diff --git "a/object_spatiotemporal.jsonl" "b/object_spatiotemporal.jsonl"
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+++ "b/object_spatiotemporal.jsonl"
@@ -0,0 +1,323 @@
+{"video_id":1,"video_type":"desktop and application interfaces","targets":[{"name":"Task navigation sidebar","description":"Left-side navigation containing Create, All tasks, Starred, and the Lists checklist. The Do Today entry moves from the bottom of the list to directly below My Tasks.","membership":"Include the sidebar surface and its navigation controls, list names, checkboxes, and Create new list control. Exclude the application header, browser chrome, and overlaid notifications.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":24,"reference_s":5.0,"evidence":"目标是应用标题栏下方的左侧导航栏，包含 Create、All tasks、Starred、Lists 复选框列表和 Create new list；Do Today 从列表底部移至 My Tasks 下方，侧栏本身持续存在。首个合格帧为 0.00 秒，末个为 23.75 秒，表面及导航结构均完整；区间覆盖整个视频，起点前和终点后没有采样帧。选择 5.00 秒作为关键帧，此时侧栏清晰，无通知遮挡，且可见调整后的列表顺序；不计入应用标题栏、浏览器界面和通知。","start_frame":0,"end_frame":576,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[52.1,190.7,209.4,1000],"positive_points":[[97,234],[132,315],[105,355],[109,480],[112,654],[165,868]],"negative_points":[[166,155],[284,474],[501,524],[361,65]],"evidence":"目标为应用左侧任务导航栏，可见 Create、All tasks、Starred 和 Lists，其中 Do Today 紧接 My Tasks。边框覆盖应用标题栏下方至图像底部的侧栏表面及全部导航控件；正点分布于导航项、列表项和下方表面，负点位于应用标题栏、浏览器栏及右侧任务卡片。"}},{"name":"My Tasks panel","description":"Initially the leftmost task column, with STARRED RECENTLY and NOT STARRED sections and a collapsed Completed (139) section. Two tasks are subsequently moved out of it.","membership":"Include the rounded panel surface, boundary, heading, controls, task contents, and completed section as its height changes. Separately identified tasks belong to this panel while displayed inside it. Exclude floating drag previews, menus, and interaction outlines.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":24,"reference_s":5.25,"evidence":"目标是标题为“My Tasks”的左侧圆角任务面板，包含 STARRED RECENTLY、NOT STARRED 和折叠的 Completed (139)。首个合格帧为0秒，最后为23.75秒；期间两项任务移出、面板高度缩短，但同一面板持续存在。区间覆盖视频首尾，两端均无更外侧采样帧。选择5.25秒作为关键帧，面板完整清晰且没有浮动拖拽预览或菜单遮挡；这些浮层及交互描边不属于目标。","start_frame":0,"end_frame":576,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[221.4,209.3,405.2,802.8],"positive_points":[[253,240],[300,369],[302,475],[304,540],[306,637],[284,780]],"negative_points":[[132,445],[500,523],[310,857],[375,155]],"evidence":"目标是左侧标题为“My Tasks”的圆角任务面板，包含 STARRED RECENTLY、NOT STARRED 和折叠的 Completed (139)。边框覆盖完整面板表面及其标题、控件和任务内容。六个正点分布于标题、不同任务及底部完成区；负点位于左侧导航、右侧 Do Today 面板、下方背景和顶部工具栏。"}},{"name":"Mini Byte info follow up task","description":"Task initially in My Tasks with a Thu, Dec 7 date chip and a Mini Byte info email chip. It is dragged into Do Today.","membership":"Include the complete task row, its completion circle, title, date and email chips, and visible row controls. Follow its compact floating representation during dragging and its row in Do Today afterward. Exclude the cursor, tooltip, drop indicator, and surrounding list surface.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":24,"reference_s":20.5,"evidence":"通过标题“Mini Byte info follow up”、Thu, Dec 7 日期和 Mini Byte info 邮件标签识别目标；它最初位于 My Tasks，随后以紧凑浮动行被拖入 Do Today，移动后的短暂刷新不改变其身份。首个合格帧为 0.00 秒，最后为 23.75 秒，视频两端均无更外侧采样帧。选择 20.50 秒作为关键帧，此时目标在 Do Today 中完整清晰，完成圆圈、标题及两个标签均可见，无遮挡。","start_frame":0,"end_frame":576,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[421.4,380.6,564.1,432.4],"positive_points":[[423.3,386.1],[452.1,390.7],[519.8,390.7],[459.4,418.5],[504.2,418.5],[540.6,418.5]],"negative_points":[[485.4,323.1],[577.1,393.5],[500,461.1],[616.1,390.7]],"evidence":"目标已移入 Do Today 列，可由标题“Mini Byte info follow up”及 Thu, Dec 7 日期、Mini Byte info 邮件标签确认。框覆盖该任务的完成圆圈、标题和两个标签；正点分布在这些内容上，负点位于上方其他任务、右侧及下方列表背景和相邻列的任务圆圈，未包含光标或周围列表表面。"}},{"name":"task while history is off task","description":"Task initially in My Tasks with Thu, Dec 7 and DoIT Training chips. Its options menu is used to move it to Do Today, where it appears above Mini Byte info follow up.","membership":"Include the full task row with its completion circle, title, metadata chips, and visible task controls wherever it is displayed. Exclude the separately presented options menu, cursor, and surrounding panel surface.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":19.75,"reference_s":5.0,"evidence":"通过标题“task while history is off”及“Thu, Dec 7”“DoIT Training”元数据标签识别目标任务行。首个合格帧为0秒，目标已在My Tasks中显示；最后合格帧为19.5秒，选项菜单遮住部分行但身份连续。19.75秒任务行开始折叠、元数据被移除，因此结束此段出现；20秒在Do Today中的显示不并入本段。视频起点之前无采样帧。选择5秒作为关键帧，任务行的完成圆圈、标题和标签清晰，且无遮挡。","start_frame":0,"end_frame":474,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[231.8,528.7,373,579.6],"positive_points":[[232.8,537.8],[256.3,537.5],[290.6,537.5],[336.5,537.5],[273.4,565.3],[346.4,565.3]],"negative_points":[[295.8,469.4],[293.8,605.6],[386.5,541.7],[453.1,537]],"evidence":"目标位于 My Tasks 栏，标题为“task while history is off”，下方带有“Thu, Dec 7”和“DoIT Training”标签。边界框紧贴该任务的完成圆圈、标题及两个元数据标签；正点分布在这些内容上，负点位于上下相邻任务及外部面板背景，未包含菜单或光标。"}},{"name":"In progress panel","description":"Task column initially between My Tasks and Waiting, containing Schedule Project ABC meeting, Zoom AI Companion, and Update workshop catalog. It shifts right when Do Today is reordered.","membership":"Include the entire rounded panel surface and boundary, heading, Add a task control, menu control, and all task rows with their dates, stars, and space chips. Exclude drag previews passing over it and interaction indicators.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":24,"reference_s":5,"evidence":"目标是标题为“In progress”的圆角任务面板，含 Schedule Project ABC meeting、Zoom AI Companion、Update workshop catalog 三行及日期、星标和空间标签。首个合格帧为0秒，最后为23.75秒；面板全程存在，Do Today 重排后向右移动，拖动预览短暂遮挡不改变其身份。区间到达视频首尾，边界外没有采样帧。选择5秒作为关键帧，此时面板完整清晰且无遮挡，便于排除邻接面板。","start_frame":0,"end_frame":576,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[600,208.3,784.9,510.2],"positive_points":[[653,240.7],[645,283.3],[691.7,323.1],[675.5,391.7],[717.7,485.2],[760.4,271.3]],"negative_points":[[562.5,370.4],[838.5,327.8],[692.7,583.3],[312.5,370.4]],"evidence":"通过“In progress”标题及其下的三个指定任务识别目标。边界框覆盖整个圆角面板，包括标题、添加任务、菜单及任务日期、星标和空间标签。正点分布在标题、控件、任务行及面板表面；负点位于左侧 Do Today、右侧 Waiting、My Tasks 面板和目标下方背景。"}},{"name":"Waiting panel","description":"Task column initially between In progress and Do Today, containing make video: how to check alt tag on image and make service pages.","membership":"Include the visible rounded panel surface, boundary, heading, controls, and both task rows with their date, star, and Drupal Q&A chip. Follow the panel as it shifts to the right edge. Exclude overlapping drag previews and drop indicators.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":4.75,"reference_s":0.5,"evidence":"通过“Waiting”标题、两条指定任务及 Drupal Q&A 标签识别该面板。首个合格帧为0.00秒；面板随后移到右侧，4.50秒仍完整可见。4.75秒开始因继续右移而被页面右侧边界裁切，因此最后合格帧为4.50秒。视频起点之前无采样帧。选择0.50秒作为关键帧，此时面板边界及两条任务清楚完整，且无拖拽预览遮挡。","start_frame":0,"end_frame":114,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[576.6,208.3,760.9,460.2],"positive_points":[[604.5,239.8],[630.3,283.9],[669.4,323.1],[636.2,372.2],[650.7,412.8],[641.6,440.5]],"negative_points":[[543.2,322.2],[800.5,286.1],[667.4,500.9],[856.8,522.2]],"evidence":"目标是位于“In progress”和“Do Today”之间、标题为“Waiting”的圆角任务面板。框覆盖完整面板表面、标题与控件，以及两条任务、日期、星标和 Drupal Q&A 标签。正点分布于标题、添加任务控件和两条任务区域；负点位于左右相邻面板及目标下方背景，未包含其他面板或拖动指示。"}},{"name":"Do Today panel","description":"Initially an empty rightmost column displaying No tasks yet. It is dragged between My Tasks and In progress and later receives two tasks.","membership":"Include the panel surface, boundary, heading, controls, empty-state contents, and subsequently its task rows. During the list drag, include its compact labeled drag representation. Exclude the cursor, insertion lines, and temporary interaction outlines.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":24,"reference_s":20.5,"evidence":"目标是标题为 Do Today 的列表面板：最初位于最右侧并显示 No tasks yet，拖动时变成同名紧凑拖拽表示，随后位于 My Tasks 与 In progress 之间，最终包含两条任务。首个合格帧为 0.00 秒，最后为 23.75 秒，整个过程中身份连续；区间已覆盖视频首尾，没有边界外的相邻采样帧。选择 20.50 秒作为关键帧，此时面板及两条任务完整清晰，无遮挡，且易与相邻列表区分。","start_frame":0,"end_frame":576,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[410.9,208.3,594.3,442.6],"positive_points":[[448.2,239.6],[461.4,284.3],[492.6,323.1],[515.8,350.4],[487.3,391.2],[577.6,419.4]],"negative_points":[[390.2,301.9],[632.3,323.1],[503.6,471.3],[505.2,191.7]],"evidence":"目标是位于“My Tasks”和“In progress”之间、标题为“Do Today”的面板，内含两条任务。边框紧贴整个面板的可见范围，涵盖表面、标题、控件及任务行。正点分布在标题、添加任务控件、两条任务及面板表面；负点位于左右相邻面板和目标上下的外部背景，未包含光标或交互辅助线。"}},{"name":"List created notification","description":"Black notification near the lower-left corner confirming creation of the initially empty list.","membership":"Include the complete notification rectangle and its List created text. Exclude the underlying sidebar and page.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0.5,"evidence":"目标是左下角黑色矩形通知，文字为“List created”，确认空列表创建成功。首个合格帧为0.00秒，最后合格帧为2.00秒；2.25秒时通知已消失。目标在视频开始时已完整显示，没有更早的采样帧。选择0.50秒作为关键帧，通知矩形和文字清晰完整、无遮挡。","start_frame":0,"end_frame":54,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[67.2,928.7,244.3,980.6],"positive_points":[[76,940],[104,955],[148,941],[224,943],[178,967],[83,969]],"negative_points":[[94,894],[274,954],[161,995],[183,835]],"evidence":"目标是左下角显示“List created”的黑色通知。边界框紧贴通知矩形，包含文字和完整底色，不含外部阴影。六个正点分布在通知文字及矩形表面，四个负点位于通知外的侧栏和页面背景。"}},{"name":"Task sorting warning","description":"Black lower-left notification shown when the Mini Byte info follow up task is picked up. It explains that tasks cannot be reordered in a list sorted by starred recently.","membership":"Include the notification surface and the full warning text, including the instruction to change the sorting. Exclude the task being dragged and the page behind it.","id":"obj_009","temporal":{"status":"found","start_s":9.75,"end_s":10.25,"reference_s":10.0,"evidence":"目标是左下角黑色通知，说明按“starred recently”排序的列表无法重排任务，并提示更改排序。首个完整帧为9.75秒，最后完整帧为10.00秒；前一帧9.50秒通知仍从底部进入，完整文字尚未显示，后一帧10.25秒已向下退出并被画面底边裁切。选择10.00秒作为关键帧，通知表面与两行警告文字完整清晰，无遮挡。","start_frame":234,"end_frame":246,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[67.2,901.9,417.2,981.5],"positive_points":[[79.2,915.7],[141.1,930.6],[317.7,930.6],[130.2,953.7],[380.2,965.7],[244.8,966.7]],"negative_points":[[182.3,851.9],[468.8,925.9],[468.8,407.4],[312.5,778.7]],"evidence":"目标是左下角黑色通知，文字说明按最近加星排序的列表无法移动任务，并提示更改排序。边界框紧贴通知表面，包含两行完整警告文字；正点分布于文字及黑色表面，负点位于通知外的页面、被拖动任务和任务列表区域。"}},{"name":"First Task moved to Do Today notification","description":"Lower-left confirmation appearing after Mini Byte info follow up is dropped into Do Today, with an Undo action.","membership":"Include the black notification rectangle, confirmation text, and Undo control. Exclude the underlying page.","id":"obj_010","temporal":{"status":"found","start_s":11.25,"end_s":15.25,"reference_s":12.0,"evidence":"目标是将“Mini Byte info follow up”拖入 Do Today 后，左下角首次出现的黑色“Task moved to Do Today”通知，包含蓝色 Undo。首个完整帧为 11.25 秒，最后完整帧为 15.00 秒；11.00 秒通知仍从底部进入、文字被裁切，15.25 秒已消失。选择 12.00 秒作为关键帧，通知边界、文字及 Undo 均完整清晰且无遮挡。","start_frame":270,"end_frame":366,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[67.2,927.8,247.4,981.5],"positive_points":[[76,941],[101,954],[164,954],[220,954],[237,970],[129,971]],"negative_points":[[58,953],[156,901],[266,954],[156,995]],"evidence":"目标是左下角显示“Task moved to Do Today”和“Undo”的黑色确认通知。边界框紧贴通知矩形，包含文字及撤销控件，不含外围阴影和底层页面。六个正点分布于通知表面、确认文字及Undo区域，四个负点位于通知四周的页面背景。"}},{"name":"Task options menu","description":"White dropdown opened from task while history is off in My Tasks. It contains Delete, Report as spam, destination lists, and New list; My Tasks is checked and Do Today is selected as the destination.","membership":"Include the dropdown surface, rounded boundary, separators, icons, and every visible menu item as the menu expands. Exclude the originating task row, the Task options tooltip, and the cursor.","id":"obj_011","temporal":{"status":"found","start_s":17.0,"end_s":19.75,"reference_s":18.5,"evidence":"目标是从 My Tasks 中“task while history is off”打开的白色圆角任务选项菜单，含 Delete、Report as spam、列表目的地及 New list。17.00 秒菜单表面和边界已建立，随后继续展开；最后符合条件的帧为 19.50 秒。前一帧 16.75 秒只有任务行及 Task options 提示，后一帧 19.75 秒菜单已关闭。选择 18.50 秒作关键帧，菜单完整清晰，My Tasks 带勾且 Do Today 高亮，便于区分菜单与任务行、提示及光标。","start_frame":408,"end_frame":474,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[259.4,485.2,378.1,869.4],"positive_points":[[301,510],[328,546],[276,597],[301,633],[315,737],[283,843]],"negative_points":[[342,654],[301,468],[240,787],[406,748]],"evidence":"目标是“My Tasks”中任务下方展开的白色选项菜单，含 Delete、Report as spam、列表目的地及 New list。框覆盖菜单的圆角表面、分隔线、图标和全部可见条目，不含外部阴影。正点分布在菜单上中下部；负点位于手形光标、来源任务行及菜单两侧外部区域。"}},{"name":"Second Task moved to Do Today notification","description":"Lower-left confirmation appearing after task while history is off is moved through its menu, again offering Undo.","membership":"Include the complete black notification surface, confirmation text, and Undo control. Exclude the page and the later instructional overlay behind it.","id":"obj_012","temporal":{"status":"found","start_s":19.75,"end_s":24.0,"reference_s":20.5,"evidence":"在通过菜单移动“task while history is off”后，左下角第二次出现完整黑色“Task moved to Do Today”通知及 Undo 控件。首个合格帧为19.75秒，前一帧19.50秒仍显示任务菜单且没有该通知；最后合格帧为23.75秒，通知仍完整可见，视频结束后无相邻帧。选择20.50秒作为关键帧，通知清晰无遮挡，且尚无后来的教学叠层。","start_frame":474,"end_frame":576,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[67.2,928.7,247.4,980.6],"positive_points":[[75,938],[88,954],[140,954],[219,955],[112,970],[237,973]],"negative_points":[[54,953],[262,953],[157,909],[159,992]],"evidence":"左下角黑色提示条显示“Task moved to Do Today”，右侧有“Undo”，符合目标确认通知。边界框紧贴完整通知表面，包含文字与撤销控件；六个正点分布在通知表面、确认文字和 Undo 上，四个负点位于通知四周的页面背景，不包含阴影。"}},{"name":"Tasks Sync instructional text","description":"Large lower-screen instructional text reading 6. Tasks Sync, followed by Changes to tasks in Tasks/spaces sync.","membership":"Include both lines of this coherent text block. Exclude its gray gradient backing, the notification below it, and the task interface behind it.","id":"obj_013","temporal":{"status":"found","start_s":22.5,"end_s":24.0,"reference_s":23.5,"evidence":"目标是画面下方的两行文字“6. Tasks Sync”和“Changes to tasks in Tasks/spaces sync”，不包含灰色渐变底板。22.25秒仍处于淡入阶段，22.5秒两行文字已完整清晰呈现；最后一个符合条件的采样帧为23.75秒，至视频结束仍然存在，边界外无后续帧。选择23.5秒作为关键帧，因为两行文字清晰且无遮挡。","start_frame":540,"end_frame":576,"reference_frame":564},"grounding":{"status":"found","bbox_xyxy":[67.2,812.0,400.5,914.8],"positive_points":[[72.9,842.6],[111.5,836.1],[191.1,821.3],[69.8,891.7],[244.8,880.6],[393.2,898.1]],"negative_points":[[468.8,865.7],[130.2,953.7],[281.3,601.9],[58.9,875.0]],"evidence":"目标位于画面下部，包含“6. Tasks Sync”和“Changes to tasks in Tasks/spaces sync”两行白色文字。边界框紧贴完整文字块；六个正点分布在两行字形笔画上，负点位于灰色渐变背景、下方通知及上方任务界面，均排除在目标之外。"}}]}
+{"video_id":2,"video_type":"desktop and application interfaces","targets":[{"name":"Seat variant state chart","description":"The initial diagram arranges eight rounded seat symbols into Economy and Business rows and Available, Hover, Selected, and Unavailable columns, under the headings STATES and CLASS.","membership":"Includes the diagram's headings, row and column labels, grouping brackets, and eight seat symbols. Excludes editor selection outlines, size badges, alignment guides, prototype connection indicators, and surrounding application chrome.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":9.75,"reference_s":0,"evidence":"目标是包含 STATES、CLASS 标题、行列标签、分组括号及八个座位符号的两行四列图表，不含编辑器选框和原型连线。首个合格帧为 0.00 秒，图表已完整呈现；视频从此开始，没有更早采样帧。最后合格帧为 9.50 秒，紧接的 9.75 秒开始淡出并叠入座位预订页面。选择 0.00 秒作为关键帧，因为图表较大、标签清晰，且没有浮动设置面板遮挡。","start_frame":0,"end_frame":234,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[54.17,354.63,608.33,742.59],"positive_points":[[393.75,357.41],[55.73,631.48],[598.96,405.56],[270.83,712.96],[455.21,551.85],[555.73,689.81]],"negative_points":[[546.88,624.07],[416.67,785.19],[789.58,266.67],[653.13,664.81]],"evidence":"已识别出由两行四列座椅组成的状态图。边界框覆盖 STATES、CLASS、行列标签、分组括号和八个座椅，不含编辑器选择框等叠加标记。正点分布在标题字形、分组括号和不同座椅实体上；负点位于尺寸徽标、底部选择虚线、右侧应用面板及图外空白。"}},{"name":"Unavailable Economy variant","description":"The small pale lavender seat in the chart's upper-right position, initially selected in the editor.","membership":"Includes the rounded seat shape and its filled interior. Excludes selection handles, measurement labels, guides, and the nearby column heading.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":9.75,"reference_s":1.75,"evidence":"目标是状态图表中 Economy 行、Unavailable 列的浅紫色圆角座椅，起初带有编辑器选框；选框及辅助标记不属于目标。首个合格帧为 0.00 秒，最后为 9.50 秒；9.75 秒开始与机舱选座页面交叉淡化，因此结束于该时刻。起点已是视频开头，没有更早帧。选择 1.75 秒作为关键帧，此时座椅完整清晰、无遮挡，且自身选框已消失。","start_frame":0,"end_frame":234,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[535.9,534.3,564.6,607.4],"positive_points":[[542,544],[557,546],[541,568],[558,576],[545,595],[557,599]],"negative_points":[[552,690],[457,570],[583,571],[550,509]],"evidence":"目标位于图表上排 Economy 与 Unavailable 列的交叉处，是浅薰衣草色圆角座位。边界框仅覆盖座位轮廓及填充内部；六个正点分布在填充区域，四个负点位于下排座位、左侧粉色座位及目标上方和右侧的外部空白。"}},{"name":"Available Business variant","description":"The mint-green rounded seat at the lower-left of the chart, used as the source of the demonstrated hover interaction.","membership":"Includes the complete rounded seat and its gradient fill. Excludes editor handles, dimensions, and connecting arrows.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":9.75,"reference_s":1,"evidence":"目标是图表中 Business 行、Available 列的左下角薄荷绿渐变圆角座椅，随后作为悬停交互连线的起点。首个合格帧为 0.00 秒，最后为 9.50 秒；9.75 秒开始与飞机选座页面交叉淡化，因此排除。视频起点之前没有采样帧。选择 1.00 秒作为关键帧，座椅完整清晰，无选择手柄或连线遮挡。","start_frame":0,"end_frame":234,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[252.6,650.9,290.6,741.7],"positive_points":[[259.9,663.0],[282.3,665.7],[258.9,693.5],[283.9,704.6],[265.1,729.6],[277.6,722.2]],"negative_points":[[265.6,572.2],[365.6,693.5],[241.7,697.2],[308.3,717.6]],"evidence":"目标是图表左下角、Available列与Business行交叉处的薄荷绿色圆角座位。边界框紧贴完整座位及其渐变填充；六个正点分布于座位内部各部位，四个负点分别位于上方紫色座位、右侧深绿色座位及目标左右的外部空白，不包含编辑器标记。"}},{"name":"Hover Business variant","description":"The darker green seat in the Business row's second column, connected from the available variant and then to the selected variant.","membership":"Includes the rounded green seat surface. Excludes prototype links, selection indicators, and surrounding labels.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":9.75,"reference_s":3.75,"evidence":"目标是 Business 行第二列的深绿色圆角座椅，位于浅绿色 Available 与粉色 Selected 座椅之间，原型连线进一步确认其身份。首个合格帧为 0.00 ��，视频起点之前没有采样帧；最后合格帧为 9.50 秒。紧邻的 9.75 秒帧已开始淡出并叠化到机舱选座页面，因此不纳入。选择 3.75 秒作关键帧，座椅表面完整清晰，左右连接关系明确，标注时排除连线及选择框。","start_frame":0,"end_frame":234,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[347.9,650.9,386.0,741.7],"positive_points":[[355.7,664.8],[377.1,667.6],[359.9,690.7],[376.6,715.7],[354.7,725.0],[368.8,727.8]],"negative_points":[[270.3,696.3],[463.5,694.4],[413.5,696.3],[366.1,759.3]],"evidence":"目标是 Business 行、Hover 列的深绿色圆角座椅，左右分别连接可用和已选变体。边界框紧贴绿色座椅表面，不包含选择框、控制点、连线及尺寸标签。六个正点分布在绿色表面各处；负点位于左侧浅绿色座椅、右侧粉色座椅、右侧连接线和下方尺寸标签。"}},{"name":"Selected Business variant","description":"The pink seat with a white check mark in the Business row's third column, used to configure the return to the available state.","membership":"Includes the pink rounded shape and its internal check mark. Excludes editor handles, guides, dimension badges, and connection arrows.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":9.75,"reference_s":0,"evidence":"目标是组件状态表中 Business 行第三列的粉色圆角座椅及内部白色勾号，不包括编辑器辅助线或箭头。首个合格帧为 0.00 秒，最后为 9.50 秒；9.75 秒开始画面淡出并叠入座位选择页面，因此结束该次出现。目标在视频开头已完整显示，无更早采样帧。选择 0.00 秒作为关键帧，目标完整清晰，没有选框或连线遮挡。","start_frame":0,"end_frame":234,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[443.75,650.93,481.77,741.67],"positive_points":[[449.48,665.74],[475,663.89],[451.04,725],[475,725],[459.9,700.93],[468.23,690.74]],"negative_points":[[457.81,569.44],[366.67,694.44],[554.69,694.44],[493.75,695.37]],"evidence":"目标位于 Business 行、Selected 列，是带白色勾号的粉色座椅。边界框紧贴粉色圆角形状，包含内部勾号；六个正点分布于粉色填充和勾号上，四个负点位于上方粉色座椅、左侧绿色座椅、右侧浅紫色座椅及目标右侧空白处。"}},{"name":"Prototype properties sidebar","description":"The right-hand Figma panel with the Prototype tab active, showing interaction controls, scrolling settings, prototype options, and instructional sections before the preview opens.","membership":"Includes the sidebar's surface, dividers, tabs, controls, and displayed contents as they update. Excludes the top toolbar, canvas, and floating interaction dialogs.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":13.75,"reference_s":12.5,"evidence":"目标是 Figma 窗口最右侧、Prototype 标签激活的属性侧栏，包含白色面板、分隔线、交互及滚动设置和操作说明，不包括浮动交互对话框。首个合格帧为 0.00 秒，视频起点之前无 sampled 帧；侧栏随内容更新持续存在，最后合格帧为 13.50 秒。紧邻的 13.75 秒已切换为原型预览，侧栏消失。选择 12.50 秒作为关键帧，此时侧栏完整清晰且无遮挡。","start_frame":0,"end_frame":330,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[802.1,115.7,926,924.1],"positive_points":[[851.6,134.3],[839.6,296.3],[862.5,342.6],[855.2,424.1],[858.9,533.3],[863.5,733.3]],"negative_points":[[788.5,625],[729.2,481.5],[859.4,92.6],[145.8,444.4]],"evidence":"目标是右侧 Prototype 标签激活的 Figma 属性栏。边界框覆盖顶部标签、交互与滚动设置、原型选项、说明区及下方侧栏表面，不包含顶部工具栏和画布。正点分布于标签、设置控件、说明内容及面板空白表面；负点位于画布、设计稿、顶部工具栏和左侧图层栏。"}},{"name":"Available-to-hover interaction dialog","description":"The first floating interaction editor, beside the chart, with the trigger menu open and While hovering highlighted while the available Business seat connects to Hover.","membership":"Includes the floating dialog surface, boundary, controls, and its open trigger dropdown. Excludes the properties sidebar and canvas connection line.","id":"obj_007","temporal":{"status":"found","start_s":2.75,"end_s":3.0,"reference_s":2.75,"evidence":"2.75 秒时，Business 行的 Available 席位连接到 Hover，旁边首个浮动交互编辑器及触发器下拉菜单完整显示，菜单中 While hovering 高亮，符合包含展开菜单的指定组合。首末 qualifying 帧均为 2.75 秒；前一帧 2.50 秒仅显示对话框，菜单尚未展开，后一帧 3.00 秒菜单已收起。选 2.75 秒为关键帧，目标边界及菜单内容清楚可见。","start_frame":66,"end_frame":72,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[580.7,228.7,742.7,606.5],"positive_points":[[615.6,256.5],[633.3,356.5],[624.5,510.2],[703.1,300.9],[710.4,412.0],[708.3,536.1]],"negative_points":[[790.6,338.0],[546.9,388.9],[317.7,696.3],[366.7,694.4]],"evidence":"目标是图表右侧的浮动交互编辑器，其触发菜单已展开，While hovering 行高亮。边界框覆盖白色对话框及向下延伸的深色下拉菜单；正点分布在对话框表面和菜单各段，负点位于右侧属性栏、外部画布、座位连接线及 Hover 座位，均不属于目标。"}},{"name":"Hover-to-selected interaction dialog","description":"The next floating interaction editor, shown after the previous dialog disappears, with On click checked while the Business hover seat connects to the selected seat.","membership":"Includes this dialog's surface, boundary, contents, and open trigger menu. Excludes the sidebar and prototype connection indicators on the chart.","id":"obj_008","temporal":{"status":"found","start_s":3.75,"end_s":4.5,"reference_s":4.0,"evidence":"目标是 Business 行 Hover 座位连接到 Selected 座位时出现的浮动交互编辑器，内容显示 On click、Change to、State: Selected 和 Class: Business。首个合格帧为 3.75 秒，最后为 4.25 秒；此前 3.5 秒仅显示拖拽连接，尚无该弹窗，此后 4.5 秒弹窗已消失。选择 4.0 秒作为关键帧，因为弹窗及其展开的触发菜单清晰可见，On click 带勾选标记。","start_frame":90,"end_frame":108,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[580.7,228.7,742.7,606.5],"positive_points":[[629.2,301.9],[627.1,581.5],[626.0,382.4],[703.1,258.3],[707.3,401.9],[697.9,525.9]],"negative_points":[[800.0,393.5],[366.7,693.5],[416.7,696.3],[697.9,629.6]],"evidence":"目标是图中悬浮的交互编辑器，其展开的触发菜单勾选了“On click”，下方 Business 的 Hover 座位连向 Selected 座位。边界框覆盖白色对话框及向下延伸的黑色菜单；正点分布在菜单和对话框表面、内容上，负点位于右侧栏、图表座位、连接指示线及浮层外背景。"}},{"name":"Selected-to-available interaction dialog","description":"The subsequent Interaction details dialog shows On click, Change to, State: Available, Class: Business, and Instant animation.","membership":"Includes the complete floating dialog, its white surface, border, labels, and controls. Excludes the chart, sidebar, and connection arrows.","id":"obj_009","temporal":{"status":"found","start_s":5.0,"end_s":6.25,"reference_s":6.0,"evidence":"目标为浮动的 Interaction details 对话框，显示 On click、Change to、State: Available、Class: Business 和 Instant。首个完整帧为 5.00 秒，最后 qualifying 帧为 6.00 秒；4.75 秒仅见连接箭头、尚无该对话框，6.25 秒对话框已关闭。5.50 秒下拉菜单短暂遮挡属于同一持续出现。选择 6.00 秒作为关键帧，因为完整白色面板、边框和控件清楚可见且无遮挡。","start_frame":120,"end_frame":150,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[580.7,228.7,743.2,563.0],"positive_points":[[625.0,251.9],[625.5,301.9],[668.2,375.0],[647.9,412.0],[613.0,464.8],[664.1,538.9]],"negative_points":[[796.9,393.5],[546.9,574.1],[552.1,268.5],[666.7,196.3]],"evidence":"目标是右侧浮动的“Interaction details”对话框，显示 On click、Change to、State: Available、Class: Business 和 Instant。边界框紧贴完整白色面板及边框；六个正点分布于标题、控件和面板上下区域，四个负点位于框外画布、图表及右侧栏，排除连接箭头等其他内容。"}},{"name":"Airplane seat map","description":"The Tripma seat-selection design's left-hand airplane diagram, first seen on the editor canvas and then in preview. It contains green Business seats, purple Economy seats, pale unavailable seats, row numbers, and Exit row labels; scrolling reveals the wings and lower rows.","membership":"Includes the airplane silhouette and its enclosed cabin, seating blocks, individual seats, aisle numbers, and exit-row information. Follows the airplane's visible outline, including wing contours. Excludes the Tripma logo, menu icon, surrounding page surface, cursor, and editor selection overlays.","id":"obj_010","temporal":{"status":"found","start_s":10.25,"end_s":33.0,"reference_s":16.25,"evidence":"目标是 Tripma 页面左侧的飞机轮廓及舱内座位图，包含绿色商务舱座位、紫色经济舱座位、浅色不可用座位、排号和 Exit row 标识。10.00 秒仍处于场景淡入叠化，10.25 秒首次完整建立；随后从编辑器画布延续至预览，滚动只改变可见区域，属于设计性的裁切。最后合格帧为32.75秒，视频在33.0秒结束，之后无采样帧。选择16.25秒作为关键帧，机翼轮廓、两类座位及出口排信息清晰可辨。","start_frame":246,"end_frame":792,"reference_frame":390},"grounding":{"status":"found","bbox_xyxy":[119.3,74.1,504.2,925.9],"positive_points":[[264.6,161.1],[336.5,511.1],[277.1,397.2],[304.7,680.6],[202.1,863.9],[449,876.9]],"negative_points":[[184,116],[429.5,265.5],[76,502],[782,265]],"evidence":"目标是左���包含绿色商务座、紫色经济座、排号和 Exit row 标记的飞机座位图。边界框覆盖画面中可见的机身、客舱及两侧机翼，顶部和底部按可见截断处收紧。正点分布于座椅、出口排文字、排号及左右机翼；负点位于 Tripma 标志、光标、外部背景和右侧独立座椅插图。"}},{"name":"Flight itinerary header","description":"The segmented header above the class comparison shows SFO to NRT, California, US and Tokyo, Japan, plus Feb 25 | 7:00AM Departing and Mar 21 | 12:15PM Arriving.","membership":"Includes the complete dark and purple segmented header, its text, route arrow, and the active segment's small lower notch. Excludes the class illustrations below and editor outlines.","id":"obj_011","temporal":{"status":"found","start_s":10.25,"end_s":33.0,"reference_s":14.0,"evidence":"目标为舱位对比上方的深色及紫色分段行程栏，包含 SFO→NRT、两地名称、出发与到达时间及紫色段下方的小缺口。10.25 秒首次完整清晰呈现；前一帧 10.00 秒仍在淡入叠化。此后从编辑器切换到原型展示时持续可见，最后合格帧为 32.75 秒，视频结束后无相邻帧。选择 14.00 秒作关键帧，行程栏较大、边界完整，且无编辑器轮廓遮扰。","start_frame":246,"end_frame":792,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[504.2,74.1,881.3,152.8],"positive_points":[[529.7,104.6],[581.8,111.1],[623.4,126.9],[686.5,99.1],[729.7,131.5],[824.0,114.8]],"negative_points":[[466.7,111.1],[702.1,175.9],[592.7,240.7],[781.3,258.3]],"evidence":"通过 SFO→NRT 航线、出发和抵达日期识别顶部行程栏。框覆盖完整深色与紫色分段、文字、箭头及活动分段下缘的小缺口，不含外侧黑色边框。正点分布于各分段文字和底色；负点位于左侧及下方白色背景、下方两组座椅插图。"}},{"name":"Economy seat illustration","description":"Three adjoining purple and blue airplane seats above the Economy information in the right half of the Tripma design.","membership":"Includes the complete illustrated seats, backs, cushions, armrests, and bases. Excludes the Economy heading, Selected badge, explanatory text, and white page background.","id":"obj_012","temporal":{"status":"found","start_s":10.25,"end_s":33.0,"reference_s":14.0,"evidence":"目标是 Tripma 页面右半部、Economy 标题上方的三联紫蓝色飞机座椅，包含椅背、坐垫、扶手和底座。10.25 秒首次完整清晰呈现；前一帧 10.00 秒仍处于画面交叉淡入中。此后从编辑器切换到原型预览，仍持续显示同一座椅插图，最后合格帧为 32.75 秒，区间延伸至视频结尾 33.00 秒，无后续帧。选择 14.00 秒作为关键帧，插图较大、结构完整且无遮挡。","start_frame":246,"end_frame":792,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[520.8,203.7,687.5,349.1],"positive_points":[[587.0,231.5],[627.1,243.5],[665.6,235.2],[541.7,338.9],[614.6,299.1],[661.5,343.5]],"negative_points":[[781.3,250.0],[552.1,388.0],[619.8,175.9],[701.0,284.3]],"evidence":"目标是右半页 Economy 标题上方的三联紫蓝色座椅。边界框紧贴完整插画，涵盖椅背、坐垫、扶手和底座。六个正点分布于三个椅背及扶手、底座；负点位于商务舱座椅、Economy 标题和插画外的白色背景，排除这些非目标内容。"}},{"name":"Economy class information","description":"The text block beneath the purple seat illustration, headed Economy with a Selected badge and a three-item amenities list.","membership":"Includes the heading, Selected badge, descriptive paragraph, short divider, and amenities list with purple bullets. Excludes the seat illustration and surrounding panel surface.","id":"obj_013","temporal":{"status":"found","start_s":10.25,"end_s":33.0,"reference_s":14.0,"evidence":"目标是紫色座椅插图下方的信息文字组，包含 Economy 标题、Selected 徽章、说明段落、短分隔线及三项紫色圆点设施列表，不包含座椅插图。10.25 秒首次完整清晰呈现；前一帧 10.00 秒仍在交叉淡入，叠有状态示意图。此文字组随后从编辑器视图延续到原型演示，至最后一帧 32.75 秒仍完整可见，因此结束时间为 33.00 秒，视频末尾没有后续帧。选择 14.00 秒作为关键帧，文字组较大、无遮挡，且与相邻商务舱信息容易区分。","start_frame":246,"end_frame":792,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[530.7,376.9,675.5,598.1],"positive_points":[[532.3,387.0],[598.4,388.9],[614.1,441.7],[603.1,513.0],[539.6,551.9],[553.1,590.7]],"negative_points":[[593.8,258.3],[755.2,388.0],[572.9,645.4],[492.2,498.1]],"evidence":"目标位于紫色座椅插图下方，由 Economy 标题和 Selected 徽章识别。框覆盖标题、徽章、说明段落、短分隔线及三项紫色圆点设施列表，不含座椅和面板底色。正点分布在标题、徽章、段落及三项列表内容上；负点位于座椅插图、右侧商务舱标��及外围空白。"}},{"name":"Business class seat illustration","description":"Two adjoining mint and blue airplane seats above the Business class information on the far right of the Tripma design.","membership":"Includes both complete illustrated seats, including backs, cushions, armrests, and bases. Excludes the Business class text and surrounding white surface.","id":"obj_014","temporal":{"status":"found","start_s":10.25,"end_s":33.0,"reference_s":14.0,"evidence":"目标是 Tripma 设计最右侧、Business class 文字上方相邻的两张薄荷绿与蓝色飞机座椅，包括椅背、坐垫、扶手和底座。10.25 秒首次完整呈现；前一帧 10.00 秒仍在场景淡入叠化中。此后从编辑器切换到同一设计的预览，目标持续可见，最后 qualifying 帧为 32.75 秒；区间到达视频末尾，无后续帧。选择 14.00 秒作为关键帧，因为两张座椅较大、轮廓完整且无遮挡。","start_frame":246,"end_frame":792,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[715.1,203.7,857.8,350.0],"positive_points":[[781.3,240.7],[832.3,245.4],[802.1,243.5],[834.9,299.1],[730.7,338.9],[814.6,338.9]],"negative_points":[[744.8,388.0],[867.2,279.6],[635.4,265.7],[750.0,185.2]],"evidence":"目标是右侧 Business class 标题上方的两张薄荷绿和蓝色座椅。边界框紧贴两张座椅的完整插画，涵盖靠背、坐垫、扶手和底座。正点分布于两张座椅的靠背、蓝色侧边、扶手及底座；负点位于下方标题、周围白色背景和左侧经济舱座椅上。"}},{"name":"Business class information","description":"The block beneath the mint seat illustration, headed Business class, with descriptive text and six checked benefits including Extended leg room and Priority boarding.","membership":"Includes the heading, paragraph, short divider, and benefit list with mint check marks. Excludes the seat illustration and surrounding panel surface.","id":"obj_015","temporal":{"status":"found","start_s":10.25,"end_s":33.0,"reference_s":14.0,"evidence":"目标为薄荷绿色座椅插图下方的 Business class 信息块，包含标题、说明文字、短分隔线及六项绿色勾选权益（如 Extended leg room、Priority boarding），不含座椅插图。10.25秒首次完整清晰呈现；前一帧10.00秒仍在淡入叠化。该信息块从编辑器进入原型预览后持续存在，最后合格帧为32.75秒，区间延伸至视频结束33.00秒，无后续帧。选择14.00秒作为关键帧，文字块较大、完整且无遮挡。","start_frame":246,"end_frame":792,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[712.5,379.6,852.1,727.8],"positive_points":[[714.6,386.1],[714.6,422.2],[721.4,485.2],[722.9,513.0],[735.9,589.8],[744.3,720.4]],"negative_points":[[781.3,263.9],[546.9,388.0],[867.2,574.1],[755.2,775.0]],"evidence":"目标位于薄荷色座椅插图下方，以“Business class”为标题。边界框覆盖标题、说明段落、短分隔线及六项带薄荷色勾号的权益，排除座椅插图和面板底色。正点分布在标题、正文、分隔线、勾号及列表文字上；负点位于座椅插图、左侧 Economy 标题和目标外的空白面板。"}},{"name":"Passenger and seat-selection footer","description":"The bottom strip of the right-hand Tripma panel displays Passenger 1, Sofia Knowles, Seat number, and the Save and close and Next flight controls.","membership":"Includes the footer's tinted surface, top divider, passenger and seat fields, and both buttons. Excludes the comparison content above and editor selection indicators.","id":"obj_016","temporal":{"status":"found","start_s":10.25,"end_s":33.0,"reference_s":14.0,"evidence":"目标是 Tripma 右侧面板底部的浅色横条，含顶部分隔线、Passenger 1、Sofia Knowles、Seat number 及 Save and close、Next flight 两个按钮。10.25 秒首次完整呈现；前一帧 10.0 秒仍处于页面淡入叠化中。随后从编辑器切换到同一页面的预览，页脚持续可见，最后合格帧为 32.75 秒，视频结束后无相邻帧。选择 14.0 秒作为关键帧，此时页脚较大、清晰完整且无遮挡。","start_frame":246,"end_frame":792,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[504.2,834.3,881.3,925.9],"positive_points":[[545,891],[639,867],[762,881],[842,879],[682,913],[517,845]],"negative_points":[[619,763],[808,776],[459,880],[910,882]],"evidence":"目标是右侧面板底部带浅色底纹的乘客与选座页脚。边界框覆盖顶部分隔线、Passenger 1／Sofia Knowles、Seat number 字段及两个按钮。正点分布于字段、按钮和页脚底色；负点位于上方舱位比较区、左侧区域及面板外背景。"}},{"name":"Row 5 right-aisle Business seat","description":"The Business seat immediately right of the aisle number 5 in the preview. It changes from mint to dark green on hover, then pink with a white check mark, and returns to mint.","membership":"Includes this individual rounded seat surface and its check mark when present. Excludes the adjacent right window seat, row number, cabin backing, and cursor.","id":"obj_017","temporal":{"status":"found","start_s":10.25,"end_s":33.0,"reference_s":29.0,"evidence":"目标是商务舱第5排、数字5右侧紧邻过道的圆角座位，不包括更右侧的靠窗座位。10.25秒首次完整呈现，随后从编辑器切换到预览时仍可追踪同一座位；它经历薄荷绿、悬停深绿、带白勾的粉红色，再恢复薄荷绿。此前10.00秒仍处于画面淡入叠化中；最后合格帧为32.75秒，视频结束后无相邻帧。选择29.00秒作为关键帧，粉红底及白色勾使其与相邻座位容易区分。","start_frame":246,"end_frame":792,"reference_frame":696},"grounding":{"status":"found","bbox_xyxy":[317.7,314.8,333.9,353.0],"positive_points":[[320.3,320.4],[329.7,320.4],[320.3,345.4],[325.5,335.2],[324.5,324.1],[326.6,347.2]],"negative_points":[[346.4,333.3],[305.2,333.3],[311.5,305.6],[332.3,344.4]],"evidence":"目标是左侧座位预览中数字5右边紧邻过道的粉色商务座，带白色勾号。边界框紧贴该圆角座位表面；正点分布在粉色表面及勾号上，负点位于相邻右侧薄荷色座位、行号5、舱内背景和鼠标指针上。"}},{"name":"Row 6 middle-right Economy seat","description":"The purple seat in row 6's right-hand group, between the pale aisle-side and window-side seats. It darkens under the pointer at the end of the demonstration.","membership":"Includes only this seat's rounded shape and fill throughout its hover change. Excludes neighboring seats, the row number, exit-row label, and cursor.","id":"obj_018","temporal":{"status":"found","start_s":15.5,"end_s":33.0,"reference_s":32.75,"evidence":"目标是第6排右侧三座中间的紫色圆角座位，左右均为浅色座位；末尾指针悬停时填充变深。本次连续出现始于15.50秒，座位随座位图滚动已完整显示；紧邻的15.25秒仍在面板下边界之外。最后合格帧为32.75秒，目标持续存在至视频结束，之后没有采样帧。选择32.75秒作为关键帧，座位轮廓清晰，悬停深色便于区别于两侧座位。","start_frame":372,"end_frame":792,"reference_frame":786},"grounding":{"status":"found","bbox_xyxy":[330.21,412.04,342.71,443.52],"positive_points":[[333.33,416.67],[338.54,417.59],[332.81,425.93],[339.58,427.78],[333.33,437.96],[338.02,437.96]],"negative_points":[[321.88,427.78],[351.04,427.78],[305.21,427.78],[341.67,448.15]],"evidence":"目标是第6排右侧三座中间、指针旁变深紫色的座位。边界框紧贴该座位的圆角形状与填充，不包含光标。六个正点分布在座位内部的上、中、下部；负点位于左右相邻浅色座位、排号及下方光标处。"}}]}
+{"video_id":3,"video_type":"desktop and application interfaces","targets":[{"name":"Product variables panel","description":"Dark floating panel titled “Product variables,” initially over the upper-right portion of the cart design. Its table contains product-cart-total, product-name, product-base-price, and product-total-price. The demonstration expands the table to four named modes and resizes the panel.","membership":"Includes the panel surface, boundary, collection sidebar, title bar, variable table, controls, and scrollbars. Separately listed mode headers and the add-mode control remain part of this panel. Excludes the underlying design canvas, cursor, and external drop shadow.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":21,"reference_s":19,"evidence":"通过“Product variables”标题、左侧集合栏及四个指定变量行识别该深色浮动面板。首个合格帧为0秒，面板结构已完整建立；最后合格帧为20.75秒。21秒面板向左扩展后左侧边界及部分标题、侧栏被画面裁切，因此结束此段。视频起点之前没有 sampled 帧。选择19秒作为关键帧，此时面板边界完整，四个模式列已出现，便于标注整体范围。","start_frame":0,"end_frame":504,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[84.96,129.34,998.54,715.28],"positive_points":[[145,157],[160,470],[318,329],[753,443],[921,551],[566,647]],"negative_points":[[68,474],[540,846],[624,75],[348,855]],"evidence":"通过“Product variables”标题及包含四个产品变量的表格识别该浮动面板。边界框紧贴面板可见外边界，涵盖标题栏、左侧集合栏、变量表、控件和滚动条，不含外部阴影。正点分布于标题、侧栏、表格、面板空白表面及滚动条；负点位于面板外的顶部应用栏和下层设计画布。"}},{"name":"My Cart mobile screen","description":"White mobile shopping-cart design behind the variables panel, initially identified by “Screen_03_My Cart” above it and “My Cart” inside it. As the view zooms out, shoe and handbag product cards, quantity controls, a total, and a black “CHECK OUT” button become visible.","membership":"Includes the mobile screen boundary and all design content inside it, including its header, product cards, images, text, quantity controls, delete icons, and checkout section. Excludes the external frame-name label, surrounding canvas, selection outlines, and overlying variables panel.","id":"obj_002","temporal":{"status":"found","start_s":23.5,"end_s":28.0,"reference_s":24.0,"evidence":"通过早期的“Screen_03_My Cart”标签及“My Cart”标题，追踪到变量面板后方同一白色手机购物车页面，内含商品卡片、数量控件、总额及黑色“CHECK OUT”按钮。23.25秒页面底部仍被画面边缘裁切；23.5秒缩放后页面边界完整进入画面，上部仅被变量面板遮挡，为首个合格帧。最后合格帧为27.75秒，至28秒视频结束仍持续存在，之后无采样帧。选择24秒作为关键帧，页面边界和下部购物车内容清晰、稳定。","start_frame":564,"end_frame":672,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[587.9,363.7,794,880.2],"positive_points":[[632,425],[714,459],[631,562],[631,692],[750,776],[692,835]],"negative_points":[[689,284],[829,583],[571,595],[454,835]],"evidence":"目标是右侧被变量面板遮住顶部的白色购物车手机页面，可见商品卡片、数量控件、总计和黑色“CHECK OUT”按钮。边界框仅覆盖面板下方实际可见的页面区域；正点分布于鞋包图片、数量控件及结算区，负点位于上覆变量面板、周围画布和左侧独立组件，排除这些非目标内容。"}},{"name":"Components design board","description":"White design board to the left of the cart, labeled “Components” when the view zooms out. It presents colorful shoe images, pink handbag images, black and gray “CHECK OUT” button variants, a quantity picker, and a sample product card.","membership":"Includes the board surface and its enclosed component examples. Excludes the external “Components” label, surrounding gray canvas, editor layer list, selection indicators, and the variables panel covering it.","id":"obj_003","temporal":{"status":"found","start_s":23.5,"end_s":28.0,"reference_s":24.0,"evidence":"目标是购物车左侧的白色 Components 设计板，内含彩色鞋图、粉色手袋、黑灰 CHECK OUT 按钮、数量选择器和示例商品卡。23.5 秒首次完整呈现板面边界，部分区域被变量面板遮挡；前一帧 23.25 秒板面下部仍被画面边缘裁切。最后 qualifying 帧为 27.75 秒，目标持续存在至视频结束，之后没有采样帧。选择 24.0 秒作为关键帧，板面轮廓清楚，组件示例易于辨认。","start_frame":564,"end_frame":672,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[206.5,86.8,566.0,970.5],"positive_points":[[278.3,221.4],[278.8,407.1],[344.2,591.1],[346.2,658.9],[367.7,833.3],[525.4,493.9]],"negative_points":[[498.0,234.4],[175.8,434.0],[627.0,566.8],[53.7,532.1]],"evidence":"目标是购物车左侧的白色 Components 设计板，包含鞋包图片、黑灰 CHECK OUT 按钮及底部商品卡示例。边界框覆盖该白板的可见整体范围；正点分布在组件示例和白板表面，负点位于遮挡白板的变量面板、外围灰色画布、右侧购物车及左侧图层列表。外部标题、选择标记和遮挡面板不属于目标。"}},{"name":"Add variable mode control","description":"Small plus control at the right end of the variables table header. It is hovered and used to append mode columns, moving rightward as columns are added.","membership":"Includes the plus icon and its compact header control area. Excludes neighboring mode headers, the tooltip, cursor, and transient hover emphasis.","id":"obj_004","temporal":{"status":"found","start_s":9.75,"end_s":16.5,"reference_s":15.5,"evidence":"目标是变量表头最右侧用于新增模式列的“+”及其紧凑控件区域。9.75秒调整面板宽度后，该控件完整可见；此前9.50秒它位于画面右边界之外。新增列期间控件向右移动，至16.25秒仍完整显示，16.50秒新增模式列后移出可见范围。选择15.50秒作为关键帧：加号位于type-3右侧，结构清晰，无提示框或光标遮挡。","start_frame":234,"end_frame":396,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[869.1,186.6,900.9,243.1],"positive_points":[[884.8,207.5],[881.3,214.8],[884.8,220.5],[875.5,198.8],[894,201.4],[892.6,230.9]],"negative_points":[[739.3,214.4],[884.8,271.7],[941.4,214.4],[773.9,263]],"evidence":"目标是变量表头中 type-3 右侧的加号，用于添加模式列。框覆盖加号及其紧凑方形表头控件区域；正点分布在加号和控件表面，负点位于相邻模式标题、下方调节图标、右侧背景及鼠标光标处。"}},{"name":"First variable mode header","description":"Original value-column header in the Product variables table. It initially reads “Value,” becomes “Mode 1” after another mode is added, and is edited to “type-1.”","membership":"Includes only the first mode’s header cell and its displayed or editable name. Excludes the variable values below, adjacent headers, cursor, and transient editing or selection outlines.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":4.75,"reference_s":2.0,"evidence":"目标是 Product variables 表格中 Name 右侧、最初标为“Value”的第一个模式表头单元格，不包括下方数值或右侧加号。首次合格帧为 0.00 秒，最后为 4.50 秒；4.75 秒新增模式出现并引起横向滚动，原表头单元格开始被裁切，因此结束本段。视频起点之前没有采样帧。选择 2.00 秒作为关键帧，此时表头完整清晰，且无编辑轮廓遮挡。","start_frame":0,"end_frame":114,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[809.6,186.6,966.3,243.1],"positive_points":[[825,214],[844,215],[866,202],[899,228],[931,211],[954,230]],"negative_points":[[713,215],[823,272],[983,212],[877,157]],"evidence":"目标是 Product variables 表格中显示“Value”的第一模式表头。边界框仅覆盖该表头单元格及名称；正点分布于文字和单元格表面，负点位于左侧 Name 表头、下方变量值、右侧加号控件和上方栏，均不属于目标。"}},{"name":"Second variable mode header","description":"New header appended after the original value column. Its initial name “Mode 2” is selected and replaced with “type-2.”","membership":"Includes only the second mode’s header cell and its displayed or editable name. Excludes the column values below, adjacent headers, cursor, and transient editing or selection outlines.","id":"obj_006","temporal":{"status":"found","start_s":5.0,"end_s":28.0,"reference_s":15.5,"evidence":"目标是原 Value 列之后新增的第二模式表头，起初显示被选中的“Mode 2”，随后改名为“type-2”。5.00 秒表头单元格及名称已完整建立；此前 4.75 秒仍处于淡入显现阶段。此后同一表头持续存在，最后合格帧为 27.75 秒，视频在 28.00 秒结束，无后续帧。选择 15.50 秒作为关键帧，此时“type-2”表头完整清晰，与相邻 type-1、type-3 易于区分，且无名称编辑框遮扰。","start_frame":120,"end_frame":672,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[555.2,186.6,712,243.1],"positive_points":[[572,215],[592,217],[624,201],[685,202],[654,229],[700,230]],"negative_points":[[483,215],[758,215],[613,274],[637,157]],"evidence":"目标是位于“type-1”与“type-3”之间、显示“type-2”的第二模式表头单元格。边界框仅覆盖该表头的表面和名称，不含下方数值。正点分布在名称及单元格表面；负点位于相邻表头、下方数据单元格和上方工具栏。"}},{"name":"Third variable mode header","description":"Header added to the right of “type-2” and named “type-3,” continuing the same variables table.","membership":"Includes only the third mode’s header cell and its displayed or editable name. Excludes the column values below, adjacent headers, cursor, and transient editing or selection outlines.","id":"obj_007","temporal":{"status":"found","start_s":14.5,"end_s":28.0,"reference_s":15.5,"evidence":"目标是变量表中紧邻“type-2”右侧、新增并命名为“type-3”的第三模式表头，仅包含表头单元格及名称。14.25秒仍是新增列的过渡显现；14.5秒表头边界和表面已建立，随后名称编辑不影响其连续存在。最后 qualifying 帧为27.75秒，目标仍可见，视频于28秒结束，无后续帧。选择15.5秒作为关键帧，此时“type-3”清晰完整，且无编辑框干扰。","start_frame":348,"end_frame":672,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[712,187,869,243],"positive_points":[[729,214],[766,198],[807,205],[850,217],[787,231],[735,230]],"negative_points":[[625,215],[885,215],[750,273],[825,329]],"evidence":"目标是变量表中位于“type-2”右侧、标有“type-3”的第三模式表头。边界框仅覆盖该表头单元格及名称；正点分布于名称和单元格表面，负点位于相邻表头、右侧加号区域及下方数值单元格。"}},{"name":"Fourth variable mode header","description":"Final mode header added to the right of “type-3” and edited to “type-4.” It initially appears near the panel’s right edge before the panel is widened and the view zooms out.","membership":"Includes only the fourth mode’s header cell and its displayed or editable name. Excludes the column values below, adjacent headers, cursor, and transient editing or selection outlines.","id":"obj_008","temporal":{"status":"found","start_s":16.5,"end_s":28.0,"reference_s":22.0,"evidence":"目标是“type-3”右侧新增的第四模式表头，最初显示可编辑的“Mode”，随后改为“type-4”。16.25秒该位置仍是加号按钮，16.5秒表头单元格已建立；此后持续存在，最后合格帧为27.75秒，视频在28.0秒结束，无后续帧。选择22.0秒作为关键帧，因为第四表头边界和“type-4”名称清晰，且无编辑框或光标遮挡。","start_frame":396,"end_frame":672,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[761.2,186.6,918,243.1],"positive_points":[[779,215],[800,216],[835,204],[867,227],[901,209],[777,231]],"negative_points":[[697,215],[786,272],[934,215],[847,155]],"evidence":"目标是“type-3”右侧、加号左侧的“type-4”表头单元格。边界框紧贴该单元格，包含名称及表头底面，不含下方数值。正点分布于名称和单元格内部；负点位于相邻表头、下方数值、右侧加号区域及上方工具栏。"}}]}
+{"video_id":4,"video_type":"desktop and application interfaces","targets":[{"name":"Loading indicator component set","description":"A compact component set at the upper left of the initial canvas, labeled “loading,” showing white-dot loading animation variants.","membership":"Includes the component set’s rectangular surface and all dot variants within it. Excludes the external name label, selection outlines, and prototype connection overlays.","id":"obj_001","temporal":{"status":"found","start_s":0.0,"end_s":7.75,"reference_s":0.0,"evidence":"目标是初始画布左上方、外部标签“loading”下的紧凑矩形组件集，内含多组白点变体，不包括标签、选择轮廓和原型连线。首个合格帧为0.00秒，已完整显示；末个合格帧为7.50秒，底部蓝色遮罩尚未触及目标。7.75秒时目标已被蓝色转场遮罩覆盖。视频起点之前没有采样帧。选择0.00秒为关键帧，因为白点及组件范围清楚，且没有原型连线遮挡。","start_frame":0,"end_frame":186,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[200.7,327.3,284.2,366.3],"positive_points":[[205.6,336.8],[217.3,356.6],[237.8,336.8],[249,356.6],[272,346.4],[263,359.5]],"negative_points":[[218,316.5],[216,420],[299,346],[595,512]],"evidence":"目标是画布左上方“loading”标签下的白点动画组件集。框覆盖矩形内部表面和全部白点变体，不含外部名称及紫色选择轮廓。正点分布在不同白点和组件表面；负点位于外部标签、下方选项组件、右侧画布及另一加载页面。"}},{"name":"Topic option component set","description":"The small vertical component set labeled “option,” below the loading variants, containing outlined and filled “Music” options.","membership":"Includes the complete component-set area and both option variants. Excludes its external label and interaction overlays.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":7.75,"reference_s":0,"evidence":"目标是 loading 变体下方、标注 option 的小型竖直组件集，包含描边和填充的两个 Music 选项；不含外部标签及交互连线。首个合格帧为 0.00 秒，最后为 7.50 秒，此时底部蓝色遮罩尚未遮住目标；7.75 秒目标已被遮罩覆盖。区间从视频起点开始，无更早帧。选择 0.00 秒作为关键帧，组件集完整清晰且没有交互连线遮挡。","start_frame":0,"end_frame":186,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[199.71,400.17,232.91,494.79],"positive_points":[[206.54,413.19],[226.07,417.53],[216.8,428.82],[206.54,466.15],[224.61,471.35],[215.82,480.9]],"negative_points":[[216.3,391.49],[217.29,356.77],[244.14,542.53],[246.58,447.05]],"evidence":"目标位于画布左侧、loading 变体下方，是标有 option 的纵向组件集。边界框覆盖完整组件集区域及描边、填充两个 Music 选项，不含上方外部标签。六个正点分布于两个选项，负点位于外部标签、上方 loading 组件、下方按钮及右侧背景。"}},{"name":"Button component set","description":"The wide component set labeled “button” on the left of the initial canvas, containing enabled and disabled “Continue” and “Skip” variants.","membership":"Includes the complete component-set area and its four button variants. Excludes the external name label and prototype connection overlays.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":7.75,"reference_s":0,"evidence":"目标是初始画布左侧标为“button”的宽组件集，内含启用和禁用的 Continue、Skip 四个变体；不计外部名称标签和原型连线。首个合格帧为0秒，已完整显示，视频起点之前无采样帧。最后合格帧为7.5秒，此时底部蓝色遮罩尚未遮住组件集；7.75秒遮罩已将其覆盖，结束本次出现。选择0秒作为关键帧，因为组件集完整清晰，且没有原型连线干扰。","start_frame":0,"end_frame":186,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[199.7,522.6,373.0,593.8],"positive_points":[[244.1,542.5],[244.6,575.5],[326.8,543.0],[327.1,575.1],[208.0,558.2],[362.3,561.6]],"negative_points":[[216.3,514.3],[215.8,472.2],[261.2,664.1],[387.7,559.9]],"evidence":"目标是画布左侧标注“button”的宽紫色虚线组件集，内含两行 Continue 和 Skip 的启用、禁用变体。框覆盖完整组件集区域，不包含上方名称标签。正点分布于四个按钮变体及组件集表面；负点位于外部名称、上方选项组件、下方播客卡片和右侧画布背景。"}},{"name":"Enabled Continue component","description":"The white “Continue” button in the lower-left position of the button component set. Its navigation interaction is selected and inspected.","membership":"Includes the button’s rounded surface, boundary, and text. Excludes neighboring variants, selection handles, and the outgoing prototype connector.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":7.75,"reference_s":6,"evidence":"目标是左侧 button 组件集中左下方的白色圆角“Continue”按钮；其导航交互随后被选中并检查，不包含选择手柄和连接线。首个合格帧为0秒，视频起点之前无采样帧；最后合格帧为7.5秒，此时底部蓝色遮罩尚未遮住按钮。7.75秒时按钮已被转场遮罩覆盖。选择6秒作为关键帧，按钮完整清晰，选中的导航连线和交互面板也有助于确认其身份。","start_frame":0,"end_frame":186,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[204.6,561.6,284.7,587.7],"positive_points":[[208.5,567.7],[219.2,580.7],[242.2,573.8],[258.8,566.8],[276.4,580.7],[280.3,567.7]],"negative_points":[[244.1,542.5],[327.1,574.7],[214.8,600.7],[357.9,565.1]],"evidence":"目标是左下方 button 组件集中白色的 Continue 按钮，其右侧连接到 loading 页面。边界框紧贴按钮圆角表面，包含文字，不纳入选择手柄或原型连线。正点分布于按钮表面与文字，负点位于上方禁用按钮、右侧 Skip、下方外部背景和远离按钮的连线上。"}},{"name":"Standalone play button","description":"A small dark-blue circular play control presented separately to the left of the podcast-card component.","membership":"Includes the circular button and its white triangular play symbol. Excludes nearby labels and the podcast card.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":7.75,"reference_s":0,"evidence":"目标是 podcast-card 组件左侧独立的小型深蓝色圆形按钮，内有白色播放三角，不包括卡片内的播放按钮。首个合格帧为 0.00 秒，最后为 7.50 秒；7.50 秒底部蓝色遮罩尚未遮住目标，7.75 秒目标已被遮罩覆盖。该连续出现从视频起点开始，没有更早帧。选择 0.00 秒为关键帧，因为按钮完整可见，且与旁边卡片分离清楚。","start_frame":0,"end_frame":186,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[200,625.9,209.9,643.2],"positive_points":[[205.1,634.5],[202.6,631.9],[207,631.1],[202.1,637.2],[206.5,638.9],[204.6,628.5]],"negative_points":[[191.9,634.5],[204.1,619.8],[228.5,656.3],[214.4,654.5]],"evidence":"目标位于画布左侧、podcast-card 组件左边，是独立的深蓝色圆形播放按钮。边界框紧贴圆形按钮并包含白色三角符号；六个正点分布在符号和按钮表面，负点位于上方标签、右侧卡片及外围画布背景。"}},{"name":"Podcast-card component","description":"The standalone white podcast card below the button variants, with a headphones photograph, an overlaid play control, and title and creator text.","membership":"Includes the entire rounded card, photograph, play control, and text area. Excludes the external “podcast-card” label and editor overlays.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":7.75,"reference_s":0,"evidence":"目标是按钮变体下方独立的白色圆角播客卡，包含耳机照片、叠加播放按钮及底部标题和创作者文字，不含外部标签。首个合格帧为0.00秒，视频起点前无采样帧；最后合格帧为7.50秒，此时蓝色遮罩尚未触及卡片。7.75秒的下一帧中卡片已被蓝色转场遮住。选择0.00秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":0,"end_frame":186,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[222.7,625.9,302.2,731.8],"positive_points":[[231.4,642.4],[250.5,668.4],[293,645.8],[290.5,686.6],[238.3,711.8],[269.5,723.1]],"negative_points":[[252.4,617.2],[211.4,681.4],[244.6,574],[750,564]],"evidence":"目标是按钮变体下方独立的白色圆角播客卡片，内有耳机照片、播放控件、标题和创作者文字。边界框紧贴整张卡片，不包含上方“podcast-card”标签。正点分布在照片、播放控件和底部文字区；负点位于外部标签、左侧画布、上方按钮和右侧手机中的另一张卡片。"}},{"name":"Initial get started screen","description":"The leftmost of three mobile screens on the initial canvas, labeled “get started,” with “Pick a few topics to get started:”, four topic options, and a white “Continue” button.","membership":"Includes the entire rectangular mobile screen and all its contents. Excludes the external frame label, “Flow 1” badge, selection indicators, and prototype connectors.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":7.75,"reference_s":0,"evidence":"目标是初始画布三块手机屏幕中最左侧的“get started”页面，包含提示文字、四个主题选项和白色 Continue 按钮。首个合格帧为0秒，屏幕已完整建立，视频起点之前无采样帧。最后合格帧为7.5秒，虽有交互设置浮窗遮挡部分内容，仍是同一屏幕，底部蓝色转场尚未触及它；7.75秒蓝色转场已将其遮去。选择0秒作为关键帧，因为屏幕完整清晰且没有浮窗或连接线遮挡。","start_frame":0,"end_frame":186,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[396.97,326.39,495.12,702.26],"positive_points":[[414.06,363.72],[431.15,446.18],[459.47,499.13],[419.92,535.59],[475.1,602.43],[440.92,657.99]],"negative_points":[[412.11,317.71],[596.19,512.15],[244.14,577.26],[516.6,564.24]],"evidence":"目标是三个手机页面中最左侧的“get started”页面，包含提示文字、四个主题选项和白色 Continue 按钮。边界框紧贴完整手机页面矩形，不含上方外部标签。正点分布在页面上部、文字与选项、下部背景及按钮上；负点位于外部标签、右侧 loading 页面、左侧独立按钮组件及画布背景。"}},{"name":"Loading screen","description":"The middle mobile screen on the initial canvas, with a dark-blue gradient, a status bar, and four white loading dots at its center.","membership":"Includes the complete rectangular screen, gradient surface, status bar, and loading indicator. Excludes its external “loading” label and interaction overlays.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":7.75,"reference_s":0,"evidence":"目标是初始画布中间的完整手机矩形屏幕，具有深蓝渐变、顶部状态栏和中央四个白色加载点，不包括外部标签及交互浮层。首个合格帧为0秒，已完整显示；视频起点前无采样帧。最后合格帧为7.50秒，底部蓝色转场尚未遮到目标；7.75秒目标被转场遮去。期间交互浮层的局部遮挡不改变其连续身份。选择0秒作为关键帧，屏幕轮廓清晰且无浮层遮挡。","start_frame":0,"end_frame":186,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[546.88,326.39,644.53,702.26],"positive_points":[[562.99,339.41],[624.51,384.55],[561.04,463.54],[589.84,503.47],[601.56,524.31],[619.14,667.53]],"negative_points":[[558.59,317.71],[527.34,503.47],[668.95,514.76],[447.27,564.24]],"evidence":"目标是画布中间的深蓝渐变手机加载屏，顶部有状态栏，中央有四个白色圆点。边界框覆盖完整矩形屏幕，不包含上方“loading”标签。正点分布于状态栏、渐变背景和加载圆点；负点位于外部标签、两侧画布及左侧相邻屏幕。"}},{"name":"Homepage screen","description":"The rightmost mobile screen on the initial canvas, labeled “homepage,” displaying “For you,” stacked podcast cards, and a bottom navigation bar.","membership":"Includes the complete screen and all enclosed cards, images, text, and navigation controls. Excludes the external frame label and prototype connectors.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":7.75,"reference_s":0,"evidence":"目标是初始画布最右侧标注“homepage”的手机屏幕，内含“For you”、纵向播客卡片及底部导航栏。首个合格帧为0秒，最后为7.50秒；此时蓝色转场仅覆盖画面底部，尚未遮住目标。7.75秒时转场已将目标遮去，结束此次出现。期间交互设置浮窗的短暂遮挡不改变屏幕身份。视频起点前无采样帧。选择0秒作为关键帧，屏幕完整清晰且无浮窗或连接线遮挡。","start_frame":0,"end_frame":186,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[701.7,326.4,799.8,702.3],"positive_points":[[716.8,371.5],[773.4,349],[736.3,455.7],[768.6,511.3],[749.5,571.2],[762.2,684]],"negative_points":[[718,317],[681,500],[855,470],[595,500]],"evidence":"目标是画布最右侧、标注为“homepage”的手机屏幕，含“For you”、播客卡片和底部导航栏。边界框覆盖完整屏幕，不含上方外部标签。正点分布在屏幕上部、卡片图片与文字区域及底部导航；负点位于外部标签、左侧画布、右侧属性面板和相邻加载屏幕。"}},{"name":"Initial properties sidebar","description":"The white right-hand Figma sidebar, initially on “Design” and then switched to “Prototype.” It displays device settings and later the selected objects’ interactions and scroll behavior.","membership":"Includes the sidebar surface, tab row, section boundaries, and displayed controls and previews. Excludes the top application toolbar, canvas, and floating interaction editor.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":7.5,"reference_s":1.0,"evidence":"目标为 Figma 窗口右侧白色属性栏，包含 Design／Prototype 标签及设备预览、交互和滚动设置，不包含顶部工具栏或浮动交互编辑器。首个合格帧为 0.00 秒，侧栏已完整建立，之前无采样帧；最后合格帧为 7.25 秒。7.50 秒蓝色转场遮罩开始覆盖侧栏底部，故结束此次出现。选择 1.00 秒作关键帧，此时侧栏边界完整、无遮挡，Prototype 设备设置与预览清晰。","start_frame":0,"end_frame":180,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[822.3,178,959.5,958.3],"positive_points":[[877,198],[853,277],[920,335],[890,449],[845,585],[879,782]],"negative_points":[[876,152],[804,757],[600,454],[120,592]],"evidence":"目标是画面最右侧当前选中“Prototype”的白色属性侧栏。边框覆盖从Design/Prototype标签行至底部的完整侧栏，包括设备设置、预览、背景与原型设置。正点分布在标签、控件、预览及侧栏表面；负点位于上方工具栏、左侧画布和图层面板，均不属于目标。"}},{"name":"Continue-to-loading prototype connector","description":"A curved connector from the enabled white “Continue” component on the left to the loading screen. It becomes blue when its interaction is selected.","membership":"Includes the connector’s open curved stroke, source endpoint, and destination arrowhead. Excludes the area between the curve and surrounding objects, cursor, and interaction editor.","id":"obj_011","temporal":{"status":"found","start_s":0.75,"end_s":7.75,"reference_s":6.5,"evidence":"目标是左侧白色 Continue 组件连至 loading 屏幕的弯曲连线，包含源端点和目标箭头；选中后变蓝。首次完整出现于 0.75 秒，前一帧 0.50 秒尚未显示原型连线。最后符合条件的是 7.50 秒，底部蓝色遮罩尚未遮到目标；7.75 秒遮罩已将其覆盖。选择 6.50 秒作为关键帧，此时连线呈蓝色，端点、曲线和箭头清晰，交互编辑面板未遮挡目标。","start_frame":18,"end_frame":186,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[280.3,506.9,547.9,581.6],"positive_points":[[284.2,568.6],[329.6,572.0],[390.6,551.2],[459.0,524.3],[507.8,514.8],[544.9,513.9]],"negative_points":[[244.1,574.7],[488.3,607.6],[595.7,477.4],[351.6,520.8]],"evidence":"目标是从左侧白色 Continue 按钮连接到 loading 屏幕的蓝色曲线。边界框紧贴源端圆环、弯曲线条和右端箭头；六个正点沿这些部分分布，负点位于按钮内部、交互编辑器、加载屏幕内部及曲线外的画布背景，均不属于连接线。"}},{"name":"Loading-to-homepage prototype connector","description":"The short rightward connection between the loading and homepage screens, carrying the “After delay” label.","membership":"Includes the open connector stroke, endpoint, arrowhead, and attached “After delay” label box. Excludes the connected screens and floating settings panel.","id":"obj_012","temporal":{"status":"found","start_s":0.75,"end_s":5.75,"reference_s":2.5,"evidence":"目标是 loading 与 homepage 屏幕之间的短向右原型连接，包含端点、连线、箭头及“After delay”标签框。首次完整出现于0.75秒，最后符合条件的帧为5.50秒；前一帧0.50秒尚未显示原型连线，后一帧5.75秒切换为按钮到 loading 的连接，目标消失。选择2.50秒作为关键帧，此时目标结构清楚，未被浮动设置面板遮挡。","start_frame":18,"end_frame":138,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[640.6,498.3,702.6,530.4],"positive_points":[[644.0,513.9],[654.8,506.1],[670.4,514.8],[687.5,521.7],[696.3,513.9],[699.7,511.3]],"negative_points":[[596.2,549.5],[731.0,516.5],[671.9,477.4],[673.8,547.7]],"evidence":"目标是 loading 与 homepage 屏幕之间带有“After delay”标签的短向右连接线。边界框覆盖左端圆形端点、连接线、右箭头及标签框；正点分布在这些组成部分上，负点位于两侧屏幕及连接线上下的外部画布，排除屏幕和设置面板。"}},{"name":"Screen Continue-to-loading connector","description":"A second curved connection, visible when the loading frame is selected, from the “Continue” button inside the get started screen to the loading screen.","membership":"Includes the open curve, source endpoint, and arrowhead only. Excludes both screens and the area enclosed by the curve’s bend.","id":"obj_013","temporal":{"status":"found","start_s":3.75,"end_s":5.75,"reference_s":4.0,"evidence":"目标是从 get started 屏幕内 Continue 按钮右侧端点弯向 loading 屏幕左侧的第二条连接线，包含曲线、源端点和箭头。首个符合帧为 3.75 秒，最后为 5.50 秒；此前 3.50 秒仅有组件按钮发出的连接线，此后 5.75 秒切换到组件按钮连接的选择状态，目标连接线消失。选择 4.00 秒作为关键帧，目标结构完整清晰，弹窗未遮挡它。","start_frame":90,"end_frame":138,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[482.4,507.0,547.9,664.1],"positive_points":[[485.8,658.0],[500.9,643.2],[511.7,607.6],[521.0,564.2],[531.7,528.6],[543.9,510.4]],"negative_points":[[473.6,607.6],[576.2,572.9],[449.2,520.8],[507.8,694.4]],"evidence":"目标是从 get started 屏幕内 Continue 按钮右端弯向 loading 屏幕的较短连接线。边框仅覆盖曲线、源端圆点和终端箭头；六个正点沿这些可见部分分布，负点位于两侧屏幕、另一条连接线及下方外部背景，避开弯曲内部区域。"}},{"name":"Initial interaction editor","description":"A floating white settings panel opened beneath the “After delay” connection. It first shows a 1600ms delay and navigation to “homepage,” then updates to the Continue button’s “On tap” navigation to “loading.”","membership":"Includes the complete visible floating panel, its pointer-shaped attachment, header, controls, animation preview, and state-management options. Follows the panel when it moves. Excludes the canvas and connector behind it.","id":"obj_014","temporal":{"status":"found","start_s":4.0,"end_s":7.5,"reference_s":6.25,"evidence":"目标是“After delay”连接下方带尖角的白色浮动交互设置面板，起初显示1600ms及导航至homepage，随后更新为On tap及导航至loading，并移动位置。首个符合帧为4.00秒；3.75秒仅选中连接，尚无面板。最后符合帧为7.25秒；7.50秒蓝色转场遮罩开始遮去面板底部。选择6.25秒为关键帧，此时面板边界、尖角、控件、动画预览及状态管理选项完整清晰。","start_frame":96,"end_frame":180,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[440.4,535.6,578.1,950.5],"positive_points":[[509.3,540.8],[465.8,566.0],[488.8,644.1],[515.1,771.7],[497.6,857.6],[532.7,921.9]],"negative_points":[[608,786],[416,802],[388,553],[734,776]],"evidence":"目标是画布中下方显示“On tap”、导航至“loading”的白色浮动交互编辑面板。边界框包含顶部尖角、标题、导航与动画控件、预览和状态管理选项。正点分布于尖角及面板各主要区域；负点位于面板外的画布和连接线附近，不包含后方画布或连接线。"}},{"name":"Figma features heading","description":"The large black heading “Figma features we’ll be using:” on the blue presentation slide.","membership":"Includes the complete heading’s text only. Excludes the blue background and the feature list below it.","id":"obj_015","temporal":{"status":"found","start_s":7.75,"end_s":13.25,"reference_s":12.0,"evidence":"目标是蓝色演示页上的黑色大标题“Figma features we’ll be using:”，不含下方列表。7.75秒标题已完整可见，虽页面仍在移动，但文字未被裁切；前一帧7.50秒尚未出现标题。最后符合条件的帧为13.00秒，下一帧13.25秒标题已开始淡出。选择12.00秒作为关键帧，标题清晰完整、无遮挡，且与下方列表容易区分。","start_frame":186,"end_frame":318,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[165.5,296,734.4,363.7],"positive_points":[[168,325],[228.5,330],[359.5,330],[547,328],[568.5,330],[730.5,316.5]],"negative_points":[[500,250],[780,330],[188,465],[302,560]],"evidence":"目标是蓝色幻灯片上方的大号黑色标题“Figma features we’ll be using:”。边界框紧贴整行标题，包含末尾冒号。六个正点分布在标题各部分的字形笔画上；负点位于标题外的蓝色背景及下方功能列表文字上。"}},{"name":"Figma features list","description":"The progressively revealed list beneath the heading: “Variables,” “Interactive components,” and “Conditional logic.”","membership":"Includes the three text lines and their leading hyphens as one coherent list block. Excludes the heading and slide background.","id":"obj_016","temporal":{"status":"found","start_s":11.5,"end_s":13.25,"reference_s":12.0,"evidence":"目标是标题下方由三个前导连字符及“Variables”“Interactive components”“Conditional logic”组成的列表，不含标题。11.50秒三行均已完成显现，为首个合格帧；此前11.25秒第三行仍在淡入。最后合格帧为13.00秒，紧接的13.25秒列表已开始淡出。选择12.00秒作为关键帧，此时列表完整清晰、无遮挡，便于标注。","start_frame":276,"end_frame":318,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[163.6,447.9,517.1,693.6],"positive_points":[[185.5,453.1],[276.4,468.8],[168.5,564.2],[511.7,556.4],[186.0,663.2],[400.9,671.0]],"negative_points":[[217.3,331.0],[130.0,570.0],[565.0,577.0],[295.0,743.0]],"evidence":"目标是标题下方的三行功能列表。边界框紧密覆盖“Variables”“Interactive components”“Conditional logic”及各行前导短横线。六个正点分布在三行的文字笔画和短横线上；负点位于上方标题及列表左侧、右侧和下方的背景，排除标题与幻灯片背景。"}},{"name":"Question-mark graphic","description":"A large black question mark presented by itself at the center of the blue slide after the feature list disappears.","membership":"Includes the curved upper glyph and separate square dot. Excludes the blue background and the empty space between the two parts.","id":"obj_017","temporal":{"status":"found","start_s":13.75,"end_s":16.25,"reference_s":14.5,"evidence":"目标是蓝色幻灯片中央独立的大号黑色问号，包含上方弯曲字形和下方方形圆点。13.75秒首次完整呈现，之前13.50秒仅有构建中的黑色小块；16.00秒仍完整可见，16.25秒升起的编辑器窗口开始遮去问号，此后不再完整出现。选择14.50秒作为关键帧，问号轮廓清晰、无遮挡且易于区分。","start_frame":330,"end_frame":390,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[417,291,583,709],"positive_points":[[444,396],[484,331],[548,346],[553,439],[495,528],[498,660]],"negative_points":[[350,500],[650,500],[500,220],[500,800]],"evidence":"图像中央蓝色背景上有独立的黑色问号。边界框紧贴上方弯曲字形和下方方形圆点的整体范围；六个正点分布在弯曲笔画及方形点内，四个负点位于目标外围的蓝色背景，避开字形内部空白及两部分之间的间隙。"}},{"name":"Unselected-topic get started screen","description":"The left mobile screen in the later two-screen demonstration. It shows four outlined topic options and a gray disabled “Continue” button.","membership":"Includes the entire rectangular mobile screen, status bar, heading, topic options, and Continue button. Excludes the external frame label, “Flow 1” badge, editor outlines, and prototype connectors.","id":"obj_018","temporal":{"status":"found","start_s":16.5,"end_s":20.0,"reference_s":19.0,"evidence":"目标是后段双屏演示中的左侧手机屏幕，含四个描边话题选项及灰色禁用的“Continue”按钮。16.5秒首次完整显示，前一帧16.25秒屏幕下部仍被画面边界裁切；此后持续存在至最后一帧19.75秒，末段虽有交互浮窗局部遮挡，但仍是同一屏幕。区间到达视频结尾，无后续帧。选择19.0秒作为关键帧，屏幕完整且无浮窗遮挡，便于区分右侧已选话题的屏幕。","start_frame":396,"end_frame":480,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[226.1,229.2,403.3,912.3],"positive_points":[[257.2,253.5],[293.5,452.3],[263.9,548.6],[353.2,614.6],[314.0,836.8],[376.0,736.1]],"negative_points":[[201.2,241.9],[453.1,741.3],[691.4,442.7],[147.0,666.7]],"evidence":"目标是左侧含四个描边话题选项和灰色禁用 Continue 按钮的手机页面。边界框紧贴整个矩形屏幕，包含状态栏、标题、选项、按钮及页面背景。正点分布于这些内容和屏幕内部；负点位于外部 Flow 1 标记、编辑器画布、右侧手机页面及左侧图层面板，排除外部标签、编辑轮廓和连接线。"}},{"name":"Selected-topic get started screen","description":"The right mobile screen in the later demonstration. Its “Music” option is white-filled and its “Continue” button is enabled, while the other topics remain outlined.","membership":"Includes the entire rectangular mobile screen and all enclosed content. Excludes the external frame label, selection handles, sizing badges, and prototype connectors.","id":"obj_019","temporal":{"status":"found","start_s":16.5,"end_s":20.0,"reference_s":17.0,"evidence":"目标是后段演示右侧的完整手机页面：Music 为白色填充，Continue 按钮启用，其余主题为描边。首个合格帧为16.50秒，16.25秒时页面底部仍被画面边界裁切；此后持续可见至最后一帧19.75秒，因此区间结束于20.00秒，视频结束后无相邻帧。选择17.00秒作为关键帧，右侧页面完整清晰，且没有弹窗遮挡或连接线穿过。","start_frame":396,"end_frame":480,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[604.5,229.2,782.2,912.3],"positive_points":[[633.4,286.5],[750.5,390.6],[661.6,443.6],[643.8,549.5],[731.4,614.6],[690.9,836.8]],"negative_points":[[626.0,221.0],[557.1,570.3],[863.8,614.6],[310.1,835.1]],"evidence":"目标是右侧移动端页面，Music 为白色填充，Continue 按钮已启用，其余主题为描边。边界框紧贴整个手机页面矩形，包含全部内部内容，不含上方外部标签。正点分布在页面背景、标题、主题选项和底部按钮上；负点位于外部标签、两屏间画布、右侧属性面板及左侧另一页面。"}},{"name":"Later Prototype sidebar","description":"The white right-hand “Prototype” sidebar beside the two enlarged get started screens. It shows interactions and scroll behavior for the selected topic instance.","membership":"Includes the sidebar surface, tab row, headings, and controls. Excludes the application toolbar, canvas, and floating interaction editor.","id":"obj_020","temporal":{"status":"found","start_s":16.75,"end_s":20.0,"reference_s":19.5,"evidence":"目标是两个放大的 get started 屏幕右侧的白色 Prototype 侧栏，包含标签行、Interactions、Scroll behavior 和相关控件，不含浮动交互编辑器。首个完整呈现帧为16.75秒；前一帧16.50秒中侧栏仍随窗口进入画面，底部被画面边界裁切。最后合格帧为19.75秒，持续至视频结束20.00秒，之后无采样帧。选择19.50秒作为关键帧，侧栏边界完整、无遮挡，交互和滚动设置清晰可辨。","start_frame":402,"end_frame":480,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[822.8,177.8,959.7,958.7],"positive_points":[[877,198],[853,244],[906,278],[854,327],[902,417],[891,679]],"negative_points":[[888,152],[798,419],[696,666],[408,733]],"evidence":"目标是画面最右侧白色 Prototype 侧栏，位于两个 get started 手机画面右边，显示 Interactions 和 Scroll behavior。边界框覆盖从标签行到窗口底部的整块侧栏，包括标题、控件与白色表面；正点分布在这些区域，负点位于上方应用工具栏、左侧画布、手机画面及浮动交互编辑器中。"}},{"name":"Left Music topic option","description":"The outlined “Music” option at the upper left of the topic choices in the later left-hand screen. It is selected as the source of a connection to the right-hand screen.","membership":"Includes the complete rounded option surface, outline, and “Music” text. Excludes the other topics, selection handles, sizing badges, and prototype endpoint.","id":"obj_021","temporal":{"status":"found","start_s":16.25,"end_s":20.0,"reference_s":19.5,"evidence":"目标是后段左侧手机界面话题区左上角的描边“Music”选项，随后作为连向右侧界面的原型连接源。16.25秒其完整圆角表面、描边和文字已可见；前一帧16.0秒尚未出现该选项。最后合格帧为19.75秒，至视频结束仍存在，无后续帧可检查。选择19.5秒为关键帧，此时目标完整清晰，没有选择手柄或尺寸标签遮挡。","start_frame":390,"end_frame":480,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[242.7,526.9,288.1,572.1],"positive_points":[[247.2,534.5],[280.7,534.1],[255.4,550.8],[274.8,550.3],[249.8,564.7],[281.6,564.3]],"negative_points":[[331.5,549.8],[281.7,613.9],[643.7,549.9],[232.5,546.4]],"evidence":"目标是左侧手机画面主题选项区左上方的描边“Music”按钮。边界框紧贴按钮本体，包含圆角表面、轮廓和文字，不含外围紫色选择标记。正点分布在按钮表面及文字处；负点位于其他主题按钮、右侧同名按钮和左侧外部背景。"}},{"name":"Right Music topic option","description":"The white-filled “Music” option at the upper left of the later right-hand screen’s topic choices. It is subsequently selected to create a return connection.","membership":"Includes the complete rounded option surface and “Music” text. Excludes neighboring options, selection outlines, sizing badges, and outgoing connector.","id":"obj_022","temporal":{"status":"found","start_s":16.25,"end_s":20.0,"reference_s":17.0,"evidence":"目标是后段右侧手机界面选项区左上角白底圆角的“Music”按钮，后来被选中以建立返回连线。首个合格帧为16.25秒，按钮表面及文字已完整显示；此前16.00秒仅见问号和刚进入的窗口边缘，尚无该按钮。最后合格帧为19.75秒，目标仍然存在；区间延至视频结尾20.00秒，无后续帧。选择17.00秒作为关键帧，因为按钮清晰、无遮挡，且尚未被选择框或连线干扰。","start_frame":390,"end_frame":480,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[621.1,526.9,666.5,572.0],"positive_points":[[626.5,537.3],[660.2,538.2],[641.6,550.3],[627.0,561.6],[659.7,562.5],[651.9,549.5]],"negative_points":[[707.0,550.3],[659.2,613.7],[609.9,548.6],[643.1,503.5]],"evidence":"目标是右侧手机画面主题选项区左上角白底的“Music”按钮。边界框紧贴完整圆角按钮表面及文字，不含外围紫色选框。正点分布于白色表面和文字处；负点位于相邻的 Food & drinks、Product design 按钮及目标左侧、上方背景。"}},{"name":"Music selection navigation connector","description":"The blue curved connector drawn from the left screen’s outlined “Music” option to the right get started screen.","membership":"Includes the open connector stroke, source endpoint, and arrowhead as its destination is established. Excludes both mobile screens and the space around the curve.","id":"obj_023","temporal":{"status":"found","start_s":17.75,"end_s":18.25,"reference_s":17.75,"evidence":"目标是从左侧屏幕描边的“Music”选项出发、指向右侧 get started 屏幕的蓝色曲线，包含源端点和箭头。17.75 秒首次完成连接，18.00 秒仍可见，为最后合格帧。此前 17.50 秒连接线仍在拖拽，箭头停在两屏之间，目的端尚未建立；此后 18.25 秒选择转到右屏元素，该连接线消失。选择 17.75 秒作为关键帧，因完整曲线清楚可见且无弹窗遮挡。","start_frame":426,"end_frame":438,"reference_frame":426},"grounding":{"status":"found","bbox_xyxy":[284.7,542.5,605.0,578.1],"positive_points":[[288.1,549.5],[341.8,551.2],[402.8,555.6],[488.3,566.8],[561.5,571.2],[603.0,571.2]],"negative_points":[[265.1,549.5],[643.1,549.5],[449.2,520.8],[488.3,607.6]],"evidence":"目标是从左侧 Music 选项右边圆形端点延伸至右侧手机画面的蓝色曲线箭头。边界框紧贴源端点、连接线及末端箭头；六个正点沿这些部分分布，负点位于两侧 Music 控件内部及曲线上下的外部背景，排除手机界面和周围空间。"}},{"name":"Music deselection navigation connector","description":"The blue return connector drawn from the right screen’s filled “Music” option to the left get started screen.","membership":"Includes the open curved stroke, source endpoint, and destination arrowhead. Excludes both screens, the cursor, and the floating interaction settings.","id":"obj_024","temporal":{"status":"found","start_s":19.25,"end_s":20.0,"reference_s":19.25,"evidence":"目标是从右侧屏幕已填充的“Music”选项返回左侧 get started 屏幕的蓝色曲线，包含源端点和向左箭头。19.25 秒首次完整连接到左侧屏幕，最后符合帧为 19.75 秒；紧邻之前的 19.00 秒仍在拖拽，箭头悬空，尚未完成目标连接。该连接持续到视频结束，之后无采样帧。选择 19.25 秒作为关键帧，因为完整连线清晰且没有浮动交互设置面板遮挡。","start_frame":462,"end_frame":480,"reference_frame":462},"grounding":{"status":"found","bbox_xyxy":[402.8,542.5,625,578.1],"positive_points":[[621.1,544.3],[604.5,549.5],[550.3,553.8],[521.5,560.8],[457,570.3],[405.8,567.7]],"negative_points":[[406.7,603.3],[642.1,552.1],[380.9,546.9],[522.5,529.5]],"evidence":"目标是从右侧已填充的“Music”选项返回左侧屏幕的蓝色弯曲连接线。框覆盖右端圆形连接点、完整曲线和左端箭头；正点分布在端点、曲线及箭头上，负点位于鼠标光标、两侧屏幕内容和连接线上方背景，排除这些非目标对象。"}},{"name":"Return-navigation interaction editor","description":"The floating white panel opened near the bottom center of the later demonstration, showing “On click,” “Navigate to,” “get started,” “Instant,” and state-management checkboxes.","membership":"Includes the complete panel surface, attachment pointer, header, navigation settings, and checkboxes. Excludes the underlying mobile screen and prototype connector.","id":"obj_025","temporal":{"status":"found","start_s":19.5,"end_s":20.0,"reference_s":19.5,"evidence":"目标是后段从右侧已选 Music 页面返回左侧页面的白色交互编辑面板，包含附件尖角、“On click”“Navigate to”“get started”“Instant”和状态管理复选框。首个完整呈现帧为19.50秒，最后为19.75秒；此前19.25秒仍在拖动返回连接线，尚无面板。面板持续至视频结束，之后无采样帧。选择19.50秒作为关键帧，因为面板边界及全部设置清晰，遮挡较少。","start_frame":468,"end_frame":480,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[334.5,601.6,472.2,867.2],"positive_points":[[355,621],[448,625],[377,668],[388,705],[449,770],[404,838]],"negative_points":[[289,749],[500,718],[509,565],[283,614]],"evidence":"目标是画面下方中央显示“On click”“Navigate to”“get started”“Instant”和状态管理复选框的白色浮动编辑面板。边界框紧贴完整可见面板；正点分布于标题、导航设置、复选框区域及面板表面，负点位于外部手机画面、主题按钮、深色背景和蓝色原型连接线上。"}}]}
+{"video_id":5,"video_type":"desktop and application interfaces","targets":[{"name":"Production Chart panel","description":"Upper-left panel titled \"Production Chart\", showing stacked colored columns by date and an \"Item Type\" legend. Its columns fade and regain saturation as a production item is selected and cleared.","membership":"Includes the rounded panel boundary, white surface, title, chart columns, data labels, dates, legend, and chart controls. Excludes hover tooltips extending over the chart and the surrounding dashboard background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标是左上角标题为“Production Chart”的圆角白色面板，包含按日期排列的堆叠柱和“Item Type”图例。首个合格帧为0秒，最后为12.75秒；整个区间面板边界和布局始终完整，柱体饱和度变化及悬浮提示不改变面板身份。区间覆盖视频首尾，两端均无外侧采样帧。选择0秒作为关键帧，面板清晰完整且无悬浮提示遮挡。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[17.2,0,549.2,375.4],"positive_points":[[279,28],[79,250],[222,218],[464,124],[467,309],[93,101]],"negative_points":[[749,202],[223,514],[484,764],[558,390]],"evidence":"目标是左上角标题为“Production Chart”的圆角面板，内有按日期排列的彩色堆叠柱和“Item Type”图例。边界框紧贴整个面板外缘；正点分布于标题、柱形、图例及白色面板表面，负点位于其他面板和面板间的灰色背景。"}},{"name":"June 11 Bridge Panels column","description":"The green column above \"06/11/2020\" in the Production Chart, labeled \"1\". It is hovered over and selected, remaining bright while other columns fade.","membership":"Includes only the green rectangular column and its internal value label. Excludes the date beneath it, cursor, tooltip, other columns, and chart background.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":5,"evidence":"目标是 Production Chart 中日期“06/11/2020”上方、内部标注“1”的绿色矩形柱。它从首帧0.00秒至末帧12.75秒持续存在；悬停提示框及选择后其他柱变淡不改变其身份。区间覆盖视频全长，两端均无区间外采样帧。选择5.00秒作为关键帧，此时目标保持亮绿色，其他柱淡化，且无光标或提示框遮挡，便于单独标注。","start_frame":0,"end_frame":312,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[122.66,277.45,177.34,330.86],"positive_points":[[128.9,287.8],[145.3,289.3],[169.5,292.3],[132.8,319],[150,304],[168,320.5]],"negative_points":[[150,347.2],[79,304.2],[220,267.1],[185.2,304.2]],"evidence":"目标是 Production Chart 中“06/11/2020”上方、内部标有“1”的亮绿色柱。边界框仅覆盖绿色矩形及内部数值；六个正点分布在柱内不同位置，四个负点分别位于下方日期、左侧柱、右侧紫色柱及柱外背景。"}},{"name":"NCR Details panel","description":"Upper-right panel titled \"NCR Details\", containing an item-type legend and a pie chart labeled with defects including \"Low Concrete Strength\", \"Incorrect Thickness\", and \"Lifting Hardware\".","membership":"Includes the rounded panel boundary, surface, heading, legend, complete pie and its enclosed sectors, external labels, and leader lines. Includes its faded and animated chart states; excludes the surrounding background.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标为右上角标题为“NCR Details”的圆角面板，包含图例、完整饼图及缺陷标签和引线。首个合格帧为0.00秒，最后为12.75秒；面板始终存在，期间饼图淡化及动画状态属于同一目标。区间到达视频首尾，边界外均无采样帧。选择0.00秒作为关键帧，因为面板完整清晰、无遮挡，图例和饼图标签易于辨认。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[561.7,0,950,375.4],"positive_points":[[755.5,26.7],[614.1,124.6],[810.2,146.9],[797.7,273],[910.2,283.4],[616.4,326.4]],"negative_points":[[527.3,185.5],[762.5,385.8],[970.3,195.8],[783.6,424.3]],"evidence":"目标是右上角标题为“NCR Details”的圆角面板，内有 Item Type 图例及带缺陷标签的饼图。边界框紧贴整个面板外缘，包含标题、图例、完整饼图、外部标签和引线。正点分布在标题、图例、饼图扇区、标签及面板表面；负点位于左侧其他面板、下方间隙、右侧背景和下方 Shipments 面板。"}},{"name":"Job Status panel","description":"Middle-left panel titled \"Job Status\", displaying horizontal completion bars for jobs including \"Sky Scraper #56\", \"Tracy's Job\", and \"Bowman Highway\". Selection changes the highlighted bars and displayed percentages.","membership":"Includes the rounded boundary, white surface, title, job labels, bars, percentage labels, scrollbar, and chart controls. Excludes the independently displayed hover tooltip and cursor.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标为画面中左侧标题为“Job Status”的圆角白色面板，包含作业名称、横向完成度条、百分比和滚动条。首个合格帧为0.00秒，最后为12.75秒；期间仅高亮、数值和图表控件变化，面板结构持续完整，独立悬浮提示框和光标不计入目标。区间覆盖视频全程，起点之前及终点之后均无采样帧。选择0.00秒为关键帧，面板清晰且无提示框遮挡。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[17.2,396.1,378.1,703.3],"positive_points":[[193,423],[79,489],[245,490],[176,577],[335,658],[370,551]],"negative_points":[[291,307],[481,519],[219,888],[693,583]],"evidence":"目标是图像中部左侧标题为“Job Status”的面板，可见多个作业名称及水平完成度条。边界框紧贴整个圆角面板，涵盖白色表面、标题、标签、进度条、百分比及右侧滚动条。正点分布在标题、作业标签、进度条、面板表面和滚动条上；负点位于外部的生产图表、品牌面板、Items表格和Shipments图表。"}},{"name":"Idencia Marketplace panel","description":"Small central panel with the blue-and-white idencia logo, black wordmark, and \"Visit The\" text above the \"Idencia Marketplace\" link.","membership":"Includes the complete rounded panel, its surface and boundary, logo, wordmark, invitation text, link, and small internal indicator. Excludes neighboring charts and the dashboard background.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标是仪表盘中央的圆角白色面板，含蓝白 Idencia 标志、黑色字标、“Visit The”、商城链接及小指示符。首个合格帧为0秒，最后为12.75秒；面板表面与边界始终完整，期间内部链接的���暂刷新不改变面板身份。区间到达视频首尾，两端均无外侧采样帧。选择0秒为关键帧，因为面板及其内容清晰完整、无遮挡。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[387,425,580.5,673.6],"positive_points":[[430,496],[506,523],[483,580],[479,618],[410,640],[562,454]],"negative_points":[[351,520],[484,389],[611,566],[483,705]],"evidence":"目标是仪表板中央含蓝白标志、黑色 idencia 字样及“Visit The / Idencia Marketplace”文字的小面板。边界框紧贴完整圆角面板，包含表面、边框及全部内部内容。正点覆盖标志、字样、邀请文字、链接和面板表面；负点位于面板外的背景及左右相邻图表。"}},{"name":"Shipments panel","description":"Middle-right panel titled \"Shipments\", showing colored shipment-count columns by date, a \"Shipment Number\" legend, and a horizontal scrollbar.","membership":"Includes the rounded panel boundary, surface, heading, legend, columns, internal counts, date labels, and scrollbar. Includes the faded selection state; excludes adjacent panels and background.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标是画面中右侧标题为“Shipments”的圆角面板，包含 Shipment Number 图例、按日期排列的彩色计数柱和底部横向滚动条。首个合格帧为0.00秒，最后为12.75秒；全程面板边界与表面完整，期间柱形淡化属于选择状态，不中断出现。区间覆盖视频首尾，两端均无区间外采样帧。选择0.00秒为关键帧，面板清晰、无遮挡，图例、计数和日期均可辨认。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[587.5,396.1,950,703.3],"positive_points":[[758.6,423.4],[660.2,467.4],[692.2,569.7],[895.3,593.5],[828.1,516.3],[685.9,686.9]],"negative_points":[[535.2,541.5],[765.6,344.2],[769.5,750.7],[968.8,549]],"evidence":"目标是图像中部右侧标题为“Shipments”的圆角面板。边界框覆盖完整面板边框、表面、标题、图例、柱形及计数、日期和底部滚动条，包括淡化显示部分。正点分布于标题、图例、柱形、面板表面和滚动条；负点位于左侧标志面板、上方NCR面板、下方库存面板及右侧外部背景。"}},{"name":"Items table panel","description":"Lower-left panel titled \"Items\", with columns \"Serial Number\", \"Item Type Name\", \"Current Status\", \"Created On\", and \"Item Details Link\". Its multiple rows temporarily filter to one approved Bridge Panels item before returning.","membership":"Includes the panel boundary and surface, title, headers, visible rows and cells, detail-link icons, sorting marks, scrollbars, and panel controls. The extent remains the full panel through filtering and temporary empty states. Excludes floating tooltips and cursor or hover emphasis.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标是左下角标题为“Items”的表格面板，包含指定的五列及完整面板边界。首个合格帧为0.00秒，最后为12.75秒；期间筛选为单条已批准的Bridge Panels记录及暂时清空内容时，面板结构仍持续存在。区间覆盖视频全长，起点之前和终点之后均无采样帧。选择0.00秒作为关键帧，因为面板、表头、多行记录和滚动条清晰，且无浮动提示框或鼠标遮挡。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[17.2,721.1,549.2,1000],"positive_points":[[280,747],[78,831],[210,887],[323,941],[493,856],[413,983]],"negative_points":[[217,582],[483,582],[751,879],[781,589]],"evidence":"目标是左下角标题为“Items”的表格面板，具有指定的五列。边界框覆盖完整面板边框、表面、标题、表头、可见数据行、链接图标及滚动条。正点分布于标题、各列数据和底部滚动条；负点位于上方Job Status、中央标志、右侧RFID库存及Shipments面板内。"}},{"name":"RFID Tag Inventory panel","description":"Lower-right panel titled \"RFID Tag Inventory\", with a yellow-and-light-gray semicircular gauge displaying \"20\", endpoint values \"0\" and \"81\", and the text \"Total Amount of Tags\" and \"Shipped\".","membership":"Includes the complete rounded inventory panel boundary and surface, title, gauge, numeric and explanatory labels, and the inset \"Tag Avg per Day\" and \"Need Tags?\" cards. The gauge includes its arc boundaries and enclosed interior. Excludes surrounding dashboard background.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标为右下角“RFID Tag Inventory”圆角面板，包含黄色与浅灰色半圆仪表、数值20、端点0和81、说明文字及两张内嵌卡片。面板边界和表面从首帧0.00秒至末帧12.75秒持续完整呈现，内部内容刷新不改变面板身份。区间覆盖整个视频，起点前和终点后均无采样���。选择0.00秒作为关键帧，目标清晰且无遮挡。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[561.7,721.1,950,1000],"positive_points":[[595,773],[917,774],[753,750],[660,932],[787,816],[753,948]],"negative_points":[[545,866],[968,862],[794,662],[650,707]],"evidence":"目标是右下角标题为“RFID Tag Inventory”的圆角面板。框覆盖完整可见面板、两侧内嵌卡片、黄灰色半圆仪表及数字和说明标签，底边到图像边缘。正点分布在卡片、标题、仪表弧和“20”处；负点位于面板外的背景、左侧表格和上方 Shipments 面板。"}},{"name":"Tag Avg per Day card","description":"Small bordered card at the upper-left of the RFID Tag Inventory panel, reading \"Tag Avg per Day\" with the value \"1\".","membership":"Includes the card's rounded boundary, white surface, complete label, and value. Excludes the adjacent inventory title and gauge.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标是 RFID Tag Inventory 面板左上角的小圆角白色卡片，包含完整边框、“Tag Avg per Day”标签及数值“1”，不含旁边标题和仪表。首个合格帧为0.00秒，最后为12.75秒，期间卡片持续完整可见。区间覆盖视频首尾，两端均无区间外采样帧。选择0.00秒作为关键帧，卡片清晰且无遮挡。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[561.7,721.1,629.7,822.0],"positive_points":[[575,734],[605,739],[593,761],[595,794],[572,797],[619,803]],"negative_points":[[751,748],[668,929],[547,775],[590,861]],"evidence":"目标是 RFID Tag Inventory 面板左上角标有“Tag Avg per Day”和数值“1”的小卡片。边界框紧贴卡片的圆角边界，覆盖白色表面、完整标签及数值。正点分布在标签、数值和卡片表面；负点位于相邻标题、仪表图及卡片外侧背景。"}},{"name":"Need Tags purchase card","description":"Small bordered card at the upper-right of the RFID Tag Inventory panel, containing \"Need Tags?\" and the underlined \"Buy More\" link.","membership":"Includes the rounded card boundary, white surface, prompt, link, and internal downward indicator. Excludes the adjacent gauge and other inventory text.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标是 RFID Tag Inventory 面板右上角的小型圆角白色购买卡，包含“Need Tags?”、下划线“Buy More”和向下指示符。首个合格帧为0.00秒，最后为12.75秒；卡片边界与表面全程保持，11.50秒内部链接短暂刷新不改变卡片身份。区间覆盖视频起止，两端均无外侧采样帧。选择0.00秒作关键帧，卡片完整清晰且无遮挡。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[882,721.1,950,822],"positive_points":[[896.9,746.3],[932.8,747.8],[916.4,786.4],[897.7,763.4],[889.1,805.6],[940.6,804.2]],"negative_points":[[843.8,853.1],[810.2,749.3],[914.1,863.5],[967.2,771.5]],"evidence":"目标是 RFID Tag Inventory 面板右上角含“Need Tags?”和下划线“Buy More”的圆角卡片。框紧贴卡片外边界，覆盖白色表面、文字、链接及向下指示符。正点分布在卡片文字、指示符和表面上；负点位于相邻仪表、库存标题及卡片外背景，不包含在目标内。"}},{"name":"Bridge Panels production tooltip","description":"Dark hover box appearing beside the selected green production column. It reports \"Item Created On 06/11/2020\", \"Item Type Bridge Panels\", and \"Count of Items 1\".","membership":"Includes the dark tooltip body, its small pointer notch, and all three label-value lines. Excludes the underlying chart, date labels, and cursor.","id":"obj_011","temporal":{"status":"found","start_s":2.75,"end_s":5.0,"reference_s":3.25,"evidence":"目标是绿色生产柱旁带指向缺口的深色提示框，完整显示日期06/11/2020、类型Bridge Panels及数量1三行信息。首个合格帧为2.75秒，最后合格帧为4.75秒；前一帧2.50秒尚无提示框，后一帧5.00秒提示框已消失。选择3.25秒作为关键帧，框体、缺口和文字清晰完整，无明显遮挡。","start_frame":66,"end_frame":120,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[156.25,289.32,294.53,393.18],"positive_points":[[158.59,310.09],[170.31,299.7],[279.69,304.15],[210.16,320.47],[257.03,343.47],[208.59,366.47]],"negative_points":[[145.31,316.02],[134.38,293.77],[305.47,304.15],[274.22,410.98]],"evidence":"已找到绿色生产柱旁的深色悬浮提示框，三行内容分别显示创建日期06/11/2020、Bridge Panels及数量1。边界框覆盖提示框主体、左侧小尖角和全部文字；正点分布于尖角、深色主体及文字行，负点位于外部光标、绿色柱、紫色柱和下方背景。"}},{"name":"Bowman Highway status tooltip","description":"Dark hover box over the Job Status bars identifying \"Job Name Bowman Highway\", \"Percent Completed 25.69%\", and \"Highlighted 25.69%\".","membership":"Includes the tooltip body, pointer notch, and its complete label-value text through its slight movement and fading. Excludes the underlying bars, panel surface, and cursor.","id":"obj_012","temporal":{"status":"found","start_s":6.5,"end_s":7.0,"reference_s":6.5,"evidence":"目标是 Job Status 条形图上的深色提示框，含指针缺口及 Bowman Highway、Percent Completed 25.69%、Highlighted 25.69% 完整文字。首个合格帧为 6.50 秒，最后为 6.75 秒；前一帧 6.25 秒尚无提示框，后一帧 7.00 秒已开始淡出，按边界规则排除。选择 6.50 秒作为关键帧，框体和文字清晰且无遮挡。","start_frame":156,"end_frame":168,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[173.4,550.4,337.5,654.3],"positive_points":[[188,566],[325,567],[206,604],[288,583],[267,628],[176,636]],"negative_points":[[148,630],[150,590],[351,607],[151,665]],"evidence":"在 Job Status 面板中找到显示 Bowman Highway、Percent Completed 25.69% 和 Highlighted 25.69% 的深色悬浮提示框。边界框紧贴提示框主体及左侧指针缺口，包含全部标签和值。六个正点分布于框体、文字区域和指针上；四个负点位于框外的状态条及面板背景，排除底层图表。"}}]}
+{"video_id":6,"video_type":"desktop and application interfaces","targets":[{"name":"Digital instrument cluster","description":"Black, wide automotive dashboard graphic on the upper canvas, with tapered rounded sides, date and time at the top, side gauges, a central gear readout, and a glowing red “SPORT” label.","membership":"Includes the entire shaped black dashboard surface, its true outer boundary, and all enclosed graphics and readouts, including separately listed children. Excludes the controls below, surrounding editor canvas, and temporary blue selection outlines.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":5.5,"evidence":"目标是上方画布内两侧圆滑收窄的黑色仪表盘，包含顶部日期时间、侧边仪表、中央挡位及红色“SPORT”标签，不含下方按钮或蓝色选择框。首个合格帧为0秒，末个为11.75秒；全程外形完整，位置移动和内部挡位、转速变化不影响其连续身份。区间覆盖视频首尾，两端均无更外侧采样帧。选择5.5秒作为关键帧，仪表盘边界清晰、无选择框遮扰，内部读数易辨认。","start_frame":0,"end_frame":288,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[272,151.7,640.6,428.8],"positive_points":[[343.8,186.3],[568.4,191.9],[291,322.1],[614.7,328.7],[456.5,341.8],[456.5,401.7]],"negative_points":[[432.1,500.9],[500.5,502.8],[457,124.5],[668.9,311.8]],"evidence":"根据上方画布中带日期时间、两侧仪表、中央挡位数字及红色“SPORT”的黑色汽车仪表盘识别。边界框紧贴其圆角收窄的外轮廓，包含整个黑色表面及内部读数。正点分布在顶部、左右侧、中央挡位和底部标签；负点位于下方两个控制按钮以及上方、右侧的编辑器画布。"}},{"name":"Animated RPM gauge","description":"Bent horizontal tachometer inside the instrument cluster, rising diagonally from the lower left before extending right across the numbered scale. Its pale fill grows and retracts during gear changes, with a red high-RPM section at the right.","membership":"Includes the bent gauge track, animated fill, red end section, scale lines, tick marks, numerals, and RPM unit label. Follows these elements rather than enclosing the other dashboard readouts in a rectangular region. Excludes the speed readout above and gear readout below.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":5.25,"evidence":"目标是仪表盘内先从左下斜升、再向右水平延伸的转速表，包含轨道、浅色动态填充、右端红区、刻度数字及RPM单位，不含上方速度和下方档位读数。首个合格帧为0.00秒，结构已完整；末个合格帧为11.75秒，期间仅位置及填充长度变化，始终持续可见。区间覆盖视频首尾，两端均无额外采样帧可检查。选择5.25秒作为关键帧，浅色填充与红区清楚，刻度和弯折轮廓完整且无遮挡。","start_frame":0,"end_frame":288,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[355.5,240.6,557.1,378.3],"positive_points":[[370.6,308.1],[394.0,258.4],[466.8,254.7],[539.1,254.7],[493.7,292.1],[374.0,372.7]],"negative_points":[[534.7,227.5],[456.5,339.0],[312.0,311.8],[456.1,399.8]],"evidence":"目标是仪表中央由左下斜升后向右延伸的转速表。边界框覆盖浅色弯折轨道、红色高转速段、刻度线、数字及RPM单位标签；不表示框内其他读数也属于目标。正点分布在斜段、弯折处、水平填充、红段、刻度数字和单位标签上；负点位于上方速度读数、下方挡位数字、左侧温度表及底部SPORT标识。"}},{"name":"Central gear readout","description":"Large white transmission readout centered beneath the RPM scale, initially showing “P” and subsequently displaying numbered gears.","membership":"Includes only the currently displayed gear text as one updating readout. Excludes the black dashboard backing, RPM gauge, and “SPORT” label.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":1.5,"evidence":"目标是RPM刻度下方、SPORT标签上方居中的大型白色挡位文字，起初为P，随后更新为数字挡位，属于同一读数。首个合格帧为0.00秒，最后为11.75秒，文字在整个区间持续可见且结构完整。区间覆盖视频首尾，两端均无额外采样帧可检查。选择1.50秒作为关键帧，此时P字清晰完整，无鼠标遮挡或选择框干扰。","start_frame":0,"end_frame":288,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[449.7,325.8,463.9,353.9],"positive_points":[[450.7,328.7],[457.0,327.7],[462.4,333.3],[458.0,341.8],[450.7,339.9],[450.7,351.1]],"negative_points":[[440.9,337.1],[472.2,337.1],[463.0,292.1],[457.0,400.7]],"evidence":"目标是仪表盘中央、RPM刻度下方的大号白色“P”。边界框紧贴当前挡位字符；六个正点分布在P的竖笔、顶部及右侧弧形笔画上。负点位于字符左右的黑色背景、上方RPM刻度及下方SPORT标签，均不属于挡位读数。"}},{"name":"Previous gear button","description":"Gray square control bearing a white left-pointing arrow, positioned below the dashboard to the left of the matching forward control.","membership":"Includes the square button surface, boundary, and arrow. Excludes the wider dark control strip and the neighboring right-arrow button.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":1.5,"evidence":"目标是仪表盘下方、右箭头按钮左侧的灰色方形左箭头按钮，包含方形表面、边界及白色箭头。首个合格帧为0秒，最后合格帧为11.75秒；期间虽随画布移动，但始终完整可见。区间覆盖视频首尾，两端均无区间外采样帧。选择1.5秒作为关键帧，此时按钮清晰完整，无遮挡，易与右侧按钮及背景控制条区分。","start_frame":0,"end_frame":288,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[420.9,480.3,444.3,524.3],"positive_points":[[424.8,487.8],[439.5,488.8],[431.6,501.9],[425.3,515.0],[439.5,515.0],[437.5,503.7]],"negative_points":[[500.0,501.9],[400.4,501.9],[432.1,456.9],[432.1,535.6]],"evidence":"目标是仪表盘下方、右箭头按钮左侧的灰色左箭头方形按钮。边界框紧贴按钮表面及边缘；正点分布在灰色表面和白色箭头上，负点位于周围深色控制条及右箭头按钮上。"}},{"name":"Next gear button","description":"Gray square control bearing a white right-pointing arrow below the dashboard. It is repeatedly operated as the displayed gear increases.","membership":"Includes the square button surface, boundary, and arrow. Excludes the surrounding dark strip, the left-arrow button, and the recording cursor.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":1.5,"evidence":"目标是仪表盘下方右侧的灰色方形按钮，内有白色向右箭头，与左箭头按钮及深色底条区分明确。首个合格帧为0.00秒，最后为11.75秒；按钮在全部采样帧中结构完整可见，随画布移动及被操作均未消失。区间覆盖视频首尾，边界外没有采样帧。选择1.50秒作为关键帧，此时按钮轮廓和箭头清晰，且没有光标遮挡。","start_frame":0,"end_frame":288,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[488.77,480.34,511.72,524.34],"positive_points":[[491.7,486.89],[507.81,486.89],[499.51,501.87],[492.19,515.92],[507.81,514.98],[505.86,502.81]],"negative_points":[[432.13,501.87],[473.63,505.62],[501.46,544.94],[690.92,415.73]],"evidence":"目标是仪表盘下方右侧带白色右箭头的灰色方形按钮。框紧贴按钮边界，涵盖方形表面及箭头；正点分布于按钮表面和箭头，负点位于左箭头按钮、周围深色条带、下方背景及右侧录制光标处。"}},{"name":"Gear animation state-machine diagram","description":"Connected node diagram occupying the lower workspace under the “rpm v2” tab. It begins with “Entry” and “Gear P” at the left and branches through gear and idle states toward “Gear 6” at the right.","membership":"Includes all visible state-node boxes and their contents, connecting paths, and circular transition markers as one diagram. Excludes the surrounding workspace background, editor tabs and toolbars, and the separate animation list at the far left. Temporary blue execution highlights do not enlarge the diagram's region.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":0,"evidence":"目标是下方“rpm v2”标签下的连通状态机图：从左侧 Entry、Gear P 延伸至右侧 Gear 6，包含节点框、连线和圆形转换标记。首个合格帧为0秒，最后一个为11.75秒；整个区间图结构持续存在，蓝色执行高亮变化不改变其身份。区间覆盖视频首尾，边界外没有采样帧。选择0秒作为关键帧，节点布局清晰且无执行高亮干扰。","start_frame":0,"end_frame":288,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[162.1,651.7,887.7,932.6],"positive_points":[[175.3,778.1],[343.8,668.1],[439.5,920.4],[541.5,664.8],[699.2,726.6],[866.7,912.9]],"negative_points":[[73.2,786.5],[585.9,618.9],[761.7,524.3],[502.9,971.9]],"evidence":"目标是“rpm v2”标签下从 Entry、Gear P 延伸至 Gear 6 的状态机图。边界框覆盖全部可见状态节点、连接路径和圆形转换标记。正点分布在左右节点、上下分支及转换标记上；负点位于左侧动画列表、上方工具栏和图外工作区背景，不包含图内自然空隙。"}},{"name":"State-machine playback control","description":"Small play control at the left edge of the toolbar above the node diagram, immediately before “100%”. It changes to a pause symbol when the demonstration starts running.","membership":"Includes the playback control's visible play or pause glyph in its consistent toolbar location. Excludes the neighboring percentage, tabs, toolbar backing, and cursor.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":5.5,"evidence":"目标是节点图上方工具栏最左侧、紧邻“100%”之前的播放控件；开始时为三角播放符号，3.50秒起变为暂停双竖线，位置保持一致。首个合格帧为0.00秒，最后为11.75秒，整个区间内持续存在，符号变化不改变其身份。区间已覆盖视频首尾，两端均无更外侧采样帧。选择5.50秒作为关键帧，暂停符号清晰，鼠标远离，便于排除邻近百分比及工具栏背景。","start_frame":0,"end_frame":288,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[138.67,611.42,144.04,624.53],"positive_points":[[138.92,614.23],[138.92,617.98],[138.92,621.72],[143.55,614.23],[143.55,617.98],[143.55,621.72]],"negative_points":[[156.25,617.98],[179.2,617.98],[140.63,637.64],[140.63,596.44]],"evidence":"目标位于节点图上方工具栏左端、100%之前，当前显示为暂停符号。边界框紧贴两条暂停竖杠；六个正点分布在两条竖杠上，负点位于邻近百分比、gear标签及上下方背景，不包含工具栏底色或其他控件。"}}]}
+{"video_id":7,"video_type":"desktop and application interfaces","targets":[{"name":"Zwift route tracking table","description":"The table on Sheet3 lists cycling routes under Route, World, Distance (mi), Elevation (ft), and Points (XP), with an adjacent column of green Complete statuses. Route-name cells acquire pale green fills as the conditional formula is completed.","membership":"Includes the visible table from its header row through the lowest visible route rows, across the route-name column through the completion-status column, including cell surfaces, gridlines, and contents. Excludes unused grid space to the right, sheet tabs, application toolbars, and selection indicators.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":33.0,"reference_s":16.5,"evidence":"目标是Sheet3左侧从Route、World、Distance (mi)、Elevation (ft)、Points (XP)表头延伸至绿色Complete状态列的路线表。首个合格帧为0.00秒，最后为32.75秒，期间表格持续存在，路线名单元格后来出现浅绿色填充并不改变其身份。区间覆盖视频首尾，两端均无额外采样帧可检查。选择16.50秒为关键帧，此时表格清晰、无弹出菜单遮挡，且浅绿色填充与Complete状态均可见。","start_frame":0,"end_frame":792,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[31.6,284.5,452.4,883.0],"positive_points":[[54.1,297.3],[131.3,440.7],[217.4,583.3],[291.1,744.4],[358.7,861.4],[420.3,769.2]],"negative_points":[[551.1,520.8],[242.5,916.7],[15.5,584.9],[861.7,653.0]],"evidence":"根据 Route、World、Distance (mi)、Elevation (ft)、Points (XP) 表头及右侧绿色 Complete 状态识别表格。边界覆盖 A 至 F 列，从表头到最下方部分可见的路线行，包括单元格底色、网格线和内容。正点分布于各列及不同高度的表格内容；负点位于右侧空白网格、底部工作表标签、左侧行号和条件格式面板。选中框及手柄不属于目标。"}},{"name":"Conditional format rules sidebar","description":"The right-hand editing panel titled Conditional format rules. Single color is selected, the range is A2:A, and the rule uses Custom formula is, with formatting controls below.","membership":"Includes the sidebar surface, boundary, title, tabs, range field, rule controls, formula field, formatting preview and controls, Cancel and Done buttons, and Add another rule. The separately identified formula field remains part of this panel. Excludes floating formatting menus and the spreadsheet behind it.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":33,"reference_s":16.5,"evidence":"右侧标题为“Conditional format rules”的侧栏，包含 Single color、A2:A 范围、Custom formula is、公式框及格式和保存控件，与目标一致。首个合格帧为0.00秒，末个为32.75秒；侧栏始终存在，内部公式变化及后期浮动菜单遮挡不改变其连续身份。区间覆盖视频首尾，边界外无采样帧。选择16.50秒作为关键帧，侧栏完整清晰且无浮动菜单遮挡。","start_frame":0,"end_frame":792,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[790.1,188.3,999.5,894.2],"positive_points":[[869,219],[891,381],[857,563],[898,652],[956,756],[860,829]],"negative_points":[[748,564],[685,274],[917,151],[967,917]],"evidence":"右侧标题为“Conditional format rules”的编辑侧栏与描述一致，显示 A2:A、自定义公式和格式设置。边界框覆盖侧栏完整表面及其标题、字段、按钮和底部新增规则区域，不包含下方全局栏。正点分布在标题、范围字段、公式字段、格式预览、Done 按钮及新增规则处；负点位于左侧表格、上方工具区和下方全局栏。"}},{"name":"Custom formula input","description":"The input below Custom formula is in the sidebar, where =F2 is progressively expanded to =F2=\"Complete\". Its border temporarily turns red while the expression is incomplete.","membership":"Includes the input's rectangular surface, border, and entered formula throughout its editing and validation states. Excludes the dropdown above, surrounding labels, mouse pointer, and text caret.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":33,"reference_s":16.5,"evidence":"目标是右侧条件格式栏中“Custom formula is”下方的矩形输入框；公式从 =F2 逐步变为 =F2=\"Complete\"，边框经历蓝色和红色验证状态。首帧0.00秒已完整呈现，末帧32.75秒虽被颜色面板部分遮挡，但输入框右侧结构仍可见，属于同一持续出现。区间到达视频两端，没有更早或更晚的相邻采样帧。选择16.50秒：输入框无遮挡，完整公式及边框清晰。","start_frame":0,"end_frame":792,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[802.6,540.9,916.8,581.7],"positive_points":[[807,549],[823,562],[846,562],[867,561],[908,550],[900,575]],"negative_points":[[863,510],[815,618],[942,560],[859,380]],"evidence":"目标是右侧条件格式侧栏中、“Custom formula is”下方显示 =F2=\"Complete\" 的蓝框输入框。边界框紧贴输入框表面与边框；六个正点分布在框内表面和公式文字上，避开文字插入光标。负点位于上方下拉框、下方标签、右侧背景及其他输入框，均不属于目标。"}},{"name":"Default formatting presets menu","description":"A floating white menu opened beneath the Default formatting preview, showing six 123 sample tiles in colored-fill or colored-text styles and a Custom format option.","membership":"Includes the complete popup surface and boundary, all six sample tiles, their labels and selection mark, the divider, and Custom format control. Excludes the Default preview above and the sidebar behind it.","id":"obj_004","temporal":{"status":"found","start_s":28.25,"end_s":29.0,"reference_s":28.5,"evidence":"目标是 Default 预览下方的白色浮动菜单，完整包含六个“123”样式 tiles、选中标记、分隔线和 Custom format 控件。首个符合帧为 28.25 秒，最后为 28.75 秒；前一帧 28.00 秒仅有 Default 预览，菜单尚未打开，后一帧 29.00 秒菜单已关闭。选择 28.50 秒作为关键帧，菜单完整清晰且遮挡极少。","start_frame":678,"end_frame":696,"reference_frame":684},"grounding":{"status":"found","bbox_xyxy":[802.1,671.5,986,898.2],"positive_points":[[836,715],[895,715],[954,714],[836,771],[953,772],[889,858]],"negative_points":[[891,650],[875,611],[779,765],[979,920]],"evidence":"目标是右侧 Default 预览下方展开的白色浮动菜单。边界框覆盖完整弹窗、六个 123 样式示例、选中标记、分隔线及 Custom format 控件，不包含上方预览。正点分布在样式示例和底部自定义控件上；负点位于上方预览、侧栏其他区域、左侧表格和弹窗下方。"}},{"name":"Text color palette","description":"The floating palette opened from the formatting style's text-color control. It displays None, rows of grayscale and colored swatches, and THEME and CUSTOM sections; the pointer moves among the grayscale choices.","membership":"Includes the palette's white surface and boundary, None option, all color swatches, section labels, and theme-edit and custom-color controls. Excludes the underlying sidebar and spreadsheet, the toolbar control that opened it, tooltips, cursor, and click-emphasis ring.","id":"obj_005","temporal":{"status":"found","start_s":30.25,"end_s":33.0,"reference_s":30.5,"evidence":"目标是从格式样式文字颜色控件打开的白色浮动调色板，包含 None、灰阶和彩色色块，以及 THEME 和 CUSTOM 区域。首个完整可见帧为30.25秒，最后 qualifying 帧为32.75秒；前一��30.00秒只有文字颜色控件及提示，尚未打开调色板。目标持续至视频结束33.00秒，此后无采样帧。选择30.50秒作为关键帧，面板边界及全部控件清晰，指针位于面板之外，遮挡极少。","start_frame":726,"end_frame":792,"reference_frame":732},"grounding":{"status":"found","bbox_xyxy":[739.5,286.9,908.8,679.5],"positive_points":[[786,316],[846,350],[769,430],[877,503],[810,580],[774,651]],"negative_points":[[701,440],[951,445],[891,692],[955,755]],"evidence":"目标是右侧条件格式侧栏上方展开的文字颜色浮动面板，可见 None、灰阶和彩色样本以及 THEME、CUSTOM 分区。边框覆盖整个白色面板及其内部控件，不含阴影、下方文字颜色按钮和光标。六个正点分布于选项、色块及分区内容；四个负点位于左侧表格、右侧底层侧栏、下方文字颜色按钮和 Done 按钮。"}}]}
+{"video_id":8,"video_type":"desktop and application interfaces","targets":[{"name":"Blog Editorial Calendar title","description":"Large bold page heading reading \"Blog Editorial Calendar\" above the database views.","membership":"Includes only the heading text. Excludes the newspaper icon to its left, breadcrumbs, and nearby page controls.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":33,"reference_s":0,"evidence":"目标是数据库视图上方的大号粗体“Blog Editorial Calendar”标题文字，不包括左侧报纸图标。首个合格帧为0.00秒，最后为32.75秒，标题在整个采样序列中持续完整可见。区间到达视频起点和终点，两端均无区间外采样帧。选择0.00秒作为关键帧，标题清晰、无遮挡，便于单独标注文字。","start_frame":0,"end_frame":792,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[110.9,107.4,377.6,149.1],"positive_points":[[113.5,123.1],[130.2,123.1],[171.9,123.1],[185.9,126.9],[275.0,124.1],[371.9,121.3]],"negative_points":[[88.5,124.1],[232.0,74.1],[249.0,194.4],[396.0,126.9]],"evidence":"目标是数据库视图上方的大号粗体“Blog Editorial Calendar”标题。边界框仅覆盖完整标题文字，不含左侧报纸图标。正点分布在标题各部分的字形笔画上；负点位于左侧图标、标题上下的外部区域及右侧空白。"}},{"name":"Database view toolbar","description":"Horizontal toolbar beneath the heading, initially showing \"Calendar view\", \"All items\", \"By content type\", \"By status\", and \"By writer\". It also contains the add-view control, filtering, sorting, search, view options, and the blue \"New\" button; \"New view\" later appears among the tabs.","membership":"Includes the complete database toolbar, its tab icons and labels, selection underline, and action controls. Excludes the page heading, calendar navigation below, and panels opened from the toolbar.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":33,"reference_s":2.5,"evidence":"目标是标题下方横向数据库工具栏，包含视图标签、选中下划线、加号、Filter、Sort、搜索、视图选项及蓝色 New 按钮；不包含下方月份导航或展开的侧面板。首个合格帧为 0.00 秒，末个为 32.75 秒，工具栏始终完整可见，后来新增 New view 标签不改变其身份。区间覆盖视频全长，两端均无界外采样帧。选择 2.50 秒作关键帧，此时工具栏清晰完整，未被展开面板或提示遮挡。","start_frame":0,"end_frame":792,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[72.4,174.1,928.1,222.2],"positive_points":[[127.6,194.4],[213.5,194.4],[305.2,194.4],[482.3,194.4],[768.8,194.4],[895.8,194.4]],"negative_points":[[275.5,123.1],[105.2,251.9],[887.5,251.9],[500,402.8]],"evidence":"目标是标题下方横向数据库工具栏。边界覆盖所有视图标签及图标、选中下划线、添加视图按钮，以及右侧筛选、排序、搜索、选项和蓝色 New 按钮。正点分布在不同标签和操作控件上；负点位于上方页面标题、下方月份与 Today 导航及日历区域，均不属于工具栏。"}},{"name":"Editorial calendar","description":"Monthly calendar initially displaying March 2023, then April 2023 with editorial cards such as \"Feature launch\", \"Blog post #10\", and \"Podcast #5\". Cards show colored categories, statuses, and writer names.","membership":"Includes the month heading, previous/next and \"Today\" navigation, weekday headings, calendar grid, date numbers, and all cards within the grid. Excludes the database toolbar and overlaid settings panels. Its lower portion extends beyond the visible frame.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":32.5,"reference_s":4,"evidence":"目标为包含月份标题、Today及前后导航、星期标题、日期网格和编辑卡片的月历；初为March 2023，2.25秒起为April 2023。首个合格帧为0秒，视频起点之前无帧；最后合格帧为32.25秒，期间右侧设置面板仅遮挡部分月历。32.5秒月历被表格视图替换，连续出现结束。选择4秒作为关键帧，月历无遮挡，Feature launch、Blog post #10和Podcast #5等卡片清晰可见；底部延伸出画面符合目标说明。","start_frame":0,"end_frame":780,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[71.9,234.3,928.1,1000],"positive_points":[[102.5,250.9],[888.1,251.5],[134.8,403.7],[495.2,561.1],[372.5,923.8],[618.3,953.6]],"negative_points":[[117.5,194.2],[802.2,194.9],[297.9,125.1],[966.1,575.9]],"evidence":"图中显示 April 2023 编辑日历，并有 Feature launch、Blog post #10、Podcast #5 等卡片。边界框覆盖月份标题、日期导航、星期标题及完整可见网格与卡片，下缘截于图像底部。正点分布在月份、Today 导航、网格内部和代表性卡片上；负点位于上方数据库工具栏、页面标题及右侧外部空白。"}},{"name":"Calendar view settings panel","description":"Right-side panel opened from the toolbar’s ellipsis. It first displays \"View options\" and then \"Layout\", with six layout choices and calendar settings including \"Show calendar by\", \"Show calendar as\", and \"Open pages in\".","membership":"Includes the panel surface, boundary, headings, close and back controls, fields, layout tiles, and settings rows throughout its navigation changes. Excludes the calendar behind it and the separately opened date-property dropdown.","id":"obj_004","temporal":{"status":"found","start_s":8.0,"end_s":32.5,"reference_s":12.0,"evidence":"目标是右侧由省略号打开的设置面板，先显示“View options”，随后导航到“Layout”，包含六种布局及日历设置行；不包含独立的日期属性下拉框。首个完整帧为8.00秒，之前7.75秒仅见工具提示、尚无面板。最后符合帧为32.25秒，32.50秒被“New view”创建面板替换。选择12.00秒作为关键帧，此时面板边界和布局控件清楚，且无遮挡下拉框。","start_frame":192,"end_frame":780,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[699,221,928,1000],"positive_points":[[755,258],[742,341],[880,432],[790,575],[818,654],[809,864]],"negative_points":[[619,594],[501,767],[854,194],[966,556]],"evidence":"右侧显示“Layout”、六个布局选项及三行日历设置，确定为目标设置面板。框覆盖从左侧分隔线到数据库右缘、从工具栏下方至图像底部的面板区域。正点分布在标题、布局卡片、设置行和面板下部表面；负点位于左侧日历、上方工具栏及右侧外部空白。"}},{"name":"Calendar date-property dropdown","description":"Floating dropdown opened beneath \"Show calendar by\" in the Layout panel. It contains \"Search for a property...\", the checked \"Publish date\" option, and \"Deadline\".","membership":"Includes the dropdown’s rounded surface and boundary, search field, option rows, calendar icons, and check mark. Excludes the underlying settings panel and the row that opens the dropdown.","id":"obj_005","temporal":{"status":"found","start_s":23.25,"end_s":30.5,"reference_s":23.5,"evidence":"目标是 Layout 面板中“Show calendar by”下方的浮动下拉框，完整包含搜索框、带勾的“Publish date”和“Deadline”两项。首个合格帧为23.25秒，最后一个为30.25秒；此前23.00秒尚未出现下拉框，此后30.50秒下拉框已关闭。选择23.50秒作为关键帧，面板边界及各选项清晰完整，遮挡极少。","start_frame":558,"end_frame":732,"reference_frame":564},"grounding":{"status":"found","bbox_xyxy":[688,594.4,925,747.2],"positive_points":[[712,623],[890,623],[711,680],[780,680],[906,680],[751,719]],"negative_points":[[783,575],[816,521],[658,725],[812,786]],"evidence":"目标是 Layout 面板中“Show calendar by”下方展开的浮动日期属性菜单。边界框紧贴菜单圆角表面，包含搜索框、已勾选的“Publish date”和“Deadline”选项，不含上方触发行。正点分布在搜索框、选项行、日历图标及勾选标记上；负点位于上方触发行、底层设置面板、左侧日历和菜单下方背景。"}},{"name":"Editorial database table","description":"Table appearing when a new view is started. Visible columns include \"Name\", \"Audience\", \"Deadline\", and \"Publish date\"; rows include two \"How Acme uses Acme\" entries and the other editorial items.","membership":"Includes the table header, cell grid, row icons and values, the bottom \"New\" row, and calculation footer. Excludes the page title, database toolbar, and new-view configuration panel covering its right side.","id":"obj_006","temporal":{"status":"found","start_s":32.5,"end_s":33.0,"reference_s":32.5,"evidence":"32.50秒首次出现完整建立的编辑数据库表格，可见 Name、Audience、Deadline、Publish date 列，以及两条 How Acme uses Acme 和其他编辑项目；包含底部 New 行和 Calculate 页脚。前一帧32.25秒仍为日历视图，尚未出现该表格。最后 qualifying 帧为32.75秒，表格仍在，视频于33.0秒结束，无后续帧。选择32.50秒作为关键帧，表头、行网格和页脚清晰，可与右侧新视图配置面板区分。","start_frame":780,"end_frame":792,"reference_frame":780},"grounding":{"status":"found","bbox_xyxy":[71.9,222.2,699,671.3],"positive_points":[[506,246],[164,340],[346,477],[665,569],[99,617],[274,660]],"negative_points":[[242,124],[313,194],[813,491],[392,773]],"evidence":"根据 Name、Audience、Deadline、Publish date 表头及两条“How Acme uses Acme”等条目识别该表格。边界框覆盖可见表头、网格、条目、底部 New 行和 Calculate 页脚，右侧止于配置面板遮挡处。正点分布在表头、不同列的单元格及底部两行；负点位于页面标题、数据库工具栏、右侧配置面板和表格下方空白。"}},{"name":"New view configuration panel","description":"Right-side panel titled \"New view\" in the final frame. It presents a view-name field, six layout choices with \"Table\" selected, table display settings, and a blue \"Done\" button.","membership":"Includes the panel surface and boundary, title, close control, name field and icon, layout tiles, explanatory text, toggles, page-opening setting, \"Done\" button, and help link. Excludes the database table behind it and the \"New view\" tab in the toolbar.","id":"obj_007","temporal":{"status":"found","start_s":32.5,"end_s":33.0,"reference_s":32.75,"evidence":"32.5秒首次出现完整的右侧“New view”配置面板，包含名称输入框、六种布局、选中的Table、显示设置及蓝色Done按钮；32.75秒仍完整可见，为最后合格帧。前一帧32.25秒显示的是Layout设置面板，尚非目标。区间延伸至视频结尾33.0秒，无后续帧。选择32.75秒作为关键帧，因为面板边界与各控件清晰完整，易与背后的表格和工具栏标签区分。","start_frame":780,"end_frame":792,"reference_frame":786},"grounding":{"status":"found","bbox_xyxy":[699,223,1000,1000],"positive_points":[[743,258],[835,309],[743,394],[884,489],[903,634],[815,766]],"negative_points":[[554,193],[519,293],[394,477],[276,659]],"evidence":"右侧标题为“New view”的配置面板，包含名称输入框、六种布局、显示设置、Done 按钮和帮助链接。框覆盖从左侧分隔线、工具栏下缘至图像右下边缘的面板区域；正点分布于标题、输入框、布局选项、开关及按钮，负点位于面板外的数据库表格和顶部 New view 标签。"}}]}
+{"video_id":9,"video_type":"desktop and application interfaces","targets":[{"name":"Projects database","description":"The central database headed “Projects,” with All, Active, Timeline, Board, and Status Breakdown views. Its four project rows show owners, colored status and priority tags, completion percentages, and subsequently linked planning pages.","membership":"Include the database title and icon, view tabs, database toolbar, column headers, table cells, new-project row, and completion summary. Include the added relation column within the database. Exclude application navigation, property-setting panels, floating selectors, cursor, and selection outlines.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":20.5,"reference_s":20.0,"evidence":"通过“Projects”标题和图标、五个视图标签、工具栏及四行项目表格识别目标；新增关联列属于同一数据库。首个合格帧为0.00秒，数据库已完整建立，视频起点之前无采样帧。最后合格帧为20.25秒；紧接的20.50秒已切换为“Rollups”标题页，数据库消失。选择20.00秒作为关键帧，因为数据库及关联列清晰可见，无属性面板、浮动选择器或选择轮廓遮挡。","start_frame":0,"end_frame":492,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[133.9,217.6,866.7,616.7],"positive_points":[[202,236],[275,290],[830,292],[354,428],[711,473],[366,607]],"negative_points":[[209,139],[857,139],[111,450],[500,740]],"evidence":"根据“Projects”标题、五个视图标签和四条项目记录识别数据库。边界框覆盖标题图标、视图与工具栏、全部表格列（含关联规划页面列）、新增项目行及底部完成汇总。正点分布于标题、视图、新建按钮、状态单元格、关联页面和汇总；负点位于顶部应用导航、分享控件及数据库外空白处。"}},{"name":"Relation property configuration panel","description":"The right-hand panel initially titled “New relation,” containing the name “Go-to-market planning” and an Add relation button. It updates to “Edit property,” showing Relation type, the related database, No limit, Two-way relation, and Delete property.","membership":"Include the panel surface, boundary, heading, name field, icons, settings, buttons, and help link. Exclude the adjacent database and the separately bounded floating two-way-relation popover.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":12.75,"reference_s":2,"evidence":"目标是右侧关系属性配置面板：起初标题为“New relation”，随后更新为“Edit property”，保留名称字段、关系设置和帮助链接。首个合格帧为0.00秒，面板已完整��示；视频起点之前无采样帧。最后合格帧为12.50秒，12.75秒面板已消失，仅剩数据库。6.50秒起出现的独立双向关系浮层不属于目标，也不打断面板的持续存在。选择2.00秒作为关键帧，此时面板清晰完整且无浮层遮挡。","start_frame":0,"end_frame":306,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[670.3,318.5,930.7,930.6],"positive_points":[[732.3,345.4],[772.4,396.7],[811.5,449.4],[714.2,552.9],[737.5,660.7],[859.4,790.6]],"negative_points":[[584.4,342.6],[458.9,430.6],[647.5,740.7],[852.9,290.6]],"evidence":"目标是右侧标题为“Edit property”的关系属性配置面板，可见“Go-to-market planning”、Relation、No limit、Two-way relation、Delete property及帮助链接。边框覆盖从左侧分隔线到窗口右缘、从面板顶部到窗口底部的可见面板区域。正点分布于标题、名称字段、设置、帮助链接和面板表面；负点位于左侧数据库及上方独立工具栏，均不属于面板。"}},{"name":"Go-to-market planning relation column","description":"The added rightmost named column in Projects, identified by a diagonal-arrow icon and “Go-to-market planning.” Its initially empty cells acquire Databases 2.0, AI Improvements, Conference 2025, and AI Improvements links for the four project rows.","membership":"Include the column header, icon, and four corresponding table cells with their surfaces, boundaries, and linked-page contents. Exclude neighboring columns, the add-property control, floating page selectors, cursor, and blue selection indicators.","id":"obj_003","temporal":{"status":"found","start_s":0.25,"end_s":20.5,"reference_s":19.5,"evidence":"依据 Projects 表格最右侧的“Go-to-market planning”列标题、随后出现的斜箭头图标及四行关联内容识别目标。0.25 秒列头与四个单元格的表面和边界已建立；此前 0.00 秒仍是新增关系面板，表格中尚无此列。最后符合帧为 20.25 秒，20.50 秒切换为“Rollups”标题页。选择 19.50 秒作为关键帧，四行链接均完整显示，没有浮动选择器或蓝色选框遮挡。","start_frame":6,"end_frame":492,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[652.6,320.4,787,539.8],"positive_points":[[663.9,341.7],[729.2,342.6],[705.7,384.3],[740.6,428.7],[710.9,472.2],[753.6,518.5]],"negative_points":[[596.4,428.7],[796.9,341.7],[714.6,562.0],[452.1,472.2]],"evidence":"通过斜向箭头图标和“Go-to-market planning”表头识别目标。边界框覆盖该列表头及下方四个关系单元格的表面、边界和链接内容。正点分布于表头与四行单元格；负点位于左侧其他列、右侧添加属性按钮及表格下方，均不属于目标列。"}},{"name":"Two-way relation settings popover","description":"A small floating card opened below the Two-way relation setting in the property panel. It contains an Enable switch and a Related property name field displaying “Projects”; the switch changes on and then off.","membership":"Include the complete bounded popover surface and its labels, switch, and input field. Exclude the parent panel settings outside the card, cursor, and transient focus effects.","id":"obj_004","temporal":{"status":"found","start_s":6.5,"end_s":11.5,"reference_s":8.75,"evidence":"目标是 Two-way relation 设置下方的独立浮动卡片，包含 Enable 开关和显示 Projects 的 Related property name 输入框。首个完整呈现帧为 6.50 秒，最后一个符合条件的帧为 11.25 秒；6.25 秒尚未打开卡片，11.50 秒卡片已关闭，仅剩父面板。选择 8.75 秒作为关键帧，卡片边界与内部控件清晰，开关为开启状态，且无光标遮挡。","start_frame":156,"end_frame":276,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[691.7,568.5,861,713],"positive_points":[[713,596.3],[842.2,596.3],[745.8,635.2],[724.5,675.9],[831.8,677.8],[783.3,700]],"negative_points":[[728.1,552.8],[686.5,606.5],[779.2,483.3],[880.2,648.1]],"evidence":"目标是右侧属性面板中“Two-way relation”下方的浮动卡片。边界框覆盖完整卡片表面、Enable 标签及开关、Related property name 标签和显示 Projects 的输入框，不含阴影及外部设置。正点分布于卡片标签、开关、输入框和底部表面；负点位于上方父面板设置、左侧删除图标及右侧外部背景。"}},{"name":"Planning-page selector for New Database View Types","description":"The first floating relation selector opens beside the first project row. It lists pages in Go-to-market planning, including Databases 2.0, Integration gallery, Conference 2025, AI Improvements, Better text editing, and Permissions launch. It updates to show Databases 2.0 selected.","membership":"Include the entire selector card, its search field, database heading, selection count or prompt, page entries, icons, and add or remove controls. Exclude the underlying table and cursor.","id":"obj_005","temporal":{"status":"found","start_s":14.25,"end_s":16.0,"reference_s":15.5,"evidence":"目标是首行 New Database View Types 旁的 Go-to-market planning 浮动关联选择卡。14.25 秒卡片表面、边界和搜索栏已完整出现，内部仍在加载；随后列出规划页面，并显示 Databases 2.0 已选中。最后符合条件的帧为 15.75 秒；前一帧 14.00 秒尚无卡片，后一帧 16.00 秒卡片已关闭，仅留下表格中的关联值。选择 15.50 秒作为关键帧，卡片完整清晰，已选项、其他页面及加减控件易于辨认。","start_frame":342,"end_frame":384,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[651.6,361.1,921.4,741.7],"positive_points":[[701,381],[852,383],[710,469],[723,549],[879,625],[732,708]],"negative_points":[[770,483],[594,427],[723,341],[796,776]],"evidence":"目标是第一行项目右侧展开的 Go-to-market planning 关联页面选择卡，显示“1 selected”和已选 Databases 2.0。边界框覆盖整张卡片，包括顶部搜索栏、数据库标题、页面列表及移除控件。正点分布在顶部、已选条目、列表和卡片表面；负点位于被排除的鼠标光标、左侧底层表格、上方表头及卡片下方背景。"}},{"name":"Planning-page selector for Mobile App Offline Mode Redesign","description":"A later relation selector opens beside the third project row, below the already populated first two links. It shows available planning pages and then Conference 2025 as the selected page.","membership":"Include the complete floating selector surface, boundary, search field, database heading, prompts, selected and available page lists, icons, and controls. Exclude the underlying database and cursor.","id":"obj_006","temporal":{"status":"found","start_s":17.25,"end_s":18.0,"reference_s":17.75,"evidence":"目标是第三行“Mobile App Offline Mode Redesign”旁的浮动关联页面选择器，上方两行已有链接。首个完整帧为17.25秒，最后符合帧为17.75秒，此时“Conference 2025”显示为已选页面。此前17.00秒没有浮动选择器；此后18.00秒第三行已填入链接，选择器改为第四行使用，故不合并。选择17.75秒作为关键帧，面板边界、搜索栏、数据库标题及已选和可选页面列表均清晰完整。","start_frame":414,"end_frame":432,"reference_frame":426},"grounding":{"status":"found","bbox_xyxy":[651.6,449.1,921.9,830.6],"positive_points":[[707,470],[859,471],[716,557],[903,557],[716,718],[737,796]],"negative_points":[[614,473],[709,428],[761,662],[807,865]],"evidence":"目标是第三个项目行右侧展开的规划页面关系选择器，含已选 Conference 2025 和下方可选页面。边界框覆盖整个浮动面板、顶部搜索栏及数据库标题、列表和控件。正点分布于搜索栏、标题、已选项、移除按钮及下方列表；负点位于底层表格、上方已有链接、明确排除的鼠标光标和面板外背景。"}},{"name":"Planning-page selector for AI Meeting Notes Feature Expansion","description":"The relation selector opened beside the fourth project row after Conference 2025 appears in the third row. It presents planning pages including Conference 2025 and AI Improvements before the fourth row receives AI Improvements.","membership":"Include the bounded floating selector, its search field, database heading, page list, icons, and controls. Exclude the underlying table, cursor, and subsequent selected-cell outline.","id":"obj_007","temporal":{"status":"found","start_s":18.0,"end_s":18.75,"reference_s":18.25,"evidence":"目标是第四行 AI Meeting Notes Feature Expansion 旁的浮动关联选择器，包含搜索框、Go-to-market planning 标题、页面列表及控件。首个合格帧为18.00秒，此时第三行已显示 Conference 2025；最后合格帧为18.50秒，选择器内部显示已选 AI Improvements。前一帧17.75秒仍是第三行的选择器，后一帧18.75秒浮窗已关闭，仅剩第四行选中单元格边框。选择18.25秒为关键帧，因为浮窗边界完整、列表清楚且遮挡较少。","start_frame":432,"end_frame":450,"reference_frame":438},"grounding":{"status":"found","bbox_xyxy":[651.6,494.4,921.9,831.5],"positive_points":[[692.2,513.9],[854.2,514.8],[712.0,604.6],[727.6,644.4],[903.1,643.5],[727.1,801.9]],"negative_points":[[721.4,567.6],[586.5,516.7],[715.6,473.1],[786.5,862.0]],"evidence":"目标是第四个项目行右侧打开的规划页面关系选择器。边界框覆盖完整浮动面板，包括搜索栏、数据库标题、页面列表、图标和控件。正点分布于搜索栏、标题、列表及加号控件；负点位于明确排除的鼠标指针、底层表格和面板外背景。"}},{"name":"Rollups section title","description":"The standalone black word “Rollups,” centered on a pale background at the end of the sequence.","membership":"Include only the text glyphs. Exclude the surrounding background.","id":"obj_008","temporal":{"status":"found","start_s":20.5,"end_s":21.0,"reference_s":20.5,"evidence":"目标为浅色背景中央独立的黑色单词“Rollups”，仅包含文字字形。首个合格帧为20.50秒，末个为20.75秒，文字均完整清晰；前一帧20.25秒仍为Projects表格，没有该标题。区间延续至视频结束，之后无采样帧。选择20.50秒作为关键帧，因为标题完整、无遮挡且易于标注。","start_frame":492,"end_frame":504,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[435.9,475,564.1,540.7],"positive_points":[[439.6,500],[461.5,506.5],[494.3,501.9],[503.1,507.4],[526,527.8],[554.7,522.2]],"negative_points":[[416.7,500],[583.3,500],[500,435.2],[500,578.7]],"evidence":"图像中央浅色背景上可见独立的黑色标题“Rollups”。边界框紧贴整个单词的可见字形，包括字母 p 的下伸部分；六个正点分布在不同字母的黑色笔画上，四个负点位于标题左、右、上、下的外部背景。"}}]}
+{"video_id":10,"video_type":"desktop and application interfaces","targets":[{"name":"Source sales data table","description":"The green-banded worksheet table at the left, initially showing primarily the \"Rating\" column. Later views reveal years, categories, products, currency sales amounts, and percentage ratings.","membership":"Includes the table's cells, text, headers, filter controls, and alternating green row fills within its visible extent. Excludes surrounding empty worksheet cells and the overlaid chart.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":14,"reference_s":7.5,"evidence":"目标是左侧带交替浅绿色行底纹的源销售数据表，包含单元格文字、表头及筛选按钮，不含覆盖其上的图表。0秒首帧已显示其Rating列，之后视图移动，逐渐露出年份、类别、产品、销售金额和评分，属于同一表格的持续呈现。最后合格帧为13.75秒，表格仍可见；区间到达视频首尾，两端均无外侧采样帧。选择7.5秒作为关键帧，因为此时左侧各数据列清楚可见，图表遮挡较少。","start_frame":0,"end_frame":336,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[27.3,0,422.7,1000],"positive_points":[[65,70],[214,148],[327,267],[393,461],[129,696],[241,932]],"negative_points":[[13,341],[455,188],[703,569],[600,852]],"evidence":"目标是左侧交替浅绿色行底的销售源数据表，可见年份、类别、产品、销售金额和百分比评分。边界框覆盖其从图像顶部到底部的可见单元格区域，不包含左侧行号、右侧空白单元格及图表。六个正点分布于表格不同列和行；负点位于行号栏、右侧空白工作表、图表及右下方汇总表。"}},{"name":"Sales PivotTable","description":"The summary table initially above the chart, headed \"Row Labels\" and \"Sum of Sales\". It first lists four category totals and \"Grand Total\", then expands to show products nested beneath categories.","membership":"Includes the PivotTable's headers, row labels, values, subtotal formatting, cell surfaces, and expand/collapse controls. Its extent follows the expanded table, including portions visible above and below the chart. Excludes unrelated worksheet cells and the chart overlay.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":14,"reference_s":0,"evidence":"通过“Row Labels”“Sum of Sales”表头、四个类别汇总及“Grand Total”识别该数据透视表；2.50秒起同一表展开为类别下的产品明细。首帧0.00秒已完整建立，末帧13.75秒仍可见图表上下方的表格部分；后续遮挡和视口缩放未显示该表退出或被替换。区间到达视频两端，均无边界外采样帧。选择0.00秒作为关键帧，因为此时表头、类别和值完整清晰，且未被图表遮挡。","start_frame":0,"end_frame":336,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[114.1,27.8,279.7,220.8],"positive_points":[[150,44],[241,44],[153,77],[260,108],[162,173],[238,205]],"negative_points":[[36,109],[324,140],[188,262],[309,576]],"evidence":"目标是图表上方以“Row Labels”和“Sum of Sales”为表头的销售数据透视表。边界覆盖两列表头、四个类别及其销售额和“Grand Total”行的完整单元格区域。正点分布于表头、类别、数值与总计行；负点位于左侧Rating列、右侧及下方无关工作表单元格和下方图表内。"}},{"name":"Total sales PivotChart","description":"The selected white column chart titled \"Total\", initially containing four green category bars. It updates to individual product bars grouped under Accessories, Bikes, Clothing, and Components, then is enlarged.","membership":"Includes the complete chart surface and boundary, plot, bars, gridlines, axes, labels, title, legend, and embedded field and hierarchy controls. Separately listed embedded controls remain within this region. Excludes external chart-formatting shortcuts, selection handles, cursor, tooltips, and added emphasis marks.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":14,"reference_s":9.25,"evidence":"目标是标题为“Total”的白色销售数据透视柱形图：起初显示四根绿色分类柱，随后更新为按四��类别分组的产品柱，并被放大，图表身份连续不变。首个合格帧为0.00秒，末个为13.75秒，全程图表表面及边界完整可见；区间已达视频两端，没有更早或更晚的采样帧。选择9.25秒作为关键帧，因为放大后的图表边界、标题、坐标标签及内嵌控件清晰，且尚无后来添加的强调圈线；不将外部快捷按钮、选择手柄、光标及提示框计入目标。","start_frame":0,"end_frame":336,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[146,100,985,796],"positive_points":[[565,186],[361,355],[612,533],[191,763],[941,480],[813,721]],"negative_points":[[91,260],[384,855],[856,44],[523,930]],"evidence":"目标是标题为“Total”的大型白色数据透视柱形图，绿色产品柱按四个类别分组。边界框覆盖完整图表表面、边框、绘图区、标签、图例及内嵌控件，不包含外伸的选择手柄。正点分布在标题、柱形、绘图区、类别标签、图例和字段控件上；负点位于图表外的工作表区域。"}},{"name":"Sum of Sales chart field button","description":"The small gray \"Sum of Sales\" button inside the chart's upper-left corner, retained when the chart expands and enlarges.","membership":"Includes the button's gray surface, boundary, and label. Excludes the surrounding chart surface, selection indicators, and added green emphasis outline.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":14,"reference_s":9.5,"evidence":"目标是图表内部左上角标有“Sum of Sales”的小灰色字段按钮，区别于工作表表头。它从首帧0.00秒至末帧13.75秒始终完整可见，随图表扩展、放大而保留；后加的绿色强调圈不属于目标。区间覆盖视频全程，两端均无更外侧采样帧。选择9.50秒作为关键帧，此时按钮已放大，表面、边界和文字清楚，且未被绿色强调圈或鼠标遮挡。","start_frame":0,"end_frame":336,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[157.8,115.3,229.7,145.8],"positive_points":[[162.5,122.2],[173.4,130.6],[193,130.6],[215.6,130.6],[225.8,122.2],[219.5,140.3]],"negative_points":[[170.3,166.7],[250,131.9],[175.8,83.3],[132.8,131.9]],"evidence":"目标是图表左上角标有“Sum of Sales”的灰色字段按钮。边界框紧贴按钮的灰色表面、边界和文字；六个正点分布在按钮表面及标签上，四个负点位于按钮外的图表空白和工作表区域，不包含选择手柄。"}},{"name":"Chart category field controls","description":"The compact field-button group along the chart's lower-left edge. It initially contains \"Category\" and gains an adjacent \"Product\" dropdown after the product field is selected.","membership":"Includes the adjacent Category and Product button surfaces, borders, labels, and dropdown arrows, with only Category included before Product appears. Excludes surrounding chart space, tooltips, and added emphasis outlines.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":14,"reference_s":9.5,"evidence":"目标是图表左下沿的字段按钮组：0秒已完整显示Category，2.5秒起旁边增加Product下拉按钮，此后随图表移动、缩放而持续可见。首个合格帧为0秒，最后为13.75秒；区间覆盖视频全长，前后均无额外采样帧。选择9.5秒作为关键帧，因为两个按钮均较大且清晰，无工具提示或后加强调圈遮挡。","start_frame":0,"end_frame":336,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[157.0,748.6,283.6,779.2],"positive_points":[[164.8,762.5],[188.3,768.1],[212.5,763.9],[231.3,762.5],[252.3,768.1],[274.2,763.9]],"negative_points":[[185.9,716.7],[304.7,763.9],[131.3,763.9],[234.4,816.7]],"evidence":"目标位于图表左下边缘，是相邻的 Category 和 Product 下拉字段按钮。边界框紧贴两按钮的表面、边框、文字及箭头；六个正点分布在两个按钮上，四个负点位于按钮组外的图表空白及周围工作表区域。"}},{"name":"PivotChart Fields panel","description":"The right-hand configuration pane titled \"PivotChart Fields\", containing the searchable field list and the Filters, Legend (Series), Axis (Categories), and Values placement areas. It moves out of view as the worksheet presentation shifts.","membership":"Includes the pane's surface, boundary, heading, search box, settings controls, field list, checkboxes, and field-placement areas with their contents. The separately identified Product row remains part of this panel. Excludes the adjacent worksheet, its scrollbar, and the overlaid watermark.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":6.75,"reference_s":3.25,"evidence":"目标是右侧标题为“PivotChart Fields”的配置窗格，包含搜索框、字段复选框及四个字段放置区域。首个合格帧为0秒，窗格已完整建立；视频起点前无采样帧。最后合格帧为6.50秒，紧邻的6.75秒帧中窗格随画面移动，其右侧已被画面边界裁切，故结束于6.75秒。选择3.25秒���为关键帧，窗格结构清晰、边界稳定，字段列表和放置区域均易于辨认。","start_frame":0,"end_frame":162,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[729.7,0,1000,1000],"positive_points":[[831,48],[961,173],[790,301],[802,665],[926,664],[918,829]],"negative_points":[[590,130],[718,514],[430,599],[766,919]],"evidence":"右侧标题为“PivotChart Fields”的配置窗格清晰可见，边界框覆盖整个可见窗格，包含搜索框、字段列表及四个字段放置区域。正点分布在标题、搜索框、字段列表和下方放置区域；负点位于左侧工作表、滚动条、图表以及明确排除的底部水印上。"}},{"name":"Product field selection row","description":"The \"Product\" entry in the PivotChart Fields list, between \"Category\" and \"Sales\". Its checkbox is selected to add product-level detail to the chart and PivotTable.","membership":"Includes the Product row's checkbox, label, row surface, and dropdown arrow when visible. Excludes the neighboring Category and Sales entries, the cursor, and the separate Product button in the Axis (Categories) area.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":6.75,"reference_s":2.75,"evidence":"目标是右侧 PivotChart Fields 列表中位于 Category 与 Sales 之间的 Product 行，包括复选框、标签及行表面；勾选状态变化不改变其身份。首个合格帧为 0.00 秒，最后为 6.50 秒。视频起点前无采样帧；紧邻的 6.75 秒帧中，该行随侧栏向右移出，右侧结构被画面边界裁切。选择 2.75 秒作为关键帧，因为 Product 行高亮，已勾选的复选框、标签及下拉箭头均清楚可见，且光标不遮挡该行。","start_frame":0,"end_frame":162,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[741.4,287.5,986,322.2],"positive_points":[[750,302.8],[789.1,302.8],[843.8,305.6],[898.4,306.9],[937.5,312.5],[967.2,300]],"negative_points":[[786.7,266.7],[781.3,337.5],[730.5,350],[796.9,863.9]],"evidence":"目标是右侧 PivotChart Fields 列表中位于 Category 与 Sales 之间的绿色 Product 行。框覆盖该行的已选复选框、标签、行背景及右端下拉箭头；正点分布在这些内容上。负点位于相邻 Category、Sales 条目、左侧光标及下方 Axis 区域的独立 Product 按钮上。"}},{"name":"Chart hierarchy expand and collapse controls","description":"The small adjacent plus and minus buttons inside the chart's lower-right corner, appearing after product-level detail is added.","membership":"Includes both button surfaces, borders, and plus/minus symbols as one compact control group. Excludes the chart's resize handle, nearby blank chart surface, cursor, and tooltip.","id":"obj_008","temporal":{"status":"found","start_s":2.5,"end_s":14.0,"reference_s":9.5,"evidence":"目标为图表内部右下角相邻的加号、减号按钮组，不包含外侧缩放手柄。2.25秒尚无该组控件；2.5秒添加产品明细后，两按钮完整出现，并持续可见至最后采样帧13.75秒，因此区间结束于14.0秒，视频末尾无后续帧。选择9.5秒作为关键帧，此时图表已放大，按钮边界和符号清楚，且未被光标遮挡。","start_frame":60,"end_frame":336,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[942.2,748.6,973.4,779.2],"positive_points":[[946.1,755.6],[950,763.9],[953.1,772.2],[962.5,755.6],[966.4,763.9],[970.3,772.2]],"negative_points":[[984.4,794.4],[928.1,763.9],[958.6,725],[957,818.1]],"evidence":"目标是图表右下角相邻的加号与减号按钮。边界框紧贴两个按钮组成的完整控件组，包含按钮表面、边框和符号。六个正点分布在两个按钮上；负点位于右下角缩放手柄、附近空白图表区域及图表下方工作表，均排除在目标之外。"}}]}
+{"video_id":11,"video_type":"desktop and application interfaces","targets":[{"name":"Sales representatives worksheet table","description":"Blue-banded employee table on the active “dSalesReps” worksheet. Its headers include “Sales Rep ID”, “Name”, “Start Date”, “Position”, “Salary”, and “Branch”; “Hyun Mullinix” is initially selected.","membership":"Includes the table headers, filter controls, cell grid, and data cells. Excludes surrounding blank worksheet cells, row and column headings, formula bar, worksheet tabs, and foreground dialogs.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":21.5,"reference_s":0,"evidence":"根据活动 dSalesReps 工作表中的蓝色交替行表格，以及 Sales Rep ID、Name、Start Date、Position、Salary、Branch 表头和选中的 Hyun Mullinix 单元格识别目标。首个合格帧为 0.00 秒，已完整呈现；此前无视频帧。期间表格被 Merge 对话框部分遮挡，但持续可见，最后合格帧为 21.25 秒；21.50 秒画面切换为白色加载界面，原表格消失。选择 0.00 秒作为关键帧，因为表头及数据区域清晰且无遮挡。","start_frame":0,"end_frame":516,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[17.19,273.15,435.42,937.96],"positive_points":[[46.88,286.11],[125,418.52],[298.44,350.93],[373.96,641.67],[221.88,800],[405.73,920.37]],"negative_points":[[126.56,261.11],[536.98,508.33],[231.77,955.56],[260.42,230.56]],"evidence":"根据活动工作表 dSalesReps、六列表头及选中的 Hyun Mullinix 单元格，确认左侧蓝色条带员工表为目标。边界框覆盖表头、筛选控件及全部可见数据单元格，至画面中第30行底部。正点分布于表头和不同位置的数据区域；负点位于列标、右侧空白单元格、工作表标签及公式栏，均不属于表格。"}},{"name":"Queries & Connections panel","description":"Right-hand Excel panel listing the three queries “fTransactions”, “dProducts”, and “dEmployee”, each marked “Connection only.” The transaction query is highlighted.","membership":"Includes the panel surface, boundary, heading, tabs, and query entries. Excludes the adjacent worksheet and foreground Merge dialog.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0,"evidence":"目标是 Excel 右侧的“Queries & Connections”面板，包含三个标为“Connection only.”的查询，且 fTransactions 高亮。首个合格帧为 0.00 秒，最后一个为 1.00 秒；1.25 秒画面放大后，面板开始被画面右侧及底部边界裁切。视频从该面板已完整显示时开始，没有更早的采样帧。选择 0.00 秒作为关键帧，因为面板边界、标题、标签和查询项完整清晰，且无遮挡。","start_frame":0,"end_frame":30,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[772.4,251.9,999.5,973.1],"positive_points":[[851,279],[795,320],[877,406],[830,466],[842,529],[929,836]],"negative_points":[[726,473],[626,762],[868,151],[853,986]],"evidence":"目标是右侧“Queries & Connections”面板，其中列出三个标注“Connection only.”的查询，且 fTransactions 以绿色高亮。边框覆盖面板边界、标题、选项卡、查询条目及下方空白表面。正点分布在这些区域；负点位于左侧工作表、上方功能区和下方状态栏，不包含相邻工作表。"}},{"name":"Merge dialog","description":"Central white “Merge” dialog used to combine “fTransactions” with “dProducts”. It contains two table selectors and previews, a “Join Kind” control set to “Left Outer (all from first, matching from second)”, fuzzy-matching options, and confirmation buttons.","membership":"Includes the complete dialog surface, border, title, instructions, selectors, previews, options, status text, and buttons. Its open table-selection list belongs to this dialog. Excludes the underlying worksheet, adjacent Queries & Connections panel, cursor, and promotional overlays.","id":"obj_003","temporal":{"status":"found","start_s":0.25,"end_s":21.25,"reference_s":7.0,"evidence":"目标为中央白色“Merge”对话框，含两组表选择器和预览、Left Outer 联接选项及确认按钮；随后第二张表选为 dProducts。0.25 秒时对话框表面和边界已完整建立，0.00 秒尚无此窗口。最后符合的帧为 21.00 秒，21.25 秒窗口已消失并露出工作表。选择 7.00 秒作为关键帧，两表预览及完整窗口清楚可见，且没有宣传叠层遮挡。","start_frame":6,"end_frame":510,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[200.5,26.9,778.6,951.9],"positive_points":[[248,87],[493,315],[317,458],[435,592],[357,743],[729,890]],"negative_points":[[100,550],[890,450],[850,65],[585,978]],"evidence":"中央标题为“Merge”的白色对话框包含 fTransactions 与 dProducts 两个表格预览、Join Kind、模糊匹配选项及确认按钮。边界框紧贴整个对话框外缘；正点分布于标题、表格、选择器、连接选项和按钮，负点位于外部工作表、右侧查询面板及顶部功能区。"}},{"name":"fTransactions merge preview","description":"Upper table preview inside the Merge dialog, beneath the “fTransactions” selector. It shows transaction fields including “Transaction ID”, “Date”, “Sales Rep ID”, “Customer Experience Rating”, “Product ID”, “Qty”, and “Payment Type”. The “Product ID” column is selected for matching.","membership":"Includes the upper preview's boundary, header row, displayed data cells, and selection shading. Excludes the table selector above it and the other controls of the Merge dialog.","id":"obj_004","temporal":{"status":"found","start_s":0.25,"end_s":21.25,"reference_s":19.5,"evidence":"目标是 Merge 对话框中 fTransactions 选择器下方的上层预览表，包含 Transaction ID、Date、Product ID 等列。0.25 秒首次完整显示边界、表头和数据；之后 Product ID 列出现绿色匹配选择阴影，属于同一表格的内部状态变化。最后合格帧为 21.00 秒；此前的 0.00 秒尚无 Merge 对话框，之后的 21.25 秒对话框及预览表已消失。选择 19.50 秒作为关键帧，因为上层表格完整清晰、未被遮挡，且 Product ID 选择阴影明确。","start_frame":6,"end_frame":510,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[225,219.4,754.2,412],"positive_points":[[258,237],[328,296],[389,361],[492,327],[594,355],[697,388]],"negative_points":[[310,187],[356,570],[772,343],[361,743]],"evidence":"目标是 Merge 对话框中 fTransactions 选择器下方的上部预览表，包含 Transaction ID 等字段及绿色选中的 Product ID 列。边界框覆盖整个预览边界、表头、数据单元格和选择底色；正点分布于各列及不同行，负点位于上方选择器、下方表格、右侧外部空白和 Join Kind 控件。"}},{"name":"dProducts merge preview","description":"Lower table preview that appears after “dProducts” is chosen in the Merge dialog. It displays “Product ID”, “Cat ID”, “Brand”, “Description”, and “Unit Price”, with products such as “Basting brush” and “Cake pans”. Its “Product ID” column is selected to match the upper table.","membership":"Includes the lower product preview's boundary, headers, displayed data cells, and selection shading. Excludes its selector and the surrounding Merge dialog controls.","id":"obj_005","temporal":{"status":"found","start_s":5.75,"end_s":21.25,"reference_s":19.5,"evidence":"通过 Merge 对话框下方的产品预览表识别目标，表头为 Product ID、Cat ID、Brand、Description、Unit Price，包含 Basting brush、Cake pans 等数据。首个合格帧为 5.75 秒；此前 5.50 秒下方仍显示“No preview is available”。最后合格帧为 21.00 秒，21.25 秒 Merge 对话框及该预览表已消失。选择 19.50 秒作为关键帧，表格边界、表头、数据及 Product ID 列的绿色选择底色清晰可见，且未被遮挡。","start_frame":138,"end_frame":510,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[225,488.9,753.6,683.3],"positive_points":[[257.8,507.4],[256.8,657.4],[364.6,568.5],[437.5,537],[519.3,630.6],[695.3,594.4]],"negative_points":[[321.4,457.4],[494.8,356.5],[369.8,742.6],[795.8,600]],"evidence":"根据 dProducts 下方的 Product ID、Cat ID、Brand、Description、Unit Price 表头及产品数据确定目标。边框覆盖下方预览的完整边界、数据单元格、绿色选中列和右侧空白预览区域，不含上方选择器。正点分布于表头、选中列、产品数据及预览表面；负点位于选择器、上方交易表、连接类型控件和对话框外部。"}},{"name":"Merge formula bar","description":"Formula bar above the Power Query results displaying a “Table.NestedJoin” expression joining “fTransactions” and “dProducts” on “Product ID” using “JoinKind.LeftOuter”.","membership":"Includes the formula field, its boundary, expression, and associated formula-bar controls. Excludes the ribbon above and results grid below.","id":"obj_006","temporal":{"status":"found","start_s":22.25,"end_s":23.75,"reference_s":22.75,"evidence":"通过结果表上方的公式栏及其 Table.NestedJoin 表达式识别目标，表达式连接 fTransactions 与 dProducts 的 Product ID，并使用 JoinKind.LeftOuter。22.25 秒首次完整显示公式字段、边界及左侧控件；此前 22.00 秒该区域仍为空白。最后完整帧为 23.50 秒，23.75 秒随画面放大，左侧公式栏控件开始被画面边界裁切。选择 22.75 秒作为关键帧，公式栏完整清晰且无遮挡。","start_frame":534,"end_frame":570,"reference_frame":546},"grounding":{"status":"found","bbox_xyxy":[7.3,70.4,901.6,111.1],"positive_points":[[24,90.7],[82,90.7],[181,91.7],[416,91.7],[664,91.7],[892,91.7]],"negative_points":[[417,35],[417,134],[208,171],[952,98]],"evidence":"目标是结果表格上方显示 Table.NestedJoin 的合并公式栏，表达式包含 fTransactions、dProducts、Product ID 和 JoinKind.LeftOuter。边界框覆盖公式输入框、边框及左侧取消、确认、fx 和右侧下拉控件。正点分布在控件及表达式上；负点位于上方功能区、下方结果网格和右侧查询设置面板。"}},{"name":"Merged query results table","description":"Power Query preview produced by the merge. Transaction rows retain fields such as “Product ID”, “Qty”, and “Payment Type”, and a new rightmost “dProducts” column contains repeated “Table” values.","membership":"Includes the results grid, column headers, type and filter controls, row-number gutter, data cells, and scrolling controls. Includes the separately identified nested-product column. Excludes the formula bar, ribbon, Query Settings panel, and floating expansion menu.","id":"obj_007","temporal":{"status":"found","start_s":22.5,"end_s":30.0,"reference_s":24.25,"evidence":"22.50秒起出现合并结果网格，保留 Product ID、Qty、Payment Type 等字段，右侧新增 dProducts 列且单元格重复显示 Table；此前22.25秒预览区仍为空白。网格持续至最后采样帧29.75秒，后期展开菜单仅局部遮挡，不改变其身份。区间到达视频结尾，无后续帧。选择24.25秒作为关键帧，此时推广遮挡已消失，结果表和嵌套产品列清晰可辨。","start_frame":540,"end_frame":720,"reference_frame":582},"grounding":{"status":"found","bbox_xyxy":[0,279,762,1000],"positive_points":[[112,298],[23,572],[223,438],[467,706],[634,640],[754,803]],"negative_points":[[414,251],[390,124],[872,386],[853,521]],"evidence":"根据 Product ID、Qty、Payment Type 表头及右侧 dProducts 列中重复的 Table 值识别出合并结果表。边界框覆盖可见结果网格、表头及筛选控件、左侧行区域和右侧滚动条，延伸至图像底部。正点分布在表头、数据单元格、嵌套产品列及滚动条；负点位于排除的公式栏、功能区和 Query Settings 面板。"}},{"name":"Nested dProducts column","description":"Rightmost column of the merged query results, labeled “dProducts” with a table-type icon. Its cells read “Table”, and the header's double-arrow control is used to open the expansion options.","membership":"Includes this column's header, table-type icon, expansion control, and visible cells, including selection shading. Excludes neighboring transaction columns and the floating expansion menu.","id":"obj_008","temporal":{"status":"found","start_s":22.5,"end_s":30.0,"reference_s":25.0,"evidence":"目标是合并结果最右侧的“dProducts”列，表类型图标、双箭头展开控件及内容为“Table”的单元格可确认其身份。首个合格帧为22.50秒，列的表头和可见单元格已建立；前一帧22.25秒结果区域仍为空白。最后合格帧为29.75秒，展开菜单虽遮挡部分列，但同一列持续存在。区间达到视频结尾，无后续帧。选择25.00秒作为关键帧，因为列结构清晰且未被展开菜单遮挡。","start_frame":540,"end_frame":720,"reference_frame":600},"grounding":{"status":"found","bbox_xyxy":[612.5,286.1,756.3,1000],"positive_points":[[622.9,302.8],[657.3,303.7],[747.1,303.7],[628.6,444.4],[677.1,680.6],[628.6,947.2]],"negative_points":[[540.6,444.4],[536.5,645.4],[410.4,746.3],[854.2,629.6]],"evidence":"目标是结果表最右侧的“dProducts”嵌套表列，表头有表格图标和双箭头展开按钮，下方单元格显示“Table”。边界框覆盖表头及延伸至图像底部的可见单元格；正点分布在图标、列名、展开按钮及不同高度的单元格内。负点位于左侧交易列和右侧查询设置面板，不包含滚动条或其他列。"}},{"name":"Query Settings panel","description":"Right-hand Power Query panel showing the query name “Merge1” under “PROPERTIES” and a “Source” step under “APPLIED STEPS”.","membership":"Includes the panel surface, heading, property field, links, applied-step list, and panel controls. Excludes the adjacent results table and formula bar.","id":"obj_009","temporal":{"status":"found","start_s":22.25,"end_s":30.0,"reference_s":25.0,"evidence":"右侧面板标题为“Query Settings”，包含 PROPERTIES 下的“Merge1”和 APPLIED STEPS 下的“Source”。首个合格帧为22.25秒，面板结构已建立，右部因画面放大被裁切；22.00秒仍是尚未显示该面板的空白编辑区。最后合格帧为29.75秒，面板持续存在至视频结束，之后无采样帧。选择25.00秒作为关键帧，此时面板边界、标题、字段及控件完整清晰，无遮挡。","start_frame":534,"end_frame":720,"reference_frame":600},"grounding":{"status":"found","bbox_xyxy":[760.4,219.4,1000,1000],"positive_points":[[830,264],[829,391],[820,434],[872,526],[966,267],[899,817]],"negative_points":[[676,305],[632,513],[692,257],[861,155]],"evidence":"目标是右侧标题为“Query Settings”的面板，内有 PROPERTIES、名称 Merge1 及 APPLIED STEPS 下的 Source。边界框覆盖从面板顶部到图像底部的完整可见面板，包括表面、字段、链接、步骤列表和关闭控件。正点分布于这些内容及面板空白表面；负点位于左侧结果表、公式栏及上方功能区，均不属于该面板。"}},{"name":"dProducts expansion menu","description":"Floating menu opened from the nested “dProducts” column. It offers “Expand” and “Aggregate”, a search field, checked product-field choices, “Use original column name as prefix”, and “OK” and “Cancel” buttons.","membership":"Includes the entire floating menu surface, boundary, search and sorting controls, mode choices, checkbox list, prefix option, and action buttons. Excludes the results cells behind it, the Query Settings panel, and the cursor.","id":"obj_010","temporal":{"status":"found","start_s":28.25,"end_s":30.0,"reference_s":28.5,"evidence":"28.25秒首次出现完整的dProducts列展开浮动菜单，可见搜索框、Expand/Aggregate、产品字段勾选列表、原列名前缀选项及OK/Cancel按钮；28.0秒仅有选中的dProducts列，菜单尚未出现。最后符合条件的帧为29.75秒，菜单仍完整存在，区间延至视频结尾30.0秒，无后续帧。选择28.5秒作为关键帧，菜单边界及各控件清楚，鼠标基本位于菜单外。","start_frame":678,"end_frame":720,"reference_frame":684},"grounding":{"status":"found","bbox_xyxy":[425.5,316.7,739.1,736.1],"positive_points":[[574,345],[487,387],[516,495],[685,560],[550,637],[630,702]],"negative_points":[[650,780],[865,527],[350,460],[650,302]],"evidence":"目标是 dProducts 列下方展开的浮动菜单，可见 Expand/Aggregate、字段复选框及 OK/Cancel。边界框紧贴整个菜单外缘，包含搜索与排序控件、字段列表、前缀选项和按钮。正点分布在菜单各区域；负点位于下方结果单元格、右侧 Query Settings、左侧表格及上方列标题，不包含光标。"}}]}
+{"video_id":12,"video_type":"desktop and application interfaces","targets":[{"name":"Piano roll editor","description":"The dark floating music editor with a vertical piano keyboard, pale green MIDI notes, a time grid, and an editing toolbar. It begins behind the open menus and later sits to the left of the quantizer.","membership":"Includes the editor's outer boundary, surface, toolbar, keyboard, note overview, grid, MIDI notes, and scrollbars. Excludes the separate menus and quantizer dialog, subtitles, and added magnification overlays.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":1.5,"evidence":"目标是带竖向钢琴键盘、浅绿色 MIDI 音符、时间网格及顶部工具栏的深色浮动编辑器，不包括菜单、量化器和放大覆盖层。首个合格帧为 0.00 秒，编辑器已完整建立，仅被菜单遮挡；视频起点之前无采样帧。最后合格帧为 12.75 秒，紧接的 13.00 秒编辑器已开始淡出，因此区间结束于 13.00 秒。选择 1.50 秒作为关键帧，此时编辑器位于量化器左侧，边界清晰且无明显遮挡。","start_frame":0,"end_frame":312,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[17.1,60.8,556.6,858.5],"positive_points":[[189,97],[220,165],[66,534],[389,602],[455,656],[539,525]],"negative_points":[[682,388],[870,770],[295,917],[950,471]],"evidence":"目标是左侧带竖向钢琴键盘、浅绿色 MIDI 音符和顶部编辑工具栏的浮动窗口。边界框紧贴整个钢琴卷帘编辑器，包含概览、网格及滚动条，不包含右侧量化器。正点分布在工具栏、概览、键盘、音符、网格和滚动条上；负点位于量化器及窗口外背景。"}},{"name":"Quantize menu command","description":"The selected “Quantize...” menu row, with “Opt+Q” displayed at its right, introduces the quantization tool.","membership":"Includes the complete menu row, its selection background, command text, and shortcut. Excludes neighboring menu rows, the cursor, and the added cyan emphasis outline.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是菜单中选中的“Quantize...”完整行，右侧显示“Opt+Q”，包含选择背景、文字和快捷键，不含青色强调轮廓。首个合格帧为0.00秒，最后为0.50秒；视频起点之前无采样帧，紧邻的0.75秒帧中菜单已消失，替换为量化工具窗口。选择0.00秒作关键帧，该行完整可见且文字清晰，光标未遮挡目标。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[452,414,713,447],"positive_points":[[467,429],[487,426],[525,433],[571,425],[625,436],[679,428]],"negative_points":[[541,386],[510,483],[613,468],[396,429]],"evidence":"目标是显示“Quantize...”及右侧“Opt+Q”的深色选中菜单行。边界框紧贴该行的选择背景，包含文字和快捷键，不包含外加青色强调轮廓。正点分布在行内背景、命令文字及快捷键上；负点位于上下相邻菜单项、下方光标和左侧其他菜单区域。"}},{"name":"Opening instruction subtitle","description":"The bottom-centered subtitle reading “and open the quantization tool.”","membership":"Includes the subtitle lettering and its black outline only. Excludes the application interface and background.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0.75,"evidence":"目标是画面底部居中的字幕“and open the quantization tool.”，包括白色字母及黑色描边。首个合格帧为0.00秒，最后为0.75秒，均完整显示；1.00秒的相邻帧中字幕已消失。区间始于视频开头，无更早帧。选择0.75秒作为关键帧，因为字幕清晰完整、无遮挡。","start_frame":0,"end_frame":24,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[288.1,908,712.9,969.6],"positive_points":[[297.9,924.5],[357.9,924.5],[428.7,928.8],[481.4,925.3],[659.2,924.5],[698.7,930.6]],"negative_points":[[270,934],[734,934],[505,886],[507,986]],"evidence":"目标是画面底部居中的字幕“and open the quantization tool.”。边界框紧贴整行字幕的字形及黑色描边；六个正点分布在各处字幕笔画上，四个负点位于字幕左右、上方和下方的外部背景，避开字间空隙。"}},{"name":"Piano roll quantizer dialog","description":"The floating “Piano roll - quantizer” panel, initially overlapping the editor and later presented alone. It contains the Default template, Strength controls, colored Levels knobs, and Reset and Accept buttons.","membership":"Includes the dialog's outer frame, surface, title, template selector, all labels and controls, and bottom buttons. Its region remains the complete dialog as it moves and scales. Excludes independent explanatory text, subtitles, and the separate enlarged timing-control presentation.","id":"obj_004","temporal":{"status":"found","start_s":0.75,"end_s":15.0,"reference_s":1.5,"evidence":"目标是带有“Piano roll - quantizer”标题、Default 模板、Strength 控件、彩色 Levels 旋钮及 Reset/Accept 按钮的完整浮动对话框。首个合格帧为 0.75 秒；前一帧 0.50 秒仅显示菜单，尚无该对话框。此后对话框持续存在，移动、缩放及被独立放大的时间控件局部遮挡不改变其身份；最后合格帧为 14.75 秒，故区间延至视频结尾 15.0 秒，边界后无采样帧。选择 1.50 秒为关键帧，因为面板完整清晰、无遮挡，且与左侧编辑器分离。","start_frame":18,"end_frame":360,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[572.3,152.8,914.1,814.2],"positive_points":[[659,185],[772,242],[681,387],[849,389],[736,629],[868,770]],"negative_points":[[536,482],[484,180],[944,494],[744,862]],"evidence":"右侧标题为“Piano roll - quantizer”的浮动面板即目标。边框完整覆盖对话框外框、表面、模板选择器、Strength 控件、彩色 Levels 旋钮及底部按钮。六个正点分布在标题、模板区域、旋钮和 Accept 按钮上；负点位于左侧独立钢琴卷帘编辑器及对话框右侧、下方的外部背景。"}},{"name":"Quantization adjustment subtitles","description":"The bottom subtitle block beginning “And here it can be fun to experiment a bit,” and continuing with instructions about full time correction, Sensitivity, and Start time.","membership":"Includes the changing subtitle text and its outline, including yellow-highlighted words. Excludes all interface graphics and the magnified controls above it.","id":"obj_005","temporal":{"status":"found","start_s":1.75,"end_s":9.0,"reference_s":6.0,"evidence":"目标是画面底部带黑色描边的连续变化字幕，从“And here it can be fun to experiment a bit,”开始，随后显示100%时间校正、Sensitivity和Start time的说明，包括黄色强调词。首个完整帧为1.75秒，最后合格帧为8.75秒；此前1.50秒和此后9.00秒均无该字幕块。选择6.00秒作为关键帧，此时“Set Sensitivity to max”完整清晰，黄色强调词易辨认，且与上方界面分离。","start_frame":42,"end_frame":216,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[355.5,909.7,648.4,968],"positive_points":[[365.5,933.2],[414,933],[463,935],[513,935],[559,935],[629,936]],"negative_points":[[326,935],[676,936],[497,988],[739,770]],"evidence":"目标是底部随操作变化的字幕，当前显示“Set Sensitivity to max”，其中 Sensitivity 为黄色。边界框紧贴整行文字及黑色描边；正点分布在白色与黄色字形上，负点位于字幕左右、下方背景及上方独立界面控件上。"}},{"name":"Magnified Start time control","description":"The enlarged “Start time” label and rotary knob on the left of the timing-control close-up. Its orange arc grows as the timing correction is increased.","membership":"Includes the label, knob face, surrounding value arc, and knob markings in the enlarged presentation. Excludes the shared rectangular backing, the adjacent Sensitivity control, and the smaller original control in the dialog.","id":"obj_006","temporal":{"status":"found","start_s":6.5,"end_s":11.0,"reference_s":9.5,"evidence":"目标是时序控制放大条左侧的“Start time”标签、旋钮及橙色数值弧，不含共用底板或右侧 Sensitivity。首个完整呈现帧为6.50秒；6.25秒仅有对话框内的小控件。最后符合帧为10.75秒，放大控件虽在缩小但仍完整；11.00秒放大呈现已消失，仅余原始小控件。选择9.50秒作为关键帧，标签、旋钮及完整橙色弧清晰可辨且无遮挡。","start_frame":156,"end_frame":264,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[513.2,325.5,684.1,446.2],"positive_points":[[518.6,370.7],[537.1,388.0],[589.4,377.6],[647.9,331.6],[619.1,384.5],[653.3,382.8]],"negative_points":[[715.3,351.6],[897.5,381.9],[680.2,490.5],[542.0,295.1]],"evidence":"目标是放大横条左侧的“Start time”文字及橙色旋钮。边界框紧包文字、旋钮面、外围数值弧和标记；正点分布于文字笔画、橙色弧及旋钮面。负点位于共享背板、右侧 Sensitivity 旋钮、下方原对话框的小旋钮及横条外背景，均不属于目标。"}},{"name":"Magnified Sensitivity control","description":"The enlarged “Sensitivity” label and dark rotary knob on the right of the timing-control close-up, with an orange indicator near its lower-right edge.","membership":"Includes the label, knob face, and surrounding knob markings in the enlarged presentation. Excludes the shared rectangular backing, the adjacent Start time control, and the smaller original control in the dialog.","id":"obj_007","temporal":{"status":"found","start_s":6.5,"end_s":11.0,"reference_s":8.0,"evidence":"目标是计时控制放大展示右侧的“Sensitivity”标签、深色旋钮及周围刻度，旋钮右下有橙色指示线。首个合格帧为6.50秒，最后为10.75秒；缩放移动期间目标结构完整。此前6.25秒仅有对话框中的原始小控件，之后11.00秒放大展示已消失，仅剩原始控件。选择8.00秒作为关键帧，目标清晰、无遮挡，且易与左侧Start time控件区分。","start_frame":156,"end_frame":264,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[759,330,937,450],"positive_points":[[767,381],[823,385],[889,367],[914,385],[907,412],[932,373]],"negative_points":[[737,421],[650,382],[681,486],[928,286]],"evidence":"目标是放大区域右侧的“Sensitivity”文字及带橙色指示线的深色旋钮。边界框覆盖完整标签、旋钮和周围刻度，不包含共用矩形底板。正点分布在文字笔画、旋钮表面、橙色指示线及外侧刻度；负点位于底板空白、左侧 Start time 旋钮、下方原对话框控件及放大区域外。"}},{"name":"Timing result subtitle","description":"The bottom-centered subtitle “It’s a bit tighter.” appears after the adjustment demonstration.","membership":"Includes the subtitle lettering and black outline only. Excludes the editor, dialog, and background.","id":"obj_008","temporal":{"status":"found","start_s":11.0,"end_s":13.0,"reference_s":11.5,"evidence":"目标是画面底部居中的“It’s a bit tighter.”白色字幕及黑色描边。首次完整出现于11.00秒，最后符合条件的帧为12.75秒；前一帧10.75秒没有该字幕，后一帧13.00秒字幕已消失。选择11.50秒作为关键帧，字幕清晰完整、无遮挡，便于标注。","start_frame":264,"end_frame":312,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[395,908.9,607.4,968.8],"positive_points":[[399.4,931.4],[413.6,936.6],[454.6,941],[468.3,931.4],[512.2,931.4],[591.8,931.4]],"negative_points":[[380.9,933.2],[625,933.2],[498,881.1],[498,985.2]],"evidence":"目标是图像底部居中的字幕“It’s a bit tighter.”。边界框紧贴整句字幕及其黑色描边，包含句号；六个正点分布在不同单词的字形上，四个负点位于字幕左、右、上、下方的外部背景，未标注字间空隙。"}},{"name":"Quantization reference heading","description":"The large two-line heading above the isolated quantizer: “Pause here if you want to read more about the quantization tool”.","membership":"Includes the complete heading text and its black outline. Excludes the quantizer graphic and the explanatory blocks below.","id":"obj_009","temporal":{"status":"found","start_s":13.25,"end_s":15.0,"reference_s":14.0,"evidence":"目标是独立量化器上方带黑色描边的两行大标题“Pause here if you want to read more about the quantization tool”。13.25秒首次完整显示，前一帧13.00秒尚无此标题；至最后采样帧14.75秒仍完整可见，因此区间结束于视频末尾15.00秒，之后无采样帧。选择14.00秒为关键帧，标题清晰、无遮挡，与下方量化器和说明文字分离。","start_frame":318,"end_frame":360,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[188,43,814,162],"positive_points":[[193,73],[279,70],[774,67],[389,128],[503,136],[611,126]],"negative_points":[[499,205],[500,274],[174,333],[751,340]],"evidence":"目标是图像顶部居中的两行英文标题，内容与描述一致。边界框覆盖完整标题及黑色描边；六个正点分布在两行文字的字形上，负点位于标题下方背景、量化器窗口及两侧说明文字上。"}},{"name":"Template explanation","description":"The upper-left reference block headed “Template”, explaining the use of groove templates and score files to give notes a rhythmic feel instead of snapping to a straight grid.","membership":"Includes the heading and its complete explanatory paragraph as one text block. Excludes the adjacent quantizer panel and other reference text.","id":"obj_010","temporal":{"status":"found","start_s":14.0,"end_s":15.0,"reference_s":14.25,"evidence":"目标是参考页左上方以“Template”为标题、说明 groove templates 和 score files 用途的完整文字块。14.00秒首次完成淡入，标题及完整段落清晰呈现；此前13.75秒文字仍处于淡入状态。最后合格帧为14.75秒，目标持续至视频结束15.00秒，之后没有采样帧。选择14.25秒作为关键帧，文字完整清晰、无遮挡，且与右侧量化面板及下方说明块界限明确。","start_frame":336,"end_frame":360,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[35.6,245,311,478.3],"positive_points":[[43,251],[104,274],[201,321],[38,368],[119,415],[221,457]],"negative_points":[[22,359],[177,521],[388,375],[95,602]],"evidence":"目标是左上方以“Template”为标题的说明文字。边界框覆盖标题及下方四行完整段落；六个正点分布在标题和各行文字笔画上。负点位于左侧及下方外部背景、相邻量化器面板和下方“Sensitivity”文字处，均不属于目标。"}},{"name":"Start time explanation","description":"The upper-right reference block headed “Start time”, explaining how much each note's start is moved to match the grid or groove.","membership":"Includes the heading and its complete explanatory paragraph. Excludes the quantizer panel and the separate Duration block below.","id":"obj_011","temporal":{"status":"found","start_s":14.0,"end_s":15.0,"reference_s":14.25,"evidence":"目标是右上方以“Start time”为标题、说明音符起点如何移动以匹配网格或律动的完整文字块，不含下方 Duration。13.75 秒文字仍在淡入，14.00 秒首次完整清晰呈现，最后合格帧为 14.75 秒。目标持续至视频结束，结束边界后无采样帧。选择 14.25 秒作为关键帧，文字完整、清晰且无遮挡。","start_frame":336,"end_frame":360,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[657.7,258.7,962.5,453.1],"positive_points":[[665.5,265.6],[752.0,286.5],[660.2,338.5],[950.2,339.4],[816.4,385.4],[661.1,438.4]],"negative_points":[[584.0,441.0],[714.0,646.0],[835.0,224.0],[984.0,482.0]],"evidence":"目标是右上方的“Start time”说明块。边界框覆盖标题及其下方三行完整说明文字，不含中央量化器面板和下方 Duration 说明块。六个正点分布在标题及各行文字笔画上；负点位于量化器面板、Duration 标题及说明块外的背景。"}},{"name":"Sensitivity explanation","description":"The lower-left reference block headed “Sensitivity”, contrasting low sensitivity for notes close to the grid with high sensitivity for notes farther away.","membership":"Includes the heading and both low- and high-sensitivity explanations as one text block. Excludes the Template block above and the quantizer panel.","id":"obj_012","temporal":{"status":"found","start_s":14.0,"end_s":15.0,"reference_s":14.0,"evidence":"目标是左下方以“Sensitivity”为标题、包含低灵敏度和高灵敏度两段说明的独立文字块。13.75秒文字仍呈灰色淡入状态，14.00秒完整清晰显示，为首个合格帧；最后合格帧为14.75秒，持续至视频结束15.00秒，之后无采样帧。选择14.00秒作为关键帧，文字完整、无遮挡，且与上方Template说明及右侧量化器面板界限清楚。","start_frame":336,"end_frame":360,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[26.4,577.3,339.2,821.2],"positive_points":[[32.2,589.4],[28.6,655.4],[318.8,657.1],[194.3,704.9],[29.0,751.7],[280.8,799.5]],"negative_points":[[148.4,413.2],[445.3,523.4],[195.3,868.1],[348.6,854.2]],"evidence":"目标是左下方以“Sensitivity”为标题的说明文字。框覆盖标题、低灵敏度说明和高灵敏度说明的全部五行文字；六个正点分布在标题及各行字形上，负点位于上方Template说明、右侧量化器面板和文字块外的背景。"}},{"name":"Duration explanation","description":"The lower-right reference block headed “Duration”, explaining note length, alignment of note ends with the grid, and the availability of several duration modes.","membership":"Includes the heading and its complete explanatory paragraph. Excludes the Start time block above and the adjacent quantizer panel.","id":"obj_013","temporal":{"status":"found","start_s":14.0,"end_s":15.0,"reference_s":14.25,"evidence":"目标是右下角以“Duration”为标题的说明块，完整段落介绍音符长度、尾端对齐网格及多种时值模式，不包括上方 Start time 说明和左侧面板。13.75 秒文字仍处于淡入状态；14.00 秒首次完整清晰呈现，至最后采样帧 14.75 秒持续可见。区间延伸至视频结尾 15.00 秒，之后没有采样帧。选择 14.25 秒作为关键帧，因标题和全文清晰且无遮挡。","start_frame":336,"end_frame":360,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[657.2,620.7,955.6,904.5],"positive_points":[[662,644],[774,697],[806,743],[660,791],[792,838],[723,889]],"negative_points":[[754,381],[596,757],[813,581],[637,855]],"evidence":"目标是右下角以“Duration”为标题的说明文字块。边框覆盖标题及下方关于音符长度、末端对齐和时值模式的完整五行说明。六个正点分布在标题和各行文字笔画上；负点位于上方 Start time 说明、左侧量化器面板及文字块外的背景。"}}]}
+{"video_id":13,"video_type":"desktop and application interfaces","targets":[{"name":"Sidebar panel","description":"The tall rectangle along the left edge of the dashboard artboard, created at 280 × 900. Its fill changes from light gray to green, and it becomes the background for the SkillLearn navigation sidebar.","membership":"Include the panel surface, outer boundary, and all contents displayed within it, including the logo header, balance card, and navigation entries. Follow the rounded outer corners when present. Exclude editor selection handles, measurement labels, guides, and surrounding canvas.","id":"obj_001","temporal":{"status":"found","start_s":0.25,"end_s":28.0,"reference_s":17.0,"evidence":"目标是画板左侧的280×900竖向侧栏，底色由浅灰变为绿色，后续包含SkillLearn标题、余额卡片和导航项。0.00秒仍在拖绘，尺寸显示253×873；0.25秒面板结构完整、尺寸为280×900，是首个合格帧。此后持续存在至最后采样帧27.75秒，视频于28.0秒结束，无后续帧。选择17.00秒作为关键帧：侧栏及黑色标题区、余额卡片和导航内容清晰，外侧圆角可见，且无遮挡和选择框干扰。","start_frame":6,"end_frame":672,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[154.8,166.7,287.8,925],"positive_points":[[213.8,208.3],[203.3,347.2],[243,485.2],[179.9,648.1],[255,762],[194,877.8]],"negative_points":[[138.2,463],[320.6,416.7],[224.2,134.3],[224.2,963]],"evidence":"目标是仪表盘画板左侧的 SkillLearn 导航侧栏，包含黑色品牌标题区、绿色面板、余额卡和导航条目。边框紧贴侧栏整体可见范围，包含左侧圆角。正点分布在标题、余额卡、导航及下部绿色表面；负点位于左侧编辑器区域、右侧白色主内容区及上下外围画布。"}},{"name":"Dashboard toolbar","description":"The horizontal control group near the top of the white dashboard area, containing “Search Files....”, “Filter”, a notification bell, and a circular profile photograph. It is selected as a group for alignment near the end.","membership":"Include the search field and its icon and text, filter field and arrow, notification icon, and circular photograph. Exclude the surrounding header background, editor selection outlines, and measurement guides.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":28,"reference_s":16,"evidence":"目标为白色仪表盘顶部由搜索框及图标文字、Filter及箭头、通知铃铛和圆形头像组成的横向控件组。首个合格帧为0秒，最后为27.75秒；中途绘制背景矩形造成短暂遮挡，前后位置和内容确认仍为同一组控件，持续至片尾。区间到达视频首尾，均无外侧采样帧。选择16秒作为关键帧，此时全部成员清晰可见，且无选择框和测量辅助线干扰。","start_frame":0,"end_frame":672,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[303.4,195.4,813.4,248.1],"positive_points":[[316.5,210.2],[538,226],[614,224],[710.4,221.3],[753.2,221.3],[799,221]],"negative_points":[[450,177],[600,280],[824,221],[260,221]],"evidence":"目标是白色仪表盘顶部由搜索框、Filter 筛选框、通知铃铛和圆形头像组成的横向控件组。框紧贴这些控件的整体可见范围；六个正点分布在搜索图标及输入框、筛选文字及箭头、铃铛轮廓和头像上。负点位于组外上方、下方、右侧背景及左侧品牌栏，不包含周围背景或编辑器辅助线。"}},{"name":"Design properties panel","description":"The editor’s right-hand inspector, used to change rectangle dimensions, fills, text colors, and stroke settings. Visible sections include “填充”, “描边”, and “颜色选集”.","membership":"Include the inspector’s bounded surface and its visible property fields, section labels, swatches, and controls as they update. Exclude the application toolbar above it, the floating color picker, and the floating help button.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":28,"reference_s":6.75,"evidence":"目标是编辑器最右侧的白色属性检查器，包含尺寸、约束、填充、描边及颜色选集等字段；不包括上方工具栏、浮动取色器和帮助按钮。首帧0.00秒已完整建立，末帧27.75秒仍完整可见，中途仅内部属性和控件更新，面板持续存在。区间覆盖视频首尾，边界外没有采样帧。选择6.75秒作为关键帧，此时面板边界清楚，颜色选集等控件可见，且没有浮动取色器遮挡。","start_frame":0,"end_frame":672,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[855.6,38.9,1000,1000],"positive_points":[[925,132],[928,272],[919,410],[897,501],[931,681],[910,881]],"negative_points":[[926,18],[786,481],[91,503],[978,960]],"evidence":"目标为画面最右侧的设计属性检查器，可见“填充”“描边”“颜色选集”等栏目。框覆盖顶部应用栏下方至图像底部的检查器表面及属性控件；正点分布于布局、约束、图层、填充、颜色和导出区域，负点位于顶部工具栏、画布、左侧面板及排除的悬浮帮助按钮。"}},{"name":"Initial instruction subtitles","description":"The bottom-center Chinese instruction block first reading “绘制宽度280的矩形” and then “颜色修改为绿色”.","membership":"Include only the subtitle glyphs and their contrasting outlines. Exclude the dashboard, canvas, and other graphics behind them.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":3.5,"reference_s":1,"evidence":"目标为底部居中的白色字形及黑色描边字幕，先显示“绘制宽度280的矩形”，1.75秒起改为“颜色修改为绿色”。首个合格帧为0秒，最后为3.25秒；3.5秒字幕消失，故在此结束。区间始于视频开头，无更早采样帧。选择1秒作为关键帧，字幕完整清晰，便于单独标注字形及描边。","start_frame":0,"end_frame":84,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[370.7,900.9,629.8,959.3],"positive_points":[[382.7,930.6],[412.9,930.6],[444.7,913.9],[496.9,913.9],[555.8,939.8],[612.6,941.7]],"negative_points":[[500.5,870.4],[500.5,978.7],[351.9,931.5],[649.1,931.5]],"evidence":"底部中央可见中文字幕“绘制宽度280的矩形”。边界框紧贴整行字幕字形及黑色描边；六个正点分布于汉字和数字笔画，四个负点位于字幕上、下、左、右的外部背景，未包含画布或其他图形。"}},{"name":"SkillLearn logo text","description":"The bold “SkillLearn” wordmark near the top of the sidebar. It changes from black to white and later sits on a dark header rectangle.","membership":"Include only the wordmark glyphs. Exclude the sidebar fill, dark header backing, selection boxes, and guides.","id":"obj_005","temporal":{"status":"found","start_s":1.5,"end_s":28.0,"reference_s":16.0,"evidence":"目标是侧栏顶部粗体“SkillLearn”字标，仅包括文字 glyphs。1.50秒首次完整可见，前一帧1.25秒该位置只有灰色侧栏；此后文字由黑变白，并置于深色标题背景上。11.75—12.25秒被新绘制矩形短暂遮挡，前后位置及内容确认是同一字标。最后 qualifying 帧为27.75秒，仍完整可见；区间到达视频末尾，无后续帧。选择16.00秒作为关键帧，白色字标在深色背景上清晰、无遮挡，易与背景分离。","start_frame":36,"end_frame":672,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[189.8,199.1,248.7,217.6],"positive_points":[[192.4,201.9],[198.6,209.3],[209.1,207.4],[216.9,213.9],[225.2,208.3],[246.6,210.2]],"negative_points":[[177.3,208.3],[255.5,208.3],[219.5,231.5],[219,268.5]],"evidence":"目标是左侧栏顶部深色标题背景上的白色粗体“SkillLearn”。边界框紧贴完整单行字标，正点分布在各字母笔画上；负点位于字标外的深色背景及下方绿色侧栏，不包含字符内部空隙。"}},{"name":"Balance card","description":"The rounded card beneath the sidebar logo, displaying “Balance”, “$15,884.00”, and an ellipsis. Its background changes from pale lavender to dark green while its text becomes white.","membership":"Include the rounded card surface and boundary, both text lines, and the ellipsis. Exclude surrounding sidebar space and editor interaction indicators.","id":"obj_006","temporal":{"status":"found","start_s":1.5,"end_s":28.0,"reference_s":16.0,"evidence":"目标是侧栏标志下方的圆角余额卡，包含“Balance”、“$15,884.00”和省略号。1.50秒首次完整可见，前一帧1.25秒该位置仍被灰色侧栏矩形遮住。此后卡片持续存在，背景由淡紫色变为深绿色、文字变白，至最后采样帧27.75秒仍完整可见，因此区间结束于28.00秒；视频结束后无相邻帧。选择16.00秒作为关键帧，此时卡面边界和白色文字清晰，无选框或浮窗遮挡。","start_frame":36,"end_frame":672,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[165.8,304.6,276.9,373.1],"positive_points":[[175.7,317.6],[196,325.9],[207,351.9],[261.2,338.9],[268.5,361.1],[173.1,357.4]],"negative_points":[[159.5,338],[282.6,338],[219,284.3],[220.5,397.2]],"evidence":"目标是左侧 SkillLearn 标志下方的深绿色圆角余额卡，包含“Balance”“$15,884.00”和省略号。边界框紧贴完整卡片，正点分布于卡面、两行文字及省略号，负点位于卡片四周的侧栏背景，未包含编辑器指示元素。"}},{"name":"Sidebar navigation menu","description":"The vertical icon-and-label menu beneath the balance card, with “Buy a Course”, “Semister Info”, “Account”, “Change Subjects”, and “Settings”. “Semister Info” is more prominent than the other entries; the menu is repositioned and recolored white.","membership":"Include the five menu labels and their corresponding icons as one navigation unit. Exclude the logo, balance card, sidebar background, selection rectangle, and spacing annotations.","id":"obj_007","temporal":{"status":"found","start_s":1.5,"end_s":28.0,"reference_s":3.25,"evidence":"目标为余额卡下方的五组图标与标签：Buy a Course、Semister Info、Account、Change Subjects、Settings，其中 Semister Info 更突出。1.50 秒首次完整可见；前一帧 1.25 秒该区域仍被灰色矩形遮住。随后菜单虽移位并改为白色，仍持续存在，最后 qualifying 帧为 27.75 秒；区间到达视频末尾，无后续帧。选择 3.25 秒作为关键帧，五组图标和文字完整清楚，未受遮挡，便于排除上方余额卡及侧栏背景。","start_frame":36,"end_frame":672,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[170.5,427.8,261.7,666.7],"positive_points":[[205.4,436.1],[206.5,493.5],[176.7,489.8],[207,549.1],[237.2,601.9],[207,657.4]],"negative_points":[[219,352],[213.8,213],[313,556],[235,741]],"evidence":"目标是余额卡下方的五项图标与文字导航，其中“Semister Info”以深色突出显示。框覆盖从“Buy a Course”到“Settings”的全部标签及对应图标；正点分布在五项文字和信息图标上，负点位于余额卡、标志、右侧空白及菜单下方侧栏背景，均不属于目标。"}},{"name":"Navigation styling subtitles","description":"The next bottom-center Chinese instruction block, beginning “将导航信息放置在合适的位置”, then discussing white text and detail adjustments.","membership":"Include only the subtitle text and its outlines as the wording updates. Exclude the interface and graphics behind it.","id":"obj_008","temporal":{"status":"found","start_s":3.75,"end_s":10.5,"reference_s":4.0,"evidence":"目标是底部居中的白字黑色描边中文字幕：3.75秒首次完整显示“将导航信息放置在合适的位置”，随后更新为“文本颜色修改为白色”和“接着调整一些细节”。最后 qualifying 帧为10.25秒；前一帧3.50秒和后一帧10.50秒均无该字幕块。选择4.00秒作为关键帧，字幕完整清晰，与背景界面容易区分。","start_frame":90,"end_frame":252,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[309.2,900.9,690.3,960.2],"positive_points":[[322.2,931.5],[355.1,911.1],[384.8,934.3],[500.5,952.8],[560,940.7],[674.7,952.8]],"negative_points":[[292,925.9],[714.3,930.6],[484.9,873.1],[495.3,981.5]],"evidence":"目标是画面底部中央的中文字幕“将导航信息放置在合适的位置”。边界框紧贴整行字幕及其黑色描边；六个正点分布在不同汉字的字形或描边上，四个负点位于字幕左右及上下的外部背景，不包含后方界面。"}},{"name":"Navigation color picker","description":"The floating color editor opened beside the right inspector while the sidebar navigation is selected. It shows a color gradient, hue and opacity sliders, HEX and RGBA fields, and swatches; it is used for white foreground colors and the dark green balance-card fill.","membership":"Include the complete floating popup surface, boundary, labels, color controls, numeric fields, and swatches. Exclude the inspector behind it and the dashboard being edited.","id":"obj_009","temporal":{"status":"found","start_s":7.0,"end_s":11.0,"reference_s":7.75,"evidence":"目标是导航组选中时、右侧属性检查器旁的浮动颜色编辑器，包含渐变区、色相与透明度滑条、HEX/RGBA 数值及色板。首个完整帧为 7.00 秒，最后 qualifying 帧为 10.75 秒，期间用于白色前景和深绿色余额卡填充。6.75 秒尚无弹窗，11.00 秒弹窗已关闭。选择 7.75 秒作为关键帧，弹窗完整清晰、无遮挡，且与背后的检查器容易区分。","start_frame":168,"end_frame":264,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[706,359.3,854,873.1],"positive_points":[[727.8,382.4],[745.6,466.7],[822.7,560.2],[789.4,614.3],[764.3,673.1],[825,817.6]],"negative_points":[[917.6,498.1],[632.4,559.3],[782.1,899.1],[755.5,314.8]],"evidence":"目标是右侧检查器左边悬浮的颜色编辑弹窗，含渐变色区、色相和透明度滑条、HEX/RGBA字段及底部色板。边界框覆盖完整弹窗表面与边界；正点分布在标题区、渐变区、滑条、数值字段和色板，负点位于右侧检查器及弹窗外的画布背景。"}},{"name":"Logo header rectangle","description":"The shorter rectangle drawn across the top of the sidebar at 280 × 100. It initially appears gray and is changed to near-black to emphasize the white SkillLearn wordmark.","membership":"Include the header rectangle’s surface and boundary and the logo displayed within it. Follow its rounded upper-left corner when present. Exclude the green sidebar below, editor handles, and dimension annotations.","id":"obj_010","temporal":{"status":"found","start_s":12.5,"end_s":28.0,"reference_s":17.0,"evidence":"目标是侧栏顶部的280×100短矩形及其中的SkillLearn标志，初为灰色，随后改为近黑色。12.50秒首次完整呈现矩形和白色标志；前一帧12.25秒仍在绘制矩形，标志被遮住。此后持续存在，最后合格帧为27.75秒，区间延至视频结束28.00秒，无后续帧。选择17.00秒作为关键帧，此时黑色表面、左上圆角和白色标志清晰，且无编辑选框遮扰。","start_frame":300,"end_frame":672,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[154.8,166.7,287.8,251.0],"positive_points":[[168.4,195.4],[198.1,178.7],[270.6,186.1],[219.0,209.3],[175.2,236.1],[272.2,238.0]],"negative_points":[[211.7,279.6],[304.4,181.5],[224.2,142.6],[142.9,218.5]],"evidence":"目标是绿色侧栏顶部承载白色“SkillLearn”字样的近黑色页眉矩形。边框紧贴其可见范围，包含左上圆角及内部标志，不含下方绿色侧栏。正点分布于黑色表面和标志处，负点位于下方绿色区域、右侧白色区域及外部灰色画布。"}},{"name":"Logo header color picker","description":"A later floating color editor opened for the short sidebar header rectangle. Its HEX field changes from “D8D8D8” to near-black values while the logo backing darkens.","membership":"Include the entire floating color popup, including its gradient, sliders, fields, swatches, and boundary. Exclude the right inspector and the header rectangle itself.","id":"obj_012","temporal":{"status":"found","start_s":13.5,"end_s":16.0,"reference_s":14.75,"evidence":"目标是右侧检查器左边、用于侧栏顶部 Logo 背景矩形的浮动颜色编辑器，包含渐变区、滑条、HEX 字段和色板；HEX 从 D8D8D8 改为近黑色，Logo 背景同步变暗。首个完整帧为13.50秒，最后完整帧为15.75秒；此前13.25秒尚无弹窗，此后16.00秒弹窗已关闭。选择14.75秒作为关键帧，弹窗边界和全部控件清晰可见，且近黑色字段明确对应目标。","start_frame":324,"end_frame":384,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[705.9,358.3,854,959.3],"positive_points":[[724.7,383.3],[781,472.2],[810.7,571.3],[778.4,621.3],[750.8,673.1],[805.5,896.3]],"negative_points":[[924.4,633.3],[219,205.6],[646.5,463],[776.9,981.5]],"evidence":"目标是右侧检查器左边的浮动颜色编辑器，HEX 显示为 1A1A1A，与已变黑的徽标背景对应。边界框覆盖整个弹窗，包括标题、渐变区、滑条、字段和底部色板。正点分布在弹窗各主要区域；负点位于右侧检查器、黑色徽标背景、左侧画布及弹窗下方外部背景。"}},{"name":"Toolbar header background","description":"The wide rectangle drawn to the right of the logo header at 1160 × 100. It changes from gray to white, is placed behind the dashboard toolbar, and receives a faint black bottom stroke.","membership":"Include the rectangle’s surface, outer boundary, bottom stroke, and toolbar contents within it. Follow the rounded upper-right corner when visible. Exclude the dashboard body below and editor selection or alignment indicators.","id":"obj_013","temporal":{"status":"found","start_s":19.25,"end_s":28.0,"reference_s":26.25,"evidence":"目标是 Logo 标头右侧的 1160×100 宽矩形，随后置于工具栏内容后方，由灰色改为白色，并添加淡黑色底边。19.00 秒仍在拖绘，尺寸为 1051×90；19.25 秒矩形绘制完成，首次符合条件。此后持续存在，最后符合帧为 27.75 秒，视频于 28.00 秒结束，无后续帧。选择 26.25 秒作为关键帧，此时白色背景、右上圆角、工具栏内容及淡底边均清楚可见。","start_frame":462,"end_frame":672,"reference_frame":630},"grounding":{"status":"found","bbox_xyxy":[287.8,166.7,837.9,250.9],"positive_points":[[302.9,179.6],[417.1,221.3],[548.5,183.3],[647.0,222.2],[757.6,220.4],[800.2,220.4]],"negative_points":[[219.0,208.3],[514.1,365.7],[221.6,420.4],[524.5,131.5]],"evidence":"目标是黑色 SkillLearn 标志右侧的白色横向工具栏背景。框覆盖其表面、搜索框、筛选框、通知与头像，包含右上圆角和底部淡描边，不含下方主体。正点分布于背景及工具栏内容；负点位于左侧标志、绿色侧栏、下方正文和上方编辑器背景。"}},{"name":"Stroke-side menu","description":"The compact dropdown opened in the right inspector to change the toolbar header’s stroke from “四边” to “底部”, with other options including “顶部”, “左侧”, “右侧”, and “自定义”.","membership":"Include the dropdown surface, boundary, option labels, icons, and checkmark. Exclude the inspector controls beneath it and the dashboard header being modified.","id":"obj_014","temporal":{"status":"found","start_s":22.75,"end_s":24.25,"reference_s":23.0,"evidence":"目标是右侧检查器中展开的描边侧边下拉菜单，包含“四边、顶部、底部、左侧、右侧、自定义”及图标、勾选标记。首个完整可见帧为22.75秒，最后一帧为24.0秒；此前22.5秒菜单尚未展开，此后24.25秒菜单已关闭。选择23.0秒作为关键帧，菜单表面和边界完整，选项清晰且无高亮遮扰。","start_frame":546,"end_frame":582,"reference_frame":552},"grounding":{"status":"found","bbox_xyxy":[907.7,510.2,999.5,740.7],"positive_points":[[921,535],[949,569],[942,602],[954,635],[937,669],[954,714]],"negative_points":[[939,772],[881,632],[946,483],[679,222]],"evidence":"右侧检查器中打开的描边侧边下拉菜单包含“四边、顶部、底部、左侧、右侧、自定义”，且“四边”旁有勾选标记。边框紧贴整个菜单面板，包含背景、边界、文字和图标。六个正点分布于各选项及菜单表面；负点位于菜单下方和左侧的检查器控件、上方区域及被修改的仪表盘页眉。"}}]}
+{"video_id":14,"video_type":"desktop and application interfaces","targets":[{"name":"Icons asset library panel","description":"The left sidebar with the selected “Assets” tab, a library search field, and the breadcrumb “Simple Design System / Icons”. Its two-column grid scrolls from activity and alert icons to directional arrows.","membership":"Includes the asset browser surface, boundary, tabs, search controls, breadcrumb, scrollbar, and displayed asset cards with their labels. Excludes the file header above the tabs, the central workspace, and the cursor.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":16.75,"reference_s":0.5,"evidence":"通过左侧选中的 Assets 标签、搜索框、“Simple Design System / Icons”面包屑及双列图标卡片识别目标。首个合格帧为0.00秒，最后为16.50秒；期间滚动仅改变面板内容。16.75秒画面放大，面板左侧及上部被画面边界裁切，结束此次完整呈现。视频开头之前无采样帧。选择0.50秒作为关键帧，面板边界与各组成部分清晰、遮挡少。","start_frame":0,"end_frame":402,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[0,194.4,219.8,1000],"positive_points":[[66.7,227.8],[100,301],[91,352],[59,462],[160,676],[58,890]],"negative_points":[[70,127],[260,500],[131,825],[822,400]],"evidence":"通过选中的 Assets 标签、搜索框及“Simple Design System / Icons”面包屑识别左侧资源库面板。边界框从标签栏上沿覆盖至图像底部，包括面板表面、控件、滚动条和可见资源卡片及标签，不含上方文件标题区。正点分布于标签、搜索框、面包屑和不同位置的资源卡片；负点位于上方文件标题区、中央工作区、紫色光标及右侧属性面板。"}},{"name":"Icons design frame","description":"The white rectangular design frame labeled “Icons” in the central dark workspace. It begins empty and receives the circular right-arrow icon.","membership":"Includes the white frame surface, its boundary, and all content placed inside it, including the separately listed arrow icon. Excludes the external “Icons” label, surrounding dark workspace, selection outlines, handles, and alignment guides.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":8,"evidence":"目标是中央暗色工作区中标有外部“Icons”标签的白色矩形画框，起初为空，随后放入圆形右箭头。首个合格帧为0秒，最后为19.75秒，画框表面及完整边界均可见；20秒放大后画框超出视口，边界被裁切，故结束于20秒。视频起点之前没有采样帧。选择8秒作为关键帧，画框完整清晰，内部箭头可辨，且没有弹出菜单遮挡。","start_frame":0,"end_frame":480,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[282.3,264.8,702.6,723.1],"positive_points":[[313.5,319.4],[646.9,328.7],[338.5,645.4],[657.3,657.4],[572.9,472.2],[453.1,499.1]],"negative_points":[[292.7,242.6],[244.8,463],[729.2,546.3],[489.6,787]],"evidence":"目标是中央深色工作区中、外部“Icons”标签下方的白色矩形设计画框。边界框紧贴白色画框四边，包含内部圆形右箭头，不包含外部标签、选择框及对齐辅助线。正点分布在画框各处白色表面和箭头圆环上；负点位于外部标签及周围深色工作区。"}},{"name":"Design properties panel","description":"The right sidebar under “Design”, initially showing page color, local variables, and local styles. It later displays the selected arrow component’s size and position, then frame properties after detachment.","membership":"Includes the properties sidebar surface, boundary, headings, fields, controls, and displayed values. Excludes the sharing controls above it, floating menus extending over the workspace, and the overlaid help button.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":24,"reference_s":0,"evidence":"目标是右侧 Design 下方的白色属性侧栏，包含页面颜色、Local variables、Local styles，随后更新为箭头组件及分离后的 Frame 属性；不包含顶部分享控件、浮动菜单和帮助按钮。首个合格帧为 0.00 秒，最后为 23.75 秒，侧栏持续存在，中途画面放大和内容更新未改变其身份。区间已覆盖视频首尾，两端均无外侧采样帧。选择 0.00 秒作为关键帧，因为侧栏边界完整、属性清晰且无浮动菜单遮挡。","start_frame":0,"end_frame":576,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[780.2,111.1,1000,1000],"positive_points":[[812,133],[853,257],[890,338],[844,512],[870,688],[921,875]],"negative_points":[[966,74],[963,935],[740,534],[655,942]],"evidence":"目标是右侧以 Design 标签开头的属性侧栏，显示 Page 颜色、Local variables 和 Local styles。框覆盖侧栏表面、边界及内部控件，从标签栏延伸至图像底部，不含上方分享区域。正点分布于标签、颜色字段、变量区和样式区；负点位于分享按钮、叠加帮助按钮、左侧工作区及底部浮动工具栏。"}},{"name":"Arrow right-circle asset card","description":"The asset card in the right column of the left library, beside “Arrow right”. Its black right-pointing arrow enclosed by a circle is selected and dragged onto the design frame.","membership":"Includes this card’s thumbnail surface and boundary, circular arrow preview, and associated asset label. Excludes neighboring cards, hover and selection highlights, the cursor, and the separate copy dragged into the workspace.","id":"obj_004","temporal":{"status":"found","start_s":20.0,"end_s":24.0,"reference_s":21.0,"evidence":"目标是左侧资源库右列、与“Arrow right”并排的“Arrow right-ci...”卡片，包含缩略图底面、边界、圆圈右箭头及标签，不包含画布中的副本。选择缩放恢复后的一次连续完整出现：首帧20.00秒，末帧23.75秒；前一帧19.75秒该卡片仍被画面下边界裁切。此后至视频结束持续完整可见，24.00秒之后无采样帧。21.00秒卡片清晰且无遮挡，适合标注。","start_frame":480,"end_frame":576,"reference_frame":504},"grounding":{"status":"found","bbox_xyxy":[116.7,554.6,204.2,740.7],"positive_points":[[129,577],[192,687],[143,632],[165,631],[160,663],[127,729]],"negative_points":[[58,632],[160,417],[395,380],[215,630]],"evidence":"目标是左侧资源库右列、与“Arrow right”并排的“Arrow right-ci...”资源卡。框覆盖缩略图表面及边界、圆圈右箭头预览和下方标签。正点分布在卡片表面、预览笔画和标签文字上；负点位于左邻卡、上方卡、画布中的独立箭头副本及卡片外背景。"}},{"name":"Placed circular right-arrow icon","description":"The black right-pointing arrow enclosed in a black circular ring, dragged from the library onto the white frame. It is reduced from 48 × 48 to 24 × 24, detached from its component, and subsequently shown enlarged by zooming.","membership":"Includes the outer circular boundary and the entire enclosed area, including the right-pointing arrow and white interior. Excludes the surrounding square component bounds, selection handles, dimension badges, alignment guides, and cursor. The library preview is a separate subject.","id":"obj_005","temporal":{"status":"found","start_s":6.25,"end_s":24.0,"reference_s":21.0,"evidence":"目标是从资源库拖出的黑色圆环右箭头，包含圆环、箭头及白色内部，不含选择框。6.25秒首次出现独立于库预览的完整拖动图标，随后进入白色画板、缩为24×24、分离实例并放大显示，持续至最后采样帧23.75秒。前一帧6.00秒仅有库中的选中预览，尚无独立拖出图标。区间到达视频末尾，没有后续帧。选择21.00秒作为关键帧，此时图标放大、结构清晰，且无选择框或光标遮挡。","start_frame":150,"end_frame":576,"reference_frame":504},"grounding":{"status":"found","bbox_xyxy":[357.3,313.9,432.3,447.2],"positive_points":[[394.8,321.3],[362.5,376.9],[425,398.1],[392.2,437.5],[390.6,380.6],[394.8,339.8]],"negative_points":[[505.2,412],[160.4,631.5],[341.1,370.4],[399,472.2]],"evidence":"目标是画布中独立放置的黑色圆环右箭头，而非左侧素材库预览。边界框紧贴圆形外缘；正点覆盖圆环、箭头及按要求包含的白色内部，负点位于外围画布、右侧光标和素材库中的相似图标。"}},{"name":"Component Size control","description":"The “Size” property near the top of the right properties sidebar for the selected arrow component. Its dropdown initially reads “48” and is changed to “24”.","membership":"Includes the “Size” label and its associated dropdown field, field boundary, current value, and chevron as one functional unit. Excludes surrounding component information and the separately listed expanded menu.","id":"obj_006","temporal":{"status":"found","start_s":7.5,"end_s":16.75,"reference_s":8.5,"evidence":"目标为右侧属性栏顶部的“Size”标签及其下拉框，初值为48，随后改为24，不包括展开的选项菜单。首个合格帧为7.50秒；前一帧7.25秒右栏仍显示Page属性，尚无此控件。下拉菜单造成的短暂遮挡不打断其连续存在。最后合格帧为16.50秒，16.75秒画面放大使下拉框越过右侧边界而被裁切。选择8.50秒作为关键帧，标签、边框、数值48及箭头均清晰完整。","start_frame":180,"end_frame":402,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[795.8,276.9,964.6,315.7],"positive_points":[[799.8,295.4],[809.4,297.2],[895.3,295.4],[952.5,296.3],[926.6,277.8],[938.0,305.6]],"negative_points":[[847.9,243.5],[816.1,368.5],[982.3,295.4],[854.2,328.7]],"evidence":"目标位于右侧属性栏顶部，是“Size”标签与当前显示“48”的下拉框。边界框覆盖标签及完整字段（含边界、数值和下拉箭头），不含右侧独立图标。正点分布于标签文字和字段各部分；负点位于上方组件信息、下方Position标题、右侧独立图标及控件外背景。"}},{"name":"Size options menu","description":"The dark floating dropdown opened from the component’s Size field. It shows the numeric choices “24”, “32”, “40”, “48”, and “16”, with a checkmark initially beside “48”.","membership":"Includes the complete floating menu surface, rounded boundary, numeric options, checkmark, and menu navigation indicator. Excludes the underlying properties panel and cursor.","id":"obj_007","temporal":{"status":"found","start_s":9.25,"end_s":12.25,"reference_s":9.5,"evidence":"目标为右侧 Size 字段展开的深色圆角浮动菜单，含 24、32、40、48、16 数值、48 旁的勾选标记及顶部导航指示。首个完整帧为 9.25 秒，最后完整帧为 12.00 秒；此前 9.00 秒仅显示未展开的 Size 字段，此后 12.25 秒菜单关闭且字段变为 24。选择 9.50 秒作为关键帧，菜单边界及各选项清楚，光标遮挡较少。","start_frame":222,"end_frame":294,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[767.7,140.7,964.6,366.7],"positive_points":[[805.2,179.6],[804.7,219.4],[866.1,159.3],[926.0,258.3],[786.5,296.3],[804.7,334.3]],"negative_points":[[923.4,340.7],[745.8,243.5],[982.8,296.3],[838.5,398.1]],"evidence":"目标是右上方深色浮动尺寸菜单，显示24、32、40、48和16，48旁有勾选标记。边界框紧贴菜单圆角外边界，涵盖完整菜单表面及导航指示。正点分布在数字选项、导航指示、选中行和菜单表面；负点位于紫色光标、左侧画布及菜单外的属性面板，排除这些对象。"}},{"name":"Arrow context menu","description":"The dark right-click menu opened beside the selected small arrow on the canvas. It scrolls through editing commands to reveal component commands including “Swap instance”, “Change variant”, and “Detach instance”.","membership":"Includes the menu surface, rounded boundary, all currently visible command labels, shortcuts, separators, submenu chevrons, and scroll indicators. The separately listed “Detach instance” command remains within this container. Excludes the underlying canvas, arrow, and cursor.","id":"obj_008","temporal":{"status":"found","start_s":13.5,"end_s":19.0,"reference_s":16.0,"evidence":"目标是画布中小箭头旁的深色圆角右键菜单，滚动后显示“Swap instance”“Change variant”“Detach instance”等组件命令。首个完整呈现帧为13.50秒，最后 qualifying 帧为18.75秒；前一帧13.25秒仅有选中的箭头，尚无菜单，后一帧19.00秒菜单已关闭。选择16.00秒作为关键帧，此时菜单完整位于画面内，边界和组件命令清晰，便于标注整个容器。","start_frame":324,"end_frame":456,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[455.7,138.9,638,890.7],"positive_points":[[546.9,158.3],[498.4,201.9],[607.3,318.5],[506.3,502.8],[574.5,656.5],[540.1,801.9]],"negative_points":[[543.8,583.3],[445.3,507.4],[677.1,490.7],[416.7,305.6]],"evidence":"目标是画布中央偏右的深色圆角右键菜单，可见“Swap instance”“Change variant”“Detach instance”等命令。边界框覆盖完整菜单表面、文字、快捷键及上下滚动指示，不含外侧阴影。正点分布在菜单上中下部；负点位于被排除的紫色光标、选中箭头和菜单外的白色画布。"}},{"name":"Detach instance command","description":"The “Detach instance” command in the arrow’s context menu, below “Change variant” and above “Go to main component”. It is highlighted, shown in close-up, and activated.","membership":"Includes the command label and its displayed keyboard shortcut as one reading unit. Excludes the blue hover backing, surrounding menu surface, adjacent commands, and cursor.","id":"obj_009","temporal":{"status":"found","start_s":15.5,"end_s":19.0,"reference_s":17.5,"evidence":"目标为箭头右键菜单中位于“Change variant”下方、“Go to main component”上方的“Detach instance”文字及键盘快捷键，不含蓝色悬停背景。15.5秒首次完整显示，18.75秒为最后 qualifying 帧；此前15.25秒菜单尚未滚动显示该命令，之后19.0秒菜单已关闭。选择17.5秒近景，命令文字和快捷键清晰，便于区分相邻菜单项。","start_frame":372,"end_frame":456,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[454.7,581.5,686,606.5],"positive_points":[[456.8,593.5],[509.9,592.6],[576.6,601.9],[646.9,594.4],[665.1,592.6],[677.3,593.5]],"negative_points":[[500,572.2],[500,535.2],[610.4,634.3],[625,692.6]],"evidence":"目标是上下文菜单中位于“Change variant”下方、“Go to main component”上方的“Detach instance”。框仅覆盖命令文字及右侧快捷键；正点分布在文字和快捷键笔画上，负点位于蓝色高亮背景、相邻命令、紫色光标及其他菜单区域，均不属于目标。"}}]}
+{"video_id":15,"video_type":"desktop and application interfaces","targets":[{"name":"To-do column","description":"The task column headed “代办区”, initially enlarged in a tall white panel and later shown at the left of the three-column board. Its count increases as six video-production tasks are added, then decreases as cards are moved out.","membership":"Include the column’s header, count, drag handle, enclosing surface and boundary, task cards, and card-entry or add-card controls. Follow its changing presentation and size. Exclude neighboring columns, the surrounding application, input-method popups, and added emphasis effects.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":28,"reference_s":20.5,"evidence":"通过“代办区”标题、拖动柄、数量及视频制作任务卡片识别该列；它从放大的竖向面板连续变为三列看板的左列，内容和数量随操作改变。首个合格帧为0秒，末个为27.75秒；中间缩放、模糊转场及强调层遮挡前后可确认同一列持续存在。区间覆盖视频首尾，两端均无额外相邻帧。选择20.5秒，列的标题、计数、全部六张卡片、添加控件和边界清晰，且无输入法弹窗或强调效果遮挡。","start_frame":0,"end_frame":672,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[67,158,347,727],"positive_points":[[125,175],[317,175],[175,253],[199,393],[180,535],[207,682]],"negative_points":[[498,322],[789,319],[40,465],[215,803]],"evidence":"目标是左侧标题为“代办区”、计数为6的待办列。框覆盖标题、拖动手柄、计数及下方包含六张任务卡和“+添加卡片”的完整列面板。正点分布在标题、计数、任务卡及添加控件上；负点位于相邻两列和列外的应用背景。"}},{"name":"In-progress column","description":"The middle column headed “进行中”, initially partly obscured by the enlarged to-do panel. Its capacity indicator changes from “0/2” to “1/2” and finally “2/2” as task cards enter.","membership":"Include the column header and capacity indicator, its bounded card area, contained cards, and “+添加卡片” control. Exclude the adjacent columns and the shared board surface outside this column.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":28,"reference_s":22.5,"evidence":"目标是中间的“进行中”列，包含容量计数、卡片区域及“+添加卡片”控件。首帧0.00秒已存在，其左部被放大的待办面板遮挡，右部边界和“0/2”可见；随后完整显露，计数随卡片进入变为“1/2”、最终“2/2”。最后 qualifying 帧为27.75秒，该列仍在。区间覆盖视频首尾，两端均无区间外采样帧。选择22.50秒作为关键帧，此时列边界、标题、计数和所含卡片清晰，无遮挡。","start_frame":0,"end_frame":672,"reference_frame":540},"grounding":{"status":"found","bbox_xyxy":[359.4,159.7,639.1,373.6],"positive_points":[[415,177],[604,176],[444,251],[383,306],[500,326],[611,347]],"negative_points":[[207,393],[786,320],[509,481],[502,134]],"evidence":"目标是中间标题为“进行中”、容量显示“1/2”的列。框覆盖列标题及拖动标记、容量指示、卡片区域、其中的“阅读并拆解《看板实战》”卡片和“+添加卡片”控件。正点分布在标题、容量、卡片及列内表面和添加控件上；负点位于左右相邻列以及本列上、下方的共享看板表面。"}},{"name":"Completed column","description":"The right-hand column headed “已完成”, showing a count of “0” and an empty card area throughout the demonstration.","membership":"Include the header, count, drag handle, bounded empty card area, and “+添加卡片” control. Exclude the surrounding board surface and neighboring columns.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":28,"reference_s":22.5,"evidence":"目标是看板右侧标题为“已完成”、计数为“0”的列，包含拖动柄、空卡片区域及“+添加卡片”控件。首个合格帧为0.00秒，最后为27.75秒；期间虽有缩放和过渡模糊，该列始终连续存在且结构完整。区间覆盖视频首尾，两端均无额外相邻帧。选择22.50秒作为关键帧，此时目标边界、标题和控件清晰，无遮挡，容易与相邻列区分。","start_frame":0,"end_frame":672,"reference_frame":540},"grounding":{"status":"found","bbox_xyxy":[651,161,932,369],"positive_points":[[667,176],[703,175],[901,175],[689,248],[906,282],[791,323]],"negative_points":[[603,252],[415,176],[786,425],[956,287]],"evidence":"目标是右侧标题为“已完成”、计数为“0”的列。边界框覆盖标题、拖动柄、计数、下方有界空卡片区域及“+添加卡片”控件。正点分布于这些组成部分，负点位于左侧相邻列以及目标下方、右侧的外围区域。"}},{"name":"Narration subtitles","description":"A continuously updating Chinese subtitle block along the bottom, explaining task creation, tagging, card counts, movement between columns, and management of flow.","membership":"Include only the visible subtitle lettering as one updating text block. Exclude its dark rounded backing and the application content behind it.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":28,"reference_s":22.5,"evidence":"目标是画面底部持续更新的白色中文字幕，仅包括文字，不包括深色圆角底板。首帧0.00秒字幕已完整呈现，末帧27.75秒仍清晰显示，期间虽更换文字但同一字幕块持续存在。区间到达视频首尾，没有区间外相邻采样帧。选择22.50秒作为关键帧，字幕“改变这些卡片所属的列”完整清晰、无遮挡，易与应用内容区分。","start_frame":0,"end_frame":672,"reference_frame":540},"grounding":{"status":"found","bbox_xyxy":[376.6,933.3,623.4,975],"positive_points":[[378.1,938.9],[413.3,944.4],[486.7,952.8],[536.7,958.3],[579.7,956.9],[621.1,954.2]],"negative_points":[[390,985],[500,919],[686,951],[548,876]],"evidence":"底部可见字幕“改变这些卡片所属的列”。边界框仅覆盖整行字幕文字，不含深色圆角底板；六个正点分布在不同汉字的笔画上，负点位于文字外的底板及周围应用背景。"}},{"name":"Reading and analysis task card","description":"The task titled “阅读并拆解《看板实战》”, entered first in the to-do column. It later becomes the first card dragged into the in-progress column.","membership":"Include the complete task card surface, border, and title, including its editable field while the title is being composed. Follow the same card during dragging and after relocation. Exclude input-method candidate windows, cursor graphics, click rings, and added selection or emphasis outlines.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":28,"reference_s":22.5,"evidence":"目标是最先输入“阅读并拆解《看板实战》”的任务卡，包含标题编写时的编辑框。0.00秒其完整输入框表面与边界已建立，随后成为待办区首张卡，并于21至22.25秒被拖至进行中列；其身份连续可追踪。最后一帧27.75秒仍在进行中列顶部，因此区间覆盖至视频结束28.00秒，首尾均无区间外相邻帧。选择22.50秒作为关键帧，此时卡片已迁入进行中列，标题、表面和边界清楚，无拖拽光标或强调框遮挡。","start_frame":0,"end_frame":672,"reference_frame":540},"grounding":{"status":"found","bbox_xyxy":[364.1,219.4,633.6,283.3],"positive_points":[[379,249],[425,250],[482,251],[526,251],[572,243],[617,267]],"negative_points":[[414,177],[493,328],[222,248],[789,248]],"evidence":"目标为“进行中”列顶部标题为“阅读并拆解《看板实战》”的任务卡。边界框覆盖整张卡片的白色表面、边框及标题；正点分布在标题和卡片表面，负点位于列标题、添加卡片区域及左右其他列，均不包含鼠标指针。"}},{"name":"Scriptwriting task card","description":"The card titled “脚本创作”, initially second in the to-do column. The tag “#重要” is added to it, and it later appears beneath the reading task in the in-progress column.","membership":"Include the full card boundary and surface, title, attached tag, and inline editing controls when present. Follow it into the in-progress column. Exclude input-method popups and external emphasis graphics.","id":"obj_006","temporal":{"status":"found","start_s":8.5,"end_s":28.0,"reference_s":20.5,"evidence":"目标为待办区第二张“脚本创作”任务卡，后续添加“#重要”标签并移至进行中列。7.75、8.00及8.25秒处于快速添加卡片的模糊转场，不能确认独立完整的目标；8.50秒是首个标题及卡片边界可辨的4 fps采样帧，8.625及8.75秒清晰帧确认其身份。中途说明面板遮挡后仍可对应同一卡片，末个采样帧27.75秒仍可见，故区间为[8.50,28.00)。选择20.50秒作为关键帧，此时标题、完整边界和标签清楚可见。","start_frame":204,"end_frame":672,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[72.7,290.3,341.4,354.2],"positive_points":[[83,307],[100,324],[173,326],[237,315],[263,341],[324,337]],"negative_points":[[165,252],[159,394],[301,300],[58,324]],"evidence":"目标为左侧“代办区”第二张“脚本创作”卡片，附有“#重要”标签。边界框覆盖整张卡片的边界、表面、标题及标签；正点分布于这些内容和卡片表面，负点位于上下相邻任务卡、叠加鼠标指针及卡片左侧外部背景。"}},{"name":"Video recording task card","description":"The card titled “视频录制”, initially below the scriptwriting card in the to-do column. In the wider board view it carries the tag “#非常重要” and remains in the to-do column.","membership":"Include the complete card surface, boundary, title, and attached tag. Exclude neighboring cards, cursor indicators, and added emphasis effects.","id":"obj_007","temporal":{"status":"found","start_s":8.75,"end_s":28.0,"reference_s":20.5,"evidence":"目标为待办区中位于“脚本创作”下方的“视频录制”卡片，宽看板视图中附有“#非常重要”标签。8.75秒首次完整呈现卡片表面、边界和标题；前一帧8.50秒仍处于模糊揭示过渡。此后该卡片持续留在待办区，最后一帧27.75秒仍可见，因此区间延至视频末尾28.00秒，无后续帧。20.50秒卡片及标签清晰完整，便于空间标注。","start_frame":210,"end_frame":672,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[72.7,361.1,341.4,423.6],"positive_points":[[105.5,391.7],[182.8,391.7],[251.6,384.7],[318,398.6],[88.3,412.5],[228.9,408.3]],"negative_points":[[104.7,322.2],[110.2,463.9],[58.6,393.1],[359.4,391.7]],"evidence":"目标是左侧待办区中位于“脚本创作”下方、带“#非常重要”标签的“视频录制”卡片。框覆盖整张卡片的表面、边界、标题及标签；正点分布在标题、标签和卡片表面，负点位于上下相邻卡片及左右外部背景，未包含光标。"}},{"name":"Material search task card","description":"The task card titled “寻找素材”, added below the video-recording task in the to-do column and retained there as other cards move out.","membership":"Include its entire bounded card surface and title, including the editable entry state. Exclude other cards and any input-method popup.","id":"obj_008","temporal":{"status":"found","start_s":8.5,"end_s":28.0,"reference_s":22.5,"evidence":"目标为待办列中位于“视频录制”下方的“寻找素材”任务卡，包含可编辑输入状态。8.25秒卡片仍受重度转场模糊影响；8.50秒首个合格4 fps采样帧已呈现独立边界及可辨标题，8.625及8.75秒清晰帧确认身份。随后一直保留在待办列，末个采样帧27.75秒仍可见，故区间为[8.50,28.00)。关键帧22.50秒的边界和标题清楚，无遮挡。","start_frame":204,"end_frame":672,"reference_frame":540},"grounding":{"status":"found","bbox_xyxy":[72.7,361.1,341.4,425],"positive_points":[[89,391],[132,394],[185,378],[240,404],[292,382],[328,401]],"negative_points":[[142,324],[114,465],[422,252],[59,391]],"evidence":"目标是左侧“代办区”中位于“视频录制”下方、“剪辑”上方的“寻找素材”卡片。边界框覆盖该卡片完整表面及标题；正点分布在标题和卡片表面，负点位于上下相邻卡片、进行中列的其他卡片及左侧外部背景。"}},{"name":"Editing task card","description":"The task titled “剪辑”, visibly composed in the entry field below “寻找素材” before becoming a saved card in the to-do column.","membership":"Include the task’s editable field while being entered and its complete card surface, boundary, and title once saved. Exclude the Chinese input-method candidate popup and surrounding cards.","id":"obj_009","temporal":{"status":"found","start_s":9.25,"end_s":28.0,"reference_s":22.75,"evidence":"目标是“寻找素材”下方的“剪辑”任务输入框及保存后的卡片。9.25秒输入框表面和边界已完整出现，随后输入拼音并显示“剪辑”；前一帧9.00秒尚无该输入框。保存后卡片持续位于待办列，后段虽被紫色说明面板遮挡，27.75秒再次可见，确认其连续存在。最后 qualifying 帧为27.75秒，区间延至视频结尾28.00秒，无后续帧。选择22.75秒，卡片标题及边界清晰，无遮挡且无输入法候选框。","start_frame":222,"end_frame":672,"reference_frame":546},"grounding":{"status":"found","bbox_xyxy":[72.7,432,341.4,494.4],"positive_points":[[89,463],[106,465],[156,449],[231,477],[289,451],[327,478]],"negative_points":[[158,393],[160,534],[357,463],[204,606]],"evidence":"目标是左侧“代办区”中位于“寻找素材”下方、“发布”上方的“剪辑”卡片。边界框覆盖完整卡片表面、边界及标题；正点分布在标题和卡片表面，负点位于上下相邻卡片、右侧外部背景及下方添加卡片区域。"}},{"name":"Publishing task card","description":"The card titled “发布”, appearing below “剪辑” as the sixth task in the to-do column. It remains the last saved task in that column.","membership":"Include the full card surface, boundary, and title. Exclude the separate empty card-entry field or add-card control beneath it.","id":"obj_010","temporal":{"status":"found","start_s":13.0,"end_s":28.0,"reference_s":14.0,"evidence":"目标是待办区中位于“剪辑”下方、标题为“发布”的最后一张已保存任务卡，不包括其下方的空白输入框。13.0秒首次可见完整卡片，虽有转场模糊；前一帧12.75秒仍只有截至“剪辑”的五张任务卡。之后该卡持续存在，期间被紫色说明面板短暂遮挡，27.75秒仍可见，故区间延续至视频结束28.0秒，无后续帧。14.0秒卡面、边界及标题清楚且无遮挡，适合标注。","start_frame":312,"end_frame":672,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[200.8,651.4,514.1,725],"positive_points":[[218,687],[240,688],[304,680],[398,699],[487,676],[457,712]],"negative_points":[[236,605],[253,777],[539,688],[178,688]],"evidence":"目标是待办区中位于“��辑”下方、空白卡片标题输入框上方的第六张任务卡“发布”。边界框覆盖该卡片完整表面、边界和标题；正点分布在标题及卡片表面，负点位于上方“剪辑”卡片、下方输入框及卡片外侧背景。"}},{"name":"Kanban core principles text","description":"A large white text block on a purple overlay at the upper left reads “看板的核心原则”, followed by “1.可视化”, “2.限制在制品”, and “3.管理流动”. It introduces the principle illustrated by moving cards.","membership":"Include the heading and all three numbered lines as one coherent text block. Exclude the purple backing panel, its shadow, and the board visible behind it.","id":"obj_011","temporal":{"status":"found","start_s":23.75,"end_s":27.5,"reference_s":24.0,"evidence":"目标是左上角紫色面板上的白色文字组，包含“看板的核心原则”和三条编号原则，不包括背景面板。23.75秒首次完整清晰呈现，前一帧23.50秒文字仍处于模糊显现阶段；最后 qualifying 帧为27.25秒，27.50秒文字开始模糊淡出。选择24.00秒作为关键帧，四行文字清晰完整且无遮挡。","start_frame":570,"end_frame":660,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[57.8,136.1,374.2,545.8],"positive_points":[[74.2,145.8],[370.3,166.7],[139.1,291.7],[92.2,422.2],[121.1,488.9],[305.5,497.2]],"negative_points":[[220,100],[219,580],[477,443],[806,245]],"evidence":"目标是左上紫色浮层上的白色标题“看板的核心原则”及其下三条编号原则。边界框紧贴完整四行文字；正点分布在标题和各编号行的字形笔画上，负点位于文字块外的紫色底板及右侧看板区域，不包含文字内部间隙。"}}]}
+{"video_id":16,"video_type":"desktop and application interfaces","targets":[{"name":"Annotations sidebar","description":"The pale left-hand Zotero panel headed by the “搜索注释” search field. Initially empty, it gains a yellow annotation card labeled “页 70”, with comment and tag fields when selected. After the document switch, it displays a scrollable collection of colored annotations labeled “页 1” and “页 2”.","membership":"Include the sidebar surface, boundary, search field, annotation cards and their controls, empty space, internal scrollbar, and bottom color filters when visible. Exclude the application menus, document tabs, main reader toolbar, and adjacent PDF pages.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":15.5,"evidence":"目标是左侧以“搜索注释”搜索框为首的浅色注释侧栏，其表面和边界从0秒起已完整显示。它先为空，随后出现“页70”黄色注释卡及评论、标签控件；切换文档后仍是同一侧栏，内容变为“页1”“页2”等多色注释。首个合格帧为0秒，最后为15.75秒，全程持续存在，因此区间为[0,16)。区间两端均到达视频边界，没有更早或更晚的采样帧。选择15.5秒作为关键帧，此时侧栏边界、搜索框、注释卡、内部滚动条及底部颜色筛选均清晰可见。","start_frame":0,"end_frame":384,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[2.1,153.2,188.5,1000],"positive_points":[[68,221],[53,320],[86,556],[57,754],[181,648],[44,974]],"negative_points":[[240,129],[385,82],[523,508],[116,47]],"evidence":"目标是左侧含“搜索注释”及多张“页 1”“页 2”彩色批注卡的侧栏。框覆盖侧栏顶部切换控件、搜索框、卡片、内部滚动条及底部颜色筛选。正点分布于搜索框、批注卡、滚动条和底部区域；负点位于主阅读工具栏、文档标签、PDF页面及应用菜单，均不属于侧栏。"}},{"name":"Moral education article page","description":"The displayed page numbered 70 from “Teaching strategies for moral education: a review”, with “J. SCHUITEMA ET AL.” at the upper right and a large paragraph discussing school culture and moral education.","membership":"Include the visible white page surface, its edges, page number, running header, article text, and applied annotations. Exclude the preceding page fragment above it, reader controls, sidebar, floating menus, cursor, and overlaid video subtitles.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":15.25,"reference_s":2.75,"evidence":"通过页码70、右上角“J. SCHUITEMA ET AL.”及讨论学校文化与道德教育的正文识别该白色文章页。首个合格帧为0.00秒，已完整建立显示，视频起点之前无采样帧；最后合格帧为15.00秒，随后15.25秒切换为另一篇文章的Introduction页，目标消失。选择2.75秒作为关键帧，此时页面清晰，黄色批注可见，且无浮动菜单遮挡。","start_frame":0,"end_frame":366,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[193.8,309.4,962,976.4],"positive_points":[[240,373],[303,440],[778,443],[650,511],[570,725],[919,881]],"negative_points":[[570,241],[91,492],[578,129],[521,878]],"evidence":"通过页码70、右上角“J. SCHUITEMA ET AL.”及讨论学校文化与道德教育的正文确认目标。边界框覆盖下方该页可见的白色页面至底部裁切边缘；正点分布在页面表面、页码、页眉、黄色批注和正文上。负点位于上方前页残片、左侧栏、阅读器工具栏及视频字幕，排除这些非页面内容。"}},{"name":"School-life sentence selected for highlighting","description":"The opening sentence, “Many aspects of school life are constitutive elements of moral education.”, near the top of page 70. It wraps onto a second line, initially appears selected in blue, and is then highlighted yellow.","membership":"Include the text of this sentence and its immediately following superscript reference marker across both lines. Exclude the following sentence, selection or highlight backing, dashed interaction outline, page surface, and overlapping menus.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":15.25,"reference_s":0.25,"evidence":"目标是第70页顶部以“Many aspects of school life”开头的完整句子，跨两行并包含紧随其后的上标引用标记；先呈蓝色选中状态，后改为黄色高亮，文字本身持续存在。首个合格帧为0.00秒，已完整显示，且视频起点之前无采样帧。最后合格帧为15.00秒；紧接的15.25秒切换到另一篇文章，目标消失。选择0.25秒作为关键帧，句子及上标清晰，未被浮动菜单遮挡；标注范围不含背景高亮、后续句子或菜单。","start_frame":0,"end_frame":366,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[294.3,496.1,855.7,555.0],"positive_points":[[324.5,509.8],[462.0,510.0],[583.0,509.0],[759.0,509.0],[301.0,545.0],[331.8,532.4]],"negative_points":[[418.0,467.0],[414.0,544.0],[551.0,612.0],[757.0,580.0]],"evidence":"目标是第70页顶部蓝色选区中的首句，从“Many aspects”延伸到下一行的“tion.”及紧随的上标参考标记。框覆盖两行文字的完整范围；正点分布在首行文字、第二行词尾和上标上，负点位于页上空白、后续句子及浮动菜单，排除选区底色和其他内容。"}},{"name":"Floating highlight palette","description":"The compact popup over the article paragraph below the selected sentence. It contains a horizontal row of eight color swatches and a lower “翻译” control; the yellow swatch is used to create the annotation.","membership":"Include the popup boundary, surface, all color swatches, and translation control. Exclude the underlying article text, cursor, and temporary hover tooltip.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":2.5,"reference_s":0.5,"evidence":"目标是选中文句下方的紧凑浮动弹窗，包含横排八个色块及下方“翻译”控件。首个合格帧为0秒，弹窗已完整显示；末个合格帧为2.25秒。2.5秒帧中弹窗消失，句子变为黄色高亮，左侧出现注释。区间抵达视频开头，无更早采样帧。选择0.5秒作为关键帧，弹窗边界及控件清晰，且无临时悬停提示遮挡。","start_frame":0,"end_frame":60,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[507.3,589.4,643.8,676.8],"positive_points":[[518.2,612.2],[550.9,612.2],[616.6,612.2],[632.8,638.5],[584.8,652.3],[520.3,660.1]],"negative_points":[[569.8,629.7],[487.5,613.9],[660.4,649.3],[747.4,509.8]],"evidence":"目标是选中文句下方、覆盖正文的浮动高亮调色板。框覆盖弹窗边界、背景、八个色块及下方“翻译”控件；正点分布于色块、面板表面和翻译控件，负点位于排除的鼠标指针、周围正文及上方选中文句。"}},{"name":"Annotation color context menu","description":"The vertical menu opened over the yellow-highlighted passage. It contains “添加笔记”, eight labeled colors from “黄色” through “灰色”, and “删除”. Different color rows are hovered while the passage remains yellow.","membership":"Include the complete menu surface and boundary, labels, color squares, separators, and row-selection backgrounds. Exclude the underlying document, dashed annotation outline, and cursor.","id":"obj_005","temporal":{"status":"found","start_s":4.25,"end_s":15.25,"reference_s":8.75,"evidence":"目标是黄色高亮段落上方的竖直注释颜色菜单，完整包含“添加笔记”、八个带色块的颜色选项及“删除”。首个完整显示帧为4.25秒，最后一帧为15.00秒；此前4.00秒仅见高亮和虚线注释框，尚无菜单，此后15.25秒切换文档，菜单消失。选择8.75秒作为关键帧，菜单边界、标签和色块清晰完整，且无字幕遮挡。","start_frame":102,"end_frame":366,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[507.8,519.6,590.6,841.8],"positive_points":[[549.5,540.3],[518.2,574.7],[572.9,604.1],[536.5,634.6],[523.4,726.4],[544.3,823.2]],"negative_points":[[556.8,651.3],[619.8,687.6],[416.7,507.9],[468.8,490.2]],"evidence":"目标是黄色高亮段落上方的竖直颜色菜单，含“添加笔记”、八���颜色和“删除”。边界框覆盖完整菜单表面及边框；正点分布在顶部、颜色行、绿色选中背景和底部删除行。负点位于鼠标指针、右侧正文、黄色高亮及虚线批注框，均不属于菜单。"}},{"name":"Experiential learning article page","description":"The page shown after switching to “Teaching university students through technology-mediated experiential learning: Educators' perspectives and roles”. Its visible content starts with “1. Introduction”, includes blue and yellow highlighted passages about experiential learning and information technology, and ends with author information, a DOI, and publication details.","membership":"Include the visible white PDF page surface and edges, introduction heading and paragraphs, colored links, highlights, footnotes, and publication information. Exclude the annotations sidebar, document tabs, reader controls, scrollbars outside the page, cursor, and overlaid video subtitles.","id":"obj_006","temporal":{"status":"found","start_s":15.25,"end_s":16.0,"reference_s":15.5,"evidence":"15.25秒切换后出现目标白色PDF页面，可见“1. Introduction”、体验式学习段落、蓝黄高亮、作者信息、DOI及出版详情，页面结构已完整建立。首个合格帧为15.25秒，最后为15.75秒；前一帧15.0秒仍为道德教育文章。目标持续至视频结束，之后无采样帧。选择15.5秒为关键帧，该帧页面清晰且无视频字幕遮挡。","start_frame":366,"end_frame":384,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[188.5,153.2,981.3,976.4],"positive_points":[[274,201],[409,292],[751,325],[604,508],[512,716],[441,860]],"negative_points":[[88,549],[542,84],[607,130],[987,419]],"evidence":"根据“1. Introduction”、体验式学习与信息技术的蓝黄高亮，以及底部作者信息、DOI和出版信息识别目标。框覆盖可见白色PDF页面及其内容；正点分布在标题、正文、高亮和页下注记区域，负点位于左侧注释栏、顶部标签与阅读控件及右侧滚动条，均不属于页面。"}}]}
+{"video_id":17,"video_type":"desktop and application interfaces","targets":[{"name":"Board View tutorial title","description":"Large page heading reading “No.21 database-8: 看板视图 （Board View）” above the tutorial and database.","membership":"Includes the heading text only. Excludes page properties beneath it, navigation, and overlaid dialogs.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":29,"reference_s":10.5,"evidence":"目标为页面顶部大标题“No.21 database-8: 看板视图 （Board View）”，不含下方属性。首帧0.00秒标题已存在，虽被弹窗局部遮挡，但弹窗关闭后可确认是同一页面标题；其后也仅有临时遮挡，没有消失或替换。末帧28.75秒标题仍清晰可见，因此区间覆盖至29.00秒。区间两端均为视频边界，没有外侧采样帧。选择10.50秒作为关键帧，标题完整清晰且无遮挡。","start_frame":0,"end_frame":696,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[50.5,100,478,136.1],"positive_points":[[53.1,115.7],[117.7,116.7],[252.1,105.6],[288,116.7],[364.1,115.7],[425.5,107.4]],"negative_points":[[158.3,177.8],[191.7,212],[297.9,510.2],[262.5,76.9]],"evidence":"目标是页面上方的大号标题“No.21 database-8: 看板视图 （Board View）”。边界框紧贴整行标题文字；六个正点分布于英文、数字及中文标题笔画，负点位于下方日期与标签属性、数据库视图标题和标题上方空白处，均不属于目标。"}},{"name":"Board View tutorial instructions","description":"Compact Chinese instructional block to the left of the board, with sections “基本逻辑”, “基本操作”, and “部分细节和补充”. The explanatory note reads “指定一个属性，按值分列，相同属性值的 page 同列。”","membership":"Includes the section text, numbered operation list, and explanatory note. Excludes the note's colored backing, adjacent board, cursor, and block-editing controls.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":29,"reference_s":9,"evidence":"通过看板左侧的“基本逻辑”“基本操作”“部分细节和补充”、编号操作列表及“指定一个属性，按值分列，相同属性值的 page 同列。”说明文字识别目标。首帧0.00秒至末帧28.75秒，该文字组始终完整可见；弹窗仅使其变暗，未遮挡或中断出现。区间覆盖视频全程，起点之前和终点之后均无采样帧。选择9.00秒作为关键帧，此时无弹窗遮罩，文字清晰且光标未遮挡目标；不包含说明文字的黄色底色。","start_frame":0,"end_frame":696,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[66.1,496.3,193.2,723.1],"positive_points":[[90.1,507.4],[109.9,538.9],[158.9,564.8],[92.2,625.9],[129.2,684.3],[122.9,713.9]],"negative_points":[[206.8,542.6],[230.2,488.0],[288.5,593.5],[56.8,594.4]],"evidence":"目标是看板左侧的中文教程说��。边界框覆盖三个章节标题及编号、两行解释文字和三项操作列表，不包含左侧展开控件。正点分布在标题、解释文字和列表的字形上；负点位于文字外的黄色底色、光标、相邻看板卡片及展开控件上。"}},{"name":"Board View database","description":"Horizontal Notion board beside the instructions, with status columns “TBD”, “Ing”, “Paused”, “Done”, and “No Status”, containing numbered cards. It is scrolled horizontally while a new group is created.","membership":"Includes the board's visible surface, title and toolbar, column headings, counts, cards, group controls, and new-card controls. Includes separately listed child subjects. Excludes surrounding page text and the overlaid record dialogs.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":29,"reference_s":10.5,"evidence":"目标是说明文字右侧的 Board View 数据库，含 TBD、Ing、Paused、Done、No Status 各列及编号卡片。首帧 0.00 秒已存在，部分被记录对话框遮挡；对话框关闭后可确认是同一看板，后续横向滚动和新增分组未改变其身份。最后 qualifying 帧为 28.75 秒，看板仍显示。区间到达视频首尾，没有边界外采样帧。选择 10.50 秒作为关键帧，此时标题、工具栏、各列及卡片清楚可见，且无遮挡；记录对话框不属于目标。","start_frame":0,"end_frame":696,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[260,495,949,697],"positive_points":[[287,511],[317,595],[474,640],[617,594],[759,637],[866,554]],"negative_points":[[139,547],[152,213],[600,761],[222,646]],"evidence":"目标是说明文字右侧的 Board View 数据库，含 TBD、Ing、Paused、Done 和 No Status 五列。框覆盖可见看板表面、标题工具栏、列标题与计数、卡片及新增控件。正点分布在标题、各列卡片和 No Status 标题处；负点位于左侧说明、上方页面属性及看板外空白。"}},{"name":"Test record dialog — initial appearance","description":"Centered white record dialog that initially loads blank and then displays the title “Test”. Its Status is “TBD”; the remaining property list includes Tags, CheckBox, Number, Date, Created, Formula, Attachment, Text, URL, Person, and Phone.","membership":"Includes the complete white dialog surface and boundary, header controls, title, property labels and values, comment row, and empty-page prompt. Excludes the dimmed page outside it and the cursor.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":3.5,"reference_s":0.75,"evidence":"目标是居中的白色 Test 记录弹窗，加载后显示 Status 为 TBD 及所列属性、评论行和空白页面提示。0.00 秒虽内容尚未加载，但完整弹窗表面、边界和页眉控件已建立，因此从该帧开始；视频起点前无采样帧。最后 qualifying 帧为 3.25 秒，3.50 秒弹窗已消失，露出看板。选择 0.75 秒作为关键帧，标题、属性和完整边界清楚可见，且光标未遮挡主要内容。","start_frame":0,"end_frame":84,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[250,112.96,750,923.15],"positive_points":[[632,134],[335,238],[422,296],[352,543],[635,657],[445,830]],"negative_points":[[475,294],[201,333],[825,591],[507,954]],"evidence":"图中居中的白色记录弹窗标题为“Test”，Status 显示“TBD”，属性列表与描述一致。边界框紧贴完整弹窗，包含顶部控件、属性区、评论行和空页面提示。正点分布在标题、状态、属性文字、顶部控件及白色面板区域；负点位于鼠标指针和弹窗外的变暗页面。"}},{"name":"Test board card","description":"Database card labeled “Test”, initially beneath “Card 1” in “TBD”. It is dragged beneath “Card 2” in “Ing” and later into the newly created “❎ calceled” group.","membership":"Includes the card surface, boundary, title, and its own menu control as it moves between columns. Excludes column headings, neighboring cards, cursor, drop-position lines, and translucent drag indicators.","id":"obj_005","temporal":{"status":"found","start_s":3.5,"end_s":29.0,"reference_s":4.5,"evidence":"目标是标有“Test”的实体卡片，最初位于 TBD 的 Card 1 下方，随后移至 Ing，再移至“❎ calceled”。首个 qualifying 帧为3.50秒；前一帧3.25秒被详情弹窗遮挡。期间两次打开详情造成短暂遮挡，关闭后可确认仍为同一卡片，拖动虚影不计入目标。最后一帧28.75秒仍可见，区间延续至视频结束29.00秒，无后续帧。选择4.50秒作为关键帧，卡片表面、边界、标题和菜单均清晰且无遮挡。","start_frame":84,"end_frame":696,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[261.5,619.4,397.9,658.3],"positive_points":[[273.4,637.9],[283.3,627.8],[322.9,633.3],[353.1,647.2],[386.5,638.9],[392.2,626.9]],"negative_points":[[301.6,657.4],[288.0,593.5],[283.9,554.6],[337.0,681.5]],"evidence":"目标是 TBD 列中 Card 1 下方标有“Test”的浅蓝色卡片。边界框紧贴卡片表面及边框，包含标题和右侧菜单。正点分布于标题、卡片表面和菜单；负点位于手形光标、上方 Card 1、TBD 列标题及卡片外空白，排除这些非目标内容。"}},{"name":"Test record dialog — Ing appearance","description":"The centered “Test” record dialog reopened after the card is moved to “Ing”. The Status value now reads “Ing”, with the same property list and empty-page prompt.","membership":"Includes the complete white dialog surface and boundary, header controls, title, properties, comment row, and empty-page prompt. Excludes the dimmed board and page outside the dialog and the cursor.","id":"obj_006","temporal":{"status":"found","start_s":6.75,"end_s":8.75,"reference_s":7.75,"evidence":"目标是卡片移至 Ing 后重新打开的居中 Test 记录对话框；加载后 Status 显示 Ing。首个合格帧为 6.75 秒，白色面板边界和顶部控件已完整建立，内部加载不影响容器起点；前一帧 6.50 秒仍只有看板。最后合格帧为 8.50 秒，8.75 秒对话框已关闭，恢复看板。选择 7.75 秒作为关键帧，因为标题、Ing 状态、属性列表、评论行及空页面提示均清晰可见。","start_frame":162,"end_frame":210,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[250,112.96,750,924.07],"positive_points":[[287,134],[336,237],[421,296],[347,541],[657,646],[529,829]],"negative_points":[[464,312],[192,463],[825,594],[489,956]],"evidence":"中央白色记录弹窗标题为“Test”，Status 值显示“Ing”，符合目标。边框覆盖完整弹窗表面、顶部控件、属性列表、评论行及空页面提示。六个正点分布于这些内容和弹窗内部表面；负点位于被排除的手形光标及弹窗外的暗化页面背景。"}},{"name":"New board group editor","description":"At the far right of the horizontally scrolled board, “Add a Group” becomes a “New Select” input. A green cross-mark symbol and the name “calceled” are entered here.","membership":"Includes the group-creation control and its replacement input field, including the field boundary and entered contents. Excludes the adjacent “No Status” column, keyboard candidate popups, and cursor.","id":"obj_007","temporal":{"status":"found","start_s":14.0,"end_s":21.5,"reference_s":21.25,"evidence":"目标是横向滚动后看板最右侧的“Add a Group”控件及其替换的“New Select”输入框。14.00秒首次完整显示；13.75秒控件仍被看板右边界裁切。随后输入框中出现绿色叉号和“calceled”，最后符合帧为21.25秒；21.50秒已变成新建分组标题，编辑框消失。选择21.25秒作关键帧，此时输入框边界和已输入内容清楚，且无键盘候选弹窗遮挡。","start_frame":336,"end_frame":516,"reference_frame":510},"grounding":{"status":"found","bbox_xyxy":[842.19,540.74,932.81,564.81],"positive_points":[[851.04,551.85],[862.5,552.78],[875.52,552.78],[900.52,553.7],[925,555.56],[906.25,541.67]],"negative_points":[[731.25,553.7],[825.52,553.7],[901.04,509.26],[907.29,593.52]],"evidence":"目标是看板最右侧含绿色叉号及“calceled”的新分组输入框。边界框紧贴输入框外沿，包含字段表面和已输入内容；正点分布在图标、文字、字段表面及边框上，避开光标。负点位于左侧“No Status”列、相邻加号、上方蓝色“New”按钮及下方外部背景。"}},{"name":"calceled status group","description":"New rightmost board column headed “❎ calceled”. It initially has a count of zero and then receives the “Test” card, increasing its count to one.","membership":"Includes the visible column region, heading, count, contained Test card, and new-card control. Excludes neighboring columns, the board-wide toolbar, cursor, and drag-placement indicators.","id":"obj_008","temporal":{"status":"found","start_s":21.5,"end_s":29.0,"reference_s":25.0,"evidence":"目标是看板最右侧标题为“❎ calceled”的新列。21.50秒首次完整显示列标题、计数0及New控件；前一帧21.25秒仍是名称输入框，尚未形成完整分组。24.50秒起Test卡片进入该列，计数变为1。26.25至27.75秒被页面弹窗短暂遮挡，但前后可确认是同一列；末帧28.75秒仍存在，因此结束于29.00秒，之后无采样帧。选择25.00秒作为关键帧，标题、计数1、Test卡片和New控件均清楚可见。","start_frame":516,"end_frame":696,"reference_frame":600},"grounding":{"status":"found","bbox_xyxy":[840,541,950,645],"positive_points":[[849,553],[880,553],[897,553],[854,593],[931,601],[861,634]],"negative_points":[[726,554],[902,510],[876,574],[965,608]],"evidence":"目标是看板最右侧标题为“❎ calceled”、计数为1的状态列。框覆盖可见列区域、标题与计数、Test卡片及下方New控件。正点分布在这些组成部分上；负点位于相邻列、上方工具栏、手形光标及列外背景，均排除在目标之外。"}},{"name":"Test record dialog — calceled appearance","description":"The centered “Test” record dialog reopened after the card is moved to the new group. Its Status displays the green cross-mark symbol followed by “calceled”.","membership":"Includes the complete white dialog surface and boundary, header controls, title, property list and values, comment row, and empty-page prompt. Excludes the dimmed page outside the dialog and the cursor.","id":"obj_009","temporal":{"status":"found","start_s":26.25,"end_s":28.0,"reference_s":27.5,"evidence":"目标是卡片移入新分组后重新打开的居中白色 Test 记录对话框，加载后 Status 显示绿色叉号及“calceled”。26.25 秒对话框表面、边界和顶部控件已完整出现，内部内容仍在加载不影响容器起点；此前 26.00 秒仅显示看板。最后 qualifying 帧为 27.75 秒，28.00 秒对话框消失、恢复看板。选择 27.50 秒为关键帧，标题、状态、属性列表及底部提示完整清楚，光标位于对话框外。","start_frame":630,"end_frame":672,"reference_frame":660},"grounding":{"status":"found","bbox_xyxy":[250,112.96,750,923.15],"positive_points":[[334,236],[429,296],[340,475],[653,135],[528,830],[691,682]],"negative_points":[[183,213],[176,575],[863,593],[778,512]],"evidence":"目标为中央标题为“Test”的白色记录弹窗，Status 显示绿色叉号及“calceled”。框覆盖完整弹窗边界、顶部控件、属性列表、评论栏和底部空页面提示。六个正点分布于标题、状态、属性、顶部控件及弹窗下部表面；四个负点位于弹窗外的暗化页面、右侧卡片及鼠标光标处。"}}]}
+{"video_id":18,"video_type":"desktop and application interfaces","targets":[{"name":"FancyZones editor window","description":"The centered dark window titled “FancyZones 编辑器”, initially showing two monitor selectors, six layout templates, three custom layouts, and a “新建布局” button.","membership":"Include the complete window surface, border, title bar, and contents, including separately identified child components. Exclude the surrounding desktop zone overlay and the PowerToys settings window behind it.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":18.5,"reference_s":3,"evidence":"目标是居中的深色“FancyZones 编辑器”窗口，包含标题栏、显示器选择器、布局模板、自定义布局和“新建布局”按钮。首个合格帧为0秒，窗口已完整显示，视频起点之前无采样帧；最后合格帧为18.25秒。14.75秒起内部出现编辑面板，但外层窗口仍连续存在。18.5秒窗口消失，改为桌面分区覆盖层和较小的操作提示框。选择3秒作为关键帧，窗口边界及原始布局内容清晰，遮挡少。","start_frame":0,"end_frame":444,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[226.04,218.52,773.96,722.22],"positive_points":[[263.02,230.56],[473.44,294.44],[274.48,453.7],[630.73,454.63],[454.69,630.56],[747.4,697.22]],"negative_points":[[182.29,370.37],[500,171.3],[833.33,555.56],[500,916.67]],"evidence":"目标为居中的“FancyZones 编辑器”深色窗口，可见两个显示器选择器、六个模板、三个自定义布局及“新建布局”按钮。框覆盖完整窗口边框、标题栏和内部内容；正点分布于标题栏、显示器选择器、模板、自定义布局和新建按钮，负点位于外围的 PowerToys 设置窗口及桌面分区覆盖层。"}},{"name":"Custom layout “1080” card","description":"The leftmost card under “自定义”, outlined in blue-gray. Its thumbnail shows narrow side zones surrounding a center divided into top, middle, and bottom sections. Its pencil control is used to open the layout settings.","membership":"Include this card’s boundary, background, “1080” label, layout thumbnail, and pencil control. Exclude the adjacent “720” and “1080 (1)” cards and temporary hover or click effects.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":18.5,"reference_s":3.5,"evidence":"目标是“自定义”下最左侧、带蓝灰色边框的“1080”卡片，包含标签、分区缩略图和右上角铅笔。首个合格帧为0.00秒，视频起点前无采样帧；最后合格帧为18.25秒。14.75秒打开设置后，该卡片仍在变暗的背景中完整可见；18.50秒切换到全屏分区编辑界面，卡片消失。选择3.50秒为关键帧，卡片清晰完整，无弹窗遮挡或临时点击效果。","start_frame":0,"end_frame":444,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[232.8,569.4,315.6,687.0],"positive_points":[[246.9,584.3],[307.3,584.3],[243.2,633.3],[272.9,629.6],[277.6,667.6],[287.5,592.6]],"negative_points":[[363.0,626.9],[452.6,626.9],[272.4,463.0],[218.8,627.8]],"evidence":"目标是“自定义”下最左侧、带蓝灰色边框的“1080”卡片。边界框覆盖整张卡片，包括背景、标签、分区缩略图和右上角铅笔控件。正点分布在这些内容及卡片表面；负点位于相邻“720”“1080 (1)”卡片、上方模板卡片和左侧外部背景。"}},{"name":"Left vertical layout zone","description":"The tall blue-gray zone along the left edge of the workspace. In the zone-editing view it is labeled “1” with “320 × 1392”.","membership":"Include the rectangular zone surface and boundary, together with its identifying number and dimensions when visible. Exclude the watermark, taskbar, overlaid application windows, and the circular divider handle.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":21,"reference_s":19,"evidence":"目标是工作区最左侧贯穿高度的蓝灰色矩形分区，表面及边界从0.00秒起已完整呈现，并持续至最后采样帧20.75秒；18.50秒进入分区编辑视图后，其上显示“1”和“320 × 1392”，确认身份。区间覆盖视频首尾，两端均无区间外采样帧。选择19.00秒作为关键帧，分区边界、编号及尺寸清楚可见；水印、任务栏、应用窗口和圆形分隔手柄不属于目标。","start_frame":0,"end_frame":504,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[0,0,125,967],"positive_points":[[34,176],[98,315],[60,476],[62,513],[34,704],[95,919]],"negative_points":[[47,68],[125,483],[182,602],[52,983]],"evidence":"目标是工作区最左侧标有“1”和“320 × 1392”的蓝灰色竖直区域。框覆盖该区域从图像顶部至任务栏上沿的矩形表面和边界；正点分布于区域上下部及编号、尺寸附近，负点位于排除的水印、圆形分隔手柄、右侧应用窗口和底部任务栏。"}},{"name":"Top horizontal layout zone","description":"The wide, shallow blue-gray zone across the upper center, between the two side zones. The zone-editing view labels it “2” with “1920 × 180”.","membership":"Include the zone’s rectangular surface, boundary, and identifying text when visible. Exclude the watermark and the circular handle on its lower boundary.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":21,"reference_s":19,"evidence":"目标是两侧竖向分区之间、画面上方中央的宽浅蓝灰色矩形区域，其表面和边界从首帧0.00秒起已完整呈现，并持续至末帧20.75秒；18.50秒起显示“2”和“1920 × 180”，确认其身份。区间覆盖视频首尾，边界外没有采样帧。选择19.00秒作为关键帧，因为区域边界及标识清楚，便于排除左上水印和下边界圆形手柄。","start_frame":0,"end_frame":504,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[125,0,875,125],"positive_points":[[255.2,37],[416.7,91.7],[500,58.3],[614.6,32.4],[807.3,92.6],[713.5,59.3]],"negative_points":[[128.1,55.6],[500,125],[62.5,64.8],[625,185.2]],"evidence":"目标是顶部两侧竖向区域之间、标有“2”和“1920 × 180”的宽浅蓝灰色区域。边界框覆盖其完整矩形表面及边界；正点分布在区域表面和标识处，负点位于叠加水印、下边界圆形手柄、左侧区域及下方界面，均不属于目标。"}},{"name":"Central layout zone","description":"The large middle rectangle bounded by the two side strips and the top and bottom strips. The PowerToys settings page remains visible through the layout overlay in this area.","membership":"Include the central zone’s surface and enclosing boundary. The settings application and floating dialogs are separate overlaid content, not part of the zone’s identity; exclude those windows and the divider handles.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":21,"reference_s":20.75,"evidence":"目标是左右窄条及上下横条围住的大型中央矩形，区域表面与四周边界持续可见，透过它可见 PowerToys 设置页；设置窗口、浮动对话框和分隔拖动柄不属于目标。首个合格帧为 0.00 秒，最后为 20.75 秒，全程保持同一区域，后段仅增加编号和拖动柄。区间覆盖视频首尾，没有边界之外的采样帧。选择 20.75 秒作为关键帧，此时中央区域边界清晰，浮动对话框较小、遮挡较少。","start_frame":0,"end_frame":504,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[124.5,124.1,875.5,875.9],"positive_points":[[260.4,125],[729.2,125],[125,277.8],[875,648.1],[312.5,875],[677.1,875]],"negative_points":[[500,483],[400,174],[500,125],[600,60]],"evidence":"目标是左右侧条与上下横条围出的中央大矩形，框覆盖其完整区域及边界。正点分布在四周可见边界上，避开设置窗口内容及分隔手柄；负点分别位于中央浮动对话框、设置页标题、顶部手柄和上方分区内。"}},{"name":"Bottom horizontal layout zone","description":"The shallow blue-gray strip beneath the central rectangle and above the taskbar, between the side zones. It later displays “4” and “1920 × 132”.","membership":"Include the rectangular zone surface, border, and identifying text when visible. Exclude the taskbar and the circular handle on its upper boundary.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":21,"reference_s":19,"evidence":"目标是中央大矩形下方、任务栏上方且夹在左右侧区之间的浅蓝灰色横条，其表面和边框从0.00秒起已完整显示，持续至最后采样帧20.75秒；18.50秒后该区域显示“4”和“1920 × 132”，确认其身份。区间到达视频首尾，没有边界外的采样帧。选择19.00秒为关键帧，区域边界及标识清晰；不包括任务栏和上边界的圆形手柄。","start_frame":0,"end_frame":504,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[124.5,874.1,875.5,966.7],"positive_points":[[171,907],[320,946],[499,914],[505,949],[650,909],[841,941]],"negative_points":[[500,875],[500,983],[66,914],[700,830]],"evidence":"目标是中央矩形下方、任务栏上方且位于左右侧区之间的蓝灰色浅横条，带有“4”和“1920 × 132”。边界框覆盖该区域表面、边框及文字；正点分布在条带表面和标识文字上，负点位于上边界圆形手柄、任务栏、左侧区域及上方中央区域，排除这些对象。"}},{"name":"Right vertical layout zone","description":"The tall blue-gray strip at the right edge of the workspace. In the zone-editing view it displays “5” and “319 × 1392”.","membership":"Include the zone surface, rectangular boundary, and identifying number and dimensions when visible. Exclude the taskbar and the circular divider handle on its left edge.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":21,"reference_s":19,"evidence":"目标是工作区最右侧持续可见的蓝灰色竖直矩形区域；18.50秒起显示“5”和“319 × 1392”，确认其身份。首个合格帧为0.00秒，最后为20.75秒，期间区域表面和边界始终完整可见。区间到达视频首尾，没有边界外的采样帧。选择19.00秒作为关键帧，区域及标识清晰，便于排除下方任务栏和左边界上的圆形分隔手柄。","start_frame":0,"end_frame":504,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[875,0,1000,967.59],"positive_points":[[913.54,138.89],[969.27,282.41],[937.5,478.7],[936.46,513.89],[911.46,711.11],[962.5,901.85]],"negative_points":[[875,483.33],[807.29,370.37],[942.71,983.33],[833.33,925.93]],"evidence":"目标是工作区最右侧标有“5”和“319 × 1392”的蓝灰色竖直分区。边界框覆盖其完整矩形表面及边界，底部止于任务栏上方。正点分布在分区上、中、下部及编号和尺寸文字处；负点位于左侧圆形分隔手柄、相邻区域和底部任务栏，排除这些对象。"}},{"name":"“1080” layout settings dialog","description":"The narrow dark dialog headed “编辑‘1080’” that opens over the layout gallery. It contains the name field, layout shortcut selector, editable layout preview, spacing controls, default-layout options, and “保存” and “取消” buttons.","membership":"Include the complete dialog surface, boundary, and contents, including the preview and its pencil button. Exclude the dimmed gallery outside the dialog and temporary interaction effects.","id":"obj_008","temporal":{"status":"found","start_s":14.75,"end_s":18.5,"reference_s":15.0,"evidence":"目标是覆盖在变暗布局图库上的窄深色“编辑‘1080’”对话框，包含名称、快捷键、布局预览及铅笔按钮、间距设置和保存/取消按钮。首个完整帧为14.75秒，最后 qualifying 帧为18.25秒；前一帧14.5秒仍只有图库及点击效果，后一帧18.5秒已切换为全屏分区编辑界面，对话框消失。选择15.0秒作为关键帧，此时对话框完整清晰，无临时提示遮挡。","start_frame":354,"end_frame":444,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[418.8,241.7,581.8,720.4],"positive_points":[[455.7,263.0],[496.9,325.0],[482.3,458.3],[519.8,552.8],[493.8,653.7],[464.1,692.6]],"negative_points":[[362.5,456.5],[627.1,452.8],[500.0,185.2],[500.0,763.9]],"evidence":"通过标题“编辑‘1080’”及名称、布局快捷键、预览、间距和保存/取消控件识别目标。边界框紧贴中央窄对话框的完整表面与边界；正点分布在标题、输入框、预览铅笔按钮、间距控件、默认布局选项和保存按钮上，负点位于左右暗化图库及对话框上下的外部背景。"}},{"name":"Zone-editing instructions panel","description":"The small floating dark panel shown after opening the layout preview for editing. It presents Chinese instructions for splitting, merging or deleting zones and keyboard navigation, with “保存” and “取消” buttons below.","membership":"Include the entire floating panel, its border, top drag grip, close control, instruction text, and bottom buttons. Exclude the surrounding layout zones, divider handles, and PowerToys settings page.","id":"obj_009","temporal":{"status":"found","start_s":18.5,"end_s":21.0,"reference_s":19.0,"evidence":"18.50秒首次出现完整的分区编辑说明浮动深色面板，包含边框、顶部拖动柄、关闭按钮、中文分割及合并/删除和键盘操作说明，以及底部“保存”“取消”按钮。前一帧18.25秒仍为“编辑1080”布局配置面板，尚无目标说明面板。目标持续至最后采样帧20.75秒，因此区间结束于视频末尾21.00秒，无后续帧。选择19.00秒作为关键帧，面板结构完整、文字和按钮清楚，且无遮挡。","start_frame":444,"end_frame":504,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[429.7,390.7,570.3,576.9],"positive_points":[[500,401.9],[561.3,401.9],[443.2,435.2],[476.6,498.1],[467.2,552.8],[532.8,552.8]],"negative_points":[[400,480],[607,495],[500,363],[500,621]],"evidence":"图中央的小型深色浮动面板包含分区拆分、合并/删除及键盘导航中文说明，下方有“保存”和“取消”按钮。边界框紧贴整个面板外缘，包含边框、顶部拖动条和关闭控件；正点分布在顶部控件、说明文字和两个按钮上，负点位于面板四周的 PowerToys 设置页面，排除周围分区与分隔手柄。"}}]}
+{"video_id":19,"video_type":"desktop and application interfaces","targets":[{"name":"Zotero command group in Word","description":"The compact group of Zotero tools at the upper left of Word's selected Zotero ribbon, containing citation, bibliography, note, and document-preference commands.","membership":"Includes the command group's backing area, icons, and labels from Add/Edit Citation through Document Preferences, Refresh, and Unlink Citations. Excludes the ribbon tab row, unrelated Word controls, document page, and hover tooltip.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":3.5,"evidence":"目标是 Word 已选中 Zotero 选项卡下左上角的命令组，可见 Add/Edit Citation、Add/Edit Bibliography、Add Note、Document Preferences、Refresh 和 Unlink Citations 及其背景区域。首个合格帧为 0 秒，最后为 19.75 秒；期间弹出的文档偏好设置窗口未遮挡该命令组。20 秒帧切换为 Zotero 主窗口，目标消失。区间起于视频开头，无更早帧。选择 3.5 秒为关键帧，此时命令组清晰完整，且无悬停提示框干扰。","start_frame":0,"end_frame":480,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[3.1,81.5,178.1,145.4],"positive_points":[[17.2,126.9],[48.4,100.9],[83.3,114.8],[141.7,92.6],[126.6,113.9],[138.5,133.3]],"negative_points":[[331.8,64.8],[214.1,110.2],[118.8,36.1],[372.4,286.1]],"evidence":"目标是左上方已选中 Zotero 选项卡下的紧凑命令组。框覆盖 Add/Edit Citation、Add/Edit Bibliography、Add Note，以及 Document Preferences、Refresh、Unlink Citations 的图标、标签和衬底区域。六个正点分布于这些命令；负点位于选项卡行、右侧空白功能区、顶部 Word 控件和文档页面，均不属于目标。"}},{"name":"Add Note command","description":"The yellow-note icon with a red Z and the label “Add Note” in Word's Zotero command group. This is the command used to begin inserting a Zotero note.","membership":"Includes the Add Note button's icon, two-line label, and button surface. Excludes neighboring commands, the mouse pointer, and the separate hover tooltip.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":3.75,"evidence":"目标是 Word 的 Zotero 命令组中带红色 Z 的黄色便笺图标及两行“Add Note”标签和按钮表面，不包括独立悬浮提示。首个合格帧为 0.00 秒，最后一个为 19.75 秒；期间弹出的文档偏好设置窗口未遮挡该按钮。20.00 秒切换到 Zotero 主窗口，按钮消失。区间始于视频开头，没有更早帧。选择 3.75 秒作为关键帧，因为按钮完整清晰，且独立悬浮提示已消失。","start_frame":0,"end_frame":480,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[74,83.3,95.8,144.4],"positive_points":[[79.5,98],[87.8,110],[82.5,125],[80,136],[76,117],[91.5,122]],"negative_points":[[49,106],[122,112],[93,138],[85,163]],"evidence":"目标位于左上方 Zotero 功能区，是带黄色便笺、红色 Z 和两行“Add Note”标签的按钮。框覆盖按钮表面、图标及标签；正点分布于这些部分，负点位于相邻命令、右下方鼠标指针和按钮下方外部区域，不包含提示框。"}},{"name":"Zotero Document Preferences dialog","description":"The floating “Zotero - Document Preferences” dialog over Word. It shows “Chicago Manual of Style 17th edition (full note)” selected, English (US), footnotes, citation-storage options, and automatic citation updating.","membership":"Includes the complete dialog surface and boundary, title bar, citation-style list, language selector, radio buttons, checkbox, explanatory text, and bottom controls. Excludes the surrounding Word interface and external shadow.","id":"obj_003","temporal":{"status":"found","start_s":4.75,"end_s":20.0,"reference_s":5.0,"evidence":"目标为 Word 上方标题为“Zotero - Document Preferences”的完整浮动对话框，包含选中的 Chicago 全注释样式、English (US)、脚注及引用存储选项。首个合格帧为 4.75 秒，最后为 19.75 秒；��前 4.50 秒仅见 Word 界面，此后 20.00 秒已切换至 Zotero 主库界面，对话框消失。选择 5.00 秒作为关键帧，对话框边界及全部控件清晰完整，无遮挡。","start_frame":114,"end_frame":480,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[374.5,21.3,687.9,650.9],"positive_points":[[518.8,32.1],[523.2,222.7],[481.4,284.2],[422.8,350.9],[485.6,490.8],[656.5,623.8]],"negative_points":[[353.1,338.9],[716.2,435.2],[535.7,703.4],[228.4,94.3]],"evidence":"根据标题“Zotero - Document Preferences”和选中的 Chicago 完整脚注样式识别该浮动对话框。边界框紧贴整个对话框，涵盖标题栏、设置区域及底部按钮，不含外部阴影。正点分布于标题栏、样式列表、语言选择、脚注选项、存储区域及确认按钮；负点位于周围 Word 页面和工具栏。"}},{"name":"Zotero note search and selection popup","description":"The yellow-framed note-insertion popup near the top of the Zotero library. Its initially empty search field gains a results list headed “My Library,” with “2.3 how to insert notes into Word with active Zotero citations” highlighted first.","membership":"Includes the yellow popup frame, white search field, and attached results dropdown when visible, including note titles, preview text, selection background, and scrollbar. Excludes the underlying library rows, collection sidebar, application toolbar, mouse pointer, and external shadow.","id":"obj_004","temporal":{"status":"found","start_s":20.75,"end_s":30.0,"reference_s":21.25,"evidence":"目标是 Zotero 库顶部的黄色边框笔记搜索弹窗，包含白色搜索框及随后出现的“My Library”结果下拉列表，首项为高亮的“2.3 how to insert notes into Word with active Zotero citations”。20.75 秒弹窗边框与搜索框已完整呈现；此前 20.50 秒仅有 Zotero 库，没有弹窗。最后一个合格帧为 29.75 秒，目标持续至视频结束 30.0 秒，之后无采样帧。选择 21.25 秒作为关键帧，因为搜索框和完整结果列表清晰可见，且无遮挡。","start_frame":498,"end_frame":720,"reference_frame":510},"grounding":{"status":"found","bbox_xyxy":[224.5,77.8,641.7,378.7],"positive_points":[[228.6,104.6],[473.4,106.5],[391.1,165.7],[371.9,227.8],[473.4,360.2],[629.2,147.2]],"negative_points":[[520.8,63.9],[677.1,261.1],[104.2,153.7],[416.7,416.7]],"evidence":"目标是顶部黄色边框的笔记搜索弹窗，下接“My Library”结果列表，首条指定笔记呈蓝色高亮。框覆盖黄色外框、白色搜索框及完整下拉列表和滚动条，不含外部阴影。正点分布在边框、输入框、高亮条目、其他结果及滚动条；负点位于外部工具栏、底层库列表、左侧集合栏和下方空白背景。"}}]}
+{"video_id":20,"video_type":"desktop and application interfaces","targets":[{"name":"Sam illustration","description":"The standing cartoon man on the left, wearing glasses, a navy sweater over a white collar, blue trousers, and white sneakers, with his hands in his pockets.","membership":"Include the complete illustrated figure, including hair, glasses, clothing, hands, and shoes. Exclude the identifying text below him and the nearby speech bubble.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":28,"reference_s":0,"evidence":"目标是左侧戴眼镜、穿海军蓝毛衣、蓝裤和白色运动鞋、双手插兜的完整卡通人物 Sam，不包括下方文字和邻近气泡。首个合格帧为 0.00 秒，最后一个为 27.75 秒；期间人物始终保持完整可见，未观察到淡出或离场。区间覆盖视频首尾，两端均无额外相邻帧。选择 0.00 秒作为关键帧，因为人物轮廓清晰、无遮挡，便于标注完整形体。","start_frame":0,"end_frame":672,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[40.1,133.3,164.1,803.7],"positive_points":[[98,151],[99,192],[100,345],[66,466],[126,695],[145,785]],"negative_points":[[102,838],[204,452],[505,501],[888,370]],"evidence":"目标是画面左侧戴眼镜、穿海军蓝毛衣的站立男子。边界框紧贴完整人物，覆盖头发、双手、衣裤和鞋子，不含下方文字。正点分布在头发、眼镜面部、上衣、手、裤腿和鞋上；负点位于下方姓名文字、外部白色背景、中央浏览器图和右侧另一人物上。"}},{"name":"Sam identification text","description":"The text beneath the left figure reading “Sam” and “(College Student)”.","membership":"Include both lines as one identification block. Exclude the figure above and surrounding background.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":28,"reference_s":0,"evidence":"目标为左侧人物脚下的两行身份文字“Sam”和“(College Student)”，不含人物。该文字块从0.00秒首帧起已完整呈现，持续保留至27.75秒最后一帧，没有出现淡出或替换，因此区间为[0,28)。区间到达视频首尾，边界外没有采样帧。选择0.00秒作为关键帧，两行文字清晰完整且无遮挡。","start_frame":0,"end_frame":672,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[23.9,810.9,185.5,923.1],"positive_points":[[81.3,824.1],[98.4,850.0],[119.3,838.9],[31.8,893.5],[109.4,894.4],[182.3,894.4]],"negative_points":[[99.5,694.4],[205.7,879.6],[96.4,944.4],[13.0,839.8]],"evidence":"目标是左侧人物下方的“Sam”和“(College Student)”两行身份文字，边界框紧贴完整文字块。六个正点分布在两行字形笔画上；负点位于上方人物及文字块左侧、右侧和下方的外部背景，排除人物与周围空白。"}},{"name":"Blank browser illustration","description":"The central old-style browser window with a blue title bar, navigation icons, an address field reading “about:blank”, scrollbars, and an hourglass in its blank page.","membership":"Include the complete window boundary, enclosed page, toolbars, controls, address text, scrollbars, and hourglass. Exclude the explanatory text below and any drawing hand overlapping it.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":10.5,"reference_s":0,"evidence":"目标是中央带蓝色标题栏、about:blank 地址栏、导航按钮、滚动条和沙漏的旧式浏览器窗口。首个合格帧为0秒，窗口已完整呈现；视频起点之前无采样帧。最后合格帧为10.25秒，10.5秒已被笔记本电脑搜索页面替换。期间绘图手的短暂遮挡不改变窗口的连续存在。选择0秒为关键帧，因为窗口完整清晰且无遮挡，易于排除下方文字和绘图手。","start_frame":0,"end_frame":252,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[347.4,204.6,656.8,651.9],"positive_points":[[443,220],[542,306],[527,361],[592,548],[505,503],[469,630]],"negative_points":[[100,370],[891,377],[500,151],[501,723]],"evidence":"目标是画面中央的旧式浏览器窗口，可见蓝色标题栏、“about:blank”地址栏和沙漏。边界框紧贴完整窗口外缘，涵盖工具栏、页面、控件及滚动条。正点分布在这些窗口组成部分上；负点位于两侧人物及窗口上下的外部白色背景。"}},{"name":"Sam’s friend illustration","description":"The standing cartoon man on the right, wearing a light blue rolled-sleeve shirt, blue trousers, and white sneakers, with his hands in his pockets.","membership":"Include the complete illustrated figure, including hair, face, clothing, hands, and shoes. Exclude the identification text below him.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":28,"reference_s":0,"evidence":"目标是右侧穿浅蓝卷袖衬衫、蓝色长裤和白色运动鞋、双手插兜的站立男性插画，不含下方姓名文字。首个合格帧为0.00秒，最后一个为27.75秒；该人物持续存在，期间被绘图手短暂遮挡，但身份和位置保持一致。区间覆盖视频首尾，两端均无区间外采样帧。选择0.00秒作为关键帧，因为全身轮廓清晰、无遮挡，便于标注。","start_frame":0,"end_frame":672,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[831.8,138,954.2,800.9],"positive_points":[[889,200],[885,345],[858,460],[865,642],[920,647],[935,782]],"negative_points":[[894,855],[800,445],[973,575],[510,400]],"evidence":"目标为右侧穿浅蓝卷袖衬衫、蓝裤和白鞋的站立男子。边界框紧贴完整人物，从头发到鞋底，不含下方姓名文字。正点分布在脸部、衬衫、手部、两条裤腿和鞋上；负点位于下方文字、人物两侧外部白色背景及中央浏览器对象上。"}},{"name":"Sam’s friend identification text","description":"The label “Sam’s Friend” beneath the right-hand figure.","membership":"Include the complete lettering of the label. Exclude the figure and surrounding background.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":28,"reference_s":0,"evidence":"目标是右侧人物下方完整的“Sam’s Friend”标签，不含人物。首个合格帧为0秒，最后为27.75秒；标签贯穿视频，期间绘画手部的短暂遮挡不改变其连续存在。区间已到视频起止边界，无区间外相邻帧可检查。选择0秒为关键帧，文字完整清晰、无遮挡，便于标注。","start_frame":0,"end_frame":672,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[817.7,824.1,977.1,874.1],"positive_points":[[822.9,835.2],[842.2,848.1],[855.2,859.3],[904.2,851.9],[944.3,857.4],[974,844.4]],"negative_points":[[885.4,912],[890.6,800],[989.6,851.9],[890.6,648.1]],"evidence":"目标是右侧人物下方的“Sam’s Friend”标签。边界框紧贴整行文字，包含全部字母和撇号；六个正点分布在不同字母的笔画上，负点位于标签外的空白处及明确排除的右侧人物上。"}},{"name":"Website problem list","description":"The progressively revealed three-item list beneath the old-style browser: “It was hard to read”, “Buttons didn’t work properly”, and “Colors hurt Sam’s eyes”.","membership":"Include all three lines and their triangular bullet markers as one coherent list. Exclude the browser above, character labels, and overlapping drawing hand or pen.","id":"obj_006","temporal":{"status":"found","start_s":5.5,"end_s":10.5,"reference_s":6.0,"evidence":"目标为旧式浏览器下方的三条问题文字及各自的三角项目符号。5.5秒三行首次全部揭示完成；此前5.25秒第三行仍由手笔书写、尚未完成。最后符合条件的帧为10.25秒；10.5秒列表消失，浏览器被笔记本电脑画面替换。6.0秒列表完整清晰且无遮挡，适合作为空间标注关键帧。","start_frame":132,"end_frame":252,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[365.6,712,634.4,892.6],"positive_points":[[373,730],[514,730],[373,805],[620,803],[373,869],[556,873]],"negative_points":[[507,612],[669,812],[107,838],[496,930]],"evidence":"目标是旧式浏览器下方的三条网站问题说明。边界框紧密覆盖三行完整文字及各自的三角形项目符号；正点分布在三枚符号和各行文字笔画上，负点位于上方浏览器、左侧人物标签以及列表右侧和下方的外部背景。"}},{"name":"Sam’s website question bubble","description":"The black-outlined speech bubble above and to the right of Sam, containing “Why is this website so bad?” once its text is revealed.","membership":"Include the bubble’s entire outline, its tail pointing toward Sam, and its enclosed white area and text. Follow the actual bubble shape rather than its bounding rectangle. Exclude Sam and any overlapping drawing hand.","id":"obj_007","temporal":{"status":"found","start_s":8.0,"end_s":10.5,"reference_s":9.75,"evidence":"目标是 Sam 右上方、尾部指向 Sam 的黑框白底对话气泡。8.00 秒轮廓、尾部和内部白色区域已完整建立，随后内部文字逐步出现，不影响气泡的起点；前一帧 7.75 秒仍在绘制轮廓。最后合格帧为 10.25 秒，10.50 秒气泡消失，中央场景换为笔记本电脑。选取 9.75 秒作为关键帧，此时问题文字完整，气泡清晰且无绘画手遮挡。","start_frame":192,"end_frame":252,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[151.6,38.9,439.6,179.6],"positive_points":[[198.4,75.9],[401,74.1],[302.1,103.7],[210.9,146.3],[395.8,148.1],[167.2,155.6]],"negative_points":[[99,314.8],[494.8,222.2],[140.6,88],[468.8,101.9]],"evidence":"目标是Sam右上方写有“Why is this website so bad?”的黑边对白气泡。边界框紧贴气泡外轮廓并包含左下方尾尖；正点分布在尾部、内部白色区域和文字上，负点位于Sam、浏览器及气泡左右外部背景，均不在气泡内。"}},{"name":"Website-search laptop","description":"The central silver laptop that replaces the old browser graphic. Its black-framed screen shows a browser with a multicolored “Search” heading and the progressively entered query “How to create website”.","membership":"Include the entire laptop, its base, screen bezel, camera, and all enclosed browser and search-page contents. Exclude the on-screen hand-shaped cursor and the flanking figures and labels.","id":"obj_008","temporal":{"status":"found","start_s":10.75,"end_s":18.0,"reference_s":17.0,"evidence":"目标是两个人物之间的银色笔记本，含黑色屏幕边框、底座及屏内彩色“Search”和网站创建查询。10.75秒首次完整且不再淡入，17.75秒为最后合格帧；前一帧10.50秒仍在淡入，后一帧18.00秒已开始淡出。选择17.00秒作为关键帧，此时笔记本完整清晰、查询文字已显示完成，且无手形光标遮挡。","start_frame":258,"end_frame":432,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[269,278,731,722],"positive_points":[[500,289],[305,484],[456,337],[501,520],[648,633],[535,706]],"negative_points":[[100,450],[891,443],[496,217],[500,786]],"evidence":"目标是画面中央显示彩色“Search”和“How to create website”查询的银色笔记本。边界框紧贴整台电脑，涵盖底座、黑色边框、摄像头及屏幕内全部浏览器内容。正点分布于摄像头、边框、浏览器栏、搜索页面和底座；负点位于左右人物以及电脑上方、下方的外部背景。"}},{"name":"UI tile","description":"The left of two central square graphics, with a cyan-to-blue gradient and large white “UI” lettering.","membership":"Include the square’s surface, dark boundary, and enclosed lettering throughout its reveal. Exclude its cast shadow, the adjacent UX tile, and the drawing hand.","id":"obj_009","temporal":{"status":"found","start_s":19.25,"end_s":28.0,"reference_s":20.0,"evidence":"目标是中央左侧带青蓝渐变、深色方框边界及白色“UI”字样的方块，不含投影、右侧UX方块或手。19.00秒仍为空白轮廓，19.25秒UI方块已完整呈现；此时右侧UX仍在绘制，不影响目标起点。最后合格帧为27.75秒，目标持续至视频结束28.00秒，无后续帧。选择20.00秒作为关键帧，目标清晰且无遮挡。","start_frame":462,"end_frame":672,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[337,203.7,480.2,458.3],"positive_points":[[355,232],[457,243],[379,340],[431,342],[358,430],[460,427]],"negative_points":[[491,370],[575,330],[410,170],[307,340]],"evidence":"目标是中央左侧带白色“UI”字样的青蓝渐变方块。边界框紧贴方块表面及深色边框，不含投影。六个正点分布在渐变表面和字母笔画上；负点位于右侧投影、相邻UX方块及上方和左侧外部背景。"}},{"name":"UX tile","description":"The right central square graphic, with an orange-to-pink gradient and large white “UX” lettering.","membership":"Include the square’s surface, dark boundary, and enclosed lettering throughout its reveal. Exclude its cast shadow, the adjacent UI tile, and the drawing hand.","id":"obj_010","temporal":{"status":"found","start_s":19.5,"end_s":28.0,"reference_s":20.0,"evidence":"目标为中央右侧橙至粉色渐变、白色“UX”字样的方块，不含投影、左侧UI方块及绘图手。19.25秒仍在揭示，表面和字样尚未完整；19.5秒首次完整呈现。此后持续存在至最后采样帧27.75秒，因此结束时间为视频末尾28.0秒，边界外无后续帧。选择20.0秒作为关键帧，方块完整清晰且无遮挡。","start_frame":468,"end_frame":672,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[506.3,203.7,649.5,458.3],"positive_points":[[519.8,229.6],[632.8,236.1],[522.4,420.4],[631.3,429.6],[553.1,346.3],[601.6,339.8]],"negative_points":[[416.7,324.1],[661.5,356.5],[572.9,500],[494.8,314.8]],"evidence":"目标是中央偏右带白色“UX”字样的橙粉渐变方块。边界框紧贴方块表面及深色边框，不含投影。六个正点分布于渐变表面和字母笔画；负点位于左侧UI方块、右侧投影及方块外的空白处。"}},{"name":"UI/UX journey introduction","description":"The two-line text block revealed beneath the UI and UX tiles: “Let’s go on a journey with Sam to find out what” followed by “UI/UX is and why it’s so important!”","membership":"Include both lines as one complete text block, retaining the same extent through progressive revelation. Exclude the tiles above, the side character labels, and the overlapping drawing hand or pen.","id":"obj_011","temporal":{"status":"found","start_s":26.5,"end_s":28.0,"reference_s":26.5,"evidence":"目标是UI和UX方块下方的两行引导文字，以“Let’s go on a journey with Sam to find out what”开头。26.25秒第二行仍在书写，尚未完整揭示；26.5秒两行文字及末尾感叹号首次完整呈现，且手和笔已离开。最后合格帧为27.75秒，文字保持完整，故区间延续至视频结束28.0秒，之后无采样帧。选择26.5秒作为关键帧，因为文字清晰、无遮挡。","start_frame":636,"end_frame":672,"reference_frame":636},"grounding":{"status":"found","bbox_xyxy":[245.8,567.6,756.3,717.6],"positive_points":[[248.9,584.3],[534.9,604.6],[706.3,600.9],[312.5,676.9],[477.6,675],[688,675.9]],"negative_points":[[406.3,324.1],[578.1,324.1],[500,509.3],[100,836.1]],"evidence":"目标是UI和UX方块下方的两行英文介绍文字。边界框完整覆盖从“Let’s go”到“important!”的两行文本；六个正点分布在两行的实际字形笔画上，四个负点位于上方两个方块、文字外的空白及左侧Sam标签，均不属于目标。"}}]}
+{"video_id":21,"video_type":"desktop and application interfaces","targets":[{"name":"What is UI/UX? title","description":"Dark red handwritten title initially at the upper left, later reduced above the framed comparison.","membership":"Includes only the title lettering and punctuation; excludes the comparison graphics and surrounding frame.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":39.5,"reference_s":1,"evidence":"目标是深红色手写“What is UI/UX?”标题，仅含字母和标点。0.00秒已完整显示，之后随比较图缩小并移至框上方，持续至最后合格帧39.25秒。39.50秒整体画面向上移出，标题已不再可见，因此结束于39.50秒。起点是视频开头，没有更早帧。选择1.00秒作为关键帧，标题较大、清晰且无遮挡。","start_frame":0,"end_frame":948,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[16.1,43.5,181.3,85.2],"positive_points":[[19.3,59.3],[57.8,73.1],[84.9,64.8],[98.4,66.7],[134.9,63.0],[173.4,49.1]],"negative_points":[[88.5,23.1],[46.9,120.4],[203.1,64.8],[106.8,213.0]],"evidence":"目标是左上角深红色手写标题“What is UI/UX?”。边界框紧贴整段标题字母及问号；六个正点分布在标题的实际笔画上，负点位于标题上方、下方、右侧空白及下方黑色“UI”文字处，排除其他图文。"}},{"name":"UI heading","description":"Large bold black “UI” introducing the left side of the comparison.","membership":"Includes only the two letters; excludes the connecting arrow and “User Interface” text.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":39.5,"reference_s":1,"evidence":"目标是比较图左侧、箭头和“User Interface”文字之前的粗黑“UI”两字，不包括后续在下方新绘制的UI。0.00秒已完整呈现，视频起点前无采样帧；随后随原比较图缩小并持续存在，最后合格帧为39.25秒。39.50秒原比较图已随上移离开画面，目标不再可见。选择1.00秒作关键帧，两字清晰、尺寸大且无遮挡。","start_frame":0,"end_frame":948,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[100.5,183.3,150.5,242.6],"positive_points":[[105.7,193.5],[105.2,220.4],[116.7,233.3],[127.6,199.1],[144.8,195.4],[144.8,228.7]],"negative_points":[[197.9,213],[251.6,211.1],[88.5,203.7],[125,161.1]],"evidence":"目标是左上区域的大号黑色粗体“UI”。边界框紧贴两个字母的可见范围，不包含右侧箭头和“User Interface”。六个正点分布在U和I的笔画上；负点位于右侧箭头、说明文字及字母外部的白色背景。"}},{"name":"User Interface definition","description":"Black handwritten “User Interface” beside the initial UI heading.","membership":"Includes the complete phrase only; excludes the adjacent arrow and examples below.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":39.5,"reference_s":1,"evidence":"目标是初始 UI 标题右侧的黑色手写短语“User Interface”，不含箭头或下方示例。0.00 秒已完整呈现，此前无采样帧；随后虽随整组图示缩小，仍持续存在，最后符合条件的帧为 39.25 秒。39.50 秒该短语已随上方图示移出画面，因此结束于 39.50 秒。选择 1.00 秒作为关键帧，文字较大、清晰且无遮挡。","start_frame":0,"end_frame":948,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[247.4,189.8,423.4,238.9],"positive_points":[[251.6,213.9],[274.5,226.9],[300.5,213.9],[315.6,211.1],[373.4,211.1],[414.6,225]],"negative_points":[[203.1,212.0],[143.8,213.0],[285.4,407.4],[340.1,277.8]],"evidence":"目标是上方“UI”右侧的黑色手写短语“User Interface”。边界框仅覆盖完整短语，不含左侧箭头和下方示例。六个正点分布在两个单词的字母笔画上；负点位于左侧箭头、UI标题、下方文字示例及短语下方空白处。"}},{"name":"Button examples graphic","description":"Compact green control collection on the left, containing a “Big button,” square menu, close and back controls, and circular controls.","membership":"Includes the complete collection of button shapes and their internal symbols and text. Excludes the separate “Buttons” caption.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":39.5,"reference_s":1,"evidence":"目标是左侧绿色控件集合，包含“Big button”、三个方形控制键及圆形控制键，不包括下方“Buttons”标题。首个合格帧为0.00秒，此时结构已完整；随后随整体图示缩小，持续可见至39.25秒。39.50秒原上方图示已移出画面，目标不再可见。视频起点之前没有采样帧。选择1.00秒作为关键帧，因为控件清晰、尺寸较大且无遮挡。","start_frame":0,"end_frame":948,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[21.9,332.4,108.3,488.9],"positive_points":[[60,352],[33,413],[64,413],[94,413],[27.6,461.1],[90,469]],"negative_points":[[60,525],[169,414],[10,412],[63,302]],"evidence":"目标是左侧绿色按钮示例集合，包含“Big button”、三个方形控件和三个圆形控件。边界框紧贴整组图形，不含下方“Buttons”标题。正点分布在大按钮、方形按钮、空心圆轮廓及深色圆形按钮上；负点位于下方标题、右侧色轮及集合外的白色背景。"}},{"name":"Color wheel","description":"Circular spectrum of colored wedges beside the button examples.","membership":"Includes the full circular disk and all its colored sectors; excludes the “Colors” caption.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":39.5,"reference_s":1,"evidence":"目标是按钮示例右侧、Colors 字样上方的彩色扇区圆盘，不含文字。0.00 秒已完整呈现，此前无采样帧；随整组图示缩小、移动后仍持续存在，最后合格帧为 39.25 秒。39.50 秒原上方图示移出画面，色轮不再可见。选择 1.00 秒作为关键帧，圆盘较大、结构清楚且无遮挡。","start_frame":0,"end_frame":948,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[128.1,342.6,209.4,486.1],"positive_points":[[150.5,377.8],[174,360.2],[195.3,392.6],[193.2,438],[169.3,467.6],[143.2,437]],"negative_points":[[167.2,527.8],[93.8,413],[284.4,409.3],[220.8,354.6]],"evidence":"目标是按钮示例右侧、Colors 字样上方的圆形色轮。边界框紧贴完整彩色圆盘，包含所有扇形色块，不含下方标题。六个正点分布于不同颜色扇区；负点位于 Colors 标题、左侧按钮、右侧文字示例及圆盘外的白色背景。"}},{"name":"Typography word cloud","description":"Compact black word cloud illustrating text, with words including “word,” “letter,” “chapter,” “text,” and “paragraph.”","membership":"Includes all words forming the word-cloud graphic; excludes the separate “Text” caption.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":39.5,"reference_s":1.0,"evidence":"目标是 UI 区域中位于 Colors 与 Layout 之间、独立“Text” caption 上方的黑色词云，可见 word、letter、chapter、text、paragraph 等词。首个合格帧为 0.00 秒，视频起点之前无采样帧；之后词云随整体图示缩放，最后合格帧为 39.25 秒。39.50 秒整体图示已向上移出，词云不可见。选择 1.00 秒作为关键帧，词云完整清晰且无遮挡，不包含下方独立的“Text”标题。","start_frame":0,"end_frame":948,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[236.5,355.6,335.4,475.0],"positive_points":[[253.1,371.3],[296.4,365.7],[302.1,407.4],[269.8,435.2],[276.0,463.9],[240.6,413.0]],"negative_points":[[281.8,523.1],[167.2,408.3],[417.7,407.4],[284.9,323.1]],"evidence":"目标是颜色圆盘与布局缩略图之间的黑色词云，包含 word、letter、chapter、text、paragraph 等词。边界框紧贴完整词云，不包含下方独立的“Text”标题。六个正点分布在词云上中下部的文字笔画上；负点位于“Text”标题、颜色圆盘、布局缩略图及词云上方空白处。"}},{"name":"Dashboard layout example","description":"Small peach-and-pink interface mockup with a left sidebar and two chart cards, to the right of the word cloud.","membership":"Includes the mockup's outer boundary, background, sidebar, cards, and internal interface details; excludes the “Layout” caption.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":39.5,"reference_s":1,"evidence":"目标是词云右侧的桃色、粉色仪表盘缩略图，具有左侧栏和两张图表卡片，不含下方“Layout”文字。0.00秒已完整呈现，此前无采样帧；随后随整体示意图缩小移动，至39.25秒仍可见。39.50秒整体上移后该 mockup 已离开画面。选择1.00秒作为关键帧，目标较大、结构清晰且无遮挡。","start_frame":0,"end_frame":948,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[359.4,336.1,487.5,479.6],"positive_points":[[377.1,370.4],[376,439.8],[421.9,361.1],[421.9,413.9],[463.5,417.6],[438,467.6]],"negative_points":[[312.5,407.4],[421.9,525.9],[505.2,409.3],[425.5,305.6]],"evidence":"目标是词云右侧的桃色与粉色仪表盘示例，含左侧栏和两张图表卡片。边界框紧贴整个界面模型，覆盖外框、背景及内部内容，不含下方“Layout”标题。正点分布在侧栏、顶部、两张卡片及底部背景；负点位于词云、标题和模型外部白色背景。"}},{"name":"Buttons caption","description":"Handwritten “Buttons” beneath the green control collection.","membership":"Includes only the caption lettering; excludes the controls above.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":39.5,"reference_s":1,"evidence":"目标是绿色控件集合下方的手写“Buttons”字样，仅包括字幕 lettering。首个合格帧为0.00秒，字样已完整呈现；随后随整张图缩放并持续存在，最后合格帧为39.25秒。39.50秒时其所在上方图板已移出画面，字样不再可见。视频起点前无采样帧。选择1.00秒作为关键帧，字幕清晰、无遮挡且尺寸较大。","start_frame":0,"end_frame":948,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[37.5,510.2,93.2,540.7],"positive_points":[[40.1,521.3],[51.0,535.2],[57.8,520.4],[63.5,528.7],[78.6,525.9],[89.1,534.3]],"negative_points":[[64.1,469.4],[25.5,525.9],[62.0,565.7],[167.2,527.8]],"evidence":"目标是绿色控件组下方的手写“Buttons”。边界框仅覆盖完整标题字母；六个正点分布在不同字母笔画上，负点位于上方控件、左侧和下方空白以及右侧“Colors”标题处。"}},{"name":"Colors caption","description":"Handwritten “Colors” beneath the spectrum wheel.","membership":"Includes only the caption lettering; excludes the wheel above.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":39.5,"reference_s":1,"evidence":"目标是彩色光谱轮下方的手写“Colors”字样，仅包含文字。首个合格帧为0秒，文字已完整呈现；随后随整幅图缩小和移动持续存在，最后合格帧为39.25秒。39.5秒时上方示意图已移出画面，该文字不再可见。视频起点之前无采样帧。选择1秒为关键帧，因为文字较大、清晰且无遮挡。","start_frame":0,"end_frame":948,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[146.9,510.2,193.2,539.8],"positive_points":[[148.4,525.9],[157.8,527.8],[166.1,523.1],[170.8,525.9],[180.2,525],[187.5,523.1]],"negative_points":[[169.3,439.8],[62.5,526.9],[169.3,574.1],[281.8,527.8]],"evidence":"目标是光谱色轮下方的手写“Colors”标题。边界框仅覆盖完整标题字母，不含上方色轮；六个正点分布在各字母笔画上，负点位于色轮、相邻标题和下方��部空白处。"}},{"name":"Text caption","description":"Handwritten “Text” beneath the typography word cloud.","membership":"Includes only the caption lettering; excludes the word cloud.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":39.5,"reference_s":1,"evidence":"目标是左侧 typography 词云正下方的手写“Text”字样，仅包含 caption 字母。0.00 秒已完整显示，视频起点之前无采样帧；随后随整张示意图缩小、移动而持续存在，最后合格帧为 39.25 秒。39.50 秒示意图已向上移出，目标不再可见。选择 1.00 秒作为关键帧，此时文字较大、清晰且无遮挡。","start_frame":0,"end_frame":948,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[268.2,511.1,297.9,540.7],"positive_points":[[270.8,513.9],[272.9,525.9],[279.2,531.5],[281.8,535.2],[286.5,530.6],[294.3,532.4]],"negative_points":[[285.4,425.9],[167.2,523.1],[422.4,523.1],[317.7,563.9]],"evidence":"目标是排版词云下方的手写“Text”标题，边界框仅覆盖这四个字母，不含上方词云。六个正点分布在各字母的实际笔画上；负点位于词云、左右其他标题及外部白色背景。"}},{"name":"Layout caption","description":"Handwritten “Layout” beneath the dashboard mockup.","membership":"Includes only the caption lettering; excludes the mockup.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":39.5,"reference_s":1,"evidence":"目标是仪表盘 mockup 下方的手写“Layout”字样，仅指字幕 lettering。0.00 秒已完整显示，此前无采样帧；随后随整张图缩小、移动，最后 qualifying 帧为 39.25 秒。39.50 秒上方图示已移出画面，该字幕不再可见。选择 1.00 秒为关键帧，因为字样清晰、尺寸较大且无遮挡。","start_frame":0,"end_frame":948,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[397.9,511.1,447.4,546.3],"positive_points":[[403.6,535.2],[409.4,525.0],[417.2,525.9],[424.5,524.1],[432.8,527.8],[443.8,525.9]],"negative_points":[[420.8,448.1],[422.9,490.7],[383.3,528.7],[465.6,528.7]],"evidence":"目标是仪表盘模型下方手写的“Layout”标题。边界框紧贴完整文字，包含字母下伸部分；六个正点分布在各字母笔画上，负点位于上方模型及标题外侧的空白处，不包含模型。"}},{"name":"Game controller illustration","description":"Black-and-white gamepad below the UI examples, with two grips, directional control, face buttons, and two analog sticks.","membership":"Includes the controller silhouette and all enclosed control details, following the inward gap between its grips. Excludes the downward arrow above and explanatory text below.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":39.5,"reference_s":1,"evidence":"目标是UI示例下方的黑白手柄，具有双握柄、方向键、面部按钮和两个摇杆，不包括上方箭头及下方文字。首个合格帧为0秒，已完整呈现，视频起点前无采样帧；随后随整组图示缩小移动，最后合格帧为39.25秒。39.5秒时所在上方图示已移出画面，手柄不再可见。选择1秒作为关键帧，手柄较大、轮廓及内部控件清晰且无遮挡。","start_frame":0,"end_frame":948,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[153.1,628.7,295.8,803.7],"positive_points":[[168.2,755.6],[279.2,754.6],[183.3,676.9],[265.6,678.7],[204.2,713.9],[243.2,713.9]],"negative_points":[[224,562],[234.4,861.1],[130.2,713],[322.9,713]],"evidence":"目标是UI示例下方的黑白游戏手柄。边界框紧贴手柄外缘，涵盖两侧握柄及全部内部控件；前景沿握柄之间的内凹轮廓截断。六个正点分布在两侧握柄、方向键、面部按钮和两个摇杆上；负点位于上方箭头、下方说明文字及左右外部背景，均不包含在目标中。"}},{"name":"UI usability explanation","description":"Two-line handwritten statement below the controller: “You know exactly where to press or click without even thinking about it.”","membership":"Includes the entire statement as one text block through its progressive reveal and later reduction; excludes the controller, drawing hand, and surrounding frame.","id":"obj_013","temporal":{"status":"found","start_s":0.75,"end_s":39.5,"reference_s":1.0,"evidence":"目标是控制器下方的两行手写说明“You know exactly where to press or click without even thinking about it.”。0.75秒首次完整呈现，前一帧0.50秒仍在书写句末；此后随整体图示缩小而持续存在，最后合格帧为39.25秒，39.50秒该文字已随上方图示移出画面。选取1.00秒作为关键帧，文字完整、尺寸较大且无遮挡。","start_frame":18,"end_frame":948,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[73.9,840.7,425.5,967.6],"positive_points":[[78.6,860.2],[191.7,865.7],[346.9,871.3],[90.6,938.0],[274.5,936.1],[416.7,942.6]],"negative_points":[[224.0,703.7],[52.1,879.6],[468.8,925.9],[312.5,814.8]],"evidence":"目标是控制器下方以“You know exactly”开头、以“about it.”结尾的两行手写说明。边界框覆盖完整两行文字；六个正点分布在两行的实际字形笔画上，负点位于控制器及文字块外侧、上方的空白背景，排除其他对象。"}},{"name":"UX heading","description":"Large bold black “UX” introducing the right side of the comparison.","membership":"Includes only the heading letters; excludes the adjacent arrow and “User Experience” definition.","id":"obj_014","temporal":{"status":"found","start_s":3.25,"end_s":39.5,"reference_s":6.0,"evidence":"目标是比较图右侧顶部的粗黑“UX”两字母，不含箭头及定义。3.00秒仍在绘制X，3.25秒首次完整呈现；随后随比较图缩小仍持续存在，最后 qualifying 帧为39.25秒。39.50秒画面向上移出，原标题已不再可见。选择6.00秒作为关键帧，此时字母较大、清晰且无遮挡。","start_frame":78,"end_frame":948,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[568.2,183.3,640.6,242.6],"positive_points":[[573.4,195.4],[596.4,199.1],[584.9,232.4],[614.6,191.7],[623.4,213.9],[632.8,235.2]],"negative_points":[[681.3,213.0],[754.7,219.4],[604.2,148.1],[546.9,213.0]],"evidence":"目标是右侧比较栏顶部的粗体黑色“UX”。边界框紧贴两个字母，不包含右侧箭头及“User Experience”。六个正点分布在U和X的笔画上；负点位于相邻箭头、定义文字及标题上方和左侧的外部背景。"}},{"name":"User Experience definition","description":"Handwritten “User Experience” revealed to the right of the UX heading.","membership":"Includes the complete phrase only; excludes the connecting arrow and phone below.","id":"obj_015","temporal":{"status":"found","start_s":6.0,"end_s":39.5,"reference_s":6.25,"evidence":"目标是 UX 标题右侧手写的完整短语“User Experience”，不含箭头和手机。5.75 秒仍在书写末尾字符，6.0 秒首次完整呈现；之后随整体图示缩小、移动持续存在，最后符合条件的帧为 39.25 秒。39.5 秒图示向上退出，该短语已移出画面。选择 6.25 秒作关键帧，文字较大、清晰且无遮挡。","start_frame":144,"end_frame":948,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[731.8,189.8,938.5,253.7],"positive_points":[[734.4,209.3],[754.2,211.1],[800.5,214.8],[837.5,235.2],[877.1,222.2],[932.3,231.5]],"negative_points":[[692.7,213.0],[604.2,210.2],[833.3,148.1],[854.2,291.7]],"evidence":"目标是右上方 UX 标题右侧的手写短语“User Experience”。边界框仅覆盖完整短语，不含左侧连接箭头。六个正点分布在两个单词的字形笔画上；负点位于箭头、UX 标题及短语上下的外部空白处。"}},{"name":"Animated mobile interface","description":"Portrait dark-gray smartphone beneath “User Experience,” displaying a magenta header, changing content cards or search results, and a bottom navigation bar.","membership":"Includes the phone body, bezel, screen, and all interface contents through their updates. Excludes the overlaid hand-shaped interaction pointer, external drawing hand, and surrounding explanatory text.","id":"obj_016","temporal":{"status":"found","start_s":7.0,"end_s":39.5,"reference_s":8.0,"evidence":"目标是“User Experience”下方的深灰色竖屏手机，含洋红色页眉、内容区和底部导航栏；屏内内容更新及后续整体缩放不改变其身份。7.00秒首次完整出现，前一帧6.75秒该处为空白。最后合格帧为39.25秒，39.50秒上方图解已移出画面，手机不再可见。选择8.00秒，手机较大且完整清晰，无绘图手遮挡，便于标注。","start_frame":168,"end_frame":948,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[675.5,248.1,804.7,616.7],"positive_points":[[734.4,270.4],[731.8,310.2],[738.5,392.6],[749,510.2],[678.6,477.8],[740.1,578.7]],"negative_points":[[660.4,431.5],[822.9,439.8],[738.5,652.8],[793.8,215.7]],"evidence":"目标是“User Experience”下方的竖向深灰色手机。边界框紧贴手机整体，覆盖机身、边框、屏幕及全部界面内容。六个正点分布于顶部机身、洋红色标题栏、内容卡片、屏幕下部、侧边框和底部导航；负点位于手机左右及下方的外部白色背景和上方说明文字，不包含交互指针或外部手形。"}},{"name":"UX ease question","description":"Handwritten question below the phone: “Does it make your life easier or harder?”","membership":"Includes the full question as one text block, including its progressive reveal; excludes the phone and response illustrations below.","id":"obj_017","temporal":{"status":"found","start_s":12.5,"end_s":39.5,"reference_s":13.0,"evidence":"目标是手机下方的手写问句“Does it make your life easier or harder?”。12.5秒首次完整显示，前一帧12.25秒仍在书写末尾。此后问句随整个示意图缩小移动，最后合格帧为39.25秒；39.5秒示意图移出画面，问句已不再可见。选择13.0秒作为关键帧，此时全文清晰、���遮挡且尺寸较大。","start_frame":300,"end_frame":948,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[548.9,632.4,945.8,683.3],"positive_points":[[552.1,650.9],[627.1,658.3],[697.4,661.1],[740.1,653.7],[796.9,663.9],[885.4,657.4]],"negative_points":[[739.6,509.3],[625,717.6],[958.3,657.4],[604.2,213]],"evidence":"目标是手机下方的手写问句“Does it make your life easier or harder?”。边界框紧贴完整单行问句，包含末尾问号；六个正点分布在各段文字的笔画上，四个负点位于手机、上方UX标题及问句外侧空白处。"}},{"name":"Easy thumbs-up illustration","description":"Small skin-toned thumbs-up with a blue cuff above a green rounded label reading “EASY,” below the UX question.","membership":"Includes the hand, cuff, and attached green label with its text as one compact illustration. Excludes the arrow and UX verdict to its right.","id":"obj_018","temporal":{"status":"found","start_s":15.0,"end_s":39.5,"reference_s":15.25,"evidence":"目标是UX问题下方、蓝色袖口的肤色竖拇指及其绿色“EASY”标签，不包括右侧箭头和UX判定。14.75秒仍在绘制，标签文字尚未完整；15.0秒首次完整呈现。此后随整体图示缩小仍持续存在，最后合格帧为39.25秒；39.5秒整体上移，目标已移出画面。选择15.25秒作为关键帧，目标较大、清晰且无遮挡。","start_frame":360,"end_frame":948,"reference_frame":366},"grounding":{"status":"found","bbox_xyxy":[608.3,724.1,669.8,832.4],"positive_points":[[643.2,739.8],[635.9,776.9],[654.7,770.4],[620.8,778.7],[616.7,813.0],[659.9,815.7]],"negative_points":[[588.5,777.8],[687.5,781.5],[639.6,870.4],[640.6,657.4]],"evidence":"目标位于右侧UX问题下方，是带蓝色袖口的肤色点赞手势及绿色“EASY”标签。边界框紧贴手、袖口和标签整体；正点分布在拇指、手掌、手指、袖口及标签上，负点位于左右和下方外部背景及上方独立问题文字处。"}},{"name":"Positive UX label","description":"Bold black “UX” to the right of the EASY illustration, on the upper verdict row.","membership":"Includes only these two letters; excludes the arrow on the left and green check on the right.","id":"obj_019","temporal":{"status":"found","start_s":18.0,"end_s":39.5,"reference_s":18.75,"evidence":"目标是 EASY 图示右侧、上方判定行的黑色粗体“UX”，不包括箭头和绿色勾号。18.00秒两字母首次完整呈现；此前17.75秒仍在绘制X。此后随整张图缩小和移动持续存在，最后合格帧为39.25秒；39.50秒该判定行已随上方图表移出画面。选择18.75秒作为关键帧，字母大且清楚，无手部遮挡，与下方后来出现的UX易于区分。","start_frame":432,"end_frame":948,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[774.5,756.5,830.7,802],"positive_points":[[779.7,768.5],[794.3,770.4],[786.5,793.5],[810.4,764.8],[816.7,778.7],[823.4,794.4]],"negative_points":[[729.2,775.9],[876,773.1],[640.6,813],[802.1,835.2]],"evidence":"目标是 EASY 插图右侧、绿色对勾左侧的粗体黑色“UX”。边界框仅覆盖这两个字母；六个正点分布在 U 和 X 的笔画上，四个负点位于左侧箭头、右侧绿色对勾、EASY 标签及文字下方的外部白色背景。"}},{"name":"Positive check symbol","description":"White check inside a green circle beside the upper UX verdict.","membership":"Includes the complete green disk and enclosed white check; excludes the nearby UX lettering.","id":"obj_020","temporal":{"status":"found","start_s":18.5,"end_s":39.5,"reference_s":18.75,"evidence":"目标是上方 UX 判定右侧的绿色圆盘及其中白色对勾，不包括 UX 字样。18.50 秒首次完整出现，前一帧 18.25 秒尚无该符号；随后随整张图缩小、移动持续存在。最后合格帧为 39.25 秒，39.50 秒所在上方图板已移出画面，目标不可见。选择 18.75 秒作为关键帧，符号较大、完整且无遮挡。","start_frame":444,"end_frame":948,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[848.4,719.4,907.8,825.9],"positive_points":[[877.1,737.0],[859.4,763.9],[871.9,786.1],[885.4,764.8],[894.3,788.9],[878.6,812.0]],"negative_points":[[802.1,777.8],[921.4,772.2],[875.0,692.6],[877.1,854.6]],"evidence":"目标是右下方UX字样右侧的绿色圆盘及其白色对勾。边界框紧贴完整圆盘；六个正点分布于绿色内部和白色对勾上，负点位于旁边的UX字样及圆盘上、下、右侧的外部背景，未包含附近文字。"}},{"name":"Confused face illustration","description":"Yellow frowning face with raised brows and a turquoise question mark, beneath the EASY illustration.","membership":"Includes the face disk, facial features, shaded rim, and attached question mark. Excludes the connecting arrow and verdict to its right.","id":"obj_021","temporal":{"status":"found","start_s":20.5,"end_s":39.5,"reference_s":23.5,"evidence":"目标是 EASY 图示下方的黄色皱眉圆脸，带阴影边缘和青绿色问号，不包括右侧箭头及判定标记。20.50 秒首次完整呈现；前一帧 20.25 秒仍在绘制、揭示中。之后随整幅图缩小和移动持续存在，最后合格帧为 39.25 秒；39.50 秒上方图表已移出画面，目标消失。选择 23.50 秒作为关键帧，目标尺寸较大、结构清晰且无遮挡。","start_frame":492,"end_frame":948,"reference_frame":564},"grounding":{"status":"found","bbox_xyxy":[608.3,865.7,670.3,975],"positive_points":[[621.4,890.7],[657.3,877.8],[660.4,922.2],[636.5,943.5],[622.4,965.7],[625.5,909.3]],"negative_points":[[636.5,813],[718.8,918.5],[588.5,925.9],[794.8,916.7]],"evidence":"目标是 EASY 插图下方的黄色困惑脸，带皱眉、下弯嘴和青绿色问号。边界框紧贴脸盘、底部阴影边缘及附带问号；正点分布在脸部、五官、阴影边缘和问号上，负点位于上方 EASY 标签、右侧箭头与 UX 字样以及左侧外部白色背景。"}},{"name":"Negative UX label","description":"Bold black “UX” on the lower verdict row, beside the confused face.","membership":"Includes only these two letters; excludes the adjacent arrow and red cross symbol.","id":"obj_022","temporal":{"status":"found","start_s":22.75,"end_s":39.5,"reference_s":23.75,"evidence":"目标是困惑表情右侧、下方负面评价行的黑色粗体“UX”，不包括箭头和红叉。22.75秒两字母首次完整呈现；22.50秒仍有手笔正在绘制X。此后随整体图示缩小移动，至39.25秒仍存在；39.50秒该评价行已移出画面。选23.75秒作为关键帧，字母清晰无遮挡，且与上方正面UX易于区分。","start_frame":546,"end_frame":948,"reference_frame":570},"grounding":{"status":"found","bbox_xyxy":[774.5,899.1,830.7,944.4],"positive_points":[[778.1,911.1],[795.8,913.0],[788.0,938.0],[808.9,906.5],[817.7,921.3],[825.5,938.0]],"negative_points":[[729.2,918.5],[877.1,919.4],[796.9,779.6],[810.4,972.2]],"evidence":"目标是右下方困惑表情所在行的粗黑“UX”。边界框紧贴这两个字母，六个正点分布在U和X的实际笔画上；负点位于左侧箭头、右侧红色叉号、上方另一组UX及下方外部背景，均不属于目标。"}},{"name":"Negative cross symbol","description":"White X inside a red circle beside the lower UX verdict.","membership":"Includes the complete red disk and enclosed white X; excludes the nearby UX lettering.","id":"obj_023","temporal":{"status":"found","start_s":23.25,"end_s":39.5,"reference_s":23.5,"evidence":"目标是下方 UX 判定右侧的红色圆盘及其中白色 X，不包括 UX 字母。23.25 秒首次完整出现，前一帧 23.00 秒尚无该符号；随后随整张图缩小、移动，至 39.25 秒仍可见。39.50 秒上方图板已移出画面，目标不再可见。选择 23.50 秒作为关键帧，符号尺寸较大、结构清楚且无遮挡。","start_frame":558,"end_frame":948,"reference_frame":564},"grounding":{"status":"found","bbox_xyxy":[848.4,861.1,908.3,969.4],"positive_points":[[878,915],[876,879],[857,912],[899,916],[878,955],[887,900]],"negative_points":[[803,921],[878,774],[924,916],[877,986]],"evidence":"目标是右下方 UX 字样右侧的红色圆盘及其中白色 X。边界框紧贴完整红盘，包含白色叉号，不含 UX 文字。正点分布于圆盘各部及白色 X 上；负点位于旁边 UX、上方绿色勾号和圆盘外背景。"}},{"name":"Large approval badge","description":"Large green circular badge with a white thumbs-up and a darker diagonal shadow, overlaid near the center of the reduced, framed comparison.","membership":"Includes the full circular disk, thumbs-up silhouette, and internal shadow. Excludes the comparison content behind the badge and the drawing hand.","id":"obj_024","temporal":{"status":"found","start_s":26.75,"end_s":39.5,"reference_s":27.0,"evidence":"目标是缩小并加框的对比图中央叠加的大型绿色圆形赞同徽章，含白色拇指和深绿色斜向阴影。26.75秒首次完整呈现；此前26.50秒仍在绘制揭示，且有画笔手遮挡。最后合格帧为39.25秒，39.50秒画面上移后徽章已离开画面。选择27.00秒作为关键帧，徽章完整清晰且无遮挡。","start_frame":642,"end_frame":948,"reference_frame":648},"grounding":{"status":"found","bbox_xyxy":[464.1,224.1,577.1,425.9],"positive_points":[[516.1,242.6],[474.5,312.0],[496.9,338.0],[528.1,322.2],[545.3,384.3],[513.5,409.3]],"negative_points":[[640.6,277.8],[447.9,234.3],[593.8,329.6],[406.3,373.1]],"evidence":"目标是比较框中央叠加的大型绿色圆形点赞徽章。边界框紧贴完整圆盘，包含白色拇指及深绿色斜向阴影。六个正点分布于圆盘、拇指和阴影上；四个负点位于徽章外的手机、布局示意及周围背景，不包含后方比较内容。"}},{"name":"Lower UI summary label","description":"New large bold black “UI” below the framed comparison, beginning the presentation summary row.","membership":"Includes only this lower pair of letters; excludes the arrow and “Presentation” text to its right.","id":"obj_025","temporal":{"status":"found","start_s":30.0,"end_s":39.5,"reference_s":33.0,"evidence":"目标是框住的对比图下方、Presentation 箭头左侧的大号黑体“UI”，不含箭头和说明文字。30.00秒两字母首次完整呈现；此前29.75秒仍在绘制“I”。最后符合条件的帧为39.25秒，39.50秒该标签随画面上移而被顶部边界裁切。选择33.00秒作为关键帧，标签完整清晰且无遮挡。","start_frame":720,"end_frame":948,"reference_frame":792},"grounding":{"status":"found","bbox_xyxy":[262.5,669.4,319.8,735.2],"positive_points":[[267.7,680.6],[268.2,709.3],[280.7,726.9],[293.8,689.8],[313,683.3],[313,720.4]],"negative_points":[[250,699.1],[291.7,773.1],[390.6,700],[424,675]],"evidence":"目标是比较框下方、总结行开头的大号黑色“UI”。边界框紧贴这两个字母，不包含右侧箭头和“Presentation”。六个正点分布在U和I的黑色笔画上；负点位于左侧及下方外部白色背景、右侧箭头和Presentation文字上。"}},{"name":"Presentation label","description":"Handwritten “Presentation” above the long arrow in the lower UI summary row.","membership":"Includes only the word; excludes the underlying arrow, UI letters, and adjacent icons.","id":"obj_026","temporal":{"status":"found","start_s":30.75,"end_s":39.5,"reference_s":31.0,"evidence":"目标是下方 UI 总结行长箭头上方的手写单词“Presentation”，不包括箭头。30.75 秒首次完整出现，30.50 秒只有箭头、尚无该词；39.25 秒为最后完整可见帧，39.50 秒随画面上移而被顶部边界裁切。选择 31.00 秒作为关键帧，文字完整清晰且无遮挡。","start_frame":738,"end_frame":948,"reference_frame":744},"grounding":{"status":"found","bbox_xyxy":[385.9,660.2,476.6,689.8],"positive_points":[[387.5,675.0],[405.7,683.3],[420.8,674.1],[434.4,672.2],[454.7,681.5],[472.9,675.9]],"negative_points":[[432.3,699.1],[292.7,710.2],[429.2,633.3],[513.5,699.1]],"evidence":"目标是下方 UI 总结行长箭头上方的手写单词“Presentation”。边界框仅覆盖完整单词；六个正点分布在不同字母笔画上，负点位于下方箭头、左侧 UI 字母及上方外部空白，排除这些非目标内容。"}},{"name":"Eye illustration","description":"Black outlined eye with a circular pupil and four separate corner brackets, at the end of the Presentation arrow.","membership":"Includes the eye outline and its enclosed area, pupil, and four corner-bracket strokes. The gaps between the brackets remain open; excludes neighboring text and the rating graphic.","id":"obj_027","temporal":{"status":"found","start_s":32.5,"end_s":39.5,"reference_s":35.0,"evidence":"目标是 Presentation 箭头末端的黑色眼睛，包括圆形瞳孔和四个独立角括号，不含旁边评分图。32.50秒首次完整呈现；此前32.25秒仍在绘制，结构未完成。最后合格帧为39.25秒；39.50秒图形向上移出画面，已被顶部边界裁切。选择35.00秒为关键帧，此时眼睛及四个角括号清晰完整、无遮挡。","start_frame":780,"end_frame":948,"reference_frame":840},"grounding":{"status":"found","bbox_xyxy":[544.8,630.6,618.8,762],"positive_points":[[548,636],[615,637],[548,755],[615,755],[582,695],[562,697]],"negative_points":[[500,699],[712,668],[582,606],[582,790]],"evidence":"目标位于“Presentation”箭头末端，是带圆形瞳孔和四个独立角括号的黑色眼睛。边界框紧贴四角括号的外缘，涵盖眼睛轮廓及其内部。正点分布于四个括号、瞳孔和眼内区域；负点位于邻近箭头、右侧评分图及目标上下方的外部背景。"}},{"name":"User rating illustration","description":"Small person beneath a curved multicolored five-star rating gauge, to the right of the eye.","membership":"Includes the person, curved gauge segments, stars, and gauge pointer as one compact illustration, retaining the gauge's open lower area. Excludes the eye and nearby drawing hand.","id":"obj_028","temporal":{"status":"found","start_s":33.0,"end_s":39.5,"reference_s":35.0,"evidence":"目标是眼睛右侧的小人物与弧形彩色五星评分表（含指针），不包括眼睛或绘图手。33.00秒首次完整呈现，32.75秒仍在绘制揭示。39.25秒是最后完整可见帧，39.50秒随画面上移被顶部边界裁切。选择35.00秒作为关键帧，此时图案完整清晰、无遮挡。","start_frame":792,"end_frame":948,"reference_frame":840},"grounding":{"status":"found","bbox_xyxy":[672.4,630.6,749.5,760.2],"positive_points":[[681.3,700.9],[700.5,652.8],[738.0,692.6],[721.4,695.4],[711.2,715.7],[710.9,747.2]],"negative_points":[[580.7,695.4],[770.3,691.7],[710.9,790.7],[711.5,594.4]],"evidence":"目标位于眼睛图标右侧，由彩色弧形星级仪表、指针及下方小人组成。边界框紧贴整组插图；六个正点分布在仪表色块、指针、人物头部和身体上，负点位于左侧眼睛及插图外围背景，避开仪表下方的自然开口。"}},{"name":"Lower UX summary label","description":"New large bold black “UX” beneath the lower UI summary label, beginning the flavor summary row.","membership":"Includes only this lower pair of letters; excludes the arrow and “Flavor” text.","id":"obj_029","temporal":{"status":"found","start_s":34.25,"end_s":39.75,"reference_s":35.0,"evidence":"目标是下方 UI 总结行之下、Flavor 箭头左侧的大号黑色“UX”，不包括箭头及 Flavor。34.0 秒仍在绘制 X，34.25 秒字母已完整呈现；最后合格帧为 39.5 秒，虽然整体画面正在上移，但该 UX 仍完整可见。39.75 秒画面已清空，目标消失。选择 35.0 秒作为关键帧，此时字母清晰、无遮挡，且容易与上方其他 UX 区分。","start_frame":822,"end_frame":954,"reference_frame":840},"grounding":{"status":"found","bbox_xyxy":[251.6,853.7,332.3,920.4],"positive_points":[[257.8,864.8],[283.3,868.5],[268.2,909.3],[300.5,864.8],[312.5,885.2],[324.5,909.3]],"negative_points":[[289.6,710.2],[427.1,859.3],[474,885.2],[234.4,889.8]],"evidence":"目标是图像下方 Flavor 总结行开头的大号黑体“UX”，位于下方“UI”标签之下。边界框仅覆盖这两个字母；六个正点分布在 U 和 X 的实际笔画上，四个负点分别位于上方 UI、Flavor 文字、右侧箭头及左侧外部空白处。"}},{"name":"Flavor label","description":"Handwritten “Flavor” above the long arrow in the bottom UX summary row.","membership":"Includes only the word; excludes the underlying arrow, UX lettering, and outcome illustrations.","id":"obj_030","temporal":{"status":"found","start_s":34.75,"end_s":39.75,"reference_s":35.5,"evidence":"目标是底部 UX 总结行长箭头上方的手写单词“Flavor”，不包括箭头。34.75 秒首次完整显示，前一帧 34.50 秒仅有箭头、尚无该词；39.50 秒该词随整体画面上移但仍完整可见，下一帧 39.75 秒画面已空白。选择 35.50 秒作为关键帧，文字清晰且无遮挡。","start_frame":834,"end_frame":954,"reference_frame":852},"grounding":{"status":"found","bbox_xyxy":[408.3,845.4,454.2,874.1],"positive_points":[[410.4,858.3],[418.8,861.1],[424.5,864.8],[433.3,868.5],[440.1,861.1],[449.5,862.0]],"negative_points":[[432.3,885.2],[307.3,884.3],[429.7,825.9],[467.2,861.1]],"evidence":"目标是底部 UX 总结行长箭头上方的手写“Flavor”。边界框仅覆盖完整单词；六个正点分布在各字母笔画上，负点位于下方箭头、左侧 UX 字样以及单词外部空白处。"}},{"name":"Happy experience illustration","description":"Yellow laughing face held above two pink hands, with small sparkle marks, at the end of the Flavor arrow.","membership":"Includes the face, its enclosed facial details, both hands, and the associated sparkle marks as one compact illustration. Excludes the arrow and performance graphic to the right.","id":"obj_031","temporal":{"status":"found","start_s":37.5,"end_s":39.75,"reference_s":38.0,"evidence":"目标是 Flavor 箭头末端由双手托起的黄色大笑脸及周围闪光，不包括右侧齿轮图标。37.25 秒仍在绘制右手等细节，37.5 秒整体首次完整呈现；最后合格帧为39.5秒， illustration 随画面上移但仍完整可见，39.75秒画面已空白。选择38.0秒作为关键帧，目标清晰完整、无遮挡。","start_frame":900,"end_frame":954,"reference_frame":912},"grounding":{"status":"found","bbox_xyxy":[544.8,815.7,618.8,948.1],"positive_points":[[580.2,833.3],[581.8,875.9],[561.5,925],[599.5,925.9],[549.5,858.3],[613.5,858.3]],"negative_points":[[508.3,885.2],[581.8,695.4],[643.8,901.9],[580.7,970.4]],"evidence":"目标位于“Flavor”箭头末端，是双手托起黄色笑脸的插图。边界框紧贴笑脸、两只粉色手及两侧闪光符号；正点分布于脸部、嘴部、双手和闪光符号，负点位于左侧箭头、上方眼睛图标及右侧和下方外部空白处。"}},{"name":"Performance improvement illustration","description":"Gray-blue gear with two green upward arrows and a small red-rimmed clock, to the right of the happy face in the bottom row.","membership":"Includes the gear and its internal rings, both upward arrows, and the complete clock face and rim. Follows the combined component outlines rather than filling the gaps between them; excludes neighboring illustrations.","id":"obj_032","temporal":{"status":"found","start_s":38.75,"end_s":39.75,"reference_s":39.0,"evidence":"目标是底部开心脸右侧的灰蓝色齿轮、两根绿色上箭头和红边时钟组合。38.75秒首次完整呈现；此前38.50秒仍在逐步绘制。最后符合条件的是39.50秒，组合随画面上移但仍完整可见；39.75秒画面已空白，目标消失。选择39.00秒作为关键帧，组合完整清晰且无遮挡。","start_frame":930,"end_frame":954,"reference_frame":936},"grounding":{"status":"found","bbox_xyxy":[677.6,816.7,744.3,945.4],"positive_points":[[682.3,891.7],[701,874.1],[717.2,840.7],[734.9,874.1],[738.5,934.3],[729.2,917.6]],"negative_points":[[581,860],[711,715],[767,890],[709,974]],"evidence":"目标位于底行笑脸右侧，由灰蓝色齿轮、两支绿色向上箭头和红边时钟组成。边界框紧贴这些组件的整体可见范围；六个正点分布在齿轮及内环、两支箭头、钟面和钟框上，负点位于邻近笑脸、上方评分插图及右侧和下方外部背景。"}}]}
+{"video_id":22,"video_type":"desktop and application interfaces","targets":[{"name":"PaaS title block","description":"Large centered white heading reading “PaaS” above “Platform as a Service,” introducing the deployment demonstration and cloud-service examples.","membership":"Includes both lines of title text only; excludes the dark background and all demonstration panels below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":17.75,"reference_s":7,"evidence":"目标是居中白色双行标题“PaaS”和“Platform as a Service”，不包含下方面板。首个合格帧为0.00秒，两行文字已完整显示；最后合格帧为17.50秒。17.75秒标题被“Microservices”替换，目标消失。区间始于视频开头，无更早采样帧。选择7.00秒作为关键帧，此时标题清晰完整，下方没有演示面板干扰。","start_frame":0,"end_frame":426,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[324.7,66.8,675.8,207.5],"positive_points":[[454.1,95.5],[496.1,104.2],[537.1,110.2],[328.6,190.1],[540.0,194.4],[665.0,202.3]],"negative_points":[[500,40],[300,185],[700,185],[500,250]],"evidence":"图像上方中央可见白色标题“PaaS”和下一行“Platform as a Service”。边界框紧密覆盖完整的两行文字；六个正点分布在两行文字的笔画上，四个负点位于标题外侧的深色背景，未放在字孔或行间空隙中。"}},{"name":"Upload and deploy dialog","description":"White AWS Elastic Beanstalk modal titled “Upload and deploy.” Contains an information banner, application upload control, version label field, deployment preferences, and footer actions. Its contents update after a ZIP file is selected.","membership":"Includes the modal surface, outer boundary, header, and all contents, including separately listed controls. Excludes the dimmed console behind it, the foreground file picker, and cursor or click effects.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":6.75,"reference_s":5.0,"evidence":"目标是标题为“Upload and deploy”的白色 AWS 弹窗，包含信息横幅、上传控件、版本字段、部署偏好及底部按钮。首个合格帧为 0.00 秒，已完整显示；视频起点前无采样帧。1.25–4.25 秒被前景文件选择器部分遮挡，但可确认同一弹窗持续存在。最后合格帧为 6.50 秒，缩放后结构仍完整；6.75 秒弹窗已消失，仅剩 PaaS 标题。选择 5.00 秒作为关键帧，此时弹窗无遮挡，已显示所选 ZIP 文件，边界和内容清晰。","start_frame":0,"end_frame":162,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[209,325,638,939],"positive_points":[[294,363],[425,475],[283,583],[358,697],[392,794],[590,905]],"negative_points":[[181,598],[730,553],[705,824],[508,273]],"evidence":"根据“Upload and deploy”标题及上传控件、版本标签、部署偏好和底部按钮，确认中央白色模态对话框。边界框紧贴整个对话框外缘；正点分布于标题、信息横幅、上传区、版本字段、部署说明和部署按钮，负点位于框外的暗化控制台及上方背景，不包含鼠标指针。"}},{"name":"Choose file button","description":"Outlined “Choose file” control with an upload icon beneath “Upload application” in the deployment dialog; it is used to open the file picker.","membership":"Includes the button boundary, surface, upload icon, and text. Excludes the surrounding field label, selected filename, and interaction indicators.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":6.75,"reference_s":0,"evidence":"目标是部署对话框中“Upload application”下方、带上传图标的描边“Choose file”按钮。首帧0.00秒已完整显示，之前无采样帧；文件选择器在1.25—4.25秒暂时遮挡按钮，关闭后可确认仍为原对话框中的同一按钮。最后合格帧为6.50秒，6.75秒整个对话框消失。选择0.00秒作关键帧，按钮清晰且无遮挡、无点击指示圈覆盖。","start_frame":0,"end_frame":162,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[234.9,576.4,333.0,615.5],"positive_points":[[241.2,593.8],[252.0,596.4],[267.6,597.2],[286.6,595.5],[307.6,596.4],[326.7,602.4]],"negative_points":[[270.5,558.2],[266.6,646.7],[356.4,596.4],[219.7,594.6]],"evidence":"目标是部署对话框中“Upload application”下方带上传图标的“Choose file”描边按钮。边界框紧贴按钮外缘，覆盖边框、表面、图标和文字；六个正点分布在按钮各部分，四个负点位于上方字段标签、下方版本标签及按钮左右外部空白处。"}},{"name":"Deploy button","description":"Orange “Deploy” button at the bottom right of the upload dialog, activated after the application archive is selected.","membership":"Includes the orange button surface, boundary, and label. Excludes the adjacent Cancel button, cursor, and circular click emphasis.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":6.75,"reference_s":5,"evidence":"目标是“Upload and deploy”对话框右下角、Cancel 右侧的橙色 Deploy 按钮。首个合格帧为 0.00 秒，视频起点前无采样帧；文件选择期间按钮虽被半透明遮罩调暗，但仍持续可见。最后合格帧为 6.50 秒，按钮完整可见，6.75 秒对话框及按钮已消失。选择 5.00 秒作关键帧，此时按钮清晰，无鼠标或点击圆环遮挡。","start_frame":0,"end_frame":162,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[559.1,886.7,622.8,925.8],"positive_points":[[564.5,895.8],[616.7,896.7],[567.9,917.5],[613.3,916.7],[583.5,906.3],[599.6,909.7]],"negative_points":[[518.1,905.4],[628.9,788.2],[591.3,954.0],[653.3,903.6]],"evidence":"目标是上传对话框右下角标有“Deploy”的橙色按钮。边界框紧贴按钮外缘，包含橙色表面、边界及文字；六个正点分布在按钮表面和标签上。负点位于左侧Cancel按钮、上方鼠标指针以及按钮外的下方和右侧背景，均不属于目标。"}},{"name":"Desktop file picker","description":"macOS file-selection dialog opened over the deployment modal. Shows Desktop as the current location, a navigation sidebar, one ZIP archive, three folders, and bottom action buttons.","membership":"Includes the complete file-picker surface, rounded boundary, toolbar, sidebar, file area, and footer controls. Its separately listed file and Open button remain part of this region. Excludes the underlying deployment dialog and cursor.","id":"obj_005","temporal":{"status":"found","start_s":1.25,"end_s":4.5,"reference_s":2.75,"evidence":"目标是覆盖在部署弹窗上的 macOS 文件选择器，具有圆角窗口、Desktop 路径、导航侧栏、一个 ZIP 文件、三个文件夹及底部按钮。首个完整帧为 1.25 秒，前一帧 1.00 秒仅显示部署弹窗和 Choose file 点击；最后合格帧为 4.25 秒，4.50 秒选择器已开始淡出并露出下层弹窗。选择 2.75 秒作为关键帧，窗口完整清晰，文件区及底部控件均易于辨认。","start_frame":30,"end_frame":108,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[195.3,349,651.9,803.8],"positive_points":[[230,453],[455,380],[302,468],[494,474],[448,663],[619,773]],"negative_points":[[318,500],[590,894],[740,570],[500,290]],"evidence":"根据 Desktop 位置栏、左侧导航栏、ZIP 文件、三个文件夹及底部按钮，确定这是文件选择对话框。边界框紧贴完整圆角面板，覆盖工具栏、侧栏、文件区和底部控件。正点分布在这些区域；负点位于被排除的鼠标指针、下层部署窗口及面板外背景。"}},{"name":"backend-code.zip file item","description":"ZIP archive in the leftmost position of the Desktop file area, labeled “backend-code.zip” with size “147.2 MB.” It becomes selected for upload.","membership":"Includes the archive icon, filename, size text, and the item's selection backing when present. Excludes neighboring folders and the cursor.","id":"obj_006","temporal":{"status":"found","start_s":1.25,"end_s":4.5,"reference_s":3.25,"evidence":"目标是 Desktop 文件区最左侧的 ZIP 项，包含压缩包图标、“backend-code.zip”文件名、“147.2 MB”及选中底色。首个合格帧为 1.25 秒，最后为 4.25 秒；1.00 秒仍是上传对话框，文件选择器尚未出现，4.50 秒文件选择器已开始淡出消失。选择 3.25 秒作为关键帧，文件项已选中且清晰完整，鼠标远离目标，易与旁边文件夹区分。","start_frame":30,"end_frame":108,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[271,433.2,333.5,537.3],"positive_points":[[294,455],[302,483],[318,451],[280,517],[324,517],[302,532]],"negative_points":[[366.7,468.8],[430,471],[516.6,652.8],[343,561]],"evidence":"目标是 Desktop 文件区最左侧的 backend-code.zip，文件大小为 147.2 MB，当前呈选中状态。边框覆盖 ZIP 图标、灰色选择底板、蓝色文件名选区及大小文字。六个正点分布在上述内容上；负点位于右侧相邻文件夹、鼠标指针和文件区外部空白处。"}},{"name":"Open button","description":"Bottom-right “Open” button in the file picker; changes from disabled to blue after the ZIP archive is selected and is then activated.","membership":"Includes the button surface, boundary, and label across its enabled and disabled states. Excludes the adjacent Cancel button and cursor.","id":"obj_007","temporal":{"status":"found","start_s":1.25,"end_s":4.5,"reference_s":3.0,"evidence":"目标是文件选择器右下角的“Open”按钮，包含最初的灰色禁用态、选中 ZIP 后的蓝色启用态及激活后的状态。首个合格帧为 1.25 秒，最后一个为 4.25 秒；此前 1.0 秒尚未出现文件选择器，此后 4.5 秒文件选择器已消退，露出上传对话框。选择 3.0 秒作为关键��，因为蓝色按钮结构清楚，未被光标遮挡，且与相邻 Cancel 按钮易于区分。","start_frame":30,"end_frame":108,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[598.6,762.2,640.1,783.0],"positive_points":[[602,769],[608,777],[615,771],[623,774],[632,768],[637,777]],"negative_points":[[574,772],[620,735],[665,774],[591,894]],"evidence":"目标是文件选择器右下角蓝色的“Open”按钮。边界框紧贴按钮外缘，覆盖按钮表面、边界和文字；六个正点分布于按钮内部。负点位于左侧 Cancel 按钮、上方空白、对话框右侧背景及下方 Deploy 按钮，均不包含目标或光标。"}},{"name":"AWS Elastic Beanstalk example panel","description":"Cropped AWS product webpage presented on the left beneath the PaaS heading. Shows AWS branding, “AWS Elastic Beanstalk,” and “Easy to begin, Impossible to outgrow.”","membership":"Includes the entire rectangular webpage excerpt, including navigation strips, branding, heading, and tagline. Excludes the surrounding slide background and other provider panels.","id":"obj_008","temporal":{"status":"found","start_s":9.0,"end_s":17.75,"reference_s":12.0,"evidence":"目标是 PaaS 标题下左侧的完整 AWS 网页矩形摘录，含导航条、AWS 标识、“AWS Elastic Beanstalk”和“Easy to begin, Impossible to outgrow.”。首个合格帧为 9.00 秒，前一帧 8.75 秒仅有标题和背景；最后合格帧为 17.50 秒，下一帧 17.75 秒已切换为 Microservices 页面，目标消失。选择 12.00 秒作为关键帧，面板完整清晰、无遮挡，且易与右侧 Google Cloud 面板区分。","start_frame":216,"end_frame":426,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[47.4,276,513.7,515.6],"positive_points":[[78,300],[310,303],[174,356],[469,356],[206,442],[244,483]],"negative_points":[[29,397],[292,563],[738,464],[500,185]],"evidence":"目标是左侧带 AWS 标志、“AWS Elastic Beanstalk”标题及宣传语的网页截图。边界框紧贴整块矩形截图，涵盖导航栏、品牌、标题和宣传语。正点分布在截图的上下导航区域及主体内容；负点位于左侧和下方幻灯片背景、右侧 Google Cloud 面板及上方幻灯片标题。"}},{"name":"Google Cloud App Engine example panel","description":"White Google Cloud webpage excerpt to the right of the AWS example. Shows “App Engine,” a description of a fully managed serverless platform, and part of a video thumbnail.","membership":"Includes the complete rectangular excerpt with its navigation, text, and visible thumbnail content. Excludes the adjacent AWS panel and slide background.","id":"obj_009","temporal":{"status":"found","start_s":11.5,"end_s":17.75,"reference_s":14.0,"evidence":"目标是 AWS 示例右侧的白色 Google Cloud 网页摘录，包含导航栏、“App Engine”、serverless 平台说明及可见的视频缩略图。11.50 秒首次完整出现，前一帧 11.25 秒仅有 AWS 面板；17.50 秒是最后一帧，17.75 秒已切换为 Microservices 标题页，目标消失。选择 14.00 秒作为关键帧，面板边界清晰、内容完整且无遮挡。","start_frame":276,"end_frame":426,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[526.9,275.2,960.4,580.7],"positive_points":[[594,299],[920,300],[591,460],[691,534],[908,536],[812,414]],"negative_points":[[290,445],[760,611],[521,182],[981,470]],"evidence":"目标是右侧带有 Google Cloud 导航、“App Engine”标题、无服务器平台说明及视频缩略图的白色网页面板。边界框覆盖完整矩形截图；正点分布在导航、标题、说明、缩略图及面板表面，负点位于左侧 AWS 面板、上方幻灯片标题和面板外的深色背景。"}},{"name":"Azure App Service example panel","description":"Azure webpage excerpt centered below the AWS and Google Cloud examples. Has a white navigation strip with the Microsoft logo and a dark content section headed “App Service.”","membership":"Includes the entire rectangular excerpt, its navigation strip, breadcrumb, heading, and visible descriptive text. Excludes the other provider panels and surrounding background.","id":"obj_010","temporal":{"status":"found","start_s":13.25,"end_s":17.75,"reference_s":14.0,"evidence":"目标是位于 AWS 和 Google Cloud 示例下方的 Azure 网页矩形面板，包含白色导航栏、Microsoft 标志及深色“App Service”内容区。首个完整呈现帧为 13.25 秒，最后合格帧为 17.50 秒；此前 13.00 秒仅有上方两个提供商面板，此后 17.75 秒已切换为 Microservices 页面，目标消失。选择 14.00 秒作为关键帧，面板完整清晰、无遮挡，且容易与上方示例区分。","start_frame":318,"end_frame":426,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[254.9,621.5,735.8,937.5],"positive_points":[[305,652],[497,651],[704,654],[315,775],[342,870],[641,921]],"negative_points":[[278,451],[727,467],[201,803],[794,805]],"evidence":"目标是下方居中的 Azure App Service 网页摘录，可由白色导��栏、微软标志及“App Service”标题识别。边界框覆盖整个矩形摘录，包括导航栏、面包屑和底部可见说明文字。正点分布在导航栏和深色内容区，负点位于上方其他服务商面板及左右外围背景。"}},{"name":"Microservices heading","description":"Large white “Microservices” title centered at the top of the subsequent architecture slides.","membership":"Includes only the heading text; excludes the background, architecture diagrams, and explanatory text below.","id":"obj_011","temporal":{"status":"found","start_s":17.75,"end_s":39.0,"reference_s":18.0,"evidence":"目标为画面顶部居中的大型白色“Microservices”标题，仅含标题文字。17.75秒首次完整出现，持续至最后采样帧38.75秒；前一帧17.50秒仍为“PaaS / Platform as a Service”标题。区间延伸至视频结尾39.0秒，无后续帧。选择18.0秒作为关键帧，此时标题清晰完整，下方为空白，易于独立标注。","start_frame":426,"end_frame":936,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[359.4,40.8,643.1,99.0],"positive_points":[[363.3,73.8],[399.9,75.5],[451.2,78.1],[501.5,79.0],[567.4,74.7],[635.7,90.3]],"negative_points":[[330,75],[674,75],[500,20],[500,132]],"evidence":"图像顶部中央可见白色“Microservices”标题，边界框紧贴整段文字。六个正点分布在不同字母的白色笔画上，四个负点位于标题左、右、上、下方的外部深色背景。"}},{"name":"Original backend architecture diagram","description":"Gray rectangular architecture graphic initially shown on the left under “Microservices,” then enlarged. Contains an “LB” block, three overlapping application rectangles with a yellow “JS” symbol on the front, a database cylinder, and dotted connections. It remains the upper-left diagram when two additional backends appear.","membership":"Includes the outer rectangular frame and its entire enclosed area, including all blocks, symbols, and connections. Excludes the independent captions beneath it and the explanatory text to its right.","id":"obj_012","temporal":{"status":"found","start_s":19.75,"end_s":39.0,"reference_s":22.0,"evidence":"目标是包含LB方块、三层应用矩形、黄色JS标志、数据库圆柱和虚线连接的灰色外框图，不包括下方标题及右侧说明。19.50秒尚未出现，19.75秒图形已完整呈现；随后放大，并在新增两个后端图时持续保留在左上方。最后合格帧为38.75秒，区间延伸至视频结尾39.0秒，无更晚帧。选择22.0秒作为关键帧，此时图形清晰完整、无遮挡，且没有相似图形干扰。","start_frame":474,"end_frame":936,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[51.3,168.4,455.6,489.6],"positive_points":[[53,260],[112,329],[272,359],[386,327],[331,208],[178,451]],"negative_points":[[245,530],[499,75],[507,337],[350,574]],"evidence":"目标是左上方包含 LB、重叠应用矩形、黄色 JS 标志和数据库的架构图。边界框紧贴灰色外框，涵盖全部内部区域；正点分布于外框、各组件和内部表面，负点位于下方 Backend 标题、上方 Microservices 标题及框外背景，均不包含在目标中。"}},{"name":"Backend caption","description":"White “Backend” label beneath the original architecture diagram, moving and scaling with its initial enlargement before later disappearing.","membership":"Includes only the caption text. Excludes the diagram frame above and the slide background.","id":"obj_013","temporal":{"status":"found","start_s":19.75,"end_s":37.25,"reference_s":22.0,"evidence":"目标是原始架构图下方的白色“Backend”文字，不包括图框。19.75秒首次完整出现，随后随图示放大、移动，持续至37.0秒；前一帧19.5秒仅有标题，后一帧37.25秒该字幕已消失。选择22.0秒作为关键帧，文字清晰完整、无遮挡，且尚无其他相似字幕干扰。","start_frame":474,"end_frame":894,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[188.5,509.5,312.5,548],"positive_points":[[192.4,529.5],[220.2,535.6],[244.6,529.5],[266.6,522.6],[279.8,533.9],[308.6,529.5]],"negative_points":[[170.9,529.5],[329.6,529.5],[251.5,577.3],[341.8,486.1]],"evidence":"目标是架构图下方的白色“Backend”标题。边界框紧贴整段文字，六个正点分布在不同字母的笔画上；负点位于文字左右及下方背景和上方图框，排除图框与幻灯片背景。"}},{"name":"Backend responsibilities text block","description":"White explanatory block to the right of the original backend diagram. Progressively reveals “Saves orders,” “Charges credit cards,” and “Sends emails,” then displays the same responsibilities as a numbered list.","membership":"Includes all visible lines of this evolving text block, including the numbering when present. Excludes the adjacent architecture diagram and background.","id":"obj_014","temporal":{"status":"found","start_s":27.0,"end_s":37.25,"reference_s":34.0,"evidence":"目标是���始后端架构图右侧的白色职责文字块。27.0秒三行职责首次完整呈现；此前26.75秒仅有“Saves orders”和“Charges credit cards”，尚缺“ Sends emails”。随后同一文字块变为编号列表，37.0秒仍完整可见，37.25秒已消失，因此最后合格帧为37.0秒。选择34.0秒作为关键帧，编号与三行文字清晰、无遮挡，易与左侧架构图区分。","start_frame":648,"end_frame":894,"reference_frame":816},"grounding":{"status":"found","bbox_xyxy":[482.9,212.7,813.0,427.1],"positive_points":[[490.2,236.1],[607.4,230.0],[521.5,318.6],[807.6,325.5],[491.2,388.9],[685.5,401.0]],"negative_points":[[385,326],[500,80],[900,320],[630,490]],"evidence":"目标是后端架构图右侧的白色三行职责编号列表。边界框紧密覆盖从“1) Saves orders”到“3) Sends emails”的全部文字及编号。六个正点分布在各行的可见字形上；负点位于左侧架构图、顶部标题和列表外的背景，均不落在文字内部空隙。"}},{"name":"Upper-right backend architecture diagram","description":"Second architecture graphic introduced at the upper right alongside the original. Contains its own “LB” block, overlapping application rectangles with a yellow “JS” symbol, database cylinder, and dotted connections; later captioned “Payments Backend.”","membership":"Includes its outer rectangular frame and the entire enclosed area with all internal symbols and connections. Excludes the separate Payments Backend caption and the other diagrams.","id":"obj_015","temporal":{"status":"found","start_s":37.5,"end_s":39.0,"reference_s":38.75,"evidence":"目标是右上方新增的架构图，包含完整外框、LB 块、重叠应用矩形、黄色 JS 标志、数据库和虚线连接；不包含下方 Payments Backend 字幕。首个合格帧为37.50秒，虽然仍在缩放，但整体结构已完整；前一帧37.25秒尚未出现该图。最后合格帧为38.75秒，持续至视频结束39.00秒，无后续采样帧。选择38.75秒为关键帧，此时图形清晰稳定，且字幕有助于区别其他架构图。","start_frame":900,"end_frame":936,"reference_frame":930},"grounding":{"status":"found","bbox_xyxy":[546.9,168.4,951.2,489.6],"positive_points":[[607.9,328.1],[768.1,360.2],[881.3,329.9],[825.2,209.2],[664.1,459.2],[747.1,171.0]],"negative_points":[[746.1,525.2],[385.7,327.3],[518.1,776.0],[974.1,312.5]],"evidence":"目标是右上方包含 LB、叠放应用方框、黄色 JS、数据库及虚线连接的架构图。边界框紧贴其外矩形框，包含整个内部区域，不含下方 Payments Backend 标题。正点分布于内部符号、面板区域及上边框；负点位于标题、左侧图、下方图和右侧外部背景。"}},{"name":"Lower backend architecture diagram","description":"Third architecture graphic introduced at the lower center beneath the two upper diagrams. Contains an “LB” block, overlapping application rectangles with a yellow “JS” symbol, database cylinder, and dotted connections; later captioned “Email Backend.”","membership":"Includes its outer rectangular frame and all enclosed area and contents. Excludes the independent Email Backend caption and the upper diagrams.","id":"obj_016","temporal":{"status":"found","start_s":37.5,"end_s":39.0,"reference_s":38.75,"evidence":"目标是两幅上方架构图之下、下方中央的第三幅图，包含完整外框、LB、重叠应用矩形、黄色JS、数据库及虚线连接，不含Email Backend标题。37.50秒首次完整出现，虽仍在缩放但结构齐全；此前37.25秒尚无该下方图。最后合格帧为38.75秒，持续至视频结束39.00秒，无后续采样帧。选择38.75秒作关键帧，图形清晰稳定，且Email Backend标题可辅助确认身份。","start_frame":900,"end_frame":936,"reference_frame":930},"grounding":{"status":"found","bbox_xyxy":[297.9,583.3,701.7,905.4],"positive_points":[[358,704],[477,681],[518,780],[632,741],[419,864],[686,601]],"negative_points":[[488,939],[253,326],[750,327],[734,741]],"evidence":"目标是下方中央、Email Backend 标题上方的第三个架构图。边界框紧贴其外矩形框，包含框内全部区域、LB、重叠应用块、JS、数据库及连接线，不含下方标题。六个正点分布在内部组件和面板区域；负点位于下方独立标题、两个上方架构图及右侧外部背景。"}}]}
+{"video_id":23,"video_type":"desktop and application interfaces","targets":[{"name":"Backend heading","description":"Large white “Backend” title, initially centered above the data-management explanation and later positioned above the right half of the frontend/backend comparison.","membership":"Includes only the heading text; excludes the explanatory line, diagrams, and background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":15.25,"reference_s":1,"evidence":"目标是独立的大号白色“Backend”标题，不包括下方说明文字。首个合格帧为0.00秒，标题已完整显示；7.00秒起移至前后端对比画面的右侧上��，并持续至最后合格帧15.00秒。15.25秒画面切为亚马逊标志，标题消失。区间始于视频开头，无更早采样帧。选择1.00秒作为关键帧，标题清晰完整、无遮挡，易与说明文字区分。","start_frame":0,"end_frame":366,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[383.8,57.3,616.7,125.9],"positive_points":[[388.7,92],[439.5,105],[459,100],[489,78],[527.3,116.3],[610.8,88.5]],"negative_points":[[488,197],[146.5,117],[498,30],[669,90]],"evidence":"目标是图像上方的大号白色“Backend”标题。边界框紧贴整行标题文字，不包含下方说明。六个正点分布在标题不同字母的笔画上；负点位于下方说明、左侧 Amazon 标志及标题外的深色背景。"}},{"name":"Data-management explanation","description":"White text reading “saves and manages data” beneath the initial Backend heading.","membership":"Includes the complete text line, excluding the heading and adjacent graphics.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":7,"reference_s":0,"evidence":"目标是初始“Backend”标题下方完整的白色文字行“saves and manages data”，不含标题及旁边图形。首个合格帧为0.00秒，文字已完整显示；最后合格帧为6.75秒。7.00秒切换为左右分栏的Frontend/Backend画面，目标文字消失。区间起于视频开头，没有更早帧。选择0.00秒作关键帧，文字清晰且无遮挡，周围图形最少。","start_frame":0,"end_frame":168,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[306,172,692,224],"positive_points":[[312,187.5],[367.2,198.8],[456,186],[473.6,202.3],[587.9,198.8],[667.5,199.7]],"negative_points":[[500,100],[275,198],[723,198],[500,275]],"evidence":"目标是 Backend 标题下方的白色文字“saves and manages data”。边界框紧贴整行文字，包含字母下伸部分，不含标题。六个正点分布在该行不同位置的字形笔画上；负点位于上方标题以及文字左、右、下方的外部背景。"}},{"name":"Amazon logo in introductory example","description":"Black Amazon wordmark with an orange smile-arrow on a white rectangular card at the upper left of the introductory backend slides.","membership":"Includes the white logo card and all its contents; excludes the nearby Backend text and screenshots.","id":"obj_003","temporal":{"status":"found","start_s":0.25,"end_s":7.0,"reference_s":1.0,"evidence":"目标是开场 Backend 幻灯片左上角的白色矩形卡片，内含黑色 amazon 字标和橙色笑脸箭头。首个完整呈现帧为 0.25 秒，最后合格帧为 6.75 秒；此前 0.00 秒仅有 Backend 标题，此后 7.00 秒已切换为 Frontend/Backend 分栏，目标消失。选择 1.00 秒作为关键帧，卡片清晰完整且无遮挡。","start_frame":6,"end_frame":168,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[38.1,61.6,259.8,215.3],"positive_points":[[55,80],[98,119],[228,127],[130,184],[65,195],[244,198]],"negative_points":[[25,140],[285,145],[405,104],[451,198]],"evidence":"目标是左上角带黑色 Amazon 字标和橙色微笑箭头的白色矩形卡片。边界框紧贴整张白色卡片，包含其全部内容；正点分布在卡片白底、字标及箭头上，负点位于卡片外的深色背景和右侧 Backend 标题及说明文字上。"}},{"name":"Amazon order-history screenshot","description":"White “Your Orders” panel introduced below the Amazon logo. It shows order search and filters, an order dated October 10, 2021, and a tripod-stand purchase. Later screenshots overlap it.","membership":"Includes the screenshot surface, edges, and all contained order details, controls, and product imagery. Excludes the separate screenshots layered over it.","id":"obj_004","temporal":{"status":"found","start_s":2.5,"end_s":7.0,"reference_s":2.5,"evidence":"目标是 Amazon 标志下方的白色“Your Orders”订单历史截图，含搜索与筛选控件、October 10, 2021 日期及三脚架商品。首个合格帧为2.50秒，截图已完整呈现；2.25秒仅有标志和标题。之后虽被其他截图部分遮挡，原截图仍持续可见，最后合格帧为6.75秒；7.00秒已切换为 Frontend/Backend 分栏，目标消失。选择2.50秒为关键帧，因为截图清晰完整且无遮挡。","start_frame":60,"end_frame":168,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[38.1,265.6,616.7,773.4],"positive_points":[[99,414],[323,339],[436,415],[163,523],[378,586],[87,724]],"negative_points":[[147,137],[495,92],[703,520],[349,841]],"evidence":"目标是 Amazon 标志下方的白色“Your Orders”订单历史截图，可见订单搜索、筛选、October 10, 2021 日期及三脚架商品。边界框紧贴整张可见截图的四边；六个正点分布在标题、提示栏、搜索框、筛选控件、订单信息及商品图区域。负点位于独立 Amazon 标志、Backend 标题及截图右侧和下方的深色背景。"}},{"name":"Amazon profile-management screenshot","description":"White panel with a blue “Manage your profile” header, layered over the order-history screenshot. Six cards cover orders, login and security, business settings, payments, analytics, and gift cards.","membership":"Includes the entire panel, its header, card boundaries, icons, and text; excludes the underlying order-history panel and the later search overlay.","id":"obj_005","temporal":{"status":"found","start_s":3.5,"end_s":7.0,"reference_s":4.0,"evidence":"目标是叠在订单历史截图上的白色面板，带蓝色“Manage your profile”标题栏和六张账户管理卡片。首个合格帧为3.50秒，面板已完整显示；此前3.25秒只有订单历史截图。5.00秒起搜索框覆盖其部分区域，但标题栏及左侧结构仍可辨认，持续至最后合格帧6.75秒；7.00秒已切换为Frontend/Backend分栏，目标消失。选择4.00秒作为关键帧，因整个面板清晰且无遮挡。","start_frame":84,"end_frame":168,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[109.9,334.2,798.8,834.2],"positive_points":[[248,467],[589,474],[285,616],[632,622],[283,767],[594,766]],"negative_points":[[77,579],[86,302],[852,607],[499,196]],"evidence":"目标是叠放在订单历史截图前方、带蓝色“Manage your profile”标题栏的白色面板。边界框覆盖整个标题栏及六张功能卡片；六个正点分布在六张卡片内，负点位于后方订单面板、上方说明文字和右侧深色背景，均不属于目标。"}},{"name":"Amazon search-autocomplete screenshot","description":"Foreground screenshot with “shoes n” in the search field and a suggestion list including “shoes nike for men” and “shoes nike.” It overlaps the profile and order screenshots.","membership":"Includes the complete cropped screenshot, search bar, category selector, search icon, suggestion dropdown, and visible surrounding page fragments. Excludes the screenshots behind it.","id":"obj_006","temporal":{"status":"found","start_s":5.0,"end_s":7.0,"reference_s":5.0,"evidence":"目标是叠在账户资料和订单截图前方的搜索自动补全截图，包含“shoes n”搜索框及“shoes nike for men”“shoes nike”等建议。5.00秒首次完整出现，至6.75秒持续完整可见；前一帧4.75秒只有后方资料和订单截图，后一帧7.00秒已切换为Frontend/Backend分栏画面，目标消失。选择5.00秒作为关键帧，截图边界清晰且无遮挡。","start_frame":120,"end_frame":168,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[195.3,424.5,931.2,931.4],"positive_points":[[215,461],[529,461],[875,460],[358,558],[752,852],[914,722]],"negative_points":[[150,354],[79,521],[961,734],[506,191]],"evidence":"根据搜索框中的“shoes n”和下方包含“shoes nike for men”“shoes nike”的建议列表，识别出最前景截图。边界框覆盖完整裁剪截图，包括搜索栏、类别选择器、搜索图标、下拉列表及两侧可见页面片段。正点分布在这些区域内；负点位于后方个人资料与订单截图、上方标题及右侧外部背景。"}},{"name":"Frontend heading","description":"Large white “Frontend” heading on the left of the split frontend/backend comparison.","membership":"Includes only the heading text, excluding the divider and graphics below.","id":"obj_007","temporal":{"status":"found","start_s":7.0,"end_s":15.25,"reference_s":7.0,"evidence":"目标是左右对比分栏左上方的大号白色“Frontend”标题，仅包含文字。首个合格帧为7.00秒，标题已完整显示；最后合格帧为15.00秒。前一帧6.75秒仍是Backend介绍及亚马逊页面截图，没有该标题；后一帧15.25秒切换为亚马逊标志画面，标题消失。选择7.00秒作为关键帧，因为标题清晰完整且周围没有下方图形干扰。","start_frame":168,"end_frame":366,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[131.3,73.8,318.5,126.7],"positive_points":[[136,101],[160,110],[176,107],[233,107],[272,111],[314,100]],"negative_points":[[107,101],[225,165],[500,100],[688,98]],"evidence":"目标是左侧白色“Frontend”标题，边界框紧贴完整文字。六个正点分布在不同字母的白色笔画上；负点位于标题左侧和下方背景、中央分隔线及右侧“Backend”标题上，均不包含文字内部空隙。"}},{"name":"Backend architecture diagram","description":"Connected diagram beneath the right-side Backend heading. It contains a Databases box with MySQL, Elasticsearch, Redis, and Snowflake logos; a Microservice box with LB, VMs, AWS, JS, and Express; a RabbitMQ Queue; and partially cropped Data Service and Email Service boxes.","membership":"Includes the diagram's boxes, their surfaces and contents, and the connecting lines between these backend components. Excludes the Backend heading, central slide divider, and the separate arrow linking the frontend browser to the backend.","id":"obj_008","temporal":{"status":"found","start_s":9.25,"end_s":15.25,"reference_s":10.0,"evidence":"目标是右侧 Backend 标题下由 Databases、Microservice、RabbitMQ Queue ��右缘有意裁切的 Data Service、Email Service 方框和连接线组成的架构图。9.25 秒首次完成淡入，15.00 秒为最后合格帧；此前 9.00 秒仍在淡入，之后 15.25 秒已切换为 Amazon 标志画面。选择 10.00 秒作为关键帧，图形清晰，且尚无前端浏览器连接箭头干扰。","start_frame":222,"end_frame":366,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[558.1,201.4,1000,903.6],"positive_points":[[591,301],[732,590],[715,857],[905,500],[934,826],[830,683]],"negative_points":[[774,104],[500,510],[532,687],[827,458]],"evidence":"根据 Databases、Microservice、RabbitMQ Queue 及右侧被裁切的 Data Service、Email Service 识别出后端架构图。边界框覆盖所有可见组件框、内部内容和连接线，右边贴合图像边缘。正点分布于五个组件及斜向连接线上；负点位于 Backend 标题、中央分隔线和图外深色背景，不包含这些排除对象。"}},{"name":"Frontend styling technology logos","description":"Compact upper row of HTML5, CSS3, Sass, and Bootstrap logos above the browser illustration on the left of the comparison.","membership":"Includes the four complete logo shapes and their internal markings; excludes the background, browser illustration, and heading.","id":"obj_009","temporal":{"status":"found","start_s":12.5,"end_s":15.25,"reference_s":13.0,"evidence":"目标是左侧浏览器插图上方横排的 HTML5、CSS3、Sass 和 Bootstrap 四个标志。12.50 秒时四个标志已完成淡入，最后合格帧为 15.00 秒；此前 12.25 秒仍处于淡入阶段，之后 15.25 秒比较画面被 Amazon 标志画面替换。选择 13.00 秒作为关键帧，四个标志完整清晰且无遮挡。","start_frame":300,"end_frame":366,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[107.4,272.6,374.5,369.8],"positive_points":[[122.1,286.5],[134.3,342.0],[189.5,303.8],[251.5,277.8],[321.3,291.7],[348.6,341.1]],"negative_points":[[220,100],[242,490],[400,320],[85,325]],"evidence":"目标是左侧浏览器插图上方横排的 HTML5、CSS3、Sass 和 Bootstrap 标志。边界框紧贴四个完整标志的整体外缘；六个正点分布在各标志的实体图形或内部标记上，四个负点位于上方标题、下方浏览器及左右外部背景，均不包含在目标中。"}},{"name":"Frontend browser illustration","description":"Browser-window graphic with a Chrome logo and an Amazon shoe-results page showing three black shoes, positioned between the two frontend technology rows.","membership":"Includes the browser-shaped frame, tabs, Chrome logo, and enclosed product-results screenshot. Excludes surrounding technology logos and the connection arrow.","id":"obj_010","temporal":{"status":"found","start_s":12.5,"end_s":15.25,"reference_s":13.0,"evidence":"目标是左侧两排前端技术标志之间的浏览器插图，包含标签页、Chrome 标志和展示三只黑鞋的 Amazon 商品页面，不含周围标志及连接箭头。12.50 秒首次完成淡入，最后合格帧为 15.00 秒；此前 12.25 秒仍处于初始淡入，之后 15.25 秒画面切换为单独的 Amazon 标志，目标消失。选择 13.00 秒，浏览器轮廓完整且无遮挡，便于标注。","start_frame":300,"end_frame":366,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[113.8,398.4,363.0,687.5],"positive_points":[[130.9,425.3],[194.8,414.1],[132.8,565.1],[211.4,520.8],[331.1,518.2],[261.7,651.0]],"negative_points":[[132,321],[203,777],[411,543],[96,537]],"evidence":"目标是左侧两排前端技术标志之间的浏览器插图，带有 Chrome 标志及展示三只黑鞋的商品结果页。边界框紧贴浏览器外框与顶部标签；正点分布在标志、标签和内部商品页面，负点位于上方技术标志、下方 React 标志、右侧连接箭头及左侧外部背景。"}},{"name":"Frontend–backend communication arrow","description":"Horizontal double-headed arrow connecting the browser illustration on the left to the Microservice box on the right.","membership":"Includes the arrow shaft and both arrowheads; excludes the browser, backend box, and vertical slide divider.","id":"obj_011","temporal":{"status":"found","start_s":12.5,"end_s":15.25,"reference_s":13.0,"evidence":"目标是左侧浏览器示意图与右侧 Microservice 方框之间的水平双向箭头，包含箭杆及两端箭头。首个完成淡入的采样帧为12.50秒，最后合格帧为15.00秒；此前12.25秒仍在淡入，之后15.25秒切换为 Amazon 标志画面，箭头消失。选择13.00秒作为关键帧，箭头结构清楚，便于与竖直分隔线和两侧图块区分。","start_frame":300,"end_frame":366,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[362.8,520,558.1,566],"positive_points":[[374.5,542.5],[405.3,542.5],[463.9,542.5],[520,542.5],[540,532],[546.9,542.5]],"negative_points":[[342,520.8],[576.2,542.5],[500,542.5],[449.2,494.8]],"evidence":"目标是浏览器与 Microservice 面板之间的灰色水平双向箭头。边界框紧贴箭杆及左右箭头尖���；正点分布在两端箭头和可见箭杆上，负点位于浏览器、后端面板、中央白色分隔线及箭头上方背景，排除这些非目标区域。"}},{"name":"Frontend scripting and tooling logos","description":"Compact lower row of JavaScript, React, webpack, and TypeScript logos beneath the browser illustration.","membership":"Includes the complete four logo graphics and their internal markings, excluding the background and nearby text.","id":"obj_012","temporal":{"status":"found","start_s":12.5,"end_s":15.25,"reference_s":13.0,"evidence":"目标是浏览器示意图下方横排的 JavaScript、React、webpack 和 TypeScript 四个完整标志，不含下方文字。12.5 秒为淡入完成后的首个合格帧，15.0 秒为最后合格帧；前一帧 12.25 秒仍在淡入，后一帧 15.25 秒已切换为 Amazon 标志画面，目标消失。选择 13.0 秒，四个标志清晰完整且无遮挡。","start_frame":300,"end_frame":366,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[114.7,722.2,359.4,831.6],"positive_points":[[126.5,751.0],[148.0,800.3],[205.6,777.0],[267.1,778.6],[322.3,752.6],[347.2,803.8]],"negative_points":[[238.3,704.9],[219.7,855.0],[216.8,910.6],[244.1,651.0]],"evidence":"目标是浏览器插图下方一排 JavaScript、React、webpack 和 TypeScript 标志。边界框紧贴四个完整标志的整体范围；六个正点分布在标志图形及内部标记上，四个负点位于行外背景、下方文字和上方浏览器插图，排除附近内容。"}},{"name":"Frontend video reference","description":"Two-line white text beneath the frontend technology graphics reading “Frontend Video” and “(link in description)”.","membership":"Includes both lines as one text block; excludes the logos above and background.","id":"obj_013","temporal":{"status":"found","start_s":12.5,"end_s":15.25,"reference_s":13.0,"evidence":"目标是左侧前端技术图形下方的两行白字“Frontend Video”和“(link in description)”。12.50秒首次完成淡入，最后合格帧为15.00秒；紧邻之前的12.25秒文字仍在淡入，之后15.25秒已切换为仅有Amazon标志的画面。选择13.00秒作为关键帧，两行文字完整清晰且无遮挡。","start_frame":300,"end_frame":366,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[133.3,889,331.5,965.5],"positive_points":[[155.8,899.3],[255.9,898.4],[310.1,908],[142.1,942.7],[214.8,941.8],[329.1,946.2]],"negative_points":[[331,782],[234,867],[112,929],[238,984]],"evidence":"目标是前端技术图标下方的两行白字“Frontend Video”和“(link in description)”。边界框紧贴整个两行文字块；六个正点分布在两行的字形笔画上，负点位于上方图标及文字块外侧背景，排除了图标和背景。"}},{"name":"Amazon logo above checkout demonstration","description":"Amazon wordmark and orange smile-arrow on a white rectangular card, presented at the top center after the comparison graphics disappear.","membership":"Includes the entire white card and its logo contents; excludes the checkout screenshot below.","id":"obj_014","temporal":{"status":"found","start_s":15.25,"end_s":24.0,"reference_s":16.0,"evidence":"目标是比较图消失后位于顶部中央的白色矩形卡片，包含 Amazon 黑色字标和橙色笑脸箭头，不含下方结账截图。15.25 秒首次完整出现，前一帧 15.00 秒仍是前后端比较图；此后持续完整可见，最后合格帧为 23.75 秒，区间延至视频结尾 24.00 秒，无后续采样帧。选择 16.00 秒作为关键帧，卡片清晰、无遮挡，且下方尚无截图干扰。","start_frame":366,"end_frame":576,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[377.4,40.8,622.6,193.6],"positive_points":[[391,57],[605,62],[450,95],[553,98],[482,165],[600,175]],"negative_points":[[500,20],[345,112],[655,120],[500,240]],"evidence":"目标位于图像顶部中央，为带黑色 Amazon 字标和橙色微笑箭头的白色矩形卡片。边界框紧贴整张白卡，包含其全部标志内容；正点分布在卡片表面、字标及箭头上，负点位于卡片四周的深色外部背景。"}},{"name":"Amazon checkout review panel","description":"Large white Amazon.ca “Review your order” screenshot beneath the centered logo. It shows socks and black athletic shoes, delivery choices, and an order summary totaling $142.36. The panel becomes faded while the order is processing.","membership":"Includes the screenshot surface, boundary, product images, text, delivery controls, summary, and order button. Excludes the separate loading spinner, click-emphasis ring, ordinary cursor, and overlaid “What happens?” text.","id":"obj_015","temporal":{"status":"found","start_s":20.0,"end_s":24.0,"reference_s":20.0,"evidence":"目标是居中 Amazon 标志下方的 Amazon.ca“Review your order”白色面板，含袜子、黑色运动鞋、配送选项及 $142.36 订单总额。19.75 秒仍处于初始淡入，20.00 秒首次完整显现；最后合格帧为 23.75 秒。处理订单时面板虽���淡，但表面与边界持续存在，属于处理状态而非退出，故保留至视频末尾 24.00 秒，之后无采样帧。选择 20.00 秒作为关键帧，面板清晰且无遮挡。","start_frame":480,"end_frame":576,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[167.0,255.2,829.1,935.8],"positive_points":[[244,355],[216,495],[215,774],[526,789],[730,420],[731,658]],"negative_points":[[500,118],[103,573],[890,650],[502,970]],"evidence":"目标是独立 Amazon 标志下方的大型白色 Amazon.ca 结账截图，可见“Review your order”、袜子、黑色运动鞋及总额 $142.36。边界框紧贴整张截图，涵盖页面表面、商品、配送选项和订单摘要；正点分布于标题、商品、配送区、下单按钮及摘要区，负点位于上方独立标志和截图外的深色背景。"}},{"name":"Place your order button","description":"Yellow “Place your order” button at the upper right of the checkout panel, explicitly targeted and clicked during the demonstration.","membership":"Includes the button's rounded boundary, yellow surface, and label. Excludes the cursor, temporary click ring, and surrounding order-summary text.","id":"obj_016","temporal":{"status":"found","start_s":20.0,"end_s":23.0,"reference_s":20.0,"evidence":"目标是结账面板右上角带圆角黄色底和“Place your order”文字的按钮。20.00秒首次完成淡入，22.75秒为最后合格帧；前一帧19.75秒仍处于淡入，后一帧23.00秒加载遮罩使按钮及面板明显淡化。选择20.00秒作为关键帧，此时按钮清晰完整，鼠标与点击圆环均未遮挡按钮。","start_frame":480,"end_frame":552,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[651.4,402.8,807.1,437.5],"positive_points":[[662.1,413.2],[687.5,427.1],[706.5,420.1],[749.0,421.0],[775.4,411.5],[797.9,426.2]],"negative_points":[[727.5,381.9],[727.5,452.3],[636.2,420.1],[819.3,420.1]],"evidence":"目标是结账面板右上方标有“Place your order”的黄色按钮。边界框紧贴按钮的圆角边界，包含黄色表面和标签。六个正点分布在按钮表面与文字上；四个负点位于按钮上方、左右外部以及下方说明文字处，均不包含按钮内容。"}},{"name":"Order-processing spinner","description":"Orange circular loading indicator in a small white rounded-square tile near the center of the faded checkout panel.","membership":"Includes the loading tile, its boundary and surface, and the orange loading arc. Excludes the faded checkout contents and question text above it.","id":"obj_017","temporal":{"status":"found","start_s":23.0,"end_s":24.0,"reference_s":23.25,"evidence":"目标是淡化结账面板中央的白色圆角方形加载 tile 及其中的橙色圆弧。23.0 秒首次完整出现，最后一个合格帧为 23.75 秒；前一帧 22.75 秒仅显示下单按钮附近的点击圆圈，尚无加载指示器。目标持续到视频结束，之后没有采样帧。选择 23.25 秒作为关键帧，此时方形边界和橙色圆弧清晰，且没有上方问题文字的干扰。","start_frame":552,"end_frame":576,"reference_frame":558},"grounding":{"status":"found","bbox_xyxy":[468.75,611.98,533.2,726.56],"positive_points":[[475.1,624.1],[527.3,624.1],[476.1,715.3],[527.3,712.7],[501.5,638.9],[516.6,655.4]],"negative_points":[[454.1,664.1],[546.9,677.1],[502.9,591.1],[507.8,746.5]],"evidence":"目标是淡化结账面板中央附近、带橙色加载圆弧的白色圆角方块。边界框覆盖完整加载方块及其边界；正点分布在白色表面和橙色圆弧上，负点位于方块四周的结账页面内容区域。"}},{"name":"What happens question","description":"Large bold black “What happens?” text overlaid across the faded checkout panel during order processing.","membership":"Includes only the complete question text; excludes the checkout screenshot, loading tile, and spinner.","id":"obj_018","temporal":{"status":"found","start_s":23.5,"end_s":24.0,"reference_s":23.5,"evidence":"目标是淡化结账面板上方完整的黑色粗体“What happens?”问句，不包含加载框或旋转图标。首个 qualifying 帧为23.50秒，最后为23.75秒，两帧文字均完整清晰；前一帧23.25秒只有淡化面板和加载图标，尚无问句。该文字持续至视频结束24.00秒，之后无采样帧。选择23.50秒作为关键帧，文字轮廓清楚且无遮挡。","start_frame":564,"end_frame":576,"reference_frame":564},"grounding":{"status":"found","bbox_xyxy":[311.0,523.4,689.5,601.6],"positive_points":[[323.2,560.8],[372.1,559.0],[463.9,561.6],[523.4,589.4],[587.9,558.2],[678.2,534.7]],"negative_points":[[500.5,664.9],[217.3,771.7],[512.7,434.9],[738.3,566.8]],"evidence":"目标是结账截图中央叠加的黑色粗体“What happens?”。边界框紧贴整句文字，包含问号及字母下伸部分；六个正点分布在不同字母和问号的笔画上，四个负点位于文字外的结账内容、加载区域及背景。"}}]}
+{"video_id":24,"video_type":"desktop and application interfaces","targets":[{"name":"Framed handwritten nine","description":"A pixelated white handwritten 9, initially inside a white square above the network’s input layer. It later appears in a cyan-bordered square at the left of the top decomposition equation.","membership":"Include the square panel’s boundary, black interior, and white digit. Exclude the adjacent colored digits, network, and equation operators.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":20.75,"reference_s":0,"evidence":"目标是包含黑色内部、白色像素手写9及方框边界的面板，起初位于网络输入层上方，20.50秒出现在顶行分解等式左侧并改为青色边框。首个合格帧为0.00秒，此前无视频帧；最后合格帧为20.50秒，紧邻的20.75秒帧中面板和数字已开始淡出。选择0.00秒为关键帧，方框与数字完整清晰，且与旁边彩色数字容易区分。","start_frame":0,"end_frame":498,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[311.46,90.74,418.75,281.48],"positive_points":[[312.5,138.89],[390.63,92.59],[417.71,245.37],[343.75,257.41],[352.6,178.7],[368.75,229.63]],"negative_points":[[481.25,187.96],[365.1,324.07],[286.46,185.19],[437.5,268.52]],"evidence":"目标是网络输入层上方白色方框内的像素化手写数字9。边界框紧贴整个方形面板，包含白色边框、黑色内部及白色数字；正点分布在这些组成部分上，负点位于右侧彩色数字、下方网络节点和面板外背景。"}},{"name":"Multicolored stroke decomposition of nine","description":"The small multicolored 9 above the first hidden layer. Its pink, green, cyan, yellow, orange, and lime stroke segments briefly separate and then reassemble.","membership":"Include all colored stroke segments belonging to this digit, including their pixelated edges. Preserve the gaps between separated segments; exclude the adjacent framed input and network below.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":20.5,"reference_s":2.5,"evidence":"目标是第一隐藏层上方由粉、绿、青、黄、橙和 lime 色像素笔画组成的小号9，不包括左侧带框输入及右侧后来出现的双色9。首个合格帧为0秒，已完整呈现；其笔画短暂分离再重组属于同一目标的变形。最后合格帧为20.25秒，20.5秒切换到另一幅数字分解图，该目标消失。起点之前没有采样帧。选择2.5秒作为关键帧，彩色9完整清晰、无遮挡且易与邻近对象区分。","start_frame":0,"end_frame":492,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[453.6,142.6,502.6,254.6],"positive_points":[[485.4,149.1],[466.1,167.6],[493.2,169.4],[460.9,193.5],[483.3,189.8],[482.8,241.7]],"negative_points":[[367,180],[477,361],[476,112],[523,197]],"evidence":"目标是第一隐藏层上方、白框输入右侧的彩色数字9。边界框紧贴其全部彩色笔画及像素化边缘；六个正点分布在粉、绿、青、黄、橙和黄绿色笔画上。负点位于相邻白色输入数字、下方网络节点及目标外部黑色背景，未放入笔画间隙。"}},{"name":"Digit-classification neural network","description":"The large fully connected network with an input column marked 784, two hidden columns, and ten output nodes labeled 0 through 9. Node fills change as signals pass through the network, ultimately highlighting the output for 9.","membership":"Include all neuron circles and their interiors, connecting lines, the input brace and 784 label, the input ellipsis, and output labels. Exclude the digit illustrations above, independent text at the left, and transient yellow signal-travel highlights.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":20.5,"reference_s":10.5,"evidence":"目标为带784输入标注及括号、两列隐藏神经元、0至9输出标签的全连接网络，包含节点、连线和输入省略号。首个合格帧为0.00秒，网络已完整建立，视频起点前无采样帧；最后合格帧为20.25秒，20.50秒已切换为数字拆分示意图，网络消失。选择10.50秒作为关键帧，网络结构清晰完整，输出9已点亮，且无瞬时黄色传播高亮干扰；上方数字和左侧独立文字不属于目标。","start_frame":0,"end_frame":492,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[286.5,310.2,724,938.9],"positive_points":[[292,611],[341,527],[365.1,924.1],[478.1,361.1],[591.1,431.5],[704.7,781.5]],"negative_points":[[350,187],[462,190],[579,190],[778,630]],"evidence":"目标是下方带“784”输入标记、两列隐藏节点及0至9输出标签的全连接网络。边界框覆盖全部节点及其内部、连线、输入括号与省略号和数字标签，不含上方数字示意图。正点分布在784文字、括号、输入节点、两列隐藏节点和输出9节点；负点位于上方三个数字示意图及网络右侧外部背景。"}},{"name":"Loop-and-tail illustration of nine","description":"A second colored 9 appears above the right hidden layer, with a yellow upper loop and a red descending tail. These two components separate vertically and then rejoin.","membership":"Include the yellow loop and its enclosed area together with the red tail, following their actual outlines. Exclude the open gap when the components separate, the network below, and the neighboring multicolored digit.","id":"obj_004","temporal":{"status":"found","start_s":6.5,"end_s":20.5,"reference_s":8.5,"evidence":"目标是右侧隐藏层上方由黄色圆环和红色下垂笔画组成的第二个9，不包括旁边的多色9。6.50秒首次完整显现；此前6.25秒仍在淡入。圆环与尾部随后上下分离再合拢，属于同一目标的连续变形。最后符合条件的帧为20.25秒，20.50秒切换为带方框的数字分解图，原目标的连续出现结束。选择8.50秒作为关键帧，此时两部分已合拢，轮廓清晰且无遮挡。","start_frame":156,"end_frame":492,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[566.1,142.6,615.6,266.7],"positive_points":[[597.9,150.9],[606.3,165.7],[576.0,195.4],[590.1,173.1],[594.8,221.3],[601.0,256.5]],"negative_points":[[480.7,180.6],[635.4,200.0],[590.6,110.2],[591.1,360.2]],"evidence":"目标是右侧隐藏层上方由黄色环和红色下垂尾部组成的数字9。边界框紧贴这两个彩色部分；正点分布在黄色环、其包围区域和红色尾部，负点位于左邻多色数字、外部黑色背景及下方网络节点。"}},{"name":"Question about the network","description":"The large white text block to the left of the network reading “Does the network actually do this?”","membership":"Include both lines of the question and its punctuation. Exclude the network, the cyan annotation above, and its arrow.","id":"obj_005","temporal":{"status":"found","start_s":13.5,"end_s":20.5,"reference_s":14.0,"evidence":"目标是网络左侧的两行白色问题“Does the network actually do this?”，包含问号，不含青色注释及箭头。13.5秒首次完成文字显现；前一帧13.25秒仍有文字处于描绘、填充阶段。最后符合条件的帧为20.25秒，20.5秒已切换为数字分解画面，问题消失。选择14.0秒作为关键帧，此时文字完整清晰，且上方青色注释尚未出现。","start_frame":324,"end_frame":492,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[34.4,434.3,301.6,564.8],"positive_points":[[40.6,453.7],[126.6,452.8],[288.5,459.3],[46.4,547.2],[124.5,531.5],[287.5,549.1]],"negative_points":[[166.7,374.1],[143.2,601.9],[364.6,394.4],[303.1,625.0]],"evidence":"目标是网络左侧的两行白色问题文字“Does the network actually do this?”。边界框紧贴两行文字及问号，正点分布在两行的字形和标点上；负点位于文字上、下方的外部黑色背景，以及右侧网络节点和“784”标签上。"}},{"name":"Return-to-question annotation","description":"The cyan two-line text above the question reading “We’ll get back to this”.","membership":"Include only the complete text block. Exclude the downward arrow and the white question below.","id":"obj_006","temporal":{"status":"found","start_s":15.5,"end_s":20.5,"reference_s":16.0,"evidence":"目标是白色问题上方的青色两行文字“We’ll get back to this”，不包含箭头和下方问题。首个符合条件的帧为15.50秒，15.25秒文字仍在淡入；最后符合条件的帧为20.25秒，20.50秒已切换为数字分解画面，目标消失。选择16.00秒作为关键帧，文字完整清晰且无遮挡。","start_frame":372,"end_frame":492,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[34.9,61.1,251.6,181.5],"positive_points":[[40.6,75.9],[162,87],[187,83.3],[99.5,162],[142.7,163],[188,176.9]],"negative_points":[[156.3,312],[81.3,464.8],[276.6,128.7],[146.4,32.4]],"evidence":"目标是左上方青色的两行文字“We’ll get back / to this”。边界框紧贴完整文字块，不包含下方箭头和白色问题。六个正点分布在两行文字的字形笔画上；负点位于箭头、白色问题及文字块外的黑色背景。"}},{"name":"Cyan reference arrow","description":"The cyan arrow beneath the return annotation, pointing downward toward the question about the network.","membership":"Include the arrow shaft and filled arrowhead. Exclude both adjacent text blocks.","id":"obj_007","temporal":{"status":"found","start_s":15.5,"end_s":20.5,"reference_s":17.0,"evidence":"目标是“We’ll get back to this”下方、指向网络问题文字的青色箭头，仅包括箭杆和实心箭头。15.50秒首次完整呈现，20.25秒为最后合格帧；此前15.25秒箭杆仍在延伸，尚未完成，之后20.50秒切换为数字分解图，箭头消失。选择17.00秒作为关键帧，箭头完整清晰且无遮挡。","start_frame":372,"end_frame":492,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[144.8,211.1,171.4,406.5],"positive_points":[[147.4,222.2],[151,263.9],[155.2,308.3],[159.4,350],[160.4,382.4],[165.1,395.4]],"negative_points":[[142.7,152.8],[189.6,458.3],[131.8,308.3],[182.3,356.5]],"evidence":"目标是左侧青色提示��字下方、指向网络问题的向下箭头。边界框紧贴箭杆和实心箭头；六个正点分布于箭杆及箭头，负点位于相邻文字和箭头外侧背景，不包含箭头内部。"}},{"name":"Nine decomposition equation","description":"The top row of the later explanation: a framed white 9 equals a framed yellow loop plus a framed red descending stroke.","membership":"Include the three square panels with their borders, interiors, and contents, together with the equals and plus signs. The separately listed input panel and feature panels remain included in this equation. Exclude the equations below.","id":"obj_008","temporal":{"status":"found","start_s":20.5,"end_s":20.75,"reference_s":20.5,"evidence":"目标是后段最上排的分解等式：带框白色9＝带框黄色环＋带框红色下垂笔画，包含三个面板及两个运算符。首个及最后一个合格采样帧均为20.50秒，此时整组完整清晰；前一帧20.25秒仍是神经网络示意图，后一帧20.75秒白色9面板及运算符已开始淡出。选择20.50秒作为关键帧，目标无遮挡且各成员边界清楚。","start_frame":492,"end_frame":498,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[114.58,60.19,744.27,338.89],"positive_points":[[196.35,198.15],[427.08,176.85],[670.31,235.19],[310.94,187.96],[547.4,199.07],[135.42,101.85]],"negative_points":[[201.04,487.04],[426.04,478.7],[654.17,564.81],[833.33,203.7]],"evidence":"目标是最上排的分解等式：白色9＝黄色环＋红色下行笔画。边界框覆盖三个方形面板的边框、内部和内容，以及中间的等号与加号。正点分布在三个面板及两个运算符上，其中一点位于左面板内部；负点位于下方等式和右侧外部背景，排除其他行。"}},{"name":"Yellow upper-loop feature panel","description":"The cyan-bordered panel in the middle of the nine equation containing a yellow slanted loop. It remains visible after the equations fade and moves into the later feature arrangement.","membership":"Include this panel’s cyan boundary, black interior, and yellow loop. Exclude operators and the similar loop panel in the eight equation.","id":"obj_009","temporal":{"status":"found","start_s":20.5,"end_s":22.0,"reference_s":21.5,"evidence":"目标是九的分解等式中间、内含黄色斜环的青色边框黑底面板，不是八等式中的相似面板。20.5秒首次完整出现；此前20.25秒仍是神经网络场景，没有该面板。其他等式元素淡出后，该面板保持完整，并移动缩放进入后续排列，最后21.75秒仍符合条件，故区间延至视频末尾22.0秒，之后无采样帧。选择21.5秒作为关键帧，此时边框及黄色环清晰，其他相似环面板已消失，便于区分。","start_frame":492,"end_frame":528,"reference_frame":516},"grounding":{"status":"found","bbox_xyxy":[358.85,61.11,511.98,333.33],"positive_points":[[359.9,111.1],[510.4,287.0],[415.1,208.3],[455.2,163.9],[383.3,96.3],[479.2,277.8]],"negative_points":[[325.5,192.6],[544.3,314.8],[670.3,200.0],[651.0,541.7]],"evidence":"目标是图像左上方包含黄色倾斜环的青色边框面板。框紧贴面板外缘，涵盖青色边界、黑色内部和黄色环；正点分布在这三部分，负点位于面板外背景及右侧红色竖线、绿色环等其他对象上。"}},{"name":"Red descending-stroke feature panel","description":"The cyan-bordered panel at the right of the nine equation containing a long red stroke that bends right at its lower end. It persists into the rearranged feature display.","membership":"Include the panel boundary, black interior, and red stroke. Exclude the plus sign and the separate red-stroke panel in the four equation.","id":"obj_010","temporal":{"status":"found","start_s":20.5,"end_s":22.0,"reference_s":20.5,"evidence":"目标是九的分解等式右侧的青色边框面板，黑色内部有末端向右弯曲的红色长笔画，不包含加号及四的等式中的另一红色面板。20.50秒首次完整出现；此前20.25秒仍是神经网络画面，没有该面板。至最后采样帧21.75秒，它在重排、缩小过程中仍完整可见，因此区间延伸至视频结尾22.00秒，之后无采样帧。选择20.50秒作为关键帧，面板较大且等式关系清楚，易于区分两个红色笔画面板。","start_frame":492,"end_frame":528,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[587.5,60.19,744.27,338.89],"positive_points":[[588.5,120],[670,62],[629,134],[707,267],[670,205],[679,306]],"negative_points":[[547.4,199],[651,532],[435,833],[776,222]],"evidence":"目标是第一行数字九等式右侧的青色边框面板，内有底端向右弯曲的红色长竖笔画。框覆盖完整边界、黑色内部和红色笔画；正点分布于这些组成部分，负点位于左侧加号、下方绿色特征面板、数字四等式的独立红色面板及右侧外部背景。"}},{"name":"Eight decomposition equation","description":"The middle row shows a framed white handwritten 8 equal to a yellow upper loop plus a green lower loop, each in its own cyan-bordered square.","membership":"Include all three panels, their boundaries and contents, and the equals and plus signs. The separately listed green-loop panel also belongs to this equation. Exclude the rows above and below.","id":"obj_011","temporal":{"status":"found","start_s":20.5,"end_s":20.75,"reference_s":20.5,"evidence":"目标为中间一行的“8＝黄色上环＋绿色下环”，包括三个青色边框面板、内容及等号和加号。20.50秒是首个也是最后一个完整符合条件的采样帧；前一帧20.25秒仍为神经网络示意图，尚无该等式，后一帧20.75秒中白色8、黄色环及运算符等已开始淡出。选择20.50秒作为关键帧，因为整组等式完整清晰且无遮挡。","start_frame":492,"end_frame":498,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[114.58,366.67,744.27,645.37],"positive_points":[[184,466],[431,451],[654,528],[310,494],[548,506],[704,430]],"negative_points":[[193,207],[665,219],[430,810],[790,505]],"evidence":"目标是中间一行的“8＝黄色上环＋绿色下环”分解式。边界框紧贴该行三个青色方框的整体外缘，包含面板表面、边框、内容及等号和加号。正点分布在白色8、黄色环、绿色环、两个运算符和右侧面板表面；负点位于上、下两行及该行右侧外部背景，均不属于目标。"}},{"name":"Green lower-loop feature panel","description":"The right-hand panel of the eight equation contains a small green tilted loop low in its black interior. It remains and moves below the red-stroke panel in the later arrangement.","membership":"Include its cyan square boundary, enclosed black surface, and green loop. Exclude neighboring panels and equation operators.","id":"obj_012","temporal":{"status":"found","start_s":20.5,"end_s":22.0,"reference_s":20.5,"evidence":"目标是数字8分解等式右侧的青色方框面板，黑色内部下方有绿色倾斜小环；随后保留并移动到红色笔画面板下方。首个合格帧为20.50秒，前一帧20.25秒仍为神经网络画面，没有该面板。最后合格帧为21.75秒，移动、缩放中的面板仍完整可见，区间延续至视频结束22.00秒，之后无采样帧。选择20.50秒为关键帧，因为边界与绿色环清晰且与相邻面板分离。","start_frame":492,"end_frame":528,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[587.5,366.67,744.27,645.37],"positive_points":[[588.54,425.93],[619.79,409.26],[721.35,416.67],[718.75,611.11],[660.42,527.78],[640.1,586.11]],"negative_points":[[546.88,505.56],[429.69,478.7],[670.83,212.96],[645.83,793.52]],"evidence":"目标是第二行“8”分解式最右侧、位于红色竖笔画面板下方的绿色下环面板。边界框紧贴其青色方框，包含全部黑色内表面和绿色倾斜小环。正点分布在边框、内部黑色表面及绿色环上；负点位于左侧加号及相邻的黄色环、红色笔画和下方蓝色笔画面板中。"}},{"name":"Four decomposition equation","description":"The bottom row shows a framed white handwritten 4 equal to three framed features: a long red descending stroke, a short cyan upright stroke, and a pink horizontal stroke.","membership":"Include the four square panels with their boundaries and contents, the equals sign, and both plus signs. The separately listed cyan- and pink-stroke panels remain part of this equation. Exclude the equation rows above.","id":"obj_013","temporal":{"status":"found","start_s":20.5,"end_s":20.75,"reference_s":20.5,"evidence":"目标是底行的“4＝红色长笔画＋青色短竖笔画＋粉色横笔画”，包括四个方框及等号、两个加号，不含上方两行。20.50秒首次完整呈现，也是最后一个符合条件的采样帧；此前20.25秒仍是神经网络示意图，尚无该等式。20.75秒开始，底行的4、部分面板和运算符已变暗淡出，因此排除。选择20.50秒作为关键帧，整组边界与内容清晰完整。","start_frame":492,"end_frame":498,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[114.58,673.15,980.73,951.85],"positive_points":[[204.69,823.15],[311.98,800.93],[434.9,841.67],[645.83,798.15],[783.85,812.96],[902.6,820.37]],"negative_points":[[192.7,500],[427.1,481.5],[661.5,546.3],[546.9,981.5]],"evidence":"目标是最下方的“4”分解等式。边界框覆盖四个方形面板及其边框和内容、等号与两个加号。正点分布在白色4、等号、红色长笔画、青色短笔画、右侧加号及粉色横笔画上；负点位于上方排除的等式行和底部外部背景。"}},{"name":"Cyan upright-stroke feature panel","description":"The third panel in the four equation contains a short cyan vertical stroke. It persists as an independent panel and moves into the lower portion of the final feature arrangement.","membership":"Include the cyan panel border, black interior, and short cyan stroke. Exclude neighboring operators and panels.","id":"obj_014","temporal":{"status":"found","start_s":20.5,"end_s":22.0,"reference_s":21.5,"evidence":"目标是“4”分解等式中含短青色竖笔画的面板，包括青色边框和黑色内部，不含相邻加号。20.50秒首次完整出现；此前20.25秒仍是神经网络画面，没有该面板。面板随后独立保留并移向最终布局下部，至最后采样帧21.75秒仍完整可见，因此区间延续至视频结束22.00秒，之后无采样帧。选择21.50秒作为关键帧，此时面板清晰、无遮挡且易与邻近面板区分。","start_frame":492,"end_frame":528,"reference_frame":516},"grounding":{"status":"found","bbox_xyxy":[588.54,661.11,741.67,933.33],"positive_points":[[589.58,705.56],[614.58,708.33],[645.83,782.41],[713.54,731.48],[619.79,888.89],[713.54,890.74]],"negative_points":[[648.96,548.15],[897.92,807.41],[546.88,787.04],[677.08,964.81]],"evidence":"目标是画面下部偏右、包含短青色竖笔画的独立方形面板。边界框紧贴青色面板外框，包含黑色内部及竖笔画；正点分布在边框、内部表面和笔画上，负点位于绿色环面板、粉色横线面板及目标外侧背景。"}},{"name":"Pink horizontal-stroke feature panel","description":"The far-right panel in the four equation contains a short pink horizontal stroke. It remains visible and moves leftward and upward during the final rearrangement.","membership":"Include the square cyan boundary, black interior, and pink stroke. Exclude the preceding plus sign and all adjacent feature panels.","id":"obj_015","temporal":{"status":"found","start_s":20.5,"end_s":22.0,"reference_s":20.5,"evidence":"目标是“四”的分解等式最右侧、内含短粉色横线的青色方框，包含黑色内部，不含左侧加号。20.5秒首次完整出现；此前20.25秒仍是神经网络画面，没有该面板。此后面板保持完整，并在末尾重排时向左上方移动，最后合格帧为21.75秒。区间延续至视频结束22.0秒，无后续帧。选择20.5秒作为关键帧，因为边界和粉色横线清晰，且易与相邻面板区分。","start_frame":492,"end_frame":528,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[823.96,673.15,980.73,951.85],"positive_points":[[825,720],[900,675],[852,735],[953,906],[891,897],[904,822]],"negative_points":[[784,811],[666,815],[906,629],[991,819]],"evidence":"目标是最下方数字4分解式最右侧、含粉色短横线的方形面板。边界框紧贴青色外框，包含黑色内部和粉色笔画。正点分布于边框、内部及粉色横线；负点位于前方加号、左邻面板及目标外部背景。"}}]}
+{"video_id":25,"video_type":"desktop and application interfaces","targets":[{"name":"Course introduction text","description":"The introductory reading on the Explanation page, beginning “Welcome to your 'How to Use Connecteam - for employees' course”. It explains the template, the features covered, and customization, and ends with “Good luck”.","membership":"Includes the heading, explanatory paragraphs, and closing text as one document reading block. Excludes the page surface, top navigation bar, and bottom controls.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":2,"evidence":"目标是 Explanation 页中从欢迎标题、模板说明、功能与自定义段落到“Good luck”的完整阅读文本块，不含导航和底部控件。首个合格帧为0.00秒，文本已完整显示；末个合格帧为4.75秒。5.00秒页面切换，原文本向左移出并被裁切，不再完整。区间从视频起点开始，无更早帧。选择2.00秒作为关键帧，文字清晰完整且无灰色强调遮罩。","start_frame":0,"end_frame":120,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[374.5,82.4,615.6,481.5],"positive_points":[[525.5,90.7],[376.6,189.8],[574.5,231.5],[462.5,310.2],[446.4,374.1],[504.7,474.1]],"negative_points":[[497.9,30.6],[588.5,944.4],[338.5,314.8],[500,648.1]],"evidence":"根据以“Welcome to your”开头、以“Good luck”结尾的课程介绍确定目标。边界框覆盖标题、说明段落和结束语；六个正点分布在这些文字的字形上。负点位于顶部导航标题、底部完成按钮、左侧外部背景及正文下方空白页面，均不属于阅读文本块。"}},{"name":"Reading acknowledgement button","description":"The wide blue button at the bottom of the Explanation page, initially labeled “I've read and understand”, which changes to a white check mark after acknowledgement.","membership":"Includes the rounded blue button surface and its label or check mark. Excludes the surrounding white glow and page background.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0,"evidence":"目标是 Explanation 页面底部的宽蓝色圆角确认按钮，0秒显示“I've read and understand”，随后文字变为白色勾号，仍为同一按钮，不包含外围白色光晕。首个合格帧为0秒，最后合格帧为0.75秒；1秒时已被 Back、1 of 1 和 Done 导航栏替换。区间起于视频开头，无更早采样帧。选择0秒为关键帧，因为按钮轮廓和原始标签清楚可辨。","start_frame":0,"end_frame":24,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[374.5,922.2,622.9,967.6],"positive_points":[[389.6,941.7],[428.1,954.6],[468.8,941.7],[516.7,947.2],[563.5,936.1],[608.9,949.1]],"negative_points":[[490.6,878.7],[368.2,944.4],[500,982.4],[651,945.4]],"evidence":"目标是 Explanation 页面底部标有“I've read and understand”的蓝色圆角按钮。边界框紧贴蓝色按钮表面，包含文字但不包含外围白色光晕。六个正点分布在按钮内部各处；负点位于按钮上方页面、左侧及下方光晕和右侧外部背景。"}},{"name":"Done button","description":"The green rounded “Done” control at the lower right of the Explanation page, appearing after the reading acknowledgement.","membership":"Includes the green button surface, “Done” label, and right chevron. Excludes the adjacent page count, Back control, and emphasis glow.","id":"obj_003","temporal":{"status":"found","start_s":1.0,"end_s":4.75,"reference_s":2.0,"evidence":"目标是 Explanation 页面右下角的绿色圆角 Done 按钮，包含文字及右箭头，不含外围强调光晕。首个完整呈现帧为 1.00 秒，最后合格帧为 4.50 秒；此前 0.75 秒仍是蓝色阅读确认条，之后 4.75 秒按钮已淡化且文字、箭头消失。选择 2.00 秒作为关键帧，按钮清晰完整，无光晕干扰或遮挡。","start_frame":24,"end_frame":114,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[561,916,619,973],"positive_points":[[567.7,938.9],[581.8,925.9],[583.3,944.4],[606.8,944.4],[600.5,963],[570.8,957.4]],"negative_points":[[499,945.4],[411.5,945.4],[591.1,888.9],[627.1,944.4]],"evidence":"目标是 Explanation 页面右下角的绿色圆角 Done 按钮。边界框紧贴按钮表面，包含 Done 标签和右箭头，不含外围光晕。正点分布在绿色表面、文字和箭头处；负点位于相邻页码、Back 控件以及按钮上方和右侧的外部背景。"}},{"name":"Course outline, first appearance","description":"The course contents visible behind the completion message and then unobstructed before the video lesson opens. It contains “What is this course?”, the expanded “Getting Started” lessons, “App Navigation”, and “Courses”.","membership":"Includes the course-section headings, numbered progress markers and connecting line, expand controls, lesson cards with their icons and text, and prerequisite notice. Excludes the app header, search field, and overlaid completion message.","id":"obj_004","temporal":{"status":"found","start_s":5.25,"end_s":6.5,"reference_s":6.25,"evidence":"目标是完成提示后方的课程目录，包含章节标题、进度线、课程卡片及先修提示，不含页头、搜索框和完成弹窗。首个合格帧为5.25秒，目录已完整进入页面，下部暂被弹窗遮挡；此前5.00秒仍处于横向入场，右侧被裁切。最后合格帧为6.25秒，目录无遮挡；6.50秒目录开始滑出并被视频课页面遮去。选择6.25秒作为关键帧，各指定组成部分最清晰。","start_frame":126,"end_frame":156,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[374.5,151.9,623.5,1000],"positive_points":[[458.3,166.7],[515.6,308.3],[463.5,575.9],[443.8,660.2],[382.5,726],[525,979.6]],"negative_points":[[494,30],[478,95],[345,475],[652,780]],"evidence":"根据“What is this course?”、展开的“Getting Started”、 “App Navigation”和“Courses”识别课程目录。框覆盖章节标题、编号及连接线、展开控件、课程卡片和前置条件提示，底部止于画面裁切处。正点分布在标题、课程卡片及进度编号上；负点位于排除的顶部导航、搜索栏和两侧外部背景。"}},{"name":"Section completion message","description":"The rounded white lower-sheet message with a green check badge, “Nice”, and “You've successfully completed What is this course?”. It offers “Start next” and “Close”.","membership":"Includes the sheet surface, rounded boundary, success graphic, message, and both controls. Excludes the dimmed course outline behind it and added emphasis effects.","id":"obj_005","temporal":{"status":"found","start_s":5.0,"end_s":6.25,"reference_s":5.0,"evidence":"目标是底部圆角白色完成提示面板，包含绿色勾选徽章、“Nice”、课程完成文案及“Start next”和“Close”控件。5.00秒首次完整显示，6.00秒为最后一个符合条件的帧；此前4.75秒仍是说明页面，此后6.25秒提示面板已消失，仅显示课程目录。选择5.00秒作为关键帧，因为面板完整清晰，且没有后续针对按钮的额外强调效果。","start_frame":120,"end_frame":150,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[365.6,590.7,633.3,1000],"positive_points":[[391.1,629.6],[606.8,660.2],[499,699.1],[499.5,824.1],[498.4,891.7],[586.5,954.6]],"negative_points":[[496.9,504.6],[493.8,323.1],[333.3,787],[671.9,824.1]],"evidence":"目标是底部带绿色勾选徽章、“Nice”���完成提示及“Start next”“Close”控件的白色圆角面板。框覆盖整个可见面板及其内部内容；正点分布在面板表面、徽章、提示文字和按钮上，负点位于上方变暗的课程列表及面板两侧外部背景。"}},{"name":"Start next button","description":"The blue rounded “Start next” button inside the section completion message, used to continue into Getting Started.","membership":"Includes the blue button surface, white label, and right chevron. Excludes the surrounding glow, touch indicator, and adjacent Close text.","id":"obj_006","temporal":{"status":"found","start_s":5.0,"end_s":6.25,"reference_s":5.0,"evidence":"目标是章节完成提示内的蓝色圆角“Start next”按钮，包含白色文字和右箭头，不含外侧光晕及下方 Close。首个合格帧为 5.00 秒，最后为 6.00 秒；6.00 秒的触摸指示仅短暂遮挡按钮。此前 4.75 秒仍为 Explanation 页面及 Done 按钮，此后 6.25 秒完成提示和目标按钮均已消失。选择 5.00 秒作为关键帧，按钮结构完整、文字清晰且无遮挡。","start_frame":120,"end_frame":150,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[457.3,868.5,540.1,913.9],"positive_points":[[465.1,888.9],[479.2,891.7],[499.0,881.5],[512.5,900.0],[527.6,890.7],[533.9,884.3]],"negative_points":[[498.4,935.2],[442.7,887.0],[555.2,888.9],[498.4,840.7]],"evidence":"目标是完成提示面板底部的蓝色圆角“Start next”按钮。边界框紧贴按钮本体，包含蓝色表面、白色文字和右侧箭头，不含外围光晕。六个正点分布在按钮表面、标签及箭头处；负点位于两侧白色面板、下方Close文字及上方课程名称处。"}},{"name":"Login video lesson title","description":"The white title “Watch how to log in to the app and dashboard” across the black header above the embedded video.","membership":"Includes only the title lettering. Excludes the black header surface and back arrow.","id":"obj_007","temporal":{"status":"found","start_s":6.75,"end_s":10.75,"reference_s":7.0,"evidence":"目标是嵌入视频上方黑色标题栏中的白色文字“Watch how to log in to the app and dashboard”，不包含返回箭头。首个完整呈现帧为6.75秒，最后合格帧为10.50秒；此前6.50秒标题随页面进入，右端仍被裁切，此后10.75秒页面切换使标题被裁切。选择7.00秒作为关键帧，文字完整清晰且无遮挡。","start_frame":162,"end_frame":258,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[405.7,23.1,592,40.7],"positive_points":[[406.8,27.8],[437.5,28.7],[471.4,33.3],[508.9,31.5],[542.2,31.5],[587.5,32.4]],"negative_points":[[384.4,30.6],[488.5,53.7],[615.1,31.5],[503.1,85.2]],"evidence":"目标是视频上方黑色页眉中的白色标题“Watch how to log in to the app and dashboard”。边界框紧贴整行标题文字，正点分布在标题不同位置的字形上；负点位于左侧返回箭头、标题下方及右侧黑色背景和视频背景，均不包含在目标中。"}},{"name":"Login tutorial video preview","description":"The large blue video preview showing a white Android phone with mountain wallpaper, a Connecteam icon, and a red YouTube play control over the phone screen.","membership":"Includes the complete rectangular preview image, its blue graphic background, illustrated phone and screen contents, and embedded play control. Excludes the lesson header, caption below, and course navigation controls.","id":"obj_008","temporal":{"status":"found","start_s":6.75,"end_s":10.75,"reference_s":7.0,"evidence":"目标是蓝色矩形视频预览，包含白色安卓手机、山景壁纸、Connecteam 图标及红色 YouTube 播放按钮，不含上下方标题和导航。首个完整帧为 6.75 秒，最后完整帧为 10.50 秒；6.50 秒仍在滑入，右侧被裁切，10.75 秒被滑入的新页面遮去大部分，开始退出。9.50 秒后的变暗未改变预览的完整结构。选择 7.00 秒作为关键帧，预览清晰、完整且无遮挡。","start_frame":162,"end_frame":258,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[365.6,61.1,633.3,834.3],"positive_points":[[390.6,203.7],[612.5,666.7],[513.5,139.8],[516.1,343.5],[498.4,486.1],[514.6,678.7]],"negative_points":[[490.6,30.6],[494.8,871.3],[589.6,944.4],[677.1,435.2]],"evidence":"目标是中央蓝色矩形视频预览，内有白色安卓手机、山景壁纸及红色播放按钮。边界框覆盖完整预览图，不含上方课程标题、下方说明和导航栏。正点分布在蓝色背景、手机及播放控件上；负点位于标题、说明、导航控件和预览外背景。"}},{"name":"Login video caption","description":"The centered white caption beneath the preview: “Connecteam | Users Manual | How to log-in to the app and the dashboard - YouTube”.","membership":"Includes the caption text across its wrapped lines. Excludes its black backing area, the preview above, and navigation below.","id":"obj_009","temporal":{"status":"found","start_s":6.75,"end_s":10.75,"reference_s":7.0,"evidence":"目标为登录视频预览下方居中的两行白色标题“Connecteam | Users Manual | How to log-in to the app and the dashboard - YouTube”，不含黑色背景及导航。6.75秒首次完整显示，10.50秒为最后完整显示帧；此前6.50秒标题随页面进入，右侧仍被裁切，此后10.75秒新页面滑入，标题被遮挡。选择7.00秒作为关键帧，文字完整清晰且无遮挡。","start_frame":162,"end_frame":258,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[375.5,854.6,622.4,890.7],"positive_points":[[376.6,861.1],[462,862],[503,862],[616.1,863.9],[464.6,883.3],[535.4,883.3]],"negative_points":[[496.9,843.5],[416.7,888.9],[497.9,943.5],[520.8,805.6]],"evidence":"目标是视频预览下方居中的白色双行说明文字。边界框紧贴两行完整字幕；六个正点分布在两行的文字笔画上，四个负点位于字幕外的黑色背景、上方预览及下方导航区域。"}},{"name":"Next lesson button","description":"The blue rounded “Next” control at the lower right of the video lesson. It remains visible as the interface begins opening “How to log in - Mobile”.","membership":"Includes the blue button surface, white “Next” label, and right chevron throughout its movement. Excludes the navigation strip, page count, Back control, and interaction or emphasis effects.","id":"obj_010","temporal":{"status":"found","start_s":6.75,"end_s":10.75,"reference_s":7.0,"evidence":"目标是视频课页面右下角的蓝色圆角“Next”按钮，包含白色文字和右箭头，不包含底部导航条。首个完整呈现帧为6.75秒，最后合格帧为10.50秒；此前6.50秒按钮仍在右侧边界外、未完整进入，之后10.75秒打开“How to log in - Mobile”时按钮被右侧边界裁切。选择7.00秒作为关键帧，按钮完整清晰且无遮挡。","start_frame":162,"end_frame":258,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[563.5,915.7,619.3,974.1],"positive_points":[[571.2,935.2],[578.1,952.8],[590.1,927.8],[593.8,961.1],[607.3,945.4],[610.4,955.6]],"negative_points":[[500,945.4],[411.5,945.4],[546.9,946.3],[591.7,892.6]],"evidence":"目标是视频课程右下角的蓝色圆角“Next”按钮。框紧贴蓝色按钮，包含白色文字和右箭头，不含外围导航条或强调边线。六个正点分布于按钮表面、文字及箭头区域；四个负点位于页码、Back 控件、按钮左侧导航条及上方黑色背景。"}},{"name":"Course outline, return appearance","description":"The course contents shown again after leaving the lesson view. “Getting Started” is expanded, and “Watch how to log in to the app and dashboard” now has a blue completion check; “How to log in - Mobile”, “Feedback”, and “Test yourself” follow it.","membership":"Includes the visible section headings, numbered progress markers and connecting line, expand controls, lesson cards and their icons and text, completion check, and prerequisite notice. Excludes the app header and search field.","id":"obj_011","temporal":{"status":"found","start_s":11.0,"end_s":13.0,"reference_s":11.25,"evidence":"11.00秒首次完整显示返回后的课程目录：“Getting Started”展开，首项“Watch how to log in to the app and dashboard”带蓝色完成勾，下方依次为“How to log in - Mobile”、“Feedback”和“Test yourself”，并可见其他章节、进度线及先修提示。前一帧10.75秒仍是切换中的课程页面，不符合目标。最后合格帧为12.75秒，目录持续至视频结束13.00秒，之后无采样帧。选择11.25秒作为关键帧，目录清晰完整且无遮挡；目标不含顶部标题栏和搜索框。","start_frame":264,"end_frame":312,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[374,152,623,1000],"positive_points":[[457,167],[399,306],[489,395],[458,576],[604,659],[506,977]],"negative_points":[[498,30],[480,96],[330,490],[660,795]],"evidence":"已找到返回后的课程目录：“Getting Started”展开，首课左侧显示蓝色完成勾选，后续为登录、反馈和自测。框覆盖全部可见目录，包括章节标题、进度标记与连线、展开控件、课程卡片及先修提示，底部延伸至画面边缘。正点分布在标题、完成勾选、课程卡片和先修提示上；负点位于排除的顶部标题栏、搜索框及手机外背景。"}}]}
+{"video_id":26,"video_type":"desktop and application interfaces","targets":[{"name":"Embedded content heading","description":"Bold page title reading \"Embedded content\" above the content-management panel at the beginning.","membership":"Includes only the title text; excludes the breadcrumb beneath it, background, and adjacent action buttons.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0.25,"evidence":"目标是内容管理面板上方的粗体标题“Embedded content”，不含下方 breadcrumb 或右侧按钮。首个合格帧为0.00秒，最后为1.50秒，标题均完整可见；紧接的1.75秒帧已���换为“SCORM content”。区间始于视频开头，无更早采样帧。选择0.25秒作为关键帧，标题清晰完整且无遮挡。","start_frame":0,"end_frame":42,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[178.65,108.33,314.58,130.56],"positive_points":[[180.73,112.96],[192.19,118.52],[204.17,112.04],[248.96,112.04],[273.44,126.85],[311.46,122.22]],"negative_points":[[229.17,155.56],[348.96,120.37],[388.02,255.56],[244.79,87.96]],"evidence":"目标是内容管理面板上方的粗体标题“Embedded content”。边框仅覆盖标题文字；六个正点分布在标题两词的字形上，负点位于下方 breadcrumb、面板标签及标题外的空白处，排除这些非目标区域。"}},{"name":"Content-management panel","description":"Large white panel containing content-type tabs, search and filter controls, export buttons, and a resource table. Its contents change from embedded videos to SCORM packages, Web Content, and IFrame Content; later it is enlarged and partially cropped.","membership":"Includes the panel surface, boundary, tabs, controls, table headers and rows, loading indicator, pagination, and quota strip wherever visible. Excludes the page heading, breadcrumb, action buttons above the panel, and left navigation. Separately identified tabs remain part of this panel.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":9,"reference_s":4.75,"evidence":"目标是页面中央含内容类型标签、搜索筛选、导出按钮和资源表格的大型白色面板，不含上方标题、操作按钮及左侧导航。首个合格帧为0秒，面板边界与布局已建立；加载状态及内容类型切换不改变其身份。最后合格帧为8.75秒，面板仍在，后段放大裁切并非退出。区间覆盖视频首尾，两端均无外侧采样帧。选择4.75秒作为关键帧，面板整体清晰，表格、分页和配额栏均可见，便于标注。","start_frame":0,"end_frame":216,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[178.6,222.2,985.4,961.1],"positive_points":[[250,255.6],[416.7,330.6],[927.1,333.3],[286.5,568.5],[748.4,753.7],[479.2,911.1]],"negative_points":[[224,121],[812,127],[71,372],[580,192]],"evidence":"目标是页面中部至底部的大型白色内容管理面板。框覆盖内容类型标签、搜索筛选与导出控件、资源表格、分页和配额条。正点分布在标签、控件、表格及底部面板区域；负点位于框外的页面标题、创建按钮、左侧导航和上方背景。"}},{"name":"Embedded content tab","description":"Tab labeled \"Embedded content\" with a count of 58, initially selected above the resource table.","membership":"Includes the tab's icon, label, count badge, and selection underline within its tab area. Excludes neighboring tabs and the table below.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":6.75,"reference_s":0.25,"evidence":"通过资源表上方的“Embedded content”文字、左侧图标和“58”计数徽标识别目标，初始带紫色选中下划线。首个合格帧为0.00秒，最后为6.50秒；切换其他标签后，该标签仍完整可见，选中状态变化不改变其身份。6.75秒画面放大到侧栏与表格，目标已不在画面中。区间始于视频开头，无更早采样帧。选择0.25秒作为关键帧，标签及其选中下划线清晰完整，易与相邻标签区分。","start_frame":0,"end_frame":162,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[339.6,239.8,458.9,290.7],"positive_points":[[344.3,254.6],[356.8,255.6],[386.5,256.5],[419.3,255.6],[448.4,256.5],[396.4,288.9]],"negative_points":[[247.9,255.6],[525.5,255.6],[413.0,330.6],[395.8,207.4]],"evidence":"目标是资源表格上方已选中的“Embedded content”选项卡，计数为58。框覆盖上传样式图标、标签文字、计数徽章及底部紫色选中下划线；六个正点分布在这些组成部分上，负点位于左右相邻选项卡、下方筛选控件及上方背景。"}},{"name":"SCORM content tab","description":"Tab labeled \"SCORM content\" with a count of 6, selected as the table changes to packaged learning resources.","membership":"Includes the tab's icon, label, count badge, and selection underline within its tab area. Excludes neighboring tabs and the table below.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":6.75,"reference_s":2.5,"evidence":"目标是顶部标签栏中的“SCORM content”标签，带图标和数字6徽章；选中时其下方出现紫色下划线。首个合格帧为0.00秒，最后为6.50秒，期间标签持续完整可见，选中状态变化不改变其身份。6.75秒画面放大到左侧菜单和表格，目标已不在画面内；视频起点之前无采样帧。选择2.50秒作为关键帧，此时标签已选中，图标、文字、徽章和下划线清晰，且无明显遮挡。","start_frame":0,"end_frame":162,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[489.6,240.7,591.7,290.7],"positive_points":[[494.3,255.6],[511.5,254.6],[544.8,255.6],[583.1,255.6],[508.3,288.9],[575.5,288.9]],"negative_points":[[391.7,255.6],[652.1,255.6],[417.7,330.6],[542.7,419.4]],"evidence":"目标是带数字“6”的“SCORM content”选中标签。边界框紧贴其图标、文字、计数徽章及紫色选中下划线；正点分布在这些组成部分上，负点位于左右相邻标签、下方筛选控件和表格区域。"}},{"name":"Web Content tab","description":"Globe-marked tab labeled \"Web Content\" with a count of 4, selected to display HTML resources.","membership":"Includes the tab's icon, label, count badge, and selection underline within its tab area. Excludes neighboring tabs and the table below.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":6.75,"reference_s":4.5,"evidence":"通过地球图标、“Web Content”标签及数字4徽标识别该标签页；选中时其下方显示紫色下划线。首个合格帧为0.00秒，最后为6.50秒，期间标签页持续完整可见，选中状态变化不改变其身份。视频起点之前无采样帧；6.75秒画面放大至左侧菜单和列表，目标已不在画面内。选择4.50秒作为关键帧，因为目标完整清晰且带有选中下划线，易与相邻标签区分。","start_frame":0,"end_frame":162,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[621.9,239.8,713.5,290.7],"positive_points":[[627.1,253.7],[636.5,254.6],[660.4,255.6],[682.3,255.6],[705.2,255.6],[666.7,288.9]],"negative_points":[[531.3,254.6],[786.5,254.6],[651.0,419.4],[416.7,331.5]],"evidence":"目标是顶部标签栏中带地球图标、文字“Web Content”和数字4的选中标签。边界框紧包图标、文字、计数徽标及下方紫色选中线；六个正点分布在这些组成部分上，负点位于相邻SCORM、IFrame标签及下方表格和筛选控件，均排除在目标之外。"}},{"name":"IFrame Content tab","description":"Code-marked tab labeled \"IFrame Content\" with a count of 5, selected to display linked resources.","membership":"Includes the tab's icon, label, count badge, and selection underline within its tab area. Excludes neighboring tabs and the table below.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":6.75,"reference_s":5.75,"evidence":"通过代码图标、“IFrame Content”标签及数字5徽标识别该标签页；选中后其下方显示紫色下划线。首个合格帧为0.00秒，最后为6.50秒，期间标签页结构持续完整，选中状态变化不改变其身份。视频起点之前无采样帧；6.75秒画面放大后，目标已不在可见区域。选择5.75秒作为关键帧，因为图标、文字、徽标和选中下划线均清晰且无遮挡。","start_frame":0,"end_frame":162,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[743.8,240.7,846.9,290.7],"positive_points":[[750,254.6],[764.6,255.6],[797.9,255.6],[838.5,256.5],[760,288.9],[835,288.9]],"negative_points":[[654,255.6],[705,256.5],[801,332.4],[738,422.2]],"evidence":"目标是上方带代码图标、文字“IFrame Content”和数字5的选中标签。框覆盖图标、完整标签文字、计数徽章及紫色下划线；正点分布于这些组成部分，负点位于左侧Web Content标签及计数、下方空白和表格区域，均不属于目标。"}},{"name":"Courses navigation menu","description":"Expandable \"Courses\" entry in the purple left navigation, below \"Contents\". It is later enlarged and opened to reveal \"Create a Course\", \"Manage Courses\", \"Categories\", \"Levels\", and \"Comments\".","membership":"Includes the Courses header row, its chevron, and the revealed submenu region and contents when expanded. Excludes Contents above it and Online Store and other navigation sections below it. Separately identified submenu entries remain inside this menu.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":9,"reference_s":8.5,"evidence":"目标是紫色左侧导航中位于 Contents 下方、Online Store 上方的 Courses 菜单，包含标题、箭头及展开后的子菜单。首个合格帧为 0.00 秒，菜单行已完整显示；6.75 秒起被放大，7.25 秒起展开显示 Create a Course、Manage Courses、Categories、Levels 和 Comments，持续至最后一帧 8.75 秒。整个过程为同一菜单的连续呈现，区间两端均到达视频边界，没有更早或更晚的采样帧。选择 8.50 秒作为关键帧，因为放大后的菜单及全部子项清晰完整，便于标注。","start_frame":0,"end_frame":216,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[0,225,323,690],"positive_points":[[95,264],[142,344],[142,417],[121,496],[108,573],[134,651]],"negative_points":[[96,188],[120,725],[160,801],[559,578]],"evidence":"目标是左侧紫色导航中已展开的 Courses 菜单。边界框覆盖 Courses 标题行、右侧向上箭头及下方五个子菜单的完整区域。六个正点分布在标题与各子菜单上；负点位于上方 Contents、下方 Online Store 和 Virtual Classroom，以及右侧内容列表，均不属于该菜单。"}},{"name":"SCORM content heading","description":"Bold page title reading \"SCORM content\", replacing the initial heading when the SCORM tab is opened.","membership":"Includes only the title text; excludes the breadcrumb, background, and adjacent action buttons.","id":"obj_008","temporal":{"status":"found","start_s":1.75,"end_s":4.0,"reference_s":2.5,"evidence":"目标是页面左上方的粗体标题“SCORM content”，不含下方 breadcrumb 或右侧按钮。首次完整出现于1.75秒，最后符合条件的帧为3.75秒；前一帧1.50秒仍为“Embedded content”，后一帧4.00秒已替换为“Web Content”。选择2.50秒为关键帧，标题清晰完整且无遮挡。","start_frame":42,"end_frame":96,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[178.6,109.3,292.2,131.5],"positive_points":[[182.3,113.0],[204.2,112.0],[225.5,116.7],[239.6,122.2],[271.9,124.1],[289.1,125.0]],"negative_points":[[231.8,155.6],[311.5,121.3],[532.8,254.6],[805.2,127.8]],"evidence":"目标是页面左上方加粗的“SCORM content”标题。边界框仅覆盖完整标题文字；六个正点分布在标题各部分的字形笔画上，负点位于下方 breadcrumb、右侧背景、SCORM 标签及右上方操作按钮，均不属于标题。"}},{"name":"Web Content heading","description":"Bold page title reading \"Web Content\", shown when the HTML resource list is opened.","membership":"Includes only the title text; excludes the breadcrumb, background, and adjacent action buttons.","id":"obj_009","temporal":{"status":"found","start_s":4.0,"end_s":5.0,"reference_s":4.5,"evidence":"目标是页面左上方加粗的“Web Content”标题，不含下方 breadcrumb 或右侧按钮。首次完整出现于4.00秒，最后符合条件的帧为4.75秒；前一帧3.75秒显示“SCORM content”，后一帧5.00秒已替换为“IFrame Content”。选择4.50秒作为关键帧，标题清晰完整且无遮挡。","start_frame":96,"end_frame":120,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[178.6,108.3,273.4,130.6],"positive_points":[[181.8,113.0],[197.4,119.4],[207.8,124.1],[218.2,117.6],[239.6,114.8],[270.8,125.0]],"negative_points":[[191.7,155.6],[291.7,118.5],[807.3,126.9],[656.3,254.6]],"evidence":"目标是页面左上方粗体“Web Content”标题。边界框仅覆盖标题文字，不含下方导航路径或右侧按钮。六个正点分布在标题各部分的字形笔画上；负点位于下方导航路径、右侧空白、操作按钮及列表标签上。"}},{"name":"IFrame Content heading","description":"Bold page title reading \"IFrame Content\", shown above the linked-resource list before the view zooms into the left side.","membership":"Includes only the title text; excludes the breadcrumb, background, and adjacent action buttons.","id":"obj_010","temporal":{"status":"found","start_s":5.0,"end_s":6.75,"reference_s":5.75,"evidence":"目标是链接资源列表上方的粗体页标题“IFrame Content”，不含面包屑或标签栏。首次完整出现于5.00秒，最后符合条件的帧为6.50秒；前一帧4.75秒的标题仍为“Web Content”，后一帧6.75秒已放大至左侧区域，目标标题不再可见。选择5.75秒作为关键帧，标题清晰完整且无遮挡。","start_frame":120,"end_frame":162,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[178.6,108.3,290.1,131.5],"positive_points":[[180.7,120.4],[187.0,112.5],[206.3,126.0],[236.5,120.0],[260.9,119.4],[286.5,123.1]],"negative_points":[[234.4,154.6],[312.5,120.4],[166.7,120.4],[234.4,83.3]],"evidence":"目标是主内容区左上方的粗体标题“IFrame Content”。边界框仅覆盖完整标题文字；六个正点分布在标题各部分的字形笔画上，负点位于下方 breadcrumb 导航及标题周围的外部背景，排除导航、背景和操作按钮。"}},{"name":"Create a Course submenu entry","description":"First entry in the expanded Courses menu, reading \"Create a Course\"; briefly pointed to in the enlarged navigation view.","membership":"Includes the complete submenu entry's leading dash, label, and associated menu-item area. Excludes the Courses header, neighboring entries, and cursor.","id":"obj_011","temporal":{"status":"found","start_s":7.25,"end_s":9.0,"reference_s":8.25,"evidence":"目标为展开的 Courses 菜单中第一项，包含前导短横线和“Create a Course”标签及菜单项区域。7.00 秒菜单仍折叠，7.25 秒该项首次完整显示，持续至最后采样帧 8.75 秒；区间延伸到视频结尾 9.00 秒，之后无采样帧。选择 8.25 秒作为关键帧，此时目标清晰完整，光标位于下方其他菜单项，不遮挡目标。","start_frame":174,"end_frame":216,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[58.3,304,322.4,381.5],"positive_points":[[73.9,339.8],[89.4,343.2],[127.9,344.5],[165.8,341.9],[205.4,346.5],[267.2,359.3]],"negative_points":[[101.1,265.8],[142.8,418.9],[120.4,496.5],[367.2,345.4]],"evidence":"目标是左侧展开的 Courses 菜单下第一项“– Create a Course”。框覆盖该项的前导短横线、完整标签及对应菜单行区域。正点分布在短横线、文字和行内表面；负点位于 Courses 标题、下方其他菜单项及侧栏外背景，避开光标。"}},{"name":"Manage Courses submenu entry","description":"Second entry in the expanded Courses menu, reading \"Manage Courses\"; the pointer rests over it near the end.","membership":"Includes the complete submenu entry's leading dash, label, and associated menu-item area. Excludes neighboring entries and the cursor.","id":"obj_012","temporal":{"status":"found","start_s":7.25,"end_s":9.0,"reference_s":7.25,"evidence":"目标是展开的 Courses 菜单中第二项“– Manage Courses”，包含前导短横线、标签及菜单项区域，不含光标。首个合格帧为 7.25 秒，末个为 8.75 秒；此前紧邻的 7.00 秒帧中 Courses 尚未展开，目标不可见。目标持续到视频结束，结束边界后无采样帧。选择 7.25 秒为关键帧，菜单项完整清晰，光标未遮挡该标签。","start_frame":174,"end_frame":216,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[58,380,322,457],"positive_points":[[74,417],[93,415],[137,423],[163,416],[206,419],[257,430]],"negative_points":[[145,342],[120,496],[252,283],[370,422]],"evidence":"目标是左侧展开的 Courses 菜单中第二项“Manage Courses”。框覆盖前导短横线、完整标签及对应菜单行区域，不含相邻条目和光标。正点分布在短横线、文字及菜单行表面；负点位于上下相邻条目、实际位于 Courses 附近的光标和右侧外部区域。"}}]}
+{"video_id":27,"video_type":"desktop and application interfaces","targets":[{"name":"Add Item to Introduction dialog","description":"Centered white modal titled \"Add Item to Introduction\", containing an item-type selector, a resource list, and Cancel and Add Item buttons. The resource list changes to discussion topics.","membership":"Include the complete rounded dialog surface, border, header, close control, fields, resource list, and footer buttons. Exclude the dimmed page outside it and the cursor.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":3,"reference_s":0.75,"evidence":"目标是居中的白色圆角“Add Item to Introduction”模态框，包含标题、关闭控件、类型选择器、资源列表及底部按钮。首个合格帧为0.00秒，已完整显示；末个合格帧为2.75秒。区间起点即视频开头，无更早帧；紧邻的3.00秒帧中对话框已消失，仅显示模块页面。选择0.75秒作为关键帧，此时下拉菜单已收起，讨论主题列表及对话框整体结构清晰可辨。","start_frame":0,"end_frame":72,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[247.4,154.6,817.2,831.5],"positive_points":[[379.7,207.4],[442.7,341.7],[363.5,516.7],[687.5,620.4],[672.9,784.3],[758.9,782.4]],"negative_points":[[385.9,412.0],[562.5,111.1],[208.3,509.3],[859.4,601.9]],"evidence":"通过标题“Add Item to Introduction”和讨论主题列表识别出居中的白色模态对话框。边界框覆盖完整圆角面板、标题栏、关闭控件、选择器、资源列表和底部按钮。正点分布于标题、选择器、列表及两个底部按钮；负点位于被排除的手形光标和面板外的变暗页面。"}},{"name":"Item-type selector and menu","description":"The control beside \"Add\" in the dialog. Its expanded dark menu offers Assignment, Quiz, File, Page, Discussion, Text Header, External URL, and External Tool; it subsequently displays \"Discussion\".","membership":"Include the selector field, its value and arrow, and the attached options menu while open. Exclude the adjacent Add label and the resource list below.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":3,"reference_s":0,"evidence":"目标是弹窗中“Add”右侧的类型选择框，包含值、下拉箭头及展开时的深色选项菜单。首个合格帧为0.00秒，菜单已完整显示；0.50秒起菜单收起，选择框显示“Discussion”，仍属同一控件。最后合格帧为2.75秒，3.00秒弹窗及控件均已消失。区间到达视频开头，无更早采样帧。选择0.00秒作关键帧，可清楚标注选择框及附属菜单的整体范围。","start_frame":0,"end_frame":72,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[306.8,233.3,545,499.1],"positive_points":[[356,270],[342,325],[440,360],[413,460],[513,322],[523,343]],"negative_points":[[280,343],[589,436],[579,626],[416,205]],"evidence":"目标是对话框中 Add 右侧的类型选择框及其展开菜单，菜单包含 Assignment 至 External Tool。边界框覆盖选择字段、箭头和完整深色菜单。正点分布于菜单各部分及右侧字段、箭头；负点位于相邻 Add 标签、右侧对话框背景、下方资源列表和上方标题，均不属于目标。"}},{"name":"DISCUSS: COVID-19 Experiences selection","description":"The fourth discussion option in the dialog's resource list, selected before the Add Item button is activated.","membership":"Include this complete selectable list row, its text, and its row background as the selection state changes. Exclude the other discussion rows and the surrounding list border.","id":"obj_003","temporal":{"status":"found","start_s":0.5,"end_s":3.0,"reference_s":2.5,"evidence":"目标为“Add Item to Introduction”对话框资源列表第四行“DISCUSS: COVID-19 Experiences”，包括整行背景及文字，涵盖未选中到灰色选中的状态。首个完整帧为0.50秒，最后为2.75秒；前一帧0.25秒仍展开类型菜单，尚未显示该讨论行，后一帧3.00秒对话框已关闭。选择2.50秒作为关键帧，整行灰色选中背景清晰，鼠标位于Add Item按钮上，未遮挡目标。","start_frame":12,"end_frame":72,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[269.3,537.0,794.8,570.4],"positive_points":[[289,551],[384,558],[496,552],[575,560],[683,549],[775,558]],"negative_points":[[420,516],[400,591],[400,627],[255,554]],"evidence":"目标为资源列表第四行“DISCUSS: COVID-19 Experiences”，呈灰色选中状态。边界框紧贴整行文字及灰色行背景，不包含列表边框。六个正点分布在该行文字和左右背景上；负点位于上方及下方其他讨论行，以及列表左侧的外部区域。"}},{"name":"Add Item button","description":"Red confirmation button at the lower right of the Add Item to Introduction dialog, used after selecting the discussion.","membership":"Include the button surface, boundary, and \"Add Item\" label. Exclude the neighboring Cancel button and cursor.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":3,"reference_s":2,"evidence":"目标为“Add Item to Introduction”对话框右下角的红色“Add Item”确认按钮，与左侧 Cancel 按钮区分。首个合格帧为0.00秒，末个为2.75秒，按钮表面、边界和标签均完整；3.00秒对话框及按钮消失。区间始于视频开头，无更早采样帧。选择2.00秒作为关键帧，此时讨论已选中，按钮清晰且未被光标遮挡。","start_frame":0,"end_frame":72,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[715.6,750.9,809.9,815.7],"positive_points":[[724,764],[801,765],[731,801],[800,800],[750,782],[779,781]],"negative_points":[[672,781],[760,724],[831,783],[481,584]],"evidence":"目标是对话框右下角标有“Add Item”的红色确认按钮。边界框紧贴按钮可见外缘，涵盖按钮表面、边界及文字；六个正点分布在按钮各部位，负点位于左侧 Cancel 按钮、上方对话框空白、右侧外部背景及列表中的手形光标处。"}},{"name":"Introduction module","description":"Upper module card on the Nursing Modules page, headed \"Introduction: Syllabus, Course Resources and Course Information\". Its visible items are Welcome and Course Overview and Nursing Fundamentals Checklist.","membership":"Include the complete module card, header, item rows, boundaries, drag handles, publication indicators, and action controls. Exclude the page toolbar and the module below.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":8.5,"reference_s":3.25,"evidence":"目标是 Modules 页最上方的 Introduction 模块卡，包含指定标题及 Welcome and Course Overview、Nursing Fundamentals Checklist 两行。首帧 0.00 秒已存在，但大部分被添加项目弹窗遮挡，右侧边界和操作图标仍可见；3.00 秒弹窗消失后完整显露，确认是同一卡片。最后符合帧为 8.25 秒，紧邻的 8.50 秒已切换至 Discussions 页面，目标消失。起点为视频开头，无更早采样帧。选择 3.25 秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":0,"end_frame":204,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[248.96,263.89,984.38,505.56],"positive_points":[[337,306],[738,308],[934,310],[442,387],[291,465],[934,466]],"negative_points":[[813,157],[566,214],[481,531],[535,598]],"evidence":"根据标题“Introduction: Syllabus, Course Resources and Course Information”及其下方两个指定条目确定目标。边框紧贴整个上方模块卡片，包含标题栏、两行条目、边界、拖动柄、发布标记和操作控件。正点分布于标题栏、条目行及右侧控件；负点位于页面工具栏、卡片外空白及下方 Module 1 模块。"}},{"name":"Module 1 nursing content","description":"Lower module card headed \"Module 1: Essential Nursing Functions, Facilities, and Resident’s Rights\". It contains Essential Nursing Functions Overview, healthcare-facility lecture resources, and the discussion row that is reordered.","membership":"Include the module header and its content rows, surfaces, borders, drag handles, publication indicators, and action controls, limited to the visible portion. The separately listed healthcare discussion remains part of this module, including while being dragged. Exclude the Introduction module and course navigation.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":8.5,"reference_s":6,"evidence":"目标为下方“Module 1: Essential Nursing Functions, Facilities, and Resident’s Rights”模块卡，包含概览、讲义资源及被拖动重排的讨论行。首个合格帧为0秒：卡片已建立，虽被添加项目弹窗部分遮挡，仍可见边框、控件和下方内容，并连续延续至弹窗关闭后。最后合格帧为8.25秒；8.5秒已切换为Discussions页面，目标消失。视频起点前无采样帧。选择6秒作为关键帧，此时弹窗已关闭、拖动已结束，模块标题与可见内容清晰。","start_frame":0,"end_frame":204,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[248.4,555.6,983.3,1000],"positive_points":[[538,598],[456,678],[404,756],[666,836],[789,917],[575,981]],"negative_points":[[567,305],[603,466],[141,674],[613,529]],"evidence":"目标是下方标题为“Module 1: Essential Nursing Functions, Facilities, and Resident’s Rights”的模块卡片。框覆盖其标题、全部可见内容行（包括灰色讨论行）、边框及操作控件，并截于图像底边。六个正点分布在标题和不同内容行；负点位于上方Introduction模块、左侧课程导航和两模块之间的空白处。"}},{"name":"DISCUSS: Healthcare Facilities module row","description":"Discussion item inside Module 1, initially below the first Healthcare Facilities Lecture Notes and Overview row. It is dragged upward and placed directly after Essential Nursing Functions Overview.","membership":"Include the entire movable row, its background and border, drag handle, title, publication check, and options control. Follow the row when it floats away from its original position. Exclude adjacent rows, the vacant drop area, and cursor.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":8.5,"reference_s":7.0,"evidence":"目标是 Module 1 中标题为“DISCUSS: Healthcare Facilities”的整行，包含拖动柄、发布勾和选项按钮。首帧 0.00 秒已存在，虽被添加项目弹窗部分遮挡，后续可确认是同一行；4.75–5.25 秒浮起上移，随后位于 Essential Nursing Functions Overview 正下方。最后符合帧为 8.25 秒，紧邻的 8.50 秒已切换到 Discussions 页面，该模块行消失。起点已达视频开头，无更早帧。选择 7.00 秒作为关键帧，此时整行完整清晰，光标不遮挡目标。","start_frame":0,"end_frame":204,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[248.4,714.8,983.3,797.2],"positive_points":[[263,757],[366,759],[523,776],[717,744],[933,759],[960,760]],"negative_points":[[491,680],[480,837],[128,726],[388,519]],"evidence":"目标是 Module 1 中紧接 Essential Nursing Functions Overview 的灰色“DISCUSS: Healthcare Facilities”整行。边框覆盖行背景、左侧拖动手柄、标题、发布勾选和右侧选项控件。正点分布于这些内容及行背景；负点位于上下相邻行、左侧导航和行外光标，均不属于目标。"}},{"name":"Discussions navigation link","description":"The \"Discussions\" link in the left course-navigation column, below Grades and above New Analytics. It is used to leave Modules and becomes the active navigation entry.","membership":"Include the link text and its navigation-row interaction area, including the active-entry marker when present. Exclude neighboring navigation links and the separate global icon sidebar.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":9.5,"evidence":"目标是左侧课程导航中位于 Grades 下方、New Analytics 上方的 Discussions 链接及其交互行；进入讨论页后出现左侧活动标记。它从首帧 0.00 秒到末帧 11.75 秒持续完整可见，开头虽被弹窗背景遮罩调暗，但未被遮挡或正在淡入。区间覆盖视频全长，起点之前和终点之后均无采样帧。选择 9.50 秒作为关键帧，此时链接文字和活动标记清晰，鼠标不遮挡目标。","start_frame":0,"end_frame":288,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[88,392,226,443],"positive_points":[[89,416],[98,413],[122,415],[159,416],[190,419],[216,428]],"negative_points":[[118,361],[142,466],[36,381],[309,421]],"evidence":"目标是左侧课程导航中位于 Grades 下方、New Analytics 上方的黑色 Discussions 链接。框覆盖该导航行的文字、交互区域及左侧活动标记；正点分布在文字、标记和行内表面，负点位于相邻链接、独立全局图标栏及右侧讨论内容。"}},{"name":"Discussions list panel","description":"Large bordered panel headed \"Discussions\" on the course's Discussions page. It loads topic cards including Communication with Patients, What is PHI (Protected Health Information)?, Warm-up: HIPAA Violation?, COVID-19 Experiences, and Healthcare Facilities.","membership":"Include the panel surface, border, heading, collapse arrow, and all visible topic cards with their text and status dots. Exclude the filter, search field, and creation button above it, and exclude course navigation.","id":"obj_009","temporal":{"status":"found","start_s":8.5,"end_s":10.75,"reference_s":9.75,"evidence":"目标是课程 Discussions 页面中带边框、折叠箭头和“Discussions”标题的大面板，包含主题卡片及状态圆点。8.50秒面板表面、边框和标题已建立，后续卡片加载不推迟容器起点；最后符合帧为10.50秒。前一帧8.25秒仍是 Modules 页面，后一帧10.75秒已切换到新建讨论表单。选择9.75秒作为关键帧，面板和所列主题清晰，鼠标位于面板外，遮挡最少。","start_frame":204,"end_frame":258,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[252.6,269.4,994.8,1000],"positive_points":[[332,310],[463,419],[704,554],[443,689],[787,823],[537,958]],"negative_points":[[381,159],[701,158],[944,161],[143,466]],"evidence":"目标是标题为“Discussions”的大型带边框列表面板。边界框从标题上方的面板边框覆盖至图像底部，包括折叠箭头、状态圆点及所有可见主题卡片，最后一张卡片按可见部分截断。正点分布在标题及各主题卡片的文字和表面；负点位于上方筛选框、搜索框、新建按钮和左侧课程导航，均不属于目标。"}},{"name":"New discussion button","description":"Red \"+ Discussion\" button at the upper right of the Discussions page, activated to open the creation form.","membership":"Include the complete button surface, boundary, plus symbol, and Discussion label. Exclude the search field and cursor.","id":"obj_010","temporal":{"status":"found","start_s":8.5,"end_s":10.75,"reference_s":9.5,"evidence":"目标是 Discussions 页面右上角红色“+ Discussion”按钮，包含完整底色、边界、加号和文字。首个合格帧为8.50秒，最后为10.50秒；此前8.25秒仍是 Modules 页面，此后10.75秒已切换至创建讨论表单，按钮消失。选择9.50秒作为关键帧，按钮完整清晰，且无光标遮挡。","start_frame":204,"end_frame":258,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[893.2,131.5,994.8,184.3],"positive_points":[[901,144],[910,158],[933,172],[951,146],[975,157],[986,174]],"negative_points":[[811,158],[942,101],[940,207],[382,374]],"evidence":"目标是页面右上角红色“+ Discussion”按钮。边界框紧贴完整按钮，包含红色表面、边界、加号及文字。六个正点分布于按钮各部分；负点位于左侧搜索框、按钮上方和下方背景，以及页面中的手形光标，均排除在目标之外。"}},{"name":"Create New discussion form","description":"Discussion-creation form under Nursing > Discussions > Create New. It shows a Details tab, Topic Title field, Post to selector set to All Sections, attachment chooser, two options, availability dates, and Cancel and Save buttons.","membership":"Include the form region from its Details tab through its bottom action buttons: fields, labels, selectors, checkboxes, date controls, dividers, and visible form surface. Exclude the breadcrumb header and both navigation columns.","id":"obj_011","temporal":{"status":"found","start_s":10.75,"end_s":12.0,"reference_s":11.0,"evidence":"目标是 Create New 页面中的讨论创建表单，包含 Details 标签、Topic Title、All Sections 选择器、附件、选项、日期控件及底部 Cancel/Save 按钮，不含页眉和导航栏。首个合格帧为10.75秒，表单结构已完整建立；此前10.50秒仍为讨论列表。最后合格帧为11.75秒，表单持续存在至视频结束，之后没有采样帧。选择11.00秒作为关键帧，表单清晰，鼠标位于表单外，遮挡最少。","start_frame":258,"end_frame":288,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[266.7,195.4,982.3,1000],"positive_points":[[304,226],[814,306],[395,439],[391,679],[424,881],[947,983]],"negative_points":[[244,46],[146,208],[36,474],[963,188]],"evidence":"通过 Details 页签、Topic Title、All Sections、选项及日期控件识别出讨论创建表单。边界框从 Details 页签覆盖至图像底部可见的 Cancel 和 Save 按钮，包括字段、分隔线及表单表面。正点分布于页签、标题输入框、分区选择器、选项、日期框和保存按钮；负点位于面包屑、两列导航及表单上方的手形指针，均不属于表单。"}},{"name":"Topic Title field","description":"Long empty title-entry field at the top of the new discussion form, outlined in red and displaying \"Topic Title\". It is the final field approached for text entry.","membership":"Include the complete input field surface, border, and placeholder or entered text. Exclude the Details tab, other form fields, and cursor.","id":"obj_012","temporal":{"status":"found","start_s":10.75,"end_s":12.0,"reference_s":11.0,"evidence":"目标是新建讨论表单顶部带红色边框、显示“Topic Title”的长输入框，包含完整表面、边框及占位文字。首个合格帧为10.75秒，最后为11.75秒；前一帧10.50秒仍是讨论列表，尚无该输入框。目标持续到视频结束，之后无采样帧。选择11.00秒作为关键帧，输入框完整清晰，光标未遮挡目标。","start_frame":258,"end_frame":288,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[267.2,272.2,980.2,338.9],"positive_points":[[306,306],[411,294],[556,321],[696,302],[829,322],[958,303]],"negative_points":[[305,225],[387,436],[965,187],[623,372]],"evidence":"目标是表单顶部显示“Topic Title”的红色描边长输入框。边界框紧贴完整字段，包含表面、边框和占位文字；六个正点分布于文字及输入框各段表面。负点位于 Details 标签、下方其他字段、右上手形光标及框外空白处。"}}]}
+{"video_id":28,"video_type":"desktop and application interfaces","targets":[{"name":"Discussion grading title","description":"The red heading “DISCUSS: Communication with Patients” in the dark top bar of the grading view.","membership":"Includes only the heading text. Excludes the dark backing bar, settings icon, grading counts, and group navigation.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":2.75,"reference_s":0.5,"evidence":"目标是评分视图深色顶栏中的红色标题“DISCUSS: Communication with Patients”，仅包含文字。首个合格帧为0.00秒，标题已完整显示；最后合格帧为2.50秒。2.75秒切换到课程分析页面，该顶栏标题消失。区间始于视频开头，无更早帧可检查。选择0.50秒为关键帧，标题清晰完整且无遮挡。","start_frame":0,"end_frame":66,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[62.5,27.8,402.1,53.7],"positive_points":[[64.1,40.7],[107.3,40.7],[153.6,40.7],[220.8,41.7],[296.9,42.6],[337.5,40.7]],"negative_points":[[27,40],[220,70],[650,28],[850,40]],"evidence":"目标是顶部深色栏中的红色标题“DISCUSS: Communication with Patients”。边界框仅覆盖整行标题文字；六个正点分布在各段文字的字形笔画上，负点位于设置图标、标题下方深色背景、评分计数及组导航区域。"}},{"name":"Annotated nursing document viewer","description":"The left-hand document viewer displays prose about nurses and COVID-19, with yellow highlights, red strikethroughs, and a red bracket annotation. Annotation tools and color swatches appear above the page.","membership":"Includes the viewer surface, visible document page and text, document annotations, toolbar, color palette, and viewer boundaries. Excludes the discussion header and the grading and feedback controls to its right.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":2.75,"reference_s":0.75,"evidence":"目标为左侧护理文档查看器，包括护士与COVID-19正文、黄色高亮、红色删除线和括号批注，以及上方工具栏、色板和查看器边界。首个合格帧为0.00秒，虽被弹出面板的背景遮罩调暗，但结构已完整；视频起点前无采样帧。最后合格帧为2.50秒，紧邻的2.75秒已切换为课程分析页面，查看器消失。选择0.75秒作为关键帧，因为查看器明亮清晰、无遮挡，各组成部分易于辨认。","start_frame":0,"end_frame":66,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[0,82.4,544.3,1000],"positive_points":[[430,179],[179,250],[241,342],[325,550],[259,710],[490,839]],"negative_points":[[261,40],[609,344],[760,623],[927,896]],"evidence":"目标为左侧护理文档查看器，可见护士与COVID-19相关正文、黄色高亮、红色删除线及括号批注。边框覆盖顶部灰色批注工具栏、颜色栏、整张可见文档及右侧边界，底部截至图像边缘。正点分布于工具栏、色块、正文和批注；负点位于上方讨论标题及右侧保存、反馈、提交控件，均不属于查看器。"}},{"name":"Manage Comment Library panel","description":"The white right-side overlay headed “Manage Comment Library,” containing a suggestion toggle, two saved comments with edit and delete controls, and an “Add comment to library” field.","membership":"Includes the panel surface, boundary, heading, back control, toggle, saved-comment rows, row controls, and lower entry field. Excludes the dimmed application behind it.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"0.00秒右侧白色覆盖面板已完整显示，标题为“Manage Comment Library”，包含返回控件、建议开关、两条保存评论及编辑/删除控件和底部输入框，与目标一致。首末 qualifying 帧均为0.00秒；视频起点之前无采样帧，紧邻的0.25秒帧中面板已消失，露出后方评分与评论页面。选择0.00秒为关键帧，面板边界清晰且完整可见。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[655.2,75,992.2,997.2],"positive_points":[[683,127],[953,193],[782,301],[942,418],[778,650],[834,915]],"negative_points":[[610,345],[602,625],[848,39],[509,188]],"evidence":"目标是右侧标题为“Manage Comment Library”的白色覆盖面板。边界框紧贴面板可见范围，包含返回按钮、建议开关、两条评论及编辑删除控件和底部输入框。正点分布在面板控件、评论区域、空白表面及输入框上；负点位���左侧变暗的应用背景和上方导航栏，不包含外部阴影。"}},{"name":"Terminology feedback library entry","description":"The first saved comment in the library, shown with a red background: “Wonderful observations and be sure to familiarize yourself with the terminology in this worksheet.” It is selected before the library closes.","membership":"Includes the selectable comment's colored surface and its text. Excludes the adjacent edit and delete controls, the second comment, and the rest of the library panel.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是评论库中第一条红底白字的术语反馈条目，文字以“Wonderful observations”开头，不包括右侧编辑和删除控件。首个及最后一个符合条件的采样帧均为0秒，条目表面与文字已完整显示，因此选其为关键帧。0.25秒时评论库已关闭，目标消失；之后评论输入框中的相同文字不是该库条目。区间到达视频开头，没有更早的采样帧。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[665.1,240.7,920.8,361.1],"positive_points":[[687.5,259.3],[880.2,259.3],[755.2,296.3],[833.3,324.1],[682.3,347.2],[906.3,349.1]],"negative_points":[[941.1,298.1],[966.1,298.1],[760.4,418.5],[765.6,196.3]],"evidence":"目标是评论库中首条红底术语反馈，文字以“Wonderful observations”开头。边框紧贴该条目的红色表面并包含全部文字，不含右侧编辑、删除控件。六个正点分布在红色条目的不同部位；负点位于编辑和删除控件、第二条评论及上方建议设置区域。"}},{"name":"Attempt feedback text field","description":"The large light-gray entry box beneath “Comments for this Attempt” on the right of the grading view. Initially empty, it receives the saved terminology feedback.","membership":"Includes the field's surface, border, and displayed feedback text throughout its content update. Excludes the heading, comment-library icon above it, group-delivery notice, and attachment controls below.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":2.75,"reference_s":0.75,"evidence":"目标是右侧“Comments for this Attempt”下方的浅灰色反馈输入框，包含边框及随后填入的术语反馈。首个合格帧为0秒，框已存在但被评论库面板部分遮挡；0.25秒完整显示为空框，0.5秒起出现反馈文字。最后合格帧为2.5秒，紧邻的2.75秒已切换至分析页面，目标消失。视频起点之前没有采样帧。选择0.75秒作为关键帧，输入框及反馈文字完整清晰、无遮挡。","start_frame":0,"end_frame":66,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[578.1,567.6,967.7,682.4],"positive_points":[[584,579],[758,590],[951,585],[600,657],[796,654],[941,660]],"negative_points":[[660,474],[955,524],[698,714],[596,785]],"evidence":"目标是右侧“Comments for this Attempt”下方显示术语反馈的浅灰色输入框。边界框紧贴字段外边框，涵盖其表面及全部反馈文字；六个正点分布于框内不同区域，四个负点分别位于上方标题、评论库图标、下方群组发送提示和附件控件，均不属于该字段。"}},{"name":"Feedback Submit button","description":"The red “Submit” button at the lower right of the grading view, approached after the feedback field is populated.","membership":"Includes the button's red surface, boundary, and white label. Excludes the hand cursor and surrounding white page.","id":"obj_006","temporal":{"status":"found","start_s":0.25,"end_s":2.75,"reference_s":0.75,"evidence":"目标是评分视图右下角的红色按钮，带白色“Submit”标签，位于反馈输入框下方。首个合格帧为0.25秒，最后一个为2.50秒；此前0.00秒该位置被评论库侧栏遮挡，此后2.75秒画面已切换至分析页面，按钮消失。选择0.75秒作为关键帧，此时按钮完整清晰，且未被手形光标遮挡。","start_frame":6,"end_frame":66,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[888.5,864.8,967.7,929.6],"positive_points":[[895,875],[955,877],[912,896],[939,899],[899,920],[960,918]],"negative_points":[[867,898],[978,897],[925,846],[926,953]],"evidence":"目标是评分界面右下角红底白字的“Submit”按钮。边界框紧贴按钮的完整红色表面及白色标签；六个正点分布于按钮表面和文字区域，四个负点位于按钮四周的白色页面上，不包含手形光标。"}},{"name":"Course analytics grade chart","description":"The main chart on the “New Analytics” page for Nursing Fundamentals. Red filled points animate upward while hollow red circles appear along the baseline; assignment-type icons run beneath the plot.","membership":"Includes the plot surface and boundary, horizontal grid lines, percentage labels, all plotted markers, bottom category icons, and the horizontal chart scrollbar above. Excludes the course navigation, assignment-type filter checkboxes, hover tooltip, and overlaid detail panels.","id":"obj_007","temporal":{"status":"found","start_s":2.75,"end_s":15.0,"reference_s":4.5,"evidence":"目标是 Nursing Fundamentals 的 New Analytics 主成绩图，包含百分比网格、红色标记、底部类别图标及上方横向滚动条。2.75秒图表表面和边界已完整建立，随后标记的内部动画不延迟图表起点；前一帧2.50秒仍是评分页面。图表之后虽被详情面板和消息窗口部分遮挡，但持续可见至最后一帧14.75秒；视频在15.0秒结束，没有后续帧。选择4.50秒作为关键帧，此时图表完整清晰，无遮挡或悬浮提示。","start_frame":66,"end_frame":360,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[258.9,300.9,928.1,961.1],"positive_points":[[723.4,313.9],[279.2,376.9],[540.6,401.9],[739.6,728.7],[874.5,883.3],[816.1,949.1]],"negative_points":[[147.9,463.9],[623.4,243.5],[520.8,161.1],[963.5,611.1]],"evidence":"目标是页面中央的课程成绩图表。边框覆盖上方横向滚动条、百分比标签、绘图区及网格、全部红色标记和底部类别图标。正点分布在滚动条、百分比文字、实心点、绘图表面、空心圆轮廓和底部星形图标上；负点位于左侧导航、上方筛选复选框、课程选择栏及右侧外部空白。"}},{"name":"Discussion chart tooltip","description":"The dark tooltip beneath the hovered rightmost elevated red point, reading “DISCUSS: Communication with Patients.”","membership":"Includes the tooltip's dark backing shape and its red text. Excludes the plotted point, cursor, and underlying chart.","id":"obj_008","temporal":{"status":"found","start_s":5.25,"end_s":6.25,"reference_s":5.5,"evidence":"目标是图表右侧最高处附近红点下方的深色提示框，含红字“DISCUSS: Communication with Patients”，不含红点和光标。首次完整出现于5.25秒，最后符合条件的帧为6.00秒；前一帧5.00秒只有悬停光标和红点，尚无提示框，后一帧6.25秒已被打开的讨论详情侧栏取代。选择5.50秒作为关键帧，提示框边界与文字完整清晰。","start_frame":126,"end_frame":150,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[733.9,450,953.6,550],"positive_points":[[745,476],[923,477],[757,534],[934,535],[791,505],[892,506]],"negative_points":[[843.8,431.5],[852,469],[718,506],[900,425]],"evidence":"目标是右侧悬停数据点下方、显示“DISCUSS: Communication with Patients”的深色提示框。边界框覆盖深色底板、可见尖角及红色文字；正点分布在底板和文字上，负点位于被排除的红色数据点、手形光标及周围图表背景。"}},{"name":"Discussion analytics detail panel","description":"The white panel opening over the right side of the analytics chart, titled “DISCUSS: Communication with Patients.” It shows All Sections, summary statistics, a grade-distribution chart, an envelope control, and a close control.","membership":"Includes the panel surface and boundary and all its contents, including the title, section indicator, summary statistics, histogram, envelope button, and close control. Excludes the underlying course chart and subsequent message dialog.","id":"obj_009","temporal":{"status":"found","start_s":6.25,"end_s":15.0,"reference_s":7.25,"evidence":"目标是右侧标题为“DISCUSS: Communication with Patients”的白色分析详情面板，包含统计、分布图、信封及关闭控件。6.00秒仅有图表悬停提示；6.25秒面板表面与边界已完整建立，内部柱状图随后变化不影响起点。10.75秒起消息对话框遮挡部分面板，但其顶部及右侧仍可见，持续至最后采样帧14.75秒，因此终点为15.00秒，视频结束后无相邻帧。选择7.25秒作为关键帧，面板清晰且未被对话框遮挡。","start_frame":150,"end_frame":360,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[521.4,0,999,1000],"positive_points":[[587,78],[695,155],[924,89],[796,366],[955,501],[746,815]],"negative_points":[[422,455],[450,897],[144,464],[330,160]],"evidence":"目标是覆盖右侧课程图表的白色讨论分析详情面板，标题为“DISCUSS: Communication with Patients”。边界框覆盖面板完整可见表面、边界及全部控件。正点分布于分区标识、标题、信封按钮、统计值、柱状图及下方白色表面；负点位于左侧被覆盖前的课程图表、导航和分区控件。"}},{"name":"Discussion grade-distribution histogram","description":"The chart in the discussion detail panel, beneath the summary statistics. Two red bars grow near the high end of a percentage axis, with a vertical count scale from zero to three.","membership":"Includes the histogram plotting area, baseline, axis ticks and labels, and both animated bars. Excludes the summary statistics above, the panel title, and surrounding controls.","id":"obj_010","temporal":{"status":"found","start_s":6.5,"end_s":10.75,"reference_s":8.0,"evidence":"目标是讨论详情面板统计摘要下方的直方图，含百���比横轴、0至3的计数纵轴及两根红柱。6.50秒两根完整矩形柱均已出现，之后的增高属于缩放；前一帧6.25秒仅出现一根柱，指定组合尚不完整。最后符合帧为10.50秒，10.75秒弹出的消息窗口遮住图表。选择8.00秒作为关键帧，此时图表清晰、无遮挡且两柱及坐标轴易于辨认。","start_frame":156,"end_frame":258,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[547.4,428.7,974.5,602.8],"positive_points":[[551.6,439.8],[640.6,561.1],[768.2,591.7],[898.4,515.7],[955.2,477.8],[690.1,489.8]],"negative_points":[[632.8,367.6],[875,367.6],[679.7,140.7],[755.2,681.5]],"evidence":"目标是右侧讨论详情面板中、统计摘要下方的直方图。边界框覆盖绘图区、0至3计数标签、百分比轴及两根红柱。正点分布在红柱、绘图区、基线和轴标签上；负点位于上方统计数字、标题及图表下方的外部空白。"}},{"name":"Message Students Who control","description":"The square envelope button at the upper right of the discussion analytics panel. Hovering over it reveals “Message Students Who,” and it opens the message composer.","membership":"Includes the button surface, border, and envelope symbol. Excludes the cursor, adjacent close control, and external hover tooltip.","id":"obj_011","temporal":{"status":"found","start_s":6.25,"end_s":15.0,"reference_s":8.0,"evidence":"目标是讨论分析侧栏右上角的方形信封按钮，紧邻关闭叉号；悬停提示“Message Students Who”确认其身份。首个合格帧为6.25秒，按钮表面、边框及信封符号均已完整出现；前一帧6.00秒尚未打开该侧栏。最后合格帧为14.75秒，按钮仍在消息编辑弹窗后方可见，仅随背景变暗。区间延续至视频结束，无后续帧。选择8.00秒作为关键帧，按钮清晰且没有光标或提示框遮挡。","start_frame":150,"end_frame":360,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[899.48,46.3,945.83,131.48],"positive_points":[[906.25,60.19],[939.06,61.11],[906.25,115.74],[939.06,116.67],[911.46,90.74],[929.69,100]],"negative_points":[[961.98,87.96],[851.56,466.67],[885.42,83.33],[921.88,158.33]],"evidence":"目标是讨论分析面板右上角、关闭叉号左侧的方形信封按钮。边界框紧贴按钮外边框，包含按钮表面和信封图标；六个正点分布于按钮表面及图标，四个负点位于相邻关闭控件、下方手形光标和按钮外部背景，均不包含在目标内。"}},{"name":"Message Students Who tooltip","description":"The dark hover label extending leftward beneath the envelope button, with red text reading “Message Students Who.”","membership":"Includes the tooltip backing shape and enclosed text. Excludes the envelope button, cursor, and analytics panel beneath it.","id":"obj_012","temporal":{"status":"found","start_s":9.5,"end_s":15.0,"reference_s":10.0,"evidence":"目标是信封按钮下方向左延伸的深色提示框，内有红字“Message Students Who”。9.25秒尚无提示框，9.5秒首次完整显示；10.75秒起被弹窗部分遮挡，但顶部底板和指向信封的尖角持续可见，末个合格帧为14.75秒。区间延续至视频结束，无后续帧。选择10.0秒作为关键帧，提示框及文字清晰且未被弹窗遮挡。","start_frame":228,"end_frame":360,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[771.35,111.11,951.04,197.22],"positive_points":[[781.25,134.26],[812.5,161.11],[885.42,162.96],[940.1,177.78],[807.29,186.11],[922.4,116.67]],"negative_points":[[920.8,83.3],[940.1,107.4],[858.3,225.9],[748,214.8]],"evidence":"目标是信封按钮下方向左延伸、含红色“Message Students Who”文字的深色提示框。边界框覆盖提示框底板、顶部尖角和内部文字；正点分布于底板、文字及尖角，负点位于排除的信封按钮、手形光标及提示框外的面板背景。"}},{"name":"Message Students Who dialog","description":"The centered white message composer over the dimmed analytics page. The Missing tab is selected, BCC shows All Sections and “12 Students,” and the fields are filled with subject “Missing Post” and message “Hi all, please be sure to submit your posts!”","membership":"Includes the dialog surface, boundary, title, Score Range/Missing/Late tabs, recipient information, Subject and Message fields with their evolving contents, and Close and Send buttons. Excludes the dimmed analytics page, underlying detail panel, cursor, and external shadow.","id":"obj_013","temporal":{"status":"found","start_s":10.75,"end_s":15.0,"reference_s":13.75,"evidence":"目标是覆盖在变暗分析页面上的白色“Message Students Who”对话框，包含选中的 Missing 标签、All Sections 和 12 Students 收件信息以及输入框和按钮。10.75 秒首次完整显示对话框结构；10.50 秒仅有底层详情面板和提示，没有对话框。字段随后逐步填写，不影响容器连续存在。最后合格帧为 14.75 秒，持续至视频结束，之后无采���帧。选择 13.75 秒作为关键帧，所述主题和消息均已填写完整，对话框边界清楚且遮挡少。","start_frame":258,"end_frame":360,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[218.2,165.7,971.4,826.9],"positive_points":[[348,220],[393,336],[456,445],[588,520],[652,618],[917,767]],"negative_points":[[148,466],[597,77],[937,99],[641,894]],"evidence":"目标是居中的“Message Students Who”消息对话框，Missing 标签已选中，收件人为 All Sections 和 12 Students，主题及消息内容与描述一致。边界框覆盖完整对话框表面、标题、标签、字段和底部按钮，不含外部阴影。正点分布于标题、标签、收件人、两个输入框及 Send 按钮；负点位于左侧变暗导航、上方底层详情面板及光标区域、下方外部背景。"}},{"name":"Reminder Send button","description":"The red “Send” button in the lower-right footer of the message composer, approached after the missing-post reminder is completed.","membership":"Includes the button's red surface, boundary, and white label. Excludes the adjacent Close button, cursor, and surrounding dialog footer.","id":"obj_014","temporal":{"status":"found","start_s":10.75,"end_s":15.0,"reference_s":13.75,"evidence":"目标是“Message Students Who”消息编辑框右下角的红色 Send 按钮，包含白色标签，与左侧 Close 按钮区分。10.75秒首次完整出现，10.50秒尚未显示消息编辑框及该按钮；至最后采样帧14.75秒仍完整可见，因此区间延续至视频结束15.0秒，之后无采样帧。选择13.75秒作为关键帧，此时提醒内容已填写完成，按钮清晰且未被光标遮挡。","start_frame":258,"end_frame":360,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[884.4,735.2,950,800],"positive_points":[[890.6,746.3],[942.7,749.1],[916.7,765.7],[895.8,787],[940.1,786.1],[926,751.9]],"negative_points":[[833.3,765.7],[868.8,773.1],[916.7,816.7],[960.4,763]],"evidence":"目标是消息编辑弹窗右下角、Close 右侧的红色 Send 按钮。边界框紧贴按钮，覆盖红色表面、边界及白色文字；六个正点分布在按钮表面和标签上，四个负点位于相邻 Close 按钮及按钮外的页脚背景。"}}]}
+{"video_id":29,"video_type":"desktop and application interfaces","targets":[{"name":"Laser-project section navigation","description":"The left-hand panel headed “ON THIS PAGE,” listing numbered sections from “Problem and Five-Step Algorithm” through “Reproducibility, Export, and Scope.” The active section changes as the page scrolls.","membership":"Include the rounded navigation panel, its background, section numbers, labels, and active-item styling. Exclude the surrounding page and cursor.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":4.25,"evidence":"目标是左侧标题为“ON THIS PAGE”的圆角导航面板，包含编号、章节标签及随滚动变化的高亮项。首个合格帧为0.00秒，末帧为7.75秒；视频起点之前没有采样帧，8.00秒切换为深色图表查看层，导航面板不再可见。选择4.25秒作为关键帧，面板边界完整、标签及高亮样式清晰，且无遮挡。","start_frame":0,"end_frame":192,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[12.2,168.5,180.6,707.4],"positive_points":[[54,192],[84,255],[93,377],[113,447],[94,501],[99,657]],"negative_points":[[207,459],[91,140],[101,765],[412,346]],"evidence":"左侧“ON THIS PAGE”标题及编号章节列表明确对应目标，当前第04节带高亮样式。边界框覆盖整个可见圆角导航面板，包括背景、文字和高亮项；正点分布于标题、章节及面板下部，负点位于面板外的上方、下方和右侧页面区域。"}},{"name":"Problem and Five-Step Algorithm introduction","description":"The opening main-column heading and explanatory paragraph describing reconstruction of carrier density and injection current from observed laser intensity.","membership":"Include the section number, heading, and introductory paragraph as one text block. Exclude the information cards and workflow graphic below.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标是主栏中“01”、标题“Problem and Five-Step Algorithm”及其下方介绍载流子密度与注入电流重建的段落，不含信息卡和流程图。首个合格帧为0.00秒，最后为0.25秒；0.50秒时页面上滚，标题顶部开始被视口裁切。目标在视频起点已完整显示，无更早帧。选择0.00秒作为关键帧，文本完整清楚且无遮挡。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[210.6,162,937.5,303],"positive_points":[[213.5,187],[392,179],[260,234],[873,234],[543,265],[702,294]],"negative_points":[[110,440],[261,369],[537,370],[399,473]],"evidence":"目标是主栏顶部的“01 Problem and Five-Step Algorithm”及下方三行引言。边界框覆盖章节编号、完整标题和说明段落；正点分布在编号、标题及各行文字上。负点位于左侧导航、下方信息卡和流程图，均不属于目标文本块。"}},{"name":"Observation card","description":"The first small information card, labeled “OBSERVATION,” with “Log intensity q(τ).”","membership":"Include the card surface, rounded boundary, label, and value.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.25,"evidence":"目标是“Problem and Five-Step Algorithm”下方第一张圆角信息卡，标签为“OBSERVATION”，值为“Log intensity q(τ)”。0.00秒至0.50秒的采样帧中卡片表面、边界和文字均完整可见；0.75秒页面已滚动至速率方程区域，目标不再可见。区间始于视频开头，没有更早帧。选择0.25秒为关键帧，此时卡片清晰且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[210.6,324.1,334.5,415],"positive_points":[[222,337],[246,347],[271,369],[321,340],[228,397],[316,399]],"negative_points":[[385,368],[241,291],[193,369],[239,428]],"evidence":"目标为信息卡行最左侧标有“OBSERVATION”和“Log intensity q(τ)”的卡片。边界框覆盖完整卡面、圆角边界及文字；正点分布于标签、数值和卡面不同位置，负点位于右侧相邻卡片、上方正文以及左侧和下方的外部背景。"}},{"name":"Latent-state card","description":"The information card labeled “LATENT STATE,” identifying “Carrier density n(τ).”","membership":"Include the card surface, rounded boundary, label, and value.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是顶部信息卡行中第二张圆角卡片，标有“LATENT STATE”和“Carrier density n(τ)”。首个合格帧为0.00秒，末个为0.50秒，卡片表面、边界、标签和值均完整可见；0.75秒已滚动到激光速率方程部分，目标离开画面。区间始于视频开头，无更早采样帧。选择0.00秒作为关键帧，卡片清晰完整且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[341.4,324.1,464.1,414.8],"positive_points":[[356,347],[400,369],[354,392],[447,339],[449,394],[412,402]],"negative_points":[[272,369],[520,369],[405,289],[402,473]],"evidence":"目标为信息卡行中第二张卡片，标签为“LATENT STATE”，内容为“Carrier density n(τ)”。边框覆盖整张卡片的圆角边界、表面及文字。正点分布于标签、数值文字和卡片表面；负点位于左右相邻卡片、上方说明文字及下方流程图。"}},{"name":"Inverse-target card","description":"The information card labeled “INVERSE TARGET,” identifying “Injection current i(τ).”","membership":"Include the card surface, rounded boundary, label, and value.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是算法介绍下方第三张圆角信息卡，标有“INVERSE TARGET”和“Injection current i(τ)”。首个合格帧为0.00秒，最后为0.50秒，卡片表面、边界及文字均完整可见；0.75秒页面已滚动到速率方程区域，目标不再可见。区间起于视频开头，无更早帧。选择0.00秒作为关键帧，卡片清晰完整且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[470.5,324.1,593.8,415.7],"positive_points":[[481,340],[548,347],[489,370],[564,370],[488,398],[579,398]],"negative_points":[[405,370],[660,371],[535,294],[535,431]],"evidence":"目标是信息卡行中标有“INVERSE TARGET”和“Injection current i(τ)”的第三张卡片。边界框覆盖其完整卡面、圆角边界及文字；六个正点分布在标签、数值文字和卡面各处，四个负点位于左右相邻卡片及目标上下方的外部区域。"}},{"name":"Forward-solver card","description":"The information card labeled “FORWARD SOLVER,” naming fourth-order Runge–Kutta.","membership":"Include the card surface, rounded boundary, label, and value.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是“Problem and Five-Step Algorithm”下方信息卡行中标注“FORWARD SOLVER”、值为“Fourth-Order Runge–Kutta”的圆角卡片。首个合格帧为0.00秒，最后为0.50秒，卡片表面、边界和文字均完整可见；0.75秒页面已滚动到速率方程部分，目标不再可见。区间起点即视频开头，无更早帧。选择0.00秒作为关键帧，卡片清晰且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[600.1,324.1,723.4,414.8],"positive_points":[[620.4,347.2],[677.7,368.5],[626.7,389.8],[708.3,346.3],[702.5,397.2],[607.6,368.5]],"negative_points":[[554.4,370.4],[763.9,369.4],[659.7,300],[667.8,431.5]],"evidence":"目标是信息卡片行中标有“FORWARD SOLVER”、内容为“Fourth-order Runge–Kutta”的卡片。边界框覆盖完整卡面、圆角边界及文字；六个正点分布在标签、数值和卡面上，四个负点位于左右相邻卡片及目标上下的外部区域。"}},{"name":"State-network summary card","description":"The information card labeled “STATE NETWORK,” showing the architecture “1→128×8→3.”","membership":"Include the card surface, rounded boundary, label, and architecture notation.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.25,"evidence":"目标是算法概览中标有“STATE NETWORK”、内容为“1→128×8→3”的圆角信息卡。首个合格帧为0.00秒，最后为0.50秒，卡面、边界及文字均完整可见；0.75秒已滚动至速率方程区域，目标不再可见。区间到达视频起点，无更早采样帧。选择0.25秒作为关键帧，目标清晰完整且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[730,324,853,415],"positive_points":[[745,337],[797,347],[770,369],[837,369],[747,396],[817,400]],"negative_points":[[694,363],[916,365],[791,296],[788,430]],"evidence":"目标是摘要卡片行中标有“STATE NETWORK”和“1→128×8→3”的卡片。边框覆盖完整卡面、圆角边界及两行文字；正点分布在标签、架构文字和卡面上，负点位于左右相邻卡片及目标上下的外部背景。"}},{"name":"Correction-network summary card","description":"The information card labeled “CORRECTION NETWORK,” showing “1→64×3→1.”","membership":"Include the card surface, rounded boundary, label, and architecture notation.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.25,"evidence":"目标是页面顶部信息卡组最右侧的圆角卡片，标有“CORRECTION NETWORK”和“1→64×3→1”。首个合格帧为0.00秒，末个为0.50秒，卡面、边界及文字均完整可见；0.75秒页面已滚动至速率方程部分，目标不再可见。区间始于视频开头，无更早采样帧。选择0.25秒作为关键帧，卡片清晰且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[859,324,983,415],"positive_points":[[877,347],[940,347],[895,369],[872,395],[941,396],[972,370]],"negative_points":[[817,365],[922,303],[923,430],[991,373]],"evidence":"目标是摘要卡片行最右侧标有“CORRECTION NETWORK”和“1→64×3→1”的卡片。边界框覆盖完整卡片表面、圆角边界及内部文字；六个正点分布在标签、架构 notation及卡片表面，四个负点位于左侧相邻卡片及目标上、下、右侧的外部背景。"}},{"name":"Opening pink subtitle block","description":"Large pink Chinese subtitles over the lower page, beginning “这个是激光原理的三级项目” and later changing to “内容比较多，就不多解释了.”","membership":"Include only the subtitle glyphs throughout this uninterrupted subtitle presentation. Exclude webpage text and graphics behind them.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":2.75,"reference_s":1.5,"evidence":"目标是页面下方的大号粉色中文字幕“这个是激光原理的三级项目”，仅包含字幕字形。首个合格帧为0.00秒，最后为2.50秒；2.75秒紧邻帧中字幕已消失，因此不与3.25秒出现的“内容比较多，就不多解释了”合并。视频起点之前无采样帧。选1.50秒为关键帧，字幕完整清晰，易与背景网页内容区分。","start_frame":0,"end_frame":66,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[208.3,863.9,785.3,938.0],"positive_points":[[215.9,874.1],[329.9,871.3],[477.4,872.2],[619.2,875.0],[706.0,873.1],[780.7,901.9]],"negative_points":[[272.0,799.1],[590.3,855.6],[815.4,903.7],[694.4,977.8]],"evidence":"图像下方可见大号粉色字幕“这个是激光原理的三级项目”。框紧贴整行字幕的可见字形范围；六个正点分布在首字、中部及末尾汉字笔画上，负点位于上方网页文字、公式、右侧背景和底部任务栏，排除字幕背后的网页内容。"}},{"name":"Workflow caption","description":"The English sentence below the flowchart beginning “Original workflow from the paper,” summarizing the five stages.","membership":"Include the caption text only. Exclude the diagram, its surrounding card surface, and the topic tags below.","id":"obj_011","temporal":{"status":"found","start_s":0.75,"end_s":1.0,"reference_s":0.75,"evidence":"0.75秒可完整看到流程图下方以“Original workflow from the paper,”开头的英文说明，概述五个阶段，位于主题标签上方。首个和最后一个合格帧均为0.75秒；此前0.5秒流程图底部仍被画面下缘裁切，说明尚未出现；此后1.0秒说明已随滚动移出顶部，仅剩主题标签。因此选0.75秒作为关键帧，文字完整且易于与图表和标签区分。","start_frame":18,"end_frame":24,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[220.5,182.4,674,196.3],"positive_points":[[233.2,188.9],[315.4,188.9],[363.4,188.9],[435.8,188],[548,188.9],[645.3,188.9]],"negative_points":[[370.4,133.3],[393.5,207.4],[314.2,243.5],[532.4,275]],"evidence":"目标是流程图下方以“Original workflow from the paper”开头的英文说明句。边界框紧贴整行字幕文字；六个正点分布在句子不同部分的字形上，四个负点分别位于上方流程图、卡片空白、下方主题标签及更下方背景，均排除在目标之外。"}},{"name":"Semiconductor-Laser Rate Equations introduction","description":"The main heading and paragraph explaining the coupled carrier-density and photon-density system and the roles of injection, recombination, emission, and photon decay.","membership":"Include the section number, heading, and introductory paragraph. Exclude the parameter cards and equation panels below.","id":"obj_012","temporal":{"status":"found","start_s":0.75,"end_s":2.0,"reference_s":1.25,"evidence":"目标为编号02、“Semiconductor-Laser Rate Equations”标题及其下方介绍载流子密度与光子密度耦合系统的段落，不包含参数卡和公式面板。首次完整呈现于0.75秒，最后符合条件的帧为1.75秒；此前0.50秒仍显示五步算法流程图，此后2.00秒目标已随页面滚动移出画面。选择1.25秒作为关键帧，编号、标题和介绍段落均清晰完整且无遮挡。","start_frame":18,"end_frame":48,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[210.6,207.4,934.6,319.4],"positive_points":[[214.7,232.4],[249.4,222.2],[544.0,222.2],[287.0,279.6],[774.3,278.7],[594.9,309.3]],"negative_points":[[238.4,384.3],[284.1,451.9],[104.2,439.8],[520.8,166.7]],"evidence":"根据主内容区的“02”、标题“Semiconductor-Laser Rate Equations”及其下方两行介绍文字定位。边界框覆盖节号、完整标题和介绍段落；六个正点分布在这些文字上。负点位于下方参数卡、方程面板、左侧导航及上方背景，均不属于目标。"}},{"name":"Electron-charge parameter card","description":"The leftmost physical-parameter card, showing qₑ and “1.6×10⁻¹⁹ C.”","membership":"Include the complete card surface, boundary, symbol, and value.","id":"obj_013","temporal":{"status":"found","start_s":0.75,"end_s":2.0,"reference_s":1.25,"evidence":"目标是“Semiconductor-Laser Rate Equations”节参数行最左侧的卡片，标有 qₑ 和“1.6×10⁻¹⁹ C”。首个完整呈现帧为0.75秒，最后一个符合帧为1.75秒；前一帧0.50秒仍展示五步算法，尚未显示该卡片，后一帧2.00秒已滚动到下方方程，该卡片离开画面。选择1.25秒作为关键帧，卡片表面、边界、符号和值均清晰完整且无遮挡。","start_frame":18,"end_frame":48,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[211,341,335,411],"positive_points":[[224,363],[246,385],[274,385],[316,360],[321,396],[225,397]],"negative_points":[[350,383],[270,314],[274,451],[195,373]],"evidence":"根据参数行最左侧的 qₑ 符号和“1.6×10⁻¹⁹ C”数值识别目标。边界框覆盖整张圆角卡片的表面、边界和文字；正点分布在符号、数值及卡片表面，负点位于右侧相邻参数卡和目标上、下、左侧的外部区域。"}},{"name":"Active-volume parameter card","description":"The physical-parameter card showing Vₐ and “3.0×10⁻¹¹.”","membership":"Include the complete card surface, boundary, symbol, and value.","id":"obj_014","temporal":{"status":"found","start_s":0.75,"end_s":2.0,"reference_s":1.25,"evidence":"目标是“Semiconductor-Laser Rate Equations”下方参数行中标有 Vₐ 和“3.0×10⁻¹¹”的第二张卡片。0.75秒首次完整显示卡片表面、边界、符号和值，1.75秒为最后一个完整显示帧；此前0.50秒仍显示五步算法流程图，此后2.00秒参数行已随滚动移出画面。选择1.25秒作为关键帧，卡片清晰完整且无遮挡，易与相邻参数卡区分。","start_frame":18,"end_frame":48,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[341,341,464,411],"positive_points":[[353,363],[369,386],[412,357],[446,392],[394,401],[456,375]],"negative_points":[[293,383],[495,383],[402,313],[406,442]],"evidence":"目标是参数行中从左数第二张卡片，标有 Vₐ 和“3.0×10⁻¹¹”。边界框覆盖完整卡面、边界、符号及数值；六个正点分布在文字和卡面不同位置，四个负点位于左右相邻卡片及目标上、下方的外部区域。"}},{"name":"Carrier-lifetime parameter card","description":"The physical-parameter card showing τₙ and “1.0 ns.”","membership":"Include the complete card surface, boundary, symbol, and value.","id":"obj_015","temporal":{"status":"found","start_s":0.75,"end_s":2.0,"reference_s":1.25,"evidence":"目标是“Semiconductor-Laser Rate Equations”章节参数行中标有 τₙ 和“1.0 ns”的第三张卡片。0.75 秒首次完整显示卡片表面、边界、符号和值，最后符合条件的帧为 1.75 秒。此前 0.5 秒仍显示五步算法流程图��之后 2.0 秒参数行已滚出画面。选择 1.25 秒为关键帧，卡片完整清晰且无遮挡。","start_frame":18,"end_frame":48,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[470.5,340.7,593.2,410.2],"positive_points":[[483,363],[491,385],[531,352],[565,362],[575,392],[531,395]],"negative_points":[[405,383],[636,383],[534,320],[534,435]],"evidence":"目标是参数行中第三张卡片，显示 τₙ 和“1.0 ns”。边界框覆盖完整卡面、圆角边界、符号及数值。正点分布于符号、数值和卡面各处；负点位于左右相邻参数卡及目标上下方的外部区域。"}},{"name":"Photon-lifetime parameter card","description":"The physical-parameter card showing τₚ and “2.0 ps.”","membership":"Include the complete card surface, boundary, symbol, and value.","id":"obj_016","temporal":{"status":"found","start_s":0.75,"end_s":2.0,"reference_s":1.25,"evidence":"目标是“Semiconductor-Laser Rate Equations”章节参数行中标有 τₚ 和“2.0 ps”的第四张卡片，包含完整卡面及边界。首个符合帧为0.75秒，最后为1.75秒；此前0.50秒仍显示五步算法，尚未出现该卡片，此后2.00秒参数行已滚出画面。选择1.25秒为关键帧，卡片完整清晰且无遮挡。","start_frame":18,"end_frame":48,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[600,341,723,411],"positive_points":[[611,363],[619,386],[643,353],[704,364],[689,396],[630,401]],"negative_points":[[530,384],[781,384],[655,321],[655,452]],"evidence":"目标为参数行中显示 τₚ 和“2.0 ps”的第四张卡片。边界框紧贴完整卡片，包含表面、边界、符号及数值；正点分布在文字和卡片表面，负点位于左右相邻卡片及目标上、下方的外部区域。"}},{"name":"Confinement-factor parameter card","description":"The physical-parameter card showing Γ and “0.3.”","membership":"Include the complete card surface, boundary, symbol, and value.","id":"obj_017","temporal":{"status":"found","start_s":0.75,"end_s":2.0,"reference_s":1.25,"evidence":"目标是“Semiconductor-Laser Rate Equations”节参数行中标有 Γ 和“0.3”的卡片，位于 τp 卡片右侧、β 卡片左侧。首个合格帧为0.75秒，最后一个为1.75秒，卡片表面、边界、符号和数值均完整可见；前一帧0.5秒仍显示算法流程图，后一帧2.0秒参数行已滚出画面。选择1.25秒作为关键帧，目标清晰完整且无遮挡。","start_frame":18,"end_frame":48,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[729.7,340.7,852.4,410.2],"positive_points":[[740.7,362.9],[745.4,384.3],[777.8,354.6],[830.4,359.3],[786.5,394.4],[836.8,389.8]],"negative_points":[[660,380],[914,381],[787,323],[787,432]],"evidence":"目标是参数行中显示 Γ 和“0.3”的卡片，位于“2.0 ps”卡片右侧、“1.0×10⁻⁴”卡片左侧。边界框覆盖完整卡片表面、边界、符号和值；六个正点分布于符号、数值及卡片内部表面，四个负点位于左右相邻卡片及目标上下方的外部区域。"}},{"name":"Spontaneous-emission parameter card","description":"The rightmost physical-parameter card, showing β and “1.0×10⁻⁴.”","membership":"Include the complete card surface, boundary, symbol, and value.","id":"obj_018","temporal":{"status":"found","start_s":0.75,"end_s":2.0,"reference_s":1.25,"evidence":"目标是“Semiconductor-Laser Rate Equations”章节物理参数行最右侧的卡片，包含β和“1.0×10⁻⁴”。0.75秒首次完整显示卡片表面、边界、符号及数值，1.75秒为最后 qualifying 帧。前一帧0.50秒仍显示五步算法图，尚未出现该卡片；后一帧2.00秒页面已向下滚动，卡片离开画面。选择1.25秒，目标完整清晰，且无遮挡。","start_frame":18,"end_frame":48,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[858.8,340.7,982.6,410.2],"positive_points":[[871,362.5],[887.7,385.2],[958.9,356.5],[963.5,392.6],[928.8,374.1],[867.5,396.3]],"negative_points":[[804.4,378.7],[924.8,314.8],[925.9,436.1],[989.6,451.9]],"evidence":"目标是物理参数行最右侧显示 β 和“1.0×10⁻⁴”的卡片。边界框覆盖完整卡片表面、圆角边界、符号及数值；六个正点分布在文字和卡片表面各处，四个负点位于左侧 Γ 卡片及目标上方、下方和右下方的外部区域。"}},{"name":"Dimensional carrier-density equation panel","description":"The wide rounded panel titled “Dimensional carrier-density rate equation,” displaying dN/dt with injection, recombination, and stimulated-emission terms.","membership":"Include the panel surface and boundary, its heading, and the full displayed equation. Exclude neighboring panels.","id":"obj_019","temporal":{"status":"found","start_s":0.75,"end_s":2.0,"reference_s":1.25,"evidence":"依据标题“Dimensional carrier-density rate equation”和含注入、复合及受激发射项的 dN/dt 方程识别目标圆角面板。首个完整呈现帧为0.75秒，最后一个 qualifying 帧为1.75秒���此前0.50秒仍显示五步算法图，之后2.00秒目标已滚出画面上沿，仅见相邻光子密度方程等内容。选择1.25秒作为关键帧，面板边界、标题和完整方程清楚可见且无遮挡。","start_frame":18,"end_frame":48,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[210.6,426.9,983.2,589.8],"positive_points":[[252,451],[518,511],[632,521],[385,548],[824,466],[937,558]],"negative_points":[[517,382],[595,692],[139,438],[715,295]],"evidence":"目标是参数卡片下方、光子密度方程面板上方的宽圆角面板，标题为“Dimensional carrier-density rate equation”。边框覆盖完整面板表面、标题及 dN/dt 方程；正点分布在标题、方程和面板表面，负点位于上方参数卡片、下方相邻面板、左侧导航及上方说明文字。"}},{"name":"Dimensional photon-density equation panel","description":"The panel titled “Dimensional photon-density rate equation,” displaying dS/dt with gain, photon-loss, and spontaneous-emission terms.","membership":"Include the panel surface and boundary, heading, and full displayed equation.","id":"obj_020","temporal":{"status":"found","start_s":0.75,"end_s":2.25,"reference_s":1.25,"evidence":"根据标题“Dimensional photon-density rate equation”和包含增益、光子损耗及自发辐射项的 dS/dt 方程识别面板。首个合格帧为 0.75 秒，末个为 2.00 秒，面板边界、标题和完整方程均已出现；此前 0.50 秒仍显示五步算法流程图，此后 2.25 秒该面板已滚出画面。选择 1.25 秒作为关键帧，面板完整清晰，且未被底部字幕遮挡。","start_frame":18,"end_frame":54,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[210.6,600,983.2,763],"positive_points":[[295,625],[514,689],[677,691],[839,647],[869,731],[309,722]],"negative_points":[[606,515],[335,800],[104,574],[752,381]],"evidence":"根据标题“Dimensional photon-density rate equation”及包含增益、光子损耗和自发辐射项的 dS/dt 方程定位。边界框覆盖完整圆角面板的表面、边界、标题和公式；正点分布在标题、公式及面板表面，负点位于上方载流子方程、下方阈值面板、左侧导航和上方参数卡片。"}},{"name":"Laser threshold equations panel","description":"The panel headed “Threshold quantities obtained by balancing gain and cavity loss,” containing expressions for Nₜₕ and Iₜₕ.","membership":"Include the complete panel, heading, and both threshold expressions. Exclude subtitles crossing it.","id":"obj_021","temporal":{"status":"found","start_s":1.0,"end_s":2.25,"reference_s":2.0,"evidence":"通过标题“Threshold quantities obtained by balancing gain and cavity loss”及 Nₜₕ、Iₜₕ 两个表达式识别面板。首个完整呈现帧为1.00秒，最后合格帧为2.00秒；此前0.75秒面板仍被画面下边界裁切，此后2.25秒已向上滚动并被上边界裁切。选择2.00秒作关键帧，面板边界、标题及两个公式完整清晰，且没有字幕遮挡。","start_frame":24,"end_frame":54,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[211,308,983,473],"positive_points":[[327,334],[516,402],[661,403],[239,432],[815,364],[944,445]],"negative_points":[[591,226],[353,592],[112,440],[201,389]],"evidence":"根据标题“Threshold quantities obtained by balancing gain and cavity loss”及 Nₜₕ、Iₜₕ 两个表达式定位。边界框覆盖完整面板、标题和公式；正点分布在标题、两个公式及面板表面，负点位于上方公式面板、下方章节标题、左侧导航和面板外侧。"}},{"name":"Nondimensionalization introduction","description":"The heading “Nondimensionalization” and explanatory paragraph about scaling the physical quantities and applying a logarithmic intensity transform.","membership":"Include the section number, heading, and paragraph as a text block. Exclude the equation panels beneath it.","id":"obj_022","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.75,"evidence":"目标为编号03、标题“Nondimensionalization”及其下方关于物理量无量纲化和对数强度变换的说明段落，不含公式面板。首个合格帧为2.25秒，最后为3.00秒；前一帧2.00秒中文字仍在淡入，后一帧3.25秒该文本块已滚出画面。选择2.75秒作为关键帧，文本完整清晰，无字幕遮挡。","start_frame":54,"end_frame":78,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[210.6,207.4,924.8,349.1],"positive_points":[[214.7,232.4],[233.2,223.1],[432.9,225.9],[378.5,280.6],[504.1,309.3],[719.3,339.8]],"negative_points":[[303.8,394.4],[595.5,463.9],[112.8,440.7],[574.1,166.7]],"evidence":"已定位正文中的“Nondimensionalization”引言。边界框覆盖章节号03、标题及下方三行说明文字，不包含其下的方程面板。六个正点分布在章节号、标题和各行正文的字形上；负点位于下方方程面板、左侧导航及上方空白区域。"}},{"name":"Dimensionless variables panel","description":"The panel titled “Four fundamental dimensionless variables,” defining τ, n, s, and i as normalized physical quantities.","membership":"Include the panel surface, boundary, heading, and all four variable definitions.","id":"obj_023","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.75,"evidence":"目标是 Nondimensionalization 节中标题为“Four fundamental dimensionless variables”的面板，包含 τ、n、s、i 四项归一化定义。首个合格帧为 2.25 秒，最后为 3.00 秒，面板表面、边界及内容均完整可见；此前 2.00 秒仍处于淡入揭示阶段，此后 3.25 秒已滚出画面，仅剩下方其他面板。选择 2.75 秒作为关键帧，目标完整清晰且无遮挡。","start_frame":54,"end_frame":78,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[210.6,370.4,982.6,530.6],"positive_points":[[293,394.4],[495,464.8],[564,463.9],[632,464.8],[697,463.9],[891,489.8]],"negative_points":[[560,309.3],[595,625],[112,440],[601,790]],"evidence":"根据标题“Four fundamental dimensionless variables”及 τ、n、s、i 的四个归一化定义定位。边界框覆盖该圆角面板的表面、边界、标题和全部公式；正点分布于标题、四个定义及右侧面板表面，负点位于上方正文、左侧导航和下方其他公式面板。"}},{"name":"Logarithmic intensity transformation panel","description":"The panel defining q = ln(s + ε), its inverse transformation, and ε = 10⁻¹².","membership":"Include the complete panel, its heading, and all displayed expressions.","id":"obj_024","temporal":{"status":"found","start_s":2.25,"end_s":3.5,"reference_s":2.75,"evidence":"通过标题“Logarithmic intensity transformation”及公式 q = ln(s + ε)、s = e^q − ε、ε = 10⁻¹² 确认目标。首个完整呈现帧为 2.25 秒，最后合格帧为 3.25 秒。此前 2.00 秒面板仍被画面下边缘裁切；之后 3.50 秒面板已滚出画面。选择 2.75 秒作为关键帧，面板边界、标题及全部公式清晰完整，无遮挡。","start_frame":54,"end_frame":84,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[211,542,983,685],"positive_points":[[288,566],[520,627],[606,626],[683,624],[258,634],[912,600]],"negative_points":[[596,465],[588,791],[104,440],[548,337]],"evidence":"根据标题“Logarithmic intensity transformation”和 q = ln(s + ε)、逆变换及 ε = 10⁻¹² 确认目标。边界框覆盖完整圆角面板、标题和全部公式；正点分布于标题、公式及面板表面，负点位于上下相邻公式面板、左侧导航和上方正文。"}},{"name":"Dimensionless state-PINN equations panel","description":"The panel headed “Dimensionless equations enforced by the state PINN,” containing the coupled equations for dn/dτ and dq/dτ.","membership":"Include the panel surface and boundary, heading, and both equations.","id":"obj_025","temporal":{"status":"found","start_s":2.25,"end_s":3.5,"reference_s":3.0,"evidence":"根据标题“Dimensionless equations enforced by the state PINN”及并列的 dn/dτ、dq/dτ 耦合方程识别目标。2.25秒首次完整显示面板表面、边界、标题和两条方程，3.25秒为最后一个 qualifying 完整帧；之前的2.00秒尚未显示该面板，之后的3.50秒已滚出画面。选择3.00秒作为关键帧，面板完整清晰且无字幕遮挡。","start_frame":54,"end_frame":84,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[210.6,696.3,982.6,856.5],"positive_points":[[315.4,720.4],[502.9,787],[683.4,785.2],[867.5,733.3],[267.4,830.6],[897,828.7]],"negative_points":[[317.1,567.6],[657.4,626.9],[329.9,894.4],[106.5,508.3]],"evidence":"目标是页面下方标题为“Dimensionless equations enforced by the state PINN”的圆角面板。边界框覆盖面板表面、边界、标题及 dn/dτ 和 dq/dτ 两个方程；正点分布于标题、两式及面板各处表面，负点位于上方对数变换面板、下方推导链接和左侧导航栏。"}},{"name":"Complete nondimensionalization derivation link","description":"The standalone link “Read the Complete Nondimensionalization Derivation,” followed by a right-pointing arrow below the dimensionless equations.","membership":"Include the link's bounded clickable surface, label, and arrow. Exclude the explanatory note underneath.","id":"obj_026","temporal":{"status":"found","start_s":2.25,"end_s":3.5,"reference_s":3.0,"evidence":"目标是无量纲方程下方带右箭头的独立按钮式链接“Read the Complete Nondimensionalization Derivation”，不含下方说明。首个合格帧为2.25秒，末个为3.25秒；2.00秒尚未看到该链接，3.50秒链接已随滚动离开画面，仅剩其下方说明。选择3.00秒作为关键帧，链接边界、文字和箭头完整清晰且无遮挡。","start_frame":54,"end_frame":84,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[210,872,442,915],"positive_points":[[225,895],[268,882],[308,895],[358,905],[399,894],[428,893]],"negative_points":[[327,845],[461,894],[295,940],[193,891]],"evidence":"目标位于无量纲方程下方，是带右箭头的“Read the Complete Nondimensionalization Derivation”独立链接。边界框覆盖完整可点击底面、文字和箭头，不含下方说明。正点分布在链接底面、标签和箭头上；负点位于上方方程区域、左右外部背景及下方说明区域。"}},{"name":"Nondimensionalization derivation note","description":"The sentence explaining that the dedicated page follows Section 2.2 and retains intermediate variables and constant definitions.","membership":"Include the sentence text only. Exclude the blue accent line, background tint, and link above.","id":"obj_027","temporal":{"status":"found","start_s":3.25,"end_s":4.25,"reference_s":3.25,"evidence":"目标是说明专用页面遵循 Section 2.2 推导顺序，并保留所有中间变量及常量定义的英文句子，仅计文字。首次完整可见于3.25秒，最后完整可见于4.00秒；前一帧3.00秒文字仍被视口底边裁切，后一帧4.25秒已滚出视口上方。选择3.25秒作为关键帧，句子完整清晰且无遮挡。","start_frame":78,"end_frame":102,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[221.7,495.4,731.5,509.8],"positive_points":[[232.6,502.3],[292.2,503.2],[378.5,502.3],[480.3,503.2],[590.3,502.3],[707.8,503.2]],"negative_points":[[211.8,501.9],[319.4,441.7],[520.8,476.9],[480.3,538.9]],"evidence":"目标是链接下方说明专页遵循 Section 2.2 并保留中间变量和常量定义的英文句子。边界框仅覆盖整句文字，六个正点分布在句子各段字形上；负点位于左侧蓝色竖线、上方链接及句外背景，均不包含在目标中。"}},{"name":"Dual-network architecture introduction","description":"The heading “Dual-Network Architecture and Full Matrices” and paragraph explaining the time input, eight-layer state network, frozen states, and separate current-correction network.","membership":"Include the section number, heading, and introductory paragraph. Exclude the architecture cards and formulas below.","id":"obj_028","temporal":{"status":"found","start_s":3.5,"end_s":4.5,"reference_s":4.0,"evidence":"通过节号04、标题“Dual-Network Architecture and Full Matrices”及介绍时间输入、八层状态网络、冻结状态和独立电流修正网络的段落识别目标，不含下方卡片和公式。首个完整呈现帧为3.50秒，最后合格帧为4.25秒；3.25秒时该区域仍处于模糊淡入，4.50秒时标题和介绍已随滚动移出画面。选择4.00秒为关键帧，标题及整段正文清晰完整、无遮挡。","start_frame":84,"end_frame":108,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[210.6,207.4,935.2,377],"positive_points":[[214.1,232.4],[396,223.1],[511,278.7],[717.6,309.3],[376.2,339.8],[225.7,369.4]],"negative_points":[[312.5,445.4],[629.6,445.4],[599,579],[99,446]],"evidence":"通过标题“Dual-Network Architecture and Full Matrices”及其下方介绍双网络的段落定位。框包含编号04、完整标题和四行引言；六个正点分布在编号、标题及各行正文的字形上。负点位于下方架构卡片、公式及左侧导航，均不属于目标。"}},{"name":"State-network matrices summary","description":"The architecture card labeled “STATE-NETWORK MATRICES,” showing “1→128×8→3; 116,227 parameters.”","membership":"Include the complete card, label, architecture, and parameter count.","id":"obj_029","temporal":{"status":"found","start_s":3.5,"end_s":4.5,"reference_s":4.0,"evidence":"目标是双网络架构章节中标有“STATE-NETWORK MATRICES”的完整卡片，内容为“1→128×8→3; 116,227 parameters”。首个合格帧为3.50秒，最后为4.25秒；3.25秒时卡片尚未显示，4.50秒时已随页面滚动离开画面。选择4.00秒作为关键帧，卡片边界及全部文字清楚可见，无字幕遮挡。","start_frame":84,"end_frame":108,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[211,400,398,470],"positive_points":[[226,422],[310,423],[237,446],[331,446],[383,430],[222,458]],"negative_points":[[307,364],[454,444],[281,511],[193,441]],"evidence":"目标是摘要行最左侧标有“STATE-NETWORK MATRICES”的卡片，内容为“1→128×8→3; 116,227 parameters”。边框覆盖完整卡片及其文字；正点分布于标签、架构和参数文字及卡片表面，负点位于上方说明、右侧另一张卡片、下方公式区域和左侧外部背景。"}},{"name":"Correction-network matrices summary","description":"The architecture card labeled “CORRECTION-NETWORK MATRICES,” showing “1→64×3→1; 8,513 parameters.”","membership":"Include the complete card, label, architecture, and parameter count.","id":"obj_030","temporal":{"status":"found","start_s":3.5,"end_s":4.5,"reference_s":4.0,"evidence":"目标是双网络架构章节中第二张摘要卡，标签为“CORRECTION-NETWORK MATRICES”，内容为“1→64×3→1; 8,513 parameters”。首个合格帧为3.50秒，最后合格帧为4.25秒；3.25秒时该章节仍在显���，目标卡尚未完整建立，4.50秒时目标已随滚动离开画面。选择4.00秒作为关键帧，卡片边界及全部文字清晰完整、无遮挡。","start_frame":84,"end_frame":108,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[405,400,593,470],"positive_points":[[419,422],[485,423],[535,422],[435,445],[511,445],[578,457]],"negative_points":[[345,445],[654,445],[497,376],[491,500]],"evidence":"目标是横排摘要中的第二张卡片，标签为“CORRECTION-NETWORK MATRICES”，下方显示“1→64×3→1; 8,513 parameters”。边界框覆盖完整卡片及其文字；正点分布在标签、架构参数文字和卡片表面，负点位于左右相邻卡片及上下外部区域。"}},{"name":"Hidden activation summary","description":"The architecture card labeled “HIDDEN ACTIVATION,” with the value “tanh.”","membership":"Include the complete card, label, and value.","id":"obj_031","temporal":{"status":"found","start_s":3.5,"end_s":4.5,"reference_s":3.75,"evidence":"目标是“双网络架构”章节摘要行中标有“HIDDEN ACTIVATION”、值为“tanh”的完整卡片。首个合格帧为3.50秒，最后为4.25秒；3.25秒时该卡片尚未显现，4.50秒时已随页面滚动移出画面上边界。选择3.75秒作为关键帧，卡片边界、标签和值清晰且无遮挡。","start_frame":84,"end_frame":108,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[600,401,787,470],"positive_points":[[622,422],[620,445],[699,414],[772,435],[669,458],[742,457]],"negative_points":[[553,440],[839,444],[690,375],[699,497]],"evidence":"目标是摘要行中标有“HIDDEN ACTIVATION”、值为“tanh”的第三张卡片。边界框覆盖完整卡片及其标签、数值；正点分布于文字和卡片表面，负点位于左右相邻卡片及目标上下的外部区域。"}},{"name":"Output constraints summary","description":"The architecture card labeled “OUTPUT CONSTRAINTS,” stating “Linear q; softplus for n and i.”","membership":"Include the complete card, label, and constraint description.","id":"obj_032","temporal":{"status":"found","start_s":3.5,"end_s":4.5,"reference_s":4.0,"evidence":"目标是“双网络架构”部分最右侧的摘要卡，标签为“OUTPUT CONSTRAINTS”，内容为“Linear q; softplus for n and i”。首个完整可见帧为3.50秒，最后一个为4.25秒；此前3.25秒该部分尚未完成显现，之后4.50秒卡片已随页面滚动离开画面。选择4.00秒作为关键帧，卡片边界、标签和说明完整清晰，无遮挡。","start_frame":84,"end_frame":108,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[795,401,983,470],"positive_points":[[811,422],[861,422],[813,445],[906,445],[970,426],[950,458]],"negative_points":[[732,444],[885,370],[990,486],[895,514]],"evidence":"目标是摘要行最右侧标有“OUTPUT CONSTRAINTS”的卡片，正文为“Linear q; softplus for n and i”。框覆盖完整卡片及其文字；正点分布在标题、约束描述和卡片表面，负点位于左侧相邻卡片、上方正文及卡片外部背景。"}},{"name":"Normalized time mapping panel","description":"The panel headed “Map dimensionless time to [-1,1],” displaying the affine conversion from τ to x.","membership":"Include the complete panel surface and boundary, heading, and equation.","id":"obj_033","temporal":{"status":"found","start_s":3.5,"end_s":4.75,"reference_s":4.0,"evidence":"根据标题“Map dimensionless time to [-1,1]”及 τ 到 x 的仿射转换公式识别目标。3.50 秒首次完整显示面板表面、边界、标题和公式，4.50 秒为最后一个完整帧；此前 3.25 秒该面板尚未完整显现，随后 4.75 秒面板上部及标题已被画面上沿裁切。选择 4.00 秒作为关键帧，面板完整清晰且无遮挡。","start_frame":84,"end_frame":114,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[210.6,486.1,982.6,645.4],"positive_points":[[280.1,511.1],[554.4,578.7],[635.4,578.7],[266.2,604.6],[920.1,522.2],[891.2,613.0]],"negative_points":[[694.4,444.4],[463.0,684.3],[98.4,555.6],[434.0,363.0]],"evidence":"目标是页面中部标题为“Map dimensionless time to [-1,1]”的圆角面板，内含从τ到x的仿射转换公式。边界框覆盖完整面板表面、边界、标题和公式；正点分布于标题、公式及面板各处，负点位于上方信息卡、下方网络层面板、左侧导航和上方正文。"}},{"name":"State-network first-layer panel","description":"The panel titled “State network Layer 1: expand scalar time into 128 features,” with expanded weight and bias columns and a tanh activation.","membership":"Include the entire panel, heading, matrix expressions, dimension annotations, and activation equation.","id":"obj_034","temporal":{"status":"found","start_s":3.75,"end_s":5.25,"reference_s":4.5,"evidence":"通过标题“State network Layer 1: expand scalar time into 128 features”、权重与偏置列向量、维度标注及 tanh 激活式识别目标。首次完整出现为3.75秒，最后完整帧为5.00秒；此前3.50秒面板底部仍被视口裁切，此后5.25秒已滚出画面，顶部显示后续 Layers 2–8 面板。选择4.50秒作为关键帧，此时目标面板完整清晰，且无字幕遮挡。","start_frame":90,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[211,279,983,569],"positive_points":[[322,305],[503,434],[567,444],[677,435],[496,509],[841,501]],"negative_points":[[597,202],[332,610],[102,448],[623,841]],"evidence":"根据标题“State network Layer 1: expand scalar time into 128 features”及权重、偏置列向量和 tanh 公式定位。框覆盖完整第一层面板，包括标题、矩阵、维度标注、激活公式与面板背景。正点分布于这些内容及面板表面；负点位于上方时间映射面板、下方多层网络面板、左侧导航和粉色字幕。"}},{"name":"State-network hidden-layers panel","description":"The panel for “State network Layers 2–8,” showing the expanded 128×128 feature-mixing matrix and tanh recurrence.","membership":"Include the panel surface, boundary, heading, complete matrix display, layer indices, and activation expression.","id":"obj_035","temporal":{"status":"found","start_s":4.5,"end_s":5.25,"reference_s":4.75,"evidence":"根据标题“State network Layers 2–8: complete 128×128 feature mixing at every layer”及展开矩阵、ℓ=2,…,8 和 tanh 递推式识别目标。4.50秒首次完整呈现面板，5.00秒为最后合格帧；4.25秒仅在画面底部露出标题，面板尚未完整进入，5.25秒面板已从顶部离开并被裁切。选择4.75秒作为关键帧，面板边界、标题和完整公式清晰，遮挡较少。","start_frame":108,"end_frame":126,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[211,493,982,788],"positive_points":[[347,518],[529,642],[469,727],[752,648],[897,546],[286,699]],"negative_points":[[584,344],[104,446],[828,892],[195,641]],"evidence":"根据“State network Layers 2–8”标题及展开的128×128矩阵、层索引和tanh递推式定位。框覆盖整个中部面板的表面、边界、标题与公式；正点分布在标题、矩阵、激活式、层索引和面板空白表面，负点位于上下面板、左侧导航及面板外侧间隔。"}},{"name":"State-network output-layer panel","description":"The panel explaining how 128 features are read into q, n, and i, with a three-row output weight matrix and bias vector.","membership":"Include the complete panel, heading, matrices, vectors, and dimension annotation.","id":"obj_036","temporal":{"status":"found","start_s":5.25,"end_s":6.5,"reference_s":5.75,"evidence":"依据标题“State-network output layer: read 128 features into the three physical variables q, n, and i”及三行输出权重矩阵、偏置向量和维度标注识别目标。5.25秒首次完整显示面板，6.25秒为最后完整帧；此前5.00秒面板下部仍被画面底边裁切，此后6.50秒面板已随滚动移出上方。选择5.75秒作为关键帧，面板边界及公式清晰，且不受粉色字幕遮挡。","start_frame":126,"end_frame":156,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[211,238,983,491],"positive_points":[[270,263],[483,323],[522,391],[608,389],[720,392],[890,444]],"negative_points":[[588,200],[295,527],[105,447],[992,323]],"evidence":"目标是标题为“State-network output layer: read 128 features into the three physical variables q, n, and i”的圆角面板。框覆盖完整面板表面、标题、三行权重矩阵、向量及维度标注；正点分布在标题、公式、矩阵向量、维度标注和右下表面，负点位于上下面板、左侧导航及右侧外部区域。"}},{"name":"State-network output constraints panel","description":"The panel titled “Complete state-network output constraints,” showing the mapping that leaves q linear and applies softplus to n and i.","membership":"Include the panel surface and boundary, heading, vector mapping, and softplus definition.","id":"obj_037","temporal":{"status":"found","start_s":5.25,"end_s":6.5,"reference_s":6.25,"evidence":"通过标题“Complete state-network output constraints”及 q 保持线性、n 和 i 应用 softplus 的向量映射与定义确认目标。首个完整呈现帧为 5.25 秒，最后为 6.25 秒；前一帧 5.00 秒仍显示上方网络层，目标尚未完整进入画面，后一帧 6.50 秒目标已向上离开并被视口顶部裁切。选择 6.25 秒为关键帧，因为面板边界、标题和公式完整清晰，且没有粉色字幕遮挡。","start_frame":126,"end_frame":156,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[211,502,983,688],"positive_points":[[297,527],[457,605],[532,617],[710,608],[863,547],[283,652]],"negative_points":[[794,436],[636,809],[188,601],[104,449]],"evidence":"依据标题“Complete state-network output constraints”及保持 q 线性、对 n 和 i 应用 softplus 的向量映射定位。边界框覆盖完整面板表面、边界、标题、映射公式和 softplus 定义。正点分布于标题、公式及面板表面；负点位于上下面板、左侧外部背景和侧栏。"}},{"name":"State-network composite mapping panel","description":"The panel headed “Complete composite mapping from time to the three physical outputs,” containing a boxed nested expression for q, n, and i.","membership":"Include the complete panel, its heading, the formula box and enclosed expression. Exclude overlaid subtitles.","id":"obj_038","temporal":{"status":"found","start_s":5.5,"end_s":7.25,"reference_s":6.5,"evidence":"通过标题“Complete composite mapping from time to the three physical outputs”及框内 q、n、i 的嵌套表达式识别目标。5.50 秒首次完整显示面板，7.00 秒为最后完整显示帧；此前 5.25 秒面板下边界仍被画面底部裁切，之后 7.25 秒面板已随滚动离开画面。选择 6.50 秒作为关键帧，面板边界、标题和公式清晰完整，且无字幕遮挡。","start_frame":132,"end_frame":174,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[211,232,983,429],"positive_points":[[308,255],[388,341],[579,342],[804,343],[266,373],[920,299]],"negative_points":[[626,179],[338,465],[104,443],[742,682]],"evidence":"根据标题“Complete composite mapping from time to the three physical outputs”及框内 q、n、i 的嵌套表达式定位。边界框覆盖完整面板、标题和公式框；正点分布在标题、公式及面板表面，负点位于上方其他公式面板、下方校正网络面板和左侧导航区域。"}},{"name":"Correction-network first-layer panel","description":"The panel titled “Correction network Layer 1: expand scalar time into 64 features,” displaying weight and bias columns and tanh activation.","membership":"Include the panel surface and boundary, heading, matrix expressions, dimension annotation, and activation equation.","id":"obj_039","temporal":{"status":"found","start_s":6.5,"end_s":7.25,"reference_s":6.75,"evidence":"根据标题“Correction network Layer 1: expand scalar time into 64 features”及权重、偏置列矩阵、维度标注和 tanh 激活公式识别目标。6.50 秒首次完整显示面板，7.00 秒为最后一个完整显示帧；此前 6.25 秒仅在画面底部露出标题，随后 7.25 秒面板上部已被画面顶部裁切。选择 6.75 秒，面板边界与全部公式清晰可见，无遮挡。","start_frame":156,"end_frame":174,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[211,346,983,640],"positive_points":[[361,370],[538,500],[596,508],[667,501],[528,576],[839,541]],"negative_points":[[601,250],[595,795],[104,449],[373,161]],"evidence":"根据标题“Correction network Layer 1: expand scalar time into 64 features”及权重、偏置列和 tanh 激活公式确定目标。边界框覆盖整个第一层面板的表面、圆角边界、标题及全部公式。正点分布在标题、矩阵、维度标注、激活公式和右侧面板表面；负点位于上下面板及左侧导航等外部对象。"}},{"name":"Correction-network hidden-layers panel","description":"The panel for “Correction network Layers 2–3,” with an expanded 64×64 feature-mixing matrix and tanh recurrence.","membership":"Include the complete panel, heading, matrix display, layer indices, and activation expression.","id":"obj_040","temporal":{"status":"found","start_s":6.75,"end_s":8.0,"reference_s":7.25,"evidence":"通过标题“Correction network Layers 2–3: complete 64×64 feature mixing”、展开的矩阵、层索引 ℓ=2,3 和 tanh 递推式识别目标。首个完整帧为6.75秒，最后完整帧为7.75秒；此前6.50秒面板下部仍被画面底边截断，此后8.00秒已切换为预测结果图弹窗。选择7.25秒作为关键帧，面板完整清晰且无遮挡。","start_frame":162,"end_frame":192,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[211.2,319.4,982.1,617.6],"positive_points":[[332,343],[495,402],[538,470],[683,479],[521,552],[862,573]],"negative_points":[[537,239],[103,447],[355,651],[601,778]],"evidence":"根据“Correction network Layers 2–3: complete 64×64 feature mixing”标题及展开矩阵、ℓ=2,3 和 tanh 递推式定位。框覆盖完整面板及其背景、标题和公式。正点分布于标题、矩阵、层索引、激活式及面板表面；负点位于上方公式、左侧导航和下方输出层面板。"}},{"name":"Correction-network output-layer panel","description":"The panel describing how 64 features produce a nonnegative current, with a row weight vector and the softplus expression for corrected current.","membership":"Include the complete panel, heading, weight and feature vectors, bias, dimension annotation, and current expression.","id":"obj_041","temporal":{"status":"found","start_s":7.25,"end_s":8.0,"reference_s":7.5,"evidence":"通过标题“Correction-network output layer: read 64 features into a nonnegative current”、行权重向量、特征列向量、偏置、维度标注及 corrected current 的 softplus 表达式确认目标。首个完整呈现帧为7.25秒，最后 qualifying 帧为7.75秒；此前7.00秒���显示上方网络层面板，目标尚未完整进入画面，之后8.00秒被图表查看浮层替代。选择7.50秒，面板边界和公式完整清晰且无遮挡。","start_frame":174,"end_frame":192,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[211.2,396.3,982.6,677.8],"positive_points":[[348,422],[507,481],[540,551],[618,586],[721,549],[519,620]],"negative_points":[[104,448],[575,242],[593,783],[861,110]],"evidence":"通过“Correction-network output layer: read 64 features into a nonnegative current”标题及行权重向量、softplus公式定位。边界框覆盖整个中部面板，包括面板背景、标题、权重与特征向量、偏置、维度标注和修正电流表达式。正点分布于标题及各公式部分，负点位于左侧导航、上方网络层面板、下方复合映射面板及顶部按钮。"}},{"name":"Correction-network composite mapping panel","description":"The panel headed “Complete 1→64→64→64→1 composite mapping of the current-correction network,” containing a boxed nested tanh and softplus formula.","membership":"Include the panel surface and boundary, heading, formula box, and its enclosed expression.","id":"obj_042","temporal":{"status":"found","start_s":7.5,"end_s":8.0,"reference_s":7.75,"evidence":"根据标题“Complete 1→64→64→64→1 composite mapping of the current-correction network”及框内嵌套 tanh、softplus 公式识别目标。首个完整帧为7.50秒，最后完整帧为7.75秒；此前7.25秒仅在画面底部露出标题，面板尚未完整进入画面，之后8.00秒已切换为图表弹窗，目标不再可见。选择7.75秒，面板边界、标题和公式框完整清晰且无遮挡。","start_frame":180,"end_frame":192,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[211,689,983,854],"positive_points":[[284,713],[495,713],[386,783],[599,783],[801,785],[945,821]],"negative_points":[[586,652],[794,901],[156,744],[184,821]],"evidence":"根据标题“Complete 1→64→64→64→1 composite mapping of the current-correction network”和框内嵌套 tanh、softplus 公式识别目标。边界框覆盖整块面板的表面、边界、标题及公式框。正点分布于标题、公式和面板表面；负点位于上方输出层面板、下方流程图及左侧外部背景。"}},{"name":"Stage 1 parabolic-current prediction chart","description":"The “ONNX Prediction Comparison” figure first displayed enlarged on a dark viewer and later in the left column of the results grid. Four stacked plots compare original and predicted q, s, n, and a U-shaped current; the current prediction has visible local deviations.","membership":"Include the complete chart image, white background, four plot frames, axes, legends, titles, and curves. Exclude the dark viewer, external captions, and viewer controls.","id":"obj_043","temporal":{"status":"found","start_s":8.0,"end_s":9.75,"reference_s":8.5,"evidence":"目标是白底“ONNX Prediction Comparison”图，包含 q、s、n 和 U 形电流的四层对比曲线，底层预测电流有局部偏差。首次完整出现于 8.00 秒，最后符合条件的帧为 9.50 秒；此前 7.75 秒仍是网络矩阵公式，之后 9.75 秒放大图随查看器关闭开始淡出，露出结果网格。选择 8.50 秒作为关键帧，图像完整清晰、无遮挡，便于独立标注。","start_frame":192,"end_frame":234,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[317.7,260.2,682.9,791.7],"positive_points":[[428,300],[617,333],[449,457],[479,580],[557,686],[637,744]],"negative_points":[[280,500],[727,597],[502,919],[919,111]],"evidence":"目标是深色查看器中央的“ONNX Prediction Comparison”图，含 q、s、n 和 U 形电流四层对比曲线，电流预测有局部偏离。边界框紧贴完整白底图像，包含标题、坐标轴、图例及曲线；正点分布于各层绘图区和图例，负点位于外部深色背景、底部说明文字及右上查看器控件。"}},{"name":"Stage 1 parabolic-result caption","description":"The caption “Stage 1: q, s, and n are fitted well, but the inferred current still deviates from the reference,” presented beneath the enlarged chart and then beneath its grid image.","membership":"Include the figure-caption text only. Exclude the chart, card background, and the separate copy in the viewer toolbar.","id":"obj_044","temporal":{"status":"found","start_s":8.0,"end_s":9.75,"reference_s":9.0,"evidence":"目标为放大图表下方的“Stage 1: q, s, and n are fitted well, but the inferred current still deviates from the reference.”图注，不含顶部工具栏副本。8.00秒首次完整出现，9.50秒仍完整可见；前一帧7.75秒显示网络公式，无此图注，后一帧9.75秒放大查看器开始淡出并返回网格。选择9.00秒，底部图注清晰且无遮挡。","start_frame":192,"end_frame":234,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[347.2,912.0,653.0,924.1],"positive_points":[[353.6,917.6],[414.4,916.7],[457.2,918.5],[516.8,917.6],[578.1,916.7],[636.6,918.5]],"negative_points":[[463.0,111.1],[508.1,708.3],[500.0,879.6],[500.0,944.4]],"evidence":"目标是放大图表下方居中的 Stage 1 说明文字，边界框仅覆盖该整行图注。六个正点分布在文字不同位置的字形上；负点位于顶部工具栏的重复说明、图表内部及图注上下的外部背景，均不属于目标。"}},{"name":"Parabolic-current forward-simulation chart","description":"The upper-left results figure titled “Forward Solution by RK4,” showing a U-shaped current above carrier-density and spiking photon-density plots.","membership":"Include the complete three-plot chart image, its background, axes, legends, titles, and curves. Exclude its external caption and image-opening control.","id":"obj_045","temporal":{"status":"found","start_s":10.0,"end_s":11.0,"reference_s":10.25,"evidence":"目标是结果区左上角题为“Forward Solution by RK4”的三联图：上方为U形电流，中间为载流子密度，下方为尖峰光子密度。首个合格帧为10.00秒，最后为10.75秒；此前9.75秒仍处于关闭放大图后的半透明遮罩退场、图表未完全揭示状态，之后11.00秒图表随滚动离开上边界并被裁切。10.25秒完整图像清晰可见，便于排除外部说明文字和打开图片控件。","start_frame":240,"end_frame":264,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[271.4,141.7,532.4,475],"positive_points":[[406,152],[401,237],[318,302],[477,270],[351,382],[464,432]],"negative_points":[[548,450],[383,502],[789,303],[246,324]],"evidence":"目标是左上方标题为“Forward Solution by RK4”的三联图，上层电流呈U形，下层有光子密度尖峰。框覆盖完整图像背景、标题、坐标轴、图例和曲线，不包含外部说明文字及打开原图控件。正点分布于标题和三层绘图区；负点位于打开原图控件、下方说明、右侧另一图及左侧外部背景。"}},{"name":"Parabolic forward-simulation caption","description":"The caption beginning “Parabolic current,” explaining that photon spikes and damped oscillations appear after carrier density crosses threshold.","membership":"Include the caption text only. Exclude its chart and surrounding card surface.","id":"obj_046","temporal":{"status":"found","start_s":10.0,"end_s":11.75,"reference_s":10.25,"evidence":"目标是左侧抛物线正向仿真图下方以“Parabolic current:”开头、说明载流子密度越过阈值后出现光子尖峰和阻尼振荡的两行图注。首个合格帧为10.00秒，最后为11.50秒；9.75秒仍有关闭中的深色预览遮罩，图注尚未完全显露，11.75秒新的图像预览已将其遮住。10.25秒图注完整清晰且无遮挡，适合作为空间标注关键帧。","start_frame":240,"end_frame":282,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[220.5,491.7,555.6,523.1],"positive_points":[[230.9,497.2],[293.4,497.2],[374.4,497.2],[464.7,497.2],[537.6,497.2],[237.3,517.6]],"negative_points":[[402.8,421.3],[393.5,537.0],[202.0,498.0],[680.0,497.2]],"evidence":"目标是左上方抛物线电流图下以“Parabolic current:”开头的两行说明。边界框仅覆盖完整说明文字，包括第二行“threshold.”；六个正点分布于两行文字笔画上，负点位于上方图表、框外卡片表面、左侧背景及右侧另一幅图的说明文字上。"}},{"name":"Sinusoidal-current forward-simulation chart","description":"The upper-right “Forward Solution by RK4” figure, with a single-cycle sinusoidal current above carrier-density and photon-density plots.","membership":"Include the complete three-plot chart image, background, axes, legends, titles, and curves. Exclude the external caption and image-opening control.","id":"obj_047","temporal":{"status":"found","start_s":10.0,"end_s":11.0,"reference_s":10.25,"evidence":"目标是右上方标题为“Forward Solution by RK4”的三联图：上图为单周期正弦电流，下方依次为载流子密度和光子密度。10.00秒首次完整清晰呈现，10.75秒为最后完整帧；9.75秒仍处于前一放大图关闭后的遮罩淡出、页面显露过渡，11.00秒目标上部已随滚动被画面边界裁切。选择10.25秒，整张图背景、标题、坐标轴和曲线清楚，便于排除外部说明及打开图像控件。","start_frame":240,"end_frame":264,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[659.1,140.7,924.8,475.0],"positive_points":[[741.9,160.9],[896.4,203.7],[696.8,313.0],[820.0,271.3],[744.2,411.1],[878.5,443.5]],"negative_points":[[745.4,498.1],[939.8,449.8],[625.0,319.4],[403.9,204.6]],"evidence":"目标是右上方标题为“Forward Solution by RK4”的三联图，顶部电流呈单周期正弦变化。边界框覆盖完整图像背景、标题、坐标轴、图例及三条子图区域，不包含下方说明文字和右下方打开原图控件。六个正点分布在三幅子图内，负点位于外部说明、打开控件、卡片空白及左侧另一张图。"}},{"name":"Sinusoidal forward-simulation caption","description":"The sentence “Carrier and photon dynamics under a single-cycle sinusoidal current” beneath the right-hand forward-simulation figure.","membership":"Include the caption text only. Exclude the figure and card background.","id":"obj_048","temporal":{"status":"found","start_s":10.0,"end_s":11.75,"reference_s":10.25,"evidence":"目标是右侧正向仿真图下方的英文说明“Carrier and photon dynamics under a single-cycle sinusoidal current”，仅计文字。首个合格帧为10.00秒，9.75秒仍处于关闭大图后的淡入过渡；最后合格帧为11.50秒，滚动后文字仍在画面上方，右端有悬浮按钮遮挡。11.75秒新的大图弹层将其遮住，该次出现结束。选10.25秒作为关键帧，说明文字完整清晰，且与右侧图表关系明确。","start_frame":240,"end_frame":282,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[609.9,491.7,849.5,504.6],"positive_points":[[618.1,497.2],[658.6,497.2],[693.3,499.1],[731.5,497.2],[792.2,497.2],[837.4,498.1]],"negative_points":[[717.6,527.8],[784.1,416.7],[503.5,498.1],[939.8,499.1]],"evidence":"目标是右上方正弦电流前向仿真图下的英文说明句。边界框仅覆盖整句文字；六个正点分布在句中不同单词的字形上，负点位于下方卡片空白、上方图表、左侧另一条说明及右侧背景，均不属于目标文字。"}},{"name":"Stage 1 sinusoidal-current prediction chart","description":"The right-hand “ONNX Prediction Comparison” figure with four stacked plots for q, s, n, and sinusoidal current, comparing original and predicted trajectories.","membership":"Include the entire chart image, white background, plot frames, axes, legends, title, and curves. Exclude its external caption and image-opening control.","id":"obj_049","temporal":{"status":"found","start_s":10.0,"end_s":11.75,"reference_s":11.5,"evidence":"目标是右栏标题为“ONNX Prediction Comparison”的白底四层图，依次比较 q、s、n 和正弦形电流的原始与预测轨迹。首个合格帧为10.00秒，最后为11.50秒，整张图均完整可见；前一帧9.75秒仍处于上一张图预览关闭的淡化过渡中，后一帧11.75秒已被Stage 2单幅电流图预览替代。选择11.50秒，目标完整清晰，且与左侧抛物线电流预测图区分明确。","start_frame":240,"end_frame":282,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[676.5,186.1,907.4,521.3],"positive_points":[[796.9,194.4],[740.2,234.3],[846.1,312],[720.5,380.6],[787,455.6],[884.8,503.7]],"negative_points":[[781.3,541.7],[937.5,494.4],[405.1,305.6],[781.3,694.4]],"evidence":"目标是右侧标题为“ONNX Prediction Comparison”的四层图，依次展示 q、s、n 和正弦电流。边界框紧贴完整白色图像，包含标题、坐标轴、图例和曲线，不含下方说明文字及右侧“View original”控件。六个正点分布于标题和各层绘图区；负点位于外部说明、打开控件、左侧相似图和下方另一张图。"}},{"name":"Stage 1 sinusoidal-result caption","description":"The caption stating that the network captures the oscillatory dynamics and the overall sinusoidal current trend.","membership":"Include the caption text only. Exclude the chart and surrounding card surface.","id":"obj_050","temporal":{"status":"found","start_s":10.0,"end_s":11.75,"reference_s":11.25,"evidence":"目标是右侧正弦电流结果图下方的英文说明：“Stage 1: the network captures the oscillatory dynamics and the overall sinusoidal current trend.” 首个合格帧为10.00秒，最后为11.50秒；此前9.75秒仍有弹窗关闭时的半透明遮罩，此后11.75秒新图表弹窗遮住说明。选择11.25秒，文字完整清晰，便于仅标注说明文字而排除图表和卡片。","start_frame":240,"end_frame":282,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[609.9,535.2,939.4,549.1],"positive_points":[[616.3,540.7],[665.5,542.6],[706.0,542.6],[774.3,542.6],[842.6,541.7],[921.9,541.7]],"negative_points":[[778.4,453.7],[766.8,560.2],[469.9,542.6],[810.2,634.3]],"evidence":"目标是右侧中部图表下方以“Stage 1:”开头、描述振荡动力学和整体正弦电流趋势的单行说明。边界框仅覆盖该行文字；六个正点分布在文字各段的字形上，负点位于上方图表、下方卡片空白、左侧另一条说明及下方图表中。"}},{"name":"Stage 2 parabolic-current comparison chart","description":"The lower-left “I Comparison” plot, showing a blue original-current curve and an orange dashed trained-current curve following a parabola.","membership":"Include the complete chart image, background, plot frame, title, axes, legend, and both curves. Exclude the external caption and image-opening control.","id":"obj_051","temporal":{"status":"found","start_s":11.0,"end_s":11.75,"reference_s":11.25,"evidence":"目标是左下方标题为“I Comparison”的白底图表，蓝色原始电流曲线与橙色虚线训练电流曲线呈抛物线并基本重合。首个完整可见帧为11.00秒，最后为11.50秒；前���帧10.75秒尚未显示该图，后一帧11.75秒已切换为正弦电流图的放大弹窗，目标不再可见。选择11.25秒作为关键帧，图表标题、坐标轴、图例及两条曲线均清楚完整，可与外部说明及打开图片控件区分。","start_frame":264,"end_frame":282,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[216.4,602.8,587,902.8],"positive_points":[[412,618],[277,692],[408,850],[546,701],[274,842],[351,732]],"negative_points":[[375,941],[549,894],[790,735],[397,398]],"evidence":"目标是左下方标题为“I Comparison”的抛物线电流对比图。边界框覆盖完整图像背景、标题、坐标轴、绘图区、图例及蓝色和橙色曲线；不将外部说明文字和右下角打开原图控件视为目标。正点分布于标题、曲线、图例及图内背景，负点位于外部说明、打开原图控件和相邻图表。"}},{"name":"Stage 2 parabolic-result caption","description":"The caption stating that the corrected current nearly overlaps the reference parabolic curve.","membership":"Include the caption text only. Exclude the plot and surrounding card surface.","id":"obj_052","temporal":{"status":"found","start_s":11.0,"end_s":11.75,"reference_s":11.25,"evidence":"目标是左侧抛物线电流结果图下方的文字“Stage 2: the corrected current nearly overlaps the reference parabolic curve.”，仅计入字幕文字。首次完整可见于11.00秒，最后合格帧为11.50秒；前一帧10.75秒尚未显示该字幕，后一帧11.75秒已打开正弦结果的弹窗，目标消失。选择11.25秒作为关键帧，文字完整且未被遮挡。","start_frame":264,"end_frame":282,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[220.49,936.11,483.22,948.15],"positive_points":[[226.27,941.67],[276.62,941.67],[309.61,942.59],[357.64,941.67],[409.14,941.67],[469.33,942.59]],"negative_points":[[231.48,833.33],[347.22,922.22],[636.57,941.67],[347.22,974.07]],"evidence":"目标位于左下方抛物线结果图下方，文字为“Stage 2: the corrected current nearly overlaps the reference parabolic curve.”。边界框仅覆盖该行说明文字；六个正点分布在文字不同位置的字形上，负点位于上方图表、卡片空白、右侧说明文字及底部任务栏。"}},{"name":"Stage 2 sinusoidal-current comparison chart","description":"The lower-right “I Comparison” plot, subsequently opened in the dark image viewer and returned to the grid. Blue original and orange dashed trained currents nearly overlap over one sinusoidal cycle.","membership":"Include the complete chart image, background, plot frame, title, axes, legend, and curves through enlargement and return. Exclude the viewer backdrop, controls, and external captions.","id":"obj_053","temporal":{"status":"found","start_s":11.0,"end_s":14.5,"reference_s":12.0,"evidence":"目标是网格右下角标题为“I Comparison”的正弦电流对比图，蓝色原始电流与橙色虚线训练电流几乎重合；随后在深色查看器中放大并返回原网格，保持同一图像。首个完整帧为11.00秒，末个完整帧为14.25秒；10.75秒尚未滚动到该图，14.50秒图像上部已随滚动被画面边界裁切。选择12.00秒为关键帧，图像在查看器中完整、清晰且无遮挡，不包含查看器背景、按钮或外部说明。","start_frame":264,"end_frame":348,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[329.3,389.8,671.3,663.9],"positive_points":[[507.5,401.9],[637.2,426.9],[436.3,421.3],[579.3,618.5],[336.8,522.2],[376.2,578.7]],"negative_points":[[463,111.1],[500,917.6],[260.4,518.5],[740.7,518.5]],"evidence":"目标是深色查看器中央的白底“I Comparison”图，蓝色原始电流与橙色虚线训练电流在一个正弦周期内几乎重合。框覆盖完整图像，包括背景、标题、图框、坐标轴、图例和曲线。正点分布于标题、图例、波峰波谷、纵轴及图内背景；负点位于左右查看器背景和上下外部说明文字，排除查看器及外部字幕。"}},{"name":"Stage 2 sinusoidal-result caption","description":"The caption “Stage 2: both phase and amplitude of the sinusoidal current are recovered consistently,” shown with the grid figure and below its enlarged presentation.","membership":"Include the figure-caption text only. Exclude the chart, background, and separate toolbar copy.","id":"obj_054","temporal":{"status":"found","start_s":11.0,"end_s":13.25,"reference_s":12.0,"evidence":"目标为正弦电流结果图下方的“Stage 2: both phase and amplitude of the sinusoidal current are recovered consistently.”图注，不含顶部工具栏中的副本。11.00秒首次完整可见，随后在放大展示下方持续出现，最后合格帧为13.00秒。此前10.75秒尚未显示该图注；13.25秒返回网格后，图注已落在画面下界之外。选择12.00秒，图注独立、完整且无遮挡，便于标注。","start_frame":264,"end_frame":318,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[352.4,912.0,647.6,924.1],"positive_points":[[356.5,917.6],[395.8,917.6],[449.1,917.6],[506.9,917.6],[560.8,917.6],[635.4,917.6]],"negative_points":[[463.0,111.1],[491.9,518.5],[491.9,884.3],[694.4,917.6]],"evidence":"目标是放大图下方靠近页面底部的“Stage 2: both phase and amplitude…”说明文字，非顶部工具栏中的重复文案。框仅覆盖底部完整文字行；六个正点分布于该行不同位置的字形上，负点位于顶部重复文案、图表和文字外部背景。"}},{"name":"Reproducibility, Export, and Scope text","description":"The final laser-project section heading, explanatory paragraph, and three bullet points discussing separate Excel tables, ONNX export, simulated validation, and numerical differentiation of frozen carrier density.","membership":"Include the section number, heading, paragraph, and bullet-list text. Exclude technology tags, navigation links, and the command panel below.","id":"obj_055","temporal":{"status":"found","start_s":14.75,"end_s":16.0,"reference_s":15.0,"evidence":"目标为激光项目末节的“08 Reproducibility, Export, and Scope”标题、说明段落及三条项目符号文字，内容涉及 Excel 表格、ONNX 导出、模拟验证和冻结载流子密度的数值微分。首个完整呈现帧为14.75秒，最后 qualifying 帧为15.75秒；前一帧14.5秒仍在滚动和淡入，文字尚未完整显现，后一帧16.0秒已切换到 LabFlow AI 页面。选择15.0秒作为关键帧，所需文字完整清晰且无遮挡，不包含下方技术标签、链接或命令面板。","start_frame":354,"end_frame":384,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[210.6,206.5,926,433.3],"positive_points":[[214,232.4],[410.3,225],[457.2,310.2],[372.1,354],[556.7,389.8],[454.3,425]],"negative_points":[[231.5,469.4],[422.5,522.2],[376.2,588],[92.6,442.6]],"evidence":"根据“08 Reproducibility, Export, and Scope”标题及其内容识别目标。框覆盖章节编号、标题、两行说明段落和三条项目符号文本；正点分布在编号、标题、段落及各条目文字上。负点位于下方技术标签、导航链接、命令面板及左侧目录，均不属于目标。"}},{"name":"Laser-project reproduction commands","description":"The dark rounded code panel containing package installation and Python execution commands, including “python 1.py” and “python run_all.py.”","membership":"Include the complete dark panel, rounded boundary, and all command text. Exclude the links and technology tags above.","id":"obj_056","temporal":{"status":"found","start_s":14.75,"end_s":16.0,"reference_s":15.0,"evidence":"目标是“Reproducibility, Export, and Scope”下方的深色圆角代码面板，含包安装命令及“python 1.py”“python run_all.py”。14.75秒首次完整清晰呈现，至15.75秒仍完整可见；此前14.5秒面板处于淡入、内容尚不清晰，随后16.0秒画面已切换为LabFlow AI页面，目标消失。选择15.0秒作为关键帧，面板边界和全部命令清楚，无遮挡。","start_frame":354,"end_frame":384,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[210.6,559.3,982.6,682.4],"positive_points":[[236,586],[257,631],[410,654],[609,590],[787,647],[952,611]],"negative_points":[[424,523],[415,469],[605,730],[190,615]],"evidence":"目标是页面下方包含安装命令及“python 1.py”“python run_all.py”的深色圆角代码面板。边界框紧贴完整面板，包含圆角边界和全部命令文字；正点分布在文字及面板表面，负点位于上方链接、技术标签和面板外背景。"}},{"name":"Agent-development pink subtitle block","description":"The later continuous lower-screen Chinese subtitles, beginning “每次做出来的agent都比上一个好用” and continuing through remarks about codex, claude, and reusing an earlier agent backend with an animated character.","membership":"Include only the changing pink subtitle glyphs throughout this continuous presentation. Exclude webpage content, cursor, and system interface.","id":"obj_058","temporal":{"status":"found","start_s":16.75,"end_s":32.0,"reference_s":16.75,"evidence":"目标是下方持续更新的粉色中文字幕，首句为“每次做出来的agent都比上一个好用”，随后依次谈及 codex、claude 和复用 agent 后端。首个合格帧为16.75秒；此前16.50秒无该字幕。换句间有短暂无字帧，属于同一字幕段落。最后合格帧为31.75秒，仍显示复用后端的字幕；区间到达视频末尾，无后续帧。选择16.75秒作关键帧，整句完整清晰，位于网页卡片下方，易于区分字幕与页面内容。","start_frame":402,"end_frame":768,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[120.4,795.4,876.7,880.6],"positive_points":[[142.9,807.4],[287.0,819.4],[455.4,875.9],[594.9,816.7],[671.3,861.1],[872.7,834.3]],"negative_points":[[260.4,703.7],[908.0,714.8],[578.7,907.4],[497.7,976.9]],"evidence":"目标为画面下方粉色字幕“每次做出来的agent都比上一个好用”。边界框紧贴整行字幕的���见字形；六个正点分散在中文和英文的粉色笔画上，四个负点位于上方网页内容、按钮、字幕下方背景及底部系统任务栏，均不包含在目标中。"}},{"name":"Yingluo Studio project card","description":"The second agent-development card, titled “Yingluo Studio” and labeled “RELIABLE API CLIENT.” It focuses on dependable model access, document input, technical rendering, and desktop packaging.","membership":"Include the entire rounded card, surface, boundary, title, icon, question, descriptive text, inset feature and engineering panels, technology tags, lesson, and repository link. Exclude the external timeline and subtitles.","id":"obj_059","temporal":{"status":"found","start_s":18.5,"end_s":20.5,"reference_s":19.5,"evidence":"通过“Yingluo Studio”标题和“RELIABLE API CLIENT”标签确认第二张圆角项目卡。首个完整呈现帧为18.50秒，最后一个为20.25秒；18.25秒卡片底部仍被画面下缘裁切，20.50秒卡片顶部已随滚动离开画面并被裁切。选择19.50秒作关键帧，整张卡片边界清楚，标题、功能面板、技术标签和仓库链接可辨，字幕主要位于底部。","start_frame":444,"end_frame":492,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[69,81.5,983,840.7],"positive_points":[[251,182],[431,306],[316,465],[776,451],[501,595],[909,775]],"negative_points":[[33,105],[420,55],[490,925],[275,829]],"evidence":"通过“RELIABLE API CLIENT”和“Yingluo Studio”标题确定目标。框覆盖整张圆角项目卡，包括说明、功能与工程面板、技术标签、经验总结及仓库链接。正点分布于标题、问题、正文、内嵌面板和链接区域；负点位于外部时间线、浏览器栏、卡片下方背景及明确排除的粉色字幕上。"}},{"name":"LabAI project card — initial presentation","description":"The third card, titled “LabAI” and labeled “PLANNED RESEARCH WORKSPACE,” initially encountered while scrolling down from Yingluo Studio. It describes reviewable plans, persistent conversations, explicit run state, and a Next.js/FastAPI architecture.","membership":"Include the complete rounded project card and all its contents, including title, icon, question, descriptions, inset panels, technology tags, lesson, and repository link. Exclude the external timeline and pink subtitles.","id":"obj_060","temporal":{"status":"found","start_s":21.75,"end_s":24.0,"reference_s":22.75,"evidence":"目标为第三张标有“PLANNED RESEARCH WORKSPACE”、标题为“LabAI”的圆角项目卡，包含计划审批、持久化会话及 Next.js/FastAPI 架构说明。首个完整帧为21.75秒，最后完整帧为23.75秒；此前21.50秒卡片底部仍被画面裁切，此后24.00秒卡片顶部开始随滚动移出画面。选择22.75秒作为关键帧，整张卡片清晰完整，且无粉色字幕遮挡。","start_frame":522,"end_frame":576,"reference_frame":546},"grounding":{"status":"found","bbox_xyxy":[69.4,141.7,983.2,900],"positive_points":[[183,240],[478,365],[294,509],[778,513],[426,652],[910,834]],"negative_points":[[33,164],[47,521],[874,110],[501,934]],"evidence":"根据“LabAI”标题、“PLANNED RESEARCH WORKSPACE”标签及计划审批、持久化和 Next.js/FastAPI 描述确定目标。边界框覆盖完整圆角项目卡片及所有内部内容；正点分布在标题、问题、正文、变更面板、工程面板及仓库链接，负点位于外部时间线、左侧背景、顶部导航和卡片下方背景。"}},{"name":"Lingyin Agent project card — initial presentation","description":"The fourth card, titled “Lingyin Agent” and labeled “EMBODIED DESKTOP AGENT,” first encountered below LabAI. It describes an animated Windows desktop character connected to office tools and constrained Python analysis.","membership":"Include the whole rounded card, surface, boundary, title, icon, question, descriptive text, inset panels, technology stack, lesson, and repository link. Exclude the external timeline and subtitles.","id":"obj_061","temporal":{"status":"found","start_s":26.0,"end_s":27.0,"reference_s":26.25,"evidence":"依据“Lingyin Agent”标题、“EMBODIED DESKTOP AGENT”标签及桌面角色、办公工具和 Python 分析说明识别第四张圆角项目卡。首个完整呈现帧为26.00秒，最后为26.75秒；25.75秒卡片底部仍被画面边缘裁切，27.00秒向上滚动后卡片顶部已被裁切。26.25秒整张卡片边界清晰，字幕主要位于卡片下方，适合作为空间标注关键帧。","start_frame":624,"end_frame":648,"reference_frame":630},"grounding":{"status":"found","bbox_xyxy":[68.9,74.1,983.2,833.3],"positive_points":[[231.5,163],[856.5,240.7],[318.3,391.7],[775.5,439.8],[425.3,686.1],[907.4,768.5]],"negative_points":[[33,370.4],[329.9,850.9],[804.4,893.5],[520.8,55.6]],"evidence":"通过“EMBODIED DESKTOP AGENT”“Lingyin Agent”标题及桌面角色连接办公工具的说明，确定为第四张项目卡。框覆盖整张可见圆角卡片，包括正文、内嵌面板、技术栈、经验总结和仓库链接。正点分布于标题、卡片表面、正文、面板、技术栈及链接；负点位于外部时间线、粉色字幕、卡片下方背景和浏览器栏，均不属于目标。"}},{"name":"Agent-development trajectory summary","description":"The concluding rounded panel labeled “THE RESULTING TRAJECTORY,” with the heading “From generating answers to designing complete interactions” and a paragraph summarizing LabFlow AI, Yingluo Studio, LabAI, and Lingyin Agent.","membership":"Include the complete summary panel, rounded boundary, background, robot icon, label, heading, and paragraph. Exclude the footer and overlaid subtitles.","id":"obj_062","temporal":{"status":"found","start_s":27.75,"end_s":29.25,"reference_s":29.0,"evidence":"通过“THE RESULTING TRAJECTORY”标签、总结标题、机器人图标及概述四个项目的段落确认目标。首个完整呈现帧为27.75秒，最后合格帧为29.00秒；此前27.50秒面板下部仍被画面底边裁切，此后29.25秒面板再次下移并被底边裁切。选择29.00秒为关键帧，圆角边界和全部内容清晰完整，且无字幕遮挡。","start_frame":666,"end_frame":702,"reference_frame":696},"grounding":{"status":"found","bbox_xyxy":[12,369,983,698],"positive_points":[[62,449],[176,431],[312,485],[544,552],[462,630],[891,567]],"negative_points":[[505,285],[511,770],[921,894],[299,92]],"evidence":"根据“THE RESULTING TRAJECTORY”标签、两行主标题及总结四个项目的段落识别目标。边界框覆盖完整圆角总结面板，包括背景、机器人图标和全部文字。正点分布在图标、标签、标题、段落和面板右侧背景；负点位于面板外的上下背景、页脚及上方其他面板。"}}]}
+{"video_id":30,"video_type":"desktop and application interfaces","targets":[{"name":"Website navigation bar","description":"Compact rounded navigation strip at the upper left of the personal website, containing a cat avatar and document, grid, smile, star, and globe icons. The grid icon is used to open the projects page.","membership":"Include the rounded strip's surface, boundary, and all contained icons, including their active states. Exclude the browser toolbar, cursor, and surrounding page background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":1.5,"evidence":"目标是个人网站左上角的圆角导航条，包含猫头像及文档、网格、笑脸、星形和地球图标；切换项目页时网格图标变为激活状态。首个合格帧为0.00秒，最后为1.75秒，导航条均完整可见。2.00秒时页面上滚，导航条上部被浏览器内容区顶部裁切，故结束区间。视频起点之前没有采样帧。选择1.50秒作为关键帧，导航条轮廓和全部图标清晰，且无光标遮挡。","start_frame":0,"end_frame":48,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[41.7,100,211.5,158.3],"positive_points":[[58,132],[112,129],[190,128],[83,146],[142,112],[175,147]],"negative_points":[[110,63],[235,129],[124,188],[32,125]],"evidence":"目标是网页左上角含猫头像、文档、绿色激活网格、笑脸、星形和地球图标的圆角导航条。边界框覆盖整条导航的表面、边缘及内部图标；正点分布在头像、图标及条内表面，负点位于上方浏览器工具栏和导航条外的页面背景。"}},{"name":"LVY NEKO heading","description":"Centered website heading reading “LVY NEKO,” with “もしもし” directly underneath on the about page.","membership":"Include both lines of this compact heading block. Exclude the background and the separate biography card below.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0.5,"evidence":"目标是关于页中央的两行紧凑标题：上方“LVY NEKO”，下方“もしもし”，不包含下方简介卡片。首个合格帧为0.00秒，最后为0.75秒，两行均完整清晰；1.00秒已切换至项目页过渡画面，标题消失。区间始于视频开头，无更早采样帧。选择0.50秒作为关键帧，标题无遮挡且易于区分。","start_frame":0,"end_frame":24,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[456.3,202.8,546.9,268.5],"positive_points":[[458.8,217.6],[472.9,216.7],[496.9,216.7],[524.5,218.5],[487.5,261.1],[512.0,261.1]],"negative_points":[[501.0,167.6],[431.3,230.6],[573.4,257.4],[386.5,400.9]],"evidence":"目标位于页面上方中央，由“LVY NEKO”和下方“もしもし”组成。边界框紧密覆盖两行完整文字；六个正点分布在两行字形上，负点位于标题外围背景及下方独立简介卡的文字处，排除背景和简介卡。"}},{"name":"Personal introduction card","description":"Large translucent rounded card beneath the website heading, beginning “Hi! ✨ I'm lvy.” It contains biographical bullet points, two quotations, and a closing invitation to submit website feedback.","membership":"Include the entire rounded card, its surface and boundary, heading, bullets, inset quotation block, and feedback links. Exclude the separate heading above and circular social and heart controls below.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0.5,"evidence":"目标是网站标题下方以“Hi! ✨ I'm lvy”开头的大型半透明圆角介绍卡，包含个人简介列表、两段引文及反馈链接。首个合格帧为0.00秒，最后合格帧为0.75秒，卡片均完整可见；1.00秒已切换至项目页面，介绍卡消失。区间从视频开头开始，没有更早的采样帧。选择0.50秒作为关键帧，卡片边界与内部内容清楚，无遮挡。","start_frame":0,"end_frame":24,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[302.1,315.7,701,850.9],"positive_points":[[333,358],[633,374],[399,521],[617,580],[489,694],[620,804]],"negative_points":[[502,217],[482,902],[520,901],[747,570]],"evidence":"目标是网站标题下方以“Hi! ✨ I'm lvy”开头的半透明圆角个人介绍卡。边界框覆盖完整卡片表面、标题、项目符号、引用区及底部反馈链接。六个正点分布于卡片上部表面、中部简介、引用区和底部；负点位于上方独立网站标题、下方社交与爱心控件及右侧外部背景。"}},{"name":"Algo-Atlas project card","description":"Upper-left project card labeled “Algo-Atlas” and “2025,” with a “Re: Algo” thumbnail, “Starting Algorithms from Zero,” and an algorithm-learning description.","membership":"Include the complete rounded card with its thumbnail, title, year, supporting text, and Website button. Exclude adjacent cards and the page background.","id":"obj_004","temporal":{"status":"found","start_s":1.25,"end_s":2.25,"reference_s":1.5,"evidence":"目标为项目页左上角的完整圆角卡片，含“Re: Algo”缩略图、“Algo-Atlas”“2025”、说明文字及 Website 按钮。首个合格帧为1.25秒，最后合格帧为2.00秒；此前1.00秒页面仍在淡入，卡片结构尚未清晰建立，此后2.25秒卡片已随滚动移出画面。选择1.50秒作为关键帧，卡片完整清晰且无遮挡，易与相邻卡片区分。","start_frame":30,"end_frame":54,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[202.6,198.1,496.4,398.1],"positive_points":[[230,249],[278,233],[302,263],[283,302],[235,341],[448,346]],"negative_points":[[175,295],[348,169],[573,264],[288,479]],"evidence":"通过左上方的“Algo-Atlas 2025”、Re: Algo 缩略图及算法学习描述确认目标。边界框覆盖完整圆角卡片，包含缩略图、标题、年份、说明文字和 Website 按钮。正点分布在卡片内容及内部表面；负点位于卡片外背景、右侧 X-Plore 卡片和下方 nano-Json-RPC 卡片。"}},{"name":"X-Plore project card","description":"Upper-right project card labeled “X-Plore” and “2026,” with a handwritten-style thumbnail, a Sharing tag, and a description of a personal blog collection.","membership":"Include the complete rounded card, its surface and boundary, thumbnail, text, tags, and Website button. Exclude neighboring project cards.","id":"obj_005","temporal":{"status":"found","start_s":1.25,"end_s":2.25,"reference_s":1.5,"evidence":"目标是项目列表右上方标有“X-Plore”“2026”和 Sharing 的圆角卡片，包含手写风格缩略图、博客合集描述及 Website 按钮。首个合格帧为1.25秒，最后合格帧为2.00秒，卡片均完整可见；此前1.00秒仍处于淡入，表面和内容尚未清晰建立，此后2.25秒卡片已随滚动移出画面。选择1.50秒作为关键帧，卡片完整清晰且无遮挡，易与相邻卡片区分。","start_frame":30,"end_frame":54,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[506.8,199.1,800.5,398.1],"positive_points":[[535.9,249.1],[582.8,233.3],[574.0,262.0],[668.8,303.7],[538.0,361.1],[758.3,347.2]],"negative_points":[[670.3,166.7],[446.4,298.1],[651.0,463.0],[833.3,287.0]],"evidence":"目标是右上方标有“X-Plore”“2026”的圆角项目卡。边框覆盖完整卡片表面、手写风格缩略图、Sharing 标签、博客简介和 Website 按钮。正点分布于这些内容及卡片表面；负点位于上方和右侧背景、左侧 Algo-Atlas 卡及下方 boost-searcher 卡，排除相邻项目。"}},{"name":"nano-Json-RPC project card","description":"Left-column card beneath Algo-Atlas, labeled “nano-Json-RPC” and “2024,” describing a lightweight JSON-RPC implementation and showing a C++ tag.","membership":"Include the rounded card and all its contents, including the thumbnail and Website button. Follow the same card as it moves upward during scrolling; exclude surrounding cards.","id":"obj_006","temporal":{"status":"found","start_s":1.25,"end_s":2.25,"reference_s":1.5,"evidence":"目标是 Algo-Atlas 下方左列的圆角卡片，包含 nano-Json-RPC、2024、C++ 标签、轻量 JSON-RPC 实现说明、缩略图及 Website 按钮。首个完整呈现帧为 1.25 秒；随滚动上移后，最后完整可见帧为 2.00 秒。此前 1.00 秒项目卡片仍在淡入，之后 2.25 秒目标��上移并被视口顶部裁切。选择 1.50 秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":30,"end_frame":54,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[202.6,417.6,496.4,597.2],"positive_points":[[231,468],[293,452],[266,482],[315,521],[235,560],[447,539]],"negative_points":[[365,324],[583,509],[349,685],[172,505]],"evidence":"目标为左列 Algo-Atlas 下方、标有“nano-Json-RPC”“2024”和 C++ 的卡片。边界框覆盖完整圆角卡片及缩略图、说明和 Website 按钮。正点分布在这些内容及卡片表面；负点位于上方、右侧、下方其他卡片及左侧外部背景。"}},{"name":"boost-searcher project card","description":"Right-column card beneath X-Plore, labeled “boost-searcher” and “2024,” with a C++ tag and the description “A search engine project.”","membership":"Include the complete rounded card, thumbnail, title, year, tag, description, and Website button. Exclude the page background and adjacent cards.","id":"obj_007","temporal":{"status":"found","start_s":1.25,"end_s":2.25,"reference_s":1.5,"evidence":"目标是右列 X-Plore 下方的圆角卡片，包含“boost-searcher”“2024”、C++ 标签、“A search engine project”和 Website 按钮。首个完整呈现帧为 1.25 秒，最后合格帧为 2.00 秒；此前 1.00 秒仍在淡入，卡片尚未清晰建立，此后 2.25 秒因页面滚动，目标已被画面上边界裁切。选择 1.50 秒作为关键帧，此时整张卡片清晰完整、无遮挡，且容易与相邻卡片区分。","start_frame":30,"end_frame":54,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[507.3,417.6,800.5,597.2],"positive_points":[[534.6,467.6],[599.5,452.8],[571.9,521.3],[539.6,560.2],[750.5,465.7],[738.5,566.7]],"negative_points":[[443.2,500],[838.5,509.3],[677.1,305.6],[666.7,675.9]],"evidence":"目标是右列 X-Plore 下方标有“boost-searcher”“2024”、C++ 标签及“A search engine project”的卡片。边界框覆盖完整圆角卡片，包括缩略图、文字和 Website 按钮；正点分布于这些内容及卡片表面，负点位于左侧、上下相邻卡片和右侧页面背景。"}},{"name":"cpp-sandbox project card","description":"Left-column card labeled “cpp-sandbox” and “2025,” with a handwritten C++ Sandbox thumbnail, an “awesome-cpp-lib” tag, and a description of C++ libraries and notes.","membership":"Include the rounded card's surface, boundary, and all contents. Maintain this extent while scrolling, excluding other project cards.","id":"obj_008","temporal":{"status":"found","start_s":1.25,"end_s":3.25,"reference_s":1.5,"evidence":"目标是左列标有“cpp-sandbox”“2025”的圆角卡片，内含手写 C++ Sandbox 缩略图、awesome-cpp-lib 标签及库与笔记说明。首个合格帧为1.25秒，最后为3.00秒；滚动期间卡片始终完整可见。此前1.00秒仍处于淡入，卡片结构尚未清晰建立；之后3.25秒切换为 GitHub 页面，目标消失。选择1.50秒作为关键帧，卡片完整清晰、无遮挡，易与相邻卡片区分。","start_frame":30,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[203.1,617.6,496.4,797.2],"positive_points":[[230.5,667.8],[288.3,653.7],[285.4,681.5],[371.9,720.2],[237.1,759.3],[460.4,769.4]],"negative_points":[[354.2,521.3],[608.3,704.6],[336.5,867.6],[178.1,701.9]],"evidence":"目标是左列第三张“cpp-sandbox 2025”项目卡，含手写 C++ Sandbox 缩略图和 awesome-cpp-lib 标签。框覆盖整张圆角卡片及全部内容；六个正点分布在缩略图、标题、标签、描述、Website 按钮及卡片表面，负点位于上方、下方、右侧其他卡片及左侧外部背景。"}},{"name":"linux-lab project card","description":"Right-column card labeled “linux-lab” and “2024,” with C/C++ and OS tags and a description mentioning csapp lab and linux-kernel.","membership":"Include the entire rounded card, including thumbnail, labels, description, and Website button. Exclude neighboring cards and background.","id":"obj_009","temporal":{"status":"found","start_s":1.25,"end_s":3.25,"reference_s":1.5,"evidence":"目标是右列标有“linux-lab”“2024”、C/C++ 和 OS 标签的圆角卡片，描述包含 csapp lab 与 linux-kernel。首个完整呈现帧为1.25秒，最后 qualifying 帧为3.00秒；滚动过程中整张卡片仍完整可见。此前1.00秒处于页面淡入，卡片尚未完整显现；此后3.25秒切换至 GitHub 页面，目标消失。选择1.50秒作为关键帧，卡片结构清晰、无遮挡，缩略图、描述和 Website 按钮均完整可见。","start_frame":30,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[507.3,617.6,800.5,797.2],"positive_points":[[535,666],[588,652],[620,721],[539,759],[755,665],[750,758]],"negative_points":[[651,514],[417,699],[502,704],[651,878]],"evidence":"目标是右列第三张标有“linux-lab”“2024”的圆角卡片，含 C/C++、OS 标签及 csapp lab、linux-kernel 描述。框覆盖整张卡��，包括缩略图、文字、Website 按钮和卡片底面。正点分布于这些内容及卡片右侧底面；负点位于上方、左侧、下方邻卡及左侧卡间背景。"}},{"name":"Mega project card","description":"Left-column card labeled “Mega” and “2025,” with a black circular logo, web3infra-foundation and Rust tags, and a backend-developer description.","membership":"Include the complete rounded card with its surface, boundary, logo tile, text, tags, and Website button. Exclude adjacent projects.","id":"obj_010","temporal":{"status":"found","start_s":2.0,"end_s":3.25,"reference_s":2.5,"evidence":"目标是左列标有“Mega”“2025”的圆角卡片，含黑色圆形标志、web3infra-foundation／Rust 标签、后端开发者描述及 Website 按钮。首个完整呈现帧为2.00秒，最后合格帧为3.00秒；此前1.75秒卡片底部仍被画面边界裁切，之后3.25秒已切换到 GitHub 页面，目标消失。选择2.50秒作为关键帧，卡片完整清晰且无遮挡，易与相邻项目区分。","start_frame":48,"end_frame":78,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[202.6,320.4,496.4,520.4],"positive_points":[[230.2,370.4],[275.5,355.6],[339.6,384.3],[402.1,424.1],[235.4,482.4],[455.7,480.6]],"negative_points":[[349,222.2],[588.5,416.7],[338.5,601.9],[183.9,420.4]],"evidence":"目标是左列标有“Mega”和“2025”的圆角项目卡，含黑色圆形标志、web3infra-foundation、Rust及后端开发描述。框覆盖完整卡片表面、边界和Website按钮；正点分布于标志、标题、标签、描述、按钮及卡片表面，负点位于上方cpp-sandbox、右侧music player、下方Next AI Slide及左侧外部背景。"}},{"name":"music player project card","description":"Right-column card labeled “music player” and “2025,” distinguished by a blue sailboat logo and LVGL, C, and Graphics tags. Its description mentions a contribution to Xiaomi openvela.","membership":"Include the rounded card and all contained graphic and textual elements, including its Website button. Exclude the surrounding background and other cards.","id":"obj_011","temporal":{"status":"found","start_s":2.0,"end_s":3.25,"reference_s":2.5,"evidence":"目标为右列标有“music player”“2025”的圆角卡片，含蓝色帆船图标、LVGL/C/Graphics 标签、Xiaomi openvela 贡献说明及 Website 按钮。首个完整合格帧为 2.00 秒，最后为 3.00 秒；此前 1.75 秒卡片底部仍被画面边界裁切，之后 3.25 秒已切换到 GitHub 页面，目标消失。选择 2.50 秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":48,"end_frame":78,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[507,320,800,520],"positive_points":[[535,371],[590,355],[618,385],[693,423],[539,482],[761,476]],"negative_points":[[655,264],[651,576],[442,417],[830,422]],"evidence":"根据右列的“music player 2025”、蓝色帆船图标及提到 Xiaomi openvela 的说明识别目标。边界框覆盖整个圆角卡片及其标签、说明和 Website 按钮。正点分布于图标、标题、标签、说明、按钮及卡片表面；负点位于上方、下方、左侧其他卡片和右侧外部背景。"}},{"name":"Next AI Slide project card","description":"Left-column card revealed farther down the project list, labeled “Next AI Slide” and “2025,” with an AI tag and a description mentioning Slidev.","membership":"Include the complete rounded card, thumbnail, title, year, tag, description, and Website button. Exclude neighboring cards.","id":"obj_012","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.5,"evidence":"目标是项目列表左列的“Next AI Slide”圆角卡片，含2025、AI标签、提及Slidev的描述及Website按钮。首个完整可见帧为2.25秒，最后一个为3.00秒；此前2.00秒该卡片尚在画面下方，之后3.25秒已切换为GitHub页面。选择2.50秒作关键帧，卡片完整清晰、无遮挡，易与相邻卡片区分。","start_frame":54,"end_frame":78,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[202.6,540.7,496.4,739.8],"positive_points":[[231,592],[285,575],[333,643],[235,683],[450,593],[422,706]],"negative_points":[[345,473],[575,626],[315,814],[179,637]],"evidence":"目标是左列标有“Next AI Slide”和“2025”的圆角项目卡，含 AI 标签及提及 Slidev 的描述。边界框覆盖完整卡片、缩略图、文字和 Website 按钮；正点分布于这些内容及卡片表面，负点位于上方 Mega 卡、右侧 Github agent 卡、下方 Issues-bot 卡和左侧外部背景。"}},{"name":"Github agent project card","description":"Right-column card labeled “Github agent” and “2025,” with an AI tag and a description of an autonomous GitHub research agent powered by an LLM and the GitHub API.","membership":"Include the entire rounded card, its boundary and surface, thumbnail, text, tag, and Website button. Exclude adjacent project cards.","id":"obj_013","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.5,"evidence":"目标是右列标有“Github agent”“2025”和 AI 标签的圆角卡片，包含自主 GitHub 研究代理说明及 Website 按钮。首个完整可见帧为 2.25 秒，最后合格帧为 3.00 秒；此前 2.00 秒画面尚未显示该卡片，此后 3.25 秒已切换到 GitHub README 页面。选择 2.50 秒作为关键帧，卡片边界、缩略图和全部内容清晰完整，无遮挡。","start_frame":54,"end_frame":78,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[507.3,539.8,800.5,739.8],"positive_points":[[533.9,590.7],[596.4,575],[687.5,602.8],[619.8,645.4],[541.1,701.9],[764.6,699.1]],"negative_points":[[654.2,467.6],[654.2,815.7],[453.1,640.7],[832.3,637]],"evidence":"目标是右列标有“Github agent”“2025”和 AI 标签的项目卡片，描述提及 GitHub research、LLM 与 GitHub API。边界框覆盖完整圆角卡片及其缩略图、文字、标签和 Website 按钮。正点分布于卡片内容与表面；负点位于上方 music player、下方 Mermaid-validator、左侧 Next AI Slide 卡片及右侧外部背景。"}},{"name":"Issues-bot project card","description":"Lower-left card labeled “Issues-bot” and “2024,” with an AI tag and text about assisting in resolving GitHub issues.","membership":"Include the full rounded card and all its contents, including the handwritten thumbnail and Website button. Exclude surrounding cards and background.","id":"obj_014","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.5,"evidence":"目标是项目列表左下方标有“Issues-bot”“2024”和 AI 标签的圆角卡片，包含手写缩略图、协助解决 GitHub issues 的说明及 Website 按钮。首个完整可见帧为 2.25 秒，最后合格帧为 3.00 秒；前一帧 2.00 秒目标尚在视野下方，后一帧 3.25 秒已切换为 GitHub 页面，卡片消失。选择 2.50 秒作为关键帧，卡片边界及全部内容清晰完整，无遮挡。","start_frame":54,"end_frame":78,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[202.6,759.3,496.4,959.3],"positive_points":[[230.7,810.2],[282.8,794.4],[261.7,823.1],[359.4,862.0],[235.4,901.9],[443.2,921.3]],"negative_points":[[348.9,666.7],[599.0,833.3],[182.3,851.9],[354.2,980.6]],"evidence":"目标是左下方标有“Issues-bot”和“2024”的项目卡片。边界框覆盖完整圆角卡片，包括手写缩略图、AI 标签、说明文字及 Website 按钮。正点分布在这些内容和卡片表面；负点位于上方、右侧其他卡片及左侧、下方外部背景。"}},{"name":"Mermaid-validator project card","description":"Lower-right card labeled “Mermaid-validator” and “2025,” with a testing plugin tag and a description of validating and correcting Mermaid syntax from LLM outputs.","membership":"Include the complete rounded card with its thumbnail, title, year, tag, description, and Website button. Exclude adjacent cards.","id":"obj_015","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.5,"evidence":"目标为右下方标题“Mermaid-validator”、年份“2025”的完整圆角项目卡，含缩略图、testing plugin 标签、Mermaid 语法验证修正说明及 Website 按钮。首个完整可见帧为2.25秒，最后为3.00秒；此前2.00秒该卡尚未进入可见区域，此后3.25秒已切换到 GitHub 页面，卡片消失。选择2.50秒作为关键帧，卡片完整清晰且无遮挡，易与相邻卡片区分。","start_frame":54,"end_frame":78,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[507,759,801,959],"positive_points":[[534,809],[609,794],[582,824],[711,863],[539,921],[757,930]],"negative_points":[[651,683],[422,841],[838,863],[667,981]],"evidence":"目标是右下角标有“Mermaid-validator”“2025”和“testing plugin”的项目卡片。边界框覆盖完整圆角卡片，包括缩略图、标题、标签、说明和 Website 按钮。正点分布在这些内容及卡片表面；负点位于上方、左侧相邻卡片以及右侧、下方外部背景。"}},{"name":"X-Plore GitHub README panel","description":"Bounded white README document column shown after switching to the X-Plore GitHub tab. It initially displays a “Computer Vision” heading and linked article list, then scrolls upward through other topic sections, a category table, introductory material, and a website preview.","membership":"Include the README panel's own surface, boundary, header controls, and visible document contents as they scroll within it. Embedded images, tables, and separately identified child text remain part of this panel. Exclude browser chrome, the page scrollbar, outer margins, and the separate GitHub sidebar.","id":"obj_016","temporal":{"status":"found","start_s":3.25,"end_s":9.0,"reference_s":7.25,"evidence":"目标是切换至 X-Plore GitHub 标签后出现的白色 README 文档栏，具有独立边界、README 顶栏和编辑等控件。首个合格帧为 3.25 秒，显示 Computer Vision 标题及文章链接；此前 3.00 秒仍为个人网站项目卡片页。该面板随��持续存在，内部滚动显示主题列表、分类表和网站预览，最后合格帧为 8.75 秒，延续至视频结束，之后无采样帧。选择 7.25 秒作为关键帧，因为面板边界、顶栏及预览内容清楚，且易与右侧独立 GitHub 侧栏区分。","start_frame":78,"end_frame":216,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[244.8,85.2,619.8,1000],"positive_points":[[269,104],[428,220],[524,413],[282,648],[429,795],[479,963]],"negative_points":[[202,486],[690,396],[691,240],[416,62]],"evidence":"根据顶部 README 标题、内嵌网站预览及下方技术栈、介绍和分类表识别该文档面板。边框覆盖中央白色 README 列，从标题栏到图像底部可见内容，包含自身边界和控件。正点分布在标题、预览图及下方文档内容；负点位于左侧外边距、独立 GitHub 侧栏和浏览器地址栏。"}},{"name":"README topic index table","description":"Four-column table inside the X-Plore README, headed with repeated “专栏” labels. Its linked categories include LLM, AI topics, programming languages, Computer Vision, operating systems, and algorithms.","membership":"Include the complete table's grid, cells, cell backgrounds, and contained category links, following its visible portion during scrolling. Exclude introductory paragraphs above and the discussion text below.","id":"obj_017","temporal":{"status":"found","start_s":5.75,"end_s":9.0,"reference_s":6.75,"evidence":"目标为 X-Plore README 中四列分类索引表，表头重复“专栏”，包含 LLM、Computer Vision、编程语言等链接。5.75 秒首次出现其可见网格，按目标要求随滚动保留可见部分，至最后采样帧 8.75 秒仍可见。此前 5.50 秒显示其他主题列表，尚无该表；区间到达视频末尾，无后续帧。选择 6.75 秒为关键帧，此时表头、完整网格及底部均清楚可见。","start_frame":138,"end_frame":216,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[258.3,261.1,602.6,859.3],"positive_points":[[300.5,275],[373.4,356.5],[553.6,438.9],[289.6,574.1],[464.1,684.3],[565.1,845.4]],"negative_points":[[424.5,222.2],[408.3,910.2],[635.4,555.6],[218.8,555.6]],"evidence":"根据四列重复的“专栏”表头，以及 LLM、Computer Vision、操作系统和算法等分类链接识别目标。框覆盖完整可见表格的网格、单元格背景及链接，从表头到最后一行。正点分布于不同列及上中下部单元格；负点位于上方介绍文字、下方说明文字和表格左右外部背景。"}},{"name":"Embedded personal website preview","description":"Large rectangular screenshot inside the README showing the pastel personal website dashboard: a cat illustration, left navigation panel, greeting card, digital clock, calendar, social links, and music controls.","membership":"Include the full rectangular embedded image and everything depicted within its edges. Exclude the README text above and below it and the GitHub sidebar to its right.","id":"obj_018","temporal":{"status":"found","start_s":7.25,"end_s":9.0,"reference_s":7.5,"evidence":"目标是 README 内完整的矩形个人网站截图，包含猫插画、左侧导航、问候卡、时钟、日历、社交链接及音乐控件，不含右侧 GitHub 栏。首个合格帧为 7.25 秒，截图四边均已完整显示；前一帧 7.00 秒仅见技术栈文字和目录，截图尚未进入可见区域。最后合格帧为 8.75 秒，目标仍完整存在，区间延续至视频结束 9.00 秒，无后续帧。选择 7.50 秒作为关键帧，截图清楚完整且无遮挡。","start_frame":174,"end_frame":216,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[258.3,140.7,606.3,573.1],"positive_points":[[426.6,215.7],[331.8,310.2],[424.5,370.4],[513,271.3],[531.3,394.4],[487,481.5]],"negative_points":[[433.3,123.1],[286.5,627.8],[676.6,261.1],[234.9,339.8]],"evidence":"目标是 README 中展示猫咪、左侧导航、问候卡片、时钟、日历和音乐控件的浅色个人网站截图。边界框紧贴整张矩形嵌入图片；正点分布在图内各主要组件，负点位于上下方 README 文本、左侧外部空白和右侧 GitHub 栏，均不属于截图。"}},{"name":"Website technology stack text","description":"README text block directly beneath the embedded website preview, headed “用到的技术栈” and listing Next.js, React, TypeScript, Tailwind CSS, and Motion. This block is selected near the end.","membership":"Include the heading and all five bulleted technology names as one text block. Exclude the image above, the separate feedback sentence below, and the surrounding README surface. Selection highlighting and the cursor are not part of the text subject.","id":"obj_019","temporal":{"status":"found","start_s":7.25,"end_s":9.0,"reference_s":7.5,"evidence":"目标是网站预览图下方以“用到的技术栈”为标题、包含 Next.js、React、TypeScript、Tailwind CSS 和 Motion 五项的文本块。首个完整呈现帧为7.25秒；此前7.00秒帧仅显示列表，标���仍被顶部区域遮挡。最后符合条件的帧为8.75秒，末段文字虽被选中但主体持续完整可见，因此区间延续至视频结束9.00秒，之后无采样帧。选择7.50秒作为关键帧，标题和全部五项清楚可见，且没有选择高亮干扰。","start_frame":174,"end_frame":216,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[258.9,592.6,308.9,717.6],"positive_points":[[275,599.1],[282.3,628.7],[280.2,649.1],[287.5,669.4],[290.6,689.8],[282.8,711.1]],"negative_points":[[364.6,543.5],[333.9,740.7],[333.3,648.1],[247.4,681.5]],"evidence":"目标位于网站预览图正下方，框覆盖“用到的技术栈”标题及 Next.js、React、TypeScript、Tailwind CSS、Motion 五项完整项目符号文本。六个正点分别落在标题和五行名称的字形上；负点位于上方预览图、下方独立反馈句以及左右 README 空白处，未包含光标。"}}]}
+{"video_id":31,"video_type":"desktop and application interfaces","targets":[{"name":"VASP installation heading","description":"The white heading “VASP安装” at the upper left of the instructional slide.","membership":"Include only the heading’s text strokes. Exclude the blue backing, overlapping watermarks, and adjacent decorations.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":35,"reference_s":0,"evidence":"目标是课件左上角白色“VASP安装”标题，仅指文字笔画，不含蓝色底板和叠加水印。该标题从首帧0.00秒至末帧34.75秒始终完整存在，期间下方界面切换不影响其连续出现。区间到达视频首尾，两端均无额外相邻帧。选择0.00秒为关键帧，标题结构清楚，便于区分文字与背景及水印。","start_frame":0,"end_frame":840,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[14.1,25,169.8,83.3],"positive_points":[[19.8,39.8],[46.9,33.3],[69.8,33.3],[85.9,45.4],[111.5,41.7],[162.5,37]],"negative_points":[[44.3,100],[194.3,74.1],[176.6,123.1],[313,20.4]],"evidence":"目标为左上角白色“VASP安装”标题，边界框紧贴整段标题文字。六个正点分别位于各字母和汉字的可见笔画上，避开重叠水印；负点位于蓝色底板、右侧水印及标题外的白色和灰色背景。"}},{"name":"Intel OneAPI HPC installation section title","description":"The large blue slide title “2. 安装Intel OneAPI HPC toolkit” above the software demonstration.","membership":"Include the complete title text, including its number. Exclude the slide background and the application display below.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":35,"reference_s":0,"evidence":"目标是应用演示上方完整的蓝色标题“2. 安装Intel OneAPI HPC toolkit”，包含编号。首次合格帧为0.00秒，最后合格帧为34.75秒，期间标题始终完整可见，无淡入、遮挡或退出。区间覆盖视频首尾，边界外没有采样帧。选择0.00秒作为关键帧，因为标题清晰完整，容易与背景及下方应用画面区分。","start_frame":0,"end_frame":840,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[270.8,56.5,726.6,107.4],"positive_points":[[279.7,65.7],[313.5,86.1],[368.7,80.6],[448.4,64.8],[562.5,82.4],[721.4,83.3]],"negative_points":[[488.5,125.9],[790.6,87.0],[452.1,160.2],[221.4,79.6]],"evidence":"目标是软件演示窗口上方的大号蓝色标题“2. 安装Intel OneAPI HPC toolkit”。边界框紧贴整行标题并包含编号；六个正点分布在编号、中文及英文各部分的字形笔画上，负点位于标题外的幻灯片背景、下方应用窗口及左侧其他标识区域。"}},{"name":"Intel download registration panel","description":"The light-gray “Download” section of the Intel webpage, containing Business Email Address and Country/Region fields, a blue “Sign Up & Download” button, a registration-bypass link, and legal notices.","membership":"Include the visible light-gray section surface and all its contents, from the Download heading through the notices at the bottom. Exclude browser chrome, the desktop dock, and the separate floating information icon. The separately identified bypass link remains part of this panel.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":10.75,"reference_s":0.5,"evidence":"目标是Intel网页中浅灰色Download注册区，含邮箱和国家/地区字段、蓝色下载按钮、免注册链接及底部法律说明。首个合格帧为0.00秒，末个为10.50秒；期间下载浮层仅遮挡部分区域，面板持续存在。10.75秒切换为终端，面板消失。区间始于视频开头，无更早采样帧。选择0.50秒作为关键帧，此时面板清晰且无下载浮层遮挡。","start_frame":0,"end_frame":258,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[157,295,876,930],"positive_points":[[218,407],[807,430],[320,607],[623,609],[389,683],[510,822]],"negative_points":[[473,252],[98,466],[902,873],[899,591]],"evidence":"通过“Download”标题、邮箱与国家/地区字段、蓝色下载按钮及��方法律声明识别该浅灰色注册面板。边框覆盖标题上方的可见面板表面至底部被截断的通知内容；正点分布在标题、面板表面、两个字段、按钮和声明处，负点位于浏览器工具栏、桌面侧栏、独立信息图标及面板外侧。"}},{"name":"Download without registration link","description":"The blue link “Continue without signing up (download starts immediately) →” beneath the registration button, used to initiate the HPC Toolkit download.","membership":"Include the complete link text and its arrow. Exclude surrounding form content, the cursor, and the temporary orange focus outline.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":10.75,"reference_s":5,"evidence":"目标是注册按钮下方的蓝色“Continue without signing up (download starts immediately) →”完整链接，包含箭头，不含光标及橙色焦点框。首个合格帧为0.00秒，末个为10.50秒；视频起点之前无采样帧，10.75秒已切换到终端，链接消失。选择5.00秒为关键帧，链接清晰完整，无光标遮挡或焦点框干扰。","start_frame":0,"end_frame":258,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[182.3,719.4,479.2,740.0],"positive_points":[[183.9,727.8],[243.2,730.6],[279.7,732.4],[339.6,729.6],[411.5,731.5],[475.0,728.7]],"negative_points":[[336.5,683.3],[255.2,767.6],[171.9,729.6],[494.8,729.6]],"evidence":"目标是注册按钮下方的蓝色“Continue without signing up (download starts immediately) →”链接。边界框覆盖完整链接文字及右侧箭头；六个正点分布在文字笔画和箭头上，负点位于上方按钮、下方说明文字及链接左右的外部背景，未包含其他表单内容。"}},{"name":"Firefox downloads popover","description":"The white floating downloads panel at the upper right of the browser. It initially shows the BaseKit shell script, then adds “l_HPCKit_p_2023.1.0.46346.sh” with download progress and completion information.","membership":"Include the popover’s surface, outer boundary, file rows, progress indicators, folder controls, and “Show all downloads” footer. Exclude the browser toolbar and its downloads button.","id":"obj_005","temporal":{"status":"found","start_s":2.25,"end_s":10.75,"reference_s":3.75,"evidence":"目标是 Firefox 右上方的白色下载浮层，含文件行、进度条、文件夹控件及“Show all downloads”页脚，不含工具栏下载按钮。2.25 秒首次完整出现，仅列出 BaseKit；随后加入 HPCKit 下载项。最后 qualifying 帧为 10.50 秒；此前相邻的 2.00 秒没有浮层，之后的 10.75 秒已切换到终端，浮层消失。选择 3.75 秒作为关键帧，浮层边界完整，两条文件记录及 HPCKit 进度清晰可见。","start_frame":54,"end_frame":258,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[512.5,271.3,876,493.5],"positive_points":[[612,303],[737,321],[526,353],[669,401],[856,399],[599,463]],"negative_points":[[866,249],[469,408],[745,535],[895,375]],"evidence":"目标是浏览器右上方列出 HPCKit 和 BaseKit 下载项的白色浮层。边界框覆盖浮层表面、外边界、文件行、进度条、文件夹控件及“Show all downloads”底栏。正点分布于这些区域；负点位于上方工具栏下载按钮及浮层左侧、右侧和下方的外部区域。"}},{"name":"Terminal installation commands and output","description":"The monospaced command transcript on the purple terminal surface. It shows compiler checks and BaseKit commands, followed by listing downloads, granting executable permission to the HPC shell script, running it, and extraction output.","membership":"Include the complete visible command-and-output text block, shell prompts, textual progress bars, and active command line as the transcript grows. Exclude the purple backing, terminal window controls, desktop dock, and installer graphics that subsequently cover portions of it.","id":"obj_006","temporal":{"status":"found","start_s":10.75,"end_s":31.75,"reference_s":26.75,"evidence":"目标是紫色终端上的等宽命令与输出文本，包含编译器检查、BaseKit命令，以及随后新增的HPC脚本授权、执行和解压输出。首个合格帧为10.75秒，前一帧10.50秒仍是浏览器页面。安装器弹窗及启动图案出现后，文本块仍有部分可见，属于同一持续出现；最后合格帧为31.50秒，31.75秒被安装器主页面完全替代。选择26.75秒作为关键帧，此时解压输出已显示，完整文本块清晰且没有安装器图形遮挡。","start_frame":258,"end_frame":762,"reference_frame":642},"grounding":{"status":"found","bbox_xyxy":[123.4,234.3,918.2,682.4],"positive_points":[[130.2,243.5],[323.4,308.3],[472.4,414.8],[777.6,457.4],[430.2,565.7],[359.9,650.0]],"negative_points":[[549.0,765.7],[527.1,202.8],[98.4,544.4],[53.6,449.1]],"evidence":"目标是紫色终端内的等宽命令记录。边界框覆盖顶部编译器检查、BaseKit与HPC安装命令、两行文本进度条、提取结果及底部活动��标。正点分布在提示符、命令文字、进度条和末行输出上；负点位于下方紫色背景、窗口标题栏、左侧停靠栏及窗口外白色背景。"}},{"name":"HPC Toolkit bootstrap installer dialog","description":"The centered white “Intel® oneAPI HPC Toolkit” dialog over the terminal. It first offers “Continue” for system checking, then displays installer preparation and download status with a Cancel button.","membership":"Include the complete dialog surface, boundary, Intel branding, title, explanatory text, progress information, and controls. Exclude the terminal behind it and the ordinary pointer.","id":"obj_007","temporal":{"status":"found","start_s":27.0,"end_s":29.75,"reference_s":27.25,"evidence":"目标是终端中央的白色“Intel® oneAPI HPC Toolkit”引导安装对话框，包含 Intel 标识、说明和 Continue 按钮，随后同一面板显示准备及下载进度和 Cancel 按钮。首个完整帧为27.0秒，最后合格帧为29.5秒；此前26.75秒仅见终端解压输出，此后29.75秒对话框已消失，仅剩终端。选择27.25秒作为关键帧，对话框边界完整、文字清晰且无遮挡。","start_frame":648,"end_frame":714,"reference_frame":654},"grounding":{"status":"found","bbox_xyxy":[303.1,342.6,651.6,688.9],"positive_points":[[338,379.6],[446.4,378.7],[390.6,506.5],[578.1,453.7],[349,651.9],[612.5,651.9]],"negative_points":[[260.4,463],[703.1,509.3],[468.8,750],[468.8,291.7]],"evidence":"目标是终端中央标题为“Intel® oneAPI HPC Toolkit”的白色安装引导对话框，当前显示系统检查说明和 Continue 按钮。边界框紧贴完整对话框，包含品牌、标题、说明、底部区域和控件。正点分布于这些内容及面板表面，避开普通鼠标指针；负点位于对话框外的终端背景。"}},{"name":"oneAPI installer splash graphic","description":"The blue rectangular launch graphic over the terminal, dominated by a large white “1” and “oneAPI,” with Intel branding at its lower right.","membership":"Include the complete blue splash rectangle and its enclosed graphics and text. Exclude the terminal and detached transitional blue fragments outside the rectangle.","id":"obj_008","temporal":{"status":"found","start_s":30.0,"end_s":31.75,"reference_s":31.0,"evidence":"目标是终端上方的蓝色矩形启动图，内部有白色大号“1”、“oneAPI”及右下角 Intel 标识；不包含矩形外分离的蓝色过渡碎片。首个合格帧为30.00秒，矩形及内部图文已完整显示；最后合格帧为31.50秒。此前29.75秒仅显示终端，随后31.75秒已替换为安装器主界面。选择31.00秒作为关键帧，启动图完整清晰、无明显遮挡，边界易于标注。","start_frame":720,"end_frame":762,"reference_frame":744},"grounding":{"status":"found","bbox_xyxy":[363.0,433.3,677.1,725.0],"positive_points":[[389,467],[639,475],[521,516],[516,605],[405,690],[655,691]],"negative_points":[[343,398],[371,351],[713,565],[506,778]],"evidence":"目标是终端上方带白色“1”、oneAPI 字样及右下角 Intel 标识的蓝色启动画面。边界框紧贴完整蓝色矩形；正点分布于面板各部及内部标识，负点位于左上方分离的蓝色碎片和矩形外的终端背景。"}},{"name":"HPC Toolkit installation summary panel","description":"The blue-outlined summary panel in the main installer, showing “What's Included,” “Integrate with IDE,” “Installation Location,” and “Required Space.” The installation path is “/home/bshan/intel/oneapi.”","membership":"Include the panel’s outer blue boundary, enclosed white surface, divider, component list, integration information, installation path, storage figures, and internal scrollbar. Exclude the “Summary” label above and the application header.","id":"obj_009","temporal":{"status":"found","start_s":31.75,"end_s":35.0,"reference_s":33.0,"evidence":"31.75秒首次完整出现蓝色边框的安装摘要面板，内含What's Included、Integrate with IDE、Installation Location、Required Space及/home/bshan/intel/oneapi路径；此前31.50秒仍是oneAPI启动画面。面板持续至最后采样帧34.75秒，视频在35.0秒结束，无后续帧。选择33.0秒为关键帧，面板边界、分隔线、内容及内部滚动条清晰可见且无遮挡。","start_frame":762,"end_frame":840,"reference_frame":792},"grounding":{"status":"found","bbox_xyxy":[175.5,304.6,877.1,526.9],"positive_points":[[250.5,331.5],[301.6,393.5],[792.2,357.4],[257.3,479.6],[798.4,502.8],[560.4,370.4]],"negative_points":[[195.3,282.4],[523.4,213.0],[256.3,597.2],[311.5,659.3]],"evidence":"目标为安装器中央的蓝框摘要面板，包含组件列表、IDE 集成、安装路径及空间需求。边界框紧贴面板外侧蓝色边界；正点分布于各信息区和内部滚动条，负点位于框外的 Summary 标签、应用标题、许可协议区及推荐安装区。"}},{"name":"License agreement acceptance control","description":"The checkbox and sentence “I accept the terms of the license agreement” below the installer summary. The box changes from empty to checked.","membership":"Include the checkbox boundary and interior, its check mark when present, and the complete associated sentence and link. Exclude the section heading above, the background surface, and the cursor.","id":"obj_010","temporal":{"status":"found","start_s":31.75,"end_s":35.0,"reference_s":32.0,"evidence":"目标为安装器摘要下方的复选框及完整句子“I accept the terms of the license agreement”，包含链接。31.75秒首次完整出现；此前31.50秒仍为oneAPI启动画面，无该控件。目标持续至最后采样帧34.75秒，此时复选框已勾选；视频于35.0秒结束，无后续帧。选择32.0秒作为关键帧，控件和完整文字清晰，且无光标遮挡。","start_frame":762,"end_frame":840,"reference_frame":768},"grounding":{"status":"found","bbox_xyxy":[177.1,585.2,367.7,608.3],"positive_points":[[183.3,596.3],[215.1,598.1],[249.5,595.4],[282.3,597.2],[308.9,599.1],[345.8,598.1]],"negative_points":[[230.2,560.2],[388.0,597.2],[275.5,629.6],[257.8,479.6]],"evidence":"目标位于安装摘要下方，是空的许可协议复选框及其右侧完整接受声明，末尾包含蓝色链接。边界框紧贴复选框和整句文字；正点分布在复选框内部及句子、链接的字形上，负点位于上方标题、摘要文字和控件外部背景，避开了控件内部空隙。"}},{"name":"Recommended Installation panel","description":"The upper installation-mode row, labeled “Recommended Installation,” with “Install everything with commonly used features” and a Continue button that becomes enabled after license acceptance.","membership":"Include the full light-gray row surface, its label, explanatory text, and Continue button. Exclude the license control above and the Custom Installation row below.","id":"obj_011","temporal":{"status":"found","start_s":31.75,"end_s":35.0,"reference_s":34.75,"evidence":"目标是安装模式区域上方的浅灰色“Recommended Installation”完整行，包含说明文字及右侧 Continue 按钮，不含上方许可勾选框和下方 Custom Installation 行。31.75 秒首次完整出现，前一帧 31.50 秒仍为 oneAPI 启动画面；此行持续至最后采样帧 34.75 秒，视频于 35.0 秒结束，无后续帧。选择 34.75 秒为关键帧，因为行边界和文字清晰，Continue 按钮已启用且无遮挡。","start_frame":762,"end_frame":840,"reference_frame":834},"grounding":{"status":"found","bbox_xyxy":[175,622.2,877.1,721.3],"positive_points":[[189.6,638.9],[278.1,659.3],[402.6,686.1],[597.9,650.9],[739.6,701.9],[822.9,672.2]],"negative_points":[[306.3,597.2],[312.5,773.1],[154.2,671.3],[899,673.1]],"evidence":"目标是许可选项下方、Custom Installation 上方的 Recommended Installation 浅灰色横行。边界框覆盖整行背景、标题、说明文字及 Continue 按钮；正点分布于行内文字、表面和按钮，负点位于上方许可控件、下方自定义安装行及左右外部背景。"}},{"name":"Custom Installation panel","description":"The lower installation-mode row, labeled “Custom Installation,” with “Configure your installation” and an outlined Customize button.","membership":"Include the complete light-gray row surface, its label, explanatory text, and Customize button through its enabled-state change. Exclude the Recommended Installation row and the offline-package link beneath it.","id":"obj_012","temporal":{"status":"found","start_s":31.75,"end_s":35.0,"reference_s":34.75,"evidence":"目标是安装模式区域下方的浅灰色 Custom Installation 完整行，包含 Configure your installation 说明及 Customize 按钮，不包括上方推荐安装行和下方离线包链接。31.75秒首次完整出现；紧邻的31.50秒仍是oneAPI启动画面，没有此面板。此行持续到最后采样帧34.75秒，按钮由禁用变为启用，仍属同一面板。选择34.75秒为关键帧，行边界和蓝色描边按钮清楚无遮挡。区间延至视频结尾35.0秒，此后无采样帧。","start_frame":762,"end_frame":840,"reference_frame":834},"grounding":{"status":"found","bbox_xyxy":[175,733.3,877.1,832.4],"positive_points":[[215,770],[284,795],[447,772],[637,805],[818,783],[739,751]],"negative_points":[[440,682],[285,853],[157,780],[703,864]],"evidence":"目标是下方标有“Custom Installation”的浅灰色安装模式行。边界框覆盖完整行背景、标题、说明文字及右侧 Customize 按钮；正点分布在这些内容和行表面上，负点位于上方推荐安装行、下方离线包链接及行外背景。"}}]}
+{"video_id":32,"video_type":"desktop and application interfaces","targets":[{"name":"Codex completion report","description":"The response in the initially visible Codex conversation titled “更换人物形象并改名”. It contains download links, a description of the updated character animations, and validation results including “package_integrity=pass” and “security_findings=0”.","membership":"Includes the response text, inline code labels, bullet markers, and associated download links as one reading block. Excludes the character preview below, conversation sidebar, input panel, and overlaid captions.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.5,"evidence":"目标是“更换人物形象并改名”对话中的完成报告，包含下载链接、角色动画说明、验收项目及 package_integrity=pass、security_findings=0 标签。首个合格帧为0.00秒，最后为0.50秒，报告文字块均已完整呈现；视频起点之前无采样帧。紧邻的0.75秒帧出现前景 GitHub 浏览器窗口，遮住报告，之后未再次露出。选择0.50秒作为关键帧，报告结构清晰，文字与链接无遮挡，易与下方角色预览及输入区区分。","start_frame":0,"end_frame":18,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[376,87,800,455],"positive_points":[[412,94],[523,186],[434,267],[440,354],[431,383],[574,446]],"negative_points":[[105,375],[445,659],[696,589],[518,887]],"evidence":"根据顶部下载链接、角色动画更新说明及 package_integrity=pass、security_findings=0 验收标签确定该完成报告。框覆盖从下载链接到末尾删除旧资源说明的完整阅读块；正点分布于链接、正文、验收项和末行，负点位于侧栏、下方角色预览、粉色叠加字幕及输入面板，均不属于目标。"}},{"name":"Character animation preview sheet","description":"A bright green, rounded rectangular preview below the Codex report, showing repeated poses of a pale-haired illustrated character in a flowing light-colored dress.","membership":"Includes the entire preview image surface and its character sprites, including portions temporarily obscured by the input overlay. Excludes the surrounding conversation surface and floating download control.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.5,"evidence":"目标是 Codex 报告下方的亮绿色圆角预览图，内有浅发、浅色长裙角色的重复姿态，下部被输入框遮挡。首个合格帧为 0 秒，最后为 0.5 秒；0.75 秒起前景浏览器窗口将预览图完全遮住，后续未再显露。视频起点前无采样帧。选择 0.5 秒作为关键帧，绿色图面及角色姿态清楚，便于区分周围对话区域和下载控件。","start_frame":0,"end_frame":18,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[376.2,623.1,611.1,849.1],"positive_points":[[397,653],[440,661],[550,659],[441,724],[550,720],[400,752]],"negative_points":[[592,731],[627,709],[354,743],[493,547]],"evidence":"目标是报告下方亮绿色圆角角色动画预览图，内有重复的浅发浅裙人物。框覆盖预览表面及下部被输入浮层遮挡的区域；正点分布于绿色底面和不同人物姿势，负点位于浮动下载按钮、左右会话背景及上方非预览区域。"}},{"name":"Pink introductory title","description":"Large pink text across the middle of the opening views reading “物理专业本科生用GPT5.6做的简易agent软件”. It remains over the transition from Codex to GitHub.","membership":"Includes only the complete pink text line. Excludes the application content behind it.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":2.5,"reference_s":0,"evidence":"目标是画面中部完整的粉色文字“物理专业本科生用GPT5.6做的简易agent软件”，从 Codex 切换到 GitHub 后仍连续可见。首个合格帧为0.00秒，最后为2.25秒；2.50秒该文字已消失。区间起于视频开头，无更早采样帧。选择0.00秒为关键帧，文字完整清晰，背景较简洁，便于标注。","start_frame":0,"end_frame":60,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[196.8,564.8,743.1,610.2],"positive_points":[[231.5,600],[307.9,583.3],[416.1,571.3],[566,594.4],[669.6,585.2],[734.4,578.7]],"negative_points":[[405,523],[560,447],[470,662],[775,585]],"evidence":"目标是画面中部横跨应用界面的粉色大标题“物理专业本科生用GPT5.6做的简易agent软件”。边界框紧贴完整单行文字；六个正点分布在左右各段字形笔画上，四个负点位于标题外的应用内容或背景，不包含字间空隙。"}},{"name":"GitHub repository file listing","description":"The main-branch file listing for “qianyuyingluo / Lingyin-agent”, initially occupying the left side of the foreground browser page. It shows folders such as “assistant”, “installer”, “pipeline”, and “src”, followed by README and build-script files.","membership":"Includes the branch and file controls immediately above the listing, the commit summary, and the bordered table with all its rows and contents. Excludes browser chrome, repository navigation, the right-hand information column, and the README panel below.","id":"obj_004","temporal":{"status":"found","start_s":0.75,"end_s":2.25,"reference_s":2.0,"evidence":"依据 main 分支控件、提交摘要及含 assistant、installer、pipeline、src、README 和构建脚本的有边框文件表格识别目标。首个合格帧为 0.75 秒，最后合格帧为 2.00 秒；此前 0.50 秒尚未出现前景浏览器，此后 2.25 秒因向下滚动，分支控件、提交摘要和表格上部已被裁切。选择 2.00 秒作为关键帧，目标整体边界及底部均清楚可见，且与下方 README 面板易于区分。","start_frame":18,"end_frame":54,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[228.6,239.8,647.6,833.3],"positive_points":[[259,257],[615,257],[458,312],[270,433],[596,546],[310,775]],"negative_points":[[512,110],[729,291],[426,875],[96,432]],"evidence":"通过 main 分支控件以及 assistant、installer、pipeline、src 等目录和后续文件行识别目标。边界框覆盖列表上方的分支与文件控件、提交摘要和完整文件表格，不包含下方 README 面板。正点分布于控件、提交摘要及表格上中下部；负点位于浏览器地址栏、右侧 About 栏、下方 README 面板和左侧应用侧栏。"}},{"name":"Repository release panel","description":"The right-column “Releases” section showing “Lingyin-agent v1.0.0” with a “Latest” badge.","membership":"Includes the section heading, release icon, release label, badge, and relative publication time as one compact functional block. Excludes the adjacent About, Packages, and Contributors sections.","id":"obj_005","temporal":{"status":"found","start_s":0.75,"end_s":2.75,"reference_s":2.5,"evidence":"目标为 GitHub 页面右栏的 Releases 区块，包含标题、发布图标、Lingyin-agent v1.0.0、Latest 徽章及相对发布时间。首个合格帧为 0.75 秒，末个为 2.50 秒；此前 0.50 秒尚未显示浏览器仓库页面，此后 2.75 秒该区块已随滚动移出可视区域。选择 2.50 秒作为关键帧，因为区块完整清晰且无粉色字幕遮挡。","start_frame":18,"end_frame":66,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[670,189,792,259],"positive_points":[[688,198],[716,198],[675,234],[718,234],[777,232],[709,252]],"negative_points":[[694,145],[692,302],[702,405],[625,233]],"evidence":"目标位于仓库页面右栏，标题为“Releases”，下方显示“Lingyin-agent v1.0.0”和“Latest”。边界框紧贴标题、版本图标与标签、徽章及发布时间组成的紧凑区块；正点分布于这些内容，负点位于上方 forks、下方 Packages 和 Contributors，以及左侧文件列表。"}},{"name":"Repository language breakdown","description":"The GitHub “Languages” block with a multicolored horizontal bar and a percentage legend for Python, C#, TypeScript, CSS, PowerShell, and HTML.","membership":"Includes the heading, complete segmented bar, and language-percentage legend. Excludes surrounding sidebar sections and overlaid pink text.","id":"obj_006","temporal":{"status":"found","start_s":2.25,"end_s":3.0,"reference_s":2.5,"evidence":"目标是 GitHub 右侧包含“Languages”标题、多色横条及 Python、C#、TypeScript、CSS、PowerShell、HTML 百分比图例的区块。首个完整呈现帧为 2.25 秒，最后为 2.75 秒；此前 2.0 秒的图例底部尚被窗口边界裁切，之后 3.0 秒标题和横条已滚出可视区域。选择 2.5 秒作为关键帧，此时整个区块清晰完整，且无粉色文字遮挡。","start_frame":54,"end_frame":72,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[670.1,502.8,829.9,607.4],"positive_points":[[695.0,510.2],[810.2,538.9],[699.1,558.3],[706.0,578.7],[705.4,600.0],[774.9,600.0]],"negative_points":[[721.1,444.4],[709.5,302.8],[716.4,655.6],[605.3,558.3]],"evidence":"已定位 GitHub 右侧的 Languages 区块，边框覆盖标题、完整多色横条及六种语言的百分比图例。正点分布在标题、横条及多行图例文字上；负点位于上方贡献者和 Packages 区域、下方推荐工作流及左侧 README 区域，均不属于目标。"}},{"name":"Lingyin office assistant README","description":"The bordered GitHub README document headed “绫音办公助手”. Scrolling reveals its feature overview, release instructions, system architecture, directory tree, environment requirements, development commands, build instructions, and character-atlas specifications before returning to earlier sections.","membership":"Includes the README panel surface, boundary, header, rendered text, lists, code blocks, and embedded diagrams throughout the scrolling presentation. Separately identified diagram children remain within this document region. Excludes the repository file table, right sidebar, browser chrome, and superimposed captions.","id":"obj_007","temporal":{"status":"found","start_s":2.0,"end_s":10.0,"reference_s":2.5,"evidence":"目标是 GitHub 文件表下方带边框的 README 文档，以“绫音办公助手”为标题，后续滚动连续展示功能、安装、架构及构建等内容。首个合格帧为 2.0 秒，README 面板边框、表面及栏头已出现；前一帧 1.75 秒仍仅显示文件表，尚未显示 README。最后合格帧为 9.75 秒，文档仍在显示，区间延伸至视频��束 10.0 秒，无后续采样帧。选择 2.5 秒作为关键帧，此时标题和正文清晰，且没有叠加字幕遮挡文档。","start_frame":48,"end_frame":240,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[228.6,534.3,647.6,904.6],"positive_points":[[254.6,557.4],[305,631.5],[552.7,686.1],[330.4,730.6],[572.3,782.4],[289.4,880.6]],"negative_points":[[405.1,462.9],[723.4,740.7],[463,110.2],[196.8,694.4]],"evidence":"目标是仓库文件表下方、以“README”为栏头并显示“绫音办公助手”标题的有边框文档。框覆盖当前可见的README面板，从栏头到浏览器视口底部的截断处。正点分布在栏头、标题、正文和功能列表；负点位于上方文件表、右侧栏、浏览器地址栏及面板外左侧背景。"}},{"name":"Pink project-development caption","description":"A large pink caption across the lower portion of the scrolling README reading “这个项目3月就有个雏形了，但是这个学期7个专业课，很少有时间做”.","membership":"Includes only the complete caption text, including any temporary overlap with the document. Excludes the underlying README and application surfaces.","id":"obj_008","temporal":{"status":"found","start_s":2.75,"end_s":9.0,"reference_s":7.0,"evidence":"目标为画面下部横跨 README 的粉色完整字幕“这个项目3月就有个雏形了，但是这个学期7个专业课，很少有时间做”。首次完整出现于2.75秒，最后符合条件的帧为8.75秒；前一帧2.50秒尚无此字幕，后一帧9.00秒字幕已消失。选择7.00秒作为关键帧，字幕完整、形状清晰，便于与底层文档区分。","start_frame":66,"end_frame":216,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[56.7,786.1,876.2,831.5],"positive_points":[[138.3,807.4],[246.5,802.8],[321.2,808.3],[473.4,801.9],[635.4,819.4],[849.5,805.6]],"negative_points":[[326.4,730.6],[553.8,762.0],[644.7,882.4],[908.0,810.2]],"evidence":"目标是横跨画面下部的大号粉色项目开发字幕。框覆盖从“这个项目”到“很少有时间做”的完整单行文字；正点分布在字幕不同位置的粉色字形笔画上，负点位于字幕上、下方的 README 内容及右侧应用背景，不包含底层文档。"}},{"name":"System architecture diagram, first appearance","description":"The first presentation of the flowchart under “系统结构”. Pale lavender nodes connect a WinForms desktop character and WebView2 office interface to “LingyinAgentBackend”, which branches toward model access, office tools, Python analysis, and local data.","membership":"Includes all diagram node surfaces, borders, enclosed labels, and connecting arrows. Excludes the section heading, explanatory paragraphs, white document backing outside the diagram, and floating pan, zoom, and copy controls.","id":"obj_009","temporal":{"status":"found","start_s":3.5,"end_s":4.25,"reference_s":4.0,"evidence":"目标为“系统结构”下的浅紫色流程图，WinForms、WebView2连接至LingyinAgentBackend，再分支至模型、办公工具、Python分析和本地数据。首次完整呈现于3.50秒，最后合格帧为4.00秒；前一帧3.25秒尚未显示该图，后一帧4.25秒已滚动至目录说明和源码环境，图已消失。选择4.00秒作为关键帧，整体结构清晰且不受粉色字幕遮挡；不合并9.75秒的再次出现。","start_frame":84,"end_frame":102,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[262.7,203.7,605.9,392.6],"positive_points":[[292.8,298.1],[373.8,314.8],[482.1,298.1],[562.0,218.5],[570.0,272.2],[550.3,379.6]],"negative_points":[[592.6,357.4],[614.0,202.8],[360.0,443.5],[408.0,233.3]],"evidence":"根据 WinForms、WebView2、LingyinAgentBackend 及右侧分支识别出系统架构图。边界框紧贴全部淡紫色节点与连接箭头；正点分布于左侧、中央及右侧节点，负点位于悬浮平移和复制控件、下方说明文字及图外白色背景，不包含标题或说明段落。"}},{"name":"System architecture diagram, return appearance","description":"The same architecture flowchart presented again at the end after the page scrolls back through the directory and release instructions. It appears below “系统结构”, with the backend node connecting the desktop interface to four service or storage branches.","membership":"Includes all diagram nodes with their enclosed text, borders, and connecting arrows in this returned presentation. Excludes the heading, surrounding release instructions, document backing outside the diagram, and floating diagram controls.","id":"obj_010","temporal":{"status":"found","start_s":9.75,"end_s":10.0,"reference_s":9.75,"evidence":"9.75秒在“系统结构”下方重新出现完整流程图：桌面界面连接后端节点，后端再连接四个服务或存储分支，节点与箭头均已呈现；不计标题及悬浮控件。首末合格帧均为9.75秒，前一帧9.50秒仍显示目录说明，尚未出现返回的流程图。该帧结构清晰，故选为关键帧。区间延续��视频结束，之后没有采样帧。","start_frame":234,"end_frame":240,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[262.7,673.1,605.9,861.1],"positive_points":[[289.4,766.7],[477,768.5],[561.9,691.7],[564.2,740.7],[560.8,795.4],[549.8,848.1]],"negative_points":[[277.8,613.9],[613.4,672.2],[592.6,826.9],[665,756.5]],"evidence":"目标是“系统结构”下方的架构流程图，后端节点连接桌面界面及四个服务或存储分支。边框紧贴全部节点、节点文字及连接箭头的可见范围；六个正点分布在桌面、后端和四个分支节点内。负点位于标题、悬浮图表控件及图外空白，排除这些非目标内容。"}}]}
+{"video_id":33,"video_type":"desktop and application interfaces","targets":[{"name":"MDP demonstration code, initial appearance","description":"Python source initially visible behind the translucent inspection panel. It defines the review routine and creates a FlakyTramMDP, obtains its start state and successors, and checks whether a successor is an end state.","membership":"Include the visible source-code text as one block. Exclude line numbers, the yellow line highlight, the overlaid inspection panel and tooltip, and the graph below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0,"evidence":"目标是半透明检查面板后方的 Python 源码块，可辨认 review 例程、FlakyTramMDP 初始化、start_state、successors 和 is_end 调用；不包括行号、高亮、面板、提示框或下方图形。首次合格帧为 0.00 秒，最后为 1.25 秒，期间源码持续可见。1.50 秒画面已滚动到图的中段，源码消失，因此结束于 1.50 秒。区间起点即视频开头，无更早采样帧。选择 0.00 秒作关键帧，其源码布局稳定，且与此段其他帧同样清楚。","start_frame":0,"end_frame":36,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[92.7,4.6,983.9,509.3],"positive_points":[[112,22],[149,95],[587,288],[248,354],[535,420],[470,488]],"negative_points":[[59,488],[389,122],[651,469],[455,585]],"evidence":"目标是半透明检查面板后方的 Python 源码，包括 review 例程、MDP 创建、起始状态与后继获取以及终止判断。框覆盖第43至50行的可见源码文字，不含行号；正点分布于各行源码字形，负点位于行号、面板自身文字、bool 提示框及下方图节点，以排除这些非目标内容。"}},{"name":"State and successors inspection panel","description":"Large pale-cyan, rounded rectangular overlay across the upper portion of the initial view. It displays state = 1, three successor records for \"walk\" and \"tram\", their probabilities, rewards and resulting states, and is_end = false.","membership":"Include the panel surface, rounded outer boundary, all variable labels and values, and the three bordered successor records. Exclude underlying source code and graph content visible through its translucent surface, the cursor, and the external \"bool\" tooltip.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":3,"reference_s":1.5,"evidence":"目标是上方浅青色半透明圆角检查面板，包含 state = 1、三个 walk/tram 后继记录及 is_end = false。首个合格帧为 0.00 秒，面板已建立；最后合格帧为 2.75 秒，随后 3.00 秒帧中面板消失，仅余底层状态图。区间起于视频开头，无更早采样帧。选择 1.50 秒作为关键帧，面板及记录边框清楚，外部 bool 提示已消失，光标未遮挡主要文字。","start_frame":0,"end_frame":72,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[170.3,0,952.1,472.2],"positive_points":[[219.3,32.4],[421.9,124.1],[586.5,250.9],[794.8,317.6],[240.1,406.5],[908.9,418.5]],"negative_points":[[619.3,425.9],[200.5,747.2],[469.3,507.4],[974.0,388.9]],"evidence":"目标是上方显示 state、successors 和 is_end 的浅青色圆角检查面板。边界框覆盖其全部可见表面、外边框和三组后继记录，顶部按图像边缘截断。正点分布在变量文字、记录内容及面板表面；负点位于被排除的手形光标、下方图节点和面板外背景。"}},{"name":"Flaky tram MDP transition graph","description":"Vertically scrolling directed graph beneath the code, initially showing state 1 and the actions \"1,walk\" and \"1,tram\". Other portions reveal numbered states through 6, dotted action ovals, and arrows labeled with transition probabilities and rewards.","membership":"Include the complete graph's numbered state circles, dotted action ovals and their enclosed areas, connecting arrow paths and arrowheads, and probability/reward labels. Maintain the same graph extent as different portions scroll into view. Exclude surrounding page margins, source code, the inspection overlay, scrollbars, and cursor.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":3.25,"evidence":"通过编号状态圆、虚线动作椭圆及标有概率和奖励的有向箭头识别该图。首个合格帧为0秒，图已在代码下���建立，部分被检查浮层遮挡；随后只是同一长图在视口内滚动，并非逐步绘制或退出。最后合格帧为7.75秒，仍显示状态5、6及其连接。区间覆盖视频首尾，两端均无区间外相邻采样帧。选择3.25秒作为关键帧，此时浮层已消失，状态5、6及动作、箭头和标签清晰可辨。","start_frame":0,"end_frame":192,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[142.7,0,737.5,972.2],"positive_points":[[362,32],[572,269],[468,506],[621,507],[201,746],[424,862]],"negative_points":[[90,430],[867,475],[460,986],[992,144]],"evidence":"图中可见状态5、6，虚线动作椭圆“4,tram”“4,walk”“5,walk”“5,tram”，以及概率、奖励标签和连接箭头，符合目标转移图。框覆盖当前视口中图的全部可见部分，包括上下截断的图形，不推测屏外范围。正点分布在动作椭圆、状态数字和奖励文字上；负点位于两侧页边及横纵滚动条，排除这些非图内容。"}},{"name":"MDP demonstration code, returning appearance","description":"Source-code block reappearing above the graph after scrolling back toward its beginning. It shows the \"# MDP\" comment, FlakyTramMDP(num_locs=10, failure_prob=0.4), and assignments to state, successors, and is_end.","membership":"Include the visible source-code text in this returning block as it scrolls. Exclude line numbers, yellow highlighting and page backing, the transition graph below, scrollbars, and cursor.","id":"obj_004","temporal":{"status":"found","start_s":6.25,"end_s":6.75,"reference_s":6.5,"evidence":"目标是滚动返回后位于图上方的 MDP 源代码块，包含“# MDP”、FlakyTramMDP 构造调用及 state、successors、is_end 赋值。首个完整帧为 6.25 秒，最后完整帧为 6.50 秒；此前 6.00 秒仅显示下方赋值语句，代码块尚未完整进入画面；此后 6.75 秒顶部“# MDP”已移出画面，开始被边界裁切。选择 6.50 秒作为关键帧，全部目标文字清晰可见且无遮挡。","start_frame":150,"end_frame":162,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[139.6,39.8,737.5,343.5],"positive_points":[[147,54],[216,121],[722,125],[146,192],[308,259],[572,321]],"negative_points":[[60,191],[453,419],[813,449],[603,395]],"evidence":"已识别图上方重新出现的 MDP 源代码块，包含“# MDP”、FlakyTramMDP 初始化及 state、successors、is_end 赋值。边界框紧贴这五行完整代码文本；六个正点分布在各行字符笔画上，四个负点分别位于行号、下方状态图、黄色背景和鼠标指针处，均不属于目标。"}}]}
+{"video_id":34,"video_type":"desktop and application interfaces","targets":[{"name":"Reference links block","description":"A bulleted Markdown block near the top of the Jupyter notebook, linking to an LLM architecture comparison article, a GitHub Qwen3 MoE notebook, and a WeChat article.","membership":"Includes the three link texts and their bullet markers. Excludes the notebook cell background, selection bar, cursor, and surrounding interface.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.25,"evidence":"通过三个链接文本及其项目符号识别目标：LLM 架构比较文章、GitHub Qwen3 MoE 笔记本和微信文章。首个合格帧为 0.00 秒，最后合格帧为 0.50 秒，三条链接均完整可见；紧接的 0.75 秒帧中，向上滚动使第一条链接开始被顶部工具栏裁切。区间始于视频开头，没有更早采样帧。选择 0.25 秒作为关键帧，链接清晰完整，且鼠标不遮挡目标。","start_frame":0,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[144.1,296.3,798.6,389.8],"positive_points":[[145.3,308.3],[433.4,307.4],[248.3,343.5],[750,342.6],[174.8,377.8],[407.4,376.9]],"negative_points":[[56.7,333.3],[862.3,342.6],[925.9,379.6],[289.4,444.4]],"evidence":"目标是笔记本顶部的三行项目符号链接，分别指向架构比较文章、GitHub Qwen3 MoE notebook 和微信文章。边界框紧贴三行链接文字及其项目符号；正点分布在各行文字和符号上，负点位于左侧选择条、右侧空白及下方代码单元，均不属于目标。"}},{"name":"Image import code cell","description":"A short Jupyter input cell containing “from IPython.display import Image”, immediately below the reference links.","membership":"Includes the code cell surface, boundary, and code. Excludes the execution count in the left gutter and neighboring cells.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0.5,"evidence":"目标是参考链接正下方、包含“from IPython.display import Image”的短输入单元格，仅计入单元格表面、边界和代码，不含左侧执行计数。首个合格帧为0.00秒，末个为1.50秒，期间单元格完整可见；1.75秒时已随向下滚动移出可视区域。区间始于视频开头，无更早采样帧。选择0.50秒作为关键帧，此时边界和代码清晰完整、无遮挡。","start_frame":0,"end_frame":42,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[123.3,421.3,947.9,467.6],"positive_points":[[140,439],[229,449],[364,443],[491,453],[697,435],[927,454]],"negative_points":[[102,444],[423,376],[463,530],[330,217]],"evidence":"目标是参考链接下方、包含“from IPython.display import Image”的短输入单元格。边界框覆盖整条单元格的表面、边框和代码，不含左侧执行计数。正点分布在代码和单元格表面；负点位于左侧执行计数、上方链接、下方相邻代码单元格及顶部工具栏。"}},{"name":"Configuration references and image display code cell","description":"A Jupyter input cell with commented WeChat and Hugging Face configuration links, followed by “Image(url='./figs/qwen-moe.webp', width=500)”. It introduces the comparison image below.","membership":"Includes the bounded input cell, its background, and all four code lines. Excludes the execution count and the separately displayed image output.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"通过三行注释中的微信、Hugging Face 配置链接及第四行 Image(url='./figs/qwen-moe.webp', width=500) 识别该有边界的输入单元格，不含执行计数和下方图片输出。首个合格帧为 0 秒，最后为 1.75 秒，单元格及四行代码均完整可见；2 秒帧中该单元格已向上滚出视区。视频起点前无采样帧。选择 0.5 秒作为关键帧，此时边界清晰、四行代码完整且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[123.3,482.4,947.3,611.1],"positive_points":[[193,504],[416,533],[492,561],[305,590],[697,523],[878,577]],"negative_points":[[100,505],[293,444],[430,715],[962,550]],"evidence":"目标是含微信链接、两条 Hugging Face 配置链接注释及 Image 显示语句的输入单元格。框覆盖其浅灰背景、边界和全部四行代码；正点分布于代码及单元格背景，负点位于左侧执行计数、上方导入单元格、下方独立图片输出和右侧外部区域。"}},{"name":"Qwen3-32B configuration file panel","description":"A dark Hugging Face file viewer for “Qwen3-32B / config.json”. Its JSON begins with “Qwen3ForCausalLM” and shows values including “hidden_size”: 5120 and “intermediate_size”: 25600.","membership":"Includes the bounded file-viewer panel with its commit information, file action row, line numbers, code, and dark surface. Excludes the repository header, file breadcrumb above the panel, browser find overlay, and browser chrome.","id":"obj_005","temporal":{"status":"found","start_s":4.25,"end_s":9.25,"reference_s":5.0,"evidence":"目标是深色 Hugging Face 文件查看面板，包含提交信息、文件操作栏、行号及 JSON；代码中的 Qwen3ForCausalLM、hidden_size: 5120 和 intermediate_size: 25600 确认其身份。首个 qualifying 帧为 4.25 秒，最后为 9.00 秒，期间面板结构持续完整建立，底部为页面视口裁切。此前 4.00 秒仍是 Jupyter 中的浅色对比截图；此后 9.25 秒已切换为 Qwen3-30B-A3B 配置。选择 5.00 秒作为关键帧，提交栏、操作栏及识别代码清晰可见。","start_frame":102,"end_frame":222,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[64.2,517.6,935.2,1000],"positive_points":[[202.5,541.7],[167.8,587],[87.4,858.3],[207.8,902.8],[636.6,731.5],[839.1,944.4]],"negative_points":[[202.5,481.5],[260.4,398.1],[960.6,787],[578.7,117.6]],"evidence":"通过提交信息、文件操作行及含有 Qwen3ForCausalLM、hidden_size: 5120、intermediate_size: 25600 的 JSON 确认目标。边框覆盖完整可见文件查看面板，从提交信息栏到图像底部截断处，包括行号、代码和深色表面。正点分布于这些内容及面板表面；负点位于上方面包屑、仓库导航、右侧外部背景和浏览器查找浮层。"}},{"name":"Qwen3-30B-A3B configuration file panel","description":"A dark Hugging Face file viewer for “Qwen3-30B-A3B / config.json”, displayed after switching browser tabs. Its JSON identifies “Qwen3MoeForCausalLM” and includes “moe_intermediate_size”: 768, “num_experts”: 128, and “num_experts_per_tok”: 8.","membership":"Includes the bounded file-viewer panel, commit information and file actions when visible, line-number gutter, JSON contents, and dark background. Excludes the repository header, breadcrumb, browser find overlay, search highlighting, cursor, and browser chrome.","id":"obj_006","temporal":{"status":"found","start_s":9.25,"end_s":16.5,"reference_s":13.0,"evidence":"9.25秒切换到目标深色文件查看面板，JSON含Qwen3MoeForCausalLM、moe_intermediate_size: 768、num_experts: 128及num_experts_per_tok: 8；滚动仅改变面板在视口内显示的部分。首个符合帧为9.25秒，最后为16.25秒。此前9.0秒仍是Qwen3-32B配置，之后16.5秒已切回Jupyter笔记本。选择13.0秒作为关键帧，面板边界、提交信息、文件操作及专家配置字段清晰可辨。","start_frame":222,"end_frame":396,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[64.2,375,935.2,1000],"positive_points":[[183,398],[354,445],[87,671],[204,781],[602,609],[820,937]],"negative_points":[[224,338],[352,256],[577,118],[968,652]],"evidence":"通过 config.json 中的 Qwen3MoeForCausalLM、moe_intermediate_size 和专家数量字段确认目标。边界框覆盖提交信息、文件操作栏、行号及 JSON 深色内容区，下缘截至图像底部。正点分布于提交栏、操作栏、行号、代码和面板背景；负点位于外部面包屑、仓库导航、查找浮层及面板右侧背景，不包含搜索高亮或浏览器界面。"}},{"name":"Returned ModelScope configuration comparison image","description":"The side-by-side ModelScope comparison of Qwen3-32B and Qwen3-30B-A3B reappears when the presentation returns to Jupyter. It then scrolls upward to reveal explanatory notes below.","membership":"Includes the entire embedded comparison image and both screenshots within it, including their configuration text and page backgrounds. Excludes notebook controls, output numbering, and the independent notes beneath it.","id":"obj_007","temporal":{"status":"found","start_s":16.5,"end_s":17.0,"reference_s":16.75,"evidence":"16.50秒返回Jupyter，重新出现并排的ModelScope Qwen3-32B与Qwen3-30B-A3B配置截图，属于同一嵌入比较图，不含下方笔记。首末 qualifying 帧为16.50秒和16.75秒；此前16.25秒仍是Hugging Face配置页，之后17.00秒比较图向上滚动，顶部开始被视口裁切。选择16.75秒，双栏页面标题、背景与配置内容清楚，鼠标遮挡较少。","start_frame":396,"end_frame":408,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[122.7,242.6,612.3,953.7],"positive_points":[[238,321],[478,324],[224,597],[449,612],[252,847],[480,897]],"negative_points":[[102,254],[337,216],[705,588],[454,981]],"evidence":"目标是笔记本输出中并排展示 Qwen3-32B 与 Qwen3-30B-A3B 的 ModelScope 配置比较图。边框覆盖两张截图的页头、页面背景及配置文本，下沿止于当前可见区域。六个正点分布在两侧截图的上、中、下部；负点位于输出编号、笔记本工具栏、右侧空白及底部状态栏，均不属于嵌入图。"}},{"name":"Dense and MoE architecture notes","description":"A notebook Markdown text block comparing layer counts, hidden sizes, attention heads, GQA, and FFN/MLP dimensions. It begins “layers (max_window_layers)” and explains that “intermediate_size = 6144” is a dense-MLP compatibility setting for this MoE checkpoint. The block is first shown as Markdown source and later rendered as nested bullets.","membership":"Includes the complete explanatory text block, its list markers, formulas, and inline code text through the concluding explanation about dense layers. Retains the same extent of content when rendered or edited. Excludes the cell background and border, selection shading, editing controls, and the separate heading below.","id":"obj_008","temporal":{"status":"found","start_s":17.5,"end_s":19.0,"reference_s":18.5,"evidence":"目标以“layers (max_window_layers)”开头，包含 dense/MoE 层数、注意力与 FFN/MLP 对比，直到 intermediate_size=6144 的兼容设置及 dense 层结论。17.25 秒仅露出部分内容，下部仍被视口裁切；17.5 秒首次完整呈现。此后从 Markdown 源码切换为嵌套列表，内容身份与范围保持一致，末帧 18.75 秒仍完整可见，因此结束于视频末尾 19.0 秒，无后续帧。选择 18.5 秒作为关键帧，渲染后的完整列表清晰，便于区分正文与单元格边框。","start_frame":420,"end_frame":456,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[144,327,923,945],"positive_points":[[178,339],[605,479],[377,620],[334,793],[729,898],[573,933]],"negative_points":[[55,627],[112,526],[838,283],[954,682]],"evidence":"目标是已渲染的嵌套项目符号 Markdown，从“layers (max_window_layers)”开始，包含 dense/MoE 层数、注意力、GQA 和 FFN 维度比较，直到末尾关于改成 dense 层的解释。框覆盖完整文字、列表标记、公式及行内代码；正点分布于各段实际文字，负点位于左侧选择条、单元格外及文字右侧空白，排除背景和编辑界面。"}},{"name":"Parameter calculation heading","description":"The standalone bold notebook heading “参数量计算”, visible beneath the architecture comparison notes.","membership":"Includes only the heading text. Excludes surrounding whitespace, notebook background, and the preceding notes block.","id":"obj_009","temporal":{"status":"found","start_s":17.5,"end_s":18.5,"reference_s":17.75,"evidence":"目标是架构对比笔记下方独立加粗的“参数量计算”标题，仅包含标题文字。首个完整可见帧为17.50秒，最后一个 qualifying 帧为18.25秒；此前17.25秒标题尚未进入可视区域，之后18.50秒笔记重新渲染，标题已不在可视区域。选择17.75秒作为关键帧，标题完整清晰、无遮挡，与上方笔记块易于区分。","start_frame":420,"end_frame":444,"reference_frame":426},"grounding":{"status":"found","bbox_xyxy":[129.6,860.2,227.4,891.7],"positive_points":[[138.3,873.1],[157.4,873.1],[178.2,867.6],[197.9,877.8],[217.0,870.4],[139.5,883.3]],"negative_points":[[168.0,740.0],[254.6,876.0],[105.3,875.0],[177.1,918.5]],"evidence":"目标是架构比较笔记下方独立加粗的“参数量计算”标题。边界框仅覆盖这五个字；六个正点分布在标题字形笔画上，负点位于上方笔记以及标题左、右、下方的外部空白。"}}]}
+{"video_id":35,"video_type":"desktop and application interfaces","targets":[{"name":"PubMed homepage search field","description":"The long empty white search field with a green “Search” button in the center of the blue PubMed homepage.","membership":"Includes the input surface, its boundary, and the attached Search button. Excludes the PubMed logo, explanatory paragraph, and Advanced link below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":4,"reference_s":1,"evidence":"目标是蓝色 PubMed 首页中央的长条空白搜索输入框及其右侧绿色 Search 按钮。首个合格帧为 0.00 秒，最后一个为 3.75 秒，期间结构完整可见；4.00 秒已切换为高级搜索页面，目标消失。区间始于视频开头，无更早采样帧。选择 1.00 秒为关键帧，搜索框和按钮清晰完整，无遮挡，便于标注。","start_frame":0,"end_frame":96,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[208.3,370.4,783.3,416.7],"positive_points":[[228,386],[330,402],[458,383],[579,400],[694,389],[749,394]],"negative_points":[[274,310],[226,432],[427,485],[812,398]],"evidence":"目标为蓝色主页中部的长条白色搜索输入框及右侧绿色 Search 按钮。边界框紧贴输入框与按钮的整体外缘；六个正点分布在白色输入区域和绿色按钮上，四个负点分别位于 PubMed 标志、Advanced 链接、下方说明文字及右侧蓝色背景。"}},{"name":"Advanced search link","description":"The “Advanced” link directly below the left end of the homepage search field, selected to open the search builder.","membership":"Includes only the link text. Excludes the surrounding blue background, cursor, and temporary focus outline.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":4,"reference_s":0.25,"evidence":"目标是 PubMed 首页搜索框左端正下方的“Advanced”文字链接，不含蓝色背景、鼠标或焦点框。首个合格帧为0.00秒，最后为3.75秒；4.00秒已切换至高级搜索构建器，原首页链接消失。区间从视频起点开始，无更早采样帧。选择0.25秒作为关键帧，链接完整清晰，且无鼠标或焦点框遮挡。","start_frame":0,"end_frame":96,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[208.33,425.93,244.27,437.96],"positive_points":[[210.42,432.41],[214.58,434.26],[219.27,431.48],[227.6,430.56],[236.98,433.33],[242.71,432.41]],"negative_points":[[200,432.41],[253.13,432.41],[223.96,452.78],[223.96,400]],"evidence":"目标是首页搜索框左端正下方的“Advanced”链接。边界框仅覆盖完整链接文字；六个正点分布在各字母笔画上，负点位于左右及下方蓝色背景和上方搜索框内，均不包含文字内部空隙。"}},{"name":"Chinese instructional subtitles","description":"Large black Chinese captions across the lower center explain finding literature, selecting “Title/Abstract,” combining search terms, and reviewing article titles.","membership":"Includes the changing subtitle characters as one continuous caption block. Excludes webpage text and graphics visible behind them.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":4.5,"reference_s":2,"evidence":"目标是画面下方中央的大号黑色中文字幕，与背后的网页文字区分明显；字幕内容变化视为同一字幕块。本段首个合格帧为0.00秒，最后为4.25秒（“点击advanced”）；紧邻的4.50秒帧中字幕消失，因此结束于4.50秒。区间从视频开头开始，没有更早的相邻帧。选择2.00秒作为关键帧，字幕完整清晰，便于与网页内容区分。","start_frame":0,"end_frame":108,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[239.6,838,759.4,894.4],"positive_points":[[245,849],[337,857],[396,876],[476,851],[596,859],[749,863]],"negative_points":[[276,762],[422,822],[570,913],[800,872]],"evidence":"目标是下方中央的大号黑色字幕“所以呢来到我们的老朋友pubmed的当中”。边界框覆盖整行中英文字幕；六个正点分布在字幕字形笔画上，负点位于周围网页图标、栏目文字及右侧空白处，不包含字幕内部的字间空隙。"}},{"name":"PubMed Advanced Search Builder form","description":"The central form headed “PubMed Advanced Search Builder,” containing a field selector, search-term input, ADD/AND control, Query box, and Search button. It is used to combine “lung cancer” and “nhanes.”","membership":"Includes the heading and the compact form area, its labels, input surfaces, controls, and displayed query contents. Includes the field selector and its expanded menu when open. Excludes the separate PubMed logo, User Guide link, and search-history section below.","id":"obj_004","temporal":{"status":"found","start_s":4.0,"end_s":20.0,"reference_s":14.25,"evidence":"目标为中央“PubMed Advanced Search Builder”标题及其字段选择器、检索词输入框、ADD/AND 控件、Query box 和 Search 按钮，不含右侧 PubMed 标志和下方检索历史。4.00 秒首次完整呈现，19.75 秒仍完整可见；相邻的3.75秒是PubMed首页，20.00秒已替换为检索结果页。选择14.25秒作为关键帧，此时表单清晰无遮挡，Query box已显示lung cancer与nhanes的AND组合，便于明确标注目标范围。","start_frame":96,"end_frame":480,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[208.3,262,783.3,604.6],"positive_points":[[297.4,271.3],[266.7,407.4],[520.8,407.4],[756.8,407.4],[422.4,546.3],[746.9,533.3]],"negative_points":[[736,277.8],[715.6,321.3],[278.6,713],[156.3,463]],"evidence":"通过“PubMed Advanced Search Builder”标题及组合 lung cancer 与 nhanes 的查询内容识别目标。框覆盖标题、字段选择器、检索词输入框、AND 控件、Show Index、Query box 和 Search 按钮。正点分布于标题及主要输入与按钮表面；负点位于排除的 PubMed 标志、User Guide、下方搜索历史标题和左侧外部背景。"}},{"name":"Search field selector","description":"The dropdown at the left of the advanced builder initially reads “All Fields.” Its menu opens and “Title/Abstract” is selected.","membership":"Includes the selector surface, boundary, label, arrow, and the expanded options menu with its scrollbar while visible. Excludes the neighboring term input and temporary focus indicators.","id":"obj_005","temporal":{"status":"found","start_s":4.0,"end_s":20.0,"reference_s":4.5,"evidence":"目标是高级检索构建器左侧的字段下拉框，初始显示“All Fields”，5.00–5.75秒展开带滚动条的选项菜单，6.00秒起显示“Title/Abstract”。首个合格帧为4.00秒，最后为19.75秒；前一帧3.75秒仍是PubMed首页，后一帧20.00秒已切换为检索结果页，目标消失。选择4.50秒作为关键帧，下拉框表面、边界、标签和箭头清晰，且无遮挡。","start_frame":96,"end_frame":480,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[208.3,384.3,352.6,430.6],"positive_points":[[221.4,407.4],[253.6,401.9],[300.5,395.4],[330.2,418.5],[341.1,407.4],[226.6,419.4]],"negative_points":[[406.3,407.4],[250,363],[255.2,533.3],[192.7,408.3]],"evidence":"目标是高级检索构建器左侧显示“All Fields”的下拉选择器。边框覆盖选择器表面、文字和右侧箭头；当前菜单未展开。正点分布于标签、箭头及选择器表面，负点位于相邻检索词输入框、上方说明文字、下方查询框和左侧外部背景。"}},{"name":"History and Search Details table","description":"The section beneath the advanced builder displays one previous search combining lung cancer and nhanes in Title/Abstract, with 151 results and the time 08:52:48.","membership":"Includes the section heading, Download and Delete controls, table boundary, column headings, search row, and entry-count text. Excludes the query-building form and page footer.","id":"obj_006","temporal":{"status":"found","start_s":4.0,"end_s":20.0,"reference_s":4.5,"evidence":"目标是高级检索构建器下方的“History and Search Details”区域，包含 Download、Delete、表头、lung cancer 与 nhanes 的 Title/Abstract 检索记录、151 条结果、08:52:48 及条目计数。首个合格帧为 4.00 秒，最后为 19.75 秒；此前 3.75 秒仍是 PubMed 首页，此后 20.00 秒已切换到检索结果页，目标消失。选择 4.50 秒作为关键帧，该区域完整清晰，且无下拉菜单或字幕遮挡。","start_frame":96,"end_frame":480,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[208.3,702.8,782.8,860.2],"positive_points":[[263,714],[699,717],[317,766],[485,807],[723,806],[274,851]],"negative_points":[[441,554],[490,937],[174,777],[502,666]],"evidence":"目标位于查询构建器下方，标题为“History and Search Details”，唯一记录包含 lung cancer 与 nhanes、151 条结果及时间 08:52:48。边界框覆盖标题、Download/Delete 控件、完整表格和条目计数。正点分布于标题、下载控件、表头、查询记录、结果数及计数文字；负点位于查询表单、页脚和区块外背景。"}},{"name":"Search-results query field","description":"The white search field at the top of the results page displays “(lung cancer[Title/Abstract]) AND (nhanes[Title/Abstract])” beside a blue Search button.","membership":"Includes the field surface, boundary, query text, clear control, and attached Search button. Excludes the PubMed logo and the Advanced, Create alert, and Create RSS links below.","id":"obj_007","temporal":{"status":"found","start_s":20.0,"end_s":23.25,"reference_s":21.5,"evidence":"目标是结果页顶部显示指定联合检索式的白色输入框及相连 Search 按钮，不含左侧 PubMed 标志或下方链接。20.00 秒框体和按钮边界已完整建立，按钮随后由加载时的灰色变为蓝色；最后完整可见帧为 23.00 秒。此前 19.75 秒仍是高级检索构建页；此后 23.25 秒滚动使目标被画面上边界裁切。选择 21.50 秒作为关键帧，检索式、清除控件和蓝色按钮均清晰完整。","start_frame":480,"end_frame":558,"reference_frame":516},"grounding":{"status":"found","bbox_xyxy":[360.42,235.19,782.81,281.48],"positive_points":[[376.56,259.26],[481.77,259.26],[598.96,259.26],[651.04,255.56],[701.56,258.33],[748.96,259.26]],"negative_points":[[268.23,260.19],[379.17,297.22],[473.96,298.15],[598.96,217.59]],"evidence":"目标是结果页顶部显示指定查询式的白色搜索框。边界框覆盖输入框表面、边界、查询文字、清除控件及右侧蓝色Search按钮。六个正点分布于查询文字、输入框表面、清除控件和按钮；负点位于PubMed标志、下方Advanced与Create RSS链接及上方外部背景。"}},{"name":"Results by year chart","description":"The compact teal publication histogram in the left sidebar of the results page, labeled “RESULTS BY YEAR,” with a year range from 1994 to 2026.","membership":"Includes the chart title, expand and download controls, histogram bars, baseline, year labels, and range handles. Excludes the publication-date filter section below.","id":"obj_008","temporal":{"status":"found","start_s":20.5,"end_s":24.25,"reference_s":22.0,"evidence":"目标是结果页左侧标有“RESULTS BY YEAR”的青绿色发表年份柱状图，包含展开、下载控件及1994—2026年范围手柄。20.5秒首次完整清晰呈现，24.0秒为最后一个全部成员仍在画面内的采样帧；此前20.25秒图表尚在淡入加载，此后24.25秒随页面滚动，上部标题和控件已被画面边界裁切。选择22.0秒作为关键帧，图表完整、清晰且无遮挡。","start_frame":492,"end_frame":582,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[208.3,538.9,342.7,723.1],"positive_points":[[234.4,544.4],[217.2,591.7],[241.1,592.6],[329.7,610.2],[218.2,714.8],[338.0,690.7]],"negative_points":[[246.9,493.5],[244.3,755.6],[244.8,795.4],[355.7,621.3]],"evidence":"目标是左侧标有“RESULTS BY YEAR”的青绿色年度发表量图。边框覆盖标题、展开及下载控件、柱条、基线、1994—2026年份标签和范围手柄。正点分布于标题、两个控件、高柱、左侧年份及右侧手柄；负点位于上方自定义筛选、下方发表日期筛选及图表右侧背景，排除这些区域。"}},{"name":"Search-results filter sidebar","description":"The left column of result filters offers publication-date ranges, text availability, article attributes, and article types, followed by additional-filter and reset controls.","membership":"Includes the filter section labels, radio buttons, checkboxes, option text, and additional, clear, and reset controls as they scroll into view. Excludes the separate year histogram above and article results to the right.","id":"obj_009","temporal":{"status":"found","start_s":20.0,"end_s":32.0,"reference_s":24.75,"evidence":"目标是结果页左侧的筛选栏，由出版日期、全文可用性、文章属性和类型等选项识别，不包含上方年份直方图。20.00秒结果页筛选栏已建立；前一帧19.75秒仍是高级检索页面。此后同一栏随页面滚动，附加、清除和重置控件陆续进入视野，至末帧31.75秒仍可见，视频结束后无相邻帧。选择24.75秒作为关键帧，此时筛选栏多个分组及附加筛选按钮清晰可辨，与右侧文章结果分离。","start_frame":480,"end_frame":768,"reference_frame":594},"grounding":{"status":"found","bbox_xyxy":[208.3,124.1,343.8,944.4],"positive_points":[[240.6,130.6],[217.7,161.1],[249.5,390.7],[260.4,509.3],[267.2,820.4],[256.8,925.9]],"negative_points":[[219.3,89.8],[468.8,205.6],[156.3,463.0],[469.8,773.1]],"evidence":"目标是左侧搜索结果筛选栏。框覆盖出版日期、文本可用性、文章属性、文章类型及底部可见的 Additional filters 控件，不包含上方年份区域和右侧文章结果。正点分布在筛选标签、单选按钮、选项文字与底部控件上；负点位于上方年份、右侧结果内容及左侧外部空白。"}},{"name":"Nutritional and inflammatory status and breast cancer result","description":"The first result is “Combined influence of nutritional and inflammatory status and breast cancer: findings from the NHANES.” It shows BMC Public Health, 2024, authors beginning Gao X, and PMID 39160507. The demonstration returns to this result at the end.","membership":"Includes the complete result entry: selection box, rank and Cite label, linked title, journal badges, authors, DOI, PMID, abstract excerpt, and entry-specific tools. Excludes neighboring results and the sidebar.","id":"obj_010","temporal":{"status":"found","start_s":21.0,"end_s":24.25,"reference_s":21.25,"evidence":"通过首条结果标题、BMC Public Health、2024、Gao X及PMID 39160507确认目标。21.00秒首次完整显示题名、复选框、引文信息、摘要和条目工具；此前20.75秒工具行尚未完整出现。最后合格帧为24.00秒，24.25秒向下滚动后题名等上部内容已被画面边界裁切。选择21.25秒作关键帧，整个条目完整清晰，与第二条结果及侧栏易于区分。","start_frame":504,"end_frame":582,"reference_frame":510},"grounding":{"status":"found","bbox_xyxy":[367.7,519.4,775,789],"positive_points":[[379.2,529.6],[567.7,531.5],[436.5,583.3],[428.1,661.1],[576.6,712],[560.4,773.1]],"negative_points":[[274,634.3],[521,831.5],[634.9,356.5],[379.7,473.1]],"evidence":"根据首条标题“Combined influence of nutritional and inflammatory status and breast cancer: findings from the NHANES.”及BMC Public Health、2024和PMID 39160507确认目标。框覆盖完整首条结果，包括选择框、序号、Cite、标题、期刊徽标、作者、DOI、PMID、摘要和底部工具。正点分布于选择框、标题、徽标、PMID、摘要及工具；负点位于左侧栏、第二条结果、排序控件及上方结果计数。"}},{"name":"Physical activity and cancer risk result","description":"The second result is “Physical activity and cancer risk: a dose-response analysis for the Global Burden of Disease Study 2019.” It shows Cancer Commun (Lond), 2023, and PMID 37743572.","membership":"Includes the complete result entry, including its selection box, rank, Cite label, title, journal badges, authors, identifiers, excerpt, and associated tools. Excludes adjacent results and filters.","id":"obj_011","temporal":{"status":"found","start_s":23.25,"end_s":26.5,"reference_s":24.5,"evidence":"通过第二条结果的完整标题、Cancer Commun (Lond)、2023及 PMID 37743572 确认目标。23.25秒首次完整呈现该条目的选择框、标题、出版信息、摘要片段及底部工具；26.25秒为最后完整帧。此前23.00秒条目下部仍被画面底边裁切，此后26.50秒条目顶部已随滚动越出画面。选择24.50秒作关键帧，目标完整清晰，与相邻结果易于区分，字幕未遮挡该条目。","start_frame":558,"end_frame":636,"reference_frame":588},"grounding":{"status":"found","bbox_xyxy":[367.7,194.4,768.8,457.4],"positive_points":[[379.2,204.6],[596.4,206.5],[446.9,258.3],[435.9,335.2],[670.8,385.2],[492.2,448.1]],"negative_points":[[251,390.7],[492.7,148.1],[568.2,530.6],[833.3,342.6]],"evidence":"根据第二条标题“Physical activity and cancer risk…”、Cancer Commun (Lond)、2023及PMID 37743572确认目标。框覆盖该结果的选择框、序号、Cite、标题、期刊徽章、作者、标识符、摘要片段及底部工具。正点分布在选择框、标题、徽章、PMID、摘要和工具上；负点位于左侧筛选项、上下相邻结果及右侧空白。"}},{"name":"Lung cancer inflammation index and diabetes mortality result","description":"The third result is “Relationship between advanced lung cancer inflammation index and long-term all-cause, cardiovascular, and cancer mortality among type 2 diabetes mellitus patients: NHANES, 1999-2018.” It shows Front Endocrinol (Lausanne), 2023, and PMID 38111710.","membership":"Includes the complete result entry with its selection box, rank, Cite label, title, journal badges, authors, identifiers, abstract excerpt, and entry-specific tools. Excludes surrounding results and sidebar content.","id":"obj_012","temporal":{"status":"found","start_s":24.25,"end_s":27.25,"reference_s":25.5,"evidence":"根据第3条结果的完整标题、Front Endocrinol (Lausanne)、2023及PMID 38111710识别目标。24.25秒首次完整显示该条目的选择框、标题、文献信息、摘要节选和底部工具；此前24.00秒条目底部仍被画面下缘截断。最后合格帧为27.00秒，27.25秒标题上部已随滚动被页面顶部裁切。选择25.50秒作为关键帧，条目完整清晰，且与相邻结果易于区分。","start_frame":582,"end_frame":654,"reference_frame":612},"grounding":{"status":"found","bbox_xyxy":[367.7,493.5,767.7,782.4],"positive_points":[[374.6,558.8],[585.9,505.1],[448.4,583.3],[425.5,661.1],[548.4,711.1],[490.6,773.1]],"negative_points":[[264.1,626.9],[538.5,385.2],[555.7,829.6],[818.8,626.9]],"evidence":"通过第三条标题中的肺癌炎症指数、糖尿病死亡率及 NHANES 1999-2018，以及 PMID 38111710 确认目标。框覆盖该结果的选择框、序号、Cite、完整标题、期刊年份徽章、作者、标识符、摘要片段和底部工具。正点分布于 Cite、标题、期刊徽章、PMID、摘要和工具；负点位于左侧筛选栏、上下相邻结果及右侧外部空白。"}},{"name":"Planetary Health Diet result","description":"The fourth result is “Planetary Health Diet and risk of mortality and chronic diseases: Results from US NHANES, UK Biobank, and a meta-analysis.” It shows Sci Adv, 2025, and PMID 40911663.","membership":"Includes the complete result entry, from its selection box and title through its journal badges, authors, identifiers, excerpt, and tools. Excludes neighboring article entries and filters.","id":"obj_013","temporal":{"status":"found","start_s":26.5,"end_s":30.75,"reference_s":27.25,"evidence":"根据第四条结果标题“Planetary Health Diet and risk of mortality and chronic diseases”、Sci Adv、2025及 PMID 40911663 确认目标。26.50秒首次完整呈现从选择框、标题到摘要和底部工具的整条结果；此前26.25秒底部工具仍在画面外。最后 qualifying 帧为30.50秒，随后30.75秒向上滚动页面使该条目底部被画面下缘裁切。选27.25秒为关键帧，完整条目清晰可见，且与上下相邻结果容易区分。","start_frame":636,"end_frame":738,"reference_frame":654},"grounding":{"status":"found","bbox_xyxy":[367.7,402.8,769.3,666.7],"positive_points":[[379.2,412.5],[583.3,414.8],[443.2,466.7],[432.8,544.4],[596.9,594.4],[486.5,656.5]],"negative_points":[[573.4,113.9],[580.2,715.7],[264.6,440.7],[836.5,537.0]],"evidence":"根据标题“Planetary Health Diet…”、Sci Adv 2025及PMID 40911663定位第四条结果。框覆盖左侧选择框、序号和引用入口，以及标题、期刊徽章、作者、标识符、摘要片段和底部工具。正点分布于选择框、标题、徽章、PMID、摘要和工具；负点位于上下相邻文章、左侧筛选区及右侧外部空白。"}},{"name":"Nutritional status, inflammation, and depressive symptoms result","description":"The fifth result is “Combined influence of nutritional and inflammatory status and depressive symptoms on mortality among US cancer survivors: Findings from the NHANES.” It shows Brain Behav Immun, 2024, and PMID 37820973.","membership":"Includes the complete result entry: selection box, rank, Cite label, title, journal badges, authors, identifiers, abstract excerpt, tools, and “Item in Clipboard” status. Excludes other result entries.","id":"obj_014","temporal":{"status":"found","start_s":28.75,"end_s":30.75,"reference_s":29.25,"evidence":"通过第5条结果的完整标题、Brain Behav Immun 2024、PMID 37820973及“Item in Clipboard”状态确认目标。首次完整呈现为28.75秒，最后完整帧为30.50秒，包含选择框、序号、Cite、文献信息、摘要和工具栏。前一帧28.50秒的条目下部仍被画面底边裁切；后一帧30.75秒向上滚动后，该条目大部分移出画面底部。选择29.25秒作为关键帧，条目完整清晰，且与上下结果容易区分。","start_frame":690,"end_frame":738,"reference_frame":702},"grounding":{"status":"found","bbox_xyxy":[367.7,492.6,773.4,755.6],"positive_points":[[379.2,502.8],[612.5,503.7],[435.4,556.5],[429.2,634.3],[570.8,684.3],[707.3,744.4]],"negative_points":[[540.6,230.6],[493.8,446.3],[572.9,803.7],[259.4,437.0]],"evidence":"通过第五条标题、Brain Behav Immun／2024徽标及PMID 37820973确认目标。框覆盖该条完整结果，包括选择框、序号、Cite、标题、作者、标识符、摘要、工具及Item in Clipboard状态。正点分布于选择框、标题、徽标、PMID、摘要和状态文字；负点位于上一条结果、下一条结果及左侧筛选控件。"}},{"name":"PFAS and cancer association result","description":"The sixth result, partially revealed near the bottom during scrolling, concerns associations between per- and polyfluoroalkyl substances and brain, esophageal, melanomatous skin, prostate, and lung cancer using NHANES datasets. Authors Moon J and Mun Y and DOI 10.1016/j.heliyon.2024.e24337 are visible.","membership":"Includes the visible portion of this result entry, including its selection box, rank, Cite label, linked title, publication badges, authors, and DOI. Excludes the preceding result and overlaid subtitles.","id":"obj_015","temporal":{"status":"found","start_s":28.75,"end_s":30.75,"reference_s":29.0,"evidence":"通过第6条结果的PFAS与多种癌症关联标题、作者Moon J和Mun Y及DOI 10.1016/j.heliyon.2024.e24337确认目标。按指定的可见部分范围，首个合格帧为28.75秒，末帧为30.50秒；28.50秒尚未显示该条目，30.75秒向上滚动后该条目已离开画面。选择29.00秒作关键帧，选择框、序号、标题、出版标记、作者和DOI较易辨认，字幕遮挡部分标题但不属于目标。","start_frame":690,"end_frame":738,"reference_frame":696},"grounding":{"status":"found","bbox_xyxy":[367.7,791.7,771.4,943.5],"positive_points":[[374.2,797.2],[378.9,829.4],[569.8,803.7],[675.5,829.6],[418.8,910.2],[484.4,934.3]],"negative_points":[[574.0,528.7],[445.3,584.3],[352.1,866.7],[833.3,907.4]],"evidence":"根据第6条标题中的PFAS、多种癌症及NHANES，以及Moon J、Mun Y和所示DOI确认目标。框覆盖底部该结果的可见部分，包括选择框、序号、标题、出版标记、作者和DOI；Cite区域部分被字幕遮挡。正点分布在选择框、序号、标题两行、作者和DOI上；负点位于上一条结果、叠加字幕及右侧外部空白，不将字幕计入目标。"}}]}
+{"video_id":36,"video_type":"desktop and application interfaces","targets":[{"name":"Operations on Tensors heading","description":"Large heading above the central article on the PyTorch Tensors tutorial page.","membership":"Includes only the heading text; excludes the breadcrumb, article body, and page background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":2.5,"reference_s":1.25,"evidence":"目标是 PyTorch 教程中央正文上方的大标题“Operations on Tensors”，不包括正文或面包屑。首个合格帧为0.00秒，标题已完整显示；最后合格帧为2.25秒。2.50秒切换到加载中的空白文档页，标题消失。区间从视频开头开始，没有更早采样帧。选择1.25秒作为关键帧，因为右键菜单已关闭，标题清晰且无遮挡。","start_frame":0,"end_frame":60,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[272,272.2,454.3,299.1],"positive_points":[[274.3,283.3],[294.6,283.3],[325.8,283.3],[373.3,283.3],[396.4,274.1],[443.9,283.3]],"negative_points":[[328,246],[351,336],[309,150],[895,297]],"evidence":"目标是中央文章上方的大标题“Operations on Tensors”。边界框紧贴整行标题文字；六个正点分布在标题各部分的字形笔画上，负点位于标题上方空白、下方正文、顶部面包屑和右侧导航，均排除在目标之外。"}},{"name":"Tensor operations explanation","description":"Three introductory paragraphs describing available tensor operations, GPU execution, and moving tensors from CPU to GPU. The first paragraph contains the link labeled “here”.","membership":"Includes the three paragraphs and their inline links and code text. Excludes the heading, code example below, and overlaid context menu.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":2.5,"reference_s":1.25,"evidence":"目标是“Operations on Tensors”标题下的三段说明，分别介绍张量运算、GPU执行及使用.to将张量移至GPU，第一段含“here”链接。首个合格帧为0.00秒，虽然上下文菜单局部遮挡，文字块已完整建立；最后合格帧为2.25秒。视频起点之前无 sampled 帧，2.50秒切换至空白加载页，目标消失。选择1.25秒作为关键帧，此时菜单已关闭，三段文字完整清晰可见。","start_frame":0,"end_frame":60,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[272,328,829,532.5],"positive_points":[[316.6,337],[514.5,361],[476.3,405.6],[407.4,429.6],[309.6,474.1],[289,523.1]],"negative_points":[[362.3,284.3],[366.9,614.8],[110,355.6],[895.3,297.2]],"evidence":"根据正文内容识别出介绍张量运算、GPU执行及CPU到GPU迁移的三个段落。边界框覆盖三段完整文字及内联“here”链接和“.to”代码，不包含上方标题或下方代码示例。六个正点分布在各段文字上；负点位于标题、代码示例及左右导航文字上。"}},{"name":"Link context menu","description":"Chinese browser context menu opened over the tutorial’s “here” link, with “在新标签页中打开链接” as its first option.","membership":"Includes the complete menu surface, boundary, separators, options, and submenu arrows. Excludes the underlying article and ordinary cursor.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0.25,"evidence":"目标为 tutorial 的“here”链接上方的中文右键菜单，首项是“在新标签页中打开链接”，菜单边界、分隔线及子菜单箭头完整可见。首次合格帧为0秒，最后合格帧为1.00秒；1.25秒菜单已消失。区间始于视频开头，无此前采样帧。选择0.25秒作为关键帧，菜单完整清晰，首项高亮，易于标注。","start_frame":0,"end_frame":30,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[518,355,686,673],"positive_points":[[580,370],[552,413],[636,454],[565,523],[618,565],[670,655]],"negative_points":[[477,361],[720,407],[491,611],[724,720]],"evidence":"目标是覆盖教程“here”链接的中文右键菜单，首项为“在新标签页中打开链接”。框覆盖完整菜单表面、边界、分隔线、选项及子菜单箭头，不含外侧阴影和普通光标。正点分布于菜单上下各区域，负点位于菜单外的文章文字、代码区及页面背景。"}},{"name":"GPU transfer code example","description":"Light-gray code block demonstrating “if torch.cuda.is_available():” and “tensor = tensor.to('cuda')”.","membership":"Includes the rectangular code-block surface and all its code and comment text. Excludes surrounding explanatory paragraphs and the context menu overlay.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":2.5,"reference_s":1.25,"evidence":"目标是浅灰色矩形代码块，包含 GPU 转移注释、if torch.cuda.is_available(): 和 tensor = tensor.to('cuda')。首个合格帧为 0.00 秒，代码块已建立，仅被右键菜单局部遮挡��视频起点前无采样帧。最后合格帧为 2.25 秒，紧邻的 2.50 秒已切换至空白加载页，目标消失。选择 1.25 秒为关键帧，此时菜单已关闭，代码块及全部文字清晰完整可见。","start_frame":0,"end_frame":60,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[272,555.6,835.1,675],"positive_points":[[295.1,590.7],[376.2,613.9],[436.9,638],[584.5,583.3],[755.2,620.4],[691.6,656.5]],"negative_points":[[520.8,498.1],[526.6,731.5],[191,601.9],[549.8,851.9]],"evidence":"根据注释及 if torch.cuda.is_available():、tensor = tensor.to('cuda') 识别目标。边界框紧贴浅灰色代码块，包含完整矩形表面及全部代码和注释。六个正点分布在文字与代码块表面；四个负点位于上、下方说明文字、左侧导航区及下方另一代码块，不包含周围段落。"}},{"name":"Indexing and slicing introduction","description":"Text below the GPU example introducing the operation examples and the bold line “Standard numpy-like indexing and slicing:”.","membership":"Includes the introductory sentence and bold subsection label as one compact text unit. Excludes the code block below and page background.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":2.5,"reference_s":1.25,"evidence":"目标是GPU代码示例下方的操作示例引导句及粗体标题“Standard numpy-like indexing and slicing:”，不包括下方代码块。首个合格帧为0.00秒，末个为2.25秒，两部分文字均完整可见；目标从视频开始即已呈现，没有更早的采样帧。紧接着2.50秒切换到空白加载页面，目标消失。选择1.25秒作为关键帧，因为右键菜单已关闭，目标清晰且无遮挡。","start_frame":0,"end_frame":60,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[272.0,723.1,832.2,786.1],"positive_points":[[276.6,730.6],[430.0,731.5],[610.0,731.5],[805.6,731.5],[298.6,775.9],[387.7,775.9]],"negative_points":[[347.2,842.6],[347.2,613.9],[257.5,751.9],[855.3,775.9]],"evidence":"目标位于 GPU 示例下方，包括以“Try out some of the operations”开头的介绍句及粗体“Standard numpy-like indexing and slicing:”标签。边界框紧贴这两行完整文字；六个正点分布在两行字形上，负点位于上下代码块及左右外部背景，排除代码和页面背景。"}},{"name":"Indexing and slicing code example","description":"Partially visible light-gray example beginning with “tensor = torch.ones(4, 4)” and print statements for the first row, first column, and last column.","membership":"Includes the code-block surface and its visible code, continuing to the viewport’s lower clipping edge. Excludes the browser download shelf and preceding introduction.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":2.5,"reference_s":1.25,"evidence":"目标是“Standard numpy-like indexing and slicing”下方的浅灰色代码块，可见 tensor = torch.ones(4, 4) 及首行、首列、末列的 print 语句，底部按描述截于下载栏上方。首个合格帧为0.00秒，最后为2.25秒；视频起点之前无采样帧，2.50秒已切换到空白加载页，代码块消失。选择1.25秒作为关键帧，因为右键菜单已关闭，目标表面和可见代码清晰。","start_frame":0,"end_frame":60,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[272,807.4,835.1,937],"positive_points":[[300,843],[423,867],[346,891],[488,913],[656,851],[784,913]],"negative_points":[[393,776],[461,970],[202,863],[893,857]],"evidence":"目标是页面下方以“tensor = torch.ones(4, 4)”开头的浅灰色代码示例。边界框涵盖代码块表面及可见代码，下沿止于视口裁切处，不包含下载栏。正点分布在代码和灰色表面上；负点位于上方介绍标题、底部下载栏、左侧导航及右侧外部空白。"}},{"name":"TORCH documentation title","description":"Large “TORCH” title at the top of the newly opened PyTorch documentation article.","membership":"Includes only the title lettering. Excludes the breadcrumb, introduction, and surrounding website navigation.","id":"obj_007","temporal":{"status":"found","start_s":8,"end_s":11.75,"reference_s":10,"evidence":"目标是新打开的 PyTorch 文档正文顶部的大写「TORCH」标题，仅指标题字母。8.00 秒首次完整显示，11.50 秒仍完整可见；此前 7.75 秒页面为空白，随后 11.75 秒标题已随滚动移出画面。选择 10.00 秒为关键帧，标题清晰、无遮挡，易与面包屑和导航区分。","start_frame":192,"end_frame":282,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[272.6,300.9,344.3,325.9],"positive_points":[[278.4,303.7],[288.2,313.0],[306.1,313.0],[320.0,313.9],[336.2,305.6],[342.0,322.2]],"negative_points":[[312.0,250.0],[321.0,371.0],[664.0,175.0],[380.0,317.0]],"evidence":"目标是文章正文顶部、面包屑下方的大号“TORCH”标题。边界框仅覆盖标题字母；六个正点分布在各字母笔画上，负点位于面包屑、简介、顶部导航及标题右侧空白处。"}},{"name":"Torch package introduction","description":"Two paragraphs under “TORCH” describing multidimensional tensors, mathematical operations, serialization utilities, and the CUDA counterpart.","membership":"Includes both paragraphs of article text as they move upward during scrolling. Excludes the title, Tensors heading, sidebars, and background.","id":"obj_008","temporal":{"status":"found","start_s":8.0,"end_s":12.5,"reference_s":10.0,"evidence":"目标为“TORCH”标题下的两段正文，分别介绍张量、数学运算及序列化工具，以及 CUDA 对应实现。8.00 秒首次完整显示，12.25 秒仍两段完整可见；此前 7.75 秒页面内容区为空白，随后 12.50 秒滚动已使正文上部被裁切。选择 10.00 秒作为关键帧，两段文字清晰、无遮挡，且与标题和侧栏易于区分。","start_frame":192,"end_frame":300,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[272.0,363.9,831.0,495.4],"positive_points":[[277.8,370.4],[549.8,370.4],[706.0,395.4],[284.1,420.4],[457.8,464.8],[277.2,489.8]],"negative_points":[[306.1,313.0],[300.3,544.4],[52.1,470.4],[867.5,426.0]],"evidence":"目标是“TORCH”标题下介绍张量、数学运算、序列化工具及 CUDA 对应实现的两段正文。边界框覆盖两段全部文字，包括末行“3.0”，不含标题和“Tensors”小标题。六个正点分布在两段各行的文字笔画上；四个负点位于标题、Tensors 小标题及左右侧栏文字上。"}},{"name":"Tensors documentation heading","description":"The “Tensors” section heading above the API reference table in the first presentation of the torch documentation.","membership":"Includes only the heading text. Excludes the introduction and API table below.","id":"obj_009","temporal":{"status":"found","start_s":8.0,"end_s":20.0,"reference_s":10.0,"evidence":"目标是首次打开 torch 文档后，介绍段落下方、API 表格上方的“Tensors”标题，仅包含标题文字。8.00 秒首次完整显示，19.75 秒仍完整可见；此前 7.75 秒页面尚为空白，随后 20.00 秒浏览器向左退出并切换到终端，目标已不可见。选择 10.00 秒作为关键帧，此时标题清晰、无遮挡，与介绍及表格易于区分。","start_frame":192,"end_frame":480,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[272.0,533.3,333.9,555.6],"positive_points":[[277.2,536.1],[286.5,545.4],[294.0,548.1],[303.8,544.4],[313.1,552.3],[330.4,548.1]],"negative_points":[[307.9,489.0],[306.1,635.2],[361.1,546.3],[865.7,339.8]],"evidence":"目标是正文介绍下方、API 表格上方的“Tensors”章节标题，而非右侧导航中的同名文字。边界框仅覆盖标题文字；六个正点分布在标题各字母笔画上，负点位于上方介绍、下方表格、右侧空白及右侧导航文字处。"}},{"name":"Tensor API reference table","description":"Two-column documentation table pairing function links with descriptions, initially showing “is_tensor”, “is_storage”, “is_complex”, and “is_floating_point”; scrolling also exposes “is_nonzero”, “set_default_dtype”, and “get_default_dtype”.","membership":"Includes the full visible table region, its row surfaces, function links, and descriptions throughout loading-style changes and scrolling. Excludes the section heading, article introduction, sidebars, and browser chrome.","id":"obj_010","temporal":{"status":"found","start_s":8.0,"end_s":20.0,"reference_s":13.0,"evidence":"目标是将 is_tensor、is_storage、is_complex 等函数链接与说明配对的两列表格。首个合格帧为 8.00 秒，表格已建立；随后加载样式变化和滚动仍属于同一表格。最后合格帧为 19.75 秒。相邻的 7.75 秒页面尚为空白；20.00 秒浏览器开始滑出，表格被画面边缘裁切。选择 13.00 秒作为关键帧，因为两列及多行表格表面清晰可见，且额外显示 is_nonzero、set_default_dtype 和 get_default_dtype，便于区分表格与页眉及侧边栏。","start_frame":192,"end_frame":480,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[271.99,200,835.07,937.04],"positive_points":[[308,249],[655,239],[692,449],[330,587],[680,690],[329,898]],"negative_points":[[302,158],[103,475],[901,492],[520,66]],"evidence":"根据 is_tensor、is_storage、is_complex 等函数链接及右侧说明识别出双列表格。边框覆盖从首行到下方部分可见的 get_default_dtype 行，包括各行底色、链接和说明。正点分布在表格左右两列及上中下各处；负点位于章节标题、左侧导航、表格右侧空白和浏览器栏，均不属于表格。"}},{"name":"Python tensor demonstration transcript","description":"Terminal command-and-output block showing variations of torch.rand, a TypeError for a set argument, the tensor variable “a”, its dtype, shape, and device, and the subsequently entered “torch.is_tensor(a)” returning “True”.","membership":"Includes the visible monospaced command history, outputs, traceback, and current input prompt as one continuously updating transcript. Excludes the terminal window surface, tab bar, watermark, and cursor.","id":"obj_011","temporal":{"status":"found","start_s":20.0,"end_s":42.25,"reference_s":31.0,"evidence":"根据 torch.rand 的多种调用、set 参数 TypeError、变量 a 的 dtype/shape/device，以及随后 torch.is_tensor(a) 返回 True，确认该持续更新的终端记录。首个合格帧为20.00秒，文字记录已完整可见，19.75秒仍是网页；最后合格帧为42.00秒，42.25秒切回网页时记录向右移出并被画面边缘裁切。选择31.00秒，命令、回溯及 True 结果清晰可见，便于标注。","start_frame":480,"end_frame":1014,"reference_frame":744},"grounding":{"status":"found","bbox_xyxy":[2.9,34.3,653.5,983.3],"positive_points":[[100,43],[76,164],[643,344],[59,644],[122,795],[13,944]],"negative_points":[[40,974],[694,463],[810,67],[347,13]],"evidence":"目标是左侧连续的 Python 命令与输出记录，包含 torch.rand 示例、TypeError、变量 a 的属性查询，以及 torch.is_tensor(a) 和 True。边界框覆盖顶部可见输出至底部当前提示符；正点分布在不同高度的文字笔画上，负点位于明确排除的光标、右侧空白、水印和顶部标签栏。"}},{"name":"Torch package introduction on return","description":"The two-paragraph torch package introduction visible again when the browser replaces the terminal, above the Tensors section.","membership":"Includes the package-description and CUDA paragraphs only. Excludes the Tensors heading, API table, sidebars, and page background.","id":"obj_012","temporal":{"status":"found","start_s":42.25,"end_s":45.0,"reference_s":42.75,"evidence":"目标为浏览器返回后、Tensors 标题上方的 torch 包介绍及 CUDA 说明两段文字。42.25 秒虽仍在窗口切换中，但两段文字已完整可见；前一帧 42.00 秒仍是终端，没有目标。最后 qualifying 帧为 44.75 秒，目标持续到视频结束 45.00 秒，无后续帧。选择 42.75 秒，文字清晰、布局稳定且无遮挡。","start_frame":1014,"end_frame":1080,"reference_frame":1026},"grounding":{"status":"found","bbox_xyxy":[272,140.7,831.6,273.1],"positive_points":[[280.7,148.1],[729.2,172.2],[285.3,197.2],[322.3,242.6],[764.5,242.6],[277.2,267.6]],"negative_points":[[304.4,322.2],[308.4,413],[49.8,247.2],[876.7,176]],"evidence":"目标是 Tensors 标题上方的两段介绍文字，分别说明 torch 包用途和 CUDA 支持。边界框覆盖两段的全部可见文字，包括末行“3.0”。六个正点分布在两段各行的文字笔画上；负点位于 Tensors 标题、API 表格及左右侧栏，均不属于目标。"}},{"name":"Tensors heading on return","description":"The “Tensors” heading visible above the reference table after returning from the terminal demonstration.","membership":"Includes only the heading text. Excludes the introductory paragraphs and table.","id":"obj_013","temporal":{"status":"found","start_s":42.25,"end_s":45.0,"reference_s":43.0,"evidence":"目标是从终端演示返回文档后、参考表格上方的“Tensors”标题，仅包括标题文字。42.25秒时标题已完整可见，尽管页面仍在切换移动；前一帧42.00秒仍为终端，没有该标题。标题持续可见至最后一帧44.75秒，因此区间 ends 于视频终点45.00秒，之后无采样帧。选取43.00秒，标题清晰、无遮挡且便于与上方段落和下方表格区分。","start_frame":1014,"end_frame":1080,"reference_frame":1032},"grounding":{"status":"found","bbox_xyxy":[272.0,312.0,333.9,333.3],"positive_points":[[276.0,315.7],[285.3,324.1],[294.6,320.4],[305.0,322.2],[316.0,325.9],[329.9,327.8]],"negative_points":[[347.2,240.7],[306.7,413.0],[248.8,324.1],[363.4,324.1]],"evidence":"目标是正文介绍段落下方、参考表格上方的“Tensors”标题。边界框仅覆盖该标题的完整文字；六个正点分布在标题各字母笔画上，负点位于上方介绍段落、下方表格及标题左右的外部背景，均不包含在目标中。"}},{"name":"Tensor API reference table on return","description":"The returned documentation table showing “is_tensor”, “is_storage”, “is_complex”, “is_floating_point”, and “is_nonzero”, with the pointer hovering over “is_tensor”.","membership":"Includes the visible table’s row surfaces, function links, and descriptions. Excludes the heading, surrounding navigation, ordinary cursor, and temporary hover tooltip.","id":"obj_014","temporal":{"status":"found","start_s":42.25,"end_s":45.0,"reference_s":43.25,"evidence":"目标为返回文档页后显示的五行 Tensor API 表格，包含 is_tensor、is_storage、is_complex、is_floating_point 和 is_nonzero。42.25 秒切换动画中表格自身已完整可见，虽页面仍在移动，也应计入；此前 42.00 秒仅显示终端。最后 qualifying 帧为 44.75 秒，表格仍在，视频于 45.00 秒结束，无后续帧。选择 43.25 秒作为关键帧：表格清晰完整，指针悬停于 is_tensor，尚无临时悬停提示遮挡。","start_frame":1014,"end_frame":1080,"reference_frame":1038},"grounding":{"status":"found","bbox_xyxy":[272,363,835,915],"positive_points":[[303,413],[680,403],[310,511],[632,614],[335,749],[684,847]],"negative_points":[[302,322],[73,494],[886,332],[222,969]],"evidence":"通过 is_tensor、is_storage、is_complex、is_floating_point 和 is_nonzero 五行函数及其说明识别目标。边界框紧贴可见表格，包含各行底面、链接和描述，不包含上方标题、导航、鼠标指针或悬停提示。正点分布于五行的链接和描述区域，负点位于标题、左侧导航、右侧空白和底部下载栏。"}}]}
+{"video_id":37,"video_type":"desktop and application interfaces","targets":[{"name":"One-click configuration panel","description":"The large rounded panel to the right of the local character card in the frontend beautification page. It initially shows “世界书配置” and later switches to “正则配置”, with forms for saving status-bar rules and HTML replacement scripts.","membership":"Include the panel surface, rounded boundary, tabs, field labels, input controls, text areas, options, and save buttons as they appear during scrolling and tab changes. Exclude the local character-card panel, page header, navigation, floating controls, and overlaid subtitles.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":4.5,"evidence":"目标是本地角色卡右侧的大型圆角配置面板，可由“世界书配置／正则配置”页签及表单识别。首个符合帧为0.00秒，面板已建立；滚动及切换页签期间仍为同一面板，最后符合帧为7.75秒。8.00秒已切换到角色卡管理的正则编辑器，原面板消失。区间始于视频开头，无更早采样帧。选择4.50秒为关键帧，面板页签、多个输入框及HTML文本区清楚，且无遮挡字幕，易与左侧角色卡区分。","start_frame":0,"end_frame":192,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[270.8,274.1,975.7,996.3],"positive_points":[[357,297],[596,402],[312,487],[589,572],[733,657],[496,824]],"negative_points":[[161,374],[405,187],[25,416],[942,777]],"evidence":"目标是本地角色卡右侧的大型圆角配置面板，顶部有“世界书配置”和当前选中的“正则配置”。边界框覆盖面板从顶部标签栏到画面底部的可见区域；正点分布于标签、预设输入框、写入选项、脚本名称、正则输入框及HTML文本区。负点位于左侧角色卡、页面标题区、侧栏导航和右侧悬浮控件，均不属于目标。"}},{"name":"Paste-and-save instruction subtitle","description":"Large white instructional text reading “粘贴后如图所示后保存”, overlaid across the lower portion of the configuration form.","membership":"Include only the subtitle glyphs as one text block. Exclude the configuration form and its controls behind them.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0.5,"evidence":"目标是配置表单下方的大号白色字幕“粘贴后如图所示后保存”，仅包含字幕字形。首个合格帧为0.00秒，字幕已完整显示；最后合格帧为1.50秒，1.75秒帧中字幕已消失，表单重置并出现保存提示。区间始于视频开头，无更早帧。选择0.50秒作为关键帧，字幕完整清晰、无遮挡。","start_frame":0,"end_frame":42,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[355.9,842.6,644.1,887.0],"positive_points":[[363.4,867.6],[387.7,856.5],[430.0,881.5],[478.6,850.0],[542.8,863.9],[632.5,874.1]],"negative_points":[[324.1,866.7],[592.6,906.5],[463.0,817.6],[671.3,866.7]],"evidence":"目标是配置表单下部叠加的白色大字“粘贴后如图所示后保存”。边界框紧贴整行字幕，六个正点分布在不同汉字的笔画上；四个负点位于字幕外的表单背景及上下方控件上，不包含字间空隙。"}},{"name":"Status-bar regex editing panel","description":"The central editing panel in the character manager, initially headed “编辑: 状态栏美化渲染”. It shows the rule name, find expression, HTML replacement, trimming field, advanced settings, and subsequently the simulator.","membership":"Include the central panel surface, boundary, heading, delete control, and all its scrolling form contents, including the simulator. Exclude the script list on the left, section navigation on the right, application toolbar, floating controls, and subtitles.","id":"obj_003","temporal":{"status":"found","start_s":8.0,"end_s":17.25,"reference_s":8.0,"evidence":"目标是角色管理器中央标题为“编辑: 状态栏美化渲染”的编辑面板，包含删除按钮、规则表单及随后滚动显示的模拟器。首个合格帧为8.00秒，最后为17.00秒；此前7.75秒仍是前端美化的一键配置页面，此后17.25秒已切换到千问聊天页面。选择8.00秒作为关键帧，因为面板边界和标题清晰，主要表单可见且无字幕遮挡。","start_frame":192,"end_frame":414,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[226.3,205.6,920.7,995.4],"positive_points":[[306,239],[552,340],[680,444],[489,686],[578,826],[722,958]],"negative_points":[[133,432],[957,367],[787,173],[943,777]],"evidence":"依据“编辑: 状态栏美化渲染”标题及规则名称、查找表达式、HTML替换、修剪和高级配置字段识别中央编辑面板。框覆盖面板可见表面、边界、标题、删除按钮及底部截断的表单内容；正点分布于标题和各段表单，负点位于左侧脚本列表、右侧导航、顶部应用工具栏及右侧浮动控件。"}},{"name":"Regex testing instruction subtitle","description":"White instructional text over the lower editor, changing from “去正则界面使用测试” to “字符串查看实际效果”.","membership":"Include the continuously presented subtitle text block only. Exclude the editor surface and any underlying labels or controls.","id":"obj_004","temporal":{"status":"found","start_s":8.5,"end_s":12.0,"reference_s":9.0,"evidence":"目标为编辑器下方连续显示的白色教学字幕，先为“去正则界面使用测试”，10.25秒起变为“字符串查看实际效果”。首个 qualifying 帧为8.50秒，最后为11.75秒；紧邻之前的8.25秒和之后的12.00秒均无该字幕。选择9.00秒为关键帧，字幕完整清晰，易于与下方编辑器标签区分。","start_frame":204,"end_frame":288,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[371.5,842.6,630.2,887.0],"positive_points":[[385.4,851.9],[412.0,850.0],[450.8,863.9],[498.3,849.1],[547.5,867.6],[614.0,865.7]],"negative_points":[[342.0,814.8],[573.0,886.1],[628.0,920.4],[407.0,959.3]],"evidence":"目标是编辑器下方叠加的大号白色字幕“去正则界面使用测试”。边界框仅覆盖这行字幕，六个正点分布在不同汉字笔画上；负点位于编辑器提示、下方较小的底层标签及控件处，排除这些非字幕内容。"}},{"name":"Regex simulator","description":"The editor section headed “模拟器”, containing a test-string text area, macro values, source-versus-HTML controls, and a result area. The test text is replaced by a “<status_bar>” example, and the result remains unstyled when HTML rendering is selected.","membership":"Include the simulator heading and the compact section containing its labels, test input, macro inputs, display controls, and result surface. Exclude the advanced configuration section above it and any subtitles laid over the result.","id":"obj_005","temporal":{"status":"found","start_s":13.25,"end_s":15.75,"reference_s":14.75,"evidence":"根据“模拟器”标题、测试字符串框、宏输入、源码/HTML切换及结果区域识别目标。13.25秒首次完整显示整个区块；此前13.00秒结果区域仍在画面下方。15.50秒为最后完整帧，15.75秒切换HTML后结果面板增高，下边界被画面裁切。选择14.75秒作为关键帧，测试框与结果均显示status_bar示例，区块完整且没有字幕遮挡。","start_frame":318,"end_frame":378,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[276.6,335.2,870.4,959.3],"positive_points":[[569.4,345.4],[601.9,472.2],[402.8,597.2],[361.1,684.3],[376.2,825],[763.9,916.7]],"negative_points":[[616.3,275],[162,435.2],[951.4,411.1],[243.1,740.7]],"evidence":"根据“模拟器”标题、含 <status_bar> 示例的测试框、宏输入、源码/HTML 控件及未样式化结果区识别。框覆盖该紧凑模拟器区域，正点分布于标题、测试输入、宏输入、显示控件和结果表面；负点位于上方配置区、左侧脚本列表、右侧导航及区域外背景。"}},{"name":"Rendering-failure subtitle","description":"Large white text reading “发现并没有渲染成功” over the simulator result.","membership":"Include only the subtitle glyphs. Exclude the test output and the result panel backing.","id":"obj_006","temporal":{"status":"found","start_s":15.0,"end_s":16.75,"reference_s":16.0,"evidence":"目标是模拟器结果区域上叠加的大号白色字幕“发现并没有渲染成功”，仅包含字幕字形。首个完整出现帧为15.00秒，最后 qualifying 帧为16.50秒；紧邻之前的14.75秒和之后的16.75秒均无该字幕。选择16.00秒作为关键帧，字幕完整清晰，背景较干净，易于与测试输出及结果面板区分。","start_frame":360,"end_frame":402,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[370.9,843.5,630.2,887.9],"positive_points":[[377.3,859.3],[407.4,851.9],[445.6,864.8],[528.4,856.5],[556.7,871.3],[607.1,864.8]],"negative_points":[[352.4,863.0],[649.3,864.8],[498.8,919.4],[490.7,720.4]],"evidence":"目标是结果区上方叠加的大号白色字幕“发现并没有渲染成功”。边界框紧贴整行字幕的可见字形；六个正点分布在不同汉字笔画上，负点位于字幕左右及下方的面板背景和上方测试输出文字，均不落在字间空隙内。"}},{"name":"Test-data instructions","description":"In the Qwen conversation, the heading ��五、测试数据” and the sentence directing the reader to paste content into the SillyTavern regex script’s test-string field, immediately above a code block.","membership":"Include the heading and accompanying instruction text as one reading block. Exclude the code block below and the conversation background.","id":"obj_007","temporal":{"status":"found","start_s":17.25,"end_s":19.0,"reference_s":17.5,"evidence":"目标是 Qwen 对话中代码块上方的“五、测试数据”标题及指示粘贴到 SillyTavern 正则脚本测试字符串框的说明句，不含代码块。17.25 秒首次完整出现，18.75 秒为最后一个完整可见帧；此前 17.00 秒仍是正则编辑器，此后 19.00 秒对话滚动，目标已不在画面内。选择 17.50 秒，标题和说明句完整清晰、无遮挡，便于整体标注。","start_frame":414,"end_frame":456,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[226.3,151.9,702.0,222.2],"positive_points":[[231.5,162.0],[279.5,163.7],[245.9,211.8],[344.9,213.0],[487.3,211.8],[668.4,212.0]],"negative_points":[[203.1,208.3],[266.2,129.6],[318.3,314.8],[723.4,213.0]],"evidence":"目标是代码块上方的“五、测试数据”标题及指导粘贴到 SillyTavern 正则脚本测试字符串框的整句说明。边界框覆盖这两行文字；正点分布在标题和说明文字笔画上，负点位于外围背景及下方明确排除的代码块中。"}},{"name":"Status-bar test-data code block","description":"The upper rounded code block in the Qwen response, labeled “text”. It contains a “<status_bar>” example with name, outfit, affection, and thoughts fields, including “莉莉丝” and “72/100”.","membership":"Include the code block’s surface, boundary, header controls, line numbers, and enclosed example text. Exclude the explanatory text above and the following response section.","id":"obj_008","temporal":{"status":"found","start_s":17.25,"end_s":19.0,"reference_s":17.5,"evidence":"目标是 Qwen 回复中“五、测试数据”下方标注“text”的上方圆角代码块，包含 <status_bar>、莉莉丝、72/100 及各字段，边界、标题栏控件和行号完整可见。首个合格帧为17.25秒，最后为18.75秒；此前17.00秒仍是正则编辑器，此后19.00秒页面已滚动到新提问，目标不再可见。选择17.50秒作为关键帧，代码块完整清晰，且未被字幕遮挡。","start_frame":414,"end_frame":456,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[226.9,242.6,773.7,488.9],"positive_points":[[243.1,263.9],[713.5,263.9],[316.6,342.6],[428.2,370.4],[347.2,399.1],[654.5,446.3]],"negative_points":[[405.1,211.1],[306.7,543.5],[193.9,370.4],[807.3,370.4]],"evidence":"目标是上方标注“text”的圆角代码块，内有 <status_bar>、莉莉丝及 72/100 示例。边框覆盖整个代码块的表面、标题栏控件、行号和示例文本。正点分布于标题栏、控件、字段文本和代码块表面；负点位于上方说明、下方章节标题及左右外部背景。"}},{"name":"Hidden-history regex instructions","description":"The Qwen response section headed “六、隐藏历史状态栏正则”, followed by instructions to add a SillyTavern regex script, select AI output, and leave replacement content empty.","membership":"Include this heading and its explanatory sentence. Exclude the separate regex code block and warning below it.","id":"obj_009","temporal":{"status":"found","start_s":17.25,"end_s":19.0,"reference_s":17.5,"evidence":"目标为 Qwen 回复中的“六、隐藏历史状态栏正则”标题及其下方说明句，内容要求添加 SillyTavern 正则脚本、作用范围选“AI 输出”、替换内容留空；不包括代码块和警告。首次完整出现于17.25秒，最后 qualifying 帧为18.75秒。前一帧17.00秒仍是正则编辑器，后一帧19.00秒已滚动至发送消息后的页面，目标不再可见。选择17.50秒作为关键帧，标题和说明句清晰完整且无遮挡。","start_frame":414,"end_frame":456,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[226.3,531.5,582.2,603.7],"positive_points":[[233.2,544.4],[261.0,542.6],[362.8,544.4],[260.4,592.6],[470.5,592.6],[571.8,592.6]],"negative_points":[[298.0,693.5],[407.4,760.2],[292.2,456.5],[636.6,564.8]],"evidence":"目标是“六、隐藏历史状态栏正则”标题及下一行添加 SillyTavern 正则脚本、选择「AI 输出」并将替换内容留空的说明。边界框覆盖这两行完整文字；六个正点分布于标题和说明文字上，负点位于下方独立代码块、警告、上方代码及右侧外部背景，均不属于目标。"}},{"name":"Hidden-history regex code block","description":"The lower rounded “text” code block in the Qwen response. It contains a single expression matching a complete “<status_bar>” block.","membership":"Include the code block surface, rounded boundary, header controls, line number, and expression. Exclude the section heading, instructions, and warning outside its boundary.","id":"obj_010","temporal":{"status":"found","start_s":17.25,"end_s":19.25,"reference_s":17.5,"evidence":"目标是 Qwen 回复中“六、隐藏历史状态栏正则”下方的圆角 text 代码块，含标题栏控件、行号和匹配完整 <status_bar> 的单行表达式。首个合格帧为17.25秒，最后为19.00秒，期间代码块边界完整可见。此前17.00秒仍是正则编辑器；此后19.25秒代码块已滚出画面。选择17.50秒作为关键帧，代码块清晰完整，且不受字幕遮挡。","start_frame":414,"end_frame":462,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[226.9,622.2,773.7,727.8],"positive_points":[[243,643],[714,643],[248,693],[352,693],[663,692],[516,715]],"negative_points":[[302,544],[409,592],[413,759],[468,445]],"evidence":"目标是“六、隐藏历史状态栏正则”下方的单行 text 代码块，表达式匹配完整的 <status_bar> 块。边界框覆盖圆角表面、标题栏控件、行号及表达式；正点分布在这些内容和代码块表面，负点位于外部的章节标题、说明文字、下方警告及上方另一代码块。"}},{"name":"Hidden-history warning","description":"The warning below the single-line regex explains that it clears historical status-bar plain text to prevent old status information from contaminating AI context, and asks that the rule be retained.","membership":"Include the warning text as one block. Exclude the adjacent warning icon, vertical rule, response action icons, and background.","id":"obj_011","temporal":{"status":"found","start_s":17.25,"end_s":19.25,"reference_s":17.5,"evidence":"目标是单行正则下方的警告文字，说明清除历史消息中的状态栏纯文本、防止污染 AI 上下文，并要求保留该规则；不包含左侧警告图标。首个完整出现帧为17.25秒，最后 qualifying 帧为19.00秒。前一帧17.00秒仍是正则测试界面，后一帧19.25秒警告已随页面滚动消失。选择17.50秒作为关键帧，文字完整清晰且无遮挡。","start_frame":414,"end_frame":462,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[258.7,750,729.2,769.4],"positive_points":[[267,758],[345,758],[428,759],[514,758],[607,759],[709,759]],"negative_points":[[247.7,761.1],[226.9,757.4],[266.8,801.9],[758.1,759.3]],"evidence":"目标是单行正则代码下方说明清除历史状态栏文本、防止污染 AI 上下文并要求保留规则的警告文字。边界框仅覆盖整行文字；六个正点分布在文字各段，负点位于左侧警告图标、竖线、下方操作图标及右侧背景，均不属于目标。"}},{"name":"Qwen message composer","description":"The rounded input panel at the bottom of the Qwen conversation. It initially contains the pasted name, outfit, affection, and thoughts output followed by a question about failed rendering; it clears after submission.","membership":"Include the composer surface, rounded boundary, editable content, tool choices, attachment control, microphone, and send or stop control. Exclude the submitted message bubble and the disclaimer beneath the composer.","id":"obj_012","temporal":{"status":"found","start_s":17.25,"end_s":21.5,"reference_s":18.75,"evidence":"目标是千问对话底部的圆角消息输入面板，包含编辑内容、附件、工具选项、麦克风及发送/停止按钮，不含下方免责声明。首个完整可见帧为17.25秒，提交后内容清空但面板持续存在，最后合格帧为21.25秒。相邻的17.00秒和21.50秒均为正则编辑页面，没有该输入面板。选择18.75秒作为关键帧，此时输入内容和完整边界清晰，且无字幕遮挡。","start_frame":414,"end_frame":516,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[226.9,824.1,774.3,959.3],"positive_points":[[280,858],[562,858],[393,887],[250,926],[533,927],[754,928]],"negative_points":[[332,801],[500,974],[210,894],[794,905]],"evidence":"目标是底部含粘贴状态文本及“没有渲染什么情况”的圆角输入面板。边框覆盖完整编辑区、底部工具选项、附件、麦克风和发送按钮。正点分布于输入文字、面板表面及底部控件；负点位于上方消息操作区、下方免责声明和左右外部背景。"}},{"name":"Continue-with-AI subtitle","description":"The large white overlay “继续和AI对话”, presented across the Qwen message composer.","membership":"Include only the subtitle text. Exclude the composer, its draft message, and its controls.","id":"obj_013","temporal":{"status":"found","start_s":17.25,"end_s":18.75,"reference_s":17.5,"evidence":"目标是Qwen消息输入框上方叠加的大号白字“继续和AI对话”，不包含输入框及草稿。首个合格帧为17.25秒，最后为18.50秒；17.00秒仍是正则测试界面，没有该字幕，18.75秒输入框仍在但字幕已消失。选择17.50秒作为关键帧，字幕完整清晰，易与下方草稿文字区分。","start_frame":414,"end_frame":450,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[412.6,843.5,585.6,889.8],"positive_points":[[428.8,868.5],[453.7,854.6],[476.9,857.4],[502.3,869.4],[548.6,856.5],[570.0,867.6]],"negative_points":[[356.5,857.4],[638.9,858.3],[498.8,927.8],[753.5,926.9]],"evidence":"目标是消息输入框上叠加的大号白色“继续和AI对话”。边界框仅覆盖这行字幕，六个正点分布在字幕字形笔画上；负点位于两侧较小的草稿文字及下方输入框控件，排除输入框、草稿和按钮。"}},{"name":"Submitted rendering-failure message","description":"The blue rounded user-message bubble in the Qwen conversation. It contains the pasted status fields and the question “没有渲染什么情况”, moving upward as the conversation scrolls.","membership":"Include the bubble surface, rounded boundary, and enclosed message text. Exclude the response-loading symbol, composer, and surrounding conversation background.","id":"obj_014","temporal":{"status":"found","start_s":19.0,"end_s":21.5,"reference_s":19.25,"evidence":"目标是千问对话中蓝色圆角用户消息气泡，内含粘贴的状态字段及“没有渲染什么情况”。首个完整显示帧为19.00秒，最后 qualifying 帧为21.25秒；期间气泡随滚动上移但保持完整。18.75秒文字仍在输入框中，尚未形成已提交消息；21.50秒已切回正则编辑页面，气泡消失。选择19.25秒作为关键帧，气泡边界清楚、文字完整且无遮挡。","start_frame":456,"end_frame":516,"reference_frame":462},"grounding":{"status":"found","bbox_xyxy":[320,152,774,232],"positive_points":[[342,178],[483,176],[661,178],[739,205],[507,215],[346,211]],"negative_points":[[233,282],[547,130],[550,257],[463,884]],"evidence":"目标是上方包含状态字段及“没有渲染什么情况”的蓝色圆角用户消息气泡。边界框紧贴气泡外缘，覆盖底色、圆角边界和全部文字；六个正点分布在气泡内不同位置，负点位于加载符号、气泡上下的对话背景及底部输入框。"}},{"name":"Reopened corrected regex editing panel","description":"The central “状态栏美化渲染” editor shown after returning from Qwen. Its find expression now includes whitespace matching between the status fields, while the replacement text area displays CSS including blur and gradient declarations.","membership":"Include the central editing panel surface, boundary, heading, delete control, and visible form contents throughout this return appearance. Exclude the left script list, right navigation, top application toolbar, floating controls, and subtitles.","id":"obj_015","temporal":{"status":"found","start_s":21.5,"end_s":24.0,"reference_s":23.0,"evidence":"21.5秒从Qwen返回后，中央“状态栏美化渲染”编辑面板已完整建立：查找表达式包含字段间的\\s*，替换区域显示blur和gradient等CSS，标题、删除控件及表单均可见。首个 qualifying 帧为21.5秒，末帧为23.75秒；前一帧21.25秒仍是Qwen页面。面板持续至视频结束，之后无采样帧。选择23.0秒作为关键帧，中央面板清晰且无字幕遮挡；不包含左右侧栏和顶部工具栏。","start_frame":516,"end_frame":576,"reference_frame":552},"grounding":{"status":"found","bbox_xyxy":[226.9,205.6,920.1,995.4],"positive_points":[[332,239],[889,238],[519,438],[431,687],[568,821],[739,959]],"negative_points":[[140,433],[957,324],[787,172],[140,735]],"evidence":"中央面板标题为“编辑：状态栏美化渲染”，查找表达式包含字段间的\\s*，替换区域显示 blur 和 linear-gradient 等 CSS。框覆盖中央编辑面板的可见边界、标题、删除按钮及全部可见表单，底部截至图像中可见范围。正点分布于标题、删除按钮和各表单区域；负点位于左侧脚本列表及其背景、右侧导航和顶部应用工具栏。"}},{"name":"Regex repair and verification subtitle","description":"The white lower-editor instruction that changes from “替换修复后的正则” to “查看实际效果” during the return to the corrected rule.","membership":"Include the continuously presented subtitle glyphs only. Exclude the editing panel and all underlying form text.","id":"obj_016","temporal":{"status":"found","start_s":21.5,"end_s":23.0,"reference_s":22.0,"evidence":"目标是编辑器下方独立的白色字幕“替换修复后的正则”，不包含底层表单文字。首个符合帧为21.50秒，最后为22.75秒；前一帧21.25秒仍是AI聊天页面，后一帧23.00秒字幕已消失。23.25秒出现“查看实际效果”，因中间有消失帧，不合并为同一次连续出现。选择22.00秒，字幕完整清晰且无遮挡。","start_frame":516,"end_frame":552,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[385.4,843.5,614.6,886.1],"positive_points":[[396.4,848.1],[428.8,866.7],[458.3,864.8],[487.3,876.9],[537.6,866.7],[606.5,866.7]],"negative_points":[[312.5,814.8],[309.6,921.3],[622.1,921.3],[694.4,851.9]],"evidence":"目标是编辑器下方叠加的白色字幕“替换修复后的正则”。边框紧贴整段字幕字形，正点分布于不同汉字笔画；负��位于外围编辑面板、输入框提示及下方表单文字，排除底层界面内容。"}}]}
+{"video_id":38,"video_type":"desktop and application interfaces","targets":[{"name":"Linux terminal output","description":"The initial black terminal displays group records, the commands “groups”, “groups dream”, “cd ..”, and “ls -l”, and a home-directory listing ending at the “dream@DEK-Xiaoxin:~$” prompt.","membership":"Include the complete left-aligned terminal text block, including the colored prompt and directory names. Exclude the black terminal background, tab bar, and overlaid window menu.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.5,"evidence":"目标为左侧完整的终端文本块，可见组记录、groups、groups dream、cd ..、ls -l 命令及以 dream@DEK-Xiaoxin:~$ 结束的目录列表。首个 qualifying 帧为 0.00 秒，最后一帧为 0.50 秒；0.75 秒已切换为设置页面，目标消失。区间到达视频起点，无更早采样帧。选择 0.50 秒为关键帧，此时文本清晰完整，窗口菜单已收起，便于排除背景和顶部栏。","start_frame":0,"end_frame":18,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[59.4,47.9,510.4,917.7],"positive_points":[[80,77],[149,375],[226,440],[494,460],[353,674],[109,908]],"negative_points":[[339,192],[117,18],[573,573],[26,469]],"evidence":"根据组记录、groups、groups dream、cd ..、ls -l 命令及末尾提示符确定目标。边界框覆盖从顶部 kvm 记录到末尾 dream@DEK-Xiaoxin:~$ 的完整左对齐文本块，包含彩色提示符和目录名。正点分散在组记录、命令、输出和底部文字上；负点位于明确排除的浮动菜单、标签栏及文本块外背景。"}},{"name":"Window control menu","description":"A small light menu opens near the top of the initial terminal, showing Chinese window commands, “Alt+F4”, and “设置” at the bottom.","membership":"Include the menu surface, boundary, icons, and all menu entries. Exclude the underlying terminal and cursor.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0.25,"evidence":"目标是初始终端顶部的小型浅色窗口控制菜单，含中文窗口命令、Alt+F4 和底部“设置”。首个合格帧为0.00秒，最后为0.25秒，菜单表面、边界及条目均完整；0.50秒菜单已消失，仅残留“设置”选择条。区间始于视频开头，无更早采样帧。选择0.25秒作为关键帧，菜单清晰且无明显遮挡。","start_frame":0,"end_frame":12,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[285.4,22.9,392.2,207.3],"positive_points":[[294.8,37.5],[319.8,62.5],[313.5,109.4],[370.8,167.7],[322.9,191.7],[384.4,135.4]],"negative_points":[[270,100],[410,110],[335,225],[305.2,192.7]],"evidence":"目标是终端顶部展开的浅色窗口控制菜单，包含中文窗口命令、“Alt+F4”和底部“设置”。边界框紧贴整个菜单表面及边界；正点分布于菜单上、中、下部的条目和表面，负点位于菜单外的终端背景及明确排除的鼠标光标上。"}},{"name":"Terminal settings navigation","description":"The left navigation pane of Windows Terminal settings lists “启动”, “交互”, “外观”, “配色方案”, “呈现”, “操作”, and terminal profiles. It remains alongside the settings demonstration until the terminal output is shown again.","membership":"Include the navigation pane surface, category and profile entries, their icons, its scrollbar, and the bottom “打开 JSON 文件” control. Exclude the top application tabs and the right settings content pane.","id":"obj_003","temporal":{"status":"found","start_s":0.75,"end_s":36.25,"reference_s":2.0,"evidence":"目标为设置页面左侧导航栏，包含“启动”“交互”“外观”等分类、终端配置文件及底部“打开 JSON 文件”控件。首个 qualifying 帧为0.75秒，导航栏表面和边界已完整建立；此前0.50秒仍为终端输出与正在消失的菜单。最后 qualifying 帧为36.00秒；36.25秒切回终端输出，导航栏消失。选择2.00秒作为关键帧，导航栏完整清晰、无遮挡，且容易与右侧设置内容和顶部标签区区分。","start_frame":18,"end_frame":870,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[58.3,35.4,244.3,944.8],"positive_points":[[69.5,64.6],[145.8,110.4],[114.1,249.0],[153.1,482.3],[213.0,670.8],[110.4,919.8]],"negative_points":[[126.0,18.8],[326.0,65.6],[592.2,443.8],[203.1,972.9]],"evidence":"根据左侧“启动、交互、外观、配色方案”等分类及终端配置列表识别导航栏。框覆盖顶部标签栏下方至任务栏上方的左侧导航面板，包含面板表面、条目、图标和底部“打开 JSON 文件”控件。正点分布在导航按钮、分类、配置条目、面板表面及底部控件；负点位于顶部应用标签、右侧设置内容和底部系统任务栏。"}},{"name":"Terminal settings content pane","description":"The main right-hand settings pane initially shows “启动”. Its contents change through interaction, appearance, rendering, color schemes, keyboard actions, and Ubuntu profile settings before returning to the terminal.","membership":"Include the content pane surface, current heading, setting cards, lists, controls, previews, and bottom save and discard controls. Exclude the left navigation, application tab strip, and independent popup menus or dialogs.","id":"obj_004","temporal":{"status":"found","start_s":0.75,"end_s":36.25,"reference_s":2.0,"evidence":"目标是左侧导航右方的设置内容面板，包含标题、设置项及底部保存／放弃更改按钮。0.75秒面板表面和布局已完整出现，此前0.50秒仍为终端；其后虽切换设置页面并短暂被弹窗遮挡，仍是同一面板。最后 qualifying 帧为36.00秒，36.25秒已切回终端。选择2.00秒作为关键帧，此时“启动”页面清晰完整且无遮挡，便于排除左侧导航和顶部标签栏。","start_frame":18,"end_frame":870,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[239,36,943,944],"positive_points":[[325,65],[569,131],[792,207],[602,602],[504,772],[860,914]],"negative_points":[[123,250],[250,17],[508,977],[121,919]],"evidence":"通过“启动”标题及其下方默认配置文件、启动行为等设置项识别右侧内容窗格。边界覆盖标签栏下方、左侧导航右方的完整窗格，包括设置卡片、空白表面和底部保存及放弃更改按钮。正点分布在标题、卡片、控件、窗格表面及保存按钮上；负点位于左侧导航、顶部标签栏和底部任务栏。"}},{"name":"Default profile selector","description":"The top startup setting labeled “默认配置文件” has “Windows PowerShell” selected. Its dropdown is opened to inspect the available profiles.","membership":"Include this setting card with its label, explanatory text, and selected-value control. Exclude the separate expanded options popup and neighboring setting cards.","id":"obj_005","temporal":{"status":"found","start_s":1.0,"end_s":10.25,"reference_s":2.0,"evidence":"目标是“启动”页顶部的“默认配置文件”设置卡，包含说明文字和选中“Windows PowerShell”的下拉控件，不包括展开的选项弹窗。首个完整帧为1.00秒；此前0.75秒设置内容仍在淡入。最后符合帧为10.00秒，10.25秒已切换到“交互”页，目标消失。选择2.00秒作为关键帧，卡片完整清晰、无弹窗遮挡。","start_frame":24,"end_frame":246,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[304,91,882,165],"positive_points":[[337,119],[424,141],[587,120],[787,128],[865,139],[323,154]],"negative_points":[[325,65],[454,205],[265,128],[907,127]],"evidence":"根据顶部“默认配置文件”标签及右侧“Windows PowerShell”选中值定位。边界框覆盖该设置卡片的表面、标签、说明文字和下拉控件；正点分布于这些区域，负点位于上方标题、下方相邻设置卡片及左右外部背景。当前图中未见展开的选项弹窗。"}},{"name":"Default profile options menu","description":"The expanded default-profile dropdown appears at the upper right, listing Windows PowerShell, “命令提示符”, Azure Cloud Shell, two Ubuntu entries with different icons, Visual Studio profiles, and “kali-linux”.","membership":"Include the complete popup surface, boundary, profile icons, and option rows. Exclude the startup cards behind it and the separate profile list in the navigation pane.","id":"obj_006","temporal":{"status":"found","start_s":3.25,"end_s":4.0,"reference_s":3.5,"evidence":"右上角默认配置文件下拉弹层列出 Windows PowerShell、命令提示符、Azure Cloud Shell、两个不同图标的 Ubuntu、Visual Studio 配置及 kali-linux，符合目标。首个完整显示帧为 3.25 秒，最后为 3.75 秒；此前 3.00 秒和此后 4.00 秒均为收起的下拉框，没有弹层。选择 3.50 秒，弹层边界、图标和所有选项行清晰且无遮挡。","start_frame":78,"end_frame":96,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[733,103,914,498],"positive_points":[[787,129],[865,212],[756,256],[816,340],[857,425],[766,469]],"negative_points":[[662,282],[136,480],[832,534],[930,343]],"evidence":"目标是右上方展开的默认配置文件菜单，可由 Windows PowerShell、命令提示符、两个 Ubuntu 及 kali-linux 等选项确认。边界框覆盖完整弹出菜单表面、边界、图标和选项行；正点分布于菜单上中下部，负点位于后方启动卡片、左侧独立配置列表及菜单外背景。"}},{"name":"Close all tabs confirmation","description":"A centered dark dialog asks “是否要关闭所有标签页?” and offers “全部关闭” and “取消”. It appears after the window close control is used.","membership":"Include the dialog surface, boundary, question, and both buttons. Exclude the dimmed settings behind it.","id":"obj_007","temporal":{"status":"found","start_s":7.0,"end_s":8.5,"reference_s":7.25,"evidence":"7.00秒首次完整出现居中的深色确认框，问题为“是否要关闭所有标签页?”，下方有“全部关闭”和“取消”两个按钮；最后 qualifying 帧为8.25秒。此前6.75秒仅显示设置页和高亮的窗口关闭按钮，此后8.50秒对话框已消失。选择7.25秒作为关键帧，对话框边界、问题和两个按钮清楚完整，无遮挡。","start_frame":168,"end_frame":204,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[407.3,363.5,592.7,577.1],"positive_points":[[432,392],[535,412],[567,463],[458,530],[541,530],[494,566]],"negative_points":[[375,439],[625,439],[500,324],[500,617]],"evidence":"图像中央的深色确认对话框显示“是否要关闭所有标签页?”，下方有“全部关闭”和“取消”按钮。边界框紧贴对话框可见边缘，包含表面、问题和两个按钮；正点分布在这些区域，负点位于对话框四周被调暗的设置背景上。"}},{"name":"Ubuntu terminal appearance preview","description":"Within “Ubuntu > 外观”, a purple terminal preview shows a sample Git diff and “Write-Host”. Its text becomes larger when the font size is changed.","membership":"Include the rectangular preview boundary, purple background, sample terminal text, and symbols inside it. Exclude the page heading and the text-setting cards below.","id":"obj_008","temporal":{"status":"found","start_s":26.0,"end_s":36.25,"reference_s":33.5,"evidence":"目标是“Ubuntu > 外观”页内带矩形边界的紫色终端预览，包含 Git diff、Write-Host 和符号。26.00 秒首次完整出现；此前 25.75 秒仍是 Ubuntu 配置概览，没有该预览。预览在字号调整后文字变大，保存时布局短暂变化但仍是同一对象。36.00 秒为最后 qualifying 帧，36.25 秒切换到实际终端，预览不再可见。选择 33.50 秒，预览边界清晰、文字较大且无遮挡。","start_frame":624,"end_frame":870,"reference_frame":804},"grounding":{"status":"found","bbox_xyxy":[303.1,99,535.4,308.3],"positive_points":[[322.9,127.1],[503.1,130.2],[369.8,200],[475,236.5],[339.1,275],[515.6,294.8]],"negative_points":[[368.8,64.6],[312.5,339.6],[416.7,395.8],[572.9,208.3]],"evidence":"目标是“Ubuntu > 外观”标题下方显示 Git diff 和 Write-Host 的紫色终端预览。边界框紧贴预览矩形，包含边框、紫色背景及内部文字和符号。六个正点分布于预览的文字与背景；负点位于上方标题、下方“文本”标签及设置卡片、右侧外部背景，均排除在目标之外。"}},{"name":"Ubuntu font-size setting","description":"The “字号” card in Ubuntu appearance settings initially shows 13. Its numeric field is selected and changed to 20, enlarging the preview above.","membership":"Include the complete font-size card, its label and explanatory text, numeric input, and increment and decrement controls, including their expanded editing presentation. Exclude the neighboring font-family and line-height cards.","id":"obj_009","temporal":{"status":"found","start_s":26.0,"end_s":36.25,"reference_s":30.5,"evidence":"目标是 Ubuntu→外观页面中“字号”卡片，包含说明文字、数值框及增减按钮；数值从13被选中并改为20。26.00秒卡片已完整呈现，前一帧25.75秒仍是Ubuntu常规设置页，尚无该卡片。最后 qualifying 帧为36.00秒，36.25秒切换到终端内容，卡片消失。选择30.50秒作为关键帧，卡片完整无遮挡，数值13被选中且增减控件展开，易于区别于相邻字体和行高卡片。","start_frame":624,"end_frame":870,"reference_frame":732},"grounding":{"status":"found","bbox_xyxy":[299,523,890,619],"positive_points":[[315,554],[356,577],[571,563],[846,563],[876,543],[876,590]],"negative_points":[[766,465],[704,647],[225,566],[459,217]],"evidence":"通过“字号”标签、字号说明及当前选中显示13的数字框识别目标。边界框覆盖完整字号卡片，并包含右侧展开的增减按钮；正点分布在标签、说明、卡片表面、数字框和上下按钮，负点位于相邻字体卡片、行高卡片、左侧栏及上方预览中。"}},{"name":"Redisplayed Linux terminal output","description":"After the appearance change is saved, the original terminal tab is displayed again with the group commands and home-directory listing. This is the output shown immediately before that terminal tab is closed.","membership":"Include the complete visible terminal text block from the group records through the final shell prompt. Exclude the black background and application tabs.","id":"obj_010","temporal":{"status":"found","start_s":36.25,"end_s":38.0,"reference_s":36.5,"evidence":"保存外观设置后，原终端标签重新显示，从 kvm、render 等组记录，经 groups、groups dream 命令及主目录 ls -l 列表，到最后的 shell 提示符，符合目标描述。首个合格帧为36.25秒，最后为37.75秒；前一帧36.00秒仍是 Ubuntu 外观设置页，后一帧38.00秒原终端标签已关闭，文本块消失并返回设置页。选���36.50秒，完整文本块清晰可见且无遮挡。","start_frame":870,"end_frame":912,"reference_frame":876},"grounding":{"status":"found","bbox_xyxy":[59,46,511,920],"positive_points":[[79,56],[143,228],[397,461],[338,567],[390,716],[112,908]],"negative_points":[[234,18],[690,470],[305,928],[37,530]],"evidence":"已定位重新显示的 Linux 终端输出，包含顶部组记录、groups 命令及结果、主目录 ls -l 列表和底部最终 shell 提示符。边界框覆盖完整可见文本块；六个正点分布在各段文字笔画上，四个负点位于应用标签、右侧及下方黑色背景和窗口外侧，不标记文字内部间隙。"}},{"name":"Returned settings navigation","description":"After the terminal tab closes, the left settings navigation returns beside the Ubuntu appearance page, with the orange-icon Ubuntu profile selected.","membership":"Include the navigation pane surface, category and profile entries, icons, scrollbar, and “打开 JSON 文件” control. Exclude application tabs, the right content pane, and menus overlaid in front of it.","id":"obj_011","temporal":{"status":"found","start_s":38.0,"end_s":45.25,"reference_s":38.5,"evidence":"37.75 秒仍是终端页面；38.00 秒终端标签关闭后，左侧设置导航已完整返回，橙色 Ubuntu 配置项被选中，底部有“打开 JSON 文件”。随后菜单和新终端窗口局部遮挡，但导航仍连续存在。最后 qualifying 帧为 45.00 秒，导航尚有可见部分；45.25 秒被最大化终端完全覆盖。38.50 秒导航清晰且无遮挡，适合空间标注。","start_frame":912,"end_frame":1086,"reference_frame":924},"grounding":{"status":"found","bbox_xyxy":[57.3,36.5,242.7,943.8],"positive_points":[[69.1,64.8],[101.2,249.6],[161.8,440.3],[116.2,621.1],[237.5,707.4],[110.6,918.9]],"negative_points":[[129.7,17.7],[419.8,203.2],[530.5,483.9],[200.8,971.6]],"evidence":"左侧为设置导航栏，橙色图标的 Ubuntu 配置项处于选中状态。边界框覆盖标签栏下方至任务栏上方的导航表面、分类及配置项、图标、滚动条和“打开 JSON 文件”控件。正点分布于导航顶部、条目、选中项、滚动条及底部控件；负点位于应用标签、右侧预览与设置内容以及底部任务栏。"}},{"name":"Returned Ubuntu appearance content pane","description":"The settings content pane returns on “Ubuntu > 外观”, retaining font size 20 and the enlarged purple preview. It stays behind the Start menu and the newly opened terminal.","membership":"Include the right content pane surface, heading, preview, setting cards, and save and discard controls. Exclude the left navigation and independently overlaid menus and terminal window.","id":"obj_012","temporal":{"status":"found","start_s":38.0,"end_s":45.25,"reference_s":38.5,"evidence":"目标是返回后的“Ubuntu > 外观”右侧内容面板，字号为20，紫色预览文字已放大。38.00秒面板结构完整可见，前一帧37.75秒仍为终端内容；此后面板持续位于开始菜单和新终端后方，最后符合帧为45.00秒，45.25秒被最大化的终端完全取代。选38.50秒作关键帧，面板清晰且无遮挡，便于排除左侧导航并标注。","start_frame":912,"end_frame":1086,"reference_frame":924},"grounding":{"status":"found","bbox_xyxy":[238,36,942,944],"positive_points":[[365,64],[418,204],[589,476],[568,720],[860,913],[902,260]],"negative_points":[[142,621],[129,17],[517,974],[31,460]],"evidence":"右侧显示“Ubuntu > 外观”、放大的紫色预览及字号20，可确定为目标内容窗格。框覆盖右侧窗格表面、标题、预览、设置卡片和底部保存与放弃更改控件，不含左侧导航、顶部标签栏和任务栏。正点分布在标题、预览、卡片、空白表面及保存按钮；负点位于左侧导航、顶部标签栏、任务栏和窗口外背景。当前未见独立覆盖的开始菜单或终端窗口。"}},{"name":"Returned Ubuntu terminal preview","description":"The purple sample terminal preview reappears on the returned Ubuntu appearance page, with enlarged Git diff and “Write-Host” text.","membership":"Include the preview's rectangular boundary, purple surface, and all sample content inside it. Exclude the surrounding page heading and setting cards.","id":"obj_013","temporal":{"status":"found","start_s":38.0,"end_s":45.0,"reference_s":38.5,"evidence":"目标是返回 Ubuntu 外观页后重新出现的紫色矩形终端预览，内有放大的 Git diff 和 Write-Host 示例文字。38.0 秒首次完整呈现，前一帧 37.75 秒仍是黑色终端页。最后符合帧为 44.75 秒，预览虽被前景终端部分遮挡，上部仍可见；45.0 秒前景终端扩大并完全遮住预览。选择 38.5 秒，预览边界清楚且无遮挡，便于标注。","start_frame":912,"end_frame":1080,"reference_frame":924},"grounding":{"status":"found","bbox_xyxy":[302.6,99,535.4,308.3],"positive_points":[[318,127],[496,128],[374,201],[498,236],[321,277],[417,281]],"negative_points":[[383,62],[313,340],[568,397],[271,203]],"evidence":"目标位于“Ubuntu > 外观”标题下方，是包含 Git diff 和 Write-Host 示例文字的紫色终端预览。边界框紧贴预览矩形，包含边框、紫色表面及全部示例内容；六个正点分布在预览各部分，负点位于外部标题、文本分区标签、设置卡片和左侧页面背景。"}},{"name":"Windows Start menu","description":"A blue-purple Start menu opens over the lower-left settings area. It shows a search field, pinned applications and folders, a recommended section, and account and power controls.","membership":"Include the complete Start menu surface, boundary, search field, pinned items, recommendations, and footer controls. Exclude the taskbar, settings behind it, and the separately overlaid Code folder popup.","id":"obj_014","temporal":{"status":"found","start_s":39.5,"end_s":40.75,"reference_s":39.5,"evidence":"目标为左下方蓝紫色 Windows 开始菜单，包含搜索栏、固定应用、推荐区域及账户和电源控制，不包括另行叠加的 Code 文件夹弹窗。39.50 秒首次完整呈现，40.50 秒为最后一帧完整呈现；此前 39.25 秒仍在进入，底部尚未完整揭示，之后 40.75 秒已向下退出并被裁切。选择 39.50 秒作为关键帧，此时菜单完整且未被 Code 弹窗遮挡。","start_frame":948,"end_frame":978,"reference_frame":948},"grounding":{"status":"found","bbox_xyxy":[62.5,89.6,434.4,931.3],"positive_points":[[242,147],[110,296],[331,386],[270,543],[186,635],[389,893]],"negative_points":[[253,972],[558,487],[496,224],[73,65]],"evidence":"目标是左侧覆盖设置窗口的蓝紫色 Windows 开始菜单。边界框包含完整菜单面板、搜索栏、固定应用、推荐区域及底部账户和电源控件。正点分布在这些区域和菜单表面；负点位于下方任务栏及菜单外的设置窗口。未包含任务栏或独立的 Code 文件夹弹窗。"}},{"name":"Code application folder","description":"The Start menu folder titled “Code” opens as a smaller foreground panel containing Ubuntu, VS Code, Visual Studio 2022, and RoslynPad. Ubuntu is used to launch another terminal.","membership":"Include the folder popup surface, boundary, title, and four application entries with their icons and labels. Exclude the surrounding Start menu.","id":"obj_015","temporal":{"status":"found","start_s":40.0,"end_s":40.75,"reference_s":40.5,"evidence":"目标是开始菜单前方标题为“Code”的独立文件夹弹窗，包含 Ubuntu、VS Code、Visual Studio 2022 和 RoslynPad 四个应用图标及标签。首个合格帧为 40.00 秒，最后合格帧为 40.50 秒；此前 39.75 秒仅显示开始菜单中的 Code 文件夹入口，之后 40.75 秒弹窗随开始菜单向下退出，已被画面底边裁切且内容开始消失。选择 40.50 秒作为关键帧，弹窗边界、标题和四个应用均清晰完整。","start_frame":960,"end_frame":978,"reference_frame":972},"grounding":{"status":"found","bbox_xyxy":[117,308,379,754],"positive_points":[[247,369],[164,448],[220,449],[276,450],[331,448],[299,653]],"negative_points":[[249,251],[93,542],[407,560],[250,819]],"evidence":"目标是开始菜单前景中标题为“Code”的文件夹弹出面板，内含 Ubuntu、VS Code、Visual Studio 2022 和 RoslynPad。边界框紧贴该面板，覆盖表面、标题和四个应用条目；正点分布在标题、应用图标及面板下部表面，负点位于面板外的周围开始菜单区域。"}},{"name":"New Linux shell prompt","description":"The newly launched terminal contains only the green and blue “dream@DEK-Xiaoxin:~$” prompt near its upper left. The prompt remains visible as the terminal is maximized.","membership":"Include the visible shell prompt text as one text block, following its position when the window is maximized. Exclude the empty black terminal surface, insertion caret, title bar, and window controls.","id":"obj_016","temporal":{"status":"found","start_s":42.0,"end_s":46.0,"reference_s":42.25,"evidence":"目标为新启动的 Linux 终端左上角绿色、蓝色的“dream@DEK-Xiaoxin:~$”提示符，仅包含该文本块。41.75 秒终端仍为空白，42.0 秒提示符已完整出现；随后随窗口最大化移动，直至最后采样帧 45.75 秒仍可见。区间结束于视频末尾，无下一帧。选择 42.25 秒作为关键帧，提示符清晰、无遮挡，易与插入光标及标题栏区分。","start_frame":1008,"end_frame":1104,"reference_frame":1014},"grounding":{"status":"found","bbox_xyxy":[148.4,234.4,260.4,255.2],"positive_points":[[150.5,245.8],[179.7,244.8],[189.1,241.7],[207.8,242.7],[241.1,246.9],[257.3,244.8]],"negative_points":[[208.3,206.3],[218.8,283.3],[91.1,249.0],[281.3,244.8]],"evidence":"目标是前景终端左上角唯一的“dream@DEK-Xiaoxin:~$”提示符。边界框紧贴整段文字，正点分布在提示符各处的字符笔画上；负点位于标题栏、文字下方及右侧的空黑终端区域和左侧设置导航区，排除非提示符内容。"}}]}
+{"video_id":39,"video_type":"desktop and application interfaces","targets":[{"name":"Workspace heading","description":"The large centered heading “Genspark AI Workspace 3.0” above the landing-page composer.","membership":"Includes the heading text only; excludes the adjacent circular arrow, composer, and page background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.5,"evidence":"目标为落地页输入框上方居中的“Genspark AI Workspace 3.0”标题文字，不含右侧圆形箭头。首个合格帧为0.00秒，最后为3.00秒，期间标题始终完整可见。区间从视频起点开始，无更早采样帧；紧邻的3.25秒帧已切换为CRM编辑器，标题消失。选择1.50秒为关键帧，文字清晰完整且无遮挡。","start_frame":0,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[388.5,233.3,679.2,271.3],"positive_points":[[390.6,249.1],[444.3,259.3],[516.1,250.0],[527.1,240.7],[620.8,243.5],[671.9,237.0]],"negative_points":[[692.7,250.0],[520.8,356.5],[540.6,203.7],[368.2,251.9]],"evidence":"目标是输入框上方居中的“Genspark AI Workspace 3.0”大标题。边界框仅覆盖完整标题文字，不含右侧圆形箭头。六个正点分散在标题各部分的字形笔画上；负点位于圆形箭头、下方输入框及标题外围背景。"}},{"name":"Landing-page prompt composer","description":"The rounded gray input panel reading “Ask anything, create anything,” with GitHub integration controls and an attached suggestion tray.","membership":"Includes the panel surface, border, placeholder, attachment and audio controls, integration controls, and attached tray containing the two GitHub suggestions and close control. Excludes the heading and tool launchers below.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.5,"evidence":"目标是首页中央写有“Ask anything, create anything”的圆角灰色输入面板，包含附件、音频、GitHub 集成控件及下方两个 GitHub 建议和关闭按钮的附属托盘。首个合格帧为 0.00 秒，末个为 3.00 秒，期间完整持续可见；视频起点前无采样帧。紧邻其后的 3.25 秒已切换为 CRM 编辑器，目标消失。选择 1.50 秒作为关键帧，面板与托盘边界清晰、无遮挡。","start_frame":0,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[279.2,325.9,807.3,524.1],"positive_points":[[349,355.6],[546.9,388.9],[342.7,427.8],[785.4,427.8],[369.8,494.4],[541.7,494.4]],"negative_points":[[541.7,250],[407.8,627.8],[253.1,395.4],[651,555.6]],"evidence":"根据“Ask anything, create anything”占位文字及 GitHub 控件识别目标。框覆盖圆角灰色输入面板及下方附连的双建议托盘，包括关闭按钮。正点分布在占位文字、面板表面、集成与音频控件及两项建议上；负点位于上方标题、下方工具入口和面板外背景。"}},{"name":"Genspark Claw launcher","description":"The leftmost launcher, featuring a red claw graphic on a red pill and the label “Genspark Claw.”","membership":"Includes the red button surface, claw graphic, and associated label; excludes neighboring launchers and surrounding background.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.5,"evidence":"目标是首页启动器行最左侧的红色胶囊按钮，包含红色爪形图案及下方“Genspark Claw”标签。首个合格帧为0.00秒，最后为3.00秒，期间目标始终完整可见。区间从视频开头开始，无更早帧；紧邻的3.25秒帧已切换为CRM编辑器，目标消失。选择1.50秒作为关键帧，按钮、图案和标签清晰完整且无遮挡。","start_frame":0,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[154.2,601.9,224.5,689.8],"positive_points":[[164.1,627.8],[185.9,619.4],[198.4,633.3],[215.6,626.9],[159.9,679.6],[209.9,682.4]],"negative_points":[[266.1,626.9],[189.1,724.1],[140.1,627.8],[187.5,566.7]],"evidence":"目标是底部启动器行最左侧的 Genspark Claw。框覆盖红色胶囊按钮、爪形图案及下方完整标签；六个正点分布在按钮表面、图案和文字上，四个负点位于相邻 AI Slides 启动器及目标周围背景。"}},{"name":"AI Slides launcher","description":"The gold circular launcher with a presentation icon and “AI Slides” label.","membership":"Includes the circular button, enclosed icon, and associated label; excludes neighboring launchers.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.5,"evidence":"目标是首页启动器行中位于 Genspark Claw 右侧、AI Sheets 左侧的金色圆形按钮，内含演示图标，下方标注“AI Slides”。首个合格帧为0.00秒，最后为3.00秒，按钮、图标和标签始终完整可见。区间从视频起点开始，无更早帧；紧邻的3.25秒帧已切换至CRM编辑器，目标消失。选择1.50秒作为关键帧，目标清晰完整、无遮挡，易与相邻启动器区分。","start_frame":0,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[247.9,597.2,284.9,689.0],"positive_points":[[260.4,608.3],[277.1,625.9],[257.8,641.7],[265.6,628.7],[250.0,680.6],[274.5,679.6]],"negative_points":[[189.6,627.8],[337.5,628.7],[267.2,565.7],[298.4,684.3]],"evidence":"目标是下方启动器行中金色圆形的 AI Slides。边界框紧贴圆形按钮、内部演示图标及下方完整标签；正点分布在按钮表面、图标和标签笔画上，负点位于左右相邻启动器及外部背景。"}},{"name":"AI Sheets launcher","description":"The green circular launcher with a grid icon and “AI Sheets” label.","membership":"Includes the circular button, enclosed icon, and associated label; excludes neighboring launchers.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.5,"evidence":"目标为首页启动器行中位于 AI Slides 与 AI Docs 之间的绿色圆形按钮，内含网格图标，下方标有“AI Sheets”。首个合格帧为0.00秒，最后为3.00秒，按钮、图标及标签均完整可见。区间始于视频开头，无更早采样帧；紧邻的3.25秒帧已切换至CRM编辑器，目标消失。选择1.50秒作为关键帧，目标清晰、无遮挡，易与相邻启动器区分。","start_frame":0,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[317.7,597.2,357.3,688.9],"positive_points":[[330.7,610.2],[344.8,615.7],[326.6,636.1],[337.2,627.8],[323.4,680.6],[342.2,681.5]],"negative_points":[[266.1,627.8],[407.8,627.8],[337.5,564.8],[337.5,722.2]],"evidence":"目标是下方启动器一排中的绿色网格图标及“AI Sheets”标签。边界框紧贴圆形按钮和完整标签；正点分布于绿色按钮、网格图标及标签文字，负点位于左右相邻启动器和目标上下方的外部背景。"}},{"name":"AI Docs launcher","description":"The blue circular launcher with a document icon and “AI Docs” label.","membership":"Includes the circular button, enclosed icon, and associated label; excludes neighboring launchers.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.5,"evidence":"目标是首页启动器行中位于 AI Sheets 与 AI Designer 之间的蓝色圆形文档图标及下方“AI Docs”标签。首个合格帧为0.00秒，最后为3.00秒，期间按钮、图标和标签均完整可见。区间到达视频起点，无更早帧；紧邻的3.25秒帧已切换至CRM编辑器，目标消失。选择1.50秒作为关键帧，目标清晰完整且无遮挡。","start_frame":0,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[390.6,597.2,425.0,688.9],"positive_points":[[399.5,612.0],[416.1,620.4],[398.4,641.7],[413.0,646.3],[394.3,681.0],[405.2,679.6]],"negative_points":[[337.0,627.0],[478.6,627.0],[407.8,564.8],[407.8,724.1]],"evidence":"目标是下方启动器行中位于 AI Sheets 与 AI Designer 之间的蓝色 AI Docs 启动器。边界框紧贴圆形按钮、内部文档图标及下方完整标签；正点分布在按钮表面和标签字形上，负点位于左右相邻启动器及目标上下方背景。"}},{"name":"AI Designer launcher","description":"The purple circular launcher with a design-outline icon and “AI Designer” label.","membership":"Includes the circular button, enclosed icon, and associated label; excludes neighboring launchers.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.5,"evidence":"目标是首页启动器行中位于 AI Docs 与 AI Chat 之间的紫色圆形按钮，内含设计轮廓图标，下方标有“AI Designer”。首个合格帧为0.00秒，最后为3.00秒，按钮、图标及标签均完整可见；区间起点即视频开头，无更早帧。紧邻的3.25秒帧已切换至CRM编辑器，目标消失。选择1.50秒作为关键帧，目标清晰完整、无遮挡，易与相邻启动器区分。","start_frame":0,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[454.7,597.2,502.6,690.7],"positive_points":[[472.4,610.2],[487.5,627.8],[474.5,647.2],[456.8,681.5],[469.8,680.6],[495.3,680.6]],"negative_points":[[407.8,627.8],[549.5,627.8],[479.2,565.7],[479.7,722.2]],"evidence":"目标是 AI Docs 与 AI Chat 之间的紫色 AI Designer 启动器。边界框覆盖圆形按钮、内部设计轮廓图标及完整标签；正点分布于按钮和标签文字，负点位于两侧相邻启动器以及目标上下的外部背景。"}},{"name":"AI Chat launcher","description":"The blue-purple circular launcher with an AI speech-bubble icon and “AI Chat” label.","membership":"Includes the circular button, enclosed icon, and associated label; excludes neighboring launchers.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.5,"evidence":"目标是首页启动器一排中位于 AI Designer 与 AI Image 之间的蓝紫色圆形按钮，内含 AI 对话气泡图标，下方标有“AI Chat”。首个合格帧为0.00秒，最后为3.00秒，按钮、图标及标签均完整可见。区间到达视频起点，无更早帧；紧邻其后的3.25秒已切换为CRM编辑器，目标消失。选择1.50秒作关键帧，目标清晰、无遮挡，易与邻近启动器区分。","start_frame":0,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[532.8,597.2,566.7,688.9],"positive_points":[[541.7,613.0],[558.3,616.7],[541.7,640.7],[555.2,640.7],[538.5,680.6],[554.7,680.6]],"negative_points":[[478.6,626.9],[620.3,626.9],[549.5,553.7],[549.5,724.1]],"evidence":"目标位于下方启动器一排中，介于 AI Designer 和 AI Image 之间，以蓝紫色圆形按钮、AI 对话气泡图标及“AI Chat”标签识别。边界框覆盖完整圆形按钮和标签；正点分布于按钮及标签字形上，负点位于左右相邻启动器和目标上下方的外部背景。"}},{"name":"AI Image launcher","description":"The purple circular launcher with an image icon and “AI Image” label.","membership":"Includes the circular button, enclosed icon, and associated label; excludes neighboring launchers.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.5,"evidence":"目标是首页启动器行中位于“AI Chat”和“AI Music”之间的紫色圆形图片图标及“AI Image”标签。首个合格帧为0.00秒，末个为3.00秒，期间按钮、图标和标签均完整可见。区间从视频起点开始，无前一帧；紧邻的3.25秒帧已切换为CRM编辑器，目标消失。选择1.50秒作为关键帧，目标清晰且无遮挡，易与相邻启动器区分。","start_frame":0,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[601.6,597.2,639.1,690.7],"positive_points":[[610.4,619.4],[627.6,614.8],[619.8,632.4],[628.6,645.4],[605.2,679.6],[630.2,682.4]],"negative_points":[[549.5,626.9],[691.1,626.9],[619.8,564.8],[619.8,722.2]],"evidence":"目标是下方启动器行中位于 AI Chat 与 AI Music 之间的紫色 AI Image 启动器。边界框覆盖圆形按钮、内部图像图标和下方完整标签；正点分布在按钮及标签上，负点位于左右相邻启动器和上下外部背景。"}},{"name":"AI Music launcher","description":"The purple circular launcher with a musical-note icon and “AI Music” label.","membership":"Includes the circular button, enclosed icon, and associated label; excludes neighboring launchers.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.5,"evidence":"目标是首页启动器行中位于 AI Image 与 AI Video 之间的紫色圆形音乐音符按钮及“AI Music”标签。首个合格帧为0.00秒，末个为3.00秒，期间按钮、图标和标签均完整可见。区间始于视频开头，无更早帧；紧邻的3.25秒帧已切换至CRM编辑器，目标消失。选择1.50秒作为关键帧，目标清晰完整、无遮挡且易与邻近启动器区分。","start_frame":0,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[673.4,597.2,709.4,688.0],"positive_points":[[690.6,609.3],[680.7,627.8],[700.0,629.6],[690.6,647.2],[676.0,680.6],[701.0,681.5]],"negative_points":[[619.8,627.8],[762.0,627.8],[690.6,722.2],[691.1,563.0]],"evidence":"目标位于 AI Image 与 AI Video 之间，以紫色圆形音乐图标及下方“AI Music”标签识别。边界框紧贴圆形按钮、内含图标和完整标签；正点分布在按钮及标签文字上，负点位于左右相邻启动器和目标上下的外部背景。"}},{"name":"AI Video launcher","description":"The gold circular launcher with a video icon and “AI Video” label.","membership":"Includes the circular button, enclosed icon, and associated label; excludes neighboring launchers.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.5,"evidence":"目标是首页启动器行中位于“AI Music”与“AI Meeting Notes”之间的金色圆形视频图标及“AI Video”标签。首个合格帧为0.00秒，最后为3.00秒，按钮、图标和标签始终完整可见。区间起点已是视频开头，无更早帧；紧接的3.25秒帧切换为CRM编辑器，目标消失。选择1.50秒作为关键帧，目标清晰、无遮挡，易与相邻启动器区分。","start_frame":0,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[744.3,597.2,779.2,688.9],"positive_points":[[752.1,622.2],[770.3,616.7],[770.8,640.7],[757.8,632.4],[751.0,680.6],[771.9,680.6]],"negative_points":[[690.6,626.9],[832.3,627.8],[762.0,565.7],[763.0,716.7]],"evidence":"目标是下方启动器行中带视频图标的金色圆形按钮及“AI Video”标签。边界框紧密覆盖圆形按钮、内部图标和下方完整标签；正点分布在按钮表面、图标及标签文字上，负点位于相邻的音乐、会议记录启动器和目标上下方的外部背景。"}},{"name":"AI Meeting Notes launcher","description":"The green circular launcher with a notebook icon and “AI Meeting Notes” label.","membership":"Includes the circular button, enclosed icon, and associated label; excludes neighboring launchers.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.5,"evidence":"目标位于首页启动器行右侧，在 AI Video 与 All Agents 之间，为绿色圆形笔记本图标及“AI Meeting Notes”标签。首个合格帧为0.00秒，最后为3.00秒，按钮、图标和标签均完整可见。区间始于视频开头，没有更早采样帧；紧邻的3.25秒帧已切换到CRM编辑器，目标消失。选择1.50秒作为关键帧，目标清晰且无遮挡。","start_frame":0,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[797.9,597.2,867.2,689.8],"positive_points":[[827.6,609.3],[841.7,626.9],[825,642.6],[805.2,679.6],[831.3,682.4],[858.3,680.6]],"negative_points":[[761.5,627.8],[903.1,627.8],[831.3,713],[796.9,624.1]],"evidence":"目标位于下方启动器行右侧，通过绿色圆形笔记本图标及“AI Meeting Notes”标签识别。边界框覆盖圆形按钮、内部图标和完整标签；正点分布于按钮表面及标签字形，负点位于左右相邻启动器和目标外部背景。"}},{"name":"All Agents launcher","description":"The rightmost dark circular launcher with a white sparkle icon and “All Agents” label.","membership":"Includes the circular button, enclosed icon, and associated label; excludes neighboring launchers.","id":"obj_013","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.5,"evidence":"目标为首页启动器行最右侧的深色圆形按钮，内有白色闪光图标，下方标注“All Agents”，不含相邻启动器。首个合格帧为0.00秒，最后为3.00秒，按钮、图标和标签均完整可见；区间从视频起点开始，无更早帧。紧邻的3.25秒帧已切换到CRM编辑器，目标消失。选择1.50秒作为关键帧，目标清晰完整且无遮挡。","start_frame":0,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[882.8,597.2,924,689.8],"positive_points":[[895.8,617.6],[910.4,621.3],[903.1,638.9],[884.9,681.5],[902.6,680],[920.3,683.3]],"negative_points":[[832.8,626.9],[833.3,681.5],[938,629.6],[904.2,726.9]],"evidence":"目标是最右侧带白色闪光图标的深色圆形启动器，下方标注“All Agents”。边界框覆盖圆形按钮、内部图标及完整标签；正点分布在按钮表面和标签字形上，负点位于左邻启动器及目标右侧、下方的外部背景。"}},{"name":"AI Developer conversation panel","description":"The left-hand development conversation beside the CRM preview. It shows the request for an interactive CRM dashboard, tool activity, an eight-item task list, and the modification composer.","membership":"Includes the conversation column surface, displayed messages, tool cards, task list, scrollbar, chat tabs, and bottom composer with its controls. Excludes the application's outer navigation rail, top title bar, and right-hand preview workspace.","id":"obj_014","temporal":{"status":"found","start_s":3.25,"end_s":5.25,"reference_s":3.5,"evidence":"目标为 CRM 预览左侧的 AI Developer 对话列，可见交互式 CRM 请求、工具活动卡片、八项任务列表、滚动条、聊天标签及底部修改输入框，不含外侧导航栏和顶部标题栏。首个合格帧为 3.25 秒，最后为 5.00 秒，面板结构始终完整。前一帧 3.00 秒为 Genspark 首页；后一帧 5.25 秒仅显示放大的 CRM 页面，对话列已消失。选择 3.50 秒作为关键帧，面板清晰完整且无遮挡。","start_frame":78,"end_frame":126,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[38.5,71.3,350.5,991.7],"positive_points":[[218,181],[188,272],[179,524],[339,401],[171,829],[207,896]],"negative_points":[[19,415],[481,40],[461,145],[681,394]],"evidence":"目标是 CRM 预览左侧的 AI Developer 对话栏。边界框覆盖对话列底面、用户请求、工具卡片、八项任务列表、滚动条、聊天标签及底部修改输入区；不含顶部标题栏、最左导航轨和右侧预览工作区。正点分布在请求、工具卡片、任务列表、滚动条、聊天标签及输入区，负点位于上述排除区域。"}},{"name":"Nexus CRM navigation sidebar","description":"The dark blue sidebar inside the CRM, initially embedded in the developer preview and later enlarged. It contains “Nexus CRM,” Dashboard, Customers, Sales, Campaigns, Settings, and the Admin User profile.","membership":"Includes the sidebar surface and boundaries, brand, navigation entries, selection styling, and bottom profile block. Excludes the white dashboard header and main content cards.","id":"obj_015","temporal":{"status":"found","start_s":3.25,"end_s":7.25,"reference_s":5.5,"evidence":"目标是深蓝色 Nexus CRM 导航侧栏，包含品牌、Dashboard 等导航项、选中样式及底部 Admin User 资料区。首个合格帧为 3.25 秒，侧栏已完整出现在开发者预览内；随后放大显示，持续至最后合格帧 7.00 秒。区间前一帧 3.00 秒为 Genspark 首页，没有该侧栏；后一帧 7.25 秒切换为业绩宣传图，侧栏消失。选择 5.50 秒作为关键帧，因为放大后的��栏边界完整、文字清楚且无遮挡。","start_frame":78,"end_frame":174,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[0,7.4,152.1,992.6],"positive_points":[[77,42],[71,118],[53,173],[53,391],[98,675],[68,958]],"negative_points":[[242,42],[276,166],[374,388],[840,720]],"evidence":"目标是图像左侧包含“Nexus CRM”、导航菜单及底部 Admin User 的深蓝色侧栏。边界框覆盖侧栏的完整可见表面、选中样式和用户区；正点分布于品牌、菜单、侧栏空白表面及底部资料块，负点位于右侧白色页眉和主内容卡片内。"}},{"name":"Sales Overview chart","description":"The white “Sales Overview” card containing a blue line-and-area plot of sales amounts by date and a “Last 7 Days” selector. It remains identifiable through scrolling and enlargement, and a data tooltip is demonstrated.","membership":"Includes the card surface and boundary, title, selector, axes, grid, date and currency labels, blue line, markers, and shaded plot area. Excludes neighboring cards, the recording cursor, and transient hover-tooltip overlays.","id":"obj_016","temporal":{"status":"found","start_s":5.25,"end_s":7.25,"reference_s":6.0,"evidence":"目标是带“Sales Overview”标题、“Last 7 Days”选择器及蓝色折线和浅蓝填充的白色卡片。5.25秒首次完整呈现卡片边界及图表，最后合格帧为7.00秒。此前5.00秒为滚动后的嵌入预览，目标仅余局部白色区域；7.25秒已切换到增长宣传画面。选择6.00秒作为关键帧，卡片完整清晰，且没有悬浮提示框遮挡图表。","start_frame":126,"end_frame":174,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[166.7,272.2,715.1,927.8],"positive_points":[[215.6,310.2],[667.7,311.1],[269.3,507.4],[445.8,554.6],[208.3,816.7],[649.5,862.0]],"negative_points":[[863.5,463.0],[260.4,166.7],[72.9,444.4],[572.9,963.0]],"evidence":"通过“Sales Overview”标题、蓝色折线面积图和“Last 7 Days”选择器识别目标。边界框覆盖整张白色图表卡片，包括坐标轴、标签及下方空白表面。正点分布在标题、选择器、绘图区和卡片表面；负点位于右侧活动卡、上方收入卡、左侧导航栏及卡片下方，不包含录制光标。"}},{"name":"Campaign Performance chart","description":"The white “Campaign Performance” card with a multicolored doughnut chart and campaign legend. It is initially shown in the embedded preview and later enlarged, with a hover over the Holiday Special segment.","membership":"Includes the card surface and boundary, title, doughnut's complete outer extent and enclosed center, colored segments, and legend labels and values. Excludes neighboring cards, the cursor, and transient tooltip overlays.","id":"obj_017","temporal":{"status":"found","start_s":5.25,"end_s":7.25,"reference_s":6.0,"evidence":"目标是右侧白色“Campaign Performance”卡片，包含多色圆环及完整活动图例。5.25秒首次完整显示卡片表面、边界和内容，持续至7.00秒；此前嵌入预览中的卡片受视口裁切，紧邻的5.00秒仅显示部分图例。7.25秒已切换为黑色营收宣传画面，目标消失。选择6.00秒作为关键帧，卡片完整清晰，且没有悬浮提示框遮挡。","start_frame":126,"end_frame":174,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[729.7,272.2,996.4,926.9],"positive_points":[[801,309],[829,385],[861,485],[789,721],[972,890],[758,585]],"negative_points":[[679,497],[865,181],[105,512],[851,955]],"evidence":"目标是右侧标题为“Campaign Performance”的白色卡片。边框覆盖整张卡片，包括标题、完整彩色圆环及中心、图例标签和数值。正点分布在标题、圆环、中心、图例及卡片表面；负点位于左侧销售图、上方指标卡、侧栏和卡片下方背景。"}},{"name":"Initial Recent Sales table appearance","description":"The “Recent Sales” card visible near the bottom of the initial CRM preview, showing column headings and a Jane Smith sale before scrolling removes it.","membership":"Includes the visible card surface, title, “View All” control, column headings, and displayed table contents. Excludes the charts above and sidebar.","id":"obj_018","temporal":{"status":"found","start_s":3.25,"end_s":3.5,"reference_s":3.25,"evidence":"目标是初始 CRM 预览底部的“Recent Sales”卡片，可见卡片表面、标题、“View All”、列标题及 Jane Smith 的销售记录。首次和最后符合条件的采样帧均为 3.25 秒；此前 3.00 秒仍是工作区首页，此后 3.50 秒预览滚动至顶部，卡片已不再可见。后续滚动再次显示不并入本次连续出现。选择 3.25 秒作为关键帧，目标及其识别内容清楚可见。","start_frame":78,"end_frame":84,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[524,765,986,967],"positive_points":[[567,803],[953,803],[556,866],[686,865],[564,919],[907,920]],"negative_points":[[679,561],[911,633],[437,809],[518,654]],"evidence":"通过底部“Recent Sales”标题、右侧“View All”、表头及 Jane Smith 销售记录识别目标。边界框覆盖可见卡片表面及全部可见表格内容，下沿止于预览裁切处。正点分布于标题、控件、表头和记录；负点位于上方图表、左侧导航栏及卡片外背景。"}},{"name":"Embedded Total Revenue card","description":"The first KPI card revealed near the top of the embedded CRM dashboard, reading “TOTAL REVENUE” and “$6,960.47,” with a 12.5% comparison.","membership":"Includes the entire white card surface, boundary, label, value, currency icon, and comparison text. Excludes adjacent KPI cards and dashboard background.","id":"obj_019","temporal":{"status":"found","start_s":3.5,"end_s":4.25,"reference_s":3.5,"evidence":"目标是嵌入式 CRM 仪表盘顶部第一张白色 KPI 卡，包含“TOTAL REVENUE”、金额“$6,960.47”、货币图标及 12.5% 对比信息。首个完整合格帧为 3.50 秒，最后为 4.00 秒；前一帧 3.25 秒中该卡尚未进入可见区域，后一帧 4.25 秒中该卡随滚动离开并被顶部边界裁切。选择 3.50 秒作为关键帧，卡片完整清晰，且与相邻 KPI 卡容易区分。","start_frame":84,"end_frame":102,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[523.4,321.3,628.1,503.7],"positive_points":[[541,337],[565,355],[568,386],[619,369],[552,441],[603,481]],"negative_points":[[687,389],[635,419],[570,262],[576,568]],"evidence":"目标是嵌入式 CRM 仪表盘顶部第一张 KPI 卡，显示“TOTAL REVENUE”“$6,960.47”和“12.5%”。边界框覆盖整张白色卡片，包括标签、金额、货币图标及比较文字。正点分布于卡片表面和上述内容，负点位于相邻客户卡、卡间背景、上方标题栏及下方销售图表。"}},{"name":"Embedded Active Customers card","description":"The second KPI card in the embedded dashboard, reading “ACTIVE CUSTOMERS,” “7,” and “3 New” this month.","membership":"Includes the entire white card surface, boundary, label, value, people icon, and comparison text. Excludes adjacent KPI cards.","id":"obj_020","temporal":{"status":"found","start_s":3.5,"end_s":4.25,"reference_s":3.5,"evidence":"目标是嵌入式仪表盘中第二张白色 KPI 卡，包含“ACTIVE CUSTOMERS”、数值“7”、紫色人物图标及“3 New this month”。首个完整显示帧为 3.50 秒，最后合格帧为 4.00 秒。前一帧 3.25 秒中该卡位于滚动视区上方，未完整显示；后一帧 4.25 秒中该卡已随滚动向上移出并被裁切。选择 3.50 秒作为关键帧，因为整张卡边界清晰、内容完整且无遮挡。","start_frame":84,"end_frame":102,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[642.2,321.3,747.4,503.7],"positive_points":[[660.4,355.6],[660.4,401.9],[719.3,371.3],[673.9,452.8],[707.3,467.6],[731.8,338.9]],"negative_points":[[578.1,390.7],[798.4,393.5],[692.7,283.3],[688.0,551.9]],"evidence":"目标是嵌入式仪表盘中第二张 KPI 卡，显示“ACTIVE CUSTOMERS”“7”和“3 New / this month”。边界框覆盖整张白色卡片，包括标签、数值、人物图标及比较文字。六个正点分布在卡片内容和白色表面；四个负点位于左右相邻卡片及目标上、下方的外部区域。"}},{"name":"Embedded Total Sales card","description":"The third KPI card in the embedded dashboard, reading “TOTAL SALES,” “20,” and “Updated just now.”","membership":"Includes the entire white card surface, boundary, label, value, shopping-bag icon, and update text. Excludes adjacent KPI cards.","id":"obj_021","temporal":{"status":"found","start_s":3.5,"end_s":4.25,"reference_s":3.5,"evidence":"目标是嵌入式仪表盘第三张白色 KPI 卡，含“TOTAL SALES”“20”、购物袋图标及“Updated just now”。首个完整可见帧为3.50秒，最后一个为4.00秒；此前3.25秒画面滚动到图表和销售列表，目标不可见，随后4.25秒目标已随滚动被顶部裁切。选择3.50秒作为关键帧，因为整张卡片清晰完整，且与相邻卡片边界分明。","start_frame":84,"end_frame":102,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[761,321,866,503],"positive_points":[[789,355],[783,385],[841,370],[805,429],[775,470],[847,337]],"negative_points":[[693,394],[924,400],[812,264],[802,524]],"evidence":"目标是嵌入式仪表盘第三张KPI卡，含“TOTAL SALES”“20”和“Updated just now”。边框覆盖整张白色卡片及购物袋图标；正点分布在文字、数值、图标和卡片表面，负点位于左右相邻卡片及目标上下方的外部区域。"}},{"name":"Embedded Average Conversion card","description":"The rightmost KPI card in the embedded dashboard, reading “AVG. CONVERSION” and “9.6%,” with a −0.5% comparison.","membership":"Includes the entire white card surface, boundary, label, value, target icon, and comparison text. Excludes adjacent KPI cards.","id":"obj_022","temporal":{"status":"found","start_s":3.5,"end_s":4.25,"reference_s":3.75,"evidence":"目标是嵌入��仪表盘最右侧的白色 KPI 卡，包含“AVG. CONVERSION”、9.6%、靶心图标及 −0.5% 对比文字。首次完整可见于 3.50 秒，最后符合条件的帧为 4.00 秒。前一帧 3.25 秒显示较下方的图表区域，目标未出现；后一帧 4.25 秒因向下滚动，卡片已被顶部边界裁切。选择 3.75 秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":84,"end_frame":102,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[880.7,321.3,985.4,503.7],"positive_points":[[899.5,355.6],[907.8,402.8],[958.3,370.4],[911.5,456.5],[950.5,467.6],[973.4,338.9]],"negative_points":[[810.9,384.3],[694.8,399.1],[948.4,261.1],[919.8,567.6]],"evidence":"目标是嵌入式仪表盘最右侧显示“AVG. CONVERSION”“9.6%”及“−0.5%”的白色KPI卡片。边界框覆盖完整卡面、文字和靶心图标；正点分布于标签、数值、图标、比较文字及卡面，负点位于左侧其他KPI卡片、上方刷新区域和下方活动表现面板。"}},{"name":"Returned Recent Sales table","description":"The “Recent Sales” card returns as the embedded dashboard scrolls downward, showing rows for Jane Smith, Charlie Brown, Evan Wright, Diana Prince, and George Martin with dates, amounts, and statuses.","membership":"Includes the card surface and boundary, title, “View All” control, column headings, and all visible rows and status labels. Follows its clipping at the bottom when the dashboard is enlarged; excludes neighboring charts and sidebar.","id":"obj_023","temporal":{"status":"found","start_s":4.5,"end_s":7.25,"reference_s":5.0,"evidence":"目标是向下滚动后返回的“Recent Sales”卡片，含标题、View All、列名及客户销售记录。首次符合帧为4.50秒，前一帧4.25秒仍只显示图表；5.00秒五位客户的日期、金额和状态最清楚，故选为关键帧。5.25秒仪表盘放大后，卡片按描述在底部被裁切，仍可见其顶部，持续至最后符合帧7.00秒；后一帧7.25秒已切换为Genspark增长宣传画面。","start_frame":108,"end_frame":174,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[523.4,563.9,984.4,967.6],"positive_points":[[565.5,602.8],[954.1,603.7],[672.4,666.7],[560.4,719.4],[795.8,830.6],[905.2,942.6]],"negative_points":[[673.4,431.5],[910.4,467.6],[433.3,683.3],[991.7,750]],"evidence":"通过“Recent Sales”标题及 Jane Smith、Charlie Brown、Evan Wright、Diana Prince、George Martin 五行记录定位。边框覆盖卡片表面、标题、View All、列标题和所有可见记录，下沿按仪表盘底部裁切。正点分布于标题、控件、表头及不同记录的姓名、金额和状态；负点位于上方图表、左侧导航栏及卡片右侧外部空白。"}},{"name":"Enlarged Total Revenue card","description":"The revenue KPI reappears in the enlarged dashboard after the embedded KPI row has scrolled out of view. It reads “TOTAL REVENUE,” “$6,960.47,” and “12.5% vs last month.”","membership":"Includes the complete white card, its boundary, label, value, currency icon, and comparison. Excludes neighboring KPI cards.","id":"obj_024","temporal":{"status":"found","start_s":5.25,"end_s":7.25,"reference_s":6.0,"evidence":"目标是放大版仪表盘左上方的完整白色收入卡，含“TOTAL REVENUE”“$6,960.47”、货币图标及“12.5% vs last month”。首个符合帧为5.25秒，最后为7.00秒；此前5.00秒仍是嵌入式仪表盘且KPI行已滚出视野，之后7.25秒切换为Genspark增长宣传页。选择6.00秒作为关键帧，卡片边界与内容清晰完整，无遮挡，易与相邻KPI卡区分。","start_frame":126,"end_frame":174,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[166,103,363,245],"positive_points":[[204,135],[220,165],[340,150],[241,209],[181,228],[344,221]],"negative_points":[[444,165],[625,157],[234,42],[234,310]],"evidence":"目标是仪表盘顶部最左侧的白色收入卡片，显示“TOTAL REVENUE”“$6,960.47”和“12.5% vs last month”。边界框覆盖完整卡片及其边界；正点分布在标题、金额、货币图标、比较文字和卡片表面，负点位于相邻KPI卡片、顶部标题区及下方销售图表区域。"}},{"name":"Enlarged Active Customers card","description":"The customers KPI reappears in the enlarged dashboard, reading “ACTIVE CUSTOMERS,” “7,” and “3 New this month.”","membership":"Includes the complete white card, its boundary, label, value, people icon, and comparison. Excludes neighboring KPI cards.","id":"obj_025","temporal":{"status":"found","start_s":5.25,"end_s":7.25,"reference_s":6.0,"evidence":"目标是放大版仪表盘顶部第二张白色KPI卡，包含“ACTIVE CUSTOMERS”、数值“7”、紫色人物图标及“3 New this month”。首个合格帧为5.25秒，最后为7.00秒，卡片及边界均完整。此前5.00秒仍是编辑器内滚动到Recent Sales的预览，未显示该放大卡片；之后7.25秒已切换为Genspark增长宣传画面。选择6.00秒作为关键帧，卡片清晰完整且无��挡，容易与相邻指标卡区分。","start_frame":126,"end_frame":174,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[377.6,103.7,576,245.4],"positive_points":[[427,135],[395,165],[547,150],[429,210],[494,180],[561,227]],"negative_points":[[270,173],[672,175],[473,288],[479,61]],"evidence":"根据“ACTIVE CUSTOMERS”、数值“7”和“3 New this month”定位到顶部第二张白色指标卡。边界框覆盖完整卡片及其标签、数值、人物图标和比较信息；六个正点分布于这些内容及卡片表面，四个负点位于左右相邻指标卡、上方页眉和下方销售面板。"}},{"name":"Enlarged Total Sales card","description":"The sales-count KPI reappears in the enlarged dashboard, reading “TOTAL SALES,” “20,” and “Updated just now.”","membership":"Includes the complete white card, its boundary, label, value, shopping-bag icon, and update text. Excludes neighboring KPI cards.","id":"obj_026","temporal":{"status":"found","start_s":5.25,"end_s":7.25,"reference_s":6.0,"evidence":"目标是放大仪表盘顶部第三张白色KPI卡，完整包含“TOTAL SALES”“20”、绿色购物袋图标和“Updated just now”。首个符合帧为5.25秒，最后为7.00秒，卡片边界及内容均完整。此前5.00秒仍为编辑器内滚动到Recent Sales区域的预览，未显示该放大卡片；之后7.25秒已切换为Genspark增长宣传画面。选择6.00秒作为关键帧，卡片清晰完整且无遮挡。","start_frame":126,"end_frame":174,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[588.5,102.8,787,245.4],"positive_points":[[630,135],[612,166],[761,151],[646,209],[688,170],[749,223]],"negative_points":[[542,171],[850,170],[686,259],[661,311]],"evidence":"目标是顶部第三张白色KPI卡，显示“TOTAL SALES”“20”和“Updated just now”，右侧有购物袋图标。边界框覆盖完整卡片；正点分布在标签、数值、图标、更新文字及卡片表面，负点位于左右相邻卡片、卡片下方间隔和下方图表区域。"}},{"name":"Enlarged Average Conversion card","description":"The conversion KPI reappears at the upper right of the enlarged dashboard, reading “AVG. CONVERSION,” “9.6%,” and “−0.5% vs last campaign.”","membership":"Includes the complete white card, its boundary, label, value, target icon, and comparison. Excludes neighboring KPI cards.","id":"obj_027","temporal":{"status":"found","start_s":5.25,"end_s":7.25,"reference_s":6.0,"evidence":"目标是放大仪表盘右上角的完整白色转换率卡片，包含“AVG. CONVERSION”、9.6%、靶心图标及“−0.5% vs last campaign”。首个符合帧为5.25秒，最后为7.00秒。前一帧5.00秒仍是编辑器内滚动后的较小仪表盘，尚未出现该放大卡片；后一帧7.25秒已切换为黑色营收宣传画面。选择6.00秒作为关键帧，卡片边界与内容清晰，无遮挡。","start_frame":126,"end_frame":174,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[800,102,996.4,245.4],"positive_points":[[848,135],[835,167],[971,150],[880,209],[929,120],[960,229]],"negative_points":[[685,169],[855,308],[776,209],[861,42]],"evidence":"右上角白色KPI卡显示“AVG. CONVERSION”“9.6%”及“−0.5% vs last campaign”，与目标一致。边框覆盖完整卡片，包括标签、数值、靶心图标、比较文字和白色表面；六个正点分布在这些内容及卡片表面，四个负点位于左侧销售卡、下方活动面板、卡间背景和上方页眉。"}},{"name":"Closing Genspark brand mark","description":"The white Genspark symbol and wordmark at the upper left of the closing black growth graphic.","membership":"Includes the rounded-square symbol with its internal design and the adjacent “Genspark” wordmark as one brand unit. Excludes the black background and large headline below.","id":"obj_028","temporal":{"status":"found","start_s":7.25,"end_s":8.0,"reference_s":7.5,"evidence":"目标是结尾黑色增长图左上角的白色圆角方形符号及相邻“Genspark”字标，二者作为完整品牌单元。首次合格帧为7.25秒，最后合格帧为7.75秒，期间完整清晰、无遮挡。前一帧7.00秒仍为CRM仪表盘，没有该结尾品牌标记；目标持续至视频结束，之后无采样帧。选择7.50秒作为关键帧，品牌轮廓清楚且易与下方大标题区分。","start_frame":174,"end_frame":192,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[123.96,59.26,300,131.48],"positive_points":[[128.65,77.78],[158.33,107.41],[180.21,100.93],[217.19,104.63],[246.88,115.74],[288.02,101.85]],"negative_points":[[108.85,94.44],[201.56,157.41],[312.5,96.3],[256.77,356.48]],"evidence":"目标是左上角白色圆角方形符号及相邻的“Genspark”字标。边界框紧贴完整品牌单元，包含符号内部设计和全部字母。正点分布在符号及字母笔画上；负点位于标志外围背景和下方大标题上，排除这些非目标区域。"}},{"name":"Eleven-month growth headline","description":"The large white closing headline “11 Months, $200M.”","membership":"Includes only the complete headline text; excludes the growth curve, milestone marker, logo, and background.","id":"obj_029","temporal":{"status":"found","start_s":7.25,"end_s":8.0,"reference_s":7.5,"evidence":"目标为结尾画面上方完整的大号白色标题“11 Months, $200M”，不包含下方增长曲线、标记或标志。首个符合帧为7.25秒，最后符合帧为7.75秒，标题均完整清晰；此前7.00秒仍为CRM仪表盘，未出现该标题。区间持续至视频末尾8.00秒，之后无采样帧。选择7.50秒作为关键帧，标题结构清晰且无遮挡。","start_frame":174,"end_frame":192,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[169.8,308.3,821.9,431.5],"positive_points":[[183.3,368.5],[252.1,370.4],[453.1,371.3],[590.6,356.5],[670.8,361.1],[814.1,369.4]],"negative_points":[[140.6,92.6],[516.7,485.2],[550,661.1],[854.2,351.9]],"evidence":"目标是画面上半部的大号白色标题“11 Months, $200M”。边界框紧贴完整标题，包含逗号和美元符号。六个正点分布在数字、Months及金额的字形笔画上；负点位于左上角标志、曲线顶端标记、下方里程碑文字和标题右侧背景，均不属于标题。"}},{"name":"Annual run-rate growth curve","description":"The rising open curve on the closing graphic, transitioning from blue through cyan and purple to orange and yellow, with two white milestone markers.","membership":"Includes the colored curve stroke and both circular milestone markers with their visible rims. The curve remains open: excludes the area beneath or between its bends, adjacent text, and background.","id":"obj_030","temporal":{"status":"found","start_s":7.25,"end_s":8.0,"reference_s":7.5,"evidence":"目标为结尾画面中从蓝、青、紫渐变至橙黄的上升开放曲线，以及两个带可见外缘的白色圆形里程碑标记，不含文字或曲线下方区域。首个完整出现帧为7.25秒，最后 qualifying 帧为7.75秒；此前7.00秒仍是CRM仪表盘，没有该曲线。目标持续至视频8.00秒结束，边界后无采样帧。选择7.50秒作为关键帧，曲线与两个标记完整清晰、无遮挡。","start_frame":174,"end_frame":192,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[90.6,454.6,534.4,969.4],"positive_points":[[140.6,948.1],[272.4,894.4],[379.7,801.9],[498.9,563.9],[464.6,658.3],[516.7,485.2]],"negative_points":[[250,700],[390,925],[630,660],[630,360]],"evidence":"目标是从左下方向上弯升的蓝—青—紫—橙—黄渐变曲线，带有两个白色里程碑圆点。边界框覆盖整条可见曲线及两个圆点的外缘；六个正点分布在不同颜色的曲线笔画及两个圆点上，负点位于曲线外背景和相邻文字上，不包含曲线下方区域或文字。"}},{"name":"Nine-month milestone text","description":"The white annotation “9 Months, $100M” to the right of the lower milestone on the closing growth curve.","membership":"Includes the complete annotation text only; excludes the adjacent circular marker, colored curve, and background.","id":"obj_031","temporal":{"status":"found","start_s":7.25,"end_s":8.0,"reference_s":7.5,"evidence":"目标是结尾增长曲线较低里程碑右侧的白色完整文字“9 Months, $100M”，不包含圆形标记和曲线。首个合格帧为7.25秒，最后合格帧为7.75秒，文字始终完整清晰。前一帧7.00秒仍是CRM仪表盘，没有目标文字；区间到达视频末尾，之后无采样帧。选择7.50秒作为关键帧，文字清晰、无遮挡，便于独立标注。","start_frame":174,"end_frame":192,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[495.8,631.5,761.5,687.5],"positive_points":[[498.9,651.9],[528.6,658.3],[610.4,662],[671.4,654],[700.8,659.3],[759.4,662]],"negative_points":[[465,658],[630,600],[630,735],[690,370]],"evidence":"目标是较低圆形里程碑右侧的白色“9 Months, $100M”。边界框紧贴完整文字，包含美元符号及逗号，不含圆点和曲线。六个正点分布在文字各段的字形笔画上；负点位于左侧圆形标记、文字上下的背景及上方大标题。"}},{"name":"Annual Run Rate caption","description":"The gray caption “Annual Run Rate” near the bottom of the closing growth graphic.","membership":"Includes the caption text only; excludes the curve and dark backing artwork.","id":"obj_032","temporal":{"status":"found","start_s":7.25,"end_s":8.0,"reference_s":7.5,"evidence":"目标是结尾增长图底部的灰色“Annual Run Rate”文字，仅包括 caption 文本。首个合格帧为7.25秒，文字已完整呈现；最后合格帧为7.75秒，文字持续清晰可见。此前7.00秒仍为CRM仪表盘，没有该文字；区间到达视频末尾，之后无采样帧。选择7.50秒作为关键帧，文字完整、无遮挡，易与曲线和背景区分。","start_frame":174,"end_frame":192,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[424.5,902.8,575.6,929.6],"positive_points":[[427.1,921.3],[440.6,911.1],[482.8,913.0],[496.4,913.0],[519.8,912.0],[567.7,911.1]],"negative_points":[[406.3,916.7],[500.0,963.0],[588.0,915.7],[549.5,870.4]],"evidence":"目标是画面底部灰色的“Annual Run Rate”说明文字。边界框紧贴整段文字，六个正点分布在三个单词的字形笔画上；四个负点位于文字外围的深色背景，未包含增长曲线或背景装饰。"}}]}
+{"video_id":40,"video_type":"desktop and application interfaces","targets":[{"name":"image2patches code example","description":"Initially above the main architecture diagram, this Python example defines image2patches using einops.rearrange. Associated tensor labels illustrate the change from (2, 32, 64, 64) to (8, 32, 32, 32).","membership":"Includes the bordered code card, its contents, and the associated tensor-shape conversion labels and connecting arrow directly below. Excludes the architecture diagram and overlapping foreground panel.","id":"obj_001","temporal":{"status":"found","start_s":9.25,"end_s":12.0,"reference_s":9.5,"evidence":"目标是架构图上方定义 image2patches、调用 einops.rearrange 的边框代码卡，以及下方两组张量形状标签和连接箭头。选取后段连续出现：9.25 秒首次完整进入画面，至最后采样帧 11.75 秒仍完整可见；紧邻之前的 9.00 秒代码卡左侧仍被画面边界裁切。区间延续到视频结束，没有后续帧。9.50 秒代码、边框及形状转换标签清楚且无遮挡，适合作为标注关键帧。","start_frame":222,"end_frame":288,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[136.5,303.7,410.4,404.6],"positive_points":[[178.1,318.5],[279.2,350.9],[170.3,367.6],[397.4,325.9],[213.5,394.4],[291.7,394.4]],"negative_points":[[114.6,339.8],[266.7,268.5],[219.8,476.9],[475.5,406.5]],"evidence":"根据 image2patches 定义、einops.rearrange 调用及下方张量形状转换标签识别目标。框覆盖完整带边框代码卡，以及其下方两组张量标签和连接箭头。正点分布于代码、卡片表面及两组标签；负点位于外围空白、下方架构图和右侧独立代码面板，均不属于目标。"}},{"name":"Local direction feature heading","description":"The standalone teal Chinese text “统计局部区域的方向特征” appears above the left portion of the architecture diagram.","membership":"Includes only the heading text. Excludes the white page background and the diagram below.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":1.75,"evidence":"目标是架构图左上方独立的青绿色中文标题“统计局部区域的方向特征”，不包括下方图示。首个合格帧为0.00秒，最后为4.75秒，期间标题完整可见，虽随页面移动但持续存在。视频起点前无采样帧；紧邻的5.00秒帧已切换到代码及直方图区域，标题不再可见。选择1.75秒作为关键帧，标题完整清晰且无遮挡。","start_frame":0,"end_frame":120,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[133.33,210.19,252.6,229.63],"positive_points":[[135.42,218.52],[159.9,212.96],[179.69,212.04],[203.13,217.59],[227.08,212.04],[248.96,217.59]],"negative_points":[[125,219.44],[192.71,191.67],[192.71,254.63],[312.5,218.52]],"evidence":"目标是架构图左上方独立的青绿色标题“统计局部区域的方向特征”。边界框仅覆盖完整标题文字；六个正点分布在不同汉字笔画上，负点位于标题外的白色背景及下方图示边框上。"}},{"name":"DEGConv module architecture diagram","description":"The large illustrated figure captioned “(b) The Design of DEGConv Module” initially occupies the middle of the page. It connects gradient-direction extraction and histogram features to a direction embedding, gated EdgeConv branches, and an expanded convolution structure.","membership":"Includes the figure’s enclosing card, caption, dashed component boundaries, feature-map illustrations, operation blocks, labels, and connecting arrows. Includes the complete interiors of the component boundaries. Excludes the separate heading, surrounding code examples, foreground code panel, and temporary annotations.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":0,"evidence":"根据题注“(b) The Design of DEGConv Module”、梯度方向提取流程、虚线组件框及 EdgeConv 分支识别该图。首个合格帧为0秒，图卡及内部结构完整可见；随后右侧虽被前景代码面板遮挡，仍可确认同一图持续存在，最后合格帧为4.75秒。紧邻的5秒帧中，图已移至画面底部并被下边界裁切，因此结束于5秒。0秒无遮挡、结构最清楚，选作关键帧；视频起点之前无采样帧。","start_frame":0,"end_frame":120,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[0,316.7,925.5,792.6],"positive_points":[[95.8,472.2],[242.7,570.4],[433.9,543.5],[635.4,522.2],[835.9,615.7],[450.5,760.2]],"negative_points":[[66.7,291.7],[729.2,223.1],[390.6,949.1],[942.7,557.4]],"evidence":"根据底部标题“(b) The Design of DEGConv Module”及方向特征、EdgeConv分支和卷积展开结构确认目标。边界框覆盖整个图示卡片，包括标题、虚线组件区域及其内部图形、文字和箭头。正点分布于梯度特征图、直方图、归一化块、EdgeConv分支、右侧卷积块及图注；负点位于独立中文标题、上下代码示例和卡片右侧背景。"}},{"name":"HoGEdgeGateConv implementation call diagram","description":"A white panel with a purple HoGEdgeGateConv header moves in from the right over the architecture figure. Its forward-method code connects by dotted reddish arrows to the hog_feat sequence, EdgeConv implementations, and module summaries.","membership":"Includes the panel surface and boundary, purple header, all enclosed code cards, tensor readouts, module summaries, and connecting arrows. Excludes the underlying architecture figure, the separate image2patches example, and temporary handwritten emphasis.","id":"obj_004","temporal":{"status":"found","start_s":8.5,"end_s":9.75,"reference_s":8.75,"evidence":"根据紫色 HoGEdgeGateConv 标题、白色面板边界，以及由红色虚线箭头连接的 forward、hog_feat、EdgeConv 代码卡和模块摘要识别目标。首次完整呈现为 8.50 秒，最后符合条件的帧为 9.50 秒；前一帧 8.25 秒面板上部仍被画面裁切，后一帧 9.75 秒右侧开始越出画面。选择 8.75 秒作为关键帧，此时面板完整、无遮挡，内部卡片与连接关系清晰。","start_frame":204,"end_frame":234,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[249.5,330.6,794.3,879.6],"positive_points":[[520.8,342.6],[325.5,553.7],[609.4,419.4],[567.7,565.7],[571.9,752.8],[729.2,750]],"negative_points":[[169.3,555.6],[130.2,351.9],[520.8,930.6],[849,601.9]],"evidence":"目标是右侧带紫色“HoGEdgeGateConv”标题的白色实现调用面板。边界框覆盖完整面板、代码卡片、张量读数、模块摘要及红色虚线连接箭头。正点分布在标题、forward代码、hog_feat序列及上下EdgeConv代码和摘要中；负点位于左侧架构图、独立image2patches示例，以及面板下方和右侧的外部背景。"}},{"name":"Gradient directions and direction histogram example","description":"A compact two-part illustration appears beside the histogram-building code. A colored 8 × 8 grid of gradient arrows is paired with a multicolored bar chart titled “Direction histogram: 64 pixels in total”.","membership":"Includes both plots as one explanatory figure, including their titles, grid cells, arrows, bars, axes, and labels. Excludes the tensor list below and handwritten angle sketches beside the figure.","id":"obj_006","temporal":{"status":"found","start_s":6.5,"end_s":7.5,"reference_s":6.5,"evidence":"目标是并排的彩色 8×8 梯度箭头网格和标题为“Direction histogram: 64 pixels in total”的多色柱状图，不含下方张量列表。首个完整呈现帧为 6.50 秒，最后合格帧为 7.25 秒；此前 6.25 秒图表右侧仍被画面边界裁切，此后 7.50 秒图形随页面移动而被底部边界裁切。选择 6.50 秒作为关键帧，两幅图及标题、坐标轴均完整可见且无遮挡。","start_frame":156,"end_frame":180,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[643,271,895,431],"positive_points":[[671,276],[656,315],[706,385],[783,329],[820,354],[853,416]],"negative_points":[[756,474],[511,627],[588,332],[939,392]],"evidence":"根据左侧彩色8×8梯度箭头网格及右侧标题为“Direction histogram: 64 pixels in total”的柱状图识别目标。框覆盖两个子图的标题、网格、箭头、柱条、坐标轴和标签。正点分布于标题、网格和柱状图内容；负点位于下方张量列表、左侧代码及图外空白，不包含于目标。"}},{"name":"HoGEdgeGateConv implementation call diagram reappearance","description":"After leaving view during the histogram-code presentation, the linked implementation panel returns, first showing its lower EdgeConv cards and then the purple HoGEdgeGateConv header and full forward-method layout.","membership":"Includes the white panel surface and boundary, purple header, forward-method card, linked hog_feat and EdgeConv cards, module summaries, inline readouts, and dotted connectors. Excludes the separate architecture figure and surrounding code examples.","id":"obj_009","temporal":{"status":"found","start_s":8.5,"end_s":9.75,"reference_s":8.75,"evidence":"目标是重新进入视野的实现调用面板，包含紫色 HoGEdgeGateConv 标题、forward 方法卡、hog_feat 与 EdgeConv 卡片及虚线连接。8.50 秒首次完整显示面板表面和边界，9.50 秒为最后完整帧；此前 8.25 秒面板上部仍被画面边界裁切，此后 9.75 秒面板右侧开始移出画面并被裁切。选择 8.75 秒作为关键帧，因完整面板清楚可见，且易与左侧独立架构图区分。","start_frame":204,"end_frame":234,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[249,330,795,880],"positive_points":[[521,343],[346,546],[622,412],[572,566],[731,740],[436,848]],"negative_points":[[157,570],[107,350],[114,925],[853,593]],"evidence":"目标是带紫色“HoGEdgeGateConv”标题的完整链接实现面板。边框覆盖白色面板、forward 方法卡、hog_feat 与 EdgeConv 卡片、模块摘要、内联读数及虚线连接。正点分布于标题、各代码卡和面板下部白色表面；负点位于左侧独立架构图、外围代码示例及右侧背景。"}},{"name":"image2patches code example reappearance","description":"The image2patches example returns above the architecture figure during the later zoomed-out view, again showing einops.rearrange and the associated input-to-patch tensor shapes.","membership":"Includes the bordered function-code card and the directly associated tensor-shape labels and conversion arrow below it. Excludes the architecture figure, the purple-headed implementation panel, and the page background.","id":"obj_010","temporal":{"status":"found","start_s":9.25,"end_s":12.0,"reference_s":11.0,"evidence":"目标是后段缩小视图中、架构图上方的 image2patches 函数代码卡，包含 einops.rearrange 及下方张量形状标签和转换箭头。9.25 秒首次完整显示该组内容；前一帧 9.00 秒代码卡仍被画面左边界裁切。此后持续完整可见，最后合格帧为 11.75 秒，区间延续至视频结束，没有后续帧。选择 11.00 秒作为关键帧，代码卡与附属标签无遮挡，且与下方架构图及右侧紫色标题面板区分清楚。","start_frame":222,"end_frame":288,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[264.6,275,538.5,375],"positive_points":[[290.6,290.7],[411,306.5],[353.1,323.1],[296.9,338],[342.7,365.7],[418.8,365.7]],"negative_points":[[234.4,310.2],[401,240.7],[353.1,435.2],[588.5,309.3]],"evidence":"通过 image2patches 函数名、einops.rearrange 代码及下方输入到分块张量形状的转换标注识别目标。边界框覆盖完整带边框代码卡片，以及其下方两组张量标签和转换箭头。正点分布在代码内容与两组标签上；负点位于外部页面背景、下方架构图及右侧紫色标题实现面板上。"}}]}
+{"video_id":41,"video_type":"desktop and application interfaces","targets":[{"name":"VASP command terminal","description":"Large dark terminal in the center-left. It initially shows shell commands in the MoS2_001 directory, including renaming a structure file to POSCAR, then displays the VASPKIT main menu and its VASP input-file options.","membership":"Include the terminal pane's dark surface, boundary, command history, program output, menus, and input line as its contents. Exclude surrounding application toolbars, sidebars, the overlapping white reference panel, subtitles, and the mouse pointer.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":6.25,"evidence":"目标是中央偏左的大块深色终端，起初显示 MoS2_001 目录中的命令及重命名为 POSCAR 的记录，随后显示 VASPKIT 主菜单和输入文件选项；内容切换未改变终端身份。首个合格帧为 0.00 秒，末个为 24.75 秒，整个区间内终端表面和边界持续存在。区间已达视频两端，没有更早或更晚的采样帧。选择 6.25 秒作为关键帧：白色参考面板已移至右侧，终端边界清楚，且无字幕遮挡，便于排除周围工具栏、侧栏和鼠标。","start_frame":0,"end_frame":600,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[121.9,141.7,743.8,920.4],"positive_points":[[300,230],[211,484],[386,641],[212,836],[595,394],[619,808]],"negative_points":[[732.3,526.9],[74,560],[880,705],[601,119]],"evidence":"根据顶部 MoS2_001 路径、VASPKIT 标识及主菜单识别出中央偏左的深色终端。框覆盖终端可见边界、深色表面、程序输出和底部输入行。正点分布于输出、菜单和终端空白表面；负点位于鼠标指针、左侧栏、右侧白色参考面板和上方工具栏，均不属于目标。"}},{"name":"Remote file manager","description":"White pane at the upper right headed “文件管理器”, showing a POSCAR file and its modification information.","membership":"Include the file-manager pane's header, controls, column headings, file listing, blank interior, and boundary. Exclude the reference panel overlapping its lower portion and the system taskbar.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":6.25,"evidence":"目标是右上角标题为“文件管理器”的白色窗格，包含顶部控件、列标题及 POSCAR 文件和修改时间。首帧 0.00 秒已完整建立，至末帧 24.75 秒持续存在；下方参考面板的遮挡和移动未改变其身份。区间到达视频首尾，无更早或更晚的采样帧。选择 6.25 秒作为关键帧，此时参考面板已向右移，文件管理器的标题、列表及较多空白区域清晰可见；不包含重叠参考面板和系统任务栏。","start_frame":0,"end_frame":600,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[754.2,63.9,1000,952.8],"positive_points":[[787.5,80.6],[972.9,115.7],[784.4,176.9],[945.8,176.9],[895.8,359.3],[773.4,787.0]],"negative_points":[[859.4,657.4],[937.5,870.4],[677.1,379.6],[885.4,976.9]],"evidence":"目标是右上方标题为“文件管理器”、列有 POSCAR 及修改时间的白色窗格。框覆盖其标题栏、工具控件、文件列表、空白区域及底部边界。正点分布于标题、控件、文件名、修改信息和可见空白区；负点位于遮挡下部的参考面板、左侧终端及系统任务栏，均不属于目标。"}},{"name":"VASP calculation reference panel","description":"White reference panel initially overlapping the terminal's lower-right area, later moved toward and partly beyond the right edge. It lists “五大必备文件”—INCAR, POSCAR, KPOINTS, POTCAR, and sub_vasp—and “三个流程”, showing opt → scf → band with Chinese explanations.","membership":"Include the white panel's surface, boundary, headings, diamond bullets, explanatory text, and workflow arrows. Follow the same panel as it moves, including only its visible portion when clipped by the frame. Exclude the terminal, file manager, pointer, and subtitles.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":3,"evidence":"通过白色面板上的“五大必备文件”、INCAR等五项及“opt → scf → band”流程确认目标。首个合格帧为0.00秒，最后为24.75秒；面板持续存在，后移至右侧并部分越界，按目标要求保留其可见部分。区间覆盖视频首尾，两端均无额外相邻帧。选择3.00秒作为关键帧，此时面板内容清楚、可见面积较大，且无字幕遮挡。","start_frame":0,"end_frame":600,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[539.1,480.6,1000,900.9],"positive_points":[[594,532],[721,570],[603,648],[853,690],[659,768],[879,863]],"negative_points":[[500,666],[443,846],[870,361],[856,931]],"evidence":"目标为右下方覆盖终端的白色VASP参考面板，含“五大必备文件”、文件列表及“三个流程”opt→scf→band。边界框覆盖面板全部可见部分，右侧按图像边缘截断。正点分布于标题、列表、说明和流程区域；负点位于面板外的终端、文件管理器及底部状态区域。"}},{"name":"VASP input-file generator menu entry","description":"The VASPKIT main-menu entry “01) VASP Input-Files Generator”, initially the first item under Structural Utilities. Its number is highlighted during the explanation before option 1 opens the input-file submenu.","membership":"Include the complete numbered entry as one text unit wherever it remains visible in the terminal output. Exclude adjacent menu entries, section headings, terminal backing, selection highlighting, and pointer.","id":"obj_004","temporal":{"status":"found","start_s":2.25,"end_s":25.0,"reference_s":6.25,"evidence":"目标是终端中的完整编号条目“01) VASP Input-Files Generator”。首个合格帧为2.25秒；前一帧2.00秒仍显示命令行，尚未出现菜单。该条目随后持续可见，18.00秒打开子菜单后仍保留在终端输出顶部，最后合格帧为24.75秒。区间到达视频末尾，无后续帧。选择6.25秒作为关键帧，条目完整清晰，无选中高亮或指针遮挡，便于独立标注。","start_frame":54,"end_frame":600,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[133.33,475,286.46,491.67],"positive_points":[[135.42,479.63],[160.42,480.56],[181.25,476.85],[211.98,476.85],[242.71,481.48],[279.69,481.48]],"negative_points":[[187.5,504.63],[286.46,460.19],[351.56,482.41],[520.83,509.26]],"evidence":"目标位于终端 Structural Utilities 标题下方左列首行，为“01) VASP Input-Files Generator”。边界框紧贴完整编号及文字；六个正点分布在编号和各段文字笔画上，四个负点位于下一行菜单、章节标题、右侧菜单及远处终端背景，均排除在目标之外。"}},{"name":"Customize INCAR menu entry","description":"The first entry in the VASP Input Files Options submenu, “101) Customize INCAR File”. Its text is selected while the demonstration discusses generating an INCAR file.","membership":"Include the option number and complete label as one text unit. Exclude the submenu heading, other options, terminal backing, selection highlighting, and pointer.","id":"obj_005","temporal":{"status":"found","start_s":18.0,"end_s":25.0,"reference_s":18.5,"evidence":"目标为“VASP Input Files Options”子菜单首项“101) Customize INCAR File”，包含编号和完整标签，后续可见其文字被选中。首个合格帧为18.00秒；前一帧17.75秒仍是主菜单，尚未显示该项。最后合格帧24.75秒中该项仍完整可见，区间延续至视频结束25.00秒，无后续帧。选择18.50秒作关键帧，文字完整清晰，无选择高亮或指针遮挡，便于单独标注。","start_frame":432,"end_frame":600,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[133.3,604.6,261.5,625],"positive_points":[[135.4,612],[150.8,614.8],[162.5,612],[184.9,615.7],[218.2,612],[249,615.7]],"negative_points":[[268.2,591.7],[227.6,636.1],[284.4,614.8],[124.5,614.8]],"evidence":"目标位于“VASP Input Files Options”标题下第一行，为“101) Customize INCAR File”。边界框仅覆盖选项编号和完整标签；六个正点分布在编号及标签字形上，负点位于上方标题、下一条选项及左右终端背景，排除其他内容。"}},{"name":"Generate KPOINTS menu entry","description":"The submenu entry “102) Generate KPOINTS File for SCF Calculation”, immediately below the INCAR option. Its label is progressively selected near the end of the demonstration.","membership":"Include the option number and complete label through “SCF Calculation”. Exclude neighboring options, terminal backing, selection highlighting, and pointer.","id":"obj_006","temporal":{"status":"found","start_s":18.0,"end_s":25.0,"reference_s":18.25,"evidence":"目标是 INCAR 选项正下方的“102) Generate KPOINTS File for SCF Calculation”，包含编号及完整标签。首个合格帧为18.00秒，17.75秒仍显示主菜单，尚无该条目；此后条目持续存在至最后采样帧24.75秒，末尾文字选择不改变其身份。区间延伸至视频终点25.00秒，无后续帧。选择18.25秒为关键帧，此时完整标签清晰可见，无遮挡且未被选中，便于排除背景、指针和邻近选项。","start_frame":432,"end_frame":600,"reference_frame":438},"grounding":{"status":"found","bbox_xyxy":[133.3,627.8,368.8,645.4],"positive_points":[[137.5,635.2],[160.9,635.2],[209.4,634.3],[246.9,636.1],[288.5,635.2],[354.2,636.1]],"negative_points":[[202.1,613.9],[219.3,658.3],[406.3,635.2],[125,635.2]],"evidence":"在终端下方子菜单中找到紧接 INCAR 选项的“102) Generate KPOINTS File for SCF Calculation”。边界框覆盖选项编号和完整标签；六个正点分布在编号及标签各部分的字形上，负点位于上下相邻选项和左右外部终端背景，不包含指针或高亮。"}}]}
+{"video_id":42,"video_type":"desktop and application interfaces","targets":[{"name":"Deep-learning skills mind map","description":"The branching diagram in XMind, with a partially clipped red root labeled “技能库” and visible branches for “Transformer”, “Diffusion Model”, “Mamba”, and “LoRA”. Its diffusion branch lists DDPM implementation tasks, Score-based resources, and “朗之万动力学（数学）”.","membership":"Include the topic boxes, their text, resource links, and connecting branches throughout the visible diagram. Follow the individual boxes and connecting strokes rather than including the blank canvas between branches. Exclude application controls, subtitles, the cursor, and selection outlines.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":4.5,"reference_s":0.5,"evidence":"目标为XMind中的技能库思维导图，可见部分裁切的红色根节点及Transformer、Diffusion Model、Mamba、LoRA分支，扩散模型分支含DDPM任务、Score-based资源和朗之万动力学。首个合格帧为0.00秒，最后为4.25秒，期间持续显示；视频起点前无采样帧，紧邻的4.50秒已切换为飞书文档，导图消失。选择0.50秒为关键帧，图中文字和连接线清楚，且无字幕遮挡；选择轮廓不属于目标。","start_frame":0,"end_frame":108,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[0,94.4,671.3,906.5],"positive_points":[[48,820],[212,190],[465,493],[597,600],[195,755],[536,861]],"negative_points":[[376,47],[634,287],[824,710],[549,974]],"evidence":"目标为以左侧部分裁切的红色“技能库”为根节点的思维导图，可见 Transformer、Diffusion Model、Mamba 和 LoRA 分支。边界框覆盖所有可见主题框、文字、资源链接和连接线，至画布上下裁切处。正点分布在根节点及各主要分支内容上；负点位于工具栏、任务栏和分支外的空白画布，不包含鼠标或蓝色选择轮廓。"}},{"name":"Score-based resource note","description":"The mind-map leaf reading “代码链接在飞书里面了，包括论文”, immediately to the right of “Score-based”. It is selected during the opening demonstration.","membership":"Include this leaf’s rounded background and complete text. Exclude the incoming connector, the neighboring Score-based topic, the cursor, and the temporary blue selection outline.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":4.5,"reference_s":3.5,"evidence":"目标是“Score-based”右侧写有“代码链接在飞书里面了，包括论文”的圆角叶节点，不包含连接线及蓝色选择框。首个合格帧为0秒，最后合格帧为4.25秒，期间节点背景和完整文字持续可见；视频起点前无采样帧，4.5秒已切换到飞书文档，目标消失。选择3.5秒作为关键帧，此时无蓝色选择框，光标远离节点，文字及背景清晰完整。","start_frame":0,"end_frame":108,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[454,577,655,622],"positive_points":[[463,595],[499,600],[537,597],[572,600],[608,597],[643,603]],"negative_points":[[388,599],[442,599],[555,557],[555,645]],"evidence":"目标是“Score-based”右侧写有“代码链接在飞书里面了，包括论文”的叶节点。框覆盖完整文字及浅灰色圆角背景，不含左侧连接线。正点分布于节点文字和背景上；负点位于左侧Score-based节点、连接线及目标上下的外部区域。"}},{"name":"Narration subtitles","description":"Large white Chinese captions with dark blue edging near the bottom center. The changing narration discusses resources in 飞书, the detailed code, and studying its contents.","membership":"Include the currently displayed subtitle characters and their outlines as one changing text block. Exclude the underlying diagram or document, the timer badge, and the system taskbar.","id":"obj_003","temporal":{"status":"found","start_s":0.75,"end_s":8.75,"reference_s":1.5,"evidence":"目标为画面底部中央白色字、深蓝色描边的中文字幕，按同一变化文本块识别。本次连续出现首帧为0.75秒，末帧为8.50秒，期间字幕内容变化且背景切换，但字幕持续可见。紧邻之前的0.50秒和之后的8.75秒均无字幕。选择1.50秒作为关键帧，字幕完整清晰，便于与背景、计时徽章和任务栏区分。","start_frame":18,"end_frame":210,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[280.1,840.7,719,894.4],"positive_points":[[293,865],[367,861],[440,870],[514,863],[607,867],[701,870]],"negative_points":[[910,879],[554,975],[195,755],[780,804]],"evidence":"目标是底部中央白字、深蓝描边的字幕“这份代码其实写的非常的详细简单”。边界框紧贴整行字幕及其描边，六个正点分散在各段字形上；负点位于计时徽章、系统任务栏、上方思维导图节点和外部空白处。"}},{"name":"Code-series document outline","description":"The white navigation column inside the 飞书 document, headed “尽量”手撕”代码系列”. It lists “1. Diffusion Model”, DDPM, “2. SDE & ODE”, denoising architectures, guidance methods, DDIM, and “2. Transformer”. The active section changes from “4. 手撕 DiT” to “2. SDE & ODE”.","membership":"Include the outline panel’s surface, heading, hierarchical entries, disclosure controls, and its internal scrollbar. Exclude the dark application sidebar and the document body to its right.","id":"obj_004","temporal":{"status":"found","start_s":4.5,"end_s":10.0,"reference_s":5.75,"evidence":"目标是飞书文档内的白色目录导航栏，含代码系列标题、Diffusion Model、SDE & ODE、DiT、DDIM及Transformer等层级条目，不含左侧深色应用栏和右侧正文。首个合格帧为4.50秒，面板已完整建立；此前4.25秒仍为思维导图。目录持续显示至最后采样帧9.75秒，期间活动条目由DiT切换至SDE & ODE，不改变面板身份。区间延至视频末尾10.00秒，无后续帧。选择5.75秒作为关键帧，目录表面、层级条目、展开控件及内部滚动条均清晰可辨。","start_frame":108,"end_frame":240,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[122.1,155.6,324.1,942.6],"positive_points":[[189,230],[203,343],[182,491],[192,606],[310,573],[213,866]],"negative_points":[[73,373],[421,248],[572,636],[264,110]],"evidence":"目标是深色应用侧栏右侧的白色文档大纲，标题为“尽量‘手撕’代码系列”，含 Diffusion Model、SDE & ODE、手撕 DiT 和 Transformer 等条目。框覆盖顶栏下方的整列大纲表面、折叠控件、层级条目及内部滚动条；正点分布于标题、不同高度的条目及滚动条，负点位于深色侧栏、右侧正文和上方文档顶栏。"}},{"name":"DiT section heading","description":"The document-body heading “4. 手撕 DiT”, initially displayed above the implementation link and architecture illustration.","membership":"Include the section number and heading characters only. Exclude the implementation line below, surrounding document surface, and editing indicators.","id":"obj_005","temporal":{"status":"found","start_s":4.5,"end_s":6.5,"reference_s":5.75,"evidence":"目标为文档正文顶部、实现链接与架构图上方的“4. 手撕 DiT”，仅包含编号和标题文字。首个合格帧为4.50秒，最后合格帧为6.25秒；此前4.25秒仍是思维导图，之后6.50秒正文已切换至“SDE & ODE”，目标标题消失。选择5.75秒作为关键帧，标题完整清晰且无遮挡，易与左侧目录中的同名条目区分。","start_frame":108,"end_frame":156,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[359.4,193.5,444.4,219.4],"positive_points":[[364.0,207.4],[389.5,199.1],[407.4,209.3],[420.1,207.4],[429.4,209.3],[440.4,198.1]],"negative_points":[[469.0,250.0],[341.4,208.3],[396.4,171.3],[186.3,604.6]],"evidence":"目标位于正文上方、代码实现链接之上的“4. 手撕 DiT”。边界框紧包章节编号与标题字���；六个正点分布在编号及中英文字符笔画上，负点位于下方实现链接、标题外空白和左侧目录中的同名条目，排除这些非目标区域。"}},{"name":"DiT implementation link","description":"The line beneath the DiT heading reading “代码实现” followed by “https://github.com/facebookresearch/DiT/blob/main/models.py”.","membership":"Include the introductory label and complete blue URL as one text unit. Exclude the heading above and the architecture graphic below.","id":"obj_006","temporal":{"status":"found","start_s":4.5,"end_s":6.5,"reference_s":5.5,"evidence":"目标为“4. 手撕 DiT”标题下方的“代码实现”及完整蓝色 GitHub URL，作为同一文本单元。首个合格帧为4.50秒，最后合格帧为6.25秒，期间整行持续完整可见。前一帧4.25秒仍是思维导图；后一帧6.50秒已跳转至“SDE & ODE”部分，目标消失。选择5.50秒为关键帧，文字完整清晰且无遮挡，易与上方标题和下方结构图区分。","start_frame":108,"end_frame":156,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[357.6,238.9,771.4,262],"positive_points":[[363.4,249.1],[398.1,250],[449.1,250.9],[540.5,248.1],[648.1,249.1],[749.4,250.9]],"negative_points":[[407.4,206.5],[567.1,535.2],[839.1,277.8],[630.8,333.3]],"evidence":"目标位于“4. 手撕 DiT”标题下方，边框紧贴“代码实现”及其后完整蓝色 GitHub URL。六个正点分布于中文标签和网址各段文字笔画；负点位于上方标题、下方架构图、右侧空白及浮动工具栏，均不属于目标文本。"}},{"name":"Diffusion Transformer architecture illustration","description":"The two-part DiT illustration in the document body. The left side shows a latent diffusion transformer with Patchify, Embed, repeated DiT blocks, and noise outputs; the right side expands a “DiT Block with adaLN-Zero” with attention, feedforward layers, conditioning, and residual connections.","membership":"Include the complete illustration surface, both architectural diagrams, their arrows, labels, and bottom captions. Exclude the temporary image-selection border, resize handles, floating editing toolbar, cursor, and overlaid subtitles.","id":"obj_007","temporal":{"status":"found","start_s":4.5,"end_s":6.5,"reference_s":6.25,"evidence":"目标是文档正文中左右并列的DiT架构插图：左侧含Patchify、Embed、DiT Block及噪声输出，右侧为adaLN-Zero模块展开图，底部有两幅图的标题。首次合格帧为4.50秒，最后合格帧为6.25秒；此前4.25秒仍为思维导图，此后6.50秒正文切换为SDE & ODE公式截图，目标消失。选择6.25秒作为关键帧，完整插图及底部标题清晰可见，且无临时选择边框和浮动编辑工具栏。","start_frame":108,"end_frame":156,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[483.8,398.1,820,838],"positive_points":[[537,471.3],[566.6,638],[599.5,754.6],[714.1,498.1],[717.6,683.3],[741.3,827.8]],"negative_points":[[601.9,250],[524.9,871.3],[221.1,604.6],[873.8,621.3]],"evidence":"根据左侧潜空间扩散 Transformer 和右侧 adaLN-Zero DiT 模块展开图识别目标。框覆盖两部分架构、连线、标签及底部说明文字；正点分布在左右模块及底部图注，负点位于上方链接、下方叠加字幕、左侧目录和右侧外部空白，不包含字幕、光标或编辑控件。"}},{"name":"SDE and ODE section heading","description":"The document-body heading “2. SDE & ODE”, shown after navigation away from the DiT section.","membership":"Include the section number and heading text only. Exclude the temporary pale highlight behind it, the document background, and the separate “前向过程” heading below.","id":"obj_008","temporal":{"status":"found","start_s":6.5,"end_s":10.0,"reference_s":8.75,"evidence":"目标是文档正文中的“2. SDE & ODE”编号及标题文字，不含浅色高亮和下方“前向过程”。6.50秒首次完整出现，前一帧6.25秒正文仍为DiT章节；此后持续可见至最后一帧9.75秒。区间到达视频末尾10.00秒，没有后续采样帧。选择8.75秒作为关键帧，此时标题清晰完整，已无临时高亮且无遮挡。","start_frame":156,"end_frame":240,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[359.4,223.1,468.2,246.3],"positive_points":[[363.4,230.6],[386.6,227.8],[409.1,234.3],[424.2,238.0],[436.3,234.3],[463.0,234.3]],"negative_points":[[385.0,289.8],[198.0,379.6],[410.0,196.3],[496.0,236.1]],"evidence":"目标是正文上方的“2. SDE & ODE”，而非左侧目录中的同名条目。边界框紧贴节号及英文标题；六个正点分布在节号和标题字形上，四个负点位于下方“前向过程”、左侧目录及标题外的空白背景，未包含背景或高亮。"}},{"name":"Forward-process heading","description":"The bold “前向过程” heading beneath “2. SDE & ODE” and above the mathematical excerpt.","membership":"Include the heading characters only. Exclude adjacent heading-format controls, disclosure indicators, the paper excerpt, and the document surface.","id":"obj_009","temporal":{"status":"found","start_s":6.5,"end_s":10.0,"reference_s":8.75,"evidence":"目标是正文中“2. SDE & ODE”下方、数学摘录上方的粗体“前向过程”，不含左侧目录同名条目及格式控件。6.50秒首次完整出现，6.25秒正文仍显示DiT图示；此后持续可见至最后采样帧9.75秒，故区间结束于视频末尾10.00秒，无后续帧。选择8.75秒为关键帧，标题完整清晰，旁边无格式控件干扰。","start_frame":156,"end_frame":240,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[358.2,278.7,414.4,301.9],"positive_points":[[361.1,283.3],[367.5,294.4],[376.2,283.3],[381.4,296.3],[391.2,290.7],[408.0,297.2]],"negative_points":[[411.5,235.2],[539.9,349.1],[434.0,288.9],[193.3,416.7]],"evidence":"目标是正文中“2. SDE & ODE”下方、数学论文摘录上方的粗体“前向过程”。边界框紧贴四个标题字符，正点分布在各字笔画上；负点位于上方章节标题、论文摘录、右侧空白及左侧目录的同名条目，均不属于目标。"}},{"name":"Mean-reverting SDE excerpt","description":"The embedded paper excerpt beneath “前向过程”, beginning with the green-highlighted “Mean-Reverting SDE.” It contains explanatory English paragraphs, the forward stochastic differential equation, its Gaussian transition distribution, and red underlines beneath the equations.","membership":"Include the entire rectangular excerpt image, its white surface, text, equations, green highlighting, and red annotations. Keep the same extent as it moves upward during scrolling. Exclude image-selection outlines, resize handles, editing controls, subtitles, and the separate equation appearing below the image.","id":"obj_010","temporal":{"status":"found","start_s":6.5,"end_s":10.0,"reference_s":8.75,"evidence":"目标是“前向过程”下以绿色高亮“Mean-Reverting SDE.”开头、包含英文段落及红色公式下划线的矩形论文摘录。首个符合条件的帧为6.50秒，前一帧6.25秒仍显示DiT结构图；摘录随后随滚动上移，持续至最后一帧9.75秒，视频结束后无相邻帧。选择8.75秒作为关键帧，此时摘录完整清晰，无字幕遮挡及选择框，可与下方独立公式区分。","start_frame":156,"end_frame":240,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[494,329,799,865],"positive_points":[[555,348],[654,418],[612,465],[716,568],[674,710],[610,827]],"negative_points":[[387,290],[434,587],[653,930],[846,659]],"evidence":"目标位于“前向过程”下方，以绿色高亮的“Mean-Reverting SDE.”开头。框覆盖整幅论文摘录的白色底面、英文段落、两条公式及红色下划线，止于末段文字下方，不包含更下方的独立公式。正点分布在标题、段落和公式区域；负点位于上方小标题、左右外部空白及下方独立公式。"}}]}
+{"video_id":43,"video_type":"desktop and application interfaces","targets":[{"name":"Pi hero logo","description":"Large black, pixel-like Pi symbol centered above the introductory website text; initially partly cropped by the top edge and later fully visible as the view zooms out.","membership":"Include the black geometric parts of the central logo, preserving their actual outlines and gaps. Exclude the surrounding background, introductory text, and smaller navigation-bar logo.","id":"obj_001","temporal":{"status":"found","start_s":2.5,"end_s":3.25,"reference_s":3.0,"evidence":"目标是网站介绍文字上方居中的大型黑色像素状 Pi 标志，不含导航栏小标志。首个完整呈现帧为 2.50 秒，前一帧 2.25 秒仍被画面顶边裁切；最后合格帧为 3.00 秒，后一帧 3.25 秒已切换至终端，标志消失。选择 3.00 秒作为关键帧，此时标志完整清晰、无遮挡，且与导航栏小标志易于区分。","start_frame":60,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[496.4,180.6,533.3,246.3],"positive_points":[[500,188.9],[518.2,188],[500,210.2],[500.5,238.9],[509.4,221.3],[528.6,236.1]],"negative_points":[[468.8,208.3],[552.1,211.1],[511.5,308.3],[84.4,88.9]],"evidence":"目标是页面中央、介绍文字上方的大型黑色像素式 Pi 标志。边界框紧贴其黑色几何部分的整体外缘；六个正点分布在顶部、左侧、中部及右下黑色笔画上，避开内部缺口。负点位于两侧背景、下方介绍文字和左上导航栏的小标志上。"}},{"name":"Pi website headline","description":"Centered two-line italic headline reading “There are many agent harnesses but this one is yours,” with “yours” in light blue.","membership":"Include the complete headline text across both lines. Exclude the logo above it, descriptive text below it, and page background.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":0,"evidence":"目标是页面中央的两行斜体标题“There are many agent harnesses but this one is yours���，其中“yours”为浅蓝色。首个合格帧为0.00秒，标题已完整显示；最后合格帧为3.00秒，缩小后仍完整可见。3.25秒画面切换为终端，标题消失。区间始于视频开头，无更早采样帧。选择0.00秒作为关键帧，标题较大、清晰且无遮挡，便于区分上方标志和下方说明文字。","start_frame":0,"end_frame":78,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[299,147,756,295],"positive_points":[[311.5,169.4],[557.3,192.6],[628.6,163],[390.6,259.3],[460.4,227.8],[656.8,271.3]],"negative_points":[[522.4,25.9],[514.6,364.8],[257.3,217.6],[791.1,250]],"evidence":"目标是页面中央的两行斜体标题，末词“yours”为浅蓝色。边界框覆盖两行完整文字及行间空隙；六个正点分布在两行字形笔画上，负点位于上方标志、下方说明文字及标题左右的页面背景。"}},{"name":"Pi introduction text","description":"Centered explanatory block beneath the headline: “Pi is a minimal agent harness.” and “Adapt Pi to your workflows, not the other way around.”","membership":"Include both sentences as one text block. Exclude the headline, installation panel, and background.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":0,"evidence":"目标为标题下方居中的两句介绍文字：“Pi is a minimal agent harness.”及“Adapt Pi to your workflows, not the other way around.”，作为同一文本块。首个合格帧为0.00秒，已完整显示；末个合格帧为3.00秒，缩小后仍完整存在。3.25秒切换到终端，目标消失。区间始于视频开头，无更早帧。选择0.00秒为关键帧，因为文字清晰、尺寸较大且无遮挡。","start_frame":0,"end_frame":78,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[298.4,349.1,751.6,442.6],"positive_points":[[405.2,369.4],[493.8,369.4],[582.8,369.4],[356.3,424.1],[539.1,425.0],[744.8,423.1]],"negative_points":[[525,257],[390,530],[252,398],[520,471]],"evidence":"目标是主标题下方居中的两行介绍文字，分别以“Pi is”和“Adapt Pi”开头。边界框完整覆盖两句话及行间间隔；六个正点分布在两行文字的字形笔画上，负点位于上方标题、下方安装面板及文字块外的背景。"}},{"name":"Installation-method panel","description":"Bordered website panel with CURL, POWERSHELL, NPM, PNPM, and BUN tabs. CURL is selected, displaying “curl -fsSL https://pi.dev/install.sh | sh” and a COPY button.","membership":"Include the panel surface, outer boundary, tab row, selected-tab underline, command, and COPY button. Exclude surrounding website text and the recording cursor.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":0.5,"evidence":"目标是带 CURL、POWERSHELL、NPM、PNPM、BUN 标签的安装面板，包含选中 CURL 的下划线、安装命令和 COPY 按钮。首个合格帧为 0.00 秒，面板已完整显示；最后合格帧为 3.00 秒，缩小后仍完整可见。3.25 秒画面切换为终端，面板消失。区间起点即视频开头，没有更早采样帧。选择 0.50 秒作为关键帧，面板较大、边界和内部元素清晰，无遮挡。","start_frame":0,"end_frame":78,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[155.2,496.3,894.3,722.2],"positive_points":[[193,531],[294,532],[532,531],[364,644],[822,643],[688,689]],"negative_points":[[510,513],[526,420],[222,829],[119,621]],"evidence":"根据五个安装方式标签、选中的 CURL 下划线、安装命令及 COPY 按钮识别该面板。边界框覆盖面板外边框、标签栏和命令区域；正点分布在标签、命令、按钮及面板表面，负点位于明确排除的录屏光标、上方说明文字、下方其他区域和左侧背景。"}},{"name":"Website manipulation demonstration panel","description":"Pale bordered panel below the installation instructions, headed “PI - MANIPULATE THE WEBSITE” and containing “$ SCROLL TO CONTINUE.” Its lower portion extends beyond the initial view.","membership":"Include the panel boundary, header, surface, and enclosed demonstration contents to the visible edges. Exclude the surrounding page and overlaid subtitles.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":3,"evidence":"目标是安装说明下方的浅色描边面板，标题为“PI - MANIPULATE THE WEBSITE”，内有“$ SCROLL TO CONTINUE”。首个合格帧为0秒，面板结构已建立，下部超出视野属于描述指定的裁切；视频开头无更早帧。最后合格帧为3秒，缩放过程中该面板持续存在；紧邻的3.25秒画面已切换为终端，面板消失。选择3秒作为关键帧，因为面板边界、标题及内部提示清晰，显示范围较完整。","start_frame":0,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[240.6,677.8,788.5,1000],"positive_points":[[365,696],[306,740],[260,794],[758,787],[253,959],[651,974]],"negative_points":[[213,787],[833,787],[625,590],[474,887]],"evidence":"目标为安装说明下方、标题为“PI - MANIPULATE THE WEBSITE”且含“$ SCROLL TO CONTINUE”的浅色面板。框覆盖面板边界、标题及可见表面，下沿截于图像底部。正点分布于标题、提示文字和未遮挡面板表面；负点位于两侧页面、上方安装区域及明确排除的字幕覆盖层。"}},{"name":"Chinese tutorial subtitles","description":"Continuously updated Chinese captions near the bottom center, explaining installation methods, HomeBrew installation, launching Pi, connecting a model, and using login.","membership":"Include the current subtitle lettering as a single updating text block. Exclude its gray backing rectangle, underlying website or terminal content, and uploader watermarks.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":14.75,"reference_s":0,"evidence":"目标是画面底部中央持续更新的中文字幕文字，不包含灰色底框和右下角水印。首个合格帧为0.00秒，字幕“官网上提供了这几种方式安装Pi”已完整呈现；最后合格帧为14.50秒，显示“使用login就可以添加模型提供方”。14.75秒字幕已消失，因此区间结束于14.75秒。区间起点即视频开头，无更早采样帧。选择0.00秒作为关键帧，字幕完整清晰，便于单独标注文字。","start_frame":0,"end_frame":354,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[272.9,860.2,728.1,916.7],"positive_points":[[277.6,873.1],[309.4,888.0],[352.1,908.3],[480.7,908.3],[623.4,876.9],[704.7,888.9]],"negative_points":[[520.8,849.1],[505.2,923.1],[828.1,942.6],[212.5,909.3]],"evidence":"目标是底部中央的字幕“官网上提供了这几种方式安装Pi”。边界框仅覆盖整行字幕文字，不含灰色底板。六个正点分布在字幕不同位置的字形笔画上；负点位于灰色底板、下方水印及左侧网页文字处。"}},{"name":"Homebrew installation command and result","description":"Terminal text beginning at the green “myObsidianLib” prompt with “brew install pi-coding-agent.” It expands to report that pi-coding-agent 0.84.4 is already installed and gives a reinstall command.","membership":"Include the initial shell prompt, installation command, and its associated warning and reinstall instructions. Exclude the subsequent shell prompt, Pi startup output, and terminal background.","id":"obj_007","temporal":{"status":"found","start_s":4.75,"end_s":10.5,"reference_s":5.0,"evidence":"目标由绿色 myObsidianLib 提示符、brew install pi-coding-agent 命令、已安装 0.84.4 的警告及重装说明组成。4.75 秒首次完整呈现全部指定内容；此前 4.50 秒只有安装命令，尚无结果。最后合格帧为 10.25 秒，10.50 秒起初始提示符和安装命令被画面上边界裁切。选择 5.00 秒作为关键帧，文字清晰完整，且容易排除下方的新提示符和终端背景。","start_frame":114,"end_frame":252,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[139.6,109.3,892.2,268.5],"positive_points":[[176.6,125.9],[331.3,122.2],[143.2,164.8],[786.5,166.7],[220.8,207.4],[440.1,250.9]],"negative_points":[[239.6,292.6],[567.7,370.4],[78.1,166.7],[364.6,888.0]],"evidence":"目标为终端顶部的 Homebrew 安装命令及其结果。框覆盖首行绿色提示符、安装命令、已安装警告和两行重装说明，不含下方再次出现的提示符。六个正点分布在这四行文字笔画上；负点位于后续提示符、终端空白、左侧深色背景及底部字幕。"}},{"name":"Pi launch command line","description":"The next green “myObsidianLib” shell prompt beneath the Homebrew result. Its editable command changes before settling on “pi,” which launches the agent.","membership":"Include this prompt and its command text throughout editing and submission. Exclude the earlier installation transcript, subsequent startup output, terminal background, and insertion cursor.","id":"obj_008","temporal":{"status":"found","start_s":4.75,"end_s":11.0,"reference_s":7.5,"evidence":"目标是 Homebrew 结果下方新出现的绿色“myObsidianLib”提示符及其命令，随后经历 iflow、pi update --extensions 等编辑并提交 pi。首个合格帧为4.75秒；此前4.50秒只有安装命令，尚无该提示符。最后合格帧为10.75秒，提示符及 pi 仍完整可见；11.00秒该行已移出画面，只见启动输出。选择7.50秒作为关键帧，此时 pi 已提交，目标完整清晰，且与上方安装记录容易区分。","start_frame":114,"end_frame":264,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[139.6,276.9,351.0,311.1],"positive_points":[[145.8,291.7],[177.1,292.6],[211.0,293.5],[244.8,287.0],[288.0,299.1],[345.8,295.4]],"negative_points":[[338.5,250.0],[244.8,125.0],[140.6,370.4],[406.3,296.3]],"evidence":"目标是 Homebrew 安装结果下方的绿色启动命令行，内容为箭头提示符、myObsidianLib 和 pi。框紧贴整行可见内容，不包含下方插入光标。六个正点分布在箭头及提示符、���令的字形上；负点位于上方安装记录和目标外的终端背景。"}},{"name":"Pi startup output","description":"Terminal startup text following the pi command, beginning with a model-pattern warning and model scope. It shows “pi v0.84.4,” keyboard help, and resource sections labeled “[Skills],” “[Prompts],” “[Extensions],” and “[Themes].”","membership":"Include the complete contiguous startup output, including warnings, model scope, version, help text, section headings, and listed resources, following it as the view pans and scales. Exclude shell commands above it, the interactive input area below it, status information, and subtitle overlays.","id":"obj_009","temporal":{"status":"found","start_s":10.75,"end_s":11.0,"reference_s":10.75,"evidence":"根据模型匹配警告、Model scope、pi v0.84.4、快捷键帮助及四个资源分区识别目标。10.75秒是首个也是最后一个完整呈现该连续启动输出的采样帧；此前10.50秒底部[Themes]资源列表仍被画面边缘裁切，此后11.00秒顶部警告已移出画面。选择10.75秒为关键帧，各部分均在画面内，可与上方 shell 命令、下方输入区及字幕区分。","start_frame":258,"end_frame":264,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[102,70,1000,901],"positive_points":[[109,87],[122,212],[141,462],[360,630],[509,756],[157,882]],"negative_points":[[194,44],[475,885],[44,464],[817,969]],"evidence":"通过模型匹配警告、模型范围、“pi v0.84.4”及四个资源栏目识别启动输出。框从警告延伸至底部可见的 Themes 资源文字，右侧被画面截断。六个正点分布在警告、版本及各资源栏目文字上；负点位于上方 shell 命令、明确排除的字幕覆盖层、左侧黑色背景和底部空白处。"}},{"name":"Pi command and authentication interaction panel","description":"Interactive terminal area below the startup resources, initially an empty input between horizontal rules. Typing “/” opens command suggestions, then “/login” narrows them to login and opens “Select authentication method:” with account and API-key options.","membership":"Include the functional panel surface, horizontal boundaries, entered text, suggestion lists, selection arrows, authentication choices, and navigation instructions as its contents update. Exclude startup resources above, working-directory and usage status below, the terminal window outside the panel, and subtitles.","id":"obj_010","temporal":{"status":"found","start_s":11.0,"end_s":15.0,"reference_s":14.75,"evidence":"目标是启动资源下方、由水平线界定的交互面板，内容从空输入区变为“/”命令建议、“/login”及认证方式选项。首个合格帧为11.00秒，上下边界和输入区域已完整可见；前一帧10.75秒尚未显示该面板。最后合格帧为14.75秒，面板仍显示账户/API key选项及导航说明，视频结束后无相邻帧。选择14.75秒作为关键帧，因为面板结构清晰且无字幕遮挡。","start_frame":264,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[24,482,1000,863],"positive_points":[[194,567],[185,651],[245,693],[289,777],[715,629],[901,813]],"negative_points":[[239,359],[404,232],[203,902],[112,946]],"evidence":"通过“Select authentication method:”标题、账户/API key 登录选项及键盘导航提示识别该交互面板。边界框覆盖上下横线之间的完整面板表面及横线，右侧延伸至图像边缘。正点分布在标题、选项、导航提示和面板空白表面；负点位于上方启动资源及下方工作目录、用量状态，均不属于面板。"}}]}
+{"video_id":44,"video_type":"desktop and application interfaces","targets":[{"name":"Time-zone notice","description":"The line “all times are Central Standard Time” above the Michigan county tornado records.","membership":"Includes only the notice text; excludes the county heading below it and the surrounding page background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.25,"evidence":"目标是密歇根县龙卷风记录上方的“all times are Central Standard Time”独立文字行。首个合格帧为0.00秒，最后为0.50秒，文字均完整可见；0.75秒页面上滚后该行已离开可视区域。区间始于视频开头，没有更早采样帧。选择0.25秒作为关键帧，文字清晰完整，且与下方县标题容易区分。","start_frame":0,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[216.67,175,428.13,196.3],"positive_points":[[227.08,185.19],[244.79,184.26],[272.4,187.04],[295.31,185.19],[369.79,185.19],[401.04,177.78]],"negative_points":[[250,221.3],[312.5,156.48],[442.71,185.19],[203.13,185.19]],"evidence":"目标是县级龙卷风记录上方的“all times are Central Standard Time”通知。边界框仅覆盖这一行文字；六个正点分布于该行不同单词的字形笔画上，负点位于下方县名标题及文字上方、左右的页面背景。"}},{"name":"Alcona County tornado records","description":"The first county record block, headed “Alcona County Tornadoes,” with eight visible tornado entries and columns for dates, times, casualties, F-Scale, coordinates, and county codes. It moves upward as the page scrolls.","membership":"Includes the county heading, column headings, and all record rows in this block. Excludes the time-zone notice, the upward navigation arrow below, and neighboring county blocks.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0.25,"evidence":"目标由“Alcona County Tornadoes”标题、列标题及八条龙卷风记录组成，不含时区提示和下方箭头。首个合格帧为0.00秒，最后合格帧为0.75秒，期间整个记录块完整可见并向上移动；1.00秒时标题及多数记录已越过页面可视区域上边界，仅剩底部记录，因此排除。区间始于视频开头，无更早采样帧。选择0.25秒作为关键帧，标题、列标题和八条记录均清晰完整，易于与下方县记录块区分。","start_frame":0,"end_frame":24,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[216.1,212.9,629.2,454.6],"positive_points":[[260.4,220.4],[281.3,275.0],[614.6,275.0],[309.4,317.6],[457.8,390.7],[540.6,446.3]],"negative_points":[[314.6,185.2],[224.0,522.2],[265.6,615.7],[364.6,711.1]],"evidence":"目标是页面首个“Alcona County Tornadoes”记录块。边界框覆盖县名标题、全部列标题及八条记录；正点分布在标题、左右列标题和上中下记录文字上。负点位于上方时区说明、下方向上箭头及相邻 Alger 县标题和记录中，均不属于目标。"}},{"name":"Alger County tornado records","description":"The block headed “Alger County Tornadoes,” below Alcona, containing six tornado entries. It becomes fully visible during scrolling.","membership":"Includes the county heading, column headings, and six record rows. Excludes navigation arrows and the Alcona and Allegan record blocks.","id":"obj_003","temporal":{"status":"found","start_s":0.25,"end_s":1.5,"reference_s":0.5,"evidence":"目标是位于 Alcona 下方、标题为“Alger County Tornadoes”的记录块，包括列标题和六条记录，不含导航箭头。首个完整可见帧为0.25秒，最后一个为1.25秒；此前0秒帧仅显示该块标题及部分列标题，记录行被画面下缘截断；此后1.5秒帧已切换为 NOAA 查询页面，目标消失。选择0.5秒作为关键帧，因整个记录块清晰完整、无遮挡，且易与上下县的记录块区分。","start_frame":6,"end_frame":36,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[216.1,608.3,629.2,810.2],"positive_points":[[250,615],[337,668],[278,730],[436,747],[502,784],[550,803]],"negative_points":[[224,879],[297,428],[286,970],[682,731]],"evidence":"目标是位于 Alcona 下方、标题为“Alger County Tornadoes”的记录块。边界框覆盖县名标题、全部列标题及六行记录；正点分布在标题、列名和记录文字上，负点位于下方导航箭头、Alcona 与 Allegan 文本块及右侧外部空白处。"}},{"name":"Allegan County tornado records","description":"The next block, headed “Allegan County Tornadoes,” progressively revealed beneath Alger. Its longer table includes tornado dates, casualties, ratings, and coordinates.","membership":"Includes the heading and the visible portion of this county’s table, including column headings and record rows. Excludes the preceding navigation arrow and other counties’ records.","id":"obj_004","temporal":{"status":"found","start_s":1.0,"end_s":1.5,"reference_s":1.25,"evidence":"目标是 Alger 下方以“Allegan County Tornadoes”为标题的记录块，包含标题、列名和当前可见的记录行，不含上方导航箭头。首个合格帧为1.00秒，末帧为1.25秒；0.75秒仅露出标题和列名，记录行尚未进入画面，1.50秒已切换到 NOAA 搜索页面。按目标限定的可见表格部分判断，1.25秒展示的记录最多且文字清楚，故选为关键帧。","start_frame":24,"end_frame":36,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[215.6,571.3,666.1,976.9],"positive_points":[[261.5,578.1],[436.5,631.5],[622.4,692.6],[239.8,766.7],[506.8,912.8],[276.0,968.5]],"negative_points":[[223.4,485.2],[268.8,221.3],[494.8,410.2],[729.2,787.0]],"evidence":"目标是下方标题为“Allegan County Tornadoes”的记录块。边界框紧贴标题、列标题及所有可见记录行，底部止于页面裁切处。六个正点分布在标题、表头和上中下部记录文字上；负点位于上方导航箭头、Alger县标题与记录，以及右侧外部空白，均排除在目标之外。"}},{"name":"Storm Events search form","description":"The NOAA Storm Events Database query form showing Texas, a June 1, 1995 begin date, Castro County, and Tornado as the selected event type. The end year changes from 2022 to 1995 before the search is submitted.","membership":"Includes the compact form area containing field labels, state selector, both date-selector groups and calendar icons, county and event-type list boxes with their scrollbars, the advanced-options link, and Search button. Excludes the page title and instructions above, left navigation sidebar, and information box below.","id":"obj_005","temporal":{"status":"found","start_s":1.5,"end_s":3.25,"reference_s":2.25,"evidence":"目标是含 Texas 州选择器、起止日期及日历图标、Castro 县与 Tornado 事件列表、高级选项链接和 Search 按钮的完整查询表单。首个合格帧为 1.50 秒，最后为 3.00 秒；期间结束年份从 2022 改为 1995，不影响表单连续性。前一帧 1.25 秒仍是 Michigan 龙卷风记录页，后一帧 3.25 秒已替换为搜索结果页。选择 2.25 秒作为关键帧，表单完整清晰，日期已更新且遮挡很少。","start_frame":36,"end_frame":78,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[342.2,307.4,832.3,827.8],"positive_points":[[469.8,321.3],[468.8,376.9],[520.3,426.9],[502.1,628.7],[719.8,508.3],[444.3,810.2]],"negative_points":[[406.3,203.7],[228.6,430.6],[515.6,907.4],[885.4,527.8]],"evidence":"根据 Texas、1995年6月1日起始日期、Castro 县和 Tornado 选项识别该搜索表单，结束年份也显示为1995。边框覆盖字段标签、州及日期控件、日历图标、两个列表及滚动条、高级选项链接和 Search 按钮。正点分布于州选择器、两组日期、县列表、事件列表和搜索按钮；负点位于上方标题、左侧导航、下方信息框及右侧外部背景。"}},{"name":"Search submission button","description":"The rectangular “Search” button below the query fields, highlighted as the pointer activates it.","membership":"Includes the button surface, border, and label, which also remain part of the search form. Excludes the pointer and surrounding whitespace.","id":"obj_006","temporal":{"status":"found","start_s":1.5,"end_s":3.25,"reference_s":2.75,"evidence":"目标是查询字段下方带边框和“Search”标签的矩形提交按钮，不包括指针。首个完整可见帧为1.50秒，最后一个为3.00秒；此前1.25秒显示密歇根龙卷风列表，没有该按钮，此后3.25秒已切换为搜索结果页，按钮消失。选择2.75秒作为关键帧，按钮呈蓝色高亮，表面、边框和标签清晰可辨，符合指针激活时的描述。","start_frame":36,"end_frame":78,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[407.3,794.4,481.8,826.9],"positive_points":[[412.5,803.7],[473.4,803.7],[468.8,817.6],[417.7,817.6],[431.3,809.3],[453.1,810.2]],"negative_points":[[439.6,834.3],[396.4,806.5],[464.1,778.7],[492.2,813.0]],"evidence":"目标是查询字段下方浅蓝色的“Search”提交按钮。边界框紧贴按钮表面、边框及标签，不包含下方伸出的手形指针。正点分布在按钮左右表面和文字区域；负点位于手形指针及按钮外周的空白处。"}},{"name":"Castro County search-results heading","description":"The main results text headed “Storm Events Database” and “Search Results for Castro County, Texas,” followed by the Tornado event type and a statement that seven events were reported between June 1 and June 10, 1995.","membership":"Includes this heading and its associated event-type and date-range lines. Excludes the NOAA banner, breadcrumb navigation, and Summary Info section below.","id":"obj_007","temporal":{"status":"found","start_s":3.25,"end_s":4.0,"reference_s":3.5,"evidence":"目标为“Storm Events Database”和“Search Results for Castro County, Texas”标题，以及下方 Tornado 类型和1995年6月1日至10日共七起事件的说明。首次完整出现于3.25秒，最后符合条件的帧为3.75秒。前一帧3.00秒仍是搜索表单；后一帧4.00秒页面已向下滚动，目标移出可视区域。选择3.50秒作为关键帧，文字完整清晰且无遮挡。","start_frame":78,"end_frame":96,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[324.5,322.2,658.3,462.0],"positive_points":[[331.8,334.3],[478.1,335.2],[472.4,375.0],[403.1,413.0],[388.5,451.9],[580.2,451.9]],"negative_points":[[465.6,175.9],[281.3,278.7],[222.9,329.6],[367.2,501.9]],"evidence":"目标位于页面主内容区上方，包含“Storm Events Database”、Castro County 搜索结果标题、Tornado 事件类型，以及七起事件和日期范围说明。边界框紧贴这四行文本；六个正点分布在各行文字上，四个负点分别位于 NOAA 横幅、面包屑导航、左侧栏目标题和下方 Summary Info 标题处。"}},{"name":"Search-results summary","description":"The “Summary Info:” section with a pale-blue, two-column table reporting affected areas, days with events, casualty and damage day counts, and the number of event types.","membership":"Includes the section heading and the complete summary table surface, borders, labels, and values. Excludes the results heading above and column definitions below.","id":"obj_008","temporal":{"status":"found","start_s":3.25,"end_s":4.0,"reference_s":3.5,"evidence":"目标是“Summary Info:”标题及其下方浅蓝色双列表格，列出受影响区域、事件天数、伤亡与损失天数及事件类型数量。首个完整帧为3.25秒，最后完整帧为3.75秒；此前3.00秒仍是搜索表单，之后4.00秒页面滚动使标题和表格顶部被画面上缘裁切。选择3.50秒作为关键帧，标题、表面、边框及全部标签和值均完整清晰可见。","start_frame":78,"end_frame":96,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[324.5,493.5,685.5,763],"positive_points":[[350.5,503],[419,533],[674,569],[542,639],[395,710],[675,743]],"negative_points":[[491,451],[383,801],[285,614],[744,637]],"evidence":"目标为“Summary Info:”标题及其下方浅蓝色双列表格。边界框完整覆盖标题、表面、边框、各行标签与数值；六个正点分布在标题和表格不同位置。负点位于上方结果说明、下方列定义、左侧导航及右侧外部空白，均不属于目标。"}},{"name":"Result column definitions","description":"The “Column Definitions:” text block explaining “Mag,” “Dth,” “Inj,” “PrD,” and “CrD” above the detailed results.","membership":"Includes the heading and abbreviation-definition line only. Excludes the summary table, adjacent background, and subsequent instructions and controls.","id":"obj_009","temporal":{"status":"found","start_s":3.25,"end_s":5.0,"reference_s":4.25,"evidence":"目标为“Column Definitions:”标题及下方解释 Mag、Dth、Inj、PrD、CrD 的单行文字。3.25秒首次完整出现，滚动后仍持续完整可见至最后采样帧4.75秒。前一帧3.00秒是搜索表单，尚无该文字块；区间延伸至视频末尾，无后续帧。选择4.25秒作为关键帧，文字清晰无遮挡，且与上方摘要表、下方操作说明容易区分。","start_frame":78,"end_frame":120,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[324.5,350.9,751.6,396.3],"positive_points":[[367.7,359.3],[377.6,387.0],[451.0,387.0],[513.5,387.0],[590.6,387.0],[715.6,387.0]],"negative_points":[[468.8,302.8],[463.5,437.0],[195.3,427.8],[775.0,364.8]],"evidence":"目标位于详细结果表上方，由“Column Definitions:”标题及解释 Mag、Dth、Inj、PrD、CrD 的一行文字组成。边界框紧贴这两行文字；六个正点分布在标题和各项释义的字形上，四个负点分别位于上方汇总表、下方操作说明、左侧导出文字及右侧空白，均不属于目标。"}},{"name":"Current-results data export","description":"The left-side “Data Export: (current results)” unit with a CSV spreadsheet icon and “CSV Download / Documentation” links.","membership":"Includes the export heading, CSV icon, and download and documentation links as one compact functional unit. Excludes the navigation sidebar above and the results content to its right.","id":"obj_010","temporal":{"status":"found","start_s":3.25,"end_s":5.0,"reference_s":4.0,"evidence":"目标是左侧包含“Data Export: (current results)”标题、CSV 表格图标及“CSV Download / Documentation”链接的完整单元。首次完整出现于3.25秒，最后合格帧为4.75秒；此前3.00秒仍是搜索表单，没有该单元。4.00秒滚动后该单元仍完整显示，且与上方导航及右侧结果清楚分离，故选为关键帧。目标持续至视频结束，末端没有后续采样帧。","start_frame":78,"end_frame":120,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[148.4,417.6,302.1,512.0],"positive_points":[[178.6,427.8],[244.3,428.7],[156.8,451.9],[169.3,472.2],[190.6,500.9],[258.9,500.9]],"negative_points":[[215.1,357.4],[361.5,438.0],[203.6,553.7],[318.2,511.1]],"evidence":"目标位于左侧导航栏下方，由“Data Export: (current results)”标题、CSV表格图标及“CSV Download / Documentation”链接组成。边界框紧包这整个导出单元；正点分布在标题文字、图标和两项链接上，负点位于上方导航、右侧结果说明、下方表头及单元外侧空白处。"}},{"name":"Castro County tornado results table","description":"The blue-headed results table revealed by scrolling, listing seven tornado records for Hart, Dimmitt, Sunnyside, and CASTRO CO. Columns show location, county, state, date, time, time zone, type, magnitude, deaths, injuries, and damage. Totals show zero deaths, three injuries, and 450.00K property damage.","membership":"Includes the entire table rectangle: blue header cells, pale-blue body cells, borders, linked location names, all seven records, and both totals rows. Excludes the selection and sorting controls above, explanatory text, export unit, and footer below.","id":"obj_011","temporal":{"status":"found","start_s":4.0,"end_s":5.0,"reference_s":4.0,"evidence":"目标为蓝色表头、浅蓝色单元格的完整结果表，含七条 Hart、Dimmitt、Sunnyside 和 CASTRO CO. 龙卷风记录及上下两行合计，合计为零死亡、三人受伤、450.00K 财产损失。首个完整呈现帧为4.00秒，最后合格帧为4.75秒；此前3.75秒仍显示摘要和筛选控件��表格未完整进入画面。表格持续至视频结束，边界外无后续帧。选择4.00秒作为关键帧，整表边界清晰且无遮挡。","start_frame":96,"end_frame":120,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[148.96,534.26,839.06,848.15],"positive_points":[[201,554],[754,557],[170,680],[436,741],[706,711],[761,830]],"negative_points":[[429,491],[781,493],[234,500],[489,882]],"evidence":"目标是蓝色表头、浅蓝色表体的 Castro County 龙卷风结果表，包含七条记录及上下两行合计。边界框覆盖完整表格及边框；六个正点分布在表头、记录单元格和底部合计行，四个负点位于表格外的筛选框、排序框、导出链接和页脚。"}}]}
+{"video_id":45,"video_type":"desktop and application interfaces","targets":[{"name":"Repository title","description":"The GitHub repository heading “time-tracking,” initially shown above the file listing with a “Public” badge.","membership":"Include the repository name and its adjacent visibility badge. Exclude the avatar, repository navigation, and watch, fork, and star controls.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0,"evidence":"目标为文件列表上方的“time-tracking”仓库标题及紧邻的“Public”徽章，不含左侧头像和右侧操作按钮。首个合格帧为0秒，最后合格帧为1.50秒；1.75秒页面向下滚动，标题及徽章已移出可见区域。区间从视频起点开始，无更早采样帧。选择0秒为关键帧，目标完整清晰且无遮挡。","start_frame":0,"end_frame":42,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[214.6,230.6,301.6,252],"positive_points":[[216.7,239.8],[231.3,243.5],[243.8,241.7],[269.8,245.4],[284.4,240.7],[294.3,241.7]],"negative_points":[[205.7,240.7],[115.1,154.6],[621.9,239.8],[329.2,242.6]],"evidence":"目标是文件列表上方的“time-tracking”仓库标题及紧邻的“Public”徽章。边界框覆盖名称和可见性徽章，正点分布在名称字形及徽章文字上；负点位于左侧头像、顶部仓库导航、Watch 控件和右侧外部空白，均不属于目标。"}},{"name":"Repository file listing","description":"The bordered GitHub source listing containing folders such as “assets,” “docs,” and “src-tauri,” followed by files including “README.md” and “README.zh-CN.md.” It scrolls upward as the README comes into view.","membership":"Include the table boundary, latest-commit header, and all visible file and folder rows with their icons, commit messages, and timestamps. Exclude the branch selector, file toolbar, sidebar, and README below it.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0,"evidence":"目标是含 assets、docs、src-tauri 等目录及 README 文件的 GitHub 文件表格，包括边框、最新提交栏和可见行，不含上方工具栏及右侧栏。首个合格帧为 0 秒，表格已建立，底部为页面视口的常规裁切；最后合格帧为 1.50 秒。紧邻的 1.75 秒帧中，表格向上滚动，顶部边界及最新提交栏已被视口裁去，开始离场，因此结束于 1.75 秒。视频起点之前无采样帧。选择 0 秒作为关键帧，表格顶部结构、目录行与文件行清晰可辨。","start_frame":0,"end_frame":42,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[199.5,329.6,641.1,978.7],"positive_points":[[290,353],[239,429],[417,535],[611,607],[245,783],[441,925]],"negative_points":[[224,302],[613,302],[707,411],[163,653]],"evidence":"目标是页面中央带边框的仓库文件列表，可由 assets、docs、src-tauri 和 README 文件行确认。框覆盖最新提交标题栏、全部可见文件夹与文件行，底部截至画面可见区域。正点分布在标题栏、文件名、提交信息和时间列；负点位于上方分支选择器、Code 工具按钮、右侧栏及左侧外部空白，不包含这些区域。"}},{"name":"Repository About block","description":"The right-hand “About” section describes a Windows desktop time-tracking app built with Tauri and React and shows repository information links and counts.","membership":"Include the section heading, description, information links, and repository counts within this compact sidebar section. Exclude the releases section below and the surrounding page background.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0.75,"evidence":"目标是页面右侧的 About 区块，包含标题、Windows 桌面时间追踪应用描述、Readme/MIT license/Activity 链接及 stars、watching、forks 数量，不含下方 Releases。首个合格帧为 0 秒，最后为 1.5 秒；视频起点前无采样帧。1.75 秒页面向下滚动，区块标题和描述已被上边界裁去，不再完整。选择 0.75 秒作为关键帧，此时区块完整清晰且无遮挡。","start_frame":0,"end_frame":42,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[659.5,291,794,522],"positive_points":[[668.8,300],[707.3,333.3],[755.2,355.6],[684.9,388],[684.4,463],[682.3,513.9]],"negative_points":[[673,562],[605,464],[821,415],[615,302]],"evidence":"目标是右侧的 About 仓库简介区。边界框覆盖标题、设置图标、两行应用描述、信息链接及 stars、watching、forks 计数；不含下方 Releases。正点分布在标题、描述、Readme 和计数内容上，负点位于 Releases、左侧文件列表、Code 按钮及右侧外部空白。"}},{"name":"Release summary","description":"The right-sidebar “Releases” section shows “Time Tracker v1.0.0” with a “Latest” badge and a link to additional releases.","membership":"Include the release heading and count, release entry, badge, relative publication time, and additional-releases link. Exclude the About and Contributors sections.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0,"evidence":"目标是右侧栏的 Releases 区块，包含标题及数量 34、Time Tracker v1.0.0、Latest 徽章、发布时间和“+ 33 releases”链接，不包含 About 或 Contributors。首个合格帧为 0.00 秒，最后为 2.00 秒；2.25 秒页面继续向下滚动，该区块已离开可见区域，不再完整呈现。区间始于视频开头，没有更早帧。选择 0.00 秒作关键帧，区块完整清晰且无遮挡。","start_frame":0,"end_frame":54,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[659.9,554.6,757.8,650],"positive_points":[[674.5,561.1],[699.5,562.9],[696.4,594.4],[744.8,594.4],[689.6,612],[682.3,643.5]],"negative_points":[[697,352],[680.7,513],[687.5,690.7],[782.3,606.5]],"evidence":"根据右侧栏的“Releases 34”、版本“Time Tracker v1.0.0”和“Latest”徽章定位。边界框覆盖标题与数量、版本条目、徽章、发布时间及“+ 33 releases”链接。正点分布在这些内容上；负点位于上方 About 内容、下方 Contributors 标题及右侧外部空白，排除相邻区域。"}},{"name":"Repository language chart","description":"The “Languages” section in the right sidebar contains a segmented horizontal bar and a legend for TypeScript, Rust, and CSS.","membership":"Include the heading, complete segmented bar, and language labels with their percentages and color markers. Exclude neighboring sidebar sections and overlaid subtitles.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":2.5,"evidence":"目标是仓库右侧栏的“Languages”区域，包含完整分段横条，以及 TypeScript、Rust、CSS 的色标、名称和百分比。首个合格帧为0.00秒，结构已完整建立，部分内容被字幕暂时遮挡；视频起点前无采样帧。最后合格帧为4.75秒，紧邻的5.00秒已切换至中文README文件页，语言图表消失。选择2.50秒作为关键帧，此时标题、横条和全部图例清晰可见且无遮挡。","start_frame":0,"end_frame":120,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[660,297,794,374],"positive_points":[[676.5,304.5],[709,330],[789,330],[689,349],[751,349],[684,367.5]],"negative_points":[[697,243],[722,405],[645,332],[817,347]],"evidence":"目标位于右侧栏的“Languages”区域。框包含标题、完整三色分段横条，以及 TypeScript、Rust、CSS 的标记、名称和百分比。正点分布在标题、色条和三项图例上；负点位于上方贡献者区域及目标左、右、下方的外部背景，未包含字幕。"}},{"name":"Narration subtitles","description":"Large black subtitles across the lower center introduce the time-tracking software, briefly display “Time Tracker,” and explain its local-first Windows operation, automatic recording, statistics, and background execution.","membership":"Include only the changing subtitle glyphs in this overlay block. Exclude the webpage text, screenshots, charts, and any background visible between or behind the glyphs.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":4,"reference_s":3,"evidence":"目标是画面下方中央的大号黑色字幕，与网页正文独立。首个合格帧为0秒，显示“我干脆自己做了一个时间追踪软件”，随后变为“Time Tracker”；最后合格帧为3.75秒。紧邻的4秒帧中字幕消失，仅剩网页内容，因此结束于4秒。起点已是视频开头，无更早帧。选择3秒作为关键帧，字幕完整清晰，易与网页中的同名标题区分。","start_frame":0,"end_frame":96,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[406.3,843.5,587.5,885.2],"positive_points":[[415.6,869.4],[438.0,875.0],[467.2,870.4],[491.1,866.7],[548.4,863.9],[579.2,866.7]],"negative_points":[[258.0,632.4],[285.4,847.2],[260.4,890.7],[661.5,870.4]],"evidence":"目标是画面下方中央叠加的大号黑色字幕“Time Tracker”，区别于网页内较小的同名标题。边界框紧贴整段字幕；六个正点分布在两个单词的字形笔画上，负点位于网页标题、正文、章节标题及右侧外部空白处。"}},{"name":"README Time Tracker heading","description":"The document heading “Time Tracker” first appears in the embedded English README. Its text is selected briefly before the Chinese README is opened with the same heading.","membership":"Include only the heading text throughout its movement and selection changes. Exclude the anchor icon, selection highlight, language links, horizontal rule, and document background.","id":"obj_007","temporal":{"status":"found","start_s":1.75,"end_s":8.75,"reference_s":7.0,"evidence":"目标是 README 正文中的“Time Tracker”标题，不含大号视频字幕、锚点图标及选择高亮。首次合格帧为 1.75 秒，1.50 秒尚未显示该标题；随后标题随滚动移动、短暂被选中，并在切换后的中文 README 中继续出现。最后合格帧为 8.50 秒，8.75 秒标题已随页面上滚离开可视区域。选择 7.00 秒作为关键帧，标题完整清晰，无选择高亮或字幕遮挡。","start_frame":42,"end_frame":210,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[248.96,397.22,339.06,420.37],"positive_points":[[254.17,399.07],[268.23,407.41],[281.77,415.74],[293.23,404.63],[317.71,412.04],[336.98,402.78]],"negative_points":[[261.46,458.33],[468.75,433.33],[229.17,407.41],[272.4,625.93]],"evidence":"目标是中文 README 正文顶部的“Time Tracker”标题。边界框仅包围标题文字；六个正点分布在两个单词的字母笔画上，四个负点分别位于下方语言链接、水平分隔线、左侧空白和“产品定位”标题，均排除在目标之外。"}},{"name":"README introduction","description":"The introductory README text describes Time Tracker as a local-first Windows application that records foreground-app activity and organizes it into overviews, history, analytics, and manageable apps. It also states the personal-use goal and names Rust, Tauri v2, React, and TypeScript; the presentation changes from English to Chinese.","membership":"Include the introductory prose paragraphs and technology statement as one compact text block. Exclude the title, language-switching links, product-positioning section, and subtitle overlay.","id":"obj_008","temporal":{"status":"found","start_s":2.25,"end_s":9.5,"reference_s":7.0,"evidence":"目标是 README 标题和语言链接下方、产品定位上方的简介段落及技术栈说明，期间由英文切换为中文。首个完整呈现帧为 2.25 秒，部分文字被字幕暂时遮挡；此前 2.00 秒简介下部仍被画面底边裁切。最后合格帧为 9.25 秒，随后 9.50 秒简介上部已随滚动离开可视区域。选择 7.00 秒作为关键帧，中文简介与技术栈文字完整清晰，且无字幕遮挡。","start_frame":54,"end_frame":228,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[249,485,738,593],"positive_points":[[262.5,493.5],[655.2,493.5],[340.6,513.9],[353.6,550],[564.1,550],[392.2,584.3]],"negative_points":[[293.2,407.4],[260,458.3],[272,626.9],[791.7,564.8]],"evidence":"目标为标题和语言链接下方的中文 README 简介。边界框涵盖应用功能介绍、个人使用目标及 Rust、Tauri v2、React、TypeScript 技术声明。六个正点分布在这些段落的文字笔画上；负点位于标题、语言链接、产品定位标题和右侧外部空白，均不属于简介。"}},{"name":"Product positioning text","description":"The README section headed “Product Positioning,” subsequently “产品定位,” explains intended use through a short lead-in and a bulleted list covering Windows work, automatic recording, history, local data, and privacy preferences.","membership":"Include the section heading, lead-in, and associated bullet-list text. Exclude the preceding introduction, adjacent anchor icon, section rules, and interface-preview content below.","id":"obj_009","temporal":{"status":"found","start_s":5.0,"end_s":9.75,"reference_s":7.0,"evidence":"目标为 README 中“产品定位”标题、引导句及六条用途说明，排除上方介绍和下方界面预览。首个完整呈现帧为 5.00 秒，最后完整帧为 9.50 秒；此前 4.75 秒的英文对应段落仅露出标题、引导句及部分列表，尚不完整，随后 9.75 秒标题已向上滚出可见内容区。选择 7.00 秒作为关键帧，整段文字清晰完整，且无字幕遮挡。","start_frame":120,"end_frame":234,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[249,616.7,476.6,834.3],"positive_points":[[260,629],[312,672],[301,706],[357,754],[355,803],[385.5,827.8]],"negative_points":[[345,583],[272,872],[523,733],[221,741]],"evidence":"目标为“产品定位”章节，框覆盖标题、简短引导语及六条用途说明，未包含分隔线、上方介绍或下方界面预览。正点分布在标题、引导语和多条列表文字上；负点位于上方介绍、下方“界面预览”标题及章节左右的外部空白。"}},{"name":"Interface preview heading","description":"The Chinese README heading “界面预览” introduces the grid of application screenshots.","membership":"Include only the heading text. Exclude its anchor icon, divider line, screenshot table, and subtitle overlay.","id":"obj_010","temporal":{"status":"found","start_s":5.0,"end_s":11.25,"reference_s":9.5,"evidence":"目标为中文 README 中截图表格上方的“界面预览”标题，仅指标题文字。首个符合帧为 5.00 秒，标题已建立，虽被字幕部分遮挡；前一帧 4.75 秒仍是英文 README，未显示该标题。最后符合帧为 11.00 秒；下一帧 11.25 秒标题已随滚动移出可见内容区。选择 9.50 秒作为关键帧，标题完整清晰，且未被字幕遮挡。","start_frame":120,"end_frame":270,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[249.5,513.9,296.4,534.3],"positive_points":[[252.6,516.7],[257.8,527.8],[264.1,516.7],[269.8,527.8],[277.6,523.1],[290.6,531.5]],"negative_points":[[241.1,523.1],[338.5,543.5],[263.5,586.1],[322.9,861.1]],"evidence":"在截图表格上方找到“界面预览”标题，框仅覆盖这四个汉字。六个正点分布在标题字形笔画上；负点分别位于左侧锚点图标、下方分隔线、截图表格文字和底部字幕叠层，均不属于标题。"}},{"name":"Today dashboard screenshot","description":"The upper-left screenshot in the interface-preview grid, labeled “今天,” shows the Time Tracker dashboard with a multicolored donut chart, a blue hourly bar chart, and an application ranking list.","membership":"Include the complete embedded screenshot, including its application frame, sidebar, dashboard panels, charts, and list contents. Exclude the external “今天” label, table-cell boundary, caption below, and overlaid subtitles.","id":"obj_011","temporal":{"status":"found","start_s":8.75,"end_s":17.0,"reference_s":15.0,"evidence":"目标是界面预览网格左上方的 Today 仪表盘截图，内含多色圆环图、蓝色小时柱状图和应用排行。8.75 秒首次完整显示截图自身的应用边框及内容；前一帧 8.50 秒仅露出顶部，底部仍被画面边界裁切。最后合格帧为 16.75 秒，截图仍完整存在，区间延至视频结束 17.00 秒，无后续帧。选择 15.00 秒作为关键帧，因为截图清楚完整且无字幕遮挡；不计外部“今天”标签、表格边界及下方说明。","start_frame":210,"end_frame":408,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[255.2,249.1,490.6,527.8],"positive_points":[[270.8,313],[312,361.1],[339.1,462],[426.6,352.8],[419.3,469.4],[372.9,257.4]],"negative_points":[[263,239],[364.6,545.4],[572.9,370.4],[338.5,719.4]],"evidence":"目标是预览网格左上角的今日仪表盘截图，可由彩色圆环图、蓝色小时柱状图及应用排行识别。边界框覆盖完整截图及其应用框架，不含外部“今天”标题、单元格边界和下方说明。正点分布在顶部框架、侧栏、图表和排行列表；负点位于外部标题、说明文字及右侧和下方的其他截图。"}},{"name":"History dashboard screenshot","description":"The upper-right preview screenshot, labeled “历史,” shows an activity bar chart, application ranking, and a vertical list of historical activity segments.","membership":"Include the complete embedded screenshot with its application frame, navigation sidebar, charts, and history entries. Exclude the external “历史” label, table-cell boundary, caption, and subtitle overlay.","id":"obj_012","temporal":{"status":"found","start_s":8.75,"end_s":17.0,"reference_s":15.0,"evidence":"目标是“界面预览”中右上方“历史”标签下的嵌入截图，包含应用边框、左侧导航、活动柱状图、应用排行和历史活动列表。8.75秒首次完整进入画面；前一帧8.50秒仅露出截图顶部，其余被画面下边界裁切。此后持续可见，最后合格帧为16.75秒，区间延续至视频结束17.00秒，无后续帧。选择15.00秒作为关键帧，截图完整清晰且无字幕遮挡；不包含外部标签、表格边框和说明文字。","start_frame":210,"end_frame":408,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[502.6,248.1,737.5,527.8],"positive_points":[[517.9,330.6],[585.9,351.9],[568.8,441.7],[625,288.9],[677.1,397.2],[684.9,477.8]],"negative_points":[[509.9,238.9],[604.2,546.3],[416.7,370.4],[625,740.7]],"evidence":"目标是右上方“历史”标题下的仪表盘截图，可见活动柱状图、应用排行和历史活动列表。框覆盖完整应用截图及其边框、侧栏和内容，不含外部标题、表格边界或下方说明。正点分布在侧栏、页头、图表、排行及历史条目；负点位于外部标题、说明文字、左侧截图和下方截图。"}},{"name":"Today preview caption","description":"Text beneath the left dashboard screenshot reads “快速查看今日有效活动、应用排行、分类分布、小时级活动节奏，以及当前追踪状态。”","membership":"Include only the caption text beneath the Today screenshot, including its wrapped lines. Exclude the screenshot, cell background, grid lines, and following “数据” label.","id":"obj_013","temporal":{"status":"found","start_s":9.5,"end_s":17.0,"reference_s":15.0,"evidence":"目标为左侧“今天”仪表盘截图下方的两行说明文字，内容与指定 caption 一致，不含下方“数据”标签。9.50 秒首次完整进入画面；前一帧 9.25 秒文字仍被画面底边裁切。此后持续可见，最后合格帧为 16.75 秒，区间延续至视频结束 17.00 秒，无后续帧。选择 15.00 秒作为关键帧，文字完整清晰且没有字幕遮挡。","start_frame":228,"end_frame":408,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[255.7,535.2,478.6,569.4],"positive_points":[[259.9,541.7],[312.5,542.6],[358.3,542.6],[414.6,541.7],[268.8,563.0],[307.3,563.0]],"negative_points":[[354.2,509.3],[263.0,594.4],[520.8,542.6],[234.4,557.4]],"evidence":"目标位于左上“今天”截图下方，为以“快速查看今日有效活动”开头的两行说明文字。边界框仅覆盖完整两行字幕；正点分布在两行文字笔画上，负点位于上方截图、下方“数据”标签、右侧字幕及左侧空白处。"}},{"name":"History preview caption","description":"Text beneath the right dashboard screenshot explains reviewing historical timelines, merged application activity segments, and window-title details for the same application.","membership":"Include only the caption’s wrapped text beneath the History screenshot. Exclude the screenshot, table background and borders, and following “应用” label.","id":"obj_014","temporal":{"status":"found","start_s":9.5,"end_s":17.0,"reference_s":15.0,"evidence":"目标为右侧“历史”截图下方的两行说明文字，内容涉及历史时间线、合并的应用活动片段及同一应用的窗口标题明细，不含截图和后续“应用”标签。9.50秒首次完整进入画面，9.25秒文字仍被画面底边裁切；此后持续存在至最后采样帧16.75秒，视频结束后无相邻帧。选择15.00秒作为关键帧，文字清楚且无大字幕遮挡。","start_frame":228,"end_frame":408,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[502.6,535.2,729.7,570.4],"positive_points":[[506.8,542.6],[554.2,542.6],[610.9,542.6],[716.1,542.6],[513.5,562.6],[570.3,562.6]],"negative_points":[[599,502.8],[509.9,594.4],[416.7,542.6],[755.2,559.3]],"evidence":"目标为右上“历史”截图下方的两行说明文字，内容涉及历史时间线、合并后的应用活动片段及窗口标题明细。框仅覆盖完整换行文案；正点分布于两行文字笔画，负点位于上方截图、下方“应用”标签、左侧说明及右侧外部空白。"}},{"name":"Data analytics screenshot","description":"The lower-left screenshot in the preview grid, labeled “数据,” shows a blue activity-trend line with shaded area and a calendar-style activity heatmap.","membership":"Include the complete embedded screenshot, including its application frame, sidebar, analytics panels, line chart, and heatmap. Exclude the external “数据” label, table boundaries, descriptive caption, and subtitle overlay.","id":"obj_015","temporal":{"status":"found","start_s":10.75,"end_s":17.0,"reference_s":15.0,"evidence":"目标是预览网格左下方“数据”标签下的应用截图，包含侧栏、蓝色面积折线图和日历热力图。10.75秒首次完整进入画面；此前10.50秒截图底部仍被画面边缘裁切。最后一个采样帧16.75秒仍完整可见，因此区间延续至视频结束17.0秒，之后无采样帧。选择15.0秒作为关键帧，此时截图完整清晰且没有字幕遮挡；外部标签、表格边界和说明文字不属于目标。","start_frame":258,"end_frame":408,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[255.2,604.6,490.6,884.3],"positive_points":[[270.8,706.5],[353.6,650],[332.3,708.3],[411.5,735.2],[465.1,831.5],[483.3,866.7]],"negative_points":[[263.5,594.4],[350,900],[553.6,727.8],[338.5,454.6]],"evidence":"目标为预览网格左下方“数据”标签下的分析截图，含蓝色趋势折线、填充区域和日历热力图。框覆盖完整应用截图及其边框、侧栏和面板，不含外部标签、表格边界及下方说明。正点分布在侧栏、标题面板、趋势图、热力图和截图底部；负点位于外部标签、说明文字及相邻截图。"}},{"name":"Application management screenshot","description":"The lower-right preview screenshot, labeled “应用,” shows a management list with application icons, names, category and color controls, and per-application settings.","membership":"Include the complete embedded screenshot with its application frame, sidebar, toolbar, and visible application-management rows. Exclude the external “应用” label, table borders, caption beneath it, and overlaid subtitles.","id":"obj_016","temporal":{"status":"found","start_s":10.75,"end_s":17.0,"reference_s":15.0,"evidence":"目标是预览表格右下方“应用”标签下的应用管理截图，含窗口框架、侧栏、工具栏和应用列表。10.50秒时截图下部仍被画面底边裁切，10.75秒首次完整进入画面；���后持续可见，最后合格帧为16.75秒，区间延伸至视频结束17.0秒，无后续帧。选择15.0秒作为关键帧，此时截图完整且无字幕遮挡，便于排除外部标签、表格边框及下方说明。","start_frame":258,"end_frame":408,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[502.6,604.6,737.5,884.3],"positive_points":[[518.1,725.0],[546.9,649.1],[561.5,729.6],[667.2,773.1],[567.7,820.4],[712.5,613.0]],"negative_points":[[509.9,594.4],[624.0,906.5],[425.5,746.3],[772.4,740.7]],"evidence":"目标是右下方“应用”标题下的应用管理截图，可见应用列表、分类与颜色控件。边框覆盖完整嵌入截图的窗口框架、侧栏、工具栏和列表，不包含外部标题、表格边线及下方说明。正点分布在窗口顶部、侧栏、工具栏和不同应用行；负点位于外部标题、下方说明、左侧数据截图及右侧空白。"}},{"name":"Data analytics preview caption","description":"The text beneath the analytics screenshot describes activity trends over seven days, thirty days, and the past year, a long-term heatmap, and per-application usage curves.","membership":"Include only this caption’s text and wrapped continuation. Exclude the screenshot, table-cell surface, borders, and the next row’s “设置” heading.","id":"obj_017","temporal":{"status":"found","start_s":11.25,"end_s":16.75,"reference_s":15.0,"evidence":"目标是“数据”分析截图下方以“观察近7天、近30天和近一年的活动趋势”开头、续行“查看使用曲线。”结尾的说明文字，不含“设置”标题。首个完整呈现帧为11.25秒，最后合格帧为16.50秒；前一帧11.00秒该说明尚未完整进入画面，后一帧16.75秒因页面向上滚动而移出画面下边界。选择15.00秒作为关键帧，说明文字及续行清楚可见，且没有大字幕遮挡。","start_frame":270,"end_frame":402,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[255.7,891.7,488.1,926.9],"positive_points":[[260,898.1],[333.9,898.1],[402.1,898.1],[477.1,898.1],[266.1,918.5],[293.2,918.5]],"negative_points":[[359.4,851.9],[264.1,951.9],[541.7,900.9],[234.4,911.1]],"evidence":"目标是“数据”分析截图下方以“观察近7天、近30天和近一年的活动趋势”开头的两行说明。边界框仅覆盖该说明及换行后的“查看使用曲线。”；正点分布在两行文字上，负点位于上方截图、右侧应用说明、左侧外部背景及下方“设置”标题，均排除在目标之外。"}},{"name":"Application management preview caption","description":"The caption beneath the application-management screenshot describes renaming apps, adjusting categories and colors, excluding statistics, disabling title recording, and deleting an app’s historical sessions.","membership":"Include only this caption’s wrapped text. Exclude the screenshot, table background and borders, and the next row’s “关于” heading.","id":"obj_018","temporal":{"status":"found","start_s":11.25,"end_s":16.75,"reference_s":15.0,"evidence":"目标是“应用”管理截图下方的两行说明，内容包括重命名应用、调整分类和颜色、排除统计、关闭标题记录及删除历史会话。首个完整呈现帧为11.25秒，最后合格帧为16.50秒；前一帧11.00秒该说明尚在画面下方，后一帧16.75秒随页面滚动被底部边界裁切。选择15.00秒为关键帧，此时说明完整清晰且无字幕遮挡，可与截图及下一行“关于”标题区分。","start_frame":270,"end_frame":402,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[502.6,891.7,730.2,926.9],"positive_points":[[506.3,898.1],[561.3,898.1],[622.4,898.1],[708.9,898.1],[517.5,919.4],[571.4,919.4]],"negative_points":[[620.3,845.4],[510.4,951.9],[400,900],[765.6,912]],"evidence":"目标是右侧应用管理截图下方的两行说明，以“重命名应用”开头，以“指定应用的历史会话。”结尾。框仅覆盖这段换行文字；六个正点分布在两行字形上，负点位于上方截图、下方“关于”标题、左侧其他说明及表格外背景。"}}]}
+{"video_id":46,"video_type":"desktop and application interfaces","targets":[{"name":"Delta-function identity explanation","description":"The Chinese text at the top of the initial document view gives the identity for δ(f(x)) as a sum over roots and introduces the density of states at the Fermi surface. It becomes cropped as the page moves upward.","membership":"Includes the visible introductory sentence and its inline delta-function identity. Excludes the boxed equation beneath it, page background, and application controls.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0,"evidence":"目标是文档顶部以“这里利用了δ函数的性质”开头、含δ(f(x))按根求和的行内恒等式并引出费米面态密度的中文句子，不含下方框内公式。首个合格帧为0.00秒，最后为1.00秒；1.25秒时页面上移，该句被顶部工具栏裁切���区间始于视频开头，无更早采样帧。选择0.00秒为关键帧，句子与行内公式清楚可辨。","start_frame":0,"end_frame":30,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[160.4,239.8,738,279.6],"positive_points":[[167.7,255.6],[260.4,254.6],[335.9,256.5],[418.2,268.5],[542.2,254.6],[689.1,254.6]],"negative_points":[[493.8,336.1],[248.9,422.2],[541.7,167.6],[772.4,268.5]],"evidence":"目标是文档顶部以“这里利用了δ函数的性质”开头、以“态密度是”结尾的说明句，包含行内δ函数求根恒等式。框覆盖其当前可见文字及公式，上沿紧邻工具栏。六个正点分布在中文和公式笔画上；负点位于下方框内方程、后续正文、上方工具栏及右侧页背景。"}},{"name":"Boxed Fermi-surface density of states","description":"A thin rectangular box initially near the upper center contains the calculation of N(0), ending in mk_F/(2π²). It moves upward and eventually leaves the visible document area.","membership":"Includes the rectangular border, its enclosed surface, and the complete equation inside. Excludes the surrounding explanatory text and the equation number printed separately to the right.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0,"evidence":"目标为上方中央的细矩形框及框内以 mk_F/(2π²) 结尾的 N(0) 方程，不含右侧编号。首个合格帧为0秒，最后合格帧为1.50秒，框线和完整方程均可见；紧邻的1.75秒帧中，框体上移，上边框已被工具栏遮挡而裁切，故结束本次连续完整出现。视频起点之前无采样帧。选择0秒作为关键帧，因为目标完整清晰、无遮挡。","start_frame":0,"end_frame":42,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[391.1,300.9,596.4,386.1],"positive_points":[[405.7,340.7],[464.1,325],[506.8,350.9],[570.3,341.7],[425.5,374.1],[592.7,309.3]],"negative_points":[[612,255.6],[798,343.5],[299.5,419.4],[369.8,334.3]],"evidence":"目标位于文档上部中央，细矩形框内为以 N(0) 开头、以 mk_F/(2π²) 结尾的公式。边界框覆盖完整矩形边框、内部表面及公式；正点分布在框内公式和表面上，负点位于框外背景、上下说明文字及右侧独立公式编号处。"}},{"name":"Spin-degeneracy statement","description":"The short Chinese sentence below the boxed density-of-states equation states that including spin degeneracy gives 2N(0).","membership":"Includes the complete sentence and its inline expression 2N(0), following its movement and cropping. Excludes the boxed formula above and the zero-temperature paragraph below.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0.5,"evidence":"目标是方框态密度公式下方的完整句子“当我们考虑自旋简并则是2N(0).”。首个合格帧为0秒，最后合格帧为1.50秒；紧接的1.75秒帧中，页面放大使句首被左侧视区边界裁切，因此结束此段完整呈现。视频起点前无采样帧。选择0.50秒作为关键帧，整句清晰完整，与上下公式及段落容易区分。","start_frame":0,"end_frame":42,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[160.4,407.4,365.1,435.2],"positive_points":[[166.1,418.5],[197.4,421.3],[227.6,416.7],[256.8,419.4],[300.5,418.5],[331.8,416.7]],"negative_points":[[488.0,339.8],[234.9,461.1],[141.1,421.3],[395.3,419.4]],"evidence":"目标是框内态密度公式下方的“当我们考虑自旋简并则是2N(0).”。边界框覆盖整句及行内表达式；正点分布在汉字和公式字符上，负点位于上方框内公式、下方零温段落及句子左右的外部空白。"}},{"name":"Zero-temperature occupation and momentum measure","description":"A Chinese paragraph beginning with “首先,零温时” gives f_F(ε_k)=θ(−ε_k)=θ(k_F−k) and rewrites the three-dimensional momentum integral in spherical coordinates. Its final “有” wraps onto a separate line.","membership":"Includes the paragraph, both inline mathematical expressions, and its wrapped continuation. Excludes the separate susceptibility equation below and the document background.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0.5,"evidence":"以“首先,零温时”开头的段落包含费米占据函数、球坐标动量积分测度及另起一行的“有”，与下方独立的 susceptibility 公式区分。首个合格帧为0.00秒，最后为1.50秒；紧邻的1.75秒帧因放大使续行“有”被左侧视口边界裁切，故结束本次完整呈现。视频起点前无采样帧。选择0.50秒作关键帧，段落及续行完整清晰，无遮挡。","start_frame":0,"end_frame":42,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[160.4,442.6,826.6,514.8],"positive_points":[[198.4,460.2],[333.9,461.1],[505.2,460.2],[667.7,463.0],[784.4,462.0],[167.2,502.8]],"negative_points":[[258.3,420.4],[389.6,574.1],[136.5,479.6],[853.1,466.7]],"evidence":"目标为以“首先,零温时”开头的��落，包含零温占据函数、球坐标动量积分及下一行单独的“有”。框覆盖完整两行内容；六个正点分布于中文、两段行内公式和“有”字，负点位于上方自旋简并段落、下方独立响应函数公式及左右外部背景。"}},{"name":"Susceptibility before angular integration","description":"The central displayed equation for χ₀(q,z) contains a radial integral from zero to k_F, an angular integral from −1 to 1, and a bracketed pair of rational terms. The angular differential is selected near the end of the sequence.","membership":"Includes the complete displayed equation, from χ₀(q,z) through the closing square bracket, including all limits, differentials, and fractions. Excludes the transient blue selection highlight, cursor, and neighboring text.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":2.75,"evidence":"目标为角积分前的χ₀(q,z)完整公式，含0至k_F的径向积分、−1至1的角积分及方括号内两个分式。首个合格帧为0.00秒，最后为4.75秒；期间缩放和滚动均未裁切该公式，末尾蓝色选择高亮及光标不属于目标。区间覆盖视频全长，两端均无额外采样帧。选择2.75秒作为关键帧，公式完整清晰、无遮挡，易与下方积分后的公式区分。","start_frame":0,"end_frame":120,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[203.6,366.7,724.5,451.9],"positive_points":[[209,412],[358,407],[436,408],[529,389],[643,423],[722,422]],"negative_points":[[160,409],[427,289],[193,486],[370,564]],"evidence":"目标是页面中部角积分前的 χ₀(q,z) 公式，含 0 到 k_F 的径向积分、−1 到 1 的角积分及方括号内两项分式。框覆盖从 χ₀ 到右方括号的完整公式及上下限。六个正点分布在左端符号、径向项、角微分、分式和右括号上；负点位于左侧空白、上方正文、下方说明及下一组公式，均不包含在目标中。"}},{"name":"Angular-integration introduction","description":"The short standalone line “对cosθ积分可得” separates the original susceptibility integral from its logarithmic evaluation.","membership":"Includes only this explanatory text line and its mathematical symbols. Excludes the equations above and below and the page surface.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0,"evidence":"目标是上下两组公式之间独立的“对cosθ积分可得”一行，不含公式。首次合格帧为0.00秒，末次为1.50秒；1.75秒页面放大、横移后，该行左端被阅读区域边缘裁切，因此结束这段连续完整呈现。起点已是视频开头，没有更早采样帧。选择0.00秒作为关键帧，文字完整清晰且无遮挡。","start_frame":0,"end_frame":42,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[160.4,634.3,263.5,660.2],"positive_points":[[165.1,645.4],[180.2,650.9],[200.5,645.4],[213.0,649.1],[242.2,638.9],[257.8,650.0]],"negative_points":[[260.4,574.1],[234.4,719.4],[145.8,648.1],[286.5,648.1]],"evidence":"已定位独立说明行“对cosθ积分可得”，位于原始积分式与下方对数结果之间。边界框仅覆盖该行文字及数学符号；六个正点分布于字形和符号笔画，负点位于上下方公式及左右外部页纸区域。"}},{"name":"Logarithmic susceptibility derivation","description":"A two-line aligned calculation below the angular-integration introduction expresses χ₀(q,z) using two logarithms, then factors out m/q and changes k²dk to kdk.","membership":"Includes both aligned equation lines as one calculation, with their prefactors, integration limits, logarithmic fractions, and enclosing brackets. Excludes the introductory text above, the explanatory paragraph below, and interaction indicators.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":1.5,"evidence":"目标是“对cosθ积分可得”下方的两行χ₀(q,z)推导：第一行含两个对数，第二行提出m/q并将k²dk变为kdk。首个合格帧为0.00秒，最后为1.50秒，两行均完整可见；紧接的1.75秒帧因放大导致第二行底部被文档视口裁切，故结束该次连续完整呈现。起点已到视频开头，没有更早帧。选择1.50秒作为关键帧，公式较大、结构完整且无遮挡。","start_frame":0,"end_frame":42,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[185.4,686.1,772.4,868.5],"positive_points":[[193.2,732.4],[437.5,731.5],[756.3,715.7],[329.2,840.7],[419.3,822.2],[725.5,846.3]],"negative_points":[[180.2,655.6],[375.5,575.9],[268.8,904.6],[839.1,791.7]],"evidence":"目标是“对cosθ积分可得”下方的两行对齐公式：首行含两个对数，次行提出m/q并将积分写为kdk。边界框覆盖两行全部公式、积分限及括号。正点分布在两行的符号、对数和括号上；负点位于上方引导文字、更上方公式、下方说明文字及右侧外部空白，未包含交互指示符。"}},{"name":"Complex logarithm and rescaled-variable explanation","description":"The Chinese paragraph beneath the logarithmic derivation explains that z can be complex, so the logarithm is not written with absolute-value signs, and introduces k̃=k/k_F, q̃=q/(2k_F), and z̃=z/(4E_F). More of the paragraph becomes visible during scrolling.","membership":"Includes the entire visible paragraph, its inline expressions, and its wrapped continuation ending with “则有”. Excludes the derivation above and the displayed rescaled equation below.","id":"obj_008","temporal":{"status":"found","start_s":2.75,"end_s":5.0,"reference_s":3.5,"evidence":"目标为对数推导下方以“注意由于z可取复数”开头的中文段落，包含不加绝对值符号的说明、三个重标度变量定义及以“则有”结尾的换行。首个完整呈现帧为2.75秒；此前2.50秒该段落仍被页面视区下缘裁切。此后持续完整可见，最后合格帧为4.75秒，故区间结束于5.0秒；视频末尾之后无采样帧。选择3.50秒作为关键帧，段落完整清晰，且与上下方公式易于区分。","start_frame":66,"end_frame":120,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[126.6,722.2,837.5,801],"positive_points":[[132.3,738.9],[237.5,738.9],[504.2,738.9],[756.3,742.6],[152.1,783.3],[200.5,782.4]],"negative_points":[[520.8,657.4],[520.8,862],[921.9,754.6],[84.9,767.6]],"evidence":"目标是推导下方以“注意由于z可取复数”开头的两行说明文字。框覆盖整段文字、行内重标度变量定义及换行后的“z/(4E_F)，则有”。正点分布于两行文字和公式字符上；负点位于上方推导、下方显示公式及段落左右外部背景，均不落在段内空隙。"}},{"name":"Dimensionless susceptibility integral","description":"A displayed χ₀(q,z) equation revealed at the bottom of the document rewrites the integral with rescaled variables, integration limits zero and one, and a prefactor containing mk_F/(2q̃).","membership":"Includes the visible portion of this displayed equation, including the prefactor, integral, and paired logarithmic terms, up to the document viewport's cropping edge. Excludes the explanatory paragraph above, scrollbar, and bottom application toolbar.","id":"obj_009","temporal":{"status":"found","start_s":2.75,"end_s":5.0,"reference_s":3.0,"evidence":"目标是文档底部以 χ₀(q,z) 开头、含 mk_F/(2q̃) 前因子、0 到 1 的积分及成对对数项的无量纲方程，按描述仅计入视口裁剪边缘以上的可见部分。首个合格帧为 2.75 秒，前一帧 2.50 秒尚未显示该方程；最后合格帧为 4.75 秒，持续至视频结束，之后无采样帧。选择 3.00 秒作为关键帧，方程可见结构清楚，且未被光标或选区遮挡。","start_frame":66,"end_frame":120,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[215.6,821.3,743.2,911.1],"positive_points":[[219.8,870.4],[369.8,850.9],[399.0,867.6],[463.5,868.5],[614.1,869.4],[706.3,838.0]],"negative_points":[[471.4,740.7],[388.5,653.7],[949.5,365.7],[673.4,949.1]],"evidence":"目标为文档底部含χ₀(q,z)、mk_F/(2q̃)前因子、0到1积分及两个对数项的无量纲化公式。框覆盖该公式当前可见部分，下沿止于文档视口裁切处。正点分布在左侧函数、前因子、积分号和两组对数内容上；负点位于上方说明段落、上一条公式、右侧滚动条及底部工具栏。"}}]}
+{"video_id":47,"video_type":"desktop and application interfaces","targets":[{"name":"CaTiO₃ crystal thumbnail","description":"Small cubic ball-and-stick crystal illustration with red and blue-gray atoms, fixed at the upper left of the material page.","membership":"Includes the complete crystal illustration, its bonds and translucent polyhedra; excludes the adjacent formula and page background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":10,"reference_s":0,"evidence":"目标是页面左上方、CaTiO₃公式左侧的立方晶体缩略图，包含红色和蓝灰色原子、连接键及半透明多面体。首个合格帧为0.00秒，最后为9.75秒；期间页面滚动，但缩略图始终完整显示且未被遮挡。区间覆盖视频首尾，两端均无区间外采样帧。选择0.00秒作为关键帧，晶体轮廓清晰，与相邻公式及背景易于区分。","start_frame":0,"end_frame":240,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[70.6,175.9,132,274.1],"positive_points":[[74.7,182.4],[127.3,182.4],[87.4,225],[114.6,246.3],[74.1,267.6],[127.3,267.6]],"negative_points":[[179.4,200],[57.9,225.9],[100.7,298.1],[141.2,157.4]],"evidence":"目标位于材料页面左上方、CaTiO₃公式左侧，是红色与蓝灰色原子组成的立方晶体缩略图。边界框紧贴完整晶体插图，涵盖原子、键及半透明多面体。正点分布在上下角原子和内部结构上；负点位于相邻公式及插图外围的页面背景。"}},{"name":"Material identification","description":"Large “CaTiO₃” formula with the identifier “mp-5827” beneath it, beside the crystal thumbnail.","membership":"Includes both lines of identification text; excludes the crystal illustration and navigation links below.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":10,"reference_s":0,"evidence":"目标是晶体缩略图右侧的两行标识文字“CaTiO₃”和“mp-5827”，不包括晶体图及下方导航。首个合格帧为0.00秒，最后为9.75秒；两行文字始终完整清晰显示，页面滚动未使其消失或裁切。区间覆盖视频起止，边界外没有采样帧。选择0.00秒作关键帧，两行文字无遮挡，便于独立标注。","start_frame":0,"end_frame":240,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[157.4,181.5,253.5,274.1],"positive_points":[[163.2,190.7],[202.5,187.9],[230.3,185.2],[248.8,219.4],[158.6,259.3],[229.7,247.2]],"negative_points":[[100.7,217.6],[119.2,426.9],[272.0,239.8],[321.8,165.7]],"evidence":"目标位于晶体缩略图右侧，为大号“CaTiO₃”和下方“mp-5827”两行文字。框紧贴两行完整文字，正点分布在公式及编号的字形笔画上；负点位于左侧晶体图、下方导航文字、右侧空白及参数表文字，均不属于目标。"}},{"name":"Material section navigation","description":"Left-side “TABLE OF CONTENTS” listing Summary, Crystal Structure, Properties, Contributed Data, Literature References, External Links, More, and Related Materials. Its purple selection changes as the page scrolls.","membership":"Includes the heading, section links, and their selection backgrounds; excludes the material identification above, DOI badge below, and narrow icon rail to the left.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":10,"reference_s":1,"evidence":"目标是左侧“TABLE OF CONTENTS”标题及 Summary 至 Related Materials 的八个导航链接和紫色选中背景，不包括上方材料标识、下方 DOI 徽章及左侧图标栏。首个合格帧为0.00秒，最后为9.75秒；整个过程中导航完整可见，仅选中项随滚动变化。区间覆盖视频首尾，两端均无外侧采样帧。选择1.00秒作为关键帧，导航文字和边界清晰，无遮挡。","start_frame":0,"end_frame":240,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[63.7,327.8,274.9,709.3],"positive_points":[[142.0,334.3],[91.4,428.7],[248.8,516.7],[114.0,563.0],[92.6,608.3],[101.9,698.1]],"negative_points":[[194.4,257.4],[130.2,768.5],[22.6,533.3],[388.9,463.9]],"evidence":"目标为左侧 TABLE OF CONTENTS 导航。边界框覆盖标题、Summary 至 Related Materials 的全部链接及紫色选中背景。正点分布在标题、多个链接文字和选中背景上；负点位于上方材料标识、下方 DOI 徽章、左侧图标栏及右侧属性面板，均不属于目标。"}},{"name":"Lattice parameters card","description":"Initially visible white card near the upper center showing lattice parameters, Volume, and the statement that the lattice is given in its conventional crystallographic setting.","membership":"Includes the card surface, boundary, table, and crystallographic-setting control and text; excludes neighboring cards.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是0.00秒画面上方中央的白色晶格参数卡，可见c、α、β、γ、Volume及conventional晶体学设置文字和控件，与右侧和下方卡片分离。首个及最后一个符合帧均为0.00秒：卡片在视频开始时已存在，上部位于视口之外，并非正在进入或构建。下一帧0.25秒页面已滚动，目标卡片不再可见。起点之前无采样帧；选0.00秒作为唯一可用且身份清晰的关键帧。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[293.4,130.6,620.4,513.9],"positive_points":[[329,165],[493,216.7],[348.4,369.4],[474,435.2],[370.4,475],[581,309.3]],"negative_points":[[208.3,425.9],[730.9,369.4],[456.6,590.7],[628.5,434.3]],"evidence":"目标是上方中央显示晶格参数、Volume及 conventional crystallographic setting 说明的白色卡片。框覆盖从画面顶部截断处到卡片底边的完整可见部分；正点分布在参数表、卡片表面及底部控件和说明上，负点位于左侧导航、右侧与下方相邻卡片及卡片间隙。"}},{"name":"Atomic positions card","description":"Initially visible white card at the upper right with atomic-site rows including “1b”, “Ca”, and “3d”, “O”, followed by fractional coordinates.","membership":"Includes the entire visible card surface, boundary, and atomic-coordinate table; excludes the separate physical-properties card below.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是0.00秒右上方的白色原子坐标卡，可见“1b / Ca”“3d / O”及分数坐标，与下方物性卡分离。按题述初始可见卡面确定，首末合格帧均为0.00秒；0.25秒页面上滚，坐标表已移出画面，仅余被裁切的卡片下部，因此不延长。区间到达视频起点，无更早采样帧。选择0.00秒作为关键帧，其可见卡面及坐标行最清楚。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[637.7,130.6,964.1,513.9],"positive_points":[[670,166],[749,216],[922,166],[694,319],[885,394],[793,475]],"negative_points":[[795,645],[537,296],[235,518],[798,97]],"evidence":"目标是右上方含“1b、Ca”和“3d、O”及分数坐标的白色原子位置卡片。框覆盖从页面顶部裁切处到圆角底边的整个可见卡片；正点分布于表格及卡片空白表面，负点位于下方独立物性卡片、左侧晶格卡片、侧栏和浏览器栏。"}},{"name":"Symmetry card","description":"White card below the lattice parameters, headed “Symmetry”, with crystal and lattice systems, Hall and international numbers, symbol, and point group.","membership":"Includes the card boundary, surface, labels, and values, including portions revealed by scrolling; excludes subtitles overlaid on it and adjacent cards.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"0.00秒画面中，晶格参数下方的白色卡片以“Symmetry”为标题，包含晶系、晶格系、Hall编号和国际编号等，确认是目标；卡片在视频开始时已存在，底部部分超出视口。首个及最后一个合格采样帧均为0.00秒，亦选作关键帧，因标题和主要字段最清楚。紧邻的0.25秒帧中，卡片已随滚动向上离开，顶部被画面边界裁切，故不纳入。视频起点之前没有采样帧。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[294,542,620,935],"positive_points":[[316,572],[352,633],[490,686],[354,787],[595,798],[332,912]],"negative_points":[[381,865],[728,686],[405,449],[203,648]],"evidence":"目标是晶格参数下方、以“Symmetry”为标题的白色卡片。框覆盖卡片当前可见的边界至画面底部裁切处；正点分布在卡片表面、晶系和编号等内容上，负点位于叠加的中文字幕、右侧相邻卡片、上方卡片及左侧导航区。"}},{"name":"Chinese subtitle block","description":"Large white Chinese captions with thick black outlines across the lower center, changing from “和他给这个参照” to “它这里是有参照的” and “我们点这个电子结构”.","membership":"Includes the changing subtitle glyphs and their black outlines; excludes webpage text, backing webpage panels, and click indicators.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":3.75,"reference_s":2.5,"evidence":"目标是画面下方中央的大号白字黑色粗描边中文字幕，依次显示“和他给这个参照”“它这里是有参照的”和“我们点这个电子结构”。首个合格帧为0.00秒，字幕已完整显示，视频起点之前无采样帧；最后合格帧为3.50秒，紧邻的3.75秒帧中字幕已消失。选择2.50秒作为关键帧，此时字幕完整清晰，且无点击提示干扰。","start_frame":0,"end_frame":90,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[328.1,832.4,670.1,901.9],"positive_points":[[347.2,863.9],[375,869.4],[428.2,863.9],[531.8,878.7],[575.8,868.5],[640.6,866.7]],"negative_points":[[419.6,796.3],[726.3,868.5],[521.4,921.3],[300.9,875]],"evidence":"目标为画面下方中央的“我们点这个电子结构”字幕，白色字形带粗黑描边。框紧贴整行字幕及描边；六个正点分布在不同汉字的笔画上，四个负点位于字幕外围的网页文字或面板区域，未包含点击指示器。"}},{"name":"Chemical Environment card","description":"White structural-information card containing the Wyckoff, Species, Environment, and IUPAC columns, with Ca²⁺ cuboctahedron and Ti⁴⁺ octahedron rows.","membership":"Includes the card surface and boundary, heading, table, and horizontal scrollbar; excludes the Properties section below.","id":"obj_009","temporal":{"status":"found","start_s":0.25,"end_s":0.75,"reference_s":0.25,"evidence":"目标是标题为 Chemical Environment 的白色卡片，包含 Wyckoff、Species、Environment、IUPAC 四列、Ca²⁺和Ti⁴⁺两行及横向滚动条。首个完整呈现帧为0.25秒，最后一个为0.50秒；此前0.00秒显示的是上方结构信息，目标尚未进入画面，此后0.75秒已滚动至热力学稳定性区域，目标消失。选择0.25秒作为关键帧，卡片边界、标题、表格和滚动条均清楚完整，无字幕遮挡。","start_frame":6,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[293.4,312,619.8,605.6],"positive_points":[[366.3,355.6],[566.6,403.7],[401,455.6],[476.9,507.4],[438.1,539.8],[326.4,579.6]],"negative_points":[[451.4,232.4],[440.4,675.9],[671.3,444.4],[219.3,518.5]],"evidence":"目标是中部标题为“Chemical Environment”的白色卡片，包含四列表头、Ca²⁺与Ti⁴⁺两行及水平滚动条。边界框紧贴整张卡片；正点分布在标题、表格、滚动条和卡片表面��负点位于上方其他卡片、左侧导航、右侧背景及下方卡片外区域，不包含下方Properties部分。"}},{"name":"Properties category tabs","description":"Horizontal category selector beneath “Properties”, containing Phase Stability, Electronic Structure, Spectra, Mechanical, and Heterostructures. Electronic Structure is clicked and becomes selected.","membership":"Includes the complete category-tab row, its tab surfaces, labels, and selection styling; excludes the Properties heading and the subordinate tabs and data panels below.","id":"obj_010","temporal":{"status":"found","start_s":0.25,"end_s":6.5,"reference_s":3.75,"evidence":"目标是 Properties 标题下包含 Phase Stability、Electronic Structure、Spectra、Mechanical、Heterostructures 的完整横向分类标签栏。首个合格帧为0.25秒，标签栏表面和结构已完整出现，部分文字被字幕遮挡；前一帧0秒尚未显示该栏。最后合格帧为6.25秒，6.5秒时该栏随页面滚动移出画面，因此结束本次连续出现，不合并后续重现。选择3.75秒作为关键帧，五个标签清晰完整、无遮挡，且 Electronic Structure 已呈选中样式。","start_frame":6,"end_frame":156,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[293.4,230.6,808.4,291.7],"positive_points":[[344,267],[428,264],[511,276],[567,267],[644,267],[749,267]],"negative_points":[[352,181],[359,318],[382,393],[860,265]],"evidence":"根据 Properties 标题下方的五个类别标签定位目标，Electronic Structure 呈选中样式。框覆盖从 Phase Stability 到 Heterostructures 的整行标签表面、文字和选中边框。六个正点分布在各标签及选中标签表面；负点位于上方标题、下方次级标签与内容标题，以及右侧行外背景。"}},{"name":"Thermodynamic Stability data card","description":"White data card under the Thermodynamic Stability section, showing a red cross for Predicted Stable, Energy Above Hull of 0.064 eV/atom, Predicted Formation Energy of -3.492 eV/atom, and calculation-method information.","membership":"Includes the card boundary, surface, status symbols, and all visible data rows; excludes the adjacent blue update notice and overlaid subtitles.","id":"obj_011","temporal":{"status":"found","start_s":0.75,"end_s":3.25,"reference_s":1.5,"evidence":"通过白色卡片中的 Predicted Stable 红叉、0.064 eV/atom、-3.492 eV/atom 及计算方法行确认目标，不包括右侧蓝色通知和字幕。首个符合帧为0.75秒，最后为3.00秒；前一帧0.50秒仅显示该区域上方的标题，后一帧3.25秒已切换为 Electronic Structure 内容，原卡片消失。选择1.50秒作为关键帧，卡片与相邻通知区分清楚，主要数值和状态符号清晰可见。","start_frame":18,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[301,519,620,935],"positive_points":[[362,569],[493,569],[541,621],[392,714],[546,794],[406,918]],"negative_points":[[729,646],[405,393],[255,630],[470,847]],"evidence":"目标是热力学稳定性标题下方的白色数据卡，可见红色叉号、0.064 eV/atom、-3.492 eV/atom及计算方法。框覆盖卡片边界至画面下方的可见截断处；正点分布于状态符号、各数据行和卡片表面，负点位于右侧蓝色通知、上方标题、左侧背景及叠加中文字幕，不将字幕计入目标。"}},{"name":"Thermodynamic data update notice","description":"Blue-headed notice to the right of the thermodynamic data card, titled “Major update to the thermodynamic data”, discussing r2SCAN and linking to the Phase Diagram App.","membership":"Includes the notice's colored header, pale body, boundary, paragraphs, and link; excludes the separate numerical data card.","id":"obj_012","temporal":{"status":"found","start_s":0.75,"end_s":3.25,"reference_s":1.5,"evidence":"目标是热力学数值卡右侧的通知，含蓝色标题栏“Major update to the thermodynamic data”、浅色正文区、r2SCAN说明及Phase Diagram App链接。首个完整呈现帧为0.75秒，最后合格帧为3.00秒；前一帧0.50秒尚未显示该通知，后一帧3.25秒已切换为Electronic Structure内容，通知消失。选择1.50秒作为关键帧，通知边界和标题清晰，正文遮挡较少。","start_frame":18,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[637.7,518.5,955.4,916.7],"positive_points":[[690.4,546.3],[913.2,554.6],[677.1,617.6],[910.9,737.0],[791.7,817.6],[807.3,875.0]],"negative_points":[[564.8,647.2],[789.4,463.0],[970.5,703.7],[849.5,928.7]],"evidence":"目标是数值数据卡右侧、标题为“Major update to the thermodynamic data”的通知。框覆盖蓝色标题栏、浅色正文背景、段落及 Phase Diagram App 链接和外边界。正点分布于标题与正文各部分；负点位于左侧独立数值卡及通知上方、右侧和下方的外部背景。"}},{"name":"Electronic Structure panel — first appearance","description":"Electronic Structure content opened by the category-tab click. It contains Electronic Structure, Magnetic Properties, and Charge Density subtabs, a section heading, Data/Methods/API tabs, a blank summary card, and a plotting card with a green “Get Interactive Plot” button and animated green loading dots. It subsequently scrolls completely out of view.","membership":"Includes the bounded electronic-structure content panel and all its internal controls, cards, blank surfaces, and loading animation; excludes the top-level Properties category tabs, the Contributed Data section, and recording overlays.","id":"obj_013","temporal":{"status":"found","start_s":3.25,"end_s":6.5,"reference_s":4.75,"evidence":"通过三个子标签、Electronic Structure 标题、Data/Methods/API 标签、空白摘要卡及带绿色“Get Interactive Plot”按钮和加载点的绘图卡识别目标。3.25 秒首次完整显示面板，前一帧 3.00 秒仍是 Thermodynamic Stability 内容。最后合格帧为 6.25 秒；6.50 秒向上滚动时面板顶部已被视口裁切，因此结束此次完整出现。选择 4.75 秒作为关键帧，面板边界清晰完整，且无字幕或点击提示遮挡。","start_frame":78,"end_frame":156,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[293.4,290.7,964.1,773.1],"positive_points":[[361,318],[417,394],[388,464],[461,543],[391,650],[758,677]],"negative_points":[[464,261],[641,263],[173,519],[393,916]],"evidence":"根据三个子标签、Electronic Structure 标题、Data/Methods/API 标签及绿色绘图按钮识别目标。边界框覆盖子标签栏至内容面板底边，包括空白摘要卡、绘图卡和加载动画。正点分布于子标签、标题、内部标签、摘要卡和绘图卡；负点位于上方类别标签、左侧导航及下方 Contributed Data 区域。"}},{"name":"Contributed Data introduction","description":"The “Contributed Data” heading and explanatory paragraph about uploading computational or experimental data through the MPContribs platform, revealed below the electronic-structure section.","membership":"Includes the heading and complete introductory paragraph with its inline links; excludes the background, divider lines, and contribution cards below.","id":"obj_014","temporal":{"status":"found","start_s":6.5,"end_s":8.0,"reference_s":7.75,"evidence":"目标为“Contributed Data”标题及其下方介绍通过 MPContribs platform 上传数据的完整段落（含行内链接），不含贡献卡片。首次完整显示于6.50秒，最后一个合格帧为7.75秒；前一帧6.25秒仅露出标题，段落尚在画面下方，后一帧8.00秒标题和介绍段落已滚出画面。选择7.75秒作为关键帧，标题及完整段落清晰且无遮挡。","start_frame":156,"end_frame":192,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[293,237,963,391],"positive_points":[[301,250],[441,252],[448,319],[772,319],[318,350],[816,380]],"negative_points":[[380,497],[139,518],[610,198],[626,409]],"evidence":"目标位于页面主内容区上方，由“Contributed Data”标题及其下三行介绍段落组成。边界框覆盖完整标题、段落及内嵌链接；正点分布在标题和各行文字笔画上，负点位于上方及下方外部背景、左侧导航和下方贡献卡片，均不属于目标。"}},{"name":"Forbidden Transitions contribution card","description":"First contribution card, labeled “Forbidden Transitions”, with contribution identifier “f47df9e”, data chips “info” and “properties”, an authors area, and “See more”.","membership":"Includes the complete white card surface, boundary, project and contribution fields, data chips, authors area, icon, and expansion control; excludes neighboring contribution cards.","id":"obj_015","temporal":{"status":"found","start_s":7.5,"end_s":8.0,"reference_s":7.75,"evidence":"通过“Forbidden Transitions”、贡献编号“f47df9e”及“info”“properties”标签确认目标。首个合格帧为7.50秒，最后合格帧为7.75秒，完整白色卡片、作者区和“See more”均在画面内。此前7.25秒卡片仅在底部露出边缘，尚未完整进入；随后8.00秒卡片上缘已被页面可视区域裁切。选择7.75秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":180,"end_frame":192,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[292.8,423.1,964.1,679.6],"positive_points":[[393.5,496.3],[570,494.4],[780.7,495.4],[935.2,469.4],[435.2,601.9],[899.3,649.1]],"negative_points":[[463,780.6],[173.6,517.6],[636.6,379.6],[975.1,550.9]],"evidence":"通过“Forbidden Transitions”、标识符“f47df9e”及“info”“properties”标签确认目标为第一张贡献卡片。边界框覆盖整张白色卡片，包括作者区、图标和底部展开区域。正点分布在标题、贡献字段、数据标签、图标、作者区及底部卡面；负点位于下方相邻卡片、左侧导航、上方说明文字区和右侧外部背景。"}},{"name":"Electronic Transport contribution card","description":"Second contribution card, with the truncated project title “Electronic Transport Prop...” and identifier “7ff3426”, followed by data chips including task, metal, ΔE, V, and S.","membership":"Includes the complete card surface and boundary, project and contribution fields, visible data chips, authors area, icon, and See more control; excludes the cards above and below.","id":"obj_016","temporal":{"status":"found","start_s":8.0,"end_s":8.75,"reference_s":8.25,"evidence":"通过标题“Electronic Transport Prop...”、标识“7ff3426”及 task、metal、ΔE、V、S 数据标签确认目标。首个完整呈现帧为8.00秒，最后完整帧为8.50秒，卡片边界、作者区域和 See more 控件均可见。前一帧7.75秒卡片底部仍被画面边缘裁切；后一帧8.75秒页面向上滚动，目标已移出可视区域。选择8.25秒作为关键帧，卡片完整清晰，便于与上下卡片区分。","start_frame":192,"end_frame":210,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[292.8,402.8,964.7,661.1],"positive_points":[[403,477],[570,475],[768,477],[936,449],[434,585],[335,621]],"negative_points":[[579,278],[579,761],[174,481],[637,675]],"evidence":"根据标题“Electronic Transport Prop...”及编号“7ff3426”确定为第二张贡献卡。边界框覆盖整张卡片，包括字段、数据标签、作者区、右侧图标和 See more 控件。正点分布于这些区域；负点位于上、下相邻卡片、左侧导航及卡片下方间隙，均不属于目标。"}},{"name":"Electronic Structure panel — return appearance","description":"The electronic-structure content panel reappears when the page scrolls back upward from the contribution cards. Its summary remains blank, and the plotting card still shows “Get Interactive Plot” with animated green loading dots.","membership":"Includes the bounded electronic-structure content panel, its subordinate tabs, heading, Data/Methods/API controls, blank summary card, plotting card, button, and loading animation; excludes the top-level category selector and the Contributed Data section below.","id":"obj_018","temporal":{"status":"found","start_s":9.0,"end_s":10.0,"reference_s":9.0,"evidence":"目标为从贡献卡片向上滚动后返回的 Electronic Structure 内容面板，包含下级标签、标题、Data/Methods/API、空白摘要卡及带 Get Interactive Plot 按钮和绿色加载点的绘图卡，不含顶层分类标签。8.75 秒时面板顶部及下级标签仍被画面上缘裁切；9.0 秒首次完整呈现，至最后采样帧 9.75 秒持续完整可见，故区间结束于视频末尾 10.0 秒，之后无帧。选择 9.0 秒作为关键帧，面板边界清晰、无遮挡且加载点可见。","start_frame":216,"end_frame":240,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[293.4,316.7,963.5,799.1],"positive_points":[[357.6,344.4],[382.5,419.4],[389.5,490.7],[463.0,570.4],[390.0,675.9],[641.9,647.8]],"negative_points":[[466.4,289.8],[162.0,517.6],[653.9,856.5],[345.5,207.4]],"evidence":"目标是重新显示的 Electronic Structure 有界内容面板，空白摘要卡及带“Get Interactive Plot”按钮、绿色加载圆点的绘图卡清晰可见。框覆盖下级标签栏至面板底边，不含上方主类别选择器。正点分布在下级标签、标题、Methods 控件、摘要卡、绘图按钮和加载圆点；负点位于上方主类别、左侧导航、面板下方及 Properties 标题。"}}]}
+{"video_id":48,"video_type":"desktop and application interfaces","targets":[{"name":"Unit-type library","description":"The left sidebar headed “兵牌库”, with a “编制层级” dropdown and a two-column collection of blue military symbols for infantry, armor, artillery, support, and other unit types.","membership":"Include the sidebar surface, boundary, heading, dropdown, unit tiles with their labels, and instructions beneath them. Exclude the browser controls, application header, and neighboring chart.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标是左侧标题为“兵牌库”的侧栏，包含“编制层级”下拉框、两列蓝色军种符号及标签和下方说明，与顶部应用栏及中央编制图分离。首个采样帧0.00秒已完整显示，至最后采样帧14.75秒侧栏表面、边界及内容始终可见，无淡出或移出。区间覆盖视频起止，边界之外没有采样帧。选0.00秒为关键帧，侧栏完整清晰且无遮挡。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[1.6,94.4,88.5,964.8],"positive_points":[[17.2,110.2],[52.6,150.9],[24,262],[63,551.9],[38,681.5],[47.4,846.3]],"negative_points":[[54.7,41.7],[54.7,76.9],[130.7,422.2],[924,352.8]],"evidence":"目标为左侧标题“兵牌库”的完整侧栏。边框覆盖侧栏表面及边界、编制层级下拉框、两列兵种图块与标签、下方说明及底部空白区域。正点分布于标题、下拉框、兵种图块、说明和侧栏下部；负点位于浏览器控件、应用顶栏、相邻编制图及右侧属性统计栏。"}},{"name":"Military organization chart","description":"The central connected hierarchy initially headed “第1步兵师”, with three infantry regiments, an artillery regiment, and divisional support battalions. Branches progressively expand through battalions, companies, platoons, and squads as the chart shifts horizontally.","membership":"Include all visible unit symbols, echelon marks, unit names, numerical badges, expansion controls, and connecting lines belonging to the hierarchy. Include newly revealed descendants and the separately identified squad. Exclude blank workspace, scrollbars, subtitles, cursor, and transient hover or selection highlighting.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标是中央以“第1步兵师”为首、由连接线串联的军事编制层级图。首个采样帧0.00秒已完整建立；随后展开营、连、排、班并横向调整布局，仍是同一图表，视口裁切不属于退场。最后采样帧14.75秒仍持续显示。区间覆盖视频首尾，两端均无更外侧采样帧。选择0.00秒作为关键帧，因为初始层级整体清晰可见，且无字幕遮挡，便于区分图表与周边界面。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[179.7,125.9,820.3,316.7],"positive_points":[[493.2,132.4],[203.6,284.3],[365.6,284.3],[467.2,246.3],[634.4,284.3],[797.2,284.3]],"negative_points":[[477.1,413.9],[64.6,257.4],[924.5,350.9],[678.1,163.9]],"evidence":"目标是中央以“第1步兵师”为顶层、连接三个步兵团及炮兵团和师直属营的组织层级图。框覆盖全部可见节点符号、层级标记、名称、数值徽章、展开按钮及连接线。正点分布于顶层徽章和横向各部队节点；负点位于下方与上方空白工作区、左侧兵牌库及右侧统计面板，排除这些非层级图内容。"}},{"name":"Unit properties panel","description":"The right-hand “单位属性” section initially displays editing instructions. Selecting “3班” replaces these with fields for designation, unit type, echelon, notes, personnel, and equipment, followed by unit-management controls and keyboard guidance.","membership":"Include the properties section surface, boundaries, heading, instructions or editing form, associated controls, and keyboard guidance. The separately listed designation field remains part of this section. Exclude the statistics section below and the central chart.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":12,"evidence":"目标为右侧标题“单位属性”的区域，不含下方“统计汇总”和中央图表。0.00秒已完整显示标题、面板表面及编辑说明；11.25秒选中“3班”后，内部替换为编辑字段、单位管理按钮和快捷键说明，仍是同一面板。最后一帧14.75秒仍完整存在，因此区间为[0,15)。区间两端均为视频边界，没有更早或更晚的采样帧。选择12.00秒作为关键帧，编辑表单及关联控制完整清晰，与下方统计区域易于区分。","start_frame":0,"end_frame":360,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[866.1,95.4,998.4,743.5],"positive_points":[[885.3,112.5],[927.6,153.2],[930.2,305.8],[929.1,413.2],[928.4,475.1],[914.6,668.2]],"negative_points":[[929.2,791.7],[820.3,510.2],[938.5,75.2],[772.4,284.5]],"evidence":"右侧“单位属性”栏显示已选中“3班”的编辑表单。框覆盖标题、表单及其背景、单位管理按钮和快捷键说明，止于“统计汇总”上方。正点分布于标题、番号、备注、装备、管理按钮和快捷键区域；负点位于下方统计卡片、中央编制图及顶部工具栏。"}},{"name":"Personnel and equipment statistics","description":"The right-hand “统计汇总” section shows “全军总计”, a personnel total of “12,519”, and equipment quantities. After the squad is selected, it also shows a selected-unit summary for “3班” with nine personnel and one light machine gun.","membership":"Include the statistics heading and all summary-card surfaces, boundaries, labels, and values within this section, including the selected-unit summary when present. Exclude the properties editor above and content clipped outside the visible sidebar.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标为右侧“统计汇总”标题及其汇总卡片，初始显示“全军总计”、人数12,519和装备数量；11.25秒起增加“3班”的9人及1挺轻机枪摘要。首个合格帧为0秒，末个为14.75秒，该栏目始终存在，内部卡片变化不构成重新出现；仅计入侧栏内可见内容，不含上方属性编辑器及被裁切到侧栏外的内容。区间已达视频两端，无更早或更晚的相邻采样帧。选择0秒作为关键帧，因标题与全军汇总卡片完整清晰、无遮挡。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[872.4,300,991.7,603.7],"positive_points":[[880,305.6],[888,332.4],[977.1,355.6],[884.4,422.2],[981.8,506.5],[901,588]],"negative_points":[[927.1,231.5],[843.8,425.9],[932.3,648.1],[795.8,284.3]],"evidence":"目标位于右侧栏的“统计汇总”区，框包含标题及下方完整的“全军总计”卡片、人数12,519和装备数量；当前未显示“3班”选中单位汇总。正点分布在标题及卡片上、中、下部的标签、数值和表面，负点位于上方属性区、左侧画布、下方空白及左侧单位图标。"}},{"name":"Hierarchy expansion tutorial captions","description":"Large black Chinese instructional text across the lower central workspace first reads “点击兵牌右上角的加号即可展开”, then changes to “预设提供了最小到班的编制参考 当然实际你可以自由发挥”. This caption block disappears after the squad level is revealed.","membership":"Include only the glyphs of the instructional caption, including both lines when wrapped. Exclude chart elements, workspace backing, and uploader credits.","id":"obj_005","temporal":{"status":"found","start_s":0.5,"end_s":6.5,"reference_s":4.0,"evidence":"目标为工作区下方中央的大号黑色教学字幕：先显示“点击兵牌右上角的加号即可展开”，3.50秒起变为两行“预设提供了最小到班的编制参考／当然实际你可以自由发挥”。首个完整出现帧为0.50秒，最后 qualifying 帧为6.25秒；前邻帧0.25秒尚无字幕，后邻帧6.50秒班级节点已展开且字幕消失。选择4.00秒作为关键帧，两行字形完整清晰，与图表及底部署名分离。","start_frame":12,"end_frame":156,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[261.5,748.1,719.3,863.0],"positive_points":[[266.7,755.6],[438.0,752.8],[700.5,770.4],[326.6,855.6],[545.3,833.3],[656.3,848.1]],"negative_points":[[480,710],[480,895],[240,780],[740,810]],"evidence":"目标是工作区下方的两行大号黑色说明文字：“预设提供了最小到班的编制参考”“当然实际你可以自由发挥”。边框紧贴完整两行文字范围；六个正点分布在两行不同位置的字形笔画上，四个负点位于文字块外围的工作区背景，不含编制图或上传者署名。"}},{"name":"Third squad of the first platoon","description":"The infantry node labeled “3班”, the rightmost of three squads beneath “1排” in “A连” under the first regiment’s “1营”. It displays nine personnel and one equipment item, and is later selected to populate the properties editor.","membership":"Include this squad’s rectangular crossed infantry symbol and enclosed surface, echelon dots, numerical badge, and name label. Exclude its parent connector, sibling squads, cursor, and blue selection outline or tint. It remains part of the organization chart.","id":"obj_006","temporal":{"status":"found","start_s":6.5,"end_s":15.0,"reference_s":9.5,"evidence":"目标为第一团的1营→A连→1排下最右侧“3班”节点，含交叉步兵矩形、层级圆点、“9／1”数值徽标及名称，后续被选中并在属性栏显示3班。首个完整帧为6.50秒；此前6.25秒仅显示到三个排，尚无该班节点。末个合格帧为14.75秒，目标仍完整存在，视频末尾无后续帧。选择9.50秒作为关键帧，节点清晰，未被选中且无光标遮挡；不包含连接线、相邻班或后续蓝色选择框。","start_frame":156,"end_frame":360,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[291.1,695.4,328.1,771.3],"positive_points":[[302.1,701.9],[314.1,715.7],[303.1,729.6],[325,729.6],[315.1,751.9],[314.1,765.7]],"negative_points":[[259.9,740.7],[206.3,740.7],[260.4,626.9],[290.6,679.6]],"evidence":"目标是第一步兵团1营A连1排下方三个班中最右侧的“3班”。框覆盖其9人、1装备数值徽章、层级圆点、交叉步兵矩形及名称。正点分布在这些组成部分上；负点位于左侧两个兄弟班、上方1排符号及父级连接线上，不包含鼠标或选择效果。"}},{"name":"Unit editing tutorial captions","description":"A later lower-center caption block reads “选中兵牌后可在左侧细致编辑” while the selected squad’s properties are displayed, then changes to “部队番号” as the designation field receives focus.","membership":"Include only the visible caption glyphs. Exclude the chart, selected-node highlighting, sidebar, and workspace surface.","id":"obj_007","temporal":{"status":"found","start_s":11.25,"end_s":14.0,"reference_s":12.0,"evidence":"目标为画面下方中央的教程字幕字形“选中兵牌后可在左侧细致编辑”，不含图表、选中框或侧栏。首个完整帧为11.25秒，最后 qualifying 帧为13.75秒；前一帧11.00秒尚无该字幕，后一帧14.00秒字幕已消失，因此不与14.25秒出现的“部队番号”合并。选择12.00秒作为关键帧，字幕完整清晰且无遮挡。","start_frame":270,"end_frame":336,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[278.1,778.7,705.7,833.3],"positive_points":[[286.5,825],[322.9,802.8],[418.8,788.9],[517.7,793.5],[590.1,813],[690.6,804.6]],"negative_points":[[314,741],[929,152],[527,511],[754,834]],"evidence":"目标为画面下方中央的教程字幕“选中兵牌后可在左侧细致编辑”。边界框紧贴整行可见字幕，六个正点分布在左、中、右部文字笔画上；负点位于选中班节点、右侧属性栏、上方编制图及字幕外工作区，均不属于字幕。"}},{"name":"Selected squad designation field","description":"The top field of the populated right-hand properties editor, labeled “部队番号”, contains “3班”. The demonstration focuses this input and selects part of its text.","membership":"Include the label and its associated input boundary, interior surface, and current text as one field. Exclude the “单位属性” heading, neighboring fields, cursor, caret, and temporary text-selection or focus effects. This field remains within the properties panel.","id":"obj_008","temporal":{"status":"found","start_s":11.25,"end_s":15.0,"reference_s":12.0,"evidence":"目标是右侧已填充属性编辑器顶部标注“部队番号”、内容为“3班”的输入字段，包含标签和输入框。11.25秒首次完整出现；前一帧11.00秒右侧仍为说明区域，尚无该字段。字段持续显示至最后采样帧14.75秒，聚焦及文字选择不改变其身份；视频在15.00秒结束，无后续帧。选择12.00秒作为关键帧，字段边界、标签及文字清楚，无遮挡且无文字选择效果。","start_frame":270,"end_frame":360,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[872.9,126.9,985.9,165.7],"positive_points":[[876.8,131.5],[887.6,131.5],[881.3,152.8],[912.5,151.9],[965.1,154.6],[984.9,160.2]],"negative_points":[[879.7,112.0],[876.6,179.6],[927.6,200.0],[859.4,151.9]],"evidence":"目标是右侧属性面板顶部标有“部队番号”、当前值为“3班”的字段。框覆盖标签及其输入框边界、内部表面和文字，不含“单位属性”标题及下方兵种字段。正点分布在标签、当前文字和输入框表面；负点位于标题、下方相邻字段及面板外背景。"}}]}
+{"video_id":49,"video_type":"desktop and application interfaces","targets":[{"name":"Smartphone app demonstration","description":"Upright black smartphone with a silver rim, initially displaying a purple login screen, then a bus-search form and ticket results.","membership":"Includes the complete handset, bezel, notch, side controls, and all displayed screen content. Excludes the surrounding background and transient touch highlights.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":19,"reference_s":0,"evidence":"目标为黑色机身、银色边框的直立智能手机，完整包含刘海、侧键及屏幕；屏幕从紫色登录页变为巴士查询及票务结果，机身连续存在。首个合格帧为0.00秒，末个为18.75秒，均完整可见；起点已是视频开头，无更早采样帧。19.00秒切换为桌面商业仪表盘，手机消失。选择0.00秒作关键帧，手机轮廓清晰完整，且无触摸高亮干扰。","start_frame":0,"end_frame":456,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[391.7,122.2,606.3,877.8],"positive_points":[[500,153.7],[486,233.3],[432.8,437],[556.3,550],[496.9,794.4],[601,747.2]],"negative_points":[[355.7,361.1],[645.8,530.6],[499,64.8],[501.6,930.6]],"evidence":"图像中央是银色边框的直立黑色手机，屏幕显示紫色登录界面。边界框覆盖完整机身、边框、顶部刘海、侧键及屏幕内容。正点分布在顶部、屏幕不同区域和右侧边框；负点位于手机四周的外部背景。"}},{"name":"Username field","description":"Upper underlined login input beneath “Welcome!”, initially labeled “Username” and subsequently filled with “Viktoriia L”.","membership":"Includes the input area, its underline, and its placeholder or entered text. Excludes the password field and touch indicator.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":0,"evidence":"目标是“Welcome!”下方、密码栏上方的用户名输入区及下划线，文字从“Username”变为“Viktoriia L”，触摸指示点不属于目标。首个合格帧为0.00秒，输入栏已完整显示；最后合格帧为5.50秒。5.75秒已切换到Bus查询页，用户名栏消失。区间始于视频开头，无更早采样帧。选择0.00秒作关键帧，输入栏清晰完整且没有触摸指示点遮挡。","start_frame":0,"end_frame":138,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[425.5,473.1,574.5,499.1],"positive_points":[[430.9,483.3],[464.6,484.3],[491.7,482.4],[553.6,483.3],[438.5,498.1],[563.5,498.1]],"negative_points":[[447.9,549.1],[526.0,567.6],[498.4,398.1],[597.9,486.1]],"evidence":"目标是“Welcome!”下方、密码栏上方标有“Username”的输入框。边界框覆盖输入区域、占位文字及整条下划线；正点分布于文字、输入区和下划线，负点位于密码栏、���迎标题及输入框右侧外部。"}},{"name":"Password field","description":"Lower underlined login input, initially labeled “Password” and subsequently showing masking dots.","membership":"Includes the input area, underline, and placeholder or masking characters. Excludes neighboring controls and touch indicators.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":0.5,"evidence":"目标是登录页中位于用户名下方、LOG IN 按钮上方的下划线输入区，起初标注“Password”，随后显示密码掩码圆点。首个合格帧为0.00秒，最后为5.50秒，输入区及下划线始终完整；5.75秒已切换为巴士搜索页，目标消失。区间从视频起点开始，无更早采样帧。选择0.50秒作为关键帧，字段清晰且没有触控指示遮挡。","start_frame":0,"end_frame":138,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[425.5,541.7,574.5,568.5],"positive_points":[[430.7,548.1],[462.1,550.9],[492,551],[538,551],[445,567],[567,567]],"negative_points":[[451,483],[500,589],[502,633],[593,550]],"evidence":"目标是用户名下方、登录按钮上方标有“Password”的输入框。边界框覆盖占位文字、输入区域及整条下划线；正点分布在文字、输入区和下划线上，负点位于用户名、框外间隔、登录按钮及右侧背景，避开目标内容。"}},{"name":"LOG IN button","description":"Wide rounded purple button below the password input, pressed to open the bus-search screen.","membership":"Includes the button surface, border, and “LOG IN” label. Excludes the external activation glow, touch marker, and “Forgot password?” text.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":0.5,"evidence":"目标是密码输入框下方、带“LOG IN”文字的宽圆角紫色按钮，不包括外部光晕、触点和“Forgot password?”文字。首个合格帧为0.00秒，按钮已完整呈现；最后合格帧为5.50秒，按钮表面、边框和文字仍完整可见。5.75秒已切换为巴士搜索页面，目标消失。区间始于视频开头，无更早采样帧。选择0.50秒作为关键帧，按钮清晰且无遮挡，也无激活光晕或触点干扰。","start_frame":0,"end_frame":138,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[424.5,611.1,574,655.6],"positive_points":[[435.4,629.6],[455.7,641.7],[484.9,622.2],[504.2,634.3],[533.3,644.4],[563.5,628.7]],"negative_points":[[500,672.2],[454.2,550],[411,631],[586,632]],"evidence":"目标是密码输入框下方标有“LOG IN”的宽紫色圆角按钮。边界框紧贴按钮表面和边框，包含文字，不包含外部光晕及下方提示。六个正点分布在按钮表面和标签处；四个负点位于“Forgot password?”、密码输入区域及按钮左右外部背景。"}},{"name":"Bus route selection card","description":"Upper translucent rounded card on the bus-search screen, containing “FROM” and “TO” locations, colored location icons, and a circular swap control. Its locations change to London and Manchester.","membership":"Includes the card surface, boundary, location fields, labels, icons, and swap control. Excludes the separate passenger-and-date card; dropdowns extending beyond this card have their own regions.","id":"obj_005","temporal":{"status":"found","start_s":5.75,"end_s":17.0,"reference_s":15.5,"evidence":"目标是 Bus 搜索页上方的半透明圆角路线卡，包含 FROM/TO、彩色位置图标及圆形交换按钮，地点随后变为 London 和 Manchester。首个合格帧为 5.75 秒，前一帧 5.50 秒仍是登录页；最后合格帧为 16.75 秒，17.00 秒结果页滑入并遮盖、替换该卡。选择 15.50 秒为关键帧，此时卡片边界和全部指定控件清晰，且没有展开的下拉框遮挡。","start_frame":138,"end_frame":408,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[418.2,308.3,581.3,468.5],"positive_points":[[491,326],[437,357],[470,366],[474,422],[547,388],[562,445]],"negative_points":[[495,539],[450,272],[390,391],[500,714]],"evidence":"目标是屏幕上方包含 FROM London、TO Manchester 和圆形交换按钮的半透明圆角卡片。边框紧贴整张卡片的可见外缘；正点分布于卡片表面、地点字段、定位图标及交换控件，负点位于独立的乘客日期卡片、Bus 标题、左侧外部背景和 SEARCH 按钮。"}},{"name":"Origin autocomplete dropdown","description":"Small pale dropdown opened beneath the “FROM” entry while “Lon” is typed, offering “London”.","membership":"Includes the complete dropdown surface, boundary, typed query row, and suggestion area. Excludes the surrounding route card and touch highlight.","id":"obj_006","temporal":{"status":"found","start_s":7.25,"end_s":9.0,"reference_s":8.25,"evidence":"目标是 FROM 输入项下方的浅色自动补全下拉框，包含查询行和 London 建议区域。7.25 秒边界与面板结构已完整建立，持续至最后合格帧 8.75 秒；此前 7.00 秒面板仍在展开，9.00 秒下拉框已关闭，FROM 显示 London。选择 8.25 秒作为关键帧，此时查询 Lon 和建议 London 清晰可见，且无触摸高亮遮挡。","start_frame":174,"end_frame":216,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[448.4,353.7,507.3,434.3],"positive_points":[[452.6,365.7],[499,366.7],[458.3,391.7],[499.5,391.7],[456.3,419.4],[500,422.2]],"negative_points":[[466.1,329.6],[518.2,432.4],[436.5,414.8],[546,388]],"evidence":"目标是“FROM”下方显示“Lon”和“London”的浅色自动补全下拉框。边界框覆盖查询行、建议区域及完整下拉框表面和边界；六个正点分布在上下各区域，负点位于外围路线卡片、定位图标和右侧切换按钮上，避开下拉框及其边缘。"}},{"name":"Passenger and departure card","description":"Lower translucent rounded bus-search card containing the passenger minus/count/plus controls and the “DEPART” date field. The count changes from 0 to 1 and the date becomes “Fri 3 Apr 2026”.","membership":"Includes the card surface, border, colored icons, passenger controls, labels, and displayed departure value. Excludes the calendar popup extending outside it and transient touch markers.","id":"obj_007","temporal":{"status":"found","start_s":5.75,"end_s":17.0,"reference_s":16.25,"evidence":"目标是 Bus 搜索页下方的半透明圆角卡片，包含乘客减号／数量／加号和 DEPART 日期字段。5.75 秒首次完整呈现，前一帧 5.50 秒仍为登录页；16.75 秒为最后合格帧，17.00 秒结果页滑入并遮去该卡片。选择 16.25 秒作关键帧：卡片边界清晰，乘客数为 1，日期为 Fri 3 Apr 2026，无日历弹窗遮挡。","start_frame":138,"end_frame":408,"reference_frame":390},"grounding":{"status":"found","bbox_xyxy":[418.2,490.7,581.3,650.9],"positive_points":[[436.9,538.0],[513.5,538.0],[470.3,601.9],[436.5,595.4],[567.2,512.0],[554.2,629.6]],"negative_points":[[496.9,427.8],[500.0,713.0],[590.1,571.3],[411.5,570.4]],"evidence":"目标是手机界面下方包含 PASSENGER、减号/数量1/加号及 DEPART、Fri 3 Apr 2026 的半透明圆角卡片。边界框紧贴卡片表面与边框；六个正点分布于图标、人数、日期和卡片表面。负点位于上方路线卡片、下方搜索按钮以及目标左右外部区域。"}},{"name":"SEARCH button","description":"Large pill-shaped button below the passenger-and-departure card, used after the journey details are entered.","membership":"Includes the button surface, boundary, and “SEARCH” label. Excludes external glow and the touch indicator.","id":"obj_008","temporal":{"status":"found","start_s":5.75,"end_s":17.0,"reference_s":15.5,"evidence":"目标是乘客及出发日期卡片下方、标有“SEARCH”的大型胶囊形按钮。5.75秒首次完整出现，16.75秒为最后合格帧；此前5.50秒仍是登录页面，之后17.00秒搜索结果页滑入并遮去按钮。期间日历的短暂遮挡不改变其连续身份。选择15.50秒作为关键帧，按钮表面、边界和文字清晰，无遮挡且无外部高亮光晕。","start_frame":138,"end_frame":408,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[436,681.5,563.6,749],"positive_points":[[450,699],[543,700],[454,727],[540,729],[479,714],[518,715]],"negative_points":[[507.3,636.7],[478,601],[576,714],[499,811]],"evidence":"目标是乘客与出发日期卡片下方标有“SEARCH”的胶囊形按钮。边界框紧贴按钮表面及边界，包含文字，不含外部光晕。六个正点分布在按钮左右表面及文字区域；负点位于上方触摸指示点、日期卡片、按钮右侧背景和底部导航栏。"}},{"name":"Destination autocomplete dropdown","description":"Pale dropdown opened at the “TO” entry while “Man” is typed, displaying a loading indicator and then the “Manchester” suggestion.","membership":"Includes the popup surface, boundary, query row, and changing suggestion or loading contents. Excludes the underlying route and departure cards and touch highlight.","id":"obj_009","temporal":{"status":"found","start_s":10.25,"end_s":12.25,"reference_s":11.5,"evidence":"目标是“TO”目的地输入处的浅色自动补全弹窗，包含查询行及先加载、后显示“Manchester”的内容。10.25秒弹窗表面和边界首次完整建立，12.00秒为最后 qualifying 帧；此前10.00秒仅展开一条输入行，弹窗尚未完整显露，此后12.25秒弹窗消失，目的地已填入Manchester。选择11.50秒作为关键帧，弹窗轮廓完整且建议文字清晰。","start_frame":246,"end_frame":294,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[448.44,409.26,507.29,489.81],"positive_points":[[455.73,421.3],[500,416.67],[463.02,446.3],[493.75,447.22],[456.25,477.78],[498.96,475.93]],"negative_points":[[479.69,422.22],[530.21,450.93],[493.75,512.96],[436.46,414.81]],"evidence":"目标是“TO”下方显示“Man”和“Manchester”的浅色自动补全弹窗。边界框紧贴弹窗外缘，覆盖查询行、建议行和下方浅色表面。正点分布于这些内容和表面；负点位于粉色触摸高亮、左侧定位图标及弹窗外的路线卡和出发卡上。"}},{"name":"April date picker","description":"White calendar popup opened from the departure field, headed “April”, with weekday labels and a date grid used to select the third.","membership":"Includes the entire calendar panel, boundary, heading, weekday labels, dates, and native date-selection styling. Excludes the underlying form, search button, and pink touch indicator.","id":"obj_010","temporal":{"status":"found","start_s":13.75,"end_s":15.25,"reference_s":14.0,"evidence":"目标是从出发日期字段展开的白色“April”日历弹窗，包含星期标签和日期网格。13.75秒首次显示完整面板及日期结构，随后仅改变缩放；15.0秒为最后符合条件的帧。此前13.5秒仅有日期字段，之后15.25秒弹窗已消失，字段显示所选日期。选14.0秒为关键帧，日历边界及网格清晰，遮挡较少。","start_frame":330,"end_frame":366,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[446.88,590.74,540.1,732.41],"positive_points":[[493.75,605.56],[461,629.63],[527.08,638.89],[485.42,639.81],[468.23,686.11],[533.33,721.3]],"negative_points":[[460.42,601.85],[560.94,561.11],[556.25,717.59],[426.56,675]],"evidence":"目标是手机界面中标题为“April”的白色日历弹窗。边界框紧贴整个日历面板，包含标题、星期标签、日期网格及原生选择样式。正点分布在标题、日期和面板表面；负点位于被排除的粉色触摸指示器、底层表单、搜索按钮及弹窗外背景。"}},{"name":"08:00 London–Manchester ticket card","description":"Upper result card offering departure from London at 08:00 and arrival in Manchester at 12:30, with “Travel Time: 4h 30m” and price “£14.50”.","membership":"Includes the rounded card surface, border, route details, price, location icons, overlapping circular bus badge, and purchase-control area. Excludes the lower result card and external interaction glow.","id":"obj_011","temporal":{"status":"found","start_s":17.25,"end_s":19.0,"reference_s":17.5,"evidence":"目标是上方 London 08:00 至 Manchester 12:30、行程 4h 30m、票价 £14.50 的圆角结果卡，含重叠的巴士徽章和购买控件区域。首个完整呈现帧为17.25秒，最后 qualifying 帧为18.75秒；17.00秒卡片仍在滑入揭示，右侧内容被遮裁，19.00秒已切换至商务仪表盘。18.50至18.75秒购买区域的内容变化不改变卡片身份。选17.50秒作为关键帧，卡片完整清晰且无交互光圈遮扰。","start_frame":414,"end_frame":456,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[418.2,288,581.3,468.5],"positive_points":[[453.1,308.3],[427.1,444.4],[468.2,346.3],[471.4,397.2],[546.9,384.3],[542.2,425.9]],"negative_points":[[500,592.6],[502.1,713],[500,259.3],[614.6,388.9]],"evidence":"目标是上方显示 London 08:00、Manchester 12:30、行程 4h 30m 和 £14.50 的车票卡片。边界框覆盖圆角卡面、边框及顶部重叠的公交徽章；正点分布在徽章、卡面、路线文字、价格与购票按钮上。负点位于下方卡片、外部交互光点、上方背景及手机右侧背景，均不属于目标。"}},{"name":"09:15 London–Manchester ticket card","description":"Lower result card offering London at 09:15 to Manchester at 14:15, with “Travel Time: 5h”, price “£11.75”, and a “BUY TICKET” button.","membership":"Includes the card surface, boundary, route information, price, location icons, overlapping bus badge, and purchase button. Excludes the upper result card.","id":"obj_012","temporal":{"status":"found","start_s":17.25,"end_s":19.0,"reference_s":17.5,"evidence":"目标为下方 London 09:15 至 Manchester 14:15 的车票卡，显示 Travel Time: 5h、£11.75 和 BUY TICKET，并包含重叠的巴士徽标。首个完整呈现帧为17.25秒，最后 qualifying 帧为18.75秒；17.00秒卡片仍在进入，右侧被手机屏幕边界裁切，19.00秒已切换为商业仪表板。选择17.50秒作为关键帧，卡片及其全部成员清晰完整，与上方车票卡易于区分。","start_frame":414,"end_frame":456,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[418.2,503.7,581.3,681.5],"positive_points":[[453.1,523.1],[467.7,561.1],[436.5,612.0],[549.5,602.0],[541.7,642.6],[427.1,662.0]],"negative_points":[[499.0,388.9],[498.4,486.1],[499.0,741.7],[597.4,598.1]],"evidence":"目标为下方 London 09:15 至 Manchester 14:15 的票卡，显示 £11.75 和 5h。边界框覆盖卡片表面、边界、全部信息、购买按钮及顶部重叠的巴士徽章。正点分布在徽章、路线、位置图标、价格、按钮和卡片表面；负点位于上方票卡、两卡间隙及目标下方和右侧背景。"}},{"name":"Upper BUY TICKET button","description":"Purchase button inside the £14.50 result card, activated before being replaced by a loading ring.","membership":"Includes the pill-shaped button surface, border, and “BUY TICKET” text. Excludes external glow, the touch marker, and the later replacement ring.","id":"obj_013","temporal":{"status":"found","start_s":17.25,"end_s":18.5,"reference_s":17.5,"evidence":"目标为£14.50上方结果卡内的“BUY TICKET”胶囊按钮，包括表面、边框和文字。首个完整帧为17.25秒，最后符合条件的帧为18.25秒，按压缩放不影响完整性。此前17.00秒按钮仍在进入，右侧被手机显示区域裁切；此后18.50秒按钮已消失，18.75秒出现替代加载环。选择17.50秒作为关键帧，按钮清晰完整且无触摸标记遮挡。","start_frame":414,"end_frame":444,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[509.9,409.3,573.4,443.5],"positive_points":[[516.1,425],[525,416.7],[543.8,425.9],[562.5,419.4],[567.7,430.6],[532.3,437]],"negative_points":[[541.7,643.5],[550.5,385.2],[484.4,435.2],[502.1,713]],"evidence":"目标是上方£14.50车票卡片内的“BUY TICKET”按钮。边界框紧贴胶囊形按钮表面及边框，包含文字，不含外部阴影。六个正点分布在按钮表面和文字区域；四个负点分别位于下方购买按钮、上方价格、左侧卡片区域及粉色触摸标记。"}},{"name":"Ticket purchase loading ring","description":"Small green circular loading graphic replacing the purchase button in the upper ticket result.","membership":"Includes the ring’s outer boundary and enclosed area. Excludes the surrounding ticket information and card boundary.","id":"obj_014","temporal":{"status":"found","start_s":18.75,"end_s":19.0,"reference_s":18.75,"evidence":"18.75秒，上方车票结果卡片的购买按钮位置出现完整的小型绿色加载圆环，符合目标描述；这是首个也是最后一个合格采样帧。此前18.50秒按钮已消失，但尚未显示圆环；此后19.00秒切换到企业仪表板，圆环不再可见。选择18.75秒作为关键帧，圆环清晰且无遮挡。","start_frame":450,"end_frame":456,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[536.98,407.41,559.38,447.22],"positive_points":[[548.44,411.11],[539.58,423.15],[556.25,426.85],[548.44,442.59],[544.79,428.7],[551.04,424.07]],"negative_points":[[548.44,386.11],[571.35,426.85],[526.04,435.19],[541.67,641.67]],"evidence":"目标位于上方车票卡片右下部，是替代购买按钮的绿色加载圆环。边界框紧贴圆环的可见外缘，包含环线及其围住的内部区域；六个正点分布在环线和内部，负点位于上方价格文字、环外卡片区域及下方车票的购买按钮上。"}},{"name":"Chat Assistant launcher","description":"Rounded “Chat Assistant” control at the bottom of the business dashboard’s left sidebar, initially activated to open the conversation panel.","membership":"Includes the button surface, boundary, leading icon, and label. Excludes the hand-shaped cursor and other sidebar items.","id":"obj_015","temporal":{"status":"found","start_s":19.0,"end_s":20.0,"reference_s":19.0,"evidence":"目标是商业仪表盘左侧栏底部带前导图标和“Chat Assistant”标签的圆角控件。首个合格帧为19.00秒；展开对话面板后，该控件仍完整显示在面板顶部，最后合格帧为19.75秒。此前18.75秒仍是公交购票界面；此后20.00秒画面放大到对话内容，目标已移出画面。选择19.00秒作为关键帧，按钮完整清晰且没有手形光标遮挡。","start_frame":456,"end_frame":480,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[166.1,694.4,275.5,738.9],"positive_points":[[174.5,719.4],[185.1,718.5],[200.5,716.7],[223.4,716.7],[248.4,714.8],[267.2,719.4]],"negative_points":[[220,672],[222,762],[298,718],[287,973]],"evidence":"目标是左侧栏底部标有“Chat Assistant”的圆角按钮。边界框紧贴按钮外缘，包含按钮表面、前导图标和完整标签；正点分布在这些区域，负点位于按钮外的侧栏背景、右侧面板及下方手形光标上。"}},{"name":"Chat assistant conversation panel","description":"Tall blue-purple conversation panel shown in close-up, beginning with “Hello! How can I help?”. It accepts “I need statistics for the last month.”, shows animated waiting dots, and replies “Your request has been generated.”","membership":"Includes the complete conversation-panel surface and boundary, message bubbles, avatar icons, waiting animation, bottom text-entry field, and send control. Excludes the surrounding dashboard and external lighting effects.","id":"obj_016","temporal":{"status":"found","start_s":19.75,"end_s":27.25,"reference_s":27.0,"evidence":"目标是蓝紫色聊天会话面板，含头像、问候语、统计请求、等待圆点、生成完成回复及底部输入框和发送控件。19.75秒首次出现完整面板表面与边界；此前19.50秒仅有“Chat Assistant”按钮。面板随后放大展示对话，再缩回仪表板，27.00秒仍完整可见；27.25秒已收起，仅剩按钮。选择27.00秒作为关键帧，面板完整边界及对话内容同时可见，便于与周围仪表板区分。","start_frame":474,"end_frame":654,"reference_frame":648},"grounding":{"status":"found","bbox_xyxy":[166.7,513.9,276,732.4],"positive_points":[[219.8,531.5],[219.3,581.5],[215.6,620.4],[221.4,663.9],[212.5,715.7],[266.1,687]],"negative_points":[[150.5,622.2],[290.1,634.3],[219.3,480.6],[220.8,761.1]],"evidence":"目标位于仪表盘左下方，可由“Chat Assistant”标题及三条指定对话识别。框覆盖完整聊天面板，包括标题、消息气泡、头像、底部输入框和发送按钮，不含外部光晕。正点分布在标题、各条消息、输入框及面板表面；负点位于面板四周的外部背景。"}},{"name":"2.750 analytics card","description":"Leftmost dark summary card under the dashboard analytics heading, showing a circled currency icon, “2.750”, “LOREM IPSUM”, and a downward triangle.","membership":"Includes the complete rounded card, its surface and boundary, icon, value, label, and trend triangle. Excludes neighboring summary cards and the section heading.","id":"obj_017","temporal":{"status":"found","start_s":26.75,"end_s":33.0,"reference_s":32.0,"evidence":"目标是 Analytics 标题下最左侧的深色圆角卡片，包含圆圈货币图标、“2.750”、“LOREM IPSUM”和向下三角。26.75秒首次完整可见，虽有运动模糊但卡片结构已建立；此前26.50秒仅显示聊天区域。最后一个采样帧32.75秒仍完整显示目标，因此区间延续至视频结束33.0秒，之后无采样帧。选择32.0秒作为关键帧，卡片清晰、无遮挡，且易与右侧两张卡片区分。","start_frame":642,"end_frame":792,"reference_frame":768},"grounding":{"status":"found","bbox_xyxy":[262,140,435,256],"positive_points":[[277,164],[293,191],[353,190],[352,219],[418,221],[401,242]],"negative_points":[[313,111],[521,213],[365,278],[250,194]],"evidence":"目标是 Analytics 标题下最左侧显示“2.750”的深色圆角卡片。边界框紧贴完整卡片，包含表面、货币图标、数值、标签和向下三角。六个正点分布在卡片表面及其内容上；四个负点位于上方标题、右侧相邻卡片及卡片左侧和下方的外部背景。"}},{"name":"$750 analytics card","description":"Middle dark summary card with an outlined payment-card icon, “$750”, “LOREM IPSUM”, and an upward triangle.","membership":"Includes the complete card surface, boundary, icon, value, label, and triangle. Excludes the summary cards on either side.","id":"obj_018","temporal":{"status":"found","start_s":26.75,"end_s":33.0,"reference_s":32.75,"evidence":"目标是三张概览卡中间的深色卡片，含支付卡轮廓图标、“$750”、“LOREM IPSUM”和向上三角。26.75秒首次完整呈现，虽随镜头运动而模糊，但卡面及边界已建立；前一帧26.50秒仅显示聊天界面。最后合格帧为32.75秒，目标一直保留至视频结束33.00秒，无后续帧。选择32.75秒作为关键帧，因为卡片正面清晰、无遮挡，易与两侧卡片区分。","start_frame":642,"end_frame":792,"reference_frame":786},"grounding":{"status":"found","bbox_xyxy":[462.5,316.7,608.3,422.2],"positive_points":[[489.6,368.5],[534.4,360.2],[539.1,392.6],[592.2,390.7],[479.2,331.5],[575.5,409.3]],"negative_points":[[385.4,370.4],[687.5,370.4],[541.7,277.8],[541.7,453.7]],"evidence":"目标是三张摘要卡中间显示“$750”的深色卡片。边界框紧贴完整卡片，包含表面、支付卡图标、数值、标签和向上三角。六个正点分布于卡面及各内容区域；四个负点位于左右相邻卡片和目标上、下方的外部背景。"}},{"name":"$5.450 analytics card","description":"Rightmost dark summary card showing a pie-chart icon, “$5.450”, “LOREM IPSUM”, and an upward triangle.","membership":"Includes the complete card surface, boundary, icon, value, label, and triangle. Excludes adjacent cards.","id":"obj_019","temporal":{"status":"found","start_s":26.75,"end_s":33.0,"reference_s":32.0,"evidence":"目标是分析区最右侧的深色摘要卡，含饼图图标、“$5.450”、“LOREM IPSUM”和向上三角。26.75秒首次完整出现，虽有镜头运动模糊，卡面及边界已建立；前一帧26.5秒仅显示聊天区，目标未出现。最后合格帧为32.75秒，卡片仍完整可见，区间延伸至视频末尾33.0秒，无后续帧。选择32.0秒作为关键帧，因为卡片清晰、无遮挡，且与相邻卡片分隔明确。","start_frame":642,"end_frame":792,"reference_frame":768},"grounding":{"status":"found","bbox_xyxy":[628.6,173.1,778.1,278.7],"positive_points":[[645.8,194.4],[656.3,224.1],[700.5,217.6],[718.8,249.1],[764.6,250.9],[682.3,262.0]],"negative_points":[[562.5,213.9],[697.9,143.5],[799.5,238.0],[708.3,307.4]],"evidence":"目标是顶部最右侧显示“$5.450”的深色统计卡片，含饼图图标、LOREM IPSUM及向上三角。边界框紧贴完整卡片外缘；六个正点分布在卡面、图标、数值、标签及三角区域，四个负点位于左侧相邻卡片和目标上方、右侧、下方的外部背景。"}},{"name":"Percentage report card","description":"White report card on the left beneath “Reports”, featuring a circular percentage display that animates from 0% through 3% to a blue half-ring at 50%, with placeholder text below.","membership":"Includes the entire rounded white card, its boundary, animated circular graphic and enclosed center, percentage value, and lower text. Excludes external glow and the neighboring area-chart card.","id":"obj_020","temporal":{"status":"found","start_s":26.75,"end_s":33.0,"reference_s":29.0,"evidence":"目标是“Reports”下方左侧的圆角白色卡片，内含从0%变化至50%的圆形百分比图形和下方占位文字。26.75秒首次出现时卡片边界和表面已完整建立，虽有运动模糊仍符合条件；前一帧26.5秒仅显示聊天界面。最后符合条件的帧为32.75秒，卡片仍完整可见，区间延至视频末尾33.0秒，无后续帧。选择29.0秒作为关键帧，卡片清晰、无遮挡，且易与右侧面积图卡片区分。","start_frame":642,"end_frame":792,"reference_frame":696},"grounding":{"status":"found","bbox_xyxy":[264,318,459,647],"positive_points":[[286,361],[421,374],[309,444],[363,444],[360,594],[426,615]],"negative_points":[[544,443],[307,298],[244,473],[370,694]],"evidence":"目标是“Reports”下方左侧显示50%及蓝色半环的白色报告卡。边界框紧贴整张圆角卡片，包含圆形图形、中心数值和下方文字，不含外部光晕。正点分布在卡面、半环、中心及下方文字区域；负点位于右侧图表卡、上方标题及左侧和下方外部背景。"}},{"name":"Area-chart report card","description":"Wide white report card to the right of the percentage display. An initially empty dotted plot animates into overlapping purple and turquoise filled curves with “2.589” callouts and a two-color legend.","membership":"Includes the complete white card surface and boundary, plot, axis labels, dotted guides, animated filled areas, callout labels and connectors, and legend. Excludes the percentage card and external lighting effects.","id":"obj_021","temporal":{"status":"found","start_s":26.75,"end_s":33.0,"reference_s":31.0,"evidence":"目标是百分比卡右侧的宽白色报告卡，包含虚线坐标网格、紫色与青绿色面积曲线、图例及“2.589”标注。26.75秒卡片表面和边界已完整建立，虽在运动中仍符合条件；此前26.5秒仅显示聊天界面。最后 qualifying 帧为32.75秒，卡片仍完整可见，区间延至视频结尾33.0秒，无后续帧。选择31.0秒作为关键帧，此时卡片较大、边界清晰，曲线、标注及图例均可辨认。","start_frame":642,"end_frame":792,"reference_frame":744},"grounding":{"status":"found","bbox_xyxy":[462,278,888,639],"positive_points":[[495,323],[552,463],[635,415],[805,395],[571,586],[823,586]],"negative_points":[[360,482],[704,226],[692,704],[917,479]],"evidence":"目标是百分比卡片右侧的宽白色面积图报告卡，可见紫色与青绿色重叠曲线、“2.589”标注及双色图例。边框紧贴完整白色卡片，包含绘图区、坐标标签、引导线和图例，不含外部光晕。正点分布在卡片表面、曲线、标注与图例区域；负点位于左侧百分比卡、上方指标卡及卡片外背景。"}},{"name":"Chat Assistant launcher after conversation","description":"Rounded “Chat Assistant” button at the bottom of the sidebar, visible again after the conversation panel closes and the analytics reports appear.","membership":"Includes the button surface, boundary, leading icon, and label. Excludes the surrounding sidebar and other navigation controls.","id":"obj_022","temporal":{"status":"found","start_s":27.25,"end_s":33.0,"reference_s":32.75,"evidence":"目标是对话面板关闭后，侧栏底部重新出现的圆角“Chat Assistant”启动按钮，包括前导图标和文字。首个合格帧为27.25秒；前一帧27.00秒仍显示展开的对话面板。按钮持续存在至最后采样帧32.75秒，期间缩放和视角变化未中断其出现。区间到达视频结尾33.00秒，无后续帧。选择32.75秒作为关键帧，因为按钮完整、无遮挡且视角较正，易于标注。","start_frame":654,"end_frame":792,"reference_frame":786},"grounding":{"status":"found","bbox_xyxy":[169.8,787.0,263.5,825.0],"positive_points":[[176,805],[185,805],[206,806],[233,806],[253,796],[255,815]],"negative_points":[[217,764],[219,848],[285,807],[219,469]],"evidence":"目标是左侧栏底部带前导图标和“Chat Assistant”文字的圆角按钮。边界框紧贴按钮外缘，包含按钮表面、图标及标签；六个正点分布于这些区域，四个负点位于按钮外的侧栏、右侧背景及上方其他导航项。"}}]}
+{"video_id":50,"video_type":"desktop and application interfaces","targets":[{"name":"Kangaroo navigation sidebar","description":"Dark left sidebar headed “Kangaroo Inc.” with Home selected, integration logos, customer and partner navigation, an affiliate-program promotion, Settings, and Help Center.","membership":"Include the complete sidebar surface, outer boundary, account header, navigation, badges, promotional card, and bottom links. Exclude the large empty black content area to its right and the surrounding background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"通过“Kangaroo Inc.”标题、选中的 Home、集成图标、推广卡及底部 Settings 和 Help Center 确认目标。首个合格帧为 0.00 秒，最后为 0.50 秒，侧栏表面及完整外边界均可见；0.75 秒帧中侧栏左下部开始被画面左边界裁切，故不再纳入。视频起点之前无采样帧。选择 0.00 秒作关键帧，边界完整且文字与各组成部分最清晰。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[7,87,270,989],"positive_points":[[171,128],[159,259],[130,408],[142,554],[121,736],[77,926]],"negative_points":[[320,300],[460,780],[40,350],[180,45]],"evidence":"通过“Kangaroo Inc.”标题、选中的 Home、导航菜单及底部推广卡识别左侧栏。边界框覆盖倾斜侧栏的完整表面、外缘、账户标题、菜单、推广卡和底部链接；正点分布于这些区域，负点位于右侧黑色内容区及侧栏外的左侧、上方背景。"}},{"name":"Untitled UI sidebar","description":"Leftmost white sidebar in the four-sidebar comparison, headed “Untitled UI” beneath three colored window dots. It contains Home, store and project links, folder counts, and file-management options.","membership":"Include the white sidebar's complete visible surface, rounded boundary, header, window dots, icons, labels, counts, and separators. Exclude neighboring sidebar examples and the background.","id":"obj_002","temporal":{"status":"found","start_s":3.5,"end_s":4.25,"reference_s":4.0,"evidence":"目标是四栏比较中最左侧的白色侧栏，顶部有三色窗口圆点和“Untitled UI”，下方包含文件夹计数及文件管理选项。首个合格帧为3.50秒，底部选项已完整显现，面板下沿为构图性裁切；此前3.25秒仍在入场，底部选项被画面截断。最后合格帧为4.00秒，4.25秒已切换为文字画面。选择4.00秒作关键帧，因为标题、图标、标签与面板轮廓最清晰。","start_frame":84,"end_frame":102,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[90.8,181.4,278.3,1000],"positive_points":[[117,204],[164,249],[176,316],[147,574],[252,725],[164,942]],"negative_points":[[70,510],[181,144],[293,692],[394,532]],"evidence":"目标是最左侧带三色窗口圆点和“Untitled UI”标题的白色侧栏。边界框覆盖其圆角顶部至图像底边的完整可见面板，包括导航、文件夹计数和底部选项。正点分布于窗口圆点、标题、导航及面板中下部；负点位于外部灰色背景、侧栏间隙和相邻侧栏。"}},{"name":"Publishing and income sidebar","description":"Second white sidebar in the comparison, identified by a black rounded-square logo with a white circular center. Dashboard, Audience, Posts, Schedules, and an expanded Income menu are visible.","membership":"Include this sidebar's surface, boundary, logo, navigation rows, colored count badges, and nested Income options. Exclude the other three sidebars.","id":"obj_003","temporal":{"status":"found","start_s":3.5,"end_s":4.25,"reference_s":4.0,"evidence":"目标是比较画面中从左数第二个白色侧栏，带黑色圆角方形、白色圆心标志，以及展开的 Income 子菜单。3.50 秒至 4.00 秒侧栏主体和所列导航均已呈现，底部为画面的有意裁切；此前 3.25 秒仍在从下方入场，底部内容尚未完全呈现。4.25 秒已切换为文字画面，侧栏消失。选择 4.00 秒作为关键帧，标志、导航、计数徽标和子菜单最清晰。","start_frame":84,"end_frame":102,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[307.6,407.9,484.4,1000],"positive_points":[[332.7,453.1],[380.9,530.4],[459.1,634.5],[374.5,737.0],[395.0,824.7],[462.9,930.6]],"negative_points":[[198.2,618.1],[591.8,728.3],[806.6,620.7],[498.0,701.4]],"evidence":"目标是从左数第二个白色侧栏，顶部有黑色圆角方形及白色圆心标志，并显示 Dashboard、Posts 和展开的 Income 菜单。框覆盖该侧栏从顶部圆角边界到图像底部的全部可见部分。正点分布在标志、导航行、计数徽章、Income 子项及面板表面；负点位于另外三个侧栏和目标右侧的灰色间隔。"}},{"name":"Dashboard comparison statement","description":"Large black text progressively revealing “The same cannot be said about dashboards” on a pale background, with “same” enlarged and “dashboards” italicized.","membership":"Include all words of this single statement throughout its progressive reveal and line wrapping. Exclude the pale background and text shadows.","id":"obj_006","temporal":{"status":"found","start_s":6.0,"end_s":6.75,"reference_s":6.25,"evidence":"目标是浅色背景上的黑色整句“The same cannot be said about dashboards”，其中“same”放大、“dashboards”斜体。6.00秒首次完成全部文字揭示，最后合格帧为6.50秒；前一帧5.75秒尚未出现“dashboards”，后一帧6.75秒文字已消失。选择6.25秒作为关键帧，整句清晰完整且无遮挡。","start_frame":144,"end_frame":162,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[144,231.8,962,762.2],"positive_points":[[186.5,267.4],[309.1,388],[592.8,421],[666,563.4],[440.4,725.7],[944.8,748.3]],"negative_points":[[105,390],[420,170],[795,425],[690,840]],"evidence":"目标为完整黑色陈述“The same cannot be said about dashboards”，其中 same 放大、dashboards 倾斜。边界框紧贴所有文字的整体范围，不含阴影。六个正点分布于各行的实际字形笔画上，四个负点位于文字整体之外的浅色背景。"}},{"name":"Financial dashboard identity header","description":"Upper-left identity group in the white financial dashboard, consisting of a black circular “Nº” mark and the two-line label “Financial Dashboard.”","membership":"Include the circular logo and adjacent two-line identity label as one compact header unit. Exclude the separate menu button, dashboard surface, and other header controls.","id":"obj_007","temporal":{"status":"found","start_s":7.0,"end_s":10.0,"reference_s":8.5,"evidence":"目标为白色金融仪表盘左上角的黑色圆形“Nº”标志及相邻两行“Financial Dashboard”文字，不含左侧菜单按钮。首个合格帧为7.00秒：该组合已完整进入画面，虽有运动模糊，但结构已呈现；此前6.75秒为空白。最后合格帧为9.75秒，10.00秒已切换为其他仪表盘，目标消失。选择8.50秒作为关键帧，标志和文字清晰完整，无遮挡。","start_frame":168,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[201.7,95.5,296.4,144.1],"positive_points":[[212,120],[224,130],[245,113],[276,115],[247,133],[287,135]],"negative_points":[[177,117],[259,78],[256,170],[318,120]],"evidence":"目标位于仪表盘左上角，由黑色圆形“Nº”标志及右侧两行“Financial Dashboard”文字组成。边界框紧贴标志与完整标签；正点分布于圆形标志和两行文字笔画，负点位于左侧独立菜单按钮及该组合外围的空白面板上。"}},{"name":"Date and tasks group","description":"Financial dashboard's upper-left task group, showing a circular “19,” “Tue, December,” a coral “Show my Tasks” button, and a calendar control.","membership":"Include the date disc and its enclosed number, adjacent date text, divider, task button, and calendar control. Exclude the dashboard background and the help prompt to the right.","id":"obj_008","temporal":{"status":"found","start_s":7.0,"end_s":10.0,"reference_s":8.5,"evidence":"目标是金融仪表盘左上方由“19”日期圆盘、“Tue, December”、分隔线、珊瑚色“Show my Tasks”按钮及日历控件组成的任务组。7.00秒首次完整进入画面，虽有运动模糊，但各成员结构已呈现；9.75秒为最后 qualifying 帧。前一帧6.75秒为空白，后一帧10.00秒已切换为另一仪表盘。选择8.50秒作为关键帧，目标清晰完整且无遮挡。","start_frame":168,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[157.2,208.3,449.2,304.7],"positive_points":[[189,256.9],[235.4,249.1],[254.4,268.2],[289.1,260.4],[356.9,264.8],[433.1,269.1]],"negative_points":[[263.7,191],[361.3,316.8],[620.1,260.4],[136.7,260.4]],"evidence":"根据左上方圆形“19”、相邻“Tue, December”、珊瑚色“Show my Tasks”按钮及日历控件识别目标。边界框紧贴这些组件的整体可见范围；六个正点分别落在日期圆盘、两行日期文字、分隔线、任务按钮和日历控件上。负点位于组件外的仪表盘背景及右侧帮助提示，排除这些区域。"}},{"name":"Financial help prompt","description":"Upper-right financial-dashboard text reading “Hey, Need help?” with a waving-hand emoji, followed by “Just ask me anything!”","membership":"Include the two-line prompt and its inline emoji. Exclude the separate microphone button and the underlying dashboard surface.","id":"obj_009","temporal":{"status":"found","start_s":7.0,"end_s":10.0,"reference_s":8.5,"evidence":"目标是财务仪表盘右上方的两行提示“Hey, Need help? 👋”及“Just ask me anything!”，不含麦克风按钮。首个符合帧为7.00秒：文字虽有运动模糊，但两行及表情已完整进入画面；此前6.75秒为空白。最后符合帧为9.75秒，10.00秒已切换为另一仪表盘。选择8.50秒作为关键帧，提示清晰完整，且与旁边麦克风按钮容易区分。","start_frame":168,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[568.8,244.8,756.3,323.8],"positive_points":[[571.3,257.8],[613.8,260.4],[719.7,265.6],[577.6,303.0],[658.7,303.8],[752.9,308.2]],"negative_points":[[812.0,289.1],[659.2,217.0],[659.2,346.4],[537.1,289.9]],"evidence":"目标位于仪表盘右上方，为“Hey, Need help?”及挥手表情和下方“Just ask me anything!”两行提示。边界框紧贴完整文字与表情；正点分布在两行字形和表情上，负点位于独立麦克风按钮及提示上方、下方和左侧的面板背景。"}},{"name":"Voice input control","description":"Standalone white circular microphone control beside the financial dashboard's help prompt.","membership":"Include the circular button surface, boundary, and microphone icon. Exclude the adjacent prompt and surrounding dashboard.","id":"obj_010","temporal":{"status":"found","start_s":7.0,"end_s":10.0,"reference_s":8.5,"evidence":"目标是金融仪表盘帮助提示右侧的白色圆形按钮，中央有麦克风图标。首个合格帧为7.00秒：虽有运动模糊，按钮自身已完整进入画面；最后合格帧为9.75秒。此前6.75秒为空白背景，此后10.00秒切换为另一仪表盘，目标消失。选择8.50秒作为关键帧，按钮表面、圆形边界和图标清晰且无遮挡。","start_frame":168,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[789,247,838,332],"positive_points":[[812,288],[801,275],[818,269],[826,292],[815,315],[798,297]],"negative_points":[[747,300],[775,281],[810,224],[850,304]],"evidence":"目标是帮助提示右侧、中央带黑色麦克风图标的独立白色圆形按钮。边界框紧贴按钮可见外缘，包含按钮表面和图标；正点分布在图标及按钮表面，负点位于左侧提示文字和按钮外围的仪表盘背景。"}},{"name":"Payment account card","description":"Large upper-left financial card headed VISA, showing an account ending in 2719, Direct Debits, Receive and Send controls, and a monthly regular fee of $25.00.","membership":"Include the complete rounded account-card surface and all its contents, including the lower fee and card-limitation section. Exclude the narrow add control to its left and the income cards to its right.","id":"obj_011","temporal":{"status":"found","start_s":7.25,"end_s":10.0,"reference_s":8.5,"evidence":"通过 VISA 标题、尾号 2719、Direct Debits、Receive/Send 和下方 $25.00 月费识别该圆角账户卡，包含费用及卡片限额区域，不含左侧加号和右侧收入卡。首个合格帧为 7.25 秒，卡片表面已完整入画，虽有运动模糊；此前 7.00 秒仍在从下方入场，下部被画面边界裁切。最后合格帧为 9.75 秒，10.00 秒已切换为另一报表页面。选择 8.50 秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":174,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[180,347,417,614],"positive_points":[[213,385],[360,390],[239,449],[237,492],[227,577],[367,575]],"negative_points":[[155,510],[491,450],[247,665],[354,265]],"evidence":"根据 VISA、尾号 2719、Direct Debits 和 $25.00 月费识别出左上方账户卡。边界框覆盖完整圆角卡片及下方月费和卡片限制区域；正点分布于卡片各主要内容，负点位于左侧添加控件、右侧收入卡、下方年度利润面板和上方任务按钮，均不属于目标。"}},{"name":"Total income card","description":"Upper central financial metric card labeled “Total income,” displaying $23,194.80 with a Weekly selector.","membership":"Include the card's rounded surface, boundary, icon, label, amount, and selector. Exclude the Total paid card beneath it.","id":"obj_012","temporal":{"status":"found","start_s":7.0,"end_s":10.0,"reference_s":8.5,"evidence":"目标是金融仪表盘上方中央的圆角卡片，含“Total income”、$23,194.80、图标及 Weekly 选择器，不包括下方 Total paid 卡片。首个合格帧为7.00秒：虽有运动模糊，但该卡片自身表面和边界已完整进入画面；前一帧6.75秒为空白。最后合格帧为9.75秒，10.00秒已切换为另一报表页面。选择8.50秒作为关键帧，卡片清晰、无遮挡，且易与下方卡片区分。","start_frame":168,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[420,354,630,477],"positive_points":[[448,391],[455,429],[470,452],[586,394],[512,385],[605,448]],"negative_points":[[503,552],[368,431],[665,416],[516,322]],"evidence":"目标是上方中央标有“Total income”、金额“$23,194.80”及“Weekly”选择器的卡片。边界框覆盖其圆角表面、图标、文字和选择器；正点分布于这些内容及卡片表面，负点位于下方Total paid卡、左侧银行卡、右侧System Lock和上方外部背景。"}},{"name":"Total paid card","description":"Central financial metric card below Total income, labeled “Total paid” and displaying $8,145.20 with a Weekly selector and “View on chart mode.”","membership":"Include this card's complete surface, boundary, metric, icon, selector, and chart-mode control. Exclude the card above and nearby circular widgets.","id":"obj_013","temporal":{"status":"found","start_s":7.25,"end_s":10.0,"reference_s":8.5,"evidence":"目标是 Total income 下方的 Total paid 卡片，包含 $8,145.20、Weekly 选择器及 View on chart mode 控件，不包括右侧圆形组件。首个合格帧为 7.25 秒，卡片表面和边界已完整进入画面；此前 7.00 秒仍在入场，目标尚被画面下边缘裁切。最后合格帧为 9.75 秒，10.00 秒已切换为另一报表页面。选择 8.50 秒作关键帧，卡片清晰完整，容易与上方卡片及邻近组件区分。","start_frame":174,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[422,475,640,613],"positive_points":[[452,510],[458,552],[470,575],[594,510],[593,571],[526,534]],"negative_points":[[484,443],[676,545],[366,554],[520,660]],"evidence":"目标是中央位于 Total income 下方、显示“Total paid”和“$8,145.20”的卡片。边框覆盖完整卡片表面、图标、Weekly 选择器及图表模式控件。正点分布于这些内容及卡片表面；负点位于上方收入卡、右侧圆形增长率组件、左侧银行卡和下方活动面板。"}},{"name":"System Lock control","description":"Pale circular financial-dashboard control with a lock icon and “System Lock,” above the growth-rate ring.","membership":"Include the entire circular control, its enclosed surface, icon, and label. Exclude the growth-rate ring below.","id":"obj_014","temporal":{"status":"found","start_s":7.0,"end_s":10.0,"reference_s":8.5,"evidence":"目标是财务仪表盘中增长率圆环上方、带锁图标和“System Lock”文字的浅色圆形控件，不包含下方圆环。首个合格帧为7.00秒，控件虽有运动模糊，但自身表面和边界已完整进入画面；前一帧6.75秒为空白。最后合格帧为9.75秒，10.00秒已切换为另一张报表，目标消失。选择8.50秒作为关键帧，控件轮廓及图标文字清楚，无遮挡。","start_frame":168,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[633,361,698,473],"positive_points":[[660,378],[645,412],[664,406],[665,427],[686,417],[667,455]],"negative_points":[[675,542],[736,435],[618,417],[665,331]],"evidence":"目标是增长率圆环上方、带锁图标和“System Lock”文字的浅色圆形控件。边界框紧贴整个圆形控件，包含表面、图标和标签；六个正点分布在这些区域，四个负点位于下方增长率圆环、右侧天数卡片及控件外背景。"}},{"name":"Growth-rate ring","description":"Black circular financial widget displaying “36%” and “Growth rate,” surrounded by coral and gray progress arcs.","membership":"Include the complete outer circular boundary and enclosed area, including the black disc, progress arcs, and central text. Exclude surrounding widgets.","id":"obj_015","temporal":{"status":"found","start_s":7.25,"end_s":10.0,"reference_s":8.5,"evidence":"目标是财务仪表盘中的黑色圆形增长率组件，包含珊瑚色和灰色进度弧及“36% / Growth rate”文字。首个完整呈现帧为7.25秒，最后一个合格帧为9.75秒；此前7.00秒组件随页面入场，下缘仍被画面边界裁切，之后10.00秒已切换为另一仪表盘，目标消失。选择8.50秒作为关键帧，圆盘边界、进度弧和中央文字清楚，且无遮挡。","start_frame":174,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[643.1,487.8,707.5,603.3],"positive_points":[[673.8,505.2],[696.3,538.2],[682.1,586.8],[654.3,564.2],[652.8,519.1],[673.8,544.3]],"negative_points":[[664.1,420.1],[737.8,580.7],[598.1,556.4],[684.1,637.2]],"evidence":"目标是右侧中部显示“36%”和“Growth rate”的黑色圆形组件。边界框紧贴完整圆盘外缘，包含黑色底盘、珊瑚色与灰色进度弧及中央文字。六个正点分布于圆盘内部、进度弧和中央区域；四个负点位于上方锁定组件、右侧股票组件、左侧付款组件及下方活动面板，均避开目标。"}},{"name":"Days summary card","description":"Small upper-right financial card displaying “13 Days,” “109 hours, 23 minutes,” and rows of coral and pale dots.","membership":"Include the complete rounded card surface, icon, text, and dot visualization. Exclude the neighboring year-comparison card.","id":"obj_016","temporal":{"status":"found","start_s":7.0,"end_s":10.0,"reference_s":8.5,"evidence":"目标是财务仪表盘右上方显示“13 Days”“109 hours, 23 minutes”及珊瑚色、浅色圆点的圆角卡片，不包括旁边的年份对比卡。首个合格帧为7.00秒：虽有运动模糊，但卡片自身已完整进入画面；此前6.75秒为空白。最后合格帧为9.75秒，10.00秒已切换为另一张报表页面。选择8.50秒作为关键帧，卡片边界、文字和圆点清楚，无遮挡。","start_frame":168,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[701,363,789,524],"positive_points":[[722,396],[729,435],[745,453],[725,479],[770,495],[755,384]],"negative_points":[[825,439],[665,418],[675,545],[793,607]],"evidence":"目标是右上方显示“13 Days”和“109 hours, 23 minutes”的圆角卡片。边界框覆盖完整卡面、时钟图标、文字及珊瑚色和浅色圆点���正点分布于这些内容及卡面，负点位于相邻年份对比卡、System Lock、增长率圆环和下方股票卡，排除邻近对象。"}},{"name":"Year comparison card","description":"Small financial-dashboard card to the right of the days summary, with a chart icon and vertical markers labeled 2022 and 2023.","membership":"Include the card's surface, rounded boundary, icon, year labels, and vertical comparison lines. Exclude the adjacent days and stock cards.","id":"obj_017","temporal":{"status":"found","start_s":7.0,"end_s":10.0,"reference_s":8.5,"evidence":"目标是金融仪表盘中位于天数摘要右侧、股票卡上方的小型圆角卡片，包含图表图标、2022/2023标签及竖直比较线。7.0秒首次完整可见，虽有运动模糊，但卡片结构已建立；最后合格帧为9.75秒。此前6.75秒为空白背景，之后10.0秒已切换为另一报表页面。选择8.5秒作为关键帧，此时卡片边界与年份标记清晰，无遮挡。","start_frame":168,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[783,366,870,524],"positive_points":[[806,403],[814,454],[838,436],[845,493],[826,389],[818,504]],"negative_points":[[751,439],[834,572],[885,445],[827,344]],"evidence":"目标是天数摘要右侧、股票卡片上方的年份比较卡，包含图表图标及2022、2023标签。边界框紧贴整张圆角卡片的可见范围；正点覆盖卡面、图标、年份标签和竖向比较线，负点位于相邻天数卡、股票卡及卡外背景。"}},{"name":"Main Stocks card","description":"Right-side financial card labeled “Main Stocks,” showing $16,073.49, a coral sparkline, and +9.3%.","membership":"Include the complete rounded stock-card surface, boundary, icon, amount, open sparkline, labels, and percentage badge. Exclude the review card below.","id":"obj_018","temporal":{"status":"found","start_s":7.25,"end_s":10.0,"reference_s":8.0,"evidence":"目标是财务仪表盘右侧的圆角“Main Stocks”卡片，含 $16,073.49、珊瑚色折线及 +9.3%，不含下方评价卡。首个合格帧为7.25秒，虽有运动模糊，但卡片表面与边界已完整入画；此前7.00秒仍在入场且被画面下缘裁切。最后合格帧为9.75秒，10.00秒已切换为另一报表页面。选择8.00秒作为关键帧，卡片完整清晰，且与下方评价卡容易区分。","start_frame":174,"end_frame":240,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[698,532,869,701],"positive_points":[[722,570],[817,569],[770,600],[748,650],[835,656],[750,568]],"negative_points":[[661,549],[790,823],[728,445],[884,614]],"evidence":"根据右侧卡片中的“Main Stocks”、$16,073.49、珊瑚色折线和+9.3%定位。边界框覆盖完整圆角卡片及其内部内容；正点分布于图标、金额、折线、标题、百分比和卡片表面，负点位于下方评价卡、左侧增长率圆环、上方天数卡及右侧外部背景。"}},{"name":"Annual profits chart","description":"Large lower-left financial panel headed “Annual profits,” with a 2023 selector and nested coral circles labeled $14K, $9.3K, $6.8K, and $4K.","membership":"Include the whole rounded chart panel, heading, selector, nested circular areas, and value labels, including portions visible as the dashboard moves. Exclude adjacent activity cards and surrounding dashboard surface.","id":"obj_019","temporal":{"status":"found","start_s":7.75,"end_s":10.0,"reference_s":8.0,"evidence":"目标是金融仪表盘左下角的“Annual profits”圆角面板，含2023选择器及四层珊瑚色圆形金额图。首个合格帧为7.75秒，四个金额标签均已呈现；7.50秒仍在入场，底部内容尚被画面边缘截住。随后保留随仪表盘移动的局部裁切展示，最后合格帧为9.75秒；10.00秒已切换为另一张报表。选择8.00秒作为关键帧，标题、选择器及嵌套圆形清晰，容易与右侧活动卡片区分。","start_frame":186,"end_frame":240,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[128,627,369,1000],"positive_points":[[190,671],[311,665],[249,762],[250,827],[248,895],[252,977]],"negative_points":[[112,857],[236,581],[438,800],[421,659]],"evidence":"目标是左下方标题为“Annual profits”的圆角图表面板，含2023选择器及四层珊瑚色圆形和金额标签。框覆盖整个可见面板，下部延伸至图像边缘。正点分布于标题、选择器和各层圆形；负点位于左侧外部背景、上方费用区域及右侧活动面板。"}},{"name":"Activity manager panel","description":"Large lower-central financial panel headed “Activity manager.” Search and filter controls sit above a $43.20 bar-chart card, a Business plans workflow, and Wallet Verification.","membership":"Include the complete panel surface and boundary, heading, search and filter controls, and all three internal cards with their charts, workflow, text, and buttons. Exclude the Annual profits and review panels.","id":"obj_020","temporal":{"status":"found","start_s":7.75,"end_s":9.5,"reference_s":8.5,"evidence":"目标是金融仪表盘下方中央的“Activity manager”面板，包含搜索筛选栏、$43.20 图表、Business plans 和 Wallet Verification 三张卡片。首个完整呈现的采样帧为7.75秒，最后为9.25秒；此前7.50秒面板下缘仍受画面边界裁切，之后9.50秒下缘再次开始被裁切。选择8.50秒作为关键帧，面板边界及内部三张卡片清晰，且易于与左右相邻面板区分。","start_frame":186,"end_frame":228,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[368,616,737,1000],"positive_points":[[427,661],[463,712],[677,653],[442,851],[558,867],[665,882]],"negative_points":[[252,827],[812,834],[524,548],[300,491]],"evidence":"根据“Activity manager”标题及下方三个功能卡片定位。边界框覆盖下方中央面板的完整可见区域，包括搜索、筛选、$43.20图表、Business plans和Wallet Verification，底部截至图像边缘。正点分布于标题、控件和三个卡片；负点位于左侧Annual profits、右侧评价面板及上方独立财务卡片。"}},{"name":"Business review card","description":"Lower-right financial card asking “How is your business management going?” with carousel indicators, a close control, and five face-rating choices.","membership":"Include the complete rounded review-card surface, boundary, text, indicators, close control, and rating icons. Exclude the Main Stocks card above.","id":"obj_021","temporal":{"status":"found","start_s":7.5,"end_s":10.0,"reference_s":8.5,"evidence":"目标是金融仪表盘右下角、Main Stocks 卡片下方的圆角评价卡，含“How is your business management going?”、轮播指示点、关闭控件及五个表情评分。首个完整呈现帧为7.50秒，最后合格帧为9.75秒；此前7.25秒卡片仍随入场被画面底边裁切，之后10.00秒已切换为另一仪表盘。选择8.50秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":180,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[729,706,918,978],"positive_points":[[790,752],[873,747],[797,833],[775,914],[888,906],[841,949]],"negative_points":[[799,649],[693,863],[948,857],[677,544]],"evidence":"目标是右下角含“How is your business management going?”文字的评价卡片。边界框覆盖完整圆角卡面、轮播指示点、关闭控件和五个表情评分按钮；正点分布于这些内容及卡面，负点位于上方Main Stocks卡、左侧其他卡片、增长率圆图及右侧外部背景。"}},{"name":"Codename navigation sidebar","description":"Left navigation area of the final sales dashboard, headed “Codename.com.” A circular-icon rail accompanies a tree of dashboards and reports, with “New report” highlighted in magenta.","membership":"Include the shared sidebar surface, icon rail, workspace header, navigation tree, connecting lines, badges, and Manage folders entry. Exclude the report content surface to its right and the external background.","id":"obj_022","temporal":{"status":"found","start_s":10.0,"end_s":11.25,"reference_s":10.25,"evidence":"通过“Codename.com”标题、圆形图标栏、树状导航及洋红色“New report”识别目标。10.00秒首次完整呈现，11.00秒为最后合格帧；此前9.75秒仍是另一款财务仪表盘，随后11.25秒侧栏随页面上移，顶部边界开始被画面裁切。选择10.25秒作为关键帧，侧栏结构清晰，标题、导航树和Manage folders均可辨认。","start_frame":240,"end_frame":270,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[236,61,488,1000],"positive_points":[[381,109],[290,277],[381,423],[301,704],[382,861],[388,958]],"negative_points":[[195,473],[611,116],[571,389],[803,722]],"evidence":"根据顶部“Codename.com”、左侧圆形图标栏及洋红色“New report”识别该导航侧栏。框覆盖可见的侧栏共享底面、工作区标题、导航树与连接线、徽标和底部 Manage folders，底边止于图像边缘。正点分布于标题、图标栏、树条目、侧栏底面及底部入口；负点位于左侧外部背景、顶部搜索框和右侧报告内容区域。"}},{"name":"Report collaborator controls","description":"Compact row above “New report,” containing an add button, avatar chips labeled “Armin A.,” “Eren Y.,” and “Mikasa A.,” and a circular C control.","membership":"Include the complete row of circular controls and avatar-name chips, including their surfaces and boundaries. Exclude the search field above and report title below.","id":"obj_023","temporal":{"status":"found","start_s":10.0,"end_s":12.75,"reference_s":10.25,"evidence":"目标是“New report”上方由加号按钮、Armin A.、Eren Y.、Mikasa A.头像姓名芯片及圆形C控件组成的完整横排。首个合格帧为10.00秒，前一帧9.75秒仍是另一张财务仪表盘；最后合格帧为12.50秒，12.75秒该横排上移并开始被画面顶部裁切。选择10.25秒作为关键帧，因为整排控件边界清晰、完整且无遮挡。","start_frame":240,"end_frame":306,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[498,188,783,233],"positive_points":[[510.3,206.6],[540.5,207.5],[571.8,209.2],[639.2,210.9],[718.8,211.8],[771,212.7]],"negative_points":[[609,115.5],[570.8,282.1],[655.3,252.6],[467.8,209.2]],"evidence":"目标位于“New report”上方，由加号圆形按钮、Armin A.、Eren Y.、Mikasa A.头像姓名标签及圆形C控件组成。边界框紧贴整排控件的可见范围；正点分布于各按钮和标签表面，负点位于上方搜索框、下方标题及整排控件外侧背景。"}},{"name":"New report heading","description":"Large pale-gray “New report” title at the top of the final dashboard's main content area.","membership":"Include only the heading text. Exclude the collaborator controls, revenue summary, and backing report surface.","id":"obj_024","temporal":{"status":"found","start_s":10.0,"end_s":13.0,"reference_s":10.0,"evidence":"目标是最后一个仪表盘主内容区顶部、Revenue 上方的浅灰色大标题“New report”，仅包含标题文字。10.00秒首次完整出现，至最后采样帧12.75秒仍完整可见；此前9.75秒显示的是另一个金融仪表盘，没有该标题。区间延续至视频结束13.00秒，之后无采样帧。选择10.00秒作为关键帧，因为标题清晰、无遮挡，且与上方协作者控件及下方营收摘要易于区分。","start_frame":240,"end_frame":312,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[504.9,281.3,626.5,318.6],"positive_points":[[507.3,295.1],[527.3,295.1],[539.6,296.9],[562.0,298.6],[584.0,311.6],[621.1,299.5]],"negative_points":[[570.3,225.7],[537.1,361.1],[479.5,296.9],[654.3,297.7]],"evidence":"目标是主内容区顶部、协作者控件下方的浅灰色大标题“New report”。边界框仅覆盖完整标题文字；六个正点分布在标题字形上，负点位于上方协作者控件、下方 Revenue 文字及左右外部背景，排除报告底板与其他内容。"}},{"name":"Revenue summary","description":"Primary sales metric block labeled “Revenue,” showing $528,976.82, magenta 7.9% and $27,335.09 badges, and a previous-value comparison with the Jun 1–Aug 31, 2023 date range.","membership":"Include the Revenue label, main amount, adjoining change badges, and the compact comparison-and-date line beneath them. Exclude the New report title, adjacent sales cards, and backing dashboard surface.","id":"obj_025","temporal":{"status":"found","start_s":10.0,"end_s":13.0,"reference_s":10.5,"evidence":"目标由“Revenue”标签、$528,976.82 主金额、洋红色 7.9% 与 $27,335.09 徽章，以及下方前值比较和 Jun 1–Aug 31, 2023 日期行共同确定。首个合格帧为 10.00 秒，全部指定内容已完整显示；此前 9.75 秒为另一款财务仪表盘，没有该目标。最后合格帧为 12.75 秒，目标仍完整可见，因此区间延至视频结束 13.00 秒，之后无采样帧。选择 10.50 秒作为关键帧，文字及徽章清晰、无遮挡，易与上方标题和右侧销售卡片区分。","start_frame":240,"end_frame":312,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[496.6,316.8,751.5,433.2],"positive_points":[[515,328],[547,372],[666,376],[720,376],[557,423],[653,423]],"negative_points":[[557,266],[854,377],[578,456],[716,327]],"evidence":"通过“Revenue”、主金额 $528,976.82、两个洋红色变化徽章及下方比较值和日期行识别目标。边界框紧贴这些内容；六个正点分布在标签、金额、徽章和底部文字上，负点位于 New report 标题、右侧销售卡片及目标外的仪表板背景。"}},{"name":"Top sales card","description":"Small white card to the right of the revenue summary, labeled “Top sales,” with 72 and a cyan-backed avatar beside “Mikasa.”","membership":"Include the card's complete visible surface, boundary, heading, value, avatar, name, and arrow control. Exclude the black Best deal card beside it.","id":"obj_026","temporal":{"status":"found","start_s":10.0,"end_s":13.0,"reference_s":10.0,"evidence":"目标是收入摘要右侧的白色“Top sales”卡片，包含72、青色背景头像、Mikasa及箭头，与旁边黑色“Best deal”卡片区分。首个合格帧为10.00秒，卡片表面及边界已完整呈现；此前9.75秒仍是另一款财务仪表盘。最后合格帧为12.75秒，目标仍完整可见，区间延续至视频结束13.00秒，之后无采样帧。选择10.00秒作为关键帧，卡片内容清楚且无遮挡。","start_frame":240,"end_frame":312,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[801,355,918,466],"positive_points":[[828,378],[819,410],[824,440],[847,442],[903,441],[887,394]],"negative_points":[[952,409],[854,326],[783,408],[854,484]],"evidence":"目标是收入摘要右侧标有“Top sales”、数值72及青色头像和“Mikasa”的白色卡片。边界框覆盖卡片完整可见表面与边界；正点分布于标题、数值、头像、姓名、箭头和卡片表面，负点位于右侧黑色Best deal卡片及目标外围背景。"}},{"name":"Best deal card","description":"Black card beside Top sales, labeled “Best deal,” displaying $42,300 and “Rolf Inc.”","membership":"Include the black rounded card surface and all visible text within its boundary. Exclude the neighboring Top sales card and surrounding report.","id":"obj_027","temporal":{"status":"found","start_s":10.0,"end_s":13.0,"reference_s":10.0,"evidence":"目标是 Top sales 右侧的黑色圆角卡片，内有“Best deal”“$42,300”和“Rolf Inc.”。首次合格帧为10.00秒，卡片已随完整报表画面出现，右侧为镜头构图裁切而非入场中的未完成揭示；最后合格帧为12.75秒。前一帧9.75秒仍是另一张 Financial Dashboard，没有该卡片；目标持续至视频末尾，无后续帧。选择10.00秒作关键帧，因为卡片可见面积较大，标签及金额清晰，与邻近白色卡片容易区分。","start_frame":240,"end_frame":312,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[916.5,357,1000,464.4],"positive_points":[[930,379],[952,410],[950,443],[985,375],[988,437],[936,453]],"negative_points":[[855,411],[951,325],[945,487],[887,522]],"evidence":"根据“Best deal”“$42,300”和“Rolf Inc.”识别出右侧黑色圆角卡片。边界框紧贴其可见表面，右边截止于图像边缘；正点分布在卡片文字和黑色表面上，负点位于左邻Top sales卡片及上下方报告背景中。"}},{"name":"Salesperson revenue breakdown","description":"Horizontal strip beneath the revenue summary, containing avatar-led segments with amounts and percentages, including $209,633 at 39.63% and $156,841 at 29.65%.","membership":"Include the full visible segmented breakdown strip, its rounded segment surfaces, avatars, amounts, and percentages. Exclude the summary above and charts below.","id":"obj_028","temporal":{"status":"found","start_s":10.0,"end_s":13.0,"reference_s":10.0,"evidence":"目标是 Revenue 汇总下方、图表上方的横向圆角分段条，含头像、$209,633／39.63% 和 $156,841／29.65% 等业绩数据。首个合格帧为10.00秒，条带结构已完整建立；此前9.75秒仍是另一张金融仪表板，没有该目标。最后合格帧为12.75秒，条带持续可见，右侧截取属于页面构图，未见退出过程；区间延续至13.00秒视频结束，无后续采样帧。选择10.00秒作为关键帧，因为分段表面、头像及数值清晰，且与上方汇总和下方图表容易区分。","start_frame":240,"end_frame":312,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[509,497,1000,547],"positive_points":[[524,522],[593,516],[737,524],[777,520],[891,532],[955,521]],"negative_points":[[581,405],[627,619],[850,413],[704,565]],"evidence":"目标是收入摘要下方的横向销售人员收入分段条，可见 $209,633、39.63% 及 $156,841、29.65%。边界框覆盖整条可见的圆角分段表面、头像、金额和百分比，右端止于图像边缘。正点分布在各分段的头像、文字及表面；负点位于上方摘要与销售卡片、下方图表及条带外部空白。"}},{"name":"Referral revenue list","description":"Lower-left report card with a list-view control and Filters button. Four rows show Dribbble, Instagram, Behance, and Google with revenue amounts and percentages.","membership":"Include the complete rounded list-card surface, header controls, and all four platform rows with logos, names, amounts, and percentage badges. Exclude the neighboring referral bar chart.","id":"obj_029","temporal":{"status":"found","start_s":10.0,"end_s":13.0,"reference_s":10.5,"evidence":"目标是报告区左下方的圆角列表卡，含列表视图控件、Filters 按钮，以及 Dribbble、Instagram、Behance、Google 四行收入和百分比；右侧柱状图不属于目标。首个合格帧为 10.00 秒，卡片已完整出现；此前 9.75 秒仍是另一张财务仪表盘。最后合格帧为 12.75 秒，目标仍完整可见，区间延至视频结束 13.00 秒，之后无采样帧。选择 10.50 秒作为关键帧，卡片边界、控件及四行内容清晰且无遮挡。","start_frame":240,"end_frame":312,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[500,554,710,912],"positive_points":[[525,596],[655,595],[550,665],[620,729],[563,792],[627,856]],"negative_points":[[774,749],[637,533],[479,758],[664,957]],"evidence":"目标是报告区左下方的圆角列表卡片，顶部有列表视图控件和 Filters 按钮，下方依次列出 Dribbble、Instagram、Behance、Google 的收入及百分比。边框覆盖完整卡片表面、顶部控件与四行内容；六个正点分布于控件和各平台行，负点位于右侧柱状图、卡片上方空隙、左侧区域及下方另一张卡片。"}},{"name":"Referral category bar chart","description":"Report card beside the referral list, containing five rounded vertical bars with platform or shopping-bag logos and the caption “Deals amount by referrer category.”","membership":"Include the complete rounded chart-card surface, chart-type and filter controls, all bars and their logos, and the bottom caption and selector. Exclude the referral list and salesperson table.","id":"obj_030","temporal":{"status":"found","start_s":10.0,"end_s":13.0,"reference_s":10.5,"evidence":"目标是推荐来源列表右侧的圆角图表卡，包含五根带平台或购物袋标志的竖条、顶部图表类型和筛选控件，以及底部“Deals amount by referrer category”说明与选择器。首个合格帧为10.00秒，卡片表面与边界已完整呈现；此前9.75秒仍是另一金融仪表盘。最后合格帧为12.75秒，目标仍完整可见，区间延续至视频结束13.00秒，无后续帧。选择10.50秒作为关键帧，卡片及内部元素清晰，且易与左侧列表和右侧销售人员表区分。","start_frame":240,"end_frame":312,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[699,553,917,909],"positive_points":[[723,594],[850,595],[734,751],[768,677],[876,753],[788,866]],"negative_points":[[616,727],[946,666],[804,529],[801,953]],"evidence":"目标是推荐来源列表右侧、含五根平台图标竖条及“Deals amount by referrer category”说明的圆角图表卡片。边界框覆盖完整卡片表面、顶部图表类型与筛选控件、所有柱条和底部说明及选择器。正点分布在控件、柱条和说明区域；负点位于左侧列表、右侧销售人员表、上方空隙及下方另一张卡片。"}},{"name":"Sales performance table","description":"Partially cropped report panel on the right, showing a Sales column with avatar-name rows including “Armin A.” and “Mikasa A.,” plus expanded sales details and a “Top sales” badge.","membership":"Include the visible table and its associated expanded detail area, including column headings, row surfaces, avatars, names, metrics, and platform details. Exclude the adjacent referral chart and the summary cards above.","id":"obj_031","temporal":{"status":"found","start_s":10.0,"end_s":13.0,"reference_s":10.0,"evidence":"目标是报告页面右侧有意裁切的销售表现表，可见 Sales 列、Armin A. 与 Mikasa A. 的头像姓名行，以及含 Top sales 徽章和平台信息的展开详情；不含左邻推荐来源图及上方摘要卡。首个合格帧为10.00秒，前一帧9.75秒仍是另一财务仪表盘。最后合格帧为12.75秒，目标持续至视频结束13.00秒，无后续采样帧。选择10.00秒作关键帧，因为表格行与展开详情较清晰，便于区分相邻面板。","start_frame":240,"end_frame":312,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[900,572,1000,1000],"positive_points":[[917,590],[947,628],[925,688],[957,742],[974,848],[978,967]],"negative_points":[[805,765],[854,415],[858,520],[849,972]],"evidence":"目标是右侧被图像边缘裁切的销售表现表，可见 Sales 表头、Armin A. 和 Mikasa A. 行及 Top sales 徽章。框覆盖可见表格和向下展开的平台、指标详情；正点分布在表头、姓名行、头像、徽章和详情内容上，负点位于左侧推荐来源图表、上方摘要卡与贡献条及下方相邻面板。"}},{"name":"Dribbble platform-value panel","description":"Wide panel entering along the bottom of the final report, headed “Platform value” and “Dribbble.” It contains Revenue, Leads, and W/L tabs, a magenta revenue tile, and a chart with value labels.","membership":"Include the complete visible portion of this panel's surface and boundary, heading and platform logo, tabs, magenta metric tile, and chart contents. Exclude the referral cards above and neighboring sales-detail panel.","id":"obj_032","temporal":{"status":"found","start_s":10.0,"end_s":13.0,"reference_s":12.75,"evidence":"通过“Platform value / Dribbble”标题、粉色平台图标及 Revenue、Leads、W/L 标签识别目标。首个合格帧为10.00秒，面板已作为完整报表中的裁切区域出现；随后镜头移动展示更多洋红色指标块和图表，并非面板逐步构建。最后合格帧为12.75秒。前一帧9.75秒仍是另一款财务仪表板；区间延伸至视频结尾，无后续帧。选择12.75秒作为关键帧，因为目标可见面积最大，标题、标签、指标块及图表数值均较清楚。","start_frame":240,"end_frame":312,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[432,810,948,1000],"positive_points":[[466,859],[531,848],[774,873],[847,879],[506,963],[708,957]],"negative_points":[[562,752],[802,755],[976,840],[405,917]],"evidence":"目标是图像底部带“Platform value / Dribbble”标题的宽面板。边框覆盖其全部可见表面，包括平台标志、Revenue/Leads/W/L 标签、洋红收入块和底部截断的图表。正点分布在标题、标志、标签、收入块及图表标签上；负点位于上方推荐来源卡片、右侧销售详情区域和左侧面板外背景。"}}]}
+{"video_id":51,"video_type":"desktop and application interfaces","targets":[{"name":"Navigation sidebar","description":"Tall dark-blue panel on the left. It progressively reveals an account selector, highlighted HOME row, business navigation links, and a PREFERENCE section with settings and filtering options.","membership":"Includes the sidebar surface, outline, account selector, navigation icons, labels, and selected-row backing. Excludes the surrounding luminous application frame and the main workspace.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":5.5,"evidence":"目标是工作区左侧的高大深蓝色导航侧栏，不含外围发光框。0.00秒时侧栏表面与轮廓已完整建立，后续账户选择器、HOME高亮行及导航文字逐步出现不影响面板起点。最后一个合格采样帧为14.75秒，侧栏仍完整可见，因此区间延续至15.00秒。区间已覆盖视频首尾，两端均无外侧采样帧。选择5.50秒作为关键帧，此时侧栏内容齐全，鼠标位于主工作区，目标边界清晰且无遮挡。","start_frame":0,"end_frame":360,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[210.9,71.3,332.8,925.9],"positive_points":[[278.6,112.0],[267.2,186.1],[275.0,267.6],[255.2,419.4],[258.3,606.5],[280.2,816.7]],"negative_points":[[203.1,500.0],[370.8,458.3],[439.6,118.5],[171.9,555.6]],"evidence":"目标是左侧高而窄的深蓝色导航栏，包含账户选择器、HOME高亮行、业务导航及PREFERENCE选项。边界框紧贴侧栏表面和轮廓；正点分布在顶部表面、账户区、导航行、设置区及下部表面，负点位于发光外框、主工作区、搜索栏和应用外黑色背景。"}},{"name":"Search field","description":"Rounded blue-gradient field at the upper left of the workspace, containing a magnifying glass and the placeholder “Search”.","membership":"Includes the rounded field surface and boundary, magnifying-glass icon, and placeholder text. Excludes the animated pointer and surrounding header background.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":2.75,"evidence":"目标是工作区左上方的蓝色渐变圆角搜索框，包含放大镜图标和“Search”占位文字，不包含指针。0.00秒首帧中这些结构已完整显示，至14.75秒最后一帧持续存在，未见淡出或移除，因此区间为[0,15)。区间到达视频首尾，两端均无外侧采样帧。选择2.75秒作为关键帧，此时指针已移开，搜索框边界、图标及文字清晰且无遮挡。","start_frame":0,"end_frame":360,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[348.4,98.1,545.3,139.8],"positive_points":[[362.5,118.5],[387.5,118.5],[424.5,108.3],[460.4,126.9],[496.4,114.8],[535.4,120.4]],"negative_points":[[440.6,76.9],[569.8,120.4],[445.3,162.0],[409.4,258.3]],"evidence":"目标为工作区左上方带放大镜和“Search”占位文字的圆角蓝色渐变搜索框。边界框紧贴整个搜索框，包含表面、边界、图标和文字；正点分布于图标、文字及框内不同位置，负点位于外围页眉背景和下方的动画指针上。"}},{"name":"Header utility controls","description":"Compact horizontal group at the upper right, progressively revealing an application-grid icon, message bubble, and notification bell on circular blue backings.","membership":"Includes the three circular controls and their enclosed icons. Excludes the intervening header background, surrounding glow, and pointer.","id":"obj_003","temporal":{"status":"found","start_s":0.75,"end_s":15.0,"reference_s":5.0,"evidence":"目标是右上角横向排列的应用网格、消息气泡和通知铃铛三个蓝色圆形控件。0.50秒时网格控件仍在初始显现，至0.75秒三个圆形底板及内部图标均已完整呈现；之后的缩放不影响其完整性。最后合格帧为14.75秒，目标仍然存在，视频结束后无相邻帧。选择5.00秒作为关键帧，三个控件清晰且未被指针遮挡。","start_frame":18,"end_frame":360,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[727.6,98.1,810.0,138.9],"positive_points":[[737.5,113.9],[741.1,128.7],[768.8,115.7],[764.6,129.6],[798.4,115.7],[803.1,126.9]],"negative_points":[[718.8,116.7],[755.2,79.6],[783.9,162.0],[822.9,117.6]],"evidence":"目标位于页眉右上角，由应用网格、消息气泡和通知铃铛三个蓝色圆形控件组成。边界框紧密包围三个控件，正点分布在各圆形底面及图标上；负点位于整组控件外围的页眉背景，避开控件与光晕。"}},{"name":"Account selector","description":"Selector near the top of the sidebar, with a circular portrait, “JASIM UDDIN”, a business-owner role line, and a downward chevron. The pointer pauses over it.","membership":"Includes the selector's rectangular backing, portrait, both text lines, and chevron. Remains part of the sidebar region; excludes the overlaid pointer.","id":"obj_004","temporal":{"status":"found","start_s":2.0,"end_s":15.0,"reference_s":5.5,"evidence":"目标是侧栏顶部带矩形底板、圆形头像、“JASIM UDDIN”、身份文字及向下箭头的账户选择器，不含指针。1.75秒尚未出现；2.0秒各组成部分已完整可见，随后仅放大，故从2.0秒计入。最后合格帧为14.75秒，仍完整显示，区间延续至视频结束15.0秒，之后无采样帧。选择5.5秒作关键帧，此时选择器清晰，指针已移开，无遮挡。","start_frame":48,"end_frame":360,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[216.7,162.9,326.6,210.2],"positive_points":[[229.2,185.2],[250.5,179.6],[274.5,179.6],[270.3,197.2],[311.5,186.1],[320.3,201.9]],"negative_points":[[270.8,135.2],[270.8,267.6],[343.8,187.0],[520.3,442.6]],"evidence":"目标位于左侧栏顶部，以圆形头像、“JASIM UDDIN”、角色文字和下拉箭头识别。边界框紧贴选择器矩形底板，包含头像、两行文字及箭头。六个正点分布于这些内容和底板；负点位于上方侧栏背景、下方 HOME 项、右侧主面板及被排除的指针上。"}},{"name":"Motionvision Media heading","description":"Main introductory text block below the header divider: “Motionvision Media” in white above “Turning vision into motion” in a blue gradient.","membership":"Includes both lines of heading text throughout their progressive reveal. Excludes the workspace background, divider, adjacent action buttons, and pointer.","id":"obj_005","temporal":{"status":"found","start_s":4.25,"end_s":15.0,"reference_s":5.5,"evidence":"目标是分隔线下方的双行标题：白色“Motionvision Media”和蓝色渐变“Turning vision into motion”。4.25秒两行文字均已完整显现，之后的位置移动不影响纳入；前一帧4.00秒仅有仍在淡入的首行，第二行尚未出现。最后合格帧为14.75秒，标题仍完整可见，区间延续至视频结束15.00秒，无后续采样帧。选择5.50秒作为关键帧，两行文字清晰且指针未遮挡标题。","start_frame":102,"end_frame":360,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[347.4,197.2,579.2,281.5],"positive_points":[[350,214],[489.6,214],[544.8,219.4],[354.2,253.7],[461.5,265.7],[576,265.7]],"negative_points":[[442.7,166.7],[639.1,265.7],[519.8,444.4],[427.1,314.8]],"evidence":"目标是分隔线下方的双行主标题：白色“Motionvision Media”和蓝色渐变“Turning vision into motion”。边界框紧密覆盖两行完整文字；六个正点分布在两行左、中、右部的字形笔画上，负点位于上方背景、右侧Cloud按钮、下方指针及标题下方工作区背景。"}},{"name":"Cloud button","description":"Small rounded blue action button labeled “Cloud”, with a white cloud icon, to the right of the introductory text.","membership":"Includes the pill-shaped button surface, boundary, cloud icon, and label. Excludes adjacent buttons and surrounding background.","id":"obj_006","temporal":{"status":"found","start_s":4.5,"end_s":15.0,"reference_s":5.25,"evidence":"目标是介绍文字右侧、Setting按钮左侧的蓝色圆角Cloud按钮，包含白色云图标和标签。4.25秒尚未出现；4.50秒首次显示完整按钮，虽尺寸较小但结构、图标和标签已齐全，后续缩放不影响纳入。最后合格帧为14.75秒，持续至视频结束15.00秒，之后无采样帧。选择5.25秒作为关键帧，按钮清晰完整且无遮挡。","start_frame":108,"end_frame":360,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[616.1,250,662.5,283.3],"positive_points":[[622.4,264.8],[628.1,261.1],[635.4,273.1],[647.4,263.9],[657.3,269.4],[641.1,255.6]],"negative_points":[[697.9,266.7],[638,222.2],[638,307.4],[562.5,262]],"evidence":"目标是介绍文字右侧、Setting 按钮左侧带白色云图标和“Cloud”标签的圆角按钮。边界框紧贴完整按钮，涵盖表面、边界、图标和文字；正点分布在按钮各部分，负点位于相邻 Setting 按钮、左侧介绍文字及按钮上下的外部背景。"}},{"name":"Setting button","description":"Rounded blue action button labeled “Setting”, with a gear icon, between Cloud and Profile. The pointer pauses over it.","membership":"Includes the button surface, rounded boundary, gear icon, and label. Excludes the pointer and neighboring buttons.","id":"obj_007","temporal":{"status":"found","start_s":4.75,"end_s":15.0,"reference_s":5.25,"evidence":"目标是 Cloud 与 Profile 之间带齿轮图标及“Setting”文字的蓝色圆角按钮，不含指针。4.75 秒时按钮边界、表面、图标和文字已完整出现，后续缩放不影响其完整性；前一帧 4.50 秒尚未出现该按钮。最后合格帧为 14.75 秒，目标仍完整可见，因此区间延续至视频结束 15.00 秒，之后无采样帧。选择 5.25 秒作为关键帧，按钮清晰且没有指针遮挡。","start_frame":114,"end_frame":360,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[667.7,250,733.3,283.3],"positive_points":[[675,264.8],[685.4,270.4],[695.8,263.9],[707.3,266.7],[722.4,264.8],[702.1,277.8]],"negative_points":[[639,266],[772,266],[702,231],[702,306]],"evidence":"目标是位于 Cloud 与 Profile 之间、带齿轮图标和“Setting”文字的蓝色圆角按钮。边界框紧贴按钮整体，包含表面、圆角���界、图标和标签；六个正点分布于按钮各处，负点位于左右相邻按钮及上下外部背景，不包含指针。"}},{"name":"Profile button","description":"Rounded blue action button labeled “Profile”, with a person icon, at the right end of the workspace action row. The pointer later pauses over it.","membership":"Includes the button surface, rounded boundary, person icon, and label. Excludes the pointer and neighboring buttons.","id":"obj_008","temporal":{"status":"found","start_s":4.75,"end_s":15.0,"reference_s":5.25,"evidence":"目标是工作区操作行最右侧的蓝色圆角“Profile”按钮，包含人物图标和文字，不含指针及相邻按钮。4.75秒首次完整显示按钮表面、边界、图标和标签；前一帧4.50秒尚未出现该按钮。此后持续可见，最后合格帧为14.75秒，因此区间延续至视频结束15.00秒，之后没有采样帧。选择5.25秒作为关键帧，按钮清晰完整且未被指针遮挡。","start_frame":114,"end_frame":360,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[741.7,249.1,804.2,283.3],"positive_points":[[747.0,266.7],[752.8,263.9],[765.6,265.7],[779.7,265.7],[795.8,265.7],[777.1,277.8]],"negative_points":[[700.5,267.6],[639.1,266.7],[774.0,226.9],[814.1,296.3]],"evidence":"目标是工作区操作行最右侧、带人物图标及“Profile”文字的蓝色圆角按钮。边界框覆盖按钮表面、圆角边界、图标和标签；六个正点分布在按钮各部分，负点位于左侧相邻按钮及按钮外的背景，不包含指针。"}},{"name":"Welcome summary card","description":"Wide blue-purple card beneath the main heading. Its left side reveals “welcome back”, “JASIM UDDIN”, “Motion graphics designer”, “Turning vision into motion”, and “Tap to Open >”; a darker MRR panel occupies its right side.","membership":"Includes the full card surface, boundary, decorative rule, welcome text, opening prompt, and embedded revenue panel. Excludes the separate task-completion card, surrounding workspace, and pointer.","id":"obj_009","temporal":{"status":"found","start_s":6.75,"end_s":15.0,"reference_s":8.5,"evidence":"目标是主标题下方的宽蓝紫色欢迎卡片，右侧嵌有深色 MRR 收入面板。6.50 秒尚未出现，6.75 秒卡片表面及边界已完整建立；随后内部文字继续显现，不影响容器起点。最后合格帧为 14.75 秒，卡片持续存在至视频结束，之后无采样帧。选择 8.50 秒作为关键帧，此时欢迎文字、开启提示和收入面板清晰，指针未遮挡卡片。","start_frame":162,"end_frame":360,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[348.4,335.2,644.3,590.7],"positive_points":[[375,416],[414,504],[495,358],[546,463],[562,558],[633,503]],"negative_points":[[337,453],[665,463],[466,625],[722,322]],"evidence":"目标是主标题下方的宽蓝紫色欢迎卡，左侧显示欢迎语、姓名及打开提示，右侧嵌有深色 MRR 收入面板。边界框覆盖完整卡面、装饰线和收入面板；正点分布于左右卡面、文字和收入区域，负点位于卡外工作区及右上方独立指针上。"}},{"name":"MRR revenue panel","description":"Dark inset panel on the right side of the welcome card, displaying “MRR”, “$589 500”, an upward-trend symbol with “5.6%”, and “Previous quarter: 313 000 USD”.","membership":"Includes the dark panel surface and boundary, all revenue text, and the trend symbol. Remains included within the welcome summary card; excludes the welcome text to its left.","id":"obj_010","temporal":{"status":"found","start_s":7.0,"end_s":15.0,"reference_s":8.25,"evidence":"目标是欢迎卡右侧的深色内嵌收入面板，内有 MRR、$589 500、5.6% 趋势标志及上一季度金额。7.0 秒面板表面和边界已完整建立，内部文字随后继续显现，不延迟容器起点；前一帧 6.75 秒面板仍在初始淡入。最后合格帧为 14.75 秒，目标持续保留至视频结束，之后无采样帧。选择 8.25 秒作为关键帧，因为面板轮廓和收入内容清晰完整，且无遮挡。","start_frame":168,"end_frame":360,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[495.3,384.3,620.8,589.8],"positive_points":[[507.8,413.9],[533.9,463.0],[607.3,413.0],[555.7,494.4],[507.3,550.0],[607.8,554.6]],"negative_points":[[404.2,414.8],[637.0,555.6],[565.1,351.9],[557.8,620.4]],"evidence":"根据欢迎卡片右侧的“MRR”“$589 500”、上涨符号及季度收入文字识别目标。边界框紧贴深色收入面板，包含面板表面、边界和全部收入信息。正点分布在文字、趋势信息及下方面板表面；负点位于左侧欢迎文字、右侧卡片区域以及面板上下的外部背景。"}},{"name":"Task completion card","description":"Rounded blue-purple card to the right of the welcome summary, titled “Task completion”. Its circular progress gauge animates from 0% to 80%.","membership":"Includes the card surface, rounded boundary, heading and subtitle, complete circular gauge with its enclosed center, colored progress arc, and percentage. Excludes surrounding workspace and pointer.","id":"obj_011","temporal":{"status":"found","start_s":9.75,"end_s":15.0,"reference_s":12.0,"evidence":"目标是欢迎摘要右侧的蓝紫色圆角“Task completion”卡片，内有从0%变至80%的圆形进度表。9.50秒尚无该卡片；9.75秒卡片表面、圆角边界及完整圆环已建立，标题后续显示和进度变化不延迟容器起点。最后合格帧为14.75秒，仍完整可见，因此区间延续至视频结束15.0秒，无后续采样帧。选择12.0秒作为关键帧，此时标题和80%进度表清晰，指针不遮挡卡片。","start_frame":234,"end_frame":360,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[651.6,337,810.4,587],"positive_points":[[682,365],[707,394],[791,418],[698,487],[736,499],[754,562]],"negative_points":[[616,489],[734,312],[823,476],[734,620]],"evidence":"目标是欢迎摘要右侧、标题为“Task completion”的圆角蓝紫色卡片，内有80%圆形进度表。边界框覆盖完整卡片表面及圆角边界；正点分布于卡片表面、标题、进度环及其中心，负点位于左侧摘要和卡片上、右、下方的外部工作区。"}},{"name":"Conversation funnel card","description":"Rounded dark-blue card in the lower-left workspace, titled “Conversation funnel”. Four rows labeled “Visited”, “Signed Up”, “Onboarded”, and “Subscribed” acquire animated light-blue horizontal bars.","membership":"Includes the entire rounded card surface and boundary, title, row labels, divider lines, and all four bars throughout their length changes. Excludes the adjacent team card and workspace background.","id":"obj_012","temporal":{"status":"found","start_s":12.75,"end_s":15.0,"reference_s":14.5,"evidence":"目标是工作区左下方的深蓝色圆角“Conversation funnel”卡片，包含四行标签、分隔线及浅蓝色横条，不含右侧团队卡片。12.50秒卡片仍在初始淡入，12.75秒表面和边界已完整建立；随后文字及横条的变化不影响容器连续存在。最后合格帧为14.75秒，视频在15.00秒结束，之后无采样帧。选择14.50秒作为关键帧，标题、四行横条及卡片轮廓清晰且无遮挡。","start_frame":306,"end_frame":360,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[348.4,647.2,535.9,869.4],"positive_points":[[399.5,674.1],[480.7,711.1],[374.5,754.6],[451.0,799.1],[434.4,847.2],[519.3,828.7]],"negative_points":[[611.5,757.4],[545.3,785.2],[448.4,615.7],[448.4,897.2]],"evidence":"目标是工作区左下方标题为“Conversation funnel”的圆角深蓝卡片。边界框覆盖完整卡片表面、标题、四行标签、分隔线及浅蓝色横条。正点分布在标题、行标签、横条和卡片表面；负点位于右侧团队卡片及目标上方、右侧和下方的工作区背景。"}},{"name":"Your team card","description":"Rounded dark-blue card at the lower right, titled “Your team”. Four rows show circular portraits, the names “Nahed Yeasmin”, “Jasim uddin”, “Rizwan Ahmed”, and “Tanvir Siddiqui”, and plus controls at the right.","membership":"Includes the card surface, rounded boundary, heading, all portraits and names, row dividers, and plus controls. Excludes the adjacent funnel card, surrounding workspace, and animated pointer.","id":"obj_013","temporal":{"status":"found","start_s":13.0,"end_s":15.0,"reference_s":14.5,"evidence":"目标是右下方的“Your team”深蓝色圆角卡片，含四行头像、姓名及右侧加号。13.0秒时卡片表面和完整边界已建立，内部文字与头像随后继续显现，不影响容器起点；前一帧12.75秒仍处于初始淡入。最后合格帧为14.75秒，卡片仍完整可见，视频结束后无采样帧。选择14.5秒作为关键帧，标题、四行成员和边界清楚，指针未遮挡卡片。","start_frame":312,"end_frame":360,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[557.3,650,805.2,879.6],"positive_points":[[594.5,673.5],[575.5,709.5],[619.8,755.6],[728.1,788.9],[784.9,851.4],[619.3,851.9]],"negative_points":[[468.8,745.4],[545.8,771.3],[706.3,659.3],[750,625.9]],"evidence":"根据右下角“Your team”标题、四行头像姓名和右侧加号识别该卡片。边界框紧贴完整圆角卡片，包含表面、标题、成员行、分隔线及控件。正点分布在标题、头像、姓名、卡片表面和加号上；负点位于左邻漏斗卡片、外部工作区及明确排除的蓝色指针上。"}}]}
+{"video_id":52,"video_type":"desktop and application interfaces","targets":[{"name":"Site navigation bar","description":"Persistent top navigation for EmotionalPacing AI, with the brand at left, product links in the middle, and Audio Cues, Sign In, and Analyze My Video at right.","membership":"Includes the bounded header surface, brand mark, navigation labels, and controls. Excludes the scrolling page beneath it.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":11,"evidence":"目标是始终位于画面顶部的导航栏：左侧 EmotionalPacing AI 品牌、中部产品导航，以及右侧 Audio Cues、Sign In 和 Analyze My Video 控件。首个合格帧为 0.00 秒，最后一个为 37.75 秒；页面下方内容滚动时，导航栏结构持续完整存在。区间覆盖视频起止，两端均无区间外采样帧。选择 11.00 秒作为关键帧，栏面边界清楚，品牌、标签与控件均易于辨认且遮挡很少。","start_frame":0,"end_frame":912,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[0,0,1000,68.1],"positive_points":[[81,29],[218,31],[345,33],[475,33],[670,33],[789,34]],"negative_points":[[320,111],[639,157],[359,335],[885,182]],"evidence":"图像顶部的横向页眉包含 EmotionalPacing AI 品牌、中部导航链接及右侧 Audio Cues、Sign In、Analyze My Video 控件，符合目标描述。边界框覆盖从图像顶端到下方分隔线的完整导航栏表面。正点分布在栏内背景、品牌、链接和控件上；负点位于分隔线下方的滚动页面内容及背景中。"}},{"name":"Hero headline","description":"Large introductory headline, “Know Exactly Where Your Audience Loses Interest.” The final words have a purple-to-pink treatment.","membership":"Includes the two-line headline lettering only. Excludes the badge above, explanatory copy below, and background animation.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":7,"reference_s":2,"evidence":"目标是两行大标题“Know Exactly Where Your Audience Loses Interest.”，末尾带紫粉渐变，仅计入标题文字。0.00秒已完整显示，6.75秒是最后完整可见的采样帧；7.00秒向上滚动后，标题首行开始被顶部导航遮住。区间始于视频开头，没有更早帧。选择2.00秒作为关键帧，标题完整清晰、无遮挡，便于标注。","start_frame":0,"end_frame":168,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[164.1,387.5,530.5,486.1],"positive_points":[[166.4,409.7],[254.7,411.1],[394.5,406.9],[171.9,452.8],[310.9,470.8],[400,462.5]],"negative_points":[[245.3,345.8],[310.2,533.3],[546.9,401.4],[445.3,620.8]],"evidence":"目标为左侧两行大标题“Know Exactly Where Your Audience Loses Interest.”，末尾文字呈紫粉渐变。边界框紧贴完整两行字形；六个正点分布在两行不同单词的笔画上，负点位于上方徽章、下方说明文字、右侧背景及下方动画曲线，均不包含在标题内。"}},{"name":"Hero explanatory copy","description":"Two paragraphs beneath the headline explaining emotional-rhythm analysis, engagement changes, and improvements before publishing.","membership":"Includes both adjacent explanatory paragraphs. Excludes the headline, action buttons, and surrounding graphics.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":7.75,"reference_s":1,"evidence":"目标是主标题下方相邻的两段说明文字，分别介绍情绪节奏分析与发布前的改进，不包含标题和按钮。首个合格帧为0.00秒，两段已完整显示；视频起点之前无采样帧。最后合格帧为7.50秒，7.75秒时上滚使第一段顶部被固定导航栏遮住，开始退出完整展示。选择1.00秒作为关键帧，两段文字完整、清晰且无遮挡。","start_frame":0,"end_frame":186,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[164.1,520.8,506.3,638.9],"positive_points":[[197.7,529.2],[370.3,529.2],[265.6,555.6],[205.5,589.6],[351.6,610.4],[194.5,632.0]],"negative_points":[[336.7,466.7],[220.3,694.4],[695.3,558.3],[138.3,588.9]],"evidence":"目标是主标题下方的两段说明文字，内容涉及情绪节奏分析、参与度变化及发布前优化。边界框覆盖两段全部五行文字；正点分布在两段的实际字形上，负点位于上方标题、下方按钮、右侧图表和左侧外部背景，均不包含在目标中。"}},{"name":"Analyze Your Video button","description":"Prominent purple upload action below the hero copy, distinct from the similarly named control in the header.","membership":"Includes the button surface, rounded boundary, upload icon, and label. Excludes its glow and the supporting notes below.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":1,"evidence":"目标是首屏文案下方、带上传图标和“Analyze Your Video”标签的紫色圆角按钮，区别于页眉按钮。0.00秒已完整呈现，之前无采样帧；最后合格帧为7.75秒，按钮仍完整可见。8.00秒随页面滚动进入页眉遮挡区域，只剩部分紫色表面，不再完整。选择1.00秒作为关键帧，按钮边界、图标及文字清楚且无遮挡。","start_frame":0,"end_frame":192,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[164.1,669.4,275.8,718.1],"positive_points":[[173.4,684.7],[183.6,693.1],[201.6,694.4],[232.8,693.1],[259.4,683.3],[265.6,705.6]],"negative_points":[[332.0,694.4],[218.8,740.3],[232.8,613.9],[790.6,33.3]],"evidence":"目标是主标题和介绍文案下方、带上传图标的紫色“Analyze Your Video”按钮。框紧贴按钮圆角表面，包含图标与标签，不包含外侧光晕及下方说明。正点分布于按钮表面、图标和文字；负点位于右侧演示按钮、下方说明、上方介绍文字及页眉中的相似按钮。"}},{"name":"Watch 60s Demo button","description":"Dark secondary button immediately beside the hero upload action.","membership":"Includes the complete button boundary, surface, small play symbol, and label. Excludes adjacent controls.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":2,"evidence":"目标是首屏“Analyze Your Video”右侧的深色“Watch 60s Demo”按钮，包含完整边框、表面、播放图标和文字。0.00秒已完整显示，视频起点之前无采样帧；最后合格帧为7.75秒。8.00秒页面继续上滚，按钮已移入顶部导航遮挡区域，不再完整可见。选择2.00秒作为关键帧，按钮清晰完整，且容易与旁边的紫色上传按钮区分。","start_frame":0,"end_frame":192,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[283.6,669.4,383.6,718.1],"positive_points":[[291.4,681.9],[300.2,694.4],[319.5,694.4],[350.8,694.4],[375,682],[366.4,708.3]],"negative_points":[[229.7,693.1],[328.1,646.5],[329.7,743.1],[401.6,693.1]],"evidence":"目标是主视觉区紫色上传按钮右侧标有“Watch 60s Demo”的深色按钮。边框紧贴完整按钮，包含表面、播放符号和文字；正点分布于按钮表面及符号、标签上，负点位于左侧紫色按钮和目标上、下、右侧的外部区域。"}},{"name":"Hero availability notes","description":"Small line below the hero buttons stating “No credit card required,” supported formats, and “Real-time Timeline Sync.”","membership":"Includes the compact line of notes and its inline symbols and separators. Excludes the buttons and animated backdrop.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":8.25,"reference_s":0,"evidence":"目标是主视觉按钮下方的紧凑说明行，包含“No credit card required”、支持格式、“Real-time Timeline Sync”及行内符号。首个合格帧为0.00秒，末个为8.00秒；8.25秒时该行随页面上移，被顶部导航遮挡，已不完整。区间从视频开头开始，无更早帧。选择0.00秒作为关键帧，说明行完整可见，与上方按钮和背景可区分。","start_frame":0,"end_frame":198,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[164.1,733.3,482.8,747.2],"positive_points":[[167.2,740.3],[192.2,738.9],[246.9,738.9],[298.4,738.9],[362.5,738.9],[469.5,738.9]],"negative_points":[[218,693],[330,693],[289,796],[263,611]],"evidence":"目标是主视觉两个按钮下方的紧凑提示行，包含免信用卡说明、支持格式、实时同步文字及行内符号和分隔符。边框紧贴整行内容；六个正点分布在勾选符号和各段文字上，负点位于上方按钮、说明文字及下方背景，排除按钮与动态背景。"}},{"name":"Emotional pacing telemetry panel","description":"Floating dark HUD to the right of the hero headline, labeled EMOTIONAL_PACING_HUD_v2.4, displaying emotion and attention curves with changing inspection readouts.","membership":"Includes the entire rounded panel, header, legend, enclosed chart, annotations, inspection tooltip, timeline markers, and footer. Excludes the large decorative curves behind it.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":7,"reference_s":0,"evidence":"目标是主标题右侧标有 EMOTIONAL_PACING_HUD_v2.4 的深色圆角浮动面板，包含图例、曲线图、检查提示及底栏，不含背景装饰曲线。首个合格帧为0.00秒，视频起点之前没有采样帧；最后合格帧为6.75秒，面板仍完整。紧随的7.00秒帧中，面板随页面上滚，顶部已被裁切或遮挡。选择0.00秒作为关键帧，因为整块面板完整清晰、无遮挡。","start_frame":0,"end_frame":168,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[567.97,366.67,831.25,712.5],"positive_points":[[665.63,400],[729.69,447.22],[640.63,506.94],[608.59,558.33],[785.16,554.17],[728.13,680.56]],"negative_points":[[660.94,331.94],[855.47,644.44],[445.31,465.28],[546.88,763.89]],"evidence":"目标是主标题右侧、标有 EMOTIONAL_PACING_HUD_v2.4 的深色悬浮面板。边框紧贴整个圆角面板，涵盖标题栏、图例、曲线图、检查提示、时间标记和页脚。正点分布在这些内部区域；负点位于面板外的装饰曲线、左侧标题及下方背景，不包含背后的大型装饰曲线。"}},{"name":"Ask Emotional AI launcher","description":"Persistent purple chat launcher at the lower right with a cyan status dot and speech-bubble icon.","membership":"Includes the pill-shaped control, its label, dot, and icon. Excludes surrounding glow and the page behind it.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":1,"evidence":"目标是右下角持续显示的紫色胶囊形“Ask Emotional AI”按钮，包含青色状态点和聊天气泡图标。首个合格帧为0.00秒，最后一个为37.75秒；整个采样序列中按钮结构完整，未见淡出或离场裁切。区间到达视频起点和终点，两侧均无额外采样帧。选择1.00秒作为关键帧，按钮清晰完整且无遮挡，便于标注。","start_frame":0,"end_frame":912,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[890.6,938.9,983.6,977.8],"positive_points":[[896.1,956.9],[902.3,958.3],[918,958.3],[936.7,958.3],[953.1,963.9],[971.1,958.3]],"negative_points":[[933.6,915.3],[876.6,958.3],[992.2,955.6],[937.5,993.1]],"evidence":"目标是右下角带青色状态点、Ask Emotional AI 标签和对话气泡图标的紫色胶囊按钮。边界框紧贴按钮本体，不含外围光晕；六个正点分布于按钮表面、状态点、文字及图标，四个负点位于按钮上下左右的页面背景。"}},{"name":"Video ingestion introduction","description":"Centered upload-section text headed “Drop your video. We’ll find the weak moments.” with a short explanation of detecting pacing problems.","membership":"Includes the section heading, introductory badge lettering, and supporting paragraph. Excludes badge backing, the upload panel, and background graphics.","id":"obj_009","temporal":{"status":"found","start_s":6.25,"end_s":10.25,"reference_s":9.0,"evidence":"目标为上传区居中的“Drop your video. We’ll find the weak moments.”标题、其上方“RAPID MULTIMODAL INGESTION”徽章文字及下方说明段落。首个完整帧为6.25秒，6.00秒说明段落仍被画面下边缘截断；最后符合帧为10.00秒，10.25秒标题及徽章文字已移出上方可见区域。选择9.00秒作为关键帧，三部分文字均清楚完整，便于与上传面板及背景区分。","start_frame":150,"end_frame":246,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[299.2,158.3,696.9,270.8],"positive_points":[[469.5,163.9],[302.3,205.6],[454.7,205.6],[631.3,205.6],[399.2,245.8],[507.8,265.3]],"negative_points":[[497.7,411.1],[671.1,520.8],[262.5,208.3],[344.5,33.3]],"evidence":"目标位于上传区域上方中央，由“RAPID MULTIMODAL INGESTION”徽章文字、主标题及两行说明组成。边界框覆盖这三部分文字；正点分布在徽章、标题和说明的字形上，负点位于上传图标、上传面板、左侧背景和顶部导航，排除徽章底板及其他界面内容。"}},{"name":"Video upload and URL import panel","description":"Centered dark ingestion card with a dashed drop zone, upload icon, Upload Video and Try Sample Analysis buttons, and a link-import row.","membership":"Includes the outer card surface and boundary, complete drop zone, format notes, buttons, URL field, and Import From URL control. Excludes the introduction above.","id":"obj_010","temporal":{"status":"found","start_s":8.25,"end_s":10.5,"reference_s":9.0,"evidence":"目标是含虚线拖放区、上传图标、Upload Video 和 Try Sample Analysis 按钮及 URL 导入行的深色外框卡片。8.25 秒首次完整呈现，10.25 秒是最后一个完整帧；此前 8.00 秒卡片底边仍被画面下缘裁切，此后 10.50 秒卡片顶部已滚入顶栏后方而被遮裁。选择 9.00 秒作为关键帧，卡片边界及全部指定控件清晰完整，易于标注。","start_frame":198,"end_frame":252,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[264.1,308.3,731.3,719.4],"positive_points":[[278.9,330.6],[497.7,413.9],[343.8,506.9],[448.4,545.8],[426.6,663.9],[640.6,663.9]],"negative_points":[[500,208.3],[218.8,486.1],[773.4,513.9],[500,819.4]],"evidence":"目标是画面中央的深色上传与链接导入卡片。边界框覆盖外层卡片、虚线拖放区、上传图标、格式说明、两个按钮及底部 URL 导入行，不包含上方介绍。正点分布在卡片表面、拖放区、图标和操作控件上；负点位于上方标题及卡片左、右、下方的外部区域。"}},{"name":"Synchronized player introduction","description":"Section text headed “See Your Video The Way Your Audience Feels It,” explaining playback and playhead dragging.","membership":"Includes the heading, nearby section-badge lettering, and explanatory paragraph. Excludes badge backing, the player, and the separate status pill.","id":"obj_011","temporal":{"status":"found","start_s":8.75,"end_s":11.75,"reference_s":11.0,"evidence":"通过标题“See Your Video The Way Your Audience Feels It”、上方“INTERACTIVE SYNCHRONIZED PLAYER”徽标文字及播放/拖动播放头的说明段落识别目标。8.75秒首次完整显示，8.50秒仍未进入画面；11.50秒为最后完整帧，11.75秒上方徽标文字已被固定导航栏遮住，开始退出。选择11.00秒作为关键帧，整组文字清晰完整，且与播放器和独立状态标签容易区分。","start_frame":210,"end_frame":282,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[164.1,290.3,561.7,391.7],"positive_points":[[195.3,295.8],[169.5,333.3],[347.7,333.3],[507.0,333.3],[275.8,366.7],[193.8,384.7]],"negative_points":[[137.5,340.3],[308.6,569.4],[793.0,379.2],[396.1,405.6]],"evidence":"通过标题“See Your Video The Way Your Audience Feels It”和播放、拖动播放头的说明识别。框覆盖上方章节徽标文字、主标题及两行说明，不包含徽标底板、播放器或右侧状态胶囊。正点分布在这三部分的字形上；负点位于外围背景、下方播放器及右侧独立状态胶囊。"}},{"name":"Synchronized video player","description":"Large dark player on the left showing a scene identifier, Hook, Drop, and Payoff markers, an animated audio spectrogram, and a playback scrubber.","membership":"Includes the complete player card, preview area, scene labels, spectrogram bars, playback button, seek track, handle, and time display. Excludes the metric cards beside it.","id":"obj_012","temporal":{"status":"found","start_s":11,"end_s":13,"reference_s":11.25,"evidence":"目标是左侧深色播放器卡片，含场景编号、Hook/Drop/Payoff 标记、音频频谱及底部播放按钮和进度条，不含右侧指标卡。首个完整帧为11.00秒，最后完整帧为12.75秒；此前10.75秒播放器底部仍被画面下边界裁切，此后13.00秒顶部已随滚动离开画面。选择11.25秒，因完整卡片清晰可见，边界明确且无遮挡。","start_frame":264,"end_frame":312,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[164,343,547,811],"positive_points":[[211,389],[352,514],[477,388],[304,664],[184,772],[510,772]],"negative_points":[[625,417],[626,575],[128,569],[344,857]],"evidence":"根据左侧播放器中的场景编号、Hook/Drop/Payoff 标记、音频频谱和底部播放进度条识别目标。边界框覆盖完整播放器卡片及其全部内部控件。正点分布在场景标签、预览区、标记、频谱、播放按钮和时间显示上；负点位于右侧指标卡及播放器左侧、下方的外部背景。"}},{"name":"Engagement metric card","description":"Upper-left metric card beside the synchronized player, labeled ENGAGEMENT, initially showing 96% and “Audience sensory connection.”","membership":"Includes the card boundary and surface, label, changing percentage, caption, status dot, and progress bar. Excludes neighboring cards.","id":"obj_013","temporal":{"status":"found","start_s":10.25,"end_s":13.0,"reference_s":11.25,"evidence":"目标是同步播放器右侧指标组左上角的 ENGAGEMENT 卡片，含 96%、Audience sensory connection、状态点和进度条。10.25 秒首次完整呈现，12.75 秒为最后一个完整可见帧；此前 10.0 秒卡片底部仍被画面下沿裁切，此后 13.0 秒已向上滚动并被顶部遮挡。选择 11.25 秒作关键帧，卡片边界清晰、无遮挡，易于与相邻指标卡区分。","start_frame":246,"end_frame":312,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[562.5,343.1,693,488.9],"positive_points":[[590.6,366.7],[587.5,411.1],[614.8,438.9],[682,366.7],[630.5,469.4],[657.8,398.6]],"negative_points":[[739.8,409.7],[616.4,566.7],[507.8,430.6],[624.2,298.6]],"evidence":"目标是播放器右侧指标区左上角的 ENGAGEMENT 卡片，显示 96% 和“Audience sensory connection”。边界框覆盖整张卡片的边框、表面及内部内容；正点分布在标签、百分比、说明、状态点、进度条和卡片表面，负点位于相邻情绪卡片、下方节奏卡片、左侧播放器及上方背景。"}},{"name":"Emotion metric card","description":"Upper-right metric card beside the player, labeled EMOTION, initially showing 88% with purple accents.","membership":"Includes the complete card and its label, changing value, caption, dot, and progress bar. Excludes neighboring cards.","id":"obj_014","temporal":{"status":"found","start_s":10.25,"end_s":13.0,"reference_s":11.25,"evidence":"目标是播放器右侧指标组中右上角的 EMOTION 卡片，显示 88%、紫色圆点和进度条。首次完整出现于 10.25 秒，最后完整可见于 12.75 秒；10.00 秒该卡片下部仍被画面底边裁切，13.00 秒已随页面上移而被顶部裁切。选择 11.25 秒作为关键帧，卡片边界和内部元素清晰完整，与邻近指标卡易于区分。","start_frame":246,"end_frame":312,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[701.6,343.1,831.3,488.9],"positive_points":[[724.2,366.7],[723.4,411.1],[746.1,438.9],[820.3,366.7],[770.3,470.8],[797.7,443.1]],"negative_points":[[627.3,415.3],[764.1,572.2],[851.6,513.9],[760.9,313.9]],"evidence":"目标是播放器右侧指标区右上角标有 EMOTION、显示 88% 的紫色指标卡。框覆盖完整卡片，包括标签、数值、说明、圆点和进度条；正点分布于这些内容及卡片表面，负点位于左侧 ENGAGEMENT 卡、下方 BOREDOM RISK 卡及卡外背景。"}},{"name":"Pacing score metric card","description":"Middle-left metric card labeled PACING SCORE, with a green percentage and “Cadence and cut harmony.”","membership":"Includes the card surface, boundary, label, changing percentage, caption, dot, and bar. Excludes the player and other metric cards.","id":"obj_015","temporal":{"status":"found","start_s":10.5,"end_s":13.25,"reference_s":11.25,"evidence":"目标是播放器右侧指标组中间左列的卡片，标有「PACING SCORE」、绿色百分比及「Cadence and cut harmony」，包含绿点和进度条。首个完整帧为10.50秒，10.25秒时卡片仍被画面下边缘截断；最后完整帧为13.00秒，13.25秒时已向上滚动并被截出画面。选择11.25秒作关键帧，卡片边界完整、无遮挡，且易与相邻指标卡区分。","start_frame":252,"end_frame":318,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[562.5,502.78,693.75,651.39],"positive_points":[[593.75,526.39],[585.94,572.22],[609.38,598.61],[632.03,630.56],[682.03,526.39],[664.06,565.28]],"negative_points":[[625,416.67],[764.84,572.22],[625,729.17],[507.81,569.44]],"evidence":"目标是右侧指标区中排左侧的 PACING SCORE 卡片，显示绿色 94% 和“Cadence and cut harmony”。边界框覆盖完整卡片表面、边界及内部元素；六个正点分布于标签、百分比、说明、进度条、圆点和卡片表面，四个负点位于上方、右侧、下方的其他指标卡及左侧播放器。"}},{"name":"Boredom risk metric card","description":"Middle-right metric card labeled BOREDOM RISK, displaying a low orange percentage and an abandonment-danger caption.","membership":"Includes the entire card and all internal indicators and text. Excludes neighboring metric cards.","id":"obj_016","temporal":{"status":"found","start_s":10.5,"end_s":13.25,"reference_s":11.25,"evidence":"目标是指标区中排右侧的“BOREDOM RISK”卡片，含橙色低百分比、放弃观看风险说明及短进度条。10.50秒首次完整显示，13.00秒仍完整可见；此前10.25秒该卡片尚在画面下方、未完整进入，之后13.25秒已随滚动离开上沿。选择11.25秒作为关键帧，卡片边界清晰、无遮挡，且容易与相邻指标卡区分。","start_frame":252,"end_frame":318,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[701.6,502.8,831.3,651.4],"positive_points":[[718.8,527.8],[721.9,570.8],[774.2,600],[817.2,529.2],[788.3,630.6],[809.4,570.8]],"negative_points":[[625,569.4],[765.6,416.7],[765.6,722.2],[859.4,548.6]],"evidence":"目标为右侧指标区中排右侧的“BOREDOM RISK”卡片，显示橙色6%及弃看风险说明。边界框覆盖整张卡片及内部文字、状态点和底部进度条；正点分布于这些内容及卡片表面，负点位于左侧、上下相邻卡片和右侧外部背景。"}},{"name":"Hook strength metric card","description":"Lower-left metric card labeled HOOK STRENGTH, initially showing 98% and an initial three-second retention caption.","membership":"Includes the card surface and border, label, changing value, caption, status dot, and cyan bar. Excludes adjacent cards.","id":"obj_017","temporal":{"status":"found","start_s":11.0,"end_s":13.25,"reference_s":11.25,"evidence":"目标是指标组左下方的 HOOK STRENGTH 卡片，含98%数值、前三秒留存说明和青色进度条，后来数值变为96%。11.00秒首次完整呈现；10.75秒卡片底部仍被画面下缘裁切。13.00秒为最后完整帧，13.25秒卡片上缘已随上滚被顶部导航栏遮去。选择11.25秒，卡片边界清晰且无遮挡，易与相邻指标区分。","start_frame":264,"end_frame":318,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[562.5,663.9,693.8,811.1],"positive_points":[[597.7,687.5],[584.4,733.3],[617.2,759.7],[635.9,791.7],[682.0,687.5],[664.8,733.3]],"negative_points":[[748.4,734.7],[625.0,579.2],[512.5,737.5],[627.3,851.4]],"evidence":"目标为指标区左下方的 HOOK STRENGTH 卡片，显示 98% 和前三秒留存说明。边界框覆盖整张卡片的表面、边框及内部内容；正点分布在标签、数值、说明、状态点、青色进度条和卡片表面，负点位于上方及右侧相邻卡片、左侧播放器和下方外部背景。"}},{"name":"Retention potential metric card","description":"Lower-right metric card labeled RETENTION POTENTIAL, initially showing 95% with pink accents.","membership":"Includes the complete card, changing percentage, label, completion-probability caption, dot, and progress bar. Excludes adjacent cards.","id":"obj_018","temporal":{"status":"found","start_s":11.0,"end_s":13.5,"reference_s":11.5,"evidence":"目标是六张指标卡中右下角的“RETENTION POTENTIAL”卡，含粉色百分比、完成概率说明、圆点和进度条。11.00秒首次完整可见；此前10.75秒卡片底部仍被画面下缘裁切。13.25秒是最后完整帧，数值已变为93%；13.50秒随滚动被顶部遮挡，仅余底部。选择11.50秒作为关键帧，卡片边界完整、95%及各组成元素清晰，易于与相邻卡片区分。","start_frame":264,"end_frame":324,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[701,588,832,735],"positive_points":[[751,612],[724,658],[755,684],[820,612],[769,716],[802,647]],"negative_points":[[627,655],[760,500],[859,476],[761,820]],"evidence":"目标是右下角标有“RETENTION POTENTIAL”、显示粉色95%的指标卡。边界框覆盖完整卡片，包括标签、百分比、完成概率说明、圆点和进度条；正点分布于这些内容及卡片表面，负点位于左侧和上方相邻卡片、右侧及下方外部背景。"}},{"name":"Emotional timeline introduction","description":"Text block headed “Multi-Track Emotional Timeline,” describing simultaneous mapping of framing, speech, music, and emotion.","membership":"Includes the heading, section-badge lettering, and supporting copy. Excludes the badge backing and timeline editor below.","id":"obj_019","temporal":{"status":"found","start_s":11.5,"end_s":17.0,"reference_s":14.0,"evidence":"依据标题“Multi-Track Emotional Timeline”、上方 section badge 字样及描述画面构图、语音节奏、音乐和情绪同步映射的两行说明识别。11.50秒首次完整显示全部指定文字；前一帧11.25秒说明仍在画面下缘之外。最后合格帧为16.75秒，17.00秒顶部徽标文字开始被固定导航栏裁切。选择14.00秒作为关键帧，文字完整清晰，与下方时间线编辑器容易区分。","start_frame":276,"end_frame":408,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[164.1,158.3,510.9,259.7],"positive_points":[[196.9,163.2],[179.7,201.4],[316.4,201.4],[394.5,202.8],[360.2,233.3],[208.6,252.8]],"negative_points":[[328.1,162.5],[406.3,277.8],[349.2,319.4],[148.4,229.2]],"evidence":"通过标题“Multi-Track Emotional Timeline”和下方同步映射视频、语音、音乐及情绪的说明定位。边界框覆盖徽章文字、标题和两行说明，不包含徽章底板或下方时间轴编辑器。六个正点分布在这些文字的字形上；负点位于文字块外部背景及下方编辑器。"}},{"name":"Multi-track timeline editor","description":"Wide editing panel with marker pins and tracks for Video Shots, Dialogue, Music Stems, Emotion, Attention, Boredom Risk, and AI Cuts. A pink playhead changes position.","membership":"Includes the entire editor surface and boundary, header metadata, markers, labeled tracks, clip blocks, curves, risk strip, suggested-cut controls, playhead, and bottom scrollbar. Excludes the ordinary cursor and surrounding page animation.","id":"obj_020","temporal":{"status":"found","start_s":13.25,"end_s":17.5,"reference_s":14.25,"evidence":"目标是含标记针、Video Shots、Dialogue、Music Stems、Emotion、Attention、Boredom Risk、AI Cuts及粉色播放头的宽幅编辑面板。13.25秒首次完整显示面板边界和底部滚动条；此前13.00秒下部仍被画面底边截断。最后合格帧为17.25秒，17.50秒面板上缘开始移入顶栏遮挡区域。选择14.25秒作关键帧，因为完整面板清晰可见、各轨道易于辨认且无遮挡。","start_frame":318,"end_frame":420,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[164.1,294.4,832,726.4],"positive_points":[[202,318],[380,404],[566,452],[318,551],[750,652],[440,697]],"negative_points":[[148,458],[865,514],[500,794],[486.3,584.7]],"evidence":"根据 TIMELINE EDITOR 标题、标记针及七条具名轨道识别该面板。边界框紧贴完整编辑器，覆盖表头、轨道内容、粉色播放头、底部控件及滚动条。正点分布在表头、片段、对白条、情绪曲线、风险条和剪辑建议控件上；负点位于面板外页面背景及明确排除的白色十字光标上。"}},{"name":"Boring-moment detection introduction","description":"Centered heading “Find Boring Moments Before Your Audience Does.” with supporting text about mid-video pacing deceleration.","membership":"Includes the heading, section-badge lettering, and explanatory text. Excludes badge backing and the diagnostic panel below.","id":"obj_021","temporal":{"status":"found","start_s":16.75,"end_s":18.75,"reference_s":18.0,"evidence":"通过居中的“Find Boring Moments Before Your Audience Does.”标题、上方“FRICTION & SKIP PREVENTION”徽标文字及下方关于中段节奏减速的说明识别目标。首个完整帧为16.75秒；此前16.50秒说明末行仍被画面底边截断。最后完整帧为18.50秒，18.75秒上方徽标文字已被固定导航栏遮住。选择18.00秒，整组文字完整清晰，且与下方诊断面板易于区分。","start_frame":402,"end_frame":450,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[214.1,330.6,782.0,452.8],"positive_points":[[470.3,336.1],[217.2,381.9],[354.7,383.3],[725.0,384.7],[326.6,425.0],[473.4,447.2]],"negative_points":[[381.3,606.9],[210.9,468.1],[489.8,290.3],[812.5,383.3]],"evidence":"目标是居中的“Find Boring Moments Before Your Audience Does.”介绍区。边界框覆盖上方章节徽标文字、主标题及下方两行解释文字；正点分布在这些文字的字形上，负点位于外围背景及下方诊断面板。徽标底板和诊断面板不属于目标。"}},{"name":"Pacing risk diagnostic panel","description":"Wide panel containing a colored Hook, Slow, Critical Drop, Climax, and Payoff strip, a legend, and five findings including “47% Lower” and “Trim 3.8 sec.”","membership":"Includes the complete outer panel, legend, segmented time strip, and all five enclosed finding cards. Excludes the independent section heading.","id":"obj_022","temporal":{"status":"found","start_s":17.75,"end_s":20.75,"reference_s":18.25,"evidence":"目标是包含图例、Hook/Slow/Critical Drop/Climax/Payoff 分段条及五张诊断卡（含“47% Lower”“Trim 3.8 sec.”）的完整外框面板，不含独立标题。17.75秒首次完整显示；前一帧17.50秒底部卡片仍被画面边界裁切。最后合格帧为20.50秒，20.75秒面板上部已滚至顶部导航栏后方并被遮裁。选择18.25秒作为关键帧，面板完整、清晰且无遮挡。","start_frame":426,"end_frame":498,"reference_frame":438},"grounding":{"status":"found","bbox_xyxy":[164.1,498.6,831.3,813.9],"positive_points":[[417.2,536.1],[238.3,602.8],[504.7,604.2],[234.4,729.2],[493.8,730.6],[752.3,733.3]],"negative_points":[[472.7,382],[482.8,140.3],[465.6,875],[885.9,466.7]],"evidence":"目标是页面中部的宽幅节奏风险诊断面板，包含图例、Hook 至 Payoff 的五段彩色时间条，以及含“47% Lower”和“Trim 3.8 sec”的五张诊断卡片。边界框紧贴整个外层面板；正点分布在图例、时间条及下方卡片上，负点位于独立标题、上方其他面板和外部背景，均不属于目标。"}},{"name":"Narrative shape introduction","description":"Left-aligned text headed “Your Story Has a Shape.” describing comparison with an optimal genre pacing curve.","membership":"Includes the title, section-badge lettering, and explanatory paragraph. Excludes badge backing, chart legend, and graph.","id":"obj_023","temporal":{"status":"found","start_s":18.5,"end_s":22.25,"reference_s":21.0,"evidence":"目标为左对齐的“NARRATIVE TOPOLOGY”徽标文字、“Your Story Has a Shape.”标题及下方最优类型节奏曲线说明。18.50秒三部分首次完整可见；前一帧18.25秒仅露出徽标，标题和说明仍在画面下方。最后合格帧为22.00秒；22.25秒徽标文字已上移并被顶部导航遮挡。选择21.00秒作关键帧，整组文字清晰完整，易与右侧图例和下方图表区分。","start_frame":444,"end_frame":534,"reference_frame":504},"grounding":{"status":"found","bbox_xyxy":[164.1,320.8,440.6,422.2],"positive_points":[[189.1,326.4],[236.7,326.4],[185.2,365.3],[330.5,365.3],[383.6,397.2],[210.2,416.7]],"negative_points":[[143.8,369.4],[304.7,298.6],[719.5,416.7],[418.8,593.1]],"evidence":"目标位于图表左上方，以“Your Story Has a Shape.”为标题。边界框覆盖章节徽标文字、标题及两行说明；正点分布在这三部分的文字笔画上。负点位于左侧和上方背景、右侧图例及下方曲线图，均不属于目标。"}},{"name":"Narrative trajectory comparison chart","description":"Large chart comparing the cyan dashed Recommended Curve with the purple Your Actual Cut line and shaded area. Bottom labels divide the story into Hook, Build, Tension, Release, and Payoff.","membership":"Includes the rounded chart panel, plotting surface, lines, point markers, shaded area, grid, bottom phase labels, and associated legend above its upper-right edge. Excludes the introduction at upper left.","id":"obj_024","temporal":{"status":"found","start_s":20.75,"end_s":22.5,"reference_s":21.25,"evidence":"目标是带青色虚线 Recommended Curve、紫色实际剪辑折线与填充区域的圆角图表，底部含 Hook、Build、Tension、Release、Payoff 标签及右上方图例。20.75 秒首次完整呈现，22.25 秒为最后合格帧；此前 20.50 秒图表底部仍被画面下缘截断，之后 22.50 秒上方图例开始被顶部导航遮切。选择 21.25 秒，图表及图例完整清晰、无遮挡，便于空间标注。","start_frame":498,"end_frame":540,"reference_frame":510},"grounding":{"status":"found","bbox_xyxy":[164.1,318.1,832,805.6],"positive_points":[[717.2,325],[213.3,405.6],[339.8,562.5],[640.6,611.1],[242.2,745.8],[750,750]],"negative_points":[[265.6,275],[117.2,611.1],[625,869.4],[875,444.4]],"evidence":"根据青色虚线 Recommended Curve、紫色 Your Actual Cut 曲线及底部五阶段标签识别目标。边界框覆盖完整圆角图表面板和右上方关联图例；正点分布在图例、绘图区、曲线、填充区域及底部标签，负点位于左上介绍文字和面板外背景。"}},{"name":"Editing recommendations introduction","description":"Centered “AI Editing Recommendations” heading with copy about exact cut timestamps, B-roll insertions, zoom triggers, and audio balance.","membership":"Includes the heading, section-badge lettering, and supporting copy. Excludes badge backing and the recommendation panels.","id":"obj_025","temporal":{"status":"found","start_s":22.0,"end_s":24.75,"reference_s":23.25,"evidence":"目标是居中的“AI Editing Recommendations”标题、上方“ACTIONABLE EDIT DECISIONS”徽标文字，以及介绍剪切时间点、B-roll、缩放和音频平��的说明，不含下方推荐面板。22.00秒首次完整可见，24.50秒为最后合格帧；21.75秒标题及说明仍被画面下缘裁切，24.75秒该文字组已滚出画面上方。选择23.25秒，全部文字清楚完整，与推荐面板容易区分。","start_frame":528,"end_frame":594,"reference_frame":558},"grounding":{"status":"found","bbox_xyxy":[361.7,402.8,634.4,504.2],"positive_points":[[465.6,408.3],[382.8,444.4],[431.3,448.6],[589.1,450.0],[469.5,479.2],[527.3,497.2]],"negative_points":[[500.0,375.0],[339.8,454.2],[661.7,487.5],[458.6,620.8]],"evidence":"目标位于画面中央，由徽标文字“ACTIONABLE EDIT DECISIONS”、标题“AI Editing Recommendations”及其下方两行说明组成。边界框紧包这些文字；正点分布在徽标、标题和两行说明的字形上，负点位于外围背景及下方推荐面板。徽标底板和推荐面板不属于目标。"}},{"name":"Emotional Director recommendation panel","description":"Wide co-pilot card offering advice about a strong opening followed by lost momentum, with Apply Suggestion, Show on Timeline, and Generate Alternative controls.","membership":"Includes the entire rounded card, icon, title, status badge, recommendation text, and three controls. Excludes the separate recommendation cards below.","id":"obj_026","temporal":{"status":"found","start_s":22.5,"end_s":25.0,"reference_s":24.0,"evidence":"目标是标题为“Emotional Director”、带 CO-PILOT ACTIVE 标记的横向圆角卡片，包含开场强劲但随后节奏失去动力的建议及三个操作按钮。22.50 秒首次完整呈现，24.75 秒是最后完整帧；前一帧 22.25 秒卡片仍被画面底边裁切，后一帧 25.00 秒卡片上部已随滚动离开可见区域。选择 24.00 秒作为关键帧，卡片边界、文字和三个控件清晰，且与下方独立推荐卡容易区分。","start_frame":540,"end_frame":600,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[164.1,363.9,831.3,500],"positive_points":[[193.8,418.1],[258.6,408.3],[409.4,456.9],[638.3,411.1],[711.7,411.1],[789.1,471.5]],"negative_points":[[269.5,611.1],[489.8,612.5],[715.6,611.1],[499.2,302.8]],"evidence":"目标是页面中部标题为“Emotional Director”的横向圆角建议面板，包含开场后节奏下降的建议及三个操作按钮。边界框覆盖完整卡片；正点分布于图标、标题、建议文字、按钮和卡片右侧表面，负点位于下方独立推荐卡片及上方说明文字处。"}},{"name":"Shorten Introduction recommendation","description":"First recommendation card, labeled REC 01 // Pacing Trim, proposing a shorter introductory setup.","membership":"Includes the complete card, category, time range, title, explanation, suggested-edit inset, expected-retention note, and Apply Cut button. Excludes neighboring cards.","id":"obj_027","temporal":{"status":"found","start_s":23.5,"end_s":26.0,"reference_s":24.0,"evidence":"目标是推荐区左上方标注“REC 01 // Pacing Trim”、标题为“Shorten Introduction”的完整卡片，含建议编辑框、预期留存提升和 Apply Cut 按钮。首个完整帧为23.50秒；此前23.25秒卡片底部仍被画面下缘裁切。最后完整帧为25.75秒；26.00秒卡片顶部已随滚动被上方导航栏遮挡并离开可视区域。选择24.00秒作为关键帧，卡片完整清晰，且易与相邻推荐区分。","start_frame":564,"end_frame":624,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[164.1,543.1,378.9,837.5],"positive_points":[[224,576],[231,611],[266,655],[277,731],[224,803],[346,801]],"negative_points":[[460,649],[267,919],[305,457],[140,689]],"evidence":"目标是左侧第一张推荐卡，标签为“REC 01 // Pacing Trim”，标题为“Shorten Introduction”。边界框覆盖完整卡片，包括时间范围、说明、建议编辑区域、预期留存提示和 Apply Cut 按钮。六个正点分布于这些卡内区域；负点位于右侧及下方邻卡、上方导演面板和左侧外部背景。"}},{"name":"Increase Visual Variation recommendation","description":"Second recommendation card, labeled REC 02 // Visual Rhythm, suggesting B-roll or a slow-motion macro insert around 00:37.","membership":"Includes the complete card surface and boundary, text, timestamp, suggested-edit inset, engagement-lift note, and Apply Cut control. Excludes surrounding cards.","id":"obj_028","temporal":{"status":"found","start_s":23.5,"end_s":26.0,"reference_s":24.0,"evidence":"目标为推荐区第二张卡片，标有“REC 02 // Visual Rhythm”和“Increase Visual Variation”，包含00:37时间戳、B-roll建议、 engagement-lift说明及Apply Cut按钮。23.50秒首次完整呈现，25.75秒为最后完整帧；此前23.25秒卡片底部仍被画面下边缘裁切，此后26.00秒卡片顶部已滚出可见区域。选择24.00秒作为关键帧，卡片边界完整、文字清晰，易于与左右卡片区分。","start_frame":564,"end_frame":624,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[390.6,544.4,605.5,836.1],"positive_points":[[423.4,575],[454.7,611.1],[582.8,576.4],[491.4,712.5],[467.2,802.8],[573.4,804.2]],"negative_points":[[274.2,634.7],[717.2,633.3],[483.6,904.2],[493.8,520.8]],"evidence":"目标是第一排中间标有“REC 02 // Visual Rhythm”的“Increase Visual Variation”推荐卡。边界框覆盖完整卡面、边界、时间戳、建议编辑区域、参与度提升说明及 Apply Cut 按钮。正点分布于卡内这些内容，负点位于左右相邻卡片、下方卡片和上方卡外背景。"}},{"name":"Move Emotional Peak Earlier recommendation","description":"Third recommendation card, labeled REC 03 // Narrative Restructure, proposing movement of the emotional reveal from 01:31 to 01:08.","membership":"Includes the entire card and its category, timing, explanatory text, edit inset, projected benefit, and Apply Cut button. Excludes neighboring recommendations.","id":"obj_029","temporal":{"status":"found","start_s":23.5,"end_s":26.0,"reference_s":24.75,"evidence":"目标为推荐区第一排右侧卡片，标有“REC 03 // Narrative Restructure”和“Move Emotional Peak Earlier”，时间为01:31→01:08。23.50秒首次完整显示卡片及Apply Cut按钮；25.75秒为最后完整帧。此前23.25秒卡片底部仍被画面下边界裁切；此后26.00秒卡片顶部已随滚动被顶部导航遮去。选择24.75秒作为关键帧，整张卡片清晰完整，且易与相邻推荐区分。","start_frame":564,"end_frame":624,"reference_frame":594},"grounding":{"status":"found","bbox_xyxy":[617.2,287.5,831.3,577.8],"positive_points":[[686,317],[701,354],[739,392],[713,453],[680,544],[798,545]],"negative_points":[[567,422],[713,659],[719,206],[858,430]],"evidence":"目标为右上方第三张推荐卡，标有“REC 03 // Narrative Restructure”和“Move Emotional Peak Earlier”，并建议将情绪揭示从01:31前移至01:08。边界框覆盖整张卡片，包括文字、编辑建议内嵌区、预期收益和Apply Cut按钮。正点分布于这些卡内区域；负点位于左侧及下方相邻卡片、上方导演面板和右侧外部背景。"}},{"name":"Music Energy Mismatch recommendation","description":"Lower-left recommendation card, labeled REC 04 // Audio Emotion, addressing reduced music intensity during a visual tension peak.","membership":"Includes the full card, timestamp, title, body copy, suggested audio edit, benefit note, and Apply Cut button. Excludes adjacent cards.","id":"obj_030","temporal":{"status":"found","start_s":24.75,"end_s":26.75,"reference_s":25.0,"evidence":"通过左下方卡片的“REC 04 // Audio Emotion”、标题“Music Energy Mismatch”和时间戳00:54识别目标。24.75秒首次完整呈现卡片及底部收益说明、Apply Cut按钮，26.50秒为最后完整帧；24.50秒卡片底部仍被画面下缘截断，26.75秒上缘开始随滚动被顶部固定导航遮去。选择25.00秒，卡片边界清晰、内容完整，且易与相邻推荐卡区分。","start_frame":594,"end_frame":642,"reference_frame":600},"grounding":{"status":"found","bbox_xyxy":[164.1,497.2,379.7,770.8],"positive_points":[[217.2,529.2],[255.5,564.6],[271.9,607.0],[265.6,663.9],[220.3,737.5],[345.3,737.5]],"negative_points":[[250.0,427.8],[465.6,618.1],[140.6,611.1],[257.8,816.7]],"evidence":"目标是左下方标有“REC 04 // Audio Emotion”、标题为“Music Energy Mismatch”的推荐卡。边界框覆盖整张卡片，包括时间戳、正文、建议音频编辑、收益说明和 Apply Cut 按钮。正点分布在卡内各主要内容区域，负点位于上方及右侧相邻卡片、左侧和下方外部背景。"}},{"name":"Punch-In Dynamic Zoom recommendation","description":"Lower-middle recommendation card, labeled REC 05 // Framing Velocity, suggesting a digital push-in on a key statement.","membership":"Includes the complete card, category, timestamp, description, suggested-edit inset, hook-retention benefit, and Apply Cut control. Excludes other recommendation cards.","id":"obj_031","temporal":{"status":"found","start_s":24.75,"end_s":27.0,"reference_s":25.0,"evidence":"目标是下排中间标有“REC 05 // Framing Velocity”和“Punch-In Dynamic Zoom”的推荐卡，包含建议编辑区域、Hook Retention收益及Apply Cut按钮。首个完整帧为24.75秒，最后完整帧为26.75秒；24.50秒卡片底部仍被画面下缘裁切，27.00秒卡片上部已随滚动离开可视区域。25.00秒整张卡片清晰可见，且易于与左右推荐卡区分，故选为关键帧。","start_frame":594,"end_frame":648,"reference_frame":600},"grounding":{"status":"found","bbox_xyxy":[390.6,497.2,604.7,769.4],"positive_points":[[451.6,527.8],[475.8,565.3],[460.9,604.2],[493.8,665.3],[441.4,736.1],[571.9,737.5]],"negative_points":[[275,611.1],[718.8,612.5],[493.8,330.6],[499.2,826.4]],"evidence":"目标是下排中间标有“REC 05 // Framing Velocity”和“Punch-In Dynamic Zoom”的推荐卡。边界框覆盖完整卡片，包括时间戳、说明、建议编辑区域、留存收益和 Apply Cut 按钮。正点分布在卡片的标签、标题、说明、编辑建议及底部���件上；负点位于左右及上方其他推荐卡和下方外部背景。"}},{"name":"Eliminate Dead Pause in Dialogue recommendation","description":"Lower-right recommendation card, labeled REC 06 // Cadence Trim, proposing removal of silence between sentence clauses.","membership":"Includes the card boundary and surface, all text, suggested-edit inset, pacing-fluidity benefit, and Apply Cut button. Excludes neighboring cards.","id":"obj_032","temporal":{"status":"found","start_s":24.75,"end_s":27.0,"reference_s":25.25,"evidence":"目标为推荐区右下角标有“REC 06 // Cadence Trim”和“Eliminate Dead Pause in Dialogue”的卡片，包含建议编辑框、Pacing Fluidity 收益及 Apply Cut 按钮。首次完整出现于24.75秒，最后完整帧为26.75秒；前一帧24.50秒卡片底部仍被画面边缘裁切，后一帧27.00秒顶部已随滚动离开画面。25.25秒卡片完整清楚，与相邻推荐卡容易区分，适合作为空间标注关键帧。","start_frame":594,"end_frame":648,"reference_frame":606},"grounding":{"status":"found","bbox_xyxy":[617.2,486.1,831.3,761.1],"positive_points":[[655.5,518.1],[724.2,553.8],[765.6,589.0],[733.6,655.6],[682.0,725.0],[799.2,727.8]],"negative_points":[[506.3,613.9],[723.4,395.8],[866.4,662.5],[732.0,815.3]],"evidence":"目标是右下方标有“REC 06 // Cadence Trim”和“Eliminate Dead Pause in Dialogue”的推荐卡片。边界框覆盖完整卡片边界、表面、全部文字、建议编辑内嵌区、收益说明及 Apply Cut 按钮。正点分布于卡片标签、标题、说明、内嵌区和底部控件；负点位于左侧及上方相邻卡片，以及目标右侧和下方背景。"}},{"name":"Viewer attention heatmap introduction","description":"Left-aligned “Viewer Attention Heatmap” heading with text about second-by-second attention and hovering for a breakdown.","membership":"Includes the heading, section-badge lettering, and explanation. Excludes badge backing and the heatmap panel.","id":"obj_033","temporal":{"status":"found","start_s":25.25,"end_s":28.5,"reference_s":27.0,"evidence":"通过“Viewer Attention Heatmap”标题、“SECOND-BY-SECOND DENSITY”徽标文字及逐秒注意力与悬停查看说明识别目标，不含下方热力图面板。首个完整帧为25.25秒，25.00秒的说明仍被画面下缘裁切；最后完整帧为28.25秒，28.50秒标题及徽标文字已移入顶部导航遮挡区域。选择27.00秒作为关键帧，三部分文字完整清晰、无遮挡。","start_frame":606,"end_frame":684,"reference_frame":648},"grounding":{"status":"found","bbox_xyxy":[164.1,358.3,599.2,443.1],"positive_points":[[195.3,363.9],[257.0,363.9],[173.4,401.4],[343.0,402.8],[257.8,434.7],[539.1,434.7]],"negative_points":[[140.6,401.4],[398.4,325.0],[312.5,463.9],[390.6,526.4]],"evidence":"已定位“Viewer Attention Heatmap”介绍文字。边界框涵盖上方秒级密度徽标的字样、标题及下方关于注意力评分和悬停查看详情的说明，不包含徽标底色或热图面板。六个正点分布于这三部分的文字笔画上；四个负点位于文字外侧背景及下方热图面板。"}},{"name":"Viewer attention heatmap panel","description":"Wide dark panel with a cyan, teal, red, orange, and purple heat strip, a HOVER INSPECTOR row, and an attention-risk legend.","membership":"Includes the complete panel surface and boundary, colored strip, inspector field and instructions, legend, and sample-duration note. Excludes the heading above.","id":"obj_034","temporal":{"status":"found","start_s":26.75,"end_s":28.75,"reference_s":27.0,"evidence":"目标是包含青色、蓝绿色、红色、橙色和紫色热条、HOVER INSPECTOR 行及底部风险图例和时长说明的宽暗色面板，不包括上方标题。26.75 秒首次完整显示；此前 26.50 秒面板底部仍被画面下缘裁切。28.50 秒为最后完整帧，28.75 秒顶部热条已被上方导航区域遮切。选择 27.00 秒作为关键帧，面板边界清晰，全部组成部分完整可见。","start_frame":642,"end_frame":690,"reference_frame":648},"grounding":{"status":"found","bbox_xyxy":[164.1,473.6,831.3,706.9],"positive_points":[[215.6,525],[431.3,526.4],[735.9,526.4],[428.1,595.8],[332.8,666.7],[799.2,627.8]],"negative_points":[[281.3,402.8],[148.4,591.7],[859.4,583.3],[478.9,747.2]],"evidence":"目标是标题下方的宽幅深色热力图面板。边界框覆盖完整面板、五色热条、HOVER INSPECTOR栏、图例及采样时长说明，不含上方标题。正点分布于热条、检查栏、图例和面板表面；负点位于上方标题、左右外部背景及下方图形区域。"}},{"name":"Before-and-after pacing introduction","description":"Centered heading “See the Difference Better Pacing Makes” with text explaining comparison of the initial and AI-paced exports.","membership":"Includes the heading, section-badge lettering, and explanatory paragraph. Excludes badge backing, comparison switch, and waveform panel.","id":"obj_035","temporal":{"status":"found","start_s":27.0,"end_s":29.75,"reference_s":29.0,"evidence":"通过居中的“See the Difference Better Pacing Makes”标题、“PROVEN RETENTION LIFT”徽章文字及比较原始导出与 AI 调整版本的说明段落识别目标。27.00 秒首次完整显示，26.75 秒仅有徽章进入画面，标题和说明尚未完整出现。29.50 秒是最后完整帧；29.75 秒向上滚动后徽章被顶部导航遮住，标题也开始受裁切。选择 29.00 秒，整组文字清晰完整，与切换控件和波形面板易于区分。","start_frame":648,"end_frame":714,"reference_frame":696},"grounding":{"status":"found","bbox_xyxy":[328.9,304.2,668,405.6],"positive_points":[[489.1,309.7],[339.1,348.6],[425.8,348.6],[583.6,347.2],[406.3,380.6],[492.2,400]],"negative_points":[[528.9,451.4],[500.8,651.4],[289.1,348.6],[580.5,281.9]],"evidence":"目标位于画面中央，以“See the Difference Better Pacing Makes”标题及下方比较说明识别。边界框覆盖上方徽章文字、完整标题和两行说明文字，不含徽章底板、切换按钮及波形面板。六个正点分布在这三部分的文字笔画上；负点位于外围背景、比较切换按钮和下方波形区域。"}},{"name":"Raw and optimized cut switch","description":"Two-option control labeled Raw Initial Cut and AI Optimized Cut, with the optimized option highlighted purple.","membership":"Includes the compact switch surface, both option boundaries, and labels. Excludes its glow and the comparison chart below.","id":"obj_036","temporal":{"status":"found","start_s":27.5,"end_s":30.0,"reference_s":29.0,"evidence":"目标是标有“Raw Initial Cut”和“AI Optimized Cut”的双选项开关，右侧选项呈紫色高亮。27.50秒首次完整显示开关表面、两项边界及标签；此前27.25秒开关仍被画面底边裁切。29.75秒为最后完整显示的采样帧，30.00秒已随页面滚动离开画面上方。选择29.00秒作为关键帧，此时开关完整清晰，与下方比较图表分离且无遮挡。","start_frame":660,"end_frame":720,"reference_frame":696},"grounding":{"status":"found","bbox_xyxy":[426.6,429.2,569.5,473.6],"positive_points":[[434.4,450],[460.9,447.2],[479.7,462.5],[505.5,444.4],[530.5,452.8],[557.8,459.7]],"negative_points":[[412.5,450],[587.5,451.4],[495.3,413.9],[498.4,551.4]],"evidence":"已找到标题下方的双选项切换控件，左侧为“Raw Initial Cut”，右侧“AI Optimized Cut”呈紫色高亮。边界框紧贴完整控件表面，包含两项边界及标签，不含外部辉光。正点分布于两侧选项的表面与文字区域；负点位于控件左右、上方背景及下方比较图表中。"}},{"name":"Optimized pacing comparison panel","description":"Large card labeled “AI Paced & Trimmed Cut,” showing an animated cyan-and-pink waveform for Creator_Documentary_v4.mp4 and summary scores of 88, 12%, and 91.","membership":"Includes the complete card, project label, waveform display and bars, dividers, three metric readings, and improvement captions. Excludes the switch and section introduction.","id":"obj_037","temporal":{"status":"found","start_s":29.0,"end_s":30.25,"reference_s":29.25,"evidence":"通过“AI Paced & Trimmed Cut”标签、Creator_Documentary_v4.mp4 项目名、青色与粉色波形及 88、12%、91 三项指标识别目标。29.00 秒首次完整呈现，30.00 秒为最后完整帧；28.75 秒卡片下缘仍被画面底部截断，30.25 秒上缘开始随滚动被顶部导航遮裁。选择 29.25 秒，卡片边界、波形及指标清晰且无明显遮挡。","start_frame":696,"end_frame":726,"reference_frame":702},"grounding":{"status":"found","bbox_xyxy":[164.1,438.9,831.3,851.4],"positive_points":[[230,479],[305,600],[752,606],[283,783],[498,782],[713,782]],"negative_points":[[530,379],[494,276],[861,683],[501,909]],"evidence":"通过“AI Paced & Trimmed Cut”标签、项目文件名、青色与粉色波形及88、12%、91三项指标识别目标。边界框覆盖完整卡片，包括标题区、波形、分隔线、指标和改善说明。正点分布于标签、两色波形和三项指标；负点位于上方切换控件、介绍标题以及卡片右侧和下方的外部背景。"}},{"name":"Platform pacing introduction","description":"Centered “Different Platforms. Different Pacing.” heading with a short explanation of platform-specific audience expectations.","membership":"Includes the heading, section-badge lettering, and supporting copy. Excludes badge backing, platform tabs, and benchmark panel.","id":"obj_038","temporal":{"status":"found","start_s":29.5,"end_s":32.25,"reference_s":31.0,"evidence":"目标由居中的“Different Platforms. Different Pacing.”标题、上方“ALGORITHMIC ADAPTATION”徽标文字及两行说明组成，不包括平台标签和基准面板。29.50秒首次完整呈现，前一帧29.25秒尚未出现；32.00秒为最后完整帧，32.25秒上方徽标文字开始被固定导航栏遮去。选择31.00秒作为关键帧，文字完整清楚，与下方控件易于区分。","start_frame":708,"end_frame":774,"reference_frame":744},"grounding":{"status":"found","bbox_xyxy":[339.8,261.1,656.3,362.5],"positive_points":[[489.1,266.7],[363.3,304.2],[460.9,305.6],[619.5,305.6],[453.9,336.1],[506.3,356.9]],"negative_points":[[345.3,416.7],[261.7,515.3],[312.5,336.1],[500,225]],"evidence":"根据居中的“Different Platforms. Different Pacing.”标题定位。边界框覆盖上方徽章文字、标题及下方两行说明；正点分布在这些文字的笔画上。负点位于平台标签、基准面板及文字区域外的背景，徽章底板不属于目标。"}},{"name":"Platform selection tabs","description":"Horizontal selector offering YouTube Long Form, YouTube Shorts, TikTok, Instagram Reels, Commercial Ads, Documentaries, Educational Videos, and Podcasts.","membership":"Includes the compact row of tab surfaces, boundaries, and labels, including the selected YouTube Long Form state. Excludes the benchmark card below.","id":"obj_039","temporal":{"status":"found","start_s":29.75,"end_s":33.0,"reference_s":31.0,"evidence":"通过横向排列的八个平台标签识别目标，包括选中的 YouTube Long Form，以及 YouTube Shorts、TikTok 至 Podcasts；不包含下方 benchmark 卡片。29.75 秒首次完整显示整行标签，32.75 秒为最后一个完整显示的采样帧。此前 29.50 秒标签尚在画面外，此后 33.00 秒整行已随滚动离开画面。选择 31.00 秒作为关键帧，标签边界和文字清晰，无遮挡。","start_frame":714,"end_frame":792,"reference_frame":744},"grounding":{"status":"found","bbox_xyxy":[231.25,400,764.84,434.72],"positive_points":[[267,417],[346,418],[456,418],[526,416],[674,417],[740,417]],"negative_points":[[499,357],[440,452],[300,514],[788,417]],"evidence":"目标是标题下方横向排列的八个平台选项卡。边界框紧贴整排标签的表面、边框和文字，包含选中的 YouTube Long Form，不包含下方基准卡片。六个正点分布于选项卡内部；负点位于上方说明文字、下方间隔、基准卡片及右侧外部背景。"}},{"name":"YouTube Long Form benchmark panel","description":"Platform detail card showing target duration, hook window, boredom threshold, retention benchmark, an algorithmic pacing principle, and an ideal-versus-actual curve chart.","membership":"Includes the entire rounded card, heading, benchmark badge, descriptive text, four metric fields, principle inset, and enclosed comparison graph. Excludes the platform selector above.","id":"obj_040","temporal":{"status":"found","start_s":30.75,"end_s":33.0,"reference_s":31.0,"evidence":"以“YouTube Long Form”标题、TARGET BENCHMARK徽标、四项指标、节奏原则内嵌框及右侧理想/实际曲线识别整张圆角卡片，不含上方平台选择器。首个完整帧为30.75秒，最后完整帧为32.75秒；前一帧30.50秒卡片底部仍被画面裁切，后一帧33.00秒卡片顶部及标题已随上滚被遮挡或裁切。31.00秒整张卡片边界清晰、内容完整，适合作为空间标注关键帧。","start_frame":738,"end_frame":792,"reference_frame":744},"grounding":{"status":"found","bbox_xyxy":[164.1,469.4,831.3,852.8],"positive_points":[[242.2,515.3],[250,615.3],[392.2,686.1],[312.5,776.4],[638.3,652.8],[793,815.3]],"negative_points":[[269.5,416.7],[494.5,307],[131.3,644.4],[866.4,710]],"evidence":"根据“YouTube Long Form”标题及四项指标、节奏原则说明和右侧对比曲线，确定目标为下方大型圆角基准卡片。边界框覆盖整张卡片及其内部内容，不含上方平台选择器。正点分布在标题、指标、原则说明、图表和卡片表面；负点位于平台选择器、上方标题及卡片左右外部背景。"}},{"name":"Creative disciplines introduction","description":"Centered heading “Engineered For Those Who Craft Every Frame” with a subtitle spanning solo creators to post-production agencies.","membership":"Includes the heading, section-badge lettering, and subtitle. Excludes badge backing and the five audience cards.","id":"obj_041","temporal":{"status":"found","start_s":31.75,"end_s":37.75,"reference_s":34.0,"evidence":"通过居中的“Engineered For Those Who Craft Every Frame”、上方“TAILORED FOR CREATIVE DISCIPLINES”徽标文字及下方创作者至后期制作机构的副标题识别目标，不含五张受众卡片。31.75秒三组文字首次完整呈现；前一帧31.5秒仅徽标文字进入画面底部，标题和副标题尚未出现。37.5秒仍完整可见，37.75秒已滚动离开画面，显示“Built for Serious Post-Production”区域。选择34.0秒作为关键帧，目标文字清晰且无遮挡。","start_frame":762,"end_frame":906,"reference_frame":816},"grounding":{"status":"found","bbox_xyxy":[305.5,156.9,690.6,240.3],"positive_points":[[473.4,162.5],[307.8,197.2],[445.3,188.9],[640.6,198.6],[405.5,232.6],[581.3,232.6]],"negative_points":[[500,130.6],[273.4,201.4],[500,265.3],[495.3,382]],"evidence":"目标位于画面上方中央，由创意领域徽章文字、主标题“Engineered For Those Who Craft Every Frame”和下方副标题组成。边界框紧贴这三部分文字的整体��围；正点分布在各行字形上，负点位于外围背景和下方受众卡片上，不包含徽章底板或五张卡片。"}},{"name":"YouTube Creators audience card","description":"Leftmost audience card with a red play icon, describing viewer drop-off detection and retention optimization.","membership":"Includes the complete card, icon tile, title, descriptive copy, divider, and average-retention-lift footer. Excludes the adjacent Filmmakers card.","id":"obj_042","temporal":{"status":"found","start_s":33.0,"end_s":37.75,"reference_s":34.0,"evidence":"目标是受众卡片区最左侧的“YouTube Creators”卡片，含红色播放图标、留存优化说明、分隔线及“Avg. Retention Lift: +19%”页脚。33.00秒首次完整可见，37.50秒为最后合格帧；前一帧32.75秒卡片下部仍被画面底边裁切，后一帧37.75秒页面已滚动至“Built for Serious Post-Production”，目标消失。选择34.00秒，卡片边界与全部内容清楚可见，且易于区别右邻Filmmakers卡片。","start_frame":792,"end_frame":906,"reference_frame":816},"grounding":{"status":"found","bbox_xyxy":[164.1,284.7,288.3,558.3],"positive_points":[[189.8,330.6],[218.8,380.6],[195.3,426.4],[250,465.3],[219.5,526.4],[273.4,491.7]],"negative_points":[[327.3,383.3],[146.9,430.6],[223.4,255.6],[228.1,590.3]],"evidence":"目标是最左侧带红色播放图标、标题为“YouTube Creators”的受众卡片。边界框覆盖完整圆角卡片，包括图标、标题、描述、分隔线及留存提升页脚。正点分布于这些内容和卡片表面；负点位于右侧 Filmmakers 卡片及目标左侧、上方、下方的外部背景。"}},{"name":"Filmmakers audience card","description":"Second audience card with a purple filmstrip icon and copy about tension, emotional release, and cinematic pacing.","membership":"Includes the full card surface and boundary, icon tile, title, body text, divider, and Dramatic Arc Mapping footer. Excludes neighboring cards.","id":"obj_043","temporal":{"status":"found","start_s":33.0,"end_s":37.75,"reference_s":34.0,"evidence":"目标是受众卡片组中的第二张“Filmmakers”卡片，含紫色胶片图标、电影节奏说明及“Dramatic Arc Mapping”页脚。33.00秒首次完整显示卡片表面与边界；前一帧32.75秒底部仍被画面裁切。37.50秒是最后完整可见帧，37.75秒画面已滚动到“Built for Serious Post-Production”区域，目标消失。选择34.00秒作为关键帧，卡片完整清晰、无遮挡，且易与相邻卡片区分。","start_frame":792,"end_frame":906,"reference_frame":816},"grounding":{"status":"found","bbox_xyxy":[300,284.7,424.2,557],"positive_points":[[325,330],[350,381],[359,427],[369,463],[360,526],[410,494]],"negative_points":[[258,428],[468,423],[362,260],[369,588]],"evidence":"目标是从左数第二张标有“Filmmakers”的受众卡片，带紫色胶片图标。边界框覆盖完整卡面、圆角边界、标题、正文、分隔线及“Dramatic Arc Mapping”页脚。正点分布在图标、文字与卡面上；负点位于左右相邻卡片及目标上下方的外部背景。"}},{"name":"Video Editors audience card","description":"Middle audience card with a cyan scissors icon, describing marker export to editing applications.","membership":"Includes the complete card, icon tile, title, body copy, divider, and XML / EDL Export footer. Excludes neighboring audience cards.","id":"obj_044","temporal":{"status":"found","start_s":33.0,"end_s":37.75,"reference_s":34.0,"evidence":"目标是五张受众卡片正中的“Video Editors”卡，含青色剪刀图标、编辑软件标记导出说明及“XML / EDL Export”页脚。33.0秒首次完整显示，32.75秒卡片底部仍被画面边缘截断；37.5秒为最后完整可见帧，37.75秒已切换至功能卡片区域，目标消失。选择34.0秒作为关键帧，整张卡片清晰无遮挡，易与左右相邻卡片区分。","start_frame":792,"end_frame":906,"reference_frame":816},"grounding":{"status":"found","bbox_xyxy":[436.7,284.7,559.4,557],"positive_points":[[462,330.6],[483,379.2],[495.3,428.5],[479.7,526.4],[542.2,488.9],[531.3,319.4]],"negative_points":[[377.3,422.2],[625,422.2],[498.4,255.6],[488.3,594.4]],"evidence":"目标是中央带青色剪刀图标、标题为“Video Editors”的受众卡片。边界框覆盖整张卡片，包括图标、标题、正文、分隔线及“XML / EDL Export”页脚。正点分布在卡片各部分及表面；负点位于左右相邻卡片和卡片上下的外部背景。"}},{"name":"Marketing Teams audience card","description":"Fourth audience card with a green rising-chart icon, discussing retention, conversion, and commercial hooks.","membership":"Includes the card boundary, surface, icon tile, title, descriptive text, divider, and ROAS Optimization footer. Excludes adjacent cards.","id":"obj_045","temporal":{"status":"found","start_s":33.0,"end_s":37.75,"reference_s":34.0,"evidence":"目标是受众卡片组中第四张“Marketing Teams”卡片，带绿色上升图表图标、留存与转化说明���“ROAS Optimization”页脚。33.0秒首次完整显示卡片边界及全部成员，37.5秒是最后合格帧；此前32.75秒卡片下部仍被画面底边裁切，随后37.75秒已滚动至“Built for Serious Post-Production”区域，目标消失。选择34.0秒作为关键帧，卡片完整清晰，与相邻卡片易于区分。","start_frame":792,"end_frame":906,"reference_frame":816},"grounding":{"status":"found","bbox_xyxy":[571.9,284.7,695.3,558.3],"positive_points":[[596.9,330.6],[626.6,380.6],[634.4,433.3],[610.2,526.4],[582.0,484.7],[682.8,313.9]],"negative_points":[[497.7,420.8],[735.9,416.7],[632.8,256.9],[638.3,593.1]],"evidence":"目标是从左数第四张“Marketing Teams”卡片，以绿色上升图表图标及留存、转化和商业开头相关文案识别。边界框覆盖完整卡片表面、边框、图标、标题、正文、分隔线和“ROAS Optimization”页脚。正点分布于卡片各主要区域；负点位于左右相邻卡片及目标上下方背景，排除其他对象。"}},{"name":"Content Agencies audience card","description":"Rightmost audience card with a pink building icon, describing client-video analysis and retention reports.","membership":"Includes the entire card, icon tile, title, body copy, divider, and Client White-Label footer. Excludes neighboring cards.","id":"obj_046","temporal":{"status":"found","start_s":33.0,"end_s":37.75,"reference_s":34.0,"evidence":"目标是受众卡片行最右侧的 Content Agencies 卡片，包含粉色楼宇图标、客户视频分析说明及 Client White-Label 页脚。首个完整帧为33.00秒，32.75秒时卡片下部仍被画面底边裁切；最后完整帧为37.50秒，37.75秒已滚动到其他功能区，目标消失。选择34.00秒作为关键帧，整张卡片清晰完整，且与邻近卡片易于区分。","start_frame":792,"end_frame":906,"reference_frame":816},"grounding":{"status":"found","bbox_xyxy":[707.8,284.7,831.3,556.9],"positive_points":[[732.8,330.6],[766.4,380.6],[760.9,438.9],[749.2,526.4],[816.4,534.7],[798.4,308.3]],"negative_points":[[632.8,416.7],[851.6,416.7],[768,255.6],[771.1,588.9]],"evidence":"目标是最右侧标题为“Content Agencies”的受众卡片，带粉色建筑图标。边界框覆盖完整卡片，包括图标、标题、正文、分隔线和“Client White-Label”页脚。正点分布于图标、文字及卡片表面；负点位于左侧相邻卡片和目标上、右、下方的外部背景。"}},{"name":"Every Second Creates an Emotion headline","description":"Large centered two-line statement in the following dark banner, with “Emotion.” rendered in a purple-pink gradient.","membership":"Includes the headline lettering only. Excludes the banner surface, animated curves, particles, and chart callouts.","id":"obj_047","temporal":{"status":"found","start_s":33.75,"end_s":37.75,"reference_s":34.25,"evidence":"目标为深色横幅中居中的两行大字“Every Second Creates an Emotion.”，其中“Emotion.”呈紫粉渐变。首个完整显示帧为33.75秒，最后 qualifying 帧为37.50秒；此前33.50秒尚未出现该标题，之后37.75秒页面已滚动到“Built for Serious Post-Production”区域，目标消失。选择34.25秒，标题字形完整清晰，便于仅标注 lettering。","start_frame":810,"end_frame":906,"reference_frame":822},"grounding":{"status":"found","bbox_xyxy":[320.3,870.8,676.6,972.2],"positive_points":[[323.4,888.9],[417.2,879.2],[671.1,897.2],[437.5,944.4],[467.2,945.8],[546.9,952.8]],"negative_points":[[381.3,783.3],[736.7,812.5],[444.5,852.8],[589.1,966.7]],"evidence":"目标是图像下方深色横幅中居中的两行大标题“Every Second Creates an Emotion.”，第二行呈紫粉渐变。边界框紧贴完整标题文字；六个正点分布在两行字母笔画上，负点位于标题外的横幅背景、曲线区域及上方图表标注处，不包含文字内部空隙。"}},{"name":"Post-production suite introduction","description":"Centered “Built for Serious Post-Production” heading with the subtitle about twelve integrated neural models.","membership":"Includes the heading, section-badge lettering, and subtitle. Excludes badge backing and the feature cards below.","id":"obj_049","temporal":{"status":"found","start_s":37.75,"end_s":38.0,"reference_s":37.75,"evidence":"37.75秒帧中，居中的“Built for Serious Post-Production”标题、上方“FULL INTELLIGENCE SUITE”徽标文字，以及下方关于12个集成神经模型的副标题均完整可见，符合目标。首末 qualifying 帧均为37.75秒；紧邻的37.50秒帧仍显示创作者卡片和“Every Second Creates an Emotion.”区域，目标尚未出现。选择37.75秒作为关键帧，文字清晰且无遮挡。区间延续至视频结尾38.00秒，无后续采样帧。","start_frame":906,"end_frame":912,"reference_frame":906},"grounding":{"status":"found","bbox_xyxy":[355.5,363.9,640.6,447.2],"positive_points":[[487.5,368.1],[361.7,408.3],[468.8,408.3],[604.7,411.1],[408.6,440.3],[566.4,440.3]],"negative_points":[[497.7,337.5],[665.6,413.9],[337.5,443.1],[410.9,586.1]],"evidence":"目标为页面中央的“Built for Serious Post-Production”介绍文字。框覆盖上方章节徽标字样、主标题及十二个神经模型的副标题，不包含徽标底板和下方功能卡片。六个正点分布在三部分文字笔画上；负点位于文字组外部背景及下方功能卡片。"}},{"name":"Emotional Timeline feature card","description":"Upper-left card in the final visible feature grid, with a purple clock-like icon and copy about continuous sensory mapping.","membership":"Includes the complete card surface and boundary, icon tile, title, and description. Excludes neighboring feature cards.","id":"obj_050","temporal":{"status":"found","start_s":37.75,"end_s":38.0,"reference_s":37.75,"evidence":"目标是最终“Built for Serious Post-Production”功能网格左上角的“Emotional Timeline”卡片，含紫色钟状图标及 continuous sensory mapping 描述。首个及最后一个合格帧均为37.75秒，卡片表面、边界、图标和文字完整可见；此前37.50秒仍为创作者卡片区域，目标尚未出现。选择37.75秒作为关键帧，目标完整且易与邻卡区分。区间延伸至视频结束38.00秒，无后续帧可检查。","start_frame":906,"end_frame":912,"reference_frame":906},"grounding":{"status":"found","bbox_xyxy":[164.1,506.9,321.9,659.7],"positive_points":[[185.9,544.4],[219.5,587.5],[243.0,623.6],[299.2,541.7],[180.5,645.8],[305.5,637.5]],"negative_points":[[390.6,588.9],[239.1,748.6],[141.4,570.8],[241.4,472.2]],"evidence":"目标是特征网格左上角的“Emotional Timeline”卡片，含紫色时钟图标及连续感官映射说明。边界框覆盖完整卡片表面、边界、图标和文字；正点分布于图标、标题、说明及卡片表面，负点位于右侧和下方相邻卡片以及左侧、上方外部背景。"}},{"name":"Boredom Detection feature card","description":"Second card in the upper feature row, with a warning icon and copy about static frames, stagnant dialogue, and visual monotony.","membership":"Includes the full card, icon tile, title, and descriptive text. Excludes adjacent cards.","id":"obj_051","temporal":{"status":"found","start_s":37.75,"end_s":38.0,"reference_s":37.75,"evidence":"37.75秒出现“Built for Serious Post-Production”功能区，上排第二张卡片标题为“Boredom Detection”，含警告图标及检测静态画面、停滞对白和视觉单调的说明，卡片边界与内容完整可见。首个及最后一个符合条件的采样帧均为37.75秒；前一帧37.50秒仍为创作者卡片与情绪展示区，尚未出现目标。区间到达视频结尾，没有后续帧。选择37.75秒作为关键帧，目标完整清晰且易与相邻卡片区分。","start_frame":906,"end_frame":912,"reference_frame":906},"grounding":{"status":"found","bbox_xyxy":[335.2,506.9,493.8,659.7],"positive_points":[[355.5,544.4],[390.6,586.1],[383.6,612.5],[446.1,630.6],[473.4,540.3],[473.4,644.4]],"negative_points":[[285.2,584.7],[558.6,584.7],[403.1,758.3],[415.6,475]],"evidence":"目标是上排第二张“Boredom Detection”卡片，带警告图标及静止画面、停滞对白和视觉单调的说明。边界框覆盖完整卡片表面、图标、标题和说明；正点分布于这些内容及卡片内部，负点位于左右相邻卡片、下方卡片和上方背景。"}},{"name":"Attention Prediction feature card","description":"Third card in the upper feature row, with a cyan eye icon and text about predicting viewer drop-off curves.","membership":"Includes the complete card boundary and surface, icon tile, title, and description. Excludes neighboring cards.","id":"obj_052","temporal":{"status":"found","start_s":37.75,"end_s":38.0,"reference_s":37.75,"evidence":"37.75秒出现“Built for Serious Post-Production”功能区，上排第三张卡片带青色眼睛图标，标题为“Attention Prediction”，描述预测观众流失曲线；卡片边界、表面、图标及文字均完整可见。首个和最后一个 qualifying 帧均为37.75秒，前一帧37.50秒仍显示创作者分类区，尚无该卡片。选择37.75秒作为关键帧，目标清晰且无遮挡。区间到达视频末尾38.00秒，之后没有采样帧。","start_frame":906,"end_frame":912,"reference_frame":906},"grounding":{"status":"found","bbox_xyxy":[503.9,506.9,662.5,658.3],"positive_points":[[525,545],[564,585],[623,611],[533,632],[639,535],[582,646]],"negative_points":[[453,583],[718,583],[582,751],[581,467]],"evidence":"目标是上排第三张“Attention Prediction”卡片，带青色眼睛图标及预测观众流失曲线的说明。边界框覆盖完整卡片表面、边缘、图标和文字；六个正点分布在这些区域，四个负点位于左右相邻卡片、下方卡片及上方外部背景。"}},{"name":"Hook Analysis feature card","description":"Rightmost card in the upper feature row, with a green lightning icon and copy about scoring the first three to fifteen seconds.","membership":"Includes the entire card, icon tile, title, and descriptive copy. Excludes neighboring feature cards.","id":"obj_053","temporal":{"status":"found","start_s":37.75,"end_s":38.0,"reference_s":37.75,"evidence":"目标位于“Built for Serious Post-Production”下方第一排最右侧，是带绿色闪电图标、标题“Hook Analysis”和评分开头3至15秒说明的完整卡片。首个及最后一个 qualifying sampled帧均为37.75秒，卡片边界、图标及文字已完整呈现；前一帧37.50秒仍展示创作者分类区域，未出现该卡片。选择37.75秒作为关键帧，目标清晰且无遮挡。区间到达视频结尾38.0秒，无后续采样帧。","start_frame":906,"end_frame":912,"reference_frame":906},"grounding":{"status":"found","bbox_xyxy":[673.4,506.9,831.3,659.7],"positive_points":[[695.3,544.4],[721.9,587.5],[757.0,612.5],[800.8,643.1],[810.2,538.9],[686.7,636.1]],"negative_points":[[609.4,587.5],[746.1,758.3],[859.4,573.6],[750.0,473.6]],"evidence":"目标是上排最右侧的“Hook Analysis”卡片，含绿色闪电图标及首段3至15秒评分说明。边界框覆盖完整卡片表面、图标、标题和描述。正点分布于卡片各区域；负点位于左侧和下方相邻卡片，以及右侧和上方外部背景。"}},{"name":"Pacing Score feature card","description":"Lower-left feature card with a purple bar-chart icon, describing a unified benchmark for timing between audio and cuts.","membership":"Includes the full card surface and boundary, icon tile, title, and description. Excludes adjacent cards.","id":"obj_054","temporal":{"status":"found","start_s":37.75,"end_s":38.0,"reference_s":37.75,"evidence":"37.75秒出现“Built for Serious Post-Production”功能卡区域；左下方“Pacing Score”卡片具有紫色柱状图图标，描述音频与剪辑之间的统一节奏基准，卡面及边界完整。首个和最后一个符合条件的采样帧均为37.75秒；紧邻的37.50秒仍显示创作者类别卡片，目标未出现。选择37.75秒作为关键帧，目标清晰且无遮挡。区间到达38.00秒视频末尾，无后续采样帧。","start_frame":906,"end_frame":912,"reference_frame":906},"grounding":{"status":"found","bbox_xyxy":[164.1,679.2,321.9,830.6],"positive_points":[[185.9,716.7],[210.9,758.3],[234.4,784.7],[296.9,815.3],[296.9,705.6],[174.2,801.4]],"negative_points":[[234.4,583.3],[390.6,750],[132.8,777.8],[234.4,875]],"evidence":"目标是功能区左下角的“Pacing Score”卡片，带紫色柱状图图标及音频与剪辑节奏基准说明。边界框覆盖完整卡片表面、边界、图标和文字。正点分布于图标、标题、说明及卡片表面；负点位于上方和右侧相邻卡片，以及左侧和下方外部背景。"}},{"name":"Scene Length Intelligence feature card","description":"Second card in the lower feature row, with a pink scene icon and copy about scenes that overstay their narrative utility.","membership":"Includes the complete card, icon tile, title, and explanatory text. Excludes neighboring cards.","id":"obj_055","temporal":{"status":"found","start_s":37.75,"end_s":38.0,"reference_s":37.75,"evidence":"37.75秒出现“Built for Serious Post-Production”功能区；下排第二张卡片标题为“Scene Length Intelligence”，含粉色场景图标和关于场景超出叙事所需时长的说明，卡片边界与内容均完整。首末 qualifying 帧均为37.75秒；紧邻的37.50秒仍显示创作者分类区，目标尚未出现。选择37.75秒作为关键帧，目标清晰且无遮挡。区间到达视频结尾，无后续采样帧。","start_frame":906,"end_frame":912,"reference_frame":906},"grounding":{"status":"found","bbox_xyxy":[334.4,677.8,493.8,829.2],"positive_points":[[355.5,716.7],[405.5,757.6],[390.6,781.9],[455.5,812.5],[469.5,704.2],[347.7,804.2]],"negative_points":[[250,750],[557,750],[413.3,587.5],[418.8,875]],"evidence":"目标是下排第二张“Scene Length Intelligence”卡片，带粉色场景图标及场景叙事时长说明。边界框覆盖完整卡片表面、图标、标题和说明文字；正点分布于这些内容及卡片内部，负点位于左右相邻卡片、上方卡片和下方外部背景。"}},{"name":"AI Editing Suggestions feature card","description":"Third card in the lower feature row, with a cyan editing icon and copy about one-click actionable cut directives.","membership":"Includes the entire card surface and boundary, icon tile, title, and description. Excludes neighboring feature cards.","id":"obj_056","temporal":{"status":"found","start_s":37.75,"end_s":38.0,"reference_s":37.75,"evidence":"37.75秒画面中，“Built for Serious Post-Production”区域下排第三张卡片具有青色编辑图标、标题“AI Editing Suggestions”及关于一键可执行剪辑指令的说明，卡片表面和边界完整可见。首个及最后一个合格帧均为37.75秒；前一帧37.50秒仍显示创作者分类卡片，目标尚未出现。选择37.75秒作为关键帧，目标清晰且无遮挡。区间到达视频结尾，没有后续帧。","start_frame":906,"end_frame":912,"reference_frame":906},"grounding":{"status":"found","bbox_xyxy":[504,678,662,829],"positive_points":[[525,717],[571,758],[548,800],[635,714],[519,816],[646,791]],"negative_points":[[424,757],[746,760],[580,588],[580,877]],"evidence":"目标是下排第三张“AI Editing Suggestions”卡片，含青色编辑图标及一键剪辑建议说明。边界框覆盖整张卡片的表面、边界、图标和文字；正点分布于这些区域，负点位于左右相邻卡片、上方卡片及下方外部背景。"}},{"name":"Music Energy Analysis feature card","description":"Rightmost card in the lower feature row, with a purple music-note icon and text about music failing to support visual intensity.","membership":"Includes the complete card, icon tile, title, and descriptive copy. Excludes neighboring cards and the animated page backdrop.","id":"obj_057","temporal":{"status":"found","start_s":37.75,"end_s":38.0,"reference_s":37.75,"evidence":"37.75秒首次完整显示目标：Built for Serious Post-Production区域下排最右侧的Music Energy Analysis卡片，含紫色音符图标、标题及音乐未能支撑视觉强度的说明。37.5秒仍显示上一处创作者卡片区域，目标尚未出现。首个和最后一个合格采样帧均为37.75秒，卡片边界与内容清晰且无遮挡，因此选作关键帧。区间延续至视频结束38.0秒，之后无采样帧。","start_frame":906,"end_frame":912,"reference_frame":906},"grounding":{"status":"found","bbox_xyxy":[674.2,677.8,831.3,829.2],"positive_points":[[695.8,716.7],[754.7,757.6],[723.4,793.1],[813.3,812.5],[690.6,819.4],[803.9,706.9]],"negative_points":[[584,752],[751,590],[853,756],[754,864]],"evidence":"目标是下排最右侧的“Music Energy Analysis”卡片，含紫色音符图标及音乐无法支撑视觉强度的说明。边界框覆盖完整卡片；正点分布于图标、标题、说明文字和卡片表面，负点位于左侧及上方邻卡、右侧背景和卡片下方背景。"}}]}
+{"video_id":53,"video_type":"desktop and application interfaces","targets":[{"name":"Windows 10 File Explorer window","description":"The centered, white File Explorer window initially titled “工作文档”. It switches between that folder and “下载”, then shows “2025” containing ten Word documents named “项目报告”. Its ribbon has “文件”, “主页”, “共享”, and “查看”.","membership":"Include the complete window surface, border, title bar, ribbon, navigation pane, address bar, file area, and status bar, including separately identified controls and menus within it. Exclude the surrounding black video background, subtitles, watermark, and cursor.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":13.75,"reference_s":9.0,"evidence":"依据白色 Windows 10 文件资源管理器窗口及“文件、主页、共享、查看”功能区识别；窗口先显示“工作文档”，切换到“下载”，随后显示含十个“项目报告”Word 文档的“2025”。首个合格帧为0.00秒，已完整显示，视频起点前无采样帧；最后合格帧为13.50秒，13.75秒已被 Windows 11 窗口替换。选择9.00秒作为关键帧，窗口边界和内部布局清晰完整，且无展开菜单遮挡。","start_frame":0,"end_frame":330,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[177.08,62.96,822.92,862.96],"positive_points":[[560,86],[326,123],[239,367],[571,480],[679,722],[216,844]],"negative_points":[[110,430],[897,513],[500,30],[240,174]],"evidence":"通过“2025”地址栏、“文件/主页/共享/查看”选项卡及十个“项目报告”Word文档，确认中央的Windows 10文件资源管理器。边界框覆盖完整窗口，包括标题栏、功能区、导航栏、文件区和底部状态栏。正点分布于这些窗口区域；负点位于外围黑色视频背景及左上方鼠标指针上，不包含字幕和水印。"}},{"name":"Downloads navigation shortcut","description":"The “下载” entry with a blue downward arrow in the initial Windows 10 window’s left navigation pane. Selecting it changes the displayed folder from “工作文档” to Downloads.","membership":"Include the shortcut’s icon, label, and navigation-row surface, including its selection state. Exclude neighboring navigation entries and the cursor.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":8.75,"reference_s":2,"evidence":"目标是初始 Windows 10 窗口左侧导航栏中带蓝色向下箭头的“下载”行，包括行背景和选中状态。首个合格帧为 0 秒，最后一个为 8.50 秒，期间切换文件夹时该入口持续可见。视频起点前无采样帧；紧邻的 8.75 秒帧已切换为另一窗口布局，左侧不再显示“下载”行。选择 2 秒作为关键帧，此时该行完整呈蓝色选中状态，鼠标远离目标，便于标注。","start_frame":0,"end_frame":210,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[186.5,290.7,319.3,324.1],"positive_points":[[217.7,306.5],[236,307],[197.9,300],[266.7,302.8],[288.5,315],[312.5,307]],"negative_points":[[234,274],[237,341],[237,373],[242,662]],"evidence":"目标是左侧导航栏中带蓝色向下箭头、标注“下载”的浅蓝色选中行。边框覆盖整行选中表面、图标和文字；正点分布在图标、标签及行内表面，负点位于相邻的“此电脑”“图片”“文档”条目和下方鼠标光标处。"}},{"name":"Windows 10 Back button","description":"The left-pointing navigation arrow near the upper-left corner of the first File Explorer window. It is demonstrated returning from “下载” to “工作文档”.","membership":"Include the arrow and its button surface. Exclude the adjacent Forward button, history dropdown, Up button, cursor, and hover tooltip.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":8.75,"reference_s":2,"evidence":"目标是首个 Windows 10 文件资源管理器左上角的向左返回箭头及按钮表面，位于前进按钮左侧；4.50至4.75秒的画面变化显示其从“下载”返回“工作文档”。首个合格帧为0.00秒，末帧为8.50秒；视频起点之前无采样帧。8.75秒切换到布局、尺寸不同的“2025”文件夹演示镜头，不合并该独立出现。选择2.00秒为关键帧，按钮清晰，鼠标远离且无悬浮提示遮挡。","start_frame":0,"end_frame":210,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[191.7,161.1,212.0,194.4],"positive_points":[[197.9,177.8],[201.0,173.1],[204.7,177.8],[205.7,167.6],[205.7,186.1],[195.3,185.2]],"negative_points":[[225.5,177.8],[243.2,177.8],[259.4,177.8],[201.0,218.5]],"evidence":"目标是文件资源管理器左上角、地址栏左侧的向左返回箭头。框覆盖箭头及其按钮表面；正点分布在箭头和按钮表面，负点位于相邻的前进按钮、历史下拉、向上按钮以及下方外部背景，均未包含光标或提示框。"}},{"name":"Windows 10 Forward button","description":"The right-pointing arrow beside Back in the first File Explorer window. It is demonstrated reopening “下载” after navigating back to “工作文档”.","membership":"Include the arrow and its button surface through enabled, disabled, and hovered states. Exclude neighboring navigation controls and the cursor.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":8.75,"reference_s":6,"evidence":"目标是首个 Windows 10 文件资源管理器左上角、后退箭头右侧的前进按钮；其在返回“工作文档”后启用，并用于重新打开“下载”。首个合格帧为 0.00 秒，末个为 8.50 秒，包含禁用、启用和悬停状态。视频起点前无采样帧；8.75 秒切换为布局不同、显示“2025”文件夹的另一资源管理器画面，结束本次出现。选择 6.00 秒作为关键帧，此时箭头清晰启用，光标远离按钮，便于区分相邻控件。","start_frame":0,"end_frame":210,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[214.6,161.1,236.5,194.4],"positive_points":[[222.4,177.8],[228.6,177.8],[226.6,174.1],[218.2,168.5],[232.8,168.5],[231.8,187.0]],"negative_points":[[201.0,177.8],[243.2,177.8],[259.4,177.8],[225.5,210.2]],"evidence":"目标是资源管理器左上方、后退箭头右侧的向右箭头按钮。框覆盖箭头及其按钮表面；正点分布在箭头和按钮表面，负点位于相邻的后退、下拉、向上控件及下方外部空白，均避开光标。"}},{"name":"Instructional subtitle block","description":"The large white Chinese captions along the bottom of the video. They continuously explain folder navigation, browsing history, returning to a parent folder, and the phone Back-button analogy.","membership":"Include only the currently displayed subtitle text as one changing text block. Exclude the black background, application interfaces, and upper comparison headings.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":26,"reference_s":6,"evidence":"目标是视频底部持续显示的大号白色中文字幕，内容随讲解更换，作为同一变化的字幕块；不包括黑色背景、应用界面和顶部比较标题。首个合格帧为0秒，最后为25.75秒，所有采样帧中字幕均完整可见。区间覆盖视频首尾，两侧没有额外采样帧。选择6秒帧，字幕完整清晰，与上方界面分离，便于标注。","start_frame":0,"end_frame":624,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[152.6,887.0,846.9,935.2],"positive_points":[[186.5,908.3],[260.9,912.0],[409.4,909.3],[474.0,907.4],[642.7,895.4],[834.9,911.1]],"negative_points":[[130.2,911.1],[885.4,911.1],[494.8,963.0],[520.8,787.0]],"evidence":"目标是画面底部白色中文字幕“这时点击后退就是回到刚才打开的工作文档文件夹”。边界框紧贴整行文字，六个正点分布在不同汉字的笔画上；负点位于文字左右及下方的黑色背景和上方应用界面，均远离字幕。"}},{"name":"Windows 10 navigation-history dropdown button","description":"The small downward chevron between Forward and Up in the first File Explorer window. It is clicked while “2025” and its Word documents are displayed.","membership":"Include the chevron and its compact button surface. Exclude Back, Forward, Up, the cursor, and the separately identified expanded history menu.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":13.75,"reference_s":6.0,"evidence":"目标是 Windows 10 文件资源管理器中“前进”和“向上”之间的小向下箭头及紧凑按钮区域；显示“2025”和 Word 文档时点击它会展开历史菜单。首个合格帧为 0.00 秒，最后为 13.50 秒，期间文件夹内容及窗口布局变化不影响该按钮的连续存在。13.75 秒切换为 Windows 11 窗口，该按钮不再出现；视频起点之前无采样帧。选择 6.00 秒作为关键帧，按钮清晰且没有光标或菜单遮挡。","start_frame":0,"end_frame":330,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[236.98,164.81,249.48,191.67],"positive_points":[[241.67,176.85],[243.23,178.7],[244.79,176.85],[240.1,170.37],[246.35,171.3],[243.75,185.19]],"negative_points":[[201.56,177.78],[225.52,177.78],[259.38,178.7],[279.17,176.85]],"evidence":"目标是资源管理器左上方 Forward 与 Up 之间的小向下箭头。框覆盖该箭头及其紧凑按钮表面；正点分布在箭头和按钮表面，负点位于后退、前进、向上按钮及右侧地址栏，均不属于目标。"}},{"name":"Windows 10 browsing-history menu","description":"The rectangular dropdown beneath the first window’s navigation controls. It shows a checked “2025” entry and a vertical history including “此电脑”, “文档”, and “本地磁盘 (D:)”.","membership":"Include the menu surface, boundary, all entries, checkmark, and selection highlighting. Exclude the Explorer content behind it, the dropdown button, and cursor.","id":"obj_007","temporal":{"status":"found","start_s":10.75,"end_s":13.75,"reference_s":11.0,"evidence":"目标是 Windows 10 导航控件下方的矩形历史菜单，含勾选的“2025”、蓝色选中高亮及“此电脑”“文档”“本地磁盘 (D:)”等条目。首个完整呈现帧为10.75秒，最后 qualifying 帧为13.50秒；此前10.50秒菜单仍在淡入，之后13.75秒已切换为 Windows 11 窗口，原菜单消失。选择11.00秒作为关键帧，菜单边界及全部条目清晰，遮挡少。","start_frame":258,"end_frame":330,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[177.6,188,281.3,518.5],"positive_points":[[190,206],[217,240],[258,302],[214,369],[212,434],[240,499]],"negative_points":[[241,177],[365,291],[297,323],[160,370]],"evidence":"目标是导航控件下方展开的浏览历史菜单，顶部为带勾选和蓝色高亮的“2025”，下方含“此电脑”“文档”“本地磁盘 (D:)”等条目。边框覆盖整个菜单表面、边界和全部条目；正点分布于高亮项、历史条目及菜单表面，负点位于上方光标、右侧文件与资源管理器内容以及左侧外部背景。"}},{"name":"Windows 11 File Explorer window","description":"The tabbed File Explorer window introduced with “2025” open and ten “项目报告” Word documents. Its history menu is opened, “工作文档” is revisited, and the interface subsequently appears on the right of the Windows 10/11 comparison.","membership":"Include the entire window surface and boundary, tab strip, toolbar, navigation pane, address bar, file area, scrollbars, and status bar. Separately identified child controls remain within this region. Exclude subtitles, comparison headings, surrounding black background, watermark, and temporary dimming or emphasis overlays.","id":"obj_008","temporal":{"status":"found","start_s":13.75,"end_s":22.0,"reference_s":18.5,"evidence":"13.75秒首次完整出现带标签页的Windows 11文件资源管理器，打开“2025”并显示十个“项目报告”Word文档；随后打开历史菜单、返回“工作文档”，并在双系统对比画面右侧继续出现。最后合格帧为21.75秒。此前13.50秒仍是Windows 10窗口，此后22.00秒切换为手机设置界面。选择18.50秒作为关键帧，此时整个窗口边界清晰，无历史菜单或强调遮罩遮挡。","start_frame":330,"end_frame":528,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[242.7,63.4,757.3,863.9],"positive_points":[[318,95],[558,154],[422,341],[302,504],[640,574],[544,845]],"negative_points":[[167,439],[813,523],[501,914],[902,64]],"evidence":"通过圆角窗口、标签页“工作文档”、Windows 11 工具栏及文件区内选中的“2025”文件夹识别目标。边界框覆盖整个资源管理器窗口，包括标题栏、地址栏、导航窗格、文件区和状态栏。正点分布在这些窗口区域；负点位于左右黑色背景、底部字幕及右上角水印，均不属于窗口。"}},{"name":"Windows 11 Back button","description":"The left-pointing arrow at the upper left of the Windows 11 Explorer window. Right-clicking it opens the browsing-history menu; it remains visible when the window moves into the right-hand comparison layout.","membership":"Include the arrow and its button surface. Exclude the Forward and Up controls, expanded history menu, tooltip, cursor, and emphasis effects.","id":"obj_009","temporal":{"status":"found","start_s":13.75,"end_s":22.0,"reference_s":18.5,"evidence":"目标是 Windows 11 文件资源管理器左上角的左向返回箭头及按钮表面，与右侧的前进、向上按钮区分。首个合格帧为13.75秒，随后可见右键打开历史菜单，并持续保留到右侧对比布局中的21.75秒。前一帧13.50秒仍是Windows 10界面；后一帧22.00秒已切换为手机设置界面。选择18.50秒作为关键帧，此时返回按钮清晰，无遮挡且无历史菜单或强调效果干扰。","start_frame":330,"end_frame":528,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[253.6,135.2,274.5,172.2],"positive_points":[[260.4,153.7],[263.5,148.2],[267.2,153.7],[263.1,159.1],[258.3,142.6],[270.3,166.7]],"negative_points":[[302.8,153.7],[341.1,153.7],[380.2,153.7],[285.9,222.2]],"evidence":"目标是资源管理器左上角导航栏中的左向返回箭头。框覆盖箭头及其按钮表面；正点分布在箭头笔画和按钮表面，负点位于前进、向上、刷新控件及下方“新建”区域，排除相邻控件。"}},{"name":"Windows 11 Up button","description":"The upward-pointing navigation arrow beside Forward in the Windows 11 window. It is later singled out in the right-hand comparison as the control for returning to the parent folder.","membership":"Include the upward arrow and its button surface. Exclude adjacent controls, the red underline, and the surrounding temporary spotlight.","id":"obj_010","temporal":{"status":"found","start_s":13.75,"end_s":20.0,"reference_s":14.5,"evidence":"目标是 Windows 11 文件资源管理器中，前进按钮右侧、刷新按钮左侧的向上箭头及按钮表面。13.75 秒首次完整出现，至 19.75 秒持续可见；前一帧 13.50 秒仍为 Windows 10 窗口，后一帧 20.00 秒切换为独立的双系统对比画面，不合并该次展示。选择 14.50 秒作为关键帧，按钮清晰完整，无菜单或强调遮罩遮挡；不包含相邻控件。","start_frame":330,"end_frame":480,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[328.6,132.4,354.2,176.9],"positive_points":[[340.9,147.2],[337.8,151.4],[344.2,151.7],[341.1,160.6],[333.5,166.9],[348.4,168.1]],"negative_points":[[302.8,153.7],[380.1,153.6],[420.9,153.8],[340.8,222.8]],"evidence":"目标位于窗口顶部导航栏，在前进箭头右侧、刷新按钮左侧。框覆盖向上箭头及其浅色按钮表面；正点分布在箭头和按钮表面，负点位于前进、刷新、地址栏图标及下方工具栏，均不属于目标。"}},{"name":"Windows 11 browsing-history menu","description":"The rounded menu opened beneath Back in the Windows 11 window. Its four visible destinations are “工作文档”, “文档”, “本地磁盘 (D:)”, and “此电脑”.","membership":"Include the rounded menu surface, boundary, and all four entries. Exclude the window behind it, the Back button, and cursor.","id":"obj_011","temporal":{"status":"found","start_s":15.0,"end_s":18.0,"reference_s":16.0,"evidence":"目标是 Windows 11 窗口后退按钮下方的圆角浏览历史菜单，包含“工作文档”“文档”“本地磁盘 (D:)”“此电脑”四项。15.00 秒首次完整显示，17.75 秒为最后 qualifying 帧；此前 14.75 秒尚未出现菜单，此后 18.00 秒菜单消失，窗口已跳转到工作文档。选择 16.00 秒作为关键帧，菜单边界及四项文字清楚，无遮挡。","start_frame":360,"end_frame":432,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[263.5,146.3,354.2,332.4],"positive_points":[[290,173],[288,218],[309,263],[293,307],[340,200],[333,319]],"negative_points":[[249,237],[380,154],[293,371],[422,337]],"evidence":"目标是后退按钮下方的圆角浏览历史菜单，包含“工作文档”“文档”“本地磁盘 (D:)”“此电脑”四项。框覆盖菜单表面、边界及全部条目，不包含外围阴影、后退按钮或后方窗口。六个正点分布在四项文字与菜单表面，四个负点位于菜单外的窗口背景、工具栏、下载项及文件图标处。"}},{"name":"Windows 10 comparison window","description":"The Windows 10 Explorer window presented on the left of the side-by-side comparison after the Windows 11 demonstration. It displays “2025” with ten Word-document icons.","membership":"Include the complete left-hand window, its boundary, title bar, ribbon, navigation controls, sidebar, document area, and status bar. Exclude the heading above it, black background, subtitles, and temporary dimming and spotlight effects.","id":"obj_012","temporal":{"status":"found","start_s":20.0,"end_s":22.0,"reference_s":20.0,"evidence":"目标是双窗口对比画面左侧的 Windows 10 资源管理器，标题为“2025”，文档区显示十个 Word 文件，窗口边界、标题栏、功能区、侧栏和状态栏完整。首次符合帧为20.00秒，最后为21.75秒；前一帧19.75秒仍是单独的 Windows 11 窗口，后一帧22.00秒已切换为手机设置页面。选择20.00秒作为关键帧，左侧窗口完整且与右侧 Windows 11 窗口清楚分离；临时调暗和聚光效果不属于目标。","start_frame":480,"end_frame":528,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[21.9,123.1,491.1,853.7],"positive_points":[[100,143],[75,319],[253,216],[197,341],[443,682],[257,835]],"negative_points":[[265,73],[675,550],[492,916],[140,929]],"evidence":"目标是左侧标题为“2025”、显示十个 Word 文档的 Windows 10 资源管理器窗口。边界框覆盖整个窗口，包括标题栏、功能区、导航控件、侧栏、文档区和状态栏；正点分布在这些窗口区域。负点位于上方标题、右侧 Windows 11 窗口、下方字幕和黑色背景。临时暗化与聚光效果不作为目标组成部分。"}},{"name":"Windows 10 comparison Up button","description":"The upward-pointing arrow in the left comparison window’s navigation row. It is presented alongside the Windows 11 equivalent to explain returning one folder level upward.","membership":"Include the arrow and its button surface. Exclude Back, Forward, the history chevron, red underline, and temporary spotlight.","id":"obj_013","temporal":{"status":"found","start_s":20.0,"end_s":22.0,"reference_s":20.0,"evidence":"目标是双窗口对比画面中左侧 Win10 导航栏的向上箭头及按钮表面，不包括旁边的后退、前进、历史下拉箭头、红线和聚光效果。首个合格帧为20.00秒，最后为21.75秒；此前19.75秒是单独的 Win11 窗口，之后22.00秒切换为手机设置页面。选择20.00秒作为关键帧，目标结构清晰，与右侧 Win11 对应按钮易于区分。","start_frame":480,"end_frame":528,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[82.3,200.9,98.4,231.5],"positive_points":[[90.4,210.9],[88.4,215.0],[92.6,215.0],[90.4,223.1],[84.9,223.1],[95.4,221.3]],"negative_points":[[35.9,217.6],[58.9,217.6],[75.5,216.7],[90.6,236.1]],"evidence":"目标是左侧 Windows 10 导航栏中的向上箭头按钮。框仅覆盖箭头及其小块按钮表面，不包含整条白色聚光区域或红色下划线。正点分布于箭头和按钮表面；负点位于返回、前进、历史下拉箭头及红色下划线上。"}},{"name":"Windows 10 comparison heading","description":"The large white heading above the left comparison window, reading “Win10系统（开始按钮长这样” before a Windows Start symbol, with a closing parenthesis after it.","membership":"Include the heading’s text glyphs and punctuation. Exclude the separate Start symbol and its square backing, the Explorer window below, and the black background.","id":"obj_014","temporal":{"status":"found","start_s":20.0,"end_s":22.0,"reference_s":20.0,"evidence":"目标为左右系统对比画面左上方的白色“Win10系统（开始按钮长这样…）”标题，仅含文字和标点，不含独立 Start 图标及方形底板。首个合格帧为20.00秒，最后为21.75秒；此前19.75秒仍是单个 Win11 资源管理器画面，之后22.00秒已切换为手机设置画面，均无该标题。选择20.00秒作为关键帧，标题完整清晰且无遮挡。","start_frame":480,"end_frame":528,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[47.4,40.7,463.5,95.4],"positive_points":[[54.2,67.6],[120.8,72.2],[159.9,45.4],[251,57.4],[408.3,75.9],[460.9,72.2]],"negative_points":[[437.5,68.5],[572.9,71.3],[203.1,319.4],[260.4,108.3]],"evidence":"目标是左侧窗口上方的白色 Win10 系统说明标题。边界框覆盖全部文字及括号，正点分布在英文、数字、中文和末尾括号笔画上；框内独立的开始符号及方形底板不属于目标，负点位于该符号、右侧标题、下方资源管理器和外部黑色背景。"}},{"name":"Windows 10 Start symbol","description":"The black, perspective-shaped four-pane Windows mark in a light square at the end of the Windows 10 comparison heading.","membership":"Include the complete square graphic and the Windows mark inside it. Exclude the surrounding heading text and adjacent punctuation.","id":"obj_015","temporal":{"status":"found","start_s":20.0,"end_s":22.0,"reference_s":20.0,"evidence":"目标位于左右系统对比画面的左上方，Win10标题末尾，是浅色正方形内的黑色透视四格Windows标志，不包含旁边文字和括号。首个符合帧为20.00秒，最后为21.75秒，期间图形完整持续可见。前一帧19.75秒仍是单个文件资源管理器窗口，没有该标题图标；后一帧22.00秒切换为手机设置页面，目标消失。选择20.00秒作为关键帧，方形边界和内部标志清晰且无遮挡。","start_frame":480,"end_frame":528,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[420.3,40.7,454.7,95.4],"positive_points":[[423.4,46.3],[450.5,46.3],[423.4,88.9],[450.5,89.8],[431.3,60.2],[441.1,77.8]],"negative_points":[[407.3,72.2],[460.4,74.1],[437.5,23.1],[437.5,110.2]],"evidence":"目标位于左侧 Win10 比较标题末尾，是浅色方块内的黑色透视四窗格标志。边界框覆盖完整方形图案；正点分布在方块底色及窗格上，负点位于左邻标题、右邻括号和上下外部黑色背景，排除周围文字与标点。"}},{"name":"Windows 11 comparison heading","description":"The large white heading above the right comparison window, reading “Win11系统（开始按钮长这样” before the blue Windows Start symbol.","membership":"Include only the heading text and its punctuation. Exclude the separate Start graphic, the Explorer window below, the black background, and the overlaid watermark.","id":"obj_016","temporal":{"status":"found","start_s":20.0,"end_s":22.0,"reference_s":20.0,"evidence":"目标是左右系统对比画面中，右侧资源管理器上方的白色“Win11系统（开始按钮长这样”标题文字及标点，不含蓝色 Start 图形和水印。首个合格帧为20.00秒，最后为21.75秒，期间标题持续完整显示。前一帧19.75秒是单独的 Win11 文件夹窗口，没有该标题；后一帧22.00秒切换为手机设置画面，标题消失。选择20.00秒作为关键帧，标题结构清晰，易与下方窗口和独立图形区分。","start_frame":480,"end_frame":528,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[544.3,43.5,906.3,100],"positive_points":[[553.6,74.1],[619.3,76.9],[691.7,72.2],[742.2,73.1],[797.4,78.7],[892.2,81.5]],"negative_points":[[926.6,70.4],[968.2,67.6],[760.4,207.4],[764.6,18.5]],"evidence":"目标是右侧窗口上方的白色“Win11系统（开始按钮长这样”标题。边界框紧贴蓝色开始图标之前的标题文字及标点；正点分布在英文、数字和汉字笔画上，负点位于独立开始图标、右上角水印、下方资源管理器窗口和外部黑色背景。"}},{"name":"Windows 11 Start symbol","description":"The blue four-pane Windows mark on a light square at the end of the Windows 11 comparison heading.","membership":"Include the square graphic and its enclosed blue Windows mark. Exclude neighboring text, punctuation, and the overlaid watermark.","id":"obj_017","temporal":{"status":"found","start_s":20.0,"end_s":22.0,"reference_s":20.0,"evidence":"目标是双系统对比画面右上方 Windows 11 标题末端的浅色方块及其中蓝色四窗格标志，不包括邻接文字、括号和叠加水印。首个 qualifying 帧为20.00秒，最后为21.75秒；此前19.75秒是单独的资源管理器画面，此后22.00秒切换为手机设置画面，均无该标志。选择20.00秒作为关键帧，方块边界与蓝色标志已完整呈现，便于与标题和水印区分。","start_frame":480,"end_frame":528,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[911.5,40.7,944.8,100.9],"positive_points":[[915.1,94.4],[940.6,95.4],[914.6,47.2],[921.4,59.3],[933.9,61.1],[934.9,83.3]],"negative_points":[[893.2,69.4],[951.6,82.4],[967.7,62.0],[927.1,113.0]],"evidence":"目标位于右侧 Windows 11 标题末端，是浅色方块内的蓝色四窗格标志。框紧贴该方形图案；正点分布在浅色底面和蓝色窗格的未遮挡部分，负点位于邻近文字、括号、水印及方块下方背景，排除这些非目标内容。"}},{"name":"Phone Settings interface","description":"The narrow portrait settings interface centered against black after the computer comparison. It initially shows “日期、时间、温度”, then returns through “全局高级设置” to “设置”.","membership":"Include the complete rectangular phone-screen panel, its status bar, page header, settings cards, labels, values, switches, and other displayed interface contents. Exclude the surrounding black background, subtitles, and watermark.","id":"obj_018","temporal":{"status":"found","start_s":22.0,"end_s":26.0,"reference_s":22.0,"evidence":"目标是黑色背景中央完整的竖屏手机设置面板，包含状态栏、标题及设置卡片。首个合格帧为22.00秒，之前21.75秒仍是Win10/Win11文件资源管理器对比；面板随后从“日期、时间、温度”切换到“全局高级设置”和“设置”，容器持续存在。最后合格帧为25.75秒，区间延续至视频结束26.00秒，无后续帧。选择22.00秒作为关键帧，面板边界完整清晰、无遮挡。","start_frame":528,"end_frame":624,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[385.42,53.7,614.58,853.7],"positive_points":[[434,77],[501,122],[423,212],[580,381],[440,598],[530,773]],"negative_points":[[335,418],[664,417],[504,912],[898,69]],"evidence":"目标为画面中央标题显示“日期、时间、温度”的竖向手机设置界面。边界框覆盖完整矩形屏幕，包括状态栏、标题、设置卡片及底部空白区域。正点分布在屏幕各部分；负点位于两侧黑色背景、底部字幕和右上角水印，均不属于目标。"}},{"name":"Phone Settings Back arrow","description":"The left-pointing arrow at the upper left of the portrait settings page. It illustrates returning from the date-and-time page to higher-level settings screens.","membership":"Include the arrow and its compact control surface wherever it appears in the settings header. Exclude the page title, status bar, and settings rows beneath it.","id":"obj_019","temporal":{"status":"found","start_s":22.0,"end_s":25.25,"reference_s":22.25,"evidence":"目标是竖屏手机设置页标题栏左上角的左向返回箭头。22.00秒首次完整出现，随后在日期时间页和上级设置页中持续可见；25.00秒随页面向右移动时仍完整可见，为最后合格帧。此前21.75秒是电脑资源管理器对比画面；25.25秒已切换到无返回箭头的设置主页。选择22.25秒作关键帧，箭头清晰且无遮挡，便于与标题和状态栏区分。","start_frame":528,"end_frame":606,"reference_frame":534},"grounding":{"status":"found","bbox_xyxy":[393.8,114.8,402.1,128.7],"positive_points":[[395.3,121.3],[396.4,118.5],[397.4,116.7],[396.4,124.1],[397.9,126.9],[400.0,121.3]],"negative_points":[[494.8,122.2],[438.5,76.9],[421.4,211.1],[419.3,122.2]],"evidence":"目标是设置页标题左侧的灰色左向返回箭头。框紧贴箭头的可见范围，未扩展到整条标题栏；六个正点分布在箭头两侧斜线及横杆上，负点位于页面标题、状态栏、下方设置行和箭头右侧的外部空白处。"}}]}
+{"video_id":54,"video_type":"desktop and application interfaces","targets":[{"name":"Order data table","description":"Excel table with Chinese column headings, including「訂單編號」,「日期」,「項目」,「商店」and「業務員」. Its product cells have orange, yellow, green, or unfilled backgrounds. Initially partly covered by the sorting dialog, the table is subsequently reordered into orange, yellow, green, and unfilled groups.","membership":"Includes the complete populated rectangular table, its header row and filter controls, all order records, cell backgrounds, text, numbers, and internal gridlines. Excludes worksheet row and column headings, surrounding empty cells, the ribbon, selection outlines, and the overlaid sorting dialog.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":23,"evidence":"目標為含「訂單編號」「日期」「項目」「商店」「業務員」等標題及彩色商品儲存格的完整訂單表。首個合格影格為0秒，表格已建立，僅部分被排序對話框遮住；排序前後為同一表格，持續存在至最後影格24.75秒。區間涵蓋影片起訖，兩端均無外側影格。選23秒作關鍵影格，因對話框已消失，整張表格清楚可見，商品列已按橘、黃、綠及無填色分組。","start_frame":0,"end_frame":600,"reference_frame":552},"grounding":{"status":"found","bbox_xyxy":[20.3,193.1,743.0,947.2],"positive_points":[[60.9,219.4],[210.9,304.2],[210.2,465.3],[210.9,594.4],[397.7,763.9],[718.8,930.6]],"negative_points":[[339.8,94.4],[139.8,177.8],[10.2,681.9],[810.9,598.6]],"evidence":"依據訂單編號、日期、項目、商店、業務員等中文欄名及橙、黃、綠色商品儲存格，確認此訂單資料表。框涵蓋 A1 至 J18 的完整表頭、篩選控制與所有訂單記錄；正點分布於表頭、彩色商品格及中下部資料，負點位於功能區、工作表欄列標題和右側空白儲存格，不包含選取外框。"}},{"name":"Sort configuration dialog","description":"Centered Excel dialog titled「排序」. The demonstration changes the sort column to「項目」and the sort basis to「儲存格色彩」, then builds three levels placing orange, yellow, and green cells at「最上層」. The dialog closes after confirmation.","membership":"Includes the dialog surface and boundary, title bar, level-management controls, header checkbox, sorting rows, color swatches, dropdown controls, and confirmation and cancellation buttons. Includes the attached dropdown lists and color palettes while open. Excludes the worksheet behind it and the screen-recording cursor.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":22.5,"reference_s":21,"evidence":"目標為中央標題「排序」的 Excel 對話框，包含排序層級、下拉選單及色彩選擇盤。0 秒首幀已完整建立，影片起點之前無可檢查幀；其後修改內容仍為同一對話框。最後合格幀為 22.25 秒，22.5 秒已開始淡出，22.75 秒完全消失。選擇 21 秒作關鍵幀，對話框完整清晰，三個「項目／儲存格色彩」層級及橙、黃、綠色塊均可見，無展開選單遮擋。","start_frame":0,"end_frame":540,"reference_frame":504},"grounding":{"status":"found","bbox_xyxy":[297.7,320.8,851.6,770.8],"positive_points":[[319,348],[350,410],[435,498],[699,502],[698,599],[733,737]],"negative_points":[[211,425],[882,653],[550,851],[550,280]],"evidence":"中央標題為「排序」的對話框中，可見以「項目／儲存格色彩」設定橙、黃、綠三層排序。框涵蓋完整對話框邊界、標題列、層級控制、排序列與確認取消按鈕。正點分布於標題、控制項、排序欄位、色塊及確認按鈕；負點位於��外工作表。游標不屬於目標。"}}]}
+{"video_id":55,"video_type":"desktop and application interfaces","targets":[{"name":"Sample PDF text","description":"Five left-aligned paragraphs of black placeholder text in the document, beginning “Lorem ipsum dolor sit amet,” above which the DRAFT stamp is eventually placed.","membership":"Includes the complete five-paragraph text block. Excludes the white page background, menus that temporarily obscure it, and the stamp above it.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标是文档中以“Lorem ipsum dolor sit amet,”开头的五段左对齐黑色占位文本，不含页面背景和上方印章。首个合格帧为0.00秒，最后为14.75秒；中途印章菜单暂时遮挡右侧文字，但文本的位置与内容保持连续，菜单关闭后完整重现。区间覆盖视频首尾，两端均无界外采样帧。选择0.00秒作为关键帧，五段文字完整清晰且无遮挡。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[99.5,315.7,647,650],"positive_points":[[101,325],[614,357],[101,435],[242,513],[270,561],[510,608]],"negative_points":[[79,481],[363,281],[671,489],[364,687]],"evidence":"通过以“Lorem ipsum dolor sit amet,”开头的内容识别出正文。边界框覆盖完整的五段左对齐黑色占位文字，包括段内换行与段间间隔。六个正点分布在各段的文字笔画上，四个负点位于文字块上、下、左、右的外部白色页面背景，不包含工具栏或印章。"}},{"name":"Stamp tool button","description":"Rubber-stamp icon with a small dropdown arrow in the upper Comment toolbar, between the eraser and attachment tools. It opens the stamp selection menu.","membership":"Includes the stamp icon and its dropdown arrow as one functional control. Excludes neighboring tools, the cursor, and the temporary red emphasis rectangle.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":14.5,"evidence":"目标是上方 Comment 工具栏中位于橡皮擦与附件工具之间的橡皮图章图标及其下拉箭头，不包括红色强调框。它从首帧 0.00 秒到末帧 14.75 秒始终完整可见，菜单开合及颜色变化未改变该控件身份。区间覆盖视频全长，两端均无额外采样帧。选择 14.50 秒作为关键帧，此时菜单和红框均已消失，控件清晰且无遮挡。","start_frame":0,"end_frame":360,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[518.2,116.7,539.6,145.4],"positive_points":[[525,118.5],[522.4,125],[525,132.4],[520.3,136.1],[527.1,142.6],[537.5,130.6]],"negative_points":[[497.4,132.4],[561,131.5],[526,166.7],[526,98.1]],"evidence":"目标是上方 Comment 工具栏中位于橡皮擦与附件工具之间的橡皮图章按钮。框紧贴图章图标及其右侧下拉箭头；正点覆盖图章顶部、柄、底座和箭头，负点位于相邻工具及按钮外的背景。"}},{"name":"Comments panel","description":"Tall right-side panel initially displaying “No Comments Yet.” After the stamp is placed, it displays “1 comment” and an “Editor 1” card labeled “Applied Stamp,” with a comment input area.","membership":"Includes the panel surface, boundary, header controls, empty-state message, and subsequent comment card and input controls. Excludes the narrow colorful tools rail to its right and the document to its left.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":13.75,"evidence":"目标是文档右侧、彩色工具栏左侧的高竖向评论面板，起初显示“No Comments Yet”，放置印章后显示“1 comment”及“Editor 1 / Applied Stamp”评论卡和输入区。首个合格帧为0秒，最后为14.75秒；中途印章菜单虽局部遮挡面板，但面板持续存在，内容变化不改变其身份。区间到达视频起止边界，两侧均无额外采样帧。选择13.75秒作为关键帧，面板无遮挡，边界、标题控件和评论卡清晰可辨。","start_frame":0,"end_frame":360,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[767.7,157.4,970.3,953.7],"positive_points":[[810.9,184.3],[935.9,186.1],[815.1,314.8],[908.9,358.3],[808.3,555.6],[932.8,868.5]],"negative_points":[[681.3,543.5],[985.4,607.4],[887,129.6],[822.9,976.9]],"evidence":"右侧显示“1 comment”，并有“Editor 1 / Applied Stamp”卡片及输入区，确定为评论面板。边框覆盖面板标题、控件、卡片和下方空白表面，排除左侧文档及右侧彩色工具栏。正点分布在标题、控件、卡片、输入区及面板空白处；负点位于文档、彩色工具栏、上方工具区和底部任务栏。"}},{"name":"Stamp dropdown menu","description":"Menu opened beneath the Stamp tool, with a green APPROVED preview at the top and options including “Show Stamps Palette,” “Dynamic,” “Sign Here,” “Standard Business,” and “Custom Stamps.”","membership":"Includes the complete menu surface, border, preview, menu labels, arrows, separators, and disabled options. Excludes the toolbar button and the separate category submenus opening to the right.","id":"obj_004","temporal":{"status":"found","start_s":1.75,"end_s":12.0,"reference_s":3.0,"evidence":"目标是 Stamp 工具下方的主下拉菜单，顶部有绿色 APPROVED 预览，下方包含指定选项；不含右侧分类子菜单。首个合格帧为 1.75 秒，菜单表面及边框已完整建立；前一帧 1.50 秒尚未展开。最后合格帧为 11.75 秒，12.00 秒菜单开始淡出，12.25 秒已消失。选择 3.00 秒作为关键帧，此时主菜单清晰完整，且没有右侧子菜单干扰。","start_frame":42,"end_frame":288,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[518.2,144.4,752.6,577.8],"positive_points":[[595.3,180.6],[590.6,246.3],[705.7,300.9],[620.3,419.4],[598.4,508.3],[688.0,551.9]],"negative_points":[[496.9,129.6],[796.9,370.4],[485.4,449.1],[679.2,620.4]],"evidence":"根据顶部绿色 APPROVED 预览及 Show Stamps Palette、Dynamic、Custom Stamps 等选项识别该下拉菜单。边界框覆盖完整菜单表面、边框、分隔线与禁用选项，不包含上方工具栏。正点分布于预览、标签和菜单表面，负点位于上方工具栏及菜单左、右、下方的外部区域。"}},{"name":"Dynamic stamp submenu","description":"Submenu appearing to the right of the stamp dropdown when “Dynamic” is hovered. It contains REVISED, REVIEWED, RECEIVED, APPROVED, and CONFIDENTIAL previews with date, time, or author information.","membership":"Includes the submenu surface, border, and all five stamp previews with their embedded text. Excludes the parent dropdown and underlying Comments panel.","id":"obj_005","temporal":{"status":"found","start_s":5.25,"end_s":6.5,"reference_s":5.5,"evidence":"目标是印章下拉菜单右侧的 Dynamic 子菜单，包含 REVISED、REVIEWED、RECEIVED、APPROVED 和 CONFIDENTIAL 五个带日期、时间或作者信息的预览。首个完整呈现帧为5.25秒，最后 qualifying 帧为6.25秒；此前5.00秒仍处于淡入状态，此后6.50秒该子菜单已消失。选择5.50秒作为关键帧，因为子菜单边框、表面及五个预览均清晰可见，无明显遮挡。","start_frame":126,"end_frame":156,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[748.4,258.3,908.3,612],"positive_points":[[807.3,292.6],[828.1,361.1],[822.9,430.6],[826.6,499.1],[820.3,571.3],[897.9,525.9]],"negative_points":[[640.6,310.2],[677.1,510.2],[859.4,692.6],[926,379.6]],"evidence":"目标是父级印章菜单右侧的 Dynamic 子菜单，含 REVISED、REVIEWED、RECEIVED、APPROVED 和 CONFIDENTIAL 五个预览。边界框覆盖子菜单表面、边框和全部预览；六个正点分布于五个预览及右侧菜单表面，负点位于左侧父菜单和子菜单外的 Comments 面板区域。"}},{"name":"Sign Here stamp submenu","description":"Submenu replacing the Dynamic choices on the right, containing yellow WITNESS, purple INITIAL HERE, and orange-red SIGN HERE arrows, followed by a green check mark and red cross.","membership":"Includes the entire submenu surface and boundary, its three arrow stamps, check mark, and cross. Excludes the parent dropdown and background panel.","id":"obj_006","temporal":{"status":"found","start_s":7.0,"end_s":9.25,"reference_s":7.5,"evidence":"目标是父下拉菜单右侧的 Sign Here 子菜单，包含 WITNESS、INITIAL HERE、SIGN HERE 三个箭头印章及绿色勾、红色叉。首个完整呈现帧为 7.00 秒，最后合格帧为 9.00 秒；此前 6.75 秒仍在淡入，之后 9.25 秒已被正在出现的 Standard Business 子菜单替换。选择 7.50 秒作为关键帧，菜单边界与全部五个图案清晰可见，无遮挡。","start_frame":168,"end_frame":222,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[748.4,290.7,908.3,644.4],"positive_points":[[826,326],[825,397],[827,466],[785,538],[784,605],[894,557]],"negative_points":[[662,310],[932,463],[828,245],[828,699]],"evidence":"目标是父下拉菜单右侧的 Sign Here 印章子菜单，含 WITNESS、INITIAL HERE、SIGN HERE 三个箭头及绿色勾、红色叉。框覆盖整个子菜单表面和边界；六个正点分布在五个印章及菜单空白表面，负点位于左侧父菜单和子菜单外的背景面板。"}},{"name":"Standard Business stamp submenu","description":"Tall right-hand submenu containing business-status stamps, from APPROVED and NOT APPROVED through DRAFT, FINAL, COMPLETED, CONFIDENTIAL, and INFORMATION ONLY. DRAFT is selected here.","membership":"Includes the submenu surface, border, and all displayed stamp choices, including the separately identified DRAFT option. Excludes the parent dropdown and underlying application interface.","id":"obj_007","temporal":{"status":"found","start_s":9.5,"end_s":12.0,"reference_s":11.75,"evidence":"目标是父级印章下拉菜单右侧的高长子菜单，包含 APPROVED、NOT APPROVED、DRAFT 至 INFORMATION ONLY 等选项。首个合格帧为9.50秒，末个为11.75秒；9.25秒仍在淡入，12.00秒子菜单已开始消失，仅残留DRAFT选项。选择11.75秒作为关键帧，此时菜单边界和全部选项清晰，DRAFT处于高亮选择状态。","start_frame":228,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[748.4,161.1,908.3,1000],"positive_points":[[817.7,198.1],[809.4,336.1],[858.3,475.9],[802.1,610.2],[828.1,823.1],[868.8,962]],"negative_points":[[645.8,342.6],[937.5,555.6],[625,703.7],[833.3,129.6]],"evidence":"目标是右侧纵向的 Standard Business 印章子菜单，包含 APPROVED 至 INFORMATION ONLY，且 DRAFT 行高亮。边界框覆盖子菜单可见的表面、边框及全部印章选项，底边到图像下沿。正点分布在上中下部的印章选项上；负点位于左侧父菜单、右侧应用界面、文档区域和上方工具栏，均不属于该子菜单。"}},{"name":"DRAFT stamp menu option","description":"Pale lavender rounded rectangular stamp with dark blue italic “DRAFT,” third from the top in the Standard Business submenu. This is the option chosen for placement.","membership":"Includes the stamp’s rounded outer border, enclosed pale surface, and DRAFT lettering. Excludes the surrounding menu surface, hover highlight, cursor, and other stamp options.","id":"obj_008","temporal":{"status":"found","start_s":9.5,"end_s":12.0,"reference_s":10.0,"evidence":"目标是 Standard Business 子菜单自上而下第三项：淡紫色圆角边框内的深蓝色斜体“DRAFT”，不含菜单背景及悬停高亮。首个完整呈现帧为9.50秒，最后合格帧为11.75秒；此前9.25秒子菜单及文字仍在淡入，之后12.00秒选项已开始随菜单淡出。选择10.00秒作为关键帧，此时边框和文字清晰，且没有光标遮挡。","start_frame":228,"end_frame":288,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[767.7,307.4,845.8,364.8],"positive_points":[[772.4,324.1],[779.2,347.2],[796.9,327.8],[814.1,342.6],[829.7,325],[840.6,350]],"negative_points":[[830.7,268.5],[801.6,405.6],[875,334.3],[754.2,338]],"evidence":"目标位于右侧 Standard Business 子菜单第三项，为浅紫色圆角框内的深蓝色“DRAFT”。边界框紧贴该印章外轮廓，包含边框、浅色内部和文字。六个正点分布在印章内部及文字上；负点位于上下相邻印章和左右菜单背景，均不属于目标。"}},{"name":"DRAFT stamp on the PDF","description":"Enlarged lavender DRAFT stamp appearing above the document’s first paragraph after selection. It moves slightly left during placement and remains there as the selected applied annotation.","membership":"Includes the rounded rectangular stamp boundary, enclosed lavender surface, and dark blue DRAFT lettering throughout preview and placement. Excludes the blue selection rectangle, resize and rotation handles, document background, and corresponding Comments panel card.","id":"obj_009","temporal":{"status":"found","start_s":12.5,"end_s":15.0,"reference_s":14.5,"evidence":"目标是正文首段上方带圆角边界、淡紫色底和深蓝色 DRAFT 字样的放大印章，不包括蓝色选择框和手柄。首个合格帧为12.50秒，随后向左移动并成为已应用批注；13.25秒短暂重绘空白前后的位置与结构确认其连续性。此前12.25秒仅见右侧菜单残影，PDF上尚无完整印章。最后合格帧为14.75秒，持续至视频15.00秒结束，无后续采样帧。选择14.50秒作为关键帧，印章清晰完整且位置稳定。","start_frame":300,"end_frame":360,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[207.3,186.1,336.5,282.4],"positive_points":[[211,230],[240,191],[224,239],[273,237],[309,224],[326,266]],"negative_points":[[271.9,170.4],[187.5,231.5],[113.5,325],[833.3,317.6]],"evidence":"目标是正文首段上方已选中的淡紫色 DRAFT 印章。边界框紧贴印章的圆角外框，包含紫色底面和深蓝文字，不包含蓝色选择框及控制柄。正点分布于印章底面、边缘和字母；负点位于上方旋转柄、左侧页面背景、下方正文及右侧评论卡片。"}}]}
+{"video_id":56,"video_type":"desktop and application interfaces","targets":[{"name":"Task-list navigation sidebar","description":"The dark left panel of Microsoft To Do, containing the account area, Search, and navigation entries such as My Day, Important, Planned, and Tasks. The newly created Video Creation list later appears below the divider.","membership":"Include the sidebar surface, boundary, account area, search field, navigation rows, counts, and bottom controls. Exclude the task workspace to its right, desktop background, and cursor.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":1,"evidence":"目标是 Microsoft To Do 左侧深色导航面板，包含账户区、Search、My Day 等导航行、计数及底部 New List 控件，不含右侧任务区。首个合格帧为 0.00 秒，最后为 2.00 秒；2.25 秒画面放大后，侧栏顶部被画面边界裁切，故结束此段。视频起点之前无采样帧。选择 1.00 ��作为关键帧，侧栏结构完整清晰，边界易于辨认。","start_frame":0,"end_frame":54,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[217.2,103.7,378.1,818.5],"positive_points":[[252,148],[282,186],[258,283],[368,331],[285,579],[255,800]],"negative_points":[[297,218],[526,362],[164,483],[823,190]],"evidence":"目标是 Microsoft To Do 窗口左侧的深色导航栏。边框覆盖从顶部账户区、搜索框和导航条目到底部 New List 控件的完整侧栏，不包含右侧任务工作区。正点分布于账户、搜索、导航、计数、侧栏空白表面和底部控件；负点位于被排除的鼠标指针、右侧工作区及窗口外桌面。"}},{"name":"Task-list workspace","description":"The large right-hand workspace initially displaying My Day with seven unfinished tasks and a Completed section. It changes to an empty newly created list, then Video Creation, returns to My Day, and finally displays the populated Video Creation list.","membership":"Include the workspace surface and boundary, list heading, date when present, toolbar controls, task rows, completion and importance controls, Completed section, and bottom Add a Task field. Follow its changing width when the task-details panel opens. Exclude the left navigation sidebar and the separate task-details panel.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":1,"evidence":"目标是左侧导航栏右边的任务列表工作区，包含 My Day 标题、日期、七条未完成任务、Completed 区域及底部 Add a Task，不含导航栏。首个合格帧为 0.00 秒，最后为 2.00 秒；紧邻的 2.25 秒帧开始放大，工作区上部被画面边界裁切，因此结束此次连续出现。视频起点之前没有采样帧。选择 1.00 秒为关键帧，工作区边界完整、内容清晰且遮挡极少。","start_frame":0,"end_frame":54,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[378.1,103.7,773.4,818.5],"positive_points":[[405,146],[564,287],[733,145],[578,510],[658,666],[527,788]],"negative_points":[[289,215],[280,560],[818,445],[568,865]],"evidence":"目标是应用右侧显示“My Day”的任务列表工作区。边界框覆盖标题、日期、工具栏、七个未完成任务、Completed 区域和底部 Add a Task 输入栏，排除左侧导航栏。正点分布在标题、工具栏、任务行、已完成区域、工作区表面和输入栏；负点位于左侧导航栏及窗口外桌面。"}},{"name":"New List control","description":"The plus sign and New List label at the bottom-left of the navigation sidebar. This control is shown in close-up and activated to create a list.","membership":"Include the plus icon and New List label as one functional control. Exclude surrounding unused sidebar surface, the adjacent group-creation icon, and the cursor.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":0,"evidence":"目标是导航侧栏左下角的“+ New List”功能控件，包括加号和文字，不包括相邻图标或光标。首个合格帧为0.00秒，最后为29.75秒；期间虽有放大特写、光标遮挡和页面内容变化，控件始终连续存在且未退出画面。区间覆盖视频首尾，没有边界外的采样帧。选择0.00秒作关键帧，控件完整清晰、无遮挡，易与旁边的分组创建图标区分。","start_frame":0,"end_frame":720,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[228.1,794.4,266.7,806.5],"positive_points":[[229.2,800],[231.3,796.3],[241.1,799.1],[250.5,800.9],[257.3,801.9],[264.6,800]],"negative_points":[[281.3,799.1],[367.2,800],[252.6,774.1],[244.8,813]],"evidence":"目标位于导航侧栏左下角，由加号和“New List”文字组成。边界框紧贴这两部分；正点分布在加号及文字笔画上，负点位于周围闲置侧栏表面和右侧独立的创建组图标上。"}},{"name":"New list name heading","description":"The editable heading at the upper-left of the newly created empty workspace, initially reading Untitled list. Its selected text is replaced progressively with Video Creation and then displayed as a purple heading.","membership":"Include only the heading text throughout editing and its finalized display in this appearance. Exclude the selection highlight, caret, workspace backing, and nearby sharing and menu icons.","id":"obj_004","temporal":{"status":"found","start_s":6.75,"end_s":18.25,"reference_s":12.5,"evidence":"目标是新建空白工作区左上角的可编辑标题，最初为“Untitled list”，随后逐步改为“Video Creation”并显示为紫色。首个完整可见帧为6.75秒；前一帧6.50秒仍在缩放，标题未完整呈现。最后符合条件的帧为18.00秒，18.25秒工作区已切换为“My Day”，此次标题出现结束。选择12.50秒作为关键帧，因为定稿后的紫色标题清晰、无遮挡，便于仅标注文字并排除邻近图标。","start_frame":162,"end_frame":438,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[385.9,136.1,467.2,154.6],"positive_points":[[388.5,141.7],[399.0,146.3],[412.5,148.1],[421.4,141.7],[445.3,139.8],[460.4,145.4]],"negative_points":[[430,185],[371,146],[732,145],[257,368]],"evidence":"目标是空白工作区左上角紫色的“Video Creation”标题。边界框仅覆盖完整标题文字；六个正点分布在不同字母笔画上，负点位于外部工作区、左侧栏、分享图标及侧栏同名列表项，排除这些非目标内容。"}},{"name":"Video Creation navigation entry","description":"The new custom-list row below Tasks in the left sidebar, first labeled Untitled list and then Video Creation. It becomes the drop destination for the Outlook tutorial task and subsequently shows a count of 1.","membership":"Include the complete navigation row, its list icon, name, count when present, and row surface. Exclude neighboring navigation entries, the divider above, the cursor, and temporary drag-target outlines.","id":"obj_005","temporal":{"status":"found","start_s":6.5,"end_s":30.0,"reference_s":26.0,"evidence":"目标是左侧栏 Tasks 下方新增的自定义列表行，最初名为 Untitled list，随后改为 Video Creation，接收 Outlook 教程任务后显示计数 1。首个合格帧为 6.50 秒，缩小过程中文航行已完整可见；前一帧 6.25 秒仍仅展示侧栏底部 New List 区域。该行持续存在至最后一帧 29.75 秒，视频结束后无相邻帧。选择 26.00 秒作为关键帧，因为该行名称、图标、计数和选中行表面清楚，且没有临时拖放轮廓遮挡。","start_frame":156,"end_frame":720,"reference_frame":624},"grounding":{"status":"found","bbox_xyxy":[218.2,356.5,377.6,381.5],"positive_points":[[231.3,368.2],[256.3,368.1],[281.2,368.5],[325.0,363.9],[349.0,373.8],[368.7,368.2]],"negative_points":[[254.7,331.5],[267.7,404.6],[401.6,369.4],[302.0,379.0]],"evidence":"目标是左侧栏 Tasks 下方高亮的“Video Creation”导航行，右端显示计数 1。边界框覆盖整行表面、列表图标、名称和计数，不含上方分隔线。正点分布于图标、名称、计数及行表面；负点位于 Tasks 邻行、下方背景、右侧主面板及明确排除的鼠标指针上。"}},{"name":"Outlook tutorial task in My Day","description":"The task row reading make tutorial about Microsoft Outlook in the returned My Day view. It is opened and dragged toward Video Creation; after the drop, its secondary list label changes from Tasks to Video Creation.","membership":"Include the complete task card, its surface and boundary, completion circle, title, secondary list label, and importance star. Follow the card during dragging. Exclude other task rows, the cursor, and the separate copy of its information in the details panel.","id":"obj_006","temporal":{"status":"found","start_s":18.25,"end_s":25.75,"reference_s":20.0,"evidence":"目标是返回 My Day 后第二行的“make tutorial about Microsoft Outlook”完整任务卡，包含圆圈、标题、来源标签及星标；拖动期间跟随该卡，放下后来源标签变为 Video Creation。首个合格帧为18.25秒，前一帧18.00秒仍是空的 Video Creation 页面。最后合格帧为25.50秒；25.75秒已切换到 Video Creation 列表，原 My Day 行被替换。选择20.00秒作为关键帧，此时任务卡完整清晰，未被拖动或详情面板挤压。","start_frame":438,"end_frame":618,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[386.5,228.7,765.6,266.7],"positive_points":[[396.9,247.2],[456.3,241.7],[416.1,255.6],[578.1,248.1],[682.3,246.3],[755.7,248.1]],"negative_points":[[572.9,208.3],[572.9,287.0],[286.5,367.6],[785.4,248.1]],"evidence":"目标是 My Day 中第二行、标题为“make tutorial about Microsoft Outlook”的任务卡，次级标签为“Tasks”。边界框覆盖整张卡片，包括完成圆圈、标题、标签、卡片表面及右侧星标。正点分布在这些内容及卡片表面；负点位于上下相邻任务、左侧 Video Creation 列表项和卡片右侧外部背景。"}},{"name":"Outlook tutorial task details","description":"The dark panel opened on the far right for make tutorial about Microsoft Outlook. It contains Add Step, Added to My Day, Remind Me, Add Due Date, Repeat, Add File, and Add Note controls.","membership":"Include the entire details-panel surface, boundary, task heading, completion and importance controls, action rows, note area, and bottom controls. Exclude the adjacent My Day workspace and navigation sidebar.","id":"obj_007","temporal":{"status":"found","start_s":21.75,"end_s":25.75,"reference_s":22.0,"evidence":"目标是最右侧标题为“make tutorial about Microsoft Outlook”的深色详情面板，包含 Add Step、提醒、截止日期、重复、附件和备注等控件。首个完整呈现帧为21.75秒，最后符合条件的帧为25.50秒；此前21.50秒尚无详情面板，此后25.75秒面板向右退出并已被裁切。选择22.00秒作为关键帧，面板边界与各项控件清晰完整，无明显遮挡。","start_frame":522,"end_frame":618,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[646,104,773.5,818.5],"positive_points":[[702,156],[687,236],[708,351],[684,425],[741,623],[708,797]],"negative_points":[[606,403],[520,676],[295,476],[807,534]],"evidence":"目标是最右侧显示“make tutorial about Microsoft Outlook”的深色任务详情面板。边框覆盖整个面板，包括标题、操作行、备注区域及底部控件。六个正点分布在面板上中下各部分；负点位于左侧 My Day 工作区、导航栏及面板右侧的桌面背景，均不属于目标。"}},{"name":"Outlook tutorial task in Video Creation","description":"The single task card shown when Video Creation is opened after the transfer. It reads make tutorial about Microsoft Outlook and has My Day beneath its title.","membership":"Include the complete card surface and boundary, completion circle, title, My Day indicator, and importance star. Exclude the list heading, surrounding empty workspace, Add a Task field, and cursor.","id":"obj_008","temporal":{"status":"found","start_s":25.75,"end_s":30.0,"reference_s":26.25,"evidence":"25.75秒打开 Video Creation 后，出现唯一的任务卡，标题为 make tutorial about Microsoft Outlook，下方标有 My Day，包含完成圆圈和重要性星标。此前25.50秒仍为 My Day 列表，并非目标指定的列表内呈现。该卡从25.75秒持续至最后采样帧29.75秒；视频在30.0秒结束，无后续帧。选择26.25秒作为关键帧，此时卡片完整清晰，无遮挡，易于区分其边界与周围工作区。","start_frame":618,"end_frame":720,"reference_frame":630},"grounding":{"status":"found","bbox_xyxy":[386.5,174.1,765.6,213],"positive_points":[[396.8,192.6],[451,186.1],[423.4,200],[569.3,190.7],[694.3,201.9],[755.2,193.5]],"negative_points":[[426.6,145.4],[572.9,333.3],[441.7,787.0],[260.4,367.6]],"evidence":"目标是 Video Creation 下唯一的任务卡，标题为 make tutorial about Microsoft Outlook，下方显示 My Day。边界框覆盖整张卡片及完成圆圈、文字、日期指示和星标；正点分布于这些元素及卡片表面，负点位于列表标题、空白工作区、Add a Task 输入栏和左侧列表项。"}},{"name":"Video Creation Add a Task field","description":"The long input strip at the bottom of the populated Video Creation workspace, focused at the end of the demonstration.","membership":"Include the input field surface and boundary, plus icon, and Add a Task placeholder. Exclude the surrounding workspace, cursor, caret, and transient tooltip.","id":"obj_009","temporal":{"status":"found","start_s":25.75,"end_s":30.0,"reference_s":26.25,"evidence":"目标是已包含 Outlook 教程任务的 Video Creation 工作区底部长条输入框，包括表面、边界、加号和 Add a Task 占位文字。25.75 秒切换到该列表时输入框已完整呈现，随后随布局调整持续可见，最后合格帧为 29.75 秒。前一帧 25.50 秒仍为 My Day 工作区；区间到达视频结尾，无后续帧。选择 26.25 秒作为关键帧，输入框清晰完整，且没有光标或临时提示遮挡。","start_frame":618,"end_frame":720,"reference_frame":630},"grounding":{"status":"found","bbox_xyxy":[385.9,770.4,765.6,807.4],"positive_points":[[396.9,788.0],[423.4,788.9],[490.6,784.3],[572.9,792.6],[661.5,784.3],[751.0,794.4]],"negative_points":[[574.0,748.1],[367.2,788.0],[779.7,789.8],[593.8,838.9]],"evidence":"目标是 Video Creation 工作区底部带加号和“Add a Task”占位文字的长条输入框。边界框紧贴输入条，包含其表面、边界、加号和文字；六个正点分布在图标、文字及输入条各段表面，四个负点位于上方工作区、左侧栏及应用外背景。"}}]}
+{"video_id":57,"video_type":"desktop and application interfaces","targets":[{"name":"Office tips series title","description":"The opening card’s upper text, “办公小技巧<3>”, in black calligraphic lettering.","membership":"Includes only the complete title lettering and its text shadow; excludes the pale background and the larger topic title below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":4,"reference_s":1,"evidence":"目标是开场卡上方黑色书法字“办公小技巧<3>”及其阴影，不包括下方主题标题。首个合格帧为0.00秒，末个为3.75秒；3.75秒图片窗口缩小，但标题仍完整可见。4.00秒开场卡消失，变为Word文档界面，其中页眉不是该目标。区间始于视频开头，没有更早采样帧。选择1.00秒作为关键帧，标题完整清晰且无遮挡。","start_frame":0,"end_frame":96,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[269.4,215.5,734.3,272.4],"positive_points":[[296.3,237.1],[366.7,255.2],[426.9,241.4],[503.7,248.3],[576.9,231.0],[717.6,242.2]],"negative_points":[[500,163.8],[500,314.7],[490.7,453.4],[213,241.4]],"evidence":"目标是画面上方的黑色书法标题“办公小技巧<3>”。边框紧贴整段标题及其阴影；六个正点分布在不同字形和右侧符号的笔画上，负点位于标题外围浅色背景及下方较大的主题标题上。"}},{"name":"Word split-screen comparison title","description":"The large central opening title, “Word文档前后分屏对比”, identifying the demonstrated Word feature.","membership":"Includes the entire title text and its text shadow; excludes the background, software logos below, and surrounding application controls.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":4,"reference_s":1,"evidence":"目标为开场中央大字“Word文档前后分屏对比”及其阴影。首个合格帧为0.00秒，标题已完整显示；最后合格帧为3.75秒，虽随图片窗口缩小但仍完整可见。4.00秒图片窗口消失，画面仅剩Word文档，标题不再出现。区间起于视频开头，无更早帧。选择1.00秒作为关键帧，标题较大、清晰且无遮挡。","start_frame":0,"end_frame":96,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[155,425,849,492],"positive_points":[[176,455],[325,461],[396,459],[540,477],[676,450],[813,466]],"negative_points":[[500,350],[500,600],[450,790],[80,450]],"evidence":"目标是画面中央的大标题“Word文档前后分屏对比”。边界框紧贴整行文字及其阴影；六个正点分散落在英文和不同汉字的笔画上，负点位于标题上下的背景、下方软件标志和左侧应用背景，均不包含在目标中。"}},{"name":"Score table — initial presentation","description":"The first single-pane document presentation contains a two-column table headed “姓名” and “分数”. Ten names have numeric scores, beginning with 欧皓辰 and 58 and ending with 行秋 and 93. Alternate rows are pale blue.","membership":"Includes the complete table surface, cell borders, alternating fills, names, and scores. Excludes the document header, page background outside the table, selection handles, and cursor. Follows the table as it scrolls out of view.","id":"obj_003","temporal":{"status":"found","start_s":4.0,"end_s":6.75,"reference_s":4.5,"evidence":"目标是初始单窗格文档中以“姓名”“分数”为表头的两列表格，含欧皓辰58至行秋93共十行数据，交替填充浅蓝色。首个完整可见帧为4.00秒，最后一个符合条件的帧为6.50秒。此前3.75秒表格被前景图片窗口遮挡；此后6.75秒向上滚动使表格顶部越出文档可视区域，已不完整。选择4.50秒为关键帧，整张表格边界和内容清晰，鼠标位于表格之外。","start_frame":96,"end_frame":162,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[175.9,305.2,450.9,851.7],"positive_points":[[226.9,330.2],[382.4,380.2],[240.7,476.7],[375,575.9],[237,725.9],[384.3,825.9]],"negative_points":[[222.2,275.9],[555.6,560.3],[767.6,383.6],[324.1,896.6]],"evidence":"目标是以“姓名”“分数”为表头的两列表格，首行为欧皓辰与58，末行为行秋与93。边界框覆盖完整表面、边框及十条数据，不含页眉、选择手柄和光标。正点分布在表头及上中下各行的文字、数值和单元格表面；负点位于页眉、右侧及下方页面背景和右侧光标处。"}},{"name":"Word split-view command","description":"The ribbon command labeled “拆分” in the “视图” tab’s window group. It is activated to create two document panes and then reads “取消拆分”.","membership":"Includes this command’s icon, label, and button surface in either state. Excludes adjacent window commands, the rest of the ribbon, and cursor highlighting.","id":"obj_004","temporal":{"status":"found","start_s":3.75,"end_s":25.0,"reference_s":4.5,"evidence":"目标是“视图”选项卡“窗口”组中的“拆分”按钮，激活后标签变为“取消拆分”，仍是同一命令。首个合格帧为3.75秒，图标、标签和按钮区域已完整可见；前一帧3.5秒仅显示照片查看器，未见该命令。目标持续出现至最后一帧24.75秒，因此结束时间为25.0秒，视频末尾没有后续帧。选择4.5秒作为关键帧，此时“拆分”按钮清楚且没有光标高亮遮挡，便于与邻近命令区分。","start_frame":90,"end_frame":600,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[680.6,106.9,734.3,126.7],"positive_points":[[687,113],[694,120],[709,116],[723,118],[702,110],[730,123]],"negative_points":[[713,94],[716,73],[819,88],[755,163]],"evidence":"目标位于“视图”选项卡的“窗口”组内，是“全部重排”下方标为“拆分”的命令。框覆盖其图标、文字及按钮表面；正点分布在这些部分，负点位于相邻窗口命令和下方标尺区域，均在目标之外。"}},{"name":"Grade-range legend — initial presentation","description":"Above the second-page table, a two-line grading key reads “优秀：90-100”, “良好：80-89”, “中等：70-79”, “及格：60-69”, and “不及格：60 以下”. It first appears while the unsplit document is scrolled downward.","membership":"Includes the five label-and-range units forming the grading key. Excludes the document header, table below, page background, and interaction indicators.","id":"obj_005","temporal":{"status":"found","start_s":7.0,"end_s":9.0,"reference_s":8.25,"evidence":"目标是未分屏文档第二页表格上方、由五个等级及分数范围组成的两行说明。7.00秒首次完整显示，8.75秒为最后完整显示帧；此前6.75秒仅见第一页表格下部，此后9.00秒已滚回第一页下部，说明消失。选择8.25秒作为关键帧，五个单元均清晰完整且无遮挡，易与页眉及下方表格区分。","start_frame":168,"end_frame":216,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[175.9,335.3,819.4,404.3],"positive_points":[[181.5,345.7],[280.6,346.6],[459.3,343.1],[710.2,344.8],[186.1,394.0],[593.5,388.8]],"negative_points":[[245.4,291.4],[243.5,442.2],[657.4,431.0],[949.1,594.8]],"evidence":"目标是表格上方分两行排列的五组等级与分数范围。边界框覆盖从“优秀：90-100”到右侧“中等：70-79”及第二行“及格：60-69”“不及格：60 以下”的完整图例。六个正点分布在各组文字和数字笔画上；负点位于页眉、下方表头、外部页面空白及右侧鼠标提示处。"}},{"name":"Grade table — initial presentation","description":"The second page’s initially empty two-column table, headed “姓名” and “等级”, repeats the names from the score table with alternating pale-blue rows. It is first shown in the unsplit document.","membership":"Includes the table’s cell surfaces, borders, names, headings, and blank grade cells. Excludes the grading key above, document header, surrounding page, and cursor.","id":"obj_006","temporal":{"status":"found","start_s":8,"end_s":8.75,"reference_s":8.25,"evidence":"目标为未分屏时第二页的“姓名／等级”两列表格，等级栏为空，行底色浅蓝交替。8.00秒首次完整显示，8.50秒为最后完整帧；此前7.75秒末行仍被窗口下边界裁切，之后8.75秒向下移出的末行再次被裁切。选择8.25秒作关键帧，表格边框、标题和全部姓名清晰完整，无遮挡。","start_frame":192,"end_frame":210,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[175.9,418.1,450.9,964.7],"positive_points":[[242,442],[378,491],[235,588],[383,692],[239,837],[383,938]],"negative_points":[[513,394],[253,291],[576,602],[948,595]],"evidence":"图中未拆分文档内，“姓名”“等级”为表头的两列表格，等级栏为空，姓名行交替呈浅蓝色，符合目标。框覆盖完整表格的表头、十行姓名、空白等级单元格及边框。正点分布于左右两列及表格上中下部；负点位于上方评分说明、页眉、右侧页面空白和光标处。"}},{"name":"Score table — returned upper presentation","description":"The name-and-score table returns when the document is scrolled back upward. It subsequently remains in the upper pane after splitting, with its visible portion expanding when the divider is dragged downward.","membership":"Includes the visible rendering of the score table in this original document view, which becomes the upper pane: cell borders, fills, headings, names, and numeric scores. Excludes the separate lower-pane rendering, pane controls, selection handles, and surrounding page.","id":"obj_007","temporal":{"status":"found","start_s":9.25,"end_s":25.0,"reference_s":9.5,"evidence":"目标是向上滚动后返回的“姓名／分数”表格，随后成为上方分屏中的同一表格，不包括下方分屏副本。9.00秒仅露出表格底部，9.25秒表格已完整进入视野；此后持续显示，分屏造成的可见范围变化属于指定呈现。最后合格帧为24.75秒，视频于25.00秒结束，无后续帧。选择9.50秒作为关键帧，因为表格完整清晰、遮挡极少，且尚无下方副本干扰。","start_frame":222,"end_frame":600,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[175.9,304.7,451.4,851.7],"positive_points":[[240,330],[378,380],[233,479],[379,578],[241,727],[381,826]],"negative_points":[[167,298],[458,859],[523,575],[826,276]],"evidence":"目标为页面左侧“姓名／分数”两列表格，从表头至末行“行秋／93”完整可见。框覆盖全部单元格边框、底色及文字，不含左上移动柄和右下缩放柄。正点分布于表头及不同高度的姓名、分数单元格；负点位于选择柄、表外页面空白及右上页眉文字。"}},{"name":"Score table — lower-pane rendering","description":"Immediately after splitting, the lower pane independently displays the lower portion of the score table, including 第二梦 38, 唐可可 61, 贾雨村 95, 风晴雪 88, 花无缺 72, and 行秋 93. This rendering scrolls away while the upper score table stays visible.","membership":"Includes only the score-table cells rendered inside the lower pane, with their borders, fills, names, and scores. Excludes the upper-pane copy, rulers, scrollbars, page margins, and interaction indicators.","id":"obj_008","temporal":{"status":"found","start_s":11.75,"end_s":14.25,"reference_s":12.25,"evidence":"11.75秒分屏后，下方面板��已出现带边框、浅蓝底纹及姓名分数的成绩表渲染，随后显示第二梦38至行秋93等下部行；不包括上方面板的副本。首个符合帧为11.75秒，最后为14.00秒；之前11.50秒尚未分屏，之后14.25秒下方成绩表已滚离视口，上方表格仍可见。选择12.25秒作关键帧，六行内容清晰，遮挡极少。","start_frame":282,"end_frame":342,"reference_frame":294},"grounding":{"status":"found","bbox_xyxy":[175.9,592.2,450.9,894.8],"positive_points":[[238.9,619.8],[379.6,670.7],[233.3,720.7],[378.7,769.8],[239.8,819.8],[379.6,869.0]],"negative_points":[[379.6,478.4],[305.6,577.6],[555.6,732.8],[113.0,793.1]],"evidence":"目标是分屏后下窗格中的成绩表，包含第二梦38至行秋93六行。框紧贴下窗格内可见表格的边框，覆盖单元格底色、姓名和分数，不包含右下角操作手柄。六个正点分布于各行；负点位于上窗格表格、下窗格标尺及表格外的页面空白。"}},{"name":"Horizontal split-pane divider","description":"The horizontal separator between Word’s upper and lower document views. It initially divides the workspace near the middle and is later dragged downward to enlarge the upper view.","membership":"Includes the narrow horizontal separator strip spanning between the document panes. Excludes the rulers, scrollbars, document content, drag-preview line, and cursor.","id":"obj_009","temporal":{"status":"found","start_s":11.75,"end_s":25.0,"reference_s":22.5,"evidence":"目标为 Word 上下两个文档视图之间横贯工作区的窄分隔条，不包括相邻标尺、滚动条及拖动预览线。11.75 秒首次完整出现，前一帧 11.50 秒仍是单一视图。分隔条随后持续存在，并在后段被向下拖动；最后合格帧为 24.75 秒，视频结束后无相邻帧。选择 22.50 秒作为关键帧，此时分隔条清楚可见，便于与相邻标尺和后续拖动预览线区分。","start_frame":282,"end_frame":600,"reference_frame":540},"grounding":{"status":"found","bbox_xyxy":[0.9,561.2,999.1,567.2],"positive_points":[[62,564.5],[224,564.5],[393,564.5],[545,564.5],[768,564.5],[945,564.5]],"negative_points":[[438,577.6],[568,535.3],[675,624.1],[854,552.6]],"evidence":"目标是上方文档视图底部、下方水平标尺上方的窄横向分隔条。边框紧贴该条并覆盖其横向跨度；正点分布在分隔条各段，避开拖动光标，负点位于下方标尺、文档内容区及上方灰色背景，不包含这些区域。"}},{"name":"Grade-range legend — lower-pane presentation","description":"The five-category grading key reappears as the lower pane is scrolled to the second page, while the score table remains above. It stays above the lower grade table as the pane is resized.","membership":"Includes the complete two-line group of grading labels and score ranges wherever visible within the lower pane. Excludes the page header, table, background, divider, and overlays.","id":"obj_010","temporal":{"status":"found","start_s":15.5,"end_s":25.0,"reference_s":16.0,"evidence":"目标是下方窗格内、等级表上方的两行五类评分范围说明，上方窗格仍显示分数表。15.50秒起五类说明完整可见；紧邻的15.25秒帧中第一行被下窗格上边界裁切。此后说明持续存在，输入法弹窗仅短暂遮挡，窗格调整后仍保留。最后 qualifying 帧为24.75秒，两行说明均可见；区间到达视频结尾，无后续帧。选择16.00秒作为关键帧，文字完整、无遮挡，且与页眉、表格易于区分。","start_frame":372,"end_frame":600,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[176,660,821,730],"positive_points":[[185,670],[271,673],[464,670],[724,670],[188,720],[491,720]],"negative_points":[[242,616],[379,768],[557,558],[866,704]],"evidence":"目标是下方窗格表格上方的两行等级说明，包含优秀、良好、中等、及格、不及格及其分数范围。框覆盖完整两行文字；六个正点分布在各类别和分数的字形上，负点位于页眉、下方表格、窗格分隔条及右侧空白处，均不属于图例。"}},{"name":"Grade table — lower-pane presentation","description":"The “姓名” and “等级” table reappears in the lower pane for comparison with the upper score table. The grade cell beside 欧皓辰 is filled with “不及格”; the other visible grade cells remain blank.","membership":"Includes the lower-pane table’s borders, alternating row fills, headings, names, blank cells, and entered grade text. Excludes the grading key, surrounding page, selection handles, insertion caret, cursor, and temporary input-method popup.","id":"obj_011","temporal":{"status":"found","start_s":15.0,"end_s":23.5,"reference_s":20.0,"evidence":"目标是下方分屏内的“姓名／等级”表格，包含交替浅蓝行及后来填入欧皓辰对应格的“不及格”；填字不改变表格身份。15.00秒首次显示该表的表头、边框和数据行，14.75秒下窗格仅显示页眉及评分说明。最后 qualifying 帧为23.25秒；23.50秒下窗格缩小，表格被窗格边界遮去，仅余顶部边线。20.00秒表头、姓名与“不及格”清晰，且输入法弹窗已消失，适合标注。","start_frame":360,"end_frame":564,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[175.9,743.1,450.9,968.1],"positive_points":[[222.2,767.2],[381.5,768.1],[238.9,818.1],[400,819],[382.4,902.6],[235.2,961.2]],"negative_points":[[500.9,718.1],[379.6,478.4],[513.9,823.3],[277.8,617.2]],"evidence":"目标是下方窗格中以“姓名”“等级”为表头、欧皓辰对应“不及格”的表格。框覆盖表格全部可见边框、行底色及单元格，底部止于窗格裁切处。正点分布于表头、姓名、已填等级和空白单元格；负点位于表外评分说明、上方分数表、周围页面及页眉，排除选择柄、光标等临时界面元素。"}}]}
+{"video_id":58,"video_type":"desktop and application interfaces","targets":[{"name":"Weekly To-do List title","description":"Bold serif heading above the seven-day task layout, reading “Weekly To-do List”.","membership":"Include only the heading text. Exclude the daily lists, editing handles, and menus that overlap it.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标为七天任务列表上方的粗体衬线标题“Weekly To-do List”。首个合格帧为0.00秒，最后为37.75秒；期间虽被编辑菜单局部遮挡并随页面滚动移动，但仍是同一标题，未见消失或退出。区间覆盖视频首尾，两端均无额外相邻帧。选择0.00秒作为关键帧，标题完整清晰且无遮挡。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[67.7,250,216.7,282.4],"positive_points":[[72.9,259.3],[104.7,263],[114.6,259.3],[139.1,262],[170.8,260.2],[212.5,263.9]],"negative_points":[[58,265],[147,228],[230,266],[90,330]],"evidence":"目标是七天任务列表上方的粗体衬线标题“Weekly To-do List”。边界框紧贴完整标题文字；六个正点分布在标题各部分的字形笔画上，负点位于标题左侧、上方、右侧空白及下方独立的 Monday 标签上。"}},{"name":"Monday task list","description":"Leftmost original day column, with a pale pink “Monday” heading and unchecked tasks “Call accountant” and “Edit video”.","membership":"Include the day heading and its colored backing, both checkboxes, and their task text. Exclude adjacent columns and the later Monday section below.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":1,"evidence":"目标是原始周计划最左列：淡粉色底的“Monday”、未勾选的“Call accountant”和“Edit video”，不含后来下方新增的 Monday 区块。首帧 0.00 秒已完整呈现，末帧 37.75 秒仍在；期间菜单局部遮挡及页面滚动未改变其身份。区间到达视频首尾，没有边界之外的采样帧。选择 1.00 秒为关键帧，因为该列完整清晰、无遮挡，便于与相邻列区分。","start_frame":0,"end_frame":912,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[67.7,319.4,145.3,461.1],"positive_points":[[83.3,329.6],[71.3,372.2],[89.6,373.1],[105.2,410.2],[76.0,441.7],[124.0,450.9]],"negative_points":[[216.7,329.6],[231.3,373.1],[130.2,263.9],[49.5,435.2]],"evidence":"目标是最左侧的 Monday 原始任务列。边界框覆盖淡粉色星期标题、两个未勾选框以及 Call accountant 和 Edit video 文字；六个正点分布于标题、复选框和各行任务文字，负点位于相邻 Tuesday 列、上方总标题及左侧外部空白。"}},{"name":"Tuesday task list","description":"Second original day column, with a pale peach “Tuesday” heading and unchecked tasks “Dinner w/ Jess” and “Team call”.","membership":"Include the highlighted heading, both checkboxes, and their associated task text. Exclude neighboring columns and the new Tuesday section below.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":1,"evidence":"目标是原始周计划的第二列：浅桃色“Tuesday”标题，以及未勾选的“Dinner w/ Jess”和“Team call”，不包括下方新增的Tuesday区块。首个合格帧为0.00秒，最后一个为37.75秒；期间虽被命令菜单暂时遮挡，但布局和后续画面确认是同一列持续存在。区间覆盖视频全长，起点前和终点后均无 sampled 帧。选择1.00秒作为关键帧，因为标题、两个复选框及任务文字完整清晰、无遮挡。","start_frame":0,"end_frame":912,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[194.8,318.5,267.7,462.0],"positive_points":[[218.8,328.7],[198.4,372.2],[227.1,372.2],[221.4,407.4],[198.4,450.0],[243.2,450.0]],"negative_points":[[116.1,449.1],[359.9,449.1],[219.8,294.4],[226.6,490.7]],"evidence":"目标是左起第二列，浅桃色高亮标题为“Tuesday”，下方有未勾选的“Dinner w/ Jess”和“Team call”。边界框覆盖标题、两个复选框及全部任务文字。六个正��分布在标题、复选框和各行文字上；负点位于相邻的周一、周三任务及目标上下方的外部空白处。"}},{"name":"Wednesday task list","description":"Third original day column, with a pale yellow “Wednesday” heading and unchecked tasks “Order samples” and “Plan video”.","membership":"Include the highlighted heading, both checkboxes, and their task text. Exclude overlapping menus and previews, neighboring columns, and the later Wednesday section.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标为原始第三列：淡黄色高亮的“Wednesday”标题，以及“Order samples”“Plan video”文字和两个未勾选框。首个合格帧为0.00秒，最后为37.75秒；期间虽被菜单预览短暂遮挡，但同一列持续存在，未见退出或消失，不包含后来新增的Wednesday区块。区间到达视频两端，均无边界外采样帧。选择0.00秒作为关键帧，因为整列完整清晰且无遮挡。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[322.9,319.4,395.8,461.1],"positive_points":[[351.6,329.6],[326.0,372.2],[350.0,373.1],[359.9,407.4],[330.2,441.7],[374.5,450.9]],"negative_points":[[239.6,449.1],[492.2,416.7],[305.2,388.9],[366.7,498.1]],"evidence":"目标是第三列的 Wednesday 任务列表。边界框紧贴浅黄色标题、两个未勾选框及 Order samples、Plan video 全部文字。正点分布在标题、复选框边线和各行文字上；负点位于相邻 Tuesday、Thursday 列及目标左侧和下方的外部空白。"}},{"name":"Thursday task list","description":"Original column near the center, with a pale green “Thursday” heading and unchecked tasks “Hire VA” and “Write blog post”.","membership":"Include the heading with its colored backing, the two checkboxes, and their task text. Exclude adjacent day columns.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标为原始周计划中靠近中央的 Thursday 列，包含淡绿色标题底色、Hire VA 和 Write blog post 文字及两个未勾选复选框。首个合格帧为 0 秒，最后一个为 37.75 秒；期间虽有菜单弹出和页面滚动，该列持续存在且结构完整。区间覆盖视频首尾，两端均无更外侧采样帧。选择 0 秒作为关键帧，目标清晰完整、无遮挡，且易于与相邻日期列区分。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[450,319.4,523.4,462],"positive_points":[[476,329.6],[458.3,364],[471.9,372.2],[453.6,417.6],[520.3,418.5],[471.9,448.1]],"negative_points":[[354.2,329.6],[596.9,329.6],[432.3,402.8],[491.1,500.9]],"evidence":"目标是画面中央浅绿色标题“Thursday”所在列。边界框覆盖标题及底色、两个未勾选框，以及“Hire VA”和换行显示的“Write blog post”。六个正点分布在标题、复选框边线和任务文字上；负点位于相邻的周三、周五标题及目标左侧、下方空白处。"}},{"name":"Friday task list","description":"Original column headed “Friday” on a pale blue backing, containing unchecked tasks “Meeting w/ Sam” and “Edit blog post”.","membership":"Include the highlighted heading, both checkboxes, and their associated text. Exclude neighboring day columns.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标为原始七列清单中的 Friday 列：浅蓝底标题，下方是未勾选的“Meeting w/ Sam”和“Edit blog post”，不含相邻日期列。首个合格帧为0.00秒，最后为37.75秒；期间该列持续完整可见，页面滚动未使其离开画面。区间达到视频起点和终点，两侧均无额外采样帧。选择0.00秒作为关键帧，标题、两个复选框及文字清晰且无遮挡。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[577.1,319.4,667.7,462.0],"positive_points":[[579.2,325.0],[580.7,372.2],[598.4,372.2],[600.0,406.5],[580.7,450.9],[622.9,447.2]],"negative_points":[[489.6,373.1],[755.2,373.1],[619.8,500.0],[601.6,285.2]],"evidence":"目标是浅蓝底“Friday”标题下的原始任务列。边界框覆盖标题、两个未勾选框及“Meeting w/ Sam”和“Edit blog post”全部文字。正点分布于标题、勾选框轮廓和两项任务文字；负点位于相邻星期列及目标上下方的外部空白。"}},{"name":"Saturday task list","description":"Original weekend column headed “Saturday”, containing unchecked tasks “Weekend trip to London” and “Train: 9AM”.","membership":"Include the day heading and its pale backing, both checkboxes, and their task text. Exclude the Friday and Sunday columns.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标为原始周计划中 Friday 与 Sunday 之间的 Saturday 栏，包含浅色底的标题、两个未勾选框及“Weekend trip to London”“Train: 9AM”文��。首个合格帧为0.00秒，最后为37.75秒；期间该栏持续完整可见，仅随页面滚动改变位置。区间覆盖视频首尾，两端均无额外相邻帧。选择0.00秒为关键帧，因为目标完整清晰且无遮挡。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[704.7,319.4,793.2,461.1],"positive_points":[[715.6,329.6],[707.8,370.4],[749,375],[749.5,406.5],[712.5,441.7],[767.2,450]],"negative_points":[[628,449],[869.8,375.9],[687.5,400],[751.6,498.1]],"evidence":"目标是 Friday 与 Sunday 之间的 Saturday 周末任务列。边界框紧贴星期标题及浅色底、两个未勾选框和“Weekend trip to London”“Train: 9AM”全部文字。六个正点分布在标题、两个框的轮廓及各行任务文字上；负点位于相邻 Friday、Sunday 列以及目标左侧和下方的外部空白。"}},{"name":"Sunday task list","description":"Rightmost original day column, with a pale pink “Sunday” heading and unchecked tasks “Lunch at the Ritz” and “Train: 8PM”.","membership":"Include the highlighted heading, both checkboxes, and their task text. Exclude neighboring content and the page scrollbar.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标为原始列表最右侧的星期日列，包含浅粉色“Sunday”标题及“Lunch at the Ritz”“Train: 8PM”文字和两个未勾选框。首个合格帧为0.00秒，最后为37.75秒，期间该列始终完整可见，虽随页面滚动改变位置但未消失。区间覆盖视频首尾，边界外没有采样帧。选择0.00秒作关键帧，目标清晰且无遮挡，便于与邻列和滚动条区分。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[831.8,318.5,914.6,461.1],"positive_points":[[844.3,329.6],[835.9,372.2],[862.5,372.2],[858.3,406.5],[835.9,450.0],[889.1,450.0]],"negative_points":[[728.1,329.6],[760.4,450.0],[938.5,397.2],[995.8,500.0]],"evidence":"目标是最右侧的 Sunday 日程列。边界框覆盖淡粉色标题、两个未勾选复选框及“Lunch at the Ritz”和“Train: 8PM”文字。正点分布在标题、复选框边线和任务文字上；负点位于相邻 Saturday 内容、右侧空白和页面滚动条，均不属于目标。"}},{"name":"Column creation command menu","description":"First white slash-command popup, opening over the left side of the original weekly list. It initially shows basic blocks, then filters to column options including “2 columns”, “3 columns”, “4 columns”, and “5 columns”.","membership":"Include the popup surface, boundary, menu headings, icons, option descriptions, selection backgrounds, and internal scrollbar as its contents change. Exclude the typed command beneath it and the separate preview card beside it.","id":"obj_009","temporal":{"status":"found","start_s":2.25,"end_s":12.5,"reference_s":3.5,"evidence":"目标是原始周计划左侧首次出现的白色斜杠命令弹窗，内容从 Basic blocks 切换为 2–5 columns，属于同一菜单。首个合格帧为 2.25 秒，2.00 秒仍在淡入；最后合格帧为 12.25 秒，12.50 秒已开始淡出消失。选择 3.50 秒作为关键帧，此时菜单边界、栏目选项和滚动条清晰，旁边没有独立预览卡干扰；不包含下方输入的命令。","start_frame":54,"end_frame":300,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[74,137,300,582],"positive_points":[[116,160],[183,215],[183,283],[182,418],[135,560],[295,485]],"negative_points":[[87,598],[354,330],[52,378],[331,541]],"evidence":"目标是左侧显示“Advanced blocks”和2至5列选项的白色斜杠命令菜单。边框覆盖整个弹窗表面、底部“Turn into”区域及右侧滚动条，不含投影和下方输入命令。正点分布于标题、选项、底部区域和滚动条；负点位于下方命令、右侧Wednesday文字及弹窗外背景。"}},{"name":"Column option preview card","description":"Black hover-preview card beside the first command menu, showing a small example layout and descriptions such as “Create 3 columns of blocks.” as different column options are hovered.","membership":"Include the complete black card and its enclosed example image and explanatory text. Exclude the adjacent command menu and underlying weekly lists.","id":"obj_010","temporal":{"status":"found","start_s":5.0,"end_s":12.25,"reference_s":7.0,"evidence":"目标是首个命令菜单右侧的黑色悬停预览卡，包含示例布局图片及“Create … columns of blocks.”说明。所选连续出现的首帧为5.00秒，末帧为12.00秒；此前4.75秒没有预览卡，之后12.25秒预览卡已消失而菜单仍在。7.00秒卡片完整清晰，显示“Create 3 columns of blocks.”，适合作为空间标注关键帧。","start_frame":120,"end_frame":294,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[293.8,185.2,402.1,376.9],"positive_points":[[297.4,207.4],[317.2,226.9],[365.1,263.0],[339.1,302.8],[318.8,334.3],[367.7,358.3]],"negative_points":[[222.9,277.8],[362.5,449.1],[474.0,328.7],[426.6,252.8]],"evidence":"目标是命令菜单右侧的黑色悬浮预览卡，内含示例布局和“Create 3 columns of blocks.”说明。边界框紧贴完整卡片，正点分布于黑色卡面、示例图和说明区域；负点位于左侧命令菜单、下方任务列表、右侧星期标题及外部空白处。"}},{"name":"New Monday section","description":"New lower-left section typed beneath the original weekly layout. Its text develops into “Monday:” and an empty unchecked to-do item is added beneath it.","membership":"Include the section label and its associated checkbox row, including the row’s visible placeholder text while empty. Exclude editing handles, the cursor, slash-command popups, and the original Monday list above.","id":"obj_011","temporal":{"status":"found","start_s":27.5,"end_s":38.0,"reference_s":33.5,"evidence":"目标是原周计划下方左侧新增的“Monday:”标签及其空白未勾选待办行。27.50秒两者首次完整出现；前一帧27.25秒仍是斜杠命令菜单，尚无待办行。该区块持续保留至最后采样帧37.75秒，末段被命令菜单暂时遮挡，未见移除；视频于38.00秒结束，无后续帧。33.50秒标签、复选框和“To-do”占位文字清晰且无遮挡，适合标注。","start_frame":660,"end_frame":912,"reference_frame":804},"grounding":{"status":"found","bbox_xyxy":[67.7,449.1,119,514],"positive_points":[[71.4,459.3],[99,459.3],[71.4,502.8],[76.6,512],[90.6,495.4],[111.5,503.7]],"negative_points":[[95,176],[389,460],[146,503],[88,416]],"evidence":"目标是原周计划下方左侧新建的“Monday:”区块。边界框紧贴覆盖标签、下方未勾选复选框及“To-do”占位文字；正点分布在标签字形、复选框边线和占位文字上。负点位于上方原Monday标题、右侧Tuesday区块以及目标外的空白处，未包含编辑控件或光标。"}},{"name":"Monday to-do insertion menu","description":"Second slash-command popup, opening beneath the newly typed “Monday:”. It starts with basic block options and filters to “To-do list”, “Toggle list”, and related results.","membership":"Include the entire white popup surface, boundary, visible options, icons, descriptions, section headings, selection backgrounds, and scrollbar. Exclude the typed command and the separate black preview card.","id":"obj_012","temporal":{"status":"found","start_s":26.25,"end_s":27.5,"reference_s":26.75,"evidence":"目标是新输入的“Monday:”下方第二次打开的白色斜杠菜单，先显示基础块选项，再筛选为“To-do list”“Toggle list”等。首个合格帧为26.25秒，最后为27.25秒；26.0秒尚无菜单，27.5秒菜单开始淡出并出现待办复选框。选择26.75秒作为关键帧，菜单表面和选项清晰，且没有独立黑色预览卡干扰。","start_frame":630,"end_frame":660,"reference_frame":642},"grounding":{"status":"found","bbox_xyxy":[74,584,300,1000],"positive_points":[[110,608],[205,657],[175,732],[217,799],[162,913],[296,717]],"negative_points":[[88,525],[76,568],[325,745],[55,854]],"evidence":"目标是新输入的“Monday:”和“/to”下方的白色斜杠菜单，包含“To-do list”“Toggle list”等结果。边框覆盖整个可见弹窗、选项、标题、图标和右侧滚动条，下端延伸到图像底边。正点分布于菜单各区域及滚动条；负点位于上方文字、输入命令和弹窗外侧背景。"}},{"name":"To-do list preview card","description":"Black preview beside the menu beneath the new Monday section, showing sample checked and unchecked tasks and the caption “Track tasks with a to-do list.”","membership":"Include the black card, its enclosed task example, and caption. Exclude the command menu, cursor, and underlying page content.","id":"obj_013","temporal":{"status":"found","start_s":27.0,"end_s":27.25,"reference_s":27.0,"evidence":"27.0秒，新建Monday区域下方的命令菜单右侧出现完整黑色预览卡，内含勾选及未勾选任务示例和“Track tasks with a to-do list.”说明，符合目标。首末 qualifying 帧均为27.0秒；前一帧26.75秒仅有命令菜单，后一帧27.25秒预览卡已消失。选择27.0秒作为关键帧，因为卡片完整清晰、无遮挡。","start_frame":648,"end_frame":654,"reference_frame":648},"grounding":{"status":"found","bbox_xyxy":[293.2,565.7,402.6,757.4],"positive_points":[[297,592.6],[313,601.9],[358.3,624.1],[356.3,661.1],[334.4,717.6],[390.1,748.1]],"negative_points":[[234.4,648.1],[190.1,661.1],[85.9,525.9],[424.5,666.7]],"evidence":"目标是新 Monday 区域下方、命令菜单右侧的黑色待办预览卡。边界框覆盖黑色卡片、内部勾选与未勾选任务示例及底部说明文字。正点分布在卡片边框、示例区域和说明区域；负点位于左侧菜单、光标、上方页面文字及右侧空白处。"}},{"name":"New Tuesday section","description":"New middle section in the lower three-column layout, typed as “Tuesday:” and later containing an empty unchecked “To-do” item.","membership":"Include the section label and its associated empty checkbox row with visible placeholder text. Exclude editing handles, the original Tuesday column above, and the lower sections on either side.","id":"obj_014","temporal":{"status":"found","start_s":32.25,"end_s":38.0,"reference_s":33.0,"evidence":"目标是下方三栏布局中央的“Tuesday:”标题及其未勾选的“To-do”占位行，不包括上方原有 Tuesday 栏。32.25 秒首次完整显示这两个成员；前一帧 32.00 秒仍在标题下打开命令菜单，尚无完整复选框行。最后合格帧为 37.75 秒，该区域仍存在；区间到达视频结尾，没有后续采样帧。选择 33.00 秒作为关键帧，标题和复选框行清晰完整、无遮挡，且与左右新增栏目容易区分。","start_frame":774,"end_frame":912,"reference_frame":792},"grounding":{"status":"found","bbox_xyxy":[364.6,450,416.1,513.9],"positive_points":[[367.2,453.7],[394.8,456.5],[407.3,464.8],[368.8,503.7],[389.1,496.3],[412,507.4]],"negative_points":[[218.8,175.9],[94.8,461.1],[692.7,460.2],[442.7,500]],"evidence":"目标是下方三栏布局中间的新增“Tuesday:”区域。边界框紧贴标题及其下方未勾选复选框和“To-do”占位文字；正点分布在标题字形、复选框边线及占位文字上，负点位于上方原Tuesday栏、左右相邻下方标题和右侧外部空白。"}},{"name":"New Wednesday section","description":"Rightmost section in the newly created lower three-column layout, labeled “Wednesday:” with an empty unchecked “To-do” item beneath it.","membership":"Include the section label, checkbox, and associated placeholder text. Exclude the original Wednesday list above and neighboring lower sections.","id":"obj_015","temporal":{"status":"found","start_s":32.25,"end_s":38.0,"reference_s":33.0,"evidence":"目标是下方新建三列布局最右侧的“Wednesday:”标签及其下方未勾选复选框和“To-do”占位文字，不包括上方原有星期三列表。32.25秒首次完整出现，前一帧32.00秒下方仅有Monday和Tuesday区域及命令菜单，尚无目标。目标持续至最后采样帧37.75秒，视频在38.00秒结束，无后续帧。选择33.00秒为关键帧，目标结构完整清晰且无遮挡，与相邻下方区域容易区分。","start_frame":774,"end_frame":912,"reference_frame":792},"grounding":{"status":"found","bbox_xyxy":[661.9,450,726,514],"positive_points":[[664.1,453.7],[695.8,459.3],[722.9,462],[665.6,502.8],[684.4,497.2],[705.2,505.6]],"negative_points":[[354.2,175.9],[385.4,458.3],[93.8,458.3],[755.2,500]],"evidence":"目标是下方三栏布局最右侧的“Wednesday:”新分区。边界框紧贴标题、未勾选复选框及“To-do”占位文字；六个正点分布在标题字形、方框边线和占位文字上。负点位于上方原有 Wednesday 标题、下方相邻两个分区及目标右侧空白处。"}},{"name":"Lower-page to-do insertion menu","description":"Final white slash-command popup, opened from a blank block below the new three-column layout. It first shows basic blocks, then filters to results with “To-do list” highlighted.","membership":"Include the popup surface, boundary, all visible menu headings, icons, option labels and descriptions, selection backgrounds, and internal scrollbar. Exclude the slash command below the popup, editing handles, and page content behind it.","id":"obj_016","temporal":{"status":"found","start_s":36.5,"end_s":38.0,"reference_s":37.75,"evidence":"目标是在新建的 Monday、Tuesday、Wednesday 三栏下方空白块打开的最后一个白色斜杠菜单，先显示 Basic blocks，随后筛选并高亮 To-do list。36.25 秒菜单仍在淡入，36.50 秒表面、边界及内部控件已完整呈现；最后合格帧为 37.75 秒，持续到视频结束 38.00 秒，无后续帧。选择 37.75 秒作为关键帧，因为菜单清晰完整，且没有旁侧说明浮层干扰。","start_frame":876,"end_frame":912,"reference_frame":906},"grounding":{"status":"found","bbox_xyxy":[74.5,362,299.5,808.3],"positive_points":[[105.2,385.2],[197.9,439.8],[181.8,571.3],[192.7,699.1],[188,768.5],[295.8,488.9]],"negative_points":[[75.5,822.2],[390.1,458.3],[54.7,587],[112,296.3]],"evidence":"目标是页面左下方白色斜杠命令弹窗，其中“To-do list”选项高亮。边界框覆盖弹窗表面、所有可见标题、选项、图标及右侧滚动条，不包含外围阴影。正点分布在标题、选项区域和滚动条上；负点位于下方“/to”、右侧页面文字、左侧外部背景及上方任务文字处。"}}]}
+{"video_id":59,"video_type":"desktop and application interfaces","targets":[{"name":"Simple board title","description":"The large bold heading “简单看板” near the upper left of the document, initially above the four workflow columns.","membership":"Includes the heading text only; excludes the clipboard illustration above it, navigation bar, and introductory sentence below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":4.5,"reference_s":0,"evidence":"目标是文档左上方、剪贴板插图下方的大号粗体“简单看板”，不包括导航栏中的同名文字。首个合格帧为0秒，最后一个为4.25秒，标题均完整可见；4.5秒帧已滚动页面，大标题移出画面，仅保留顶部导航文字。区间起点即视频开头，无更早帧。选择0秒作为关键帧，标题清晰完整且无遮挡。","start_frame":0,"end_frame":108,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[90.6,254.6,216.7,308.3],"positive_points":[[94.8,294.4],[106.3,261.1],[135.9,291.7],[165.6,260.2],[173.4,299.1],[192.2,290.7]],"negative_points":[[121.4,156.5],[208.3,375],[74.5,23.1],[239.6,281.5]],"evidence":"目标是文档左上方的大号粗体“简单看板”。边界框仅覆盖这四个标题字；六个正点分布在各字笔画上，负点位于上方剪贴板插图、导航栏标题、下方介绍句及标题右侧空白处。"}},{"name":"Board introduction","description":"The gray italic sentence beginning “通过非常轻量级的简单看板” beneath the large title, explaining the lightweight task board.","membership":"Includes the entire introductory sentence as one text block; excludes the horizontal divider and workflow columns.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标是大标题下方以“通过非常轻量级的简单看板”开头的完整灰色斜体介绍句，不含下方分隔线。首个合格帧为0.00秒，末个为24.75秒；中途随页面滚动移至画面上方，但整句持续完整可见。区间覆盖视频首尾，两端均无外侧采样帧。选择0.00秒作为关键帧，此时介绍句清晰、无遮挡，且与标题和分隔线易于区分。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[90.1,362.9,550.5,387.9],"positive_points":[[96.4,375.0],[169.8,375.0],[240.1,375.9],[329.2,375.0],[433.3,375.0],[543.8,375.0]],"negative_points":[[151.0,281.0],[420.0,418.0],[381.0,477.0],[378.0,333.0]],"evidence":"目标是大标题下方以“通过非常轻量级的简单看板”开头的灰色斜体介绍句。框覆盖完整单行文字，正点分散在句首、句中和句末的字形上；负点位于上方标题、外部空白、下方分隔线和流程列说明，均不属于介绍句。"}},{"name":"Task pool column","description":"The leftmost workflow column, headed “任务池” on pale peach, with the instruction “在这里创建任务”. It initially contains task-creation controls, progress bars, office purchasing, financial planning, and development recruitment tasks.","membership":"Includes the column heading and its colored backing, instruction, controls, progress indicators, and all currently contained task rows and nested subtasks. Follows the column as scrolling and task transfers change its extent. Excludes neighboring columns, cursor, selection highlights, and subtitles.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":20.5,"evidence":"目标是最左侧浅桃色“任务池”标题及“在这里创建任务”说明下的整列，包含创建按钮、进度条和当前任务及子任务。首帧0.00秒已建立，随页面滚动及任务转移保持同一列，末帧24.75秒仍可见；初期下方内容超出页面视口并非入场构建或离场。区间达到视频两端，无更早或更晚的相邻采样帧。选择20.50秒，列内现有任务完整清晰，且无光标、选择高亮或字幕遮挡。","start_frame":0,"end_frame":600,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[87.5,166.7,266.1,804.6],"positive_points":[[125.5,178.7],[191.1,254.6],[136.0,365.7],[144.8,420.4],[184.9,634.3],[176.0,795.4]],"negative_points":[[372.4,306.5],[583.3,253.7],[777.1,398.1],[390.6,901.9]],"evidence":"目标是左侧带浅桃色“任务池”标题的工作流列。框覆盖顶部“在这里创建任务”、标题底色、添加任务控件、进度条，以及当前研发招聘任务和三个嵌套子任务。正点分布于说明、标题、控件、任务文字和底部进度条；负点位于相邻进行中、已完成、归档列及底部字幕，均不属于目标。"}},{"name":"In-progress column","description":"The second workflow column, headed “进行中” on pale blue, initially containing “市场人员招聘” and “测试”. Tasks are dragged into this column, checked off, and subsequently transferred out.","membership":"Includes the instruction above the heading, heading backing, and all task rows, checkboxes, nested subtasks, and progress indicators currently within this column. Excludes adjacent columns and transient selection or drag indicators.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":13,"evidence":"目标为左起第二列：上方说明“将进行中任务拖拽到此处”、浅蓝色“进行中”标题及其下任务内容。首个合格帧为0秒，末个为24.75秒；期间任务被拖入、勾选和移出，但该��始终完整可见，身份连续。区间到达视频首尾，两端均无额外采样帧。选择13秒作为关键帧，此时该列及采购任务、嵌套子任务和进度条清楚可见，没有瞬时拖拽或选择高亮干扰。","start_frame":0,"end_frame":600,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[303.1,167.6,482.8,533.3],"positive_points":[[347.4,179.6],[401.0,252.8],[347.9,306.5],[398.4,361.1],[385.4,467.6],[368.8,521.3]],"negative_points":[[160.4,421.3],[575.0,307.4],[392.7,601.9],[572.9,180.6]],"evidence":"目标是第二列浅蓝色标题“进行中”。边界覆盖上方拖拽说明、标题底色及当前的采购办公用品、进度条、Macbook和办公椅子任务、制定财务计划等内容。正点分布在说明、标题底色和各任务及进度条上；负点位于左右相邻列以及本列内容下方的外部空白，排除其他列。"}},{"name":"Completed column","description":"The third workflow column, headed “已完成” on pale green. It initially contains checked business-registration, licensing, and office-rental tasks, later receives recruitment and testing tasks, and is emptied during archiving.","membership":"Includes its instruction, colored heading, and current task contents, including nested checked rows. Includes the column's empty editing area when its contents are removed. Excludes neighboring columns, cursor, and temporary selection highlighting.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标为第三列：上方有“将已完成任务拖拽到此处”说明、浅绿色“已完成”标题及下方勾选任务（含嵌套行）。首个合格帧为0秒，结构已完整；后续接收招聘和测试任务，归档清空后仍保留同一列的标题及空编辑区域，末个合格帧为24.75秒。区间覆盖视频首尾，两端均无额外采样帧。选择0秒作为关键帧，列结构和初始任务清晰，无遮挡及临时选择高亮。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[519,464,699,834],"positive_points":[[584,477],[638,550],[572,605],[599,658],[599,766],[573,820]],"negative_points":[[378,552],[753,586],[691,601],[610,431]],"evidence":"根据浅绿色“已完成”标题及其下方已勾选任务识别第三个工作流列。边界框覆盖顶部操作说明、彩色标题、工商注册及嵌套任务、申请经营许可证和办公室租赁。正点分布在说明、标题和各层任务内容上；负点位于相邻列、右侧光标及列上方背景，排除这些非目标内容。"}},{"name":"Archive column","description":"The rightmost workflow column, headed “归档” on pale pink, with an instruction to move archived tasks into the appropriate monthly page. It initially displays “2021-01” and later gains “2021-11”.","membership":"Includes the instruction, heading backing, archive-creation control, and monthly page entries within this column. Excludes the completed column and floating help or avatar controls.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":17.5,"evidence":"目标为最右侧归档列，包括上方归档说明、淡粉色“归档”标题底色、“添加归档日期”控件及月份页面条目；不包括左侧已完成列和浮动头像、帮助按钮。首个合格帧为0.00秒，末个为24.75秒，整段结构持续完整可见，新增“2021-11”仅为内部内容变化。区间到达视频首尾，没有边界外相邻采样帧。选择17.50秒作关键帧，此时两个月份条目清晰、列结构完整且遮挡很少。","start_frame":0,"end_frame":600,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[735.9,165.7,913.5,474.1],"positive_points":[[786.5,178.7],[745.8,214.8],[842.7,285.2],[792.2,346.3],[793.2,399.1],[792.7,454.6]],"negative_points":[[601.6,414.8],[713.5,350.9],[963.5,850.9],[962.5,939.8]],"evidence":"目标是最右侧“归档”列。边界框覆盖顶部归档说明、浅粉色标题底板、添加归档日期控件及2021-11、2021-01两个页面条目。正点分布在说明文字、标题底板、创建控件和月份条目上；负点位于左侧已完成列、列间空白及右下角头像和帮助控件。"}},{"name":"Add-task template button","description":"The outlined “＋ 添加任务↓” control beneath the task pool's overall progress bar. Clicking it inserts a new unchecked task.","membership":"Includes the button boundary, surface, plus sign, label, and downward arrow. Excludes the neighboring hover-only edit and more-options controls, cursor, and newly inserted task.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":13,"evidence":"目标是任务池总体进度条下方的描边“＋ 添加任务↓”按钮，不包含旁边悬停出现的编辑和更多控件。首个合格帧为0.00秒，最后为24.75秒；按钮随页面滚动改变位置，但边界、表面及文字始终完整可见，持续至视频结束。区间两端均为视频��界，没有更早或更晚的采样帧。选择13.00秒作为关键帧，此时按钮清晰、无遮挡，也没有相邻悬停控件干扰。","start_frame":0,"end_frame":600,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[89.6,342.6,185.4,387.0],"positive_points":[[101.0,364.8],[121.4,363.9],[144.8,365.7],[172.4,364.8],[95.3,350.0],[178.6,377.8]],"negative_points":[[101.6,307.4],[142.2,420.4],[197.4,364.8],[112.5,252.8]],"evidence":"目标是左侧“任务池”总进度条下方的“＋ 添加任务↓”描边按钮。框覆盖完整按钮边界、表面及内部符号文字；正点分布在加号、标签、箭头和按钮表面，负点位于上方进度控件、下方研发招聘任务、右侧外部空白及任务池标题。"}},{"name":"Office purchasing task group","description":"The “采购办公用品” task, initially in the task pool, with a progress bar and indented “Macbook 5 台” and “办公椅 8 张” subtasks. The entire group is dragged into “进行中”.","membership":"Includes the parent checkbox and label, nested progress indicator, both subtask checkboxes and labels, and the group's intervening layout space. Retains this extent through the transfer. Excludes other selected tasks and temporary selection or drag effects.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":13,"evidence":"目标由“采购办公用品”父任务复选框及文字、嵌套进度条，以及“Macbook 5 台”“办公椅 8 张”两项子任务组成。首个合格帧为0秒，组结构已完整出现在任务池；随后可连续追踪其被拖入“进行中”，不包含同时选中的其他任务或拖拽特效。最后合格帧为24.75秒，整组仍在“进行中”。区间覆盖视频首尾，没有边界外采样帧。选择13秒作为关键帧，整组清晰完整、无遮挡，且选择高亮已消失，便于标注。","start_frame":0,"end_frame":600,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[310.9,294.4,463.0,480.6],"positive_points":[[311.5,308.3],[370.3,305.6],[391.7,362.0],[338.5,414.8],[420.9,414.8],[385.4,467.6]],"negative_points":[[332.3,252.8],[371.4,520.4],[185.4,527.8],[575.0,306.5]],"evidence":"目标位于“进行中”列，父任务为“采购办公用品”，下有进度条及“Macbook 5 台”“办公椅 8 张”两个缩进子任务。框覆盖父子任务的复选框、文字、进度指示及其间布局空间。正点分布于父任务、进度条和两个子任务；负点位于列标题、下方“制定财务计划”、左侧研发任务及右侧已完成任务，均不属于该组。"}},{"name":"Financial planning task","description":"The unchecked “制定财务计划” row, initially below the office purchasing group in the task pool, transferred with that group into “进行中”.","membership":"Includes this task's checkbox and text as one row. Excludes purchasing subtasks, recruitment tasks, and selection highlighting.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":13,"evidence":"目标为未勾选的“制定财务计划”复选框及文字行，起初位于任务池采购办公用品组下方，7.25–7.75秒随该组拖入“进行中”，此后持续可见。首个合格帧为0秒，最后为24.75秒；区间覆盖视频首尾，两端均无外侧采样帧。选择13秒作为关键帧，该行在“进行中”列内清晰完整，无选择高亮或字幕遮挡，易于与采购子任务区分。","start_frame":0,"end_frame":600,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[310.94,509.26,411.46,533.33],"positive_points":[[311.46,520.37],[336.46,512.96],[351.56,526.85],[365.1,518.52],[378.65,520.37],[407.81,522.22]],"negative_points":[[384.9,468.52],[393.75,413.89],[195.83,525.93],[369.27,569.44]],"evidence":"目标位于“进行中”栏，在采购办公用品及其子任务下方，为未勾选的“制定财务计划”行。边界框仅覆盖该行复选框和完整文字；正点分布于复选框边线及文字笔画，负点位于办公椅、Macbook、招聘任务和该行下方空白处。"}},{"name":"Marketing recruitment task","description":"The “市场人员招聘” row initially at the top of “进行中”. It is checked, moved into “已完成”, and then archived.","membership":"Includes the task label and its completion control, following the row through transfers and checked styling. Excludes other rows and drag or selection indicators; its appearance ends when it disappears into the archive page.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":4.5,"evidence":"目标是最初位于“进行中”顶部的“市场人员招聘”文字及其完成控件；可连续追踪其勾选、移入“已完成”及归档过程。首个合格帧为0秒，视频起点之前无采样帧；最后合格帧为19.75秒，该行仍在“已完成”中，20秒时已随归档消失。选择4.5秒作为关键帧，此时该行完整清晰、未被遮挡，也无选中或拖拽指示��扰。","start_frame":0,"end_frame":480,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[310.94,294.44,411.98,320.37],"positive_points":[[312.5,299.07],[317.71,318.52],[338.54,305.56],[357.81,308.33],[380.21,305.56],[405.21,306.48]],"negative_points":[[348.96,361.11],[338.54,252.78],[572.92,307.41],[424.48,332.41]],"evidence":"目标是“进行中”栏顶部的“市场人员招聘”任务，当前复选框未勾选。边界框紧贴该行的复选框和完整任务文字；正点分布在复选框轮廓与文字笔画上，负点位于下方“测试”行、栏目标题、右侧其他任务及行外空白处。"}},{"name":"Original testing task","description":"The “测试” row initially beneath “市场人员招聘” in “进行中”, distinguishable from the second testing row subsequently created in the task pool. It is checked and moved to the completed column before archiving.","membership":"Includes this original row's label and checkbox or checkmark throughout its visible transfers. Excludes the separately created testing task and temporary highlights.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":0,"evidence":"目标是起初位于“进行中”栏、“市场人员招聘”下方的原始“测试”行，区别于后来新增并移入的第二个“测试”行。可连续追踪其勾选、移至“已完成”及拖入归档的过程。首个合格帧为0秒，最后为19.75秒，此时仍可见归档拖拽中的完整半透明行；20秒时该行已消失。视频起点前无采样帧。选择0秒作为关键帧，此时标签和复选框清晰，且尚无新增同名任务干扰。","start_frame":0,"end_frame":480,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[310.4,646.3,362.5,672.2],"positive_points":[[311.5,655.6],[318.2,670.0],[337.0,654.6],[343.2,662.0],[353.6,650.9],[359.9,664.8]],"negative_points":[[317.7,606.5],[366.1,604.6],[328.1,550.9],[389.6,660.2]],"evidence":"目标位于“进行中”栏，在“市场人员招聘”下方，是带未勾选复选框的原始“测试”任务。边框紧贴该行复选框和完整文字；正点分布在框线及文字笔画上，负点位于上方招聘任务、栏目标题及右侧外部空白处。"}},{"name":"Add-archive-date template button","description":"The outlined “＋ 添加归档日期↓” control under “归档”. It is clicked to create the displayed November archive page.","membership":"Includes the outlined button surface, plus sign, label, and arrow. Excludes neighboring hover-only edit and more-options controls and the monthly page links below.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":13,"evidence":"目标是“归档”标题下方带细边框的“＋ 添加归档日期↓”按钮，不含旁边悬停出现的编辑、更多控件及下方月份链接。首个合格帧为0.00秒，最后为24.75秒；期间按钮随页面滚动改变位置，但完整结构持续可见，15.50秒后下方新增2021-11页面不改变按钮身份。区间覆盖视频首尾，无更早或更晚采样帧。选择13.00秒作为关键帧，按钮完整清晰，无鼠标遮挡，也没有邻近悬停控件干扰。","start_frame":0,"end_frame":600,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[736.46,324.07,859.38,366.67],"positive_points":[[749,344.44],[768.75,346.3],[787.5,345.37],[811.46,347.22],[830.21,345.37],[845.83,346.3]],"negative_points":[[760.42,287.04],[791.67,401.85],[717.71,345.37],[876.04,346.3]],"evidence":"目标是“归档”标题下方的“＋ 添加归档日期↓”描边按钮。边界框紧贴按钮外缘，包含按钮表面、加号、文字及箭头；六个正点分布于按钮各部分，负点位于上方标题、下方月份链接及左右外部背景，均不包含在目标内。"}},{"name":"January archive page link","description":"The calendar-marked “2021-01” page entry initially shown below the archive-creation button, remaining below the newly created November entry.","membership":"Includes the calendar icon and linked month label as one page-entry unit. Excludes the archive heading, creation button, and November page entry.","id":"obj_013","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":16.75,"evidence":"目标是“归档”栏中带日历图标的“2021-01”页面链接，最初位于添加归档日期按钮下方，新增“2021-11”后仍位于其下方。首个合格帧为0.00秒，末个为24.75秒，整个采样序列持续可见且结构完整；区间达到视频首尾，边界外无采样帧。选择16.75秒作关键帧，此时一月链接清晰无遮挡，并可与上方十一月链接明确区分。","start_frame":0,"end_frame":600,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[739.1,438.9,821.9,474.1],"positive_points":[[743.8,444.4],[751.9,463.0],[767.7,452.8],[785.4,454.6],[806.3,452.8],[817.7,454.6]],"negative_points":[[785.4,400.0],[800.0,344.4],[752.6,286.1],[850.0,455.6]],"evidence":"目标位于右侧归档栏，是新增“2021-11”下方的“2021-01”页面链接。边界框覆盖一月日历图标、月份文字及链接下划线；正点分布在图标和月份字形上，负点位于十一月条目、创建按钮、归档标题及右侧空白处。"}},{"name":"Task-pool explanation caption","description":"The opening bottom-center caption “其中任务池，即任务列表”, presented in large white lettering on a muted red rectangle.","membership":"Includes the caption lettering only. Excludes its colored backing, underlying board, and cursor.","id":"obj_014","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0.25,"evidence":"目标为底部居中的白色字幕“其中任务池，即任务列表”，仅计文字，不含 muted red 底板。首个合格帧为0.00秒，文字已完整呈现；最后合格帧为0.75秒，1.00秒帧中该字幕已消失。区间从视频起点开始，无更早采样帧。选择0.25秒作为关键帧，文字清晰完整且无遮挡。","start_frame":0,"end_frame":24,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[309.4,872.2,689.6,934.3],"positive_points":[[318.8,881.5],[361.5,900],[474,923.1],[521.4,902.8],[648.9,911.1],[671.9,900]],"negative_points":[[500,942.6],[336.5,783.3],[353,658.3],[710,900]],"evidence":"目标是底部中央红色底板上的白字“其中任务池，即任务列表”。边界框紧贴整段文字，包含逗号但不包含红色底板。六个正点分布在前后文字的笔画上；负点位于文字下方的红色底板、光标、看板其他文字及右侧空白处。"}},{"name":"Task creation and transfer captions","description":"The next bottom caption sequence explains clicking the template button to add a task and then dragging started tasks into “进行中”. It begins “点击模板按钮，新增一个待办任务” and expands across the lower frame for the transfer explanation.","membership":"Includes the continuously presented instructional lettering, following its changing line width. Excludes the muted red backing, board contents, and interaction highlights. Ends when this caption stretch disappears before the completion instructions.","id":"obj_015","temporal":{"status":"found","start_s":1.25,"end_s":8.5,"reference_s":6.75,"evidence":"目标为底部连续的任务创建与转移说明文字：先显示“点击模板按钮，新增一个待办任务”，随后变为将已开始任务拖至“进行中”的说明，不含红色底板。首个合格帧为1.25秒，前一帧1.00秒无该字幕；最后合格帧为8.25秒，后一帧8.50秒字幕已消失，8.75秒出现另一段完成操作说明。选择6.75秒作为关键帧，转移说明文字完整清晰，便于标注其横向范围。","start_frame":30,"end_frame":204,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[66.1,874.1,933.3,933.3],"positive_points":[[78.1,900],[182.8,882.4],[369.8,905.6],[528.1,907.4],[779.2,904.6],[918.2,883.3]],"negative_points":[[62,903],[312,863],[349,360],[581,522]],"evidence":"底部字幕显示“我们将已经开始的任务选中拖拽移动到‘进行中’列表下”，对应任务转移说明。框仅覆盖整行白色说明文字；六个正点分布在各段字形笔画上，负点位于左侧红色 backing、字幕外背景及上方看板内容。"}},{"name":"Newly created testing task","description":"The new unchecked row inserted immediately beneath “添加任务”, initially showing “待办列表” and then named “测试”. It is dragged into “进行中” below the original testing row, checked, moved to “已完成”, and archived.","membership":"Includes the inserted row's checkbox and editable label through placeholder, typing, and completed states. Follows that same row across columns. Excludes the input-method candidate popup, original testing row, selection overlays, and drag indicators.","id":"obj_016","temporal":{"status":"found","start_s":1.5,"end_s":20.0,"reference_s":3.5,"evidence":"目标是“添加任务”正下方新增的复选框行：1.50秒首次完整显示“待办列表”，随后输入为“测试”，可连续追踪其移入“进行中”、勾选并移入“已完成”，最后归档。起点前1.25秒尚无该行；最后 qualifying 帧为19.75秒，该行仍在“已完成”列底部可见，同时正被拖向归档页；20.00秒已从看板消失。选3.50秒作为关键帧，此时新增“测试”行清晰无遮挡，且与“进行中”的原有测试行易于区分。","start_frame":36,"end_frame":480,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[95.3,708.3,142.7,733.3],"positive_points":[[95.8,718.5],[102.1,730.6],[118.8,717.6],[125.5,721.3],[133.9,716.7],[140.1,725.9]],"negative_points":[[347.9,658.3],[137.5,662.0],[151.0,773.1],[159.4,719.4]],"evidence":"目标是左侧“任务池”中紧接“添加任务”下方的新建“测试”行，区别于“进行中”已有的“测试”。边界框仅覆盖该行未勾选复选框及“测试”文字；正点分布于框线和字形，负点位于原测试行、���加任务按钮、采购办公用品行及右侧外部空白。"}},{"name":"Completion and archiving captions","description":"The later bottom instructional caption sequence begins “在完成了的任务前面打上对勾” and proceeds through moving tasks to “已完成”, creating the monthly archive, transferring completed tasks, and opening the archive page.","membership":"Includes the changing instructional text throughout this continuous caption stretch, following its changing width and fading transitions. Excludes the red backing rectangles, board contents, and cursor.","id":"obj_017","temporal":{"status":"found","start_s":8.75,"end_s":24.25,"reference_s":9.0,"evidence":"目标为底部从“在完成了的任务前面打上对勾”开始、依次讲解移至已完成、创建月度归档、转移任务及打开归档页面的文字序列，不含红色底板。首个合格帧为8.75秒，前一帧8.5秒未显示该文字；按指定范围保留中间文案变化及淡化过渡。最后合格帧为24.0秒，24.25秒文字已消失。选择9.0秒作为关键帧，文字完整清晰且无遮挡。","start_frame":210,"end_frame":582,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[275.5,875,723.4,932.4],"positive_points":[[287.5,893.5],[326,900],[417.7,908],[493.2,905.6],[568,882.4],[716.1,910.2]],"negative_points":[[270,899],[729.7,904],[500,939.8],[545,520]],"evidence":"底部可见白色字幕“在完成了的任务前面打上对勾”，对应指定字幕序列的开头。框仅覆盖整行文字，不含红色衬底。六个正点分布在不同汉字笔画上；负点位于文字外的红色衬底及上方看板内容处。"}},{"name":"November archive page link","description":"The new calendar-marked “2021-11” entry created above “2021-01” in the archive column. Completed tasks are dragged onto this entry, after which the completed column becomes empty.","membership":"Includes the monthly page entry's calendar icon and linked “2021-11” label, including its initial loading state. Excludes the January entry, hover-only menu, selection or drop-target highlighting, and the dragged task preview.","id":"obj_018","temporal":{"status":"found","start_s":15.5,"end_s":25.0,"reference_s":18.0,"evidence":"目标是归档列中位于“2021-01”上方的新“2021-11”月度页面链接，包含加载状态及随后出现的日历图标。首个符合帧为15.50秒；前一帧15.25秒只有一月条目。该链接持续至最后采样帧24.75秒，视频结束后无相邻帧。选择18.00秒作为关键帧，此时日历图标和链接文字清晰，未被拖拽预览遮挡，且无选中高亮。","start_frame":372,"end_frame":600,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[738.5,384.3,821.4,420.4],"positive_points":[[743.8,391.7],[753.1,407.4],[767.7,397.2],[782.8,398.1],[796.4,397.2],[816.7,400]],"negative_points":[[782.3,453.7],[786.5,346.3],[765.6,286.1],[574,307.4]],"evidence":"目标是右侧“归档”栏中位于“2021-01”上方的“2021-11”月度页面链接。边界框覆盖其日历图标、链接文字及下划线；六个正点分布于图标和文字笔画，负点位于下方一月链接、添加归档日期按钮、归档标题及左侧已完成任务上。"}}]}
+{"video_id":60,"video_type":"desktop and application interfaces","targets":[{"name":"Layers panel","description":"The left Figma sidebar showing the document hierarchy, including Frame 2046, Frame 2045, and their Rectangle layers. It expands as horizontal rectangles are duplicated and highlights the selected objects.","membership":"Include the sidebar surface, tabs, layer names, hierarchy icons, and layer controls. Exclude the browser chrome, top application toolbar, canvas, taskbar, and overlaid keystroke display.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":2.25,"evidence":"目标是 Figma 左侧图层栏，包含“图层/资产”标签、Frame 2046、Frame 2045 及 Rectangle 层级和控件。首个合格帧为 0.00 秒，最后为 19.75 秒；侧栏表面和边界始终完整，内部层级展开与选中状态变化不影响连续性。区间覆盖视频全程，两端均无界外采样帧。选择 2.25 秒作为关键帧，此时层级清楚展开，且没有按键叠层遮挡侧栏。","start_frame":0,"end_frame":480,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[0,138.9,156.8,953.7],"positive_points":[[18.2,160.2],[62.5,239.8],[89.1,350.9],[42.2,573.1],[76.6,776.9],[56.3,905.6]],"negative_points":[[98.9,110.2],[224,60.2],[234.4,416.7],[114.6,980.6]],"evidence":"目标是左侧显示“图层／资产”标签及 Frame 2046、Frame 2045 和 Rectangle 层级的侧栏。边框覆盖顶部标签到底部可见图层列表的完整侧栏表面，不含右侧阴影和画布。正点分布在标签、图层名称、选中行及列表表面；负点位于浏览器栏、顶部应用工具栏、画布和底部任务栏。"}},{"name":"Design properties panel","description":"The right Figma sidebar used to change the selected object's height behavior, auto-layout padding, and fill. It displays dimensions, sizing modes, auto-layout controls, and appearance settings.","membership":"Include the sidebar surface and all its visible controls and contents, including the temporarily opened height-sizing menu extending beyond its left edge. Exclude the canvas objects, browser chrome, top toolbar, and cursor effects.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":0.75,"evidence":"目标是 Figma 右侧“设计”属性栏，包含尺寸、尺寸模式、自动布局及填充等设置；0.50–0.75 秒打开的高度模式菜单也属于目标。侧栏表面与边界从首帧 0.00 秒至末帧 19.75 秒始终完整可见，内部控件随选择变化不构成消失。区间到达视频两端，没有更早或更晚的采样帧。选择 0.75 秒为关键帧，侧栏及向左展开的高度模式菜单均清晰可辨。","start_frame":0,"end_frame":480,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[832.3,138,1000,953.7],"positive_points":[[859.8,160.2],[923.4,317.6],[937.5,436.1],[881.8,500.9],[909.4,700],[877.6,842.6]],"negative_points":[[795.8,613.9],[742.7,382.4],[912,110.2],[934.9,59.3]],"evidence":"目标是右侧带“设计 / 原型 / Inspect”标签的属性侧栏。边界覆盖顶栏下方至任务栏上方的整个侧栏，并包含向左伸出的高度调整菜单。正点分布在标签、提示区、尺寸设置、展开菜单、填充和下方外观区域；负点位于左侧画布及画布对象、顶部工具栏和浏览器栏。"}},{"name":"Vertical-bar layout example","description":"A compact row of six tall light-gray rectangles on the upper-left portion of the canvas, above the edited example. Its label becomes visible as 竖向排列 when the canvas moves.","membership":"Include the six rectangular bars as one coherent demonstration graphic. Exclude the gaps between their silhouettes, the canvas background, and the adjacent frame-name label.","id":"obj_003","temporal":{"status":"found","start_s":5.0,"end_s":20.0,"reference_s":6.5,"evidence":"目标是画布左上方并排的六根浅灰色竖条，位于正在编辑的示例上方，旁有“竖向排列”标签（不计入目标）。4.75秒时竖条上端仍被画布顶部边界截断；5.0秒首次完整显示，之后持续存在至最后采样帧19.75秒，因此结束时间为20.0秒，视频末尾无后续帧。选择6.5秒作为关键帧，六根竖条完整清晰、无遮挡，且与相邻示例容易区分。","start_frame":120,"end_frame":480,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[291.67,200.93,427.6,403.7],"positive_points":[[300,246.3],[323.96,340.74],[348.44,275.93],[371.35,362.96],[395.31,235.19],[419.27,318.52]],"negative_points":[[270.83,287.04],[359.38,435.19],[442.71,300.93],[302.08,189.81]],"evidence":"目标是画布左上方、“竖向排列”标签下的六根浅灰色竖条。边界框紧贴六条的整体可见范围，不含上方标签；六个正点分别落在每根竖条内部，负点位于左侧、右侧、下方画布及上方标签处，未放在条间空隙。"}},{"name":"Nested layout example","description":"The upper-middle comparison graphic, with a thick gray rectangular surround, eight white horizontal openings, and a pale vertical strip along the inner right edge. It is labeled 横纵嵌套.","membership":"Include the complete outer rectangular boundary and everything enclosed by it, including horizontal divisions, white interiors, and the inner vertical strip. Exclude the canvas and the frame-name label above it.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":6.25,"evidence":"目标为画布上方中间标注“横纵嵌套”的比较图：粗灰色矩形外框、八条白色横向开口及内侧右边的浅色竖条。首个合格帧为0.00秒，外框及内部结构已完整可见；末个合格帧为19.75秒，期间持续存在，仅随画布平移。区间到达视频两端，没有更早或更晚的采样帧。选择6.25秒作为关键帧，目标完整、无遮挡，且与右侧相似图形容易区分；不包含上方名称标签。","start_frame":0,"end_frame":480,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[474.48,200.93,643.23,562.04],"positive_points":[[479.69,214.81],[555.73,234.26],[626.56,312.04],[520.83,361.11],[593.75,446.3],[567.71,551.85]],"negative_points":[[492.19,188.89],[395.31,315.74],[729.17,359.26],[572.92,592.59]],"evidence":"目标是画布上方中间、标有“横纵嵌套”的比较图。边界框紧贴灰色外矩形，包含八条白色横向区域、灰色分隔及右侧浅色竖条，不含上方标签。正点分布在外框、白色内部和右侧竖条；负点位于标签、左右相邻示例及下方画布。"}},{"name":"Absolute-position layout example","description":"The upper-right comparison graphic, labeled 绝对定位, showing eight white horizontal openings within a gray frame-like structure and a pale strip at its right edge.","membership":"Include the complete rectangular graphic, its outer boundary, and all enclosed content. Exclude the surrounding canvas and the frame-name label above it.","id":"obj_005","temporal":{"status":"found","start_s":5.0,"end_s":20.0,"reference_s":6.5,"evidence":"目标是画布右上方标注“绝对定位”的比较图：灰色外框内有八条白色横向开口，右缘有浅色竖条。5.00秒首次完整显示图形外边界；前一帧4.75秒顶部仍被画布视口上沿截去。此后持续可见，最后合格帧为19.75秒，视频于20.00秒结束，无后续帧。选择6.50秒为关键帧，目标完整清晰、无遮挡，易与左侧比较图区分。","start_frame":120,"end_frame":480,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[670.8,200.9,829.2,562.0],"positive_points":[[676.6,213.0],[739.6,235.2],[823.0,314.8],[716.1,380.6],[755.2,486.1],[803.6,550.0]],"negative_points":[[656.3,370.4],[583.3,319.4],[744.8,611.1],[739.6,162.0]],"evidence":"目标是右上方“绝对定位”标签下的比较图。边界框紧贴完整灰色矩形结构，包含八条白色横向开口及右侧浅色条，不含上方标签。正点分布于外框、内部开口和右侧条带；负点位于图外画布及左侧另一幅示例图。"}},{"name":"Frame 2046 auto-layout example","description":"The main edited canvas object, initially below the comparison graphics. It contains three gray horizontal bars beside a narrow vertical bar; the horizontal bars increase to six. The frame gains padding and a white fill, then moves to the right.","membership":"Include the full frame surface and its contents, including the horizontal-bar stack, right vertical bar, and padding as the frame resizes. The separately identified children remain included. Exclude the frame-name label, selection outlines, resize handles, size badges, spacing indicators, and surrounding canvas.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":18.75,"evidence":"目标是比较图形下方的 Frame 2046：起初由三条灰色横条和右侧窄竖条组成，随后横条增至六条，调整内边距、添加白色填充并向右移动，始终是同一容器。首个合格帧为 0.00 秒，最后为 19.75 秒，全程可见；区间已覆盖视频首尾，两端均无额外相邻帧。选择 18.75 秒作为关键帧，白色框面、六条横条、右侧竖条及内边距完整清楚，便于排除框名和编辑辅助标记。","start_frame":0,"end_frame":480,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[474.5,610.2,641.1,862.0],"positive_points":[[510,634],[591,676],[534,755],[589,835],[628,741],[617,856]],"negative_points":[[511,602],[560,537],[450,738],[662,750]],"evidence":"目标是画布下方标有“Frame 2046”的白色自动布局框，内含六条灰色横条及右侧竖条。边界框覆盖完整白色框面、内边距和所有条形内容，不包含上方名称及红色选择标记。正点分布在横条、竖条和底部白色内边距；负点位于名称、上方对比图及左右外围画布。"}},{"name":"Horizontal-bar stack in Frame 2046","description":"The left-hand content of the edited example, represented by Frame 2045 in the layer hierarchy. Three equally sized light-gray horizontal rectangles become six through repeated duplication of the bottom item.","membership":"Include the horizontal rectangles as one compact stack, following its changing extent as items are added. Exclude the neighboring vertical bar, outer-frame padding, canvas, selection indicators, and dimension badges.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":4.75,"evidence":"目标是 Frame 2046 内左侧、图层 Frame 2045 对应的浅灰色横条堆叠；初始三条，经复制增至六条，之后调整外框内边距和位置，堆叠持续可见。首个合格帧为 0.00 秒，最后为 19.75 秒；区间覆盖视频首尾，两端均无额外相邻帧。选择 4.75 秒作为关键帧，六条横矩形完整清晰且无选择框干扰，易与右侧竖条区分；不包含竖条、外框留白及选择标记。","start_frame":0,"end_frame":480,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[280.2,560.2,416.1,794.4],"positive_points":[[311.5,576.9],[385.4,616.7],[339.6,657.4],[371.9,697.2],[302.1,737.0],[391.7,777.8]],"negative_points":[[429.2,675.9],[261.5,661.1],[349.0,830.6],[458.3,733.3]],"evidence":"目标位于画布下方的 Frame 2046 内，是左侧六条等宽浅灰色横矩形。边界框紧贴整个横条堆叠，不含右侧竖条和框外留白。六个正点分别落在六条横矩形上；负点位于邻近竖条及堆叠左侧、下方和右侧的外部画布。"}},{"name":"Right vertical Rectangle 130","description":"The narrow light-gray rectangle beside the horizontal stack in Frame 2046. Initially selected, its height is changed from fixed to fill-container, allowing it to grow as horizontal rows are added. It is selected again at the end.","membership":"Include only the filled vertical rectangular shape and its actual boundary throughout resizing and movement. Exclude the adjacent stack, gaps, parent-frame padding, blue selection outline, handles, and size badge.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":19.75,"evidence":"目标是 Frame 2046 内横向条目堆栈右侧的窄浅灰色 Rectangle 130，仅包含其填充形状及实际边界。它从首帧 0.00 秒起完整可见，改为填充容器后随新增行增高，并在调整内边距及移动父框时持续存在；末帧 19.75 秒仍完整可见且再次被选中。区间覆盖视频全长，起点之前和终点之后均无采样帧。选择 19.75 秒作为关键帧，因为目标轮廓清晰、与左侧堆栈有明确间隔，便于排除蓝色选框、手柄和尺寸标签。","start_frame":0,"end_frame":480,"reference_frame":474},"grounding":{"status":"found","bbox_xyxy":[621.4,621.3,634.9,852.0],"positive_points":[[626.0,639.0],[630.0,684.0],[626.0,733.0],[630.0,780.0],[626.0,819.0],[630.0,842.0]],"negative_points":[[575.0,636.0],[568.0,757.0],[655.0,727.0],[659.0,865.0]],"evidence":"目标是下方 Frame 2046 内、横向灰色条堆叠右侧的窄竖直灰色矩形。边界框仅覆盖可见灰色填充，不含蓝色选框、控制柄和尺寸标签。六个正点沿矩形内部纵向分布；负点位于左侧横条及右侧外部背景。"}},{"name":"Keystroke demonstration display","description":"A translucent display over the lower-left workspace showing repeated Ctrl + D commands, followed by numeric padding entries and Return. Its contents update during the demonstration.","membership":"Include the visible keystroke cards, their backing surfaces, keycap shapes, and text as one updating display. Exclude the underlying layer panel and canvas, the separate duplication notification, and the system taskbar.","id":"obj_009","temporal":{"status":"found","start_s":2.75,"end_s":20.0,"reference_s":9.75,"evidence":"目标是左下方半透明按键演示卡片组成的更新显示，先显示 Ctrl + D，随后更新为数字和 Return；不包含旁边的复制通知。2.75 秒首次完整出现，前一帧 2.50 秒尚无按键卡片。最后一帧 19.75 秒仍显示“1010 Return”，因此延续至视频结束 20.00 秒，之后无采样帧。选择 9.75 秒作为关键帧，按键卡片、底板及 Ctrl + D、数字和 Return 均清晰可辨。","start_frame":66,"end_frame":480,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[80.7,688.9,280.7,883.3],"positive_points":[[95,710],[113,739],[199,735],[111,839],[163,845],[238,838]],"negative_points":[[56,682],[305,831],[341,631],[190,977]],"evidence":"目标是左下方半透明按键演示浮层，上排显示“Ctrl + D”，下排显示“5050 Return”。边界框覆盖两张卡片的底板、键帽和文字。正点分布在两排卡片内容及底板上；负点位于外部图层面板、画布和底部系统任务栏，均不属于该浮层。"}}]}
+{"video_id":61,"video_type":"desktop and application interfaces","targets":[{"name":"Bases de datos en Notion heading","description":"Large bold page title above the task database.","membership":"Includes only the complete title text “Bases de datos en Notion”; excludes the breadcrumb, database below, and page background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":0,"evidence":"目标是任务数据库上方的大号粗体完整标题“Bases de datos en Notion”，不含顶部面包屑。首个合格帧为0.00秒，最后为3.00秒；3.25秒出现的“Tarea 03”弹窗遮住标题大部分文字，此后未再完整显示。区间始于视频开头，没有更早的采样帧。选择0.00秒作为关键帧，标题完整清晰且无遮挡。","start_frame":0,"end_frame":78,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[101.56,83.33,381.25,116.67],"positive_points":[[104.17,98.15],[183.33,90.74],[213.54,104.63],[280.73,101.85],[311.46,100.93],[378.13,104.63]],"negative_points":[[210,17],[151,157],[450,100],[209,234]],"evidence":"目标是任务数据库上方的大号粗体标题“Bases de datos en Notion”。边界框紧贴完整标题文字；六个正点分布在标题各部分的字形笔画上，四个负点分别位于顶部面包屑、下方小标题、右侧页面空白和数据库内容处。"}},{"name":"Tareas a realizar table","description":"Upper database table containing five tasks, with columns “Título”, “Descripción”, “Tipo”, “Responsable”, “Fecha”, and “Finalizada”. A new property column appears as the demonstration progresses.","membership":"Includes the database heading, table surface, column headers, rows, cell contents, grid lines, and bottom New and Calculate controls. Excludes the separate board below and overlaid dialogs.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标是上方标题为“Tareas a realizar”的数据库表格，含五条任务及指定六列，下方有 New 和 Calculate 控件，不包括独立看板。首个合格帧为 0.00 秒，最后为 14.75 秒；期间虽被菜单和任务弹窗遮挡、背景变暗，但两侧仍可见同一表格，新增属性列不改变其身份。区间覆盖视频首尾，边界外没有采样帧。选择 0.00 秒作为关键帧，表格完整清晰且无遮挡。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[100.5,146.3,893.2,453.7],"positive_points":[[141,156],[123,268],[326,304],[595,374],[124,411],[135,444]],"negative_points":[[256,99],[159,484],[518,630],[919,317]],"evidence":"目标为上方含五条任务、六个指定字段的数据库表。边界框覆盖“Tareas a realizar”标题、表面、列头、全部数据行及底部 New 和 Calculate 控件。正点分布于标题、任务单元格、类型、日期和底部控件；负点位于页面大标题、下方独立看板及表格右侧外部空白。"}},{"name":"Tareas a realizar board","description":"Lower linked database in the “Tablero” view, with task cards grouped under “No Tipo”, “Incidente”, “Urgencia”, “Funcionalidad”, and “Impedimento”.","membership":"Includes the board heading and toolbar, group headings, task cards and their contents, and group creation controls. Excludes the upper table, page title, and floating menus or dialogs.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标是上方表格下方的“Tareas a realizar”数据库看板，处于“Tablero”视图，包含五个分组及任务卡片。首个合格帧为0秒；3.25秒起弹出的任务详情对话框遮挡看板中央，但两侧分组和卡片仍可见，确认同一看板持续存在，末个合格帧为14.75秒。区间覆盖视频首尾，没有边界外的采样帧。选择0秒作为关键帧，因为看板标题、工具栏、分组和卡片均清晰且无遮挡。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[100,470,950,876],"positive_points":[[158,484],[131,535],[343,609],[508,628],[674,774],[851,629]],"negative_points":[[238,102],[251,301],[58,659],[941,895]],"evidence":"目标是下方标题为“Tareas a realizar”、视图为“Tablero”的分组看板。边界框覆盖看板标题与工具栏、五个分组标题、任务卡片及新增控件。六个正点分布在标题和各分组内容上；负点位于上方页面标题、表格、左侧外部空白及右下角悬浮标志，均不属于看板。"}},{"name":"Board database options menu","description":"Tall white menu opened at the right of the board, offering commands including “Delete”, “Duplicate”, “Properties”, “Filter”, “Sort”, “Group”, and “Export”.","membership":"Includes the complete floating menu surface, boundary, command rows, separators, and footer. Excludes the board behind it and the watermark overlapping its lower corner.","id":"obj_004","temporal":{"status":"found","start_s":0.75,"end_s":1.75,"reference_s":1.0,"evidence":"目标是看板右侧的高白色浮动菜单，包含 Delete、Duplicate、Properties、Filter、Sort、Group、Export 等命令及底部分隔区。首个合格帧为 0.75 秒，菜单表面和边界已完整呈现；最后合格帧为 1.50 秒。此前 0.50 秒尚未打开菜单，此后 1.75 秒菜单已开始淡出。选择 1.00 秒作为关键帧，菜单结构和文字清晰，除右下角水印遮挡外无遮挡；水印不属于目标。","start_frame":18,"end_frame":42,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[794.8,380.6,942.2,988],"positive_points":[[821,402],[906,518],[830,625],[862,744],[854,835],[862,972]],"negative_points":[[745,610],[771,879],[944,899],[968,665]],"evidence":"目标是看板右侧含 Delete、Duplicate、Properties、Filter、Sort、Group 和 Export 的白色浮动菜单。边框覆盖菜单顶部至底部页脚的完整可见范围；正点分布在命令行、菜单表面和页脚，负点位于左侧看板、右侧外部背景及遮住菜单右下角的水印上。"}},{"name":"Tarea 03 detail dialog","description":"Centered white task-page dialog opened from the board. It shows “Tarea 03”, “Realizar la tarea 03”, the “Incidente” type, January 4, 2022, Mónica, and an unchecked “Finalizada” field. A new status property is added inside it.","membership":"Includes the entire dialog surface and boundary, top toolbar, task title, property rows, comment area, and empty-page prompt. The separately identified status property remains part of this dialog. Excludes the dimmed background and floating property-editing menus.","id":"obj_005","temporal":{"status":"found","start_s":3.25,"end_s":15.0,"reference_s":14.5,"evidence":"目标是居中的白色“Tarea 03”任务详情对话框，含标题、属性行、顶部工具栏、评论区及空白页面提示；不包括浮动属性菜单和灰暗背景。3.25秒时对话框表面与边界已完整出现，前一帧3.00秒仍仅显示任务看板。此后对话框持续存在，内部新增状态属性不改变其身份。最后合格帧为14.75秒，视频在15.00秒结束，无后���帧。选择14.50秒作为关键帧，此时对话框清晰完整、无浮动菜单遮挡，且新增的Estatus属性显示“Por iniciar”。","start_frame":78,"end_frame":360,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[207.8,69.4,783.9,924.1],"positive_points":[[250,95],[333,211],[419,348],[409,470],[337,635],[693,809]],"negative_points":[[153,304],[849,404],[506,962],[130,132]],"evidence":"目标是居中的白色“Tarea 03”详情对话框，可见任务描述、Incidente、日期、Mónica、未勾选的Finalizada及新增Estatus属性。边框覆盖整个对话框，包括顶部工具栏、属性区、评论区、空页面提示和白色表面。正点分布于工具栏、标题、属性、提示及下方空白表面；负点位于对话框外的灰暗背景。"}},{"name":"New Estatus property row","description":"New property beneath “Finalizada” in the Tarea 03 dialog, initially named “Property” with an empty text value. It is changed to Select, renamed “Estatus”, and assigned “Por iniciar”.","membership":"Includes this property’s type icon, name, and value area as one row, including the eventual “Por iniciar” tag. Excludes adjacent property rows, the Add a property control, and floating editors.","id":"obj_006","temporal":{"status":"found","start_s":4.5,"end_s":15.0,"reference_s":14.5,"evidence":"目标是 Tarea 03 弹窗中紧接“Finalizada”下方的新属性行，包含类型图标、名称和值区域。4.50 秒首次完整显示“Property / Empty”；此前 4.25 秒该位置仍是“Add a property”控件。该行随后改为 Select、重命名为“Estatus”，并赋值“Por iniciar”，持续至最后采样帧 14.75 秒。区间到达视频末尾，无后续帧。选择 14.50 秒作为关键帧，因为此时整行清晰、无遮挡，且最终名称和标签均已显示。","start_frame":108,"end_frame":360,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[286.9,459.3,433.3,479.6],"positive_points":[[291.7,469.4],[303.6,468.5],[324.5,470.4],[392.2,470.4],[408.3,469.4],[425,469.4]],"negative_points":[[320.8,428.7],[391.7,428.7],[331.3,510.2],[319.3,388.9]],"evidence":"目标是“Tarea 03”对话框中位于“Finalizada”下方的“Estatus”属性行，值为“Por iniciar”。边框紧贴该行的类型图标、名称及值标签；六个正点分布于图标、名称文字和标签。负点位于相邻的“Finalizada”“Responsable”行及下方“Add a property”控件，均不属于目标。"}},{"name":"Initial property configuration menu","description":"Floating editor opened when the new “Property” field is added. It contains a name input, the initial “Text” property type, and commands such as “Hide property”, “Duplicate property”, and “Delete property”.","membership":"Includes the complete editor panel, its boundary, name input, and command rows. Excludes the separate property-type submenu and the task dialog behind it.","id":"obj_007","temporal":{"status":"found","start_s":4.75,"end_s":7.0,"reference_s":5.0,"evidence":"目标是新增“Property”字段后出现的浮动配置面板，含名称输入框、初始“Text”类型及“Hide property”“Duplicate property”“Delete property”等命令，不包括右侧类型子菜单。首个完整呈现帧为4.75秒，最后合格帧为6.75秒；前一帧4.50秒仍在淡入，后一帧7.00秒已开始淡出。选择5.00秒为关键帧，此时面板边界与命令清晰，且尚无类型子菜单干扰。","start_frame":114,"end_frame":168,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[259.4,488,403.6,757.4],"positive_points":[[327.6,514.8],[309.4,587],[313,629.6],[326,662],[314.6,692.6],[325.5,735.2]],"negative_points":[[244.8,601.9],[425.5,641.7],[322.9,468.5],[332.8,787]],"evidence":"目标是任务弹窗左下方的浮动属性编辑菜单，可见“Property”名称输入框、“Text”类型及隐藏、复制、删除等命令。边界框覆盖完整菜单面板及其边界，不含阴影和后方任务弹窗。六个正点分布在输入框及各命令行，四个负点位于菜单外侧的背景或后方弹窗内容上。"}},{"name":"Property type selection submenu","description":"Tall submenu to the right of the initial property editor, listing Basic types including “Text”, “Number”, “Select”, “Multi-select”, “Date”, and “Person”, with Advanced types below. “Select” is chosen.","membership":"Includes the submenu surface, boundary, section headings, type icons, and option rows. Excludes the parent editor, adjacent hover tooltip, and underlying dialog.","id":"obj_008","temporal":{"status":"found","start_s":5.5,"end_s":7.0,"reference_s":5.75,"evidence":"目标是父属性编辑器右侧的高条形属性类型子菜单，包含 BASIC、ADVANCED 分区及 Text、Number、Select、Multi-select、Date、Person 等选项。首个完整显示帧为 5.50 秒，最后一个符合条件的帧为 6.75 秒，此时正在选择 Select。前一帧 5.25 秒菜单仍在淡入，后一帧 7.00 秒已开始���出。选择 5.75 秒作为关键帧，因为菜单边界和选项清晰，且没有相邻悬浮提示框干扰。","start_frame":132,"end_frame":168,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[403.1,345.4,523.4,833.3],"positive_points":[[428.6,394.4],[482.8,440.7],[437.5,512.0],[477.6,602.8],[439.1,692.6],[474.5,790.7]],"negative_points":[[329.2,630.6],[570.8,518.5],[332.3,266.7],[812.5,370.4]],"evidence":"目标是属性编辑器右侧的高竖向类型子菜单，含 BASIC、ADVANCED 标题及 Text、Number、Select、Date 等选项。边框紧贴子菜单可见面板，包含底部部分露出的 Rollup 行；正点分布在上中下各选项行和面板表面，负点位于左侧父编辑器、底层对话框及右侧背景，均不包含在目标中。"}},{"name":"Select property configuration menu","description":"Reopened editor for the now-Select property. Its name input changes from “Property” to “Estatus”, and it includes “Configure options” above the property-management commands.","membership":"Includes the complete floating panel, name input, property-type row, and all command rows. Excludes the property row being edited and the surrounding task dialog.","id":"obj_009","temporal":{"status":"found","start_s":8.75,"end_s":10.25,"reference_s":9.75,"evidence":"目标为重新打开的 Select 属性配置浮层，包含名称输入框、Select 类型行、Configure options 及属性管理命令。首个完整呈现帧为 8.75 秒，最后 qualifying 帧为 10.00 秒；此前 8.50 秒仍在淡入，之后 10.25 秒浮层已退出。选择 9.75 秒作为关键帧，此时名称已输入为“Estatus”，面板边界和全部命令清晰可见，无遮挡。","start_frame":210,"end_frame":246,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[259,486.1,403.6,787],"positive_points":[[327,516],[299,587],[325,632],[323,661],[314,721],[337,766]],"negative_points":[[316,468],[441,580],[240,654],[331,823]],"evidence":"目标是任务弹窗内左下方的浮动属性配置菜单，名称输入框显示“Estatus”，类型为“Select”，并有“Configure options”。边界框覆盖完整面板、输入框及全部命令行，不含阴影、上方被编辑的属性行和外围任务弹窗。六个正点分布在输入框、类型行及不同命令行；四个负点位于面板外的属性行和周围背景。"}},{"name":"Estatus option dropdown","description":"Wide floating selection panel opened from the empty Estatus value. Its search field is filled with “Por iniciar”, producing a matching Create option before the value is applied.","membership":"Includes the dropdown surface and boundary, search input, helper text, and emerging “Create Por iniciar” option row. Excludes the Estatus property row behind it and the selected tag after the dropdown closes.","id":"obj_010","temporal":{"status":"found","start_s":11.25,"end_s":14.25,"reference_s":13.75,"evidence":"目标是从 Estatus 空值打开的宽浮动选项面板，包含搜索框、提示文字和随后出现的 Create Por iniciar 选项。首个合格帧为 11.25 秒，面板表面及边界已完整建立；此前 11.00 秒仅显示被点击的空值行。最后合格帧为 14.00 秒；14.25 秒下拉面板已关闭，属性值变为 Por iniciar 标签。选择 13.75 秒作关键帧，因为搜索文字及创建选项均完整清晰，面板无遮挡。","start_frame":270,"end_frame":342,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[381.3,450,708.3,560.2],"positive_points":[[406.3,468.5],[619.8,469.4],[455.7,507.4],[673.4,508.3],[441.7,539.8],[619.8,538.9]],"negative_points":[[317.2,469.4],[391.7,428.7],[335.9,571.3],[729.2,509.3]],"evidence":"目标是 Estatus 右侧展开的浮动选项面板，搜索框显示“Por iniciar”，下方有提示文字和“Create Por iniciar”选项。边界框覆盖面板表面及边界；六个正点分布于搜索框、提示区和创建选项行，四个负点位于面板外的 Estatus 属性、复选框、评论区及右侧背景。"}}]}
+{"video_id":62,"video_type":"desktop and application interfaces","targets":[{"name":"Workspace navigation sidebar","description":"The left-hand Notion navigation panel for “Acme Inc.” It contains teamspaces, highlights “Marketing,” and later reveals “Templates,” “Import,” and “Trash.” Marketing is expanded at the end to show the newly added calendar.","membership":"Include the sidebar surface and all its visible navigation contents. Exclude the main document, top document toolbar, and menus floating over the sidebar.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":21,"reference_s":9.25,"evidence":"目标是左侧“Acme Inc.”工作区导航栏，包含团队空间及高亮的“Marketing”，后续滚动显示“Templates”“Import”“Trash”。首个合格帧为0秒，最后为20.75秒；期间浮动菜单和模板弹窗遮挡部分侧栏，但同一侧栏持续存在，末帧Marketing已展开。区间抵达视频首尾，没有边界外相邻帧。选择9.25秒作为���键帧，侧栏表面和导航内容清晰，且无浮动菜单遮挡。","start_frame":0,"end_frame":504,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[0,0,185.4,1000],"positive_points":[[61,74],[93,237],[62,531],[111,669],[63,876],[148,960]],"negative_points":[[285,23],[408,250],[686,571],[500,940]],"evidence":"目标是左侧“Acme Inc.”工作区导航栏，其中“Marketing”高亮，底部可见 Templates、Import 和 Trash。边界框覆盖整条侧栏的背景及所有可见导航内容。正点分布于侧栏顶部、中部导航和底部区域；负点位于右侧文档工具栏、正文及底部浮动提示，均不属于侧栏。"}},{"name":"Original Blog editorial calendar page link","description":"The document-icon link labeled “Blog editorial calendar” below “Social media Calendar” on Marketing Home. It initially sits above the inline calendar, then becomes the upper of two identically labeled links before both are deleted.","membership":"Include this link’s document icon and label as one page-link object. Exclude the inline database, the later lower link, adjacent links, block handles, and selection shading.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":7.25,"reference_s":0,"evidence":"目标是 Marketing Home 中“Social media Calendar”下方、最初位于内嵌日历上方的“Blog editorial calendar”文档图标及文字；出现两个同名链接后，它是上方那个。首个合格帧为 0 秒，已完整显示，视频起点前无采样帧；最后合格帧为 7.00 秒，链接仍可见。7.25 秒两条同名链接均已删除。选择 0 秒作为关键帧，此时目标清晰、无遮挡，也没有第二条同名链接干扰。","start_frame":0,"end_frame":174,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[320.3,257.4,471.4,286.1],"positive_points":[[326.6,271.3],[341.1,271.3],[376.6,269.4],[400,270.4],[425,272.2],[460.9,271.3]],"negative_points":[[390.6,225.9],[403.6,385.2],[375.5,323.1],[494.8,272.2]],"evidence":"目标是“Social media Calendar”下方、内联日历上方的原始“Blog editorial calendar”页面链接。框覆盖文档图标和完整标签；正点分布在图标及文字笔画上，负点位于上方相邻链接、下方日历标题与视图标签，以及右侧外部空白处。"}},{"name":"Inline Blog editorial calendar database","description":"The initially empty “Blog editorial calendar” database on Marketing Home, displaying “Calendar view” and a May 2023 month grid. It is converted into a page and appears as the lower of the two “Blog editorial calendar” links before deletion.","membership":"Initially include the database title, view bar, database controls, month navigation, and calendar grid. After conversion, include only its resulting document icon and page-link label. Exclude the pre-existing link above it, the floating action menu, and selection effects.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":7.25,"reference_s":5.5,"evidence":"目标在0.00秒已是Marketing Home内的空白“Blog editorial calendar”数据库，含Calendar view、控件和May 2023月历；4.75秒转换为两个同名链接中较下方的文档图标及页面标签，身份连续。最后 qualifying 帧为7.00秒，7.25秒两个链接均已消失，之后出现移至垃圾箱提示。起点是视频首帧，没有更早采样帧。选择5.50秒作关键帧，转换后的目标完整清晰，尚无蓝色选择效果，且容易与上方预先存在的同名链接区分。","start_frame":0,"end_frame":174,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[320.8,666.7,470.8,694.4],"positive_points":[[322.4,679.6],[341.7,678.7],[363.5,683.3],[389.6,677.8],[424.5,683.3],[463.0,679.6]],"negative_points":[[326.6,635.2],[402.1,634.3],[397.4,590.7],[490.6,679.6]],"evidence":"目标是转换成页面后、两个同名链接中下方的“Blog editorial calendar”。边界框仅覆盖该行的文档图标和完整链接文字；六个正点分布在图标及文字笔画上，负点位于上方原有同名链接、社交媒体日历链接和右侧外部空白，排除这些非目标区域。"}},{"name":"Database action menu","description":"The floating menu opened from the inline calendar’s block handle. It contains “Search actions...,” “Delete,” “Duplicate,” “Rename,” “Turn into page,” and other database operations.","membership":"Include the complete menu surface, boundary, search field, action rows, and footer. Exclude the calendar and sidebar behind it.","id":"obj_004","temporal":{"status":"found","start_s":2.0,"end_s":4.75,"reference_s":2.5,"evidence":"目标是从内嵌日历块手柄打开的浮动数据库操作菜单，含“Search actions...”、Delete、Duplicate、Rename、Turn into page及底部说明。首个完整呈现帧为2.00秒，最后合格帧为4.50秒；前一帧1.75秒菜单仍在淡入，后一帧4.75秒菜单已消失，日历转为页面链接。选择2.50秒作为关键帧，菜单边界、搜索框、操作行和页脚清��完整，无遮挡。","start_frame":48,"end_frame":114,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[87.5,13,296.4,718.5],"positive_points":[[186.5,52.8],[142.2,147.2],[215.6,244.4],[147.9,379.6],[216.7,539.8],[180.7,688.9]],"negative_points":[[50.5,380.6],[467.7,554.6],[392.7,383.3],[319.8,728.7]],"evidence":"目标是左上方悬浮的数据库操作菜单，可由“Search actions...”“Delete”“Duplicate”“Rename”等内容确认。边界框覆盖完整菜单表面、搜索框、操作行及底部说明，不含阴影、后方侧栏或日历。六个正点分布于菜单顶部、中部和底部；四个负点位于外部侧栏、日历标题及网格区域。"}},{"name":"Turn into page command","description":"The “Turn into page” row in the database action menu, selected to replace the inline calendar with a page link.","membership":"Include the command row’s icon, label, and interactive row area within the menu. Exclude neighboring command rows and transient hover shading.","id":"obj_005","temporal":{"status":"found","start_s":2.0,"end_s":4.75,"reference_s":3.75,"evidence":"目标是数据库操作菜单中位于“Clear date”下方、“Merge with CSV”上方的“Turn into page”命令行，包含图标、标签及行区域。首个完整清晰帧为2.00秒，最后 qualifying 帧为4.50秒；此前1.75秒菜单仍在淡入，之后4.75秒菜单消失，内嵌日历已变为页面链接。选择3.75秒作为关键帧，该命令行清晰可辨且无遮挡。","start_frame":48,"end_frame":114,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[91.1,399.1,293.2,438.9],"positive_points":[[105.2,418.8],[123.5,419.1],[153.8,419.4],[184.9,419.1],[216.1,421.3],[277.6,419.8]],"negative_points":[[150.0,379.6],[160.4,457.4],[75.0,419.4],[312.5,420.4]],"evidence":"目标是左侧数据库操作菜单中位于“Clear date”和“Merge with CSV”之间的“Turn into page”命令。框覆盖该行的图标、文字和可交互区域，不将临时悬停底色作为独立内容。正点分布在图标、标签及行内区域；负点位于上下相邻命令及菜单外侧。"}},{"name":"Template browser navigation","description":"The left panel of the template browser, initially listing suggested, life, and student templates. Its results narrow to “Blog Post” and “Blog Editorial Calendar” after a search.","membership":"Include the complete template-navigation panel, its surface, search field, filter, category headings, and visible template entries. Exclude the template preview and information card to its right.","id":"obj_006","temporal":{"status":"found","start_s":10.25,"end_s":19.5,"reference_s":10.5,"evidence":"目标是模板浏览器左侧导航面板，包含搜索框、筛选器、分类标题及模板条目，不含右侧预览和信息卡。10.25秒面板首次完整建立，之后搜索使条目缩减为“Blog Post”和“Blog Editorial Calendar”，仍是同一面板；最后符合条件的帧为19.25秒。前一帧10.00秒尚未打开浏览器，后一帧19.50秒已切换为数据库页面，导航面板消失。选择10.50秒为关键帧，面板边界清楚、分类和条目完整且无遮挡。","start_frame":246,"end_frame":468,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[46.9,46.3,263,952.8],"positive_points":[[151,86],[109,137],[142,264],[122,556],[130,810],[225,693]],"negative_points":[[431,184],[563,445],[412,774],[27,458]],"evidence":"目标是模板浏览器左侧导航面板，含搜索框、All templates 筛选器，以及 Suggested、Life、Student 分类和可见模板条目。边界框覆盖该面板完整可见区域；正点分布于搜索、筛选、模板条目和面板表面，负点位于右侧模板预览、底部信息卡及左侧外部背景。"}},{"name":"Template search field","description":"The search input at the top of the template browser’s left panel. Its placeholder “Search templates” is replaced by the query “blog.”","membership":"Include the input surface, boundary, search icon, entered text or placeholder, and clear control. Exclude the “All templates” filter below it and the transient focus glow.","id":"obj_007","temporal":{"status":"found","start_s":10.25,"end_s":19.5,"reference_s":13.75,"evidence":"目标是模板浏览器左栏顶部的搜索输入框，包含搜索图标、输入框边界及“Search templates”占位文字，随后文字变为“blog”并出现清除控件。10.25秒首次完整显示，19.25秒为最后一个符合条件的帧；前邻帧10.00秒尚未打开模板浏览器，后邻帧19.50秒已切换至日历页面，搜索框消失。选择13.75秒作为关键帧，此时输入框清晰、无遮挡，查询文字和清除控件均可辨认。","start_frame":246,"end_frame":468,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[56.25,62.96,254.17,109.26],"positive_points":[[69.27,85.19],[94.79,87.04],[240.63,86.11],[156.25,78.7],[197.92,95.37],[61.46,96.3]],"negative_points":[[106.25,136.11],[114.58,181.48],[273.44,86.11],[156.25,49.07]],"evidence":"目标是左侧模板面板顶部显示“blog”的搜索输入框。边界框紧贴输入框表面及边框，包含搜索图标、查询文字和清除按钮，不含下方“All templates”筛选器。正点分布在图标、文字、清除按钮及输入框表面；负点位于筛选器、下方模板项及输入框外部背景。"}},{"name":"Projects & tasks preview","description":"The initially selected template preview on the right, headed “Projects & tasks,” with “Tasks” and “Projects” tabs and a table containing sample work such as “Onboarding flow redesign,” “Discovery and submissions,” and “App architecture.”","membership":"Include the preview heading and icon, tabs, table headers, rows, status tags, dates, and visible assignment information. Exclude the left navigation and the separate template-information card below.","id":"obj_008","temporal":{"status":"found","start_s":10.25,"end_s":13.5,"reference_s":10.5,"evidence":"目标是模板选择窗口右侧的“Projects & tasks”预览，含标题图标、Tasks/Projects 标签及示例任务表格，不含左侧导航和下方信息卡。首个合格帧为10.25秒，最后为13.25秒；此前10.00秒尚未打开模板窗口，之后13.50秒已替换为“Blog Editorial Calendar”预览。选择10.50秒作关键帧，标题、表头和各任务行清晰可见且无遮挡。","start_frame":246,"end_frame":324,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[313.5,165.7,953.1,562],"positive_points":[[435,185],[347,256],[405,354],[532,447],[669,493],[936,539]],"negative_points":[[131,264],[395,768],[834,773],[650,109]],"evidence":"根据右侧“Projects & tasks”标题、Tasks/Projects 标签及示例任务表格确定目标。边界框覆盖标题与图标、标签、表头及全部可见行，包括状态、日期和右侧分配信息。正点分布在标题、标签、任务名称、状态、日期及人员信息上；负点位于左侧导航、下方独立模板信息卡及上方空白区域。"}},{"name":"Projects & tasks information card","description":"The bordered card beneath the initial preview, labeled “Projects & tasks.” It describes organizing tasks by project and includes a blue “Get template” button and a “Made by Notion” attribution.","membership":"Include the card surface, boundary, title, icon, description, attribution, and button. Exclude the preview above it and the browser navigation.","id":"obj_009","temporal":{"status":"found","start_s":10.25,"end_s":13.5,"reference_s":11.0,"evidence":"目标是初始预览下方带边框的“Projects & tasks”信息卡，包含图标、项目任务管理说明、蓝色“Get template”按钮及“Made by Notion”署名。首个完整帧为10.25秒，最后符合帧为13.25秒；此前10.00秒尚未打开模板窗口，此后13.50秒已替换为“Blog Editorial Calendar”信息卡。选择11.00秒作为关键帧，因为整张卡清晰完整且无遮挡。","start_frame":246,"end_frame":324,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[275.5,715.7,940.6,930.6],"positive_points":[[307,766],[394,768],[494,831],[832,770],[778,864],[578,901]],"negative_points":[[665,539],[616,666],[154,796],[612,944]],"evidence":"目标是预览下方标有“Projects & tasks”的圆角边框信息卡。边界框覆盖整张卡片，包括表面、边框、图标、标题、说明、蓝色“Get template”按钮及“Made by Notion”署名。正点分布在这些内容及卡片表面；负点位于上方预览、卡片上方空白、左侧模板列表和卡片下方外部区域。"}},{"name":"Blog Editorial Calendar template preview","description":"The replacement preview headed “Blog Editorial Calendar,” with instructions about planning marketing content and opening pages. Its database has “All items,” “Calendar view,” “By content type,” “By status,” and “By writer” tabs and sample content rows.","membership":"Include this preview’s heading, icon, instructional text, database tabs, table headers, and visible rows. Exclude the information card beneath it, the template navigation, and the teamspace menu later overlaid on the right.","id":"obj_010","temporal":{"status":"found","start_s":13.5,"end_s":19.5,"reference_s":14.0,"evidence":"目标是模板窗口内标题为“Blog Editorial Calendar”的预览，包含报纸图标、营销内容说明、五个数据库视图标签及示例表格，不包括下方信息卡。首个合格帧为13.50秒，前一帧13.25秒仍显示“Projects & tasks”预览；最后合格帧为19.25秒，19.50秒已切换到实际日历数据库页面。后期右侧团队空间菜单只是局部遮挡，预览持续存在。选择14.00秒作为关键帧，预览清晰且未被菜单遮挡。","start_frame":324,"end_frame":468,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[313.5,160,953.1,649],"positive_points":[[330,185],[485,184],[436,294],[555,387],[406,487],[842,564]],"negative_points":[[144,220],[483,765],[832,770],[249,491]],"evidence":"目标是右侧以“Blog Editorial Calendar”为标题的模板预览。边界框紧贴标题及图标、说明文字、数据库标签、表头和底部可见示例行，右侧止于预览裁切边缘。正点分布于图标、标题、说明、标签及表格内容；负点位于左侧模板导航、下方信息卡及其按钮和预览外背景。"}},{"name":"Blog Editorial Calendar information card","description":"The bordered card below the calendar template preview. It explains tracking each project’s status, audience, author, reviewer, and publish date, and shows “Made by Notion.”","membership":"Include the card surface and boundary, calendar icon, title, description, attribution, and its “Get template” button. Exclude the preview and the floating destination menu.","id":"obj_011","temporal":{"status":"found","start_s":13.5,"end_s":19.5,"reference_s":14.0,"evidence":"目标是模板预览下方的带边框信息卡，包含日历图标、“Blog Editorial Calendar”标题、项目状态等说明、“Made by Notion”和“Get template”按钮。首个符合帧为13.50秒，最后为19.25秒；前一帧13.25秒仍是“Projects & tasks”信息卡，后一帧19.50秒已切换到日历数据库页面，信息卡消失。选择14.00秒作为关键帧，卡片完整清晰，且尚无浮动目标菜单遮挡。","start_frame":324,"end_frame":468,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[276,713.9,940.6,930.6],"positive_points":[[303,764],[451,765],[483,829],[662,857],[835,770],[778,861]],"negative_points":[[498,570],[157,220],[648,682],[609,945]],"evidence":"目标是日历预览下方带边框的信息卡，标题为“Blog Editorial Calendar”，含项目跟踪说明、“Made by Notion”和蓝色“Get template”按钮。边框框住整张卡片的表面及全部内容；正点分布在图标、标题、说明、按钮和署名处，负点位于上方预览、左侧列表及卡片外背景。"}},{"name":"Calendar Get template button","description":"The blue “Get template” button in the Blog Editorial Calendar information card. Activating it opens a menu for choosing the template’s destination.","membership":"Include the button’s rounded rectangular surface, boundary, and label. Exclude the surrounding information card and the menu above it.","id":"obj_012","temporal":{"status":"found","start_s":13.5,"end_s":19.5,"reference_s":14.0,"evidence":"目标是 Blog Editorial Calendar 信息卡右侧的蓝色圆角“Get template”按钮，包含按钮表面、边界和文字，不包含上方目的地菜单。首个符合帧为13.50秒，最后为19.25秒；此前13.25秒显示的是 Projects & tasks 模板的按钮，之后19.50秒模板窗口已消失，切换到日历数据库页面。选择14.00秒作为关键帧，此时按钮清晰完整，且没有菜单遮挡。","start_frame":324,"end_frame":468,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[747.9,742.6,920.8,796.3],"positive_points":[[760,755],[778,783],[804,769],[843,770],[888,756],[910,783]],"negative_points":[[830,712],[936,772],[831,822],[717,772]],"evidence":"目标是底部 Blog Editorial Calendar 信息卡右侧的蓝色“Get template”按钮。边界框紧贴按钮圆角矩形，包含蓝色表面、边界和文字。六个正点分布在按钮表面及标签区域，四个负点位于按钮四周的信息卡背景，不包含按钮内容。"}},{"name":"Add to a teamspace menu","description":"The floating destination menu above the calendar’s “Get template” button. It lists teamspaces with member counts, including “Marketing” with “4 members,” and offers “Add to Private.”","membership":"Include the complete menu surface, boundary, heading, teamspace rows, member counts, icons, and private-destination row. Exclude the preview and information card behind it.","id":"obj_013","temporal":{"status":"found","start_s":15.25,"end_s":19.5,"reference_s":17.75,"evidence":"目标是“Get template”按钮上方的“Add to a teamspace”浮动菜单，包含团队空间及成员数、“Marketing / 4 members”和“Add to Private”。首个完整清晰帧为15.25秒，最后 qualifying 帧为19.25秒；此前15.00秒菜单仍在淡入，之后19.50秒菜单消失并切换到日历页面。选择17.75秒作为关键帧，菜单边界和各行内容完整清晰，Marketing行高亮便于辨识。","start_frame":366,"end_frame":468,"reference_frame":426},"grounding":{"status":"found","bbox_xyxy":[733.3,55.6,935.4,738],"positive_points":[[792,84],[789,148],[803,315],[899,509],[789,639],[810,710]],"negative_points":[[835,769],[651,492],[611,238],[658,831]],"evidence":"目标是位于“Get template”按钮上方、标题为“Add to a teamspace”的浮动菜单。边界框覆盖完整菜单表面、团队及人数列表、Marketing 添加控件和底部“Add to Private”行。正点分布于菜单标题、各行和底部私有目的地；负点位于菜单外的模板按钮、日历预览与信息卡。"}},{"name":"Marketing destination row","description":"The “Marketing” row with “4 members” in the destination menu. A “+ Add” control appears on its right as this destination is chosen.","membership":"Include the Marketing row’s interactive area, teamspace icon, name, member count, and visible “+ Add” control. Exclude adjacent destination rows and temporary hover effects.","id":"obj_014","temporal":{"status":"found","start_s":15.25,"end_s":19.5,"reference_s":17.75,"evidence":"目标是“Add to a teamspace”菜单中带团队空间图标、名称“Marketing”和“4 members”的目的地行，悬停时右侧显示“+ Add”。首个合格帧为15.25秒，末个为19.25秒；此前15.00秒菜单仍在淡入，此后19.50秒菜单消失并进入日历页面。选择17.75秒作为关键帧，因为该行及右侧“+ Add”完整清晰，且无遮挡。","start_frame":366,"end_frame":468,"reference_frame":426},"grounding":{"status":"found","bbox_xyxy":[737,482,932,546],"positive_points":[[752,503],[796,502],[793,528],[851,506],[890,514],[908,514]],"negative_points":[[788,441],[790,565],[789,629],[693,516]],"evidence":"目标是右侧目的地菜单中显示“Marketing”和“4 members”的行，右端有“+ Add”。边框覆盖该行交互区域、团队图标、名称、人数及添加控件，不扩展到相邻行或悬停装饰。正点分布于行内图标、文字、表面和添加控件；负点位于 Legal、Finance、Data 行及左侧表格。"}},{"name":"Added Blog Editorial Calendar database","description":"The populated calendar opened after the template is added to Marketing. It has the title “Blog Editorial Calendar,” database-view tabs, and rows for “Newsletter (August ’22),” “Feature launch,” “Back to school campaign,” “Blog post #10,” and “Podcast #5,” with status, content type, audience, and writer columns.","membership":"Include the database title and icon, view tabs, database toolbar, table surface, headers, rows, new-row control, and calculation footer. Exclude the workspace sidebar, top breadcrumb and page-sharing toolbar, and surrounding blank application space.","id":"obj_015","temporal":{"status":"found","start_s":19.5,"end_s":21.0,"reference_s":20.75,"evidence":"19.50秒首次出现添加到Marketing后打开的完整数据库，含标题与图标、视图标签、工具栏、五条指定记录及状态、内容类型、受众、作者列、新建行和计算页脚；19.25秒仍是模板预览及添加到团队空间菜单。最后一个合格帧为20.75秒，目标持续至视频结束，无后续采样帧。选择20.75秒作为关键帧，数据库清晰无遮挡，侧栏也显示其已添加到Marketing，可与模板预览区分。","start_frame":468,"end_frame":504,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[260.4,100,1000,725],"positive_points":[[410,123],[390,195],[896,194],[368,295],[919,596],[458,714]],"negative_points":[[98,689],[414,23],[218,441],[686,825]],"evidence":"根据标题“Blog Editorial Calendar”、视图标签及五条已填充记录确定目标。边界框覆盖标题图标、数据库视图与工具栏、表头和全部可见表格、New 新行控件及 Calculate 页脚。正点分布于标题、视图、新建按钮、上下记录及计算页脚；负点位于左侧工作区栏、顶部面包屑和数据库外的空白区域。"}}]}
+{"video_id":63,"video_type":"desktop and application interfaces","targets":[{"name":"Active portfolios list","description":"The initial bordered list contains Commercial Growth, Portfolio A, Portfolio test, and Studio OpenProject, with status badges, descriptions, program and project counts, and summary bars.","membership":"Include the complete list surface, outer boundary, row dividers, and all four portfolio rows. Exclude the page heading, search and filter controls, sidebar, and Portfolio creation button.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0.5,"evidence":"目标为初始页面中包含 Commercial Growth、Portfolio A、Portfolio test 和 Studio OpenProject 四行的完整带边框列表，含状态徽章、描述、数量及汇总条。首个合格帧为 0.00 秒，最后为 0.75 秒；视频起点前无采样帧，紧邻的 1.00 秒帧已变为空白加载页面，列表消失。选择 0.50 秒作为关键帧，列表边界、分隔线和全部四行清晰完整，无明显遮挡。","start_frame":0,"end_frame":24,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[162.5,230.6,993.2,768.5],"positive_points":[[357,295],[900,261],[244,412],[252,540],[323,701],[893,667]],"negative_points":[[211,119],[250,183],[75,255],[964,183]],"evidence":"目标是包含 Commercial Growth、Portfolio A、Portfolio test 和 Studio OpenProject 的四行组合列表。边界框覆盖完整列表表面、外框、行分隔线及各行内容。六个正点分布在四行的描述、状态徽章和汇总条上；负点位于列表外的页面标题、搜索框、侧栏和 Portfolio 创建按钮。"}},{"name":"Commercial Growth portfolio row","description":"The first portfolio in the active list, opened in the demonstration. It has an Off track badge and a description about sustainable revenue growth.","membership":"Include the entire first row, including its title, status badge, description, summary bar, favorite icon, counts, and update information. Exclude the other portfolio rows and surrounding page controls.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0.5,"evidence":"目标是 Active portfolios 列表首行 Commercial Growth，包含 Off track 徽章、可持续收入增长描述、右侧汇总条、收藏图标、项目计数及更新时间。首个合格帧为 0.00 秒，最后为 0.75 秒，整行均完整显示；1.00 秒画面变为空白加载页，该行消失。区间始于视频开头，无更早采样帧。选择 0.50 秒作为关键帧，整行清晰且无遮挡。","start_frame":0,"end_frame":24,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[163,231,993,382],"positive_points":[[210,261],[282,262],[465,295],[238,350],[870,261],[768,332]],"negative_points":[[254,183],[246,413],[256,540],[258,668]],"evidence":"目标是活动列表第一行“Commercial Growth”，带有红色“Off track”徽标和可持续收入增长描述。边界框覆盖完整首行，包括右侧汇总条、收藏图标、项目计数及更新时间。正点分布在标题、徽标、描述、计数、汇总条和行内表面；负点位于上方搜索控件及下方其他三个投资组合行。"}},{"name":"Commercial Growth overview title","description":"The main Commercial Growth heading above the Overview and Dashboard tabs on the portfolio home page.","membership":"Include only the heading text. Exclude the tabs, sidebar project selector, and adjacent controls.","id":"obj_003","temporal":{"status":"found","start_s":1.25,"end_s":2.25,"reference_s":1.5,"evidence":"目标是组合首页中位于 Overview 和 Dashboard 标签上方的主标题“Commercial Growth”，不含侧栏同名选择器。首个合格帧为 1.25 秒，最后为 2.00 秒；前一帧 1.00 秒是空白加载页，后一帧 2.25 秒已切换至 Boards 页面，原标题消失。选择 1.50 秒作为关键帧，标题完整清晰且无遮挡。","start_frame":30,"end_frame":54,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[163.02,73.15,265.63,89.81],"positive_points":[[164.06,81.48],[179.17,78.7],[198.96,81.48],[224.48,81.48],[231.77,75.93],[262.5,80.56]],"negative_points":[[52.08,81.48],[197.92,124.07],[270.83,123.15],[291.67,81.48]],"evidence":"目标是主内容区位于 Overview 和 Dashboard 标签上方的“Commercial Growth”标题。边界框仅覆盖该标题文字，六个正点分布在两个单词的字形笔画上；负点位于侧栏同名项目选择器、下方两个标签及标题右侧空白处。"}},{"name":"Portfolio description panel","description":"The upper-left overview panel headed Description, explaining Commercial Growth's focus on sales strategy, execution, performance, and long-term commercial impact.","membership":"Include the panel surface, border, heading, and complete description text. Exclude the neighboring Status panel and panels below.","id":"obj_004","temporal":{"status":"found","start_s":1.25,"end_s":2.25,"reference_s":1.5,"evidence":"目标是 Commercial Growth 概览页左上方的 Description 面板，包含完整边框、标题及关于销售战略、执行、绩效和长期商业影响的描述，右侧为 Status 面板。首个合格帧为 1.25 秒，最后为 2.00 秒；前一帧 1.00 秒是加载中的空白页，后一帧 2.25 秒已切换到 Boards 页面，目标消失。选择 1.50 秒作为关键帧，面板完整清晰且无遮挡。","start_frame":30,"end_frame":54,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[162.5,167.6,572.9,343.5],"positive_points":[[195.3,196.3],[257.3,243.5],[446.9,267.6],[325,288.9],[547.9,206.5],[188.5,329.6]],"negative_points":[[729.2,268.5],[364.6,425.9],[220.3,81.5],[78.1,257.4]],"evidence":"目标是概览区域左上方标题为“Description”的面板。边界框覆盖面板外边框、背景、标题及完整描述文字；正点分布在标题、描述文字和面板表面。负点位于右侧 Status 面板、下方 Subitems 面板、上方页面标题及左侧导航栏，均不属于目标。"}},{"name":"Portfolio status panel","description":"The upper-right overview panel headed Status, displaying a red Off track selector and a dash below it.","membership":"Include the complete bordered panel and its heading, status selector, help icon, and displayed value. Exclude neighboring overview panels.","id":"obj_005","temporal":{"status":"found","start_s":1.25,"end_s":2.25,"reference_s":1.5,"evidence":"目标是 Commercial Growth 概览右上方的完整边框 Status 面板，含红色 Off track 选择器、帮助图标及下方短横线。首个合格帧为1.25秒，最后一个为2.00秒；前一帧1.00秒为加载空白页，后一帧2.25秒已切换到 Boards 页面，面板消失。选择1.50秒作为关键帧，面板清晰完整且无遮挡，与邻近面板易于区分。","start_frame":30,"end_frame":54,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[583.9,167.6,993.8,343.5],"positive_points":[[606.3,196.3],[626.6,240.7],[668.8,241.7],[595.3,291.7],[786.5,214.8],[945.3,307.4]],"negative_points":[[520.8,259.3],[781.3,412.0],[781.3,125.0],[729.2,555.6]],"evidence":"目标是右上方标题为 Status、含红色 Off track 选择器及下方短横线的面板。边框框选完整面板；正点覆盖标题、选择器、帮助图标、短横线和面板表面，负点位于左侧描述面板、下方其他面板及上方外部背景。"}},{"name":"Portfolio subitems panel","description":"The wide Subitems panel beneath the description and status panels, showing Program Go-to-Market Sales.","membership":"Include the panel boundary, surface, heading, program entry, and add control. Exclude the Members panel beneath it.","id":"obj_006","temporal":{"status":"found","start_s":1.25,"end_s":2.25,"reference_s":1.5,"evidence":"目标是描述和状态面板下方的宽幅 Subitems 面板，包含边界、标题、Program Go-to-Market Sales 条目及右侧加号，不包括下方 Members 面板。首个合格帧为 1.25 秒，最后一个为 2.00 秒；此前 1.00 秒为加载空白页，此后 2.25 秒已切换至 Boards 页面，目标消失。选择 1.50 秒作为关键帧，面板完整清晰且无遮挡。","start_frame":30,"end_frame":54,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[162.5,362.0,993.8,480.6],"positive_points":[[192.7,394.4],[250.0,452.8],[975.0,394.4],[460.0,420.0],[665.0,445.0],[865.0,423.0]],"negative_points":[[390.0,310.0],[780.0,285.0],[520.0,555.0],[560.0,760.0]],"evidence":"目标是描述和状态面板下方、Members 面板上方的宽幅 Subitems 面板，内含 Program Go-to-Market Sales。边界框覆盖面板边框、表面、标题、项目条目及右侧加号。正点分布在这些内容和面板表面；负点位于上方描述与状态面板、下方 Members 面板及更下方页面背景。"}},{"name":"Portfolio members panel","description":"The lower overview panel headed Members, listing Diane Tate, Alekys Bugaj, and Morgan Hale, with a View all members link.","membership":"Include the complete panel, member names and avatars, labels, and link. Exclude the sidebar Members navigation item.","id":"obj_007","temporal":{"status":"found","start_s":1.25,"end_s":2.25,"reference_s":1.5,"evidence":"目标是概览页下方标题为 Members 的完整面板，包含 Diane Tate、Alekys Bugaj、Morgan Hale 的姓名和头像，以及 View all members 链接，不包括侧栏导航。首个合格帧为 1.25 秒，最后一个为 2.00 秒；此前 1.00 秒是空白加载页面，此后 2.25 秒已切换至 Boards 页面，面板消失。选择 1.50 秒作为关键帧，面板边界完整、内容清晰且无遮挡。","start_frame":30,"end_frame":54,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[162.5,499.1,993.8,685.2],"positive_points":[[192,529],[232,596],[332,596],[203,657],[594,552],[875,646]],"negative_points":[[52,483],[439,437],[594,744],[386,268]],"evidence":"目标是页面下方标题为 Members 的完整成员面板，包含 Diane Tate、Alekys Bugaj、Morgan Hale 的姓名与头像、Member 标签及 View all members 链接。边界框覆盖面板外边缘；正点分布于标题、成员信息、链接及面板表面，负点位于侧栏 Members 导航、上方其他面板和下方外部空白。"}},{"name":"Boards navigation item","description":"The Boards entry in the portfolio home sidebar, used to open the portfolio's boards area.","membership":"Include the single navigation row with its board icon, Boards text, arrow, and row backing. Exclude adjacent Gantt charts and Meetings entries.","id":"obj_008","temporal":{"status":"found","start_s":1.25,"end_s":2.25,"reference_s":2.0,"evidence":"目标是组合首页左侧栏中位于 Gantt charts 与 Meetings 之间的 Boards 单行，含看板图标、文字、右箭头和行背景。首次完整出现于1.25秒，最后符合帧为2.00秒；前一帧1.00秒是空白加载页，后一帧2.25秒已进入 Boards 页面，原导航行消失。选择2.00秒为关键帧，目标行高亮且结构清晰。","start_frame":30,"end_frame":54,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[4.17,239.81,146.88,275],"positive_points":[[15.63,256.48],[40.63,256.48],[136.98,257.41],[66.15,247.22],[86.46,261.11],[120.31,248.15]],"negative_points":[[48.44,219.44],[47.4,294.44],[54.17,181.48],[160.42,257.41]],"evidence":"目标是左侧边栏中标有“Boards”的导航行，位于 Gantt charts 下方、Meetings 上方。框紧贴该行浅灰色底板，包含看板图标、文字和右箭头；正点分布于这些内容及行底板，负点位于相邻导航项和右侧外部背景。"}},{"name":"Empty boards notice","description":"A wide gray information strip on the Boards page stating There is currently nothing to display.","membership":"Include the strip's surface and boundary, information icon, and message. Exclude the Boards heading and creation controls.","id":"obj_009","temporal":{"status":"found","start_s":2.25,"end_s":3.75,"reference_s":2.75,"evidence":"目标是 Boards 页面中带信息图标及“There is currently nothing to display.”文字的宽灰色提示条。首个完整呈现帧为2.25秒，最后 qualifying 帧为3.50秒；此前2.00秒仍为项目概览页，此后3.75秒已切换至创建看板表单，提示条消失。选择2.75秒作为关键帧，提示条完整清晰且无遮挡。","start_frame":54,"end_frame":90,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[162.5,212.0,993.8,265.7],"positive_points":[[174.3,239.2],[256.8,240.1],[406.2,227.8],[582.8,251.2],[770.4,233.7],[971.9,248.3]],"negative_points":[[180.8,118.8],[969.1,181.5],[513.0,299.1],[75.1,957.7]],"evidence":"目标是 Boards 页面中带信息图标和“There is currently nothing to display.”文字的横向灰色提示条。边界框紧贴整条提示区域，包含表面、边界、图标和文字；正点分布于图标、消息及横向条面，负点位于 Boards 标题、两个创建按钮及条外下方空白。"}},{"name":"Upper Board creation button","description":"The green + Board button at the upper right of the empty Boards page, used to open the new-board form.","membership":"Include the complete button surface, border, plus icon, and Board label. Exclude the separate matching button at the bottom of the sidebar.","id":"obj_010","temporal":{"status":"found","start_s":2.25,"end_s":3.75,"reference_s":3.0,"evidence":"目标是空白 Boards 页面右上角的绿色“+ Board”按钮，包含完整按钮表面、边框、加号和文字，不包括侧栏底部同名按钮。首个合格帧为2.25秒，最后合格帧为3.50秒；前一帧2.00秒仍是组合首页，后一帧3.75秒已切换为新建看板表单，目标消失。选择3.00秒作为关键帧，按钮完整清晰，且无鼠标遮挡。","start_frame":54,"end_frame":90,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[944.27,165.74,993.23,197.22],"positive_points":[[948.44,174.07],[955.21,180.56],[965.1,181.48],[976.04,182.41],[987.5,173.15],[981.25,189.81]],"negative_points":[[918.75,181.48],[970.83,148.15],[970.83,223.15],[75.52,959.26]],"evidence":"目标是空白 Boards 页面右上角的绿色“+ Board”按钮。边界框紧贴完整按钮，包含绿色表面、边框、加号和文字。六个正点分布在按钮表面及图文上；负点位于按钮外的页面背景、下方提示栏，以及侧栏底部需排除的同名按钮上。"}},{"name":"Create new board form","description":"The form beneath Create new board provides a Title field and six illustrated board types: Basic, Kanban, Assignee, Version, Subproject, and Parent-child. Kanban is selected in the sampled form.","membership":"Include the form labels, title input, all six board-type option cards and their contents, and Create and Cancel buttons. Exclude the page heading, breadcrumb, sidebar, and application header.","id":"obj_011","temporal":{"status":"found","start_s":3.75,"end_s":5.25,"reference_s":4.0,"evidence":"目标为“Create new board”标题下的完整表单，包含 Title 输入框、六个带插图的类型选项卡及 Create、Cancel 按钮，Kanban 已选中。首个合格帧为 3.75 秒，最后合格帧为 5.00 秒；此前 3.50 秒仍为 Boards 空列表页，此后 5.25 秒已切换到新建成功的看板页，表单消失。选择 4.00 秒作为关键帧，表单完整清晰、无遮挡，便于区分页标题和侧栏等排除部分。","start_frame":90,"end_frame":126,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[162.5,180.6,868.2,869.4],"positive_points":[[402,329],[690,328],[410,527],[704,526],[412,739],[705,738]],"negative_points":[[211,119],[304,81],[71,182],[494,24]],"evidence":"根据标题输入框及 Basic、Kanban、Assignee、Version、Subproject、Parent-child 六种选项识别表单，Kanban 单选按钮已选中。边界覆盖表单标签、输入框、六张完整卡片及 Create、Cancel 按钮；正点分布在六张卡片内，负点位于排除的页面标题、面包屑、侧栏和应用顶栏。"}},{"name":"Commercial Growth Board title","description":"The main heading of the newly created board. It later appears italicized with a save icon when the Risk filter changes the board.","membership":"Include the title text throughout its style and scale changes. Exclude the save icon, notification overlay, breadcrumb, filter control, and board columns.","id":"obj_012","temporal":{"status":"found","start_s":5.5,"end_s":22.0,"reference_s":12.0,"evidence":"目标是主内容区的“Commercial Growth Board”标题，不包括左侧同名条目、面包屑或保存图标。5.50秒首次出现完整标题结构，虽有通知局部遮挡；前一帧5.25秒主标题尚未显示。此后标题持续存在，包括缩放及变为斜体，最后合格帧为21.75秒。区间延续至视频结束22.00秒，无后续帧。选择12.00秒作为关键帧，标题清晰完整、无遮挡，易于单独标注。","start_frame":132,"end_frame":528,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[164.6,109.3,324.5,129.6],"positive_points":[[166.7,115.7],[183.3,121.3],[212.0,117.6],[242.7,115.7],[269.8,117.6],[299.0,119.4]],"negative_points":[[228.1,81.5],[66.1,267.6],[178.1,171.3],[338.5,120.4]],"evidence":"目标是主内容区顶部的“Commercial Growth Board”标题。边界框紧贴整行标题文字，正点分布在标题各部分的字形上；负点位于上方 breadcrumb、左侧同名导航项、下方列标题及右侧空白处，均不包含在目标内。"}},{"name":"Commercial Growth kanban board","description":"The main work-package board begins with a New status column and expands to In specification, In progress, Rejected, and Closed. Cards initially include tasks, epics, goals, and risks from Trial-to-Paid Conversion and Enterprise Accounts; filtering later leaves risk cards.","membership":"Include the board's column surfaces, colored status rules, column headings, menus, add-card controls, all visible work-package cards and their contents, and the Add list to board control when visible. Follow the board as columns are added and cards are filtered or repositioned. Exclude the page title, sidebar, filter panel, modal dialogs, and added green emphasis outline.","id":"obj_013","temporal":{"status":"found","start_s":5.5,"end_s":22.0,"reference_s":12.0,"evidence":"目标是主内容区的看板，以 New 列开始，随后增加 In specification、In progress、Rejected 和 Closed 列，筛选后保留风险卡片。5.25 秒仍为空白加载区，5.5 秒首次完整建立列结构与卡片；后续弹窗遮挡、缩放及筛选不改变看板身份。最后符合帧为 21.75 秒，看板仍在，视频终点之后无采样帧。选择 12.0 秒作为关键帧，五列布局清晰，无弹窗或筛选面板遮挡，便于排除标题、侧栏和绿色强调框。","start_frame":132,"end_frame":528,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[164.6,150.9,986.5,1000],"positive_points":[[237,291],[407,402],[576,608],[734,393],[910,412],[229,920]],"negative_points":[[245,119],[73,268],[915,117],[500,23]],"evidence":"通过 New、In specification、In progress、Rejected 和 Closed 五个状态列识别主看板。边界涵盖彩色状态线、列标题、菜单、添加卡片按钮、列背景及底部截断的可见卡片。正点分布在五列卡片和下方卡片区域；负点位于看板外的页面标题、左侧栏、筛选按钮及顶部导航栏。"}},{"name":"Add In specification list dialog","description":"The first centered Add list to board dialog overlays the board while it has only the New column. Its status search is used to select In specification.","membership":"Include the modal surface, border, heading, status-field label, input, attached dropdown options while open, and Cancel and Add buttons. Exclude the dimmed board and screen-wide dimming layer.","id":"obj_014","temporal":{"status":"found","start_s":6.25,"end_s":7.5,"reference_s":7.0,"evidence":"目标是仅有 New 列时首次出现的居中“Add list to board”弹窗，状态字段随后选为“In specification”。6.25 秒弹窗表面、标题和展开的下拉列表已完整出现；7.25 秒仍完整可见，最后一次显示已选状态及 Cancel、Add 按钮。前一帧 6.0 秒只有看板和添加列表入口；后一帧 7.5 秒弹窗消失，看板新增 In specification 列。选择 7.0 秒作为关键帧，弹窗边界清晰，所选状态和两个按钮均无遮挡。","start_frame":150,"end_frame":180,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[320.8,394.4,679.2,602.8],"positive_points":[[371.9,425.9],[417.2,482.4],[490.6,507.4],[359.4,565.7],[619.8,569.4],[657.8,569.4]],"negative_points":[[250,490.7],[729.2,490.7],[505.2,333.3],[510.4,657.4]],"evidence":"图中居中的“Add list to board”弹窗，其状态输入框显示“In specification”，后方看板仅有 New 列。边界框紧贴完整白色弹窗，涵盖标题、标签、输入框及 Cancel 和 Add 按钮；当前未展开下拉选项。正点分布在弹窗文字、输入框、面板表面和按钮上，负点位于弹窗四周的变暗看板背景。"}},{"name":"Add In progress list dialog","description":"A subsequent Add list to board dialog appears over the board with New and In specification columns, with In progress selected.","membership":"Include the entire modal, heading, labeled status selector, and Cancel and Add buttons. Exclude the dimmed board and dimming layer.","id":"obj_015","temporal":{"status":"found","start_s":8.25,"end_s":9.0,"reference_s":8.5,"evidence":"目标是在已有 New 和 In specification 两列的看板上出现的第二次“Add list to board”弹窗。8.25 秒弹窗结构已完整建立，状态下拉菜单展开；8.50 秒显示已选 In progress，以及 Cancel、Add 按钮。最后符合帧为 8.75 秒；前一帧 8.00 秒尚无弹窗，后一帧 9.00 秒弹窗消失并新增 In progress 列。选择 8.50 秒作为关键帧，整个弹窗清晰且无遮挡。","start_frame":198,"end_frame":216,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[320.8,394.4,679.2,603.7],"positive_points":[[383.3,425],[433.9,481.5],[541.7,506.5],[619.8,571.3],[657.8,569.4],[385.4,552.8]],"negative_points":[[296.9,500.9],[697.9,506.5],[495.3,369.4],[579.2,643.5]],"evidence":"图中中央白色弹窗标题为“Add list to board”，状态选择器显示“In progress”，符合目标。边界框覆盖完整弹窗，包括标题、状态标签与选择器、Cancel和Add按钮及面板表面。正点分布于这些内容和面板内部；负点位于弹窗四周的暗化看板区域，不包含遮罩层。"}},{"name":"Add Rejected list dialog","description":"The Add list to board dialog returns over the three-column board. Its status menu is opened and Rejected is selected.","membership":"Include the modal boundary and surface, heading, field label, selector, attached options menu while open, and action buttons. Exclude the underlying board and dimming layer.","id":"obj_016","temporal":{"status":"found","start_s":9.75,"end_s":10.75,"reference_s":10.25,"evidence":"目标是覆盖三列表格的“Add list to board”弹窗，包含标题、状态选择器、展开时的选项菜单及操作按钮。9.75秒首次完整出现，随后搜索并选择“Rejected”；10.50秒为最后 qualifying 帧。前一帧9.50秒仅显示三列看板，后一帧10.75秒弹窗消失并新增Rejected列。选择10.25秒为关键帧，此时Rejected已选中，弹窗边界与Cancel、Add按钮清晰完整。","start_frame":234,"end_frame":258,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[320.8,394.4,679.2,602.8],"positive_points":[[375,425],[391,481],[355,508],[535,539],[619,571],[657,571]],"negative_points":[[277,402],[496,357],[710,491],[554,652]],"evidence":"根据标题“Add list to board”和选择器中的“Rejected”识别目标。边界框紧贴白色圆角模态框，包含标题、字段标签、选择器、表面及 Cancel/Add 按钮；当前未见展开的选项菜单。正点分布于这些内部区域，负点位于框外的底层看板及灰色遮罩区域。"}},{"name":"Add Closed list dialog","description":"The next Add list to board dialog overlays the board after Rejected has been added. The selection changes to Closed before the dialog disappears.","membership":"Include the complete modal and its heading, labeled selector, attached dropdown while open, and Cancel and Add buttons. Exclude the dimmed board and surrounding overlay.","id":"obj_017","temporal":{"status":"found","start_s":11.0,"end_s":11.75,"reference_s":11.5,"evidence":"目标是添加 Rejected 列后出现的下一次“Add list to board”模态框。11.00 秒首次完整显示标题、选择器及展开的下拉列表；11.50 秒为最后 qualifying 帧，已选中 Closed，Cancel 和 Add 按钮清晰可见。此前 10.75 秒仅显示已添加 Rejected 的看板，没有弹窗；之后 11.75 秒弹窗消失，看板新增 Closed 列。选择 11.50 秒作关键帧，因为完整模态框及 Closed 选项清楚可辨。","start_frame":264,"end_frame":282,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[320.8,394.4,679.2,603.7],"positive_points":[[376.6,425.9],[427.1,481.5],[506.3,508.3],[380.2,543.5],[619.3,569.4],[657.3,569.4]],"negative_points":[[288.0,475.9],[718.8,509.3],[491.7,342.6],[488.0,653.7]],"evidence":"图中中央出现“Add list to board”弹窗，状态选择器显示“Closed”，后方看板已有“Rejected”列。边界框覆盖完整白色模态框，包括标题、标签、选择器和 Cancel、Add 按钮；下拉菜单未展开。正点分布于上述控件及弹窗表面，负点位于弹窗四周的变暗看板区域。"}},{"name":"Board filter panel","description":"The wide filter editor opens above the status columns. It contains Filter by text and Add filter controls, then gains a Type condition with the is (OR) operator and Risk selected.","membership":"Include the filter panel's surface, boundary, close control, labels, text input, filter selectors, Type condition, selected Risk chip, and attached dropdown menus while open. Follow its resizing and enlargement. Exclude the board title, toolbar Filter toggle, and kanban columns below.","id":"obj_018","temporal":{"status":"found","start_s":13.25,"end_s":22.0,"reference_s":20.75,"evidence":"目标是状态列上方的宽幅筛选编辑面板，含 Filter by text、Add filter，随后加入 Type、is (OR) 和 Risk 选中项；展开的下拉菜单属于同一面板。13.25 秒首次完整显示，前一帧 13.00 秒仅有工具栏 Filter 按钮，面板尚未打开。面板经缩放和内部控件变化持续存在，最后合格帧为 21.75 秒，视频于 22.00 秒结束，无后续帧。选择 20.75 秒作为关键帧，面板边界、关闭按钮及 Risk 条件完整清晰，无遮挡。","start_frame":318,"end_frame":528,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[165.1,151.9,993.2,362.0],"positive_points":[[194,218],[489,216],[361,278],[530,278],[494,320],[979,176]],"negative_points":[[268,119],[913,118],[543,410],[78,269]],"evidence":"目标是看板标题下方、状态列上方展开的宽筛选面板。边界框覆盖面板表面及边框、关闭按钮、文本输入框、Type 条件、is (OR) 运算符、Risk 标签和 Add filter 控件。正点分布于面板内的标签、输入框、选择器和关闭按钮；负点位于排除的看板标题、工具栏 Filter 按钮、下方状态列及左侧导航。"}}]}
+{"video_id":64,"video_type":"desktop and application interfaces","targets":[{"name":"Initial ChatGPT prompt composer","description":"The rounded input panel initially centered beneath “今天有什么计划?”, where a request for an HTML+SVG Apple-logo animation is entered. It later moves to the bottom of the conversation.","membership":"Include the rounded panel surface, border, entered or placeholder text, attachment control, thinking selector, microphone, and send or stop control. Exclude the heading, suggestion buttons, and messages outside the panel.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":1.25,"evidence":"目标是“今天有什么计划?”下方的圆角输入面板，包含附件、思考选择器、麦克风及发送/停止按钮；随后移至对话底部，打开预览后仍在左侧栏底部连续可见。首个合格帧为0.00秒，已完整呈现；最后为7.75秒，8.00秒切换至iconfont页面，目标消失。区间起点即视频开头，无更早帧。选择1.25秒作为关键帧，面板较大、边界完整，已输入的动画请求和各控件清晰可见。","start_frame":0,"end_frame":192,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[167.2,411.1,881.3,506.5],"positive_points":[[194.3,458.5],[410.4,458.3],[666.7,475.9],[757.3,458.3],[815.1,458.3],[854.2,458.3]],"negative_points":[[518.8,301.9],[400,577.8],[526,577.8],[649,577.8]],"evidence":"目标是标题“今天有什么计划?”下方的圆角提示输入面板。边界框覆盖面板表面、边框、已输入文字及附件、思考选择器、麦克风和发送控件。正点分布在文字、面板表面及各控件上；负点位于上方标题和下方三个建议按钮，均不属于面板。"}},{"name":"First tutorial subtitle block","description":"Large Chinese captions across the lower center explain requesting an HTML/SVG animation, obtaining an Apple SVG from iconfont, and supplying that code to AI.","membership":"Include the subtitle lettering and its typographic shadow as one updating text block. Exclude underlying application content.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":2.75,"reference_s":1.0,"evidence":"目标是画面下方居中的大号中文字幕“如果你让它用HTML和SVG做一个动画”，包含字形阴影，不含应用内容。首个合格帧为0.00秒，最后为2.50秒；2.75秒字幕已消失，因此不合并之后重新出现的字幕。区间始于视频开头，无更早采样帧。选择1.00秒作为关键帧，字幕完整清晰、无遮挡，便于标注。","start_frame":0,"end_frame":66,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[317.2,834.3,685.9,893.5],"positive_points":[[330.2,859.3],[373.4,859.3],[442.2,874.1],[481.8,861.1],[604.2,858.3],[671.9,848.1]],"negative_points":[[296.9,864.8],[708.3,866.7],[506.3,803.7],[505.2,925.9]],"evidence":"目标是画面下方居中的大号中文字幕“如果你让它用HTML和SVG做一个动画”。边界框紧贴整行字幕及其灰色阴影；六个正点分布于不同位置的字形笔画，四个负点位于字幕左右及上下的外部背景，排除上方应用界面。"}},{"name":"Initial submitted animation request","description":"The first user-message bubble near the upper right of the conversation reads “做一个HTML+SVG动画，用线条逐渐勾勒出苹果公司logo”.","membership":"Include the rounded message background and all text inside it. Exclude the composer and assistant response.","id":"obj_003","temporal":{"status":"found","start_s":3.0,"end_s":4.5,"reference_s":3.25,"evidence":"目标是对话右上方首条用户消息，圆角背景内完整显示“做一个HTML+SVG动画，用线条逐渐勾勒出苹果公司logo”。首个合格帧为3.00秒，最后为4.25秒；前一帧2.75秒文字仍在输入框中，后一帧4.50秒消息已随页面滚动移出画面。选择3.25秒作为关键帧，消息气泡完整清晰，无遮挡，且易与下方输入框区分。","start_frame":72,"end_frame":108,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[487,124,714,167],"positive_points":[[496,144],[531,142],[573,152],[609,143],[653,149],[701,145]],"negative_points":[[468,146],[732,148],[601,107],[329,213]],"evidence":"目标是对话右上方写有“做一个HTML+SVG动画，用线条逐渐勾勒出苹果公司logo”的首条用户消息。边界框紧贴整个浅灰色圆角气泡，包含背景及全部文字；正点分布在气泡内的文字和背景上，负点位于气泡外的空白及左下方助手“正在思考”区域，不包含底部输入框。"}},{"name":"Initial animation explanation","description":"Assistant text above the first code artifact explains creating a previewable single-file HTML using SVG “stroke-dasharray / stroke-dashoffset”. It later appears in the narrow left conversation pane.","membership":"Include this explanatory paragraph and its inline code text. Exclude the adjacent artifact, other response paragraphs, and surrounding pane surface.","id":"obj_004","temporal":{"status":"found","start_s":3.75,"end_s":4.5,"reference_s":4.0,"evidence":"目标是首个代码 artifact 上方的说明段落，包含“可预览的单文件 HTML”及内联代码“stroke-dasharray / stroke-dashoffset”。3.75 秒首次完整显示，4.25 秒为最后一个完整可见帧；前一帧 3.50 秒仍显示“正在思考”，后一帧 4.50 秒已滚动至代码内部，目标段落不再可见。选择 4.00 秒作为关键帧，段落完整清晰且无遮挡；不合并其后在左侧窄栏中的再次出现。","start_frame":90,"end_frame":108,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[313.5,205.6,678.6,250.9],"positive_points":[[318.2,214.8],[427.1,214.8],[538,214.8],[607.3,214.8],[331.3,240.7],[441.7,240.7]],"negative_points":[[431,309],[568,145],[284,228],[729,222]],"evidence":"目标是首个代码卡片上方的两行助手说明，包含制作可预览单文件 HTML 的说明及 stroke-dasharray / stroke-dashoffset 行内代码。边框覆盖完整段落；六个正点分布在两行文字及行内代码上，负点位于下方代码卡片标题、上方用户消息和左右外围空白处。"}},{"name":"First generated HTML artifact","description":"The bordered code card titled “Apple Logo Svg Draw Animation” displays progressively generated HTML, CSS, SVG paths, and replay code. It is subsequently opened in the right-hand workspace.","membership":"Include the artifact surface, boundary, title bar, artifact controls, and code or preview viewport belonging to it. Exclude browser chrome and the separate conversation pane.","id":"obj_005","temporal":{"status":"found","start_s":3.75,"end_s":8.0,"reference_s":4.0,"evidence":"通过标题“Apple Logo Svg Draw Animation”及其代码卡片、控件识别目标。3.75秒卡片表面、边界和标题栏已建立，内部仍在加载不影响容器成立；此前3.50秒仅显示正在思考。该 artifact 随后在右侧工作区打开，最后 qualifying 帧为7.75秒；8.00秒切换为 iconfont 页面，目标消失。选择4.00秒作为关键帧，卡片边界、标题、控件和代码清晰，且与对话区域容易区分。","start_frame":90,"end_frame":192,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[314.6,280.6,712.5,769.4],"positive_points":[[387,309],[692,309],[374,411],[544,449],[396,629],[642,702]],"negative_points":[[423,215],[270,502],[762,533],[506,860]],"evidence":"目标是标题为“Apple Logo Svg Draw Animation”的圆角边框代码卡片。框选覆盖卡片边界、标题栏、复制/编辑/下载/预览控件及可见代码视口；正点分布在标题、控件和代码区域，负点位于卡片外的对话文字、左右背景及下方字幕，不包含浏览器栏或独立对话区域。"}},{"name":"Apple icon search results","description":"The iconfont results area presents a regular grid of Apple-related icons, including bitten-apple logos, fruit outlines, and a watch, with short labels beneath them.","membership":"Include the results grid surface, icon tiles, their labels, and tile-local controls. Exclude the site navigation, promotional banner, search filters, feedback badge, and subsequently opened dialog.","id":"obj_007","temporal":{"status":"found","start_s":8.0,"end_s":11.0,"reference_s":8.5,"evidence":"目标是 iconfont 页面中由苹果标志、水果轮廓和手表图标及其短标签组成的规则结果网格，不含导航、筛选栏和弹窗。首个合格帧为8.00秒，最后为10.75秒；弹窗打开后，原网格仍在背景中可见，遮挡不改变其连续性。前一帧7.75秒是动画预览，后一帧11.00秒已切换到聊天输入页面。选择8.50秒作为关键帧，此时网格清晰且没有弹窗或悬停控件遮挡。","start_frame":192,"end_frame":264,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[0,307.4,992.2,982.4],"positive_points":[[223.8,360.2],[373.5,481.5],[597.7,605.8],[448.2,735.2],[747.6,851.9],[523.1,675.8]],"negative_points":[[434.1,145.5],[462.4,92.8],[522.4,275.2],[869.2,327.6]],"evidence":"目标是筛选栏下方的白色搜索结果区，内有规则排列的苹果、Apple 标志及手表图标和短标签。框覆盖结果网格表面至画面底部的可见区域；正点分布在不同排的图标、标签及网格表面，负点位于导航、宣传横幅、筛选栏和右侧反馈徽章上。"}},{"name":"Selected apple-fill icon dialog","description":"A centered white iconfont dialog titled “\"apple-fill\"icon” contains a large dark Apple logo, author information, palette controls, icon-library details, and download or copy actions.","membership":"Include the dialog surface, boundary, all displayed contents, and its close control. Exclude the dimmed results page behind it.","id":"obj_008","temporal":{"status":"found","start_s":9.25,"end_s":11.0,"reference_s":10.5,"evidence":"目标为居中的白色“\"apple-fill\"icon”弹窗，包含深色苹果标志、作者信息、调色板、图标库详情、下载及复制按钮和右上方关闭控件。首个完整呈现帧为9.25秒，最后 qualifying 帧为10.75秒；此前9.00秒弹窗仍在淡入，结构尚未完整呈现，此后11.00秒已切换为ChatGPT页面。选择10.50秒作为关键帧，弹窗及关闭控件清晰完整，无遮挡且按钮无悬停提示干扰。","start_frame":222,"end_frame":264,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[255.7,230.6,761,815.7],"positive_points":[[317,277],[412,505],[621,443],[412,657],[507,780],[752.6,238.9]],"negative_points":[[230,500],[790,490],[520,920],[520,195]],"evidence":"根据标题“\"apple-fill\"icon”、中央深色苹果标志及底部下载和复制按钮识别目标。边界框覆盖完整白色弹窗及右上方外置关闭控件；正点分布于标题区、苹果图案、详情区、调色控件、底部操作区和关闭叉号，负点位于弹窗四周被调暗的结果页面。"}},{"name":"Selected Apple logo graphic","description":"The large dark bitten-apple silhouette with a detached slanted leaf in the left preview area of the apple-fill dialog.","membership":"Include the filled apple body and detached leaf, following their actual outlines and retaining the bite concavity. Exclude the surrounding white preview surface, palette, and labels.","id":"obj_009","temporal":{"status":"found","start_s":9.25,"end_s":11.0,"reference_s":9.5,"evidence":"目标是 apple-fill 弹窗左侧预览区的大号深色苹果实心图形，包含缺口和分离的斜叶。9.25秒首次完整显示，至10.75秒仍完整可见；前一帧9.00秒弹窗尚在显现，目标未完整建立，后一帧11.00秒已切换到聊天输入页面。选择9.50秒为关键帧，苹果轮廓清晰、无遮挡，易与周围控件区分。","start_frame":222,"end_frame":264,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[379.17,418.52,450,569.44],"positive_points":[[423.44,439.81],[392.71,480.56],[424.48,476.85],[389.58,518.52],[410.42,546.3],[437.5,541.67]],"negative_points":[[361.98,500],[466.15,503.7],[421.88,392.59],[418.75,598.15]],"evidence":"目标是 apple-fill 弹窗左侧预览区的大型深色苹果标志。边界框紧贴苹果主体及上方分离的斜叶；正点覆盖叶片和主体各部位，负点位于标志外围的白色预览背景，不涉及内部间隙或咬口。"}},{"name":"Copy SVG code action","description":"The dialog’s bottom-row button labeled “复制 SVG 代码” is hovered and activated to obtain the selected logo’s vector source.","membership":"Include the button surface, boundary, and label through its color changes. Exclude adjacent download buttons, cursor, and transient success indicator.","id":"obj_010","temporal":{"status":"found","start_s":9.25,"end_s":11.0,"reference_s":9.75,"evidence":"目标是苹果图标详情弹窗底部标注“复制 SVG 代码”的按钮，包含按钮表面、边界和文字，保留悬停及点击后的颜色变化，不包含鼠标与成功提示。首个完整呈现帧为9.25秒，最后为10.75秒；此前9.00秒弹窗仍在显现，按钮尚未完整建立，此后11.00秒已切换至ChatGPT页面。选择9.75秒作为关键帧，按钮高亮，标签清楚且易于区别相邻下载按钮。","start_frame":222,"end_frame":264,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[476.6,764.8,537,796.3],"positive_points":[[483.3,779.6],[491.1,772.2],[507.3,772.2],[527.6,775],[531.3,784.3],[515.6,789.8]],"negative_points":[[442.7,779.6],[578.1,779.6],[506.8,741.7],[506.8,820.4]],"evidence":"目标是弹窗底部标注“复制 SVG 代码”的紫色按钮。框紧贴按钮可见边界，覆盖按钮表面及文字；六个正点分散在按钮内并避开鼠标指针，负点位于相邻下载、复制到 App 按钮及上下外部背景。"}},{"name":"SVG-supplied ChatGPT prompt composer","description":"A newly presented rounded ChatGPT input panel beneath “你在忙什么?” contains the animation request followed by “logo的SVG代码为:” and pasted SVG source. It expands into a multiline panel before submission and later sits at the conversation bottom.","membership":"Include the entire rounded input panel, its text contents, border, surface, and embedded input controls. Exclude the heading, suggestion buttons, and submitted message outside it.","id":"obj_011","temporal":{"status":"found","start_s":11.0,"end_s":21.0,"reference_s":12.25,"evidence":"11.00秒首次出现“你在忙什么?”下方完整的圆角输入面板，含动画请求及“logo的SVG代码为:”；随后粘贴SVG并扩展为多行。提交后同一输入面板移至会话底部，预览打开后随会话栏移至左下方，持续可见至20.75秒。前一帧10.75秒仍是iconfont图标弹窗，尚无该面板；区间到达视频末尾，无后续帧。选择12.25秒作为关键帧，面板边界、SVG文本及嵌入控件清晰完整，无遮挡。","start_frame":264,"end_frame":504,"reference_frame":294},"grounding":{"status":"found","bbox_xyxy":[313.0,449.1,714.1,723.1],"positive_points":[[338.5,475.9],[599.0,518.5],[416.7,586.1],[622.4,652.8],[328.1,695.4],[699.0,696.3]],"negative_points":[[510.4,387.0],[442.7,762.0],[755.2,592.6],[505.2,861.1]],"evidence":"目标是“你在忙什么?”下方含动画请求及“logo的SVG代码为:”和多行SVG源码的圆角输入面板。边界框覆盖完整面板、边框、表面、文本和底部嵌入控件。正点分布于面板上中下部及加号、发送按钮；负点位于上方标题、下方建议按钮、右侧外部背景和底部字幕，均不属于输入面板。"}},{"name":"Submitted SVG reference message","description":"The second user-message bubble contains the animation request and the supplied SVG markup with two path elements. Its long source text occupies the upper portion of the new conversation.","membership":"Include the message bubble surface and all enclosed request and SVG text, including portions revealed by scrolling. Exclude the composer and assistant output.","id":"obj_012","temporal":{"status":"found","start_s":12.75,"end_s":13.75,"reference_s":12.75,"evidence":"目标是新会话顶部包含动画请求及两段 path SVG 源码的灰色用户消息气泡，不是输入框或助手代码块。首次合格帧为12.75秒，消息已提交且气泡结构建立；12.50秒内容仍在输入框中。最后合格帧为13.50秒，滚动后仍可见气泡及源码末段；13.75秒气泡已滚出视野，仅剩助手输出。选择12.75秒作关键帧，因为该帧可见的消息气泡和源码范围较大，容易与下方助手内容区分。","start_frame":306,"end_frame":330,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[433.9,63.9,713.5,259.3],"positive_points":[[459.4,83.3],[650.5,105.6],[526.6,128.7],[636.5,171.3],[475.5,216.7],[659.4,241.7]],"negative_points":[[328.6,308.3],[404.2,167.6],[746.4,180.6],[512.5,926.9]],"evidence":"图像上方可见浅灰色用户消息气泡，内含连续 SVG 路径数据、两个 path 的标识及结束标签。边界框仅覆盖被浏览器顶部裁切后仍可见的气泡表面和文字，不推断屏幕外内容。正点分布在气泡内不同位置；负点位于左侧和右侧外部背景、下方“正在思考”助手输出及底部输入框。"}},{"name":"Reference-based animation explanation","description":"Assistant text above the second artifact begins “我会把你给的 Apple SVG 路径改成‘描边绘制’效果” and describes progressive outlines and a final fill. It later moves into the left conversation pane.","membership":"Include the explanatory text block only. Exclude the adjacent code artifact, subsequent completion summary, and pane background.","id":"obj_013","temporal":{"status":"found","start_s":13.25,"end_s":14.0,"reference_s":13.5,"evidence":"目标是第二个代码作品上方以“我会把你给的 Apple SVG 路径改成‘描边绘制’效果”开头的说明文字，不含代码和完成总结。13.25秒首次完整显示，13.75秒仍完整可见；此前13.00秒仅显示“正在思考”，此后14.00秒说明文字已随滚动移出视野。选择13.50秒为关键帧，文字完整清晰且与下方代码作品分离。","start_frame":318,"end_frame":336,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[313.5,300,707.5,340],"positive_points":[[335.4,308.3],[390.1,309.3],[486.5,309.3],[580.2,308.3],[681.3,309.3],[340.6,333.3]],"negative_points":[[410.4,399.1],[531.3,216.7],[291.1,325.9],[536.5,350.9]],"evidence":"目标是代码卡片上方以“我会把你给的 Apple SVG 路径改成”开头的两行说明。框覆盖完整说明文字，包括第二行“填充增强质感。”；六个正点分布在两行文字笔画上，负点位于下方代码卡片、上方代码内容及文字块外的空白背景。"}},{"name":"Second generated HTML artifact","description":"The code card titled “Apple Logo Line Draw Animation” shows the reference-based HTML, CSS, and SVG, then opens as a large right-hand preview with a dark background.","membership":"Include the artifact boundary, surface, header, controls, and its code or rendered preview contents. The Apple animation and its caption remain included as children. Exclude browser chrome and the left conversation pane.","id":"obj_014","temporal":{"status":"found","start_s":13.5,"end_s":21.0,"reference_s":20.25,"evidence":"依据标题“Apple Logo Line Draw Animation”识别第二个生成的 HTML 工件；代码卡随后连续展开为右侧深色预览，属于同一工件。13.25 秒仅见淡入中的标题区域，边界尚未完整建立；13.5 秒卡片边界、表面、标题和控件已完整出现。最后合格帧为 20.75 秒，工件仍在，区间延至视频结束 21 秒，之后无采样帧。选择 20.25 秒为关键帧，右侧预览及其标题栏边界清楚，易与左侧对话和浏览器栏区分。","start_frame":324,"end_frame":504,"reference_frame":486},"grounding":{"status":"found","bbox_xyxy":[208.3,63.9,1000,982.4],"positive_points":[[312.5,88],[966.7,88],[364.6,277.8],[599,574.1],[603.1,762],[890.6,864.8]],"negative_points":[[109.4,416.7],[112,750],[500,41.7],[875,41.7]],"evidence":"目标是右侧标题为“Apple Logo Line Draw Animation”的大型 HTML 成品预览。边界框覆盖其顶部标题栏、控件及完整深色预览区域，包括苹果图形和下方文字。正点分布于标题栏、控件、预览表面、苹果及字幕；负点位于左侧对话区和顶部浏览器栏，均不属于该成品。"}},{"name":"Reference-based animation completion summary","description":"The assistant’s left-pane completion block begins “已做好，一个可直接预览/复制的 HTML + SVG 线条勾勒动画” and lists drawing, filling, background, and highlight effects, followed by saving instructions for “apple-logo.html”.","membership":"Include the completion paragraphs, feature list, and associated file-saving instructions as one text block. Exclude the earlier explanatory paragraph, artifact link, response-action icons, and pane background.","id":"obj_015","temporal":{"status":"found","start_s":19.0,"end_s":21.0,"reference_s":20.25,"evidence":"目标为左栏以“已做好，一个可直接预览/复制的 HTML + SVG 线条勾勒动画”开头的完成说明，包含效果列表及 apple-logo.html 保存、打开指引，不含上方解释、链接及下方操作图标。19.0 秒首次完整呈现，前一帧 18.75 秒末尾仍在逐字显示“后用浏览器打”。最后合格帧为 20.75 秒，持续至视频结束 21.0 秒，无后续帧。选择 20.25 秒作为关键帧，文字完整、清晰且无遮挡。","start_frame":456,"end_frame":504,"reference_frame":486},"grounding":{"status":"found","bbox_xyxy":[35.4,342.6,188.5,614.8],"positive_points":[[40.1,350.9],[62.0,374.8],[76.0,452.8],[83.3,500.9],[79.7,548.1],[65.1,604.6]],"negative_points":[[55.2,185.2],[85.9,275.9],[57.8,640.7],[158.9,689.8]],"evidence":"目标位于左侧回复区，以“已做好”开头。边框覆盖完成说明、效果标题及五项功能列表，以及包含 apple-logo.html 的保存说明。正点分布在说明、列表和文件名文字上；负点位于上方早期说明、作品链接、下方操作图标及窗格空白处。"}},{"name":"Animated Apple logo","description":"In the second artifact’s dark preview, white strokes progressively trace a bitten apple and detached leaf, then the same logo fills solid white.","membership":"Include the apple-body and leaf paths through their progressive reveal and fill changes. Open stroke fragments remain open; completed closed outlines include their enclosed areas. Follow the actual apple outline and bite concavity. Exclude the surrounding glow, dark preview surface, cursor, and caption.","id":"obj_016","temporal":{"status":"found","start_s":19.5,"end_s":21.0,"reference_s":20.25,"evidence":"目标是第二个深色预览中的苹果主体及独立叶片，不含光晕和字幕。19.25秒叶片仍有未完成的描边；19.5秒主体和叶片结构首次完整呈现，之后的填充变白均保留。最后 qualifying 帧为20.75秒，目标仍完整可见，区间延续至视频结束21秒，无后续帧。选择20.25秒，白色标志轮廓清晰、无遮挡，便于标注。","start_frame":468,"end_frame":504,"reference_frame":486},"grounding":{"status":"found","bbox_xyxy":[529.7,388.9,679.2,705.6],"positive_points":[[624.5,427.8],[562.5,513],[632.8,504.6],[592.2,580.6],[572.4,668.5],[649,651.9]],"negative_points":[[493.2,555.6],[726.6,591.7],[603.1,762],[727.6,199]],"evidence":"深色预览中央可见已填充为白色的 Apple 标志，包含带咬口的苹果主体及分离叶片。边界框紧贴主体与叶片的整体可见范围；正点分布在叶片和主体各部，负点位于外围暗色背景、下方字幕及上方光标处，不包含周围光晕。"}},{"name":"LINE DRAW caption","description":"Small, widely spaced uppercase text “LINE DRAW” appears centered beneath the completed white Apple logo.","membership":"Include the caption lettering only. Exclude the Apple graphic, glow, and preview background.","id":"obj_017","temporal":{"status":"found","start_s":20.75,"end_s":21.0,"reference_s":20.75,"evidence":"目标是白色苹果标志下方居中的小号宽字距大写“LINE DRAW”，仅包含文字。20.75秒时字幕已完成淡入，作为首个及最后一个合格采样帧；此前20.50秒文字仍处于淡入末段。选择20.75秒作为关键帧，字形清晰且无遮挡。区间到达视频结尾，没有后续采样帧。","start_frame":498,"end_frame":504,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[576.0,755.6,631.3,765.7],"positive_points":[[576.6,760.2],[582.8,759.3],[594.3,756.5],[605.2,760.2],[612.5,756.5],[628.6,762.0]],"negative_points":[[562.5,759.3],[645.8,759.3],[604.2,731.5],[604.2,601.9]],"evidence":"目标是白色苹果标志下方居中的小号大写“LINE DRAW”。边界框紧贴整段字幕，正点分布在不同字母笔画上；负点位于字幕外侧及上方的预览背景，以及明确排除的苹果图形内部。"}},{"name":"Closing tutorial subtitle","description":"The large lower-center Chinese caption “这一次效果就要好很多了” appears over the final Apple-logo preview after the earlier subtitle block has disappeared.","membership":"Include the subtitle lettering only. Exclude the animation, its “LINE DRAW” caption, and the preview surface.","id":"obj_018","temporal":{"status":"found","start_s":20.5,"end_s":21.0,"reference_s":20.5,"evidence":"目标是最终苹果标志预览下方的大号中文字幕“这一次效果就要好很多了”，仅计字幕 lettering。20.50秒首次完整出现，20.75秒最后一帧仍完整可见；前一帧20.25秒没有该字幕。区间延续至视频末尾21.00秒，无后续采样帧。选择20.50秒为关键帧，字幕清晰无遮挡，与上方“LINE DRAW”及苹果标志易于区分。","start_frame":492,"end_frame":504,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[378.1,837,622,887.9],"positive_points":[[389.1,880.6],[412.5,859.3],[456.8,863],[477.1,859.3],[525,843.5],[614.6,843.5]],"negative_points":[[366.1,863.9],[640.6,864.8],[500,803.7],[603.6,761.1]],"evidence":"目标是苹果标志预览下方的大号中文字幕“这一次效果就要好很多了”。边界框紧贴整行字幕，正点分布在不同汉字的白色笔画上；负点位于字幕左右及上方的预览背景和被排除的“LINE DRAW”字样处。"}}]}
+{"video_id":65,"video_type":"desktop and application interfaces","targets":[{"name":"MindMarket navigation bar","description":"Persistent white rounded header containing the green MindMarket logo, brand name, Services, Methodology, Industry Sectors, Network, and a circular green menu control.","membership":"Includes the white bar, its rounded boundary, logo, text, dropdown marks, and menu control. Excludes the separate Get a quote button and page content behind it.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":14,"reference_s":0,"evidence":"目标是顶部持续显示的白色圆角导航条，包含绿色 MindMarket 标志、品牌名、四个导航项目及绿色圆形菜单控件，不含右侧独立的 Get a quote 按钮。首个合格帧为 0.00 秒，最后为 13.75 秒；期间导航条始终完整显示，页面滚动未改变其身份。区间覆盖视频首尾，边界外无采样帧。选择 0.00 秒为关键帧，导航条边界清晰、内容完整且无遮挡。","start_frame":0,"end_frame":336,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[152.1,74.1,732.8,138.9],"positive_points":[[171.4,106.5],[224.5,107.4],[327.6,117.6],[423.4,106.5],[584.4,106.5],[715.6,106.5]],"negative_points":[[787.5,106.5],[208.3,180.6],[491.7,324.1],[418.2,37.0]],"evidence":"目标是顶部包含绿色标志、MindMarket 品牌名、导航文字及绿色圆形菜单控件的白色圆角横条。边界框紧贴该横条，不包含右侧独立的 Get a quote 按钮。正点分布在标志、品牌文字、白色表面、导航项和菜单控件上；负点位于报价按钮、下方绿色页面背景、主标题及顶部黑色背景。"}},{"name":"Header Get a quote button","description":"Separate white rounded call-to-action at the upper right, with Get a quote text and a small blue cartoon face.","membership":"Includes the complete button surface, boundary, label, and blue face graphic. Excludes the adjacent navigation bar.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":14,"reference_s":0,"evidence":"目标是右上角独立于导航栏的白色圆角按钮，包含“Get a quote”文字和蓝色卡通脸。首个合格帧为0.00秒，最后为13.75秒；整个采样序列中按钮均完整显示，未见淡入、淡出或边界裁切。区间覆盖视频起止，边界之外无采样帧。选择0.00秒为关键帧，因为按钮轮廓清晰、无遮挡，且与相邻导航栏易于区分。","start_frame":0,"end_frame":336,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[744.3,74.1,847.9,138.9],"positive_points":[[753,88],[766,107],[798,106],[831,106],[780,126],[839,126]],"negative_points":[[715,107],[866,110],[785,165],[788,49]],"evidence":"目标是右上角独立的白色圆角“Get a quote”按钮，右侧带蓝色卡通脸。边界框覆盖完整按钮表面、文字和图案，不含左侧导航栏。正点分布在按钮表面、标签及蓝色脸上；负点位于左侧导航栏和按钮外的绿色、深色背景。"}},{"name":"Real human insights heading","description":"Opening oversized black heading arranged on two lines in the center of the green hero section.","membership":"Includes only the lettering of Real human insights. Excludes the green background, subtitle, navigation, and illustration.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0,"evidence":"目标是绿色首屏中央分两行显示的黑色大标题“Real human insights”，仅包含字母。首个合格帧为0.00秒，最后一个为1.25秒，标题均完整可见；1.50秒时下方浅色面板开始遮去第二行，故结束。区间始于视频开头，没有更早的采样帧。选择0.00秒作为关键帧，标题完整清晰且无遮挡。","start_frame":0,"end_frame":36,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[308,264.8,697.4,532.4],"positive_points":[[316.1,305.6],[440.1,319.4],[691.1,331.5],[380.2,463],[536.5,449.1],[614.6,490.7]],"negative_points":[[255.2,393.5],[744.8,388.9],[498.4,585.2],[420.8,106.5]],"evidence":"目标是绿色主视觉中央分两行显示的黑色大标题“Real human insights”。边界框紧贴两行文字的整体可见范围；六个正点分布在两行字母笔画上，负点位于标题外的绿色背景、副标题和顶部导航文字处。"}},{"name":"One global partner subtitle","description":"Small centered black subtitle beneath the opening hero heading.","membership":"Includes only the text One global partner. Excludes the heading, background, and nearby illustration.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0,"evidence":"目标为开场主标题下方居中的黑色小字“One global partner”，不含标题及插画。首个合格帧为0.00秒，最后合格帧为1.00秒，字幕均完整可见；紧邻的1.25秒帧中字幕已被上移的浅色面板遮去。区间起于视频开头，无更早采样帧。选择0.00秒作为关键帧，字幕清晰完整且无遮挡。","start_frame":0,"end_frame":30,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[436.98,573.15,563.54,601.85],"positive_points":[[438.02,583.33],[450.52,588.89],[471.35,579.63],[491.67,582.41],[514.58,590.74],[560.42,587.04]],"negative_points":[[421.88,585.19],[500,629.63],[620.83,477.78],[524.48,730.56]],"evidence":"目标是主标题下方居中的黑色“One global partner”副标题。边界框紧贴完整文字范围；六个正点分布于不同单词的字形笔画上，负点位于左侧及下方绿色背景、上方主标题和下方人物插画上。"}},{"name":"Opening three-person illustration","description":"Animated group beneath the hero text: a blue-shirted figure reaching left, a blue-faced figure in a coral flower shirt and yellow trousers, and a lavender-shirted figure pointing right with exaggerated shoes.","membership":"Includes the three connected illustrated figures, their clothing, hands, hair, and footwear. Excludes surrounding clouds, dots, compass, paper planes, green backing shapes, and page text.","id":"obj_005","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.5,"evidence":"目标是相连的三个人物：向左伸手的蓝衣人物、穿珊瑚色花朵上衣和黄裤的蓝脸人物，以及向右指的紫衣人物，不含周围装饰。2.25秒首次完整进入画面；此前2.00秒鞋脚仍被下边界裁切。最后合格帧为3.00秒，指向右侧的手局部被导航栏遮挡；3.25秒人物上部已随滚动越过画面上边界。选择2.50秒作为关键帧，三人的身体、手和鞋均清楚可见，遮挡最少。","start_frame":54,"end_frame":78,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[287.5,251.9,698.4,763.9],"positive_points":[[345.8,515.7],[363.5,635.2],[492.2,450.9],[473.4,581.5],[660.9,329.6],[655.2,612.0]],"negative_points":[[661.5,225.0],[583.3,803.7],[235.4,875.0],[252.6,398.1]],"evidence":"根据左伸手的蓝衣人物、中间蓝脸珊瑚色花朵上衣及黄裤人物、右侧指向右上方的淡紫衣人物识别。框紧贴三人的可见整体，涵盖头发、手指、衣裤及鞋底。正点分布在蓝衣、灰裤、珊瑚色上衣、黄裤、右侧手部和大鞋上；负点位于上方白云、下方绿色衬底、左下指南针及左侧页面背景，均不属于人物。"}},{"name":"Introductory market research paragraph","description":"Left-aligned text revealed on the cream section, beginning MindMarket delivers global qualitative market research and ending smarter, faster business decisions with confidence.","membership":"Includes the complete paragraph lettering. Excludes its cream background, the adjacent illustration, overlaid header, and separate quote button.","id":"obj_006","temporal":{"status":"found","start_s":13.0,"end_s":14.0,"reference_s":13.0,"evidence":"目标是奶油色区域左侧以“MindMarket delivers global qualitative market research”开头、以“smarter, faster business decisions with confidence.”结尾的完整段落。选择回滚时的这次连续出现：13.00秒首次完整显示，前一帧12.75秒段落仍在画面上方、未完整入镜；至最后采样帧13.75秒仍完整可见，因此区间结束于视频末尾14.00秒，之后无帧。13.00秒文字清晰且不受插画或页眉遮挡，适合作为关键帧。","start_frame":312,"end_frame":336,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[152.1,195.4,499.5,359.3],"positive_points":[[153.6,206.5],[414.1,208.3],[390.6,240.7],[399.5,273.1],[378.1,310.2],[213.5,343.5]],"negative_points":[[535,283],[330,389],[204,431],[583,654]],"evidence":"根据首句“MindMarket delivers global qualitative market research”和末句“smarter, faster business decisions with confidence.”识别目标。边界框紧贴左侧完整五行段落；六个正点分布在各行文字笔画上，四个负点位于段落外的奶油色背景、独立报价按钮和右下插画上。"}},{"name":"Introductory Get a quote button","description":"White rounded button below the introductory paragraph, with a green circular right-arrow control.","membership":"Includes the button surface, rounded boundary, Get a quote label, and green arrow circle. Excludes the paragraph and illustration.","id":"obj_007","temporal":{"status":"found","start_s":1.25,"end_s":3.0,"reference_s":2.0,"evidence":"目标是引言段落下方的白色圆角“Get a quote”按钮，带绿色圆形右箭头，不是顶部导航中的同名按钮。首个完整帧为1.25秒，最后完整帧为2.75秒；前一帧1.00秒按钮尚未进入画面，后一帧3.00秒按钮已在顶部被裁切。选择2.00秒作为关键帧，按钮完整清晰，且无遮挡。","start_frame":30,"end_frame":72,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[152.1,424.1,257.8,488.0],"positive_points":[[159.9,439.8],[172.4,456.5],[203.6,457.4],[240.1,456.5],[213.5,475.0],[248.4,433.3]],"negative_points":[[134.9,453.7],[275.0,453.7],[200.0,514.8],[209.4,369.4]],"evidence":"目标是介绍段落下方的白色圆角“Get a quote”按钮，右侧带绿色圆形箭头。边界框紧贴整个按钮，包含白色表面、文字及绿色圆形控件。正点分布于按钮表面、标签和箭头圆圈；负点位于按钮左右及下方背景和上方段落，排除这些非目标区域。"}},{"name":"No more chaos card","description":"White information card on the right explaining coordination of vendors, time zones, and cultures, with the heading No more chaos. and a coral Services button.","membership":"Includes the entire card surface, rounded boundary, heading, paragraph, and Services button. Excludes surrounding illustrations and the header passing over it.","id":"obj_008","temporal":{"status":"found","start_s":4.0,"end_s":4.25,"reference_s":4.0,"evidence":"目标是右侧白色圆角信息卡，含“No more chaos.”标题、协调供应商与时区及文化的说明和珊瑚色 Services 按钮。4.00秒为首次及最后一个完整呈现的采样帧；前一帧3.75秒卡片底部仍被画面边界裁切，后一帧4.25秒卡片顶部已随滚动移出画面。选择4.00秒为关键帧，因为卡片边界及内部内容完整清晰，无遮挡。","start_frame":96,"end_frame":102,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[555.7,311.1,848.4,698.1],"positive_points":[[582,335],[645,386],[708,495],[629,615],[825,655],[814,351]],"negative_points":[[527,485],[883,537],[708,757],[682,258]],"evidence":"目标是右侧带有“No more chaos.”标题、说明段落和珊瑚色Services按钮的白色圆角信息卡。边界框紧贴整张卡片，包含卡面及所有内部内容。正点分布在卡面、标题、段落和按钮上；负点位于卡片四周的浅色背景，不包含插画或顶部导航栏。"}},{"name":"Leaping red-haired figure","description":"Large animated figure to the left of the No more chaos card, wearing a blue vest over white sleeves, lavender trousers with coral stripes, and multicolored trainers.","membership":"Includes the complete figure, red hair, extended arms, clothing, and shoes. Excludes green backing shapes, floating paper, folder, and decorative marks.","id":"obj_009","temporal":{"status":"found","start_s":4.0,"end_s":4.5,"reference_s":4.0,"evidence":"目标是“No more chaos.”卡片左侧的红发跃起人物，穿蓝色背心、白色长袖、珊瑚色条纹的淡紫长裤和多色运动鞋。首个完整呈现帧为4.00秒，最后合格帧为4.25秒；此前3.75秒人物下半身仍被画面底边裁切，此后4.50秒人物上部开始被顶边裁切。选择4.00秒作为关键帧，因为完整人物轮廓清楚，双臂、衣裤和鞋子均可辨认，遮挡最少。","start_frame":96,"end_frame":108,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[118.2,307.4,360.4,916.7],"positive_points":[[134.4,358.3],[167.7,442.6],[329.7,503.7],[193.8,551.9],[328.6,692.6],[148.4,883.3]],"negative_points":[[263.0,414.8],[377.1,375.0],[619.8,388.9],[267.7,835.2]],"evidence":"目标是卡片左侧跃起的红发人物，蓝背心、白袖、淡紫裤和拼色鞋与描述一致。框覆盖举起的左手、红发、伸出的右手、全身衣裤及两只鞋。正点分布在双手、红发、背心和两只鞋上；负点位于绿色衬底、漂浮纸张、右侧卡片和人物外的米色背景。"}},{"name":"Confused blue figure","description":"Blue-skinned cartoon figure beneath the chaos card, shrugging with both palms raised, wearing a green hoodie, yellow trousers, coral shoes, and a yellow hat over lavender hair.","membership":"Includes the complete figure and its clothing, hair, hat, hands, and footwear. Excludes the green background shape, floating folder, paper, and nearby cards.","id":"obj_010","temporal":{"status":"found","start_s":4.75,"end_s":5.0,"reference_s":4.75,"evidence":"目标是混乱说明卡下方双掌朝上耸肩的蓝肤人物，穿绿帽衫、黄裤、珊瑚色鞋，戴黄帽并有淡紫色头发。首末合格帧均为4.75秒，人物完整进入画面，帽子附近仅有导航栏遮挡；前一帧4.50秒鞋脚仍被画面下缘裁切，后一帧5.00秒人物上部已从上缘离开并被裁切。选择4.75秒作为关键帧，姿态、双手及服装清晰可辨。","start_frame":114,"end_frame":120,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[566.1,138.9,834.4,693.5],"positive_points":[[597.9,231.5],[800,264.8],[687.5,225],[724,320.4],[724,450.9],[655.7,653.7]],"negative_points":[[466,278],[533,541],[431,704],[852,578]],"evidence":"目标是右侧双掌摊开的蓝肤人物，穿绿色连帽衫、黄色裤子和珊瑚色鞋，配有淡紫色头发与黄色帽子。边界框覆盖帽子至鞋底、两侧手掌之间的完整可见人物。正点分布在双手、脸部、上衣、裤子及鞋上；负点位于浮动文件夹、绿色背景形状、左侧卡片及右侧米色背景，均不属于人物。"}},{"name":"One brief. One team. card","description":"White card on the left describing a single point of contact from methodology design through reporting, with the heading One brief. One team. and a yellow Methodology button.","membership":"Includes the complete card surface, rounded boundary, heading, paragraph, and Methodology button. Excludes adjacent figures and overlaid navigation.","id":"obj_011","temporal":{"status":"found","start_s":11.75,"end_s":12.0,"reference_s":11.75,"evidence":"目标是左侧白色圆角卡片，含“One brief. One team.”标题、单一联系人服务说明及黄色 Methodology 按钮。选择回滚时的这次连续出现：11.75 秒为首个及最后一个合格帧，卡片完整清晰；前一帧 11.50 秒卡片上部仍被画面边界裁切，后一帧 12.00 秒已移出画面下方。11.75 秒卡片无遮挡，适合作为空间标注关键帧。","start_frame":282,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[151.6,310.2,444.3,744.4],"positive_points":[[166.7,336.1],[271.4,386.1],[231.8,470.4],[366.1,570.4],[235.4,661.1],[417.2,691.7]],"negative_points":[[130.2,515.7],[484.4,488.9],[377.1,263.9],[191.1,796.3]],"evidence":"根据左侧白色圆角卡片、标题“One brief. One team.”、说明段落及黄色Methodology按钮确定目标。边界框紧贴完整卡片外缘；正点分布在卡片表面、标题、段落和按钮上，负点位于卡片外的背景及下方绿色插画，排除相邻图形和顶部导航。"}},{"name":"Two horn players","description":"Compact illustrated musical pair on the left below the methodology card: a blue-haired player in coral and a blue-skinned, black-haired player in lavender, both holding yellow horns.","membership":"Includes both musicians and their yellow instruments as one compact illustration. Excludes floating musical notes, white flourishes, green backing shapes, and adjacent cards.","id":"obj_012","temporal":{"status":"found","start_s":5.25,"end_s":6.0,"reference_s":5.5,"evidence":"目标是方法论卡片下方左侧的双人吹奏插画：蓝发珊瑚色衣服乐手与黑发蓝肤、淡紫色衣服乐手，均持黄色号角。5.25秒首次两人及乐器完整呈现，5.75秒为最后完整帧；此前5.00秒左侧乐手仍被画面底边裁切，之后6.00秒上方乐手的号角开始被顶边裁切。选择5.50秒作为关键帧，双人及号角清晰完整，便于排除周围音符、绿色背景和卡片。","start_frame":126,"end_frame":144,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[113.5,364.8,416.7,810.2],"positive_points":[[131.8,572.2],[152.6,713],[245.8,754.6],[266.7,512],[307.3,616.7],[401,435.2]],"negative_points":[[192,395],[366,769],[444,687],[392,294]],"evidence":"目标是方法论卡片下方左侧的两位吹奏者：蓝发珊瑚色衣服人物，以及黑发蓝肤紫衣人物。边框紧贴两人及其黄色乐器的完整可见范围。正点分布在头发、面部、衣服和两件乐器上；负点位于独立音符、白色装饰、绿色背景形状及上方卡片，均不属于目标。"}},{"name":"Blue-suited conductor","description":"Large brown-skinned cartoon conductor on the right, with raised arms, a blue jacket, white shirt, yellow bow tie, and yellow baton.","membership":"Includes the conductor's body, head, hands, clothing, and held baton. Excludes nearby musical notes, decorative marks, and green background ribbon.","id":"obj_013","temporal":{"status":"found","start_s":5.25,"end_s":6.0,"reference_s":5.5,"evidence":"目标是右侧棕色皮肤、身穿蓝西装和白衬衫、佩黄色领结并举着黄色指挥棒的卡通指挥家。首次完整呈现于5.25秒，最后合格帧为5.75秒；此前5.00秒衣服下部仍被画面底边裁切，此后6.00秒举起的手和指挥棒开始被上边界裁切。选择5.50秒作为关键帧，人物及指挥棒完整清晰，与附近音符和绿色背景易于区分。","start_frame":126,"end_frame":144,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[700,322,885,875],"positive_points":[[770,336],[849,405],[730,481],[783,631],[838,616],[755,846]],"negative_points":[[677,611],[897,648],[731,903],[510,652]],"evidence":"目标是右侧双臂举起、穿蓝色礼服的棕肤色指挥。边界框紧贴人物、衣服及手持黄色指挥棒的可见范围；正点分布在指挥棒、双手、脸部、蓝色袖子和下摆，负点位于外侧绿色背景、米色背景及附近独立的黄色装饰和红色音符上。"}},{"name":"Gamer illustration","description":"Seated red-haired figure in a yellow top and blue trousers holding an oversized coral game controller beside the industry-sector card.","membership":"Includes the figure, clothing, shoes, held controller, and its attached cable. Excludes the separate small blue controller below, background shapes, and information card.","id":"obj_014","temporal":{"status":"found","start_s":6.25,"end_s":6.75,"reference_s":6.25,"evidence":"目标是行业板块卡片旁的红发玩家，穿黄色上衣、蓝色长裤，手持珊瑚色大手柄，包含相连线缆。首个合格帧为6.25秒，人物、鞋和线缆均完整入画；6.50秒仍在画面内，仅部分被顶部导航遮挡。此前6.00秒鞋部尚被底边裁切，此后6.75秒人物已从顶边离场并被裁切。选择6.25秒作关键帧，目标完整清晰、遮挡最少。","start_frame":150,"end_frame":162,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[219.3,467.6,400,878.7],"positive_points":[[244.8,507.4],[231.8,611.1],[318.8,550.9],[306.3,709.3],[315.1,842.6],[359.4,491.0]],"negative_points":[[151.0,584.3],[552.1,796.3],[203.6,750.0],[549.0,333.3]],"evidence":"目标是信息卡左侧的红发游戏玩家，身穿黄上衣、蓝裤，手持珊瑚色大手柄。边界框覆盖人物、衣鞋、手柄及其连接线；六个正点分布在脸部、上衣、手柄、裤子、鞋和线缆上。负点位于独立蓝色装饰、信息卡、绿色背景及紫色背景图形上。"}},{"name":"Speak their language card","description":"White information card headed Speak their language., explaining industry-specific cultural insight, with a blue Industry Sectors button.","membership":"Includes the complete card surface, rounded boundary, heading, paragraph, and Industry Sectors button. Excludes the overlapping gamer and surrounding graphics.","id":"obj_015","temporal":{"status":"found","start_s":6.25,"end_s":6.75,"reference_s":6.25,"evidence":"目标是标题为“Speak their language.”、带蓝色 Industry Sectors 按钮的白色圆角卡片，不含重叠的游戏人物。6.25秒卡片表面和边界已完整建立，内部文字及按钮仍在显现不延迟面板起点；6.50秒为最后合格帧。此前6.00秒仍是蓝色外块与白色内块的展开状态，此后6.75秒卡片上部已移出画面。选择6.25秒作为关键帧，因为完整卡片轮廓清楚，且未被顶部导航栏遮挡。","start_frame":150,"end_frame":162,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[342.7,442.6,657.8,884.3],"positive_points":[[494,470],[487,536],[582,638],[444,776],[393,849],[637,750]],"negative_points":[[308,694],[318,553],[680,602],[503,398]],"evidence":"目标是画面中下部以“Speak their language.”为标题的白色圆角信息卡。边界框覆盖完整卡面、标题、说明段落及 Industry Sectors 按钮；正点分布在这些内容和卡面上，负点位于左侧重叠的玩家、手柄及卡片外的绿色背景，排除周围插画。"}},{"name":"Scientist illustration","description":"Blue-skinned scientist on the right with tall stacked dark hair, a white laboratory coat, lavender clothing, and an oversized flask containing coral liquid.","membership":"Includes the scientist, clothing, hair, hand, and held flask, including its enclosed liquid. Excludes bubbles, decorative marks, green backing shape, and navigation overlay.","id":"obj_016","temporal":{"status":"found","start_s":6.75,"end_s":7.25,"reference_s":7.0,"evidence":"目标是右侧蓝皮肤、深色高髻、穿白色实验服并手持珊瑚色液体烧瓶的科学家。首个合格帧为6.75秒，最后为7.00秒；右侧裁切属于插画的固定构图。6.50秒仍在淡入且下部尚未完整进入，7.25秒则已向上离场并被画面上边界裁切。选择7.00秒作为关键帧，人物、发髻和烧瓶清晰，导航栏遮挡较少。","start_frame":162,"end_frame":174,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[720.8,241.7,909.4,670.4],"positive_points":[[893.2,321.3],[861.5,376.9],[796.4,328.7],[767.2,421.3],[780.2,491.7],[879.7,521.3]],"negative_points":[[790.6,224.1],[708.3,553.7],[802.1,736.1],[789.1,106.5]],"evidence":"目标是右侧蓝色皮肤、堆叠深色发髻、白色实验服和淡紫色衣服的科学家，手持珊瑚色液体烧瓶。框覆盖其可见头发、身体、衣服、手���完整烧瓶，右边界止于画面裁切处。正点分布在头发、脸、手、瓶内液体及两处衣服；负点位于上方气泡、绿色背景、下方浅色背景和导航栏，均不属于目标。"}},{"name":"Running athlete illustration","description":"Large black-haired athlete on the left, wearing a blue jersey, green shorts, white socks, and coral shoes with exaggerated yellow soles.","membership":"Includes the complete athlete, limbs, clothing, socks, and shoes. Excludes the separate green-spotted ball, motion flourishes, background ribbon, and neighboring card.","id":"obj_017","temporal":{"status":"found","start_s":7.25,"end_s":7.5,"reference_s":7.25,"evidence":"目标为左侧黑发、蓝色球衣、绿色短裤、白袜及珊瑚色黄底鞋的跑步运动员，不包括独立的绿斑球。首个及最后一个合格帧均为7.25秒，此时人物四肢和鞋底完整可见；前一帧7.00秒的大鞋及下肢仍被画面下边界裁切，后一帧7.50秒人物上部已在离场时被上边界裁切。选择7.25秒作为关键帧，因为完整人物清晰且易于与背景和邻近卡片区分。","start_frame":174,"end_frame":180,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[158.3,357.4,482.8,899.1],"positive_points":[[309.4,406.5],[436.5,379.6],[382.3,455.6],[366.1,550],[199.5,753.7],[462.5,454.6]],"negative_points":[[161.5,475.9],[525.5,396.3],[621.9,561.1],[679.7,804.6]],"evidence":"目标是左侧穿蓝色球衣、绿色短裤的黑发跑步运动员。边界框紧贴完整人物，涵盖伸展的四肢、白袜及前后两只鞋。正点分布在双臂、球衣、短裤和两只鞋上；负点位于独立的绿斑球、白色动势装饰、绿色背景飘带和右下紫色卡片上。"}},{"name":"Global, for real. card","description":"White card on the right headed Global, for real., describing research across markets and the global network, with a lavender Our Network button.","membership":"Includes the complete card surface, rounded boundary, heading, paragraph, and Our Network button. Excludes the lavender reveal surround outside the card, adjacent athlete, and background graphics.","id":"obj_018","temporal":{"status":"found","start_s":7.5,"end_s":8.25,"reference_s":7.75,"evidence":"目标是右侧标题为“Global, for real.”、带淡紫色“Our Network”按钮的白色圆角卡片，不含外围紫色揭示区域。7.50秒白色卡面及完整边界已建立，内部文字与按钮的后续显现不延迟卡片起点；此前7.25秒仅见底部被裁切的紫色揭示区域。最后合格帧为8.00秒，8.25秒卡片已向上离开并被画面边界裁切。选择7.75秒作为关键帧，此时完整卡片及其内容清楚可见，遮挡最少。","start_frame":180,"end_frame":198,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[543.2,241.7,861,687],"positive_points":[[564,269],[651,335],[703,449],[638,579],[837,538],[788,661]],"negative_points":[[508,445],[883,598],[700,837],[282,440]],"evidence":"根据右侧“Global, for real.”标题、全球网络说明及淡紫色“Our Network”按钮识别卡片。边界框紧贴完整白色圆角卡片，包含标题、正文和按钮。六个正点分布在卡片表面及内部内容；负点位于卡片外的绿色图形、米色背景、下方白色背景图形和左侧运动员插画。"}},{"name":"Ball-balancing character","description":"Left figure in the lower illustrated scene, with blue hair in a bun, pale green sleeves, yellow shorts, and a lavender ball balanced above an extended finger.","membership":"Includes the character, clothing, footwear, and the lavender ball used in the balancing action. Excludes nearby clouds, plants, flowers, and the other two characters.","id":"obj_019","temporal":{"status":"found","start_s":8.5,"end_s":9.75,"reference_s":9.0,"evidence":"目标是下方插画左侧蓝色丸子头、浅色袖子、黄色短裤的人物，包含指尖上方的淡紫色球。首个合格帧为8.50秒，人物与球已完整显现；此前8.25秒仍在淡入且下部被画面边界截断。最后合格帧为9.50秒，9.75秒人物随滚动离开画面，下部开始被底边裁切。左侧鞋子的持续裁切属于插画本身的构图。选择9.00秒作为关键帧，人物和球清晰，易与旁边两个人物区分。","start_frame":204,"end_frame":234,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[90.6,210.2,364.1,717.6],"positive_points":[[178.1,256.5],[256.8,300.9],[168.2,378.7],[213.5,540.7],[105.2,569.4],[295.8,671.3]],"negative_points":[[281.3,231.5],[317.7,731.5],[391.1,440.7],[197.9,650]],"evidence":"目标是左侧蓝色丸子头、穿黄色短裤并用伸出的手指顶着淡紫色球的人物。框覆盖球、人物身体、衣物及两只鞋的可见部分。正点分布在球、头发、手、短裤及左右鞋袜上；负点位于附近白云、黄色花朵、绿色植物和中间人物的蓝色裤子上。"}},{"name":"Laptop unicyclist","description":"Central figure in the lower scene, with flowing coral hair, yellow top, blue trousers, a lavender laptop, and a coral-and-lavender unicycle.","membership":"Includes the rider, clothing, shoes, held laptop, and complete unicycle, including the area enclosed by its wheel. Excludes surrounding foliage, clouds, and neighboring figures.","id":"obj_020","temporal":{"status":"found","start_s":8.5,"end_s":9.75,"reference_s":9.0,"evidence":"目标为下方场景中央的独轮车骑手：珊瑚色长发、黄色上衣、蓝色长裤，手持淡紫色笔记本电脑，骑珊瑚色与淡紫色独轮车。首个合格帧为8.50秒，最后合格帧为9.50秒；8.25秒时独轮车仍被画面下边界裁切，9.75秒时骑手和车再次被下边界裁切。选择9.00秒作为关键帧，人物、电脑及完整车轮范围清楚，易与两侧人物区分。","start_frame":204,"end_frame":234,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[305.2,162,685.9,748.1],"positive_points":[[455.2,196.3],[569.3,378.7],[425.5,440.7],[655.7,271.3],[322.4,425],[508.9,656.5]],"negative_points":[[235.4,444.4],[721.4,460.2],[284.4,228.7],[560.4,783.3]],"evidence":"目标是画面中央珊瑚色长发、黄上衣和蓝裤子的骑独轮车人物。框覆盖骑手、鞋、手持淡紫色笔记本电脑及独轮车的完整可见部分，包含轮内区域。正点分布在头发、上衣、裤子、电脑、鞋和车轮；负点位于左右邻近人物、云朵和外围植被上。"}},{"name":"Binocular explorer","description":"Right figure in the lower scene, a blue-skinned explorer wearing a coral top, yellow trousers, and a backpack while looking through oversized yellow binoculars.","membership":"Includes the explorer, clothing, shoes, backpack, and held binoculars. Excludes surrounding plants, flowers, clouds, and the central rider.","id":"obj_021","temporal":{"status":"found","start_s":8.5,"end_s":9.75,"reference_s":9.0,"evidence":"目标是下方场景右侧的蓝皮肤探险者，穿珊瑚色上衣和黄色长裤，背着背包并举着黄色望远镜。首个合格帧为8.50秒，最后合格帧为9.50秒；此前8.25秒仍在淡入且身体被画面底边截断，此后9.75秒下半身再次被底边截断。选择9.00秒作为关键帧，人物、背包、鞋子和望远镜结构清晰，便于独立标注。","start_frame":204,"end_frame":234,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[548.4,288.0,884.4,769.4],"positive_points":[[815,345],[703,434],[666,475],[815,551],[590,543],[795,709]],"negative_points":[[570,405],[663,695],[886,260],[719,820]],"evidence":"目标是画面右侧举着黄色望远镜的蓝肤色探险者。边界框覆盖人物、珊瑚色上衣、黄色长裤、背包、两只鞋及望远镜；正点分布在这些可见部位，负点位于中央骑行者、前景红花、外侧天空和下方绿植上。"}},{"name":"Global, for real. card on upward return","description":"The global-network card presented again as scrolling reverses, with its Global, for real. heading and lavender Our Network button.","membership":"Includes the complete white card, rounded boundary, heading, paragraph, and button. Excludes the athlete, background ribbon, clouds, and overlaid navigation.","id":"obj_022","temporal":{"status":"found","start_s":10.0,"end_s":10.5,"reference_s":10.0,"evidence":"通过“Global, for real.”标题、说明段落及淡紫色“Our Network”按钮识别向上回滚时再次出现的白色圆角卡片。首个合格帧为10.00秒，最后为10.25秒，卡片均完整可见；此前9.75秒卡片上部仍被画面顶部裁切，此后10.50秒卡片下部开始被画面底部裁切。选择10.00秒作为关键帧，卡片边界和全部内容清晰，无遮挡。","start_frame":240,"end_frame":252,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[555.7,293.5,848.9,704.2],"positive_points":[[590,321],[653,367],[698,483],[637,619],[822,564],[805,679]],"negative_points":[[523,487],[732,757],[710,212],[298,340]],"evidence":"目标是右侧标题为“Global, for real.”、带淡紫色“Our Network”按钮的白色圆角卡片。边界框紧贴完整卡片，包含标题、正文和按钮；正点分布在卡片表面、标题、正文及按钮上，负点位于卡片外的绿色背景带、米色背景及左侧运动员区域。"}},{"name":"Running athlete on upward return","description":"The blue-jerseyed athlete reappearing above and to the left of the returning global-network card, with green shorts and oversized coral-and-yellow footwear.","membership":"Includes the complete athlete and clothing, following the figure's outline. Excludes the separate spotted ball, decorative motion marks, background shapes, and card.","id":"obj_023","temporal":{"status":"found","start_s":10.25,"end_s":10.75,"reference_s":10.5,"evidence":"目标是页面向上返回时、全球网络卡片左上方穿蓝色球衣和绿色短裤、脚穿超大珊瑚红与黄色鞋的运动员，不含旁边的斑点球。首个合格帧为10.25秒，最后为10.50秒；此前10.00秒人物上部仍被画面上边界裁切，此后10.75秒人物下部及鞋已被下边界裁切。选择10.50秒作为关键帧，人物完整且轮廓清晰，遮挡最少。","start_frame":246,"end_frame":258,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[168.8,333.3,483.9,918.5],"positive_points":[[369,386],[311,412],[378,440],[390,530],[459,436],[229,821]],"negative_points":[[159,456],[535,400],[646,760],[637,550]],"evidence":"目标是卡片左上方穿蓝色球衣、绿色短裤和珊瑚红黄色大鞋的跑步运动员。边界框紧贴完整人物及服装，覆盖伸出的手臂和两只鞋。正点分布在头部、拳头、球衣、短裤及两只鞋上；负点位于独立斑点球、白色动势装饰、右下卡片和绿色背景上。"}},{"name":"Scientist on upward return","description":"The blue-skinned scientist reappearing along the right edge, wearing a white coat and holding the flask of coral liquid.","membership":"Includes the scientist, hair, clothing, hand, and complete held flask with its contents. Excludes bubbles, green backing shapes, header, and adjacent content.","id":"obj_024","temporal":{"status":"found","start_s":10.75,"end_s":11.0,"reference_s":10.75,"evidence":"目标为向上回滚时右侧再次出现的蓝肤科学家，包括盘发、白大褂、手和装有珊瑚色液体的完整烧瓶；右侧贴边裁切属于设计构图。首末合格帧均为10.75秒，此时上述结构完整呈现。前一帧10.50秒人物仍从顶部进入，头发及烧瓶尚被上边界裁切；后一帧11.00秒衣服下部开始被底部边界裁切。因此选择10.75秒作为关键帧。","start_frame":258,"end_frame":264,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[697.9,274.1,909.4,716.7],"positive_points":[[883.3,304.6],[837.5,419.4],[827.1,587],[877.1,625.9],[751,373.1],[758.9,473.1]],"negative_points":[[765.1,263.9],[687.5,629.6],[650,842.6],[791.7,104.6]],"evidence":"目标是右侧蓝色皮肤、穿白大褂并手持珊瑚红液体烧瓶的科学家。边界框覆盖可见头发、脸、手、衣服及完整烧瓶，右侧止于画面裁切边缘。正点分布在发髻、脸、手、白大褂、紫色衣服和烧瓶液体上；负点位于上方独立气泡、绿色背景、浅色背景及页眉区域。"}},{"name":"Gamer on upward return","description":"The red-haired gamer reappearing beside the returning industry-sector card, holding a coral controller while wearing a yellow top and blue trousers.","membership":"Includes the figure, clothing, shoes, held controller, and attached cable. Excludes the separate small blue controller, card, and background shapes.","id":"obj_026","temporal":{"status":"found","start_s":11.0,"end_s":11.25,"reference_s":11.0,"evidence":"目标是向上回滚时再次出现的红发玩家，穿黄色上衣、蓝色长裤，手持珊瑚色手柄并带连接线。首末合格帧均为11.00秒：人物已进入画面，上部被固定导航栏局部遮挡；10.75秒仍从上边界进入，11.25秒鞋脚已随人物下移而被下边界裁切。选择11.00秒作为关键帧，可辨认人物、手柄和连接线。","start_frame":264,"end_frame":270,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[217.2,60.2,403.1,475.9],"positive_points":[[245.3,67.6],[232.8,222.2],[312.0,161.1],[302.1,295.4],[300.0,444.4],[247.9,363.0]],"negative_points":[[445.3,625.0],[546.9,296.3],[178.6,521.3],[447.9,102.8]],"evidence":"目标是行业板块卡片左侧被导航栏部分遮挡的红发玩家，可见黄色上衣、蓝色长裤、珊瑚色手柄及鞋子。边框覆盖所有可见人物部分和相连线缆；正点分布在头发、上衣、手柄、裤子、鞋和线缆上，负点位于独立蓝色手柄、卡片、外围背景及导航栏。"}},{"name":"Two horn players on upward return","description":"The coral-clad blue-haired musician and lavender-clad blue-skinned musician reappearing together on the left with their yellow horns.","membership":"Includes both musicians and their held instruments. Excludes floating notes, white flourishes, green background shapes, and nearby cards.","id":"obj_027","temporal":{"status":"found","start_s":11.5,"end_s":11.75,"reference_s":11.5,"evidence":"目标是向上回滚时在左侧再次出现的两位乐手：珊瑚色衣服的蓝发乐手和淡紫色衣服的蓝肤乐手，以及各自手持的黄色号角。11.50秒是首个也是最后一个两人及乐器均完整呈现的采样帧；前一帧11.25秒中上方乐手的号角仍被画面上边界裁切，后一帧11.75秒中下方乐手已被画面下边界裁切。选择11.50秒作为关键帧，两位乐手及号角清晰可辨。","start_frame":276,"end_frame":282,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[111.5,421.3,411,837],"positive_points":[[128.6,593.5],[152.1,728.7],[220.8,801.9],[300,644.4],[317.7,539.8],[399,488.9]],"negative_points":[[192.7,435.2],[511.5,675.9],[370,800],[391.7,726.9]],"evidence":"目标是左侧并排的两名吹号乐手：蓝发珊瑚色上衣人物，以及蓝色皮肤、淡紫色上衣人物。边界框紧贴两人及所持黄色号角的整体可见范围。六个正点分布在两���的头发、衣服、手和号角上；负点位于绿色与红色漂浮音符、下方白色装饰及绿色背景，均不属于目标。"}},{"name":"Conductor on upward return","description":"The brown-skinned conductor reappearing on the right with a blue suit, yellow bow tie, raised hands, and yellow baton.","membership":"Includes the entire conductor, clothing, hands, and baton. Excludes decorative notes, background ribbon, and navigation overlay.","id":"obj_028","temporal":{"status":"found","start_s":11.5,"end_s":11.75,"reference_s":11.5,"evidence":"目标是向上滚动返回时右侧再次出现的棕色皮肤指挥家，穿蓝色西装、戴黄色领结，双手举起并持黄色指挥棒。首个及最后一个合格帧均为11.50秒，整个人物与指挥棒完整可见；此前11.25秒举起的手及指挥棒仍受画面上边界裁切，此后11.75秒人物下部已被下边界裁切。选择11.50秒作为关键帧，目标轮廓清晰且完整。","start_frame":276,"end_frame":282,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[700,355.6,884.4,907.4],"positive_points":[[779.2,386.1],[841.7,442.6],[732.3,517.6],[782.8,658.3],[729.2,649.1],[793.8,800.9]],"negative_points":[[670.8,652.8],[889.6,694.4],[515.6,679.6],[695.8,407.4]],"evidence":"目标是右侧穿蓝色礼服、戴黄色领结并举起双手的棕肤指挥。边界框覆盖完整可见人物、衣服、双手及黄色指挥棒；正点分布在指挥棒、双手、面部和蓝色衣服上。负点位于人物外侧背景、绿色飘带及左侧红色装饰音符上，排除装饰与导航区域。"}},{"name":"One brief. One team. card on upward return","description":"The methodology card presented again on the left, with the One brief. One team. heading and yellow Methodology button.","membership":"Includes the complete white card, rounded boundary, heading, paragraph, and button. Excludes nearby illustrations and the navigation overlay.","id":"obj_029","temporal":{"status":"found","start_s":11.75,"end_s":12.0,"reference_s":11.75,"evidence":"目标是向上返回时左侧再次出现的白色圆角方法论卡，包含“One brief. One team.”标题、段落及黄色“Methodology”按钮。首个和最后一个合格帧均为11.75秒，此时整张卡完整清晰。前一帧11.50秒卡片上部仍被画面顶边裁切；后一帧12.00秒卡片已向下移出画面，不再完整可见。选择11.75秒作为关键帧，卡片边界及全部内容清楚，未被导航栏遮挡。","start_frame":282,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[151.6,310.2,444.8,744.4],"positive_points":[[168.8,337],[385.4,353.7],[250,383.3],[291.1,516.7],[229.7,665.7],[417.2,688]],"negative_points":[[398.4,109.3],[479.2,490.7],[126,520.4],[387.5,800]],"evidence":"目标是左侧含“One brief. One team.”标题、说明段落及黄色“Methodology”按钮的白色圆角卡片。边界框紧贴完整卡片；正点分布于卡片表面、标题、正文和按钮，负点位于顶部导航、右侧绿色背景、左侧外部背景及下方黄色乐器插画，均排除在目标之外。"}},{"name":"Confused blue figure on upward return","description":"The shrugging blue-skinned figure reappearing on the right with lavender hair, a yellow hat, green hoodie, yellow trousers, and coral shoes.","membership":"Includes the complete figure, hat, hair, clothing, hands, and footwear. Excludes the floating folder and paper, green backing shapes, and information cards.","id":"obj_030","temporal":{"status":"found","start_s":11.75,"end_s":12.0,"reference_s":11.75,"evidence":"目标是向上回滚时右侧再次出现的蓝肤耸肩人物，具有淡紫头发、黄帽、绿卫衣、黄裤和珊瑚色鞋。首末合格帧均为11.75秒：完整人物已进入画面，头部局部被固定导航栏遮挡。前一帧11.50秒人物上身仍在画面上边界外；后一帧12.00秒下肢已被下边界裁切。选择11.75秒作为关键帧，可清楚辨认双手、服装及鞋履。","start_frame":282,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[556.3,134.3,847.4,665.2],"positive_points":[[593.8,213.0],[692.7,181.5],[724.0,259.3],[809.9,250.0],[705.7,436.1],[652.6,612.0]],"negative_points":[[468.2,263.9],[520.8,490.7],[385.4,388.9],[843.8,546.3]],"evidence":"目标为右侧摊手耸肩的蓝肤人物，可见淡紫头发、少量黄色帽沿、绿卫衣、黄裤和珊瑚色鞋。边框紧包导航栏下露出的完整可见人物；正点分布于双手、脸、卫衣、裤子和鞋，负点位于左侧文件夹、绿色背景带、信息卡及右侧米色背景。"}},{"name":"No more chaos card on upward return","description":"The services card presented again on the right, headed No more chaos. with a coral Services button.","membership":"Includes the complete white card surface, rounded boundary, heading, paragraph, and button. Excludes surrounding figures, paper graphics, and overlaid navigation.","id":"obj_031","temporal":{"status":"found","start_s":12.0,"end_s":12.5,"reference_s":12.0,"evidence":"目标是向上回滚时再次出现在右侧的白色圆角服务卡，含“No more chaos.”标题、段落及珊瑚色 Services 按钮。首个合格帧为12.00秒，最后为12.25秒，两帧均完整呈现卡片；前一帧11.75秒尚未显示该卡片，后一帧12.50秒卡片下部已被画面底边裁切。选择12.00秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":288,"end_frame":300,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[555.7,201.9,848.9,588.9],"positive_points":[[578,231],[825,241],[604,281],[729,398],[625,506],[823,556]],"negative_points":[[646,106],[703,750],[521,389],[875,431]],"evidence":"目标是右侧标题为“No more chaos.”、带珊瑚色 Services 按钮的白色圆角卡片。边界框覆盖完整卡面、标题、正文和按钮；六个正点分布于卡面及其内容，四个负点位于上方导航、下方人物和卡片两侧外部背景。"}},{"name":"Leaping figure on upward return","description":"The red-haired figure reappearing on the left of the services card, with a blue vest, white sleeves, striped lavender trousers, and multicolored trainers.","membership":"Includes the complete character, hair, hands, clothing, and footwear. Excludes floating paper, folder, background ribbon, and decorative marks.","id":"obj_032","temporal":{"status":"found","start_s":12.0,"end_s":12.25,"reference_s":12.0,"evidence":"目标是向上回滚时重新出现在服务卡左侧的红发跃起人物，穿蓝色背心、白袖、条纹淡紫长裤和彩色运动鞋。12.00秒是首个也是最后一个完整呈现的采样帧；11.75秒人物仍被画面上边界裁切，12.25秒下肢已被下边界裁切。选择12.00秒作关键帧，因为人物全身清晰可见，便于与飘浮纸张及绿色背景区分。","start_frame":288,"end_frame":294,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[119.8,219.4,359.4,869.4],"positive_points":[[138,263],[171,342],[192,470],[335,428],[293,516],[172,838]],"negative_points":[[246,259],[381,305],[465,839],[482,497]],"evidence":"目标是服务卡片左侧跃起的红发人物，穿蓝色背心、白袖上衣和带条纹的淡紫色长裤。边界框覆盖完整人物，从上举的手到最下方鞋底。正点分布在手、头发、背心、裤子和鞋上；负点位于绿色背景飘带、漂浮纸张、蓝色文件夹及外部浅色背景，均不属于人物。"}},{"name":"Three-person illustration on upward return","description":"The opening group reappearing as scrolling approaches the introduction: the left-reaching blue-shirted figure, flower-shirted blue-faced figure, and right-pointing lavender-shirted figure.","membership":"Includes all three connected figures, their clothing, hair, hands, and shoes. Excludes clouds, compass, paper planes, dots, green backing shapes, and text.","id":"obj_033","temporal":{"status":"found","start_s":12.75,"end_s":13.0,"reference_s":12.75,"evidence":"根据向上回滚时再次出现的三人组合识别：左伸手的蓝衣人物、花朵上衣蓝脸人物和右指的淡紫衣人物。首个及最后一个合格采样帧均为12.75秒，三人的身体、衣着和鞋子已进入画面，顶部导航仅局部遮挡指向右上的手。前一帧12.50秒组合上部仍被画面边界裁切；后一帧13.00秒鞋腿已开始被底边裁切。选择12.75秒作为关键帧，因为这是此次回滚中组合呈现最完整的采样帧。","start_frame":306,"end_frame":312,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[288.5,138.9,700,605.6],"positive_points":[[340,376],[372,578],[466,239],[474,419],[586,239],[659,444]],"negative_points":[[297,333],[237,685],[573,685],[750,417]],"evidence":"目标为画面中央相连的三个人物：左侧伸手的蓝衣人物、中间蓝脸花朵上衣人物及右侧指向右上的淡紫衣人物。边界框覆盖三人的可见头发、身体、手和鞋，顶部止于导航栏下方的可见手部。正点分布在蓝袖、左鞋、蓝脸、黄裤、淡紫袖和右侧蓝鞋底；负点位于云朵、指南针、绿色衬底及右侧米色背景，均不属于人物。"}},{"name":"Introductory Get a quote button on upward return","description":"The introduction's white quote button reappearing above the three-person group, with its green circular right arrow.","membership":"Includes the complete button surface, rounded boundary, label, and arrow circle. Excludes the persistent header quote button, paragraph, and illustration.","id":"obj_034","temporal":{"status":"found","start_s":13.0,"end_s":14.0,"reference_s":13.5,"evidence":"目标是向上返回时，介绍段落下方、三人插画上方的白色“Get a quote”按钮，包含绿色圆形右箭头，不是固定页眉按钮。首个完整呈现帧为13.00秒；前一帧12.75秒按钮仍被画面上边界裁切。此后至最后一帧13.75秒均完整可见，区间延续到视频结束14.00秒，无后续帧。选择13.50秒作为关键帧，按钮边界、文字和箭头清晰且无遮挡。","start_frame":312,"end_frame":336,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[152.1,664.8,257.8,726.9],"positive_points":[[160,678],[169,697],[198,695],[218,715],[239,695],[250,677]],"negative_points":[[794,108],[281,576],[467,743],[136,695]],"evidence":"目标是介绍段落下方、三人插画左上方的白色“Get a quote”按钮，右侧带绿色圆形箭头。框覆盖完整圆角按钮表面、文字和箭头；正点分布在这些组成部分，负点位于顶部同名按钮、介绍段落、人物插画及按钮外背景。"}},{"name":"Introductory paragraph on upward return","description":"The introductory text presented again on the cream section, beginning MindMarket delivers global qualitative market research and concluding with business decisions with confidence.","membership":"Includes only the complete paragraph lettering. Excludes the cream backing, separate quote button, illustration, and overlaid navigation.","id":"obj_035","temporal":{"status":"found","start_s":13.0,"end_s":14.0,"reference_s":13.5,"evidence":"目标是向上滚动返回时，奶油色区域中以“MindMarket delivers global qualitative market research”开头、以“business decisions with confidence.”结尾的完整段落文字。首个合格帧为13.00秒，最后为13.75秒；前一帧12.75秒中该段落尚未进入画面。段落持续完整显示至视频结束，边界后无采样帧。选择13.50秒作为关键帧，文字清晰完整，未被导航或插画遮挡。","start_frame":312,"end_frame":336,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[152.1,461.1,499.5,625.0],"positive_points":[[154.2,472.2],[385.4,505.6],[470.3,541.7],[154.2,574.1],[254.7,608.3],[420.3,611.1]],"negative_points":[[330,422],[530,546],[192,695],[526,734]],"evidence":"目标是奶油色区块内以“MindMarket delivers”开头、以“confidence.”结尾的五行介绍文字。边界框紧贴完整段落；六个正点分布在各行字形笔画上，负点位于段落外的奶油色背景、独立报价按钮及下方插画上。"}},{"name":"Real human insights heading on upward return","description":"The oversized hero heading reappearing behind the upper edge of the cream introduction section; the visible portion reads Real human.","membership":"Includes the heading's lettering as it becomes visible. Excludes the green background, cream foreground section, navigation, and introductory paragraph.","id":"obj_036","temporal":{"status":"found","start_s":13.5,"end_s":14.0,"reference_s":13.75,"evidence":"目标是向上返回时重新出现在奶油色介绍区上缘后方的超大黑色标题，可见部分为“Real human”；这种遮挡符合目标指定的裁切呈现。首个符合帧为13.50秒，最后为13.75秒；前一帧13.25秒的绿色区域尚未露出标题。13.75秒字形更清楚，故选作关键帧。区间持续至视频结束，末尾没有后续采样帧。","start_frame":324,"end_frame":336,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[333.3,285.2,671.9,367.6],"positive_points":[[337.5,310.2],[377.1,326.9],[448,325],[476,329],[550.5,338],[666.1,345.4]],"negative_points":[[497,246],[725,325],[534,411],[406,529]],"evidence":"目标为奶油色介绍区上沿后方露出的超大标题“Real human”。边界框紧贴可见字形，底部止于前景遮挡处；六个正点分布于不同字母笔画，负点位于上方和右侧绿色背景、下方奶油色区域及介绍段落。"}}]}
+{"video_id":66,"video_type":"desktop and application interfaces","targets":[{"name":"Navigation map card","description":"Rounded rectangular map illustration with pale gray city blocks, white roads, a green park, a “Find” heading, a red destination pin, and a dark gray forward-arrow button. It provides the setting for the car animation.","membership":"Include the card’s rounded boundary, map surface, and all contents within it, including the car and route when visible. Exclude the surrounding white workspace and editor interface.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":2.5,"reference_s":0,"evidence":"目标是包含浅灰街区、白色道路、绿色公园、“Find”标题、红色定位针和深灰箭头按钮的圆角地图卡片，包含其中的汽车与路线。首个合格帧为0.00秒，最后合格帧为2.25秒；2.50秒画面平移后，卡片右侧被画面边界裁切，因此结束于2.50秒。视频起点之前没有采样帧。选择0.00秒作为关键帧，卡片完整清晰，且没有后续出现的路线编辑节点干扰。","start_frame":0,"end_frame":60,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[8,94,993,780],"positive_points":[[257,170],[180,338],[197,579],[634,374],[842,324],[834,692]],"negative_points":[[490,51],[185,827],[803,857],[505,936]],"evidence":"目标是画面中带“Find”标题的圆角导航地图卡片。边界框紧贴卡片外缘，包含地图、绿地、汽车、路线、目的地图钉和箭头按钮。正点分布在标题、汽车、绿地、街区、图钉及按钮上；负点位于卡片外的白色工作区和底部编辑器界面。"}},{"name":"Yellow car","description":"Small top-down yellow car with dark windows, initially positioned at the upper-left end of the route. It is selected, rotated, and animated along the map’s streets toward the destination pin.","membership":"Include the complete car silhouette and its visible body details. Exclude selection boxes, transform handles, pivot markers, the cursor, and the route beneath it.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":0,"evidence":"目标是路线左上端的黄色俯视汽车，具有深色车窗和完整黄色车身，不包括选择框、控制柄或路线。首个合格帧为0.00秒，最后为4.75秒；5.00秒画面平移后汽车开始被左侧边界裁切，因此结束本次连续出现。视频起点之前没有采样帧。选择0.00秒作为关键帧，汽车完整清晰，且没有选择框和控制柄遮挡。","start_frame":0,"end_frame":120,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[120.1,300.9,238.5,375.0],"positive_points":[[149.7,309.3],[144.7,319.4],[174.3,327.8],[190.8,341.7],[197.4,352.8],[215.5,362.0]],"negative_points":[[106.9,338.0],[241.8,318.5],[251.6,385.2],[143.1,377.8]],"evidence":"目标是地图路线左上端斜放的黄色俯视汽车。边界框紧贴完整车身及可见外凸细节；六个正点分布在黄色车体和深色车窗上，四个负点位于车外地图背景及下方路线，排除路线和其他非汽车内容。"}},{"name":"Curved route and motion path","description":"Open winding path connecting the car’s initial position to the red destination pin. Initially a dark blue route, it is edited with curve handles and then used as the car’s motion path.","membership":"Include only the visible open path stroke along its bends, including its selected rendering. Do not include the area between its ends or inside its bends. Exclude editing nodes, tangent handles, selection boundaries, the car, and the destination pin.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":2.5,"reference_s":0,"evidence":"目标是从黄色汽车初始位置蜿蜒通向红色定位针的深蓝色开放路径，仅计路径笔画，不计节点、切线手柄或选择框。首个合格帧为0.00秒，路径已完整呈现；编辑时的弯曲变形仍属同一路径。最后合格帧为2.25秒，紧邻的2.50秒帧中路径右侧因视图移动而被画面边界裁切，因此结束。视频起点前无采样帧。选择0.00秒作关键帧，因为路径完整清晰，且没有编辑节点和手柄干扰。","start_frame":0,"end_frame":60,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[217,345,928,521],"positive_points":[[255,392],[345,436],[470,373],[605,490],[737,495],[888,387]],"negative_points":[[179,337],[839,303],[706,292],[90,566]],"evidence":"目标是从黄色汽车下方延伸、沿道路多次弯折并到达红色定位针底端的深蓝色开放路径。边界框紧贴可见路径的整体范围；六个正点分布于两端及各段弯折笔画，负点位于汽车、定位针和远离路径的地图背景上，不标记弯道内部空白。"}},{"name":"Animation timeline","description":"Dark horizontal editing panel below the workspace, containing playback controls, a time readout, an “Animate” button, a seconds ruler, and a position track with diamond keyframes. It is used to scrub and adjust the car animation.","membership":"Include the timeline panel surface, controls, ruler, playhead, tracks, and keyframes. Exclude the map workspace above and unrelated application bars.","id":"obj_004","temporal":{"status":"found","start_s":9.75,"end_s":11.5,"reference_s":10.25,"evidence":"目标是工作区下方的深色动画时间轴，可见播放控件、时间读数、“Animate”按钮、秒刻度、播放头及菱形关键帧轨道。本次连续完整出现从9.75秒至11.25秒；前一帧9.50秒面板仍在进入画面，下部被裁切，后一帧11.50秒视图移向属性栏，时间轴已被画面底边裁切。选择10.25秒作为关键帧，面板结构和关键帧轨道清晰、无遮挡。","start_frame":234,"end_frame":276,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[0,819.4,1000,974.1],"positive_points":[[17,850],[292,850],[575,854],[189,889],[750,909],[452,947]],"negative_points":[[510,765],[809,630],[166,470],[628,987]],"evidence":"目标是工作区下方的深色动画时间轴，包含播放控件、时间读数、Animate 按钮、秒刻度、播放头及菱形关键帧轨道。边框覆盖该面板至底部缩放状态栏上缘；正点分布在控件、刻度、轨道、关键帧和面板表面，负点位于上方地图、空白工作区及底部无关状态栏。"}},{"name":"Tool selection menu","description":"Compact dark dropdown beneath the upper toolbar showing “Transform tool,” “Node tool,” and “Resize tool,” with the transform option highlighted.","membership":"Include the dropdown boundary, background, option labels, icons, shortcut letters, and selection highlight. Exclude the surrounding toolbar and cursor.","id":"obj_005","temporal":{"status":"found","start_s":3.0,"end_s":3.75,"reference_s":3.25,"evidence":"目标是上方工具栏下的深色下拉菜单，包含 Transform tool、Node tool、Resize tool 及图标、快捷键字母。3.00秒菜单边界和内容已完整显示，3.25秒起 Transform tool 呈蓝色高亮；高亮变化不改变菜单身份。最后 qualifying 帧为3.50秒。此前2.75秒菜单尚未出现，此后3.75秒菜单已关闭。选择3.25秒作为关键帧，菜单完整清晰且高亮明确。","start_frame":72,"end_frame":90,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[217.1,39.8,597,147.2],"positive_points":[[246.7,59.3],[509.9,59.3],[335.5,91.7],[564.1,91.7],[338.8,122.2],[243.4,135.2]],"negative_points":[[449,17.6],[657.9,111.1],[184.2,170.4],[403,68.5]],"evidence":"目标是上方工具栏下的深色下拉菜单，包含 Transform tool、Node tool、Resize tool 三项，首项呈蓝色高亮。边框紧贴菜单可见边界，覆盖背景、文字、图标和快捷键。正点分布在高亮项及下方两项；负点位于外围工具栏、白色背景及明确排除的手形光标上。"}},{"name":"Group properties panel","description":"Dark right-hand inspector for the selected car group, showing “Group,” position and size fields, “Save to library,” “Set motion path,” and the “Transforms,” “Appearance,” and “Filters” sections. Its rotation-related control is used to change how the car follows the path.","membership":"Include the inspector’s surface and all controls, labels, values, and section boundaries within it. Exclude the upper application toolbar, adjacent canvas, cursor, and the separately floating motion-path dialog.","id":"obj_006","temporal":{"status":"found","start_s":5.25,"end_s":9.25,"reference_s":5.5,"evidence":"目标是右侧深色“Group”属性检查器，包含位置、尺寸、Save to library、Set motion path，以及 Transforms、Appearance、Filters 区域；不含顶部工具栏和独立浮动对话框。首个合格帧为5.25秒，末个为9.00秒；此前5.00秒未显示该面板，之后9.25秒面板已消失。期间浮动对话框的局部遮挡不改变面板的连续存在。选择5.50秒作为关键帧，面板边界和内部控件清晰，尚无浮动对话框遮挡。","start_frame":126,"end_frame":222,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[442,110,1000,1000],"positive_points":[[705,128],[513,205],[731,289],[639,420],[717,685],[572,934]],"negative_points":[[319,177],[247,534],[752,49],[816,256]],"evidence":"目标是右侧带有“Group”标题及 Transforms、Appearance、Filters 分区的深色属性检查器。边框覆盖标题以下至图像底部的面板表面与全部控件，不含上方工具栏和左侧画布。正点分布于标题、字段、按钮及下部面板；负点位于左侧画布、上方工具栏和“Save to library”旁的鼠标指针上。"}},{"name":"Set motion path dialog","description":"Floating dark dialog titled “Set motion path.” It first prompts “Select an object to set as motion path,” then shows “Motion path: Path,” timing fields labeled “Start,” “End,” and “Duration,” and “Cancel” and “Done” buttons.","membership":"Include the entire dialog surface, boundary, instructional graphics, text, timing fields, and buttons as its contents update. Exclude the underlying map and inspector, the cursor, and path-selection indicators on the canvas.","id":"obj_007","temporal":{"status":"found","start_s":6.0,"end_s":9.25,"reference_s":7.75,"evidence":"目标是标题为“Set motion path”的浮动深色对话框，内容从选择对象提示更新为路径名称、Start／End／Duration 时间字段及 Cancel、Done 按钮。首个完整帧为6.00秒，最后完整帧为9.00秒；此前5.75秒仅有检查器中的入口按钮，之后9.25秒对话框已消失。选择7.75秒作为关键帧，因为对话框边界及各项控件完整清晰，便于标注整个面板。","start_frame":144,"end_frame":222,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[39.5,137,565.8,416.7],"positive_points":[[298,164],[179,221],[141,291],[435,291],[297,382],[456,382]],"negative_points":[[275,503],[710,255],[706,475],[358,50]],"evidence":"根据“Set motion path”标题、“Motion path: Path”、三个时间输入框以及 Cancel、Done 按钮识别出浮动对话框。边界框覆盖整个深色弹窗表面及其内容；正点分布于标题、路径信息、时间字段和两个按钮，负点位于外部地图、右侧检查器及顶部工具栏，避开弹窗内的光标。"}}]}
+{"video_id":67,"video_type":"desktop and application interfaces","targets":[{"name":"Window-transfer title","description":"Large blue Chinese title “转移窗口” centered on the opening tutorial card.","membership":"Includes only the four title characters; excludes the pale background and sparkle effects.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0.5,"evidence":"目标为开场教程卡中央完整显示的蓝色四字标题“转移窗口”，不包含背景和闪光装饰。首个合格帧为0.00秒，最后一个为1.00秒；区间从视频起点开始，无更早采样帧。紧邻的1.25秒已切换到浏览器管理界面，标题消失。选择0.50秒作为关键帧，标题清晰完整且无遮挡。","start_frame":0,"end_frame":30,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[242.2,347.2,771.4,567.6],"positive_points":[[261,389],[324,444],[406,463],[466,531],[625,491],[719,382]],"negative_points":[[490,250],[185,456],[828,463],[469,652]],"evidence":"目标为画面中央的大号蓝色“转移窗口”四字标题。边界框紧贴四个字的可见范围，不计背景及外溢星光效果；六个正点分布在四字的蓝色笔画上，四个负点位于标题上方、左右的浅色背景及下方独立说明文字处。"}},{"name":"Window-transfer introduction","description":"Opening explanatory sentence “支持将窗口转移给其他用户，同步转移窗口数据。” beneath the title.","membership":"Includes the complete sentence and punctuation; excludes the surrounding selection-style outline, corner handles, and decorative pointer.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0.5,"evidence":"目标为开场标题“转移窗口”下方的完整说明句“支持将窗口转移给其他用户，同步转移窗口数据。”，不含外框、角点和指针。首个合格帧为0.00秒，最后为1.00秒，句子始终完整清晰；1.25秒已切换至环境管理界面，目标消失。区间起点即视频开头，无更早帧。选择0.50秒作为关键帧，文字完整且无遮挡，便于标注。","start_frame":0,"end_frame":30,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[145.8,627.8,865.6,685.2],"positive_points":[[160.9,636.1],[289.1,661.1],[425.5,643.5],[489.1,654.6],[760.4,639.8],[828.1,658.3]],"negative_points":[[500,601.8],[116,598],[891,724],[583,466]],"evidence":"目标是标题下方的完整说明句“支持将窗口转移给其他用户，同步转移窗口数据。”。边界框覆盖整句文字及句末标点，不包含外围选择框、角点手柄和指针。六个正点分散在句子不同位置的文字笔画上；负点位于上方框线、左上手柄、右下装饰指针及大标题上。"}},{"name":"Browser-environment table","description":"The main environment-management table in P1 Browser, listing profiles such as p1B-88 through p1B-80 with system, proxy, account, name, group, tag, and operation information. It remains behind the transfer dialog and later shows transfer status.","membership":"Includes the table surface, boundary, column headers, rows, checkboxes, and row operation controls. Excludes the application shell, sidebar, filter controls above, pagination below, floating batch-action bar, dialog, and tutorial captions.","id":"obj_003","temporal":{"status":"found","start_s":1.25,"end_s":24.0,"reference_s":2.75,"evidence":"通过 p1B-88 至 p1B-80 等配置行、列标题、复选框及右侧启动按钮识别主环境表格。首个合格帧为1.25秒，前一帧1.00秒仍是教程标题页。表格随后随画面缩放并被转移对话框局部遮挡，但持续存在，末帧23.75秒仍显示且部分行新增“转移中”状态；区间达到视频末尾，无后续帧。选择2.75秒为关键帧，此时表格完整清晰，没有对话框、浮动批量操作栏或教程字幕遮挡。","start_frame":30,"end_frame":576,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[208.3,226.9,924.5,891.7],"positive_points":[[257,249],[220,438],[435,372],[520,573],[691,773],[864,840]],"negative_points":[[484,193],[121,356],[665,926],[233,71]],"evidence":"根据表头及 p1B-88 至 p1B-80 的环境记录识别主表格。边界框覆盖表头、全部可见行、复选框、右侧启动及更多操作按钮和底部表格边界。正点分布于表头、行复选框、名称、分组、标签和操作控件；负点位于上方筛选栏、左侧导航、下方分页及应用标题区域，均不属于表格。"}},{"name":"fb5 browser-profile row","description":"The first table row, identified by “p1B-88” and “fb5”, with a computer icon, proxy icon, Facebook icon, and “测试” group. It is selected for transfer and later displays “转移中”.","membership":"Includes the complete row from its selection checkbox through its operation controls, including its background and all cell contents. Excludes the header and neighboring rows.","id":"obj_004","temporal":{"status":"found","start_s":1.25,"end_s":3.0,"reference_s":2.75,"evidence":"通过首行的“p1B-88”“fb5”、电脑/代理/Facebook图标及“测试”分组识别目标。1.25秒首次完整显示从选择框到右侧操作控件的整行，2.75秒为最后一个完整帧；此前1.00秒仍是标题页，随后3.00秒画面放大，整行右侧操作区域被图像边界裁切。选择2.75秒作为关键帧，整行清晰完整且无遮挡。","start_frame":30,"end_frame":72,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[208.3,272.2,924,338.9],"positive_points":[[220.8,304.6],[304.8,305.6],[434.9,306.5],[517.2,307.4],[690.1,306.5],[867.7,305.6]],"negative_points":[[435.4,249.1],[434.9,372.2],[130.7,308.3],[865.1,439.8]],"evidence":"通过首行的“p1B-88”“fb5”、电脑及 Facebook 图标和“测试”分组识别目标。边界框覆盖从左侧选择框到右侧启动按钮及更多操作的完整行背景和内容。正点分布于选择框、图标、名称、分组、标签及操作区；负点位于表头、相邻行和左侧导航区。"}},{"name":"fb4 browser-profile row","description":"The second table row, identified by “p1B-87” and “fb4”, with a Windows icon, proxy icon, Facebook icon, and “测试” group. It is also selected for transfer and later displays “转移中”.","membership":"Includes the complete row from its selection checkbox through its operation controls, including its background and all cell contents. Excludes neighboring rows.","id":"obj_005","temporal":{"status":"found","start_s":1.25,"end_s":3.0,"reference_s":2.75,"evidence":"通过第二行的“p1B-87”“fb4”、Windows／代理／Facebook图标及“测试”分组识别目标。首个合格帧为1.25秒，整行从复选框到右侧操作控件完整显示；此前1.00秒仍是教程标题页。最后合格帧为2.75秒，紧接的3.00秒因画面放大，行右侧操作区域被图像边界裁切。选择2.75秒作关键帧，整行清晰完整，且无字幕遮挡。","start_frame":30,"end_frame":72,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[208.3,338.9,924,406.5],"positive_points":[[220.8,370.4],[255.7,373.1],[390.6,372.2],[517.7,373.1],[627.6,381.5],[866.7,372.2]],"negative_points":[[434.9,305.6],[517.7,440.7],[865.6,439.8],[181.3,371.3]],"evidence":"根据第二行的“p1B-87”“fb4”、Windows及Facebook图标和“测试”分组确定目标。边界框覆盖该行从左侧复选框到右侧启动及更多操作按钮的完整背景和内容。六个正点分布于复选框、编号、图标、分组、行背景和操作按钮；负点位于上下相邻行及左侧行外区域。"}},{"name":"Open-P1 instruction","description":"Lower-center tutorial caption “首先打开p1” accompanying the initial application view.","membership":"Includes only the caption lettering; excludes its black rounded backing and the underlying application.","id":"obj_006","temporal":{"status":"found","start_s":1.25,"end_s":2.75,"reference_s":2.0,"evidence":"目标为初始应用界面下方居中的白色字幕“首先打开p1”，仅包含文字，不含黑色圆角底板。首个完整出现帧为1.25秒，最后 qualifying 帧为2.50秒；前一帧1.00秒仍是标题页，没有该字幕，后一帧2.75秒字幕已消失。选择2.00秒作为关键帧，文字完整清晰、无遮挡。","start_frame":30,"end_frame":66,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[441.1,878.7,558.9,921.3],"positive_points":[[443.8,909.3],[468.8,898.1],[487.5,897.2],[514.6,884.3],[532.3,912.0],[553.6,899.1]],"negative_points":[[500.0,866.7],[500.0,933.3],[433.9,900.9],[566.1,900.9]],"evidence":"目标是画面下方中央黑色圆角底板上的“首先打开p1”。边界框仅覆盖整段白色字幕字形；六个正点分布在各字及字母数字笔画上，四个负点位于字幕外围的黑色底板，排除底板和应用界面。"}},{"name":"Select-windows instruction","description":"Lower-center caption “选择需要转移的窗口” accompanying selection of the first two profiles.","membership":"Includes the complete caption text; excludes the black backing, cursor highlight, and application content.","id":"obj_007","temporal":{"status":"found","start_s":3.25,"end_s":5.25,"reference_s":4.0,"evidence":"目标为画面下方中央的完整字幕“选择需要转移的窗口”，不含黑色底板。首次完整出现于3.25秒，最后符合条件的帧为5.00秒；此前3.00秒尚无该字幕，此后5.25秒字幕已消失。选择4.00秒作为关键帧，文字清晰完整，无遮挡，且对应勾选前两个配置的操作。","start_frame":78,"end_frame":126,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[397.4,880.6,602.1,920.4],"positive_points":[[404.7,913.9],[430.7,900.9],[453.1,884.3],[494.3,902.8],[546.4,888.9],[590.6,886.1]],"negative_points":[[468.8,931.5],[520.8,868.5],[625,857.4],[299.5,532.4]],"evidence":"目标是图像下方中央的白色字幕“选择需要转移的窗口”。边界框紧贴完整文字，不包含黑色衬底；六个正点分布在不同汉字的笔画上，负点位于文字外的黑色衬底、应用界面和黄色光标高亮处。"}},{"name":"Batch transfer button","description":"The “转移窗口” button near the right end of the floating batch-action bar that appears after profiles are selected. It is clicked to open the transfer dialog.","membership":"Includes the button surface, outline, transfer icon, and label. Excludes neighboring batch actions, the selection counter, and cursor or click effects.","id":"obj_008","temporal":{"status":"found","start_s":5.25,"end_s":9.5,"reference_s":6.0,"evidence":"目标为选中配置后出现的浮动批量操作栏右侧“转移窗口”按钮，含转移图标、文字及按钮边框。首个完整可见帧为5.25秒，5.00秒尚未显示该操作栏；最后符合帧为9.25秒，9.50秒画面放大后按钮移出画面。期间弹窗仅使背景变暗，按钮仍持续存在。选择6.00秒作为关键帧，按钮结构完整，无遮挡且光标未覆盖。","start_frame":126,"end_frame":228,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[660.9,832.4,726.6,870.4],"positive_points":[[666.7,843.5],[675.5,851.9],[688.0,852.8],[704.2,850.9],[717.7,843.5],[720.8,861.1]],"negative_points":[[623.4,851.9],[744.8,851.9],[553.1,851.9],[692.7,896.3]],"evidence":"目标是底部浮动批量操作栏右端、三点菜单左侧的“转移窗口”按钮。框覆盖按钮表面、边框、转移图标及文字；正点分布于按钮内部及图文区域，负点位于相邻批量填充、关闭窗口、三点菜单和下方外部背景。"}},{"name":"Open-transfer instruction","description":"Lower-center caption “点击右下角转移窗口” accompanying activation of the batch transfer button and opening of the dialog.","membership":"Includes only the caption text; excludes its black backing and all interface elements.","id":"obj_009","temporal":{"status":"found","start_s":6.25,"end_s":8.25,"reference_s":6.5,"evidence":"目标为画面下方中央的文字“点击右下角转移窗口”，仅计文字，不含黑色底框。首个完整呈现帧为6.25秒，最后 qualifying 帧为8.00秒；此前6.00秒无该字幕，此后8.25秒字幕已消失。选择6.50秒为关键帧，文字完整清晰且无遮挡，便于与界面元素区分。","start_frame":150,"end_frame":198,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[397.4,880.6,601.6,919.4],"positive_points":[[409.4,887.9],[430.2,888.0],[475.5,887.0],[520.3,904.6],[566.1,888.9],[599.0,904.6]],"negative_points":[[496.9,867.6],[495.8,931.5],[692.7,849.1],[627.1,900.9]],"evidence":"目标是画面下方中央的白色字幕“点击右下角转移窗口”。边界框仅覆盖整段文字，不包含黑色底板；六个正点分布在文字笔画上，负点位于文字上下的黑色底板、上方转移按钮和右侧界面区域。"}},{"name":"Window-transfer dialog","description":"White rounded dialog headed “转移窗口”, appearing over the dimmed environment table. It contains an amber warning, transfer-method selector, recipient settings, validity control, proxy option, and confirmation controls. Its contents and height change when transfer methods are switched.","membership":"Includes the entire dialog surface, rounded boundary, heading, close control, warning strip, fields, selectors, and buttons. Separately listed child controls remain part of this region. Excludes the dimmed page, external captions, cursor effects, and drop shadow.","id":"obj_010","temporal":{"status":"found","start_s":8.0,"end_s":22.25,"reference_s":17.5,"evidence":"目标为 dimmed 环境表格上方、标题“转移窗口”的白色圆角弹窗，包含警告条、转移方式、用户设置及确认按钮。首个合格帧为8.00秒，弹窗边界完整；此前7.75秒顶部仍被画面边缘裁切。最后合格帧为22.00秒，22.25秒已开始淡出。切换方式时内容和高度变化仍属同一弹窗。选择17.50秒作关键帧，弹窗较大、轮廓清晰，内部设置完整且遮挡少。","start_frame":192,"end_frame":534,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[241.1,97.2,758.9,825],"positive_points":[[290,145],[510,228],[391,325],[551,410],[422,574],[702,770]],"negative_points":[[180,450],[820,450],[500,60],[500,895]],"evidence":"目标是中央标题为“转移窗口”的白色圆角对话框。边界框紧贴对话框可见外缘，覆盖警告条、转移选项、用户设置、有效期和底部按钮，不含外部阴影及光标效果。正点分布在标题、警告条及各主要控件上；负点位于对话框四周的变暗页面。"}},{"name":"Transfer-method selector","description":"Two-option segmented control labeled “用户转移” and “密钥领取” near the top of the dialog. The demonstration switches to key collection and then back to user transfer.","membership":"Includes both adjoining segments, their surfaces, shared boundary, labels, and selected-state fill. Excludes the adjacent “转移方式” field label and other dialog contents.","id":"obj_011","temporal":{"status":"found","start_s":7.75,"end_s":22.25,"reference_s":13.25,"evidence":"目标是弹窗顶部由“用户转移”和“密钥领取”组成的双段选择控件，包含两段表面及选中填色。首次完整可见于7.75秒，7.50秒时该控件仍在画面上边界之外；其后切换选项但控件持续存在。最后合格帧为22.00秒，22.25秒已随弹窗开始淡出。选择13.25秒作为关键帧，此时控件��大、边界和文字清楚，且无光标遮挡。","start_frame":186,"end_frame":534,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[350.5,298.1,513.5,351.9],"positive_points":[[361,317],[390,325],[420,340],[441,313],[471,326],[504,338]],"negative_points":[[311,325],[469,276],[480,369],[567,409]],"evidence":"目标是弹窗上方由“用户转移”和“密钥领取”组成的双段选择控件，左段为蓝色选中状态。边界框覆盖两个相邻分段的表面、文字和边框；六个正点分布在两段内部，负点位于左侧“转移方式”标签、控件上下方空白及下方目标用户输入框，均排除在目标之外。"}},{"name":"Recipient account field","description":"The dialog’s “目标用户” input, initially prompting “请输入完整用户名精确搜索”. It is later filled with “1234567890@qq.com” and resolves to “pp店铺 (1234567890@qq.com)”. It disappears in key-collection mode.","membership":"Includes the input surface, border, placeholder or entered value, and associated “目标用户” label and required marker. Excludes the autocomplete popup and the target-department field below.","id":"obj_012","temporal":{"status":"found","start_s":7.5,"end_s":10.75,"reference_s":10.0,"evidence":"目标为转移窗口弹窗中带必填标记及“目标用户”标签的输入框，框内显示“请输入完整用户名精确搜索”。首次合格帧为7.50秒，之前7.25秒仍处于弹窗淡入阶段；最后合格帧为10.50秒，10.75秒切换密钥领取模式后该字段消失。选择10.00秒为关键帧，字段及标签完整清晰，鼠标未遮挡目标。","start_frame":180,"end_frame":258,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[279.2,377.8,741.7,435.6],"positive_points":[[282.3,402.8],[295.3,409.3],[418.8,409.3],[568.2,405.6],[690.6,412],[729.2,419.4]],"negative_points":[[545.3,490.7],[392.7,325],[422.4,573.1],[256.3,407.4]],"evidence":"目标为弹窗中显示“请输入完整用户名精确搜索”的“目标用户”输入项。边界框覆盖必填星号、标签及完整输入框表面和边框；正点分布在星号、标签、占位文字和输入框表面，负点位于下方目标部门框、上方转移方式按钮、有效期控件及左侧外部空白。"}},{"name":"Proxy-transfer option","description":"The dialog’s “赠送代理” setting, presented as a switch between “否” and “是”. It remains off while the tutorial explains whether to retain the proxy IP.","membership":"Includes the setting label, both option labels, and the complete switch track and thumb. Excludes the validity control above, surrounding blank dialog surface, and cursor effects.","id":"obj_013","temporal":{"status":"found","start_s":7.5,"end_s":22.25,"reference_s":18.0,"evidence":"目标为转移窗口弹窗中的“赠送代理”标签、“否 / 是”文字及灰色关闭状态的完整开关。首个符合条件的帧为7.50秒，7.25秒弹窗及该设置仍在淡入；最后符合条件的帧为22.00秒，22.25秒已开始淡出。期间弹窗缩放、布局变化未中断该设置的持续出现。选择18.00秒作为关键帧，标签和完整开关清晰可见，且无光标遮挡。","start_frame":180,"end_frame":534,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[286.5,641.7,434.4,676.9],"positive_points":[[292.2,652.8],[322.9,660.2],[357.8,660.2],[383.9,659.3],[404.2,657.4],[427.1,659.3]],"negative_points":[[421.9,574.1],[318.8,709.3],[453.1,658.3],[313.0,616.7]],"evidence":"已定位弹窗下部关闭状态的“赠送代理”设置。框覆盖设置名称、“否”“是”及完整开关轨道和滑块；正点分布于文字笔画、滑块和轨道，负点位于上方有效期控件、下方光标效果及周围空白，均不属于目标。"}},{"name":"Confirm-transfer button","description":"Blue “确认转移” button at the lower right of the dialog, clicked after the recipient is chosen. A loading indicator briefly appears inside it.","membership":"Includes the button surface, rounded boundary, label, and internal loading indicator when present. Excludes the adjacent cancel button and click highlights.","id":"obj_014","temporal":{"status":"found","start_s":7.5,"end_s":22.25,"reference_s":19.5,"evidence":"目标是转移窗口对话框右下角的蓝色圆角“确认转移”按钮，包含后续出现的内部加载指示。7.25秒仍处于对话框淡入阶段，7.5秒按钮表面、边界及文字已完整呈现；最后合格帧为22.0秒，22.25秒开始随对话框淡出。19.5秒按钮清晰完整，未被鼠标或点击光圈遮挡，适合作为空间标注关键帧。","start_frame":180,"end_frame":534,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[659.4,742.6,742.7,796.3],"positive_points":[[670,756],[695,760],[725,755],[676,782],[706,778],[735,782]],"negative_points":[[620,770],[436,720],[700,707],[700,813]],"evidence":"目标是弹窗右下角蓝色“确认转移”按钮。边界框紧贴按钮可见的圆角边界，包含蓝色���面和文字；当前未见加载指示。正点分布在按钮表面及标签区域，负点位于左侧取消按钮、黄色鼠标高亮及按钮上下方的外部背景，排除阴影和点击高亮。"}},{"name":"Two-transfer-types instruction","description":"Lower-center caption “支持两种转移类型” accompanying the transfer-method demonstration.","membership":"Includes only the complete caption text; excludes its black backing and the dialog.","id":"obj_015","temporal":{"status":"found","start_s":8.75,"end_s":10.5,"reference_s":9.75,"evidence":"目标为画面下方中央的完整文字“支持两种转移类型”，不包含黑色底板和对话框。首个 qualifying 帧为8.75秒，最后一帧为10.25秒；紧邻之前的8.50秒和之后的10.50秒均没有该字幕。选择9.75秒作为关键帧，文字完整清晰、无遮挡，便于单独标注。","start_frame":210,"end_frame":252,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[408.9,880.6,591.1,919.4],"positive_points":[[419.3,883.3],[437.5,903.7],[463.0,884.3],[486.5,902.8],[534.4,898.1],[581.3,912.0]],"negative_points":[[500.0,867.6],[500.0,930.6],[402.6,902.8],[520.8,740.7]],"evidence":"目标是画面下方中央的白色字幕“支持两种转移类型”。边界框仅覆盖完整文字，不包含黑色底板；六个正点分布于不同汉字的笔画上，负点位于文字外的黑色底板及上方对话框区域。"}},{"name":"User-transfer demonstration instruction","description":"Lower-center caption “这里以用户转移演示” as the demonstration switches back from key collection.","membership":"Includes only the caption text; excludes its black rounded backing and the application.","id":"obj_016","temporal":{"status":"found","start_s":12.0,"end_s":14.0,"reference_s":13.25,"evidence":"目标为画面下方中央的白色字幕“这里以用户转移演示”，仅计文字，不含黑色圆角底板。首次完整出现于12.00秒，最后 qualifying 帧为13.75秒；此前11.75秒及此后14.00秒均无该字幕。13.25秒文字清晰完整、无遮挡，适合作为空间标注关键帧。","start_frame":288,"end_frame":336,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[396.4,880.6,603.1,919.4],"positive_points":[[406.8,913.9],[423.9,885.2],[470.8,886.1],[517.7,900.9],[569.3,891.7],[592.2,886.1]],"negative_points":[[498.4,868.5],[498.4,930.6],[369.8,899.1],[632.8,899.1]],"evidence":"目标是图像下方中央的字幕“这里以用户转移演示”。边界框仅覆盖完整文字，不包含黑色圆角底板。六个正点分布在字幕不同汉字的笔画上；负点位于文字上、下方的黑色底板及左右外侧的应用背景。"}},{"name":"Recipient account field, restored","description":"The “目标用户” input restored when “用户转移” is selected again. The demonstration focuses it, enters “1234567890@qq.com”, and selects the matching “pp店铺” account.","membership":"Includes the field’s surface, border, placeholder or displayed recipient value, and associated “目标用户” label and required marker. Excludes the separate suggestion popup and the department field below.","id":"obj_017","temporal":{"status":"found","start_s":12.75,"end_s":22.25,"reference_s":17.5,"evidence":"目标是重新切回“用户转移”后恢复的“目标用户”输入框，包含标签、必填标记、边框和接收账号内容，不含建议弹层及下方部门框。12.50秒该字段尚未恢复，12.75秒已完整呈现；随后输入邮箱并选中“pp店铺”。最后合格帧为22.00秒，22.25秒随对话框开始淡出。选择17.50秒为关键帧，此时账号已选定、建议弹层已关闭，字段及标签清晰且无遮挡。","start_frame":306,"end_frame":534,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[277.1,379.6,743.2,437],"positive_points":[[280,403],[306,409],[383,410],[507,410],[614,404],[729,419]],"negative_points":[[498,492],[391,325],[312,495],[574,361]],"evidence":"“用户转移”已选中，“目标用户”框显示已匹配的“pp店铺 (1234567890@qq.com)”。边界框覆盖必填星号、目标用户标签及完整输入框。正点分布于星号、标签、账户文字和输入框表面；负点位于上方转移方式按钮、框外空白及下方目标部门标签和字段，不包含建议弹窗。"}},{"name":"Enter-recipient instruction","description":"Lower-center caption “输入目标用户账号” accompanying entry of the recipient account.","membership":"Includes only the caption lettering; excludes its black backing and the interface behind it.","id":"obj_018","temporal":{"status":"found","start_s":14.25,"end_s":16.0,"reference_s":15.0,"evidence":"目标为画面下方中央的白色字幕“输入目标用户账号”，仅包含文字，不含黑色底板。首个完整出现帧为14.25秒，最后 qualifying 帧为15.75秒；此前14.00秒未显示该字幕，之后16.00秒字幕已消失。选择15.00秒作为关键帧，文字完整清晰、无遮挡，便于标注。","start_frame":342,"end_frame":384,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[408.3,880.6,591.1,920.4],"positive_points":[[414.1,902.8],[464.1,885.2],[483.3,892.6],[510.9,885.2],[552.6,886.1],[581.3,902.8]],"negative_points":[[402.6,900.9],[501.0,868.5],[501.0,931.5],[625.0,901.9]],"evidence":"目标是图像下方中央的“输入目标用户账号”字幕。边界框紧贴整段白色文字，不包含黑色衬底；六个正点分布在不同汉字笔画上，负点位于文字外围的黑色衬底及右侧界面背景。"}},{"name":"Recipient search suggestion","description":"White rounded autocomplete popup immediately below the recipient input, offering “pp店铺 (1234567890@qq.com)”. The result is clicked to choose the recipient.","membership":"Includes the popup surface, rounded boundary, and the complete account-result row. Excludes the input above, underlying department field, shadow, and cursor effects.","id":"obj_019","temporal":{"status":"found","start_s":15.5,"end_s":16.5,"reference_s":15.75,"evidence":"目标为收件人输入框下方的白色圆角自动补全弹层，完整显示“pp店铺 (1234567890@qq.com)”结果行。首个合格帧为15.50秒，最后合格帧为16.25秒；此前15.25秒尚无弹层，此后16.50秒弹层已开始淡出收起。选择15.75秒作为关键帧，弹层边界及完整结果清晰，光标未遮挡结果行。","start_frame":372,"end_frame":396,"reference_frame":378},"grounding":{"status":"found","bbox_xyxy":[351.6,448.1,742.2,537.0],"positive_points":[[366.1,476.9],[387.0,498.1],[508.3,498.1],[613.5,483.3],[725.0,505.6],[572.9,523.1]],"negative_points":[[572.9,407.4],[312.5,493.5],[421.9,574.1],[768.2,495.4]],"evidence":"目标是收件人输入框正下方、显示“pp店铺 (1234567890@qq.com)”的白色圆角建议弹层。边框覆盖弹层可见表面、顶部小尖角及完整结果行，不含阴影。正点分布于结果文字和弹层表面；负点位于上方输入框、左侧目标部门标签、下方有效期控件及右侧外部区域。"}},{"name":"Proxy-retention instruction","description":"Lower-center caption “可配置是否保留代理ip” while the completed recipient settings and proxy switch are shown.","membership":"Includes only the complete caption text; excludes the black backing and the dialog.","id":"obj_020","temporal":{"status":"found","start_s":17.75,"end_s":20.0,"reference_s":18.0,"evidence":"目标为画面下方中央完整字幕“可配置是否保留代理ip”，仅计文字，不含黑色底板及对话框。首个 qualifying 帧为17.75秒，最后为19.75秒；17.50秒尚无该字幕，20.00秒已替换为“点击确认转移”。选择18.00秒为关键帧，文字完整清晰且无遮挡，背景显示已填写的接收方设置和代理开关。","start_frame":426,"end_frame":480,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[386.5,879.6,613.5,923.1],"positive_points":[[394.3,883.3],[443.2,882.4],[466.7,903.7],[512.0,902.8],[552.1,896.3],[606.8,915.7]],"negative_points":[[495.8,865.7],[499.0,933.3],[676.0,768.5],[335.4,902.8]],"evidence":"目标是图像下方中央的白色字幕“可配置是否保留代理ip”。边框仅覆盖完整字幕文字，不包含黑色衬底或上方对话框；六个正点分布在字幕各处的字形笔画上，负点位于字幕外的黑色衬底、对话框及外围背景。"}},{"name":"Transfer-confirmation and collection instructions","description":"Lower-center caption block that first reads “点击确认转移” and then updates to “登录待领取账号，触发领取操作即可” as the transfer is submitted and the dialog closes.","membership":"Includes the currently displayed caption text as one updating block. Excludes the black rounded backing, application contents, and cursor effects.","id":"obj_021","temporal":{"status":"found","start_s":20.0,"end_s":24.0,"reference_s":23.25,"evidence":"目标为下方中央的更新字幕文字，不含黑色圆角底板。20.00秒首次完整显示“点击确认转移”，21.75秒更新为“登录待领取账号，触发领取操作即可”，持续至最后采样帧23.75秒。前一帧19.75秒仍为“可配置是否保留代理ip”，不属于目标；区间到达视频结尾，无后续帧。选择23.25秒作关键帧，此时长字幕完整清晰，无遮挡且易于与应用内容区分。","start_frame":480,"end_frame":576,"reference_frame":558},"grounding":{"status":"found","bbox_xyxy":[316.7,880.6,683.3,920.4],"positive_points":[[325,914.8],[351,889.8],[434.4,901.9],[503.6,909.3],[595.3,904.6],[672.4,885.2]],"negative_points":[[315.6,870.4],[687.5,923.1],[745.8,851.9],[654.2,604.6]],"evidence":"目标是画面下方中央当前显示的字幕“登录待领取账号，触发领取操作即可”。边界框仅覆盖整段白色文字，不含黑色圆角底板。六个正点分布在字幕不同位置的字形笔画上；负点位于黑色底板、应用界面及黄色光标效果处。"}},{"name":"Transfer-started notification","description":"Green success notification near the top center after submission, reading “转移已发起，等待对方接收。”","membership":"Includes the notification’s green surface, rounded boundary, success icon, and message. Excludes the application header beneath it.","id":"obj_022","temporal":{"status":"found","start_s":22.75,"end_s":24.0,"reference_s":23.25,"evidence":"目标为顶部中央的绿色成功通知，包含成功图标及“转移已发起，等待对方接收。”文字。22.75秒首次完整显示绿色表面和圆角边界，前一帧22.50秒通知仍被画面上沿裁切。最后合格帧为23.75秒，通知仍完整可见；区间延续至视频结束，无后续帧。选择23.25秒作为关键帧，通知清晰完整且无遮挡，与下方应用标题栏易于区分。","start_frame":546,"end_frame":576,"reference_frame":558},"grounding":{"status":"found","bbox_xyxy":[427.1,20.4,576.6,63.9],"positive_points":[[441.8,41.8],[462.5,42.5],[492.2,41.6],[526.5,42.8],[555.4,42.2],[568.5,55.4]],"negative_points":[[412,42],[591,36],[502,77],[561,10]],"evidence":"目标是顶部中央显示“转移已发起，等待对方接收。”的绿色成功通知。框覆盖完整浅绿色圆角表面、成功图标和文字，不包含下方应用页眉。正点分布于图标、消息及绿色表面，负点位于通知左右、上方及下方页眉区域。"}}]}
+{"video_id":68,"video_type":"2D games","targets":[{"name":"First gray puzzle board","description":"A light-gray square board containing a recessed dark-gray, L-shaped play area with a bottom notch. Two adjacent outlined goal squares sit near its upper left, one marked with two dots.","membership":"Include the board’s complete outer boundary, raised walls, recessed floor, goal markings, and pieces within it. Exclude the black surrounding background, floating decorative squares, and instructions outside the board.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":4.75,"reference_s":0.5,"evidence":"目标是浅灰色方形棋盘，具有深灰色L形凹陷区域、底部缺口，以及左上方相邻的两个目标框，其中一个带双点。首个合格帧为0.00秒，棋盘已完整呈现；最后合格帧为4.50秒。4.75秒画面切换为蓝色关卡总览，原棋盘仅以关卡缩略图形式出现，结束此次独立棋盘的呈现。区间始于视频开头，没有更早采样帧。选择0.50秒作为关键帧，因为外边界、墙体、目标标记和内部棋子均清晰可辨。","start_frame":0,"end_frame":114,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[269.3,89.8,730.2,909.3],"positive_points":[[289,126],[686,216],[641,858],[323,851],[397,316],[448,591]],"negative_points":[[225,403],[779,496],[480,53],[487,950]],"evidence":"目标为中央浅灰色方形棋盘，内有深灰色L形凹槽、底部缺口及左上方两个相邻目标框。边界框紧贴棋盘完整外缘，包含凸起墙壁、凹陷地面、目标标记和棋子。正点分布于棋盘外框、目标区域与棋子上；负点均位于棋盘外的黑色背景。"}},{"name":"Keyboard control legend","description":"The left-side legend showing boxed keys with the labels “Z” / “Undo”, “X” / “Redo”, “R” / “Reset puzzle”, and “Esc” / “Menu” beside the first puzzle.","membership":"Include all four key outlines, their enclosed letters, and their associated action labels. Exclude the separate note below and background decorations.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":4.75,"reference_s":0.5,"evidence":"目标是首个谜题左侧的四组方框按键及动作标签：Z/Undo、X/Redo、R/Reset puzzle、Esc/Menu，不包含下方说明。首个合格帧为0.00秒，末个为4.50秒，期间四组结构均完整可见；4.75秒切换为蓝色关卡地图，图例消失。区间起于视频开头，没有更早的采样帧。选择0.50秒作为关键帧，四组按键和标签清晰完整，便于与下方说明及背景装饰区分。","start_frame":0,"end_frame":114,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[93.75,105.56,186.46,725.93],"positive_points":[[135.42,108.33],[139.58,305.56],[136.46,475.93],[95.83,543.52],[132.81,649.07],[121.88,714.81]],"negative_points":[[140.1,825],[174.48,574.07],[291.67,370.37],[83.33,407.41]],"evidence":"目标是画面左侧四组键盘操作图例。边界框覆盖 Z、X、R、Esc 的方框和字母，以及 Undo、Redo、Reset puzzle、Menu 标签。正点分布在按键边框、键名字形及动作标签上；负点位于下方独立说明、灰色装饰方块、右侧谜题面板和外部黑色背景，均不属于图例。"}},{"name":"Reset undo note","description":"The two-line instruction “Note: You can undo a reset” below the first puzzle’s control legend.","membership":"Include only the complete text block. Exclude nearby key graphics and decorative squares.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":4.75,"reference_s":3.5,"evidence":"目标是首个谜题左侧控制说明下方的两行文字“Note: You can / undo a reset”，不包括按键图形和装饰方块。首个合格帧为0.00秒，文字已完整显示；最后合格帧为4.50秒。4.75秒切换到蓝色关卡地图，文字消失，因此区间结束于4.75秒。视频起点之前没有可检查的帧。选择3.50秒作为关键帧，文字完整清晰，便于独立标注。","start_frame":0,"end_frame":114,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[88,812,191.7,876],"positive_points":[[89.6,822.2],[135.4,816.7],[188.5,827.8],[96.4,865.7],[144.3,869.4],[182.3,866.7]],"negative_points":[[166.7,734.3],[136.5,713.9],[207.3,858.3],[143.2,905.6]],"evidence":"目标位于左下方控制说明下方，文字为两行“Note: You can”和“undo a reset”。边界框紧贴完整文字块；六个正点分布在两行字母笔画上，负点位于上方装饰方块、Menu文字及右侧和下方的黑色背景，排除其他元素。"}},{"name":"Magenta player block","description":"The movable magenta square with two dark circular eyes. Initially beside the yellow block in the first board’s lower-right passage, it subsequently appears on the blue level map and moves through the next puzzle and its nested blue room.","membership":"Include the solid magenta body, its outline, and both eyes, following its changing position and scale. Exclude trailing colored particles, cast shadows, and temporary highlighting.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":8,"evidence":"目标是带深色双眼和轮廓的实心洋红色玩家方块，不含拖尾粒子、阴影和临时高亮。它从首个棋盘连续转入蓝色地图、下一谜题及嵌套蓝色房间，位置与大小变化时仍可追踪。首个合格帧为0.00秒，最后为15.75秒，均完整可见；区间覆盖视频首尾，两端没有额外采样帧。选择8.00秒作为关键帧，此时方块位于棋盘左下方，形状清楚且无遮挡，容易与其他方块区分。","start_frame":0,"end_frame":384,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[320.3,726.9,372.4,818.5],"positive_points":[[327.1,744.4],[362.5,743.5],[333.3,768.5],[358.9,768.5],[329.2,801.9],[362.0,801.9]],"negative_points":[[346.4,719.4],[396.9,500.0],[448.4,407.4],[398.4,768.5]],"evidence":"目标是棋盘左下通道内带两个深色圆眼的洋红色方块。边界框紧贴其实体及深色轮廓，不含上方粒子和右侧阴影。六个正点分布于身体各部及双眼；负点位于上方粒子、黄色块、蓝色块和右侧灰色通道。"}},{"name":"First yellow block","description":"A plain golden-yellow movable square initially immediately left of the magenta player. It is moved around the first gray board and ultimately aligned beside the player over the paired goals.","membership":"Include the yellow face and its permanent edge outline. Exclude the adjacent player, particle trails, shadows, and temporary completion highlighting.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":4.75,"reference_s":1,"evidence":"目标是第一块灰色棋盘上、起初紧贴紫红色玩家左侧的金黄色方块，包含黄色面及固定边框。首个合格帧为0.00秒，视频起点之前无采样帧；最后合格帧为4.50秒，此时方块仍完整位于玩家右侧的目标位置。4.75秒已切换到蓝色关卡地图，原棋盘上的目标不再呈现。选择1.00秒作关键帧，黄色方块完整清晰，位于玩家下方，便于区分其边界与周围粒子。","start_frame":0,"end_frame":114,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[371.875,545.37,422.917,636.111],"positive_points":[[380.208,561.111],[411.458,562.963],[391.146,588.889],[414.063,617.593],[380.208,623.148],[373.438,592.593]],"negative_points":[[396.354,499.074],[432.813,573.148],[575.521,581.481],[448.958,602.778]],"evidence":"目标是灰色棋盘中紧贴品红玩家下方的金黄色方块。边界框仅覆盖黄色面及永久深色轮廓，不含阴影和粒子。六个正点分布于黄色面及左侧轮廓；四个负点位于上方玩家、右侧品红粒子、远处黄色粒子和灰色棋盘背景。"}},{"name":"Blue level map","description":"A square blue overview board with a dark-blue interior, connected rows of miniature puzzle previews, and a green preview tile near the bottom. The magenta player moves above and to the left of the previews.","membership":"Include the map’s blue outer frame, enclosed surface, connecting paths, puzzle thumbnails, bottom green tile, progress badge, and player while inside its boundary. Exclude the black background and floating gray decorations.","id":"obj_006","temporal":{"status":"found","start_s":4.75,"end_s":7.25,"reference_s":5.5,"evidence":"目标是带蓝色外框、深蓝底面、连线路径和成排关卡缩略图的总览板，底部有绿色预览块及进度徽章，紫红色玩家位于板内。首个完整呈现帧为4.75秒，最后符合帧为7.00秒；此前4.50秒仍是灰色单关谜题，此后7.25秒已切换为另一灰色谜题。选择5.50秒作为关键帧，地图边界��内部组件清晰完整，玩家易于辨认。","start_frame":114,"end_frame":174,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[269.8,89.8,730.2,909.3],"positive_points":[[596.4,120.4],[645.8,509.3],[457.3,347.2],[500.5,425.0],[455.2,575.9],[500.5,800.0]],"negative_points":[[223.4,435.2],[758.9,455.6],[802.1,667.6],[489.6,943.5]],"evidence":"目标是画面中央的方形蓝色关卡总览板。边界框紧贴整块蓝色外框，包含深蓝内部、连接路径、两排谜题缩略图、底部绿色预览与进度徽章，以及内部的洋红色玩家。正点分布在外框、内部表面、玩家和各层预览上；负点位于板外的灰色装饰及黑色背景。"}},{"name":"Level progress badge","description":"The rounded blue badge directly above the green bottom tile on the level map. Its fraction updates from “0/9” through “3/9”.","membership":"Include the badge’s complete blue shape and the numerator, dividing line, and denominator. Exclude the green tile beneath it, connecting path, and transient surrounding particles.","id":"obj_007","temporal":{"status":"found","start_s":4.75,"end_s":7.25,"reference_s":5.0,"evidence":"目标是关卡地图底部绿色方块正上方的圆角蓝色进度徽章，含分子、横线和分母，数值由0/9更新至3/9。首个合格帧为4.75秒，最后为7.00秒；此前4.50秒仍是关卡内部画面，没有徽章，之后7.25秒进入另一关卡，徽章消失。选择5.00秒作为关键帧，此时徽章轮廓和0/9清晰完整，无遮挡且易与下方绿色方块区分。","start_frame":114,"end_frame":174,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[478.6,686.1,521.4,761.1],"positive_points":[[487,699.1],[499,703.7],[500.5,723.1],[499.5,745.4],[515.6,723.1],[483.9,740.7]],"negative_points":[[500,798.1],[531.3,649.1],[458.3,706.5],[541.7,793.5]],"evidence":"目标是绿色底部方块正上方显示“0/9”的圆角蓝色徽章。框覆盖完整蓝色形状及分子、横线和分母；正点分布于蓝色表面和数字、分隔线，负点位于下方绿色方块、上方连接路径、左侧背景及右下方蓝色边框，均排除在目标外。"}},{"name":"Second gray puzzle board","description":"A light-gray board with a winding recessed passage: a lower-left starting chamber connects across the top to a narrow right-hand corridor and a lower-right goal area. A yellow block and a blue miniature room initially occupy its upper passage.","membership":"Include the entire board surface and boundary, raised walls, recessed passages, all three goal markings, and pieces within the board. Follow its visible extent during zooms; exclude the surrounding black background and external instructions.","id":"obj_008","temporal":{"status":"found","start_s":4.75,"end_s":16.0,"reference_s":7.5,"evidence":"目标以左下起始室、顶部横向通道、右侧窄廊及三个目标标记识别。4.75秒首次作为蓝色地图中下排最左侧的完整缩略棋盘出现，随后角色进入，7.25秒展开为同一棋盘；4.50秒仍是第一块灰色棋盘。按题意跟随缩放时的可见范围，后续放大蓝色内部房间时，外围灰色棋盘仍持续可见，最后合格帧为15.75秒，视频于16.0秒结束，无后续帧。7.50秒棋盘完整、布局清楚，适合空间标注。","start_frame":114,"end_frame":384,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[269.3,89.8,730.2,909.3],"positive_points":[[307.3,166.7],[447.4,409.3],[346.4,773.1],[498.4,679.6],[601.6,342.6],[682.3,838.9]],"negative_points":[[139.6,542.6],[786.5,500],[500,46.3],[500,949.1]],"evidence":"目标是中央浅灰色矩形棋盘，蜿蜒凹槽连接左下起始室、上方通道及右侧目标区，内有黄色、蓝色和紫红色棋子。边界框覆盖整块棋盘的外边界、表面、墙壁、通道、三个目标标记及棋子。正点分布在棋盘表面、蓝色与紫红色棋子、右侧通道及下方目标区；负点位于左侧外部说明和棋盘上、右、下方的黑色背景。"}},{"name":"Keyboard control legend, returning appearance","description":"The boxed “Z”, “X”, “R”, and “Esc” shortcuts with “Undo”, “Redo”, “Reset puzzle”, and “Menu” return to the left of the second gray puzzle.","membership":"Include the four key outlines, enclosed key text, and associated action labels. Exclude the independent reset note, puzzle board, and background decorations.","id":"obj_009","temporal":{"status":"found","start_s":7.25,"end_s":11.25,"reference_s":8.0,"evidence":"目标是第二个灰色谜题左侧重新出现的四组快捷键图例：Z/Undo、X/Redo、R/Reset puzzle、Esc/Menu，不包含下方重置提示。首个完整帧为7.25秒，最后完整帧为11.00秒；前一帧7.00秒仍是蓝色关卡地图，没有图例，后一帧11.25秒放大谜题后图例已离开画面。选择8.00秒作为关键帧，四组按键边框及文字均清晰完整、无遮挡。","start_frame":174,"end_frame":270,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[93.75,105.56,187,725.93],"positive_points":[[140.1,125.93],[139.58,304.63],[136.98,475],[95.83,541.67],[125.52,648.15],[121.88,715.74]],"negative_points":[[140,825],[500,500],[181,219],[220,450]],"evidence":"目标是灰色谜题左侧的四组键盘快捷键图例。边界框覆盖 Z、X、R、Esc 键框及 Undo、Redo、Reset puzzle、Menu 标签；正点分布在键文字、键框和动作标签上。负点位于独立重置提示、谜题板、灰色背景装饰及外部黑色背景，均不属于目标。"}},{"name":"Reset undo note, returning appearance","description":"The instruction “Note: You can undo a reset” returns below the keyboard shortcuts beside the second puzzle.","membership":"Include only the complete two-line text block, excluding adjacent graphics and background decorations.","id":"obj_010","temporal":{"status":"found","start_s":7.25,"end_s":11.25,"reference_s":8.0,"evidence":"目标是第二个谜题左侧快捷键下方重新出现的完整两行文字“Note: You can / undo a reset”。首个符合帧为7.25秒，最后为11.00秒；此前7.00秒仍是关卡地图，没有该文字，之后11.25秒画面放大，文字已不再显示。选择8.00秒作为关键帧，文字完整清晰，便于排除周围图形和背景装饰。","start_frame":174,"end_frame":270,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[88.5,812.0,191.7,876.0],"positive_points":[[90.6,824.1],[137.5,816.7],[188.0,826.9],[96.9,867.6],[143.2,864.8],[182.8,868.5]],"negative_points":[[74.5,842.6],[202.6,826.9],[140.6,909.3],[134.9,715.7]],"evidence":"目标位于左下方快捷键说明下方，是两行白色文字“Note: You can / undo a reset”。边界框紧贴完整文字块；六个正点分布在两行字形笔画上，负点位于文字块外的黑色背景及上方独立的 Menu 文字处，排除周围装饰和其他说明。"}},{"name":"Second yellow block","description":"The golden-yellow square initially above the player in the second board’s left passage. It is pushed right into the blue nested room and later emerges into the upper-right corridor onto an outlined goal.","membership":"Include the block’s solid yellow face and permanent boundary as it moves and changes scale. Exclude other pieces, shadows, particle trails, and temporary goal highlighting.","id":"obj_011","temporal":{"status":"found","start_s":7.25,"end_s":13.0,"reference_s":8.0,"evidence":"目标是第二块棋盘左侧通道中、玩家上方的金黄色方块；随后被推向右侧并进入蓝色嵌套房间。7.25秒首次完整呈现，前一帧7.00秒仍是关卡总览。12.75秒是最后完整可见帧，13.00秒方块向上移出时已被画面上边界裁切，因此结束该次连续出现。选择8.00秒作关键帧，方块正面和永久边界清晰，无明显遮挡，且易与其他棋子区分。","start_frame":174,"end_frame":312,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[371.875,452.778,422.917,545.37],"positive_points":[[379,466],[414,469],[391,482],[404,502],[380,532],[415,532]],"negative_points":[[360,490],[449,406],[345,769],[394,578]],"evidence":"目标是左侧通道内、粉色玩家上方且紧邻蓝色嵌套方块左下方的金黄色方块。边界框紧贴黄色实体及其固定深色边框，不含阴影和粒子。六个正点分布在黄色面上，四个负点分别位于左侧通道背景、蓝色块、粉色玩家及下方通道背景。"}},{"name":"Movable blue nested room","description":"A blue square puzzle room initially immediately right of the yellow block in the second board’s upper passage. Its dark-blue interior has a broad upper-left wall, a left-side entrance, and a vertical passage on the right. It is pushed across and down the outer board, and enlarged views show the player and yellow block moving inside it.","membership":"Include the complete blue square boundary, blue wall surfaces, enclosed dark-blue passages, openings, and any pieces inside the room. Preserve its full square container extent rather than selecting only its walkable area. Exclude the surrounding gray board, external pieces, shadows, particle trails, and temporary selection outlines.","id":"obj_012","temporal":{"status":"found","start_s":7.25,"end_s":16.0,"reference_s":11.5,"evidence":"目标是第二块灰色棋盘上、起初位于黄色方块右侧的蓝色方形嵌套房间，具有左侧入口、宽大的左上墙体和右侧竖直通道。7.25秒首次完整呈现，随后被推动并放大展示内部，至最后一帧15.75秒仍完整可见。此前7.00秒显示关卡总览，尚未呈现该独立房间；视频末尾没有后续帧。选择11.50秒作为关键帧，蓝色房间的完整方形边界、墙面、通道及内部棋子均清楚可辨。","start_frame":174,"end_frame":384,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[269.8,89.8,730.2,909.3],"positive_points":[[344,232],[651,370],[547,848],[497,509],[314,535],[408,494]],"negative_points":[[219,667],[94,417],[786,435],[609,954]],"evidence":"目标是画面中央偏右的大型蓝色方形嵌套房间，其左侧入口内有紫红色玩家和黄色方块。框覆盖完整方形边界、蓝色墙面、深蓝通道及内部棋子，不含外部阴影。正点分布于各侧墙面、通道和内部棋子；负点位于外围灰色区域及左侧外部紫红色方块。"}}]}
+{"video_id":69,"video_type":"2D games","targets":[{"name":"Yellow-and-black puzzle board","description":"The bounded game level, outlined in yellow against a dark background. It contains tall left and right sections, a vertically movable middle chamber, striped floors and ledges, switches, glowing obstacles, and a gear-shaped goal.","membership":"Include the board's outer yellow boundary and its enclosed surface and contents, including separately listed children. Follow its rounded outer outline. Exclude the surrounding background, cast shadow, and cinematic black bars.","id":"obj_001","temporal":{"status":"found","start_s":4.75,"end_s":6.5,"reference_s":5.75,"evidence":"目标是黄色圆角外框包围的整块关卡，内有左右高塔、可升降中间舱、黑黄条纹平台及齿轮目标。首个完整呈现帧为4.75秒，最后为6.25秒；此前4.50秒外框上部仍被画面裁切，随后6.50秒放大使板体下部越出画面。选择5.75秒作为关键帧，整块外框与内部结构清晰完整，无遮挡。","start_frame":114,"end_frame":156,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[258.9,212,741.1,788],"positive_points":[[335,324],[344,586],[496,320],[497,655],[659,441],[656,697]],"negative_points":[[226,488],[790,392],[802,714],[503,847]],"evidence":"目标是黄色圆角外框围成的完整游戏关卡。边界框紧贴外框的最外缘，涵盖内部表面、左右区域、中间活动室及所有机关。正点分布在框内各主要区域；负点位于外框之外的背景和右下方投影上，不包含这些外围区域。"}},{"name":"Square player character","description":"A small solid yellow square with two dark vertical eyes. Initially beside the glowing ball and floor switch in the lower-left section, it travels through the middle chamber and onto platforms in the right section.","membership":"Include the square body and its eye markings. Exclude supporting platforms, switches, nearby particles, and glow effects.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":3.5,"evidence":"目标是带两条深色竖眼的小黄方块，最初位于左下方发光球与开关旁，随后可连续追踪其穿过中间舱室并登上右侧平台；经过门缝时的短暂遮挡不改变身份。首个合格帧为0.00秒，最后为29.75秒，末帧方块仍完整可见。区间覆盖视频首尾，没有边界外的相邻帧。选择3.50秒作为关键帧，此时方块在中间舱室地板上，轮廓和眼睛清晰，无遮挡且远离相似粒子。","start_frame":0,"end_frame":720,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[409.9,611.1,428.6,644.4],"positive_points":[[412.5,615.7],[425.0,615.7],[412.5,637.0],[425.0,638.0],[420.8,624.1],[417.2,631.5]],"negative_points":[[419.3,587.0],[396.0,625.0],[443.0,626.0],[417.0,662.0]],"evidence":"目标位于中间腔室底部，是带两条深色竖眼的小黄色方块。边界框紧贴方块身体，包含眼部，不含下方平台。六个正点分布在身体各部及眼部；四个负点位于上方、左右外部背景和下方支撑平台。"}},{"name":"Lower-left floor switch","description":"A yellow outlined lever with a semicircular base and circular handle, mounted on the bottom striped floor of the left section.","membership":"Include the lever handle, connecting stem, and semicircular base, with the areas enclosed by their outlines. Exclude the striped floor beneath it and nearby objects.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":6.5,"reference_s":0.75,"evidence":"目标是左侧区域底部条纹地板上的黄色轮廓拨杆，具有半圆底座、连接杆和圆形手柄。首个合格帧为0.00秒，已完整呈现；最后合格帧为6.25秒。6.50秒画面放大后，拨杆底座被画面下边界裁切，因此结束此次连续出现。视频起点前无相邻帧。选择0.75秒作为关键帧，拨杆轮廓清晰完整，且与附近方块、圆球容易区分。","start_frame":0,"end_frame":156,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[616.1,600.9,648.4,647.2],"positive_points":[[641.1,613.0],[643.8,607.4],[638.0,624.1],[635.4,630.6],[626.6,628.7],[619.8,636.1]],"negative_points":[[629.7,670.4],[532.8,627.8],[692.7,590.7],[604.2,597.2]],"evidence":"目标位于左侧区域底部条纹地板上，是带圆形手柄、斜连接杆和半圆底座的黄色轮廓开关。框覆盖完整可见开关，不包含下方地板。正点分布于手柄、连接杆及底座；负点位于下方条纹地板、左侧方块、右侧平台和外部背景。"}},{"name":"Movable middle chamber","description":"The shorter rounded rectangular chamber between the two tall sections. Its striped horizontal divider and bottom floor carry the player as the entire chamber shifts vertically.","membership":"Include the chamber's rounded boundary, enclosed dark surface, striped divider and bottom floor, wall inserts, and contents. The player remains within this region when inside it, despite also being listed separately. Exclude the surrounding board surface and neighboring chambers.","id":"obj_004","temporal":{"status":"found","start_s":1.75,"end_s":8.5,"reference_s":3.5,"evidence":"目标是两座高舱之间较矮的圆角矩形舱，包含暗色内部、条纹横隔板和底板，并整体上下移动。首个完整可见帧为1.75秒，最后为8.25秒；此前1.50秒其右侧仍被画面边缘截断，之后8.50秒右侧再次被截断。选择3.50秒作为关键帧，舱体较大、边界完整，与两侧舱室容易区分。","start_frame":42,"end_frame":204,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[254.7,125.9,587.5,717.6],"positive_points":[[419.3,132.4],[343.8,263.9],[468.8,415.7],[335.9,527.8],[418.2,627.8],[533.9,694.4]],"negative_points":[[182.3,444.4],[703.1,509.3],[420.3,88.9],[419.3,740.7]],"evidence":"目标是两侧高舱之间较矮的圆角矩形中舱。框覆盖完整圆角边界、内部暗色表面、条纹隔板和底板、墙面嵌件及玩家。正点分布于上边界、上下内部区域、隔板、玩家和底板；负点位于两侧相邻舱及中舱上方、下方的外部板面。"}},{"name":"Right-section platform switch","description":"A second yellow outlined lever mounted on a small floating striped ledge in the right section. The player eventually lands beside it and changes its handle position.","membership":"Include the lever's circular handle, stem, and semicircular base, including enclosed areas. Exclude its supporting striped ledge and the player character.","id":"obj_005","temporal":{"status":"found","start_s":2.25,"end_s":7.75,"reference_s":3.5,"evidence":"目标是右侧区域小型悬浮斜纹平台上的黄色轮廓拉杆，包括圆形把手、杆和半圆底座，不包括平台。2.25秒首次完整可见，前一帧2.00秒尚未进入画面；7.50秒为最后完整可见帧，7.75秒已随镜头移动离开右侧画面。3.50秒拉杆清晰、完整且无遮挡，适合空间标注。","start_frame":54,"end_frame":186,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[719.8,14.8,751,62],"positive_points":[[726.6,26.9],[728.1,38],[730.2,44.4],[736.5,42.6],[745.3,52.8],[736.5,57.4]],"negative_points":[[739.6,84.3],[708.3,33.3],[759.4,40.7],[876,95.4]],"evidence":"目标是右侧上方悬浮条纹平台上的黄色拉杆。框覆盖圆形手柄、连接杆和半圆底座，不含下方平台。正点分布在手柄、杆及底座（含封闭内部）；负点位于支撑平台、外围背景和右侧发光圆球上。"}},{"name":"Outlined moving platform","description":"A narrow dark platform with a rounded yellow outline in the right section, initially above the bright yellow pool. It moves horizontally and vertically and later carries the player upward toward the switch.","membership":"Include the complete rounded outline and enclosed dark platform surface. Exclude the player, glowing balls, particles, pool, and any surrounding glow.","id":"obj_006","temporal":{"status":"found","start_s":2.5,"end_s":7.25,"reference_s":6.75,"evidence":"目标是右侧亮黄色池面上方、黄色圆角细轮廓包围深色表面的移动平台。首个合格帧为2.50秒，2.25秒时平台仍被画面右边界截断；最后合格帧为7.00秒，7.25秒时平台再次被右边界截断。6.75秒的平台轮廓完整清晰，与玩家、光球及池面分离，适合作为空间标注关键帧。","start_frame":60,"end_frame":174,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[804.69,846.3,876.56,877.78],"positive_points":[[808,858],[821,849],[833,864],[848,874],[863,859],[874,863]],"negative_points":[[838,738],[826,925],[783,861],[860,906]],"evidence":"目标是右侧区域、黄色池面上方的细长圆角平台，具有黄色描边和深色内部。边界框紧贴完整描边及其包围的平台表面，不包含外部光晕。六个正点分布于描边和内部表面；负点位于上方发光球、下方粒子及平台外的背景。"}},{"name":"Gear-shaped goal","description":"A small yellow outlined cog with concentric circular details, isolated above the highest striped floor in the right section. It is prominently framed near the end.","membership":"Include the toothed outer boundary and the entire area it encloses, including the concentric interior details. Exclude the surrounding chamber surface and striped floor below.","id":"obj_007","temporal":{"status":"found","start_s":4.75,"end_s":7.5,"reference_s":7.0,"evidence":"目标是右侧区域最高条纹地板上方的黄色轮廓齿轮，具有齿状外缘和同心圆细节。首次完整可见于4.75秒，最后 qualifying 帧为7.25秒；此前4.50秒尚未完整进入画面，之后7.50秒被画面右边界裁切。选择7.00秒作为关键帧，因为齿轮较大、轮廓清楚且无遮挡。","start_frame":114,"end_frame":180,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[770.8,300.9,799.5,350.9],"positive_points":[[784.9,325.9],[778.1,317.6],[791.7,317.6],[777.1,333.3],[790.6,337.0],[784.4,308.3]],"negative_points":[[755.2,324.1],[812.5,325.9],[784.9,268.5],[784.9,416.7]],"evidence":"目标是右侧区域最高条纹平台上方的黄色齿轮状轮廓，内部有同心圆。边界框紧贴齿轮外齿，覆盖其包围的全部区域；六个正点分布于内部及靠近齿部的位置，四个负点位于周围背景和下方条纹平台。"}}]}
+{"video_id":70,"video_type":"2D games","targets":[{"name":"Health bar","description":"Upper-left red status bar displaying \"8 / 8\" throughout the sequence.","membership":"Includes the black rectangular frame, red interior, and health text.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":11,"reference_s":0,"evidence":"目标是左上角显示“8 / 8”的红色生命值条，包括黑色矩形边框、红色内部和文字。首个合格帧为0.00秒，最后合格帧为10.75秒，整个采样序列中均完整可见且未发生退出。区间覆盖视频起止边界，两侧均无额外采样帧。选择0.00秒作为关键帧，目标清晰、无遮挡，便于标注。","start_frame":0,"end_frame":264,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[13.67,23.44,178.22,65.97],"positive_points":[[15.2,44],[39,43],[85.5,44],[105,44],[146,45],[176,44]],"negative_points":[[95,12],[193,45],[90,92],[28,146]],"evidence":"目标是左上角显示“8 / 8”的红色生命条。边界框紧贴完整黑色矩形外框，包含红色内部和生命值文字。正点分布于左右边框、红色区域及文字笔画；负点位于上方和右侧背景、下方经验条及绿色货币图标，均不属于生命条。"}},{"name":"Level and experience bar","description":"Bar directly below the health bar, labeled \"LV.1\", whose green fill increases as materials are collected.","membership":"Includes the black frame, dark track, green fill, and level label.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":11,"reference_s":8,"evidence":"目标是左上角生命条正下方标有“LV.1”的经验条，包含黑色边框、深色底槽和逐渐增加的绿色填充。首个合格帧为0.00秒，最后为10.75秒，整个采样序列中均完整可见，填充变化不影响其连续身份。区间覆盖视频首尾，边界外无采样帧。选择8.00秒作为关键帧，此时边框、底槽、绿色填充和等级文字均清晰且无遮挡。","start_frame":0,"end_frame":264,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[13.7,71.2,178.2,113.7],"positive_points":[[24.4,87.7],[85.4,95.5],[122.1,91.1],[150.0,91.1],[170.4,92.9],[56.2,111.1]],"negative_points":[[87.9,45.1],[28.3,147.6],[194.8,92.0],[90.3,131.1]],"evidence":"目标是左上角生命条正下方、标有“LV.1”的经验条。边界框紧贴整条黑色外框，包含绿色填充、深灰轨道和等级文字。正点分布在填充、轨道、文字及边框上；负点位于上方生命条、下方货币图标和条外背景。"}},{"name":"Material counter","description":"Green oval material icon and adjacent total below the experience bar; the total starts at \"47\" and eventually reaches \"61\".","membership":"Includes the material icon and its adjacent numeric value; excludes the other status displays.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":11,"reference_s":0,"evidence":"目标是左上角经验条下方的绿色椭圆材料图标及其右侧数字，不含下方袋子计数。首个合格帧为0.00秒，显示47；最后合格帧为10.75秒，显示61。图标和相邻数值在全部采样帧中持续完整可见，数值变化不改变目标身份，因此区间为[0,11)。区间已达视频首尾，两端均无外侧采样帧。选择0.00秒为关键帧，因为图标与47清晰、无遮挡，易于和其他状态显示区分。","start_frame":0,"end_frame":264,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[18.1,125,77.2,169.3],"positive_points":[[25.9,143.2],[31.7,154.5],[53.7,145.8],[58.1,156.3],[69.8,137.2],[69.3,156.3]],"negative_points":[[51.3,91.1],[28.8,212.7],[87.4,151],[42,184]],"evidence":"目标位于左上角经验条下方，由绿色椭圆材料图标和右侧数字“47”组成。边界框紧贴图标及完整数字；六个正点分布在图标和两位数字笔画上，四个负点位于经验条、下方袋子图标及外围灰色背景，排除其他状态显示。"}},{"name":"Stored-material counter","description":"Small tan sack with green contents and an adjacent number, initially \"7\", beneath the material counter.","membership":"Includes the sack icon and its associated number during this appearance; excludes the counter above it.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":0,"evidence":"目标为左上角材料计数器下方的棕色袋子、绿色内容物及右侧数字，初始数字为7，不包括上方计数器。首个合格帧为0.00秒，最后���个为7.75秒；数字虽逐渐减少，袋子与数字仍持续完整显示。8.00秒帧中该计数器已消失。区间起于视频开头，无更早帧可检查。选择0.00秒为关键帧，因为袋子和数字7清晰完整、无遮挡。","start_frame":0,"end_frame":192,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[17.09,190.1,62.99,233.51],"positive_points":[[28.81,198.78],[23.93,216.15],[35.64,218.75],[52.73,200.52],[56.64,210.07],[52.73,225.69]],"negative_points":[[28.32,147.57],[61.04,150.17],[75.68,214.41],[28.32,256.94]],"evidence":"目标位于左上方材料计数器下方，由装有绿色物品的棕色小袋和右侧数字“7”组成。边界框紧贴袋子及数字的完整可见范围；正点分布在袋身、绿色内容物和数字笔画上，负点位于上方材料计数器及目标右侧、下方的外部背景。"}},{"name":"Wave heading","description":"The independent heading \"WAVE 2\" at the top center.","membership":"Includes only the outlined lettering, excluding the countdown beneath it and the arena background.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":11,"reference_s":0,"evidence":"目标为画面顶部中央独立的描边文字“WAVE 2”，不含下方倒计时。它从首帧0.00秒到末帧10.75秒始终完整显示，无淡入、淡出或离场，因此区间为[0,11)。区间两端均到达视频边界，没有边界外的采样帧。选择0.00秒作为关键帧，标题清晰完整、无遮挡，且与下方倒计时分离。","start_frame":0,"end_frame":264,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[461.4,26.0,539.1,58.2],"positive_points":[[465.3,33.9],[476.6,33.9],[483.4,42.5],[500.0,48.6],[511.7,39.9],[533.2,31.3]],"negative_points":[[499.0,13.0],[449.2,41.7],[551.8,42.5],[499.5,103.3]],"evidence":"目标是画面顶部中央独立的“WAVE 2”标题。边界框紧贴整行描边文字，不包含下方倒计时。六个正点分布在标题各字符的笔画上；负点位于标题上方及左右的背景和下方倒计时上。"}},{"name":"Wave countdown","description":"Large top-center number below \"WAVE 2\", decreasing from \"25\" to \"14\".","membership":"Includes only the changing outlined numerals, excluding the wave heading and background.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":11,"reference_s":0,"evidence":"目标是画面顶部中央“WAVE 2”下方的大号描边倒计时数字，不含标题和背景。首个合格帧为0.00秒，显示“25”；最后合格帧为10.75秒，显示“14”。期间数字持续完整可见，数值变化不打断同一倒计时的连续出现。区间覆盖视频首尾，两侧均无额外采样帧。选择0.00秒为关键帧，数字完整清晰且无遮挡，便于单独标注。","start_frame":0,"end_frame":264,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[481.4,80.7,518.6,125],"positive_points":[[489.7,87.7],[494.1,101.6],[488.8,117.8],[510.1,87.3],[504.8,100.7],[511.2,116.3]],"negative_points":[[500.5,42.5],[470.7,102.4],[531.3,91.1],[500.9,150.2]],"evidence":"目标是顶部中央“WAVE 2”下方的大号描边数字“25”。边界框仅覆盖两个倒计时数字；六个正点分布在数字笔画上，负点位于上方波次标题及数字左右、下方的外部背景。"}},{"name":"Dual-gun player character","description":"White egg-shaped character with a black headband and yellow circular eyepiece, initially near the center, carrying two blue-gray guns while moving around the arena.","membership":"Includes the character's body, face, headband, eyepiece, limbs, and both carried guns. Excludes the ground shadow, movement dust, fired projectiles, and collection effects.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":11,"reference_s":0,"evidence":"目标为白色蛋形玩家角色，戴黑色头带和黄色圆形目镜，携带两把蓝灰色枪。首个合格帧为0.00秒，末个为10.75秒；期间角色及双枪始终完整可见，移动、转向和收集特效未中断其连续出现。区间覆盖整个视频，起点前和终点后均无采样帧。选择0.00秒作为关键帧，因为角色位于中央、轮廓清晰、双枪完整且无特效遮挡。","start_frame":0,"end_frame":264,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[472.7,444.4,547.4,513.0],"positive_points":[[500.0,459.0],[497.0,473.6],[485.5,485.0],[533.0,484.0],[500.0,497.0],[510.1,507.3]],"negative_points":[[460.0,480.0],[560.0,480.0],[500.0,423.0],[497.0,520.0]],"evidence":"目标是画面中央偏下的白色蛋形双枪角色，可见黑色头带和黄色目镜。边界框紧贴身体、肢体及左右两把蓝灰色枪，不包含脚下阴影。正点分布在头部、目镜、身体、脚和双枪上；负点位于角色两侧及上方地面，以及脚下被排除的阴影处。"}},{"name":"First lower-left purple enemy","description":"Purple one-eyed, tentacled creature first clearly visible below the player on the left of the surviving lower pair. It pursues the player alongside another purple creature.","membership":"Includes this creature's outlined body, eye, mouth, and appendages; excludes its shadow, the neighboring creature, and combat effects.","id":"obj_008","temporal":{"status":"found","start_s":1.25,"end_s":2.5,"reference_s":1.5,"evidence":"目标是玩家下方幸存紫色双怪中左下方的单眼触手怪，可连续追踪其与右侧同伴一起追赶玩家。首个完整可见帧为1.25秒，最后 qualifying 帧为2.25秒；此前1.00秒对应位置仍是红色生成标记，之后2.50秒目标已被击碎，出现残骸和战斗效果。选择1.50秒作为关键帧，此时目标轮廓清晰，与右上方同伴分离，便于独立标注。","start_frame":30,"end_frame":60,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[483.4,809.9,531.7,875],"positive_points":[[508.3,833.3],[516.6,825.5],[523,850.7],[510.3,865.5],[497.1,838.5],[488.8,851.6]],"negative_points":[[545,794],[441,831],[473,844],[514,899]],"evidence":"目标是玩家下方两只紫色敌人中靠左、位置较低的一只。框覆盖其轮廓、身体、独眼、嘴和触肢，不含下方阴影及战斗特效。正点分布于眼睛、头部、嘴部、身体和附肢；负点位于右上邻近敌人、左侧绿色掉落物及外围地面。"}},{"name":"First lower-right purple enemy","description":"Purple one-eyed creature initially to the right and slightly above the other surviving enemy below the player. The two approach together before being defeated.","membership":"Includes this individual creature and its appendages; excludes its shadow, the other enemy, and hit effects.","id":"obj_009","temporal":{"status":"found","start_s":1.25,"end_s":2.5,"reference_s":1.25,"evidence":"目标是玩家下方两只存活紫色独眼敌人中，位于右侧且略高的个体，随后与左下方同伴一起靠近玩家。首个完整出现帧为1.25秒，最后合格帧为2.25秒；此前1.00秒该位置仍是红色生成标记，之后2.50秒目标已被击败并开始解体，伴有命中特效。选择1.25秒为关键帧，因为目标结构清晰，与另一只敌人分离且无遮挡。","start_frame":30,"end_frame":60,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[549.3,749.1,593.8,821.2],"positive_points":[[571.3,764.8],[572.8,779.5],[583,787.3],[574.2,810.8],[554.7,796],[560.5,771.7]],"negative_points":[[527.8,830.7],[437,783],[609,781],[571,728]],"evidence":"目标是玩家下方两只紫色独眼怪中偏右、位置稍高的一只。边界框紧贴该怪物身体及附肢，不含地面阴影。正点分布在头部、眼睛、躯干及附肢上；负点位于左下另一只怪物、左侧命中特效和目标外的灰色地面。"}},{"name":"First curved green material","description":"Leaf-like green shard left below the player after the first visible enemy defeat, initially to the left of the two surviving purple enemies.","membership":"Includes the shard's black outline and green interior; excludes its glow, nearby damage text, and other objects.","id":"obj_010","temporal":{"status":"found","start_s":1.5,"end_s":2.0,"reference_s":1.75,"evidence":"目标是首次击败敌人后留下的弯叶状绿色碎片，位于玩家下方、两只存活紫色敌人的左侧，以黑色轮廓和绿色内部识别。1.50秒首次完整清晰出现，1.75秒为最后完整帧；此前1.25秒该位置仍被击杀特效遮盖，碎片尚未完整显现，之后2.00秒碎片已被画面下边界裁切。选择1.75秒作为关键帧，碎片轮廓清晰且无遮挡，易与其他物体区分。","start_frame":36,"end_frame":48,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[432.6,882.8,450.2,928.0],"positive_points":[[439.9,894.1],[437.0,902.8],[437.5,912.3],[441.4,920.1],[446.3,899.3],[441.4,886.3]],"negative_points":[[425.8,902.8],[437.5,839.4],[485.4,840.3],[456.1,936.6]],"evidence":"目标是画面下方、两只紫色敌人左下侧的弯曲绿色碎片。边界框紧贴碎片黑色轮廓及绿色内部，不包含光晕。六个正点分布在碎片内部和轮廓上；负点分别位于外侧光晕、上方伤害数字、紫色敌人及远离碎片的地面。"}},{"name":"Left material from the first enemy pair","description":"Faceted green block on the left of two adjacent material drops left after the first pursuing pair is defeated.","membership":"Includes this block's outer outline and all visible green faces; excludes its glow, damage numbers, and the neighboring drop.","id":"obj_011","temporal":{"status":"found","start_s":2.5,"end_s":3.5,"reference_s":3.0,"evidence":"目标是首对追击敌人被击败后，两枚相邻绿色掉落物中左侧的多面体方块。2.50秒首次出现，结构已完整，虽有击杀粒子局部遮挡；3.25秒仍完整可见并向角色移动。此前2.25秒敌人尚存、方块未出现；之后3.50秒两枚掉落物已被拾取而消失。选择3.00秒作为关键帧，左侧方块轮廓和绿色切面清晰，与右侧掉落物分离。","start_frame":60,"end_frame":84,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[413.6,623.3,437,660.6],"positive_points":[[418.5,638],[422,634.5],[424.5,642],[426,650],[429,643],[428,655]],"negative_points":[[443,632],[407,646],[437,574],[425,683]],"evidence":"目标是画面中下部两个相邻绿色掉落物中左侧的多面块。边界框紧贴其黑色外轮廓及绿色可见面，不含光晕。正点分布于块体各面，负点位于右侧掉落物、左侧光晕、上方伤害数字及下方背景。"}},{"name":"Right material from the first enemy pair","description":"Green square-shaped material immediately to the right of the faceted block dropped by the first pursuing enemy pair.","membership":"Includes this individual material's outline and green interior; excludes its glow, nearby text, and the other material.","id":"obj_012","temporal":{"status":"found","start_s":2.5,"end_s":3.5,"reference_s":3.0,"evidence":"目标是第一对追逐敌人被击败后掉落的两件材料中，位于多面块右侧的绿色方形材料。2.50秒已出现完整方形结构，虽局部被击杀粒子遮挡；最后合格帧为3.25秒。此前2.25秒敌人仍在，尚无该材料；此后3.50秒材料被拾取并消失。选择3.00秒作为关键帧，目标轮廓清楚，与左侧多面块易于区分。","start_frame":60,"end_frame":84,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[432.6,612.0,454.1,651.0],"positive_points":[[443.4,619.8],[437.0,625.9],[448.2,631.9],[442.4,641.5],[440.4,630.2],[451.2,637.2]],"negative_points":[[423.3,641.5],[440.0,575.5],[460.9,630.2],[444.3,678.8]],"evidence":"目标是画面中下部两块绿色材料中右侧的倾斜方块，紧邻左侧多面体材料。边界框仅覆盖其黑色轮廓和绿色内部，不含光晕。六个正点分布在方块内部及轮廓上；负点位于左侧材料、上方数字、右侧光晕及下方背景。"}},{"name":"First right-edge purple enemy","description":"Purple one-eyed creature appearing near the lower-right edge after the player collects the first three material drops. It approaches from the right and is defeated ahead of the player.","membership":"Includes the creature's body, eye, mouth, and appendages; excludes its shadow, projectiles, and defeat effects.","id":"obj_013","temporal":{"status":"found","start_s":4.25,"end_s":5.25,"reference_s":4.75,"evidence":"目标是玩家收集前三个材料掉落后，从右下边缘出现并向玩家靠近的紫色独眼怪。首个合格帧为4.25秒，身体及附肢已完整进入画面；此前4.00秒该处只有生成标记。最后合格帧为5.00秒，怪物仍完整可见；5.25秒已被击败，仅剩碎片、掉落物和击败效果。选择4.75秒作为关键帧，目标轮廓清晰，与玩家及其他怪物分离，无遮挡。","start_frame":102,"end_frame":126,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[791.5,759.5,842.8,822],"positive_points":[[819.3,784.7],[812,770.8],[829.1,795.1],[821.3,811.6],[803.7,789.9],[798.8,805.6]],"negative_points":[[864.3,788.2],[777.3,783],[817.4,849],[500.5,664.9]],"evidence":"目标是画面右下方、玩家右侧的单眼紫色敌人。边界框紧贴其身体、眼睛、嘴和附肢，不包含脚下阴影。六个正点分布在头部、眼睛、嘴部、身体和附肢上；负点位于周围地面及玩家身上，以排除背景和其他对象。"}},{"name":"Upper member of the next purple pair","description":"Purple creature entering near the upper edge, above another purple enemy. It remains the upper member as the pair pursues the player toward the lower-right area.","membership":"Includes this individual creature's outlined body and appendages; excludes the other member of the pair, shadows, and hit effects.","id":"obj_014","temporal":{"status":"found","start_s":4.75,"end_s":6.5,"reference_s":5.5,"evidence":"目标是从上边缘进入的下一对紫色敌人中较上方的个体，追向右下方玩家时始终位于另一只的上方。首个完整呈现帧为4.75秒，最后合格帧为6.25秒；此前4.50秒该个体仍被上边缘裁切，此后6.50秒已被击中并开始解体，出现命中特效。选择5.50秒作为关键帧，目标轮廓完整，与下方同伴分离，便于独立标注。","start_frame":114,"end_frame":156,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[267.6,234.4,316.4,298.6],"positive_points":[[287.6,245.7],[278.8,260.4],[276.9,282.1],[291.5,286.5],[302.7,268.2],[309.1,255.2]],"negative_points":[[301.8,320.3],[253.4,264.8],[330.1,264.8],[289.6,215.3]],"evidence":"目标是画面左上方两只紫色敌人中位于上方的一只。框紧贴其可见身体、轮廓和附肢，不包含下方同伴及地面阴影。六个正点分布在头部、身体和附肢上；负点位于下方紫色同伴及目标外围的灰色地面。"}},{"name":"Lower member of the next purple pair","description":"Purple creature immediately below the other enemy entering from the upper edge. It follows the player alongside that enemy until the pair is defeated.","membership":"Includes this creature's body, facial features, and appendages; excludes its companion, shadow, and combat effects.","id":"obj_015","temporal":{"status":"found","start_s":4.5,"end_s":6.5,"reference_s":5.75,"evidence":"目标是从上边缘进入的紫色双敌中位置较低的一只，随后与同伴一起追逐玩家。4.50秒其身体、面部和附肢已完整入镜，4.25秒对应位置尚未出现完整紫色敌人。最后合格帧为6.25秒；6.50秒该双敌已被击败，原位置出现破碎及命中特效。选择5.75秒作为关键帧，目标位于同伴下方，轮廓清晰且无遮挡，便于区分。","start_frame":108,"end_frame":156,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[319.3,338.5,368.7,401.9],"positive_points":[[339.4,354.2],[332.5,373.3],[342.3,389.8],[352.1,363.7],[362.3,360.2],[359.4,388.9]],"negative_points":[[329.6,315.1],[384.8,368.9],[341.8,422.7],[305.2,382.8]],"evidence":"目标是画面左上偏中两只紫色怪物中较下方的一只。边界框紧贴其身体、面部和附肢，不含上方同伴、脚下阴影及战斗效果。六个正点分布在身体、面部与附肢上；负点位于上方同伴及目标左、右、下方的外部区域。"}},{"name":"Material from the first right-edge enemy","description":"Curved green shard left to the player's right after the lone right-side purple enemy is defeated, subsequently collected near the lower-right arena boundary.","membership":"Includes the shard's black boundary and green interior; excludes its luminous halo and floating text.","id":"obj_016","temporal":{"status":"found","start_s":5.25,"end_s":6.0,"reference_s":5.5,"evidence":"目标是右侧单独的紫色敌人被击败后留下、位于玩家右下方的弯曲绿色碎片，仅含黑色轮廓与绿色内部。首个合格帧为5.25秒，最后合格帧为5.75秒；此前5.00秒敌人仍在，尚无该碎片，随后6.00秒碎片消失，玩家附近出现X2拾取提示。选择5.50秒作为关键帧，碎片完整清晰，与玩家及其他物体分离。","start_frame":126,"end_frame":144,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[655.3,789.9,673.3,829.9],"positive_points":[[656.7,812.5],[659.7,826.4],[661.6,815.1],[667.5,808.2],[668.5,795.1],[671.4,808.2]],"negative_points":[[647.9,811.6],[680.2,814.2],[660.2,714.4],[666.0,857.6]],"evidence":"目标是玩家右下方、悬浮数字“12”下方的弯曲绿色碎片。紧框仅覆盖碎片的黑色边界与绿色内部，不含发光晕。六个正点分布在边界及绿色实体上；负点位于两侧光晕、上方数字和下方地面。"}},{"name":"Block from the second purple pair","description":"Green faceted block appearing on the upper-left side of the two drops left by the pursuing pair defeated while the player is near the bottom boundary.","membership":"Includes this block's outline and green faces; excludes the neighboring curved shard, glow, and damage text.","id":"obj_017","temporal":{"status":"found","start_s":6.75,"end_s":8.0,"reference_s":7.25,"evidence":"目标是玩家靠近底边击败追赶的紫色双怪后，两枚掉落物中位于左上方的绿色多面方块，不含右下方弯曲碎片及光晕。6.75秒首次清楚呈现完整轮廓，7.75秒仍完整可见；此前6.50秒该位置被击杀特效遮挡，方块结构尚不可辨，之后8.00秒方块已被拾取并消失。选择7.25秒作为关键帧，此时方块无遮挡，与相邻碎片易于区分。","start_frame":162,"end_frame":192,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[456.05,469.62,479.0,506.08],"positive_points":[[465.33,479.17],[471.19,480.03],[461.43,486.98],[466.8,491.32],[473.14,493.92],[465.33,500.0]],"negative_points":[[492.68,548.61],[449.71,485.24],[470.21,451.39],[480.47,517.36]],"evidence":"目标是画面中央偏下、弯曲绿色碎片左上方的绿色多面块。边框紧贴方块的黑色轮廓及绿色面，不含光晕。六个正点分布在各绿色面和轮廓上；负点位于邻近弯曲碎片、块外光晕及周围背景。"}},{"name":"Curved shard from the second purple pair","description":"Curved green material appearing below and to the right of the block dropped by the second pursuing pair.","membership":"Includes this individual shard's outline and interior; excludes its halo, the other drop, and floating text.","id":"obj_018","temporal":{"status":"found","start_s":6.5,"end_s":7.75,"reference_s":7.25,"evidence":"目标是第二对追击的紫色敌人被击败后掉落的弯曲绿色碎片，位于同次掉落的方块右下方。6.50秒首次出现，虽有击杀特效遮挡，但碎片结构已建立；7.50秒仍可见。前一帧6.25秒敌人尚存、未见掉落物；后一帧7.75秒碎片已被拾取消失，方块仍在。选择7.25秒作为关键帧，碎片轮廓清晰，与方块及文字分离。","start_frame":156,"end_frame":186,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[482.4,531.3,503.4,565.1],"positive_points":[[486.3,535.6],[492.7,537.3],[499.0,545.1],[500.5,556.4],[493.2,557.3],[490.7,547.7]],"negative_points":[[467.8,487.0],[509.8,548.6],[478.5,558.2],[493.7,591.1]],"evidence":"目标是画面中央绿色方块右下方的弯曲绿色碎片。边界框紧贴该碎片的黑色轮廓及绿色内部，不含外部光晕。六个正点分布于尖端、弧边和内部；负点位于另一方块、碎片外的光晕及周围背景。"}},{"name":"Lone left-side purple enemy","description":"Purple one-eyed enemy appearing on the left side of the arena after the second pair is defeated. It moves toward the player and is later defeated to the player's upper left.","membership":"Includes this creature's body, eye, mouth, and appendages; excludes its ground shadow and attack effects.","id":"obj_019","temporal":{"status":"found","start_s":7.25,"end_s":8.0,"reference_s":7.5,"evidence":"目标是第二对敌人被击败后，在竞技场左侧单独出现并向玩家靠近的紫色独眼敌人。首个完整呈现帧为7.25秒，最后符合条件的帧为7.75秒；此前7.0秒该位置只有红色生成标记，之后8.0秒敌人已被击败，身体开始分解并伴有攻击效果。选择7.5秒作为关键帧，此时身体、眼睛、嘴和附肢清晰完整，且无遮挡、易与其他对象区分。","start_frame":174,"end_frame":192,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[146.5,237.8,190.9,309],"positive_points":[[157.7,259.5],[166.5,263],[156.7,287.3],[169.4,299],[183.1,279.5],[175.8,247.4]],"negative_points":[[135.7,269.1],[200.7,272.6],[168,329],[95.7,247.4]],"evidence":"目标是竞技场左侧唯一的紫色独眼怪物。边界框紧贴其身体、眼睛、嘴和附肢，不包含下方地面阴影。六个正点分布在这些可见部位，四个负点位于怪物外围地面及左侧碎石上。"}},{"name":"Block from the lone left-side enemy","description":"Green faceted material left at the defeat location of the lone enemy approaching from the left; it remains to the player's left before being collected.","membership":"Includes the block's black outline and visible green faces; excludes the glow and nearby damage number.","id":"obj_020","temporal":{"status":"found","start_s":8.0,"end_s":9.25,"reference_s":8.5,"evidence":"目标是左侧单独靠近的敌人在被击败处掉落的绿色棱面方块，随后一直位于玩家左侧。8.00秒首次可见完整成形的方块，虽有命中特效局部遮挡；9.00秒为最后符合条件的帧。此前7.75秒该敌人仍活着，掉落物尚未出现；之后9.25秒方块已被收集，出现X2提示且材料数增加。选择8.50秒，方块轮廓与绿色各面清晰，无遮挡，易与其他物体区分。","start_frame":192,"end_frame":222,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[311.5,500,334,544.3],"positive_points":[[322.3,508.7],[317.4,515.6],[327.1,517.4],[329.6,526.9],[317.9,529.5],[323.2,535.6]],"negative_points":[[301.8,520.8],[334.5,425.3],[341.8,546.9],[500,479.2]],"evidence":"目标是玩家左侧、伤害数字“12”下方的绿色多面材料块。边界框紧贴黑色轮廓和绿色可见面，不含外围光晕。六个正点分布于各绿色面及轮廓附近；负点位于左侧光晕、上方伤害数字、右下背景和玩家身上。"}},{"name":"Left member of the later upper pair","description":"Purple enemy appearing near the top-center wave display, to the left and slightly above another purple creature. The pair approaches the player together.","membership":"Includes this individual creature and its appendages; excludes its companion, shadow, and combat effects.","id":"obj_021","temporal":{"status":"found","start_s":8.5,"end_s":9.25,"reference_s":8.75,"evidence":"目标是后期出现在顶部中央波次文字附近、位于另一只紫色怪物左侧且略高的个体，两者随后一起接近玩家。首个合格帧为8.50秒，8.25秒尚未出现；最后合格帧为9.00秒，9.25秒该个体已被击碎，位置被战斗特效取代。选择8.75秒作为关键帧，此时目标结构完整、无遮挡，与右侧同伴容易区分。","start_frame":204,"end_frame":222,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[555.7,125.9,607.4,188.4],"positive_points":[[574.2,136.3],[583.5,147.6],[580.1,165.8],[560.5,164.9],[577.1,178.8],[598.6,165.8]],"negative_points":[[631.3,162.3],[542.5,156.3],[581.1,105.9],[582.5,196.2]],"evidence":"目标是顶部中央波次文字右下方、两只紫色敌人中靠左且略高的一只。框紧贴该个体的身体和附肢，不含下方阴影及右侧同伴。正点分布在头部、面部、身体和两侧及底部附肢；负点位于右侧同伴、左侧和上方背景及脚下框外区域。"}},{"name":"Right member of the later upper pair","description":"Purple enemy entering to the right of the other creature near the top-center display. It stays on the right as the pair approaches and is defeated.","membership":"Includes this individual creature's outlined body and appendages; excludes its companion, shadow, and hit effects.","id":"obj_022","temporal":{"status":"found","start_s":8.5,"end_s":9.25,"reference_s":8.75,"evidence":"目标是后期从顶部中央进入的紫色双怪中右侧的个体��可连续追踪其保持在同伴右侧并接近玩家。首个完整呈现帧为8.50秒，最后合格帧为9.00秒；此前8.25秒尚未见该怪，之后9.25秒其身体已被击败特效取代，不再完整。选择8.75秒作为关键帧，此时身体及附肢清晰，与左侧同伴分离且无遮挡。","start_frame":204,"end_frame":222,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[607.4,130.2,652.3,201.4],"positive_points":[[629.9,140.6],[640.1,152.8],[627.0,171.0],[644.5,172.7],[632.8,192.7],[614.3,164.9]],"negative_points":[[584.0,156.3],[667.5,163.2],[629.9,110.2],[683.6,215.3]],"evidence":"目标是画面上方中央两只紫色敌人中的右侧个体。边界框紧贴其身体轮廓及附肢，不含脚下阴影。六个正点分布于头部、躯干、嘴部和左侧附肢；负点位于左侧同伴及目标上方、右侧和右下方的外部背景。"}},{"name":"Round material from the later upper pair","description":"Green coin-like material on the left of the two drops left by the later upper enemy pair.","membership":"Includes the oval outline, rim, and green interior of this material; excludes the glow, damage text, and adjacent narrow material.","id":"obj_023","temporal":{"status":"found","start_s":9.5,"end_s":11.0,"reference_s":9.75,"evidence":"目标是后期上方敌人对被击败后，两件掉落物中左侧的绿色圆币状材料，右侧为细长材料。9.50秒首次可见完整圆形轮廓，9.25秒仍是敌人受击消散效果，尚未见完整目标。最后合格帧为10.75秒，圆币移近角色并被武器局部遮挡，但连续身份明确；区间延至视频结尾，没有后续采样帧。选择9.75秒作为关键帧，此时圆币轮廓、边缘和绿色内部清楚，与右侧细长材料容易区分。","start_frame":228,"end_frame":264,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[519.5,279.5,535.6,310.0],"positive_points":[[529.3,285.6],[530.8,293.4],[528.3,302.1],[525.9,294.3],[522.5,288.2],[522.0,299.5]],"negative_points":[[559.1,293.4],[522.5,213.5],[511.7,294.3],[527.3,329.0]],"evidence":"目标是画面上方偏右两件绿色掉落物中左侧的圆形材料。边界框紧贴其椭圆外轮廓，包含边缘和绿色内部，不含光晕。正点分布在内部与边缘；负点位于右侧细长材料、上方伤害数字、左侧光晕及下方背景。"}},{"name":"Narrow material from the later upper pair","description":"Slender green cylindrical material immediately to the right of the round drop left by the later upper enemy pair.","membership":"Includes this material's outlined cylindrical shape and green interior; excludes its glow and the neighboring material.","id":"obj_024","temporal":{"status":"found","start_s":9.5,"end_s":11.0,"reference_s":9.75,"evidence":"目标是后期上方敌人对被消灭后，圆形绿色掉落物右侧的细长绿色圆柱材料，具有黑色轮廓。首个完整可见帧为9.50秒；此前9.25秒仍是敌人受击碎裂效果，尚未见完整圆柱。最后合格帧为10.75秒，目标仍完整可见，因此区间延续至视频结尾11.00秒，之后无采样帧。选择9.75秒作为关键帧，此时圆柱轮廓清楚、无遮挡，且与左侧圆形材料容易区分。","start_frame":228,"end_frame":264,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[553.2,274.3,565.4,311.6],"positive_points":[[556.6,280.4],[556.2,285.6],[558.1,291.7],[559.1,297.7],[561.0,303.8],[561.5,307.3]],"negative_points":[[528.8,293.4],[548.3,289.9],[575.7,298.6],[557.1,329.9]],"evidence":"目标是画面上方偏右、圆形绿色掉落物右侧的细长绿色圆柱。边界框紧贴圆柱的黑色轮廓及绿色内部，不含光晕。六个正点分布于圆柱上端、杆身和下端；负点位于左侧圆形掉落物、外围光晕及附近背景。"}},{"name":"Late lower-right purple enemy","description":"Purple one-eyed creature entering along the lower-right edge beside the glowing tree and moving leftward into the arena.","membership":"Includes this creature's body, facial features, and appendages; excludes its shadow, the tree, and other enemies.","id":"obj_027","temporal":{"status":"found","start_s":10.75,"end_s":11.0,"reference_s":10.75,"evidence":"目标是发光树旁从右下边缘进入、向左移动的紫色独眼怪，区别于树和其他敌人。10.50秒时它仍被右侧画面边界裁切；10.75秒时身体、面部和附肢已完整进入画面，这是首个也是最后一个合格采样帧，故选作关键帧。该帧目标清晰且与树可区分。区间延续至视频结束，之后没有采样帧。","start_frame":258,"end_frame":264,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[921.4,856.8,973.1,918.4],"positive_points":[[942.9,875],[958.5,889.8],[949.2,879.3],[941.4,907.1],[930.7,897.6],[965.3,899.3]],"negative_points":[[981.4,833.3],[734.4,36.5],[947.3,944.4],[902.3,868.1]],"evidence":"目标是右下角发光树左侧的紫色独眼怪物。边界框紧贴其身体、面部和触肢，不包含下方阴影或旁边的树。六个正点���布在头部、眼睛、身体及附肢；负点位于发光树、上方另一只怪物以及目标左侧和下方的地面。"}},{"name":"Block from the late upper-left enemy","description":"Green faceted block left near the upper-left area after the late enemy entering there is defeated.","membership":"Includes the material's outlined shape and green faces; excludes its halo, red particles, and damage text.","id":"obj_028","temporal":{"status":"found","start_s":10.75,"end_s":11.0,"reference_s":10.75,"evidence":"目标是后段从左上方进入的敌人被击败后留下的绿色多面方块，以黑色轮廓和绿色切面识别，不含光晕、红色粒子或伤害数字。首个及最后一个合格采样帧均为10.75秒；前一帧10.50秒仍显示敌人受击爆散，尚无完整可辨的方块。10.75秒方块完整清晰、无遮挡，故选为关键帧。区间延续至视频末尾11.0秒，之后无采样帧。","start_frame":258,"end_frame":264,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[246.6,143.2,264.6,177.1],"positive_points":[[254.4,150.2],[250.5,157.1],[249.5,164.1],[253.9,169.3],[259.8,168.4],[259.3,157.1]],"negative_points":[[271.0,160.6],[216.8,138.0],[282.2,103.3],[240.7,185.8]],"evidence":"目标是画面左上区域、伤害数字“12”左下方的绿色多面体掉落物。框紧贴黑色轮廓及绿色切面，不含光晕；六个正点分布在各切面和轮廓上，负点位于右侧光晕、红色粒子、伤害数字及外部灰色地面。"}},{"name":"Late upper-right purple enemy","description":"Purple one-eyed creature entering near the upper-right edge in the final portion, separate from the enemy beside the tree.","membership":"Includes this individual creature's visible body, facial features, and appendages; excludes its shadow and other arena objects.","id":"obj_029","temporal":{"status":"found","start_s":10.75,"end_s":11.0,"reference_s":10.75,"evidence":"目标是10.75秒画面右上方独立出现的紫色独眼怪，身体、面部和附肢完整可见，与右下方树旁的怪物不同。首个及最后一个合格采样帧均为10.75秒；紧邻的10.50秒帧中该位置尚无此怪物。其持续至视频结束，之后没有采样帧可检查。选择10.75秒作为关键帧，因为目标完整、无遮挡且易于区分。","start_frame":258,"end_frame":264,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[708.5,9.5,760,71.2],"positive_points":[[725.6,23.4],[736.3,33.9],[750,44.3],[737.3,62.5],[723.1,54.7],[715.8,49.5]],"negative_points":[[695,39],[782,58],[733,100],[946,886]],"evidence":"目标是画面右上方独立的紫色独眼怪，与右下角树旁的怪物分开。框紧贴其可见身体、面部和附肢，不含下方阴影。正点分布在头部、眼睛、身体及左侧附肢；负点位于周围场地背景和树旁另一只怪物上。"}}]}
+{"video_id":71,"video_type":"2D games","targets":[{"name":"Goo bridge","description":"The flexible dark lattice extending from the left side toward the right ledge. Round goo nodes, some with white eyes, are joined by elastic strands into triangular cells; the structure sags, swings, and gains extensions.","membership":"Include the connected nodes and strands, their visible features, and the areas enclosed by closed lattice cells. Follow the changing outer contour and its concavities. Exclude unattached goo balls, the terrain, cursor trails, placement guides, and overlaid text.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":23,"reference_s":5.5,"evidence":"目标是从左侧延伸向右侧平台、由圆形胶球节点和弹性连线组成的三角网格桥，包含部分节点的白眼及闭合网格内部。首个合格帧为0.00秒，末个为22.75秒；期间同一桥体持续可见，虽下垂、摆动及增加连接，未出现整体退场。左端延伸出画面是持续的场景构图。区间达到视频两端，边界外均无采样帧。选择5.50秒为关键帧，此时网格展开，连接及外轮廓清楚，便于排除游离胶球、地形和操作指示。","start_frame":0,"end_frame":552,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[14,250,717,793],"positive_points":[[83,423],[258,414],[350,567],[317,757],[510,670],[698,532]],"negative_points":[[689,718],[902,357],[864,632],[500,870]],"evidence":"目标是从画面左侧延伸至右侧、由圆形黏球和弹性连线组成的深色桥架。框覆盖相连节点、连线及闭合晶格内部，并沿外轮廓包含下垂部分；不包含右下方游离黏球及拖影。正点分布于左右节点和中下部桥架，负点位于游离黏球、右上独立黏球、右侧地形和桥下背景。"}},{"name":"Right landing ledge","description":"The large dark platform on the right, with a rounded upper-left corner, a flat top supporting sleeping goo balls, and a steep left face approached by the bridge.","membership":"Include the visible solid terrain surface and its actual boundary, including the irregular lower edge. Exclude the balls resting on it, the attached bridge, interface text, and cursor effects.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":23,"reference_s":8,"evidence":"目标是右侧具有圆弧左上角、平坦顶面和陡直左壁的大块深色地形，顶部承托睡眠中的 goo 球，下部边缘不规则。首帧 0.00 秒已完整建立，至最后采样帧 22.75 秒持续可见；画面边缘处的地形裁切属于场景设计，并非离场。区间覆盖视频首尾，两侧均无额外采样帧。选择 8.00 秒，因为平台轮廓清楚，桥梁尚未贴上左壁，遮挡较少，便于排除球、界面文字及光标效果。","start_frame":0,"end_frame":552,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[730,343,980,986],"positive_points":[[891,383],[820,468],[796,742],[922,706],[773,963],[964,927]],"negative_points":[[901,318],[944,320],[664,672],[720,524]],"evidence":"目标是右侧具有圆弧左上角、平坦顶面和陡直左壁的大块深色地形。框覆盖其可见实体及下部不规则边界，不含顶部睡眠球和界面文字。正点分布在平台上部、左壁内侧及底部实体；负点位于顶部球、空中旋转物和左侧背景。"}},{"name":"Sleeping goo-ball group","description":"The compact row of dark round goo creatures resting on the right ledge, initially near the upper-right edge. Small sleep marks appear above them, and more of the row becomes visible as the view shifts.","membership":"Include the bodies and facial features of the resting group, following their individual outlines rather than filling gaps between them. Exclude the supporting ledge, floating sleep marks, nearby airborne elements, and the bridge.","id":"obj_003","temporal":{"status":"found","start_s":20.75,"end_s":23.0,"reference_s":21.5,"evidence":"目标是右侧平台上带睡眠标记的一排深色圆形黏球，排除平台、睡眠标记及被拖动的空中黏球。20.75秒起整组身体均已进入画面；此前20.50秒最右端仍紧贴画面边缘，尚有裁切。最后一个合格帧为22.75秒，整组仍在平台上，视频于23.0秒结束，无后续帧。选择21.50秒作为关键帧，静卧成员较清楚，且与桥梁及空中黏球较易区分。","start_frame":498,"end_frame":552,"reference_frame":516},"grounding":{"status":"found","bbox_xyxy":[817,298,929,365],"positive_points":[[830,344],[839,328],[870,345],[878,330],[906,345],[919,343]],"negative_points":[[779,309],[838,417],[825,274],[685,241]],"evidence":"目标是右侧平台上并排休息的三个深色圆形黏球。框覆盖这组球体及面部所在区域，不包含左侧带叶状突出物的空中角色、上方漂浮标记或下方平台。六个正点分布在三个球体上，负点位于空中角色、平台、上方背景及桥端其他球体。"}},{"name":"Collection pipe","description":"A partially visible horizontal gray pipe with a dark mouth at the upper-right edge of the opening view.","membership":"Include the visible pipe body and mouth. Exclude the surrounding background and frame border.","id":"obj_004","temporal":{"status":"found","start_s":0.0,"end_s":0.75,"reference_s":0.0,"evidence":"目标是开场画面右上缘的水平灰色管身及黑色管口，其局部可见符合描述。首个合格帧为0.00秒，最后为0.50秒；0.25秒也持续可见，紧邻的0.75秒帧中管道已移出画面。视频起点之前没有采样帧。选择0.00秒作为关键帧，因为管身和管口轮廓清晰，无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[900.8,22.2,979.7,72.2],"positive_points":[[909.4,43.1],[923.4,58.3],[936.7,36.1],[953.1,31.9],[972.7,41.7],[952.3,55.6]],"negative_points":[[881.3,47.2],[918.8,105.6],[955.5,93.1],[990.6,41.7]],"evidence":"目标位于画面右上缘，是带深色管口的水平灰色收集管。框紧贴可见管身及管口，不包含黑色画面边框。正点分布在灰色管身和深色管口上；负点位于管外橙色背景及右侧边框。"}},{"name":"Retry button","description":"The muted brown rounded rectangular control labeled “retry” at the lower left.","membership":"Include the button surface, rounded boundary, and label. Exclude any bridge nodes or strands that pass over it.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":23,"reference_s":0,"evidence":"目标是左下角标有“retry”的灰棕色圆角矩形按钮，包含按钮表面、边界和文字，不包含经过其上的桥梁节点或连线。首个合格帧为0.00秒，最后一个为22.75秒；按钮在整个视频中持续存在，偶尔被桥梁局部遮挡但身份连续。区间到达视频首尾，两端均无额外采样帧。选择0.00秒作为关键帧，因为按钮完整清晰且无遮挡。","start_frame":0,"end_frame":552,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[64.1,826.4,202.3,897.2],"positive_points":[[78.1,848.6],[89.1,881.9],[114.1,859.7],[139.1,862.5],[167.2,845.8],[188.3,875]],"negative_points":[[43,861.1],[132.8,791.7],[222.7,861.1],[132.8,936.1]],"evidence":"目标是图像左下角���有“retry”的柔和棕色圆角按钮。边界框紧贴按钮的完整表面、圆角边缘和文字；六个正点分布在按钮表面及标签上，四个负点位于按钮上下左右的外部背景，未包含桥梁节点或连线。"}},{"name":"Collection counter","description":"The persistent lower-right status text reading “0 of 8 collected”.","membership":"Include the complete text and its own contrasting outline. Exclude the adjacent menu button, terrain behind it, and overlapping cursor or bridge graphics.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":23,"reference_s":8,"evidence":"目标是右下角持续显示的“0 of 8 collected”完整文字及其对比描边，不含旁边的 menu 按钮。首个合格帧为0.00秒，最后合格帧为22.75秒，期间始终存在，偶有游标或桥架遮挡但身份连续。区间覆盖视频首尾，两端均无额外相邻帧。选择8.00秒作为关键帧，文字完整清晰且没有明显遮挡，便于独立标注。","start_frame":0,"end_frame":552,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[649,827,839,893],"positive_points":[[656,858],[700,855],[721,842],[764,850],[802,851],[833,850]],"negative_points":[[883,861],[867,786],[632,866],[719,789]],"evidence":"目标是右下方“0 of 8 collected”状态文字。边界框覆盖完整文字及其描边，不包含右侧 menu。正点分布于数字及各段文字笔画上；负点位于 menu、外部地形和文字周围背景。"}},{"name":"Menu button","description":"The small dark control labeled “menu” beside the collection counter at the lower right.","membership":"Include the button backing, boundary, and label. Exclude the collection counter and surrounding terrain.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":23,"reference_s":0,"evidence":"目标是右下角收集计数旁标有“menu”的深色按钮，包含底板、边界和文字。首个合格帧为0.00秒，最后为22.75秒；所有采样帧中按钮均持续完整显示，因此区间覆盖至视频结束23.00秒。区间两端均无额外相邻帧。选择0.00秒作为关键帧，按钮底板与标签清晰，无遮挡，且易与左侧计数及周围地形区分。","start_frame":0,"end_frame":552,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[850,822,918,892],"positive_points":[[858,835],[906,835],[859,863],[879,863],[905,863],[887,882]],"negative_points":[[806,862],[940,856],[884,776],[884,930]],"evidence":"目标是右下方收集计数旁标有“menu”的深色按钮。边框紧贴按钮底板、边界及文字；正点分布于底板和标签，负点位于左侧计数文字及按钮上方、右侧和下方的周围地形。"}},{"name":"6.0-meter distance readout","description":"The angled white, dark-outlined text “6.0 METERS TO GO” appearing above the gap as an early bridge extension drops downward.","membership":"Include the complete text and its typographic outline throughout its movement and scaling. Exclude the triangular marker, background, bridge, and interaction effects.","id":"obj_008","temporal":{"status":"found","start_s":0.75,"end_s":1.75,"reference_s":1.0,"evidence":"目标是缺口上方倾斜的白色深描边“6.0 METERS TO GO”，不含三角标记。首个完整清晰呈现帧为0.75秒，最后 qualifying 帧为1.50秒，期间文字移动并缩小。此前0.50秒文字仍处于浅淡的初始显现阶段；此后1.75秒已消失。选择1.00秒作为关键帧，文字完整、清楚且遮挡最少。","start_frame":18,"end_frame":42,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[608.6,351.4,860.2,497.2],"positive_points":[[618.8,391.7],[649.2,401.4],[689.8,418.1],[742.2,438.9],[793.8,447.2],[850,465.3]],"negative_points":[[703.9,329.2],[709.4,527.8],[572.7,634.7],[898.4,563.9]],"evidence":"目标是画面右上方倾斜的“6.0 METERS TO GO”白色深描边文字。边界框覆盖整段文字及其描边；六个正点分布在数字和各单词的字形上，负点分别位于上方三角标记、下方背景、桥体和右侧平台，均不属于读数。"}},{"name":"4.9-meter distance readout","description":"The white, dark-outlined text “4.9 METERS TO GO” appearing above the right end after another bridge extension.","membership":"Include only the complete text and its typographic outline, following its changing placement and scale. Exclude nearby markers, goo graphics, and terrain.","id":"obj_009","temporal":{"status":"found","start_s":5.25,"end_s":6.25,"reference_s":5.5,"evidence":"目标是桥梁右端上方白色深描边的“4.9 METERS TO GO”。5.25秒文字已完整呈现，虽倾斜旋转仍符合条件；最后合格帧为6.00秒。此前5.00秒尚无该读数，之后6.25秒文字已明显淡出。选择5.50秒作为关键帧，此时文字较大、清晰且基本无遮挡。","start_frame":126,"end_frame":150,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[650,169,903,326],"positive_points":[[659,190],[695,220],[719,230],[771,253],[829,258],[895,291]],"negative_points":[[705,323],[899,418],[801,153],[694,857]],"evidence":"目标是右侧桥端上方倾斜排列的“4.9 METERS TO GO”。边界框紧贴整段文字及其深色描边；六个正点分布在数字和各部分字母笔画上，负点位于下方三角标记、右侧地形、上方背景及底部其他读数，均不属于目标。"}},{"name":"5.6-meter distance readout","description":"The white, dark-outlined text “5.6 METERS TO GO” displayed near the right ledge when the bridge first reaches its vertical face.","membership":"Include the full text and its typographic outline. Exclude the ledge, bridge, cursor trail, and placement indicators.","id":"obj_010","temporal":{"status":"found","start_s":11.25,"end_s":12.25,"reference_s":11.5,"evidence":"目标是右侧崖壁附近白色深色描边的“5.6 METERS TO GO”。11.25秒文字虽有旋转，但已完整呈现；最后一个合格帧为12.00秒。前一帧11.00秒尚无该读数，后一帧12.25秒文字已缩小并淡出。选择11.50秒作为关键帧，因为全文清晰、遮挡少，便于标注。","start_frame":270,"end_frame":294,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[707,378,960,544],"positive_points":[[721,409],[745,437],[782,446],[831,472],[889,483],[947,517]],"negative_points":[[659,408],[843,578],[677,556],[902,319]],"evidence":"右侧台地上方可见倾斜的“5.6 METERS TO GO”白字深色描边读数。边界框覆盖整段文字及描边；六个正点分布在数字和各段字母笔画上，负点位于外围背景、台地、桥节点及顶部小球，均不包含在目标内。"}},{"name":"4.3-meter distance readout","description":"The white, dark-outlined text “4.3 METERS TO GO” appearing near the upper right as the bridge grows upward along the ledge.","membership":"Include the entire text block and its typographic outline, including any portion clipped by the image edge. Exclude nearby goo balls, markers, and background graphics.","id":"obj_011","temporal":{"status":"found","start_s":14.25,"end_s":15.25,"reference_s":14.75,"evidence":"目标是右上方白字深色描边的“4.3 METERS TO GO”。14.25秒文字已完整呈现，虽倾斜旋转仍符合条件；最后 qualifying 帧为15.00秒，文字缩小但仍可见。此前14.00秒仅见初始显现的模糊竖向文字，之后15.25秒读数已消失。选择14.75秒作为关键帧，文字清楚、较接近水平，且与附近胶球易于区分。","start_frame":342,"end_frame":366,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[731,189,974,336],"positive_points":[[744,221],[770,240],[800,253],[861,274],[902,283],[961,308]],"negative_points":[[805,153],[771,145],[697,302],[854,419]],"evidence":"目标是右上方倾斜的白色深描边文字“4.3 METERS TO GO”。边界框紧贴整段文字及其描边；六个正点分布在数字和各单词的字形上，负点位于文字外的浅色背景、小标记及下方深色地形上。"}},{"name":"3.1-meter distance readout","description":"The white, dark-outlined text “3.1 METERS TO GO” near the top-right edge after the bridge acquires a higher extension above the ledge.","membership":"Include the visible text block and its typographic outline as it moves and is clipped by the image edge. Exclude the bridge, sleeping balls, and interaction graphics.","id":"obj_012","temporal":{"status":"found","start_s":19.25,"end_s":20.5,"reference_s":20.25,"evidence":"目标是桥梁高处延伸后右上方出现的白色深色描边“3.1 METERS TO GO”。首个符合帧为19.25秒，文字已完整形成但呈旋转状态；按目标范围保留随后被画面边缘裁切的阶段。最后符合帧为20.25秒；相邻的19.00秒尚无该读数，20.50秒已消失。选择20.25秒作为关键帧，因为文字块回到画面内，整体轮廓较完整。","start_frame":462,"end_frame":492,"reference_frame":486},"grounding":{"status":"found","bbox_xyxy":[780.5,136.1,917.2,197.2],"positive_points":[[787.5,156.9],[801.6,163.9],[818,163.9],[846.1,169.4],[877.3,170.8],[905.5,177.8]],"negative_points":[[835.9,111.1],[935.2,169.4],[793,236.1],[888.3,333.3]],"evidence":"目标是右上方白字深色描边的“3.1 METERS TO GO”距离读数。边界框紧贴整段文字及其描边；六个正点分布在数字和各段字母笔画上，四个负点位于文字外的橙色背景、桥梁节点和睡眠球处。"}},{"name":"2.8-meter distance readout","description":"The final white, dark-outlined text “2.8 METERS TO GO” above the right-side goo group after the view has shifted right.","membership":"Include the complete visible text and its typographic outline. Exclude the ledge, goo creatures, cursor effects, and other interface elements.","id":"obj_013","temporal":{"status":"found","start_s":22.25,"end_s":23.0,"reference_s":22.25,"evidence":"目标是右侧黏球群上方白色深描边的“2.8 METERS TO GO”。22.25秒首次完整清晰显示，最后合格帧为22.75秒。紧邻的22.00秒仅见淡色、尚在显现的读数；此后文字持续完整至视频结束，无后续采样��。选择22.25秒作为关键帧，文字完整且无遮挡，便于标注。","start_frame":534,"end_frame":552,"reference_frame":534},"grounding":{"status":"found","bbox_xyxy":[718,73,979,264],"positive_points":[[732,119],[763,137],[793,147],[856,174],[905,205],[961,229]],"negative_points":[[688,118],[859,69],[784,312],[898,444]],"evidence":"目标是右上方倾斜排列的白色深描边文字“2.8 METERS TO GO”。边界框覆盖整段可见文字及其描边；六个正点分布在数字和各词的字形上，负点位于文字外的背景、下方 goo 生物和右侧台地上。"}}]}
+{"video_id":72,"video_type":"2D games","targets":[{"name":"Blue snake-like bird","description":"The controllable character, with an elongated body of alternating bright-blue and dark-blue segments, white eyes, a yellow beak, and a small blue crest. It starts curled on the island’s left ledge, moves around the spikes, and eventually enters the rainbow swirl.","membership":"Include the entire connected character, including its body, head, eyes, beak, and crest, following its changing silhouette. Exclude terrain, the spike barrier, the rainbow swirl, and movement or completion effects.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":7,"evidence":"目标是蓝色深浅相间的长身鸟，带白眼、黄喙和蓝色小冠，始终为同一连通角色。首个合格帧为0秒，角色已完整蜷在左侧平台；视频起点前无采样帧。最后合格帧为15.75秒，角色完整并靠近彩虹漩涡；紧接的16秒帧中角色已开始被漩涡吞没，部分结构消失，16.25秒仅余一小段。选择7秒作关键帧，此时角色直立，整体轮廓清晰，与地形、尖刺及漩涡容易区分。","start_frame":0,"end_frame":384,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[390.1,263.9,451.0,639.8],"positive_points":[[421.9,275.9],[410.9,304.6],[438.5,329.6],[421.9,405.6],[422.9,527.8],[412.5,614.8]],"negative_points":[[462.0,564.8],[544.3,327.8],[529.7,486.1],[378.6,369.4]],"evidence":"目标是岛屿左侧直立的蓝色蛇形鸟，具有交替深浅蓝身体、白眼、黄喙和蓝色冠羽。边界框紧贴冠羽至底部弯曲身体，并包含向右突出的喙。正点分布在冠羽、头、喙及身体上下段；负点位于尖刺障碍、彩虹漩涡、岛屿地形和左侧天空，均不属于角色。"}},{"name":"Grassy rock island","description":"The central brown land formation supporting the puzzle, with lime-green grassy ledges, a darker raised mound, green vegetation behind it, and an arch-shaped opening through its lower portion.","membership":"Include the island’s rock surfaces, embedded markings, grassy edges, and attached vegetation, including visible submerged portions. Follow the stepped and concave outline; exclude the open arch, surrounding water, distant scenery, character, spike barrier, and floating rainbow swirl.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":16.5,"evidence":"目标是中央带荧绿色草沿、深色隆起土丘、附着植被及下部拱洞的棕色岩岛，包括可见水下岩体。首个合格帧为0秒，最后为17.75秒，期间岩岛持续存在，末段仅被庆祝文字和烟花部分遮挡，并未退出或消失。区间到达视频首尾，两端均无外侧采样帧。选择16.5秒作为关键帧，此时角色已消失、庆祝文字尚未覆盖岩岛，主体轮廓与拱洞清楚。","start_frame":0,"end_frame":432,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[297.4,346.3,635.4,1000],"positive_points":[[371.9,458.3],[493.8,504.6],[596.4,620.4],[342.7,731.5],[398.4,952.8],[596.9,955.6]],"negative_points":[[405.2,569.4],[490.6,314.8],[303.1,501.9],[786.5,777.8]],"evidence":"目标是中央带荧绿色草沿、深色隆起和背后植被的棕色岩岛。边框覆盖附着植被、阶梯状岩体及延伸至画面底部的可见水下部分；不将整个矩形视为前景。正点分布于植被、隆起、草沿、岩壁及两侧水下岩体；负点位于尖刺障碍、彩虹旋涡、角色和远景山体，避开拱洞等自然空缺。"}},{"name":"Vertical spike barrier","description":"A narrow upright gray obstacle on the island’s left ledge, immediately to the right of the character’s starting position. It has triangular spikes along both sides and the top, and two large slotted fasteners.","membership":"Include the gray central bar, both fasteners, all attached spikes, and its short base. Exclude the surrounding rock, grass, and character.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":5.5,"evidence":"目标为岛屿左侧平台上的竖直灰色障碍，具有两枚一字槽紧固件、两侧及顶部尖刺和短底座。首个合格帧为0.00秒，最后为17.75秒；其位置随岛屿移动保持一致，末段虽被庆祝文字和烟花局部遮挡，仍可辨认，未见退出或消失。区间覆盖视频首尾，两端均无区间外采样帧。选择5.50秒作为关键帧，此时障碍结构清��，角色与尖刺分离，便于标注。","start_frame":0,"end_frame":432,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[444.8,505.6,479.2,639.8],"positive_points":[[462,535.2],[462,607.4],[450.5,563.9],[474.5,581.5],[457.8,513.9],[461.5,633.3]],"negative_points":[[434.9,574.1],[493.2,623.1],[458.3,660.2],[384.4,547.2]],"evidence":"目标是角色右侧、岛屿左台阶上的竖直灰色尖刺障碍。边框覆盖中央灰条、两个开槽紧固件、两侧及顶部尖刺和短底座。正点分布在紧固件、左右尖刺、顶部及底座；负点位于周围岩石、草地和蓝色角色上。"}},{"name":"Rainbow goal swirl","description":"A floating multicolored spiral above the island’s raised mound. Its curved rainbow bands rotate and deform throughout play, and the blue character disappears into it near completion.","membership":"Include the connected rainbow spiral and its changing outer lobes, following its actual outline. Exclude detached colored particles, the character, background clouds, and completion fireworks.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":1.5,"evidence":"目标是岛屿高丘上方由相连彩虹色弯曲条带组成的悬浮螺旋，不包括脱离的彩色粒子、蓝色角色或烟花。首个合格帧为0.00秒，螺旋已完整呈现；最后合格帧为17.75秒，虽有庆祝烟花遮挡，仍可辨认同一螺旋持续存在，未见退出或消失。区间到达视频首尾，两端均无额外相邻采样帧。选择1.50秒为关键帧，此时螺旋轮廓清楚，未被角色或烟花遮挡。","start_frame":0,"end_frame":432,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[496.9,239.8,595.8,435.2],"positive_points":[[507.3,258.3],[529.2,282.4],[512.0,328.7],[539.1,393.5],[578.1,306.5],[567.2,287.0]],"negative_points":[[591.7,374.1],[620.8,251.9],[421.9,451.9],[541.7,500.0]],"evidence":"目标是岛屿凸起上方悬浮的彩虹螺旋。边界框紧贴相连的彩色旋带及外缘凸瓣，包括左上黄色瓣和下方粉色尾端，不含游离粒子。六个正点分布于不同颜色的旋带；负点位于右侧游离粒子、云朵、蓝色角色和下方土丘。"}},{"name":"Completion message","description":"The large yellow, orange-outlined text “Well done!” that appears across the center after the character reaches the rainbow goal.","membership":"Include the complete lettering and its orange edging, including the exclamation mark, as one text block throughout its reveal. Exclude fireworks, particles, the island, and the rainbow swirl behind it.","id":"obj_005","temporal":{"status":"found","start_s":17.25,"end_s":18.0,"reference_s":17.25,"evidence":"目标是画面中央黄色、橙色描边的“Well done!”完整文字块，包含感叹号。17.00秒右侧字母及感叹号仍未揭示完整；17.25秒首次完整呈现，持续至最后采样帧17.75秒。区间延伸到视频末尾18.00秒，无后续帧。选择17.25秒作为关键帧，此时完整字形清晰，烟花对文字遮挡较少。","start_frame":414,"end_frame":432,"reference_frame":414},"grounding":{"status":"found","bbox_xyxy":[302,418,700,578],"positive_points":[[336,503],[397,509],[446,499],[523,510],[608,510],[682,477]],"negative_points":[[623,352],[466,344],[569,698],[748,488]],"evidence":"目标是画面中央黄色、橙色描边的“Well done!”完成提示。边界框覆盖整段文字及感叹号的可见描边；六个正点分布在不同字母和感叹号上，负点位于外围烟花、彩虹旋涡、岛屿和天空，均不属于文字。"}}]}
+{"video_id":73,"video_type":"2D games","targets":[{"name":"Animated Sudoku board","description":"A large square nine-by-nine grid centered against black, with black pixel-style digits and initially mostly empty white cells. The demonstration fills and rearranges the grid, removes digits to create a puzzle, and tests entries while solving and backtracking.","membership":"Includes the entire square board, its outer boundary, internal grid lines, cell surfaces, and all displayed digits. The extent remains the full board as its contents and cell colors change. Excludes the status text below, surrounding black background, and any superimposed interaction indicators.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":2.25,"evidence":"目标是黑色背景中央的完整九乘九数独棋盘，包括边框、网格、单元格及数字，不含下方状态文字。首个合格帧为0.00秒，棋盘结构已完整建立；此后仅数字和单元格颜色变化，同一棋盘始终存在，最后合格帧为19.75秒。区间覆盖视频首尾，两端均无额外采样帧，也未观察到退出。选择2.25秒作为关键帧，因为整个棋盘清晰无遮挡、数字填满，边界易于标注。","start_frame":0,"end_frame":480,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[254.7,46.3,754.2,931.0],"positive_points":[[281.3,101.9],[497.9,203.7],[713.5,296.3],[343.8,583.3],[583.3,759.3],[664.1,881.5]],"negative_points":[[218.8,416.7],[781.3,574.1],[500.0,23.1],[500.5,952.0]],"evidence":"图中中央的九行九列数字方格即目标数独棋盘。边界框覆盖完整棋盘、外框、内部网格、数字及底行蓝色单元格。六个正点分散在棋盘不同区域的单元格内；负点位于外围黑色背景及下方红色“SHIFTING”状态文字上，均不属于棋盘。"}},{"name":"Algorithm status text","description":"The red pixel-style text centered directly below the board identifies the current operation. It updates through “SEEDING”, “SHIFTING”, “SHUFFLING”, “CREATING SUDOKU”, “SOLVING”, and “BACKTRACKING”.","membership":"Includes the complete currently displayed red status text as one reading unit, following its changing width. Excludes the adjacent board and black backing area.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":4.5,"evidence":"目标是棋盘正下方居中的红色像素风算法状态文字，不包括棋盘或黑色背景。首个合格帧为0.00秒，完整显示“SEEDING”；文字随操作更新且持续完整可见，最后合格帧19.75秒显示“SOLVING”。区间覆盖视频首尾，两端均无区间外采样帧。选择4.50秒为关键帧，因为“CREATING SUDOKU”完整清晰、无遮挡，与棋盘分离，便于标注整个文字单元。","start_frame":0,"end_frame":480,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[365.6,937,640.6,966.7],"positive_points":[[367.7,950],[404.7,940.7],[444.3,940.7],[503.1,963],[534.9,940.7],[634.4,963]],"negative_points":[[505.2,907.4],[338.5,951.9],[669.3,951.9],[505.2,981.5]],"evidence":"目标是棋盘正下方的红色像素文字“CREATING SUDOKU”。边界框紧贴整段文字，包含两个单词及其间隔；六个正点分布在不同字母的红色笔画上，负点位于上方棋盘及文字左右、下方的黑色背景。"}}]}
+{"video_id":74,"video_type":"2D games","targets":[{"name":"Stock take meter","description":"The fixed upper-left status display labeled \"STOCK TAKE\", with a long pale horizontal bar beneath it.","membership":"Includes the label and the complete meter bar. Excludes the game scenery behind and beside the display.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标是固定在左上角的“STOCK TAKE”标签及其下方完整的浅色长横条。首个合格帧为0.00秒，最后一个为14.75秒，全部采样帧中均保持完整显示，没有淡入、淡出或裁切。区间覆盖视频首尾，边界之外没有采样帧。选择0.00秒作为关键帧，因为标签与横条清晰完整，周围背景干净，易于标注。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[13.0,28.7,214.1,80.6],"positive_points":[[16.1,31.5],[38.5,30.6],[79.7,30.6],[27.1,64.8],[106.3,69.4],[202.1,64.8]],"negative_points":[[20,115],[240,67],[100,15],[300,150]],"evidence":"目标是左上角标有“STOCK TAKE”的状态显示。边界框紧密覆盖完整标签及其下方的浅色长条；正点分布在标签字形和长条不同位置，负点位于显示框外的黑色背景，排除周围游戏场景。"}},{"name":"Date and quarter indicator","description":"The fixed upper-right display reading \"July 1996 - Q3\", with groups of short vertical marks underneath.","membership":"Includes the date text and its grouped progress marks. Excludes the separate star counter.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标是右上角固定的“July 1996 - Q3”文字及其下方分组竖条，不包括右侧星星计数器。首个合格帧为0.00秒，末个为14.75秒，整个采样序列中均完整存在。区间覆盖视频起止，边界外没有采样帧。选择0.00秒作为关键帧，文字和竖条清晰，背景干净，便于与星星计数器区分。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[785.4,29.6,899,97.2],"positive_points":[[788.5,41.7],[861.5,38],[788.5,74.1],[825.5,76.9],[857.3,77.8],[895.3,76.9]],"negative_points":[[949.5,68.5],[976,62],[760,74],[844,125]],"evidence":"目标位于右上方，由“July 1996 - Q3”文字及下方四组短竖进度标记组成。边界框紧贴文字和全部进度标记；正点分布在文字笔画与各组竖条上，负点位于独立的数字星星计数器及目标左侧、下方背景。"}},{"name":"Star counter","description":"The fixed counter at the far upper right, showing \"2\" beside a white five-pointed star.","membership":"Includes the numeral and star as one compact status unit. Excludes the neighboring date display and scenery.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标是画面最右上角固定显示的数字“2”和白色五角星，不包括左侧日期。首个合格帧为0.00秒，最后为14.75秒；整个采样序列中该计数器均完整可见，无淡入、淡出或边缘裁切。区间覆盖视频首尾，两端均无额外相邻帧。选择0.00秒作为关键帧，因为数字与星形清晰，黑色背景干净且无遮挡。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[942.2,39.8,988.5,88.9],"positive_points":[[948.4,52.8],[954.2,62],[950,84.3],[975.5,51],[969.8,60],[981.3,74.1]],"negative_points":[[823,39],[858,76],[923,63],[972,111]],"evidence":"目标位于图像最右上角，是数字“2”和白色五角星组成的计数器。边界框紧贴两者的整体可见范围；六个正点分别落在数字笔画和星形实体上，四个负点位于左邻日期、进度条及计数器外部黑色背景，排除相邻显示和场景。"}},{"name":"Yellow mitten tile","description":"A cyan square bearing a yellow mitten with a pale cuff, initially attached to the lower-left edge of the upper striped obstacle.","membership":"Includes the tile surface and mitten graphic, including its outlined or dimmed states. Excludes the adjoining obstacle and transient highlights.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":2.75,"reference_s":0.5,"evidence":"目标是上方斜线障碍物左下侧的青色方块，内有黄色手套及浅色袖口。首个合格帧为0秒，最后为2.50秒；期间可追踪到同一图块的暗化和轮廓状态。2.75秒时手套图形已消失，仅余空框。视频开头之前无采样帧。选择0.50秒作关键帧，因为图块完整、颜色清晰且无遮挡。","start_frame":0,"end_frame":66,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[351.0,292.6,382.3,351.9],"positive_points":[[354.7,300.0],[377.1,300.0],[363.0,312.0],[372.4,325.0],[367.7,343.5],[354.7,329.6]],"negative_points":[[395.3,315.7],[338.5,321.3],[368.2,372.2],[534.9,388.9]],"evidence":"目标位于上方斜纹障碍物左下边缘，是带黄色手套和浅色袖口的青色方块。边界框紧贴可见方块，包含底色及手套图案，不含相邻障碍物。正点分布在底色、手套和袖口上；负点位于相邻障碍物、外部黑色背景及右侧爆炸图案上。"}},{"name":"Clover tile cluster","description":"The compact two-row group of four-lobed symbols initially beside the lower-right corner of the upper striped obstacle. Active tiles have yellow symbols on purple backgrounds; others appear as pale outlines.","membership":"Includes the individual clover-bearing tile surfaces, boundaries, and symbols throughout their changing illumination. Follows the stepped outline of the occupied cluster; excludes adjacent empty extensions and the striped obstacle.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":2.5,"evidence":"目标是上方斜线障碍右下侧的两排四叶符号瓷砖，包含紫底黄符号及浅色轮廓砖，随照明变化保持同一簇。首个合格帧为0.00秒，视频此前无采样帧；最后合格帧为3.00秒。紧邻的3.25秒帧中，该簇上排已开始被画面上边界裁切。选择2.50秒作为关键帧，此时两排瓷砖完整清晰，便于区分瓷砖簇、空白延伸和斜线障碍。","start_frame":0,"end_frame":78,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[460,233,594,352],"positive_points":[[474,260],[510,267],[577,263],[473,321],[542,323],[579,327]],"negative_points":[[436,300],[619,292],[532,198],[409,386]],"evidence":"目标位于上方斜纹障碍物右下侧，是两行四列的四叶草瓷砖组。边界框紧贴八块瓷砖的外缘，包含符号、底色及边框。正点分布于上下两行瓷砖；负点位于左侧斜纹障碍、右侧和上方空白，以及下方爆炸图案，均不属于目标。"}},{"name":"Burst tile pair","description":"Two adjacent dark blue tiles with red-and-yellow burst symbols, initially hanging beneath the upper striped obstacle.","membership":"Includes both tile surfaces and their burst graphics, including outlined and faded states. Excludes the obstacle above and surrounding empty space.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":0.5,"evidence":"目标是上方斜线障碍物下悬挂的两块相邻深蓝色爆裂图案砖。首个合格帧为0.00秒，视频起点之前无采样帧；随后可连续追踪这对砖，包括描述指定的褪色和线框状态，最后合格帧为3.00秒。3.25秒时爆裂图案已消失，只剩空白格框。选择0.50秒作为关键帧，两块砖及红黄色图案均完整清晰，无遮挡。","start_frame":0,"end_frame":78,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[518.2,354.6,585.4,412],"positive_points":[[524,366],[534,396],[547,405],[562,367],[570,396],[580,405]],"negative_points":[[550,331],[506,387],[600,389],[550,436]],"evidence":"目标是上方斜纹障碍物下悬挂的两块相邻深蓝色爆裂图案方块。边界框紧贴两块方块的可见表面，包含红黄色爆裂图案；正点分布在两块表面及图案上，负点位于上方障碍物和两侧、下方的空白背景。"}},{"name":"Smiling square character","description":"The small cream square with a black smiling face, initially above the campfire tiles and remaining near the center as the level scrolls.","membership":"Includes the square body and facial marks. Excludes tiles it touches or carries, selection borders, and brief radiating marks.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":3.25,"evidence":"目标是带黑色笑脸的小奶油色方块，起初位于营火图块上方，随后随关卡滚动持续保持在画面中心附近；不包括接触的图块、选择边框或放射短线。首个合格帧为0.00秒，最后一个为14.75秒，方块身体和面部始终完整可见，因此区间覆盖整个视频，起点之前和终点之后均无采样帧。选择3.25秒作为关键帧，此时角色孤立于黑色背景中，轮廓清楚且无遮挡，容易与周围图块区分。","start_frame":0,"end_frame":360,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[484.9,473.1,518.2,532.4],"positive_points":[[489.6,481.5],[512.5,482.4],[490.6,521.3],[511.5,522.2],[497.4,501.9],[504.2,511.1]],"negative_points":[[468.2,502.8],[534.4,502.8],[501,446.3],[394.8,499.1]],"evidence":"图像中央的小奶油色方块带有黑色笑脸，符合目标角色。边界框紧贴方块完整外缘，包含身体和面部标记；正点分布在身体各部及笑脸上，负点位于周围黑色背景和左侧独立时钟瓷砖上。"}},{"name":"Campfire tile cluster","description":"The stepped two-row arrangement of campfire symbols initially across the top of the lower striped obstacle. Its yellow flames and orange crossed logs alternate between colored and outline-only states as the character interacts with it.","membership":"Includes every campfire-bearing tile in this contiguous arrangement, its surface, boundary, and symbol. Follows the cluster's stepped perimeter. Excludes the character, adjoining clock tiles, underlying obstacle, and temporary selection outlines.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":2.75,"reference_s":0.5,"evidence":"目标是下方斜线障碍物顶部的阶梯状双排营火砖簇，不含笑脸角色、右侧时钟砖和临时选择框。0.00秒已完整出现，视频起点之前无采样帧；至2.50秒所有营火砖仍可辨认，彩色与轮廓状态的切换均保留。2.75秒左端砖块及营火符号开始淡出、消失，因此最后纳入帧为2.50秒。选择0.50秒作为关键帧，双排营火排列完整清晰，便于区分目标与相邻对象。","start_frame":0,"end_frame":66,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[418.2,529.6,652.6,648.1],"positive_points":[[468.2,559.3],[534.4,560.2],[634.9,560.2],[434.9,619.4],[535.9,620.4],[634.4,621.3]],"negative_points":[[501.6,499.1],[669.3,679.6],[544.3,740.7],[569.3,392.6]],"evidence":"目标是下方斜线障碍物顶部的两排阶梯状篝火方块，共13块。包围框覆盖全部篝火方块的表面、边界与图案，不含临时白色选择框。正点分散在上下两排方块上；负点位于上方角色、右侧时钟方块、下方斜线障碍物及更上方的爆炸图案上。"}},{"name":"Clock tile cluster","description":"A narrow stepped group of clock symbols initially descending along the right edge of the lower striped obstacle. The tiles later illuminate with yellow-orange backgrounds and pale circular clock faces.","membership":"Includes the clock-bearing square surfaces, their boundaries, and clock graphics in all visible states. Excludes empty outlined extensions, neighboring campfire tiles, and the striped obstacle.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":4,"reference_s":3.5,"evidence":"目标是下方斜线障碍物右侧呈阶梯状向下排列的时钟方块，包括线框及黄橙色点亮状态，不含空白延伸格。首帧0.00秒已可见完整的时钟方块结构，之后图案和亮色状态变化但保持连续；最后合格帧为3.75秒，4.00秒上端时钟方块开始被画面顶部裁切。视频起点之前无采样帧。选择3.50秒作为关键帧，此时时钟组完整清晰，且容易与上方营火方块区分。","start_frame":0,"end_frame":96,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[348.4,277.8,415.6,575.9],"positive_points":[[365.6,306.5],[399,308.3],[399,369.4],[365.6,425.9],[365.6,488],[365.6,546.3]],"negative_points":[[365,245],[319,440],[423,471],[275,725]],"evidence":"目标是左侧斜纹障碍右边的阶梯状时钟方块组，包含两个未点亮的轮廓时钟格和五个黄橙色时钟格。边界框覆盖全部七格及其边界；正点分布在上方两列和下方纵列的时钟格上，负点位于邻近营火格、斜纹障碍、右侧背景及下方空轮廓延伸区域。"}},{"name":"Horseshoe tile pair","description":"Two vertically stacked horseshoe tiles revealed beneath the obstacle that previously supported the campfires. Their active appearance is blue horseshoes on yellow backgrounds.","membership":"Includes both horseshoe-bearing squares and their contents, including outline-only states. Excludes the obstacle and neighboring yellow silhouette tiles.","id":"obj_010","temporal":{"status":"found","start_s":4.0,"end_s":6.0,"reference_s":4.5,"evidence":"目标是原营火障碍物下方、黄色侧影砖左侧的两枚纵向马蹄砖，包含线框状态。4.00秒两枚砖及马蹄轮廓均已完整出现；前一帧3.75秒对应位置尚为空槽。最后合格帧为5.75秒，6.00秒两砖开始明显淡出。选择4.50秒作为关键帧，两枚蓝色马蹄和黄色底面清晰完整，无遮挡。","start_frame":96,"end_frame":144,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[382.8,238.9,416.7,354.6],"positive_points":[[390.8,253.7],[404.2,277.8],[410.9,288.9],[390.1,308.3],[403.1,336.1],[410.4,344.4]],"negative_points":[[398.4,198.1],[464.6,265.7],[361.5,303.7],[433.9,345.4]],"evidence":"目标是上方斜线障碍物下露出的两块纵向叠放的黄色方砖，内有蓝色马蹄图案。边界框紧贴两块砖的完整可见范围；六个正点分布在上下两块砖的图案及底色上，负点位于上方障碍物、右侧黄色剪影砖和周围黑色背景。"}},{"name":"Yellow curved-silhouette tile row","description":"Three purple tiles beneath the same obstacle, to the right of the horseshoes, each bearing a yellow curved silhouette with a small head-like top.","membership":"Includes the three tile surfaces, boundaries, and repeated yellow graphics. Excludes the gap separating them from the horseshoes and the obstacle above.","id":"obj_011","temporal":{"status":"found","start_s":4.0,"end_s":6.0,"reference_s":4.75,"evidence":"目标是障碍物下方、马蹄铁右侧的三块紫色瓷砖，均带黄色弯曲小头轮廓。首个完整呈现帧为4.00秒，最后合格帧为5.75秒；前一帧3.75秒尚未完整显现三块，后一帧6.00秒已开始变暗淡出。选择4.75秒作为关键帧，三块瓷砖及图案清晰完整，与左侧马蹄铁之间的间隙明确。","start_frame":96,"end_frame":144,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[461.98,236.11,563.54,293.52],"positive_points":[[468.75,278.7],[482.29,262.96],[502.08,280.56],[514.58,261.11],[536.98,280.56],[548.44,262.96]],"negative_points":[[412.5,270.37],[445.31,265.74],[510.42,206.48],[510.42,327.78]],"evidence":"目标是上方斜线障碍物下、马蹄图案右侧的三个紫色黄色曲线剪影方块。边界框紧贴整排三块的可见表面，正点分布于各块的紫色底面和黄色图案；负点位于左侧马蹄块、两组之间的间隙、上方障碍物及下方黑色背景。"}},{"name":"Trident tile row","description":"Three yellow tiles with blue three-pronged symbols on the upper edge of the next lower obstacle. The smiling character lands on and crosses this row.","membership":"Includes all three square tile surfaces and their trident-like graphics, including dimmed and outlined states. Excludes the character, underlying obstacle, and neighboring sail tiles.","id":"obj_012","temporal":{"status":"found","start_s":4.0,"end_s":6.5,"reference_s":4.25,"evidence":"目标是下方障碍物上沿的三个蓝色三叉符号方块，右邻帆形砖，笑脸随后落在该排上。4.00秒三块的表面和图案均已完整可见，包括暗淡及轮廓状态；3.75秒该处仅有空白边框，图案尚未完整出现。最后合格帧为6.25秒；6.50秒最左块的图案已开始淡出消失，三块不再完整呈现。选择4.25秒作为关键帧，此时三块均为清晰黄底蓝色图案，且未被角色遮挡。","start_frame":96,"end_frame":156,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[402.08,593.52,503.13,650.93],"positive_points":[[411.46,601.85],[422.92,629.63],[443.75,603.7],[454.69,629.63],[478.13,601.85],[492.19,631.48]],"negative_points":[[500,501.85],[519.27,682.41],[442.71,722.22],[442.71,555.56]],"evidence":"目标是下方斜线障碍物上沿的三个黄色方块，均带蓝色三叉符号。框紧贴整排方块的可见表面；六个正点分布在三个方块的底色及图案上，负点位于笑脸角色、右侧帆船方块、下方障碍物及上方黑色背景。"}},{"name":"Sail tile cluster","description":"The stepped group of triangular sail-like graphics along the right side of the obstacle topped by the trident row. Active tiles show white and blue shapes on yellow backgrounds.","membership":"Includes the sail-bearing tile surfaces, boundaries, and graphics throughout their changing states. Follows the stepped cluster outline, excluding empty outlined cells, the obstacle, and the trident row.","id":"obj_013","temporal":{"status":"found","start_s":4.5,"end_s":7.0,"reference_s":5.75,"evidence":"目标是三叉戟横排所在障碍物右侧的阶梯状帆形砖块组，包括彩色和线框状态，不含空格及障碍物。4.50秒首次完整呈现，前一帧4.25秒右下方成员仍在淡入；6.75秒为最后完整帧，7.00秒顶部成员已被画面上沿裁切。选择5.75秒作为关键帧，整组轮廓清楚、无遮挡，彩色帆形也易于辨认。","start_frame":108,"end_frame":168,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[474,574.1,540.6,812],"positive_points":[[491,610],[489,668],[525,671],[490,724],[495,787],[529,789]],"negative_points":[[456,545],[450,771],[564,686],[503,501]],"evidence":"目标是三叉戟行下方障碍物右侧的阶梯状帆形砖块群。边界框覆盖三个黄底彩色帆块及下方四个仍有帆形图案的线框状态砖块，沿阶梯轮廓取目标，不包含空白单元。正点分布在彩色砖面和下方帆形图案上；负点位于三叉戟行、障碍物、右侧外部黑色背景及上方笑脸块。"}},{"name":"Sock tile pair","description":"Two horizontally adjacent cyan tiles with orange socks, revealed beneath the sail-bearing obstacle. The character moves underneath them and interacts with the pair.","membership":"Includes both square surfaces and sock graphics. Excludes the character, obstacle above, and temporary enclosing or hatched interaction effects.","id":"obj_014","temporal":{"status":"found","start_s":7.0,"end_s":10.5,"reference_s":7.5,"evidence":"目标是帆图案障碍物下方横向相邻的两块青色橙袜方块，不包含角色及交互边框。7.00秒两块首次完整显现，6.75秒左块仍为轮廓、尚未完成揭示。最后合格帧为10.25秒，10.50秒袜子方块已开始变暗淡出。选择7.50秒作为关键帧，两块图案清晰完整，与角色分离且无临时交互效果遮挡。","start_frame":168,"end_frame":252,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[451.0,406.5,518.8,466.7],"positive_points":[[457.3,417.6],[476.0,417.6],[475.5,450.9],[492.7,417.6],[510.4,417.6],[508.9,450.9]],"negative_points":[[501.6,537.0],[468.8,324.1],[427.1,435.2],[536.5,435.2]],"evidence":"目标是上方斜线障碍物下方、角色上方的两块并排青色袜子方块。边界框紧贴两块方块的完整表面及橙色袜子图案；正点分布于两块的底色和袜子上，负点位于下方角色、上方障碍物及左右外部黑色背景。"}},{"name":"Mug tile cluster","description":"A stepped group of mug symbols on the left side of the next obstacle encountered after the sock pair. Active mugs appear orange-red on muted purple tiles, while inactive ones are pale outlines.","membership":"Includes all mug-bearing tile surfaces, boundaries, and graphics in this cluster. Follows its stepped outline and excludes adjoining empty cells, the striped obstacle, and the separate magnet tiles.","id":"obj_015","temporal":{"status":"found","start_s":11.25,"end_s":15.0,"reference_s":11.5,"evidence":"目标是袜子对之后的条纹障碍左侧、由五个杯子瓷砖组成的阶梯状簇，包含橙红色实心杯和浅色轮廓杯，不含磁铁瓷砖。11.00秒尚有成员未显现，11.25秒首次完整建立；此后持续可见至最后采样帧14.75秒，内部亮暗变化不改变簇的身份。区间延伸至视频末尾15.00秒，之后无采样帧。选择11.50秒作为关键帧，因为五块瓷砖及阶梯边界清晰且无遮挡。","start_frame":270,"end_frame":360,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[494.8,174.1,560.4,351.9],"positive_points":[[542.7,202.8],[543.2,265.7],[509.9,267.6],[510.4,325.0],[543.2,326.9],[500.0,338.9]],"negative_points":[[509.4,198.1],[585.4,276.9],[611.5,441.7],[476.6,296.3]],"evidence":"目标是条纹障碍物左侧的阶梯状五格杯子簇，包含三个橙红色杯子格和两个浅色轮廓杯子格。框覆盖全部杯子格的表面、边界与图案；正点分布于五格内，负点位于左上缺格处、外部背景、右侧条纹障碍物及下方独立磁铁格。"}},{"name":"Plus-minus tile pair","description":"Two adjacent tiles beneath the mug-bearing obstacle, each diagonally divided into pale and dark blue areas with a plus and minus sign.","membership":"Includes both tile surfaces, diagonal divisions, boundaries, and arithmetic symbols, including their faded or outline-only states. Excludes the obstacle above and empty outlined extensions.","id":"obj_016","temporal":{"status":"found","start_s":11.5,"end_s":13.0,"reference_s":11.5,"evidence":"目标是杯子图块所在障碍物下方的相邻加减号双图块，均有浅色与深蓝色的对角分区。11.50秒首次完整显示两块；11.25秒仅左块出现，右侧仍为空框。按描述纳入淡色及轮廓状态，最后合格帧为12.75秒；13.00秒右块已消失，仅余左块与空框。选择11.50秒作为关键帧，因为两块的表面、分区和符号都清晰可见。","start_frame":276,"end_frame":312,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[595.3,414.8,663,472.2],"positive_points":[[600.5,439.8],[619.3,455.6],[623.4,429.6],[638.5,427.8],[632.8,450.9],[653.6,455.6]],"negative_points":[[677.1,379.6],[578.1,450],[625,500],[543.8,325.9]],"evidence":"目标是杯子所在障碍物下方相邻的两块加减号瓷砖。框紧贴两块瓷砖的可见表面与边界，不含上方障碍物。六个正点分布在两块砖的浅色、深蓝色区域及算术符号上；负点位于上方障碍物、左侧和下方空白及杯子上。"}},{"name":"Magnet tile pair","description":"Two cyan tiles with dark blue U-shaped magnets and purple tips on top of the mug-bearing obstacle. The character reaches and pushes against this pair near the end.","membership":"Includes both tile surfaces, boundaries, and magnet graphics throughout movement and state changes. Excludes the character, supporting obstacle, and temporary selection or hatching effects.","id":"obj_017","temporal":{"status":"found","start_s":13.25,"end_s":15.0,"reference_s":13.75,"evidence":"目标是杯子图案障碍物顶部的两块青色磁铁砖，均有深蓝色U形磁铁及紫色端头。13.25秒两块砖的表面和图案首次完整呈现；前一帧13.00秒右砖仍为轮廓，尚未完成初始显现。最后合格帧为14.75秒，移动及临时斜线高亮不改变砖块身份。区间延续至视频末尾15.00秒，没有后续帧。选择13.75秒作关键帧，两块砖清楚完整，且无临时高亮遮扰。","start_frame":318,"end_frame":360,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[518.23,469.44,585.42,525.93],"positive_points":[[521.35,475.93],[533.33,511.11],[548.44,494.44],[554.69,475.93],[568.23,513.89],[581.77,500.93]],"negative_points":[[501.56,497.22],[604.69,559.26],[597.92,495.37],[468.23,736.11]],"evidence":"目标是画面中部偏右、大型斜线障碍物顶部的两个青色磁铁方块，位于白色角色右侧。框紧贴两个方块的整体可见边界，包含底色和磁铁图案。六个正点分布于两块的表面及图案；负点位于角色、下方支撑障碍物、右侧黑色背景和左下方杯子方块，均不属于目标。"}},{"name":"Candle tile cluster","description":"A two-row rectangular group of candle symbols beneath the upper obstacle in the final section. Colored tiles show orange candle bodies with yellow tops on cyan backgrounds; the upper row is predominantly outlined.","membership":"Includes the candle-bearing square surfaces, boundaries, and candle graphics in both rows. Excludes neighboring heart groups, empty outlined extensions, and the striped obstacle.","id":"obj_018","temporal":{"status":"found","start_s":13.25,"end_s":15.0,"reference_s":14.0,"evidence":"目标是末段上方斜纹障碍物下的两排蜡烛方块，上排主要为轮廓，下排为青底橙黄蜡烛，不包含两侧爱心。13.00秒部分方块仍较暗、处于显现过程；13.25秒两排结构完整清晰，为首个合格帧，随后持续至最后采样帧14.75秒。视频在15.00秒结束，无后续帧。选择14.00秒作为关键帧，此时整个蜡烛组无遮挡，边界及图案清楚。","start_frame":318,"end_frame":360,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[417.7,173.1,585.4,293.5],"positive_points":[[434.9,203.7],[501,201.9],[567.7,202.8],[433.9,270.4],[472.9,263.9],[534.4,265.7]],"negative_points":[[468.8,144],[635,263],[600,100],[599,337]],"evidence":"目标是上方条纹障碍物下方的两行五列蜡烛方块。框覆盖上排轮廓蜡烛和下排青底彩色蜡烛的方块表面及边界。正点分布于两排的左、中、右部；负点位于邻近心形组、条纹障碍物和右下方外部背景，均不属于目标。"}},{"name":"Left heart tile cluster","description":"The compact stepped group of single-heart outline tiles to the left of the upper obstacle in the final section, above the left end of the candles.","membership":"Includes the heart-bearing tile surfaces, boundaries, and enclosed heart graphics. Follows the stepped cluster perimeter. Excludes empty surrounding cells and the candle tiles below.","id":"obj_019","temporal":{"status":"found","start_s":13.25,"end_s":13.5,"reference_s":13.25,"evidence":"目标是末段上方障碍左侧、蜡烛左端上方的阶梯状四枚单心形描边砖块，不含空格和蜡烛。13.25秒四枚砖块的边界及心形均完整清晰，是本次出现的首末合格帧；前一帧13.00秒仅部分心形淡显，尚未完整呈现，后一帧13.50秒顶部砖块已开始变暗消退。选择13.25秒为关键帧，整组轮廓清楚且无遮挡。","start_frame":318,"end_frame":324,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[409.4,55.6,510.4,175.9],"positive_points":[[493.2,84.3],[426.6,142.6],[459.9,142.6],[493.2,144.4],[482.8,101.9],[417.7,161.1]],"negative_points":[[459.4,84.3],[459.4,206.5],[546.9,92.6],[390.6,143.5]],"evidence":"目标是上方斜线障碍左侧、蜡烛上方的四块单心形轮廓砖，排列为下排三块、右上方一块。边界框覆盖该阶梯状砖组；正点分布在四块砖的表面和心形图案内，负点位于左上空单元、下方蜡烛、右侧障碍及左侧背景，均不包含在目标中。"}},{"name":"Right heart tile cluster","description":"The separate small heart-symbol group to the right of the candles in the final section. It includes a large heart divided into yellow and orange halves, an outlined single heart above, and a neighboring double-heart symbol.","membership":"Includes the occupied heart-bearing squares, their boundaries, and all heart graphics within this group, including fading and outline-only states. Excludes empty outlined cells, the candle cluster, and the obstacle above.","id":"obj_020","temporal":{"status":"found","start_s":13.5,"end_s":14.5,"reference_s":13.75,"evidence":"目标是蜡烛右侧独立的心形方格组，含上方轮廓心、下方黄橙双色大心及右侧双心。13.50秒首次完整呈现，14.25秒为最后合格帧；此前13.25秒仅出现部分心形格，整组尚未揭示完成，随后14.50秒开始淡出。选择13.75秒作关键帧，三部分及格子边界清晰，无遮挡。","start_frame":324,"end_frame":348,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[618.8,176.9,686.5,293.5],"positive_points":[[621.9,194.4],[635.4,211.1],[629.2,258.3],[641.1,265.7],[682.3,246.3],[655.7,267.6]],"negative_points":[[669.8,201.9],[567.7,263],[666.7,137],[599,263.9]],"evidence":"目标是蜡烛群右侧独立的心形方格组。边界框覆盖上方单心轮廓、下方黄橙双色心和右下双心的三个有图案方格。正点分布在心形轮廓及彩色心内部；负点位于右上空格、蜡烛、上方障碍和组外黑色背景，均不属于目标。"}}]}
+{"video_id":75,"video_type":"2D games","targets":[{"name":"Health meter","description":"A horizontal, black-outlined meter near the top center, with a red filled portion and a dark segmented remainder. Its red fill increases as the patient heals.","membership":"Includes the complete rounded meter frame, enclosed track, segment markings, and current fill. Excludes nearby characters and transient glowing effects.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标是画面顶部中央的横向圆角血量计，具有黑色外框、红色填充和深色分段余量。首个合格帧为0.00秒，最后为14.75秒；全程结构完整，红色填充增加不影响其连续身份。区间覆盖视频起止边界，两端均无界外采样帧。选择0.00秒为关键帧，血量计轮廓及分段清晰，无发光效果遮挡。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[398,193,630,270],"positive_points":[[411,230],[459,240],[505,203],[534,236],[582,230],[614,253]],"negative_points":[[509,142],[509,318],[350,230],[670,230]],"evidence":"目标是图像顶部中央的横向生命值槽，具有黑色圆角边框、左侧红色填充和右侧深色分段。边界框覆盖完整边框及内部轨道；六个正点分布在填充、上边框和分段区域，四个负点位于槽外上下左右的背景。"}},{"name":"Food selection tile","description":"The upper-right rounded square initially contains a small illustration of vegetables. It turns red when selected and subsequently becomes empty.","membership":"Includes the tile’s outer border, enclosed surface, and displayed food illustration while present. Excludes the watermark and the separate food basket later placed in the play area.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0.5,"evidence":"目标是右上角带圆角边框的食物选择方块，包含底面及起初的蔬菜图案。首个合格帧为0秒，最后为14.75秒；13.5秒变红，13.75秒翻转至侧面，14秒起变为空白，但仍是同一完整方块，内容变化不终止其连续出现。区间覆盖视频首尾，边界外没有采样帧。选择0.5秒作为关键帧，此时边框、底面和食物图案清楚可辨。","start_frame":0,"end_frame":360,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[859,41,993,243],"positive_points":[[875,98],[974,104],[882,207],[966,211],[907,145],[947,161]],"negative_points":[[822,149],[923,301],[924,457],[704,440]],"evidence":"目标是右上角显示蔬菜插图的圆角方形食物选择格。边界框紧贴格子的外边框，包含内部底面和食物插图；正点分布在底面及插图上，避开顶部水印。负点位于格子外的背景、下方另一格子及场景中的火堆上。"}},{"name":"Pink standing character","description":"A pale-pink, round-headed humanoid standing to the left of the patient. It later raises its arms beside a smaller yellow character.","membership":"Includes the character’s head, body, limbs, and black outline through its changes of pose. Excludes the yellow character, floating text, and emitted light effects.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0.5,"evidence":"目标是病人左侧带黑色轮廓的浅粉色圆头人形，包含头、身体和四肢；后续在黄色小人旁举起双臂，仍是同一角色。首个合格帧为0.00秒，末个为14.75秒，全程结构完整且持续可见。区间覆盖视频起止，边界外没有采样帧。选择0.50秒作为关键帧，此时角色轮廓清楚、无遮挡，且尚无黄色小人或升级文字干扰。","start_frame":0,"end_frame":360,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[320,348,393,551],"positive_points":[[355,384],[337,408],[357,463],[330,475],[341,524],[368,520]],"negative_points":[[282,439],[421,443],[492,632],[704,439]],"evidence":"目标是患者左侧站立的浅粉色圆头人形。边界框紧贴其头部、躯干、四肢及黑色轮廓；六个正点分布在头部、身体和四肢上，负点位于两侧背景、右侧患者及火堆上。"}},{"name":"Open campfire","description":"A small red-and-yellow flame above a compact ring of brown stones, initially to the upper right of the patient before a brick stove appears there.","membership":"Includes the flames and the supporting stone-and-fuel arrangement. Excludes the later brick stove, floating upgrade text, and transition flashes.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":2.75,"reference_s":0.5,"evidence":"目标是病人右上方的红黄色明火及其下方棕色石块、燃料支撑，不含砖炉和升级文字。首个合格帧为0.00秒，末个为2.50秒，期间篝火结构完整可见；2.75秒已出现砖炉转化闪光，不再是独立露天篝火。区间起于视频开头，没有更早帧。选择0.50秒作为关键帧，火焰和底部支撑清晰且无遮挡。","start_frame":0,"end_frame":66,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[657,382,757,500],"positive_points":[[693,419],[728,436],[702,452],[670,473],[695,486],[734,476]],"negative_points":[[634,402],[784,436],[705,551],[635,523]],"evidence":"目标位于患者右上方，是红黄色火焰与下方褐色石块、燃料组成的小篝火。边界框紧贴火焰及支撑结构；六个正点分布在火焰和底部石块、燃料上，四个负点位于篝火周围明显分离的棕色背景。"}},{"name":"Resting patient and bedding","description":"The central reclining figure has a round blue head on a white pillow and a white covering with a green panel patterned with pink spots. The bedding becomes thicker during an upgrade.","membership":"Includes the blue-headed patient, pillow, patterned covering, and the supporting bed or mattress as one compact resting unit. Follows its visible outline, excluding the separate syringe, ice cubes, floating status text, and temporary glow.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":4.5,"evidence":"目标是中央蓝色圆头、白色枕头及带绿底粉色斑点被子的卧床单元，包含下方床垫，不含针筒、冰块和浮动文字。0.00秒已完整呈现，此后床垫升级增厚但仍为同一连续存在的目标；最后一帧14.75秒仍完整可见。区间到达视频首尾，没有边界外的采样帧。选择4.50秒作为关键帧，此时患者与增厚床垫轮廓清晰，且无升级文字或临时光效干扰。","start_frame":0,"end_frame":360,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[430,514,639,696],"positive_points":[[479,578],[521,542],[507,631],[572,589],[613,642],[546,678]],"negative_points":[[400,711],[611,737],[355,465],[689,617]],"evidence":"目标是中央躺卧的蓝头病人与床铺整体。框覆盖蓝色头部、白色枕头、绿底粉斑被面及下方床垫；正点分布在这些部位，负点位于独立针筒、冰块、左侧站立人物及右侧背景，排除这些非目标内容。"}},{"name":"Medicine syringe","description":"A horizontal syringe below and to the left of the patient, with its needle pointing left and red medicine inside. It grows into a larger graduated syringe.","membership":"Includes the needle, barrel, red contents, markings, flanges, plunger, and outline throughout the size change. Excludes upgrade text and bright transition effects.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":4.5,"evidence":"目标是患者左下方横放的注射器，针尖朝左，针筒内有红色药液；升级后变为带刻度的大注射器，身份连续。首个合格帧为0.00秒，末个为14.75秒，全程可见，尺寸变化及升级光效不构成退出。区间覆盖视频首尾，边界外均无采样帧。选择4.50秒作为关键帧，此时大注射器轮廓、针尖、刻度和推杆清晰，无升级文字或强光遮挡。","start_frame":0,"end_frame":360,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[311.4,655.4,479.5,756.8],"positive_points":[[329.5,706.1],[372.7,706.1],[400,739.9],[420.5,702.7],[445.5,726.4],[465.9,682.4]],"negative_points":[[295.5,770.3],[531.8,614.9],[611.4,729.7],[295.5,520.3]],"evidence":"目标是患者左下方、针头朝左且装有红色药液的横向注射器。框覆盖针头、筒身、药液、刻度、凸缘和右侧推杆轮廓；正点分布在这些部件上，负点位于外部地面、患者、冰块及黄色人物上。"}},{"name":"Ice cubes","description":"A small cluster of pale-blue ice cubes beside the lower-right edge of the patient’s bedding.","membership":"Includes all cubes in the compact pile, their outlines, and visible faces. Excludes the neighboring pillow and bed, surrounding ground, and initial appearance flash.","id":"obj_007","temporal":{"status":"found","start_s":0.25,"end_s":15.0,"reference_s":0.5,"evidence":"目标是患者寝具右下侧的一小堆浅蓝色冰块，包含各冰块的轮廓和可见面。0.00秒该位置仍为初始白色闪光；0.25秒冰块结构已完整显现，此后持续可见，最后一个符合条件的采样帧为14.75秒。区间延伸至视频结束15.00秒，之后无采样帧。选择0.50秒为关键帧，冰块轮廓清楚，与邻近枕头和床铺容易区分。","start_frame":6,"end_frame":360,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[573,682,650,770],"positive_points":[[605,709],[621,702],[586,736],[595,753],[623,736],[636,753]],"negative_points":[[600,659],[520,645],[682,750],[425,726]],"evidence":"目标是病人 bedding 右下方的一小堆淡蓝色冰块。边界框紧贴整堆冰块的可见表面及轮廓；六个正点分布在上方及下方各冰块上，负点位于邻近枕头、 bedding、右侧地面和左侧针筒，均不属于冰块。"}},{"name":"Brick stove","description":"A domed red-brick stove that replaces the open campfire to the patient’s upper right. It has a dark front opening with a hanging pot above the fire and a short chimney.","membership":"Includes the brick structure, enclosed front opening and its pot, fire and stones, top surface, and chimney. Excludes detached smoke puffs, heat-wave effects, and floating upgrade text.","id":"obj_008","temporal":{"status":"found","start_s":3.0,"end_s":15.0,"reference_s":4.5,"evidence":"目标是病人右上方替代露天篝火的红砖穹顶炉，包含前方暗色开口、锅、火焰、石块和短烟囱。2.75秒仍处于半透明淡入阶段，3.0秒炉体完整清晰，首次符合条件；最后符合条件的帧为14.75秒，持续至视频结束15.0秒，之后没有采样帧。选择4.5秒作为关键帧，此时炉体完整、无遮挡，升级文字已消失；分离的烟团不属于目标。","start_frame":72,"end_frame":360,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[618,226,793,497],"positive_points":[[707,270],[716,311],[643,385],[773,432],[705,395],[700,459]],"negative_points":[[707,197],[570,591],[820,409],[661,557]],"evidence":"目标是病人右上方的圆顶红砖炉。边界框覆盖砖砌主体、顶面、短烟囱，以及炉口内的锅、火焰和底部石块；不包含上方分离的白色烟团。正点分布在烟囱、炉顶、两侧砖墙及炉口内容上，负点位于烟团、病人和炉外背景。"}},{"name":"Yellow standing character","description":"A small yellow, round-headed humanoid that appears immediately to the left of the taller pink character and later lifts an arm.","membership":"Includes its head, torso, limbs, and black outline through its pose changes. Excludes the pink character, floating upgrade text, and glowing effects.","id":"obj_009","temporal":{"status":"found","start_s":3.75,"end_s":15.0,"reference_s":4.5,"evidence":"目标是高个粉色角色左侧的小型黄色圆头人形，包含黑色轮廓及头、躯干和四肢，后续抬臂仍为同一角色。3.50秒仅见其发白的显现效果，3.75秒黄色角色结构完整，首次符合条件；此后持续可见，最后合格帧为14.75秒，因此区间结束于视频末尾15.00秒，末尾之外无采样帧。选择4.50秒作为关键帧，此时角色轮廓清晰，升级文字已消失，也无发光效果遮挡。","start_frame":90,"end_frame":360,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[270.5,445.9,325,581.1],"positive_points":[[293.2,476.4],[295.5,533.8],[279.5,540.5],[313.6,533.8],[286.4,567.6],[306.8,567.6]],"negative_points":[[353.4,402],[356.8,483.1],[247.7,510.1],[295.5,625]],"evidence":"目标是较高粉色人物左侧的黄色圆头小人。边界框紧贴其头部、躯干、四肢及黑色轮廓；六个正点分布在头、躯干、双臂和双脚，负点位于粉色人物及黄色人物左侧、下方的外部背景。"}},{"name":"Vegetable basket","description":"A tan basket of green and orange vegetables that appears between the pink character and brick stove, above the resting patient, after the food tile is selected.","membership":"Includes the basket’s boundary, front emblem, rim, enclosed contents, and vegetables protruding above it. Excludes the separate selection tile and the appearance flash.","id":"obj_010","temporal":{"status":"found","start_s":14.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标位于粉色角色与砖炉之间、病人上方，是带前方徽记、篮沿及突出篮口的绿色和橙色蔬菜的棕色篮子，不包括右上角选择图块。14.25秒为出现闪光，紧邻起点前的14.50秒篮子仍处于淡入状态；14.75秒结构完整且颜色已清晰建立，是首个及最后一个合格采样帧，因此选作关键帧。区间延续至15.0秒视频结束，之后没有采样帧。","start_frame":354,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[475,318,568,473],"positive_points":[[505,334],[545,348],[520,375],[484,388],[495,436],[541,439]],"negative_points":[[355,439],[702,378],[527,581],[598,334]],"evidence":"目标是粉���人物与砖炉之间、卧床患者上方的蔬菜篮。框覆盖篮体边界、正面徽记、篮沿及上方突出的蔬菜；正点分布于蔬菜、篮沿和篮体，负点位于粉色人物、砖炉、患者及篮外背景。"}}]}
+{"video_id":76,"video_type":"2D games","targets":[{"name":"Opening score display","description":"White pixel text at the upper left of the black introduction screen, reading \"MARIO\" above \"000000\".","membership":"Includes both lines of text; excludes the black background and neighboring coin counter.","id":"obj_001","temporal":{"status":"found","start_s":0.0,"end_s":0.5,"reference_s":0.0,"evidence":"目标是黑色介绍画面左上角的白色像素文字“MARIO”和下方“000000”，不含右侧金币计数。首个合格帧为0.00秒，最后一个为0.25秒，两行文字均完整显示；视频起点前无采样帧，紧邻的0.50秒帧中该文字已消失，只剩黑色画面及底部水印。选择0.00秒作为关键帧，文字清晰、无遮挡。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[87.5,10.42,275,85.42],"positive_points":[[92.19,25],[131.25,16.67],[235.94,27.08],[92.19,64.58],[160.94,52.08],[259.38,81.25]],"negative_points":[[62.5,52.08],[173.44,125],[353.13,64.58],[312.5,27.08]],"evidence":"目标是画面左上角的白色像素文字，上行为“MARIO”，下行为“000000”。边界框紧贴两行完整文字；六个正点分布在两行字形笔画上，负点位于文字外侧的黑色背景及右侧独立的金币计数图标上。"}},{"name":"Opening coin counter","description":"A small gold coin icon followed by \"×00\" near the top of the introduction screen.","membership":"Includes the coin icon, multiplication sign, and count as one compact status unit; excludes surrounding background.","id":"obj_002","temporal":{"status":"found","start_s":0.0,"end_s":0.5,"reference_s":0.0,"evidence":"目标是介绍画面顶部的金色硬币图标及其右侧“×00”，作为一个完整计数单元。首个合格帧为0.00秒，最后合格帧为0.25秒；0.50秒画面变黑，该单元消失，因此结束于0.50秒。区间始于视频开头，没有更早的采样帧。选择0.00秒作为关键帧，图标和文字完整清晰且无遮挡。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[343.75,47.92,464.06,87.5],"positive_points":[[352,65],[354,77],[386,71],[408,65],[448,52],[456,69]],"negative_points":[[311,69],[489,69],[402,25],[398,121]],"evidence":"目标位于画面顶部、分数右侧，是金币图标及其后的“×00”。边界框紧密覆盖这一完整计数单元；六个正点分布在金币、乘号和两个数字的可见笔画上，四个负点位于单元外围的黑色背景。"}},{"name":"Opening world display","description":"White \"WORLD\" text above \"1-1\" near the top center-right of the introduction screen.","membership":"Includes the label and level number; excludes the separate central level announcement.","id":"obj_003","temporal":{"status":"found","start_s":0.0,"end_s":0.5,"reference_s":0.0,"evidence":"目标是介绍画面顶部偏右的白色“WORLD”及其下方“1-1”，不包含中央的关卡公告。首个合格帧为0.00秒，最后合格帧为0.25秒，两帧中文字均完整显示；0.50秒画面变黑，目标消失，随后游戏画面的显示不合并为此次出现。区间始于视频开头，没有更早的相邻帧。选择0.00秒作为关键帧，文字清晰完整且无遮挡。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[559.4,10.4,715.6,87.5],"positive_points":[[565.6,25],[607.8,14.6],[631.3,25],[707.8,27.1],[609.4,72.9],[670.3,72.9]],"negative_points":[[812.5,29.2],[353.1,329.2],[637.5,135.4],[354.7,66.7]],"evidence":"目标是顶部中央偏右的白色“WORLD”及其下方“1-1”，边界框紧贴这两行文字。六个正点分布在标签及关卡数字的笔画上；负点位于右侧TIME、中央独立关卡公告、下方黑色背景及左侧金币图标，均不属于目标。"}},{"name":"Opening time label","description":"White \"TIME\" text at the upper right of the black introduction screen.","membership":"Includes only the text glyphs, not the surrounding background.","id":"obj_004","temporal":{"status":"found","start_s":0.0,"end_s":0.5,"reference_s":0.0,"evidence":"目标为黑色开场介绍画面右上角的白色“TIME”文字，仅包含字形。首个合格帧为0.00秒，最后一个为0.25秒，文字均完整清晰；0.50秒画面变黑，目标消失。区间从视频起点开始，没有更早的采样帧。选择0.00秒作为关键帧，文字完整且无遮挡。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[784,10,903,48],"positive_points":[[795,15],[800,38],[828,25],[850,31],[864,19],[888,42]],"negative_points":[[758,33],[938,33],[850,92],[701,29]],"evidence":"目标为画面右上角白色“TIME”标签，边界框紧贴完整四个字母。六个正点分���在各字母的实际笔画上；负点位于标签左侧、右侧及下方的黑色背景，以及左侧独立的“WORLD”文字上。"}},{"name":"Central level announcement","description":"The large central \"WORLD 1-1\" text on the introduction screen.","membership":"Includes the complete single-line announcement; excludes Mario and the life count below it.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标是介绍画面中央完整的单行“WORLD 1-1”文字，不含下方马里奥和生命数。首个合格帧为0.00秒，最后合格帧为0.25秒，两帧文字均完整清晰；紧邻的0.50秒帧已变为黑屏，目标消失。区间从视频起点开始，没有更早帧。选择0.00秒作为关键帧，文字无遮挡且易于区分。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[339.1,312.5,620.3,350],"positive_points":[[346.9,320.8],[382.8,316.7],[409.4,331.3],[489.1,327.1],[546.9,333.3],[607.8,337.5]],"negative_points":[[403.1,468.8],[575,481.3],[628.1,29.2],[484.4,266.7]],"evidence":"目标是画面中央、马里奥与生命数上方的单行“WORLD 1-1”。边界框紧贴整行文字，正点分布于字母和数字笔画；负点位于下方马里奥、生命数、顶部另一处WORLD文字及目标上方背景，均不包含在目标内。"}},{"name":"Introduction Mario icon","description":"Small red-and-brown Mario sprite beneath the central level announcement, to the left of the life count.","membership":"Includes the complete character sprite, following its silhouette; excludes the adjacent multiplication sign and numeral.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标是开场黑底画面中央“WORLD 1-1”下方、生命数“× 3”左侧的完整红棕色马里奥精灵，不含乘号和数字。首个合格帧为0.00秒，最后为0.25秒，两帧中精灵均完整显示；区间从视频起点开始，无更早帧。紧邻的0.50秒帧已变为黑屏，目标消失。选择0.00秒作为关键帧，轮廓清楚且无遮挡。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[379.7,433.3,428.1,508.3],"positive_points":[[403.1,441.7],[414.1,456.3],[390.6,470.8],[403.1,479.2],[387.5,500],[420.3,497.9]],"negative_points":[[479.7,485.4],[575,481.3],[354.7,466.7],[403.1,547.9]],"evidence":"目标是中央“WORLD 1-1”下方、生命数左侧的马里奥精灵。边界框紧贴完整角色轮廓；正点分布在帽子、脸、身体和双脚，负点位于右侧乘号、数字3及角色外部黑色背景，不包含相邻文字。"}},{"name":"Starting life count","description":"White \"× 3\" to the right of the introduction Mario icon.","membership":"Includes the multiplication sign and numeral; excludes the separate Mario graphic and background.","id":"obj_007","temporal":{"status":"found","start_s":0.0,"end_s":0.5,"reference_s":0.0,"evidence":"目标是关卡介绍画面中马里奥图标右侧的“× 3”，仅包含乘号和数字。首个合格帧为0.00秒，最后合格帧为0.25秒，两帧中均完整可见；0.50秒画面变黑，目标消失。区间到达视频起点，之前无采样帧。选择0.00秒作为关键帧，文字完整清晰且无遮挡。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[470.3,464.6,589.1,500],"positive_points":[[471.9,475],[482.8,481.3],[485.9,495.8],[573.4,466.7],[576.6,481.3],[570.3,495.8]],"negative_points":[[404.7,470.8],[628.1,483.3],[531.3,554.2],[531.3,416.7]],"evidence":"目标是画面中央马里奥图标右侧的“× 3”。边界框紧贴乘号和数字的整体范围；六个正点分布在两者的可见笔画上，负点位于左侧独立的马里奥图形及目标上、下、右方的外部背景。"}},{"name":"Gameplay score display","description":"Upper-left \"MARIO\" label and six-digit score during gameplay; the score increases as Mario collects items and defeats enemies.","membership":"Includes the label and changing numeric score; excludes the sky and neighboring coin counter.","id":"obj_008","temporal":{"status":"found","start_s":0.75,"end_s":15.0,"reference_s":8.5,"evidence":"目标是游戏画面左上角的“MARIO”标签及其下方六位分数，不含右侧金币计数。此段连续出现首帧为0.75秒，标签和分数已完整显示；前一帧0.50秒为黑屏，没有该显示。之后分数随游戏变化，但显示区域持续存在，最后合格帧为14.75秒，区间延续至视频结束15.0秒，之后无采样帧。选择8.50秒作为关键帧，标签与分数清晰完整，无遮挡且易与金币计数区分。","start_frame":18,"end_frame":360,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[85,8,277,88],"positive_points":[[94,21],[160,19],[226,14],[92,63],[197,69],[268,65]],"negative_points":[[354,69],[419,69],[290,135],[63,44]],"evidence":"目标是左上角的“MARIO”标签及其下方六位分数“001400”。边界框紧��覆盖两行完整文字；六个正点分布在标签和数字的笔画上，负点位于周围天空及右侧独立的金币计数器上。"}},{"name":"Gameplay coin counter","description":"Gold coin icon and adjacent count at the top of the gameplay screen, initially \"×00\" and later \"×02\".","membership":"Includes the icon, multiplication sign, and changing count as one status unit; excludes surrounding scenery.","id":"obj_009","temporal":{"status":"found","start_s":0.75,"end_s":15.0,"reference_s":5.0,"evidence":"目标为游戏画面顶部的金币图标、乘号及相邻计数，作为同一状态单元，计数从×00变为×02。首个符合条件的游戏帧为0.75秒，前一帧0.50秒为黑屏；此前关卡介绍画面的显示不与本次连续出现合并。最后符合条件的帧为14.75秒，目标仍完整可见，区间延续至视频结束，无后续帧。选择5.00秒作为关键帧，此时金币图标和×02清晰完整、无遮挡。","start_frame":18,"end_frame":360,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[343,48,467,92],"positive_points":[[354,65],[353,79],[387,73],[417,55],[409,73],[450,79]],"negative_points":[[305,67],[498,70],[407,132],[605,65]],"evidence":"目标位于画面顶部，为金币图标及右侧的“×02”。边界框紧密覆盖图标、乘号和两位数字；正点分布在这些内容上，负点位于周围紫色背景及右侧 WORLD 状态文字处，排除其他画面内容。"}},{"name":"Gameplay world display","description":"White \"WORLD\" above \"1-1\" near the top center-right during gameplay.","membership":"Includes both text lines; excludes the sky and neighboring timer.","id":"obj_010","temporal":{"status":"found","start_s":0.75,"end_s":15.0,"reference_s":1.0,"evidence":"目标是游戏画面顶部偏右的白色两行文字“WORLD”和“1-1”，不含旁边的计时器。此次连续出现的首个合格帧为0.75秒，前一帧0.50秒为黑屏，目标不可见；最后合格帧为14.75秒，两行文字仍完整显示，因此区间延伸至视频结束15.0秒，之后无采样帧。选择1.0秒作为关键帧，文字完整清晰，与天空及相邻计时器容易区分。","start_frame":18,"end_frame":360,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[559,8,719,88],"positive_points":[[566,25],[603,15],[707,28],[608,70],[639,65],[675,73]],"negative_points":[[530,100],[751,105],[854,27],[637,135]],"evidence":"目标是画面顶部中央偏右的白色“WORLD”及下方“1-1”。边界框紧贴并覆盖两行完整文字；六个正点分布在两行的实际字形笔画上，负点位于文字外围的天空及右侧计时器上。"}},{"name":"Gameplay timer","description":"Upper-right \"TIME\" label with a descending three-digit value, beginning at \"400\".","membership":"Includes the label and changing digits; excludes background scenery.","id":"obj_011","temporal":{"status":"found","start_s":0.75,"end_s":15.0,"reference_s":1.0,"evidence":"目标是右上角的“TIME”标签及其下方递减的三位数字。首个完整呈现帧为0.75秒，数值为400；此前0.50秒为黑屏，未显示计时器。此后标签与变化的数字持续可见，最后合格帧为14.75秒，因此区间延至视频结束15.0秒，之后没有采样帧。选择1.0秒作为关键帧，因为“TIME”和“400”清晰完整、无遮挡。","start_frame":18,"end_frame":360,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[785,8,908,88],"positive_points":[[795,17],[856,21],[892,40],[824,67],[850,65],[900,65]],"negative_points":[[763,65],[936,50],[859,139],[634,27]],"evidence":"右上角的“TIME”及其下方三位数“400”为游戏计时器。边界框紧贴两行完整文字；六个正点分布在标签和数字的笔画上，负点位于外围紫色背景及左侧独立的 WORLD 标签上。"}},{"name":"Playable Mario","description":"Red-and-brown player character who runs right, strikes blocks, collects a mushroom, grows taller, and jumps over pipes and enemies.","membership":"Includes the complete visible character silhouette throughout running, jumping, and growth. Excludes nearby items, enemies, floating score text, and transient visual trails.","id":"obj_012","temporal":{"status":"found","start_s":0.75,"end_s":15.0,"reference_s":7.75,"evidence":"目标是关卡中向右奔跑、顶砖、吃蘑菇长大并跳越水管的红棕色可操控马里奥，成长属于同一角色的连续变化。首个合格帧为0.75秒，角色完整出现在地面；前一帧0.50秒为黑屏，开场生命数旁的角色图标不属于此次游戏内连续出现。最后合格帧为14.75秒，角色仍完整可见；区间延伸至视频结束15.0秒，无后续帧。选择7.75秒作为关键帧，此时长大后的角色站在水管左侧，轮廓清楚且无遮挡，便于排除道具、分数文字和残影。","start_frame":18,"end_frame":360,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[437,771,502,925],"positive_points":[[469,781],[470,810],[467,852],[444,865],[453,906],[489,900]],"negative_points":[[352,890],[635,849],[526,812],[472,960]],"evidence":"目标是画面下方、灌木与绿色水管之间的马里奥。边界框覆盖帽子、头部、躯干、双手及双腿的完整可见轮廓；正点分布在这些身体部位，负点位于旁边的灌木、水管、天空和下方地砖，排除环境物体。"}},{"name":"Starting ground platform","description":"Continuous brown tiled ground beneath Mario, eventually ending at the left edge of the first visible pit.","membership":"Includes the connected solid ground surface and its tile pattern up to its visible outer edges. Excludes scenery behind it, objects standing on it, and the pit.","id":"obj_013","temporal":{"status":"found","start_s":0.75,"end_s":15.0,"reference_s":14.5,"evidence":"目标是马里奥脚下连续的棕色砖纹地面，随镜头滚动保持连通，最终在首个可见坑洞左侧终止；不包括坑洞右侧地面。首个合格帧为0.75秒，前一帧0.50秒为黑屏，尚无地面。最后合格帧为14.75秒，目标仍完整呈现于可视区域，视频结束后无相邻帧。选择14.50秒作为关键帧，砖纹及地面在坑洞左侧的终止边缘清楚，便于区分目标与坑洞右侧平台。","start_frame":18,"end_frame":360,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[0,916.7,641.1,1000],"positive_points":[[21,954],[130,965],[268,948],[386,973],[522,951],[619,968]],"negative_points":[[476,851],[242,884],[701,959],[861,955]],"evidence":"目标是马里奥脚下从图像左缘连续延伸到第一个坑洞左岸的棕色砖块地面。框覆盖地面顶边至图像底边及其全部可见砖纹；正点分布在该平台各段，负点分别位于马里奥、背景灌木、坑洞和右侧独立平台上。"}},{"name":"First isolated question block","description":"The first floating gold block marked with a question mark encountered by Mario; striking it releases a coin and leaves a plain brown block.","membership":"Includes the entire square block, its border, face, and changing marking. Excludes the released coin and floating score text.","id":"obj_014","temporal":{"status":"found","start_s":1.75,"end_s":5.0,"reference_s":2.5,"evidence":"目标是马里奥最先遇到的孤立金色问号方块；3.50秒被击中后变为棕色空白块，仍属同一目标。首个完整可见帧为1.75秒，前一帧1.50秒方块仍被右边界裁切；最后完整可见帧为4.75秒，下一帧5.00秒已移出左边界。选择2.50秒作为关键帧，方块完整、无遮挡，问号及边框清楚，易与后续方块区分。","start_frame":42,"end_frame":120,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[738,616,808,694],"positive_points":[[750,632],[793,632],[753,676],[792,676],[774,649],[770,670]],"negative_points":[[774,560],[689,654],[850,655],[774,750]],"evidence":"目标是马里奥右上方、画面中首个独立悬浮的金色问号方块。边界框紧贴方块的外沿，覆盖边框、金色表面和问号；六个正点分布在这些部位，四个负点位于方块上下左右的紫色天空背景中。"}},{"name":"Five-block overhead platform","description":"Horizontal platform ahead of the first isolated question block, consisting of three brick-pattern blocks alternating with two question blocks.","membership":"Includes the complete contiguous five-block structure, all block surfaces, borders, and contents, including the separately identified interactive blocks. Excludes items emerging above it and the isolated block higher overhead.","id":"obj_015","temporal":{"status":"found","start_s":3.5,"end_s":8.25,"reference_s":3.75,"evidence":"目标是首个独立问号块右侧、由三个砖块与两个问号块交替组成的连续五块平台，不含上方独立方块及冒出的物品。3.50秒首次完整入画，3.25秒平台右端仍被画面裁切；8.00秒为最后完整帧，8.25秒左端开始出画被裁切。期间问号块变为已使用块不改变平台身份。选择3.75秒作为关键帧，五块结构清楚完整，遮挡少。","start_frame":84,"end_frame":198,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[539,615,864,694],"positive_points":[[571,642],[633,655],[699,639],[762,655],[828,649],[707,679]],"negative_points":[[701,353],[322,654],[703,554],[466,743]],"evidence":"目标是画面中右部由三块砖纹块与两块问号块交替组成的连续横向平台。边框紧贴完整五块结构，包含表面、边缘和内部图案。六个正点分布在各块及平台下部；负点位于上方孤立问号块、左侧孤立块、平台上方天空和下方马里奥处。"}},{"name":"First Goomba","description":"Brown mushroom-shaped walking enemy first entering from the right beneath the overhead blocks; Mario jumps past it and it moves off the left side.","membership":"Includes its brown head, face, pale lower body, and feet; excludes ground, scenery, and Mario.","id":"obj_016","temporal":{"status":"found","start_s":3.0,"end_s":5.0,"reference_s":3.0,"evidence":"目标是最先从右侧进入、位于悬空砖块下方的棕��蘑菇状敌人；马里奥跳过它后，它继续向左移动。首个完整呈现帧为3.00秒，最后完整帧为4.75秒。此前2.75秒它仍被右边界裁切，之后5.00秒已开始被左边界裁切。选择3.00秒作为关键帧，因为其头部、脸、浅色下身和脚清楚可见，且与马里奥分离。","start_frame":72,"end_frame":120,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[848,844,918,925],"positive_points":[[882,862],[864,885],[903,883],[880,900],[870,914],[898,914]],"negative_points":[[944,865],[881,960],[889,653],[471,885]],"evidence":"目标位于画面右下方、悬空砖块下方，是棕色蘑菇状的栗宝宝。边界框覆盖其棕色头部、面部、浅色下身和脚；正点分布在这些可见部位，负点位于右侧背景、下方地面、上方砖块及左侧马里奥处。"}},{"name":"High question block","description":"Single floating question-mark block positioned above the middle of the five-block platform.","membership":"Includes the square block's border and complete face, including its animated question marking; excludes the lower platform and surrounding sky.","id":"obj_017","temporal":{"status":"found","start_s":3.25,"end_s":8.75,"reference_s":5.75,"evidence":"目标是五块砖平台中央上方独立悬浮的高位问号方块，包含边框及动画问号。首个完整可见帧为3.25秒；前一帧3.00秒中方块仍被画面右边界裁切。最后完整可见帧为8.50秒，8.75秒时已移出左边界。选择5.75秒为关键帧，方块完整、无遮挡，且与下方平台清楚分离。","start_frame":78,"end_frame":210,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[196,315,260,392],"positive_points":[[205,327],[249,328],[204,374],[249,376],[225,348],[227,373]],"negative_points":[[172,348],[292,354],[228,269],[226,656]],"evidence":"目标是五块平台上方独立悬浮的问号方块。边界框紧贴方块外缘，覆盖边框、完整表面及问号；六个正点分布在表面各部位和问号上，负点位于周围天空及下方平台，排除这些非目标区域。"}},{"name":"First released coin","description":"Small gold coin that rises above the first isolated question block after Mario strikes it.","membership":"Includes only the coin sprite through its visible movement and animation; excludes the source block and score popup.","id":"obj_018","temporal":{"status":"found","start_s":3.5,"end_s":4.0,"reference_s":3.5,"evidence":"目标是马里奥击中第一个独立问号砖块后，在其上方升起的金色硬币，不包括砖块和分数提示。首个合格帧为3.50秒，最后一个为3.75秒，两帧均可见完整硬币。此前3.25秒砖块仍显示问号，尚无硬币；此后4.00秒硬币消失，只留下“200”分数提示。选择3.50秒作为关键帧，硬币独立可见、无遮挡，便于标注。","start_frame":84,"end_frame":96,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[414,379,437,444],"positive_points":[[425,390],[428,402],[422,412],[426,423],[422,432],[423,400]],"negative_points":[[418,632],[383,408],[465,409],[355,69]],"evidence":"目标是首个孤立方块上方正在升起的细小金色硬币。框仅覆盖该硬币的可见精灵；正点分布在硬币的上、中、下部，负点位于两侧天空、下方来源方块和顶部计数栏硬币上。"}},{"name":"Mushroom-release question block","description":"Left question block within the five-block platform, between the leftmost and middle brick blocks; becomes plain after Mario hits it and releases a mushroom.","membership":"Includes this block's complete square face and border through its change to a used block. Excludes adjacent blocks and the mushroom emerging from it.","id":"obj_019","temporal":{"status":"found","start_s":3.0,"end_s":8.5,"reference_s":7.75,"evidence":"目标是五块平台中从左数第二块，位于两块砖之间；被马里奥顶击后变为普通用过的方块，并释放蘑菇，身份连续。首个完整帧为3.00秒，前一帧2.75秒该块仍被右边界裁切。最后完整帧为8.25秒，下一帧8.50秒该块已被左边界裁切。选择7.75秒作为关键帧，此时方块完整清晰，无蘑菇或马里奥遮挡。","start_frame":72,"end_frame":204,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[133,615,196,692],"positive_points":[[146,633],[178,634],[163,654],[146,675],[180,674],[164,622]],"negative_points":[[100,654],[226,654],[289,654],[226,351]],"evidence":"目标是五块悬空平台中从左数第二块，位于最左砖块与中间砖块之间，当前已变为无问号的使用后方块。边界框紧贴其完整方形表面及边框；六个正点分布于该块表面和上边框，四个负点位于相邻砖块、右侧已使用方块及上方独立问号块。"}},{"name":"Coin-release question block in platform","description":"Right question block within the five-block platform, between the middle and rightmost brick blocks; Mario strikes it to release another coin.","membership":"Includes this individual block's complete face and boundary through its used state; excludes neighboring blocks, released coin, and score text.","id":"obj_020","temporal":{"status":"found","start_s":3.25,"end_s":8.75,"reference_s":4.0,"evidence":"目标是五格平台中从左数第四格、夹在中间砖块与最右砖块之间的问号块，包含被顶出金币后的已使用状态。3.25秒首次完整可见；前一帧3.00秒该格尚在画面右侧之外。8.50秒是最后完整可见帧，8.75秒随平台向左移出时该格已被左边界裁切。选择4.00秒作为关键帧，此时问号块轮廓清晰、无遮挡，且与两侧砖块容易区分。","start_frame":78,"end_frame":210,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[652,617,715,693],"positive_points":[[664,632],[699,633],[681,652],[665,676],[700,678],[687,672]],"negative_points":[[618,652],[748,653],[555,654],[684,573]],"evidence":"目标是五块横向平台中右侧的问号块，位于中间砖块与最右砖块之间。边界框覆盖该块完整表面及边缘；六个正点分布在块面各处，负点位于相邻砖块、左侧问号块及平台上方背景，均不包含在目标内。"}},{"name":"First green pipe","description":"Short green pipe first appearing to the right of the five-block platform; Mario waits to its left while collecting the mushroom, then jumps onto it.","membership":"Includes the entire pipe body and wider top rim, following the stepped outer outline. Excludes Mario, ground, and background.","id":"obj_021","temporal":{"status":"found","start_s":4.5,"end_s":9.25,"reference_s":6.0,"evidence":"目标是五块砖平台右侧的第一根矮绿水管，包含较宽顶缘和管身；马里奥在其左侧等待蘑菇，随后跳上水管。首个完整显示帧为4.50秒，最后完整显示帧为9.00秒；前一帧4.25秒水管仍被右边界裁切，后一帧9.25秒已被左边界裁切。选择6.00秒作关键帧，水管轮廓清晰完整，且未被马里奥遮挡。","start_frame":108,"end_frame":222,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[574,767,701,921],"positive_points":[[589,796],[635,802],[683,806],[596,862],[633,894],[680,865]],"negative_points":[[469,883],[635,963],[721,846],[632,725]],"evidence":"目标是五砖平台右侧、马里奥右边的短绿色管道。边界框紧贴较宽的顶沿和下方管身，覆盖完整可见管道。六个正点分布在顶沿及管身上；负点位于左侧马里奥、下方地面及管道上方和右侧背景，均不属于目标。"}},{"name":"Super Mushroom","description":"Orange-brown spotted mushroom with a pale stem that emerges from the platform, travels right along it, drops off, and is collected by Mario.","membership":"Includes the full cap and stem throughout emergence and movement; excludes the source block, score popup, and Mario's growth animation.","id":"obj_022","temporal":{"status":"found","start_s":5.5,"end_s":7.0,"reference_s":6.5,"evidence":"目标是从砖块平台冒出、向右移动后落下并被马里奥收集的橙褐色斑点蘑菇。5.50秒首次完整露出菌盖和浅色菌柄；此前5.25秒仍在从方块中露出。最后 qualifying 帧为6.75秒，蘑菇与马里奥接触时仍可见；7.00秒蘑菇消失，仅留下得分提示。选择6.50秒作为关键帧，此时蘑菇已掉离平台，完整清晰且无遮挡。","start_frame":132,"end_frame":168,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[400,610,462,700],"positive_points":[[427,623],[410,648],[446,649],[429,657],[424,678],[438,682]],"negative_points":[[353,656],[469,879],[506,638],[429,758]],"evidence":"目标位于砖块平台右端外侧、马里奥左上方，可见橙棕色菌盖和浅色菌柄。边界框紧贴完整蘑菇；正点分布于菌盖及菌柄，负点位于左侧砖块、下方马里奥及外围背景，排除其他对象。"}},{"name":"Second released coin","description":"Coin that rises above the right-hand question block in the five-block platform when Mario strikes it.","membership":"Includes only this coin's visible sprite throughout its animation; excludes the platform, HUD coin icon, and floating score text.","id":"obj_023","temporal":{"status":"found","start_s":4.75,"end_s":5.5,"reference_s":5.0,"evidence":"目标是马里奥撞击五格平台右侧问号砖后弹出的第二枚金币，不包括HUD图标或分数文字。4.75秒首次出现完整金币精灵，随后上升、下落，最后可见于5.25秒。前一帧4.50秒尚无该金币；后一帧5.50秒金币已消失，只剩浮动的“200”分数。选择5.00秒作为关键帧，此时金币位于平台上方，无遮挡且易于区分。","start_frame":114,"end_frame":132,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[401,342,421,404],"positive_points":[[407,350],[408,361],[414,373],[404,378],[409,388],[407,398]],"negative_points":[[355,69],[345,353],[405,653],[459,373]],"evidence":"目标是五块平台中右侧问号块上方、呈细窄竖条状的弹出金币。边界框仅覆盖其可见精灵；六个正点分布在金币上下及中部，负点分��位于HUD金币、悬空问号块、平台右侧已用方块和右方背景，排除这些非目标区域。"}},{"name":"Second green pipe","description":"Medium-height green pipe encountered after the short first pipe; a Goomba walks on the ground beyond it.","membership":"Includes the complete green shaft and wider top rim, following their outer boundary; excludes characters, ground, and scenery.","id":"obj_024","temporal":{"status":"found","start_s":9.0,"end_s":10.75,"reference_s":9.0,"evidence":"目标是第一根矮管之后的中等高度绿管，包含较宽顶缘和完整管身，其右侧地面有栗宝宝。9.00秒首次完整入镜，前一帧8.75秒仍被右边界裁切；10.50秒是最后完整可见帧，后一帧10.75秒已被左边界裁切。选择9.00秒为关键帧，管道轮廓完整清晰，且未被角色遮挡。","start_frame":216,"end_frame":258,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[755,690,890,923],"positive_points":[[778,724],[859,730],[785,798],[855,807],[805,891],[862,890]],"negative_points":[[192,860],[469,850],[980,883],[703,790]],"evidence":"目标是画面右侧、栗宝宝左边的第二根绿色水管，比左侧第一根更高。边界框覆盖完整的宽顶沿和绿色管身，止于地面上缘。六个正点分布在顶沿及管身上下区域；负点位于第一根水管、马里奥、栗宝宝和外部天空，均不属于目标。"}},{"name":"Second Goomba","description":"Brown walking enemy beyond the second pipe and before the next taller pipe; Mario lands on it and flattens it.","membership":"Includes the complete enemy sprite through walking and its flattened state; excludes Mario and the points displayed after the stomp.","id":"obj_025","temporal":{"status":"found","start_s":9.25,"end_s":11.0,"reference_s":9.75,"evidence":"目标是第二根管道之后、下一根更高管道之前的棕色 Goomba，随后被马里奥踩扁。9.00 秒时其从右侧入场，仍被画面边缘裁切；9.25 秒首次完整可见。连续保留行走及踩扁状态，最后符合条件的帧为 10.75 秒，11.00 秒已消失。选择 9.75 秒作为关键帧，此时敌人完整清晰，与马里奥及管道分离；踩踏后的分数文字不属于目标。","start_frame":222,"end_frame":264,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[608,850,666,925],"positive_points":[[631,866],[621,881],[649,881],[635,896],[631,911],[654,916]],"negative_points":[[468,571],[573,898],[393,810],[699,797]],"evidence":"目标是两根绿色管道之间、灌木前方的棕色栗宝宝。边界框覆盖其完整可见头部、身体和脚；正点分布在这些部位，负点位于马里奥、旁边灌木、左侧管道和外部天空，均不属于目标。"}},{"name":"Third green pipe","description":"Tall green pipe immediately beyond the second Goomba; two more Goombas approach on its far side.","membership":"Includes the whole pipe body, rim, and shaded surface within its stepped silhouette; excludes enemies, Mario, and background.","id":"obj_026","temporal":{"status":"found","start_s":9.75,"end_s":12.75,"reference_s":10.25,"evidence":"目标是第二只栗宝宝之后的第三根高绿管，其右侧有另外两只栗宝宝接近。9.75秒首次完整显示管口、管身及阴影；此前9.50秒仍被画面右边界裁切。最后完整帧为12.50秒，12.75秒管道已被左边界裁切。选择10.25秒为关键帧，管道轮廓清楚、无遮挡，且两侧敌人的位置便于确认身份。","start_frame":234,"end_frame":306,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[591,615,721,923],"positive_points":[[611,642],[696,653],[618,727],[689,758],[629,871],[693,894]],"negative_points":[[469,664],[457,890],[915,890],[783,581]],"evidence":"目标是画面中右侧较高的绿色管道，位于左侧栗宝宝之后，右方另有两个栗宝宝。边界框紧贴管口凸缘与管身直至地面，包含绿色明暗面。六个正点分布于管口及管身上下部；负点位于马里奥、两侧敌人和外部天空，均不属于管道。"}},{"name":"Leading Goomba of the pair","description":"The left-hand, leading enemy of the two Goombas first visible beyond the third pipe, nearer the pipe and Mario.","membership":"Includes this enemy's complete sprite through movement and flattening; excludes the trailing Goomba, Mario, and score effects.","id":"obj_027","temporal":{"status":"found","start_s":10.25,"end_s":12.75,"reference_s":11.25,"evidence":"目标是第三根水管右侧两只栗宝宝中靠左、较接近水管和马里奥的一只。10.25秒首次完整可见，10.00秒尚未出现；持续跟踪其移动及被踩扁后的精灵，最后合格帧为12.50秒，12.75秒已消失。选择11.25秒作为关键帧，此时目标完整无遮挡，与右侧另一只栗宝宝清楚分离。","start_frame":246,"end_frame":306,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[642,856,703,929],"positive_points":[[670,866],[654,889],[685,889],[670,904],[651,919],[688,919]],"negative_points":[[760,888],[477,543],[530,800],[610,748]],"evidence":"目标是高管道右侧两只栗宝宝中靠左、离管道和马里奥更近的一只。边界框紧贴其头部、身体和脚的完整可见精灵；六个正点分布在这些部位，负点分别位于右侧另一只栗宝宝、马里奥、管道及外部天空。"}},{"name":"Trailing Goomba of the pair","description":"The right-hand enemy of the pair beyond the third pipe, initially farther from Mario and following the leading Goomba.","membership":"Includes this enemy's complete sprite through movement and flattening; excludes the leading Goomba, Mario, and score effects.","id":"obj_028","temporal":{"status":"found","start_s":10.5,"end_s":12.75,"reference_s":11.0,"evidence":"目标是第三根水管右侧成对出现的 Goomba 中靠右、离马里奥更远的后随者。10.25 秒它仍被画面右边界裁切，10.5 秒首次完整可见；随后持续向左移动，并保留被踩扁后的形态，最后合格帧为 12.5 秒，12.75 秒已消失。选择 11.0 秒作为关键帧，此时目标完整无遮挡，与左侧领先的 Goomba 清楚分离。","start_frame":252,"end_frame":306,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[779,844,835,931],"positive_points":[[807,860],[790,881],[821,881],[806,897],[796,912],[823,921]],"negative_points":[[712,883],[461,607],[552,783],[871,787]],"evidence":"目标是高管道右侧两只栗宝宝中靠右的一只，即离马里奥更远的跟随者。边界框覆盖其头部、身体和双脚的完整可见精灵；正点分布在这些部位，负点位于左侧栗宝宝、马里奥、管道及外部背景上。"}},{"name":"Fourth green pipe","description":"Tall green pipe encountered after the paired Goombas, before the first visible ground gap.","membership":"Includes the entire shaft and broad top rim, following the pipe's actual outer outline; excludes Mario and surrounding terrain.","id":"obj_029","temporal":{"status":"found","start_s":12.5,"end_s":14.0,"reference_s":12.5,"evidence":"目标是成对 Goomba 之后、首个地面缺口之前的第四根高绿色水管，包括宽顶缘和完整管身。首个完整可见帧为 12.50 秒，最后一个为 13.75 秒；此前 12.25 秒水管仍被右侧画面边界裁切，此后 14.00 秒已被左侧边界裁切。选择 12.50 秒作为关键帧，水管轮廓完整清晰，且没有马里奥遮挡。","start_frame":300,"end_frame":336,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[782,614,919,923],"positive_points":[[802,644],[898,654],[814,728],[884,750],[815,881],[885,885]],"negative_points":[[156,751],[477,845],[949,748],[854,965]],"evidence":"目标为画面右侧、马里奥前方的第四根绿色管道。框覆盖完整宽顶沿和竖直管身，止于地面交界；六个正点分布在顶沿及管身，负点位于左侧另一根管道、马里奥、右侧天空和下方砖地，均不属于目标。"}},{"name":"Ground platform beyond the pit","description":"Brown tiled ground appearing on the right side of the first visible gap near the end of the sequence.","membership":"Includes the visible solid ground and its tile pattern beyond the gap; excludes the empty pit, background bush, and earlier ground platform.","id":"obj_030","temporal":{"status":"found","start_s":13.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是首次可见地坑右侧的棕色铺砖地面，不含坑左侧原平台和背景灌木。13.50秒尚未出现坑后的地面；13.75秒其左缘及砖块表面首次可见，属于延伸至画外的地形。此后持续出现，最后合格帧为14.75秒，区间延至视频结束15.00秒，无后续帧。选择14.75秒，因坑与右侧平台分界清楚、砖块纹理可辨且无遮挡。","start_frame":330,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[765,917,1000,1000],"positive_points":[[781,941],[816,965],[854,943],[898,958],[946,943],[979,986]],"negative_points":[[706,957],[862,885],[595,957],[925,811]],"evidence":"目标是画面右下方、可见缺口右侧的棕色砖块地面。边界框覆盖其可见砖面及纹理，延伸至图像右边缘和底边缘。六个正点分布在不同砖块上；负点分别位于空缺、上方灌木、左侧较早的平台和天空背景。"}},{"name":"Revealed hidden block","description":"Plain brown square block revealed above and behind Mario near the first pit; a green-spotted mushroom emerges from its top.","membership":"Includes the full block face and dark boundary; excludes the emerging mushroom, Mario, and background.","id":"obj_031","temporal":{"status":"found","start_s":14.0,"end_s":15.0,"reference_s":14.0,"evidence":"目标是第一处坑洞前、马里奥左上方新显现的纯棕色方块，具有完整深色边界；随后其顶部冒出绿斑蘑菇，确认身份。13.75秒尚未出现，14.0秒方块已完整可见，至最后采样帧14.75秒仍完整存在，因此区间结束于视频末尾15.0秒，之后无采样帧。选择14.0秒作为关键帧，此时蘑菇尚未冒出，方块轮廓清晰且无遮挡。","start_frame":336,"end_frame":360,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[381,515,450,599],"positive_points":[[397,535],[428,534],[402,560],[429,574],[386,563],[414,591]],"negative_points":[[350,553],[417,468],[478,765],[475,885]],"evidence":"目标是马里奥上方偏左的棕色方块，边框为深色。框覆盖完整块面及深色边界；六个正点分布在块面和边缘，负点位于外围天空、马里奥及下方绿色山丘，均不包含在目标内。"}},{"name":"1-Up Mushroom","description":"Pale mushroom with green cap spots emerging from the revealed hidden block near the first pit at the end of the sequence.","membership":"Includes the visible cap and stem as they emerge; excludes the supporting block and surrounding sky.","id":"obj_032","temporal":{"status":"found","start_s":14.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是第一处坑洞左侧隐藏方块上方、带绿色斑点的浅色1-Up蘑菇，不包括方块。14.25秒仅露出顶部，紧邻起点前的14.50秒仍在从方块中显露；14.75秒菌盖与菌柄完整可见，是首个及最后一个合格采样帧，也最适合作为空间标注关键帧。区间延续至视频结尾15.0秒，之后没有采样帧。","start_frame":354,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[326,479,390,542],"positive_points":[[357,492],[337,515],[375,515],[357,512],[345,530],[365,534]],"negative_points":[[357,581],[296,514],[420,515],[477,838]],"evidence":"目标是画面中部偏左、棕色隐藏砖块上方露出的绿斑浅色1-Up蘑菇。框紧贴可见菌盖和菌柄，不含下方砖块。六个正点分布于菌盖绿斑、浅色部分及菌柄；负点位于支撑砖块、两侧天空和下方马里奥上。"}}]}
+{"video_id":77,"video_type":"2D games","targets":[{"name":"Green stick figure","description":"Bright lime-green character with a solid round head and thin, jointed limbs. Initially jumps over a triangular spike, then crosses gaps using glowing orbs and later rides a small flying craft.","membership":"Include the solid head and all green body and limb strokes. Exclude empty space between limbs, particle trails, motion streaks, activation glows, and the separately identified craft.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":3.5,"evidence":"目标是实心圆头、细长关节肢体的亮绿色火柴人，连续完成跳跃、借助光球跨越缺口及乘坐飞行器。首个合格帧为0.00秒，末个为11.75秒，全程可追踪同一角色且结构完整；区间覆盖视频首尾，两端均无更外侧采样帧。选择3.50秒作为关键帧，此时四肢舒展、轮廓清晰，与光球及平台分离，便于排除粒子、运动拖影和飞行器。","start_frame":0,"end_frame":288,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[326.0,122.2,415.6,300.9],"positive_points":[[380.7,143.5],[351.0,163.0],[406.8,152.8],[374.5,197.2],[351.0,274.0],[405.7,250.0]],"negative_points":[[336.5,239.8],[305.7,375.0],[437.5,188.0],[649.5,435.0]],"evidence":"目标是画面上方偏左、跃起的亮绿色火柴人。边界框紧贴实心圆头及全部绿色躯干、四肢笔画；六个正点分布在头、躯干和四肢上。负点位于左下方灰色运动拖影、紫色光球、右侧深色背景及远处三角障碍物上，排除了拖影和其他物体。"}},{"name":"Initial platform spike","description":"Tall, black triangular obstacle with a luminous white outline, initially directly beneath the airborne green figure on the left platform.","membership":"Include the triangular boundary and enclosed black face. Exclude the supporting platform and surrounding glow.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.25,"evidence":"目标是开场绿色人物下方、左侧平台上的高黑色三角尖刺，具有白色发光轮廓。首个合格帧为0.00秒，末个为0.50秒；其随平台向左移动，到相邻的0.75秒帧已移出画面，不再完整可见。视频起点之前无采样帧。选择0.25秒为关键帧，尖刺完整清晰，且与人物分离，便于标注。","start_frame":0,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[187.5,439,240.6,531.5],"positive_points":[[213.5,456.5],[202.6,480.6],[226,488],[200.5,510.2],[213.5,513.9],[229.2,518.5]],"negative_points":[[171.9,463],[214.6,574.1],[389.1,406.5],[661.5,484.3]],"evidence":"目标是左侧平台上、绿色人物左方的白边黑色三角尖刺。边界框紧贴三角形轮廓及黑色内面，不含外围光晕和下方平台。正点分布于白色斜边及黑色内面，负点位于外部背景、支撑平台、绿色人物和右侧粉色物体上。"}},{"name":"First pink jump orb","description":"Small magenta circular orb with concentric pale rings, initially suspended above the first spike-filled gap. The figure uses it to reach the platform beyond the gap.","membership":"Include the outer circular boundary, inner rings, and enclosed colored center. Exclude scattered pink square particles, expanding activation circles, and light trails.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0.5,"evidence":"目标是首个尖刺坑上方的粉红跳跃球，具有洋红中心和浅色同心环，人物在1.00秒附近借它跃向右侧平台。首个合格帧为0.00秒，最后合格帧为1.50秒；1.75秒时球体已随场景左移而被画面左边界裁切。视频起点之前没有采样帧。选择0.50秒作为关键帧，球体完整清晰、无遮挡；不计周围粉红方粒、激活扩张圈及光迹。","start_frame":0,"end_frame":42,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[540.1,463.9,563.5,504.6],"positive_points":[[551.6,484.3],[545.3,484.3],[557.8,484.3],[551.6,465.7],[551.6,501.9],[541.7,483.3]],"negative_points":[[547.4,531.5],[580.7,445.4],[526.6,475.9],[583.3,509.3]],"evidence":"目标是第一处尖刺坑上方的洋红色圆球，带浅色同心圆环。框紧贴圆球外边界，涵盖圆环及内部彩色中心，不含周围粉色方块粒子。正点分布于中心和圆环各侧，负点位于外围方块粒子及右侧背景。"}},{"name":"Yellow jump orb","description":"Yellow circular orb with pale concentric outlines, suspended above the group of three spikes before a raised ledge.","membership":"Include the orb's outer circular boundary and everything enclosed by it. Exclude floating yellow particles, temporary expansion rings, and the figure passing above it.","id":"obj_004","temporal":{"status":"found","start_s":1.25,"end_s":3.0,"reference_s":1.75,"evidence":"目标是三枚尖刺上方、抬高平台前的黄色同心圆跳跃球，不含周围粒子及触发时的扩张环。首个合格帧为1.25秒，最后合格帧为2.75秒；此前1.00秒仍呈暗淡淡入状态，此后3.00秒已开始淡出。选择1.75秒作为关键帧，此时圆球轮廓清楚、无遮挡，且与三枚尖刺及高台的位置关系明确。","start_frame":30,"end_frame":72,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[595.3,325.0,617.2,363.9],"positive_points":[[605.7,334.3],[600.5,342.6],[602.1,351.9],[608.9,352.8],[612.5,343.5],[606.3,344.4]],"negative_points":[[637.5,326.9],[588.0,300.0],[626.0,412.0],[384.4,393.5]],"evidence":"目标是三枚尖刺上方、抬高平台左侧的黄色圆形跳跃球。边界框紧贴球体浅色外圆边界并包含其内部，不含周围粒子和外部光晕。六个正点分布于球体内部不同位置；负点位于外围黄色粒子、下方背景及左侧绿色人物上。"}},{"name":"Three-spike ledge approach","description":"Compact row of two low white-outlined black triangles followed by a taller triangle, immediately before the vertical face of a raised platform.","membership":"Include all three adjoining triangular outlines and their enclosed black faces. Follow their individual peaks and intervening valleys; exclude the platform below and the vertical ledge beside them.","id":"obj_005","temporal":{"status":"found","start_s":1.25,"end_s":3.0,"reference_s":1.75,"evidence":"目标是紧贴高台竖直壁前的三枚相邻尖刺，依次为两枚低三角和一枚高三角。首个完整呈现帧为1.25秒，最后合格帧为2.75秒；此前1.00秒三枚尖刺尚未全部进入画面，之后3.00秒最左侧低尖刺已在左边缘开始淡出。选择1.75秒作为关键帧，三枚尖刺轮廓清晰、无遮挡，且与旁边高台边界容易区分。","start_frame":30,"end_frame":72,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[554.7,438.9,710.9,534.3],"positive_points":[[579.2,500.9],[577.6,521.3],[632.3,500.9],[634.4,521.3],[685.4,455.6],[687.5,509.3]],"negative_points":[[620.8,574.1],[725.0,487.0],[631.3,444.4],[541.7,504.6]],"evidence":"目标位于抬高平台的竖直壁左侧，由两个低三角尖刺和一个高三角尖刺相接组成。框覆盖三者的白色轮廓及封闭黑色面；六个正点分布在各尖刺的上部和内部，负点位于下方平台、右侧台壁及尖刺外侧背景，不涉及三角形内部。"}},{"name":"Raised-ledge edge spike","description":"Low, broad black triangle with a white outline near the right edge of the raised platform reached using the yellow orb.","membership":"Include the complete triangular outline and enclosed face. Exclude the raised platform, adjacent gap, and edge glow.","id":"obj_006","temporal":{"status":"found","start_s":2.0,"end_s":3.75,"reference_s":2.75,"evidence":"目标是借助黄色光球到达的高台右缘处、白色轮廓包围黑色面的矮宽三角尖刺。首个合格帧为2.00秒，最后为3.50秒；此前1.75秒虽已露出完整三角形，但轮廓仍处于灰暗淡入状态，之后3.75秒已随左侧场景淡出而变暗。选择2.75秒，尖刺轮廓明亮完整，与平台及相邻深坑容易区分。","start_frame":48,"end_frame":90,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[483.3,315.7,532.3,356.5],"positive_points":[[507.3,320.4],[495.8,337.0],[518.8,338.9],[507.8,336.1],[500.0,349.1],[515.6,349.1]],"negative_points":[[510.4,397.2],[562.5,370.4],[507.3,277.8],[380.2,213.0]],"evidence":"目标是中央高台右缘、粉色球左下方的低宽三角尖刺。边框紧贴白色三角轮廓及其黑色内部，不含外围辉光。正点分布于两侧轮廓、顶端和内部；负点位于下方平台、右侧空隙、上方背景及绿色人物上。"}},{"name":"Second pink jump orb","description":"Magenta ringed orb suspended above the next gap, beyond the raised ledge's low spike. The figure activates it while crossing toward the platform with the pink portal.","membership":"Include the outer circular boundary, concentric rings, and enclosed magenta center. Exclude square particles, expanding activation effects, and motion streaks.","id":"obj_007","temporal":{"status":"found","start_s":2.25,"end_s":4.25,"reference_s":2.75,"evidence":"目标是高台低尖刺之后、下一处深沟上方的第二个粉色同心环跳跃球；人物借它跃向粉色传送门平台。首个合格帧为2.25秒，2.00秒时它在右上方仍处于暗淡的初始显现阶段。最后合格帧为4.00秒，圆环与中心仍完整；4.25秒已移出左侧画面。选择2.75秒作关键帧，球体清晰完整，未被人物或激活扩张效果遮挡。","start_frame":54,"end_frame":102,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[627.6,240.7,650.5,282.4],"positive_points":[[639.1,261.1],[637.0,254.6],[641.7,265.7],[629.2,261.1],[639.1,243.5],[648.4,263.0]],"negative_points":[[603.1,232.4],[676.0,237.0],[663.5,280.6],[687.5,324.1]],"evidence":"目标是抬高平台右侧低尖刺之后、下一处深坑上方的粉色圆环跳跃球。框紧贴圆球外边界，涵盖同心环和洋红色中心，不含周围方形粒子。正点分布在中心及圆环上；负点位于外围粉色方形粒子和右下方背景。"}},{"name":"Spike before the pink portal","description":"Tall white-outlined black triangular obstacle on the landing platform leading to the pink oval portal.","membership":"Include the triangle's boundary and enclosed black face. Exclude the supporting platform and nearby portal.","id":"obj_008","temporal":{"status":"found","start_s":3.0,"end_s":5.0,"reference_s":3.75,"evidence":"目标是粉色椭圆传送门前、落脚平台上的高白边黑色三角尖刺，不含平台或传送门。首个完整呈现帧为3.00秒，最后完整帧为4.75秒；此前2.75秒尖刺尚在画面右缘且被裁切，此后5.00秒已随场景左移而被左缘裁切。选择3.75秒作关键帧，尖刺轮廓清晰、无遮挡，且与右侧粉色传送门的关系明确。","start_frame":72,"end_frame":120,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[511,375,566,471],"positive_points":[[539,393],[530,425],[546,425],[523,460],[554,460],[539,454]],"negative_points":[[540,501],[750,327],[580,413],[383,313]],"evidence":"目标是落地平台上、粉色椭圆传送门左侧的白边黑色三角尖刺。框紧贴三角形外缘，包含白色边界及内部黑色面，不包含下方平台。六个正点分布在尖端、中部和底部的三角形内容上；负点位于下方平台、右侧传送门、外部背景及左侧绿色人物上。"}},{"name":"Pink ship portal","description":"Upright pink oval gateway at the end of the running section, with a dark segmented rim, a projecting side badge containing a white ship symbol, and small round pink nodes. Passing through it introduces the flying craft.","membership":"Include the oval rim and enclosed opening, the attached side badge and its ship icon, and the round nodes arranged around the rim. Preserve the portal's actual silhouette. Exclude drifting pink squares and transient activation glows.","id":"obj_009","temporal":{"status":"found","start_s":3.5,"end_s":5.5,"reference_s":3.75,"evidence":"目标是带深色分段边缘、白色飞船图标侧徽章及圆形粉色节点的直立粉色椭圆传送门，不包括漂浮方块和激活光晕。首个完整呈现帧为3.50秒，最后一个为5.25秒；此前3.25秒传送门仍被右侧画面边界裁切，此后5.50秒已向左移出，无法完整呈现。选择3.75秒作为关键帧，此时轮廓和全部附属结构清晰，无遮挡。","start_frame":84,"end_frame":132,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[711.5,197,790,458.5],"positive_points":[[755.2,207.4],[715.6,325],[735.4,356.5],[767.7,330.6],[778.6,404.6],[755.2,447.2]],"negative_points":[[697.4,264.8],[704.2,460.2],[749,512],[812,329]],"evidence":"目标是画面右侧带白色飞船徽标的竖直粉色传送门。边界框覆盖椭圆边框及内部开口、深色分段外缘、侧面徽章和周围圆形节点，不含漂浮方块及外溢光晕。正点分布于上下节点、椭圆边缘、开口和徽章；负点位于左侧漂浮方块、下方平台及右侧背景。"}},{"name":"Green and blue flying craft","description":"Small right-facing lime-green rocket-like craft with black outlines, a blue upper rail, and a blue rear nozzle. It appears beneath the figure after the pink portal and carries the figure through the obstacle corridor.","membership":"Include the complete green hull, black outlines, blue upper rail, and rear nozzle. Exclude the rider, orange exhaust particles, pale exhaust trail, and temporary circular glow.","id":"obj_010","temporal":{"status":"found","start_s":4.75,"end_s":12.0,"reference_s":5.5,"evidence":"目标是粉色传送门后承载绿色人物的右向飞行器，具有绿船体、黑色轮廓、蓝色上栏和尾喷口。4.75秒首次完整可见，虽有临时圆形光晕，但船体结构已建立；此前4.50秒人物仍在传送门处，尚无完整飞行器。最后合格帧为11.75秒，目标仍完整出现，区间延至视频末尾12.0秒，无后续采样帧。选5.50秒作为关键帧，飞行器结构清晰，便于排除骑乘人物、尾焰和粒子。","start_frame":114,"end_frame":288,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[357.8,494.4,429.7,567.6],"positive_points":[[363.5,541.7],[373.4,543.5],[392.7,546.3],[416.7,542.6],[401.0,524.1],[377.1,507.4]],"negative_points":[[425.5,388.9],[351.0,525.0],[338.5,492.6],[443.8,555.6]],"evidence":"目标是绿色人形下方朝右飞行的小艇。边界框覆盖完整绿色船体、黑色轮廓、蓝色上栏和尾部喷嘴；六个正点分布在这些部件上。负点位于骑乘者、橙色尾焰、浅色尾迹及右侧外部背景，均不包含在目标中。"}},{"name":"Suspended four-spike block","description":"Isolated square obstacle in the flying section, framed by white-edged dark tiles around a recessed grid-patterned center. Four triangular spikes project leftward from its leading edge.","membership":"Include the complete square frame, enclosed central grid area, and four attached triangular spikes. Follow the projecting spikes and their concave junctions rather than filling their bounding rectangle. Exclude surrounding particles and the separate floor and ceiling structures.","id":"obj_011","temporal":{"status":"found","start_s":9.0,"end_s":10.75,"reference_s":9.5,"evidence":"目标是飞行段中独立悬空的方形障碍：白边深色方块围住网格中心，左侧连接四枚三角尖刺。首个完整可见帧为9.00秒，最后完整帧为10.50秒；前一帧8.75秒右侧仍被画面边界裁切，后一帧10.75秒左侧尖刺开始离开画面。选择9.50秒作为关键帧，方框、中心网格及四枚尖刺均清晰完整，且与上下方结构分离。","start_frame":216,"end_frame":258,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[504,312,769,690],"positive_points":[[537,359],[537,453],[537,546],[537,639],[656,494],[742,642]],"negative_points":[[474,453],[791,506],[646,265],[651,743]],"evidence":"目标是画面右侧悬空的白边方形障碍，左侧连接四个三角尖刺。边界框覆盖完整方框、内部网格区域及四个尖刺。正点分布在四个尖刺、中心区域和右下框体；负点位于障碍外侧的上下左右背景，避开尖刺间隙及独立的地板、天花板结构。"}},{"name":"Green square portal","description":"Upright green oval gateway appearing ahead of the flying figure near the end of the sequence. It has a dark segmented rim, green round nodes, and a side badge showing a square symbol.","membership":"Include the oval boundary and enclosed opening, attached side badge with its square icon, and surrounding round nodes belonging to the portal. Exclude loose green square particles, glow, and the adjacent spiked platforms.","id":"obj_012","temporal":{"status":"found","start_s":11.5,"end_s":12.0,"reference_s":11.75,"evidence":"目标为飞行人物前方的绿色直立椭圆传送门，具有深色分段边框、绿色圆形节点及带方形图标的侧徽章。首个合格帧为11.50秒，最后合格帧为11.75秒；此前11.25秒帧中尚未出现该门。目标持续完整可见至视频结束，末端没有后续采样帧。选择11.75秒作为关键帧，门体完整清晰、无遮挡，便于排除周围方形粒子和尖刺平台。","start_frame":276,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[762.5,370.4,840,629.6],"positive_points":[[806,380],[783,490],[767,524],[816,501],[828,580],[806,620]],"negative_points":[[778,646],[383,426],[747,674],[871,496]],"evidence":"目标是飞行人物右前方的绿色椭圆传送门，带深色分段外缘及方形图标侧徽。框覆盖椭圆边界、内部开口、侧徽和所属圆形节点，不包含外围光晕。正点分布在上下节点、开口、绿色边界、侧徽与深色外缘；负点位于散落绿色方粒、飞行人物、下方尖刺及右侧背景。"}}]}
+{"video_id":78,"video_type":"2D games","targets":[{"name":"Blue stick-figure fighter","description":"A dark-blue, round-headed fighter entering beside the black fighter with a long, light-colored rifle. It performs flips and exchanges rifle attacks before the red fighter arrives.","membership":"Includes the blue body and its carried rifle, following their actual outlines. The separately listed rifle also belongs to this region while carried. Excludes surrounding cyan illumination, projectiles, muzzle effects, motion trails, text, and other fighters.","id":"obj_004","temporal":{"status":"found","start_s":15.0,"end_s":17.25,"reference_s":16.75,"evidence":"目标是持浅色长步枪的深蓝色圆头战士，包含身体及所持步枪，不含青色光效。15.00秒首次完整出现，前一帧14.75秒尚无蓝色战士；17.00秒是本段最后完整帧，17.25秒其身体在右侧场景边界被裁切。选择16.75秒为关键帧，身体与步枪轮廓清楚，与黑色战士分离且遮挡较少。","start_frame":360,"end_frame":414,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[601,409,761,891],"positive_points":[[712,451],[726,562],[709,697],[690,865],[695,572],[646,619]],"negative_points":[[333,591],[795,670],[641,511],[621,734]],"evidence":"目标是画面右侧的深蓝色圆头战士，手持斜向左下的浅色长步枪。边界框覆盖其头部、躯干、双腿及所持步枪，不包含外围青色辉光。正点分布在蓝色身体和步枪实体上；负点位于左侧黑色战士及目标外侧的灰色背景。"}},{"name":"Blue fighter's rifle","description":"The blue fighter's long firearm, with a light-colored body, stock, magazine, and extended barrel. Its visible accents shift among blue, violet, cyan, and gold during the fight.","membership":"Includes the firearm's physical stock, receiver, grip, magazine, barrel, and attached fittings, whether held across the body or carried during flips. Excludes the fighter, surrounding glow, muzzle flashes, emitted beams, and particles.","id":"obj_005","temporal":{"status":"found","start_s":15.0,"end_s":21.25,"reference_s":18.0,"evidence":"目标是蓝色战士持有的浅色长步枪，可辨认枪托、机匣、弹匣和长枪管，配色随动作变化，不包含光束和枪口特效。15.00秒首次完整出现，前一帧14.75秒尚无该枪；21.00秒仍完整可见，21.25秒随蓝色战士移至左侧而被画面边缘裁切，故最后合格帧为21.00秒。选择18.00秒作为关键帧，此时枪械横向持握，轮廓清楚且特效遮挡较少。","start_frame":360,"end_frame":510,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[489.1,478.1,670.3,546.9],"positive_points":[[493.8,507.8],[537.5,515.6],[571.9,523.4],[583.6,509.4],[595.3,489.1],[665.6,525.0]],"negative_points":[[628.1,470.3],[608.6,539.1],[337.5,518.8],[551.6,454.7]],"evidence":"目标是右侧蓝色战士持有、枪口朝左的浅色长枪。框覆盖可见枪口、长枪管、机匣、金色附件和右端枪托；六个正点分布于这些实体部件。负点位于蓝色战士头部及手臂、左侧黑色战士的枪和上方背景，排除人物与其他物体。"}},{"name":"Black fighter's rifle","description":"A black rifle carried by the black fighter during its confrontation with the blue fighter. It has a recognizable shoulder stock, top carry handle, protruding magazine, and long barrel.","membership":"Includes the rifle's stock, receiver, carry handle, grip, magazine, barrel, and attached sights along their actual outlines. Excludes the fighter's hands and body, black firing effects, long shot trails, and scattered particles.","id":"obj_006","temporal":{"status":"found","start_s":15.5,"end_s":22.5,"reference_s":18.0,"evidence":"目标是黑色战士与蓝色战士交战时持有的黑色步枪，可辨认枪托、提把、弹匣及长枪管。首次完整出现于15.50秒，前一帧15.25秒黑色战士尚未持枪；最后符合条件的是22.25秒，22.50秒步枪已消失，附近只剩黑色粒子。选择18.00秒作为关键帧，此时步枪横向持握，轮廓清楚，易与身体及射击特效区分。","start_frame":372,"end_frame":540,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[221.9,490.6,396.9,592.2],"positive_points":[[227.3,525],[295.3,493.8],[302.3,528.1],[300.8,576.6],[338.3,520.3],[378.9,518.8]],"negative_points":[[267.2,464.1],[239.1,621.9],[547.7,515.6],[367.2,445.3]],"evidence":"目标是左侧黑色战士持有、枪口朝右的黑色步枪。框紧贴枪托、机匣、提把、弹匣以及枪管和准星的可见轮廓。六个正点分布在枪托、提把、机匣、弹匣和枪管上；负点位于战士头部与身体、右侧另一把枪及上方灰色背景，排除人物和其他物体。"}},{"name":"Black fighter's frying pan","description":"The black fighter's dark frying pan used against the red fighter, visible as a round bowl or narrow ellipse on a short handle. It becomes airborne separately from the fallen fighter at the end.","membership":"Includes the pan's bowl, enclosed surface, rim, and handle, including when detached from the fighter. Excludes the fighter, smoky halo, impact sparks, and motion trails.","id":"obj_009","temporal":{"status":"found","start_s":23.5,"end_s":30.0,"reference_s":25.0,"evidence":"目标是黑色战士与红色战士交战时使用的黑色煎锅，可辨认出圆形或椭圆形锅身及短柄，不含周围烟雾和火花。23.25秒尚未出现，23.5秒锅身和柄已完整可见；此后持续出现，29.75秒脱手悬空仍是同一口��。最后合格帧为29.75秒，视频于30秒结束，无后续帧。选择25秒作为关键帧，锅举在头顶侧上方，锅身与柄清楚，遮挡较少。","start_frame":564,"end_frame":720,"reference_frame":600},"grounding":{"status":"found","bbox_xyxy":[721.9,289.1,820.3,423.4],"positive_points":[[751,326],[771,349],[746,383],[778,394],[796,394],[812,407]],"negative_points":[[849,532],[700,350],[625,584],[491,578]],"evidence":"目标是黑色角色举起的圆形平底锅。框紧贴锅身及向右下方伸出的短柄，不含烟雾光晕或握柄的手。正点分布在锅面与短柄上；负点位于黑色角色头部、锅外背景、黄色火花和红色角色上。"}}]}
+{"video_id":79,"video_type":"2D games","targets":[{"name":"Underwater tower-defense board","description":"The central playfield has a pale sandy route forming two upper loops and a long lower passage, with defensive towers, moving monsters, and projectiles in turquoise water.","membership":"Includes the sandy route and its edging, the buildable water between and inside its turns, and the game objects occupying this playfield, including the towers immediately beside its outer edge. Excludes the surrounding dark-blue ocean, top status bar, and floating interface panels.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":17.75,"evidence":"目标是中央浅沙色双上环及下部长通道、其间的青绿色可建造水域和场上游戏对象，不含深蓝外海、顶部状态栏及浮动面板。首帧0.00秒已完整建立，至末帧19.75秒持续存在；塔、防御弹和怪物的变化不改变棋盘身份。区间覆盖视频首尾，两端均无区间外采样帧。选择17.75秒作为关键帧，路线边界清晰、弹幕较少且没有展开的建造菜单，便于区分棋盘与外围海水。","start_frame":0,"end_frame":480,"reference_frame":426},"grounding":{"status":"found","bbox_xyxy":[166,229,853,1000],"positive_points":[[191,561],[290,300],[655,305],[495,568],[698,810],[304,942]],"negative_points":[[116,391],[918,674],[532,53],[559,917]],"evidence":"根据双上回环和底部长通道的浅色沙路识别中央战场。框覆盖沙路及边缘、转弯内外的可建造水域、防御塔、怪物和飞行弹体，也包含紧邻外缘的塔。正点分布在左右沙路、中央水域、外侧塔及右下游戏物体上；负点位于外围深蓝海水、顶部状态栏和底部浮动提示面板。"}},{"name":"Game status and controls bar","description":"The long teal panel across the top contains the carrot-coin balance, the wave counter initially reading “09 / 25 波怪物,” the “1X” speed control, pause button, and menu button.","membership":"Includes the complete teal panel, its border, and all counters, icons, and controls inside it. Excludes the playfield below.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":0,"evidence":"目标是画面顶部的长条青绿色状态与控制面板，包含金币余额、波次计数、“1X”、暂停和菜单按钮。首个合格帧为0.00秒，最后为19.75秒；整个采样序列中面板及边框始终完整可见，余额和波次变化不影响其连续性。区间覆盖视频首尾，边界之外没有采样帧。选择0.00秒作为关键帧，面板轮廓与内部控件清晰且无遮挡。","start_frame":0,"end_frame":480,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[178,0,823,113],"positive_points":[[208,48],[310,70],[445,48],[571,71],[723,48],[779,48]],"negative_points":[[145,55],[864,57],[497,154],[658,187]],"evidence":"目标是顶部横向青绿色状态与控制栏，可由金币余额622、09/25波数、1X、暂停及菜单按钮识别。边界框覆盖完整面板、边框及内部所有内容；正点分布在金币、计数器、面板底色和控制按钮上，负点位于面板左右的水域背景及下方游戏区域。"}},{"name":"Carrot to defend","description":"The orange carrot with green leaves and a transparent diving helmet stands at the end of the right-hand route. Its pink heart indicator reads “10.”","membership":"Includes the carrot, leaves, helmet, collar, and attached heart-and-value indicator. Excludes the sandy route, nearby mushroom, upgrade markers, and passing projectiles.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":17.5,"evidence":"目标是右侧路线终点的橙色胡萝卜，带绿叶、透明潜水头盔、 collar领圈及标有“10”的粉色爱心指示牌。首个合格帧为0.00秒，最后为19.75秒；其间始终为同一对象，动作和短暂遮挡未中断其存在。区间覆盖视频首尾，边界外没有采样帧。选择17.50秒作为关键帧，此时目标及指示牌完整清晰，附近弹道和菜单遮挡较少。","start_frame":0,"end_frame":480,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[670,353,739,596],"positive_points":[[697,382],[699,441],[722,460],[700,505],[696,538],[677,478]],"negative_points":[[643,438],[697,594],[745,598],[760,472]],"evidence":"目标位于右侧路线终点，是戴透明潜水头盔的橙色胡萝卜，上方粉色爱心标牌显示“10”。框覆盖标牌、绿叶、头盔、胡萝卜及颈圈；正点分布在这些部件上，负点位于邻近蘑菇、绿色升级标记、飞行弹丸和沙路上。"}},{"name":"Yellow fish obstacle","description":"A yellow fish with orange stripes sits above the upper-right bend and is attacked before disappearing.","membership":"Includes the fish's body, fins, tail, and associated health bar. Excludes bubbles, impact flashes, reward pop-ups, and surrounding water.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":13.75,"reference_s":0,"evidence":"目标是右上方道路拐弯上侧的黄色橙纹鱼，包括鱼身、鳍、尾及上方血条。首个合格帧为0.00秒，已完整显示；视频起点前无采样帧。最后合格帧为13.50秒，鱼仍可见；13.75秒鱼已消失，原位置仅剩白色消除烟雾。期间受击闪光属于短暂遮挡。选择0.00秒作为关键帧，鱼的轮廓和血条清晰，遮挡少。","start_frame":0,"end_frame":330,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[731.4,124.7,777.3,238.6],"positive_points":[[741.2,134.5],[765.1,134.5],[752.4,196.3],[772.0,194.1],[737.8,215.8],[761.2,222.3]],"negative_points":[[711.9,201.7],[786.6,180.0],[752.0,293.9],[806.2,319.0]],"evidence":"目标是右上方道路拐弯上方的橙色条纹黄鱼。框覆盖鱼身、鱼鳍、尾巴及上方血条；正点分布在血条和鱼的各部位，负点位于周围水面、下方沙地及右侧蓝色障碍物，未纳入气泡。"}},{"name":"Coral-and-rock obstacle","description":"An orange branching coral behind a rounded blue rock and a small lime-green stone stands outside the right edge of the route, below the yellow fish.","membership":"Includes the complete compact coral-and-rock cluster and its health bar when visible. Excludes projectiles, damage effects, and the later destruction cloud and reward pop-up.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":12.5,"reference_s":0,"evidence":"目标为路线右侧、黄色鱼下方的橙色枝状珊瑚、蓝色圆石和小块黄绿色石头组成的障碍物，包含可见血条。首个合格帧为0秒，结构已完整；最后合格帧为12.25秒。12.5秒时该障碍物被摧毁，仅见白色烟云和奖励提示，不再计入。视频起点之前没有采样帧。选择0秒作为关键帧，因完整轮廓和血条清晰，遮挡少。","start_frame":0,"end_frame":300,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[788,249,833,364],"positive_points":[[801.8,259.2],[797.4,280.9],[825.2,299.3],[802.2,317.8],[801.3,341.6],[823.7,348.2]],"negative_points":[[756.3,200.7],[849.6,321],[771.5,327.5],[774.4,534.7]],"evidence":"目标位于路线右侧、黄色鱼下方，由橙色分枝珊瑚、圆蓝石和小块黄绿色石头组成。框覆盖完整珊瑚岩石簇及上方血条；正点分布在血条、珊瑚枝和两种石头上，负点位于黄色鱼、右侧海水、左侧道路及下方粉色弹丸上。"}},{"name":"Initially selected yellow-and-red turret","description":"The yellow circular turret with a red barrel occupies the upper-left position in the lower-right turret cluster. It is selected at the start and then removed.","membership":"Includes this turret's circular housing, barrel, and small projections. Excludes its selection frame, range disk, upgrade and sell controls, and neighboring turrets.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标是右下炮塔群左上角、开场被选中的黄色圆形红炮管炮塔，不包含选择框、射程圆盘及操作按钮。首个合格帧为0秒，最后合格帧为0.25秒；0.5秒时该炮塔已消失，原位置出现移除烟雾。区间始于视频开头，没有更早的采样帧。选择0秒作为关键帧，炮塔自身结构清晰，便于与相邻炮塔区分。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[621.6,643.2,663.6,732.1],"positive_points":[[640.6,654.9],[640.6,681.1],[628.4,674.6],[652.8,675.7],[659.7,677.9],[629.9,704.4]],"negative_points":[[640.6,552.1],[642.6,809.1],[698.2,681.1],[668.0,758.1]],"evidence":"目标是右下炮塔群左上方、虚线选择框内的黄色圆形红炮管炮塔。框仅覆盖其可见外壳、炮管和小凸起，不含选择框、绿色升级标记及范围圆盘。正点分布于红炮管、黄色外壳和侧面凸起；负点位于上方升级按钮、下方出售按钮、右侧炮塔及外部范围背景。"}},{"name":"Initial turret action menu","description":"The opening selection menu surrounds the yellow-and-red turret, showing an upward arrow priced “260” and a red X priced “128.”","membership":"Includes the translucent circular range panel and its enclosed area, selection frame, and upgrade and sell buttons with their price labels. The turret remains a separately identified object within the panel's area.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标是开场包围黄红炮塔的操作菜单，包含半透明圆形范围面板、选择框、标价260的向上箭头和标价128的红色X。首个合格帧为0.00秒，最后为0.25秒，两帧菜单均完整显示；0.50秒菜单已消失，原位置出现白色烟雾。区间从视频起点开始，没有更早采样帧。选择0.00秒作为关键帧，菜单边界、按钮和价格清楚可辨。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[541,465,741,907],"positive_points":[[642,548],[643,601],[640,808],[617,655],[573,575],[620,882]],"negative_points":[[640,676],[529,630],[774,721],[635,951]],"evidence":"目标是黄红炮塔周围的初始操作菜单，可由标价260的升级箭头和标价128的红色X确认。框覆盖半透明圆形范围面板及其内部、选择框和两组按钮与价格。正点分布在面板、选择框、升级按钮及价格、出售按钮上；负点位于单独排除的中央炮塔及圆形面板外部。"}},{"name":"First tower construction palette","description":"A floating palette opens above the newly vacated lower-right building slot. It offers fishbone, mushroom, octopus, anchor, purple-orb, and green-fan tower icons with prices.","membership":"Includes the six purchase icons and their price plaques, plus the associated outlined empty building slot. Excludes the underlying towers, carrot, route, and unrelated upgrade markers.","id":"obj_008","temporal":{"status":"found","start_s":1.0,"end_s":2.0,"reference_s":1.0,"evidence":"目标是右下方空置建造格上方的六项购买浮动菜单，包含鱼骨、蘑菇、章鱼、锚、紫球、绿扇图标及价格牌，并包括下方描边空格。首个完整呈现帧为1.00秒，最后符合帧为1.75秒；此前0.75秒只有拆除烟雾、尚无菜单，此后2.00秒菜单与空格已被建造效果替代。选择1.00秒作为关键帧，六个图标、价格及空格均清楚可辨。","start_frame":24,"end_frame":48,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[504.9,352.5,775.4,746.2],"positive_points":[[529.3,406.7],[604.5,390.5],[676.8,395.9],[755.4,398.0],[528.3,547.7],[604.0,559.7]],"negative_points":[[700.7,517.4],[640.6,451.2],[639.6,716.9],[582.0,686.6]],"evidence":"已找到右下方空建筑位上方的六项建塔菜单。边界框覆盖鱼骨、蘑菇、章鱼、锚、紫球、绿扇购买图标及价格牌，并延伸至下方描边空建筑位。六个正点分别落在购买图标上；负点落在被排除的胡萝卜、原有蘑菇塔、升级箭头及下方既有塔上。"}},{"name":"New lower-right mushroom tower","description":"A pink mushroom with white spots is built in the vacated slot between the right-side octopus and yellow-and-red turret. It is subsequently selected and upgraded.","membership":"Includes this mushroom's cap and yellow base throughout its growth and upgrades. Excludes construction smoke, upgrade beams, selection outlines, range indicators, and action buttons.","id":"obj_009","temporal":{"status":"found","start_s":2.25,"end_s":20.0,"reference_s":17.5,"evidence":"目标位于右侧章鱼与黄红炮塔之间的空槽，是随后被选中并升级的粉红白斑蘑菇，包含菌盖和黄色底座。2.00秒该槽仍被建造烟雾遮住，尚无可辨认的完整蘑菇；2.25秒其自身结构已完整出现，此后成长和升级保持同一身份，至最后采样帧19.75秒仍在。区间到达视频末尾，无后续帧。选择17.50秒作为关键帧，蘑菇形状清楚，且无选择框、升级光束或烟雾遮挡。","start_frame":54,"end_frame":480,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[616.2,634.5,666.5,743.5],"positive_points":[[622.6,675.7],[640.1,648.6],[655.8,656.2],[659.2,683.3],[628.9,728.9],[653.3,726.7]],"negative_points":[[584.5,695.2],[698.7,676.8],[677.7,772.2],[640.6,716.9]],"evidence":"目标是右下方章鱼与黄红炮塔之间的粉色白斑蘑菇。框紧贴其菌盖及黄色底座；六个正点分布于菌盖和底座可见部分，负点位于相邻章鱼、炮塔、外部水面及明确排除的绿色升级按钮上。"}},{"name":"First new-mushroom action menu","description":"The newly built lower-right mushroom is briefly selected with an upgrade arrow priced “260” and a sell X priced “176.”","membership":"Includes the circular translucent range panel and enclosed area, the mushroom's selection frame, and both action buttons with their price plaques. Excludes unrelated interface elements outside the panel.","id":"obj_010","temporal":{"status":"found","start_s":2.5,"end_s":2.75,"reference_s":2.5,"evidence":"2.50秒时，右下方新建蘑菇被选中，完整显示半透明圆形范围面板、蘑菇选择框、标价“260”的升级箭头及标价“176”的出售X，符合目标。首个和最后一个合格采样帧均为2.50秒；前一帧2.25秒仍是建造烟雾，没有该菜单，后一帧2.75秒菜单已消失并出现升级光效。选2.50秒作为关键帧，目标结构和价格均清晰可辨。","start_frame":60,"end_frame":66,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[542,467,741,907],"positive_points":[[641,550],[640,603],[618,692],[640,800],[642,854],[710,643]],"negative_points":[[764,687],[519,630],[640,425],[640,947]],"evidence":"目标是右下方新蘑菇的操作菜单，可见升级箭头及“260”价格、出售叉号及“176”价格。框覆盖整个半透明圆形范围面板及其内部、蘑菇选择框和两组按钮价签。正点分布于按钮、价签、选择框和面板内部；负点位于圆外道路、水域及上方另一蘑菇。"}},{"name":"Second new-mushroom action menu","description":"After the first upgrade, the lower-right mushroom is selected again. This menu shows an upgrade price of “380” and a sell value of “384,” with the upgrade initially grayed out.","membership":"Includes this appearance's circular range panel and enclosed area, selection frame, upgrade button, sell button, and price plaques. Excludes attack effects and unrelated controls outside the panel.","id":"obj_011","temporal":{"status":"found","start_s":3.0,"end_s":4.5,"reference_s":3.5,"evidence":"右下方新蘑菇再次被选中，菜单包含圆形范围面板、选中框、升级价380及出售值384，升级按钮最初为灰色。3.00秒菜单虽较小，但各组成部分已完整呈现；最后 qualifying 帧为4.25秒，此时升级按钮变蓝。前一帧2.75秒只有升级光效，尚无此菜单；后一帧4.50秒菜单已消失。选择3.50秒作为关键帧，面板及按钮清晰，价格易辨认。","start_frame":72,"end_frame":108,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[520.5,423,760.5,950],"positive_points":[[640,553],[641,604],[641,803],[641,852],[620,650],[710,822]],"negative_points":[[744,602],[780,929],[474,415],[808,652]],"evidence":"右下蘑菇的菜单显示灰色升级按钮及价格380，下方出售按钮标价384，符合目标。框覆盖圆形射程面板及内部、选中框、两个按钮和价格牌；正点分布于这些组件及面板内部，负点位于排除的粉色攻击效果、左侧其他炮塔和面板外水面。"}},{"name":"Obstacle-clear notification","description":"A dark rounded notification near the bottom displays a gold-and-green medal beside “所有道具都被清空啦！” after the remaining obstacles are destroyed.","membership":"Includes the notification's backing, border, medal, and complete message. Excludes the route and towers behind it and nearby floating coin rewards.","id":"obj_012","temporal":{"status":"found","start_s":14.5,"end_s":19.75,"reference_s":17.0,"evidence":"目标是底部带金绿勋章、深色圆角底板和完整“所有道具都被清空啦！”文字的通知。14.50秒首次完整呈现；前一帧14.25秒仍从画面底部进入，勋章及底板被边界裁切。最后符合帧为19.50秒，19.75秒通知已消失。选择17.00秒作为关键帧，通知结构和文字清晰，附近特效遮挡少。","start_frame":348,"end_frame":474,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[384.5,854,663.6,980.5],"positive_points":[[393,914],[430,886],[421,946],[493,914],[594,914],[647,925]],"negative_points":[[529,815],[585,973],[732,915],[490,758]],"evidence":"目标是底部显示“所有道具都被清空啦！”的深色圆角通知。框覆盖完整底板、边框、金绿色奖章和文字；正点分布于这些组成部分，负点位于通知外的塔、沙色路线、粉色飞行物及水面，均不包含在目标内。"}},{"name":"Second tower construction palette","description":"A construction palette later opens over the lower-left center of the board, associated with an empty slot immediately right of the two green fishbone towers and below an existing octopus.","membership":"Includes the six tower purchase icons, their price plaques, and the associated outlined plus-sign building slot. Excludes existing towers, the sandy route, and the notification beneath it.","id":"obj_013","temporal":{"status":"found","start_s":18.0,"end_s":19.5,"reference_s":18.5,"evidence":"目标位于棋盘左下偏中，两座绿色鱼骨塔右侧、现有章鱼下方的空槽处，包括六个购买图标、价格牌和描边加号建造槽。18.00秒首次完整显示，19.25秒为最后符合帧；此前17.75秒尚无该面板，之后19.50秒面板消失，槽位出现建造烟雾。选择18.50秒，全部成员清晰完整，便于区分现有塔和下方通知。","start_frame":432,"end_frame":468,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[278.8,473.9,553.7,867.7],"positive_points":[[305,531],[453,518],[526,530],[307,674],[380,680],[416,811]],"negative_points":[[358,811],[416,706],[534,920],[249,547]],"evidence":"目标为左下偏中展开的建塔菜单，位于两座绿色鱼骨塔右侧空槽上方。框覆盖六个购买图标及价格牌，以及下方带加号的描边建造槽。正点分布在购买图标和加号槽上；负点位于已有鱼骨塔、已有章鱼、底部通知和沙���路径，均不属于目标。"}},{"name":"New bottom-row octopus tower","description":"At the end, a small pink octopus is constructed between the right-hand green fishbone tower and the left orange sun tower, directly below an existing larger octopus.","membership":"Includes the new octopus's rounded head, face, and tentacles. Excludes construction smoke, stars, neighboring towers, and the underlying water.","id":"obj_014","temporal":{"status":"found","start_s":19.75,"end_s":20.0,"reference_s":19.75,"evidence":"目标是底排右侧绿色鱼骨塔与左侧橙色太阳塔之间、原有大章鱼正下方的新小粉色章鱼。19.75秒其圆头、脸和触手已完整可见，是首个也是最后一个合格采样帧；19.50秒该位置仍被建造烟雾覆盖，未见完整章鱼结构。选择19.75秒作为关键帧，目标清晰且能与邻塔区分。区间延续至视频结束，之后无采样帧。","start_frame":474,"end_frame":480,"reference_frame":474},"grounding":{"status":"found","bbox_xyxy":[395.5,765.7,436.5,860.1],"positive_points":[[415,786.3],[405.3,808],[424.3,810.2],[402.3,838.4],[415,846],[428.2,840.6]],"negative_points":[[360.4,825.4],[471.7,823.2],[458.5,740.8],[440.9,884.9]],"evidence":"目标是底排绿色鱼骨塔与左侧橙色太阳塔之间、较大章鱼正下方的小粉色章鱼。框紧贴其圆头、面部和触手；六个正点分布于头部及底部触手，负点位于邻近鱼骨塔、太阳塔、施工烟雾和框外背景，均不包含在目标中。"}}]}
+{"video_id":80,"video_type":"2D games","targets":[{"name":"Game status and control panel","description":"The teal panel across the top displays carrot currency, the monster-wave counter, the “2X” speed setting, and blue speed, pause, and menu controls. Its values update during play.","membership":"Include the complete teal panel, its border, counters, symbols, labels, and control buttons. Exclude the playfield below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":31,"reference_s":0,"evidence":"目标为画面顶部的完整青绿色状态控制栏，包含货币、怪物波次、2X标识及蓝色速度、暂停和菜单按钮。首个合格帧为0.00秒，最后为30.75秒，全程栏体和边界保持完整，仅数值更新。区间覆盖视频起止，两端均无区间外相邻采样帧。选择0.00秒作为关键帧，面板清晰且无遮挡。","start_frame":0,"end_frame":744,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[178,0,823,111],"positive_points":[[207,46],[339,57],[444,49],[552,48],[665,49],[778,48]],"negative_points":[[143,51],[858,54],[300,184],[528,186]],"evidence":"目标是顶部横贯画面的青绿色状态与控制面板，可由胡萝卜货币、波次计数、2X及蓝色控制按钮识别。边界框覆盖完整可见面板、边框及内部内容；正点分布在货币图标、面板底色、计数标签和控制按钮上，负点位于左右外部背景及下方游戏场景。"}},{"name":"Tower-defense playfield","description":"The central light-green game board contains a winding brown monster route, buildable ground, obstacles, defensive towers, moving enemies, and the carrot at the route’s destination.","membership":"Include the irregular central playfield, its grassy surface and brown route, and all game objects and gameplay overlays within it. Separately listed children remain part of this region. Exclude the top status panel and the surrounding dark-green patterned background and ornamental foreground branches.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":31,"reference_s":1,"evidence":"目标是中央浅绿色不规则游戏区域，包含棕色蜿蜒路线、障碍物、风车、敌人和终点胡萝卜，不含顶部状态栏及外围深绿色背景、装饰树枝。首帧0.00秒已完整呈现，至最后采样帧30.75秒仍持续存在；期间内部物件变化不影响区域连续性。区间抵达视频首尾，两侧均无额外采样帧。选择1.00秒作为关键帧，区域结构清楚，较少大型特效遮挡。","start_frame":0,"end_frame":744,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[163,104,835,1000],"positive_points":[[490,190],[246,313],[455,493],[611,648],[758,771],[414,908]],"negative_points":[[504,49],[108,437],[914,543],[789,952]],"evidence":"依据浅绿色草地、蜿蜒棕色路线及塔、怪物和终点胡萝卜识别中央游戏区域。框覆盖不规则棋盘及其中的游戏对象和叠加标记；正点分布在草地、路线、风车、胡萝卜和怪物上，负点位于顶部状态栏、两侧深绿色花纹背景及底部装饰枝条。"}},{"name":"Sun defensive tower","description":"An orange, scalloped sun with a smiling yellow face stands near the upper middle-right of the playfield. It repeatedly attacks surrounding obstacles and passing enemies.","membership":"Include the complete sun-shaped tower, including its scalloped perimeter and facial features. Exclude the adjacent pink targeting marker, selection indicators, expanding attack waves, and flames on other objects.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":31,"reference_s":7,"evidence":"目标是游戏区域上方偏右的橙色波瓣太阳塔，带黄色笑脸，不包括旁边粉色标记及扩散攻击波。首帧0.00秒已完整呈现，至末帧30.75秒仍持续存在，因此区间为[0,31)。区间两端均为视频边界，没有更早或更晚的 sampled 帧。选择7.00秒作为关键帧，太阳轮廓和五官清楚，无攻击波或烟雾遮挡，便于排除旁边标记。","start_frame":0,"end_frame":744,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[560,134,608,243],"positive_points":[[583,146],[567,181],[600,165],[582,178],[583,204],[584,233]],"negative_points":[[613,205],[613,259],[546,188],[596,360]],"evidence":"目标是画面中上偏右、带笑脸的橙黄色太阳防御塔。边界框覆盖完整太阳轮廓、波瓣边缘和面部，不含旁边的粉色标记及状态条。六个正点分布在太阳顶部、两侧、面部和底部；负点位于粉色标记、下方状态条、左侧草地及下方树木。"}},{"name":"Upper rock obstacle","description":"A tall gray rock and a smaller rounded brown stone form a compact obstacle immediately to the right of the sun tower. They disappear as nearby obstacles are cleared.","membership":"Include both stones and their visible surfaces as one compact rock formation. Exclude the floating health bar, targeting marker, and attack effects.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":6.75,"reference_s":0,"evidence":"目标是太阳塔紧右侧的高灰岩石及其右下方的小棕色圆石，不包括血条、标记和攻击效果。首个合格帧为0.00秒，最后合格帧为6.50秒；6.75秒该岩石组合被清除，原处出现白色烟雾和奖励效果，7.00秒可确认已消失。目标在视频开头已经完整呈现，没有更早的相邻帧。选择0.00秒作为关键帧，两块石头轮廓清晰、遮挡少。","start_frame":0,"end_frame":162,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[621,145,663,235],"positive_points":[[638,163],[629,186],[635,211],[647,186],[643,217],[655,216]],"negative_points":[[641,134],[612,205],[583,184],[674,248]],"evidence":"目标位于太阳塔紧邻右侧，由高大的灰岩和右下方圆润的棕色小石组成。边界框紧贴两块石头的可见轮廓；六个正点分布在两块石头表面，四个负点分别位于上方血条、粉色瞄准标记、太阳塔和右下方草地，排除这些非目标内容。"}},{"name":"Upper isolated evergreen obstacle","description":"A small green evergreen stands immediately left of the sun tower, above another similar evergreen. It has its own diminishing health bar and is cleared early.","membership":"Include the complete upper tree, its layered foliage and trunk. Exclude its health bar and overlaid flames.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":6.75,"reference_s":0,"evidence":"目标是太阳塔紧邻左侧、另一棵相似小树正上方的独立常青树，包含层叠树冠和树干，不含血条及火焰。首个合格帧为0.00秒，末个为6.50秒；6.75秒该树被清除，其位置出现烟雾，随后为空地。视频起点之前没有采样帧。选择0.00秒作关键帧，树体完整清晰，无遮挡，便于与下方小树区分。","start_frame":0,"end_frame":162,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[508,144,548,237],"positive_points":[[527,155],[523,179],[535,185],[514,214],[542,214],[528,229]],"negative_points":[[516,134],[583,184],[527,321],[562,267]],"evidence":"目标是太阳塔紧邻左侧、另一棵小常青树上方的独立常青树。框覆盖其完整分层树叶和树干，不含上方血条及地面阴影。六个正点分布在树冠各层和树干，负点位于血条、太阳塔、下方相似树及外部草地。"}},{"name":"Lower isolated evergreen obstacle","description":"A small green evergreen stands below the upper isolated tree and above the stump, to the lower left of the sun tower. It is cleared early with the nearby rock and upper tree.","membership":"Include the complete lower tree, its layered foliage and trunk. Exclude its health bar and attack effects.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":6.75,"reference_s":0,"evidence":"目标是太阳塔左下方、树桩上方的独立小常青树，位于另一棵独立小树正下方；仅指层叠树冠和树干，不含血条或攻击特效。0.00秒已完整出现，6.50秒仍可见，6.75秒该位置出现清除烟雾，树已消失。区间起点即视频开头，无更早采样帧。选择0.00秒作关键帧，树形清晰且无遮挡，便于与上方小树区分。","start_frame":0,"end_frame":162,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[508.3,270.1,548.3,360.1],"positive_points":[[527.8,280.9],[520.5,298.3],[534.2,302.6],[515.6,329.7],[539.1,335.1],[527.8,351.4]],"negative_points":[[527.3,259.2],[527.3,186.6],[498,440.3],[559.1,324.3]],"evidence":"目标是太阳塔左下方、树桩上方���独立小常青树，位于另一棵独立树的下方。框覆盖其完整分层树冠与树干，不含血条。正点分布在各层枝叶和树干上；负点位于血条、上方树、树桩及右侧草地。"}},{"name":"Left three-tree obstacle","description":"A compact group left of the sun tower combines a broad bright-green evergreen, a taller olive-green evergreen behind it, and a small orange tree in front. The group remains after the nearby isolated trees disappear and is later cleared.","membership":"Include the three trees forming this compact obstacle, including their foliage and trunks. Follow their combined visible outline rather than filling the surrounding grass. Exclude the floating health bar and flames.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":25.5,"reference_s":7.0,"evidence":"目标是太阳塔左侧由宽大的亮绿色针叶树、后方较高的橄榄绿针叶树和前方小橙树组成的紧凑三树障碍，排除血条与火焰。0.00秒已完整出现，25.25秒仍完整可见；25.50秒该树组开始被清除，出现烟雾且树体消失，因此最后合格帧为25.25秒。视频起点之前没有采样帧。选择7.00秒作为关键帧，此时附近孤立树已消失，三树轮廓清晰且无火焰遮挡，易于区分和标注。","start_frame":0,"end_frame":612,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[397.5,144,491.5,363.5],"positive_points":[[426,254],[427,324],[467,204],[480,268],[464,309],[463,352]],"negative_points":[[443,135],[584,188],[508,302],[359,198]],"evidence":"目标位于太阳塔左侧，由前方宽大的亮绿色树、后方较高的橄榄绿色树和前方小橙树组成。边框紧贴三棵树的可见树冠与树干联合范围，不含草地、阴影及悬浮血条。六个正点分布在三树的树冠和树干上；负点位于上方血条、右侧太阳塔、外部草地及左侧独立树上。"}},{"name":"Tree-stump obstacle","description":"A broad brown cut stump with short side branches sits near the center of the board, below and left of the sun tower. Its health decreases until it disappears.","membership":"Include the stump’s cut top, trunk, roots, side branches, and attached green shoots. Exclude its health bar, targeting overlays, and attack flames.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":25.5,"reference_s":0,"evidence":"目标是棋盘中央、太阳塔左下方的宽棕色树桩，可见切面、树根、短侧枝及绿芽，不包括上方血条和攻击火焰。首个合格帧为0.00秒，树桩已完整呈现，视频起点之前无采样帧；最后合格帧为25.25秒。25.50秒树桩被清除，原位置出现烟雾及金币奖励，25.75秒确认消失。选择0.00秒作关键帧，因为树桩结构清晰且遮挡少。","start_frame":0,"end_frame":612,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[457,389,531,474],"positive_points":[[494,414],[500,445],[479,463],[467,427],[525,400],[522,435]],"negative_points":[[499,398],[546,455],[463,317],[583,185]],"evidence":"目标是画面中央、太阳塔左下方的宽棕色树桩。框覆盖切面、树干、根部、侧枝及附着绿芽，不含血条与地面阴影。正点分布在切面、树干、根和两侧枝芽；负点位于上方血条、右侧草地、邻近树木及太阳塔。"}},{"name":"Right three-tree obstacle","description":"A compact group between the sun tower and windmill contains a broad green evergreen, a tall olive-green evergreen, and a small orange tree. It is progressively damaged and eventually cleared.","membership":"Include the three trees belonging to this compact group, following their foliage and trunk outlines. Exclude surrounding grass, the health bar, and attack effects.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":25.5,"reference_s":1.0,"evidence":"目标是太阳塔下方、风车上方的紧凑三树组，由宽阔绿色松树、高大橄榄绿松树和小橙树组成，不含血条及攻击特效。0.00秒已完整可见，视频起点前无采样帧；最后符合条件的是25.25秒，25.50秒树组开始被清除，出现烟雾和金币奖励，树体已消失。选择1.00秒作为关键帧，三棵树轮廓清楚、遮挡少。","start_frame":0,"end_frame":612,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[566.4,271.1,659.7,489.2],"positive_points":[[594.7,370.9],[595.2,446.9],[636.2,312.4],[648.9,386.1],[631.8,423.0],[632.3,475.1]],"negative_points":[[611.3,259.2],[554.2,367.7],[612.3,622.6],[585.9,183.3]],"evidence":"目标位于太阳塔下方、风车上方，由宽大的绿色针叶树、后方高橄榄绿针叶树和右下小橙树组成。框紧贴三棵树的可见树冠及树干；六个正点分布在三树的枝叶和树干上，负点位于上方血条、左侧草地、风车和太阳塔，排除这些非目标内容。"}},{"name":"Windmill obstacle","description":"A large green windmill with four white lattice sails occupies the lower middle-right grassy island inside the route. Its sails rotate throughout the sequence.","membership":"Include the windmill body, base, hub, and all four sails. Include the enclosed openings within each framed lattice sail, but exclude the spaces between separate sails, surrounding ground, and passing enemies.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":31,"reference_s":15.25,"evidence":"目标是路线内偏右下草地岛上的绿色风车，具有底座、中央轮毂及四片白色格栅风帆。首帧0.00秒已完整呈现，至末帧30.75秒仍持续存在，风帆旋转不影响完整性。区间覆盖视频首尾，边界外没有采样帧。选择15.25秒作为关键帧，此时风车结构清晰，无遮挡且附近没有经过的敌人。","start_frame":0,"end_frame":744,"reference_frame":366},"grounding":{"status":"found","bbox_xyxy":[565.4,518.4,658.7,747.3],"positive_points":[[628,559],[585,583],[638,658],[594,680],[612,622],[615,724]],"negative_points":[[633,453],[532,689],[666,553],[601,819]],"evidence":"目标是画面中下偏右草地岛上的绿色风车，带四片白色格栅风帆。边界框覆盖全部风帆、中心轴、绿色主体和底座；六个正点分布于四片风帆、中心轴及主体底座处，负点位于外部树木、草地和道路上。"}},{"name":"Carrot destination","description":"An orange carrot character with green leaves and expressive eyes stands at the lower-right end of the route. A nearby pink heart indicator reads “10”.","membership":"Include the complete carrot character, its leaves, body, and facial features. Exclude the adjacent heart indicator, nearby tower, and interaction overlays.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":31,"reference_s":0,"evidence":"目标是路线右下端的橙色胡萝卜角色，具有绿色叶簇和眼睛，旁边粉色爱心显示“10”（不计入目标）。首帧0.00秒已完整显示，末帧30.75秒仍在同一位置持续存在；期间有表情、姿态变化及短暂烟雾遮挡，并未退出。区间到达视频起止边界，边界外无采样帧。选择0.00秒作为关键帧，角色完整清晰，未被烟雾或后建的塔遮挡。","start_frame":0,"end_frame":744,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[737,668,790,836],"positive_points":[[760,695],[779,722],[747,705],[756,736],[749,779],[762,805]],"negative_points":[[809,759],[718,703],[799,862],[708,807]],"evidence":"目标是路线右下端、粉色“10”爱心标记左侧的胡萝卜角色。框覆盖完整绿叶、橙色身体和五官，不含地面阴影及相邻指示牌。正点分布在叶片、眼睛和身体上；负点位于爱心指示牌、外部草地、道路及右下装饰上。"}},{"name":"Carrot life indicator","description":"A pink rounded indicator beside the destination carrot combines a heart symbol with the value “10”.","membership":"Include the complete pink badge, its white border, heart symbol, and number. Exclude the carrot character and any build-selection outline above it.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":31,"reference_s":0,"evidence":"目标是终点胡萝卜旁的粉色圆角生命徽章，含白色边框、心形和“10”，不含胡萝卜或建造选框。首个合格帧为0.00秒，最后为30.75秒；整个视频中持续存在，建造特效造成的短暂遮挡不改变其身份。区间到达视频首尾，没有边界外的采样帧。选择0.00秒作为关键帧，徽章完整清晰且无遮挡。","start_frame":0,"end_frame":744,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[783.7,727.8,835.4,788.5],"positive_points":[[792.5,757.0],[797.9,773.3],[803.7,739.7],[811.0,755.0],[820.8,759.2],[828.6,766.8]],"negative_points":[[759.3,769.0],[846.2,754.9],[807.6,697.4],[818.4,811.3]],"evidence":"目标位于右下方终点胡萝卜右侧，是带心形和数字“10”的粉色圆角生命徽章。边界框覆盖完整粉色底、白色边框、心形及数字；正点分布在这些内容上，负点位于胡萝卜和徽章外围草地，排除角色及其他对象。"}},{"name":"Tower purchase palette","description":"A temporary two-row palette opens beside the carrot. Six circular choices show a green propeller, a red flame bottle, blue star-shaped weapons, a green-and-white weapon, and a smiling sun, with prices of “160” or “180”.","membership":"Include the six option discs, their depicted towers, and their attached price plaques as one compact purchase palette. Exclude the underlying playfield and the separate plus-marked build location.","id":"obj_013","temporal":{"status":"found","start_s":21.25,"end_s":21.75,"reference_s":21.25,"evidence":"目标是胡萝卜旁的两排六个圆形塔选项及其160/180价格牌，不包括独立的加号建造格。首个合格帧为21.25秒，末个为21.50秒，两帧均完整显示六个选项。前一帧21.00秒尚无购买面板；后一帧21.75秒面板消失，出现新建火焰瓶塔及烟雾。选择21.25秒作为关键帧，选项与价格牌清晰且遮挡少。","start_frame":510,"end_frame":522,"reference_frame":510},"grounding":{"status":"found","bbox_xyxy":[672,349,947,623],"positive_points":[[700,405],[772,408],[847,406],[919,410],[700,560],[772,559]],"negative_points":[[810,685],[758,769],[657,469],[738,303]],"evidence":"目标是胡萝卜旁的两排六项购买菜单，包含绿色螺旋桨、火焰瓶、两种蓝色星形武器、绿白武器和太阳。框覆盖全部六个圆形选项及其价格牌；六个正点分别落在各选项内容上，负点位于独立加号建造位、胡萝卜及外围草地和道路，不包含底层场景。"}},{"name":"Flame-bottle defensive tower","description":"A red bottle-shaped tower with a flame emblem is built just above and to the right of the carrot. It rotates to fire a narrow beam at enemies and then at the trees along the right edge.","membership":"Include the complete red bottle-shaped weapon and its yellow circular base. Exclude its floating upgrade arrow, targeting markers, beam, and impact effects.","id":"obj_014","temporal":{"status":"found","start_s":21.75,"end_s":31.0,"reference_s":22.0,"evidence":"目标是胡萝卜右上方带黄色圆形底座的红色火焰瓶炮塔，之后转向并发射细光束。21.75秒首次可见完整瓶身和底座，周围建造烟雾未遮住其主要结构；前一帧21.50秒仅有建造菜单，尚无该实体炮塔。末个采样帧30.75秒仍完整存在，区间延至视频结尾31.00秒，之后无帧。选择22.00秒为关键帧，此时烟雾散去，瓶身及底座清晰，便于排除上方升级箭头。","start_frame":522,"end_frame":744,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[791,643,832,731],"positive_points":[[809.6,653],[809.6,675],[805.2,698.5],[814,709.5],[796.9,679],[821.3,682]],"negative_points":[[809.6,591],[760.3,769],[807.6,759],[843.8,679]],"evidence":"目标位于右下方胡萝卜的右上侧，是带火焰标志的红色瓶状防御塔。框覆盖完整可见红瓶和黄色圆形底座；正点分布在瓶盖、瓶颈、瓶身及底座上，负点位于上方升级箭头、胡萝卜、下方爱心数值牌和右侧草地，排除这些非目标内容。"}},{"name":"Lowest right-edge evergreen","description":"The lowest of the small evergreens beside the right-hand route stands directly above the newly built flame-bottle tower. It is subsequently targeted by the tower’s upward beam.","membership":"Include this tree’s complete foliage and trunk. Exclude its health bar, upgrade arrow, beam, and animated targeting rings.","id":"obj_015","temporal":{"status":"found","start_s":0,"end_s":31,"reference_s":0,"evidence":"目标是右侧竖直道路外侧最下方的小常青树，位于后来建成的火焰瓶塔正上方，后续被该塔向上的光束锁定。首帧0.00秒已完整显示树冠和树干，至末帧30.75秒仍持续存在；生命条、光束及瞄准环不属于目标。区间覆盖视频首尾，两端均无界外采样帧。选择0.00秒作为关键帧，此时树形清楚，无遮挡且无攻击特效干扰。","start_frame":0,"end_frame":744,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[789.5,503.3,829.6,607.4],"positive_points":[[808,520],[799,546],[817,550],[795,578],[821,579],[808,599]],"negative_points":[[808,444],[763,551],[849,574],[762,766]],"evidence":"目标是右侧道路外沿一列小常青树中最下方的一棵。边界框覆盖其完整树冠和树干，不包含地面阴影或其他效果。六个正点分布在树冠各层及树干上；负点位于上方另一棵树、左侧道路、右侧草地和下方胡萝卜上。"}},{"name":"Middle right-edge evergreen","description":"A small evergreen directly above the lowest right-edge tree lies between it and the pink-marked upper target. Its health decreases under the bottle tower’s attack.","membership":"Include this individual tree’s foliage and trunk. Exclude the neighboring trees, floating health bar, beam, and impact rings.","id":"obj_016","temporal":{"status":"found","start_s":0,"end_s":31,"reference_s":0,"evidence":"目标是右侧道路外缘、最下方常青树正上方的那棵树，位于底部树与后来带粉色标记的上方树之间；后段受到瓶子塔攻击，血条逐渐减少。首个合格帧为0.00秒，末个为30.75秒，树的枝叶和树干持续存在，攻击光束与冲击环未改变其身份。区间覆盖视频首尾，两端均无区间外采样帧。选择0.00秒作关键帧，树形完整清楚，没有攻击特效遮挡。","start_frame":0,"end_frame":744,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[789.5,380.5,829,486],"positive_points":[[808,402],[803,424],[798,446],[817,448],[809,465],[808,479]],"negative_points":[[808,553],[808,315],[839,435],[777,427]],"evidence":"目标是最右侧树列中从下往上第二棵小常青树，位于最低树的正上方。框仅覆盖该树的树冠和树干；六个正点分布于各层枝叶及树干，负点位于上下相邻树、右侧草地和左侧道路，排除其他树及背景。"}},{"name":"Upper targeted right-edge evergreen","description":"The small evergreen above the middle right-edge tree becomes the pink-marked target of the bottle tower. It sits below another evergreen near the top of the board.","membership":"Include the complete targeted tree, including foliage and trunk. Exclude the separate tree above it, its floating health bar, pink target marker, beam, and animated impact rings.","id":"obj_017","temporal":{"status":"found","start_s":0,"end_s":31,"reference_s":0,"evidence":"目标是棋盘右缘从上往下第二棵小常青树，位于最上方树的下方、中间树的上方；26秒后该树旁出现粉色瞄准标记，可确认身份。树本体在0秒已完整呈现，至30.75秒仍持续存在，射线及命中光环未使其消失。区间覆盖视频首尾，两端均无区间外采样帧。选择0秒为关键帧，树冠及树干清晰，无瞄准标记、血条或命中光环遮挡。","start_frame":0,"end_frame":744,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[789,254,830,359],"positive_points":[[809,271],[801,293],[815,301],[796,332],[822,331],[809,348]],"negative_points":[[808,185],[809,443],[765,310],[847,311]],"evidence":"目标是棋盘最右侧一列中自上而下第二棵常青树，位于顶部树下方、中部树上方。边框紧贴其完整树冠和树干；六个正点分布在各层枝叶及树干，负点位于上、下相邻树、左侧道路和右侧草地，不包含悬浮标记等效果。"}}]}
+{"video_id":81,"video_type":"2D games","targets":[{"name":"Countdown timer","description":"The upper-left game-status text, initially reading \"TIME 104\", counts down during play.","membership":"Include the letters and changing timer digits as one text unit. Exclude the gray backing panel and arena wall below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":27,"reference_s":0,"evidence":"目标是游戏画面左上角的“TIME”及其倒计时数字，不包括灰色背景和下方墙体。首个合格帧为0.000秒，完整显示“TIME 104”；最后合格帧为26.750秒，完整显示“TIME 81”。期间文字持续可见，数字变化不改变该文字单元的身份。区间覆盖视频首尾，边界外没有采样帧。选择0.000秒为关键帧，因为文字完整清晰且无遮挡。","start_frame":0,"end_frame":648,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[108.3,35.2,320.8,76.9],"positive_points":[[118.8,40.7],[164.6,51.9],[192.7,58.3],[255.2,54.6],[270.3,53.7],[307.3,50.0]],"negative_points":[[218.8,86.1],[354.2,55.6],[197.9,138.9],[535.4,52.8]],"evidence":"目标为左上角显示“TIME 104”的倒计时文字。边界框紧贴整组字母、数字及其可见阴影；六个正点分布在字母和数字笔画上，负点位于框外灰色面板、下方墙块及右侧分数文字处，排除这些非目标内容。"}},{"name":"Score display","description":"The centered score at the top, initially \"1500\", changes to \"1600\" after the enemy disappears.","membership":"Include only the score digits, excluding the surrounding gray panel.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":27,"reference_s":1,"evidence":"目标为画面顶部中央的分数数字，不含灰色背景面板；最初为“1500”，敌人消失后变为“1600”，仍是同一计分显示。首个合格帧为0.00秒，最后为26.75秒，期间数字始终完整可见。区间覆盖视频首尾，两端均无额外相邻采样帧。选择1.00秒作为关键帧，数字清晰完整、无遮挡，且与左右的时间和剩余数量显示易于区分。","start_frame":0,"end_frame":648,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[507.8,35.2,609.4,75.0],"positive_points":[[516.1,51.9],[539.6,40.7],[543.8,65.7],[558.9,55.6],[567.7,41.7],[601.6,54.6]],"negative_points":[[489.6,55.6],[625.0,55.6],[557.3,88.0],[557.3,20.4]],"evidence":"目标是顶部中央显示的分数“1500”。边界框紧贴四个数字的可见范围，包括字形阴影，不包含周围灰色面板。六个正点分布在各数字笔画上，四个负点位于数字外围的灰色面板上。"}},{"name":"Remaining-lives display","description":"The upper-right game-status text reads \"LEFT 2\".","membership":"Include the label and number as one text unit, excluding the gray backing panel.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":27,"reference_s":0,"evidence":"目标是游戏画面右上角完整显示的“LEFT 2”文字单元，包括标签和数字，不包括灰色背景。首个合格帧为0.00秒，最后一个为26.75秒，期间始终完整可见且无淡出或遮挡。区间覆盖视频首尾，边界外没有采样帧。选择0.00秒作为关键帧，文字清晰完整，便于空间标注。","start_frame":0,"end_frame":648,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[709.9,35.2,872,76.9],"positive_points":[[716,53],[745,44],[774,45],[802,48],[860,44],[854,67]],"negative_points":[[683,55],[901,55],[786,92],[783,16]],"evidence":"目标为画面右上角的“LEFT 2”剩余生命显示。边界框紧贴整组文字及其可见阴影，不包含灰色背板；��个正点分布于字母和数字笔画上，四个负点位于文字四周的灰色背板。"}},{"name":"Maze playfield","description":"The bounded green game arena contains a regular grid of solid gray blocks, scattered brick-pattern barriers, a door, and moving game sprites.","membership":"Include the arena surface, its enclosing gray block boundary, and all contents within it, including separately listed game objects. Exclude the status strip above, black outer margins, and uploader overlays.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":27,"reference_s":1,"evidence":"目标是状态栏下方的绿色迷宫场地，包括外围灰色方块边界及场内方块、砖墙、门和游戏精灵，不包括黑边与上传者叠加文字。首个合格帧为0秒，末个为26.75秒；场地始终已建立，画面滚动和内部游戏变化不影响其连续身份。区间到达视频首尾，两端均无额外相邻帧。选择1秒帧，场地布局与边界清晰，门和精灵可辨，且没有爆炸遮挡。","start_frame":0,"end_frame":648,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[82.3,100,919.3,1000],"positive_points":[[214,141],[202,354],[528,382],[632,571],[369,858],[841,785]],"negative_points":[[500,58],[48,480],[960,580],[792,972]],"evidence":"目标是状态栏下方的绿色迷宫竞技场。边界框覆盖绿色场地、外围灰色方块墙及场内全部障碍、门和角色，底部延伸至图像边缘。正点分布在围墙、绿地、角色、门及不同障碍上；负点位于上方状态栏、两侧黑色区域和右下角上传者文字叠层，后者不属于目标。"}},{"name":"Initial central explosion","description":"An orange cross-shaped blast is already active near the upper middle of the maze, to the left of the player, when the sequence begins.","membership":"Include the bright central burst and four connected flame arms, following their actual outline. Exclude green spaces between the arms, nearby blocks, and the player.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"0.00秒时，迷宫上方中部、玩家左侧已有完整橙色十字爆炸，中央亮点及四条相连火焰臂清晰可见。首个和最后一个合格帧均为0.00秒；此前是视频起点，无更早帧。紧邻的0.25秒帧中该爆炸已消失，因此区间截至0.25秒。选择0.00秒为关键帧，目标轮廓完整且无遮挡。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[344,195,581,519],"positive_points":[[463,358],[463,233],[462,306],[369,357],[562,358],[462,492]],"negative_points":[[559,274],[366,447],[507,506],[409,286]],"evidence":"目标是迷宫上部中央、玩家左侧的橙色十字爆炸。边界框紧贴中央亮色爆心及四条相连火焰臂的可见范围；六个正点分布在爆心和各火焰臂上，四个负点位于臂间绿地、玩家及附近灰色方块上。"}},{"name":"Player character","description":"The small Bomberman-style character has a white helmet, tan face opening, blue torso, and orange hands and feet. It starts near the maze center, places bombs, and eventually moves onto the door.","membership":"Include the complete character sprite through movement and changes of facing direction. Exclude bombs after placement, explosion flames, and the underlying floor or door.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":27,"reference_s":4,"evidence":"目标是白色头盔、棕色面孔开口、蓝色躯干及橙色手脚的小角色，可连续追踪其在迷宫中移动、放置炸弹并最终站上门。首个合格帧为0.00秒，最后为26.75秒，角色均完整可见；整个区间包含移动及朝向变化，不包含放下的炸弹或火焰。区间达到视频首尾，两端均无额外相邻采样帧。选择4.00秒作为关键帧，角色轮廓清楚、无遮挡，与炸弹、敌人及门分离。","start_frame":0,"end_frame":648,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[508.9,415.7,549,488],"positive_points":[[518.2,424.1],[529.2,459.3],[513,453.7],[543.8,463.9],[521.9,480.6],[535.4,477.8]],"negative_points":[[528.1,509.3],[579.2,429.6],[685.9,359.3],[527.6,385.2]],"evidence":"目标是迷宫中央偏右的白盔、蓝衣、橙色手脚角色。边界框紧贴完整角色精灵；六个正点分布于头盔、躯干、双手和双脚，负点位于角色上下的绿色地面、右侧灰色墙块及右上方已放置的黑色炸弹。"}},{"name":"Orange balloon enemy","description":"An orange, black-outlined balloon-shaped enemy with eyes, a mouth, and a small bottom tip starts in the upper-right passage. It travels around the right side and changes expression and shape before disappearing.","membership":"Include the complete enemy sprite throughout its movement and defeat animation. Exclude surrounding floor, overlapping explosion flames, and the score text that appears after its disappearance.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":24,"reference_s":1.75,"evidence":"目标是带黑色轮廓、眼睛、嘴和底部尖端的橙色气球敌人，从右上通道沿右侧移动。首个合格帧为0秒，视频起点之前无采样帧；包含其移动、变形及击败动画，最后合格帧为23.75秒。24秒时完整身体已消失，仅剩分离残片，随后出现分数文字，故不纳入。1.75秒的敌人轮廓清晰且无遮挡，适合作为空间标注关键帧。","start_frame":0,"end_frame":576,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[757,323,805,394],"positive_points":[[777,336],[766,351],[796,350],[773,367],[789,369],[781,385]],"negative_points":[[739,358],[828,358],[786,288],[786,426]],"evidence":"目标位于右上方通道，是带黑色轮廓、眼睛和嘴巴的橙色气球敌人。边界框紧贴完整精灵，包含底部小尖端；六个正点分布于气球主体及底端，四个负点位于左右绿色地面和上下灰色墙块，均不属于敌人。"}},{"name":"Exit door","description":"A golden-brown double door with dark markings occupies a single opening between gray blocks to the right of the maze center.","membership":"Include both door leaves and their dark outer border. Exclude adjacent gray blocks and the player when standing over the door.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":27,"reference_s":1,"evidence":"目标是迷宫中心偏右、两块灰色方块之间的金棕色双扇门，带深色纹样和外框。首个合格帧为0.00秒，最后为26.75秒；门始终存在，24.25秒后虽被站在门上的玩家部分遮挡，仍可确认同一扇门持续可见。区间覆盖视频起止，两端均无外侧采样帧。选择1.00秒作为关键帧，门形完整清晰，无玩家遮挡，易于排除邻接灰块。","start_frame":0,"end_frame":648,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[604.2,536.1,659.4,608.3],"positive_points":[[616.1,552.8],[643.8,554.6],[615.1,590.7],[644.8,591.7],[623.4,572.2],[633.3,602.8]],"negative_points":[[580.2,571.3],[685.4,572.2],[630.2,504.6],[630.2,636.1]],"evidence":"目标是迷宫中心右侧、两块灰色方块之间的金棕色双扇出口门。边界框紧贴两扇门及其深色外框；正点分布在左右门扇、深色标记和外框上，负点位于相邻灰块及门上方、下方的绿色背景。"}},{"name":"Upper-passage bomb","description":"A black round bomb with white highlights and a short fuse is placed in the upper-right horizontal passage, between the retreating player and the balloon enemy.","membership":"Include the bomb body, highlights, and attached fuse. Exclude the floor, nearby sprites, and the subsequent flame graphic.","id":"obj_009","temporal":{"status":"found","start_s":2.75,"end_s":5.25,"reference_s":3.0,"evidence":"目标是右上方水平通道内、撤退玩家与橙色气球敌人之间的黑色圆炸弹，包含白色高光及短引线。首次完整出现于2.75秒，最后符合条件的帧为5.00秒；前一帧2.50秒尚无炸弹，后一帧5.25秒已被爆炸火焰替代。选择3.00秒作为关键帧，炸弹轮廓清晰，与玩家和敌人分离，无明显遮挡。","start_frame":66,"end_frame":126,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[662.5,322.2,710.4,393.5],"positive_points":[[685.4,362.0],[674.0,347.2],[697.9,356.5],[687.5,379.6],[668.8,362.0],[694.8,328.7]],"negative_points":[[595.8,362.0],[788.5,355.6],[734.4,353.7],[686.5,424.1]],"evidence":"目标是上方通道内、玩家与橙色气球敌人之间的黑色圆炸弹。框覆盖炸弹主体、白色高光及顶部相连的短引线；正点分布在这些部分，负点位于玩家、气球敌人、右侧绿色地面及下方灰色方块上。"}},{"name":"Upper-passage explosion","description":"The upper-passage bomb is replaced by a predominantly horizontal orange blast, with a bright center between gray blocks above and below.","membership":"Include the connected flame graphic and its central burst, following the visible outline. Exclude neighboring blocks and the floor outside the flames.","id":"obj_010","temporal":{"status":"found","start_s":5.25,"end_s":5.75,"reference_s":5.25,"evidence":"目标是上方通道内、上下灰色方块之间的横向橙色爆炸及其明亮中心。首个合格帧为5.25秒，最后合格帧为5.50秒，火焰虽缩小但仍完整相连。前一帧5.00秒该处仍是黑色炸弹，后一帧5.75秒火焰已消失。选择5.25秒作关键帧，因为火焰轮廓完整、中心明亮且无遮挡。","start_frame":126,"end_frame":138,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[554,321,817,396],"positive_points":[[582,355],[622,359],[682,335],[687,381],[740,355],[798,357]],"negative_points":[[634,288],[684,429],[536,356],[840,359]],"evidence":"目标是画面上方通道内、上下灰色方块之间的横向橙色爆炸。边界框紧贴相连火焰及中央亮色爆发部分；六个正点分布于左右火焰和中央爆发处，四个负点位于上、下方块及左右绿色地面，均避开火焰。"}},{"name":"Inner-right-passage bomb","description":"A second black bomb is placed in the passage just left of the rightmost interior block column, above the player as it retreats downward.","membership":"Include the complete black bomb sprite, white highlights, and attached fuse. Exclude the underlying floor and the later explosion.","id":"obj_011","temporal":{"status":"found","start_s":14.25,"end_s":16.5,"reference_s":15.0,"evidence":"目标是最右侧内部方块列左边通道中的第二枚黑色炸弹，带白色高光和引线，玩家放置后向下撤离。首个符合帧为14.25秒，最后为16.25秒；前一帧14.00秒尚无炸弹，后一帧16.50秒已变成爆炸火焰。选择15.00秒作为关键帧，炸弹完整清晰，无遮挡，且与玩家分离。","start_frame":342,"end_frame":396,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[714.6,464.8,763,538],"positive_points":[[743.8,473.1],[726,491.7],[741.1,495.4],[753.6,505.6],[727.1,513],[741.1,526.9]],"negative_points":[[699,498.1],[812.5,500],[788.5,430.6],[684.4,648.1]],"evidence":"目标是玩家上方、最右侧内部方块列左边通道中的黑色炸弹。边界框覆盖完整黑色弹体、白色高光及顶部引线；正点分布在这些部位，负点位于左侧绿色地面、右侧橙色角色、附近灰色方块和下方玩家上。"}},{"name":"Inner-right-passage explosion","description":"The bomb in the inner-right passage becomes a large orange cross-shaped blast extending along the intersecting corridors.","membership":"Include the central burst and connected horizontal and vertical flame arms. Exclude the green spaces between arms, nearby blocks, and other sprites.","id":"obj_012","temporal":{"status":"found","start_s":16.5,"end_s":17.0,"reference_s":16.5,"evidence":"目标是右侧内通道中炸弹产生的橙色十字爆炸，包含中心及相连的横向、纵向火焰臂。首个和最后一个合格帧分别为16.50秒、16.75秒；此前16.25秒仍是黑色炸弹，此后17.00秒火焰已消失。选择16.50秒作为关键帧，十字形结构完整清晰，便于与邻近方块和角色区分。","start_frame":396,"end_frame":408,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[618.8,335.2,860.4,666.7],"positive_points":[[738,500],[739,360],[739,435],[739,632],[641,501],[838,502]],"negative_points":[[704,367],[790,426],[686,644],[844,577]],"evidence":"目标是画面右侧内通道中的橙色十字爆炸。边界框紧贴中央爆点及相连的横向、纵向火焰臂；六个正点分布在中心和各方向火焰上，四个负点位于臂间绿地、邻近灰块、下方角色及右侧敌人上。"}},{"name":"Right-edge-passage bomb","description":"A third black bomb is placed in the narrow passage beside the arena's right boundary, above the balloon enemy while the player retreats upward and left.","membership":"Include the black bomb body, white highlights, and attached fuse. Exclude the boundary wall, floor, and subsequent flames.","id":"obj_013","temporal":{"status":"found","start_s":19.25,"end_s":21.75,"reference_s":20.5,"evidence":"目标是竞技场右边界狭窄通道内、橙色气球敌人上方的第三枚黑色炸弹，包含白色高光和引信。首个完整可见帧为19.25秒，最后一个为21.5秒；此前19.0秒尚无炸弹，此后21.75秒已被爆炸火焰替代。选择20.5秒作为关键帧，此时炸弹结构清晰，与玩家和敌人分离且无遮挡。","start_frame":462,"end_frame":522,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[819.3,464.8,867.7,537.9],"positive_points":[[851,471],[830,492],[835,516],[850,522],[859,501],[844,487]],"negative_points":[[893,497],[808,500],[843,712],[791,573]],"evidence":"目标位于竞技场右侧边界旁的窄通道内，在橙色气球敌人上方。框紧贴黑色炸弹主体、白色高光及顶部相连的引线；正点分布于这些部分，负点位于右侧边墙、左侧绿色地面、下方气球敌人和邻近灰色障碍块上。"}},{"name":"Right-edge-passage explosion","description":"The right-edge bomb becomes an orange blast running vertically beside the boundary wall and extending left into the adjoining passage; it overlaps the balloon enemy.","membership":"Include the connected flame arms and bright junction, following the wall-limited outline. Exclude the wall, floor beyond the flames, and the independently listed enemy sprite.","id":"obj_014","temporal":{"status":"found","start_s":21.75,"end_s":22.25,"reference_s":21.75,"evidence":"目标是紧贴右侧边界墙的橙色爆炸，纵向火焰与向左伸入通道的火焰相连，亮色交点及下方火焰与气球敌人重叠。首个合格帧为21.75秒，最后为22.00秒；前一帧21.50秒仍是黑色炸弹，后一帧22.25秒火焰已消失、敌人仍在。选择21.75秒作为关键帧，火焰轮廓和连接结构最清晰；不包含墙体及敌人精灵。","start_frame":522,"end_frame":534,"reference_frame":522},"grounding":{"status":"found","bbox_xyxy":[711.5,324.1,871.4,679.6],"positive_points":[[841,363],[845,433],[842,508],[730,503],[788,499],[843,649]],"negative_points":[[843,589],[893,497],[738,363],[788,570]],"evidence":"目标是右侧边界墙旁的橙色爆炸，纵向火焰与向左伸出的横臂相连。框紧贴可见火焰的整体外缘；正点分布于上下火焰、左臂及明亮交汇处，负点分别位于被排除的气球敌人、右侧墙体、外部绿地和灰色障碍块。"}}]}
+{"video_id":82,"video_type":"2D games","targets":[{"name":"Star progress indicator","description":"A compact row of three outlined stars at the top center, tracking the stars collected during the level.","membership":"Includes the three star shapes, their outlines, and enclosed interiors. Excludes the cardboard background and neighboring controls.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":0.5,"evidence":"目标是顶部中央由三颗描边星形组成的进度指示器，不含背景及两侧按钮。首个合格帧为0.00秒，末个为4.75秒，整段持续存在；个别星形短暂侧转变窄属于完整图形的旋转，并非尚未绘制完成。区间覆盖视频首尾，两端均无更外侧采样帧。选择0.50秒作为关键帧，三颗星轮廓完整清晰且无遮挡，便于标注。","start_frame":0,"end_frame":120,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[394,7,680,51],"positive_points":[[437,27],[423,40],[538,27],[553,40],[637,27],[621,40]],"negative_points":[[437,70],[637,73],[798,30],[279,31]],"evidence":"目标是画面顶部中央并排的三颗空心星形进度标记。边界框紧贴三颗星的整体可见范围；每颗星的轮廓内各放置两个正点，负点位于下方纸板背景及左右相邻控件，避开星形和内部区域。"}},{"name":"Restart button","description":"The pale circular button with a curved restart arrow near the upper-right corner.","membership":"Includes the button surface, outer boundary, and arrow symbol. Excludes surrounding background.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":0,"evidence":"目标是右上角暂停按钮左侧、带弯曲重启箭头的浅色圆形按钮。首个合格帧为0.00秒，最后一个为4.75秒，按钮表面、外边界和箭头始终完整可见，未淡出或被裁切。区间覆盖视频首尾，两端均无区间外采样帧。选择0.00秒为关键帧，因为按钮轮廓清晰、无遮挡，易于标注。","start_frame":0,"end_frame":120,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[748,6,850,55],"positive_points":[[797,13],[765,28],[806,26],[825,36],[792,47],[773,39]],"negative_points":[[921,31],[637,30],[797,77],[719,31]],"evidence":"目标位于右上角暂停按钮左侧，是带弯曲重启箭头的浅色圆形按钮。边界框紧贴按钮外缘，涵盖按钮表面及箭头；六个正点分布在按钮表面和箭头上，四个负点位于暂停按钮、星形图标及按钮外的背景。"}},{"name":"Pause button","description":"The pale rounded button containing two dark vertical bars at the upper-right corner.","membership":"Includes the complete button surface, boundary, and pause symbol. Excludes surrounding background.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":0,"evidence":"目标是右上角含两条深色竖杠的浅色圆角暂停按钮，按钮表面、边界和符号均完整可见。首个合格帧为0.00秒，最后合格帧为4.75秒，期间持续清晰存在，无淡出或裁切。区间覆盖视频首尾，边界外没有采样帧。选择0.00秒作为关键帧，按钮完整、无遮挡，便于标注。","start_frame":0,"end_frame":120,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[857.8,7.0,987.5,55.5],"positive_points":[[877,30],[902,19],[935,32],[919,48],[970,29],[953,45]],"negative_points":[[798,30],[921,78],[825,75],[986,105]],"evidence":"目标是右上角含两条深色竖杠的浅色圆角暂停按钮。边界框紧贴完整按钮的外轮廓，覆盖表面、边界及暂停符号；六个正点分布在按钮表面和竖杠上，四个负点位于左侧重置按钮及按钮外下方背景。"}},{"name":"Left rope and anchor","description":"The leftmost blue circular anchor, initially bearing a short dangling brown rope remnant that subsequently disappears.","membership":"Includes the blue anchor's boundary and enclosed face, together with its visible rope remnant. The rope region follows the strand rather than enclosing surrounding space. Excludes background and other ropes.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":0.25,"evidence":"目标是画面左上方最左侧的蓝色圆形锚点及其下垂的棕色残绳，区别于中间和右侧的长绳。首个合格帧为0.00秒，末个为4.75秒；残绳随后逐渐消失，但同一锚点始终完整可见，未退出画面。区间覆盖视频首尾，两端均无额外采样帧。选择0.25秒作为关键帧，锚点边界和残绳均清楚可辨。","start_frame":0,"end_frame":120,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[130,217,197,377],"positive_points":[[163,229],[148,239],[179,237],[161,271],[158,319],[155,359]],"negative_points":[[94,281],[227,309],[507,232],[163,414]],"evidence":"目标是画面最左侧的蓝色圆形锚点及其下方短棕色残绳。边界框覆盖锚点完整外缘、内部圆面和向下渐淡的可见绳段。正点分布在锚面与绳段上；负点位于两侧及下方背景，并包含中间的另一枚锚点，以排除其他绳索组件。"}},{"name":"Middle rope and anchor","description":"The middle blue circular anchor and its brown rope supporting the candy. This rope is cut as the candy swings toward the left.","membership":"Includes the anchor's boundary and enclosed face and the full visible strand belonging to this rope, including its severed portions while visible. Excludes the candy, other ropes, swipe indicators, and spaces between separated portions.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":0.5,"evidence":"目标是上方中间的蓝色圆形锚点及连接糖果的棕色绳索，不包括糖果和右侧绳索。首帧0.00秒已完整呈现；2.75秒绳索被切断，其可见断段仍归属目标，随后断段逐渐消失，但中间锚点持续可见至末帧4.75秒。区间覆盖视频首尾，没有边界外的采样帧。选择0.50秒，因中间绳索接近竖直、锚点清晰，与其他绳索容易区分。","start_frame":0,"end_frame":120,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[473.4,215.6,550,530.5],"positive_points":[[503,230],[528,234],[510,286],[516,369],[528,452],[542,514]],"negative_points":[[557,556],[763,437],[164,233],[605,376]],"evidence":"目标是画面中间的蓝色圆形锚点及向下连接糖果顶部的棕色绳索。边框紧贴锚点和糖果上方完整可见的绳段，不包含糖果或右侧绳索。正点分布在锚点圆面及绳索上、中、下段；负点位于糖果、右侧绳索、左侧锚点和外部背景。"}},{"name":"Right rope and anchor","description":"The rightmost blue circular anchor and long brown rope, which initially hangs in a slack curve and later supports the candy alone as it swings toward the creature.","membership":"Includes the anchor's boundary and enclosed face and its visible rope strand, following the strand through changes in curvature. Excludes the candy and creature, other ropes, and the open space inside the rope's curve.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0.5,"evidence":"目标是最右侧蓝色圆形锚点及连接糖果的长棕色绳索，不包括糖果和其他绳索。首个合格帧为0.00秒，锚点和弯曲绳索已完整呈现；最后合格帧为1.00秒。紧邻的1.25秒帧中，绳索向右摆动并被画面右边界截断，因此结束本次完整出现。起点位于视频开头，没有更早的采样帧。选择0.50秒作为关键帧，锚点及绳索轮廓完整清楚，便于区分其他绳索。","start_frame":0,"end_frame":30,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[531,216,895,608],"positive_points":[[861,232],[837,302],[789,421],[717,524],[640,584],[548,591]],"negative_points":[[557,554],[513,340],[824,788],[923,431]],"evidence":"目标是最右侧蓝色圆形锚点及其向下弯曲、连接糖果的棕色绳索。边界框覆盖锚点与绳索的完整可见弧线，不包含糖果或中间绳索。正点分布在锚点表面及绳索各段；负点位于糖果、中间绳索、绿色角色和右侧背景。"}},{"name":"Swirled candy","description":"The round red, orange, and pale-yellow spiral candy suspended from the ropes. It swings across the play area, collects stars, and is eaten by the green creature.","membership":"Includes the candy's dark outer boundary, enclosed circular body, spiral pattern, and surface highlights. Excludes attached ropes, collection sparkles, and surrounding glow.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":4.25,"reference_s":0.5,"evidence":"目标为绳索悬挂的圆形红、橙、淡黄色螺旋糖果，具有深色外缘。首个合格帧为0.00秒，糖果已完整呈现，虽有收集星星的闪光遮挡；此前无采样帧。最后合格帧为4.00秒，糖果仍完整可见，位于绿色生物嘴边；紧邻的4.25秒帧中糖果已被吃掉并消失。选择0.50秒作为关键帧，糖果轮廓与螺旋图案清晰，且无收集闪光遮挡。","start_frame":0,"end_frame":102,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[498,527,614,585],"positive_points":[[555,533],[518,544],[517,563],[555,574],[595,560],[587,545]],"negative_points":[[535,507],[672,563],[455,555],[574,504]],"evidence":"目标是画面中部偏下、悬挂于绳索上的红橙淡黄色旋纹圆糖。边界框紧贴糖果的深色外轮廓，包含圆形主体、旋纹和高光，不含绳索。六个正点分布在糖果各处；负点位于上方及右侧绳索和附近外部背景。"}},{"name":"Left-middle collectible star","description":"The yellow five-pointed star immediately beside the candy at the opening, collected at the beginning of the sequence.","membership":"Includes the star's own outline and enclosed yellow body while visible. Excludes the candy, surrounding glow, and collection sparkles.","id":"obj_008","temporal":{"status":"found","start_s":0.0,"end_s":0.25,"reference_s":0.0,"evidence":"目标是开场糖果紧邻左侧的五角星，0.00秒仍可辨认其自身轮廓和黄色主体，虽被糖果及闪光部分遮挡。首个及最后一个符合条件的采样帧均为0.00秒；下一帧0.25秒星体已消失，仅余收集火花。区间始于视频开头，无更早采样帧；选择0.00秒作为唯一可标注星体的关键帧。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[123,503,204,545],"positive_points":[[159,512],[146,522],[132,523],[137,536],[157,532],[178,534]],"negative_points":[[239,520],[177,472],[870,517],[91,560]],"evidence":"目标是糖果紧邻左侧、正在被收集的五角星。框覆盖仍可见的星形轮廓和黄色主体，不包含外部光晕；正点分布在星体及轮廓上，负点位于糖果、上方收集闪光、右侧另一颗星和外围背景。"}},{"name":"Right collectible star","description":"The glowing yellow star on the right side of the play area, above the green creature, collected during the candy's first rightward swing.","membership":"Includes the star's outline and enclosed body through its rotating appearance. Excludes surrounding glow, collection particles, ropes, and candy.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0,"evidence":"目标是游玩区右侧、绿色角色上方的黄色可收集星星，仅计其轮廓和内部。首个合格帧为0.00秒，最后合格帧为0.75秒；期间变窄是完整星星的旋转。1.00秒糖果到达该处，星星进入收集消失效果，周围亮光和粒子不计入目标。区间始于视频开头，没有更早的采样帧。选择0.00秒作为关键帧，此时星形完整清晰，且与糖果和绳索分离。","start_frame":0,"end_frame":24,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[835.9,497.7,906.3,535.9],"positive_points":[[871.9,519.5],[871.9,503.9],[846.9,514.1],[892.2,515.6],[885.9,530.5],[853.1,529.7]],"negative_points":[[928.1,519.5],[806.3,510.9],[871.9,550.8],[234.4,519.5]],"evidence":"目标是画面右侧、绿色小怪物上方的黄色五角星。边界框紧贴星形轮廓及其内部，不含外围光晕。六个正点分布于星体中心和各角，负点位于星星外侧背景及左侧糖果上。"}},{"name":"Lower-left collectible star","description":"The yellow star low on the left side of the play area, collected after the middle rope is cut.","membership":"Includes the star's outline and enclosed body through its rotating appearance. Excludes surrounding glow and collection particles.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":0.5,"evidence":"目标是游戏区域左下方的黄色可收集星星，包括旋转时变窄的轮廓与内部，不包括光晕。首个合格帧为0秒，最后为3.00秒；3.25秒糖果接触星星，原黄色星体开始被收集闪光替代，3.50秒仅剩粒子。视频起点前没有采样帧。选择0.50秒作为关键帧，此时五角星形状完整清楚、无遮挡。","start_frame":0,"end_frame":78,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[122,677,202,716],"positive_points":[[161,695],[162,685],[135,693],[143,708],[185,708],[188,694]],"negative_points":[[94,696],[234,698],[163,658],[165,735]],"evidence":"目标是游玩区域左下方的黄色收藏星星。边界框紧贴星星的白色轮廓及内部黄色主体，不包含外围光晕。六个正点分布于主体和各星角，四个负点位于星星上下左右的外部背景。"}},{"name":"Star-collection instruction","description":"The two-line Chinese instruction “尽可能多地 收集星星” displayed near the lower center beside a lightbulb illustration.","membership":"Includes only the complete Chinese text block. Excludes the adjacent lightbulb illustration, cardboard backing, and any rope or candy passing over the text.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":4.75,"reference_s":4.5,"evidence":"目标是画面下方中央、灯泡右侧的两行中文“尽可能多地／收集星星”，不含灯泡及背景。0.00秒文字已完整呈现，之前无采样帧；最后符合条件的是4.50秒，随后4.75秒文字明显开始淡出，故不纳入。选择4.50秒为关键帧，文字清晰完整，且无糖果或绳索遮挡。","start_frame":0,"end_frame":114,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[389,598,692,667],"positive_points":[[413,601],[539,615],[667,617],[433,650],[511,652],[636,662]],"negative_points":[[315,619],[736,638],[530,573],[516,693]],"evidence":"目标是画面下方中央、灯泡右侧的两行中文“尽可能多地／收集星星”。边界框紧贴完整文字块，不含灯泡及纸板。六个正点分布在两行不同汉字的笔画上；负点位于左��灯泡和文字块外的纸板背景。"}},{"name":"Om Nom","description":"The small green creature at the lower right, with large white eyes, pointed teeth, short feet, and a sprout-like tuft. It watches the candy and opens its mouth to eat it.","membership":"Includes the creature's complete silhouette and enclosed body details, including eyes, tuft, feet, teeth, and visible mouth interior as its pose changes. Excludes its cardboard platform, surrounding shadow, candy, and ropes.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":0.5,"evidence":"目标是右下角纸板平台上的绿色小怪兽，具有大白眼、尖牙、短脚和芽状头顶。首个合格帧为0.00秒，最后为4.75秒，全程完整可见；眨眼、张嘴吃糖及身体变形均属于同一角色的姿态变化。区间覆盖视频首尾，两端均无额外采样帧可检查。选择0.50秒作为关键帧，角色轮廓及眼睛、牙齿、头顶和脚清晰，未被糖果或绳索遮挡。","start_frame":0,"end_frame":120,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[726.6,721.1,926.6,837.5],"positive_points":[[834.4,730.5],[785.9,762.5],[857.8,764.1],[825,791.4],[778.1,823.4],[889.1,819.5]],"negative_points":[[857.8,843.8],[556.3,555.5],[842.2,303.1],[960.9,757.8]],"evidence":"目标是右下角长有嫩芽状头饰、大白眼和尖牙的绿色小怪物。框覆盖其头饰、眼睛、身体、牙齿及双脚的完整轮廓，不含纸板平台和阴影。正点分布在头饰、双眼、身体及脚部；负点位于平台、糖果、绳索和右侧背景。"}},{"name":"Level label","description":"The lower-left level identifier, with “关卡” above “1 - 2”, fading out early in the sequence.","membership":"Includes both the label and its level value as one text unit. Excludes the cardboard background.","id":"obj_013","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是左下角由“关卡”和下方“1 - 2”组成的完整文字单元。首个及最后一个合格帧均为0.00秒，文字清晰且已完整呈现；紧邻的0.25秒帧中文字已变灰、开始淡出，故不纳入。区间从视频起点开始，无更早采样帧。选择0.00秒作为关键帧，因为两行文字完整清楚、无遮挡。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[14,927,228,994],"positive_points":[[31,936],[41,948],[96,939],[26,975],[110,979],[206,984]],"negative_points":[[62,905],[280,925],[286,963],[352,984]],"evidence":"目标位于左下角，由上行“关卡”和下行“1 - 2”组成。边界框紧密覆盖两行完整文字；六个正点分布在汉字、数字和连字符的笔画上，四个负点位于文字上方及右侧的纸板背景。"}}]}
+{"video_id":83,"video_type":"2D games","targets":[{"name":"Performance statistics","description":"The upper-left text block showing progress, accuracy, X-accuracy, perfect combo, and score. Its values update as the level advances.","membership":"Include the five lines of statistics, with each label and value. Exclude the overlapping uploader watermark and all gameplay graphics behind the text.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":18,"evidence":"目标为左上角包含进度、精准度、X-精准度、完美连击和分数的五行统计文字，不包含重叠的上传者水印。首个合格帧为0.00秒，最后为19.75秒；整个采样序列中文字块结构持续完整，仅数值更新，部分时刻受背景亮光影响。区间覆盖视频起止，边界外均无采样帧。选择18.00秒作为关键帧，五行文字在较暗背景上清晰，便于排除水印及游戏图形。","start_frame":0,"end_frame":480,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[5.5,19.4,157,245.8],"positive_points":[[12.5,30.6],[85.9,32],[11.7,83.3],[103.9,131.9],[78.1,184.7],[71.9,231.9]],"negative_points":[[165.6,66.7],[195.3,180.6],[78.1,297.2],[500.8,495.8]],"evidence":"目标为左上角依次显示进度、精准度、X-精准度、完美连击和分数的五行统计文字。边界框覆盖各行标签及数值；六个正点分布在五行文字的可见笔画上，负点位于叠加的上传者水印、框外背景及游戏图形上。"}},{"name":"Level title","description":"The large top-center heading “1-X 冰与火之舞”, present throughout the sequence.","membership":"Include only the title lettering and its punctuation. Exclude the background and nearby interface elements.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":0,"evidence":"目标为画面顶部中央的大标题“1-X 冰与火之舞”，仅包括文字及标点。首个合格帧为0.00秒，最后一个为19.75秒，期间标题始终完整呈现，无入场揭示或退场消失。区间覆盖视频首尾，边界外没有采样帧。选择0.00秒作为关键帧，标题清晰完整，与紫色背景对比明显，且无遮挡。","start_frame":0,"end_frame":480,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[376.6,51.4,623.4,108.3],"positive_points":[[383.6,80.6],[460.2,77.8],[496.9,62.5],[531.3,86.1],[570.3,81.9],[608.6,76.4]],"negative_points":[[498.4,26.4],[502.3,138.9],[350.0,79.2],[646.9,81.9]],"evidence":"图像顶部中央可见大标题“1-X 冰与火之舞”。边界框紧贴整段标题文字及连字符；六个正点分布在数字和各汉字笔画上，四个负点位于标题上、下、左、右的紫色背景，避开其他界面文字。"}},{"name":"Tempo and input-rate statistics","description":"The upper-right text block labeled “基础 BPM”, “真实 BPM”, and “每秒按键”, with changing numerical values.","membership":"Include all three text lines and their associated values. Exclude the scene behind them.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":0,"evidence":"目标是右上角由“基础 BPM”“真实 BPM”“每秒按键”及各自数值组成的三行文字。首个合格帧为0.00秒，末个为19.75秒；整个采样序列中三行均完整可见，数值变化不影响其连续性。区间覆盖视频首尾，两端均无界外采样帧。选择0.00秒为关键帧，文字清晰、无遮挡，与背景易于区分。","start_frame":0,"end_frame":480,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[813,17,986,162],"positive_points":[[823,33],[941,32],[823,89],[966,89],[878,146],[979,145]],"negative_points":[[785,68],[898,202],[992,236],[758,142]],"evidence":"目标为右上角“基础 BPM”“真实 BPM”“每秒按键”三行统计文字。边界框紧密覆盖三行标签及其数值；六个正点分布在各行标签和数值的字形上，四个负点位于文字块左侧及下方的紫色场景背景。"}},{"name":"Tiled level path","description":"The continuous route of white, gray-veined square tiles, forming horizontal runs and stair-step bends. Traversed portions become brightly illuminated as the camera follows the players.","membership":"Include the visible tile surfaces, their outlines and seams, and symbols displayed on the tiles, including separately listed child symbols. Follow the actual stepped outline and exclude the empty areas around its bends. Exclude bloom beyond the tile edges, the player orbs, and background decorations.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":13.5,"evidence":"目标是由白色、灰色纹理方砖连续组成的路线，具有水平段和阶梯转弯，走过的部分发亮。首个合格帧为0秒，最后为19.75秒；期间镜头跟随玩家移动，但同一路径持续存在，画面边缘的截取属于长路线的视窗展示，并非入场或退出。区间覆盖视频全程，两端均无额外相邻帧。选择13.5秒作为关键帧，因为阶梯轮廓、未发光砖面的接缝及蓝色砖面符号较清晰，便于排除玩家球体、光晕与背景装饰。","start_frame":0,"end_frame":480,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[0,456,1000,755],"positive_points":[[30,709],[121,496],[336,498],[655,604],[784,713],[953,608]],"negative_points":[[600,499],[565,410],[804,604],[368,625]],"evidence":"目标是横贯画面、带阶梯转折的白色灰纹方砖路线，包含发亮砖面、接缝及右侧砖上的蓝色符号。边界框覆盖所有可见砖块，不计砖边外光晕。正点分布于左侧阶梯、上方横段、右侧转折和符号砖；负点位于两个玩家光球、转折外的空白及路线下方背景。"}},{"name":"Fire orb","description":"The yellow-orange circular player object with a red-orange center, initially resting on the horizontal path near the center-right. It alternates between pivoting and orbiting as the pair advances.","membership":"Include the colored circular body through its changes in position and size. Exclude its trailing red arc, surrounding glow, dashed orbit guide, and underlying tiles.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":15,"evidence":"目标是与蓝色冰球交替绕转的黄橙色圆形火球，中心呈红橙色；不包含红色拖尾、光晕、虚线轨道和瓷砖。首帧0.00秒已完整可见，至末帧19.75秒仍完整存在，期间位置、大小及亮部变化不影响其连续身份。区间达到视频首尾，两端均无区间外采样帧。选择15.00秒作为关键帧，火球圆形本体较大且清晰，与蓝球分离，便于标注。","start_frame":0,"end_frame":480,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[608.6,498.6,675.8,618.1],"positive_points":[[642.2,552.8],[642.2,522.2],[618.8,547.2],[629.7,590.3],[662.5,555.6],[652.3,600.0]],"negative_points":[[636.7,437.5],[546.9,506.9],[632.8,694.4],[703.1,548.6]],"evidence":"目标是画面中央偏右、蓝色球右侧的黄橙色火球。边界框紧贴其圆形彩色本体，不包含上方红色拖尾、外围光晕、虚线轨道及底层砖块。六个正点分布在球体中心和四周内部；负点分别位于红色拖尾、蓝球、下方砖块和右侧背��。"}},{"name":"Ice orb","description":"The cyan-blue circular player object, initially above the fire orb. It travels with the fire orb and alternates between orbiting and acting as the pivot.","membership":"Include the colored circular body through movement, scaling, and shading changes. Exclude its blue motion trail, surrounding glow, dashed orbit guide, and underlying tiles.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":3.5,"evidence":"目标是与橙色火球配对运动、交替绕转和充当支点的青蓝色圆形冰球，仅计圆形本体，不含拖尾、光晕和虚线轨道。首个合格帧为0.00秒，末个为19.75秒，全程本体已完整建立且未见退出。区间到达视频首尾，边界外均无采样帧。选择3.50秒作为关键帧，此时冰球较大，圆形轮廓清楚，与火球分离，便于标注。","start_frame":0,"end_frame":480,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[555.5,444.4,632.8,581.9],"positive_points":[[593,513],[572,485],[608,486],[574,540],[610,543],[593,563]],"negative_points":[[577,420],[543,337],[594,664],[805,419]],"evidence":"目标是画面中央偏右、黄色火球右下方的青蓝色圆形冰球。框紧贴其彩色圆形本体，不含外围辉光、上方蓝色拖尾、虚线轨道及底下方砖。六个正点分布在球体中心和周边内部；负点分别位于蓝色拖尾、黄色火球、下方砖块及右侧背景。"}},{"name":"Keyboard input visualizer","description":"The bottom-left display of outlined letter and punctuation keys with counters, plus a wide spacebar-shaped key beneath them. Keys illuminate when pressed.","membership":"Include the individual key surfaces, outlines, labels, counters, and changing pressed states, including the lower spacebar display. Exclude the background between and around the keys.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":1,"evidence":"目标是左下角带字母、标点和计数的描边按键组，以及下方宽空格键显示。首帧0.00秒已完整呈现，末帧19.75秒仍完整可见，期间仅按键亮起状态和计数变化，属于同一连续出现。区间覆盖视频首尾，两端均无界外采样帧。选择1.00秒作为关键帧，按键轮廓、标签、计数和空格键清楚，且可见K键按下的亮起状态。","start_frame":0,"end_frame":480,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[12.5,845.8,303.1,987.5],"positive_points":[[25,880.6],[78.1,881.9],[157,875],[210.2,876.4],[290.6,881.9],[144.5,962.5]],"negative_points":[[335.9,881.9],[328.1,958.3],[31.3,791.7],[210.9,798.6]],"evidence":"目标是左下角带字母、标点和计数器的一排键位及下方宽空格键。边界框紧贴整组键位的最外缘；正点分布在多个键面（包括亮起的K键）及下方空格键，负点位于键组上方和右侧的外部背景，不标注键间空隙。"}},{"name":"Timing accuracy meter","description":"The compact bottom-center panel with a horizontal red-yellow-green timing scale, a central reference mark, green hit markers, and a white pointer below.","membership":"Include the panel backing, colored scale, reference marks, hit markers, and pointer. Exclude the surrounding gameplay scene.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":0,"evidence":"目标是画面底部中央的深色小面板，包含红黄绿横向刻度、中央基准线、绿色命中标记及下方白色指针。首帧0.00秒已完整建立，至最后采样帧19.75秒仍持续完整可见，内部标记变化不影响面板身份。区间覆盖视频首尾，两侧均无额外采样帧。选择0.00秒作为关键帧，面板清晰、无遮挡，各组成部分易于区分。","start_frame":0,"end_frame":480,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[402.3,897.2,597.7,969.4],"positive_points":[[418.8,905.6],[483.6,909.7],[425.8,932.0],[550.0,932.0],[496.9,954.2],[585.9,955.6]],"negative_points":[[379.7,930.6],[614.8,926.4],[504.7,870.8],[500.0,987.5]],"evidence":"目标位于画面底部中央，是带红黄绿横向刻度的计时准确度面板。框覆盖深色背板、彩色刻度、中央基准线、绿色命中标记及下方白色指针；正点分布在这些组件和背板上，负点位于面板四周的游戏背景中。"}},{"name":"Snail tempo-change symbol","description":"The blue, black-outlined snail symbol on an upcoming tile, first visible at the far right. It moves toward the players as they approach the final section.","membership":"Include the complete snail silhouette, its outline, and interior fill. Exclude the tile on which it appears, the player orbs, and lighting effects.","id":"obj_009","temporal":{"status":"found","start_s":13.5,"end_s":17.0,"reference_s":16.0,"evidence":"目标是前方瓷砖上的蓝色黑边蜗牛图标，随路线向玩家靠近。13.25秒时图标在画面最右侧仍被边界裁切，13.5秒首次完整显示；最后符合条件的帧为16.75秒，17.0秒图标已消失。选择16.0秒作为关键帧，蜗牛轮廓和蓝色填充清晰完整，与玩家光球分离，便于标注。","start_frame":324,"end_frame":408,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[722.7,329.2,810.9,416.7],"positive_points":[[751.6,362.5],[742.2,394.4],[767.2,397.2],[794.5,391.7],[801.6,365.3],[784.4,347.2]],"negative_points":[[680.5,370.8],[847.7,388.9],[589.1,345.8],[781.3,513.9]],"evidence":"目标是画面右上方前行路径砖块上的蓝色黑边蜗牛。边界框紧贴完整蜗牛轮廓，包含内部蓝色填充；正点分布在壳、底部身体及右侧触角区域，负点位于两侧砖块、青色玩家球和下方深色背景，排除砖块、玩家球及光效。"}},{"name":"Endpoint marker","description":"The white circular marker with a purple rim on the final tile of the short horizontal path, revealed near the end of the sequence.","membership":"Include the purple circular boundary and the entire white area it encloses. Exclude the supporting tile and glow outside the marker.","id":"obj_010","temporal":{"status":"found","start_s":17.0,"end_s":20.0,"reference_s":18.5,"evidence":"目标是短水平路径末端 tile 上的白色圆形标记及其紫色圆边，不含支撑方块和外围光晕。17.00 秒首次完整可见，前一帧 16.75 秒尚未显示该终点标记；此后连续存在，最后合格帧为 19.75 秒。区间延续至视频结束，之后无采样帧。选择 18.50 秒作为关键帧，圆形轮廓清晰、无遮挡，易于区分标记与支撑方块。","start_frame":408,"end_frame":480,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[815.6,461.1,860.2,538.9],"positive_points":[[837.5,500],[829,487.5],[848,502.8],[836,520],[818.8,500],[837.5,466.7]],"negative_points":[[789.1,500],[881.3,500],[835.9,427.8],[835.9,572.2]],"evidence":"目标位于短水平路径最右端的瓷砖上，是紫色圆边包围白色内部的终点标记。框仅覆盖圆形边界及其白色内部，不含外围光晕和承托瓷砖。正点分布在白色内部及紫色边缘，负点位于左侧瓷砖及标记上、下、右侧的外部背景。"}}]}
+{"video_id":84,"video_type":"2D games","targets":[{"name":"Wood-and-glass target tower","description":"The initially centered, two-tier wooden construction on two adjoining cross-braced platforms. Its narrow upper enclosure holds a green pig, and its wider lower tier surrounds two blue glass uprights between wooden crosspieces.","membership":"Includes the platforms, wooden beams and blocks, glass pieces, and areas enclosed by the connected frames, including the pig within the upper enclosure. Excludes surrounding scenery and game interface overlays.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":3,"reference_s":0.75,"evidence":"目标是双联交叉支撑平台上的两层木玻璃塔，上层围住绿猪，下层含两根蓝色玻璃立柱。首个合格帧为0.00秒，塔已完整呈现；最后合格帧为2.75秒。3.00秒画面中塔的右侧及平台开始被画面右边界裁切，因此结束本次连续出现。起点位于视频开头，无前一帧。选择0.75秒为关键帧，整座塔居中、结构清晰且无遮挡。","start_frame":0,"end_frame":72,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[329.1,108.1,631.8,954.4],"positive_points":[[487,146],[484,438],[458,738],[542,657],[345,918],[614,914]],"negative_points":[[381,427],[584,355],[688,759],[281,921]],"evidence":"目标为画面中央的双层木玻璃塔，上层框内有绿猪，下层有两根蓝色玻璃柱。边界框覆盖顶部短木块、两层框架及底部相连的交叉支撑平台。正点分布在顶部木块、绿猪、玻璃柱、侧梁和两侧平台支柱；负点位于塔外的天空与草地背景，避开框架包围区域。"}},{"name":"Green pig inside the tower","description":"A round green pig with two small ears, white eyes, and a light-green snout, initially resting above a small wooden block inside the tower's upper enclosure.","membership":"Includes the pig's complete outlined body and facial features. Excludes its wooden pedestal and surrounding beams.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":0,"evidence":"目标是塔楼上层围栏内、木质小底座上方的圆形绿猪，具有双耳、白眼和浅绿色鼻口。首个合格帧为0.00秒，最后合格帧为3.00秒；3.25秒时绿猪随画面平移在右边界被裁切，因此结束本次连续出现。视频起点之前没有采样帧。选择0.00秒作为关键帧，猪的完整轮廓和面部清晰，无遮挡，易与周围木梁区分。","start_frame":0,"end_frame":78,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[463.9,390.9,505.4,476.7],"positive_points":[[473.6,402.5],[486.8,399.4],[470.2,440.7],[498.5,439.6],[484.4,442.8],[483.9,466.1]],"negative_points":[[483.4,495.8],[451.2,420.6],[516.6,439.6],[542.0,413.1]],"evidence":"目标是塔上层围框内、短木块上方的绿色小猪。边界框紧贴双耳、圆形身体及完整黑色轮廓；六个正��覆盖耳朵、双眼、浅绿鼻部和身体下部。负点位于木制底座、左右支撑梁及塔外背景，均不属于小猪。"}},{"name":"Gameplay score display","description":"The upper-right text block headed “SCORE,” with a numeric total that increases during destruction and the remaining-bird bonuses.","membership":"Includes the heading and its changing numeric value as one text unit. Excludes the watermark, background, and floating bonus numbers elsewhere.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":18.25,"reference_s":17.75,"evidence":"目标是画面右上角由“SCORE”标题及下方累计数值组成的计分文字块，不含水印和飘浮奖励数字。首个合格帧为0.00秒，文字已完整显示；该处是视频起点，没有更早帧。最后合格帧为18.00秒，18.25秒出现通关结算面板，原右上角计分块消失。选择17.75秒为关键帧，标题及数值32010结构清晰，便于区分水印。","start_frame":0,"end_frame":438,"reference_frame":426},"grounding":{"status":"found","bbox_xyxy":[845.7,5.3,890.6,76.3],"positive_points":[[851.1,9.5],[869.1,12.7],[886.7,13.8],[849.6,46.6],[866.7,45.6],[883.8,46.6]],"negative_points":[[805.7,65.7],[910.2,68.9],[864.3,116.5],[827.6,24.4]],"evidence":"目标位于画面右上角，由“SCORE”标题和下方“32010”组成。边界框紧贴这两行计分文字；六个正点分布在标题及数字的笔画上，四个负点位于旁侧水印和文字块外的背景，排除了水印及其他数字。"}},{"name":"Left waiting red bird","description":"The left of the two red birds first revealed near ground level as the view pans toward the launcher. It has a cream belly, yellow beak, black eyebrows, and a red crest.","membership":"Includes this bird's complete body, crest, beak, and tail through its idle movements. Excludes the neighboring bird, grass, and effects.","id":"obj_004","temporal":{"status":"found","start_s":3.25,"end_s":7.0,"reference_s":4.5,"evidence":"目标是地面上两只待发红鸟中左侧的一只，具有红色冠羽、奶油色腹部、黄喙和黑眉。3.00秒时它仍被画面左边界裁切，3.25秒首次完整出现；随视角移动至6.75秒仍完整可见，7.00秒已移出画面，左缘残留的是邻鸟。选择4.50秒作为关键帧，此时目标身体清晰完整，与右侧邻鸟及弹弓中的鸟易于区分。","start_frame":78,"end_frame":168,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[512.7,823.1,559.6,923.7],"positive_points":[[535.2,833.7],[527.8,867.6],[543.5,859.1],[533.7,903.6],[550.8,896.2],[516.6,871.8]],"negative_points":[[604,874],[298,551],[570,901],[534,787]],"evidence":"目标是地面上两只红鸟中左侧的一只，位于弹弓右下方。边界框覆盖其完整身体、红冠、黄色鸟喙及左侧黑尾；正点分布于这些部位和奶油色腹部，负点位于右侧邻鸟、弹弓中的鸟、外侧草地及上方背景。"}},{"name":"Right waiting red bird","description":"The right of the two ground-level red birds revealed during the initial pan toward the launcher, visibly separated from the left waiting bird.","membership":"Includes this bird's complete body, crest, beak, and tail through its idle movements. Excludes the neighboring bird, grass, and effects.","id":"obj_005","temporal":{"status":"found","start_s":3.0,"end_s":7.0,"reference_s":4.75,"evidence":"目标是初次向发射器平移时出现的两只地面红鸟中靠右的一只，与左侧候场鸟分离。首个合格帧为3.00秒，虽在翻转跳动，身体、冠羽、喙和尾巴已完整入镜；此前2.75秒尚未出现。最后合格帧为6.75秒，7.00秒因镜头平移，该鸟已被画面左边界裁切。选择4.75秒作为关键帧，此时目标完整清晰，与邻鸟及弹弓中的鸟易于区分。","start_frame":72,"end_frame":168,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[602.5,820.9,650.9,920.6],"positive_points":[[627.4,832.6],[621.1,862.3],[641.1,880.3],[638.7,895.1],[625.5,905.7],[606.4,873.9]],"negative_points":[[565.0,866.5],[664.1,900.4],[634.8,786.0],[629.9,957.6]],"evidence":"目标是地面上两只等待红鸟中右侧的一只，与左鸟明显分开。框覆盖其可见身体、头冠、喙和左侧尾羽；正点分布在这些部位及眼部、腹部，负点位于左侧邻鸟、右侧草丛、上方背景和下方地面。"}},{"name":"Slingshot during the launch","description":"The tall wooden Y-shaped launcher revealed at the left of the playfield, with dark brown elastic bands that stretch leftward while a red bird is aimed.","membership":"Includes the wooden fork and stem, elastic bands, and pouch. The open space between the fork's arms is excluded, as is the separately identified bird.","id":"obj_006","temporal":{"status":"found","start_s":4.0,"end_s":6.75,"reference_s":5.75,"evidence":"目标是左侧木质Y形弹弓，包括叉臂、长柄、深棕色皮筋和皮兜，不包括红鸟。4.00秒首次完整入画，6.50秒为最后完整可见帧；此前3.75秒弹弓仍被左边界裁切���此后6.75秒已随镜头移动离开画面。选择5.75秒，弹弓结构清楚且皮筋向左拉伸，便于区分弹弓与红鸟。","start_frame":96,"end_frame":162,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[201.2,474.6,367.7,924.8],"positive_points":[[338,864],[336,718],[312,501],[358,530],[266,592],[208,629]],"negative_points":[[228,580],[648,871],[180,752],[407,599]],"evidence":"目标是画面左侧拉伸中的木制Y形弹弓。框覆盖木叉、长柄、向左拉开的深棕色皮筋及皮兜，不包括红鸟。正点分布于木叉两臂、叉根、柄、皮筋和皮兜；负点位于被拉住的红鸟、右侧另一只红鸟及外围背景，避开叉臂间的空隙。"}},{"name":"Launched red bird","description":"The red bird initially seated between the slingshot's arms. It is pulled backward, released toward the tower, and later rests on the damaged platform before disappearing.","membership":"Includes the bird's complete outlined body, crest, beak, and tail throughout aiming, flight, impact, and rest. Excludes the slingshot, dotted flight trail, impact clouds, and detached feather effects.","id":"obj_007","temporal":{"status":"found","start_s":3.75,"end_s":13.0,"reference_s":7.0,"evidence":"通过弹弓中就位、被向后拉伸、发射、撞塔并停在残破平台上的连续运动，确认是同一只红鸟。首个合格帧为3.75秒，鸟体已完整进入画面（弹弓本身仍有裁切）；此前3.5秒该鸟尚未入镜。最后合格帧为12.75秒，13.0秒鸟体消失并变为烟云和散落羽毛。选择7.0秒作为关键帧，此时红鸟在空中，轮廓清晰且无遮挡，易与轨迹和其他鸟区分。","start_frame":90,"end_frame":312,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[255.9,456.6,298.3,536.0],"positive_points":[[258.8,498.0],[275.9,463.0],[268.6,495.8],[288.1,487.3],[287.6,515.9],[276.4,524.4]],"negative_points":[[243.2,504.2],[317.4,487.3],[278.3,582.6],[40.0,885.6]],"evidence":"目标是画面中左侧正在飞向木塔、后方带白色虚线轨迹的红鸟。边界框紧贴其完整轮廓，涵盖身体、头冠、喙和尾巴；正点分布在这些部位，负点位于飞行轨迹、周围天空及左下角另一只红鸟上。"}},{"name":"Target tower on return to the impact area","description":"The wood-and-glass tower shown again as the launched bird approaches. Its wooden supports tilt and collapse, leaving glass bars and wooden pieces above the cross-braced base.","membership":"Includes the tower's platforms, wooden and glass components, and enclosed areas while its frames remain connected. After collapse, includes the surviving and detached structural pieces themselves, not the empty gaps between scattered pieces. Includes the pig while contained within the intact upper enclosure; excludes the attacking bird, score overlays, and impact effects.","id":"obj_008","temporal":{"status":"found","start_s":7.0,"end_s":13.75,"reference_s":7.0,"evidence":"目标是镜头返回撞击区域后出现的木质与玻璃塔，含完整上层围框内的猪，并持续追踪倒塌后的结构碎片。7.00秒首次完整入画；此前6.75秒塔仍被右边界裁切。13.50秒是最后合格帧，残余底座及散落构件仍完整可见；13.75秒镜头转回弹弓，塔已移出画面，仅右缘残片被裁切。选择7.00秒为关键帧，因为塔结构完整清晰，且尚未被撞击效果遮挡。","start_frame":168,"end_frame":330,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[542,87,843,929],"positive_points":[[699,124],[663,315],[696,416],[718,716],[631,679],[769,845]],"negative_points":[[278,498],[519,404],[863,682],[763,965]],"evidence":"目标是画面右侧、飞来的红鸟前方的木玻璃塔，目前框架仍完整。框覆盖顶部木块、上下层框架、玻璃条、围在上层内的猪及底部交叉支撑平台。正点分布于顶部木块、木柱、猪、玻璃和底座；负点位于攻击红鸟、塔外天空及下方地面，排除这些非目标区域。"}},{"name":"Green pig during the collapse","description":"The green pig shown again in the upper wooden enclosure as the bird approaches. It tilts with the failing structure and disappears during the collapse.","membership":"Includes the complete pig silhouette and facial features through rotation. Excludes surrounding blocks, the green points award, and disappearance effects.","id":"obj_009","temporal":{"status":"found","start_s":7.0,"end_s":8.25,"reference_s":7.25,"evidence":"目标是上层木框内的绿色猪，随结构倾斜、旋转并在坍塌中消失。首个合格帧为7.00秒；此前6.75秒猪仍被画面右边界裁切。最后合格帧为8.00秒，猪的完整轮廓和面部仍可见；8.25秒已被消失烟雾及得分效果替代。选择7.25秒作为关键帧，此时猪完整清晰，未被木块遮挡，便于标注。","start_frame":168,"end_frame":198,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[569.3,378.2,610.8,465.0],"positive_points":[[578.1,390.9],[593.3,387.7],[587.9,402.5],[576.7,429.0],[590.3,434.3],[599.1,448.1]],"negative_points":[[556.2,413.1],[623.5,423.7],[589.4,485.2],[360.8,551.9]],"evidence":"目标是画面右侧上层木框内、飞来的红鸟前方的绿色猪。边界框紧贴其双耳、圆形身体和面部的完整可见轮廓；正点分布在耳朵、额头、眼睛、鼻部及下侧身体，负点位于两侧木柱、下方木块和左侧红鸟，排除周围物体。"}},{"name":"Slingshot after the successful shot","description":"The wooden Y-shaped launcher presented again when the view returns from the destroyed tower, now holding another red bird. It remains visible behind the level-clear overlay.","membership":"Includes the wooden stem and fork, elastic bands, and pouch. Excludes the open gap between the arms and the bird held in the pouch.","id":"obj_010","temporal":{"status":"found","start_s":14.0,"end_s":25.0,"reference_s":14.5,"evidence":"目标是摧毁塔楼后镜头返回时再次出现、装着另一只红鸟的木制Y形弹弓，包括木杆、叉臂和皮筋，不包括红鸟。13.75秒时弹弓仍被画面左边界裁切，14.00秒首次完整出现；此后持续可见，并保留在通关遮罩后方。最后合格帧为24.75秒，区间延续至视频结束25.00秒，没有后续帧。选择14.50秒作为关键帧，因为弹弓完整清晰，尚未被通关面板遮挡。","start_frame":336,"end_frame":600,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[288.6,475.6,355.5,924.8],"positive_points":[[300,501],[301,551],[319,600],[344,635],[309,656],[328,868]],"negative_points":[[329,538],[254,863],[380,668],[571,841]],"evidence":"目标是画面左侧装着红鸟的木制Y形弹弓。框紧贴木柄、双叉、皮筋和托兜的可见范围；六个正点分布于叉顶、皮筋、托兜、两侧木臂及下方木柄。负点位于托兜内被排除的红鸟、右侧另一只红鸟及外部草地和背景，未标记双臂间的空隙。"}},{"name":"Remaining bird in the slingshot","description":"The red bird seated in the launcher when the view returns after the tower's destruction. A remaining-bird bonus appears over it before the results panel opens.","membership":"Includes the bird's body and visible crest, face, beak, and tail, including portions partly obscured by the launcher or results panel. Excludes the bands and bonus text.","id":"obj_011","temporal":{"status":"found","start_s":13.75,"end_s":25.0,"reference_s":14.75,"evidence":"目标是塔倒塌后镜头返回时坐在弹弓中的剩余红鸟，随后其上方出现10000奖励文字。首个合格帧为13.75秒，鸟体已完整进入画面，仅被弹弓局部遮挡；前一帧13.50秒仍显示废墟，目标不可见。末个合格帧24.75秒中，该鸟仍在结果面板左侧的弹弓内可见，因此延续至视频结束25.0秒，无后续帧。选择14.75秒作为关键帧，此时鸟的轮廓和面部清晰，尚无奖励文字或结果面板遮挡。","start_frame":330,"end_frame":600,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[320,497,351,593],"positive_points":[[328.6,509.5],[331.1,530.7],[345.2,535],[337.4,555.1],[340.8,572],[330.6,582.6]],"negative_points":[[307.6,504.2],[357.9,562.5],[374,577.3],[577.6,836.9]],"evidence":"目标是画面左中部坐在弹弓叉口中的红鸟，而非右下方的另一只红鸟。框覆盖其可见冠羽、身体、脸、喙和浅色腹部，不包含弹弓及皮筋。正点分布于冠羽、红色身体、眼部、喙和腹部；负点位于弹弓木架、皮筋、外部背景及另一只鸟上。"}},{"name":"Remaining ground-level bird","description":"The single red bird to the right of the slingshot after the successful shot. It bounces and rotates near the grass, receives a remaining-bird bonus, and stays visible behind the results overlay.","membership":"Includes the bird's complete outlined body, crest, beak, and tail through its movements. Excludes the grass, bonus numbers, and results panel.","id":"obj_012","temporal":{"status":"found","start_s":13.75,"end_s":25.0,"reference_s":17.25,"evidence":"目标是成功射击后弹弓右侧唯一留在草地附近的红鸟，随后跳跃、旋转并获得剩余鸟奖励，结果面板出现后仍可见。此次连续出现的首帧为13.75秒，鸟的完整轮廓已在画内；前一帧13.50秒仍显示倒塌建筑，目标不在画面中。最后合格帧为24.75秒，目标仍在结果面板右侧，视频结束后无相邻帧。选择17.25秒作关键帧，鸟形清楚，且没有奖励数字或面板遮挡。","start_frame":330,"end_frame":600,"reference_frame":414},"grounding":{"status":"found","bbox_xyxy":[555.7,805.1,604,903.6],"positive_points":[[575.7,816.7],[588,839],[571.3,853.8],[580.1,887.7],[593.3,878.2],[560.1,858.1]],"negative_points":[[609.9,905.7],[546.9,790.3],[338.9,540.3],[634.8,929.0]],"evidence":"目标是弹弓右侧、草地上方唯一的红鸟。边界框紧贴其完整外轮廓，覆盖身体、头冠、鸟喙和左侧尾羽。六个正点分布于这些部位；负点位于周围背景、草地及弹弓上的另一只鸟，排除非目标��容。"}},{"name":"Level-clear results panel","description":"The tall black central panel headed “LEVEL CLEARED!” It reveals three gold stars, a final score of “32010,” “New Highscore!”, and three yellow circular controls for the level list, retry, and advancing.","membership":"Includes the panel's black surface, boundary, heading, star slots and awarded stars, score, high-score message, and bottom controls. Excludes the dimmed gameplay outside the panel and celebratory particles extending beyond it.","id":"obj_013","temporal":{"status":"found","start_s":18.25,"end_s":25.0,"reference_s":22.0,"evidence":"目标是中央标题为“LEVEL CLEARED!”的黑色竖向结算面板。18.25秒面板表面、边界和底部三个黄色按钮已完整出现，后续星星及分数更新不影响面板成立；前一帧18.00秒仍只有游戏画面。最后合格帧为24.75秒，面板持续至视频结束25.00秒，之后无采样帧。选择22.00秒作为关键帧，三颗金星、32010分及“New Highscore!”均清晰可见，粒子遮挡较少。","start_frame":438,"end_frame":600,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[374.0,0,548.8,1000],"positive_points":[[453,179],[461,385],[464,580],[407,800],[516,800],[469,946]],"negative_points":[[335,410],[600,220],[584,746],[310,820]],"evidence":"目标是中央贯穿图像高度的黑色结算面板，以“LEVEL CLEARED!”、三颗金星及分数32010识别。框覆盖面板黑色表面、标题、星星、分数和底部三个按钮，不包含面板外的庆祝粒子。正点分布在标题、金星、分数、按钮及下方黑色表面；负点位于两侧变暗的游戏背景和右侧小鸟上。"}},{"name":"Celebratory red-bird badge","description":"A smiling red-bird graphic with closed eyes and a white outline, appearing beside the results panel before shrinking to a small badge near “New Highscore!”.","membership":"Includes the complete outlined bird graphic and its facial features throughout scaling. Excludes surrounding sparkles, feather effects, and the adjacent results text.","id":"obj_014","temporal":{"status":"found","start_s":20.75,"end_s":25.0,"reference_s":20.75,"evidence":"目标是结果面板右侧闭眼微笑、带白色轮廓的红鸟图案。20.75秒首次完整出现，随后缩小为“New Highscore!”旁的小徽章，持续至最后采样帧24.75秒。前一帧20.50秒尚无该图案；区间到达视频结尾，没有后续帧。选择20.75秒作为关键帧，因为图案较大、轮廓及面部清晰完整，便于标注。","start_frame":498,"end_frame":600,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[647.5,327.3,773,585.8],"positive_points":[[703,357],[668,454],[677,510],[709,551],[735,458],[761,475]],"negative_points":[[783,330],[628,527],[583,742],[550,649]],"evidence":"目标是结果面板右侧闭眼微笑、带白色轮廓的大红鸟。框紧贴完整鸟形，涵盖头冠、身体、面部和右侧尾羽，不含下方阴影。正点分布于头冠、眼部、鸟喙、腹部、红色身体及尾部；负点位于外围星光、背景、下方另一只鸟和面板旁的羽毛特效。"}}]}
+{"video_id":85,"video_type":"2D games","targets":[{"name":"Los Angeles city card","description":"The yellow-topped city-selection card to the left of Beijing, labeled “洛杉矶,” with a circular map preview and best score of 8109.","membership":"Includes the complete rounded card, colored header, map preview, circular selectors, and all text. Excludes its cast shadow and neighboring cards.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0.5,"evidence":"目标是北京卡片左侧的黄色顶栏城市卡，标有“洛杉矶”和最佳分数8109，包含圆形地图、选择圆点及完整文字。首个合格帧为0秒，最后合格帧为0.75秒，此时卡片虽移动缩放但仍完整；紧邻的1秒帧中目标已离开画面。区间始于视频开头，无更早采样帧。选择0.5秒作为关键帧，卡片完整清晰、无遮挡，易与相邻卡片区分。","start_frame":0,"end_frame":24,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[161.7,156.9,311.7,722.2],"positive_points":[[288,185],[220,260],[201,403],[235,462],[263,613],[182,682]],"negative_points":[[143,440],[315,694],[450,310],[735,470]],"evidence":"目标是北京左侧、标有“洛杉矶”和最佳分数8109的黄色顶部城市卡。边界框覆盖完整圆角卡片，包括地图、圆形选择器及全部文字，不含右下方投影。正点分布在卡片顶部、地图、选择器、标题和下部区域；负点位于左侧背景、右侧投影及北京和东京卡片上。"}},{"name":"Beijing city card","description":"The selected teal-topped card labeled “北京,” showing a circular map preview, best score of 8082, and “经典” mode. It enlarges and moves during the transition into gameplay.","membership":"Includes the complete rounded card, map illustration, colored header, circular selectors, and text. Excludes the attached side controls, separate play button, and cast shadow.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":1.5,"evidence":"目标为青绿色顶部、圆形地图预览及“北京”“8082”“经典”文字的完整圆角卡片，不含侧边控件、游玩按钮和阴影。首个合格帧为0.00秒，视频起点之前无采样帧；卡片在放大及移动过程中保持完整，最后合格帧为2.00秒。紧邻的2.25秒帧中卡片已移至左侧画面外并被边界裁切，因此区间结束于2.25秒。选择1.50秒作关键帧，卡片完整清晰、无遮挡，且已与侧边控件及按钮分离。","start_frame":0,"end_frame":54,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[398.4,134.7,589.1,854.2],"positive_points":[[414.1,166.7],[500,277.8],[450,450],[494.5,523.6],[484.4,722.2],[566.4,811.1]],"negative_points":[[600,600],[370,530],[660,300],[500,925]],"evidence":"根据“北京”、最佳分数8082及“经典”模式识别出中央城市卡片。边框紧贴完整圆角卡片，包含青色顶部、圆形地图、选择圆点和文字，不含右下方投影。正点分布在顶部、地图、选择圆点及卡片下部；负点位于卡片外背景和右侧投影上。"}},{"name":"Tokyo city card","description":"The pink-topped city-selection card to the right of Beijing, labeled “东京,” with a circular map preview and best score of 6243.","membership":"Includes the entire rounded card, its header, map preview, circular selectors, and text. Excludes its cast shadow and neighboring cards.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0.5,"evidence":"目标是北京右侧的粉色顶部圆角城市卡，含圆形地图、“东京”和最佳分数6243。首个合格帧为0.00秒，最后为0.75秒；0.75秒卡片虽向右移动，但整体仍完整可见。紧邻的1.00秒帧中东京卡已消失。区间从视频起点开始，没有更早帧。选择0.50秒作为关键帧，因为卡片完整清晰、无遮挡，且容易与邻近卡片区分。","start_frame":0,"end_frame":24,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[676.6,156.9,827.3,722.2],"positive_points":[[689.1,180.6],[754.7,270.8],[785.2,401.4],[746.1,462.5],[764.1,505.6],[719.5,666.7]],"negative_points":[[801.6,761.1],[855.5,531.9],[646.9,472.2],[521.1,550]],"evidence":"目标是北京右侧标有“东京”、最佳成绩6243的粉色城市卡片。边界框紧贴完整圆角卡片，包含粉色页头、地图预览、圆形选择器和文字，不含投影。正点分布于页头、地图、选择器、标题、成绩及下部卡面；负点位于卡片外围背景和北京卡片上。"}},{"name":"Beijing card side controls","description":"The vertical set of tabs attached to the left of the selected Beijing card, carrying location-pin, car, medal, and bar-chart symbols.","membership":"Includes the four tab surfaces, their boundaries, and enclosed symbols. Excludes the Beijing card and shadows.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0.25,"evidence":"目标是北京卡片左侧纵向排列的四个标签，分别含定位针、汽车、奖章和柱状图符号。首个合格帧为0秒，四个标签均已完整显示；最后合格帧为0.75秒，标签虽在移动但结构仍完整。紧邻的1秒帧中，该组标签已不再完整显示在北京卡片左侧。区间起点即视频开头，没有更早采样帧。选择0.25秒作为关键帧，四个标签边界和符号清晰且无遮挡。","start_frame":0,"end_frame":24,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[337.5,395.8,402.3,776.4],"positive_points":[[349.2,437.5],[385.9,420.8],[375.8,536.1],[378.1,633.3],[375.8,736.1],[391.4,758.3]],"negative_points":[[436.7,541.7],[330.5,633.3],[296.1,602.8],[428.1,802.8]],"evidence":"目标是北京卡片左侧带定位针、汽车、奖章和柱状图的四个纵向标签。边界框紧贴四个标签的整体可见范围，不包含北京卡片及阴影。正点覆盖标签表面和内部符号；负点位于北京卡片、左侧背景、洛杉矶卡片和下方阴影上。"}},{"name":"Play button","description":"The separate button labeled “游玩” beneath the Beijing card, changing from teal to yellow when selected.","membership":"Includes the button's rectangular surface and lettering throughout its color and size changes. Excludes the cursor and surrounding shadow.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0.5,"evidence":"目标是北京卡片下方标有“游玩”的独立矩形按钮，包含底色和文字，不含光标及阴影。首个合格帧为0.00秒，按钮已完整呈现，随后由青绿色变为黄色并改变大小；最后合格帧为1.00秒，1.25秒时按钮已消失。区间起于视频开头，无更早采样帧。选择0.50秒作为关键帧，此时按钮轮廓和文字清晰，便于与上方卡片区分。","start_frame":0,"end_frame":30,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[444.5,841.7,563.3,959.7],"positive_points":[[453.1,859.7],[552.3,861.1],[453.1,940.3],[550,943.1],[477.3,893.1],[526.6,904.2]],"negative_points":[[429.7,894.4],[578.1,894.4],[500,819.4],[500,979.2]],"evidence":"目标是北京卡片下方标有“游玩”的黄色独立按钮。边界框紧贴按钮矩形表面，包含文字，不包含周围阴影；正点分布于按钮表面及字形上并避开光标，负点位于按钮四周的外部背景。"}},{"name":"Yuyuantan lake","description":"The cyan, horizontally elongated lake labeled “玉渊潭” that settles above the left side of the gameplay road. Its narrow left end widens into a rounded right basin.","membership":"Includes the cyan water shape and its embedded label, following the actual shoreline. Excludes the cream bank, surrounding green terrain, and nearby roads.","id":"obj_006","temporal":{"status":"found","start_s":4.0,"end_s":15.0,"reference_s":10.0,"evidence":"目标为标有“玉渊潭”的青色横向湖泊，左端狭窄、右端扩成圆角水盆，不含米色湖岸。4.00秒水体及内嵌文字已完整进入画面；前一帧3.75秒尚未完整出现。此后持续可见，最后合格帧为14.75秒，区间延至视频末尾15.00秒，无后续帧。选择10.00秒作为关键帧，湖泊轮廓及文字清楚，无遮挡，便于沿实际岸线标注。","start_frame":96,"end_frame":360,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[195.3,365.3,414.8,522.2],"positive_points":[[210.9,481.9],[252.3,483.3],[295.3,452.8],[334.4,394.4],[374.2,486.1],[347.7,447.2]],"negative_points":[[425,486.1],[250,388.9],[312.5,636.1],[362.5,541.7]],"evidence":"目标是道路左段上方、标有“玉渊潭”的青色湖泊，左端狭窄，右侧扩展成圆角湖盆。边界框紧贴可见水域的最外缘；正点分布于狭长左端、右侧湖盆及内嵌文字，负点位于湖外的奶油色岸边、绿色地面和下方道路。"}},{"name":"Bent right-side waterway","description":"The cyan waterway on the right of the gameplay area, descending diagonally from the top before turning downward and then left.","membership":"Includes the continuous visible cyan channel, following its bends and concave shoreline. Excludes the cream bank, nearby trees, and enclosed land.","id":"obj_007","temporal":{"status":"found","start_s":4.5,"end_s":15.0,"reference_s":8.0,"evidence":"目标为游戏区右侧由上方斜向下延伸、再向下并向左弯折的连续青色水道，不含米色岸边和树木。4.50秒首次完整呈现可见弯折结构；4.25秒仍从右侧进入，部分弯道被画面右缘截断。顶部延伸出画面是水道的持续裁切设计。最后合格帧为14.75秒，直至视频结束仍存在，无后续帧。选择8.00秒作为关键帧，水道轮廓清晰且无网格遮扰。","start_frame":108,"end_frame":360,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[677.3,0,810.9,522.2],"positive_points":[[694.5,38.9],[724.2,120.8],[776.6,209.7],[787.5,320.8],[783.6,476.4],[706.3,484.7]],"negative_points":[[818.8,443.1],[715.6,338.9],[697.7,261.1],[845.3,159.7]],"evidence":"目标是右侧从画面顶端斜向下降、再竖直向下并向左转弯的连续青色水道。边界框紧贴其可见范围，顶部止于图像边缘。六个正点沿水道各段及转弯处分布；负点位于米色河岸、弯内陆地、附近树木和右侧外部背景，均不属于水道。"}},{"name":"Red destination building and parking lot","description":"The large red destination that appears near the center-right of the map, on a dark rounded parking lot with two pale parking marks and an entrance projecting left. A demand pin later appears on its roof.","membership":"Includes the red building, dark lot, lot boundary, parking markings, entrance stub, and roof demand marker. Excludes the cast shadow, surrounding terrain, moving cars, and player-built road beyond the entrance stub.","id":"obj_008","temporal":{"status":"found","start_s":4.25,"end_s":15.0,"reference_s":9.0,"evidence":"目标为地图中偏右的大型红色建筑及深色圆角停车场，含两条浅色停车标线、向左突出的入口，屋顶后来出现需求图钉。4.25秒首次完整可见，前一帧4.00秒尚未出现；此后持续存在至最后采样帧14.75秒，视频结束后无相邻帧。选择9.00秒为关键帧，建筑、停车场边界、入口和需求图钉均清晰，且无车辆遮挡。","start_frame":102,"end_frame":360,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[500,443,591,679],"positive_points":[[543,517],[525,485],[576,561],[548,633],[530,665],[507,637]],"negative_points":[[463,638],[614,659],[614,398],[712,477]],"evidence":"目标是地图中右部带屋顶需求标记的红色建筑及其深色圆角停车场。边界框覆盖建筑、停车场边界、两条浅色停车标线和左侧入口短接段；正点分布在这些组成部分上。负点位于左侧延伸道路、右下投影、外围地形及右侧青色物体上，均不属于目标。"}},{"name":"First red house","description":"The small red house that appears in the lower-left gameplay area, initially alone and later at the left end of the connected road.","membership":"Includes the house structure and its short attached driveway through changes in driveway orientation. Excludes the surrounding appearance pulse, cast shadow, cars, and road beyond the driveway.","id":"obj_009","temporal":{"status":"found","start_s":5.25,"end_s":15.0,"reference_s":6.25,"evidence":"目标是游戏区域左下方最先出现的小红房及其短车道，之后位于连接道路的左端。5.00秒尚未出现，5.25秒房屋和短车道已完整可见，周围的出现光圈不计入目标；持续可见至最后采样帧14.75秒，因此区间结束于15.00秒，视频结束后无相邻帧。选择6.25秒作为关键帧，此时光圈已消失，房屋与短车道清晰独立，尚未连接长道路，便于标注。","start_frame":126,"end_frame":360,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[157.8,687.5,230.5,745.8],"positive_points":[[164.1,698.6],[183.6,700],[164.8,731.9],[192.2,713.9],[207.8,705.6],[221.9,719.4]],"negative_points":[[189.8,761.1],[146.9,709.7],[243.8,716.7],[543,517]],"evidence":"目标是左下方独立的小红房屋。框覆盖红色房屋结构及右侧短小的圆头车道，不包含下方投影、绿色光标或其他道路。正点分布在屋顶、侧面及附属车道上；负点位于下方投影、周围背景和中央另一座红色建筑上。"}},{"name":"Road editing toolbar","description":"The small dark vertical toolbar at the right edge of the gameplay view, with a road symbol above a trash-can symbol.","membership":"Includes the toolbar backing, rounded boundary, and both enclosed tool symbols. Excludes surrounding map content.","id":"obj_010","temporal":{"status":"found","start_s":5.5,"end_s":15.0,"reference_s":8.0,"evidence":"目标是游戏画面右侧的深色圆角竖直工具栏，包含上方道路符号和下方垃圾桶符号。5.25秒时工具栏仍被右侧画面边界裁切，5.50秒首次完整显示；此后持续可见，最后合格帧为14.75秒，故区间结束于15.00秒。视频结束后无相邻采样帧。选择8.00秒作为关键帧，工具栏边界和两个符号清晰、无遮挡。","start_frame":132,"end_frame":360,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[962.5,451.4,992.2,554.2],"positive_points":[[976.6,463.9],[970.3,477.8],[984.4,486.1],[968.8,512.5],[978.1,527.8],[980.5,543.1]],"negative_points":[[948.4,473.6],[949.2,544.4],[976.6,426.4],[976.6,580.6]],"evidence":"目标是画面右侧带道路和垃圾桶符号的深色竖向工具栏。边界框紧贴其圆角外缘，包含底板及两个工具符号；正点分布在符号和底板上，负点位于工具栏左侧、上方和下方的地图背景。"}},{"name":"Road and bridge inventory","description":"The compact bottom-center resource display with stacked road tiles and a changing count, beside a bridge symbol showing one available bridge.","membership":"Includes the road and bridge icons, their backing shapes, and associated numeric badges. Excludes the isolated dot above the display and the map behind it.","id":"obj_011","temporal":{"status":"found","start_s":6.25,"end_s":15.0,"reference_s":8.0,"evidence":"目标是底部中央由叠放道路图标、道路数量徽章及标有“1”的桥梁图标组成的资源显示，不含上方孤立圆点。6.00秒时显示仍被画面底边裁切，6.25秒首次完整呈现；此后持续可见，数量变化不改变其身份。最后合格帧为14.75秒，区间延伸至视频结束15.00秒，没有后续采样帧。选择8.00秒作为关键帧，此时两组图标及数字完整清晰，无遮挡。","start_frame":150,"end_frame":360,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[478.1,904.2,575,983.3],"positive_points":[[492.2,938.9],[500,969.4],[503.9,923.6],[521.9,943.1],[553.1,944.4],[568.8,943.1]],"negative_points":[[500,884.7],[468.8,944.4],[585.9,944.4],[545.3,886.1]],"evidence":"目标是画面底部中央的资源显示：叠放道路图标及数量24，旁边为桥梁图标及数量1。边界框覆盖两组图标、底形和数字徽章；正点分布于这些内容，负点位于上方孤立圆点及显示周围的地图背景。"}},{"name":"Connecting road","description":"The dark road drawn from the first red house toward the destination, curving upward from the house and then running horizontally to the parking-lot entrance.","membership":"Includes the player-built road surface as it progressively extends, following its curved and straight edges. Excludes the house driveway, destination lot and entrance stub, moving vehicles, construction grid, and drawing highlights.","id":"obj_012","temporal":{"status":"found","start_s":7.5,"end_s":15.0,"reference_s":8.0,"evidence":"目标是从左下第一座红房屋向上弯曲、再水平通往目的地停车场入口的深色道路，不含房屋车道、停车场和入口短桩。7.25秒仍在延伸绘制，末端尚未形成完整路面；7.5秒首次完整建成。最后一个采样帧14.75秒道路仍完整可见，因此区间延续至视频末尾15.0秒，之后无采样帧。选择8.0秒作为关键帧，此时道路轮廓清晰，无施工网格和行驶车辆遮挡。","start_frame":180,"end_frame":360,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[175.8,615.3,503.1,709.7],"positive_points":[[187.5,684.7],[204.7,655.6],[232.8,638.9],[306.3,638.9],[389.1,637.5],[475,638.9]],"negative_points":[[173.4,717],[545.3,633.3],[350,580.6],[354.7,701.4]],"evidence":"目标是左下红房屋通向右侧目的地的深色道路，先向右上弯曲，再水平延伸。框覆盖可见弯道及直线路面，不含房屋车道、目的地停车场及入口短段。六个正点沿弯道和水平路面分布；负点位于红房屋、停车场及道路上下方背景。"}},{"name":"Detached horizontal road segment","description":"The short dark, capsule-shaped road placed below the connecting road, to the right of the first house. It remains disconnected.","membership":"Includes only this segment's filled road surface and rounded ends. Excludes placement highlights, the construction grid, and the separate connected road.","id":"obj_013","temporal":{"status":"found","start_s":8.5,"end_s":15.0,"reference_s":9.0,"evidence":"目标是第一座红色房屋右侧、主连接道路下方的独立深色水平胶囊状路段，不含周围放置高亮。8.25秒时路面仍在初始绘制展开，8.5秒首次完整呈现，随后持续可见至最后采样帧14.75秒。8.0秒尚无该路段；视频在15.0秒结束，无后续帧。选择9.0秒作为关键帧，此时网格和放置高亮已消失，路段轮廓清楚且无遮挡。","start_frame":204,"end_frame":360,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[292.2,693.1,362.5,740.3],"positive_points":[[298.4,715.3],[308.6,702.8],[322.7,727.8],[338.3,705.6],[353.9,716.7],[339.1,731.9]],"negative_points":[[328.1,638.9],[328.1,768.1],[175,718.1],[385.2,713.9]],"evidence":"目标是连接道路下方、左侧房屋右方的独立深色胶囊状短路段。边界框紧贴其填充路面及两端圆角；六个正点分布在路面左右两端和中部，四个负点位于上方连接道路、左侧房屋及目标外的背景。"}},{"name":"Traveling red car","description":"The tiny red car that leaves the first house, follows the curved connecting road to the right, and enters the destination parking lot.","membership":"Includes the vehicle body and visible window details as it moves and rotates. Excludes the road, house, parking lot, and motion effects.","id":"obj_014","temporal":{"status":"found","start_s":5.5,"end_s":15.0,"reference_s":13.25,"evidence":"目标是最初停在左下第一栋红房屋车道旁、随后沿弯曲道路向右驶入停车场的微型红车。5.5秒首次可辨认已成形的车身和车窗，5.25秒房屋仍在出现，车辆尚未清楚建立；之后可连续追踪至14.75秒进入停车场。区间到达视频末尾，没有后一采样帧。选择13.25秒，车辆位于直线路段，完整清楚且与房屋、停车场分离。","start_frame":132,"end_frame":360,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[350,638.89,365.63,654.17],"positive_points":[[351.56,643.06],[354.69,641.67],[358.59,643.06],[362.5,643.06],[353.91,650],[362.5,650]],"negative_points":[[335.94,645.83],[382.81,645.83],[174.22,715.28],[546.88,625]],"evidence":"目标是连接左下房屋与右侧停车场的横向道路上的微小红色汽车。边界框紧贴车身及可见车窗；六个正点分布在车身两端和中部，负点位于左右道路、左下房屋和右侧停车场，均不属于车辆。"}},{"name":"Clock and simulation-speed controls","description":"The upper-right gameplay control group showing “周日,” an analog clock, and vertically arranged pause, play, and fast-forward controls that unfold beneath it.","membership":"Includes the day label, clock face and boundary, and the associated speed-control symbols. Excludes the cursor and surrounding map.","id":"obj_015","temporal":{"status":"found","start_s":12.25,"end_s":15.0,"reference_s":13.5,"evidence":"目标是右上角包含“周日”、圆形时钟及下方暂停、播放、快进符号的控件组。12.25秒首次全部呈现，之后展开动画中的位移和缩放不影响完整性；前一帧12.00秒尚未显示完整的快进符号。最后合格帧为14.75秒，持续至视频结束，边界外无后续帧。选13.50秒作关键帧，控件清晰分离，且鼠标不遮挡。","start_frame":294,"end_frame":360,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[938.3,16.7,993.8,200],"positive_points":[[942.2,45.8],[976.6,36.1],[986.7,55.6],[974.2,101.4],[975.8,143.1],[973.4,187.5]],"negative_points":[[921.9,97.2],[953.1,144.4],[984.4,243.1],[898.4,41.7]],"evidence":"目标位于右上角，由“周日”、模拟时钟及下方纵向排列的暂停、播放和快进符号组成。边界框紧贴整组可见内容；正点覆盖日期文字、钟面及三个速度控制符号，负点位于该组左侧和下方的��围地图背景，不包含光标。"}},{"name":"Second red house","description":"The new small red house that appears immediately to the right of the first house near the end of the sequence, with its driveway pointing upward.","membership":"Includes this house's structure and attached driveway. Excludes its appearance pulse, cast shadow, the neighboring house, and nearby roads.","id":"obj_016","temporal":{"status":"found","start_s":13.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是原有红房子紧邻右侧新出现的红房子及其朝上的车道，不包括脉冲圆环、阴影和道路。13.50秒尚未出现；13.75秒房屋及车道结构已完整可见，随后虽有缩放弹动但持续存在，最后合格帧为14.75秒。区间延续至视频结束，没有后续帧可检查。选择14.75秒作为关键帧，房屋和向上车道清楚，易与左侧原有房屋区分。","start_frame":330,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[201.6,663.9,234.4,745.8],"positive_points":[[218.8,671.5],[217.2,683.3],[207.8,697.2],[226.6,704.2],[208.6,733.3],[226.6,733.3]],"negative_points":[[173.4,713.9],[264.1,638.9],[249.2,715.3],[219.5,760.0]],"evidence":"目标是左下方两栋红屋中右侧的一栋，车道朝上。框覆盖该屋主体及上接的短车道，不包含红色出现光圈、投影、左邻房屋或道路。正点分布在车道、屋顶和屋身；负点位于左邻房屋、上方道路、右侧光圈及下方投影。"}},{"name":"Detached diagonal road segment","description":"The short dark diagonal road placed near the right bank of the labeled lake, above the main connecting road, after the second house appears.","membership":"Includes only the filled diagonal segment and its rounded ends. Excludes placement highlights, the grid, lake bank, and other road segments.","id":"obj_017","temporal":{"status":"found","start_s":14.0,"end_s":15.0,"reference_s":14.75,"evidence":"目标是标有文字的湖泊右岸旁、主连接道路上方独立的深色斜向短路，仅包含填充路段及圆头。14.00秒已出现完整斜段，周围放置高亮不计入目标；此前13.75秒尚无该路段。最后合格帧为14.75秒，目标仍完整可见，视频结束后没有相邻采样帧。选择14.75秒作关键帧，此时网格和放置高亮已消失，路段轮廓清晰且无遮挡。","start_frame":336,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[380.5,459.7,450,584.7],"positive_points":[[391.4,559.7],[400,544.4],[410.9,525],[421.1,505.6],[431.3,479.2],[438.3,486.1]],"negative_points":[[358.6,486.1],[418.8,637.5],[456.3,551.4],[410.2,462.5]],"evidence":"目标是标有文字的湖泊右岸、主连接道路上方的独立深色斜向短路段。边界框紧贴其填充主体及两端圆头；六个正点沿路段分布，四个负点位于湖面、湖岸、外部背景及下方主道路，均排除在目标之外。"}}]}
+{"video_id":86,"video_type":"2D games","targets":[{"name":"Back navigation button","description":"White left-pointing arrow initially in the upper-left corner, also present on the city-selection screen.","membership":"Includes the arrow silhouette only; excludes the surrounding background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0.5,"evidence":"目标是主菜单左上角的白色向左箭头，仅包含箭头轮廓。首次合格帧为0.00秒，最后合格帧为1.00秒，期间箭头完整可见；紧邻的1.25秒帧中该箭头已随菜单移出画面。区间始于视频开头，没有更早的采样帧。选择0.50秒作为关键帧，箭头清晰完整、无遮挡，易于标注。","start_frame":0,"end_frame":30,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[12.5,21.3,45.83,69.44],"positive_points":[[16.67,45.37],[22.4,35.19],[26.04,27.78],[25.52,59.26],[32.29,45.37],[42.19,45.37]],"negative_points":[[7.81,13.89],[54.69,44.44],[34.9,75.93],[15.63,87.96]],"evidence":"目标是图像左上角的白色左向返回箭头。边界框紧贴箭头轮廓，六个正点分布在箭头上下斜臂及水平杆上，四个负点位于箭头外侧的深色背景。"}},{"name":"Mini Metro title","description":"Large white Chinese title “迷你地铁” above the opening menu, moving out of view during the transition to city selection.","membership":"Includes all title lettering; excludes the menu below and the adjacent railway graphics.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0,"evidence":"目标为开场菜单上方的大号白色中文“迷你地铁”，不包括菜单和铁路图形。首个合格帧为0.00秒，最后合格帧为1.00秒，期间全部标题文字完整可见。1.25秒帧中标题随转场移出画面，上部已被画面边界裁切，因此排除。区间从视频起点开始，无更早采样帧。选择0.00秒作为关键帧，标题清晰完整且无遮挡。","start_frame":0,"end_frame":30,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[400.5,193.5,671.9,308.3],"positive_points":[[442.7,238.9],[420.8,299.1],[481.8,266.7],[512.5,222.2],[551.6,257.4],[654.2,232.4]],"negative_points":[[421.4,359.3],[722.9,270.4],[586.5,149.1],[356.3,264.8]],"evidence":"目标是菜单上方的大号白色“迷你地铁”标题，边界框紧密覆盖四个汉字。六个正点分布在标题各字的实际笔画上；负点位于下方菜单、右侧铁路站点图形及标题外围背景，均不包含在标题中。"}},{"name":"Opening menu","description":"Vertical menu beneath the title with blue-backed options “开始游戏”, “继续”, “日常挑战”, “设置”, and “退出”, each accompanied by a directional arrow.","membership":"Includes the five option surfaces, their text, notification dot, and associated arrows. Excludes the title, cursor, and decorative railway lines.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0,"evidence":"目标为标题下方五项蓝底菜单，包含文字、方向箭头及通知圆点，不含标题和装饰线路。首个合格帧为0.00秒，菜单已完整呈现，视频起点之前无采样帧；最后合格帧为1.25秒，菜单虽随画面移动、旋转，但所有指定成员仍完整可见。下一帧1.50秒菜单已离开画面。选择0.00秒作为关键帧，菜单清晰、无遮挡且无字幕干扰。","start_frame":0,"end_frame":36,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[350.5,317.6,585.4,757.4],"positive_points":[[548,372],[438,456],[480,549],[436,635],[435,728],[374,366]],"negative_points":[[532,254],[741,491],[320,525],[606,714]],"evidence":"目标是标题下方由五个蓝底选项及方向箭头组成的纵向菜单。边界框覆盖“开始游戏”至“退出”的全部选项表面、文字、通知圆点和箭头；不将标题、光标或铁路装饰计入目标。正点分布在五个选项表面及首项箭头上，负点位于标题、右侧黄色铁路和菜单外的深色背景。"}},{"name":"Opening Start Game control","description":"The large blue “开始游戏” option at the top of the opening menu, activated before the city-selection transition.","membership":"Includes this option's blue rectangular surface, white lettering, and left-hand right-pointing arrow. It remains part of the opening menu; excludes click effects and the cursor.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0,"evidence":"目标是开场菜单顶部蓝色“开始游戏”按钮，包含蓝色矩形、白色文字及左侧向右箭头。首个合格帧为0.00秒，至1.25秒虽随菜单旋转移动，但整体仍完整可见；下一帧1.50秒已消失，画面仅见过渡中的线路图。区间始于视频开头，无更早采样帧。选择0.00秒为关键帧，按钮清晰完整、无遮挡，便于标注。","start_frame":0,"end_frame":36,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[351.0,317.6,585.0,413.0],"positive_points":[[373,365],[416,346],[448,382],[502,345],[550,374],[578,400]],"negative_points":[[330,366],[432,454],[530,248],[602,375]],"evidence":"目标是开场菜单顶部的蓝色“开始游戏”控件。边界框覆盖蓝色矩形、白色文字及左侧向右箭头；正点分布于箭头和按钮表面、文字处，避开鼠标指针。负点位于左右外部背景、下方“继续”选项及上方标题，均不属于目标。"}},{"name":"Introduction subtitle","description":"Large white subtitle along the bottom, progressively displaying “大家好！欢迎来到迷你地铁系列的第4期视频。” before disappearing.","membership":"Includes the visible subtitle lettering and punctuation as one continuously changing text block; excludes underlying game graphics and controls.","id":"obj_005","temporal":{"status":"found","start_s":0.5,"end_s":2.75,"reference_s":0.75,"evidence":"目标为画面底部的大号白色介绍字幕“大家好！欢迎来到迷你地铁系列的第4期视频。”。首个完整呈现帧为0.50秒，最后合格帧为2.50秒；前一帧0.25秒文字尚未揭示完整，后一帧2.75秒已从左侧开始擦除，开头的“大”消失。选择0.75秒为关键帧，字幕完整清晰，便于区分其与背景游戏图形。","start_frame":12,"end_frame":66,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[95.8,909.3,893.2,976.9],"positive_points":[[110.9,931.5],[233.3,935.2],[404.7,933.3],[504.7,944.4],[624.5,916.7],[859.4,916.7]],"negative_points":[[328.1,879.6],[942.7,935.2],[572.9,865.7],[437.0,723.1]],"evidence":"目标是画面底部白色字幕“大家好！欢迎来到迷你地铁系列的第4期视频。”，边框覆盖整行可见文字及末尾句号。六个正点分布于字幕不同位置的字形笔画，负点位于字幕外的背景、彩色轨道和游戏菜单控件上。"}},{"name":"London city option","description":"City-selection item labeled “伦敦” and, when expanded, “London”. Initially the selected dark card, it shows red, yellow, and cyan routes above a blue river, a row of route colors, descriptive text, and “最高分 2862”. It later moves left and becomes an inactive preview.","membership":"Includes the complete London selection item: its label, map preview, and, while expanded, the card surface and boundary, folded corner, color swatches, description, score, medal control, and chart control. In its collapsed state includes only the remaining London label and preview. Excludes the horizontal yellow carousel line and neighboring city items.","id":"obj_006","temporal":{"status":"found","start_s":2.0,"end_s":8.75,"reference_s":2.5,"evidence":"通过“伦敦 / London”标签、红黄青路线与蓝色河流、最高分2862识别该选项，并连续追踪其左移后收起的标签和预览。首个合格帧为2.00秒，前一帧1.75秒卡片仍被右侧画面边界裁切；最后合格帧为8.50秒，8.75秒伦敦选项左移出画并被左边界裁切。选择2.50秒为关键帧，此时展开卡片完整清晰，标签、地图及各控件易于区分。","start_frame":48,"end_frame":210,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[414.1,138.9,588.0,858.3],"positive_points":[[575.8,159.3],[448.1,273.1],[497.4,474.1],[483.3,625.9],[470.3,663.0],[515.1,791.7]],"negative_points":[[382.8,305.6],[711.5,470.4],[377.1,638.9],[622.9,754.6]],"evidence":"目标是中央标有“伦敦 / London”的展开深色卡片。边界框覆盖完整卡面、折角、地图、色块、说明、最高分及底部控件。正点分布于折角、标题、地图河流、色块、说明和奖章控件；负点位于卡外黄色横线、巴黎预览及两侧背景，不包含邻近城市。"}},{"name":"Paris city option","description":"City-selection item labeled “巴黎”, initially to the right of London. It becomes the expanded “Paris” card with blue, purple, and orange routes crossing branching waterways, route-color swatches, descriptive text, and “最高分 2826”, then moves left as New York is selected.","membership":"Includes the complete Paris selection item and its changing expanded or collapsed presentation: label, map preview, and the expanded card's surface, boundary, folded corner, swatches, description, score, and two circular controls. Excludes neighboring options, the carousel line, and interaction effects.","id":"obj_007","temporal":{"status":"found","start_s":2.0,"end_s":9.0,"reference_s":3.75,"evidence":"通过“巴黎”标签及蓝、紫、橙色线路预览识别目标；展开后显示“Paris”和“最高分 2826”。首个合格帧为2.00秒，巴黎的标签和收起状态地图已完整入画；前一帧1.75秒尚未出现巴黎选项。此后展开、收起并向左移动均保持连续，最后一帧8.75秒仍完整可见，故结束于视频末尾9.00秒，边界后无采样帧。选择3.75秒作为关键帧，展开卡片及折角、色点、说明、分数和两个圆形控件清晰完整。","start_frame":48,"end_frame":216,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[413.02,139.81,586.98,859.26],"positive_points":[[572.92,161.11],[432.29,273.15],[513.02,501.85],[481.77,625.93],[455.73,662.96],[524.48,794.44]],"negative_points":[[279.17,431.48],[703.13,460.19],[635.42,305.56],[500,899.07]],"evidence":"目标是中央标有“巴黎 / Paris”的展开城市卡片。边界框覆盖完整深色卡面、右上折角、线路与水道预览、色板、说明、最高分及底部两个圆形控件。正点分布在折角、标题、预览、色板、说明和底部控件区域；负点位于左右相邻城市、卡外黄色轮播线及卡片下方背景。"}},{"name":"New York City option","description":"City-selection item labeled “纽约”, initially to the right of Paris. It becomes the selected “New York City” card, showing purple, red, and green routes over a blue-water map, a route-color row, Chinese descriptive text, and “最高分 1138”.","membership":"Includes the New York label and map preview throughout movement, plus its expanded card surface, boundary, folded corner, swatches, description, score, medal control, and chart control when visible. Excludes the neighboring city options, yellow carousel line, and added explanatory annotation.","id":"obj_008","temporal":{"status":"found","start_s":2.25,"end_s":9.0,"reference_s":5.0,"evidence":"通过“纽约”标签及紫、红、绿线路预览识别目标，并追踪其移动及展开为含“New York City”“最高分 1138”的选中卡片。首个合格帧为2.25秒，标签和地图预览已完整入画；前一帧2.0秒该选项尚未完整进入画面。最后合格帧为8.75秒，卡片仍完整可见，故区间延至视频结尾9.0秒，之后无采样帧。选择5.0秒作为关键帧，卡片清晰完整，且无后加说明标注遮扰。","start_frame":54,"end_frame":216,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[413.0,139.8,587.0,858.3],"positive_points":[[447,274],[575,160],[482,473],[499,626],[487,684],[553,794]],"negative_points":[[293,469],[687,477],[381,306],[615,738]],"evidence":"中央展开卡片标有“纽约 / New York City”，包含蓝��水域及紫、红、绿线路，确认为目标。边界框覆盖整张卡片及折角、色块、说明、最高分和底部控件。正点分布在标题、折角、地图、色块、说明和图表控件；负点位于巴黎、芝加哥选项、外侧黄色横线及卡片外背景。"}},{"name":"Community Maps control","description":"Yellow-backed “社区地图” control with an upward arrow at the upper right of the city-selection screen.","membership":"Includes the yellow button surface, its text, and the associated upward arrow; excludes the overlaid watermark and uploader credit.","id":"obj_009","temporal":{"status":"found","start_s":2.5,"end_s":9.0,"reference_s":8.75,"evidence":"目标是城市选择界面右上角的黄色“社区地图”按钮及其左侧向上箭头，不包括水印和上传者署名。2.25秒时按钮仍被画面右边界裁切；2.5秒首次完整呈现，随后持续可见，最后合格帧为8.75秒。区间延续至视频结束9.0秒，没有后续采样帧。选择8.75秒为关键帧，此时按钮和箭头轮廓清楚，且与右边界有明显间隔。","start_frame":60,"end_frame":216,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[780.7,9.3,934.4,74.1],"positive_points":[[792.7,30.6],[818.2,16.7],[835.9,35.2],[858.3,32.4],[885.4,28.7],[925.5,36.1]],"negative_points":[[950.5,70.4],[770.8,69.4],[858.3,111.1],[798.4,106.5]],"evidence":"目标是右上角黄色“社区地图”按钮及其左侧向上箭头，框覆盖按钮表面、文字和箭头。六个正点分布在箭头及按钮未被遮挡的表面和文字上；负点位于右侧水印、左侧上传者署名及下方外部深色背景，排除叠加内容。"}},{"name":"City-selection Start Game control","description":"Yellow “开始游戏” button at the lower right of city selection, with a white right-pointing arrow. It enlarges on hover and is activated near the end.","membership":"Includes the button's yellow surface, text, and associated arrow through resizing and movement. Excludes the cursor, click rings, and separate Mode control.","id":"obj_010","temporal":{"status":"found","start_s":2.5,"end_s":9.0,"reference_s":6.75,"evidence":"目标是城市选择页右下角黄色“开始游戏”按钮及其白色向右箭头，不含下方“模式”、光标或点击圆环。2.25秒时按钮右侧仍被画面边界裁切，2.5秒首次完整显示；此后悬停放大及移动均保持完整，最后一个合格帧为8.75秒，故区间延至视频结束9.0秒，边界后无采样帧。选择6.75秒作为关键帧，按钮放大、文字和箭头清晰，且无点击圆环遮挡。","start_frame":60,"end_frame":216,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[794.3,839.8,989.1,919.4],"positive_points":[[811.5,879.4],[843.8,907.4],[866.1,870.4],[895.8,860.2],[953.1,900],[982.3,856.5]],"negative_points":[[947.9,950],[906.3,955.6],[802.1,824.1],[958.3,800.9]],"evidence":"目标是右下角黄色“开始游戏”按钮及其左侧白色右箭头，框覆盖两者的完整可见范围。正点分布在箭头、黄色按钮表面和文字上，避开鼠标光标；负点位于下方独立“模式”控件及其向下箭头、按钮外的深色背景。"}},{"name":"Mode control","description":"Yellow-backed “模式” option beneath the city-selection Start Game button, accompanied by a downward arrow and a small dot.","membership":"Includes the yellow surface, lettering, dot, and associated downward arrow; excludes the Start Game control above it.","id":"obj_011","temporal":{"status":"found","start_s":2.5,"end_s":9.0,"reference_s":5.0,"evidence":"目标是城市选择界面右下角“开始游戏”下方的黄色“模式”控件，包括文字、小圆点及向下箭头。2.25秒时控件仍被画面右边界裁切；2.5秒首次完整进入画面，此后持续存在，最后一个合格帧为8.75秒，移动中的控件仍完整可见。区间延续至视频结束，没有后续采样帧。选择5.0秒作为关键帧，控件清晰且无遮挡，易与上方按钮区分。","start_frame":60,"end_frame":216,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[879.7,915.7,989.1,980.6],"positive_points":[[891.7,935.2],[891.1,967.0],[916.7,933.3],[946.9,953.7],[980.7,931.5],[979.7,968.5]],"negative_points":[[929,875],[848,879],[850,944],[818,953]],"evidence":"目标位于右下角“开始游戏”下方。框覆盖“模式”的黄色底面、文字、小圆点及左侧向下箭头，不包含上方开始游戏控件。正点分布于箭头和黄色选项内部；负点位于上方开始游戏控件及左侧外部背景。"}},{"name":"Chicago city option","description":"Inactive city-selection item labeled “芝加哥” with a small dot, appearing to the right as the carousel advances. Its miniature network uses cyan and red routes with white geometric stations.","membership":"Includes the Chicago label, its dot, and its miniature route-and-station preview as one city-selection item. Excludes the yellow carousel line and neighboring city items.","id":"obj_012","temporal":{"status":"found","start_s":3.25,"end_s":9.0,"reference_s":7.0,"evidence":"通过带小圆点的“芝加哥”标签及其青色、红色线路和白色几何站点预览识别目标。3.25秒首次完整呈现，前一帧3.00秒尚未出现；此后随轮播移动，至最后采样帧8.75秒仍完整可见，故区间延伸至视频结束9.00秒，无后续帧。选择7.00秒作为关键帧，标签和线路预览清晰完整，未被光标或字幕遮挡。","start_frame":78,"end_frame":216,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[618.2,258.3,733.3,588.9],"positive_points":[[623.4,271.3],[657.8,275.0],[665.6,434.3],[708.3,387.0],[727.6,476.9],[727.6,578.7]],"negative_points":[[666.7,306.5],[759.9,454.6],[609.4,500.9],[549.5,378.7]],"evidence":"目标位于纽约卡片右侧，由灰色圆点、“芝加哥”标签及青色、红色线路和白色几何站点组成。框覆盖标签、圆点和完整线路预览；正点分布在圆点、文字、线路及站点上，负点位于明确排除的黄色横线、周围背景和纽约预览上。"}},{"name":"Locked Budapest city option","description":"City-selection item labeled “布达佩斯”, appearing to the right of Chicago with a circular padlock symbol instead of a network preview.","membership":"Includes the Budapest label and the circular lock badge, including its enclosed area and padlock graphic. Excludes the carousel line and other city options.","id":"obj_013","temporal":{"status":"found","start_s":4.5,"end_s":9.0,"reference_s":5.0,"evidence":"目标是芝加哥右侧标有“布达佩斯”的城市选项，包含圆形锁徽章及其中的挂锁图案。4.50秒时标签和徽章已完整显示，前一帧4.25秒尚未出现；此后持续可见，最后合格帧为8.75秒，直到视频结束，无边界后的采样帧。选择5.00秒作为关键帧，标签与锁徽章清晰完整、无遮挡，且容易与相邻城市选项区分。","start_frame":108,"end_frame":216,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[832.8,257.4,910.4,414.8],"positive_points":[[842.7,274.1],[864.6,275],[901.6,275.9],[840.1,379.6],[853.1,371.3],[863,397.2]],"negative_points":[[656.3,274.1],[893.2,307.4],[937.5,370.4],[817.7,435.2]],"evidence":"目标位于芝加哥右侧，由“布达佩斯”标签及下方圆形锁徽章组成。边界框紧密覆盖标签和完整徽章；六个正点分布在文字笔画、徽章内部及锁图案上，四个负点位于芝加哥选项、明确排除的黄色轮播线和外围背景。"}},{"name":"Previous-video challenge annotation","description":"Large white explanatory text to the left of the selected New York card reading “上期视频里的初见” and “+ 不暂停挑战”. It appears beside the card's recorded high score and later disappears.","membership":"Includes the two lines of annotation text as one block, including their progressive disappearance. Excludes the adjacent curved emphasis arrow, the New York card, and its score.","id":"obj_014","temporal":{"status":"found","start_s":5.75,"end_s":7.5,"reference_s":6.0,"evidence":"目标是纽约卡片左侧的两行白字“上期视频里的初见”和“+ 不暂停挑战”，不含弯箭头及分数。5.50秒尚未出现，5.75秒两行文字完整显示；最后完整帧为7.25秒，7.50秒首行已开始从左侧擦除，依退出边界规则不纳入。选择6.00秒作为关键帧，文字完整清晰且无遮挡。","start_frame":138,"end_frame":180,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[96.4,586.1,410.4,751.9],"positive_points":[[110.9,613.0],[271.4,638.0],[392.2,592.6],[113.5,720.4],[182.3,738.9],[322.4,739.8]],"negative_points":[[362.5,807.4],[438.5,801.9],[501.6,688.0],[81.3,686.1]],"evidence":"目标是纽约卡片左侧的两行白色说明文字“上期视频里的初见”和“+ 不暂停挑战”。框覆盖完整两行文字及行间距；六个正点分布在两行的字形笔画上，负点位于旁边的弯箭头、卡片分数、卡片区域和文字外侧背景，均不属于该注释。"}}]}
+{"video_id":87,"video_type":"2D games","targets":[{"name":"Player weight readout","description":"The upper-left game statistic beginning with “体重: 169千克” and updating as the observed player gains or loses mass.","membership":"Include the complete weight label, numerical value, and unit as one text region. Exclude its dark backing panel.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":7,"reference_s":0,"evidence":"目标是左上角以“体重:”开头的白色统计文字，包含标签、数值及单位，不含深色底板。首个合格帧为0.00秒，显示“体重: 169千克”；数值随后更新，但文字区域持续完整可见，最后合格帧为6.75秒。区间覆盖视频首尾，两端均无区间外采样帧。选择0.00秒为关键帧，文字清晰完整且无遮挡。","start_frame":0,"end_frame":168,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[17.7,16.7,111.5,40.7],"positive_points":[[23.4,26.9],[38.5,28.7],[60.4,26.9],[79.2,24.1],[89.1,27.8],[104.2,20.4]],"negative_points":[[125,26.9],[10.9,26.9],[65.1,47.2],[150,75]],"evidence":"目标为左上角“体重: 169千克”读数。边界框紧贴完整标签、数值和单位，不包含深色底板；六个正点分布于汉字和数字笔画，负点位于文字外围的底板及更远背景。"}},{"name":"Left “苏雅” cell","description":"The smaller of the two pink cells initially near the upper right, labeled “苏雅” with a Chinese flag and “湖南.” It moves upward and eventually leaves view.","membership":"Include this cell’s circular surface, outer boundary, name, flag, and location label. Exclude the neighboring larger cell and nearby food particles.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.75,"evidence":"目标是右上方两枚粉色“苏雅”细胞中左侧较小的一枚，带中国国旗和“湖南”标签。首个合格帧为0秒，圆形结构已完整呈现；最后合格帧为1.75秒，向上移动但边界仍完整。紧随其后的2秒帧中，该细胞已被画面上边缘裁切。区间起于视频开头，无更早采样帧。选择0.75秒作为关键帧，目标轮廓、名称和标签清晰，且容易与右侧较大的细胞区分。","start_frame":0,"end_frame":48,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[644.3,38,742.7,213],"positive_points":[[677.1,74.1],[718.8,88.9],[667.2,133.3],[706.3,131.5],[680.2,168.5],[704.7,194.4]],"negative_points":[[796.9,144.4],[614.6,167.6],[627.6,102.8],[755.2,300]],"evidence":"目标是右上方两个粉色“苏雅”细胞中左侧较小的一枚，带中国国旗及“湖南”标签。边界框紧贴其完整圆形表面与外缘，包含内部文字和旗帜。六个正点分布在该细胞表面及标识处；负点位于右侧较大细胞、左侧食物颗粒和外围背景，排除这些非目标区域。"}},{"name":"Right “苏雅” cell","description":"The larger pink “苏雅” cell initially to the right of its smaller companion, also displaying a Chinese flag and “湖南.”","membership":"Include this individual cell’s complete circular surface, boundary, and internal labels and flag. Exclude its companion and any overlapping green cell.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.75,"evidence":"目标是最初位于较小同名粉色球右侧的较大“苏雅”球，内部有中国国旗和“湖南”。首个合格帧为0秒，圆形边界已完整；最后合格帧为1.75秒。紧接的2秒帧中，该球向上离开画面，顶部已被裁切，因此结束区间。视频起点之前无采样帧。选择0.75秒为关键帧，此时目标完整清晰，与左侧同伴及下方绿色球均易于区分。","start_frame":0,"end_frame":48,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[741.1,54.6,859.9,264.8],"positive_points":[[799,82.4],[765.6,122.2],[837,120.4],[783.9,207.4],[828.1,211.1],[804.2,158.3]],"negative_points":[[692.7,120.4],[822.9,337],[885.4,185.2],[781.3,300.9]],"evidence":"目标是右上方两个粉色“苏雅”细胞中较大的右侧个体，内部有中国国旗和“湖南”。框紧贴其完整圆形表面与边界，包含内部标签；六个正点分布在圆内不同部位，四个负点位于左侧同名细胞、下方绿色细胞及圆外背景。"}},{"name":"Spectator count and viewing link","description":"The upper-right text block showing “观战人数” with changing counts and the adjacent green “查看” link.","membership":"Include the spectator label, count, and viewing-link text. Exclude the leaderboard heading, settings gear, and underlying game objects.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":7,"reference_s":4.75,"evidence":"目标是右上角“观战人数”标签、变化的数字及相邻绿色“查看”链接，不含排行榜标题和齿轮。首个合格帧为0.00秒，最后为6.75秒；该文字组全程结构完整，计数变化不影响连续性。区间覆盖视频首尾，边界外均无采样帧。选择4.75秒作为关键帧，此时文字清晰且没有游戏球体遮扰，便于独立标注。","start_frame":0,"end_frame":168,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[832.8,63.9,991.7,92.6],"positive_points":[[837.5,74.1],[879.2,78.7],[901.6,79.6],[931.3,77.8],[968.2,75.9],[984.4,75.9]],"negative_points":[[896.9,25.0],[978.1,27.8],[946.9,122.2],[875.0,323.1]],"evidence":"目标位于右上角，为“观战人数:23(19)”及相邻绿色“查看”链接。框紧贴整段文字，正点分布在标签、数字和链接字形上；负点位于排行榜标题、设置齿轮、下方背景及绿色游戏球体上。"}},{"name":"Leading “格局太小” cell","description":"The leftmost cell of the initial central green cluster, displaying “格局太小,” a Chinese flag, and “福建.” It grows into the prominent central green cell and later becomes the upper member of a two-cell formation.","membership":"Include this individual green cell’s surface, circular boundary, and internal name, flag, and location text. Exclude neighboring cells, external triangular indicators, and newly separated cells.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":7,"reference_s":6.5,"evidence":"目标是初始中央绿色群中最左侧、带“格局太小”、中国国旗及“福建”的圆形细胞；可连续追踪其长大为中央主细胞，并在分裂后成为上下两球中的上球，不包含新分出的下球。首个合格帧为0.00秒，最后为6.75秒，目标均完整建立且仍在画面内；区间覆盖视频首尾，两端均无额外相邻采样帧。选择6.50秒作关键帧，上方目标轮廓清晰、无遮挡，与下方细胞容易区分。","start_frame":0,"end_frame":168,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[443.2,195.4,555.7,395.4],"positive_points":[[496.4,223.1],[463.0,264.8],[530.7,263.9],[499.0,296.3],[486.5,345.4],[522.9,363.0]],"negative_points":[[500.0,537.0],[381.3,420.4],[526.0,413.9],[578.1,296.3]],"evidence":"目标是中央上下两枚绿色球中上方的一枚，内部同时显示“格局太小”、中国国旗和“福建”。边界框紧贴该球的完整圆形范围；六个正点分布在球面及内部文字、旗帜区域。负点分别位于下方新分离的绿球、左侧粉球、球外三角指示符和右侧背景，排除这些非目标内容。"}},{"name":"Central “格局太小” cell","description":"The initially largest green cell in the middle of the central cluster, immediately right of the leading cell, with “格局太小,” a Chinese flag, and “福建.” It remains beside the leading cell before becoming obscured by the large pink cell.","membership":"Include this cell’s own circular surface, boundary, and internal identifying content. Exclude the other green cells and the pink cell that overlaps it.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0.25,"evidence":"目标是中央绿色簇中最初最大的圆形细胞，位于领头细胞右侧，内部有“格局太小”、中国国旗和“福建”。首个合格帧为0.00秒，此时已完整呈现，视频起点之前无采样帧。随后它始终位于领头细胞旁，至2.00秒仍有部分圆面和文字露在大粉色细胞左上缘；2.25秒已不可见，仅剩领头绿色细胞，因此最后合格帧为2.00秒。选择0.25秒作为关键帧，目标边界完整、文字清楚，且易与周围较小绿色细胞区分。","start_frame":0,"end_frame":54,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[451,358,517,472],"positive_points":[[482,373],[464,391],[503,391],[485,415],[470,442],[487,457]],"negative_points":[[424,393],[539,388],[603,588],[488,319]],"evidence":"目标是中央绿色簇中、左侧前导细胞右邻的较大绿色圆形细胞，带“格局太小”、中国国旗和“福建”。框覆盖该细胞自身的可见圆面及边界；正点分布在绿色表面和内部标识上，负点位于左邻与右上方的其他绿细胞、大粉色细胞及上方背景。"}},{"name":"Upper small “格局太小” cell","description":"The small green cell initially above and to the right of the central green cell, labeled “格局太小.”","membership":"Include this individual circle and its name. Exclude adjacent green cells, external direction indicators, and surrounding particles.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.75,"evidence":"目标是中央绿色主球右上方、标有“格局太小”的独立小绿球，排除更靠右下的其他绿球。首帧0.00秒已完整出现，可连续追踪至1.75秒；2.00秒时该小球在大型粉球覆盖处消失，之后未见其独立延续。区间从视频起点开始，无更早采样帧。选择0.75秒作为关键帧，此时目标圆形和文字清楚，与相邻绿球分离。","start_frame":0,"end_frame":48,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[517.7,353.7,569.3,426.9],"positive_points":[[540.6,364.8],[553.6,370.4],[561.0,390.7],[550.0,414.8],[532.8,404.6],[537.5,387.0]],"negative_points":[[491.7,412.0],[576.0,446.3],[535.4,475.0],[529.2,350.0]],"evidence":"目标是中央大绿球右上方、标有“格局太小”的小绿球。框覆盖该球的可见圆形及完整名称；六个正点分布在球面和名称上，负点位于相邻绿球及球外的紫色方向指示处，排除其他实例和外部标记。"}},{"name":"Lower small “格局太小” cell","description":"The small green cell initially below the upper small cell, with its lower portion partly hidden behind the large pink “郁” cell.","membership":"Include this cell’s circular surface, boundary, and name wherever visible. Exclude the foreground pink cell and neighboring green cells.","id":"obj_008","temporal":{"status":"found","start_s":0.0,"end_s":1.75,"reference_s":1.25,"evidence":"目标是绿色小球群中位于上方小球下方、起初下缘被粉色“郁”球遮挡的“格局太小”小球，不包括右侧相邻绿球。首个合格帧为0.00秒，虽有遮挡但自身结构已完整建立；最后可辨认帧为1.50秒，1.75秒已不再作为独立小球可见。区间始于视频开头，没有更早采样帧。选择1.25秒作为关键帧，此时目标圆形边界和名称清楚，且与邻近球容易区分。","start_frame":0,"end_frame":42,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[515.6,460.2,565.1,525.9],"positive_points":[[538.5,469.4],[526.0,476.9],[521.4,494.4],[536.5,493.5],[552.1,505.6],[539.6,515.7]],"negative_points":[[550.0,394.4],[577.1,454.6],[503.1,490.7],[625.0,620.4]],"evidence":"目标是中央绿色细胞群中最下方、位于上方小绿球下侧且靠近巨大粉色“郁”球的小“格局太小”细胞。框覆盖其可见圆形表面、边界及横向伸出的名称；正点分布在球面和文字上，负点位于上方及右侧绿球、左侧粉球和巨大粉球上。"}},{"name":"Rightmost small “格局太小” cell","description":"The small green cell at the far right of the initial central cluster, labeled “格局太小,” immediately above the large pink cell.","membership":"Include this individual green circle and its internal text. Exclude other cells and any foreground occluder.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":1,"evidence":"目标是初始中央绿色群最右侧、紧邻大粉色球上方的小绿球，内部写有“格局太小”。首个合格帧为0.00秒，虽下部被粉球遮挡，但目标已存在；最后合格帧为1.75秒。下一帧2.00秒该小球消失，剩余较大的绿球不是目标。视频起点前无采样帧。选择1.00秒作关键帧，此时目标圆形及文字清晰，与其他绿球可区分且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[553.1,412.0,593.8,481.5],"positive_points":[[572.9,422.2],[584.4,431.5],[563.5,439.8],[569.8,455.6],[582.3,463.9],[564.6,463.0]],"negative_points":[[545.3,383.3],[534.4,481.5],[603.6,532.4],[610.4,416.7]],"evidence":"目标是中央绿色细胞簇最右侧、巨大粉色细胞正上方的小型“格局太小”绿圆。框紧贴该绿圆的可见范围，包含圆内文字；正点分布于圆内不同部位，负点位于左侧其他绿圆、下方粉色大圆及右侧背景，排除其他细胞。"}},{"name":"Large right-hand “郁” cell","description":"The very large pink cell initially dominating the lower-right playing area, labeled “郁.” It becomes smaller as the scene zooms out and more pink cells appear around it.","membership":"Include this individual cell’s pink surface, circular boundary, and internal identifying text. Exclude other pink cells, floating green player markers, and external pointers.","id":"obj_010","temporal":{"status":"found","start_s":2.5,"end_s":7.0,"reference_s":3.75,"evidence":"目标是最初占据右下方、内部标有“郁”的大粉色圆胞；随缩放逐渐变小，可连续追踪至末帧。首个完整呈现帧为2.50秒，前一帧2.25秒的下缘仍被底部字幕区域裁切。最后合格帧为6.75秒，目标仍在两枚绿色大圆胞右侧，视频到7.00秒结束，无后续帧。选择3.75秒作关键帧，此时目标位于右侧，与其他粉色圆胞分离，圆形边界和文字清晰。","start_frame":60,"end_frame":168,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[581.8,390.7,753.1,694.4],"positive_points":[[666.7,443.5],[610.4,511.1],[728.1,510.2],[666.1,545.4],[640.6,641.7],[708.9,612]],"negative_points":[[445.3,620.4],[564.6,675],[500,369.4],[784.4,589.8]],"evidence":"目标是画面右侧独立的、中央标有“郁”的大粉色圆形细胞。边界框紧贴其完整圆形外缘，包含粉色表面及内部文字。六个正点分布在圆内各部分及文字上；负点位于左侧其他粉色细胞、左下小粉球、上方绿色细胞和右侧外部背景，排除相邻对象。"}},{"name":"Join-match button","description":"The persistent green rounded rectangular button on the right labeled “加入比赛.”","membership":"Include the button’s complete surface, rounded boundary, shading, and label. Exclude the heart counter beneath it and the playing field.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":7,"reference_s":0,"evidence":"目标是画面右侧标有“加入比赛”的绿色圆角矩形按钮，包含完整表面、边界、明暗和文字，不含下方爱心计数。首个合格帧为0.00秒，最后为6.75秒；所有采样帧中按钮均完整清晰、持续存在。区间覆盖视频首尾，两端均无区间外相邻采样帧。选择0.00秒作为关键帧，因为按钮边界清楚且无遮挡。","start_frame":0,"end_frame":168,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[890.1,649.1,997.4,727.8],"positive_points":[[901,663],[985,667],[917,690],[964,687],[905,714],[984,712]],"negative_points":[[864,689],[943,611],[979,798],[938,754]],"evidence":"目标是画面右侧标有“加入比赛”的绿色圆角按钮。边���框紧贴按钮完整表面，包含圆角、明暗效果和文字；正点分布在按钮表面与标签上，负点位于周围游戏场地及下方爱心计数区域，均不属于按钮。"}},{"name":"Narration subtitles","description":"The bottom-centered Chinese subtitle block, beginning “哈喽大宝贝我是刘哔” and changing to narration about the game’s simple graphics, rules, and “大吃小” mechanism.","membership":"Include the currently displayed subtitle characters as one updating text block. Exclude the black subtitle backing and all gameplay content above it.","id":"obj_013","temporal":{"status":"found","start_s":0,"end_s":7,"reference_s":5.25,"evidence":"目标是画面底部居中的白色中文字幕字符，不含黑色底板。字幕从0.00秒的“哈喽大宝贝我是刘哔”开始，持续更新为游戏画面、规则及“大吃小”机制的旁白，至最后采样帧6.75秒仍完整显示，属于同一更新文本块。首末合格帧分别为0.00秒和6.75秒，区间覆盖视频全长，两端均无边界外采样帧。选择5.25秒作为关键帧，此时“大吃小”机制相关字幕完整清晰、无遮挡，便于标注字符整体范围。","start_frame":0,"end_frame":168,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[160.9,907.4,838.5,959.3],"positive_points":[[167.2,931.5],[264.1,913.0],[391.1,925.9],[504.7,937.0],[700.0,937.0],[812.5,937.0]],"negative_points":[[260.4,981.5],[520.8,880.6],[500.0,422.2],[890.6,929.6]],"evidence":"目标是底部居中的当前旁白字幕“仅仅是凭借着‘大吃小’的游戏机制就火遍了全网”。框仅覆盖整行字幕字符，不含黑色衬底和上方游戏画面。六个正点分散在字幕各处字形笔画上，负点位于字幕外的黑色区域及上方游戏内容。"}},{"name":"Left spiked green obstacle","description":"The green circular obstacle with a densely toothed perimeter that enters from the left and remains to the left of the principal green player cell as the view changes.","membership":"Include its green interior and complete spiked outline, following the individual teeth and intervening concavities. Exclude nearby food particles and the spectator-navigation arrow.","id":"obj_014","temporal":{"status":"found","start_s":1.25,"end_s":7.0,"reference_s":2.75,"evidence":"目标是从左侧进入、始终位于主要绿色玩家球左侧的密齿绿色圆形障碍，沿连续运动可与后期左下方新出现的障碍区分。首个完整呈现帧为1.25秒；前一帧1.00秒的左侧齿缘仍被画面边界裁切。最后合格帧为6.75秒，绿色内部和齿状轮廓仍完整可见，视频在7.00秒结束，无后续采样帧。选择2.75秒作为关键帧，此时目标轮廓清晰、无遮挡，且与玩家球和导航箭头分离。","start_frame":30,"end_frame":168,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[136.5,387,214.6,526],"positive_points":[[175,456],[158,430],[191,433],[155,480],[189,488],[207,454]],"negative_points":[[183.5,375.5],[214.5,385],[19,572],[237,477]],"evidence":"目标是主绿色玩家球左侧、带密集尖齿的绿色圆形障碍物。边界框紧贴绿色内部及完整齿状外缘；六个正点分布于内部不同区域和近齿缘处，负点位于上方食物颗粒、左侧观战导航箭头及右侧外部背景。"}},{"name":"Blue “失去” cell","description":"The blue player cell that emerges from the lower edge late in the sequence and becomes fully visible to the right of the main green cells, labeled “失去.”","membership":"Include this individual blue circular surface, boundary, and internal name. Exclude the floating green name annotation and triangular marker outside it.","id":"obj_015","temporal":{"status":"found","start_s":6.25,"end_s":7.0,"reference_s":6.25,"evidence":"目标为主绿色细胞右侧、内部标有“失去”的蓝色圆形细胞，不含外部绿色名字和三角标记。6.00秒时蓝色细胞仍被画面下边缘截断，6.25秒首次完整可见；至最后采样帧6.75秒仍持续完整出现，因此区间结束于视频末尾7.00秒，之后无采样帧。选择6.25秒作为关键帧，此时圆形边界及内部文字清楚，与邻近细胞分离、无遮挡。","start_frame":150,"end_frame":168,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[583.3,578.7,653.6,702.8],"positive_points":[[614.6,594.4],[593.8,622.2],[612.0,638.9],[639.1,629.6],[607.3,676.9],[635.4,675.0]],"negative_points":[[668.8,638.9],[619.8,731.5],[562.5,652.8],[526.0,509.3]],"evidence":"目标是主绿色细胞右下方、标有“失去”的蓝色圆形细胞。框紧贴其完整可见圆面和边界，包含内部名字；六个正点分布在蓝色表面及名字上，四个负点位于右侧和下方背景、左侧粉色小细胞及绿色细胞上，不包含外部标注或三角标记。"}},{"name":"New lower “格局太小” cell","description":"The second large green cell that separates below the established “格局太小” cell near the end, forming a vertically arranged pair.","membership":"Include this newly distinct lower cell’s circular surface, boundary, and internal name. Exclude the upper green cell, overlapping pink cells, and external triangular indicators.","id":"obj_016","temporal":{"status":"found","start_s":6.25,"end_s":7.0,"reference_s":6.5,"evidence":"目标是末段与原有上方“格局太小”绿球组成纵向一对的新下方绿球。6.00秒仅见一个大绿球；6.25秒下方绿球已独立呈现，圆形表面、边界和内部名称完整，首次符合条件。最后符合帧为6.75秒，目标仍完整可见，故区间延至视频结束7.00秒，之后无采样帧。选择6.50秒为关键帧，下方绿球轮廓清楚，易与上方绿球及周围粉球区分。","start_frame":150,"end_frame":168,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[438.5,426.9,561.5,648.1],"positive_points":[[500.5,452.8],[461.5,494.4],[541.7,500.9],[496.4,538.0],[466.1,584.3],[528.6,603.7]],"negative_points":[[498.4,297.2],[413.0,650.0],[500.0,677.8],[599.0,572.2]],"evidence":"目标是画面中央上下排列的两个绿色“格局太小”细胞中的下方细胞。边界框紧贴该细胞的圆形可见轮廓，包含绿色表面及内部名称。六个正点分布于其上部、左右及下部表面和名称区域；负点分别位于上方绿色细胞、左下粉色细胞、下方三角指示物和右侧蓝色细胞，排除这些非目标对象。"}}]}
+{"video_id":88,"video_type":"2D games","targets":[{"name":"Three-input OR level title","description":"The red title “三路或门” centered along the top of the circuit editor.","membership":"Include only the title characters; exclude the toolbar background and adjacent controls.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":9.25,"evidence":"目标是电路编辑器顶部居中的红色标题“三路或门”，仅包含文字。0.00秒首帧已完整显示，之前无采样帧；最后符合条件的帧为17.75秒。紧邻的18.00秒切换为关卡地图，标题消失。选择9.25秒作为关键帧，标题清晰完整、无遮挡，便于单独标注字符范围。","start_frame":0,"end_frame":432,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[462.4,11.1,538.2,41.7],"positive_points":[[470.5,15.7],[472.2,36.1],[483.2,28.7],[492.5,38.0],[514.5,34.3],[536.5,25.9]],"negative_points":[[448.5,27.8],[554.4,27.8],[500.0,50.0],[157.4,27.8]],"evidence":"目标是顶部中央的红色“三路或门”标题，边界框紧贴四个标题字符。六个正点分布在字符笔画上；负点位于标题左右及下方的工具栏背景和左侧独立控件上，均不包含标题内容。"}},{"name":"Simulation controls and clock","description":"The upper-left clock readout and adjacent controls for zooming, stepping, running, resetting, selecting, and deleting in the OR demonstration.","membership":"Include the clock panel and the individual control button surfaces, borders, icons, and values. Exclude the spaces between separate controls and the input/output status panel below.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":9.25,"evidence":"目标是或门演示左上角的时钟读数面板及相邻的缩放、单步、运行、复位、选择和删除按钮，不含下方输入/输出状态面板。首个合格帧为0秒，结构已完整；视频起点前无采样帧。最后合格帧为17.75秒，18秒切换到关卡地图，目标消失。选择9.25秒作为关键帧，各按钮及读数清晰完整，无提示框遮挡。","start_frame":0,"end_frame":432,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[5.8,68.5,200.8,268.5],"positive_points":[[63.7,99.1],[149.9,82.4],[185.2,127.8],[149.9,183.3],[149.9,244.4],[185.2,244.4]],"negative_points":[[64.2,195.4],[63.7,367.6],[226.3,182.4],[93.8,29.6]],"evidence":"目标为左上角时钟读数面板及其右侧的缩放、单步、运行、停止/重置、选择和删除按钮。包围框覆盖时钟面板与全部独立按钮；正点分布于面板读数区和代表性按钮表面。负点位于排除的输入/输出状态面板、右侧画布背景及顶部工具栏，控件之间的空隙不属于目标。"}},{"name":"OR-level input and output status panel","description":"The tall dark panel at the left with three “输入” indicators and one “输出” indicator, changing from red to green during testing.","membership":"Include the panel surface, boundary, labels, and four status indicators. Exclude adjacent simulation controls and the circuit terminals on the workspace.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":11.25,"evidence":"目标是或门关卡左侧的深色竖向状态面板，包含三个“输入”和一个“输出”标签及四个红/绿指示灯，不含右侧仿真控件。首个合格帧为0.00秒，面板已完整建立；最后合格帧为17.75秒，18.00秒切换为关卡地图，面板消失。区间起点即视频开头，无更早帧。11.25秒面板完整且无遮挡，四个指示灯��为绿色，适合作为空间标注关键帧。","start_frame":0,"end_frame":432,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[6.4,134.3,131.4,506.5],"positive_points":[[64.2,194.4],[64.2,282.4],[64.2,371.3],[64.2,457.4],[22.6,230.6],[108.2,410.2]],"negative_points":[[150.5,184.3],[66.6,94.4],[309,429.6],[173.6,387]],"evidence":"目标是左侧包含三个“输入”和一个“输出”的深色竖向状态面板。边界框紧贴面板外缘，包含面板表面、标签和四个绿色指示灯；正点分布在四个指示灯及面板表面，负点位于上方计时区、右侧仿真按钮、工作区电路端子及外部背景。"}},{"name":"Logic component palette","description":"The upper-right row of component buttons labeled “XOR”, “NOR”, “NAND”, “OR”, “AND”, “N”, “ON”, and “OFF” during the OR-level demonstration.","membership":"Include each button’s surface, border, gate symbol, label, and connection dots. Exclude intervening workspace, hover tooltips, and cursor highlights.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":9.25,"evidence":"目标是或门关卡右上角的 XOR、NOR、NAND、OR、AND、N、ON、OFF 八个元件按钮。首个合格帧为 0.00 秒，按钮栏已建立，左侧部分仅被悬浮提示遮挡，0.25 秒可见完整八按钮；最后合格帧为 17.75 秒。视频起点之前无采样帧，紧邻的 18.00 秒已切换到关卡地图，按钮栏消失。选择 9.25 秒作关键帧，八个按钮完整清晰，无提示框或光标遮挡。","start_frame":0,"end_frame":432,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[707.2,67.6,998.3,121.3],"positive_points":[[722.8,92.6],[760.4,105.6],[797.5,79.6],[871.5,96.3],[944.4,94.4],[982.1,105.6]],"negative_points":[[690.4,94.4],[747.7,154.6],[874.4,156.5],[973.4,158.3]],"evidence":"目标是右上角从“XOR”到“OFF”的八个逻辑组件按钮。边界框紧贴整排按钮的可见外缘；正点分布在不同按钮的表面、符号和标签处，负点位于按钮行左侧及下方的外部工作区，不包含按钮间隙或光标高亮。"}},{"name":"OR gate explanation tooltip","description":"The black tooltip initially beneath the component palette, headed “或门” and showing a two-input truth table with red and green indicators.","membership":"Include the entire tooltip surface, boundary, explanatory text, row labels, and truth-table indicators. Exclude the palette button above it.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"0.00秒帧中，元件栏下方的黑色提示框已完整显示，标题为“或门”，包含说明文字、输入1/输入2及输出行和红绿真值表指示点，与目标一致。首个和最后一个合格帧均为0.00秒；视频起点之前无采样帧，紧邻的0.25秒帧中该提示框已消失。选择0.00秒作为关键帧，因为提示框完整清晰且无遮挡。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[685.2,65.7,816.6,212],"positive_points":[[697,82],[752,84],[714,107],[778,132],[750,184],[804,197]],"negative_points":[[834,94],[871,94],[664,139],[752,240]],"evidence":"目标是右上方标题为“或门”的黑色说明浮窗，内含说明文字及红绿圆点组成的两输入真值表。框覆盖整个浮窗表面和边界；正点分布于标题、文字、真值表及黑色面板，负点位于右侧OR、AND按钮和浮窗外的蓝色背景。"}},{"name":"Three-input OR circuit diagram","description":"The central circuit demonstration, beginning with three vertically stacked input terminals on the left and one output terminal on the right. Two blue OR gates and orange wires are added, and green signals later travel through the completed circuit.","membership":"Include the three input terminals, output terminal, placed gates, their connection ports, all attached circuit wires, and signal marks traveling along those wires. Follow the actual component and wire outlines rather than enclosing the surrounding workspace. Exclude the cursor, transient selection halos, palette, and truth table.","id":"obj_006","temporal":{"status":"found","start_s":9.0,"end_s":18.0,"reference_s":11.25,"evidence":"目标为三个左侧输入端、两个蓝色OR门及右侧输出端组成的电路，包含橙色连线和绿色信号。9.00秒首次完成全部连接；前一帧8.75秒通向输出端的导线仍未接好。最后 qualifying 帧为17.75秒，电路虽被完成面板部分遮挡，但可确认持续存在；18.00秒切换为关卡地图，电路消失。选择11.25秒作为关键帧，此时完整电路无遮挡，绿色信号清楚可见。","start_frame":216,"end_frame":432,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[294,407,707,595],"positive_points":[[307,431],[308,502],[307,571],[372,453],[445,524],[693,500]],"negative_points":[[445,398],[548,472],[426,640],[698,819]],"evidence":"中央三个纵向输入端经两个蓝色 OR 门及橙色连线连接���右侧输出端，符合目标。边界框覆盖端子、门体、连接端口、全部导线和沿线绿色信号，不含外围光晕及工作区。六个正点分布在三个输入端、两个门体和输出端；负点位于光标、线路外背景及下方真值表。"}},{"name":"First placed OR gate","description":"The blue two-input gate labeled “OR” first dragged into the workspace and placed beside the upper two input terminals. Its output feeds the other OR gate.","membership":"Include the blue gate body, its outline, “OR” label, two input ports, and output port throughout dragging and placement. Exclude connected wire lengths, other terminals, and cursor effects.","id":"obj_007","temporal":{"status":"found","start_s":0.25,"end_s":18.0,"reference_s":9.25,"evidence":"目标是最先拖入工作区的蓝色“OR”门，随后位于上方两个输入端旁，输出连接第二个OR门。首个合格帧为0.25秒，门体、标签和三个端口已完整出现；此前0.00秒仅在工具栏中选取OR门，工作区尚无该门。最后合格帧为17.75秒，期间结算面板的局部遮挡不改变其身份；18.00秒已切换关卡地图，该门消失。选择9.25秒作为关键帧，目标完整清晰，且与第二个OR门易于区分。","start_frame":6,"end_frame":432,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[347.8,419.4,404.5,488.0],"positive_points":[[365.2,432.4],[376.7,472.2],[369.2,451.9],[352.4,429.6],[352.4,476.9],[398.1,453.7]],"negative_points":[[335.6,429.6],[413.8,479.6],[445.6,523.1],[307.9,500.9]],"evidence":"目标是工作区中靠近上方两个输入端子的左侧OR门，其输出连接右下方的另一OR门。边界框覆盖蓝色门体、轮廓、OR文字及三个端口。正点分布在门体、文字和端口上；负点位于外接导线、另一OR门及独立输入端子上，排除这些非目标对象。"}},{"name":"OR-level truth table","description":"The lower comparison table labeled “输入 1”, “输入 2”, “输入 3”, “预期输出”, and “当前输出”. Its expected output is red only for the all-red input combination, and its current-output row fills during testing.","membership":"Include the row labels and their red and green value symbols, including the current-output values as they appear. Exclude the surrounding bottom panel, the moving orange column highlight, and recording watermarks.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":11.5,"evidence":"目标是下方含“输入1/2/3、预期输出、当前输出”的或门真值表，预期输出仅第一列为红色。首个合格帧为0.00秒，已完整呈现，之前无采样帧；最后合格帧为17.75秒，期间被通关弹窗部分遮挡但仍为同一表格。18.00秒切换至关卡地图，表格消失。选择11.50秒作为关键帧，五行标签及测试填满的当前输出值均清楚可见，无弹窗遮挡；橙色列高亮不属于目标。","start_frame":0,"end_frame":432,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[375,747,708,989],"positive_points":[[463.5,765.7],[493.1,819.4],[639.5,872.2],[415.5,917.6],[410.9,969.4],[698.5,973.1]],"negative_points":[[347.2,863.9],[740.7,859.3],[446.8,523.1],[699.1,946.3]],"evidence":"目标是下方含“输入1、输入2、输入3、预期输出、当前输出”的五行真值表，预期输出仅第一列为红色。边界框覆盖全部行标签及红绿数值符号；正点分布在标签笔画和各行符号上。负点位于表外底板、上方电路及明确排除的橙色列高亮上，不包含水印。"}},{"name":"Second placed OR gate","description":"The second blue “OR” gate, placed lower and to the right of the first. It combines the first gate’s result with the bottom input before feeding the output terminal.","membership":"Include the gate body, outline, label, two input ports, and output port. Exclude attached wire lengths, the first gate, and cursor highlights.","id":"obj_009","temporal":{"status":"found","start_s":1.5,"end_s":18.0,"reference_s":9.25,"evidence":"目标是第一枚或门右下方的第二枚蓝色 OR 门，接收第一枚门的结果及最下方输入，再连接输出端。1.50 秒首次出现完整门体（与第一枚门重叠），1.25 秒仅有第一枚门；此后第二枚门移至右下方，期间被完成面板遮挡，面板移动后可确认仍在原处。最后 qualifying 帧为 17.75 秒，18.00 秒已切换为关卡地图，目标消失。选择 9.25 秒作为关键帧，此时门体、标签及三个端口清晰，连接关系明确且无遮挡。","start_frame":36,"end_frame":432,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[420.7,489.8,477.4,559.3],"positive_points":[[426.5,501],[426.5,547.5],[471.2,524],[440.5,508],[446,525],[442.5,545]],"negative_points":[[373,453],[540,524],[378,571],[477,589]],"evidence":"目标是第一枚门右下方、连接底部输入并向右输出的第二枚蓝色 OR 门。框覆盖门体、轮廓、OR 标签、两个输入端口和输出端口，不含��伸导线。六个正点分布在门体、标签及三个端口；负点位于第一枚门、外部导线和右下方背景，避开光标高亮。"}},{"name":"OR-level completion dialog","description":"The movable dark dialog that appears after successful testing, showing “解锁内容”, an unlocked OR component, “关卡小结”, the level “三路或门”, a green check, “关卡完成”, and “继续”.","membership":"Include the complete dialog surface, border, title strip, close button, unlocked-component icon, summary text, success graphic, and continuation button. Exclude the circuit behind it and any tooltip extending outside the dialog.","id":"obj_010","temporal":{"status":"found","start_s":11.75,"end_s":18.0,"reference_s":12.0,"evidence":"目标为含“解锁内容”、OR组件图标、“三路或门”关卡小结、绿色勾、“关卡完成”和“继续”的深色完成对话框。11.75秒首次完整出现，移动后持续存在至17.75秒；前一帧11.50秒仅显示测试成功的电路，后一帧18.00秒已切换到关卡地图，对话框消失。选择12.00秒作为关键帧，完整边界及全部内容清晰可见，且无外伸提示框遮挡。","start_frame":282,"end_frame":432,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[396.4,368.5,855.3,885.2],"positive_points":[[475,391],[529,512],[469,757],[760,495],[771,720],[758,830]],"negative_points":[[372,452],[601,303],[892,629],[642,929]],"evidence":"根据“解锁内容”、OR元件、“关卡小结”、绿色对勾及“继续”按钮，确定这是OR关卡完成对话框。边界框紧贴整个弹窗外缘，包含标题条、关闭按钮及左右两部分面板。正点分布于标题条、元件图标、面板表面、成功图形和继续按钮；负点位于弹窗外的电路、上方及右侧背景和底部输出区域。"}},{"name":"Unlocked three-input OR component","description":"The small rounded component button beneath “解锁内容” in the completion dialog, showing a blue “OR” symbol with three input dots. It is hovered to reveal its description.","membership":"Include the complete button surface, boundary, OR symbol, lettering, and connection dots. Exclude surrounding dialog text and the separate tooltip.","id":"obj_011","temporal":{"status":"found","start_s":11.75,"end_s":18.0,"reference_s":12.0,"evidence":"目标是完成对话框“解锁内容”下方的小圆角 OR 按钮，带三个输入点；悬停时出现的“三路或门”提示进一步确认身份，提示框不计入目标。11.75秒首次完整显示，17.75秒仍完整存在；此前11.50秒尚无完成对话框，此后18.00秒已切换到关卡地图，按钮消失。选择12.00秒作为关键帧，按钮清晰完整，无遮挡且未被悬停高亮干扰。","start_frame":282,"end_frame":432,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[512.7,486.1,546.9,539.8],"positive_points":[[516,499],[515.5,512],[519,533],[527,511],[540,492],[542.5,513]],"negative_points":[[529,453],[530,581],[492,511],[564,513]],"evidence":"目标是完成弹窗中“解锁内容”下方的圆角 OR 元件按钮，左侧有三个输入点。边界框紧贴完整按钮，包含表面、边缘、蓝色符号、字母和连接点；正点分布在这些部位，负点位于上下说明文字及左右弹窗背景，不包含周围文字或独立提示框。"}},{"name":"Three-input OR component tooltip","description":"The black tooltip above the unlocked component, reading “三路或门” and “有 3 个输入引脚的或门”.","membership":"Include its dark surface, boundary, and both text lines. Exclude the underlying completion dialog and component button.","id":"obj_012","temporal":{"status":"found","start_s":12.5,"end_s":14.75,"reference_s":13.0,"evidence":"目标是解锁组件按钮上方的黑色提示框，含“三路或门”和“有 3 个输入引脚的或门”两行文字。首个完整呈现帧为12.50秒，最后 qualifying 帧为14.50秒；相邻的12.25秒尚无该提示框，14.75秒提示框已消失。选择13.00秒作为关键帧，提示框边界和文字清晰，无遮挡，易与下方完成对话框及组件按钮区分。","start_frame":300,"end_frame":354,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[463.5,329.6,595.5,475],"positive_points":[[474.5,346.3],[519.7,347.2],[559.6,372.2],[476.9,438],[524.9,452.8],[583.9,419.4]],"negative_points":[[529.5,511.1],[439.2,507.4],[434,303.7],[621.5,388]],"evidence":"目标是解锁组件按钮上方的黑色提示框，含“三路或门”和“有 3 个输入引脚的或门”两行文字。边界框紧贴提示框完整可见外缘；正点分布于文字及深色表面，负点位于下方组件按钮、底层完成对话框和框外背景。"}},{"name":"Level progression network","description":"The progression graphic shown after leaving the completed level: orange branching connections link red locked nodes, yellow available nodes with upward chevrons, and green completed nodes with check marks.","membership":"Include the visible node bodies, their symbols and small badges, connection ports, orange connecting paths, and traveling green signal marks. Follow the actual network outlines and exclude the blue background, dashed section divider, nearby heading, legend, and search control.","id":"obj_013","temporal":{"status":"found","start_s":18.0,"end_s":19.5,"reference_s":18.25,"evidence":"目标为橙色分支路径连接红色锁定、黄色上箭头及绿色勾选节点的关卡进度网络，包含节点徽标、端口及绿色流动信号。首个合格帧为18.00秒，最后为19.25秒；17.75秒仍是关卡完成弹窗，19.50秒已切为黑屏。网络边缘的截取属于该页面的视口展示。选择18.25秒作为关键帧，网络结构清晰且无遮挡；不包含蓝色背景、分区虚线、标题、图例和搜索控件。","start_frame":432,"end_frame":468,"reference_frame":438},"grounding":{"status":"found","bbox_xyxy":[340,0,898,1000],"positive_points":[[383,148],[853,149],[618,333],[500,500],[694,570],[617,972]],"negative_points":[[239,261],[289,312],[196,887],[868,648]],"evidence":"目标是由橙色分支线路连接的红色锁定、黄色可用和绿色完成节点网络。框覆盖全部可见节点、符号、徽标、端口、连线及绿色信号，包括上下边缘被截断的部分。正点分布在不同位置的节点和橙色连线上；负点位于虚线分隔、附近标题、左下图例及右侧蓝色背景，均不属于网络。"}},{"name":"Basic logic circuits heading","description":"The white section heading “基础逻辑电路” to the left of the level progression network.","membership":"Include only the heading characters. Exclude the dashed divider above, the background, and nearby network connections.","id":"obj_014","temporal":{"status":"found","start_s":18.0,"end_s":19.5,"reference_s":18.0,"evidence":"目标是关卡 progression 网络左侧、虚线分隔线下方的白色“基础逻辑电路”标题，仅包含文字。首个合格帧为18.00秒，最后一个为19.25秒，文字均完整可见。前一帧17.75秒仍为关卡完成弹窗；后一帧19.50秒已切换为黑色过渡画面，标题消失。选择18.00秒作为关键帧，标题清晰、无遮挡，易与虚线及网络连线区分。","start_frame":432,"end_frame":468,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[219.9,293.5,360.3,330.6],"positive_points":[[230,299.1],[248,307.4],[277.8,296.3],[295.1,313.9],[325.2,315.7],[343.2,300]],"negative_points":[[238.4,261.1],[289.4,360.2],[383.1,322.2],[200.8,312]],"evidence":"目标是关卡网络左侧的白色标题“基础逻辑电路”。边界框紧贴完整六个汉字，正点分布在各字笔画上；负点位于上方虚线、标题外背景及右侧网络连线上，均不属于标题。"}},{"name":"Level icon color legend","description":"The lower-left legend headed “关卡图标颜色”, pairing colored status boxes with “已通过”, “已解锁”, and a partially visible locked-state row.","membership":"Include the heading, visible colored example boxes and their symbols, and associated explanatory labels. Exclude the background and actual level nodes.","id":"obj_015","temporal":{"status":"found","start_s":18.0,"end_s":19.5,"reference_s":19.0,"evidence":"目标是关卡地图左下角以“关卡图标颜色”为标题的图例，包括绿色勾选框与“已通过”、黄色状态框与“已解锁”，以及部分可见的锁定状态行。首个符合帧为18.0秒，最后为19.25秒；17.75秒仍是关卡完成弹窗，19.5秒已切为黑屏，图例消失。选择19.0秒作为关键帧，图例结构和文字清晰，与实际关卡节点易于区分。","start_frame":432,"end_frame":468,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[182.3,814.8,312,1000],"positive_points":[[300.9,838.9],[195,886.1],[219.3,874.1],[195.6,942.6],[260.4,936.1],[193.9,992.6]],"negative_points":[[162,888.9],[335.6,842.6],[272,777.8],[616.3,825.9]],"evidence":"目标位于左下角，由“关卡图标颜色”标题、绿色已通过示例、黄色已解锁示例及底部截断的红色锁定状态行组成。框覆盖全部可见图例内容并止于图像底边；正点分布在标题、状态色块和说明文字上，负点位于图例外背景及右侧实际关卡节点上。"}},{"name":"Three-input AND node tooltip","description":"The small dark label “三路与门” beneath the upper-left menu while the yellow available level node is hovered.","membership":"Include the tooltip surface, boundary, and text. Exclude the menu icon and progression graph.","id":"obj_016","temporal":{"status":"found","start_s":19.0,"end_s":19.5,"reference_s":19.0,"evidence":"目标是左上角菜单下方写有“三路与门”的深色圆角提示框，对应悬停的黄色可用关卡节点。19.00秒首次完成淡入，19.25秒仍完整显示；前一帧18.75秒提示框仍在淡入、文字偏暗，后一帧19.50秒画面切黑，提示框消失。选择19.00秒作为关键帧，提示框清晰完整且无遮挡。","start_frame":456,"end_frame":468,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[10.4,50,94.9,96.3],"positive_points":[[16.8,59.3],[27.8,79.6],[45.1,69.4],[62.5,80.6],[81,68.5],[88.5,88]],"negative_points":[[25.5,27.8],[105.3,73.1],[50.3,115.7],[383.1,148.1]],"evidence":"目标为左上角菜单下方写有“三路与门”的深色圆角提示标签。边界框紧贴标签表面及外缘，包含全部文字；六个正点分布在文字和标签表面，负点位于上方菜单图标、标签外背景及远处黄色关卡节点，排除菜单与进度图。"}},{"name":"Three-input AND level title","description":"The red title “三路与门” at the top center after entering the next circuit level.","membership":"Include only the title characters, excluding the toolbar surface and neighboring controls.","id":"obj_017","temporal":{"status":"found","start_s":19.75,"end_s":25.0,"reference_s":22.0,"evidence":"目标为进入新关卡后顶部中央的红色标题“三路与门”，仅包含文字。19.75秒首次完整出现，持续至最后采样帧24.75秒；前一帧19.50秒为黑色过渡画面，尚无标题。区间到达视频结尾，无后一帧。选择22.00秒作为关键帧，标题清晰完整且无遮挡。","start_frame":474,"end_frame":600,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[462.4,11.1,538.2,41.7],"positive_points":[[469.9,14.8],[473.4,37],[483.2,27.8],[493.6,33.3],[509.8,25],[536.5,27.8]],"negative_points":[[444.4,25.9],[555.6,25],[498.8,52.8],[499.4,81.5]],"evidence":"图像顶部中央可见红色标题“三路与门”。边界框紧贴四个标题字符，正点分布在各字符的可见笔画上；负点位于标题左右的工具栏底色及下方背景，不包含邻近控件或字符内部空隙。"}},{"name":"AND-level simulation controls and clock","description":"The upper-left clock readout and editing and simulation controls presented again in the newly opened AND level.","membership":"Include the clock panel and each control button’s surface, border, icon, and displayed value. Exclude gaps between controls and the status panel below.","id":"obj_018","temporal":{"status":"found","start_s":19.75,"end_s":25.0,"reference_s":22.0,"evidence":"新打开的“三路与门”关卡左上角可见时钟读数面板及编辑、仿真控制按钮，与下方输入输出状态面板区分。首个合格帧为19.75秒，面板和按钮结构已完整；此前19.50秒为黑屏。最后合格帧为24.75秒，目标持续存在至视频结束，之后无采样帧。选择22.00秒作为关键帧，此时说明弹窗和标题提示已消失，目标清晰且无遮挡。","start_frame":474,"end_frame":600,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[5.8,68.5,200.2,268.5],"positive_points":[[113.4,109.7],[149.1,82.4],[184.7,127.8],[150.0,183.3],[150.1,244.4],[184.8,244.0]],"negative_points":[[64.2,370.4],[232.6,130.6],[108.8,30.6],[236.1,294.4]],"evidence":"目标位于左上角，由显示“时钟刻／每秒刻数：0.0”的时钟面板及旁边的缩放、步进、播放、停止、选择和删除按钮组成。边界框覆盖这些控件的完整可见范围；正点分布在时钟读数与代表性按钮上，负点位于下方输入状态面板、顶部栏及右侧外部背景，不将控件间空隙纳入目标。"}},{"name":"AND-level input and output status panel","description":"The left dark panel in the AND level, containing three red “输入” indicators and a red “输出” indicator.","membership":"Include the complete panel surface, boundary, labels, and status indicators. Exclude the workspace terminals and adjacent controls.","id":"obj_019","temporal":{"status":"found","start_s":19.75,"end_s":25.0,"reference_s":22.0,"evidence":"目标是“三路与门”关卡左侧的深色状态面板，完整包含三个红色“输入”指示器及一个红色“输出”指示器，不含右邻控制按钮和工作区端子。首个合格帧为19.75秒，前一帧19.50秒为黑场；最后合格帧为24.75秒，面板仍完整可见，区间延续至视频结束25.00秒，无后续帧。选择22.00秒作为关键帧，此时关卡说明弹窗已关闭，目标边界及内部标签、指示器清晰无遮挡。","start_frame":474,"end_frame":600,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[6.4,134.3,131.4,506.5],"positive_points":[[64.2,194.4],[63.7,283.3],[64.2,371.3],[64.2,458.3],[24.3,238.9],[112.8,411.1]],"negative_points":[[61.3,96.3],[150.5,243.5],[307.9,429.6],[173.6,370.4]],"evidence":"目标是左侧包含三个“输入”和一个“输出”红色指示灯的深色面板。边框紧贴完整面板，包含面板表面、标签和指示灯；正点分布在四个指示灯及面板表面，负点位于上方时钟区、旁侧控制按钮、工作区端子和外部背景，均不属于目标。"}},{"name":"AND-level logic component palette","description":"The upper-right component-button row presented again in the AND level, with “XOR”, “NOR”, “NAND”, “OR”, “AND”, “N”, “ON”, and “OFF”.","membership":"Include the individual button surfaces, borders, symbols, labels, and connection dots. Exclude the workspace between buttons and any cursor effects.","id":"obj_020","temporal":{"status":"found","start_s":19.75,"end_s":25.0,"reference_s":22.0,"evidence":"目标为“三路与门”关卡右上角的八个元件按钮，依次标有 XOR、NOR、NAND、OR、AND、N、ON、OFF。19.75 秒首次完整出现，之前的 19.50 秒为黑色过渡画面，没有该按钮组；至最后采样帧 24.75 秒仍完整可见，因此区间结束于视频末尾 25.0 秒，无后续帧。选择 22.0 秒作为关键帧，此时说明弹窗已关闭，按钮表面、边框、标签及连接点清晰且无遮挡。","start_frame":474,"end_frame":600,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[707.8,67.6,998.3,121.3],"positive_points":[[724,94],[761,94],[798,94],[871,94],[909,94],[982,94]],"negative_points":[[687,94],[810,155],[925,45],[965,175]],"evidence":"目标为右上角依次标有 XOR、NOR、NAND、OR、AND、N、ON、OFF 的八个元件按钮。边界框紧贴整排按钮的可见外缘；正点分布在不同按钮的表面及标签上，负点位于整排之外的上方背景和下方、左侧工作区，不包含按钮间隙或光标效果。"}},{"name":"AND-level circuit input and output terminals","description":"The new level’s unconnected circuit interface, with three red input terminals vertically aligned on the left and a red output terminal on the right; no gates or wires have yet been placed.","membership":"Include the four terminal bodies, their white directional symbols, and connection dots as the circuit interface. Exclude the empty workspace between them, surrounding glow, and the instruction dialog.","id":"obj_021","temporal":{"status":"found","start_s":21.75,"end_s":25.0,"reference_s":22.0,"evidence":"目标为“三路与门”新关卡中左侧纵向排列的三个红色输入端子和右侧红色输出端子，均带白色方向符号及连接点，尚无门或连线。21.75秒四个端子首次完整可见；前一帧21.50秒说明对话框仍遮挡右侧输出端子。最后合格帧为24.75秒，目标持续到视频结束25.0秒，之后无采样帧。选择22.0秒作为关键帧，四个端子清晰且无遮挡。","start_frame":522,"end_frame":600,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[295.1,406.5,707.2,593.5],"positive_points":[[306,430],[307,501],[307,571],[693,501],[324.5,570.5],[676.5,500.5]],"negative_points":[[500,500],[270,500],[64,370],[870,94]],"evidence":"目标是工作区左侧纵向排列的三个红色输入端子和右侧单个红色输出端子，目前均未连接。边界框覆盖四个端子本体、白色方向符号及连接圆点，不计外围光晕；框内端子之间的空白不属于目标。正点分布在各端子本体及连接点上，负点位于空白工作区、左侧面板图标和顶部AND工具按钮。"}},{"name":"Three-input AND instruction dialog","description":"The dark introductory dialog stating “搭建一个有 3 路输入的与门。” with a red close icon and a “关闭” button.","membership":"Include the entire dialog surface, border, header strip, instruction text, close icon, and bottom button. Exclude the circuit and table behind it.","id":"obj_022","temporal":{"status":"found","start_s":19.75,"end_s":21.75,"reference_s":20.0,"evidence":"目标是写有“搭建一个有 3 路输入的与门。”的深色说明对话框，包含紫色标题条、红色关闭图标及底部“关闭”按钮。19.75 秒首次完整出现，21.50 秒为最后完整可见帧；此前 19.50 秒是黑色过渡画面，之后 21.75 秒对话框已消失，仅剩电路编辑界面。选择 20.00 秒作为关键帧，此时整个对话框清晰完整、无遮挡。","start_frame":474,"end_frame":522,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[405.1,390.7,846.1,862.0],"positive_points":[[549.8,413.9],[829.9,413.9],[626.7,555.6],[447.9,648.1],[792.8,713.0],[630.8,814.8]],"negative_points":[[307.9,500.9],[892.4,601.9],[653.4,921.3],[578.7,314.8]],"evidence":"目标为写有“搭建一个有 3 路输入的与门。”的深色对话框。边界框覆盖整个面板、边框、顶部横条、红色关闭图标及底部“关闭”按钮。正点分布于横条、图标、正文、面板表面和按钮；负点位于框外的电路节点、画布及下方表格。"}},{"name":"AND-level truth table","description":"The lower table in the new level, with rows “输入 1”, “输入 2”, “输入 3”, “预期输出”, and “当前输出”. The expected-output row is green only in the final, all-green input column.","membership":"Include the row labels and associated red and green value symbols, including the empty current-output row label. Exclude the surrounding bottom-panel surface, instruction dialog overlay, cursor, and watermarks.","id":"obj_023","temporal":{"status":"found","start_s":19.75,"end_s":25.0,"reference_s":22.0,"evidence":"根据五行标签及“预期输出”仅最后一列��绿色，识别为新关卡的与门真值表。首个符合帧为19.75秒，表格已建立，但部分内容被说明对话框遮挡；前一帧19.50秒为黑色过渡画面，尚无该表。此表持续至最后采样帧24.75秒，视频于25.0秒结束，无后续帧。选择22.0秒，因对话框已关闭，五行标签和值符号完整清晰。","start_frame":474,"end_frame":600,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[359.4,746.3,692.1,985.2],"positive_points":[[397.0,763.0],[682.5,771.0],[506.0,821.0],[623.0,871.5],[415.0,916.0],[370.0,967.0]],"negative_points":[[323.0,861.0],[739.0,813.0],[522.0,697.0],[798.0,945.0]],"evidence":"目标是底部五行真值表，预期输出行仅最后一列为绿色。框覆盖“输入1/2/3”“预期输出”“当前输出”标签及对应红绿符号。正点分布在行标签和不同列的值符号上；负点位于表外面板、上方画布及右下水印，排除周围表面、光标和水印。"}}]}
+{"video_id":89,"video_type":"2D games","targets":[{"name":"Metro network schematic","description":"The central transit-game diagram, initially showing a red loop connecting circular, triangular, square, cross-shaped, and two star-shaped stations. Trains and small passenger symbols move or update as the red route is shortened and a blue route is added on the right. Pink geographic shapes and a red building silhouette appear above the network.","membership":"Includes the map's geographic shapes, building silhouette, station outlines and enclosed interiors, passenger symbols, route strokes, terminal bars, and moving trains. Includes areas enclosed by closed route loops while those loops exist; open routes remain open. Excludes interface controls, subtitles, watermark, cursor, and temporary selection outlines or station-spawn halos.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":22,"reference_s":1.25,"evidence":"目标为中央地铁网络示意图，包含粉色地理形状、红色建筑、各形状车站、线路、列车及乘客符号。首个合格帧为0.00秒，网络已完整建立；此后红线缩短、右侧新增蓝线，均为同一示意图的持续更新，最后合格帧为21.75秒。区间覆盖视频全长，起点前和终点后均无采样帧。选择1.25秒作为关键帧，此时红色环线及各车站清楚，且无字幕、临时选择外框或明显生成光晕干扰。","start_frame":0,"end_frame":528,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[159.9,0,802.6,842.6],"positive_points":[[320,238],[499,119],[660,165],[470,566],[701,514],[177,811]],"negative_points":[[28,45],[370,948],[699,342],[125,500]],"evidence":"目标为中央地铁网络示意图。边界框覆盖顶部粉色地形、红色建筑、独立三角站及红色闭环线路、各站点、列车和乘客符号。正点分布在两块地形、三角站轮廓、闭环内部、方站内部及十字站；负点位于返回按钮、底部颜色控件、鼠标光标和左侧外部背景，排除这些非地图元素。"}},{"name":"Simulation status and speed controls","description":"The compact upper-right interface showing a passenger total beside a walking-person icon, a Chinese weekday label, an analog clock, and vertically arranged pause, play, and fast-forward controls.","membership":"Includes the counter and its icon, weekday text, clock face and contents, and the three speed-control symbols. Excludes the nearby watermark and the map beneath it.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":22,"reference_s":5,"evidence":"目标是右上角由乘客数字及行人图标、中文星期、模拟时钟和纵向暂停、播放、快进符号组成的界面，不包含附近水印。首帧0.00秒已完整呈现，至最后采样帧21.75秒始终存在；数字、星期及时钟内容变化不影响其连续性。区间覆盖视频全长，起点之前和终点之后均无采样帧。选择5.00秒作为关键帧，各组成部分完整、清晰且无遮挡。","start_frame":0,"end_frame":528,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[876,22,983,198],"positive_points":[[880.2,44.4],[902.1,46.3],[927.6,48.1],[966.1,49.1],[963.5,101.9],[973.4,184.3]],"negative_points":[[833.3,70.4],[906.3,259.3],[854.2,143.5],[992.2,139.8]],"evidence":"目标是右上角的模拟状态与速度控制组。框覆盖人数及行人图标、中文星期、时钟，以及竖排的暂停、播放和快进符号。正点分布在计数、行人、星期、钟面、暂停和快进上；负点位于左侧水印及控件组外围背景，排除水印和地图。"}},{"name":"Train resources and route palette","description":"The bottom control strip containing locomotive and carriage resource icons with counts, followed by red, blue, dark-red, and gray circular route selectors. The blue selector enlarges when the blue route is created.","membership":"Includes the resource icon disks and their contents, associated numerical counts, and all route-selector disks. Excludes the separate gray dot above the strip, subtitles, and surrounding empty background.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":22,"reference_s":0,"evidence":"目标是底部的机车、车厢资源圆盘及数量，和其右侧红、蓝、暗红、灰色线路选择圆盘，不包括上方独立灰点。首帧0.00秒已完整显示，末帧21.75秒仍完整存在；蓝色圆盘变大及资源数量变化不改变该控件组的连续性。区间到达视频首尾，无更早或更晚的采样帧。选择0.00秒作为关键帧，各圆盘与数量清晰且无遮挡。","start_frame":0,"end_frame":528,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[246.9,921.3,710.4,976.9],"positive_points":[[261.8,949.3],[309.8,948.5],[370.6,946.8],[407.5,949.1],[444.4,948.7],[702.1,948.8]],"negative_points":[[499.7,896.3],[225,949.1],[607.3,898.1],[453.1,988.9]],"evidence":"目标位于图像底部：两个资源图标圆盘及数量，后接红、蓝、暗红和一排灰色路线选择圆盘。边界框紧贴整组控件，正点分布在资源圆盘和不同颜色的路线圆盘上；负点位于上方独立灰点及控件外侧空白，不标记圆盘间隙。"}},{"name":"Route-splitting subtitle","description":"A lower-center Chinese subtitle reading “这样的话我就拆开吧”, appearing while the upper-right section of the red route is rearranged.","membership":"Includes the complete subtitle's white characters and black edging. Excludes the underlying map, interface elements, and surrounding background.","id":"obj_004","temporal":{"status":"found","start_s":3.0,"end_s":5.0,"reference_s":4.0,"evidence":"目标为画面下方中央白字黑边的“这样的话我就拆开吧”，与红色路线右上段调整同时出现。首个完整显示帧为3.00秒，最后 qualifying 帧为4.75秒；相邻的2.75秒和5.00秒均无该字幕。选择4.00秒作为关键帧，字幕完整清晰，无遮挡，易于标注。","start_frame":72,"end_frame":120,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[370.3,838,629.2,892.6],"positive_points":[[379.7,882.4],[412.5,872.2],[469.3,867.6],[498.4,858.3],[556.3,872.2],[615.6,866.7]],"negative_points":[[351,861],[648,863],[505,818],[519,948]],"evidence":"图像下方中央可见字幕“这样的话我就拆开吧”。边界框紧贴整行字幕的白色字形及黑色描边；六个正点分散在不同汉字笔画上，负点位于字幕左右、上方背景及下方界面圆点处，排除地图和界面元素。"}},{"name":"Station-removal subtitle","description":"A later lower-center Chinese subtitle reading “这个也摘掉吗”, accompanying the removal of the lower-right circular station from the red route.","membership":"Includes the complete subtitle's white characters and black edging, excluding all underlying graphics and surrounding background.","id":"obj_005","temporal":{"status":"found","start_s":8.0,"end_s":11.0,"reference_s":8.0,"evidence":"目标为画面下方中央白字黑边的中文字幕“这个也摘掉吗”。首个完整显示帧为8.00秒，最后一个 qualifying 帧为10.75秒；此前7.75秒及此后11.00秒均无该字幕。选择8.00秒为关键帧，字幕完整清晰，且未被其他图形遮挡。","start_frame":192,"end_frame":264,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[413.5,838,585,892.6],"positive_points":[[423.4,849.1],[457.8,861.1],[485.4,876.9],[507.8,860.2],[538,866.7],[574,877.8]],"negative_points":[[396,868],[599,868],[499,814],[552,910]],"evidence":"图像下方中央可见字幕“这个也摘掉吗”。边界框紧贴整段字幕，覆盖六个白色汉字及黑色描边；六个正点分布于各字笔画上，四个负点位于字幕左右、上方和下方的外部背景，避开底层图形。"}},{"name":"Abandoning-the-loop subtitle","description":"A lower-center Chinese subtitle reading “那就不要环了吧”, appearing as the red loop is opened and its lower connection is adjusted.","membership":"Includes the complete subtitle's white characters and black edging. Excludes the map, controls, and surrounding background.","id":"obj_006","temporal":{"status":"found","start_s":12.75,"end_s":14.5,"reference_s":13.0,"evidence":"目标为画面下方中央完整显示的白字黑边字幕“那就不要环了吧”。首个 qualifying 帧为12.75秒，最后一帧为14.25秒；此前12.50秒及此后14.50秒均无该字幕。选择13.00秒作为关键帧，文字清晰完整、无遮挡，便于标注。","start_frame":306,"end_frame":348,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[399.5,838,600,891.7],"positive_points":[[411.5,848.1],[440.1,861.1],[470.3,848.1],[500,877.8],[526,850.9],[588,875.9]],"negative_points":[[380.2,870.4],[618.8,868.5],[520.8,810.2],[554.7,949.1]],"evidence":"目标是画面下方中央的字幕“那就不要环了吧”。边框紧贴整行文字，包含白色字形及黑色描边；六个正点分布在不同汉字的笔画上，负点位于字幕外的背景及底部独立控件上。"}},{"name":"Open-route confirmation subtitle","description":"A subsequent lower-center Chinese subtitle reading “这样不环了”, shown after the blue route is established on the right.","membership":"Includes the complete subtitle's white characters and black edging. Excludes adjacent or underlying map graphics, controls, and background.","id":"obj_007","temporal":{"status":"found","start_s":16.5,"end_s":18.0,"reference_s":17.0,"evidence":"目标为蓝色线路建立后，画面下方中央的白字黑边字幕“这样不环了”。首个完整显示帧为16.50秒，最后一个为17.75秒；相邻的16.25秒和18.00秒帧均无该字幕。选择17.00秒作为关键帧，字幕完整清晰、无遮挡，易与地图图形区分。","start_frame":396,"end_frame":432,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[427.6,838.9,571,892.6],"positive_points":[[437.5,846.3],[463.5,866.7],[479.7,861.1],[498.4,848.1],[522.4,868.5],[558.3,847.2]],"negative_points":[[411.5,865.7],[583.3,865.7],[407.3,948.1],[319.3,809.3]],"evidence":"目标是画面下方中央的“这样不环了”字幕。边界框紧贴完整五字的白色字形及黑色描边；六个正点分布在各字笔画上，负点位于字幕两侧背景、下方蓝色控件及左侧红色线路上。"}}]}
+{"video_id":90,"video_type":"2D games","targets":[{"name":"Loading carrot emblem","description":"Large glossy orange carrot with three bright green leaves, centered on the initial loading screen.","membership":"Includes the carrot root and leaves. Excludes the surrounding ornamental curls, background, and loading text.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"0.00秒的初始加载画面中央可见完整的高光橙色胡萝卜根部和三片亮绿色叶子，与目标一致，不含周围卷曲装饰及加载文字。首个和最后一个符合条件的采样帧均为0.00秒；该帧位于视频起点，没有更早帧。紧邻的0.25秒已切换为游戏画面，加载胡萝卜徽标消失。选择0.00秒作为关键帧，目标完整清晰且无遮挡。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[420,340,588,670],"positive_points":[[448,430],[498,399],[564,492],[452,528],[527,574],[491,628]],"negative_points":[[431,367],[430,657],[465,745],[633,499]],"evidence":"目标是画面中央的橙色胡萝卜及三片亮绿色叶子。边界框紧贴根部和叶片，不含周围装饰卷纹及下方文字。六个正点分布在三片叶子和橙色根部；负点位于外围卷纹、LOADING文字和右侧背景。"}},{"name":"Loading text","description":"The white word “LOADING” beneath the initial carrot emblem.","membership":"Includes only the lettering, excluding the carrot graphic and background.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"0.00秒画面中，胡萝卜徽标下方完整显示白色“LOADING”字样，仅该 lettering 为目标。首个和最后一个合格采样帧均为0.00秒；该帧位于视频起点，没有更早帧。紧邻的0.25秒帧已切换到游戏倒计时画面，目标消失。选择0.00秒作为关键帧，文字完整清晰且无遮挡。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[447.8,721.7,544.4,760.7],"positive_points":[[450.7,741.2],[462.9,739.3],[480.5,731.4],[492.2,740.2],[516.6,739.3],[532.7,742.2]],"negative_points":[[493.2,605.5],[419.4,741.2],[568.4,741.2],[493.2,804.7]],"evidence":"目标是胡萝卜徽标下方的白色“LOADING”。边界框紧贴整段文字，正点分布在不同字母的实际笔画上；负点位于上方胡萝卜图案及文字左右、下方的外部背景，不包含字母内部空隙。"}},{"name":"Game status and control bar","description":"Teal horizontal panel across the top of gameplay, containing the carrot-coin balance, wave counter, speed control, pause/play control, and menu button. Its central display also shows “暂停中” when paused.","membership":"Includes the panel surface, outer boundary, counters, labels, and embedded controls. Excludes the watermark and gameplay below.","id":"obj_003","temporal":{"status":"found","start_s":0.25,"end_s":16.0,"reference_s":3.5,"evidence":"目标是 gameplay 顶部的青绿色横向状态控制栏，包含金币余额、波次、速度、暂停/播放和菜单按钮。0.25秒首个游戏画面中面板及边界已完整建立，持续至最后采样帧15.75秒；暂停文字和计数变化不影响面板连续性。此前0.00秒为加载画面，没有该栏；区间到达视频结尾，无后续帧。选择3.50秒作为关键帧，控制栏清晰完整，各项控件易于辨认。","start_frame":6,"end_frame":384,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[178,52,822,151],"positive_points":[[208,94],[334,117],[482,96],[646,94],[722,94],[778,94]],"negative_points":[[98,100],[390,210],[488,215],[900,73]],"evidence":"目标是游戏顶部的青绿色状态与控制栏，包含金币余额、波次显示、速度、暂停和菜单控件。边界框覆盖整条面板的可见表面及外缘；正点分布于面板底色和各主要控件，负点位于左侧背景、下方游戏区域及右上角水印，均不属于面板。"}},{"name":"Enemy route","description":"Connected tan paving slabs forming a descending, stepped route from the upper-left entrance to the carrot near the lower right.","membership":"Includes the complete connected paved surface and its outlined edges, following the route’s bends and concavities. Excludes surrounding sand, obstacles, the entrance sign, and characters standing on the route.","id":"obj_004","temporal":{"status":"found","start_s":0.25,"end_s":16.0,"reference_s":3.5,"evidence":"目标是从左上入口沿阶梯状弯折通向右下胡萝卜的连续棕褐色铺石路面及其描边。首个 qualifying 帧为0.25秒，路面已完整建立，中央虽被倒计时暂时遮挡，但后续确认是同一路线；此前0.00秒仅为加载画面。最后 qualifying 帧为15.75秒，路线仍在，区间延至16.00秒视频末尾，无后续帧。选择3.50秒作为关键帧，倒计时已消失且尚无敌人，路面弯折与边缘清晰。","start_frame":6,"end_frame":384,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[321,279,653,830],"positive_points":[[343,354],[458,349],[514,552],[572,644],[569,782],[616,781]],"negative_points":[[359,269],[440,558],[512,746],[641,744]],"evidence":"目标是从左上入口向右下胡萝卜延伸的连续阶梯状棕黄色铺路。边框覆盖整条道路的可见铺面及描边；六个正点分布在起点、转折段、下降段和终点铺面。负点位于入口标牌、路旁头骨、外部沙地和胡萝卜角色上，均不属于道路。"}},{"name":"Enemy entrance sign","description":"Small pale wooden sign bearing a brown monster-face emblem at the upper-left beginning of the paved route.","membership":"Includes the signboard, emblem, and supporting post. Excludes the paving, nearby cactus, and animated pink direction chevrons.","id":"obj_005","temporal":{"status":"found","start_s":0.25,"end_s":16.0,"reference_s":3.5,"evidence":"目标是铺路左上端带棕色怪兽脸徽记的浅色木牌，包含牌面和支柱，不含粉色箭头。0.25秒首次完整出现，随后持续存在，末帧15.75秒仍可见；期间出怪光效的短暂遮挡不改变其连续性。前一帧0.00秒为加载画面，没有该木牌；区间到达视频末尾，无后续帧。选择3.50秒作为关键帧，牌面、徽记和支柱清晰，无遮挡。","start_frame":6,"end_frame":384,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[326.7,234.4,391.6,325.2],"positive_points":[[347.2,247.1],[379.4,254.9],[335.0,276.4],[360.4,271.5],[373.5,289.1],[359.4,311.5]],"negative_points":[[300.3,335.9],[385.3,323.2],[346.7,356.4],[402.3,236.3]],"evidence":"目标位于铺石路线左上起点，是带棕色怪物脸徽记的浅色木牌。边界框紧贴牌面和下方支柱；正点分布在木板、徽记与支柱上，负点位于附近仙人掌、粉色方向箭头、铺路石及外部沙地，均不属于木牌。"}},{"name":"Carrot to defend","description":"Orange carrot character with green leaves and a face, standing at the lower-right end of the route and swaying during gameplay.","membership":"Includes the complete carrot body, leaves, and facial features. Excludes its ground shadow, adjacent rocks, and the separate health badge.","id":"obj_006","temporal":{"status":"found","start_s":0.25,"end_s":16.0,"reference_s":3.5,"evidence":"目标是路线右下端带绿叶和面孔的橙色胡萝卜，不包括独立生命徽章及地面阴影。首个合格帧为0.25秒，身体、叶片和五官已完整呈现，此后持续可见至最后采样帧15.75秒。前一帧0秒是加载画面，并非该场景中的胡萝卜；区间延伸至视频结尾，之后没有采样帧。选择3.5秒作为关键帧，目标完整清晰，无遮挡，易与附近岩石及生命徽章区分。","start_frame":6,"end_frame":384,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[624,651,678,800],"positive_points":[[634,679],[648,671],[669,695],[640,719],[635,752],[646,778]],"negative_points":[[641,620],[699,674],[634,809],[610,689]],"evidence":"目标是路线右下端带绿叶和面部的橙色胡萝卜。框紧贴完整叶片、身体及面部，不含底部投影、旁边岩石或上方生命徽章。正点分布于叶片、面部和身体，负点位于生命徽章、相邻岩石、地面投影及外部沙地。"}},{"name":"Carrot health badge","description":"Pink rounded badge above the defended carrot, displaying a white heart and “10”.","membership":"Includes the badge boundary, pink interior, heart, and number. Excludes the carrot character and surrounding scenery.","id":"obj_007","temporal":{"status":"found","start_s":0.25,"end_s":16.0,"reference_s":5.5,"evidence":"目标是被保护胡萝卜上方的粉色圆角生命徽章，含白色爱心和“10”。首个合格帧为0.25秒，徽章已完整显示；此前0.00秒是加载画面，没有徽章。此后持续存在，最后合格帧为15.75秒，故区间延伸至视频结束16.00秒，末端之后无采样帧。选择5.50秒作为关键帧，徽章完整清晰、无遮挡，易与胡萝卜及场景区分。","start_frame":6,"end_frame":384,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[615,593,666,647],"positive_points":[[625,604],[620,620],[628,632],[641,618],[653,619],[658,633]],"negative_points":[[650,680],[665,548],[603,625],[571,650]],"evidence":"目标是右下方被守护胡萝卜上方、带白色爱心和“10”的粉色圆角生命徽章。边界框紧贴徽章外缘，涵盖边框、粉色内部、爱心及数字；正点分布于这些内容上，负点位于徽章外的胡萝卜叶、兽骨、沙地和道路上。"}},{"name":"Start countdown dial","description":"Large blue circular overlay in the center of the playfield, counting down through “3”, “2”, and “1” before displaying “GO!”.","membership":"Includes the circular rim, enclosed blue face, changing text, and animated progress arc around the rim. Excludes the obscured route and surrounding scenery.","id":"obj_008","temporal":{"status":"found","start_s":0.25,"end_s":3.5,"reference_s":0.5,"evidence":"目标是场地中央的大型蓝色倒计时圆盘，包含圆形边框、蓝色表盘、倒计时文字及环绕进度弧。首个合格帧为0.25秒，结构已完整显示；最后合格帧为3.25秒，盘内显示“GO!”。紧邻之前的0.00秒是加载画面，没有圆盘；紧邻之后的3.50秒圆盘已消失。选择0.50秒作为关键帧，圆盘轮廓完整、数字“3”和进度弧清晰，无其他前景遮挡。","start_frame":6,"end_frame":84,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[439.5,380.9,562.5,625],"positive_points":[[495,395],[478,450],[503,497],[479,555],[548,470],[508,608]],"negative_points":[[430,550],[578,550],[505,221],[513,669]],"evidence":"中央显示白色“3”的大型蓝色圆盘即开始倒计时。边界框覆盖圆形外缘、蓝色表盘、数字及右侧至底部的动态进度弧；正点分布在这些组成部分上，负点位于周围的头骨、路线地砖和岩石上，排除场景内容。"}},{"name":"First tower purchase menu","description":"Compact floating selection menu opened beside an empty building position above the middle-right bend. It offers a throwing star, bottle, lightning symbol, coiled pile, and mushroom, with prices beneath them.","membership":"Includes the five illustrated purchase buttons and their attached price badges as one compact menu. Excludes the separate build-position plus marker, underlying scenery, and carrot health badge.","id":"obj_009","temporal":{"status":"found","start_s":3.75,"end_s":4.5,"reference_s":4.0,"evidence":"目标是中右侧空建造位旁首次出现的五按钮购买菜单，包含飞镖、瓶子、闪电、盘状堆和蘑菇及各自价格。3.75秒五个按钮与价签已完整出现，虽仍在缩放也符合条件；最后合格帧为4.25秒。此前3.50秒尚无菜单，随后4.50秒菜单消失并出现已购买的塔。选择4.00秒作为关键帧，菜单尺寸较大、五个按钮及价格清晰可辨。","start_frame":90,"end_frame":108,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[447.8,500,720.7,745],"positive_points":[[474,549],[547,548],[620,548],[694,548],[475,677],[476,725]],"negative_points":[[584,443],[640,619],[521,660],[774,552]],"evidence":"根据飞镖、瓶子、闪电、盘绕物和蘑菇五个图标及其价格识别该购买菜单。边界框覆盖五个按钮及附属价格牌；正点分布于各按钮和底部价格牌，负点位于独立加号、胡萝卜生命牌及周围岩石、兽骨，不包含这些元素。"}},{"name":"Coiled-pile defense tower","description":"Small olive-yellow coiled pile on a cream circular base, constructed above the middle-right bend after the first purchase menu closes. It fires small projectiles toward approaching enemies and is later removed.","membership":"Includes the coiled tower and its circular base. Excludes construction or removal smoke, projectiles, selection indicators, and surrounding ground.","id":"obj_010","temporal":{"status":"found","start_s":4.5,"end_s":10.0,"reference_s":5.0,"evidence":"目标是道路中右部弯道上方、带奶油色圆形底座的橄榄黄色盘绕堆状防御塔。4.50秒虽有周围建造烟雾，但塔身和底座已完整可见；此前4.25秒仍是购买菜单，尚无实体塔。最后符合条件的帧为9.75秒，10.00秒塔已被移除，只剩烟雾。选择5.00秒作关键帧，此时塔身与底座清楚完整，没有烟雾遮挡。","start_frame":108,"end_frame":240,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[561.5,409.2,607,480],"positive_points":[[585,422],[580,440],[575,453],[592,453],[568,463],[589,472]],"negative_points":[[550,438],[620,444],[584,497],[583,380]],"evidence":"目标位于画面中右部道路拐弯上方，是奶油色圆形底座上的橄榄黄色盘卷状防御塔。框紧贴塔身及底座的可见外缘；六个正点分布在盘卷顶部���主体和底座上，四个负点位于其外围地面，未包含道路或其他装饰物。"}},{"name":"Leading magenta monster","description":"Bright magenta block-bodied enemy with two tall curled eyestalks, first seen alone just right of the entrance sign. It leads the first group along the upper route toward the first downward bend.","membership":"Includes this monster’s body, eyestalks, eyes, and mouth throughout its movement. Excludes other monsters, spawning light, defeat smoke, and coin rewards.","id":"obj_011","temporal":{"status":"found","start_s":6.5,"end_s":7.5,"reference_s":6.5,"evidence":"目标是入口标牌右侧最先单独出现、带两根高卷曲眼柄的洋红色方块怪物，随后始终领在首组前方。首个完整可见帧为6.50秒，最后合格帧为7.25秒；此前6.25秒仅见生成光效，尚未完整显露，之后7.50秒其所在位置已变为击败烟雾和金币奖励。选择6.50秒作关键帧，因为目标完整清晰且尚无其他怪物干扰。","start_frame":156,"end_frame":180,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[406.3,231.4,444.3,327.1],"positive_points":[[419.4,246.1],[437.5,249.0],[433.6,274.4],[413.1,294.9],[433.6,300.8],[422.9,313.5]],"negative_points":[[360.8,271.5],[465.3,333.0],[452.1,224.6],[562.5,337.9]],"evidence":"目标是入口标牌右侧、上方路线上的亮洋红色怪物。框紧贴其方块身体、两根卷曲眼柄及眼睛和嘴部，不含下方投影。六个正点分布在眼柄、身体和嘴部；四个负点位于入口标牌、右侧道路、外部沙地及右侧兽骨上。"}},{"name":"Second magenta monster","description":"Magenta block-bodied enemy first visible behind the leading monster, nearer the entrance sign while the leader reaches the upper-right corner of the route.","membership":"Includes this individual monster’s complete body and facial features as it follows the leader. Excludes neighboring enemies and transient spawning or defeat effects.","id":"obj_012","temporal":{"status":"found","start_s":7.0,"end_s":8.25,"reference_s":8.0,"evidence":"按出生顺序及移动轨迹识别入口附近、跟随首只敌人的第二只洋红色怪物。6.75秒它仍处于半透明出生显现阶段，7.00秒完整显现；随后沿道路前进，最后合格帧为8.00秒，8.25秒已被击败并由烟雾及金币效果取代。选择8.00秒作为关键帧，此时它位于队列最前方、靠近右侧炮塔，身体和面部清晰且无遮挡。","start_frame":168,"end_frame":198,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[458,344,496,442],"positive_points":[[471,362],[489,364],[464,402],[483,404],[476,425],[463,426]],"negative_points":[[462,299],[528,440],[451,448],[504,351]],"evidence":"目标是三只洋红色怪物中位于中间的一只，跟在右下方领头怪物后面，比领头者更靠近入口标牌。框覆盖其完整块状身体、两根眼柄及面部；六个正点分布在眼柄和身体上，负点位于另外两只怪物及外部路面、沙地上。"}},{"name":"Targeted central horned skull","description":"White animal skull with curled olive-brown horns immediately left of the route’s central lower bend. Later, the red bottle tower directs an orange beam at it, and a green durability bar appears above it.","membership":"Includes the skull and both horns. Excludes nearby loose stones, ground shadow, durability bar, targeting reticle, pink target marker, and attack beam.","id":"obj_013","temporal":{"status":"found","start_s":0.25,"end_s":16.0,"reference_s":9.5,"evidence":"目标是路线中央下方转弯左侧的白色卷角兽骨，后续红瓶塔的橙色光束及绿色耐久条确认其身份。首个合格帧为0.25秒，场景中的兽骨已建立，仅被倒计时局部遮挡；此前0秒为加载画面。最后合格帧为15.75秒，兽骨及双角仍在，视频结束后无采样帧。选择9.5秒作为关键帧，此时目标清晰，无遮挡，也没有光束、耐久条或瞄准标记干扰。","start_frame":6,"end_frame":384,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[399,510,478,595],"positive_points":[[437,561],[462,578],[435,534],[403,548],[413,523],[452,521]],"negative_points":[[403,588],[451,602],[383,557],[515,552]],"evidence":"目标是画面中央偏下、路线转弯处紧邻左侧的白色双角兽 skull（兽颅）。框仅覆盖白色头骨及两只卷曲的橄榄褐色角；正点分布在头骨主体、吻部及双角上，负点位于旁边橙色碎石、下方投影、左侧沙地和右侧道路，排除这些非目标部分。"}},{"name":"Second tower purchase menu","description":"The tower selection menu presented again after the coiled-pile tower is sold, with the same star, bottle, lightning, coiled-pile, and mushroom choices. The bottle is selected in this appearance.","membership":"Includes all five purchase buttons and their attached price badges. Excludes the build-position marker, underlying playfield, and overlapping carrot health badge.","id":"obj_014","temporal":{"status":"found","start_s":10.25,"end_s":10.75,"reference_s":10.25,"evidence":"售出盘绕状塔后，第二次出现含星形、瓶子、闪电、盘绕物和蘑菇五个按钮及价格牌的购买菜单。首个合格帧为10.25秒；10.50秒菜单虽缩小，但五个按钮与价格牌仍完整，故为最后合格帧。此前10.00秒仅见售塔烟雾，尚无菜单；此后10.75秒菜单已消失，瓶子塔已放置。选择10.25秒作为关键帧，菜单尺寸较大、各按钮清晰可辨。","start_frame":246,"end_frame":258,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[447.8,500.9,720.7,744.1],"positive_points":[[475,550],[547,546],[620,551],[693,548],[475,679],[475,726]],"negative_points":[[585,444],[640,622],[570,662],[776,550]],"evidence":"画面中部偏右可见星形、红色瓶子、闪电、盘状物和蘑菇五个购买按钮，瓶子呈突出显示。边界框覆盖五个按钮及其价格牌；正点分布在各按钮和蘑菇价格牌上，负点位于建造位置标记、胡萝卜生命牌、下方道路及右侧骷髅，均不属于菜单。"}},{"name":"Red bottle defense tower","description":"Red bottle-shaped turret bearing a bright flame-like mark on a yellow circular mount, built where the coiled-pile tower previously stood. It rotates to attack the central horned skull and approaching green monsters.","membership":"Includes the bottle, its marking, and the complete yellow mount. Excludes construction smoke, targeting markers, attack beam, and nearby scenery.","id":"obj_015","temporal":{"status":"found","start_s":10.75,"end_s":16.0,"reference_s":11.0,"evidence":"目标是原盘状堆塔位置上的红色瓶形防御塔，带亮色火焰标记和完整黄色圆形底座。10.50秒仍被建造烟雾遮住，仅露出局部；10.75秒瓶身、标记和底座已完整可见，周围残余烟雾不属于目标。此后旋转攻击时持续存在，最后 qualifying 帧为15.75秒，区间延续至视频结束16.00秒，之后无采样帧。选择11.00秒作为关键帧，此时塔直立且无遮挡，形状清楚。","start_frame":258,"end_frame":384,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[565,403,606.5,484],"positive_points":[[584,414],[580,440],[584,456],[583,473],[571,443],[596,446]],"negative_points":[[620,444],[549,338],[516,446],[444,462]],"evidence":"目标位于画面中央偏右，是黄色圆形底座上的红色瓶状防御塔，瓶身带明亮火焰标记。边界框覆盖完整瓶体、标记及黄色底座；六个正点分布于瓶口、瓶身、标记和底座两侧，负点位于外围沙地、上方骷髅、左侧道路及粉色定位标记上。"}},{"name":"Bottle tower attack beam","description":"Thin glowing orange beam extending diagonally from the red bottle turret to the horned skull on its lower left during the obstacle attack.","membership":"Includes only the visible luminous beam from the turret muzzle to its impact point. Excludes the tower, skull, targeting rings, and durability bar.","id":"obj_016","temporal":{"status":"found","start_s":11.5,"end_s":14.75,"reference_s":12.0,"evidence":"目标是红色瓶子炮塔炮口斜向左下方角状头骨发射的细橙色发光束，不包括炮塔、头骨、瞄准环或耐久条。首个完整可见帧为11.50秒，最后一个为14.50秒；前邻帧11.25秒尚无光束，后邻帧14.75秒光束已消失。选择12.00秒作为关键帧，此时光束从炮口到命中点清晰可辨、无遮挡。","start_frame":276,"end_frame":354,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[458,454,572,551],"positive_points":[[470,535],[487,522],[504,509],[522,495],[542,481],[560,467]],"negative_points":[[585,439],[439,556],[444,510],[513,451]],"evidence":"目标是红色瓶子炮塔向左下方角骷髅发出的橙色发光细束。边界框紧贴炮口至命中位置之间的可见光束；六个正点沿光束分散放置，负点位于炮塔、骷髅、耐久条及光束外的背景，排除这些非目标内容。"}},{"name":"Leading green monster","description":"Lime-green upright enemy with raised side arms, large dark eyes, and a red rectangular mouth, first emerging at the entrance after the wave counter changes to “02”. It leads the green group around the upper route.","membership":"Includes this individual monster’s full body, arms, eyes, and mouth. Excludes other green monsters, spawning glow, attack effects, defeat smoke, and reward badges.","id":"obj_017","temporal":{"status":"found","start_s":14.0,"end_s":15.0,"reference_s":14.0,"evidence":"目标是波次变为“02”后最先出现的浅绿色怪物，具有举起的双臂、深色大眼和红色矩形嘴，并始终走在绿色队伍最前方。首个完整呈现帧为14.00秒，最后合格帧为14.75秒；此前13.75秒仍被出生光效遮挡，身体尚未完整显现，之后15.00秒该个体已被击败烟雾和奖励标记取代。选择14.00秒作为关键帧，此时全身清楚且尚无其他绿色怪物干扰。","start_frame":336,"end_frame":360,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[384.8,228.5,431.2,329.1],"positive_points":[[401.9,240.2],[417.5,240.7],[389.6,258.8],[426.8,261.7],[410.6,277.3],[408.2,310.5]],"negative_points":[[361.8,273.4],[359.9,209.0],[455.6,338.9],[443.4,250.0]],"evidence":"目标位于上方入口标牌右侧，是有举起双臂、深色大眼和红色矩形嘴的亮绿色怪物。边界框紧贴其完整身体、双臂及五官；六个正点分布在双眼、双臂、嘴和下部躯干，负点位于旁边的入口标牌、仙人掌、道路和沙地，避开目标及攻击效果。"}},{"name":"Second green monster","description":"Lime-green enemy first emerging behind the leading green monster, then following it along the upper horizontal paving while the leader turns downward.","membership":"Includes this individual monster’s complete silhouette and facial features throughout its movement. Excludes neighboring enemies, entrance effects, and defeat or reward overlays.","id":"obj_018","temporal":{"status":"found","start_s":14.5,"end_s":15.0,"reference_s":14.5,"evidence":"目标是紧随首只绿色怪物、沿上方横向铺路前进的第二只 lime-green 怪物。14.25秒其位置仍为入口发光效果；14.5秒完整轮廓和面部已显现，14.75秒仍完整可见，位于已向下转弯的领头怪物后方。15.0秒该个体被击败烟雾及奖励覆盖替代，故最后合格帧为14.75秒。选择14.5秒作为关键帧，此时目标与领头怪物分离清楚、无遮挡。","start_frame":348,"end_frame":360,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[399.9,228.5,446.3,330.1],"positive_points":[[424,246],[406,262],[440,261],[426,279],[416,308],[434,316]],"negative_points":[[473,323],[359,273],[391,345],[421,204]],"evidence":"目标是入口右侧、位于领头怪物左后方的第二只绿色怪物。边界框覆盖其头部、双臂、身体及面部，不含脚下阴影。正点分布在头、手臂、嘴和躯干；负点位于右侧领头怪物、左侧入口标志、下方铺路及上方沙地。"}}]}
+{"video_id":91,"video_type":"2D games","targets":[{"name":"Stock pile","description":"The face-down draw deck at the upper left, with dark blue patterned backs and gold diamond emblems. Cards are dealt and drawn from it.","membership":"Includes the visible cards belonging to the stock and their card edges. Excludes cards after they detach, cast shadows, the cursor, and the green table.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":26,"reference_s":2.25,"evidence":"目标是左上方深蓝色花纹、金色菱形徽记的背面抽牌堆，包含仍属于牌堆的卡牌边缘，不包含已分离的牌及阴影。首个合格帧为0.00秒，最后为25.75秒；期间发牌和抽牌改变牌堆内容，但牌堆始终存在且结构完整。区间到达视频首尾，边界之外均无采样帧。选择2.25秒作为关键帧，此时牌堆清晰完整，附近没有正在分离的卡牌，便于标注。","start_frame":0,"end_frame":624,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[125.5,129.6,203.1,323.1],"positive_points":[[135.4,149.1],[190.1,151.9],[164.6,226.9],[134.4,295.4],[194.3,296.3],[144.3,234.3]],"negative_points":[[213.5,314.8],[271.9,217.6],[112,218.5],[164.1,458.3]],"evidence":"目标是左上方深蓝色花纹、中央带金色菱形的背面朝上抽牌堆。边界框紧贴可见牌面与叠牌边缘，不含投影。六个正点分布在牌背上部、中央和下部；负点位于右侧投影、空牌位、左侧绿桌面及下方方块A上。"}},{"name":"Waste pile","description":"The draw-card area immediately right of the stock. Initially empty, it displays drawn cards and later a horizontally overlapping fan.","membership":"Includes the outlined waste slot and the cards currently resting in it, including exposed portions of underlying cards. Excludes detached cards, floating inventory tooltips, shadows, and interaction highlights.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":26,"reference_s":12.75,"evidence":"目标是左上方牌库右侧的废牌区，包含空槽轮廓及其中横向重叠的已抽牌，不含飞离的牌、提示框和阴影。首个采样帧0.00秒已有完整空槽，之后牌面及数量变化不改变该区域的身份；末个采样帧25.75秒仍然存在。区间覆盖视频全长，两端均无额外相邻帧。选择12.75秒作为关键帧，此时废牌扇形排列清楚，无浮动提示框或移动牌遮挡。","start_frame":0,"end_frame":624,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[237.5,129.6,382.8,321.3],"positive_points":[[246.4,174.1],[263.5,238.0],[280.7,183.3],[298.4,246.3],[335.9,223.1],[369.3,294.4]],"negative_points":[[166.7,222.2],[500.0,225.9],[276.0,351.9],[312.5,101.9]],"evidence":"目标是牌库右侧横向叠放的废牌堆，最上方为红桃6。边界框覆盖五张牌的全部可见部分，不含阴影。正点分布在各张底牌露出区域及红桃6牌面；负点位于左侧牌库、右侧方块A以及牌堆上下的绿色背景。"}},{"name":"First foundation pile","description":"The leftmost upper foundation slot, initially marked with a pale flag. It receives the ace of diamonds.","membership":"Includes the slot boundary, enclosed surface, flag marker when visible, and cards placed in this foundation. Excludes cards still travelling toward it, shadows, and highlights.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":26,"reference_s":4.25,"evidence":"目标是上方四个基础牌堆中最左侧的一格：起初具有完整浅色边框、内部表面及旗帜标记，随后接收方块A。首个合格帧为0.00秒，末个为25.75秒，期间该牌堆持续存在，放入卡牌不改变其身份。区间覆盖视频首尾，两端均无区间外采样帧。选择4.25秒作为关键帧，此时方块A已落位，牌堆清晰且无遮挡，易与其他基础槽区分。","start_frame":0,"end_frame":624,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[460.9,129.6,539.1,323.1],"positive_points":[[470,150],[526,169],[500,226],[475,281],[529,278],[510,304]],"negative_points":[[445,222],[551,235],[500,355],[611,229]],"evidence":"目标是上方基础牌区最左侧、已放置方块A的牌堆。边界框紧贴该牌堆可见的卡牌轮廓，不含阴影；六个正点分布在牌面各处，四个负点位于周围绿毡及右侧另一基础空槽。"}},{"name":"Second foundation pile","description":"The second upper foundation slot from the left. It is initially empty and later holds the ace of spades.","membership":"Includes the slot boundary, enclosed surface, visible flag marker, and cards resting in this foundation. Excludes detached moving cards, shadows, and highlights.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":26,"reference_s":5.5,"evidence":"目标是上方四个基础牌堆槽中从左数第二个，起初具有完整边框、内部表面和旗标，后来放置黑桃A；牌面变化不改变槽的身份。首个合格帧为0.00秒，最后为25.75秒，整个采样区间持续存在。区间到达视频首尾，两侧均无额外采样帧。选择5.50秒作为关键帧，此时目标为空槽，边框及旗标清楚且无遮挡，易与左侧已放方块A的第一槽区分。","start_frame":0,"end_frame":624,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[571.9,127.8,651,325],"positive_points":[[590,132],[574,205],[606,215],[620,274],[640,177],[629,319]],"negative_points":[[502,225],[720,224],[611,534],[678,361]],"evidence":"目标是上方四个基础牌堆中从左数第二个，即方块A右侧的空槽。边框覆盖该槽的边界、内部绿色表面和旗形标记，不含阴影。六个正点分布在槽边界、内部及旗标上；负点位于左侧方块A、右侧另一空槽、下方红桃10和槽外背景。"}},{"name":"Third foundation pile","description":"The third upper foundation slot from the left. It is initially empty and later holds the ace of clubs.","membership":"Includes the slot boundary, enclosed surface, visible flag marker, and cards resting in this foundation. Excludes detached moving cards, shadows, and highlights.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":26,"reference_s":2,"evidence":"目标为上方四个基础牌堆槽中从左数第三个，起初显示完整边框、内部表面和旗帜标记，后来承放梅花A；内容变化不改变槽位身份。首个合格帧为0.00秒，最后为25.75秒，全程持续存在。区间到达视频首尾，两侧均无额外采样帧。选择2.00秒为关键帧，此时该空槽完整清晰、无遮挡，便于区分相邻槽位。","start_frame":0,"end_frame":624,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[684.4,127.8,763.0,325.0],"positive_points":[[688,175],[716,132],[732,209],[709,274],[759,277],[735,317]],"negative_points":[[613,222],[837,228],[724,99],[726,389]],"evidence":"目标是上方四个基础牌槽中从左数第三个空槽。边框紧贴该槽的可见边界，包含内部绿色表面和旗形标记。六个正点分布于槽边界、内部表面及旗标；负点位于左右相邻牌槽、上方背景和下方独立牌叠。"}},{"name":"Fourth foundation slot","description":"The rightmost upper foundation position, which remains an empty pale outlined rectangle with a flag marker.","membership":"Includes the complete slot outline and its enclosed surface and flag marker. Excludes the surrounding table.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":26,"reference_s":5.5,"evidence":"目标是上方四个基础牌位中最右侧的空槽，具有完整的浅色矩形轮廓、内部绿色表面和旗帜标记。它从首个采样帧0.00秒至最后采样帧25.75秒始终完整可见且保持为空，故区间为[0,26)。区间到达视频两端，边界外均无采样帧。选择5.50秒作为关键帧，槽位清晰、无遮挡，易与左侧其他基础牌位区分。","start_frame":0,"end_frame":624,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[796.4,127.8,875,325],"positive_points":[[802.1,141.7],[869.3,157.4],[835.9,213],[811.5,255.6],[854.2,291.7],[822.9,317.6]],"negative_points":[[778,226],[894,241],[834,102],[723,219]],"evidence":"目标是上方最右侧带旗形标记的空基础槽。边界框紧贴完整浅色矩形轮廓，包含槽内表面和旗标。六个正点分布在轮廓、内部表面及旗标上；负点位于槽外桌面和左邻基础槽内。"}},{"name":"First tableau column","description":"The far-left lower card position, initially containing the ace of diamonds. It becomes empty when the ace moves away and later contains the king of spades.","membership":"Includes the tableau slot and cards resting in this column. Follows its current stack extent; excludes detached cards, shadows, and interaction indicators.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":26,"reference_s":2,"evidence":"目标是下方最左侧的第一列牌位，0.00秒已完整显示方块A；A移走后保留空槽，随后同一位置放置黑桃K，列的身份持续不变。首个合格帧为0.00秒，最后为25.75秒，故区间延续至视频结束26.00秒；视频起点前和终点后均无采样帧。选择2.00秒作关键帧，此时该列方块A完整清晰，无遮挡，便于与旁列区分；离列移动的牌不计入该列范围。","start_frame":0,"end_frame":624,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[125.5,369.4,203.1,562],"positive_points":[[135,388],[154,388],[163,464],[140,511],[193,518],[175,543]],"negative_points":[[108,504],[164,240],[275,470],[165,595]],"evidence":"目标是下方最左侧、当前仅放有方块A的第一列。边界框紧贴该牌的可见范围，不含阴影和左侧鼠标指示。六个正点分布于牌面文字、方块图案及牌面空白处；负点位于左侧和下方绿背景、上方牌库及右侧第二列牌面。"}},{"name":"Ace of diamonds","description":"The cream card with red A indices and a large central diamond, initially alone in the first tableau column. It is lifted and moved to the first foundation.","membership":"Includes the complete card face, rounded boundary, indices, and suit marks throughout its movement and placement. Excludes the cursor, shadow, and selection effects.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":26,"reference_s":4.25,"evidence":"目标是奶油色圆角牌面、红色A角标和中央大方块的方块A。0.00秒已完整出现在第一列，3.75秒移向第一个基础牌位，4.00秒起在该牌位持续可见，最后一帧25.75秒仍完整存在。因此区间为[0,26)，视频首尾均无边界外采样帧。选择4.25秒作为关键帧，牌面无遮挡、轮廓清楚，且已与其他牌分离。","start_frame":0,"end_frame":624,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[460.9,129.6,538.5,322.2],"positive_points":[[470,148],[489,148],[500,225],[529,277],[477,290],[520,195]],"negative_points":[[446,225],[553,225],[610,220],[499,529]],"evidence":"目标是画面上方第一基础牌位中的方块A，具有奶油色牌面、红色A角标及中央大方块。边界框紧贴完整圆角卡牌，不含阴影。六个正点分布在角标、方块及牌面上；负点位于左右绿色背景、右侧空牌位和下方黑桃4上。"}},{"name":"Second tableau column","description":"The lower column immediately right of the first, initially showing the five of clubs over one face-down card. It receives the four of diamonds and later shows the four of hearts.","membership":"Includes its slot and the visible surfaces and edges of cards currently resting in the column, including covered-card strips. Excludes detached cards, shadows, and highlights.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":26,"reference_s":2.25,"evidence":"目标是下方从左数第二列，包含槽位及列内牌面和背牌边条：最初为梅花5叠在一张背牌上，随后接收方块4，后期显示红桃4。首个采样帧0.00秒时该列已建立，最后一帧25.75秒仍存在；牌面变化未改变列的身份，游离牌不计入。区间到达视频首尾，没有更早或更晚的相邻采样帧。选择2.25秒作为关键帧，因为该列无遮挡，梅花5及背牌边条清晰可辨。","start_frame":0,"end_frame":624,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[237.5,369.4,315.1,583.3],"positive_points":[[249.5,381.5],[302.6,382.4],[246.9,428.7],[277.1,486.1],[303.6,547.2],[252.1,560.2]],"negative_points":[[165.6,463],[388.5,500],[276,337],[332,489.8]],"evidence":"目标是下方从左数第二列，显示梅花五及其上方一张背面牌的露出窄条。边界框紧贴该列当前可见牌面与边缘，不含阴影。正点分布在背面牌窄条和梅花五牌面；负点位于左右相邻列的牌面及该列外的绿色背景。"}},{"name":"Third tableau column","description":"The lower column initially topped by the two of clubs beneath two blue-backed cards. Later its exposed card is the jack of diamonds.","membership":"Includes its slot and cards currently resting in the column, including exposed portions of overlapping cards. Excludes detached cards, shadows, tooltips, and interaction effects.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":26,"reference_s":5.5,"evidence":"目标是下方从左数第三个牌列，包含槽位及其上叠放的牌；起初为两张蓝背牌下露出梅花2，后期露牌变为方块J。首个合格帧为0.00秒，末个为25.75秒，期间该列持续存在，牌面变化不改变列的身份。区间达到视频首尾，两端均无区间外采样帧。选择5.50秒作为关键帧，该列轮廓清楚，梅花2及上方两张蓝背牌可辨，无游离牌遮挡。","start_frame":0,"end_frame":624,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[349.5,369.4,426.6,603.7],"positive_points":[[363,383],[410,402],[359,435],[386,508],[364,570],[415,582]],"negative_points":[[277,487],[500,525],[388,641],[387,333]],"evidence":"目标是下方从左数第三列，当前露出梅花2，其上方可见两张重叠的蓝色牌背。边界框紧贴该列牌槽与全部可见牌面，不含阴影。正点分布在两段牌背及梅花2牌面上；负点位于左右相邻列和该列上下方的绿色背景。"}},{"name":"Fourth tableau column","description":"The central lower column, initially showing the four of spades beneath three face-down cards. Later it also carries the three of hearts and two of clubs.","membership":"Includes its slot and the visible card stack belonging to this column. Excludes cards moving independently across it, shadows, and interaction indicators.","id":"obj_011","temporal":{"status":"found","start_s":0.0,"end_s":26.0,"reference_s":2.25,"evidence":"目标是下方从左数第四列，起初由三张背面牌和黑桃4组成，后续加入红桃3、梅花2，列的位置与身份持续一致。首个采样帧0.00秒中该列已建立，飞过其上方的独立牌不计入目标；最后采样帧25.75秒仍清楚存在。区间覆盖视频首尾，两端均无额外相邻帧可检查。选择2.25秒为关键帧，此时牌堆清晰、无遮挡，易与相邻列区分。","start_frame":0,"end_frame":624,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[460.9,369.4,539.1,624.1],"positive_points":[[476,382],[524,405],[497,424],[471,455],[500,532],[522,601]],"negative_points":[[388,508],[611,531],[444,493],[502,659]],"evidence":"目标为下方中央第四列，三张背面朝上的牌下露出黑桃4。边界框紧贴该列可见牌叠及其占据的槽位，不含投影。正点分布于三张牌背和黑桃4的上、中、下部；负点位于左右相邻列以及该列左侧、下方的绿色背景。"}},{"name":"Fifth tableau column","description":"The lower column immediately right of center. Its initial exposed card is the ten of hearts; later the four of diamonds and then the seven of clubs are revealed.","membership":"Includes its slot and all cards resting in this column, with the region following the current overlapping stack. Excludes detached cards or sequences, shadows, tooltips, and highlights.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":26,"reference_s":8.0,"evidence":"目标为从左数第五个牌列，位于下方中央偏右；先露出红桃10，随后露出方块4、梅花7，可连续追踪同一牌槽。首个合格帧为0.00秒，牌槽边界已完整建立，发牌及列内牌张变化不改变其身份；最后合格帧为25.75秒，牌列仍在。区间覆盖视频首尾，两端均无区间外相邻帧。选择8.00秒作为关键帧，此时红桃10与黑桃9组成的重叠牌列清晰，且无拖动牌或提示遮挡。","start_frame":0,"end_frame":624,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[572.4,368.5,651,677.8],"positive_points":[[583.3,382.4],[637,403.7],[597.4,442.6],[593.8,470.4],[610.9,577.8],[639.1,650]],"negative_points":[[520.8,509.3],[718.8,546.3],[552.1,555.6],[614.6,717.6]],"evidence":"目标是下方从左数第五列，位于中央偏右，红桃10上叠着黑桃9。边界框覆盖该列槽位及全部重叠牌张，包括顶部露出的背面牌，不含阴影。六个正点分布在背面牌、红桃10和黑桃9上；负点位于相邻的黑桃4、梅花K及列外绿色桌面。"}},{"name":"Sixth tableau column","description":"The second lower column from the right. Its initial exposed card is the king of clubs, which receives the queen of hearts, jack of clubs, and the ten-of-hearts–nine-of-spades sequence.","membership":"Includes its slot and the visible surfaces and boundaries of cards resting in the column. Excludes approaching or detached cards, shadows, instructional tooltips, and placement previews.","id":"obj_013","temporal":{"status":"found","start_s":0,"end_s":26,"reference_s":21.25,"evidence":"目标是下方从右数第二列（第六列），包含列槽及已落入的牌；最初明牌为梅花K，随后依次接入红桃Q、梅花J及红桃10—黑桃9。0.00秒该列空槽已完整可见，后续发牌与叠牌只改变列内内容；最后 qualifying 帧为25.75秒，该列仍存在。区间覆盖视频首尾，两端均无区间外采样帧。选择21.25秒作为关键帧，此时该列牌叠边界清楚，无接近中的牌或放置预览遮挡。","start_frame":0,"end_frame":624,"reference_frame":510},"grounding":{"status":"found","bbox_xyxy":[684.9,369.4,762.5,796.3],"positive_points":[[731.3,424.1],[712.0,490.7],[713.5,525.0],[712.5,556.5],[713.5,589.8],[726.0,702.8]],"negative_points":[[615.6,536.1],[834.4,588.0],[661.5,692.6],[724.0,236.1]],"evidence":"目标是下方从右数第二列，可见背面牌及依次叠放的梅花K、红桃Q、梅花J、红桃10和黑桃9。边界框紧贴整列可见牌面与边缘，不含阴影。六个正点分别覆盖背面牌和五张明牌；负点位于左右相邻列、左下方绿底及上方空牌槽。"}},{"name":"Seventh tableau column","description":"The rightmost lower column, dealt with six face-down cards and an exposed seven of diamonds.","membership":"Includes its slot, the overlapping blue-backed cards, and the exposed seven of diamonds. Excludes cards passing across it, shadows, and interaction effects.","id":"obj_014","temporal":{"status":"found","start_s":2.0,"end_s":26.0,"reference_s":2.25,"evidence":"目标是下方最右侧第七列，包括牌槽、六张重叠蓝背牌及明牌方块7。2.00秒首次完整呈现，前一帧1.75秒仍在发牌，方块7尚未翻出。此列持续存在至最后采样帧25.75秒，因此区间结束于视频末尾26.00秒，之后无帧可检查。选择2.25秒为关键帧，此时整列清晰、无遮挡，易与相邻列区分。","start_frame":48,"end_frame":624,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[796.9,369.4,874.5,686.1],"positive_points":[[809,381],[863,407],[815,467],[808,522],[836,586],[863,658]],"negative_points":[[725,560],[900,550],[836,240],[836,726]],"evidence":"目标是下方最右侧第七列，由六张重叠蓝背牌和正面方块7组成。边界框紧贴整列可见牌叠及牌位范围，不包含阴影。正点分布于上部蓝背牌和下部方块7牌面；负点位于左侧梅花K、上方独立基础牌位及右侧和下方绿背景。"}},{"name":"Game status strip","description":"The compact rounded strip at the upper right displaying “Klondike,” the move count, elapsed time, and score.","membership":"Includes the strip surface, boundary, labels, symbols, and changing values. Excludes the overlaid Bilibili watermark and uploader text.","id":"obj_015","temporal":{"status":"found","start_s":0,"end_s":26,"reference_s":5.5,"evidence":"目标是右上角带圆角边界的游戏状态条，内含“Klondike”、步数、计时和分数，不包括其下方的哔哩哔哩水印及上传者文字。首个合格帧为0.00秒，末个为25.75秒；状态条始终完整可见，数值变化不影响其身份。区间覆盖视频首尾，边界外均无采样帧。选择5.50秒作为关键帧，条面、轮廓及各项信息清晰，便于区分水印并标注。","start_frame":0,"end_frame":624,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[779.2,9.3,993.2,49.1],"positive_points":[[794.3,29.6],[827.6,35.2],[844.8,27.8],[872.1,29.6],[921.4,26.9],[977.1,28.7]],"negative_points":[[756.3,28.7],[858.9,66.7],[938.5,73.1],[963.5,108.3]],"evidence":"目标是右上角显示“Klondike”、步数、计时和得分的圆角状态条。边界框紧贴整条外缘；六个正点分布在条面、标签、符号和数值上。负点位于条外绿色背景、下方上传者文字及 Bilibili 水印，排除这些叠加内容。"}},{"name":"Ten of hearts","description":"The cream card with red 10 indices and a central heart, dealt face-up into the fifth tableau column. The nine of spades is placed beneath it, and both are later moved onto the jack of clubs.","membership":"Includes the ten-of-hearts card itself, including its face, indices, suit marks, and rounded edge. When overlapped, includes only its visible portion; excludes the nine of spades, other cards, shadows, and highlights.","id":"obj_016","temporal":{"status":"found","start_s":0.5,"end_s":26.0,"reference_s":2.25,"evidence":"目标为第五列发出的红色10角标、中央红心的奶油色纸牌；随后黑桃9叠在其下，两张又一起移到梅花J下方，可连续追踪。首个合格帧为0.50秒，前一帧0.25秒第五列仍显示牌背。最后合格帧为25.75秒，红桃10仍在第六列被叠压，露出角标及牌面上缘；区间达到视频末尾，无后续帧。选择2.25秒作为关键帧，此时该牌完整正面可见、无遮挡，易于区分。","start_frame":12,"end_frame":624,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[573.4,451.9,650.5,644.4],"positive_points":[[583.3,470.4],[601.1,470.3],[610.4,538.9],[584.9,584.3],[640.6,600.2],[628.2,626.5]],"negative_points":[[609.4,425.9],[557.3,531.5],[498.4,536.1],[723.4,573.1]],"evidence":"目标是第五列正面朝上的红桃10，红色10角标和中央红桃清晰可见。框紧贴整张可见奶油色牌面及圆角边缘，不含背牌或阴影。六个正点分布于角标、红桃和牌面；负点位于上方背牌、左侧绿背景及相邻黑桃4和梅花K上。"}},{"name":"Nine of spades","description":"The black nine card first drawn into the waste. It is moved beneath the ten of hearts and later travels with that card to the sixth tableau column.","membership":"Includes the card face, rounded boundary, black indices, and spade marks through movement and overlap. Excludes other cards, shadows, cursors, and translucent placement previews.","id":"obj_017","temporal":{"status":"found","start_s":4.75,"end_s":26.0,"reference_s":5.5,"evidence":"4.75秒首次可辨认黑桃9，牌面正翻转但完整牌体已建立；4.50秒前一帧仅见蓝色牌背，尚未显露目标牌面。它随后从废牌堆移至红桃10下方，再随红桃10移入第六列，至最后采样帧25.75秒仍可见，因此区间结束于26.0秒；视频末尾之后无帧。选择5.50秒作为关键帧，此时废牌堆中的黑桃9正面完整清晰，没有其他牌遮挡。","start_frame":114,"end_frame":624,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[237.5,129.6,314.6,322.2],"positive_points":[[246,148],[266,149],[276,226],[305,277],[306,304],[249,283]],"negative_points":[[174,220],[340,225],[276,475],[500,225]],"evidence":"目标是牌堆右侧、上排废牌区中完整露出的黑桃9。边界框紧贴该牌的圆角牌面，包含黑色数字与黑桃图案，不含阴影。六个正点分布在上下角标、中央黑桃及牌面区域；负点位于左侧背牌、右侧绿背景、下方梅花5和右侧方块A上。"}},{"name":"Nine-of-spades placement instruction","description":"A dark instructional tooltip reading “Build down in alternating colors,” displayed while the nine of spades is moved onto the ten of hearts.","membership":"Includes the tooltip panel boundary, backing surface, and complete text. Excludes the cards and their colored placement outlines.","id":"obj_018","temporal":{"status":"found","start_s":7.25,"end_s":7.75,"reference_s":7.25,"evidence":"目标为黑桃9移向红桃10时出现的深色提示框，完整文字为“Build down in alternating colors”。首个和最后一个合格帧分别为7.25秒、7.50秒，面板及文字均完整显示；相邻的7.00秒只有卡牌与放置轮廓，尚无提示框，7.75秒卡牌已放好且提示框消失。选择7.25秒作为关键帧，提示框边界清晰、文字完整且无遮挡。","start_frame":174,"end_frame":186,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[482.8,416.7,642.2,460.2],"positive_points":[[490.6,426.9],[506.8,439.8],[546.9,437.9],[587.0,439.8],[634.4,447.2],[566.7,453.7]],"negative_points":[[562.5,351.9],[507.8,527.8],[562.5,574.1],[625.0,509.3]],"evidence":"目标是九黑桃上方写有“Build down in alternating colors”的深色提示框。边界框紧贴提示框的边缘，包含底色及完整文字；六个正点分布于面板和文字区域，四个负点位于外部绿桌面及下方纸牌上，排除纸牌与彩色放置轮廓。"}},{"name":"Queen of hearts","description":"The red queen card drawn into the waste after the nine of spades. It is dragged onto the king of clubs in the sixth tableau column.","membership":"Includes the queen card’s cream face, rounded edge, Q indices, and heart symbols, or their visible portions when overlapped. Excludes shadows, highlights, the cursor, and other cards.","id":"obj_019","temporal":{"status":"found","start_s":8.5,"end_s":26.0,"reference_s":9.0,"evidence":"目标是九张黑桃之后翻入废牌区的红桃Q，随后在10.25—10.75秒被拖到第六列梅花K下方。首个符合帧为8.50秒，完整牌面正在翻转；前一帧8.25秒仅见抽牌的蓝色牌背，尚未露出目标牌面。此后该牌持续可见，虽被梅花J等牌叠压，红桃Q索引仍露出。最后符合帧为25.75秒，区间延伸至视频结束26.00秒，没有后续帧。选择9.00秒作为关键帧，此时红桃Q在废牌区完整正面显示、无遮挡。","start_frame":204,"end_frame":624,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[237.5,129.6,315.1,322.2],"positive_points":[[247.9,147.2],[265.6,146.3],[277.1,219.4],[249,277.8],[303.1,279.6],[287,304.6]],"negative_points":[[166.7,222.2],[223.4,326.9],[338.5,226.9],[500,226.9]],"evidence":"目标是左上方牌库右侧明示红色Q和红心的皇后牌。边界框紧贴整张奶油色牌面及圆角边缘，不含阴影。六个正点分布于Q标记、红心及牌面；四个负点位于左侧背面牌、下方光标、右侧绿毡和方块A牌上。"}},{"name":"Queen-of-hearts placement instruction","description":"A dark tooltip reading “Build down in alternating colors,” shown above the king-of-clubs column while the queen is being placed.","membership":"Includes the tooltip backing panel, boundary, and text. Excludes the cards, placement preview, and colored outlines.","id":"obj_020","temporal":{"status":"found","start_s":10.5,"end_s":10.75,"reference_s":10.5,"evidence":"10.50秒，梅花K所在列上方出现完整的深色提示框，文字为“Build down in alternating colors”，此时红桃Q正被放置，符合目标描述。首末 qualifying 帧均为10.50秒；���一帧10.25秒仅有牌与放置预览，没有提示框；后一帧10.75秒提示框已开始淡出，故排除。选择10.50秒为关键帧，提示框边界及文字清晰完整。","start_frame":252,"end_frame":258,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[658.3,439.8,818.2,483.3],"positive_points":[[666.7,450.9],[677.1,470.4],[718.8,460.2],[755.2,467.6],[804.7,455.6],[789.1,475.9]],"negative_points":[[739.6,574.1],[609.4,518.5],[833.3,527.8],[664.1,402.8]],"evidence":"目标是国王牌列上方写有“Build down in alternating colors”的深色提示框。边界框紧贴提示框面板及边缘，包含完整文字；正点分布于面板和文字区域，负点位于下方及两侧的纸牌和上方绿色背景，排除放置预览与彩色轮廓。"}},{"name":"First waste inventory tooltip","description":"A small dark tooltip above the fanned waste cards, listing “10♣ 7♠ 3♠ 7♥ 6♥.”","membership":"Includes the tooltip panel and its complete card-list text. Excludes the waste cards beneath it and the surrounding table.","id":"obj_021","temporal":{"status":"found","start_s":14.5,"end_s":15.25,"reference_s":14.75,"evidence":"目标是废牌扇形牌组上方的深色小提示框，完整列出“10♣ 7♠ 3♠ 7♥ 6♥”。首个合格帧为14.50秒，最后为15.00秒；此前14.25秒仍在淡入，面板尚未完整显现，之后15.25秒提示框已消失。选择14.75秒作为关键帧，面板边界及全部文字清晰，无遮挡。","start_frame":348,"end_frame":366,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[296.4,80.6,394.3,124.1],"positive_points":[[302.6,91.7],[315.1,101.9],[334.4,103.7],[359.4,102.8],[384.4,95.4],[375,116.7]],"negative_points":[[335.9,158.3],[285.4,101.9],[405.7,101.9],[346.4,61.1]],"evidence":"目标是扇形废牌上方列出“10♣ 7♠ 3♠ 7♥ 6♥”的深色提示框。边界框紧贴整个面板，包含完整文字；六个正点分布在面板表面和文字处，四个负点位于下方废牌及提示框外的绿色桌面。"}},{"name":"Jack of clubs","description":"The black jack drawn onto the waste fan after the six of hearts. It is dragged beneath the queen of hearts in the sixth tableau column.","membership":"Includes the card’s rounded boundary, cream face, J indices, and club symbols, following its movement and visible overlap. Excludes other cards, shadows, highlights, and the cursor.","id":"obj_022","temporal":{"status":"found","start_s":15.5,"end_s":26.0,"reference_s":16.0,"evidence":"目标是红桃6之后翻到废牌堆的梅花J，随后于17.75秒移向第六列红桃Q下方。首个合格帧为15.50秒，完整卡牌正侧向翻转；前一帧15.25秒尚未出现。末个合格帧25.75秒仍能看到第六列叠牌中的J及梅花标记，视频至26.00秒结束，无后续采样帧。选择16.00秒为关键帧，此时奶油色圆角牌面、J角标及梅花图案清晰且遮挡最少。","start_frame":372,"end_frame":624,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[326.6,137.0,403.6,328.7],"positive_points":[[334.9,154.6],[354.2,155.6],[363.5,232.4],[339.1,271.3],[394.3,312.0],[395.3,203.7]],"negative_points":[[315.1,229.6],[298.4,173.1],[420.8,251.9],[723.4,593.5]],"evidence":"目标是上方废牌扇最前面的梅花J，紧接红桃6。框覆盖其可见圆角牌面、J角标和梅花图案，不含阴影及光标。六个正点分布在角标、梅花和奶油色牌面上；负点位于后方其他牌、右侧绿桌面及第六列的红桃Q上。"}},{"name":"Second waste inventory tooltip","description":"The next separately displayed dark waste-list tooltip, now listing “10♣ 7♠ 3♠ 7♥ 6♥ J♣.”","membership":"Includes the tooltip panel, boundary, and complete text. Excludes the waste fan, cursor, and table.","id":"obj_023","temporal":{"status":"found","start_s":16.25,"end_s":17.75,"reference_s":16.5,"evidence":"目标是废牌扇上方的深色提示框，完整列出“10♣ 7♠ 3♠ 7♥ 6♥ J♣”。首个合格帧为16.25秒，最后为17.50秒；前一帧16.00秒提示框仍在淡入，后一帧17.75秒已消失，J♣正被移往牌列。选择16.50秒作为关键帧，提示框边界和全部文字清晰，无遮挡。","start_frame":390,"end_frame":426,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[305.7,80.6,418.2,124.1],"positive_points":[[312.5,93.5],[329,102],[352,102],[373,102],[400,102],[410,114]],"negative_points":[[364,185],[378,292],[441,103],[357,59]],"evidence":"目标是弃牌扇上方独立显示的深色提示框，文字为“10♣ 7♠ 3♠ 7♥ 6♥ J♣”。边界框紧贴整个面板及其边界，包含完整文字。正点分布在面板表面和文字区域，负点位于下方弃牌、光标及框外桌面上。"}},{"name":"Jack-of-clubs placement instruction","description":"A dark tooltip reading “Build down in alternating colors,” displayed as the jack of clubs is dragged toward the queen of hearts.","membership":"Includes the complete tooltip panel and text. Excludes the moving jack, destination stack, and interaction outlines.","id":"obj_024","temporal":{"status":"found","start_s":17.75,"end_s":18.0,"reference_s":17.75,"evidence":"17.75秒，梅花J被拖向红桃Q时，其上方完整显示深色提示框及“Build down in alternating colors”文字，符合目标描述；这是首个也是最后一个合格采样帧。前一帧17.50秒仅显示废牌堆的牌面列表提示，目标尚未出现；后一帧18.00秒目标提示框已开始淡出。选择17.75秒为关键帧，因为面板和文字清晰完整。","start_frame":426,"end_frame":432,"reference_frame":426},"grounding":{"status":"found","bbox_xyxy":[590.6,384.3,749.5,429.6],"positive_points":[[598.4,394.4],[618.2,406.5],[650.5,405.6],[689.6,406.5],[733.3,405.6],[717.7,420.4]],"negative_points":[[671.9,535.2],[732.3,473.1],[779.2,406.5],[649.5,344.4]],"evidence":"目标是拖动梅花J上方显示“Build down in alternating colors”的深色提示框。边界框覆盖完整提示面板及文字；六个正点分布于面板和文字区域，负点位于移动的J牌、目标牌堆及外部绿色背景，排除了牌面和交互轮廓。"}},{"name":"Four of diamonds","description":"The red four revealed in the fifth tableau column after the ten of hearts and nine of spades are removed. It is then moved beneath the five of clubs in the second column.","membership":"Includes the four-of-diamonds card’s cream face, rounded boundary, red indices, and diamond symbols throughout movement and subsequent overlap. Excludes other cards, shadows, and selection effects.","id":"obj_025","temporal":{"status":"found","start_s":20.25,"end_s":23.75,"reference_s":21.75,"evidence":"目标是第五列移走红桃10和黑桃9后露出的方块4，随后被移到第二列梅花5下方。20.25秒首次完整显示牌面，前一帧20.00秒该位置仍为牌背；23.50秒仍清晰可见，23.75秒开始叠化，目标牌面与后续画面混合，故结束于此。选择21.75秒作为关键帧，此时方块4在第五列完整、清晰且无遮挡。","start_frame":486,"end_frame":570,"reference_frame":522},"grounding":{"status":"found","bbox_xyxy":[576.6,438,654.2,630.6],"positive_points":[[585.9,457.4],[605.2,456.5],[614.6,524.1],[587.5,579.6],[644.3,588],[621.9,615.7]],"negative_points":[[609.4,405.6],[500,531.5],[713,493.5],[616.7,659.3]],"evidence":"目标是第五列底部露出的红色方块4。边界框紧贴整张牌的奶油色牌面及圆角边缘，不含阴影；正点分布在红色数字、方块符号及牌面各处，避开鼠标指针。负点位于上方背面牌、左侧黑桃4、右侧梅花K及下方绿色桌面。"}},{"name":"Four-of-diamonds placement instruction","description":"A dark tooltip reading “Build down in alternating colors,” shown over the left-center tableau while the four of diamonds is placed beneath the five of clubs.","membership":"Includes the tooltip panel surface, boundary, and text. Excludes the cards and placement highlights.","id":"obj_026","temporal":{"status":"found","start_s":23.0,"end_s":23.25,"reference_s":23.0,"evidence":"23.0秒时，方块4正被放到梅花5下方，左中部牌列上方出现完整的深色提示框，文字为“Build down in alternating colors”。首个及最后一个符合条件的采样帧均为23.0秒；前一帧22.75秒只有牌和放置高亮，尚无提示框，后一帧23.25秒提示框已开始淡出。选择23.0秒作为关键帧，因为面板边界和文字清晰完整。","start_frame":552,"end_frame":558,"reference_frame":552},"grounding":{"status":"found","bbox_xyxy":[230.7,386.1,391.1,430.6],"positive_points":[[237.5,401.9],[256.8,413.0],[287.0,403.7],[320.3,413.9],[352.1,405.6],[383.9,417.6]],"negative_points":[[255.2,454.6],[305.7,527.8],[388.5,489.8],[219.8,405.6]],"evidence":"目标是左中部牌列上方写有“Build down in alternating colors”的深色提示框。边界框紧贴提示框整体，包含面板、边界和文字；六个正点分布于面板及文字区域，四个负点位于下方纸牌和左侧绿色背景，排除纸牌与放置高亮。"}},{"name":"Final waste inventory tooltip","description":"The wider dark tooltip above the waste near the end, listing “10♣ 7♠ 3♠ 7♥ K♦ 4♣ 5♠ Q♠ Q♣ K♥ 5♥ 6♠.”","membership":"Includes the complete tooltip panel and its card-list text. Excludes the adjacent foundation cards, waste cards, cursor, and table.","id":"obj_027","temporal":{"status":"found","start_s":25.25,"end_s":26.0,"reference_s":25.5,"evidence":"目标是废牌堆上方的宽深色提示框，完整列出“10♣ 7♠ 3♠ 7♥ K♦ 4♣ 5♠ Q♠ Q♣ K♥ 5♥ 6♠”。首个符合条件的帧为25.25秒，前一帧25.00秒尚无该提示框；最后一帧25.75秒仍完整可见，区间延续至视频结束26.00秒，无后续采样帧。选择25.50秒作为关键帧，因为面板边界和文字清楚且无遮挡。","start_frame":606,"end_frame":624,"reference_frame":612},"grounding":{"status":"found","bbox_xyxy":[309.4,80.6,512,124.1],"positive_points":[[317.7,94.4],[345.8,103.7],[386.5,98.1],[427.1,107.4],[470.8,100.9],[503.1,111.1]],"negative_points":[[416.7,60.2],[394.8,163],[492.2,167.6],[527.1,98.1]],"evidence":"目标是废牌堆上方的深色横向提示框，列出从“10♣”到“6♠”的牌序。边界框紧贴完整面板，包含牌序文字；六个正点分布于面板左右及文字区域，四个负点位于外部桌面、下方废牌和相邻基础牌上。"}}]}
+{"video_id":92,"video_type":"2D games","targets":[{"name":"Product reference panel","description":"The upper-left panel labeled “产 品” displays a miniature target molecule with three orange fire atoms and two gray end atoms. It later collapses to its header as the parts list scrolls.","membership":"Include the panel boundary, header, dark interior, and molecule preview when visible. Exclude the separate reagent panel below and the larger molecule on the workspace.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":24,"reference_s":0.5,"evidence":"目标是左上角标有“产品”的参考面板，包含边框、标题栏、暗色内部及三个橙色火原子和两个灰色端原子的缩略图，不含下方试剂面板或工作区分子。首个合格帧为0.00秒；14.00秒起面板折叠为标题栏，仍是同一面板，持续至最后的23.75秒帧。区间覆盖视频首尾，两端均无界外相邻帧。选择0.50秒作为关键帧，面板完整展开且无遮挡，便于空间标注。","start_frame":0,"end_frame":576,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[4.7,8.3,158.3,224.1],"positive_points":[[83.3,30.6],[9.4,109.3],[36.5,180.6],[79.7,134.3],[122.9,91.7],[130.7,199.1]],"negative_points":[[49,316.7],[112,317.6],[516.7,270.4],[190.6,133.3]],"evidence":"目标是左上角标有“产品”的参考面板，内有三个橙色原子和两个灰色端原子的缩略分子。边界框覆盖面板外框、标题栏和深色预览区；正点分布在标题、边框、内部背景及缩略分子上，负点位于下方独立试剂面板、工作区大分子和外部网格背景。"}},{"name":"Reagent selection panel","description":"The left-side panel labeled “试剂” contains two orange fire-symbol input icons. The right icon is selected and becomes dim after an input is placed on the workspace.","membership":"Include the panel surface, border, heading, and both reagent icons. Exclude hover tooltips and the independently placed workspace input.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":24,"reference_s":0.5,"evidence":"目标是左侧标题为“试剂”的有边框面板，内含两个橙色火元素图标；右图标在输入放置后变暗。首个合格帧为0.00秒，末个为23.75秒，面板全程持续存在，期间上移和图标状态变化不改变其身份；悬浮提示框及工作区输入不属于目标。区间到达视频首尾，两端均无区间外采样帧。选择0.50秒作为关键帧，此时面板边框、标题及两个图标清晰，无遮挡。","start_frame":0,"end_frame":576,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[4.7,222.2,167.2,373.1],"positive_points":[[83,244],[48,316],[112,316],[80,352],[9,291],[161,302]],"negative_points":[[80,134],[112,469],[559,270],[204,316]],"evidence":"目标是左侧标题为“试剂”、含两个橙色火焰符号图标的面板。框覆盖面板表面、标题、边框及右侧凸出边饰和两个图标；正点分布在这些区域。负点位于上方产品区、下方机制区、工作区独立输入及外部网格背景。"}},{"name":"Mechanism selection panel","description":"The left-side panel labeled “机制” offers purple-centered mechanical arms, a piston, and a track tool, with prices beneath them. It moves upward when the parts list scrolls.","membership":"Include the panel boundary, heading, interior, mechanism illustrations, and price labels. Exclude dragged or placed copies outside the panel and the glyph panel below.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":24,"reference_s":4,"evidence":"目标为左侧“机制”面板，包含边框、标题、紫心机械臂、活塞、轨道工具及价格，不含面板外的副本和下方符文面板。首个合格帧为0.00秒，最后为23.75秒；面板始终完整存在，14.00秒随列表滚动上移后仍连续可见。区间覆盖视频首尾，两端均无额外相邻帧可检查。选择4.00秒，面板完整清晰，无遮挡，便于标注。","start_frame":0,"end_frame":576,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[4.7,370.4,167.2,758.3],"positive_points":[[83.3,391.7],[43.8,468.5],[112.5,570.4],[43.2,681.5],[132.8,730.6],[145.8,643.5]],"negative_points":[[82.3,845.4],[49.5,316.7],[367.2,468.5],[210.4,605.6]],"evidence":"目标是左侧标题为“机制”的选择面板。框覆盖面板边框及右侧凸出边界、标题、内部机械臂和活塞等图示与价格，止于下方指令面板上缘。正点分布在标题、紫心机构、价格及面板内部；负点位于上方试剂面板、下方指令面板、棋盘上已放置的机械臂及外部背景。"}},{"name":"Workspace product pattern","description":"The stationary target pattern near the upper middle of the workspace consists of three horizontally connected orange fire atoms, with a gray atom below its left end and another above its right end.","membership":"Include the five atom disks, their enclosing metal and hexagonal rims, and connecting bonds. Follow the combined outline and exclude the surrounding hexagonal grid and selection lighting.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":24,"reference_s":0.5,"evidence":"目标是工作区上方中央的固定五原子图案：三个橙色火原子横向相连，左端下方及右端上方各有一个灰色原子，包括金属边框、六边形外缘和连接键。首个合格帧为0.00秒，最后为23.75秒，全程完整可见且位置不变。区间覆盖视频首尾，两侧均无额外采样帧。选择0.50秒作为关键帧，图案清晰完整，无光标或浮窗遮挡，易于排除周围网格。","start_frame":0,"end_frame":576,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[473.4,162,644.8,379.6],"positive_points":[[495,336],[516,270],[560,272],[600,271],[624,204],[538,270]],"negative_points":[[454,335],[540,199],[650,294],[511,413]],"evidence":"依据工作区上方中央三个横向相连的橙色火原子，以及左下、右上各一个灰色原子识别目标。边界框紧贴五个原子盘、金属及六角外框和连接键的联合外缘。六个正点分布在五个原子及连接键上；四个负点位于周围六角网格，不包含选择高亮。"}},{"name":"Instruction palette and playback controls","description":"The bottom-left metal control panel contains square command buttons with keyboard letters and a bottom row of stop, step, and play controls.","membership":"Include the enclosing control-panel frame, surface, command icons, shortcut labels, and playback buttons. Exclude the programming timeline to its right.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":24,"reference_s":4,"evidence":"目标是左下角金属控制面板，包含带快捷键字母的方形指令按钮及底部停止、单步、播放按钮，不含右侧编程时间轴。首个合格帧为0.00秒，末个为23.75秒，面板框架与表面始终完整可见。区间覆盖视频首尾，边界外没有采样帧。选择4.00秒作为关键帧，面板清晰完整，鼠标未遮挡其控件。","start_frame":0,"end_frame":576,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[10.4,757.4,155.2,988.9],"positive_points":[[33.3,796.3],[104.2,846.3],[69.3,913.0],[39.6,949.1],[120.8,948.1],[149.0,880.6]],"negative_points":[[171.9,842.6],[338.5,944.4],[112.0,680.6],[208.3,685.2]],"evidence":"目标是左下角带方形命令键、快捷键字母及停止、单步、播放按钮的金属控制面板。边界框覆盖整个面板外框、表面和内部控件，不含右侧编程时间轴。正点分布在命令按钮、快捷键区域、播放控制及右侧框面；负点位于右侧时间轴、上方其他工具和外部背景。"}},{"name":"Programming timeline and statistics panel","description":"The wide panel across the bottom contains initially empty horizontal instruction lanes and an upper statistics strip. A lane labeled “1” appears after the arm is placed, and a circular-symbol instruction is subsequently added.","membership":"Include the timeline frame, lane surfaces, lane labels, placed instructions, and attached upper strip with product, cost, cycle, area, and utility controls. Exclude the separate command palette and workspace objects.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":24,"reference_s":21.5,"evidence":"目标是底部横贯画面的编程时间轴及其上沿统计条，包括横向指令轨道、编号和已放置指令，不包括左侧独立命令面板。0.00秒首帧中边框、轨道表面和统计条已完整建立，至23.75秒末帧持续存在；轨道“1”和圆形符号指令的添加只是内部内容变化。区间抵达视频首尾，没有更早或更晚的采样帧。选择21.50秒作为关键帧，面板结构清晰，轨道编号及圆形指令均可辨认，遮挡很少。","start_frame":0,"end_frame":576,"reference_frame":516},"grounding":{"status":"found","bbox_xyxy":[145,726,994,990],"positive_points":[[168,785],[190,785],[383,854],[859,941],[678,742],[922,742]],"negative_points":[[104,883],[547,620],[516,532],[365,728]],"evidence":"目标是底部宽幅编程时间轴及其上方相连的统计条。边界框覆盖时间轴外框、横向指令轨道、编号1、圆形指令，以及产品、费用、周期、区域和工具控件。正点分布在轨道标签、已放指令、轨道表面和统计条上；负点位于左下独立命令面板、上方工作区及机械臂对象上。"}},{"name":"Fire reagent tooltip","description":"A pale tooltip initially appears beside the reagent icons, headed “试剂 (火元素)” and explaining that it is an input material for the alchemical machine.","membership":"Include the tooltip's border, pale backing, and complete text block. Exclude the reagent icon and pointer overlapping its vicinity.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标为试剂图标旁的浅色提示框，标题为“试剂 (火元素)”，正文说明其是炼金机器的输入原料，边框、底板及文字完整。首个合格帧为0.00秒，最后为0.25秒；0.50秒帧中提示框已消失。区间始于视频开头，无更早采样帧。选择0.00秒作为关键帧，提示框清晰完整，便于区分并排除附近的试剂图标和指针。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[116.7,297.2,309.4,369.4],"positive_points":[[124.5,308.3],[160.4,319.4],[251,311],[144.8,346.3],[228.6,355.6],[301,356]],"negative_points":[[109.4,309.3],[102.1,339.8],[322.9,333.3],[49,315.7]],"evidence":"目标是试剂图标右侧的浅色提示框，标题为“试剂（火元素）”，下方说明其为炼金术机器的输入原料。边界框紧贴提示框外沿，包含边框、浅色底板及全部文字。正点分布于标题、说明文字和底板；负点位于框外的试剂图标、手形指针及右侧背景。"}},{"name":"Single mechanical arm","description":"A silver single arm with a purple circular base and an open three-pronged gripper is dragged from the mechanism palette. Its placed base is labeled “1”; it is rotated, relocated beside the fire input, and finally positioned on the horizontal track.","membership":"Include the base and its mounting tile when visible, numeral, shaft, joint, and gripper. Include the area enclosed by the gripper ring, but exclude the independently identified reagent, track, grid, cursor, and selection glow.","id":"obj_008","temporal":{"status":"found","start_s":1.0,"end_s":24.0,"reference_s":1.75,"evidence":"目标为紫色圆形底座、银色臂杆及开放三爪夹环组成的单机械臂，放置后底座标有“1”，随后旋转、移动并放到水平轨道上。首次完整出现于1.00秒；前一帧0.75秒只有面板中的工具图标，尚无拖出的完整机械臂。最后 qualifying 帧为23.75秒，机械臂仍在轨道左端，视频于24.00秒结束，无后续采样帧。选择1.75秒作为关键帧，此时底座、安装六边形、编号、臂杆与夹环清楚可见，且未与试剂或轨道重叠。","start_frame":24,"end_frame":576,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[344.8,424.1,432.3,514.8],"positive_points":[[367.2,467.6],[364.6,498.1],[383.3,467.6],[395.3,467.6],[410.9,467.6],[410.4,502.8]],"negative_points":[[331.8,465.7],[447.4,471.3],[494.8,335.2],[43.2,468.5]],"evidence":"目标是画面中部偏左、紫色底座标有“1”的已放置单机械臂。框覆盖底座及六边形安装底板、臂杆、关节和三叉夹爪，不包含外围光晕。正点分布于底座、底板、杆件、关节及夹爪环内和下叉；负点位于左右网格背景、右上方试剂及左侧调色板中的另一机械臂。"}},{"name":"Placed fire reagent input","description":"An orange disk bearing an upright triangle is dragged from the right reagent slot and placed below the product pattern. It remains beside the arm and later to the left of the bonding glyph.","membership":"Include the orange atom disk and its dark, metal-edged hexagonal input tile. Exclude the arm gripper over it, other workspace parts, cursor, and hover lighting.","id":"obj_009","temporal":{"status":"found","start_s":2.5,"end_s":24.0,"reference_s":4.0,"evidence":"目标为从右侧试剂槽拖出的橙色直立三角圆盘及其金属边缘六角输入底座。2.5秒首次以完整结构出现在工作区，随后移至产品图案下方，持续留在机械臂旁、后来位于成键符文左侧。前一帧2.25秒尚未拖出，工作区内没有该输入块。最后合格帧为23.75秒，目标仍在；视频于24秒结束，无后续帧。选择4秒作为关键帧，此时圆盘和六角底座清晰完整，没有夹爪或光标遮挡。","start_frame":60,"end_frame":576,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[472.9,425.9,517.7,513.9],"positive_points":[[495.3,471.3],[486.5,458.3],[503.6,480.6],[495.3,437.0],[479.7,489.8],[508.3,498.1]],"negative_points":[[409.4,467.6],[516.1,270.4],[544.8,469.4],[213.0,430.6]],"evidence":"目标是产品图案下方、机械臂右侧的橙色三角原子输入。边界框覆盖橙色圆盘及其深色金属边六边形底座；正点分布在圆盘、边框和底座上，负点位于左侧夹爪、上方产品原子、右侧背景及光标上。"}},{"name":"Arm track","description":"A dark hexagonal track tile with a gold-ringed center and minus/plus markings is introduced near the arm. It is moved and extended into a horizontal three-cell rail on which the arm is positioned.","membership":"Include the connected dark track footprint, metal edging, gold rails, end rings, and attached endpoint markings. Follow its stepped hexagonal outline. Exclude the arm mounted on it, neighboring glyph, and interaction glow.","id":"obj_010","temporal":{"status":"found","start_s":8.0,"end_s":24.0,"reference_s":11.25,"evidence":"目标是带金色中心环及减号/加号端点标记的深色六边形轨道，随后被移动并延长为横向三格金属导轨。8.00秒首次完整出现在工作区；前一帧7.75秒仅在左侧工具栏悬停，尚未出现该工作区轨道。轨道持续存在至最后采样帧23.75秒，视频于24.00秒结束，无后续帧。选择11.25秒作为关键帧，此时三格轨道轮廓、金色导轨及端环清晰，机械臂尚未装在轨道上，遮挡较少。","start_frame":192,"end_frame":576,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[494.8,490.7,624,579.6],"positive_points":[[516.4,533.3],[602.5,533.3],[547.9,519.4],[579.7,546.3],[559.4,504.6],[557.8,565.7]],"negative_points":[[430.7,533.3],[494.8,467.6],[649.5,538.9],[560.4,617.6]],"evidence":"目标是画面中部偏下、机械臂右侧的三格水平轨道。框覆盖连续深色六边形底座、金属边缘、金色导轨、两端圆环及减号和加号，保留阶梯状轮廓。正点分布于端环、上下导轨和底座；负点位于左侧机械臂、上方火焰图符及右侧和下方外部背景。"}},{"name":"Glyph selection panel","description":"The panel labeled “符文” becomes visible beneath the mechanisms after the left parts list scrolls. Its visible choices include a two-circle bonding glyph and a branching multi-circle glyph with prices.","membership":"Include the visible panel frame, header, dark surface, glyph previews, and price labels. Exclude copies dragged into the workspace and portions hidden behind the bottom controls.","id":"obj_011","temporal":{"status":"found","start_s":14.0,"end_s":24.0,"reference_s":21.0,"evidence":"目标是左侧机构列表下方标有“符文”的面板，包含边框、深色底面、双圆及分支多圆预览和价格；底部被控制区遮住的部分不计入。14.0秒首次显示完整的可见面板结构，前一帧13.75秒尚未显示该面板。此后持续存在，最后合格帧为23.75秒，至视频结束24.0秒，无后续帧。选择21.0秒作为关键帧，面板清晰，鼠标不遮挡符文预览。","start_frame":336,"end_frame":576,"reference_frame":504},"grounding":{"status":"found","bbox_xyxy":[4.7,564.8,158.3,759.3],"positive_points":[[83.5,587.3],[9.4,654.6],[33.8,663.1],[108.7,663.9],[71.3,712.2],[140.6,733.8]],"negative_points":[[110.8,497.6],[540.3,468.6],[80.5,845.4],[186.6,654.6]],"evidence":"目标是左侧“机制”下方、标题为“符文”的选择面板。框覆盖其可见边框、标题、深色底面、双圆及分支多圆预览和价格，下缘止于底部控制区遮挡处。正点分布在标题、边框、预览、价格和底面；负点位于上方机制、工作区副本、底部控制按钮及右侧背景。"}},{"name":"Placed bonding glyph","description":"A two-cell glyph with two large recessed circular pads connected by a short ribbed bridge is dragged from the glyph panel and placed immediately above the track, to the right of the fire input.","membership":"Include both circular pads, their joined dark hexagonal backing, metal borders, and central bridge. Follow the two-cell outline, excluding the neighboring reagent, arm, track, cursor, and selection lighting.","id":"obj_012","temporal":{"status":"found","start_s":14.5,"end_s":24.0,"reference_s":20.75,"evidence":"目标是由两个凹陷圆垫、深色六边形底座、金属边框和中央短肋桥组成的双格键合符文。14.50秒首次以完整结构被拖出面板，随后放在轨道上方、火元素输入右侧；14.25秒尚未出现该拖出的实例。最后 qualifying 帧为23.75秒，目标仍完整存在，区间延至视频结尾24.00秒，无后续帧。选择20.75秒作为关键帧，此时双格轮廓清楚，未被光标或机械臂遮挡。","start_frame":348,"end_frame":576,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[515.6,424.1,603.1,513.9],"positive_points":[[536.9,467.6],[581.2,468.5],[559.4,468.5],[523.4,456.5],[593.2,481.5],[537.5,431.5]],"negative_points":[[494.3,469.4],[516.7,534.3],[567.7,533.3],[558.9,403.7]],"evidence":"目标位于轨道正上方、火试剂右侧，由两个凹圆盘和中央带肋金属桥组成。框覆盖两格相连的深色六角底座、圆盘及金属边框；正点分布在圆盘、桥和底座边框上，负点位于相邻火试剂、机械臂、轨道及上方背景，排除这些对象和选择光效。"}},{"name":"Mechanical arm tooltip, first appearance","description":"A pale tooltip beside the placed arm identifies it as “已固定长度的机械臂” and describes a single arm with a gripper. It disappears before instruction editing begins.","membership":"Include the tooltip border, pale rectangular backing, and both text lines. Exclude the arm, track, cursor, and workspace underneath.","id":"obj_013","temporal":{"status":"found","start_s":20.25,"end_s":20.75,"reference_s":20.5,"evidence":"目标为机械臂旁首次出现的浅色矩形提示框，包含��框、“已固定长度的机械臂”标题及夹钳单臂说明两行文字。首个合格帧为20.25秒，最后为20.50秒；此前20.00秒尚无提示框，此后20.75秒提示框已消失，随后开始指令编辑。选择20.50秒作为关键帧，提示框结构和文字完整清晰，遮挡较少。","start_frame":486,"end_frame":498,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[537,509.3,729.7,581.5],"positive_points":[[547.4,516.7],[585.9,531.5],[597.9,558.3],[713,527.8],[677.1,568.5],[727.1,546.3]],"negative_points":[[516.7,531.5],[521.9,558.3],[582.3,469.4],[752.1,556.5]],"evidence":"目标是机械臂右侧的浅色提示框，显示“已固定长度的机械臂”及单机械臂带夹钳的说明。边界框紧贴提示框外缘，包含边框、浅色底板和两行文字。正点分布于文字、底板及边框；负点位于框外的机械臂、手形光标、轨道和工作区。"}},{"name":"Mechanical arm tooltip, second appearance","description":"The pale “已固定长度的机械臂” tooltip returns beside the arm after a command has been added to the timeline and remains visible in the closing frames.","membership":"Include this tooltip's border, pale backing, and complete two-line text block as it shifts slightly beside the arm. Exclude the underlying workspace components and pointer.","id":"obj_014","temporal":{"status":"found","start_s":22.75,"end_s":24.0,"reference_s":23.5,"evidence":"目标是添加时间轴指令后再次出现在机械臂旁的浅色“已固定长度的机械臂”提示框，包含边框、底板及完整两行文字。22.50秒尚无提示框，22.75秒首次完整显示，随后略微移位并持续至最后采样帧23.75秒。区间到达视频结尾，无后续帧。选择23.50秒作为关键帧，提示框结构和文字清楚，指针未遮挡框内内容。","start_frame":546,"end_frame":576,"reference_frame":564},"grounding":{"status":"found","bbox_xyxy":[550.5,495.4,743.8,569.4],"positive_points":[[572.9,517.6],[618.8,518.5],[577.6,544.4],[636.5,550.9],[728.6,515.7],[719.8,562.0]],"negative_points":[[536.5,537.0],[516.1,532.4],[765.6,537.0],[578.1,468.5]],"evidence":"目标是机械臂右侧显示“已固定长度的机械臂”的浅色两行提示框，底部时间轴已有命令。边界框覆盖完整外框、浅色底板及两行文字；正点分布于文字和底板，负点位于框外的手形指针、机械臂、上方组件及右侧工作区。"}}]}
+{"video_id":93,"video_type":"2D games","targets":[{"name":"Framed color-grid puzzle board","description":"The large central board has a thick black frame and a white inner margin. Its cream playing surface contains changing blue and red blocks, intersecting yellow paths, and small moving square pieces. Blue square markers appear around the playing surface.","membership":"Include the outer black frame, enclosed white margin, cream playing surface, all puzzle graphics and pieces, and the blue markers within the frame. Keep this extent as the contents clear and rebuild. Exclude the overlaid blue hand, the controls to the left, and the number to the right.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":4.75,"evidence":"目标是中央厚黑框、白色内边和奶油色棋面的彩色网格谜题板，包含框内图形、棋子及蓝色标记，不含蓝手、左侧按钮和右侧数字。首个合格帧为0.00秒，最后为4.75秒；期间棋面内容清空并重建，但外框和板面始终完整存在，属于同一连续对象。区间覆盖视频首尾，边界外没有采样帧。选择4.75秒作关键帧，棋盘轮廓清晰，蓝手仅在底部造成很少遮挡。","start_frame":0,"end_frame":120,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[226.04,12.96,773.96,987.04],"positive_points":[[234.38,277.78],[734.38,324.07],[338.54,240.74],[651.04,166.67],[364.58,750],[546.88,842.59]],"negative_points":[[601.56,980.56],[177.08,497.22],[831.77,499.07],[820.31,231.48]],"evidence":"目标是中央带粗黑框的彩色网格谜题板。边界框紧贴黑色外框，涵盖框内白边、奶油色盘面、全部谜题图形与蓝色标记。正点分布于黑框、白边和盘面不同区域；负点位于叠加蓝手、左侧控件、右侧数字及框外背景，均不属于目标。"}},{"name":"Return-arrow button","description":"The upper white square control to the left of the board bears a blue angular return arrow. The animated hand presses it as the board changes.","membership":"Include the complete square button face, its beveled boundary, and the blue arrow enclosed within it. Exclude its cast shadow and the overlaid hand.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":0,"evidence":"目标是棋盘左侧最上方的白色方形按钮，具有斜面边界，内部为蓝色折角返回箭头。首个合格帧为0.00秒，最后为4.75秒，按钮全程保持存在；1.25秒被手短暂遮挡不影响连续性。区间覆盖视频首尾，两端均无区间外采样帧。选择0.00秒为关键帧，因为按钮结构完整清晰且无遮挡；标注范围不含投影和手。","start_frame":0,"end_frame":120,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[147.4,313,207.8,419.4],"positive_points":[[161,338],[191,350],[176,391],[155,397],[200,322],[178,367]],"negative_points":[[175,434],[172,491],[129,364],[264,338]],"evidence":"目标是棋盘左侧最上方带蓝色折返箭头的白色方形按钮。边框紧贴完整按钮面及其可见斜切边界，不包括投影。六个正点分布于蓝色箭头和白色按钮面；负点位于下方投影、下一枚按钮、左侧背景和棋盘旁的蓝色标记上。"}},{"name":"Magnifying-glass button","description":"The middle white square control to the left of the board bears a blue diamond-shaped magnifying glass with a diagonal handle. The animated hand presses this control.","membership":"Include the complete square button face, its beveled boundary, and the entire magnifying-glass icon. Exclude its cast shadow and the overlaid hand.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":0,"evidence":"目标是棋盘左侧三个控件中的中间白色方形按钮，带蓝色菱形放大镜及斜向手柄，按钮面和斜面边界完整。首个合格帧为0.00秒，最后为4.75秒；期间手部短暂遮挡并按压按钮，但同一按钮持续存在。区间覆盖视频首尾，两端均无外侧采样帧。选择0.00秒作为关键帧，按钮及图标清晰完整、无遮挡；标注对象不包含投影和手部。","start_frame":0,"end_frame":120,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[142.7,445.4,207.3,562.0],"positive_points":[[153.1,459.3],[199.5,459.3],[157.3,536.1],[199.5,540.7],[172.4,467.6],[191.7,521.3]],"negative_points":[[175.0,364.8],[177.1,621.3],[125.0,500.0],[264.1,499.1]],"evidence":"目标是棋盘左侧三个控件中的中间按钮，白色方形面上有蓝色菱形放大镜。框覆盖按钮面、可见斜边及完整图标，不包含外围投影。正点分布在按钮面和图标上；负点位于上下其他按钮、左侧背景及棋盘旁的蓝色标记上。"}},{"name":"Question-mark button","description":"The lower white square control to the left of the board bears a blue angular question mark. The hand touches it while the new puzzle graphics appear.","membership":"Include the complete square button face, its beveled boundary, and the question-mark icon. Exclude its cast shadow and the overlaid hand.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":0,"evidence":"目标是棋盘左侧最下方的白色方形按钮，具有斜面边缘和蓝色棱角问号。首个合格帧为0.00秒，最后为4.75秒；按钮始终完整建立，1.50秒附近被手短暂遮挡不影响连续性。区间覆盖视频首尾，两端均无外侧采样帧。选择0.00秒作为关键帧，按钮正面、边缘和问号清晰且无遮挡，便于排除投影与手。","start_frame":0,"end_frame":120,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[146.9,578.7,208.3,685.2],"positive_points":[[155,590],[199,592],[191,671],[156,667],[191,624],[178,650]],"negative_points":[[174,502],[176,366],[173,704],[233,627]],"evidence":"目标是棋盘左侧最下方带蓝色折角问号的白色方形按钮。框覆盖完整按钮面、紧邻的倒角边界及问号，不包含外侧投影。正点分布于按钮白色表面和问号笔画，负点位于上方其他按钮、下方投影区域及右侧棋盘黑框；右侧手形未包含。"}},{"name":"Numeric indicator","description":"A large blue numerical readout stands independently to the right of the board, initially reading “1” and subsequently “5”.","membership":"Include only the visible strokes of the displayed numeral as the readout updates. Exclude the surrounding background, board, and animated hand.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":2.25,"evidence":"目标为棋盘右侧独立的大号蓝色数字读数，起初为“1”，1.25秒起更新为“5”，属于同一指示器的内容变化。首个合格帧为0秒，最后合格帧为4.75秒，全程数字笔画完整可见。区间覆盖视频首尾，边界外无采样帧。选择2.25秒作为关键帧，此时“5”结构清晰且未被手遮挡，便于与棋盘和背景区分。","start_frame":0,"end_frame":120,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[794.27,439.81,862.5,561.11],"positive_points":[[801.04,450],[853.13,451.85],[801.04,491.67],[828.13,500],[855.73,532.41],[803.65,548.15]],"negative_points":[[760.42,680.56],[677.08,462.96],[885.42,500],[828.13,393.52]],"evidence":"目标是棋盘右侧独立显示的蓝色数字“5”。边界框紧贴数字的全部可见笔画，六个正点分布在顶部、左侧、中部及底部笔画上；负点位于动画手、棋盘和数字外围背景上，排除这些非目标区域。"}},{"name":"Animated blue pointing hand","description":"A solid blue hand with an extended index finger and a long forearm enters from the bottom. It moves across the puzzle, presses the left-side controls, and points near the board edges.","membership":"Include the visible silhouette of the fingers, palm, wrist, and forearm, following its changing pose and position. Exclude the board, buttons, and other graphics behind or beside it.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":2.25,"evidence":"目标是伸出食指、带长前臂的纯蓝色手部剪影，可连续追踪其移过棋盘、按左侧按钮及指向边缘的动作。首个合格帧为0.00秒，最后为4.75秒；前臂从画面底部延伸属于该图形的裁切呈现，未见明确消失或退出。区间覆盖视频首尾，两侧均无额外采样帧。选择2.25秒，手指、手掌和腕部轮廓清楚，位于棋盘右侧浅色背景上，便于区分。","start_frame":0,"end_frame":120,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[728.6,549.1,790.6,1000],"positive_points":[[742.2,571.3],[743.8,626.9],[744.8,685.2],[778.1,660.2],[762.5,761.1],[762.5,960.2]],"negative_points":[[701,684],[828.1,500],[765.1,518.5],[817.7,833.3]],"evidence":"目标是棋盘右侧从画面底部伸入的蓝色指向手。边界框紧贴可见指尖、手指、手掌、手腕及延伸至底边的前臂。正点分布在这些蓝色实体部位；负点位于旁边的棋盘、蓝色数字5、黑色边框和外部浅色背景，均不属于手部。"}}]}
+{"video_id":94,"video_type":"2D games","targets":[{"name":"Overworld map","description":"The opening pixel-art level-selection map, showing islands, colored level entrances, numbered stages, and white connecting paths across a dark sea.","membership":"Includes the bounded map surface and its terrain, sea, paths, level markers, and embedded game graphics and text. Excludes the title above the map, recording overlays, cursor, and dark transition mask.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.5,"evidence":"目标是开场的像素风关卡选择地图，包含海面、岛屿、彩色入口、编号关卡和白色连接路径。首个合格帧为0.00秒，地图已完整呈现；最后合格帧为0.50秒。0.75秒帧中深色转场遮罩开始移除地图边缘，因此不纳入。区间始于视频开头，没有更早的相邻帧。选择0.50秒作为关键帧，地图边界和内部结构完整清晰，无遮挡。","start_frame":0,"end_frame":18,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[35.938,50,964.063,948.611],"positive_points":[[78.125,486.111],[304.688,250],[429.688,625],[406.25,813.889],[743.75,506.944],[780.469,823.611]],"negative_points":[[85.938,26.389],[937.5,250],[667.188,365.278],[910.156,55.556]],"evidence":"通过群岛地形、彩色关卡入口、数字关卡和白色连接路径识别地图。边界框紧贴矩形地图表面，正点分布于海面、岛屿、路径和关卡标记；负点位于上方标题、右上暗色遮罩、鼠标光标及录制叠加文字，均不属于目标。"}},{"name":"NOW WHAT IS THIS? heading","description":"The white heading above the opening map while stage 02 is selected.","membership":"Includes only the complete text “NOW WHAT IS THIS?”; excludes the map and surrounding background.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"0.00秒开场地图左上方完整显示白色标题“NOW WHAT IS THIS?”，同时关卡02被选中，符合目标描述。首个和最后一个 qualifying 帧均为0.00秒；0.25秒标题已替换为“OUT OF REACH”。区间起于视频开头，无更早采样帧。选择0.00秒作为关键帧，因为目标文字完整清晰、无遮挡。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[15.625,9.722,214.063,41.667],"positive_points":[[18.75,27.778],[67.188,29.167],[101.563,16.667],[136.719,36.111],[171.875,27.778],[209.375,13.889]],"negative_points":[[7.813,25],[228.125,26.389],[115.625,62.5],[74.219,84.722]],"evidence":"目标是图像左上方、地图上方的白色标题“NOW WHAT IS THIS?”。边界框紧贴完整标题，包含问号；六个正点分布在各部分的白色字形笔画上，四个负点位于标题左右的外部背景及下方地图背景，不涉及文字内部空隙。"}},{"name":"OUT OF REACH map heading","description":"The white heading at the upper left after the map selection changes to stage 03.","membership":"Includes only the text “OUT OF REACH” in this map-heading appearance; excludes the map and background.","id":"obj_003","temporal":{"status":"found","start_s":0.25,"end_s":0.75,"reference_s":0.5,"evidence":"目标是地图选择切换至03后左上角的白色“OUT OF REACH”标题，不包括后续居中的关卡标题。首个合格帧为0.25秒，最后为0.50秒，文字均完整可见；前一帧0.00秒显示的是“NOW WHAT IS THIS?”，后一帧0.75秒左上角标题已消失并开始地图遮罩转场。选择0.50秒作为关键帧，标题清晰完整且无遮挡。","start_frame":6,"end_frame":18,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[15.6,11.1,155.5,41.7],"positive_points":[[18,18.1],[31.3,31.9],[78.9,15.3],[99.2,30.6],[138.3,16.7],[151.6,31.9]],"negative_points":[[7.8,62.5],[171.9,25],[78.1,69.4],[234.4,138.9]],"evidence":"左上角可见白色标题“OUT OF REACH”，地图中03关卡处于选中状态。边界框紧贴整段标题；六个正点分布于标题各部分的字母笔画上，四个负点位于标题外的深色背景或地图区域。"}},{"name":"Level 3 title card","description":"The centered introduction with pink “LEVEL 3” above larger white “OUT OF REACH,” revealed between the map and puzzle.","membership":"Includes both lines of the compact title block, including their progressively revealed or obscured letters. Excludes the dark backing and the puzzle visible behind the departing title.","id":"obj_004","temporal":{"status":"found","start_s":1.5,"end_s":2.5,"reference_s":2.0,"evidence":"目标是居中的双行标题：粉色“LEVEL 3”位于较大的白色“OUT OF REACH”上方。首个完整呈现帧为1.50秒，最后合格帧为2.25秒；前一帧1.25秒尚无标题，后一帧2.50秒标题已开始被遮除，粉色上行消失，后方谜题显露。选择2.00秒作为关键帧，两行文字完整清晰且无遮挡。","start_frame":36,"end_frame":60,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[330.5,376.4,667.2,545.8],"positive_points":[[412.5,397.2],[584.4,408.3],[335.2,494.4],[382.0,488.9],[479.7,494.4],[661.7,493.1]],"negative_points":[[281.3,472.2],[718.8,472.2],[500,305.6],[500,611.1]],"evidence":"目标是画面中央粉色“LEVEL 3”和白色“OUT OF REACH”组成的两行标题。边界框紧贴完整标题块，正点分布在两行文字的实际笔画上；负点位于标题外围上下左右的深色背景，不包含字间或行间空隙。"}},{"name":"Out of Reach puzzle board","description":"The bounded rectangular playfield containing a blue-gray walled puzzle, an upper tiled chamber, lower rooms, rule words, water, two rocks, Baba, and a yellow flag.","membership":"Includes the playfield surface, boundary, walls, floor tiles, decorative patches within it, rule tiles, game objects, and embedded undo prompt. Separately listed game objects remain within this container. Excludes the surrounding screen background, cursor, watermark, transition masks, and overlaid title or completion text.","id":"obj_005","temporal":{"status":"found","start_s":3.0,"end_s":12.75,"reference_s":3.5,"evidence":"目标是包含蓝灰墙体、上方砖格室、下方房间、规则词、水、岩石、Baba、黄旗及撤销提示的矩形谜题棋盘。首个完整呈现帧为3.00秒；前一帧2.75秒仍被入场遮罩遮住边缘。最后合格帧为12.50秒，12.75秒开始被退场遮罩移除。期间游戏对象变化及通关文字遮挡不改变棋盘身份。选择3.50秒为关键帧，棋盘边界和内部布局完整清晰，无标题或通关文字遮挡。","start_frame":72,"end_frame":306,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[190.625,100,809.375,898.611],"positive_points":[[216,215],[474,324],[369,697],[613,723],[738,224],[774,801]],"negative_points":[[148,459],[851,481],[520,54],[507,945]],"evidence":"根据蓝灰色墙体、上方地砖房间、规则文字、水域、两块岩石、Baba及黄旗识别出完整谜题棋盘。边界框覆盖中央矩形游戏区域，包括内部装饰和撤销提示；正点分布于规则、地砖、水域、下方房间、撤销提示及装饰区域，负点位于棋盘四周的外部屏幕背景。"}},{"name":"Baba","description":"The small white animal-like player character, initially toward the upper-left side of the tiled chamber. It pushes the lower rock, enters the lower rooms, rearranges words, and returns to the remaining rock.","membership":"Includes the complete white character sprite through movement and changes of facing. Excludes trailing particles, nearby tiles, rocks, and victory effects.","id":"obj_006","temporal":{"status":"found","start_s":2.75,"end_s":11.25,"reference_s":3.0,"evidence":"目标是上方砖格房间内的小白色动物角色，随后推动下方岩石、进入下方房间移动文字并返回。首个合格帧为2.75秒；2.50秒时角色所在区域尚被转场遮罩遮住。最后合格帧为11.00秒，角色位于剩余岩石下方；11.25秒时已触发胜利效果，原角色 sprite 被岩石处的白色亮光取代，不计入目标。选择3.00秒作为关键帧，角色完整清晰，与岩石和文字分离。","start_frame":66,"end_frame":270,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[447.66,255.56,469.53,294.44],"positive_points":[[457.03,261.11],[463.28,265.28],[450.78,273.61],[457.81,276.39],[465.63,279.17],[450.78,288.89]],"negative_points":[[429.69,275],[486.72,275],[457.81,325],[542.19,275]],"evidence":"目标是上方砖格房间偏左的小白色动物角色。边界框紧贴完整白色精灵，包括耳部、身体和脚；六个正点分布在这些白色部位，四个负点��于左右及下方砖格和右侧黄色岩石上，排除周围物体。"}},{"name":"Upper rock","description":"The golden-brown rounded rock initially near the upper-right portion of the tiled chamber. It remains there and becomes the object Baba touches to complete the puzzle.","membership":"Includes the rock's complete irregular silhouette and interior texture throughout its appearance. Excludes surrounding sparkles, victory rings, floor tiles, and the overlapping Baba sprite.","id":"obj_007","temporal":{"status":"found","start_s":2.75,"end_s":13.0,"reference_s":3.25,"evidence":"目标是上方砖格房间右上侧的金棕色圆石，位置始终不变，最后被 Baba 接触。2.75 秒首次完整显露；前一帧 2.50 秒该石仍被入场遮罩遮住，露出的是下方石头。末帧 12.75 秒目标仍在，虽被 Baba 部分重叠，但轮廓可辨，尚未被退场遮罩移除；视频结束后无采样帧。选择 3.25 秒为关键帧，石头轮廓和内部纹理清晰，无重叠遮挡。","start_frame":66,"end_frame":312,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[529.7,252.8,555.5,298.6],"positive_points":[[541.4,258.3],[534.4,268.1],[550,268.1],[539.8,277.8],[533.6,284.7],[546.1,291.7]],"negative_points":[[542.2,375],[457.8,276.4],[570.3,275],[542.2,225]],"evidence":"目标是上方铺砖房间右侧、两块金棕色岩石中较高的一块。边界框紧贴其完整不规则轮廓，包含内部纹理。六个正点分布在岩石上、中、下部；负点位于下方另一块岩石、左侧Baba及目标上方和右侧的地砖上。"}},{"name":"Lower rock","description":"The second golden-brown rock, initially directly below the upper rock with a gap between them. Baba pushes it left and then downward into the water at the chamber exit.","membership":"Includes this rock's silhouette and textured interior as it moves, ending when it disappears into the water. Excludes Baba, water, and the resulting splash particles.","id":"obj_008","temporal":{"status":"found","start_s":2.5,"end_s":6.25,"reference_s":3.0,"evidence":"目标是两块金棕色岩石中较低的一块，可连续追踪到它被 Baba 向左、再向下推入出口水域。首个合格帧为 2.50 秒，岩石自身轮廓和纹理已完整可见；前一帧 2.25 秒仅显示关卡标题。最后合格帧为 6.00 秒，岩石仍完整；6.25 秒岩石已消失，只剩入水碎粒和水花。选择 3.00 秒作为关键帧，此时两块岩石上下分离，目标清晰且无遮挡。","start_frame":60,"end_frame":150,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[529.7,350,555.5,398.6],"positive_points":[[539.8,357],[548.4,366.7],[532.8,372.2],[540.6,376.4],[546.9,388.9],[535.9,388.9]],"negative_points":[[542.2,275],[457.8,275],[456.3,473.6],[572.7,377.8]],"evidence":"目标是上方小室内两块金棕色岩石中较低的一块，与上方岩石之间有明显间隔。边界框紧贴该岩石的可见轮廓，六个正点分布在其表面及纹理上；负点分别位于上方岩石、Baba、水面和右侧背景，均排除在目标之外。"}},{"name":"Chamber-exit water","description":"The short horizontal blue water strip across the bottom opening of the upper chamber. Its right-hand portion disappears when the lower rock is pushed into it.","membership":"Includes the blue water tiles and their scalloped outer edges, following the remaining water's actual extent after the opening is created. Excludes the cleared passage, walls, rock, and detached splash particles.","id":"obj_009","temporal":{"status":"found","start_s":2.5,"end_s":11.5,"reference_s":3.0,"evidence":"目标是上方石室底部出口处的短横向蓝色水带，含波 scalloped 边缘；6.25秒起右端被岩石消去，后续只计剩余水体。2.5秒水带已完整显露，前一帧2.25秒仍是关卡标题。最后完整可见帧为11.25秒，11.5秒起中央通关遮罩覆盖水带，之后未恢复完整可见。选择3.0秒作为关键帧，水带完整、无遮挡，且与左下方大水池易于区分。","start_frame":60,"end_frame":276,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[415.625,448.611,499.219,498.611],"positive_points":[[421.875,475],[432.813,459.722],[445.313,483.333],[460.938,462.5],[476.563,481.944],[491.406,466.667]],"negative_points":[[398.438,469.444],[514.063,515.278],[542.188,375],[458.594,537.5]],"evidence":"目标是上方房间底部出口处的短横向蓝色水带。边界框紧贴可见水面及其波浪状外缘；六个正点分布在水带左、中、右部，四个负点位于两侧墙体、上方岩石和下方黑色背景，均不包含在目标内。"}},{"name":"Flag-side water pool","description":"The larger blue pool in the lower-left room, wrapping around the space occupied by the yellow flag.","membership":"Includes the connected blue water region and its rippled boundary, following its concave outline around the flag's dry space. Excludes the flag, dry floor, walls, and sparkles.","id":"obj_010","temporal":{"status":"found","start_s":2.75,"end_s":13.0,"reference_s":3.5,"evidence":"目标是左下房间内围绕黄色旗帜干地形成凹口的较大连通蓝色水池，不含旗帜与闪光。2.75秒首次完整显示水池及波纹边界，前一帧2.50秒仍被场景揭示遮罩遮住。最后合格帧为12.75秒，虽然外围场景开始被遮罩收起，水池本身仍完整可见；区间延至视频末尾13.0秒，无后续帧。选择3.50秒作关键帧，水池轮廓清晰且无遮挡。","start_frame":66,"end_frame":312,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[330.5,648.6,416.4,798.6],"positive_points":[[342.2,669.4],[396.9,669.4],[340.6,723.6],[376.6,720.8],[369.5,775],[404.7,766.7]],"negative_points":[[348.4,762.5],[429.7,741.7],[317.2,713.9],[455.5,475]],"evidence":"目标是左下房间内环绕黄色旗帜干地的较大蓝色水池。边界框紧贴水池及波纹外缘；正点分布于上部、中央和下部蓝色水域，负点位于旗帜、右侧干地、左侧墙体及上方另一处水池。"}},{"name":"Yellow flag","description":"The small yellow pennant on a slanted pole in the bottom-left corner of the lower room, initially designated as the winning object.","membership":"Includes the pennant, pole, and drawn base. Excludes nearby water, floor, and intermittent yellow sparkle effects.","id":"obj_011","temporal":{"status":"found","start_s":2.75,"end_s":13.0,"reference_s":3.5,"evidence":"目标是下方房间左下角、蓝色水池旁的黄色旗帜，包括三角旗面、斜杆和底座，不含闪光。2.75秒首次完整显现，前一帧2.50秒该位置仍被转场遮罩遮住。最后一帧12.75秒旗帜仍完整可见，虽场景边缘开始收拢，尚未遮到旗帜；区间延续至视频末尾13.00秒，无后续采样帧。选择3.50秒作为关键帧，旗帜轮廓清楚且无明显遮挡。","start_frame":66,"end_frame":312,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[332.81,748.61,358.59,797.22],"positive_points":[[347.66,763.89],[353.13,756.94],[351.56,772.22],[339.84,763.89],[337.5,781.94],[342.19,793.06]],"negative_points":[[382.8,737.5],[430.5,758.3],[317.2,769.4],[350,611.1]],"evidence":"目标是下方房间左下角、紧邻蓝色水面的黄色小旗。边界框覆盖旗面、倾斜旗杆及底座；六个正点分布于这些组成部分，四个负点位于附近水面、地板和左侧墙体，均不包含闪光效果。"}},{"name":"ROCK word tile","description":"The brown two-line “ROCK” word initially at the left of “ROCK IS PUSH” in the right-hand room. Baba pushes it downward into the former FLAG position to form “ROCK IS WIN.”","membership":"Includes the complete movable “ROCK” word tile throughout its movement. Excludes neighboring “IS,” “PUSH,” “FLAG,” and “WIN” tiles, the player, and interaction particles.","id":"obj_012","temporal":{"status":"found","start_s":2.5,"end_s":13.0,"reference_s":3.0,"evidence":"目标是右侧房间内棕色、分两行显示的“ROCK”词块，起初组成“ROCK IS PUSH”，随后被向下推动组成“ROCK IS WIN”。2.50秒该词块已完整显露，前一帧2.25秒仅有关卡标题。最后一帧12.75秒中词块仍完整可见，未被退场遮罩切到；区间延伸至视频结尾，没有后续帧。选择3.00秒作为关键帧，此时词块清晰无遮挡，且易与相邻词块区分。","start_frame":60,"end_frame":312,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[557.8,551.4,582.8,598.6],"positive_points":[[560,560],[565,555.6],[577,555.6],[559.8,588.9],[574.2,581.9],[579.7,593.1]],"negative_points":[[596.9,575],[626.6,572.2],[568.8,722.2],[543.8,622.2]],"evidence":"目标是右侧房间中“ROCK IS PUSH”最左侧的棕色双行“ROCK”文字块。边界框紧贴两行完整文字；六个正点分布在字母笔画上，负点位于相邻的IS、PUSH、下方FLAG及外部背景，均不包含在目标内。"}},{"name":"FLAG word tile","description":"The yellow two-line “FLAG” word initially at the left of “FLAG IS WIN” in the lower-right room. It is pushed downward when the ROCK word replaces it.","membership":"Includes the complete movable “FLAG” word tile, including its dimmed state after the rule is broken. Excludes the physical flag, neighboring rule words, and surrounding floor.","id":"obj_013","temporal":{"status":"found","start_s":2.75,"end_s":13.0,"reference_s":3.5,"evidence":"目标是右下房间“FLAG IS WIN”左侧的黄色双行 FLAG 文字块，不是左下的实体旗帜。2.75秒首次完整显露，前一帧2.50秒该位置仍被转场遮罩覆盖。随后它被 ROCK 文字块向下推并变暗，仍是同一目标；最后一帧12.75秒仍完整可见，故区间延续至视频结束13.0秒，之后无采样帧。选择3.50秒作为关键帧，此时文字清晰、无遮挡且容易与相邻词块区分。","start_frame":66,"end_frame":312,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[557.813,700,581.25,748.611],"positive_points":[[559.375,704.167],[564.063,712.5],[571.875,708.333],[577.344,720.833],[560.938,737.5],[575.781,744.444]],"negative_points":[[597.656,722.222],[626.563,722.222],[346.875,769.444],[544.531,765.278]],"evidence":"目标是右下房间“FLAG IS WIN”左侧的黄色两行FLAG文字块。边界框紧贴完整文字，正点分布在两行字母笔画上；负点位于相邻IS、WIN、左下实体旗帜和外部地面，均不属于目标。"}},{"name":"CONGRATULATIONS! message","description":"The large white completion message that progressively appears across the center after Baba reaches the remaining rock.","membership":"Includes the complete “CONGRATULATIONS!” lettering through its reveal and subsequent occlusion. Excludes the irregular dark backing, puzzle board, and yellow victory particles.","id":"obj_014","temporal":{"status":"found","start_s":12.5,"end_s":13.0,"reference_s":12.5,"evidence":"目标是画面中央的大号白色“CONGRATULATIONS!”字样，不含深色底板和黄色粒子。12.25秒时部分字母仍处于未完成的揭示状态；12.5秒首次完整呈现，12.75秒最后一帧仍完整可见，背景的遮罩尚未遮住文字。因此区间延续至视频结束13.0秒，之后无采样帧。选择12.5秒作为关键帧，文字完整清晰且无遮挡。","start_frame":300,"end_frame":312,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[289.8,437.5,711.7,543.1],"positive_points":[[294.5,497.2],[410.9,501.4],[505.5,504.2],[578.9,486.1],[611.7,490.3],[707.0,472.2]],"negative_points":[[500.0,408.3],[500.0,576.4],[542.2,275.0],[564.8,336.1]],"evidence":"目标是画面中央的大号白色“CONGRATULATIONS!”完成提示。边界框紧贴完整字母及感叹号；六个正点分散在不同字符的白色笔画上，负点位于文字上下的深色衬底、上方棋盘物体及黄色粒子处，均不包含在目标中。"}}]}
+{"video_id":95,"video_type":"2D games","targets":[{"name":"Interactive puzzle board","description":"The irregular arrangement of white interlocking tiles on the purple background. It contains green tracks, yellow node-and-link paths, blue symbols, warning triangles, red sockets, and numbered striped barriers that update during play.","membership":"Include the board’s tile surfaces, interlocking outlines, recessed empty cells, printed markings, paths, sockets, and movable pieces. Follow its irregular perimeter and openings rather than filling its bounding rectangle. Include identifiable board pieces while they move or detach. Exclude the purple scene background, corner menu and hint controls, cursor, watermarks, and transient sparkles or beams.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":0.5,"evidence":"目标是紫色背景上由白色互锁瓷砖组成的不规则拼图棋盘，具有绿色轨道、黄色节点连线、蓝色符号、警告三角、红色插槽和数字障碍。首个合格帧为0.00秒，棋盘表面及轮廓已完整建立；游戏中局部棋子移动、脱落和内容更新不改变棋盘身份。最后合格帧为17.75秒，棋盘仍持续可见，因此区间覆盖至18.00秒。区间到达视频首尾，两端均无边界外采样帧。选择0.50秒作为关键帧，棋盘结构清楚，瞬态特效少，便于沿不规则外围及空缺进行标注。","start_frame":0,"end_frame":432,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[31.25,55.56,967.97,888.89],"positive_points":[[148.44,155.56],[850.78,125],[66.41,395.83],[937.5,402.78],[539.06,679.17],[382.81,819.44]],"negative_points":[[52.34,101.39],[941.41,93.06],[484.38,111.11],[859.38,819.44]],"evidence":"目标是由白色互锁拼图块、彩色路径、符号和红色机关组成的不规则棋盘。边界框覆盖棋盘最上、下、左、右的可见块及内部凹槽，不将框内外围紫色空缺视为棋盘。正点分布在左上、右上、左右外侧、中央和底部棋盘内容上；负点位于左上菜单、右上提示按钮及棋盘外的紫色背景。"}},{"name":"Removable green-track tile","description":"The white tile initially just left of the red swirl socket in the upper-left portion of the board. It carries a curved double green track that turns into a vertical segment along its right side, and is subsequently removed.","membership":"Include the entire individual tile, its interlocking edge profile, white face, and green track markings, following it during removal. Exclude neighboring tiles, track segments belonging to those neighbors, and removal particles.","id":"obj_002","temporal":{"status":"found","start_s":0.0,"end_s":4.0,"reference_s":0.5,"evidence":"目标是初始位于左上方红色旋涡槽左侧的白色拼接 tile，带弯曲双绿轨及右侧竖直绿轨。0.00秒已完整呈现，之前无采样帧；最后符合条件的是3.75秒。紧邻的4.00秒中该 tile 已开始碎裂移除，原位置露出紫色空位，故不纳入。选择0.50秒为关键帧，白色面、拼接轮廓和绿轨清晰，且无明显遮挡。","start_frame":0,"end_frame":96,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[265,160,344,334],"positive_points":[[303,174],[291,206],[327,297],[301,284],[334,219],[274,311]],"negative_points":[[225,268],[384,266],[305,394],[309,102]],"evidence":"目标是左上区域红色旋涡槽左侧的白色拼块，绿色双轨弯曲后沿右侧竖直向下。框包含该块的白色表面、绿色轨道及顶部凸出和左侧凹入的拼接轮廓。正点分布在轨道和白色块面上，负点位于左右、上方及下方的相邻块上。"}},{"name":"Red-swirl warning tile","description":"The red-bordered white tile initially near the upper middle-right, containing a black-edged yellow warning triangle overlaid by a red swirl. It moves between two red swirl sockets across the upper board.","membership":"Include the complete moving tile, its red border, white interior, warning triangle, and swirl. Follow its actual outline as it changes position. Exclude the stationary destination sockets and temporary activation effects.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":2.75,"reference_s":0.5,"evidence":"目标是棋盘上方偏右的红框白底方块，内含黑边黄色警告三角及红色旋涡，不含固定旋涡插槽。首个合格帧为0.00秒，最后为2.50秒；2.75秒该方块开始缩小淡出，随后转移至左侧插槽，因此在淡出前结束本次连续出现。视频起点之前无采样帧。选择0.50秒作为关键帧，方块完整清晰，且无光效或光标遮挡。","start_frame":0,"end_frame":66,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[578.1,194.4,656.3,333.3],"positive_points":[[585,210],[648,318],[595,314],[617,254],[629,289],[644,224]],"negative_points":[[383,264],[695,264],[617,125],[617,403]],"evidence":"目标位于画面中上部偏右，是带红色边框、白色底面及黑边黄色警告三角形的红旋涡方块。边界框紧贴完整方块；正点覆盖边框、白色内部、三角形及旋涡，负点位于左侧固定旋涡插槽和上、右、下方的其他棋盘块上。"}},{"name":"Orange diamond control tile","description":"The white tile immediately to the right of the initial red-swirl warning tile. Its central orange diamond has a blue inner outline and is surrounded by four smaller orange diamonds; interaction changes the connected yellow path markers.","membership":"Include the complete tile face and interlocking boundary with its five-diamond emblem. Exclude adjacent tiles and yellow links or diamond markers outside this tile.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":1,"evidence":"目标是初始红色旋涡警告砖右侧的白色拼接砖，带蓝色内框的中央橙色菱形及四个小菱形；包含完整砖面和拼接边界，不含砖外黄色连线。首个合格帧为0秒，最后为17.75秒，期间砖面始终完整，11秒附近徽标旋转及路径标记变化不影响其连续存在。区间抵达视频首尾，两端均无区间外采样帧。选择1秒作为关键帧，目标清晰完整且无光标遮挡。","start_frame":0,"end_frame":432,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[656.3,194.4,761.7,333.3],"positive_points":[[667.2,213.9],[722.7,215.3],[695.3,263.9],[676.6,294.4],[721.9,308.3],[747.7,266.7]],"negative_points":[[617.2,263.9],[778.1,263.9],[695.3,398.6],[695.3,138.9]],"evidence":"目标是红色旋涡警告格右侧、带中央蓝边橙色菱形及四个小菱形的白色拼图块。边界框覆盖完整格面和右侧凸出的拼接边界；六个正点分布在格面、菱形图案及凸耳上，四个负点位于左、右、上、下相邻格或外部黄色路径上。"}},{"name":"Left green-track rotation tile","description":"The tile near the left edge, directly right of the leftmost blue wireless symbol. A red square arrow pattern surrounds its interior, and a double green track bends across its top and descends along the right side. Its interlocking edges change during interaction.","membership":"Include this individual tile’s full surface and actual edge profile, its red arrow pattern, and the green track portion on it. Exclude neighboring tiles and their connecting track sections.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":1,"evidence":"目标位于最左侧蓝色无线符号右边，具有红色方形循环箭头，以及顶部弯曲后沿右侧下行的双绿轨。首帧0.00秒已完整呈现，至末帧17.75秒仍持续存在；交互中拼接边缘改变，但仍为同一块砖。区间覆盖视频首尾，两端均无额外相邻帧。选择1.00秒作为关键帧，此时砖面、实际边缘及红绿图案清晰，无遮挡。","start_frame":0,"end_frame":432,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[84.4,295.8,187.5,472.2],"positive_points":[[98.4,402.8],[120.3,437.5],[120.3,359.7],[148.4,388.9],[174.2,427.8],[147.7,319.4]],"negative_points":[[68.8,398.6],[148.4,543.1],[225.8,397.2],[177.3,256.9]],"evidence":"目标是最左侧蓝色无线图标右邻的拼图块，含红色方形循环箭头及顶部弯折、右侧下行的双绿轨。框覆盖该块完整可见表面及上方、左侧凸��的拼接轮廓；正点分布于表面、红箭头和绿轨，负点位于左、下、右、上方的相邻块，排除邻块及其轨道。"}},{"name":"Left wireless-symbol tile","description":"The white tile at the far left of the board’s middle row, marked with a blue fan-shaped wireless symbol. It participates in the blue activation animation and is later removed.","membership":"Include the entire tile with its interlocking outline and blue symbol, following the identifiable piece as it detaches. Exclude neighboring tiles, projected blue beams, and small debris.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":17,"reference_s":0.5,"evidence":"目标是棋盘中排最左侧带蓝色扇形无线符号的白色拼接 tile，包含其完整外缘。首个合格帧为0.00秒；它在蓝色激活动画后脱离棋盘，16.75秒仍以完整旋转白块出现在画面左下方，是最后合格帧。17.00秒该完整拼块已消失，仅见零散碎屑。区间起点即视频开头，没有更早帧。选择0.50秒作为关键帧，此时目标轮廓和蓝色符号清晰，未被光束遮挡。","start_frame":0,"end_frame":408,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[31.3,286.1,110.9,472.2],"positive_points":[[43,349],[98,354],[70,397],[48,451],[98,453],[70,310]],"negative_points":[[66,229],[146,399],[65,514],[383,529]],"evidence":"目标是棋盘中间行最左侧、带蓝色扇形无线符号的白色拼图块。边界框包含整块白色表面、蓝色符号及顶部凸出的拼接轮廓；正点分布在符号、顶部凸部和四周白色区域，负点位于上方与右侧邻块、下方紫色背景及另一无线符号块上。"}},{"name":"Central wireless-symbol tile","description":"The white tile below the upper yellow path junction, marked with a blue fan-shaped wireless symbol. It is above the central red socket area and is removed with the other wireless-symbol tiles.","membership":"Include the complete individual tile, its boundary, white face, and blue symbol, including its identifiable detached form. Exclude yellow path segments on neighboring tiles, activation beams, and debris.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":17,"reference_s":1,"evidence":"目标是上方黄色路径交汇点下方、中央红色插槽区上方的白色蓝色无线符号方块。首个合格帧为0秒，视频起点之前无采样帧；16.75秒仍可见其完整、可辨认的脱离形态，位于棋盘下方。紧接的17秒帧中该方块已消失，仅有碎屑，因此最后合格帧为16.75秒。选择1秒作为关键帧，方块边界和蓝色符号清楚，无遮挡及激活光束。","start_frame":0,"end_frame":408,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[500,333.3,578.1,472.2],"positive_points":[[513,357],[562,357],[540,390],[524,413],[513,452],[564,451]],"negative_points":[[539,264],[616,404],[539,535],[382,535]],"evidence":"目标是画面中央黄色路径交汇点下方、红色插槽上方带蓝色无线符号的白色方块。边界框覆盖该单块瓷砖的边界、白色表面和蓝色符号；正点分布于符号及白色面上，负点位于上方黄色交汇点、右侧路径、下方红色插槽及左下另一无线符号块。"}},{"name":"Lower-left wireless-symbol tile","description":"The white tile bearing a blue wireless symbol immediately left of the initial blue-target warning tile. It is activated while the warning tile sits below it and then disappears with the other wireless tiles.","membership":"Include the full tile surface, actual boundary, and blue wireless emblem through its removal. Exclude adjacent sockets, the warning tile beneath it, projected beams, and activation highlights.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":16.75,"reference_s":1,"evidence":"目标是初始蓝色靶心警告砖正左侧、带蓝色无线符号的白色砖。0.00秒已完整呈现，视频起点之前无采样帧；16.50秒仍可见完整砖面在移除动画中下落，16.75秒原位已空，只见碎片，目标不再完整可见，因此最后纳入16.50秒。选择1.00秒作为关键帧，此时砖面、边界和无线标志清晰，无光束或激活高亮遮挡。","start_frame":0,"end_frame":402,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[343.8,472.2,421.9,611.1],"positive_points":[[354.7,491.7],[409.4,493.1],[382.8,523.6],[380.5,555.6],[355.5,586.1],[408.6,587.5]],"negative_points":[[304.7,541.7],[460.9,541.7],[382.8,680.6],[383.6,402.8]],"evidence":"目标是画面中下部、带蓝色靶心的警告方块正左侧的无线符号白色方块。边界框覆盖完整白色砖面、边缘及蓝色无线徽标；正点分布于砖面和徽标，负点位于左侧斜纹砖、右侧警告砖、下方插槽及上方线路砖，均不包含在目标内。"}},{"name":"Blue-target warning tile","description":"The red-bordered tile initially in the lower middle-left, with a blue concentric target over a yellow-and-black warning triangle. It travels through the lower red socket network, including the leftmost socket beneath the wireless-symbol tile.","membership":"Include the entire moving tile, its red frame, white face, warning triangle, blue target, and attached red directional marker. Exclude empty sockets, connecting lines outside the tile, and temporary glow effects.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":9.25,"evidence":"目标是红框白底、黄色黑边警告三角上叠蓝色同心靶心并带红色方向标的整块移动牌。它从下方中左位置沿红色插槽网络移动，包含无线符号下方的最左插槽；期间发光和扫描效果未使牌本体消失。首个合格帧为0.00秒，最后为17.75秒，持续至视频结束；两端均无边界外采样帧。选9.25秒，此时目标位于左端插槽，轮廓完整、遮挡少，与右侧不带警告三角的靶心牌容易区分。","start_frame":0,"end_frame":432,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[343.75,611.11,421.88,750],"positive_points":[[350,623],[414,624],[382,680],[368,714],[406,681],[411,737]],"negative_points":[[460,678],[538,681],[382,539],[305,680]],"evidence":"目标位于画面下方偏左、无线符号砖块正下方，由红框白底、黄黑警告三角形和蓝色同心靶心识别。边界框覆盖完整砖块及红色方向标记，不含外部连接线。六个正点分布于边框、白色面板、警告图案、蓝靶及方向标记；四个负点位于右侧空插槽、另一蓝靶砖块、上方无线符号砖块和左侧空白砖块。"}},{"name":"Plain blue-target tile","description":"The red-bordered white tile initially near the lower center, with a blue concentric target and red compass-like directional points but no warning triangle. It moves among the lower sockets and settles beneath the right-hand warning tile.","membership":"Include the complete moving tile, its enclosing red border, white interior, blue target, and directional markings. Exclude the surrounding socket network, neighboring warning tile, and transient selection or movement effects.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":10,"evidence":"目标是红框白底、蓝色同心靶及红色方向标记且无警告三角形的完整方块。它从下方中央移经多个插槽，最终位于右侧警告方块下方，身份连续。首个合格帧为0秒，末个为17.75秒，均完整可见；区间覆盖视频首尾，没有边界外的相邻帧。选择10秒作为关键帧，此时目标边框和图案清晰，无遮挡，易与邻近警告方块区分。","start_frame":0,"end_frame":432,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[578.1,609.7,656.3,750],"positive_points":[[586,624],[617,679],[639,648],[640,715],[598,722],[648,740]],"negative_points":[[616,550],[539,682],[694,681],[460,681]],"evidence":"目标位于画面下部中央偏右、右侧警告图块正下方，是带蓝色同心靶和红色方向标记、无警告三角形的红框白色图块。边界框覆盖完整红框及内部内容；正点分布于边框、白色内面和靶标，负点位于上方警告图块、左侧空槽、右侧数字8图块及更左侧带三角形的靶标图块。"}}]}
+{"video_id":96,"video_type":"2D games","targets":[{"name":"Tall +1 block","description":"The lime-green, two-cell-tall puzzle piece initially at the upper left of the piece supply. It has a lower-left socket and upper-right tab and is moved beside the power source.","membership":"Includes the entire shaped piece, black outline, shaded edges, connector tab, and printed '+1'. Excludes socket cutouts, the underlying tiles, cursor, and overlaid signal traces or number indicators.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":17,"reference_s":2.5,"evidence":"目标是最初位于左侧供给区左上方的两格高绿色“+1”拼块，具有左下凹口和右上凸榫；随后被拖到电源右侧，身份连续一致。首个合格帧为0.00秒，末个为16.75秒，期间虽有光路线、数字及其他拼块短暂遮挡，但未消失或退出。区间覆盖视频首尾，边界外均无采样帧。选择2.50秒作为关键帧，此时拼块已放在电源旁，轮廓完整清晰，鼠标和其他拼块未遮挡主体。","start_frame":0,"end_frame":408,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[449.5,492.6,507.8,680.6],"positive_points":[[457.8,508.3],[490.6,510.2],[502.1,542.6],[472.4,542.6],[465.6,654.6],[491.7,631.5]],"negative_points":[[424.5,629.6],[524.0,541.7],[573.4,636.1],[275.0,630.0]],"evidence":"目标是电源右侧的两格高亮绿色“+1”拼块，具有左下插槽和右上凸耳。框覆盖拼块主体、黑色轮廓、阴影边缘及凸耳，不含底部承托砖块。正点分布在上下主体、“+1”和凸耳上；负点位于左侧电源、右侧数字1指示器、灰色砖块及左侧另一块短拼块上。"}},{"name":"Straight +1 block","description":"The small lime-green piece initially at the middle right of the supply, with a left socket and right tab. After several placement attempts, it connects immediately to the right of the tall block.","membership":"Includes the complete piece surface, outline, shading, right tab, and '+1' marking. Excludes the left socket opening, underlying board, cursor, and signal overlays.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":17,"reference_s":2,"evidence":"目标是起初位于左侧供料区中部右侧、带左凹口和右凸榫的短小“+1”绿色块；可连续追踪其试放、返回及最终连接到高块右侧的过程。首个合格帧为0秒，最后为16.75秒，完整块体始终存在。区间覆盖视频首尾，两端均无界外采样帧。选择2秒作关键帧，此时目标仍在供料区，轮廓清晰，未被光标或信号线遮挡。","start_frame":0,"end_frame":408,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[250,492.6,307.8,584.3],"positive_points":[[260,510],[289,512],[303,542],[274,543],[262,569],[291,568]],"negative_points":[[225,541],[279,635],[473,558],[328,541]],"evidence":"目标是左侧供给区右列中间的浅绿色“+1”块，具有左侧凹槽和右侧凸榫。框覆盖该块的表面、轮廓、阴影、标记及右凸榫；正点分布于这些部位，负点位于左侧棋盘、下方另一块、右侧高块及外部背景，避开凹槽和光标。"}},{"name":"Downward-turning +1 block","description":"The small lime-green piece initially at the bottom left of the supply. Its left socket and downward tab distinguish it from the other small pieces. It is placed at the right end of the middle row of the circuit.","membership":"Includes the shaped green body, black boundary, shaded edges, bottom tab, and '+1' marking. Excludes the socket opening, underlying tiles, cursor, and overlaid traces or indicators.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":17,"reference_s":2.5,"evidence":"目标是供料区初始左下角的小型绿色“+1”块，具有左侧凹口和向下凸舌；11秒起被拖动，随后放在电路中排最右端。首个合格帧为0秒，最后为16.75秒，其间完整块体持续存在，移动及叠加指示不改变身份。区间覆盖视频首尾，两端均无界外采样帧。选择2.5秒作关键帧，此时目标在供料区左下角，轮廓清楚且无光标或线路遮挡。","start_frame":0,"end_frame":408,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[200,581.5,250.5,693.5],"positive_points":[[210.4,600.9],[238,601.9],[223.4,631.5],[209.9,662],[242.7,662],[224.5,684.3]],"negative_points":[[276,630],[276,531.5],[222.4,541.7],[180.2,649.1]],"evidence":"目标是左侧供料区左下角的小型绿色“+1”块，以左侧凹口和向下凸出的插片区别于其他块。边框紧贴绿色主体、黑色轮廓、阴影边及底部插片；正点分布于主体、标记和底部插片，负点位于相邻绿色块、上方灰色底砖及外部背景，避开凹口和光标。"}},{"name":"Top-socket +1 block","description":"The small lime-green piece initially at the bottom right of the supply, distinguished by sockets on its top and left and a tab on its right. It is ultimately placed below the downward-turning block, beside the target terminal.","membership":"Includes the complete green piece, its outline, shading, right tab, and '+1' marking. Excludes the top and left cutouts, underlying board, cursor, and signal overlays.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":17,"reference_s":16.75,"evidence":"目标是初始位于供料区右下角、顶部和左侧有凹槽且右侧有凸榫的绿色“+1”块；可连续追踪其拖动、返回供料区及最终放到向下转向块下方、目标端子左侧的过程。首个合格帧为0秒，最后为16.75秒，均显示完整块体；期间短暂遮挡不改变身份。区间覆盖视频首尾，没有边界外采样帧。选择16.75秒作为关键帧，此时目标位置明确，轮廓清晰，光标及信号覆盖较少。","start_frame":0,"end_frame":408,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[549.5,580.6,608.3,680.6],"positive_points":[[556.3,602.8],[593.8,603.7],[572.9,631.5],[565.6,661.1],[591.1,661.1],[603.1,631.5]],"negative_points":[[575.5,541.7],[625.5,640.7],[474,636.1],[575.5,731.5]],"evidence":"目标是中央拼接结构右下方、数字4终端左侧的绿色“+1”块，具有顶部和左侧凹口及右侧凸舌。框覆盖该块的可见轮廓、绿色表面、阴影和标记，不含下方底板。六个正点分布在两侧上肩、标记、下部及右凸舌；负点位于上方另一块、右侧终端、左侧长块及下方外部背景，避开凹口。"}},{"name":"Circuit placement board","description":"The gray tiled puzzle board on the right, with three columns across its upper section, a bottom-center gap, and terminal platforms extending at the lower left and right.","membership":"Includes the actual tiled footprint, tile borders, platform edges, and contents placed on it, including the separately identified blocks and terminals. Follows the board's stepped outline and excludes the bottom-center gap, surrounding green background, detached supply pieces, and floating interaction or result overlays.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":17,"reference_s":0,"evidence":"目标是右侧灰色瓷砖电路放置板：上部三列、底部中央缺口，左右下端各有终端平台，与左侧独立供应区区分明确。首个合格帧为0.00秒，板面、格线和阶梯状边缘已完整呈现；最后合格帧为16.75秒，仍为同一块板，期间放入积木及终端状态变化不改变其身份。区间覆盖视频全长，起点前及终点后均无采样帧。选择0.00秒作为关键帧，此时灰色板面遮挡最少，轮廓和中央缺口最清楚。","start_frame":0,"end_frame":408,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[399.5,411.1,650.5,695.4],"positive_points":[[470.3,444.4],[523.4,457.4],[581.8,518.5],[472.9,661.1],[422.9,631.5],[626.0,635.2]],"negative_points":[[388.0,472.2],[620.8,434.3],[541.7,739.8],[224.0,518.5]],"evidence":"目标是右侧上部三列、底部中央缺口且两端伸出终端平台的灰色电路板。边界框覆盖全部瓷砖、边框、平台及板上终端；正点分布于上部瓷砖、底部瓷砖和左右终端，负点位于板外绿色背景及左侧独立供给块上，不标记中央缺口。"}},{"name":"Power source terminal","description":"The teal terminal at the lower-left end of the circuit board, showing a circular power symbol and a right-facing connector. It is activated after the pieces are assembled.","membership":"Includes the teal housing, black outline, circular inset, power glyph, shaded edges, and right connector. Excludes its supporting tile, outgoing signal trace, tooltip, cursor, and activation emphasis.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":17,"reference_s":0,"evidence":"目标是电路板左下端的青绿色电源端子，具有黑色轮廓、圆形凹槽、电源符号及朝右连接头。首个合格帧为0.00秒，末个为16.75秒；期间虽有拖动积木或光标短暂遮挡，以及激活后的符号亮色变化，端子始终保持同一身份和完整结构。区间到达视频首尾，两侧均无额外采样帧。选择0.00秒作为关键帧，端子结构清晰，无遮挡，且无提示框或激活强调干扰。","start_frame":0,"end_frame":408,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[400,581.5,457.8,678.7],"positive_points":[[407.8,587],[444.3,597.2],[425,609.3],[414.1,640.7],[420.3,671.3],[452.6,631.5]],"negative_points":[[425,687],[474.5,630.6],[475.5,546.3],[377.6,632.4]],"evidence":"目标是电路板左下端带黄色电源符号的青绿色端子。框覆盖外壳、黑色轮廓、圆形嵌件、电源符号、阴影边缘及右侧连接头，不含下方支撑砖块。正点分布于外壳、符号、底部边缘和连接头；负点位于支撑砖块、右侧数字显示器、上方空砖块及左侧背景。"}},{"name":"Circuit value readout","description":"The small ribbed rectangular readout initially displaying a yellow '0' beside the power source. It relocates to the open end of the assembled circuit and updates through '1', '2', '3', and '4'.","membership":"Includes the readout's compact backing, ribbed boundary, small upper projections, and displayed numeral, including its yellow completion state at the target. Excludes the underlying tile or terminal, connecting trace, and cursor.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":17,"reference_s":0,"evidence":"目标是电源旁带肋纹边框和上方小凸起、显示黄色“0”的紧凑读数器；随后随电路开放端移动，数字依次更新为1、2、3、4，最终呈黄色完成状态。首个合格帧为0.00秒，最后为16.75秒；中途被拖动模块短暂遮挡及形态变化不打断其连续存在。区间覆盖视频首尾，两端均无额外相邻帧。选择0.00秒作为关键帧，此时读数器结构完整、无遮挡，且容易与电源和底层方格区分。","start_frame":0,"end_frame":408,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[458.9,600.9,491.1,653.7],"positive_points":[[465.6,604.6],[482.8,605.6],[461.5,620.4],[487.5,634.3],[474.5,628.7],[470.8,649.1]],"negative_points":[[425,629],[476,669],[453,635],[525,546]],"evidence":"目标是电源右侧显示黄色“0”的小型黑色肋纹读数器。边界框紧贴其背板、肋纹边缘和顶部小凸起；正点分布于凸起、边框、背板及数字上，负点位于左侧电源、连接部位及周围灰色瓷砖，均排除在目标之外。"}},{"name":"Target 4 terminal","description":"The teal rounded-square terminal at the lower-right end of the board, initially displaying a white '4' and having a socket on its left.","membership":"Includes the entire terminal housing, outline, shaded edges, corner details, and target numeral. Excludes the left socket cutout, supporting tile, separately identified value readout, and floating result indicators.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":17,"reference_s":0.5,"evidence":"目标是棋盘右下端的青绿色圆角方形终端，初始显示白色“4”，左侧有插接口。其外壳从首帧0.00秒至末帧16.75秒始终完整存在；后续数值读数和浮动结果提示变化不改变终端身份。区间覆盖整个视频，起点之前和终点之后均无采样帧。选择0.50秒作为关键帧，终端轮廓、阴影和白色数字清楚，无遮挡，便于排除左侧接口、底部支撑格及独立读数。","start_frame":0,"end_frame":408,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[599.5,581.5,650,680.6],"positive_points":[[610.94,597.22],[642.19,600],[623.96,629.63],[611.98,656.48],[640.1,658.33],[634.38,616.67]],"negative_points":[[626.04,688.89],[473.96,629.63],[573.96,540.74],[666.67,628.7]],"evidence":"目标是棋盘右下端显示白色“4”的青绿色圆角终端。框紧贴终端外壳、轮廓及底部阴影边缘，不包含下方支撑砖。正点分布于外壳上下部、角部和数字；负点位于下方支撑砖、左侧独立数值显示器、其他棋盘砖及右侧背景，避开左侧插口缺口。"}},{"name":"Circuit signal trace","description":"The thin pale line that appears as blocks connect, running from the power source through the assembled pieces to the current value readout and eventually the target.","membership":"Includes only the visible connected line segments and their bends. The trace remains an open path; excludes the spaces between segments, blocks, terminal housings, and numerical readouts.","id":"obj_009","temporal":{"status":"found","start_s":1.5,"end_s":2.0,"reference_s":1.75,"evidence":"目标是从电源经长条“+1”积木折向数值读数的细白色开放路径，不包括积木和读数。首次完整显示于1.50秒，最后符合条件的帧为1.75秒；前一帧1.25秒尚无完整连线，后一帧2.00秒连线已开始淡出。因此选取这一次连续显现。1.75秒线段及转折清晰，鼠标已移开，适合空间标注。","start_frame":36,"end_frame":48,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[445.8,541.7,524.5,636.1],"positive_points":[[453.6,633.3],[468.8,633.3],[475,604.6],[475,562.0],[489.6,544.4],[513.0,544.4]],"negative_points":[[424.0,625.0],[485.4,645.4],[529.7,558.3],[519.3,638.0]],"evidence":"目标是电源右侧通向当前数值读数的浅色细折线，先向右、再向上、最后向右。框仅覆盖可见线段及转弯；六个正点分布在水平段和竖直段上，负点位于电源、绿色模块、读数外壳及外部背景，不包含在线路中。"}},{"name":"Turn-on tooltip","description":"The yellow tooltip appearing above the power source after assembly, labeled '通電' and 'Turn on.'.","membership":"Includes the tooltip backing, border, downward pointer, and both text lines as one functional panel. Excludes the power terminal, cursor, and underlying puzzle pieces.","id":"obj_010","temporal":{"status":"found","start_s":14.75,"end_s":15.25,"reference_s":15.0,"evidence":"目标是电源上方的黄色提示面板，包含边框、向下指针及“通電”“Turn on.”两行文字。首个合格帧为14.75秒，最后为15.00秒，面板结构和文字均已完整显示。相邻的14.50秒尚无提示框，15.25秒提示框消失并出现数字0气泡。选择15.00秒作为关键帧，提示框完整清晰，便于区分电源、光标和下方拼图。","start_frame":354,"end_frame":366,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[367.2,494.4,483.3,608.3],"positive_points":[[375.5,511.1],[471.9,507.4],[404.2,532.4],[443.2,537.0],[457.3,568.5],[425.5,594.4]],"negative_points":[[436.5,641.7],[417.7,649.1],[476.0,631.5],[526.0,536.1]],"evidence":"目标是电源上方标有“通電”和“Turn on.”的黄色提示框。框选覆盖黄色底板、边框、两行文字及向下的三角指针；六个正点分布于面板与指针，四个负点位于被排除的电源端子、白色光标及相邻绿色拼图块上。"}},{"name":"Running calculation indicator","description":"The floating numerical bubble that steps through '1', '2', '3', and '4' above successive circuit positions after activation. It has a yellow backing during calculation and a black backing at the final result.","membership":"Includes the compact bubble, its downward pointer, and displayed numeral. Excludes the blocks and terminals beneath it, the separate ribbed value readout, and surrounding animation effects.","id":"obj_011","temporal":{"status":"found","start_s":15.25,"end_s":17.0,"reference_s":16.25,"evidence":"目标为激活后浮在电路上方、带向下尖角的数字气泡：15.25秒以黄色“0”完整出现，随后依次显示1、2、3、4，最终变为黑底“4”，连续保留至最后采样帧16.75秒。前一帧15.00秒仅显示“通电”提示，尚无计算数字气泡；区间到达视频末尾，无后续帧。选择16.25秒作为关键帧，黄色“4”气泡轮廓完整清晰，易与下方独立的条纹读数区分。","start_frame":366,"end_frame":408,"reference_frame":390},"grounding":{"status":"found","bbox_xyxy":[605.73,544.44,644.27,608.33],"positive_points":[[610.94,554.63],[639.06,554.63],[614.58,586.11],[638.02,588.89],[626.04,567.59],[624.48,601.85]],"negative_points":[[625,632.41],[575,626.85],[644.27,656.48],[666.67,552.78]],"evidence":"目标是右侧终端上方显示“4”的黄色浮动计算气泡。框覆盖黄色底板、数字及向下指针；六个正点分布在这些部分，负点位于下方独立的条纹读数、绿色加法块、终端底座和右侧背景，均不属于气泡。"}},{"name":"Success message","description":"The white completion message '恰到好处♪' displayed above the right side of the finished circuit.","membership":"Includes only the complete visible text and musical-note character. Excludes the adjacent numerical bubble, underlying blocks, target terminal, and background.","id":"obj_012","temporal":{"status":"found","start_s":16.5,"end_s":17.0,"reference_s":16.5,"evidence":"目标为完成电路右侧上方的白色“恰到好处♪”，仅包含文字与音符。16.5秒首次完整显示，16.75秒仍完整可见；此前16.25秒只有数值4气泡，没有成功文字。区间延续至视频结束17.0秒，之后无采样帧。选择16.5秒作为关键帧，文字清晰完整且无遮挡，可与下方数字气泡及电路区分。","start_frame":396,"end_frame":408,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[555.2,478.7,692.2,531.5],"positive_points":[[565.1,495.4],[576.0,482.4],[609.9,502.8],[634.4,509.3],[663.0,524.1],[685.4,494.4]],"negative_points":[[624.5,571.3],[574.0,632.4],[625.0,447.2],[707.3,518.5]],"evidence":"目标是完成电路右上方的白色“恰到好处♪”。边界框紧贴完整文字和音符，六个正点分布在汉字及音符的白色笔画上；负点位于下方数字气泡、绿色积木及文字外围背景，排除这些非目标内容。"}}]}
+{"video_id":97,"video_type":"2D games","targets":[{"name":"Magic-hat tool button","description":"Wooden button at the upper left showing a black top hat, a wand, and a circular badge reading \"29\".","membership":"Includes the button face and border, hat and wand graphic, and attached number badge. Excludes the surrounding brown background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":0,"evidence":"目标是左上角带木质面板和边框的工具按钮，包含黑色礼帽、魔杖及标有“29”的圆形徽章。首个合格帧为0.00秒，最后合格帧为15.75秒；整个采样序列中该按钮均完整可见，没有退出或消失。区间覆盖视频首尾，两端均无边界外采样帧。选择0.00秒作为关键帧，因为按钮及所有组成部分清晰完整、无遮挡。","start_frame":0,"end_frame":384,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[14,98,188,181],"positive_points":[[59,129],[59,170],[139,170],[103,155],[37,142],[152,116]],"negative_points":[[24,110],[184,158],[96,196],[151,82]],"evidence":"目标位于左上角，是带黑色礼帽、魔杖及“29”圆形徽章的木质按钮。边界框覆盖按钮面板和边框、伸出的魔杖及上方徽章；正点分布在这些组成部分上，负点位于按钮外围的棕色背景。"}},{"name":"Score display","description":"The \"SCORE\" label and changing numeric total on the left side of the wooden header, initially reading \"35532\".","membership":"Includes the label and numeric text as one reading unit. Excludes the wooden backing, central trophy, mode heading, and floating point-award text.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":0,"evidence":"目标为木质页眉左侧的“SCORE”标签及其下方数字总分，不含木质背景、奖杯或浮动加分文字。首个合格帧为0.00秒，显示35532；最后合格帧为15.75秒，显示35619。该读数单元持续存在，数字变化及短暂的飞散方块遮挡不改变其身份。区间覆盖视频首尾，边界外均无采样帧。选择0.00秒为关键帧，标签与数字完整清晰且无遮挡。","start_frame":0,"end_frame":384,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[264,134,441,181],"positive_points":[[300,141],[345,137],[388,141],[309,164],[394,171],[423,177]],"negative_points":[[229,166],[503,153],[500,118],[641,141]],"evidence":"目标是木质顶栏左侧的“SCORE”和下方“35532”。边界框覆盖这两行文字；六个正点分布在标签与数字的笔画上，负点分别位于左侧木质底板、中央奖杯、模式标题及右侧BEST标签，均不属于目标。"}},{"name":"Best-score display","description":"The \"BEST\" label and value \"35532\" on the right side of the wooden header.","membership":"Includes the label and value text. Excludes the wooden backing and adjacent trophy graphic.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":0,"evidence":"目标为木质顶部栏右侧的“BEST”标签及其下方数值“35532”，不含木板和奖杯。首个合格帧为0.00秒，最后为15.75秒；��文字组合在所有采样帧中持续完整可见，未发生退出或消失。区间覆盖视频首尾，两端均无区间外采样帧。选择0.00秒作为关键帧，文字清晰、无遮挡，便于独立标注。","start_frame":0,"end_frame":384,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[567,134,745,181],"positive_points":[[607,138],[630,137],[673,137],[582,160],[651,170],[721,177]],"negative_points":[[769,165],[501,154],[344,169],[645,119]],"evidence":"目标是木质顶栏右侧的“BEST”和下方“35532”。边界框紧密覆盖这两行文字；六个正点分布在标签与数字的笔画上，四个负点位于右侧及上方木质背景、相邻奖杯和左侧分数文字上。"}},{"name":"Pause button","description":"Square wooden control at the upper right with two pale vertical pause bars.","membership":"Includes the button surface, beveled boundary, and pause symbol. Excludes the surrounding background.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":0,"evidence":"目标是右上角带浅色双竖条的方形木质暂停按钮，包含完整按钮表面和斜面边框。首个合格帧为0.00秒，最后为15.75秒，所有采样帧中均完整可见，无淡入淡出或移出画面。区间覆盖视频全长，两端均无边界外采样帧。选择0.00秒作为关键帧，按钮清晰、无遮挡，易于标注。","start_frame":0,"end_frame":384,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[841,121,960,180],"positive_points":[[857,133],[941,135],[856,166],[937,166],[889,151],[913,149]],"negative_points":[[814,150],[975,152],[900,106],[898,195]],"evidence":"目标是图像右上角带两条浅色竖向暂停符号的方形木质按钮。边界框紧贴按钮表面及斜切边缘；正点分布在木质表面和暂停符号上，负点位于按钮四周的外部背景。"}},{"name":"Reward progress indicator","description":"Thin horizontal progress track beneath the score header, with a yellow fill and a gift icon at its right end.","membership":"Includes the track, changing fill, and attached gift marker as one functional indicator. Excludes the score header and Share button.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":0,"evidence":"目标为分数栏下方的细横向进度轨道、黄色填充及右端礼物图标，不含Share按钮。首个合格帧为0.00秒，最后合格帧为15.75秒；整个采样序列中该指示器结构完整，填充长度变化不影响其连续存在。区间覆盖视频首尾，边界外没有采样帧。选择0.00秒作关键帧，轨道、填充和礼物标记均清晰且无遮挡。","start_frame":0,"end_frame":384,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[242,206,763,229],"positive_points":[[266,219],[391,219],[487,219],[564,219],[679,219],[739,220]],"negative_points":[[500,177],[858,234],[530,200],[557,236]],"evidence":"目标位于分数面板下方，是带黄色填充的细横向进度条，右端连接礼物图标。边界框覆盖整条轨道、填充及礼物标记；正点分布在填充、未填充轨道和礼物上，负点位于分数面板、Share按钮及指示器上下的外部背景。"}},{"name":"Share button","description":"Blue button labeled \"Share\" immediately above the board's upper-right edge; it later disappears behind the board edge.","membership":"Includes the blue button face, border, and label wherever visible. Excludes the board and reward indicator.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":7,"reference_s":0.5,"evidence":"目标是棋盘右上边缘上方、带白色“Share”文字的蓝色按钮。首个合格帧为0.00秒，最后合格帧为6.75秒；7.00秒按钮已开始被棋盘边缘遮去，仅剩蓝色顶部，因此不纳入。目标在视频开始时已完整建立，之前没有采样帧。选择0.50秒作为关键帧，按钮边框、蓝色表面和文字清晰可辨。","start_frame":0,"end_frame":168,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[782.1,217.2,945.5,246.9],"positive_points":[[793.3,223.4],[929.5,223.4],[817.3,234.4],[859.0,235.2],[905.4,235.2],[932.7,242.2]],"negative_points":[[737.2,218.8],[865.4,259.4],[966.3,230.5],[857.4,203.1]],"evidence":"目标是棋盘右上边缘上方标有“Share”的蓝色按钮。边界框紧贴其可见按钮面、边框和文字，底部被棋盘遮挡的部分不计入。正点分布于蓝色按钮面和标签；负点位于左侧奖励图标、下方棋盘及按钮外的背景。"}},{"name":"Wooden puzzle board","description":"Large square, wood-framed eight-by-eight grid in the center. Light wooden tiles occupy dark recessed cells, and completed rows and columns clear during play.","membership":"Includes the outer wooden frame, enclosed grid surface, empty cells, and all seated tiles, including separately identified pieces once placed. Excludes independently dragged pieces before placement, detached clearing-animation tiles outside the board, floating score messages, and the translucent touch overlay.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":3.5,"evidence":"目标是画面中央带木质外框的八乘八方形棋盘，包含深色凹槽及已落位的浅色木块。首帧0.00秒至末帧15.75秒，棋盘外框和网格始终完整可见；放置与消行动画只改变内部内容，不中断棋盘的连续出现。区间覆盖视频首尾，两端均无额外采样帧。选择3.50秒为关键帧，此时棋盘清晰完整，无拖动块、消行碎块或浮动分数干扰；半透明触控覆盖层不属于目标。","start_frame":0,"end_frame":384,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[40,246,958,694],"positive_points":[[49,453],[446,283],[113,335],[661,497],[887,657],[446,605]],"negative_points":[[888,586],[152,765],[862,233],[494,743]],"evidence":"目标是中央木框包围的八乘八棋盘，边界框紧贴外框，覆盖内部暗色空格和已放置木块。正点分布于外框、空格及不同位置的木块；负点位于排除的半透明触控圆层、棋盘下方独立方块、Share按钮和外部背景。"}},{"name":"Four-tile square piece","description":"Compact two-by-two wooden piece initially waiting below the board on the left. It is dragged into the board's upper-left area after the first row clear.","membership":"Includes all four constituent tiles and their visible edges as one piece during its independent appearance and placement. Excludes surrounding tray space, underlying board cells, and unrelated seated tiles.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":7.5,"reference_s":0.5,"evidence":"目标是起初位于棋盘下方左侧的四格木质正方形，随后被拖到棋盘左上区域，落位后四块仍完整可辨。首个合格帧为0.00秒，最后为7.25秒；7.50秒第三列消除，目标右侧两块开始飞散，完整方块的连续出现结束。起点已是视频首帧，无更早相邻帧。选择0.50秒作为关键帧，此时四块在托盘中完整、无遮挡，容易与棋盘上的木块区分。","start_frame":0,"end_frame":180,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[94.6,739.8,203.5,793],"positive_points":[[115,750],[176,750],[117,780],[178,780],[135,758],[191,786]],"negative_points":[[70,764],[232,765],[151,718],[795,741]],"evidence":"目标是棋盘下方左侧独立待放置的二乘二木块。边界框紧贴四块木质方砖及其可见边缘；六个正点分布在四块砖上，负点位于周围托盘背景及右侧无关的L形木块上。"}},{"name":"Five-tile corner piece from the right","description":"Five wooden tiles initially below the board on the right, with three tiles across the top and three down the left sharing a corner. It rotates to a bottom-foot orientation and is dragged to the board's left edge.","membership":"Includes the five tiles forming the corner throughout rotation, enlargement, dragging, and placement. Follows the concave outline rather than filling the missing portion of its three-by-three footprint. Excludes underlying board tiles and interaction effects.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":2.75,"reference_s":0.5,"evidence":"目标是起初位于棋盘右下方的五格木质拐角块，随后旋转为底部横脚朝右的形状，放大并拖至棋盘左缘。首个合格帧为0秒，已完整呈现；最后合格帧为2.5秒，五格均已放入棋盘。紧接的2.75秒发生消行，目标中的方格开始散开，完整组合不再保留。区间从视频开头开始，无更早采样帧。选择0.5秒为关键帧，此时五格轮廓清楚、与棋盘分离且无遮挡。","start_frame":0,"end_frame":66,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[767.6,726.6,932.7,806.3],"positive_points":[[785.3,735.9],[804.5,745.3],[794.9,765.6],[788.5,793.8],[852.6,793.0],[903.8,793.0]],"negative_points":[[148.0,766.4],[775.6,656.3],[727.6,765.6],[878.2,841.4]],"evidence":"目标是棋盘右下方的五块木质方砖，当前呈左侧三块竖排、底部三块横排共用角块的形态。紧框覆盖整件，正点分布于五块砖的可见表面；负点位于左下另一方块、棋盘已有砖块及目标外侧背景，未标记其凹口或交互光效。"}},{"name":"Rotation instruction","description":"Centered instruction \"TAP BLOCKS TO ROTATE\" below the available pieces.","membership":"Includes only the instruction's letters. Excludes the background, available pieces, and promotional button.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":0.5,"evidence":"目标是可用拼块下方居中的“TAP BLOCKS TO ROTATE”指示文字，仅包含字母。首个合格帧为0秒，最后合格帧为15.75秒，文字在整个采样序列中持续存在；飞散拼块偶尔短暂遮挡，但未见文字退出或消失。区间到达视频首尾，两端均无外侧采样帧。选择0.5秒作为关键帧，文字完整清晰且无遮挡。","start_frame":0,"end_frame":384,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[274,823.4,727.6,837.5],"positive_points":[[286.9,825.8],[350.9,830.5],[425.5,830.5],[506.4,825.8],[569,830.5],[715,830.5]],"negative_points":[[492,807],[500,853],[798,793],[119,896]],"evidence":"目标是可用拼块下方居中的“TAP BLOCKS TO ROTATE”提示文字。边界框紧贴整行字母，正点分散在各段字母笔画上；负点位于文字上下背景、右侧可用拼块和左下促销按钮上。"}},{"name":"Horizontal two-tile piece","description":"Two adjacent wooden squares presented in the left supply position after the four-tile square is placed. It is dragged to the top row and completes a column.","membership":"Includes both tiles and their edges throughout dragging and placement. Excludes surrounding supply space, underlying grid cells, and clearing effects.","id":"obj_011","temporal":{"status":"found","start_s":5.25,"end_s":7.5,"reference_s":5.75,"evidence":"目标是四格方块放置后出现在左侧供给位的横向双木格，随后被拖至顶行并补满一列。首个合格帧为5.25秒，两个方块及边缘均已完整显示；此前5.00秒尚未出现。最后合格帧为7.25秒，双格完整位于顶行；7.50秒其中一格已随整列清除而脱离，完整目标不再保留。选择5.75秒作关键帧，此时双格独立位于左侧供给位，轮廓清晰且无遮挡。","start_frame":126,"end_frame":180,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[95,753,204,780],"positive_points":[[107,760],[137,760],[121,772],[161,760],[190,766],[170,774]],"negative_points":[[67,766],[234,766],[146,731],[148,800]],"evidence":"目标是棋盘下方左侧待用区中横向相邻的两块木质方块。边界框紧贴两块方块及其边缘；六个正点分布在两块木片上，四个负点位于其左、右、上、下的外围供给区背景，避开方块之间的缝隙。"}},{"name":"Three-tile corner piece from the center","description":"Small corner of three wooden squares presented in the center supply position alongside the two-tile piece. Initially its upper tile is on the right; it remains while the right-hand corner is played, then rotates and is placed into the left-middle board gaps.","membership":"Includes its three tiles throughout rotation, dragging, and placement. Follows the L-shaped outline, excluding the missing fourth square, surrounding background, and unrelated board tiles.","id":"obj_012","temporal":{"status":"found","start_s":5.25,"end_s":15.25,"reference_s":9.0,"evidence":"目标是5.25秒首次完整出现在中央供给位的三格木质拐角，上方单格位于右侧；右侧拐角被使用时它仍留在中央，随后旋转并拖入棋盘左中部空隙。最后合格帧为15.00秒，三格已落入棋盘且结构完整；前邻帧5.00秒中央尚无该块，后邻帧15.25秒其所在行列开始消除、木格散开。选择9.00秒作为关键帧，中央目标完整清晰，与棋盘及右侧同类块分离，无遮挡。","start_frame":126,"end_frame":366,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[445.5,739.8,554.5,793.0],"positive_points":[[514,748],[538,760],[460,775],[481,785],[515,777],[539,786]],"negative_points":[[822,752],[555,656],[387,775],[506,813]],"evidence":"目标是棋盘下方中央的三格木质L形备用块，上格在右侧，下排两格。边界框紧贴这三块木格；六个正点分布在各格内部，负点位于右侧另一备用块、棋盘木格及目标外围背景，未标注缺失的第四格。"}},{"name":"Three-tile corner piece from the right","description":"Small three-square corner presented in the right supply position alongside the two-tile piece. Initially it has two tiles across the top and one below the right tile. After several rotations, it is dragged into the board's lower-left gaps.","membership":"Includes the three constituent tiles throughout rotation, dragging, and placement. Excludes the missing square within its two-by-two footprint, underlying board contents, and interaction overlays.","id":"obj_013","temporal":{"status":"found","start_s":5.25,"end_s":15.25,"reference_s":9.0,"evidence":"目标于5.25秒完整出现在右侧供给位，初始为上方两格、右下方一格；随后旋转并被拖入棋盘左下方，持续追踪其三个组成方块至放置后。前一帧5.00秒尚无该供给块。最后符合条件的是15.00秒；15.25秒第二列消除，目标的左下方块开始解体，三格整体不再完整。选择9.00秒作为关键帧，此时目标在右侧独立显示，轮廓清晰且无遮挡。","start_frame":126,"end_frame":366,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[794.9,739.8,903.8,793.0],"positive_points":[[810.9,746.9],[834.9,758.6],[865.4,746.1],[889.4,759.4],[865.4,773.4],[887.8,785.9]],"negative_points":[[525.6,751.6],[881.4,656.3],[945.5,760.2],[851.0,812.5]],"evidence":"目标是棋盘下方右侧的三格拐角备用块，上排两格、右下方一格。边界框紧贴三块方砖的整体可见范围；六个正点分布在三块砖上，每块两个。负点位于左侧另一备用块、棋盘内��块以及目标右侧和下方的外部背景，未标记缺失方格或交互覆盖层。"}},{"name":"New five-tile corner piece on the left","description":"Five-square wooden corner newly supplied at the left beneath the board during the final clearing animation. Three tiles extend across its top and three down its left edge, sharing the corner.","membership":"Includes the five tiles forming this supplied piece, including portions briefly obscured by flying tiles. Excludes its concave empty area and the separate clearing-animation fragments.","id":"obj_014","temporal":{"status":"found","start_s":15.25,"end_s":16.0,"reference_s":15.25,"evidence":"目标是棋盘下方左侧新补充的五格木质拐角，上边三格、左边三格共用角格。15.25秒首次完整出现，15.00秒该位置尚无此棋块；至最后采样帧15.75秒仍持续存在，期间仅被飞散的消除碎块短暂遮挡。区间延续至视频结尾，无后续帧。选择15.25秒作为关键帧，此时五格轮廓清楚，遮挡最少。","start_frame":366,"end_frame":384,"reference_frame":366},"grounding":{"status":"found","bbox_xyxy":[67.3,726.6,230.8,806.3],"positive_points":[[85,735],[103,745],[147,739],[202,740],[93,766],[93,794]],"negative_points":[[40,767],[263,748],[287,813],[397,837]],"evidence":"目标是棋盘下方左侧新供应的五格木质角块，顶部横排三格、左侧竖排三格，共用左上角。框紧贴五格整体外缘；六个正点分布于全部五块木砖，负点位于外围背景及下方独立飞散木片上，避开角块的凹入空区。"}},{"name":"New five-tile corner piece in the center","description":"Five-square wooden corner newly supplied at the center beneath the board during the final clear, with three tiles along the bottom and three up the right side, sharing a corner.","membership":"Includes all five constituent tiles and their edges. Follows the corner outline and excludes the empty upper-left area, background, and flying clearing tiles.","id":"obj_015","temporal":{"status":"found","start_s":15.25,"end_s":16.0,"reference_s":15.75,"evidence":"目标是棋盘下方中央新出现的五格木质拐角，底边三格、右边三格且共用角格。首个合格帧为15.25秒，五格结构已完整出现；前一帧15.00秒该位置没有此拼块。最后合格帧为15.75秒，目标持续存在，区间到达视频末尾，之后无采样帧。选择15.75秒作关键帧，目标轮廓清楚，与飞散的消除方块较易区分。","start_frame":366,"end_frame":384,"reference_frame":378},"grounding":{"status":"found","bbox_xyxy":[418,726.6,582,806.3],"positive_points":[[553,739],[553,766],[553,792],[498,793],[446,792],[572,801]],"negative_points":[[876,753],[391,878],[646,763],[492,705]],"evidence":"目标位于棋盘下方中央，由底部三块和右侧向上三块共享角块组成，共五块木质方块。边界框紧贴这五块的整体外缘；正点覆盖全部五块及角块边缘，负点位于右侧其他拼块、下方飞散木块和外围背景，未放在拐角内部空区。"}},{"name":"New three-tile corner piece on the right","description":"Three-square wooden corner newly supplied on the right during the final clear, with two tiles across the top and one below the right tile.","membership":"Includes the three connected tiles and their edges. Excludes the missing lower-left square, surrounding background, and clearing-animation fragments.","id":"obj_016","temporal":{"status":"found","start_s":15.25,"end_s":16.0,"reference_s":15.75,"evidence":"目标是最后一次消除时右侧新补充的三格木质角块，上排两格、右下方一格，不包括飞散的消除碎片。15.25秒首次完整出现，15.75秒仍完整可见；前一帧15.00秒该位置尚无此块。区间延续至视频结束，没有后续帧。选择15.75秒为关键帧，角块轮廓清楚且无遮挡，易与消除碎片区分。","start_frame":366,"end_frame":384,"reference_frame":378},"grounding":{"status":"found","bbox_xyxy":[795,740,904,793],"positive_points":[[809,747],[835,760],[862,747],[889,760],[862,774],[889,786]],"negative_points":[[766,754],[933,768],[873,721],[553,767]],"evidence":"目标是棋盘下方右侧新供应的三格木质拐角块，上排两格、右下方一格。边界框紧贴三块木砖的可见外缘；六个正点分布在三格砖面上，负点位于外围背景及左侧另一块候选拼块上，避开缺失的左下格和清除动画碎片。"}}]}
+{"video_id":98,"video_type":"2D games","targets":[{"name":"Wooden puzzle board","description":"A large square nine-by-nine grid with dark wooden cells. Initially, crates, green presents, and glossy outlined cells occupy the upper-right and lower-left corners. Wooden pieces are placed into the grid and completed regions clear.","membership":"Includes the board boundary, dividers, cell surfaces, and all contents seated in its cells, including separately identified placed pieces. Excludes floating pieces not yet seated, the surrounding wood background, and transient sparkles, bubbles, glow, and feedback text.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":3.5,"evidence":"目标是中央大型九乘九深色木质棋盘，包括边框、分隔线、格面及已落格内容。0.00秒时棋盘结构已完整呈现，至最后采样帧12.75秒仍持续完整可见；放置棋块和消除内容未改变棋盘身份。区间覆盖视频首尾，两侧均无额外采样帧。选择3.50秒作为关键帧，此时棋盘边界清晰，没有悬浮拖动棋块或明显消除特效遮挡。","start_frame":0,"end_frame":312,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[49,175,953,683],"positive_points":[[97,202],[801,260],[399,485],[199,598],[498,429],[898,651]],"negative_points":[[498,832],[501,736],[610,99],[194,128]],"evidence":"目标是画面中央的九乘九深木色方格棋盘。边框紧贴棋盘外缘，涵盖分隔线、格面及格内木块、木箱和礼物，不含外围光晕。正点分布于不同区域的格面和已放置物件；负点位于下方浮动木块、周围木纹背景及上方小熊图标。"}},{"name":"Glossy-cell objective counter","description":"Above the board, a dark rounded square with a transparent glossy rim appears over a count initially reading \"18\". The count decreases to \"0\", and a check mark appears inside the square.","membership":"Includes the square emblem, its rim and interior, the completion check mark when present, and the count below as one objective indicator. Excludes surrounding particle effects and the adjacent bear indicator.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0.5,"evidence":"目标是棋盘上方、熊指标左侧的深色圆角方形徽章及下方数字，包含透明光泽边框，数字由18降至0后内部出现勾号。首个合格帧为0.00秒，末个为12.75秒，整个过程中该指标持续完整可见，数值和完成状态变化不改变其身份。区间覆盖视频首尾，两端均无区间外采样帧。选择0.50秒作为关键帧，徽章、光泽边框及数字18清晰完整，无粒子遮挡。","start_frame":0,"end_frame":312,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[347,73,434,151],"positive_points":[[359,82],[389,96],[426,109],[362,116],[378,140],[406,140]],"negative_points":[[610,97],[611,140],[304,107],[393,200]],"evidence":"目标位于棋盘上方，是带透明光泽边框的深色圆角方块及下方数字“18”。边界框覆盖整个方块和计数；正点分布在边框、内部及两个数字笔画上，负点位于右侧小熊及其计数、左侧背景和下方棋盘，排除相邻目标。"}},{"name":"Teddy-bear objective counter","description":"A small brown teddy bear above the board, to the right of the glossy-cell counter, with \"2\" underneath.","membership":"Includes the entire bear graphic and its associated count. Excludes the surrounding background and nearby controls.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标是棋盘上方、光泽方格计数器右侧的棕色泰迪熊及其下方数字“2”。从首个采样帧0.00秒到最后采样帧12.75秒，该组合始终完整可见，身份与位置连续。区间覆盖视频首尾，边界外没有采样帧。选择0.00秒为关键帧，因为小熊轮廓和数字清晰完整，无遮挡。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[575,73.4,647.2,150],"positive_points":[[595,81],[613,89],[609,105],[589,114],[613,134],[610,145]],"negative_points":[[391,98],[829,54],[700,112],[401,140]],"evidence":"目标是棋盘上方、光亮方格计数器右侧的棕色泰迪熊及下方数字“2”。边界框覆盖完整熊图案和关联数字；正点分布于熊的头部、身体、脚及数字笔画，负点位于左侧计数器、主页按钮和右侧背景，均不属于目标。"}},{"name":"Initially dragged L-shaped piece","description":"Four light wooden squares, three across with one beneath the right end. Initially floating over the lower-left corner, it is placed beside the lower-left present.","membership":"Includes the faces and beveled edges of this piece's constituent squares, following its concave outline. Tracks the surviving squares after partial clearing. Excludes cast shadows, placement previews, underlying cells, and other pieces.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0.25,"evidence":"目标是最初悬浮在左下角的四格浅木色L形块（三格横排，右端下接一格），随后放在左下礼物右侧。首个合格帧为0.00秒；部分消除后，右侧两格及右下方一格持续保留至12.75秒。区间覆盖视频首尾，没有边界外的采样帧。选择0.25秒作关键帧，此时四个方块及完整凹形轮廓清晰可见，尚未发生消除。","start_frame":0,"end_frame":312,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[200,593.2,492.6,699.5],"positive_points":[[235,607],[266,633],[342,618],[446,611],[454,633],[443,676]],"negative_points":[[183,591],[298,659],[497,820],[571,697]],"evidence":"目标是悬浮在棋盘左下方礼物旁的四格浅木色L形块，上排三格、右端下方一格。边框紧贴四格的可见面及倒角，不含投影。六个正点分布在各木块表面；负点位于旁边礼物、下方箱格、底部另一块积木及右侧背景。"}},{"name":"Initial center zigzag piece","description":"A four-square horizontal zigzag initially offered beneath the center of the board, with its upper pair offset right. It moves to the lower-left cluster and helps clear the glossy cells there.","membership":"Includes only this piece's wooden squares and beveled edges, following the stepped outline and retaining any surviving squares after clearing. Excludes shadows, underlying board contents, and interaction effects.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":13.0,"reference_s":0,"evidence":"目标是0.00秒棋盘下方中央的四格横向锯齿木块，上排两格向右错开；随后移入左下区域，下排被消除后继续追踪上排残留木格。12.75秒仍可见其左侧残留木格，因此首末合格帧为0.00秒和12.75秒，区间覆盖整个视频，边界外无采样帧。选择0.00秒作关键帧，四格轮廓完整、无遮挡，且与其他候选木块清楚分离。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[425.9,805.2,572.2,859.4],"positive_points":[[494,817],[548,820],[445,846],[499,845],[482,808],[463,853]],"negative_points":[[790,830],[329,675],[583,879],[595,771]],"evidence":"目标是棋盘下方中央的四格木质横向折线块，上排两格相对下排向右错开。边界框紧贴四个木方及其斜边，不含投影。六个正点分布在四格木面和边缘；负点位于右侧两格块、左下方另一木块及外围背景。"}},{"name":"Initial right horizontal domino","description":"Two side-by-side wooden squares initially offered below the board on the right. They are moved into the bottom pair of glossy empty cells in the upper-right cluster.","membership":"Includes both wooden squares and their beveled edges through movement and placement until they clear. Excludes their shadows, glossy cell surrounds, placement previews, and neighboring objects.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":4.75,"reference_s":2.75,"evidence":"目标是开场棋盘右下方的两块横向相邻木方，随后被拖到右上角簇底部的两个空格。首个合格帧为0秒，已完整呈现，之前无采样帧；最后合格帧为4.5秒，两块木方仍完整，仅高亮。4.75秒开始缩小、旋转并消除，不再纳入。选择2.75秒作关键帧，此时两块木方正在棋盘右侧移动，边缘清楚且无遮挡，易与其他棋子区分。","start_frame":0,"end_frame":114,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[646.3,435.9,838,487.5],"positive_points":[[662,445],[721,451],[688,477],[766,444],[820,458],[781,477]],"negative_points":[[702,371],[699,544],[402,482],[701,317]],"evidence":"目标是画面右侧中部并排的两块浅色木方，对应将移入右上角空格的横向骨牌。框覆盖两块木方及其斜切边，不含阴影。六个正点分布在两块木方上；负点位于上方棋盘背景、下方放置预览、左侧其他木块及右上方光亮空格。"}},{"name":"Replacement left horizontal zigzag","description":"A new four-square zigzag offered at the lower left after the initial pieces have been used. Its upper pair is offset right; it is moved to the left edge of the upper-right obstacle cluster.","membership":"Includes this piece's wooden square faces and bevels, following its stepped outline. Continues to include its remaining squares after part of the piece clears. Excludes underlying cells, shadows, and highlighting.","id":"obj_007","temporal":{"status":"found","start_s":3.5,"end_s":13.0,"reference_s":3.75,"evidence":"目标是补充到左下托盘的四格横向之字形木块，上方两格向右错位，随后移至右上障碍群左缘。3.25秒各小方块仍分离、尚未完成呈现；3.5秒轮廓完整，为首个合格帧。部分方格清除后，其余三格继续保留，至最后采样帧12.75秒仍可见，因此区间延至视频末尾13秒，无后续帧。选择3.75秒：目标完整位于托盘中，无遮挡且易与其他木块区分。","start_frame":84,"end_frame":312,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[109.3,805.2,254.6,858.3],"positive_points":[[175,812],[196,826],[232,817],[122,840],[145,853],[183,845]],"negative_points":[[100,801],[266,867],[473,832],[816,831]],"evidence":"目标是画面左下方待选的四块木质横向之字形，上排两块相对下排右移。边界框紧贴四块木方的表面与斜边，不含投影。六个正点分布于四块木方上；负点位于外部背景及中间、右侧的其他待选木块上。"}},{"name":"Replacement center horizontal domino","description":"A new pair of side-by-side wooden squares offered below the board at center alongside the replacement zigzag and five-square piece. It is later placed on the top row immediately left of the upper-right crates.","membership":"Includes the two wooden squares and their beveled edges throughout their movement and seated appearance. Excludes cast shadows, placement indicators, and adjacent pieces.","id":"obj_008","temporal":{"status":"found","start_s":3.25,"end_s":13.0,"reference_s":3.75,"evidence":"目标是替换组中棋盘下方中央的两枚并排木方块，随后移动并落在右上角箱子左侧的顶行。3.25秒首次出现时两块及斜边已完整，仅尺寸较小；此前3.00秒中央尚无这对替换块。此后持续可见，最后12.75秒仍在顶行，故区间延至视频末尾13.00秒，无后续帧。选择3.75秒作为关键帧，此时目标在中央候选区清楚完整，与其他棋块分离且无遮挡。","start_frame":78,"end_frame":312,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[451.9,819.3,546.3,844.3],"positive_points":[[462,824],[485,831],[469,840],[511,825],[535,830],[521,840]],"negative_points":[[232,818],[766,831],[498,790],[463,875]],"evidence":"目标是棋盘下方中央、左右两个候选拼块之间的横向双木方块。边界框紧贴两块木方及其斜切边，不含右下方投影。六个正点分布在两块木方的表面和边缘，四个负点位于左右其他拼块及目标上下方背景。"}},{"name":"Right five-square sideways T piece","description":"Five wooden squares offered below the board on the right: a vertical column of three at the right end of a three-square horizontal middle row. It is dragged into the central-left portion of the grid.","membership":"Includes the five wooden square faces and bevels, following the sideways T outline rather than filling its corner cutouts. Tracks the piece through placement and clearing. Excludes shadows, previews, and neighboring wooden squares.","id":"obj_009","temporal":{"status":"found","start_s":3.25,"end_s":12.5,"reference_s":3.75,"evidence":"目标是右侧待选区由五个木方块组成的横向T形：中排三个，最右列三个。3.0秒尚未出现；3.25秒五个完整方块均已显示，随后放大，并于6.75—7.25秒拖入棋盘中央偏左。最后合格帧为12.25秒，方块仍完整，仅有清除高光；12.5秒其中方块开始缩小、解体消失。选择3.75秒为关键帧，此时轮廓清楚且无遮挡，与其他木块容易区分。","start_frame":78,"end_frame":300,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[741.7,791.1,888.9,872.9],"positive_points":[[863,802],[763,833],[814,832],[864,831],[865,859],[881,810]],"negative_points":[[704,831],[924,843],[521,832],[839,772]],"evidence":"目标是棋盘下方右侧的五块木方组成的侧向T形拼块：右端竖列三块，中间横排三块。边界框紧贴五块木方的表面和斜边，不含投影；正点覆盖所有五块及一处斜边，负点位于外围背景和左侧另一候选拼块上。"}},{"name":"Left horizontal three-square bar","description":"A straight row of three wooden squares offered at the lower left in the next set, alongside a vertical four-square bar and a vertical zigzag. It is placed above the lower-left present, extending rightward.","membership":"Includes the three wooden squares and their beveled edges as one bar through movement and placement. Excludes shadows, underlying cells, and adjacent pieces.","id":"obj_010","temporal":{"status":"found","start_s":8.0,"end_s":13.0,"reference_s":8.5,"evidence":"目标是下方左侧、与竖直四格条和竖向曲折块同时出现的三格横木条，随后移至左下礼物上方并向右延伸。8.00秒三块木平方块已完整出现，之后只是放大；前一帧7.75秒尚未出现。放置后持续可见，最后合格帧为12.75秒，视频于13.00秒结束，无后一帧。选8.50秒作关键帧，此时横条清晰、无遮挡，且与其他木块分离。","start_frame":192,"end_frame":312,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[109.3,819.3,255.6,844.8],"positive_points":[[121.3,825],[142.6,837.5],[170.4,826],[193.5,838],[220.4,825.5],[241.7,837.5]],"negative_points":[[81.5,830.7],[184.3,866.1],[498.1,817.7],[790.7,831.3]],"evidence":"目标是画面左下方待放置的横向三格木条，与中间竖直四格条、右侧折线块并列。边界框紧贴三个木方及其斜边，不含投影。六个正点分布在三个木方上；负点位于左侧和下方外部背景，以及另外两件待放置木块上。"}},{"name":"Center vertical four-square bar","description":"A straight column of four wooden squares offered beneath the center of the board. It is moved upward and placed vertically along the right side of the central wooden formation.","membership":"Includes the four wooden square faces and bevels belonging to this bar, including any surviving portion after clearing. Excludes cast shadows, placement previews, and neighboring board contents.","id":"obj_011","temporal":{"status":"found","start_s":8.0,"end_s":13.0,"reference_s":8.5,"evidence":"8.00秒时，棋盘下方中��首次出现四个完整的木质方块面，随后放大为竖直四格条；7.75秒尚未出现。该条在10.50秒起被上移，11.00秒放在中央木块群右侧。后续消除中上部三格消失，但最下方一格在12.75秒仍然保留，因此延续至视频结束13.00秒，之后无采样帧。选择8.50秒，四格条完整清晰、无遮挡，且与两侧备选块容易区分。","start_frame":192,"end_frame":312,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[475.9,777.1,522.2,887.0],"positive_points":[[488.0,783.3],[508.3,795.8],[495.4,816.7],[504.6,844.8],[488.0,868.2],[508.3,880.2]],"negative_points":[[445,820],[585,857],[185,831],[790,803]],"evidence":"目标是棋盘下方中央由四块木方竖直排列的待用条块。边界框紧贴四块木方的表面与倒角，不包含右侧投影。六个正点分布于四块木方上；负点位于两侧空白背景及左右其他待用木块上。"}},{"name":"Right vertical zigzag piece","description":"Four wooden squares offered below the board on the right, arranged as a vertical zigzag with the lower pair shifted right. It travels across the board and is placed above and to the left of the central formation, completing a central region.","membership":"Includes this piece's wooden squares and beveled edges, following the concave stepped outline. Tracks the remaining squares when part of the piece clears. Excludes shadows, highlighted destination cells, and surrounding pieces.","id":"obj_012","temporal":{"status":"found","start_s":8.25,"end_s":13.0,"reference_s":8.5,"evidence":"目标是棋盘下方右侧的四格木质竖向之字形拼块，下方两格向右错开；随后被拖至中央阵形左上方。8.00秒四格仍分离、尚未完成呈现，8.25秒轮廓已完整。12.75秒部分消除后剩余三格仍清晰存在，按要求继续追踪，因此区间延至视频末尾13.00秒，无后续采样帧。选择8.50秒作为关键帧，此时拼块完整、无遮挡，且与其他拼块分离。","start_frame":198,"end_frame":312,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[767.6,791.1,863,873.4],"positive_points":[[782.4,799.5],[800.9,809.4],[783.3,831.3],[838.9,830.2],[828.7,856.3],[849.1,865.1]],"negative_points":[[499.1,817.7],[232.4,831.8],[908.3,829.7],[735.2,885.4]],"evidence":"目标位于棋盘下方右侧，由四个木方块组成竖向错位的锯齿形。边界框紧贴四块木方及其斜面边缘，不含投影；六个正点分布在各木块上，四个负点位于另外两件待放木块及目标外侧背景。"}},{"name":"New left single-square piece","description":"One light wooden square offered below the board at the left as the central completed region begins clearing.","membership":"Includes the single square's wooden face and beveled boundary. Excludes its cast shadow and the background.","id":"obj_013","temporal":{"status":"found","start_s":12.25,"end_s":13.0,"reference_s":12.5,"evidence":"目标是中央区域开始清除时，棋盘下方左侧新出现的单个浅色木方块，包含木纹表面和倒角边缘。12.25秒首次完整可见，至最后采样帧12.75秒仍持续存在；前一帧12.00秒该位置没有方块。区间延续至视频结束，无后续帧可检查。选择12.50秒作为关键帧，方块轮廓清晰、无遮挡，且与其他候选拼块分离。","start_frame":294,"end_frame":312,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[160.2,819.8,204.6,844.3],"positive_points":[[166.7,822.9],[197.2,823.4],[168.5,830.7],[186.1,828.6],[166.7,840.6],[197.2,839.1]],"negative_points":[[213,848.4],[138.9,830.7],[472.2,817.7],[182.4,864.6]],"evidence":"目标是棋盘下方左侧单独提供的浅色木方块。边界框紧贴其木质表面和倒角边缘，不包括右下方投影。六个正点分布在方块表面及边缘，负点位于投影、周围背景和中间另一组木块上。"}},{"name":"New center three-square L piece","description":"Three wooden squares offered beneath the board at center near the end: two stacked on the left and a third beside the bottom square.","membership":"Includes the three square faces and bevels following the L-shaped outline. Excludes the missing upper-right area, cast shadows, and background.","id":"obj_014","temporal":{"status":"found","start_s":12.25,"end_s":13.0,"reference_s":12.5,"evidence":"目标是棋盘下方中央新出现的三格木质L形块：左侧两格上下叠放，右下再接一格。12.25秒首次完整显示三个方块及其 bevel 边缘，12.75秒仍完整存在。前一采样帧12.00秒该位置尚无此块；区间延续至视频结尾，没有后续帧可检查。选择12.50秒为关键帧，形状清晰、无遮挡，便于区别于左右两侧的候选块。","start_frame":294,"end_frame":312,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[450.9,805.2,546.3,858.9],"positive_points":[[464,811],[484,824],[461,839],[485,852],[514,841],[535,852]],"negative_points":[[417,835],[491,882],[181,833],[815,817]],"evidence":"目标是棋盘下方中央的三块木质方块，左侧上下两块、右下方一块组成L形。边界框紧贴三个方块的表面及斜边，不含投影；六个正点分布在三块方块上，负点位于外围背景及左右两组其他木块上，避开右上缺口。"}},{"name":"New right vertical domino","description":"Two vertically stacked wooden squares offered below the board on the right near the end, alongside the single square and three-square L.","membership":"Includes both wooden square faces and their beveled edges. Excludes cast shadows and surrounding background.","id":"obj_015","temporal":{"status":"found","start_s":12.25,"end_s":13.0,"reference_s":12.75,"evidence":"目标是棋盘下方右侧新出现的两块上下堆叠木方，与左侧单块、中间三块L形木方同时提供。首个合格帧为12.25秒，两块方形面及斜边已完整显示；此前12.00秒该位置尚无目标。最后合格帧为12.75秒，目标仍完整存在，区间延续至13.0秒视频结束，无后续帧。选择12.75秒作为关键帧，目标清晰、无遮挡，易与旁边棋块区分。","start_frame":294,"end_frame":312,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[792.6,805.2,838,859],"positive_points":[[802,814],[826,810],[820,826],[801,840],[826,839],[815,854]],"negative_points":[[857,828],[765,837],[524,845],[182,832]],"evidence":"目标是棋盘下方右侧的竖向双木块，与左侧单块及中间三块L形并列。框紧贴上下两块木面的整体范围，包含倒角但不含投影。六个正点分布在两块木面上；负点位于右侧投影、左侧背景及另外两组木块上。"}}]}
+{"video_id":99,"video_type":"2D games","targets":[{"name":"Tetris playfield","description":"Tall, centrally positioned game board with a dark blue rectangular grid. It initially displays a countdown, then falling tetrominoes and a growing stack along the bottom.","membership":"Includes the board's outer frame, enclosed grid surface, countdown, falling and settled blocks, and landing-position outlines. Excludes the adjacent HOLD and NEXT panels and external statistics.","id":"obj_001","temporal":{"status":"found","start_s":0.5,"end_s":5.0,"reference_s":4.0,"evidence":"目标是画面中央带外框的深蓝色高矩形网格，内部先显示倒计时，随后出现下落方块、落点轮廓和底部堆叠；不含两侧面板和统计。0.25秒仍处于整体淡入的暗淡阶段，0.5秒棋盘外框与网格已完整清晰建立，为首个合格帧。最后合格帧为4.75秒，棋盘持续存在至视频结束，结束边界外没有采样帧。选择4.0秒作为关键帧，棋盘边界清晰完整，内部方块和落点轮廓易于辨认。","start_frame":12,"end_frame":120,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[348,6,654,996],"positive_points":[[360,32],[409,124],[433,333],[591,487],[420,807],[565,944]],"negative_points":[[267,184],[733,456],[957,101],[686,933]],"evidence":"目标是画面中央的高长方形俄罗斯方块棋盘。边界框覆盖外框、内部深蓝网格、下落与底部堆叠方块及落点轮廓。正点分布于外框、不同高度的网格和方块上；负点位于左右相邻的 HOLD、NEXT 面板及右侧分数、行数统计处。"}},{"name":"HOLD panel","description":"Blue panel to the upper left of the playfield, labeled \"HOLD\" and remaining empty throughout the visible gameplay.","membership":"Includes the panel surface, its boundary and slanted lower edge, the HOLD label, and its empty interior. Excludes the surrounding blue background.","id":"obj_002","temporal":{"status":"found","start_s":0.5,"end_s":5.0,"reference_s":3.0,"evidence":"目标是主游戏区左上方标有“HOLD”的空蓝色面板，包含边界和倾斜下缘。0.25秒时仍处于整体淡入的暗淡阶段；0.5秒面板及标签已完整清晰呈现，为首个合格帧。此后持续可见且内部为空，最后合格帧为4.75秒，区间延至视频结束5.0秒，无后续帧可检查。选择3.0秒作为关键帧，面板轮廓、斜下缘和标签清楚且无遮挡。","start_frame":12,"end_frame":120,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[188,10,345,295],"positive_points":[[204,42],[226,65],[308,73],[215,166],[288,185],[329,249]],"negative_points":[[166,137],[268,300],[378,151],[734,154]],"evidence":"目标是主游戏区域左上方标有“HOLD”的空蓝色面板。边界框覆盖面板表面、标签、边框及倾斜下沿；正点分布在文字和空面板表面，负点位于面板外的左侧及下方背景、游戏区和右侧预览区。"}},{"name":"NEXT panel","description":"Tall blue panel immediately right of the playfield, labeled \"NEXT\". Its contents change into a vertically arranged queue of colorful tetromino previews.","membership":"Includes the panel surface, boundary, slanted lower edge, NEXT label, and all preview pieces within it. Excludes the playfield and statistics outside the panel.","id":"obj_003","temporal":{"status":"found","start_s":0.5,"end_s":5.0,"reference_s":1.75,"evidence":"目标是棋盘右侧标有“NEXT”的���色高面板，包含斜下边缘及内部预览方块，不含外侧统计信息。0.25秒画面仍处于淡入，面板明显偏暗；0.50秒面板表面、边界和标签已完整建立，为首个合格帧。之后预览内容变化不影响面板连续性，最后合格帧为4.75秒，区间延续至视频结束5.00秒，之后没有采样帧。选择1.75秒作为关键帧，面板轮廓清楚，标签及四个预览方块完整且无遮挡。","start_frame":12,"end_frame":120,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[655,8,813,743],"positive_points":[[730,64],[736,153],[732,294],[736,437],[734,601],[682,684]],"negative_points":[[604,419],[864,432],[734,859],[266,187]],"evidence":"目标是主游戏网格右侧、顶部标有“NEXT”的蓝色长面板。边界框覆盖面板表面、边框、斜下沿、标题及全部四组彩色预览方块。正点分布在标题、预览方块和底部蓝色表面；负点位于左侧游戏网格、右侧外部背景、下方统计区及左侧HOLD面板。"}},{"name":"Score readout","description":"Upper-right text unit labeled \"SCORE\", with a numeric value that progresses from 0 to 20 and then 38.","membership":"Includes the SCORE label and its associated number. Excludes the surrounding blue background and other readouts.","id":"obj_004","temporal":{"status":"found","start_s":0.5,"end_s":5.0,"reference_s":3.5,"evidence":"目标为右上角“SCORE”标签及其下方数值，数值由0变为20、再变为38。0.25秒仍处于整体淡入阶段，0.5秒标签和数值已完整清晰呈现，为首个合格帧；最后合格帧为4.75秒，目标仍完整可见，故区间延续至视频结束5.0秒，之后无采样帧。选择3.5秒作为关键帧，此时“SCORE”和数值20清晰、无遮挡，且与其他读数易于区分。","start_frame":12,"end_frame":120,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[908.6,22.2,980.5,116.7],"positive_points":[[912.5,26.4],[927.3,36.1],[960.9,29.2],[975.8,34.7],[945.3,100],[977.3,100]],"negative_points":[[875,69.4],[960.9,161.1],[898.4,130.6],[950,551.4]],"evidence":"目标位于右上角，由“SCORE”标签及其下方数值“20”组成。边界框紧密覆盖这两行文字；正点分布在标签和数字的实际笔画上，负点位于外围蓝色背景及下方另一读数的标签处。"}},{"name":"TPM readout","description":"Text unit at the middle-right edge labeled \"TPM\", with a value that changes from 0 through 55 and 86 to 97.","membership":"Includes the TPM label and its associated numeric value. Excludes the background and adjacent panels.","id":"obj_005","temporal":{"status":"found","start_s":0.5,"end_s":5.0,"reference_s":4.75,"evidence":"目标是画面中右侧的“TPM”标签及其下方数值，数值从0变为55、86、97。0.25秒画面仍在淡入；0.5秒该文字单元已完整显示，为首个合格帧，之后持续存在至最后采样帧4.75秒。区间延伸至视频结束5.0秒，之后无采样帧。选择4.75秒作为关键帧，标签与数值97清晰完整，且无遮挡。","start_frame":12,"end_frame":120,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[935.2,541.7,981.3,616.7],"positive_points":[[940.6,545.8],[953.1,547.2],[973.4,551.4],[940.6,594.4],[947.7,611.1],[969.5,591.7]],"negative_points":[[921.9,573.6],[960.9,518.1],[960.9,648.6],[989.8,597.2]],"evidence":"目标位于图像右侧中部，由“TPM”标签及其下方数值“97”组成。边界框紧贴这两行文字的整体范围；六个正点分布在标签和数字的笔画上，四个负点位于文字外围的蓝色背景，避开行间空隙及相邻面板。"}},{"name":"Lines readout","description":"Lower-right text unit beneath the NEXT panel, displaying \"LINES\" above \"40\".","membership":"Includes the LINES label and the number 40 as one reading unit. Excludes the blue backing area and the NEXT panel above.","id":"obj_006","temporal":{"status":"found","start_s":0.5,"end_s":5.0,"reference_s":3.5,"evidence":"目标是NEXT面板下方由“LINES”和“40”组成的读数单元，不含蓝色背景。0.25秒该文字仍处于整体淡入的暗淡阶段，0.5秒首次完整清晰呈现，之后持续可见至最后采样帧4.75秒。区间延伸至视频结束5.0秒，之后无采样帧。选择3.5秒作为关键帧，文字清晰完整且无遮挡。","start_frame":12,"end_frame":120,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[662.5,845.8,760.2,951.4],"positive_points":[[664.8,859.7],[688.3,858.3],[703.1,856.9],[728.1,848.6],[671.1,937.5],[694.5,923.6]],"negative_points":[[644.5,890.3],[775.8,856.9],[707.8,795.8],[725.8,972.2]],"evidence":"目标位于右下方NEXT面板下方，由上行“LINES”和下行“40”组成。边界框紧密覆盖完整两行读数；六个正点分布在标签及数字的实际笔画上，四个负点位于文字单元外围的蓝色背景或相邻边框处，不落在字符间隙或字形内部空洞中。"}},{"name":"Countdown 3","description":"Large white numeral \"3\" near the upper center of the initially empty playfield.","membership":"Includes only the numeral's visible strokes. Excludes the animated square outline around it and the grid behind it.","id":"obj_007","temporal":{"status":"found","start_s":0.5,"end_s":0.75,"reference_s":0.5,"evidence":"目标是空棋盘上方中央的白色数字“3”，不含周围方框。0.25秒时数字随画面仍处于暗淡的淡入阶段；0.5秒时笔画完整、清晰，是首个及最后一个合格采样帧；紧邻的0.75秒帧已替换为数字“2”。选择0.5秒作为关键帧，数字无遮挡，便于单独标注其笔画。","start_frame":12,"end_frame":18,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[480.5,188.9,521.1,284.7],"positive_points":[[488.3,200],[514.1,212.5],[503.9,234.7],[514.8,258.3],[502.3,277.8],[485.9,262.5]],"negative_points":[[464.8,230.6],[535.2,254.2],[502.3,161.1],[500.8,333.3]],"evidence":"目标是空棋盘上方中央的白色倒计时数字“3”。边界框紧贴数字可见笔画，不包含外围方形轮廓或网格；六个正点分布在数字的上弧、中横及下弧笔画，四个负点位于数字外侧的网格背景或方框轮廓上。"}},{"name":"Countdown 2","description":"Large white numeral \"2\" replacing the 3 in the upper portion of the playfield.","membership":"Includes only the numeral's visible strokes. Excludes its surrounding square outline and the underlying grid.","id":"obj_008","temporal":{"status":"found","start_s":0.75,"end_s":1.0,"reference_s":0.75,"evidence":"目标为棋盘上部的大型白色数字“2”，仅包含数字笔画，不含方框和网格。首个及最后一个符合条件的采样帧均为0.75秒，数字结构完整清晰；前一帧0.50秒显示“3”，后一帧1.00秒已替换为“1”。选择0.75秒作为关键帧，因为目标完整可见且无遮挡。","start_frame":18,"end_frame":24,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[480.5,190.3,521.1,284.7],"positive_points":[[487.5,201.4],[502.3,195.8],[515.6,213.9],[510.9,241.7],[485.9,259.7],[504.7,276.4]],"negative_points":[[460.2,223.6],[528.9,302.8],[441.4,341.7],[550,209.7]],"evidence":"目标是棋盘上部白色方框内的大号数字“2”。边界框仅覆盖数字的可见笔画，不含外侧方框和网格；六个正点分布在顶部弧线、右侧转折、斜段及底部横笔上，四个负点位于外侧方框或更远的网格背景。"}},{"name":"Countdown 1","description":"Large white numeral \"1\" replacing the 2 before gameplay begins.","membership":"Includes only the numeral's visible strokes. Excludes the animated surrounding outline and the underlying grid.","id":"obj_009","temporal":{"status":"found","start_s":1.0,"end_s":1.5,"reference_s":1.0,"evidence":"目标为游戏开始前中央的大号白色数字“1”，仅计数字笔画，不含周围动画方框。首个合格帧为1.00秒，最后合格帧为1.25秒，数字均完整可见；前一帧0.75秒显示“2”，后一帧1.50秒数字已消失并进入游戏。选择1.00秒为关键帧，数字清晰且无周围方框干扰。","start_frame":24,"end_frame":36,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[483.6,190.3,510.2,283.3],"positive_points":[[487.5,216.7],[493.8,204.2],[503.1,197.2],[503.9,222.2],[504.7,250],[504.7,276.4]],"negative_points":[[468,236.1],[526.6,236.1],[501.6,161.1],[502.3,313.9]],"evidence":"目标是中央游戏网格上方的大型白色倒计时数字“1”。边界框紧贴数字可见笔画，正点分布在顶部斜笔和竖笔上；负点位于数字外围的网格背景，未将周围动画轮廓或底层网格纳入目标。"}},{"name":"Blue J tetromino in play","description":"Blue four-block piece first visibly falling in the left half of the playfield, with three blocks across its base and one above the left end. It settles at the bottom-left corner.","membership":"Includes the four filled square blocks and their borders, following the piece's concave outline as it moves and settles. Excludes its hollow landing guide, transient flashes, and any matching preview outside the playfield.","id":"obj_010","temporal":{"status":"found","start_s":2.0,"end_s":5.0,"reference_s":2.25,"evidence":"目标是场内蓝色J形四格方块，底部横排三格、左端上方一格；从左半场下落后停在左下角。首个合格帧为2.00秒，前一帧1.75秒仅有空心落点引导，没有实心目标。目标随后持续保留，最后合格帧为4.75秒，故区间延伸至视频结束5.00秒，之后没有采样帧。选择2.25秒作关键帧，此时四格轮廓完整清晰，尚无落定闪光或相邻堆叠干扰。","start_frame":48,"end_frame":120,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[365,873,449,973],"positive_points":[[379,895],[376,911],[378,946],[406,945],[432,938],[438,956]],"negative_points":[[331,929],[407,843],[476,942],[480,869]],"evidence":"目标位于中央棋盘左下角，由底部横排三个蓝色方块和左端上方一个蓝色方块组成。边界框紧贴四块及其边框；六个正点分布在蓝色��上，四个负点位于棋盘外左侧背景及与目标分离的空棋盘区域。"}},{"name":"Red-orange Z tetromino in play","description":"Red-orange zigzag piece placed beside the blue J at the bottom of the board, with its upper pair offset left from its lower pair.","membership":"Includes the four filled blocks and their borders, following the zigzag outline throughout placement and its settled appearance. Excludes drop trails, flashes, neighboring pieces, and previews in the NEXT panel.","id":"obj_011","temporal":{"status":"found","start_s":2.75,"end_s":5.0,"reference_s":3.5,"evidence":"目标是棋盘底部蓝色J块右侧的红橙色Z形四格，上方两格相对下方两格向左错位，不含下落拖影或NEXT预览。首个合格帧为2.75秒，四格结构已完整；前一帧2.50秒该位置只有蓝色J块，目标尚未出现。目标持续保留至最后采样帧4.75秒，因此区间结束于视频末尾5.00秒，之后无帧可检查。选择3.50秒作为关键帧，此时目标已稳定、轮廓清晰且没有下落拖影。","start_frame":66,"end_frame":120,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[419.5,873.6,500.8,972.2],"positive_points":[[432,897],[460,897],[459,943],[486,946],[443,912],[473,958]],"negative_points":[[407,945],[541,898],[452,843],[513,943]],"evidence":"目标是棋盘底部蓝色J块右侧的红橙色Z形四连块，上方两格相对下方两格向左错位。边界框紧贴四个方块及其边框；六个正点分布在上下四格内，负点位于邻近蓝色块、黄色块及上方和右侧的空棋盘区域。"}},{"name":"Yellow O tetromino in play","description":"Yellow two-by-two square piece first seen falling near the upper middle of the board, then placed near the bottom-right, leaving space toward the right wall.","membership":"Includes the complete four-block square, its internal divisions, and outer border as it falls and settles. Excludes its hollow landing outline, neighboring pieces, and yellow previews in the NEXT panel.","id":"obj_012","temporal":{"status":"found","start_s":3.0,"end_s":5.0,"reference_s":3.0,"evidence":"目标是棋盘内黄色四格二乘二方块，3.00秒首次完整出现在棋盘中上部，随后落至底部偏右，与右墙留有空隙；不包括空心落点轮廓及NEXT预览。前一帧2.75秒棋盘内尚无该黄色方块。最后合格帧4.75秒中方块仍完整保留在底部，因此区间延续至视频结束5.00秒，边界后无采样帧。选择3.00秒作为关键帧，因为方块独立悬空、结构清晰且无遮挡。","start_frame":72,"end_frame":120,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[471.9,209.7,528.9,312.5],"positive_points":[[486.7,236.1],[513.3,236.1],[486.7,283.3],[513.3,283.3],[500,216.7],[500,302.8]],"negative_points":[[500,829.2],[460.9,898.6],[734.4,200],[562.5,263.9]],"evidence":"目标是棋盘上部中央正在下落的黄色二乘二方块。框紧贴四个实心小方块的整体外缘，包含内部分隔及边框；六个正点分布于四块内部和上下边框。负点位于底部空心落点轮廓、相邻橙色方块、NEXT预览块及右侧棋盘背景，均不属于目标。"}},{"name":"Green S tetromino in play","description":"Green zigzag piece placed vertically into the bottom stack between the red-orange Z and yellow square, extending one block above them.","membership":"Includes its four filled square blocks and borders, following the rotated zigzag's actual outline. Excludes the drop trail, bright placement flashes, neighboring blocks, and NEXT previews.","id":"obj_013","temporal":{"status":"found","start_s":3.75,"end_s":5.0,"reference_s":4.5,"evidence":"目标是底部红橙色Z块与黄色方块之间竖向放置的绿色S形四格块，顶端高出相邻块一格。首个合格帧为3.75秒，四格结构已完整出现，落下拖影和放置闪光不计入目标；前一帧3.50秒该位置尚无绿色块。最后合格帧为4.75秒，目标持续保留至视频结束，边界后无采样帧。选择4.50秒作为关键帧，此时绿色轮廓清楚，无放置闪光遮挡。","start_frame":90,"end_frame":120,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[473.4,827.8,527.3,972.2],"positive_points":[[486.7,850],[482.8,891.7],[493,908.3],[510.9,895.8],[510.2,944.4],[518.8,956.9]],"negative_points":[[460.2,900],[541.4,945.8],[432,851.4],[511.7,848.6]],"evidence":"目标是棋盘底部红橙色Z块与黄色方块之间的竖向绿色S块，顶部高出邻块一格。边框紧包其四个方格；正点分布在四格的绿色实体上，负点位于相邻红橙块、黄块、紫块及右上方棋盘背景，不包含下落轨迹或预览块。"}},{"name":"Purple T tetromino in play","description":"Purple T-shaped piece first seen falling in the left half of the board. It rotates and settles over the blue and red-orange blocks, with its central stem pointing downward.","membership":"Includes the four filled blocks and their borders throughout rotation, descent, and settlement, following the T-shaped outline. Excludes its hollow landing guide, surrounding grid, and matching NEXT previews.","id":"obj_014","temporal":{"status":"found","start_s":4.0,"end_s":5.0,"reference_s":4.0,"evidence":"目标为棋盘左半部的四格实心紫色T块，排除空心落点提示及NEXT预览。4.00秒首次完整出现并下落，4.25秒旋转为中央突出格朝下，落在蓝色及红橙色方块上方，持续可见至最后采样帧4.75秒。前一帧3.75秒棋盘中尚无实心紫色T块，仅NEXT中有预览。区间延续至视频结束5.00秒，之后无采样帧。选择4.00秒作为关键帧，此时目标悬空、轮廓清晰，与堆叠方块及空心提示易于区分。","start_frame":96,"end_frame":120,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[392.2,305.6,475,406.9],"positive_points":[[432,328],[439,342],[405,377],[417,385],[435,377],[462,380]],"negative_points":[[433,782],[513,375],[721,200],[381,945]],"evidence":"目标是棋盘左半部正在下落的实心紫色T形方块，本帧中央突出块朝上。边界框紧贴四个填充方块及其边框；正点分布在顶部突出块和下方横排三个方块上。负点位于下方空心落点导引、右侧网格、NEXT青色预览及底部蓝色堆积块，均不属于目标。"}},{"name":"Cyan I tetromino in play","description":"Cyan straight tetromino appearing vertically near the top of the board, then moving toward the far-right column and descending beside the existing stack.","membership":"Includes the visible filled squares and borders of the straight piece, including portions entering from the top edge. Excludes its hollow landing-position outline, motion effects, and horizontal cyan previews in the NEXT panel.","id":"obj_015","temporal":{"status":"found","start_s":4.75,"end_s":5.0,"reference_s":4.75,"evidence":"目标是棋盘最右列附近竖直下落的青色四格长条，不含空心落点轮廓和 NEXT 预览。4.50 秒时长条从棋盘顶部进入，尚未完整显露；4.75 秒四个实心方格均完整可见，是首个及最后一个合格采样帧，也最适合作为空间标注关键帧。目标持续至视频结束，5.0 秒之后没有采样帧。","start_frame":114,"end_frame":120,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[606.3,590.3,634.4,784.7],"positive_points":[[618.8,613.9],[619.5,661.1],[619.5,708.3],[619.5,756.9],[611.7,607.0],[627.3,763.9]],"negative_points":[[587.5,673.6],[607.8,855.6],[562.5,900.0],[707.0,555.6]],"evidence":"目标是棋盘最右列正在下降的竖直青色I形方块。框紧贴四个实心方格及其边框，不含外围光晕和下方空心落点轮廓。六个正点分布于四格实体上；负点位于左侧空棋盘、下方空心轮廓、底部黄色方块及NEXT中的蓝色预览。"}}]}
+{"video_id":100,"video_type":"2D games","targets":[{"name":"2048 game board","description":"A four-by-four grid of rounded square cells in the central game display. Its top row reads \"1024\", \"512\", \"256\", and \"32\" throughout, while lower numbered tiles slide, appear, and merge.","membership":"Includes the complete square playing grid, its outer edge, beige gutters, empty cells, and all numbered tile surfaces and text, including tiles moving between cells. Excludes the score readouts and music control beneath the grid and the black side margins.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":0.25,"evidence":"目标为画面中央完整的4×4圆角方格棋盘，含米色外缘、格间沟槽、空格及数字方块；顶行始终为1024、512、256、32。首个合格帧为0秒，最后为11.75秒，期间仅下方棋子移动、生成和合并，棋盘结构持续完整可见。区间覆盖视频首尾，两端均无更外侧采样帧。选择0.25秒作为关键帧，棋盘清晰完整、无遮挡，方块均位于格内，便于与下方分数和音乐控件区分。","start_frame":0,"end_frame":288,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[262.5,0,735.94,844.44],"positive_points":[[321,113],[559,99],[675,317],[443,524],[327,733],[675,737]],"negative_points":[[343,934],[498,914],[164,439],[818,454]],"evidence":"中央四乘四棋盘的首行依次为1024、512、256和32，据此识别目标。边界框覆盖完整方形网格、外缘、米色间隔、空格及数字方块，不含下方计分区。正点分布于各处数字方块和空格表面；负点位于下方分数、音乐按钮及左右黑色边栏。"}},{"name":"Current score readout","description":"The lower-left text block labeled \"SCORE\", with a value that increases from \"15064\" to \"15140\" during play.","membership":"Includes the \"SCORE\" label and the numerical value beneath it as one text unit. Excludes the beige backing surface and adjacent music control.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":0,"evidence":"目标是画面左下方由“SCORE”标签及其下方数字组成的文字单元，不含米色背景和音乐按钮。首个合格帧为0.00秒，末个为11.75秒；全程完整可见，数值从15064���加至15140，数值变化不影响其连续身份。区间覆盖视频全长，起点之前和终点之后均无采样帧。选择0.00秒为关键帧，文字清晰完整、无遮挡，且易与右侧BEST读数区分。","start_frame":0,"end_frame":288,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[300.8,873.6,387.5,954.2],"positive_points":[[314.8,879.2],[337.5,879.2],[360.9,890.3],[309.4,933.3],[343.8,920.8],[382.0,944.4]],"negative_points":[[281.3,905.6],[406.3,933.3],[498.4,909.7],[653.9,933.3]],"evidence":"目标是左下角的“SCORE”及下方数值“15064”。边界框紧贴两行文字的整体范围；六个正点分布在标签和数字笔画上，负点位于外围米色背景、旁边音乐控件及右侧最高分读数上。"}},{"name":"Best score readout","description":"The lower-right text block labeled \"BEST\", displaying \"16864\" throughout.","membership":"Includes the \"BEST\" label and \"16864\" beneath it as one text unit. Excludes the beige backing surface and adjacent music control.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":0,"evidence":"目标是画面右下方由“BEST”和其下“16864”组成的文字单元，不含米色背景及音乐按钮。首个合格帧为0秒，最后合格帧为11.75秒；所有采样帧中该文字均完整可见且内容不变，因此区间覆盖整个视频。视频起点之前及终点之后均无采样帧。选择0秒为关键帧，因为两行文字清晰完整、无遮挡，且易与旁边控件区分。","start_frame":0,"end_frame":288,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[610.9,875,698.4,952.8],"positive_points":[[633.6,879.2],[666.4,879.2],[619.5,933.3],[633.6,941.7],[652.3,919.4],[692.2,936.1]],"negative_points":[[585.9,930.6],[713.3,902.8],[496.9,911.1],[343.8,931.9]],"evidence":"目标位于画面右下方，由“BEST”及下方“16864”组成。边界框紧贴这两行文字的整体范围；六个正点分布在标签和数字的笔画上，负点位于外围米色背景、相邻音乐控件及左侧当前分数上。"}}]}
+{"video_id":101,"video_type":"2D games","targets":[{"name":"Four-armed puzzle board","description":"A gray-walled maze with a dark interior, four offset arms, and a central crossing. It contains the moving colored blocks, square destination markers, and oval portals.","membership":"Include the board's gray walls, dark edging, enclosed play area, and all contents. Follow its stepped outer outline and external concavities; exclude the surrounding dark blue background and watermark.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":0,"evidence":"目标是具有四个错位分支和中央交叉口的灰墙迷宫，包括深色边缘、内部游戏区域及方块、目标框和椭圆传送门。首个合格帧为0.00秒，最后为19.75秒；整个采样序列中棋盘轮廓始终完整，内部方块运动不改变棋盘身份。区间覆盖视频首尾，两端均无区间外采样帧。选择0.00秒作为关键帧，因为棋盘外轮廓清晰完整、无遮挡，内部各类元素易于辨认。","start_frame":0,"end_frame":480,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[246.875,50,753.125,950],"positive_points":[[388.5,98.1],[500,200],[275,609.3],[500,500],[670,500],[545,908]],"negative_points":[[300,230],[660,150],[350,850],[720,820]],"evidence":"目标是中央具有四个错位臂和交叉通道的灰墙迷宫。边界框紧贴棋盘阶梯状外轮廓的最外端，涵盖灰墙、暗色边缘、内部区域及方块、目标框和传送门。正点分布在上、左、下方墙体、中央通道及彩色方块上；负点位于四周外部凹缺处的深蓝背景，均避开棋盘与水印。"}},{"name":"Cyan character block","description":"The bright cyan beveled square with two rectangular eyes, initially in the left passage. It moves through the maze, pushes other blocks, and travels through portals; its eyes change orientation with movement.","membership":"Include the complete moving square, its beveled border, dark interior, and eyes. Follow its visible outline during movement and portal passage. Exclude destination outlines, portal rings, and emitted particles.","id":"obj_002","temporal":{"status":"found","start_s":0.0,"end_s":4.5,"reference_s":0.5,"evidence":"目标是起初位于左侧通道、带双矩形眼睛的亮青色倒角方块，可连续追踪其移至中央再向上移动。首个合格帧为0.00秒，方块已完整呈现；末个合格帧为4.25秒。4.50秒时方块进入顶部传送门，轮廓被遮罩裁去，仅剩窄条，因此结束本次出现。视频起点之前没有采样帧。选择0.50秒为关键帧，此时目标在中央，边框、内部及眼睛清晰完整，且不与其他方块重叠。","start_frame":0,"end_frame":108,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[471.9,450,528.1,550],"positive_points":[[497.9,455.6],[475,490.7],[524.5,501.9],[497.9,544.4],[487,510.2],[512,487]],"negative_points":[[500,200],[594.3,486.1],[378.1,489.8],[500,800]],"evidence":"目标是迷宫中央带两只竖矩形眼睛的亮青色方块。边界框紧贴完整方块，涵盖斜切边框、深色内部和眼睛；六个正点分布于这些部分。负点位于上方浅蓝方块、右侧绿色目的地轮廓、左侧灰色眼睛轮廓及下方橙色方块，均不属于目标。"}},{"name":"Light-blue block","description":"A pale blue beveled square with a dark blue center, initially at the top of the upper passage beneath the orange portal. It is subsequently displaced into the left passage.","membership":"Include the entire block's outer bevel and enclosed face throughout movement. Exclude overlapping destination markers, portal rings, and particles.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1,"evidence":"目标是上方通道橙色传送门下的浅蓝色斜边方块，中央为深蓝色，区别于带眼睛的亮青色方块。首个合格帧为0.00秒，最后为3.00秒；3.25秒该位置已由亮青色方块占据，目标不可见，因此结束本次连续出现。视频起点之前没有采样帧。选择1.00秒作为关键帧，目标完整清晰，与传送门及下方空心标记易于区分。","start_frame":0,"end_frame":78,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[471.9,150,528.1,250],"positive_points":[[498.4,155.6],[499,244.4],[475,196.3],[524.5,200.9],[490.6,209.3],[511.5,215.7]],"negative_points":[[500,142.6],[481.8,301.9],[500,500],[548.4,194.4]],"evidence":"目标是上方通道内、橙色传送门下方的浅蓝色倒角方块。框覆盖完整外侧倒角及深蓝色面，不含传送门、粒子和下方空心标记。六个正点分布在四侧倒角及内部面上；负点位于上方橙色门环、下方空心标记、中央青色方块和右侧灰墙。"}},{"name":"Green block","description":"A mint-green beveled square with a dark green center, initially at the right end of the horizontal passage beside the cyan portal. It later moves leftward with the other blocks.","membership":"Include the complete green block, including its beveled boundary and enclosed face. Exclude destination outlines, portal rings, and particle effects.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":1,"evidence":"目标是初始位于横向通道右端、青色传送门旁的薄荷绿色倒角方块，具有深绿色内面；不包括绿色空心目标框、传送门和粒子。首个合格帧为0.00秒，之后可连续追踪其随其他方块向左移动，末个合格帧为19.75秒，边界及内面仍完整可见。区间覆盖视频首尾，两端均无区间外相邻采样帧。选择1.00秒作为关键帧，此时方块完整清晰、无遮挡，容易与左侧绿色空心框区分。","start_frame":0,"end_frame":480,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[640.625,450,696.875,550],"positive_points":[[643.75,486.11],[668.23,455.56],[692.71,511.11],[666.67,544.44],[658.85,481.48],[673.44,521.3]],"negative_points":[[611.98,467.59],[702.08,486.11],[667.71,400],[500,500]],"evidence":"目标是水平通道右端、青色传送门左侧的薄荷绿色方块。边界框紧贴方块完整的斜面边框及深绿色内表面，不含传送门和粒子。正点分布在四周斜面与内部表面；负点位于左侧绿色目标轮廓、右侧青色传送门、上方背景及中央青色方块。"}},{"name":"Orange block","description":"An orange beveled square with a dark brown center, initially at the bottom of the lower passage above the cyan portal. It later emerges in the right passage and is pushed leftward.","membership":"Include the entire orange block and its enclosed face, following its outline as it moves or passes through a portal. Exclude destination outlines, portal rings, and particles.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":10,"reference_s":1,"evidence":"目标是下方通道内、青色传送门上方的橙色斜边方块，中心呈深棕色，区别于上方的橙色空心目标框。首个合格帧为0秒，已完整显示；最后合格帧为9.75秒。10秒时方块被推入底部传送门，仅余橙色窄条，已开始被出口遮罩移除，因此结束此段出现。视频开头之前没有采样帧。选择1秒作为关键帧，此时方块轮廓完整、无遮挡，易于标注。","start_frame":0,"end_frame":240,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[471.88,750,528.13,850],"positive_points":[[475,787.04],[524.48,802.78],[501.04,755.56],[506.77,843.52],[495.31,786.11],[511.46,818.52]],"negative_points":[[482.29,688.89],[500,860.19],[557.29,788.89],[450.52,789.81]],"evidence":"目标是下方通道末端、青色传送门上方的橙色斜边方块。边界框覆盖橙色边框及深棕色内部，不含传送门、粒子和上方目标轮廓。六个正点分布在方块四周边缘与内部；负点位于上方橙色空心轮廓、下方青色传送门、右侧通道背景及左侧灰墙。"}},{"name":"Light-blue destination square","description":"A small hollow pale blue square fixed in the upper passage, immediately below the light-blue block's initial position.","membership":"Include the square's colored boundary and the area it encloses. Exclude surrounding corridor space and portions of passing blocks outside that boundary.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":0.5,"evidence":"目标是上方通道内、浅蓝色方块初始位置正下方的浅蓝色空心小方框，位置始终固定；方块经过时框内内容变化不影响其身份。首个合格帧为0.00秒，最后为19.75秒，边界均已完整呈现，故区间为[0,20)。区间到达视频首尾，没有更早或更晚的采样帧。选择0.50秒作为关键帧，此时目标轮廓清晰、无遮挡，易与上方实心方块区分。","start_frame":0,"end_frame":480,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[480.21,264.81,519.79,335.19],"positive_points":[[481.77,282.41],[493.75,267.59],[518.23,303.7],[506.25,332.41],[490.1,312.04],[508.33,285.19]],"negative_points":[[500,370.37],[451.56,300.93],[545.83,299.07],[500,209.26]],"evidence":"目标是上方通道内、浅蓝色实心方块正下方的小型浅蓝色空心方框。边界框紧贴其外缘，包含彩色边界及内部区域；六个正点分布在边框和内部，负点位于外围通道、右侧墙面及上方独立方块上。"}},{"name":"White character destination","description":"A white outlined square with two pale rectangular eyes, fixed in the left passage to the right of the orange portal. Its outline briefly enlarges or brightens during interaction.","membership":"Include the complete outlined square, its enclosed area, and the two eyes. Follow the marker's own changing extent; exclude neighboring blocks outside its outline and the surrounding passage.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":0.5,"evidence":"目标是左侧通道内、橙色传送门右方固定的白色方框及两只浅色矩形眼睛；互动时方框会放大或变亮，邻近方块的遮挡不改变其身份。首个合格帧为0.00秒，虽有方块局部遮挡，标记已建立；最后合格帧为19.75秒，仍在原位可见。区间覆盖视频首尾，两端均无额外相邻帧。选择0.50秒作为关键帧，此时白框和双眼清楚完整，与邻近蓝色方块分离。","start_frame":0,"end_frame":480,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[367.7,464.8,407.3,535.2],"positive_points":[[369.3,500.9],[388.0,467.6],[405.7,510.2],[381.8,532.4],[380.2,488.9],[394.3,488.9]],"negative_points":[[349,499],[426,499],[388,569],[500,497]],"evidence":"目标是左侧通道内、橙色传送门右方带两只浅色矩形眼睛的白色方框。边界框紧贴方框外缘，包含完整轮廓、内部区域和双眼。正点分布在四边及双眼上；负点位于框外通道和右侧青色角色上。"}},{"name":"Green destination square","description":"A small hollow green square fixed in the right passage, just left of the green block's initial position.","membership":"Include the green square's boundary and enclosed area. Exclude the surrounding passage and portions of moving blocks extending beyond the marker.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":0.5,"evidence":"目标是右侧通道内、绿色方块初始位置左边的固定空心绿色方框。首个合格帧为0.00秒，最后为19.75秒；中途移动方块经过或遮挡该位置，但前后固定位置与边界确认是同一标记。区间覆盖视频全长，两端均无区间外采样帧。选择0.50秒作为关键帧，此时绿色方框完整清晰，未被方块遮挡。","start_frame":0,"end_frame":480,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[592.708,464.815,632.292,535.185],"positive_points":[[594.271,477.778],[616.667,466.667],[630.729,512.037],[604.167,532.407],[604.167,490.741],[620.833,513.889]],"negative_points":[[567.708,500],[666.667,500],[611.458,426.852],[611.458,562.963]],"evidence":"目标是右侧通道内、绿色实心方块左边的小型绿色空心方框。边界框紧贴绿色标记外缘，包含边框及其围住的区域；六个正点分布在边框和内部，四个负点位于周围通道、墙面及右侧独立绿色方块上。"}},{"name":"Orange destination square","description":"A small hollow orange square fixed in the lower passage, above the orange block's initial position.","membership":"Include the orange outline and the area it encloses. Exclude the surrounding passage and portions of passing blocks outside its boundary.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":0.5,"evidence":"目标是下方通道内、橙色方块初始位置正上方的固定橙色空心方框。首个合格帧为0.00秒，最后为19.75秒；期间经过的方块暂时覆盖其内部，但方框的位置和身份连续不变。区间到达视频首尾，边界外没有采样帧。选择0.50秒作为关键帧，此时橙色轮廓完整清楚，内部无���挡，便于与下方实心方块区分。","start_frame":0,"end_frame":480,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[480.2,664.8,519.8,735.2],"positive_points":[[490.6,667.1],[482.3,683.3],[517.7,698.1],[508.3,732.4],[490.1,712.0],[507.3,685.2]],"negative_points":[[500.0,787.0],[546.9,699.1],[446.9,701.9],[500.0,619.4]],"evidence":"目标是下方通道中、橙色实心方块正上方的小型橙色空心方框。边界框紧贴其外缘，包含橙色轮廓及围住的区域；六个正点分布在轮廓和内部，负点位于下方橙色方块、周围通道及左侧灰墙上。"}},{"name":"Upper orange portal","description":"A horizontal orange oval mounted at the upper end of the top passage, initially directly above the light-blue block. Blocks pass through it to the left-side portal.","membership":"Include the oval ring and its enclosed opening, following changes in the ring's visible shape. Exclude nearby blocks, wall surfaces, and scattered glowing particles.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":8,"evidence":"目标是顶部通道尽头的水平橙色椭圆传送门，初始位于浅蓝色方块正上方；仅识别环及其内部开口，不包含粒子和方块。首个合格帧为0秒，最后为19.75秒，期间环始终可见，形状变化不影响连续性。区间覆盖视频全长，两端均无区间外采样帧。选择8秒作为关键帧，此时环轮廓清楚，与下方方块分离，便于标注。","start_frame":0,"end_frame":480,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[477.6,138.0,522.4,150.9],"positive_points":[[480.7,144.4],[490.6,140.7],[501.0,143.5],[512.0,141.7],[519.8,144.4],[498.4,148.1]],"negative_points":[[500.0,111.1],[500.0,296.3],[488.0,172.2],[443.0,200.0]],"evidence":"目标是顶部通道末端、浅蓝色方块正上方的横向橙色椭圆传送门。边界框紧贴椭圆环及其包围的开口；正点分布于环线和开口内，负点位于上方墙面、下方方块、散落光粒及侧方背景，均不包含在目标内。"}},{"name":"Left orange portal","description":"A vertical orange oval mounted on the left wall of the horizontal passage. It forms the other visible orange portal and is used by the moving blocks.","membership":"Include the complete oval boundary and enclosed opening. Exclude adjacent blocks, the wall, and emitted particles.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":1,"evidence":"目标是水平通道左侧墙面上的竖直橙色椭圆传送门，以完整椭圆边界及内部开口识别，不包括邻近方块、墙体和粒子。首个合格帧为0.00秒，最后为19.75秒，期间持续存在，方块经过不改变其身份。区间覆盖视频首尾，两端均无区间外采样帧。选择1.00秒作为关键帧，此时传送门轮廓清晰，与移动方块分离，便于标注。","start_frame":0,"end_frame":480,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[296.35,460.19,304.17,539.81],"positive_points":[[299.48,466.67],[297.92,481.48],[300,496.3],[301.56,503.7],[298.96,518.52],[300,534.26]],"negative_points":[[286.46,500],[306.77,495.37],[378.13,487.96],[321.35,546.3]],"evidence":"目标是水平通道左端、贴着左墙的竖直橙色椭圆传送门。边界框紧贴完整椭圆边界及其内部开口；六个正点分布于上端、中段和下端。负点位于左侧墙体、右侧喷射粒子、邻近方块及外部通道背景，均不属于目标。"}},{"name":"Right cyan portal","description":"A vertical cyan oval mounted on the far-right wall of the horizontal passage, initially beside the green block.","membership":"Include the cyan oval ring and enclosed opening throughout its animation. Exclude the adjacent wall, moving blocks, and scattered particles.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":14.25,"evidence":"目标是水平通道最右侧墙上的竖直青色椭圆传送门，起初紧邻绿色方块；仅计入椭圆环及内部开口，不含方块、墙体和散落粒子。首个合格帧为0.00秒，最后为19.75秒，期间传送门持续存在，方块移动不改变其身份。区间覆盖视频全长，首尾之外均无采样帧。选择14.25秒作为关键帧，此时方块已移开，青色椭圆轮廓清楚、遮挡较少。","start_frame":0,"end_frame":480,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[696.88,460.19,704.17,539.81],"positive_points":[[699.48,469.44],[698.44,484.26],[701.04,500.93],[698.44,515.74],[699.48,531.48],[702.6,495.37]],"negative_points":[[687.5,454.63],[718.75,503.7],[625,501.85],[677.08,519.44]],"evidence":"目标是水平通道最右端墙上的竖直青色椭圆传送门。边界框紧贴青色环及其围成的开口，不包含散落粒子。正点分布在环和内部开口的不同高度；负点位于左侧粒子、右侧墙体、移动方块及外部通道背景。"}},{"name":"Lower cyan portal","description":"A horizontal cyan oval mounted at the bottom of the lower passage, initially beneath the orange block. It connects visually with the right-side cyan portal during block movement.","membership":"Include the complete cyan ring and its enclosed opening, following its animated outline. Exclude nearby blocks, wall surfaces, and emitted particles.","id":"obj_013","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":13.75,"evidence":"目标为下方通道底端的水平青色椭圆传送门，起初位于橙色方块下方；只计环及其内部开口，不含粒子、方块和墙面。首个合格帧为0.00秒，最后为19.75秒，期间环持续存在，轮廓动画和方块经过未中断其身份。区间覆盖整个视频，两端均无额外相邻帧。选择13.75秒，此时下方通道空出，青色环清晰且无遮挡，便于标注。","start_frame":0,"end_frame":480,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[477.6,849.1,523.4,863.0],"positive_points":[[480.7,856.5],[487.5,852.8],[498.4,854.6],[509.9,852.8],[519.8,856.5],[502.6,860.2]],"negative_points":[[496.4,824.1],[508.9,829.6],[500,886.1],[533.3,812]],"evidence":"目标是下方通道底端的水平青色椭圆传送门。边界框紧贴完整青色环及其围住的开口，不含上方粒子。正点分布于环边和开口内；负点位于上方独立粒子、下方灰墙及右上方外部背景。"}}]}
+{"video_id":102,"video_type":"2D games","targets":[{"name":"Game playfield","description":"The large, three-sided silver-framed playfield on the left, with a dark green and black repeating pattern behind the bricks, moving triangular objects, ball, and paddle.","membership":"Includes the patterned playing surface, its silver top and side boundaries, and all gameplay contents within it, including separately listed children. Excludes the black status area on the right.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标是左侧银色顶边和两侧边框围成的游戏区域，内部为深绿黑色重复纹理，包含砖块、三角物体、球和挡板，不含右侧黑色状态栏。首个合格帧为0.00秒，最后为12.75秒；整个采样序列中区域表面及边界均已完整建立，内部物体移动不影响其连续身份。区间覆盖视频首尾，两端均无额外相邻帧。选择0.00秒作为关键帧，因场地轮廓清晰完整且无遮挡。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[31.25,0,781.25,1000],"positive_points":[[390.63,16.37],[48.18,528.27],[644.53,751.49],[466.8,230.65],[152.34,444.94],[220.7,913.69]],"negative_points":[[898.44,89.29],[878.91,264.88],[875,505.95],[888.67,744.05]],"evidence":"目标是左侧由银色顶边和两侧边框围成的大型游戏区域。边界框覆盖可见边框、绿黑花纹场地及砖块、三角物体、球和球拍，并延伸至图像底边。正点分布在边框、场地和游戏物体上；负点均位于右侧黑色状态区及其显示内容上。"}},{"name":"Gold brick formation","description":"Gold rectangular bricks forming a tall column near the left edge and a horizontal row across the lower part of the brick area, together making an L-shaped barrier.","membership":"Includes the individual bricks in the L-shaped formation throughout their changes in brightness. Excludes gaps between bricks and the large open area beside and above the horizontal row; the open L does not enclose that area.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标是左侧金色砖块高列与砖区下方横排组成的L形障碍，不包括砖间空隙及旁侧开放区域。首个合格帧为0秒，最后为12.75秒；整个采样序列中砖块结构持续完整，局部亮度闪变不影响身份。区间覆盖视频起止，两端均无额外相邻帧可检查。选择0秒为关键帧，此时金色L形清晰完整，未被球或其他物体遮挡。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[125,35.71,746.09,602.68],"positive_points":[[149,48],[145,263],[155,513],[282,584],[470,584],[710,586]],"negative_points":[[400,266],[650,470],[360,665],[234,232]],"evidence":"目标是左侧金色砖块竖列与下方横排组成的L形屏障。边界框覆盖从最上方金砖到横排最右端及底边；正点分布在竖列和横排的砖块内部，负点位于蓝色砖块、三角形物体以及L形旁侧和下方的绿色背景，不包含砖缝。"}},{"name":"Blue diamond brick formation","description":"A compact, stepped diamond arrangement in the upper middle of the playfield, made of alternating dark blue and light blue rectangular bricks around one silver-gray central brick.","membership":"Includes all bricks of this formation, including the central gray brick. Follows the stepped outer extent and excludes the background gaps between bricks and outside the formation.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标是游玩区域上部中央由深蓝、浅��矩形砖及一块银灰色中心砖组成的阶梯状菱形。首个合格帧为0.00秒，最后一个为12.75秒；整个采样序列中该阵列均完整存在，未见淡入、拆解或退出。区间覆盖视频首尾，边界外没有可检查的采样帧。选择0.00秒作为关键帧，因为全部砖块轮廓清晰且无遮挡，易于与周围黄色砖墙区分。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[250,178.57,683.59,424.11],"positive_points":[[465,194],[274,301],[653,303],[464,407],[460,298],[526,336]],"negative_points":[[345,201],[618,391],[228,231],[716,454]],"evidence":"目标是游戏区上方中央由深浅蓝色砖块及一块银灰色中心砖组成的阶梯菱形。边界框紧贴整组砖块的最外侧范围；六个正点分布在顶部、底部、左右端、中心灰砖和浅蓝砖上，负点位于阵列外的绿色背景及左侧独立三角物体上，不标注砖块间隙。"}},{"name":"Upper triangular moving object","description":"The uppermost of the three triangular objects at the start, initially beside the gold column and left of the blue formation. It has a yellow triangular outline, a red center, and green projecting details.","membership":"Includes this object's triangular boundary, enclosed interior, red center, and attached green details as it moves and rotates. Excludes the other two triangular objects and surrounding gameplay elements.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标是0秒时金色竖列右侧、蓝色砖阵左侧三角物体中最上方的一枚，具有黄色轮廓、红色中心和绿色附属细节；可连续追踪其向下、向右及折返移动。首个合格帧为0秒，最后为12.75秒，期间结构完整，未见消失或退出。区间覆盖视频全长，起点之前和终点之后均无采样帧。选择0秒作关键帧，此时目标清晰无遮挡，且与另外两枚三角物体分隔明显。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[210.94,209.82,265.63,258.93],"positive_points":[[217.45,215.77],[221.35,238.1],[234.38,232.14],[250.65,229.17],[236.98,247.02],[256.51,242.56]],"negative_points":[[217.45,357.14],[218.75,498.51],[151.69,227.68],[338.54,264.88]],"evidence":"目标是金色砖列右侧、蓝色阵列左上方三个三角物体中最上面的一个。边界框紧贴其黄色三角边界、包围的内部、红色中心及附着的绿色细节；正点分布于这些部分，负点位于另外两个三角物体、金色砖块和蓝色砖块上。"}},{"name":"Middle triangular moving object","description":"The middle of the three triangular objects at the start, initially beside the gold column below the upper object. It has a yellow triangular outline, a red center, and green projecting details.","membership":"Includes this object's triangular boundary, enclosed interior, red center, and attached green details throughout its movement and rotation. Excludes the initially upper and lower triangular objects and the background.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标是0.00秒时金色竖列右侧三个三角物体中居中的一个，具有黄色轮廓、红色中心和绿色突出细节；可连续追踪其下移、转向右移及旋转，未与另外两个物体混淆。首个合格帧为0.00秒，最后为12.75秒，目标始终完整可见。区间覆盖视频起止边界，两端均无区间外采样帧。选择0.00秒作为关键帧，因为目标无遮挡，且与上下两个相似物体明确分离。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[187.5,334.82,242.19,383.93],"positive_points":[[236.33,339.29],[234.38,357.14],[219.4,357.14],[200.52,355.65],[208.33,368.3],[227.86,375]],"negative_points":[[234.38,232.14],[218.75,500],[154.3,371.28],[267.58,372.02]],"evidence":"目标是金色砖柱右侧三个三角形中的中间一个，位于上方三角形下方，尖端朝左。边界框覆盖其黄色三角边界、内部红色中心及附着的绿色细节；正点分布于这些组成部分，负点位于上、下两个三角形、左侧金砖及右侧背景。"}},{"name":"Lower triangular moving object","description":"The lowest of the three triangular objects at the start, initially just above the horizontal gold row near its left end. It has a yellow triangular outline, a red center, and green projecting details.","membership":"Includes this object's triangular boundary, enclosed interior, red center, and attached green details as it moves and rotates. Excludes the other triangular objects and adjacent bricks.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标是起始时三枚三角物体中最低的一枚，位于金色横排左端上方，具有黄色轮廓、红色中心和绿色突出细节。逐帧可追踪其向右移动、随后在右侧转向并上移，旋转不影响完整呈现。首���合格帧为0.00秒，最后为12.75秒，全程持续可见。区间覆盖视频首尾，两端均无额外相邻采样帧。选择0.00秒作为关键帧，此时目标完整无遮挡，且与另外两枚三角物体上下分离，身份最易区分。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[195.3,468.8,246.1,526.8],"positive_points":[[216.8,477.7],[211.6,494.8],[219.4,500.0],[204.4,515.6],[229.2,506.7],[240.2,507.4]],"negative_points":[[233.1,230.7],[216.8,357.1],[153.0,513.4],[221.4,557.3]],"evidence":"目标是三个三角形中最低的一个，位于横向金色砖排左端上方。边框覆盖黄色三角边界、内部红色中心及附着的绿色突出部分。正点分布在该物体的边界、内部和绿色细节上；负点位于另外两个三角形、左侧金砖及下方外部背景。"}},{"name":"Bouncing ball","description":"The small white ball with an orange center, initially in the lower-left portion of the playfield above the paddle, moving around the playing area.","membership":"Includes the complete white-and-orange ball sprite at its changing position. Excludes nearby bricks, paddle, and any brief brick-impact highlighting.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标是白色外缘、橙色中心的小球，初始位于球拍上方的左下区域，随后在场内连续反弹移动；不包含砖块碰撞时的白色高亮。首个合格帧为0.00秒，最后为12.75秒，各帧中球体结构完整，未观察到退出或消失。区间覆盖视频全长，起点前和终点后均无采样帧。选择0.00秒为关键帧，小球无遮挡，与球拍及砖块分离，易于准确标注。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[156.25,825.89,175.78,843.75],"positive_points":[[163.41,827.38],[158.85,834.08],[164.71,833.33],[169.92,836.31],[173.83,834.08],[165.36,841.52]],"negative_points":[[143.23,811.01],[188.15,833.33],[167.97,863.1],[214.84,915.18]],"evidence":"目标位于画面左下方、球拍上方，是白色外缘、橙色中心的小球。边界框紧贴完整球精灵；六个正点分布在白色边缘和橙色中心，四个负点位于周围场地背景及下方球拍上，排除其他对象。"}},{"name":"Player paddle","description":"The horizontally moving paddle near the bottom of the playfield, with a gray central body, white highlights, and red end caps.","membership":"Includes the entire paddle body, both red end caps, and attached white edge details throughout its horizontal movement. Excludes the ball and the miniature paddle symbols in the status area.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0.5,"evidence":"目标是场地下方横向移动的球拍，具有灰色主体、白色高光和两端红色端帽，区别于小球及右侧状态区的微型球拍符号。首个合格帧为0.00秒，最后为12.75秒；期间球拍始终完整可见。区间覆盖视频首尾，两侧均无额外采样帧。选择0.50秒作为关键帧，球拍完整清晰，与小球及边墙分离，便于标注。","start_frame":0,"end_frame":312,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[214.84,897.32,339.84,933.04],"positive_points":[[229.17,915.18],[321.61,914.43],[272.14,916.67],[273.44,903.27],[216.8,913.69],[337.24,915.18]],"negative_points":[[275.39,661.46],[811.2,473.96],[279.95,870.54],[359.38,916.67]],"evidence":"目标是游戏区域底部的横向球拍，具有灰色主体、白色高光和红色端帽。边界框紧贴完整球拍，包含两端附着的白色细节。六个正点分布在主体、高光和两侧端部；负点位于球、右侧状态区的微型球拍，以及球拍外的背景。"}},{"name":"High-score display","description":"The upper-right text block reading \"HIGH SCORE\" in red above the white value \"88460\".","membership":"Includes the label and its numeric value as one text unit. Excludes the black backing area and the separate player-score display below.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标是右上角红色“HIGH SCORE”及其下方白色“88460”组成的完整文字单元，不包含下方独立的玩家分数。首个合格帧为0.00秒，最后一个为12.75秒，期间始终完整可见且未淡出。区间覆盖视频全程，起点之前和终点之后均无采样帧。选择0.00秒为关键帧，文字清晰、无遮挡，且与下方玩家分数分离明确。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[785.16,71.43,968.75,174.11],"positive_points":[[789.06,88.54],[831.38,75.89],[820.31,112.35],[945.31,122.02],[820.31,151.79],[964.19,158.48]],"negative_points":[[851.56,258.93],[911.46,200.89],[800.78,44.64],[983.07,133.93]],"evidence":"目标是右上角红色“HIGH SCORE”及其下方白色“88460”组成的文字块。边界框紧贴三行文字的整体范围；六个正点分布在标签和数值的实际笔画上。负点位于文字块外的黑色背景及下方独立玩家分数上，不包含文字内部空隙。"}},{"name":"Player-score display","description":"The right-side score readout below the high score, showing \"88460\" in white with a red \"1UP\" label that blinks on and off.","membership":"Includes the player-score digits and the associated \"1UP\" label whenever visible. Excludes the high-score block, life symbols, and black backing area.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0.5,"evidence":"目标是右侧最高分下方的白色“88460”玩家分数及其闪烁的红色“1UP”标签，不含最高分区和生命图标。首个合格帧为0.00秒，最后为12.75秒；数字始终完整可见，标签的周期性闪烁不打断该显示的连续存在。区间覆盖视频首尾，边界外没有采样帧。选择0.50秒作为关键帧，此时数字与“1UP”均完整清晰，且与上方最高分区分明确。","start_frame":0,"end_frame":312,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[792.97,214.29,968.75,281.25],"positive_points":[[800.78,225.45],[820.31,234.38],[820.31,256.7],[852.86,252.23],[894.53,267.86],[963.54,264.88]],"negative_points":[[894.53,157.74],[809.24,473.96],[950.52,226.93],[859.38,306.55]],"evidence":"目标位于右侧最高分下方，由红色“1UP”和白色“88460”组成，边界框紧包这两行文字。正点分布在标签及分数数字的实际笔画上；负点位于上方最高分、下方生命符号及目标外的黑色背景，均不包含在目标中。"}},{"name":"Remaining-lives indicator","description":"Five miniature red-and-gray paddle symbols arranged in two compact rows in the middle of the right-side status area.","membership":"Includes the five miniature paddle symbols as one coherent life-count indicator. Excludes the surrounding black area and the full-size moving paddle in the playfield.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标是右侧状态区中部的五个红灰色迷你球拍符号，上排三个、下排两个，不包括场内移动的大球拍。首个合格帧为0.00秒，最后为12.75秒，全部采样帧中该指示器均完整可见，故区间延续至视频结束13.00秒。区间两端已达视频边界，没有更早或更晚的采样帧。选择0.00秒作为关键帧，五个符号清晰、完整且无遮挡。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[781.25,464.29,964.84,522.32],"positive_points":[[809.24,473.96],[872.4,473.96],[935.55,474.7],[809.24,509.67],[872.4,509.67],[957.68,477.68]],"negative_points":[[859.38,438.24],[859.38,552.08],[981.12,496.28],[218.1,915.18]],"evidence":"目标是右侧状态区中部的五个红灰色迷你挡板，上排三个、下排两个。边界框紧贴这组生命数图标的整体可见范围；正点覆盖五个图标的灰色主体及红色端部，负点位于周围黑色背景和游戏区底部的大挡板上。"}},{"name":"Round display","description":"The lower-right text block reading \"ROUND\" in red above the white number \"10\".","membership":"Includes the round label and number as one text unit. Excludes the black backing area and the adjacent playfield boundary.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标是右下角红色“ROUND”及其下方白色“10”组成的文字单元，不含黑色背景和左侧球场边界。首个合格帧为0.00秒，最后为12.75秒，期间始终完整清晰显示，无淡入淡出或遮挡。区间覆盖视频首尾，边界之外没有采样帧。选择0.00秒作为关键帧，文字完整且易于区分和标注。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[816.41,857.14,968.75,924.11],"positive_points":[[820.31,869.05],[854.82,860.86],[882.81,872.02],[962.89,873.51],[925.78,907.74],[945.31,907.74]],"negative_points":[[859.38,935.27],[981.77,877.98],[885.42,825.89],[768.23,885.42]],"evidence":"目标位于右下角，为红色“ROUND”和下方白色“10”组成的文字单元。边界框紧贴两行文字的整体可见范围；六个正点分布在标签字母及两个数字的笔画上，四个负点位于文字外围的黑色背景和左侧相邻游戏边界上。"}}]}
+{"video_id":103,"video_type":"2D games","targets":[{"name":"Remaining-mine counter","description":"The upper-left black digital display with red seven-segment digits, showing the remaining mine count as flags are placed.","membership":"Includes the recessed rectangular frame, black display surface, and all digits inside it. Excludes the surrounding gray interface and overlaid watermark.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标为左上角带凹陷矩形边框的黑底红色七段数码显示器，数字随插旗改变，区别于右上角计时器。首个合格帧为0.00秒，末个为14.75秒���其边框、显示面及数字始终完整呈现，水印覆盖不改变其连续身份。区间达到视频首尾，两侧均无额外采样帧。选择0.00秒作为关键帧，显示器边界和整体形状清晰，便于排除周围灰色界面及覆盖的水印。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[27.78,3.65,256.94,66.15],"positive_points":[[31.25,48.44],[67.13,12.5],[50.93,48.96],[143.52,13.02],[158.56,47.4],[217.59,51.04]],"negative_points":[[326.39,53.13],[140.05,79.69],[502.31,34.9],[788.19,48.44]],"evidence":"目标是左上角黑底红色七段数字的剩余雷数显示器。边界框紧贴其凹陷矩形边框，包含黑色显示面及数字。正点分布于边框和未被水印遮挡的数字、显示面；负点位于外围灰色界面、中央笑脸和右上角另一显示器，叠加水印不属于目标。"}},{"name":"Face reset button","description":"The square beveled button at the top center containing a yellow face that alternates between a smile and an open mouth during play.","membership":"Includes the entire square button, its beveled border and gray surface, and the enclosed yellow face with black features. Excludes surrounding interface space.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标是顶部中央的方形浮雕重置按钮，包含灰色表面、斜面边框及黄色黑色五官表情。首个合格帧为0.00秒，最后为14.75秒；整个采样序列中按钮结构完整且持续可见，笑脸与张嘴变化不影响其身份。区间覆盖视频起止，两端均无区间外相邻采样帧。选择0.00秒为关键帧，因为按钮完整清晰、无遮挡，且笑脸易于辨认。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[439.81,6.25,568.29,64.06],"positive_points":[[446.76,9.38],[559.03,57.81],[457.18,50],[502.31,22.4],[478.01,35.42],[520.83,42.71]],"negative_points":[[405.09,33.85],[601.85,33.85],[503.47,78.13],[787.04,31.25]],"evidence":"目标是图像顶部中央带黄色笑脸的方形重置按钮。边界框紧贴整个按钮，涵盖立体斜边、灰色表面及笑脸。正点分布在边框、按钮表面和脸部；负点位于按钮两侧及下方的外部背景，以及右侧数字显示器上。"}},{"name":"Elapsed-time counter","description":"The upper-right black digital display with red seven-segment digits that advance during the Minesweeper demonstration.","membership":"Includes the recessed rectangular frame, black display surface, and all digits inside it. Excludes surrounding gray interface space.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标是右上角带凹陷矩形边框的黑底红色七段数字计时器，数字随演示推进变化。首个合格帧为0秒，最后为14.75秒；整个采样序列中边框、显示面和数字均完整可见，没有退出或淡出。区间已覆盖视频首尾，边界外没有采样帧。选择0秒作为关键帧，因为计时器清晰完整且无遮挡，易于与左上角计数器区分。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[750,3.6,979.2,66.1],"positive_points":[[769.7,13],[809,54.7],[855.3,22.9],[886.6,50],[938.7,35.4],[971.1,62]],"negative_points":[[717.6,33.9],[870.4,78.6],[503.5,33.9],[144.7,33.9]],"evidence":"目标是界面右上角的红色七段数字计时显示器。边界框紧贴其凹陷矩形边框，包含黑色显示面和全部数字。正点分布在数字、显示面及边框上；负点位于周围灰色区域、中央笑脸按钮和左侧独立计数器上。"}},{"name":"Minesweeper board","description":"The large bordered grid across the middle of the screen, extending beyond the right edge. Raised gray cells are progressively revealed as blank spaces and colored number clues, while red flags mark mines.","membership":"Includes the visible board surface and outer beveled border, all covered and revealed cells, number clues, and flags. Maintains the complete board region as its contents change. Excludes the surrounding gray background, top status controls, playback controls, and transient interaction indicators.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标为屏幕中部带凸起外边框的扫雷网格，包括灰色方格、已揭开的空白及数字和红旗；右侧超出画面属于指定的裁切设计。首个合格帧为0.00秒，末个为14.75秒，整个期间棋盘表面及边框持续存在，仅内部格子内容变化。区间覆盖视频首尾，两端均无界外采样帧。选择0.00秒为关键帧，棋盘边界清晰，且无明显瞬态交互标记遮挡。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[12.7,345.8,1000,664.1],"positive_points":[[48,349],[176,438],[304,533],[436,648],[685,380],[943,583]],"negative_points":[[516,308],[502,704],[503,36],[935,960]],"evidence":"目标��画面中部向右延伸出屏幕的扫雷棋盘。边界框紧贴可见棋盘及外侧立体斜边，包含所有未揭开格、已揭开区域、数字和红旗。正点分布于边框及棋盘不同位置的格子、数字和旗标；负点位于棋盘上下的灰色背景、顶部笑脸控件和底部停止控件。"}}]}
+{"video_id":104,"video_type":"2D games","targets":[{"name":"Cyan player character","description":"Small cyan pixel-art humanoid with a square head, dark eyes, and a horizontal mouth. Initially stands beside the yellow character, then rides the platform and traverses the checkpoint corridor. Flashes red with a distressed expression after hitting spikes.","membership":"Include the complete character sprite, including head, torso, arms, and legs, through movement, overlap, and color changes. Exclude the other character, platforms, spikes, and checkpoint marker.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":1.75,"evidence":"目标是黄色角色旁的青色方头像素人，包含头、躯干、双臂和双腿。首个合格帧为0.00秒，角色已完整显示；视频起点之前无采样帧。此段最后合格帧为2.00秒；紧邻的2.25秒帧中青色角色消失，仅剩黄色角色，因此在此结束，不合并之后的再现。选择1.75秒作为关键帧，角色完整站在平台上，与黄色角色分离，轮廓清晰且无遮挡。","start_frame":0,"end_frame":54,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[413.54,375,441.67,458.33],"positive_points":[[427.08,378.7],[418.23,395.37],[427.08,423.15],[415.63,431.48],[418.23,453.7],[435.94,453.7]],"negative_points":[[298.96,421.3],[494.79,475],[458.33,407.41],[471.35,145.37]],"evidence":"目标是画面中央偏左、黄色角色右侧的青色像素人。边界框紧贴其完整头部、躯干、双臂和双腿；六个正点分布在这些身体部位上，负点位于黄色角色、灰色平台、右侧背景及上方尖刺上。"}},{"name":"Yellow companion character","description":"Yellow pixel-art humanoid initially beside the cyan character on the left ledge. Later follows onto the moving platform and travels across the spike-filled chamber.","membership":"Include the complete yellow character sprite through changes of pose and expression. Exclude the cyan character and all surrounding level geometry.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.75,"evidence":"目标是起初位于左侧台沿、紧邻青色角色的黄色像素人形，随后登上移动平台。首次合格帧为0.00秒，最后合格帧为3.00秒；期间姿态和表情变化不影响身份。视频从目标已完整出现时开始，没有更早采样帧；紧接的3.25秒切换到另一房间，黄色角色不再可见。选择1.75秒作为关键帧，此时黄色角色完整清晰，与青色角色分离，无遮挡。","start_frame":0,"end_frame":78,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[284.375,375,312.5,458.333],"positive_points":[[298.958,379.63],[289.583,396.296],[298.958,423.148],[286.458,430.556],[290.104,451.852],[307.292,452.778]],"negative_points":[[427.083,419.444],[338.542,475],[270.833,407.407],[299.479,351.852]],"evidence":"目标是中央平台上、青色角色左侧的黄色像素人。边界框紧贴其完整头部、躯干、双臂和双腿；六个正点分布于黄色头部、身体、手和双脚，负点位于青色角色、灰色平台及角色外侧背景。"}},{"name":"Left starting ledge","description":"Gray metal structure at the lower left of the spike chamber, providing the small starting surface beneath the two characters.","membership":"Include the visible solid structure below its walkable upper edge, its outlined metal border, and inset diagonal pattern. Exclude the separate overhead wall, characters, and adjacent spikes.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.75,"evidence":"目标是尖刺房间左下方的灰色起始台，包括台面以下的实体、金属描边和斜线内嵌纹理，不含上方独立墙体。首个合格帧为0秒，最后为3.00秒，期间结构持续完整可见；视频从此处开始，没有更早帧。3.25秒切换到“Mind Your Head”走廊，目标不再可见。选择1.75秒作为关键帧，因为两名角色均已离开起始台，结构轮廓与纹理清楚且无遮挡。","start_frame":0,"end_frame":78,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[125,633.33,200,958.33],"positive_points":[[136.46,646.3],[181.25,672.22],[169.79,762.96],[182.29,921.3],[138.02,773.15],[132.29,920.37]],"negative_points":[[166.67,407.41],[298.96,425],[286.46,475],[208.33,922.22]],"evidence":"目标是画面左下方带金属描边和斜纹嵌板的灰色起始台结构。边界框覆盖其可行走顶边以下的全部可见部分，直到画面底部截断处。正点分布在顶边、实心立柱及斜纹嵌板上；负点位于分离的左上墙体、黄色角色、中央悬空平台和邻近红色尖刺上。"}},{"name":"Moving elevator platform","description":"Long, thin, plain gray horizontal platform spanning most of the spike chamber. It repeatedly rises and falls and carries both characters.","membership":"Include the entire rectangular platform surface and its edges at its current position. Exclude riders, background, and nearby hazards.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.75,"evidence":"目标是尖刺房间内横跨大部分宽度的细长灰色矩形平台，连续上下移动并承载两名角色。首个合格帧为0.00秒，平台已完整显示；最后合格帧为3.00秒。3.25秒切换至“Mind Your Head”走廊，平台不再可见，因此不合并后续重现。区间起于视频开头，没有更早的采样帧。选择1.75秒作为关键帧，平台整体及边缘清晰，与背景和尖刺分离，便于排除上方角色。","start_frame":0,"end_frame":78,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[237.5,458.33,762.5,491.67],"positive_points":[[250,474],[340,480],[440,470],[550,481],[655,472],[750,479]],"negative_points":[[298.5,426],[427.6,426],[500,540],[625,410]],"evidence":"目标是画面中部承载黄、蓝两个角色的细长灰色水平平台。边界框紧贴整个平台的矩形表面及边缘；六个正点分散在平台左右两端和中间，负点位于两个角色及平台上下的外部背景，不包含骑乘者或尖刺。"}},{"name":"Floor spike strip","description":"Continuous row of bright pink upward-pointing spikes across the bottom of the chamber, beneath the moving platform.","membership":"Include the complete contiguous pink spike strip and its shared pink base. Exclude the gray floor structure supporting it and any overlapping character.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.75,"evidence":"目标是移动平台下方、横贯房间底部的连续亮粉色向上尖刺及其共用粉色底边，不含灰色地板。首次合格帧为0.00秒，最后合格帧为3.00秒，期间完整持续可见。区间始于视频开头，没有更早采样帧；紧邻的3.25秒帧切换到无尖刺的走廊，结束此次出现。选择1.75秒作为关键帧，整条尖刺清晰完整，无遮挡，便于与灰色支撑结构区分。","start_frame":0,"end_frame":78,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[200,900,797.92,933.33],"positive_points":[[208.33,922.22],[302.08,919.44],[414.58,921.3],[545.83,921.3],[658.33,921.3],[789.58,921.3]],"negative_points":[[416.67,946.3],[312.5,870.37],[520.83,475],[526.04,41.67]],"evidence":"目标是房间底部、平台下方连续向上的粉色尖刺。框紧贴整排尖刺及其共用粉色底座，不含灰色支撑地板。六个正点分散在整排不同位置的粉色尖刺上；负点位于下方灰色地板、上方暗色背景、移动平台和顶部倒悬尖刺上。"}},{"name":"Upper-left ceiling spike strip","description":"Short row of downward-pointing pink spikes between the left wall and the first narrow hanging metal block.","membership":"Include this contiguous pink row, from its shared upper base to its individual pointed tips. Exclude the gray ceiling and neighboring hanging block.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":0,"evidence":"目标是左墙与第一个窄悬挂金属块之间、具有共同上缘和向下尖端的短排粉色尖刺，不含灰色天花板或金属块。首次合格帧为0.00秒，最后为3.00秒，期间持续完整可见。区间从视频开头开始，无前一帧；紧邻的3.25秒帧已切换到“Mind Your Head”场景，目标消失。选择0.00秒作为关键帧，尖刺轮廓清晰且无遮挡。","start_frame":0,"end_frame":78,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[200,33.333,291.667,66.667],"positive_points":[[203.125,37.963],[208.333,56.481],[227.083,46.296],[245.833,43.519],[264.583,48.148],[283.333,45.37]],"negative_points":[[239.583,11.111],[181.25,50],[312.5,80.556],[245.833,101.852]],"evidence":"目标是左墙与第一个窄悬挂金属块之间的五枚向下粉色尖刺。边界框紧贴整排尖刺的上部基底和尖端；六个正点分布于各尖刺及基底，四个负点分别位于上方灰色天花板、左墙、右邻金属块和下方深色背景。"}},{"name":"First hanging spiked block","description":"Narrow vertical gray metal block near the upper left, with an inset rectangular panel and two pink spikes attached underneath.","membership":"Include the whole metal block, its border and inset details, and the two attached spikes. Follow the pointed lower outline; exclude the separate ceiling spike rows beside it.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":0,"evidence":"目标是画面左上方第一块窄长灰色悬挂金属块，带边框、内嵌矩形面板及底部两枚粉色尖刺，不含旁边的天花板尖刺。首次合格帧为0.00秒，最后合格帧为3.00秒，期间结构完整且持续可见。3.25秒切换至“Mind Your Head”场景，目标不再出现；起点已是视频开头，无更早采样帧。选择0.00秒作为关键帧，目标完整清晰、无遮挡，易于与其他悬挂块区分。","start_frame":0,"end_frame":78,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[293.75,33.33,331.25,166.67],"positive_points":[[296.88,74.07],[322.92,50.93],[312.5,83.33],[317.71,118.52],[302.08,142.59],[320.31,142.59]],"negative_points":[[282.81,45.37],[339.58,45.37],[312.5,198.15],[279.17,106.48]],"evidence":"目标是左上方第一根带内嵌矩形面板的窄灰色悬挂块。边界框覆盖整个金属块及下方两枚粉色尖刺，止于尖刺尖端。正点分布在边框、内嵌面板和两枚尖刺上；负点位于两侧独立的天花板尖刺及块外背景，不包含相邻尖刺排。"}},{"name":"Second ceiling spike strip","description":"Downward-pointing pink spike row between the first and second narrow hanging metal blocks.","membership":"Include only this contiguous pink row and its shared base. Exclude the ceiling backing and the two neighboring blocks.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":0,"evidence":"目标是第一、第二个窄悬挂金属块之间的连续向下粉色尖刺排及其共用底边，不含天花板背景和两侧金属块。首个合格帧为0.00秒，最后为3.00秒，期间结构完整且持续可见；3.25秒切换到另一房间，目标不再可见。区间起于视频开头，无更早采样帧。选择0.00秒作为关键帧，尖刺排清晰完整、无遮挡，易与相邻尖刺区分。","start_frame":0,"end_frame":78,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[331.25,33.33,460.42,66.67],"positive_points":[[338.54,41.67],[357.81,46.3],[378.13,39.81],[398.96,44.44],[417.71,42.59],[452.08,43.52]],"negative_points":[[391.67,16.67],[312.5,78.7],[480.21,77.78],[393.75,100.93]],"evidence":"目标是顶部第一与第二个窄悬挂金属块之间的粉色向下尖刺排。边界框紧贴该排尖刺及其顶部基部，不含天花板和邻接金属块。六个正点分布在尖刺排的粉色实体上；四个负点位于上方天花板、左右金属块及下方背景。"}},{"name":"Second hanging spiked block","description":"Narrow vertical gray metal block near the upper middle of the chamber, with an inset panel and two pink spikes underneath.","membership":"Include the complete gray block, its inset details, and both attached lower spikes. Exclude adjacent ceiling spike rows and the moving platform.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":0,"evidence":"目标是房间上方中部第二个狭长灰色悬挂块，具有内嵌面板和底部两枚粉色尖刺，不含相邻天花板尖刺。首个合格帧为0.00秒，最后为3.00秒，期间完整持续可见；3.25秒切换到另一房间，目标不再可见。区间起于视频开头，无更早帧。选择0.00秒作为关键帧，块体、面板及两枚尖刺清晰且无遮挡。","start_frame":0,"end_frame":78,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[462.5,33.33,500,166.67],"positive_points":[[469.8,54.6],[487.5,116.7],[481.25,79.63],[475,112],[470.8,143.5],[489.6,144.4]],"negative_points":[[452.1,45.4],[508.3,45.4],[481.8,348.1],[515.1,148.1]],"evidence":"目标是画面上方中部、从左数第二个窄悬挂金属块。边界框覆盖完整灰色块体、内嵌面板及下方两枚粉色尖刺。六个正点分布在块体、面板和两枚尖刺上；负点位于相邻天花板尖刺、下方移动平台及右侧背景，均不属于目标。"}},{"name":"Third ceiling spike strip","description":"Short downward-pointing pink spike row between the middle narrow hanging block and the wider hanging block to its right.","membership":"Include the contiguous pink spike shapes and their shared upper base. Exclude neighboring gray blocks and the ceiling.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":0,"evidence":"目标是中央窄悬挂灰块与其右侧宽悬挂灰块之间、连接上方底座的一小排向下粉色尖刺，不包括灰块或天花板。首次合格帧为0.00秒，末次为3.00秒，期间持续完整可见；3.25秒切换到另一房间，目标不再出现。区间始于视频开头，无更早采样帧。选择0.00秒作为关键帧，尖刺轮廓清晰且无遮挡。","start_frame":0,"end_frame":78,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[500,33.33,572.92,66.67],"positive_points":[[507.29,40.74],[526.04,44.44],[545.83,43.52],[563.54,40.74],[508.33,60.19],[564.58,56.48]],"negative_points":[[481.77,78.7],[604.17,74.07],[536.46,13.89],[536.46,101.85]],"evidence":"目标是中间窄悬挂灰块与右侧宽悬挂灰块之间的四枚向下粉色尖刺。边界框紧贴整排尖刺及其顶部基部；六个正点分布于各尖刺的上部和尖端，四个负点位于两侧灰块、上方灰色天花板及下方深色背景。"}},{"name":"Wide hanging spiked block","description":"Wide rectangular gray metal block above the right half of the moving platform, with corner fastener marks and four downward-pointing pink spikes.","membership":"Include the entire metal block, its outlined face and fastener marks, and the four attached spikes. Exclude the separate spike rows on either side.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":0,"evidence":"目标是移动平台右半部上方的宽灰色悬挂矩形块，具有内框、角部紧固标记和四枚向下的粉色尖刺，不包含两侧独立尖刺排。首个合格帧为0秒，最后为3.00秒，期间完整持续可见；3.25秒切换至“Mind Your Head”场景，目标消失。区间始于视频开头，无更早帧。选择0秒为关键帧，目标轮廓和四枚附属尖刺清楚且无遮挡。","start_frame":0,"end_frame":78,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[575,33.33,650,166.67],"positive_points":[[585.94,64.81],[635.42,106.48],[583.33,141.67],[602.08,143.52],[620.83,141.67],[639.58,141.67]],"negative_points":[[562.5,46.3],[658.33,46.3],[610.42,200],[614.58,349.07]],"evidence":"目标是移动平台右半部上方带角部紧固标记的宽灰色悬挂块，下接四枚粉色尖刺。边界框覆盖完整金属块、面板轮廓及四枚尖刺；正点分布在金属面和各尖刺上，负点位于两侧独立刺排、下方背景及移动平台上。"}},{"name":"Upper-right ceiling spike strip","description":"Long downward-pointing pink spike row between the wide hanging block and the large right-hand overhang.","membership":"Include this contiguous pink spike row and its shared upper base. Exclude the gray ceiling and neighboring metal structures.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.5,"evidence":"目标是宽悬挂金属块与右侧大型悬垂结构之间、顶部朝下的连续粉色尖刺及其共同底座，不含灰色天花板。首次合格帧为0.00秒，最后为3.00秒，期间始终完整可见。区间到达视频起点，没有更早帧；紧邻的3.25秒帧已切换到另一房间，目标消失。选择1.50秒作为关键帧，尖刺轮廓清楚、无遮挡，且与邻近结构易于区分。","start_frame":0,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[650,33.33,797.92,66.67],"positive_points":[[657.81,43.52],[677.08,49.07],[713.54,43.52],[733.33,49.07],[770.31,43.52],[789.06,48.15]],"negative_points":[[718.75,13.89],[614.58,83.33],[718.75,101.85],[833.33,111.11]],"evidence":"目标是宽悬挂金属块与右侧大型悬挑结构之间、顶部向下的粉色尖刺长排。边界框紧贴整排尖刺及其上沿底座；六个正点分布在不同尖刺的粉色实体上，四个负点位于上方灰色天花板、两侧金属结构和下方深色背景。"}},{"name":"Right overhead spike strip","description":"Four downward-pointing pink spikes beneath the large metal overhang at the far right of the chamber, above the side passage.","membership":"Include all four connected pink spikes and their shared base. Exclude the supporting gray overhang and the open passage below.","id":"obj_013","temporal":{"status":"found","start_s":0.0,"end_s":3.25,"reference_s":0.0,"evidence":"目标是房间最右侧大型灰色悬挑下方、侧通道上方的四枚向下粉色尖刺及其共用底边，不含灰色支撑。首个合格帧为0.00秒，最后为3.00秒，期间目标完整持续可见；3.25秒切换到“Mind Your Head”房间，目标不再可见。区间始于视频开头，没有更早采样帧。选择0.00秒作为关键帧，因为四枚尖刺轮廓清晰且无遮挡。","start_frame":0,"end_frame":78,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[800,200,872.92,233.33],"positive_points":[[808.85,209.26],[827.6,209.26],[846.35,209.26],[865.1,209.26],[802.6,202.78],[869.79,202.78]],"negative_points":[[832.29,166.67],[837.5,274.07],[778.65,217.59],[848.96,344.44]],"evidence":"目标是画面最右侧大型灰色悬檐下方、通道上方的四枚向下粉色尖刺。边界框紧贴全部四枚尖刺及其顶部基座；正点分布在各尖刺和基座上，负点位于上方灰色悬檐、下方开放通道及左侧背景，均不包含在目标内。"}},{"name":"Right landing ledge","description":"Tall gray metal structure on the right of the spike chamber. Its upper surface forms the landing beside the moving platform and beneath the overhead spikes.","membership":"Include the visible solid structure from its walkable top downward, with its border and diagonally patterned inset. Exclude the separate overhead structure, characters, and moving platform.","id":"obj_014","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.5,"evidence":"目标是尖刺房间右侧的高大灰色金属落脚台，包含可行走顶面、边框及斜纹内嵌板，不包含上方独立悬挂结构或移动平台。首个合格帧为0.00秒，最后为3.00秒；期间结构持续完整呈现，其贴靠画面边缘属于场景设计。视频起点之前没有采样帧；紧邻的3.25���已切换为“Mind Your Head”走廊，目标不再出现。选择1.50秒作为关键帧，因为落脚台轮廓清楚，且没有角色遮挡。","start_frame":0,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[800,366.67,875,958.33],"positive_points":[[808,379],[848,407],[825,536],[818,760],[864,602],[861,922]],"negative_points":[[829,117],[729,650],[771,494],[903,741]],"evidence":"目标是尖刺室右侧的高大灰色落脚结构。边界框从可行走的顶面覆盖至画面底部，包括金属边框和斜纹嵌板。正点分布在顶面边框、灰色主体及斜纹区域；负点位于独立的上方结构、移动平台、左侧背景和右侧黑色区域。"}},{"name":"Initial chamber title","description":"Pale pixel-font text reading “Do Try To Keep Up” beneath the initial view of the spike chamber.","membership":"Include only the complete title lettering. Exclude the black backing area and gameplay graphics.","id":"obj_015","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":0,"evidence":"目标是尖刺房间下方完整的浅色像素字体标题“Do Try To Keep Up”，不包括黑色底板。首次合格帧为0.00秒，最后合格帧为3.00秒，期间标题持续完整可见；紧邻的3.25秒帧已切换为“Mind Your Head”。区间从视频起点开始，没有更早帧。选择0.00秒作为关键帧，标题清晰完整且无遮挡。","start_frame":0,"end_frame":78,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[340.625,962.963,655,996.296],"positive_points":[[342.708,976.852],[403.646,965.741],[479.167,965.741],[530.208,975.926],[568.75,987.037],[643.229,991.667]],"negative_points":[[312.5,976.852],[677.083,976.852],[520.833,879.63],[500,350]],"evidence":"图像底部可见浅色像素字体标题“Do Try To Keep Up”。边界框紧贴完整标题文字，正点分布在标题各部分的字形笔画上；负点位于标题两侧的黑色背景及上方游戏背景、平台处，不包含文字内部空隙。"}},{"name":"Checkpoint marker","description":"Small outlined upright marker containing a legible “C,” mounted on a short base in the corridor. Its pale outline changes tint as the cyan character passes it.","membership":"Include the marker's outer outline, enclosed face and “C,” and attached pedestal. Exclude the character overlapping it and the corridor floor.","id":"obj_016","temporal":{"status":"found","start_s":3.25,"end_s":4.5,"reference_s":3.25,"evidence":"目标是走廊地面上带清晰“C”的浅色直立轮廓标记，包含短底座。首次完整出现于3.25秒，最后符合条件的帧为4.25秒；3.50秒虽被青色角色部分遮挡，但前后可确认是同一标记。相邻的3.00秒和4.50秒均为尖刺平台房间，没有该标记，因此不合并后续重现。选择3.25秒为关键帧，标记完整清晰且无遮挡。","start_frame":78,"end_frame":108,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[577.6,566.67,610.42,633.33],"positive_points":[[593.75,569.44],[583.85,592.59],[604.17,597.22],[591.67,585.19],[596.35,608.33],[594.27,629.63]],"negative_points":[[562.5,596.3],[625,598.15],[593.75,666.67],[593.75,533.33]],"evidence":"目标是走廊中带清晰“C”字的浅色直立检查点标记。边界框紧贴外轮廓、内部面板及底座；六个正点分布于顶部、两侧、字母和底座，四个负点位于标记左右及上方背景和下方地板，不包含标记内部空隙。"}},{"name":"Corridor floor","description":"Broad gray metal floor supporting the cyan character and checkpoint marker in the low-ceiling corridor, with a bordered upper band and diagonal pattern below.","membership":"Include the visible solid floor structure, its upper border, and patterned face. Exclude the checkpoint marker, character, open corridor, and overhead blocks.","id":"obj_017","temporal":{"status":"found","start_s":3.25,"end_s":4.5,"reference_s":3.75,"evidence":"目标是低顶走廊底部的宽灰色金属地板，包含上缘边框和下方斜纹面，支撑检查点标记及青色角色。首次合格帧为3.25秒，最后合格帧为4.25秒；前一帧3.00秒和后一帧4.50秒均为尖刺升降平台房间，不显示该走廊地板。选择3.75秒作为关键帧，地板结构清晰完整，且角色与检查点分开，便于区分目标与非目标。","start_frame":78,"end_frame":108,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[125,633.33,875,958.33],"positive_points":[[166.67,646.3],[479.17,685.19],[828.13,665.74],[213.54,846.3],[531.25,888.89],[801.04,826.85]],"negative_points":[[666.67,598.15],[593.75,596.3],[338.54,530.56],[494.79,324.07]],"evidence":"目标是承托青色角色和紫色检查点的宽灰色金属地板。边界框覆盖地板上沿、横向边框带及下方完整斜纹面板；正点分布在上沿、实心灰色带和斜纹面。负点分别位于角色、检查点、开放走廊和顶部金属块，均不属于地板。"}},{"name":"First corridor title","description":"Pale pixel-font text reading “Mind Your Head,” replacing the chamber title when the checkpoint corridor is first shown.","membership":"Include only the complete title lettering. Exclude the black backing and level geometry.","id":"obj_018","temporal":{"status":"found","start_s":3.25,"end_s":4.5,"reference_s":3.75,"evidence":"目标为画面底部完整的浅色像素字“Mind Your Head”，不包括黑色背景。首次连续出现的首帧为3.25秒，末帧为4.25秒；紧邻之前的3.00秒及之后的4.50秒均显示“Do Try To Keep Up”，因此不合并后续重现。选择3.75秒作为关键帧，标题完整清晰且无遮挡。","start_frame":78,"end_frame":108,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[368.75,962.96,626.56,991.67],"positive_points":[[370.83,977.78],[436.46,978.7],[468.75,969.44],[502.08,985.19],[558.33,979.63],[623.96,978.7]],"negative_points":[[354.17,976.85],[643.23,976.85],[468.75,930.56],[572.92,930.56]],"evidence":"图像底部可见浅色像素字体标题“Mind Your Head”。边界框紧贴完整标题文字，六个正点分布在三个单词的字母笔画上；负点位于标题左右的黑色背景及上方关卡几何区域，不包含文字内部空隙。"}},{"name":"Second chamber title","description":"The returning “Do Try To Keep Up” title below the chamber during the attempt in which the cyan character falls beside the left ledge onto the floor spikes.","membership":"Include only the complete title lettering. Exclude the backing area and gameplay graphics.","id":"obj_019","temporal":{"status":"found","start_s":4.5,"end_s":6.0,"reference_s":4.75,"evidence":"目标是青色角色从左侧台沿旁跌向地板尖刺这一轮中，画面下方再次出现的完整标题“Do Try To Keep Up”，仅指标题文字。首个合格帧为4.50秒，最后为5.75秒；此前4.25秒及此后6.00秒均显示另一场景的“Mind Your Head”标题。选择4.75秒为关键帧，标题完整清晰无遮挡，且青色角色正在左侧下落，便于确认对应轮次。","start_frame":108,"end_frame":144,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[340.625,962.963,654.688,996.296],"positive_points":[[342.708,977.778],[405.729,965.741],[477.083,965.741],[529.688,976.852],[585.938,985.185],[623.438,975.926]],"negative_points":[[312.5,976.852],[682.292,976.852],[500,944.444],[223,822]],"evidence":"图像底部显示完整标题“Do Try To Keep Up”，且青色角色正在左侧台沿旁下落，与描述对应。边界框紧贴整段标题字形；六个正点分布在各单词的笔画上，四个负点位于标题左右背景、上方地板及青色角色处，排除衬底和游戏画面。"}},{"name":"Second corridor title","description":"The returning “Mind Your Head” title beneath the checkpoint corridor after the cyan character's fall onto the floor spikes.","membership":"Include only the complete title lettering. Exclude its black backing area and the corridor graphics.","id":"obj_020","temporal":{"status":"found","start_s":6.0,"end_s":7.0,"reference_s":6.5,"evidence":"目标是青色角色跌落地板尖刺后，再次出现的检查点走廊下方完整“Mind Your Head”标题，仅包含字母。首个合格帧为6.00秒，最后为6.75秒；此前5.75秒及此后7.00秒均为尖刺房间，底部显示“Do Try To Keep Up”。选择6.50秒作为关键帧，标题完整清晰、无遮挡，便于单独标注 lettering。","start_frame":144,"end_frame":168,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[368.75,962.96,627.08,992.59],"positive_points":[[370.31,979.63],[393.75,983.33],[437.5,973.15],[469.79,979.63],[557.81,983.33],[624.48,979.63]],"negative_points":[[338.54,976.85],[656.25,976.85],[500,925.93],[781.25,833.33]],"evidence":"图像底部、检查点走廊下方可见完整标题“Mind Your Head”。边界框仅覆盖标题字母；六个正点分布在三个单词的字形笔画上，四个负点位于标题两侧的黑色背景及上方走廊图形中。"}},{"name":"Final chamber title","description":"The returning “Do Try To Keep Up” title beneath the final extended chamber sequence, in which both characters ride toward the platform's right end.","membership":"Include only the complete title lettering throughout this presentation. Exclude the black backing area and gameplay graphics.","id":"obj_021","temporal":{"status":"found","start_s":7.0,"end_s":13.0,"reference_s":11.0,"evidence":"目标是最后一段延长的机关房间画面下方完整的“Do Try To Keep Up”标题；两名角色随后乘平台向右端移动。首个合格帧为7.00秒，末个为12.75秒，标题全程完整显示。前一帧6.75秒仍是“Mind Your Head”标题，属于另一场景；区间延伸至视频结尾13.00秒，没有后续帧。选择11.00秒作为关键帧，标题清晰无遮挡，且两名角色已靠近平台右端，便于确认此次呈现。","start_frame":168,"end_frame":312,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[340.625,962.963,655.208,996.296],"positive_points":[[342.188,975.926],[403.646,965.741],[478.646,965.741],[529.688,978.704],[567.708,980.556],[642.188,984.259]],"negative_points":[[312.5,976.852],[677.083,976.852],[500,750],[520.833,870.37]],"evidence":"图像底部可见完整标题“Do Try To Keep Up”，上方两名角色位于平台右端，与描述相符。边界框紧贴整段标题文字，包含下伸笔画；六个正点分布于各词的实际字形笔画，四个负点位于标题外的黑色区域、平台及游戏背景，不包含文字内部空隙。"}}]}
+{"video_id":105,"video_type":"2D games","targets":[{"name":"Reactor programming board","description":"The large dark tiled board showing interwoven red and blue instruction paths. It contains input and output zones, labeled command circles, directional arrows, and animated atoms and bonded molecules being transported and rearranged.","membership":"Include the board boundary, tiled surface, zone markings, programmed paths, instruction symbols, and molecular animations within it. Molecules remain included as their positions and structures change. Exclude the surrounding reference diagrams, bottom controls, and transient highlighting effects.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":0,"evidence":"目标是中央大型深色分格反应器编程板，具有红蓝交织路径、指令圆圈、方向箭头及输入输出区域；不包括外围参考图和底部控件。首个合格帧为0.00秒，最后为29.75秒，期间板面、边界和布局始终完整，分子移动及临时高亮不改变其身份。区间覆盖视频全长，起点之前及终点之后均无采样帧。选择0.00秒为关键帧，因为板面完整清晰，且没有大面积临时高亮遮扰。","start_frame":0,"end_frame":720,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[114.6,2.8,886.5,827.8],"positive_points":[[156.3,62.5],[294.8,244.4],[463.5,393.1],[757.3,448.6],[375,779.2],[821.9,616.7]],"negative_points":[[50,172.2],[944.8,533.3],[446.9,887.5],[945.8,326.4]],"evidence":"目标是画面中央带红蓝交织指令路径的大型深色棋盘。边界框紧贴整个编程板，涵盖网格表面、输入输出区域、指令圆标、路径及板内分子。正点分布于板内不同位置的表面和指令内容；负点位于左侧参考图、右侧分子参考区及计数区、底部控制栏，均不属于编程板。"}},{"name":"First mixed-feed molecular diagram","description":"The uppermost small grid at the left, showing two green C atoms and two dark outlined Ω atoms in a stepped arrangement.","membership":"Include the rectangular grid boundary, its interior, and all atom circles and bonds inside it. Exclude the probability label beneath it and the next diagram.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":0,"evidence":"目标是画面左侧最上方的小矩形网格，内部有两个绿色C原子和两个深色描边Ω原子，呈阶梯状连接；不包含下方概率文字及下一幅图。首个合格帧为0.00秒，最后为29.75秒，整个采样序列中网格边界、内部和分子结构均完整可见。区间覆盖视频起止，两端均无区间外的相邻帧。选择0.00秒作关键帧，目标清晰完整、无遮挡，易与下方图图区分。","start_frame":0,"end_frame":720,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[16.7,11.1,95.8,118.1],"positive_points":[[26,25],[26,51.4],[46.9,52.8],[46.9,77.8],[78.1,26.4],[72.9,101.4]],"negative_points":[[54.2,129.2],[46.9,181.9],[106.3,59.7],[7.3,69.4]],"evidence":"目标为左上角最上方的小网格，内有两个绿色C原子和两个深色描边Ω原子，呈阶梯状排列。边界框覆盖完整矩形网格、内部区域及原子和键；正点分布于四个原子及网格内部，负点位于下方概率标签、下一幅分子图及网格外背景。"}},{"name":"Second mixed-feed molecular diagram","description":"The middle small grid at the upper left, showing a horizontal C–Ω–Ω chain with another green C below its right end.","membership":"Include this grid's boundary, surface, atom symbols, and bonds. Exclude the neighboring feed diagrams and the probability text below.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":0,"evidence":"目标是左上方三个小网格中的中间一个，内有横向 C–Ω–Ω 链及右端下方的绿色 C；范围包括该网格边界、表面、原子和键，不含下方概率文字。首个合格帧为 0.00 秒，最后为 29.75 秒，期间网格始终完整可见。区间覆盖视频首尾，两端均无区间外采样帧。选择 0.00 秒作为关键帧，因为目标清晰、无遮挡，且与相邻图示易于区分。","start_frame":0,"end_frame":720,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[16.67,141.67,95.83,247.22],"positive_points":[[17.19,153.47],[26.04,229.17],[45.83,181.94],[65.63,181.94],[86.46,181.94],[86.46,208.33]],"negative_points":[[46.88,77.78],[53.13,259.72],[45.83,312.5],[115.63,194.44]],"evidence":"目标是左上方三个小网格中的中间一个，内有横向 C–Ω–Ω 链及右端下方的绿色 C。边界框紧贴该网格，包含边界、表面、原子符号和化学键。正点分布在网格边界、表面及四个原子上；负点位于上下相邻分子图、下方概率文字及右侧网格外区域。"}},{"name":"Third mixed-feed molecular diagram","description":"The lowest of the three upper-left feed grids, displaying a taller branching arrangement of green C and dark Ω atoms.","membership":"Include the complete rectangular grid and its enclosed molecular structure. Exclude the probability label below and the separate hydrogen reference farther down.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":0,"evidence":"目标是左上方三个进料网格中最下方的矩形网格，内含较高的分支状绿色C与深色Ω原子结构；不包括下方概率标签及更下方的氢气参考图。首个合格帧为0秒，最后为29.75秒，期间网格及内部结构持续完整可见。区间覆盖视频首尾，两端均无边界外采样帧。选择0秒作为关键帧，目标清晰完整且无遮挡，易与上方两个网格区分。","start_frame":0,"end_frame":720,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[16.67,272.22,95.83,379.17],"positive_points":[[45.83,286.11],[65.63,286.11],[45.83,338.89],[45.83,363.89],[25,320.83],[84.38,351.39]],"negative_points":[[55.21,390.28],[45.83,609.72],[45.83,184.72],[106.25,319.44]],"evidence":"目标是左上三组进料网格中最下方的一组，内有纵向分支排列的绿色C和深色Ω原子。边框覆盖完整矩形网格及其内部结构；正点分布在原子和网格表面，负点位于下方概率标签、独立氢气参考、上一组网格及右侧外部背景。"}},{"name":"Ω-Acetylene target diagram","description":"The upper-right reference grid beneath “Ω-Acetylene,” showing a horizontal four-atom structure with white H atoms at the ends and two Ω atoms in the middle.","membership":"Include the grid frame, its interior, and the complete atom-and-bond drawing. Exclude the title above, formula beneath, and production indicator below.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":0,"evidence":"目标是右上角“Ω-Acetylene”标题下的参考网格，内有水平 H–Ω–Ω–H 原子及键线；范围仅含网格及其内部绘图。首个合格帧为0.00秒，最后为29.75秒，整个采样序列中均完整可见且持续存在。区间覆盖视频首尾，边界外没有采样帧。选择0.00秒作关键帧，因为网格和完整结构清晰、无遮挡。","start_frame":0,"end_frame":720,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[904.2,77.8,983.3,183.3],"positive_points":[[914.6,118.1],[934.4,118.1],[954.2,118.1],[973,118.1],[914.6,161.1],[972.9,88.9]],"negative_points":[[943.8,65.3],[943.8,197.2],[942.7,265.3],[890.6,141.7]],"evidence":"目标位于右上角“Ω-Acetylene”标题下方，可由两端白色H原子及中间两个Ω原子的水平结构辨认。边界框紧贴参考网格，涵盖网格边框、内部及完整原子和键图。正点分布于四个原子和网格内部；负点位于上方标题、下方分子式、生产指示图及左侧外部背景。"}},{"name":"Ω-Acetylene production count","description":"The upper-right numerical output tally, initially “1/40” and later “2/40,” beneath the upper radial indicator.","membership":"Include only the complete changing tally text. Exclude the radial graphic above, molecular reference grid, and surrounding background.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":0,"evidence":"目标是右上方径向指示图下的完整产量计数文字，起初为“1/40”，23.00秒起变为“2/40”；数值变化不影响同一计数对象的连续出现。首个合格帧为0.00秒，最后为29.75秒，全程文字完整可见。区间覆盖视频首尾，边界外没有采样帧。选择0.00秒作关键帧，计数清晰且无遮挡，易于排除上方径向图及周围背景。","start_frame":0,"end_frame":720,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[925,316.7,960.4,334.7],"positive_points":[[929.2,322.2],[929.2,329.2],[935.4,327.8],[942.7,322.2],[945.8,329.2],[957.3,326.4]],"negative_points":[[942.7,267],[941.7,118.1],[906.3,330.6],[942.7,362.5]],"evidence":"目标是右上方径向指示图下的“1/40”产量计数。边界框仅覆盖完整数字及斜杠文字；六个正点分布在字符笔画上，负点位于上方径向图、分子参考图及文字外侧背景，均不包含在目标内。"}},{"name":"Carbon Ring target diagram","description":"The right-side reference grid beneath “Carbon Ring,” showing six green C atoms bonded into a narrow rectangular ring.","membership":"Include the grid boundary and interior, all six atom circles, and their connecting bonds. Exclude the title above, formula below, and lower production indicator.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":0,"evidence":"目标是右侧“Carbon Ring”标题下的参考网格，内有六个绿色C原子及连接成狭长矩形环的键；不包括标题、下方公式和生产指示器。首个合格帧为0.00秒，最后为29.75秒，网格与分子图在全部采样帧中持续完整可见。区间到达视频首尾，两端均无区间外采样帧。选择0.00秒作为关键帧，目标清晰、完整且无遮挡。","start_frame":0,"end_frame":720,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[904.2,491.7,983.3,597.2],"positive_points":[[934,507],[953,507],[934,558],[953,558],[916,582],[975,580]],"negative_points":[[943,480],[943,614],[943,682],[892,543]],"evidence":"目标是右侧“Carbon Ring”标题下的参考网格，其中六个绿色C原子以键连接成窄矩形环。边界框覆盖完整网格及内部原子和化学键；正点分布在原子与网格内部，负点位于框外的标题、下方分子式、生产指示图及左侧背景。"}},{"name":"Hydrogen feed diagram","description":"The isolated lower-left reference grid beneath “Hydrogen,” containing two white H atoms connected horizontally.","membership":"Include the rectangular grid, its enclosed area, and the H–H molecular drawing. Exclude the heading above and feed-percentage label below.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":0,"evidence":"目标是左下角“Hydrogen”标题下的独立矩形网格，内部有两个水平相连的白色H原子，不包含标题和下方百分比标签。该网格及H–H图示从首个采样帧0.00秒到最后采样帧29.75秒始终完整可见。区间覆盖视频全长，起点前和终点后均无采样帧。选择0.00秒为关键帧，目标清晰完整、无遮挡，且易与反应器内其他图形区分。","start_frame":0,"end_frame":720,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[16.7,569.4,95.8,675.0],"positive_points":[[46.0,608.3],[65.6,608.3],[18.0,575.0],[83.3,590.3],[32.3,652.8],[80.2,669.4]],"negative_points":[[46.9,555.6],[52.1,688.9],[107.3,625.0],[45.8,347.2]],"evidence":"目标是左下方“Hydrogen”标题下、含水平相连两个白色H原子的独立网格。边界框紧贴矩形网格，覆盖边框、内部区域及H–H分子图。正点分布在原子、网格边缘和内部；负点位于上方标题、下方供料比例标签、右侧外部背景及另一参考网格，均排除在目标之外。"}},{"name":"Carbon Ring production count","description":"The lower-right output tally reading “0/40” throughout the sampled sequence.","membership":"Include the tally text alone. Exclude the radial graphic above, the Carbon Ring reference grid, and the surrounding background.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":0,"evidence":"目标是画面右下方 Carbon Ring 输出区域的“0/40”计数文字，位于放射状图案下方，仅包含文字。首个合格帧为0.00秒，最后为29.75秒；所有采样帧中该文字均完整可见且保持不变。区间覆盖视频首尾，两端均无额外相邻帧。选择0.00秒作关键帧，因为文字清晰、无遮挡，且易于与上方图案和参考网图区分。","start_frame":0,"end_frame":720,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[925,730.556,960.417,748.611],"positive_points":[[927.083,737.5],[932.292,743.056],[937.5,738.889],[943.75,737.5],[946.875,743.056],[958.333,737.5]],"negative_points":[[943.75,681.944],[952.083,540.278],[912.5,740.278],[942.708,325]],"evidence":"目标是右下方 Carbon Ring 输出区的“0/40”计数。边界框仅覆盖该行文字，六个正点分布在数字及斜杠笔画上；负点位于上方径向图形、参考网格、文字左侧背景及右上方另一计数处，均不属于目标。"}},{"name":"Simulation playback controls","description":"The compact strip along the bottom left with stop, pause, and successive right-pointing speed controls. A bright chevron indicates the selected running speed.","membership":"Include the playback control symbols and their individual button boundaries as one compact control strip. Exclude the controls and text below it, the reactor board above, and glow extending beyond the buttons.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":0,"evidence":"目标是画面左下方紧凑的播放控制条，包含停止、暂停及连续向右的速度箭头按钮，亮色箭头表示当前速度；不包含下方文字和其他控件。首个合格帧为0.00秒，末个为29.75秒，期间按钮结构与边界始终完整，速度高亮变化不影响其身份。区间到达视频两端，无更早或更晚的采样帧可检查。选择0.00秒为关键帧，控制条清晰且无遮挡。","start_frame":0,"end_frame":720,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[12.5,838.9,199,875],"positive_points":[[20.8,848.6],[53.1,854.2],[88.5,848.6],[114.6,855.6],[149,850],[181.3,850]],"negative_points":[[31.3,904.2],[161.5,904.2],[155.2,800],[228.1,866.7]],"evidence":"目标是左下方含停止、暂停及连续右向速度箭头的紧凑播放控制条，白色亮箭头表示当前速度。框覆盖各按钮边界与符号，不包含外溢辉光。六个正点分布在各按钮的符号或边线上；负点位于下方文字与撤销区域、上方反应器棋盘及右侧其他控制按钮。"}},{"name":"Instruction command palette","description":"The two-row command palette beneath the board, containing red command tiles for bonding, grabbing and dropping, input, synchronization, directions, rotation, swapping, and pausing.","membership":"Include the palette's tile surfaces, borders, command symbols, labels, and keyboard hints. Exclude the playback strip to its left, layer controls to its right, and the board above.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":0,"evidence":"目标是棋盘下方的两行红色指令砖块面板，包含成键、抓取/放下、输入、同步、方向、旋转、交换和暂停等符号及快捷键；不包括左侧播放条和右侧图层控制。首个合格帧为0.00秒，最后为29.75秒，整个采样序列中面板表面、边界和两行布局持续完整可见。区间到达视频首尾，均无边界外采样帧。选择0.00秒作为关键帧，面板完整且无遮挡，便于与相邻控件区分。","start_frame":0,"end_frame":720,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[204,839,638,989],"positive_points":[[231,875],[339,874],[450,871],[284,949],[448,948],[612,945]],"negative_points":[[155,907],[676,917],[393,789],[755,912]],"evidence":"目标是棋盘下方的两行红色指令面板，包含键合、抓取/放下、输入、同步、方向、旋转、交换和暂停等指令。边界框覆盖整组指令格的表面、边框、符号和键盘提示；正点分布在上下两行的不同指令格上，负点位于左侧控制区、右侧图层控制及说明区和上方棋盘，均不属于该面板。"}},{"name":"Layer Controls panel","description":"The narrow bottom control group labeled “Layer Controls,” with red and blue settings for “Active,” “Visible,” and “Locked.”","membership":"Include the complete compact control group, its labels, colored selectors, and outlined controls. Exclude the instruction palette on its left and the adjacent atom-information panel.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":0,"evidence":"目标是底部指令面板右侧、原子信息面板左侧的狭窄“Layer Controls”控件组，包含 Active、Visible、Locked 标签及红蓝选择器和轮廓控件。首个合格帧为0.00秒，末个为29.75秒，整个采样序列中结构完整且持续可见。区间到达视频首尾，两端均无额外相邻帧。选择0.00秒作为关键帧，控件组清晰完整、无遮挡，便于与左右面板区分。","start_frame":0,"end_frame":720,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[644,835,716,990],"positive_points":[[652,916],[677,844],[675,869],[703,871],[677,922],[704,972]],"negative_points":[[614,905],[762,902],[680,810],[602,970]],"evidence":"目标位于底部中央偏右，由竖排“Layer Controls”和 Active、Visible、Locked 三组红蓝控件识别。边框覆盖完整标签、选择器及底部轮廓控件；正点分布在标题、设置标签和红蓝控件上，负点位于左侧指令区、右侧原子信息面板及上方游戏区域。"}},{"name":"Simulation statistics panel","description":"The bordered bottom-right panel displaying a radial “Current Progress” graphic and the “Cycles,” “Symbols,” and “Reactors” readings. Cycles increase while Symbols remains 148 and Reactors remains 1.","membership":"Include the panel's shaped outer boundary, background, progress graphic, labels, and numerical readings. Exclude the neighboring atom-information panel and the output tally above.","id":"obj_013","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":0,"evidence":"目标是右下角带异形边框的统计面板，内含放射状 Current Progress 图案及 Cycles、Symbols、Reactors 标签和读数；不含左邻原子信息框及上方输出计数。首个合格帧为0.00秒，最后为29.75秒，面板边界和背景始终完整，Cycles变化而Symbols为148、Reactors为1。区间覆盖视频首尾，无更早或更晚的相邻采样帧。选0.00秒为关键帧，面板清晰完整且无遮挡。","start_frame":0,"end_frame":720,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[845,840,995,989],"positive_points":[[860,865],[894,890],[904,947],[966,878],[968,925],[966,969]],"negative_points":[[781,903],[943,738],[699,921],[897,800]],"evidence":"目标是右下角带异形边框的统计面板，包含 Current Progress 放射状图形及 Cycles、Symbols 148、Reactors 1 读数。边界框紧贴整个面板外缘；正点分布在面板背景、进度图形和统计读数上，负点位于左侧原子信息面板、图层控制区及上方输出计数和外部背景。"}}]}
+{"video_id":106,"video_type":"2D games","targets":[{"name":"Control instructions","description":"Upper-left instruction block listing movement, placement, deletion, rotation, selection, and layer-switching controls; its contents change with the active tool.","membership":"Includes the complete instruction text and associated key and mouse symbols. Excludes game objects behind it and the surrounding grid.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":0,"evidence":"目标是左上角包含键盘按键、鼠标符号及操作说明的完整指令块。它从0.00秒至19.75秒持续可见，内容随当前工具变化，但仍为同一指令区域。首末帧均符合要求，区间已覆盖视频起止，边界外没有采样帧。选择0.00秒作为关键帧，因为文字和符号清晰完整，且没有后方游戏建筑干扰。","start_frame":0,"end_frame":480,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[14,24,130,195],"positive_points":[[21,36],[36,66],[21,95],[72,124],[21,153],[86,183]],"negative_points":[[148,92],[86,224],[10,135],[195,183]],"evidence":"目标是左上角六行操作提示，包括 WASD、鼠标、Q、R、TAB 符号及其说明文字。边界框紧贴完整提示块；六个正点分布在各行的按键符号或文字上，负点位于提示块外的周围网格背景。"}},{"name":"Delivery hub","description":"Large square, port-lined building initially above and left of center, displaying \"LVL 21\", \"DELIVER\", \"0 / 25k\", and \"TO UNLOCK ITEM FILTER\" beside a patterned circular shape.","membership":"Includes the building surface, perimeter connectors, displayed shape, and all internal text. Excludes nearby counters, belts, and the grid.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":4.25,"reference_s":2.0,"evidence":"目标是带周边连接口的方形交付中心，内部显示“LVL 21”“DELIVER”“0 / 25k”和“TO UNLOCK ITEM FILTER”及圆形图案。首个合格帧为0.00秒，最后为4.00秒，期间建筑完整可见；4.25秒帧中建筑随画面移动而被上边界裁切，因此结束于4.25秒。视频起点之前没有采样帧。选择2.00秒作为关键帧，建筑完整清晰、无遮挡。","start_frame":0,"end_frame":102,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[202.6,159.3,352.6,426.9],"positive_points":[[231,207],[255,279],[295,267],[285,375],[210,324],[330,408]],"negative_points":[[24,308],[377,290],[280,120],[611,747]],"evidence":"目标是画面中上部偏左、显示“LVL 21”“DELIVER”和“ITEM FILTER”的大型方形交付中心。边界框覆盖建筑表面及四周连接端口；正点分布在等级标记、圆形图案、内部显示区和外围端口，负点位于左侧独立计数器、外部网格及下方传送带。"}},{"name":"Quad painter information panel","description":"Dark upper-right panel headed \"PAINTER (QUAD)\", explaining quadrant coloring and wire signals, with speed, hotkey, and an illustrated example.","membership":"Includes the full dark panel, its boundary, text, and inset illustration. Excludes the variant selector below.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":4,"reference_s":2,"evidence":"目标是右上角标题为“PAINTER (QUAD)”的深色信息面板，包含象限着色与线路信号说明、速度、快捷键及示意图，不含下方变体选择器。首个合格帧为0.00秒，面板已完整显示；最后合格帧为3.75秒，4.00秒帧中面板已消失。区间从视频开头开始，没有更早的采样帧。选择2.00秒作为关键帧，面板边界完整、文字和插图清晰且无遮挡。","start_frame":0,"end_frame":96,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[719.8,114.8,988.5,336.1],"positive_points":[[759,142],[800,207],[757,293],[921,161],[948,274],[854,316]],"negative_points":[[841,393],[931,477],[689,240],[934,47]],"evidence":"目标是右上角标题为“PAINTER (QUAD)”的深色说明面板。边界框紧贴完整面板，包含说明文字、速度、快捷键及右侧示意图。正点分布在标题、文字区、面板底部和插图内；负点位于下方提示与变体选择器、左侧背景及上方保存图标，均不属于目标。"}},{"name":"Painter variant selector","description":"Horizontal row of four painter thumbnails beneath the information panel, with the elongated four-input version selected in blue and the instruction \"PRESS T TO CYCLE VARIANTS.\" above.","membership":"Includes the four thumbnail tiles and their contents, plus the associated cycling instruction. Excludes the moving placement preview and the information panel.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":4,"reference_s":0,"evidence":"目标为信息面板下方的四个画笔变体缩略图及上方“PRESS T TO CYCLE VARIANTS.”提示，最右侧四输入版本以蓝色选中，不包含移动预览或信息面板。首个合格帧为0秒，最后为3.75秒；4秒帧中该选择栏和提示均已消失。目标在视频开头已完整建立，没有更早的采��帧。选择0秒作为关键帧，因为四个选项和提示清楚完整，移动预览未遮挡选项。","start_frame":0,"end_frame":96,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[680.2,381.5,989.1,531.5],"positive_points":[[708.3,475.9],[776,476.9],[839.1,479.6],[938.5,476.9],[839.1,392.6],[953.1,392.6]],"negative_points":[[786.5,250],[599,504.6],[786.5,370.4],[937.5,574.1]],"evidence":"目标为右侧信息面板下方的四个画笔变体缩略图，最右侧长条四输入版本以蓝色选中。边界框覆盖四个完整图块及上方“PRESS T TO CYCLE VARIANTS.”提示。正点分布在四个图块和提示文字笔画上；负点位于上方信息面板、左侧移动放置预览及选择器外部背景，均不属于目标。"}},{"name":"Quad painter placement preview","description":"Translucent cyan, elongated painter graphic initially near the center-right, following placement movements before and briefly after a solid painter is built.","membership":"Includes the preview machine's body, roller symbol, and four circular input symbols. Excludes the cursor, green placement arrows, placement outline, and the separately placed solid machine.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":4,"reference_s":0,"evidence":"目标是跟随放置移动的半透明青色长条四联喷漆机预览，包含机身、滚筒符号和四个圆形输入符号，不含绿色箭头、放置框及实体机器。首个合格帧为0.00秒，视频起点之前无采样帧；最后合格帧为3.75秒，此时预览移到已建实体机器左侧。4.00秒预览消失，仅剩实体机器。选择0.00秒为关键帧，预览完整清晰，且与其他机器及菜单分离。","start_frame":0,"end_frame":96,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[541.7,471.3,672,532.4],"positive_points":[[577.6,496.3],[607.8,483.3],[660.9,504.6],[592.7,520.4],[623.4,520.4],[654.7,520.4]],"negative_points":[[560.9,510.2],[612,557.4],[526.6,511.1],[932.3,473.1]],"evidence":"目标是画面中右部半透明青色的四输入喷漆机放置预览。边界框紧贴机身，覆盖滚筒图案和四个圆形输入符号；正点分布在机身、滚筒及可见输入圆符号上。负点位于鼠标指针、下方绿色箭头、左侧绿色放置轮廓及右侧工具栏中的机器图标，均不属于预览机器。"}},{"name":"Sandbox options panel","description":"Persistent dark lower-left panel headed \"SANDBOX OPTIONS\", containing level and upgrade adjustments and the blue \"FILL BLUEPRINT SHAPES\" and \"MAX OUT ALL\" buttons.","membership":"Includes the entire panel surface, boundary, text, adjustment buttons, and large action buttons. Excludes underlying game objects.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":4,"evidence":"目标是左下角标题为“SANDBOX OPTIONS”的深色面板，包含等级、升级加减按钮及两个蓝色操作按钮。首帧0.00秒已完整显示，持续存在至最后采样帧19.75秒，面板边界和控件均保持完整。区间覆盖视频首尾，两端均无区间外采样帧。选择4.00秒作为关键帧，面板清晰且无遮挡，易与底层游戏对象区分。","start_frame":0,"end_frame":480,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[11.5,637.9,182.3,980.6],"positive_points":[[64,661],[94,719],[168,754],[78,825],[98,913],[98,949]],"negative_points":[[204,756],[105,604],[201,952],[231,989]],"evidence":"目标是左下角标题为“SANDBOX OPTIONS”的深色面板。边界框紧贴整个面板，包含等级与升级调节控件及底部两个蓝色操作按钮。正点分布在标题、面板表面、调节控件和操作按钮上；负点位于面板外的游戏背景，不包含底层游戏对象。"}},{"name":"Building tool palette","description":"Bottom tool palette showing conveyor, routing, processing, coloring, painting, trash, and other tools; it changes to wiring tools after the layer switch.","membership":"Includes the palette backing, tool icons, selection tiles, and attached smaller tool controls. Excludes game objects visible underneath and detached placement previews.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":4,"evidence":"目标是底部带半透明底板的建筑工具栏，包括主工具图标、蓝色选中格及上方附属小控件；不包括其下方游戏建筑或鼠标旁的放置预览。首个合格帧为0.00秒，最后为19.75秒，期间工具栏持续存在，17秒后切换为布线工具属于内部内容变化。区间到达视频两端，均无边界外采样帧。选择4.00秒作为关键帧，此时工具栏结构完整、图标清楚，且无放置预览干扰。","start_frame":0,"end_frame":480,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[236,848,765,993],"positive_points":[[260,948],[367,982],[451,946],[595,947],[740,947],[425,877]],"negative_points":[[612,775],[682,852],[643,382],[97,913]],"evidence":"目标是画面底部的建筑工具栏。框覆盖半透明底板、整排传送带与加工等工具图标，以及上方附属的小型控件。正点分布在底板、多个工具图标和附属控件上；负点位于后方输送带游戏对象、上方独立放置预览及左下沙盒面板，均不属于工具栏。"}},{"name":"Red pigment deposit","description":"Pink, grid-aligned resource patch beneath and left of the six red-pigment miners, marked with a red three-lobed pigment symbol.","membership":"Includes the colored deposit surface following its stepped outline and its resource marker. Excludes the miners and conveyor belts laid over or beside it.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":10.5,"reference_s":4,"evidence":"目标是六台红色颜料采矿机下方及左侧的粉红色阶梯状资源地块，带红色三瓣资源标记，不包括矿机和传送带。首个合格帧为0秒，最后为10.25秒；10.5秒放大视图时，地块下部开始被画面底边裁切，因此结束该段。视频起点之前无采样帧。选择4秒作为关键帧，地块的阶梯轮廓和资源标记清楚，遮挡较少。","start_frame":0,"end_frame":252,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[417.7,536.9,629.2,788.9],"positive_points":[[436.5,567.6],[506.3,561.1],[498.4,604.6],[437.5,702.8],[469.8,762.0],[627.1,625.9]],"negative_points":[[541.7,569.4],[611.5,696.3],[402.1,603.7],[511.5,763.9]],"evidence":"目标是六台红色矿机下方及左侧的粉红色阶梯状矿床，带有红色三叶资源标记。框覆盖可见矿床表面、底部凸出部分及右侧露出的窄条；正点分布于这些表面和资源标记，负点位于矿机、绿色输送带及矿床外背景，排除覆盖其上的设备。"}},{"name":"Red pigment miner bank","description":"Compact bank of six square miners arranged in two columns and three rows on the pink deposit. Left-column arrows point right and right-column arrows point upward.","membership":"Includes the six machine bodies, their internal pigment symbols, and attached direction markers as one compact extraction bank. Excludes the resource patch, outgoing belt, and hover tooltip.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":10.75,"reference_s":4.5,"evidence":"目标是粉红矿床上两列三行的六台方形红色颜料采矿机，左列箭头朝右、右列箭头朝上。首个合格帧为0.00秒，视频起点前无采样帧；最后合格帧为10.50秒，此时六台机体仍在画面内，部分被工具栏遮挡。紧邻的10.75秒帧中，底行已因视图移动而被画面下边界裁切，故结束于10.75秒。选择4.50秒作为关键帧，六台机器及方向标记完整清晰，且无悬浮提示遮挡。","start_frame":0,"end_frame":258,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[402.1,537,510.4,830.6],"positive_points":[[429.2,591.7],[484,578.7],[422.9,674.1],[483.3,686.1],[429.2,781.5],[493.2,805.6]],"negative_points":[[364.1,691.7],[536.5,663],[428.6,494.4],[471.9,855.6]],"evidence":"目标是粉红矿床上两列三行的六台方形采矿机，左列箭头向右、右列箭头向上。边界框覆盖六台机身、内部红色颜料符号及附属方向箭头，不含上方鼠标指针和输出物料。正点分布于六台机器的机身或颜料符号；负点位于左侧矿床、右侧绿色物料传送带及机器组上下方的外部背景。"}},{"name":"Green pigment conveyor","description":"Vertical gray conveyor initially immediately to the right of the red miner bank, carrying repeated green pigment tokens. It is extended upward to the painter's second color input.","membership":"Includes the continuous belt surface, edges, directional markings, and carried green tokens, including its added extension. Excludes neighboring belts and the painter.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":20.0,"reference_s":11.75,"evidence":"目标是红色矿机组紧右侧、承载连续绿色颜料 token 的竖直灰色传送带；约6.50秒其上端延伸并接入喷漆机第二个颜色入口。首个合格帧为0.00秒，最后为19.75秒，期间保持同一条带的连续存在，切换线路层后仍可辨认。下端延续至画面外，并非正在入场或离场。区间已达视频两端，没有边界外的相邻帧。选择11.75秒作为关键帧，此时带面、边缘、绿色颜料及与相邻带的区别清楚，新增连接段也已完整呈现。","start_frame":0,"end_frame":480,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[526,543,575,1000],"positive_points":[[533,574],[550,615],[571,675],[549,749],[565,840],[550,887]],"negative_points":[[489,682],[612,747],[575,455],[585,859]],"evidence":"目标是红色采矿机组右侧、连接上方涂色机第二个颜色入口的绿色颜料传送带。框覆盖从涂色机下缘到图像底部的连续灰色带面、边缘及绿色载荷；底部部分被工具栏遮挡。正点分布在带面、边缘和绿色颜料上，负点位于邻近红色带、蓝色带、涂色机及带外空白处。"}},{"name":"Blue pigment conveyor","description":"Vertical gray conveyor immediately to the right of the green conveyor, carrying blue pigment tokens and later connecting to the painter's third color input.","membership":"Includes this belt's surface, edges, directional markings, carried tokens, and added upper extension. Excludes neighboring conveyors and the painter.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":11,"evidence":"目标是绿色输送带紧右侧、运送蓝色颜料的竖直灰色输送带；其上端在7.00秒接至喷漆机第三个颜色输入口。首个合格帧为0.00秒，末个为19.75秒，期间同一带体持续可见，包括新增上段；17.00秒后切换线路层只是显示变为半透明，并未移除带体。区间到达视频首尾，两侧均无额外采样帧。选择11.00秒作为关键帧，此时画面放大，蓝色颜料、带体边缘及与相邻输送带的区别清楚。","start_frame":0,"end_frame":480,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[587.5,543.5,636.5,1000],"positive_points":[[595.3,571.3],[611.5,611.1],[632.3,701.9],[611.5,817.6],[612.5,886.1],[626.6,995.4]],"negative_points":[[550.5,681.5],[673.4,748.1],[620.8,456.5],[724.5,648.1]],"evidence":"目标是绿色传送带右侧、红色传送带左侧的蓝色颜料竖直传送带，对接喷漆机第三个颜色入口。边界框覆盖喷漆机下方至图像底边的可见带面、边缘、方向标记和蓝色颜料。正点分布于带面、边缘及蓝色颜料；负点位于相邻绿带、红带、上方喷漆机和右侧背景。"}},{"name":"Rightmost red pigment conveyor","description":"Rightmost of the initially visible three parallel pigment conveyors, carrying red tokens and later extended into the painter's fourth color input.","membership":"Includes the continuous belt, its markings, carried red tokens, and upper extension. Excludes the separate red supply from the miner bank, adjacent belts, and the painter.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":11,"evidence":"目标是最初三条平行颜料传送带中最右侧、载有红色颜料的传送带；随后其上端延伸至四联涂色器的第四个颜色输入，与矿机组直接供给的左侧红色带不同。首个合格帧为0秒，最后为19.75秒；切换线路层后仍可辨认同一传送带。区间到达视频首尾，无更早或更晚的采样帧。选择11秒作为关键帧，此时画面放大，上端连接及红色载荷清晰，易与相邻蓝色带区分。","start_frame":0,"end_frame":480,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[649,543,698,1000],"positive_points":[[657,577],[674,612],[674,681],[689,745],[674,819],[672,957]],"negative_points":[[611,748],[550,681],[489,681],[642,481]],"evidence":"目标是最右侧承载红色颜料的竖直传送带，上端接入涂色机第四个输入。框覆盖涂色机下方的延伸段、带面、标记及红色载物，向下至图像边缘；底部部分被工具栏遮挡。正点分布在带面和不同高度的红色载物上，负点位于相邻蓝色、绿色传送带、左侧独立红色供料带及涂色机上。"}},{"name":"Circle-shape miner row","description":"Horizontal row of five square miners on a pale shape deposit, initially mostly outside the left edge and later revealed by the camera movement. Each contains a quarter-divided gray circle and a rightward arrow.","membership":"Includes the five adjacent miner bodies, internal circle symbols, and attached direction markers. Excludes their resource deposit and the conveyor subsequently connected to the row.","id":"obj_013","temporal":{"status":"found","start_s":8.0,"end_s":10.25,"reference_s":8.5,"evidence":"目标是浅色资源地块上横向相邻的五个方形采矿机，各含四分灰色圆形及向右箭头，不包括地块和后接传送带。8.00秒首次完整显示五个机体，10.00秒为最后完整帧；此前7.75秒该排仍被左边界裁切，之后10.25秒随镜头移动再次在左侧被裁切。选择8.50秒作为关键帧，五个采矿机结构清晰、无遮挡，易于与右侧彩色资源采矿机区分。","start_frame":192,"end_frame":246,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[144.8,510.2,301.6,568.5],"positive_points":[[160.4,538.9],[190.8,537.0],[221.9,540.7],[252.1,537.0],[282.3,539.8],[297.4,538.9]],"negative_points":[[218.2,586.1],[346.9,526.9],[741.1,594.4],[249.0,476.9]],"evidence":"目标是画面左侧中部横向相邻的五台方形矿机，内部均有四分灰圆和向右箭头。边框覆盖五个机身、内部符号及附着箭头，不含矿床和右侧传送带预览。正点分布在各矿机及末端箭头上；负点位于下方矿床圆形、右侧蓝色预览、远处红色矿机和上方背景。"}},{"name":"Placed quad painter","description":"Solid elongated light-gray machine built above the pigment supplies, with a roller symbol, four rainbow-colored input circles, a left-side shape input, and an upward output near its left end. Its four wire terminals become visible in the teal wiring layer.","membership":"Includes the complete machine body, outline, internal symbols, input and output fittings, and wire terminals. Excludes connected belts, the separate cyan preview, and transient connection or placement indicators.","id":"obj_014","temporal":{"status":"found","start_s":3.5,"end_s":20.0,"reference_s":11.0,"evidence":"目标是颜料供应上方的实体浅灰色长条四象限喷漆机，具有滚筒符号、四个彩虹输入口、左侧形状入口和向上出口。3.25秒仍只有青色放置预览；3.5秒实体机身及完整轮廓已出现，虽与预览重叠仍可辨认。此后持续存在，切换到青绿色布线层后显示四个端子，最后 qualifying 帧为19.75秒。区间延伸至视频末尾20秒，无后续采样帧。选择11秒作为关键帧，此时机身放大、结构清晰且无遮挡，便于排除相连传送带。","start_frame":84,"end_frame":480,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[449.5,426,706,547],"positive_points":[[459,487],[489,444],[520,465],[578,456],[612,525],[693,515]],"negative_points":[[406,488],[551,680],[673,612],[589,380]],"evidence":"目标是位于四条颜料供应带上方的横向浅灰色四联涂色机，可由滚筒符号、四个彩虹输入口、左侧六边形入口及左端向上出口识别。框覆盖机身、轮廓、内部符号和接口；正点分布在这些部位，负点位于左侧传送带、下方颜料供应带及上方空白背景，不包含相连传送带和其上的颜料。"}},{"name":"Miner throughput tooltip","description":"Small dark hover box over the red miner bank showing \"22.07 items / s\", \"6 Miners\", and a limiting-rate message.","membership":"Includes the tooltip rectangle and all enclosed text. Excludes the miners beneath it and the cursor.","id":"obj_015","temporal":{"status":"found","start_s":4.25,"end_s":4.5,"reference_s":4.25,"evidence":"4.25秒时，红色矿机组上方出现完整的深色悬浮提示框，内含“22.07 items / s”“6 Miners”和红色限速信息，符合目标描述。该次连续出现的首末合格帧均为4.25秒；前一帧4.00秒和后一帧4.50秒均未显示此提示框。选择4.25秒为关键帧，因为框体边界和文字完整可见，易于区分下方矿机。","start_frame":102,"end_frame":108,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[472.9,495.4,579.2,581.5],"positive_points":[[482.3,512.0],[542.7,514.8],[507.3,536.1],[571.4,535.2],[494.8,562.0],[564.6,570.4]],"negative_points":[[478.1,644.4],[512.5,597.2],[584.4,608.3],[442.7,513.9]],"evidence":"通过“22.07 items / s”“6 Miners”和红色限速提示识别该深色悬浮框。边界框紧贴提示框矩形，涵盖其底色及全部文字；正点分布在框内文字和底色上，避开光标。负点位于下方矿机、右侧蓝色传送带及左侧框外区域。"}},{"name":"Conveyor belt information panel","description":"Upper-right dark panel headed \"CONVEYOR BELT\", first shown while the pigment connections and long shape-input route are constructed. It contains an example belt, speed, and hotkey.","membership":"Includes the panel's backing, boundary, explanatory text, values, and inset illustration. Excludes the game-world belt previews and constructed conveyors.","id":"obj_016","temporal":{"status":"found","start_s":5.0,"end_s":10.0,"reference_s":6.5,"evidence":"目标是右上角标题为“CONVEYOR BELT”的深色信息面板，包含说明文字、速度、快捷键及传送带示例图。首次完整出现于5.00秒，最后一个符合条件的帧为9.75秒；前一帧4.75秒没有该面板，后一帧10.00秒面板已消失。选择6.50秒作为关键帧，面板边界完整、内容清晰且无遮挡。","start_frame":120,"end_frame":240,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[720,114,988.5,327],"positive_points":[[778,141],[787,191],[763,281],[837,251],[914,217],[970,295]],"negative_points":[[700,229],[871,48],[953,359],[590,636]],"evidence":"目标是右上角标题为“CONVEYOR BELT”的深色信息面板，含输送说明、速度、快捷键及右侧示例插图。边框紧贴整个面板外缘；正点分布于标题、说明、数值、底板和插图，负点位于面板外背景、顶部图标及游戏场景中的输送带。"}},{"name":"Miner-bank red supply conveyor","description":"Short vertical conveyor constructed between the top-right red miner and the painter's leftmost color input, carrying red pigment tokens.","membership":"Includes the constructed belt surface, borders, directional markings, and carried red tokens. Excludes the miner and painter at its ends and placement highlights.","id":"obj_017","temporal":{"status":"found","start_s":5.75,"end_s":20.0,"reference_s":11.0,"evidence":"目标是右上红色矿机与四分区染色机最左侧颜色输入之间的短竖直传送带，带上运输红色颜料。5.50秒仍只有放置预览，5.75秒已形成完整连接的带面和边框；随后持续存在，切换线路层后仍可辨认，最后合格帧为19.75秒。区间到达���频末尾，没有后续帧。选择11.00秒作为关键帧，此时带面、红色颜料及两端连接关系清晰，且无放置高亮遮挡。","start_frame":138,"end_frame":480,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[465.1,543.5,513.5,761.1],"positive_points":[[488.8,612.0],[489.1,683.3],[488.3,745.4],[472.8,648.1],[504.2,710.2],[488.9,587.0]],"negative_points":[[488.8,815.7],[518.6,464.8],[550.7,680.6],[374.5,812.0]],"evidence":"目标是右上方红色矿机与涂色机最左侧颜色入口之间的短竖直传送带。框覆盖其可见带面、边框、方向标记及红色颜料，止于两端设备边缘。正点分布在红色颜料和带面上；负点位于下端矿机、上端涂色机、右邻绿色供料带及左下方放置高亮区域。"}},{"name":"Circle-shape resource deposit","description":"Pale gray stepped deposit beneath the horizontal circle-miner row, with a quarter-divided circular resource marker.","membership":"Includes the visible deposit surface following its stepped boundary and the circular resource marker. Excludes the overlying miners and outgoing conveyor.","id":"obj_018","temporal":{"status":"found","start_s":8.0,"end_s":10.25,"reference_s":8.25,"evidence":"目标是横向圆形采矿机列下方的浅灰色阶梯状矿床，包含四等分圆形资源标记，不含采矿机和输出传送带。首个完整呈现帧为8.00秒，最后合格帧为10.00秒；此前7.75秒矿床仍被画面左缘裁切，之后10.25秒随视野移动再次被左缘裁切。选择8.25秒作为关键帧，此时矿床轮廓和圆形标记较清楚，便于与右侧红色矿床区分。","start_frame":192,"end_frame":246,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[171.9,456.5,355.7,787.0],"positive_points":[[319.3,480.6],[190.6,601.9],[244.8,588.0],[310.4,636.1],[216.1,709.3],[262.0,756.5]],"negative_points":[[248.4,538.9],[328.1,539.8],[353.1,673.1],[729.2,636.1]],"evidence":"目标是横向圆形采矿机下方的浅灰色阶梯状资源矿床，带四分圆标记。边框覆盖上方凸出的灰色块、下方阶梯状矿床及圆形标记；正点分布于这些可见表面和标记上。负点位于覆盖其上的采矿机、右端输出部件、右侧空白及另一处红色矿床，均不属于目标。"}},{"name":"Shape-input conveyor route","description":"Long conveyor routed from the circle-miner row to the painter's left-side input. It is first demonstrated as a green planned path whose bend changes, then becomes a gray belt filled with quarter-divided circles.","membership":"Includes the route itself through its planning and constructed states, including bends, belt edges, directional markings, and carried circles. Excludes endpoint buildings, cursor indicators, and surrounding empty space.","id":"obj_019","temporal":{"status":"found","start_s":9.25,"end_s":10.5,"reference_s":10.0,"evidence":"目标是从圆形采矿机行通往涂色机左侧入口的输送路线，包含绿色规划状态及随后承载四分圆图案的灰色传送带。9.25秒首次完整连到入口；前一帧9.00秒路线仍只延伸到画面中部，尚未完成。最后合格帧为10.25秒，路线自身仍完整可见；10.50秒因视角移动，左段被画面边界裁切。选择10.00秒作关键帧，此时灰色带边、转弯和运载圆形清晰，整条路线无遮挡。","start_frame":222,"end_frame":252,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[197.4,408.3,655.7,563.9],"positive_points":[[209.4,530.6],[213,491.7],[225,431.5],[338.5,429.6],[475.5,431.5],[625,429.6]],"negative_points":[[182.3,538.9],[702.6,425.9],[416.7,487],[418.2,244.4]],"evidence":"目标是从左侧圆形采矿机排出口向上弯折、再水平延伸至右侧涂色机左侧入口的灰色传送带。框覆盖带体、弯道、方向标记及带上的四分圆，不含两端建筑。正点分布在弯道、圆形物料和水平带段；负点位于采矿机、涂色机、中央交付建筑及带外空白。"}},{"name":"Conveyor belt information panel, output construction","description":"Reappearing upper-right \"CONVEYOR BELT\" panel while a vertical output belt is extended above the painter.","membership":"Includes the full dark panel, its text, speed and hotkey values, and inset belt illustration. Excludes the output belt and its placement preview.","id":"obj_020","temporal":{"status":"found","start_s":13.0,"end_s":13.75,"reference_s":13.25,"evidence":"目标是画面右上角重新出现的深色“CONVEYOR BELT”信息面板，包含说明、速度、快捷键和传送带示意图，此时正在向上延伸涂色机的输出传送带。首个合格帧为13.00秒，最后为13.50秒；紧邻之前的12.75秒和之后的13.75秒均无该面板。选择13.25秒作为关键帧，面板完整清晰且无遮挡。","start_frame":312,"end_frame":330,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[720,114,989,327],"positive_points":[[771,140],[790,189],[760,279],[850,303],[927,219],[971,143]],"negative_points":[[689,218],[876,367],[895,49],[488,295]],"evidence":"目标是右上角标题为“CONVEYOR BELT”的深色信息面板，框覆盖完整面板、说明文字、速度与快捷键数值及右侧传送带插图。正点分布在标题、文字、面板底色和插图区域；负点位于面板外背景、上方统计图标及中央输出带放置预览，排除实际输出带和预览。"}},{"name":"Painter output conveyor","description":"Vertical gray belt constructed upward from the painter's output near its left end. It remains visibly empty and is later capped by a trash building.","membership":"Includes the continuous belt surface, borders, and upward directional markings. Excludes the painter, trash building, and temporary placement highlights.","id":"obj_021","temporal":{"status":"found","start_s":13.25,"end_s":19.5,"reference_s":13.75,"evidence":"目标是从喷漆机左端上方输出口向上延伸的空灰色传送带，带有边框和向上箭头，后来顶端接上垃圾箱。13.00秒仍在延长，13.25秒完整带体已建立；最后合格帧为19.25秒，19.50秒带体上端随画面移动被边界裁切。选择13.75秒作为关键帧，此时整条带体清晰可见，临时放置高亮已消失，且尚无垃圾箱遮挡。","start_frame":318,"end_frame":468,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[464.6,209.3,513.5,538.0],"positive_points":[[471,236],[489,286],[508,341],[477,406],[490,467],[471,522]],"negative_points":[[542,370],[442,309],[584,568],[410,594]],"evidence":"目标是涂色机左端输出口上方向上延伸的空灰色传送带。边界框覆盖其可见连续带面、两侧边框和向上箭头，止于涂色机遮挡处。六个正点分布在带面、边框及方向标记上；负点位于左右外部背景、涂色机和左侧横向传送带上。"}},{"name":"Trash information panel","description":"Dark upper-right panel headed \"TRASH\", explaining that it accepts and destroys inputs, with a hotkey and an inset junction illustration.","membership":"Includes the entire panel, its text, boundary, and inset graphic. Excludes the trash placement preview and game-world buildings.","id":"obj_022","temporal":{"status":"found","start_s":15.0,"end_s":15.75,"reference_s":15.25,"evidence":"目标为右上角标题为“TRASH”的深色信息面板，包含销毁输入的说明、热键及传送带交汇示意图。首个完整帧为15.00秒，最后完整帧为15.50秒；此前14.75秒未显示该面板，此后15.75秒面板已消失。选择15.25秒作为关键帧，面板边界、文字和插图完整清晰且无遮挡。","start_frame":360,"end_frame":378,"reference_frame":366},"grounding":{"status":"found","bbox_xyxy":[719.8,114.8,988.5,326.9],"positive_points":[[748,142],[790,192],[759,303],[850,270],[923,222],[966,285]],"negative_points":[[895,48],[692,222],[850,372],[589,573]],"evidence":"根据右上角“TRASH”标题、销毁输入的说明、热键及内嵌交叉输送带示意图确定目标。边界框紧贴整个深色信息面板，包含文字和插图。正点分布在标题、说明、热键、面板底色及插图上；负点位于上方图标、面板外背景和游戏中的垃圾桶放置预览上。"}},{"name":"Trash building","description":"Small square building with concave sides and a trash-can emblem, first shown as a cyan placement preview and then placed at the upper end of the painter's output conveyor.","membership":"Includes the building surface, true outer outline, and enclosed trash-can emblem through preview and solid states. Excludes the connected conveyor, cursor, and placement arrows.","id":"obj_023","temporal":{"status":"found","start_s":15.0,"end_s":19.25,"reference_s":16.5,"evidence":"目标是带凹边轮廓和垃圾桶徽记的小方形建筑，15.00秒首次以完整青色预览出现，随后放置于涂色机输出传送带顶端。14.75秒尚无该建筑；最后完整可见帧为19.00秒，19.25秒随画面移动在上边缘被裁切。选择16.50秒作为关键帧，此时实体建筑较大、轮廓和徽记清楚，无遮挡。","start_frame":360,"end_frame":462,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[375.5,111.1,428.6,203.7],"positive_points":[[386,130],[417,133],[386,179],[417,180],[402,157],[401,137]],"negative_points":[[402,244],[358,157],[448,157],[427,472]],"evidence":"目标位于画面上方、竖直输出传送带的顶端，是带垃圾桶徽标的凹边方形建筑。边界框紧贴建筑外轮廓，包含表面及徽标，不含下接传送带。正点分布在建筑表面和徽标上；负点位于下方传送带、左右外部背景及下方喷漆建筑上。"}},{"name":"Wire information panel","description":"Upper-right dark panel headed \"WIRE\" after the scene changes to the teal wiring layer, explaining item, color, and boolean signals and showing a wired example.","membership":"Includes the full panel surface, boundary, text, hotkey, and inset illustration. Excludes the separate wire variant tiles below.","id":"obj_024","temporal":{"status":"found","start_s":17.0,"end_s":17.25,"reference_s":17.0,"evidence":"17.00秒��换至青绿色布线层，右上角完整显示标题为“WIRE”的深色信息面板，包含信号说明、热键及接线示例，不含下方变体方块。这是首个也是最后一个符合条件的采样帧；前一帧16.75秒仍为普通图层且无该面板，后一帧17.25秒面板已消失。选择17.00秒作为关键帧，面板完整清晰、无遮挡。","start_frame":408,"end_frame":414,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[719.8,114.8,989.1,327.8],"positive_points":[[741,142],[790,191],[758,241],[780,303],[927,215],[967,288]],"negative_points":[[934,451],[971,454],[893,47],[686,222]],"evidence":"目标是右上角标题为“WIRE”的深色说明面板，包含信号说明、Hotkey提示和右侧接线示意图。边界框紧贴完整面板外缘；正点分布于标题、说明、快捷键及示意图区域，负点位于下方独立线材变体按钮、上方图标和左侧背景，均不属于面板。"}},{"name":"Wire variant selector","description":"Two compact tiles at the right beneath the wire information panel, showing green and blue wire variants with the green variant selected, accompanied by a cycling instruction.","membership":"Includes both variant tiles, their wire symbols, and the associated \"PRESS T TO CYCLE VARIANTS.\" instruction. Excludes the information panel and game-world wiring.","id":"obj_025","temporal":{"status":"found","start_s":17.0,"end_s":17.25,"reference_s":17.0,"evidence":"17.00秒右侧的WIRE信息面板下方出现完整的两个变体方块，分别显示绿色和蓝色线条，绿色变体被选中，上方附有“PRESS T TO CYCLE VARIANTS.”提示，符合目标分组。首个及最后一个符合条件的采样帧均为17.00秒；前一帧16.75秒尚未显示该选择器，后一帧17.25秒选择器及提示已消失。选择17.00秒为关键帧，因为所有指定成员均完整清晰且无遮挡。","start_frame":408,"end_frame":414,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[831.3,381.5,989.1,484.3],"positive_points":[[839.6,392.6],[874.0,393.5],[960.4,393.5],[927.6,442.6],[933.9,467.6],[971.9,449.1]],"negative_points":[[838.5,299.1],[884.4,519.4],[973.4,524.1],[613.5,600.0]],"evidence":"目标位于右侧 WIRE 信息面板下方：包含“PRESS T TO CYCLE VARIANTS.”提示及绿色已选中、蓝色未选中的两个变体方块。边界框紧贴整组可见内容；正点分布在提示文字和两个方块上，负点位于上方信息面板、下方外部背景及游戏世界中的独立导线上。"}},{"name":"Switch information panel","description":"Upper-right panel headed \"SWITCH\", explaining a toggleable boolean signal on the wires layer, with an illustrated switch-and-filter example.","membership":"Includes the complete dark panel, its explanatory text, hotkey, boundary, and inset illustration. Excludes the switch tool in the bottom palette and the moving placement preview.","id":"obj_026","temporal":{"status":"found","start_s":18.5,"end_s":20.0,"reference_s":18.75,"evidence":"目标为右上角标题“SWITCH”的完整深色信息面板，包含布尔信号说明、热键和开关与过滤器示意图。首次合格帧为18.50秒，18.25秒尚无该面板；最后合格帧为19.75秒，持续至视频结束20.00秒，之后无采样帧。选择18.75秒作为关键帧，面板完整清晰且无遮挡。","start_frame":444,"end_frame":480,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[719.8,113.9,988,327.8],"positive_points":[[751,142],[786,194],[752,261],[790,307],[889,263],[944,169]],"negative_points":[[857,48],[692,222],[652,517],[489,876]],"evidence":"目标是右上角标题为“SWITCH”的深色信息面板。框覆盖完整面板边界、说明文字、热键和右侧示意图；正点分布于这些组成部分。负点位于上方星形按钮、面板左侧背景、移动放置预览及底部开关工具，均不属于目标。"}},{"name":"Switch placement preview","description":"Translucent cyan square containing a rounded toggle-like symbol, moved around the right side of the pigment conveyors in the teal wiring layer.","membership":"Includes the switch preview's square body and internal symbol. Excludes the cursor, green placement outline, underlying conveyors, and the separate palette icon.","id":"obj_027","temporal":{"status":"found","start_s":18.5,"end_s":20.0,"reference_s":18.75,"evidence":"目标是青绿色布线层中随鼠标移动的半透明青色方块，内部有圆润的开关符号，不包括光标、绿色放置轮廓或工具栏图标。首个完整可见帧为18.50秒；此前18.25秒仅见光标停在开关工具栏图标上，尚无放置预览。预览持续至最后一帧19.75秒，视频于20.00秒结束，无后续帧。选择18.75秒作为关键帧，因为预览位于颜料传送带右侧空白处，轮廓清楚且遮挡最少。","start_frame":444,"end_frame":480,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[637.5,493.5,667.7,546.3],"positive_points":[[640.6,499.1],[660.9,499.1],[648.4,509.3],[662,517.6],[641.1,535.2],[665.1,538.9]],"negative_points":[[654.7,538.9],[564.1,520.4],[489.6,875.9],[692.7,574.1]],"evidence":"目标是颜料传送带右侧、鼠标附近的半透明青色开关预览。框紧贴其方形主体，包含内部圆角符号，不包含外围绿色放置轮廓。六个正点分布在主体及符号上并避开光标；负点位于光标、传送带、底部独立开关图标和右侧背景。"}}]}
+{"video_id":107,"video_type":"2D games","targets":[{"name":"Floor storage grid","description":"The green five-by-five storage board in the center-left, with addresses 0–24, purple letter tiles, and green numeric tiles.","membership":"Includes the green board surface and boundary, all address labels, and the tiles resting in its cells, including the separately identified address-24 tile. Excludes the moving worker, carried copies of tiles, and transient arrows, sparkles, or highlights.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0.25,"evidence":"目标是画面中央偏左的绿色5×5存储板，含0–24地址标签、紫色字母块及绿色数字块。首个合格帧为0.00秒，末个为37.75秒；整个序列中板面与边界均已完整建立并持续存在，内部数值变化不改变其身份。区间到达视频两端，之前和之后均无 sampled 帧可检查。选择0.25秒作为关键帧，工人在板外，板面、各地址和静置方块清晰，遮挡极少；不包括工人及其携带的复制块。","start_frame":0,"end_frame":912,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[173,303,448,791],"positive_points":[[206,349],[416,442],[258,534],[206,628],[416,721],[333,759]],"negative_points":[[471,516],[470,461],[100,621],[515,620]],"evidence":"目标是画面中左侧带0–24地址的绿色五行五列储存板。边界框紧贴整块板的外缘，涵盖板面、地址标签及所有格内方块，包括地址24的数字12方块。正点分布在不同区域的方块和板面上；负点位于右侧工人、其搬运的W方块及两侧传送带方块上。"}},{"name":"Address-24 pointer tile","description":"The green numeric tile in the bottom-right cell of the storage grid. Initially showing 12, its value changes as the program advances through strings or reads another input address.","membership":"Includes the complete green tile, its edges, and its displayed number throughout value changes. Excludes the surrounding cell, the printed floor address 24, the worker, and temporary interaction effects.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标是储存网格右下角、地板地址24处的绿色数字方块；起初显示12，随后数字随程序改变，仍为同一指针方块。首个合格帧为0.00秒，最后为37.75秒，期间持续存在，数值更新和工人短暂遮挡不终止其连续出现。区间覆盖视频首尾，没有边界之外的采样帧。选择0.00秒作为关键帧，因为方块边缘和数字12清晰完整，且无工人遮挡。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[403,696,429,747],"positive_points":[[407,704],[423,704],[409,725],[418,720],[408,736],[423,735]],"negative_points":[[431,764],[441,720],[363,719],[416,625]],"evidence":"目标是储存网格右下角、显示“12”的绿色地址指针方块。边界框覆盖完整绿色方块及其边缘和数字；六个正点分布于方块表面与数字区域。负点位于下方印刷地址24、右侧格子背景及相邻绿色0方块上，均不属于目标。"}},{"name":"Worker character","description":"The small bald character with large round black glasses and a dark outfit, initially standing over the right half of the storage grid. The character moves between the grid and the input and output conveyors.","membership":"Includes the character's head, glasses, body, hands, and feet through movement and changes of pose. Excludes tiles held overhead, floor tiles, and animation effects.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":2,"evidence":"目标是戴大圆黑框眼镜、穿深色衣服的 bald worker character?","start_frame":0,"end_frame":912,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[453.1,482.4,489.1,566.7],"positive_points":[[469.8,494.4],[460.4,513.0],[481.3,510.2],[470.8,542.6],[483.3,539.8],[477.1,560.2]],"negative_points":[[440.6,524.1],[517.2,495.4],[416.7,537.0],[471.9,599.1]],"evidence":"目标位于储物格右侧、输出传送带左侧，是戴黑色圆眼镜的秃头小工人。框覆盖其头部、眼镜、深色衣服、手和双脚，不包含光效或方块。正点分布在头部、眼镜、躯干、手和脚上；负点位于周围地面、输出带字母块及储物格方块上。"}},{"name":"IN conveyor","description":"The tall dark input conveyor to the left of the storage grid, initially holding green tiles reading 20, 2, 13, 4, 17, and 22, beside an upward-pointing IN sign.","membership":"Includes the conveyor housing, side fixture, base, enclosed belt area, queued tiles, and its adjacent IN direction sign. Tiles cease to belong to this region once carried away. Excludes the worker and surrounding room.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标是储存格左侧的深色直立输入传送带，包括侧面附件、底座、带内排队方块及旁边向上箭头的 IN 标牌。0.00 秒已完整呈现，至最后采样帧 37.75 秒仍完整存在；期间方块被取走仅改变内容，不改变传送带身份。区间覆盖视频首尾，两端均无区间外采样帧。选择 0.00 秒作为关键帧，传送带无遮挡，初始绿色数字方块和 IN 标牌清晰可见。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[24.5,452.8,142.2,902.8],"positive_points":[[47,604],[100,495],[130,499],[100,683],[99,804],[82,876]],"negative_points":[[156,605],[206,532],[46,427],[98,953]],"evidence":"目标位于储存格左侧，由装有20、2、13、4、17、22绿色方块的深色输入传送带及旁边向上箭头的IN标牌识别。边框覆盖标牌、机壳、侧面附件、带内方块和底座。正点分布于这些组成部分；负点位于周围墙面、右侧储存格及下方独立控制按钮，排除房间和其他设备。"}},{"name":"OUT conveyor","description":"The tall dark output conveyor to the right of the storage grid, receiving purple letter tiles beside a downward-pointing OUT sign.","membership":"Includes the conveyor housing, side fixture, base, enclosed belt area, contained output tiles, and its adjacent OUT direction sign. Excludes tiles still being carried toward it, the worker, and surrounding room.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":4.5,"evidence":"目标是储物格右侧的深色高筒输出传送带，包括侧边装置、底座、带内紫色字母块及旁边向下的 OUT 标牌。首个合格帧为 0.00 秒，最后为 37.75 秒，整个采样序列中结构完整且持续存在，内部字母块变化不影响其身份。区间到达视频起点和终点，两端均无区间外采样帧。选择 4.50 秒作为关键帧，此时工人在左侧，传送带及标牌清晰、遮挡最少。","start_frame":0,"end_frame":912,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[477,458,598,906],"positive_points":[[513,469],[483,502],[514,621],[515,804],[565,592],[552,890]],"negative_points":[[415,631],[264,576],[614,650],[462,674]],"evidence":"目标是储物格右侧、紧邻向下箭头 OUT 标牌的深色输出传送带。边界框覆盖机壳、侧面附件、内部传送区域及紫色字母块、底座和 OUT 标牌。正点分布于这些组成部分；负点位于储物格、工人及周围房间背景，均排除在目标之外。"}},{"name":"String Storage Floor title","description":"The heading “String Storage Floor” at the top of the right-hand sheet.","membership":"Includes only the title lettering. Excludes the sheet, tabs, and instruction block below.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标为右侧纸张顶部的“String Storage Floor”标题字样，不包括纸张、标签和下方说明。标题在0.00秒已完整显示，并持续至最后采样帧37.75秒，没有消失或退出。区间覆盖视频首尾，两端均无区间外采样帧。选择0.00秒为关键帧，标题完整清晰、无遮挡。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[758.9,111.1,967.7,159.3],"positive_points":[[764.1,134.3],[803.6,136.1],[833.3,132.4],[870.8,133.3],[920.8,121.3],[963.5,131.5]],"negative_points":[[875,97.2],[830.2,57.4],[791.7,199.1],[718.8,134.3]],"evidence":"目标是右侧纸张顶部的“String Storage Floor”标题。边界框紧贴整行标题字母，包含下伸笔画；六个正点分布在三个单词的字形笔画上，四个负点位于标题上方纸面、页签、下方说明文字及左侧墙面，不包含标题内部空隙。"}},{"name":"String output instructions","description":"The text block beneath the title explaining that each INBOX item is a floor address and that the requested item and following items must be sent to the OUTBOX until reaching ZERO.","membership":"Includes the complete instruction lettering, from “Each thing in the INBOX” through “ZERO. Repeat!” Excludes the pale backing note, tape, surrounding sheet, and program below.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标是右侧“String Storage Floor”标题下的完整说明文字，从“Each thing in the INBOX”到“ZERO. Repeat!”；不包括浅色便签和胶带。文字在0秒已完整呈现，至最后采样帧37.75秒仍清晰存在，期间持续可见且无退出。区间覆盖视频首尾，两端均无界外采样帧。选择0秒作为关键帧，文字完整清晰、无遮挡，易于单独标注。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[770.3,186.1,950,420.4],"positive_points":[[772.4,198.1],[873.4,198.1],[772.4,255.6],[772.4,316.7],[945.8,346.3],[810.9,402.8]],"negative_points":[[755,293],[864,442],[867,135],[813,531]],"evidence":"目标是标题下方说明 INBOX 地址及连续输出至 ZERO 的八行文字。边界框仅覆盖从“Each thing”到“ZERO. Repeat!”的完整文字块；正点分布在各处字母笔画上，负点位于左侧便签背景、文字下方空白、上方标题及下方程序区域，均排除于目标之外。"}},{"name":"Seven-step program listing","description":"The vertically arranged program beneath the instructions: inbox, copyto 24, copyfrom [24], jump if zero, outbox, bump + 24, and jump. Purple connector arrows show the two loops.","membership":"Includes the seven colored command blocks and their text, operand blocks, line numbers, purple destination blocks, and the open curved jump connectors with arrowheads. Excludes the surrounding beige sheet, the instructions above, and the green execution pointer. The open connectors do not include the areas between their curves.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标为右侧说明下方的七条彩色程序指令，含操作数、行号、紫色跳转目标块及两条弧形循环箭头，不含绿色执行指针和 beige 背板。首帧0.00秒已完整呈现，至最后采样帧37.75秒仍完整可见，中间持续存在。区间达到视频首尾，边界外均无采样帧。选0.00秒作关键帧，程序文字、块状结构及连接箭头清晰且无遮挡。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[746.5,453.5,946,939],"positive_points":[[807.3,475],[811.5,530.6],[817.7,588],[823.4,694.4],[846.4,643.5],[809.4,916.7]],"negative_points":[[853.1,378.7],[721.9,801.9],[900,555.6],[972.9,805.6]],"evidence":"目标是说明下方的七步程序。框覆盖七个命令及操作数、行号、紫色目标块和两条带箭头的弯曲跳转连线。正点分布在顶部目标块、不同高度的命令块及紫色箭头上；负点位于上方说明、绿色执行指针、连线外的米色空白和右侧纸面，不包含曲线之间的空白区域。"}},{"name":"Execution pointer","description":"The bright green right-pointing triangular marker alongside the program, initially aligned with outbox and subsequently moving between active instructions.","membership":"Includes the triangle's outer border and enclosed green face throughout its movement. Excludes the instruction it points to and the surrounding sheet.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标是程序纸张左侧的亮绿色右指三角形，包括外框和内部绿色面；起初指向 outbox，之后随执行在指令行间移动。首个合格帧为 0.00 秒，最后为 37.75 秒，期间结构完整且持续可见。区间覆盖视频首尾，两端均无额外采样帧可检查。选择 0.00 秒作为关键帧，三角形清晰、无遮挡，与旁边指令及纸张容易区分。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[707.8,751.9,745.3,853.7],"positive_points":[[711,777],[714,828],[719,800],[732,801],[712,768],[719,817]],"negative_points":[[812.5,805.6],[755,769],[687.5,805.6],[718.8,882.4]],"evidence":"目标是程序列表左侧、与 outbox 指令对齐的亮绿色向右三角形。边界框紧贴三角形的外边框及绿色内部；六个正点分布在边框和内部，四个负点位于旁边的指令、纸面以及左侧和下方背景，均不属于执行指针。"}},{"name":"Playback control strip","description":"The dark control panel along the bottom, containing a red stop button, green stepping controls, a gray play button, and a horizontal speed slider; its controls become gray at the end.","membership":"Includes the panel surface and boundary, its buttons and symbols, and the complete slider track and handle. Excludes the separate back and speaker buttons to its left and the room behind it.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标是底部包含红色停止键、绿色步进键、灰色播放键及完整速度滑杆的深色控制条，不包含左侧独立返回键和扬声器键。首个合格帧为0.00秒，最后为37.75秒；面板结构始终存在，末尾控件变灰不影响其连续身份。区间覆盖视频首尾，边界外没有采样帧。选择0.00秒作为关键帧，面板和各控件清晰、无遮挡。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[124.5,871.3,497.4,1000],"positive_points":[[160.4,935.2],[215.1,935.2],[272.4,925.9],[328.1,938],[399.5,920.4],[464.6,985.2]],"negative_points":[[35,957],[99,954],[318,838],[535,952]],"evidence":"目标是画面底部包含停止、步进、播放按钮及速度滑杆的深色控制面板。边界框紧贴面板可见边缘，下沿截于图像底部；正点覆盖各按钮、滑杆手柄和面板表面，负点位于左侧独立的返回与扬声器按钮，以及面板外的房间背景。"}}]}
+{"video_id":108,"video_type":"2D games","targets":[{"name":"Left Hydrogen Generator","description":"The left of the two piston-like generators in the central insulated room, with a pink cylinder, dark supports, a bulb, and a narrow green gauge. It is immediately to the right of the space where the Smart Battery is installed.","membership":"Includes the complete generator assembly, its supports, cylinder, bulb, and attached gauge. Excludes connecting utility lines, floor tiles, floating power labels, port markers, selection highlights, and tooltips.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标是中央隔热房内左侧的氢气发电机，位于后来安装的智能电池右侧，包含粉色汽缸、支架、灯泡和狭长绿色仪表。首个合格帧为0.00秒，最后为14.75秒；期间虽有覆盖层、建造预览和动画变化，仍可确认同一完整机组持续存在。区间覆盖视频首尾，两端均无额外相邻帧。选择0.00秒作为关键帧，因为机组完整清晰，无遮挡，易与右侧机组区分。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[370.3,574.1,509.9,724.1],"positive_points":[[471.5,587.0],[468.3,625.0],[430.2,639.8],[410.4,659.3],[392.7,701.9],[494.8,665.7]],"negative_points":[[282.8,667.6],[568.8,651.9],[343.2,695.4],[441.7,746.3]],"evidence":"目标是中央隔热房间内两台活塞状发电机中的左侧一台。边界框覆盖其粉色气缸、深色支架、顶部灯泡和右侧窄绿色仪表。正点分布在这些组件上；负点位于左侧蓝色设备、右侧另一台发电机、外部连接线和下方地砖上。"}},{"name":"Right Hydrogen Generator","description":"The second piston-like generator in the central room, positioned between the left generator and the orange Power Transformer. Its cylinder and bulb animate during operation.","membership":"Includes the complete generator assembly, its supports, cylinder, bulb, and attached gauge. Excludes connecting utility lines, floor tiles, floating power labels, port markers, selection highlights, and tooltips.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标是中央房间内、左侧发电机与橙色电力变压器之间的右侧氢气发电机，可由其活塞筒、支架、顶部灯泡和右侧仪表辨认。首个合格帧为0.00秒，最后为14.75秒；期间虽有运行动画及电力、通风和自动化叠加显示，但同一完整装置持续存在。区间覆盖视频首尾，边界外无采样帧。选择0.00秒作为关键帧，装置轮廓清楚，无叠加端口标记或工具提示遮挡。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[507.3,585.2,645.8,724.1],"positive_points":[[532.8,688.0],[553.1,650.9],[581.8,671.3],[609.4,645.4],[609.4,605.6],[635.4,638.0]],"negative_points":[[470.8,625.0],[692.7,660.2],[567.7,752.8],[560.4,538.0]],"evidence":"目标是中央房间内、左侧发电机与橙色变压器之间的第二台活塞式发电机。框覆盖其支架、汽缸、线圈、灯泡及右侧倾斜仪表。六个正点分布在这些组件上；负点位于左侧发电机、橙色变压器、下方地砖和上方背景，排除外部连接线路及其他对象。"}},{"name":"Power Transformer","description":"The orange electrical device at the right end of the generator room, recognizable by its lightning-bolt housing, circular side terminals, and pointed top.","membership":"Includes the transformer's body and attached terminals and fittings. Excludes the gray equipment behind it, connected wires and pipes, overlay port symbols, floating readings, and highlighting.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标是发电机房右端的橙色变压器，具有闪电标记外壳、圆形侧端子和尖顶；不包含背后的灰色设备及线路。首个合格帧为0.00秒，最后为14.75秒，期间虽切换电力、通风和自动化叠加层，设备始终在原位，未出现移除或退出。区间覆盖视频全长，两端均无更外侧采样帧。选择0.00秒作为关键帧，因为设备完整清晰，未被叠加端口符号和读数遮挡。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[645.3,575.9,714.6,724.1],"positive_points":[[694.3,596.3],[697.9,632.4],[688.0,666.7],[676.6,709.3],[659.4,632.4],[703.6,701.9]],"negative_points":[[697.0,513.0],[650.5,698.1],[606.8,648.1],[728.1,639.8]],"evidence":"目标是发电机房右端带尖顶、闪电标记和圆形侧接头的橙色变压器。边框覆盖其本体、两侧接头及附属装配件；正点分布在尖顶、机身、底座和侧接头上。负点位于后方灰色设备、外部线路、左侧发电机及右侧墙体，排除这些非目标内容。"}},{"name":"Generator-room electrical wiring","description":"The electrical circuit running along the bases of both Hydrogen Generators and into the transformer, later connected to the new battery. The Power Overlay highlights its upstream run in white and its downstream run toward the right-hand machinery in yellow.","membership":"Includes the visible wire runs, bends, junctions, and terminal connection hardware belonging to this circuit. Follows the individual line shapes without including the space between them. Excludes connected machines, overlay port badges, wattage text, and room surfaces.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":5.5,"evidence":"通过两台氢气发电机底部通向变压器的线路、弯折及接线硬件识别目标；新增电池接入后仍是同一电路。首帧0.00秒已完整存在，末帧14.75秒仍在原位置，期间其他叠加层局部遮挡线路，但未见拆除或退出。区间到达视频首尾，两端均无额外相邻帧。选择5.50秒，电力叠加层清楚显示白色上游线路与黄色下游线路，便于排除机器、端口徽标及功率文字。","start_frame":0,"end_frame":360,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[324,607,992,707],"positive_points":[[339,693],[508,694],[662,672],[731,667],[804,639],[973,622]],"negative_points":[[317,697],[607,643],[904,635],[521,750]],"evidence":"依据电力覆盖层中连接两台氢气发电机与变压器的白色线路，以及向右侧设备延伸的黄色线路定位。框覆盖可见线段、弯折和接头，不包含机器、端口徽标或功率文字。六个正点分布在白色线路及黄色线路上；负点位于端口徽标、发电机机身和下方地板。"}},{"name":"Power construction menu","description":"The lower-left panel headed “POWER,” opened to browse generators, wiring, batteries, and transformers. Its three-column contents scroll until “Smart Battery” is selected.","membership":"Includes the panel surface, heading, boundary, scrollbar, and all item tiles with their illustrations and labels. Excludes the persistent bottom toolbar and adjacent description or material-selection panels.","id":"obj_005","temporal":{"status":"found","start_s":2.0,"end_s":6.5,"reference_s":3.25,"evidence":"目标为左下角标题为“POWER”的三列建造菜单，包含边框、滚动条及发电机、线路、电池等项目，不含底部工具栏和旁侧说明面板。2.00秒首次完整显示，前一帧1.75秒仅出现标题条，菜单尚未展开完成；最后符合条件的帧为6.25秒，6.50秒菜单已关闭。选择3.25秒作为关键帧，菜单边界清楚，电池及变压器项目完整可辨，无遮挡。","start_frame":48,"end_frame":156,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[10.4,437,153.1,916.7],"positive_points":[[36,450],[35,496],[118,578],[77,764],[35,849],[149,697]],"negative_points":[[214,492],[84.4,948],[176,657],[80.7,390.7]],"evidence":"目标是左下角标题为“POWER”的三列电力建造菜单。边界框覆盖面板表面、标题、全部可见物品格及右侧滚动条。正点分布在标题、不同物品格和滚动条上；负点位于右侧说明框、底部常驻工具栏及面板外的场景背景，均不属于目标。"}},{"name":"Power-item hover description","description":"The dark tooltip beside the Power menu that successively describes “Heavi-Watt Wire,” “Conductive Wire Bridge,” “Battery,” and “Smart Battery” while the menu is browsed.","membership":"Includes the tooltip backing and its complete current text. Excludes the construction menu, item illustrations within that menu, and the later material-selection panel.","id":"obj_006","temporal":{"status":"found","start_s":2.5,"end_s":4.0,"reference_s":3.75,"evidence":"目标是 Power 菜单右侧的深色悬停说明框，依次显示 Heavi-Watt Wire、Conductive Wire Bridge、Battery 和 Smart Battery，属于同一说明容器的内容变化。首个完整帧为 2.50 秒，最后 qualifying 帧为 3.75 秒；前一帧 2.25 秒尚无说明框，后一帧 4.00 秒已切换为建造及材料选择界面。选择 3.75 秒作为关键帧，说明框边界和 Smart Battery 的完整文字清晰可见，无遮挡。","start_frame":60,"end_frame":96,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[153.6,452.8,291.7,610.2],"positive_points":[[166.1,470.4],[269.8,480.6],[188.5,510.2],[166.7,559.3],[260.4,575],[214.6,596.3]],"negative_points":[[123.4,508.3],[127.6,663],[322.9,516.7],[317.7,629.6]],"evidence":"目标是左侧 Power 建造菜单右边、标题为“Smart Battery”的深色悬浮说明框。边界框覆盖完整底板、标题及全部说明文字；正点分布于框内文字和底板，负点位于左侧建造菜单及右侧、右下方场景背景，均不包含在提示框内。"}},{"name":"Smart Battery construction and material panel","description":"The panel to the right of the Power menu headed “Smart Battery,” showing selectable refined metals and construction controls. It expands to display the battery's requirements, effects, and resource properties.","membership":"Includes the panel heading, surface, boundary, descriptive contents, material choices, and associated construction controls. Excludes the Power menu, the battery in the room, and the cursor-following placement tooltip.","id":"obj_007","temporal":{"status":"found","start_s":4.0,"end_s":6.5,"reference_s":5.25,"evidence":"目标位于 Power 菜单右侧，以“Smart Battery”为标题，包含精炼金属选项及建造控制，并可展开显示需求、效果和资源属性。首个合格帧为4.00秒，最后为6.25秒；此前3.75秒仅有悬停说明，尚无材料与建造面板，之后6.50秒该面板已消失。选择5.25秒作为关键帧，因为展开面板的边界、说明、材料选项和控制均清晰可见，且易与左侧菜单及放置提示区分。","start_frame":96,"end_frame":156,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[156.3,329.6,382.3,916.7],"positive_points":[[213,342],[223,432],[225,626],[224,777],[227,847],[337,902]],"negative_points":[[120,768],[317,649],[904,507],[342,406]],"evidence":"目标是 Power 菜单右侧以“Smart Battery”为标题的展开建造面板。框覆盖标题、说明、需求与效果、材料属性、精炼金属选项及底部建造控制（含 Instant build mode）。正点分布于面板各内容区和控制区；负点位于左侧 Power 菜单、房间内设备、右侧悬浮提示及外部场景。"}},{"name":"Power Overlay legend","description":"The upper-right panel headed “POWER OVERLAY,” explaining producer, consumer, switch, and circuit-load colors. Its lower section contains a transformer flow diagram.","membership":"Includes the entire legend panel, its boundary, headings, keys, explanatory text, and transformer diagram. Excludes the separate overlay toolbar and the highlighted circuit in the game world.","id":"obj_008","temporal":{"status":"found","start_s":4.0,"end_s":6.5,"reference_s":4.5,"evidence":"目标是右上角标题为“POWER OVERLAY”的完整图例面板，包含生产者、消费者、开关、电路负载色键及下方变压器流向图。首个合格帧为4.00秒，最后为6.25秒；此前3.75秒显示资源列表而无该面板，此后6.50秒已退出电力覆盖视图，面板消失。选择4.50秒作为关键帧，面板边界、文字和变压器图均清楚且无遮挡。","start_frame":96,"end_frame":156,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[828.1,112,989.1,606.5],"positive_points":[[906.3,123.1],[849,200],[921.9,300.9],[866.7,373.1],[890.6,430.6],[927.1,525.9]],"negative_points":[[907.3,65.7],[789.1,349.1],[908.9,635.2],[802.1,530.6]],"evidence":"目标是右上角标题为“POWER OVERLAY”的完整图例面板。边框覆盖上部电力类别与负载颜色说明，以及下部变压器流向图。正点分布在标题、图例面板表面、说明文字和变压器图示；负点位于面板外的独立覆盖工具栏、游戏背景及高亮电路上。"}},{"name":"Smart Battery","description":"The battery selected for construction and installed between the two blue plants and the left Hydrogen Generator. It first appears as a movable outline, then as a solid ribbed cabinet with a round green indicator and vertical charge display.","membership":"Includes the complete battery outline during placement and the corresponding cabinet, ribs, indicator, and built-in charge display after construction. Excludes the placement grid, cursor, floating charge numbers, connection badges, warning icon, electrical effects, and attached utility lines.","id":"obj_009","temporal":{"status":"found","start_s":4.25,"end_s":15.0,"reference_s":8.25,"evidence":"目标是两株蓝色植物与左侧氢气发电机之间的智能电池，包含放置轮廓及随后建成的肋条柜体、圆形绿灯和竖直电量显示。4.25秒首次出现完整红色放置轮廓；前一帧4.00秒仅见放置网格和建造提示，未见完整电池轮廓。轮廓随后转为实体，持续至最后一帧14.75秒，故结束时间为15.00秒，视频结束后无相邻帧。选择8.25秒作为关键帧，此时柜体结构清晰，未被建造面板或管线叠层遮挡。","start_frame":102,"end_frame":360,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[302.1,603.7,370.8,726.9],"positive_points":[[316.1,611.1],[317.7,646.3],[319.3,686.1],[353.9,630.6],[358.3,698.1],[365.1,714.8]],"negative_points":[[283.9,669.4],[434.4,648.1],[333.9,728.7],[325.5,574.1]],"evidence":"目标是两株蓝色植物右侧、左侧氢气发电机左边的肋片式电池柜。框覆盖柜体、横向肋片、圆形绿色指示灯及内置竖向电量显示；正点分布在这些部件上。负点位于蓝色植物、邻近发电机、下方红色警告图标和上方背景，排除外接线路及提示标记。"}},{"name":"Smart Battery placement tooltip","description":"The dark floating box headed “Build Smart Battery,” accompanying the placement preview and showing build instructions, available Gold, and placement-validity messages.","membership":"Includes the tooltip surface and all text and instructional symbols inside it. Excludes the battery preview, cursor, grid, and fixed material-selection panel.","id":"obj_010","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.5,"evidence":"目标是随电池放置预览出现的深色浮动框，标题为“Build Smart Battery”，内含建造操作、Gold 数量及放置有效性提示。首个完整帧为4.00秒，最后一个符合帧为5.00秒；前一帧3.75秒仅显示菜单中的 Smart Battery 介绍提示，后一帧5.25秒放置提示框消失，改为固定材料面板的详细介绍。选择4.50秒作为关键帧，因提示框边界完整、文字清晰，且与电池预览及材料面板容易区分。","start_frame":96,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[345.8,754.6,486.5,885.2],"positive_points":[[363,770],[394,793],[459,795],[417,818],[398,866],[474,849]],"negative_points":[[236,818],[377,653],[318,752],[513,862]],"evidence":"目标是画面下方中央标题为“Build Smart Battery”的深色悬浮提示框。边界框紧贴提示框表面，包含建造操作符号、放置限制、耗电量及Gold信息；六个正点分布于框内标题、说明和表面。负点位于左侧固定材料面板、电池预览及提示框外场景，均不属于目标。"}},{"name":"Conductive Wire Bridge hover description","description":"A dark tooltip headed “Conductive Wire Bridge” that appears beside the expanded Smart Battery information panel after the battery has been placed.","membership":"Includes the tooltip backing and its complete explanatory text. Excludes the Smart Battery panel and the construction-menu tile that triggered it.","id":"obj_011","temporal":{"status":"found","start_s":5.5,"end_s":5.75,"reference_s":5.5,"evidence":"5.50秒帧中，电池已放置，展开的 Smart Battery 信息面板右侧出现标题为“Conductive Wire Bridge”的深色提示框，背景和完整说明文字均已呈现。首末 qualifying 帧均为5.50秒；前一帧5.25秒和后一帧5.75秒仅有 Smart Battery 信息面板，没有该提示框。选择5.50秒作为关键帧，因为目标完整清晰且无遮挡。","start_frame":132,"end_frame":138,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[296.4,345.4,434.9,506.5],"positive_points":[[332,363],[413,384],[311,401],[382,435],[337,454],[394,487]],"negative_points":[[257,430],[78,681],[455,393],[370,536]],"evidence":"目标是 Smart Battery 信息面板右侧、标题为“Conductive Wire Bridge”的深色悬浮说明框。边界框覆盖其完整底板、标题和全部说明文字；六个正点分布于标题、正文及底板，负点位于左侧电池面板、建造菜单图块和提示框外的场景背景。"}},{"name":"World-object inspection tooltips","description":"The dark inspection boxes appearing below and beside the machinery after construction mode closes. They first identify “HYDROGEN GENERATOR” and “WIRE,” then show nearby insulated tiles and pipe contents as the inspected location changes.","membership":"Includes each visible inspection-box surface, boundary, heading, and status text in this continuous inspection presentation. Excludes the inspected objects, cursor, and any selection glow on the game world.","id":"obj_012","temporal":{"status":"found","start_s":6.5,"end_s":8.25,"reference_s":7.75,"evidence":"目标是退出建造模式后随悬停位置变化的深色世界对象检查框。首个合格帧为6.50秒，显示“HYDROGEN GENERATOR”和“WIRE”；随后连续显示绝热砖、管道内容，最后8.00秒显示“ABYSSALITE”。前一帧6.25秒仍为电池建造预览，后一帧8.25秒已换成工具栏的 Plumbing Overlay 提示，不属于目标。选择7.75秒作为关键帧，因为检查框边界、标题和内容清楚，遮挡较少。","start_frame":156,"end_frame":198,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[813.5,586.1,965.1,755.6],"positive_points":[[834.4,604.6],[892.2,628.7],[845.3,652.8],[840.6,692.6],[927.1,716.7],[858.3,740.7]],"negative_points":[[779.2,698.1],[846.9,333.3],[980.2,572.2],[790.6,542.6]],"evidence":"目标是右下方两块深色世界对象检查提示框，分别显示“INSULATED TILE”和“INSULATED LIQUID PIPE”及温度、管内水量等信息。边界框覆盖两块提示框的完整可见表面与文字；正点分布于两框的标题和状态区域，负点位于框外的机械、光标、资源列表和墙体上。"}},{"name":"Gas-pipe network","description":"The pipe system revealed by the Ventilation Overlay: a horizontal supply serving both Hydrogen Generators, bridge connections at the right wall, and a cyan-filled oxygen route rising vertically and extending through the right-hand equipment.","membership":"Includes the visible pipe segments, junctions, bridge structures, and contents displayed within the pipes. Follows the actual network rather than enclosing the surrounding room. Excludes connected machines, inlet and outlet badges, the legend, and unrelated electrical wiring.","id":"obj_013","temporal":{"status":"found","start_s":8.75,"end_s":10.5,"reference_s":9.25,"evidence":"通过通风叠加层识别：横向管道连接两台氢气发电机，右墙处有桥接结构，青色含气管路向上延伸并贯穿右侧设备。首个合格帧为8.75秒，最后为10.25秒；此前8.50秒仅显示通风叠加层提示，管网尚未显现，之后10.50秒管网已隐藏。选择9.25秒作为关键帧，管段、桥接及青色内容清晰可辨；目标不包含机器、进出口徽标、图例或电线。","start_frame":210,"end_frame":252,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[397.4,0,1000,720.4],"positive_points":[[437,696],[599,697],[707,637],[731,365],[872,512],[891,697]],"negative_points":[[696,512],[456,648],[766,335],[907,255]],"evidence":"依据通风叠加层中的白色管段、桥接结构及青色管内气体识别。边界框覆盖两台氢气发电机下方的供气横管、右墙桥接、向上延伸至画面顶端及向右延伸出画面的管路；实际目标仅沿管网分布。正点分散在横管、桥接和青色气路上，负点位于端口徽标、发电机、电线及右上图例，均不属于目标。"}},{"name":"Ventilation Overlay legend","description":"The upper-right panel headed “VENTILATION OVERLAY,” with “Output Pipe” and “Building Intake” keys and a diagram explaining gas-flow direction.","membership":"Includes the complete panel surface, boundary, text, keys, arrows, and illustrative machinery diagram. Excludes the overlay toolbar and the actual pipe network.","id":"obj_014","temporal":{"status":"found","start_s":8.75,"end_s":10.5,"reference_s":9.0,"evidence":"目标是右上角标题为“VENTILATION OVERLAY”的完整图例面板，包含 Output Pipe、Building Intake 标识及气流方向箭头和机械示意图。首个合格帧为8.75秒，最后一个为10.25秒；此前8.50秒仅显示工具栏悬停提示，尚无图例面板，此后10.50秒面板已消失。选择9.00秒作为关键帧，面板完整清晰且无遮挡。","start_frame":210,"end_frame":252,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[828.1,112,989.6,338],"positive_points":[[906.3,123.1],[839.6,153.7],[898.4,185.2],[858.9,284.3],[925.5,270.4],[977.1,322.2]],"negative_points":[[905.2,65.7],[731.8,268.5],[804.7,370.4],[911.5,388.9]],"evidence":"目标是右上角标题为“VENTILATION OVERLAY”的完整图例面板。边界框覆盖面板表面、边框、两项接口说明及气流方向示意图；正点分布在标题、图例、机械示意和面板表面，负点位于上方工具栏、实际管网及面板外背景。"}},{"name":"Automation construction menu","description":"The lower-left panel headed “AUTOMATION,” opened after inspection of the gas network. Its three-column grid includes automation wiring, switches, sensors, and logic devices.","membership":"Includes the panel surface, heading, boundary, scrollbar, and all item tiles with their graphics and labels. Excludes the persistent bottom toolbar and adjacent tooltips or material-selection panels.","id":"obj_015","temporal":{"status":"found","start_s":11.75,"end_s":15.0,"reference_s":12.0,"evidence":"目标是左下角标题为“AUTOMATION”的三列建造菜单，包含接线、开关、传感器及逻辑设备图块。11.50秒仅出现标题条，11.75秒面板边界、滚动条和图块网格已完整呈现；最后合格帧为14.75秒，菜单仍保持显示，因此区间延至视频结束15.00秒，之后无采样帧。选择12.00秒作为关键帧，此时菜单完整清晰，且无相邻提示框遮挡。","start_frame":282,"end_frame":360,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[10.4,438,153.1,916.7],"positive_points":[[45.3,449.1],[33.9,509.3],[120.3,601.9],[77.1,687],[120.8,866.7],[149,738.9]],"negative_points":[[83.3,945.4],[170.8,600.9],[52.1,398.1],[177.1,861.1]],"evidence":"目标是左下角标题为“AUTOMATION”的三列建造菜单。边界框覆盖面板背景、标题、所有可见物品图标及标签、边框和右侧滚动条。正点分布于标题、不同位置的物品格及滚动条；负点位于下方常驻工具栏、面板上方背景及右侧场景，均不属于该菜单。"}},{"name":"Automation-item hover description","description":"The dark tooltip beside the Automation menu, first describing “Clock Sensor” and then “Automation Wire.”","membership":"Includes the tooltip backing and all current descriptive text. Excludes the construction menu and the subsequent expanded Automation Wire construction panel.","id":"obj_016","temporal":{"status":"found","start_s":12.25,"end_s":13.0,"reference_s":12.75,"evidence":"目标是 Automation 菜单右侧的深色悬停说明框，包含背景和当前说明文字。首个完整帧为12.25秒，显示“Clock Sensor”；12.50秒内容变为“Duplicant Motion Sensor”，12.75秒变为“Automation Wire”，说明框持续存在。此前12.00秒尚无该提示框；此后13.00秒已被展��的 Automation Wire 建造面板替代，不计入目标。选择12.75秒作为关键帧，提示框边界及文字清晰、无遮挡。","start_frame":294,"end_frame":312,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[154.2,452.8,291.7,539.8],"positive_points":[[166.1,468.5],[213.0,471.3],[176.6,489.8],[250.5,489.3],[180.2,523.6],[270.8,523.6]],"negative_points":[[121.9,508.3],[219.8,414.8],[318.8,502.8],[254.2,576.9]],"evidence":"目标是 Automation 菜单右侧当前显示“Automation Wire”的深色悬浮说明框。边界框覆盖完整底板、标题及两段说明文字；正点分布在标题、说明和底板上，负点位于左侧建造菜单及提示框外的场景背景，不包含后续建造面板。"}},{"name":"Automation Wire construction and material panel","description":"The panel headed “Automation Wire” beside the Automation menu. It displays wiring effects, refined-metal choices, resource properties, and construction controls while wire is prepared for placement.","membership":"Includes the panel surface, boundary, heading, explanatory contents, material tiles, and associated construction controls. Excludes the separate menu, material hover tooltip, and cursor-following wire-placement tooltip.","id":"obj_017","temporal":{"status":"found","start_s":13.0,"end_s":15.0,"reference_s":13.0,"evidence":"目标是 Automation 菜单右侧标题为“Automation Wire”的建造与材料面板，包含说明、效果、精炼金属选项及建造控制。13.00 秒首次完整呈现；此前 12.75 秒只有菜单悬停说明，尚无材料与建造面板。随后面板虽收起部分说明内容，但材料选择与控制区域持续存在，最后符合帧为 14.75 秒，故区间结束于视频末尾 15.00 秒，之后无采样帧。选择 13.00 秒作为关键帧，面板内容完整且没有材料悬停提示遮挡。","start_frame":312,"end_frame":360,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[156.25,564.81,381.25,917.59],"positive_points":[[213.02,576.85],[216.67,690.74],[224.48,787.04],[253.65,847.22],[228.65,902.78],[307.81,901.85]],"negative_points":[[120.31,518.52],[348.96,818.52],[333.85,948.15],[174.48,529.63]],"evidence":"通过“Automation Wire”标题及接线说明、精炼金属选项识别目标。框覆盖该建造面板及底部优先级、右侧即时建造控件；正点分布在标题、说明、资源属性、材料格和建造控件上。负点位于独立的 Automation 菜单、外围场景及底部其他工具栏，不包含这些区域。"}},{"name":"Automation Overlay legend","description":"The upper-right panel headed “AUTOMATION OVERLAY,” showing input, output, and reset port symbols and green, red, and disconnected grid states.","membership":"Includes the entire legend panel, its border, background, text, port illustrations, and color keys. Excludes the overlay toolbar and port markers attached to machinery in the room.","id":"obj_018","temporal":{"status":"found","start_s":13.0,"end_s":15.0,"reference_s":13.25,"evidence":"目标为右上角标题“AUTOMATION OVERLAY”的完整图例面板，包含输入、输出、重置端口符号及绿色、红色、断开状态色键。首个合格帧为13.00秒，前一帧12.75秒该处仍为资源列表，未出现此面板；最后合格帧为14.75秒，面板持续完整可见至视频结束，边界之后无采样帧。选择13.25秒作为关键帧，面板边框、背景和全部图例清晰且无遮挡。","start_frame":312,"end_frame":360,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[828.1,111.1,989.6,363.0],"positive_points":[[906,123],[840,154],[880,186],[842,216],[864,280],[918,344]],"negative_points":[[914,66],[812,230],[909,387],[765,635]],"evidence":"目标是右上角标题为“AUTOMATION OVERLAY”的图例面板，含三种端口符号及绿、红、断开状态说明。边界框紧贴完整面板外缘，包含标题、背景、边框及全部图例内容。正点分布于标题、端口图例和状态区域；负点位于上方工具栏、面板外场景及机器上的独立端口标记，均排除在目标之外。"}},{"name":"Automation Wire placement tooltip","description":"The floating dark box headed “Build Automation Wire,” showing drag instructions, Iron availability, and potential power consumption while the connection is drawn.","membership":"Includes the tooltip surface and its complete text and instructional symbols. Excludes the cursor, placement grid, wire preview, and fixed construction panel.","id":"obj_019","temporal":{"status":"found","start_s":13.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是随布线位置移动的深色“Build Automation Wire”提示框，包含拖动/返回符号、Iron 可用量，并在后续帧显示潜在耗电量。此连续出现的首帧为13.75秒，末帧为14.75秒；紧邻之前的13.50秒显示的是材料说明框，并无该放置提示框。目标持续至视频结束，之后没有采样帧。选择14.75秒作为关键帧，因为提示框边界和文字完整清晰，无遮挡。","start_frame":330,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[541.7,741.7,675.5,851.9],"positive_points":[[557.3,761.1],[619.8,761.1],[563.5,786.1],[609.4,810.2],[582.3,833.3],[666.7,842.6]],"negative_points":[[546.4,702.8],[250,788],[518.8,805.6],[696.4,692.6]],"evidence":"目标是画面下方偏右、标题为“Build Automation Wire”的浮动深色提示框。边界框覆盖完整提示框表面、拖动与返回符号、耗电及 Iron 信息；正点分布于标题、说明和面板表面，负点位于框外光标、放置网格、左侧固定建造面板及邻近机器上。"}},{"name":"Gold material tooltip","description":"The small dark tooltip headed “Gold,” opened over the Automation Wire material choices and listing decor, overheat temperature, conductivity, and thermal properties.","membership":"Includes the tooltip backing, heading, and property list. Excludes the Gold selection tile, cursor, and underlying construction controls.","id":"obj_020","temporal":{"status":"found","start_s":13.5,"end_s":13.75,"reference_s":13.5,"evidence":"13.50秒出现完整的深色“Gold”提示框，位于Automation Wire材料选项上方附近，列出装饰、过热温度、高导热性及热反应属性；首末合格帧均为13.50秒。前一帧13.25秒仅显示建造提示及材料选项，后一帧13.75秒Gold提示框已消失。选择13.50秒作为关键帧，因为其背景、标题和属性列表均清晰完整。","start_frame":324,"end_frame":330,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[253.6,865.7,383.3,969.4],"positive_points":[[265,881],[283,900],[348,917],[308,936],[334,953],[377,883]],"negative_points":[[253,847],[247,821],[223,905],[396,907]],"evidence":"目标是图像下方材料选项上弹出的深色“Gold”提示框，列有装饰、过热温度、导热及热反应属性。边框紧贴提示框底板，包含标题和完整属性列表；正点分布于标题、列表及底板，负点位于框外的金材料选择格、光标、底层建造控件和右侧背景。"}},{"name":"Battery-to-generator automation wiring","description":"The new horizontal automation connection drawn from the Smart Battery's output across the left Hydrogen Generator to the right Hydrogen Generator. It appears progressively as an outlined wire route in the Automation Overlay.","membership":"Includes the new wire segments and their junctions, following their actual narrow shapes. Excludes the battery and generators, their square overlay port badges, the placement grid, floating segment counts, electrical wiring beneath the route, and the separate pre-existing automation connection in the right-hand room.","id":"obj_021","temporal":{"status":"found","start_s":14.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是自动化叠加层中，从智能电池输出端横向经过左侧氢气发电机、连接至右侧氢气发电机的新增细线及接点，不包括方形端口标记。首个及最后一个合格采样帧均为14.75秒，此时完整线路已呈现；前一帧14.50秒仍在逐段绘制，尚未延伸至右侧发电机。选择14.75秒作为关键帧，因为完整线路清晰可辨。区间到达视频末尾，之后没有采样帧。","start_frame":354,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[325.5,691.7,516.1,702.8],"positive_points":[[340.6,694.4],[363.0,698.1],[404.2,697.2],[425.5,694.4],[466.1,698.1],[503.1,695.4]],"negative_points":[[317.2,697.2],[524.5,697.2],[541.7,604.6],[800.0,635.2]],"evidence":"目标是左侧房间内从智能电池输出端横向连接两台氢气发电机的细线框自动化线路。边界框紧贴端口徽标之间可见的线段及接点；正点分布在线路左右各段，负点位于电池和发电机端口徽标、放置网格及右侧房间已有的绿色连线上。"}}]}
+{"video_id":109,"video_type":"2D games","targets":[{"name":"Glasgow map preview","description":"The small rounded map thumbnail on the opening map-selection screen, flanked by three stars and a column of train symbols.","membership":"Includes the thumbnail surface, rounded boundary, enclosed map graphic, and flanking rating symbols. Excludes the separate “Glasgow” caption below and the larger map information to the right.","id":"obj_001","temporal":{"status":"found","start_s":0.75,"end_s":1.0,"reference_s":0.75,"evidence":"目标是开场地图选择页的小型圆角地图缩略图，包括左侧三颗星及右侧列状列车符号，不含下方 Glasgow 标题。0.75 秒为淡入完成后的首个合格帧，也是最后合格帧；此前 0.50 秒仍处于整体淡入、亮度尚未完全建立，之后 1.00 秒已切换到游戏地图，目标消失。选取 0.75 秒作为关键帧，缩略图及两侧符号完整清晰、无遮挡。","start_frame":18,"end_frame":24,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[312.5,201.9,479.2,332.4],"positive_points":[[354.2,233.3],[425.5,296.3],[318.2,239.8],[318.2,285.2],[473.4,220.4],[473.4,309.3]],"negative_points":[[394.8,354.6],[574,260],[395.8,175.9],[291.7,268.5]],"evidence":"目标是左侧带圆角边框的地图缩略图，左边有三颗星，右边有一列列车符号。边界框包含缩略图表面、内部地图及两侧评分符号，不含下方“Glasgow”标题或右侧地图信息。正点分布在缩略图表面、星形轮廓和列车符号上；负点位于下方标题、右侧大标题以及上方和左侧外部背景。"}},{"name":"Glasgow preview caption","description":"The “Glasgow” text directly beneath the map thumbnail.","membership":"Includes only the caption lettering, excluding the thumbnail and surrounding menu surface.","id":"obj_002","temporal":{"status":"found","start_s":0.75,"end_s":1.0,"reference_s":0.75,"evidence":"目标是地图缩略图正下方的小字“Glasgow”，不包括右侧的大标题。0.75秒为淡入完成后的首个合格帧，也是最后一个合格帧；此前0.50秒的字幕仍随菜单淡入，之后1.00秒已切换为游戏地图，字幕消失。选择0.75秒作为关键帧，因其文字完整清晰且无遮挡。","start_frame":18,"end_frame":24,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[372.4,344.4,420.3,362.0],"positive_points":[[374.0,351.9],[380.7,358.3],[387.5,353.7],[392.2,349.1],[404.7,348.1],[416.7,357.4]],"negative_points":[[395.8,381.5],[362.0,355.6],[429.7,355.6],[393.2,313.0]],"evidence":"目标是地图缩略图正下方的小号“Glasgow”字幕，而非右侧的大标题。边界框紧贴整段字幕；六个正点分布于字幕字母笔画，负点位于字幕两侧、下方菜单背景及上方缩略图内。"}},{"name":"Glasgow map information","description":"The large “GLASGOW” heading with the “Endless” mode information and small symbol-and-number indicator beneath it.","membership":"Includes this compact map-information unit and its indicator. Excludes the neighboring thumbnail and the New Game control.","id":"obj_003","temporal":{"status":"found","start_s":0.75,"end_s":1.0,"reference_s":0.75,"evidence":"目标是缩略图右侧的“GLASGOW”标题及下方“Endless”、符号和数字16，不包括缩略图与New Game按钮。0.75秒为首个及最后一个淡入完成、完整显示的采样帧；此前0.50秒仍处于渐亮淡入中，之后1.00秒已切换为游戏地图，目标消失。选择0.75秒作为关键帧，因为文字与指示符完整清晰、无遮挡。","start_frame":18,"end_frame":24,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[518.8,229.6,734.4,332.4],"positive_points":[[524.5,257.4],[617.7,234.3],[727.1,249.1],[520.8,321.3],[565.6,320.4],[583.9,322.2]],"negative_points":[[395.8,263.9],[500,421.3],[625,361.1],[572.9,46.3]],"evidence":"目标是右侧大号“GLASGOW”及其下方的“Endless”、小符号和数字16。边界框紧贴这一信息单元；正点分布在标题字形、模式文字和符号数字上，负点位于左侧缩略图、New Game按钮、下方外部背景及顶部其他菜单文字。"}},{"name":"New Game control","description":"The central yellow-outlined play control labeled “NEW GAME,” activated before the railway view appears.","membership":"Includes the rounded button surface, border, play symbol, and associated “NEW GAME” label. Excludes the pointer and hover lighting outside the control.","id":"obj_004","temporal":{"status":"found","start_s":0.75,"end_s":1.0,"reference_s":0.75,"evidence":"目标是画面中央带黄色圆角边框和播放三角符号、下方标有“NEW GAME”的控件。0.75秒时按钮及标签已完整显现，为首个及最后一个合格采样帧；此前0.50秒仍处于渐入变亮阶段，之后1.00秒已切换为铁路视图，控件消失。选择0.75秒作为关键帧，结构和标签清晰完整。","start_frame":18,"end_frame":24,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[465.6,397.2,536.5,484.3],"positive_points":[[474.5,417.6],[511.5,400.9],[496.4,422.2],[515.6,435.2],[474.5,466.7],[532.3,474.1]],"negative_points":[[492.7,439.8],[453.1,420.4],[546.9,473.1],[500,509.3]],"evidence":"目标是画面中央黄色描边、带播放三角形的“NEW GAME”控件。框覆盖圆角按钮表面、边框、播放符号及下方完整标签。正点分布于按钮及标签字形；负点位于明确排除的鼠标指针和控件外部背景，避开内部空隙。"}},{"name":"Game Configuration panel","description":"The opening settings panel with the vertical “GAME CONFIGURATION” heading and options “Infinite Money” and “Unlock All Upgrades.”","membership":"Includes the panel surface, heading, option labels, and their square checkboxes. Excludes the New Game control and bottom navigation controls.","id":"obj_005","temporal":{"status":"found","start_s":0.75,"end_s":1.0,"reference_s":0.75,"evidence":"通过竖排“GAME CONFIGURATION”标题、两项设置文字及对应方形复选框识别目标。首末合格帧均为0.75秒，面板表面和内容已完整呈现；前一帧0.50秒仍处于初始淡入、整体较暗，后一帧1.00秒已切换到轨道游戏画面，面���消失。选择0.75秒作为关键帧，目标结构及文字最清晰，且无遮挡。","start_frame":18,"end_frame":24,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[208.3,519.4,772.9,873.1],"positive_points":[[215.5,772],[281,573],[303,628],[470.8,567],[470.8,621.5],[638,768]],"negative_points":[[501,423],[803,947],[166,693],[820,702]],"evidence":"依据竖排“GAME CONFIGURATION”标题及两项设置识别面板。边界框覆盖面板表面、标题、选项文字和方形复选框；正点分布于这些内容及面板内部。负点位于 New Game 控件、底部重置控件和面板左右外部背景，均不属于目标。"}},{"name":"Railway construction panel — initial appearance","description":"The tall cyan-bordered panel first opened on the left of the railway view. It contains “CONNECTIONS,” “CONTROLS,” and “BULLDOZE,” with the 40 km/h track selected.","membership":"Includes the complete panel surface, outer boundary, section boundaries, tool icons, labels, prices, and selection states. Excludes the separate vertical toolbar and the railway behind it.","id":"obj_006","temporal":{"status":"found","start_s":1.0,"end_s":3.75,"reference_s":1.5,"evidence":"目标是铁路画面左侧的高窄青色边框施工面板，包含 CONNECTIONS、CONTROLS、BULLDOZE 及工具、价格，40 km/h 轨道呈黄色选中状态。首个完整帧为1.00秒，最后完整帧为3.50秒；此前0.75秒仍是地图菜单，之后3.75秒施工面板已关闭。选择1.50秒作为关键帧，面板结构完整清晰，无遮挡，且与左侧独立工具栏易于区分。","start_frame":24,"end_frame":90,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[66.1,89.8,306.8,887.0],"positive_points":[[109,192],[229,306],[164,440],[106,546],[234,716],[182,844]],"negative_points":[[29,121],[391,267],[335,491],[501,871]],"evidence":"目标是左侧青色外框的高大铁路建设面板，含 CONNECTIONS、CONTROLS 和 BULLDOZE，40 km/h 轨道呈黄色选中状态。框覆盖完整面板及边界；正点分布于各分区的控件、文字和面板表面，负点位于独立竖向工具栏、右侧铁路与背景及底部时间显示框。"}},{"name":"Railway track schematic","description":"The connected railway drawing linking Cumbernauld, Easterhouse, and Bridgeton. It begins with a diagonal connection and gains a parallel route and additional junctions during construction.","membership":"Includes the actual rail strokes, connected platform tracks, platform numbers, junctions, terminal markers, and installed signal symbols. Follows the open line geometry rather than enclosing the spaces between routes. Excludes trains, separate station-name plaques, construction previews, floating instructions, and background terrain outlines.","id":"obj_007","temporal":{"status":"found","start_s":1.0,"end_s":7.5,"reference_s":4.0,"evidence":"目标是连接 Cumbernauld、Easterhouse 与 Bridgeton 的实际轨道线网，包括站台轨道、编号、端点和信号符号，不含列车及黄色施工预览。1.00 秒首次显示已建立的线网；前一帧 0.75 秒仍为地图菜单。后续增建平行线路不改变其身份。最后合格帧为 7.25 秒，7.50 秒开始擦除式场景转场，旧线网被遮罩替换。选择 4.00 秒作关键帧，此时施工侧栏已关闭，线路与站台结构完整清楚。","start_frame":24,"end_frame":180,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[243.8,253.7,888.5,623.1],"positive_points":[[245.3,267.6],[294.8,318.1],[544.3,488.9],[656.3,267.6],[645.8,619.4],[832.3,518.5]],"negative_points":[[534.4,270.4],[602.1,216.7],[468.8,509.3],[294.3,216.7]],"evidence":"目标是连接 Cumbernauld、Easterhouse 和 Bridgeton 的已建轨道网络。边框覆盖左侧两条站台轨道、中央平行斜线与分岔、右侧站台及终端标记。正点分布在端部轮廓、轨道直线和斜线；负点位于列车、站名牌、外部背景及上方暗色未启用轨道，不将路线间空隙标为目标。"}},{"name":"Cumbernauld station plaque","description":"The rectangular “CUMBERNAULD” station-name plaque above the upper-left platform group, initially partly hidden by the construction panel.","membership":"Includes the plaque surface, boundary, and enclosed station name. Excludes the platforms, trains, and railway lines below it.","id":"obj_008","temporal":{"status":"found","start_s":1.0,"end_s":7.25,"reference_s":3.75,"evidence":"目标是左上方站台组上方、写有“CUMBERNAULD”的矩形站名牌。首次合格帧为1.00秒，牌体已建立，但左侧被施工面板遮挡；0.75秒仍为地图菜单。此段最后合格帧为7.00秒，7.25秒转场遮罩已移除该牌，因此不合并后续场景中的再现。选择3.75秒作为关键帧，此时施工面板关闭，站名牌完整清晰且无遮挡。","start_frame":24,"end_frame":174,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[282.81,100.93,358.85,133.33],"positive_points":[[286.46,107.41],[294.79,123.15],[311.98,113.89],[328.13,122.22],[340.63,112.04],[355.21,125]],"negative_points":[[270.83,115.74],[372.4,115.74],[319.79,166.67],[320.31,267.59]],"evidence":"目标是图像左上方站台组上方写有“CUMBERNAULD”的矩形站名牌。边界框紧贴完整牌面及边缘；六个正点分布在牌面和文字区域，四个负点位于牌外两侧背景及下方站台、轨道区域。"}},{"name":"Easterhouse station plaque","description":"The “EASTERHOUSE” plaque above the short upper branch. Its backing changes from gray to blue later in the demonstration.","membership":"Includes the complete name plaque and its text through movement, scaling, and color changes. Excludes nearby train markers and platform tracks.","id":"obj_009","temporal":{"status":"found","start_s":1.0,"end_s":7.5,"reference_s":4.0,"evidence":"目标是短上方支线之上的灰底“EASTERHOUSE”站名牌，不包括列车标记和轨道。首次完整出现于1.00秒，随地图移动持续可见至7.25秒；前一帧0.75秒仍为地图菜单，后一帧7.50秒的转场遮罩已移除该名牌，因此不合并之后蓝底名牌的再出现。选择4.00秒作为关键帧，此时名牌完整清晰、无遮挡，易于与其他站名区分。","start_frame":24,"end_frame":180,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[567.19,202.78,639.06,233.33],"positive_points":[[572.92,209.26],[585.42,218.52],[597.92,209.26],[609.9,223.15],[622.92,215.74],[633.33,225.93]],"negative_points":[[629.69,267.59],[599.48,267.59],[598.96,184.26],[650.52,217.59]],"evidence":"目标是画面上方短支线之上的灰色“EASTERHOUSE”站名牌。边界框紧贴完整牌面及文字；六个正点分布于牌面不同位置，四个负点位于下方列车标记、轨道及牌外背景，均不包含在目标内。"}},{"name":"Bridgeton station plaque","description":"The “BRIDGETON” plaque over the right-hand platforms, later gold and greatly enlarged as the view zooms toward the collision.","membership":"Includes the plaque surface, boundary, and station name. Excludes the trains, numbered tracks, and floating route summaries around it.","id":"obj_010","temporal":{"status":"found","start_s":1.0,"end_s":7.75,"reference_s":4.0,"evidence":"目标是右侧站台上方写有“BRIDGETON”的灰色站名牌，包括牌面和边框。首次完整出现于1.00秒，前一帧0.75秒仍为地图菜单；本次连续出现的最后合格帧为7.50秒，虽被浮动路线标签部分遮挡，仍可确认是同一牌。7.75秒转场遮罩已移除原牌，新画面的金色牌尚被裁切。选择4.00秒作为关键帧，此时牌面完整、文字清晰且无遮挡。","start_frame":24,"end_frame":186,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[770.31,453.7,831.25,484.26],"positive_points":[[773.44,459.26],[783.85,468.52],[799.48,462.96],[809.9,473.15],[827.08,460.19],[822.92,479.63]],"negative_points":[[755.21,462.96],[841.67,464.81],[800.52,516.67],[796.88,429.63]],"evidence":"目标是图像右侧站台上方写有“BRIDGETON”的灰色站名牌。边界框紧贴牌面外缘，涵盖表面、边框和站名；六个正点分布在牌面及文字区域，负点位于牌外两侧、上方背景和下方编号轨道处，不包含列车或其他面板。"}},{"name":"Train Fr8781","description":"The white segmented train initially curved around the approach to Easterhouse, identified by the nearby “Fr8781” label.","membership":"Includes the locomotive and carriage bodies, their outlines, and internal markings. Excludes its adjacent identification text, track, headlight glow, and station markers.","id":"obj_011","temporal":{"status":"found","start_s":1.0,"end_s":4.25,"reference_s":3.75,"evidence":"目标是 Easterhouse 进站弯道上、邻近“Fr8781”标签的白色分节列车，仅计车头及车厢本体。首个完整可见帧为1.00秒，最后符合帧为4.00秒；此前0.75秒仍是地图菜单，此后4.25秒已切换至较晚的运行状态，该列车不再可见。选择3.75秒作为关键帧，此时建造侧栏已关闭，列车轮廓完整，车体与轨道、标签易于区分。","start_frame":24,"end_frame":102,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[509.4,258.3,563.0,308.3],"positive_points":[[516.7,295.4],[524.5,282.4],[534.4,269.4],[545.3,267.6],[554.2,262.0],[560.4,274.1]],"negative_points":[[529.7,322.2],[504.2,338.9],[576.0,267.6],[629.7,267.6]],"evidence":"根据附近“Fr8781”标签，定位到Easterhouse进站弯道上的白色分节列车。框仅覆盖车头和各节车厢的可见车体、轮廓及内部标记；六个正点分布在弯曲车厢与右端车头上。负点位于下方识别文字、轨道、右侧灯光及车站标记，均不属于列车。"}},{"name":"Score counter","description":"The cyan-framed star counter at the top, initially showing 0 and later 19,500 with a percentage indicator.","membership":"Includes the counter surface, frame, star symbol, value, and percentage indicator when present. Excludes the adjacent money and train counters.","id":"obj_012","temporal":{"status":"found","start_s":1.0,"end_s":16.75,"reference_s":10.5,"evidence":"目标是顶部独立的青色圆角星形计分框，包含星标、数值及后来出现的百分比，不包含右侧金钱和列车计数框。首个合格帧为1.00秒；此前0.75秒仍是地图菜单，没有该计分框。计分框持续存在，数值由0变为19,500，最后合格帧为16.50秒；16.75秒开始随界面淡暗退出。选择10.50秒作为关键帧，边框完整清晰，星标、19,500及+13%均可辨认，无遮挡。","start_frame":24,"end_frame":402,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[348.96,20.37,457.81,75.93],"positive_points":[[366.67,47.22],[391.67,46.3],[417.19,46.3],[440.1,56.48],[403.65,24.07],[437.5,66.67]],"negative_points":[[507.81,48.15],[601.56,48.15],[338.54,46.3],[401.04,8.33]],"evidence":"目标是顶部带星形符号、显示“19,500”和“+13%”的青色计分框。边界框紧贴计分器表面及外框；正点分布于星标、数值、百分比、边框和内部表面，负点位于相邻金钱与列车计数器及外部背景。"}},{"name":"Money counter","description":"The cyan-filled top counter with a wallet symbol, initially showing 17,500 and updating as track is built and the game progresses.","membership":"Includes the filled counter shape, wallet symbol, and displayed amount. Excludes neighboring counters and floating expenditure text on the map.","id":"obj_013","temporal":{"status":"found","start_s":1.0,"end_s":16.75,"reference_s":1.0,"evidence":"目标是顶部中央带钱包图标和金额的青色实心圆角计数器，初始显示17,500，后续金额更新但容器持续存在。首个合格帧为1.00秒，前一帧0.75秒仍是地图菜单，没有该计数器；最后合格帧为16.50秒，16.75秒起计数器随画面明显变暗淡出。选择1.00秒作为关键帧，因为形状、钱包图标及金额清晰完整，且与相邻计数器易于区分。","start_frame":24,"end_frame":402,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[440.6,20.4,522.9,75.9],"positive_points":[[457.3,47.2],[473.4,46.3],[507.8,48.1],[455.2,29.6],[512.5,29.6],[487.5,66.7]],"negative_points":[[408.3,48.1],[574,48.1],[482.3,7.4],[481.8,96.3]],"evidence":"目标是图像顶部带钱包图标、显示“17,500”的青色实心金额计数器。边界框紧贴整个圆角计数器，包含底色、图标和金额；正点分布于这些内容及面板表面，负点位于左右相邻计数器和上下外部背景。"}},{"name":"Train totals counter","description":"The top cyan-outlined counter containing green and red train symbols with their changing totals.","membership":"Includes the counter surface, boundary, both train symbols, and their associated values. Excludes the neighboring score and money counters.","id":"obj_014","temporal":{"status":"found","start_s":1.0,"end_s":16.75,"reference_s":8.0,"evidence":"目标是顶部独立的青色圆角边框计数器，内含绿色、红色列车图标及各自数量，不包括左侧分数和金额框。首个完整帧为1.00秒；前一帧0.75秒仍是地图菜单，没有该计数器。其边框和布局持续存在，数值变化不影响身份。最后合格帧为16.50秒，16.75秒开始随界面淡暗。选择8.00秒作为关键帧，边界清晰、无遮挡，两种列车图标及数值24和1易于辨认。","start_frame":24,"end_frame":402,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[559.4,20.4,652.6,75.9],"positive_points":[[563,45],[576,47],[596,48],[625,48],[640,47],[609,73]],"negative_points":[[401,48],[508,48],[680,47],[604,105]],"evidence":"目标是顶部金额右侧的青色描边列车总数计数器，内有绿色列车及24、红色列车及1。框紧贴完整计数器，覆盖底面、边界、图标和数值；正点分布在这些内容上，负点位于左侧分数与金额计数器及右侧、下方外部背景。"}},{"name":"Simulation clock and speed controls","description":"The cyan-framed digital clock with pause, play, 5x, 15x, and 25x controls. It moves between the lower center and lower left as panels open and close.","membership":"Includes the clock box, time display, clock or stopped-state symbol, and the compact row of playback controls below. Excludes the separate map-display icons above it and adjacent information panels.","id":"obj_015","temporal":{"status":"found","start_s":1.0,"end_s":16.75,"reference_s":1.0,"evidence":"目标为青色边框数字时钟及其下方暂停、播放、5x、15x、25x按钮，不包括上方地图图标。1.00秒首次完整显示，前一帧0.75秒仍为地图菜单；此后随界面布局在下方中央和左下角移动。最后符合条件的是16.50秒，16.75秒起时钟及按钮随画面明显淡暗。选择1.00秒作为关键帧，整组控件清晰完整且无遮挡。","start_frame":24,"end_frame":402,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[414.1,826.9,587.5,983.3],"positive_points":[[502,872],[432,954],[466,959],[500,955],[534,958],[569,954]],"negative_points":[[659,820],[280,842],[601,780],[607,955]],"evidence":"目标位于画面下方中央：青色边框内显示08:21:47及停止状态符号，下方依次为暂停、播放、5x、15x和25x按钮。框紧贴时钟与整排播放控件的可见范围；正点覆盖时钟显示区域和五个按钮，负点位于外部地图背景及左侧独立面板，不包含相邻信息区域。"}},{"name":"Track construction preview","description":"The yellow provisional track drawn from Cumbernauld platform 4, extended diagonally and then toward the Bridgeton connection during the initial construction sequence.","membership":"Includes only the current provisional yellow rail stroke and its endpoint circles. Follows the open preview geometry. Excludes committed track, cost text, mouse instructions, and the cursor.","id":"obj_016","temporal":{"status":"found","start_s":1.5,"end_s":3.25,"reference_s":2.25,"evidence":"目标是从 Cumbernauld 4 号站台延伸、带端点圆圈的黄色临时轨道，仅计当前预览线。首个合格帧为 1.50 秒，最后为 3.00 秒；此前 1.25 秒只有悬停标记，尚无该预览线，之后 3.25 秒轨道已提交为蓝白色，仅余黄色节点，不再有黄色临时轨道线。选择 2.25 秒作为关键帧，因长斜向预览线及两端圆圈清楚，易与已提交轨道区分。","start_frame":36,"end_frame":78,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[398.4,308.3,594.3,579.6],"positive_points":[[412.5,318.5],[446.4,311.1],[477.1,370.4],[519.3,445.4],[554.2,507.4],[591.1,571.3]],"negative_points":[[588.5,517.6],[599.5,587.8],[545.3,440.7],[359.4,267.6]],"evidence":"目标是从 Cumbernauld 4 号站台右侧延伸的黄色建轨预览，包括短水平段、斜向右下的轨道及圆形端点。框紧贴这些黄色内容；正点分布在水平段、斜段和端点上，负点位于费用文字、鼠标光标及已有轨道上，均不属于预览。"}},{"name":"Train information panel — first appearance","description":"The wide cyan-bordered lower panel introduced when the first construction panel closes. It first displays “OVERVIEW,” then shows Com1941's itinerary and controls, and later returns to an overview of other trains.","membership":"Includes the entire panel surface, boundary, headings, train rows, itinerary graphic, status information, and controls as its contents update. Excludes the clock to its left and the separate Bridgeton timetable to its right.","id":"obj_017","temporal":{"status":"found","start_s":3.75,"end_s":11.25,"reference_s":4.5,"evidence":"目标是下方中央的宽青色边框列车信息面板，不包括左侧时钟和右侧 Bridgeton 时刻表。首个合格帧为3.75秒，面板完整显示 OVERVIEW；随后内容变为 Com1941 行程及控制按钮，再返回其他列车概览，边框和面板身份保持连续。最后合格帧为11.00秒；此前界外帧3.50秒仍是施工面板，之后11.25秒施工面板重新打开，目标消失。选择4.50秒作为关键帧，面板完整清晰，行程、状态及控制按钮均易于辨认。","start_frame":90,"end_frame":270,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[196.9,734.3,717.7,981.5],"positive_points":[[259,765],[323,812],[407,859],[503,763],[640,873],[512,955]],"negative_points":[[103,872],[851,861],[507,640],[128,953]],"evidence":"目标是画面下方中央显示 Com1941 的宽青色边框列车信息面板。框选覆盖完整边界、面板底色、行程图、状态文字及底部控制按钮。正点分布于标题、行程、状态、面板右部和按钮；负点位于左侧时钟、右侧独立 Bridgeton 时刻表、上方地图和左下播放控件，均不属于目标。"}},{"name":"Bridgeton timetable — first appearance","description":"The cyan-bordered lower-right panel titled “BRIDGETON,” containing platform rows, timed train blocks, and a “FULL HOUR” control.","membership":"Includes the panel surface and border, heading, timeline, platform labels, train blocks, time cursor, and panel controls. Excludes the neighboring train information panel and the railway above.","id":"obj_018","temporal":{"status":"found","start_s":3.75,"end_s":11.25,"reference_s":8.0,"evidence":"目标是右下角青色边框的“BRIDGETON”时刻表，含站台行、列车时间块和“FULL HOUR”控件。首个完整呈现帧为3.75秒，之前3.50秒仍是建造界面，未显示该面板；面板持续至11.00秒，11.25秒切回建造界面后消失。选择8.00秒作为关键帧，面板边界完整、标题及时间轴清楚，无遮挡。","start_frame":90,"end_frame":270,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[731.8,734.3,992.2,981.5],"positive_points":[[769,765],[946,764],[790,818],[913,835],[799,917],[957,954]],"negative_points":[[698,843],[665,957],[861,680],[945,560]],"evidence":"目标是右下角标题为“BRIDGETON”、带“FULL HOUR”控件的青色边框时刻表。框覆盖完整面板及边框；正点分布在标题、控件、时间轴和面板下部表面，负点位于左侧相邻列车信息面板及上方铁路区域。"}},{"name":"Train Com4390","description":"The white train labeled “Com4390,” initially departing Cumbernauld platform 4 and subsequently moving down the diagonal route toward Bridgeton.","membership":"Includes its locomotive and carriage bodies with their outlines and markings. Excludes the identification label, route coloring, headlight glow, and penalty text.","id":"obj_019","temporal":{"status":"found","start_s":4.25,"end_s":7.75,"reference_s":7.0,"evidence":"根据“Com4390”标签及其从 Cumbernauld 4 号站台驶向 Bridgeton 的轨迹，确认白色列车车体。首个合格帧为 4.25 秒，前一帧 4.00 秒尚未出现该列车；最后合格帧为 7.50 秒，车体仍完整可见，7.75 秒已被转场移除。选择 7.00 秒作为关键帧，列车在斜向轨道上完整清晰，与其他列车分离，便于仅标注机车及车厢。","start_frame":102,"end_frame":186,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[357.3,330.6,403.6,414.8],"positive_points":[[360.4,340.7],[364.6,349.1],[371.4,357.4],[380.2,372.2],[388.5,387.0],[396.9,401.9]],"negative_points":[[390.6,354.6],[426.6,449.1],[353.6,381.5],[411.5,424.1]],"evidence":"目标是画面中部沿斜线驶向右下方、旁标“Com4390”的白色列车。框紧贴其两端驾驶室及中间车厢，包含轮廓和内部标记；六个正点分布在这些车体上。负点位于车号文字、红色路线、旁侧灰色轨道和车头外的光晕，均不属于车体。"}},{"name":"Train Com1941","description":"The white train selected at Bridgeton platform 2, initially represented by an arrival marker and then visible as a segmented train entering and stopping at the platform.","membership":"Includes the actual train bodies and their internal markings when visible. Excludes the arrival countdown marker, selection outline, name label, overhead itinerary, and lower information panel.","id":"obj_020","temporal":{"status":"found","start_s":6.5,"end_s":7.75,"reference_s":7.0,"evidence":"通过 Bridgeton 2 站台旁的 Com1941 标签及其进站、停车过程，确认目标为白色分节列车，仅计车身及内部标记。首个合格帧为6.50秒，末个为7.50秒；6.25秒仍只有进站光效，未见完整车身，7.75秒转场已移除该列车。选择7.00秒作为关键帧，此时列车完整停在站台，车身清晰，易与标签及上方行程图区分。","start_frame":156,"end_frame":186,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[633.9,535.2,691.7,557.4],"positive_points":[[638.5,546.3],[650,545.4],[661.5,546.3],[674,546.3],[683.9,541.7],[688.5,549.1]],"negative_points":[[688.5,527.8],[664.6,580.6],[687,434.3],[380.7,370.4]],"evidence":"目标是Bridgeton站旁、Com1941名称标签上方的横向白色分节列车。框仅覆盖车体及内部标记，不含外围选择轮廓。六个正点分布在各节车体和端部；负点分别位于倒计时、名称标签、上方行程牌及左上方另一列车上。"}},{"name":"Com1941 floating itinerary","description":"The compact route summary above the selected Bridgeton train, with tilted plaques reading “BRIDGETON 2,” “CUMBERNAULD 3,” and “BRIDGETON 1.”","membership":"Includes the three plaques, their text, and the short connecting progress graphic beneath them. Excludes the train, its selection label, and the station plaque.","id":"obj_021","temporal":{"status":"found","start_s":4.5,"end_s":7.75,"reference_s":5.0,"evidence":"目标是 Com1941 列车上方的三块倾斜行程牌，文字为“BRIDGETON 2”“CUMBERNAULD 3”“BRIDGETON 1”，并包括下方短进度连接图。首次完整出现于 4.50 秒，最后 qualifying 帧为 7.50 秒；此前 4.25 秒尚无该行程图，之后 7.75 秒已消失并切换至其他列车画面。选择 5.00 秒作为关键帧，三块牌及连接图完整清晰，与列车标签和车站牌容易区分。","start_frame":108,"end_frame":186,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[728.1,382.4,841.7,523.1],"positive_points":[[751.6,444.4],[808.9,400],[822.9,436.1],[739.6,510.2],[770.8,511.1],[802.1,510.2]],"negative_points":[[662,446.3],[688,546.3],[766.7,579.6],[859.4,424.1]],"evidence":"目标位于所选列车上方，由三块倾斜的“BRIDGETON 2”“CUMBERNAULD 3”“BRIDGETON 1”牌及下方短进度连接图组成。边框紧贴三牌和连接图的可见范围；正点分布在三块牌与三个进度节点上，负点位于独立车站牌、列车图标、Com1941选择标签及右侧背景。"}},{"name":"Train Com8566","description":"The gold-carriage train labeled “Com8566,” first seen leaving Cumbernauld platform 4 and then traveling along the diagonal toward Bridgeton platform 1.","membership":"Includes its carriage and locomotive shapes, outlines, and internal markings. Excludes the adjacent name, floating itinerary, headlight glow, and colored route beneath it.","id":"obj_022","temporal":{"status":"found","start_s":7.75,"end_s":11.25,"reference_s":9.75,"evidence":"通过“Com8566”标签及金色车厢，确认目标从 Cumbernauld 4 站台驶向 Bridgeton 1。首个完整呈现帧为7.75秒；此前7.50秒仍被转场遮罩截断。最后合格帧为11.00秒，11.25秒已切换到其他列车和不同游戏时刻。选择9.75秒作关键帧，列车完整可见，无悬浮行程遮挡，车厢与机车轮廓清楚。","start_frame":186,"end_frame":270,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[693.2,546.3,745.8,569.4],"positive_points":[[697.4,560.2],[708.3,560.2],[718.8,560.2],[729.7,560.2],[738.5,553.7],[742.2,558.3]],"negative_points":[[711.5,578.7],[752.6,547.2],[681.3,547.2],[443.2,287.9]],"evidence":"目标是画面右下方、驶向 Bridgeton 的金色列车，其下方标注 Com8566。框仅覆盖车厢及两端机车的可见形状、轮廓和内部标记。六个正点分布在金色车厢与白色端部；负点位于下方名称、前方灯光、左侧路线及另一列车上，均不属于目标。"}},{"name":"Train Com9760","description":"The gold-carriage train labeled “Com9760,” waiting at Cumbernauld platform 3 while another train proceeds toward Bridgeton.","membership":"Includes the complete visible train consist and its internal markings. Excludes the name label, signal, station track, and route highlight.","id":"obj_023","temporal":{"status":"found","start_s":7.5,"end_s":11.25,"reference_s":8.5,"evidence":"目标是停在 Cumbernauld 3 号站台、标注“Com9760”的金色车厢列车，仅计完整车组及内部标记，不含名称、信号和轨道。首个合格帧为 7.50 秒，转场虽未结束，但该车组已完整显示；此前 7.25 秒未出现目标。最后合格帧为 11.00 秒，11.25 秒切换至较晚的游戏状态，原站台上的目标已消失。选择 8.50 秒作为关键帧，车组清晰完整，且名称和站台关系便于确认身份。","start_frame":180,"end_frame":270,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[422.4,278.7,475,297.2],"positive_points":[[425.5,286.1],[437.5,285.2],[449,287.9],[459.9,285.2],[468.8,287],[459.9,292.6]],"negative_points":[[441.7,305.6],[484.4,287.9],[506.3,287.9],[618.2,434.3]],"evidence":"目标是 Cumbernauld 站3号站台上、Com9760 标签正上方的金色列车。框覆盖完整可见车组，包括两端白色部分及内部标记，不含下方名称。六个正点分布在车组两端和金色车厢上；负点位于名称标签、右侧信号、线路高亮和另一列驶向 Bridgeton 的列车上。"}},{"name":"Train Fr8788","description":"The white train labeled “Fr8788” at Easterhouse in the later operating view, moving toward the right-hand exit.","membership":"Includes its locomotive and carriage bodies. Excludes the nearby reward marker, identification text, track coloring, and headlight glow.","id":"obj_024","temporal":{"status":"found","start_s":7.75,"end_s":8.5,"reference_s":8.0,"evidence":"通过 Easterhouse 站旁的“Fr8788”标签及向右侧出口移动的白色机车、车厢识别目标。7.75 秒首次完整出现，8.25 秒为最后完整帧；此前 7.50 秒的转场尚未显露该列车，随后 8.50 秒列车开始在出口被逐步遮除，车体数量减少。选择 8.00 秒作为关键帧，此时整列车清晰、标签可辨，且与上方奖励标记分离。","start_frame":186,"end_frame":204,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[668.75,278.7,721.35,297.22],"positive_points":[[672.92,286.11],[683.85,287.96],[694.79,286.11],[705.21,288.89],[713.54,287.04],[719.27,288.89]],"negative_points":[[700.52,244.44],[682.29,305.56],[656.25,287.96],[734.38,287.96]],"evidence":"目标是 Easterhouse 站旁、标注“Fr8788”且朝右出口行驶的白色列车。框仅覆盖其车厢和右端机车车体；六个正点分布在各节车体上。负点位于上方奖励标记、下方识别文字、左侧轨道及右侧灯光，均不属于车体。"}},{"name":"Com8566 floating itinerary","description":"The route summary briefly displayed over Com8566 on the diagonal, showing “BRIDGETON 2,” “CUMBERNAULD 4,” and “BRIDGETON 1.”","membership":"Includes the three tilted destination plaques and their compact progress line and markers. Excludes the train, selection box, and surrounding railway.","id":"obj_025","temporal":{"status":"found","start_s":8.25,"end_s":8.5,"reference_s":8.25,"evidence":"8.25秒时，斜向轨道上的Com8566上方完整显示三块倾斜站名牌“BRIDGETON 2”“CUMBERNAULD 4”“BRIDGETON 1”，以及下方的短进度线和标记，符合目标分组。首个和最后一个合格帧均为8.25秒；相邻的8.00秒与8.50秒帧均未显示该悬浮行程摘要。选择8.25秒作为关键帧，因该帧目标完整清晰，便于与列车及其选择框区分。","start_frame":198,"end_frame":204,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[575.5,200.9,688.5,342.6],"positive_points":[[601.6,261.1],[639.6,250],[665.1,262],[587,330.6],[618.2,330.6],[649.5,330.6]],"negative_points":[[616.1,398.1],[536.5,329.6],[700.5,218.5],[612.5,424.1]],"evidence":"目标位于画面中央偏右、Com8566上方，可由三块倾斜的“BRIDGETON 2”“CUMBERNAULD 4”“BRIDGETON 1”牌识别。框覆盖三块牌及下方紧凑进度线和标记；正点分布于各牌面及进度标记，负点位于排除的列车、选择框、周围铁路和邻近图标。"}},{"name":"Railway construction panel — later appearance","description":"The left construction panel reopened after the operating view. Both 40 and 80 km/h tracks are available, and “MANUAL SIGNAL” is selected.","membership":"Includes the complete panel surface, cyan outer boundary, section frames, tool icons, labels, prices, and selections. Excludes the toolbar beside it, placement instructions, and underlying map.","id":"obj_026","temporal":{"status":"found","start_s":11.25,"end_s":13.5,"reference_s":12.5,"evidence":"目标是后期开启的左侧铁路建造面板：40与80 km/h轨道均可用，MANUAL SIGNAL为黄色选中状态，包含完整青色外框及各分区。首个合格帧为11.25秒，最后为13.25秒；此前11.00秒是运营视图，没有该面板，此后13.50秒面板已关闭。选择12.50秒作为关键帧，面板结构完整清晰、无遮挡，便于标注。","start_frame":270,"end_frame":324,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[66.1,89.8,306.8,888],"positive_points":[[122,134],[161,193],[262,422],[105,547],[200,711],[203,842]],"negative_points":[[29,120],[28,339],[344,340],[390,719]],"evidence":"目标是左侧展开的铁路建设面板：40与80 km/h轨道均可用，MANUAL SIGNAL呈黄色选中状态。边界框覆盖完整面板表面、青色外框、各分区及底部BULLDOZE栏。正点分布于标题、轨道工具、面板表面、信号工具及底栏；负点位于左侧独立工具栏和右侧地图，均不属于面板。"}},{"name":"Train Fr1020","description":"The white train labeled “Fr1020,” stationary at the upper Cumbernauld platform in the later construction and operating views.","membership":"Includes the visible train bodies and their internal markings. Excludes its identification label, countdown, station plaque, and platform track.","id":"obj_027","temporal":{"status":"found","start_s":11.25,"end_s":15.75,"reference_s":15.25,"evidence":"根据“Fr1020”标签及其停在 Cumbernauld 最上方站台的位置，识别出白色列车及内部标记，不包含标签、倒计时或轨道。首个合格帧为11.25秒，末个为15.50秒；此前11.00秒该站台没有此列车，随后15.75秒镜头放大使其移出画面。选择15.25秒作为关键帧，车体完整、较大且无遮挡。","start_frame":270,"end_frame":378,"reference_frame":366},"grounding":{"status":"found","bbox_xyxy":[142.2,101.9,197.4,123.1],"positive_points":[[145.4,112.4],[157.3,113.2],[167.4,112.5],[178.2,113.1],[188.2,113.2],[194.6,115.8]],"negative_points":[[156.3,130.6],[128.1,112.9],[169.1,26.1],[583.2,372.7]],"evidence":"目标是左上方 Cumbernauld 站上层站台、Fr1020 标签正上方的白色列车。边界框紧贴全部可见车体及内部标记，不包含下方编号、上方倒计时和站台轨道。六个正点分布在各节车体上；负点位于编号标签、左侧轨道、站名牌及右侧另一列白色列车上。"}},{"name":"Train Fr4518","description":"The gold freight train labeled “Fr4518,” traveling down the diagonal toward Bridgeton and ultimately contacting the stationary white train there.","membership":"Includes the freight cars and locomotive shapes, their boundaries, and internal markings through movement and close-up enlargement. Excludes the name label, direction arrow, red track, lighting effects, and game-over overlay.","id":"obj_028","temporal":{"status":"found","start_s":11.25,"end_s":19.0,"reference_s":16.0,"evidence":"通过“Fr4518”标签及其金色货车车厢和白色机车识别目标；它沿斜轨驶向 Bridgeton，最终接触停驻的白色列车。首个合格帧为11.25秒，前一帧11.00秒仍是另一列车Com9760/Com8566所在场景。目标持续至最后采样帧18.75秒，后期虽被游戏结束界面压暗、模糊，车体仍可见，并未退出；视频末尾无后续帧。选择16.00秒作为关键帧，车体已放大且完整，便于区分车厢、机车与相邻白色列车，排除标签、轨道及光效。","start_frame":270,"end_frame":456,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[393.2,439.8,632.8,518.5],"positive_points":[[414,477],[465,487],[512,476],[563,483],[600,468],[621,499]],"negative_points":[[463,559],[683,478],[363,480],[508,387]],"evidence":"通过“Fr4518”标签及其上方相连的四节金色货车识别目标。框覆盖四节货车和右端白色机车，不包含后方属于Com2057的白色车厢。正点分布于货车及机车内部；负点位于名称标签、另一列白色列车、红色轨道和上方背景。"}},{"name":"Train Com2057","description":"The white train labeled “Com2057,” stationary at Bridgeton platform 1 with a departure countdown as Fr4518 approaches from behind.","membership":"Includes its locomotive and carriage bodies, outlines, and internal markings through the final close-up. Excludes the countdown, name label, direction arrow, track, and game-over overlay.","id":"obj_029","temporal":{"status":"found","start_s":11.25,"end_s":16.25,"reference_s":16.0,"evidence":"通过“Com2057”标签、Bridgeton 1站台及发车倒计时，确认目标为静止的白色列车，后方黄色Fr4518逐渐接近。首个合格帧为11.25秒；前一帧11.00秒仍是其他列车的场景，没有该目标。最后合格帧为16.00秒，列车车身完整位于画面内；16.25秒继续放大后，其右端被画面边界裁切。选择16.00秒作为关键帧，因为白色车身、轮廓和内部标记清晰，且与黄色列车容易区分。","start_frame":270,"end_frame":390,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[632,440,853,518],"positive_points":[[647,497],[679,470],[692,502],[731,477],[781,490],[836,497]],"negative_points":[[605,480],[838,400],[710,562],[903,480]],"evidence":"根据“Com2057”标签及其位于Bridgeton站倒计时下方的位置识别白色列车。框覆盖左端被Fr4518遮挡后仍可见的车体、三节白色车厢和右端驾驶室，不包含外围倒计时框。正点分布在这些可见车体上；负点位于后方Fr4518的车头、倒计时文字、车名标签和右侧轨道。"}},{"name":"Train information panel — later appearance","description":"The wide lower “OVERVIEW” panel restored after the later construction panel closes, listing FR1020, COM2057, and FR4518 with their changing status and speed information.","membership":"Includes the complete panel surface, cyan boundary, heading, train rows, destination badges, and status values. Excludes the clock and separate timetable beside it.","id":"obj_030","temporal":{"status":"found","start_s":13.5,"end_s":16.75,"reference_s":14.0,"evidence":"目标是下方宽大的 cyan 边框“OVERVIEW”面板，列有 FR1020、COM2057、FR4518，不包括左侧时钟和右侧时刻表。13.50 秒首次完整恢复，前一帧 13.25 秒仍为施工界面；最后符合条件的是 16.50 秒，下一帧 16.75 秒面板随游戏画面开始淡暗。选择 14.00 秒作为关键帧，面板边界完整、文字清晰且无遮挡。","start_frame":324,"end_frame":402,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[196.9,734.3,717.7,981.5],"positive_points":[[232,763],[240,827],[354,855],[686,800],[290,930],[633,948]],"negative_points":[[104,874],[855,873],[533,667],[171,762]],"evidence":"目标是图像下方宽大的 OVERVIEW 列车信息面板，列有 FR1020、COM2057、FR4518。边界框覆盖完整面板表面、青色边框、标题、列车行、目的地徽章及状态速度。正点分布于标题、列车信息、徽章、状态和下部面板表面；负点位于左侧时钟、右侧独立时刻表及面板外背景。"}},{"name":"Bridgeton timetable — later appearance","description":"The restored lower-right “BRIDGETON” timetable, showing the later schedule around 15:50 through 16:10 and remaining visible during the collision close-up.","membership":"Includes the panel surface, boundary, title, controls, platform rows, time labels, schedule blocks, and time cursor. Excludes the neighboring overview and the enlarged railway scene.","id":"obj_031","temporal":{"status":"found","start_s":13.5,"end_s":16.75,"reference_s":15.75,"evidence":"目标是右下角恢复显示的“BRIDGETON”时刻表，时间轴约为15:50至16:10，包含完整边框、控制项和班次色块。13.25秒仍为建造界面，没有该面板；13.50秒面板完整出现。最后合格帧为16.50秒，16.75秒开始随碰撞后的画面整体淡暗。选择15.75秒作关键帧，面板清晰完整，且与放大的铁路场景及邻侧概览容易区分。","start_frame":324,"end_frame":402,"reference_frame":378},"grounding":{"status":"found","bbox_xyxy":[731.8,734.3,992.7,981.5],"positive_points":[[766,763],[937,765],[775,820],[929,834],[799,911],[958,950]],"negative_points":[[669,841],[858,686],[560,925],[965,710]],"evidence":"目标是右下角标题为“BRIDGETON”的时刻表，可见15:50、16:00和16:10时间标签。边界框紧贴整个面板外缘，包含标题、控件、站台行、时刻块、时间游标及面板底面。正点分布于这些内容和面板内部；负点位于左侧Overview面板及上方铁路场景，排除相邻对象。"}},{"name":"Fr4518 identification label","description":"The “Fr4518” text beneath the gold train, becoming a prominent independent text subject in the final close-up.","membership":"Includes only the identification lettering. Excludes the adjacent direction arrow, train bodies, red track, and lower overview panel.","id":"obj_032","temporal":{"status":"found","start_s":11.25,"end_s":16.75,"reference_s":16.5,"evidence":"目标是金色列车旁的“Fr4518”识别文字，不含方向箭头或下方概览面板。首次完整出现于11.25秒，随后持续可见并随镜头放大，最后 qualifying 帧为16.50秒。此前11.00秒显示的是其他列车标识；16.75秒画面及目标文字开始变暗淡出。选择16.50秒��为关键帧，文字完整、清晰且尺寸较大，便于单独标注。","start_frame":270,"end_frame":402,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[339.6,587.9,509.4,666.7],"positive_points":[[343.8,613.0],[373.4,642.6],[412.5,625.0],[429.7,611.1],[467.2,629.6],[494.8,659.3]],"negative_points":[[283.3,625.0],[419.8,463.9],[370.8,563.9],[391.1,903.7]],"evidence":"目标是金色列车下方醒目的“Fr4518”标签，边界框仅覆盖完整识别文字。六个正点分别位于六个字符的笔画上；负点位于左侧方向箭头、上方金色车身、红色轨道及下方概览面板，均排除在目标之外。"}},{"name":"Com2057 identification label","description":"The “Com2057” text beneath the white train at Bridgeton, prominently enlarged beside the Fr4518 label before the game-over message.","membership":"Includes only the visible identification lettering, including its partially cropped presentation during the closest zoom. Excludes the direction arrow, train bodies, and countdown.","id":"obj_033","temporal":{"status":"found","start_s":11.25,"end_s":16.75,"reference_s":16.0,"evidence":"目标是 Bridgeton 白色列车下方的“Com2057”识别文字，不含方向箭头及倒计时。首次合格帧为11.25秒，前一帧11.00秒仍是其他列车场景；文字随后持续出现，最近距离缩放中的局部裁切按目标说明保留。最后合格帧为16.50秒，16.75秒开始整体变暗淡出。选择16.00秒作为关键帧，此时文字放大、完整清晰，并与旁边的Fr4518标签容易区分。","start_frame":270,"end_frame":402,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[645.3,540.7,758.3,577.8],"positive_points":[[647.4,558.3],[668.8,550.0],[696.9,560.2],[708.9,543.5],[728.1,570.4],[753.6,544.4]],"negative_points":[[622.4,559.3],[730.7,477.8],[837.0,399.1],[468.2,561.1]],"evidence":"目标是白色列车下方、Fr4518右侧的“Com2057”标识。边界框紧贴整段文字，正点分布在不同字符的可见笔画上；负点位于左侧方向箭头、上方车身、倒计时和旁边的Fr4518文字，均不属于目标。"}},{"name":"Game Over heading","description":"The large cyan “GAME OVER” heading revealed over the dimmed collision scene.","membership":"Includes only the heading lettering. Excludes the dimming overlay, train graphics, and explanatory sentence beneath it.","id":"obj_034","temporal":{"status":"found","start_s":18.5,"end_s":19.0,"reference_s":18.75,"evidence":"目标是碰撞场景上方的大号青色“GAME OVER”标题，仅包含标题字母。18.25秒标题仍在淡入；18.5秒首次完整清晰呈现，18.75秒为最后一个合格采样帧，标题仍保持可见，因此区间延续至视频结束19.0秒，之后无采样帧。选择18.75秒作为关键帧，标题清晰、无遮挡，易与下方说明文字区分。","start_frame":444,"end_frame":456,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[403.1,233.3,628.1,300.9],"positive_points":[[407.8,265.7],[445,283.3],[466.7,261.1],[497.9,275],[533.9,267.6],[613.5,252.8]],"negative_points":[[511.5,194.4],[375,266.7],[656.3,268.5],[531.3,347.2]],"evidence":"目标是画面中央偏上的大型青色“GAME OVER”标题。边界框紧贴整行标题字形，六个正点分散落在不同字母笔画上；负点位于标题上方及左右的暗背景和下方说明句上，不包含列车或遮暗层。"}},{"name":"Collision explanation","description":"The final sentence “Trains Fr4518 and Com2057 have crashed. Try again.” with the two train identifiers highlighted in yellow.","membership":"Includes the complete sentence lettering as one text block. Excludes the “GAME OVER” heading, backing dimming effect, and underlying train labels.","id":"obj_035","temporal":{"status":"found","start_s":18.5,"end_s":19.0,"reference_s":18.75,"evidence":"目标是“GAME OVER”下方完整句子“Trains Fr4518 and Com2057 have crashed. Try again.”，两个列车编号以黄色突出。首个合格帧为18.50秒，最后为18.75秒；此前18.25秒尚未完整显示该句。目标持续至视频结束19.00秒，无后续采样帧。选择18.75秒作为关键帧，完整文字清晰且无遮挡。","start_frame":444,"end_frame":456,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[231.8,329.6,741,368.5],"positive_points":[[237.5,336.1],[296.9,345.4],[375,350.9],[414.6,347.2],[637.5,346.3],[733.3,350]],"negative_points":[[539.6,268.5],[416.7,638.9],[484.4,398.1],[208.3,346.3]],"evidence":"目标是“GAME OVER”下方的完整碰撞说明句，包含黄色标出的 Fr4518 和 Com2057。框覆盖整句文字及末尾标点；六个正点分布在句子各段的字形笔画上，负点位于上方标题、下方列车标签及句外背景，均排除在目标之外。"}}]}
+{"video_id":110,"video_type":"2D games","targets":[{"name":"Battlefield tile grid","description":"The central combat board consists of four rows of tiles, with blue outlines on the player's left half and red outlines on the enemy's right half.","membership":"Includes the outlined tile surfaces, their borders, and combat contents displayed on them, including separately identified combatants and attacks. Excludes the surrounding forest, detached interface panels, and floating announcement text.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":1.25,"evidence":"目标是中央四行战斗地砖网格，左半蓝色边框、右半红色边框，包含其上的战斗角色与攻击。首帧0.00秒已完整建立，末帧15.75秒仍完整可见；期间只有战斗内容和局部效果变化，网格持续存在。区间覆盖视频首尾，两侧均无额外采样帧。选择1.25秒作为关键帧，网格边界清晰，公告文字已消失，攻击效果遮挡少。","start_frame":0,"end_frame":384,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[170.3,368.1,830.5,783.3],"positive_points":[[205.5,462.5],[289.8,738.9],[375,570.8],[543,555.6],[708.6,629.2],[786.7,419.4]],"negative_points":[[585.9,340.3],[121.1,680.6],[429.7,861.1],[890.6,618.1]],"evidence":"目标为中央四行战斗棋盘，左半蓝框、右半红框。边界覆盖全部格面、边框及其战斗内容，包括右上方突出格面的石状单位。正点分布于左右格面、人物、紫色敌人与石状单位；负点位于外围森林、左侧独立界面和底部进度条。"}},{"name":"Player character","description":"The blonde human combatant initially near the right edge of the blue tiles, wearing a white jacket, pink skirt, dark leggings, and white shoes. She moves around the board and briefly advances into the enemy half.","membership":"Includes the complete character sprite and its clothing throughout movement and attack poses. Excludes floating numbers, status icons, targeting markers, the blue defensive barrier, and emitted attack effects.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":1.25,"evidence":"目标是金发、白外套、粉裙、深色 leggings 和白鞋的人类角色，在蓝色棋盘上移动并短暂进入敌方区域；不包含数字、状态图标、蓝色护盾及攻击特效。首个合格帧为0.00秒，最后为15.75秒，角色始终连续可见且未发生退出，因此区间覆盖至16.00秒。区间已达视频首尾，两端均无外侧采样帧。选择1.25秒作为关键帧，此时角色全身清楚，衣着与轮廓完整，无遮挡护盾或攻击特效。","start_frame":0,"end_frame":384,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[350,484.7,404.7,659.7],"positive_points":[[374,502],[354,545],[397,542],[376,579],[364,622],[390,648]],"negative_points":[[358,463],[375,678],[431,619],[709,630]],"evidence":"目标是蓝色格子上的金发人类角色，穿白色外套、粉色裙子、深色裤袜和白鞋。边界框紧贴完整人物精灵；正点分布在头发、双臂、裙子、腿和鞋上。负点位于头顶状态图标、脚下生命数字、旁边空格及右侧紫色敌人，均不属于角色。"}},{"name":"Purple enemy","description":"The purple, irregularly shaped creature initially in the lower portion of the red grid. It changes shape while attacking and later moves to the far-right column.","membership":"Includes the entire creature sprite through its poses, deformation, and hit recoloring. Excludes health and status readouts, targeting marks, emitted projectiles, and the later blue barrier.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":1.25,"evidence":"目标是红色网格下部的紫色不规则敌人，攻击时变形、受击时变色，之后移至最右列；不包括数值、状态标记、弹体及蓝色屏障。首个合格帧为0.00秒，最后为15.75秒，同一生物持续可见，未见退场。区间覆盖视频首尾，两端均无额外相邻采样帧。选择1.25秒作为关键帧，紫色精灵轮廓完整清晰，无遮挡，易与其他元素区分。","start_frame":0,"end_frame":384,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[678.9,566.7,732.8,669.4],"positive_points":[[692.2,590.3],[708.6,597.2],[718.8,577.8],[718.8,623.6],[703.9,631.9],[697.7,659.7]],"negative_points":[[708.6,680.6],[761.7,645.8],[791.4,445.8],[659.4,569.4]],"evidence":"目标是红色网格下部、生命值“247”上方的紫色不规则生物。边界框紧贴其身体和突出肢体，不含生命值、瞄准标记或右上方蓝色障碍物。六个正点分布在头部、顶部突起、躯干和底部；负点位于生命值、右侧瞄准标记、蓝色障碍物及外部背景。"}},{"name":"Stone obstacle","description":"An upright blue-gray stone formation on the upper-right red tile, with an initial readout of 80 beneath it.","membership":"Includes the complete stone sprite, its stepped base, and visible seams. Excludes the numerical readout, underlying tile border, and nearby effects.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":1.25,"evidence":"目标为右上方红色格子上的蓝灰色直立石块，可见阶梯状底座和接缝，下方初始读数为80（不计入目标）。首个合格帧为0.00秒，最后为15.75秒，石块始终连续存在，局部战斗特效遮挡不影响身份确认。区间到达视频首尾，两端均无区间外采样帧。选择1.25秒作为关键帧，石块结构完整清晰且无遮挡。","start_frame":0,"end_frame":384,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[758,369,827,499],"positive_points":[[777,390],[799,405],[771,431],[800,442],[766,472],[816,471]],"negative_points":[[791,491],[828,556],[742,389],[709,625]],"evidence":"目标是右上方红色格子内、数字80上方的蓝灰色立石。边界框紧贴完整石头轮廓，覆盖石块、接缝和阶梯状底座；正点分布在这些石质部分。负点位于数字80、下方格子边框、左侧背景及紫色敌人上，均不属于石头。"}},{"name":"Spell deck display","description":"The vertical stack of numbered spell cards along the left side, ending in a pale card-pile holder with a remaining-card counter.","membership":"Includes the stacked card faces and borders, pile holder, and counter within this display. Follows the changing stack extent; excludes the separate A and B spell slots and cards flying away during transitions.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":1.25,"evidence":"目标是画面左侧纵向排列的带数字法术卡牌、浅色牌堆托及剩余牌数计数器，不包括独立的 A/B 槽和飞出的卡牌。首个合格帧为 0.00 秒，最后为 15.75 秒；整个过程中显示持续存在，卡牌数量及堆叠高度变化不改变其身份。区间覆盖视频首尾，两端均无额外相邻帧。选择 1.25 秒作为关键帧，此时牌堆边界与 8/10 计数器清晰，且无飞出卡牌干扰。","start_frame":0,"end_frame":384,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[81.25,69.44,143.75,905.56],"positive_points":[[138,103],[120,300],[121,492],[120,683],[120,780],[116,883]],"negative_points":[[186,861],[245,861],[208,465],[63,597]],"evidence":"目标是画面左侧纵向排列的编号法术牌。边框覆盖最上方淡显卡牌至底部浅色牌堆托座及8/10计数器；正点分布在不同高度的卡面、边框和底部计数器上。负点位于独立的A、B法术槽、右侧战场格及左侧背景，均不属于该牌堆显示。"}},{"name":"A spell slot","description":"The lower-left equipped spell display labeled A, initially showing a dark magenta card with cost 1 and a value of 100. Its contents change as spells are used.","membership":"Includes the A label, slot frame, current card face, and associated value immediately below it as one compact functional display. Excludes the adjacent B slot and outgoing animated cards.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":0.5,"evidence":"目标是左下角标有 A 的装备法术显示，包括 A 标签、槽框、当前卡面及下方数值，不含右侧 B 槽和飞出的卡牌。首个合格帧为 0.00 秒，最后为 15.75 秒；该槽始终存在，使用法术导致的内容变化不改变其身份。区间到达视频首尾，边界外均无采样帧。选择 0.50 秒为关键帧，此时 A 标签、深洋红色费用 1 卡面和数值 100 清楚完整，且与 B 槽容易区分。","start_frame":0,"end_frame":384,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[162.5,783.33,213.28,925],"positive_points":[[187.5,809.72],[166.41,859.72],[179.69,843.06],[186.72,863.89],[199.22,883.33],[187.5,913.89]],"negative_points":[[245.31,862.5],[120.31,777.78],[318.75,861.11],[149.22,941.67]],"evidence":"目标位于左下角，是标有 A、卡面费用为 1、下方数值为 100 的装备法术槽。边界框覆盖 A 标签、槽框、暗洋红色卡面及下方数值。正点分布在这些组成部分上；负点位于相邻 B 槽、左侧牌堆、右侧进度菱形及外部背景，均不包含在目标中。"}},{"name":"B spell slot","description":"The equipped spell display immediately right of A, initially containing a turquoise card with cost 2 and a value of 40.","membership":"Includes the B label, slot frame, current card face, and associated value immediately below it. Excludes the A slot, mana gauge, and detached transition cards.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":1.5,"evidence":"目标是左下角 A 右侧的 B 法术槽，包括 B 标签、槽框、当前卡面及下方数值；初始为青绿色费用 2、数值 40。首个合格帧为 0.00 秒，最后为 15.75 秒，槽位全程持续存在，卡面与数值变化不改变其身份，脱离槽位的过渡卡片不计入目标。区间覆盖视频首尾，两端均无外侧采样帧。选择 1.50 秒作为关键帧，此时目标完整清晰且无遮挡，容易与 A 槽和法力条区分。","start_frame":0,"end_frame":384,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[220.3,783.3,270.3,925],"positive_points":[[243.8,788.9],[245.3,809.7],[224.2,861.1],[255.5,845.8],[246.1,865.3],[244.5,912.5]],"negative_points":[[187.5,862.5],[318.8,862.5],[287.5,784.7],[120.3,780.6]],"evidence":"目标位于画面左下方、A槽右侧，是带B标签的青绿色法术槽。框包含B标签及圆形边框、槽框、费用2的卡面和下方数值40。正点分布于标签、边框、卡面和数值；负点位于A槽、法力槽、外部背景及左侧独立卡牌。"}},{"name":"Mana gauge","description":"The blue diamond and adjoining horizontal segmented bar near the bottom center. The diamond's fraction changes between values such as 0/3 and 3/3.","membership":"Includes the diamond, fraction, gauge boundary, filled portion, empty track, and internal divisions. Excludes nearby spell cards and combat status symbols.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":2.75,"evidence":"目标是底部中央显示法力分数的蓝色菱形及其右侧水平分段条，包含填充、空槽和边界，不含附近卡牌。首帧0.00秒已完整建立，末帧15.75秒仍完整可见；期间分数和填充变化不影响其连续存在。区间覆盖视频起止，两端均无区间外采样帧。选择2.75秒作为关键帧，菱形显示3/3，条形轮廓清楚且无遮挡。","start_frame":0,"end_frame":384,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[287.5,806.9,550,919.4],"positive_points":[[318,825],[303.1,861.1],[318.8,895.8],[372.7,861.1],[445.3,861.1],[531.3,861.1]],"negative_points":[[245.3,861.1],[185.9,861.1],[412.5,915.3],[428.9,811.1]],"evidence":"目标是画面底部中央显示“3/3”的蓝色菱形及其右侧横向分段法力条。边界框紧贴菱形和整条量表，包含数字、边框、填充和内部分隔。正点分布在菱形与量表不同位置；负点位于左侧法术卡牌及量表上下的草地背景。"}},{"name":"Enemy name","description":"The white text Decayer near the upper-right corner identifies the opponent.","membership":"Includes only the text glyphs. Excludes the currency indicator above it and the forest background.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":0,"evidence":"目标为右上角白色“Decayer”文字，仅包含文字字形，不含其上方的货币指示。首个合格帧为0.00秒，最后为15.75秒，期间文字始终完整显示，无淡入淡出或移出画面。区间覆盖视频全长，起点之前及终点之后均无采样帧。选择0.00秒作为关键帧，文字清晰完整且无遮挡。","start_frame":0,"end_frame":384,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[915.6,98.6,976.6,123.6],"positive_points":[[916.4,105.6],[928.9,109.7],[936.7,105.6],[948.4,111.1],[958.6,115.3],[974.2,105.6]],"negative_points":[[964.1,33.3],[906.3,109.7],[945.3,143.1],[985.9,106.9]],"evidence":"目标是右上角白色敌人名称“Decayer”。边界框紧贴完整文字，正点分布在不同字母的笔画上；负点位于上方货币数值及文字周围的森林背景，不包含字母内部空隙。"}},{"name":"Encounter information panel","description":"The dark panel at the bottom right displays 2 - 0 (Hazel) and Seed: 1258968.","membership":"Includes the panel surface, boundary, and both lines of text. Excludes surrounding scenery.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":0,"evidence":"目标是右下角的深色遭遇信息面板，包含“2 - 0 (Hazel)”及“Seed: 1258968”两行文字。首个合格帧为0.00秒，最后为15.75秒；整个采样序列中面板持续完整显示，无淡入淡出或移出画面。区间覆盖视频首尾，两端均无额外相邻帧。选择0.00秒作为关键帧，因为面板边界和文字清晰且无遮挡。","start_frame":0,"end_frame":384,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[890,907,992,984],"positive_points":[[900,917],[917,934],[954,934],[983,951],[945,966],[905,975]],"negative_points":[[870,937],[944,884],[997,947],[948,995]],"evidence":"目标是右下角显示“2 - 0 (Hazel)”及“Seed: 1258968”的深色信息面板。边界框覆盖面板表面、边缘和两行文字；六个正点分布于文字与面板底色，四个负点位于面板外侧的周围场景。"}},{"name":"Battle Start announcement","description":"The large white Battle Start text briefly appears above the combat tiles at the beginning.","membership":"Includes only the announcement's text glyphs. Excludes the horizontal line, dark backing band, and battlefield.","id":"obj_011","temporal":{"status":"found","start_s":0.75,"end_s":1.0,"reference_s":0.75,"evidence":"目标是战斗格上方的大号白色“Battle Start”文字，仅计文字字形。0.75秒文字完整、明亮，是首个及最后一个合格帧；前一帧0.50秒文字仍在淡入，后一帧1.00秒已明显变暗、开始淡出。选择0.75秒作为关键帧，文字清晰且无遮挡。","start_frame":18,"end_frame":24,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[382,327.8,619.5,383.3],"positive_points":[[385.2,344.4],[418.8,375],[436.71875,344.44444],[485.9,377.8],[527.3,333.3],[609.4,361.1]],"negative_points":[[390.6,412.5],[500,302.8],[547.7,470.8],[460.2,580.6]],"evidence":"图像中央、战斗格上方可见白色“Battle Start”公告。框仅覆盖整段文字字形范围；正点分布在不同字母的笔画上，负点位于下方横线、上方暗色背景、战斗格及角色处，均不属于公告文字。"}},{"name":"First purple ground-wave attack","description":"The enemy's first visible attack sends a succession of purple blobs and splashes leftward across a lower combat row as the player moves away.","membership":"Includes the purple material forming this traveling ground-wave animation, including its airborne-to-ground splash phases. Excludes the creature itself, warning exclamation marks, highlighted tiles, and numerical indicators.","id":"obj_012","temporal":{"status":"found","start_s":1.75,"end_s":3.25,"reference_s":2.5,"evidence":"目标是敌人首次攻击中沿下方战斗行向左传播的紫色团块、空中碎团及落地浪花，不含敌人、警告符号或高亮格。1.75秒首次出现完整的空中紫色攻击团，前一帧1.50秒只有敌人及施法标记。最后纳入3.00秒，左侧仍有可辨认的紫色波形；3.25秒已消散为少量残点，属于退出阶段。选择2.50秒作为关键帧，连续的紫色团块和落地浪花清晰，便于区分攻击与敌人。","start_frame":42,"end_frame":78,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[311.7,466.7,661.7,669.4],"positive_points":[[321.9,493.1],[378.9,653.0],[448.4,633.3],[478.1,647.2],[536.7,613.9],[624.2,609.7]],"negative_points":[[707.8,626.4],[207.8,645.8],[335.9,697.2],[707.8,708.3]],"evidence":"目标是向左传播的一组紫色波团与飞溅；框覆盖左上方腾空的紫色碎团、玩家旁的落地飞溅及下方战斗行中的连续波形。正点分布于这些紫色实体上；负点位于右侧敌人、警告叹号、玩家及带数值的独立紫色标记上，均不属于波浪动画。"}},{"name":"Kinetic Wave title","description":"The white Kinetic Wave spell name appears above the player when the turquoise wave is cast.","membership":"Includes only the text glyphs. Excludes the adjacent turquoise spell icon, character, and attack graphic.","id":"obj_013","temporal":{"status":"found","start_s":3.5,"end_s":3.75,"reference_s":3.5,"evidence":"3.50秒时，玩家上方完整显示白色“Kinetic Wave”文字，仅将文字字形作为目标，不包括左侧青绿色图标及波浪攻击。首个和最后一个合格帧均为3.50秒；前一帧3.25秒尚无该文字，后一帧3.75秒文字已明显淡出。因此选择文字完整清晰的3.50秒作为关键帧。","start_frame":84,"end_frame":90,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[286.7,394.4,421.1,426.4],"positive_points":[[289.1,409.7],[309.375,413.88889],[325,411.1],[335.2,416.7],[367.2,400],[415.6,413.9]],"negative_points":[[258.6,412.5],[389.8,531.9],[466.4,611.1],[359.4,461.1]],"evidence":"目标是玩家上方白色的“Kinetic Wave”标题，边框紧贴整段文字。六个正点分布在不同字母的笔画上；负点位于左侧青绿色图标、下方角色、右下攻击波及下方技能图标，均不属于标题。"}},{"name":"Player defensive barrier","description":"A translucent cyan-blue upright shield appears immediately in front of the player during Kinetic Wave and subsequently follows her movement.","membership":"Includes the barrier's complete translucent surface and irregular outer edge throughout changes in size and animation. Excludes the player sprite, shield-status icons, and numerical shield values.","id":"obj_014","temporal":{"status":"found","start_s":3.5,"end_s":16.0,"reference_s":5.25,"evidence":"目标是玩家身前竖立的半透明青蓝色屏障，具有不规则外缘，并随玩家移动；不包括护盾图标和数值。3.25秒尚无屏障，3.5秒施放Kinetic Wave时其完整表面和边缘已出现，此后持续可见至最后采样帧15.75秒。区间延伸至视频结束16.0秒，之后没有采样帧。选择5.25秒作为关键帧，屏障轮廓清楚，且没有攻击特效遮挡。","start_frame":84,"end_frame":384,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[391.4,479.2,418.8,650],"positive_points":[[407.8,508.3],[414.1,545.8],[405.5,563.9],[396.1,581.9],[410.9,600],[406.3,625]],"negative_points":[[375,568.1],[362.5,708.3],[431.3,558.3],[361,676.4]],"evidence":"玩家右侧紧邻身体的半透明青蓝色竖立轮廓为防御屏障。框覆盖其完整可见表面及不规则外缘；正点分布于屏障上、中、下部，负点位于玩家、下方护盾图标与数值以及右侧背景，排除这些非目标内容。"}},{"name":"Kinetic Wave projectile","description":"A broad mint-green curling wave travels from the player across the board toward the purple enemy.","membership":"Includes the complete moving wave graphic through its curl and impact deformation. Excludes highlighted tiles, damage numbers, and the player's stationary blue barrier.","id":"obj_015","temporal":{"status":"found","start_s":3.5,"end_s":4.5,"reference_s":3.75,"evidence":"目标是从玩家向紫色敌人移动的宽大薄荷绿色卷曲波浪，不包括蓝色屏障、地砖或伤害数字。首个完整可见帧为3.50秒，4.25秒仍可见撞击时变形的绿色波浪；此前3.25秒尚无波浪，此后4.50秒波浪已消失。选择3.75秒作为关键帧，此时卷曲轮廓清晰，与玩家屏障和敌人分离、遮挡最少。","start_frame":84,"end_frame":108,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[502.3,577.8,599.2,670.8],"positive_points":[[510.9,651.4],[524.2,626.4],[540.6,602.8],[559.4,595.8],[582.8,602.8],[571.9,625]],"negative_points":[[405.5,647.2],[531.3,709.7],[711.7,626.4],[557.8,541.7]],"evidence":"目标是玩家与紫色敌人之间的薄荷绿色卷曲波浪。边界框紧贴完整波浪的左侧波尾、上缘及右侧卷头；六个正点分布于这些绿色实体部分。负点位于玩家的蓝色屏障、波浪下方棋格、紫色敌人和上方背景，均不属于移动波浪。"}},{"name":"Step Slash title","description":"The white Step Slash text appears over the enemy side when the player advances beside the creature.","membership":"Includes only the text glyphs. Excludes the magenta crescent icon and the combat animation below.","id":"obj_016","temporal":{"status":"found","start_s":6.75,"end_s":7.0,"reference_s":6.75,"evidence":"6.75秒时，敌方区域上方完整显示白色“Step Slash”文字，仅将文字字形作为目标，不包括左侧洋红色月牙图标和下方战斗动画。首末合格帧均为6.75秒；前一帧6.50秒尚无该标题，后一帧7.00秒文字已明显变暗并开始淡出。选择6.75秒为关键帧，因为文字完整清晰、易于区分。","start_frame":162,"end_frame":168,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[632.8,486.1,740.6,525],"positive_points":[[635.9,491.7],[648.4375,495.83333],[660.2,502.8],[673.4,497.2],[688.3,513.9],[730.46875,497.22222]],"negative_points":[[608.6,502.8],[778.1,645.8],[674.2,459.7],[691.4,558.3]],"evidence":"目标是敌方区域上方的白色“Step Slash”标题。边界框紧贴完整文字，包括字母p的下伸部分；六个正点分布在两个单词的字形笔画上。负点位于左侧洋红月牙、上方背景、下方技能图标及战斗动画，均不属于标题文字。"}},{"name":"Step Slash attack arc","description":"A large red crescent-shaped slash sweeps around the purple enemy while the player stands beside it.","membership":"Includes the red sweeping arc and its directly connected trailing strokes. Preserves the open crescent shape rather than including its empty interior. Excludes the character sprites, damage values, and other hit flashes.","id":"obj_017","temporal":{"status":"found","start_s":6.75,"end_s":7.0,"reference_s":6.75,"evidence":"6.75秒可见玩家站在紫色敌人旁，敌人右侧及下方出现完整的红色开放月牙形斩击弧及相连拖尾，对应Step Slash攻击。首个和最后一个合格采样帧均为6.75秒；前一帧6.50秒尚无红色斩击弧，后一帧7.00秒弧线已消失，只剩角色、伤害数字和攻击提示。因此选择6.75秒作为关键帧，弧线轮廓清晰且易于区分。","start_frame":162,"end_frame":168,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[794,615,893,806],"positive_points":[[808,632],[844,635],[879,660],[888,719],[864,769],[826,796]],"negative_points":[[836,582],[912,713],[848,856],[713,674]],"evidence":"目标是紫色敌人右侧环绕的红色新月形斩击。框覆盖上方宽弧、右侧弯曲弧线及相连拖尾，不包含角色、伤害数字和其他命中特效。六个正点分布在红色弧线各段，负点位于弧外背景及左侧角色上；未在新月内部空区放置负点。"}},{"name":"Second purple ground-wave attack","description":"After Step Slash, a new purple wave travels leftward along the bottom row while the player retreats to the blue side.","membership":"Includes the purple blobs, connected wave portions, and splashes belonging to this renewed ground-wave animation. Excludes the enemy sprite, attack-warning boxes, tile highlights, and status readouts.","id":"obj_018","temporal":{"status":"found","start_s":7.25,"end_s":8.5,"reference_s":7.75,"evidence":"目标是 Step Slash 后沿底行向左传播的第二轮紫色地波，包括飞溅、紫色团块和波弧，不含敌人及预警框。7.25 秒首次出现完整飞溅，7.0 秒仅见敌人动作和预警框；最后纳入 8.25 秒，8.5 秒只剩正在淡出的左侧残余波弧，8.75 秒已消失。选择 7.75 秒作为关键帧，地波各部分清楚，且与敌人和玩家容易区分。","start_frame":174,"end_frame":204,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[425,683,745.3,761.1],"positive_points":[[443.8,735],[469.5,751.4],[541.4,734.7],[601.6,727.8],[649.2,727.8],[709.4,702.8]],"negative_points":[[791.4,720.8],[291.4,739.6],[455.5,651.4],[791.4,800]],"evidence":"目标是底排向左延伸的紫色地面波，包括��端浅紫飞溅、中间团块及右侧弧状波段；框覆盖这些动画部分，不含最右侧敌人。六个正点分布在各段波形上，负点位于敌人、攻击警告框、上方空格及下方状态图标。"}},{"name":"Thunder title","description":"The white Thunder spell name appears above the player before the lightning strike.","membership":"Includes only the text glyphs. Excludes the adjacent yellow lightning icon, character, and board.","id":"obj_019","temporal":{"status":"found","start_s":9.0,"end_s":9.25,"reference_s":9.0,"evidence":"目标是玩家上方完整显示的白色“Thunder”文字，仅包含字形，不含左侧黄色闪电图标。首个及最后一个合格采样帧均为9.00秒；前一帧8.75秒尚无该文字，后一帧9.25秒文字已变暗并开始淡出。选择9.00秒作为关键帧，因为文字清晰完整且无遮挡。","start_frame":216,"end_frame":222,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[393.75,484.72,482.03,519.44],"positive_points":[[400,490.28],[409.375,502.77778],[426.56,512.5],[442.96875,502.77778],[460.16,502.78],[469.53,505.56]],"negative_points":[[365.63,501.39],[473.44,634.72],[534.38,554.17],[437.5,444.44]],"evidence":"目标是玩家上方的白色“Thunder”标题。框紧贴完整单词的字形范围；六个正点分布在不同字母笔画上，负点位于左侧黄色闪电图标、下方角色以及外围棋盘背景，均不包含在目标内。"}},{"name":"Thunder lightning bolt","description":"A tall white bolt with cyan edges descends from the top of the image onto the enemy near the lower-right corner of the board.","membership":"Includes the visible lightning body and its branches down to the impact point. Excludes damage numbers, the enemy sprite, and detached incidental impact sparks.","id":"obj_020","temporal":{"status":"found","start_s":9.25,"end_s":9.5,"reference_s":9.25,"evidence":"目标是从画面顶部延伸至棋盘右下方敌人的白色、青色描边闪电，包含连续电体及分枝，不含伤害数字和零散火花。首个及最后一个符合条件的采样帧均为9.25秒，此时闪电结构完整；顶部截断属于其从天而降的设计。前一帧9.0秒仅显示Thunder施法提示，尚无闪电；后一帧9.5秒闪电已消失，仅余伤害数字。因此选择9.25秒作为关键帧。","start_frame":222,"end_frame":228,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[669.5,0,801.6,744.4],"positive_points":[[693,59],[706,224],[720,398],[758,388],[782,573],[781,698]],"negative_points":[[789,442],[739,525],[803,732],[854,564]],"evidence":"目标是从画面顶部贯穿至棋盘右下敌人处的白色、青色边缘闪电。边界框覆盖可见主干、相连分支及末端落点；正点分布在主干、侧枝和下端，负点位于旁侧石块、伤害数字、敌人及外部背景，排除这些对象与零散火花。"}},{"name":"Revenge title","description":"The white Revenge spell name appears above the player during a subsequent cast.","membership":"Includes only the text glyphs. Excludes the adjacent dark magenta icon, character, and blue barrier.","id":"obj_021","temporal":{"status":"found","start_s":10.25,"end_s":10.5,"reference_s":10.25,"evidence":"目标是玩家上方完整显示的白色“Revenge”文字，不包括左侧暗紫红图标及蓝色屏障。首个及最后一个符合条件的采样帧均为10.25秒；前一帧10.00秒尚无该文字，后一帧10.50秒文字已变暗并开始淡出。选择10.25秒作为关键帧，因为文字完整清晰且无遮挡。","start_frame":246,"end_frame":252,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[392.97,487.5,483.59,525],"positive_points":[[395.31,501.39],[411.72,504.17],[423.44,508.33],[446.09,502.78],[461.72,522.22],[477.34,505.56]],"negative_points":[[369.53,500],[475,620.83],[492.19,661.11],[511.72,500]],"evidence":"目标是玩家上方的白色“Revenge”标题。边界框紧贴完整文字，包括字母g的下伸部分；六个正点分布在不同字母笔画上，负点位于左侧暗洋红图标、下方角色、蓝色屏障及右侧外部背景，均不属于标题。"}},{"name":"Minnie Gun title","description":"The white Minnie Gun text appears above the left side of the board as the player begins sustained firing.","membership":"Includes only the text glyphs. Excludes the adjacent ammunition-like icon and the firing animation.","id":"obj_022","temporal":{"status":"found","start_s":11.75,"end_s":12.0,"reference_s":11.75,"evidence":"目标是棋盘左上方完整显示的白色“Minnie Gun”文字，仅计文字，不含旁边的弹药图标。首个及最后一个符合条件的采样帧均为11.75秒；11.50秒尚未出现，12.00秒文字已变暗并开始淡出。选择11.75秒为关键帧，因为文字完整、清晰且无遮挡。","start_frame":282,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[212.5,393.1,329.7,425],"positive_points":[[214.1,408.3],[240.625,405.55556],[272.7,416.7],[290.6,408.3],[307,415.3],[325.8,406.9]],"negative_points":[[188.3,408.3],[352.3,512.5],[270.3,370.8],[273.4,462.5]],"evidence":"目标是棋盘左侧上方的白色“Minnie Gun”标题。边界框紧贴完整文字，正点分布在不同字母的笔画上；负点位于左侧弹药图标、右下方射击动画、上方背景及下方卡牌图标，均不包含在目标中。"}},{"name":"Minnie Gun firing animation","description":"The player fires a sustained horizontal stream of short white-and-yellow shots toward the enemy, with a bright circular muzzle effect in front of her.","membership":"Includes the muzzle effect and the emitted shot marks belonging to this firing sequence. Excludes the character sprite, damage-number columns, enemy barrier, and purple counterattack.","id":"obj_023","temporal":{"status":"found","start_s":11.75,"end_s":13.5,"reference_s":12.0,"evidence":"目标是角色前方明亮的圆形／月牙形枪口效果及向右连续发射的白黄色短弹道，不包含伤害数字、敌方护盾或紫色反击。首个符合帧为11.75秒，枪口效果和弹道均已完整出现；前一帧11.5秒尚未开火。最后符合帧为13.25秒，仍可见枪口效果和飞行弹道；后一帧13.5秒这些效果已消失。选择12.0秒作为关键帧，枪口轮廓清楚，多枚弹道易于辨认。","start_frame":282,"end_frame":324,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[342.2,500,851.6,616.7],"positive_points":[[350.8,509.7],[371.1,547.2],[493.8,534.7],[517.2,536.1],[735.2,611.1],[842.2,611.1]],"negative_points":[[305.5,555.6],[750,447.2],[793,431.9],[783.6,554.2]],"evidence":"根据角色前方的明亮白色圆环及朝敌人延伸的白黄色短横弹痕识别。框覆盖圆形枪口效果和画面中可见的三段弹痕；六个正点分布在圆环及各段弹痕上，负点位于角色、伤害数字列、敌方屏障和紫色反击效果上。"}},{"name":"Enemy defensive barrier","description":"A cyan-blue shield appears in front of the purple enemy during the sustained gunfire and remains beside it afterward.","membership":"Includes the translucent barrier surface and its changing, swept outer edge. Excludes the enemy sprite, incoming shots, shield icon, and bracketed shield value.","id":"obj_024","temporal":{"status":"found","start_s":12.0,"end_s":16.0,"reference_s":14.5,"evidence":"目标是紫色敌人左前方的半透明青蓝色屏障，包含随动画变化的外缘，不含敌人、子弹及护盾数值。12.0秒首次显示完整屏障，前一帧11.75秒尚无敌方屏障；此后连续存在，最后合格帧为15.75秒，视频末尾之外没有采样帧。选择14.5秒作为关键帧，此时枪火已停止，屏障轮廓清晰、遮挡较少。","start_frame":288,"end_frame":384,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[747,481,773,649],"positive_points":[[757,501],[756,536],[763,557],[752,586],[758,611],[755,634]],"negative_points":[[790,621],[804,708],[800,676],[728,548]],"evidence":"目标是右侧紫色敌人左前方的青蓝色半透明屏障。边界框覆盖屏障表面及弯曲外缘；六个正点分布于屏障上、中、下部，负点位于紫色敌人、盾牌图标、括号护盾数值及左侧外部背景，均不属于屏障。"}},{"name":"Third purple ground-wave attack","description":"During the sustained gunfire, the enemy sends another purple ground-wave sequence leftward across the row occupied by the player before she dodges downward.","membership":"Includes the purple traveling wave material and its splash phases in this attack. Excludes the enemy sprite, warning exclamation boxes, highlighted tiles, and the simultaneous gunfire.","id":"obj_025","temporal":{"status":"found","start_s":12.5,"end_s":14.0,"reference_s":13.0,"evidence":"目标是持续枪击期间第三次向左传播的紫色地面波及飞溅，不含敌人、警告框、亮色地砖和子弹。12.50秒首次清楚显示该次攻击的紫色飞溅，随后波体沿玩家原所在行向左推进；13.75秒仍可见最左侧的紫色尾波。前一帧12.25秒只有攻击预警，尚无清楚独立的紫色波体；后一帧14.00秒波体已消失。选择13.00秒，紫色波体和多个落地飞溅阶段清晰，便于与同时出现的枪火区分。","start_frame":300,"end_frame":336,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[378,593,747,674],"positive_points":[[390,623],[456,651],[533,642],[608,624],[648,633],[704,618]],"negative_points":[[375,642],[577,531],[804,555],[465,727]],"evidence":"目标是玩家所在行中向左传播的紫色地面波。框覆盖该行的紫色波团、弧状拖尾和中央浅紫色溅起部分；正点分布在这些波体上，负点位于警告感叹号、同时发射的子弹、敌人及下方空地，排除这些非目标内容。"}},{"name":"Shield Catch title","description":"The white Shield Catch text appears above the blue grid near the end of the sequence.","membership":"Includes only the text glyphs. Excludes the adjacent shield-shaped spell icon, highlighted catch tile, and airborne object.","id":"obj_026","temporal":{"status":"found","start_s":15.25,"end_s":15.5,"reference_s":15.25,"evidence":"目标为蓝色网格上方完整显示的白色“Shield Catch”文字，仅计文字字形。首个及最后一个合格帧均为15.25秒；此前15.00秒尚无该标题，之后15.50秒文字已变暗并开始淡出。选择15.25秒作为关键帧，因为文字完整清晰，且可与左侧盾形图标及周围特效区分。","start_frame":366,"end_frame":372,"reference_frame":366},"grounding":{"status":"found","bbox_xyxy":[289.84,484.72,417.97,518.06],"positive_points":[[295.31,488.89],[306.25,502.78],[325,501.39],[350,501.39],[363.28,501.39],[414.0625,497.22222]],"negative_points":[[263.28,501.39],[291.41,458.33],[428.13,461.11],[459.38,545.83]],"evidence":"目标是蓝色网格上方的白色“Shield Catch”标题，边框紧贴整段文字的可见字形。六个正点分布于两个单词的字形笔画上；负点位于左侧盾形图标、上方发光圆形、空中物体及右侧网格背景，均不属于标题。"}},{"name":"Shield Catch airborne object","description":"A small bright blue-and-white object with a curved blue trail travels above the left half of the board after Shield Catch is cast.","membership":"Includes the airborne object's visible body and attached motion trail. Excludes the spell title, green target outline, white catch marker on the tile, and player barrier.","id":"obj_027","temporal":{"status":"found","start_s":15.25,"end_s":16.0,"reference_s":15.75,"evidence":"目标是施放 Shield Catch 后在棋盘左半部上方飞行的蓝白色小物体及其弯曲蓝色尾迹，不包括标题、接取标记或角色护盾。首个合格帧为15.25秒，末个为15.75秒；此前15.00秒尚无该飞行物。15.75秒物体轮廓与尾迹清晰，且与其他效果分离，故选为关键帧。目标持续至视频末尾，边界之后没有采样帧。","start_frame":366,"end_frame":384,"reference_frame":378},"grounding":{"status":"found","bbox_xyxy":[321.1,194.4,357.8,254.2],"positive_points":[[347.7,208.3],[351.6,215.3],[338.3,209.7],[325,215.3],[324.2,230.6],[329.7,245.8]],"negative_points":[[304.7,209.7],[367.2,212.5],[343,268.1],[323.4,550]],"evidence":"目标是棋盘左半部上方的蓝白色飞行小物体，带向左下弯曲的蓝色拖尾。框覆盖物体本体及相连拖尾；正点分布于本体和拖尾各段，负点位于周围森林背景及下方玩家屏障，排除其他标记。"}}]}
+{"video_id":111,"video_type":"2D games","targets":[{"name":"Player character","description":"Small pixel-art figure with green hair, a pale face, red clothing, and dark shoes. Initially beside the lower green chest, the character carries objects and jumps between platforms and rooms.","membership":"Include the character's visible hair, face, clothing, limbs, and shoes. Exclude carried objects, nearby chests, and surrounding particle effects.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0,"evidence":"目标为下方绿色箱子旁的绿发、白脸、红衣像素人物，不包括其搬运的灰色方块。首个合格帧为0.00秒，最后为1.00秒；期间人物跳跃并被所持方块部分遮挡，身份连续可辨。紧邻的1.25秒帧中人物已消失，场景开始转场。视频起点前无采样帧。选择0.00秒作为关键帧，人物头发、面部和衣着清晰，携带物遮挡最少。","start_frame":0,"end_frame":30,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[312.5,631.9,346.1,736.1],"positive_points":[[316.4,662.5],[328.9,637.5],[333.6,668.1],[327.3,695.8],[328.9,715.3],[333.6,729.2]],"negative_points":[[276.6,763.9],[316.4,761.1],[281.3,712.5],[364.1,683.3]],"evidence":"目标是画面左下偏中的绿发、浅色脸、红衣像素人物。框覆盖其可见头发、脸、衣服、四肢和鞋；正点分布在头发、面部、红衣及脚部，负点位于附近绿箱、灰色方块、红色粒子和紫色墙体上，排除这些非人物内容。"}},{"name":"Movable gray cube","description":"Plain lavender-gray cube initially beside the character and lower chest. It is carried through the blue and orange rooms, left beside the orange room's central divider, and later moved back through the rooms.","membership":"Include all visible faces and shaded edges of the cube. Exclude the character carrying it and any supporting platform.","id":"obj_002","temporal":{"status":"found","start_s":0.0,"end_s":1.25,"reference_s":0.75,"evidence":"目标是起初位于角色与下方绿色箱子旁、随后被角色抱起的素面淡紫灰色立方体，包括其阴影边缘。首个合格帧为0.00秒，最后为1.00秒；1.25秒转场时立方体已消失，故结束于1.25秒。区间始于视频开头，没有更早采样帧。选择0.75秒作为关键帧，因为立方体完整、轮廓清晰，且与箱子和平台分离。","start_frame":0,"end_frame":30,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[260.2,563.9,300,636.1],"positive_points":[[271.9,584.7],[284.4,598.6],[267.2,618.1],[279.7,570.8],[295.3,601.4],[285.2,629.2]],"negative_points":[[299.2,556.9],[276.6,766.7],[428.1,563.9],[236.7,603.3]],"evidence":"目标是画面左下偏中、绿色角色身前的素色灰紫立方体。边界框覆盖其正面、可见侧面和明暗边缘；六个正点分布在这些表面上，负点位于角色、上下两个箱子及左侧背景，排除这些非目标区域。"}},{"name":"Lower green chest, initial presentation","description":"Dark green chest on the lowest walkway of the initial charcoal-colored room, left of the raised central platform. Red looping particles hover above it, and the character enters it while carrying the cube.","membership":"Include the chest body, lid, shaded edges, and feet. Exclude the red particles, character, cube, and walkway.","id":"obj_003","temporal":{"status":"found","start_s":0.0,"end_s":1.5,"reference_s":0.75,"evidence":"目标是初始炭灰色房间最低走道上、中央高台左侧的深绿色箱子，包含箱体、箱盖、阴影边缘和脚，不含上方红色粒子。首个合格帧为0.00秒，视频起点之前无采样帧；最后合格帧为1.25秒，箱子虽随场景缩放但仍完整可见。紧邻的1.50秒帧中，转场黑色遮罩已覆盖箱子，故区间止于1.50秒。选择0.75秒作为关键帧，箱子轮廓清楚，角色及方块位于其上方，未遮挡箱体。","start_frame":0,"end_frame":36,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[250.8,734.7,307,804.2],"positive_points":[[270.3,744.4],[291.4,748.6],[258.6,769.4],[278.1,775],[300,773.6],[255.5,795.8]],"negative_points":[[278.1,709.7],[277.3,597.2],[281.3,833.3],[232.8,763.9]],"evidence":"目标是中央抬高平台左侧、最低走道上的深绿色箱子，上方有红色环状粒子。边界框紧贴箱盖、箱体、阴影边缘及底脚；六个正点分布在这些部位。负点分别位于上方红色粒子、角色携带的方块、下方走道及左侧背景，均不属于箱子。"}},{"name":"Upper green chest, initial presentation","description":"Dark green chest on the raised central platform of the initial charcoal-colored room, below and left of the gold door.","membership":"Include the chest body, lid, shaded edges, and feet. Exclude hovering red particles and the surrounding platform.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0,"evidence":"目标是初始深灰房间中、金色门左下方中央高台上的深绿色箱子，包含箱体、箱盖、阴影边缘和脚，不含红色悬浮粒子。首个合格帧为0.00秒，最后一个为1.25秒，期间箱子结构完整可见；1.50秒时转场黑色遮罩已将其遮去。区间从视频起点开始，无更早采样帧。选择0.00秒作为关键帧，箱子清晰无遮挡，且容易与左下方的箱子区分。","start_frame":0,"end_frame":36,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[404.7,533.3,460.2,601.4],"positive_points":[[420.3,555.6],[446.1,555.6],[412.5,572.2],[448.4,581.9],[418.0,591.7],[433.6,540.3]],"negative_points":[[431.3,516.7],[470.3,633.3],[275.8,766.7],[389.8,551.4]],"evidence":"目标是金门左下方、中央较高平台上的深绿色箱子。框覆盖箱盖、箱身、阴影边缘及底脚，不含上方红色粒子和平台。正点分布在箱盖、箱身及底部；负点位于红色粒子、周围平台、左下方另一只箱子和外部背景。"}},{"name":"Gold locked door, initial presentation","description":"Tall yellow-gold door with a black keyhole, positioned above the stepped platforms in the initial charcoal-colored room.","membership":"Include the gold door slab, its shaded side, and the black keyhole. Exclude the lavender structural frame and nearby purple crystal.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0,"evidence":"目标是初始深灰房间阶梯平台上方带黑色钥匙孔的金黄色门板，包含其阴影侧面，不含紫色框架和水晶。首个合格帧为0秒，最后为1.25秒，门板均完整可见；1.5秒时门已被黑色转场遮罩移除。区间始于视频开头，无更早帧。选择0秒为关键帧，门板轮廓清晰且无遮挡。","start_frame":0,"end_frame":36,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[590.6,198.6,629.7,400],"positive_points":[[597.7,219.4],[616.4,244.4],[609.4,290.3],[600,352.8],[622.7,380.6],[626.6,309.7]],"negative_points":[[608.6,166.7],[608.6,431.9],[702.3,165.3],[562.5,298.6]],"evidence":"目标是阶梯平台上方带黑色钥匙孔的竖直金黄色门。边界框紧贴金色门板及右侧阴影，不含淡紫色结构框。正点分布在门板、钥匙孔和阴影侧面；负点位于上下结构框、右侧紫色晶体及左侧深色背景。"}},{"name":"Purple crystal, initial presentation","description":"Small purple faceted crystal floating to the upper right of the locked door in the initial room.","membership":"Include the solid purple crystal silhouette and its internal shading. Exclude the radiating purple glow and rays.","id":"obj_006","temporal":{"status":"found","start_s":0.0,"end_s":1.5,"reference_s":0.0,"evidence":"目标是初始房间中金色锁门右上方的紫色多面晶体，仅包括实体轮廓和内部阴影，不包括放射光芒。首个合格帧为0.00秒，最后为1.25秒；1.50秒时晶体已被场景退出的黑色遮罩移除。视频起点之前没有采样帧。选择0.00秒作为关键帧，晶体完整清楚且无遮挡。","start_frame":0,"end_frame":36,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[690.6,136.1,715.6,197.2],"positive_points":[[701.6,145.8],[695.3,158.3],[702.3,163.9],[709.4,169.4],[698.4,181.9],[703.1,188.9]],"negative_points":[[674.2,138.9],[732.8,165.3],[710.9,226.4],[609.4,280.6]],"evidence":"目标是黄色锁门右上方悬浮的紫色多面晶体。框仅覆盖晶体实体轮廓及内部明暗，不包含外围光晕和放射光线。六个正点分布于晶体的上部、两侧和下部；负点位于外围紫色光线及左下方锁门上。"}},{"name":"Speedrun timing panel","description":"Black vertical panel along the right edge, headed \"Recursed\", with named splits, colored time differences, a blue-highlighted \"Triplet\" row, a large green running timer, and \"Previous Segment\" at the bottom.","membership":"Include the full panel surface, its boundary, all split names and values, row separators, selection highlight, running timer, and footer. Exclude the game area to its left.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":0,"evidence":"目标是右侧标题为“Recursed”的黑色竖向计时面板，包含分段名称和彩色差值、蓝色“Triplet”高亮行、绿色计时器及“Previous Segment”页脚。首个合格帧为0.00秒，最后为15.75秒；整个采样序列中面板结构完整持续可见，游戏区域的转场不影响它。区间覆盖视频首尾，边界外没有采样帧。选择0.00秒作为关键帧，面板清晰完整、无遮挡，且与左侧游戏区域容易区分。","start_frame":0,"end_frame":384,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[821.1,0,1000,1000],"positive_points":[[910,21],[860,232],[941,428],[873,717],[940,902],[886,979]],"negative_points":[[778,212],[703,537],[447,731],[629,900]],"evidence":"右侧以“Recursed”为标题的黑色竖栏即目标，可见分段时间、蓝色“Triplet”高亮行、绿色计时器及底部“Previous Segment”。边界框覆盖面板从顶部到底部及图像右边缘的完整可见区域。正点分布于标题、分段列表、高亮行、计时器和页脚；负点均位于左侧游戏区域。"}},{"name":"Blue-room chest, first visit","description":"Dark green chest near the bottom center-right of the blue patterned room, between two large nine-hole panels. The character arrives above it carrying the gray cube.","membership":"Include the chest body, lid, shaded edges, and feet. Exclude red particles, the character, cube, floor, and flanking panels.","id":"obj_008","temporal":{"status":"found","start_s":1.75,"end_s":3.5,"reference_s":2.5,"evidence":"目标是首次进入蓝色花纹房间时，位于两块九孔面板之间、角色及灰色方块下方的深绿色箱子，不含红色粒子。1.75秒箱体、盖沿和脚已完整显现，3.25秒仍完整可见；此前1.50秒处于黑色转场，之后3.50秒已转向橙色房间，首次出现结束。选择2.50秒作为关键帧，箱子轮廓清楚，角色和方块悬在上方，遮挡很少。","start_frame":42,"end_frame":84,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[466.4,798.6,521.9,869.4],"positive_points":[[477.3,811.1],[506.3,812.5],[472.7,837.5],[490.6,831.9],[514.1,843.1],[500,859.7]],"negative_points":[[507.8,700],[496.9,777.8],[493.8,900],[647.7,734.7]],"evidence":"目标是蓝色房间底部、两块九孔面板之间的深绿色箱子。边界框紧贴箱盖、箱身、阴影边缘及箱脚；六个正点分布在这些可见部位。负点分别位于上方灰色方块、红色粒子、下方地板和右侧面板，排除角色及周围物体。"}},{"name":"Orange-room chest, first visit","description":"Dark green chest on the left side of the orange room's central lavender divider. The character arrives carrying the cube and leaves the cube beside this chest.","membership":"Include the chest body, lid, shaded edges, and feet. Exclude red particles, the character, adjacent cube, and room structure.","id":"obj_009","temporal":{"status":"found","start_s":3.75,"end_s":5.5,"reference_s":4.5,"evidence":"目标是首次进入橙色房间时，中央淡紫色隔墙左侧的深绿色箱子；角色携方块到达，随后将方块放在箱子右侧。首个合格帧为3.75秒，3.5秒时箱子仍处于黑色遮罩的渐进揭示中。最后合格帧为5.25秒，箱体虽随转场缩窄但仍完整可见；5.5秒已切换至灰色房间。选择4.5秒作为关键帧，箱体、盖沿及底脚清晰，角色已跳起，便于排除红色粒子和旁边方块。","start_frame":90,"end_frame":132,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[282.03,600,339.06,668.06],"positive_points":[[291.4,611.1],[323.4,612.5],[289.8,636.1],[309.4,640.3],[329.7,651.4],[296.9,661.1]],"negative_points":[[311.7,577.8],[360.2,631.9],[419.5,594.4],[311.7,402.8]],"evidence":"目标是中央淡紫色隔墙左侧、灰色方块旁的深绿色宝箱。边界框紧贴箱盖、箱身、阴影边缘及底脚；正点分布在这些可见部位，负点分别位于上方红色粒子、相邻方块、隔墙和角色上。"}},{"name":"Gold key, first orange-room visit","description":"Bright gold key with a circular bow and toothed shaft, rotating above the floor on the right side of the orange room's central divider.","membership":"Include the complete key silhouette and its shaded surfaces, preserving the opening through its circular bow. Exclude the floor and surrounding room.","id":"obj_010","temporal":{"status":"found","start_s":3.75,"end_s":5.25,"reference_s":3.75,"evidence":"目标是首次进入橙色房间时，中央隔墙右侧地板上方旋转的金色钥匙，具有圆环形匙柄和带齿匙身。首个完整可见帧为3.75秒，最后合格帧为5.00秒；此前3.50秒仍处于黑色转场，钥匙不可见，之后5.25秒钥匙所在区域被退出遮罩覆盖。选择3.75秒为关键帧，此时钥匙轮廓、圆孔及齿部清晰且无遮挡。","start_frame":90,"end_frame":126,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[581.25,611.11,635.94,668.06],"positive_points":[[585.94,637.5],[593.75,620.83],[596.88,658.33],[609.38,638.89],[618.75,655.56],[630.47,654.17]],"negative_points":[[607.81,700],[651.56,629.17],[433.59,623.61],[597.66,573.61]],"evidence":"目标是橙色房间中央隔墙右侧、地板上方的金色钥匙。边界框紧贴完整圆环钥匙头及带齿钥匙杆；六个正点分布在金色圆环、杆和齿上，避开环孔。负点位于下方地板、周围墙面及中央隔墙上。"}},{"name":"Lower green chest, return to charcoal room","description":"The floor-level green chest reappearing when the character returns empty-handed from the orange room. It remains left of the raised central platform.","membership":"Include the chest body, lid, shaded edges, and feet. Exclude red particles, the character, and walkway.","id":"obj_011","temporal":{"status":"found","start_s":5.5,"end_s":8.0,"reference_s":6.75,"evidence":"目标是角色空手返回炭灰色房间后，中央高台左侧地面上的绿色箱子，仅包含箱体、盖子、阴影边缘和脚。5.50秒箱子自身已完整显露，最后一个符合条件的采样帧为7.75秒；此前5.25秒仍是橙色房间的退出画面，之后8.00秒游戏区域已全黑。选择6.75秒作为关键帧，此时角色已移到高台上，底层箱子轮廓清晰且无遮挡。","start_frame":132,"end_frame":192,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[250.8,733.3,307,804.2],"positive_points":[[265.6,747.2],[289.8,750],[257,770.8],[278.1,770.8],[300,776.4],[262.5,795.8]],"negative_points":[[278.9,706.9],[361.7,544.4],[282.8,831.9],[429.7,563.9]],"evidence":"目标是中央高台左侧、地面上的绿色箱子。边界框覆盖箱盖、箱身、阴影边缘和底脚，不包含上方红色粒子。正点分布于箱盖、箱身两侧及底脚；负点位于红色粒子、角色、下方走道和右上方另一只箱子。"}},{"name":"Upper green chest, return to charcoal room","description":"Green chest on the central raised platform when the character returns empty-handed. The character jumps up to this chest and enters it.","membership":"Include the chest body, lid, shaded edges, and feet. Exclude red particles, the character, and platform.","id":"obj_012","temporal":{"status":"found","start_s":5.75,"end_s":8.0,"reference_s":6.75,"evidence":"目标是角色空手返回炭灰色房间后，中央抬高平台上的绿色箱子；角色随后跳到它上方并进入。首个合格帧为5.75秒，最后为7.75秒，后者虽处于场景切换中，箱体、盖子和脚仍完整可见。此前5.50秒该箱尚被转场遮罩遮住，之后8.00秒游戏区域已全黑。选择6.75秒作关键帧，箱子清晰完整，角色位于左侧，便于排除角色、红色粒子和平台。","start_frame":138,"end_frame":192,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[404.7,537.5,459.4,598.6],"positive_points":[[422.7,546.5],[413.3,567.0],[443.8,561.1],[429.7,580.6],[412.5,591.7],[446.9,590.3]],"negative_points":[[361.7,562.5],[432.8,501.4],[432.0,625.0],[276.6,766.7]],"evidence":"目标是画面中央高台上、角色右侧的绿色箱子。边界框覆盖箱盖、箱身、阴影边缘和箱脚，不含上方红色粒子。六个正点分布在箱盖、箱身和箱脚；负点位于角色、红色粒子、下方平台及左下方另一个箱子上。"}},{"name":"Gold locked door, return to charcoal room","description":"Gold keyhole door above the stepped platforms during the character's empty-handed return to the charcoal room.","membership":"Include the gold slab, shaded side, and black keyhole. Exclude the surrounding lavender frame and purple crystal.","id":"obj_013","temporal":{"status":"found","start_s":5.75,"end_s":8.0,"reference_s":6.5,"evidence":"目标是角色空手返回炭灰色房间时，阶梯平台上方带黑色钥匙孔的金色门板，包括其阴影侧面，不含紫色外框和水晶。首个完整呈现帧为5.75秒，最后合格帧为7.75秒；5.50秒门的位置仍被转场遮罩遮住，8.00秒游戏区域已全黑。选择6.50秒作为关键帧，门板完整清晰且无遮挡。","start_frame":138,"end_frame":192,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[590.6,198.6,629.7,400],"positive_points":[[597.7,216.7],[616.4,236.1],[610.2,287.5],[597.7,336.1],[615.6,384.7],[626.6,322.2]],"negative_points":[[582.8,166.7],[609.4,430.6],[702.3,172.2],[664.8,305.6]],"evidence":"目标是阶梯平台上方、紫色晶体左侧的金色钥匙孔门。紧框覆盖金色门板、右侧阴影和黑色钥匙孔，不含淡紫色门框。正点分布在门板上下部、钥匙孔及侧边；负点位于上下门框、右侧紫色晶体和门外深灰背景。"}},{"name":"Purple crystal, return to charcoal room","description":"Purple faceted crystal visible beyond the gold door during the character's empty-handed return to the charcoal room.","membership":"Include the solid crystal silhouette and internal shading. Exclude its radiating glow and rays.","id":"obj_014","temporal":{"status":"found","start_s":5.75,"end_s":8.0,"reference_s":6.5,"evidence":"目标是角色空手返回炭灰色房间时，金色门右上方的紫色晶体，仅计实体轮廓与内部阴影，不含光芒。首个合格帧为5.75秒，最后为7.75秒，晶体实体均完整可见；此前5.50秒该位置仍被转场遮罩遮住，此后8.00秒场景已黑屏。选择6.50秒作为关键帧，晶体形状清晰且无遮挡。","start_frame":138,"end_frame":192,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[690.6,138.9,714.8,198.6],"positive_points":[[698.4,150],[702.3,159.7],[695.3,168.1],[707.8,173.6],[700.8,184.7],[706.3,188.9]],"negative_points":[[679.7,166.7],[731.3,126.4],[608.6,284.7],[737.5,305.6]],"evidence":"目标是金色门右上方的紫色晶体。边界框紧贴中央实体晶体，包含内部明暗切面，不包含向外延伸的光晕与射线。六个正点分布于晶体实体上，负点位于外围射线、金色门和远离晶体的深色背景上。"}},{"name":"Orange-room chest, second visit","description":"Green chest left of the central divider when the character revisits the orange room and retrieves the gray cube previously left beside it.","membership":"Include the chest body, lid, shaded edges, and feet. Exclude red particles, the character, cube, and room structure.","id":"obj_015","temporal":{"status":"found","start_s":8.25,"end_s":10.0,"reference_s":9.0,"evidence":"目标是第二次进入橙色房间时，中央隔板左侧、先前留下的灰色方块旁的绿色箱子；角色随后取回方块。首个合格帧为8.25秒，箱体、盖和底脚已完整显露；最后合格帧为9.75秒，箱子仍完整可见。此前8.00秒为黑屏转场，此后10.00秒箱子已被转场遮罩遮去。选择9.00秒作为关键帧，箱子轮廓清楚，角色和方块位于其上方，遮挡少。","start_frame":198,"end_frame":240,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[282.03,598.61,340.63,669.44],"positive_points":[[292.19,609.72],[321.88,611.11],[287.5,629.17],[304.69,633.33],[329.69,644.44],[295.31,661.11]],"negative_points":[[308.59,575],[353.13,511.11],[406.25,593.06],[256.25,627.78]],"evidence":"目标是橙色房间中央隔墙左侧、灰色方块下方的绿色箱子。边界框紧贴箱盖、箱身、阴影边缘及底脚，不包含上方红色粒子。正点分布于箱盖、箱身和底脚；负点位于红色粒子、灰色方块、中央隔墙及左侧背景。"}},{"name":"Gold key, second orange-room visit","description":"Rotating gold key still on the right side of the orange room's divider while the character retrieves the cube on the left.","membership":"Include the complete key silhouette and shaded surfaces, preserving the opening through its circular bow. Exclude the floor and background.","id":"obj_016","temporal":{"status":"found","start_s":8.5,"end_s":10.0,"reference_s":8.5,"evidence":"目标是第二次进入橙色房间时，隔墙右侧地面上的旋转金钥匙；角色在左侧取回灰色方块。首个合格帧为8.50秒，末个为9.75秒，后者钥匙仍完整可见。8.25秒钥匙尚处于黑色遮罩的揭示过程中，10.00秒已被转场遮罩完全遮住。选择8.50秒作关键帧，钥匙轮廓、金色表面及圆环开孔清晰且无遮挡。","start_frame":204,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[581.25,612.5,633.594,666.667],"positive_points":[[584.375,638.889],[593.75,619.444],[605.469,626.389],[600,658.333],[615.625,638.889],[629.688,658.333]],"negative_points":[[560.938,637.5],[601.563,580.556],[613.281,695.833],[361.719,633.333]],"evidence":"目标是橙色房间中央隔墙右侧、地板上方的金色钥匙。边界框紧贴��整钥匙轮廓，涵盖圆环、钥匙杆和齿部。正点分布在圆环实体及杆齿表面，避开圆环开孔；负点位于外围背景、下方地板和左侧方块上。"}},{"name":"Lower green chest, cube-return presentation","description":"Floor-level green chest in the charcoal room when the character returns carrying the cube through the upper chest. The character later brings the cube down and enters this lower chest.","membership":"Include the chest body, lid, shaded edges, and feet. Exclude red particles, the character, cube, and walkway.","id":"obj_017","temporal":{"status":"found","start_s":10.25,"end_s":13.75,"reference_s":12.0,"evidence":"目标是角色携方块从上层箱子返回炭灰房间时，左下方地板上的绿色箱子；不包含红色粒子、角色、方块或走道。10.25秒箱体、盖沿和脚已完整可见，前一帧10.00秒仍为黑色转场，目标未显现。最后合格帧为13.50秒，箱子仍完整可见；13.75秒已转入另一房间，目标消失。选择12.00秒作为关键帧，箱子轮廓清楚且未被角色或方块遮挡。","start_frame":246,"end_frame":330,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[251.6,733.3,306.3,804.2],"positive_points":[[264.1,745.8],[288.3,748.6],[258.6,775.0],[279.7,765.3],[297.7,783.3],[272.7,795.8]],"negative_points":[[279.7,705.6],[277.3,833.3],[400.0,563.9],[519.5,331.9]],"evidence":"目标是画面左下方、紧靠地面栈道的绿色宝箱。边界框覆盖箱盖、箱体、阴影边缘和底脚，不含上方红色粒子。六个正点分布于箱盖、箱身两侧及底脚；负点位于红色粒子、下方栈道、灰色方块和上方另一只宝箱。"}},{"name":"Upper green chest, moved toward door","description":"Green chest initially on the charcoal room's central raised platform when the character returns with the cube. The character lifts this chest and throws it onto the higher ledge beside the locked door.","membership":"Include the entire chest body, lid, shaded edges, and feet throughout its movement. Exclude the carrying character, trailing red particles, cube, and supporting ledges.","id":"obj_018","temporal":{"status":"found","start_s":10.25,"end_s":13.75,"reference_s":12.75,"evidence":"目标是角色带方块返回后，位于炭灰色房间中央平台上的上层绿箱；随后被举起并抛到锁门旁的高台。10.25秒箱体已完整可见，前一帧10.00秒仍被转场黑幕遮住。最后合格帧为13.50秒，箱体仍完整露出；13.75秒已转入蓝色房间，目标不再可见。选择12.75秒，箱子已落在门旁，轮廓清晰且无遮挡，容易与下层箱子区分。","start_frame":246,"end_frame":330,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[535.2,333.3,589.1,402.8],"positive_points":[[549.2,344.4],[574.2,347.2],[541.4,366.7],[561.7,370.8],[582.8,383.3],[546.9,393.1]],"negative_points":[[561.7,308.3],[609.4,327.8],[359.4,545.8],[277.3,770.8]],"evidence":"目标是画面上方、黄色锁门左侧高台上的绿色箱子。框覆盖箱盖、箱身、阴影边缘及底脚；六个正点分布在这些部位。负点位于上方红色粒子、黄色门、角色携带的灰色方块及左下方另一只绿色箱子上，排除这些非目标对象。"}},{"name":"Gold locked door, chest-moving presentation","description":"Gold door with a black keyhole above the charcoal room's platforms while the character moves the upper chest onto the ledge beside it.","membership":"Include the gold slab, shaded side, and keyhole. Exclude the lavender structural frame, nearby chest, and purple crystal.","id":"obj_019","temporal":{"status":"found","start_s":10.25,"end_s":13.75,"reference_s":12.5,"evidence":"目标是炭灰房间平台上方带黑色钥匙孔的金色门板，包含其阴影侧面，不含紫色框架。此段角色将上层箱子搬到门旁台阶。首个合格帧为10.25秒，门体已完整可见；10.00秒仍是黑暗转场。最后合格帧为13.50秒，门虽随场景横向缩放但仍完整；13.75秒已被转场遮去。选择12.50秒作关键帧，门板与钥匙孔清晰，旁边箱子不遮挡门体。","start_frame":246,"end_frame":330,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[590.6,198.6,629.7,400],"positive_points":[[596.9,215.3],[616.4,236.1],[609.4,276.4],[611.7,304.2],[599.2,366.7],[626.6,345.8]],"negative_points":[[583.6,430.6],[560.9,365.3],[703.1,165.3],[666.4,319.4]],"evidence":"目标是画面中上部、平台上方带黑色钥匙孔的金色门。边框紧贴金色门板及右侧阴影，不包含淡紫色结构框。正点分布于门板上、中、下部、钥匙孔和阴影侧面；负点位于结构框、左侧箱子、右上紫色晶体及门外背景。"}},{"name":"Purple crystal, chest-moving presentation","description":"Purple faceted crystal floating beyond the locked door while the upper chest is moved onto the door's ledge.","membership":"Include the solid crystal silhouette and its internal shading. Exclude radiating glow and rays.","id":"obj_020","temporal":{"status":"found","start_s":10.25,"end_s":13.5,"reference_s":12.5,"evidence":"目标是黄色锁门右上方悬浮的紫色多面晶体，仅计实体轮廓及内部明暗，不计光芒；本段上层箱子被搬到锁门所在的平台。首个合格帧为10.25秒，末帧为13.25秒。此前10.00秒场景仍被黑色转场遮罩覆盖；此后13.50秒晶体开始被退出遮罩遮暗、移除。选择12.50秒作为关键帧，晶体完整清晰，与已移至门边的箱子容易区分。","start_frame":246,"end_frame":324,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[690.6,137.5,716.4,194.4],"positive_points":[[699.2,150],[706.3,152.8],[696.1,165.3],[703.9,169.4],[710.9,175],[702.3,183.3]],"negative_points":[[703.9,108.3],[693,218.1],[732.8,159.7],[610.2,281.9]],"evidence":"目标是黄色锁门右上方悬浮的紫色晶体。边界框紧贴中央实心晶体轮廓，包含内部明暗面，不包含外围光晕和放射光线。六个正点分布在晶体上、中、下部；负点位于外部光线区域及旁边的黄色锁门上。"}},{"name":"Blue-room chest, second visit","description":"Green chest between the blue room's two large nine-hole panels when the character returns carrying the cube after moving the chest near the locked door.","membership":"Include the chest body, lid, shaded edges, and feet. Exclude red particles, character, cube, floor, and flanking panels.","id":"obj_021","temporal":{"status":"found","start_s":14.0,"end_s":15.5,"reference_s":14.75,"evidence":"目标是角色搬动锁门旁的箱子后，携方块第二次返回蓝色房间时，位于两块九孔面板之间的绿色箱子。首个合格帧为14.00秒，箱体、盖沿和脚已完整可见；13.75秒仍处于黑色遮罩的初始揭示中。最后合格帧为15.25秒，箱子虽随场景缩放但仍完整；15.50秒已被退出遮罩遮去。选择14.75秒为关键帧，角色及方块位于箱子上方，箱体轮廓清楚、遮挡较少。","start_frame":336,"end_frame":372,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[466.4,800,521.9,868.1],"positive_points":[[481.3,806.9],[504.7,813.9],[471.9,834.7],[487.5,836.1],[511.7,841.7],[503.9,859.7]],"negative_points":[[493,769.4],[507,672.2],[232.8,737.5],[550,902.8]],"evidence":"目标是蓝色房间两块九孔面板之间、携带方块的角色下方的绿色箱子。边界框紧贴箱盖、箱体、阴影边缘和底脚；正点分布于这些部位，负点位于上方红色粒子、方块、左侧面板及箱外地板，均不纳入目标。"}},{"name":"Orange-room chest, final presentation","description":"Green chest left of the orange room's central divider, revealed in the final room transition beneath the character carrying the cube.","membership":"Include the visible chest body, lid, shaded edges, and feet. Exclude red particles, the character, cube, room structure, and transition darkness.","id":"obj_022","temporal":{"status":"found","start_s":15.75,"end_s":16.0,"reference_s":15.75,"evidence":"目标是最终转入橙色房间后，中央隔墙左侧、抱方块角色下方的绿色箱子。15.75秒箱体、盖、阴影边缘和脚已完整可见，是首个也是最后一个合格采样帧；周围转场黑幕未遮住箱子自身。前一帧15.50秒仍是被黑幕遮蔽的蓝色房间，目标尚未出现。选择15.75秒作关键帧，箱子清晰可辨；区间到达视频末尾，无后续帧。","start_frame":378,"end_frame":384,"reference_frame":378},"grounding":{"status":"found","bbox_xyxy":[282,600,342,669],"positive_points":[[292,608],[323,610],[288,628],[309,636],[331,647],[298,661]],"negative_points":[[314,592],[322,528],[369,619],[353,703]],"evidence":"目标是橙色房间中央隔墙左侧、持方块角色下方的绿色箱子。框覆盖可见箱盖、箱体、阴影边缘和底脚；正点分布在这些部位，负点位于上方红色粒子、方块、旁侧墙面及下方地板，排除角色与房间结构。"}}]}
+{"video_id":112,"video_type":"2D games","targets":[{"name":"Operational railway schematic","description":"The connected track diagram linking Benning on the left, East Market above, and Riverdale on the right. It is panned and zoomed while track sections change between white, red, yellow, and green.","membership":"Includes the operational track strokes, junctions, signals, platform numbers, endpoint symbols, station nameplates, and train markers within this connected diagram. Follow the individual graphic outlines; spaces between open tracks are not enclosed regions. Excludes the dark map background, faint surrounding expansion network, floating timetable panels, and interface overlays.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0,"evidence":"通过连接左侧 Benning、上方 East Market 和右侧 Riverdale 的轨道、道岔、信号及列车标记识别目标。首个合格帧为 0.00 秒，最后合格帧为 1.00 秒；期间图示虽缩放移动，但结构完整。紧邻的 1.25 秒帧中，East Market 名牌上缘及右侧 Riverdale 部分图示被画面边界裁切，因��结束此段。视频起点之前无采样帧。选择 0.00 秒作关键帧，图示完整、尺寸较大且易于辨认。","start_frame":0,"end_frame":30,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[21.9,127.8,969.5,615.3],"positive_points":[[127.3,429.2],[560.9,150],[846.9,288.9],[250,572.2],[471.1,501.4],[847.7,501.4]],"negative_points":[[468.8,659.7],[577.3,573.6],[117.2,231.9],[445.3,34.7]],"evidence":"通过 Benning、East Market、Riverdale 三个站名牌及其相连的亮色轨道识别目标。边界框覆盖运行轨道、道岔、信号与端点、站台编号、站名牌及列车标记和附属文字。正点分布在三个站名牌、左侧列车、中央轨道和右侧列车上；负点位于暗色背景、微弱外围扩展网络、左上时刻表和顶部状态栏，均不属于目标。"}},{"name":"East Market timetable","description":"The floating timetable at the upper left with a yellow header reading \"East Market\" and a single visible platform row.","membership":"Includes the panel boundary, header, header controls, time scale, grid, train entries, and current-time line. Excludes the railway diagram behind it.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":8.75,"reference_s":4.0,"evidence":"目标是左上角黄色“East Market”标题的浮动时刻表，包含标题控件、时间刻度及单个平台行，与背景铁路图分离。首个合格帧为0.00秒，最后为8.50秒；8.75秒系统升级菜单出现，时刻表开始淡出，故不纳入。目标在视频开头已完整呈现，没有更早的采样帧。选择4.00秒作为关键帧，此时面板清晰、无遮挡。","start_frame":0,"end_frame":210,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[0,77.78,226.56,154.17],"positive_points":[[35.94,91.67],[130.47,91.67],[186.72,91.67],[97.66,122.22],[38.28,138.89],[175.78,141.67]],"negative_points":[[93.75,55.56],[132.81,166.67],[50.78,194.44],[351.56,219.44]],"evidence":"目标是左上角黄色标题为“East Market”的浮动时刻表。边框覆盖完整标题栏、控制按钮、时间刻度及唯一可见站台行。正点分布于标题栏、按钮、刻度、当前时间线和表格区域；负点位于面板外背景、下方紫色 Benning 面板及右侧铁路图区域。"}},{"name":"Benning timetable","description":"The floating timetable beneath the East Market timetable, distinguished by its purple \"Benning\" header.","membership":"Includes the complete panel surface and boundary, header controls, timeline, platform rows, scheduled entries, and time indicator. Excludes underlying map graphics.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":8.75,"reference_s":3.75,"evidence":"目标是左上方 East Market 时刻表下方、带紫色“Benning”标题的完整时刻表面板。首个合格帧为0秒，末个为8.50秒；8.75秒系统升级菜单出现，面板开始淡出并被遮盖，因此不纳入。视频起点之前没有采样帧。选择3.75秒作为关键帧，面板边界、标题控件、时间轴及站台条目清晰且无遮挡。","start_frame":0,"end_frame":210,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[0,179.2,226.6,300],"positive_points":[[42.2,193.1],[189.1,193.1],[88.3,223.6],[50,255.6],[174.2,256.9],[127.3,284.7]],"negative_points":[[78.1,130.6],[243.8,255.6],[96.1,340.3],[166.4,430.6]],"evidence":"目标是左上方 East Market 时刻表下方、带紫色“Benning”标题栏的浮动面板。边框覆盖完整标题栏及控件、时间轴、站台行、计划条目和时间指示线。正点分布于标题栏和表格各部分；负点位于上方另一时刻表、面板外背景及地图上的 Benning 站名标签。"}},{"name":"Riverdale timetable","description":"The floating timetable in the upper right with a blue \"Riverdale\" header and multiple platform rows. Schedule entries are inspected during the demonstration.","membership":"Includes the panel surface, boundary, header controls, grid, time scale, scheduled entries, and current-time indicator. Excludes the separate railway diagram and temporary information cards extending outside the panel.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":8.75,"reference_s":3.75,"evidence":"目标是右上角带蓝色“Riverdale”标题栏的浮动时刻表，包含多行站台网格、时间刻度及当前时间指示线，不包含外伸的临时信息卡。首个合格帧为0.00秒，最后为8.50秒；8.75秒升级菜单出现，时刻表开始淡出。视频起点之前无采样帧。选择3.75秒作为关键帧，此时面板清晰且没有临时信息卡遮挡。","start_frame":0,"end_frame":210,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[773.4,76.4,1000,198.6],"positive_points":[[807,92],[972,92],[819,122],[859,155],[950,170],[897,187]],"negative_points":[[749,130],[892,48],[822,221],[882,290]],"evidence":"目标是右上角带蓝色“Riverdale”标题的浮动时刻表。边界框覆盖可见面板的标题栏、控件、时间刻度、站台网格、班次及当前时间指示线，右边缘止于图像边界。正点分布在标题栏和各表格区域；负点位于面板外背景、下方独立图标及铁路图的Riverdale站名处。"}},{"name":"Resource counters","description":"The compact top-center strip showing money, a star count, and green and red train-resource counts. Money rises from 13,900 to 14,900, and the green count rises from 4 to 5.","membership":"Includes the four adjacent counter boxes with their boundaries, icons, and numerical values. Excludes nearby map tracks and the upgrade controls that later appear below.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":10,"reference_s":3.75,"evidence":"目标为画面顶部中央四个相邻计数框，包含金钱、星星及绿、红列车图标和数值；金钱由13,900变为14,900，绿色计数由4变为5，框体持续完整可见。首个合格帧为0.00秒，最后为9.75秒，升级菜单出现后仍保留。区间覆盖视频首尾，两端均无区间外采样帧。选择3.75秒作为关键帧，四个框边界、图标和数字清晰，无遮挡。","start_frame":0,"end_frame":240,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[420.3,13.9,579.7,51.4],"positive_points":[[429.7,31.9],[453.9,31.9],[488.3,31.9],[504.7,31.9],[532.0,31.9],[565.6,31.9]],"negative_points":[[398.4,33.3],[599.2,31.9],[453.1,80.6],[539.1,80.6]],"evidence":"目标位于画面顶部中央，由显示13,900、星标10、绿色列车4和红色列车3的四个相邻计数框组成。边界框紧贴四框的整体可见范围，包含边框、图标及数值。六个正点分布在各计数框内容上，四个负点位于整组左右及下方的外部背景，避开地图轨道。"}},{"name":"ComCOM1041 train marker","description":"The segmented train initially approaching Benning in purple. It changes to blue after its displayed destination becomes Riverdale and later moves right out of Benning.","membership":"Includes the train's carriage shapes and white outlined end markings throughout movement and recoloring. Excludes the track, adjacent identification and destination text, cursor, and transient glow effects.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":8.75,"reference_s":3.5,"evidence":"目标是最初驶入 Benning 的紫色分节列车，含白色轮廓端部标记；1.50 秒目的地变为 Riverdale 时车厢变蓝，之后向右行驶。首个合格帧为 0.00 秒，末个为 8.50 秒；8.75 秒升级菜单出现，列车随背景开始淡出，因此不纳入。视频起点之前无采样帧。选择 3.50 秒作为关键帧，此时蓝色车厢及两端标记完整清晰，无遮挡，易与右侧列车区分。","start_frame":0,"end_frame":210,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[127.34,561.11,207.03,584.72],"positive_points":[[132.03,569.44],[150.78,570.83],[166.41,572.22],[182.81,572.22],[197.66,565.28],[203.13,575]],"negative_points":[[101.56,572.22],[164.06,606.94],[224.22,572.22],[265.63,572.22]],"evidence":"目标位于左侧 Benning 下方、ComCOM1041 标识上方，是当前显示 Riverdale 目的地的蓝色分节列车。边界框仅覆盖蓝色车厢和两端白色轮廓标记；正点分布于车厢与端部标记，负点位于外部轨道、下方文字、右侧光晕及绿色三角标志，均不属于目标。"}},{"name":"Com8731 train marker","description":"The white segmented train initially stopped on Riverdale's lower active track, accompanied by a decreasing countdown. It later leaves toward the right.","membership":"Includes the carriage shapes and outlined train-end markings. Excludes the track, adjacent text and countdown, selection outline, and floating reward indicators.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":6.75,"reference_s":3.75,"evidence":"目标是 Riverdale 下方活动轨道上伴随 Com8731 标签和倒计时的白色分节列车，仅计车厢及端部标记。首个合格帧为 0.00 秒，视频起点之前无采样帧；最后完整可见帧为 6.50 秒，紧邻的 6.75 秒帧中列车向右驶出，右端已被截去。选择 3.75 秒作为关键帧，列车完整清晰，与轨道、文字及其他列车易于区分。","start_frame":0,"end_frame":162,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[841.4,488.9,923.4,515.3],"positive_points":[[845.3,493.1],[852.3,506.9],[865.6,498.6],[882.0,502.8],[899.2,498.6],[916.4,493.1]],"negative_points":[[820.3,502.8],[881.3,533.3],[918.8,467.0],[929.7,504.2]],"evidence":"目标是 Riverdale 下方活动轨道上、Com8731 标签上方的白色分节列车。边界框仅覆盖车厢及两端轮廓标记，不含外部选择框。正点分布于车厢和端部白色标记；负点位于左侧轨道、下方标签、上方倒计时及右侧选择框。"}},{"name":"Simulation clock and speed controls","description":"The bottom-center clock displaying the advancing simulation time, with pause, play, and speed buttons beneath it.","membership":"Includes the clock box, clock symbol, time digits, and compact row of playback-speed controls. Excludes the railway diagram and the bottom upcoming-trains panel.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":8.75,"reference_s":4,"evidence":"目标是底部中央带时钟符号和时间数字的矩形框，以及其下方暂停、播放和倍速按钮行。首个合格帧为0.00秒，已完整显示；最后合格帧为8.50秒。8.75秒系统升级菜单开始覆盖画面，时钟及控制按钮开始淡暗，因此不再纳入。视频起点之前没有采样帧。选择4.00秒作为关键帧，目标完整清晰、无遮挡，便于标注。","start_frame":0,"end_frame":210,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[451.6,811.1,548.4,897.2],"positive_points":[[460.9,836.1],[510.2,836.1],[460.2,881.9],[479.7,881.9],[499.2,881.9],[539.8,881.9]],"negative_points":[[429.7,836.1],[569.5,877.8],[500,777.8],[500,945.8]],"evidence":"目标位于底部中央，时钟显示09:34，下方排列暂停、播放和倍速按钮。框覆盖完整时钟框及紧凑控制行；正点分布在时钟符号、时间数字和多个按钮上，负点位于外围背景及下方即将到站列车面板，排除铁路图和底部面板。"}},{"name":"Upcoming trains panel","description":"The bottom strip headed \"UPCOMING TRAINS\", containing scheduled service cards such as COM4321, COM6781, and COMCOM2011. Its entries update as a train enters the network.","membership":"Includes the panel surface and boundary, heading, panel controls, and scheduled train cards with their times and colored station tags. Excludes the navigation buttons immediately above and the replacement system-upgrades footer.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":8.75,"reference_s":0,"evidence":"目标是底部标有“UPCOMING TRAINS”的完整横条，包含面板控件、列车班次卡片、时间及彩色站名标签，不含上方导航按钮。首个合格帧为0秒，最后一个为8.50秒；期间卡片更新但面板持续存在。8.75秒该区域已被“SYSTEM UPGRADES”页脚替换，因此结束于8.75秒。视频起点之前没有采样帧。选择0秒作关键帧，面板边界、标题及三张班次卡片清楚且无遮挡。","start_frame":0,"end_frame":210,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[0,909.7,1000,1000],"positive_points":[[59,928],[118,970],[244,955],[335,962],[426,956],[799,957]],"negative_points":[[22,879],[57,880],[91,880],[594,852]],"evidence":"通过底部“UPCOMING TRAINS”标题及 COM4321、COM6781、COMCOM2011 服务卡片识别目标。边界框覆盖整条底部面板，包括表面、标题、控件和列车卡片。正点分布于这些内容及右侧面板表面；负点位于面板上方的导航按钮和主视图背景，均不属于目标。"}},{"name":"Benning right-facing departure signal","description":"The triangular signal at the right end of Benning's occupied track, ahead of ComCOM1041. It is selected and then turns green as the rightward route is set.","membership":"Includes the triangular signal's outline and enclosed interior through its color changes and map movement. Excludes the adjoining track, route highlighting, train, and cursor.","id":"obj_010","temporal":{"status":"found","start_s":0.75,"end_s":8.75,"reference_s":3.75,"evidence":"目标是 Benning 占用轨道右端、ComCOM1041 前方的右向三角信号，随后经历选中和变绿，并随地图移动。首个完整可见帧为0.75秒；前一帧0.50秒仍被列车遮挡。最后纳入8.50秒，信号此时受经过列车的部分遮挡；8.75秒升级菜单出现，底层地图及信号开始淡出。选择3.75秒作为关键帧，绿色三角轮廓完整清楚，与列车、轨道和光标容易区分。","start_frame":18,"end_frame":210,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[256.3,554.2,275.8,591.7],"positive_points":[[258.6,560.0],[258.6,584.7],[271.9,572.2],[263.3,566.7],[263.3,577.8],[259.4,572.2]],"negative_points":[[291.4,572.2],[199.2,572.2],[265.6,537.5],[264.1,625.0]],"evidence":"目标是Benning站内ComCOM1041列车右前方、朝右的绿色三角出发信号。边界框紧贴三角形轮廓，包含其内部；六个正点分布在轮廓及内部，负点位于右侧线路、左侧列车和上下外部背景，排除轨道、路线高亮及列车。"}},{"name":"Riverdale platform 2 left-facing signal","description":"The triangular signal at the left end of Riverdale's upper active track, marked platform 2. It changes selection color and then turns green for the route toward the central junction.","membership":"Includes the triangle's boundary and enclosed interior throughout the appearance. Excludes adjoining rails, platform-number text, cursor, and transient highlighting.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":8.75,"reference_s":3.75,"evidence":"目标是 Riverdale 标注平台2的上方活动轨道左端、朝左的三角信号，包含边界及内部；它先改变选择颜色，随后随通往中央岔口的路线变绿。首个合格帧为0.00秒，最后为8.50秒，期间缩��和平移未破坏其完整呈现。8.75秒升级菜单出现，背景中的目标开始淡出，因此排除该帧及后续帧。视频起点前无采样帧。选择3.75秒作为关键帧，三角信号完整、绿色清晰且无遮挡。","start_frame":0,"end_frame":210,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[772.7,413.9,792.2,450.0],"positive_points":[[786.7,422.2],[782.8,429.2],[777.3,431.9],[784.4,436.1],[787.5,443.1],[789.1,431.9]],"negative_points":[[757.8,431.9],[816.4,431.9],[881.3,429.2],[783.6,500.0]],"evidence":"目标是 Riverdale 标有“2”的上方活动轨道左端、朝左的绿色三角信号。边界框紧贴三角形边界及其内部，不包含外围光晕。六个正点分布于三角形轮廓和内部；负点位于左右相邻轨道、平台数字及下方另一信号上。"}},{"name":"Com4321 train marker","description":"The purple segmented train that enters from the right on Riverdale platform 2 and stops there, with a nearby label later showing Benning as its destination.","membership":"Includes its purple carriage bodies and outlined end markings, including portions visible while entering from the frame edge. Excludes the track, adjacent service text, timetable pop-ups, and reward effects.","id":"obj_012","temporal":{"status":"found","start_s":6.5,"end_s":8.75,"reference_s":8.5,"evidence":"目标是从右侧进入 Riverdale 2 号站台的紫色分节列车，随后旁边显示 Com4321 和 Benning。6.25 秒列车仍被右侧画面边缘截断；6.5 秒车厢及两端标记首次完整可见。最后合格帧为 8.5 秒，8.75 秒升级菜单出现，列车随背景开始淡出。选择 8.5 秒作为关键帧，此时列车完整清晰，且没有时刻表弹窗或奖励特效遮挡。","start_frame":156,"end_frame":210,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[842.2,419.4,924.2,444.4],"positive_points":[[844.5,430.6],[866.4,430.6],[882.8,430.6],[898.4,430.6],[912.5,426.4],[921.1,437.5]],"negative_points":[[953.1,430.6],[882.8,463.9],[782.8,429.2],[890.6,394.4]],"evidence":"目标是右侧 Riverdale 2 号站台轨道上、Com4321／Benning 标签上方的紫色分节列车。框紧贴紫色车厢及两端白色轮廓标记；正点分布在车厢和端部标记上，负点位于右侧轨道、下方服务文字、左侧绿色信号及上方背景，均不包含在目标内。"}},{"name":"Upgrade progression track","description":"The horizontal progression display near the top of the system-upgrades view, with a bright green completed portion, numbered milestones, tier markers, and reward symbols.","membership":"Includes the progression bar, milestone circles, attached tier labels, reward markers, and the labels at its left. Excludes the resource counters above, category tabs, and upgrade tiles below.","id":"obj_013","temporal":{"status":"found","start_s":9.0,"end_s":10.0,"reference_s":9.5,"evidence":"目标是系统升级界面顶部的横向进度显示，包含绿色进度条、数字里程碑、T2/T3层级标记、奖励符号及左侧标签。8.75秒仍处于界面初始淡入，9.00秒目标自身结构已完整清晰，最后合格帧为9.75秒。此前8.50秒尚未出现该显示；区间延续至视频结尾，无后续采样帧。选择9.50秒作为关键帧，此时背景过渡已结束，目标清楚且无遮挡。","start_frame":216,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[217,121,965,237],"positive_points":[[239,177],[373,179],[497,139],[551,216],[820,141],[955,216]],"negative_points":[[449,34],[473,93],[484,318],[923,384]],"evidence":"目标是升级界面顶部的横向进度显示。框覆盖左侧 Max、Per Cycle 标签、完整进度条、数字里程碑、T2/T3 标记及附属奖励符号。正点分布在左侧列车符号、绿色进度段、奖励和层级标记上；负点位于上方资源计数器、分类标签、下方升级按钮和外部背景。"}},{"name":"System upgrade tile grid","description":"The tiered grid revealed near the end, containing upgrades such as \"Autoblocks\", \"Automatic Routing\", \"Auto-reverse Trains\", \"Platform Adjustments\", and \"Basic Tracks\".","membership":"Includes the upgrade tiles with their icons, borders, names, costs, and installed indicators, together with tier headings, dashed tier separators, and the grid's scrollbar. Excludes the full-screen menu backdrop, upper progression track, left detail card, and bottom navigation footer.","id":"obj_014","temporal":{"status":"found","start_s":9.0,"end_s":10.0,"reference_s":9.5,"evidence":"目标为包含 Autoblocks、Automatic Routing、Auto-reverse Trains 等升级项的分层网格，包括图标、边框、名称、费用、安装标记、层级标题、虚线分隔及右侧滚动条。8.75 秒仍处于淡入阶段，9.0 秒首次完整清晰呈现，最后合格帧为 9.75 秒，并持续至视频结束；结束后无采样帧。选择 9.5 秒作为关键帧，网格清楚、无遮挡，便于与左侧详情卡及顶部进度条区分。","start_frame":216,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[217,206,997,849],"positive_points":[[301,318],[485,317],[668,323],[301,500],[301,673],[988,488]],"negative_points":[[110,331],[419,177],[500,955],[866,867]],"evidence":"根据 Autoblocks、Automatic Routing、Auto-reverse Trains 等名称识别出升级网格。框覆盖各升级项的图标、边框、名称、费用和安装标记，以及层级标题、虚线分隔、底部部分可见项目和右侧滚动条。正点分布于不同升级图标及滚动条；负点位于左侧详情卡、上方进度轨道、底部导航和网格外背景。"}},{"name":"Auto-reverse Trains detail card","description":"The bordered card on the left of the upgrade view, headed \"AUTO-REVERSE TRAINS\". Its preview changes from a station-track diagram to a station configuration example above explanatory text and a green-resource cost.","membership":"Includes the card boundary and surface, title and title icon, embedded animated preview, explanatory text, and cost indicator. Excludes the separate \"Installed\" status beneath the card and the upgrade grid to its right.","id":"obj_015","temporal":{"status":"found","start_s":9.0,"end_s":10.0,"reference_s":9.5,"evidence":"目标是升级界面左侧标题为「AUTO-REVERSE TRAINS」的 bordered 详情卡，包含预览、说明文字和绿色资源费用，不含下方独立的 Installed 状态。9.00 秒卡片边界和内容已完整建立；此前 8.75 秒仍处于菜单及卡片淡入阶段。最后合格帧为 9.75 秒，卡片持续存在至视频结束，之后没有采样帧。选择 9.50 秒作为关键帧，卡片清晰完整，且与右侧升级网格容易区分。","start_frame":216,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[5.5,97.2,196.9,455.6],"positive_points":[[103,125],[14,125],[105,231],[174,283],[87,368],[27,430]],"negative_points":[[105,516],[300,314],[224,362],[115,620]],"evidence":"左侧标题为“AUTO-REVERSE TRAINS”的带边框详情卡与目标一致。框覆盖卡片边界和表面、左上标题图标、标题、站点配置预览、说明文字及绿色资源费用。正点分布在这些内容上；负点位于下方独立的“Installed”状态、右侧升级网格及卡片外背景。"}},{"name":"Auto-reverse Trains upgrade tile","description":"The selected tile in the top row of the upgrade grid, showing a gear-and-reversal symbol and the caption \"Auto-reverse Trains\". It corresponds to the detail card on the left.","membership":"Includes the tile's own square boundary, enclosed icon, installed check mark, and attached caption. Excludes the extra selection brackets, cursor, adjacent tiles, and left-side detail card.","id":"obj_016","temporal":{"status":"found","start_s":9.0,"end_s":10.0,"reference_s":9.5,"evidence":"目标位于升级网格顶行，方框内为齿轮与反转符号，带已安装勾号及“Auto-reverse Trains”标题，与左侧详情卡对应；不包括外围选择括号。8.75秒仍处于菜单初始淡入，9.0秒目标自身边界、图标和标题已完整呈现，最后合格帧为9.75秒。目标持续到视频结束，之后无采样帧。选择9.5秒作为关键帧，目标清晰且无遮挡。","start_frame":216,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[632.8,280.6,703.9,380.6],"positive_points":[[648.4,284.7],[659.4,312.5],[672.7,326.4],[682.0,347.2],[642.2,372.2],[692.2,372.2]],"negative_points":[[576.6,319.4],[759.4,319.4],[668.8,405.6],[109.4,229.2]],"evidence":"目标是升级网格顶行中与左侧详情卡对应的“Auto-reverse Trains”方块。框覆盖自身方形边界、齿轮反转图标、已安装勾号及下方完整标题，不包含额外选择括号或光标。正点分布于边框、图标、勾号和标题文字；负点位于左右相邻升级项、下方背景及左侧详情卡。"}}]}
+{"video_id":113,"video_type":"2D games","targets":[{"name":"Two-level puzzle board","description":"An irregular, pale playing field with an upper chamber, a larger lower chamber, stepped ledges, and a passage on the right. It contains the colored puzzle pieces.","membership":"Includes the playing surface, its stepped boundary and interior ledges, and all puzzle pieces within it, including separately listed subjects. Follows the board's irregular perimeter rather than its bounding rectangle. Excludes the surrounding gray background, bottom interface buttons, and cursor.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":11,"reference_s":0,"evidence":"目标是包含上下两层浅色腔室、阶梯边界、内部台阶及彩色拼图块的不规则棋盘，不包括灰色背景、底部按钮和光标。首个合格帧为0.00秒，棋盘结构已完整呈现；末个合格帧为10.75秒，棋盘仍完整可见。期间拼图块的移动和组合未改变棋盘身份或完整性。区间覆盖视频首尾，两端均无区间外采样帧。选择0.00秒作为关键帧，因为棋盘轮廓、两层布局及各彩色块清晰可辨。","start_frame":0,"end_frame":264,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[138.3,55.6,972.7,945.8],"positive_points":[[218.8,118.1],[480.5,344.4],[831.3,229.2],[171.9,716.7],[621.1,838.9],[945.3,701.4]],"negative_points":[[93.8,402.8],[476.6,27.8],[46.9,930.6],[951.6,934.7]],"evidence":"目标是具有上下两层腔室、阶梯边界和右侧通道的浅色棋盘，包含其中的彩色拼块。框覆盖棋盘及拼块的最外侧可见范围，实际成员沿不规则轮廓确定。正点分布在上下层表面、右上蓝色拼块和右侧黄色拼块上；负点位于外围灰色背景及底部界面按钮，光标不计入目标。"}},{"name":"Initially upper-left red block","description":"A rounded red square initially on the left side of the upper shelf. It is moved off the shelf later and becomes the upper-left section of the joined red ring-shaped assembly.","membership":"Includes this block's red surface and boundary throughout movement, deformation, and attachment to other blocks. Excludes the other red blocks, the central opening between the joined blocks, and the cursor.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":11,"reference_s":0,"evidence":"目标是起初位于上层平台左侧的红色圆角方块；4.75秒起移离平台，随后连接其他红块，成为红色环状组合的左上部分，其表面持续可追踪。首个合格帧为0秒，最后为10.75秒，期间移动、变形和连接均未使目标消失。区间覆盖视频全长，起点之前及终点之后均无采样帧。选择0秒为关键帧，目标完整、独立且无遮挡，易与其他红块区分。","start_frame":0,"end_frame":264,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[250,105.6,306.3,205.6],"positive_points":[[260,120],[288,118],[299,143],[278,154],[261,182],[292,190]],"negative_points":[[389,152],[278,402],[223,154],[277,66]],"evidence":"目标是上层平台左侧的红色圆角方块，位于另一上层红块的左边。边界框紧贴该方块的完整可见表面与边缘；六个正点分布在其红色区域，四个负点位于其他红块及目标外的平台、灰色背景上。"}},{"name":"Initially upper-right red block","description":"A rounded red square initially to the right of the other block on the upper shelf. It is brought into the lower part of the upper chamber and eventually forms the lower-left section of the joined red assembly.","membership":"Includes this individual block's red surface and boundary, retaining its extent as it moves, deforms, and joins neighboring blocks. Excludes the neighboring blocks, openings between them, and interaction indicators.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":11,"reference_s":0,"evidence":"目标是起初位于上层平台右侧的红色圆角方块；3.00秒时移入上腔下部，随后与其他红块连接，持续构成组合体的左下部分，可连续追踪至结尾。首个合格帧为0.00秒，最后为10.75秒，目标始终完整可见；区间已覆盖视频首尾，两端均无区间外采样帧。选择0.00秒作为关键帧，此时目标独立、边界清楚且无遮挡，易与相邻红块区分。","start_frame":0,"end_frame":264,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[360.9,105.6,417.2,205.6],"positive_points":[[371.1,120.8],[402.3,119.4],[384.4,141.7],[370.3,173.6],[402.3,177.8],[387.5,193.1]],"negative_points":[[277.3,152.8],[389.1,393.1],[276.6,401.4],[444.5,40.3]],"evidence":"目标是上层平台上位于另一红块右侧的圆角红色方块。边界框紧贴其完整红色表面及边缘；六个正点分布于块内不同位置，负点位于其余三个红块及上方灰色背景，排除了邻块和交互指示。"}},{"name":"Initially lower-left red block","description":"A rounded red square initially beneath the left end of the upper shelf. It is moved right onto the small step and becomes the upper-right section of the joined red assembly.","membership":"Includes this block's red surface and boundary through its movement and attachment. Excludes other attached blocks, the empty space between them, the supporting ledges, and the cursor.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":11,"reference_s":2.75,"evidence":"目标是最初位于上层平台左端下方的红色圆角方块；随后向右移动到小台阶，并成为拼接红色组件的右上部分，其表面可连续追踪至末帧。首个合格帧为0秒，最后为10.75秒，均完整可见；区间覆盖视频首尾，边界外没有采样帧。选择2.75秒作为关键帧，此时目标独立停在小台阶上，轮廓清晰且无光标遮挡，易与其他红块区分。","start_frame":0,"end_frame":264,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[527.3,302.8,583.6,404.2],"positive_points":[[537,317],[565,318],[576,343],[550,354],[537,383],[573,388]],"negative_points":[[507,349],[555,436],[719,400],[395,127]],"evidence":"根据“移到小台阶上”的位置关系，目标为画面中上部、灰色小台阶上的红色方块。边界框紧贴其红色表面及圆角边缘；六个正点分布在块内，负点位于左侧浅色背景、下方灰色台阶及其他红块上，排除支撑结构、其他块和光标。"}},{"name":"Initially lower-right red block","description":"A rounded red square initially beside the lower-left block in the upper chamber. It is moved first across the steps onto the blue bracket and later forms the lower-right section of the red ring-shaped assembly.","membership":"Includes this individual red block and its deforming boundary throughout movement and attachment. Excludes the blue support, other red blocks, the opening between the joined blocks, and the cursor.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":11,"reference_s":1.75,"evidence":"目标是上方腔室内最初位于下排右侧的红色圆角方块；它首先越过台阶移到蓝色支架上，随后成为红色环状组合的右下部分，连接后的变形仍属于该方块。首个合格帧为0秒，最后一个为10.75秒，全程未见消失或离场裁切，故区间延续至视频结束11秒。区间两端均无更外侧采样帧。选择1.75秒作为关键帧，此时目标独立位于蓝色支架上，轮廓完整，且无光标遮挡，易与其他红块区分。","start_frame":0,"end_frame":264,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[693.8,350,750,455.6],"positive_points":[[704,373],[739,372],[719,396],[704,427],[738,429],[725,442]],"negative_points":[[722,501],[278,401],[344,399],[787,283]],"evidence":"目标是上方腔室右侧、落在蓝色支架下横臂上的独立红色圆角方块，符合已移上支架的描述。边界框紧贴该红块的可见轮廓；六个正点分布于红块内部各处，负点位于蓝色支架、左侧另一红块、光标及外部浅色背景。"}},{"name":"Large blue bracket","description":"A thick dark-blue, left-opening bracket initially occupying the right side of the upper chamber. It supports the red pieces and later descends into the lower chamber.","membership":"Includes the connected blue top arm, right upright, and bottom arm, following their actual outline through deformation and movement. The open space between the arms, red pieces resting there, and adjacent yellow pieces are excluded.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":11,"reference_s":0,"evidence":"目标是上腔右侧开口朝左的深蓝色粗括号，由上横臂、右侧竖臂和下横臂连成，后随红色块下降至下腔。首个合格帧为0.00秒，末个为10.75秒；整个过程中自身结构完整可辨，移动和形变未中断其连续出现。区间覆盖视频首尾，边界外均无采样帧。选择0.00秒作为关键帧，此时括号轮廓清晰、无遮挡，便于排除内部空隙、红块及相邻黄块。","start_frame":0,"end_frame":264,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[638.3,55.6,861.7,550],"positive_points":[[669,101],[779,103],[834,224],[835,393],[671,500],[778,501]],"negative_points":[[387,388],[861,598],[923,361],[590,499]],"evidence":"目标是上方区域右侧开口朝左的深蓝色粗括号。边界框紧贴其顶部横臂、右侧竖臂和底部横臂；六个正点分布在这三个相连部分上。负点位于红块、相邻黄块及括号外部灰色背景，避开两臂之间的自然空白。"}},{"name":"Horizontal yellow block","description":"A mustard-yellow rounded horizontal rectangle initially beneath the blue bracket near the right passage. It slides right to join the smaller yellow square, forming an elbow-shaped arrangement.","membership":"Includes the horizontal yellow piece's surface and boundary throughout its sliding and attachment. Excludes the smaller yellow square, neighboring blue bracket, and cursor.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":11,"reference_s":1.75,"evidence":"目标是右侧通道蓝色括号下方的芥末黄色横向圆角矩形，不包括其右下方的小黄方块。它从0.00秒起完整可见，8.75秒向右滑动并与小黄方块相接，横向部分持续保留至最后采样帧10.75秒。首尾均到达视频边界，没有更早或更晚的采样帧，故区间为[0,11)。选择1.75秒作为关键帧，此时横块形状清晰、无光标遮挡，且与小黄方块易于区分。","start_frame":0,"end_frame":264,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[805.5,551.4,917.2,650.0],"positive_points":[[817,574],[904,573],[842,596],[880,612],[819,630],[903,630]],"negative_points":[[943,698],[833,487],[773,598],[831,690]],"evidence":"目标是右侧蓝色括形块下方的芥末黄色横向圆角矩形。边界框紧贴该横块，不含右下方较小的黄色方块。六个正点分布于横块表面不同部位；负点位于小黄方块、上方蓝块及横块左侧和下方背景。"}},{"name":"Right-side yellow square","description":"A mustard-yellow rounded square initially below and to the right of the horizontal yellow block, in a small recess at the far right. It becomes the lower leg of the joined yellow arrangement.","membership":"Includes this square's yellow surface and boundary. Excludes the horizontal yellow piece even when attached, the surrounding recess, and interaction indicators.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":11,"reference_s":0,"evidence":"目标是最右侧小凹槽内的芥末黄色圆角方块，初始位于黄色横块右下方；8.75秒后成为相连黄色结构的下腿，身份连续可追踪。首个合格帧为0秒，最后为10.75秒，期间其表面与边界持续可见，无淡出或出框。区间覆盖视频首尾，两端均无区间外采样帧。选择0秒作为关键帧，因为方块完整、无遮挡，且与黄色横块分离，便于单独标注。","start_frame":0,"end_frame":264,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[916.4,650,972.7,748.6],"positive_points":[[927,666],[959,667],[928,730],[958,731],[941,695],[963,704]],"negative_points":[[861,599],[890,706],[984,701],[945,786]],"evidence":"目标是画面最右侧凹槽内、横向黄色块右下方的芥末黄色圆角方块。边界框紧贴该方块的可见边缘，不包含横向黄色块。六个正点分布在方块黄色表面，四个负点位于上方横向黄色块及方块左、右、下方的灰色背景。"}},{"name":"Bottom-left red pad","description":"A short, rounded red rectangle resting in the narrow bottom-left recess of the lower chamber. It remains separate from the four larger moving red blocks.","membership":"Includes only the small red rectangle and its boundary. Excludes the surrounding pale recess, gray ledges, and nearby interface buttons.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":11,"reference_s":0,"evidence":"目标是下方腔室左下狭窄凹槽内的短小圆角红色矩形，与四个较大的移动红块分离。它从首个采样帧0.00秒到最后采样帧10.75秒始终完整可见，无淡入、拆解或离场，因此区间为[0,11)。区间已覆盖视频首尾，两端均无额外采样帧。选择0.00秒作为关键帧，目标边界清晰、无遮挡，易与附近按钮和灰色台阶区分。","start_frame":0,"end_frame":264,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[194.5,895.8,250,945.8],"positive_points":[[202,909],[217,907],[240,910],[201,934],[221,925],[241,934]],"negative_points":[[217,868],[269,920],[117,923],[330,900]],"evidence":"目标是下方腔室左下角狭窄凹槽中的独立小红垫，与上方四个较大红块分离。边界框紧贴其短圆角矩形外缘；六个正点分布于红垫内部，四个负点位于周围浅色区域、灰色台阶和左下界面按钮上。"}}]}
+{"video_id":114,"video_type":"2D games","targets":[{"name":"Hexagonal puzzle board","description":"The central, roughly diamond-shaped puzzle consists of a stepped honeycomb of orange, blue, and dark gray hexagons. Cells contain numeric clues, braces, dashes, or question marks, with additional numbers along the board edges. During play, selected orange cells become blue or reveal dark clue cells.","membership":"Includes the complete stepped arrangement of hexagonal cells, their borders and contents, intercell spacing, internal openings, and the numerical clues immediately associated with its edges. Follows the board's actual outer contour, including concavities, rather than its bounding rectangle. Excludes the surrounding background, status panels, cursor, hover shading, and transient particle effects.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标是画面中央由橙色、蓝色和深灰色六边形组成的阶梯状近菱形棋盘，包含格内符号及紧邻边缘的数字。首个合格帧为0秒，棋盘结构已完整建立；最后合格帧为14.75秒，棋盘仍完整可见。期间仅单元格颜色和线索内容变化，未发生棋盘退出或替换。区间覆盖视频首尾，两端均无额外采样帧可检查。选择0秒作为关键帧，棋盘轮廓和边缘线索清晰，且无瞬时粒子效果干扰。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[156.25,84.72,843.75,830.56],"positive_points":[[198.44,434.72],[512.5,168.06],[407.81,591.67],[618.75,431.94],[828.13,486.11],[512.5,802.78]],"negative_points":[[234.38,194.44],[250,736.11],[859.38,138.89],[812.5,694.44]],"evidence":"目标是中央由橙色、蓝色和深灰色六边形组成的阶梯状蜂窝棋盘。边界框覆盖全部棋格及紧邻外缘的数字线索；实际范围沿棋盘轮廓，并非整个矩形。六个正点分布在左端、上部、中央、右部和底端棋格，四个负点位于外围背景及右上状态面板；不包含光标或瞬时效果。"}},{"name":"REMAINING counter","description":"The upper blue status panel at the top right reads “REMAINING”; its large white value decreases from 75 to 64 during the sequence.","membership":"Includes the blue rectangular panel, its boundary, and both the “REMAINING” label and changing numeric value. Excludes the separate panel below and the surrounding background.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标是右上角上方的蓝色矩形面板，包含“REMAINING”标签和白色数值，与下方“MISTAKES”面板分离。首个合格帧为0.00秒，末个为14.75秒；面板边界和文字始终完整可见，数值由75降至64不影响其连续身份。区间覆盖视频全程，起点之前和终点之后均无采样帧。选择0.00秒作关键帧，因面板清晰完整且无遮挡。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[815.6,18.1,907.0,80.6],"positive_points":[[821.9,30.6],[845.3,31.9],[896.1,31.9],[878.1,58.3],[900.0,68.1],[833.6,65.3]],"negative_points":[[784.4,44.4],[937.5,51.4],[859.4,133.3],[859.4,201.4]],"evidence":"目标为右上角标有“REMAINING”和白色数值“75”的蓝色状态面板。边界框紧贴整个蓝色矩形，包含标签和数值。六个正点分布于面板表面、标签及数值区域；负点位于左右外部背景、下方独立的“MISTAKES”面板及更下方背景。"}},{"name":"MISTAKES counter","description":"The lower blue status panel at the top right reads “MISTAKES” and displays a large white 0 throughout.","membership":"Includes the blue rectangular panel, its boundary, the “MISTAKES” label, and its numeric value. Excludes the separate panel above and the surrounding background.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标是右上角下方的蓝色矩形状态面板，包含“MISTAKES”标签和白色数字0，不含上方的REMAINING面板。首个合格帧为0秒，最后为14.75秒；整个采样序列中面板边界、标签和数值均完整可见。区间覆盖视频起止，两端均无区间外采样帧。选择0秒作为关键帧，因为目标清晰、无遮挡且与上方面板易于区分。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[815.6,104.2,907.0,166.7],"positive_points":[[827,119],[861,118],[892,119],[827,149],[859,150],[895,147]],"negative_points":[[866,50],[802,139],[917,135],[864,189]],"evidence":"目标是右上角下方标有“MISTAKES”和白色数字0的蓝色状态面板。边界框紧贴整个蓝色矩形，包含边界、标签及数值；正点分布于面板上、下部，负点位于上方独立计数面板及目标左、右、下方背景。"}}]}
+{"video_id":115,"video_type":"2D games","targets":[{"name":"Three-column connection puzzle","description":"The first compact puzzle graphic, initially centered, has twelve nodes in three columns and four rows: five pale-green triangles, five teal diamonds, and two pale-cyan octagons with paired diamond marks. Connections illuminate as paths are drawn, and nodes rotate or change outlines. The completed graphic turns cream and slides off the left side.","membership":"Include all twelve node shapes, their boundaries and enclosed interiors, internal marks, and the connecting lines between them, following their changing positions and outlines. Exclude the background visible between these elements, the screen border, cursor, and transient emphasis effects.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":8.25,"reference_s":7,"evidence":"目标是首个三列四行的十二节点连接谜题，包含五个三角形、五个菱形和两个带双菱形标记的八边形。0.00秒已完整呈现，视频起点之前无采样帧；连线点亮、节点旋转及整体变为奶油色均属于同一对象的变化。最后合格帧为8.00秒，整体左移但仍完整；紧邻的8.25秒已有节点被左侧画面边界裁切，因此结束时间为8.25秒。选择7.00秒作为关键帧，十二个节点及大部分连线清楚可辨，且没有边界裁切。","start_frame":0,"end_frame":198,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[392.2,242.6,607.3,758.3],"positive_points":[[424,294],[576,294],[500,432],[424,568],[500,703],[576,703]],"negative_points":[[365,463],[633,463],[500,194],[625,801]],"evidence":"图中央的三列四行图形与目标一致，包含五个三角形、五个菱形和两个带双菱形标记的八边形。边界框紧贴全部节点及连接线的最外缘。六个正点分布在上、中、下部不同节点的内部；四个负点位于图形外围背景，避开节点、连接线、光标和屏幕边框。"}},{"name":"Four-column connection puzzle","description":"The next puzzle graphic enters from the right and settles centrally after the first puzzle leaves. Its sixteen nodes form four columns and four rows: eleven pale-green triangles, four teal diamonds, and one pale-cyan octagon with two diamond marks. The octagon sits in the third row and third column; paths are drawn through the diamond nodes and around the triangular perimeter nodes.","membership":"Include all sixteen node shapes, their boundaries and enclosed interiors, internal marks, and connecting lines, including the paths progressively drawn during play. Follow node rotation and changes in their normal fill and outline. Exclude background gaps, the screen border, cursor, and temporary red warning outlines or other emphasis overlays.","id":"obj_002","temporal":{"status":"found","start_s":9.0,"end_s":15.0,"reference_s":9.5,"evidence":"目标为第二个四列四行、共十六节点的连接谜题，第三行第三列是带两个菱形标记的浅青色八边形。8.75秒时图形从右侧进入，仍被画面边界裁切；9.0秒首次完整呈现，之后移动、节点旋转及路径绘制均属同一持续出现。最后一个合格帧为14.75秒，目标仍完整存在，因此区间延续至15.0秒视频结束，无后续采样帧。选择9.5秒为关键帧，此时布局居中，节点形状清晰且无遮挡。","start_frame":216,"end_frame":360,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[358.9,240.7,645.3,759.3],"positive_points":[[386,296],[614,295],[462,433],[538,569],[386,701],[614,702]],"negative_points":[[326,491],[677,491],[495,194],[495,806]],"evidence":"根据中央四行四列的十六个节点及第三行第三列带双菱形标记的浅青色八边形识别目标。边界框紧贴全部节点及连接线的可见范围；六个正点分布于上下三角形、菱形和八边形内部，四个负点位于图案外围的背景，避开屏幕边框和光标。"}}]}
+{"video_id":116,"video_type":"2D games","targets":[{"name":"Exit portal — opening appearance","description":"A small upright white rectangular outline near the lower-right edge of the green passage in the opening view, before the camera scrolls away.","membership":"Includes the thin white boundary and the area enclosed by it. Excludes the surrounding passage and lighting.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0.5,"evidence":"目标是开场绿色通道右下方的小型竖直白色矩形轮廓及其内部区域。首个合格帧为0.00秒，轮廓已完整可见；最后合格帧为1.25秒，仍完整位于画面底部。相邻的1.50秒帧中，门户已随镜头滚动离开画面。区间起于视频开头，无更早采样帧。选择0.50秒作为关键帧，此时白色边界清楚、无遮挡，且与画面边缘有足够距离。","start_frame":0,"end_frame":36,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[730.2,698.1,751.0,754.0],"positive_points":[[739.6,700.5],[732.0,718.5],[749.6,720.4],[741.7,751.4],[737.5,715.7],[744.3,737.0]],"negative_points":[[713.5,722.2],[767.2,722.2],[741.7,668.5],[739.6,789.8]],"evidence":"目标是绿色通道右下缘的小型竖直白色矩形出口。边界框紧贴白色轮廓，覆盖轮廓及其内部；六个正点分布在边框和框内，四个负点位于框外的绿色通道及下方深色背景。"}},{"name":"Red character status icon","description":"A solid red square displayed separately from the playable character near the bottom-right corner, remaining fixed there while the level scrolls.","membership":"Includes the complete red square. Excludes the small white selection triangle above it and nearby narration text.","id":"obj_002","temporal":{"status":"found","start_s":3.25,"end_s":23.0,"reference_s":5.0,"evidence":"目标是右下角独立于可玩角色、在关卡滚动时保持固定位置的实心红色方块，不包括白色三角。3.25秒首次显示完整红方块，随后放大仍属完整形态；此前3.00秒仅见极小淡点，尚无完整红方块。最后合格帧为22.75秒，持续至视频结束23.00秒，之后无采样帧。选择5.00秒作为关键帧，此时方块清晰、无遮挡，且上方尚无白色选择三角。","start_frame":78,"end_frame":552,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[900,880.56,925,925],"positive_points":[[904,887],[920,887],[912,897],[904,917],[920,916],[919,902]],"negative_points":[[887,899],[940,903],[913,859],[454,483]],"evidence":"目标是右下角独立显示的实心红色方块，与画面中部的红色角色分离。边界框紧贴完整红方块；六个正点分布在其内部，负点位于周围黑色背景及中部另一个红色角色上。"}},{"name":"Thomas, the red rectangular character","description":"The upright solid red rectangle that first appears beside the large level number and subsequently moves and falls through the green passages.","membership":"Includes the complete red character shape throughout its movement and deformation. Excludes the white selection triangle, cast shadows, level number, and instruction banner.","id":"obj_003","temporal":{"status":"found","start_s":3.75,"end_s":23.0,"reference_s":5.0,"evidence":"目标是大号“0.2”左侧出现、随后沿绿色通道移动下落的实心红色竖矩形，不含右下角固定红色指示图标。3.75秒首次完整入画；前一帧3.50秒尚未显示该角色，仅有右下角图标。最后一帧22.75秒角色仍完整可见，因此区间延至视频末尾23.0秒，之后无采样帧。选择5.00秒作为关键帧，此时角色轮廓完整，与关卡数字及提示条清晰分离。","start_frame":90,"end_frame":552,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[443.8,455.6,464.1,510.2],"positive_points":[[447.9,463.9],[458.9,466.7],[448.4,483.3],[458.9,485.2],[447.9,501.9],[458.3,501.9]],"negative_points":[[425,478.7],[473.4,409.3],[572.9,579.6],[911.5,902.8]],"evidence":"目标是大号白色“0.2”左侧的直立红色矩形。边界框紧贴其完整可见形状，六个正点分布于矩形内部的上、中、下部；负点位于左侧绿色背景、白色关卡数字、下方操作横幅及右下角另一红色方块上。"}},{"name":"Level number 0.2","description":"Large thin white text reading \"0.2\", initially beside Thomas near the top of the view, later moving downward and fading as play proceeds.","membership":"Includes only the number glyphs and decimal point. Excludes Thomas, the green background, and the instruction banner.","id":"obj_004","temporal":{"status":"found","start_s":4.25,"end_s":6.5,"reference_s":4.75,"evidence":"目标是独立的大号细白字“0.2”，不含红色角色和操作提示条。4.25秒首次完整显示，前一帧4.00秒数字上端仍被画面边缘裁切；6.25秒为最后合格帧，6.50秒数字开始变淡，随后持续淡出。选择4.75秒作为关键帧，数字完整清晰，与角色及提示条容易区分。","start_frame":102,"end_frame":156,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[465.6,254.6,689.1,487.0],"positive_points":[[469.3,366.7],[515.1,472.2],[588.3,469.4],[649.5,269.4],[660.9,393.5],[665.1,480.6]],"negative_points":[[449.5,444.4],[625,541.7],[729.2,370.4],[520.8,185.2]],"evidence":"目标是画面中上部的大号细白字“0.2”。边界框紧贴两个数字及小数点的整体可见范围；六个正点分布在数字笔画和小数点上，负点位于左侧红色方块、下方操作提示横幅及文字外围的绿色背景上。"}},{"name":"Movement and pause instruction banner","description":"A white horizontal banner containing directional-pad and left-stick symbols, followed by \"- move | START - pause menu\". It accompanies the early descent before fading out.","membership":"Includes the entire white banner surface, its boundary, and all printed symbols and text. Excludes the character, selection marker, level number, and narration outside it.","id":"obj_005","temporal":{"status":"found","start_s":3.75,"end_s":16.5,"reference_s":5.0,"evidence":"目标是包含方向键、左摇杆符号及“- move | START - pause menu”的完整白色横幅。首个合格帧为3.75秒，前一帧3.5秒尚未出现横幅；最后合格帧为16.25秒，下一帧16.5秒横幅开始变灰淡出。选择5.0秒作为关键帧，此时横幅完整清晰、无遮挡，易于与角色和关卡数字区分。","start_frame":90,"end_frame":396,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[459.9,540.7,778.6,618.5],"positive_points":[[474,569],[518,581],[572,576],[632,587],[700,593],[762,601]],"negative_points":[[454,482],[474,400],[626,666],[395,625]],"evidence":"目标是画面中部偏右、带方向键和左摇杆符号及“- move | START - pause menu”文字的白色横幅。边界框紧贴整条略倾斜的横幅，包含白底、边界和全部印刷内容。六个正点分散覆盖横幅左右各段；负点位于横幅外的红色角色、关卡数字以及绿色和黑色背景上。"}},{"name":"Narration about listing observations","description":"A white narration block reading \"Thomas decided to start listing his observations, for posterity.\" It appears below and to the left of Thomas, reflows as the view moves, and then disappears.","membership":"Includes all text in this sentence across its changing line breaks. Excludes the adjacent thin vertical rule, instruction banner, character, and background.","id":"obj_006","temporal":{"status":"found","start_s":8.0,"end_s":10.25,"reference_s":8.0,"evidence":"目标是 Thomas 左下方完整句子“Thomas decided to start listing his observations, for posterity.”，不含旁边竖线。8.00 秒文字完成淡入，至 10.00 秒仍完整清晰；前一帧 7.75 秒仍在淡入，后一帧 10.25 秒已开始变暗淡出。选择 8.00 秒作为关键帧，此时句子呈单行、清晰且无遮挡。","start_frame":192,"end_frame":246,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[79.2,754.6,566.1,817.6],"positive_points":[[84.4,764.8],[150.5,774.1],[278.6,782.4],[329.7,782.4],[466.7,792.6],[493.8,804.6]],"negative_points":[[578.1,808.3],[755.2,729.6],[572.9,629.6],[286.5,861.1]],"evidence":"目标是画面左下方以“Thomas decided”开头、以“for posterity.”结尾的白色旁白句子。边界框覆盖整句文字，不含右侧细竖线。六个正点分布在句子不同位置的字形笔画上；负点位于细竖线、操作提示横幅、红色角色及下方背景。"}},{"name":"Numbered observations narration","description":"A later narration block listing \"(1) The whole 'alone' thing.\", an observation about portals, and an observation about Thomas being fantastic at falling. The block follows the descent and changes line wrapping.","membership":"Includes the complete three-item text block, including item numbers and punctuation, wherever visible. Excludes the adjacent vertical rule, character, status icon, and underlying scenery.","id":"obj_007","temporal":{"status":"found","start_s":13.75,"end_s":14.25,"reference_s":14.0,"evidence":"目标是包含“alone”、portals 和 falling 三项编号观察的完整旁白文字，不含旁边竖线。13.50秒文字仍在淡入，13.75秒首次完整清晰呈现；14.00秒为最后完整帧，14.25秒第三项被画面底边裁切，因此结束此段连续出现。选择14.00秒作为关键帧，三项文字均清晰且无遮挡。","start_frame":330,"end_frame":342,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[45.3,797.2,528.6,987.0],"positive_points":[[343.8,813.0],[316.1,810.2],[117.2,834.3],[475.0,892.6],[71.9,902.8],[155.7,945.4]],"negative_points":[[539.1,922.2],[533.3,764.8],[649.5,864.8],[201.6,757.4]],"evidence":"通过编号(1)至(3)及alone、Portals和Thomas falling等文字识别目标。边界框覆盖左下方完整三项旁白及其换行、编号和标点。六个正点分布在各项实际文字笔画上；负点位于右侧竖线、红色角色、操作提示条及上方背景，均不属于旁白。"}},{"name":"Exit portal — return appearance","description":"The upright white rectangular portal presented again at the bottom of the level after Thomas's descent. It enters from the right and remains visible as Thomas approaches and passes it.","membership":"Includes the thin white rectangular boundary and its enclosed area. Excludes the green passage, nearby character, shadows, and narration.","id":"obj_008","temporal":{"status":"found","start_s":19.75,"end_s":23.0,"reference_s":20.5,"evidence":"目标是托马斯下降后在底部通道右侧再次出现的细白色直立矩形出口。19.50秒时门户仍被画面右边缘裁切，19.75秒首次完整可见；此后持续出现，最后合格帧为22.75秒，视频于23.00秒结束，无后续帧。选择20.50秒作为关键帧，门户边界完整清楚，与红色角色及旁白分离，便于标注。","start_frame":474,"end_frame":552,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[895.8,717.6,916.1,772.2],"positive_points":[[898.4,724.1],[913.5,724.1],[897.4,763.9],[912.5,766.7],[903.6,738.0],[909.4,755.6]],"negative_points":[[879.2,739.8],[932.3,743.5],[617.7,727.8],[911.5,801.9]],"evidence":"目标是画面右下方、绿色通道底部的直立白色矩形出口。边界框紧贴白色细边及其包围区域；六个正点分布在门框内的上下及中部，负点位于两侧绿色通道、左侧红色角色和下方黑色背景，排除阴影与旁白。"}}]}
+{"video_id":117,"video_type":"2D games","targets":[{"name":"Yellow metro line","description":"The initially active yellow route connects the upper-left square, lower circular station, lower-right triangle, and far-right triangle. Its upper and right-hand sections are later removed.","membership":"Include the yellow route strokes, river-crossing dashed segments, and perpendicular end caps. Follow the actual open path and its bends; exclude intervening map space, station symbols, passenger markers, trains, and temporary selection halos.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":14.5,"reference_s":0,"evidence":"目标是连接左上方方形站、下方圆形站及两个三角站的黄色开放路线，包括跨河虚线和端帽，不含列车、站点及选择光环。首个合格帧为0.00秒，路线已完整建立；最后合格帧为14.25秒。紧接的14.50秒帧中，右上路段已开始被擦除，因此结束区间。视频起点前无采样帧。选择0.00秒作为关键帧，路线完整、弯折清楚，且没有选择光环干扰。","start_frame":0,"end_frame":348,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[105.2,168.5,890.1,744.4],"positive_points":[[270.83,178.7],[110.94,268.52],[136.46,379.63],[231.77,558.33],[586.98,712.96],[873.96,465.74]],"negative_points":[[110.42,156.48],[453.13,178.7],[536.46,416.67],[442.71,537.04]],"evidence":"目标是连接左上方方站、下方圆站及两个三角站的黄色开放线路。框覆盖黄色实线、过河虚线和两端垂直端帽，不计突出线路的列车。正点分布在上方横线、左侧竖线、过河虚线、斜线及两个端帽；负点位于方站轮廓、黄色列车、蓝色河面和线路外空白处。"}},{"name":"Upper-left square station","description":"Dark outlined square initially near the upper-left corner of the network, with small waiting-passenger shapes beside it. It is served by yellow and temporarily by red.","membership":"Include the square's border and enclosed light center, together with its immediately adjacent waiting-passenger symbols. Exclude connecting tracks, trains, and colored selection outlines.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":3,"evidence":"目标是网络左上方的深色边框、浅色中心方形车站及其紧邻的候车符号，连接黄色线路，并曾连接红色线路；不包含轨道、列车或彩色选中外框。首个合格帧为0.00秒，最后为17.75秒，车站全程保持完整可见，候车符号的增减不改变其身份。区间到达视频起止边界，边界外均无采样帧。选择3.00秒作为关键帧，此时方形车站及右侧候车符号清楚，且无彩色选中外框干扰。","start_frame":0,"end_frame":432,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[97.9,153.7,177.1,211.1],"positive_points":[[113.5,182.4],[101.0,163.9],[122.9,204.6],[140.6,167.6],[154.7,171.3],[169.3,167.6]],"negative_points":[[203.1,183.3],[113.5,260.2],[93.8,134.3],[156.3,208.3]],"evidence":"目标是线路左上方的深色方形车站，右侧紧邻圆、三角、圆三个候车符号。边界框覆盖方框边缘、浅色内部及这三个符号；六个正点分布于这些内容，负点位于外部背景和黄色连接轨道上，排除轨道。"}},{"name":"Upper triangular station","description":"Dark outlined triangle above the initial yellow horizontal route, initially disconnected. A red route is subsequently drawn to it and later withdrawn.","membership":"Include the triangular border, enclosed center, and immediately adjacent waiting-passenger symbols when present. Exclude tracks, trains, and temporary colored highlighting.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":0,"evidence":"目标是初始黄色水平线路上方、起初未连接线路的深色空心三角站，随后连接红线，红线撤回后站点仍在；相邻候车符号出现时计入目标，轨道、列车及临时彩色高亮不计入。首个合格帧为0.00秒，最后为17.75秒，三角站全程完整可见。区间已覆盖视频首尾，两端均无区间外采样帧。选择0.00秒作为关键帧，此时三角站独立清晰，无轨道或列车遮挡。","start_frame":0,"end_frame":432,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[304.2,63.9,347.4,131.5],"positive_points":[[326,74.1],[315.6,100.9],[335.9,100.9],[325.5,125],[325.5,102.8],[318.2,116.7]],"negative_points":[[291.7,101.9],[362,101.9],[325.5,40.7],[325.5,178.7]],"evidence":"目标是图像上方、黄色水平线路之上独立的深色三角形站点。边界框紧贴三角形外缘，包含边框及其内部，旁边没有候车符号。六个正点分布于顶角、两侧、底边和内部；负点位于外部背景及下方黄色轨道，排除线路。"}},{"name":"Far-right triangular station","description":"Dark outlined triangle at the right-hand yellow terminus, inside the river's large bend. It later becomes the right terminus of the red route.","membership":"Include the triangular border and enclosed center plus its adjacent waiting-passenger symbols. Exclude route strokes, end caps, trains, and selection effects.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":0,"evidence":"目标是河流右侧大弯内、黄色线路右端的深色空心三角车站及旁边候车符号，后来接入红线右端；不包含线路、端帽、列车或选中光效。首个合格帧为0.00秒，末个为17.75秒，车站始终完整可见，候车符号的变化不改变其身份。区间覆盖视频全程，起点前和终点后均无采样帧。选择0.00秒作为关键帧，此时三角边框、内部及相邻候车符号清晰，无列车遮挡或选择光效。","start_frame":0,"end_frame":432,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[819.8,369.4,876.6,436.1],"positive_points":[[841.1,380.6],[828.1,419.4],[842.2,430.6],[854.7,416.7],[841.1,410.2],[868.8,392.6]],"negative_points":[[806.3,350],[875,465.7],[890.6,398.1],[868.8,342.6]],"evidence":"目标是河流右侧大弯内、黄色线路终点处的三角形车站。框覆盖三角形边框及其内部，以及右上方的圆形候车乘客符号。正点分布在三角形边框、内部和乘客符号上；负点位于外部黄色线路、终点端帽、河流及上方背景，均不包含在目标中。"}},{"name":"Lower circular interchange","description":"Dark outlined circular station below the upper triangle, initially at the bend between the yellow diagonal and lower horizontal segments. The red route is repeatedly connected and rerouted here.","membership":"Include the circular border, enclosed light center, and its immediately adjacent waiting-passenger shapes. Exclude colored route strokes, trains, terminal caps, and selection rings.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":0,"evidence":"目标是上方三角站正下方、黄色斜线与下方水平线交接处的深色圆框车站，包含浅色圆心及紧邻的候车形状，不含线路、列车和选择光圈。首个合格帧为0.00秒，最后为17.75秒；期间红线多次接入和改道，但该圆站持续完整存在。区间覆盖视频首尾，无更早或更晚的采样帧。选择0.00秒作为关键帧，圆框、圆心及右侧候车方块清晰，且没有红色选择圈或列车遮��。","start_frame":0,"end_frame":432,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[308.3,682.4,360.4,744.4],"positive_points":[[311.5,712.0],[324.5,687.8],[326.0,736.8],[325.5,713.0],[339.0,719.4],[353.1,696.3]],"negative_points":[[382.8,713.0],[293.8,655.6],[352.1,768.5],[325.5,106.5]],"evidence":"目标是下方黄色斜线与水平线转折处的深色圆形车站。框覆盖圆形边框、浅色中心及右上紧邻的方形候车乘客；正点分布在圆框、中心和乘客方块上，负点位于黄色线路、外部背景及上方另一三角车站上。"}},{"name":"Lower-right triangular station","description":"Dark outlined triangle on the short lower horizontal yellow branch, with circular waiting-passenger markers to its right.","membership":"Include the triangular border, enclosed center, and adjacent waiting-passenger markers. Exclude the yellow track, terminal cap, train, and colored selection outline.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":3.5,"evidence":"目标为下方黄色短水平支线上的深色空心三角站点及其右侧圆形候车标记，不含轨道、端帽、列车和选择高亮。首帧0.00秒已完整呈现，末帧17.75秒仍可见；期间候车标记数量变化乃至清空，站点本体持续存在。区间覆盖视频首尾，两端均无区间外采样帧。选择3.50秒为关键帧，此时三角站点与右侧两个圆形标记清晰，无遮挡且无选择高亮。","start_frame":0,"end_frame":432,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[518.75,675.93,590.1,741.67],"positive_points":[[539.58,686.11],[527.08,724.07],[552.6,724.07],[539.58,720.37],[566.67,698.15],[582.29,697.22]],"negative_points":[[501.04,712.96],[585.94,731.48],[541.67,647.22],[567.71,771.3]],"evidence":"目标位于下方黄色水平短支线上，是右侧带两个圆形候车标记的深色三角站点。边界框覆盖三角形及两个圆形标记；正点分布于三角边框、内部和圆形标记，负点位于左侧黄轨、右侧终端帽及站点外部背景。"}},{"name":"Yellow train","description":"Small yellow rectangular vehicle initially moving right along the upper horizontal yellow route. Pale geometric shapes inside it indicate carried passengers; it later travels along the lower branch.","membership":"Include the complete moving yellow vehicle body and its internal pale symbols. Follow its changing position and orientation; exclude the underlying track and nearby station or waiting-passenger symbols.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":15.5,"evidence":"目标是沿黄色线路移动的黄色矩形列车，车内有浅色几何符号；可连续追踪其从上方横线向右行驶、折返并进入下方支线，停站时的遮挡不改变身份。首个合格帧为0.00秒，最后为17.75秒，车体均已完整呈现；区间覆盖视频首尾，两侧没有额外采样帧。选择15.50秒作为关键帧，此时列车位于下方水平支线，完整车体及内部浅色乘客符号清晰，与邻近车站分离。","start_frame":0,"end_frame":432,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[443.8,694.4,482.3,733.3],"positive_points":[[447.9,703.7],[463,703],[475.5,704.6],[448.4,724.1],[463,723.1],[477.1,725.9]],"negative_points":[[421.9,713.9],[501,714.8],[535.9,692.6],[462,667.6]],"evidence":"目标是画面下方黄色水平线路上的小型黄色列车，车内有浅色圆形乘客符号。边界框紧贴完整矩形车身，包含内部符号；正点分布于车身及乘客符号，负点位于左右轨道、右侧三角车站及车身上方背景，排除这些非目标内容。"}},{"name":"Passenger delivery counter","description":"Upper-right score display consisting of a walking-person pictogram and a number that increases from 4 to 11.","membership":"Include the numeric count and walking-person pictogram as one compact display. Exclude the adjacent day label, clock, and playback controls.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":15,"evidence":"目标是右上角由数字与行走人形图标组成的紧凑计数显示，不含旁边的星期、时钟及播放控件。它从首个采样帧0.00秒到最后采样帧17.75秒始终完整可见，数字由4增加至11，未改变显示对象的身份。区间到达视频两端，之前和之后均无采样帧。选择15.00秒作为关键帧，此时数字11与人形图标清晰完整、无遮挡。","start_frame":0,"end_frame":432,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[871.4,24.1,904.2,73.2],"positive_points":[[874.5,51.9],[881.8,50.9],[900,29.2],[896.5,44.4],[898,64.8],[890.6,66.7]],"negative_points":[[932.3,50.9],[965.6,50],[966.1,103.7],[880.2,88]],"evidence":"目标位于右上角，由数字“11”和步行人物图标组成。边界框紧贴这两部分；正点分布在数字笔画及人物头部、躯干和腿部，负点位于相邻星期标签、时钟、暂停控件及下方背景，均不包含在目���内。"}},{"name":"Day and simulation-speed controls","description":"Upper-right time-control cluster with the day changing from “WED” to “THU,” an analog clock, and vertically arranged pause, play, and fast-forward symbols.","membership":"Include the day text, clock face and hands, and the three playback-control symbols. Exclude the passenger delivery counter and surrounding empty background.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":0,"evidence":"目标是右上角由星期文字、模拟时钟及纵向排列的暂停、播放、快进符号组成的时间控制区，不含左侧乘客计数。首个合格帧为0.00秒，末个为17.75秒；全部采样帧中该组结构完整可见，WED变为THU及钟面变化不影响其连续身份。区间覆盖视频首尾，两端均无区间外相邻帧。选择0.00秒作为关键帧，控件清晰完整、无遮挡。","start_frame":0,"end_frame":432,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[916.7,22.2,981.3,197.2],"positive_points":[[920.8,50],[942.2,50],[966.7,50],[963.5,102.8],[964.6,144.4],[971.4,185.2]],"negative_points":[[897,48],[930,145],[990,110],[958,9]],"evidence":"目标位于右上角，由“WED”文字、模拟时钟及纵向排列的暂停、播放、快进符号组成。框紧密覆盖这些元素；六个正点分布在日期字形、钟面和三个控制符号上，负点位于左侧乘客计数图标及周围外部空白处。"}},{"name":"Metro resource and line toolbar","description":"Bottom-center toolbar showing a locomotive resource count, yellow, red, and blue line selectors, gray unused slots, and a tunnel resource count. Counts and selector sizes change during editing.","membership":"Include the locomotive badge and count, the row of colored and gray circular selectors, and the tunnel badge and count. Include the interiors of the circular badges; exclude the isolated gray dot above the toolbar and the map.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":18,"reference_s":0,"evidence":"目标是底部中央由机车徽章及数量、黄红蓝线路圆形选择器、灰色空槽、隧道徽章及数量组成的工具栏，不包括上方孤立灰点及地图。首个合格帧为0.00秒，所有指定成员均已完整显示；末个合格帧为17.75秒，工具栏仍完整存在。期间数量和选择器尺寸变化不影响其连续身份。区间覆盖视频首尾，边界外没有采样帧。选择0.00秒作关键帧，因各成员清晰、无遮挡且易于区分。","start_frame":0,"end_frame":432,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[326.0,920.4,721.4,976.9],"positive_points":[[341.7,950.0],[404.2,948.1],[442.7,948.1],[480.7,949.1],[594.8,949.1],[695.8,949.1]],"negative_points":[[499.7,896.3],[540.6,685.2],[286.5,944.4],[786.5,953.7]],"evidence":"目标是底部中央的地铁资源与线路工具栏。边界框覆盖机车徽章及数量、彩色和灰色圆形选择器，以及隧道徽章及数量。正点分布于两端徽章内部和各类选择器；负点位于上方孤立灰点、地图三角站点及工具栏两侧背景，不包含圆形内部空隙。"}},{"name":"Red metro line","description":"Red route introduced from the upper triangle toward the lower circle, then extended to the square and repeatedly rerouted toward the far-right triangle.","membership":"Include the red route strokes, dashed river crossings, and terminal caps. Include pale red retiring track sections while visible during rerouting. Follow each actual open path without filling the space between branches; exclude station symbols, trains, selection halos, and invalid-placement indicators.","id":"obj_011","temporal":{"status":"found","start_s":2.75,"end_s":18.0,"reference_s":5.5,"evidence":"目标是从上方三角站通往下方圆站、随后延伸至方站并改道至最右三角站的红色轨道，包括虚线过河段、端帽及改道时的浅红旧轨。2.50秒仍处于初始绘制阶段，端帽尚未出现；2.75秒线路及端帽完整建立。此后持续可见，最后 qualifying 帧为17.75秒，视频末尾没有后续帧。选择5.50秒作为关键帧，此时红线路径清晰、站点选择光环已消失，便于排除车站和列车。","start_frame":66,"end_frame":432,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[67.7,101.9,344.3,804.6],"positive_points":[[80.7,238.9],[142.2,136.1],[236.5,111.1],[322.9,240.7],[327.1,496.3],[328.6,794.4]],"negative_points":[[103.1,184.3],[312.5,712.0],[492.2,186.1],[546.9,435.2]],"evidence":"红色线路从左上方形站附近绕至上方三角站，再向下经过圆形站。边界框覆盖可见红色轨道、过河虚线及两端端帽，不包含站点符号。正点分布在左端帽、斜段、顶部横段、过河段、竖段和下端帽；负点位于方形站边框、圆形站边框、黄色线路及蓝色河面。"}},{"name":"Red train","description":"Small red rectangular vehicle introduced at the upper triangular station after the red route is created. It moves vertically, then follows the edited route toward the right, carrying pale geometric passenger symbols.","membership":"Include the complete moving red vehicle body and its internal passenger symbols. Follow its position and orientation; exclude tracks, station symbols, waiting passengers, and editing highlights.","id":"obj_012","temporal":{"status":"found","start_s":3.0,"end_s":18.0,"reference_s":15.5,"evidence":"目标是红色路线上的小红色矩形列车，随后可见其内部浅色几何乘客符号；它先向下运行，再沿修改后的路线向右行驶。3.0秒首次可辨认完整车体，前一帧2.75秒上方三角站仍被红色编辑高亮包围，尚无独立清晰的完整车体。最后合格帧为17.75秒，列车仍在右侧虚线路段上；视频结束后没有相邻帧。选择15.5秒作为关键帧，此时车体完整、方向明确，且远离站点，便于与轨道和其他符号区分。","start_frame":72,"end_frame":432,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[628.1,402.8,666.1,442.6],"positive_points":[[631.8,411.1],[637.5,417.6],[647.4,411.1],[660.4,413.0],[635.4,435.2],[658.3,435.2]],"negative_points":[[608.3,416.7],[686.5,429.6],[821.9,402.8],[645.8,375.0]],"evidence":"目标是图像中部偏右、红色虚线路段上的横向红色列车，车内有浅色三角乘客符号。边界框紧贴完整车身，正点覆盖车身各部及内部乘客；负点位于两侧轨道、右侧三角车站和车身上方背景，排除这些非目标内容。"}},{"name":"New upper-right circular station","description":"Dark outlined circular station that appears above the network's upper horizontal section, to the right of the upper triangle. A small triangular passenger marker appears beside it.","membership":"Include the circular border and enclosed light center, together with immediately adjacent waiting-passenger symbols. Exclude the expanding appearance halo, nearby tracks, and surrounding background.","id":"obj_013","temporal":{"status":"found","start_s":12.25,"end_s":18.0,"reference_s":15.0,"evidence":"目标是上方三角站右侧、网络上横线之上的深色圆环站，包含浅色中心及随后出现的右侧三角形候车标记，不包含扩散光晕。12.25秒圆环结构已完整显现，虽仍在缩放但符合条件；前一帧12.00秒仅有初始小实心点，尚未形成圆环。最后合格帧为17.75秒，目标持续存在至视频结束，之后无采样帧。选择15.00秒作为关键帧，此时圆站和相邻三角标记清晰，光晕已消失且无遮挡。","start_frame":294,"end_frame":432,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[601.0,100.9,652.1,160.2],"positive_points":[[617.2,104.6],[604.2,129.6],[618.0,154.6],[618.2,130.6],[631.2,129.6],[644.8,120.4]],"negative_points":[[588.5,129.6],[664.1,131.5],[617.2,191.7],[627.6,250.0]],"evidence":"目标位于网络上方、上方三角站的右侧，是带深色圆环的浅心圆站，右上紧邻一个小三角乘客符号。框覆盖圆站及该乘客符号；正点分布在圆环、浅色中心和小三角上，负点位于外围背景及下方蓝色轨道，避开目标与内部空隙。"}}]}
+{"video_id":118,"video_type":"2D games","targets":[{"name":"Numbered interlocking-tile puzzle","description":"The central game board assembles from white square jigsaw pieces into a roughly diamond-shaped arrangement. Many pieces have red diagonal stripes and circular number labels that count down as pieces are removed. Departing pieces slide and rotate outward, leaving pale blue square outlines until the board is empty.","membership":"Includes the individual tile surfaces, their jigsaw tabs and indentations, numbered markings, edges, shadows, and the outlined empty cells with their enclosed areas. Includes the puzzle pieces during assembly and outward removal animations. Follow the combined actual outlines of these components, excluding blue gaps between cells and the surrounding background. Excludes the menu icon, mouse cursor, yellow click rings, translucent directional highlights, and motion trails.","id":"obj_001","temporal":{"status":"found","start_s":1.5,"end_s":19.75,"reference_s":2.0,"evidence":"目标是中央由白色拼图块、红色编号条纹及空格浅蓝轮廓组成的棋盘。1.50秒所有组成格块的自身结构已出现，后续缩放和编号变化不影响纳入；此前1.25秒最右侧格块尚未出现，整体仍在组装。最后合格帧为19.50秒，保留空格轮廓及向左飞出的完整末块；19.75秒棋盘轮廓开始淡出。选择2.00秒作为关键帧，此时棋盘完整，编号和拼接边界清楚。","start_frame":36,"end_frame":474,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[225,192,786,910],"positive_points":[[465,207],[338,391],[260,543],[733,537],[572,675],[500,817]],"negative_points":[[496,121],[340,541],[654,539],[831,725]],"evidence":"根据中央红白斜纹、圆形数字及拼接凸榫识别拼图。边界框覆盖上方浅色方格、各编号拼块及其边缘阴影。正点分布在上方方格和左右、中央、底部拼块表面；负点位于上方半透明高亮、两侧蓝色缺口及外围背景，避开黄色点击环。"}}]}
+{"video_id":119,"video_type":"2D games","targets":[{"name":"Best score display","description":"The opening game screen shows “BEST SCORE” above “3490” in large dark angular lettering near the top of the peach-colored game area.","membership":"Includes the heading and its numeric value as one text block. Excludes the peach background, window border, and READY button.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0.5,"evidence":"目标是桃色游戏区域顶部完整显示的“BEST SCORE”及其下方“3490”，作为一个文字块。首个合格帧为0秒，最后一个为1秒；视频起点之前无采样帧。紧接的1.25秒帧已切换为游戏棋盘和“SCORE:0”，目标消失。选择0.5秒作为关键帧，文字完整清晰且无遮挡。","start_frame":0,"end_frame":30,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[412.5,250,584.9,355.6],"positive_points":[[414.1,267.6],[456.3,252.8],[572.9,286.1],[469.8,336.1],[482.8,325],[532.8,340.7]],"negative_points":[[501.6,213.9],[397.9,316.7],[496.9,388.9],[463,655.6]],"evidence":"目标位于桃色游戏窗口上部，由深色“BEST SCORE”和下方“3490”组成。边界框紧贴两行文字的整体范围；六个正点分布在标题和数字的实际笔画上，四个负点位于文字块外的桃色背景及 READY 按钮上。"}},{"name":"READY button","description":"A bright green, black-outlined button labeled “READY” near the lower center of the opening game screen; it is the control used before the puzzle board appears.","membership":"Includes the complete stepped-outline button, its green surface, lower shading, and white lettering. Excludes the surrounding peach background and mouse cursor.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0.25,"evidence":"目标是开场游戏窗口下方中央的绿色 READY 按钮，包含黑色阶梯状轮廓、底部阴影和白色文字。首个合格帧为0.00秒，最后为1.00秒，期间按钮始终完整可见；1.25秒已切换为拼图棋盘，按钮消失。区间到达视频起点，无更早帧。选择0.25秒作为关键帧，因为按钮清晰完整，鼠标位于按钮外，不遮挡其结构或文字。","start_frame":0,"end_frame":30,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[436.46,623.15,563.54,706.48],"positive_points":[[442.71,646.3],[466.15,660.19],[500,650.93],[540.1,661.11],[510.42,691.67],[550,702.78]],"negative_points":[[421.88,661.11],[575.52,667.59],[498.44,731.48],[494.27,610.19]],"evidence":"目标是游戏窗口下方中央标有“READY”的亮绿色按钮。边界框紧贴完整阶梯状黑色轮廓，包含绿色表面、底部阴影及白色文字。正点分布在按钮表面、字母和下沿阴影上；负点位于按钮外的桃色背景及上方鼠标光标处。"}},{"name":"Current score display","description":"The gameplay header at the upper left reads “SCORE:0” initially and updates as matches resolve, reaching “SCORE:540” in the later frames.","membership":"Includes the SCORE label, colon, and current numeric value as one text unit. Excludes the header background, nearby pause control, and animated point markers passing over it.","id":"obj_003","temporal":{"status":"found","start_s":1.25,"end_s":12.0,"reference_s":11.25,"evidence":"目标是游戏窗口左上角由“SCORE”、冒号及当前数值组成的文字单元。1.25秒首次完整显示“SCORE:0”；此前1.00秒仍为“BEST SCORE 3490”和READY界面，没有当前分数显示。此后分数持续更新，途经的得分标记仅造成短暂遮挡；最后一帧11.75秒仍完整显示“SCORE:540”，故区间延续至视频结束12.00秒，之后无采样帧。选择11.25秒作为关键帧，因为“SCORE:540”清晰完整且无遮挡，易与右侧暂停控件区分。","start_frame":30,"end_frame":288,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[370.83,192.59,473.96,218.52],"positive_points":[[375,194.44],[383.85,203.7],[409.38,198.15],[424.48,204.63],[443.23,194.44],[472.4,207.41]],"negative_points":[[512,212],[609,205],[417,263],[405,160]],"evidence":"游戏窗口左上方显示“SCORE:540”。边界框紧贴整段文字，包含标签、冒号和分数；六个正点分布在标签及数字的笔画上。负点位于右侧标题背景、暂停按钮、下方方块和窗口标题栏，均不属于分数文字。"}},{"name":"Pause control","description":"Two tall, narrow, pale bars with dark outlines form a pause symbol in the upper-right corner of the gameplay header.","membership":"Includes both bars as one functional symbol. Excludes the surrounding peach header and the operating-system window controls above it.","id":"obj_004","temporal":{"status":"found","start_s":1.25,"end_s":12.0,"reference_s":1.25,"evidence":"目标为游戏标题栏右上角两根浅色、深色描边的细长竖条，不含上方操作��统窗口按钮。1.25秒首次完整出现，持续至最后采样帧11.75秒；前一帧1.00秒仍为READY界面，没有暂停符号。区间延伸至视频结束，之后无采样帧。选择1.25秒为关键帧，两根竖条完整清晰且无遮挡。","start_frame":30,"end_frame":288,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[604.69,175.93,629.69,231.48],"positive_points":[[608.33,185.19],[607.81,205.56],[609.38,223.15],[625,184.26],[626.04,204.63],[624.48,223.15]],"negative_points":[[593.75,202.78],[621.35,158.33],[572.92,195.37],[583.33,262.04]],"evidence":"目标位于游戏窗口标题区域右上方，由两根浅色填充、深色描边的竖条组成。边界框紧贴两根竖条的整体范围；六个正点分布在两条的上、中、下部，负点位于外围桃色背景、上方系统窗口控件和下方游戏方块上。"}},{"name":"Animated germ puzzle board","description":"The central gameplay board has six columns of colorful square faces enclosed by a peach frame with green vine-like lines and red corner circles. A smaller row of faces runs across the top. Matching pieces change expression, become colored circles and floating “10” markers, and disappear as other pieces descend, revealing a illustrated river-and-trees backdrop.","membership":"Includes the entire decorative frame and its enclosed area: the top row of pieces, main tile field, illustrated background, and changing gameplay contents and match animations within the board. Excludes the score and pause header above, the application title bar, the surrounding Godot editor, and the ordinary mouse cursor.","id":"obj_005","temporal":{"status":"found","start_s":1.25,"end_s":12.0,"reference_s":4.25,"evidence":"目标是中央带绿色藤蔓线条、红色四角圆点的桃色装饰棋盘，包含顶部小方脸行、六列主棋区及变化中的游戏内容，不含分数和暂停栏。首个合格帧为1.25秒，边框与棋区已完整出现；前一帧1.00秒仍是BEST SCORE和READY菜单。棋盘持续存在至最后采样帧11.75秒，内部消除动画和方块下落不改变其身份，因此区间结束于视频末尾12.00秒，之后无采样帧。选择4.25秒为关键帧，因为完整边框、方脸及河流树林背景均清楚可见，且没有浮动分数标记遮挡。","start_frame":30,"end_frame":288,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[366.7,233.3,633.3,826.9],"positive_points":[[383.9,263],[516.1,263],[416.7,435.2],[516.1,607.4],[378.6,540.7],[616.1,796.3]],"negative_points":[[421.9,205.6],[625,203.7],[468.8,159.3],[703.1,509.3]],"evidence":"目标为中央带彩色方脸棋子的游戏棋盘。边界框覆盖顶部棋子行、桃色藤蔓边框及红色角饰、主棋子区域和河流树林背景，不含上方计分与暂停区。正点分布于棋子、背景和边框角饰；负点位于计分文字、暂停按钮、窗口标题栏及右侧编辑器背景。"}}]}
+{"video_id":120,"video_type":"visual design and media animation","targets":[{"name":"Transforming triangle construction","description":"White geometric construction consisting of two connected triangles with hollow vertex markers, angle labels, and right-angle squares. The triangles rotate and change configuration, acquire matching side tick marks, and ultimately form a square divided by a diagonal.","membership":"Includes the triangular boundaries and their enclosed areas, vertex rings, angle labels and markers, side tick marks, and attached construction lines, arrowheads, and rotation arcs. Follow the changing outlines rather than their bounding rectangle. Open extensions and arcs include only their strokes and annotations, not the surrounding space. Separately identified animated subjects remain within the construction’s region wherever they lie inside its closed shapes.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":6,"reference_s":4,"evidence":"目标为带空心顶点、角度标注和直角方框的白色双三角形构造，连续旋转变形，出现对应边刻痕，最终成为含对角线的正方形。首个合格帧为0.00秒，结构已完整建立；最后合格帧为5.75秒，正方形构造仍完整可见，无淡出或出界。区间覆盖视频首尾，两端均无额外相邻采样帧。选择4.00秒作为关键帧，双三角形边界、顶点及对应边刻痕清晰，便于按实际轮廓标注。","start_frame":0,"end_frame":144,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[323.4,156.5,677.6,988.9],"positive_points":[[335,164],[385,450],[520,559],[470,665],[631,847],[670.4,980.6]],"negative_points":[[550,360],[280,550],[720,790],[480,860]],"evidence":"目标是共享水平边的两个白色三角形构造。边界框覆盖三角形及内部、空心顶点、角度标注、直角符号、边上刻痕和顶部附属线环。正点分布于顶部线条、两个三角形内部及底部顶点环；负点位于构造左侧、右侧和斜边外的背景。"}},{"name":"Orange stick figure","description":"Orange animated person with a hollow circular head and simple line limbs, initially standing above the triangles’ shared vertex. The figure tumbles, lies down, crawls, stands, and moves along the changing construction.","membership":"Includes the complete orange figure: the head boundary and enclosed area, torso, arms, and legs in each pose. Excludes surrounding black space and the white geometry.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":6,"reference_s":4.75,"evidence":"目标为橙色空心圆头、线条躯干和四肢组成的完整火柴人，与白色几何线条明显区分。首个合格帧为0.00秒，末个为5.75秒；期间虽翻滚、趴卧、爬行、站立并随几何结构移动，但始终是同一完整人物，未见淡出、拆解或出框裁切。区间覆盖视频起止，两端均无区间外采样帧。选择4.75秒作为关键帧，因为人物站立，头部及四肢清楚，便于空间标注。","start_frame":0,"end_frame":144,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[565.1,446.3,613,611.1],"positive_points":[[596.4,475],[579.2,502.8],[591.1,525.9],[604.7,522.2],[572.9,584.3],[600.5,583.3]],"negative_points":[[536.5,609.3],[500,422],[637,476],[550,530]],"evidence":"目标是图中偏右、站在白色水平边上的橙色火柴人。边界框紧密覆盖圆形头部、躯干、双臂和双腿；正点分布于头部内部及各肢体笔画，负点位于外部黑色背景和白色几何线上。"}},{"name":"Moving phi symbol","description":"Large white “ϕ” symbol initially beside the lower-left triangle vertex. It rotates and travels between vertices and along the construction’s edges.","membership":"Includes the symbol’s white strokes and the area enclosed by its loop, following its rotation and changing scale. Excludes adjacent vertex markers, geometric edges, and angle annotations.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":6,"reference_s":4,"evidence":"目标是最初位于左下顶点旁的大号白色ϕ符号，其后连续旋转、缩放并沿几何结构移动，不包括相邻顶点圆圈和线段。首个合格帧为0.00秒，最后为5.75秒；各帧中符号均已完整呈现，未见淡出或离开画面的裁切。区间覆盖视频首尾，两端均无区间外采样帧。选择4.00秒作为关键帧，此时符号位于左上顶点上方，轮廓清晰，与几何线条易于区分。","start_frame":0,"end_frame":144,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[323.44,156.48,346.88,226.85],"positive_points":[[334.9,165.7],[326.0,197.2],[344.7,198.1],[334.9,185.2],[330.7,209.3],[335.0,222.2]],"negative_points":[[335.4,241.7],[335.4,300.9],[343.8,267.6],[365.6,199.1]],"evidence":"目标是图中左上顶点上方的大号白色ϕ。边框紧贴符号的竖笔与环形部分，不包含下方顶点圆圈。正点分布在竖笔、环线及环内区域；负点位于下方顶点标记、几何边、角度标注和右侧外部背景。"}}]}
+{"video_id":121,"video_type":"visual design and media animation","targets":[{"name":"Desktop monitor","description":"The central illustrated computer monitor assembles with a coral-red screen, white bezel, dark-blue outline, and short pedestal stand. It initially displays an analytics dashboard.","membership":"Include the monitor's screen, bezel, controls, pedestal, base, and displayed contents. Follow its outer silhouette. Exclude the adjacent mug, floating paper report, text beneath it, and surrounding decorative marks.","id":"obj_001","temporal":{"status":"found","start_s":1.0,"end_s":7.5,"reference_s":2.5,"evidence":"目标为中央珊瑚红屏幕、白色边框及深蓝轮廓的桌面显示器，包含短支柱和底座。首个合格帧为1.00秒，外壳和底座已完整；此前0.75秒仍在组装，支柱和底座尚未形成。最后合格帧为7.25秒，虽面板扩大、显示器上移，其边框和支座仍完整可见；7.50秒已变为无支座的浏览器窗口，显示器结构消失。选择2.50秒作关键帧，显示器轮廓清晰，且没有浮动报告遮挡。","start_frame":24,"end_frame":180,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[350,308,650.5,680],"positive_points":[[372,353],[631,552],[435,440],[557,438],[558,619],[501,664]],"negative_points":[[334,634],[499,720],[571,269],[688,486]],"evidence":"目标是画面中央带珊瑚红屏幕、白色边框和短底座的桌面显示器。边界框紧贴显示器外轮廓，包含屏幕中的仪表板、边框、控制按钮、支柱和底座。正点分布于屏幕、显示内容、下边框及底座；负点位于左侧杯子、下方文字、上方波浪装饰和右侧外部背景，均不属于显示器。"}},{"name":"Ahrefs dashboard window","description":"The white, green-topped window initially displayed inside the monitor contains colorful pie, line, and bar charts. It later expands into a standalone stacked browser panel displaying the Ahrefs keyword table and then backlink information.","membership":"Include the window surface, rounded boundary, header, controls, charts, navigation icons, text, and tables. Include the offset backing sheets when the window becomes a stack. Exclude the surrounding monitor hardware, overlapping paper report, animated pointer, and independent titles below the panel.","id":"obj_002","temporal":{"status":"found","start_s":0.75,"end_s":16.0,"reference_s":10.5,"evidence":"目标是显示器内白色、绿色顶栏的圆角图表窗口，随后连续扩展为带偏移底页的 Ahrefs 表格面板。0.50 秒时窗口仍在展开，底部尚未完整露出；0.75 秒表面与圆角边界已完整建立，内部图表继续绘制不影响纳入。此后窗口持续存在，内容从图表变为关键词及反向链接表格，最后合格帧为 15.75 秒，区间延续至视频结尾 16.0 秒，无后续帧。选择 10.50 秒作为关键帧，此时堆叠窗口完整清晰且无遮挡，易于排除外部指针和下方独立标题。","start_frame":18,"end_frame":384,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[347,298,669.3,667.6],"positive_points":[[483,312],[359,511],[400,399],[538,482],[608,596],[655,649]],"negative_points":[[494,723],[578,758],[320,457],[702,552]],"evidence":"目标为中央带 ahrefs 标识、绿色顶栏和关键词表格的浏览器面板。边界框包含完整窗口及右侧、底部错位的叠层底页。正点分布于顶栏、窗口表面、导航图标、表格和底页；负点位于下方独立标题、动画指针及面板外背景。"}},{"name":"Green mug","description":"A green mug with a right-facing loop handle stands beside the monitor's lower-left corner.","membership":"Include the mug body and handle, following their outlines and excluding the open handle hole. Exclude rising steam strokes, the monitor behind it, and the horizontal ground line.","id":"obj_003","temporal":{"status":"found","start_s":1.0,"end_s":7.0,"reference_s":2.25,"evidence":"目标是显示器左下方的绿色杯身及朝右的环形把手，不含蒸汽和把手孔。1.00秒首次完整呈现，0.75秒把手仍未完全展开成形；6.75秒为最后完整帧，7.00秒把手已开始消失，杯子进入拆解退场。选择2.25秒作为关键帧，此时杯身与把手轮廓清晰、无遮挡。","start_frame":24,"end_frame":168,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[312.5,584.3,375,679.6],"positive_points":[[320.3,601.9],[344.3,598.1],[322.4,661.1],[344.3,651.9],[365.6,613],[366.7,652.8]],"negative_points":[[338,531.5],[389.1,625],[298.4,628.7],[409.9,677.8]],"evidence":"目标是显示器左下角旁、把手朝右的绿色杯子。边界框紧贴杯身和环形把手；正点分布在杯身及把手实体上，不选把手孔。负点位于上方蒸汽、右侧显示器、左侧背景和远离杯子的水平地线上。"}},{"name":"Ahrefs caption","description":"The lowercase blue word \"ahrefs\" assembles beneath the monitor and remains there during the dashboard and unfolding-report presentation.","membership":"Include only the letters of this independent caption. Exclude the monitor, stand, ground line, and the separate Ahrefs branding later shown inside the browser panel.","id":"obj_004","temporal":{"status":"found","start_s":0.75,"end_s":6.75,"reference_s":3.0,"evidence":"目标是显示器下方独立的蓝色小写“ahrefs”，不包括后续浏览器内的品牌字样。0.75秒六个字母已完整可见，虽仍有位置和角度变化；前一帧0.50秒仅有部分字母，尚未完成揭示。最后合格帧为6.50秒，6.75秒字母开始错位拆散退出，7.00秒已消失。选择3.00秒作为关键帧，文字清晰、无遮挡且与显示器及地面线分离。","start_frame":18,"end_frame":162,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[460,691.7,540.1,737.9],"positive_points":[[463.5,727.8],[478,703.7],[493.2,722.2],[507.3,724.1],[519.8,713.9],[534.4,716.7]],"negative_points":[[440,716],[555,719],[501,650],[620,560]],"evidence":"目标是显示器下方独立的蓝色小写“ahrefs”字幕，框紧贴整个单词的可见字母范围。六个正点分别落在六个字母笔画上；负点位于字幕左右的外部背景、显示器支架和屏幕区域，排除这些非字幕对象。"}},{"name":"Unfolding paper report","description":"A long white accordion-folded report unfolds over the dashboard toward the lower right. Its upper section reads \"what to do\"; its final section reads \"Search\" and contains a search field and three illustrated results.","membership":"Include the entire connected paper, its curled and folded edges, shaded reverse surfaces, headings, colored blocks, search field, and result graphics. Follow the paper's changing outline rather than the rectangle surrounding all folds. Exclude the underlying dashboard and monitor.","id":"obj_005","temporal":{"status":"found","start_s":5.0,"end_s":6.5,"reference_s":5.5,"evidence":"目标是覆盖仪表盘、向右下方展开的连续折叠白纸，上端写有“what to do”，末端为“Search”及三项结果。5.00秒纸面、各折痕和末端卷边已完整建立，内部结果细节随后继续变化；前��帧4.75秒末段仍在揭示，边界尚未完整。最后合格帧为6.25秒，6.50秒上端开始卷收并被绿色反面遮除。选择5.50秒作为关键帧，此时整张报告轮廓及内容清晰，无遮挡。","start_frame":120,"end_frame":156,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[445.3,280.6,737.5,679.6],"positive_points":[[527,326],[526,445],[593,421],[591,548],[667,571],[682,662]],"negative_points":[[434,437],[384,449],[501,620],[694,394]],"evidence":"目标是从“what to do”延伸至“Search”的连续折叠纸张。边界框覆盖顶部卷边、白色报告页面、蓝灰色折叠背面及右下卷边。六个正点分布于各段纸面、结果图文和折边；负点位于下方仪表盘的饼图、红色区域、显示器底框及纸张外部背景。"}},{"name":"Animated navigation pointer","description":"A yellow triangular pointer with a coral stripe and dark-blue outline appears as the dashboard expands. It travels below the browser panel and later points at the chain-link navigation control.","membership":"Include the colored pointer graphic and its outline. Exclude its offset shadow, motion trails, click effects, and the interface elements it points toward.","id":"obj_006","temporal":{"status":"found","start_s":7.25,"end_s":16.0,"reference_s":11.0,"evidence":"目标是带珊瑚色条纹、深蓝色轮廓的黄色三角指针，不含偏移阴影和运动轨迹。7.25秒首次可见完整的小指针，位于显示器左下侧；前一帧7.00秒尚未出现。它随后移至浏览器下方，并指向链环导航按钮，持续至最后一帧15.75秒；视频在16.00秒结束，无后续帧可检查。选择11.00秒作为关键帧，此时指针位于面板下方，轮廓清晰且无遮挡。","start_frame":174,"end_frame":384,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[564.6,732.4,590.6,783.3],"positive_points":[[567.2,744.4],[570.3,756.5],[571.4,772.2],[574.5,750.0],[579.7,756.5],[584.9,761.1]],"negative_points":[[561.5,772.2],[547.4,725.9],[604.2,595.4],[595.8,799.1]],"evidence":"目标位于浏览器面板下方、“keywords”右侧，是带珊瑚色条纹和深蓝描边的黄色三角指针。边界框仅覆盖指针本体及描边，不含左下方偏移阴影。六个正点分布在填色、条纹和描边上；负点位于偏移阴影、旁边文字、面板及外部背景。"}},{"name":"Keyword navigation button","description":"The uppermost sidebar button in the expanded Ahrefs panel contains a yellow key. It is coral while the keyword table is displayed and becomes green when the backlink view is selected.","membership":"Include the rounded button surface, boundary, and enclosed key symbol. Exclude the other sidebar buttons and the adjacent table.","id":"obj_007","temporal":{"status":"found","start_s":8.0,"end_s":16.0,"reference_s":10.0,"evidence":"目标是展开的 Ahrefs 面板左侧最上方、内含黄色钥匙的圆角按钮。8.0 秒时按钮表面、边框和钥匙均已完整；紧前的 7.75 秒仍在绘制边框及图标。此后持续存在，切换到 backlink 视图时仅由珊瑚色变为绿色。最后合格帧为 15.75 秒，区间延伸至视频结尾 16.0 秒，无后续帧。选择 10.0 秒作为关键帧，按钮完整清晰且无遮挡。","start_frame":192,"end_frame":384,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[372.9,368.5,428.1,427.8],"positive_points":[[380.2,382.4],[419.3,379.6],[393.2,415.7],[416.7,414.8],[390.6,396.3],[411.5,394.4]],"negative_points":[[400.5,464.8],[400.5,532.4],[473.4,417.6],[357.8,398.1]],"evidence":"目标是 Ahrefs 面板左侧最上方、含黄色钥匙的珊瑚色圆角按钮。边界框紧贴按钮外缘，包含表面、边框和钥匙图案；正点分布于按钮表面及钥匙上，负点位于下方其他按钮、右侧表格和按钮左侧的面板空白处。"}},{"name":"Backlink navigation button","description":"The second sidebar button contains a yellow chain-link symbol. The animated pointer selects it, changing its background from green to coral as backlink information replaces the keyword table.","membership":"Include this button's rounded surface, outline, and chain-link symbol. Exclude the pointer, transient selection effects, neighboring buttons, and table.","id":"obj_008","temporal":{"status":"found","start_s":8.5,"end_s":16.0,"reference_s":14.0,"evidence":"目标是左侧栏第二个带黄色链环符号的圆角按钮，包含按钮表面、轮廓和链环；被指针选中后背景由绿色变为珊瑚色。8.25秒链环仍在绘制，8.5秒首次完整呈现，之后持续可见至最后采样帧15.75秒，因此区间结束于16.0秒；视频末尾无后续帧。选择14.0秒作为关键帧，按钮轮廓和链环清晰，且无指针遮挡。","start_frame":204,"end_frame":384,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[372.9,435.2,428.1,494.4],"positive_points":[[379.7,449.1],[420.8,449.1],[379.7,481.5],[420.8,481.5],[388.5,463.9],[411.5,468.5]],"negative_points":[[400.5,398.1],[400.5,531.5],[484.4,453.7],[355.7,464.8]],"evidence":"目标是左侧栏第二个按钮，珊瑚色圆角底面中带黄色链环符号。边界框紧贴按钮外轮廓，涵盖底面、描边和链环；六个正点分布在底面与链环上，四个负点位于上方钥匙按钮、下方虫形按钮、右侧表格及左侧外部背景。"}},{"name":"Keywords title","description":"The independent blue title \"keywords\" assembles below the expanded browser panel while the table shows \"Keywords\", \"Traffic\", and \"URL\" columns.","membership":"Include only the title's letters throughout their assembly and movement. Exclude the browser panel, pointer, and surrounding decorative graphics.","id":"obj_009","temporal":{"status":"found","start_s":9.25,"end_s":12.5,"reference_s":10.5,"evidence":"目标是浏览器面板下方独立的蓝色“keywords”标题，不含表格内的同名列标题。9.25秒首次完整显示全部字母，虽仍有位置变化但已完成揭示；此前9.00秒字母仍在组装。最后符合条件的帧为12.25秒，12.50秒原标题开始缩小、拆散并被“backlinks”替换。选择10.50秒作为关键帧，标题完整清晰，且未被指针遮挡。","start_frame":222,"end_frame":300,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[441.7,691.7,559.4,749.1],"positive_points":[[444.8,710.2],[460.4,716.7],[473.4,729.6],[495.3,730.6],[541.7,712.0],[553.1,716.7]],"negative_points":[[472.4,387.0],[578.6,756.5],[625.0,677.8],[414.1,730.6]],"evidence":"目标是浏览器面板下方独立的蓝色“keywords”标题，边界框仅覆盖整组字母。六个正点分布在标题不同字母的笔画上；负点位于面板内的表头、右下方指针、装饰横线及标题左侧背景，排除这些非目标内容。"}},{"name":"Backlinks title","description":"The independent blue title \"backlinks\" replaces \"keywords\" beneath the browser panel as the table changes to referring-page and backlink information.","membership":"Include only the letters of this title throughout their assembly. Exclude the browser panel, animated pointer, and nearby decorative marks.","id":"obj_010","temporal":{"status":"found","start_s":13.0,"end_s":16.0,"reference_s":14.5,"evidence":"目标是浏览器面板下方独立的蓝色“backlinks”标题，不含指针或装饰。13.00秒全部字母已完整出现，虽仍有位置变化但符合条件；前一帧12.75秒字母仍在组装、尚未完整揭示。最后一个合格采样帧为15.75秒，标题持续存在至视频结束16.00秒，无后续帧。选择14.50秒作为关键帧，标题清晰完整且无遮挡。","start_frame":312,"end_frame":384,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[442.7,691.7,558.3,737.0],"positive_points":[[445.8,707.4],[465.1,731.5],[477.1,715.7],[503.1,706.5],[521.4,716.7],[552.1,731.5]],"negative_points":[[493.8,601.9],[550.0,791.7],[625.0,677.8],[416.1,740.7]],"evidence":"目标是浏览器面板下方独立的蓝色“backlinks”标题。边界框紧贴整行文字，六个正点分布在不同字母的笔画上；负点位于浏览器面板、下方指针、旁侧装饰横线及标题外背景，均不属于标题。"}}]}
+{"video_id":122,"video_type":"visual design and media animation","targets":[{"name":"Red-black tree repair case table","description":"Wide, bordered table across the top with blue headers “Case”, “Condition”, and “Fix”. Its body changes from “4(Right-Right)” and rotation instructions to case “2” recoloring instructions, then case “0” with “Root is Red” and “Root to Black”.","membership":"Include the complete table surface, outer border, internal dividers, blue header cells, and all current cell text, including the body when empty. Exclude the tree diagram below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":58,"reference_s":0,"evidence":"目标是画面顶部带蓝色“Case / Condition / Fix”表头的宽边框表格。0.00秒首帧已完整呈现，至57.75秒末帧仍保留完整表面、外框及分栏；期间正文更替、淡出或留空不影响表格本体的连续存在。区间到达视频起点和终点，两端均无额外相邻帧。选择0.00秒作为关键帧，表格边界清晰、文字完整且无遮挡。","start_frame":0,"end_frame":1392,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[42.7,43.5,956.8,197.2],"positive_points":[[110,84],[360,82],[750,83],[105,158],[347,155],[755,157]],"negative_points":[[500,269],[630,407],[370,408],[110,225]],"evidence":"目标是图像顶部带蓝色“Case / Condition / Fix”表头的宽表格，当前内容为“4(Right-Right)”及对应修复说明。边界框紧贴完整表格外边框，包含表头、正文、分隔线和全部单元格表面。六个正点分布于三列表头及正文；负点位于下方树节点、NIL节点和表格外背景，排除树图。"}},{"name":"Animated red-black tree diagram","description":"Central node-and-arrow diagram initially showing red node 1 above black node 2 and red node 3, with a boxed “NIL” leaf and cyan role labels. It demonstrates a left rotation, insertion of node 4, and recoloring of the resulting tree.","membership":"Include the tree’s circular nodes and their enclosed numbers, connecting arrows, displayed NIL leaf, and associated G, P, N, U, and current-pointer annotations while present. Include node 4 once attached to the tree; its separately listed region remains part of this diagram. Exclude detached waiting nodes, the top table, and the later explanatory paragraph. Follow the individual graphic shapes and lettering rather than filling the empty space between branches.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":58,"reference_s":25,"evidence":"目标是中央由编号圆节点、连接箭头、NIL叶及G/P/N/U和current指针标注组成的红黑树；可连续追踪其左旋、接入节点4及重着色。首个合格帧为0.00秒，图形已完整建立；最后合格帧为57.75秒，树仍完整可见。区间到达视频两端，均无边界外采样帧。选择25.00秒 alm作为关键帧，此时四个节点和角色标注清晰、互无遮挡；不包括左侧待插入节点、顶部表格及后来出现的说明文字。","start_frame":0,"end_frame":1392,"reference_frame":600},"grounding":{"status":"found","bbox_xyxy":[344.8,224.1,752.1,590.7],"positive_points":[[358.3,411.1],[494.3,293.5],[618.2,410.2],[687.5,556.5],[411.5,387.0],[735.9,525.9]],"negative_points":[[83.3,384.3],[754.2,156.5],[504.2,481.5],[698.4,671.3]],"evidence":"目标是中央相连的红黑树，包含节点1、2、3、4、连接箭头及青色G、U、P、N标注；当前没有NIL叶框。边界框覆盖这些图形和文字，不含左侧待插入节点及顶部表格。六个正点分布于四个节点和U、N字形，负点位于左侧独立节点、顶部表格及树外背景。"}},{"name":"Waiting node 5","description":"Black circular node with a bright blue outline and white “5”, at the top of the detached column on the left.","membership":"Include the entire circular disk, its blue boundary, and the enclosed numeral. Exclude surrounding empty space and other nodes.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":58,"reference_s":0,"evidence":"目标是左侧 detached 节点列最上方的“5”：黑色圆盘、亮蓝色圆边及白色数字。首个合格帧为0.00秒，最后一个为57.75秒，期间持续完整可见。区间覆盖视频首尾，边界外没有采样帧。选择0.00秒为关键帧，目标清晰、无遮挡，且与其他节点分离。","start_frame":0,"end_frame":1392,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[58.33,340.74,108.33,428.7],"positive_points":[[83.33,344.44],[60.94,384.26],[105.73,384.26],[83.33,425],[82.29,379.63],[93.75,401.85]],"negative_points":[[83.33,523.15],[46.88,384.26],[119.79,384.26],[83.33,296.3]],"evidence":"目标是左侧独立节点列最上方的“5”节点。边界框紧贴整个黑色圆盘及亮蓝色外缘，包含白色数字。正点分布在圆周、盘内及数字上；负点位于圆外背景和下方的“6”节点。"}},{"name":"Waiting node 6","description":"Black circular node with a bright blue outline and white “6”, below node 5 on the left.","membership":"Include the entire circular disk, its blue boundary, and the enclosed numeral. Exclude surrounding empty space and other nodes.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":58,"reference_s":0,"evidence":"目标是画面左侧 node 5 下方的黑色圆盘，带亮蓝色边框和白色数字“6”。它从首帧 0.00 秒到末帧 57.75 秒始终完整可见，未出现淡出、移除或裁切。区间覆盖视频首尾，两端均无区间外采样帧。选择 0.00 秒作为关键帧，目标清晰且无遮挡，与其他节点容易区分。","start_frame":0,"end_frame":1392,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[58.33,478.7,108.33,567.59],"positive_points":[[60.42,523.15],[82.29,482.41],[105.73,523.15],[83.85,562.96],[77.08,512.04],[89.06,535.19]],"negative_points":[[83.33,384.26],[83.33,662.04],[125,523.15],[39.06,523.15]],"evidence":"目标是图像左侧节点5下方、节点7上方的蓝边黑色圆形节点，内有白色数字6。边界框紧贴整个圆盘及蓝色轮廓；正点分布在圆周、内部和数字区域，负点位于节点5、节点7及目标左右的外部背景。"}},{"name":"Waiting node 7","description":"Black circular node with a bright blue outline and white “7”, below node 6 on the left.","membership":"Include the entire circular disk, its blue boundary, and the enclosed numeral. Exclude surrounding empty space and other nodes.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":58,"reference_s":0,"evidence":"目标是左侧节点6下方、蓝色轮廓黑色圆盘内的白色“7”。从首帧0.00秒到末帧57.75秒均完整可见，持续存在，没有淡出或离场。区间覆盖视频起止，因此两端均无外侧采样帧。选择0.00秒作为关键帧，目标清晰、无遮挡，与相邻节点易于区分。","start_frame":0,"end_frame":1392,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[58.33,617.59,108.33,706.48],"positive_points":[[83.33,660.19],[71.35,647.22],[94.27,648.15],[93.75,682.41],[73.44,684.26],[59.9,662.96]],"negative_points":[[83.33,523.15],[83.33,800.93],[161.46,731.48],[125,658.33]],"evidence":"目标是图像左侧、节点6下方的蓝边黑色圆形节点7。边界框紧密覆盖完整圆盘、蓝色边界及白色数字；六个正点分布在数字、盘内和圆周上，四个负点位于节点6、8、4及目标右侧的外部背景。"}},{"name":"Inserted node 4","description":"Numbered circle initially detached near the lower left, to the right of the waiting column. Its black fill and blue outline change to red fill and a pale outline before it moves into the tree as node 3’s right child.","membership":"Include the moving circular disk, its boundary, and its enclosed white “4” throughout the appearance. Exclude connecting arrows, adjacent role labels, and other nodes, including any node temporarily overlapped during movement.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":58,"reference_s":12,"evidence":"目标是内含白色“4”的圆盘：0.00秒已完整显示于左下方、待插入节点列右侧，随后由黑底蓝边变为红底浅边，移动并成为节点3的右子节点，持续可见至57.75秒。区间覆盖视频首尾，两端均无额外采样帧。选择12.00秒作为关键帧，此时节点4完整清晰，与其他节点分离，便于排除连接箭头和邻近标签。","start_frame":0,"end_frame":1392,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[670.3,501.9,720.3,590.7],"positive_points":[[695.3,518.5],[679.7,536.1],[708.3,535.2],[684.9,563.9],[705.2,570.4],[696.9,546.3]],"negative_points":[[668.8,469.4],[630.2,407.4],[733.3,546.3],[695.3,625]],"evidence":"目标是树中节点3右下方的红色圆形节点4。边界框紧贴圆盘及浅色外边界，包含白色数字4，不含连接箭头。正点分布于圆盘内部和数字笔画；负点位于连接箭头、节点3以及目标右侧和下方的外部背景。"}},{"name":"Waiting node 8","description":"Black circular node with a bright blue outline and white “8”, at the bottom of the detached column on the left.","membership":"Include the entire circular disk, its blue boundary, and the enclosed numeral. Exclude surrounding empty space and other nodes.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":58,"reference_s":0,"evidence":"目标是左侧 detached 节点列最下方的蓝色边框黑色圆盘，内有白色“8”。首个合格帧为0.00秒，最后为57.75秒，整个期间均完整可见。区间覆盖视频首尾，边界外没有采样帧。选择0.00秒作为关键帧，因为圆盘、蓝色边框和 numeral 清晰且无遮挡，与其他节点分离。","start_frame":0,"end_frame":1392,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[58.3,756.5,108.3,845.4],"positive_points":[[82.8,792.6],[83.6,810.2],[68.8,800.9],[96.9,800],[80.2,768.5],[86.5,831.5]],"negative_points":[[83.3,661.1],[161.5,731.5],[48.4,800.9],[83.3,875]],"evidence":"目标是左侧分离节点列最下方、蓝色圆边内标有白色“8”的黑色节点。边框紧贴整个圆盘及蓝色边界；六个正点分布在圆盘内部和数字上，四个负点位于其他节点及目标外侧背景。"}},{"name":"Upward repair explanation","description":"Large multiline paragraph appearing below the tree: “The fixing process must be propagated upward, level by level, until it reaches the root node. If the root node turns red, it must be recolored to black.” The words “upward”, “red”, and “black” are colored for emphasis.","membership":"Include the complete paragraph’s lettering across all lines, including its colored words and punctuation. Exclude the adjacent robot illustration, tree graphics, waiting nodes, and background.","id":"obj_008","temporal":{"status":"found","start_s":54.25,"end_s":58.0,"reference_s":55.5,"evidence":"目标是树下方的完整多行说明段落，其中 upward、red、black 分别着色强调；不包括旁边的机器人。54.00 秒文字仍在淡入，54.25 秒首次完整清晰呈现；最后一个合格帧为 57.75 秒，文字一直保留至视频结束 58.00 秒，之后无采样帧。选择 55.50 秒作为关键帧，段落清晰、完整且无遮挡。","start_frame":1302,"end_frame":1392,"reference_frame":1332},"grounding":{"status":"found","bbox_xyxy":[161.5,581.5,629.2,786.1],"positive_points":[[178.1,601.9],[618,601.9],[165.1,656.5],[179.2,713],[552.6,716.7],[486.5,766.7]],"negative_points":[[265.6,453.7],[695.3,546.3],[83.3,662],[687.5,787]],"evidence":"目标是树下方的四行修复说明段落，包含彩色强调词 upward、red 和 black。边界框紧贴完整段落的文字及标点；六个正点分布于各行实际字形上，负点位于机器人、红色树节点、左侧等待节点及段落外背景。"}}]}
+{"video_id":123,"video_type":"visual design and media animation","targets":[{"name":"Undirected graph with seven labeled vertices","description":"The initial left-hand graph has yellow, teal-outlined vertices labeled X, P, Q, N, M, Y, and Z. Its edges form the chain X–P–Q–M–N and the separate pair Y–Z; an additional P–N edge is subsequently drawn.","membership":"Includes all seven circular vertices, their enclosed labels and yellow interiors, and the teal connecting edges, including the developing P–N edge. Follows the actual circles and connecting strokes without filling the spaces between them. Excludes the set notation on the right and the background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":21.5,"reference_s":6,"evidence":"目标是左侧由黄色、青色轮廓的 X、P、Q、N、M、Y、Z 七个顶点及连接边组成的无向图，包含随后绘制的 P–N 边，不包含右侧集合文字。首个合格帧为0.00秒，视频起点之前无采样帧；最后合格帧为21.25秒。21.50秒图已被元素/父节点/秩表格替换。选择6.00秒为关键帧，此时七个顶点及新增P–N边均清晰完整、无遮挡。","start_frame":0,"end_frame":516,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[88.4,144.1,587.5,856.0],"positive_points":[[114,235],[305,196],[563,487],[491,800],[116,608],[277,808]],"negative_points":[[668,413],[753,590],[53,486],[368,930]],"evidence":"目标是左侧由七个黄色、青蓝色描边圆形顶点组成的无向图。边界框紧密覆盖全部顶点、内部字母及连接边，包括P–N边。六个正点分布在X、P、N、M、Y、Z顶点内部；负点位于右侧集合文字和图外背景，不包含圆内区域或连接边。"}},{"name":"Connected-component set notation","description":"The right-hand text block initially lists {X,P,Q}, {Y,Z}, and {N,M}. It updates to list {X,P,Q,N,M} and {Y,Z}.","membership":"Includes the black letters, commas, and braces in the continuously updated set list. Excludes the adjacent graph, background, and temporary blue emphasis rectangles.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":21.5,"reference_s":3,"evidence":"目标是右侧黑色集合列表，最初为 {X,P,Q}、{Y,Z}、{N,M}，随后连续更新为 {X,P,Q,N,M} 和 {Y,Z}；不包括蓝色强调框。首个合格帧为 0.00 秒，已完整呈现，视频起点前无采样帧。最后合格帧为 21.25 秒；21.50 秒已切换为 Elements 表格，集合列表消失。选择 3.00 秒作为关键帧，文字完整清晰，无蓝框干扰，与左侧图明确分离。","start_frame":0,"end_frame":516,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[628.9,378.5,933.6,632.8],"positive_points":[[667.5,415.8],[716.3,414.9],[771.5,411.5],[884.3,413.2],[752.4,592.9],[807.6,585.1]],"negative_points":[[548.8,498.3],[407.7,499.1],[957,509.5],[778.3,309.9]],"evidence":"目标是右侧两行黑色集合列表“{X,P,Q,N,M}”和“{Y,Z}”。边界框覆盖两行全部字母、逗号和花括号；六个正点分布在两行的字母笔画上，负点位于左侧图节点及文字块上方、右侧的外部背景，排除了相邻图结构。"}},{"name":"Elements, parent, and rank table","description":"The later upper graphic is a black-outlined, seven-column table with row labels Elements:, Parent:, and Rank:. The elements and parents are A through G, and every rank is 0.","membership":"Includes the table grid, its enclosed cell surfaces and contents, and the three row labels immediately to its left. Excludes the yellow vertices presented below it and the surrounding background.","id":"obj_003","temporal":{"status":"found","start_s":22.5,"end_s":60.0,"reference_s":23.0,"evidence":"目标是上方黑色七列表格，包括左侧 Elements:、Parent:、Rank: 标签；前两行内容为 A 至 G，末行为 0。22.5 秒首次完整呈现，前一帧 22.25 秒的 Rank: 标签及末行仍在揭示。目标持续存在至最后采样帧 59.75 秒，区间延续到视频结尾 60.0 秒，无后续帧。选择 23.0 秒，表格和三行标签清晰完整，且下方尚无黄色 vertices 干扰。","start_frame":540,"end_frame":1440,"reference_frame":552},"grounding":{"status":"found","bbox_xyxy":[127,85,886.3,356],"positive_points":[[132,126],[132,218],[132,304],[347,132],[594,221],[843,309]],"negative_points":[[610,45],[600,410],[90,225],[920,222]],"evidence":"目标为上方七列表格，元素与父节点均为 A 至 G，秩均为 0。边界框紧密覆盖表格外框、全部单元格及左侧 Elements:、Parent:、Rank: 三个行标签。正点分布于三个标签的字形和表格内不同位置；负点位于目标上、下、左、右的外部背景。"}},{"name":"Standalone A vertex","description":"The leftmost yellow, teal-outlined circle beneath the table is revealed first and then labeled A.","membership":"Includes the complete circular boundary, yellow interior, and enclosed A label throughout its reveal. Excludes the table and neighboring vertices.","id":"obj_004","temporal":{"status":"found","start_s":24.75,"end_s":60.0,"reference_s":26.0,"evidence":"目标是表格下方最左侧、黄色填充且��青蓝色圆边的 A 顶点。24.5 秒圆形已出现，但 A 标签尚未揭示；24.75 秒圆边、内部和 A 标签均完整，首次符合条件。此后持续可见，最后符合帧为 59.75 秒，区间延续至视频 60.0 秒结束，之后无采样帧。选取 26.0 秒，目标清晰无遮挡，与相邻 B 顶点容易区分。","start_frame":594,"end_frame":1440,"reference_frame":624},"grounding":{"status":"found","bbox_xyxy":[74.7,507.8,155.8,651.1],"positive_points":[[114,514],[88,557],[115,580],[139,577],[103,626],[127,637]],"negative_points":[[50,570],[115,477],[115,685],[247,579]],"evidence":"目标是表格下方最左侧、标有 A 的黄色圆形顶点。边界框紧贴完整圆形，包含青色边框、黄色内部和 A 标签。正点分布在边框、内部及字母上；负点位于圆外背景和右侧相邻的 B 顶点上。"}},{"name":"Standalone B vertex","description":"The second isolated yellow, teal-outlined circle from the left beneath the table is labeled B.","membership":"Includes the complete circular boundary, yellow interior, and enclosed B label. Excludes the table and neighboring vertices.","id":"obj_005","temporal":{"status":"found","start_s":24.75,"end_s":60.0,"reference_s":25.5,"evidence":"目标是表格下方从左数第二个独立顶点：青蓝色完整圆边、黄色内部及字母B。24.75秒首次完整呈现；前一帧24.5秒尚无B顶点。此后持续可见，最后合格帧为59.75秒，区间延伸至视频结束60秒，无界外后续帧。选择25.5秒作关键帧，B顶点完整清晰且无遮挡，与邻近顶点容易区分。","start_frame":594,"end_frame":1440,"reference_frame":612},"grounding":{"status":"found","bbox_xyxy":[207,508,288,651],"positive_points":[[227,553],[238,578],[270,563],[268,611],[239,635],[210,581]],"negative_points":[[115,580],[380,580],[330,580],[247,460]],"evidence":"目标是表格下方从左数第二个、标有 B 的独立圆形顶点。边界框紧贴完整圆形，包含青色轮廓、黄色内部和 B 标签。正点分布在轮廓、内部及字母笔画上；负点位于相邻 A、C 顶点和圆外背景，不包含表格或其他顶点。"}},{"name":"Standalone C vertex","description":"The third isolated yellow, teal-outlined circle from the left beneath the table is labeled C.","membership":"Includes the complete circular boundary, yellow interior, and enclosed C label. Excludes the table and neighboring vertices.","id":"obj_006","temporal":{"status":"found","start_s":25.0,"end_s":60.0,"reference_s":26.0,"evidence":"目标是表格下方从左数第三个独立的黄色、青蓝色边框圆形及其 C 标签。24.75 秒该圆内尚未出现 C，25.00 秒圆形与 C 均已完整呈现；随后持续可见，最后合格帧为 59.75 秒。区间延伸至视频结尾 60.00 秒，无后续帧。选择 26.00 秒为关键帧，目标完整清晰、无遮挡，且与邻近顶点容易区分。","start_frame":600,"end_frame":1440,"reference_frame":624},"grounding":{"status":"found","bbox_xyxy":[339.84,507.81,420.41,651.04],"positive_points":[[380.86,513.02],[349.61,570.31],[408.2,564.24],[397.46,619.79],[365.23,625],[369.14,579.86]],"negative_points":[[247.56,581.6],[512.7,579.86],[380.86,466.15],[380.37,689.24]],"evidence":"目标是表格下方从左数第三个、标有 C 的独立圆形顶点。边界框紧贴完整圆形，包含青色轮廓、黄色内部和 C 标签。正点分布于轮廓、黄色区域及字母笔画；负点位于相邻 B、D 顶点和目标上下方的外部背景。"}},{"name":"Standalone D vertex","description":"The middle isolated yellow, teal-outlined circle beneath the table is labeled D.","membership":"Includes the complete circular boundary, yellow interior, and enclosed D label. Excludes the table and neighboring vertices.","id":"obj_007","temporal":{"status":"found","start_s":25.0,"end_s":60.0,"reference_s":25.5,"evidence":"目标是表格下方从左数第四个、标有 D 的独立黄色圆形节点，具有完整青蓝色轮廓。首个合格帧为25.00秒；前一帧24.75秒尚未出现D节点。它持续完整可见至最后一帧59.75秒，区间延伸至视频末尾60.00秒，无后续帧。选择25.50秒作为关键帧，此时D节点轮廓和字母清晰、无遮挡，易与相邻节点区分。","start_frame":600,"end_frame":1440,"reference_frame":612},"grounding":{"status":"found","bbox_xyxy":[472.2,507.8,552.7,651.0],"positive_points":[[511.7,513.0],[482.4,554.7],[530.8,546.9],[507.8,586.8],[496.6,621.5],[549.3,579.9]],"negative_points":[[380.0,580.0],[645.0,580.0],[512.0,467.0],[512.0,695.0]],"evidence":"目标是表格下方居中的独立 D 顶点。边界框紧贴完整圆形，包含青色外边界、黄色内部及 D 标签。六个正点分布在圆周、黄色区域和标签上；负点位于相邻 C、E 顶点及目标上下方的外部背景。"}},{"name":"Standalone E vertex","description":"The fifth isolated yellow, teal-outlined circle from the left beneath the table is labeled E.","membership":"Includes the complete circular boundary, yellow interior, and enclosed E label. Excludes the table and neighboring vertices.","id":"obj_008","temporal":{"status":"found","start_s":25.25,"end_s":60.0,"reference_s":25.5,"evidence":"目标是表格下方从左数第五个独立顶点，具有青蓝色圆边、黄色内部及 E 标签。25.00 秒时该圆仍在绘制，25.25 秒首次完整呈现；此后持续可见至最后采样帧 59.75 秒，因此区间结束于 60.0 秒，视频末尾无后续帧。选择 25.5 秒作为关键帧，目标完整清晰、无遮挡，易于与邻近顶点区分。","start_frame":606,"end_frame":1440,"reference_frame":612},"grounding":{"status":"found","bbox_xyxy":[604.5,507.8,685.1,651.1],"positive_points":[[607,578],[643,513],[680,593],[628,546],[660,625],[638,580]],"negative_points":[[512,580],[777,580],[644,472],[645,687]],"evidence":"目标是表格下方从左数第五个、标有 E 的独立圆形顶点。边界框紧贴其完整青色圆边，包含黄色内部和 E 标签。正点分布于圆边、黄色区域及字母笔画；负点位于相邻 D、F 顶点及目标上下方的外部背景。"}},{"name":"Standalone F vertex","description":"The second isolated yellow, teal-outlined circle from the right beneath the table is labeled F.","membership":"Includes the complete circular boundary, yellow interior, and enclosed F label. Excludes the table and neighboring vertices.","id":"obj_009","temporal":{"status":"found","start_s":25.25,"end_s":60.0,"reference_s":25.5,"evidence":"目标是表格下方、从右数第二个标有 F 的独立黄色圆点，具有完整青蓝色圆边。25.25 秒首次完整显示圆边、填色和 F 标签；前一帧 25.00 秒尚未出现 F 圆点。此后持续可见至最后采样帧 59.75 秒，因此结束时间为 60.0 秒，视频结束后无相邻帧。选择 25.50 秒为关键帧，此时七个顶点均已出现，F 的位置清晰且无遮挡。","start_frame":606,"end_frame":1440,"reference_frame":612},"grounding":{"status":"found","bbox_xyxy":[736.8,507.8,817.9,651.0],"positive_points":[[771.5,530.4],[747.1,572.0],[774.4,624.1],[814.0,577.3],[778.8,513.0],[771.5,568.6]],"negative_points":[[645.0,580.7],[909.2,580.7],[776.0,469.6],[776.9,694.4]],"evidence":"目标是表格下方从右数第二个、标有 F 的独立圆形顶点。边界框紧贴其完整青色圆边，包含黄色内部和 F 标签；正点分布于圆边、黄色区域及字母笔画，负点位于相邻 E、G 顶点和目标上下方的外部背景。"}},{"name":"Standalone G vertex","description":"The rightmost isolated yellow, teal-outlined circle beneath the table is labeled G.","membership":"Includes the complete circular boundary, yellow interior, and enclosed G label. Excludes the table and neighboring vertices.","id":"obj_010","temporal":{"status":"found","start_s":25.5,"end_s":60.0,"reference_s":25.5,"evidence":"目标是表格下方最右侧、标有 G 的独立黄色圆点，具有完整青蓝色圆框。25.50 秒首次完整出现；前一帧 25.25 秒仅显示 A 至 F，G 尚未出现。目标持续完整可见至最后一帧 59.75 秒，区间延伸至视频结束 60.00 秒，之后无采样帧。选择 25.50 秒作关键帧，因为圆框及 G 标签清晰、无遮挡，且与邻近 F 圆点分离。","start_frame":612,"end_frame":1440,"reference_frame":612},"grounding":{"status":"found","bbox_xyxy":[868.7,507.8,950.2,651.0],"positive_points":[[908.2,521.7],[878.9,564.2],[888.7,612.8],[908.2,583.3],[930.2,604.2],[940.9,555.6]],"negative_points":[[777,580],[843,218],[973,580],[910,466]],"evidence":"目标是表格下方最右侧标有 G 的独立圆形顶点。边界框紧贴完整圆形，包含青色外边、黄色内部及 G 标签。正点分布在圆内不同部位；负点位于相邻 F 顶点、表格中的 G 以及目标上方和右侧的外部背景。"}}]}
+{"video_id":124,"video_type":"visual design and media animation","targets":[{"name":"Longest common subsequence table","description":"White-lined grid in the upper center, with column labels “a b c d e f” and row labels “a a c f”. Its top row and leftmost column contain zeros. The animation fills cells with ones and uses colored cell fills to demonstrate comparisons and dependencies.","membership":"Includes the complete grid boundary, all cell interiors, numbers, animated cell fills, and the associated row and column labels. Excludes the overlaid red and green emphasis outlines around letters and the explanation panel below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":18,"evidence":"目标为上方中央的白线网格，列标签为 a b c d e f，行标签为 a a c f，包含零、逐步填入的数字和彩色单元格。首帧 0.00 秒已完整建立，末帧 24.75 秒仍完整存在；中间仅内部数字及填色变化，不影响表格的连续身份。区间覆盖视频全长，两端均无边界外采样帧。选择 18.00 秒为关键帧，因为网格、标签和数字清晰，彩色填充已消退，便于区分表格与字母强调框及下方说明面板。","start_frame":0,"end_frame":600,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[274.4,60.8,725.6,664.9],"positive_points":[[393.6,92.0],[283.2,619.8],[634.8,186.6],[516.6,292.5],[448.7,496.5],[690.4,616.3]],"negative_points":[[693.4,54.7],[270.0,294.3],[781.3,381.9],[488.3,823.8]],"evidence":"目标是上方中央带有 a 至 f 列标签、a a c f 行标签及零和一的白线表格。边界框覆盖完整网格、单元格内部和关联标签；红色强调框与下方说明面板不属于目标。正点分布于标签、数字和不同位置的单元格内部；负点位于两个红色强调框、右侧外部背景及下方说明面板。"}},{"name":"Recurrence explanation panel","description":"Wide black panel with a thin yellow border below the table. Its two-line white explanation updates from “Characters don't match: a ≠ b” and “Take max of left and top cells” through subsequent comparisons, eventually showing “Characters match: a = a” and “Take diagonal value + 1”.","membership":"Includes the yellow outer border, enclosed black surface, and all explanatory text as it updates. Excludes the table and surrounding dark background.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标是表格下方的宽黑色说明面板，包含细黄色边框及两行白色解释文字。首个合格帧为0.00秒，边框与黑色表面已完整建立；最后合格帧为24.75秒，面板仍完整可见。期间文字随比较更新，未中断面板的连续存在。区间覆盖视频首尾，两端均无额外相邻采样帧。选择0.00秒作为关键帧，因为面板轮廓清楚、文字完整且无遮挡。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[112.3,764.8,887.7,939.2],"positive_points":[[151,818],[213,817],[467,877],[710,818],[851,895],[594,920]],"negative_points":[[456,294],[79,855],[925,859],[503,969]],"evidence":"目标是表格下方带细黄色边框的宽黑色说明面板，内有两行白色递推说明。边界框覆盖完整黄框、黑色底面及全部文字；正点分布于面板底面和文字，负点位于上方表格及面板外的深灰背景。"}}]}
+{"video_id":125,"video_type":"visual design and media animation","targets":[{"name":"Operations panel","description":"The pale-blue, blue-bordered panel on the left headed “Operations.” It contains the minimum-degree selector set to “t = 3 (2-5 keys),” insertion, search and deletion controls, and the “Quick Actions” buttons.","membership":"Include the panel’s visible surface, outer border, heading, labels, fields, buttons, and other contents within its boundary, including the partially revealed “B-Tree Information” section. Exclude the separate visualization area and surrounding page.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":14,"evidence":"目标是左侧标题为“Operations”的浅蓝底、蓝色边框面板，包含最小度数选择器、插入/搜索/删除控件及 Quick Actions 按钮。首个合格帧为0秒，末个为24.75秒；期间面板持续存在，滚动仅改变显示位置及底部“B-Tree Information”的露出范围。区间覆盖视频首尾，两端均无额外采样帧。选择14秒作为关键帧，此时标题和主要控件清晰，底部信息区部分可见，便于与右侧可视化区区分。","start_frame":0,"end_frame":600,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[13.02,86.11,260.42,1000],"positive_points":[[95,141],[80,277],[103,427],[209,546],[132,783],[140,984]],"negative_points":[[273,490],[571,474],[130,65],[423,860]],"evidence":"目标是左侧标题为“Operations”的浅蓝色蓝框面板。边界框覆盖其可见外框及全部内部内容，下沿截于图像底部，包含部分露出的“B-Tree Information”。正点分布在标题、选择器、输入框、搜索按钮、快捷操作和底部信息区域；负点位于面板外的页面空隙及右侧独立可视化区域。"}},{"name":"Insert Key control","description":"The operated input-and-button row beneath “Insert Key” in the Operations panel. Its numeric value changes from 43 through lower values as 40, 39, and 38 are inserted using the blue “Insert” button.","membership":"Include the “Insert Key” label and its icon, numeric input with its border and native stepper arrows, and adjacent “Insert” button. Exclude surrounding panel surface, other operation rows, the cursor, and temporary focus or hover effects.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":6.25,"evidence":"目标是 Operations 面板中“Insert Key”图标及标签、数字输入框（含边框和原生步进箭头）与右侧蓝色 Insert 按钮。该组合从首帧 0.00 秒到末帧 24.75 秒始终完整可见；数值改变、按钮暂时禁用及页面滚动不改变其身份。区间已覆盖视频首尾，两端均无额外相邻帧。选择 6.25 秒作为关键帧，此时标签、输入值 40、步进箭头及按钮结构清晰，便于排除周围面板和其他操��行。","start_frame":0,"end_frame":600,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[29.69,424.07,243.75,512.04],"positive_points":[[36.46,433.33],[63.54,435.19],[44.27,483.33],[111.98,489.81],[159.9,479.63],[211.46,486.11]],"negative_points":[[130.21,430.56],[255.21,483.33],[209.9,602.78],[83.33,334.26]],"evidence":"目标是 Operations 面板中显示数值 40 的 Insert Key 控件。边界框覆盖标签及图标、输入框边框与步进箭头、右侧蓝色 Insert 按钮，不含光标和外侧焦点光晕。六个正点分布于这些组成部分；负点位于周围面板空白、Search 按钮及上方最小度数控件。"}},{"name":"B-tree diagram","description":"The blue node-and-link graphic in the visualization area. Initially its root contains 48 and 51 above three leaf nodes. Insertions expand the left leaf, and the final split produces a root containing 43, 48, and 51 above four leaves. Dark address tags appear beneath the nodes.","membership":"Include all node boxes with their enclosed key cells, numbers, borders, connecting lines, address tags, and attached root label. Follow the individual boxes and open connecting lines, excluding empty space between branches, the surrounding canvas, its frame, the section heading, and temporary glow effects.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":22,"evidence":"目标是可视化区域内的蓝色B树节点、连线及深色地址标签：起初根节点为48、51，插入后左叶扩展，最终根节点变为43、48、51并连接四个叶节点。首个合格帧为0秒，最后为24.75秒；期间图形始终完整可见，内容更新和位置移动不构成中断。区间覆盖视频首尾，两侧均无额外采样帧。选择22秒作为关键帧，因为最终树结构清晰，地址标签及附属root标签可见，且无分裂提示面板遮挡。","start_frame":0,"end_frame":600,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[312,221.3,708.9,391.7],"positive_points":[[473,251],[357,341],[455,340],[536,341],[648,341],[504,292]],"negative_points":[[580,471],[748,327],[372,139],[212,425]],"evidence":"目标是根节点含43、48、51、下接四个叶节点的蓝色B树图。边界框覆盖所有节点框、键值、连接线、深色地址标签及root标签，不含外围光晕。正点分布在根节点、四个叶节点和地址标签上；负点位于图外画布、章节标题及左侧操作按钮上。"}},{"name":"Operation Status panel","description":"The blue-bordered white feedback box below the tree, headed “Operation Status.” Its success message updates from “Inserted key 43 (1 split performed)” to confirmations for 40, 39, and finally “Inserted key 38 (1 split performed).”","membership":"Include the box’s surface, border, heading, status icon, and current message. Retain the same extent relative to the box as it moves with scrolling or layout changes. Exclude the tree canvas and surrounding visualization container.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":20.25,"reference_s":14,"evidence":"目标是树画布下方标题为“Operation Status”的蓝边白色反馈框，包含成功图标及随操作更新的消息。首个合格帧为0.00秒，框体已完整显示；最后合格帧为20.00秒。20.25秒布局变化将该框推至画面底部并裁切，因此结束此次连续出现。视频起点之前没有采样帧。选择14.00秒为关键帧，此时框体、标题、图标和消息均清晰完整，且与上方树画布边界分明。","start_frame":0,"end_frame":486,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[297.9,797.2,960.4,893.5],"positive_points":[[356,829],[317,861],[374,862],[484,842],[689,855],[913,870]],"negative_points":[[594,749],[814,930],[976,847],[213,836]],"evidence":"目标是树画布下方、标题为“Operation Status”的蓝边白色反馈框，当前消息为“Inserted key 39”。边界框紧贴反馈框外缘，包含表面、边框、标题、成功图标和消息。正点分布在标题、图标、消息及框内表面；负点位于上方树画布、下方及右侧外围区域和左侧操作按钮，均不属于目标。"}},{"name":"Node Splitting explanation","description":"The temporarily displayed yellow-bordered panel above the tree headed “Node Splitting.” It shows a blue “[38|39|40]” box, a yellow “[43]” box, and a green “[44|46]” box linked by outward arrows.","membership":"Include the complete panel surface and boundary, its heading and icon, all three enclosed value boxes, and the arrows between them. Exclude the separate B-tree diagram below and the operation controls to the left.","id":"obj_005","temporal":{"status":"found","start_s":20.25,"end_s":21.25,"reference_s":20.5,"evidence":"目标是树图上方黄色边框的“Node Splitting”说明面板，包含标题及图标、蓝色[38|39|40]、黄色[43]、绿色[44|46]和向外箭头。首次完整出现于20.25秒，最后 qualifying 帧为21.00秒；前一帧20.00秒尚无该面板，后一帧21.25秒面板已消失，显示更新后的树图。选择20.50秒作为关键帧，面板结构完整、文字清楚且无遮挡。","start_frame":486,"end_frame":510,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[297.9,200,960.4,355.6],"positive_points":[[348.4,243.5],[631.3,235.2],[543.8,294.4],[637.6,295.4],[721.6,295.4],[904.2,317.6]],"negative_points":[[506.8,422.2],[630.2,514.8],[209.9,424.1],[396.4,139.8]],"evidence":"根据“Node Splitting”标题、黄色边框及三组数值框和向外箭头确定目标。边界框紧贴完整说明面板，包含面板表面、标题图标、数值框及箭头。六个正点分布于面板表面、标题和三个数值框；负点位于下方独立B树、左侧操作按钮及上方可视化标题，均不属于该面板。"}}]}
+{"video_id":126,"video_type":"visual design and media animation","targets":[{"name":"Linear probing title","description":"Large white heading reading \"Hashing : Linear Probing\" across the upper left.","membership":"Includes only the heading's lettering and punctuation; excludes the green background and nearby hash-table heading.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标是左上方白色大标题“Hashing : Linear Probing”，仅包括其字母和标点，不含右侧“Hash Table”。标题从首帧0.00秒到末帧37.75秒始终完整可见，无淡入、淡出或遮挡，故区间为[0,38)。区间覆盖视频起止，边界外无采样帧。选择0.00秒作关键帧，标题清晰完整，便于空间标注。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[48.4,53.7,671.9,149.1],"positive_points":[[52.6,97.2],[147.4,91.7],[275.5,120.4],[305.7,107.4],[480.7,96.3],[656.8,138.9]],"negative_points":[[803.6,95.4],[692.7,107.4],[390.6,194.4],[80.7,277.8]],"evidence":"目标是图像左上方的大号白色标题“Hashing : Linear Probing”。边界框紧贴整段标题的字母及冒号，包含下伸笔画。六个正点分布在标题各部分的实际笔画上；负点位于标题外的绿色背景、右侧“Hash Table”标题和下方“Search”文字处。"}},{"name":"Hash Table heading","description":"White \"Hash Table\" text above the vertical table on the right.","membership":"Includes only the heading text; excludes the table, its contents, and index labels below.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标是右侧竖直表格上方的白色“Hash Table”标题，仅包含文字。首个合格帧为0.00秒，最后为37.75秒；整个采样序列中标题始终完整清晰可见。区间覆盖视频首尾，边界外没有采样帧。选择0.00秒作为关键帧，标题无遮挡，且与下方表格和索引明确分离。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[764.6,73.1,910.9,113.9],"positive_points":[[766.7,92.6],[786.5,100.9],[817.7,88.0],[846.9,97.2],[874.5,77.8],[906.8,108.3]],"negative_points":[[802.1,148.1],[904.2,188.9],[835.9,50.9],[744.8,94.4]],"evidence":"目标是右侧竖直哈希表上方的白色“Hash Table”标题。边界框紧贴整段标题文字；六个正点分布在不同字母的笔画上，负点位于标题外的绿色背景、下方表格边框及索引数字处。"}},{"name":"Hash table diagram","description":"Tall navy-bordered column of ten white slots, indexed 0 through 9 on the right. Initially contains 34, 25, and 99; subsequently receives 54 at index 6 and 88 at index 8.","membership":"Includes the complete table surface, outer border, internal dividers, slot contents, and associated index labels. Excludes the separate heading and temporary red emphasis outlines.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标是右侧深蓝边框、十个白色槽位及右侧0—9索引构成的哈希表，不含标题和临时红色强调框。首个合格帧为0.00秒，末个为37.75秒；期间表格结构持续完整，新增54和88仅改变槽位内容。区间覆盖视频全长，两端均无边界外采样帧。选择0.00秒作为关键帧，表格及索引清晰完整，且无红色强调框干扰。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[796.9,144.4,912.5,952.8],"positive_points":[[833,183],[828,418],[836,510],[839,670],[838,909],[903,735]],"negative_points":[[823,94],[770,556],[938,648],[559,327]],"evidence":"目标为右侧十格竖直哈希表，当前含34、25和99。边界框覆盖完整表面、藏蓝外框、分隔线、格内数字及右侧0至9索引，不含上方标题。正点分布在不同高度的单元格及索引7上；负点位于独立标题、表外绿色背景和左侧搜索键区域。"}},{"name":"Search Keys label","description":"White two-line label reading \"Search Keys\" to the left of the horizontal key array.","membership":"Includes both lines of text only; excludes the adjacent array and background.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标是水平键值数组左侧的白色两行文字“Search Keys”，仅包含这两行文字。它在首帧0.000秒已完整呈现，并连续保持可见至末帧37.750秒，因此区间为[0,38)。区间两端均到达视频边界，没有更早或更晚的采样帧。选择0.000秒作为关键帧，文字清晰完整、无遮挡，且与右侧数组易于区分。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[28.6,257.4,120.8,379.6],"positive_points":[[34.4,264.8],[52.1,280.6],[108.9,279.6],[32.8,349.1],[53.1,354.6],[83.9,364.8]],"negative_points":[[15.6,314.8],[98.9,416.7],[131.3,296.3],[171.9,351.9]],"evidence":"目标是横向键值数组左侧的白色两行文字“Search Keys”。边界框紧贴两行文字的完整范围；六个正点分布在两行的字母笔画上，负点位于文字外围绿色背景及右侧数组内，排除数组和背景。"}},{"name":"Search-key array","description":"Horizontal navy-bordered row of eight white cells containing 25, 34, 99, 54, 88, 95, 47, and 48. The active key changes from red 54 to red 88.","membership":"Includes the entire rectangular array, its border, dividers, white cell surfaces, and all enclosed numbers. Excludes the separate label and the arrow below.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标为包含25、34、99、54、88、95、47、48的横向八格白底深蓝边框数组，不包括左侧标签及下方箭头。首帧0.00秒已完整呈现，至最后采样帧37.75秒持续存在；54与88的红色高亮变化不改变数组身份。区间覆盖视频全长，两端均无边界外采样帧。选择0.00秒作为关键帧，数组边框、分隔线及数字清晰且无遮挡。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[144.79,271.3,593.23,381.48],"positive_points":[[175,325],[231,347],[287,305],[340,326],[453,330],[563,345]],"negative_points":[[77,284],[343,455],[625,327],[363,222]],"evidence":"目标是横向排列的八格搜索键数组，数字依次为25、34、99、54、88、95、47、48，其中54为红色。边界框紧贴数组外沿，覆盖海军蓝边框、分隔线、白色格面及全部数字。六个正点分布于数组不同单元格内；负点位于左侧独立标签、下方箭头以及数组外的绿色背景。"}},{"name":"Active-key arrow","description":"Solid red upward-pointing arrow beneath the key array, initially pointing to 54 and later moving beneath 88.","membership":"Includes the arrowhead and shaft, following their actual joined outline; excludes surrounding background, array cells, and parameter text.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标为键数组下方的实心红色向上箭头，箭头与箭杆相连，最初指向54，随后移至88下方。首个合格帧为0.00秒，末个为37.75秒；全过程结构完整可见，移动不打断连续出现。区间覆盖视频首尾，两端均无界外采样帧。选择0.00秒作为关键帧，箭头轮廓清晰、无遮挡，与数组和参数文字易于区分。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[326.6,394.4,359.4,498.2],"positive_points":[[342.7,404.6],[333.9,417.6],[351,417.6],[339.6,437],[346,460.2],[339.6,487]],"negative_points":[[313,450],[370,459],[340,329],[421,475]],"evidence":"目标是键数组中“54”下方的红色向上箭头。边界框紧贴箭头头部与竖直箭杆的完整轮廓；六个正点分布在箭头尖端、两侧及箭杆上，四个负点位于两侧绿色背景、上方数组单元和右侧参数文字处。"}},{"name":"Current hashing parameters","description":"Red two-line parameter block initially reading \"k = 54\" and \"n = 10\" beneath the array. It later shifts right and updates to \"k = 88\" with \"n = 10\".","membership":"Includes both parameter lines as one text block throughout its movement and update. Excludes the arrow, array, and formula text below.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":38,"reference_s":0,"evidence":"目标是数组下方红色的两行参数文字，初始为“k = 54”“n = 10”，之后向右移动并更新为“k = 88”“n = 10”；不包括箭头和下方公式。首个合格帧为0.00秒，末个为37.75秒，两行文字均完整可见，移动和更新未中断该目标的连续出现。区间到达视频两端，之前和之后均无采样帧。选择0.00秒作为关键帧，参数块清晰完整、无遮挡，易与邻近元素区分。","start_frame":0,"end_frame":912,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[416.7,454.6,498.4,566.7],"positive_points":[[419.8,474.1],[468.8,460.9],[492.2,481.5],[419.8,554.6],[473.4,548.1],[495.3,547.2]],"negative_points":[[342.7,461.1],[382.3,644.4],[342.2,327.8],[556.8,525.9]],"evidence":"目标是数组下方红色的两行参数“k = 54”和“n = 10”。边界框紧密覆盖两行完整文字，六个正点分布在两行字形笔画上；负点位于左侧箭头、上方数组、下方公式及右侧绿色背景，均不属于参数块。"}},{"name":"Hash function definition","description":"Red text reading \"Hash Function: k mod n\" below the key array.","membership":"Includes only this complete text line; excludes the parameter block and numerical evaluations.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":20.25,"reference_s":0,"evidence":"目标是键数组下方完整的红色文字“Hash Function: k mod n”，不包含参数块及数值计算式。首个合格帧为0.00秒，最后为20.00秒；20.25秒该文字行已消失，因此结束于20.25秒。目标在视频开始时已完整显示，之前没有采样帧。选择0.00秒作为关键帧，文字清晰、无遮挡，且下方尚无数值计算式干扰。","start_frame":0,"end_frame":486,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[158.3,625,481.3,665.7],"positive_points":[[161,648.1],[237.5,649.1],[314.1,649.1],[375,644.4],[453.1,638],[469.3,651.9]],"negative_points":[[427.1,475.9],[476.6,549.1],[138,646.3],[322.9,704.6]],"evidence":"目标是键数组下方的红色单行文字“Hash Function: k mod n”。边界框紧贴整行文字，正点分布在各部分的字形笔画上；负点位于上方参数块及文字左侧、下方的绿色背景，不包含文字内部空隙。"}},{"name":"Hash evaluation for 54","description":"Red equation \"54 % 10 = 4\" displayed beneath the hash-function definition during the insertion of 54.","membership":"Includes the equation's numbers and mathematical symbols only; excludes the definition above and the table.","id":"obj_009","temporal":{"status":"found","start_s":2.25,"end_s":20.25,"reference_s":3.0,"evidence":"目标是哈希函数定义下方的红色算式“54 % 10 = 4”，仅包含数字和数学符号。首个完整可见帧为2.25秒，最后一个符合条件的帧为20.0秒；此前2.0秒尚未出现该算式，此后20.25秒已切换到88的插入阶段且该算式消失。选择3.0秒为关键帧，算式完整清晰、无遮挡，与上方定义和右侧表格易于区分。","start_frame":54,"end_frame":486,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[309.9,718.5,483.9,764.8],"positive_points":[[316.1,724.1],[338.5,750],[370.3,742.6],[402.6,740.7],[442.7,736.1],[475.5,750]],"negative_points":[[389.1,647.2],[459.4,545.4],[837.5,586.1],[397.9,817.6]],"evidence":"目标是哈希函数定义下方的红色算式“54 % 10 = 4”。边界框紧贴完整算式，正点分布在数字和数学符号的笔画上；负点位于上方定义、参数文字、右侧哈希表及算式下方绿色背景，均不属于目标。"}},{"name":"Hash evaluation for 88","description":"Red equation \"88 % 10 = 8\" presented beneath the hash-function definition after the demonstration advances to 88.","membership":"Includes the equation's numbers and mathematical symbols only; excludes the definition above and the table.","id":"obj_010","temporal":{"status":"found","start_s":26.25,"end_s":38.0,"reference_s":26.5,"evidence":"目标是哈希函数定义下方的红色算式“88 % 10 = 8”，仅包含数字与数学符号。26.00秒尚未出现，26.25秒首次完整显示，持续至最后一个采样帧37.75秒；区间到达视频末尾，无后续帧可查。选26.50秒作为关键帧，算式清晰完整、无遮挡，与上方定义和右侧表格易于区分。","start_frame":630,"end_frame":912,"reference_frame":636},"grounding":{"status":"found","bbox_xyxy":[309.4,719.4,483.3,763.9],"positive_points":[[317.7,723.1],[337.0,723.1],[370.3,741.7],[420.3,724.1],[447.4,738.0],[474.5,723.1]],"negative_points":[[208.3,648.1],[833.3,833.3],[395.8,814.8],[536.5,490.7]],"evidence":"目标是哈希函数定义下方的红色算式“88 % 10 = 8”。紧致边界框覆盖整条算式的数字和符号；六个正点分布在其实际笔画上，四个负点分别位于上方定义、右侧表格、算式下方绿色背景及“k = 88”说明处。"}}]}
+{"video_id":127,"video_type":"visual design and media animation","targets":[{"name":"ε-NFA transition-table title","description":"Large bold italic heading above the first table, reading “Transition Table for ε NFA & ε-closure” across two lines.","membership":"Includes the complete two-line heading only. Excludes the table and the closure calculations below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":1,"evidence":"目标为第一张表格上方的大号粗体斜体两行标题“Transition Table for ε NFA & ε-closure”，不含表格及右侧计算。首个合格帧为0.00秒，标题已完整显示；最后合格帧为1.75秒，标题虽有缩放变化但仍完整清晰。2.00秒帧中标题已消失，因此区间结束于2.00秒。视频起点之前无采样帧。选择1.00秒作为关键帧，标题清晰、无遮挡，便于独立标注。","start_frame":0,"end_frame":48,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[150,41,771,206],"positive_points":[[166,50],[406,50],[608,68],[755,94],[370,165],[548,194]],"negative_points":[[454,285],[750,362],[828,93],[74,158]],"evidence":"目标是表格上方的粗体斜体两行标题“Transition Table for ε NFA & ε-closure”。边界框紧贴完整两行文字，正点分布在两行标题的字形笔画上；负点位于下方表头、右侧闭包计算文字以及标题外的空白背景，均不属于标题。"}},{"name":"ε-NFA transition table","description":"Left-side table with columns “a” and “b” and rows 1 through 4. Its entries show a-transitions to {1}, {4}, {3}, and {}, and b-transitions to {}, {}, {}, and {2}.","membership":"Includes both table rules, column headings, row labels, all transition entries, and the table area they define. Excludes the independent title and the closure text to the right.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":1,"evidence":"目标是左侧含a、b列、1至4行及所述集合转移项的ε-NFA表格，不含标题和右侧闭包文字。首个合格帧为0.00秒，表格已完整显示；最后合格帧为1.50秒。1.75秒时列标题b和行标签2开始淡出，因此不纳入。区间始于视频开头，无更早采样帧。选择1.00秒作关键帧，表格完整清晰且无遮挡。","start_frame":0,"end_frame":42,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[33.6,209.7,571.9,919.4],"positive_points":[[237,294],[448,278],[233,401],[230,528],[101,693],[445,844]],"negative_points":[[486,175],[811,439],[638,700],[17,552]],"evidence":"目标是左侧以 a、b 为列标题、1 至 4 为行标签的 ε-NFA 转移表。边界框紧包两条表格线、全部标题、行标签、转移集合及其定义的表格区域。正点分布在两列标题及不同表格行的内容上；负点位于上方独立标题、右侧闭包文字和表格外背景。"}},{"name":"ε-closure results","description":"Compact text block to the right of the first table, progressively revealing four closure equations. It begins with “ε-closure(1) = {1,2,3}”; the last line visibly reads “ε-closure(2) = {4}”.","membership":"Includes all four equation lines as one text block throughout their reveal. Excludes the neighboring table, title, and background.","id":"obj_003","temporal":{"status":"found","start_s":1.0,"end_s":2.0,"reference_s":1.25,"evidence":"目标为首张表右侧的四行 ε-closure 方程，末行确为“ε-closure(2) = {4}”。1.00秒四行均已完成显现，至1.75秒仍完整清晰；前一帧0.75秒末行尚在淡入，后一帧2.00秒整块文字已消失。选择1.25秒作为关键帧，四行文字清晰、无遮挡，且易与左侧表格区分。","start_frame":24,"end_frame":48,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[710,345,943,609],"positive_points":[[715.6,366.7],[859.4,359.7],[926.6,368.1],[722.7,448.6],[862.5,512.5],[895.3,583.3]],"negative_points":[[669.5,459.7],[958.6,470.8],[823.4,656.9],[450,522.2]],"evidence":"目标是表格右侧的四行 ε-closure 方程，首行为 ε-closure(1) = {1,2,3}，末行为 ε-closure(2) = {4}。边界框紧密覆盖四行完整文字；六个正点分布于各行字符和符号笔画，四个负点位于文字块外部背景及左侧表格内容上。"}},{"name":"Deterministic transition-table title","description":"Replacement bold italic heading reading “Transition Table for D NFA & starting state” across two lines.","membership":"Includes the entire two-line heading. Excludes the table and starting-state calculation beneath it.","id":"obj_004","temporal":{"status":"found","start_s":2.5,"end_s":9.0,"reference_s":4.0,"evidence":"目标是两行粗斜体标题“Transition Table for D NFA & starting state”，不含下方表格及计算。2.25秒标题仍在淡入，2.5秒首次完整清晰呈现；最后合格帧为8.75秒，标题虽略有缩放但仍完整，9.0秒已消失。选择4.0秒为关键帧，标题清晰完整且无遮挡。","start_frame":60,"end_frame":216,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[145.3,41.7,774.2,225],"positive_points":[[160.2,51.4],[391.4,51.4],[664.8,52.8],[321.9,194.4],[471.9,215.3],[604.7,195.8]],"negative_points":[[70.3,131.9],[398.4,355.6],[812.5,438.9],[625,291.7]],"evidence":"目标是顶部粗体斜体的两行标题“Transition Table for D NFA & starting state”。边界框紧贴整段标题，包含两行文字及其间距。六个正点分布在两行字形笔画上；负点位于标题外背景、下方表格线和右侧起始状态计算处，均不属于标题。"}},{"name":"Starting-state calculation","description":"Right-side three-line calculation beginning “q0’ = ε ( { q0})”, followed by “= ε ( 1 )” and “= {1,2,3}”.","membership":"Includes the complete progressively revealed calculation text. Excludes the adjacent table, heading, and background.","id":"obj_005","temporal":{"status":"found","start_s":3.5,"end_s":9.0,"reference_s":4.0,"evidence":"目标是右侧从“q0’ = ε ( { q0})”到“= {1,2,3}”的三行起始状态计算。3.50秒三行均已完整显现；前一帧3.25秒末行仍在淡入。最后合格帧为8.75秒，文字虽有位置变化但仍完整清晰；9.00秒已消失。选择4.00秒作为关键帧，计算文字清晰、无遮挡，与左侧表格易于区分。","start_frame":84,"end_frame":216,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[748,345,902,536],"positive_points":[[751,364],[897,364],[811,442],[846,440],[819,510],[859,510]],"negative_points":[[706,458],[930,444],[828,283],[820,608]],"evidence":"目标是图像右侧以“q0’ = ε”开头的三行起始状态计算。边界框紧贴全部三行文字，正点分布在各行的实际字符笔画上；负点位于文字块左、右、上、下的外部背景，未包含标题或表格。"}},{"name":"Subset-state transition table","description":"Progressively constructed left-side table with columns “a” and “b” and state-set rows {1,2,3}, {1,2,3,4}, {2,3}, {3,4}, and {3}. It presents the deterministic transitions derived from the earlier ε-NFA.","membership":"Includes the horizontal and vertical rules, both column headings, every state-set row label, all revealed transition values, and the table area they define. Excludes the separate starting-state calculation and title.","id":"obj_006","temporal":{"status":"found","start_s":7.75,"end_s":8.75,"reference_s":8.0,"evidence":"目标是左侧含 a、b 两列和五个子集状态行的转换表，不包括标题及右侧起始状态计算。7.75 秒时所有指定表格成员均已完整显现；前一帧 7.50 秒中最后一行的转换值仍在淡入。最后合格帧为 8.50 秒，随后 8.75 秒部分表头及数值开始淡出。选择 8.00 秒作为关键帧，表格完整清晰且无遮挡。","start_frame":186,"end_frame":210,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[36.7,227.8,580.5,938.9],"positive_points":[[238.3,320.8],[453.9,293.1],[176.6,633.3],[275,386.1],[432,768],[96.9,887.5]],"negative_points":[[368,90.3],[825,444.4],[680.5,686.1],[18,768]],"evidence":"目标是左侧含 a、b 两列及五个状态集合行的转换表。边界框覆盖表头、横竖线、全部行标签和转换值及其定义的表格区域。正点分布于两列表头、竖线和不同位置的集合值；负点位于上方标题、右侧初态计算以及表外背景，均不属于该表。"}},{"name":"DFA diagram title","description":"Centered gray heading reading “DFA Diagram” above the final state-transition graphic.","membership":"Includes only the heading text. Excludes the state nodes and arrows below.","id":"obj_007","temporal":{"status":"found","start_s":9.75,"end_s":12.0,"reference_s":10.0,"evidence":"目标是最终状态转换图上方居中的灰色“DFA Diagram”标题，仅包含标题文字。9.50秒文字仍在淡入，9.75秒首次完整显示；最后一个符合条件的采样帧为11.75秒，标题始终保持可见。区间延续至视频结尾12.00秒，之后无采样帧。选择10.00秒作为关键帧，标题清晰完整、无遮挡，易与下方节点和箭头区分。","start_frame":234,"end_frame":288,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[354.7,116.7,648.4,204.2],"positive_points":[[358.6,155.6],[396.9,125],[429.7,158.3],[465.6,162.5],[546.1,198.6],[643.8,165.3]],"negative_points":[[320.3,152.8],[500,69.4],[437.5,305.6],[718.8,437.5]],"evidence":"目标是图像上方居中的灰色标题“DFA Diagram”。边界框紧贴整段标题文字，包括字母g的下伸部分；六个正点分布在不同字母的笔画上，四个负点位于标题外的背景及下方蓝色状态节点上，不包含文字内部空隙。"}},{"name":"DFA state-transition diagram","description":"Final animated graph with six blue state nodes labeled “1,2,3”, “1,2,3,4”, “2,3”, “∅”, “3”, and “3,4”. The nodes for “1,2,3,4” and “3,4” have white centers. An initial arrow, connecting arrows, self-loops, and a/b labels appear progressively.","membership":"Includes all six nodes with their full enclosed areas and labels, the incoming start arrow, connecting lines and arrowheads, self-loop curves, and transition labels. Follows the actual node and line shapes, leaving open curves open. Excludes the independent heading, surrounding background, and watermark.","id":"obj_008","temporal":{"status":"found","start_s":11.75,"end_s":12.0,"reference_s":11.75,"evidence":"目标是由六个蓝色状态节点、两个白心节点、起始箭头、连接箭头、自环及 a/b 转移标签组成的完整 DFA 图，不含标题和水印。11.75 秒首次完整呈现全部指定成员，也是最后合格采样帧；前一帧 11.50 秒尚缺转移标签。选择 11.75 秒作为关键帧，因为图形完整且无遮挡。区间到达视频末尾，没有后续采样帧。","start_frame":282,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[100,262.5,768,956.9],"positive_points":[[205,437],[440,441],[716,433],[190,764],[356,769],[588,756]],"negative_points":[[500,152],[882,914],[76,703],[850,571]],"evidence":"根据六个带指定标签的蓝色状态节点及其连接关系识别出目标。边界框覆盖全部节点、左侧初始箭头、连接箭头、上下自环和a/b标签，不含标题及水印。六个正点分别位于六个节点内部；负点位于上方标题、右下角水印及图外空白背景。"}}]}
+{"video_id":128,"video_type":"visual design and media animation","targets":[{"name":"“What started with a shared love” title","description":"Large burgundy sans-serif text progressively revealed across the middle of the cream scene, then sliding left.","membership":"Includes the complete phrase and its progressively revealed letters. Excludes the heart, moving dot, curved line, and cream background.","id":"obj_001","temporal":{"status":"found","start_s":1.5,"end_s":3.0,"reference_s":2.0,"evidence":"目标是奶油色背景中央的酒红色完整短语“What started with a shared love”，不含爱心、圆点或曲线。首个合格帧为1.50秒，文字已完整显现；前一帧1.25秒中“love”仍在淡入。最后合格帧为2.75秒，整句左移但仍完整可见；后一帧3.00秒文字已从左边界移出并被裁切。选择2.00秒作为关键帧，整句清晰完整，便于独立标注。","start_frame":36,"end_frame":72,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[268.5,419.3,731.5,470],"positive_points":[[273,429.7],[360.8,441],[517.6,442.7],[555.7,451.4],[662.1,441],[678.2,447]],"negative_points":[[740.2,405.4],[514.6,308.2],[500,607.6],[195.3,442.7]],"evidence":"图中央的勃艮第红色标题为“What started with a shared love”。边界框紧贴完整短语，正点分布在各词的字形笔画上；负点位于独立的爱心、上方圆点及标题外的奶油色背景，排除装饰元素。"}},{"name":"Red heart icon","description":"Solid red heart presented above the right end of the word “love”; it tilts and moves left with the opening message.","membership":"Includes the heart’s outer contour and filled interior. Excludes the adjacent lettering and curved line.","id":"obj_002","temporal":{"status":"found","start_s":1.25,"end_s":3.25,"reference_s":2.0,"evidence":"目标是位于“love”右上方的实心红色爱心，不包括文字和曲线。首个完整呈现帧为1.25秒，前一帧1.00秒尚无爱心；它随后倾斜并随文字左移，最后一个完整可见帧为3.00秒，3.25秒已消失。选择2.00秒作为关键帧，此时爱心轮廓清晰、无遮挡，易与相邻文字区分。","start_frame":30,"end_frame":78,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[724.6,372.4,761.2,439.2],"positive_points":[[734,389],[735,406],[742,417],[752,408],[732,428],[748,395]],"negative_points":[[680,442],[750,355],[870,398],[514,308]],"evidence":"目标是“love”右端上方倾斜的实心红心。边界框紧贴心形的外轮廓，包含完整填充区域；六个正点分布于两侧心瓣、中部和下尖部。负点位于邻近文字、上方背景、右侧曲线及上方紫色短划处，均排除在目标之外。"}},{"name":"“of food and technology...” title","description":"Burgundy text entering from the right after the opening phrase and settling centrally, with a trailing ellipsis.","membership":"Includes all letters and the three punctuation dots belonging to the phrase. Excludes the noodle bowl, location pin, traveling dot, and curved line.","id":"obj_003","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":5.25,"evidence":"目标是酒红色的“of food and technology...”文字及末尾三个点，不包括图标和曲线。首个合格帧为3.25秒，整句及三个点均已完整进入画面；前一帧3.00秒的省略号仍被右边界裁切。最后合格帧为5.50秒，文字虽缩小但仍完整；5.75秒已切换为绿色背景的“has”画面。选择5.25秒作为关键帧，文字清晰完整，且与曲线及图标容易区分。","start_frame":78,"end_frame":138,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[331.5,437.5,688,491.5],"positive_points":[[353,467],[372.5,461],[491.5,460],[551.5,464],[604.5,459],[684.5,474]],"negative_points":[[501,333],[499,555],[838,573],[520,405]],"evidence":"目标是画面中央的酒红色标题“of food and technology...”。边界框紧贴完整短语及末尾三个圆点；六个正点分布在各段字母笔画和末尾标点上，负点位于定位图标、面碗、右侧移动圆点及标题上方背景，排除这些非目标内容。"}},{"name":"Noodle bowl icon","description":"Small red bowl beneath the food-and-technology text, containing curved noodle strokes and angled burgundy chopsticks, with a short base underneath.","membership":"Includes the bowl’s filled body, visible noodles, chopsticks, and short base stroke. Excludes the text and surrounding animation path.","id":"obj_004","temporal":{"status":"found","start_s":3.0,"end_s":5.75,"reference_s":4.0,"evidence":"目标是“of food and technology”文字下方的红色面碗，包含碗身、弯曲面条、斜向酒红色筷子及底座短线。首个合格帧为3.00秒，结构已完整；此前2.75秒尚未出现。最后合格帧为5.50秒，虽缩小但仍完整可见；随后5.75秒切换为绿色背景，面碗消失。选择4.00秒作为关键帧，图标清晰且无遮挡，便于空间标注。","start_frame":72,"end_frame":138,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[480.96,523.44,518.07,582.47],"positive_points":[[485.84,552.08],[498.54,565.1],[491.21,532.99],[501.46,537.33],[508.3,527.78],[510.74,579.86]],"negative_points":[[470,560],[530,560],[500,610],[491,456]],"evidence":"目标是文字下方的小红色面碗。边界框紧贴碗身、弧形面条、斜置的酒红色筷子及底部短横线；六个正点分布于这些组成部分，负点位于碗外背景和上方文字，排除文字及周围动画路径。"}},{"name":"Location pin icon","description":"Red map-location marker with a burgundy circular center and dark pointed tip, appearing above the food-and-technology text.","membership":"Includes the complete marker silhouette and its interior circular detail. Excludes the separate moving dot, curved path, and text below.","id":"obj_005","temporal":{"status":"found","start_s":4.5,"end_s":5.75,"reference_s":5.0,"evidence":"目标是位于“of food and technology...”文字上方的红色定位标记，具有酒红色圆心和深色尖端，不包括沿曲线移动的独立圆点。首个完整呈现帧为4.50秒，最后合格帧为5.50秒，缩放未破坏其完整结构。此前4.25秒仅有初始微小痕迹，尚未形成完整标记；之后5.75秒已切换到绿色画面，标记消失。选择5.00秒作为关键帧，标记结构清晰且无遮挡。","start_frame":108,"end_frame":138,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[487.8,301.2,514.7,357.6],"positive_points":[[501,308.2],[491.2,324.7],[510.3,327.3],[501,325.5],[498,344.6],[501.5,353.3]],"negative_points":[[473,326],[527,326],[501,276],[491,457]],"evidence":"目标是文字上方的红色地图定位图标，带酒红色圆心和深色尖端。边界框紧贴完整标记轮廓；六个正点分布于红色外部、圆心及尖端，四个负点位于左右及上方背景和下方文字，排除曲线路径等其他元素。"}},{"name":"Animated geometric kitchen graphic","description":"Abstract cream-and-dark-green composition on the green scene: a large cream disk beside a dark semicircle develops into a bowl-like semicircle with floating cream and mint disks, then a vertical semicircle between two pale-green circles.","membership":"Includes the dark semicircle and the cream, mint, and pale-green disks forming the composition, following each shape’s actual outline and including its enclosed interior. Excludes the green scene background, surrounding orbital or trailing lines, small path markers, and independently presented title lettering outside the filled shapes.","id":"obj_006","temporal":{"status":"found","start_s":6.0,"end_s":12.75,"reference_s":12.0,"evidence":"目标是绿色场景中持续变形的圆盘与深绿色半圆组合，随后形成碗状图形，最后变为两个浅绿圆之间的竖直半圆。首个合格帧为6.00秒，各主要形状已完整建立；前一帧5.75秒的深绿色半圆仍被画面底边裁切。最后合格帧为12.50秒，12.75秒已切换为粉色背景的圆点阵列。选择12.00秒作为关键帧，组合轮廓清晰，便于区分填充形状与背景、轨迹线及文字。","start_frame":144,"end_frame":306,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[120.1,113.7,881.8,791.7],"positive_points":[[225,300],[330,620],[485,285],[522,678],[718,317],[757,675]],"negative_points":[[75,430],[939,500],[500,110],[350,900]],"evidence":"目标为左右两个浅绿色圆盘及其间的深绿色竖直半圆。边界框紧贴这三个填充形状的整体可见范围；六个正点分布在各形状内部，四个负点位于形状外的绿色背景。未将标题文字或下方细曲线作为目标取点。"}},{"name":"“has evolved to become” title","description":"Dark-green text progressively revealed across the large cream disk in the green scene.","membership":"Includes the complete phrase as it is revealed and repositioned. Excludes the cream disk, dark semicircle, and surrounding geometric animation.","id":"obj_007","temporal":{"status":"found","start_s":7.5,"end_s":8.25,"reference_s":7.5,"evidence":"目标是绿色场景中奶油色圆盘上的深绿色完整短语“has evolved to become”，不含几何图形。7.50秒首次完成文字揭示，8.00秒为最后合格帧；此前7.25秒末尾文字仍在淡入，之后8.25秒圆盘收缩形成遮罩，短语两端被裁去。选择7.50秒作为关键帧，文字完整清晰、无遮挡。","start_frame":180,"end_frame":198,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[277.3,454.9,732,512.2],"positive_points":[[279.8,479.2],[428.7,482.6],[498,480.9],[522.5,493.1],[574.2,480.9],[721.2,490.5]],"negative_points":[[486,350],[501,636],[157,459],[855,737]],"evidence":"目标是大块奶油色圆盘中央的深绿色完整标题“has evolved to become”。边界框紧贴整句文字的可见范围；六个正点分布在各词的字形笔画上，负点位于文字上、下方的奶油色圆盘、左侧绿色背景及右下深色半圆上。"}},{"name":"“the neutral smart kitchen platform” title","description":"Cream text arranged in two lines on the green scene, with “the neutral” above “smart kitchen platform,” remaining visible as the geometric composition changes behind it.","membership":"Includes both lines as one complete text block. Excludes the circles, semicircle, connecting lines, and green background.","id":"obj_008","temporal":{"status":"found","start_s":8.75,"end_s":12.75,"reference_s":10.75,"evidence":"目标是绿色场景中由“the neutral”和“smart kitchen platform”组成的两行奶油色标题。8.75秒两行文字首次完整显现，持续至12.50秒；此前8.50秒文字仍在淡入显露，部分被几何图形遮挡，之后12.75秒已切换为粉色圆阵场景，标题消失。选择10.75秒作为关键帧，两行文字清晰完整且无遮挡。","start_frame":210,"end_frame":306,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[295.9,239.6,701.7,364.6],"positive_points":[[301.3,260.4],[361.3,269.1],[468.3,261.3],[351.6,332.5],[438.0,328.1],[677.7,332.5]],"negative_points":[[485,108],[490,625],[260,285],[736,333]],"evidence":"目标是绿色背景上的两行奶油色标题，上行为“the neutral”，下行为“smart kitchen platform”。边界框紧贴完整两行文字；六个正点分布在两行的实际字形笔画上，四个负点位于标题外的绿色背景、上方圆形及下方深色半圆内。"}},{"name":"Red-and-cream circle grid","description":"Compact arrangement appearing on the pink scene, with four circles across each of the upper three rows and three in the bottom row. The upper-left circle is red and the others are cream.","membership":"Includes the fifteen circular shapes, each with its boundary and filled interior. Excludes the pink gaps, surrounding pink background, and the stray curved line at the left edge.","id":"obj_009","temporal":{"status":"found","start_s":12.75,"end_s":13.0,"reference_s":12.75,"evidence":"12.75秒的粉色场景中，十五个圆形均完整可见：上三排各四个、底排三个，左上圆为红色，其余为奶油色，符合目标描述。首个及最后一个合格采样帧均为12.75秒；前一帧12.50秒仍是绿色背景的厨房平台场景，没有该圆形网格。区间延续至视频结束，之后没有采样帧。选择12.75秒作为关键帧，因为全部圆形边界清晰且无遮挡。","start_frame":306,"end_frame":312,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[335.4,184.9,668.5,779.0],"positive_points":[[374,270],[626,253],[459,416],[629,549],[376,706],[545,702]],"negative_points":[[287,455],[502,133],[716,450],[500,836]],"evidence":"目标是粉色背景上的十五个实心圆，上三排各四个、底排三个，左上圆为红色，其余为奶油色。边界框紧贴整组圆的最外缘；六个正点分布在红圆及不同排、列的奶油圆内部，四个负点位于整组外围的粉色背景，不标记圆间空隙或左侧杂线。"}}]}
+{"video_id":129,"video_type":"visual design and media animation","targets":[{"name":"“doubling down” title","description":"Large cream lowercase lettering arranged on two lines against red at the opening.","membership":"Includes the complete two-line text block; excludes the red background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标为开场红底上的奶油色小写双行文字“doubling down”，不含背景。0.00秒已完整呈现，最后一个符合条件的采样帧为0.25秒；0.50秒已替换为“on”，因此结束于0.50秒。区间始于视频开头，无更早帧。选择0.00秒为关键帧，文字完整清晰、无遮挡，便于标注。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[159.4,237.0,840.6,728.7],"positive_points":[[229,366],[469,374],[813,371],[312,640],[515,644],[680,640]],"negative_points":[[78,491],[911,491],[500,120],[500,861]],"evidence":"图中可见奶油色小写标题“doubling down”，分为上下两行。边界框紧贴完整两行文字的可见范围；六个正点分布在两行的实际字形笔画上，四个负点位于标题上、下、左、右的外部红色背景中。"}},{"name":"“on what” title","description":"Cream lowercase text on red, progressively revealed from “on” to “on what”.","membership":"Includes all revealed lettering in this title; excludes the background.","id":"obj_002","temporal":{"status":"found","start_s":0.75,"end_s":1.0,"reference_s":0.75,"evidence":"目标是红底上的奶油色小写“on what”标题。0.75秒首次完整显示全部文字，也是最后一个符合条件的采样帧；前一帧0.50秒仅显示“on”，尚未完���揭示，后一帧1.00秒已替换为奶油色背景上的红色字形特写。选择0.75秒作为关键帧，文字完整清晰且无遮挡。","start_frame":18,"end_frame":24,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[201.0,363.0,799.0,589.8],"positive_points":[[218.8,501.9],[312.5,500.0],[453.1,503.7],[575.0,428.7],[718.8,509.3],[763.0,496.3]],"negative_points":[[140,500],[860,490],[510,280],[510,700]],"evidence":"图中红色背景上完整显示奶油色小写标题“on what”。边界框紧贴全部六个字母的可见范围；六个正点分别位于各字母的实心笔画上，四个负点位于标题左、右、上、下的外部红色背景。"}},{"name":"“MAKES US GREAT” title","description":"Red decorative lettering on cream, introduced through enlarged letter details before resolving into a two-line title with curled M and G forms.","membership":"Includes the complete title lettering and its integral swashes, including visible cropped portions during close-ups; excludes the cream background.","id":"obj_003","temporal":{"status":"found","start_s":1.0,"end_s":4.25,"reference_s":3.25,"evidence":"目标为奶油色背景上的红色“MAKES US GREAT”装饰标题，具有卷曲的 M、G 字形。首次合格帧为 1.00 秒，已呈现完整字形的刻意裁切特写，按目标范围纳入；随后连续展示字形细节并缩至两行全标题，最后合格帧为 4.00 秒。前一帧 0.75 秒是红底“on what”，后一帧 4.25 秒已替换为橙色面包形状。选择 3.25 秒作为关键帧，标题及其卷饰完整清晰、无遮挡。","start_frame":24,"end_frame":102,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[55.2,276.9,944.8,825.0],"positive_points":[[181.3,416.7],[541.7,388.9],[906.3,435.2],[317.7,787.0],[455.7,657.4],[739.6,601.9]],"negative_points":[[80,200],[900,190],[180,790],[825,850]],"evidence":"图中可见奶油色背景上的红色两行标题“MAKES US GREAT”。边界框覆盖全部字母及 M、G 的卷曲延伸笔画；六个正点分布于两行字母的实色笔画和卷曲部分，四个负点位于标题外围的奶油色背景。"}},{"name":"Assembling Burger King logo","description":"Centered logo assembled from orange bun shapes and red stacked “BURGER KING” lettering on cream.","membership":"Includes both bun shapes and the integrated lettering as one logo; excludes surrounding background.","id":"obj_004","temporal":{"status":"found","start_s":5.0,"end_s":5.75,"reference_s":5.0,"evidence":"目标为奶油色背景中央、由上下橙色面包形状和红色双行“BURGER KING”文字组成的标志。首个完整帧为5.00秒，最后符合条件的帧为5.50秒；期间虽缩窄变形，整体仍完整。前一帧4.75秒尚缺上方面包，仍在组装；后一帧5.75秒已变为单个红色“K”的简化图标，不再是指定文字标志。选择5.00秒作为关键帧，因为结构完整、文字清楚且无遮挡。","start_frame":120,"end_frame":138,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[396,315,602.6,708.4],"positive_points":[[496,369],[497,682],[403,473],[580,476],[408,576],[528,581]],"negative_points":[[345,510],[650,510],[500,260],[500,765]],"evidence":"图像中央为橙色上下两片面包与红色两行“BURGER KING”文字组成的标志。边界框紧贴完整标志，覆盖两片面包及全部文字；六个正点分布在面包色块和两行字母笔画上，四个负点位于标志上下左右的外围奶油色背景。"}},{"name":"Burger-shaped K symbol","description":"Small centered red K between orange upper and lower bun shapes, replacing the full stacked logo.","membership":"Includes the complete K-and-buns symbol; excludes the cream background.","id":"obj_005","temporal":{"status":"found","start_s":5.75,"end_s":6.5,"reference_s":6.0,"evidence":"目标是居中的红色 K 与橙色上下两片面包组成的完整小符号。首个合格帧为 5.75 秒，最后合格帧为 6.25 秒；5.50 秒仍是完整 BURGER KING 文字标志，6.50 秒已替换为放大的横排文字。选择 6.00 秒作为关键帧，符号完整清晰、无遮挡，便于标注。","start_frame":138,"end_frame":156,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[452.6,390.7,547.4,609.3],"positive_points":[[480,426],[520,431],[468,508],[532,534],[476,585],[524,584]],"negative_points":[[410,490],[590,505],[500,340],[505,660]],"evidence":"图像中央可见红色K及其上下两块橙色面包形状。边界框紧贴完整汉堡状符号；六个正点分别分布在上面包、K和下面包的实色区域，四个负点位于符号四周的奶油色背景上。"}},{"name":"Red horizontal Burger King wordmark","description":"Red “BURGER KING” lettering shown in enlarged moving close-ups, then as the central row of a repeated wordmark arrangement.","membership":"Includes this red wordmark and its associated registration mark when visible; excludes other rows and the background.","id":"obj_006","temporal":{"status":"found","start_s":6.5,"end_s":9.75,"reference_s":8.75,"evidence":"目标是红色横排“BURGER KING”字标，包括可见的注册标记，不包括重复排列中的其他行。首个合格帧为6.50秒，属于完整字标的有意放大裁切特写；随后持续移动，并成为重复排列的中央红色行，9.50秒最后以独立横排字标出现。前一帧6.25秒是小型汉堡形图标，后一帧9.75秒已替换为上下带面包形状的标志。选择8.75秒作为关键帧，中央红色字标及注册标记完整清晰，与上下橙色行容易区分。","start_frame":156,"end_frame":234,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[54.2,403.7,962,598.1],"positive_points":[[72,489],[208,486],[342,504],[516,478],[639,502],[934,515]],"negative_points":[[257,263],[808,270],[524,729],[481,895]],"evidence":"目标是三行排列中间的红色“BURGER KING”字标。边界框紧贴整行红色文字，并包含右下角的注册标记；六个正点分布在该行不同字母的实心笔画上，负点位于上下两行橙色字标及下方外部背景。"}},{"name":"Upper orange Burger King wordmark","description":"Orange “BURGER KING” row immediately above the red wordmark in the repeated arrangement.","membership":"Includes the lettering and registration mark of this orange row only; excludes neighboring rows and background.","id":"obj_007","temporal":{"status":"found","start_s":8.75,"end_s":9.5,"reference_s":9.0,"evidence":"目标是重复排列中紧邻红色字标上方的橙色“BURGER KING”一行，包含其右侧注册标记。首个合格帧为8.75秒，最后合格帧为9.25秒，这一行均完整可见。此前8.50秒仅有放大的红色字标；此后9.50秒变为单行红色字标，目标消失。选择9.00秒作为关键帧，橙色目标及注册标记清晰完整，与上下相邻行易于区分。","start_frame":210,"end_frame":228,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[58.33,182.41,957.81,374.07],"positive_points":[[75,270],[251,294],[451,276],[635,283],[822,280],[925,306]],"negative_points":[[350,95],[510,494],[743,725],[29,280]],"evidence":"目标是红色字标正上方的橙色“BURGER KING”行。边界框紧贴该行全部字母及右下角注册标记；六个正点分布在左右各部分的字母笔画上，负点位于上方棕色行、下方红色行、更下方橙色行及左侧外部背景。"}},{"name":"Lower orange Burger King wordmark","description":"Orange “BURGER KING” row immediately below the red wordmark in the repeated arrangement.","membership":"Includes the lettering and registration mark of this orange row only; excludes neighboring rows and background.","id":"obj_008","temporal":{"status":"found","start_s":8.75,"end_s":9.5,"reference_s":8.75,"evidence":"目标是重复排列中紧邻红色字标下方的橙色“BURGER KING”一行，包括其右侧注册标记。首个完整呈现帧为8.75秒，最后 qualifying 帧为9.25秒；此前8.50秒仅见放大的红色字样，此后9.50秒变为单独的红色字标，目标消失。选择8.75秒作为关键帧，因为目标整行清晰完整、无遮挡，且与相邻行易于区分。","start_frame":210,"end_frame":228,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[54.7,627.8,962,822.2],"positive_points":[[69.3,713.9],[255.2,776.9],[437.5,791.7],[637,713],[830,735],[931.8,759.3]],"negative_points":[[260,500],[635,275],[30,725],[510,890]],"evidence":"目标是红色字标正下方的最下排橙色“BURGER KING”。边界框紧贴整排字母及右下角注册标记；六个正点分布在该排不同字母的实色笔画上，负点位于上方其他字标以及目标左侧、下方的外部背景。"}},{"name":"Lower brown Burger King wordmark","description":"Dark brown “BURGER KING” row entering along the bottom edge below the lower orange row.","membership":"Includes the visible lettering belonging to this brown row; excludes the rows above and background.","id":"obj_010","temporal":{"status":"found","start_s":9.0,"end_s":9.5,"reference_s":9.25,"evidence":"目标是重复字标图案最下方、下层橙色行下面的深棕色“BURGER KING”行，属于沿画面底边有意裁切的排版。首个符合帧为9.00秒，最后为9.25秒；此前8.75秒只有橙、红、橙三行，此后9.50秒已替换为单行红色字标。选择9.25秒，底部棕色行的可见字形清楚，与上方各行易于区分。","start_frame":216,"end_frame":228,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[59.9,847.2,943.2,1000],"positive_points":[[76,932],[255,910],[439,940],[514,952],[770,931],[924,877]],"negative_points":[[75,705],[516,703],[827,689],[25,938]],"evidence":"目标是下方橙色字样之下、从图像底边进入的深棕色“BURGER KING”行。边界框紧贴该行可见字母，底部止于图像边缘；六个正点分布在这一行左右各处的字母笔画上，负点位于上方橙色行及左侧外部背景。"}},{"name":"Centered Burger King logo reprise","description":"Complete orange-bun and red-letter Burger King logo returning alone on cream after the repeated horizontal wordmarks.","membership":"Includes both bun shapes and the stacked lettering; excludes the background and the small vertical legal notice at the right edge.","id":"obj_011","temporal":{"status":"found","start_s":9.75,"end_s":10.5,"reference_s":10.0,"evidence":"目标是重复横排字标之后，在奶油色背景上单独重现的完整汉堡王标志，包含上下橙色面包和红色堆叠文字。首个合格帧为9.75秒，最后为10.25秒；此前9.50秒仍为横排“BURGER KING”字标，此后10.50秒已切换为橙色背景上的饮料杯。选择10.00秒作为关键帧，标志完整清晰、无遮挡，右侧竖排法律文字不属于目标。","start_frame":234,"end_frame":252,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[396.4,296.3,603.6,703.7],"positive_points":[[493.2,346.3],[496.9,670.4],[403.6,465.7],[478.1,437.0],[408.9,560.2],[588.5,600.9]],"negative_points":[[338.5,500.0],[651.0,500.0],[500.0,222.2],[975.5,833.3]],"evidence":"图像中央是由上下橙色面包形状与红色两行 BURGER KING 字样组成的完整标志。边界框紧贴两块面包和全部字母的外缘；六个正点分布在上下包形及两行字母笔画上，负点位于标志外围的奶油色背景和右侧竖排法律声明上。"}},{"name":"Burger King drink cup","description":"Tall white tapered takeaway cup with a white lid, red straw, and orange-and-red Burger King logo, standing on orange.","membership":"Includes the cup body, printed graphics, lid, and protruding straw; excludes the backdrop, cast shadow, and reflection.","id":"obj_012","temporal":{"status":"found","start_s":10.5,"end_s":11.0,"reference_s":10.5,"evidence":"目标为橙色背景上直立的白色锥形饮料杯，带白色杯盖、红色吸管及橙红色汉堡王标志。首个合格帧为10.50秒，最后合格帧为10.75秒，两帧中杯体、杯盖和吸管均完整可见。此前10.25秒仅显示汉堡王标志，此后11.00秒已切换为薯条包装。选择10.50秒作关键帧，因为杯子完整且标志正面清晰，无明显遮挡。","start_frame":252,"end_frame":264,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[426,330.6,560.4,879.6],"positive_points":[[491.5,382.4],[539.6,450],[458.9,513.9],[491.7,599.1],[541.1,664.8],[495.3,834.3]],"negative_points":[[395.8,611.1],[604.2,625],[390.1,871.3],[492.2,935.2]],"evidence":"图中央可见印有橙红色 Burger King 标志的白色锥形饮料杯，配白色杯盖和红色吸管。边界框紧贴吸管顶端、杯盖两侧及杯底，覆盖完整杯体。正点分布在吸管、杯盖、杯身和标志上；负点位于两侧橙色背景、左侧投影及杯底下方倒影，均排除在目标之外。"}},{"name":"Carton of French fries","description":"White Burger King fry carton filled with upright golden fries, presented alone against dark brown.","membership":"Includes the carton surface, its printed logo, and all fries protruding from it; excludes background and cast shadow.","id":"obj_013","temporal":{"status":"found","start_s":11.0,"end_s":11.25,"reference_s":11.0,"evidence":"11.00秒可见完整的白色Burger King薯条盒及其商标，盒内竖立着金黄色薯条，独立置于深棕色背景上；这是首个也是最后一个符合条件的采样帧。前一帧10.75秒是橙色背景上的饮料杯，后一帧11.25秒已替换为红色背景上的纸袋。选择11.00秒作为关键帧，目标完整清晰、无遮挡。","start_frame":264,"end_frame":270,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[411.5,407.4,570.5,894.4],"positive_points":[[425,553],[508,442],[549,535],[456,692],[478,771],[523,848]],"negative_points":[[366,601],[615,701],[502,338],[603,931]],"evidence":"目标是画面中央偏下、印有汉堡王标志的白色薯条盒及其中竖立的金黄色薯条。边界框紧贴全部可见薯条和纸盒，不包含背景与投影。正点分布在左右及顶部薯条、纸盒表面和标志上；负点位于目标外围的深棕色背景。"}},{"name":"Burger King takeaway bag","description":"Upright brown paper bag with folded top, side gusset, and large orange-and-red Burger King logo, shown against red and then closer.","membership":"Includes the entire bag, folds, side panels, and printed contents; excludes the red setting and cast shadow.","id":"obj_014","temporal":{"status":"found","start_s":11.25,"end_s":11.75,"reference_s":11.25,"evidence":"目标是红色背景上直立的棕色纸质外带袋，具有折叠袋口、侧面褶裥及橙红色 Burger King 标志。首个合格帧为11.25秒，最后合格帧为11.50秒；此前11.00秒显示的是薯条盒，此后11.75秒近景中袋子顶部已被画面边界裁切。选择11.25秒作为关键帧，因为袋身完整，折口与侧面结构清晰且无遮挡。","start_frame":270,"end_frame":282,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[374,206.5,631.3,894.4],"positive_points":[[491,237],[531,435],[548,664],[593,855],[410,543],[417,836]],"negative_points":[[328,480],[684,623],[502,153],[332,884]],"evidence":"图中直立的棕色纸袋带有折叠袋口、左侧风琴褶及醒目的 Burger King 标志。边界框紧贴整个可见纸袋，包含折边、侧面和印刷内容；正点分布于袋口、正面、标志和侧褶，负点位于外部红色背景及左下方投影区域。"}},{"name":"Wrapped Whopper with Cheese","description":"Rounded sandwich in cream wrapping printed with a red-and-orange Burger King logo and colorful vegetable illustrations, shown close up and then from above.","membership":"Includes the complete wrapped sandwich and all printing on its folded wrapper; excludes the surrounding flat printed sheet and cast shadow.","id":"obj_015","temporal":{"status":"found","start_s":12.25,"end_s":12.75,"reference_s":12.5,"evidence":"目标是奶油色折叠包装的圆形三明治，包装上有红橙色 Burger King 标志及彩色蔬菜图案，不包括外围平铺包装纸和阴影。首个合格帧为12.25秒，最后为12.50秒；此前12.00秒是近景，三明治包装仍被画面边缘裁切，随后12.75秒已换成绿色 Plant-Based Whopper 包装。选择12.50秒为关键帧，完整包装轮廓清楚，易与周围平铺纸张区分。","start_frame":294,"end_frame":306,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[343,240,660,792],"positive_points":[[396,402],[504,339],[441,570],[565,544],[570,715],[375,674]],"negative_points":[[262,478],[709,557],[480,888],[314,624]],"evidence":"目标是中央隆起的圆形包装汉堡，奶油色折叠包装上有红橙色 Burger King 标志及蔬菜图案。边框覆盖可见的立体包装及折边，不包含周围平铺印花纸和投影。正点分布于包装上部、标志、右侧图案及下部折边；负点位于外围平纸图案和左侧投影。"}},{"name":"Whopper with Cheese wrapper sheet","description":"Flat cream packaging sheet surrounding the wrapped sandwich, bearing colorful tomatoes, lettuce, pickles, onion rings, and “Flame-Grilled WHOPPER with Cheese” labeling.","membership":"Includes the visible sheet surface and all printed graphics and labels on it; excludes the separately identifiable wrapped sandwich resting on it and the surrounding setting.","id":"obj_016","temporal":{"status":"found","start_s":12.25,"end_s":12.75,"reference_s":12.5,"evidence":"目标是包裹汉堡外围的平铺奶油色包装纸，印有彩色蔬菜及“Flame-Grilled WHOPPER with Cheese”，不含中央独立的包裹汉堡。首个合格帧为12.25秒，最后为12.50秒；此前12.00秒是包裹汉堡的近景，外围平铺纸尚未明确呈现，之后12.75秒已开始以绿色植物基包装纸替换。选择12.50秒，纸面图案、标签及其与中央汉堡的区别最清楚。","start_frame":294,"end_frame":306,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[0,0,1000,1000],"positive_points":[[148,175],[637,112],[823,561],[42,516],[403,941],[872,934]],"negative_points":[[421,449],[482,590],[389,649],[523,510]],"evidence":"目标是铺满画面的奶油色平铺包装纸，带有蔬菜图案及“Flame-Grilled WHOPPER with Cheese”标识，因此边界框覆盖整幅图像。正点分布在外围纸面、图案和标签上；负点均位于中央单独包好的三明治上，排除该独立物体。"}},{"name":"Wrapped Plant-Based Whopper","description":"Rounded sandwich in cream wrapping with a green Burger King logo and green vegetable imagery, centered on matching plant-based packaging.","membership":"Includes the complete wrapped sandwich, folded paper, and printing on that paper; excludes the underlying flat sheet and cast shadow.","id":"obj_017","temporal":{"status":"found","start_s":12.75,"end_s":13.5,"reference_s":13.0,"evidence":"目标是匹配植物基包装纸中央的圆形包裹汉堡，奶油色折纸上有绿色品牌及蔬菜印刷，不含底层平纸和阴影。12.75秒首次完整出现，虽处于旋转状态仍结构完整；13.25秒为最后合格帧。此前12.50秒是红色标志的普通皇堡包装，随后13.50秒变为纯绿色画面。选择13.00秒，绿色Burger King标志清楚，汉堡轮廓完整且易与底纸区分。","start_frame":306,"end_frame":324,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[343,281,648,820],"positive_points":[[515,542],[482,364],[358,558],[399,684],[525,772],[622,459]],"negative_points":[[309,575],[690,404],[380,879],[514,206]],"evidence":"目标是中央隆起的圆形包裹三明治，奶油色包装上有绿色 Burger King 标志和蔬菜图案。边界框覆盖完整包装及折叠纸边，不含底部平铺包装纸和投影。六个正点分布于标志、纸面及左右折边；负点位于外围平铺纸张、蔬菜图案和左侧投影区域。"}},{"name":"Plant-Based Whopper wrapper sheet","description":"Cream packaging sheet with green vegetable illustrations and “Plant-Based WHOPPER with Cheese” labeling around the central wrapped sandwich.","membership":"Includes the visible flat sheet and its printed contents; excludes the wrapped sandwich resting on it and the surrounding setting.","id":"obj_018","temporal":{"status":"found","start_s":13.0,"end_s":13.5,"reference_s":13.0,"evidence":"目标是中央包裹汉堡下方的奶油色平铺包装纸，印有绿色蔬菜图案及“Plant-Based WHOPPER with Cheese”字样，不包括中央汉堡。13.00秒首次完整呈现该款纸张，13.25秒仍清晰可见；前一帧12.75秒尚处于新旧包装纸切换，左侧仍有旧款图案，后一帧13.50秒已变为纯绿色画面。选择13.00秒作关键帧，因为纸张图案和标签较完整，且容易与中央汉堡区分。","start_frame":312,"end_frame":324,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[0,0,1000,1000],"positive_points":[[78,510],[304,95],[927,582],[826,112],[278,831],[720,901]],"negative_points":[[477,379],[520,551],[470,741],[598,469]],"evidence":"目标是铺满画面的奶油色平整包装纸，印有绿色蔬菜图案及“Plant-Based WHOPPER with Cheese”字样。边界框覆盖整幅图像中可见的纸张；正点分布在中央三明治四周的纸面及印刷图案上，负点均位于明确排除的中央包裹三明治上。"}},{"name":"White “PLANT BASED” wrapped sandwich","description":"Round sandwich in crumpled white paper with large green “PLANT BASED” lettering, first shown close up and then at the upper right of a package arrangement.","membership":"Includes the entire wrapped package and its printed lettering; excludes the brown background, shadows, and other packages.","id":"obj_019","temporal":{"status":"found","start_s":13.75,"end_s":14.75,"reference_s":14.25,"evidence":"目标是印有大号绿色“PLANT BASED”的白色褶皱圆形包装。13.75秒首次以已成形包装的特写出现，随后位于包装组合右上方，最后符合帧为14.50秒；特写及构图裁切并非入场揭示。前一帧13.50秒为纯绿色画面，后一帧14.75秒转为其他包装的近景，目标不再可见。选择14.25秒，目标与其他包装分离，外形和绿色文字清楚。","start_frame":330,"end_frame":354,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[723.4,0,961.5,384.3],"positive_points":[[822.4,48.1],[898.4,107.4],[765.1,164.8],[814.1,250],[879.2,322.2],[944.8,184.3]],"negative_points":[[687.5,120.4],[953.1,425.9],[640.6,481.5],[453.1,157.4]],"evidence":"目标是右上角印有绿色“PLANT BASED”字样的白纸包装三明治。边框紧贴整件可见包装，顶部止于图像边缘，不包含阴影。正点分布在包装上部、左右及下部的纸面和字样；负点位于外部棕色背景、阴影及另外两件包装上。"}},{"name":"“GOLDEN GRILLED” wrapped sandwich","description":"Round white wrapped sandwich with orange “GOLDEN GRILLED” lettering, positioned toward the upper center-left of the package arrangement.","membership":"Includes this complete wrapped package and its printing; excludes adjacent packages, background, and shadow.","id":"obj_020","temporal":{"status":"found","start_s":14.0,"end_s":14.75,"reference_s":14.5,"evidence":"目标是组合画面上方偏左、印有橙色“GOLDEN GRILLED”字样的圆形白色包装。14.00至14.50秒保持同一完整包装形态，上缘为构图中的固定裁切，并非逐步入场。此前13.75秒仅见绿色字样的包装；14.75秒画面放大，目标离开画面，仅余顶部边缘，故不纳入。选择14.50秒，目标与周围包装区分清楚，印字和轮廓较易辨认。","start_frame":336,"end_frame":354,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[342,0,556,333],"positive_points":[[386,57],[487,64],[522,176],[464,277],[383,231],[423,144]],"negative_points":[[316,179],[585,128],[453,387],[637,480]],"evidence":"目标是上方偏左、印有橙色大字的圆形白色包装。框紧贴完整可见包装及其印刷，顶部按图像边界截断，不包含阴影。六个正点分散于包装各部位；负点位于外围背景及右下方另一件包装上。"}},{"name":"“MELTY JUICY” wrapped sandwich","description":"Round white package with dark brown “MELTY JUICY” lettering, positioned near the center-right of the package arrangement.","membership":"Includes the whole wrapped package and its printed contents; excludes other packages, background, and shadow.","id":"obj_022","temporal":{"status":"found","start_s":14.25,"end_s":14.75,"reference_s":14.5,"evidence":"目标是包装组合中偏右的圆形白色纸包，印有深棕色“MELTY JUICY”文字。首个符合条件的帧为14.25秒，最后为14.50秒；前一帧14.00秒尚未出现该包装，后一帧14.75秒包装被画面上沿和右沿裁切。选择14.50秒作为关键帧，因为整个纸包完整可见、文字清晰，且与周围包装容易区分。","start_frame":342,"end_frame":354,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[527.6,282.4,749.5,676.9],"positive_points":[[636.5,326.9],[558.3,460.2],[715.1,479.6],[637.5,639.8],[626.6,447.2],[591.7,557.4]],"negative_points":[[455.2,518.5],[809.9,486.1],[837.5,179.6],[758.3,859.3]],"evidence":"目标是画面中部偏右、印有深棕色“MELTY JUICY”的圆形白色包装。边界框紧贴整个可见包装，包含文字和纸边，不含投影。六个正点分布于包装上部、两侧、中央和下部；负点位于外围棕色背景及右上、右下的其他包装上。"}},{"name":"“FLAKY TASTY” wrapped sandwich","description":"Round white package with yellow “FLAKY TASTY” lettering at the lower left of the package arrangement.","membership":"Includes this wrapped package and all printing on it; excludes neighboring packages, background, and shadow.","id":"obj_023","temporal":{"status":"found","start_s":14.5,"end_s":14.75,"reference_s":14.5,"evidence":"目标是包装排列左下方印有黄色“FLAKY TASTY”的圆形白色包装，不包括邻近包装和阴影。首个及最后一个合格采样帧均为14.50秒，此时包装完整可见；前一帧14.25秒仍被画面左边界裁切，后一帧14.75秒则在左下角被画面边界裁切。选择14.50秒为关键帧，因为目标轮廓完整、文字清楚且无遮挡。","start_frame":348,"end_frame":354,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[0,649,192,1000],"positive_points":[[31,768],[91,700],[158,763],[173,878],[113,945],[37,951]],"negative_points":[[78,583],[224,821],[236,963],[145,324]],"evidence":"目标是左下角印有黄色“FLAKY TASTY”的圆形白色包装。边界框覆盖该包装及全部印字的可见部分，左侧和底部止于图像边缘，不含阴影。六个正点分布在包装的上部、两侧和下部；负点位于外围背景及左上方另一件包装上。"}},{"name":"Serving tray stack with changing illustrated liner","description":"Dark brown rounded rectangular serving trays, introduced in close-up and then shown as a stack. The top paper liner changes through tomato, lettuce, burger, ketchup packet, fries, and a face with a fry mustache.","membership":"Includes the complete visible tray stack, rims, top tray interior, and the paper liner with all its changing illustrations and logo. Follows the tray outlines; excludes the surrounding colored surface and cast shadow.","id":"obj_025","temporal":{"status":"found","start_s":15.5,"end_s":17.5,"reference_s":16.0,"evidence":"目标是深棕色圆角矩形托盘堆，包含托盘边缘、内部及不断更换插画的纸垫，不包含背景和投影。15.50秒首次完整显示托盘堆，持续至17.25秒的薯条胡子人脸纸垫；此前15.25秒仍是边缘被画面裁切的近景，之后17.50秒已切换为文字画面。选择16.00秒作为关键帧，托盘堆轮廓完整清楚、无遮挡，汉堡插画纸垫易于辨认。","start_frame":372,"end_frame":420,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[234,168,769,883],"positive_points":[[261,481],[494,200],[361,326],[619,504],[738,630],[512,844]],"negative_points":[[134,384],[193,782],[828,574],[512,94]],"evidence":"目标为中央深棕色圆角托盘叠，顶部纸衬印有汉堡插画和品牌标志。边界框覆盖完整可见托盘叠、边沿、内部及纸衬，不含周围红色台面和投影。六个正点分布在上沿、左右边沿、纸衬和底部叠层；四个负点位于外围红色背景及左侧投影区域。"}},{"name":"“Looking like a” title","description":"Large dark brown lettering on orange, arranged as “Looking” above “like a” after the tray sequence.","membership":"Includes the complete two-line text block; excludes the orange background.","id":"obj_026","temporal":{"status":"found","start_s":17.75,"end_s":18.5,"reference_s":18.0,"evidence":"目标为托盘序列后橙色背景上的深棕色两行文字“Looking / like a”。17.75秒首次完整显示，18.25秒为最后合格帧；此前17.50秒仅有“Looking”，两行文字尚未揭示完整；此后18.50秒文字消失，仅剩橙色背景。选择18.00秒作关键帧，完整文字清晰且无遮挡。","start_frame":426,"end_frame":444,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[199.5,239.8,826.6,732.4],"positive_points":[[225,368],[430,448],[781,511],[333,617],[467,637],[688,673]],"negative_points":[[110,475],[906,486],[517,135],[510,852]],"evidence":"图中深棕色标题分两行显示，上行为“Looking”，下行为“like a”。边界框紧贴完整两行文字的可见外缘；六个正点分布于两行不同字母的实心笔画上，四个负点位于文字块上下左右的外部橙色背景。"}},{"name":"“true king” title","description":"Dark brown lowercase “true king” lettering on orange, presented after a blank orange frame and later partly covered by a crown.","membership":"Includes the title lettering, excluding the overlaid crown and background.","id":"obj_027","temporal":{"status":"found","start_s":19.0,"end_s":20.0,"reference_s":19.0,"evidence":"目标是橙色背景上的深棕色小写“true king”标题，不含皇冠。18.75秒仅显示“true kin”，文字揭示尚未完成；19.0秒首次完整显示。标题持续至最后采样帧19.75秒，虽在19.5秒和19.75秒被皇冠部分遮挡，仍属同一次连续出现。区间��达视频末尾，无后续帧。选择19.0秒为关键帧，文字完整清晰且无遮挡。","start_frame":456,"end_frame":480,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[158.9,350,869.3,650.9],"positive_points":[[190,492],[386,506],[428,503],[543,452],[749,510],[821,629]],"negative_points":[[110,500],[920,510],[510,260],[515,750]],"evidence":"图中橙色背景上的深棕色小写“true king”即目标，当前没有皇冠遮挡。边界框紧贴整段标题的可见字形范围；六个正点分布于不同字母的实心笔画上，四个负点位于标题四周的外部橙色背景。"}},{"name":"Burger King paper crown","description":"Gold paper crown with rounded ornamental points, red jewel-like dots, gray interior, and a Burger King badge, tilted over the final title.","membership":"Includes the complete crown, its band, ornamental points, interior surfaces, printed dots, and badge; excludes the title behind it and the orange background.","id":"obj_028","temporal":{"status":"found","start_s":19.75,"end_s":20.0,"reference_s":19.75,"evidence":"目标为最终标题前倾斜的金色纸皇冠，带圆顶装饰尖角、红色圆点、灰色内侧及 Burger King 徽章。19.50秒皇冠仍从画面上方进入且被边界裁切；19.75秒完整结构全部可见，是首个及最后一个合格采样帧，因此选作关键帧。区间延续至20.00秒视频结束，之后没有采样帧。","start_frame":474,"end_frame":480,"reference_frame":474},"grounding":{"status":"found","bbox_xyxy":[344,142,726,746],"positive_points":[[393,483],[481,280],[571,353],[653,374],[518,588],[654,584]],"negative_points":[[254,516],[803,512],[515,824],[594,183]],"evidence":"根据金色纸质冠带、圆头装饰、红色宝石状印点、灰色内壁及 Burger King 徽章确定目标。边界框紧贴倾斜皇冠的完整可见范围；正点分布在冠带、装饰点、内壁和徽章上，负点位于两侧被排除的标题文字及皇冠外的橙色背景。"}}]}
+{"video_id":130,"video_type":"visual design and media animation","targets":[{"name":"SO MANY heading","description":"Upper white heading progressively revealed as “SO MANY” above the chess pawns; later shrinks before disappearing.","membership":"Includes only the letters of this heading, excluding the pawns, background, and other text.","id":"obj_001","temporal":{"status":"found","start_s":0.5,"end_s":4.25,"reference_s":2.0,"evidence":"目标是棋子上方独立的白色“SO MANY”标题。0.50秒首次完整显示，前一帧0.25秒仍在逐字揭示；最后合格帧为4.00秒，标题虽已缩小但字形完整，4.25秒已消失，因此区间为[0.50, 4.25)。选择2.00秒作为关键帧，标题较大、清晰且无遮挡，易与棋子和其他文字区分。","start_frame":12,"end_frame":102,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[311.5,99.1,686,198.1],"positive_points":[[326.6,122.2],[369.8,147.2],[459.9,145.4],[545.8,169.4],[587.5,148.1],[659.9,163.9]],"negative_points":[[286.5,148.1],[708.3,157.4],[395.8,305.6],[520.8,240.7]],"evidence":"目标是棋子上方的白色“SO MANY”标题。边界框紧贴整段标题的可见字母，包含字间间隔；六个正点分别落在六个字母的笔画上，负点位于标题外侧红色背景及下方棋子上，排除背景和其他对象。"}},{"name":"White upper-left pawn","description":"First pawn to appear, at the left end of the upper row. It has a white fill, black outline, round head, narrow neck, and stepped base.","membership":"Includes the entire pawn silhouette, its outline, and enclosed fill throughout its enlargement and upward exit.","id":"obj_002","temporal":{"status":"found","start_s":0.0,"end_s":3.25,"reference_s":2.0,"evidence":"目标是最先出现、位于上排最左侧的白色黑边兵，具有圆头、细颈和阶梯底座。0.00秒时轮廓已完整，之后放大并向上退出；最后合格帧为3.00秒，3.25秒时头部已被画面上边界裁切，因此不纳入。区间起点即视频开头，无更早采样帧。选择2.00秒作为关键帧，此时目标完整清晰、无遮挡，且容易与其余灰色兵区分。","start_frame":0,"end_frame":78,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[152.1,272.2,223.4,450.9],"positive_points":[[186.5,302.8],[177.1,341.7],[187.5,375],[199.5,405.6],[164.6,438.9],[207.8,438.9]],"negative_points":[[130.2,361.1],[247.4,365.7],[395.3,304.6],[187.5,578.7]],"evidence":"目标是上排最左侧的白色黑边兵。边界框紧贴圆头、颈部和阶梯底座，包含完整轮廓及内部填充；六个正点分布在这些部位，负点位于左右红色背景、右侧另一枚兵和下排左侧灰兵上。"}},{"name":"Pale-gray upper-row pawn","description":"Second pawn to appear, in the second position from the left in the upper row, with a very pale gray fill and black outline.","membership":"Includes this pawn’s complete head, neck, collars, base, outline, and enclosed fill, excluding neighboring pawns.","id":"obj_003","temporal":{"status":"found","start_s":0.25,"end_s":3.0,"reference_s":2.0,"evidence":"目标是上排左起第二枚、浅灰填充且有黑色轮廓的兵。0.25秒虽尺寸较小，但头、颈、底座和轮廓已完整；此前0.00秒尚未出现。最后合格帧为2.75秒，3.00秒该兵向上离场，头部已被画面上边界裁切。选择2.00秒作关键帧，目标完整清晰、无遮挡，且与相邻棋子易于区分。","start_frame":6,"end_frame":72,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[359.9,272.2,431.8,450.9],"positive_points":[[395.3,301.9],[387.5,341.7],[395.3,374.1],[408.9,405.6],[377.1,437],[416.7,438.9]],"negative_points":[[187.5,302.8],[604.2,302.8],[395.3,580.6],[450.5,371.3]],"evidence":"目标是上排从左数第二枚浅灰色棋子，黑色轮廓清晰。边界框紧贴其头部至底座的完整可见范围；六个正点分布在头部、颈部、上下横环和底座填充内，四个负点位于相邻棋子、下排棋子及右侧红色背景。"}},{"name":"Light-gray upper-row pawn","description":"Third pawn to appear, in the third position from the left in the upper row. Its fill is darker than the pawn immediately to its left.","membership":"Includes the complete outlined pawn and its enclosed fill throughout scaling and upward movement.","id":"obj_004","temporal":{"status":"found","start_s":0.5,"end_s":2.75,"reference_s":2.0,"evidence":"目标是上排从左数第三枚浅灰色描边兵，填色比左邻更深。0.50秒首次出现时虽尺寸较小，但轮廓和填色已完整；此前0.25秒尚未出现。最后合格帧为2.50秒，目标仍完整可见；2.75秒向上移出时已被画面上边界裁切，因此结束于2.75秒。选择2.00秒为关键帧，此时目标大小清晰、无遮挡，且与相邻棋子容易区分。","start_frame":12,"end_frame":66,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[568.2,272.2,640.1,450.9],"positive_points":[[604.2,302.8],[593.8,341.7],[604.2,374.1],[620.8,405.6],[583.3,436.1],[626.6,439.8]],"negative_points":[[395.8,375],[812.5,374.1],[604.2,639.8],[541.7,359.3]],"evidence":"目标是上排从左数第三枚浅灰色兵，比左邻兵颜色更深。边界框紧贴其完整黑色轮廓，覆盖圆头、颈部和底座及内部填充。六个正点分布在这些部位；负点位于左右相邻兵、下排对应兵及目标左侧红色背景。"}},{"name":"Medium-gray upper-right pawn","description":"Fourth pawn to appear, at the right end of the upper row, with a medium-gray fill and black outline.","membership":"Includes this pawn’s entire outlined silhouette and enclosed fill, including its visible portions during its upward exit.","id":"obj_005","temporal":{"status":"found","start_s":0.75,"end_s":2.5,"reference_s":2.0,"evidence":"目标是上排最右侧、第四个出现的中灰色黑描边兵。0.75秒时虽尺寸较小，但完整轮廓已建立；前一帧0.50秒尚未出现。最后合格帧为2.25秒，2.50秒已向上移出且被画面上边界裁切，因此按边界规则结束。选择2.00秒作为关键帧，此时目标完整清晰、无遮挡，便于与其他灰度的兵区分。","start_frame":18,"end_frame":60,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[776.6,273.1,848.4,450.9],"positive_points":[[812.5,300.9],[802.1,342.6],[813.5,375],[831.3,405.6],[791.7,438.9],[835.4,439.8]],"negative_points":[[750,361.1],[875,361.1],[604.2,370.4],[812.5,648.1]],"evidence":"目标是上排最右侧的中灰色黑边兵棋。边界框紧贴其圆头、颈部、横条和底座的完整轮廓；六个正点分布在这些部位的填充内，负点位于左右红色背景、上排相邻棋子及下方黑色棋子上。"}},{"name":"SHADES OF GREY heading","description":"Lower heading progressively revealed as “SHADES OF GREY” beneath the pawns. “GREY” develops a dark, offset layered treatment before the heading shrinks away.","membership":"Includes all letters and the layered letterforms belonging to this heading. Excludes pawns, the central lyric strip, and the background.","id":"obj_006","temporal":{"status":"found","start_s":1.75,"end_s":4.25,"reference_s":2.25,"evidence":"目标是棋子下方的“SHADES OF GREY”标题，包括 GREY 的深色错位叠层。1.75 秒首次完整显示全部字母，1.50 秒仍在逐字揭示；此后叠层移动和整体缩小均保持标题完整。最后合格帧为 4.00 秒，4.25 秒标题已消失，因此区间为 [1.75, 4.25)。选择 2.25 秒作为关键帧，标题较大、清晰且无遮挡。","start_frame":42,"end_frame":102,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[152,799,858,908],"positive_points":[[173,820],[214,860],[398,882],[517,851],[715,870],[833,874]],"negative_points":[[396,643],[491,150],[505,950],[100,851]],"evidence":"目标是棋子下方完整的“SHADES OF GREY”标题。边界框覆盖所有字母及“GREY”的深色偏移层叠效果；六个正点分布在标题各部分的字母笔画上，负点位于上方棋子、顶部标题及下方和左侧红色背景，均不包含在目标中。"}},{"name":"Gray lower-left pawn","description":"Pawn appearing beneath the white pawn at the left end of the lower row, filled with a darker gray than the upper-row pawns.","membership":"Includes the full pawn silhouette, black outline, and enclosed gray fill throughout enlargement and downward exit.","id":"obj_007","temporal":{"status":"found","start_s":1.0,"end_s":3.25,"reference_s":2.0,"evidence":"目标是左侧白色兵下方、下排最左端的深灰色兵，包含黑色轮廓和灰色填充。1.00秒首次呈现完整的小尺寸兵，随后放大；前一帧0.75秒尚未出现。3.00秒仍完整可见，3.25秒向下退出时已被画面底边裁切，因此最后合格帧为3.00秒。选择2.00秒为关键帧，此时兵的轮廓清晰、无遮挡，且与其他兵的位置关系明确。","start_frame":24,"end_frame":78,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[151.6,550,224,729.6],"positive_points":[[187.5,579.6],[177.6,620.4],[187,650.9],[196.9,682.4],[165.1,715.7],[206.8,713]],"negative_points":[[187.5,370.4],[395.8,638.9],[130.2,638.9],[244.8,629.6]],"evidence":"目标是下排最左侧、位于白色兵正下方的深灰色兵。边界框紧贴其圆头至底座，包含完整黑色轮廓和灰色填充。六个正点分布在头部、颈环、躯干、底部横条及底座；负点位于上方白兵、右侧另一灰兵以及目标左右的红色背景。"}},{"name":"Dark-gray lower-row pawn","description":"Pawn in the second position from the left in the lower row, below the pale-gray upper pawn; darker than the lower-left pawn.","membership":"Includes this pawn’s head, neck, collars, base, outline, and enclosed fill, excluding the other pawns.","id":"obj_008","temporal":{"status":"found","start_s":1.25,"end_s":3.0,"reference_s":2.0,"evidence":"目标是下排左起第二枚深灰色兵，位于上排浅灰色兵下方，比下排最左侧兵更暗。1.25秒时虽尺寸较小，但头部、颈部、底座及轮廓已完整，1.00秒时尚未出现。最后合格帧为2.75秒；3.00秒时它向下离场，底座已被画面下边界裁切。选择2.00秒作为关键帧，此时目标完整清晰，与其他棋子分离，便于标注。","start_frame":30,"end_frame":72,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[359.9,550,431.8,728.7],"positive_points":[[395.3,578.7],[387.5,620.4],[395.3,649.1],[406.3,682.4],[374,715.7],[417.7,713.9]],"negative_points":[[187.5,648.1],[395.8,370.4],[604.2,648.1],[453.1,601.9]],"evidence":"目标是下排从左数第二枚深灰色棋子，位于上排浅灰棋子正下方。边界框紧贴其头部、颈部、两层横缘、底座及黑色轮廓。六个正点分布在这些部位的实体区域；负点位于左侧、右侧和上方的其他棋子，以及目标右侧的红色背景。"}},{"name":"Charcoal lower-row pawn","description":"Pawn in the third position from the left in the lower row, below the light-gray upper pawn, with a charcoal fill.","membership":"Includes the complete outlined pawn and its enclosed fill throughout scaling and downward movement.","id":"obj_009","temporal":{"status":"found","start_s":1.5,"end_s":2.75,"reference_s":2.25,"evidence":"目标是下排从左数第三枚炭灰色棋子，位于上排浅灰棋子下方，包含完整轮廓及填色。1.50秒首次完整出现，虽尺寸较小但结构已齐全；此前1.25秒该位置尚无棋子。最后合格帧为2.50秒，2.75秒向下离场时已被画面底边裁切。选择2.25秒作为关键帧，此时棋子完整、大小清晰且无遮挡。","start_frame":36,"end_frame":66,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[568.2,550,640.1,728.7],"positive_points":[[604.2,578.7],[595.3,620.4],[606.3,650.9],[593.8,683.3],[583.9,715.7],[625,717.6]],"negative_points":[[395.8,648.1],[812.5,648.1],[604.2,371.3],[671.9,625]],"evidence":"目标是下排从左数第三枚炭灰色兵，位于上排浅灰色兵下方。边界框紧贴其完整黑色轮廓，涵盖圆头、颈部和底座及内部填充。六个正点分布在这些实体部位；负点位于左右相邻兵、上方兵以及目标右侧红色背景。"}},{"name":"Black lower-right pawn","description":"Last pawn to appear, at the right end of the lower row. Its nearly black fill makes it read as a solid silhouette.","membership":"Includes the entire black pawn silhouette, including its round head and stepped base, excluding surrounding text.","id":"obj_010","temporal":{"status":"found","start_s":1.75,"end_s":2.5,"reference_s":2.25,"evidence":"目标是下排最右侧、最后出现的近黑色兵，包含圆头和阶梯底座。1.75秒时虽尺寸较小，但轮廓已完整，首次符合条件；2.25秒为最后完整可见帧。此前1.50秒该位置尚无黑兵；之后2.50秒黑兵向下离场，已被画面底边裁切。选择2.25秒作为关键帧，因为目标尺寸较大、轮廓清晰且无遮挡。","start_frame":42,"end_frame":60,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[776.6,550,848.4,728.7],"positive_points":[[812,578],[800,620],[812,650],[795,683],[787.5,715],[837,713]],"negative_points":[[760,612],[865,682],[604,649],[832,854]],"evidence":"目标是下排最右侧近乎纯黑的兵棋轮廓。边界框紧贴圆头、颈部及阶梯状底座，排除下方文字。六个正点分布在头部、肩颈和底座上；负点位于左右红色背景、左侧另一枚棋子及下方文字上。"}},{"name":"Sliding bilingual lyric line","description":"Single lyric line sliding in from the right on a white horizontal strip, reading “Oh 어떻게 아직도” followed by “Oh how could you,” with red vertical separators and red “Oh” text.","membership":"Includes the complete bilingual text line and its red separator marks. Excludes the white backing strip, its shadow, and other headings.","id":"obj_011","temporal":{"status":"found","start_s":3.25,"end_s":4.5,"reference_s":3.5,"evidence":"目标是白色横条上的完整双语歌词及红色分隔线，不含横条和阴影。3.25秒首次完整显示“Oh 어떻게 아직도”和“Oh how could you”及两端分隔线；此前3.00秒右侧文字仍被画面边界裁切。最后合格帧为4.25秒，4.50秒歌词向左移出且大部分已被裁切。选择3.50秒作为关键帧，整行文字清晰、无遮挡且完整位于画面内。","start_frame":78,"end_frame":108,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[83.3,462,907.3,549.1],"positive_points":[[87,495],[299,497],[468,496],[529,499],[750,495],[903,498]],"negative_points":[[260,440],[703,564],[479,134],[469,685]],"evidence":"目标是白色横条上的完整双语歌词“Oh 어떻게 아직도 | Oh how could you”，包含红色Oh及三处红色竖分隔线。边界框紧贴整行文字和分隔线，不含白色底条及阴影。正点分布在韩文、英文笔画和红色分隔线上；负点位于文字外的白色底条、上方标题及下方红色背景。"}},{"name":"STILL NOT KNOW bilingual title","description":"Large title replacing the pawn composition, with “STILL NOT” at the top, “모를” and “수” beneath, and “KNOW 있어” along the bottom. It changes from white on red to black and red on white.","membership":"Includes the English and Korean letterforms forming this complete title block throughout progressive reveal, recoloring, and fading. Excludes the background.","id":"obj_012","temporal":{"status":"found","start_s":5.75,"end_s":7.0,"reference_s":6.5,"evidence":"目标是由“STILL NOT”“모를 수”和“KNOW 있어”组成的完整双语标题。5.75秒所有字词首次完整出现，随后缩放并由红底白字变为白底黑红字；最后合格帧为6.75秒。前邻帧5.50秒尚未出现底行“KNOW 있어”，后邻帧7.00秒标题已开始淡出。选择6.50秒作为关键帧，因为完整标题清晰、无遮挡，字形与背景对比鲜明。","start_frame":138,"end_frame":168,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[179.7,163.9,834.9,825.9],"positive_points":[[190.1,222.2],[799.5,254.6],[244.3,419.4],[705.7,489.8],[294.3,757.4],[806.3,757.4]],"negative_points":[[100,500],[920,480],[500,100],[500,920]],"evidence":"图中可见完整双语标题：顶部“STILL NOT”，中部“모를”和“수”，底部“KNOW 있어”，字形为黑色及红色。边界框紧贴整个标题块的可见范围；六个正点分布在三行左右两侧的实际笔画上，四个负点位于标题外围的灰白背景。"}},{"name":"GOOD easily fade away text","description":"Stacked white text on the left red torn-paper area, reading “GOOD” above “easily,” “fade,” and “away.” It rises into view and later fades.","membership":"Includes only the four lines of lettering, excluding the red paper backing and the eye graphic beneath them.","id":"obj_013","temporal":{"status":"found","start_s":10.25,"end_s":12.0,"reference_s":11.25,"evidence":"目标是左侧红色撕纸区域上的四行白字“GOOD / easily / fade / away”，不含纸张及眼睛。10.25秒首次四行完整入画；前一帧10.00秒最下方“away”仍被画面底边裁切。最后合格帧为11.75秒，12.00秒文字已开始淡出。选择11.25秒作为关键帧，文字清晰完整，且与下方眼睛分离，便于标注。","start_frame":246,"end_frame":288,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[172.9,126.9,352.1,657.4],"positive_points":[[179.7,177.8],[317.7,136.1],[307.3,311.1],[233.3,435.2],[218.8,577.8],[318.2,607.4]],"negative_points":[[156.3,370.4],[520.8,463.0],[239.6,759.3],[260.4,74.1]],"evidence":"目标为左侧红色撕纸上的四行白字“GOOD / easily / fade / away”。边界框紧贴全部四行文字的可见范围；六个正点分布在各行字母笔画上，四个负点位于文字外的红纸、右侧灰白背景及下方眼睛图形上。"}},{"name":"Animated eye graphic","description":"Black almond-shaped eye with a white circular interior element, first appearing below “GOOD easily fade away” on the red strip. It opens, narrows, enlarges, and shifts its white circle.","membership":"Includes the full black eye shape and the white circular element within it, following the changing outer contour. Excludes adjacent text and the red backing.","id":"obj_014","temporal":{"status":"found","start_s":10.75,"end_s":14.0,"reference_s":11.5,"evidence":"目标是红色竖条上、文字下方的黑色杏仁状眼睛及其内部白色圆形。10.50秒时眼睛仍被画面底边裁切；10.75秒首次完整入画，虽呈眯眼状态仍结构完整。随后张合、放大及白圆移动均保持连续，最后合格帧为13.75秒，因此区间延续至视频结束14.00秒，之后无采样帧。选择11.50秒作为关键帧，眼睛轮廓与白圆清晰完整，无遮挡且易于标注。","start_frame":258,"end_frame":336,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[162,688,372,877],"positive_points":[[187.5,781.5],[234.4,734.3],[288.5,721.3],[337,778.7],[306.8,836.1],[269.8,813]],"negative_points":[[390.6,759.3],[250,925.9],[143.2,773.1],[263,584]],"evidence":"目标位于红色竖条下部、“GOOD easily fade away”文字下方。边界框紧贴黑色杏仁形眼睛的外轮廓，包含内部白色圆形。六个正点分布在黑色眼形各部及白色圆内；四个负点位于外围红色底色和上方文字上，排除文字与红色背景。"}},{"name":"Vertical Korean lyric","description":"Dark Korean text reading “함부로 나를 좋아하지마,” arranged vertically in the narrow pale area to the left of the red strip and enlarged eye.","membership":"Includes the complete vertical line of Korean characters, excluding the adjacent eye and torn-paper background.","id":"obj_015","temporal":{"status":"found","start_s":13.0,"end_s":14.0,"reference_s":13.0,"evidence":"目标是红色撕纸条左侧浅色窄区内的完整竖排韩文“함부로 나를 좋아하지마”，不含眼睛。12.50秒文字开始淡入，紧邻起点的12.75秒仍呈较浅灰色；13.00秒完整清晰，至最后采样帧13.75秒持续存在，因此区间结束于视频末尾14.00秒，之后无帧。选择13.00秒作为关键帧，文字清楚且无遮挡。","start_frame":312,"end_frame":336,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[43.2,184.3,73.4,815.7],"positive_points":[[61.5,226.9],[58.9,280.6],[50,404.6],[56.3,480.6],[69.3,598.1],[50.5,783.3]],"negative_points":[[23.4,324.1],[93.8,472.2],[177.1,453.7],[195.3,648.1]],"evidence":"目标是红色撕纸条左侧浅色窄区内的竖排韩文“함부로 나를 좋아하지마”。边界框紧贴整列文字，覆盖顶部“함”至底部“마”；六个正点分布在不同字符的深色笔画上，负点位于文字外的浅色背景、红色纸面及相邻眼睛图形上。"}},{"name":"Oval halo graphic","description":"Black double-oval ring above the right-hand “THINK” heading on the pale background.","membership":"Includes both oval outlines and the area enclosed by the outer oval, including the open-looking white center. Excludes the heading below.","id":"obj_016","temporal":{"status":"found","start_s":12.75,"end_s":14.0,"reference_s":13.0,"evidence":"目标是浅色背景右侧“THINK”上方的黑色双椭圆光环，不含下方文字。12.50秒尚无光环，12.75秒两条椭圆轮廓已完整出现；此后持续可见，最后合格帧为13.75秒，故区间结束于视频末尾14.00秒，末尾之后无采样帧。选择13.00秒作为关键帧，光环轮廓清晰、无遮挡，与下方标题分离。","start_frame":306,"end_frame":336,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[582.8,33.3,699.5,130.6],"positive_points":[[585.4,79.6],[640.6,37],[697.1,81.5],[643.2,125.9],[619.8,78.7],[666.7,83.3]],"negative_points":[[556.3,83.3],[724,88],[640.6,13.9],[625,203.7]],"evidence":"目标是右侧“THINK”上方的黑色双椭圆光环。边界框紧贴外椭圆，覆盖两条轮廓及其包围的白色内部；六个正点分布在外轮廓和内部。负点位于光环左侧、右侧、上方背景及下方标题，均不属于目标。"}},{"name":"THINK TWICE BEFORE title","description":"Bold black text progressively revealed on the right as three stacked lines: “THINK,” “TWICE,” and “BEFORE.”","membership":"Includes all letterforms of this title block, including letters during their gray-to-black reveal. Excludes the halo above, eye to the left, and background.","id":"obj_017","temporal":{"status":"found","start_s":13.75,"end_s":14.0,"reference_s":13.75,"evidence":"目标为右侧三行粗体标题“THINK / TWICE / BEFORE”，不含上方光环。13.75秒首次完整显示全部字母，末尾E仍为灰色，但属于指定成员；该帧也是最后合格帧。前一帧13.50秒第三行仅揭示到“BEF”，标题尚未完整。区间延伸至视频结尾14.00秒，无后续采样帧。选择13.75秒为关键帧，因为完整标题清晰且无遮挡。","start_frame":330,"end_frame":336,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[484.4,155.6,832.3,614.8],"positive_points":[[510.4,222.2],[734.4,222.2],[562.5,379.6],[765.6,418.5],[500,553.7],[802.1,553.7]],"negative_points":[[640.6,30.6],[213.5,527.8],[885.4,407.4],[651,740.7]],"evidence":"目标是右侧三行粗体标题“THINK / TWICE / BEFORE”。边界框紧贴完整标题，包含末尾灰色显现中的字母E。六个正点分布在三行左右两侧的字母笔画上；负点位于上方光环、左侧眼睛及标题右侧和下方的外部背景。"}}]}
+{"video_id":131,"video_type":"visual design and media animation","targets":[{"name":"Red ring emerging from the left","description":"A red line enters from the lower-left edge, curls upward, and develops into a thick red ring with a fine inner arc. This ring moves toward the upper part of the composition before enlarging and overlapping its counterpart.","membership":"Include the visible line and its developing curved bands. While open, follow the actual strokes without closing their gaps. Once a closed ring forms, include its outer boundary and enclosed area, including the inner arc and central opening. Exclude the other ring and independent credit text.","id":"obj_001","temporal":{"status":"found","start_s":4.5,"end_s":5.75,"reference_s":5.0,"evidence":"目标是由左下方红线卷起形成、随后向上移动的左侧红环，含细内弧，不含右环及文字。4.50秒首次具有完整环形外轮廓，之后的缺口变化、增厚和旋转属于形变；前一帧4.25秒仍有尾线及未完成的衔接。最后合格帧为5.50秒，5.75秒该环顶部首次被画面边缘裁切。选择5.00秒作关键帧，此时红环完整清晰，与另一红环分离。","start_frame":108,"end_frame":138,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[195,145,402,638],"positive_points":[[297,194],[216,367],[287,584],[381,415],[331,479],[296,385]],"negative_points":[[698,436],[772,660],[146,466],[454,256]],"evidence":"目标是画面左上方的红环，与右下方另一红环区分。边界框紧贴左环的完整外缘；正点分布于粗红环、细内弧及按规则纳入的中央封闭区域，负点位于右侧另一红环和目标外部的浅色背景。"}},{"name":"Red ring emerging from the right","description":"A red line enters from the upper-right edge, curls downward, and develops into a thick red ring with a fine inner arc. This ring moves toward the lower part of the composition before enlarging and overlapping its counterpart.","membership":"Include the visible line and its developing curved bands. While open, follow the actual strokes without closing their gaps. Once a closed ring forms, include its outer boundary and enclosed area, including the inner arc and central opening. Exclude the other ring and independent credit text.","id":"obj_002","temporal":{"status":"found","start_s":4.5,"end_s":5.5,"reference_s":5.0,"evidence":"根据从右上方进入、向下卷曲并移向右下方的运动轨迹确认目标，排除左侧另一圆环。4.50秒外圈结构已完整建立，内部缺口及细弧随后继续变化；此前4.25秒仍带有末端直线，处于卷曲构建阶段。最后合格帧为5.25秒，5.50秒圆环下缘首次被画面底边裁切。选择5.00秒作为关键帧，此时目标完整清晰，与另一圆环及文字均无重叠。","start_frame":108,"end_frame":132,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[591,388,798,880],"positive_points":[[692,435],[776,617],[698,828],[610,617],[654,569],[695,641]],"negative_points":[[220,360],[365,467],[695,247],[848,815]],"evidence":"目标是画面右下方的红环，与左上方另一红环区分。边界框紧贴其完整外缘，涵盖粗红环、细内弧及按规则包含的中央开口。六个正点分布于环带、内弧和中心区域；负点位于左侧另一红环及目标外部背景。"}},{"name":"ANNAPURNA PICTURES presentation credit","description":"A centered red text block reading “ANNAPURNA PICTURES” with smaller “PRESENTS” beneath it, initially positioned between the two moving rings.","membership":"Include all three lines as one text block. Exclude the cream background and the animated rings, including portions that pass over the lettering.","id":"obj_003","temporal":{"status":"found","start_s":6.25,"end_s":9.5,"reference_s":7.5,"evidence":"目标是居中的红色三行文字“ANNAPURNA / PICTURES / PRESENTS”，不包含两侧圆环。6.25秒首次完成淡入并清晰呈现，之前6.00秒仍略显模糊；最后合格帧为9.25秒，圆环虽遮住部分文字，但文字仍持续存在，9.50秒开始变淡、模糊。选择7.50秒作为关键帧，三行文字完整清晰且无遮挡。","start_frame":150,"end_frame":228,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[418,440.6,582.5,556],"positive_points":[[422.4,444.1],[577.6,444.1],[435.1,496.5],[563,489.5],[469.5,547.8],[529.3,543.1]],"negative_points":[[478.5,276.2],[507.8,716.8],[371.1,500],[625,500]],"evidence":"目标是两枚红色圆环之间的居中红色署名文字。边界框紧贴“ANNAPURNA”“PICTURES”和较小的“PRESENTS”三行整体；六个正点分布在三行的字形笔画上，负点位于上下圆环及文字左右的奶油色外部背景，不包含文字内部空隙。"}},{"name":"Cream two-lobed graphic","description":"A cream graphic against red, with rounded lobes joined by a narrow waist. It rotates into a horizontal arrangement with a small rounded left end and a much larger right end extending beyond the frame.","membership":"Include the cream shape within its actual curved outline and narrow connecting waist, limited to its visible portion. Preserve the concave sides rather than filling its bounding rectangle. Exclude the surrounding red field and credit text.","id":"obj_004","temporal":{"status":"found","start_s":12.0,"end_s":17.0,"reference_s":12.25,"evidence":"目标是红底上由细腰连接两个圆润端部的奶油色图形。12.00秒首次完整呈现双叶结构；此前11.75秒上下端仍被画面边缘截断，尚未完成显露。随后旋转、拉伸为左小右大的横向造型，右端的设计性裁切仍属同一目标。最后符合帧为16.75秒，17.00秒已替换为奶油色背景上的红色圆点。选择12.25秒作关键帧，此时两端及凹曲侧边均清楚可见，无遮挡。","start_frame":288,"end_frame":408,"reference_frame":294},"grounding":{"status":"found","bbox_xyxy":[339,51,828,739],"positive_points":[[377,645],[421,584],[490,524],[587,420],[721,181],[763,356]],"negative_points":[[410,360],[650,600],[880,260],[270,720]],"evidence":"图中奶油色图形由左下小圆叶、右上大圆叶及狭窄连接腰部组成。边界框紧贴其完整可见轮廓；六个正点分布于两端叶片和连接部，四个负点均位于轮廓之外、远离边缘的红色背景上，不将凹侧区域填入目标。"}},{"name":"Writing and directing credit","description":"An upper-left cream text block on red reading “WRITTEN & DIRECTED BY” above the larger name “SPIKE JONES”.","membership":"Include the heading and name as one complete text block. Exclude the adjacent cream animated shape and the red background.","id":"obj_005","temporal":{"status":"found","start_s":13.0,"end_s":16.25,"reference_s":14.0,"evidence":"目标是红色背景左上方的奶油色两行文字：“WRITTEN & DIRECTED BY”和“SPIKE JONES”，不包含旁边的动画形状。13.00秒为文字完整清晰呈现的首帧，16.00秒为最后合格帧；此前12.75秒仍处于模糊淡入阶段，此后16.25秒开始模糊淡出。选择14.00秒作为关键帧，文字清晰完整且无遮挡。","start_frame":312,"end_frame":390,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[114,100,295,166],"positive_points":[[116.7,106.1],[188.5,109.6],[291,106.1],[118.2,152.7],[168,152.7],[271,151.5]],"negative_points":[[200,65],[200,207],[85,136],[385,502]],"evidence":"目标是左上角的奶油色两行署名，上行为“WRITTEN & DIRECTED BY”，下行为较大的“SPIKE JONES”。边界框紧贴完整文字块，正点分布在两行字母笔画上；负点位于文字外的红色背景及右侧奶油色动画形状内。"}},{"name":"Concentric red target animation","description":"A red disk appears on the left of a cream field and becomes the center of multiple concentric pink and red rings. A wedge opens through the rings, which subsequently unfold into staggered vertical bands.","membership":"Include the central disk and the surrounding concentric pattern as one coherent graphic. Closed rings include their boundaries and enclosed areas. As the pattern opens and unfolds, follow its actual arcs, bands, and exposed concavities without filling the removed wedge or gaps. Exclude the independent credits on the right.","id":"obj_006","temporal":{"status":"found","start_s":17.5,"end_s":23.5,"reference_s":19.0,"evidence":"目标是左侧红色圆心及周围粉红、红色同心环，不含右侧字幕。17.50秒同心图案已完整建立；17.25秒仍处于初始环层展开显现阶段。随后开楔口、展开为错落条带属于同一图形的变形。最后纳入23.25秒，23.50秒圆心及图案上部开始越过画面上边界退出。选择19.00秒作为关键帧，此时圆心和各层闭合圆环清楚，且与字幕分离。","start_frame":420,"end_frame":564,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[0,0,566,1000],"positive_points":[[130,500],[215,325],[253,778],[338,199],[436,706],[541,493]],"negative_points":[[620,450],[808,161],[791,750],[948,501]],"evidence":"左侧红色中心圆盘与多层粉红同心环构成目标，当前环形闭合，包含其围成的区域。边界框覆盖整个可见图案，左、上、下缘被画面裁切，右缘到最外层浅粉弧。六个正点分布在圆心及不同环层，负点位于右侧奶油色背景和独立演职员字幕上。"}},{"name":"Producer credits","description":"The upper-right red text block headed “PRODUCED BY”, followed by “SPIKE JONES”, “VINCENT LANDAY”, and “MEGAN ELLISON”.","membership":"Include the heading and all three names as one text block. Exclude the concentric graphic, cream background, and separate executive-producer block below.","id":"obj_007","temporal":{"status":"found","start_s":18.25,"end_s":21.5,"reference_s":19.0,"evidence":"目标是右上方红色“PRODUCED BY”及其下方 SPIKE JONES、VINCENT LANDAY、MEGAN ELLISON 三行姓名，不包含下方执行制片人名单。首个完整清晰呈现帧为18.25秒，最后符合条件帧为21.25秒；此前18.00秒仍处于模糊渐显阶段，此后21.50秒开始模糊淡出。选择19.00秒作为关键帧，文字清晰完整，且与左侧图形及下方名单分离。","start_frame":438,"end_frame":516,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[692.4,108.4,911.1,305.4],"positive_points":[[751.5,115.4],[784.2,159.7],[716.8,226.1],[899.0,231.9],[694.3,292.5],[903.8,292.5]],"negative_points":[[195.3,501.2],[634.8,291.4],[719.2,751.7],[810.5,52.4]],"evidence":"目标是右上方红色制片人字幕，边界框覆盖“PRODUCED BY”标题及其下三行姓名。六个正点分布在标题和各行姓名的字形笔画上；负点位于左侧同心圆、文字块外的米色背景及下方独立的执行制片人字幕。"}},{"name":"Executive producer credits","description":"The lower-right red text block headed “EXECUTIVE PRODUCERS”, followed by “DANIEL LUPI”, “CHELSEA BARNARD”, and “NATALIE FARREY”.","membership":"Include the heading and all three names as one text block. Exclude the concentric graphic, cream background, and separate producer block above.","id":"obj_008","temporal":{"status":"found","start_s":18.25,"end_s":21.75,"reference_s":19.0,"evidence":"目标为右下方红色文字组，含“EXECUTIVE PRODUCERS”标题及 DANIEL LUPI、CHELSEA BARNARD、NATALIE FARREY 三个姓名，不含上方制片人名单。18.25 秒首次完整清晰呈现，前一帧 18.00 秒仍处于模糊淡入；21.50 秒为最后合格帧，21.75 秒开始模糊淡出。选择 19.00 秒作为关键帧，文字清晰完整、无遮挡，且与上方文字组容易区分。","start_frame":438,"end_frame":522,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[669.9,698.1,929.7,895.1],"positive_points":[[717.8,705.1],[803.7,751.7],[671.4,817.0],[924.3,817.0],[688.5,882.3],[909.2,889.3]],"negative_points":[[804,290],[280,510],[950,800],[803,943]],"evidence":"目标是右下方以“EXECUTIVE PRODUCERS”为标题的红色字幕块。边界框紧密覆盖标题及下方三行姓名；六个正点分布在标题和各行姓名的字形笔画上。负点位于上方独立制片人字幕、左侧同心圆图案以及目标右侧和下方的米色背景。"}}]}
+{"video_id":132,"video_type":"visual design and media animation","targets":[{"name":"Mint-green operating hand","description":"Large stylized mint-green hand and forearm entering from the right in the opening yellow scene and grasping the purple pull.","membership":"Include the visible hand, fingers, nails, and connected forearm, following their silhouette. Exclude the purple pull, background, and cast shadow.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":3.75,"reference_s":0.25,"evidence":"目标是黄色开场中从右侧伸出、抓握紫色拉球的薄荷绿色手及相连前臂。首个合格帧为0.00秒，手部结构已完整呈现，前臂在右侧的裁切属于设计构图；视频起点之前无采样帧。最后合格帧为3.50秒，随后3.75秒手向上移动，拇指开始被画面上边界裁切，故不纳入。选择0.25秒作为关键帧，手掌、手指及指甲轮廓清楚，遮挡较少。","start_frame":0,"end_frame":90,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[347.7,123.3,1000,415.8],"positive_points":[[555,162],[407,218],[387,285],[409,339],[451,391],[824,287]],"negative_points":[[502,169],[299,289],[788,449],[550,551]],"evidence":"目标是从右侧伸入、靠近紫色拉球的薄荷绿色手与前臂。边界框紧贴拇指、四指及连接前臂的可见轮廓，右边到图像边缘。六个正点分布在拇指、四根手指和前臂上；负点位于紫色拉球、外部黄色背景及下方蓝色文字上，不包含投影。"}},{"name":"Purple cord pull","description":"Small purple spherical pull suspended from a thin vertical purple cord above the opening hand.","membership":"Include the ball and visible attached cord. Exclude the operating hand and shadow.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":4,"reference_s":3.25,"evidence":"目标是开场手掌上方的紫色球形拉头及其连接的细紫色竖绳，不含手和阴影。首个合格帧为0.00秒，最后为3.75秒，球体和可见绳段始终保持完整；4.00秒画面转为家具场景，拉头已不可见。区间从视频开头开始，无更早帧。选择3.25秒作为关键帧，此时球体与手掌分离，球和绳轮廓清晰，便于标注。","start_frame":0,"end_frame":96,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[488.3,0,515.6,192.7],"positive_points":[[502,28],[502,79],[502,128],[501,157],[494,170],[507,180]],"negative_points":[[478,133],[528,111],[550,263],[501,530]],"evidence":"目标是张开手掌上方的紫色球形拉坠及其竖直细绳。边界框紧贴球���和延伸至图像顶边的可见绳索；正点分布在绳索和球体上，负点位于周围黄色背景及浅绿色手掌上，不包含手和阴影。"}},{"name":"IKEA wordmark","description":"Large blue uppercase “IKEA” lettering centered beneath the opening hand.","membership":"Include the letter shapes and their visible thickness during rotation. Exclude spaces, letter openings, the yellow background, and the later four-block symbol.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标为开场手掌下方居中的蓝色大写 IKEA 字样。首个合格帧为0.00秒，字形已完整呈现；最后合格帧为1.75秒，旋转中的字形及厚度仍可见。紧接的2.00秒帧已变为明确排除的四块蓝色符号。区间到达视频起点，没有更早帧。选择0.50秒作为关键帧，字形正面清晰、完整且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[298,438,701,568],"positive_points":[[321,496],[389,488],[449,539],[510,504],[566,454],[670,539]],"negative_points":[[258,497],[740,503],[500,646],[540,330]],"evidence":"目标是张开的手下方蓝色大写“IKEA”字标。边界框紧贴四个字母的整体可见范围；六个正点分布在各字母的实心笔画上，四个负点位于字标外侧的黄色背景及上方手掌上，避开字间空隙和字母内部开口。"}},{"name":"Four blue blocks","description":"Horizontal row of four dark-blue rectangular blocks that replaces the readable opening wordmark.","membership":"Include the four filled rectangular shapes as one compact graphic. Exclude the gaps between them, the hand, and background.","id":"obj_004","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.75,"evidence":"目标是取代开场 IKEA 字样的横向四个深蓝色实心矩形。首个合格帧为 2.00 秒，四块均已完整呈现；最后合格帧为 3.75 秒。此前 1.75 秒仍是可读字样，尚未变成四个矩形；此后 4.00 秒已切换为家具场景，矩形消失。选择 2.75 秒作为关键帧，四块形状清晰、无遮挡，易与手和背景区分。","start_frame":48,"end_frame":96,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[297.9,657.1,701.2,734.4],"positive_points":[[322,694],[392,682],[466,713],[536,696],[610,680],[680,716]],"negative_points":[[280,694],[724,695],[490,620],[519,778]],"evidence":"目标是图像下半部横向排列的四个深蓝色实心矩形。边界框紧贴整组矩形的外缘；六个正点分布于四块矩形内部，四个负点位于整组外围的黄色背景上，避开块间空隙和上方手部。"}},{"name":"Black floor lamp","description":"Tall black standing lamp to the left of the orange sofa in the ochre living-room arrangement, with a shade that turns downward to reveal its light.","membership":"Include the shade, enclosed bulb, curved upper neck, narrow stem, and base. Exclude illumination, shadows, and surrounding furniture.","id":"obj_005","temporal":{"status":"found","start_s":4.0,"end_s":6.75,"reference_s":5.5,"evidence":"目标是赭色客厅中橙色沙发左侧的黑色落地灯，包含灯罩、罩内灯泡、上部弯颈、细杆和底座。4.00秒首次完整出现，之后灯罩转向下方、弯颈变形，属于完整对象的动画；最后合格帧为6.50秒。此前3.75秒仍是黄色背景与手，尚无灯；此后6.75秒已切换为另一套家具，目标消失。选择5.50秒，灯罩朝下且灯泡清晰，整灯完整、无遮挡，便于标注。","start_frame":96,"end_frame":162,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[258,306,345,748],"positive_points":[[302,328],[313,359],[314,389],[302,512],[302,677],[321,741]],"negative_points":[[279,452],[386,530],[239,608],[562,641]],"evidence":"目标是橙色沙发左侧的黑色落地灯。边界框紧贴弯曲上颈、向下灯罩及内含灯泡、细长灯杆和底座。六个正点分布在这些实体部件上；负点位于灯旁阴影、外部背景、沙发和前方桌面，排除光照、阴影及其他家具。"}},{"name":"Orange sofa","description":"Orange upholstered sofa with three back sections, rounded roll arms, and short dark feet in the first living-room arrangement.","membership":"Include the complete upholstered body, arms, cushions, and feet. Exclude the coffee table and other objects in front of it.","id":"obj_006","temporal":{"status":"found","start_s":4.0,"end_s":6.75,"reference_s":5.5,"evidence":"目标是首个客厅布置中的橙色三段靠背沙发，具有圆卷扶手和短深色脚。4.00秒首次完整呈现，虽有转动且部分被茶几遮挡，沙发自身结构已建立；6.50秒为最后合格帧。此前3.75秒仍是黄色背景上的手和蓝色图形；此后6.75秒已换成另一布置中的棕色双段靠背沙发。选择5.50秒，橙色沙发正面形状清晰，便于区分沙发与前方茶几。","start_frame":96,"end_frame":162,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[341.8,474.8,623.5,748.3],"positive_points":[[386,526],[481,544],[359,590],[606,589],[417,682],[371,730]],"negative_points":[[632,641],[487,687],[312,361],[724,598]],"evidence":"目标是画面中央具有三段靠背、圆卷扶手和短深色脚的橙色沙发。边界框覆盖可见软包主体、扶手、坐垫及沙发脚；正点分布在靠背、两侧扶手、下部软包和左脚，负点位于前方茶几的桌面及桌腿、左侧落地灯和右侧绿色凳子，排除这些独立物体。"}},{"name":"Lime-green coffee table","description":"Low table assembled in front of the orange sofa, with a bright green rectangular top, a hanging green side section, and dark supports.","membership":"Include the tabletop, attached side section, legs, and cross-supports, including these parts while they assemble. Exclude the separate black tray and green bowl.","id":"obj_007","temporal":{"status":"found","start_s":4.75,"end_s":6.75,"reference_s":5.5,"evidence":"目标是橙色沙发前的亮绿色矮茶几，包括矩形桌面、下垂侧板及深色桌腿和横撑，不包括黑托盘和绿碗。4.75秒首次完整呈现，6.50秒为最后合格帧；此前4.50秒侧板和支撑结构尚在展开组装，此后6.75秒已切换家具场景，茶几消失。选择5.50秒，茶几结构清晰且无遮挡，便于标注。","start_frame":114,"end_frame":162,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[469.7,630.2,644.5,748.3],"positive_points":[[503,640.6],[632.3,640.6],[475.6,686.6],[486.8,684],[593.8,737.8],[537.1,715.3]],"negative_points":[[515.1,621.5],[568.4,610],[442.4,552],[722.7,600]],"evidence":"目标是橙色沙发前的低矮绿桌。边界框紧贴绿色桌面、左侧下垂绿板、黑色桌腿及横撑；正点分布在这些部件上。负点位于明确排除的黑托盘和绿碗，以及旁边的橙色沙发和右侧绿凳上。"}},{"name":"Black tabletop tray","description":"Shallow elongated black tray that floats into place on the left side of the green coffee table.","membership":"Include the complete tray, its rim, and enclosed interior. Exclude the table beneath it and its shadow.","id":"obj_008","temporal":{"status":"found","start_s":4.0,"end_s":6.75,"reference_s":5.5,"evidence":"目标是绿色茶几左侧的浅黑色长托盘，与右侧绿色碗区分。4.00秒首次可见完整托盘，随后倾斜漂浮并落到桌面，至6.50秒仍完整可见；前一帧3.75秒只有手和黄色背景，后一帧6.75秒已切换家具场景，托盘消失。选择5.50秒作为关键帧，托盘轮廓清楚、无遮挡，且与桌面及碗易于区分。","start_frame":96,"end_frame":162,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[487.8,615.5,546,631.1],"positive_points":[[490.7,618.9],[500.5,624.1],[511.7,618.1],[522.5,626.7],[532.7,618.9],[542,622.4]],"negative_points":[[517.6,641.5],[568.8,610.2],[498,591.1],[659,609.4]],"evidence":"目标是绿色茶几左侧、绿色碗左边的黑色浅长托盘。边界框紧贴完整托盘，包含盘沿及内部，不含桌面和阴影。六个正点分布在托盘左右端、盘沿和内部；负点位于绿色桌面、碗、橙色沙发及右侧背景上。"}},{"name":"Green patterned bowl","description":"Small green hemispherical bowl with a dotted or perforated pattern that settles on the right side of the coffee table.","membership":"Include the bowl’s outer surface, rim, and enclosed interior. Exclude the table and surrounding space.","id":"obj_009","temporal":{"status":"found","start_s":4.0,"end_s":6.75,"reference_s":5.5,"evidence":"目标是带点状镂空纹样的绿色半球形小碗，先在空中翻转，随后落在茶几右侧。首个合格帧为4.00秒，碗体已完整呈现；前一帧3.75秒仍是手和黄色背景，没有碗。最后合格帧为6.50秒，6.75秒已切换为另一组家具，碗不再出现。选择5.50秒作为关键帧，此时碗稳定置于桌面，轮廓和纹样清晰，无遮挡。","start_frame":96,"end_frame":162,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[552.2,593.0,584.0,630.2],"positive_points":[[556.0,599.0],[567.0,599.8],[580.0,603.0],[556.5,610.0],[566.5,623.0],[576.5,614.5]],"negative_points":[[569.0,641.5],[513.0,622.5],[562.0,568.5],[605.0,591.0]],"evidence":"目标是咖啡桌右侧带点状纹理的绿色半球形小碗。边界框紧贴碗口及弧形碗身；正点分布于碗口、内部和外表面，负点位于下方桌面、左侧黑色托盘及周围橙色沙发上。"}},{"name":"Headphones and white stand","description":"Black over-ear headphones and a white supporting stand that assemble above the green stool to the right of the orange sofa.","membership":"Include both ear cups, the connecting headband, and the white stand and base, including their separated assembly positions. Exclude open space around the components and the green stool.","id":"obj_010","temporal":{"status":"found","start_s":4.0,"end_s":6.75,"reference_s":5.5,"evidence":"目标是橙色沙发右侧、绿色凳子上方的黑色双耳罩耳机及白色支架和底座。4.00秒首次完��显示这些部件，包含描述明确纳入的分离装配状态；3.75秒仍是手与黄色背景，没有目标。最后符合条件的帧为6.50秒，6.75秒已切换为另一组家具，目标消失。选择5.50秒作为关键帧，耳机与支架已组装，轮廓清晰且无遮挡。","start_frame":96,"end_frame":162,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[698.7,481.8,749.0,580.7],"positive_points":[[706.7,551.0],[739.0,550.0],[724.0,495.0],[723.8,486.5],[724.0,535.0],[723.0,575.0]],"negative_points":[[724.0,598.0],[605.0,590.0],[775.0,539.0],[674.0,531.0]],"evidence":"目标位于橙色沙发右侧、绿色凳子上方。边界框紧贴黑色耳机及白色支架整体，包含双耳罩、头带、支架顶部、立柱和底座。六个正点分布在这些实体部件上；负点位于绿色凳子、橙色沙发及两侧墙面，避开组件间的空隙。"}},{"name":"Green stool","description":"Bright green stool to the right of the first living-room arrangement, initially represented by its round seat before its legs unfold.","membership":"Include the seat, splayed legs, and connecting brace. Exclude the headphone stand resting on it and cast shadows.","id":"obj_011","temporal":{"status":"found","start_s":4.75,"end_s":6.75,"reference_s":5.5,"evidence":"目标是第一组客厅右侧、耳机支架下方的亮绿色凳子，包括座面、外撇腿和横撑。4.75秒首次完整呈现，前一帧4.50秒仅见座面，凳腿尚未展开；最后合格帧为6.50秒，后一帧6.75秒已切换为其他家具，绿凳消失。选择5.50秒为关键帧，凳子结构清晰完整，便于排除上方耳机支架及投影。","start_frame":114,"end_frame":162,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[676.8,579.9,771.5,748.3],"positive_points":[[723.1,597.2],[703.1,637.2],[689.9,724.8],[740.2,638.9],[756.8,724.0],[722.7,714.4]],"negative_points":[[707.5,549.5],[723.1,534.7],[788.1,696.2],[625.0,639.8]],"evidence":"目标是橙色沙发右侧、耳机架下方的亮绿色凳子。边界框紧贴凳面、外撇双腿及横向连接撑；六个正点分布于这些绿色部件。负点位于耳机、白色耳机架、右侧投影背景及左侧茶几，排除承放物和阴影。"}},{"name":"Cream fingertip below the orange sofa scene","description":"Oversized cream-colored fingertip with a tan nail entering from the lower-left edge beneath the ochre living-room arrangement.","membership":"Include the visible finger and nail only. Exclude the room graphics and shadow.","id":"obj_012","temporal":{"status":"found","start_s":5.75,"end_s":6.75,"reference_s":6.25,"evidence":"目标是橙色沙发所在赭黄色场景下方、左下边缘伸出的奶油色指尖及棕黄色指甲。5.75秒指尖和指甲已完整可辨，指身延伸到画外属于该指尖设计的裁切；最后合格帧为6.50秒。此前5.50秒尚无手指，之后6.75秒切换为另一家具场景，目标消失。选择6.25秒，指尖轮廓和指甲清晰且无遮挡。","start_frame":138,"end_frame":162,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[127.4,783.9,180.2,1000],"positive_points":[[145,818],[132,837],[165,859],[147,907],[142,974],[171,975]],"negative_points":[[105,868],[202,922],[194,773],[396,678]],"evidence":"目标是画面左下方从底边伸入的奶油色手指，顶部有棕黄色指甲。边界框紧贴可见指尖及指身，并截于图像底边，不包含阴影。六个正点分布于指甲和指身各处；负点位于周围赭色背景及上方橙色沙发上。"}},{"name":"Wooden slatted wardrobe","description":"Tall pale-wood wardrobe on the left of the muted-green furniture arrangement, later opening in the red arrangement to reveal hanging clothes and storage boxes.","membership":"Include the frame, legs, slatted door, enclosed interior, clothes rail, hangers, garments, and stored boxes. Exclude the separate small objects displayed on top, adjacent wall rail, and background.","id":"obj_013","temporal":{"status":"found","start_s":6.75,"end_s":9.5,"reference_s":8.75,"evidence":"目标是家具组合左侧的高大浅木色条栅衣柜，随后在红色场景中打开，露出衣架、衣物和储物箱。首个合格帧为6.75秒，柜体、条栅门和柜腿已完整呈现；前一帧6.5秒仍是橙色沙发场景，没有衣柜。最后合格帧为9.25秒，衣柜虽在移动和转动，但结构仍完整；9.5秒已切换为紫色书桌场景，衣柜消失。选择8.75秒作为关键帧，衣柜正面及内部物品清晰、无遮挡，便于排除顶部独立摆件。","start_frame":162,"end_frame":228,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[95.7,307.3,285.2,756.1],"positive_points":[[118,365],[171,621],[234,465],[216,674],[282,535],[254,314]],"negative_points":[[210,284],[272,279],[402,322],[405,650]],"evidence":"目标是画面左侧敞开的浅木色高衣柜。边界框覆盖柜架、柜腿、木条门及柜内衣杆、衣架、衣物和收纳箱；正点分布在门板、框架、衣物和箱子上。负点位于柜顶独立摆件、墙面横轨和旁边紫色柜体，均不属于目标。"}},{"name":"Dark-green two-seat sofa","description":"Dark-green sofa centered in the muted-green arrangement, with two large back cushions, two seat sections, narrow arms, and green feet.","membership":"Include its upholstered body, cushions, arms, base, and feet. Exclude the adjacent chair, wardrobe, and wall fixture.","id":"obj_014","temporal":{"status":"found","start_s":6.75,"end_s":8.0,"reference_s":7.25,"evidence":"目标是 muted-green 场景中央的双人沙发，具有两块大靠垫、双座面、窄扶手和绿色脚。6.75秒首次完整呈现，虽处于棕色向深绿色的变色阶段，结构已齐全；7.75秒为最后 qualifying 帧。此前6.50秒仍是橙色沙发的另一套布景，之后8.00秒目标已被电视柜布景替换。选择7.25秒，沙发深绿色外形清晰、无遮挡，便于标注。","start_frame":162,"end_frame":192,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[356.4,474.8,609.4,752],"positive_points":[[425,539],[552,547],[423,659],[550,663],[364,554],[599,735]],"negative_points":[[681,568],[249,561],[504,335],[490,414]],"evidence":"目标是画面中央的深绿色双人沙发，可见两块靠背、两段座面、窄扶手及绿色支脚。边界框紧贴沙发整体，涵盖软包主体、底座和支脚。正点分布于靠背、座面、左扶手及右侧支脚；负点位于相邻椅子、左侧柜体、上方墙面装置及外部墙面背景。"}},{"name":"Dark chair with green seat cushion","description":"Dark high-backed chair to the right of the two-seat sofa, with a small mint-green seat cushion and slender black legs.","membership":"Include the back, curved sides, seat cushion, legs, and braces. Exclude the sofa behind it, neighboring trolley, and shadows.","id":"obj_015","temporal":{"status":"found","start_s":6.75,"end_s":8.0,"reference_s":7.5,"evidence":"目标位于双人沙发右侧、白色推车左侧，具有高靠背、弯曲侧翼、薄荷绿色坐垫及细黑椅腿和横撑。6.75秒已完整呈现，虽仍侧向旋转；7.75秒为最后符合帧。此前6.50秒仍是橙色沙发场景，没有该椅；之后8.00秒椅子已开始变形成绿色柜体，不再保持目标结构。选择7.50秒，椅子轮廓与坐垫清楚且无遮挡。","start_frame":162,"end_frame":192,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[611,504,719,753],"positive_points":[[684,541],[704,620],[646,631],[618,720],[702,723],[632,686]],"negative_points":[[566,577],[770,605],[679,451],[674,792]],"evidence":"目标是双人沙发右侧、推车左侧的深色高背椅，带薄荷绿色坐垫。边界框覆盖椅背、弧形侧面、坐垫及细腿和横撑，不含阴影。正点分布在这些椅子部件上；负点位于沙发、推车以及椅子上方和下方的外部背景。"}},{"name":"White rolling trolley","description":"Narrow white-framed trolley at the far right of the muted-green arrangement, with two pale wooden shelves and small wheels.","membership":"Include its white frame, shelf surfaces, and wheels. Follow the frame and shelves without filling the open spaces between them. Exclude background and shadows.","id":"obj_016","temporal":{"status":"found","start_s":6.75,"end_s":8.25,"reference_s":7.5,"evidence":"目标是 muted-green 场景最右侧带浅木色双层搁板和小轮的白框推车。6.75 秒首次完整可见，虽呈侧向但框架、搁板和轮子已齐全；8.00 秒转至近侧面，仍可见窄框及底部小轮，是最后合格帧。此前 6.50 秒为橙色沙发场景，没有推车；之后 8.25 秒该位置已变为绿色抽屉柜。选择 7.50 秒，推车正面结构清楚且无遮挡。","start_frame":162,"end_frame":198,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[724.1,560.8,816.9,753.5],"positive_points":[[769.5,604.2],[772.9,681.4],[732.9,618.9],[809.6,643.2],[734.9,744.8],[805.7,744.8]],"negative_points":[[681.2,581.6],[844.7,651.0],[771.5,797.7],[769.0,520.8]],"evidence":"目标位于黑色椅子右侧，是带两层浅木色搁板及小轮子的白框推车。边界框紧贴白色框架、搁板和底部轮子的可见范围，不含阴影。六个正点分布在两层搁板、两侧框架和两个轮子上；负点位于左侧椅子及推车上方、右方和下方的外部背景，避开内部开放空间。"}},{"name":"Long wall organizer rail","description":"Long horizontal wall fixture above the muted-green sofa, changing from a recessed strip to a perforated rail and later carrying two picture cards and a striped bag above the office desk.","membership":"Include the rail surface, outer boundary, slots or holes, hooks, and attached hanging contents when present. Exclude unattached furniture, the laptop below it, and the background between hanging items.","id":"obj_017","temporal":{"status":"found","start_s":7.0,"end_s":12.0,"reference_s":10.5,"evidence":"目标是沙发上方的长条墙面收纳轨，连续变为带孔轨道，并在办公桌场景挂上两张图片卡和条纹包。首个合格帧为7.00���，6.75秒仍是未展开成完整长条的L形结构；最后合格帧为11.75秒，12.00秒轨道及挂件被滑动控件替换。选择10.50秒作关键帧，轨道边界、孔位及挂件清晰，无遮挡。","start_frame":168,"end_frame":288,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[329,309,620,437],"positive_points":[[339,320],[469,320],[607,320],[365,360],[365,411],[592,374]],"negative_points":[[450,405],[473,519],[685,444],[232,461]],"evidence":"目标是书桌上方的长条壁挂轨道，挂着两张图卡和一个条纹包。边界框覆盖轨道、孔槽及挂钩和全部悬挂物；六个正点分布在轨道三处、两张图卡和包上。负点位于挂件之间的墙面、下方电脑、右侧洞洞板及左侧置物架，均不属于目标。"}},{"name":"Gray fingertip below the muted-green scene","description":"Oversized gray-green fingertip with a pale cyan nail entering from the lower-right edge beneath the muted-green furniture arrangement.","membership":"Include the visible finger and nail. Exclude the room, furniture, and shadow.","id":"obj_018","temporal":{"status":"found","start_s":7.75,"end_s":8.0,"reference_s":7.75,"evidence":"目标是灰绿色家具场景下方、带浅青色指甲的灰绿色大手指。首末合格帧均为7.75秒，此时指尖和指甲完整可见，指身向画面底部延伸属于刻意裁切的设计。前一帧7.50秒仍从右下方进入，指尖右侧被边界截断；后一帧8.00秒已移至左边缘并在退出时被截断。选择7.75秒作为关键帧，指尖轮廓与指甲最清楚。","start_frame":186,"end_frame":192,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[887,821,936,1000],"positive_points":[[914,842],[927,873],[905,905],[922,931],[898,978],[928,983]],"negative_points":[[880,918],[956,884],[856,979],[769,682]],"evidence":"目标是画面右下方从底边伸入的灰绿色手指，带浅青色指甲。边界框覆盖可见手指和指甲，底部截于图像边缘，不含左侧阴影。正点分布在指甲及指身上，负点位于左侧阴影、外围背景和上方家具处。"}},{"name":"Black television","description":"Black flat-screen television with two angled feet above the purple cabinet in the red furniture arrangement.","membership":"Include the screen, bezel, body, and both feet. Exclude the supporting cabinet, wall rail, and background.","id":"obj_019","temporal":{"status":"found","start_s":8.0,"end_s":9.5,"reference_s":8.75,"evidence":"目标是红色家具场景中紫色柜子上方的黑色平板电视，包括机身、屏幕边框及两只斜脚。首个合格帧为8.00秒，电视已完整呈现但处于旋转角度；最后合格帧为9.25秒，电视虽缩小移动但仍完整。前一帧7.75秒尚无电视，后一帧9.50秒已切换为办公布置，电视消失。选择8.75秒作为关键帧，电视正面清晰、双脚可辨且无遮挡。","start_frame":192,"end_frame":228,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[400.9,388.9,554.2,573.8],"positive_points":[[419.4,425.3],[532.2,420.1],[441.9,508.7],[525.9,513.9],[417.5,556.4],[537.6,555.6]],"negative_points":[[463.9,623.3],[474.1,322.0],[370.1,467.9],[668.9,501.7]],"evidence":"目标是紫色柜子上方、带两只倾斜支脚的黑色平板电视。边界框紧贴屏幕、边框、机身及两只支脚；正点分布在屏幕不同部位和两只支脚上，负点位于下方紫柜、上方墙轨、左侧墙面及右侧绿色柜子，均不属于电视。"}},{"name":"Purple television cabinet","description":"Wide purple cabinet beneath the television, with two vented doors, pale round knobs, and short legs.","membership":"Include the cabinet body, top, doors, vents, knobs, and legs. Exclude the television standing above it and neighboring cabinets.","id":"obj_020","temporal":{"status":"found","start_s":8.25,"end_s":9.5,"reference_s":8.75,"evidence":"目标是电视下方的宽紫色柜，具有两扇带通风槽的门、浅色圆旋钮及短腿，不包括电视和右侧绿柜。8.25秒柜体结构首次完整呈现；9.25秒仍完整可见，虽在移动但符合条件。此前8.00秒柜体各部分尚未组合成完整外形；之后9.50秒已切换为书桌场景，紫柜消失。选择8.75秒作为关键帧，柜体正面清晰、无遮挡。","start_frame":198,"end_frame":228,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[340.8,572.9,614.3,755.2],"positive_points":[[472,578],[386,638],[562,677],[493,653],[345,738],[610,740]],"negative_points":[[477,460],[683,597],[151,538],[649,833]],"evidence":"目标是电视下方的宽紫色双门柜，具有百叶式通风纹、浅色圆钮和短腿。边界框紧贴柜顶、柜身、双门及柜腿，不含上方电视和相邻柜子。正点分布在柜顶、门板、圆钮及两侧柜腿；负点位于电视、右侧绿柜、左侧木柜和外部背景。"}},{"name":"Left dark-green storage cabinet","description":"Left member of the two narrow dark-green storage cabinets to the right of the television, with four vertically stacked compartments.","membership":"Include this cabinet’s own body, compartment fronts, handles, and feet. Exclude the matching cabinet immediately to its right, even when the pair touch.","id":"obj_021","temporal":{"status":"found","start_s":8.25,"end_s":9.5,"reference_s":8.75,"evidence":"目标是电视右侧两座深绿色窄柜中的左柜，包含四层 compartment 对应的柜面、把手和柜脚，不含右柜。首个合格帧为8.25秒，柜体结构已完整；此前8.00秒仍呈椅形向柜体转变的未完成结构。最后合格帧为9.25秒，柜体虽移动但仍完整可见；9.50秒已切换为紫色书桌场景，目标消失。选择8.75秒作为关键帧，左柜正面清晰、无遮挡，便于与右柜区分。","start_frame":198,"end_frame":228,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[625.5,473.5,684.5,755.2],"positive_points":[[651,507],[636,565],[659,622],[654,687],[628.5,739],[681,739]],"negative_points":[[712,508],[713,683],[597,647],[609,485]],"evidence":"目标是电视右侧并排深绿色窄柜中的左柜，有四层隔间。边框覆盖其柜体、隔间门板、把手及柜脚，不包含紧邻的右柜。正点分布在四层门板及两侧柜脚上；负点位于右柜、紫色电视柜和左侧外部墙面。"}},{"name":"Right dark-green storage cabinet","description":"Right member of the matching narrow dark-green storage cabinets in the red arrangement, with four vertically stacked compartments.","membership":"Include this cabinet’s own body, compartment fronts, handles, and feet. Exclude the matching cabinet immediately to its left.","id":"obj_022","temporal":{"status":"found","start_s":8.25,"end_s":9.5,"reference_s":8.75,"evidence":"目标是红色布景中两座窄深绿色储物柜的右侧一座，具有四层柜面、把手和柜脚。首个合格帧为8.25秒，最后为9.25秒；9.25秒虽在移动，柜体仍完整。此前8.00秒右侧物体仍呈带轮的窄条状变形结构，四层柜体尚未完整建立；此后9.50秒已切换为紫色书桌布景，目标消失。选择8.75秒作为关键帧，柜体正面清楚、无遮挡，且易与左侧配套柜区分。","start_frame":198,"end_frame":228,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[682.6,474,742.2,755.2],"positive_points":[[713,507],[693,567],[721,624],[712,686],[686,739],[739,739]],"negative_points":[[652,505],[654,681],[582,629],[770,595]],"evidence":"目标是右侧两座相邻深绿色窄柜中的右柜，具有四层隔间。边界框覆盖其柜体、四个柜面、把手和柜脚，不包含紧邻的左柜。正点分布于各层柜面及两侧柜脚；负点位于左侧同款柜、紫色电视柜及右侧红色背景。"}},{"name":"Cream fingertip beside the red scene","description":"Cream-colored fingertip with a tan nail entering horizontally from the lower-left edge of the red television-and-storage arrangement.","membership":"Include the visible finger and nail. Exclude the wardrobe, other furniture, and shadow.","id":"obj_023","temporal":{"status":"found","start_s":9.0,"end_s":9.5,"reference_s":9.0,"evidence":"目标是红色电视与储物家具场景左下方水平伸入的奶油色指尖，带棕褐色指甲；手指根部在画外属于有意裁切。首个合格帧为9.00秒，最后为9.25秒，两帧均完整呈现指尖和指甲。前一帧8.75秒尚无该手指，后一帧9.50秒已切换为紫色场景且手指消失。选择9.00秒作为关键帧，目标清晰且场景尚未开始切换。","start_frame":216,"end_frame":228,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[0,857.6,81.5,944.4],"positive_points":[[9.8,886.3],[24.4,920.1],[36.6,885.4],[51.8,902.8],[65.9,913.2],[70.8,894.1]],"negative_points":[[112.3,902.8],[53.7,961],[19.5,816],[165,652]],"evidence":"目标是从画面左下边缘横向伸入的奶油色手指，指尖带棕黄色指甲。边界框紧贴可见手指与指甲，不含下方阴影；六个正点分布在手指皮肤和指甲上，负点位于外围红色背景、下方阴影区域及左侧衣柜上。"}},{"name":"Black wall shelving unit","description":"Black rectangular unit on the left of the purple office arrangement, unfolding into two shelves containing small lidded jars and two gray storage boxes.","membership":"Include the outer frame, shelves, brackets, enclosed area, and displayed jars and boxes. Exclude the adjacent desk, wall rail, and background outside the unit.","id":"obj_024","temporal":{"status":"found","start_s":9.5,"end_s":12.0,"reference_s":10.5,"evidence":"目标是紫色办公场景左侧的黑色矩形壁架，展开后有两层搁板、小罐和灰色收纳盒。9.50秒首次以完整闭合形态出现，随后展开及内部物品变化不另行截断；11.75秒仍完整可见。前一帧9.25秒是衣柜和电视场景，后一帧12.00秒壁架已被落地灯展示区替换。选择10.50秒作为关键帧，此时框架、搁板及陈列物清晰且无遮挡。","start_frame":228,"end_frame":288,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[180.7,345.5,284.7,577.3],"positive_points":[[184,389],[278,568],[234,461],[222,434],[212,538],[254,533]],"negative_points":[[160,465],[306,473],[428,562],[478,322]],"evidence":"目标是画面左侧的黑色双层壁挂置物架。边界框紧贴外框，包含层板、支架、框内区域、带盖罐及两个灰色收纳盒，不包含外侧阴影。正点分布于黑色框架、层板、罐和收纳盒；负点位于架外紫色背景、右侧桌面及上方挂轨。"}},{"name":"Office desk with drawer pedestal","description":"Pale wooden desk in the purple office arrangement, supported by a slim left leg and a dark-blue drawer pedestal on the right.","membership":"Include the desktop, left leg and foot, and integrated right drawer pedestal with its drawer fronts, handles, and feet. Include these components during assembly. Exclude the laptop and pencil cup resting on the top.","id":"obj_025","temporal":{"status":"found","start_s":10.25,"end_s":12.0,"reference_s":10.5,"evidence":"目标是紫色办公场景中的浅木色桌面、左侧细腿及脚垫、右侧深蓝色抽屉柜组成的书桌，不含笔记本电脑和笔筒。首个完整呈现帧为10.25秒；此前10.0秒桌面倾斜，尚未与支撑部件组装完成。最后合格帧为11.75秒，书桌仍完整可见；12.0秒已开始被沙发场景替换，抽屉柜等结构不再完整呈现。选择10.5秒作为关键帧，桌面、桌腿和抽屉柜清晰且无遮挡。","start_frame":246,"end_frame":288,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[359.9,554.7,596.2,758.7],"positive_points":[[460.9,562.5],[377.4,651.9],[377.9,754.3],[565.4,594.6],[557.6,694.4],[580.6,753.5]],"negative_points":[[473.6,520.8],[529.8,538.2],[336.9,642.4],[615.2,684.9]],"evidence":"目标是画面中央的浅木色办公桌，左侧为细桌腿，右侧为深蓝色抽屉柜。边界框覆盖桌面、左腿及脚端、右侧抽屉柜及柜脚。正点分布于桌面、桌腿、抽屉柜和脚端；负点位于桌上的电脑、笔筒及桌子左右的外部背景，排除这些非目标内容。"}},{"name":"Open laptop","description":"Small black laptop that assembles above the office desk and settles at its center, displaying a white document with dark horizontal lines.","membership":"Include the display, bezel, hinge, keyboard base, and touchpad. Exclude the desk, wall rail, and surrounding space.","id":"obj_026","temporal":{"status":"found","start_s":9.75,"end_s":12.0,"reference_s":10.5,"evidence":"目标为办公桌上方组装后落到桌面中央的黑色打开笔记本电脑，包含屏幕、边框、铰链及带触控板的底座。9.75秒首次完整呈现，屏幕内容随后变化不影响起点；此前9.50秒仅见尚未组装完成的黑色部件。最后合格帧为11.75秒，12.00秒该区域已转换为沙发布景，电脑消失。选择10.50秒作为关键帧，此时电脑无遮挡、轮廓清楚，白色文档及深色横线可辨。","start_frame":234,"end_frame":288,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[449.2,486.1,497.1,555.6],"positive_points":[[452.1,514.8],[460.0,508.7],[473.1,525.2],[481.0,489.6],[494.0,528.6],[473.6,552.4]],"negative_points":[[499.0,562.5],[529.3,538.2],[427.2,509.5],[473.6,321.2]],"evidence":"目标是桌面中央显示白色横线文档的小黑色笔记本电脑。框紧贴可见屏幕、边框、铰链及底座；正点分布在显示区域、边框和底座，负点位于桌面、笔筒、左侧墙面及上方挂轨，排除周边物体。"}},{"name":"White office pegboard","description":"White rectangular perforated board to the right of the office desk, carrying overlapping green, blue, and yellow patterned sheets and small lower accessories.","membership":"Include the board surface, boundary, perforations, attached sheets, and mounted holders and accessories. Exclude floating transition pieces until attached, the nearby bag on the separate rail, and background.","id":"obj_027","temporal":{"status":"found","start_s":10.0,"end_s":12.0,"reference_s":10.5,"evidence":"目标是办公桌右侧的白色矩形穿孔板，带彩色图案纸张及下方安装配件。10.00秒板面、边界和孔洞已完整建立；尚未附着的漂浮过渡零件不计入目标。此前9.75秒仅见未展开的白色条状结构。最后合格帧为11.75秒，板及附件仍完整可见；12.00秒该位置已变为其他展示物，原板消失。选择10.50秒作关键帧，此时纸张和配件已附着，目标清晰且无遮挡。","start_frame":240,"end_frame":288,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[626,428,747,629],"positive_points":[[632,446],[652,485],[673,577],[700,518],[733,536],[716,607]],"negative_points":[[592,374],[576,563],[765,523],[684,673]],"evidence":"目标是书桌右侧的白色矩形洞洞板。边界框覆盖板面、边缘、孔洞、绿蓝黄图案纸及下方安装的收纳附件。正点分布于板面、三张纸和下方附件；负点位于独立挂包、桌面以及板外右侧和下方背景。"}},{"name":"Blue pencil cup","description":"Small pale-blue cup holding several differently colored writing implements, assembled beside the office laptop.","membership":"Include the cup and the pencils or pens contained in it, including their assembly movement. Exclude the desk and separate hanging bag.","id":"obj_028","temporal":{"status":"found","start_s":10.0,"end_s":12.0,"reference_s":10.5,"evidence":"目标是办公笔记本右侧的浅蓝色笔筒及其中多色笔，排除桌面和悬挂提包。10.00秒首次可见笔筒与笔完整组合，虽仍在移动但结构已成立；11.75秒为最后合格帧。此前9.75秒各支笔仍分散、尚未完成装入；之后12.00秒办公场景被替换，目标消失。选择10.50秒，笔筒直立且无遮挡，轮廓清楚。","start_frame":240,"end_frame":288,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[520,495,540,556],"positive_points":[[523,510],[529,508],[536,510],[524,531],[535,535],[530,548]],"negative_points":[[473,520],[550,563],[592,370],[553,514]],"evidence":"目标是笔记本电脑右侧桌面上的浅蓝色笔筒。边框覆盖杯体及其中露出的所有彩色笔；六个正点分布在笔杆和杯体上，四个负点分别位于电脑、桌面、悬挂包及右侧紫色墙面，均不属于目标。"}},{"name":"Gray-green gesturing hand","description":"Large gray-green hand with pale cyan nails entering from the right of the purple office scene, then gesturing beside the rearranged furniture panels.","membership":"Include all visible connected fingers, nails, palm, and wrist or forearm. Exclude the furniture panels, framed hand illustration, and cast shadow.","id":"obj_029","temporal":{"status":"found","start_s":10.75,"end_s":12.5,"reference_s":12.0,"evidence":"目标是紫色办公场景右侧带浅青色指甲的灰绿色手，随后在重排的家具面板旁做手势。首个合格帧为10.75秒，手指、手掌及连接的腕部已完整呈现，前臂在右边缘的裁切属于画面设计；10.50秒尚未出现。最后合格帧为12.25秒，12.50秒手已向下离场，仅剩被底边裁切的小部分。选择12.00秒作为关键帧，手势轮廓清晰，与家具及画框中的手部插画容易区分。","start_frame":258,"end_frame":300,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[763,506,1000,917],"positive_points":[[790,539],[890,554],[856,644],[835,730],[925,728],[978,851]],"negative_points":[[735,537],[671,523],[925,450],[874,849]],"evidence":"目标是从画面右侧伸入、带浅青色指甲的灰绿色手。边界框紧贴可见手指、手掌及延伸至右边缘的腕部；正点分布在伸出的手指、弯曲手指、手掌和腕部，负点位于紫色背景、右侧装饰画面板及手下方的投影区域，均不包含目标。"}},{"name":"Gray standing lamp","description":"Slender gray floor lamp with a pale upward-opening shade, introduced in the left blue-backed section of the final arrangement.","membership":"Include the shade and its enclosed light, stem, hanging cord or switch, and base. Exclude the blue backing section, illumination, and shadow.","id":"obj_030","temporal":{"status":"found","start_s":12.0,"end_s":14.0,"reference_s":13.75,"evidence":"目标是最终布置左侧的灰色落地灯，具有浅色朝上灯罩、罩内灯泡、细长灯杆、悬垂线及底座，不含蓝色背板。12.00秒首次完整可见，虽背板正在转动，灯自身结构已完整；前一帧11.75秒该处仍是置物架，尚未出现此灯。最后合格帧为13.75秒，目标持续完整可见至视频结束，之后没有采样帧。选择13.75秒作为关键帧，灯无遮挡且轮廓清楚，便于与背景区分。","start_frame":288,"end_frame":336,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[229,359.4,277.8,739],"positive_points":[[250,372.4],[252.9,388.9],[252.9,417.5],[252.9,510.4],[256.3,585.1],[252.4,733.5]],"negative_points":[[227,423],[293,534],[387,628],[255,777]],"evidence":"目标是沙发左侧的细长灰色落地灯。边界框覆盖向上敞开的浅色灯罩、罩内灯泡、灯座、细杆、垂挂线及开关和底座。六个正点分别落在这些实际部件上；负点位于左侧阴影、右侧蓝色背景、沙发和底座下方背景，排除背景、光照与阴影。"}},{"name":"Gray sofa","description":"Low gray sofa introduced in the central blue-backed section of the final arrangement, with broad arms, a continuous back, and short feet.","membership":"Include the complete sofa body, arms, seat, back, and feet throughout unfolding. Exclude the blue backing panel, neighboring lamp, and shadows.","id":"obj_031","temporal":{"status":"found","start_s":12.0,"end_s":14.0,"reference_s":12.5,"evidence":"目标是最终中央蓝色背板前的低矮灰色沙发，包含宽扶手、连续靠背、座面和短脚。12.00秒首次以侧转、展开姿态完整出现，随后转向正面；此前11.75秒该处仍是书桌。最后合格帧为13.75秒，沙发仍完整可见，因此区间延续至视频结尾14.00秒，无后续采样帧。选择12.50秒作为关键帧，沙发正面轮廓清楚，无遮挡，���与蓝色背板及邻近物体区分。","start_frame":288,"end_frame":336,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[378.4,579.9,585.4,737.8],"positive_points":[[386.9,647.6],[576.4,650.2],[476.6,616.3],[478.5,679.7],[386.5,727.4],[577.0,727.4]],"negative_points":[[480.5,528.6],[367.2,648.4],[252.9,413.2],[487.3,778.6]],"evidence":"目标是中央蓝色背板前的低矮灰色沙发。边界框紧贴完整靠背、两侧扶手、座面及两只短脚，不含背板和投影。六个正点分布于这些沙发部件；负点位于上方及左侧蓝色背板、邻近落地灯和下方紫色背景。"}},{"name":"Framed illustration of hands","description":"Black rectangular picture frame on the right of the final arrangement, containing an illustration of a gray hand and a cream hand meeting.","membership":"Include the outer frame, its enclosed picture surface, and the entire hand illustration inside it. Exclude the blue backing panel and the large operating hands outside the frame.","id":"obj_032","temporal":{"status":"found","start_s":12.0,"end_s":14.0,"reference_s":12.5,"evidence":"目标是最终布置右侧的黑色矩形相框，内有灰色与奶油色双手相接的插画，不包括蓝色背板或框外的大手。12.00秒相框及画面已完整出现，只是处于侧转角度；此前11.75秒该位置仍为白色洞洞板，目标尚未出现。最后合格帧为13.75秒，目标仍完整可见，区间延续至视频结尾14.00秒，无后续帧。选择12.50秒作为关键帧，因为相框正面清楚、插画完整且无遮挡。","start_frame":288,"end_frame":336,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[616.2,435.8,729,618.1],"positive_points":[[673,443],[622,522],[708,610],[643,473],[661,567],[697,560]],"negative_points":[[757,531],[672,406],[588,510],[536,647]],"evidence":"目标是画面右侧包含灰色与奶油色双手插画的黑色矩形画框。边界框紧贴外框，包含框内画面及全部双手，不含蓝色背板。正点分布在外框、画面背景和两只手上；负点位于框外紫色背景、中央蓝色面板及沙发上。"}},{"name":"Horizontal slider control","description":"Wide blue rectangular control above the final sofa, with a rounded horizontal track and a large gray circular knob moved by a cream finger.","membership":"Include the blue control surface and boundary, the full recessed track, and the circular knob. Exclude the operating finger, surrounding wall, and shadows.","id":"obj_033","temporal":{"status":"found","start_s":12.0,"end_s":13.75,"reference_s":12.5,"evidence":"目标是最终沙发上方的蓝色矩形滑块控件，包含圆角轨道和灰色圆形旋钮，不含操作手指。12.00秒控件虽处于旋转角度，但自身结构已完整；前一帧11.75秒仍是原场景的挂杆及过渡轮廓。最后合格帧为13.50秒，13.75秒蓝色面板和轨道已消失，仅余手指下的旋钮。选择12.50秒作为关键帧，控件正面清晰且无遮挡。","start_frame":288,"end_frame":330,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[312.5,271.7,622.6,397.6],"positive_points":[[347,334],[450,293],[532,378],[483,334],[595,334],[387,372]],"negative_points":[[488,244],[644,330],[482,621],[253,406]],"evidence":"目标是沙发上方的宽蓝色水平滑动控件，内有圆角轨道和左端灰色圆形旋钮。边界框紧贴蓝色面板，覆盖完整轨道与旋钮，不包含外围阴影。正点分布于面板、轨道及旋钮上；负点位于外侧紫色墙面、下方沙发和左侧落地灯上。"}},{"name":"Cream finger operating the slider","description":"Large cream-colored finger with a tan nail descending from above and sliding the gray knob toward the right in the final blue scene.","membership":"Include the visible finger and nail. Exclude the slider knob, track, control backing, and shadow.","id":"obj_034","temporal":{"status":"found","start_s":12.75,"end_s":14.0,"reference_s":13.5,"evidence":"目标是从上方伸入、带棕褐色指甲的奶油色手指，随后按住灰色滑块向右移动。首个合格帧为12.75秒，指尖和指甲已完整呈现，指根在顶部的裁切属于有意构图；前一帧12.50秒尚无该手指。最后合格帧为13.75秒，手指仍清晰可见，区间延续至视频结束14.00秒，无后续帧。选择13.50秒作为关键帧，手指和指甲轮廓清楚，且正在操作滑块。","start_frame":306,"end_frame":336,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[500,0,561,368],"positive_points":[[519,48],[545,143],[513,238],[546,284],[524,310],[522,343]],"negative_points":[[523,379],[589,334],[480,191],[448,332]],"evidence":"目标是从画面上方伸下、按在滑块上的大号奶油色手指，带有棕黄色指甲。边界框紧贴可见手指及指甲，顶部止于图像边缘。六个正点分布于指身和指甲；负点位于灰色滑块、右侧滑轨、蓝色背景及控件底板，均不包含在目标中。"}}]}
+{"video_id":133,"video_type":"visual design and media animation","targets":[{"name":"Numeral 0","description":"Large black oval zero, assembled from curved fragments near the left side. It becomes the first character in the upper numeral arrangement.","membership":"The complete zero, including its outer contour and enclosed counter. Excludes other numerals, background, and transient colored fringes.","id":"obj_001","temporal":{"status":"found","start_s":1.0,"end_s":10.0,"reference_s":2.25,"evidence":"目标是上方数字排列最左侧的大号黑色椭圆形0。0.75秒时弧形碎片仍分离；1.00秒时外轮廓和封闭内孔已完整形成，之后持续存在至最后采样帧9.75秒。区间到达视频末尾，无后续帧可检查。选择2.25秒作为关键帧，此时0轮廓清晰、无遮挡，且与其他数字分离。","start_frame":24,"end_frame":240,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[300.5,653.7,432.3,888.0],"positive_points":[[326.6,699.1],[377.6,709.3],[413,781.5],[396.4,853.7],[343.2,826.9],[314.6,758.3]],"negative_points":[[445,593],[266,752],[368,935],[469,839]],"evidence":"目标是图像左下方、数字1左下侧的倾斜黑色椭圆数字0。边界框紧贴完整零的外缘，包含其内部空腔，不含其他数字。六个正点分布在零的黑色轮廓各部分；负点位于数字1及零外侧的背景，避开内部空腔。"}},{"name":"Numeral 2","description":"Large red two assembled near the upper right, remaining the red character between the black 1 and 3.","membership":"The complete red numeral, following its curved and angular outline. Excludes neighboring characters, detached transition fragments, and color-fringe effects.","id":"obj_002","temporal":{"status":"found","start_s":1.5,"end_s":10.0,"reference_s":2.25,"evidence":"目标是黑色1与3之间的大型红色数字2，不含邻字、分离碎片和彩色边缘效果。1.25秒仍有分离的红色笔画，1.50秒数字2的完整曲线及折线轮廓已建立，之后虽移动和旋转仍连续完整可见。最后合格帧为9.75秒，故区间延至视频结束10.00秒，结束后无采样帧。选择2.25秒作为关键帧，此时轮廓清晰、无遮挡，且无明显彩色边缘干扰。","start_frame":36,"end_frame":240,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[453.1,170.4,682.3,584.3],"positive_points":[[469.8,295.4],[497.9,213.9],[554.7,222.2],[582.3,356.5],[590.6,517.6],[647.9,420.4]],"negative_points":[[442.7,601.9],[744.8,338.0],[416.7,277.8],[651.0,629.6]],"evidence":"目标是黑色1与3之间的大号红色数字2。边界框紧贴其完整弯曲顶部、向下笔画和右上斜笔画；六个正点分散在这些红色笔画上，负点位于相邻黑色数字及目标外部白色背景，避开数字内部空白。"}},{"name":"Numeral 1","description":"Tall black one with an angled top, appearing beside the zero and rotating with the upper numeral arrangement.","membership":"The complete black numeral, including its top flag and long stem. Excludes adjacent numerals and visual effects.","id":"obj_003","temporal":{"status":"found","start_s":1.5,"end_s":10.0,"reference_s":2.0,"evidence":"目标是零右上方、带斜顶旗和长竖干的黑色数字1。1.25秒时其笔画仍在拼合，1.5秒首次呈现完整结构，虽有弯曲变形仍可辨认；此后随上方数字组合旋转移动，至最后采样帧9.75秒仍完整可见，因此区间延续到10.0秒，视频结束后无相邻帧。选择2.0秒为关键帧，数字1轮廓清晰、无遮挡，且与相邻数字分离。","start_frame":36,"end_frame":240,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[349,448.1,541.7,764.8],"positive_points":[[362.5,519.4],[386.5,485.2],[416.7,539.8],[450.5,605.6],[483.3,663],[517.2,725]],"negative_points":[[322.9,740.7],[580.7,416.7],[317.7,518.5],[567.7,740.7]],"evidence":"目标是零右上方、红色2左下方倾斜的黑色数字1。边界框紧贴其顶部旗状笔画及完整长主干；六个正点分布于顶部和主干，负点位于相邻的0、红色2及目标外侧白色背景。"}},{"name":"Numeral 3","description":"Black three formed from two curved lobes to the right of the larger red two.","membership":"The complete three following its open, double-curved outline. Excludes the red two and transient ghost images.","id":"obj_004","temporal":{"status":"found","start_s":1.5,"end_s":10.0,"reference_s":2.0,"evidence":"目标是较大红色2右侧、由上下两个弧瓣组成的黑色3，不含红色2及残影。1.25秒时两个弧瓣仍在拼合；1.50秒已形成完整的3，虽有运动残影仍可辨认。最后合格帧为9.75秒，目标持续完整可见，故区间延至10.0秒视频结尾，之后无采样帧。选择2.0秒作为关键帧，此时轮廓清晰、无遮挡且与红色2易于区分。","start_frame":36,"end_frame":240,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[644.3,203.7,763.5,417.6],"positive_points":[[654.2,293.5],[682.3,219.4],[708.3,257.4],[731.3,290.7],[753.1,355.6],[719.3,400.0]],"negative_points":[[587.0,428.7],[791.7,288.9],[690.1,152.8],[488.5,665.7]],"evidence":"目标是较大红色数字2右上方的黑色数字3，由两个相连的弯曲瓣组成。紧致边界框覆盖完整黑色3；六个正点分布于上下两瓣的实际笔画，四个负点位于外部白色背景、红色2及黑色1上，避开3的内部空白。"}},{"name":"Futura title","description":"Bold word “Futura” assembled beneath the upper numerals. Its middle letters are white against a red strip, while the remaining letters are black.","membership":"All six letters of “Futura” as one title, through their assembly and rotation. Excludes the red backing strip, nearby paragraph, and colored fringe effects.","id":"obj_005","temporal":{"status":"found","start_s":4.25,"end_s":10.0,"reference_s":4.5,"evidence":"目标是上方数字下的六字母粗体“Futura”，中间字母为红条上的白色，其余为黑色，不含红条及段落。4.00秒部分字母仍在拼合，4.25秒六个字母首次完整建立；此后虽有旋转和缩放，标题持续完整可见，最后合格帧为9.75秒。区间延至视频结束，之后没有采样帧。选择4.50秒作关键帧，此时标题较大、清晰且无遮挡。","start_frame":102,"end_frame":240,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[226.6,515.7,543.2,737.0],"positive_points":[[247.9,638.9],[305.2,665.7],[358.9,618.5],[409.9,644.4],[450.5,586.1],[524.0,593.5]],"negative_points":[[589.0,565.0],[455.0,772.0],[430.0,327.0],[192.0,667.0]],"evidence":"目标是上方数字下方倾斜排列的粗体“Futura”，中间两字母为白色，其余为黑色。边界框紧贴全部六个字母的可见范围；六个正点分别落在各字母笔画上。负点位于右侧红色底条、下方段落、上方数字及左侧空白背景，排除底条和邻近内容。"}},{"name":"Paul Renner biography","description":"Small multiline black paragraph beneath “Futura,” beginning “Paul Renner was an eminent twentieth century German graphic designer,” and discussing his work and the Bauhaus movement.","membership":"The complete biography text block, including all its lines as they settle into place. Excludes the title, red strip, and nearby numeral specimens.","id":"obj_006","temporal":{"status":"found","start_s":4.25,"end_s":10.0,"reference_s":4.5,"evidence":"目标是“Futura”下方以“Paul Renner was an eminent…”开头、介绍其设计工作及包豪斯运动的黑色多行段落。4.00秒仍有词语错位、尚未完成组合；4.25秒全部文字行已完整呈现。此后段落随版面旋转和缩放，至最后采样帧9.75秒仍完整可见，因此区间结束于视频终点10.00秒，之后无采样帧。选择4.50秒作为关键帧，段落清晰、无遮挡，且与标题及数字容易区分。","start_frame":102,"end_frame":240,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[251.5,605.5,725,932],"positive_points":[[254.5,789],[386,770],[508,743],[655,703],[598,763],[276,918]],"negative_points":[[487,580],[658,507],[480,926],[753,761]],"evidence":"目标是“Futura”下方以“Paul Renner”开头的倾斜黑色传记段落。边界框覆盖完整六行文字；正点分布在各行字形上，负点位于上方标题、红色条带及段落外侧空白处，排除这些非目标区域。"}},{"name":"Lowercase alphabet specimen","description":"Widely spaced black lowercase alphabet running beside the long diagonal red band on the left of the composition.","membership":"The lowercase letters from a through z as one continuous specimen line. Excludes the uppercase alphabet, red band, and surrounding text.","id":"obj_007","temporal":{"status":"found","start_s":5.75,"end_s":10.0,"reference_s":7.5,"evidence":"目标是左侧长斜红带旁、由黑色小写 a–z 组成的疏排字母行，不含红带上的白色大写字母。5.75 秒首次完整呈现；前一帧 5.50 秒字母行开头仍被画面上边界裁切。此后同一字母行持续存在，移动及短暂被红带遮挡不改变其连续性，最后合格帧为 9.75 秒。区间延续至视频结束，之后无采样帧。选择 7.50 秒作为关键帧，此时小写字母行完整清晰，与大写字母及红带容易区分。","start_frame":138,"end_frame":240,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[175.5,220.4,430,688],"positive_points":[[177.1,227.8],[231.8,320.4],[289.6,429.6],[332.8,514.8],[390.6,616.7],[424,677.8]],"negative_points":[[190,199],[383,360],[161,370],[444,651]],"evidence":"目标是左侧长红色斜带旁的黑色小写 a–z 字母行。边界框紧贴整行字母的可见范围；六个正点分布在字母行前、中、后段的笔画上。负点位于大写字母、红带、独立的大号数字及外侧空白处，均不属于该小写字母行。"}},{"name":"Uppercase alphabet specimen","description":"Widely spaced white uppercase alphabet presented inside the long diagonal red band beside the lowercase specimen.","membership":"The uppercase letters from A through Z as one specimen line. Excludes the red backing band and the neighboring lowercase letters.","id":"obj_008","temporal":{"status":"found","start_s":5.75,"end_s":10.0,"reference_s":7.5,"evidence":"目标是长斜向红带内、与黑色小写字母相邻的白色大写 A–Z 字母行，不包含红带。5.75 秒首次完整显示全部字母；前一帧 5.50 秒字母行仍在进入，开头受画面边界裁切，末端尚未完整显露。此后持续存在，最后合格帧为 9.75 秒；视频在 10.00 秒结束，无后续帧。选择 7.50 秒作关键帧，字母清晰完整，与相邻小写字母分离，便于标注。","start_frame":138,"end_frame":240,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[183.9,185.2,460.4,688.0],"positive_points":[[190.1,193.5],[234.4,266.7],[290.1,375.0],[335.4,449.1],[395.3,567.6],[452.6,675.0]],"negative_points":[[135.4,83.3],[237.0,343.5],[158.9,453.7],[455.2,283.3]],"evidence":"目标是长斜向红带中的白色大写 A–Z 字母行，旁边为黑色小写字母。边界框覆盖完整大写字母行；六个正点分布在字母笔画上，负点位于远端红带、邻近小写字母、外部空白及独立黑色数字上，排除这些非目标内容。"}},{"name":"Numeral 5","description":"Large black five assembled below the biography, becoming the left character of the lower-right numeral cluster.","membership":"The complete five, following its straight upper strokes and curved lower portion. Excludes nearby numerals, red bands, and assembly ghosting.","id":"obj_009","temporal":{"status":"found","start_s":6.0,"end_s":10.0,"reference_s":7.5,"evidence":"目标是传记文字下方的大号黑色数字5，随后位于右下数字组的左侧。5.75秒时上部直笔仍有未接合的灰色装配残影；6.0秒起上下笔画完整，持续至最后采样帧9.75秒。区间到达视频末尾，之后无采样帧。选择7.5秒作为关键帧，数字5轮廓清晰，与邻近数字4、红色6及红带容易区分。","start_frame":144,"end_frame":240,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[559.9,683.3,652.1,814],"positive_points":[[624.5,698.1],[641.7,726.9],[606.8,717.6],[615.6,759.3],[601,800],[567.2,760.2]],"negative_points":[[692.7,717.6],[677.6,896.3],[545.8,850],[546.9,698.1]],"evidence":"目标是人物简介下方、右下数字组左侧的黑色数字5。边界框紧贴其顶部直笔画和下部弯曲笔画；六个正点分布于这些黑色笔画上。负点位于旁边的数字4、红色数字6、红色斜带及外部空白处，均排除在目标之外。"}},{"name":"Numeral 4","description":"Black angular four appearing beside the five beneath the biography.","membership":"The complete four, including its enclosed counter and projecting strokes. Excludes neighboring numerals and background graphics.","id":"obj_010","temporal":{"status":"found","start_s":6.25,"end_s":10.0,"reference_s":7.5,"evidence":"目标是传记文字下方、数字5右侧的黑色棱角数字4。6.00秒时仍缺少完整的交叉及伸出笔画；6.25秒首次呈现完整结构，此后持续可见至最后采样帧9.75秒。区间延伸至视频末尾，之后没有采样帧。选择7.50秒作为关键帧，数字4轮廓及内部留白清楚，与相邻数字分离。","start_frame":150,"end_frame":240,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[661.9,674.1,727.6,754.6],"positive_points":[[670.3,701.9],[695.8,690.7],[718.2,680.6],[700.5,711.1],[687.5,727.8],[681.3,744.4]],"negative_points":[[619.8,722.2],[718.8,779.6],[739.6,713],[651,541.7]],"evidence":"目标是人物简介下方、数字5右侧的黑色棱角数字4。边界框紧贴完整数字，包含封闭字腔和伸出笔画；六个正点分布于其上缘、斜笔及下端笔画，负点位于邻近数字5、红色数字6、右侧空白和上方简介文字处。"}},{"name":"Numeral 6","description":"Large red six assembled beneath and to the right of the black 5 and 4, with a round bowl and extended stem.","membership":"The complete red six, including its enclosed counter. Excludes the adjacent diagonal red band, other numerals, and faded transition copies.","id":"obj_011","temporal":{"status":"found","start_s":7.0,"end_s":10.0,"reference_s":7.5,"evidence":"目标是黑色5和4下方偏右的红色6，具有封闭圆腹和延伸笔画，与斜向红带分开。7.00秒首次完整显现；此前6.75秒圆腹右上段仍处于浅色渐显过渡。最后合格帧为9.75秒，目标仍完整可见，因此区间延续至视频结束10.00秒，之后无采样帧。选择7.50秒作关键帧，此时轮廓清晰、无遮挡，便于与邻近数字及红带区分。","start_frame":168,"end_frame":240,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[599.5,763,725.5,941.7],"positive_points":[[708,785],[671,798],[611,856],[641,920],[679,865],[642,862]],"negative_points":[[597,786],[690,728],[573,891],[765,878]],"evidence":"目标是黑色5和4下方偏右的红色数字6，具有圆形字腹和向右延伸的上端。边界框紧贴完整红色6，包含其封闭内孔。正点分布在延伸笔画、圆形笔画及按规则包含的内孔；负点位于黑色��字、相邻红色斜带和右侧外部背景。"}},{"name":"Numeral 8","description":"Black eight assembled from two circular loops in the lower-left area, eventually positioned between the red seven and black nine.","membership":"Both connected lobes of the completed eight and their enclosed counters, including the loops during assembly. Excludes the neighboring seven, nine, and red strip.","id":"obj_013","temporal":{"status":"found","start_s":8.5,"end_s":10.0,"reference_s":9.75,"evidence":"目标是左下方由两个黑色圆环组成的数字8，位于红色7与黑色9之间。8.25秒两环仍分散、正在组合；8.50秒已形成完整的上下双环结构，此后随版面移动，至最后采样帧9.75秒仍完整可见。区间延续到视频结束，没有后续帧。选择9.75秒作为关键帧，双环及其内孔清楚，易与相邻数字和红条区分。","start_frame":204,"end_frame":240,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[314.1,664.8,390.6,790.7],"positive_points":[[325.5,680.6],[346.4,694.4],[330.2,722.2],[358.9,722.2],[382.8,750.9],[366.7,777.8]],"negative_points":[[331.3,798.1],[364.6,582.4],[414.1,764.8],[293.2,675.9]],"evidence":"目标是左下方红色7与黑色9之间、由两个斜向排列的黑色圆环组成的8。紧框覆盖两个环及其内孔，不包含相邻数字或红条。六个正点分布在两环的黑色笔画上；四个负点分别位于红色7、黑色9、红条和左侧外部背景。"}},{"name":"Numeral 9","description":"Black nine assembled above and to the right of the eight in the lower-left numeral cluster.","membership":"The complete nine, including its circular bowl, enclosed counter, and descending stem. Excludes assembly ghosting and neighboring characters.","id":"obj_014","temporal":{"status":"found","start_s":8.75,"end_s":10.0,"reference_s":9.25,"evidence":"目标是左下数字组中位于8右上方的黑色9，包含闭合圆环、内孔和下伸笔画。8.75秒首次完整呈现；前一帧8.50秒圆环下部仍有灰色组装残影，尚未完成显现。最后合格帧为9.75秒，目标持续完整可见至视频结束，之后无采样帧。选择9.25秒作为关键帧，数字9轮廓清楚且无遮挡，与相邻数字易于区分。","start_frame":210,"end_frame":240,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[325,588.9,399,734.3],"positive_points":[[346.9,597.2],[330.7,632.4],[341.1,682.4],[355.7,640.7],[385.9,693.5],[391.7,725]],"negative_points":[[307.3,688.9],[351,784.3],[313.5,801.9],[417.7,703.7]],"evidence":"目标是左下数字组中位于黑色8右上方的黑色9。边界框紧贴9的完整圆腹和下伸笔画，并包含封闭内孔；六个正点分布于圆腹、内孔和下伸笔画。负点位于邻近的8、红色7及右侧外部背景，不包含其他字符。"}},{"name":"Numeral 7","description":"Red seven appearing at the lower-left edge of the final numeral cluster, beside the black eight and nine.","membership":"The complete red seven following its top stroke and diagonal stem. Excludes the nearby red text-bearing strip and other numerals.","id":"obj_015","temporal":{"status":"found","start_s":8.0,"end_s":10.0,"reference_s":9.25,"evidence":"目标是最终数字群左下方、黑色8和9旁的红色7，不包含下方红色文字带。8.00秒首次可见完整的顶横与斜干，虽较小且正在旋转缩放，结构已完整；此前7.75秒尚未出现。最后合格帧为9.75秒，目标仍完整可见，故区间延续至视频结束10.00秒，之后无采样帧。选择9.25秒作为关键帧，红色7轮廓清晰且无遮挡，易与相邻数字及红带区分。","start_frame":192,"end_frame":240,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[293.2,764.8,329.2,850],"positive_points":[[296.9,806.5],[302.6,793.5],[310.9,776.9],[315.6,798.1],[320.3,820.4],[325,841.7]],"negative_points":[[338.5,770.4],[386.5,694.4],[367.7,912],[281.3,844.4]],"evidence":"目标是左下方黑色8、9旁的红色7。边界框紧贴其完整顶部笔画和斜向长杆；六个正点分布在这两部分的红色笔画上，负点位于附近黑色数字、红色文字带及外部白色背景，均不包含在目标内。"}}]}
+{"video_id":134,"video_type":"visual design and media animation","targets":[{"name":"Opening pink ball","description":"A solid bright-pink ball initially shown alone on white, then centered inside a turquoise magnifying glass.","membership":"Include the filled pink shape through its circular and stretched oval forms. Exclude the gray shadow and surrounding magnifying glass.","id":"obj_001","temporal":{"status":"found","start_s":0.25,"end_s":1.75,"reference_s":1.5,"evidence":"目标为开场白底上的实心亮粉色球，包含拉伸、压扁的椭圆形态及随后位于青绿色放大镜中央的粉色圆形，不含灰色阴影和放大镜。首个合格帧为0.25秒，最后合格帧为1.50秒；此前0.00秒为白屏，此后1.75秒已变成粉色背景上的白色问号，独立球形不再可见。选择1.50秒作为关键帧，粉色圆形边界完整清晰，与放大镜之间有明显白色间隔。","start_frame":6,"end_frame":42,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[446.4,407.4,553.7,593.5],"positive_points":[[481,451],[523,454],[465,503],[508,510],[482,554],[532,541]],"negative_points":[[500,329],[404,502],[648,763],[660,420]],"evidence":"目标是青绿色放大镜中央的实心亮粉色圆球，边界框紧贴粉色形状的可见外缘。六个正点分布在圆球内部的不同部位；负点位于放大镜圆框、手柄及远离圆球的外部白色背景，排除周围放大镜。"}},{"name":"Turquoise magnifying glass","description":"A magnifying-glass graphic with a pale turquoise circular rim and darker turquoise rounded handle, rotating and enlarging around the opening pink ball.","membership":"Include the rim, enclosed lens area and its visible contents, connector, and handle. Follow the complete outer outline rather than the space around the handle.","id":"obj_002","temporal":{"status":"found","start_s":1.0,"end_s":1.75,"reference_s":1.5,"evidence":"目标为围绕粉色球的放大镜，具有浅青绿色圆环、连接部和深青绿色圆头手柄。首个合格帧为1.00秒，完整结构已呈现，随后旋转并放大；最后合格帧为1.50秒。前一帧0.75秒仅有压扁的粉色球，后一帧1.75秒已替换为粉色背景上的白色问号。选择1.50秒作为关键帧，因放大镜轮廓较大、完整清晰且无遮挡。","start_frame":24,"end_frame":42,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[393.2,309.3,715.6,875.9],"positive_points":[[501,327],[404,501],[500,499],[523,619],[583,646],[652,762]],"negative_points":[[360,495],[629,472],[559,811],[741,858]],"evidence":"目标是浅绿松石色圆框与深绿松石色圆头手柄组成的放大镜。边界框紧贴圆框、连接部和右下方手柄的完整外轮廓；正点分布于圆框、镜片内白色区域及粉色球、连接部和手柄，负点均位于放大镜外侧的白色背景。"}},{"name":"White question mark","description":"A large white question mark on pink, subsequently occupying the middle of a three-column composition.","membership":"Include the curved upper glyph and separate dot. Exclude the pink background and neighboring graphics.","id":"obj_003","temporal":{"status":"found","start_s":1.75,"end_s":3.25,"reference_s":3.0,"evidence":"目标为粉色背景上的白色问号，包含上方弯曲字形和独立圆点，随后位于三栏构图中央。首个完整呈现帧为1.75秒，最后合格帧为3.00秒；此前1.50秒显示放大镜，尚无问号，此后3.25秒问号被灯泡替代。选择3.00秒作为关键帧，问号完整清晰、无遮挡，与两侧图形易于区分。","start_frame":42,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[438,347.2,560.5,685.2],"positive_points":[[458.3,391.7],[504.2,375],[542.2,421.3],[520.3,485.2],[492.2,538],[493.8,643.5]],"negative_points":[[399,500],[599,500],[499,275],[821,500]],"evidence":"目标是三栏构图中央粉色背景上的白色问号。边界框紧贴上方弯曲字形及下方独立圆点；六个正点分布在弯曲笔画、下端和圆点上，负点位于外围粉色背景及右侧饼图上，排除背景和邻近图形。"}},{"name":"Checklist clipboard","description":"A slightly tilted gray clipboard on the yellow left column, holding a white sheet with three pink circular markers, white checkmarks, and gray text-like strokes.","membership":"Include the board, outer border, top clip, paper, and all checklist markings. Exclude the yellow background.","id":"obj_004","temporal":{"status":"found","start_s":3.0,"end_s":4.0,"reference_s":3.5,"evidence":"目标是黄色左栏内略微倾斜的灰色夹板，包含顶夹、白纸、灰色文字线及三个粉色圆圈和白色勾号。3.00秒首次完整呈现全部清单标记，持续至3.75秒；前一帧2.75秒第三个圆圈内的勾号尚未出现，后一帧4.00秒画面放大灯泡，夹板已消失。选择3.50秒作为关键帧，夹板完整清晰、无遮挡。","start_frame":72,"end_frame":96,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[98.4,287,266.7,677.8],"positive_points":[[175,317],[141,445],[211,419],[231,523],[148,590],[243,654]],"negative_points":[[78,481],[240,287],[188,722],[294,514]],"evidence":"目标是左侧黄色栏中略微倾斜的清单夹板。边界框紧贴夹板外缘，覆盖灰色板框、顶部夹子、白纸及全部清单标记。正点分布在夹子、粉色标记、灰色文字线、纸面和下部板框上；负点均位于夹板外侧的黄色背景。"}},{"name":"Pie chart","description":"A circular chart in the turquoise right column, developing from a teal disk into four sectors colored teal, orange, yellow, and green.","membership":"Include the entire disk, white outer rim, internal dividers, and all enclosed sectors. Exclude the surrounding turquoise column.","id":"obj_005","temporal":{"status":"found","start_s":2.75,"end_s":4.0,"reference_s":3.5,"evidence":"目标是右侧青绿色栏中的���形饼图，包含白色外圈、内部分隔线及各扇区。2.75秒首次出现完整圆盘和外圈，之后分隔线及颜色的变化属于内部内容变化；最后符合条件的帧为3.75秒。此前2.50秒尚无饼图，此后4.00秒画面放大中央灯泡，饼图已消失。选择3.50秒作为关键帧，四个彩色扇区及白色边界清晰完整、无遮挡。","start_frame":66,"end_frame":96,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[725,332.4,914.1,669.4],"positive_points":[[776,431],[868,463],[761,578],[809,606],[820,506],[820,341]],"negative_points":[[958,500],[688,481],[823,269],[823,741]],"evidence":"目标是右侧青绿色栏中的四色饼图。边界框紧贴整个圆盘的白色外缘，包含所有扇区和内部白色分隔线。正点分布在橙、青、黄、绿扇区及白色外缘、分隔线上；负点位于圆盘外四周的青绿色背景。"}},{"name":"Yellow light bulb","description":"A yellow light-bulb icon replacing the question mark in the middle pink column, with a white highlight, segmented white base, and radiating strokes.","membership":"Include the bulb silhouette, highlight, base strokes, and discrete radiating strokes belonging to the icon. Exclude the pink background.","id":"obj_006","temporal":{"status":"found","start_s":3.25,"end_s":4.0,"reference_s":3.75,"evidence":"目标为中央粉色栏内替代问号的黄色灯泡，包含白色高光、分段底座及周围放射短线。首个完整呈现帧为3.25秒，最后合格帧为3.75秒；前一帧3.00秒仍是问号，后一帧4.00秒灯泡放大后被画面边界裁切，底座及放射线不再完整可见。选择3.75秒作为关键帧，图标结构清晰完整、无遮挡。","start_frame":78,"end_frame":96,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[380.2,237.0,620.3,674.1],"positive_points":[[497.5,263.9],[394.8,460.2],[607.8,460.2],[467.7,415.7],[512.0,536.1],[500.5,665.3]],"negative_points":[[360,500],[644,500],[500,180],[500,750]],"evidence":"目标是中间粉色栏内的黄色灯泡图标。边界框覆盖灯泡轮廓、白色高光、分段底座及全部放射短线；正点分布在灯泡、高光、底座和上方及左右短线上，负点位于图标外围的粉色背景。"}},{"name":"Pink-and-blue capsule","description":"A two-tone capsule with pink and blue halves and darker lower shading, initially falling alone and later resting across the front of a three-capsule pile.","membership":"Include the complete capsule silhouette and its colored and shaded surfaces. Exclude other capsules and the supporting pink line or balance.","id":"obj_007","temporal":{"status":"found","start_s":4.25,"end_s":8.25,"reference_s":4.25,"evidence":"目标是具有粉色、蓝色两半及深色底部阴影的胶囊，先单独下落，随后位于三粒胶囊堆的前方。首个合格帧为4.25秒；此前4.00秒胶囊被画面上边界裁切。最后合格帧为8.00秒，此时胶囊虽在下落但轮廓仍完整；8.25秒已消失，画面变为粉色圆球。选择4.25秒作为关键帧，因为目标独立可见、轮廓清楚且无遮挡。","start_frame":102,"end_frame":198,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[301.0,306.5,369.8,479.6],"positive_points":[[349.0,325.9],[334.9,361.1],[359.4,360.2],[319.3,419.4],[314.6,444.4],[334.4,450.0]],"negative_points":[[281.3,388.9],[391.1,398.1],[338.5,268.5],[333.3,625.0]],"evidence":"图中唯一胶囊斜置悬空，上半部蓝色、下半部粉色，并带深色侧面阴影。边界框紧贴完整胶囊轮廓；六个正点分布在两种颜色及阴影表面，负点位于胶囊外围白色背景和下方粉色支撑线上。"}},{"name":"Turquoise capsule","description":"A capsule with turquoise and pale-aqua halves, entering from the left and ultimately leaning at the right rear of the capsule pile.","membership":"Include the entire rounded capsule and its internal color divisions and shading. Exclude overlapping neighboring capsules and the support beneath it.","id":"obj_008","temporal":{"status":"found","start_s":4.75,"end_s":8.25,"reference_s":8.0,"evidence":"目标是由绿松石色与浅水绿色两半组成、带阴影的圆头胶囊，进入后靠在胶囊堆右后方。首个合格帧为4.75秒；前一帧4.50秒它仍被左边界裁切。最后合格帧为8.00秒，此时胶囊离开堆叠但自身仍完整可见；8.25秒已消失，画面变为粉色圆点。选择8.00秒作关键帧，因为目标与其他胶囊分离，轮廓及内部色块清晰、无遮挡。","start_frame":114,"end_frame":198,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[335.4,509.3,408.3,661.1],"positive_points":[[354.2,529.6],[348.4,552.8],[367.2,567.6],[373.4,605.6],[394.3,620.4],[387.5,646.3]],"negative_points":[[317.7,695.4],[511.5,744.4],[421.9,555.6],[322.9,601.9]],"evidence":"目标是画面中部偏左、斜向右下的青绿色与浅水绿色双色胶囊。边界框紧贴其完整圆角轮廓，包含两半及阴影。六个正点分布在两种色块和侧面阴影上；负点位于��方红蓝胶囊、右侧粉色支撑及目标外的白色背景。"}},{"name":"Blue-and-green capsule","description":"A dark-blue and mint-green capsule that joins the pile and settles diagonally at its left rear.","membership":"Include the complete visible capsule surface, including both colored halves and darker shading. Exclude the other capsules and the pink support.","id":"obj_009","temporal":{"status":"found","start_s":4.75,"end_s":8.0,"reference_s":4.75,"evidence":"目标是深蓝与薄荷绿两半组成、随后斜靠在胶囊堆左后方的胶囊，包含其深色阴影。首个合格帧为4.75秒；前一帧4.50秒尚未出现该胶囊，仅有另一枚浅青色胶囊从左侧入画。最后合格帧为7.75秒，8.00秒目标下落并被画面底边裁切，因此结束时间为8.00秒。选择4.75秒作关键帧，此时两种颜色和轮廓清楚，与其他胶囊重叠较少。","start_frame":114,"end_frame":192,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[130.7,542.6,226.6,619.4],"positive_points":[[145.8,574.1],[161.5,599.1],[169.8,562.0],[193.2,563.0],[210.9,574.1],[205.7,604.6]],"negative_points":[[260.0,576.0],[340.0,547.0],[180.0,495.0],[452.0,626.0]],"evidence":"目标是药丸堆左侧由深蓝和薄荷绿两半组成的胶囊。边界框紧贴其完整可见表面，包括下缘深色阴影，不包含后方青色胶囊或粉色支撑线。六个正点分布在两种颜色及阴影上；负点位于其他胶囊、上方白色背景和远离目标的粉色支撑线上。"}},{"name":"Medicine bottle","description":"A yellow medicine bottle with a light-gray cap and a white label bearing a pink medical cross, presented to the right of the capsules.","membership":"Include the bottle body, neck, cap, label, cross, and shaded portions. Exclude the pink balance beneath it.","id":"obj_010","temporal":{"status":"found","start_s":4.75,"end_s":8.0,"reference_s":5.25,"evidence":"目标是胶囊右侧的黄色药瓶，具有浅灰色瓶盖、白色标签和粉色医疗十字。首个合格帧为4.75秒，药瓶已完整显示，虽倾斜运动仍符合条件；前一帧4.50秒尚无药瓶。最后合格帧为7.75秒，药瓶结构仍完整；8.00秒药瓶已离开画面，仅底部边缘附近残留疑似瓶盖的一小部分。选择5.25秒作为关键帧，药瓶直立、完整且无遮挡，易于与胶囊及下方粉色天平区分。","start_frame":114,"end_frame":192,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[648.4,318.5,736.5,619.4],"positive_points":[[687.5,343.5],[692.2,378.7],[722.4,425],[661.5,520],[681.3,499],[700.5,600]],"negative_points":[[781.3,625.9],[338.5,583.3],[619.8,481.5],[770.8,444.4]],"evidence":"目标为胶囊右侧的黄色药瓶，具有浅灰瓶盖、白色标签和粉色医疗十字。边界框紧贴瓶盖至瓶底，包含瓶颈及阴影，不含下方粉色横线。正点分布在瓶盖、瓶颈、瓶身、标签、十字和底部；负点位于胶囊、远离瓶底的粉色横线及瓶外白色背景。"}},{"name":"Pink balance","description":"A pink supporting line beneath the capsules and bottle that develops into a seesaw-like balance with a triangular fulcrum and rocks between the two sides.","membership":"Include the pink beam and triangular support, following their actual outlines throughout the formation and tilting. Exclude the capsules, medicine bottle, and white spaces around or between the structural pieces.","id":"obj_011","temporal":{"status":"found","start_s":5.75,"end_s":7.75,"reference_s":6.25,"evidence":"目标为胶囊和药瓶下方的粉色横梁及三角支点，不含药物。5.75秒两部分首次完整建立，随后整体倾斜摇摆，最后合格帧为7.50秒。此前5.50秒支点仍是未展开的扁平形状；之后7.75秒横梁收缩、支点压扁并与横梁分离，开始拆解退出。选择6.25秒作为关键帧，横梁与三角支点轮廓清楚，倾斜状态便于区分结构。","start_frame":138,"end_frame":186,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[264,575,760,762],"positive_points":[[300,670],[433,645],[593,613],[739,585],[511,687],[516,744]],"negative_points":[[327,618],[680,389],[430,731],[542,818]],"evidence":"目标是胶囊和药瓶下方的粉色跷跷板结构。边界框紧贴倾斜横梁及下方三角支点的可见轮廓；四个正点分布在横梁上，另两个位于三角支点内部。负点位于排除的胶囊、药瓶以及结构外侧的白色背景。"}},{"name":"Returning pink ball","description":"A bright-pink ball presented alone after the medicine-and-balance scene, bouncing before becoming the middle member of a five-color row.","membership":"Include the filled pink shape through its squash, stretch, and subsequent rectangular deformation. Exclude its gray shadow and the other colored shapes; do not include the later full-height background column.","id":"obj_012","temporal":{"status":"found","start_s":8.25,"end_s":13.0,"reference_s":9.0,"evidence":"目标是药品与天平场景后单独出现、随后成为五色队列中央成员的亮粉色球，包含其压扁、拉伸及矩形变形，不含灰色阴影。首个合格帧为8.25秒；此前8.00秒仍是药丸与粉色支点的退场画面。最后合格帧为12.75秒，此时粉色矩形仍完整可见；13.00秒已变为贯穿画面高度的背景色柱，按要求排除。选择9.00秒作为关键帧，粉色球独立完整、轮廓清晰且无遮挡。","start_frame":198,"end_frame":312,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[462,340.7,563.5,516.7],"positive_points":[[499,373],[533,386],[481,426],[545,436],[496,479],[525,483]],"negative_points":[[512,655],[430,427],[590,429],[511,302]],"evidence":"图中独立的亮粉色实心球符合目标描述。边界框紧贴粉色球的可见轮廓，不包含下方灰色阴影。六个正点分布在球体内部的不同部位；负点位于灰色阴影及球体上方、左右的白色背景。"}},{"name":"Orange ball","description":"An orange ball entering from the far left and settling second from the left in the five-color row.","membership":"Include the orange filled shape through its bouncing and rectangular deformation. Exclude its shadow, neighboring shapes, and the later orange background column.","id":"obj_013","temporal":{"status":"found","start_s":9.75,"end_s":13.0,"reference_s":10.5,"evidence":"目标是从最左侧进入、随后位于五色队列左起第二位的橙色实心形状，不含阴影。首个完整呈现帧为9.75秒，9.5秒尚未出现；保留其弹跳及矩形变形，最后合格帧为12.75秒。13.0秒橙色形状已扩展为上下越界的背景柱，不再计入。选择10.5秒作为关键帧，此时橙球完整清晰，与相邻形状分离。","start_frame":234,"end_frame":312,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[349.5,487,445.3,656.5],"positive_points":[[382.8,515.7],[413.5,516.7],[365.6,561.1],[426.6,573.1],[382.8,612],[408.9,625]],"negative_points":[[280,568],[513,568],[397.4,663.9],[396,452]],"evidence":"目标是五色圆球队列中左起第二个橙色球。边界框紧贴橙色填充轮廓，不包含下方阴影。六个正点分布于球内不同部位；负点位于相邻青色球、粉色球、下方灰色阴影及上方白色背景。"}},{"name":"Turquoise ball","description":"A turquoise ball appearing left of the pink ball and settling at the far left of the five-color row.","membership":"Include the turquoise filled shape through its squash, stretch, and rectangular deformation. Exclude its shadow, other shapes, and the later turquoise background column.","id":"obj_014","temporal":{"status":"found","start_s":9.75,"end_s":13.0,"reference_s":10.5,"evidence":"目标是粉色球左侧、最终位于五色队列最左端的青绿色实心形状，不含灰色阴影。首个合格帧为9.75秒；9.50秒尚未出现该球。持续包含其挤压、拉伸及矩形变形，最后合格帧为12.75秒；13.00秒已变为贯穿画面高度的后续青绿色背景柱，故排除。选择10.50秒作为关键帧，此时球形完整清晰、无遮挡，且与其他色球分离。","start_frame":234,"end_frame":312,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[231.3,482.4,329.2,656.5],"positive_points":[[278.6,509.3],[250,541.7],[307.3,540.7],[245.8,587],[286.5,628.7],[312.5,596.3]],"negative_points":[[258,661],[396,571],[510,565],[280,440]],"evidence":"目标是五色球一排最左侧的青绿色实心球。边界框紧贴球体，不包含下方灰色阴影；六个正点分散在球体内部，四个负点位于下方阴影、橙色球、粉色球及上方白色背景。"}},{"name":"Gray ball","description":"A pale blue-gray ball appearing on the right and settling at the far right of the five-color row.","membership":"Include the blue-gray filled shape through its bouncing and rectangular deformation. Exclude its shadow, other shapes, and the later blue-gray background column.","id":"obj_015","temporal":{"status":"found","start_s":9.75,"end_s":12.75,"reference_s":10.5,"evidence":"目标是从右侧进入、最终位于五色队列最右端的浅蓝灰色球，包含其弹跳及矩形变形，不含阴影。首个合格帧为9.75秒；此前9.50秒仍被右边界裁切。最后合格帧为12.50秒，此时已变为完整灰色矩形；12.75秒已扩张至画面边界并转为后续背景色柱，不再纳入。选择10.50秒作为关键帧，球形完整清晰，与其他颜色形状分离。","start_frame":234,"end_frame":306,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[698.4,485.2,795.8,659.3],"positive_points":[[729,522],[764,515],[710,571],[780,581],[728,626],[757,641]],"negative_points":[[723,659],[628,570],[824,580],[746,440]],"evidence":"目标是五色圆球排列最右侧的浅蓝灰色球。边界框紧贴球体的可见轮廓，不包含下方阴影；六个正点分布在球体内部，四个负点分别位于下方阴影、左侧黄色球及外部白色背景。"}},{"name":"Yellow ball","description":"A golden-yellow ball appearing at the right and settling between the pink and gray balls in the five-color row.","membership":"Include the yellow filled shape through its circular, oval, and rectangular forms. Exclude its shadow, neighboring shapes, and the later yellow background column.","id":"obj_016","temporal":{"status":"found","start_s":9.75,"end_s":12.75,"reference_s":10.5,"evidence":"目标是从右侧出现、随后位于粉色与灰色球之间的金黄色实心形状，包含其圆形、椭圆形和矩形变化。首个合格帧为9.75秒；此前9.50秒尚未出现黄色球。最后合格帧为12.50秒，此时黄色矩形仍完整可见；12.75秒已拉长并被画面边界裁切，随后成为不纳入目标的背景色柱。选择10.50秒为关键帧，此时黄色球轮廓清晰、无遮挡，且与邻近球易于区分。","start_frame":234,"end_frame":306,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[579,485,677.1,658.3],"positive_points":[[614.6,510.2],[646.9,516.7],[595.3,560.2],[658.9,572.2],[610.9,614.8],[639.1,634.3]],"negative_points":[[513,569],[747,570],[628,450],[628,704]],"evidence":"目标是五球排列中位于粉色球与灰色球之间的金黄色球。边界框紧贴黄色填充形状，不含下方阴影。六个正点分布在球内的上、中、下部，四个负点位于相邻粉色球、灰色球及目标上下方的白色背景。"}},{"name":"Microscope on turquoise","description":"A white microscope silhouette centered in the leftmost turquoise column, later examined by a large white magnifying glass.","membership":"Include the microscope's tube, circular joint, curved arm, stage, and base. Preserve the open spaces between these parts. Exclude the colored column and the overlaid magnifying glass.","id":"obj_017","temporal":{"status":"found","start_s":13.75,"end_s":15.0,"reference_s":14.0,"evidence":"目标是最左侧青绿色栏内的白色显微镜，包含镜筒、圆形关节、弯臂、载物台和底座。13.50秒仍在淡入，13.75秒首次完整清晰呈现；最后符合帧为14.75秒，显微镜仍位于原处，被放大镜镜面部分遮覆，不将放大镜计入目标。区间到达视频结尾，无后续采样帧。选择14.00秒作为关键帧，此时轮廓清楚且没有放大镜遮挡。","start_frame":330,"end_frame":360,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[86.9,416.2,153.2,598.1],"positive_points":[[122.9,434.3],[108.3,496.3],[130.2,470.4],[149.5,518.5],[98.4,549.1],[124.5,586.1]],"negative_points":[[67.7,500],[169.3,518.5],[122.4,648.1],[321.9,470.4]],"evidence":"目标是最左侧青绿色栏中的白色显微镜。边界框紧贴镜筒、圆形关节、弯曲支架、载物台和底座；六个正点分别落在这些实体部件上。负点位于目标外侧的青绿色背景及右邻橙色栏的另一台显微镜上，未标记结构内部空隙。图中未见叠加的放大镜。"}},{"name":"Microscope on orange","description":"A white microscope silhouette centered in the orange column, second from the left.","membership":"Include the tube, joint, curved arm, stage, and base of this microscope only, following its silhouette and leaving open spaces unfilled. Exclude the orange background.","id":"obj_018","temporal":{"status":"found","start_s":13.75,"end_s":15.0,"reference_s":14.0,"evidence":"目标是左起第二个橙色栏中央的白色显微镜，包含镜筒、关节、弯曲支臂、载物台和底座。13.50秒仍在淡入，13.75秒首次完整清晰呈现；最后合格帧为14.75秒，目标仍完整可见，因此区间延续至视频结束15.00秒，之后无采样帧。选择14.00秒作为关键帧，轮廓清晰且无遮挡，易与其他栏中的显微镜区分。","start_frame":330,"end_frame":360,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[280.2,416.7,346.4,597.2],"positive_points":[[316.1,435.2],[299.5,501.9],[321.9,470.4],[342.2,514.8],[290.1,548.1],[317.2,585.2]],"negative_points":[[250,500],[369.3,507.4],[313,377.8],[521.4,470.4]],"evidence":"目标是左起第二个橙色栏中的白色显微镜。边界框紧贴其镜筒、关节、弯曲支臂、载物台和底座；六个正点分布于这些白色实体部分。负点位于目标外侧的橙色背景及右侧粉色栏的另一台显微镜上，未标记轮廓内部空隙。"}},{"name":"Microscope on pink","description":"A white microscope silhouette centered in the middle pink column.","membership":"Include this microscope's tube, joint, curved arm, stage, and base. Exclude internal open spaces and the pink background.","id":"obj_019","temporal":{"status":"found","start_s":13.75,"end_s":15.0,"reference_s":14.0,"evidence":"目标是中间粉色竖栏内的白色显微镜，包含镜筒、关节、弯曲支架、载物台和底座。13.50秒仍处于淡入阶段，13.75秒首次完整清晰呈现；最后一个合格采样帧为14.75秒，目标持续存在至视频结束，边界之后没有采样帧。选择14.00秒作为关键帧，轮廓清楚且无遮挡，易与两侧显微镜区分。","start_frame":330,"end_frame":360,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[478.1,415.7,544.8,598.1],"positive_points":[[515.6,433.3],[497.4,500],[521.4,470.4],[540.1,518.5],[490.1,548.1],[515.6,587]],"negative_points":[[460,500],[565,520],[320,471],[718,470]],"evidence":"目标是中央粉色竖栏中的白色显微镜。边界框紧贴镜筒、关节、弧形支臂、载物台和底座；六个正点分布在这些白色实体部位。负点位于两侧粉色背景及相邻橙色、黄色栏的其他显微镜上，避开目标内部空隙。"}},{"name":"Microscope on yellow","description":"A white microscope silhouette centered in the yellow column, second from the right.","membership":"Include this microscope's tube, joint, curved arm, stage, and base, following the actual silhouette. Exclude open spaces and the yellow background.","id":"obj_020","temporal":{"status":"found","start_s":13.75,"end_s":15.0,"reference_s":14.0,"evidence":"目标是倒数第二个黄色竖栏中央的白色显微镜，包含镜筒、关节、弯臂、载物台和底座。13.50秒仍处于淡入阶段，13.75秒首次完整清晰呈现；此后持续可见至最后采样帧14.75秒，因此区间结束于视频末尾15.00秒，末尾之外无采样帧。选择14.00秒作为关键帧，因其轮廓清晰完整、无遮挡，且易与其他栏中的显微镜区分。","start_frame":330,"end_frame":360,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[676.6,415.7,743.2,598.1],"positive_points":[[714.1,432.4],[697.9,492.6],[719.3,470.4],[739.6,520.4],[687.5,548.1],[713.5,585.2]],"negative_points":[[661.5,481.5],[765.6,527.8],[710.9,648.1],[520.8,470.4]],"evidence":"目标是右起第二个黄色栏中的白色显微镜。边界框紧贴其镜筒、关节、弧形支臂、载物台和底座；六个正点分布在这些白色实体部位，负点位于轮廓外的黄色背景及左侧另一显微镜上，避开目标内部空隙。"}},{"name":"Microscope on gray","description":"A white microscope silhouette centered in the rightmost pale blue-gray column.","membership":"Include this microscope's tube, joint, curved arm, stage, and base. Exclude the open spaces within the silhouette and the blue-gray background.","id":"obj_021","temporal":{"status":"found","start_s":13.75,"end_s":15.0,"reference_s":14.0,"evidence":"目标是最右侧浅蓝灰色竖栏中央的白色显微镜，镜筒、关节、弧形支架、载物台和底座完整。13.50秒仍处于淡入阶段，13.75秒首次完整清晰呈现；最后一个合格采样帧为14.75秒，故区间结束于视频末尾15.00秒，之后无采样帧。选择14.00秒作为关键帧，轮廓清晰且无遮挡。","start_frame":330,"end_frame":360,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[862,415.7,928.6,598.1],"positive_points":[[899.5,433.3],[879.7,500],[905.2,470.4],[924.5,515.7],[873.4,548.1],[898.4,587]],"negative_points":[[843.8,500],[953.1,500],[901,370.4],[901,648.1]],"evidence":"目标是最右侧浅蓝灰色栏中的白色显微镜。边界框紧贴镜筒、关节、弯曲支架、载物台和底座的可见范围；六个正点分布在这些白色部件上，四个负点位于显微镜外围的蓝灰色背景，未标记轮廓内部空隙。"}},{"name":"White magnifying glass","description":"A large white magnifying glass entering from the left and moving over the microscope in the turquoise column, with its rounded handle extending downward.","membership":"Include the circular rim, the entire enclosed lens area and visible contents, the connector, and the handle. Follow the outer outline, excluding exterior space beside the handle and the rest of the colored columns.","id":"obj_022","temporal":{"status":"found","start_s":14.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是移入青绿色栏、罩住显微镜的白色放大镜，包含圆环、镜内区域、连接部和向下的圆头手柄。14.50秒时圆环左缘仍被画面边界裁切；14.75秒首次完整显示，也是最后一个合格采样帧，因此选为关键帧。该帧轮廓清晰、结构完整。区间延续至视频结束15.00秒，之后无采样帧。","start_frame":354,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[32.8,365.7,196.4,893.5],"positive_points":[[114.6,379.6],[70.3,490.7],[121.4,494.4],[187.5,513],[134.4,659.3],[153.1,806.5]],"negative_points":[[20.8,509.3],[91.1,782.4],[202.1,787],[317.7,497.2]],"evidence":"目标是青绿色栏中包围显微镜的大型白色放大镜。边界框紧贴圆形外缘并覆盖连接部和向下延伸的完整手柄；正点分布在圆框、镜片及其可见内容、连接部和手柄上，负点位于外侧青绿色背景、手柄两侧及橙色栏中的另一显微镜上。"}}]}
+{"video_id":135,"video_type":"visual design and media animation","targets":[{"name":"Branded tower device","description":"Upright black rectangular device in the opening collage’s upper-left panel, with lime wave lines and a small Priome logo.","membership":"Include the device’s front, top, and side surfaces and their printed graphics. Exclude the trailing cable, floor, shadows, and collage panel.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是开场拼贴左上面板内的黑色直立长方体设备，正面带青柠色波纹和小型 Priome 标志，顶面、侧面及印刷图案均已完整呈现。首个合格帧为 0.00 秒，最后为 0.50 秒；0.75 秒画面已切换为绿色背景上的白色动画元素，设备不再出现。区间始于视频开头，无更早采样帧。选择 0.00 秒作关键帧，设备轮廓清晰、无遮挡，便于排除右侧拖线、阴影及面板。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[93.2,68.7,187.5,277.8],"positive_points":[[137.6,73.1],[110.2,106.7],[150.8,137.4],[118.4,196.6],[133.2,251.5],[178.2,176.2]],"negative_points":[[228.6,255.1],[144.2,301.2],[69.1,164.5],[211.6,131.6]],"evidence":"目标是左上面板中带有青柠色波纹和小型 Priome 标志的直立黑色设备。边界框紧贴设备可见的正面、顶面和右侧面；正点分布在这些表面及印刷图案上。负点位于右侧拖线、下方地面和两侧背景，排除线缆、阴影及面板。"}},{"name":"Stacked Priome packaging","description":"Two dark rectangular product boxes in the opening collage’s upper-middle panel, with lime wave graphics, Priome lettering, QR codes, and pull tabs.","membership":"Include both boxes as the compact packaging arrangement, including visible surfaces, printing, and projecting tabs. Exclude the background and cast shadows.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是开场拼贴上方中央面板中的两只深色包装盒，可见荧光绿波纹、Priome 字样、二维码及突出的拉片。首个合格帧为 0.00 秒，最后一个为 0.50 秒，两盒均完整呈现；区间始于视频开头，无更早采样帧。紧邻的 0.75 秒帧已切换为绿色背景上的白色动画元素，包装盒消失。选择 0.00 秒作为关键帧，因为两盒表面、印刷与拉片清晰且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[357.5,49.7,572.4,312.9],"positive_points":[[467,120],[386,160],[540,166],[405,256],[478,274],[517,260]],"negative_points":[[325,154],[604,245],[476,330],[580,75]],"evidence":"目标位于上排中间面板，可由两只叠放的深色盒子、荧光绿波纹、Priome 字样及二维码识别。边框紧贴两盒的可见表面及突出拉片，不含投影。正点分布于上盒顶面、侧面和二维码区域，以及下盒侧面、正面和拉片；负点位于包装四周的面板背景。"}},{"name":"Website smartphone mockup","description":"Angled black smartphone in the opening collage’s upper-right panel, displaying a Priome website with lime line graphics.","membership":"Include the complete visible handset, bezel, and screen contents. Exclude the neighboring laptop and ribbed supporting surface.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.25,"evidence":"目标是开场拼贴右上面板中倾斜的黑色手机，屏幕显示 Priome 网站及青柠色线条图形；不包括旁边的笔记本电脑和条纹支撑面。首个合格帧为 0.00 秒，最后为 0.50 秒，手机的机身、边框和屏幕均完整可见。区间始于视频开头，没有更早帧；紧邻的 0.75 秒已切换为绿色背景上的白色动画图形，手机消失。选择 0.25 秒作为关键帧，手机轮廓清晰且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[743.4,40.2,912.3,298.2],"positive_points":[[838,84],[856,132],[810,173],[789,208],[811,256],[846,57]],"negative_points":[[713,128],[932,168],[779,306],[957,61]],"evidence":"目标是右上面板中倾斜的黑色手机，屏幕显示 Priome 网站和青柠色线条。边界框覆盖完整可见机身、边框及屏幕；正点分布在手机顶部、屏幕和下部边框，负点位于旁边的笔记本电脑及手机外部的条纹承托表面。"}},{"name":"Opening Priome emblem","description":"White outlined P-like emblem to the left of the large Priome lettering in the opening collage’s middle-left panel.","membership":"Include the emblem’s outer outline and enclosed areas, following its curved and pointed silhouette. Exclude the adjacent lettering and green background.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是开场拼贴中左侧中部绿色面板内、Priome大字左边的白色P形轮廓徽标。首个合格帧为0.00秒，最后为0.50秒，徽标均完整可见；0.75秒已切换为绿色背景上的绘制动画，原拼贴徽标不再出现。区间始于视频开头，无更早采样帧。选择0.00秒作为关键帧，徽标清晰完整且无遮挡，易与旁边文字区分。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[111.3,465.6,153.5,535.1],"positive_points":[[131.6,468.6],[113.5,494.9],[150.8,492.7],[136.5,478.8],[132.1,493.4],[116.2,524.9]],"negative_points":[[176,497.1],[101.4,497.1],[133.2,449.6],[140.9,546.8]],"evidence":"目标是中间左侧面板中、大号 Priome 字样左边的白色 P 形徽标。边界框紧贴徽标的弧形顶部、两侧和左下尖端；正点覆盖白色轮廓及其围合区域，负点位于相邻字母和徽标外部的绿色背景上。"}},{"name":"Opening Priome wordmark","description":"Large white “Priome” lettering with a copyright symbol in the opening collage’s middle-left panel.","membership":"Include the lettering and copyright symbol only. Exclude the separate emblem and background panel.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是开场拼贴中部左侧面板内的白色“Priome”字样及其右下角版权符号，不包括左侧独立徽标。首个合格帧为0.00秒，最后为0.50秒，文字始终完整可见；0.75秒已切换为绿色背景上的白色动画图形，目标消失。区间到达视频起点，没有更早帧。选择0.00秒作为关键帧，字样清晰、无遮挡，便于独立标注。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[168.9,478.1,339.9,522.7],"positive_points":[[171.1,503.7],[200.1,506.6],[237.9,504.4],[266.4,511.7],[314.1,505.1],[335.0,511.7]],"negative_points":[[131.6,472.9],[256.6,451.8],[274.1,553.4],[377.7,505.1]],"evidence":"目标位于拼贴图中左侧中部的绿色面板，是大型白色“Priome”字样及右下角版权符号。边界框仅覆盖文字和版权符号；正点分布在字母笔画及版权符号上，负点位于左侧独立徽标和文字外的面板背景上。"}},{"name":"Logo construction diagram","description":"P-like Priome emblem shown with vector nodes and Bézier handles on the opening collage’s bright lime central panel.","membership":"Include the emblem geometry, enclosed areas, construction paths, nodes, and handles. Exclude the lime backing panel.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是开场拼贴中央亮 lime 绿色面板中的 P 状 Priome 标志构造图，可见完整轮廓、矢量节点及贝塞尔控制柄，不包括背板。首个合格帧为 0.00 秒，最后为 0.50 秒；视频起点之前无采样帧，紧接的 0.75 秒已切换为绿色背景上的白色动画形状，构造图消失。选择 0.00 秒作为关键帧，图形完整清晰且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[531.3,415.9,639.8,584.8],"positive_points":[[583.3,417.4],[542.8,483.9],[623.9,483.2],[583.3,485.4],[559.2,566.5],[603.1,519.7]],"negative_points":[[503.3,460.5],[663.4,506.6],[585.0,617.0],[586.6,383.8]],"evidence":"目标位于拼贴中央的亮青柠色面板，是带矢量节点与贝塞尔控制柄的 P 形 Priome 标志。边界框紧密覆盖标志几何、封闭区域及外围构造路径、节点和控制柄；正点分布在顶部、两侧、中心及下部弯曲区域，负点均位于图形外围的青柠色底板上。"}},{"name":"Priome door hanger","description":"Black and lime branded hanging tag suspended from a dark door lever in the opening collage’s middle-right panel.","membership":"Include the tag’s complete silhouette, printed branding, circular graphic, and upper opening. Exclude the door, handle, and mounting hardware.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是开场拼贴中部右侧面板内悬挂于深色门把手的黑绿 Priome 门挂牌，可见完整牌身、上部开孔、品牌文字及底部圆形图案。首个合格帧为0.00秒，最后为0.50秒；0.25秒也持续可见。区间从视频起点开始，无更早帧；紧邻的0.75秒已切换为绿色背景上的白色动画元素，门挂牌消失。选择0.00秒作为关键帧，挂牌轮廓及印刷元素清晰，便于排除门和把手硬件。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[822.4,403.5,871.7,606.7],"positive_points":[[831.7,419.6],[827.3,473.0],[848.1,511.0],[866.2,530.0],[844.3,570.9],[849.2,599.4]],"negative_points":[[812.5,405.0],[915.6,430.6],[800.4,548.2],[893.6,581.9]],"evidence":"目标是中右面板中悬挂于门把手的黑色、青柠色 Priome 门挂牌。边框紧贴挂牌完整可见轮廓，涵盖上部开口、品牌文字及底部圆形图案；正点分布于顶部弧边、牌身、文字和底部，负点位于门面、把手及安装底座，不将这些部件纳入目标。"}},{"name":"Auditorium presentation screen","description":"Wide stage display in the opening collage’s lower-left panel, reading “Transform Your Business at the Speed of Innovation” beside lime wave graphics.","membership":"Include the display surface, its boundary, and all displayed text and graphics. Exclude the auditorium seating, lighting rig, walls, and stage surroundings.","id":"obj_008","temporal":{"status":"found","start_s":0.0,"end_s":0.75,"reference_s":0.0,"evidence":"目标是开场拼贴左下角的宽幅舞台显示屏，屏内有“Transform Your Business at the Speed of Innovation”文字及 lime 绿色波纹图形，显示表面和边界完整。首个合格帧为0.00秒，最后为0.50秒；区间起点即视频开头，无更早帧。紧邻的0.75秒已切换为绿色背景上的白色动画元素，显示屏消失。选择0.00秒作为关键帧，屏幕完整清晰且无遮挡，不包含座椅、灯架及舞台环境。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[85,715,532,905],"positive_points":[[139,752],[265,780],[406,749],[492,869],[128,864],[310,850]],"negative_points":[[230,945],[575,807],[324,699],[792,822]],"evidence":"目标是左下角礼堂内的宽幅演示屏，以英文标题“Transform Your Business at the Speed of Innovation”和右侧青柠色波纹识别。边界框紧贴显示屏表面及边缘，包含全部屏显文字和图形；正点分布在标题、标志、波纹及显示背景上，负点位于座椅、屏外墙面、上方灯架区域和右下角独立面板。"}},{"name":"Website laptop mockup","description":"Open dark laptop in the opening collage’s lower-right panel, displaying the Priome website.","membership":"Include the laptop’s screen, bezel, keyboard, trackpad, and chassis. Exclude the ribbed background and shadows.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是开场拼贴右下角展示 Priome 网站的深色打开笔记本，屏幕、边框、键盘、触控板和机身均已完整呈现。首个合格帧为 0.00 秒，最后为 0.50 秒；区间起点即视频开头，无更早帧。紧邻的 0.75 秒帧已切换为绿色背景上的白色动画元素，笔记本消失。选择 0.00 秒作为关键帧，目标完整清晰且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[691,694,924,964],"positive_points":[[765,789],[729,844],[833,804],[800,882],[826,922],[888,895]],"negative_points":[[661,804],[885,753],[948,936],[735,950]],"evidence":"目标是拼图右下角展示 Priome 网站的打开式深色笔记本电脑。边界框紧贴屏幕、边框及键盘底座的整体可见轮廓；正点分布于屏幕、边框、键盘、触控板和机身，负点位于电脑外部的条纹背景及暗部，不包含背景和投影。"}},{"name":"White logo-tracing marker","description":"Small white shape that moves around the green field, changing from a rounded rectangle to a dot while leaving a tapered curved trail before the full emblem appears.","membership":"Include the white moving shape and its visible tracing trail as one animated graphic. Follow the open trail without filling the space between its curves. Exclude the background and the subsequently revealed complete emblem.","id":"obj_010","temporal":{"status":"found","start_s":0.75,"end_s":4.0,"reference_s":1.5,"evidence":"目标是绿色背景上移动的白色圆角块及其渐细弧形轨迹，随后变为圆点。首个合格帧为0.75秒；此前0.50秒仍是品牌展示拼图。最后合格帧为3.75秒，白色小圆点仍可辨认，正在出现的完整徽标不计入目标；4.00秒仅剩完整徽标，标记已消失。选择1.50秒作为关键帧，白色块和开放的弧形轨迹清晰、无遮挡。","start_frame":18,"end_frame":96,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[434.2,263.9,634.3,625.7],"positive_points":[[465,297],[516,290],[570,321],[614,395],[622,502],[574,590]],"negative_points":[[400,330],[548,230],[675,468],[554,680]],"evidence":"图中白色圆角矩形及其向右下方延伸、逐渐收尖的弧形轨迹对应目标。边界框紧贴白色标记和完整可见轨迹；六个正点分布在白色块及弧线各段，四个负点位于目标外围的绿色背景，未标记弧线围出的内部空白。"}},{"name":"Revealed and traveling Priome emblem","description":"Large white P-like emblem revealed on the green background, later shrinking beside the wordmark and becoming a dark extruded emblem that moves toward the vertical app dock.","membership":"Include the complete emblem, its enclosed areas, and visible extruded surfaces as it scales and rotates. Follow its actual silhouette and external concavities. Exclude the wordmark, background lines, app tile, dock, and lighting effects.","id":"obj_011","temporal":{"status":"found","start_s":4.0,"end_s":16.0,"reference_s":4.25,"evidence":"目标是绿色背景上的 P 状徽记，随后缩小至字标旁，转为深色立体徽记并移向应用栏，继续迁移至手机、浏览器和社交面板。3.75 秒仍处于淡入揭示，4.00 秒首次完整清晰呈现；此后缩放、旋转及嵌入图标均保持连续，最后合格帧为 15.75 秒。区间到达视频结尾，没有后续采样帧。选择 4.25 秒作为关键帧，徽记轮廓完整、无遮挡，且与文字和其他图标分离。","start_frame":96,"end_frame":384,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[361.3,269.7,641.5,728.1],"positive_points":[[501,288],[628,453],[565,604],[376,649],[466,468],[490,588]],"negative_points":[[300,450],[700,460],[505,200],[510,790]],"evidence":"图像中央绿色背景上的大型白色P状图形即目标徽标。边界框紧贴完整徽标的外缘，包含圆环、内部结构、左侧竖笔及底部弯曲部分；按要求纳入其封闭区域。六个正点分布在徽标各主要笔画上，四个负点位于徽标外部的绿色背景，避开内部封闭区域。"}},{"name":"Animated Priome wordmark","description":"White “Priome” lettering progressively revealed to the right of the reduced emblem, ending with a copyright symbol.","membership":"Include the revealed letters and copyright symbol throughout the text reveal. Exclude the adjacent emblem, green background, and transition glow.","id":"obj_012","temporal":{"status":"found","start_s":6.75,"end_s":7.0,"reference_s":6.75,"evidence":"目标是缩小徽标右侧的白色“Priome”字样及版权符号，不含徽标。6.75秒为首个且最后一个文字与版权符号均完整呈现的采样帧；前一帧6.50秒末尾字母仍在显现，版权符号尚未出现，后一帧7.00秒字标已被转场替换。选择6.75秒作为关键帧，文字完整清晰且无遮挡。","start_frame":162,"end_frame":168,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[389.8,456.1,716.0,543.1],"positive_points":[[394.2,500.0],[449.0,514.6],[521.4,510.2],[578.9,519.0],[674.3,508.8],[707.2,522.7]],"negative_points":[[286.7,502.2],[546.6,420.3],[572.9,578.9],[740.1,515.4]],"evidence":"目标是徽标右侧完整显现的白色“Priome”字样及末尾版权符号。边框紧贴文字和版权符号，不包含左侧图形徽标。六个正点分布在字母笔画及版权圆环上；负点位于左侧徽标和文字外围的绿色背景。"}},{"name":"Vertical app dock","description":"Tall translucent rounded panel containing Messages, a lime Priome app tile, and App Store; it later shifts to the left beside the smartphone mockup.","membership":"Include the dock’s visible surface, rounded boundary, all three app tiles, their symbols, and notification badges. Exclude the background and any independently floating emblem in front of it.","id":"obj_013","temporal":{"status":"found","start_s":7.5,"end_s":9.0,"reference_s":8.5,"evidence":"目标为含 Messages、荧光绿 Priome 和 App Store 三个图块的半透明竖向圆角栏，不含前方独立悬浮徽标。7.5 秒栏面及完整边界已建立，7.25 秒仍在展开、上下图块尚被裁切；最后符合帧为 8.75 秒，9.0 秒放大后栏体上下端开始超出画面。选择 8.5 秒作为关键帧，完整栏体、三个图块及通知角标均清楚可见，无悬浮徽标遮挡。","start_frame":180,"end_frame":216,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[411,113,591,903],"positive_points":[[490,225],[501,500],[503,774],[555,432],[438,355],[566,629]],"negative_points":[[390,480],[625,490],[500,80],[500,942]],"evidence":"图中中央的竖直半透明圆角面板包含 Messages、亮绿色 Priome 和 App Store 三个应用图标，符合目标描述。边界框紧贴面板的可见圆角外边界，覆盖其表面、全部图标及红色通知徽标。正点分布于三个图标、徽标和面板表面，负点位于面板左右及上下的外部背景。"}},{"name":"Dock Priome app tile","description":"Central lime rounded-square tile in the vertical dock, receiving the Priome emblem and showing a red notification badge that counts up to “4”.","membership":"Include the rounded tile, its contained emblem, and attached red notification badge with its number. Exclude neighboring app tiles, the dock surface, and the emblem while it is separately floating outside the tile.","id":"obj_014","temporal":{"status":"found","start_s":8.25,"end_s":13.5,"reference_s":10.0,"evidence":"目标是竖向 Dock 中央的荧光绿圆角方块，包含内部 Priome 标志及右上角红色数字徽章。8.25 秒三部分首次完整呈现；前一帧 8.00 秒徽章仍是尚未展开的小红点。最后合格帧为 13.25 秒，目标随 Dock 移到右侧但仍完整可见；13.50 秒已被浏览器场景替代。选择 10.00 秒作为关键帧，因为方块、标志和数字“4”徽章清晰完整，无遮挡。","start_frame":198,"end_frame":324,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[356.9,277.8,679.8,694.4],"positive_points":[[400,370],[424,520],[503,359],[609,555],[502,663],[631,345]],"negative_points":[[326,478],[710,510],[500,790],[500,24]],"evidence":"目标是纵向程序坞中央的青柠色圆角方形应用磁贴，内有黑色徽标，右上附红色数字“4”通知徽章。边界框紧贴磁贴与徽章的整体可见范围；正点分布于磁贴表面、内部徽标和通知徽章，负点位于外部背景、程序坞空白及上方相邻磁贴。"}},{"name":"Emblem traveling from dock to phone","description":"Dark extruded Priome emblem that emerges in front of the dock’s enlarged app tile and moves onto the angled smartphone’s Priome tile.","membership":"Include the floating emblem’s visible front and side surfaces and enclosed areas, following its actual silhouette. Exclude both app tiles, their badges, the dock, and the phone.","id":"obj_015","temporal":{"status":"found","start_s":10.75,"end_s":13.75,"reference_s":11.0,"evidence":"目标是从 dock 放大应用图块前浮出、移向倾斜手机的深色立体 Priome 徽标，不含图块和角标。10.75 秒首次完整呈现；10.50 秒仍是图块内的平面标志。该立体徽标随后落到手机上，再连续移向浏览器，最后合格帧为 13.50 秒；13.75 秒已被浏览器标签内的平面小图标替代。选择 11.00 秒，徽标正面与侧面清晰，且与两侧界面容易区分。","start_frame":258,"end_frame":330,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[477,196,645,786],"positive_points":[[548,219],[622,366],[613,544],[516,738],[488,494],[527,391]],"negative_points":[[362,374],[464,273],[956,506],[695,656]],"evidence":"目标是画面中央偏右、悬浮在绿色应用图块前方的深色立体 Priome 徽标。边界框紧贴其顶部圆弧、右侧厚度及底部延伸轮廓，覆盖可见正面、侧面和轮廓围合区域。六个正点分布在徽标各处表面；负点位于后方应用图标、红色角标、右侧手机及外部黑色背景，排除这些非目标对象。"}},{"name":"Home-screen smartphone mockup","description":"Large angled silver-edged smartphone introduced on the right, showing “9:41” and a home screen with Priome, Calendar, Mail, and other app tiles.","membership":"Include the visible handset body, edge controls, bezel, and all screen contents. Exclude the separate app dock, background, and floating emblem before it joins the screen tile.","id":"obj_016","temporal":{"status":"found","start_s":11.25,"end_s":13.0,"reference_s":12.5,"evidence":"目标是右侧倾斜的银边手机，屏幕显示“9:41”及 Priome、Calendar、Mail 等应用，区别于左侧独立应用坞。11.00 秒仅有入场的手机边缘；11.25 秒手机的有意裁切构图、机身和主屏布局已完整建立。最后合格帧为 12.75 秒，13.00 秒手机向右退出并进一步被画面边界裁切。选择 12.50 秒作为关键帧，此时手机清晰，浮动徽标已并入应用图标，遮挡较少。","start_frame":270,"end_frame":312,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[352,0,1000,1000],"positive_points":[[468,181],[594,201],[662,478],[915,420],[776,797],[514,817]],"negative_points":[[168,272],[166,657],[324,333],[328,887]],"evidence":"目标是右侧倾斜的银边手机，可由“9:41”及 Priome、Calendar、Mail 图标确认。边界框覆盖可见机身、侧键、边框和全部屏幕，顶部、右侧及底部按图像截断。正点分布于屏幕上部、应用图标和侧键；负点位于左侧独立应用栏及手机外背景。"}},{"name":"Phone Priome app tile","description":"Lime Priome tile near the upper-left of the angled phone’s home screen, with a red badge progressing to “4” and the label “Priome” beneath it.","membership":"Include the tile, contained emblem, attached notification badge, and its app-name label as one functional unit. Exclude neighboring apps, the surrounding screen, and the independently floating emblem.","id":"obj_017","temporal":{"status":"found","start_s":11.75,"end_s":13.25,"reference_s":12.5,"evidence":"目标是斜置手机主屏左上方的荧光绿 Priome 应用单元，包含内嵌标志、红色通知角标和下方名称。11.75 秒首次完整呈现，13.00 秒仍完整可见；此前 11.50 秒标志仍在浮动并入图块，组合尚未完成，之后 13.25 秒手机及该图块已消失。选择 12.50 秒作为关键帧，此时图块、标志、数字“4”角标和名称清晰且无遮挡。","start_frame":282,"end_frame":318,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[558.7,327.5,774,642.5],"positive_points":[[596.5,436.4],[723.7,524.1],[657.9,456.1],[710.5,360.4],[654.6,631.6],[761,599.4]],"negative_points":[[167.8,266.1],[917.2,407.9],[608.6,317.3],[765.4,799]],"evidence":"目标是倾斜手机屏幕上的荧光绿色 Priome 应用。框包含绿色图块及内部徽标、红色“4”通知角标和下方完整应用名称。正点分布于图块、徽标、角标及名称笔画；负点位于左侧独立悬浮图标、日历、邮件及外围屏幕背景。"}},{"name":"Emblem traveling to browser tab","description":"Extruded Priome emblem presented independently again after the phone demonstration, rotating above the green background and moving toward a browser tab.","membership":"Include the emblem’s front and depth surfaces and all enclosed areas within its true silhouette. Exclude the app dock, browser graphics, and background.","id":"obj_018","temporal":{"status":"found","start_s":13.0,"end_s":13.75,"reference_s":13.25,"evidence":"目标是手机演示后独立飞出、旋转并移向浏览器标签的立体 Priome 徽记，包含正��和厚度侧面。首个符合帧为13.00秒，末个为13.50秒；此前12.75秒徽记仍位于手机应用图标内，之后13.75秒已被浏览器标签中的平面小图标替代。选择13.25秒作为关键帧，此时徽记完整、较大，正面与侧面清晰且遮挡少。","start_frame":312,"end_frame":330,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[337,103,646,633],"positive_points":[[482,122],[350,305],[421,455],[493,251],[478,401],[601,588]],"negative_points":[[842,721],[254,390],[679,368],[514,732]],"evidence":"目标是画面中央偏左、独立悬浮的立体 Priome 徽标，而非右侧应用栏中的图标。边界框紧贴徽标正面、深色挤出侧面及轮廓内封闭区域的整体范围。六个正点分布在外环、中心圆环、连接段和下端；负点位于右侧应用图标及徽标外部的绿色背景。"}},{"name":"Browser controls mockup","description":"Dark browser tab and navigation panel showing a Priome tab, colored window controls, navigation icons, and a locked address beginning “www.priome.com”.","membership":"Include the tab strip and navigation panel, their boundaries, controls, favicon, tab text, and address field contents. Exclude the larger empty translucent window surround and the floating emblem before it becomes the favicon.","id":"obj_019","temporal":{"status":"found","start_s":13.5,"end_s":14.0,"reference_s":13.75,"evidence":"目标是含 Priome 标签、彩色窗口按钮、导航图标及带锁网址的深色浏览器控制面板，不含外围透明空窗和悬浮徽标。13.50 秒面板主体与边界已完整建立，悬浮徽标仅遮挡部分内部内容；最后合格帧为 13.75 秒。前一帧 13.25 秒尚未显示该控制面板，后一帧 14.00 秒面板放大后右侧开始被画面边界裁切。选择 13.75 秒作为关键帧，因为面板完整、文字清楚且无遮挡。","start_frame":324,"end_frame":336,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[109.1,213.5,815.2,500.0],"positive_points":[[199,272],[346,272],[721,272],[232,412],[566,416],[672,487]],"negative_points":[[493,157],[842,407],[493,619],[78,395]],"evidence":"通过 Priome 标签、彩色窗口按钮、导航图标及带锁的 www.priome.com 地址识别目标。框覆盖标签栏和深色导航面板的可见范围；正点分布在窗口按钮、favicon、新建标签按钮、导航控件、地址栏及面板表面，负点位于外围背景和明确排除的空白半透明窗口区域。"}},{"name":"Priome browser favicon","description":"Lime circular favicon containing the black Priome emblem at the left of the browser’s “Priome” tab.","membership":"Include the circular lime tile and everything within its boundary. Exclude the tab title, tab surface, and the independently floating three-dimensional emblem.","id":"obj_020","temporal":{"status":"found","start_s":13.75,"end_s":15.25,"reference_s":14.5,"evidence":"目标是浏览器“Priome”标签左侧、内含黑色标志的青柠色圆形 favicon，不包括独立悬浮的三维标志。首个完整帧为13.75秒，最后完整帧为15.00秒；13.50秒圆形内尚无完整黑色标志，15.25秒该 favicon 已随浏览器移出画面。选择14.50秒作为关键帧，此时圆形及内部标志清楚、无遮挡。","start_frame":330,"end_frame":366,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[478.6,220.0,548.2,313.6],"positive_points":[[496.7,250.7],[513.2,233.2],[535.1,257.3],[526.9,291.7],[502.2,296.8],[513.2,266.8]],"negative_points":[[463.3,267.5],[600.9,269.0],[513.2,333.3],[513.2,199.6]],"evidence":"目标是浏览器“Priome”标签标题左侧、内含黑色徽标的青柠色圆形图标。边界框紧贴圆形外缘，包含圆内全部内容；六个正点分布在色块及黑色徽标上，四个负点位于圆外标签背景及右侧标题处。"}},{"name":"Emblem traveling to social profile","description":"Dark extruded Priome emblem presented independently after the browser close-up, moving in front of the newly introduced social profile toward its avatar.","membership":"Include the floating emblem’s visible surfaces and enclosed areas, following its actual outline. Exclude the browser remnants, profile card, avatar backing, and background.","id":"obj_021","temporal":{"status":"found","start_s":15.0,"end_s":15.75,"reference_s":15.25,"evidence":"目标是浏览器特写之后独立漂浮、移向社交资料头像的深色立体 Priome 徽标。15.0 秒首次完整出现，15.5 秒仍以旋转后的立体形态位于头像前方，为最后合格帧。此前 14.75 秒仅见浏览器及其标签图标；之后 15.75 秒已替换为头像底板上的平面图标，不再有独立漂浮徽标。选择 15.25 秒，因徽标较大、轮廓和挤出侧面清楚，便于区分背景资料卡。","start_frame":360,"end_frame":378,"reference_frame":366},"grounding":{"status":"found","bbox_xyxy":[251,19,589,567],"positive_points":[[422,44],[268,249],[562,159],[336,423],[391,246],[552,538]],"negative_points":[[192,402],[642,402],[276,766],[740,227]],"evidence":"目标是悬浮在社交资料卡前方的大型深色立体 Priome 徽标。边界框紧贴其顶部圆环、侧缘及右下延伸部分，按实际轮廓包含可见表面和围合区域。六个正点分布在圆环、中央结构及下方尾部；负点位于外部绿色背景、资料卡和小头像底板上。"}},{"name":"Priome social profile card","description":"Dark social profile panel with a green header, “Priome”, “@priome”, a Follow button, a business-and-technology biography, profile statistics, tabs, and a website-update post.","membership":"Include the card’s boundary, header, avatar, profile information, controls, statistics, tabs, and visible post. Exclude the surrounding green background and separately floating emblem.","id":"obj_022","temporal":{"status":"found","start_s":15.25,"end_s":16.0,"reference_s":15.5,"evidence":"目标是带绿色页眉、Priome／@priome、Follow 按钮、简介、统计、标签及更新帖的深色社交资料卡，不含前方独立悬浮徽标。15.25 秒卡片边界和布局已完整建立，虽被徽标局部遮挡仍符合条件；此前 15.00 秒尚未出现该卡。最后一个采样帧 15.75 秒卡片仍在放大展示，未见退出或消失；视频于 16.00 秒结束，无后续帧。选择 15.50 秒作为关键帧，卡片完整位于画面内，主体信息清楚，遮挡较少。","start_frame":366,"end_frame":384,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[280.7,130.8,719.8,869.2],"positive_points":[[604,217],[640,362],[510,531],[439,634],[322,766],[556,798]],"negative_points":[[219,526],[795,548],[504,80],[410,291]],"evidence":"根据绿色页眉、Follow 按钮、简介、统计、标签及网站更新帖，识别出 Priome 社交资料卡。边界框紧贴整张圆角卡片；正点分布于页眉、按钮、简介、统计和帖子区域。负点位于卡片外的绿色背景及明确排除的悬浮黑色徽标上。"}},{"name":"Social profile avatar","description":"Lime rounded-square avatar overlapping the social profile header’s lower-left edge, containing the black Priome emblem after the traveling emblem settles.","membership":"Include the avatar tile and its contained emblem. Exclude the header, profile name, verification mark, and the smaller repeated avatar inside the post.","id":"obj_023","temporal":{"status":"found","start_s":15.75,"end_s":16.0,"reference_s":15.75,"evidence":"目标是社交资料页封面左下缘的青柠色圆角方形头像及其内部黑色 Priome 标志，不包括帖子内的小头像。首个及最后一个符合条件的采样帧均为15.75秒，此时标志已完整进入头像；前一帧15.50秒中，飞行标志仍大幅伸出头像，组合尚未完成呈现。区间延续至视频结束，无后续采样帧。选择15.75秒作为关键帧，因为头像完整清晰且无遮挡。","start_frame":378,"end_frame":384,"reference_frame":378},"grounding":{"status":"found","bbox_xyxy":[251.6,325.3,327.9,426.9],"positive_points":[[262,340],[315,342],[260,407],[314,414],[289,371],[279,390]],"negative_points":[[350,300],[301,463],[366,463],[277,913]],"evidence":"目标是横幅左下边缘处、内含黑色 Priome 徽标的青柠色圆角方形头像。边界框紧贴整个头像瓷砖，包含其徽标；正点分布于瓷砖表面及徽标，负点位于横幅、资料名称、认证标记和帖子中的较小重复头像。"}}]}
+{"video_id":136,"video_type":"visual design and media animation","targets":[{"name":"White dotted circular graphic","description":"A large circular formation of bright white dots on the opening black screen, interrupted across its middle by the investment statement. Dim gray dots continue outside the bright formation.","membership":"Include the bright dots forming the upper and lower portions of the circular motif. Exclude the surrounding gray dot field, black background, central text, and separate red circle.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标位于0.00秒的开场黑屏：明亮白点构成上下两部分的圆形图案，中间被投资陈述隔开；不包含外围灰点、文字及独立红圆。首个和最后一个符合条件的采样帧均为0.00秒，图案已完整呈现，因此选其为关键帧。区间到达视频起点，之前没有采样帧；紧邻的0.25秒已切换为米色背景的几何图形场景，目标消失。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[210.4,124.1,814.0,915.8],"positive_points":[[398.4,173.6],[262.2,327.3],[784.7,366.3],[216.8,635.4],[739.7,789.1],[489.7,904.5]],"negative_points":[[171.4,327.3],[876.0,673.6],[34.2,495.7],[527.8,498.3]],"evidence":"目标是被中央投资声明截断的亮白色点阵圆形。边界框覆盖上下两部分全部亮点，包括顶部孤立亮点和底部末排亮点。六个正点分散落在上下及左右的白点上；负点位于外围灰点、中央文字和独立红色圆内，均为排除内容。"}},{"name":"Investment statement","description":"The white text “Every investment we’ve completed” across the middle-left of the opening screen.","membership":"Include the complete text block and its letterforms. Exclude the dotted graphic, adjacent red circle, and black backing.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是开场画面中部偏左的白色完整文字“Every investment we’ve completed”，不含点阵、红圆或黑色背景。首个及最后一个符合条件的采样帧均为0.00秒，文字已完整清晰呈现；此前已是视频起点，无更早帧。紧邻的0.25秒帧已切换为米色背景的几何图形与另一段文字，目标消失。选择0.00秒为关键帧，因为文字完整且无遮挡。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[31.7,479.2,462.4,524.3],"positive_points":[[33.2,496.5],[111.3,503.5],[254.9,494.8],[331.5,502.6],[403.8,499.1],[460,498.3]],"negative_points":[[528.3,498.3],[307.6,366.3],[204.1,439.2],[307.6,570.3]],"evidence":"目标是画面中部偏左的白色文字“Every investment we’ve completed”。边界框紧贴完整单行文字，包含字母间隔及下伸笔画。六个正点分布在文字不同位置的字形笔画上；负点位于右侧红圆、上方白色圆点及文字外的黑色背景，排除这些非目标元素。"}},{"name":"Sector coverage statement","description":"Oversized white text reading “in every sector we cover” scrolls across the upper portion of the beige scene, with parts clipped by the image edges.","membership":"Include the visible portions of this single scrolling text block throughout its movement. Exclude the geometric shapes below it and the beige background.","id":"obj_003","temporal":{"status":"found","start_s":0.25,"end_s":3.25,"reference_s":1.25,"evidence":"目标是米色场景上方滚动的超大白色文字“in every sector we cover”；按目标定义保留其被画面边缘裁切的可见部分。首个符合帧为0.25秒，最后为3.00秒。前一帧0.00秒是黑底投资说明，后一帧3.25秒已切换为四个行业色块，目标文字消失。选择1.25秒作关键帧，文字清晰、可见内容较多，且与下方几何图形分离。","start_frame":6,"end_frame":78,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[44.9,279.5,1000,456],"positive_points":[[50,363],[178,361],[394,444],[548,361],[822,348],[917,360]],"negative_points":[[488,174],[49,668],[513,651],[879,885]],"evidence":"目标是米色背景上方的超大白色滚动文字，可见“in every sector we”及右边缘被裁切的后续字母。边界框覆盖整段可见文字，包括下伸笔画和右侧裁切部分。正点分布在不同单词的白色笔画上；负点位于外部米色背景及下方蓝色、红色几何图形上。"}},{"name":"Animated geometric chain","description":"A horizontal chain of differently sized red, blue, black, and white circles and semicircles beneath the sector coverage statement. It includes stacked white semicircles and moves horizontally while individual shapes change size.","membership":"Include the filled shapes composing the continuous horizontal chain, including partially clipped members. Follow each shape’s actual outline, preserving the gaps between shapes. Exclude the text above and the beige background.","id":"obj_004","temporal":{"status":"found","start_s":0.25,"end_s":3.25,"reference_s":1.5,"evidence":"目标是米色背景上、行业覆盖文字下方由红蓝黑白圆形及半圆组成的横向几何链，含上下堆叠的白色半圆。首个合格帧为0.25秒，结构已完整呈现；两端裁切属于描述明确包含的设计。其后水平移动并改变各形状大小，最后合格帧为3.00秒。前一帧0.00秒为黑底点阵画面，后一帧3.25秒已替换为四个行业色块。选择1.50秒作为关键帧，链条轮廓清晰，堆叠半圆和不同颜色的圆形易于区分。","start_frame":6,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[0,475.7,1000,858.5],"positive_points":[[91,655],[245,613],[336,672],[542,666],[752,691],[962,667]],"negative_points":[[500,180],[614,354],[535,930],[236,850]],"evidence":"目标是文字下方由红、蓝、黑、白色圆形及半圆组成的横向几何链。边界框覆盖所有可见形状，包括左右边缘被裁切的成员；正点分布在不同颜色及位置的实心形状内，负点位于上方文字和链外的米色背景。"}},{"name":"Services panel","description":"The upper-left black sector panel, initially labeled “Services” in white. Its contents subsequently become a small grid of outlined circular and semicircular symbols, some filling red, with a moving pale dot.","membership":"Include the complete black panel surface, its boundary, and all text and animated graphics contained within it. Exclude the neighboring sector panels.","id":"obj_005","temporal":{"status":"found","start_s":3.25,"end_s":7.75,"reference_s":4.25,"evidence":"目标是左上方黑色 Services 扇区面板���后续内部变为轮廓圆形、半圆符号及移动浅色点。首个合格帧为3.25秒：黑色面板表面与边界已完整建立，虽仍在移动，但不影响纳入。最后合格帧为7.50秒。前一帧3.00秒仍是横排几何图案，尚无该面板；后一帧7.75秒已切换为浅色文字画面，面板消失。选择4.25秒作为关键帧，因为面板边界清楚、Services 标签完整，且与相邻面板容易区分。","start_frame":78,"end_frame":186,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[0,0,500,500],"positive_points":[[76,91],[398,105],[250,241],[105,380],[361,408],[447,300]],"negative_points":[[665,173],[840,393],[194,719],[745,752]],"evidence":"目标为左上角带白色“Services”文字的黑色面板。边界框覆盖其完整表面及内部文字，止于图像中央的横纵分界线。六个正点分布在该面板内部；四个负点位于右上、左下和右下的相邻面板内。"}},{"name":"Consumer panel","description":"The upper-right beige sector panel, initially labeled “Consumer” in black. It subsequently displays oversized red, white, blue, and black circles moving through its cropped area.","membership":"Include the complete beige panel surface, its boundary, and its label and animated circles. Clip contained graphics at the panel edges and exclude neighboring panels.","id":"obj_006","temporal":{"status":"found","start_s":3.5,"end_s":7.75,"reference_s":4.25,"evidence":"目标是右上角米色的“Consumer”面板，后续同一面板内出现被边缘裁切的彩色大圆。首个合格帧为3.50秒，面板表面及矩形边界已完整建立；前一帧3.25秒仍在分区入场拼合，米色区域向右下延伸，边界尚未完整。最后合格帧为7.50秒，7.75秒已切换为浅色文字画面，面板消失。选择4.25秒作为关键帧，此时面板边界清晰、标签完整且没有圆形图案干扰。","start_frame":84,"end_frame":186,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[500,0,1000,500],"positive_points":[[550,78],[912,103],[751,236],[576,402],[850,438],[946,323]],"negative_points":[[271,228],[449,431],[728,726],[271,741]],"evidence":"目标是右上角带黑色“Consumer”标签的米色面板。边界框覆盖完整右上象限，包含面板表面及标签；正点分布于面板各区域和标签处，负点位于左上黑色、左下红色及右下蓝色相邻面板内。"}},{"name":"Healthcare & education panel","description":"The lower-left red sector panel, initially labeled “Healthcare & education” in black. It subsequently shows alternating pale and black circles crossed by a broad pale horizontal band, with white and blue portions appearing during the animation.","membership":"Include the entire red panel surface and boundary, together with its text, circles, horizontal band, and other contained animation. Exclude the adjacent panels and any continuation beyond this panel’s edges.","id":"obj_007","temporal":{"status":"found","start_s":3.5,"end_s":7.75,"reference_s":4.25,"evidence":"目标是左下方红色“Healthcare & education”面板，后续同一面板内出现交替的浅色、黑色圆及浅色横带。首个合格帧为3.50秒，面板矩形表面与边界已完整建立；此前3.25秒仍处于布局揭示阶段，红色区域延伸至左上且文字被左边界截断。最后合格帧为7.50秒，7.75秒已切换为浅色背景文字画面，面板消失。选择4.25秒作为关键帧，面板边界清楚、标签完整且无遮挡。","start_frame":84,"end_frame":186,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[0,500,500,1000],"positive_points":[[64,568],[427,603],[120,738],[312,746],[77,921],[447,936]],"negative_points":[[250,245],[747,251],[720,726],[927,923]],"evidence":"目标是左下角红色的“Healthcare & education”面板。边界框紧贴该面板，覆盖其全部红色表面和黑色文字。六个正点分布在面板上部、文字区域及下部；四个负点位于相邻的黑色、浅灰色和蓝色面板内。"}},{"name":"Technology panel","description":"The lower-right blue sector panel, initially labeled “Technology” in white. Its later animation consists of thin nested and rotating square outlines with small red, pale, white, and black dots along them.","membership":"Include the complete blue panel surface, its boundary, and all contained text, square outlines, connecting lines, and dots. Exclude neighboring panels; graphics remain clipped to this panel.","id":"obj_008","temporal":{"status":"found","start_s":3.25,"end_s":7.75,"reference_s":4.25,"evidence":"目标是右下方蓝色 Technology 面板，之后内部变为旋转、嵌套的细方框及彩色圆点。3.25秒蓝色矩形表面与边界已完整建立，虽仍在移动但符合纳入条件；最后符合帧为7.50秒。此前3.00秒仍是横向排列的几何图形，之后7.75秒已切换为浅色背景文字，面板消失。选择4.25秒作为关键帧，面板边界清晰、标签完整且无遮挡。","start_frame":78,"end_frame":186,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[500,500,1000,1000],"positive_points":[[550,562],[908,593],[638,710],[754,745],[566,919],[931,922]],"negative_points":[[426,734],[290,914],[743,404],[270,269]],"evidence":"目标是右下角带白色“Technology”文字的蓝色面板。边界框覆盖完整蓝色区域及其中的文字，从图像中央延伸至右下边缘。六个正点分布在蓝色面板内部及文字区域，四个负点位于左下红色、右上浅色和左上黑色相邻面板。"}},{"name":"Experience statement","description":"Black text on a pale background, progressively revealed from “has” to “has given us more experience to,” then held near the center.","membership":"Include the complete progressively revealed text block. Exclude the surrounding pale background.","id":"obj_009","temporal":{"status":"found","start_s":8.25,"end_s":10.0,"reference_s":8.5,"evidence":"目标是浅色背景中央的黑色文字块“has given us more experience to”。8.00秒仍缺少末尾的“to”，8.25秒首次完整显示；此后持续可见，最后合格帧为9.75秒，文字虽略有移动但仍完整。区间延续至视频结束，之后无采样帧。选择8.50秒作为关键帧，文字清晰完整、无遮挡，便于标注。","start_frame":198,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[239.3,455.7,772.5,513.9],"positive_points":[[241.7,479.2],[330.1,459.2],[408.7,481.8],[457.0,481.8],[643.6,481.8],[745.1,478.3]],"negative_points":[[190,480],[820,480],[480,390],[540,580]],"evidence":"图像中央可见黑色文字“has given us more experience to”，与目标描述一致。边界框紧密覆盖完整单行文字；六个正点分布在各词的实际字形笔画上，四个负点位于文字外围的浅色背景。"}}]}
+{"video_id":137,"video_type":"visual design and media animation","targets":[{"name":"Moving circle and colored trail","description":"A pale circular head travels vertically near the center, with a broad trail extending upward and changing between red, green, and charcoal.","membership":"Include the circular head and its attached solid-colored trail, following their visible outlines. Exclude the scattered background streaks.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":1.5,"evidence":"目标是画面中央附近的浅色圆形头部及向上延伸、在红色、绿色和炭黑色之间变化的实心拖尾，不包括背景细条。首个合格帧为0.00秒，结构已完整建立，拖尾延伸至画面顶部属于设计表现；视频起点前无采样帧。最后合格帧为1.50秒，1.75秒已替换为圆弧和指针图形。选择1.50秒作为关键帧，圆头与绿色宽拖尾轮廓清晰、无遮挡。","start_frame":0,"end_frame":42,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[312.5,0,693.8,556.5],"positive_points":[[359,40],[644,43],[450,224],[537,330],[485,467],[514,515]],"negative_points":[[279,353],[749,288],[388,443],[510,649]],"evidence":"目标为画面中央的浅色圆头及其向上延伸、顶部被画面截断的绿色实心拖尾。边界框紧贴拖尾与圆头的整体可见轮廓；六个正点分布在拖尾宽部、收窄部分及圆头内，四个负点位于外侧红褐色背景和独立背景条纹上。"}},{"name":"Segmented gauge","description":"A large open circular gauge has pale, coral, and dark-red sectors and a cream needle with a golden pivot.","membership":"Include the colored annular sectors, needle, and circular pivot. Follow the open gauge outline; exclude the missing sector, exposed background between components, scattered dots, and glow.","id":"obj_002","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.5,"evidence":"目标为浅色、珊瑚色和深红色环形分区组成的开口仪表，配有奶油色指针及金色圆形轴心。首个合格帧为2.25秒，仪表全部结构已完整入画；前一帧2.00秒的深红色环段仍被画面下边界截断。最后合格帧为3.00秒，后一帧3.25秒已切换为汉堡薯条传送带，仪表消失。选择2.50秒为关键帧，轮廓完整清晰，各组成部分易于区分。","start_frame":54,"end_frame":78,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[169.3,32.4,847.9,830.6],"positive_points":[[211,623],[499,91],[817,567],[590,577],[473,667],[211,782]],"negative_points":[[233,458],[102,450],[920,506],[705,922]],"evidence":"目标为中央大型开口仪表，由浅色、珊瑚色、深红色环形扇区及奶油色指针、金色圆轴组成。边框紧贴可见仪表外缘，不含辉光。正点分布在各扇区、指针和圆轴上；负点位于浅色扇区上的独立黄色散点及仪表外部背景，避开内部空白和缺口。"}},{"name":"Upper conveyor belt","description":"The upper cream conveyor carries illustrated hamburgers and fries across the two-tone food-production scene.","membership":"Include the cream belt, circular rollers, and attached colored support strips. Food items remain separate subjects rather than parts of the belt. Exclude the background grid and shelving.","id":"obj_003","temporal":{"status":"found","start_s":3.25,"end_s":5.5,"reference_s":4.0,"evidence":"目标是双色情景中上层的奶油色传送带，包括圆形滚轮及相连的彩色支撑条，不含汉堡和薯条。3.25秒首次完整呈现；5.25秒虽随画面旋转，带体及支撑结构仍保持完整，属于横贯画面的设计性裁切。前一帧3.0秒为仪表图案，后一帧5.5秒已切换到饮料灌装场景。选择4.0秒，因上层传送带水平清晰，易与下层传送带及食品区分。","start_frame":78,"end_frame":132,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[0,390.7,1000,584.3],"positive_points":[[62,451],[752,433],[318,486],[707,486],[209,543],[901,546]],"negative_points":[[238,240],[576,328],[336,104],[410,790]],"evidence":"目标是画面上层横贯全宽的奶油色传送带。边界框覆盖带面、圆形滚轮及下方相连的黄色、粉色和深色支撑条；正点分布在这些部件上，负点位于独立的汉堡、薯条及上方背景，排除食品、背景网格和下层物体。"}},{"name":"Lower conveyor belt","description":"A second cream conveyor runs beneath the upper food row and carries a matching row of hamburgers and fries.","membership":"Include this belt's cream surface, circular rollers, and attached support strips. Exclude the food items, background grid, and shelving.","id":"obj_004","temporal":{"status":"found","start_s":3.25,"end_s":5.5,"reference_s":4.0,"evidence":"目标是下排汉堡和薯条下方的奶油色传送带，包括圆形滚轮及相连支撑条，不含食品。首个合格帧为3.25秒，带体已建立，画面边缘裁切属于贯穿画面的构图；此前3.00秒仍是仪表图案。最后合格帧为5.25秒，传送带随整个场景旋转但仍连续可见；5.50秒已切换为饮料喷嘴场景。选择4.00秒作为关键帧，此时下层传送带水平排列，与上层易于区分。","start_frame":78,"end_frame":132,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[0,923.1,1000,1000],"positive_points":[[62.5,966.7],[224,958.3],[407,968.5],[546.9,963],[710.4,967.6],[937.5,966.7]],"negative_points":[[405,787],[575.5,851.9],[599,429.6],[651,629.6]],"evidence":"目标是画面最下方、承托第二排汉堡和薯条的奶油色传送带。边界框覆盖其可见带面、圆形滚轮及底边露出的支撑条，延伸至图像下缘。正点分布在带面和多个滚轮上；负点位于下排食物、上层传送带及背景，排除这些非目标区域。"}},{"name":"Upper left hamburger","description":"The leftmost hamburger on the upper conveyor is initially cropped by the left edge. It has a golden bun, green lettuce, a dark filling, and a projecting yellow cheese slice.","membership":"Include the complete illustrated hamburger and its thick dark outline, including all filling layers. Exclude the conveyor and background silhouettes.","id":"obj_005","temporal":{"status":"found","start_s":3.75,"end_s":4.0,"reference_s":3.75,"evidence":"目标是上层传送带最左侧的汉堡，具有金黄面包、绿色生菜、深色夹层和突出的黄色芝士，并带粗深色轮廓。3.75秒时完整汉堡刚好位于画面内，是此次连续出现的首个及最后一个合格帧；前一帧3.50秒仍被左边界裁切，后一帧4.00秒又被左边界裁切。因此选择3.75秒作为关键帧，其各层结构清晰且无遮挡。","start_frame":90,"end_frame":96,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[0,170.4,157.8,398.1],"positive_points":[[44.3,225.9],[128.1,252.8],[85.4,302.8],[44.8,338.9],[128.1,337],[81.8,370.4]],"negative_points":[[75.5,115.7],[93.8,432.4],[234.4,250],[143.8,92.6]],"evidence":"目标是上方传送带最左侧、被画面左缘裁切的汉堡。框紧贴可见汉堡，覆盖金色面包、绿色生菜、深色馅料、突出奶酪及粗深色轮廓。六个正点分布于各层实际内容；负点位于上方背景剪影、传送带、右侧另一汉堡及外部背景。"}},{"name":"Upper middle hamburger","description":"The hamburger initially fully visible beside the cropped upper-left hamburger becomes the middle burger in the upper row.","membership":"Include its buns, lettuce, filling, cheese, and enclosing dark outlines. Exclude neighboring burgers and the conveyor.","id":"obj_006","temporal":{"status":"found","start_s":3.25,"end_s":5.25,"reference_s":4.0,"evidence":"目标是3.25秒时上排左侧被裁切汉堡旁的完整汉堡，随后成为上排中间的汉堡；按其上下 bun、菜叶、夹馅、芝士及深色外轮廓连续追踪。首个合格帧为3.25秒，前一帧3.00秒仍是仪表图案。最后合格帧为5.00秒；5.25秒画面旋转后，该汉堡移至左下方并被底边裁切。选择4.00秒为关键帧，此时目标完整、正立且与相邻汉堡清楚分离。","start_frame":78,"end_frame":126,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[157.3,170.4,316.1,392.6],"positive_points":[[203,236],[280,253],[245,304],[281,330],[207,344],[238,368]],"negative_points":[[92,246],[396,255],[236,428],[234,126]],"evidence":"目标是上排中间、紧邻左侧被裁切汉堡的完整汉堡。边界框覆盖其上下层面包、生菜、肉馅、芝士及深色外轮廓。六个正点分布在这些组成部分上；负点位于左右相邻汉堡、下方传送带和上方背景，均不属于目标。"}},{"name":"Lower middle hamburger","description":"The initially fully visible hamburger beside the cropped lower-left burger becomes the middle hamburger of the lower row.","membership":"Include both buns and all illustrated fillings within this burger's outline. Exclude the conveyor and adjacent burgers.","id":"obj_008","temporal":{"status":"found","start_s":3.25,"end_s":5.0,"reference_s":4.0,"evidence":"目标是3.25秒时下排左侧被裁切汉堡右边的完整汉堡，随后成为下排中间的汉堡；仅包含其面包与夹馅。首个合格帧为3.25秒，前一帧3.00秒仍是仪表图案。最后合格帧为4.75秒；5.00秒画面旋转后，该汉堡下部开始被画面底边裁切。选择4.00秒作为关键帧，目标轮廓完整，与相邻汉堡清楚分离。","start_frame":78,"end_frame":120,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[157.3,707.4,316.1,930.6],"positive_points":[[201,771],[263,788],[182,837],[291,869],[207,880],[262,906]],"negative_points":[[94,789],[391,781],[240,659],[235,965]],"evidence":"目标是下排位于左侧被裁切汉堡右边的中间汉堡。边界框紧贴该汉堡的完整外轮廓，覆盖上下层面包及全部夹馅。正点分布于面包、生菜、肉饼和芝士上；负点位于左右相邻汉堡、上方背景及下方传送带上。"}},{"name":"Upper right hamburger","description":"A third hamburger enters the upper row to the right of the first two, completing the trio on the golden half of the scene.","membership":"Include this individual hamburger's buns, fillings, cheese projection, and dark boundary. Exclude the adjacent fries and belt.","id":"obj_009","temporal":{"status":"found","start_s":3.5,"end_s":5.5,"reference_s":4.0,"evidence":"目标是金色区域上排最右侧、紧邻薯条区域的第三个汉堡，包含完整面包、馅料、突出奶酪和深色轮廓。3.50秒首次完整出现；此前3.25秒上排仅有前两个汉堡。目标随画面旋转至5.25秒仍完整可见，5.50秒切换为饮料机画面后消失。选择4.00秒作关键帧，目标正向、无遮挡，与同排其他汉堡易于区分。","start_frame":84,"end_frame":132,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[326.6,170.4,485.4,392.6],"positive_points":[[406.3,217.6],[348.4,250.9],[452.1,302.8],[451.0,332.4],[420.8,370.4],[376.0,347.2]],"negative_points":[[286.5,242.6],[572.9,314.8],[406.3,428.7],[407.3,119.4]],"evidence":"目标是金黄色区域上排最右侧、紧邻薯条左边的第三个汉堡。边界框紧贴其上下层面包、菜叶、肉饼、突出的芝士和深色轮廓；六个正点分布于这些组成部分，负点位于左邻汉堡、右邻薯条、下方传送带及上方背景。"}},{"name":"Lower right hamburger","description":"A third hamburger enters the lower row and occupies the position nearest the division between the hamburger and fries sections.","membership":"Include the entire individual hamburger illustration and its dark outline. Exclude adjacent food and conveyor elements.","id":"obj_010","temporal":{"status":"found","start_s":3.5,"end_s":5.5,"reference_s":4.0,"evidence":"目标是下排最右侧、紧邻汉堡区与薯条区分界的第三个汉堡，包含完整深色轮廓。3.5秒首次完整出现，3.25秒下排仅见前两个汉堡；随后目标随画面移动、旋转，至5.25秒仍完整可见，5.5秒切换为饮料龙头场景而消失。选择4.0秒作为关键帧，目标形状清楚、无遮挡，与相邻食物易于区分。","start_frame":84,"end_frame":132,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[326.6,707.4,485.4,930.6],"positive_points":[[366,764],[441,787],[354,837],[450,838],[439,871],[395,905]],"negative_points":[[237,780],[568,842],[407,652],[452,967]],"evidence":"目标是下排最右侧、紧邻汉堡区与薯条区分界的第三个汉堡。边界框覆盖整个汉堡及深色外轮廓；正点分布于上下层面包、生菜和肉饼，负点位于左邻汉堡、右邻薯条、上方背景和下方传送带。"}},{"name":"Upper leading fries carton","description":"The first fries carton entering the upper row is initially the left of two visible cartons and later becomes the leftmost of three. Yellow fries rise from a red carton bearing a circular “m” emblem.","membership":"Include the carton, its outline and shading, the circular emblem, and every protruding fry. Follow the gaps and concavities around the fries; exclude the belt and shelf silhouettes.","id":"obj_011","temporal":{"status":"found","start_s":3.5,"end_s":5.5,"reference_s":4.0,"evidence":"目标是上排最先进入的薯条盒：3.50秒时为两个可见盒中左侧的一盒，随后成为��盒中最左侧，具有黄色薯条、红色盒身和圆形“m”徽标。首个完整帧为3.50秒，前一帧3.25秒尚无该盒；最后完整帧为5.25秒，随画面旋转仍完整可见，5.50秒已切换为饮料机画面。选择4.00秒作为关键帧，目标轮廓清晰、无遮挡，且容易与右侧两盒区分。","start_frame":84,"end_frame":132,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[518,133,628,400],"positive_points":[[549,203],[578,161],[606,198],[540,292],[615,359],[577,331]],"negative_points":[[730,324],[573,852],[595,432],[505,222]],"evidence":"目标是上排三个薯条盒中最左侧的一盒。边界框紧贴所有露出的薯条及红色盒体，包含轮廓、阴影和圆形“m”徽标。正点分布在薯条、盒体两侧及徽标上；负点位于右侧另一盒、下排薯条盒、传送带和左侧外部背景，避开薯条间的自然空隙。"}},{"name":"Upper middle fries carton","description":"The second fries carton entering the upper row is initially cropped at the right edge and subsequently occupies the middle fries position.","membership":"Include this carton, its emblem, dark outlines, and protruding fries. Exclude neighboring cartons and the background shelf.","id":"obj_012","temporal":{"status":"found","start_s":3.75,"end_s":5.25,"reference_s":4.0,"evidence":"目标是上排第二个进入的薯条盒，随后位于三个薯条盒的中间，包含薯条、徽标和深色轮廓。3.50秒它仍被右边界裁切，3.75秒首次完整出现；5.00秒旋转中的目标仍完整，5.25秒随画面旋转移出并被上边界裁切，因此最后合格帧为5.00秒。选择4.00秒作为关键帧，此时目标轮廓清晰、无遮挡，且易与左右相邻盒区分。","start_frame":90,"end_frame":126,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[674.5,125,786,400],"positive_points":[[687,171],[727,224],[763,190],[699,327],[737,330],[772,356]],"negative_points":[[579,326],[880,327],[651,295],[724,74]],"evidence":"目标是上排三个薯条盒中居中的第二盒。边界框紧贴其突出薯条、红色盒身、徽标及深色轮廓；六个正点分布在薯条、盒身和徽标上，四个负点位于左右相邻薯条盒及目标外的背景。"}},{"name":"Lower leading fries carton","description":"The first fries carton entering the lower row is initially the left of the two visible cartons and becomes the leftmost carton in the completed row.","membership":"Include the red carton, circular “m” emblem, outlines, and individual protruding fries. Exclude the conveyor and background silhouettes.","id":"obj_013","temporal":{"status":"found","start_s":3.5,"end_s":5.5,"reference_s":4.0,"evidence":"目标是下排最先进入的薯条盒：3.50秒时位于下排两个可见薯条盒的左侧，随后成为完整三盒队列的最左盒。首个合格帧为3.50秒，3.25秒下排尚无该薯条盒；最后合格帧为5.25秒，随传送带旋转但盒体、圆形m标志和薯条仍完整可见，5.50秒已切换为饮料龙头场景。选择4.00秒作为关键帧，目标轮廓清晰、无遮挡，且易与右侧其他薯条盒区分。","start_frame":84,"end_frame":132,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[518.2,657.4,627.6,932.4],"positive_points":[[578.1,698.1],[529.2,749.1],[607.3,725],[540.6,843.5],[577.1,863],[615.1,868.5]],"negative_points":[[444.3,799.1],[724,857.4],[595.3,966.7],[649.5,638.9]],"evidence":"目标是下排最左侧的薯条盒，位于汉堡右侧。边界框覆盖突出的薯条、红色纸盒、圆形“m”标志及全部轮廓。六个正点分布于薯条、盒身和标志；负点位于左侧汉堡、右侧另一盒薯条、下方传送带及外部背景。"}},{"name":"Lower middle fries carton","description":"The second fries carton entering the lower row starts near the right edge and becomes the middle carton of the lower trio.","membership":"Include this entire fries-and-carton illustration, including its emblem and outline. Exclude other cartons and the conveyor.","id":"obj_014","temporal":{"status":"found","start_s":3.75,"end_s":5.5,"reference_s":4.0,"evidence":"目标是下排第二个从右侧进入、随后位于下排三只薯条盒中间的完整插画。3.50秒该盒仍被右边界裁切，3.75秒首次完整可见；之后随传送带画面旋转，至5.25秒仍完整可见，5.50秒切换为饮料机画面，目标消失。选择4.00秒为关键帧，盒体、薯条、徽标及轮廓清晰，与相邻盒子易于区分。","start_frame":90,"end_frame":132,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[673.4,657.4,786.5,932.4],"positive_points":[[688,699],[731,739],[765,720],[696,845],[735,869],[766,901]],"negative_points":[[574,858],[882,865],[710,968],[650,783]],"evidence":"目标是下排三份薯条中居中的一份。边界框覆盖其全部薯条、纸盒、徽标及外轮廓。六个正点分布在薯条、盒身和徽标上；负点位于左右相邻薯条盒、下方传送带及左侧外部背景。"}},{"name":"Upper right fries carton","description":"A third fries carton appears at the right end of the upper food row, completing the upper trio.","membership":"Include its red container, circular emblem, dark outlines, and yellow fries. Exclude the shelving and adjacent carton.","id":"obj_015","temporal":{"status":"found","start_s":3.75,"end_s":5.0,"reference_s":4.0,"evidence":"目标是上排三盒薯条中最右侧的一盒，包含红色纸盒、圆形徽标、深色轮廓和黄色薯条。3.75秒首次完整呈现，4.75秒为最后完整帧；此前3.50秒该右端目标尚未完整进入画面，之后5.00秒随整排旋转，顶部薯条被画面上边界裁切。选择4.00秒作为关键帧，目标完整清晰，与左侧相邻纸盒分离。","start_frame":90,"end_frame":120,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[821.4,125,932.3,400],"positive_points":[[883.9,158.3],[851,204.6],[911.5,190.7],[842.7,303.7],[882.8,331.5],[918.8,349.1]],"negative_points":[[734.4,326.9],[960.9,296.3],[963.5,141.7],[882.8,432.4]],"evidence":"目标是上排最右侧的第三个薯条盒。边界框覆盖黄色薯条、红色容器、圆形徽章及深色轮廓。六个正点分布在薯条、盒身和徽章上；负点位于左邻薯条盒、右侧背景及下方货架，均不属于目标。"}},{"name":"Lower right fries carton","description":"A third fries carton completes the lower row at its right end.","membership":"Include the individual carton and its protruding fries, emblem, shading, and dark boundary. Exclude neighboring objects and the belt.","id":"obj_016","temporal":{"status":"found","start_s":3.75,"end_s":5.0,"reference_s":4.0,"evidence":"目标是传送带下排最右端的第三个薯条盒，包含伸出的薯条、圆形徽标及深色轮廓。3.75秒首次完整呈现，4.75秒仍完整可见；此前3.50秒下排右端尚未完整呈现第三盒，之后5.00秒画面旋转使目标在右边界被裁切。选择4.00秒作为关键帧，此时目标完整清晰，与相邻薯条盒分离。","start_frame":90,"end_frame":120,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[821,657,933,933],"positive_points":[[835,699],[882,692],[910,740],[846,858],[882,863],[922,882]],"negative_points":[[735,866],[938,964],[959,696],[968,847]],"evidence":"目标是下排最右端的第三个薯条盒。边界框紧贴其突出薯条、红色盒身、徽标、阴影及深色外轮廓。正点分布在薯条、盒身和徽标上；负点位于左邻薯条盒、下方传送带、右上粉色背景图案及右侧背景。"}},{"name":"Left beverage dispenser nozzle","description":"The left of three golden dispensing fittings hangs above the beverage-filling area. It has a circular front fitting and a long narrow outlet.","membership":"Include the golden fitting, circular front detail, narrow outlet, and visible highlights. Exclude the mounting background and the separate brown liquid stream.","id":"obj_017","temporal":{"status":"found","start_s":5.5,"end_s":5.75,"reference_s":5.5,"evidence":"目标是三只金色饮料分配嘴中最左侧的一只，具有圆形正面配件和细长出口，不含背景及棕色液流。首个及最后一个合格帧均为5.50秒，此时金色结构完整可见；前一帧5.25秒仍为汉堡和薯条场景，后一帧5.75秒喷嘴上部已被画面顶部裁切。因此选择5.50秒作为关键帧，目标完整清晰且便于与另外两只区分。","start_frame":132,"end_frame":138,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[146.9,61.1,226.6,597.2],"positive_points":[[185.9,83.3],[183.3,120.4],[160.9,188.9],[190.1,268.5],[183.3,352.8],[181.8,532.4]],"negative_points":[[185.9,32.4],[125,342.6],[501,273.1],[242.7,518.5]],"evidence":"目标是三个金色出液配件中最左侧的一个。边界框紧贴其顶部金色连接段、圆形前端、收窄段及长出口，包含可见高光，不含上方棕色部分。六个正点分布在这些金色部件上；负点位于上方棕色部分、外围背景及中间的另一配件上。"}},{"name":"Center beverage dispenser nozzle","description":"The middle golden nozzle is positioned above the larger central drink container.","membership":"Include the complete visible golden nozzle assembly, circular front fitting, outlet, and highlights. Exclude the background mounting structure and dispensed liquid.","id":"obj_018","temporal":{"status":"found","start_s":5.5,"end_s":5.75,"reference_s":5.5,"evidence":"目标是三只金色饮料喷嘴中间的一只，对应后续较大的中央饮料容器。5.50秒是首个也是最后一个合格帧，金色组件、圆形正面接头、出液口及高光均完整可见；5.25秒仍为汉堡和薯条传送带场景，5.75秒喷嘴上部已被画面顶边裁切。因此选择5.50秒作为关键帧，目标完整且易与两侧喷嘴区分。","start_frame":132,"end_frame":138,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[462,71,542,606.5],"positive_points":[[503,92],[492,128],[535,164],[504,279],[500,378],[499,564]],"negative_points":[[190,269],[828,290],[578,464],[503,34]],"evidence":"目标是三组喷嘴中间的金色喷嘴。边界框覆盖顶部金色连接段、双层凸缘、圆形前端配件、下方出口及高光，不包含棕色安装结构。六个正点分布于这些金色部件；负点位于左右喷嘴、外部红色背景和顶部棕色安装结构。"}},{"name":"Right beverage dispenser nozzle","description":"The rightmost golden nozzle matches the other two and is positioned above the right drink container.","membership":"Include this nozzle's body, circular front fitting, long outlet, and highlights. Exclude the background and the separate liquid stream.","id":"obj_019","temporal":{"status":"found","start_s":5.5,"end_s":5.75,"reference_s":5.5,"evidence":"目标是三只金色饮料喷嘴中最右侧的一只，包含金色主体、圆形前端接头、长出口及高光，不包含液流。首个及最后一个合格帧均为5.50秒，此时喷嘴自身结构完整可见；前一帧5.25秒仍为汉堡和薯条场景，后一帧5.75秒喷嘴主体已从画面上方移出并被裁切，仅余部分出口。选择5.50秒作为关键帧，目标完整清晰且易与另外两只区分。","start_frame":132,"end_frame":138,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[787,81.5,866.7,617],"positive_points":[[828,102],[802,139],[831,289],[856,207],[824,374],[823,559]],"negative_points":[[746,375],[896,462],[830,38],[500,282]],"evidence":"目标是图中最右侧的金色饮料喷嘴。边界框覆盖金色顶部连接段、主体、圆形前端配件、细长出口及高光，不包含上方棕色连接件和背景。正点分布在上述金色部件上；负点位于左右背景、上方棕色部件及中间另一只喷嘴上。"}},{"name":"Left filling drink cup","description":"A smaller pink cup beneath the left dispenser has a dark outline and a cream circular “m” emblem. It fills with brown liquid and pink bubbles before rotating with the other cups.","membership":"Include the cup boundary, rim, enclosed interior, emblem, and changing liquid and bubbles inside it. Exclude liquid above the rim and the cast shadow.","id":"obj_020","temporal":{"status":"found","start_s":6.25,"end_s":6.5,"reference_s":6.25,"evidence":"目标是左侧出液口下方、带深色轮廓和奶油色圆形“m”标志的小粉色杯。6.25秒为首个也是本段最后一个完整呈现的采样帧；前一帧6.00秒杯底仍被画面下边界裁切，后一帧6.50秒因画面放大，杯体左侧被边界裁切。选择6.25秒作为关键帧，杯口、杯身边界及标志均清晰完整，易与中央大杯及右杯区分。","start_frame":150,"end_frame":156,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[103.6,449.1,261.5,813.0],"positive_points":[[180,460],[126,506],[184,620],[245,659],[177,780],[106,716]],"negative_points":[[181,838],[183,289],[299,621],[415,556]],"evidence":"目标是左侧出液口下方较小的粉色杯，带深色轮廓和奶油色圆形“m”徽标。框紧贴杯口至杯底，包含杯身内部与徽标，不含上方液柱及底部投影。正点分布于杯口、杯壁、内部和徽标；负点位于投影、上方液柱、外部背景及中央杯上。"}},{"name":"Center filling drink cup","description":"The largest cup stands beneath the middle dispenser, with a pink interior and prominent cream “m” badge. It fills with brown liquid and bubbles, then rotates toward a view of its circular base.","membership":"Include the cup's complete body, rim, boundary, enclosed interior, emblem, and contents through filling and rotation. Exclude the incoming stream outside the cup and its shadow.","id":"obj_021","temporal":{"status":"found","start_s":6.25,"end_s":8.5,"reference_s":7.25,"evidence":"目标是中间出液口下方最大的杯子，具有粉色内壁、奶油色“m”徽章及黑色轮廓，随后装入棕色液体和气泡并旋转展示杯底。首个合格帧为6.25秒，杯身和杯底已完整进入画面；前一帧6.00秒杯底仍被画面下缘裁切。最后合格帧为8.25秒，旋转后的杯底、杯身及缩小的徽章仍可辨认；8.50秒已变为黄色圆形图案，原杯子不再可见。选择7.25秒作为关键帧，中央杯子完整清晰，液体、气泡和徽章均易于辨认；不包含杯外液流及阴影。","start_frame":150,"end_frame":204,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[337,168,664,917],"positive_points":[[491,191],[441,256],[372,538],[503,548],[599,656],[558,846]],"negative_points":[[225,500],[54,514],[944,519],[499,958]],"evidence":"目标是画面中央最大的杯子，具有粉色内壁、棕色液体及奶油色圆形“m”徽章。边界框紧贴杯口和完整杯身，包含轮廓、内部、徽章与气泡，不包含底部投影。正点分布于杯口、粉色内壁、液体、徽章和气泡；负点位于外部红色背景、左右其他杯子及底部投影。"}},{"name":"Right filling drink cup","description":"A smaller cup beneath the right dispenser mirrors the left cup and fills with brown liquid and pink bubbles before rotating.","membership":"Include the cup, its rim and outline, circular emblem, and enclosed contents. Exclude the external pouring stream and cast shadow.","id":"obj_022","temporal":{"status":"found","start_s":6.25,"end_s":6.5,"reference_s":6.25,"evidence":"目标是右侧注液口下方的小饮料杯，具有粉色杯身、黑色轮廓及圆形M标志，不包括外部液流和投影。6.25秒是首个也是最后一个完整呈现的采样帧；此前6.00秒杯底仍被画面下边缘裁切，此后6.50秒镜头放大使杯身右侧被画面边缘裁切。因此选择6.25秒作为关键帧，杯体完整且与中央大杯、左侧小杯容易区分。","start_frame":150,"end_frame":156,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[742.2,448.1,900,813],"positive_points":[[817.7,460.2],[755.2,510.2],[884.4,526.9],[822.9,625],[786.5,756.5],[883.3,779.6]],"negative_points":[[824,277.8],[822.9,841.7],[937.5,632.4],[541.7,804.6]],"evidence":"目标是右侧出液口下方的小杯，与左侧小杯对应。边界框紧贴杯口、杯身外轮廓和杯底，包含圆形徽标及杯内区域。正点分布于杯沿、粉色杯身和徽标；负点位于上方外部流柱、下方投影、右侧背景及中央另一只杯子。"}},{"name":"Central yellow disk","description":"A large golden-and-yellow circular graphic replaces the rotating cup view, becoming a single yellow disk against the red background.","membership":"Include the disk's complete outer boundary and enclosed colored area. Exclude the two small flanking dots and the background.","id":"obj_023","temporal":{"status":"found","start_s":8.5,"end_s":9.5,"reference_s":8.75,"evidence":"目标是红色背景中央的大圆盘，包含金黄色外环及黄色内部，不含两侧小点。8.50秒首次完整呈现，随后变为单一黄色圆盘，最后合格帧为9.25秒。前一帧8.25秒仍是旋转的饮料杯；后一帧9.50秒圆盘出现黑色轮廓并被画面下边界裁切。选择8.75秒作为关键帧，此时圆盘边界完整清晰、无遮挡。","start_frame":204,"end_frame":228,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[284.9,87,720.8,863],"positive_points":[[492,166],[610,282],[674,464],[508,783],[410,665],[325,447]],"negative_points":[[210,460],[799,479],[508,39],[504,940]],"evidence":"目标是红色背景中央的大型黄色实心圆盘，边界框紧贴圆盘完整外缘并涵盖其内部。六个正点分散在圆盘内部的不同部位，四个负点位于圆盘外侧的红色背景上，均远离边缘。"}},{"name":"Featured lidded drink","description":"A close-up drink appears with a broad yellow lid and brown beverage, then pulls back to reveal a pink upper section, circular “m” emblem, and bent pale straw among other meal icons.","membership":"Include the cup body, enclosed beverage, rim, yellow lid, circular emblem, dark outlines, and attached straw. Exclude its cast shadow and surrounding food icons.","id":"obj_024","temporal":{"status":"found","start_s":10.25,"end_s":11.5,"reference_s":10.25,"evidence":"目标是由特写拉远后显露的饮料杯，具有宽黄色杯盖、棕色饮料、粉色上部、圆形“m”徽标及浅色弯吸管。10.25秒首次完整呈现，随后随餐食图案移动，最后合格帧为11.25秒。此前10.00秒杯身仍被画面下缘裁切；此后11.50秒目标随图案移至边缘并被裁切。选择10.25秒作关键帧，杯子居中完整，与周围食物容易区分。","start_frame":246,"end_frame":276,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[372,192,524,714],"positive_points":[[490,214],[387,389],[493,446],[450,545],[414,655],[492,675]],"negative_points":[[453,726],[590,488],[824,442],[419,161]],"evidence":"目标是画面中央完整的带盖饮料杯，具有黄色宽盖、粉色上段、棕色饮料、圆形“m”徽标和浅色弯吸管。框紧贴吸管至杯底的可见范围，包含杯体及描边，不含投影。正点分布在吸管、杯盖、粉色杯身、徽标及下部棕色区域；负点位于杯底投影、右侧红色背景、右侧汉堡和上方薯条图标。"}},{"name":"Left hamburger in meal pattern","description":"A large hamburger initially appears to the left of the featured lidded drink. It has a golden seeded bun, green lettuce, dark-red filling, and a yellow cheese corner.","membership":"Include this individual hamburger's complete food silhouette, fillings, and dark outline. Exclude its shadow and nearby cups or fries.","id":"obj_025","temporal":{"status":"found","start_s":10.5,"end_s":10.75,"reference_s":10.5,"evidence":"目标是餐点图案中最初位于主饮料杯左侧的汉堡，具有金黄色芝麻面包、绿色生菜、暗红夹馅和黄色芝士角。首末合格帧均为10.50秒，此时该汉堡在杯子左上方完整可见；前一帧10.25秒仍被左边界裁切，后一帧10.75秒已移至上方并被上边界裁切。选择10.50秒作为关键帧，轮廓完整、无遮挡，便于排除阴影和邻近餐点。","start_frame":252,"end_frame":258,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[214.6,100.9,451,431.5],"positive_points":[[270.8,205.6],[395.8,214.8],[278.6,294.4],[391.1,339.8],[287.5,350],[349,394.4]],"negative_points":[[333.3,450],[677.1,314.8],[757.8,648.1],[179.7,213]],"evidence":"目标是图中偏左上方的大汉堡，具有金黄色芝麻面包、绿色生菜、暗红馅料及露出的黄色芝士角。边界框紧贴完整食物轮廓和深色描边，不包含下方阴影。正点分布在上下层面包、生菜、馅料和芝士上；负点位于下方阴影、右侧饮料与薯条以及左侧红色背景。"}},{"name":"Right hamburger in meal pattern","description":"A second large hamburger initially appears to the right of the featured drink, fully visible with a golden bun and layered lettuce, filling, and cheese.","membership":"Include this hamburger's buns, all filling layers, and enclosing outlines. Exclude its cast shadow and neighboring meal icons.","id":"obj_026","temporal":{"status":"found","start_s":10.25,"end_s":10.75,"reference_s":10.25,"evidence":"目标是餐点图案中最初位于主饮料右侧的大汉堡，包含金黄面包、绿色生菜、馅料、奶酪及黑色轮廓。10.25秒首次完整可见，随图案移动后在10.50秒仍完整；此前10.00秒尚未出现该汉堡，之后10.75秒已被画面上边界裁切。选择10.25秒为关键帧，目标完整清晰，且与左侧被裁切的汉堡易于区分。","start_frame":246,"end_frame":258,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[694.3,332.4,956.3,700],"positive_points":[[755.2,449.1],[885.4,444.4],[891.7,543.5],[892.7,594.4],[779.7,609.3],[822.9,656.5]],"negative_points":[[781.3,717.6],[661.5,499.1],[450,544.4],[833.3,785.2]],"evidence":"目标是中央饮料右侧完整可见的大汉堡。边界框紧贴上下金黄色面包、绿色生菜、馅料、奶酪及黑色外轮廓，不含下方投影或邻近吸管。正点分布于面包和各夹层；负点位于下方投影、左侧红色背景、中央饮料及右下饮料的吸管上。"}},{"name":"Lower fries carton in meal pattern","description":"Another red fries carton enters from below the featured drink, becoming more fully visible as the repeated meal layout moves.","membership":"Include this individual container and all attached fries, its emblem, and dark boundary. Exclude its shadow and adjacent cups.","id":"obj_028","temporal":{"status":"found","start_s":10.5,"end_s":11.5,"reference_s":10.75,"evidence":"目标是10.25秒从主饮料下方进入的红色薯条盒，随重复餐点图案移动至画面右侧，包含薯条、徽章和深色轮廓。10.25秒仍被下边界裁切；10.5秒首次完整可见，至11.25秒仍完整。11.5秒图案继续移动，目标已不再完整处于画内，右下方另有裁切的重复薯条盒。选择10.75秒，目标在右侧清晰完整，与相邻饮料分离，便于标注。","start_frame":252,"end_frame":276,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[684.4,400,868.2,850],"positive_points":[[715.5,446.3],[739.6,537],[797.4,461.1],[837,515.7],[771.9,736.1],[814.6,795.4]],"negative_points":[[780.2,874.1],[903.1,682.4],[593.8,578.7],[402.1,676.9]],"evidence":"目标为画面右下方、中央饮料右侧的完整红色薯条盒。边界框覆盖该盒全部薯条、盒体、圆形徽标及深色外轮廓，不含底部阴影。正点分布在薯条、徽标和盒体上；负点位于盒下阴影、外围红色背景及中央饮料上。"}},{"name":"Lower-left drink in meal pattern","description":"A separate yellow-lidded drink with a bent pale straw enters at the lower left of the featured drink and becomes prominent as the pattern moves.","membership":"Include its cup body and interior, brown beverage, yellow lid, circular “m” badge, dark outlines, and straw. Exclude the shadow and neighboring food.","id":"obj_029","temporal":{"status":"found","start_s":10.5,"end_s":11.5,"reference_s":10.75,"evidence":"目标是餐点图案中从主饮料左下方进入的另一杯饮料，具有黄色杯盖、浅色弯吸管和圆形“m”徽章。10.25秒它仍被画面下边缘裁切；10.5秒首次完整呈现，随后随图案移动，至11.25秒仍完整可见。11.5秒图案移动、旋转后该杯已被画面边缘裁切，因此不纳入。选择10.75秒作为关键帧，此时目标位于画面中央，杯身和吸管清楚完整，容易与邻近食物区分。","start_frame":252,"end_frame":276,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[105.2,879.6,186.5,1000],"positive_points":[[112,990.7],[111.5,974.1],[112.5,953.7],[115.1,931.5],[147.4,902.8],[176.6,893.5]],"negative_points":[[160,950],[75,910],[410,700],[70,650]],"evidence":"目标是中央饮料左下方、从画面底边进入的另一杯饮料，目前仅露出弯折的浅色吸管及深色轮廓。框紧贴这段可见吸管，不推断画外杯身；正点沿吸管竖段、弯处和斜横段分布，负点位于外部红色背景及相邻饮料、薯条上。"}},{"name":"Lower-right drink in meal pattern","description":"A matching lidded drink enters at the lower right beneath the right-hand hamburger, distinct from the central and lower-left drinks.","membership":"Include this cup's body, enclosed beverage, emblem, lid, outlines, and attached straw. Exclude its shadow and adjacent hamburger.","id":"obj_030","temporal":{"status":"found","start_s":10.5,"end_s":11.5,"reference_s":10.75,"evidence":"根据餐点图案的连续移动，追踪最初位于右侧汉堡下方、从右下方进入的饮料杯；随后它移至画面中央及中上部。10.25秒杯身仍被下边界裁切，10.5秒首次完整显示杯身、饮料、徽标、杯盖和吸管；11.25秒为最后完整帧，11.5秒随图案移动至右上方并被右边界裁切。选择10.75秒作为关键帧，此时目标居中、轮廓清晰且无遮挡。","start_frame":252,"end_frame":276,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[855.2,899.1,936.5,1000],"positive_points":[[861.5,985.2],[862.5,963.0],[870.3,944.4],[884.4,932.4],[904.2,925.0],[927.1,915.7]],"negative_points":[[833.3,953.7],[957.3,939.8],[773.4,747.2],[398.4,773.1]],"evidence":"目标是右下角从画面底边伸入的饮料吸管，与中央及左下饮料区分。该杯目前仅吸管可见，边界框紧贴吸管的可见部分，不推测画外杯身。六个正点沿吸管竖段、弯曲处及斜段分布；负点位于外部红色背景、右侧薯条及中央饮料上。"}},{"name":"Foreground service bell","description":"The larger of two service bells sits in the foreground. It has a yellow dome and push button, a golden lower rim, and a charcoal base; short radiating marks briefly indicate ringing.","membership":"Include the dome, top button, golden rim, dark base, and surface highlights. Exclude its cast shadow and the temporary radiating ringing marks.","id":"obj_031","temporal":{"status":"found","start_s":11.75,"end_s":12.5,"reference_s":11.75,"evidence":"目标是两只服务铃中位于前景、尺寸较大的一只，黄色穹顶及按钮、金色下沿、深灰底座和表面高光均完整可见。首个合格帧为11.75秒，最后合格帧为12.25秒；此前11.50秒仍是汉堡和饮料图案，此后12.50秒已切换为红底标志动画，铃消失。选择11.75秒作为关键帧，铃轮廓清晰完整且没有临时放射状响铃线干扰；投影不属于目标。","start_frame":282,"end_frame":300,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[319,338,677,883],"positive_points":[[498,377],[456,572],[565,509],[580,677],[357,752],[516,826]],"negative_points":[[226,791],[831,244],[704,721],[330,490]],"evidence":"目标是画面前景较大的服务铃。边界框紧贴顶部按钮、黄色钟罩、金色下沿和炭黑底座，包含表面高光，不含向左延伸的投影。六个正点分布在按钮、钟罩及高光、金色边沿和底座；负点位于左侧投影、后方小铃及外围红色背景。"}},{"name":"Rear service bell","description":"A smaller matching yellow-and-charcoal service bell sits behind and to the right of the foreground bell.","membership":"Include its dome, push button, rim, base, and painted highlights. Exclude the cast shadow and surrounding background.","id":"obj_032","temporal":{"status":"found","start_s":11.75,"end_s":12.5,"reference_s":12.0,"evidence":"目标是前景大铃后方、右上侧较小的黄色与深灰色服务铃，包含完整按钮、铃 dome（圆顶）、边缘、底座和高光。首个合格帧为11.75秒，最后为12.25秒，期间结构完整。此前11.50秒仍是汉堡、饮料和薯条图案；此后12.50秒已切换为红底标志动画，铃消失。选择12.00秒作为关键帧，后方小铃清晰完整且无遮挡，易与前景大铃区分。","start_frame":282,"end_frame":300,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[706.8,80.6,958.3,481.5],"positive_points":[[833,88],[879,218],[802,261],[895,336],[859,425],[791,418]],"negative_points":[[503,550],[657,436],[977,293],[760,66]],"evidence":"目标是前景铃铛右后方较小的黄色与炭黑色服务铃。边界框紧贴其按钮、穹顶、金色边缘和黑色底座，包含高光但不含投影。六个正点分布在按钮、穹顶及高光、边缘和底座上；四个负点位于前景铃铛、后方铃铛的投影及外围背景。"}},{"name":"McDonald's golden arches logo","description":"The final graphic is a large yellow McDonald's arches symbol centered on a dark-red background, with a small registered-trademark mark beside it.","membership":"Include the two connected yellow arches and the adjacent registered-trademark mark. Follow the open arch shapes, excluding the red spaces beneath and between them, the background, and the watermark.","id":"obj_033","temporal":{"status":"found","start_s":13.0,"end_s":15.0,"reference_s":13.5,"evidence":"目标是深红背景中央的黄色麦当劳双拱门及右侧注册商标符号。12.75秒仅显示尚未完成的单侧拱门；13.00秒双拱门和注册商标标记首次完整呈现，持续至最后采样帧14.75秒，因此区间结束于15.00秒。视频结束后无相邻帧。选���13.50秒作为关键帧，标志完整清晰、无遮挡，便于标注。","start_frame":312,"end_frame":360,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[371.4,315.7,628.2,681.5],"positive_points":[[385.4,648.1],[437.5,328.7],[488.5,527.8],[539.6,329.6],[591.1,648.1],[620.8,657.4]],"negative_points":[[500,231.5],[322.9,518.5],[677.1,518.5],[500,759.3]],"evidence":"目标是暗红背景中央的黄色麦当劳双拱门及其右下方注册商标符号。紧框覆盖双拱门和注册商标；六个正点分布在左右拱顶、两侧拱脚、中央连接笔画及注册商标圆环上。四个负点位于目标外围的红色背景，避开拱门内部空隙和左下角水印。"}}]}
+{"video_id":138,"video_type":"visual design and media animation","targets":[{"name":"Reclining man in striped swim trunks","description":"A white illustrated man reclining with one knee raised, wearing red-and-white striped swim trunks. The view enlarges from a tiny central figure to a close-up as he lifts his sunglasses.","membership":"Include his complete visible body, hair, facial features, swim trunks, and sunglasses while worn or held. Exclude the blue-and-white setting, cast shadow, surrounding white particles, and the passing person's feet.","id":"obj_001","temporal":{"status":"found","start_s":0.0,"end_s":4.5,"reference_s":2.0,"evidence":"目标是单膝抬起、穿红白条纹泳裤的白色仰卧男子，随后抬起墨镜。首个合格帧为0.00秒，中央微小人物已完整出现；视频起点之前无采样帧。放大后的局部特写仍属于同一次呈现，最后合格帧为4.25秒；4.50秒人物向左退出，头部被画面边界裁切。选择2.00秒作关键帧，人物全身、泳裤及墨镜清楚可辨，且没有路过者遮挡。","start_frame":0,"end_frame":108,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[135.4,343.5,655.7,607.4],"positive_points":[[146,536],[334,374],[419,535],[467,425],[544,521],[610,472]],"negative_points":[[400,260],[485,710],[698,564],[747,459]],"evidence":"目标是画面中央仰卧、单膝抬起且穿红白条纹泳裤的白色男子。框覆盖脚部、双腿、泳裤、躯干、抬起的手及头部和太阳镜，不含右侧及身下的投影。六个正点分布在脚、膝、泳裤、手、躯干和头部；负点位于外围蓝色背景、下方白色地面及右侧投影。"}},{"name":"Reclining man's sunglasses","description":"The thin-framed sunglasses initially worn by the reclining man and then lifted above his face in his raised hand.","membership":"Include the glasses' frame, lenses, and arms, including the areas enclosed by the lens frames. Exclude his hand, face, and surrounding background.","id":"obj_002","temporal":{"status":"found","start_s":0.0,"end_s":4.25,"reference_s":3.0,"evidence":"目标是仰躺男子最初戴着、随后用手举到脸上方的细框太阳镜，排除手和脸。首个合格帧为0.00秒，目标随远景人物出现并逐渐放大；最后合格帧为4.00秒，4.25秒时镜架开始被画面上缘裁切。视频起点前无采样帧。选择3.00秒，眼镜已举起，镜框及镜臂轮廓较清楚，便于独立标注。","start_frame":0,"end_frame":102,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[562,196.3,702.6,305.6],"positive_points":[[565.6,228.7],[595.8,212],[633.3,198.1],[582.8,264.8],[607.3,294.4],[685.9,275]],"negative_points":[[644.8,305.6],[741.1,444.4],[578.1,166.7],[703.1,222.2]],"evidence":"眼镜位于男子脸部上方，被举起的手部分遮挡，可见细白色镜框及右侧镜腿。框覆盖这些可见轮廓的完整范围；六个正点分布在上缘、斜下缘和右侧镜腿，负点位于手、脸及眼镜外的深蓝背景，排除人体与周围背景。"}},{"name":"Barefoot diver in a red swimsuit","description":"A figure introduced through white bare legs and red-painted toenails passing the reclining man's head, subsequently shown from overhead at the end of a white diving board and diving into the blue area.","membership":"Include the figure's visible body, hair, red swimsuit, and painted toenails throughout the walking and diving poses. Exclude the board, cast shadow, water, splash effects, and nearby numerals.","id":"obj_003","temporal":{"status":"found","start_s":3.75,"end_s":8.25,"reference_s":7.75,"evidence":"通过经过躺卧男子头旁的白色赤腿、红色趾甲，以及随后俯视下的红泳衣和跳水动作确认同一人物。首个合格帧为3.75秒，腿部已进入画面，身体上部为镜头有意裁切；前一帧3.50秒仅在左缘开始露出腿部。最后合格帧为8.00秒，入水时身体仍可辨认；8.25秒人物已被水花和水面变形效果取代。选7.75秒作为关键帧，人物伸展的身体、头发和红泳衣清楚，且已离开跳板。","start_frame":90,"end_frame":198,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[200,460.2,457.8,535.2],"positive_points":[[242.2,488],[296.9,513],[358.3,500],[379.2,507.4],[420.8,472.2],[416.7,528.7]],"negative_points":[[369.3,370.4],[367.7,609.3],[125,489.8],[262,594.4]],"evidence":"目标是横向伸展、穿红色泳衣的跳水人物，双腿朝左、双臂向右伸出，与白色数字“1”重叠。框覆盖其可见脚尖、双腿、泳衣、头部和双臂，不包含数字。正点分布在双腿、泳衣、头部及两臂上；负点位于上下方数字笔画、左侧跳板和外部蓝色背景。"}},{"name":"“1966” numerals","description":"Large white numerals reading “1966” beside the diving board, subsequently distorted into wavy transition shapes.","membership":"Include the four numeral strokes while they remain recognizable as the text block. Exclude the blue background, diving board, diver, and later independent leaf pattern.","id":"obj_004","temporal":{"status":"found","start_s":7.75,"end_s":8.5,"reference_s":7.75,"evidence":"目标为跳板旁白色“1966”四位数字。7.75秒首次完整进入画面，8.25秒虽已波浪状变形，但仍可辨认为该文字块，是最后合格帧；此前7.50秒末位“6”仍被右边界裁切，之后8.50秒已变成不可辨认的独立波浪形状。选择7.75秒作为关键帧，数字轮廓完整清晰，跳水者遮挡较少。","start_frame":186,"end_frame":204,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[305.7,263.9,977.6,698.1],"positive_points":[[369.8,314.8],[369.8,629.6],[537.5,287],[734.4,311.1],[713.5,666.7],[958.3,490.7]],"negative_points":[[130.2,472.2],[359.4,500],[520.8,759.3],[833.3,203.7]],"evidence":"图中四个大型白色数字仍清晰组成“1966”。边界框紧贴整组数字的可见范围；正点分布在四个数字的白色笔画上，负点位于跳板、遮挡数字的跳水者红色泳衣，以及文字外部的蓝色背景上。"}},{"name":"White palm frond","description":"A long white frond with narrow pointed leaflets arranged along a slender central stem. It is presented prominently on blue before being revealed in a man's hand.","membership":"Include the central stem and all attached leaflets, following their individual outlines and leaving the spaces between them open. Exclude the holder, nearby woman, and blue background.","id":"obj_005","temporal":{"status":"found","start_s":10.5,"end_s":15.5,"reference_s":13.5,"evidence":"目标是蓝底上的白色细长主茎及两侧尖窄叶片，随后镜头揭示它被男子握持。10.5秒首次呈现完成的棕榈叶结构；此前10.25秒叶片仍由折线形态变形成尖叶。最后纳入15.25秒，15.5秒已有叶片脱离原结构并开始变成汽车，故结束。贯穿镜头的局部裁切属于构图。选择13.5秒，主茎、叶片及男子握持关系清楚，便于排除人物和背景。","start_frame":252,"end_frame":372,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[470.8,121.3,726.6,604.6],"positive_points":[[492,172],[553,179],[537,293],[625,394],[718,507],[675,582]],"negative_points":[[260,650],[800,530],[420,450],[640,760]],"evidence":"目标是蓝底上从上方向右下延伸的白色棕榈叶。边界框覆盖可见细茎及全部狭长叶片，止于与右侧人物相接处。正点分布在上、中、下部叶片和中央茎上；负点位于左侧女人、右侧持叶者及叶簇外部的蓝色背景，不标记叶片间隙。"}},{"name":"Woman adjusting her hair","description":"A white illustrated woman seen from behind, with both hands raised to her dark hair, red fingernails, and a dark neckband with two white dots. She appears to the left of the palm-frond holder.","membership":"Include her visible torso, head, hair, arms, hands, fingernails, and neckband. Exclude the adjacent man, palm frond, and background.","id":"obj_006","temporal":{"status":"found","start_s":13.25,"end_s":14.0,"reference_s":13.5,"evidence":"目标是棕榈叶持有者左侧背对观众、双手整理深色头发的白色女子，可见红色指甲及带两个白点的深色颈带。首个合格帧为13.25秒，最后为13.75秒；13.00秒左臂仍被画面左缘裁切，14.00秒头部和手部开始被上缘裁切。躯干下方属于构图中的有意截取。选择13.50秒，女子轮廓和指定细节清楚，与右侧男子易于区分。","start_frame":318,"end_frame":336,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[0,181.5,357,879.6],"positive_points":[[240,750],[66,456],[182,273],[275,292],[247,339],[229,473]],"negative_points":[[817,538],[586,411],[426,632],[168,78]],"evidence":"目标是左侧背对观众、双手抬起整理深色头发的白色女子，可见红指甲和带两个白点的深色颈带。框覆盖其可见头发、头部、双手、手臂及躯干，左侧和底部止于画面裁切处。正点分布在躯干、手臂、双手、头发及颈带；负点位于右侧男子、棕榈叶、外部蓝色背景及顶部白色留白。"}},{"name":"Man holding the palm frond","description":"A white illustrated man on the right, facing the woman adjusting her hair and holding the frond's stem near his waist.","membership":"Include his visible head, hair, facial features, torso, arms, and hands. The held frond is also included as his accessory and is separately identified as a child subject. Exclude the woman and background.","id":"obj_007","temporal":{"status":"found","start_s":13.5,"end_s":13.75,"reference_s":13.5,"evidence":"目标是右侧面向整理头发的女子、在腰旁握住棕榈叶茎的白色男子，包含其所持叶枝。13.50秒为首个及最后一个合格帧：头部和发型完整显现，上身、手臂及握茎的手清楚可见；下身及叶枝的画面裁切属于构图。13.25秒头顶尚被上边界截断，13.75秒镜头再次放大，头顶开始被截断。选择13.50秒作关键帧，人物轮廓及持叶关系最清晰。","start_frame":324,"end_frame":330,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[470.8,121.3,900,879.6],"positive_points":[[812,264],[802,576],[729,789],[800,799],[493,173],[645,525]],"negative_points":[[240,670],[400,330],[940,510],[670,820]],"evidence":"目标是右侧面向女子、在腰部握着棕榈叶茎的白色男子。边界框覆盖其可见头部、躯干、手臂和双手，并包含向左上方伸展的整片棕榈叶。正点分布在面部、躯干、手臂、手及叶片上；负点位于左侧女子和远离目标的蓝色背景。"}},{"name":"White sports coupe","description":"A low white two-door sports car, first appearing as a small silhouette near the frond and later shown in side view with dark windows, red interior accents, circular wheels, and horizontal side vents. It travels along the curving white route.","membership":"Include the entire visible vehicle silhouette, body panels, wheels, windows and their enclosed contents, trim, lights, interior, and visible driver. Exclude the route, surrounding graphics, and background.","id":"obj_008","temporal":{"status":"found","start_s":22.0,"end_s":30.0,"reference_s":22.0,"evidence":"目标为沿白色弯曲路线行驶的白色双门跑车，具有圆形车轮、深色车窗、红色内饰及横向侧通风口。选择后段连续出现：22.00秒首次完整入画，前一帧21.75秒车头仍被右边界裁切；此后持续行驶，29.25秒短暂被人脸图形遮挡，29.50秒重新可见。最后合格帧为29.75秒，视频于30.00秒结束，无后续采样帧。22.00秒整车侧面清晰、无遮挡，适合空间标注。","start_frame":528,"end_frame":720,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[137,368,807,687],"positive_points":[[200,532],[293,600],[443,523],[430,422],[740,515],[675,570]],"negative_points":[[451,266],[454,771],[100,558],[855,526]],"evidence":"图中为侧视白色双门跑车，具有深色车窗、红色内饰、圆形车轮和横向侧通风口。框覆盖整辆可见车辆，包括车身、车窗及内部、灯饰和两只车轮。正点分布于前后车身、车门、车窗及车轮；负点位于车外深蓝背景和下方白色路线，避开车辆边缘。"}},{"name":"Sunglasses-wearing driver","description":"The dark-haired illustrated man inside the white coupe, shown in profile wearing dark sunglasses and a dark shirt, with one arm extended toward the steering wheel. He holds a cigarette near his mouth.","membership":"Include his visible body, hair, facial features, sunglasses, shirt, arms, hands, and cigarette while held. Exclude the car's window frame, red interior panels, steering wheel, and drifting smoke.","id":"obj_009","temporal":{"status":"found","start_s":17.75,"end_s":22.75,"reference_s":19.0,"evidence":"目标是白色轿跑内侧身驾驶的黑发男子，戴深色太阳镜、穿深色上衣，一手前伸，另一手持烟。17.50秒人物仍在揭示中，17.75秒形象完整建立；随镜头拉远持续可见，最后合格帧为22.50秒，22.75秒车窗内已看不到该人物。选择19.00秒作关键帧，此时头部、眼镜、手臂及所持香烟清晰可辨。","start_frame":426,"end_frame":546,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[0,122.2,1000,879.6],"positive_points":[[285,414],[476,301],[364,762],[608,479],[789,808],[537,459]],"negative_points":[[101,425],[804,383],[592,223],[416,61]],"evidence":"目标是画面中戴深色太阳镜、侧脸吸烟的男子。框覆盖其可见头发、面部、墨镜、深色上衣、双臂和手及所持香烟，身体延伸至画面左右边缘。正点分布在头发、墨镜、上衣、抬起的手、伸出的手臂和香烟上；负点位于红色内饰、灰色烟雾及上方白色背景，排除车框和方向盘。"}},{"name":"Driver's cigarette","description":"A slender white cigarette first projecting from the driver's mouth and then held between his raised fingers.","membership":"Include only the cigarette's solid shaft and tip. Exclude the driver's mouth and fingers, and exclude the separate smoke wisps.","id":"obj_010","temporal":{"status":"found","start_s":17.5,"end_s":21.25,"reference_s":19.75,"evidence":"目标是司机嘴边、随后移到抬起手指间的细长白色烟支，不含烟雾。17.50秒烟支的实体结构已完整出现，17.25秒尚未完整显现；最后 qualifying 帧为21.00秒，烟支随画面缩小仍可辨认，21.25秒该处已被遮去，无法看到完整烟支。选择19.75秒作为关键帧，此时烟支握在手中，轮廓清楚且与嘴部、烟雾分离。","start_frame":420,"end_frame":510,"reference_frame":474},"grounding":{"status":"found","bbox_xyxy":[638.0,473.1,689.1,531.5],"positive_points":[[642.2,481.5],[650.0,489.8],[656.3,496.3],[671.4,511.1],[678.6,518.5],[684.9,525.0]],"negative_points":[[705.0,458.0],[744.0,548.0],[502.0,442.0],[615.0,530.0]],"evidence":"目标是司机抬起的手指间向左上方伸出的细白色香烟。边界框紧贴其斜向烟杆及两端；六个正点沿烟杆分布，负点位于手指、嘴部和外部红色背景，排除这些非目标区域。"}},{"name":"Oversized woman's face graphic","description":"A large stylized woman's face emerging around the car's curving route, ultimately recognizable by white eyes with dark pupils and bright red lips against the navy field.","membership":"Include the visible facial silhouette and its associated eye, nose, mouth, and hair-contour shapes. Follow the actual visible contours rather than filling the entire surrounding navy field. Exclude the small car and independent background bands.","id":"obj_011","temporal":{"status":"found","start_s":29.0,"end_s":29.25,"reference_s":29.0,"evidence":"目标是包围小汽车路线的巨幅女性面孔，由白色眼睛、深色瞳孔、红唇及白色鼻部和发际轮廓识别，排除汽车和独立背景条带。29.00秒是首个也是最后一个合格采样帧：双眼及主要面部轮廓已建立，嘴部沿画面下缘呈设计性裁切。此前28.75秒仍在揭示，眼睛被上缘和右缘截断；此后29.25秒面孔左移，左眼开始被左边界截断。选择29.00秒作为关键帧，面部特征最清楚。","start_frame":696,"end_frame":702,"reference_frame":696},"grounding":{"status":"found","bbox_xyxy":[246.9,121.3,1000,879.6],"positive_points":[[298,194],[728,342],[911,166],[850,617],[503,827],[980,827]],"negative_points":[[623,555],[502,68],[498,938],[138,433]],"evidence":"通过两只白色眼睛、深色瞳孔、红唇及右侧脸部轮廓识别人物图形。边框覆盖眼睛、鼻脸白色轮廓、嘴唇和右缘红色发部轮廓；正点分布于这些可见形状，负点位于小汽车、上下独立白带及左侧海军蓝背景，不包含车行道路。"}}]}
+{"video_id":139,"video_type":"visual design and media animation","targets":[{"name":"Blue-green speech bubble","description":"An initially empty rounded speech balloon near the upper center, filled with a turquoise-to-lime gradient and a small downward-pointing tail on the right.","membership":"Include the filled balloon, its dark outline, and its pointed tail. Exclude nearby decorative shapes and other balloons.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":0.25,"evidence":"目标是上方中央带深色轮廓、右下尖尾的青绿至 lime 黄绿色渐变空白气泡。首个合格帧为0.00秒，气泡结构已完整；最后合格帧为3.00秒。3.25秒时气泡向上移出画面，顶部首次被边界裁切，因此不纳入。区间始于视频开头，没有更早的相邻帧。选择0.25秒作为关键帧，此时气泡完整清晰、无遮挡，且附近尚无其他气泡干扰。","start_frame":0,"end_frame":78,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[420.3,227.8,606.3,456.5],"positive_points":[[450,285],[528,287],[584,326],[451,362],[533,394],[539,434]],"negative_points":[[393,330],[625,357],[515,205],[554,481]],"evidence":"目标是画面上方中央的空白圆角气泡，内部由青绿色渐变为黄绿色，右下带尖尾。边界框紧贴气泡填充、深色轮廓及尖尾；六个正点分布在主体各部位和尖尾内，四个负点位于气泡外围的绿色点阵背景上。"}},{"name":"Orange message bubble","description":"An orange-to-yellow shape below the first balloon expands from a rounded blob into a wide speech bubble with pale horizontal message marks.","membership":"Include the entire balloon surface, outline, lower-left tail, and its pale message bars with their dark shadows, including portions extending beyond the balloon. Exclude the overlapping newspaper.","id":"obj_002","temporal":{"status":"found","start_s":1.0,"end_s":3.75,"reference_s":1.25,"evidence":"目标是上方青绿色气泡下的橙黄渐变消息气泡，包含左下尾尖、浅色消息条及黑色阴影，不含重叠的报纸。1.00秒时气泡和向右延伸的消息条已完整呈现；此前0.75秒的消息条仍在展开。最后合格帧为3.50秒，3.75秒气泡开始从画面顶部移出并被裁切。选择1.25秒作为关键帧，目标轮廓和消息条清晰完整，易与报纸区分。","start_frame":24,"end_frame":90,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[325.5,389.8,577.1,613.9],"positive_points":[[349,492],[503,422],[492,554],[384,591],[545,516],[440,451]],"negative_points":[[505,277],[609,704],[295,489],[443,657]],"evidence":"目标是上方青绿色气泡下方的橙黄渐变消息气泡。边框涵���圆润主体、黑色轮廓、左下尾部及向右伸出的浅色消息条和阴影，不包含重叠的报纸。正点分布于气泡表面、尾部和消息条，负点位于上方气泡、右下报纸及外围绿色背景。"}},{"name":"Pink newspaper graphic","description":"A pink news sheet appears below and to the right of the orange bubble, with a purple curled right edge, a yellow picture containing a jagged orange flame, and rows of short text-like strokes.","membership":"Include the sheet, curled edge, outline, picture, and printed strokes. Exclude the orange message bubble, nearby floating marks, and the later white starburst overlay.","id":"obj_003","temporal":{"status":"found","start_s":1.0,"end_s":4.0,"reference_s":1.25,"evidence":"目标是橙色气泡右下方的粉色新闻纸，带紫色卷边、黄色框内的橙色火焰图案及多行短笔画。首个合格帧为1.00秒，纸张结构已完整；前一帧0.75秒尚未出现。最后合格帧为3.75秒，随后4.00秒纸张上部开始被画面上边界裁切。选择1.25秒作为关键帧，纸张轮廓和印刷内容清晰，且尚无后来的白色星芒遮挡。","start_frame":24,"end_frame":96,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[491,520,729,783],"positive_points":[[517,648],[543,748],[655,591],[616,631],[652,716],[719,671]],"negative_points":[[427,500],[514,280],[755,708],[676,435]],"evidence":"目标是橙色消息气泡右下方的粉色报纸。边界框覆盖可见纸张、紫色卷边、黄色火焰插图和印刷短线；正点分布在这些组成部分，负点位于橙色气泡、上方气泡、附近浮动线条及纸张外的绿色背景上。"}},{"name":"Green hashtag label","description":"A mint-green capsule appears beneath the orange bubble, containing pale text-like marks; a large orange hash sign with a black shadow subsequently overlaps its left end.","membership":"Include the capsule and its contents together with the attached hash sign and its shadow as one compact label. Follow their combined outline, leaving the hash sign's open gaps unfilled. Exclude the floating pink dots above it.","id":"obj_004","temporal":{"status":"found","start_s":1.75,"end_s":4.25,"reference_s":2.0,"evidence":"目标是橙色气泡下方的薄荷绿胶囊、内部浅色短线，以及叠在左端的橙色井号和黑色阴影，不含上方粉色圆点。首个完整帧为1.75秒；前一帧1.50秒只有胶囊，井号尚未出现。最后完整帧为4.00秒，4.25秒井号随整体上移开始被画面顶部裁切。选择2.00秒为关键帧，组合轮廓清楚、无遮挡，便于标注。","start_frame":42,"end_frame":102,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[278,656,476,824],"positive_points":[[316,681],[341,713],[300,786],[362,791],[394,770],[460,767]],"negative_points":[[414,676],[432,681],[406,520],[494,819]],"evidence":"目标是橙色气泡下方的薄荷绿胶囊标签及其左端橙色井号。边界框紧贴胶囊、内部浅色标记、井号及黑色阴影的联合外缘。六个正点分布在井号笔画和胶囊表面及内容上；负点位于上方两个粉色圆点、橙色气泡及右侧外部绿背景，不标记井号内部空隙。"}},{"name":"Shopping promotion card","description":"A card beneath the newspaper develops into a yellow shopping graphic with offset orange and white backing sheets, a white bag with a green side, and turquoise sparkles.","membership":"Include the complete stack of card surfaces and boundaries, the printed shopping bag, handles, and turquoise sparkles. Exclude the overlapping white starburst and floating heart symbols.","id":"obj_005","temporal":{"status":"found","start_s":2.5,"end_s":4.5,"reference_s":3.0,"evidence":"目标是报纸下方的购物促销卡：黄色正面、错位橙色与白色底层，以及白色绿侧购物袋和青色闪光；不含叠加的白色爆炸星形及爱心。2.50秒首次完整呈现，前一帧2.25秒仍仅局部展开，卡面和图案尚未揭示完成。最后合格帧为4.25秒，4.50秒卡片已向上离场并被画面边缘裁切。选择3.00秒作为关键帧，卡片层次与购物图案清晰，便于区分需排除的装饰。","start_frame":60,"end_frame":108,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[449,622,658,866],"positive_points":[[455,760],[464,799],[495,693],[567,783],[515,774],[638,835]],"negative_points":[[656,651],[534,525],[689,800],[436,637]],"evidence":"目标是报纸下方的黄色购物宣传卡。框覆盖可见的橙色、白色衬页及黄色卡面，包括购物袋、提手和青绿色闪光。正点分布在各层卡面、购物袋及闪光上；负点位于被排除的白色爆炸星形、上方报纸、左侧绿色标签和右侧背景。"}},{"name":"Envelope graphic","description":"A pale-yellow envelope enters below the shopping card, with diagonal flap lines; it briefly turns to reveal a pink reverse with crossed lines before showing its yellow face again.","membership":"Include the envelope's complete visible faces, edges, outline, and flap markings. Exclude surrounding colored rectangles and hearts.","id":"obj_006","temporal":{"status":"found","start_s":3.25,"end_s":4.75,"reference_s":3.75,"evidence":"目标是购物卡下方带斜向封口线的淡黄色信封，翻转时露出带交叉线的粉色背面。首个合格帧为3.25秒，信封完整可见，翻转不影响纳入；此前3.00秒仍被画面下边界裁切。最后合格帧为4.50秒，4.75秒信封已移出画面。选择3.75秒作为关键帧，黄色正面、轮廓和封口线清晰，无遮挡。","start_frame":78,"end_frame":114,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[300,638,535,763],"positive_points":[[317,672],[410,665],[519,666],[320,737],[418,734],[516,739]],"negative_points":[[278,700],[551,729],[558,548],[560,889]],"evidence":"目标是购物卡下方带对角翻盖线的浅黄色信封。边界框紧贴信封完整可见面及深色外轮廓；六个正点分布于翻盖和下部信封面，负点位于左右绿色背景、上方购物卡和下方蓝色矩形，均不属于信封。"}},{"name":"Large upper red heart","description":"A prominent red heart appears over the right side of the yellow rectangular panel in the scrolling sequence, then grows and moves upward over the mint-green panel.","membership":"Include this heart's red interior and dark outline, following the notch between its lobes. Exclude the panels behind it and other hearts.","id":"obj_007","temporal":{"status":"found","start_s":4.5,"end_s":5.0,"reference_s":4.75,"evidence":"目标是4.50秒出现在黄色矩形右侧的大红心，随后放大并上移至薄荷绿色面板上方，区别于下方蓝色面板上的另一颗红心。首个合格帧为4.50秒，最后为4.75秒；4.25秒尚未出现这颗心，5.00秒它已随向上滚动离开画面。选择4.75秒作为关键帧，心形内部、暗色轮廓及两瓣间凹口完整清晰。","start_frame":108,"end_frame":120,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[439.6,100,571.9,375.9],"positive_points":[[468.8,138.9],[536.5,194.4],[471.4,231.5],[515.6,268.5],[494.8,324.1],[546.9,250]],"negative_points":[[588.5,324.1],[510.4,416.7],[572.9,601.9],[406.3,370.4]],"evidence":"目标是画面上方中央、叠在薄荷绿面板前的完整红心。边界框紧贴其双瓣、凹口两侧及下方尖端的可见外轮廓；正点分布在两瓣和心形主体内，负点位于后方薄荷绿面板、浅黄面板、下方另一颗红心及左侧绿色背景。"}},{"name":"Large lower red heart","description":"A second prominent red heart enters lower in the scrolling sequence over a blue rectangular panel, below the preceding large heart, and enlarges as it moves toward the top.","membership":"Include this heart's red interior and dark outline, preserving its inward notch. Exclude the blue panel and all other heart symbols.","id":"obj_008","temporal":{"status":"found","start_s":4.75,"end_s":5.0,"reference_s":4.75,"evidence":"目标是4.75秒画面下方、蓝色矩形面板上的大红心，位于另一颗大红心下方，具有完整红色内部、深色轮廓和内凹缺口。首末合格帧均为4.75秒；前一帧4.50秒尚未出现这颗下方红心，后一帧5.00秒它已放大上移并被画面顶部裁切。选择4.75秒作为关键帧，因为目标完整清晰，且容易与上方红心区分。","start_frame":114,"end_frame":120,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[491.7,464.8,652.1,769.4],"positive_points":[[527.1,508.3],[608.9,543.5],[521.9,606.5],[623.4,615.7],[571.9,657.4],[560.9,734.3]],"negative_points":[[424,636.1],[645.8,725],[499.5,226.9],[713.5,633.3]],"evidence":"目标是图像下方覆盖蓝色面板的大红心，位于另一颗红心下方。边界框紧贴其红色填充和深色轮廓，包括双瓣、内凹缺口及底部尖端的整体范围。六个正点分布在双瓣、主体和尖端内部；负点位于外围蓝色面板、上方另一颗红心及右侧绿色背景。"}},{"name":"Smartphone","description":"A tall pale smartphone appears centrally with a three-column grid of colorful application tiles and red notification dots. It rotates to show a dark back, then shrinks into the seated person's hand.","membership":"Include the phone body, screen, all application tiles and their symbols, notification badges, earpiece, camera details, side buttons, and visible rear surface. Exclude the person's fingers, surrounding tiled background, and detached graphics from the preceding sequence.","id":"obj_009","temporal":{"status":"found","start_s":7.0,"end_s":10.0,"reference_s":7.75,"evidence":"7.00秒首次出现结构完整的浅色手机，屏幕有三列应用方块及红色通知点；此前6.75秒仅为放大的网格过渡，尚未呈现完整手机。手机随后旋转露出深色背面，并缩小进入坐着的人手中，至最后一帧9.75秒仍可见手指旁的深色机身，局部被手遮挡。区间延伸至视频结束，无后续帧。选择7.75秒作为关键帧，此时机身、应用图标和通知点清晰，无遮挡。","start_frame":168,"end_frame":240,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[377,98,631,908],"positive_points":[[420,143],[577,225],[431,356],[501,500],[568,641],[492,867]],"negative_points":[[327,306],[669,359],[342,813],[667,848]],"evidence":"中央浅色长方形物体是智能手机，屏幕上有三列彩色应用图标及红色通知点。边界框紧贴完整机身，包含屏幕、图标、顶部细节、侧键和右侧可见深色边缘。正点分布在机身表面及不同位置的应用图标上，负点均位于手机外的绿色方格背景。"}},{"name":"Seated phone user","description":"A stylized orange-skinned person wearing a white short-sleeved shirt, blue trousers, a small yellow-and-orange cap, and dark glasses is revealed leaning forward while using the phone on a toilet.","membership":"Include the person's visible head, facial features, cap, glasses, torso, arms, hands, clothing, legs, and footwear. Exclude the held smartphone, toilet, wall clock, room surfaces, and cast shadows on those surfaces.","id":"obj_010","temporal":{"status":"found","start_s":8.75,"end_s":10.0,"reference_s":9.0,"evidence":"目标是坐在马桶上前倾使用手机的橙色皮肤人物，穿白色短袖和蓝裤，戴小帽及眼镜。8.75秒首次完整呈现，最后合格帧为9.75秒；此前8.50秒仍在房间揭示动画中，头帽部分受顶部边缘遮挡。9.00秒人物轮廓清晰，适合作为空间标注关键帧。人物持续出现至视频结束，末尾没有后续采样帧。","start_frame":210,"end_frame":240,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[385.4,275,639.1,808.3],"positive_points":[[600.5,287],[460.4,416.7],[575.5,459.3],[626.6,357.4],[447.4,635.2],[524,738]],"negative_points":[[630,328],[417,774],[654,470],[681,660]],"evidence":"目标是坐在马桶上前倾使用手机的人物，可由橙色皮肤、白色上衣、蓝色长裤及小帽辨认。框覆盖其可见头部、躯干、双臂双手和腿脚；正点分布在帽子、上衣、手臂、手及裤腿上，负点位于手机、马桶、墙钟和墙面，排除这些物体及环境投影。"}},{"name":"Wall clock","description":"A small round clock hangs on the tiled wall to the right of the phone user, with an orange rim, pale face, and black hands that change direction.","membership":"Include the clock's rim, enclosed face, hands, and visible dark edge. Exclude the tiled wall and surrounding shadows.","id":"obj_011","temporal":{"status":"found","start_s":8.25,"end_s":10.0,"reference_s":8.25,"evidence":"目标是手机使用者右侧瓷砖墙上的圆形挂钟，具有橙色外框、浅色表盘、黑色指针和深色侧缘。8.25秒首次完整可见，8.00秒仅见手机背面，尚无挂钟；此后挂钟持续完整出现，最后合格帧为9.75秒，区间延续至视频结束10.00秒，边界外无后续帧。选择8.25秒作为关键帧，因为挂钟较大、轮廓清楚且无遮挡。","start_frame":198,"end_frame":240,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[656,276,716,439],"positive_points":[[686,283],[681,315],[701,341],[661,357],[692,380],[679,419]],"negative_points":[[639,324],[734,356],[682,472],[646,250]],"evidence":"目标是手机使用者右侧瓷砖墙上的小圆钟，具有橙色边框、浅色表盘和黑色指针。边界框紧贴钟的外缘，包含表盘、指针及可见深色侧边；六个正点分布在这些部位，四个负点位于钟外的瓷砖墙上。"}},{"name":"Toilet","description":"A pale mint toilet is revealed beneath the seated person, with a rectangular tank, small flush control, dark seat opening, and rounded bowl and base.","membership":"Include the toilet tank, flush control, seat, bowl, base, outlines, and visible interior. Exclude the seated person's body and clothing, room surfaces, and external cast shadows.","id":"obj_012","temporal":{"status":"found","start_s":8.5,"end_s":10.0,"reference_s":8.75,"evidence":"目标是人物身下的浅薄荷色马桶，可见矩形水箱、冲水按钮、深色座圈内侧及圆弧形便盆和底座。8.50秒首次完整呈现，8.25秒尚被人物遮住，未见可确认的完整结构；最后合格帧为9.75秒，持续至视频结束，边界外无后续帧。选择8.75秒作为关键帧，此时马桶轮廓清晰，水箱、便盆和底座易于区分。","start_frame":204,"end_frame":240,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[360.9,655.6,475.5,809.3],"positive_points":[[374.5,668.5],[375.5,700.9],[399.5,715],[419.8,736.1],[446.4,769.4],[416.7,797.2]],"negative_points":[[451,640],[351,750],[589,687],[319,845]],"evidence":"目标是人物身下的浅薄荷色马桶。边框覆盖可见水箱、冲水按钮、深色座口、座圈、圆润便池及底座；正点分布在这些部件上，负点位于人物裤子、房间墙面、外部投影及黄色背景，排除人物和环境。"}}]}
+{"video_id":140,"video_type":"visual design and media animation","targets":[{"name":"Opening VITA lemon tea carton","description":"The yellow rectangular carton initially displayed alone, with red 維他 and VITA branding, green leaves, and a lemon wheel crossing a brown tea-colored area. It bounces vertically before disappearing behind the large lemon animation.","membership":"Include the entire rectangular package face and all printed lettering, leaves, and lemon artwork. Exclude the surrounding background and the separate large lemon.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0,"evidence":"目标是开场单独出现的黄色维他柠檬茶纸盒，带红色品牌字样、绿叶及跨越棕色茶色区域的柠檬轮图案。首个合格帧为0.00秒，最后为0.75秒；1.00秒纸盒向上运动时顶部已被画面边界裁切，故结束本段。视频起点之前无采样帧。选择0.00秒作为关键帧，纸盒完整、清晰且尺寸较大，无其他物体遮挡。","start_frame":0,"end_frame":24,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[423.4,276.9,576.6,727.8],"positive_points":[[444,296],[485,354],[549,358],[500,496],[473,578],[545,692]],"negative_points":[[378,479],[625,505],[500,219],[505,791]],"evidence":"图像中央的黄色长方形包装印有红色“維他 / VITA”、绿叶及跨越棕色茶区的柠檬轮，与目标一致。边界框紧贴整个包装及底部柠檬图案；六个正点分布在包装上部、品牌字样、绿色区域及下部柠檬与茶色区域，四个负点位于包装四周的黄色背景。"}},{"name":"Large animated lemon with leaf","description":"The oversized yellow lemon that rises from the lower right, opens into a wedge-like mouth beneath the bouncing carton, and moves left. A large pale-green veined leaf is attached to its stem.","membership":"Include the yellow fruit silhouette, attached stem, and entire leaf. Follow the open mouth's concavity, excluding its empty opening, the carton, and the foreground waves that obscure the fruit.","id":"obj_002","temporal":{"status":"found","start_s":3.75,"end_s":4.0,"reference_s":3.75,"evidence":"目标是带浅绿色叶脉大叶和叶柄的巨型黄色柠檬，不包括纸盒及前景波浪。首个及最后一个合格采样帧均为3.75秒，此时果实和附叶的整体造型已完整呈现；前一帧3.50秒仍处于从波浪后升起的未完成显露阶段，后一帧4.00秒已开始下沉并被波浪遮罩移除。选择3.75秒作为关键帧，目标轮廓最清楚、遮挡最少。","start_frame":90,"end_frame":96,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[252.6,111.1,843.2,720.4],"positive_points":[[338.5,324.1],[442.7,185.2],[531.3,555.6],[596.4,203.7],[651,333.3],[776,583.3]],"negative_points":[[156.3,370.4],[729.2,138.9],[494.8,777.8],[901,527.8]],"evidence":"图中巨大的黄色柠檬连接着绿色茎和浅绿色带叶脉的叶片。边界框紧贴果实、茎及整片可见叶子的外缘，不包含遮挡底部的前景波浪。六个正点分布于果实、茎和叶片，四个负点位于外围背景及底部前景波浪。"}},{"name":"Returning VITA carton and upper radial package","description":"The original-style yellow VITA lemon tea carton presented alone again after the wave transition. It rises above the detached lemon emblem, turns into a narrow yellow face, and becomes the upper original-flavor package in the rotating radial display.","membership":"Include the complete rectangular package or panel surface throughout its turns, recoloring, and printed-face reveals, including all printed content. Exclude the detached lemon emblem and the other radial packages.","id":"obj_003","temporal":{"status":"found","start_s":5.5,"end_s":10.5,"reference_s":5.75,"evidence":"目标是波浪转场后再次出现的原味黄色 VITA 纸盒，随后翻转为窄面、变色，并成为放射排列上方的原味包装；不含独立柠檬徽标及其他包装。5.25 秒盒顶仍被波浪遮罩遮住，5.5 秒首次完整呈现。持续追踪至 10.25 秒，目标旋转到左上方且仍完整；10.5 秒已在离场过程中被画面边界裁切，因此最后纳入帧为 10.25 秒。选择 5.75 秒作为关键帧，纸盒单独居中、正面清晰且无遮挡。","start_frame":132,"end_frame":252,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[418.8,298.1,565.1,703.7],"positive_points":[[431,319],[481,383],[547,375],[431,552],[501,583],[539,685]],"negative_points":[[393,449],[596,460],[489,258],[490,750]],"evidence":"图中央独立的黄色维他柠檬茶长方形包装符合目标。边界框紧贴完整包装表面，包含文字、绿叶及印在包装内的柠檬图案；未见独立悬浮的柠檬徽标。正点分布于包装上、中、下部，负点位于包装四周的浅色背景。"}},{"name":"Detached lemon-and-tea emblem","description":"The circular lemon wheel with three dark-green leaves, presented independently beneath the returning carton. Its upper portion is yellow with white segment lines and its lower portion is brown. It remains at the center of the radial package display and later enlarges.","membership":"Include the complete circular wheel, its enclosed segmented design, and all three projecting leaves. Exclude surrounding packages, colored panels, and background.","id":"obj_004","temporal":{"status":"found","start_s":6.25,"end_s":11.5,"reference_s":11.0,"evidence":"目标是上黄下棕、带白色分瓣线和三片深绿叶的独立圆形徽章。6.25秒已在纸盒下方形成完整独立图形，仅部分被纸盒遮挡；此前6.0秒只见纸盒上的印刷图案。它持续位于放射状包装中央并放大，最后合格帧为11.25秒；11.5秒彩色面板开始遮盖移除它。选择11.0秒作关键帧，徽章放大且完整清晰，无周围包装遮挡。","start_frame":150,"end_frame":276,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[299,25,691,831],"positive_points":[[350,231],[486,131],[610,183],[451,346],[395,609],[566,701]],"negative_points":[[215,460],[777,478],[500,916],[717,125]],"evidence":"图中独立徽章由上黄下棕的分瓣柠檬圆轮和三片深绿色叶子组成。边界框紧贴圆轮及全部外伸叶片；六个正点分布在三片叶子、黄色上半轮及棕色下半轮上，四个负点位于徽章外的浅米色背景。"}},{"name":"Upper-left Ceylon-flavor package","description":"One of the six radial panels, initially orange-red and ultimately shown at the upper left as a yellow VITA package with green plantation stripes and a red 錫蘭風味檸檬茶 label.","membership":"Include this individual rectangular panel and its complete printed package face after the reveal. Exclude the central emblem and all neighboring panels.","id":"obj_005","temporal":{"status":"found","start_s":6.75,"end_s":10.75,"reference_s":9.75,"evidence":"目标是六个放射状面板中最终位于左上方、印有绿色茶园条纹及红色「錫蘭風味檸檬茶」标签的独立包装。6.75秒其橙红色矩形面板已完整形成，随后旋转展开并更换为包装图案；6.50秒仅见窄黄色条，尚无该独立橙红面板。最后合格帧为10.50秒，10.75秒包装移出画面并被边界裁切。选择9.75秒作为关键帧，此时左上方包装印刷面完整清晰，与相邻面板容易区分。","start_frame":162,"end_frame":258,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[232.8,179.6,435.4,491.7],"positive_points":[[283.3,248.1],[320.3,279.6],[391.7,343.5],[375,435.2],[288.5,367.6],[347.4,366.7]],"negative_points":[[496.9,481.5],[496.4,138.9],[666.7,287],[224,213]],"evidence":"目标是左上方倾斜的黄色维他包装，带红色「錫蘭風味檸檬茶」标签及绿色茶园条纹。边界框紧贴该矩形包装的四角外缘，包含完整印刷面；六个正点分布在品牌、口味标签、柠檬图案和茶园区域，四个负点位于中央徽标、上方及右上相邻包装和外部背景。"}},{"name":"Upper-right ice lemon tea package","description":"The radial panel that becomes the upper-right yellow VITA 冰爽檸檬茶 package, with blue-and-white ice graphics. Its face is initially cyan.","membership":"Include this individual rectangular panel, its boundary, and all printed contents as it rotates and enlarges. Exclude the central emblem and other packages.","id":"obj_006","temporal":{"status":"found","start_s":6.75,"end_s":10.25,"reference_s":9.75,"evidence":"目标是扇形展开时的青色矩形面板之一，随后转至右上方，并翻成印有 VITA 冰爽檸檬茶及蓝白冰块图案的黄色包装。6.75秒首次可见完整面板结构，虽与其他面板重叠仍属完整对象；此前6.50秒仅见黄色窄面板，目标尚不可见。最后合格帧为10.00秒，10.25秒目标放大移出时已被画面上边缘裁切。选择9.75秒作为关键帧，此时右上方包装清晰完整，且与其他包装分离。","start_frame":162,"end_frame":246,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[567.7,165.7,770,475.9],"positive_points":[[599,333],[622,414],[667,345],[727,299],[714,206],[659,269]],"negative_points":[[498,494],[496,151],[674,661],[803,454]],"evidence":"目标是右上方倾斜的黄色 VITA 冰爽檸檬茶包装，带蓝白冰块图案。边界框紧贴该矩形面板的四个可见顶点，包含边界及全部印刷内容。六个正点分布于包装的文字区、黄色底面和冰块柠檬图案；负点位于中央徽标、上方及右下方其他包装和右侧外部背景。"}},{"name":"Lower-right Ceylon-flavor package","description":"The second orange-red radial panel, revealed at the lower right as a yellow VITA package with green plantation stripes and a red 錫蘭風味檸檬茶 label. It is distinct from the simultaneously visible upper-left copy.","membership":"Include this panel's entire rectangular surface and printed design. Exclude other radial panels and the central emblem.","id":"obj_007","temporal":{"status":"found","start_s":6.75,"end_s":10.75,"reference_s":9.75,"evidence":"目标是径向排列中第二块橙红色矩形面板，随后翻面显示绿色茶园条纹及红色「錫蘭風味檸檬茶」标签，位于右下方，区别于左上副本。6.75秒扇形展开时其完整矩形表面已可见；前一帧6.50���尚无法独立辨认该面板。最后合格帧为10.50秒，旋转移至右上后仍完整可见；10.75秒已在画面边缘被裁切。选择9.75秒作为关键帧，此时右下包装印刷清楚、无遮挡，易与其他面板区分。","start_frame":162,"end_frame":258,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[564.6,508.3,767.7,822.2],"positive_points":[[618.2,550.9],[665.6,606.5],[736.5,682.4],[706.3,772.2],[666.7,708.3],[604.7,659.3]],"negative_points":[[505.2,509.3],[338.5,333.3],[796.9,759.3],[614.6,824.1]],"evidence":"目标是右下方倾斜的黄色维他包装，带绿色茶园条纹及红色「錫蘭風味檸檬茶」标签。边界框紧贴该矩形面板的四个外侧极值，涵盖完整表面和印刷图案。正点分布在条纹、黄色底面、品牌字样、红色标签及柠檬图案上；负点位于中央徽章、左上同款包装及目标外侧背景。"}},{"name":"Lower original lemon tea package","description":"The yellow radial panel beneath the central emblem, revealed as an upside-down original-style VITA lemon tea carton with green leaves and a brown lower section.","membership":"Include the complete individual rectangular panel and all package artwork. Exclude the separate central emblem and the upper original-flavor carton.","id":"obj_008","temporal":{"status":"found","start_s":6.75,"end_s":10.5,"reference_s":9.75,"evidence":"目标是扇形展开的面板中，随后位于中央徽章下方并翻出倒置原味 VITA 包装的黄色矩形。6.75 秒已能辨认该完整面板，虽与其他面板重叠，仍属同一对象；前一帧 6.50 秒仅见尚未分开的窄条，无法独立辨认目标。最后合格帧为 10.25 秒，目标旋转移至右下方但仍完整；10.50 秒已移至画面底部并被边界裁切。选择 9.75 秒为关键帧，此时下方倒置包装清晰完整，且与中央徽章和上方原味包装分离。","start_frame":162,"end_frame":252,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[453.1,685.2,549.5,981.5],"positive_points":[[464,707],[519,732],[500,794],[478,835],[511,918],[529,959]],"negative_points":[[498,513],[494,173],[657,667],[421,895]],"evidence":"目标是中央柠檬徽标正下方倒置的原味维他柠檬茶长方形包装。边界框覆盖完整面板及其棕色区域、柠檬、绿叶和黄色文字区域；六个正点分布在这些包装内容上。负点位于中央独立徽标、上方原味包装、右下其他包装及左侧外部背景。"}},{"name":"Lower-left ice lemon tea package","description":"The second cyan radial panel, revealed at the lower left as a rotated yellow VITA 冰爽檸檬茶 package with blue-and-white ice artwork.","membership":"Include this individual panel's rectangular surface, boundary, lettering, and illustrations. Exclude the upper-right copy and the central emblem.","id":"obj_009","temporal":{"status":"found","start_s":6.75,"end_s":10.25,"reference_s":9.0,"evidence":"通过扇形展开及后续径向排列，追踪第二块青色矩形面板；它随后在左下方变为带蓝白冰块图案的黄色 VITA 冰爽檸檬茶包装。6.75 秒面板已完整建立，虽旋转并与其他面板重叠仍属有效呈现；前一帧 6.50 秒尚无其可辨认的独立表面。最后合格帧为 10.00 秒，10.25 秒该包装向左下移动时已被画面底边裁切。选择 9.00 秒作为关键帧，左下包装完整清晰，且与右上副本及中央徽章分离。","start_frame":162,"end_frame":246,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[231,523,433,834],"positive_points":[[260.4,692.6],[287.5,775],[325.5,721.3],[398.4,656.5],[367.7,574.1],[326.6,643.5]],"negative_points":[[498.4,490.7],[671.9,319.4],[224.5,583.3],[500,861.1]],"evidence":"目标是左下方倾斜的黄色 VITA 冰爽檸檬茶包装，带蓝白冰块插画。边界框紧贴该矩形面板的四个外侧极值，包含表面、文字和插画。六个正点分布在包装各部位；负点位于中央柠檬徽标、右上同款包装、左侧外部背景及下方另一包装上。"}},{"name":"Left-column tea cup, first appearance","description":"The orange-brown handled cup of amber tea first displayed in the cyan column of the three-column ingredient animation. It has a white inner rim and a thin rising steam stroke.","membership":"Include the cup body, handle, rim, tea surface, and visible steam stroke. Exclude the cyan column and other ingredient illustrations; retain only visible portions when clipped.","id":"obj_010","temporal":{"status":"found","start_s":11.75,"end_s":12.75,"reference_s":12.25,"evidence":"目标是青色左栏中首次出现的橙棕色带柄茶杯，包含白色内沿、琥珀色茶面及上升蒸汽。11.75秒已完整呈现，虽尺寸较小仍符合条件；12.50秒为最后完整帧。此前11.50秒只有色栏，尚无茶杯；此后12.75秒茶杯向下退出并开始被遮罩裁切，因此结束此次出现。选择12.25秒作关键帧，杯体、把手、杯沿与蒸汽清晰且无遮挡。","start_frame":282,"end_frame":306,"reference_frame":294},"grounding":{"status":"found","bbox_xyxy":[50.5,398.1,262.5,682.4],"positive_points":[[134.4,648.1],[247.4,516.7],[95.8,430.6],[159.9,516.7],[139.1,436.1],[65.6,582.4]],"negative_points":[[36.5,370.4],[285.4,601.9],[520.8,574.1],[873.4,507.4]],"evidence":"目标是左侧青色栏内盛有琥珀色茶水的橙棕色带柄杯。边界框紧贴杯身、把手、白色杯沿及上方可见蒸汽；六个正点分布于杯身、把手、杯沿、茶面和蒸汽。负点位于杯外青色背景及中、右栏的冰块和柠檬上。"}},{"name":"Center-column ice cubes, first appearance","description":"The compact pair of pale-blue ice cubes initially displayed in the yellow center column, with one cube behind and above the other.","membership":"Include both cubes and their white highlight and facet markings as one compact illustration. Exclude the background and empty space outside their silhouettes.","id":"obj_011","temporal":{"status":"found","start_s":11.75,"end_s":13.25,"reference_s":12.25,"evidence":"目标为黄色中栏内一前一下、一后上一对浅蓝色冰块，包含白色高光与切面线。11.75秒首次完整出现，虽尺寸较小但结构已齐全；13.00秒为最后完整帧。此前11.50秒仅有色块背景，尚无冰块；此后13.25秒冰块已被退出遮罩裁去大部分，仅余底部附近的一小片，并由茶杯替换。选择12.25秒作为关键帧，两块冰块清晰完整、无遮挡，易于标注。","start_frame":282,"end_frame":318,"reference_frame":294},"grounding":{"status":"found","bbox_xyxy":[399,371,582,676],"positive_points":[[445,413],[417,484],[458,492],[524,506],[505,599],[564,577]],"negative_points":[[378,505],[521,402],[617,602],[483,734]],"evidence":"目标是黄色中央栏中前后错置的两块淡蓝色冰块。边界框紧贴两块冰块的整体可见轮廓，包含白色高光及切面标记。六个正点分布在两块冰块的顶面和侧面，四个负点位于轮廓外的黄色背景上。"}},{"name":"Right-column lemon illustration","description":"The yellow whole lemon with an attached green leaf and a round cut lemon face in front, initially displayed in the red column. It remains visible through several vertical shifts and partial clipping.","membership":"Include the whole fruit, attached leaf, and overlapping cut lemon face with its rind and segment details. Exclude the red backing column and unrelated passing icons.","id":"obj_012","temporal":{"status":"found","start_s":11.75,"end_s":13.75,"reference_s":12.25,"evidence":"目标是右侧红色栏中的黄色整柠檬、相连绿叶及前方圆形柠檬切面。11.75秒首次完整呈现，前一帧11.50秒只有色栏，尚无该图案；13.50秒仍完整可见，13.75秒开始向下退出并被遮罩裁切，因此最后纳入帧为13.50秒。选择12.25秒作为关键帧，此时图案较大、轮廓和切面细节清楚且无遮挡。","start_frame":282,"end_frame":330,"reference_frame":294},"grounding":{"status":"found","bbox_xyxy":[740,345,926,662],"positive_points":[[857,377],[850,444],[893,511],[871,584],[776,514],[800,613]],"negative_points":[[833,278],[953,509],[823,727],[521,574]],"evidence":"目标位于右侧红色栏中，由带绿叶的黄色整颗柠檬及前方圆形切面组成。边界框紧贴叶片、果实和切面外缘；六个正点分布在叶片、整果及切面上，负点位于外围红色背景和中栏无关冰块上。"}},{"name":"Left-column lemons, first appearance","description":"A whole lemon with a green leaf and an overlapping cut face enters the cyan column from above as the first tea cup moves down, then becomes fully visible.","membership":"Include the complete compact fruit-and-slice illustration, limited to its visible silhouette when clipped. Exclude the cyan background and departing cup.","id":"obj_013","temporal":{"status":"found","start_s":13.0,"end_s":13.25,"reference_s":13.0,"evidence":"目标是左侧青色栏中带绿叶的整颗柠檬及其前方重叠切面，不包括茶杯。首次及最后一个合格采样帧均为13.00秒，此时果实组合完整可见；前一帧12.75秒仍在从上方揭示，轮廓被遮罩裁切，后一帧13.25秒已被茶杯替换。选择13.00秒作为关键帧，因目标完整清晰且无遮挡。","start_frame":312,"end_frame":318,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[60.9,386.1,244.8,700.9],"positive_points":[[177,418],[173,491],[210,561],[190,624],[91,579],[138,643]],"negative_points":[[66,415],[265,585],[475,265],[862,503]],"evidence":"目标是左侧青色栏内完整可见的柠檬组合。边界框紧贴绿叶、整颗柠檬及前方重叠切片的外轮廓；六个正点分布在这些组成部分上，四个负点位于外围青色背景、中央残留杯体和右栏另一颗柠檬上。"}},{"name":"Center-column tea cup, first appearance","description":"An orange-brown handled cup of amber tea enters the yellow center column above the departing initial ice cubes and is then shown fully.","membership":"Include the cup, handle, white rim, tea surface, and any visible steam. Exclude the yellow background and the separate ice cubes.","id":"obj_014","temporal":{"status":"found","start_s":13.25,"end_s":13.5,"reference_s":13.25,"evidence":"目标是黄色中央栏中首次出现的橙棕色带柄茶杯，含白色杯沿、琥珀色茶水及可见蒸汽。首个及最后一个合格帧均为13.25秒，此时茶杯完整呈现，下方仅余独立冰块的一小部分。前一帧13.00秒茶杯仍在上方被遮罩裁切；后一帧13.50秒中央已换成柠檬，茶杯消失。选择13.25秒作为关键帧，因为杯身和杯柄清晰完整。","start_frame":318,"end_frame":324,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[390,310,603,592],"positive_points":[[399,424],[457,423],[508,485],[469,565],[593,439],[478,348]],"negative_points":[[443,762],[141,562],[615,655],[490,244]],"evidence":"目标是黄色中间栏内完整显示的橙棕色茶杯。边界框紧贴杯身、右侧把手、白色杯沿、茶面及可见蒸汽；正点分布在这些组成部分上。负点位于下方独立冰块、左栏另一只茶杯及杯外黄色背景上。"}},{"name":"Left-column tea cup, second appearance","description":"The cup is presented again in the cyan column after the first lemon illustration has left. It is shown fully before sliding down during the next ingredient change.","membership":"Include this appearance of the cup, handle, rim, tea, and visible steam, following any clipping. Exclude the backing column and incoming lemons.","id":"obj_015","temporal":{"status":"found","start_s":13.25,"end_s":13.5,"reference_s":13.25,"evidence":"目标是左侧青色栏中、首次柠檬图案离开后再次出现的茶杯，包含杯身、杯柄、杯沿、茶水及可见蒸汽。首个及最后一个合格帧均为13.25秒，此时茶杯完整可见，适合作为空间标注关键帧。前一帧13.00秒左栏仍为柠檬；后一帧13.50秒茶杯向下滑动且下部开始被遮罩裁切，因此区间结束于13.50秒。","start_frame":318,"end_frame":324,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[50.5,410,262.5,691],"positive_points":[[138.5,450],[69.8,475],[150,535],[115,660],[255.2,550],[190,625]],"negative_points":[[310,550],[150,770],[475,455],[802,555]],"evidence":"目标是左侧青色栏中完整显示的茶杯。框紧贴杯身、把手、杯沿、茶水及可见白色蒸汽；六个正点分布于这些组成部分，负点位于杯外青色背景、中栏另一只茶杯和右栏柠檬上。"}},{"name":"Left-column lemons, second appearance","description":"The whole-lemon and cut-face illustration enters the cyan column from above again while the second tea cup slides below it.","membership":"Include the visible fruit, attached leaf, and cut face belonging to this returning illustration. Exclude the cup and cyan background.","id":"obj_016","temporal":{"status":"found","start_s":14.5,"end_s":14.75,"reference_s":14.5,"evidence":"目标是左侧青色栏中再次出现的整颗柠檬、叶片及切面，不包括茶杯。14.50秒是本次完整呈现的首帧及末帧；前一帧14.25秒仅露出上方进入的少量黄色果实，茶杯位于下方，后一帧14.75秒柠檬已向下退出并被遮罩裁切。选择14.50秒作关键帧，因为果实、叶片和切面均完整清晰。","start_frame":348,"end_frame":354,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[60.9,361.1,244.3,678.7],"positive_points":[[173,463],[212,539],[184,597],[93,548],[123,625],[183,396]],"negative_points":[[60,430],[266,537],[146,727],[466,336]],"evidence":"目标是左侧青色栏中的整颗柠檬与前方切面组合。边界框紧贴可见果实、上方相连的叶片及切面；六个正点分布在这些部分，负点位于外围青色背景和中栏茶杯上，排除背景与杯子。"}},{"name":"Center-column lemons","description":"The whole lemon, green leaf, and overlapping cut lemon face replace the first center-column tea cup. The illustration is shown fully and then partially clipped during subsequent vertical motion.","membership":"Include the fruit-and-slice illustration and its attached leaf throughout this appearance. Exclude the yellow background and passing cup or ice illustrations.","id":"obj_017","temporal":{"status":"found","start_s":13.5,"end_s":13.75,"reference_s":13.5,"evidence":"目标是黄色中央栏中替换茶杯的整颗柠檬、绿叶及重叠柠檬切面。13.50秒是首个也是最后一个完整呈现的采样帧；前一帧13.25秒中央仍为茶杯，后一帧13.75秒柠檬组合已在向上移动时被遮罩裁切。选择13.50秒作关键帧，因为该组合结构完整且可与两侧图案区分。","start_frame":324,"end_frame":330,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[402,295,584,615],"positive_points":[[522,328],[528,419],[552,502],[429,482],[479,510],[451,571]],"negative_points":[[367,460],[611,473],[798,598],[138,723]],"evidence":"目标位于中央黄色栏，由完整柠檬、上方绿叶和前方重叠的切面组成。边界框紧贴整组插图的可见范围；六个正点分布在绿叶、整果和切面上，负点位于外围黄色背景、右栏柠檬及左栏茶杯上。"}},{"name":"Center-column tea cup, second appearance","description":"A second center-column cup appears low in the yellow column while the lemon illustration is clipped along the top.","membership":"Include the visible cup body, handle, rim, tea surface, and steam belonging to this appearance. Exclude the lemon above and the yellow backing.","id":"obj_019","temporal":{"status":"found","start_s":14.0,"end_s":14.25,"reference_s":14.0,"evidence":"目标是黄色中栏第二次出现的茶杯，包含杯身、杯柄、杯口、茶面及蒸汽。13.75秒时它从下方进入，杯身仍被遮罩裁切，上方柠檬也被裁切；14.0秒茶杯完整呈现，是首个及最后一个合格采样帧。14.25秒茶杯已消失，中栏换为冰块和柠檬。选择14.0秒作为关键帧，目标完整清晰且易于区分。","start_frame":336,"end_frame":342,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[390.6,270.4,603.1,552.8],"positive_points":[[473,287],[399,380],[481,413],[421,492],[493,532],[589,405]],"negative_points":[[469,219],[630,466],[447,744],[185,715]],"evidence":"图中黄色中央栏内唯一可见的茶杯与目标对应。框紧贴杯沿、茶面、杯身及右侧杯柄，未见独立可辨的蒸汽。正点分布在这些杯体部位；负点位于外围黄色背景、下方冰块及左栏柠檬叶片上，排除背景和其他插图。"}},{"name":"Left-column lemons, third appearance","description":"The whole-lemon and cut-face illustration is displayed again in the cyan column after the third tea cup leaves, then becomes clipped near the bottom as ice appears above.","membership":"Include the whole lemon, attached green leaf, and overlapping cut face, following their visible outlines and clipping. Exclude the cyan backing and separate ice illustration.","id":"obj_022","temporal":{"status":"found","start_s":14.5,"end_s":14.75,"reference_s":14.5,"evidence":"目标是左侧青色栏中第三次出现的整颗柠檬、绿叶及重叠切面。首末合格帧均为14.50秒，此时组合轮廓完整可见；前一帧14.25秒仍有茶杯，柠檬仅在上方露出被裁切的细小部分；后一帧14.75秒柠檬已在下方被遮罩裁切，上方出现冰块。选择14.50秒作为关键帧，因为目标完整、清晰且易于区分。","start_frame":348,"end_frame":354,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[61,362,244,677],"positive_points":[[182,395],[166,462],[207,539],[100,529],[83,600],[133,622]],"negative_points":[[42,477],[278,554],[476,323],[451,657]],"evidence":"目标是左侧青色栏中的整颗柠檬、相连绿叶及前方重叠的切面。边界框紧贴三者的可见外轮廓；六个正点分布在叶片、整果和切面上，四个负点位于外围青色背景及中栏独立的茶杯、冰块上。"}},{"name":"Center-column tea cup, third appearance","description":"The cup returns at the top of the yellow center column, then settles into a fully visible central position as the ice pair leaves below.","membership":"Include this cup's body, handle, rim, tea surface, and visible steam. Exclude the departing ice and yellow background.","id":"obj_023","temporal":{"status":"found","start_s":14.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是黄色中栏第三次出现的茶杯，包含杯身、把手、杯沿、茶面及可见蒸汽。14.50秒杯子仍在上方被揭示边界截断，下方冰块正在离开；14.75秒茶杯已完整显示，为首个也是最后一个合格采样帧，故选作关键帧。区间延续至15.00秒视频结束，无后续采样帧可检查。","start_frame":354,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[390.6,508.3,603.1,772.2],"positive_points":[[436,535],[473,646],[479,752],[591,646],[479,551],[404,691]],"negative_points":[[365,600],[570,810],[812,540],[180,344]],"evidence":"目标是黄色中央栏内完整可见的茶杯。边界框覆盖杯身、杯柄、杯沿、茶面及可见蒸汽；六个正点分布在这些部位，负点位于杯外黄色背景及左右栏的冰块上，排除其他物体。"}},{"name":"Right-column ice cubes","description":"The pale-blue pair of ice cubes enters the red column above the departing lemon illustration and becomes fully visible there.","membership":"Include the two overlapping cubes with their white facet and highlight details. Exclude the red backing and the departing lemon.","id":"obj_024","temporal":{"status":"found","start_s":14.0,"end_s":14.25,"reference_s":14.0,"evidence":"目标是右侧红色栏内两块重叠的浅蓝色冰块，带白色切面和高光，不含背景或柠檬。首个及最后一个合格采样帧均为14.00秒，此时两块冰块完整可见；前一帧13.75秒冰块仍被入口遮罩裁切，下方柠檬正在离开；后一帧14.25秒已替换为柠檬。选择14.00秒作为关键帧，因为冰块轮廓完整、清晰且无遮挡。","start_frame":336,"end_frame":342,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[738,418,922,724],"positive_points":[[787,457],[756,523],[797,541],[865,555],[842,646],[902,636]],"negative_points":[[709,526],[945,618],[853,775],[823,351]],"evidence":"目标是右侧红色栏中两块相互重叠的浅蓝色冰块。边界框紧贴两块冰块的完整可见轮廓，包含白色切面和高光；六个正点分布在两块冰块的顶面与侧面，四个负点位于冰块外围的红色背景，未包含离场的柠檬。"}},{"name":"Left-column ice cubes, second appearance","description":"The ice pair returns near the top of the cyan column while the third left-column lemon illustration is clipped below it.","membership":"Include the visible portions of both ice cubes and their facet markings. Exclude the lemon beneath them and the cyan background.","id":"obj_025","temporal":{"status":"found","start_s":14.75,"end_s":15.0,"reference_s":14.75,"evidence":"14.75秒左侧青色栏上部再次出现带刻面的双冰块，下方第三次出现的柠檬被裁切，与目标描述一致；按指定范围包含冰块的可见部分。首末 qualifying 帧均为14.75秒，前一帧14.50秒左栏显示柠檬而非冰块。选择14.75秒作为关键帧，可明确区分冰块与下方柠檬；区间到达视频末尾，没有后续采样帧。","start_frame":354,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[63.5,259.3,241.7,421.3],"positive_points":[[88.5,277.8],[115.6,282.4],[151,305.6],[172.4,365.7],[222.9,326.9],[200,398.1]],"negative_points":[[175.5,711.1],[51.6,356.5],[257.8,332.4],[781.3,500.9]],"evidence":"目标是左侧青色栏上部、柠檬上方的两块冰块。边界框紧贴两块冰块的可见部分，包含浅蓝色表面和切面线条。六个正点分布在前后冰块上；负点位于下方柠檬、外围青色背景及右栏另一组冰块上。"}}]}
+{"video_id":141,"video_type":"visual design and media animation","targets":[{"name":"Segmented circular graphic","description":"Opening central white disc with an orange sector and concentric dark-blue and orange arc segments that rotate and expand.","membership":"Includes the white disc, its enclosed colored sector, and the associated concentric arc segments. Open arcs retain their actual shapes and gaps. Excludes oversized background lettering and surrounding full-scene color fields.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0.5,"evidence":"目标是开场中央白色圆盘、内部橙色扇区及同心深蓝色和橙色开放弧段，不含背景大字和彩色区域。首个合格帧为0.00秒，结构已完整；随后旋转和扇区变化仍属同一图形，最后合格帧为0.75秒。紧邻的1.00秒帧已替换为橙子切片，原图形消失。区间起于视频开头，无更早采样帧。选择0.50秒作为关键帧，圆盘与各弧段清晰、无遮挡，便于区分其轮廓和缺口。","start_frame":0,"end_frame":24,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[318.2,188.9,681.8,823.1],"positive_points":[[500,268.5],[364.6,425.9],[536.5,476.9],[390.6,495.4],[554.7,740.7],[500,810.2]],"negative_points":[[239.6,435.2],[744.8,361.1],[526,898.1],[140.6,750]],"evidence":"目标是画面中央的白色圆盘、盘内橙色扇区及同心橙色和深蓝色弧段。边界框紧贴圆盘顶部和外围蓝弧的左右及底部。六个正点分布于白色盘面、橙色扇区、内蓝弧、橙色弧和外蓝弧；负点位于外围色块背景，避开圆形内部及弧段间隙，不包含巨型背景文字。"}},{"name":"Central whole orange slice","description":"Front-facing citrus cross-section initially presented alone in the center on orange, with a golden rind, cream pith, and eight alternating yellow and orange segments.","membership":"Includes the entire circular slice, its rind, pith, flesh segments, and internal marks. Excludes overlapping slices and surrounding decorative graphics.","id":"obj_002","temporal":{"status":"found","start_s":1.0,"end_s":4.25,"reference_s":1.0,"evidence":"目标为中央正面完整橙片，具有金黄色外皮、乳白色内圈及八瓣黄橙交替的果肉。首个合格帧为1.00秒，此前0.75秒仍是抽象圆环图形；该橙片随后持续保留在中央，最后合格帧为4.00秒。4.25秒白色斜带扩张并遮罩移除橙片，故不纳入。选择1.00秒为关键帧，此时橙片单独呈现、结构清晰，容易与后续其他橙片区分。","start_frame":24,"end_frame":102,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[384,294,616,709],"positive_points":[[500,308],[405,502],[502,392],[550,422],[493,615],[577,626]],"negative_points":[[343,499],[496,777],[646,657],[654,356]],"evidence":"目标是画面中央正面朝向的完整橙子切片，具有金黄色外皮、奶油色白瓤及八瓣交替黄橙色果肉。边界框紧贴整个圆形切片；正点分布在外皮、白瓤及不同果肉瓣上，负点位于切片外的橙色背景和右上方白色装饰图形上。"}},{"name":"Upper-left whole orange slice","description":"Matching eight-segment citrus cross-section cropped by the top and left edges when the orange slices spread across the orange scene.","membership":"Includes the visible portion of this slice, following its circular outer rind, and all enclosed details. Excludes the watermark and neighboring slices.","id":"obj_003","temporal":{"status":"found","start_s":1.5,"end_s":4.5,"reference_s":2.25,"evidence":"目标是橙色场景左上角的八瓣橙子横切片，圆形外皮被画面顶部和左侧有意裁切，不包括水印及邻近切片。首个符合帧为1.50秒，末个为4.25秒；此前1.25秒切片仍在中央下方堆叠，尚未形成该左上角呈现，之后4.50秒已切换为白底蓝色图形场景。选择2.25秒作为关键帧，目标轮廓及内部八瓣结构清晰，且与相邻切片易于区分。","start_frame":36,"end_frame":108,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[0,0,211.5,355.6],"positive_points":[[30,115],[68,30],[113,26],[157,195],[120,268],[37,221]],"negative_points":[[286,186],[115,425],[226,347],[30,481]],"evidence":"目标是左上角被图像顶部和左侧裁切的八瓣橙子切片。边界框紧贴其可见外果皮，覆盖切片内部细节。六个正点分散在不同果瓣上并避开水印；负点位于邻近切片和目标外的橙色背景上。"}},{"name":"Upper-middle whole orange slice","description":"Whole citrus cross-section above and to the left of the central slice, with a cream interior and alternating golden and orange flesh segments.","membership":"Includes this slice's outer rind and complete enclosed interior. Excludes other slices and overlaid decorative rings.","id":"obj_004","temporal":{"status":"found","start_s":1.5,"end_s":4.5,"reference_s":1.75,"evidence":"目标是中央橙片左上方的完整圆形橙片，具有奶油色内圈及金黄、橙色交替的果肉瓣，不含装饰圆环。首个合格帧为1.50秒，最后为4.25秒；1.25秒橙片仍在中央下方重叠展开，目标尚未完整呈现，4.50秒已切换为白底蓝色图形和半片橙子。选择1.75秒作为关键帧，目标轮廓完整清晰，与其他橙片易于区分。","start_frame":36,"end_frame":108,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[213.5,0.9,445.8,413.9],"positive_points":[[330.7,15.7],[251,189.8],[289.6,108.3],[378.1,153.7],[307.8,323.1],[390.1,284.3]],"negative_points":[[91.7,166.7],[500,500],[250,463],[468.8,166.7]],"evidence":"目标是中央切片左上方的完整橙子横切面，具有奶油色内底和金黄、橙色交替的果肉。边界框紧贴该切片外缘，包含外皮及全部内部区域。六个正点分布在外皮和不同方向的内部区域；负点位于左侧及中央的其他切片和目标外的橙色背景。"}},{"name":"Lower whole orange slice","description":"Large citrus cross-section directly below the central slice, partly cropped by the bottom edge in the spread-out arrangement.","membership":"Includes the visible circular slice and all details within its rind. Excludes neighboring slices and surrounding bubbles.","id":"obj_005","temporal":{"status":"found","start_s":1.5,"end_s":4.25,"reference_s":1.75,"evidence":"目标是中央橙片正下方的大圆形橙片，展开后下缘保持画面裁切，属于指定构图。首个合格帧为1.50秒，末个为4.00秒；此前1.25秒橙片仍从底部重叠进入，目标尚处于入画裁切阶段；随后4.25秒扩张的白色斜带开始遮除其右侧。选择1.75秒，橙片可见轮廓和内部纹理清楚，与中央及左上方橙片容易区分。","start_frame":36,"end_frame":102,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[425,709,658,1000],"positive_points":[[539,724],[445,918],[489,840],[585,824],[623,914],[550,983]],"negative_points":[[500,516],[690,947],[397,879],[786,850]],"evidence":"目标是中央完整橙片正下方、被画面底边裁切的大橙片。边界框紧贴其可见外皮并延伸至图像底边，包含皮内全部细节。正点分布在外皮及不同果肉区域；负点位于上方橙片、右侧气泡、左侧橙色背景和右侧白色斜带，均不属于目标。"}},{"name":"Blue ice cube","description":"Translucent-looking cyan ice cube with rounded corners, shaded faces, and bright white highlights, moving down the right side of the orange scene.","membership":"Includes the cube's visible faces, edges, and painted highlights. Excludes nearby crosses, circles, and motion lines.","id":"obj_006","temporal":{"status":"found","start_s":2.25,"end_s":2.75,"reference_s":2.25,"evidence":"目标是橙色场景右侧带圆角、明暗面及白色高光的青蓝色冰块，不包括附近的十字、圆圈和线条。首个完整呈现帧为2.25秒，最后合格帧为2.50秒；前一帧2.00秒冰块仍被画面上边缘裁切，后一帧2.75秒已在移出时被右边缘裁切。选择2.25秒作为关键帧，冰块完整清晰且无遮挡。","start_frame":54,"end_frame":66,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[722.9,63.9,849.5,300.9],"positive_points":[[758,139],[804,102],[824,184],[790,201],[753,247],[811,253]],"negative_points":[[648,52],[870,176],[781,341],[688,318]],"evidence":"目标是右上方带白色高光、圆角和半透明青蓝色面的冰块。边界框紧贴其可见外轮廓，覆盖各面、边缘及高光；六个正点分布在冰块不同部位，四个负点位于外部橙色背景、白色斜带及远离冰块的十字装饰上。"}},{"name":"Upper-left orange half-slice","description":"Semicircular orange graphic first shown alone toward the upper left on white, with its straight cut edge on the right and three flesh sections.","membership":"Includes the complete half-slice, its orange rind, pale inner border, and three enclosed sections. Excludes green emphasis rings and blue lettering behind it.","id":"obj_007","temporal":{"status":"found","start_s":4.5,"end_s":7.75,"reference_s":5.0,"evidence":"目标为白底左上方的橙色半圆切片，右侧为直切边，包含橙色果皮、浅色内缘及三个果肉分区，不含绿色圆环和后方蓝字。4.5秒首次完整出现，随后持续至7.5秒；前一帧4.25秒仍是整圆橙片场景，后一帧7.75秒目标已被绿色转场遮去。选择5.0秒作为关键帧，目标完整清晰、无遮挡，且易与其他切片区分。","start_frame":108,"end_frame":186,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[80.2,94.4,197.4,474.1],"positive_points":[[161.5,108.3],[85.9,267.6],[182.3,457.4],[151.0,192.6],[127.6,282.4],[150.5,379.6]],"negative_points":[[46.9,277.8],[226.6,287.0],[140.6,527.8],[250.0,138.9]],"evidence":"目标是左上方直切边朝右、含三块果肉的橙色半圆切片。边界框紧贴完整切片，覆盖橙色外皮、浅色内边及三块果肉；正点分布于外皮和各果肉区域，负点位于左侧蓝色竖条及切片右侧、下方的外部白色背景。"}},{"name":"Assembling FANTA wordmark","description":"Dark-blue bars on white progressively assemble into the large word “FANTA,” behind the semicircular orange graphics.","membership":"Includes all blue strokes forming this single progressively revealed wordmark. Excludes white negative space, orange half-slices, and green circular effects.","id":"obj_008","temporal":{"status":"found","start_s":7.25,"end_s":7.75,"reference_s":7.5,"evidence":"目标是白底上、橙色半圆切片后方组成“FANTA”的整组深蓝笔画。7.25秒各字母笔画已完整出现，虽仍在调整形态也符合纳入条件；最后合格帧为7.50秒。此前7.00秒仍缺少部分笔画，单词尚未组装完成；此后7.75秒绿色转场开始遮除左侧字母。选择7.50秒作为关键帧，因为完整字形最清晰，便于区分蓝色笔画与橙片、绿色圆环。","start_frame":174,"end_frame":186,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[24.5,159.3,939.6,827.0],"positive_points":[[46.4,537],[226,208],[258,622],[488,521],[746,670],[915,740]],"negative_points":[[155,280],[380,730],[620,730],[500,65]],"evidence":"目标是橙色半片图案后方组成“FANTA”的整组深蓝色笔画。边界框覆盖从左侧F到右侧A的全部可见蓝色笔画；六个正点分布在各字母的实际笔画上，负点位于明确排除的橙色半片及字标上方的外部白色背景。"}},{"name":"Lower-left orange half-slice","description":"Three-section orange semicircle below the first half-slice, overlapping the lower-left portion of the assembling wordmark.","membership":"Includes this half-slice's rind, straight cut edge, inner dividers, and flesh. Excludes the blue wordmark and other half-slices.","id":"obj_009","temporal":{"status":"found","start_s":5.25,"end_s":7.75,"reference_s":5.75,"evidence":"目标是首个半片下方、叠在蓝色字标左下部的三瓣橙色半圆切片，包含果皮、竖直切边及内部隔线。5.25秒首次完整出现，虽仍在移动缩放，但结构已齐全；前一帧5.00秒尚无此切片。最后合格帧为7.50秒，7.75秒左侧绿色转场遮罩已将其覆盖。选择5.75秒作为关键帧，目标完整清晰，与其他半片容易区分。","start_frame":126,"end_frame":186,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[80.2,539.8,197.4,920.4],"positive_points":[[161.5,601.9],[95.8,714.8],[144.8,729.6],[151.6,847.2],[190.6,750],[119.8,861.1]],"negative_points":[[143.2,277.8],[389.1,277.8],[239.6,617.6],[46.9,648.1]],"evidence":"目标是左下方、位于第一片橙子下方的三瓣橙色半切片。边界框紧贴其弧形果皮和右侧直切边，包含果肉与内部分隔线。正点分布在各瓣果肉、果皮及直切边上；负点位于上方另外两片橙子及邻近蓝色字标上。"}},{"name":"Upper center-left orange half-slice","description":"Three-section orange semicircle to the right of the first upper-left half-slice, over the center-left portion of the blue lettering.","membership":"Includes the entire individual semicircular fruit graphic and its internal details. Excludes underlying letters and surrounding green rings.","id":"obj_010","temporal":{"status":"found","start_s":5.25,"end_s":7.75,"reference_s":6.0,"evidence":"目标是首个左上橙子半片右侧、覆盖蓝色字母中左部的三瓣橙色半圆，不包括字母及绿环。5.25秒首次完整出现，虽尺寸较小但结构已完整；此前5.00秒该位置尚无目标。最后合格帧为7.50秒，7.75秒绿色转场遮罩已将其遮去。选择6.00秒作为关键帧，目标轮廓与内部三瓣细节清晰，且无绿环遮挡。","start_frame":126,"end_frame":186,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[320.3,94.4,437.5,474.1],"positive_points":[[408.9,151.9],[371.4,268.5],[401.0,385.2],[333.9,256.5],[377.1,432.4],[427.6,311.1]],"negative_points":[[153.1,278.7],[365.1,584.3],[476.0,277.8],[377.6,57.4]],"evidence":"目标是左上方第一片橙子右侧、覆盖蓝色字母的三瓣橙色半圆。边界框紧贴该独立果片，包含果皮和内部纹理。六个正点分布在三瓣果肉及果皮上；负点位于左侧另一果片、下方蓝色字母以及目标上方和右侧的白色背景。"}},{"name":"Lower center-left orange half-slice","description":"Orange semicircle below the upper center-left slice, introduced as the blue letter shapes continue assembling.","membership":"Includes this individual half-slice's full silhouette and enclosed fruit details. Excludes other slices, blue lettering, and green outlines.","id":"obj_011","temporal":{"status":"found","start_s":6.5,"end_s":7.75,"reference_s":7.0,"evidence":"目标是白底蓝色字形场景中、上方偏左中部半片橙子正下方的独立橙色半圆切片，非最左下方切片。6.50秒首次完整出现，6.25秒该位置尚无切片；最后合格帧为7.50秒，7.75秒绿色转场遮罩已将其覆盖。选择7.00秒作为关键帧，此时轮廓和果肉细节清晰，且无绿色圆环遮挡。","start_frame":156,"end_frame":186,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[320.3,540.7,437.5,920.4],"positive_points":[[338.5,722.2],[368.2,623.1],[408.9,593.5],[417.2,734.3],[372.4,836.1],[424.5,887.0]],"negative_points":[[139.1,725.9],[380.2,296.3],[365.6,509.3],[467.7,746.3]],"evidence":"目标是画面下方偏左中部、位于上方中间橙片正下方的独立橙色半片。边界框紧贴其完整外轮廓，包含果皮和内部果肉细节。六个正点分布于该橙片的上、中、下部；负点分别位于左下另一橙片、上方橙片、蓝色字形和右侧外部白色背景。"}},{"name":"Upper center-right orange half-slice","description":"Orange semicircle above the center-right of the wordmark, overlapping the left side of the developing “T” area.","membership":"Includes the rind, pale dividers, and flesh within this half-slice's outline. Excludes the wordmark and circular emphasis effects.","id":"obj_012","temporal":{"status":"found","start_s":6.5,"end_s":7.75,"reference_s":7.0,"evidence":"目标是字标中右上方、覆盖正在形成的“T”左侧的橙色半圆切片，包含果皮、浅色分隔线和果肉，不含绿色圆环。首个完整帧为6.50秒，6.25秒该位置尚无切片；最后合格帧为7.50秒，7.75秒绿色转场及瓶盖开始遮盖并移除目标。选择7.00秒作为关键帧，此时切片轮廓完整、无遮挡，且无圆环干扰。","start_frame":156,"end_frame":186,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[550,93.5,667.7,474.1],"positive_points":[[635.4,152.8],[588.5,217.6],[572.9,296.3],[609.4,347.2],[640.6,413.9],[659.4,291.7]],"negative_points":[[708.3,250],[583.3,601.9],[385.4,277.8],[526,240.7]],"evidence":"目标是图中上方偏右、覆盖蓝色“T”区域左侧的橙色半片。边界框紧贴该半片的完整外轮廓，包含橙皮、浅色分隔线和果肉。正点分布于这些组成部分；负点位于邻近蓝色字形、左侧另一橙片及外部白色背景，均不属于目标。"}},{"name":"Lower center-right orange half-slice","description":"Orange semicircle positioned below the upper center-right slice in the completed two-row fruit arrangement.","membership":"Includes this half-slice alone, following its curved rind and straight cut edge, with all enclosed details. Excludes neighboring fruit and lettering.","id":"obj_013","temporal":{"status":"found","start_s":7.25,"end_s":7.75,"reference_s":7.25,"evidence":"目标是两排水果排列中下排从左数第三个橙子半片，位于上排中右半片正下方。7.25秒首次完整出现，7.50秒仍完整可见；前一帧7.00秒该位置尚无半片，后一帧7.75秒绿色转场及瓶盖开始遮去目标左侧，故结束于7.75秒。选择7.25秒为关键帧，其弧形果皮、直切边及内部纹理清楚，且没有7.50秒的绿色圆环干扰。","start_frame":174,"end_frame":186,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[539.1,507.4,675,948.1],"positive_points":[[633.9,561.1],[581.8,622.2],[562.5,727.8],[601.6,833.3],[657.8,896.3],[660.9,725.9]],"negative_points":[[612.5,324.1],[835.4,730.6],[508.9,714.8],[692.2,866.7]],"evidence":"目标是下排从左数第三个、位于上排中右橙片正下方的橙色半圆片。边界框紧贴其弧形果皮和右侧直切边，包含全部内部纹理。六个正点分布在该片的上部、弧边、中部及下部；负点位于上方和右侧其他橙片、左侧蓝色字形及右侧外部白色背景。"}},{"name":"Upper-right orange half-slice","description":"Rightmost upper orange semicircle, placed over the final portion of the large blue “FANTA” wordmark.","membership":"Includes this individual fruit graphic's complete outline and interior. Excludes blue text and green rings.","id":"obj_014","temporal":{"status":"found","start_s":7.25,"end_s":8.0,"reference_s":7.25,"evidence":"目标是蓝色“FANTA”末端上方、最右侧的橙色半圆切片，不包含文字和绿环。7.25秒首次出现完整轮廓及内部纹理，7.75秒仍完整可见；前一帧7.00秒该位置尚无切片，后一帧8.00秒绿色转场及瓶盖已开始遮除目标。选择7.25秒作为关键帧，目标完整清晰，且没有绿环遮挡。","start_frame":174,"end_frame":192,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[767.7,61.1,903.1,501.9],"positive_points":[[883.9,97.2],[825.5,147.2],[787.5,268.5],[829.2,314.8],[854.2,428.7],[892.7,467.6]],"negative_points":[[840.6,713.0],[738.0,250.0],[937.5,277.8],[620.8,277.8]],"evidence":"目标是上排最右侧、覆盖蓝色“FANTA”末端的橙子半片。边界框紧贴该果片完整外轮廓，包含果皮和内部果肉。六个正点分布在其上部、左侧、中部及下部；负点位于下方另一果片、左侧蓝色文字、右侧白色背景及相邻上排果片上。"}},{"name":"Lower-right orange half-slice","description":"Rightmost lower orange semicircle beneath the upper-right slice, overlapping the final blue letter.","membership":"Includes the complete individual half-slice and its internal rind and segment details. Excludes adjacent graphics and emphasis outlines.","id":"obj_015","temporal":{"status":"found","start_s":7.25,"end_s":8.0,"reference_s":7.25,"evidence":"目标是最右列下方、位于右上半片橙子下方并覆盖末尾蓝色字母的独立橙色半圆切片。7.25秒首次完整出现，7.75秒为最后完整可见帧；此前7.00秒尚无该切片，之后8.00秒绿色转场及瓶盖开始遮盖移除它。选择7.25秒作为关键帧，切片轮廓、果皮和内部纹理完整清楚，且无绿色强调圆环干扰。","start_frame":174,"end_frame":192,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[767.2,507.4,903.6,948.1],"positive_points":[[843.8,601.9],[807.3,722.2],[854.2,867.6],[786.5,648.1],[890.6,740.7],[880.2,925]],"negative_points":[[833.3,324.1],[625,740.7],[911.5,601.9],[937.5,879.6]],"evidence":"目标为最右下方、位于右上橙片下方并遮住末尾蓝色字母的独立半圆橙片。边界框紧贴整片外缘，包含果皮及内部瓣纹。六个正点分布于上、中、下果肉及果皮；负点位于右上橙片、左侧另一橙片、旁边蓝色字母和右侧白色背景。"}},{"name":"Upper green Fanta bottle cap","description":"Top cap in a vertical column of three green crown caps sweeping across the fruit-and-wordmark scene; its face bears white stylized “Fanta” lettering.","membership":"Includes the cap face, serrated outer rim, shading, and printed lettering. Excludes the green transition bands behind it and the other caps.","id":"obj_016","temporal":{"status":"found","start_s":7.75,"end_s":8.25,"reference_s":7.75,"evidence":"目标是三枚竖排绿色皇冠瓶盖中的最上方一枚，带白色 Fanta 字样、锯齿外缘和阴影。首个合格帧为7.75秒，最后为8.00秒；顶部轻微裁切属于该竖排构图。前一帧7.50秒尚无瓶盖，后一帧8.25秒目标向右退出并被画面边缘明显裁切。选择7.75秒作关键帧，瓶盖位于画面中部，轮廓及字样清楚，易与下方两枚区分。","start_frame":186,"end_frame":198,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[387.5,0,595.8,377.8],"positive_points":[[430.7,134.3],[496.9,83.3],[531.3,209.3],[483.3,291.7],[418.8,261.1],[558.9,108.3]],"negative_points":[[338.5,185.2],[484.4,546.3],[484.4,888.9],[621.9,351.9]],"evidence":"目标是竖排三个绿色皇冠瓶盖中最上方、印有白色 Fanta 字样的瓶盖。边框紧贴其可见盖面、阴影和锯齿外缘，上缘止于图像边界。六个正点分布于盖面及印字区域；负点位于左侧绿色背景、下方另外两个瓶盖和右侧橙片上。"}},{"name":"Middle green Fanta bottle cap","description":"Middle cap in the moving vertical column, with a bright green face, toothed rim, and white stylized “Fanta” lettering.","membership":"Includes this cap's complete visible face, crown rim, shading, and lettering. Excludes the caps above and below and the background color bands.","id":"obj_017","temporal":{"status":"found","start_s":7.75,"end_s":8.25,"reference_s":7.75,"evidence":"目标是移动竖列中居中的绿色瓶盖，具有齿状冠边、明暗层次和白色 Fanta 字样，不包括上下两个瓶盖。首个合格帧为7.75秒，末个为8.00秒，两帧中该瓶盖均完整可见。前邻帧7.50秒尚未出现瓶盖；后邻帧8.25秒中目标向右离场并被画面边界裁切。选择7.75秒作为关键帧，目标位于画面中部，轮廓和字样清晰，便于与上下瓶盖区分。","start_frame":186,"end_frame":198,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[387.5,348.1,595.3,727],"positive_points":[[416.7,523.1],[445.3,421.3],[520.8,458.3],[546.9,557.4],[491.1,647.2],[433.9,632.4]],"negative_points":[[487,185.2],[484.4,856.5],[338.5,537],[625,648.1]],"evidence":"目标是竖直排列的三个绿色瓶盖中的中间一个，具有白色 Fanta 字样和齿状冠边。框覆盖该瓶盖可见的绿色面、齿缘、阴影及文字；六个正点分布在盖面不同部位，负点分别位于上方瓶盖、下方瓶盖、左侧绿色背景及右侧橙片上。"}},{"name":"Lower green Fanta bottle cap","description":"Bottom cap in the moving column, partially cropped by the lower edge, matching the two green branded caps above it.","membership":"Includes the visible portion of this cap, its serrated boundary, face, shading, and printed lettering. Excludes adjacent caps and transition bands.","id":"obj_018","temporal":{"status":"found","start_s":7.75,"end_s":8.25,"reference_s":7.75,"evidence":"目标是移动竖列最下方的绿色芬达瓶盖，可见锯齿边缘、阴影和白色标识；下缘裁切符合目标指定的构图。首个合格帧为7.75秒，最后为8.00秒。前一帧7.50秒尚无瓶盖；后一帧8.25秒目标向右离场，已被右边界裁切。选择7.75秒为关键帧，瓶盖横向轮廓完整，与上方瓶盖易于区分。","start_frame":186,"end_frame":198,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[387,696,595,1000],"positive_points":[[433,830],[479,748],[532,809],[501,916],[562,941],[432,970]],"negative_points":[[479,567],[625,822],[338,862],[647,955]],"evidence":"目标是竖列最下方、被画面底边裁切的绿色芬达瓶盖。框覆盖其可见齿状边缘、盖面、阴影及白色字样，下界贴合图像底边。正点分散在该盖面和印字上；负点位于上方另一瓶盖、右侧橙片及外围绿色和白色背景，排除相邻对象与过渡色带。"}},{"name":"Color-changing FANTA bottle","description":"White-outlined soft-drink bottle entering horizontally from the left, with its neck pointing left and a blue-and-white “FANTA” label with a green leaf. Its body changes from orange through pink, purple, yellow-green, yellow, and red before returning to orange and rotating upright.","membership":"Includes the bottle's complete silhouette, white outline, neck and cap shape, body, label borders, and enclosed brand graphic. Excludes the long colored stream attached at the neck and the striped background.","id":"obj_019","temporal":{"status":"found","start_s":10.5,"end_s":14.5,"reference_s":10.75,"evidence":"目标为白色描边、带蓝白 FANTA 标签和绿叶的变色饮料瓶，不包括瓶口连接的长彩色流带。首个完整呈现帧为10.50秒，前一帧10.25秒瓶颈仍被左侧画面边界裁切；此后瓶身变色但保持连续身份。最后合格帧为14.25秒，下一帧14.50秒瓶子旋转时底部已被画面下边界裁切。选择10.75秒作关键帧，瓶子轮廓、瓶颈和标签完整清晰，无遮挡。","start_frame":252,"end_frame":348,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[485.4,400.9,784.9,567.6],"positive_points":[[501.6,483.3],[545.8,480.6],[604.7,478.7],[663,482.4],[749,449],[746.4,537]],"negative_points":[[406.3,481.5],[599,685.2],[833.3,481.5],[625,324.1]],"evidence":"目标是画面中部偏右、瓶颈朝左的白边橙色FANTA瓶，带蓝白品牌标志和绿叶。框覆盖瓶盖、瓶颈、完整瓶身、白色轮廓及标签，不包含左侧长色流。正点分布在瓶盖、肩部、标签和瓶身各处；负点位于左侧色流及瓶外上方、下方和右侧背景。"}},{"name":"Color-changing liquid ribbon","description":"Long flowing ribbon attached to the bottle's neck, extending offscreen to the left and later upward as the bottle rotates. It has a white outer edge, orange bordering layers, and a center that changes color with the bottle.","membership":"Includes the entire visible flowing ribbon, its colored layers, and white outer boundary, ending where it meets the bottle neck. Excludes the bottle itself and the background stripes.","id":"obj_020","temporal":{"status":"found","start_s":10.5,"end_s":15.0,"reference_s":11.0,"evidence":"目标是连接瓶颈的流动液体 ribbon，具有白色外缘、橙色边层和随瓶身变色的中心，不含瓶身。10.50秒首次完整呈现其可见结构；此前10.25秒只有从左侧进入的瓶身，尚未见该飘带。飘带向左延伸出画属于设计性裁切，随后随瓶子旋转向上延伸，至最后采样帧14.75秒仍持续存在，因此区间结束于15.00秒，视频末尾无后续帧。选择11.00秒作为关键帧，因白边、橙色层及粉色中心清晰，且与瓶颈的连接界限易辨��","start_frame":252,"end_frame":360,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[0,251,562,715],"positive_points":[[48,295],[96,492],[239,437],[387,506],[519,482],[240,617]],"negative_points":[[684,479],[260,185],[313,787],[583,324]],"evidence":"目标是从右侧瓶颈向左延伸并出画的流动带状物。框覆盖其粉色中心、橙色边层和白色外缘，止于瓶颈，不含瓶身。六个正点分布在飘带不同段的中心及橙色层；负点位于瓶身和飘带外的背景色条上。"}}]}
+{"video_id":142,"video_type":"visual design and media animation","targets":[{"name":"Central animated disc","description":"The opening central graphic, assembled from overlapping green, peach, red, and purple circular sectors. It becomes a solid purple disc that repeatedly changes size.","membership":"Include the filled disc and its attached circular sectors throughout the animation. Exclude detached outline flashes, the yellow background, and the surrounding border decorations.","id":"obj_001","temporal":{"status":"found","start_s":0.25,"end_s":3.5,"reference_s":2.0,"evidence":"目标是画面中央由绿、桃、红、紫色圆盘及相连扇形变化而成的图形，不含外围装饰和游离轮廓圈。0.25秒已出现完整的小圆盘及附着扇形，前一帧0秒中央为空；随后保留其变色、缩放阶段。最后符合条件的是3.25秒，3.5秒圆盘边缘开始出现镂空缺口，进入消解，故不纳入。选择2秒作为关键帧，此时紫色实心圆盘轮廓清楚且无遮挡。","start_frame":6,"end_frame":84,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[437,382.4,569.3,617.6],"positive_points":[[486,414],[537,448],[550,515],[519,584],[472,553],[453,483]],"negative_points":[[400,501],[608,490],[503,325],[503,697]],"evidence":"图像中央的实心紫色圆盘与目标描述一致，边界框紧贴圆盘的可见外缘。六个正点分布在圆盘内部不同部位；四个负点位于圆盘四周的黄色背景上，不包含上下边框装饰。"}},{"name":"Ornamental scroll medallion","description":"A large central ornament appearing after the disc, composed of layered green, peach, and red curling scrollwork. It rotates behind the cream-colored titles.","membership":"Include the colored scrollwork, following its curled outlines and external concavities. Include areas enclosed by closed loops; do not fill open gaps between separate curls. Exclude overlaid lettering, purple title backings, and the separate top and bottom petal decorations.","id":"obj_002","temporal":{"status":"found","start_s":4.5,"end_s":8.25,"reference_s":6.0,"evidence":"目标是中央由绿色、桃色及红色卷曲纹样叠成、在奶油色标题后旋转的装饰章，不含文字、紫色底板及上下花瓣。4.25秒红色外层仍呈圆形裁切的展开状态，4.50秒各层卷纹已完整建立；最后合格帧为8.00秒，8.25秒卷纹已消失并切换为横线画面。选择6.00秒作为关键帧，此时没有标题和紫色底板遮挡，彩色卷纹轮廓较易辨认。","start_frame":108,"end_frame":198,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[173.4,0,831.3,1000],"positive_points":[[360,355],[645,674],[231,527],[739,494],[280,65],[712,959]],"negative_points":[[500,69],[500,939],[104,509],[885,519]],"evidence":"目标是画面中央由绿色、桃色和红色卷曲纹样叠成的大型纹章。边界框覆盖全部可见卷草，顶部和底部按图像边缘截断，不包含两侧边饰。六个正点分布在三种颜色的卷草实体上；负点位于独立的上下花瓣装饰及左右外部背景，排除花瓣，不将卷草之间的开放空隙填入目标。"}},{"name":"“河” title character","description":"Large cream-colored, pixel-style “河” on the left of the first title, initially over the scroll ornament and subsequently over a purple square with orange floral artwork.","membership":"Include only the character's cream-colored strokes, including its detached strokes. Exclude the purple backing, orange artwork, and underlying ornament.","id":"obj_003","temporal":{"status":"found","start_s":3.75,"end_s":5.25,"reference_s":4.5,"evidence":"目标是首组标题左侧奶油色像素风“河”字，包含分离的笔画，不含背景装饰。3.75秒字形已完整出现，随后由卷纹背景转为紫色方块衬底，至5.00秒仍完整可见。前一帧3.50秒只有中央紫色圆形，尚无该字；后一帧5.25秒标题已被其他文字替换。选择4.50秒作为关键帧，字形清晰完整，与紫色背景对比鲜明。","start_frame":90,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[104.2,225.9,449.5,774.1],"positive_points":[[122.9,279.6],[167.2,473.1],[138.5,717.6],[372.4,273.1],[295.8,431.5],[396.9,666.7]],"negative_points":[[260,200],[245,797],[490,500],[730,600]],"evidence":"目标是左侧紫色方块上的奶油色像素体“河”。边界框覆盖其全部笔画及分离笔画；六个正点分布于左侧三段笔画、上横、内部笔画和右侧竖钩。负点位于字外的紫色底、橙色花纹、中央底纹及右侧另一标题字上。"}},{"name":"“南” title character","description":"Large cream-colored, pixel-style “南” on the right of the first title, later displayed over a purple square with orange floral artwork.","membership":"Include only the character's cream-colored strokes. Exclude the purple backing, orange artwork, and underlying ornament.","id":"obj_004","temporal":{"status":"found","start_s":3.75,"end_s":5.25,"reference_s":4.75,"evidence":"目标是首个标题右侧奶油色像素风“南”字，仅计其文字笔画。3.75秒首次完整呈现，至5.00秒仍完整可见；前一帧3.50秒只有中央紫色圆形，后一帧5.25秒标题已被替换，“南”字消失。选择4.75秒为关键帧，字形清晰完整，与紫色底板及橙色花纹易于区分。","start_frame":90,"end_frame":126,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[595.8,163.9,883.3,838.0],"positive_points":[[726,199],[646,419],[615,592],[733,612],[860,606],[813,800]],"negative_points":[[568,278],[874,265],[942,500],[404,556]],"evidence":"目标为右侧紫色方块上的大型奶油色像素风“南”字。边界框紧贴其全部可见笔画；六个正点分布于顶部、横向、左侧、中部、右侧及底部笔画。负点位于字外的紫色底板、橙色花纹、外围背景和左侧另一字符上，不标记字内空隙。"}},{"name":"Compact two-character central title","description":"The cream-colored pixel-style title that replaces the widely separated first title. Its two characters form a compact central block over the rotating scroll ornament.","membership":"Include the cream-colored strokes of both characters as one text block. Exclude the surrounding scrollwork and all backing graphics.","id":"obj_005","temporal":{"status":"found","start_s":5.25,"end_s":6.0,"reference_s":5.5,"evidence":"目标是旋转卷草纹中央紧凑排列的奶油色像素风双字，仅包括文字笔画。5.25秒时文字已完整呈现，随后放大，最后一个符合条件的帧为5.75秒。前一帧5.00秒仍是左右分开的首组标题；后一帧6.00秒中央文字已消失，仅余装饰。选择5.50秒作为关键帧，双字较大且笔画清晰，便于排除周围卷草纹。","start_frame":126,"end_frame":144,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[331.8,219.4,653.1,798.1],"positive_points":[[444,321],[418,432],[395,693],[562,241],[606,510],[512,775]],"negative_points":[[250,450],[738,513],[420,194],[580,880]],"evidence":"图像中央可见由两个奶油色像素风字符组成的紧凑标题。边界框覆盖两字全部可见笔画；六个正点分布于两字的上、中、下部笔画，四个负点位于标题外的卷纹及背景装饰上，不包含字间空隙。"}},{"name":"Single-character central title","description":"A tall cream-colored pixel-style character appearing centrally after the compact two-character title, directly over the layered scroll ornament.","membership":"Include only the cream-colored character strokes. Exclude the colored ornament and surrounding decorations.","id":"obj_006","temporal":{"status":"found","start_s":6.5,"end_s":7.0,"reference_s":6.5,"evidence":"目标是紧凑双字标题之后、叠层卷云纹饰中央出现的纵长奶油色像素单字，仅计入文字笔画。首个完整呈现帧为6.50秒，最后一个为6.75秒；相邻的6.25秒尚无该字，7.00秒该字已消失，仅余彩色纹饰。选择6.50秒作为关键帧，字形完整清晰，无遮挡。","start_frame":156,"end_frame":168,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[400.5,226.9,652.6,795.4],"positive_points":[[438,296],[551,249],[412,445],[471,578],[413,771],[639,670]],"negative_points":[[307,461],[705,511],[501,72],[501,930]],"evidence":"目标是画面中央覆盖多层卷纹的高大奶油色像素风单字。边框紧贴该字全部可见笔画；六个正点分布在上部、左右中段及底部笔画上，四个负点位于字外两侧卷纹和上下彩色花瓣装饰上。"}},{"name":"Cream title over purple medallion","description":"The subsequent cream-colored pixel-style title displayed over a purple backing that expands from a narrow rounded shape into a large circle with orange floral artwork.","membership":"Include only the cream-colored lettering throughout this appearance. Exclude the purple medallion, its orange artwork, and the scroll ornament behind it.","id":"obj_007","temporal":{"status":"found","start_s":7.25,"end_s":8.25,"reference_s":7.5,"evidence":"目标为紫色底衬由窄圆角形扩展为圆形时出现的奶油色像素标题，仅计文字。7.25秒文字已完整呈现，至8.00秒仍完整可见；前一帧7.00秒只有卷曲纹饰，没有该标题，后一帧8.25秒标题已消失并切换为横线画面。选择7.50秒作为关键帧，文字清晰完整，与紫色圆形底衬对比鲜明，便于单独标注。","start_frame":174,"end_frame":198,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[361.5,179.6,670.8,756.5],"positive_points":[[400,281.5],[436,546.3],[401,716.7],[573,200.9],[565.1,340.7],[655.2,634.3]],"negative_points":[[504.2,797.2],[338.5,490.7],[750,539.8],[786.5,875.9]],"evidence":"目标为紫色圆形底板上叠加的奶油色像素风标题。边界框覆盖全部奶油色字形及字间间隔；六个正点分布在左右、上下的实际笔画上。负点分别位于框外的紫色底板、橙色花纹、卷曲装饰及浅黄色背景，均不属于标题。"}},{"name":"Yellow-flower panel","description":"The leftmost of four upright floral panels. It has a muted purple rounded border, a pale green interior, outlined flowers, and a vertical sequence of large yellow blossoms and small buds.","membership":"Include the rounded panel's surface, border, and contents, plus the yellow blossoms and buds belonging to it where they extend beyond the border. Exclude the neighboring panels and scene decorations.","id":"obj_008","temporal":{"status":"found","start_s":8.5,"end_s":13.0,"reference_s":12.0,"evidence":"目标为四联花卉面板最左侧的淡绿色、灰紫色圆角边框面板，包含其黄色花朵和花苞。8.50秒边框和表面已完整出现，虽纵向压缩但属于完整面板的缩放；之后内部花纹逐步增加不推迟容器起点。前一帧8.25秒仅有横向过渡线，尚无该面板。最后合格帧为12.75秒，13.00秒已被中央蓝色面板替换。选择12.00秒作关键帧，面板及边框外花朵清晰，与邻近面板易于区分。","start_frame":204,"end_frame":312,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[52.1,99.1,244.8,905.6],"positive_points":[[125,163],[58,463],[214,324],[141,499],[192,672],[140,815]],"negative_points":[[32,509],[265,650],[370,510],[500,944]],"evidence":"目标是最左侧紫色圆角边框、浅绿色底面的花卉面板。框包含面板表面、边框及花朵花苞，并覆盖向上和向下伸出边框的黄色大花。正点分布于顶部、中部和底部黄花、紫色边框及绿色内部；负点位于外侧背景、右邻面板和底部独立装饰上。"}},{"name":"Rose-pattern panel","description":"The second floral panel from the left, with a red rounded border and peach interior. It contains red and orange rose motifs, small pale rings, and green leaf clusters.","membership":"Include the panel's surface, rounded boundary, rose motifs, rings, and associated leaves, including leaves projecting beyond its edge. Exclude adjacent panels.","id":"obj_009","temporal":{"status":"found","start_s":9.5,"end_s":13.0,"reference_s":12.0,"evidence":"目标是左起第二块红色圆角边框、桃色底面的花卉面板，随后出现玫瑰纹样、浅色圆环及伸出边缘的绿叶。9.5秒面板表面和完整边界已建立，虽仍在缩放，仍符合纳入条件；9.25秒尚未出现。最后符合帧为12.75秒，13.0秒已被中央蓝色面板替换。选择12.0秒作关键帧，面板及附属花叶清楚完整，易与相邻面板区分。","start_frame":228,"end_frame":312,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[286.5,174.1,483.9,832.4],"positive_points":[[350,187],[360,280],[300,498],[432,561],[461,242],[451,790]],"negative_points":[[219,500],[537,500],[385,116],[385,877]],"evidence":"目标是左起第二个红色圆角边框、桃色底的玫瑰花纹面板。边界框覆盖面板表面、玫瑰、小圆环及伸出边缘的绿色叶簇。正点分布于红框、玫瑰和各处叶簇；负点位于左右相邻面板及目标上下的外部背景。"}},{"name":"Orange foliage and dark floral panel","description":"The third floral panel from the left, with a blue rounded border and red interior. Orange ornamental foliage fills its upper and lower ends while dark curling flower silhouettes develop through the middle.","membership":"Include the blue border, red surface, and all orange and dark floral artwork belonging to the panel, including projecting tips. Exclude neighboring panels and the separate border decorations.","id":"obj_010","temporal":{"status":"found","start_s":10.0,"end_s":13.0,"reference_s":12.0,"evidence":"目标是左起第三块蓝色圆角边框、红色底面的花卉面板，上下为橙色枝叶，中间为深色卷曲花纹。10.00秒面板的边框和底面已完整建立，虽呈压扁状态，后续伸展及内部花纹生成不影响容器成立；此前9.75秒尚无该面板。最后合格帧为12.75秒，13.00秒已被中央纯蓝面板替换。选择12.00秒作为关键帧，目标完整清晰，花纹充分显现且与相邻面板易于区分。","start_frame":240,"end_frame":312,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[520.8,174.1,713.5,826.9],"positive_points":[[531,226],[574,228],[545,420],[606,475],[707,505],[631,773]],"negative_points":[[428,528],[834,495],[501,502],[646,861]],"evidence":"目标是从左数第三块蓝色圆角边框、红色底面的花卉面板。边界框覆盖完整蓝框、红色表面及上下橙色枝叶和中央深色卷曲花纹，包括伸出的尖端。正点分布在边框、底面��两类花纹上；负点位于左右相邻面板、左侧间隔和面板下方背景，避开独立装饰。"}},{"name":"Pale-green flower panel","description":"The rightmost floral panel, with a golden-yellow rounded border and purple interior. Yellow ornamental flowers occupy its ends, and blue curling stems support pale-green blossoms.","membership":"Include the panel's rounded boundary, interior, yellow end ornaments, blue stems, and pale-green flowers. Include associated petals extending beyond the border; exclude neighboring panels.","id":"obj_011","temporal":{"status":"found","start_s":10.75,"end_s":13.0,"reference_s":12.0,"evidence":"目标是最右侧金黄色圆角边框、紫色内底的花卉面板，内部随后出现黄色端饰、蓝色卷曲花茎和淡绿色花朵。10.75秒面板自身的边界与表面已完整建立，后续伸展及内部花饰显现不延迟容器起点；前一帧10.50秒尚无该面板。最后符合条件的是12.75秒，13.00秒已被中央蓝色面板替换。选择12.00秒作关键帧，花饰清晰完整，与邻近面板容易区分。","start_frame":258,"end_frame":312,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[754.7,174.1,948.4,827.8],"positive_points":[[775.5,190.7],[852.1,230.6],[882.3,371.3],[809.4,493.5],[864.6,551.9],[850,758.3]],"negative_points":[[692.7,509.3],[731.8,481.5],[968.8,500],[843.8,886.1]],"evidence":"目标为最右侧金黄色圆角边框、紫色内底的花卉面板，具有蓝色卷曲花茎和浅绿色花朵。边界框覆盖完整边框、内部及两端黄色装饰。正点分布在边框、上下面饰、浅绿花朵和紫色内部；负点位于左邻面板、面板间隙及目标右侧和下方背景。"}},{"name":"“二七塔” landmark panel","description":"The left panel in the final three-panel layout. Its dark teal rounded surface carries vertical blue “二七塔” lettering, pale rose outlines, and an orange-and-yellow tiered tower rising from the bottom.","membership":"Include the rounded panel surface, boundary, lettering, and floral contents, together with the tower illustration belonging to it, including roof tips extending beyond the panel. Exclude the surrounding blue field and outer scene frame.","id":"obj_012","temporal":{"status":"found","start_s":13.25,"end_s":15.0,"reference_s":14.75,"evidence":"目标是最终三栏布局左侧的深青色圆角面板，随后出现竖排蓝色“二七塔”、浅色花卉线稿及橙黄色塔楼。13.25秒面板表面和圆角边界已建立，虽与中间面板略有重叠，仍可辨认；此前13.00秒仅有中央蓝色面板。内部文字、花纹及塔楼的后续显现不延迟面板起点。最后合格帧为14.75秒，目标仍在，区间延至15.00秒视频结束，无后续采样帧。选择14.75秒作为关键帧，因面板及所属塔楼、伸出的屋檐最清楚。","start_frame":318,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[63.5,136.1,319.8,865.7],"positive_points":[[208,176],[136,241],[281,483],[82,623],[149,754],[302,830]],"negative_points":[[83,350],[351,479],[501,742],[221,104]],"evidence":"目标为左侧带蓝色竖排“二七塔”文字、浅色花纹和橙黄色塔楼的深青色圆角面板。框覆盖完整面板及向左伸出的塔楼檐角。正点分布于面板表面、花纹、文字和塔楼；负点位于面板外的蓝色背景及中间面板的独立图案上。"}},{"name":"“九龙鼎” landmark panel","description":"The middle panel in the final layout. It has a very dark green rounded surface, vertical blue “九龙鼎” lettering, and an orange vessel illustration with a dragon-like relief emerging from the bottom.","membership":"Include the panel's surface, rounded boundary, lettering, and orange vessel illustration. Exclude adjacent panels, the surrounding blue field, and the outer frame.","id":"obj_013","temporal":{"status":"found","start_s":13.25,"end_s":15.0,"reference_s":14.75,"evidence":"目标是最终布局中央的深绿色圆角面板，随后出现竖排蓝色“九龙鼎”文字及底部橙色龙纹器物。13.25秒面板表面和完整圆角边界已建立，内部文字与器物的后续显现不延迟面板起点；前一帧13.00秒仅见蓝色面板，目标深绿色面板尚未出现。最后合格帧为14.75秒，目标持续至视频结束15.00秒，之后无采样帧。选择14.75秒作为关键帧，此时文字和器物最清楚，且与左右面板易于区分。","start_frame":318,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[393.8,136.1,605.7,866.7],"positive_points":[[424.5,231.5],[589.1,388.9],[550,184.3],[491.7,472.2],[454.2,638],[545.8,797.2]],"negative_points":[[296.9,370.4],[786.5,648.1],[359.4,500],[963.5,463]],"evidence":"目标为中央深绿色圆角“九龙鼎”面板，蓝色竖排文字及底部带龙纹浮雕的橙色器物与描述一致。边界框覆盖面板可见表面、圆角边界、文字和器物。正点分布于深绿表面、蓝色字形和橙色器物；负点位于左右相邻面板、外围蓝色背景及外框。"}},{"name":"Rightmost landmark panel","description":"The right panel in the final layout, distinguished by a muted purple rounded surface, vertical blue Chinese lettering, large outlined flowers, and a yellow-orange vessel or architectural form rising from its lower edge.","membership":"Include the rounded panel surface, boundary, lettering, outlined floral motifs, and lower yellow-orange illustration. Exclude the surrounding blue field, neighboring panels, and outer scene frame.","id":"obj_014","temporal":{"status":"found","start_s":13.25,"end_s":15.0,"reference_s":14.75,"evidence":"目标是最终三栏布局最右侧的暗紫色圆角面板，后续出现竖排蓝色汉字、线描花卉及底部黄橙色器物。13.25秒面板表面与圆角边界已完整建立，内部图文的后续添加不延迟面板起点；前一帧13.00秒仅有中央蓝色面板，目标尚未出现。最后合格帧为14.75秒，目标仍完整可见，视频于15.00秒结束，无后续采样帧。选择14.75秒作为关键帧，因面板及其辨识性装饰最清楚。","start_frame":318,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[679.7,135.2,913.5,866.7],"positive_points":[[833,191],[762,251],[808,478],[709,645],[722,820],[835,803]],"negative_points":[[640,475],[931,493],[504,548],[965,901]],"evidence":"目标为最右侧带蓝色竖排汉字、花卉线描及底部黄橙色造型的紫色圆角面板。框覆盖面板及向右伸出的底部插图；正点分布于面板表面、文字、花纹和底部造型，负点位于周围蓝色区域、中间面板及外框。"}}]}
+{"video_id":143,"video_type":"visual design and media animation","targets":[{"name":"ABC newspaper","description":"The foreground newspaper initially centered in the scene, headed “ABC,” with narrow article columns and several small illustrations. It slides downward to reveal another newspaper.","membership":"Include the complete visible sheet, its edges, heading, article marks, and inset illustrations. Exclude the newspaper beneath it, the circular light patch, and subtitles.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是前景标题为“ABC”、带窄文章栏和小插图的报纸，不含下层报纸。首个及最后一个合格采样帧均为0.00秒，此时纸张结构已完整呈现；0.25秒时它向下滑动，底部已被画面边界裁切，露出下层“NEWS”报纸，因此不再纳入。区间到达视频起点，无更早帧。选择0.00秒作为关键帧，目标轮廓和版面最清楚。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[290,164,633,871],"positive_points":[[438,238],[391,390],[552,444],[380,544],[361,718],[563,772]],"negative_points":[[307,558],[676,521],[502,903],[651,142]],"evidence":"目标是前景顶部写有“ABC”的报纸。边界框覆盖其完整可见纸面、边缘、文章栏和插图；正点分布于标题、左右文章及插图区域，负点位于下层报纸、圆形光斑、底部字幕和上方遮挡物，均不属于目标。"}},{"name":"Opening subtitle","description":"The bottom-centered Chinese text “人们无法选择眼前呈现的内容” accompanying the newspaper sequence.","membership":"Include the complete subtitle lettering and its outline. Exclude the newspaper and background.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0.5,"evidence":"目标为报纸画面底部居中的完整字幕“人们无法选择眼前呈现的内容”及其描边。首个合格帧为0.00秒，最后为1.00秒；1.25秒帧中该字幕已消失。区间起于视频开头，无更早采样帧。选择0.50秒作为关键帧，字幕完整清晰、无遮挡，便于标注。","start_frame":0,"end_frame":30,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[280.7,873.1,719.3,932.4],"positive_points":[[296.9,888.0],[365.1,884.3],[457.3,907.4],[566.1,898.1],[625.0,904.6],[703.6,921.3]],"negative_points":[[260.4,900.0],[734.4,900.0],[500.0,953.7],[500.0,842.6]],"evidence":"底部居中的“人们无法选择眼前呈现的内容”与目标一致。边界框覆盖整行字幕及其描边；六个正点分布在不同汉字的笔画上，四个负点位于字幕左右、下方背景及上方报纸区域，避开字幕内部间隙。"}},{"name":"NEWS newspaper","description":"The newspaper revealed beneath the ABC sheet, headed “NEWS,” with a diamond illustration toward the upper left and a wooded landscape illustration at the lower right.","membership":"Include the entire newspaper surface and boundary, heading, article columns, and illustrated insets. Exclude overlapping sheets, subtitles, and the surrounding light patch.","id":"obj_003","temporal":{"status":"found","start_s":0.5,"end_s":2.5,"reference_s":1.25,"evidence":"目标为标题“NEWS”、左上钻石插图及右下树林插图的整张报纸。首个合格帧为0.50秒，此时报纸已完整揭露；前一帧0.25秒仍被正在移��的ABC纸张遮住下部。最后合格帧为2.25秒，随后2.50秒报纸向画面下方离开并被边界裁切。选择1.25秒作关键帧，报纸边界和内部图文清楚，且无字幕遮挡。","start_frame":12,"end_frame":60,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[275,119,639,877],"positive_points":[[421,202],[395,424],[561,391],[337,741],[442,650],[540,748]],"negative_points":[[219,426],[693,519],[453,926],[670,129]],"evidence":"根据“NEWS”标题、左上方钻石插图和右下方林地插图，确定中央梯形报纸为目标。边界框紧贴报纸可见外缘；六个正点分布于标题、文章栏和两幅插图，负点位于周围浅色光斑及右上方遮挡纸张上，排除这些非目标区域。"}},{"name":"如今 subtitle","description":"The short bottom-centered subtitle “如今,” appearing as the newspaper scene transitions toward the computer.","membership":"Include only the subtitle lettering and its outline, excluding adjacent graphics and background.","id":"obj_004","temporal":{"status":"found","start_s":1.75,"end_s":2.75,"reference_s":2.0,"evidence":"目标为画面底部居中的“如今”字幕及其描边，首个完整出现帧为1.75秒，最后符合帧为2.50秒。前一帧1.50秒无该字幕；后一帧2.75秒已替换为“信息技术提供了更全面的专业知识”。选择2.00秒为关键帧，字幕完整清晰，与背景图形易于区分。","start_frame":42,"end_frame":66,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[465.6,872.2,534.4,931.5],"positive_points":[[477.6,890.7],[472.4,915.7],[493.2,905.6],[511.5,888.9],[521.4,903.7],[517.7,920.4]],"negative_points":[[451.0,902.8],[547.4,902.8],[500.0,851.9],[500.0,956.5]],"evidence":"目标是画面底部居中的“如今”字幕。边界框紧贴两个字及其描边；六个正点分布在两字的实际笔画上，四个负点位于字幕左、右、上、下的外部背景。"}},{"name":"Main computer monitor","description":"The large cream-framed monitor introduced above the newspaper and subsequently positioned behind the seated viewer. Its dark display develops a browser-like information page, and a small camera-like module sits on top.","membership":"Include the monitor frame, enclosed display and all page contents, top-mounted module, bezel controls, and visible supports. Exclude the person in front, foreground furniture, surrounding information cards, and subtitles.","id":"obj_005","temporal":{"status":"found","start_s":2.75,"end_s":10.0,"reference_s":2.75,"evidence":"目标是报纸上方出现、随后位于人物身后的大型奶油色边框显示器，包含顶部摄像头状模块、屏幕、边框按钮及可见支架。2.50秒时显示器仍被画面上边界裁切；2.75秒首次完整建立，之后屏幕内容变化及人物遮挡不影响连续性。最后合格帧为9.75秒，显示器仍在场，仅局部被信息卡遮挡；区间延续至视频结束10.00秒，无后续帧。选择2.75秒作为关键帧，此时显示器轮廓清楚，周围尚无信息卡干扰，遮挡较少。","start_frame":66,"end_frame":240,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[217.7,14.8,782,654],"positive_points":[[496,28],[230,337],[769,444],[338,365],[650,338],[709,611]],"negative_points":[[500,324],[497,534],[625,796],[833,398]],"evidence":"目标是坐在人像后方的大型奶油色边框显示器。框覆盖显示器边框、可见屏幕及页面、顶部摄像头状模块、右下角控制键和底部可见支撑。正点分布在顶部模块、两侧边框、左右屏幕和控制区；负点位于明确排除的人物头颈、前景家具及右侧外部背景。"}},{"name":"Seated computer viewer","description":"The outlined black figure seen from behind in front of the main monitor, with short rounded hair and a raised collar. The figure turns its head and later extends its right arm toward a cartoon information card.","membership":"Include the person's complete visible silhouette, head, neck, clothing, and any visible arm and hand, following the changing outline. Exclude the monitor, selected card, and foreground furniture.","id":"obj_006","temporal":{"status":"found","start_s":2.75,"end_s":10.0,"reference_s":8.75,"evidence":"目标是主显示器前背对观众的黑色描边人物，具有圆短发、颈部和竖起的衣领，随后转头并伸出右臂。首个合格帧为2.75秒，头、颈、衣领及露出家具的肩部轮廓已完整建立；前一帧2.50秒尚未出现该人物。最后合格帧为9.75秒，人物仍连续存在，下身被前景家具遮挡不属于退出；区间到达视频末尾，无后续帧。选择8.75秒作为关键帧，人物及伸向右侧卡片的手臂、手指轮廓清楚，便于排除显示器、卡片和家具。","start_frame":66,"end_frame":240,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[393,323,771,675],"positive_points":[[493,417],[500,544],[494,600],[539,647],[689,540],[744,460]],"negative_points":[[359,465],[791,438],[504,763],[573,325]],"evidence":"目标��主显示器前背对观众、右臂伸向卡片的人物。边界框覆盖圆形短发、头颈、翻领上衣、右臂及指向卡片的手指，止于前景家具遮挡处。正点分布于头、颈、衣领、躯干、手臂和手；负点位于显示器、卡片、前景家具及人物外部背景。"}},{"name":"Information-technology subtitle","description":"The bottom-centered text “信息技术提供了更全面的专业知识” accompanying the appearance of the computer and surrounding information displays.","membership":"Include the complete subtitle text and its outline. Exclude the graphics and furniture behind it.","id":"obj_007","temporal":{"status":"found","start_s":2.75,"end_s":6.0,"reference_s":4.0,"evidence":"目标为底部居中的完整字幕“信息技术提供了更全面的专业知识”及其描边，首次完整出现于2.75秒，最后 qualifying 帧为5.75秒。前一帧2.50秒显示“如今”，后一帧6.00秒该字幕已消失。选择4.00秒作为关键帧，字幕完整清晰、无遮挡，便于标注。","start_frame":66,"end_frame":144,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[246.4,872.2,753.6,932.4],"positive_points":[[266.7,922.2],[296.4,883.3],[364.6,903.7],[497.4,881.5],[567.2,881.5],[742.7,918.5]],"negative_points":[[208.3,902.8],[500,842.6],[572.9,963],[786.5,903.7]],"evidence":"目标是画面底部居中的字幕“信息技术提供了更全面的专业知识”。边界框覆盖整行文字及描边；六个正点分散在不同汉字的笔画上，四个负点位于字幕外侧及上下方的家具背景上，不包含文字内部空隙。"}},{"name":"Personal-thought-space subtitle","description":"The bottom-centered text “和更自我的思想空间,” presented while the view pulls back from the computer and its surrounding cards.","membership":"Include only the complete subtitle lettering and outline, excluding surrounding panels and graphics.","id":"obj_008","temporal":{"status":"found","start_s":6.25,"end_s":8.25,"reference_s":7.5,"evidence":"目标为底部居中的完整字幕“和更自我的思想空间”，包含文字及描边。首次完整出现于6.25秒，最后一个符合条件的帧为8.00秒；相邻的6.00秒和8.25秒帧均未显示该字幕。选择7.50秒作为关键帧，字幕清晰完整、无遮挡，易与周围面板和图形区分。","start_frame":150,"end_frame":198,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[348.4,873.1,650.5,931.5],"positive_points":[[374.0,903.7],[400.0,881.5],[424.0,904.6],[526.0,886.1],[601.0,921.3],[625.5,908.3]],"negative_points":[[325.5,903.7],[671.9,902.8],[500.0,963.0],[500.0,797.2]],"evidence":"目标是画面底部居中的字幕“和更自我的思想空间”。边界框紧贴整行文字及其描边；六个正点分布在不同汉字的笔画上，负点位于字幕左右、下方背景及上方桌面图形，均避开字幕。"}},{"name":"Selected cartoon information card","description":"The cream-bordered card to the right of the main monitor in the settled layout, above a video card. It contains a rounded dark cartoon creature with two triangular projections, a white circular eye, a curved mouth, and surrounding text-like marks. The viewer points at it before it enlarges into the foreground.","membership":"Include the complete card boundary and enclosed surface, cartoon figure, text-like marks, and small graphic elements. Preserve the same whole-card extent as it enlarges. Exclude the pointing hand, neighboring cards, main monitor, and subtitles.","id":"obj_009","temporal":{"status":"found","start_s":5.0,"end_s":10.0,"reference_s":8.25,"evidence":"目标是主显示器右侧、视频卡上方的奶油色边框卡片，随后出现双尖角圆身卡通形象，并被指向后放大。5.00秒卡片边界和表面已完整进入画面，内部图文随后生成不影响容器起点；前一帧4.75秒该卡仍在画面顶部被裁切。最后合格帧为9.75秒，放大后的整张卡片仍完整可见；区间到达视频末尾，无后续帧。选择8.25秒作为关键帧，此时布局稳定、图文清晰，且没有指向手遮挡。","start_frame":120,"end_frame":240,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[700,340.7,840.6,490],"positive_points":[[713,360],[733,402],[791,412],[790,457],[829,424],[724,480]],"negative_points":[[772,234],[771,574],[666,413],[870,419]],"evidence":"目标是主显示器右侧、视频卡片上方的奶油色边框信息卡，内有双尖角圆头卡通形象。边界框覆盖整张卡片及其边框；正点分布于卡片表面、文字状标记、角色和边框，负点位于上方汉堡卡、下方视频卡、左侧主显示器及右侧外部背景。"}},{"name":"Habitual-choice subtitle","description":"The bottom-centered text “人们习惯性选择,” appearing during the pointing action and enlargement of the cartoon card.","membership":"Include the entire subtitle lettering and outline. Exclude the selected card and other scene graphics.","id":"obj_010","temporal":{"status":"found","start_s":8.75,"end_s":10.0,"reference_s":9.0,"evidence":"目标是底部居中的完整字幕“人们习惯性选择”，包括文字及描边。8.50秒尚无该字幕，8.75秒首次完整出现，持续至最后采样帧9.75秒，故区间结束于视频末尾10.0秒；末尾之后没有采样帧。选择9.00秒作为关键帧，字幕完整清晰、无遮挡，与上方卡片及其他图形容易区分。","start_frame":210,"end_frame":240,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[381.8,872.2,618.2,932.4],"positive_points":[[397.9,881.5],[425,907.4],[475,900.9],[490.6,894.4],[568.2,902.8],[595.8,909.3]],"negative_points":[[359.4,902.8],[640.6,902.8],[500,961.1],[500,740.7]],"evidence":"目标是画面底部居中的字幕“人们习惯性选择”。边界框紧贴整段字幕的字形及描边；六个正点分布于不同汉字的笔画上，负点位于字幕左右、下方背景及上方场景图形，排除卡片等其他内容。"}}]}
+{"video_id":144,"video_type":"visual design and media animation","targets":[{"name":"Opening warning banner","description":"Central coral-red, yellow-bordered title banner reading “如何识别防范冒充公检法诈骗？”, with a yellow warning triangle at its left.","membership":"Include the rounded banner's surface, border, warning triangle, exclamation mark, and title text. Exclude the blue background and surrounding decorative shapes.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0.5,"evidence":"目标为中央珊瑚红底、黄色圆角边框的警示横幅，包含左侧黄色三角感叹号及完整标题“如何识别防范冒充公检法诈骗？”。首个合格帧为0.00秒，已完整呈现；最后合格帧为1.00秒。视频起点前无采样帧，紧邻的1.25秒帧已切换为警察讲解场景，横幅消失。选择0.50秒为关键帧，横幅结构与文字清晰且无遮挡。","start_frame":0,"end_frame":30,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[188.6,415.7,794.2,608.3],"positive_points":[[209.9,451.9],[251.1,505.6],[367.0,511.1],[516.1,513.0],[739.7,484.3],[642.2,594.4]],"negative_points":[[171.4,507.4],[814.2,504.6],[495.4,360.2],[487.4,654.6]],"evidence":"目标是画面中央写有“如何识别防范冒充公检法诈骗？”的珊瑚红色圆角警示横幅。边界框紧贴横幅外侧黄色边框，包含底色、左侧警告三角形及感叹号和全部标题文字。正点分布于横幅表面、图标、文字和边框，负点位于横幅四周的蓝色背景，避开横幅内容。"}},{"name":"Police presenter","description":"Cartoon officer in a dark blue uniform and peaked cap, initially at the right, gesturing toward the presentation board.","membership":"Include the complete officer, including cap, uniform insignia, hands, trousers, and shoes. Exclude the board, subtitles, furniture, and foreground foliage.","id":"obj_002","temporal":{"status":"found","start_s":1.25,"end_s":8.25,"reference_s":7.5,"evidence":"目标为画面右侧戴深蓝色大檐帽、穿警服并抬手指向展示板的卡通警员。1.25秒首次完整呈现，前一帧1.00秒仅有标题画面；8.00秒为最后合格帧，8.25秒警员开始随场景淡出。选择7.50秒作为关键帧，警帽、手、制服、裤腿及鞋子清晰，遮挡较少。","start_frame":30,"end_frame":198,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[663,205,859,936],"positive_points":[[793,241],[795,337],[681,391],[839,551],[775,777],[766,918]],"negative_points":[[571,540],[907,495],[896,902],[733,720]],"evidence":"目标是展示板右侧戴大檐帽、穿深蓝制服并抬手讲解的卡通警察。边界框覆盖帽子、双手、制服及徽章、裤腿和可见鞋子；正点分布在帽子、面部、抬起的手、制服、裤腿和鞋上，负点位于展示板、右侧柜子、前景植物及人物旁的背景，排除这些非目标内容。"}},{"name":"Bottom narration subtitles","description":"White Chinese subtitles with a dark shadow along the bottom, beginning “小编今天就给大家讲讲冒充公检法诈骗的常见套路” and continuing through the illustrated scam explanation and numbered headings.","membership":"Include the currently visible subtitle characters, punctuation, and their shadow. Exclude all underlying scene graphics and panels.","id":"obj_003","temporal":{"status":"found","start_s":1.25,"end_s":17.0,"reference_s":2.0,"evidence":"目标为画面底部带深色阴影的白色中文字幕，文字随讲解和编号标题连续更新。首个合格帧为1.25秒，完整显示“小编今天就给大家讲讲冒充公检法诈骗的常见套路”；前一帧1.00秒仅有中央标题，没有底部字幕。最后合格帧16.75秒仍显示字幕“02：‘警官’接待”，区间延续至视频结束17.00秒，之后无采样帧。选择2.00秒作为关键帧，字幕完整清晰、无遮挡，易与场景图形区分。","start_frame":30,"end_frame":408,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[136,875,871,933],"positive_points":[[152,897],[247,886],[381,888],[484,885],[645,902],[806,888]],"negative_points":[[500,650],[787,562],[75,823],[950,760]],"evidence":"目标是底部白色黑影字幕“小编今天就给大家讲讲冒充公检法诈骗的常见套路”。边框覆盖整行可见汉字及其阴影；六个正点分布在该行不同位置的字形笔画上，四个负点位于远离字幕的蓝色面板、警服和两侧植物上，排除底层场景。"}},{"name":"Scam explanation board","description":"Large blue-framed presentation board to the presenter's left. Its initially blank surface develops the heading “冒充公检法诈骗的常见套路” and the first item, “01 ‘公职人员’ 找上门”.","membership":"Include the entire board surface, outer frame, top projection, decorative dots, and all displayed title and list graphics. Exclude the presenter, wall, subtitles, and nearby furnishings.","id":"obj_004","temporal":{"status":"found","start_s":1.75,"end_s":8.25,"reference_s":7.5,"evidence":"目标是讲解员左侧的大型蓝框展示板，包含顶部凸起、装饰圆点及后续标题和列表。首个合格帧为1.75秒，板面和边框已完整入画；前一帧1.50秒仍被画面上边缘裁切。最后合格帧为8.00秒，8.25秒开始随场景淡出，故不纳入。选择7.50秒为关键帧，展示板结构清晰，标题和第一条列表完整，遮挡较少。","start_frame":42,"end_frame":198,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[185.2,179.6,725.9,733.3],"positive_points":[[450,195],[199,462],[287,312],[382,416],[570,581],[699,721]],"negative_points":[[798,543],[109,389],[917,506],[487,903]],"evidence":"目标是讲解员左侧显示“冒充公检法诈骗的常见套路”和首条提示的蓝色展示板。边界框覆盖板面、外框及顶部凸起；正点分布于顶部、边框、标题、列表和蓝色板面。负点位于讲解员、左侧墙面、右侧柜子和底部字幕，均不属于展示板。"}},{"name":"Masked telephone scammer","description":"Bearded cartoon man wearing a dark knit cap, eye mask, and blue zippered top, speaking on a telephone while holding a sign claiming official authority.","membership":"Include the man's visible body, clothing, headwear, mask, beard, and hands. Exclude the telephone, handheld sign, desk, and background symbols.","id":"obj_005","temporal":{"status":"found","start_s":8.75,"end_s":12.25,"reference_s":9.5,"evidence":"目标是戴深色针织帽和眼罩、留胡须、穿蓝色拉链上衣的电话诈骗男子，仅计人物本身。8.75秒首次完整呈现，前一帧8.50秒仍是场景转场，人物尚未完整出现；最后合格帧为12.00秒，12.25秒人物开始被转场画面遮罩、淡化并移出，12.50秒已消失。选择9.50秒，人物轮廓及双手清楚，便于排除电话、标牌和桌面。","start_frame":210,"end_frame":294,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[408,451,652,835],"positive_points":[[491,486],[519,643],[462,654],[511,773],[620,765],[627,647]],"negative_points":[[379,800],[638,413],[800,900],[308,426]],"evidence":"目标是画面下方戴针织帽和眼罩、留胡须的男子。框覆盖其可见头部、衣服、双臂及双手，不包含电话、标牌或桌面。正点分布在帽子、胡须、双手、上衣和右袖；负点位于电话底座、标牌、桌面及左侧背景人物上。"}},{"name":"Scammer's rotary telephone","description":"Red-orange rotary desk telephone with a yellow-ended handset and coiled cord, used by the masked scammer.","membership":"Include the telephone base, dial, handset, and connecting cord, following their individual outlines. Exclude the scammer's hand, face, and the desk.","id":"obj_006","temporal":{"status":"found","start_s":8.75,"end_s":12.5,"reference_s":10.0,"evidence":"目标是蒙面骗子使用的红橙色旋转拨号电话，包括底座、拨号盘、黄色端部听筒及卷曲连接线。8.75秒首次完整呈现，前一帧8.50秒尚未出现；12.25秒仍可见完整电话，后一帧12.50秒已切换场景，电话消失。选择10.00秒为关键帧，电话各部分清楚，便于排除骗子的手、脸和桌面。","start_frame":210,"end_frame":300,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[335.4,552.8,518.3,835.2],"positive_points":[[364.1,806.5],[379.6,768.5],[470.8,575.9],[454.7,604.6],[505.2,675.9],[428.3,818.5]],"negative_points":[[472.5,648.1],[517.8,625.9],[389.9,849.1],[358.4,684.3]],"evidence":"目标是蒙面人使用的红橙色转盘电话。框覆盖电话底座、拨号盘、两端带黄色的听筒及连接卷线。正点分布在底座、拨号盘、听筒和卷线上；负点位于被排除的手、脸、桌面及外部背景。"}},{"name":"False official-authority placard","description":"Red rectangular sign with a white inset border reading “公检法机关”, held aloft by the masked scammer.","membership":"Include the sign face, border, lettering, and attached handle. Exclude the gripping hand and surrounding graphics.","id":"obj_007","temporal":{"status":"found","start_s":8.75,"end_s":12.25,"reference_s":9.5,"evidence":"目标为蒙面诈骗者举起的红色“公检法机关”牌，包含白色内边框、文字及相连手柄，不含握牌手。8.75秒首次完整呈现，8.50秒仍从画面下方进入，手柄尚未完整露出；12.00秒为最后合格帧，12.25秒牌面开始随转场淡出并被叠加画面遮盖。选择9.50秒作为关键帧，牌面、文字和手柄清晰，便于区分握牌手及背景图形。","start_frame":210,"end_frame":294,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[508,339,763,692],"positive_points":[[532,381],[581,417],[659,413],[742,449],[631,527],[630,588]],"negative_points":[[643,643],[642,299],[483,492],[691,558]],"evidence":"目标是蒙面人举起的红色“公检法机关”牌。框覆盖牌面、白色边框、文字及下方可见手柄；正点分布于牌面和手柄，负点位于握牌的手、人物帽子及牌外蓝色背景，排除手和周围图形。"}},{"name":"Horned fraud figure","description":"Dark blue, horned, ghostlike figure in a suit and red tie, appearing behind the scammer with both hands raised.","membership":"Include the complete illustrated figure, including horns, face, hands, suit, tie, and tapering lower body. Exclude the scammer and surrounding background.","id":"obj_008","temporal":{"status":"found","start_s":9.25,"end_s":12.5,"reference_s":10.0,"evidence":"目标是骗子身后双手举起、长角、穿深蓝西装和红领带、下身渐细的幽灵状人物。9.25秒首次完整呈现，虽仍在缩放移动但自身结构已齐全；9.00秒尚未出现。最后符合条件的是12.25秒，12.50秒场景替换后目标消失。选择10.00秒作为关键帧，角、脸、双手、西装及渐细下身清楚，便于与前方骗子区分。","start_frame":222,"end_frame":300,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[136,89,439,758],"positive_points":[[287,206],[167,274],[410,208],[242,395],[316,359],[384,627]],"negative_points":[[511,640],[528,773],[104,395],[458,337]],"evidence":"目标是骗子身后双手举起、头部长角、穿西装和红领带的深蓝色幽灵形人物。边界框覆盖其角、头脸、双手、西装及可见的渐细下半身；正点分布于头部、双手、衣服、领带和下半身，负点位于前景骗子及目标左右的背景，排除其他人物与周围图案。"}},{"name":"Worried phone recipient","description":"Bespectacled cartoon man with black hair, a pale blue short-sleeved shirt, and a dark blue sweater vest. He appears in the foreground holding a phone and bank cards, then remains on the right of the police-arrest illustration.","membership":"Include the man's visible body, hair, glasses, clothing, hands, and drawn sweat marks. Exclude his smartphone, bank cards, and the separate depiction of him in handcuffs.","id":"obj_009","temporal":{"status":"found","start_s":12.25,"end_s":15.75,"reference_s":13.0,"evidence":"目标是前景及随后右侧戴眼镜、穿浅蓝短袖和深蓝背心、带汗滴的接电话男子，不包括左侧戴手铐的另一幅形象。12.25秒其自身形体已完整呈现，下身为画面设计性裁切；此前12.00秒仍从下方进入，仅露出部分头肩。最后符合帧为15.50秒，15.75秒向右离场时已被画面右边界裁切。选择13.00秒作为关键帧，人物轮廓清楚，与左侧被捕形象容易区分；手机及银行卡不计入目标。","start_frame":294,"end_frame":378,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[621,246,870,955],"positive_points":[[755,288],[749,479],[640,603],[843,717],[750,752],[727,940]],"negative_points":[[688,429],[758,609],[237,455],[902,318]],"evidence":"目标是画面右侧戴眼镜、冒汗并接听电话的男子。框覆盖其可见头发、面部、汗滴、双臂、衣服和底部被画面截断的身体。正点分布在头发、脸、双臂、背心及裤子上；负点位于手机、银行卡、左侧戴手铐的另一幅人物及右上方背景，均不属于目标。"}},{"name":"Recipient's smartphone","description":"Black-edged phone with a pale screen held against the worried recipient's ear.","membership":"Include the complete visible phone body and screen. Exclude the recipient's hand, head, and clothing.","id":"obj_010","temporal":{"status":"found","start_s":12.0,"end_s":16.0,"reference_s":13.0,"evidence":"目标是焦虑收听者贴在耳边的黑边浅色屏幕手机，不包含手和头部。12.00秒手机自身的可见结构已完整进入画面，虽然人物下身仍被裁切；11.75秒尚未出现该手机。最后合格帧为15.75秒，人物向右退出时手机仍完整位于画内；16.00秒场景切换，手机消失。选择13.00秒作为关键帧，手机轮廓清楚，便于区分手机与手、脸。","start_frame":288,"end_frame":384,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[671.4,403.7,718.5,507.4],"positive_points":[[677.2,411.1],[684.6,422.2],[692.7,442.6],[696.1,476.9],[705.3,493.5],[696.7,502.8]],"negative_points":[[679.5,458.3],[718.5,466.7],[657.7,425],[722.5,554.6]],"evidence":"目标是右侧神情担忧的人贴在耳边的黑边浅色屏幕手机。边界框紧贴手机可见部分，涵盖上沿、屏幕及底部边框；正点分布在这些部位，负点位于旁边的手、脸、衣服和外部背景，排除人物及环境。"}},{"name":"Recipient's bank cards","description":"Overlapping bank cards held at the worried recipient's chest, with a gold card in front of a blue-gray card.","membership":"Include both overlapping cards, their borders, and printed markings as one compact card stack. Exclude the holding fingers and the recipient's clothing.","id":"obj_011","temporal":{"status":"found","start_s":12.25,"end_s":15.75,"reference_s":13.0,"evidence":"目标是焦虑的接听者胸前手持的卡片叠组：前方金色银行卡与后方蓝灰色卡片，包括边框和印刷标记，不含手指及衣服。12.25秒两张卡片首次完整呈现，前一帧12.00秒仅见人物从下方进入，卡片尚未出现。最后合格帧为15.50秒；15.75秒卡片随人物向右离场，已被画面右边界裁切。选择13.00秒作为关键帧，卡片轮廓和重叠关系清楚，便于标注。","start_frame":294,"end_frame":378,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[730,549,798,647],"positive_points":[[740,593],[762,596],[748,623],[776,632],[750,559],[770,569]],"negative_points":[[799,627],[717,666],[823,580],[610,689]],"evidence":"目标是右侧担忧人物胸前的叠放银行卡：前方金卡与后方露出的蓝灰色卡。框紧贴两张卡的可见范围，包含边框和印刷标记；六个正点分布在两张卡上，负点位于持卡手指、人物衣服及外部背景，不包含这些非目标部分。"}},{"name":"Police station illustration","description":"Blue-and-white police station behind the imagined arrest, identified by the large “POLICE” sign and rooftop satellite dish.","membership":"Include the connected station building, façade, windows, doors, steps, railings, signage, and rooftop dish. Exclude the people, parked vehicle, trees, sky, and ground.","id":"obj_012","temporal":{"status":"found","start_s":12.5,"end_s":15.75,"reference_s":13.0,"evidence":"目标是想象中逮捕场景后方的蓝白色警局，具有“POLICE”招牌、屋顶卫星天线及相连建筑。12.50秒首次完整清晰呈现，15.50秒为最后合格帧；此前12.25秒仍在淡入，之后15.75秒建筑向左移出并被画面边界裁切。选择13.00秒作为关键帧，建筑轮廓与招牌清楚，便于排除前方人物、车辆及周围景物。","start_frame":300,"end_frame":378,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[22.9,97.2,503.4,498.1],"positive_points":[[380.2,128.7],[417.4,294.4],[402.5,387],[404.8,461.1],[43.6,354.6],[489.7,361.1]],"negative_points":[[74.5,463],[240.8,435.2],[533.3,351.9],[447.2,166.7]],"evidence":"目标是被捕人物后方带“POLICE”标牌及屋顶卫星天线的蓝白警局。边界框覆盖可见建筑、门窗、台阶栏杆、屋顶天线及右侧相连的圆形标志。正点分布在天线、主标牌、左右窗户、台阶和圆形标志上；负点位于车辆、人物、树木及外部天空，不包含这些遮挡物或背景。"}},{"name":"Left arresting officer","description":"Uniformed cartoon officer standing to the left of the handcuffed man in the circular imagined-arrest scene.","membership":"Include this officer's complete figure, cap, insignia, hands, trousers, and shoes. Exclude the adjacent captive, other officer, and police station.","id":"obj_013","temporal":{"status":"found","start_s":12.75,"end_s":16.0,"reference_s":13.0,"evidence":"目标是圆形想象逮捕场景中、戴眼镜且被铐男子左侧的制服警员。12.50秒仍在淡入，12.75秒完整且不透明，首次符合条件；至15.75秒虽随场景左移，但帽子、双手、裤腿和鞋仍完整可见，为最后合格帧。16.00秒该场景及警员消失。选择13.00秒，因警员轮廓清晰、全身无遮挡，易与被捕男子和右侧警员区分。","start_frame":306,"end_frame":384,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[97.5,183.3,214,847.2],"positive_points":[[160,213],[158,301],[145,469],[108,569],[190,712],[136,832]],"negative_points":[[240,467],[329,464],[109,302],[83,692]],"evidence":"目标是左侧圆形想象场景中、戴手铐男子左边的制服警员。边界框覆盖其警帽、面部、制服及徽章、双手、裤腿和鞋子。正点分布在帽子、脸、躯干、手、裤腿和鞋上；负点位于被捕男子、另一名警员、警局建筑及外部草地。"}},{"name":"Handcuffed recipient depiction","description":"Separate full-body depiction of the bespectacled recipient, standing between two officers with his hands cuffed in front. He wears the same pale blue shirt and dark sweater vest as the foreground recipient.","membership":"Include this depicted man's complete body, glasses, clothing, hands, and shoes. The worn handcuffs remain within his region where they overlap him; exclude the flanking officers and foreground recipient.","id":"obj_014","temporal":{"status":"found","start_s":12.75,"end_s":16.0,"reference_s":13.0,"evidence":"目标是左侧情景图中站在两名警员之间、戴眼镜、穿浅蓝衬衫和深色背心、双手在身前戴铐的男子，区别于右侧接电话者。12.75秒首次完整清晰呈现，12.50秒仍处于淡入过渡；15.75秒虽随场景左移，但该男子全身仍完整可见，16.00秒已消失。选择13.00秒作为关键帧，此时身体、手铐和鞋子清楚，便于与两侧警员区分。","start_frame":306,"end_frame":384,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[191.5,214.8,285.6,849.1],"positive_points":[[238,262],[229,304],[240,436],[233,561],[227,710],[265,833]],"negative_points":[[154,442],[320,443],[757,721],[423,678]],"evidence":"目标是左侧两名警员之间、戴眼镜且双手在身前被铐住的男子。边界框紧贴其完整身体，覆盖头发、眼镜、衣物、双手及重叠的手铐、裤腿和鞋。正点分布在头部、眼镜、背心、双手、裤腿及鞋上；负点位于两侧警员、右侧前景男子和外部绿色背景，均不属于目标。"}},{"name":"Right arresting officer","description":"Uniformed cartoon officer standing to the right of the handcuffed man in the imagined-arrest scene.","membership":"Include this officer's complete figure, cap, insignia, hands, trousers, and shoes. Exclude the captive, left officer, and station building.","id":"obj_015","temporal":{"status":"found","start_s":12.5,"end_s":16.0,"reference_s":13.0,"evidence":"目标是想象逮捕场景中站在戴手铐男子右侧的制服警员。12.5秒首次完整呈现，帽子、制服、双手、裤腿和鞋均已建立；此前12.25秒仍处于半透明转场显现阶段。最后合格帧为15.75秒，该警员仍完整可见，16.0秒场景已被移除。选择13.0秒作为关键帧，人物清晰完整，易与左侧警员及被捕男子区分。","start_frame":300,"end_frame":384,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[273,183,380,847],"positive_points":[[324,214],[324,303],[331,466],[366,577],[342,719],[342,830]],"negative_points":[[239,462],[155,464],[426,388],[424,667]],"evidence":"目标是左侧想象逮捕场景中、被铐男子右边的制服警员。边框覆盖其完整可见身影，包括警帽、徽章、制服、双手、裤腿和鞋子。正点分布在帽子、面部、上衣、手、裤腿及鞋上；负点位于被铐男子、左侧警员、警局建筑和外部绿色背景。"}},{"name":"Handcuffs","description":"Silver cuffs securing the imagined captive's wrists together in front of his body.","membership":"Include both metal wrist loops and their connecting chain, including the areas enclosed by the loops. Exclude the captive's hands and clothing outside those enclosed regions.","id":"obj_016","temporal":{"status":"found","start_s":12.75,"end_s":16.0,"reference_s":13.0,"evidence":"目标是左侧想象画面中被两名警察夹在中间的人腕上的银色手铐，包含两个腕环及连接链。12.75秒首次完整清晰呈现；前一帧12.50秒人物及手铐仍处于淡入过渡。最后合格帧为15.75秒，手铐虽随画面移动但仍完整可见；16.00秒已消失。选择13.00秒作为关键帧，双腕环和连接部分清楚，便于区分手部及衣物。","start_frame":306,"end_frame":384,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[210.4,525.9,256.9,572.2],"positive_points":[[220,530],[213,541],[216.7,562],[246.5,531.5],[253.5,543],[245,560]],"negative_points":[[231,573],[236,501],[260,510],[239,620]],"evidence":"目标是左侧想象场景中被两名警察夹住的人腕上的银色手铐。框覆盖两个金属腕环及其间可见的连接链；正点分布在两侧腕环和链节上，负点位于环外的手部、前臂及衣裤上。"}},{"name":"Returning police presenter","description":"The dark-blue-uniformed cartoon presenter reappearing at the right after the recipient and arrest illustration leave, gesturing beside the board as the second item begins.","membership":"Include the complete officer, cap, uniform details, hands, trousers, and shoes. Exclude the board, subtitles, furniture, and foliage.","id":"obj_017","temporal":{"status":"found","start_s":16.25,"end_s":17.0,"reference_s":16.5,"evidence":"目标是第二项开始时重新出现在讲解板右侧、抬手示意的深蓝制服警察。16.25秒首次完整显示帽子、双手、制服、裤腿和鞋，16.00秒尚未出现；至最后采样帧16.75秒仍完整可见，因此区间延续至视频结尾17.00秒，之后无采样帧。选择16.50秒作为关键帧，人物轮廓清晰、全身完整，便于与板和家具区分。","start_frame":390,"end_frame":408,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[676,203,863,936],"positive_points":[[803,236],[799,332],[692,386],[793,539],[812,801],[758,920]],"negative_points":[[640,561],[921,497],[966,808],[601,901]],"evidence":"目标是画面右侧、站在���示板旁抬手讲解的深蓝制服卡通警官。边界框覆盖警帽、面部、双手、完整制服、裤腿和鞋子。正点分布于警帽、脸、抬起的手、上衣、裤腿及鞋；负点位于展示板、右侧柜子、前景植物和底部字幕，均不属于警官。"}},{"name":"Returning scam explanation board","description":"Blue-framed board reintroduced with the heading “冒充公检法诈骗的常见套路”, the completed first item, and the developing second item corresponding to “02：‘警官’接待”.","membership":"Include the complete board surface, frame, top projection, decorative dots, heading banner, and numbered list contents. Exclude the presenter, background wall, subtitles, and surrounding furnishings.","id":"obj_018","temporal":{"status":"found","start_s":16.25,"end_s":17.0,"reference_s":16.75,"evidence":"目标为重新出现的蓝框讲解板，含顶部凸起、装饰圆点、标题“冒充公检法诈骗的常见套路”、已完成的第一项及正在展开的第二项。16.25秒板面和边框已完整建立，内部第二项继续出现不影响板的起点；前一帧16.00秒为转场，尚无该板。最后合格帧为16.75秒，至视频结束仍在场，结束后无采样帧。选择16.75秒作关键帧，板体清晰且第二项已较明显，便于区分此次返回的讲解板。","start_frame":390,"end_frame":408,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[185.2,179.6,725.9,734.3],"positive_points":[[450,198],[448,310],[345,409],[327,499],[264,652],[672,678]],"negative_points":[[796,530],[134,388],[540,906],[921,485]],"evidence":"根据标题“冒充公检法诈骗的常见套路”、完整第一项和正在出现的第二项识别出蓝框说明板。边界框紧贴板面、外框及顶部凸起，包含装饰圆点、标题横幅和列表内容。正点分布于顶部、标题、两项列表及下部板面；负点位于讲解员、左侧墙面、底部字幕和右侧书架，均不属于目标。"}}]}
+{"video_id":145,"video_type":"visual design and media animation","targets":[{"name":"Animated football tactics board","description":"An outlined football pitch containing blue-and-white striped player discs, a magenta-and-white goalkeeper disc, and yellow opposing-player discs. The formation animates as the view rotates and the pitch changes from blue-purple to red.","membership":"Include the pitch surface inside its outer boundary, field markings, projecting goal outlines and their enclosed areas, all player discs, and the ball within the board. Follow the board’s actual outline and visible cropped extent. Exclude the surrounding gridded background and temporary colored emphasis rings, halos, and tracing strokes.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":7,"evidence":"目标为带球场边界、场线、外伸球门及球员圆片和足球的战术板；视角旋转、底色由蓝紫变红时仍为同一块板。首个合格帧为0.00秒，球场表面和边界已完整建立，后续球员增添属于板内内容变化；最后合格帧为14.75秒，未见板体退出或消失。区间到达视频首尾，两端均无区间外采样帧。选择7.00秒作关键帧，球场完整可见、双方圆片清楚，且无临时强调环或描边干扰。","start_frame":0,"end_frame":360,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[128.1,64.8,908,942.6],"positive_points":[[251,201],[283,659],[505,469],[629,197],[792,748],[401,875]],"negative_points":[[80,500],[480,35],[945,500],[580,975]],"evidence":"通过白色球场边线、蓝白条纹球员圆片、洋红色守门员及黄色对手圆片识别战术板。边界框紧贴倾斜球场的整体可见范围，包含两侧外凸球门及板内球员和足球。正点分布于球场内部表面和不同位置的球员圆片；负点位于球场外的四周网格背景。"}},{"name":"Football","description":"The small black-and-white paneled ball initially beside the magenta goalkeeper, subsequently passed to a blue-and-white striped defender inside the same penalty area.","membership":"Include only the ball’s circular silhouette and its black-and-white panels throughout its movement. Exclude player discs, nearby white field-marking dots, the pitch surface, and emphasis effects.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":10.25,"evidence":"目标是带黑白拼接面板的小足球，最初紧邻洋红色守门员，随后移动至同一禁区内的蓝白条纹后卫旁；不包含附近纯白场地点。首个合格帧为0.00秒，球虽小但已完整可见，之后持续存在，最后合格帧为14.75秒。区间覆盖视频首尾，两端均无额外采样帧。选择10.25秒作为关键帧，因为球正在两名球员之间移动，轮廓清楚且几乎无遮挡。","start_frame":0,"end_frame":360,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[576.6,589.8,604.2,630.6],"positive_points":[[590.1,597.2],[582.3,606.5],[585.9,619.4],[594.3,621.3],[598.4,609.3],[590.6,610.2]],"negative_points":[[511.5,586.9],[509.4,669.4],[647.9,630.6],[565.1,650]],"evidence":"目标是禁区内、品红色守门员右上方与蓝白后卫左侧之间的小黑白足球。边界框紧贴球体可见轮廓，六个正点分布于球的黑白面板；负点位于附近白色场地点、守门员圆片、蓝白后卫圆片及红色球场背景上。"}}]}
+{"video_id":146,"video_type":"visual design and media animation","targets":[{"name":"Opening email message panel","description":"White, black-bordered horizontal panel initially at the left, progressively revealing “WHY NOT TURN THOSE EMAILS INTO”.","membership":"Includes the rectangular panel surface, black boundary, and its changing text. Excludes the typing caret, drop shadow, and adjacent envelope.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":4.75,"reference_s":3,"evidence":"目标是左侧白底黑框横向邮件文字面板，不含光标、阴影及信封。0秒时面板表面和边界已完整建立，后续扩宽及文字逐步出现不影响容器身份；视频起点前无采样帧。最后合格帧为4.50秒，面板仍完整可见；紧邻的4.75秒帧中面板向左离场并被画面边缘裁切。选择3秒作关键帧，此时面板轮廓清晰、文字完整且无遮挡。","start_frame":0,"end_frame":114,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[52.1,457.4,388,530.6],"positive_points":[[65,478],[117,495],[193,517],[235,484],[303,505],[378,479]],"negative_points":[[260,538],[474,496],[668,494],[220,416]],"evidence":"目标是左侧显示“WHY NOT TURN THOSE EMAILS INTO”的白色黑框横向面板。边界框紧贴面板外缘，覆盖白色表面、黑色边框和文字，不含下方阴影。六个正点分布于面板不同位置；负点位于下方阴影、相邻信封、右侧黄色面板和上方背景。"}},{"name":"Blue email envelope","description":"Blue outlined envelope between the opening message and yellow panel, with an offset pink backing. It opens to reveal a dark-blue interior.","membership":"Includes the envelope body, flap, outlines, interior, and pink backing. Excludes the clicking hand and the independently moving paper airplane.","id":"obj_002","temporal":{"status":"found","start_s":2.25,"end_s":5.0,"reference_s":2.75,"evidence":"目标是开场文字与黄色面板之间的蓝色描边信封，包含偏移的粉色背板，打开后露出深蓝色内部。首个合格帧为2.25秒，此时信封与背板均完整；前一帧2.00秒尚未出现完整粉色背板。最后合格帧为4.75秒，信封虽向左移动但仍完整可见；下一帧5.00秒已消失。选择2.75秒作为关键帧，轮廓清楚且没有点击手或纸飞机遮挡。","start_frame":54,"end_frame":120,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[432.3,452.8,526.6,563.9],"positive_points":[[469.8,472.2],[443.2,510.2],[503.1,486.1],[492.7,528.7],[519.3,504.6],[482.8,553.7]],"negative_points":[[350,495],[620,490],[476,411],[477,610]],"evidence":"目标位于左侧文字框与右侧黄色面板之间，是带黑色轮廓的蓝色信封及向右下偏移的粉色背衬。边界框紧密覆盖信封主体、封口和粉色背衬；正点分布在蓝色各部分及粉色露出区域，负点位于两侧其他面板和上下外部背景。"}},{"name":"Travel opportunity panel","description":"Yellow, black-bordered horizontal panel to the right of the envelope, progressively revealing “THE PERFECT OPPORTUNITY TO TRAVEL”.","membership":"Includes the yellow surface, border, and text throughout the panel’s expansion and movement. Excludes the typing caret, drop shadow, envelope, and paper airplane.","id":"obj_003","temporal":{"status":"found","start_s":2.0,"end_s":5.0,"reference_s":4.25,"evidence":"目标是信封右侧的黄色黑边横向面板，文字逐步显示为“THE PERFECT OPPORTUNITY TO TRAVEL”。2.00秒首次出现完整的黄色表面和边框，后续扩宽及内部文字输入不影响面板成立；前一帧1.75秒尚无该面板。最后合格帧为4.75秒，5.00秒面板向左移出时已被画面边界裁切。选择4.25秒作为关键帧，此时面板及完整文字清晰可见，无遮挡，便于排除阴影和邻近图标。","start_frame":48,"end_frame":120,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[553.6,456.5,950.5,531.5],"positive_points":[[566.7,490.7],[625,472.2],[687.5,512],[765.6,495.4],[854.2,472.2],[932.3,513]],"negative_points":[[470,493],[300,491],[750,420],[781.3,541]],"evidence":"目标是信封右侧写有“THE PERFECT OPPORTUNITY TO TRAVEL”的黄色黑框横向面板。边界框紧贴面板外缘，覆盖黄色底面、黑色边框及文字，不包含投影。六个正点分散在面板内部；负点位于信封、左侧面板、上方背景和下方投影处。"}},{"name":"Envelope clicking hand","description":"Animated white hand with an extended index finger and heavy black edging that rises to click the blue envelope and then moves downward out of view.","membership":"Includes the hand silhouette and its black edging. Excludes the envelope and surrounding graphics.","id":"obj_004","temporal":{"status":"found","start_s":3.5,"end_s":4.5,"reference_s":3.75,"evidence":"目标是点击蓝色信封的白色伸指手形，带粗黑色描边。首个完整呈现帧为3.50秒，最后合格帧为4.25秒，此时手已下移但仍完整可见；前一帧3.25秒仅在画面底边露出局部，后一帧4.50秒已消失。选择3.75秒作为关键帧，手形清晰完整，易与信封及周围图形区分。","start_frame":84,"end_frame":108,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[451.6,486.1,504.7,592.6],"positive_points":[[471.4,502.8],[471.4,536.1],[481.3,527.8],[496.4,538.9],[482.3,572.2],[459.4,554.6]],"negative_points":[[442.7,493.5],[504.2,476.9],[517.7,546.3],[480.7,618.5]],"evidence":"目标是蓝色信封前方伸出食指的白色点击手形，带粗黑描边。边界框紧贴完整手形及黑色外缘；正点分布在食指、其他手指、拇指和掌部，负点位于蓝色信封、粉色图形及手形下方背景，排除周围图形。"}},{"name":"Paper airplane leaving the envelope","description":"Pink folded-paper airplane that emerges from the open envelope and flies toward and across the arriving travel website panel.","membership":"Includes the airplane’s pointed wings, folded body, and dark fold lines, following its changing orientation. Excludes motion-blur trails and the envelope.","id":"obj_005","temporal":{"status":"found","start_s":4.5,"end_s":5.75,"reference_s":4.5,"evidence":"目标是从蓝色信封飞出、带深色折线的粉色纸飞机，不包括运动拖影。首个完整呈现帧为4.50秒，随后飞向并穿过旅行网站面板，最后符合条件的帧为5.50秒。前一帧4.25秒飞机仍部分藏在信封内，尚未完整显露；后一帧5.75秒飞机已不在画面中。选择4.50秒作为关键帧，飞机与信封分离，轮廓和折叠结构较清楚。","start_frame":108,"end_frame":138,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[445.3,333.3,491.7,406.5],"positive_points":[[478.1,353.7],[466.7,363.9],[458.3,372.2],[459.4,391.7],[469.3,384.3],[478.6,369.4]],"negative_points":[[469.3,305.6],[431.3,365.7],[460.9,467.6],[507.3,378.7]],"evidence":"目标是画面中央信封上方、尖端朝右上的粉色纸飞机。边界框紧贴可辨认的机翼、折叠机身和深色折线，不包含外围运动模糊拖影。六个正点分布在飞机各部位；负点位于周围背景及下方信封上。"}},{"name":"Travel website presentation window","description":"Floating browser-style panel with rounded black framing, a “Travel Sale 2025” tab, and “www.travelsale.com.co/” in the address bar. Its page shows a blue sky, clouds, a steep green-and-brown mountain with a zigzag stairway, branding, and a vacation headline.","membership":"Includes the entire bounded browser panel: frame, toolbar, page surface, landscape, logos, and changing headline. Separately listed page subjects remain within this region. Excludes the external drop shadow and graphics outside the window.","id":"obj_006","temporal":{"status":"found","start_s":5.5,"end_s":11.25,"reference_s":10.5,"evidence":"目标为带圆角黑框、“Travel Sale 2025”标签及网址栏的浏览器面板，内部包含蓝天、山峰、品牌标志和变化的假期标题。5.50秒首次完整进入画面，前一帧5.25秒右侧仍被画面边界裁切；11.00秒是最后完整可见帧，后一帧11.25秒面板向下退出并被底边裁切。选择10.50秒作为关键帧，整个窗口边界清晰、无遮挡，页面内容也清楚可辨。","start_frame":132,"end_frame":270,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[85.9,82.4,914.1,895.4],"positive_points":[[175,101],[714,134],[244,278],[420,554],[652,468],[623,789]],"negative_points":[[67,490],[493,48],[946,500],[490,942]],"evidence":"根据“Travel Sale 2025”标签、网址栏及蓝天山峰度假页面识别该浏览器式窗口。边界框紧贴黑色圆角外框，包含工具栏和全部页面内容，不含外部投影。正点分布在标签栏、地址栏、蓝天、标题、横幅和山峰上；负点位于窗口及投影之外的背景。"}},{"name":"Travel Sale page logo","description":"Pink right-pointing tag bearing the white “travel sale.com.co” branding, initially centered within the blue website page and later repositioned below the vacation headline.","membership":"Includes the pink tag silhouette and its lettering, together with the small attached brand attribution. Excludes the adjacent chamber-of-commerce logo and page background.","id":"obj_007","temporal":{"status":"found","start_s":5.75,"end_s":11.25,"reference_s":8.0,"evidence":"目标是蓝色网页内带白色“travel sale.com.co”文字及小型品牌署名的粉色右指标签，不含旁边的商会标志。5.75秒首次完整呈现；此前5.50秒仍在淡入。随后标签移至假期标题下方，最后合格帧为11.00秒；11.25秒随网页向下退出，目标已离开画面。选择8.00秒作为关键帧，标签��晰完整、无遮挡，且与商会标志容易区分。","start_frame":138,"end_frame":270,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[355.7,453.7,455.7,545.4],"positive_points":[[363.0,465.7],[417.2,467.6],[372.9,511.1],[419.8,529.6],[437.5,499.1],[447.4,538.9]],"negative_points":[[484.4,500.0],[338.5,490.7],[401.0,574.1],[408.9,416.7]],"evidence":"目标为蓝色页面中央偏左、带白色“travel sale.com.co”字样的粉色右向标签。边界框覆盖标签轮廓、文字及右下方小型品牌署名；六个正点分布于标签各部分及署名，负点位于右侧商会标志和标签外围蓝色背景。"}},{"name":"Colombian Chamber of Electronic Commerce logo","description":"White circular line emblem and the words “cámara colombiana de comercio electrónico”, appearing beside the pink Travel Sale logo within the website panel.","membership":"Includes the circular emblem and associated lettering as one logo. The emblem’s enclosed region belongs to it; excludes the adjacent Travel Sale tag and surrounding page background.","id":"obj_008","temporal":{"status":"found","start_s":6.75,"end_s":11.25,"reference_s":7.5,"evidence":"目标为网站面板内、粉色 Travel Sale 标签右侧的白色圆形线条徽记及“cámara colombiana de comercio electrónico”文字。6.50秒仍在淡入，6.75秒完整清晰呈现；最后符合条件的帧为11.00秒，11.25秒随面板下移已离开画面。选择7.50秒作为关键帧，徽记和文字完整、无遮挡，且与旁边标签容易区分。","start_frame":162,"end_frame":270,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[468.2,470.4,638.0,528.7],"positive_points":[[475.0,498.0],[485.0,504.0],[507.0,486.0],[566.0,486.0],[528.0,511.0],[614.0,511.0]],"negative_points":[[399.0,500.0],[550.0,448.0],[652.0,507.0],[550.0,556.0]],"evidence":"目标为页面中央粉色 Travel Sale 标签右侧的白色商会标志。边界框覆盖圆形线条徽记及两行“cámara colombiana de comercio electrónico”文字。正点分布在徽记及上下两行文字上；负点位于左侧粉色标签和标志外围的蓝色页面背景。"}},{"name":"Returning paper airplane","description":"Pink folded-paper airplane presented again over the travel website branding, then flying across the emerging vacation headline and off the upper-right side.","membership":"Includes the folded airplane silhouette and dark fold lines. Excludes motion trails, page lettering, and browser framing.","id":"obj_009","temporal":{"status":"found","start_s":9.75,"end_s":10.25,"reference_s":10.0,"evidence":"目标是再次出现、飞过度假标题的粉色折纸飞机，具有尖头轮廓和深色折线，不含拖影。首个合格帧为9.75秒，最后合格帧为10.00秒；9.50秒仍显示旅游网站标志，尚无完整飞机，10.25秒飞机已消失。选择10.00秒作为关键帧，此时飞机位于右上方，轮廓较清楚，且未被视频边界裁切。","start_frame":234,"end_frame":246,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[859,114,932,190],"positive_points":[[869,129],[882,130],[910,123],[875,155],[891,156],[904,138]],"negative_points":[[844,132],[819,135],[887,228],[736,262]],"evidence":"目标是画面右上角飞出网页的粉色折纸飞机，可见深色折线。边界框紧贴飞机主体轮廓，不包含外围模糊运动拖影。六个正点分布在机翼、折叠机身及折线上；负点位于左侧拖影、浏览器栏、下方蓝色背景和页面标题上。"}},{"name":"Mandatory vacation headline","description":"Large cream-colored website headline with script “Mandatory” above the dramatically slanted uppercase word “VACATION”.","membership":"Includes all lettering in this headline as one text block throughout its progressive reveal. Excludes clouds, the yellow “PACKAGES” banner, logos, and browser surface.","id":"obj_010","temporal":{"status":"found","start_s":10.25,"end_s":11.25,"reference_s":10.5,"evidence":"目标是奶油色的整组标题：上方手写体“Mandatory”和下方倾斜的大写“VACATION”，不含黄色横幅。10.00秒末尾字母仍在揭示，10.25秒全部文字首次完整呈现；11.00秒为最后完整帧，11.25秒标题随页面下移并被画面底边裁切。选择10.50秒作关键帧，标题清晰完整，便于区分其他文字和装饰。","start_frame":246,"end_frame":270,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[195.3,202.8,803.1,749.1],"positive_points":[[200,353],[226,596],[334,557],[374,518],[550,375],[784,286]],"negative_points":[[684,454],[555,600],[858,226],[153,537]],"evidence":"目标为奶油色手写体“Mandatory”和斜向上排列的大写“VACATION”，边界框覆盖两部分完整标题。正点分布在手写字及大写字母的笔画上；负点位于黄色“PACKAGES”横幅、粉色标志、右上云朵及左侧蓝色背景，均排除在标题之外。"}},{"name":"Packages banner","description":"Slanted yellow-and-orange dimensional banner reading “PACKAGES”, positioned over the lower-right portion of the vacation headline.","membership":"Includes the banner face, outlined edges, visible orange side faces, and lettering. Excludes the cream headline behind it and the page background.","id":"obj_011","temporal":{"status":"found","start_s":10.25,"end_s":11.25,"reference_s":10.5,"evidence":"目标是叠在奶油色 VACATION 标题右下部的黄色斜向立体横幅，包含橙色侧面及“PACKAGES”字样。10.25秒首次完整呈现，11.00秒为最后合格帧；此前10.00秒横幅及文字仍在展开，仅显示“PACK”，此后11.25秒随页面下移，横幅已被画面底边裁切。选择10.50秒作为关键帧，横幅轮廓和文字清晰且无遮挡。","start_frame":246,"end_frame":270,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[585.9,361.1,764.1,552.8],"positive_points":[[589.1,511.1],[617.2,479.6],[656.3,449.1],[704.2,416.7],[752.6,388.9],[677.1,476.9]],"negative_points":[[619.8,370.4],[784.4,463],[557.3,596.3],[567.7,494.4]],"evidence":"目标是覆盖在 VACATION 标题右下方、写有“PACKAGES”的倾斜黄橙色立体横幅。边界框紧贴横幅面板、描边及橙色侧面；六个正点分布在面板、文字和侧边上，四个负点位于横幅外的奶油色标题、蓝色背景及下方粉色标志上。"}},{"name":"Central HR and spreadsheet card","description":"White, black-outlined card centered among company logos. It initially displays bold “HR”, is clicked by an animated hand, and changes to a taller card containing the green Microsoft Excel symbol.","membership":"Includes the card’s enclosed white surface, black border, and changing contents, including the separately listed Excel icon. Excludes the external gray shadow, clicking hand, and surrounding company logos.","id":"obj_012","temporal":{"status":"found","start_s":12.25,"end_s":15.0,"reference_s":12.75,"evidence":"目标是公司标志中央的白底黑框卡片，内容由“HR”变为绿色 Excel 图标，卡片变高及缩小不打断连续出现。12.00 秒卡片仍呈灰色淡入状态，12.25 秒边框与内容已完整显现，为首个合格帧；最后合格帧为 14.75 秒，持续至视频结束 15.00 秒，之后无采样帧。选择 12.75 秒作为关键帧，卡片轮廓清晰且未被点击手遮挡；外部阴影、手和周围标志不属于目标。","start_frame":294,"end_frame":360,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[366.1,374.1,633.9,625.9],"positive_points":[[385,398],[609,401],[386,600],[610,599],[465,493],[519,515]],"negative_points":[[646,500],[521,647],[856,503],[500,312]],"evidence":"目标是公司标志之间居中的黑框白色卡片，当前显示粗体“HR”。边界框紧贴卡片黑色外框，包含白色内表面及文字，不含右侧和下方灰色投影。正点分布在卡片内部及HR字形上；负点位于外部投影、右侧公司标志和卡片上方背景。"}},{"name":"Alkosto logo","description":"Orange-and-blue rectangular brand graphic reading “ALKOSTO” above “LO DICE TODO”, initially left of the central HR card and retained in the expanded logo grid.","membership":"Includes both colored rectangular bands and all lettering within them. Excludes surrounding white background and neighboring logos.","id":"obj_013","temporal":{"status":"found","start_s":12.5,"end_s":15.0,"reference_s":12.75,"evidence":"目标为橙蓝两条矩形色带组成的“ALKOSTO / LO DICE TODO”标志，位于HR卡片左侧，之后连续保留在扩展品牌网格中。首个合格帧为12.50秒；前一帧12.25秒标志左侧仍被画面边界裁切。最后合格帧为14.75秒，持续至视频结束15.00秒，无后续帧。选择12.75秒作为关键帧，标志完整清晰、尺寸较大且无遮挡。","start_frame":300,"end_frame":360,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[24,443.5,205.2,560.2],"positive_points":[[40,458],[116,486],[193,508],[37,543],[111,541],[190,544]],"negative_points":[[12,480],[222,500],[113,418],[110,586]],"evidence":"目标位于中央 HR 卡片左侧，由上方橙色“ALKOSTO”色带和下方蓝色“LO DICE TODO”色带组成。边界框紧贴两条色带及其全部文字；六个正点分布在上下色带内，四个负点位于标志四周的白色背景上。"}},{"name":"Mercado Libre logo","description":"Yellow-and-blue handshake emblem beside the stacked dark-blue words “mercado libre”, initially at the lower left of the HR card.","membership":"Includes the complete enclosed handshake emblem and associated two-line wordmark. Excludes surrounding background and other logos.","id":"obj_014","temporal":{"status":"found","start_s":12.75,"end_s":15.0,"reference_s":12.75,"evidence":"目标由黄蓝色封闭握手徽章及深蓝色两行“mercado libre”字标组成。首个完整合格帧为12.75秒；前一帧12.50秒的徽章仍被画面左边界裁切。此后标志随整体布局缩小移动，持续完整出现至最后采样帧14.75秒，因此区间结束于15.00秒；视频末尾之后无可检查帧。选择12.75秒作为关键帧，因为标志较大、清晰且无遮挡。","start_frame":306,"end_frame":360,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[9.9,840.7,218.8,932.4],"positive_points":[[44,852],[47,892],[97,863],[192,866],[123,910],[176,917]],"negative_points":[[90,815],[237,865],[90,958],[279,916]],"evidence":"目标位于图像左下角，由黄蓝握手椭圆徽章和深蓝色两行“mercado libre”字标组成。边界框紧贴完整徽章及字标；正点分布在徽章内部和两行文字笔画上，负点位于标志上方、右侧及下方的外部背景。"}},{"name":"Despegar logo","description":"Purple rounded emblem and lowercase “despegar” wordmark, initially above and left of the HR card and later in the expanded grid’s second row.","membership":"Includes the purple emblem and wordmark as one brand unit. Excludes neighboring logos and surrounding background.","id":"obj_015","temporal":{"status":"found","start_s":12.5,"end_s":15.0,"reference_s":12.75,"evidence":"目标为紫色圆润徽标与小写“despegar”字标组成的品牌单元，先位于HR卡片左上方，随后移入扩展网格第二行。首个合格帧为12.50秒，此时徽标和字标均完整呈现；前一帧12.25秒的徽标仍被画面左边界裁切。最后合格帧为14.75秒，目标仍完整可见，区间延续至视频结束15.00秒，无后续帧。选择12.75秒作为关键帧，因品牌单元较大、清晰且无遮挡。","start_frame":300,"end_frame":360,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[22.9,35.2,206.3,124.1],"positive_points":[[33,76],[61,80],[86,83],[130,88],[165,78],[199,84]],"negative_points":[[104,161],[236,82],[49,192],[454,80]],"evidence":"目标位于图像左上角，由紫色圆角图形和小写“despegar”字标组成。边界框紧密覆盖完整品牌单元；六个正点分布在图形两部分及字标笔画上，四个负点位于标志外围背景和上方中央的其他品牌标志上。"}},{"name":"VTEX logo","description":"Magenta angular emblem followed by uppercase “VTEX”, initially above the HR card and later above the Excel card.","membership":"Includes the complete emblem and lettering. Enclosed areas of the emblem belong to its region; excludes surrounding background and adjacent logos.","id":"obj_016","temporal":{"status":"found","start_s":12.25,"end_s":15.0,"reference_s":12.75,"evidence":"目标为洋红色角形徽记及右侧大写“VTEX”，位于HR卡片上方，随后持续位于Excel卡片上方。12.00秒仍在淡入，12.25秒徽记和文字已完整清晰，作为首个合格帧；之后缩放移动但持续完整可见，最后合格帧为14.75秒。区间延伸至视频结尾15.00秒，无后续采样帧。选择12.75秒作为关键帧，标志较大、清晰且无遮挡。","start_frame":294,"end_frame":360,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[421.4,63,579.2,164.8],"positive_points":[[453.1,76.9],[458.9,145.4],[503.1,125],[527.6,100],[542.7,114.8],[568.2,114.8]],"negative_points":[[500,35],[500,205],[390,110],[610,110]],"evidence":"目标位于图像上方中央、HR卡片上方，由洋红色角形徽标和大写“VTEX”组成。边界框紧贴完整徽标及字样；六个正点分布在徽标和四个字母笔画上，四个负点位于标志上下左右的外部背景。"}},{"name":"Apple logo","description":"Black bitten-apple silhouette followed by “Apple”, initially at the upper right of the HR card and retained in the larger logo arrangement.","membership":"Includes the apple body, separate leaf, and wordmark. Follows the bite concavity rather than filling it; excludes surrounding background.","id":"obj_017","temporal":{"status":"found","start_s":12.5,"end_s":15.0,"reference_s":12.75,"evidence":"目标为 HR 卡片右上方的黑色缺口苹果（含独立叶片）及“Apple”字标，随后保留在扩大的品牌排列中。首个合格帧为12.50秒；此前12.25秒仍呈灰色淡入状态。最后合格帧为14.75秒，目标仍完整可见，区间延续至视频结束15.00秒，无后续帧。选择12.75秒作为关键帧，因标志较大、完整清晰且无遮挡。","start_frame":300,"end_frame":360,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[803.6,63.9,968.2,164.8],"positive_points":[[823.4,122.2],[832.8,75],[866.1,127.8],[890.6,142.6],[941.7,118.5],[958.9,141.7]],"negative_points":[[785,115],[881,42],[984,120],[895,194]],"evidence":"目标位于图像右上方，由黑色缺口苹果图形、独立叶片及“Apple”字标组成。边界框紧贴这三部分的整体可见范围；六个正点分布在苹果主体、叶片和字母笔画上，四个负点位于标志外围背景，避开咬口及字形内部空隙。"}},{"name":"Davivienda logo","description":"Red stylized uppercase “DAVIVIENDA” wordmark centered below the HR card and subsequently below the Excel card.","membership":"Includes the complete red lettering. Excludes the card, clicking hand, and surrounding background.","id":"obj_018","temporal":{"status":"found","start_s":12.5,"end_s":15.0,"reference_s":12.75,"evidence":"目标是HR卡片下方、随后位于Excel卡片下方的红色完整“DAVIVIENDA”字标。12.25秒仍呈淡入中的较浅红色，12.5秒首次完整清晰呈现；此后随布局缩放持续可见，最后符合帧为14.75秒。区间到达视频末尾，无后续帧。选择12.75秒作为关键帧，字标较大、无遮挡且与周围标志分离清楚。","start_frame":300,"end_frame":360,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[352.6,861.1,647.9,910.2],"positive_points":[[358.9,888],[400,869.4],[457.3,883.3],[517.2,902.8],[592.7,867.6],[637,883.3]],"negative_points":[[500,825],[500,950],[330,884],[674,884]],"evidence":"目标为画面底部中央、HR卡片下方的红色“DAVIVIENDA”字标。边界框紧贴完整红色字母，六个正点分布在左右及中部的字母笔画上；四个负点位于字标上、下、左、右的外部背景，不包含卡片或其他标志。"}},{"name":"Sura logo","description":"Dark-blue “sura” wordmark with a turquoise radiating emblem to its right, positioned right of the central card.","membership":"Includes the wordmark and all strokes of the turquoise emblem. Excludes the open background between unrelated subjects and neighboring logos.","id":"obj_019","temporal":{"status":"found","start_s":12.5,"end_s":15.0,"reference_s":12.75,"evidence":"目标为中央卡片右侧的深蓝色“sura”字标及右侧 turquoise（青绿色）放射状徽标。首个合格帧为12.50秒，12.25秒时标志仍在淡入、颜色较浅；此后完整标志持续可见，虽缩小并移动，至最后采样帧14.75秒仍完整呈现，因此结束时间为15.00秒，视频末尾无后续帧。选择12.75秒作为关键帧，此时标志清晰完整、无遮挡，且与邻近标志分离。","start_frame":300,"end_frame":360,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[800.5,446.3,970.3,553.7],"positive_points":[[810.9,477.8],[835.9,505.6],[868.8,486.1],[910.4,504.6],[936.5,473.1],[932.3,541.7]],"negative_points":[[859.4,425.9],[885.4,583.3],[776.0,500.0],[984.4,500.0]],"evidence":"目标位于中央HR卡片右侧，由深蓝色“sura”字标和右侧青绿色放射状图案组成。边界框紧贴完整字标及图案的全部笔画；六个正点分布在四个字母和图案笔画上，四个负点位于标志四周的外部背景，避开内部空隙及邻近标志。"}},{"name":"Visa logo","description":"Blue uppercase “VISA” wordmark with a yellow accent on the V, initially at the lower right of the central card.","membership":"Includes the lettering and yellow accent. Excludes surrounding background and neighboring logos.","id":"obj_020","temporal":{"status":"found","start_s":12.5,"end_s":15.0,"reference_s":12.75,"evidence":"目标为中央卡片右下方的蓝色大写“VISA”及V上的黄色装饰。12.25秒仍处于淡入，12.5秒首次完整清晰呈现；随后随整体布局缩小移动，至最后采样帧14.75秒仍持续可见，因此区间结束于15.0秒，视频末尾无后续帧。选择12.75秒作为关键帧，此时标志较大、无遮挡，且与邻近标志分离清楚。","start_frame":300,"end_frame":360,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[833.9,855.6,939.1,917.6],"positive_points":[[846.4,862.0],[851.6,893.5],[864.6,868.5],[877.1,889.8],[897.4,909.3],[930.7,903.7]],"negative_points":[[817.7,879.6],[955.7,885.2],[885.4,824.1],[885.4,944.4]],"evidence":"目标位于图像右下角，是带黄色装饰的蓝色大写 VISA 标志。边界框紧贴全部字母及黄色部分；六个正点分布在黄色装饰和各字母笔画上，四个负点位于标志四周、远离边缘的背景中。"}},{"name":"HR and Excel clicking hand","description":"Large animated white hand with black edging that rises beneath the central HR card, presses it, and remains over the resulting Excel icon as the layout scales down.","membership":"Includes the hand silhouette and black edging throughout its movement and scaling. Excludes the card, HR lettering, and Excel icon.","id":"obj_021","temporal":{"status":"found","start_s":13.0,"end_s":15.0,"reference_s":13.0,"evidence":"目标是中央HR卡片下方升起的白色黑边手形，随后点击卡片，并在其变为Excel图标及布局缩小时持续可见。首个合格帧为13.00秒，前一帧12.75秒尚无该手形；最后合格帧为14.75秒，手形仍完整显示，区间延续至视频结束，无后续帧。选择13.00秒作为关键帧，手形较大、轮廓清晰，与卡片重叠最少。","start_frame":312,"end_frame":360,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[463.0,623.1,557.8,813.9],"positive_points":[[500.0,652.8],[515.1,700.9],[530.2,709.3],[545.3,721.3],[520.3,774.1],[475.5,744.4]],"negative_points":[[468.8,564.8],[444.8,723.1],[574.5,748.1],[505.0,875.0]],"evidence":"目标是中央HR卡片下方向上伸出食指的白色黑边手形。框紧贴完整手形及黑色边缘，不包含卡片和文字。六个正点分布在食指、其余手指、拇指和���心；负点位于上方卡片、左右外部背景及下方品牌文字处。"}},{"name":"Microsoft Excel icon","description":"Green layered spreadsheet symbol with a white “X”, replacing “HR” inside the central card after the click.","membership":"Includes the complete overlapping green rounded shapes and white X. Excludes the surrounding white card, its border and shadow, and the overlaid hand.","id":"obj_022","temporal":{"status":"found","start_s":13.75,"end_s":15.0,"reference_s":13.75,"evidence":"目标为中央卡片内替换“HR”的绿色多层圆角图形及白色“X”，不包括卡片和手形指针。13.50秒仍显示“HR”；13.75秒Excel图标已完整呈现，之后随整体缩小持续存在，最后合格帧为14.75秒。区间延伸至视频结束15.00秒，之后无采样帧。选择13.75秒作为关键帧，因图标尺寸最大、轮廓清晰，虽有手形指针局部遮挡，仍易于辨认。","start_frame":330,"end_frame":360,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[433.3,374.1,565.6,625.9],"positive_points":[[473,411],[541,415],[550,500],[442,533],[471,518],[471,601]],"negative_points":[[515,662],[400,417],[631,694],[671,496]],"evidence":"目标是中央卡片内带白色“X”的绿色 Excel 图标。边界框紧贴重叠绿色圆角形状的可见范围，不包含卡片、边框、阴影或手形。正点分布于上部、左右及下部绿色区域和白色 X；负点位于覆盖的手形、白色卡片、卡片阴影及右侧外部背景。"}},{"name":"Rappi logo","description":"Coral script “Rappi” above a matching moustache symbol, appearing at the upper left of the expanded company-logo grid.","membership":"Includes the script wordmark and moustache silhouette. Excludes surrounding background and neighboring logos.","id":"obj_023","temporal":{"status":"found","start_s":14.5,"end_s":15.0,"reference_s":14.75,"evidence":"目标是扩展公司标志网格左上角的珊瑚色“Rappi”手写字标及其下方同色胡须。14.25秒仍处于淡入状态，14.5秒首次完整清晰呈现，最后合格帧为14.75秒。目标持续至视频结束，之后没有采样帧。选择14.75秒作为关键帧，字标和胡须均清晰完整、无遮挡。","start_frame":348,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[63.5,50.9,130.3,143.6],"positive_points":[[70.3,83.3],[83.3,79.6],[105.2,74.1],[127.0,56.5],[79.7,129.6],[112.5,129.6]],"negative_points":[[49.5,94.4],[146.9,92.6],[96.4,167.6],[299.5,97.2]],"evidence":"目标位于图像左上角，由珊瑚色手写体“Rappi”和下方同色胡须组成。边界框紧贴完整字标及胡须；六个正点分布在文字笔画、字母圆点和胡须两侧，四个负点位于标志外围背景及远处的 adidas 标志上。"}},{"name":"Adidas logo","description":"Black three-stripe mountain emblem above lowercase “adidas”, in the top row of the expanded logo grid.","membership":"Includes all three stripe shapes and the associated wordmark. Excludes surrounding background and neighboring logos.","id":"obj_024","temporal":{"status":"found","start_s":14.5,"end_s":15.0,"reference_s":14.75,"evidence":"目标是扩展标志网格顶行的黑色三条纹山形图案及下方小写“adidas”字标。14.25秒时仍呈灰色淡入状态，14.5秒首次完整清晰显示，最后合格帧为14.75秒。目标持续至视频结束，边界后没有采样帧。选择14.75秒作为关键帧，图案和字标完整、无遮挡，且易与周围标志区分。","start_frame":348,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[271.4,64.8,326,129.6],"positive_points":[[283.3,102.8],[294.3,95.4],[305.2,88.9],[288.5,113.9],[298.4,125.9],[320.3,113.9]],"negative_points":[[255.2,95.4],[338.5,98.1],[298.4,43.5],[297.9,153.7]],"evidence":"目标位于顶行第二列，由黑色三条山形条纹及下方小写“adidas”字标识别。边界框紧贴完整徽标；六个正点分布在三条条纹和字标笔画上，四个负点位于徽标上下左右的外部背景。"}},{"name":"OFFCORSS logo","description":"Yellow uppercase “OFFCORSS” lettering on a dark rectangular badge, at the left of the expanded grid’s second row.","membership":"Includes the dark rectangular badge and all lettering and marks within it. Excludes surrounding background.","id":"obj_025","temporal":{"status":"found","start_s":14.5,"end_s":15.0,"reference_s":14.75,"evidence":"目标为扩展品牌网格第二行左侧的深色矩形徽章，内含黄色大写“OFFCORSS”及标记。14.25秒仍处于淡入阶段，14.5秒首次完整清晰呈现，最后合格帧为14.75秒。目标持续至视频结束，之后无采样帧。选择14.75秒作为关键帧，徽章与文字清晰完整且无遮挡。","start_frame":348,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[48.96,267.59,144.79,330.56],"positive_points":[[56.25,285.19],[74.48,301.85],[91.67,286.11],[110.42,305.56],[129.17,290.74],[138.54,323.15]],"negative_points":[[93.75,246.3],[95.83,352.78],[37.5,301.85],[159.38,298.15]],"evidence":"目标位于第二行最左侧，以深色矩形徽章和黄色大写“OFFCORSS”字样识别。边界框紧贴整个徽章，包含文字及标记；六个正点分布于徽章内部的文字和深色底面，四个负点位于徽章上下左右的外围背景。"}},{"name":"Movistar logo","description":"Turquoise curved M emblem followed by “movistar”, positioned at the far left of the row containing the Excel card.","membership":"Includes the curved emblem and wordmark. Excludes surrounding background and neighboring logos.","id":"obj_026","temporal":{"status":"found","start_s":14.5,"end_s":15.0,"reference_s":14.75,"evidence":"目标是 Excel 卡片所在行最左侧的青绿色弯曲 M 图标及“movistar”字标。14.25 秒仍处于淡入阶段；14.5 秒首次完整清晰呈现，14.75 秒为最后一个合格采样帧。该标志持续至视频结束，之后没有采样帧。选择 14.75 秒作为关键帧，因为图标和文字清晰完整、无遮挡，且与邻近标志容易区分。","start_frame":348,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[27.1,475.9,167.7,524.1],"positive_points":[[31.8,499.1],[53.6,489.8],[75.5,502.8],[110.9,509.3],[137.5,500.9],[159.9,495.4]],"negative_points":[[16.7,500],[99,452.8],[96.4,545.4],[263,492.6]],"evidence":"目标是Excel卡片所在行最左侧的青绿色Movistar标志。边界框紧贴弯曲M图形及完整movistar字标；正点分布在图形和文字笔画上，负点位于标志外侧背景及右侧邻近的ALKOSTO标志上。"}},{"name":"Jumbo logo","description":"Green circular badge reading “JUMBO” with smaller “cencosud” lettering, in the left column below Movistar.","membership":"Includes the circular green badge, its lettering, and attached small brand mark. Excludes surrounding background.","id":"obj_027","temporal":{"status":"found","start_s":14.5,"end_s":15.0,"reference_s":14.75,"evidence":"目标是左列 Movistar 下方的绿色圆形 JUMBO／cencosud 标志，包含右上方小品牌标记。14.25 秒仍处于淡入阶段；14.5 秒首次完整清晰呈现，最后一个符合条件的采样帧为 14.75 秒。目标持续至视频结束，之后没有采样帧。选择 14.75 秒作为关键帧，标志清晰完整且无遮挡。","start_frame":348,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[73.4,659.3,121.4,744.4],"positive_points":[[86.5,678.7],[101.6,677.8],[113.5,671.3],[81.8,703.7],[110.9,706.5],[97.4,730.6]],"negative_points":[[65.1,696.3],[130.2,699.1],[97.9,638.9],[96.9,764.8]],"evidence":"目标位于左列 Movistar 下方，是带有“JUMBO”和小字“cencosud”的绿色圆形徽章。边界框紧贴圆形徽章并包含右上方附属小标记；六个正点分布于徽章、文字及小标记，四个负点位于徽章四周的外部背景。"}},{"name":"Mabe logo","description":"Turquoise lowercase “mabe” wordmark at the bottom left of the expanded company grid.","membership":"Includes the complete wordmark. Excludes surrounding background and neighboring logos.","id":"obj_028","temporal":{"status":"found","start_s":14.5,"end_s":15.0,"reference_s":14.75,"evidence":"目标是扩展公司标志网格左下角的青绿色小写“mabe”完整字标。14.25秒仍处于淡入阶段，14.50秒首次完整清晰呈现，最后合格帧为14.75秒，并持续至视频结束；结束后无采样帧。选择14.75秒作为关键帧，字标清晰、无遮挡且与相邻标志分离。","start_frame":348,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[48.9,877.8,145.3,928.7],"positive_points":[[51.6,913.0],[64.6,901.9],[83.9,903.7],[106.3,885.2],[117.7,909.3],[139.1,922.2]],"negative_points":[[36,910],[95,855],[159,906],[96,949]],"evidence":"目标是图像左下角青绿色小写“mabe”标识。边界框紧贴完整单行字标，六个正点分布在各字母的可见笔画上；四个负点位于字标外侧的背景，避开字母间隙及邻近标识。"}},{"name":"Decameron logo","description":"Blue “DECAMERON” wordmark with small colored palm trees and the subtitle “All Inclusive Hotels & Resorts”, along the bottom row.","membership":"Includes the wordmark, palm-tree motif, and subtitle as one compact logo. Excludes neighboring logos and surrounding background.","id":"obj_029","temporal":{"status":"found","start_s":14.5,"end_s":15.0,"reference_s":14.75,"evidence":"目标位于底行，为蓝色“DECAMERON”字标、彩色棕榈树及“All Inclusive Hotels & Resorts”副标题组成的完整标志。14.25秒仍处于淡入阶段；14.5秒首次完整清晰呈现，持续至最后采样帧14.75秒。区间到达视频末尾，无后续帧可检查。选择14.75秒作为关键帧，标志清楚、无遮挡，且与邻近标志分离。","start_frame":348,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[243,871,354.2,935.5],"positive_points":[[245.8,901.9],[292.7,878.7],[303.5,903],[351,902],[269,929.6],[332,928.7]],"negative_points":[[298,850],[300,956],[216,904],[392,904]],"evidence":"目标位于底排、mabe 与 HOMECENTER 标志之间，可见蓝色 DECAMERON 字标、彩色棕榈树及下方英文副标题。边界框紧贴这三部分组成的完整标志；正点分布于字标、棕榈树和副标题笔画上，负点位于标志四周的外部背景。"}},{"name":"Éxito logo","description":"Yellow circular badge with black “éxito” lettering, centered in the expanded grid’s top row.","membership":"Includes the entire yellow disc and its lettering and accent marks. Excludes surrounding background.","id":"obj_030","temporal":{"status":"found","start_s":14.5,"end_s":15.0,"reference_s":14.75,"evidence":"目标是扩展标志网格顶行中央的黄色圆形 Éxito 徽标，包含黑色 lettering 及重音符号。14.50 秒首次完整显示，14.75 秒仍完整可见；紧邻之前的 14.25 秒该位置尚未出现徽标。区间持续至视频结尾，没有后续采样帧。选择 14.75 秒作为关键帧，因为徽标清晰、无遮挡且易与周围标志区分。","start_frame":348,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[474.5,51.9,526.0,142.6],"positive_points":[[499.5,65.7],[484.9,84.3],[514.1,85.2],[494.3,103.7],[508.3,123.1],[483.9,112.0]],"negative_points":[[460.9,92.6],[539.6,92.6],[500.0,27.8],[500.0,166.7]],"evidence":"目标是顶行中央带黑色“éxito”字样的黄色圆形徽标。边界框紧贴整个黄色圆盘，包含文字和重音符号；六个正点分布于圆盘上部、文字区及下部，四个负点位于圆盘上下左右的外部背景。"}},{"name":"Coca-Cola logo","description":"Red script “Coca-Cola” wordmark in the top row, to the right of the yellow Éxito badge.","membership":"Includes the complete script lettering and its flourishes. Excludes surrounding background and adjacent logos.","id":"obj_031","temporal":{"status":"found","start_s":14.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是顶排黄色 Éxito 标志右侧的红色 Coca-Cola 花体字标，包含完整字母及装饰笔画。14.50 秒仍处于淡入阶段；14.75 秒首次完整清晰呈现，也是最后一个合格采样帧，因此选为关键帧。区间持续至视频结束 15.00 秒，之后没有采样帧。","start_frame":354,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[655.7,70.4,746.9,124.1],"positive_points":[[659.9,108.3],[677.1,102.8],[691.7,101.9],[703.1,108.3],[728.1,85.2],[739.1,110.2]],"negative_points":[[640.6,96.3],[758.9,99.1],[697.9,46.3],[702.1,148.1]],"evidence":"目标是顶行黄色 Éxito 标志右侧的红色 Coca-Cola 花体字标。边界框紧贴完整文字及其装饰笔画；六个正点分布在两部分文字的实际笔画上，四个负点位于字标四周的外部背景。"}},{"name":"Johnson & Johnson logo","description":"Red script “Johnson & Johnson” wordmark at the upper right of the expanded grid.","membership":"Includes the entire script wordmark. Excludes surrounding background and other logos.","id":"obj_032","temporal":{"status":"found","start_s":14.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是展开后的品牌网格右上角红色手写体“Johnson & Johnson”完整字标。14.50秒时字标仍呈淡红色，处于淡入阶段；14.75秒首次完整清晰呈现，也是最后一个合格采样帧，因此选为关键帧，无遮挡且易与其他标志区分。区间延续至视频结束15.00秒，之后无采样帧。","start_frame":354,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[825,71.3,980.7,123.1],"positive_points":[[830.7,87.9],[857.3,94.4],[883.9,96.3],[911.5,88.9],[941.7,100],[974.5,95.4]],"negative_points":[[804,96],[902,48],[900,148],[907,295]],"evidence":"目标是图像右上角红色手写体“Johnson & Johnson”标志。边界框紧贴整个双名称及连接符；六个正点分布于两侧文字的笔画上，负点位于标志外的背景及下方独立的 dafiti 标志上。"}},{"name":"Aviatur logo","description":"Blue uppercase “AVIATUR” wordmark at the far right of the row containing the Excel card.","membership":"Includes the complete blue wordmark. Excludes surrounding background and neighboring logos.","id":"obj_033","temporal":{"status":"found","start_s":14.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是与中央 Excel 卡片同一行最右侧的蓝色大写“AVIATUR”完整字标。14.50 秒时字标仍处于浅淡的淡入阶段；14.75 秒首次完整清晰呈现，也是最后一个采样帧，因此区间结束于视频末尾 15.00 秒，之后没有采样帧。选择 14.75 秒作为关键帧，字标清楚且无遮挡，与邻近标志易于区分。","start_frame":354,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[847.4,484.3,958,515.7],"positive_points":[[852.1,507.4],[872.4,505.6],[884.9,497.2],[912,497.2],[925,500],[944.8,500.9]],"negative_points":[[904,462],[903,537],[830,500],[973,500]],"evidence":"目标位于 Excel 卡片所在行���最右侧，为蓝色大写“AVIATUR”字标。边界框紧密覆盖完整字标；六个正点分布在不同字母的蓝色笔画上，四个负点位于字标上、下、左、右的外围背景，不包含邻近标志。"}},{"name":"PayU logo","description":"Green “PayU” wordmark with small raised square accents, in the right column below Aviatur.","membership":"Includes the lettering and associated square accents. Excludes surrounding background and neighboring logos.","id":"obj_034","temporal":{"status":"found","start_s":14.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是右侧列 Aviatur 下方的绿色“PayU”字标及右上方小方块。14.50 秒仍处于淡入阶段，14.75 秒已完整清晰呈现，是首个及最后一个合格采样帧，因此选作关键帧。区间延续至视频结束，之后没有采样帧。","start_frame":354,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[868.8,671.3,937.0,730.6],"positive_points":[[871.4,705.6],[887.5,717.6],[901.6,713.9],[909.9,704.6],[926.0,705.6],[933.3,680.6]],"negative_points":[[854.2,702.8],[950.0,700.0],[901.0,647.2],[901.0,750.9]],"evidence":"目标是右侧列中位于 AVIATUR 下方的绿色 PayU 标志。边界框紧密覆盖完整字标及右上方的小方块装饰；六个正点分布在字母笔画和方块上，四个负点位于标志外围的背景中。"}},{"name":"Homecenter logo","description":"Multicolored outlined house emblem followed by blue “HOMECENTER”, centered along the bottom row of the expanded grid.","membership":"Includes the complete house emblem, its enclosed colored sections, and the wordmark. Excludes surrounding background and adjacent logos.","id":"obj_035","temporal":{"status":"found","start_s":14.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是扩展网格底行中央的彩色房屋徽标及蓝色“HOMECENTER”字标。14.50秒仍处于淡入阶段，14.75秒完整清晰呈现，是首个及最后一个符合条件的采样帧，因此选为关键帧。该外观持续至视频结束15.00秒，之后没有采样帧。","start_frame":354,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[420.3,880.6,580.2,924.1],"positive_points":[[428.6,912.0],[442.2,896.3],[458.9,902.8],[500.5,894.4],[531.8,902.8],[572.9,900.0]],"negative_points":[[500.0,856.5],[500.0,948.1],[677.1,898.1],[296.9,902.8]],"evidence":"目标位于底部一行中央，由彩色房屋徽标和蓝色“HOMECENTER”字标组成。边界框紧密覆盖完整徽标及字标；正点分布在房屋彩色区域和文字笔画上，负点位于上下方背景及左右相邻的其他标志上。"}},{"name":"Google logo","description":"Multicolored “Google” wordmark in the bottom row, to the right of Homecenter.","membership":"Includes all letters of the multicolored wordmark. Excludes surrounding background and neighboring logos.","id":"obj_036","temporal":{"status":"found","start_s":14.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是底行 Homecenter 右侧的多色“Google”完整字标。14.50 秒仍处于淡入阶段，14.75 秒所有字母已完整清晰呈现，是首个及最后一个合格采样帧，因此选作关键帧。区间延续至视频结束（15.00 秒），没有后续采样帧。","start_frame":354,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[659.9,878.7,742.7,926.9],"positive_points":[[662,897.2],[685.4,894.4],[701.6,894.4],[718.8,922.2],[727.1,885.2],[735.4,904.6]],"negative_points":[[645.8,898.1],[755.2,901.9],[697.9,854.6],[697.9,947.2]],"evidence":"目标是底行 Homecenter 右侧的彩色 Google 字标。边界框紧贴全部六个字母，包括 g 的下伸部分；六个正点分别落在各字母的可见笔画上，四个负点位于字标四周的外部背景，未标注字母内部空隙或邻近标志。"}},{"name":"Dafiti logo","description":"Black lowercase “dafiti” wordmark at the right end of the expanded grid’s second row.","membership":"Includes the complete black wordmark. Excludes surrounding background and adjacent logos.","id":"obj_037","temporal":{"status":"found","start_s":14.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是扩展标志网格第二行最右侧的黑色小写“dafiti”完整字标。首个及最后一个符合条件的采样帧均为14.75秒；前一帧14.50秒该位置尚未显示字标。14.75秒字标完整清晰、无遮挡，故选为关键帧。区间延伸至视频末尾15.00秒，之后无采样帧。","start_frame":354,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[865.6,275.9,940.6,321.3],"positive_points":[[882.3,283.3],[889.1,300.9],[909.4,290.7],[920.1,305.6],[927.1,298.1],[938.0,305.6]],"negative_points":[[900,250],[955,305],[897,350],[844,301]],"evidence":"目标是网格第二行最右侧的黑色小写“dafiti”字标。边界框紧贴完整字标，六个正点分布在各字母的实际笔画上；四个负点位于字标外围的背景，不包含字间空隙或相邻标志。"}},{"name":"Claro logo","description":"Red circular badge containing the white “Claro” wordmark and radiating accent strokes, at the bottom right of the expanded grid.","membership":"Includes the complete red disc and its white lettering and accent strokes. Excludes surrounding background and neighboring logos.","id":"obj_038","temporal":{"status":"found","start_s":14.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是扩展标志网格右下角的红色圆形 Claro 标志，包含白色字样及放射状短线。首个及最后一个合格采样帧均为14.75秒，圆盘和内部图案完整可见；此前14.50秒该位置尚无此标志。区间延续至视频15.0秒结束，之后没有采样帧。选择14.75秒作为关键帧，因为目标完整、无遮挡且易与邻近标志区分。","start_frame":354,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[877.1,857.4,928.6,949.1],"positive_points":[[901,870.4],[885.4,891.7],[919.3,889.8],[889.1,924.1],[911.5,933.3],[903.1,904.6]],"negative_points":[[859.4,898.1],[945.3,907.4],[901,824.1],[901,972.2]],"evidence":"目标为图像右下角带白色“Claro”字样和放射短线的红色圆形标志。边界框紧贴完整红色圆盘，包含文字与短线；六个正点分布在圆盘不同部位，四个负点位于圆盘上下左右的外部背景。"}}]}
+{"video_id":147,"video_type":"visual design and media animation","targets":[{"name":"Working Hard heading","description":"White heading reading \"Working Hard\" above the standing fisher on the left.","membership":"Includes only the heading's letters; excludes the figure and surrounding graphics.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":4.75,"reference_s":1.0,"evidence":"目标为左侧站立钓鱼人上方的白色「Working Hard」字母。0.00秒已完整呈现，4.50秒仍清晰完整；紧邻的4.75秒开始变暗淡出，故不纳入。区间始于视频开头，没有更早的 sampled 帧。选1.00秒作为关键帧，标题清晰、无遮挡，易于与右侧标题区分。","start_frame":0,"end_frame":114,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[83.3,336.5,349.1,359],"positive_points":[[89,342],[131.5,342.2],[165.7,346.9],[235.2,347.9],[260.2,344.3],[346.3,345.3]],"negative_points":[[731,346],[186,448],[219,315],[204,392]],"evidence":"目标是左侧站立钓鱼者上方的白色“Working Hard”标题。边界框紧贴完整标题，包含字母及其间距；六个正点分布在不同字母笔画上，负点位于右侧标题、左侧人物、上方背景及箭头图形上，均不属于目标。"}},{"name":"Standing fisher","description":"White-and-gray stick figure on the left bank, repeatedly raising and throwing an arrow-shaped fishing spear.","membership":"Includes the complete figure and its limbs through pose changes; excludes the spear, bank, and heading.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":4.75,"reference_s":1.5,"evidence":"目标是左岸反复举起并投掷箭形鱼叉的白灰色站立人形，仅包括身体和四肢，不包括鱼叉、岸边及标题。首个合格帧为0.00秒，人物已完整呈现；此前无采样帧。最后合格帧为4.50秒，下一帧4.75秒人物开始整体淡出。选择1.50秒作为关键帧，因为人物完整清晰，鱼叉已离手，便于独立标注。","start_frame":0,"end_frame":114,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[170,401,272,552],"positive_points":[[247,414],[214,447],[232,470],[184,451],[194,514],[238,525]],"negative_points":[[218,347],[131,574],[316,480],[825,443]],"evidence":"目标是左岸“Working Hard”标题下方的白灰色站立人物。边界框紧贴其头部、躯干和全部可见四肢，不含鱼矛、河岸或标题。六个正点分布在头、躯干、双臂和双腿；负点位于上方标题、左侧河岸、人物右侧背景及右岸坐姿人物上。"}},{"name":"First fishing spear","description":"White arrow-shaped spear initially held diagonally beside the standing fisher, then raised overhead and thrown underwater toward the lower right.","membership":"Includes the shaft and triangular point of this spear through its held and airborne positions; excludes the fisher and water.","id":"obj_003","temporal":{"status":"found","start_s":0.0,"end_s":1.5,"reference_s":1.25,"evidence":"目标为左侧站立渔夫最初斜持的白色箭形鱼叉，包括杆身和三角尖头；随后举过头顶并投向水下右下方。首个合格帧为0.00秒，已完整呈现；最后合格帧为1.25秒，鱼叉完整位于水下。1.50秒帧中该鱼叉已消失；视频起点之前没有 sampled 帧。选1.25秒为 keyframe，因为鱼叉与渔夫分离、轮廓清楚且无遮挡。","start_frame":0,"end_frame":36,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[756.5,871,833.3,936],"positive_points":[[764.8,877.6],[779.6,891.1],[793.5,904.7],[808.3,917.7],[819.4,927.1],[826.9,930.2]],"negative_points":[[889,847],[703.7,911.5],[879.6,921.9],[825,958.3]],"evidence":"目标是画面右��方斜向右下飞行的白色箭形鱼叉。边界框紧贴其杆身和三角形尖端；六个正点沿杆身及尖端分布，四个负点位于周围水域背景及上方独立的鱼上，均避开鱼叉。"}},{"name":"Working Smart heading","description":"White heading reading \"Working Smart\" above the seated fisher on the right.","membership":"Includes only the heading's letters; excludes the fishing equipment and figure.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":4.5,"reference_s":0,"evidence":"目标为右侧坐着的钓鱼者上方白色“Working Smart”字母。首个合格帧为0.00秒，标题已完整显示；视频起点之前无 sampled 帧。最后合格帧为4.25秒，紧接的4.50秒标题开始明显淡出，因此不纳入。选择0.00秒为关键帧，文字清晰、完整且无遮挡。","start_frame":0,"end_frame":108,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[642.6,336.5,932.4,359.4],"positive_points":[[652,350],[684,348],[728,347],[820,341],[844,349],[924,352]],"negative_points":[[780,315],[791,384],[824,443],[217,344]],"evidence":"目标是右侧坐着的钓鱼者上方的白色“Working Smart”标题。边界框紧贴整段标题的可见字母；六个正点分布在两个单词的字母笔画上，负点位于标题外的黑色背景、钓鱼者头部及左侧另一标题上。"}},{"name":"Seated fisher","description":"White-and-gray stick figure reclining with crossed legs and one arm behind its head on the right bank.","membership":"Includes the complete figure and the small smoking item held near its face; excludes smoke, chair, rods, and bank.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":4.75,"reference_s":1.5,"evidence":"目标是右岸椅上交叉双腿、一臂枕在脑后、另一手持小型冒烟物品的白灰色人形；不包括烟雾、椅子、钓竿和河岸。0.00秒已完整出现，视频起点前无 sampled 帧；4.50秒人形及手持物仍完整清晰，4.75秒开始整体淡出，因此最后合格帧为4.50秒。选择1.50秒，人物轮廓和手持物清楚，便于与椅子及钓竿区分。","start_frame":0,"end_frame":114,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[667,428,851,572],"positive_points":[[826,442],[786,447],[769,468],[802,484],[710,540],[738,559]],"negative_points":[[862,500],[622,516],[914,606],[228,475]],"evidence":"目标是右岸仰坐、交叉双腿且一臂置于脑后的白灰色人物。框覆盖完整人物及面前的小型吸烟物，不含烟雾、椅子、鱼竿和岸边。正点分布于头、脑后手臂、吸烟物、上身前臂及双腿；负点位于椅背、鱼竿、右岸和左侧站立人物。"}},{"name":"Fishing chair","description":"White reclining chair with a diamond-lattice back and seat beneath the relaxed fisher.","membership":"Includes the chair frame, legs, back, seat, and enclosed lattice areas; excludes the seated figure and surrounding bank.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":4.75,"reference_s":1,"evidence":"目标是右侧休闲钓鱼者身下的白色躺椅，可见菱形网格椅背、椅座和椅腿，不包括人物。首帧0.00秒已完整呈现，视频起点前无 sampled 帧；最后符合条件的帧为4.50秒，4.75秒椅子开始整体淡出。选择1.00秒为关键帧，椅架和网格清晰，便于与人物及岸边区分。","start_frame":0,"end_frame":114,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[691,449,880,572],"positive_points":[[863,464],[769,491],[805,521],[860,542],[819,562],[697,556]],"negative_points":[[825,443],[812,488],[912,580],[910,474]],"evidence":"目标是右侧垂钓者身下的白色菱格躺椅。边界框紧贴可见椅背、座面、框架及椅腿；正点分布于两侧格栅、座面和椅腿，负点位于明确排除的人物头部、躯干及椅外岸边和背景。"}},{"name":"Shorter fishing rod","description":"The lower of the two bowed fishing rods planted beside the seated fisher, with its tip extending farther left.","membership":"Includes this rod, its attached descending line, and terminal hook. The open curves do not include the space between rod and line; excludes the other rod and fish.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":0,"evidence":"目标为坐姿渔夫旁两根鱼竿中较矮、竿尖更偏左的一根，包括其垂下的鱼线和末端鱼钩。0秒已完整呈现，4.75秒仍可见完整结构；5秒鱼竿开始明显淡出，因此最后合格帧为4.75秒。视频起点前无采样帧。选0秒作为关键帧，鱼竿、鱼线和鱼钩清楚，且未被鱼遮挡。","start_frame":0,"end_frame":120,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[512,430,643,679],"positive_points":[[518,435],[593,486],[627,554],[533,511],[546,631],[547,665]],"negative_points":[[604,453],[370,793],[824,446],[442,571]],"evidence":"目标是坐姿钓鱼者旁较低、竿尖更靠左的弯曲钓竿。框覆盖该竿、向下垂落的钓线及末端鱼钩；正点分布在竿尖、弯曲竿身、竿底和钓线上，负点位于另一根钓竿、鱼、人物及外部背景，避开两条曲线之间的空隙。"}},{"name":"Taller fishing rod","description":"The taller bowed fishing rod beside the seated fisher, whose tip rises above the other rod.","membership":"Includes this rod, its attached descending line, and terminal hook. Excludes the other rod, fish, and the open space between its curves.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":4.75,"reference_s":0,"evidence":"目标是坐着的钓鱼者旁尖端更高的弯曲钓竿，包括其下垂钓线和末端鱼钩，不包括另一根较矮钓竿。0.00秒已完整呈现，视频开头没有更早帧；4.50秒仍完整可见，4.75秒开始随画面淡出。选择0.00秒作关键帧，钓竿轮廓清楚，钓线和鱼钩未被鱼遮挡。","start_frame":0,"end_frame":114,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[546,388,659,663],"positive_points":[[550,394],[630,483],[646,543],[650,550],[561,469],[555,636]],"negative_points":[[515,433],[814,483],[375,791],[719,401]],"evidence":"目标是坐着的钓鱼者左侧、竿尖更高的外侧弯曲鱼竿。边框覆盖该竿、向下垂落的鱼线及末端鱼钩；正点分布在竿尖、弯曲竿身、竿底和鱼线上。负点位于另一根较矮鱼竿、人物、鱼及外部背景，避开两条曲线之间的空隙。"}},{"name":"First upward-swimming fish","description":"Small gray fish initially low on the left, angled head-up, that swims diagonally toward the left hanging hook and remains beneath it.","membership":"Includes the complete fish silhouette, fins, tail, and facial marks through its movement; excludes the hook, line, and other fish.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":4.75,"reference_s":3.5,"evidence":"目标是最初位于左下方、头朝右上方的小灰鱼；它持续斜向上游，到达左侧悬挂鱼钩下方并停留。0.00秒已完整可见，4.50秒是最后一个 qualifying 帧；4.75秒目标随场景开始淡出。视频起点前没有采样帧。选取3.50秒，此时鱼的轮廓、 fins 和尾巴清楚，且与下方其他鱼分离，便于标注。","start_frame":0,"end_frame":114,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[472.2,669.8,542.6,718.8],"positive_points":[[523,678],[510,689],[530,699],[498,711],[480,705],[487,686]],"negative_points":[[539,656],[532,804],[442,688],[589,698]],"evidence":"目标是左侧垂下的鱼钩正下方、头朝上倾斜的小灰鱼。框覆盖完整鱼身、鱼鳍、尾巴及面部；正点分布在这些部位，负点位于上方钩线、下方另一条鱼及两侧外部背景。"}},{"name":"Second upward-swimming fish","description":"Gray head-up fish entering from the bottom near the center and rising toward the right hanging hook, eventually appearing beside the first fish.","membership":"Includes this fish's body, fins, tail, and facial marks; excludes the neighboring fish and fishing lines.","id":"obj_010","temporal":{"status":"found","start_s":2.5,"end_s":4.75,"reference_s":3.5,"evidence":"目标是从画面底部中央进入、头朝上游向右侧鱼钩的第二条灰鱼，随后与先到的鱼并列。2.50秒首次完整可见；2.25秒尾部仍被底边截断。4.50秒是最后一个合格帧，4.75秒鱼随场景开始淡出。选择3.50秒作为关键帧，此时鱼的身体、尾鳍和面部清楚，且与其他鱼及鱼线分离。","start_frame":60,"end_frame":114,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[496.3,783.3,562,840.1],"positive_points":[[536,793],[530,807],[503,810],[554,815],[527,835],[518,820]],"negative_points":[[511,691],[724,849],[601,802],[467,833]],"evidence":"目标是画面下半部中央、悬钩下方第一条鱼更下方的第二条头朝上灰鱼。边框紧贴其头部、身体、双侧鱼鳍及尾巴；六个正点分布在这些部位，负点位于上方邻鱼、右下方横游鱼及目标外侧背景，未包含钓线。"}},{"name":"Multitasking heading","description":"White \"Multitasking\" heading associated with the upper animated chart.","membership":"Includes only the heading text; excludes chart axes, bars, and moving block.","id":"obj_011","temporal":{"status":"found","start_s":5.75,"end_s":10.25,"reference_s":6.25,"evidence":"目标为上方动画图表的白色“Multitasking”标题，不包含图表元素。5.75秒首次完成淡入并清晰显示，10.00秒为最后 qualifying 帧；此前5.50秒标题仍在淡入，之后10.25秒已开始淡出。选择6.25秒作为关键帧，标题完整清晰、无遮挡，与下方“Focused”标题易于区分。","start_frame":138,"end_frame":246,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[373.1,143.2,625,165.6],"positive_points":[[376.9,150.5],[418.5,158.9],[454.6,152.6],[504.6,149.5],[544.4,153.1],[619.4,156.3]],"negative_points":[[342.6,153.6],[651.9,153.6],[500,127.1],[500.9,179.7]],"evidence":"目标是上方图表顶部的白色“Multitasking”标题。边界框紧密覆盖整段文字，包���末尾字母的下伸部分；六个正点分布在不同字母笔画上，四个负点位于标题四周的外部黑色背景，未包含图表元素。"}},{"name":"Multitasking chart","description":"Upper L-axis chart with five positions, a rounded block moving between them, and several short columns accumulating unevenly.","membership":"Includes the axes, five bases or columns, and moving rounded block as chart contents. Excludes the separately identified heading and the lower chart; the open axes do not create a filled rectangular panel.","id":"obj_012","temporal":{"status":"found","start_s":5.75,"end_s":10.25,"reference_s":8.25,"evidence":"目标是上方的L形坐标轴图，包含五个底座/柱体及其上方移动的圆角块；不包括“Multitasking”标题和下方图表。5.75秒首次完成淡入并完整呈现，10.00秒为最后有效帧；此前5.50秒仍在淡入，此后10.25秒开始淡出。选8.25秒作关键帧，坐标轴、五个位置、不等高柱体及移动块清晰且彼此易区分。","start_frame":138,"end_frame":246,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[220.4,132.8,777.8,398.0],"positive_points":[[222.2,229.2],[297.2,391.1],[396.3,339.6],[499.1,368.2],[703.7,365.6],[537.0,221.9]],"negative_points":[[494.4,154.2],[602.8,286.5],[499.1,650.0],[166.7,338.5]],"evidence":"目标是上方“Multitasking”标题下的开放式L轴图。框覆盖两条坐标轴、五处底座或柱体及悬浮圆角块，不含标题和下方图表。正点分布在纵轴、多个柱体及悬浮块上；负点位于标题、图内非填充背景、左侧外部背景及下方图表。"}},{"name":"Focused heading","description":"White \"Focused\" heading between the two charts, identifying the lower demonstration.","membership":"Includes only the heading text; excludes both charts.","id":"obj_013","temporal":{"status":"found","start_s":5.75,"end_s":10.25,"reference_s":7.25,"evidence":"目标是上下两张图表之间、标识下方演示的白色“Focused”标题，仅包含文字。首个合格帧为5.75秒，最后合格帧为10.00秒；5.50秒文字仍在淡入，10.25秒开始淡出。选择7.25秒作为关键帧，标题完整清晰，且未被移动的图形遮挡。","start_frame":138,"end_frame":246,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[415.7,473.4,583.3,491.1],"positive_points":[[420.4,476.6],[444.4,484.4],[472.2,481.8],[495.4,485.4],[547.2,479.7],[579.6,477.6]],"negative_points":[[370.4,484.4],[629.6,484.4],[500,453.1],[500,510.4]],"evidence":"目标是两幅图表之间的白色“Focused”标题。边界框紧贴完整标题文字，不包含上下图表；六个正点分布在不同字母的笔画上，四个负点位于标题左、右、上、下的外部黑色背景。"}},{"name":"Focused chart","description":"Lower L-axis chart with five positions, where a rounded block repeatedly returns to the middle and builds one tall central column.","membership":"Includes the axes, five bases, growing central column, and moving rounded block. Excludes its heading and the upper chart; the open axes do not enclose a filled panel.","id":"obj_014","temporal":{"status":"found","start_s":5.75,"end_s":10.25,"reference_s":8.25,"evidence":"目标是下方的 L 形坐标轴图，包含五个底座、不断增高的中央柱和反复落向中央的圆角块，不含“Focused”标题及上方图表。5.75 秒首次完成淡入，10.00 秒为最后一个合格帧；此前 5.50 秒仍在淡入，此后 10.25 秒已开始淡出。选择 8.25 秒：坐标轴和五个位置清晰，中央高柱与运动块分离，便于标注。","start_frame":138,"end_frame":246,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[220.4,501.6,777.8,772.9],"positive_points":[[499,512],[499,657],[223,626],[291,766],[610,766],[720,770]],"negative_points":[[499,483],[398,346],[172,651],[826,646]],"evidence":"目标是下方“Focused”标题下的L形坐标图。边界框覆盖坐标轴、五个底座位置、中央高柱及其上方悬浮圆角块，不含标题。正点分布在悬浮块、高柱、左轴和底部多个位置；负点位于标题、上方图表及左右外部背景。"}},{"name":"Lower-level observer","description":"White outlined stick figure walking along the lower-left horizontal path and stopping to look toward the trophy holder.","membership":"Includes the complete figure through walking, standing, and scaling; excludes the path and nearby text.","id":"obj_015","temporal":{"status":"found","start_s":11.0,"end_s":16.5,"reference_s":12.5,"evidence":"目标是左下方水平路径上的白色描边人形，先行走，再停下望向右上方持奖杯的人，并随镜头缩小持续可见。首个合格帧为11.00秒，最后为16.25秒；10.75秒仍在淡入，16.50秒已开始淡出。选择12.50秒作为关键帧，此时人形完整、清晰且无遮挡，易于与高处的持杯人区分。","start_frame":264,"end_frame":396,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[227.8,563.5,287,673.4],"positive_points":[[250,573],[265,601],[249,615],[261,635],[244,655],[277,666]],"negative_points":[[370,673],[328,526],[200,600],[796,250]],"evidence":"目标是左下方低处水平路径上、“Lucky”文字下方的白色行走人形。边界框紧贴完整头部、躯干、手臂和双腿；六个正点分布在这些身体部位，负点位于灰色路径、附近文字、左侧外部黑色背景及右上方另一人物上。"}},{"name":"Trophy holder","description":"White outlined stick figure standing on the high ledge at the right, holding a gold trophy as the view pulls back.","membership":"Includes the complete person through scaling; excludes the separately identified trophy and ledge.","id":"obj_016","temporal":{"status":"found","start_s":11.0,"end_s":16.5,"reference_s":11.5,"evidence":"目标是右侧高台上 holding gold trophy 的白色轮廓人物，仅包括人物，不包括奖杯和台沿。首个合格帧为11.00秒，10.75秒人物仍在淡入；随后镜头拉远，人物虽缩小但连续存在。最后合格帧为16.25秒，16.50秒开始淡出。选择11.50秒作为关键帧，人物较大、轮廓清楚，便于与奖杯和高台区分。","start_frame":264,"end_frame":396,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[776.9,239.6,824.1,352.1],"positive_points":[[794.4,249.5],[794.4,269.3],[808.3,280.7],[819.4,289.1],[807.4,320.3],[807.4,344.8]],"negative_points":[[781.5,293.2],[826.9,310.9],[888.9,352.1],[864.8,253.1]],"evidence":"目标是右侧高台上手持金色奖杯的白色人形。边界框紧贴人物头部、躯干、手臂及双腿，不包含奖杯和台沿。六个正点分布于人物可见部位；负点位于奖杯、底座、台沿及人物右侧背景。"}},{"name":"Gold trophy","description":"Yellow-gold handled cup with a star on its bowl and a brown-gold base, held by the figure on the high ledge.","membership":"Includes the complete trophy, handles, stem, base, and star detail; excludes the holder.","id":"obj_017","temporal":{"status":"found","start_s":11.0,"end_s":16.5,"reference_s":11.25,"evidence":"目标是高台上人物手持的金黄色双耳奖杯，杯身有星形图案，并带杯柄、杯脚和棕金色底座。11.0秒首次完成淡入，16.25秒为最后一个符合条件的帧；10.75秒奖杯仍在淡入，16.5秒开始淡出。期间镜头缩远 but奖杯持续存在。选11.25秒，奖杯较大、结构清晰，便于排除持杯人物进行标注。","start_frame":264,"end_frame":396,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[751.9,276,844.4,321.9],"positive_points":[[776.9,286.5],[783.3,294.3],[770.4,305.2],[790.7,278.6],[810.2,304.7],[825,313]],"negative_points":[[795.4,250],[807.4,272.4],[863.9,352.1],[723.1,291.7]],"evidence":"目标是高台人物手持的金黄色星纹奖杯。边界框紧贴杯身、两侧把手、杯柄及棕金色底座；六个正点分布于这些部件，负点位于持有者头部和身体、灰色平台及杯外黑色背景，排除人物与场景。"}},{"name":"Ledge and long staircase","description":"Gray path initially shown as a lower floor, a tall vertical rise, and an upper ledge; the pullback reveals many small steps descending from the ledge toward the lower right.","membership":"Includes the continuous gray floor, vertical rise, ledge, and stair segments. Follows the stepped outline without filling the surrounding black area; excludes people and trophy.","id":"obj_018","temporal":{"status":"found","start_s":11.0,"end_s":16.5,"reference_s":14.75,"evidence":"目标是人物脚下连续的灰色地面、垂直高差和上方 ledge，镜头拉远后可见向右下延伸的长阶梯；不包括人物和奖杯。11.00秒结构已完整显现，10.75秒仍在淡入。16.25秒是最后有效帧，16.50秒开始淡出。拉远是完整路径的缩放展示，不是逐段绘制。选择14.75秒，台沿与大量阶梯同时清晰可见，便于沿灰色轮廓标注。","start_frame":264,"end_frame":396,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[0,283.3,1000,712],"positive_points":[[120.4,367.2],[200,322.9],[233.3,284.9],[418.5,379.2],[684.3,530.7],[900.9,653.6]],"negative_points":[[65,350],[206,263],[490,340],[400,550]],"evidence":"目标是连续的灰色路径，由左侧地面、竖直高墙、顶部平台及向右下延伸的密集阶梯组成。边界框覆盖全部可见路径，左右均到达图像边缘。六个正点分布在地面、竖段、平台及阶梯不同位置；负点位于两个人物及路径外的黑色背景，不包含人物或奖杯。"}},{"name":"Lucky quotation","description":"Text reading \"\\\"Lucky\\\"\" above and to the right of the lower-level observer.","membership":"Includes the word and quotation marks only; excludes the observer and path.","id":"obj_019","temporal":{"status":"found","start_s":12.25,"end_s":13.25,"reference_s":12.5,"evidence":"目标是低处观察者上方偏右的“\"Lucky\"”文字及引号。12.25秒首次完全显现，13.0秒仍清晰完整；前一帧12.0秒文字尚在淡入，后一帧13.25秒已开始淡出。选12.5秒为��键帧，文字清晰且无遮挡，易于与人物和路径分开标注。","start_frame":294,"end_frame":318,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[308.3,518.2,436.1,536.5],"positive_points":[[312,521],[326,527.1],[343.5,528.1],[363.9,525.5],[381.5,526.6],[432.4,521]],"negative_points":[[371,502],[467,526],[250,573],[524,673]],"evidence":"目标是下层观察者右上方的“\"Lucky\"”文字。边界框紧贴单词及两侧引号；六个正点分布在引号和字母笔画上，负点位于文字外的黑色背景、下层人物头部和灰色路径上。"}},{"name":"The Luck heading","description":"White text reading \"The Luck:\" above the pulled-back view of the long staircase.","membership":"Includes only the heading text; excludes the staircase and figures.","id":"obj_020","temporal":{"status":"found","start_s":15.0,"end_s":16.5,"reference_s":15.5,"evidence":"目标为长阶梯拉远画面上方的白色 heading「The Luck:」，仅包含文字。15.0秒首次完成淡入，16.25秒为最后合格帧；此前14.75秒文字仍在淡入，此后16.5秒已开始淡出。选择15.5秒作为关键帧，文字完整清晰且无遮挡。","start_frame":360,"end_frame":396,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[407.4,157.3,592.6,174.0],"positive_points":[[418.5,161.5],[438.9,165.6],[467.6,166.7],[497.2,170.3],[543.5,167.2],[588.0,171.9]],"negative_points":[[499.1,144.8],[500.0,188.0],[379.6,165.6],[617.6,166.7]],"evidence":"目标是画面上方白色标题“The Luck:”。边界框紧贴整段文字并包含冒号；六个正点分布在不同字符的可见笔画上，四个负点位于标题外围的黑色背景，不包含阶梯或人物。"}},{"name":"Today heading","description":"White \"Today\" label above the leftmost object-pushing demonstration.","membership":"Includes the letters only; excludes glow, figure, and cube.","id":"obj_021","temporal":{"status":"found","start_s":17.25,"end_s":21.0,"reference_s":19.0,"evidence":"目标是左侧推方块演示上方的白色“Today”字母，不包括光晕。17.25秒首次完整清晰呈现，20.75秒是最后一个符合条件的帧；此前17.0秒仍在淡入，此后21.0秒开始淡出。选择19.0秒为关键帧，文字清楚且没有遮挡，与其他标题易于区分。","start_frame":414,"end_frame":504,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[166.7,442.2,270.4,460.9],"positive_points":[[176.9,444],[177.2,453.6],[192.6,451.6],[228.2,447.4],[249.6,452.7],[261.1,458.1]],"negative_points":[[218,423],[218,478],[156,520],[230,563]],"evidence":"目标是左侧演示上方的白色“Today”标题。边界框紧贴完整字母范围，不包括外围光晕；六个正点分布在各字母笔画上，四个负点位于标题外的黑色背景、下方人物和方块上。"}},{"name":"Today figure","description":"Leftmost small gray-and-white stick figure straining to move a large sharp-cornered cube.","membership":"Includes the entire figure through pushing and crouching poses; excludes the cube, heading, and baseline.","id":"obj_022","temporal":{"status":"found","start_s":17.25,"end_s":21.0,"reference_s":18.25,"evidence":"目标是“Today”标题下、位于最左侧并推动尖角立方体的小人，仅包括人体。17.25秒首次完整显现，至20.75秒持续可见，包括推举与蹲伏姿态；17.0秒仍在淡入，21.0秒已开始淡出。选择18.25秒，小人轮廓清楚，身体与立方体容易区分。","start_frame":414,"end_frame":504,"reference_frame":438},"grounding":{"status":"found","bbox_xyxy":[157.4,514.1,198.1,586.5],"positive_points":[[169.4,520.8],[178.7,538.5],[191.7,542.7],[179.6,554.2],[167.6,573.4],[186.1,575.5]],"negative_points":[[250,546.9],[212,450.5],[134.3,551],[324,585.4]],"evidence":"目标是“Today”下方、尖角立方体左侧的小人。边界框紧贴其头部、躯干、手臂和双腿；六个正点分布于这些身体部位。负点位于立方体、标题、左侧背景及远离小人的基线上，排除这些非目标内容。"}},{"name":"Sharp-cornered cube","description":"Large shaded square-faced cube in the \"Today\" demonstration, rocking between tilted and upright positions.","membership":"Includes the complete cube surface and outer boundary through rotation; excludes the pushing figure and ground line.","id":"obj_023","temporal":{"status":"found","start_s":17.25,"end_s":21.0,"reference_s":18.75,"evidence":"目标是左侧“Today”下方由人物推动的 sharp-cornered 方块，与中间圆角块和右侧球体可区分；包含旋转中的完整表面及轮廓，不含人物和地线。17.25秒首次完整显现，20.75秒为最后合格帧；此前17.0秒仍在淡入，此后21.0秒开始淡出。选18.75秒，方块接近直立，尖角与外轮廓清晰，便于标注。","start_frame":414,"end_frame":504,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[175.9,529.7,274.1,584.9],"positive_points":[[188,536.5],[259.3,536.5],[223.1,552.1],[191.7,577.1],[261.1,577.6],[237,566.7]],"negative_points":[[152.8,541.7],[324.1,585.9],[509.3,552.1],[222.2,510.4]],"evidence":"目标是左侧“Today”下方、人物右边的直角方块。边界框紧贴方块的完整可见表面与外轮廓；六个正点分布在其上部暗面、中部渐变和下部亮面。负点位于左侧人物、右侧地面线、中间圆角块及方块上方背景，排除这些非目标区域。"}},{"name":"In a month heading","description":"White \"In a month\" label above the middle pushing demonstration.","membership":"Includes only the text; excludes glow and adjacent graphics.","id":"obj_024","temporal":{"status":"found","start_s":17.25,"end_s":21.0,"reference_s":18.25,"evidence":"目标是中间推动物体演示上方的白色“In a month”文字，不包括光晕或旁边图形。17.25秒文字已完整清晰呈现，20.75秒仍完整可见；紧邻此前的17.0秒仍在淡入，紧邻其后的21.0秒开始淡出。选择18.25秒作为关键帧，文字清晰、无遮挡，易于与两侧 headings 区分。","start_frame":414,"end_frame":504,"reference_frame":438},"grounding":{"status":"found","bbox_xyxy":[400.9,442.2,592.6,457.8],"positive_points":[[403.7,449.5],[458.3,452.1],[479.6,451.6],[515.7,447.4],[559.3,451.0],[575.9,451.6]],"negative_points":[[217.6,450.0],[785.2,450.0],[510.2,552.6],[496.3,421.4]],"evidence":"目标是中间推物体示意图上方的白色“In a month”。边界框紧贴整段文字，不包含外围辉光；六个正点分布于不同字母的实笔画上，负点位于左右其他标题、中间物体及文字上方的外部背景。"}},{"name":"In a month figure","description":"Middle stick figure pushing a large rounded-corner block.","membership":"Includes the complete figure through pose changes; excludes the block, heading, and baseline.","id":"obj_025","temporal":{"status":"found","start_s":17.25,"end_s":21.0,"reference_s":18.0,"evidence":"目标是“In a month”标题下、推动圆角方块的中间火柴人，仅包括人物。首个合格帧为17.25秒，人物完整且淡入已结束；17.0秒仍在淡入。最后合格帧为20.75秒，21.0秒人物开始随场景淡出。选18.0秒作关键帧，人物轮廓及推 block 的姿势清晰，便于与方块、标题和基线分离。","start_frame":414,"end_frame":504,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[402,518,486,588],"positive_points":[[439,527],[467,538],[433,549],[425,564],[410,581],[446,580]],"negative_points":[[513,559],[497,450],[577,585],[378,550]],"evidence":"目标是“In a month”标题下方、推着圆角方块的中间人形。边界框覆盖其头部、躯干、伸出的手臂和双腿，不包含方块、标题或基线。正点分布在上述身体部位，负点位于方块、标题、远离人形的基线及左侧外部背景。"}},{"name":"Rounded-corner block","description":"Large shaded block with strongly rounded corners in the middle \"In a month\" demonstration.","membership":"Includes the complete rounded block and its shaded surface through rocking and rotation; excludes the figure and baseline.","id":"obj_026","temporal":{"status":"found","start_s":17.25,"end_s":21.0,"reference_s":18.25,"evidence":"目标是中间“In a month”演示中、人物右侧带阴影的大圆角块，不包含人物和基线。17.25秒首次完整清晰呈现，之后摇摆、旋转均保持同一对象，20.75秒为最后合格帧；此前17.0秒仍在淡入，之后21.0秒已开始淡出。选择18.25秒作为关键帧，圆角块接近直立，轮廓清楚、遮挡较少。","start_frame":414,"end_frame":504,"reference_frame":438},"grounding":{"status":"found","bbox_xyxy":[451,529.2,551,584.9],"positive_points":[[490.7,534.4],[533.3,541.1],[537,568.8],[505.6,579.2],[465.7,569.3],[485.2,554.7]],"negative_points":[[438.9,525.5],[255.6,552.1],[589.8,551.6],[605.6,586.5]],"evidence":"目标是中间“In a month”下方、人物右侧的圆角立体块。边界框紧贴其可见外缘，覆盖圆角及明暗表面，不包含人物和基线。六个正点分布于块体上部、中部及下部表面；负点位于人物头部、左侧方块、右侧外部背景和远离目标的基线上。"}},{"name":"In a year heading","description":"White \"In a year\" label above the rightmost demonstration.","membership":"Includes only the text; excludes glow, figure, and sphere.","id":"obj_027","temporal":{"status":"found","start_s":17.25,"end_s":21.0,"reference_s":18.75,"evidence":"目标是右侧演示上方的白色“In a year”文字，仅计文字本身。17.25秒首次完整清晰显示，20.75秒仍完整显示；前一帧17.00秒处于淡入阶段，下一帧21.00秒文字开始淡出。选择18.75秒为关键帧，文字清晰、无遮挡，易于与下方人物和球体区分。","start_frame":414,"end_frame":504,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[714,442,862,461],"positive_points":[[718,450],[731,451],[771,453],[795,453],[818,451],[853,453]],"negative_points":[[787,425],[901,451],[874,555],[700,546]],"evidence":"目标为右侧演示上方的白色“In a year”标题。边界框紧贴整段文字，不含外侧光晕；六个正点分布在文字笔画上，负点位于标题外的黑色背景及下方人物、球体上。"}},{"name":"In a year figure","description":"Rightmost small stick figure running behind a rolling sphere.","membership":"Includes the complete figure through running poses; excludes the sphere, heading, and ground line.","id":"obj_028","temporal":{"status":"found","start_s":17.25,"end_s":21.0,"reference_s":18.25,"evidence":"目标是「In a year」标题下、跟在圆球后方奔跑的最右侧小人，不包括圆球、标题和地面线。17.25秒首次完整清晰呈现，至20.75秒仍完整可见；前一帧17.00秒尚在淡入，后一帧21.00秒开始淡出。选取18.25秒，小人四肢和轮廓清楚，与圆球分离，便于空间标注。","start_frame":414,"end_frame":504,"reference_frame":438},"grounding":{"status":"found","bbox_xyxy":[687,523,732,590],"positive_points":[[710,530],[700,544],[723,551],[700,558],[715,569],[698,582]],"negative_points":[[875,556],[788,452],[666,548],[785,586]],"evidence":"目标是右侧“In a year”标题下、球体左方的奔跑小人。边界框紧贴其头部、躯干、手臂和双腿；六个正点分布在这些身体部位，负点位于球体、标题、左侧背景及远离小人的地面线上。"}},{"name":"Rolling sphere","description":"Large shaded sphere rolling beside the running figure in the \"In a year\" demonstration.","membership":"Includes the sphere's circular boundary and entire visible surface; excludes the figure and ground line.","id":"obj_029","temporal":{"status":"found","start_s":17.25,"end_s":21.0,"reference_s":18.0,"evidence":"目标是「In a year」演示中跑步人物右侧的大型明暗渐变球体，不包括人物和地面线。17.25秒首次完整且清晰呈现，20.75秒为最后合格帧；此前17.0秒仍在淡入，之后21.0秒已开始淡出。选择18.0秒为关键帧，球体圆形轮廓完整，与人物分离，便于标注。","start_frame":414,"end_frame":504,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[819.4,529.7,916.7,584.4],"positive_points":[[842,546],[866,535],[902,553],[857,569],[884,578],[881,555]],"negative_points":[[701,546],[949,586],[861,509],[945,556]],"evidence":"目标是“In a year”下方、奔跑人物右侧的明暗渐变球体。边界框紧贴球体的圆形可见轮廓，六个正点分散覆盖球面；负点位于左侧人物、远离球体的地面线及球体外部背景，不包含人物或地面线作为目标。"}},{"name":"Ladder-scene SUCCESS heading","description":"White uppercase \"SUCCESS\" near the top center between the two ladders.","membership":"Includes only the letters; excludes glow, ladders, and other text.","id":"obj_030","temporal":{"status":"found","start_s":21.75,"end_s":26.5,"reference_s":22.0,"evidence":"目标为两侧梯子之间、画面上方中央的白色大写“SUCCESS”，仅指字母。21.75秒首次完成淡入，26.25秒为最后合格帧；前一帧21.5秒文字仍在淡入，后一帧26.5秒已开始淡出。选择22.0秒为关键帧，字形清晰完整且无遮挡，易于与梯子及下方文字区分。","start_frame":522,"end_frame":636,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[409.3,143.2,592.6,159.9],"positive_points":[[418.5,145.8],[438.9,149.5],[468.5,150.5],[496.3,150.5],[524.1,151.0],[583.3,156.8]],"negative_points":[[463.0,125.0],[625.0,151.0],[370.4,151.0],[500.0,179.7]],"evidence":"目标是两架梯子之间、画面上方中央的白色大写“SUCCESS”。边界框紧贴整行字母，不包含外围光晕。六个正点分散落在字母笔画上，四个负点位于文字上方、下方及左右的外部黑色背景。"}},{"name":"Left ladder","description":"Tall narrow ladder on the left, initially with a large gap above its bottom rung; additional rungs appear within that gap.","membership":"Includes both rails, all attached or emerging rungs, and areas enclosed by completed rail-and-rung cells. Excludes the climber and detached incoming rung segments until they join the ladder.","id":"obj_031","temporal":{"status":"found","start_s":21.75,"end_s":26.5,"reference_s":22.0,"evidence":"目标是画面左侧的高窄梯子，底部横档上方 initially 存在大间隔，随后在该间隔内增加横档；不包括攀爬人物及尚未连接的横档。21.75秒首次完成淡入，26.25秒为最后合格帧；此前21.5秒仍在淡入，之后26.5秒梯子开始淡出。新增横档不改变梯子身份。选择22秒，双侧梯腿、横档与底部大间隔清晰可见，便于空间标注。","start_frame":522,"end_frame":636,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[110,0,275,753],"positive_points":[[113,65],[188,148],[192,278],[270,412],[148,689],[195,747]],"negative_points":[[203,536],[805,337],[65,510],[490,620]],"evidence":"目标为画面左侧的高窄梯子。框覆盖从图像顶边延伸到底部的两条梯轨、全部已连接横档及闭合梯格内部。正点分布于梯轨、横档和梯格内部；负点��于明确排除的左侧攀爬者、右侧梯子及外部黑色背景。"}},{"name":"Left ladder climber","description":"Gray stick figure at the bottom of the left ladder, initially unable to reach the high rung, then climbing after smaller steps are added.","membership":"Includes the complete figure through jumps, standing, and climbing; excludes ladder rails and rungs.","id":"obj_032","temporal":{"status":"found","start_s":21.75,"end_s":26.5,"reference_s":25.5,"evidence":"目标是左侧梯子上的灰色人形：先跳起够高横档，落地后沿新增的小横档攀爬。21.75秒首次完成淡入，26.25秒为最后合格帧；此前21.5秒仍在淡入，此后26.5秒开始淡出。选择25.5秒，人形正沿左梯攀爬，头、躯干和四肢完整清晰，易与右侧人形区分。","start_frame":522,"end_frame":636,"reference_frame":612},"grounding":{"status":"found","bbox_xyxy":[114.8,437.5,232.4,619.8],"positive_points":[[169,452],[182,504],[129,485],[220,485],[153,574],[203,592]],"negative_points":[[270,540],[245,626.5],[817,540],[76,503]],"evidence":"目标是左侧梯子下部正在攀爬的灰色人形。边界框覆盖头部、躯干、双臂及一弯一直的双腿，不包含梯子。六个正点分布在这些身体部位；负点位于左梯立柱、下方横档、右侧人形及左侧外部背景。"}},{"name":"Right ladder","description":"Tall narrow ladder on the right with a large persistent gap between its bottom rung and the higher rungs.","membership":"Includes the rails, rungs, and areas enclosed by its rail-and-rung structure; excludes the climber and adjacent text.","id":"obj_033","temporal":{"status":"found","start_s":21.75,"end_s":26.5,"reference_s":24.0,"evidence":"目标是画面右侧的细长梯子，两条竖轨及横档清晰可见，最底横档与上方横档之间始终有大空隙；不包括攀爬者和文字。21.75秒为首次完成淡入的帧，26.25秒为最后 qualifying 帧；前一帧21.50秒仍在淡入，后一帧26.50秒开始整体淡出。选择24.00秒，梯子结构清楚，人物位于底部，对横档遮挡较少。","start_frame":522,"end_frame":636,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[723,0,890,758],"positive_points":[[726,105],[803,149],[804,240],[822,365],[847,511],[844,749]],"negative_points":[[801,646],[556,526],[269,380],[926,443]],"evidence":"目标是右侧底部横档与上方横档之间有明显大间隔的梯子。边界框覆盖从图像顶端延伸至底部的双侧梯轨、横档及其围合区域。正点分布在梯轨、横档和内部区域；负点位于被排除的人物、相邻文字、左侧梯子及右侧外部背景。"}},{"name":"Right ladder climber","description":"Gray stick figure at the bottom of the right ladder, repeatedly jumping to reach and hang from the first high rung.","membership":"Includes the complete figure through jumping and hanging poses; excludes the ladder.","id":"obj_034","temporal":{"status":"found","start_s":21.75,"end_s":26.5,"reference_s":22.0,"evidence":"目标是右侧梯子下方的灰色 stick figure，连续呈现跳起、抓住第一根高横档并悬挂的姿态，不包括梯子。21.75秒为淡入完成后的首个合格帧，26.25秒为最后合格帧；此前21.5秒仍在淡入，此后26.5秒开始整体淡出。选择22.0秒，右侧人物完整悬挂，四肢轮廓清楚，便于与梯子和左侧人物区分。","start_frame":522,"end_frame":636,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[753,446,870,655],"positive_points":[[812,486],[764,476],[859,478],[819,540],[794,633],[829,631]],"negative_points":[[727,562],[806,414],[926,552],[202,536]],"evidence":"目标是右侧梯子下方双臂举起、悬挂在横档上的灰色人形。边界框覆盖其双手、手臂、头部、躯干及双腿，不包含梯子。六个正点分布在头、双臂、躯干和双腿；负点位于梯子立柱与横档、右侧外部背景及左侧另一人形上。"}},{"name":"First-step message","description":"Centered two-line text reading \"The First Step Is Always The Hardest\" between the ladders.","membership":"Includes the complete text block only; excludes ladders, figures, and the separate message below.","id":"obj_035","temporal":{"status":"found","start_s":21.75,"end_s":26.5,"reference_s":22.0,"evidence":"目标是两把梯子之间居中的两行文字「The First Step Is Always The Hardest」，不包括下方的另一条消息。21.75秒文字已完整显现，26.25秒仍完整清晰；前一帧21.50秒尚在淡入，后一帧26.50秒已开始淡出。选择22.00秒作为关键帧，文字清晰且无遮挡，易于独立标注。","start_frame":522,"end_frame":636,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[318.5,416.7,681.5,450.5],"positive_points":[[327.8,418.2],[389.8,423.4],[585.2,425.5],[414.8,438.5],[477.8,442.7],[588.9,444.3]],"negative_points":[[500,397],[500,470],[270,435],[816,536]],"evidence":"目标是两架梯子之间居中的两行文字“The First Step Is Always / The Hardest”。边界框紧贴完整文字��，包含两行及行间空隙；六个正点分布在两行字形笔画上，负点位于文字上方、下方背景及左侧梯子和右侧人物上。"}},{"name":"Smaller-steps message","description":"Text progressively revealed as \"Break It Into Smaller Steps\" below the first-step message.","membership":"Includes the full text block as it appears; excludes ladder rungs and figures.","id":"obj_036","temporal":{"status":"found","start_s":23.75,"end_s":26.5,"reference_s":25.0,"evidence":"目标是两架梯子之间、第一步提示下方的“Break It Into Smaller Steps”完整文本。23.75秒首次完整显示，26.25秒为最后合格帧；此前23.5秒仍在逐字揭示，“Steps”尚未出现，之后26.5秒文本开始淡出。选择25.0秒作为关键帧，因为全文清晰、无遮挡，且与梯子和人物易于区分。","start_frame":570,"end_frame":636,"reference_frame":600},"grounding":{"status":"found","bbox_xyxy":[293.5,517.7,707.4,534.9],"positive_points":[[296.3,525],[398.1,525],[426.9,525],[499.1,520.3],[570.4,525],[698.1,530]],"negative_points":[[500,505],[500,548],[240,535],[815,529]],"evidence":"目标是首步提示下方的单行文字“Break It Into Smaller Steps”。边界框紧贴整行文字，包含字符间隔；六个正点分布在不同词的字形笔画上，负点位于文字上下的外部背景、左侧梯级及右侧人形上，以排除非目标内容。"}},{"name":"Failure-and-success prompt","description":"Upper text block beginning \"If you knew you had to fail 100 times before you succeeded\", later adding \"How fast would you want to fail?\" beneath it.","membership":"Includes the complete prompt and its later added question; excludes the separate \"SUCCESS\" heading and animation below.","id":"obj_037","temporal":{"status":"found","start_s":27.25,"end_s":33.0,"reference_s":29.75,"evidence":"目标是顶部以“If you knew you had to fail”开头的提示文字，包括后来出现的“How fast would you want to fail?”；不包括独立的“SUCCESS”。27.0秒文字仍在淡入，27.25秒首次完整清晰呈现；随后保留并新增问题，直到最后一帧32.75秒仍可见。区间到达视频结尾，没有后续帧。选29.75秒，因为提示和新增问题均完整清晰、无遮挡。","start_frame":654,"end_frame":792,"reference_frame":714},"grounding":{"status":"found","bbox_xyxy":[224.1,101,780.6,206.8],"positive_points":[[276,108.3],[713,108.3],[233.3,138.5],[770.4,137.5],[233.3,195.3],[757.4,196.4]],"negative_points":[[185,151],[505,234],[401,259],[514,495]],"evidence":"目标是上方三行白色提示文字，包含开头“If you knew…”及下方“How fast would you want to fail?”。边界框覆盖完整提示及行间空隙，不含独立的“SUCCESS”标题。六个正点分布在三行文字左右两侧的字形笔画上；负点位于框外黑色背景、SUCCESS标题和下方人物处。"}},{"name":"Final-scene SUCCESS heading","description":"Large white uppercase \"SUCCESS\" centered below the failure prompt and above the jumping figure.","membership":"Includes only the heading's letters; excludes the prompt, figure, and platforms.","id":"obj_038","temporal":{"status":"found","start_s":27.25,"end_s":33.0,"reference_s":29.5,"evidence":"目标是最终场景中位于失败提示下方、跳跃人物上方的白色大写“SUCCESS”，仅包含字母。27.25秒首次完全显现；此前27.00秒仍呈灰暗淡入状态。最后 qualifying 帧为32.75秒，标题仍完整可见，区间延伸至视频33.00秒结束，没有后续帧。选择29.50秒作为关键帧，标题清晰且无遮挡，易于与提示语和人物区分。","start_frame":654,"end_frame":792,"reference_frame":708},"grounding":{"status":"found","bbox_xyxy":[389.8,251.0,609.3,272.0],"positive_points":[[403.7,252.6],[424.1,260.4],[459.3,266.1],[490.7,260.9],[533.3,261.5],[596.3,270.3]],"negative_points":[[324.1,263.0],[657.4,263.0],[463.0,196.9],[509.3,487.0]],"evidence":"目标是失败提问下方、跳跃人物上方的白色大写“SUCCESS”。边界框紧贴整行标题字母；六个正点分布在字母笔画上，负点位于标题左右的外部背景、上方提问区域及下方人物上，均不包含字母内部空隙。"}},{"name":"Jumping figure","description":"White outlined stick figure in the final demonstration, repeatedly jumping over rectangular obstacles and ultimately standing on a rising green platform.","membership":"Includes the complete figure throughout its jumps and final standing pose; excludes all blocks, baseline, and text.","id":"obj_039","temporal":{"status":"found","start_s":27.25,"end_s":33.0,"reference_s":27.5,"evidence":"目标为最后一段演示中反复跃过矩形障碍、最终站在上升绿色平台上的白色描边火柴人，不包括平台和文字。27.00秒人物仍在淡入，27.25秒首次完整清晰呈现；随后连续出现至32.75秒。区间延伸到视频末尾33.00秒，没有后续采样帧。选27.50秒作为关键帧，人物全身凌空、轮廓清楚，与障碍物分离，便于标注。","start_frame":654,"end_frame":792,"reference_frame":660},"grounding":{"status":"found","bbox_xyxy":[436.1,378.6,577,484.4],"positive_points":[[518,389],[501,425],[526,409],[564,399],[464,470],[537,471]],"negative_points":[[375,423],[634,439],[501,526],[48,644]],"evidence":"目标是画面中央、“SUCCESS”下方腾空的白色人形。边界框紧贴其头部、躯干、伸出的手臂和双腿，覆盖完整可见人物。六个正点分布在这些身体部位，负点位于人物外围黑色背景及左下方红色障碍块上，不包含文字或基线。"}},{"name":"Initial failure block","description":"Rectangular block initially beneath the final demonstration's figure, turning visibly red and moving off the left side as the figure jumps.","membership":"Includes this block's full rectangular face and boundary through recoloring and movement; excludes the figure, baseline, and outcome label.","id":"obj_040","temporal":{"status":"found","start_s":27.25,"end_s":27.5,"reference_s":27.25,"evidence":"目标是最后演示中人物脚下的第一个红色矩形块，不含人物、地线和FAIL文字。27.25秒是首个及最后一个符合条件的采样帧：块体完整且已结束淡入，因此选作标注关键帧。前一帧27.00秒仍在淡入；后一帧27.50秒块体随人物起跳向左移出，已被画面左边界裁切。","start_frame":654,"end_frame":660,"reference_frame":654},"grounding":{"status":"found","bbox_xyxy":[431.5,595.8,556,694],"positive_points":[[447,609],[539,612],[489,637],[448,660],[537,674],[480,685]],"negative_points":[[498,549],[720,697],[500,260],[620,640]],"evidence":"目标是白色人物脚下的红色失败方块。边界框紧贴其完整矩形正面及边界，不含人物、灰色基线和结果文字。六个正点分布在红色块的上、中、下部；负点分别位于人物、基线、SUCCESS文字及右侧黑色背景。"}},{"name":"Second failure block","description":"Gray rectangular block next presented directly beneath the figure, subsequently shown red to the figure's left during the next jump.","membership":"Includes this block's complete face and boundary through movement and recoloring; excludes the figure and text.","id":"obj_041","temporal":{"status":"found","start_s":27.75,"end_s":29.0,"reference_s":28.0,"evidence":"目标是第一块红色失败方块之后，首次于27.75秒完整出现在人物下方的灰色矩形块；随后变红，并在28.75秒下一次跳跃时移至人物左侧，仍完整可见。27.50秒该块尚未出现；29.00秒它已离场，人物下方已换成新灰色块。选择28.00秒作为关键帧，目标面板和边界清晰，便于与人物、文字分离。","start_frame":666,"end_frame":696,"reference_frame":672},"grounding":{"status":"found","bbox_xyxy":[433.3,596.4,556.5,693.8],"positive_points":[[449,607],[530,615],[485,637],[543,652],[453,677],[515,686]],"negative_points":[[502,538],[398,630],[591,663],[480,736]],"evidence":"目标是人物脚下的灰色矩形块，边界框紧贴其完整可见块面，不含人物、底部横线或文字。六个正点分布于块面上、中、下部；负点位于人物、块外两侧黑色背景及下方红色文字上。"}},{"name":"Third failure block","description":"Gray rectangular obstacle next shown ahead of the airborne figure on the right, then red near the left edge after it is passed.","membership":"Includes this obstacle's complete rectangular surface and boundary; excludes the figure, baseline, and other obstacles.","id":"obj_042","temporal":{"status":"found","start_s":29.5,"end_s":30.25,"reference_s":29.5,"evidence":"目标是29.50秒出现在腾空人物右前方的完整灰色矩形障碍，随后移到人物脚下变红，并于30.00秒完整出现在左侧。29.25秒尚未出现此障碍，画面中央是前一个失败块；30.25秒该目标已消失，中央出现下一个灰色块。选择29.50秒为关键帧，因为目标边界清楚，且与人物和其他障碍分离。","start_frame":708,"end_frame":726,"reference_frame":708},"grounding":{"status":"found","bbox_xyxy":[703.7,596.35,825.93,694.27],"positive_points":[[720,609],[806,613],[736,641],[792,654],[720,680],[805,682]],"negative_points":[[502,486],[653,640],[882,639],[389,697]],"evidence":"目标是腾空人物右前方、立于水平基线上的灰色矩形障碍物。边界框紧贴其完整矩形表面及边缘，不包含基线。六个正点分布在矩形内部的上、中、下部；负点位于人物、障碍物两侧的外部背景及远处基线上。"}},{"name":"Outcome label","description":"Centered result text beneath the ground line, showing red \"FAIL\" during unsuccessful attempts and green \"WIN\" at the successful landing.","membership":"Includes only the displayed result word; excludes the block above it, baseline, and figure.","id":"obj_043","temporal":{"status":"found","start_s":28.0,"end_s":28.75,"reference_s":28.25,"evidence":"目标是地平线下方居中的红色“FAIL”结果词，不包含上方方块和人物。本次连续出现首次合格帧为28.00秒，最后为28.50秒；前��帧27.75秒没有该词，后一帧28.75秒该词已消失。28.25秒文字完整清晰、无遮挡，适合作为空间标注关键帧。","start_frame":672,"end_frame":690,"reference_frame":678},"grounding":{"status":"found","bbox_xyxy":[438,726.6,552,748.4],"positive_points":[[444.4,737.5],[456.5,729.2],[477.8,739.6],[491.7,740.1],[513.9,734.4],[540.7,745.8]],"negative_points":[[490,642],[630,696],[513,496],[607,738]],"evidence":"目标是地面线下方居中的红色“FAIL”。边界框紧密覆盖完整结果词，六个正点分布在四个字母的实际笔画上；负点位于上方方块、地面线、人物及文字右侧背景，均不属于结果词。"}},{"name":"Winning platform","description":"Rectangular platform beneath the figure at the successful landing, changing from muted green-gray to bright green and growing vertically.","membership":"Includes the platform's complete rectangular face and boundary throughout recoloring and upward growth; excludes the figure standing on it and the \"WIN\" label.","id":"obj_044","temporal":{"status":"found","start_s":31.0,"end_s":33.0,"reference_s":32.25,"evidence":"目标是成功落脚时人物脚下的矩形平台：31.00秒已在画面右侧完整出现，随后移至人物下方，从灰色变为绿色并向上增高。30.75秒仅见前一个红色平台，尚无完整的目标平台。最后 qualifying 帧为32.75秒，目标仍完整可见； interval 达视频末尾33.00秒，之后无采样帧。选择32.25秒，平台呈亮绿色、矩形边界清楚，易与人物和“WIN”文字分开标注。","start_frame":744,"end_frame":792,"reference_frame":774},"grounding":{"status":"found","bbox_xyxy":[432.4,544.8,555.6,694.3],"positive_points":[[451,560],[532,581],[478,610],[538,647],[450,674],[509,685]],"negative_points":[[514,444],[465,737],[393,601],[596,653]],"evidence":"目标是人物脚下的亮绿色矩形平台。边界框紧贴平台完整矩形面及边缘，不包含人物、下方的“WIN”文字或水平地面线。六个正点分散在平台内部，负点位于人物、“WIN”文字及平台两侧的黑色背景上。"}}]}
+{"video_id":148,"video_type":"visual design and media animation","targets":[{"name":"ADHD medication bottle","description":"Oversized orange prescription bottle with a white cap and a white label reading “How Does ADHD Medication Work?”, held in the opening foreground.","membership":"Include the bottle body, cap, label, and all printed content. Exclude the holding hand, the seated person, and the background.","id":"obj_001","temporal":{"status":"found","start_s":0.0,"end_s":0.5,"reference_s":0.0,"evidence":"目标是开场前景的橙色处方药瓶，具有白色瓶盖及印着“How Does ADHD Medication Work?”的白色标签。首个合格帧为0.00秒，最后为0.25秒；0.50秒药瓶向左移动后已被画面左边界裁切，0.75秒进一步移出并变暗。区间 reaches视频开头，无更早采样帧。选择0.00秒，药瓶结构完整、文字清楚，易于排除手部和背景人物。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[14,81,764,701],"positive_points":[[398,128],[398,234],[370,331],[120,396],[395,465],[333,661]],"negative_points":[[12,417],[731,372],[798,503],[882,89]],"evidence":"目标是前景中带白色瓶盖、橙色瓶身及“How Does ADHD Medication Work?”白色标签的大药瓶。边界框紧贴瓶盖和瓶身的可见外缘；正点分布于瓶盖、橙色瓶身、标签及印字，负点位于两侧持瓶手、右侧人物头部和上方紫色背景，均不属于药瓶。"}},{"name":"Red-haired cartoon person","description":"The opening person wears a green shirt and blue trousers and sits with a laptop. The same recognizable red-haired head is then presented alone, changing from a surprised to a pleased expression.","membership":"Include the visible silhouette of the person, including clothing, hair, face, and limbs when shown. During the head-only presentation, include only the head and hair. Exclude the laptop, bottle, surrounding particles, and speech bubble.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":3,"reference_s":2,"evidence":"目标是开场穿绿衣、蓝裤并坐着使用笔记本电脑的红发人物，随后连续转为同一红发头像，表情由惊讶变为满意。首个合格帧为0.00秒，最后为2.75秒；3.00秒头像被脑图标替换。区间从视频起点开始，没有更早的采样帧。选择2.00秒作为关键帧，头部和头发轮廓完整清晰，无遮挡，易于排除周围粒子和气泡。","start_frame":0,"end_frame":72,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[286,369,719,606],"positive_points":[[454,403],[337,553],[668,562],[497,491],[483,576],[643,534]],"negative_points":[[749,362],[136,589],[231,488],[506,646]],"evidence":"图中目标是中央闭眼微笑的红发卡通头像。边界框紧贴头发、脸部和耳朵的完整可见轮廓；六个正点分布在头发、脸颊、下巴及耳部。负点位于右上方对话气泡、��下方粒子以及头像左侧和下方的紫色背景，排除这些非人物区域。"}},{"name":"Purple laptop","description":"Open purple laptop with a pale droplet-shaped lid emblem, resting on the opening person's lap.","membership":"Include the display housing, emblem, hinge, and keyboard base. Exclude the user's hands, clothing, and seat.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.5,"evidence":"目标是开场人物腿上的紫色打开的笔记本电脑，盖板有浅色水滴徽标，可见铰链和键盘底座。首个合格帧为0.00秒，最后为0.50秒；0.75秒时电脑随开场画面开始淡出，故排除。区间起于视频开头，无更早采样帧。选0.50秒，电脑轮廓、徽标及底座较清楚，便于标注并排除手臂和衣物。","start_frame":0,"end_frame":18,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[409,688,792,777],"positive_points":[[455,724],[563,714],[594,754],[521,735],[622,727],[734,756]],"negative_points":[[710,729],[789,663],[289,762],[528,818]],"evidence":"目标是人物膝上打开的紫色笔记本电脑，外壳带浅色水滴徽标。框覆盖可见屏幕外壳、徽标、铰链及键盘底座；六个正点分布在这些部件上，负点分别位于手、绿色衣服、座椅和裤子上，排除非电脑区域。"}},{"name":"Dopamine heading","description":"Large “Dopamine” heading above the isolated cartoon head, displayed against a yellow rounded backing.","membership":"Include only the lettering. Exclude the yellow backing, head, and surrounding dots.","id":"obj_004","temporal":{"status":"found","start_s":1.0,"end_s":2.5,"reference_s":1.25,"evidence":"目标是孤立 cartoon 头像上方、黄色圆角底板内的紫色“Dopamine”字样，仅计 lettering。首个完整显示帧为1.00秒，最后 qualifying 帧为2.25秒；此前0.75秒仍在场景过渡，标题尚未完整出现，此后2.50秒标题及底板已消失。选择1.25秒作为关键帧，字样完整清晰、无遮挡，易于与底板及头像区分。","start_frame":24,"end_frame":60,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[279.6,209.9,725,257.8],"positive_points":[[287,227.6],[350.9,233.9],[409.3,248.4],[523.1,234.9],[631.5,234.4],[698.1,242.7]],"negative_points":[[240.7,231.8],[753.7,231.8],[495.4,197.9],[503.7,410.4]],"evidence":"目标是卡通头像上方黄色圆角底板中的“Dopamine”标题。边界框紧贴整段文字，仅覆盖字母范围；六个正点分布在不同字母的笔画上，负点位于文字外围的黄色底板及下方头像上，排除这些非目标内容。"}},{"name":"Narration subtitles","description":"Continuously updated lower-screen narration, beginning with “Your brain” and continuing through the explanations of reward processing and ADHD medications.","membership":"Include the current subtitle lettering and its black outline, across all lines. Exclude the underlying illustrations, labels, and panels.","id":"obj_005","temporal":{"status":"found","start_s":1.0,"end_s":30.0,"reference_s":1.0,"evidence":"目标是画面下方持续更新的白色、黑色描边旁白字幕，不包括图示内标签。首个合格帧为1.00秒，完整显示“Your brain”；前一帧0.75秒尚无旁白字幕。之后字幕持续更新，最后合格帧29.75秒显示“transporter proteins”，区间延至视频结尾30.00秒，无后续帧可检查。选择1.00秒作为关键帧，字幕完整清晰，背景干净且无遮挡。","start_frame":24,"end_frame":720,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[370.4,718.8,629.6,744.8],"positive_points":[[385.2,727.6],[413.9,734.9],[444.4,736.5],[501.9,726.0],[555.6,734.4],[602.8,735.4]],"negative_points":[[324.1,731.8],[685.2,731.8],[500,687.5],[500,550]],"evidence":"目标是画面下方的当前旁白字幕“Your brain”。边界框紧贴整段白色字母及黑色描边；六个正点分布在不同字母笔画上，负点位于字幕两侧、上方紫色背景及明确排除的人脸插画上。"}},{"name":"Dope speech bubble","description":"Small white speech bubble reading “Dope!” above and to the right of the smiling cartoon head.","membership":"Include the white bubble, its tail, and its text. Exclude the head and nearby yellow particles.","id":"obj_006","temporal":{"status":"found","start_s":1.75,"end_s":2.5,"reference_s":2.0,"evidence":"目标是微笑卡通头像右上方、写有“Dope!”的白色气泡，包括尾巴和文字。首次完整出现于1.75秒，最后 qualifying 帧为2.25秒；前一帧1.5秒尚无气泡，后一帧2.5秒气泡已消失。选择2.0秒作为关键帧，因为气泡完整清晰且无遮挡，易于与头像和黄色粒子区分。","start_frame":42,"end_frame":60,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[639.8,335.9,847.2,415.6],"positive_points":[[665.7,358.9],[695.4,379.7],[750,343.2],[825,362],[740.7,365.1],[717.6,401.6]],"negative_points":[[624.1,453.1],[887,363.5],[760.2,421.9],[609.3,349.5]],"evidence":"目标是卡通头部��上方写着“Dope!”的白色对话气泡。边界框紧贴气泡主体及向下弯曲的尾巴，包含文字。正点分布在白色主体、文字和尾巴上；负点位于头部、右侧黄色粒子及气泡外的紫色背景上。"}},{"name":"Pink brain symbol","description":"Front-facing pink brain with darker folds, enclosed by a thick yellow arch-shaped outline. It first appears alone and then occupies the center of the activity diagram.","membership":"Include the brain, yellow outer boundary, and enclosed area. Exclude the outward connecting lines, surrounding activity circles, and subtitles.","id":"obj_007","temporal":{"status":"found","start_s":3.0,"end_s":6.75,"reference_s":4.25,"evidence":"目标是带深粉色脑回、由粗黄色拱形边框包围的正面粉色大脑。3.00秒首次完整出现，随后持续位于活动关系图中心；最后符合条件的帧为6.50秒。此前2.75秒显示的是人物头像，尚无该大脑；此后6.75秒切换为数学作业卡片，目标消失。选择4.25秒作为关键帧，脑图及黄色边界完整清晰、无遮挡，便于排除向外延伸的连接线和周围活动圈。","start_frame":72,"end_frame":162,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[331.5,367.2,669.4,514.6],"positive_points":[[445,429],[552,426],[430,477],[558,477],[505,375],[655,455]],"negative_points":[[516,353],[647,533],[290,436],[730,482]],"evidence":"目标位于活动图中央，是带深粉色褶皱的正面脑图标。边界框紧贴黄色拱形外框，包含脑、黄色边界及其围合区域。六个正点分布在脑的左右部分和黄色边界上；负点位于向外连接线及右侧外部背景，排除周围活动圆圈和字幕。"}},{"name":"Handheld gaming activity","description":"Upper activity circle containing a white and purple handheld game console with a turquoise screen.","membership":"Include the circular boundary and everything it encloses, including the console. Exclude the connecting line and dots outside the circle.","id":"obj_008","temporal":{"status":"found","start_s":3.75,"end_s":6.75,"reference_s":4.25,"evidence":"目标是上方紫色圆环及其内部的白紫色掌机，屏幕为青绿色，不包括连接线和圆外黄点。3.75秒首次完整呈现，前一帧3.50秒尚未出现；6.50秒仍完整可见，下一帧6.75秒已切换为作业卡片场景。后段变暗是活动高亮切换，圆环及掌机仍持续存在。选择4.25秒作为关键帧，目标清晰、无遮挡，易与其他活动圆圈区分。","start_frame":90,"end_frame":162,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[402,58,687,219],"positive_points":[[544,65],[414,139],[674,140],[545,211],[550,116],[524,156]],"negative_points":[[534,230],[724,129],[370,80],[566,36]],"evidence":"目标是图像上方包围白紫色掌机及青绿色屏幕的紫色圆圈。边界框紧贴整个圆形外缘，包含圆内全部内容。正点分布在圆周和掌机上；负点位于圆外连接线的黄色圆点及外围背景，排除圆外连接部分。"}},{"name":"Cooking activity","description":"Upper-left activity circle containing a light-blue lidded cooking pot with handles and steam puffs. Its ring later becomes yellow while other activities dim.","membership":"Include the circular boundary and its enclosed pot graphic and steam. Exclude the connecting line, external signal dots, and other activity circles.","id":"obj_009","temporal":{"status":"found","start_s":3.25,"end_s":6.75,"reference_s":5.25,"evidence":"目标是左上方内含浅蓝色带盖锅、把手和蒸汽的活动圆圈，外环随后变黄。3.25秒首次完整呈现，3.00秒仅有中央大脑，尚无该圆圈；6.50秒仍完整可见，6.75秒已切换为数学作业卡片。选择5.25秒为关键帧：黄色圆环和锅及蒸汽清晰无 occlusion，其他活动已变暗，便于区分。","start_frame":78,"end_frame":162,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[44.4,147.4,372.2,332.3],"positive_points":[[208,155],[57,241],[260,317],[202,246],[200,213],[111,214]],"negative_points":[[368,356],[526,142],[419,244],[200,112]],"evidence":"目标是左上方黄色圆环内的浅蓝色带盖锅及蒸汽。边界框紧贴圆环外缘，覆盖锅、把手和蒸汽，不含连接线及外部信号点。正点分布在圆环、锅身、锅盖和蒸汽上；负点位于外部信号点、上方游戏机及圆环外背景。"}},{"name":"Dental-care activity","description":"Upper-right activity circle containing a teal cup with a red toothbrush and an orange toothpaste tube.","membership":"Include the circle's boundary and enclosed cup, toothbrush, and tube. Exclude its external connector and signal dots.","id":"obj_010","temporal":{"status":"found","start_s":3.75,"end_s":5.0,"reference_s":4.25,"evidence":"目标是脑图右上方的紫色活动圆圈，内含青绿色杯子、红色牙刷和橙色牙膏管，不含外部连线及信号点。3.75秒首次完整呈现，4.75秒是最后一个符合条件的帧；3.50秒仍处于小圆形遮罩展开阶段，内���尚未完整揭露，5.00秒开始变暗淡出。选择4.25秒作为关键帧，圆圈及内部物品清晰且无遮挡。","start_frame":90,"end_frame":120,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[677.8,227.6,963,387.5],"positive_points":[[819,234],[949,307],[821,380],[821,331],[786,273],[843,285]],"negative_points":[[654,379],[692,365],[940,215],[983,320]],"evidence":"目标是右上方的牙齿护理活动圆圈，内有青绿色杯子、红色牙刷和橙色牙膏管。边界框紧贴紫色圆环外缘；正点分布在圆环及三件用品上，负点位于圆外连接线、黄色信号点和外部背景，未标记圆内空隙。"}},{"name":"Watering activity","description":"Left-side activity circle containing a green watering can, partly cropped by the image edge.","membership":"Include the visible circular boundary and enclosed watering-can illustration. Exclude the connector extending toward the brain.","id":"obj_011","temporal":{"status":"found","start_s":3.5,"end_s":6.5,"reference_s":4.25,"evidence":"目标是脑图左侧的紫色活动圆圈及其中的绿色浇水壶，不包括连接线；圆圈左缘的裁切属于指定设计。3.50秒首次完整建立，3.25秒尚未出现。6.25秒为最后合格帧；6.50秒图组移出，浇水壶自身也被左边界截断，随后被卡牌场景替换。中途变暗只是活动强调变化。选择4.25秒，圆圈和浇水壶清晰、无遮挡。","start_frame":84,"end_frame":156,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[0,345.8,224.1,505.7],"positive_points":[[83,353],[207,412],[141,492],[65,434],[34,403],[145,436]],"negative_points":[[257,435],[23,323],[37,531],[450,431]],"evidence":"目标是左侧被画面边缘裁切的浇水活动圆圈。边界框紧贴可见紫色圆环及其内部绿色浇水壶；正点分布在圆环、壶身、把手和壶嘴上。负点位于通向大脑的连接线、圆圈外背景及大脑图案上，排除这些非目标内容。"}},{"name":"Tax paperwork activity","description":"Lower-left activity circle containing a small stack of papers headed “TAXES”.","membership":"Include the circular boundary and all enclosed paperwork and lettering. Exclude the external connector and overlaid subtitles.","id":"obj_012","temporal":{"status":"found","start_s":3.75,"end_s":6.75,"reference_s":4.25,"evidence":"目标是左下方紫色圆环及其内部标有“TAXES”的纸张堆，不包括外部连接线和字幕。3.75秒首次完整出现，3.50秒尚未出现；6.50秒仍完整可见，6.75秒切换为作业卡片场景。期间变暗是其它活动被强调，并非目标退出。选择4.25秒，因为圆环和纸张清晰，字幕遮挡较少。","start_frame":90,"end_frame":162,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[142,586,427,747],"positive_points":[[283,593],[154,655],[414,670],[203,724],[267,643],[292,680]],"negative_points":[[370,567],[100,670],[500,735],[500,450]],"evidence":"目标是左下方包围“TAXES”纸张堆的紫色活动圆圈。边界框紧贴圆圈外缘，涵盖圈内纸张和文字，不包含外接连线及覆盖字幕。六个正点分布在圆环和纸张文字上；负点位于圈外背景、外接连线、字幕区域及中央脑图上。"}},{"name":"Exercise activity","description":"Lower-right activity circle containing a turquoise and purple dumbbell.","membership":"Include the circular boundary and its enclosed dumbbell illustration. Exclude the external connector and signal dots.","id":"obj_013","temporal":{"status":"found","start_s":3.5,"end_s":6.75,"reference_s":4.25,"evidence":"目标是脑图右下方的紫色圆圈及其中青绿色、紫色哑铃，不含连接线和黄色信号点。3.50秒首次完整呈现，前一帧3.25秒尚未出现；之后虽随其他活动被强调而变暗，圆圈及哑铃仍持续可见。最后符合条件的帧为6.50秒，6.75秒已切换到作业卡片场景。选择4.25秒为关键帧，目标完整清晰、无遮挡，易于标注。","start_frame":84,"end_frame":162,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[676,561.5,961.1,721.9],"positive_points":[[819,568.5],[949,640.6],[819,715],[691,645.8],[769,658.3],[853,629.2]],"negative_points":[[661,543],[630,651],[973,758],[511,438]],"evidence":"目标是右下方含青绿色、紫色哑铃的活动圆圈。边界框紧贴紫色圆环外缘，覆盖圆环及内部哑铃，不包含外接连线和黄色信号点。正点分布在圆环四周及哑铃两端；负点位于外部黄色信号点、圆圈外背景和中央大脑图案上。"}},{"name":"Math Homework reward card","description":"Green, gold-bordered trading-card-style panel titled “Math Homework”, with “HP30”, a frustrated person writing, and star ratings for “Immediate Reward”, “Long-Term Reward”, and “Effort”. It later remains behind the Instagram card.","membership":"Include the entire card surface, border, illustration, text, rating stars, and small printed symbols. Exclude other overlapping cards, the surrounding background, and subtitles.","id":"obj_014","temporal":{"status":"found","start_s":7.25,"end_s":14.25,"reference_s":8.75,"evidence":"目标是绿色金边的“Math Homework”卡片，含 HP30、烦恼着写字的人物和三行星级评分。7.25 秒首次完整入镜；此前 7.00 秒卡片仍被画面边界裁切。随后它持续存在，包括被 Instagram 卡片遮挡、随手机缩小的阶段；最后合格帧为 14.00 秒，14.25 秒开始随手机向右移出并被边界裁切。选择 8.75 秒作为关键帧，卡片完整清晰，标题和评分可辨，且没有其他卡片遮挡。","start_frame":174,"end_frame":342,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[84,143,925,749],"positive_points":[[331,224],[494,309],[659,559],[161,577],[817,676],[655,161]],"negative_points":[[49,438],[961,575],[482,803],[525,102]],"evidence":"根据“Math Homework”“HP30”、人物写字插图及三行星级评分，确定目标为绿色金边卡片。边界框紧贴整张倾斜卡片，涵盖表面、边框和印刷内容，不包含外侧阴影或底部字幕。正点分布于标题、插图、评分、边框及底部符号区域；负点位于卡片四周的蓝色背景。"}},{"name":"Instagram reward card","description":"Red, gold-bordered panel titled “Instagram”, with “HP120”, a smiling person holding a purple phone, and three reward-and-effort star-rating rows. It is introduced over the homework card and subsequently appears within a phone's social feed.","membership":"Include the complete card boundary, surface, picture, lettering, stars, and printed symbols. Exclude the homework card behind it, surrounding feed controls, phone casing, and overlaid subtitles.","id":"obj_015","temporal":{"status":"found","start_s":9.75,"end_s":14.25,"reference_s":9.75,"evidence":"目标是红色金边的“Instagram”卡片，含“HP120”、持紫色手机的人物及三行星级。9.75秒首次完整进入画面，随后连续出现在手机信息流内，虽被拇指部分遮挡，至14.00秒仍可确认同一张卡片。前一帧9.50秒卡片仍被画面边界截断；后一帧14.25秒随手机向右移出而再次被截断。选择9.75秒作为关键帧，卡片边界清晰且基本没有遮挡。","start_frame":234,"end_frame":342,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[81,106,976,749],"positive_points":[[279,201],[563,287],[328,409],[740,537],[610,679],[141,462]],"negative_points":[[66,460],[925,160],[488,804],[65,200]],"evidence":"根据“Instagram”“HP120”、持紫色手机的人物及三行星级评分，确定目标为红底金边卡片。框覆盖完整卡片的可见外边界；正点分布在标题、人物、图片、评分、底部符号和金色边框上。负点位于卡片外的蓝色背景，右侧阴影及底部叠加字幕不属于目标。"}},{"name":"Purple smartphone","description":"Purple-framed smartphone showing a blue social-video feed containing the reward cards. A large hand holds it and places a thumb over the display before the phone moves to the right of a writing sheet.","membership":"Include the phone casing, screen, and all screen contents, including cards and feed controls. Exclude the external hand, paper, pencil, and narration subtitles.","id":"obj_016","temporal":{"status":"found","start_s":11.75,"end_s":14.0,"reference_s":12.25,"evidence":"目标是紫色外壳、蓝色社交视频界面的手机，屏内有奖励卡片及操作控件，外部大手握持并遮住部分屏幕。11.75秒首次完整进入画面，13.75秒是最后 qualifying 帧；11.5秒手机外壳仍被画面边界裁切，14.0秒开始向右移出并再次被裁切。选择12.25秒，手机轮廓清晰，便于区分手机与外部手部。","start_frame":282,"end_frame":336,"reference_frame":294},"grounding":{"status":"found","bbox_xyxy":[48,148,918,934],"positive_points":[[479,163],[239,258],[462,557],[251,816],[75,595],[893,310]],"negative_points":[[488,80],[876,624],[24,476],[355,730]],"evidence":"目标是紫色边框、显示蓝色短视频界面和奖励卡片的手机。边界框紧贴手机可见外缘；正点分布在紫色机壳、屏幕、卡片及底部界面区域。负点位于外部深色背景、右侧拇指、左侧手指和叠加字幕处，排除手部与旁白字幕。"}},{"name":"Phone-holding hand","description":"Large peach-colored cartoon hand wrapped around the purple smartphone, with its thumb covering the right side of the display.","membership":"Include the visible fingers, thumb, palm, and attached wrist or forearm. Exclude the phone and anything shown on its screen.","id":"obj_017","temporal":{"status":"found","start_s":12.0,"end_s":14.0,"reference_s":12.25,"evidence":"目标是包握紫色手机的桃色大手，包括左侧手指、遮住屏幕右侧的拇指及相连掌部和前臂，不包括屏幕内的人物手。12.00秒拇指结构已完整呈现，13.75秒仍 qualifies；11.75秒拇指尚从右边界进入、被裁切，14.00秒开始随手机向右退出并再次被裁切。12.25秒手部轮廓和指甲清楚，适合标注；前臂延伸���画面属于有意裁切的构图。","start_frame":288,"end_frame":336,"reference_frame":294},"grounding":{"status":"found","bbox_xyxy":[0,181,1000,1000],"positive_points":[[23,249],[21,482],[20,642],[22,797],[776,511],[513,971]],"negative_points":[[76,370],[466,251],[477,609],[958,285]],"evidence":"目标是环抱紫色手机的桃色卡通手。框覆盖左侧露出的四段手指、遮挡屏幕右侧的拇指，以及延伸至画面底部和右缘的手掌与腕部。六个正点分布在这些可见手部区域；负点位于紫色手机边框、屏幕、屏内卡片和外部深色背景，均不属于手。"}},{"name":"Unfinished writing sheet","description":"White sheet on an orange desk, revealed behind the phone. Its upper portion contains an ornate purple “The” with decorative pen flourishes, while most of the page is blank.","membership":"Include the sheet's visible surface, edge, and all marks on it. Exclude the phone, hand, pencil, desk, and subtitles.","id":"obj_018","temporal":{"status":"found","start_s":13.5,"end_s":16.25,"reference_s":15.75,"evidence":"目标是橙色桌面上、手机后方带紫色 ornate “The”及花纹的大面积留白纸张。13.5秒首次可辨认其已成形的纸面和笔迹，部分被手机遮挡；13.25秒尚未明确露出纸张。最后 qualifying 帧为16.0秒，16.25秒切换为突触示意图，纸张消失。选择15.75秒，纸面、边缘和装饰文字清晰，手机遮挡较少。","start_frame":324,"end_frame":390,"reference_frame":378},"grounding":{"status":"found","bbox_xyxy":[0,313.5,854,894.5],"positive_points":[[100,358],[280,455],[656,354],[428,635],[252,835],[693,860]],"negative_points":[[910,670],[931,935],[444,940],[652,734]],"evidence":"目标是手机后方、橙色桌面上的白纸，上部有紫色花体“The”和装饰线条。框覆盖纸张可见表面及边缘；正点分布于上部文字、空白区域和下部纸面，负点分别位于手机、手、桌面及字幕上，均不属于纸张。"}},{"name":"Desk pencil","description":"Yellow-orange pencil lying horizontally above the writing sheet, with a purple point and purple end.","membership":"Include the pencil's shaft, exposed tip, and end cap. Exclude its cast shadow and the desk.","id":"obj_019","temporal":{"status":"found","start_s":14.25,"end_s":16.25,"reference_s":15.25,"evidence":"目标是书写纸上方横放的黄橙色铅笔，带紫色笔尖和紫色尾帽，不包含桌面上的投影。14.25秒首次完整可见，16.00秒为最后一个符合条件的帧；此前14.00秒尚未完整露出，此后16.25秒已切换为突触示意图，铅笔消失。选择15.25秒，铅笔轮廓清晰且没有遮挡。","start_frame":342,"end_frame":390,"reference_frame":366},"grounding":{"status":"found","bbox_xyxy":[267.6,213,729.6,260.4],"positive_points":[[286.1,248.4],[332.4,246.9],[416.7,243.2],[537,234.4],[648.1,228.1],[705.6,228.1]],"negative_points":[[500,262],[481.5,198.4],[238,237],[435.2,343.8]],"evidence":"目标是书写纸上方横放的黄橙色铅笔，两端带紫色。边界框紧贴笔尖、露出的削尖部分、笔杆和尾帽，不包含下方投影。六个正点分布于这些笔身部件；四个负点位于投影、周围桌面及下方纸张上。"}},{"name":"Dopamine synapse diagram","description":"Large schematic of two opposing purple nerve-cell terminals. The upper terminal releases yellow and orange particles; green transporters project downward, and magenta fork-shaped receptors line the lower terminal. Magenta drug symbols later block the transporters.","membership":"Include both purple terminal shapes and their stems, attached transporters and receptors, and the particles and drug symbols within the illustrated synaptic mechanism. Preserve the actual outlines and open space between the terminals rather than filling a bounding rectangle. Exclude independent text labels, subtitles, background, and the later magnified inset.","id":"obj_020","temporal":{"status":"found","start_s":16.25,"end_s":26.0,"reference_s":20.75,"evidence":"16.25秒首次完整出现上下相对的紫色神经末梢、绿色转运体和下方洋红色叉状受体；此前16.00秒仍是手机和纸张场景。原图随后被放大插图部分遮挡，但背景中的末梢和茎仍持续可见，最后符合帧为25.75秒；26.00秒原图消失，只剩独立放大插图。选择20.75秒，原图结构清晰、无遮挡，颗粒及阻断转运体的药物符号均可辨认。","start_frame":390,"end_frame":624,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[155.6,0,844.4,1000],"positive_points":[[493,91],[741,332],[388,405],[575,557],[569,615],[484,900]],"negative_points":[[234,518],[280,729],[70,500],[923,650]],"evidence":"目标为上下相对的紫色神经末梢及突触机制。框覆盖延伸至图像上下边界的末梢和主干，以及绿色转运体、洋红色受体与药物符号、黄色和橙色颗粒。正点分布在上方主干及末梢、转运体、橙色颗粒、下方受体和主干上；负点位于独立药名标签、字幕及两侧背景，���将末梢间的开放空间填为目标。"}},{"name":"Synapse dopamine label","description":"“Dopamine” label beside the yellow and orange particles in the initial synapse explanation, displayed on a yellow rectangle.","membership":"Include only the word's lettering. Exclude the yellow backing, pointer, particles, and nerve-cell graphics.","id":"obj_021","temporal":{"status":"found","start_s":16.5,"end_s":18.0,"reference_s":16.75,"evidence":"目标为初始突触讲解中、黄橙色颗粒旁黄色矩形上的“Dopamine”字样，仅计 lettering，不含底板和箭头。16.50秒首次完整显示，17.75秒为最后完整帧；此前16.25秒标签仅露出窄条，随后18.00秒文字开始被遮切移除。选16.75秒为关键帧，文字完整清晰且无遮挡。","start_frame":396,"end_frame":432,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[707.4,472.9,919.4,495.8],"positive_points":[[713,477.6],[743.5,484.4],[768.5,491.7],[823.1,483.9],[862.5,475.5],[909.3,489.1]],"negative_points":[[810.2,467.2],[665.7,481.3],[564.8,464.1],[500,354.2]],"evidence":"目标是突触间隙右侧黄色矩形上的“Dopamine”字样。边界框仅覆盖完整单词的黑色字母，包括下伸笔画；六个正点分布在不同字母的笔画上。负点位于黄色底板上方留白、黄色指针、橙色粒子及紫色神经细胞区域，均不属于目标文字。"}},{"name":"Transporter protein components","description":"Two bright green rounded projections on the lower-left edge of the upper nerve terminal. They receive dopamine particles and are then blocked by magenta drug shapes.","membership":"Include the two green protein shapes themselves, including portions attached to the terminal. Exclude the purple terminal, particles, drug shapes, and adjacent label.","id":"obj_022","temporal":{"status":"found","start_s":16.25,"end_s":30.0,"reference_s":17.0,"evidence":"目标是上方紫色神经末梢左下缘的两个亮绿色圆头突起；随后接触黄色颗粒并被洋红色药物形状遮挡。16.25秒首次完整出现，前一帧16.00秒仍是手机与纸张场景。之后镜头放大并缩小这对蛋白，直到最后一帧29.75秒仍可见，视频结束后无相邻帧。选择17.00秒，两枚绿色突起轮廓清晰、遮挡最少，便于单独标注。","start_frame":390,"end_frame":720,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[247.2,378.6,416,438.5],"positive_points":[[276,389],[268.5,406.3],[272.2,421.4],[388,391.7],[388,411.5],[386,431.3]],"negative_points":[[324,354],[204,411],[463,417],[621,522]],"evidence":"目标是上方紫色神经末端左下缘伸出的两条亮绿色圆头蛋白。框紧贴两条绿色形状的全部可见范围，包括与末端相接处；六个正点分布于两条蛋白的上、中、下部，负点位于紫色末端、两侧外部背景和橙色粒子上。"}},{"name":"Transporter Proteins label","description":"Two-line “Transporter Proteins” label on a mint-green rectangle over the upper-left portion of the synapse diagram.","membership":"Include the lettering on both lines. Exclude the green backing and the transporter graphics beneath it.","id":"obj_023","temporal":{"status":"found","start_s":18.5,"end_s":20.0,"reference_s":18.5,"evidence":"目标是突触图上方偏左、 mint-green 矩形上的两行“Transporter Proteins”文字，仅包括 lettering，不包括背景或下方图形。18.5秒首次完整显示，19.75秒为最后一个完整帧；18.25秒文字仍在窄条中展开，20.0秒已收缩为窄条，开始退出。选择18.5秒作为关键帧，文字完整清晰且无遮挡。","start_frame":444,"end_frame":480,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[164.8,276.6,418.5,317.7],"positive_points":[[178.7,280.2],[289.8,290.1],[387,283.3],[209.3,307.3],[277.8,309.4],[338,310.9]],"negative_points":[[291.7,270.8],[291.7,322.9],[150.9,299.5],[386.1,406.3]],"evidence":"目标是上方突触左侧绿色矩形内的两行“Transporter Proteins”文字。边界框紧贴两行完整文字，不包含绿色底板或下方转运体图形。六个正点分布在两行字母笔画上；负点位于文字外围的绿色底板及下方绿色转运体上。"}},{"name":"Methylphenidate label","description":"“Methylphenidate” text on a bright magenta rectangular backing to the left of the synaptic gap, identifying the transporter-blocking drug.","membership":"Include only the lettering. Exclude the backing, nearby drug symbols, and diagram.","id":"obj_024","temporal":{"status":"found","start_s":20.25,"end_s":22.0,"reference_s":20.5,"evidence":"目标为突触间隙左侧亮洋红色矩形上的黑色“Methylphenidate” lettering，仅指文字。20.25秒首次完整可见，21.75秒仍完整可见；此前20.00秒尚无该标签，之后22.00秒切入放大的突触示意，标签已消失。选择20.50秒，文字清晰、无遮挡，便于仅标注 lettering。","start_frame":486,"end_frame":528,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[60.2,508.3,416.7,530.7],"positive_points":[[66.7,515.6],[147.2,513.0],[198.1,516.1],[237.0,512.5],[342.6,512.5],[404.6,524.0]],"negative_points":[[48.0,518.0],[428.0,518.0],[247.0,501.0],[247.0,535.0]],"evidence":"目标是突触间隙左侧亮洋红色底板上的黑色“Methylphenidate”文字。边界框仅覆盖完整字母区域，不含底板。六个正点分布在文字左、中、右部的字母笔画上；四个负点位于文字外围的洋红色底板上。"}},{"name":"Magnified transporter comparison","description":"Circular inset that expands over the synapse to show the upper purple terminal and its two green transporters in greater detail. Its rim changes from blue to magenta as the explanation changes from no medication to amphetamine-based medication.","membership":"Include the circular outer boundary and its entire enclosed area, including terminal, transporters, moving dopamine particles, and magenta medication shapes. Exclude the title panel extending beyond the circle, underlying diagram outside the circle, and subtitles.","id":"obj_025","temporal":{"status":"found","start_s":21.75,"end_s":30.0,"reference_s":28.0,"evidence":"目标是覆盖突触的圆形放大 inset，内有紫色末端、绿色转运蛋白和移动颗粒，外圈随后由蓝色变为品红色。21.75秒首次出现完整小圆形边界；前一帧21.50秒仅有原突触图，没有放大圈。该圆圈持续扩张、变色并缩小，最后一帧29.75秒仍完整存在，因此结束于30.00秒，之后无采样帧。选择28.00秒：圆圈整体清楚、未被画面边缘裁切，便于排除圈外标题及下方游戏画面。","start_frame":522,"end_frame":720,"reference_frame":672},"grounding":{"status":"found","bbox_xyxy":[128.7,72.4,870.4,490.1],"positive_points":[[141,279],[495,480],[509,198],[407,258],[554,270],[677,379]],"negative_points":[[741,138],[93,260],[500,620],[904,313]],"evidence":"目标是上半部的洋红色圆形放大插图，内含紫色末端和两个绿色转运体。边界框紧贴圆形外缘，包含圆内区域；正点分布于圆缘、紫色末端、两个转运体及圆内下方区域。负点位于排除的药物标题面板、圆外背景和下方原始示意图。"}},{"name":"Without Medication title","description":"Two-line “Without Medication” title at the upper-right of the blue-rimmed magnified transporter view.","membership":"Include only the lettering. Exclude its blue rounded backing and the circular illustration.","id":"obj_026","temporal":{"status":"found","start_s":22.25,"end_s":25.25,"reference_s":23.25,"evidence":"目标是蓝色圆边放大图右上方的两行“Without Medication” lettering，仅包含文字。22.25秒首次完整显示，25.00秒为最后一个符合条件的帧；此前22.00秒尚无该标题，之后25.25秒该文字已消失并开始切换为新的标题。选择23.25秒作关键帧，文字清晰完整且无遮挡。","start_frame":534,"end_frame":606,"reference_frame":558},"grounding":{"status":"found","bbox_xyxy":[524.1,180.2,786.1,226.6],"positive_points":[[561.1,182.3],[649.1,183.3],[743.5,195.3],[530.6,218.8],[622.2,208.9],[781.5,219.8]],"negative_points":[[500,204],[653,239],[813,200],[396,276]],"evidence":"目标是右上方蓝色圆角底板上的两行白字“Without Medication”。边界框紧贴完整文字块，仅覆盖字母及字间、行间范围。六个正点分布在两行字母笔画上；负点位于文字块外的蓝色底板及紫色示意图上。"}},{"name":"Amphetamine-Based Medication title","description":"Two-line “Amphetamine-Based Medication” title replacing the previous title above the magenta-rimmed transporter view.","membership":"Include only the lettering. Exclude its magenta rounded backing and the magnified diagram.","id":"obj_027","temporal":{"status":"found","start_s":25.5,"end_s":30.0,"reference_s":26.0,"evidence":"目标为品红色圆角底板上的两行“Amphetamine-Based Medication” lettering，仅计文字，不含底板和图解。25.5秒文字首次完整呈现；此前25.25秒仍处于狭窄的初始揭示阶段。文字持续可见至最后采样帧29.75秒，因此区间结束于视频末尾30.0秒，没有后一帧。选择26.0秒，文字较大、清晰且无遮挡。","start_frame":612,"end_frame":720,"reference_frame":624},"grounding":{"status":"found","bbox_xyxy":[364.8,180.7,877.8,228.1],"positive_points":[[385.2,183.9],[485.2,187],[871.3,187],[495.4,220.8],[586.1,210.4],[748.1,221.9]],"negative_points":[[326,203],[907,209],[611,240],[185,271]],"evidence":"目标是上方洋红色圆角底板上的两行白字“Amphetamine-Based Medication”。边界框紧贴完整两行文字，正点分布在两行字母笔画上；负点位于文字外侧的洋红底板及下方紫色示意图上，排除底板和图形。"}},{"name":"Purple game track","description":"Perspective game track revealed beneath the shrinking transporter inset, extending toward the distance over turquoise water. Dark rectangular paving marks and a line of gold collectibles run along it.","membership":"Include the purple track surface, side boundaries, paving marks, and gold collectibles positioned along the track. Exclude surrounding water, the transporter inset, subtitles, and the separately identified moving character.","id":"obj_028","temporal":{"status":"found","start_s":28.0,"end_s":30.0,"reference_s":29.5,"evidence":"目标是碧绿色水面上的紫色透视跑道，包含两侧边界、深色铺路纹和沿线金色 collectible（收集物）。28.00 秒起跑道的完整布局已呈现；前一帧 27.75 秒仍在随上方 inset 缩小而逐步揭露。最后合格帧为 29.75 秒，目标持续到视频结束，之后无采样帧。选择 29.50 秒，跑道边界、纹理和金色收集物清楚，便于排除水面、上方示意图和移动角色。","start_frame":672,"end_frame":720,"reference_frame":708},"grounding":{"status":"found","bbox_xyxy":[192,518,809,1000],"positive_points":[[500,533],[501,603],[586,676],[383,848],[682,906],[515,966]],"negative_points":[[167,755],[787,625],[505,790],[300,300]],"evidence":"目标是下半幅水面上向远处收窄的紫色跑道。边界框覆盖可见跑道表面、侧边、深色铺路标记及沿途金币，并延伸至图像底边。正点分布在金币和不同位置的跑道表面；负点位于两侧水面、独立移动角色和上方转运蛋白插图，排除字幕及这些对象。"}},{"name":"Pink game character","description":"Small bright-pink runner on the purple track, seen from behind with white eye-like markings, rounded pink arms, and orange legs and feet.","membership":"Include the character's full visible body, arms, markings, legs, and feet. Exclude the track and gold collectibles.","id":"obj_029","temporal":{"status":"found","start_s":27.5,"end_s":30.0,"reference_s":28.25,"evidence":"目标是紫色跑道上背向镜头的亮粉色角色，带白色标记、圆润粉色双臂和橙色双腿及脚。27.50秒首次完整可见；此前27.25秒仅露出下部，身体仍被上方画面遮罩截断。此后持续出现，最后一个合格帧为29.75秒，视频在30.00秒结束，无后续帧。28.25秒角色全身清晰、遮挡 minimal，便于空间标注。","start_frame":660,"end_frame":720,"reference_frame":678},"grounding":{"status":"found","bbox_xyxy":[341,743,546,870],"positive_points":[[440,801],[366,774],[513,794],[413,754],[419,851],[472,837]],"negative_points":[[580,807],[481,704],[213,797],[472,906]],"evidence":"目标是紫色跑道下方背向观看者的亮粉色角色。框覆盖其身体、双臂、白色标记及橙色双腿和脚；正点分布于这些可见部位，负点位于旁边及下方跑道、上方金币和左侧水面，排除场景背景与收集物。"}}]}
+{"video_id":149,"video_type":"visual design and media animation","targets":[{"name":"Animated writing figure","description":"Central hand-drawn figure with a white oval head, minimal black facial features, long outlined arms and hands, and a black pen writing on a white sheet. An orange scribble appears and changes on its forehead, while orange writing strokes accumulate on the paper.","membership":"Includes the complete illustrated figure, its head and facial marks, forehead scribble when present, outlined body and arms, hands, pen, and the white paper with its writing. Closed outlined portions include their enclosed areas; open strokes retain their actual extent. Excludes the independently presented lettering behind the figure and the surrounding decorative shapes.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0,"evidence":"目标是中央白色椭圆头、黑色轮廓躯干和双臂、持笔手及白色纸张组成的书写人物，包含额头橙色涂鸦和纸上笔迹，不含背后的字母。首个合格帧为0.00秒，末个为1.00秒；1.25秒画面变为白底，人物及纸张完全消失，因此本次出现结束。视频起点之前无 sampled 帧。选择0.00秒作关键帧，人物、手、笔和纸张完整可见且轮廓清楚。","start_frame":0,"end_frame":30,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[251,96,757,532],"positive_points":[[541,137],[535,205],[358,324],[464,460],[541,468],[561,514]],"negative_points":[[176,313],[789,452],[214,568],[856,677]],"evidence":"目标是中央正在执笔书写的手绘人物。框覆盖白色椭圆头部、橙色额头涂鸦、黑色面部线条、身体及长臂轮廓、手、笔和带橙色笔迹的白纸。正点分布于头部、封闭身体内部、手、笔及纸张；负点位于人物外的米色背景、后方独立红色字母和右下灰蓝装饰区域。"}},{"name":"Large central ROOMETA wordmark","description":"Large two-row geometric wordmark behind the writing figure, with “ROOM” above the stylized “ETA.” Its colors, scale, and hand-drawn contours change throughout the animation.","membership":"Includes both rows of letterforms, the final period, and intrinsic hand-drawn letter contours. Letter counters remain holes. Excludes the overlaid writing figure, its paper, the small upper-left branding, and passing decorative circles.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0,"evidence":"目标是写字人物后方的大型双行“ROOM / ETA.”字标，包含句点及字母自身的手绘轮廓，不含左上角小标识。0.00秒已完整建立，首次连续出现的最后合格帧为1.00秒；紧随其后的1.25秒画面变为白底，中央字标消失。起点即视频开头，没有更早的采样帧。选择0.00秒作为关键帧，字标轮廓清楚，装饰圆尚未遮挡字标。","start_frame":0,"end_frame":30,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[164,405.7,819,595],"positive_points":[[206,426],[361,424.5],[791,452],[223,581.8],[493,567.7],[694,525]],"negative_points":[[539,171],[535,499],[890,431],[89,43]],"evidence":"目标是画面中央、书写人物后方的大型双行“ROOM / ETA.”字标。框覆盖两行字形、末尾圆点及手绘轮廓；六个正点分布在上下两行的可见字形实笔处。负点位于人物头部、纸张、右侧外部背景及左上角小标识，均不属于目标。"}},{"name":"Changing Chinese subtitle block","description":"Lower-center Chinese captions, initially “欢迎在视频下方留言”, continuously updating through the closing “我们下期再见”. The text is white and appears over a dark rounded backing.","membership":"Includes the complete currently displayed subtitle text as one updating block, including punctuation and Latin characters when present. Excludes the dark backing panel, the central wordmark, and all adjacent graphics.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":23,"reference_s":0,"evidence":"目标是画面下方居中的白色中文字幕文字块，不包括深色圆角底板。0.00秒时“欢迎在视频下方留言”已完整显示，随后同一位置持续更新字幕，至22.75秒仍完整显示“我们下期再见”，因此区间延续至视频结束23.00秒。区间已覆盖视频首尾，两端均无额外相邻采样帧。选择0.00秒作为关键帧，文字完整清晰、无遮挡，便于单独标注文字范围。","start_frame":0,"end_frame":552,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[292.6,767.7,706.5,792.2],"positive_points":[[301.9,771.9],[356.5,785.4],[406.5,789.1],[507.4,770.8],[589.8,774.0],[686.1,789.6]],"negative_points":[[286,795],[500,744],[750,782],[500,820]],"evidence":"目标是画面下方中央的白色字幕“欢迎在视频下方留言”。边界框仅覆盖整行文字，不含深色圆角底板。六个正点分布在不同汉字的笔画上；负点位于底板左下角及字幕外围背景，避开文字内部间隙。"}}]}
+{"video_id":150,"video_type":"visual design and media animation","targets":[{"name":"Triangular gyroscope animation","description":"The central rotating triangular diagram has a dark interior, gray edges, three white rectangular corner mirrors, and cyan and magenta light paths traveling around its perimeter. A circular spring-mounted mechanism sits inside.","membership":"Includes the triangular boundary and its enclosed area, all internal diagram contents, the three projecting corner mirrors, and the colored perimeter-path animation. Follows the assembly’s actual outline as it rotates; excludes surrounding background, subtitles, heading, and watermark.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":4,"reference_s":0.75,"evidence":"目标为中央带深色内部、灰色三角边界、三个白色角镜、青色与品红色周边光路及内部圆形弹簧机构的完整组件。首个合格帧为0.00秒，末个为3.75秒；期间仅旋转及光路变化，未见结构构建或退出。区间覆盖视频首尾，两端均无区间外采样帧。选择0.75秒为关键帧，组件轮廓完整清晰，三个角镜及内部结构均可见，且无字幕遮挡。","start_frame":0,"end_frame":96,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[368.8,150.9,709.4,847.2],"positive_points":[[400,187],[702,502],[397,810],[500,500],[483,280],[440,625]],"negative_points":[[300,500],[760,500],[500,150],[500,860]],"evidence":"目标是画面中央带三块白色角镜、青色和洋红色光路及内部弹簧圆形机构的三角形组件。边界框紧贴整个组件的可见范围，包含突出角镜和三角形内部。正点分布在三块角镜、彩色光路、中心机构和内部区域；负点位于组件左、右、上、下方的外部背景。"}},{"name":"Central mechanical dithering mechanism","description":"Inside the triangle, a white-outlined circular hub with radial spokes and a central dot connects to the three sides through white zigzag spring arms.","membership":"Includes the circular hub’s boundary and enclosed contents, plus the three zigzag spring arms up to their connections with the triangle. Excludes the surrounding triangular surface, perimeter edges, mirrors, and light paths.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":4,"reference_s":0.75,"evidence":"目标为三角形内部带径向辐条和中心点的白色圆形轮毂，以及连接三边的三条白色��齿弹簧臂。首个合格帧为0.00秒，末个为3.75秒；全程结构完整可见，随三角形转动但无渐入、拆解或退出。区间覆盖视频首尾，边界外均无采样帧。选择0.75秒作为关键帧，轮毂和三条弹簧轮廓清晰，无字幕遮挡，便于独立标注。","start_frame":0,"end_frame":96,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[400.5,352.8,554,655],"positive_points":[[489.1,474.1],[511.5,520.4],[426,488.9],[535.9,391.7],[529.7,601.9],[545.3,615.7]],"negative_points":[[450,375],[586,505],[461,679],[702,500]],"evidence":"目标是三角形内部带辐条和中心点的圆形轮毂及三条白色锯齿弹簧。边界框紧贴轮毂和弹簧末端，不包括三角形边缘、镜面或光路。六个正点分布在轮毂内部及三条弹簧线上；负点位于周围三角形表面和右侧镜面。"}},{"name":"Opening bilingual subtitle","description":"The opening bottom-centered Chinese and English subtitle explains mechanical dithering. The English line reads “To solve this, engineers came up with a bizarre mechanical solution, mechanical dithering.” It disappears before the later subtitle appears.","membership":"Includes both lines of this bilingual text block and their punctuation. Excludes the diagram, background, and later subtitle block.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是底部居中的开场中英双语字幕，英文完整说明机械抖动，与描述一致。首个及最后一个合格采样帧均为0.00秒，两行文字及标点已完整显示；紧邻的0.25秒帧中该字幕已消失。区间始于视频开头，无更早采样帧。选择0.00秒为关键帧，因为目标完整清晰且无遮挡。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[75,846,925,949],"positive_points":[[230.7,852.8],[488.5,858.3],[748.9,883.3],[81.3,926.9],[545.3,928.7],[921.9,937]],"negative_points":[[500,500],[500,805],[45,903],[500,977]],"evidence":"底部字幕与指定的机械抖动中英文内容一致。边界框覆盖完整中文行、英文行及标点；正点分布在两行文字笔画上，负点位于中央示意图及字幕上方、左侧和下方的外部区域。"}},{"name":"Later bilingual subtitle","description":"A later bottom-centered Chinese and English subtitle reads “他们把整个价值数千美元的玻璃” above “They mounted the entire multi-thousand-dollar”.","membership":"Includes both lines of this later bilingual text block. Excludes the adjacent or partially overlapping diagram, background, and opening subtitle.","id":"obj_004","temporal":{"status":"found","start_s":1.25,"end_s":4.0,"reference_s":1.5,"evidence":"目标为底部居中的双语字幕，中文“他们把整个价值数千美元的玻璃”及英文“They mounted the entire multi-thousand-dollar”两行均在1.25秒首次完整出现，持续至最后采样帧3.75秒。前一帧1.00秒没有该字幕；区间延伸至视频结束4.00秒，之后无采样帧。选择1.50秒作为关键帧，两行文字清晰完整，便于与上方图形区分。","start_frame":30,"end_frame":96,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[273.9,845.4,727.1,947.2],"positive_points":[[314.6,870.4],[510.4,869.4],[676.6,872.2],[279.9,919.4],[456.8,926.9],[693.2,925.9]],"negative_points":[[416.7,822.2],[500,500],[239.6,915.7],[757.8,919.4]],"evidence":"底部中央可见指定的中英文双行字幕，中文为“他们把整个价值数千美元的玻璃”，英文为“They mounted the entire multi-thousand-dollar”。框覆盖两行完整文字；六个正点分布在两行的字形笔画上，负点位于上方示意图及字幕两侧外部背景，排除图形和背景。"}},{"name":"Piezo-electric motor heading","description":"A large yellow uppercase heading appears across the top near the end: “PIEZO-ELECTRIC MOTOR (MECHANICAL DITHERING)”.","membership":"Includes only the heading’s lettering and punctuation. Excludes the diagram below, background, and overlaid uploader and Bilibili watermark.","id":"obj_005","temporal":{"status":"found","start_s":3.75,"end_s":4.0,"reference_s":3.75,"evidence":"目标为顶部黄色大写标题“PIEZO-ELECTRIC MOTOR (MECHANICAL DITHERING)”，不含右上角水印。3.50秒标题仍处于暗淡的初始淡入阶段；3.75秒字形完整且清晰，为首个及最后一个符合条件的采样帧，故选作关键帧。标题持续至视频结束，结束边界后无采样帧。","start_frame":90,"end_frame":96,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[59,62,941,112],"positive_points":[[65,87],[219,81],[383,69],[568,85],[778,83],[886,98]],"negative_points":[[954,72],[500,167],[500,500],[35,84]],"evidence":"目标是图像顶部黄色大写标题“PIEZO-ELECTRIC MOTOR (MECHANICAL DITHERING)”。边界框紧贴整行可见字母和括号；六个正点分布在标题各段的黄色笔画上，四个负点位于右上角白色水印、标题外背景及下方电机��意图上，不包含在标题内。"}}]}
+{"video_id":151,"video_type":"visual design and media animation","targets":[{"name":"2026 Chinese Super League title","description":"A centered, two-line white title reading “2026 怡寶 中国足球超级联赛” above “2026 C’ESTBON CHINESE FOOTBALL SUPER LEAGUE,” initially presented against dark blue and subsequently expanding across the league emblem.","membership":"Include the characters of both title lines throughout their expansion and fading. Exclude the league emblem, background, diagonal streaks, and other animation effects.","id":"obj_001","temporal":{"status":"found","start_s":0.5,"end_s":1.5,"reference_s":0.5,"evidence":"目标为居中的两行白色中英文联赛标题，不含背后的联赛徽标。0.50秒两行文字已完整呈现，随后持续放大；最后符合条件的是1.25秒。前一帧0.25秒尚无标题，后一帧1.50秒标题已因放大而被画面左右边界裁切，故结束于1.50秒。选择0.50秒为关键帧，文字完整清晰，且与背景及徽标最易区分。","start_frame":12,"end_frame":36,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[220.8,457.3,780.7,571.9],"positive_points":[[226.6,463.5],[435.9,479.2],[760.4,462.5],[232.8,549],[509.4,549],[696.4,558.3]],"negative_points":[[500,360],[414,735],[590,740],[195,87]],"evidence":"目标是画面中央白色双行联赛标题，框覆盖上方中文标题及下方英文全称。六个正点分布在两行文字的实际笔画上；负点位于上方深蓝背景、下方两块图形和左上角台标，排除背景、徽标及动画元素。"}},{"name":"Flaming-ball CSL emblem","description":"The Chinese Super League emblem assembles from red, orange, and yellow curved sections into a stylized flaming football, then settles near the center with “CSL” lettering at its lower right.","membership":"Include the colored sections forming the ball and flames and the accompanying CSL lettering when revealed. Follow their actual contours, excluding open gaps between sections. Exclude the independent bilingual title, background, motion streaks, and displaced transition echoes.","id":"obj_002","temporal":{"status":"found","start_s":1.75,"end_s":3.5,"reference_s":3.25,"evidence":"目标为红橙黄色曲线组成的火焰足球及其右下方的“CSL”字母，不包含双语标题和背景拖影。1.75秒首次完整呈现，后续缩放和字母明暗变化不影响完整性；3.25秒为最后合格帧。此前1.50秒尚未显示配套CSL字母，之后3.50秒已被转场画面替换。选择3.25秒作为关键帧，徽标轮廓清楚且无标题遮挡。","start_frame":42,"end_frame":84,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[385.4,389.6,620.3,619.8],"positive_points":[[398.4,529.2],[436.5,514.6],[492.2,428.1],[544.3,474.0],[517.2,583.3],[594.8,604.2]],"negative_points":[[354.7,510.4],[531.3,336.5],[661.5,510.4],[729.2,771.9]],"evidence":"目标是画面中央由红、橙、黄色曲面组成的火焰足球及右下方CSL字样。框紧贴完整徽标的可见外缘；正点分布于球体、火焰和字母笔画，负点位于外围蓝色背景及右下方偏移的过渡残影，不包含内部空隙。"}},{"name":"Silver CSL football","description":"A metallic silver football with recessed polygonal seams replaces the flaming emblem. Initially shown in close-up, it becomes a complete centered ball with “CSL” across its face.","membership":"Include the entire spherical silhouette, its metallic panel surfaces, seams, and face lettering. Exclude surrounding blue panels, crossing transition bars, the separate plus-shaped graphic, and colored ghosting effects.","id":"obj_003","temporal":{"status":"found","start_s":4.5,"end_s":4.75,"reference_s":4.5,"evidence":"目标为带凹陷多边形接缝、正面有“CSL”字样的银色金属足球。首末合格帧均为4.50秒，此时完整球形轮廓已显露；前一帧4.25秒仍是被画面上下边界裁切的近景，后一帧4.75秒已被红色盾牌替换。选择4.50秒作为关键帧，球体完整清晰，且易与两侧蓝色装饰区分。","start_frame":108,"end_frame":114,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[323,135,694,874],"positive_points":[[505,222],[368,412],[502,521],[644,424],[431,726],[578,742]],"negative_points":[[261,486],[762,493],[506,76],[512,941]],"evidence":"图像中央可见带凹陷多边形接缝及“CSL”字样的银色足球。边界框紧贴完整球体轮廓，包含金属面板、接缝和字母；六个正点分布在球体上部、两侧、正面及下部，四个负点位于球体外的蓝色背景。"}},{"name":"Shanghai Port FC crest","description":"A central red shield develops into the Shanghai Port FC badge, with a gold-edged crown, five round finials, an eagle head, laurel branches, and the inscriptions “上海海港足球俱乐部” and “SHANGHAI PORT FC.” It remains the same crest through textured, flat, and metallic presentations.","membership":"Include the shield surface and enclosed contents, its border, crown, and round finials as they appear. Follow the crest’s outer contours and crown concavities, excluding gaps between detached finials and the crown. Exclude the surrounding background and large independent club-name text.","id":"obj_004","temporal":{"status":"found","start_s":5.5,"end_s":6.0,"reference_s":5.5,"evidence":"目标为中央带金边冠顶、五颗圆饰、鹰头、月桂枝及中英文铭文的上海海港队徽。5.50秒首次完整呈现，5.75秒仍完整可见；此前5.25秒为尚未显出铭文的平面构建阶段。区间延续至视频结束，无后续采样帧。选择5.50秒作为关键帧，队徽轮廓清晰、无遮挡，易与背景大字区分。","start_frame":132,"end_frame":144,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[332,107,681,926],"positive_points":[[506,139],[348,202],[633,295],[509,346],[439,598],[535,809]],"negative_points":[[236,288],[778,643],[570,80],[697,886]],"evidence":"中央徽章具有金边皇冠、五个圆形冠珠、鹰头、月桂枝及中英文队名。边界框紧贴冠珠顶部、皇冠两侧和盾牌底尖，涵盖完整队徽。正点分布于冠珠、皇冠、铭文和盾面；负点位于外围红色背景及独立的大号队名文字上，不包含冠珠间隙或盾内区域。"}},{"name":"Large SHANGHAI background title","description":"Large pale uppercase “SHANGHAI” appears across the upper red background behind the completed Shanghai Port FC crest.","membership":"Include only the visible letter regions of this upper title, maintaining its identity where the crest occludes it. Exclude the crest, red background, and decorative shapes.","id":"obj_005","temporal":{"status":"found","start_s":5.5,"end_s":6.0,"reference_s":5.75,"evidence":"目标是红色背景上方、被上海海港队徽遮挡的浅色大写“SHANGHAI”，不包含队徽或下方文字。5.50秒首次完整呈现，5.75秒仍然符合；此前5.25秒为白色背景上的队徽，没有该标题。区间延续至视频结束6.00秒，无后续采样帧。选择5.75秒作为关键帧，标题可见字母区域清晰，便于区分队徽与背景。","start_frame":132,"end_frame":144,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[116,181,896,398],"positive_points":[[153,215],[222,304],[330,360],[725,297],[828,320],[884,277]],"negative_points":[[511,574],[729,115],[676,656],[90,470]],"evidence":"目标是队徽后方上部的大号浅色“SHANGHAI”标题。边界框覆盖从左侧S到右侧I的完整标题范围，保留被队徽遮挡处的整体身份。六个正点分布在可见字母笔画上；负点位于明确排除的队徽、下方文字及标题外红色背景。"}},{"name":"Large PORT FC background title","description":"Large pale uppercase “PORT FC” appears across the lower red background behind the Shanghai Port FC crest, beneath the separate SHANGHAI title.","membership":"Include only the visible letter regions of this lower title, maintaining its identity where the crest occludes it. Exclude the crest, upper title, background, and decorative shapes.","id":"obj_006","temporal":{"status":"found","start_s":5.5,"end_s":6.0,"reference_s":5.75,"evidence":"目标为红色背景下半部、上海海港队徽后方的浅色大写“PORT FC”，不包括上方“SHANGHAI”和队徽。首个合格帧为5.50秒，文字已完整呈现，部分被队徽遮挡；最后合格帧为5.75秒。前一帧5.25秒为白色背景队徽画面，尚无该标题。目标持续至视频结束，边界后无采样帧。选择5.75秒作为关键帧，字母可见区域清晰，易于与队徽及装饰区分。","start_frame":132,"end_frame":144,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[203,576,829,798],"positive_points":[[216,725],[248,601],[316,677],[670,724],[784,598],[785,774]],"negative_points":[[506,636],[721,277],[546,950],[147,595]],"evidence":"目标是队徽后方下排浅色大字“PORT FC”。边界框覆盖可见的P、O及FC，中部文字被队徽遮挡。六个正点分布在可见字母笔画上；负点位于明确排除的中央队徽、上排标题及外部红色背景。"}}]}
+{"video_id":152,"video_type":"visual design and media animation","targets":[{"name":"Spring-and-mass diagram","description":"An animated mechanics diagram near the center: a white zigzag spring joins a dark left support to an orange square labeled “m” on a hatched horizontal surface. The block moves as the spring stretches and compresses.","membership":"Includes the orange block and its label, the spring strokes, the left support, and the horizontal supporting line with its hatching. Excludes the separate graph appearing during the transition and the surrounding red background.","id":"obj_001","temporal":{"status":"found","start_s":0.25,"end_s":1.75,"reference_s":1.0,"evidence":"目标由白色锯齿弹簧、标有“m”的橙色方块、深色左支架及带斜线阴影的水平支撑面组成。首个完整帧为0.25秒，最后一个合格帧为1.50秒；此时虽出现独立折线图，弹簧质量块图仍完整。前��帧0.00秒只有红色背景和水印，后一帧1.75秒弹簧已消失、支架开始转变为图表结构。选择1.00秒作为关键帧，因弹簧展开清晰，各组成部分完整且无遮挡。","start_frame":6,"end_frame":42,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[350.5,528.7,649,662],"positive_points":[[353.1,568.5],[364.6,588],[481.3,554.6],[600,580],[550,631.5],[382.3,648.1]],"negative_points":[[325,580],[500,490],[675,600],[500,710]],"evidence":"图中中央偏下的白色锯齿弹簧连接左侧深色支架与标有“m”的橙色方块。边界框覆盖方块及标签、弹簧、左支架和带斜线阴影的水平支撑面；正点分布在这些实体上，负点位于图示外围的红色背景。"}},{"name":"Line chart","description":"A white jagged data line with orange diamond markers appears over the mechanics animation, then rises above a dark L-shaped chart frame with faint horizontal guides.","membership":"Includes the plotted line, its orange markers, the chart axes, horizontal guides, and the plotting area they define. Excludes the spring and mass, musical symbols, and surrounding background.","id":"obj_002","temporal":{"status":"found","start_s":1.75,"end_s":2.5,"reference_s":2.0,"evidence":"目标由白色锯齿折线、橙色菱形标记、深色L形坐标轴及淡色水平辅助线组成。1.75秒时这些结构已完整建立，随后整体移动仍计入；最后合格帧为2.25秒。此前1.50秒仍与弹簧动画重叠，图表坐标结构和辅助线尚未完整显现；此后2.50秒折线及图表结构消失，转为音符动画。选择2.00秒作为关键帧，此时图表清楚，且没有弹簧、质量块或音符遮挡。","start_frame":42,"end_frame":60,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[350.5,167.6,649,660.2],"positive_points":[[395.6,174.1],[634.4,173.1],[466.7,408.3],[411.5,532.4],[578.1,555.6],[640.6,631.5]],"negative_points":[[299.5,398.1],[703.1,463],[494.8,722.2],[520.8,92.6]],"evidence":"目标是画面中央带橙色菱形标记的白色折线图。边界框覆盖折线、标记、深色L形坐标框及底部斜纹、水平参考线和绘图区。正点分布在折线标记、绘图区内部及底部坐标轴；负点位于图表上下左右的外部红色背景。"}},{"name":"Musical notation graphic","description":"A central music illustration with a dark treble clef, dark horizontal staff lines, an orange pair of beamed notes, and a separate orange note.","membership":"Includes the complete treble clef, noteheads, stems, connecting beam, and associated staff strokes as one musical graphic. Enclosed portions of the symbols belong to their shapes. Excludes the independently appearing code text and surrounding background.","id":"obj_003","temporal":{"status":"found","start_s":2.75,"end_s":3.25,"reference_s":2.75,"evidence":"目标是中央由深色高音谱号、谱线、橙色双连音符和独立音符组成的完整音乐图形。首个合格帧为2.75秒，最后为3.00秒；2.50秒时高音谱号和谱线尚未完整显现，3.25秒时音乐符号已消失，被代码画面替代。选择2.75秒作为关键帧，图形结构完整，独立出现的代码文字遮挡较少。","start_frame":66,"end_frame":78,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[350.5,278.7,650.5,661.1],"positive_points":[[385.4,381.5],[456.8,508.3],[496.9,333.3],[578.1,378.7],[354.2,568.5],[611.5,631.5]],"negative_points":[[312.5,463],[677.1,537],[500,231.5],[500,722.2]],"evidence":"中央的深色高音谱号、谱线及橙色音符共同构成目标。边界框覆盖完整谱号、音符头、符干、连接横梁和谱线底部短斜线；正点分布于这些实际笔画，负点位于图形四周的红色背景。独立出现的白色代码文字不属于目标。"}},{"name":"RSA code example","description":"A white monospaced Python-style text block in the center, beginning “>>> from rsa import *”, defining a private key and message, and showing “>>> decrypt(message,priv_key)” with the result “MIT OCW”.","membership":"Includes all lines of the displayed code and its output throughout their reveal and movement. Excludes overlapping musical symbols, the dark baseline, and the large emerging logo letters.","id":"obj_004","temporal":{"status":"found","start_s":3.25,"end_s":3.5,"reference_s":3.25,"evidence":"目标是中央以“>>> from rsa import *”开头、包含私钥、消息、解密调用及“MIT OCW”输出的白色等宽代码块。首个及最后一个合格帧均为3.25秒，此时全部文本已揭示；前一帧3.00秒底部内容仍未完整显示，后一帧3.50秒代码下移，解密及输出行已被底部遮罩移除。选择3.25秒作为关键帧，代码最完整清晰；不计重叠的音符、基线和大号标志字母。","start_frame":78,"end_frame":84,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[353.6,274.1,646.4,622.2],"positive_points":[[388,284],[474.5,315],[359,401],[365.6,518.5],[386,584],[362,612]],"negative_points":[[471,615],[600,631],[330,440],[674,474]],"evidence":"中央白色等宽文字以“>>> from rsa import *”开头，包含私钥、消息、解密调用及“MIT OCW”输出，符合目标。框覆盖整个代码文本块；六个正点分散在不同代码行与输出的字形上。负点位于排除的大号白色T、深色基线以及文本两侧的红色背景。"}},{"name":"MIT OpenCourseWare animated wordmark","description":"Large central lettering assembles into “MITOCW”, with an orange “O”, then expands into “MITOPENCOURSEWARE”, with “OPEN” in orange and the other letters white.","membership":"Includes the complete animated wordmark lettering through its assembly and expansion. Excludes the smaller code behind it, the background, and the later corner logo.","id":"obj_005","temporal":{"status":"found","start_s":3.75,"end_s":6.25,"reference_s":5.0,"evidence":"目标为中央白色与橙色的 MIT OpenCourseWare 动画字标。3.75 秒首次完整显示 MITOCW 全部字母，虽尚在移动排列，但字母结构已完整；随后扩展为 OPEN 呈橙色的 MITOPENCOURSEWARE。前一帧 3.50 秒仍仅有部分字母，揭示未完成。最后合格帧为 6.00 秒，6.25 秒已替换为课程标题页。选择 5.00 秒作关键帧，完整展开的字标清晰且无遮挡。","start_frame":90,"end_frame":150,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[181.3,436.1,824.5,519.5],"positive_points":[[185.4,481.5],[323.4,481.5],[422.4,477.8],[539.6,472.2],[759,482],[798,496]],"negative_points":[[500,350],[500,620],[100,475],[875,68]],"evidence":"图像中央为展开后的“MITOPENCOURSEWARE”字标，其中“OPEN”为橙色，其余字母为白色。边界框紧贴整行文字的可见范围；六个正点分布在不同字母的实际笔画上，负点位于字标上方、下方、左侧背景及右上角的独立水印处。"}},{"name":"Course title block","description":"The upper-left portion of the lecture title card reads “The Human Brain” in bold white text, with “9.13, Spring 2019” beneath it.","membership":"Includes both lines of this course-identification block. Excludes the orange divider below, the lecture heading, and the background.","id":"obj_006","temporal":{"status":"found","start_s":6.25,"end_s":8.5,"reference_s":7.0,"evidence":"目标为标题卡左上方的两行白字：“The Human Brain”和“9.13, Spring 2019”，不含橙色分隔线。首个完整呈现帧为6.25秒，最后一个符合条件的帧为8.25秒；前一帧6.00秒仍为MIT OPENCOURSEWARE标志，后一帧8.50秒已替换为许可说明。选择7.00秒作为关键帧，两行文字完整清晰、无遮挡。","start_frame":150,"end_frame":204,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[159.9,280.6,509.4,405.6],"positive_points":[[171.9,288.9],[253.1,310.2],[478.1,309.3],[190.1,384.3],[281.3,383.3],[368.8,384.3]],"negative_points":[[468.8,500],[182.3,574.1],[135.4,324.1],[546.9,342.6]],"evidence":"目标为左上方的两行课程标识：“The Human Brain”和“9.13, Spring 2019”。边界框紧贴整个两行文字块；六个正点分布在两行的实际字形笔画上。负点位于下方橙色分隔线、Lecture 标题及文字块左右的红色背景，均不属于目标。"}},{"name":"Lecture title block","description":"Below the orange divider, a white two-line heading reads “Lecture 1:” and “Introduction”.","membership":"Includes the lecture number and title as one text block. Excludes the divider, the instructor name below, and the background.","id":"obj_007","temporal":{"status":"found","start_s":6.25,"end_s":8.5,"reference_s":7.0,"evidence":"目标是橙色分隔线下方的白色两行文字“Lecture 1:”和“Introduction”，不含讲师姓名。首个完整呈现帧为6.25秒，最后一个符合条件的帧为8.25秒；此前6.00秒仍为MIT OPENCOURSEWARE标志，此后8.50秒已切换为版权提示，目标消失。选择7.00秒为关键帧，文字完整清晰、无遮挡，便于标注。","start_frame":150,"end_frame":204,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[162.5,551.9,341.2,656.5],"positive_points":[[166.7,569.4],[219.3,572.2],[299.0,573.1],[168.8,635.2],[249.5,629.6],[338.0,640.7]],"negative_points":[[442.7,500.0],[255.2,738.9],[390.6,601.9],[276.0,305.6]],"evidence":"目标是橙色分隔线下方的白色两行标题“Lecture 1:”和“Introduction”。边界框紧贴两行文字整体；六个正点分布在两行的字形笔画上，四个负点位于分隔线、下方教师姓名、右侧背景和上方课程标题，均排除在目标之外。"}},{"name":"Instructor credit","description":"The separate white text “Nancy Kanwisher” appears below the lecture title.","membership":"Includes only the instructor-name text. Excludes the lecture heading and surrounding background.","id":"obj_008","temporal":{"status":"found","start_s":6.25,"end_s":8.5,"reference_s":7.0,"evidence":"目标为讲座标题下方独立的白色姓名文字“Nancy Kanwisher”。首个完整显示帧为6.25秒，最后一个符合条件的帧为8.25秒；前一帧6.00秒仅显示MIT OpenCourseWare标志，后一帧8.50秒已切换为版权说明，姓名消失。选择7.00秒作为关键帧，姓名清晰完整、无遮挡，易于与上方标题区分。","start_frame":150,"end_frame":204,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[163,719.4,354.2,758.3],"positive_points":[[164.6,735.2],[195.3,736.1],[242.2,735.2],[302.1,740.7],[321.4,735.2],[349,738.9]],"negative_points":[[182.3,638.9],[265.6,791.7],[145.8,732.4],[375,736.1]],"evidence":"目标是讲座标题下方独立的白色姓名“Nancy Kanwisher”。边界框紧贴完整姓名文字，正点分布在姓名各处的字母笔画上；负点位于上方讲座标题及姓名左侧、右侧和下方的外部背景。"}},{"name":"Corner MIT OCW logo","description":"A small outlined square logo at the bottom left contains stacked white “MIT” and “OCW” lettering. It remains on the subsequent licensing notice.","membership":"Includes the square boundary, internal horizontal separator, enclosed surface, and both rows of lettering. Excludes the surrounding slide background.","id":"obj_009","temporal":{"status":"found","start_s":6.25,"end_s":10.0,"reference_s":7.0,"evidence":"目标是左下角带方形描边、内部横向分隔线及上下两行白色“MIT”“OCW”文字的小标志。首个完整出现帧为6.25秒，随后跨标题页和许可说明页持续存在，最后合格帧为9.75秒。前一帧6.00秒仅有中央的大型MIT OPENCOURSEWARE字样，没有该角落标志；区间延伸至视频结束，无后续帧。选择7.00秒作为关键帧，标志完整清晰、无遮挡。","start_frame":150,"end_frame":240,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[25,851.9,83.9,956.5],"positive_points":[[39,881],[68,880],[38,930],[68,930],[26,887],[54,905]],"negative_points":[[10,906],[108,902],[54,820],[55,980]],"evidence":"目标为左下角带方框的 MIT OCW 标志，上下两行白色字母由横线分隔。边界框紧贴完整外框，包含内部底色、分隔线和文字。正点分布于两行文字、左侧边框及分隔线；负点位于标志四周的红色幻灯片背景。"}},{"name":"OpenCourseWare website address","description":"The white address “ocw.mit.edu” is centered near the bottom of the lecture title card.","membership":"Includes only the website-address text, excluding the background and corner graphics.","id":"obj_010","temporal":{"status":"found","start_s":6.25,"end_s":8.5,"reference_s":7.0,"evidence":"目标为讲座标题卡底部居中的白色“ocw.mit.edu”文字。首次完整出现于6.25秒，最后符合条件的帧为8.25秒；此前6.00秒为MIT OpenCourseWare标志画面，没有该网址，此后8.50秒切换为版权说明卡，网址消失。选择7.00秒作为关键帧，文字清晰完整、无遮挡，便于标注。","start_frame":150,"end_frame":204,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[406.3,911.1,542.2,942.6],"positive_points":[[408.3,929.6],[432.8,922.2],[460.4,929.6],[480.7,928.7],[525.5,925.9],[531.8,929.6]],"negative_points":[[385.4,925.9],[562.5,925.9],[468.8,884.3],[468.8,967.6]],"evidence":"目标是标题卡底部居中的白色网址“ocw.mit.edu”。边界框紧密覆盖完整网址文字；六个正点分布在不同字母的笔画上，四个负点位于文字框外的红色背景上，不包含角落图标。"}},{"name":"Creative Commons license badge","description":"A compact rectangular badge at the bottom right shows the Creative Commons symbols and the labels “BY”, “NC”, and “SA”; it continues onto the licensing notice.","membership":"Includes the badge surface, rectangular boundary, circular symbols, and lettering. Excludes the surrounding slide background.","id":"obj_011","temporal":{"status":"found","start_s":6.25,"end_s":10.0,"reference_s":6.5,"evidence":"目标是右下角带矩形边界、CC圆形符号及BY、NC、SA字样的许可徽章。6.25秒首次完整出现，随后延续到许可说明页，最后一个合格采样帧为9.75秒。前一帧6.00秒仅有MIT OPENCOURSEWARE标志，没有该徽章；区间到达视频结尾，无后续帧。选择6.50秒作为关键帧，徽章完整清晰且无遮挡。","start_frame":150,"end_frame":240,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[866.7,890.7,972.9,957.4],"positive_points":[[884.4,917.6],[912.5,913.9],[935.4,913.9],[958.9,913.9],[913,946.3],[957.8,946.3]],"negative_points":[[846.4,916.7],[927.1,862],[987,919.4],[924.5,981.5]],"evidence":"目标是右下角含 Creative Commons 圆形符号及 BY、NC、SA 字样的矩形许可徽章。边界框紧贴完整徽章，涵盖底色、边框、符号和文字；六个正点分布于符号区与下方标签区，四个负点位于徽章四周的红色幻灯片背景。"}},{"name":"Licensing notice","description":"A large centered white text block replaces the course information: “Some content in this video is not covered under our Creative Commons license. See the closing credits for more information.”","membership":"Includes all three lines of the notice as one text block. Excludes the separate corner MIT OCW logo, Creative Commons badge, and red background.","id":"obj_012","temporal":{"status":"found","start_s":8.5,"end_s":10.0,"reference_s":8.5,"evidence":"目标是画面中央完整的三行白色许可声明，不含角落标志及徽章。首个符合帧为8.50秒，最后为9.75秒，文字始终完整清晰；前一帧8.25秒仍为课程介绍，尚无该声明。区间延续至视频结束10.00秒，无边界后的采样帧。选择8.50秒为关键帧，三行文字完整且无遮挡，便于标注。","start_frame":204,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[175.5,411.1,830.2,600.9],"positive_points":[[241.1,439.8],[804.2,438],[231.3,503.7],[673.4,500.9],[183.9,570.4],[827.1,586.1]],"negative_points":[[502,324],[496,700],[54,882],[918,919]],"evidence":"目标是画面中央的三行白色许可声明，文字内容与描述一致。边界框紧贴完整三行文字，包含字符和行间间隔；六个正点分布在各行的实际字形笔画上。负点位于文字上、下方的红色背景，以及独立的左下角 MIT OCW 标志和右下角 Creative Commons 徽章上。"}}]}
+{"video_id":153,"video_type":"visual design and media animation","targets":[{"name":"Opening title 一化儿","description":"Large white Chinese title “一化儿” displayed on the broad central purple stripe, enlarging during the opening animation.","membership":"Includes only the title glyphs and their integral shaded faces. Excludes the purple stripes, background, and corner watermark.","id":"obj_001","temporal":{"status":"found","start_s":0.25,"end_s":1.5,"reference_s":1.25,"evidence":"目标为开场中央宽紫色条带上的白色“一化儿”字样及其阴影面，不含条带和左上角水印。首个符合帧为0.25秒，字形已完整呈现；随后持续放大，最后符合帧为1.25秒。前一帧0.00秒尚无标题，后一帧1.50秒已切换为漏斗图案，标题消失。选1.25秒作为关键帧，标题较大、完整清晰且无遮挡。","start_frame":6,"end_frame":36,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[130,370,778,681],"positive_points":[[219,524],[392,574],[465,454],[627,546],[710,475],[744,648]],"negative_points":[[95,500],[852,532],[480,299],[491,791]],"evidence":"中央宽紫色条带上可见大型白色标题“一化儿”。边界框紧贴完整标题字形及其一体阴影面；六个正点分布在各字的实际笔画上，四个负点位于标题外围的紫色背景和条带上，不包含字间空隙或角落水印。"}},{"name":"Enlarged funnel illustration","description":"Purple halftone laboratory funnel presented in close-up after the opening title, with a broad elliptical mouth and tapering conical body.","membership":"Includes the funnel's outer contour, rim, enclosed opening, body, and any visible stem. Excludes background stripes and other overlays.","id":"obj_002","temporal":{"status":"found","start_s":1.5,"end_s":2.25,"reference_s":2.0,"evidence":"目标是开场标题后出现的紫色半调漏斗特写，具有宽椭圆口沿、内部开口和向下收窄的锥形主体；画面裁切属于特写构图。首个合格帧为1.50秒，最后为2.00秒。前一帧1.25秒仍为标题，后一帧2.25秒已切换为试管特写。选择2.00秒作为关键帧，漏斗口沿与锥形轮廓最清楚、展示范围较完整。","start_frame":36,"end_frame":54,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[190,153,1000,1000],"positive_points":[[280,273],[638,268],[946,331],[365,594],[794,579],[599,929]],"negative_points":[[114,389],[228,709],[943,859],[561,79]],"evidence":"目标是画面中放大的紫色半调漏斗，具有宽椭圆口沿和向下收窄的锥形主体。边界框覆盖可见口沿、内部开口及主体，右侧和底部截于图像边缘。正点分布在开口、口沿及锥形主体上；负点位于漏斗外的上方背景、左侧条纹和右下方背景。"}},{"name":"Enlarged test tube illustration","description":"Upright purple halftone test tube shown on the left, with a darker liquid column and an elliptical liquid surface inside.","membership":"Includes the tube boundary, glass body, enclosed interior, and illustrated liquid. Excludes purple bars crossing in front of it and the surrounding background.","id":"obj_003","temporal":{"status":"found","start_s":2.25,"end_s":2.75,"reference_s":2.25,"evidence":"目标是左侧直立的紫色网点试管特写，管壁内有深色液柱及椭圆形液面；上下裁切属于放大特写构图，并非入场未完成。首个合格帧为2.25秒，最后为2.50秒。前一帧2.00秒显示漏斗，后一帧2.75秒已切换为带刻度的烧杯特写。选择2.25秒作关键帧，试管边界和液面清晰，前景紫色横条遮挡较少。","start_frame":54,"end_frame":66,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[158,0,408,1000],"positive_points":[[245,98],[280,350],[166,610],[322,565],[399,815],[277,934]],"negative_points":[[282,224],[106,740],[497,548],[450,89]],"evidence":"目标是左侧竖直的紫色网点试管，内部有深色液柱和椭圆形液面。边界框覆盖可见管壁、玻璃管身及内部液体，上下均在画面边缘截断。正点分布于上部管内、液面、液柱和两侧管壁；负点位于横穿试管的紫色遮挡条及管外背景。"}},{"name":"Enlarged graduated beaker illustration","description":"Close-up of a purple halftone laboratory beaker on the right, showing graduation marks and a rounded lower edge.","membership":"Includes the beaker outline, enclosed glass and interior, shading, and graduation marks. Excludes the superimposed horizontal bars and background.","id":"obj_004","temporal":{"status":"found","start_s":2.75,"end_s":3.5,"reference_s":2.75,"evidence":"目标是画面右侧放大的紫色半调烧杯，可见刻度、杯内阴影及圆弧形底边；属于刻意裁切的特写。首个合格帧为2.75秒，最后为3.25秒。前一帧2.50秒显示的是细长试管，后一帧3.50秒已切换为圆腹烧瓶特写。选择2.75秒作为关键帧，因为刻度和底边清晰，叠加横条遮挡相对较少；横条不属于目标。","start_frame":66,"end_frame":84,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[426,0,1000,869],"positive_points":[[436,260],[644,103],[879,237],[656,658],[491,774],[930,844]],"negative_points":[[461,571],[165,575],[240,307],[639,944]],"evidence":"目标是右侧带刻度、半调网点阴影和圆弧底边的紫色烧杯。边界框覆盖画面内可见的杯体，顶部和右侧延伸至图像边缘。正点分布在杯壁、刻度、内部和底部；负点位于叠加的水平紫条及杯体外背景，排除这些区域。"}},{"name":"Enlarged round flask illustration","description":"Purple halftone flask shown in close-up, with a narrow upright neck and a broad rounded body occupying the left and lower portions of the image.","membership":"Includes the flask's neck, body, boundary, and enclosed interior. Excludes the horizontal purple transition bars and surrounding background.","id":"obj_005","temporal":{"status":"found","start_s":3.5,"end_s":4.25,"reference_s":3.5,"evidence":"目标是左侧及下方占据大面积的紫色半调圆底烧瓶，具有竖直细颈和宽圆瓶身；这是有意裁切的特写构图，横向紫条不属于目标。首个合格帧为3.50秒，最后为4.00秒，其间烧瓶持续可见并放大。前一帧3.25秒显示带刻度的另一容器，后一帧4.25秒已切换为空背景及十字标记。选择3.50秒作关键帧，瓶颈、肩部和圆形外轮廓较易辨认。","start_frame":84,"end_frame":102,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[0,0,762,1000],"positive_points":[[166,82],[363,125],[111,676],[315,894],[544,689],[675,947]],"negative_points":[[174,285],[538,319],[855,177],[878,758]],"evidence":"目标是左侧及下方的紫色半调圆底烧瓶，上部可见细长直立瓶颈。边界框覆盖可见瓶颈、圆形瓶身及其内部，并贴合图像截断边界。六个正点分布于瓶颈和瓶身内部；负点位于明确排除的横向紫色遮挡条及右侧背景。"}},{"name":"Closing title 一化儿","description":"Large white-to-lavender “一化儿” title with a thick purple edge, centered in the closing chemistry composition.","membership":"Includes the title glyphs, shaded faces, and integral purple edging. Excludes the horizontal banner, adjacent text, and laboratory illustrations behind it.","id":"obj_006","temporal":{"status":"found","start_s":6.0,"end_s":8.0,"reference_s":7.0,"evidence":"目标是结尾化学器材构图中央带厚紫色边缘、白至淡紫渐变面的“一化儿”标题，不含横幅及两侧文字。6.00秒标题字形和边缘已完整呈现，随后仅缩放调整，持续至最后采样帧7.75秒；此前5.75秒只有紫色横条，尚无标题。区间到达视频末尾，无后续帧。选择7.00秒作为关键帧，标题清晰完整，便于与背景器材及横幅区分。","start_frame":144,"end_frame":192,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[255,368,750,637],"positive_points":[[336,496],[457,468],[455,585],[531,561],[630,509],[690,561]],"negative_points":[[370,430],[167,498],[844,491],[529,741]],"evidence":"目标为画面中央最大号的“一化儿”，字面由白色渐变至淡紫色。框覆盖三个标题字及其一体紫色粗描边，不包含整条横幅。六个正点分布在横画及各字的可见字面上；负点位于标题外横幅、左右相邻文字和下方试管插图上。"}},{"name":"Chemistry lesson text","description":"White text “化学课” positioned to the left of the central closing title.","membership":"Includes only the three text glyphs. Excludes the purple backing banner and adjacent illustrations.","id":"obj_007","temporal":{"status":"found","start_s":6.25,"end_s":8.0,"reference_s":7.0,"evidence":"目标为中央片尾标题左侧的白色“化学课”三个字，不含紫色横条。6.00秒时左侧“化”字仍被画面边界裁切；6.25秒三个字首次完整显示，持续至最后采样帧7.75秒，故区间结束于视频末尾8.00秒，之后无采样帧。选择7.00秒作为关键帧，文字清晰完整、无遮挡且易与相邻图案区分。","start_frame":150,"end_frame":192,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[83.3,438.9,236.5,554.6],"positive_points":[[95.8,514.8],[111.5,515],[148.4,511.1],[162.5,535.2],[208.3,446.3],[218.2,527.8]],"negative_points":[[68,500],[247,540],[158,410],[148,620]],"evidence":"目标是中央大标题左侧的白色“化学课”。边界框紧密覆盖三个完整字形；六个正点分布在各字的笔画上，四个负点位于文字外侧的紫色横幅或邻近插图区，不包含字间空隙。"}},{"name":"Watch Jie text","description":"White text “看杰哥” positioned to the right of the central closing title.","membership":"Includes only the text glyphs. Excludes the purple banner, central title, and laboratory illustrations.","id":"obj_008","temporal":{"status":"found","start_s":6.25,"end_s":8.0,"reference_s":7.0,"evidence":"目标是中央片尾标题右侧的白色“看杰哥”三字，仅包含文字。6.00秒时文字仍被画面右边界裁切；6.25秒首次完整显示，之后持续可见，最后合格帧为7.75秒。区间延续至视频结束8.00秒，无后续采样帧。选择7.00秒为关键帧，文字清晰完整、无遮挡，便于独立标注。","start_frame":150,"end_frame":192,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[762.5,437.9,921.4,554.6],"positive_points":[[781.3,463],[774,525],[842.2,452.8],[859.4,538],[891.7,447.2],[911.5,532.4]],"negative_points":[[937.5,495.4],[833.3,569.4],[781.3,342.6],[677.1,509.3]],"evidence":"目标为中央标题右侧的白色“看杰哥”。边界框紧贴三个字的完整可见范围；六个正点分布在各字的实际笔画上，四个负点位于文字外的紫色横幅、上方实验器皿插图及左侧中央标题上。"}},{"name":"Closing funnel illustration","description":"Purple halftone funnel at the upper left of the closing composition, tilted with its wide mouth toward the upper left and its stem extending down and right.","membership":"Includes the funnel rim, enclosed mouth, conical body, and stem. Excludes the title banner that occludes it and the separate forceps below.","id":"obj_009","temporal":{"status":"found","start_s":6.25,"end_s":8.0,"reference_s":7.0,"evidence":"目标是收尾构图左上方的紫色半调漏斗，宽口朝左上、锥体及管柄朝右下，与下方独立镊子区分。6.00秒尚未出现该漏斗；6.25秒其自身结构已建立，下部被标题横幅遮挡，随后持续保留在构图中。最后合格帧为7.75秒，视频于8.00秒结束，无后续采样帧。选择7.00秒作关键帧，漏斗轮廓清楚，便于区分横幅和邻近器具。","start_frame":150,"end_frame":192,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[54.7,95.4,213.0,421.3],"positive_points":[[123.4,111.1],[86.5,183.3],[121.9,244.4],[85.4,293.5],[145.3,321.3],[187.5,392.6]],"negative_points":[[181.3,466.7],[144.8,681.5],[182.3,225.0],[269.8,249.1]],"evidence":"目标是左上角开口朝左上、细管朝右下的紫色网点漏斗。框覆盖可见的口沿、口内、锥形主体及延伸至标题横幅上缘的管柄，不包含被遮挡部分。正点分布于上述各部位；负点位于标题横幅、下方独立夹具、右侧背景及另一夹具上。"}},{"name":"Laboratory tongs illustration","description":"Large purple halftone tongs behind the left side of the closing banner, with open scalloped jaws, a circular pivot, and long handles.","membership":"Includes both jaws, pivot, and handles along their actual outlines. The open space between the jaws and handles is excluded, as are overlaid title elements.","id":"obj_010","temporal":{"status":"found","start_s":6.25,"end_s":8.0,"reference_s":6.25,"evidence":"目标是结尾横幅左侧后方的紫色网点实验室钳，具有张开的波浪状钳口、圆形转轴和长柄。6.00秒仅有钳口局部从横幅后露出，揭示尚未完成；6.25秒结构已完整建立，之后持续存在至最后采样帧7.75秒，部分被标题及画框设计遮挡。区间到达视频末尾，无后续帧。选择6.25秒作关键帧，因为钳口与转轴清楚，顶部尚未被装饰画框裁切。","start_frame":150,"end_frame":192,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[196.9,59.3,376.6,421.3],"positive_points":[[208.9,158.3],[242.2,79.6],[276,129.6],[270.8,237],[286.5,359.3],[335.4,350]],"negative_points":[[171.4,238.9],[336.5,497.2],[362,705.6],[460.9,324.1]],"evidence":"目标是横幅左上方的紫色网点实验室夹钳，可见张开的波浪形双钳口、圆形转轴和两条长柄。框紧贴其可见部分，下缘止于横幅遮挡处；正点覆盖双钳口、转轴及两柄，负点位于外部背景、横幅和其他玻璃器皿上，不标记钳口或柄间空隙。"}},{"name":"Closing test tube illustration","description":"Purple halftone test tube near the center of the closing composition, leaning down and right, with an open rim above the title and a rounded liquid-filled end below it.","membership":"Includes its rim, glass boundary, enclosed interior, and illustrated liquid. Excludes the central title and banner occluding the middle.","id":"obj_011","temporal":{"status":"found","start_s":6.25,"end_s":8.0,"reference_s":7.0,"evidence":"目标为片尾中央向右下倾斜的紫色网点试管：开口管沿在标题上方，含液体的圆底在标题下方，中段被横幅遮挡。6.25秒首次完整呈现自身结构，6.0秒尚未显现该试管；此后连续可见至最后采样帧7.75秒，故结束时间为8.0秒，视频末尾无后续帧。选择7.0秒作为关键帧，管沿、玻璃轮廓及圆底清晰，便于与邻近器具区分。","start_frame":150,"end_frame":192,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[413.5,181.5,578.1,809.3],"positive_points":[[451,210],[461,286],[495,355],[508,671],[535,730],[538,781]],"negative_points":[[515,510],[380,485],[391,302],[590,690]],"evidence":"目标为中央向右下倾斜的试管：开口管沿露在标题上方，盛液的圆底露在标题下方。框覆盖这两段可见部分的整体范围；正点分布于管沿、玻璃内部及下端液体，负点位于遮挡试管的标题、横幅和外部背景，不将遮挡区域计入目标。"}},{"name":"Closing round flask illustration","description":"Large purple halftone round-bodied flask at the upper right, with a long neck leaning slightly right.","membership":"Includes the neck, mouth, rounded body, boundary, and enclosed interior. Excludes overlaid text and the distinct conical vessel below.","id":"obj_012","temporal":{"status":"found","start_s":6.25,"end_s":8.0,"reference_s":6.25,"evidence":"目标是右上方长颈略向右倾、圆腹的紫色网点烧瓶，与下方锥形器皿不同。6.00秒仅露出瓶颈，初始呈现尚未完成；6.25秒瓶口、长颈和圆腹结构已建立，腹部被文字横条遮挡。此后虽有装饰边框裁切，仍是同一烧瓶持续保留，最后合格帧为7.75秒；视频于8.00秒结束，无后续采样帧。选择6.25秒作关键帧，瓶口和外轮廓最清楚。","start_frame":150,"end_frame":192,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[692.7,49.1,859.4,421.3],"positive_points":[[818,72],[809,151],[791,237],[746,324],[826,361],[720,397]],"negative_points":[[887,304],[814,487],[702,712],[545,697]],"evidence":"目标是右上方长颈略向右倾的紫色网点圆底烧瓶。边界框覆盖可见瓶口、瓶颈和圆形瓶身，下缘止于横幅遮挡处。六个正点分布在瓶口、颈部和瓶身内部；负点位于右侧背景、覆盖文字、下方独立锥形容器及中央试管上。"}},{"name":"Dropper illustration","description":"Slanted purple halftone dropper along the upper-right edge of the closing composition, showing a ribbed cap or bulb assembly and a narrow glass pipette.","membership":"Includes the visible bulb or cap, collar, and glass pipette with its enclosed interior. Excludes the banner and neighboring glassware.","id":"obj_013","temporal":{"status":"found","start_s":6.5,"end_s":8.0,"reference_s":6.5,"evidence":"目标是收尾构图右上侧斜置的紫色网点滴管，可见带纹路的帽圈及细长玻璃吸管，与旁边烧瓶区分明确。6.25秒时仍被视频右边界截断；6.5秒起进入画框内的设计性裁切状态，结构已建立，持续至最后采样帧7.75秒。视频在8.0秒结束，无后续帧。选择6.5秒作为关键帧，此时帽圈和吸管的可见部分较多、轮廓较清楚。","start_frame":156,"end_frame":192,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[884,145,964.6,421.3],"positive_points":[[955.2,174.1],[942.7,202.8],[955.2,220.4],[938,278.7],[920.3,333.3],[899,397.2]],"negative_points":[[796.9,296.3],[911.5,476.9],[906.3,213],[979.2,310.2]],"evidence":"目标是右上边缘斜置的滴管，由带纹理的紫色帽、连接环和细长玻璃管组成。框覆盖从帽顶到被横幅遮挡处的全部可见部分；正点分布于帽、连接环及管身内部，负点位于邻近烧瓶、横幅、外部空白和右侧边框，均不属于滴管。"}},{"name":"Closing graduated beaker illustration","description":"Large tilted purple halftone beaker below the left half of the closing banner, with prominent graduation marks and a broad lower edge.","membership":"Includes the beaker boundary, enclosed body and interior, shading, and graduation marks. Excludes the banner occluding its upper portion and adjacent instruments.","id":"obj_014","temporal":{"status":"found","start_s":6.25,"end_s":8.0,"reference_s":6.25,"evidence":"目标是结束横幅左半部下方倾斜的紫色网点烧杯，具有明显刻度和宽阔底沿，上部被横幅遮挡。6.00秒尚未显露杯身，6.25秒首次完整呈现其可见结构；此后持续作为结束画面的组成部分，最后合格帧为7.75秒。后续装饰边框造成的局部裁切属于构图，并���退出。区间到达视频末尾，无后续采样帧。选择6.25秒作为关键帧，因为刻度、杯身和底沿最清楚，边框遮挡最少。","start_frame":150,"end_frame":192,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[182.3,577.8,426.6,918.5],"positive_points":[[260,643],[364,615],[327,719],[291,796],[338,882],[199,759]],"negative_points":[[338,513],[532,692],[170,669],[415,811]],"evidence":"目标是横幅左半部下方倾斜的紫色刻度烧杯。边界框紧贴横幅以下可见的杯体、刻度及宽阔底缘，不包含被遮挡部分。正点分布在刻度、杯身阴影和底缘上；负点位于遮挡横幅、右侧试管及杯外背景。"}},{"name":"Forceps illustration","description":"Long, narrow purple forceps extending diagonally from the lower-left edge toward the underside of the closing banner.","membership":"Includes the two tapered arms and their visible joined portion. Excludes the open gap between the arms, background, and overlaid banner.","id":"obj_015","temporal":{"status":"found","start_s":6.25,"end_s":8.0,"reference_s":6.25,"evidence":"目标为横幅左下方斜向延伸的紫色细长镊子，具有两条尖细夹臂，不是横幅上方的宽口夹钳。6.00秒尚未显示该镊子，6.25秒其可见结构已完整出现；随后虽被横幅及装饰边框局部遮挡，仍持续存在至最后一帧7.75秒。区间延至视频末尾8.00秒，无后续采样帧。选择6.25秒作为关键帧，两条夹臂清楚且未被装饰边框裁切。","start_frame":150,"end_frame":192,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[20.3,577.8,140.6,725],"positive_points":[[28.6,684.3],[63.5,633.3],[90.6,588],[39.6,712],[78.1,656.5],[122.4,590.7]],"negative_points":[[10.4,638.9],[156.3,703.7],[93.8,518.5],[109.4,370.4]],"evidence":"目标是左下方从横幅下缘斜向左下伸出的紫色镊子。边框紧贴其两条可见细长锥形臂及靠近横幅的可见连接部分；六个正点分布在两臂上，负点位于外围背景、覆盖横幅和上方另一器具上，未标记两臂之间的空隙。"}},{"name":"Inverted conical flask illustration","description":"Large purple halftone conical vessel below the right side of the closing banner, narrowing into a long neck that points down and right.","membership":"Includes the vessel body, shoulder, neck, rim, and enclosed interior following its actual outline. Excludes the banner and separate round flask above.","id":"obj_016","temporal":{"status":"found","start_s":6.25,"end_s":8.0,"reference_s":6.25,"evidence":"目标是结束横幅右下方的紫色半调锥形瓶，瓶身向下收窄，长颈和瓶口朝右下，与横幅上方的圆底瓶不同。6.00秒尚未显露其完整结构；6.25秒瓶身、长颈和瓶口已完整呈现，此后随版面缩放，部分被横幅及装饰边框遮挡，并非退出。最后合格帧为7.75秒，持续至视频结束，之后无采样帧。选择6.25秒作为关键帧，瓶颈和瓶口清楚，边框遮挡最少。","start_frame":150,"end_frame":192,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[608,577,797,930],"positive_points":[[729,610],[698,657],[677,678],[729,787],[750,855],[766,897]],"negative_points":[[773,514],[760,352],[656,815],[828,722]],"evidence":"目标是横幅右侧下方倒置的紫色锥形瓶，瓶身向右下收窄并连接长颈。框覆盖可见瓶身、肩部、瓶颈及底端瓶口；正点分布于这些部位的内部和瓶口，负点位于横幅、上方独立圆底瓶及外围背景，均不包含在目标中。"}},{"name":"Syringe illustration","description":"Slim purple halftone syringe above the center-right of the closing title, angled upward to the right with a fine exposed needle.","membership":"Includes the visible barrel, internal markings, hub, and needle. Excludes the title that covers its lower portion and the neighboring test tube.","id":"obj_017","temporal":{"status":"found","start_s":6.5,"end_s":8.0,"reference_s":7.0,"evidence":"目标是片尾标题中央偏右、向右上倾斜的紫色网点注射器，可见针筒、刻度、针座和细针，下部被标题遮挡，与左邻试管不同。首个合格帧为6.50秒，前一帧6.25秒尚未见该注射器；此后持续可见，最后合格帧为7.75秒，区间延伸至视频结束8.00秒，无后续帧。选择7.00秒作关键帧，轮廓清晰且位置稳定，便于区分邻近器材。","start_frame":156,"end_frame":192,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[583.3,78.7,660.4,420.4],"positive_points":[[656.4,86.1],[649.5,114.8],[636.5,176.9],[623.4,250.0],[606.8,330.6],[594.8,398.1]],"negative_points":[[569.3,222.2],[768.2,305.6],[630.2,490.7],[692.7,171.3]],"evidence":"目标是标题中部偏右上方、向右上倾斜且露出细针的注射器。框覆盖可见针头、针座、带刻线的细管、紫色筒身及标题上方露出的下端；不包含遮挡它的标题。六个正点分布于这些可见部件，负点位于左邻试管、右侧烧瓶、下方标题和右上背景。"}},{"name":"Evaporating dish illustration","description":"Small purple halftone shallow dish at the lower right of the closing composition, with an elliptical opening and a small pouring lip on the left.","membership":"Includes the dish's outer boundary, wall, pouring lip, and enclosed opening. Excludes the cross-shaped background decoration behind it.","id":"obj_018","temporal":{"status":"found","start_s":6.5,"end_s":8.0,"reference_s":6.75,"evidence":"目标是结尾画面右下方的紫色半调浅蒸发皿，具有椭圆形开口、皿壁和左侧小倾倒嘴，不包括后方十字装饰。6.25秒时仍在右侧边界外进入、结构被裁切；6.50秒首次完整呈现，至最后采样帧7.75秒持续可见。区间延续至视频结束，无后续帧。选择6.75秒作为关键帧，皿体轮廓、开口及倾倒嘴清晰且无遮挡。","start_frame":156,"end_frame":192,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[788.5,726.9,893.2,848.1],"positive_points":[[794.8,832.4],[808.3,756.5],[851.0,745.4],[837.0,787.0],[833.3,832.4],[882.3,799.1]],"negative_points":[[900.0,826.9],[869.3,874.1],[765.6,750.9],[921.9,870.4]],"evidence":"目标是画面右下方带椭圆开口和左侧小倾倒嘴的紫色浅蒸发皿。边界框紧贴皿的外轮廓，包含皿壁、倾倒嘴及开口内部；六个正点分布于这些部位。负点位于皿外的十字装饰及周围背景，不包含在目标内。"}}]}
+{"video_id":154,"video_type":"visual design and media animation","targets":[{"name":"Adobe After Effects icon","description":"A glossy dark-purple rounded-square icon with lavender “Ae” lettering, presented alone initially and retained in the upper-left corner during the Google animation.","membership":"Includes the rounded-square icon surface and its lettering. Excludes the surrounding background and cast shadow.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":6.25,"reference_s":0,"evidence":"目标是左上角带淡紫色“Ae”字样的深紫色高光圆角方形图标，不含投影。首个合格帧为0.00秒，图标已完整呈现；末个合格帧为6.00秒。6.25秒画面及图标开始变暗淡出，因此不纳入。区间始于视频开头，无更早采样帧。选择0.00秒为关键帧，图标清晰完整、无遮挡，背景干净，便于标注。","start_frame":0,"end_frame":150,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[30.2,32.4,136.5,216.7],"positive_points":[[44.3,60.2],[112,60],[53.6,143.5],[103.1,134.3],[46.4,189.8],[119.8,188]],"negative_points":[[18.2,125],[151,134],[93.8,241.7],[182.3,277.8]],"evidence":"目标位于图像左上角，是带有淡紫色“Ae”字样的亮面深紫色圆角方形图标。边界框紧贴图标本体，排除投影。六个正点分布于图标表面及字母笔画，四个负点位于图标外的白色背景和投影区域。"}},{"name":"Six-dot loading animation","description":"A central sequence of blue, red, yellow, blue, green, and red dots. The dots appear progressively, bounce in a wave, and stretch into rounded vertical bars before the Google wordmark appears.","membership":"Includes all six colored shapes belonging to this compact animation, following their changing outlines. Excludes the gaps between shapes, motion-blur trails, background, and upper-left icon.","id":"obj_002","temporal":{"status":"found","start_s":0.75,"end_s":5.0,"reference_s":0.75,"evidence":"目标是中央按蓝、红、黄、蓝、绿、红排列的六个彩色形状，包含其波浪跳动及拉伸成圆角竖条的阶段。首个合格帧为0.75秒，六个形状均已完整出现；此前0.50秒最右红点仍在逐步显现。最后合格帧为4.75秒；紧接的5.00秒已开始向Google字标转换，结束此次出现。选择0.75秒作为关键帧，六个形状清晰分离、无遮挡，便于标注。","start_frame":18,"end_frame":120,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[369.3,467.6,635.4,538.9],"positive_points":[[387.5,501.9],[433.9,502.8],[479.2,501.9],[524,504.6],[568.8,502.8],[614.1,503.7]],"negative_points":[[83,120],[500,400],[500,600],[680,505]],"evidence":"目标为画面中央依次呈蓝、红、黄、蓝、绿、红的六个彩色圆润形状。边界框紧贴六个形状的整体可见范围；六个正点分别位于各形状内部，负点位于外围白色背景及左上角被排除的图标上。"}},{"name":"Google wordmark","description":"The large central “Google” wordmark, with blue, red, yellow, blue, green, and red letters, revealed after the dots and bars.","membership":"Includes only the colored letterforms of “Google”. Excludes the white background and any residual transition shapes.","id":"obj_003","temporal":{"status":"found","start_s":5.25,"end_s":5.75,"reference_s":5.25,"evidence":"目标是画面中央由蓝、红、黄、蓝、绿、红六个字母组成的 Google 字标。首个合格帧为5.25秒，字母已完整呈现；最后合格帧为5.50秒。此前5.00秒仍是彩色圆点向字母转变的未完成揭示，此后5.75秒字标已消失。选择5.25���作为关键帧，因为字形清晰完整、无遮挡且无残余过渡形状。","start_frame":126,"end_frame":138,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[275.5,372.2,712.5,627.8],"positive_points":[[284.4,472.2],[424.5,453.7],[503.6,558.3],[588.5,614.8],[631.8,414.8],[697.9,548.1]],"negative_points":[[83.3,125],[494.8,277.8],[229.2,509.3],[755.2,509.3]],"evidence":"图像中央可见完整的六色“Google”字标，边界框紧贴全部字母的最外缘。六个正点分别落在各字母的彩色笔画上；负点位于左上角Ae图标及字标上方、左侧和右侧的外部白色背景，避开字母内部空洞与间隙。"}},{"name":"Returning six-dot loading animation","description":"The blue, red, yellow, blue, green, and red dot sequence presented again after the Google wordmark disappears. It resumes its progressive appearance and bouncing movement as the scene darkens.","membership":"Includes the colored dots in this returning sequence, following their individual outlines. Excludes intervening background, fading overlays, and corner branding.","id":"obj_004","temporal":{"status":"found","start_s":6.5,"end_s":7.0,"reference_s":6.5,"evidence":"目标是 Google 字标消失后再次出现的蓝、红、黄、蓝、绿、红六点组。6.25 秒末端红点仍处于渐次显现阶段；6.50 秒六点均已完整呈现，6.75 秒仍可见同组六点，首个蓝点向上跳动。场景变暗的覆盖层不计入目标。7.00 秒已切换为其他图形场景，六点消失。选择 6.50 秒作为关键帧，因为六点轮廓完整且比下一帧清晰。","start_frame":156,"end_frame":168,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[369.3,467.6,636.0,538.9],"positive_points":[[386.5,501.9],[433.9,499.1],[478.6,504.6],[522.9,499.1],[568.2,505.6],[615.1,501.9]],"negative_points":[[500,425],[500,586],[674,502],[85,124]],"evidence":"画面中央可见蓝、红、黄、蓝、绿、红六个彩色圆点，与变暗场景中的返回加载序列相符。边界框紧贴六点的整体可见范围；六个正点分别位于各圆点内部，负点位于序列上方、下方、右侧背景及左上角品牌图标，排除点间背景和角落品牌。"}},{"name":"Tall dark building","description":"A tall black rectangular block with a dark-gray side, first appearing to the right of center in the pale-blue motion-graphics scene. It subsequently stands in front of the large colorful eye.","membership":"Includes the building’s solid front and side faces and outer silhouette. Excludes neighboring outlined shapes, the eye behind it, and foreground overlays.","id":"obj_005","temporal":{"status":"found","start_s":7.25,"end_s":9.75,"reference_s":8.5,"evidence":"目标是浅蓝场景中偏右的高楼，具有黑色正面和深灰色侧面，随后位于彩色大眼睛前方。7.25秒首次完整呈现，前一帧7.00秒尚未出现。最后合格帧为9.50秒；9.75秒场景变形使楼体下部越出画面底边，开始被裁切。选择8.50秒作关键帧，此时楼体轮廓清晰、两面完整，易与旁边的矮楼及线框区分。","start_frame":174,"end_frame":234,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[508.3,534.3,577.6,765.7],"positive_points":[[523,555],[529,644],[521,741],[563,566],[558,665],[567,746]],"negative_points":[[452,630],[617,508],[357,688],[465,752]],"evidence":"目标是彩色大眼睛前方的高矩形建筑，正面黑色、右侧深灰色。边界框紧贴两块实体面的外轮廓；六个正点分布于正面和侧面的上中下部，负点位于左邻轮廓形状、后方眼睛、左侧矮楼及前景绿色十字上。"}},{"name":"Large rainbow eyeball","description":"A large circular eye with a blue-to-purple multicolored outer surface, white inner eye, dark reddish-brown iris, black pupil, and white highlight. It moves behind the foreground blocks and later remains partly visible toward the lower right.","membership":"Includes the complete circular eye graphic and all of its internal colored regions. Excludes its offset background shadow, overlaid clouds, buildings, and nearby geometric decorations.","id":"obj_006","temporal":{"status":"found","start_s":7.75,"end_s":12.25,"reference_s":8.5,"evidence":"目标是具有蓝紫彩虹外圈、白色眼球、红褐色虹膜及黑色瞳孔的大眼睛，不包含后方阴影。7.50秒初次显露时顶部仍被揭示边界截去；7.75秒完整结构已建立，随后在云朵和前景楼块后移动，并在右下方保持部分可见。最后合格帧为12.00秒，12.25秒扩张的黑色遮罩开始将其移除。选择8.50秒作为关键帧，眼睛轮廓和内部色区清楚，且易与其他眼睛区分。","start_frame":186,"end_frame":294,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[381,226,674,637],"positive_points":[[461,299],[481,573],[542,352],[593,324],[639,344],[635,294]],"negative_points":[[402,394],[638,698],[541,653],[773,368]],"evidence":"目标是画面中央偏上的大型彩虹眼球，具有白色眼白、红褐色虹膜、黑色瞳���和白色高光。边界框紧贴眼球可见外缘，不包含下方偏移的蓝灰色阴影。正点分布于彩虹表面及眼睛内部各色区域；负点位于遮挡云朵、背景阴影、前景楼块和右侧太阳上。"}},{"name":"Yellow sun","description":"A bright yellow circular sun with numerous straight radial rays, positioned in the upper-right portion of the pale-blue animated scene and partly overlapped by a white cloud.","membership":"Includes the yellow disk and its individual rays. Excludes the spaces between rays, the overlapping cloud, and adjacent outlined polygons.","id":"obj_007","temporal":{"status":"found","start_s":7.5,"end_s":10.0,"reference_s":8.5,"evidence":"目标是淡蓝场景右上方被白云部分遮挡的黄色圆盘及直线放射光芒。7.25秒尚未出现，7.5秒其结构已完整建立；最后合格帧为9.75秒，10.0秒太阳随画面运动开始被上边界裁切。选择8.5秒作为关键帧，太阳轮廓及光芒清楚，易与白云和邻近线框多边形区分。","start_frame":180,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[672.4,161.1,874.5,511.1],"positive_points":[[758.3,374.1],[795.8,375],[768.8,184.3],[682.8,343.5],[775,480.6],[861.5,388]],"negative_points":[[811.5,278.7],[885.4,407.4],[708.3,546.3],[651,197.2]],"evidence":"目标是右上方被白云部分遮挡的黄色太阳。边界框紧贴可见黄色圆盘及所有放射状光芒的外缘；六个正点分布在圆盘和上、下、左、右侧光芒上。负点位于遮挡的白云、右侧多边形内部以及太阳外部背景，不标记光芒间隙。"}},{"name":"Short dark building","description":"A shorter gray-and-black block that appears left of the taller building, rotates during its entrance, and settles with small yellow square windows on its front.","membership":"Includes the block’s solid faces, outer silhouette, and yellow windows as they appear. Excludes nearby wireframe rectangles, the green plus sign, and the eye behind it.","id":"obj_008","temporal":{"status":"found","start_s":7.5,"end_s":9.75,"reference_s":9.25,"evidence":"目标是高楼左侧较矮的灰黑实心楼块，入场时旋转，随后正面出现黄色方窗；不包括旁边的线框。7.50秒楼块自身结构已完整，7.25秒尚未出现。最后合格帧为9.50秒；9.75秒场景变形将它移至画面下缘，楼体开始被边界裁切。选择9.25秒作关键帧，此时楼体和黄色窗户清楚，便于与高楼及线框区分。","start_frame":180,"end_frame":234,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[336,626,403,760],"positive_points":[[344,642],[353,725],[379,648],[395,672],[379,741],[397,721]],"negative_points":[[533,646],[466,755],[426,713],[311,685]],"evidence":"目标是画面下方中央偏左、带两列黄色方窗的矮楼，位于高楼左侧。边界框紧贴其深色侧面、灰色正面及可见外轮廓；正点分布于楼体实心面和黄色窗户，负点位于右侧高楼、绿色加号、后方眼睛及左侧背景，排除这些相邻对象。"}},{"name":"Eye-shaped night-city illustration","description":"A broad dark almond-shaped illustration opening across the center of the scene. It contains stars, a suspension bridge, layered city silhouettes, reflective water, and a large colorful eye.","membership":"Includes the almond-shaped outer boundary and its entire enclosed illustrated area, including the separately identified central eyeball. Excludes the pale-blue collage outside its boundary and any surrounding transition fragments.","id":"obj_009","temporal":{"status":"found","start_s":9.75,"end_s":12.25,"reference_s":10.0,"evidence":"目标是中央深色杏仁形插画，边界内含星空、悬索桥、城市剪影、水面倒影和彩色眼球。9.75秒首次完整展开，12.00秒为最后一个完整可见帧；此前9.50秒仍是尚未展开完成的狭缝，此后12.25秒插画被黑色转场遮除，仅余小眼球及外围碎片。选择10.00秒作为关键帧，因外轮廓及内部景物清晰、遮挡少。","start_frame":234,"end_frame":294,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[42,106,953,894],"positive_points":[[186,497],[359,311],[495,327],[772,487],[510,706],[490,840]],"negative_points":[[62,667],[252,176],[770,172],[928,619]],"evidence":"目标是横贯画面中央的深色杏仁状夜景插画。边界框紧贴左右尖端、顶部弧线及底部水面，包含中央彩色眼球、星空、吊桥和城市。正点分布在两侧夜空、眼球、城市与水面；负点位于边界外的浅蓝拼贴背景和上方云朵、太阳区域。"}},{"name":"Central eyeball of the night-city illustration","description":"The large circular eye inside the dark almond-shaped city illustration, distinguished by its multicolored blue-and-purple outer area and brown iris. Its pupil moves, and the eye later shrinks into a standalone circular graphic on black with a gray iris.","membership":"Includes the circular eye’s outer colored surface, iris, black pupil, and white highlight throughout its movement and scaling. Excludes the surrounding almond-shaped city illustration, black background, and subsequently added concentric rings.","id":"obj_010","temporal":{"status":"found","start_s":9.75,"end_s":14.0,"reference_s":12.75,"evidence":"目标是暗色杏仁形夜景中央的蓝紫色圆眼，具有棕色虹膜、黑色瞳孔和白色高光；随后连续缩小为黑底上的灰色虹膜圆眼。9.50秒仅通过狭缝局部揭示，9.75秒自身结构已完整建立。最后合格帧为13.75秒，新增同心环不属于目标，圆眼仍完整存在；区间到达视频结尾，无后续采样帧。选择12.75秒作为关键帧，此时圆眼完整、无遮挡，且尚无外围同心环干扰。","start_frame":234,"end_frame":336,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[442.7,138,558,341.7],"positive_points":[[503,166],[546,260],[494,319],[475,245],[493,251],[501,222]],"negative_points":[[500,102],[416,240],[582,243],[500,385]],"evidence":"目标是黑色背景上方中央的独立圆形眼球，具有蓝紫渐变外层、灰色虹膜、黑色瞳孔和白色高光。边界框紧贴整个眼球的可见外缘；六个正点分布在彩色外层、虹膜、瞳孔及高光上，四个负点位于眼球上下左右的外部黑色背景。"}},{"name":"Concentric circular animation","description":"A yellow ring develops around the small standalone eyeball, followed by a broad purple outer ring. Red and cyan curved bands with white edging occupy the surrounding circular structure.","membership":"Includes the outer circular boundary and all enclosed area, including the yellow and purple regions, curved colored bands, and central eyeball. Excludes the black background beyond the outer circle and the corner watermark.","id":"obj_011","temporal":{"status":"found","start_s":13.5,"end_s":14.0,"reference_s":13.75,"evidence":"目标为包围中央眼球的黄色内环、紫色外环及带白边的红色和青色弧带。13.50秒首次完整呈现全部指定结构，13.75秒仍完整可见，尺寸变化不影响纳入。前一帧13.25秒只有黄色环和红色弧带，紫色外环与青色弧带尚未建立。最后合格帧为13.75秒，区间延续至视频结束14.00秒，无后续帧。选择13.75秒作为关键帧，因整体较大、边界清晰且无遮挡。","start_frame":324,"end_frame":336,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[334.4,204.6,666.1,795.4],"positive_points":[[501,254],[364,481],[469,355],[490,480],[582,504],[508,744]],"negative_points":[[284,496],[716,497],[501,144],[969,969]],"evidence":"目标是画面中央由紫色外圈、黄色环、红色与青色白边弧带及眼球组成的同心圆图案。边界框紧贴紫色最外圆，包含其全部内部区域；正点分布于各色区域、弧带和眼球，负点位于圆外黑色背景及右下角水印。"}}]}
+{"video_id":155,"video_type":"visual design and media animation","targets":[{"name":"Adobe After Effects icon","description":"A dark indigo rounded-square icon with lavender “Ae” lettering, displayed in the upper-left corner during the Google animation.","membership":"Includes the rounded-square surface, boundary, and enclosed lettering. Excludes the surrounding white background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":4.5,"reference_s":0,"evidence":"目标是左上角深靛蓝色圆角方形、内含淡紫色“Ae”字样的 Adobe After Effects 图标。首个合格帧为 0.00 秒，图标已完整呈现；最后合格帧为 4.25 秒，图标仍完整可见。4.50 秒画面切换，图标消失，因此区间结束于 4.50 秒。区间始于视频开头，没有更早的采样帧。选择 0.00 秒为关键帧，图标轮廓和文字清晰且无遮挡。","start_frame":0,"end_frame":108,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[17.7,22.2,120.3,200.9],"positive_points":[[33.9,54.6],[96.4,52.8],[47.4,104.6],[90.6,119.4],[35.9,169.4],[99.5,169.4]],"negative_points":[[150,92.6],[67.7,259.3],[6.3,120.4],[67.7,7.4]],"evidence":"目标是左上角带淡紫色“Ae”字样的深靛蓝圆角方形图标。边界框紧贴整个图标，涵盖底色、圆角边界和字母；六个正点分布于图标表面及字母上，四个负点位于图标四周的白色背景。"}},{"name":"Animated Google wordmark","description":"The central Google wordmark progressively drawn with rounded blue, red, and yellow strokes, eventually resolving into blue, red, yellow, blue, green, and red letters before its components rearrange.","membership":"Includes the letter shapes and their enclosed counters, including partially drawn strokes belonging to the wordmark. Excludes the corner After Effects icon, bottom caption, background, and detached transition trails.","id":"obj_002","temporal":{"status":"found","start_s":1.0,"end_s":2.25,"reference_s":1.75,"evidence":"目标是画面中央由彩色圆头笔画组成的 Google 字标。1.00 秒六个字母的整体结构已完整建立，后续白色和彩色区域继续变化；0.75 秒末尾 e 的下部尚未揭示完���。最后合格帧为 2.00 秒，字母虽有缩放移动但仍组成字标；2.25 秒 g 已脱离原排列，组件开始拆散重组。选择 1.75 秒作为关键帧，字标较清楚、无遮挡，便于区分各字母与背景。","start_frame":24,"end_frame":54,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[216,365,769,687],"positive_points":[[232,478],[371,522],[501,467],[629,593],[661,563],[750,585]],"negative_points":[[69,108],[493,912],[500,259],[838,534]],"evidence":"目标是画面中央正在变形绘制的 Google 彩色字标。边界框覆盖各字母及其可见的局部笔画，不包含外围脱离的过渡拖影。六个正点分别落在六个字母的实际彩色笔画上；负点位于左上角 Ae 图标、底部字幕及字标外的白色背景。"}},{"name":"What we will learn caption","description":"The persistent bottom-centered white bold caption reading “What we will learn,” presented over a black rectangular backing.","membership":"Includes only the complete caption lettering. Excludes its black backing, the letterbox bars, and other animated titles.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":11,"reference_s":0,"evidence":"目标是底部居中的白色粗体“What we will learn”完整文字，不含黑色底板。文字从首帧0.00秒到末帧10.75秒始终完整可见，故区间为[0,11)。区间两端均到达视频边界，没有更早或更晚的采样帧。选择0.00秒为关键帧，文字清晰、无遮挡，且与其他图形分离。","start_frame":0,"end_frame":264,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[353.6,888,645.8,936.1],"positive_points":[[362.5,913],[392.7,911.1],[487.5,930.6],[552.1,913],[565.6,912],[642.2,917.6]],"negative_points":[[347,912],[650.5,912],[490,966],[490,858]],"evidence":"目标是画面底部居中的白色粗体“What we will learn”。边界框仅覆盖完整字幕字形，不含黑色衬底；六个正点分布在各词的白色笔画上，负点位于文字两侧的黑色衬底及字幕上下的外部白色背景。"}},{"name":"Google-letter face graphic","description":"A face-like arrangement made from Google-colored letterforms, with red and yellow circular eyes, blue shapes at the sides and bottom, a small red “e” in the middle, and five green bars fanning upward like hair.","membership":"Includes the letterform shapes, their enclosed areas, and the five green bars as one coherent graphic. Follows the individual component outlines rather than filling the gaps between them. Excludes motion-blur trails, background, and the bottom caption.","id":"obj_004","temporal":{"status":"found","start_s":2.75,"end_s":4.5,"reference_s":3.25,"evidence":"目标由红黄圆眼、两侧及底部蓝色字形、中央红色 e 和五根绿色发条组成。2.75 秒首次形成完整人脸，4.25 秒仍整体可见，只是向左运动产生明显模糊，未被画面边界裁切。此前 2.50 秒红色 e 尚在右侧，组合仍未完成；此后 4.50 秒图形消失。选择 3.25 秒作为关键帧，轮廓清晰、各组成部分完整且无遮挡。","start_frame":66,"end_frame":108,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[251.5,90.7,602.7,818.5],"positive_points":[[289.1,277.8],[562.5,250],[375.5,501.9],[490.1,509.3],[261.5,556.5],[464.6,794.4]],"negative_points":[[68,110],[489,913],[193,502],[661,578]],"evidence":"根据五根向上扇开的绿色条、红黄圆形眼睛及蓝色和红色字母构成的脸部识别目标。边界框紧贴绿色条顶端至底部蓝色字形，排除浅色拖影。正点分布在绿色条、红黄眼睛、左侧及底部蓝色字形上；负点位于左上角Ae标志、底部字幕和图形两侧的外部白色背景。"}},{"name":"Motion Graphics title","description":"A central two-line title with smaller black “Motion” above large “Graphics.” The lower word appears first as an outline and then changes through white-on-orange to solid orange lettering.","membership":"Includes both words and their visible letter outlines throughout the reveal and style changes. Excludes the orange reveal rectangle, small moving black marker, textured background, and bottom caption.","id":"obj_005","temporal":{"status":"found","start_s":5.25,"end_s":6.25,"reference_s":5.75,"evidence":"目标为中央上下排列的黑色“Motion”和大号“Graphics”，不含橙色揭示矩形及黑色标记。5.25秒两词首次完整呈现，下词为完整轮廓；随后经历白字橙底和实心橙字样式，最后合格帧为6.00秒。前一帧5.00秒下词仅显露“Gra”，尚未完成；后一帧6.25秒已被“Combine”替换。选择5.75秒作为关键帧，两词清晰完整且无明显遮挡。","start_frame":126,"end_frame":150,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[215.6,358.3,795.3,638.0],"positive_points":[[345,400],[494,409],[234,509],[465,615],[549,509],[780,561]],"negative_points":[[156,509],[849,509],[521,722],[474,912]],"evidence":"中央标题由上方较小的黑色“Motion”和下方大号橙色“Graphics”组成。边界框紧贴两词的整体可见范围；六个正点分布在两行字母的实际笔画上，四个负点位于标题左右及下方的纹理背景和底部字幕上。"}},{"name":"Combine heading","description":"The orange word “Combine,” initially presented as a large central title, then reduced to a heading above “animation” and “design,” and later retained inside a small white inset.","membership":"Includes only the lettering of “Combine” throughout its scaling and relocation. Excludes the changing words below it, the white inset surface, and the surrounding titles.","id":"obj_006","temporal":{"status":"found","start_s":6.25,"end_s":9.25,"reference_s":6.5,"evidence":"目标是橙色“Combine”字样：先为中央大标题，随后缩小至“animation”和“design”上方，最后保留在白色小插图内。首个完整帧为6.25秒，最后合格帧为9.00秒；此前6.00秒显示的是“Motion Graphics”，尚无目标，之后9.25秒画面放大切换，目标已不可见。选择6.50秒作为关键帧，字样完整、清晰且无遮挡。","start_frame":150,"end_frame":222,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[216.7,402.8,783.3,597.2],"positive_points":[[230,496],[354,574],[455,519],[530,444],[643,529],[758,525]],"negative_points":[[170,498],[824,511],[502,330],[491,686]],"evidence":"目标是画面中央的大号橙色“Combine”。边界框紧贴整个单词的可见字形；六个正点分布在不同字母的橙色笔画上，四个负点位于标题上、下、左、右的外部浅色背景，避开字母内部空洞和底部字幕。"}},{"name":"animation text","description":"The large black lowercase word “animation,” revealed beneath the smaller orange “Combine” heading and then sliding apart and out.","membership":"Includes the complete word’s lettering, including its moving portions during departure. Excludes “Combine,” the background, and blur trails.","id":"obj_007","temporal":{"status":"found","start_s":6.75,"end_s":7.5,"reference_s":7.0,"evidence":"目标是橙色“Combine”下方的大号黑色小写“animation”。6.75秒完整单词已出现，虽有运动模糊但字形结构齐全；7.25秒各段移动分离，指定包含的全部字母仍可见，是最后合格帧。前一帧6.50秒只有“Combine”；后一帧7.50秒文字已向画面外退出并被边界裁切。选择7.00秒作为关键帧，因为完整单词清晰、无遮挡，易于标注。","start_frame":162,"end_frame":180,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[211.5,411.1,788.5,588.9],"positive_points":[[241,575],[296,522],[371,429],[443,524],[591,522],[777,534]],"negative_points":[[424,381],[182,509],[829,510],[500,694]],"evidence":"目标是橙色“Combine”下方的大号黑色小写“animation”。边界框紧贴完整单词，包含两个 i 的圆点；正点分布于不同字母的实心笔画上，负点位于橙色标题及单词左、右、下方的外部背景。"}},{"name":"design text","description":"The large black lowercase word “design” replacing “animation” beneath “Combine.” It subsequently shrinks with the heading into a white inset on the orange layout.","membership":"Includes only the lettering of “design” throughout its reveal, scaling, and movement into the inset. Excludes “Combine,” the inset backing, and adjacent “Visual storytelling” text.","id":"obj_008","temporal":{"status":"found","start_s":8.0,"end_s":9.25,"reference_s":8.0,"evidence":"目标是“Combine”下方的黑色小写“design”，随后随标题缩入橙色版面上的白色嵌板。7.75秒末尾字母仍呈灰色，初始淡入尚未完成；8.00秒首次完整显现。此后缩放、移动均保持完整，最后合格帧为9.00秒。9.25秒画面放大转场，目标已移出可见范围。选择8.00秒作关键帧，文字大且清晰，无遮挡。","start_frame":192,"end_frame":222,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[293.8,406.5,706.3,637.0],"positive_points":[[359.4,495.4],[387.5,521.3],[488.5,524.1],[535.9,523.1],[614.6,538.0],[694.8,523.1]],"negative_points":[[489.1,388.9],[250.0,518.5],[739.6,518.5],[500.0,703.7]],"evidence":"目标是橙色“Combine”下方的大号黑色小写“design”。边界框紧贴完整单词，包括 i 的圆点和 g 的下伸部分；六个正点分别落在六个字母的实心笔画上。负点位于上方“Combine”及单词左侧、右侧和下方的外部背景，不包含字母内部空洞或字间空隙。"}},{"name":"Visual storytelling title","description":"A large two-line title on an orange background, with black “Visual” above white “storytelling.” A small inset containing “Combine design” sits to the right of the upper word.","membership":"Includes the lettering of “Visual” and “storytelling” as one title. Excludes the adjacent inset and its contents, orange background, bottom caption, and transition blur.","id":"obj_009","temporal":{"status":"found","start_s":9.0,"end_s":9.25,"reference_s":9.0,"evidence":"目标是橙色背景上黑色“Visual”和白色“storytelling”组成的两行标题，不含右侧“Combine design”嵌框。首个及最后一个合格采样帧均为9.00秒，两行文字已完整呈现；此前8.75秒的“storytelling”仍在逐字显现，尚未完整；此后9.25秒标题放大转场，文字被画面边界裁切且明显模糊。选择9.00秒为关键帧，标题清晰完整，便于标注。","start_frame":216,"end_frame":222,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[154.2,288.9,845.8,711.1],"positive_points":[[176.6,336.1],[310.4,362],[516.1,398.1],[182.8,638],[437,688.9],[835.9,606.5]],"negative_points":[[625,389.8],[500,913.9],[99,546.3],[427.1,185.2]],"evidence":"根据上行黑色“Visual”和下行白色“storytelling”识别标题，边界框紧密覆盖两行完整文字。六个正点分布在两行字母笔画上；负点位于右上“Combine design”插块、底部字幕及标题外的橙色背景，均排除于目标之外。"}},{"name":"to transform static ideas title","description":"A large central two-line statement on the pale textured background, with black “to transform” above orange “static ideas.”","membership":"Includes both lines of lettering throughout their entrance and departure. Excludes the textured background, bottom caption, and the incoming replacement title.","id":"obj_010","temporal":{"status":"found","start_s":10.0,"end_s":10.75,"reference_s":10.25,"evidence":"目标为浅色纹理背景中央的两行标题：黑色“to transform”和橙色“static ideas”。首个合格帧为10.00秒，两行均完整可见，虽有运动模糊但结构已齐全；最后合格帧为10.50秒。前一帧9.75秒仍在从上方入场且被画面边缘裁切；后一帧10.75秒已开始淡出，并出现替换标题。选择10.25秒作为关键帧，此时两行文字清晰完整、无遮挡。","start_frame":240,"end_frame":258,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[117.2,295.4,881.3,704.6],"positive_points":[[140,420],[499,422],[863,424],[216,634],[532,638],[849,634]],"negative_points":[[490,217],[65,516],[936,580],[492,910]],"evidence":"目标是画面中央黑色“to transform”和橙色“static ideas”组成的两行标题。边界框紧贴两行完整文字；六个正点分散落在上下两行的字形笔画上，负点位于标题外的浅色纹理背景及底部独立字幕处。"}}]}
+{"video_id":156,"video_type":"visual design and media animation","targets":[{"name":"HouseMade progress tracker","description":"The wide white panel headed “Progress,” containing four pastel stages from “Planning & Research” to “Development & Launch.”","membership":"Includes the panel surface, rounded boundary, heading, and all four labeled arrow-shaped stages. Excludes the application header and the work area below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0.5,"evidence":"目标是标题为“Progress”的宽白色圆角面板，包含从“Planning & Research”到“Development & Launch”的四个彩色箭头阶段。首个合格帧为0.00秒，面板及全部阶段已完整显示；最后合格帧为1.25秒，缩放中仍完整可见。1.50秒已切换为Finova资产仪表盘，目标消失。区间起于视频开头，没有更早帧。选择0.50秒作为关键帧，面板清晰、无遮挡，边界与上下区域易于区分。","start_frame":0,"end_frame":36,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[206.5,232.6,793.5,358.5],"positive_points":[[238.1,261.7],[555.7,257.8],[284.2,320.3],[427.7,318.6],[569.3,320.3],[710.4,321.2]],"negative_points":[[500,177.1],[249,401],[194.8,303.8],[804.7,302.1]],"evidence":"目标是标题为“Progress”的宽白色圆角面板，内含从“Planning & Research”到“Development & Launch”的四个淡色阶段。边界框紧贴整个面板，正点覆盖标题、面板表面及四个阶段；负点位于上方应用页眉、下方工作区和面板左右外部背景。"}},{"name":"HouseMade task list","description":"The left work-management area beneath “Work Process,” with “To-do list” and “Done” tabs, “BOTTLENECKS” and “SOON” groups, and repeated website-content tasks.","membership":"Includes the task-list surface, tabs, group headings, Add Task buttons, task rows, completion circles, descriptions, priority badges, dates, and row menus. Excludes the development and project-information column to its right.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0.5,"evidence":"通过 HouseMade 页面左侧的 To-do list／Done 标签、BOTTLENECKS 和 SOON 分组及重复的网站内容任务行识别目标，不包含右侧开发和项目信息栏。首个合格帧为 0.00 秒，最后为 1.25 秒；期间任务列表结构完整，末段仅发生缩放。0.00 秒已是视频起点，无更早采样帧；紧邻的 1.50 秒已切换为 Finova 资产仪表板。选择 0.50 秒作为关键帧，因为列表边界和各项控件清晰、无遮挡。","start_frame":0,"end_frame":36,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[206.5,416.7,565.9,901.0],"positive_points":[[242,435],[267,481],[530,480],[379,551],[258,682],[435,812]],"negative_points":[[676,554],[650,681],[433,320],[244,182]],"evidence":"根据“To-do list / Done”标签、“BOTTLENECKS / SOON”分组和重复的网站内容任务识别目标。边界框覆盖“Work Process”标题下方的左侧任务列表，从标签栏到图中可见底部，包含按钮和任务行，不含右侧信息列。正点分布于标签、分组标题、添加按钮及不同任务行；负点位于右侧开发说明、项目链接、上方进度条和品牌区域。"}},{"name":"Development description panel","description":"The upper-right section of the HouseMade work area, headed “DEVELOPMENT,” with a pale inset text box about building a website.","membership":"Includes the section boundary and surface, heading, inset box, and its paragraph. Excludes the project links below and task list to the left.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0.5,"evidence":"目标是 HouseMade 工作区右上方的“DEVELOPMENT”分区，包含分区表面和边界、标题、浅色内嵌框及网站建设说明段落，不含下方项目链接或左侧任务列表。首个合格帧为0.00秒，目标已完整呈现；最后合格帧为1.25秒，虽整体放大移动，但该分区仍完整可见。1.50秒已切换为 Finova 仪表盘，目标消失。区间始于视频开头，无更早采样帧。选择0.50秒作为关键帧，因为目标清晰、无遮挡且边界易辨认。","start_frame":0,"end_frame":36,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[565.4,452.3,793,614.6],"positive_points":[[583.5,480],[770.8,479.2],[588.4,521.7],[728.5,537.3],[648.4,574.7],[776.4,590.3]],"negative_points":[[512.7,549.5],[610.4,632.8],[644.5,684],[804.7,539.9]],"evidence":"目标是工作区右上方标题为“DEVELOPMENT”的说明面板。边界框覆盖该节的表面、标题及浅色网站建设说明框，止于下方项目链接区域之前。正点分布在标题、面板表面和说明框内；负点位于左侧任务列表、下方项目链接及右侧外部背景。"}},{"name":"Project links panel","description":"The HouseMade section headed “PROJECT’S LINK,” containing “Figma link view” and “Google drive link view,” each with a URL and Copy link control.","membership":"Includes the section surface, heading, both link rows, link icons, URLs, separators, and copy controls. Excludes the development description and manager section.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0.5,"evidence":"目标是 HouseMade 页面右侧、开发描述下方和项目经理区上方的“PROJECT’S LINK”面板，包含 Figma 与 Google drive 两行、链接图标、URL 和 Copy link 控件。首个合格帧为 0.00 秒，面板已完整呈现；最后合格帧为 1.25 秒，缩放中仍完整可见。1.50 秒已切换到 Finova 页面，目标消失。区间起于视频开头，没有更早采样帧。选择 0.50 秒作为关键帧，因面板清晰、无遮挡且边界易辨认。","start_frame":0,"end_frame":36,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[565.4,611.1,793.5,794.3],"positive_points":[[603,633],[635,677],[760,680],[586,752],[652,759],[723,778]],"negative_points":[[679,555],[622,862],[493,650],[808,723]],"evidence":"根据“PROJECT’S LINK”标题及 Figma、Google drive 两个链接行定位。框覆盖该节表面、标题、链接图标、URL、分隔线和 Copy link 控件，不含上方开发说明或下方经理信息。正点分布在标题、两行链接与控件及节内表面；负点位于开发说明、经理信息、左侧任务区和右侧外部背景。"}},{"name":"Project manager section","description":"The lower-right HouseMade section headed “PROJECT’S MANAGER’S,” showing a circular portrait and the name “Shahid Miah.”","membership":"Includes the visible section surface, heading, portrait, name, and contact line. Excludes neighboring task rows and the links section above.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0,"evidence":"目标位于 HouseMade 页面右下方，可见“PROJECT’S MANAGER’S”标题、圆形头像、“Shahid Miah”姓名和联系行，区别于上方链接区及左侧任务行。首个合格帧为0秒，最后为1.25秒；期间缩放不影响该区完整呈现。视频起点之前无采样帧，紧接的1.5秒帧已切换为Finova仪表板，目标消失。选择0秒作为关键帧，因为标题、头像及文字清晰且无遮挡。","start_frame":0,"end_frame":36,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[565.9,792.5,793.5,900.7],"positive_points":[[613,818],[586,871],[624,861],[637,877],[754,812],[754,875]],"negative_points":[[643,744],[618,677],[497,836],[807,864]],"evidence":"目标位于页面右下角，以“PROJECT’S MANAGER���S”标题、圆形头像和“Shahid Miah”姓名识别。框覆盖该区块可见表面、标题、头像、姓名及联系行，下缘止于截图边界。正点分布于上述内容及区块表面；负点位于上方链接区、左侧任务行和右侧外部背景。"}},{"name":"Finova navigation sidebar","description":"The light left sidebar of the Finova dashboard, with a purple selected “Dashboard” item, asset and finance navigation, and a Fabricio account area at the bottom.","membership":"Includes the sidebar surface, logo, navigation icons and labels, section controls, System User entry, and bottom account selector. Excludes the main dashboard and its top search bar.","id":"obj_006","temporal":{"status":"found","start_s":2.0,"end_s":5.5,"reference_s":5.25,"evidence":"通过浅色侧栏、Finova 标志、紫色 Dashboard 选中项、资产与财务导航及底部 Fabricio 账户区识别目标。首个完整帧为 2.00 秒；前一帧 1.75 秒左侧仍未完全揭示，部分标志和导航贴边裁切。最后合格帧为 5.25 秒，5.50 秒已切换为 Kangaroo 深色界面。选择 5.25 秒作为关键帧，侧栏完整清晰、无遮挡，便于区分右侧主面板和顶部搜索栏。","start_frame":48,"end_frame":132,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[235.4,139.8,327.5,859.4],"positive_points":[[261.2,163.2],[280.3,206.6],[277.8,294.3],[287.1,563.4],[268.1,777.0],[278.3,829.0]],"negative_points":[[382.8,163.2],[386.2,287.3],[212.4,482.6],[529.3,688.4]],"evidence":"根据 Finova 标志、紫色 Dashboard 选中项及底部 Fabricio 账户区识别左侧导航栏。边界框覆盖整条浅色侧栏，包括导航、System User 和账户选择器，不含主面板及顶部搜索栏。正点分布于标志、选中项、导航、侧栏表面及底部用户区域；负点位于搜索栏、主面板卡片和侧栏外背景。"}},{"name":"Asset Total summary card","description":"The first Finova summary card, labeled “Asset Total,” showing “$32,499.93,” an eye icon, and a green monthly comparison.","membership":"Includes the complete card surface, boundary, label, amount, visibility icon, and comparison text. Excludes the neighboring currency cards.","id":"obj_007","temporal":{"status":"found","start_s":1.75,"end_s":5.5,"reference_s":2.5,"evidence":"目标是 Finova 顶部最左侧的“Asset Total”卡片，含 $32,499.93、眼睛图标及绿色月度比较文字，不含相邻货币卡片。首个合格帧为1.75秒，卡片表面与边界已完整建立；前一帧1.50秒仍处于淡入。最后合格帧为5.25秒，下一帧5.50秒已切换为 Kangaroo 深色界面，目标消失。选择2.50秒作为关键帧，卡片清晰、无遮挡且易于区分。","start_frame":42,"end_frame":132,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[324.2,222.2,428.2,353.5],"positive_points":[[346.7,242.2],[363.8,273.4],[404.3,272.6],[367.2,334.2],[335.0,304.7],[416.0,238.7]],"negative_points":[[467.3,278.6],[342.3,187.5],[377.0,388.9],[297.9,277.8]],"evidence":"根据“Asset Total”、金额“$32,499.93”、眼睛图标及绿色月度比较，定位到第一张汇总卡。边界框覆盖完整卡片表面及边界；六个正点分布于标签、金额、图标、比较文字与卡片表面，四个负点位于右侧美元卡、上方标题、下方统计面板及左侧导航区域。"}},{"name":"USD asset summary card","description":"The second Finova summary card, identified by a United States flag and “Asset in USD,” with an amount, portfolio share, and pink downward comparison.","membership":"Includes the card surface, boundary, flag, label, monetary readings, percentage share, and comparison indicator. Excludes the other summary cards.","id":"obj_008","temporal":{"status":"found","start_s":1.75,"end_s":5.5,"reference_s":5.25,"evidence":"目标是 Finova 顶部第二张摘要卡，带美国国旗、“Asset in USD”、金额及粉色下降比较指标。首个合格帧为 1.75 秒，卡片表面和边界已完整建立，内部数值动画不影响容器成立；此前 1.50 秒仍处于初始淡入。最后合格帧为 5.25 秒，紧邻的 5.50 秒已切换到黑色 Kangaroo 界面，目标消失。选择 5.25 秒作为关键帧，因为卡片清晰完整，文字及指标均易于辨认。","start_frame":42,"end_frame":132,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[441.9,237,542.5,362.8],"positive_points":[[453.6,256.1],[464,279.5],[469.7,306.4],[486,322.9],[494.1,344],[527.8,270.8]],"negative_points":[[387.2,293.4],[590.3,298.6],[501.5,396.7],[500,204.9]],"evidence":"目标是顶部摘要区第二张卡片，由美国国旗、“Asset in USD”和粉色下降比较指标确认。边界框覆盖完整卡片表面、边框及内部信息。六个正点分布在国旗、标签、金额、占比、比较信息和卡片表面；四个负点位于左右相邻卡片、下方统计面板及上方外部区域。"}},{"name":"SGD asset summary card","description":"The third Finova summary card, identified by a Singapore flag and “Asset in SGD,” with an amount and green upward comparison.","membership":"Includes the card surface, boundary, flag, label, monetary readings, percentage share, and comparison indicator. Excludes neighboring cards.","id":"obj_009","temporal":{"status":"found","start_s":1.75,"end_s":5.5,"reference_s":5.25,"evidence":"目标是 Finova 顶部第三张汇总卡，以新加坡国旗、“Asset in SGD”、新元金额和绿色上升比较标识识别。首个合格帧为 1.75 秒，卡面及边界已完整建立，后续内部数值揭示不影响卡片起点；此前 1.50 秒仍处于初始淡入。最后合格帧为 5.25 秒，5.50 秒已切换为深色 Kangaroo 页面，目标消失。选择 5.25 秒作为关键帧，因为卡片及其内容清楚完整、无遮挡。","start_frame":42,"end_frame":132,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[548.3,237.0,649.4,362.8],"positive_points":[[559.6,255.2],[571.3,278.6],[581.1,306.4],[582.5,344.6],[637.7,254.3],[639.2,328.1]],"negative_points":[[489.7,303.8],[703.1,303.8],[598.1,204.0],[574.2,395.8]],"evidence":"目标是顶部第三张摘要卡，可由新加坡国旗、“Asset in SGD”、新元金额及绿色上涨比较识别。边界框紧贴整张卡片，包含卡面、边界及全部内部内容。正点分布在国旗、标签、金额、比较指标和卡面上；负点位于左右相邻卡片、上方筛选栏及下方图表区域。"}},{"name":"EUR asset summary card","description":"The rightmost Finova summary card, identified by a European Union flag and “Asset in EUR,” with an amount and green upward comparison.","membership":"Includes the card surface, boundary, flag, label, monetary readings, percentage share, and comparison indicator. Excludes neighboring cards.","id":"obj_010","temporal":{"status":"found","start_s":1.75,"end_s":5.5,"reference_s":5.25,"evidence":"目标是 Finova 顶部最右侧的欧元资产卡，具有欧盟旗帜、“Asset in EUR”、金额及绿色上升比较指标。首个合格帧为 1.75 秒，卡片表面和边界已完整建立，内部数值后续显现不影响容器起点；此前 1.50 秒仍处于整体淡入。最后合格帧为 5.25 秒，随后 5.50 秒切换为黑色 Kangaroo 界面，目标消失。选择 5.25 秒作为关键帧，卡片完整清晰、内容齐全且无遮挡。","start_frame":42,"end_frame":132,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[654.8,237,755.9,362.8],"positive_points":[[666.5,256.1],[683,279.5],[685,306],[683,322.5],[709,344],[738,266]],"negative_points":[[603,296],[704,203],[766,300],[685,397]],"evidence":"目标是顶部摘要区最右侧的欧元资产卡，以欧盟旗帜和“Asset in EUR”标签识别。边界框紧贴整张卡片，包含背景、边界、金额、占比和绿色上涨比较。正点分布于旗帜、文字读数、比较信息及卡片表面；负点位于左侧新加坡元卡、上方筛选栏、右侧外部背景及下方资产面板。"}},{"name":"Asset Total Statistic chart","description":"The large central-left Finova chart headed “Asset Total Statistic.” A purple line progressively draws across dollar-denominated gridlines, and a value tooltip later appears.","membership":"Includes the chart card surface and boundary, title, Monthly selector, axes, gridlines, date labels, plotted line, and chart tooltip. Excludes surrounding summary cards and lower panels.","id":"obj_011","temporal":{"status":"found","start_s":1.75,"end_s":5.5,"reference_s":5.25,"evidence":"目标是 Finova 页面中央偏左、标题为“Asset Total Statistic”的图表卡片，含 Monthly 选择器、紫色折线及后出现的数值提示。1.75 秒卡片表面和边界已完整建立；折线和提示的后续变化不影响容器起点。此前 1.50 秒仍处于初始淡入。最后合格帧为 5.25 秒，5.50 秒已切换为 Kangaroo 深色界面，目标消失。选择 5.25 秒作为关键帧，卡片轮廓、完整折线及提示清楚且无遮挡。","start_frame":42,"end_frame":132,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[335.4,372.4,596.2,608.5],"positive_points":[[375.5,397.0],[571.5,397.0],[384.3,476.6],[444.3,491.3],[373.5,553.8],[560.5,540.8]],"negative_points":[[385.3,303.8],[669.0,483.5],[393.6,683.2],[303.2,487.0]],"evidence":"通过“Asset Total Statistic”标题、紫色折线和金额浮层识别目标。边界框紧贴完整图表卡片，涵盖标题、Monthly选择器、坐标轴、网格、日期及浮层。正点分布于标题、选择器、折线、浮层和卡片表面；负点位于上方汇总卡、右侧资产面板、下方交易面板及左侧外部区域。"}},{"name":"Top Assets table","description":"The Finova panel to the right of the line chart, headed “Top Assets,” whose initially empty table fills with asset names, values, and colored returns.","membership":"Includes the panel surface and boundary, title, See All link, column headings, and all revealed asset rows. Excludes the chart to its left and Members panel below.","id":"obj_012","temporal":{"status":"found","start_s":1.75,"end_s":5.5,"reference_s":5.25,"evidence":"目标是 Finova 仪表盘中折线图右侧、Members 面板上方的“Top Assets”表格。1.75 秒时面板表面、边界及标题已完整呈现，后续资产行逐步填入不影响容器的连续性；最后合格帧为 5.25 秒。此前 1.50 秒仍处于初始淡入，之后 5.50 秒已切换为 Kangaroo 深色界面。选择 5.25 秒为关键帧，因为表格内容已展开，边界清楚且无遮挡。","start_frame":42,"end_frame":132,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[601.6,373.3,755.9,609.4],"positive_points":[[625,395],[715,416],[632,450],[711,483],[739,551],[647,584]],"negative_points":[[547,490],[676,642],[695,306],[775,487]],"evidence":"目标是折线图右侧、Members 面板上方的“Top Assets”表格。边界框覆盖完整面板表面与边界，包括标题、See All、列标题及全部资产行。正点分布于标题、表头和不同行列；负点位于左侧图表、下方 Members 面板、上方欧元资产卡及右侧外部背景。"}},{"name":"Transactions table","description":"The lower-left Finova card headed “Transactions,” with Provider, Type, and Amount columns that progressively fill with investment transactions.","membership":"Includes the card surface and boundary, heading, See All link, column labels, provider icons, and transaction rows. Excludes the adjacent Types card.","id":"obj_013","temporal":{"status":"found","start_s":1.75,"end_s":5.5,"reference_s":5.25,"evidence":"目标是 Finova 页面左下方标题为“Transactions”的卡片，包含 Provider、Type、Amount 列，与右侧 Types 卡片分开。首个合格帧为 1.75 秒，卡片表面和边界已完整建立；1.50 秒仍处于初始淡入。交易行逐步填充不影响卡片的连续存在。最后合格帧为 5.25 秒，5.50 秒已切换为 Kangaroo 深色界面。选择 5.25 秒作为关键帧，因为卡片边界清晰、交易行完整且无遮挡。","start_frame":42,"end_frame":132,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[335.2,618.9,462.9,844.6],"positive_points":[[361.8,638.9],[444.8,660.6],[374.5,693.6],[439.5,744.8],[342.8,763.0],[371.6,820.3]],"negative_points":[[527.3,711.8],[277.8,691.0],[388.2,569.4],[396.0,882.8]],"evidence":"目标是仪表盘左下方标题为“Transactions”的卡片，含 Provider、Type、Amount 三列。边界框覆盖完整卡片表面、边界、标题、See All 链接及全部交易行，不包含右侧 Types 卡片。正点分布于标题、列标签、交易行和卡片表面；负点位于右侧 Types 卡片、左侧栏、上方图表和下方外部背景。"}},{"name":"Asset Types breakdown","description":"The lower-middle Finova card headed “Types,” revealing a multicolored segmented bar and a category list including Aircraft, Real State, Vessel, and Company.","membership":"Includes the card surface and boundary, heading, See All link, segmented bar, category markers, labels, amounts, and percentages. Excludes the Transactions and Members cards.","id":"obj_014","temporal":{"status":"found","start_s":1.75,"end_s":5.5,"reference_s":5.25,"evidence":"目标是 Finova 仪表盘下方中央标题为“Types”的卡片，位于 Transactions 与 Members 之间。1.75 秒卡片表面、边界及标题已完整建立，随后分段色条和分类数据逐步出现，不影响容器的起点；此前 1.50 秒仍处于淡入。最后合格帧为 5.25 秒，5.50 秒已切换到 Kangaroo 深色界面。选择 5.25 秒作为关键帧，因为分类色条、标签和数值已清晰呈现，且卡片无遮挡。","start_frame":42,"end_frame":132,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[468.3,618.9,596.2,844.6],"positive_points":[[484.9,638.6],[527.3,663.2],[492.2,715.3],[562.5,688.4],[556.6,769.1],[502.9,822.0]],"negative_points":[[401.4,729.2],[678.7,742.2],[527.3,564.2],[532.2,885.4]],"evidence":"目标是页面下方中间标题为“Types”的卡片，含彩色分段条及 Aircraft、Real State、Vessel、Company 等分类。边框覆盖整张卡片及其内部文字、金额和百分比；正点分布在标题、分段条和多行分类内容上，负点位于左右的 Transactions、Members 卡片、上方图表及下方外部背景。"}},{"name":"Members allocation chart","description":"The lower-right Finova card headed “Members,” where a pastel doughnut chart grows into view with portrait callouts, names, and percentages.","membership":"Includes the entire card surface and boundary, heading, See All link, doughnut graphic and enclosed center, connector lines, portraits, names, and percentages. Excludes adjacent dashboard cards.","id":"obj_015","temporal":{"status":"found","start_s":1.75,"end_s":5.5,"reference_s":5.25,"evidence":"目标是 Finova 仪表盘右下角标题为“Members”的卡片，包含随后出现的环形图及头像、姓名和百分比标注。1.50 秒仍处于初始淡入，1.75 秒卡片表面、边界和标题已完整建立；内部图表逐步出现不推迟卡片起点。最后合格帧为 5.25 秒，5.50 秒已切换为深色 Kangaroo 页面。选择 5.25 秒作为关键帧，因为卡片完整清晰，环形图和人物标注已显示，便于区分相邻卡片。","start_frame":42,"end_frame":132,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[601.6,618.5,755.9,844.6],"positive_points":[[621,639],[741,638],[677,741],[640,822],[718,671],[620,772]],"negative_points":[[538,735],[681,523],[772,744],[399,740]],"evidence":"目标是仪表盘右下角标题为“Members”的卡片。边界框覆盖完整卡片表面与边界，包括标题、See All、圆环图及中心、人物头像、连线、姓名和百分比。正点分布于卡片标题、链接、图表与人物标注区域；负点位于相邻的Types、Top Assets、Transactions卡片及右侧外部背景。"}},{"name":"Kangaroo navigation sidebar before the application examples","description":"The dark left sidebar introduced with “Kangaroo Inc.” and an admin address. It contains Link Integrations, selected Home navigation, Customers, Partners, Payouts, an affiliate-program promotion, Settings, and Help Center.","membership":"Includes the sidebar surface and boundary, organization selector, integration icons, navigation items and badges, promotional card, and bottom utility links. Excludes the large content workspace to its right.","id":"obj_016","temporal":{"status":"found","start_s":5.5,"end_s":14.25,"reference_s":6.5,"evidence":"目标是左侧标有“Kangaroo Inc.”及管理员地址的深色导航栏，包含集成图标、Home、Customers、Partners、Payouts、推广卡片及底部工具链接，不含右侧工作区。首个完整帧为5.50秒，前一帧5.25秒仍是Finova页面；最后完整帧为14.00秒，侧栏虽移动并模糊但仍完整，14.25秒开始移出画面并被上边界裁切。选择6.50秒作为关键帧，侧栏清晰、无遮挡且边界完整。","start_frame":132,"end_frame":342,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[60.1,81.6,206.5,918.4],"positive_points":[[132,123],[174,201],[127,269],[151,545],[132,716],[112,875]],"negative_points":[[360,300],[700,700],[40,500],[140,50]],"evidence":"通过顶部“Kangaroo Inc.”、管理员地址及 Home、Customers 等导航项确认目标。边界框覆盖完整左侧栏，包括组织选择器、集成图标、导航、推广卡片和底部链接，不含右侧工作区。正点分布在栏内顶部、导航、中部表面、推广卡片及底部；负点位于右侧工作区和侧栏外部背景。"}},{"name":"Left column layout guide","description":"The left of two dark-magenta rectangular column guides appearing in the initially blank Kangaroo workspace. It extends downward as the layout demonstration progresses.","membership":"Includes this rectangle’s filled surface and true boundary throughout its expansion. Excludes the right column, the separating gutter, and independently overlaid horizontal guides.","id":"obj_017","temporal":{"status":"found","start_s":8.0,"end_s":12.25,"reference_s":9.0,"evidence":"目标是 Kangaroo 工作区内两条暗洋红色竖向列指南中的左侧矩形，不含右列、间隙及叠加的横向指南。8.00 秒首次出现完整矩形表面和边界，随后向下扩展，属于同一矩形的变形；此前 7.75 秒工作区仍为空白。最后符合条件的帧为 12.00 秒，12.25 秒列指南开始淡出。选择 9.00 秒作为关键帧，此时左列边界清晰，尚无横向指南叠加。","start_frame":192,"end_frame":294,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[218.3,90.3,567.4,917.4],"positive_points":[[248,159],[498,228],[329,401],[525,574],[267,730],[466,863]],"negative_points":[[682,326],[797,745],[191,571],[387,955]],"evidence":"目标是工作区内两块暗洋红色矩形中的左侧一块。边界框紧贴其完整填充区域，不包含右侧矩形及中间沟槽。六个正点分布在左列的上、中、下部；负点位于右列、左侧栏及工作区下方背景。"}},{"name":"Right column layout guide","description":"The right-hand dark-magenta rectangular column guide in the Kangaroo workspace, matching the left guide and expanding downward alongside it.","membership":"Includes this rectangle’s filled surface and true boundary throughout its expansion. Excludes the left column, separating gutter, and independently overlaid horizontal guides.","id":"obj_018","temporal":{"status":"found","start_s":8.0,"end_s":12.25,"reference_s":9.25,"evidence":"目标是 Kangaroo 工作区右侧的深洋红色竖列矩形，与左列之间有黑色间隔。8.00 秒首次出现完整矩形边界，随后向下扩展，属于完整矩形的形变；7.75 秒尚未出现。最后合格帧为 12.00 秒，12.25 秒填充开始淡出并显露面板轮廓。选择 9.25 秒作为关键帧，此时右列边界清晰，尚无独立横向引导块叠加。","start_frame":192,"end_frame":294,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[577.15,90.28,925.78,917.53],"positive_points":[[602,143],[885,206],[750,372],[622,648],[891,742],[776,889]],"negative_points":[[438,431],[572,556],[935,691],[741,65]],"evidence":"目标是工作区右侧的深洋红色矩形，与左列之间隔有黑色竖向沟槽。边界框紧贴其完整可见填充区域；六个正点分散在矩形上、中、下部，四个负点分别位于左列、分隔沟槽、右侧背景及上方背景，均不包含在目标中。"}},{"name":"Upper horizontal layout guide","description":"The upper brighter-magenta horizontal rectangle that expands from the left edge across the Kangaroo content workspace, crossing the two column guides.","membership":"Includes the horizontal rectangle’s filled surface and boundary as its width changes. Excludes the lower horizontal guide and the portions of the column guides outside it.","id":"obj_019","temporal":{"status":"found","start_s":9.75,"end_s":12.25,"reference_s":11.0,"evidence":"目标是 Kangaroo 工作区中上方较亮的洋红色横向矩形，横跨两条纵向列参考块，不包含下方横条。9.75 秒首次显示完整矩形边界，随后宽度扩展，属于目标自身的尺寸变化；9.50 秒仅有纵向列参考块。最后合格帧为 12.00 秒，12.25 秒横条开始变暗淡出并显露面板轮廓。选择 11.00 秒作为关键帧，此时横条完整清晰，易与下方横条及纵向参考块区分。","start_frame":234,"end_frame":294,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[206.5,222.2,940.4,614.6],"positive_points":[[249,276],[406,432],[565,548],[618,319],[782,477],[915,568]],"negative_points":[[383,155],[755,167],[570,757],[132,510]],"evidence":"目标是内容工作区上方横跨两列参考区域的亮洋红色水平矩形。边界框覆盖其完整填充表面及边界；六个正点分散在横带各处，负点位于横带上方的列参考区域、下方水平参考带和左侧栏。"}},{"name":"Lower horizontal layout guide","description":"The lower brighter-magenta horizontal rectangle that expands across the Kangaroo workspace beneath the upper guide.","membership":"Includes the horizontal rectangle’s filled surface and boundary as its width changes. Excludes the upper horizontal guide and the portions of the column guides outside it.","id":"obj_020","temporal":{"status":"found","start_s":9.75,"end_s":12.25,"reference_s":11.0,"evidence":"目标是 Kangaroo 工作区内下方较亮的洋红色横向矩形，区别于上方横条和背景纵向列。9.75 秒首次呈现完整矩形，随后宽度扩大；9.50 秒尚无该横条。最后符合条件的帧为 12.00 秒，12.25 秒填色开始淡出并出现面板轮廓。选择 11.00 秒作为关键帧，此时横条边界清楚、宽度充分展开，便于区分上下横条。","start_frame":234,"end_frame":294,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[207,633,940,893],"positive_points":[[234,681],[393,819],[537,706],[615,846],[767,692],[898,819]],"negative_points":[[370,430],[750,435],[430,151],[150,824]],"evidence":"目标是工作区下方横跨左右两列的较亮洋红色横向矩形。边界框覆盖其完整填充面及边缘；六个正点分散在矩形左右各处。负点位于上方横向参考区域、下方矩形之外的列参考区域及左侧栏。"}},{"name":"Kangaroo upper outlined panel before the application examples","description":"The broad empty rounded panel revealed in the upper content area after the magenta layout guides disappear.","membership":"Includes the rounded outline and all enclosed dark surface. Excludes the surrounding workspace, sidebar, and two lower panels.","id":"obj_021","temporal":{"status":"found","start_s":12.5,"end_s":14.25,"reference_s":13.0,"evidence":"目标是 Kangaroo 工作区右侧上方的宽大空白圆角描边面板，不包括侧栏及下方两个面板。12.50 秒其边界和深色表面已完整建立；此前 12.25 秒仍处于洋红布局辅助色消退、面板淡入阶段。最后合格帧为 14.00 秒，面板虽随页面移动且有模糊，但仍完整；14.25 秒向上离场时已被画面边缘裁切。选择 13.00 秒作为关键帧，轮廓清楚且无遮挡。","start_frame":300,"end_frame":342,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[218.3,222.2,925.8,612.8],"positive_points":[[267.6,291.7],[521.5,276.9],[865.2,321.2],[301.8,523.4],[592.8,461.8],[862.3,543.4]],"negative_points":[[134.3,434.0],[546.9,156.3],[371.1,737.8],[752.0,755.2]],"evidence":"目标是主内容区上方宽大的空白圆角面板，位于两个下方面板之上。边界框紧贴其圆角轮廓，包含轮廓及内部深色表面；六个正点分布于面板内部不同区域，四个负点分别位于左侧栏、上方工作区和两个下方面板内。"}},{"name":"Kangaroo lower-left outlined panel before the application examples","description":"The empty rounded panel beneath the broad upper panel, occupying the left half of the lower Kangaroo content area.","membership":"Includes its rounded boundary and enclosed dark surface. Excludes the upper panel, right-hand lower panel, and intervening gutters.","id":"obj_022","temporal":{"status":"found","start_s":12.5,"end_s":14.5,"reference_s":13.0,"evidence":"目标是 Kangaroo 内容区宽大上方面板下方、左侧的空白圆角描边面板。12.5 秒边界与深色内部已完整建立，12.25 秒仍处于伴随紫红色底层消退的淡入阶段。最后合格帧为 14.25 秒：虽然整个界面正在上移，目标面板本身仍完整位于画面内；14.5 秒已消失。选择 13.0 秒作为关键帧，轮廓清晰，且与右下面板及上方面板容易区分。","start_frame":300,"end_frame":348,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[218.3,632.8,566.9,891.5],"positive_points":[[245,666],[390,679],[537,702],[262,841],[417,860],[523,818]],"negative_points":[[399,571],[650,756],[572,777],[178,598]],"evidence":"目标是主内容区宽大上方面板下方、左侧的空白圆角面板。边界框紧贴其圆角外边界，包含边框及内部深色表面；六个正点分散于面板内部，负点分别位于上方面板、右下方面板、两下方面板间的沟槽和左侧栏。"}},{"name":"Kangaroo lower-right outlined panel before the application examples","description":"The empty rounded panel beneath the broad upper panel, occupying the right half of the lower Kangaroo content area.","membership":"Includes its rounded boundary and enclosed dark surface. Excludes the upper panel, left-hand lower panel, and intervening gutters.","id":"obj_023","temporal":{"status":"found","start_s":12.5,"end_s":14.25,"reference_s":13.0,"evidence":"目标是 Kangaroo 页面宽大上方面板下方、右侧的空白圆角描边面板，不含左下面板及间隙。12.50 秒首次完整显示深色表面和圆角边界；此前 12.25 秒仍处于紫色覆盖下的淡入显现阶段。最后合格帧为 14.00 秒，面板虽随页面移动并模糊，但仍完整可见；14.25 秒退出时已被画面边缘裁切。选择 13.00 秒作为关键帧，因边界清晰、无遮挡且易与相邻面板区分。","start_frame":300,"end_frame":342,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[576.7,632,926.3,891.5],"positive_points":[[607,672],[745,661],[889,691],[631,837],[775,802],[901,858]],"negative_points":[[750,533],[449,767],[947,770],[778,919]],"evidence":"目标是主内容区宽大上方面板下方、右侧的空白圆角面板。边界框紧贴其圆角外边界，包含深色内部表面；六个正点分散在面板内部，四个负点分别位于上方面板、左下方面板、右侧外部背景和下方背景。"}},{"name":"Linear workspace sidebar","description":"The dark sidebar labeled “Kole,” shown against a purple presentation background. It contains Inbox, My issues, workspace and team navigation, onboarding links, and a Product Intelligence promotion.","membership":"Includes the sidebar surface, workspace selector, search and compose controls, navigation groups, selected Issues item, onboarding links, and promotional card where visible. Excludes the issue board to the right and the purple background.","id":"obj_024","temporal":{"status":"found","start_s":15.25,"end_s":16.0,"reference_s":15.5,"evidence":"目标是紫色背景上标有“Kole”的深色 Linear 左侧栏，包含导航、选中的 Issues、入门链接及 Product Intelligence 推广卡。首个完整呈现帧为15.25秒，最后合格帧为15.75秒；此前15.00秒侧栏仍在入场且底部被画面裁切，之后16.00秒放大移动使底部再次超出画面。选择15.50秒作为关键帧，侧栏边界及内部内容清楚、完整且无遮挡。","start_frame":366,"end_frame":384,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[75.2,75.5,183.1,925],"positive_points":[[102,97],[151,202],[126,331],[111,462],[142,629],[127,879]],"negative_points":[[224,191],[390,564],[49,434],[146,955]],"evidence":"目标是左侧标有“Kole”的深色工作区侧栏。边界框覆盖整个侧栏表面，包括顶部控件、导航分组、选中的 Issues、入门链接及底部 Product Intelligence 卡片。正点分布于顶部、导航、链接、侧栏空白表面和推广卡片；负点位于右侧问题看板及外部紫色背景。"}},{"name":"Linear issue board","description":"The main Linear work panel with “All issues,” “Active,” and “Backlog” tabs and a “Todo 8” group. Its eight onboarding issues include “Welcome to Linear” and “Connect to Slack.”","membership":"Includes the board surface, top tabs, filter and display controls, group header, issue rows, status and priority symbols, identifiers, titles, and visible dates. Excludes the left sidebar, ordinary cursor, and exterior presentation background.","id":"obj_025","temporal":{"status":"found","start_s":15.25,"end_s":18.5,"reference_s":15.5,"evidence":"通过“All issues / Active / Backlog”标签、“Todo 8”分组及“Welcome to Linear”“Connect to Slack”等八条任务识别主工作面板，排除左侧栏和光标。首个合格帧为15.25秒；此前15.00秒面板仍在入场，下缘被画面裁切。最后合格帧为18.25秒，期间放大取景但仍是同一面板；18.50秒被GitHub���库页面替换。选择15.50秒作关键帧，面板完整清晰，边界与侧栏容易区分。","start_frame":366,"end_frame":444,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[183.1,79.9,923.3,921.0],"positive_points":[[217.3,96.4],[500.0,158.0],[285.6,258.7],[902.8,397.6],[405.3,625.0],[805.7,837.7]],"negative_points":[[120.0,331.0],[127.0,700.0],[292.0,116.3],[956.0,520.0]],"evidence":"根据顶部“All issues”“Active”“Backlog”标签、“Todo 8”分组及八条入门事项识别主面板。框覆盖右侧完整工作面板，包括控制栏、事项列表和下方空白表面，不含左侧栏及外围背景。正点分布于顶部标签、分组栏、事项内容、日期和面板下部；负点位于左侧栏、普通鼠标指针及右侧紫色背景。"}},{"name":"GitHub repository navigation bar","description":"The horizontal repository tab strip on the GitHub portfolio page, running from selected “Code” through Issues, Pull requests, Actions, Projects, Wiki, Security, Insights, and Settings.","membership":"Includes the navigation strip surface, tab icons and labels, and selected-tab underline. Excludes the account header above, repository content below, and cursor.","id":"obj_026","temporal":{"status":"found","start_s":18.5,"end_s":20.0,"reference_s":19.5,"evidence":"目标为 GitHub portfolio 仓库页的横向导航条，含 Code 至 Settings 的图标和标签，以及 Code 下方的选中下划线。首个合格帧为18.50秒，末个为19.75秒，期间导航条完整可见。前一帧18.25秒仍是 Linear 任务列表，后一帧20.00秒已切换为空白深色画面。选择19.50秒作为关键帧，导航条清晰完整，鼠标位于其下方且无遮挡。","start_frame":444,"end_frame":480,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[105.9,241.3,580.1,283.0],"positive_points":[[126.1,259.7],[177.7,260.2],[239.0,259.7],[350.0,260.0],[451.2,259.8],[560.1,260.0]],"negative_points":[[216.5,214.4],[322.0,312.1],[312.0,379.8],[270.0,302.1]],"evidence":"目标是仓库页顶部从“Code”到“Settings”的横向页签栏，边框覆盖页签表面、图标、文字及Code下方的选中横线。正点分布于不同页签，负点位于上方账户标题、下方仓库标题和分支控件，以及被排除的鼠标指针上。"}},{"name":"Portfolio repository file browser","description":"The central bordered GitHub file table for the portfolio repository, with an “Update contact.html” commit header and folders and files including Fonts, Icons, Images, Styles, app.js, and index.html.","membership":"Includes the table boundary and surface, commit-summary row, commit count, file and folder rows, icons, names, commit messages, and relative update dates. Excludes the branch and file-action toolbar above, README panel below, and repository sidebar.","id":"obj_027","temporal":{"status":"found","start_s":18.5,"end_s":20.0,"reference_s":19.0,"evidence":"目标是 portfolio 仓库中央的 GitHub 文件表，带有“Update contact.html”提交摘要、49 Commits，以及 Fonts、Icons、Images、Styles、app.js、index.html 等行；不包含上方工具栏、下方 README 和右侧栏。18.50 秒首帧中表格边界与内容已完整显示，19.75 秒为最后合格帧。前一帧18.25秒仍是 Linear 任务列表，后一帧20.00秒已切换为空白深色画面。选择19.00秒作为关键帧，表格清晰完整，且鼠标未遮挡其内容。","start_frame":444,"end_frame":480,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[284.2,409.7,760.3,849.0],"positive_points":[[384.8,435.8],[727.5,435.8],[318.4,518.2],[523.0,597.2],[732.9,750.9],[332.5,828.1]],"negative_points":[[312.5,380.2],[505.9,923.6],[837.4,585.9],[219.7,638.0]],"evidence":"通过中央文件表顶部的“Update contact.html”提交摘要及 Fonts、Icons、Images 等目录识别目标。边界框紧贴表格外框，涵盖提交摘要、提交数和全部可见文件行。正点分布在表头及不同文件行的名称、提交信息和日期区域；负点位于上方工具栏、下方 README 面板、右侧仓库栏及左侧外部背景。"}},{"name":"GitHub repository information sidebar","description":"The right column of the portfolio repository page, beginning with “About” and the portfolio website link, followed by repository statistics, Releases, Packages, Deployments, and Languages.","membership":"Includes the information column’s content region, section headings, links, icons, statistics, deployment entries, separators, and visible language bar. Excludes repository action buttons above and the central file browser.","id":"obj_028","temporal":{"status":"found","start_s":18.5,"end_s":20.0,"reference_s":19.0,"evidence":"目标是 portfolio 仓库页面右侧的信息栏，包含 About、网站链接、仓库统计、Releases、Packages、Deployments 和 Languages，区别于上方操作按钮及中央文件列表。首个合格帧为18.50秒，最后为19.75秒；18.25秒仍是 Linear 任务页面，20.00秒已切为空白深色画面。19.00秒���息栏清晰且无遮挡，适合作为空间标注关键帧。","start_frame":444,"end_frame":480,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[772.5,372.4,930.7,1000],"positive_points":[[787,380],[802,506],[799,586],[803,690],[820,855],[809,971]],"negative_points":[[887,311],[708,673],[964,625],[740,892]],"evidence":"目标是文件列表右侧的信息栏，从 About 和网站链接开始，包含统计、Releases、Packages、Deployments、Languages 及底部可见语言条。框覆盖该栏的可见内容区域；六个正点分布于各主要区段，负点位于上方仓库操作按钮、中央文件区、README 区及右侧外部背景。"}},{"name":"Repository README panel","description":"The bordered panel immediately below the GitHub file table, headed “README,” with a book icon and a partially visible “Add a README” prompt.","membership":"Includes the panel boundary, enclosed surface, README tab, icon, and visible prompt content. Excludes the file browser above and information sidebar to its right.","id":"obj_029","temporal":{"status":"found","start_s":18.5,"end_s":20.0,"reference_s":18.75,"evidence":"目标是 GitHub 文件表下方的 README 边框面板，包含 README 标签、书本图标及底部部分可见的“Add a README”提示，右侧信息栏不属于目标。首个合格帧为18.50秒，最后为19.75秒；面板下部的裁切属于该页面的持续展示方式。此前18.25秒仍是 Linear 任务页面，此后20.00秒已切为空白深色画面。选择18.75秒作为关键帧，面板边界、标签及图标清晰可辨。","start_frame":444,"end_frame":480,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[284.2,863.7,760.3,1000],"positive_points":[[322,887],[298,887],[389,943],[522,955],[692,973],[515,997]],"negative_points":[[512,828],[830,918],[248,939],[330,752]],"evidence":"目标是文件表格正下方带“README”标签的 bordered 面板。框覆盖面板边界、内部背景、书本图标及底部部分可见的“Add a README”提示，止于图像下缘。正点分布在标签、图标、面板表面和提示上；负点位于上方文件浏览区、右侧信息栏及左侧外部背景。"}},{"name":"Kangaroo navigation sidebar after the application examples","description":"The returning dark “Kangaroo Inc.” sidebar after the Linear and GitHub examples, retaining Home, Analytics, Customers, Partners, Payouts, integrations, and the affiliate-program card as the view zooms and pans.","membership":"Includes the sidebar surface and boundary, organization and integration areas, navigation items, badges, promotional card, and utility links wherever visible. Excludes the Links content workspace and exterior background.","id":"obj_030","temporal":{"status":"found","start_s":20.75,"end_s":21.75,"reference_s":21.25,"evidence":"目标是 Linear 和 GitHub 示例之后重新出现的 Kangaroo Inc. 深色导航侧栏，可见组织名、集成图标、Home 等导航项及推广卡片。首个合格帧为20.75秒，最后为21.50秒；此前20.50秒侧栏仍从画面下方进入，底部被裁切，随后21.75秒放大使侧栏底部开始越出画面。选择21.25秒作为关键帧，侧栏完整清晰，与右侧 Links 工作区容易区分。","start_frame":498,"end_frame":522,"reference_frame":510},"grounding":{"status":"found","bbox_xyxy":[60,82,207,919],"positive_points":[[133,122],[127,201],[116,308],[151,479],[129,715],[116,839]],"negative_points":[[39,495],[294,160],[539,408],[710,760]],"evidence":"目标是左侧显示“Kangaroo Inc.”的深色导航栏。边界框覆盖侧栏表面、组织与集成区域、导航项目和徽章、推广卡片及底部工具链接。正点分布于这些区域及侧栏表面；负点位于左侧外部背景和右侧内容工作区，均不属于侧栏。"}},{"name":"Kangaroo upper outlined panel after the application examples","description":"The returning broad empty rounded panel in the upper Kangaroo content area. It remains beneath the later “Links” heading as the view enlarges and pans.","membership":"Includes the panel’s rounded boundary and enclosed dark surface throughout the view changes. Excludes the page heading, Create Link button, surrounding workspace, and lower panels.","id":"obj_031","temporal":{"status":"found","start_s":20.25,"end_s":24.0,"reference_s":21.25,"evidence":"目标是应用示例之后返回的 Kangaroo 工作区上方宽大空白圆角面板，不含下方两个面板。20.25 秒其边界和内部表面已完整出现，虽有运动模糊仍可辨认；此前 20.00 秒为空白背景。它随后位于 Links 标题下方，并在放大、平移中持续存在，最后合格帧为 23.75 秒；视频至此结束，无后续帧。选择 21.25 秒作为关键帧，因为面板完整清晰，易与下方面板区分。","start_frame":486,"end_frame":576,"reference_frame":510},"grounding":{"status":"found","bbox_xyxy":[218.3,221.4,925.8,613.7],"positive_points":[[242,264],[530,286],[891,255],[289,565],[600,455],[890,576]],"negative_points":[[567,173],[170,456],[389,757],[755,777]],"evidence":"目标是右侧内容区上方横跨大部分宽度的空白圆角面板。边界框紧贴其圆角外边界，包含描边和内部深色表面；六个正点分布于面板内部，四个负点位于上方工作区、左侧栏和下方两个独立面板，均不属于目标。"}},{"name":"Kangaroo lower-left outlined panel after the application examples","description":"The returning empty rounded panel in the lower-left portion of the Kangaroo content area, later partially cropped by the enlarged view.","membership":"Includes its rounded boundary and enclosed dark surface wherever visible. Excludes the upper panel, lower-right panel, and surrounding gutters.","id":"obj_032","temporal":{"status":"found","start_s":20.75,"end_s":21.75,"reference_s":21.25,"evidence":"目标是应用示例结束后返回的 Kangaroo 页面中，位于上方大面板下方、右下面板左侧的空心圆角面板。20.75 秒首次完整显示其边界和深色内部，21.50 秒为最后完整帧；此前 20.50 秒仍在入场，底部被画面裁切，随后 21.75 秒放大移动使其底部再次越出画面。选择 21.25 秒作为关键帧，边界清晰且无遮挡，易与相邻面板区分。","start_frame":498,"end_frame":522,"reference_frame":510},"grounding":{"status":"found","bbox_xyxy":[218.3,632,566.9,891.5],"positive_points":[[246,680],[530,682],[331,746],[477,786],[253,851],[535,851]],"negative_points":[[370,560],[705,763],[150,590],[380,910]],"evidence":"目标是主内容区下方左侧的空白圆角面板。边界框紧贴其完整圆角边界，包含内部深色表面；六个正点分布于面板内部不同位置，四个负点分别位于上方面板、右下面板、左侧栏及目标下方外部区域。"}},{"name":"Kangaroo lower-right outlined panel after the application examples","description":"The returning empty rounded panel in the lower-right portion of the Kangaroo content area, moving toward the right edge during the pan.","membership":"Includes its rounded boundary and enclosed dark surface wherever visible. Excludes the upper panel, lower-left panel, and surrounding gutters.","id":"obj_033","temporal":{"status":"found","start_s":20.75,"end_s":21.75,"reference_s":21.25,"evidence":"目标是应用示例结束后重新出现的 Kangaroo 内容区右下方空白圆角描边面板，不包括上方面板和左下面板。20.75 秒首次完整入画，虽有运动模糊但边界与表面已建立；21.50 秒为最后完整可见帧。此前的 20.50 秒面板仍被画面底边裁切，之后的 21.75 秒随放大和平移开始被右边及底边裁切。选择 21.25 秒作为关键帧，因目标轮廓清晰、无遮挡，且易与相邻面板区分。","start_frame":498,"end_frame":522,"reference_frame":510},"grounding":{"status":"found","bbox_xyxy":[576.7,632,925.8,891.5],"positive_points":[[604,668],[742,654],[899,686],[625,851],[772,790],[897,857]],"negative_points":[[755,563],[495,763],[570,777],[936,805]],"evidence":"目标是内容区右下方的空白圆角面板。边界框紧贴其圆角轮廓，覆盖边框及内部深色表面。六个正点分布在面板内部不同位置；负点位于上方面板、左下方面板以及目标左右的外部间隙，排除相邻区域。"}},{"name":"Links page heading","description":"The standalone white “Links” heading introduced above the Kangaroo content panels.","membership":"Includes only the heading’s letterforms. Excludes the adjacent chevrons, dark workspace surface, and panels below.","id":"obj_034","temporal":{"status":"found","start_s":21.75,"end_s":24.0,"reference_s":22.0,"evidence":"目标是 Kangaroo 工作区面板上方独立的白色“Links”字样，不含旁边的上下箭头。21.50 秒字样仍处于暗淡的淡入阶段；21.75 秒字形已完整显示，虽随页面移动而模糊仍符合条件。最后符合帧为 23.75 秒，标题仍完整可见；区间到达视频结尾，无后续帧。选择 22.00 秒作为关键帧，因为文字清晰且无遮挡。","start_frame":522,"end_frame":576,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[237.3,158.9,267.1,176.2],"positive_points":[[238.8,165.8],[241.7,173.2],[246.3,167.5],[249.8,168.4],[257.3,167.5],[264.2,165.8]],"negative_points":[[277.5,160.6],[251,206],[299,300],[228,166]],"evidence":"目标是工作区左上方、内容面板上方的白色“Links”标题。边框仅覆盖标题字形，不包含右侧箭头。六个正点分布于各字母笔画；负点位于旁边的箭头、标题外的深色背景及下方面板。"}},{"name":"Create Link button","description":"The rounded dark “Create Link” control with a chain-link icon, revealed at the upper-right of the Kangaroo Links page.","membership":"Includes the button surface and rounded boundary, chain-link icon, and label. Excludes the surrounding workspace and the upper content panel below.","id":"obj_035","temporal":{"status":"found","start_s":23.5,"end_s":24.0,"reference_s":23.75,"evidence":"目标是 Kangaroo Links 页面右上角带链条图标和“Create Link”文字的深色圆角按钮。23.5 秒首次完整进入画面，23.75 秒为最后合格帧；此前的 23.25 秒按钮仍被右侧画面边界裁切。目标持续至视频结束，无后续采样帧。选择 23.75 秒作为关键帧，因为按钮边界、图标和文字最清晰且无遮挡。","start_frame":564,"end_frame":576,"reference_frame":570},"grounding":{"status":"found","bbox_xyxy":[799.8,145,882.3,184.9],"positive_points":[[805.5,155.5],[813.5,165],[831,165.5],[863,165],[875.5,175],[842,178.5]],"negative_points":[[785,165],[896,166],[842,125],[842,245]],"evidence":"目标是页面右上角带链环图标和“Create Link”文字的圆角深色按钮。边界框紧贴完整按钮，覆盖表面、圆角边界、图标和标签；正点分布于按钮表面及图文，负点位于按钮左右、上方及下方的外部工作区，均避开按钮。"}}]}
+{"video_id":157,"video_type":"visual design and media animation","targets":[{"name":"Top-edge fraud alert","description":"Small rounded notification reading “Fraud click flagged,” initially partly clipped by the top edge near the left of center.","membership":"Includes the notification’s rounded surface, visible boundary, pointer icon, and text. Excludes its soft shadow and the surrounding background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0.5,"evidence":"目标是画面顶部偏左、带指针图标和“Fraud click flagged”文字的圆角通知。其顶部裁切贯穿展示阶段，属于构图裁切而非入场未完成；首个合格帧为0.00秒，最后为0.75秒，期间通知整体放大。1.00秒已开始淡出，故不纳入。区间前为视频起点，无更早帧。选择0.50秒，通知表面、图标及文字较清晰，便于区别于其他同文通知。","start_frame":0,"end_frame":24,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[284.3,0,415,24.1],"positive_points":[[299.3,3.7],[326.4,3.7],[363.6,4.6],[400.7,9.3],[309.3,15.7],[359.3,16.7]],"negative_points":[[267.9,18.5],[436.4,11.1],[347.1,48.1],[351,70]],"evidence":"目标是图像顶部偏左、被上边缘裁切且写有“Fraud click flagged”的圆角通知。框仅覆盖其可见卡片表面、图标和文字，不包含下方软阴影。正点分布在图标、文字及卡片表面，负点位于卡片左右及下方的外部背景。"}},{"name":"Center-right fraud alert","description":"Notification reading “Fraud click flagged” near the center-right, growing into the largest alert in the opening arrangement. A dark pointer icon precedes the text.","membership":"Includes the complete rounded notification surface, boundary, icon, and text as it scales and fades. Excludes the external shadow.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0.75,"evidence":"目标是画面中右侧带深色指针图标、文字为“Fraud click flagged”的圆角通知，随后放大成为最大的警报。首个合格帧为0.00秒，通知结构已完整；末个合格帧为0.75秒。1.00秒时该通知已开始淡出，故不纳入。区间起点即视频开头，没有更早的采样帧。选择0.75秒作为关键帧，因为通知尺寸大、边界及文字清晰且无遮挡。","start_frame":0,"end_frame":24,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[593.6,475.9,787.9,537.0],"positive_points":[[607.1,493.5],[617.1,505.6],[670.0,506.5],[717.1,507.4],[773.6,520.4],[647.9,525.9]],"negative_points":[[691.4,574.1],[569.3,507.4],[807.1,504.6],[500.0,782.4]],"evidence":"目标是画面中心偏右、带深色指针图标且写有“Fraud click flagged”的最大通知。边框紧贴完整圆角通知表面，包含图标与文字，不含外部阴影。六个正点分布在表面、图标和文字上；负点位于通知外围背景及下方另一条较小通知上。"}},{"name":"Left-edge suspicious IP alert","description":"Rounded “Suspicious IP” notification initially near the lower-left edge, with a small shield icon. It enlarges until its left side is cropped.","membership":"Includes the notification surface, boundary, shield icon, and text, limited to the visible portion when cropped. Excludes the external shadow.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0,"evidence":"目标是最初位于左下边缘、带盾牌图标和“Suspicious IP”文字的圆角通知，随后放大并形成描述中的左侧裁切。首个合格帧为0秒，最后为0.75秒；1秒时已开始淡出，1.25秒消失。视频起点之前没有采样帧。选择0秒作关键帧，因为通知完整可见，图标、文字及边界清楚。","start_frame":0,"end_frame":24,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[5,604.6,105.7,637],"positive_points":[[17.1,620.4],[35.7,620.4],[57.9,620.4],[82.9,613.9],[94.3,626.9],[28.6,630.6]],"negative_points":[[45.7,584.3],[52.9,663.9],[127.9,620.4],[306.4,683.3]],"evidence":"目标是左侧靠下、带盾牌图标和“Suspicious IP”文字的圆角通知。边界框紧贴其可见面板，不含外部阴���。正点覆盖图标、文字及面板表面；负点位于上方、下方、右侧背景和更靠右的另一条淡色通知上。"}},{"name":"Faint lower-left suspicious IP alert","description":"Low-opacity “Suspicious IP” notification below and left of center, to the right of the brighter left-edge alert.","membership":"Includes this individual rounded badge, its shield icon, and its text. Excludes neighboring badges, background, and external shadow.","id":"obj_004","temporal":{"status":"found","start_s":0.0,"end_s":1.0,"reference_s":0.75,"evidence":"目标是画面中心左下方、亮色左缘警报右侧的低透明度“Suspicious IP”圆角徽章，包含盾牌图标和文字。首个合格帧为0.00秒，末个为0.75秒；期间徽章结构完整，仅缩放。1.00秒开始向左移并淡出，1.25秒已消失。视频从0.00秒开始，无更早采样帧。选择0.75秒作为关键帧，此时徽章较大、轮廓完整且无遮挡。","start_frame":0,"end_frame":24,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[235.7,653.7,377.9,700],"positive_points":[[247,666],[251,676],[282,676],[334,665],[364,683],[299,690]],"negative_points":[[210,677],[395,677],[300,728],[71,613]],"evidence":"目标是画面中心左下方、左边缘明亮提示右侧的低透明度“Suspicious IP”徽章。边界框紧贴该圆角徽章，包含盾牌图标、文字和底色，不含外部阴影。正点分布在图标、文字及徽章表面；负点位于徽章外背景和左侧另一条明亮提示上。"}},{"name":"Faint right-side fraud alert","description":"Low-opacity “Fraud click flagged” notification on the right below the large center-right fraud alert.","membership":"Includes its rounded backing, boundary, pointer icon, and text throughout its appearance. Excludes the surrounding glow and other notifications.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0.75,"evidence":"目标是大型中央偏右欺诈提示下方、右侧低透明度的“Fraud click flagged”通知，包含圆角底板、指针图标和文字。0.00秒已完整呈现，随后整体放大，最后符合条件的帧为0.75秒；1.00秒开始淡出，1.25秒已消失。区间起点即视频开头，无更早采样帧。选择0.75秒作为关键帧，因通知较大、轮廓完整且与其他提示易于区分。","start_frame":0,"end_frame":24,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[782,623,946,676],"positive_points":[[794,638],[801,649],[833,649],[884,650],[932,641],[918,666]],"negative_points":[[857,598],[967,649],[849,707],[690,506]],"evidence":"目标是右侧大号欺诈提示下方、低透明度的“Fraud click flagged”通知。边界框覆盖其圆角底板、指针图标和完整文字，不含外围光晕。正点分布于底板、图标及文字上；负点位于通知外的背景和上方另一条大号通知上。"}},{"name":"Upper-left suspicious IP alert","description":"A second bright “Suspicious IP” notification near the upper-left corner, partly cropped by the left edge and distinct from the lower-left instance.","membership":"Includes the visible rounded notification surface and its icon and text. Excludes its external shadow and the other left-edge notification.","id":"obj_006","temporal":{"status":"found","start_s":0.25,"end_s":1.25,"reference_s":0.25,"evidence":"目标是左上角贴左边缘的亮色“Suspicious IP”圆角通知，与左下方同文通知不同；其左侧裁切属于描述指定的呈现方式。首个合格帧为0.25秒，末个为1.00秒。前一帧0.00秒尚无此通知，后一帧1.25秒已开始淡出。选择0.25秒作为关键帧，因为通知表面、图标和文字清楚可辨。","start_frame":6,"end_frame":30,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[0,79.6,122.1,122.2],"positive_points":[[5.7,100],[40,100],[91,90.7],[104,111.1],[18,88.9],[54,112]],"negative_points":[[50,50],[155,100],[65,166],[52,615]],"evidence":"目标是左上角被左边缘裁切的亮色“Suspicious IP”通知。边界框仅覆盖可见圆角通知表面、图标和文字，不含外部阴影。六个正点分布在通知表面及图文上；负点位于外围背景和左下方另一条通知上。"}},{"name":"Upper-middle bot traffic alert","description":"Rounded “Bot traffic +12” notification above and right of center, with a small red outlined alert symbol.","membership":"Includes this badge’s surface, rounded boundary, alert symbol, and text. Excludes its external shadow and nearby badges.","id":"obj_007","temporal":{"status":"found","start_s":0.25,"end_s":1.25,"reference_s":0.75,"evidence":"目标是画面中上部、中心偏右的“Bot traffic +12”圆角徽章，包含红色描边警示符号，区别于更靠右的同类徽章。首个合格帧为0.25秒，表面、边界、图标和文字均已完整呈现；最后合格帧为1.00秒。此前0.00秒尚未出现，之后1.25秒已开始淡出。选择0.75秒作为关键帧，徽章清晰完整且无遮挡。","start_frame":6,"end_frame":30,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[532.9,122.2,682.1,170.4],"positive_points":[[543,140],[551,146],[590,146],[624,134],[670,149],[607,160]],"negative_points":[[608,102],[609,202],[850,220],[416,294]],"evidence":"目标是图像上部中央偏右、带红色描边警示符号的“Bot traffic +12”圆角通知。边界框紧贴该徽章的可见表面与圆角边界，不含外部阴影。正点分布于符号、文字及徽章表面；负点位于上下方外部背景和其他通知上。"}},{"name":"Faint upper-middle suspicious IP alert","description":"Translucent “Suspicious IP” notification above the center, below and left of the upper-middle bot traffic badge.","membership":"Includes the individual rounded notification, shield icon, and text. Excludes the background and external shadow.","id":"obj_008","temporal":{"status":"found","start_s":0.25,"end_s":1.25,"reference_s":0.75,"evidence":"目标是画面上方偏中的半透明“Suspicious IP”圆角通知，位于上方“Bot traffic +12”徽章的左下方，包含盾牌图标和文字。首个合格帧为0.25秒，通知结构完整；最后合格帧为1.00秒。此前0.00秒尚未出现该通知，之后1.25秒已开始向左淡出。选择0.75秒作为关键帧，此时轮廓和文字较清楚，且无遮挡。","start_frame":6,"end_frame":30,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[361,272,505,318],"positive_points":[[370,287],[379,294],[408,294],[447,285],[490,295],[467,308]],"negative_points":[[427,248],[428,343],[338,295],[526,294]],"evidence":"目标是画面中上部、上方“Bot traffic +12”徽章左下方的淡色“Suspicious IP”通知。边界框覆盖完整圆角通知底板、盾牌图标和文字，不含外部阴影；正点分布在底板、图标及文字上，负点位于通知四周的外部背景。"}},{"name":"Faint middle-right bot traffic alert","description":"Low-opacity “Bot traffic +12” badge on the middle-right, below the brighter upper bot traffic notifications.","membership":"Includes its rounded surface, boundary, alert symbol, and text. Excludes surrounding background and neighboring notifications.","id":"obj_009","temporal":{"status":"found","start_s":0.25,"end_s":1.25,"reference_s":0.75,"evidence":"目标是画面中右部、较亮的上方机器人流量通知下方的低透明度“Bot traffic +12”圆角徽章。0.25秒首次完整显示其表面、图标和文字，随后虽放大但结构完整，最后合格帧为1.00秒；前一帧0.00秒尚未出现，后一帧1.25秒已开始淡出。选择0.75秒作为关键帧，此时徽章边界和内容较清楚，且没有遮挡。","start_frame":6,"end_frame":30,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[720,341,846.4,382.4],"positive_points":[[735,360],[763,360],[792,360],[827,361],[750,349],[803,372]],"negative_points":[[696,361],[866,366],[850,220],[684,508]],"evidence":"目标是画面中部偏右、明亮 Bot traffic 通知下方的低透明度“Bot traffic +12”徽章。边界框覆盖其圆角底面、边界、图标和文字；正点分布在图标、文字及底面各处，负点位于左右外部背景、上方明亮通知和下方欺诈点击通知上。"}},{"name":"Lower-right suspicious IP alert","description":"Bright rounded “Suspicious IP” notification in the lower-right quadrant, with a red shield symbol and pink-to-white backing.","membership":"Includes the complete badge surface, boundary, shield symbol, and text as it grows and fades. Excludes the external shadow.","id":"obj_010","temporal":{"status":"found","start_s":0.25,"end_s":1.25,"reference_s":0.75,"evidence":"目标是右下象限带红色盾牌、“Suspicious IP”文字及粉白渐变底面的圆角通知。0.25秒首次完整呈现，随后放大，至1.00秒仍完整清晰；此前0.00秒该位置尚无此通知，之后1.25秒底面和文字已开始淡出，故不纳入。选择0.75秒作为关键帧，此时徽章清晰、无遮挡，易与其他通知区分。","start_frame":6,"end_frame":30,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[769.3,781.5,939.3,835.2],"positive_points":[[780,803],[790,808],[831,808],[909,795],[918,820],[814,822]],"negative_points":[[850,747],[958,806],[855,866],[742,809]],"evidence":"目标是右下方带红色盾牌和“Suspicious IP”文字的明亮圆角通知。边界框紧贴完整粉白色徽章，包含表面、边界、图标及文字，不含外部阴影。正点分布在盾牌、文字及徽章表面不同部位；负点位于徽章上、下、左、右的外部背景。"}},{"name":"Left-center fraud alert","description":"“Fraud click flagged” notification left of center, appearing above the lower-left suspicious IP badges. It becomes one of the last bright alerts remaining.","membership":"Includes the rounded backing, boundary, pointer icon, and text of this individual notification. Excludes its shadow and nearby faded badges.","id":"obj_011","temporal":{"status":"found","start_s":0.5,"end_s":1.5,"reference_s":1.25,"evidence":"目标是画面��侧中部、位于左下方 Suspicious IP 徽章上方的“Fraud click flagged”通知，包含圆角底板、指针图标和文字。0.50秒首次完整呈现，虽较小但结构已齐全；1.25秒是最后合格帧。此前0.25秒尚未出现，随后1.50秒已开始淡出。选择1.25秒作为关键帧，此时通知清晰完整，且周围徽章减少，便于区分。","start_frame":12,"end_frame":36,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[183,339,332,386],"positive_points":[[200,362],[222,362],[274,362],[314,362],[214,349],[292,377]],"negative_points":[[169,363],[259,410],[405,295],[501,529]],"evidence":"目标是画面左侧中央较明亮的“Fraud click flagged”通知。边界框紧贴其圆角底板，包含指针图标和文字，不含下方阴影。正点分布于底板、图标及文字区域；负点位于外部背景、下方阴影区和附近淡化通知上。"}},{"name":"Upper-right bot traffic alert","description":"Bright “Bot traffic +12” notification in the upper-right quadrant, to the right and slightly below the upper-middle instance.","membership":"Includes the rounded notification surface, alert symbol, and text. Excludes the external shadow and the separate faint badge below it.","id":"obj_012","temporal":{"status":"found","start_s":0.5,"end_s":1.5,"reference_s":1.0,"evidence":"目标是右上区域明亮的“Bot traffic +12”圆角通知，位于上方中部同类通知的右下方，不含其下方的淡色徽标。首个合格帧为0.50秒，通知表面、图标和文字均已完整呈现；0.25秒该位置尚未出现目标。最后合格帧为1.25秒，1.50秒目标已开始淡出。选择1.00秒作为关键帧，此时目标清晰、完整且无遮挡。","start_frame":12,"end_frame":36,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[775.7,194.4,932.9,244.4],"positive_points":[[786.4,210.2],[795.7,219.4],[825.7,218.5],[863.6,219.4],[911.4,207.4],[920.7,229.6]],"negative_points":[[785.7,360.2],[607.1,145.4],[850,166.7],[950,231.5]],"evidence":"目标是右上方明亮的“Bot traffic +12”通知，位于上方中部同类通知的右下侧。边界框紧贴圆角通知表面，包含图标和文字，不含外部阴影。正点分布于通知表面、图标及文字；负点位于下方淡色通知、上方中部另一通知及外围背景。"}},{"name":"Faint central fraud alert","description":"Small translucent “Fraud click flagged” notification near the center, below the left-center fraud alert and left of the large center-right alert.","membership":"Includes its rounded surface, pointer icon, and text. Excludes other notifications and the surrounding background.","id":"obj_013","temporal":{"status":"found","start_s":0.5,"end_s":1.5,"reference_s":1.0,"evidence":"目标是画面中央偏下、左中部警报下方且大型右侧警报左边的半透明“Fraud click flagged”通知。0.50秒首次呈现完整圆角表面、指针图标和文字，之后仅继续放大；1.25秒为最后合格帧。此前0.25秒尚未出现，之后1.50秒开始淡出。选择1.00秒作为关键帧，此时轮廓完整，且易与其他通知区分。","start_frame":12,"end_frame":36,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[437,508,563,548],"positive_points":[[451,528],[474,528],[517,528],[449,517],[548,523],[531,539]],"negative_points":[[416,530],[500,479],[573,562],[615,507]],"evidence":"目标是图像中央偏下、左中部警报下方且大型右侧警报左边的半透明“Fraud click flagged”通知。边框紧贴其圆角卡片，包含表面、指针图标和文字；正点分布在这些内容上，负点位于卡片外背景及右侧另一条通知上。"}},{"name":"Lower-center fraud alert","description":"Bright “Fraud click flagged” badge near the lower center. It remains visible beneath the emerging headline after most other notifications disappear.","membership":"Includes the complete rounded badge, pointer icon, and text throughout its scaling and fading. Excludes its external shadow and the headline above.","id":"obj_014","temporal":{"status":"found","start_s":0.5,"end_s":1.75,"reference_s":1.25,"evidence":"目标是画面下方中央带指针图标及“Fraud click flagged”文字的亮色圆角徽章。0.50秒首次完整呈现，随后放大，至1.50秒仍清晰完整；前一帧0.25秒尚未出现，后一帧1.75秒在浮现的标题下方开始淡出。选择1.25秒为关键帧，此时徽章轮廓、图标和文字清楚，无遮挡，且周围通知较少。","start_frame":12,"end_frame":42,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[433.6,759.3,572.1,803.7],"positive_points":[[449,780],[472,781],[519,781],[556,776],[459,792],[534,793]],"negative_points":[[500,730],[500,835],[410,780],[600,784]],"evidence":"目标是画面下方中央明亮的“Fraud click flagged”圆角徽章。边界框覆盖完整徽章底色、指针图标和文字，不含外部阴影。六个正点分布在图标、文字及徽章表面，四个负点位于徽章上下左右的外部背景。"}},{"name":"Faint bottom-right fraud alert","description":"Small low-opacity “Fraud click flagged” badge near the bottom, right of the lower-center fraud notification.","membership":"Includes this badge’s rounded backing, pointer icon, and text. Excludes adjacent notifications, background, and shadow.","id":"obj_015","temporal":{"status":"found","start_s":0.5,"end_s":1.75,"reference_s":1.25,"evidence":"目标是下方中央通知右侧、靠近底部的低透明度“Fraud click flagged”小徽章，包含圆角底板、指针图标和文字。0.50秒首次完整呈现，随后整体放大；1.50秒仍保持完整。相邻的0.25秒尚未出现，1.75秒已开始淡出。选择1.25秒作为关键帧，此时徽章结构清楚，与附近通知分离。","start_frame":12,"end_frame":42,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[644,860,765,899],"positive_points":[[652,873],[660,880],[686,870],[697,881],[727,887],[754,880]],"negative_points":[[697,838],[705,923],[508,781],[836,808]],"evidence":"目标是下方中央清晰欺诈通知右侧、靠近底部的淡色“Fraud click flagged”徽章。框覆盖其圆角底板、指针图标和文字，不含阴影。正点分布于该徽章内部各部分；负点位于上下方背景及相邻的清晰欺诈通知和可疑 IP 通知上。"}},{"name":"Bottom-left bot traffic alert","description":"Bright “Bot traffic +12” badge near the bottom-left, below the suspicious IP notifications.","membership":"Includes its rounded pink-to-white surface, boundary, alert symbol, and text. Excludes the external shadow.","id":"obj_016","temporal":{"status":"found","start_s":0.5,"end_s":1.5,"reference_s":1.0,"evidence":"目标为左下方、位于可疑 IP 通知下方的明亮“Bot traffic +12”圆角粉白徽章。0.50 秒首次完整显示其表面、边界、图标和文字，随后缩放仍保持完整；最后符合条件的帧为 1.25 秒。前一帧 0.25 秒尚未出现该徽章，后一帧 1.50 秒已开始淡出。选择 1.00 秒作为关键帧，此时徽章清晰明亮、无遮挡，容易与其他通知区分。","start_frame":12,"end_frame":36,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[108.6,881.5,275.7,935.2],"positive_points":[[120,898.1],[129.3,908.3],[162.9,909.3],[204.3,909.3],[261.4,897.2],[248.6,925]],"negative_points":[[89.3,909.3],[300,907.4],[192.9,851.9],[192.9,965.7]],"evidence":"目标是图像左下方、Suspicious IP 通知下方的明亮“Bot traffic +12”徽章。边界框紧贴其圆角粉白色表面，包含警报符号和文字，不含外部阴影。六个正点分布于表面、图标及文字，四个负点位于徽章四周的外部背景。"}},{"name":"Bottom-edge bot traffic alert","description":"Faint “Bot traffic +12” notification partly clipped by the bottom edge near the center, below and right of the bright bottom-left bot traffic badge.","membership":"Includes the visible portion of this individual rounded notification and its symbol and text. Excludes the other bot traffic badges and surrounding background.","id":"obj_017","temporal":{"status":"found","start_s":0.5,"end_s":1.5,"reference_s":1.0,"evidence":"目标是亮色左下方机器人流量徽章右下侧、底边中央被有意裁切的淡色“Bot traffic +12”通知。0.50秒首次呈现完整的可见设计部分，随后仅缩放，至1.25秒仍保持；此前0.25秒尚未出现，之后1.50秒开始淡出。选择1.00秒作为关键帧，其圆角面板、符号和文字较清楚，便于与左下方亮色徽章区分。","start_frame":12,"end_frame":36,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[373,964,515,1000],"positive_points":[[390,986],[411,987],[445,987],[479,980],[504,991],[429,974]],"negative_points":[[197,909],[500,781],[340,978],[552,975]],"evidence":"目标是底边中央偏左、位于左下方明亮徽章右下侧的淡色“Bot traffic +12”通知。框覆盖其可见圆角面板、图标和文字，下缘止于图像底边。正点分布于该通知的可见表面及文字图标区域；负点位于左右外部背景及其他独立通知上。"}},{"name":"Only real clicks headline","description":"Large dark centered text reading “Only real clicks get through,” progressively revealed as the opening notifications disappear.","membership":"Includes only the complete headline’s letterforms through its reveal and fade. Excludes the gradient background and any remaining notifications.","id":"obj_018","temporal":{"status":"found","start_s":2.0,"end_s":2.5,"reference_s":2.25,"evidence":"目标是居中的深色完整标题“Only real clicks get through”。首个合格帧为2.00秒，最后合格帧为2.25秒；此前1.75秒标题尚在逐字揭示，右侧文字模糊且不完整，之后2.50秒标题开始模糊淡出。选择2.25秒作为关键帧，因完整字形清晰、无遮挡，且周围通知已消失。","start_frame":48,"end_frame":60,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[231.4,478.7,768.6,532.4],"positive_points":[[235.7,500],[400.7,500],[446.4,500],[595.7,501.9],[639.3,499.1],[750,500]],"negative_points":[[500,420],[500,600],[180,500],[825,500]],"evidence":"图中中央深色标题完整显示“Only real clicks get through”。边界框紧贴整行文字的可见范围，包含字母间距及下伸笔画；六个正点分布在标题不同位置的字母笔画上，四个负点位于标题上下左右的渐变背景中。"}},{"name":"Blocked by ClickGuard chart card","description":"White rounded card titled “Blocked by ClickGuard,” featuring a segmented blue doughnut chart around “14,800” and “Total.” Its legend lists IP address, IP range, App placement, and Domain placement. It is first presented independently, then moves into the threat dashboard on the laptop.","membership":"Includes the white card surface, rounded boundary, heading, help icon, entire doughnut chart and enclosed center, total, and legend. Excludes the larger translucent presentation surround and external shadows. The region follows this same card when it becomes part of the laptop display.","id":"obj_019","temporal":{"status":"found","start_s":3.25,"end_s":6.0,"reference_s":3.5,"evidence":"目标为标题“Blocked by ClickGuard”、中心显示“14,800 / Total”并带四项图例的白色圆角卡片，不含外层半透明衬框。3.00秒仍处于模糊淡入，3.25秒卡片表面与边界已完整建立；随后缩小并连续移入笔记本威胁仪表盘。最后合格帧为5.75秒，6.00秒卡片随屏幕下移而被画面底边裁切。选择3.50秒作为关键帧，此时卡片较大、清晰且无遮挡。","start_frame":78,"end_frame":144,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[263,253,737,747],"positive_points":[[353,282],[311,480],[457,511],[652,406],[687,673],[372,692]],"negative_points":[[245,478],[757,505],[501,231],[492,769]],"evidence":"根据“Blocked by ClickGuard”标题、蓝色分段环形图、中央“14,800 / Total”和右侧图例确定目标。边界框紧贴白色圆角卡片，包含其表面及全部内部内容，不含外层半透明展示框和阴影。正点分布于标题、图环、中央、图例及卡片表面；负点位于卡片四周的外层展示区域。"}},{"name":"Bad clicks traffic timeline card","description":"White rounded “Traffic timeline” card with a pink filled line chart, a “Bad clicks” selector, and date labels. It enters to the right of the blue doughnut card and later appears within the threat dashboard.","membership":"Includes the complete card surface and boundary, heading, selectors, time-range controls, axes, labels, and plotted data. Excludes adjacent chart cards and the laptop bezel.","id":"obj_020","temporal":{"status":"found","start_s":4.75,"end_s":5.75,"reference_s":4.75,"evidence":"目标是带“Traffic timeline”标题、“Bad clicks”选择器及粉色填充折线图的白色圆角卡片。4.75秒首次完整入框，随后随威胁仪表盘旋转、移动，至5.50秒仍完整可见。前一帧4.50秒卡片右侧仍被画面边缘截断；后一帧5.75秒卡片随仪表盘下移，底部开始出框。选择4.75秒作为关键帧，因为卡片正向显示、边界完整，且与相邻蓝色环形图卡片容易区分。","start_frame":114,"end_frame":138,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[548.6,554.6,990.7,886.1],"positive_points":[[584,580],[807,581],[957,580],[704,652],[837,719],[807,862]],"negative_points":[[385,712],[718,520],[811,938],[372,444]],"evidence":"目标是右侧带“Traffic timeline”标题、“Bad clicks”选择器和粉色面积折线图的白色圆角卡片。边框覆盖完整卡片及其时间控件、坐标轴和日期标签。正点分布于标题、选择器、时间按钮、图表及底部卡片表面；负点位于左侧蓝色环图卡片、上方电脑边框、下方屏幕背景和更上方的渐变背景。"}},{"name":"Threat dashboard laptop","description":"Black laptop displaying the ClickGuard “Threat” dashboard, initially entering behind the floating chart cards. It subsequently appears sideways on the left, with its keyboard extending toward the left edge.","membership":"Includes the laptop’s visible screen, bezel, body, hinge, keyboard, and all displayed dashboard contents. Separately listed chart cards remain included within its screen region. Excludes the background, external shadows, and the other laptop.","id":"obj_021","temporal":{"status":"found","start_s":5.0,"end_s":5.75,"reference_s":5.25,"evidence":"目标是左侧横转的黑色笔记本，屏幕显示 ClickGuard“Threat”仪表盘、14,800 环形图和粉色流量图，键盘朝左边缘延伸。首个合格帧为5.00秒，最后为5.50秒；4.75秒仍在从下方入场，机身尚未完整呈现，5.75秒则开始向下离场并被画面底边裁切。左侧键盘的持续裁切属于该侧向构图。选择5.25秒作为关键帧，屏幕与边框清晰完整，且容易与右侧另一台笔记本区分。","start_frame":120,"end_frame":138,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[0,17,489,986],"positive_points":[[12,495],[217,326],[348,464],[167,809],[434,165],[476,883]],"negative_points":[[770,500],[570,300],[355,26],[360,980]],"evidence":"目标是左侧横置、屏幕显示 ClickGuard“Threat”的黑色笔记本，键盘向左延伸至画面边缘。边界框覆盖其可见屏幕、全部仪表板内容、边框和机身键盘；正点分布于屏幕内容、边框及左侧键盘，负点位于右侧另一台笔记本和目标上下方背景。"}},{"name":"Analytics dashboard laptop","description":"Second black laptop displaying the ClickGuard “Analytics” dashboard. It appears sideways on the right opposite the threat laptop, with its keyboard toward the right edge.","membership":"Includes this laptop’s visible screen, bezel, body, hinge, keyboard, and all displayed interface contents. Separately listed charts remain included within its screen region. Excludes the left laptop and the surrounding background.","id":"obj_022","temporal":{"status":"found","start_s":5.25,"end_s":5.75,"reference_s":5.25,"evidence":"目标是右侧横转的黑色笔记本，屏幕显示 ClickGuard“Analytics”仪表板，键盘朝右，与左侧 Threat 笔记本相对。首个合格帧为5.25秒，最后合格帧为5.50秒；右侧键盘的画面裁切属于构图。此前5.00秒屏幕下部仍在入场并被下边界截断，之后5.75秒笔记本向上退出，屏幕开始被上边界截断。选择5.25秒作为关键帧，屏幕和边框完整清晰，便于区分两台笔记本。","start_frame":126,"end_frame":138,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[512,28,1000,998],"positive_points":[[564,871],[651,442],[779,680],[798,234],[907,625],[986,522]],"negative_points":[[290,360],[325,780],[499,500],[744,30]],"evidence":"目标是右侧横向摆放、显示 ClickGuard「Analytics」仪表板的黑色笔记本，键盘位于画面右缘。边界框覆盖其可见屏幕、边框、机身、铰链及键盘；正点分布于屏幕各区域和键盘，负点位于左侧笔记本、两机间隙及上方背景。"}},{"name":"Blacklist entries chart card","description":"Card labeled “Blacklist entries” on the threat laptop, containing a gray segmented doughnut chart and a category legend. It is partly cropped along the outer side of the display in the sideways view.","membership":"Includes the visible card surface, boundary, heading, doughnut and enclosed center, and legend. Excludes neighboring cards and the laptop hardware.","id":"obj_023","temporal":{"status":"found","start_s":5.0,"end_s":6.0,"reference_s":5.25,"evidence":"目标是左侧横转的 Threat 笔记本屏幕上标有“Blacklist entries”的卡片，内含灰色分段圆环和分类图例；沿显示屏外侧的裁切属于既定展示方式。首个合格帧为5.00秒，最后为5.75秒。此前4.75秒未见该卡片明确呈现；之后6.00秒卡片随笔记本向下退出，已被视频下边界截断。选择5.25秒作为关键帧，标题、圆环、图例及可见卡片边界清楚，便于与邻近卡片区分。","start_frame":120,"end_frame":144,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[46.4,226.9,129.3,516.7],"positive_points":[[117.1,261.1],[88.6,288.0],[65.7,346.3],[116.4,378.7],[98.6,460.2],[59.3,494.4]],"negative_points":[[32.1,351.9],[215.0,322.2],[115.0,594.4],[138.6,161.1]],"evidence":"目标位于左侧笔记本屏幕外缘，可见“Blacklist entries”标题、灰色分段圆环及分类图例。框覆盖被屏幕边缘裁切后仍可见的完整卡片区域；正点分布在标题、圆环与中心、图例及卡片表面，负点位于机身、相邻蓝色圆环卡片、下方卡片和侧栏。"}},{"name":"Enforced fraud rate card","description":"Threat-dashboard card titled “Enforced fraud rate,” showing a campaign row with fraud-rate and trend information beneath the pink traffic chart in the dashboard’s reading orientation.","membership":"Includes the card surface, boundary, title, campaign control, column labels, and displayed campaign data. Excludes the adjacent timeline card and surrounding dashboard surface.","id":"obj_024","temporal":{"status":"found","start_s":5.0,"end_s":5.75,"reference_s":5.25,"evidence":"目标位于左侧旋转的 Threat 仪表盘中，按页面阅读方向在粉色流量图下方；卡片含“Enforced fraud rate”标题、Campaigns 控件及欺诈率和趋势数据。首个合格帧为5.00秒，最后为5.50秒。此前4.75秒该卡片尚未完整显示；之后5.75秒随仪表盘下移而被画面底边裁切。选择5.25秒作为关键帧，卡片内容清晰且无遮挡。","start_frame":120,"end_frame":138,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[46.4,522.2,129.3,922.2],"positive_points":[[114.3,570.4],[115,869.4],[89.3,750],[67.1,588],[67.1,757.4],[96.4,670.4]],"negative_points":[[199.3,672.2],[110.7,368.5],[210.7,157.4],[347.1,708.3]],"evidence":"目标位于左侧屏幕的画面左下方，标题为“Enforced fraud rate”，在仪表盘阅读方向上处于粉色流量图下方。边框覆盖该卡片可见表面、标题、Campaigns 控件、列标签及活动数据；正点分布于这些内容和卡片表面，负点位于相邻流量图、黑名单卡片、侧栏及其他指标卡片。"}},{"name":"Engagement funnel card","description":"Analytics-dashboard card titled “Engagement funnel,” with a horizontal blue, purple, and pink funnel and totals for clicks, engaged clicks, and conversions.","membership":"Includes the complete card surface and boundary, heading, colored funnel, numerical labels, and summary values. Excludes adjacent dashboard cards and laptop hardware.","id":"obj_025","temporal":{"status":"found","start_s":5.25,"end_s":6.0,"reference_s":5.25,"evidence":"目标位于右侧旋转的 Analytics 仪表盘中，可由“Engagement funnel”标题、蓝紫粉三色漏斗及点击、互动点击和转化汇总值识别。首个完整呈现帧为5.25秒，最后合格帧为5.75秒；前一帧5.00秒卡片仍被画面下边界裁切，后一帧6.00秒随仪表盘上移而被上边界裁切。选择5.25秒作为关键帧，卡片边界与内容完整清晰，无遮挡。","start_frame":126,"end_frame":144,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[686.4,440.7,869.3,789.8],"positive_points":[[702,735],[776,718],[773,626],[774,502],[847,740],[849,520]],"negative_points":[[770,309],[908,650],[650,575],[592,876]],"evidence":"目标位于右侧笔记本的 Analytics 仪表盘中，可由“Engagement funnel”标题、蓝紫粉三色漏斗及点击、参与点击和转化汇总识别。边界框覆盖完整卡片表面、标题、漏斗和数值。正点分布于标题、三色漏斗及汇总区域；负点位于相邻流量图、地图、指标卡和侧栏，不包含笔记本硬件。"}},{"name":"Analytics traffic timeline card","description":"Analytics-dashboard “Traffic timeline” card containing stacked green, yellow, and pink bars for normal, suspicious, and bad clicks, with a small data tooltip over the plot.","membership":"Includes the card surface, boundary, title, legend, axes, bar chart, and displayed data tooltip. Excludes neighboring cards and the laptop bezel.","id":"obj_026","temporal":{"status":"found","start_s":5.0,"end_s":5.75,"reference_s":5.25,"evidence":"目标位于右侧旋转的 Analytics 仪表盘内，是带绿、黄、粉色堆叠柱、图例及数据提示框的“Traffic timeline”卡片，不是左侧的粉色折线图。首个合格帧为5.00秒，最后合格帧为5.50秒，卡片表面与边界均完整可见。此前4.75秒仅显示 Threat 仪表盘的圆环图和折线图；此后5.75秒目标随右侧屏幕上移，开始被画面上边缘裁切。选择5.25秒作为关键帧，卡片完整清晰，易与邻近卡片区分。","start_frame":120,"end_frame":138,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[687,88,869,439],"positive_points":[[703,388],[784,209],[819,374],[737,236],[855,278],[705,123]],"negative_points":[[897,273],[771,616],[649,442],[974,439]],"evidence":"目标位于右侧屏幕上部，是带“Traffic timeline”标题、绿黄粉堆叠柱状图及悬浮数据提示框的卡片。边界框覆盖完整卡片表面、标题、坐标轴、图例和提示框；正点分布于这些内容及卡片表面，负点位于相邻图表、指标卡和笔记本边框。"}},{"name":"Source map card","description":"Analytics-dashboard card titled “Source map,” showing a pale world map with blue highlighted regions and “Total clicks,” “Map,” and “Chart” controls. Part of the card is clipped by the display view.","membership":"Includes the visible card surface, boundary, title, controls, and map graphic. Excludes the adjacent funnel and ROI cards and the laptop hardware.","id":"obj_027","temporal":{"status":"found","start_s":5.0,"end_s":6.0,"reference_s":5.25,"evidence":"目标是右侧笔记本 Analytics 仪表盘中的“Source map”卡片，可见浅色世界地图、蓝色区域及 Total clicks、Map、Chart 控件；显示视图造成的设计性裁切予以保留。首个合格帧为5.00秒，最后为5.75秒。此前4.75秒仅显示威胁统计卡片，目标尚未出现；6.00秒目标随屏幕上移而被视频上边界裁切，结束此次出现。选择5.25秒作为关键帧，卡片可见结构清晰，易与相邻漏斗和ROI卡片区分。","start_frame":120,"end_frame":144,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[870,443,953.6,789],"positive_points":[[888,747],[888,580],[888,507],[923,695],[949,755],[922,472]],"negative_points":[[815,648],[906,278],[968,646],[785,850]],"evidence":"目标位于右侧屏幕右下部，可见“Source map”标题、Total clicks及Map/Chart控件，以及带蓝色区域的浅色世界地图。框覆盖可见卡片表面至屏幕裁切边缘；正点分布于标题、控件、地图和卡片表面，负点位于相邻漏斗卡、ROI卡、下方其他面板及笔记本硬件上。"}},{"name":"Protection ROI chart card","description":"Analytics-dashboard card titled “Protection ROI over time,” containing blue and purple plotted series and a small data tooltip. It is visible near the outer edge of the sideways analytics display.","membership":"Includes the visible card surface and boundary, heading, axes, plotted lines and fills, labels, and data tooltip. Excludes the neighboring traffic timeline and the laptop bezel.","id":"obj_028","temporal":{"status":"found","start_s":5.0,"end_s":5.75,"reference_s":5.25,"evidence":"目标位于右侧横转的 Analytics 显示屏外缘，标题为“Protection ROI over time”，含蓝紫色曲线、填充及数据提示框，不包括相邻 Traffic timeline。首个合格帧为5.00秒，最后为5.50秒；4.75秒仅显示 Threat 仪表板，尚无目标，5.75秒目标随屏幕上移而被视频上边界裁切。卡片在显示屏外缘的固定视口裁切属于原有呈现。选择5.25秒，因标题、图表和提示框较清晰，且未被视频边界裁切。","start_frame":120,"end_frame":138,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[870,88,953.6,437],"positive_points":[[884,369],[925,306],[939,218],[919,148],[897,323],[928,399]],"negative_points":[[816,252],[967,273],[912,594],[790,590]],"evidence":"目标位于右侧横转的 Analytics 屏幕外缘，可见“Protection ROI over time”标题、蓝紫色曲线及数据提示框。边界框覆盖该卡片全部可见表面，右边界止于屏幕裁切处。正点分布于标题、图表、提示框及卡片表面；负点位于相邻流量时间线、下方地图、漏斗卡片和笔记本边框。"}},{"name":"Closing ClickGuard logo","description":"Large white ClickGuard brand lockup centered on the pastel background, combining an angular shield-like emblem with the “ClickGuard” wordmark as the laptops move away.","membership":"Includes the emblem and wordmark as one compact brand lockup, following their visible shapes. Excludes the background and departing laptop fragments.","id":"obj_029","temporal":{"status":"found","start_s":6.25,"end_s":7.0,"reference_s":6.75,"evidence":"目标为居中的大型白色 ClickGuard 品牌组合，包含盾形徽标和完整字标，不含离场笔记本。6.00 秒仅出现尚未完整揭示的横向标志片段；6.25 秒两部分的可见结构均已完整建立，之后整体缩放仍属同一次出现。最后合格帧为 6.75 秒，视频至 7.00 秒结束，无后续采样帧。选择 6.75 秒作为关键帧，因为标志完整清晰，且离场笔记本已不再干扰。","start_frame":150,"end_frame":168,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[94,404,882,564],"positive_points":[[105,475],[151,545],[247,480],[455,474],[530,481],[866,476]],"negative_points":[[65,474],[485,355],[492,630],[925,478]],"evidence":"图中央可见白色盾形徽标与“ClickGuard”字标，构成完整品牌组合。边界框紧贴徽标和整段字标的可见范围；正点分布在徽标轮廓及字母笔画上，负点位于组合左、上、下、右侧的外部 pastel 背景。"}}]}
+{"video_id":158,"video_type":"visual design and media animation","targets":[{"name":"Kinetic typography sentence — first presentation","description":"A progressively revealed sentence beginning with “animating” in bold black lowercase type. It develops into “animating text like this can be challenging but this tutorial will help you how to do that,” arranged across rotating, perspective-angled planes. “like,” “but,” and “you” are bright green. This presentation ends with a blank screen.","membership":"Include all revealed lettering belonging to this sentence, following its changing arrangement, scale, and perspective. Exclude the plain background and motion-blur trails.","id":"obj_001","temporal":{"status":"found","start_s":4.75,"end_s":5.5,"reference_s":5.0,"evidence":"目标为首次呈现的透视旋转句子，黑色粗体配以绿色“like”“but”“you”。4.75秒末词“that”已完整出现，整句首次完成揭示；5.25秒为最后合格帧。前邻帧4.50秒尚缺“that”，后邻帧5.50秒已变为空白。选择5.00秒作关键帧，整句清晰完整、无遮挡，便于标注全部 lettering。","start_frame":114,"end_frame":132,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[280.7,133.3,696.4,880.6],"positive_points":[[432.3,146.3],[436.5,296.3],[388.5,430.6],[530.2,493.5],[403.6,576.9],[510.9,764.8]],"negative_points":[[210,500],[750,400],[500,80],[560,940]],"evidence":"图中可见由“animating text like”展开至“that”的透视排版句子，其中“like”“but”“you”为亮绿色。边界框覆盖全部已显示文字；六个正点分布在顶部小字、绿色词及中下部黑色大字的笔画上，四个负点位于整组文字外围的浅色背景。"}},{"name":"Kinetic typography sentence — second presentation","description":"The sentence restarts with the isolated black word “animating” after the blank screen. It again builds into the complete perspective-arranged sentence, with “like,” “but,” and “you” highlighted in green.","membership":"Include all lettering revealed as part of this second sentence presentation, including words on both angled planes. Exclude the background and motion-blur trails.","id":"obj_002","temporal":{"status":"found","start_s":10.25,"end_s":11.0,"reference_s":10.5,"evidence":"第二次呈现从5.75秒独立的黑色“animating”重新开始，逐步组成双斜面句子，其中“like”“but”“you”为绿色。10.25秒末尾“that”完整出现，全部指定文字首次揭示完成；最后合格帧为10.75秒。前一帧10.00秒尚缺“that”，后一帧11.00秒已变为空白。选择10.50秒作为关键帧，因为完整句子清晰、无遮挡，两个斜面上的文字均可辨认。","start_frame":246,"end_frame":264,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[280.7,133.3,696.4,880.6],"positive_points":[[434.9,148.1],[301,512],[440.1,301.9],[565.1,487],[406.3,576.9],[545.8,758.3]],"negative_points":[[235,450],[750,530],[490,70],[580,939]],"evidence":"图中可见沿两个倾斜平面排列的完整句子，其中“like”“but”“you”为绿色，与目标描述一致。边界框覆盖顶部小字“animating”至底部大字“that”的全部可见文字。六个正点分散落在上下及左右不同单词的实际笔画上，四个负点均位于整组文字外围的空白背景。"}},{"name":"Kinetic typography sentence — third presentation","description":"After the second completed sentence, a fresh isolated “animating” begins another presentation. The sampled sequence shows “animating text,” green “like,” and the large black words “this can be” before the transition to the logo animation.","membership":"Include the sentence lettering revealed during this restart, following its rotation and enlargement. Exclude the background, motion-blur trails, and subsequent logo elements.","id":"obj_003","temporal":{"status":"found","start_s":11.25,"end_s":12.25,"reference_s":11.75,"evidence":"11.00秒为空白；11.25秒重新出现完整、孤立的黑色“animating”，标志第三次呈现，随后加入“text”、绿色“like”和黑色“this”。最后合格帧为12.00秒；12.25秒继续放大时，上方句子 lettering 已被画面边缘裁切，12.50秒又出现圆形转场遮罩。选择11.75秒为关键帧，因为“animating text like”清晰且基本无遮挡。","start_frame":270,"end_frame":294,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[164,282,745,708],"positive_points":[[192,578],[375,422],[313,657],[421,442],[597,554],[725,566]],"negative_points":[[125,500],[500,220],[820,550],[500,790]],"evidence":"图中黑色“animating text”和绿色“like”对应此次重新呈现的句子。边界框紧贴当前可见的三词字形，排除下方运动模糊拖影。六个正点分布在各词的实际笔画上，四个负点位于文字整体外围的浅色背景。"}},{"name":"Typographic construction grid","description":"Thin black square cells, internal horizontal and vertical guides, and diagonal strokes progressively assemble in two rows. These form the construction framework for the emerging “MOTION NATIONS” lettering and later fade away.","membership":"Include the construction strokes and the enclosed areas of completed square cells, following their actual outlines. Incomplete strokes remain open. Lettering within enclosed cells lies within those cells’ regions, even though it is also identified separately. Exclude the surrounding background and the tagline below.","id":"obj_004","temporal":{"status":"found","start_s":15.0,"end_s":15.75,"reference_s":15.5,"evidence":"目标是围绕“MOTION NATIONS”两行字母的细黑方格、横竖辅助线及对角线。15.00秒首次形成完整构造框架，最后符合条件的帧为15.50秒；此前14.75秒右下方格的线条仍在绘制，之后15.75秒左下方格及辅助线开始淡出。选择15.50秒作为关键帧，此时两行网格清晰完整，便于沿实际轮廓标注。","start_frame":360,"end_frame":378,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[139.6,282.4,869.8,723.1],"positive_points":[[211,324],[431,375],[801,425],[167,631],[509,681],[841,643]],"negative_points":[[99,625],[898,628],[490,213],[500,787]],"evidence":"目标是围绕两行“MOTION NATIONS”的细黑方格及内部横、竖、斜向构造线。边界框覆盖两行全部构造框；正点分布在不同方格的封闭区域内，包括其中的字形和浅色区域。负点位于整体外围的上、下、左、右背景。"}},{"name":"MOTION NATIONS title","description":"Heavy black uppercase lettering progressively forms “MOTION” above “NATIONS” within the construction grid. The two-line title contracts toward the center and remains after the guides disappear.","membership":"Include the lettering of both lines as one coherent title block, including its progressively revealed portions. Exclude the overlaid construction boxes and guide strokes, the background, and the separate tagline.","id":"obj_005","temporal":{"status":"found","start_s":15.5,"end_s":18.0,"reference_s":17.5,"evidence":"目标为上行“MOTION”、下行“NATIONS”的粗��大写标题，不含构图网格和下方标语。15.25秒部分字母仍有未揭示的缺口，15.5秒两行字形首次完整；之后标题缩小、辅助线消失，均不影响其连续存在。最后合格帧为17.75秒，区间延续至视频结束18.0秒，无后续采样帧。选择17.5秒作为关键帧，此时字形清晰且无网格遮挡。","start_frame":372,"end_frame":432,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[329.7,380.6,669.8,623.1],"positive_points":[[353.1,425.9],[490.1,436.1],[643.2,428.7],[337.5,578.7],[495.3,579.6],[648.4,603.7]],"negative_points":[[276,500],[729,500],[500,305.6],[440.6,921.3]],"evidence":"目标为画面中央的黑色粗体两行标题“MOTION NATIONS”。边界框紧贴两行文字的整体可见范围；六个正点分布于两行左、中、右侧的字母笔画上。负点位于标题左侧、右侧及上方背景，以及底部独立标语处，不包含字间或行间空隙。"}},{"name":"Let’s Create tagline","description":"Small black text reading “Let’s Create” appears beneath the centered “MOTION NATIONS” title, near the bottom of the frame.","membership":"Include only the tagline lettering. Exclude the title above, construction guides, background, and reveal blur.","id":"obj_006","temporal":{"status":"found","start_s":17.25,"end_s":18.0,"reference_s":17.5,"evidence":"目标是“MOTION NATIONS”标题下方的小号黑色“Let’s Create”字样，仅包含标语文字。17.00秒末尾字母仍带有揭示模糊，17.25秒文字首次完整清晰，持续至最后采样帧17.75秒。区间到达视频结尾18.00秒，之后没有采样帧。选择17.50秒作为关键帧，文字清楚、无遮挡且与标题分离。","start_frame":414,"end_frame":432,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[440.1,910.2,559.9,935.2],"positive_points":[[441.1,921.3],[455.2,924.1],[479.2,932.4],[497.9,923.1],[538.0,929.6],[554.7,924.1]],"negative_points":[[416.7,921.3],[499.0,882.4],[500.0,962.0],[525.0,574.1]],"evidence":"目标是画面底部、主标题下方的黑色“Let’s Create”标语。边界框紧贴整段标语的可见字母；六个正点分布在两个词的字母笔画上，负点位于标语外围背景及上方主标题上，排除其他内容。"}}]}
+{"video_id":159,"video_type":"visual design and media animation","targets":[{"name":"KEVIN FEIGE title","description":"Large, bold white uppercase name in the composition preview, positioned between two red horizontal rules. It is briefly masked during animation playback and later overlapped by newly entered text.","membership":"Includes the complete lettering of “KEVIN FEIGE” as revealed by the animation. Excludes the red rules, black preview background, selection indicators, and overlapping new text.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":4,"evidence":"目标是预览区两条红色横线之间的粗体白色大写“KEVIN FEIGE”，不包括红线及选择标记。首个采样帧0秒已完整显示，之前无视频帧；最后符合条件的帧为7.75秒。紧接的8秒帧中文字消失，仅见红线，因此结束本次连续出现。选择4秒作为关键帧，完整字形清晰，无遮挡且易于标注。","start_frame":0,"end_frame":192,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[424.5,174.5,903.6,275.9],"positive_points":[[434,222],[552,251],[619,220],[691,223],[813,222],[871,234]],"negative_points":[[660,161],[573,291],[729,343],[156,231]],"evidence":"目标是预览区两条红色横线之间的白色大写“KEVIN FEIGE”。边界框紧贴完整姓名文字，不含红线及选择标记；六个正点分布于姓名各部分的实际字形笔画，负点位于上下红线、文字下方黑色背景和左侧界面区域。"}},{"name":"Upper red rule","description":"Long, thin red horizontal bar above the name in the composition preview; it moves toward the other rule during the title animation.","membership":"Includes the filled red bar and its boundary, following its changing length and position. Excludes the name, lower rule, background, and interaction indicators.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":1,"evidence":"目标是合成预览中姓名上方的细长红色横条，不包含下横条和文字。首个合格帧为0.00秒，最后为24.75秒；期间横条改变长度和位置，并在约8秒时与另一横条重合，仍可见完整条状结构，未见淡出或擦除。区间覆盖视频首尾，两端均无额外相邻帧。选择1.00秒作为关键帧，此时上横条轮廓清晰，与姓名和下横条分离，便于标注。","start_frame":0,"end_frame":600,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[419.79,154.63,908.85,167.59],"positive_points":[[433.33,161.11],[513.54,160.19],[600,162.04],[696.88,161.11],[796.88,160.19],[892.71,161.11]],"negative_points":[[491.67,201.85],[572.92,291.67],[651.04,115.74],[937.5,222.22]],"evidence":"目标是预览区“KEVIN FEIGE”姓名上方的细长红色横条，框紧贴其完整可见边界。六个正点分布于横条左、中、右的红色实体上；负点位于姓名、下方红线及外部黑色背景，排除这些非目标区域。"}},{"name":"Lower red rule","description":"Long, thin red horizontal bar beneath the name in the composition preview, extending across the title width.","membership":"Includes this red bar and its boundary throughout its animation. Excludes the separate expanding red rectangle beneath its right side, the lettering, and selection handles.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":5,"evidence":"目标是预览区姓名下方横贯标题宽度的细红线，不包含右下方扩展的红矩形、文字或蓝色选择手柄。首帧0.00秒已完整显示，末帧24.75秒仍可见；中途预览动画中红线缩放、移动并与上方红线重合，但其自身完整结构持续可见。区间覆盖视频首尾，边界外没有采样帧。选择5.00秒，因下方红线清晰完整，且尚无扩展矩形干扰。","start_frame":0,"end_frame":600,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[420.3,284.3,908.3,297.2],"positive_points":[[437.5,290.7],[514.6,288.9],[595.8,291.7],[663.5,288.0],[763.5,291.7],[866.7,288.0]],"negative_points":[[520.8,161.1],[490.6,222.2],[575.0,333.3],[850.0,358.3]],"evidence":"目标是预览区“KEVIN FEIGE”字样正下方的细长红色横线，边界框紧贴其完整可见范围。六个正点分布于横线左、中、右段的红色内容上，避开蓝色选择手柄；负点位于上方另一条红线、白色字母及下方黑色背景，不包含在目标内。"}},{"name":"Animation timeline and layer controls","description":"Bottom editing panel for the “LowerThird” composition, showing shape layers, white solids, text layers, Scale controls, and animation timing. Its right side initially displays the Graph Editor and then switches to colored layer tracks.","membership":"Includes the panel surface, boundary, layer list, property rows, timeline ruler, tracks, keyframes, playhead, and panel controls. The separately identified Graph Editor belongs to this region while displayed. Excludes the composition preview and recording cursor.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":4,"evidence":"目标是底部 LowerThird 编辑面板，包含图层列表、Scale 属性、时间标尺、关键帧、播放头和面板控件；右侧由 Graph Editor 切换为彩色图层轨道，属于同一面板的内部变化。首个合格帧为 0.00 秒，最后为 24.75 秒，面板始终存在且结构完整。区间覆盖视频首尾，两端均无额外相邻帧。选择 4.00 秒作为关键帧，此时面板边界清楚，图层列表和彩色轨道完整可辨，遮挡较少。","start_frame":0,"end_frame":600,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[0,594,1000,1000],"positive_points":[[139,690],[147,769],[241,709],[747,646],[828,808],[523,921]],"negative_points":[[395,643],[590,429],[128,397],[659,222]],"evidence":"目标是底部“LowerThird”时间线与图层控制面板，边界覆盖整个底部编辑区域，包括图层列表、Scale属性、时间标尺、彩色轨道、关键帧和播放头。正点分布于图层行、属性、标尺、轨道及面板空白表面；负点位于上方项目面板、合成预览及明确排除的录屏光标处。"}},{"name":"Scale speed graph","description":"Graph Editor chart on the right side of the bottom panel, showing a green speed curve that rises sharply and eases down to zero, with selected yellow keyframes and tangent handles.","membership":"Includes the bounded plotting region, grid, speed markings, colored curves, keyframes, and tangent handles. Excludes the adjacent layer list, surrounding toolbar, cursor highlight, and floating tooltip.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":3.75,"reference_s":3,"evidence":"目标是底部面板右侧的速度图表，包含网格、速度刻度、绿色曲线及黄色关键帧和切线手柄，不含左侧图层列表。首个合格帧为0.00秒，图表已完整建立；视频起点之前没有采样帧。最后合格帧为3.50秒；紧邻的3.75秒帧开始显示时间轴条带叠入、图表淡出，4.00秒已切换为时间轴。选择3.00秒作为关键帧，图表及曲线清晰，鼠标位于图表外的工具栏区域。","start_frame":0,"end_frame":90,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[408.3,680.6,988.5,945.4],"positive_points":[[520.8,740.7],[424.5,858.3],[640.6,700.9],[697.9,852.8],[755.7,925],[931.8,789.8]],"negative_points":[[156.3,740.7],[781.3,643.5],[744.8,967.6],[398.4,640.7]],"evidence":"目标是底部右侧含绿色速度曲线和黄色关键帧的图表。边框紧贴绘图区，涵盖网格、速度刻度、曲线及切线手柄；正点分布于绘图区表面、绿色曲线和黄色关键帧，负点位于左侧图层列表、上方时间标尺、下方工具栏及光标高亮处。"}},{"name":"Expanding red rectangle","description":"Red shape associated with the selected “Shape Layer 3,” initially collapsed along the right portion of the lower rule. During playback it expands downward into a wide rectangle beneath the right side of the title.","membership":"Includes the filled rectangular shape and its boundary at its current animated size, including its collapsed state. Excludes the separate full-width lower rule, text, and blue selection handles.","id":"obj_006","temporal":{"status":"found","start_s":9.75,"end_s":25.0,"reference_s":17.0,"evidence":"目标是标题右半部下方、与 Shape Layer 3 对应的红色填充矩形，不包括贯穿标题的下横线或蓝色控制点。9.75 秒首次可见其向下展开的薄矩形，前一帧 9.50 秒仅见独立下横线；随后矩形向下缩放，12.75–14.00 秒的折叠状态也按要求保留。最后合格帧为 24.75 秒，视频于 25.00 秒结束，无后续帧。选择 17.00 秒作为关键帧，此时矩形完整展开、边界清楚且无遮挡。","start_frame":234,"end_frame":600,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[681.8,433.3,907.8,532.4],"positive_points":[[695,451],[764,447],[889,459],[705,513],[794,487],[887,516]],"negative_points":[[575,434],[832,402],[795,586],[943,487]],"evidence":"目标是标题右半部下方、与所选 Shape Layer 3 对应的红色实心矩形。边界框覆盖其当前展开的矩形范围，不包含向左延伸的独立下横线、标题文字和蓝色选择手柄。六个正点分布在矩形内部，四个负点分别位于左侧下横线、白色标题以及矩形下方和右侧的黑色背景。"}},{"name":"PRODUCER text","description":"New bold white uppercase text entered in the composition after creating “Text 2.” It progressively forms “PRODUCER” and overlaps the existing name rather than sitting inside the red rectangle.","membership":"Includes the newly entered lettering as it progressively appears. Excludes the underlying “KEVIN FEIGE” lettering, red graphics, insertion caret, selection indicators, and black background.","id":"obj_007","temporal":{"status":"found","start_s":24.25,"end_s":25.0,"reference_s":24.5,"evidence":"目标是新建 Text 2 后输入、叠在原有“KEVIN FEIGE”上的粗体白色大写“PRODUCER”，不包括底层姓名和红色图形。24.25 秒首次显示完整单词，24.0 秒仍在逐字输入、末尾尚未完成；最后合格帧为 24.75 秒。目标持续到视频结束，边界外无后续帧。选择 24.5 秒作为关键帧，此时新增文字已完整且保持稳定。","start_frame":582,"end_frame":600,"reference_frame":588},"grounding":{"status":"found","bbox_xyxy":[445.3,327.8,877.6,428.7],"positive_points":[[451.6,420.4],[502.6,421.3],[572.4,419.4],[612.5,393.5],[670.3,362],[867.2,422.2]],"negative_points":[[430.2,367.6],[894.3,396.3],[788.5,484.3],[650,260]],"evidence":"新输入的白色粗体“PRODUCER”与原有“KEVIN FEIGE”重叠，整体略向右下偏移。框覆盖新文字的可见字形范围，不含红色图形和插入光标；正点分布在新文字的字干及下沿，负点位于原文字两端独立露出的笔画、下方红块和上方黑色背景。"}}]}
+{"video_id":160,"video_type":"visual design and media animation","targets":[{"name":"Rotating layered-square graphic","description":"The opening central animation consists of overlapping black, white, and purple squares at different angles, with a solid black circle centered on the front purple square. The graphic rotates and enlarges until its outer portions extend beyond the image.","membership":"Include the visible surfaces and boundaries of all three overlapping squares and the central black circle as one coherent graphic. Follow the exposed outline of the layered shapes, including its concavities; exclude the surrounding purple background and watermark.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标为中央黑、白、紫三层错角重叠方形及紫色前层中央的黑圆。0.00秒已完整呈现，0.25秒旋转放大后仍全部位于画面内，为最后合格帧；0.50秒继续放大，外缘首次被画面上下边界裁切，故不纳入。区间始于视频开头，无更早采样帧。选择0.00秒作为关键帧，三层形状与凹凸外轮廓均清晰可辨，且无遮挡。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[272.4,94.4,728.1,905.6],"positive_points":[[340,300],[484,187],[433,403],[500,499],[668,468],[515,811]],"negative_points":[[221,535],[779,476],[491,43],[830,200]],"evidence":"目标是画面中央由黑、白、紫三个旋转叠放的方形及中央黑色实心圆组成的图形。边界框紧贴所有可见图层的最外侧边缘；正点分布于外露黑白方形、前层紫色表面和黑圆上，负点均位于整体轮廓之外的紫色背景，未包含右上角水印。"}},{"name":"POWERPOINT title banner","description":"A centered purple horizontal banner develops between two white horizontal rules on the dark background. Large white uppercase text progressively reveals “POWERPOINT” inside it, and the completed banner later fades.","membership":"Include the purple rectangular surface, its contents, and the white rules immediately above and below it. The progressively revealed title and its animated white reveal stroke belong to this banner. Exclude the separate subtitle underneath, surrounding dark background, and upper-right watermark.","id":"obj_002","temporal":{"status":"found","start_s":3.25,"end_s":7.0,"reference_s":5.5,"evidence":"目标是居中的紫色矩形横幅及其上下白色横线，包含内部标题和揭示笔画，不含下方副标题。3.25秒时横幅表面与两条边线已完整建立，后续增高和内部文字揭示不影响容器成立；前一帧3.00秒仅有单条白线。最后合格帧为6.75秒，下一帧7.00秒已开始淡出。选择5.50秒作关键帧，此时POWERPOINT完整清晰，横幅无遮挡。","start_frame":78,"end_frame":168,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[194.8,400,807.3,600],"positive_points":[[364.6,405.6],[677.1,594.4],[213.5,490.7],[784.4,527.8],[430.2,492.6],[645.3,500]],"negative_points":[[500,628.7],[500,324.1],[130.2,500],[890.6,69.4]],"evidence":"目标是中央带有白色“POWERPOINT”标题的紫色横幅。边界框覆盖紫色矩形、内部标题及紧邻上下的两条白色横线；正点分布于紫色表面、标题笔画和上下横线。负点位于下方独立字幕、外围深色背景及右上角水印，均不属于横幅。"}},{"name":"PowerPoint tutorial subtitle","description":"The separate white text “small超超的POWERPOINT教程” appears directly beneath the completed title banner in a wide, stylized typeface.","membership":"Include only the complete subtitle’s lettering throughout its reveal and fade. Exclude the purple title banner, its lower white rule, the background, and the upper-right uploader watermark.","id":"obj_003","temporal":{"status":"found","start_s":4.75,"end_s":7.0,"reference_s":5.5,"evidence":"目标是标题横幅下方独立的白色“small超超的POWERPOINT教程”字样。4.75秒字幕已完整出现，虽仍在移动且上方主标题尚未完成，不影响字幕自身成立；此前4.50秒尚无字幕。最后符合条件的帧为6.75秒，7.00秒开始明显变暗淡出。选择5.50秒作为关键帧，字幕清晰完整，与横幅下方白线分离，便于标注。","start_frame":114,"end_frame":168,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[200,616.67,798.96,642.59],"positive_points":[[210.94,627.78],[292.71,629.63],[436.46,630.56],[534.38,629.63],[663.54,629.63],[786.46,640.74]],"negative_points":[[520.83,500],[520.83,594.44],[468.75,694.44],[859.38,74.07]],"evidence":"目标是标题横幅下方独立的白色“small超超的POWERPOINT教程”字幕，框紧贴整行文字的可见范围。六个正点分布在字幕左、中、右部的字形笔画上；负点分别位于上方标题横幅、下白线、字幕下方背景及右上角水印，均不属于字幕。"}}]}
+{"video_id":161,"video_type":"visual design and media animation","targets":[{"name":"JESSICA CAMPBELL title","description":"Large white uppercase name arranged on two centered lines, with JESSICA above CAMPBELL. Individual letters slide and alternate between filled and outlined forms during the opening title animation.","membership":"Includes both lines of the name and their animated letterforms. Excludes the overlaid occupation label, its pink backing, the pink vertical accent, and the blue background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.75,"evidence":"目标为上下两行的“JESSICA CAMPBELL”，不含职业标签及粉色装饰。首帧0.00秒已显示全部字母，虽有位移、实心与描边转换，仍是完整标题；视频起点之前无采样帧。最后合格帧为1.75秒，字母仍完整可见；紧邻的2.00秒帧中右侧字母已开始淡出，故不纳入。选择0.75秒作为关键帧，两行白色姓名清晰完整，便于标注。","start_frame":0,"end_frame":48,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[284.4,388.9,726.6,611.1],"positive_points":[[336.7,419.4],[423.4,477.8],[616.4,404.2],[295.3,551.4],[486.7,562.5],[700.8,597.2]],"negative_points":[[292.2,438.9],[639.1,498.6],[773.4,569.4],[468.8,684.7]],"evidence":"目标为画面中央上下两行白色大写姓名“JESSICA CAMPBELL”，边界框紧贴两行姓名的整体可见范围。六个正点分布于两行不同字母的白色笔画上；负点位于粉色竖条、叠加的职业标签及姓名右侧和下方的蓝色背景，均不属于目标。"}},{"name":"NURSE PRACTITIONER label","description":"Small black uppercase occupation text on a bright pink strip crossing the right side of the JESSICA CAMPBELL title.","membership":"Includes only the occupation lettering throughout its reveal and disappearance. Excludes the pink strip and the larger name behind it.","id":"obj_002","temporal":{"status":"found","start_s":0.25,"end_s":1.5,"reference_s":0.75,"evidence":"目标是 JESSICA CAMPBELL 右侧粉色条上的黑色大写职业文字，仅包含“NURSE PRACTITIONER”字母。首个完整呈现帧为0.25秒，最后合格帧为1.25秒；此前0.00秒文字尚未揭示完整，此后1.50秒右端文字已被遮去，开始退出。选择0.75秒作为关键帧，文字完整清晰，便于独立标注。","start_frame":6,"end_frame":36,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[538.3,487.5,756.3,513.9],"positive_points":[[539.8,493.1],[570.3,490.3],[596.9,488.9],[614.1,490.3],[703.1,490.3],[747.7,490.3]],"negative_points":[[503.1,425],[646.1,569.4],[828.1,500],[617.2,333.3]],"evidence":"目标是亮粉色横条上的黑色大写“NURSE PRACTITIONER”。边界框仅覆盖整行职业文字，不含粉色条和后方大号姓名；六个正点分布在文字左右各段的黑色笔画上，负点位于大号姓名及外围蓝色背景。"}},{"name":"MARTIN DAVIS title","description":"Large white italic uppercase name presented across the middle of the screen. Its letters rotate and change between outlined and solid forms before and after the settled title.","membership":"Includes all letterforms of MARTIN DAVIS throughout the animation. Excludes the pink underline and the occupation text below it.","id":"obj_003","temporal":{"status":"found","start_s":3.25,"end_s":6.0,"reference_s":4.5,"evidence":"目标是屏幕中部的斜体大写姓名“MARTIN DAVIS”，不含粉色下划线和下方职业文字。3.25秒全部字母已完整呈现，后续旋转及描边、实心变化均保留；最后合格帧为5.75秒。此前3.00秒姓名尚未完整揭示，此后6.00秒右侧字母已开始消散、缺失。选择4.50秒作为关键帧，姓名为清晰完整的白色实心字，便于标注。","start_frame":78,"end_frame":144,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[178.1,401.4,826.6,506.9],"positive_points":[[197.7,438.9],[335.9,468.1],[491.4,459.7],[568.0,477.8],[709.4,470.8],[797.7,452.8]],"negative_points":[[507.8,533.3],[273.4,577.8],[507.8,340.3],[859.4,458.3]],"evidence":"目标是画面中部白色斜体大写标题“MARTIN DAVIS”。边界框紧贴整个姓名的字形范围，不含粉色下划线及下方职业文字。六个正点分散在姓名各部分的实心笔画上；负点位于粉色下划线、职业文字及标题外的蓝色背景。"}},{"name":"REAL ESTATE SPECIALIST label","description":"Smaller white italic uppercase occupation text on two left-aligned lines beneath the pink underline of MARTIN DAVIS.","membership":"Includes REAL ESTATE and SPECIALIST as one two-line text block, including their animated reveals. Excludes the underline and the name above.","id":"obj_004","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.5,"evidence":"目标是 MARTIN DAVIS 下方、粉色横线下面的白色斜体两行文字“REAL ESTATE / SPECIALIST”，不包括姓名和横线。首个完整呈现帧为4.00秒，最后合格帧为5.00秒；此前3.75秒第二行末尾仍在渐显，之后5.25秒末尾字母开始淡出。选择4.50秒作为关键帧，两行文字完整清晰且无遮挡。","start_frame":96,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[179.7,559.7,375.8,655.6],"positive_points":[[189.8,563.9],[273.4,563.9],[367.2,563.9],[190.6,623.6],[243.8,622.2],[337.5,622.2]],"negative_points":[[390.6,532],[359.4,458.3],[156.3,625],[406.3,611.1]],"evidence":"目标是粉色下划线下方的白色斜体职业标签。边界框紧贴 REAL ESTATE 和 SPECIALIST 两行完整文字；六个正点分布在两行字母笔画上，负点位于上方姓名、粉色下划线及文字块左右的外部背景，排除这些非目标区域。"}},{"name":"AMANDA BROWN title","description":"Large white italic uppercase name centered inside a thin pink slanted frame. The letters transition between outlines and solid fills and shrink away during the exit.","membership":"Includes only the AMANDA BROWN letterforms throughout their animation. Excludes the surrounding pink frame and the separate occupation labels above and below.","id":"obj_005","temporal":{"status":"found","start_s":7.0,"end_s":9.75,"reference_s":8.0,"evidence":"目标为居中的斜体大写“AMANDA BROWN”字形，不含粉色框及职业标签。7.00秒首次完整呈现，6.75秒字母仍在逐步显现；9.50秒字形仍完整，轮廓与实心填充的转换不影响纳入。9.75秒字母开始分散、缩小并淡出，因此最后纳入9.50秒。选择8.00秒作为关键帧，此时文字实心清晰、无遮挡。","start_frame":168,"end_frame":234,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[182.8,458.3,814.8,541.7],"positive_points":[[212.5,518.1],[258.6,483.3],[380.5,498.6],[432.0,526.4],[548.4,518.1],[790.6,502.8]],"negative_points":[[660.9,400.0],[315.6,606.9],[509.4,436.1],[506.3,654.2]],"evidence":"目标是画面中央粉色斜框内的白色大写斜体“AMANDA BROWN”。边界框紧贴整组姓名字形，不含粉框及上���职业标签。六个正点分散落在姓名不同字母的实心笔画上；负点位于上方和下方职业标签、粉色框线及下方外部蓝色背景。"}},{"name":"GRAPHIC DESIGNER label","description":"Small white italic uppercase text positioned above the right end of the framed AMANDA BROWN name.","membership":"Includes only the GRAPHIC DESIGNER lettering. Excludes the pink frame, the name inside it, and the lower occupation label.","id":"obj_006","temporal":{"status":"found","start_s":7.25,"end_s":9.5,"reference_s":8.0,"evidence":"目标是 AMANDA BROWN 姓名框右上方白色斜体大写的“GRAPHIC DESIGNER”，不含粉色边框及其他文字。首个完整呈现帧为7.25秒，最后合格帧为9.25秒；前一帧7.00秒文字尚未完整揭示，后一帧9.50秒文字已开始消退、部分字母缺失。选择8.00秒作为关键帧，此时文字完整清晰且无遮挡。","start_frame":174,"end_frame":228,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[569.5,381.9,816.4,415.3],"positive_points":[[573.4,397.2],[612.5,401.4],[652.3,397.2],[698.4,386.1],[734.4,397.2],[808.6,408.3]],"negative_points":[[696.9,352.8],[854.7,400],[718.8,436.1],[680.5,500]],"evidence":"目标是姓名框右上方的白色斜体大写“GRAPHIC DESIGNER”。边界框仅覆盖该行完整文字；六个正点分布在不同字母的笔画上，负点位于上方及右侧背景、下方粉色框线和姓名文字上，均不属于目标。"}},{"name":"DIGITAL SPECIALIST label","description":"Small white italic uppercase text beneath the left end of the framed AMANDA BROWN name.","membership":"Includes only the DIGITAL SPECIALIST lettering. Excludes the pink frame, the main name, and the upper occupation label.","id":"obj_007","temporal":{"status":"found","start_s":7.25,"end_s":9.5,"reference_s":8.0,"evidence":"目标是 AMANDA BROWN 姓名框左下方的白色斜体大写“DIGITAL SPECIALIST”，不含粉色框或其他文字。首个完整呈现帧为7.25秒，最后合格帧为9.25秒；前邻7.00秒文字尚未揭示完整，后邻9.50秒字母开始淡出、分散。选择8.00秒作为关键帧，文字完整清晰且无遮挡。","start_frame":174,"end_frame":228,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[181.3,587.5,424.2,620.8],"positive_points":[[184.4,606.9],[216.4,590.3],[253.1,605.6],[307.8,591.7],[336.7,612.5],[414.8,597.2]],"negative_points":[[500,500],[507.8,563.9],[242.2,677.8],[644,401]],"evidence":"目标是主姓名粉色框下方左侧的白色斜体“DIGITAL SPECIALIST”。边界框仅覆盖整段文字；六个正点分布在两个单词的字母笔画上，负点位于主姓名、粉色边框、上方职业标签及下方蓝色背景。"}},{"name":"JOSHUA ANDERSON title","description":"Large uppercase name arranged on two lines and tilted upward toward the right. Its letters appear in solid white and white outline forms during assembly and departure.","membership":"Includes both lines of the name and their moving letterforms. Excludes the short pink accent line and the DATA SCIENTIST label underneath.","id":"obj_008","temporal":{"status":"found","start_s":10.75,"end_s":13.5,"reference_s":12.0,"evidence":"目标是向右上方倾斜、分两行显示的“JOSHUA ANDERSON”，不含粉色短线及下方职业标签。10.75秒两行姓名首次完整呈现，10.50秒第二行仅揭示了部分字母。13.25秒仍可见完整姓名，字母旋转及实心、描边变化不影响纳入；13.50秒第二行末尾字母已开始消失，故最后合格帧为13.25秒。选择12.00秒作为关键帧，姓名轮廓完整清晰、无遮挡。","start_frame":258,"end_frame":324,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[262.5,306.9,751.6,636.1],"positive_points":[[270.3,425],[434.4,416.7],[585.9,311.1],[298.4,523.6],[462.5,527.8],[749.2,419.4]],"negative_points":[[484.4,626.4],[312.5,677.8],[812.5,597.2],[234.4,347.2]],"evidence":"目标是画面中央向右上方倾斜的两行白色描边姓名“JOSHUA ANDERSON”。边界框紧贴两行姓名的可见范围；六个正点分布在两行字母的描边上。负点位于下方的 DATA SCIENTIST 标签、粉色短线，以及姓名外侧的蓝色背景，均不属于目标。"}},{"name":"DATA SCIENTIST label","description":"Smaller bold white uppercase occupation text beneath JOSHUA ANDERSON, following the title's upward-right tilt and positioned to the right of a short pink line.","membership":"Includes only the DATA SCIENTIST lettering throughout its reveal and exit. Excludes the adjacent pink line and the larger name.","id":"obj_009","temporal":{"status":"found","start_s":11.75,"end_s":12.5,"reference_s":12.0,"evidence":"目标是 JOSHUA ANDERSON 下方、短粉线右侧倾斜的白色粗体“DATA SCIENTIST”，仅计 lettering。首个完整呈现帧为11.75秒，最后合格帧为12.25秒；11.50秒末尾字母尚未揭示完整，12.50秒末尾字母已开始淡出消失。选择12.00秒作为关键帧，文字完整清晰且无遮挡。","start_frame":282,"end_frame":300,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[382.0,577.8,589.1,675.0],"positive_points":[[386.7,659.7],[445.3,631.9],[465.6,622.2],[504.7,619.4],[553.1,602.8],[582.0,593.1]],"negative_points":[[316.4,679.2],[535.9,516.7],[618.8,677.8],[453.1,725.0]],"evidence":"目标是大号姓名下方、粉色短线右侧向右上倾斜的白色“DATA SCIENTIST”。边界框紧贴整段职业文字；六个正点分布在两词的字母笔画上，负点位于粉色线、大号姓名及文字外围蓝色背景，均不包含在目标中。"}},{"name":"ASHLEY TAYLOR title","description":"Large uppercase name introduced across the center near the end of the sequence. Bright pink letters flip through mirrored and edge-on forms, with some becoming pale pink or white.","membership":"Includes the animated letterforms spelling ASHLEY TAYLOR, including their rotated and recolored states. Excludes the short pink underline and the blue background.","id":"obj_010","temporal":{"status":"found","start_s":14.5,"end_s":15.0,"reference_s":14.5,"evidence":"目标是画面中央的大写姓名 ASHLEY TAYLOR，包含翻转、镜像及变色的字母，不含下划线。14.25秒两侧字母仍在淡入，尚未完整显现；14.5秒全部字母已建立，虽有镜像翻转仍符合条件。最后合格帧为14.75秒，字母继续翻转并变为浅粉色，未见退出。区间延伸至视频结尾15.0秒，无后续采样帧。选择14.5秒作为关键帧，字母轮廓完整、对比清晰。","start_frame":348,"end_frame":360,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[167.2,398.6,845.3,511.1],"positive_points":[[198,475],[293,443],[392,414],[544,465],[655,472],[834,472]],"negative_points":[[109,451],[898,451],[500,319],[500,597]],"evidence":"图像中央的亮粉色大写姓名为处于翻转、镜像状态的“ASHLEY TAYLOR”。边界框紧贴整组可见字形，包含字符间距。六个正点分布在左右两部分的实际笔画上；四个负点位于标题左、右、上、下的蓝色背景，避开字符间隙和字形内部空洞。"}}]}
+{"video_id":162,"video_type":"visual design and media animation","targets":[{"name":"Woman at the computer","description":"Line-drawn woman with long pale hair, blue earrings, and a slate-gray off-the-shoulder top. Initially on the right, she later moves toward the center and raises both hands to her face.","membership":"Include the woman's visible hair, face, earrings, neck, torso, arms, hands, and clothing. Follow her silhouette as her pose changes. Exclude the computer, keyboard, and surrounding graphics.","id":"obj_001","temporal":{"status":"found","start_s":0.5,"end_s":12.0,"reference_s":4.5,"evidence":"通过长浅色头发、蓝色耳饰和灰蓝色露肩上衣识别该女子，并跟踪她移动及双手举到脸前的姿态变化。首个合格帧为0.50秒，头部、躯干和双臂已完整呈现；前一帧0.25秒仅露出上半身，仍在揭示中。最后合格帧为11.75秒，女子轮廓仍完整，未被圆形转场遮罩裁切；区间延续至视频末尾12.00秒，无后续采样帧。选择4.50秒作为关键帧，人物轮廓清楚，脸部无遮挡，便于与电脑及周围图形区分。","start_frame":12,"end_frame":288,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[567.7,275.9,749,691.7],"positive_points":[[655,306],[658,414],[657,513],[655,596],[615,658],[723,664]],"negative_points":[[488,488],[564,683],[297,582],[758,472]],"evidence":"目标是电脑右侧长浅色头发、戴蓝色耳饰、穿灰色露肩上衣的女子。框紧贴她从头顶到双臂底部的可见轮廓，包含头发、面部、颈肩、衣服及手臂。正点分布于头发、脸、肩部、上衣、手和右臂；负点位于电脑、键盘、左侧邮件图标及人物右侧背景，均排除在目标之外。"}},{"name":"Desktop monitor","description":"Pale desktop monitor viewed from behind, with rounded corners, a dark circular mark, and a tapered pedestal, positioned in front of and to the left of the woman.","membership":"Include the monitor housing, circular mark, outlines, and attached pedestal. Exclude the woman, separate keyboard, and background.","id":"obj_002","temporal":{"status":"found","start_s":0.75,"end_s":12.0,"reference_s":8.0,"evidence":"目标是女子左前方的浅色圆角显示器背面，带深色圆形标记及相连的锥形底座。0.75秒首次完整呈现；前一帧0.50秒显示器下部和底座尚未揭示完整。最后合格帧为11.75秒，显示器虽随画面缩小，但仍完整可见，因此区间延续至12.0秒视频结束，之后无采样帧。选择8.0秒作为关键帧，显示器轮廓和底座清晰，易与女子及独立键盘区分。","start_frame":18,"end_frame":288,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[191.7,550.9,392.7,860.2],"positive_points":[[213.5,588.0],[369.8,585.2],[220.3,745.4],[365.6,743.5],[292.7,633.3],[292.2,810.2]],"negative_points":[[474.0,689.8],[396.9,850.0],[168.8,672.2],[338.5,805.6]],"evidence":"目标是女子左前方、背面带深色圆形标记的浅色桌面显示器。边界框紧贴显示器圆角外壳、轮廓及相连的梯形底座；六个正点分布在外壳各部、圆形标记和底座上，四个负点位于女子、独立键盘及显示器外部背景。"}},{"name":"Keyboard","description":"Thin, pale keyboard shown edge-on as a long rounded strip in front of the woman beside the monitor pedestal.","membership":"Include the complete keyboard surface and outlined edge. Exclude the woman's hands and sleeves, monitor pedestal, and desk line.","id":"obj_003","temporal":{"status":"found","start_s":0.75,"end_s":12.0,"reference_s":11.0,"evidence":"目标是女子前方、显示器底座旁的浅色细长圆角键盘，包含其表面和描边。0.50秒时左段尚未完整显露；0.75秒首次完整可见，此后持续出现，最后合格帧为11.75秒，键盘未被退出遮罩裁切。区间到达视频结尾，没有后续采样帧。选择11.00秒作为关键帧，此时女子双手抬起，键盘轮廓清晰，与袖口、底座及桌线分离。","start_frame":18,"end_frame":288,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[337.5,842.6,466.1,859.3],"positive_points":[[343.8,848.1],[362.5,851.9],[384.9,848.1],[411.5,851.9],[435.9,848.1],[458.9,850.0]],"negative_points":[[294.3,810.2],[520.8,748.1],[416.7,870.4],[401.0,824.1]],"evidence":"目标是女子前方、显示器支架右侧的浅色细长键盘。边界框紧贴完整键盘表面及圆角轮廓；六个正点分布在键盘左右各段，负点分别位于显示器支架、女子衣袖、桌面线及键盘上方背景，均不属于键盘。"}},{"name":"Yellow slider panel","description":"Small rounded rectangular graphic containing four outlined vertical tracks with yellow segments. It first appears below the woman and travels around the computer toward the top.","membership":"Include the panel's surface, rounded boundary, dark offset edge, and all four tracks and yellow segments. Exclude the surrounding orbital curve and other panels.","id":"obj_004","temporal":{"status":"found","start_s":1.25,"end_s":6.0,"reference_s":4.5,"evidence":"目标是带深色偏移边缘的圆角小面板，内有四条竖直轨道及黄色滑块，从女子下方向电脑上方移动。首个合格帧为1.25秒，1.00秒仅有轨道曲线、尚无面板；最后合格帧为5.75秒，面板虽缩小但结构仍完整，6.00秒已消失。选择4.50秒作为关键帧，此时面板位于上方，轮廓和四条轨道清晰且无遮挡。","start_frame":30,"end_frame":144,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[477.6,110.2,569.8,215.7],"positive_points":[[503.1,166.7],[517.2,161.1],[531.3,155.6],[545.3,166.7],[487.0,125.0],[560.9,195.4]],"negative_points":[[458,152],[592,152],[525,251],[347,253]],"evidence":"目标是电脑上方含四条黄色滑块轨道的圆角面板。边界框紧贴面板表面、圆角边界和深色偏移边缘；正点分布在四条轨道及面板表面，负点位于外侧轨道曲线、周围背景及左侧其他面板上。"}},{"name":"Webpage panel","description":"Rounded rectangular webpage graphic with three small circles across its upper left, a horizontal divider, a gray content square, and short text-like lines. It appears below the woman and moves toward the upper left.","membership":"Include the entire panel, its boundary and dark offset edge, and all internal circles, lines, and the gray square. Exclude the orbital curve and neighboring graphics.","id":"obj_005","temporal":{"status":"found","start_s":2.0,"end_s":5.75,"reference_s":3.5,"evidence":"目标是带圆角边框、深色偏移边缘、左上三圆点、分隔线、灰色方块和短横线的网页面板，从女子下方向左上移动。2.0秒首次完整出现，前一帧1.75秒尚无该面板；5.5秒虽缩小但结构仍完整，后一帧5.75秒已消失。选择3.5秒为关键帧，此时面板清晰完整，且与其他图标易于区分。","start_frame":48,"end_frame":138,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[300.5,201,392.7,306.5],"positive_points":[[318.2,220.4],[326.6,265.7],[362,251],[368.2,279.6],[382.8,220.4],[302.6,277.8]],"negative_points":[[283.9,226.9],[406.3,259.3],[468.8,463],[523.4,162]],"evidence":"目标是画面左上方带三个小圆、分隔线、灰色方块和短横线的网页面板。边框紧贴整个圆角面板并包含左侧及底部深色偏移边缘；六个正点分布在面板内部元素、表面和边缘，四个负点位于面板外背景及独立的显示器、图表上，排除轨道曲线与邻近图形。"}},{"name":"Email panel","description":"Rounded rectangular graphic containing an outlined closed envelope. It enters below the woman and moves around to the left of the monitor.","membership":"Include the outer panel surface, rounded boundary, dark offset edge, and complete envelope symbol. Exclude the orbital curve and other panels.","id":"obj_006","temporal":{"status":"found","start_s":2.75,"end_s":5.5,"reference_s":4.5,"evidence":"目标是内含闭合信封轮廓、带深色偏移边缘的圆���矩形面板，从女子下方移至显示器左侧。2.75秒虽尺寸较小，但面板及信封结构已完整；此前2.50秒尚未出现。最后合格帧为5.25秒，5.50秒面板已消失。选择4.50秒作为关键帧，此时面板大小清晰、无遮挡，易与其他面板区分。","start_frame":66,"end_frame":132,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[252,532,344,637],"positive_points":[[258,566],[280,542],[333,550],[290,580],[317,609],[335,626]],"negative_points":[[233,583],[289,487],[405,512],[345,253]],"evidence":"目标是显示器左下方、内含闭合信封轮廓的圆角面板。边界框紧贴面板表面、圆角边界及深色偏移边缘，包含完整信封符号。正点分布于面板各部及信封区域；负点位于外部背景、显示器和左上方另一面板，排除轨道曲线及其他对象。"}},{"name":"Blue bar-chart panel","description":"Rounded rectangular chart graphic containing three ascending blue bars, a baseline, and short scale marks on the right. It appears below the woman and moves toward the lower left.","membership":"Include the complete panel surface and boundary, dark offset edge, bars, baseline, and scale marks. Exclude the orbital curve and surrounding subjects.","id":"obj_007","temporal":{"status":"found","start_s":3.5,"end_s":5.5,"reference_s":4.25,"evidence":"目标是含三根递增蓝色柱、底线及右侧刻度的圆角面板，包含深色偏移边缘。首个合格帧为3.50秒，面板虽小但结构已完整，随后放大并向左下移动；3.25秒尚未出现。最后合格帧为5.25秒，缩小后的面板仍完整，5.50秒已消失。选择4.25秒作为关键帧，面板清晰完整、无遮挡，易与周围图标区分。","start_frame":84,"end_frame":132,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[383.9,766.2,476.0,871.3],"positive_points":[[397.4,784.3],[463.0,787.0],[409.9,825.0],[423.9,818.5],[438.0,810.2],[427.1,867.6]],"negative_points":[[427.1,738.9],[504.7,828.7],[476.0,601.9],[295.0,586.1]],"evidence":"目标是画面下方含三根递增蓝色柱条的圆角图表面板。边界框覆盖完整面板表面、轮廓及深色偏移边缘；正点分布在面板表面、三根柱条和底部深色边缘，负点位于外部背景、右侧轨道曲线、显示器和信封面板上。"}},{"name":"Calendar","description":"Large calendar graphic presented to the woman's right, with a blue header, five pale binding tabs, and twelve date cells. The cells are progressively highlighted gray and then yellow.","membership":"Include the calendar's rectangular page, outer boundary, blue header, projecting binding tabs, and all date cells and their changing fills. Exclude the hourglass above it and the desk line beneath it.","id":"obj_008","temporal":{"status":"found","start_s":7.5,"end_s":11.75,"reference_s":8.5,"evidence":"目标是女子右侧的日历，包含蓝色页眉、五个浅色装订 tabs、十二个日期格及其变化的填色，不含上方沙漏和下方桌线。7.5 秒首次结构完整；前一帧 7.25 秒的装订片仍在逐个显现。最后合格帧为 11.5 秒，下一帧 11.75 秒日历右侧已被圆形退出遮罩裁切。选择 8.5 秒作为关键帧，日历完整清晰且无遮挡。","start_frame":180,"end_frame":282,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[671.9,361.1,870.8,670.4],"positive_points":[[702.6,383.3],[776,420.4],[710.4,558.3],[835,498.1],[793.2,619.4],[689.1,643.5]],"negative_points":[[770.8,240.7],[787,736.9],[903.1,518.5],[492.2,741.7]],"evidence":"目标是女子右侧带蓝色页眉、五个浅色装订 tabs 和十二个日期格的大日历。边界框紧贴日历页面外框及顶部突出的装订片；正点分布于装订片、页眉、日期格和页面，负点位于上方沙漏、下方桌线、右侧背景及女子身上，排除这些非目标内容。"}},{"name":"Hourglass","description":"Outlined hourglass above the calendar with blue end bars and yellow sand. It rotates and the sand shifts between its two chambers.","membership":"Include both end bars, the outlined glass body and its enclosed interior, and the yellow sand. Follow the hourglass's concave silhouette through rotation. Exclude the separate curved vibration marks around it.","id":"obj_009","temporal":{"status":"found","start_s":7.25,"end_s":11.75,"reference_s":8.5,"evidence":"目标是日历上方带蓝色端杆、玻璃轮廓和黄色沙粒的沙漏，不包括外围振动弧线。7.25秒首次完整出现，虽尺寸较小但结构已齐全；前一帧7.00秒尚未出现。11.50秒仍完整可见，11.75秒被圆形退出遮罩裁切，因此最后合格帧为11.50秒。选择8.50秒为关键帧，沙漏直立、轮廓清晰且无遮挡或振动线干扰。","start_frame":174,"end_frame":282,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[745.8,116.7,795.3,265.7],"positive_points":[[769.3,118.5],[769.3,142.6],[770.3,191.7],[769.8,214.8],[772.4,247.2],[768.2,263.9]],"negative_points":[[724.0,181.5],[814.6,181.5],[770.8,83.3],[770.8,417.6]],"evidence":"目标是日历上方带蓝色端条和黄色沙子的沙漏。边界框紧贴上下端条及玻璃轮廓；六个正点分布在端条、上腔内部、收窄处、下腔内部和黄沙上。负点位于沙漏两侧及上方的外部背景，以及下方独立的日历上，未标记沙漏内部。"}}]}
+{"video_id":163,"video_type":"visual design and media animation","targets":[{"name":"Board meeting countdown","description":"Bold green headline reading “6 Hours 'til Board Meeting,” centered on the light background.","membership":"Includes the complete revealed headline lettering and punctuation; excludes the background.","id":"obj_001","temporal":{"status":"found","start_s":0.5,"end_s":1.0,"reference_s":0.75,"evidence":"目标是浅色背景中央的绿色粗体标题“6 Hours 'til Board Meeting”。0.50秒首次完整显示全部文字及标点，虽仍有位置变化但字形已完整；最后合格帧为0.75秒。此前0.25秒仅清晰显示“6 Hours”，其余文字尚在显现；之后1.00秒“6 Hours”已消失，标题不再完整。选择0.75秒作为关键帧，因为整行文字清晰、齐整且无遮挡。","start_frame":12,"end_frame":24,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[141,448,860,543],"positive_points":[[148,493],[204,487],[431,481],[506,480],[649,491],[855,507]],"negative_points":[[100,500],[500,360],[500,640],[909,500]],"evidence":"图像中央可见绿色粗体标题“6 Hours 'til Board Meeting”。边界框紧贴完整标题，包含所有字母、数字及撇号；六个正点分布在标题不同部分的实际笔画上，四个负点位于标题上下及左右的外部浅色背景。"}},{"name":"Broken model headline","description":"Centered green text reading “Model's Broken,” replacing the countdown.","membership":"Includes both words and the apostrophe through their spacing and style changes; excludes the background.","id":"obj_002","temporal":{"status":"found","start_s":1.5,"end_s":2.25,"reference_s":1.75,"evidence":"目标为居中的绿色文字“Model's Broken”，包括两词及撇号。首个完整呈现帧为1.50秒，最后合格帧为2.00秒；2.00秒的字距和样式变化不影响其完整性。前一帧1.25秒仅显示“Model's”，尚未完成文字揭示；后一帧2.25秒已替换为“Runway?”。选择1.75秒作为关键帧，文字清晰完整、无遮挡，便于标注。","start_frame":36,"end_frame":54,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[294,453,706,528],"positive_points":[[299,492],[406,481],[488,517],[529,496],[620,489],[700,511]],"negative_points":[[240,490],[760,490],[500,380],[500,610]],"evidence":"图像中央可见绿色标题“Model's Broken”。边界框紧贴完整文字块，涵盖两个单词、撇号及字符间距；六个正点分布在不同字母的笔画上，四个负点位于标题上下左右的外部浅色背景。"}},{"name":"Unclear runway headline","description":"Centered green headline progressively revealing “Runway? Unclear.”","membership":"Includes the complete headline lettering and question mark; excludes the background.","id":"obj_003","temporal":{"status":"found","start_s":2.75,"end_s":3.5,"reference_s":3.0,"evidence":"目标为居中的绿色完整标题“Runway? Unclear”。首个符合条件的帧为2.75秒，末帧为3.25秒；此前2.50秒仅显示“Runway?”，文字尚未揭示完整，此后3.50秒已替换为“Everyone's”及手机图案。选择3.00秒作为关键帧，标题完整清晰、无遮挡，便于标注。","start_frame":66,"end_frame":84,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[234,448,769,552],"positive_points":[[241,490],[350,481],[495,461],[542,492],[658,490],[752,498]],"negative_points":[[179,492],[826,491],[488,367],[500,637]],"evidence":"图像中央的绿色标题为“Runway? Unclear”。边界框紧贴整段标题，覆盖全部字母及问号；六个正点分布在标题不同位置的字形笔画上，四个负点位于标题上、下、左、右的外部浅色背景。"}},{"name":"Incoming texts headline","description":"Green headline reading “Everyone's Texting You,” positioned above the emerging phone.","membership":"Includes the headline text only; excludes the phone and its notifications.","id":"obj_004","temporal":{"status":"found","start_s":3.75,"end_s":4.75,"reference_s":4.0,"evidence":"目标是手机上方绿色标题“Everyone's Texting You”，不包含手机或通知。3.75秒首次完整显示，4.50秒为最后一个符合条件的采样帧；此前3.50秒仅显示“Everyone's”，文字尚未揭示完整，此后4.75秒标题已消失，画面转为手机通知特写。选择4.00秒作为关键帧，标题完整清晰、无遮挡，便于标注。","start_frame":90,"end_frame":114,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[142,443,857,554],"positive_points":[[150,482],[327,477],[459,515],[513,488],[634,503],[843,502]],"negative_points":[[500,357],[290,661],[495,718],[914,486]],"evidence":"目标是手机上方绿色的“Everyone's Texting You”标题。边界框紧贴整行文字，包含字母下伸部分；六个正点分布在不同单词的字形笔画上，四个负点位于标题外的背景及下方手机区域，排除手机和通知。"}},{"name":"Smartphone illustration","description":"Upright phone with a rounded green outline, a white lock screen showing “12:35” and “Wed, 12 Feb,” and stacked green notification cards.","membership":"Includes the phone's outer outline and enclosed screen, status symbols, clock, date, and notification contents. Excludes the headline above it.","id":"obj_005","temporal":{"status":"found","start_s":3.75,"end_s":4.75,"reference_s":4.25,"evidence":"依据绿色圆角手机轮廓、白色锁屏上的“12:35”“Wed, 12 Feb”和绿色通知卡识别。3.75秒首次形成完整的底部刻意裁切构图，4.50秒为最后合格帧；此前3.50秒手机尚在从底部进入，此后4.75秒放大使手机顶部及外框被画面边界截断。选择4.25秒，轮廓、状态符号、时间和通知卡清晰，且与上方标题容易区分。","start_frame":90,"end_frame":114,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[387.6,591,602.9,1000],"positive_points":[[412,653],[493,713],[566,789],[430,888],[551,896],[502,981]],"negative_points":[[305,495],[755,483],[323,801],[662,867]],"evidence":"目标是标题下方的竖直手机插画，绿色圆角边框内可见时间、日期和通知卡片。框覆盖手机全部可见部分，底部止于图像边缘。正点分布在屏幕、时钟及通知卡片上；负点位于上方标题和手机两侧的外部背景。"}},{"name":"Placeholder notification card","description":"The first green notification card on the phone, containing a coral bell in a white circle and three white text-placeholder lines; it later appears enlarged above the HR message.","membership":"Includes this rounded card's surface, boundary, circular bell emblem, and placeholder lines. Excludes neighboring cards and the surrounding phone.","id":"obj_006","temporal":{"status":"found","start_s":3.75,"end_s":4.75,"reference_s":4.25,"evidence":"目标是手机上最先出现的绿色圆角通知卡，内含白色圆形底的珊瑚色铃铛和三条白色占位线。3.50秒尚未出现该卡，3.75秒已完整呈现；最后符合条件的是4.50秒，4.75秒放大转场时该卡开始向上淡出，表面与内容被渐隐。选择4.25秒作关键帧，此时目标完整清晰，且易与下方通知卡区分。","start_frame":90,"end_frame":114,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[401,839,589,945],"positive_points":[[429,893],[414,861],[474,879],[549,893],[574,866],[546,925]],"negative_points":[[498,791],[523,986],[639,891],[361,887]],"evidence":"目标是手机屏幕上第一张绿色圆角通知卡，内含白色圆形中的珊瑚色铃铛及三条白色占位线。边界框紧贴整张卡片；正点覆盖卡面、铃铛徽标和占位线，负点位于上方手机区域、下方相邻卡片及左右外部背景。"}},{"name":"HR notification","description":"Green rounded notification headed “HR,” with a coral bell and the message “Think we forgot to budget for the new hires,” followed by a yellow melting-face emoji.","membership":"Includes the entire card, its bell emblem, sender label, message, and emoji, including when the card fades or shrinks into the notification layout. Excludes adjacent notifications.","id":"obj_007","temporal":{"status":"found","start_s":4.75,"end_s":6.25,"reference_s":5.75,"evidence":"目标为带珊瑚色铃铛的绿色圆角 HR 通知卡，随后显示新员工预算消息和黄色融化脸表情。4.75 秒卡片边界已完整进入画面，内部文字仍在更新；前一帧 4.50 秒该卡尚未完整露出。最后符合条件的是 6.00 秒，6.25 秒卡片上移并开始淡出，因此按退出边界规则截断。选择 5.75 秒作为关键帧，此时卡片、发送者、完整消息和表情均清晰可见。","start_frame":114,"end_frame":150,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[216.4,396.3,786.8,720.4],"positive_points":[[303,556],[403,480],[488,549],[573,615],[721,628],[414,676]],"negative_points":[[504,222],[179,556],[851,574],[504,802]],"evidence":"目标是下方标有“HR”的绿色圆角通知卡，含珊瑚色铃铛、招聘预算消息及黄色融化脸表情。边界框紧贴整张卡片，正点分布于铃铛、标题、消息、表情和卡片底色；负点位于上方相邻通知及目标卡片外的背景。"}},{"name":"Investor notification","description":"Green rounded notification headed “Investor,” reading “Tried changing one number and the whole model exploded,” followed by a thumbs-up emoji.","membership":"Includes the complete card surface and boundary, bell emblem, sender label, message, and emoji through its movement and scaling. Excludes other notification cards.","id":"obj_008","temporal":{"status":"found","start_s":6.25,"end_s":11.0,"reference_s":6.75,"evidence":"目标为标题“Investor”的绿色圆角通知卡，正文提��修改一个数字导致整个模型崩溃，并带点赞表情。6.25秒卡片表面和边界已完整建立，随后正文与表情继续更新；前一帧6.00秒尚无该卡。卡片上移后呈堆叠渐淡样式，之后随通知阵列缩小，仍可连续追踪至10.75秒；11.00秒已切换为“You Had”文字画面，通知卡消失。选择6.75秒作为关键帧，此时卡片大而清晰，正文、铃铛和表情均完整可见。","start_frame":150,"end_frame":264,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[216.4,392.6,786.8,716.7],"positive_points":[[253,439],[302,553],[438,485],[521,552],[725,616],[576,681]],"negative_points":[[504,242],[161,553],[833,564],[508,808]],"evidence":"目标是下方标题为“Investor”的绿色圆角通知卡，正文末尾带点赞表情。边界框覆盖完整卡面、圆角边界、铃铛图标、标题、正文和表情。正点分布于卡面及上述内容，负点位于上方另一张通知卡和目标左右、下方的外部背景。"}},{"name":"Co-founder notification","description":"Green rounded notification headed “Co-founder,” reading “Why does margin go negative in June lol.” It first appears beneath the fading investor message.","membership":"Includes the complete card, bell emblem, sender label, and message through its movement and scaling. Excludes neighboring notifications.","id":"obj_009","temporal":{"status":"found","start_s":7.75,"end_s":11.0,"reference_s":8.25,"evidence":"目标是投资人消息下方带铃铛图标、标题为“Co-founder”的绿色圆角通知卡。7.75秒卡片边界与主体已完整建立，内部消息随后补齐；7.50秒尚无该卡。它随通知阵列移动、缩放，最后一个合格帧为10.75秒，11.00秒已被新文字场景替换。选择8.25秒作为关键帧，此时完整消息清晰可读，卡片无遮挡，易与上方通知区分。","start_frame":186,"end_frame":264,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[216.4,392.6,786.8,716.7],"positive_points":[[301.5,553.7],[448.5,484.3],[592.4,555.6],[425.4,609.3],[258.4,657.4],[742.6,648.1]],"negative_points":[[514.7,203.7],[499,801.9],[157.6,555.6],[843.5,555.6]],"evidence":"目标是下方标题为“Co-founder”、正文为“Why does margin go negative in June lol.”的绿色圆角通知卡。边界框覆盖完整卡片，包括铃铛徽章、标题和正文。正点分布在徽章、文字及卡片表面；负点位于上方淡出的通知和目标左右、下方的外部背景。"}},{"name":"Startup finance headline","description":"Large white text reading “This Is Startup Finance,” revealed over the tiled notification layout.","membership":"Includes only the headline lettering; excludes the notification cards and the translucent shading behind the words.","id":"obj_010","temporal":{"status":"found","start_s":9.75,"end_s":11.0,"reference_s":10.0,"evidence":"目标是通知卡片平铺背景上的白色大标题“This Is Startup Finance”，仅包含文字。9.75秒首次完整显示，10.75秒为最后一个符合条件的采样帧；此前9.50秒仅显示“This Is Startup”，文字揭示尚未完成，之后11.00秒已切换为“You Had”，原标题消失。选择10.00秒作为关键帧，标题完整清晰、尺寸较大且无遮挡。","start_frame":234,"end_frame":264,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[175.4,451.9,825.6,550],"positive_points":[[189.1,463],[317.2,488.9],[381.3,464.8],[581.9,500],[616.6,498.1],[815.1,520.4]],"negative_points":[[502.1,400],[120.8,500],[503.2,594.4],[884.5,492.6]],"evidence":"目标是画面中央的大号白色标题“This Is Startup Finance”。边界框紧贴整段标题，包含字母的上缘及下伸部分；六个正点分布在标题各部分的白色字形笔画上，四个负点位于标题外侧的通知卡片或半透明背景区域，不包含在标题文字中。"}},{"name":"Vision headline","description":"Centered green text reading “You Had a Vision,” with “Vision” italicized.","membership":"Includes the complete text block; excludes the light background.","id":"obj_011","temporal":{"status":"found","start_s":11.25,"end_s":12.0,"reference_s":11.5,"evidence":"目标为居中的绿色完整文字“You Had a Vision”，其中“Vision”随后呈斜体。首个合格帧为11.25秒，最后合格帧为11.75秒；前一帧11.00秒仅显示“You Had”，文字尚未揭示完整，后一帧12.00秒已移除“You”，开始退出。选择11.50秒作为关键帧，完整标题清晰可见，且“Vision”的斜体特征明确。","start_frame":270,"end_frame":288,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[279,454,718,528],"positive_points":[[295,489],[362,504],[394,489],[484,489],[569,491],[712,496]],"negative_points":[[500,370],[500,610],[220,493],[777,493]],"evidence":"图中居中的绿色标题为“You Had a Vision”，其中“Vision”为斜体。边界框紧贴完整文字块，包含所有字母及字间空隙；六个正点分布在各部分的字母笔画上，四个负点���于标题上、下、左、右的浅色背景中。"}},{"name":"Wrestling headline","description":"Green text progressively revealing “Now You're Wrestling With” across the middle of the frame.","membership":"Includes all revealed words and punctuation in this headline; excludes subsequent spreadsheet graphics.","id":"obj_012","temporal":{"status":"found","start_s":13.0,"end_s":13.5,"reference_s":13.0,"evidence":"目标是画面中央绿色标题“Now You're Wrestling With”。13.00秒首次完整显示全部文字，13.25秒仍完整可见，为最后合格帧。此前12.75秒仅显示“Now You're Wrestling”，尚未完成揭示；此后13.50秒标题消失，替换为电子表格图形。选择13.00秒作为关键帧，文字完整清晰且无遮挡。","start_frame":312,"end_frame":324,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[158,455,826,543],"positive_points":[[163,491],[299,470],[397,500],[463,472],[621,494],[820,507]],"negative_points":[[105,500],[891,500],[500,350],[500,650]],"evidence":"图像中央的绿色标题为“Now You're Wrestling With”。边界框紧贴整行文字，包含所有单词、撇号及字母下伸部分；六个正点分布在各段文字的实际笔画上，四个负点位于标题左、右、上、下方的外部空白背景。"}},{"name":"Financial spreadsheet illustration","description":"Stylized spreadsheet panel with a dark green title bar, three white window dots, mint toolbar blocks, a cell grid, yellow problem cells, coral warning triangles, and an inset rising bar chart.","membership":"Includes the panel's outer boundary and enclosed surface, toolbar, grid, highlighted cells, warning symbols, and embedded chart. Excludes independent captions and the large application and stopwatch graphics later placed over it.","id":"obj_013","temporal":{"status":"found","start_s":13.5,"end_s":14.75,"reference_s":14.5,"evidence":"目标是含深绿标题栏、三个白点、薄荷色工具栏、网格、警告单元格及内嵌柱状图的电子表格面板，不含独立字幕。13.50秒面板主体结构和布局已建立，后续高亮与警告符号的变化不影响起点；此前13.25秒只有文字。最后合格帧为14.50秒，14.75秒面板上移，标题栏开始被画面上边界裁切，因此结束。选择14.50秒作为关键帧，面板结构清楚，警告符号和图表易于辨认。","start_frame":324,"end_frame":354,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[132,81,868,830],"positive_points":[[465,124],[199,229],[395,428],[325,570],[789,589],[188,745]],"negative_points":[[65,490],[926,362],[490,902],[544,724]],"evidence":"依据深绿色标题栏、三个白色圆点、薄荷色工具栏、表格网格及右侧柱状图识别该面板。框覆盖面板外缘至底部淡出区域；正点分布在标题栏、工具栏、黄色单元格、网格和图表内。负点位于面板外背景及独立的“Financial Models”标题笔画上，排除该标题。"}},{"name":"Rising bar chart","description":"White rectangular chart inset on the right side of the spreadsheet, containing thin axes and five pale bars increasing in height.","membership":"Includes the chart panel's boundary, enclosed white plotting area, axes, and bars; excludes the surrounding spreadsheet cells and overlaid captions.","id":"obj_014","temporal":{"status":"found","start_s":13.5,"end_s":16.0,"reference_s":15.5,"evidence":"目标是电子表格右侧的白色矩形图表，包含细坐标轴及五根逐渐升高的浅色柱。13.50秒首次出现完整图表结构，前一帧13.25秒只有文字；15.75秒为最后合格帧，16.00秒图表随表格开始淡出。选择15.50秒作为关键帧，图表边界、坐标轴和五根柱均清楚可辨，且没有字幕遮挡。","start_frame":324,"end_frame":384,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[570.4,155.6,855,531.5],"positive_points":[[587,191],[833,196],[596,506],[837,494],[672,426],[794,320]],"negative_points":[[535,280],[737,113],[730,626],[546,741]],"evidence":"目标是电子表格右侧的白色矩形图表，内有细坐标轴及五根逐渐升高的浅色柱。边界框紧贴整个图表面板，包含边框、白色绘图区、坐标轴和柱形。正点分布在面板内部及柱形上；负点位于左侧、上方和下方的表格区域，以及底部绿色字幕上。"}},{"name":"Financial models caption","description":"Bold green text reading “Financial Models,” appearing across the lower portion of the spreadsheet illustration.","membership":"Includes the caption lettering only; excludes the spreadsheet, chart, and warning symbols behind it.","id":"obj_015","temporal":{"status":"found","start_s":14.0,"end_s":14.75,"reference_s":14.25,"evidence":"目标是电子表格下部的粗体绿色“Financial Models”字幕，仅包含文字。14.00秒首次完整显示，14.50秒为最后一个符合条件的采样帧；此前13.75秒仅显示“Financial”，文字揭示尚未完成，此后14.75秒字幕已消失。选择14.25秒作为关键帧，文字完整清晰，便于与背景表格和警告图标区分。","start_frame":336,"end_frame":354,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[272,694,732,771],"positive_points":[[278,739],[367,759],[455,702],[506,741],[542,741],[718,722]],"negative_points":[[217,498],[795,596],[495,830],[401,557]],"evidence":"目标是电子表格插图下方的绿色粗体“Financial Models”标题。边界框紧贴整段文字，包含字母顶部圆点和全部末端笔画；六个正点分布在两词的实际字形上，负点位于警告符号、图表柱形、表格背景及文字下方空白处。"}},{"name":"Answers caption","description":"Green text reading “You Want Answers,” positioned beneath the spreadsheet as additional warning cells appear.","membership":"Includes the complete caption lettering through its weight and position changes; excludes the spreadsheet above it.","id":"obj_016","temporal":{"status":"found","start_s":15.25,"end_s":16.0,"reference_s":15.5,"evidence":"目标是电子表格下方的绿色完整文字“You Want Answers”，不包括表格。首个合格帧为15.25秒，最后合格帧为15.75秒，期间字重与位置变化仍属同一字幕。前一帧15.00秒仅显示“You Want”，文字尚未揭示完整；后一帧16.00秒字幕已消失。选择15.50秒作为关键帧，完整字形清晰且无遮挡。","start_frame":366,"end_frame":384,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[237.4,701.9,764.7,777.8],"positive_points":[[252.1,751.9],[326.7,753.7],[368.7,744.4],[484.2,757.4],[530.5,738.9],[754.2,761.1]],"negative_points":[[322.5,592.6],[708.0,385.2],[193.3,740.7],[499.0,857.4]],"evidence":"目标是电子表格下方的绿色“You Want Answers”完整标题。边界框紧贴整段文字；六个正点分布在三个单词的字母笔画上，负点位于上方表格、图表及标题左侧和下方的外部背景，排除电子表格。"}},{"name":"Microsoft Excel graphic","description":"Large layered green Microsoft Excel emblem with a white “X,” appearing on the left in front of the faded spreadsheet.","membership":"Includes the front X tile and the overlapping green spreadsheet-logo layers, following their combined outline. Excludes adjacent icons, shadows, and background spreadsheet.","id":"obj_017","temporal":{"status":"found","start_s":16.5,"end_s":18.25,"reference_s":17.5,"evidence":"目标是淡化电子表格前方左侧的绿色 Excel 徽标，包括白色“X”前片及后方叠层。首个合格帧为16.50秒，全部叠层已完整入画；此前16.25秒仍被画面上边界裁切。最后合格帧为18.00秒，18.25秒已切换为圆角框，徽标消失。选择17.50秒作关键帧，徽标完整清晰，与相邻图标易于区分。","start_frame":396,"end_frame":438,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[94.5,333.3,258.4,603.7],"positive_points":[[114,417],[133,463],[165,519],[161,356],[231,380],[222,565]],"negative_points":[[75,500],[201,280],[324,445],[193,750]],"evidence":"目标是图像左侧带白色“X”的绿色 Excel 徽标。边界框紧贴前方 X 方块与后方重叠绿色图层的联合轮廓，不含阴影。正点分布在 X 方块及后方图层的上部、右侧和下部；负点位于左侧、上方、下方背景及右邻的 Google 表格图标上。"}},{"name":"Google Sheets graphic","description":"Large green document-shaped Google Sheets emblem with a folded upper corner and a white table symbol, appearing beside the Excel emblem.","membership":"Includes the full document silhouette, folded corner, and internal table symbol. Excludes neighboring graphics and the background.","id":"obj_018","temporal":{"status":"found","start_s":16.75,"end_s":18.25,"reference_s":17.5,"evidence":"目标是 Excel 图标旁的绿色 Google Sheets 文档徽标，具有折角和白色表格符号。首个合格帧为16.75秒，完整轮廓已进入画面；此前16.50秒顶部仍被画面边界裁切。最后合格帧为18.00秒，18.25秒已切换为另一画面，目标消失。选择17.50秒作为关键帧，徽标完整清晰，与相邻图形易于区分。","start_frame":402,"end_frame":438,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[265,281,406,615],"positive_points":[[299,328],[368,354],[383,428],[331,491],[291,537],[369,574]],"negative_points":[[210,463],[461,457],[320,224],[332,748]],"evidence":"目标是 Excel 右侧的绿色 Google Sheets 文档图标。边界框紧贴完整文档轮廓，包含右上折角和内部白色表格符号。六个正点分布在绿色主体、折角及表格符号上；负点位于相邻 Excel、秒表和图标外的上下背景。"}},{"name":"Stopwatch illustration","description":"Large stopwatch with a dark green rim, white dial, green tick marks, coral hand, top loop, and side buttons, positioned between the Sheets and Slack graphics.","membership":"Includes the complete stopwatch silhouette, the enclosed area of its top loop, buttons, dial, ticks, and moving hand. Excludes adjacent application graphics and shadows.","id":"obj_019","temporal":{"status":"found","start_s":17.0,"end_s":18.25,"reference_s":17.5,"evidence":"目标是位于 Sheets 与 Slack 图标之间、带深绿色外圈和刻度、白色表盘及珊瑚色指针的秒表，包含顶部圆环和侧按钮。17.00 秒首次完整呈现，18.00 秒为最后合格帧；此前的 16.75 秒顶部仍被画面边界裁切，之后的 18.25 秒已切换画面，秒表消失。选择 17.50 秒作为关键帧，秒表轮廓完整清晰，与相邻图标易于区分。","start_frame":408,"end_frame":438,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[417,193,614,622],"positive_points":[[532,236],[455,304],[589,330],[460,478],[512,444],[520,603]],"negative_points":[[333,449],[733,455],[619,191],[515,788]],"evidence":"目标是位于 Sheets 与 Slack 图形之间的秒表。边界框紧贴顶部圆环、两侧按钮及完整圆形表身，包含白色表盘和指针，不含阴影。正点分布在圆环内部、按钮、表盘、珊瑚色指针和底部边框；负点位于相邻应用图形及秒表外部背景。"}},{"name":"Workarounds caption","description":"Bold green text progressively revealing “But You're Buried In Workarounds,” beneath the application and stopwatch graphics.","membership":"Includes the entire caption text only; excludes the graphics above it and the faded spreadsheet behind it.","id":"obj_020","temporal":{"status":"found","start_s":16.75,"end_s":18.25,"reference_s":17.5,"evidence":"目标是应用图标和秒表下方的整行粗体绿色字幕“But You're Buried In Workarounds”。16.75秒首次完整显示，18.00秒为最后一个完整可见帧；此前16.50秒仅揭示“But You're Buried”，之后18.25秒字幕消失，画面切换为空白圆角框。选择17.50秒作为关键帧，字幕清晰完整，便于与上方图形及背景区分。","start_frame":402,"end_frame":438,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[34,611,951,688],"positive_points":[[39,648],[158,663],[336,648],[529,652],[602,659],[940,678]],"negative_points":[[338,467],[520,443],[750,431],[481,787]],"evidence":"目标是图形下方完整的绿色粗体字幕“But You're Buried In Workarounds”。边界框紧贴整行文字；六个正点分布在不同单词的字形笔画上，负点位于上方应用图标、秒表及下方空白背景，排除图形和淡化的表格。"}},{"name":"Slack application tile","description":"White rounded-square tile containing Slack's multicolored logo, positioned to the right of the stopwatch.","membership":"Includes the tile's complete surface and boundary and the colored logo inside it. Excludes the yellow bell above its upper-left edge and the surrounding shadow.","id":"obj_021","temporal":{"status":"found","start_s":16.75,"end_s":18.25,"reference_s":17.0,"evidence":"目标是秒表右侧带 Slack 彩色标志的白色圆角方形应用图块，不包括黄色铃铛和阴影。16.75 秒首次完整呈现表面、边界及标志，18.00 秒仍完整可见；此前的16.50秒尚未出现该图块，之后的18.25秒已切换为另一画面，图块消失。选择17.00秒作为关键帧，此时图块清晰且没有黄色铃铛遮挡。","start_frame":402,"end_frame":438,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[626,126,805,443],"positive_points":[[646,170],[782,167],[647,396],[782,402],[730,226],[703,328]],"negative_points":[[575,372],[714,76],[846,304],[717,507]],"evidence":"目标是秒表右侧、带有 Slack 多色标志的白色圆角方形应用磁贴。边界框紧贴磁贴完整表面及边界，不含外围阴影。正点分布在磁贴四周白色表面和内部彩色标志上；负点位于左侧秒表及磁贴上方、右侧、下方的外部背景。"}},{"name":"Yellow notification bell","description":"Yellow bell appearing above the upper-left corner of the Slack tile, visually signaling another notification.","membership":"Includes the bell silhouette, top nub, and clapper. Excludes the Slack tile, stopwatch, and background.","id":"obj_022","temporal":{"status":"found","start_s":17.25,"end_s":18.25,"reference_s":17.5,"evidence":"目标是 Slack 图标左上方的黄色通知铃铛，包含完整铃身、顶部小突起和铃舌。首个合格帧为17.25秒，最后合格帧为18.00秒；此前17.00秒尚无铃铛，此后18.25秒已切换为圆角框画面，铃铛消失。选择17.50秒作为关键帧，铃铛轮廓清楚、无遮挡，易与旁边的 Slack 图标及秒表区分。","start_frame":414,"end_frame":438,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[631.3,220.4,701.7,368.5],"positive_points":[[658.6,228.7],[661.8,263],[644,305.6],[681.7,294.4],[691.2,329.6],[667,353.7]],"negative_points":[[753.2,398.1],[579.8,463],[616.6,222.2],[718.5,246.3]],"evidence":"目标是 Slack 图块左上方的黄色通知铃铛。边界框紧贴铃铛轮廓，包含顶部小凸起、铃身、下沿和铃舌；六个正点分布于这些黄色部位。负点位于 Slack 图标、秒表及铃铛外侧背景，排除相邻对象。"}},{"name":"Consultants panel","description":"Wide white rounded rectangle with a thin green border that appears empty before revealing the centered green label “Consultants.”","membership":"Includes the rounded panel's border, enclosed white surface, and label. Excludes the separate speech bubble above it.","id":"obj_023","temporal":{"status":"found","start_s":18.25,"end_s":19.0,"reference_s":18.5,"evidence":"目标是细绿边框、白色内部的横向圆角面板，随后显示居中的绿色“Consultants”标签，不包括上方独立气泡。18.25秒面板边界和表面已完整建立，虽尚无文字仍符合容器规则；前一帧18.0秒仍是工具图标场景，没有该面板。最后合格帧为18.75秒，面板完整保留，直至视频结束，无后续采样帧。选择18.5秒为关键帧，标签清晰且尚无上方气泡干扰。","start_frame":438,"end_frame":456,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[232,362,769,593],"positive_points":[[274,437],[715,444],[292,543],[699,547],[416,507],[600,508]],"negative_points":[[500,272],[184,493],[826,496],[496,678]],"evidence":"目标是图中央带细绿色边框、白色内面的圆角矩形，中央显示绿色“Consultants”标签。边界框紧贴面板外缘，包含边框、白色表面及文字；正点分布在面板内部表面和文字上，负点位于面板上下左右的外部背景。"}},{"name":"Too Slow speech bubble","description":"Dark green speech bubble above the right side of the Consultants panel, containing the white text “Too Slow.”","membership":"Includes the bubble's rounded body, lower-left pointed tail, enclosed surface, and text, following its actual outline. Excludes the Consultants panel.","id":"obj_024","temporal":{"status":"found","start_s":18.75,"end_s":19.0,"reference_s":18.75,"evidence":"18.75秒时，Consultants面板右上方出现完整的深绿色气泡，圆角主体、左下尖尾及白色“Too Slow”文字均清晰可见。首个及最后一个合格采样帧均为18.75秒；前一帧18.50秒只有Consultants面板，尚无该气泡。目标持续至视频末尾，无后续采样帧可检查。选择18.75秒作为关键帧，因为轮廓完整、文字清晰且无遮挡。","start_frame":450,"end_frame":456,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[562,174,882,352],"positive_points":[[584,213],[852,219],[719,259],[830,307],[617,306],[570,333]],"negative_points":[[494,500],[517,259],[726,115],[921,274]],"evidence":"目标是 Consultants 面板右上方、包含白色“Too Slow”文字的深绿色气泡。边界框紧贴圆角主体及左下尖尾；正点分布于气泡表面、文字区域和尖尾，负点位于外部背景及被排除的 Consultants 面板上。"}}]}
+{"video_id":164,"video_type":"visual design and media animation","targets":[{"name":"United Kingdom map","description":"Purple-to-magenta silhouette of the United Kingdom, initially centered and accompanied by yellow energy-equipment illustrations and small circular location markers.","membership":"Includes the land silhouettes, detached islands, and location markers. Follows the coastlines and gaps between land areas. Excludes the independently presented equipment illustrations and surrounding decorations.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标是居中的紫色至洋红色英国陆地轮廓，含离岛和圆形位置标记，不含黄色设备插图。首个合格帧为0.00秒，轮廓已完整呈现；最后合格帧为0.25秒。区间从视频起点开始，无更早采样帧；紧邻的0.50秒已切换为彩色管线路径画面，地图不再出现。选择0.00秒作为关键帧，因为地图轮廓、离岛及标记清晰可辨。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[353.1,55.6,637.5,948.1],"positive_points":[[608,86],[438,203],[391,514],[477,359],[541,630],[563.5,799]],"negative_points":[[531,234],[628,440],[474,594],[467,823]],"evidence":"目标是画面中央紫色至洋红色的英国地图。边界框覆盖可见本土、北爱尔兰、离岸岛屿及圆形位置标记；正点分布在岛屿、本土南北区域和位置标记上，负点位于独立的黄色能源设备插图上，不包含这些设备或周围装饰。"}},{"name":"Electricity facility illustration","description":"Yellow industrial building over northern Scotland, with a tall section bearing a lightning-bolt-and-plug symbol and a lower section with orange windows.","membership":"Includes the complete building illustration, its rooftop pipe, windows, door, and electrical emblem. Excludes the map behind it.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标是苏格兰北部上方的黄色工业建筑，高塔带闪电与插头徽标，低楼带橙色窗户；屋顶管道、门及完整建筑轮廓均已呈现。首个合格帧为0.00秒，最后为0.25秒；区间起点即视频开头，无更早帧。紧邻的0.50秒帧已切换为彩色路径动画，目标消失。选择0.00秒作为关键帧，建筑完整清晰且无遮挡。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[500,146.3,636.5,287],"positive_points":[[525.5,160.2],[505.7,235.2],[533.3,221.3],[576,219.4],[616.7,259.3],[584.4,186.1]],"negative_points":[[483.9,228.7],[544.3,331.5],[651.6,227.8],[629.7,441.7]],"evidence":"目标是苏格兰北部地图上方的黄色电力设施，高塔带闪电与插头标志，低楼带橙色窗户。框覆盖完整建筑、屋顶管道、门窗和电气徽标。正点分布在塔顶、侧墙、徽标、窗户、门和屋顶管道；负点位于紫色地图、右侧白色背景及下方另一设备上。"}},{"name":"Pump and pipe assembly","description":"Yellow and orange machinery initially to the right of the northern half of the map, comprising a round pump housing, a rectangular motor, and an overhead pipe with a valve.","membership":"Includes the connected machinery, pipe, valve, and supporting feet. Excludes the surrounding white space and map.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标是地图北半部右侧的黄橙色机械组合，可见圆形泵壳、矩形电机、上方带阀门的管道及支脚。首个合格帧为0.00秒，最后为0.25秒，两帧中组件均完整可见；0.50秒已切换为彩色交错路径画面，目标消失。区间始于视频开头，无更早采样帧。选择0.00秒作为关键帧，机械轮廓清晰、无遮挡，易与地图及其他设备区分。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[563.5,372.2,663.5,481.5],"positive_points":[[573.4,437.0],[583.3,466.7],[627.1,445.4],[637.5,474.1],[613.5,383.3],[654.2,383.3]],"negative_points":[[536.5,492.6],[682.3,435.2],[591.1,250.0],[619.8,523.1]],"evidence":"目标是地图北半部右侧的黄橙色泵管组件。边框紧贴圆形泵壳、矩形电机、上方管道与阀门及底部支脚；正点分布在这些机械部件上，负点位于左侧紫色地图、上方独立设备及组件外围白色背景。"}},{"name":"Refrigeration facility on map","description":"Yellow building across the western middle of the map, with an orange roof, a thermometer at the left, and a tall snowflake-marked section at the right.","membership":"Includes the building, thermometer, snowflake-bearing section, and small plant shapes at its base. Excludes the map and nearby decorative marks.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标是地图西侧中部的黄色制冷建筑，包含橙色屋顶、左侧温度计、右侧带雪花的高塔及底部植物。首个合格帧为0.00秒，最后为0.25秒，所有指定组成部分均完整可见；0.50秒已切换为彩色路径画面，目标消失。区间起于视频开头，无更早帧。选择0.00秒作为关键帧，目标结构清晰且无遮挡。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[375,543.5,499.5,651.9],"positive_points":[[395.8,625.9],[429.7,588.9],[389.1,588],[484.4,581.5],[483.3,629.6],[469.3,645.4]],"negative_points":[[526,648],[410,519],[351.6,608.3],[468.8,801.9]],"evidence":"目标是地图中部偏西的黄色制冷设施，具有橙色屋顶、左侧温度计及右侧雪花高塔。边框覆盖建筑、温度计、高塔和底部植物。正点分布于这些组成部分；负点位于周围紫色地图、左侧白色背景及下方独立开关图标上。"}},{"name":"Paired electrical switches","description":"Two cream and yellow electrical switch units shown together over the southwestern part of the map, each with an orange toggle.","membership":"Includes both adjacent switch housings, their toggles, and mounting details as one compact equipment illustration. Excludes the map behind them.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标是地图西南部并排的两个奶油色、黄色开关单元，均带橙色拨片及安装细节。首个合格帧为0.00秒，最后为0.25秒，两帧中整组结构均完整可见；0.50秒已切换为彩色路径画面，开关不再出现。区间始于视频开头，无更早采样帧。选择0.00秒作为关键帧，两个开关清晰完整、无遮挡，便于标注。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[434.9,764.8,504.7,878.7],"positive_points":[[457.8,779.6],[467.7,828.7],[457.3,863.0],[489.6,777.8],[495.3,825.0],[488.5,862.0]],"negative_points":[[420.0,783.0],[515.0,823.0],[468.0,905.0],[546.0,874.0]],"evidence":"目标是地图西南部并排的两个奶油黄电气开关，均带橙色拨杆。边界框紧贴两套外壳、拨杆及安装细节；六个正点分布在两侧开关的顶部、拨杆和底部，四个负点位于周围紫色地图上，排除地图背景。"}},{"name":"Electric charging station","description":"Cream and yellow pedestal at the lower right of the map, with an orange display, lightning emblem, and attached charging cable.","membership":"Includes the pedestal, base, display, controls, and attached cable and connector. Excludes the map and surrounding decorative ribbon.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标是地图右下方的奶油黄充电桩，具有橙色显示屏、闪电标志、控制按钮、底座及连接的充电线和接头。首个合格帧为0.00秒，最后合格帧为0.25秒，两帧中目标均完整可见；0.50秒画面切换为彩色路径，充电桩消失。区间从视频起点开始，没有更早的相邻帧。选择0.00秒作为关键帧，因为充电桩结构清晰、无遮挡。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[581.8,764,665.1,897.2],"positive_points":[[636,784],[615,806],[634,816],[632,841],[650,886],[584,852]],"negative_points":[[585,810],[768,935],[677,806],[490,812]],"evidence":"目标是地图右下方带橙色显示屏、闪电标志和充电线的奶油黄色充电桩。边界框包含桩体、底座、显示屏、控制区及左侧线缆和接头。正点分布在这些部件上；负点位于紫色地图、右侧装饰带、外部白色背景及左侧其他电气设备上。"}},{"name":"Circular G emblem","description":"White circular badge with a dark rim and a large purple-magenta “G,” first presented beside the refrigeration building and later enlarged at the center.","membership":"Includes the disk, outer rim, and enclosed G graphic throughout its movement and enlargement. Excludes incoming colored ribbons, surrounding sparkle and ring effects, and the white arrow that subsequently emerges.","id":"obj_007","temporal":{"status":"found","start_s":5.0,"end_s":11.0,"reference_s":8.25,"evidence":"目标为深色外缘、白色圆盘及紫红色G组成的徽章，先在制冷建筑旁出现，随后连续放大并移至中央。首个合格帧为5.00秒，4.75秒仍只有彩色路径与箭头；最后合格帧为10.75秒，徽章仍完整可见，内部高光及伸出的白箭头不影响其身份，11.00秒已被开关画面替换。选择8.25秒作为关键帧，此时徽章大而清晰，无明显遮挡，周围装饰最少。","start_frame":120,"end_frame":264,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[389,289,627,711],"positive_points":[[505,329],[417,487],[459,516],[550,560],[505,673],[622,500]],"negative_points":[[346,502],[670,505],[507,230],[507,776]],"evidence":"图像中央的白色圆盘带深色外缘，内部为紫红色大写G，与目标一致。边界框紧贴完整圆徽，包含圆盘、外缘和G图形；正点分布在这些组成部分上，负点位于圆徽四周的外部紫色背景，避开周围效果。"}},{"name":"Refrigeration facility beside G emblem","description":"Yellow refrigeration building presented again on its own to the right of the circular G badge, with an orange pitched roof and a tall cream section displaying a snowflake.","membership":"Includes the complete building silhouette, roof, window, snowflake-marked section, and small plants at its base. Excludes the G badge, background linework, and sparkle effects.","id":"obj_008","temporal":{"status":"found","start_s":5.0,"end_s":8.0,"reference_s":7.0,"evidence":"目标是圆形G徽章右侧的黄色制冷建筑，包含橙色坡屋顶、窗户、带雪花的奶油色高塔及底部植物。5.00秒首次完整呈现，至7.75秒仍完整可见；前一帧4.75秒是管线路径画面，后一帧8.00秒仅保留放大的G徽章，建筑已消失。选择7.00秒作为关键帧，建筑轮廓清楚、无遮挡，且无闪光装饰干扰。","start_frame":120,"end_frame":192,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[597.9,388.9,830.2,592.6],"positive_points":[[636,540],[699,475],[708,565],[766,434],[802,458],[776,578]],"negative_points":[[502,463],[715,372],[724,655],[868,502]],"evidence":"目标是圆形G徽章右侧的黄色冷藏设施。边框紧贴完整建筑轮廓，包含橙色坡屋顶、窗户、带雪花的高塔及底部植物。正点分布于这些建筑组成部分；负点位于G徽章及建筑上方、下方和右侧的紫色背景，排除徽章和背景线条。"}},{"name":"White curved action arrow","description":"Thick white arrow that develops over the enlarged G emblem, extends upward to the right, and then curves toward the switch labeled “Off.”","membership":"Includes the visible curved shaft and arrowhead. Excludes the G badge, switch, and translucent motion trails.","id":"obj_009","temporal":{"status":"found","start_s":11.25,"end_s":12.0,"reference_s":11.5,"evidence":"目标是朝“Off”开关弯曲的粗白色箭头，仅计箭身和箭头，不计半透明拖尾。此次入画后首个完整帧为11.25秒，最后合格帧为11.75秒；前一帧11.00秒箭身仍被左边界裁切，后一帧12.00秒已切换为品牌标志，箭头消失。选择11.50秒作为关键帧，箭头轮廓清楚且与开关分离，便于标注。","start_frame":270,"end_frame":288,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[125,412,235,582],"positive_points":[[140,431],[165,455],[191,498],[213,559],[226,500],[182,542]],"negative_points":[[75,438],[132,547],[208,644],[405,510]],"evidence":"目标是开关左侧向右下弯曲的白色箭头。框覆盖清晰的弧形箭杆和箭头，排除左侧半透明拖影；正点分布在箭杆及箭头两翼，负点位于拖影、外围紫色背景及“Off”开关上。"}},{"name":"Off toggle switch","description":"Large horizontal rounded toggle outlined in magenta, with a circular magenta knob on the left containing the white word “Off.” The white arrow approaches this control.","membership":"Includes the entire rounded switch boundary, enclosed track, knob, and Off label. Excludes the approaching arrow and surrounding background.","id":"obj_010","temporal":{"status":"found","start_s":11.0,"end_s":12.0,"reference_s":11.25,"evidence":"目标为洋红色圆角横向开关，包含轨道边框、左侧圆形旋钮及白色“Off”文字，不含白色箭头。11.00秒首次完整呈现，11.75秒仍可见完整开关，箭头仅局部遮挡旋钮。此前10.75秒显示G图标和箭头，尚无开关；此后12.00秒已切换为FlexGO标志，开关消失。选择11.25秒作为关键帧，开关结构清晰且未被箭头遮挡。","start_frame":264,"end_frame":288,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[333,400,667,652],"positive_points":[[387,464],[425,526],[401,595],[512,462],[611,539],[561,644]],"negative_points":[[128,431],[294,542],[706,542],[508,717]],"evidence":"图中中央偏下的洋红色圆角开关，左侧圆形滑钮带白色“Off”字样，与目标一致。边界框覆盖完整开关轮廓、内部轨道、滑钮及文字。正点分布在滑钮、文字、轨道和边框上；负点位于左侧白色箭头及开关外围背景。"}},{"name":"FlexGO brand mark","description":"Centered closing wordmark reading “FlexGO,” with dark gray “Flex” and a joined purple-magenta “GO” design on white.","membership":"Includes all lettering and the integrated GO graphic. Excludes the separate byline below and scattered decorative dots.","id":"obj_011","temporal":{"status":"found","start_s":12.0,"end_s":14.0,"reference_s":13.0,"evidence":"目标是白底居中的“FlexGO”字标，包含深灰色“Flex”和紫红渐变的连体“GO”，不含下方署名及装饰点。12.00秒首帧已完整呈现，虽随后字形略有变化，整体结构始终完整；最后合格帧为13.75秒。此前11.75秒显示“Off”开关和白色箭头，尚无该字标。区间延续至视频结束14.00秒，无后续采样帧。选择13.00秒作为关键帧，字标清晰、完整且无遮挡。","start_frame":288,"end_frame":336,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[325.5,394.4,674.5,563.0],"positive_points":[[333.3,476.9],[390.6,467.6],[429.7,538.9],[494.8,495.4],[531.3,476.9],[663.5,479.6]],"negative_points":[[360.9,582.4],[500.0,324.1],[552.1,629.6],[734.9,752.8]],"evidence":"目标是画面中央的“FlexGO”品牌字标。边界框紧贴深灰色“Flex”及紫红色连体“GO”，不含下方署名和零散装饰点。六个正点分布在各字母的实心笔画上；负点位于下方署名、外围白色背景及右下装饰点。"}},{"name":"by Flexitricity byline","description":"Dark gray text reading “by Flexitricity” directly beneath the left portion of the closing FlexGO wordmark.","membership":"Includes only the byline lettering. Excludes the larger wordmark above and the white background.","id":"obj_012","temporal":{"status":"found","start_s":12.0,"end_s":14.0,"reference_s":12.5,"evidence":"目标是结尾 FlexGO 大字标左部下方的深灰色“by Flexitricity”字样，仅包含该署名字母。12.00 秒首次完整显示，至最后采样帧 13.75 秒仍完整可见。前一帧 11.75 秒为紫色背景上的 Off 开关，没有该署名；区间延续至视频结尾，之后无采样帧。选择 12.50 秒作为关键帧，文字清晰完整、无遮挡，便于与上方大字标区分。","start_frame":288,"end_frame":336,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[325.5,563.9,480.2,605.6],"positive_points":[[327.6,576.9],[359.9,583.3],[374.0,579.6],[396.4,584.3],[431.3,586.1],[475.5,579.6]],"negative_points":[[333.3,472.2],[572.9,509.3],[307.3,583.3],[406.3,638.9]],"evidence":"目标是大型 FlexGO 标志左下方的深灰色“by Flexitricity”署名字样。边界框紧贴完整署名文字，正点分布在不同字母的笔画上；负点位于上方大型标志及署名左侧、下方的外部白色背景。"}}]}
+{"video_id":165,"video_type":"visual design and media animation","targets":[{"name":"Yellow tied parcel","description":"A large yellow rectangular parcel with crossing string and a small bow on top, initially centered on the conveyor before moving off to the right.","membership":"Include the parcel surface, outlined edges, crossing string, and attached bow. Exclude the conveyor and surrounding motion marks.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标是传送带上带交叉绑绳和顶部蝴蝶结的大型黄色矩形包裹。首个合格帧为0.00秒，包裹已完整呈现；最后合格帧为0.25秒，向右移动但仍完整位于画面内。紧邻的0.50秒帧中，包裹已被右侧画面边界裁切，因此排除。区间始于视频开头，无更早帧。选择0.00秒作为关键帧，因为包裹居中，表面、轮廓、绑绳和蝴蝶结均清楚可辨。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[309,99,789,782],"positive_points":[[509,133],[381,270],[708,334],[399,569],[680,675],[518,563]],"negative_points":[[237,524],[849,444],[641,122],[501,860]],"evidence":"目标是传送带上的大型黄色包裹，带有交叉绑绳及顶部蝴蝶结。边界框紧贴包裹外缘，包含绑绳和蝴蝶结；六个正点分布在黄色表面、竖向绑绳和蝴蝶结上。负点位于包裹两侧及上方背景、下方传送带齿轮上，不包含周围运动线。"}},{"name":"Conveyor belt","description":"A horizontal conveyor along the bottom of the packaging demonstrations, illustrated with two black boundary lines and three dark-blue toothed wheels.","membership":"Include the belt strip and its visible wheels, including their enclosed interiors. Exclude the parcels and other objects resting above it.","id":"obj_002","temporal":{"status":"found","start_s":0.0,"end_s":17.0,"reference_s":3.5,"evidence":"目标是包装演示底部由两条黑色边界线、带状内部和三个深蓝色齿轮组成的传送带，不含上方包裹。首个合格帧为0.00秒，视频起点之前无采样帧；最后合格帧为16.75秒。17.00秒右侧开始被白色遮罩移除，右轮及带体被截断，因此结束于17.00秒。选择3.50秒作为关键帧，带体和三个轮子结构清晰，无遮挡，便于空间标注。","start_frame":0,"end_frame":408,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[0,784,1000,935],"positive_points":[[77,860],[500,862],[924,861],[242,869],[650,859],[805,846]],"negative_points":[[455,630],[655,280],[165,471],[651,969]],"evidence":"目标是图像底部由两条黑色边界线和三个深蓝色齿轮构成的水平传送带。边界框覆盖横贯全图的带状区域及全部可见轮子；正点分布在三个轮子内部和带面上，负点位于上方包裹、黄色刷子、左侧图标及传送带下方背景，排除这些非目标区域。"}},{"name":"Brush shipping box","description":"The initially small, unfilled square box beneath the diagonal long-handled brush. Its upper edge forms a notch around the handle, then the box expands to enclose the brush and becomes a dark-blue tied parcel.","membership":"Include the box surface, boundary, enclosed contents, and its string and bow when added. Follow the changing outline and handle notch. The separately identified brush belongs to the box region wherever enclosed; exposed portions remain outside that region. Exclude surrounding arrows and emphasis effects.","id":"obj_003","temporal":{"status":"found","start_s":0.5,"end_s":7.25,"reference_s":6.5,"evidence":"目标是斜置长柄刷下方的小方盒，随后上缘形成柄槽、盒体扩大并变成深蓝色系绳包裹，属于同一连续出现。首个合格帧为0.50秒，盒面及四周边界已完整进入画面；此前0.25秒仍在左侧入场并被画面裁切。最后合格帧为7.00秒，包裹完整可见；7.25秒右侧开始出画裁切。选择6.50秒作为关键帧，盒体轮廓、表面及绳结清晰完整，且无遮挡。","start_frame":12,"end_frame":174,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[357.8,87,779.2,789],"positive_points":[[536.5,101],[447,275],[695,315],[455,667],[691,685],[610,504]],"negative_points":[[161,472],[834,324],[313,602],[501,861]],"evidence":"目标是画面中央偏右的大型深蓝色捆扎包裹。边界框包含箱体表面、黑色轮廓、横竖绑绳及顶部蝴蝶结；正点分布在箱体各部分、绑绳交点和蝴蝶结上。负点位于左侧小箱图标、箱外背景及下方传送带齿轮，排除这些独立对象。"}},{"name":"Long-handled brush","description":"A diagonally presented brush with a long handle, an oval hanging hole, and a broad rectangular head marked with parallel bristle lines. It changes from an unfilled outline to yellow before being enclosed in the shipping box.","membership":"Include the complete visible head, neck, and handle, with their outlined interiors and hanging-hole detail. Exclude the shipping box, circular emphasis outline, arrows, and motion marks.","id":"obj_004","temporal":{"status":"found","start_s":2.5,"end_s":5.5,"reference_s":3.25,"evidence":"目标是斜放的长柄刷，具有椭圆挂孔、连接颈和带平行刷毛线的宽矩形刷头。首个合格帧为2.50秒，轮廓及刷毛线已完整，随后由空心变为黄色；前一帧2.25秒刷头线条仍在绘制。最后合格帧为5.25秒，5.50秒起蓝色包装遮罩开始覆盖��收起刷柄。选择3.25秒作为关键帧，刷子完整、清晰且无遮挡，易与箱体区分。","start_frame":60,"end_frame":132,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[373,150,751,775],"positive_points":[[388,748],[443,667],[552,490],[627,365],[646,215],[715,355]],"negative_points":[[365,648],[781,426],[167,463],[500,861]],"evidence":"目标是斜向右上方的黄色长柄刷，带椭圆挂孔和带平行刷毛线的宽刷头。边界框紧贴完整刷头、颈部及手柄；六个正点分布在这些部位。负点位于运输箱左边线、右侧外部背景、左侧蓝色图标及下方齿轮上，均不属于刷子。"}},{"name":"Open-box insertion icon","description":"A dark-blue open-box symbol with a downward arrow, presented on a small torn white card to the left of the brush-packing demonstration.","membership":"Include the torn card and its enclosed box-and-arrow graphic. Exclude the nearby brush, shipping box, and conveyor.","id":"obj_005","temporal":{"status":"found","start_s":2.5,"end_s":6.75,"reference_s":3.5,"evidence":"目标是刷子包装演示左侧的撕边白卡及其深蓝色开箱、向下箭头图案。2.50秒首次完整呈现，前一帧2.25秒尚未出现完整箭头；最后合格帧为6.50秒，下一帧6.75秒白卡向左退出并被画面边缘裁切。选择3.50秒为关键帧，卡片和图案清晰完整，无遮挡且易与邻近物体区分。","start_frame":60,"end_frame":162,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[83.3,342.6,270.3,567.6],"positive_points":[[105,382],[245,382],[229,525],[108,534],[166,467],[165,409]],"negative_points":[[61,431],[292,446],[456,640],[501,861]],"evidence":"目标是画面左侧带深蓝色开箱及向下箭头图案的撕边白卡。边界框紧贴整张卡片，包含白色卡面和图案；正点分布于卡面及蓝色图案，负点位于卡片外背景、右侧刷柄和下方传送带齿轮上。"}},{"name":"Rolled sheet","description":"A long white rolled sheet presented horizontally above the conveyor, with a curled right end and string tied around its middle. It is subsequently cushioned and boxed.","membership":"Include the rolled sheet's outlined body, curled end, and attached string and bow. Exclude the separately added yellow protective sleeve and outer shipping box.","id":"obj_006","temporal":{"status":"found","start_s":8.75,"end_s":14.75,"reference_s":9.0,"evidence":"目标是输送带上方横放的白色卷纸，右端有卷曲线，中部系着绳结；不包括黄色护套和外箱。8.75秒首次完整呈现纸身、卷曲端和绳结，8.50秒卷曲端仍在绘制。最后合格帧为14.50秒；14.75秒蓝色外包装开始从左侧遮盖卷纸，进入遮罩式消失过程。选择9.00秒作为关键帧，此时卷纸完整清晰，尚未添加护套或外箱。","start_frame":210,"end_frame":354,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[176,559,823,723],"positive_points":[[219,643],[370,660],[467,645],[666,652],[815,592],[484,717]],"negative_points":[[500,480],[655,753],[502,862],[769,248]],"evidence":"目标是传送带上方横放的白色卷材，右端卷曲，中部系有绳结。边界框覆盖完整纸卷本体、卷曲端以及突出本体的绳线和蝴蝶结。正点分布于纸卷表面、卷端轮廓和绳结；负点位于上下外部背景、下方齿轮及右上角包装图标。"}},{"name":"Package approval icon","description":"A dark-blue horizontal package symbol with a white top tab and an overlapping circular check mark, displayed on a torn white card above the rolled-sheet demonstration.","membership":"Include the card, package symbol, and overlapping check-mark badge as one illustrated unit. Exclude the rolled sheet and nearby animation marks.","id":"obj_007","temporal":{"status":"found","start_s":8.5,"end_s":16.5,"reference_s":11.75,"evidence":"目标是卷纸演示上方的撕边白卡，含深蓝色横向包裹、白色顶部标签及重叠的圆形勾选徽章。8.5秒首次完整呈现，前一帧8.25秒卡片仍为空白；最后合格帧为16.25秒，整组图标向右移动但仍完整，16.5秒已被画面右边界裁切。选择11.75秒作为关键帧，此时卡片和图标清晰完整、无遮挡，易于标注。","start_frame":204,"end_frame":396,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[673.4,144.4,861,369.4],"positive_points":[[690,181.5],[827.6,170.4],[758.9,252.8],[829.7,300],[718.8,341.7],[841.7,342.6]],"negative_points":[[645.8,250],[887.5,266.7],[770.8,96.3],[768.8,421.3]],"evidence":"目标位于画面右上方：撕边白卡上有深蓝色横向包裹、白色顶部标签及重叠的圆形勾选徽章。边界框紧贴整张卡片，包含包裹和徽章，不包含下方卷纸。正点分布于卡片表面、包裹及徽章，负点位于卡片四周的外部背景。"}},{"name":"Yellow protective sleeve","description":"A yellow protective layer progressively drawn around the long rolled sheet before the outer rectangular shipping box is added.","membership":"Include the sleeve's yellow material and black outer and inner contours, following its shaped ends. Exclude the rolled sheet within the central opening, the outer shipping box, and motion marks.","id":"obj_008","temporal":{"status":"found","start_s":11.5,"end_s":14.75,"reference_s":11.75,"evidence":"目标是包围长卷纸的黄色保护套，包含贴合两端形状的黑色内外轮廓，不含中央卷纸和外层矩形箱。11.25秒右端仍未完成黄色揭示，11.5秒保护套完整呈现；最后合格帧为14.5秒，14.75秒深蓝色外包装开始从左侧遮罩覆盖保护套，进入退出过程。选择11.75秒作为关键帧，此时保护套完整清晰，尚无外箱轮廓干扰。","start_frame":276,"end_frame":354,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[157.5,540.7,841.7,730.6],"positive_points":[[167,640],[271,565],[677,557],[830,640],[646,717],[286,715]],"negative_points":[[312,639],[651,639],[521,426],[501,859]],"evidence":"目标是围绕长卷纸的黄色保护套。边界框紧贴其上下长边和两端弧形轮廓，包含黄色材料及黑色内外边线。六个正点分布在黄色上下边和左右端；负点位于明确排除的中央卷纸、上方背景及下方传送带齿轮上。"}},{"name":"Long shipping box","description":"A long, shallow rectangular box drawn around the cushioned roll. It fills dark blue, acquires crossing string, and travels off along the conveyor.","membership":"Include the box boundary, surface, enclosed roll and cushioning, and attached wrapping string. Exclude the conveyor, approval card, and external motion marks.","id":"obj_009","temporal":{"status":"found","start_s":13.75,"end_s":17.0,"reference_s":16.5,"evidence":"目标是包围黄色缓冲层及卷状物的长浅矩形运输箱，随后填充深蓝色并加上交叉捆绳。13.75秒箱体四边首次完整建立；前一帧13.50秒右侧边界仍未画完。最后合格帧为16.75秒，完整箱体正在传送带上移动；17.00秒右端已被退出遮罩遮去。选择16.50秒为关键帧，此时深蓝箱面、完整边界和捆绳清晰可见，且无遮挡。","start_frame":330,"end_frame":408,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[114.6,496.3,883.3,795.4],"positive_points":[[158,558],[425,607],[808,571],[213,739],[689,726],[536,659]],"negative_points":[[78,860],[500,863],[924,858],[930,252]],"evidence":"目标是传送带上方的深蓝色长浅矩形运输箱，表面有横纵交叉的捆扎绳。边界框覆盖箱体、完整表面及向外突出的绳圈，不含传送带和右上角卡片。正点分布于箱体左右及上下表面和绳线交叉处；负点位于下方传送带齿轮及右上角卡片。"}},{"name":"GLS logo","description":"The closing brand graphic, combining a yellow curved arrow with dark-blue italic letters reading “GLS,” centered on a torn white label.","membership":"Include the yellow arrow and the complete “GLS” lettering as one logo. Exclude the white backing label, surrounding string and bow, and decorative streaks.","id":"obj_010","temporal":{"status":"found","start_s":18.75,"end_s":21.0,"reference_s":19.5,"evidence":"目标是撕边白标签上的黄色弯箭头与深蓝色斜体“GLS”字母，不包含标签、绳结或装饰线。18.50秒标志仍从右侧入场并被画面边缘裁切；18.75秒首次完整可见，虽有运动模糊但结构已齐全。最后合格帧为20.75秒，持续至视频结束21.0秒，之后无采样帧。选择19.50秒作为关键帧，标志清晰完整且无遮挡。","start_frame":450,"end_frame":504,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[373.4,238.0,626.1,360.2],"positive_points":[[379.2,306.5],[427.1,347.2],[493.8,277.8],[520.8,318.5],[570.3,345.4],[609.9,325.9]],"negative_points":[[312.5,310.2],[520.8,203.7],[572.9,407.4],[695.3,539.8]],"evidence":"目标是撕边白色标签中央的黄色弯箭头及深蓝色斜体“GLS”字样。边界框紧贴完整箭头和全部字母，不包含白色标签或绳结。六个正点分布在箭头和三个字母的实色笔画上；负点位于标志外围的白色标签及右下方绳结上。"}},{"name":"GLS website address","description":"The closing address “gls-group.eu,” progressively revealed beneath the logo on a separate white strip.","membership":"Include only the complete address lettering. Exclude its white backing strip, the logo above, and the nearby string and bow.","id":"obj_011","temporal":{"status":"found","start_s":20.75,"end_s":21.0,"reference_s":20.75,"evidence":"目标是标志下方独立白条上的“gls-group.eu”地址文字，不含白条、标志或绳结。20.50秒末尾字母仍处于逐步显现状态；20.75秒完整地址已全部呈现，是首个也是最后一个符合条件的采样帧，因此选作关键帧。区间延续至视频结束21.00秒，之后没有采样帧。","start_frame":498,"end_frame":504,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[402.6,685.2,598.4,752.8],"positive_points":[[406.3,713.0],[426.0,694.4],[441.1,731.5],[465.1,745.4],[537.5,726.9],[594.3,723.1]],"negative_points":[[349.0,713.0],[520.8,666.7],[572.9,305.6],[744.8,490.7]],"evidence":"目标是标志下方独立白纸条上的“gls-group.eu”。边界框紧贴完整地址字样，正点分布在各处字母笔画上；负点位于白色衬条、上方标志及右侧绳结，均排除在目标之外。"}}]}
+{"video_id":166,"video_type":"visual design and media animation","targets":[{"name":"Information confirmation heading","description":"Vertical white Chinese heading “信息确认” on the dark blue ribbon at the upper left during the first section.","membership":"Includes the complete heading text and its typographic shadow. Excludes the ribbon backing and surrounding patterned background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":7.75,"reference_s":0,"evidence":"目标为左上角深蓝色 ribbon 上竖排白字“信息确认”及其文字阴影，不包括底板。首个合格帧为0.00秒，末个为7.50秒，期间标题完整可见；7.75秒标题向上退出，顶部文字已被画面边界裁切。区间始于视频开头，无更早采样帧。选择0.00秒作为关键帧，文字完整清晰、无遮挡，便于标注。","start_frame":0,"end_frame":186,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[44.5,31.9,95.3,430.6],"positive_points":[[50,68.1],[75,52.8],[56.3,161.1],[50,250],[54.7,381.9],[79.7,397.2]],"negative_points":[[69.5,472.2],[36.7,208.3],[128.9,236.1],[507.8,479.2]],"evidence":"目标是左上方深蓝色缎带上的竖排白字“信息确认”。边界框覆盖四个汉字及其排版阴影，不包含缎带底板。正点分布在四字的实际笔画上；负点位于缎带空白、右侧菱格背景及中央数字上。"}},{"name":"Step 1 badge","description":"Central two-tone blue circular badge with a large white numeral “1”, which rotates before the customer illustration appears.","membership":"Includes the circular badge surface, its boundary, and the numeral. Excludes the diffuse outer halo and subsequent customer illustration.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0.5,"evidence":"目标是中央双色蓝色圆形徽章及白色数字“1”，不含外侧光晕。首个合格帧为0.00秒，徽章已完整呈现；最后合格帧为1.00秒，虽在旋转但圆面和数字仍完整。1.25秒已开始替换为客户插画，不再符合目标。区间始于视频开头，无更早采样帧。选择0.50秒作为关键帧，徽章正向、清晰且无遮挡。","start_frame":0,"end_frame":30,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[417.2,340.3,603.9,672.2],"positive_points":[[460.2,418.1],[551.6,430.6],[444.5,545.8],[557.8,563.9],[501.6,634.7],[511.7,483.3]],"negative_points":[[394.5,506.9],[625,508.3],[511.7,297.2],[511.7,725]],"evidence":"目标为画面中央带白色数字“1”的上下双色蓝色圆形徽章。边界框紧贴圆形实体，包含徽章表面、边界和数字，不包含外围弥散光晕。六个正点分布于上下蓝色表面及数字笔画，四个负点位于圆形外侧的背景区域。"}},{"name":"Bottom instructional captions","description":"Continuously updated white Chinese caption block along the bottom center, beginning with “一 信息确认” and later describing customer information, participant roles, and insurance settings.","membership":"Includes all characters and their typographic shadows in the bottom caption block as its wording changes. Excludes the main illustrations, application panels, and background.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":2,"evidence":"目标是底部居中的白色中文字幕及其字影，文字从“一 信息确认”持续更新为客户信息、参与人角色和保险设置等内容。首个合格帧为0.00秒，末个为15.75秒；整个采样序列中该字幕块持续完整可见，措辞变化不改变其身份。区间覆盖视频首尾，两端均无额外相邻帧。选择2.00秒作为关键帧，此时“客户信息确保准确无误”完整清晰、无遮挡，且与上方插图区分明显。","start_frame":0,"end_frame":384,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[303,876,699,958],"positive_points":[[322,889],[390,917],[477,890],[521,929],[634,917],[676,918]],"negative_points":[[277,915],[734,915],[504,832],[505,982]],"evidence":"目标是底部居中的白色字幕“客户信息确保准确无误”。边界框覆盖整行文字及其深色排印阴影；六个正点分散在各处字形笔画上，四个负点位于字幕左右、上方和下方的蓝色背景。"}},{"name":"Customer holding a document","description":"Cartoon man with short dark hair, a black suit, white shirt, and red tie, holding a white document inside a pale circular portrait backdrop.","membership":"Includes the man, held document, pale circular backdrop, and its immediate circular border, including the enclosed area. Excludes the separate orbiting white dashed and triangular decorations and outer lighting effects.","id":"obj_004","temporal":{"status":"found","start_s":1.5,"end_s":3.5,"reference_s":2.5,"evidence":"目标为黑色西装、红领带、手持白色文件的卡通男子，包括浅色圆形背景及紧邻圆框，不含外围白色虚线和三角装饰。首个合格帧为1.50秒；1.25秒人物及圆形背景仍在淡入过渡。最后合格帧为3.25秒，目标虽缩小但仍完整；3.50秒已被表单面板替代。选择2.50秒为关键帧，人物、文件和圆框清晰完整且无遮挡。","start_frame":36,"end_frame":84,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[370.3,175,669.5,705.6],"positive_points":[[520,283],[539,622],[526,580],[610,418],[416,403],[489,192]],"negative_points":[[520,121],[676,374],[328,436],[505,916]],"evidence":"目标为中央手持白色文件、穿黑西装红领带的卡通男子。框覆盖人物、文件、浅色圆形背景及紧贴背景的圆形边框；正点分布在头发、西装、文件、背景和边框上。负点位于外围白色装饰、左侧外部背景及底部字幕，排除外圈装饰与光效。"}},{"name":"Policyholder information panel","description":"Left framed mobile application form with a red “移动签单” header and the section heading “投保人信息”. It first enters alone and later remains beside the insured-person and beneficiary forms.","membership":"Includes the complete blue-gray panel frame, white form surface, red header, fields, icons, and buttons. Excludes the separate “投保人” heading above it and the bottom captions.","id":"obj_005","temporal":{"status":"found","start_s":3.75,"end_s":8.0,"reference_s":6.0,"evidence":"目标是左侧带红色“移动签单”栏和“投保人信息”标题的蓝灰框表单，不含上方独立“投保人”标签。首个完整帧为3.75秒，前一帧3.50秒面板仍从顶部进入并被裁切；最后合格帧为7.75秒，面板虽向上移动但自身边框仍完整，8.00秒已消失。选择6.00秒为关键帧，面板完整清晰、无遮挡，且可与右侧被保险人及受益人表单明确区分。","start_frame":90,"end_frame":192,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[165.6,201.4,402.3,802.8],"positive_points":[[278.9,238.9],[216.4,377.8],[346.1,500],[231.3,666.7],[325,750],[391.4,583.3]],"negative_points":[[281.3,145.8],[546.9,479.2],[136.7,555.6],[492.2,912.5]],"evidence":"目标是左侧带红色“移动签单”栏及“投保人信息”字段的手机表单。边界框覆盖完整蓝灰色外框、白色表面及内部控件，不含上方“投保人”标题和底部字幕。正点分布在红色栏、表单区域、按钮与外框；负点位于独立标题、中间表单、左侧背景及底部字幕。"}},{"name":"Policyholder label","description":"White text “投保人” above the left information panel, presented on a rounded blue backing.","membership":"Includes the label text and its typographic shadow only. Excludes the rounded backing and application panel below.","id":"obj_006","temporal":{"status":"found","start_s":3.75,"end_s":7.75,"reference_s":6.0,"evidence":"目标为左侧信息面板上方的白色“投保人”文字及其阴影，不含蓝色圆角底板。3.75秒首次完整呈现，持续至7.50秒；此前3.50秒该标签尚未出现，之后7.75秒文字随整体上移而被画面上边界裁切。选择6.00秒作为关键帧，文字清晰完整、无遮挡，且可与右侧其他标签明确区分。","start_frame":90,"end_frame":186,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[239.8,119.4,331.3,176.4],"positive_points":[[246.1,148.6],[260.2,126.4],[273.4,141.7],[285.2,154.2],[312.5,130.6],[320.3,161.1]],"negative_points":[[213.3,145.8],[352.3,144.4],[277.3,237.5],[525,150]],"evidence":"目标为左侧信息面板上方的白色“投保人”。边界框紧贴三个字及其排版阴影，不含蓝色圆角底板。六个正点分布在三个字的笔画上；负点位于两侧蓝色底板、下方应用面板及中间的另一标题处。"}},{"name":"Insured-person information panel","description":"Middle framed mobile application form with a red “移动签单” header and “被保险人信息” section, including a mobile-phone field.","membership":"Includes the entire blue-gray frame and enclosed application contents, including the header, fields, controls, and bottom buttons. Excludes the separate “被保险人” label above and neighboring forms.","id":"obj_007","temporal":{"status":"found","start_s":4.5,"end_s":8.0,"reference_s":6.5,"evidence":"目标是中间蓝灰色边框的表单，含红色“移动签单”页头、“被保险人信息”和移动电话字段，不含上方独立标签。4.50秒首次完整显示，前一帧4.25秒尚未出现；7.75秒表单虽向上移动，但自身边框和内容仍完整，后一帧8.00秒已消失。选择6.50秒为关键帧，目标清晰、无遮挡，且易与左右表单区分。","start_frame":108,"end_frame":192,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[433.6,201.4,668,802.8],"positive_points":[[552,243],[483,341],[608,426],[481,640],[591,743],[442,528]],"negative_points":[[552,148],[285,476],[822,477],[690,523]],"evidence":"目标为中间带红色“移动签单”页头、含“被保险人信息”和移动电话字段的表单。边界框覆盖完整蓝灰色外框及内部页面和底部按钮，不含上方独立标签。正点分布于页头、字段、按钮及外框；负点位于上方标签、左右相邻表单和外部背景。"}},{"name":"Insured-person label","description":"White text “被保险人” above the middle information panel on a rounded blue backing.","membership":"Includes the complete label text and its typographic shadow. Excludes the blue backing and the form below.","id":"obj_008","temporal":{"status":"found","start_s":4.5,"end_s":7.75,"reference_s":6.0,"evidence":"目标是中间信息面板上方的白色“被保险人”文字及其阴影，不含蓝色底板和表单。4.50秒文字已完整可见，虽然底板贴近画面上缘，但文字未被裁切；此前4.25秒尚未出现。最后合格帧为7.50秒，7.75秒文字随面板上移并被画面上缘裁切。选择6.00秒作为关键帧，文字完整清晰、无遮挡，且与两侧标签容易区分。","start_frame":108,"end_frame":186,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[492.2,119.4,614.1,176.4],"positive_points":[[500.8,129.2],[510.9,155.6],[539.1,126.4],[556.3,143.1],[573.4,154.2],[604.7,165.3]],"negative_points":[[472.7,145.8],[631.3,145.8],[546.9,241.7],[546.9,72.2]],"evidence":"目标是中间信息面板上方的白色“被保险人”。边界框紧贴四字及其排版阴影，不含蓝色圆角底板和下方表单。六个正点分布在各字笔画上；负点位于左右蓝色底板、下方表单及上方背景。"}},{"name":"Beneficiary information panel","description":"Right framed mobile application form with a red “移动签单” header and “受益人信息” section, showing fields for beneficiary order, share, nationality, and relationship.","membership":"Includes the complete blue-gray frame, enclosed white application surface, header, form fields, and visible buttons. Excludes the separate “受益人” label and adjacent panels.","id":"obj_009","temporal":{"status":"found","start_s":5.75,"end_s":8.0,"reference_s":6.5,"evidence":"目标是右侧蓝灰色边框的受益人信息表单，含红色“移动签单”页眉及顺序、份额、国籍和关系等字段，不含上方独立“受益人”标签。首个完整帧为5.75秒，5.50秒面板仍被画面上边缘裁切；最后完整帧为7.75秒，此时面板虽上移但自身仍完整，8.00秒已消失。选择6.50秒作为关键帧，面板清晰完整且与相邻表单易于区分。","start_frame":138,"end_frame":192,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[708.6,201.4,942.2,801.4],"positive_points":[[820,243],[755,321],[870,434],[758,596],[787,759],[930,688]],"negative_points":[[830,147],[550,478],[966,485],[823,839]],"evidence":"目标为最右侧带红色“移动签单”页头和“受益人信息”的表单。边界框覆盖完整蓝灰色外框、白色页面、各项字段及底部可见按钮。正点分布在页头、表单上下区域、按钮和外框；负点位于上方独立“受益人”标签、中间面板及右侧、下方背景。"}},{"name":"Beneficiary label","description":"White text “受益人” above the right information panel on a rounded blue backing.","membership":"Includes the complete label text and its typographic shadow. Excludes the rounded backing and application form.","id":"obj_010","temporal":{"status":"found","start_s":5.75,"end_s":7.75,"reference_s":6.5,"evidence":"目标是右侧信息面板上方的白色“受益人”文字及其阴影，不含蓝色圆角底板和表单。5.75秒首次完整显示，7.50秒为最后完整帧；此前5.50秒右侧面板正在从上方进入，目标文字尚未显示，此后7.75秒文字随整体上移而被画面上边界裁切。选择6.50秒作为关键帧，文字清晰完整、无遮挡，易与其他标签区分。","start_frame":138,"end_frame":186,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[780.5,118.1,873.4,176.4],"positive_points":[[789.8,130.6],[799.2,159.7],[826.6,133.3],[820.3,163.9],[856.3,133.3],[864.1,158.3]],"negative_points":[[750.8,145.8],[902.3,145.8],[828.1,73.6],[828.1,240.3]],"evidence":"目标是右侧信息面板上方的白色“受益人”。框仅覆盖完整文字及其字影，不含蓝色圆角底板和表单。六个正点分布在三个字的笔画上；负点位于文字两侧底板、上方背景及下方表单区域。"}},{"name":"Category confirmation heading","description":"Vertical white Chinese heading “类别确认” on the upper-left dark blue ribbon in the second section.","membership":"Includes the heading text and its typographic shadow. Excludes the ribbon backing and patterned background.","id":"obj_011","temporal":{"status":"found","start_s":8.5,"end_s":16.0,"reference_s":9.5,"evidence":"目标为第��节左上深蓝色竖 ribbon 上的白色“类别确认”文字及其阴影，不含底带。8.50秒文字首次完整呈现；前一帧8.25秒仅见入场底带尖端，未见完整标题。此后标题持续完整可见，最后合格帧为15.75秒，故区间延至视频结尾16.00秒，结尾之后无采样帧。选择9.50秒作为关键帧，文字清晰、无遮挡，便于单独标注。","start_frame":204,"end_frame":384,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[44.5,27.8,94.5,426.4],"positive_points":[[64.1,58.3],[85.2,168.1],[51.6,154.2],[50.8,247.2],[78.9,288.9],[84.4,400]],"negative_points":[[65.6,458.3],[15.6,291.7],[130.5,166.7],[351.6,486.1]],"evidence":"目标是左上方深蓝色竖 ribbon 上的白色“类别确认”。边框紧包四个纵排汉字及其排版阴影；六个正点分布于各字笔画，负点位于文字下方的蓝色底带、外部菱格背景及中央手机上，均避开目标文字。"}},{"name":"Step 2 badge","description":"Two-tone blue circular badge with a large white numeral “2” at the upper right, rotating and disappearing as the insurance settings are introduced.","membership":"Includes the circular surface, boundary, and numeral throughout its rotation. Excludes the diffuse surrounding halo and other section graphics.","id":"obj_012","temporal":{"status":"found","start_s":8.5,"end_s":9.25,"reference_s":8.75,"evidence":"目标是右上角带白色数字“2”的双色蓝色圆形徽章，不含外围光晕。首个合格帧为8.50秒，末个为9.00秒，期间徽章完整并发生旋转。前一帧8.25秒仅出现圆面，数字尚未显现；后一帧9.25秒徽章及数字已开始淡出。选择8.75秒作为关键帧，数字正立、边界清楚且无遮挡。","start_frame":204,"end_frame":222,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[825,21,991,316],"positive_points":[[905,56],[852,127],[894,137],[955,168],[865,237],[924,275]],"negative_points":[[790,155],[917,375],[773,292],[709,81]],"evidence":"右上角带白色数字“2”的双色蓝色圆形徽章即目标。边界框紧贴圆形实体，包含圆面、边界及数字，不包含外围弥散光晕。正点分布在圆面不同区域及数字笔画上，负点位于徽章外侧的菱格背景。"}},{"name":"Insurance-plan smartphone","description":"Upright dark gray smartphone at the left of the second section, displaying a white insurance-plan form with a red header, selection fields, and red bottom buttons.","membership":"Includes the entire phone body, bezel, earpiece, navigation symbols, and displayed application contents. Excludes the large blue circular backdrop, surrounding decorative rings, and captions.","id":"obj_013","temporal":{"status":"found","start_s":9.0,"end_s":16.0,"reference_s":10.5,"evidence":"目标是第二节左侧蓝色圆形背景内的深灰色直立手机，具有完整机身、听筒、底部导航符号，屏幕显示红色页眉和底部按钮的白色保险计划表单。9.0秒首次完整出现；前一帧8.75秒只有圆形背景，没有手机。此后持续完整可见，最后合格帧为15.75秒，区间延至视频结尾16.0秒，无后续帧。选择10.5秒作为关键帧，手机轮廓清楚、无遮挡，易与外围装饰区分。","start_frame":216,"end_frame":384,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[293,285,410,675],"positive_points":[[311,303],[386,336],[316,413],[380,500],[327,621],[381,657]],"negative_points":[[250,479],[443,486],[348,242],[350,729]],"evidence":"目标是左侧蓝色圆形背景中央的竖直深灰色手机，屏幕显示红色标题栏、白色保险表单和底部红色按钮。边界框紧贴整部手机，覆盖机身、边框、听筒、导航符号及屏幕内容。正点分布于顶部机身、标题栏、表单、按钮和底部边框；负点位于手机外的蓝色背景，不包含圆形背景、装饰环或字幕。"}},{"name":"Insurance product label","description":"White text “保险产品” on the uppermost coral rectangle to the right of the smartphone.","membership":"Includes the complete text only. Excludes the coral backing and adjacent orange family-protection icon.","id":"obj_014","temporal":{"status":"found","start_s":10.25,"end_s":16.0,"reference_s":10.5,"evidence":"目标为手机右侧最上方珊瑚色矩形内的白色“保险产品”文字，不含底板和橙色图标。10.25秒首次完整显示，持续至最后采样帧15.75秒。此前10.00秒该标签尚在画面右边界外进入，文字未完整显示；区间到达视频结尾，无后续帧。选择10.50秒为关键帧，文字完整清晰、无遮挡，便于独立标注。","start_frame":246,"end_frame":384,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[642.97,130.56,770.31,184.72],"positive_points":[[649.22,165.28],[660.94,136.11],[678.91,165.28],[721.09,148.61],[752.34,134.72],[762.5,179.17]],"negative_points":[[624.22,159.72],[785.94,159.72],[566.41,154.17],[703.13,229.17]],"evidence":"目标是手机右上方珊瑚色矩形中的白色“保险产���”，不是底部同名文字。边界框仅覆盖完整四字；六个正点分布在各字笔画上，负点位于文字两侧的珊瑚色底板、左侧橙色图标及下方蓝色背景。"}},{"name":"Insurance period label","description":"White text “保险期间” on the second coral rectangle to the right of the smartphone.","membership":"Includes the complete text only. Excludes the coral backing and adjacent orange family-protection icon.","id":"obj_015","temporal":{"status":"found","start_s":11.5,"end_s":16.0,"reference_s":12.0,"evidence":"目标为手机右侧第二个珊瑚色矩形上的白色“保险期间”文字，不含底色和图标。11.50秒文字首次完整呈现；前一帧11.25秒该标签仍在从右侧入场，文字未完整可见。此后持续出现，最后合格帧为15.75秒，故区间结束于视频末尾16.00秒，无后续帧。选择12.00秒作为关键帧，文字清晰完整且无遮挡。","start_frame":276,"end_frame":384,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[694.5,287.5,823.4,343.1],"positive_points":[[709.4,294.4],[717.2,319.4],[732.0,301.4],[766.4,300.0],[786.7,327.8],[819.5,320.8]],"negative_points":[[674.2,312.5],[843.8,326.4],[618.0,305.6],[500.0,912.5]],"evidence":"目标是手机右侧第二个珊瑚色矩形上的白字“保险期间”。边界框仅覆盖完整四字，六个正点分布在各字笔画上；负点位于文字两侧的珊瑚色底板、相邻橙色图标及画面底部另一处文字，均不属于目标。"}},{"name":"Payment method label","description":"White text “交费方式” on the middle coral rectangle in the insurance-settings list.","membership":"Includes the complete text only. Excludes the coral backing and adjacent orange dollar-sign icon.","id":"obj_016","temporal":{"status":"found","start_s":12.5,"end_s":16.0,"reference_s":15.5,"evidence":"目标为右侧保险设置列表中间珊瑚色矩形上的白字“交费方式”，不含底色、美元图标及底部字幕。12.50秒文字首次完整出现，前一帧12.25秒尚无该标签；至最后采样帧15.75秒仍完整可见，因此区间延续至视频结束16.00秒，无后续帧。选择15.50秒作为关键帧，文字清晰无遮挡，且与其他标签易于区分。","start_frame":300,"end_frame":384,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[720.3,447.2,847.7,500],"positive_points":[[734.4,451.4],[726.6,493.1],[767.2,469.4],[764.1,495.8],[800,462.5],[828.1,483.3]],"negative_points":[[700.8,477.8],[646.9,465.3],[862.5,476.4],[764.1,637.5]],"evidence":"目标是右侧列表中间珊瑚色矩形上的白色“交费方式”。边界框仅覆盖完整四字文本；六个正点分布在各字笔画上，负点位于文字两侧的珊瑚色底板、左邻美元图标及下方其他标签文字上。"}},{"name":"Payment term label","description":"White text “交费年限” on the coral rectangle below the payment-method label.","membership":"Includes the complete text only. Excludes the coral backing and adjacent orange dollar-sign icon.","id":"obj_017","temporal":{"status":"found","start_s":13.75,"end_s":16.0,"reference_s":14.0,"evidence":"目标为右侧“交费方式”下方珊瑚色矩形上的白字“交费年限”，不含底色和美元图标。13.50秒文字从右侧入场，仍被画面边缘裁切；13.75秒首次完整显示，至最后采样帧15.75秒持续完整可见。区间延伸至视频结尾16.00秒，无后续帧。选择14.00秒作为关键帧，文字清晰完整且无遮挡。","start_frame":330,"end_frame":384,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[695.3,608.3,831.3,666.7],"positive_points":[[711.7,616.7],[742.2,623.6],[774.2,637.5],[802.3,643.1],[718.8,656.9],[821.9,655.6]],"negative_points":[[676.6,636.1],[618.8,634.7],[768.8,473.6],[764.1,729.2]],"evidence":"目标是右侧“交费方式”下方珊瑚色矩形上的白色“交费年限”，不是底部字幕。边界框仅覆盖完整四字文字；六个正点分布在字形笔画上，负点位于左侧珊瑚色 backing、相邻美元图标、上方标签及下方蓝色背景，均不在文字内部空隙。"}},{"name":"Insurance amount label","description":"White text “保险金额” on the lowest coral rectangle to the right of the smartphone.","membership":"Includes the complete text only. Excludes the coral backing, adjacent orange dollar-sign icon, and matching bottom caption.","id":"obj_018","temporal":{"status":"found","start_s":14.75,"end_s":16.0,"reference_s":15.0,"evidence":"目标为手机右侧最下方珊瑚色矩形内的白字“保险金额”，不含底部同文字幕、底色及美元图标。14.50秒该标签仍从右侧入场，文字未完整露出；14.75秒文字首次完整可见，持续至最后采样帧15.75秒。区间延至视频结尾16.00秒，无后续采样帧。选择15.00秒作为关键帧，文字清晰完整且无遮挡。","start_frame":354,"end_frame":384,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[647.7,754.2,780.5,811.1],"positive_points":[[653.1,783.3],[665.6,784.7],[682.8,781.9],[725.8,790.3],[753.9,761.1],[775.0,783.3]],"negative_points":[[631.3,780.6],[569.5,780.6],[500.8,912.5],[825.8,777.8]],"evidence":"目标是手机右侧最下方珊瑚色矩形中的白色“保险金额”。框仅覆盖完整四字文字，正点分布在各字笔画上；负点分别位于左侧珊瑚色底板、相邻美元图标、底部同名字幕及右侧外部背景，均不属于目标。"}}]}
+{"video_id":167,"video_type":"visual design and media animation","targets":[{"name":"HALLO ! greeting","description":"Dark gray uppercase greeting presented alone near the upper center before the computer illustration appears.","membership":"Includes only the characters and punctuation of “HALLO !”; excludes the background and transition blur.","id":"obj_001","temporal":{"status":"found","start_s":1.5,"end_s":2.25,"reference_s":1.75,"evidence":"目标为画面上方中央独立显示的深灰色大写“HALLO !”。1.50秒首次完整清晰出现，2.00秒为最后符合条件的帧；此前1.25秒为空白，之后2.25秒字母H已开始拉伸模糊并进入消失转场。选择1.75秒作为关键帧，文字完整、清晰且无遮挡。","start_frame":36,"end_frame":54,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[426.6,183.3,573.4,238.9],"positive_points":[[429.7,200],[465.6,190.3],[482.8,208.3],[505.5,206.9],[538.3,187.5],[569.5,205.6]],"negative_points":[[500,140],[400,210],[600,210],[500,280]],"evidence":"图像上方中央可见独立的深灰色大写问候语“HALLO !”。边界框紧密覆盖全部字母和感叹号；六个正点分别位于各字符笔画上，四个负点位于文字上、下、左、右的外部浅色背景。"}},{"name":"Opening computer monitor","description":"Dark gray desktop-monitor pictogram with a rectangular screen, thick lower bezel, and short pedestal. It first rotates into view at the center, later displays an ascending-step symbol, and exits to the left.","membership":"Includes the monitor frame, enclosed screen surface and its contents, and pedestal, following their outlines. Excludes the exterior background and motion blur.","id":"obj_002","temporal":{"status":"found","start_s":3.25,"end_s":6.5,"reference_s":3.75,"evidence":"目标为中央旋转进入的深灰色桌面显示器，具有矩形屏幕、厚下边框和短底座，随后屏内出现上升台阶符号。首个合格帧为3.25秒，虽呈倾斜角度但结构已完整；前一帧3.00秒尚无完整显示器。最后合格帧为6.25秒，显示器向左移动但仍完整；6.50秒已被左侧画面边界裁切。选择3.75秒作为关键帧，此时正面轮廓清晰，无遮挡和明显运动模糊。","start_frame":78,"end_frame":156,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[352.3,280.6,648.4,718.1],"positive_points":[[538,292],[358,443],[429,390],[565,491],[478,613],[501,692]],"negative_points":[[300,444],[701,461],[503,224],[498,786]],"evidence":"图像中央是深灰色桌面显示器图标，具有矩形屏幕、厚下边框和短底座。边界框紧贴显示器外框及底座的可见范围；正点分布在边框、包含在目标内的屏幕表面和底座上，负点位于显示器四周的外部背景。"}},{"name":"Ascending steps and arrow","description":"Dark gray stair-step line rising to the right with a separate northeast-pointing arrow, displayed inside the opening monitor.","membership":"Includes the thick stepped path and the arrow as one compact progress symbol. Excludes the surrounding screen surface, monitor frame, and space between the two marks.","id":"obj_003","temporal":{"status":"found","start_s":5.0,"end_s":6.5,"reference_s":5.75,"evidence":"目标是开场显示器内向右上方升高的深灰色阶梯线及独立的右上箭头。5.00秒两部分已完整出现，虽尺寸较小仍符合条件；随后放大并随显示器移动，最后符合条件的帧为6.25秒。此前4.75秒屏幕为空，此后6.50秒显示器已从左侧移出并受边界裁切，目标不再可见。选择5.75秒作为关键帧，因为符号较大、轮廓清晰且无遮挡。","start_frame":120,"end_frame":156,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[418,316.7,582.8,561.1],"positive_points":[[429.7,547.2],[455.5,495.8],[515.6,384.7],[568,330.6],[527.3,529.2],[551.6,487.5]],"negative_points":[[390.6,458.3],[609.4,444.4],[500,291.7],[600,611.1]],"evidence":"目标是显示器内部向右上方上升的深灰色阶梯线及独立箭头。紧框覆盖这两个标记，不包含显示器边框。六个正点分布在阶梯笔画和箭头上；四个负点位于符号外围的屏幕表面及显示器边框上，避开两标记之间的空隙。"}},{"name":"amplified brand lockup","description":"Brand graphic consisting of the large lowercase word “amplified,” a vertical divider, and the stacked words “WEBSITES,” “BRANDING,” and “VIDEO.” Initially presented alone across the center, it subsequently remains inside a monitor as the composition shrinks toward the upper left.","membership":"Includes the wordmark, vertical divider, and three service labels as one complete logo. Excludes the background, surrounding monitor, and lighting effects.","id":"obj_004","temporal":{"status":"found","start_s":7.25,"end_s":16.5,"reference_s":8.0,"evidence":"目标由小写“amplified”、竖直分隔线及三行“WEBSITES / BRANDING / VIDEO”共同组成。首个完整帧为7.25秒；此前7.0秒右侧服务文字仍被画面边缘裁切。标志随后持续位于显示器内并缩至左上方，最后合格帧为16.25秒；16.5秒已开始淡出。选择8.0秒作为关键帧，此时完整标志清晰、尺寸较大且无遮挡。","start_frame":174,"end_frame":396,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[146.1,388.9,857.8,654.2],"positive_points":[[333.6,602.8],[405.5,500],[667.2,559.7],[734.4,419.4],[691.4,513.9],[783.6,588.9]],"negative_points":[[78.1,500],[898.4,506.9],[500,277.8],[500,763.9]],"evidence":"图像中央可见完整品牌标识：大写形态之外的英文小写“amplified”、竖直分隔线及右侧三行服务名称。边界框紧贴整个标识的可见范围；六个正点分布在主字标笔画、分隔线和三行服务文字上，四个负点位于标识外围的浅色背景。"}},{"name":"Branded computer monitor","description":"Desktop-monitor pictogram that appears around the amplified brand lockup. It has a dark gray frame and pedestal, then shrinks and moves to the upper left before fading out.","membership":"Includes the monitor boundary, enclosed display surface and logo contents, and pedestal. Excludes surrounding background and the brief glints on the bezel.","id":"obj_005","temporal":{"status":"found","start_s":10.75,"end_s":16.5,"reference_s":12.0,"evidence":"目标是包围 amplified 品牌标识的深灰色显示器，包含屏幕、标识和底座，随后缩小并移至左上角。首个合格帧为10.75秒，显示器及底座已完整可见；前一帧10.50秒的底座仍被画面下边界截断。最后合格帧为16.25秒，下一帧16.50秒已开始淡出。选择12.00秒作为关键帧，因为显示器轮廓及内部标识清晰完整，且没有边框闪光干扰。","start_frame":258,"end_frame":396,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[288.3,227.8,711.7,852.8],"positive_points":[[298,430],[400,310],[621,577],[455,470],[666,703],[500,815]],"negative_points":[[231,472],[775,476],[506,158],[504,918]],"evidence":"目标为中央带 amplified 品牌字样的桌面显示器图形。边界框紧贴深灰色外框及底座，包含完整显示区域和内部标志。正点分布在边框、屏幕表面、标志及底座上；负点位于显示器左右、上方和底座下方的外部背景。"}},{"name":"Ascending bar chart","description":"Four dark gray vertical bars with a shared baseline and progressively increasing heights from left to right, revealed near the center while the branded monitor sits above-left.","membership":"Includes all four filled bars as the complete chart. Excludes the gaps between bars, background, and nearby monitor.","id":"obj_006","temporal":{"status":"found","start_s":16.25,"end_s":17.5,"reference_s":16.75,"evidence":"目标为共用底线、从左到右逐级增高的四根深灰色实心柱。16.25秒四柱首次全部揭示完整；此前16.00秒最右柱仍在横向展开，宽度尚未完整。最后符合条件的帧为17.25秒，17.50秒图表上移，高柱开始被画面上边界裁切。选择16.75秒作为关键帧，此时四柱轮廓清晰，附近显示器已消失，便于独立标注。","start_frame":390,"end_frame":420,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[367.2,230.6,632.8,769.4],"positive_points":[[387,703],[460,549],[537,409],[539,712],[611,285],[615,667]],"negative_points":[[320,620],[690,500],[600,170],[500,830]],"evidence":"图中中央的四根深灰色实心竖条底部对齐，高度从左到右递增，符合目标。边界框紧贴四根柱条的整体可见范围；六个正点分布于各柱条内部，四个负点位于图表外围背景，不落在柱间空隙。"}},{"name":"Globe pictogram","description":"Dark gray circular Earth symbol with light continental shapes showing the Americas. It replaces the bars at center and later appears between people and a banknote before shrinking away near the percentage heading.","membership":"Includes the globe’s outer silhouette and enclosed continental areas. Follows the actual edge, including its visible indentations; excludes nearby text, people, and banknote.","id":"obj_007","temporal":{"status":"found","start_s":17.75,"end_s":23.0,"reference_s":18.0,"evidence":"目标为深灰色地球图标，浅色大陆呈美洲轮廓；随后位于人物与欧元纸币之间，并缩小到百分比标题附近。首个合格帧为17.75秒，前一帧17.50秒仍从下边缘入场且被裁切。最后合格帧为22.75秒，缩小的地球仍可见；23.00秒已开始淡出。选择18.00秒作为关键帧，地球完整清晰、无遮挡，且远离其他图形。","start_frame":426,"end_frame":552,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[372.7,286.1,635.9,754.2],"positive_points":[[412,454],[431,585],[541,324],[591,449],[570,629],[513,577]],"negative_points":[[337,497],[669,522],[500,224],[501,818]],"evidence":"图像中央是深灰色地球图标，浅色大陆呈现美洲轮廓。边界框紧贴图标的可见外缘；正点分布于灰色主体及包含在目标内的浅色大陆区域，负点位于图标上、下、左、右的外部背景。"}},{"name":"POTENTIAL heading","description":"Uppercase dark gray “POTENTIAL” heading positioned above the centered globe.","membership":"Includes only the letters of “POTENTIAL”; excludes the globe, background, and departing text fragments.","id":"obj_008","temporal":{"status":"found","start_s":19.5,"end_s":20.5,"reference_s":20.0,"evidence":"目标是居中地球上方的深灰色大写“POTENTIAL”，仅包含该词字母。首个完整呈现帧为19.50秒，最后合格帧为20.25秒；此前19.25秒仅显示正在揭露的“P”及模糊拖影，此后20.50秒字母开始分解离场。选择20.00秒作为关键帧，文字完整清晰，无遮挡，易与下方地球区分。","start_frame":468,"end_frame":492,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[395.31,183.33,606.25,238.89],"positive_points":[[398.44,202.78],[423.44,208.33],[477.34,213.89],[502.34,219.44],[536.72,213.89],[588.28,219.44]],"negative_points":[[358.59,211.11],[642.19,212.5],[500,131.94],[572.66,488.89]],"evidence":"目标是居中地球上方的深灰色大写“POTENTIAL”。边界框紧贴完整标题文字，正点分布在不同字母的实际笔画上；负点位于标题左侧、右侧、上方背景及下方明确排除的地球图形上。"}},{"name":"Audience pictograms","description":"A group initially consisting of three identical standing human silhouettes to the left of the globe. The group subsequently expands into two staggered rows beneath the percentage heading and slides off to the left as the shopping cart arrives.","membership":"Includes all human silhouettes belonging to this continuously expanding audience group, including their circular heads, torsos, arms, and legs. Excludes gaps between figures, the heading, globe, banknote, and shopping cart.","id":"obj_009","temporal":{"status":"found","start_s":21.25,"end_s":27.5,"reference_s":21.75,"evidence":"目标是地球左侧最初的三个人形剪影，随后连续扩展为两排观众。21.25秒首次完整呈现；此前21.00秒仍从左边界进入且被裁切。最后合格帧为27.25秒，观众群正在左移但仍完整；27.50秒最左侧人形开始被画面边界裁切。选择21.75秒作为关键帧，三个人形轮廓清晰、无遮挡，且与地球和纸钞明确分离。","start_frame":510,"end_frame":660,"reference_frame":522},"grounding":{"status":"found","bbox_xyxy":[107,384.7,299.2,652.8],"positive_points":[[135.2,408.3],[203.1,408.3],[271.1,408.3],[128.1,594.4],[196.1,598.6],[278.1,600]],"negative_points":[[66.4,506.9],[195.3,277.8],[570.3,541.7],[802.3,527.8]],"evidence":"目标是地球左侧的三个人形剪影。边界框紧贴三个人物的头顶、最外侧手臂和脚底，覆盖完整群组；正点分布在各人物的圆形头部及腿部，负点位于群组左侧和上方的外部背景，以及明确排除的地球和纸币上。"}},{"name":"Euro banknote pictogram","description":"Outlined banknote with gently curved horizontal edges and a central dark circle containing a light euro sign, presented to the right of the globe.","membership":"Includes the banknote’s outer boundary and the entire enclosed area, including the central emblem and euro sign. Excludes the adjacent globe and background outside the note.","id":"obj_010","temporal":{"status":"found","start_s":21.5,"end_s":22.25,"reference_s":21.75,"evidence":"目标是地球右侧的纸币图标，具有微弯的外框和中央含浅色欧元符号的深色圆形。首个完整呈现帧为21.50秒，最后合格帧为22.00秒；此前21.25秒尚未出现纸币，此后22.25秒纸币向右移出并被画面边界裁切。选择21.75秒作为关键帧，纸币轮廓及欧元标志清晰完整，无遮挡。","start_frame":516,"end_frame":534,"reference_frame":522},"grounding":{"status":"found","bbox_xyxy":[707.8,438.9,896.9,610],"positive_points":[[724,475],[869,485],[802,525],[743,564],[857,575],[758,447]],"negative_points":[[469,514],[805,389],[805,660],[930,521]],"evidence":"目标是地球右侧带欧元圆形标志的纸币图标。紧框覆盖弯曲外边界及其全部内部区域；六个正点分布在边框、票面和中央标志上，四个负点位于相邻地球及纸币上方、下方和右侧的外部背景。"}},{"name":"91 PROZENT ! heading","description":"Dark gray text reading “91 PROZENT !” above the audience silhouettes, retained while the audience expands.","membership":"Includes only the number, letters, and exclamation mark. Excludes the briefly overlapping globe, audience figures, background, and text-transition blur.","id":"obj_011","temporal":{"status":"found","start_s":22.75,"end_s":26.0,"reference_s":24.0,"evidence":"目标是观众剪影上方的深灰色“91 PROZENT !”文字，不包括短暂重叠的地球。首个合格帧为22.75秒，文字已完整呈现；此前22.50秒仍在揭示，仅部分文字清楚可见。最后合格帧为25.75秒；26.00秒文字开始拆散和模糊消失。选择24.00秒作为关键帧，此时文字清晰完整，无地球遮挡，便于独立标注。","start_frame":546,"end_frame":624,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[368.75,183.33,629.69,238.89],"positive_points":[[371.88,201.39],[430.47,209.72],[481.25,208.33],[521.88,208.33],[562.5,215.28],[625.78,204.17]],"negative_points":[[500,138.89],[500,298.61],[203.13,486.11],[679.69,208.33]],"evidence":"目标是观众剪影上方的深灰色“91 PROZENT !”标题。边界框紧贴整段文字，涵盖数字、字母和感叹号；六个正点分布在实际笔画上，负点位于标题外的背景及下方观众剪影上。"}},{"name":"Shopping cart pictogram","description":"Large dark gray shopping cart with a gridded basket, raised handle on the right, and two circular wheels. It enters from the right as the audience leaves and settles at center.","membership":"Includes the basket outline and its enclosed grid openings, the handle, and both wheels. Follows the basket and handle contours; excludes exterior gaps between basket and wheels, departing people, and background.","id":"obj_012","temporal":{"status":"found","start_s":27.75,"end_s":29.75,"reference_s":29.0,"evidence":"目标为深灰色购物车图标，具有网格篮筐、右上方把手和两个圆轮。27.75秒首次完整进入画面；此前27.50秒仍被右边界裁切。29.50秒购物车虽旋转变窄，但结构仍完整，是最后合格帧；29.75秒已替换为侧向的信息图标。选择29.00秒为关键帧，此时购物车居中、轮廓清晰且无遮挡。","start_frame":666,"end_frame":714,"reference_frame":696},"grounding":{"status":"found","bbox_xyxy":[365.6,298.6,660.9,763.9],"positive_points":[[383,396],[453,482],[488,590],[634,319],[414,711],[567,711]],"negative_points":[[273,486],[711,486],[500,833],[500,236]],"evidence":"图中央可见深灰色购物车，由网格篮筐、右上方抬起的把手及两个圆轮组成。边界框紧贴把手、篮筐和双轮的最外缘。正点分布在篮筐轮廓与网格、把手及两个轮子上；负点位于购物车外围的上下左右背景，不落在篮筐内部开口中。"}},{"name":"Information symbol","description":"Dark gray lowercase serif “i” enclosed by a thick circular ring, shown alone at center after the shopping cart and later beneath two headings.","membership":"Includes the outer ring and all of its enclosed area, including the “i.” Excludes the headings and background outside the ring.","id":"obj_013","temporal":{"status":"found","start_s":29.75,"end_s":33.75,"reference_s":30.5,"evidence":"目标是深灰色粗圆环及其中的衬线小写“i”，不包括标题。首个合格帧为29.75秒，符号虽侧向旋转但结构完整；前一帧29.50秒仍是购物车。最后合格帧为33.50秒，圆环和“i”仍完整可见；33.75秒符号开始淡化并被齿轮替代。选择30.50秒为关键帧，此时符号正面居中、清晰且无遮挡。","start_frame":714,"end_frame":810,"reference_frame":732},"grounding":{"status":"found","bbox_xyxy":[368,298.6,631.3,769.4],"positive_points":[[499,325],[386,526],[613,562],[501,741],[499,419],[498,582]],"negative_points":[[319,513],[681,521],[502,231],[498,836]],"evidence":"图像中央可见深灰色粗圆环及其中的小写衬线“i”，符合信息符号描述。边界框紧贴圆环外缘，目标包含圆环及其全部内部区域。六个正点分布在圆环各侧和“i”的圆点、竖干上；四个负点位于圆环外的上下左右背景。"}},{"name":"GESCHÄFTLICH heading","description":"Uppercase dark gray “GESCHÄFTLICH” text above and to the left of the information symbol.","membership":"Includes only the letters of “GESCHÄFTLICH,” including the umlaut. Excludes the information symbol, neighboring “PRIVAT” text, and background.","id":"obj_014","temporal":{"status":"found","start_s":31.75,"end_s":33.5,"reference_s":32.75,"evidence":"目标为信息符号左上方的深灰色大写“GESCHÄFTLICH”，包含变音符号，不含旁边的“PRIVAT”。首个合格帧为31.75秒，最后为33.25秒；此前31.50秒文字仍从左侧进入且被边界裁切，之后33.50秒标题已消失并进入转场。选择32.75秒，文字完整清晰、无遮挡，便于单独标注。","start_frame":762,"end_frame":804,"reference_frame":786},"grounding":{"status":"found","bbox_xyxy":[180.47,172.22,475,238.89],"positive_points":[[184.38,206.94],[241.41,193.06],[294.53,215.28],[326.56,176.39],[374.22,188.89],[471.09,215.28]],"negative_points":[[555.47,205.56],[383.59,530.56],[273.44,145.83],[500,208.33]],"evidence":"目标是信息符号左上方的“GESCHÄFTLICH”标题。边界框紧贴完整单词，包含Ä上方���两点；六个正点分布在不同字母笔画及变音符号上。负点位于右侧“PRIVAT”、下方信息符号和标题外部背景，不涉及字母内部空隙。"}},{"name":"PRIVAT heading","description":"Uppercase dark gray “PRIVAT” text above and to the right of the information symbol, paired visually with the separate business heading.","membership":"Includes only the letters of “PRIVAT”; excludes the information symbol, “GESCHÄFTLICH” heading, and background.","id":"obj_015","temporal":{"status":"found","start_s":32.5,"end_s":33.5,"reference_s":33.0,"evidence":"目标为信息符号上方偏右的深灰色大写“PRIVAT”，与左侧“GESCHÄFTLICH”分开。首个完整可见采样帧为32.50秒，最后一帧为33.25秒；此前32.25秒尚无“PRIVAT”，此后33.50秒标题已消失并进入转场。选择33.00秒作为关键帧，文字完整清晰、无遮挡，便于独立标注。","start_frame":780,"end_frame":804,"reference_frame":792},"grounding":{"status":"found","bbox_xyxy":[542.2,183.3,671.9,238.9],"positive_points":[[545.3,209.7],[572.7,208.3],[598.8,208.3],[616.4,229.2],[629.7,226.4],[660.2,187.5]],"negative_points":[[296.9,206.9],[499.2,416.7],[702.3,213.9],[600,141.7]],"evidence":"目标为信息符号右上方的深灰色大写“PRIVAT”。边界框紧贴完整单词，六个正点分别落在六个字母的笔画上；负点位于左侧商务标题、下方信息符号及目标外部背景。"}},{"name":"Intermeshing gear pair","description":"Two dark gray toothed gears, a larger one below-left and a smaller one above-right, each with a light circular hub. They rotate at center and then move to the lower left as a rising line is drawn beside them.","membership":"Includes both complete gear silhouettes and their enclosed hub areas as one mechanical symbol. Follows the teeth and concavities of each gear; excludes the exterior space between them, the adjacent line chart, and text.","id":"obj_016","temporal":{"status":"found","start_s":34.0,"end_s":40.0,"reference_s":35.0,"evidence":"目标为左下大齿轮与右上小齿轮组成的深灰色机械符号，两者均有浅色圆形轮毂。34.00秒首次完整呈现；前一帧33.75秒的小齿轮仍被画面上边界裁切。此后齿轮旋转并移至左下方，至最后采样帧39.75秒仍完整可见，因此区间结束于视频终点40.00秒，无后续帧。选择35.00秒作为关键帧，两枚齿轮轮廓清晰、无遮挡，且邻近折线尚未出现。","start_frame":816,"end_frame":960,"reference_frame":840},"grounding":{"status":"found","bbox_xyxy":[369.5,291.7,638.3,794.4],"positive_points":[[414.8,531.9],[463.3,629.2],[504.7,744.4],[570.3,315.3],[566.4,419.4],[610.2,491.7]],"negative_points":[[343.8,613.9],[476.6,395.8],[664.1,472.2],[574.2,756.9]],"evidence":"图中中央可见左下较大、右上较小的两个深灰色齿轮，与目标描述一致。边界框紧贴两齿轮的最外侧齿尖，覆盖完整轮廓及封闭的浅色轮毂。正点分布于两齿轮的轮齿和轮毂，负点均位于齿轮外部、远离轮廓的背景上。"}},{"name":"600 MILLIONEN AKTIVE WEBSITES heading","description":"Single-line uppercase statement reading “600 MILLIONEN AKTIVE WEBSITES,” presented across the upper portion above the gears and rising line.","membership":"Includes only the number and letters forming the complete heading. Excludes the gears, line chart, and background.","id":"obj_018","temporal":{"status":"found","start_s":39.75,"end_s":40.0,"reference_s":39.75,"evidence":"39.75秒帧中，齿轮和上升折线上方完整显示单行大写标题“600 MILLIONEN AKTIVE WEBSITES”，为首个也是最后一个合格帧；此前39.50秒帧尚无该标题。39.75秒文字清晰完整，故选作关键帧。区间延伸至视频40.0秒结束，边界后无采样帧。","start_frame":954,"end_frame":960,"reference_frame":954},"grounding":{"status":"found","bbox_xyxy":[178.1,165.3,819.5,220.8],"positive_points":[[182.8,195.8],[263.3,190.3],[328.1,215.3],[542.2,191.7],[664.8,191.7],[810.2,212.5]],"negative_points":[[500,100],[500,285],[250,450],[456,638]],"evidence":"目标是图像上方完整的单行标题“600 MILLIONEN AKTIVE WEBSITES”。边界框紧贴全部数字和字母的可见范围；六个正点分布在标题各段的字形笔画上，四个负点位于标题外背景、齿轮及折线上，不包含文字内部空隙。"}}]}
+{"video_id":168,"video_type":"visual design and media animation","targets":[{"name":"Blue AI node","description":"A blue gradient sphere bearing a white head outline and the letters “AI”, initially centered beneath connecting lines. It shrinks as the surrounding network expands.","membership":"Includes the complete blue circular surface and its white head-and-letter symbol. Excludes connecting lines and neighboring colored spheres.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":3.75,"reference_s":0,"evidence":"目标为带白色人头轮廓及“AI”字样的蓝色渐变圆球，不含连线。首个合格帧为0秒，圆球及符号已完整呈现；随后随网络扩展缩小并上移，最后在3.5秒仍有部分蓝色球面可见，其余被前景黄橙色球遮挡。3.75秒已切换为学习数据面板，目标不再可见。视频起点之前无采样帧。选择0秒作关键帧，目标最大、符号清楚且无遮挡。","start_frame":0,"end_frame":90,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[400.5,396.3,560.4,680.6],"positive_points":[[455.7,435.2],[530.2,476.9],[541.7,566.7],[492.2,649.1],[420.3,553.7],[473.4,534.3]],"negative_points":[[390,370],[573,333],[765,56],[365,648]],"evidence":"目标是画面中央偏下、带白色人头轮廓和“AI”字样的蓝色圆形节点。边界框紧贴完整蓝色圆面，包含白色符号，不含连接线。六个正点分布在圆面及符号上；负点位于圆外连接线、上方橙色球体和左下方背景。"}},{"name":"Opening subtitle block","description":"Bottom-centered narration text beginning with “猿辅导AI Lab” and changing to “不断延伸教育场景的AI应用边界”.","membership":"Includes only the glyphs of the bottom-centered subtitle throughout this uninterrupted appearance. Excludes the animation, background, and uploader credits.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":3,"reference_s":1.25,"evidence":"目标是底部居中的字幕字形：0.00秒完整显示“猿辅导AI Lab”，0.25秒起变为“不断延伸教育场景的AI应用边界”，连续显示至最后合格帧2.75秒。3.00秒字幕消失，因此区间止于3.00秒；起点已是视频首帧，无更早采样帧。选择1.25秒作关键帧，字幕完整清晰，与动画及左下角署名明显分离。","start_frame":0,"end_frame":72,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[328.6,909.3,671.4,948.1],"positive_points":[[338.5,913.9],[385.9,941.7],[434.9,920.4],[509.9,912.0],[567.2,929.6],[658.9,913.0]],"negative_points":[[495.8,878.7],[493.8,970.4],[228.1,974.1],[524.5,604.6]],"evidence":"底部居中的字幕为“不断延伸教育场景的AI应用边界”，边框紧贴整行文字。六个正点分布在字幕各段的字形笔画上；负点位于字幕上、下方背景、左下角署名及中央蓝色动画球上，均不属于目标字幕。"}},{"name":"Learning-monitoring subtitle block","description":"Bottom-centered narration appearing during the transition to learning reports, beginning with “通过AI智能学情监测系统” and later changing to “家长可以全面掌握孩子的课堂表现”.","membership":"Includes only the subtitle glyphs, including their changing content. Excludes report panels, people, furniture, and credits behind or beside the text.","id":"obj_003","temporal":{"status":"found","start_s":3.25,"end_s":8.0,"reference_s":4.75,"evidence":"目标是画面底部居中的旁白字幕，仅包含字形。3.25秒首次完整显示“通过AI智能学情监测系统”，随后文字改为“家长可以全面掌握孩子的课堂表现”，持续至最后采样帧7.75秒。前一帧3.00秒没有该字幕；区间延续至视频末尾8.00秒，无后续帧可检查。选择4.75秒作为关键帧，字幕完整清晰，与报告面板及角落署名易于区分。","start_frame":78,"end_frame":192,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[365.6,909.3,634.4,948.1],"positive_points":[[371.9,928.7],[402.6,938.9],[445.3,915.7],[493.8,932.4],[549.5,943.5],[623.4,931.5]],"negative_points":[[337.5,928.7],[660.4,930.6],[490.6,886.1],[199.0,974.1]],"evidence":"底部居中的“通过AI智能学情监测系统”为目标字幕，框紧贴整行文字的可见字形范围。六个正点分散落在字幕各段字形上；负点位于字幕左右及上方背景和左下角署名文字，排除报告面板与片尾署名。"}},{"name":"Study-duration panel","description":"A white horizontal report card introduced above the other reports, labeled “学习时长” with “70分钟/共70分钟” and a green timeline. It later moves to the right-hand report cluster.","membership":"Includes the entire white card, its boundary, labels, values, and timeline. Excludes overlapping neighboring cards and the student's portrait.","id":"obj_004","temporal":{"status":"found","start_s":3.75,"end_s":8.0,"reference_s":4.75,"evidence":"目标是标有“学习时长”“70分钟/共70分钟”并带绿色时间线的白色横向卡片，随后移至右侧报告组。3.50秒卡片从画面底部进入，仍被边界裁切；3.75秒卡片自身结构已完整建立，虽与学生头像局部重叠但符合条件。此后持续存在，最后合格帧为7.75秒，视频在8.0秒结束，无后续帧。选择4.75秒作为关键帧，卡片边界、文字和时间线清楚，邻近元素遮挡较少。","start_frame":90,"end_frame":192,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[380.7,75.9,601.6,202.8],"positive_points":[[398,102],[466,103],[572,137],[443,155],[398,182],[529,181]],"negative_points":[[598,227],[533,348],[241,189],[353,142]],"evidence":"目标是画面上方中央���有“学习时长”“70分钟/共70分钟”、带绿色时间线的白色横卡。边界框紧贴整张卡片的可见外缘；正点分布在标题、时长、时间线和卡片表面，避开右下方重叠头像。负点位于学生头像、下方橙色报告卡、左侧成绩卡及卡片外背景。"}},{"name":"Scored-answer report","description":"A white card initially on the left, showing an underlined red “64”, small illustrated markers, and rows of green and red numbered answer indicators.","membership":"Includes the complete white report card and all score, text, illustrations, and numbered indicators within it. Excludes the separate line-chart card overlapping its lower portion.","id":"obj_005","temporal":{"status":"found","start_s":4.0,"end_s":8.0,"reference_s":5.0,"evidence":"目标是含红色下划线“64”、小插图及绿红编号答题标记的白色报告卡，不包含叠在其下方的独立折线图。3.75秒时卡片仍被画面左边界裁切，4.0秒首次完整进入画面，随后移动并受到其他元素遮挡，但同一卡片持续可辨认至最后采样帧7.75秒。区间延续到视频结尾8.0秒，之后没有采样帧。选择5.0秒作为关键帧，此时卡片边界及内部标记清楚，遮挡较少。","start_frame":96,"end_frame":192,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[108.3,117.6,275.5,340.7],"positive_points":[[125,144],[190,148],[135,181],[147,231],[184,309],[261,322]],"negative_points":[[109,361],[63,278],[298,240],[245,380]],"evidence":"目标是左上方带红色下划线“64”、小插图及红绿编号圆点的白色成绩报告卡。框覆盖完整卡片的可见范围；正点分布于卡面、分数、插图和编号区域，负点位于下方独立折线图卡及周围背景，不包含重叠的折线图卡。"}},{"name":"Two-series line-chart card","description":"A white chart initially at the left beneath the scored-answer report, with blue and teal zigzag lines, small legend squares, and a pale blue information box.","membership":"Includes the whole chart card, its plotting area, both line series, labels, legend, and internal information box. Excludes adjacent and overlapping report cards.","id":"obj_006","temporal":{"status":"found","start_s":5.5,"end_s":8.0,"reference_s":5.5,"evidence":"目标是白色双折线图卡，含蓝色与青色折线、图例色块及浅蓝信息框，位于评分报告下方。5.25秒时卡片左侧仍被画面边缘裁切，5.5秒首次完整进入画面；随后移动至人物后方，虽有遮挡但保持连续存在，最后合格帧为7.75秒。区间延伸至视频结束8.0秒，无后续采样帧。选择5.5秒作为关键帧，图卡边界和内部折线清楚，人物遮挡最少。","start_frame":132,"end_frame":192,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[65.1,328.7,261.5,469.4],"positive_points":[[85.9,354.6],[106.8,416.7],[151.0,428.7],[194.3,363.9],[249.0,355.6],[224.5,450.9]],"negative_points":[[234.4,286.1],[52.1,407.4],[145.8,489.8],[278.6,420.4]],"evidence":"目标是左侧评分报告下方的白色双折线图卡，含蓝色和青色折线、图例及浅蓝提示框。边界框紧贴图卡可见范围；正点分布在绘图区、折线、提示框、图例及底部标签区域，负点位于上方报告卡和图卡外侧背景，排除相邻及重叠报告。"}},{"name":"Listening report panel","description":"A wide white card with an orange-red header labeled “听课”, explanatory text on the left, and seven rounded orange vertical bars on the right.","membership":"Includes the complete card, header, text, and all seven bars with their outlined upper portions. Excludes other reports behind it.","id":"obj_007","temporal":{"status":"found","start_s":3.75,"end_s":8.0,"reference_s":4.75,"evidence":"通过橙红色“听课”标题栏、左侧说明文字及右侧七根带顶部轮廓的橙色圆角竖条识别目标白色卡片。3.75秒首次完整呈现，前一帧3.50秒尚未显示完整目标卡片；之后卡片持续移动、缩小，但保持同一结构，至最后采样帧7.75秒仍在右侧可见。区间延续至视频末尾8.0秒，无后续帧。选择4.75秒作为关键帧，此时卡片较大、边界清楚，文字和七根竖条无遮挡。","start_frame":90,"end_frame":192,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[265,417,503,563],"positive_points":[[285,434],[457,433],[315,492],[333,537],[376,500],[484,506]],"negative_points":[[238,490],[396,371],[558,444],[412,606]],"evidence":"目标是中央偏左、橙红色标题栏写有“听课”的横向白色卡片。边界框覆盖完整卡片、左侧说明文字和右侧七根圆角橙色柱及其顶部轮廓。正点分布在标题栏、文字、白色卡面及柱形上；负点位于卡片外的背景、右后方奖励报告及下方答题报告上。"}},{"name":"Student rewards profile","description":"An orange-to-beige profile card topped by a circular portrait of a dark-haired girl in pigtails and an orange outfit. It displays “累计获得金币”, “2070个”, “累计获得MVP”, and “2次”, and later moves to the left of the parents.","membership":"Includes the full rectangular gradient card and its attached protruding circular portrait, together with all internal labels, values, and badges. Excludes neighboring report cards even where they overlap it.","id":"obj_008","temporal":{"status":"found","start_s":3.75,"end_s":8.0,"reference_s":3.75,"evidence":"目标为带双马尾女孩圆形头像的橙米色渐变奖励卡，内含“2070个”和“MVP 2次”等信息。3.50秒仅见底部边缘处尚未完整入画的头像部分；3.75秒卡片及突出头像均已完整呈现，之后连续移动至父母左侧，最后合格帧为7.75秒。区间延续至视频结尾，无后续帧。选择3.75秒为关键帧，此时目标较大、轮廓清晰，邻近面板未明显遮挡它。","start_frame":90,"end_frame":192,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[485.4,443.5,735,855.6],"positive_points":[[609,522],[510,589],[706,599],[544,767],[670,767],[612,832]],"negative_points":[[461,416],[396,785],[781,637],[924,757]],"evidence":"目标为中右部橙色至米色渐变的学生奖励卡，含“累计获得金币 2070个”和“累计获得MVP 2次”。边界框覆盖完整矩形卡片及顶部突出的小女孩圆形头像；正点分布于头像、卡面和奖励数值，负点位于上方学习时长卡、左下听课卡、右侧题目卡及外部背景。"}},{"name":"Math question and explanation panel","description":"A tall white panel initially on the right, presenting a fraction-arithmetic multiple-choice question, a green-selected C answer, a video explanation thumbnail, and an analysis section.","membership":"Includes the complete white panel, question, answer choices, selected-answer styling, separators, explanation thumbnail and play icon, and analysis content. Excludes the separate blue answer-navigation card overlapping it.","id":"obj_009","temporal":{"status":"found","start_s":4.0,"end_s":8.0,"reference_s":4.75,"evidence":"目标为右侧包含分数运算题、绿色选中C项、视频讲解缩略图及解析区的白色长面板，不包括叠在其上的蓝色答题卡。3.75秒面板仍被画面右缘和下缘裁切；4.00秒其完整表面与边界已进入画面，此后持续移动缩放但保持同一面板，最后合格帧为7.75秒。区间延伸至视频结束8.00秒，无后续采样帧。选择4.75秒作为关键帧，面板较大、题目及讲解结构清晰，且未被右下角水印遮挡。","start_frame":96,"end_frame":192,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[715.6,195.4,895.3,649.1],"positive_points":[[774,230],[814,269],[750,324],[804,458],[750,599],[815,630]],"negative_points":[[902,683],[699,412],[918,410],[792,171]],"evidence":"目标是右侧含分数运算题、绿色选中C项、视频讲解缩略图及解析的白色长面板。边界框覆盖完整面板的可见范围；正点分布在题目、选项、答题反馈、视频和下方解析区域。负点位于独立的蓝色答题卡及面板外侧背景，不将重叠答题卡纳入目标。"}},{"name":"Answer-performance summary","description":"A large white rounded card introduced along the lower left, headed “答题情况”. It contains a green “87%” accuracy ring, the “超神” achievement label, and correct, incorrect, and unanswered counts.","membership":"Includes the entire rounded card, blue heading tab, ring and enclosed content, achievement badge, statistics, and detail button. Excludes other cards passing over it.","id":"obj_010","temporal":{"status":"found","start_s":4.5,"end_s":8.0,"reference_s":5.5,"evidence":"目标是带蓝色“答题情况”标题、绿色87%准确率环、“超神”徽章及答题统计的白色圆角卡片。4.25秒时卡片下缘仍被画面边界裁切，4.5秒首次完整进入画面；随后虽被其他卡片短暂遮挡并移动缩小，仍可连续追踪至最后一帧7.75秒。区间结束于视频末尾8.0秒，无后续采样帧。选择5.5秒作为关键帧，此时卡片边界及主要内容清晰，遮挡较少。","start_frame":108,"end_frame":192,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[169.8,506.5,536.5,795.4],"positive_points":[[214,526],[251,639],[375,545],[481,614],[354,759],[508,739]],"negative_points":[[135,630],[573,648],[504,466],[227,407]],"evidence":"目标为左下方标题“答题情况”的白色圆角卡片，可见87%准确率环、“超神”徽章和答题统计。边界框覆盖整张卡片及蓝色标题页签；正点分布在标题、准确率、徽章、统计、详情按钮和卡片表面，负点位于左右外部背景、上方覆盖的听课卡片及左上折线图卡片。"}},{"name":"Blue answer-navigation card","description":"A compact light-blue panel labeled “答题卡”, with twelve numbered circles arranged in three columns. Some circles are orange while the others are white.","membership":"Includes the full blue card, heading, and all twelve numbered circles and their contents. Excludes the math explanation panel behind it.","id":"obj_011","temporal":{"status":"found","start_s":4.25,"end_s":8.0,"reference_s":4.75,"evidence":"目标是数学解析面板前方标有“答题卡”的浅蓝色卡片，含三列共十二个编号圆圈，部分橙色、其余白色。4.00秒时卡片仍被画面右侧和底部裁切；4.25秒首次完整进入画面，随后持续移动、缩放但保持完整，最后合格帧为7.75秒。区间延续至视频结束8.00秒，之后无采样帧。选择4.75秒作为关键帧，卡片边界、标题及十二个圆圈均清楚可见，且无遮挡。","start_frame":102,"end_frame":192,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[848.4,552.8,955.7,805.6],"positive_points":[[900,576.9],[875,620.4],[928.6,667.6],[901.6,716.7],[875,764.8],[941.1,785.2]],"negative_points":[[797,566.7],[968.2,685.2],[901,834.3],[830.2,722.2]],"evidence":"目标是右下方标有“答题卡”的浅蓝色卡片，内有三列共十二个白色或橙色编号圆圈。框覆盖完整蓝色卡片及其标题和编号内容，不包含后方数学解析面板。正点分布在标题、不同位置的编号圆圈及蓝色卡面；负点位于后方解析面板和卡片外围背景。"}},{"name":"Mother viewing the phone","description":"An illustrated woman with dark hair in a high bun, an orange short-sleeved top, a gold pendant, white trousers, and blue shoes. She enters from the lower left and sits beside the man while holding up a phone.","membership":"Includes her complete visible figure, hair, clothing, jewelry, and hands, following her silhouette through movement and occlusion. Excludes the phone, sofa, and other person.","id":"obj_012","temporal":{"status":"found","start_s":6.25,"end_s":8.0,"reference_s":6.75,"evidence":"目标是坐在男子身旁、举手机的高发髻母亲，穿橙色短袖、白裤和蓝鞋，戴金色吊坠；不包含手机。6.00秒时脚部仍被画面下边界裁切，6.25秒起完整可见，最后合格帧为7.75秒，持续至视频结束8.00秒，之后没有采样帧。选择6.75秒作为关键帧，此时人物轮廓清楚、姿态稳定，便于区分她与手机、沙发及男子。","start_frame":150,"end_frame":192,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[464,344,589,916],"positive_points":[[518,369],[546,511],[479,522],[507,688],[559,735],[578,869]],"negative_points":[[466,483],[423,512],[664,691],[469,823]],"evidence":"目标是坐在男子右侧、梳高发髻、穿橙色上衣和白裤蓝鞋的母亲。框覆盖她从发髻到鞋子的全部可见轮廓，包括伸向手机的手；遮挡部分不作补全。正点分布在头发、上衣、手、裤腿和鞋上，负点位于手机、男子、沙发及前方桌面，均排除在目标之外。"}},{"name":"Father viewing the phone","description":"An illustrated short-haired man wearing a white polo with green collar and sleeves, dark trousers, and blue shoes. He sits to the woman's left, looks toward the phone, and holds a blue cup.","membership":"Includes his complete visible figure, hair, clothing, and hands. Excludes the cup, phone, sofa, and woman.","id":"obj_013","temporal":{"status":"found","start_s":6.25,"end_s":8.0,"reference_s":6.75,"evidence":"目标是坐在女子左侧、穿白绿拼色上衣和深色长裤、看向手机的短发父亲。6.25秒首次完整入画，包含可见的蓝鞋；前一帧6.00秒脚部仍被画面下缘裁切。此后持续出现至最后采样帧7.75秒，视频于8.00秒结束，无后续帧。选择6.75秒作为关键帧，人物轮廓清楚，便于区分人物与杯子、手机、沙发及女子。","start_frame":150,"end_frame":192,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[359.4,323.1,498.4,909.3],"positive_points":[[452,342],[392,491],[433,519],[383,586],[386,698],[459,890]],"negative_points":[[475,590],[467,489],[540,520],[318,703]],"evidence":"目标是坐在女子左侧、穿绿袖白色上衣和深色长裤的短发父亲。框覆盖其可见头发、身体、双手、裤子及桌下露出的蓝鞋；正点分布于头发、衣服、手臂、裤腿和鞋上。负点位于明确排除的杯子、手机、女子及沙发上。"}},{"name":"Parents' smartphone","description":"A dark-blue upright phone held between the seated parents by the woman, serving as the device they consult while the child's reports are displayed above them.","membership":"Includes the visible phone body and face, following its own outline. Excludes the woman's fingers and the surrounding report graphics.","id":"obj_014","temporal":{"status":"found","start_s":5.75,"end_s":8.0,"reference_s":5.75,"evidence":"目标是母亲手持、位于两位家长之间的深蓝色竖直手机，不包括遮挡其局部的手指。首个合格帧为5.75秒，手机本体已完整呈现；前一帧5.50秒仅见母亲部分身体，尚未见手机。手机持续可见至最后采样帧7.75秒，因此区间结束于视频末尾8.0秒，之后无采样帧。选择5.75秒作为关键帧，手机较大、轮廓清楚，便于区分手机与手指。","start_frame":138,"end_frame":192,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[302.1,575.9,333.3,655.6],"positive_points":[[307.8,586.1],[318.8,586.1],[311.5,601.9],[312.5,615.7],[316.7,644.4],[324.0,648.1]],"negative_points":[[320.3,611.1],[293.2,619.4],[342.7,575.0],[378.1,632.4]],"evidence":"目标是两位家长之间、由女子握持的深蓝色竖向手机。边界框紧贴可见机身和正面；六个正点分布在手机顶部、中部及底部的蓝色区域，负点位于女子遮挡手机的手指和周围人物衣物上，排除手指及其他场景内容。"}}]}
+{"video_id":169,"video_type":"visual design and media animation","targets":[{"name":"Shipment management heading","description":"Opening heading reading “EASY WAY TO MANAGE YOUR SHIPMENTS:”, progressively revealed across the top. “EASY WAY” is pink and the remaining words are white.","membership":"Include the complete heading text as revealed. Exclude the feature bars and background.","id":"obj_001","temporal":{"status":"found","start_s":0.25,"end_s":2.0,"reference_s":0.5,"evidence":"目标是顶部标题“EASY WAY TO MANAGE YOUR SHIPMENTS:”，其中“EASY WAY”为粉色，其余为白色，不含下方功能条。首个完整帧为0.25秒，最后合格帧为1.75秒；此前0.00秒仅显示至“TO MANAGE”，文字尚未揭示完毕，此后2.00秒已替换为“SMART LOGISTICS”。选择0.50秒作为关键帧，标题完整清晰且无遮挡。","start_frame":6,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[97.9,115.7,921.9,165.7],"positive_points":[[102.6,139.8],[263,123],[327,144],[446,139],[622,142],[805.7,142.6]],"negative_points":[[502,70],[497,228],[491,332],[502,622]],"evidence":"图像顶部完整显示标题“EASY WAY TO MANAGE YOUR SHIPMENTS:”，前两词为粉色，其余为白色。边界框紧贴整行文字并包含末尾冒号；六个正点分布在标题不同词的字形笔画上，负点位于标题外背景及下方功能条上。"}},{"name":"Returns and rejects management bar","description":"Topmost rounded magenta feature bar in the opening view, labeled “RETURNS AND REJECTS MANAGEMENT”.","membership":"Include the rounded bar’s surface, boundary, and label. Exclude surrounding background and other bars.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是开场最上方标有“RETURNS AND REJECTS MANAGEMENT”的圆角洋红色横条。0.00秒时条面、边界和标签已完整呈现，是首个及最后一个合格帧；0.25秒时该条上移并明显淡出，0.50秒已消失。区间始于视频开头，没有更早采样帧。选择0.00秒作为关键帧，其完整轮廓和标签最清楚。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[142.7,295.4,857.3,400.9],"positive_points":[[163,347],[250,324],[385,360],[531,335],[678,373],[831,346]],"negative_points":[[500,260],[500,493],[112,347],[890,347]],"evidence":"目标是最上方标有“RETURNS AND REJECTS MANAGEMENT”的圆角洋红色功能条。边界框紧贴整条圆角条，包含表面、边界及文字；六个正点分散在条内各处，四个负点位于上方及左右背景和下方独立的“SHIPMENT TRACKING”条上。"}},{"name":"Shipment tracking bar","description":"Rounded magenta feature bar labeled “SHIPMENT TRACKING”, initially below the returns and rejects bar and moving upward with the list.","membership":"Include the complete rounded bar and its text throughout its movement and fading. Exclude adjacent bars.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是标有“SHIPMENT TRACKING”的圆角洋红色横条，与相邻功能条分开。首个合格帧为0.00秒，横条及文字已完整呈现；随列表上移，至0.50秒仍完整可见，低亮度属于列表的非高亮样式。下一帧0.75秒该横条已消失。区间始于视频开头，无更早帧；选择0.00秒作为关键帧，因为目标完整、文字清晰且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[143,441,857,545],"positive_points":[[163,493],[276,471],[363,489],[529,492],[692,509],[836,492]],"negative_points":[[481,348],[496,638],[512,565],[111,489]],"evidence":"目标为标有“SHIPMENT TRACKING”的第二条圆角洋红色功能栏。边界框覆盖整条栏面、圆角及文字；六个正点分布于栏的左右端、中部及文字区域，负点位于上下相邻栏、下方栏间背景和左侧外部背景。"}},{"name":"Customer notifications bar","description":"Rounded feature bar labeled “CUSTOMER NOTIFICATIONS”, initially highlighted bright pink with white lettering.","membership":"Include the bar’s rounded boundary, filled surface, and label through changes of brightness and position. Exclude other feature bars.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0,"evidence":"通过“CUSTOMER NOTIFICATIONS���标签及其粉色圆角条识别目标。首个合格帧为0.00秒，末个为0.75秒；期间条形完整，仅位置及亮度变化。1.00秒时该条已移至标题下方并开始淡出，故不纳入。视频起点前无采样帧。选择0.00秒为关键帧，因为目标呈亮粉色、白字清晰且无遮挡，易与其他功能条区分。","start_frame":0,"end_frame":24,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[142.7,586.1,857.8,691.7],"positive_points":[[166,638],[255,657],[367,638],[505,643],[650,641],[826,632]],"negative_points":[[497,490],[498,787],[112,638],[889,636]],"evidence":"目标是画面中标有“CUSTOMER NOTIFICATIONS”的亮粉色圆角横条。边界框紧贴整条横栏，包含圆角边缘、填充表面和白色标签；六个正点分布于横栏左右表面及中部文字区域，负点位于上下其他功能条及左右外部背景。"}},{"name":"Carriers integrations bar","description":"Rounded magenta bar labeled “CARRIERS INTEGRATIONS”, which becomes the bright highlighted item as the list scrolls.","membership":"Include the entire rounded bar and its label. Exclude surrounding background and neighboring bars.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0.5,"evidence":"目标是标有“CARRIERS INTEGRATIONS”的圆角洋红色横条。0.00秒已完整出现，之前没有采样帧；随列表滚动及高亮切换，至1.25秒仍可见完整横条和标签，1.50秒已消失。选择0.50秒作为关键帧，此时目标明亮高亮、轮廓清楚，易与相邻横条区分。","start_frame":0,"end_frame":36,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[142.7,571.9,857.8,676.4],"positive_points":[[166,623],[292,604],[430,632],[559,621],[700,645],[830,619]],"negative_points":[[480,480],[489,771],[114,625],[889,626]],"evidence":"目标是列表中标有“CARRIERS INTEGRATIONS”的亮洋红色圆角横条。边界框紧贴整条横条，包含圆角、填充和文字；六个正点分布于横条各处，负点位于上下相邻横条及左右外部背景。"}},{"name":"Customs clearance services bar","description":"Rounded magenta bar labeled “CUSTOMS CLEARANCE SERVICES”, initially near the bottom and subsequently highlighted.","membership":"Include the complete bar surface, rounded boundary, and text throughout its movement. Exclude other bars.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0.75,"evidence":"目标是标有“CUSTOMS CLEARANCE SERVICES”的洋红色圆角横条。首帧0.00秒已完整显示，随后上移并高亮；最后合格帧为1.25秒，条面、圆角边界及文字仍完整。1.50秒该条已明显淡出，故不纳入。区间始于视频开头，没有更早采样帧。选择0.75秒作为关键帧，因为目标高亮清晰、无遮挡，易与其他横条区分。","start_frame":0,"end_frame":36,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[142.7,581.5,857.8,685.2],"positive_points":[[159,634],[266,601],[404,646],[547,625],[724,662],[836,631]],"negative_points":[[500,490],[500,782],[110,630],[896,630]],"evidence":"目标是画面中部偏下、标有“CUSTOMS CLEARANCE SERVICES”的高亮洋红色圆角横条。边界框覆盖完整条面、圆角边界及文字；六个正点分布于横条左右端和中间各段，四个负点位于上方及下方其他横条，以及目标左右外部背景。"}},{"name":"Invoices and COD management bar","description":"Rounded magenta feature bar labeled “INVOICES AND COD MANAGEMENT”, revealed beneath the customs clearance item and later highlighted.","membership":"Include the rounded bar and its enclosed label. Exclude neighboring bars and the separate “AND MORE” text.","id":"obj_007","temporal":{"status":"found","start_s":0.5,"end_s":1.5,"reference_s":1.25,"evidence":"目标是海关清关条目下方、标有“INVOICES AND COD MANAGEMENT”的圆角洋红色条。0.5秒首次完整显示，1.25秒为最后合格帧；此前0.25秒该条仍被画面底边裁切，之后1.5秒已开始随列表退出而淡出。选择1.25秒作为关键帧，因为目标高亮、文字清晰且边界完整。","start_frame":12,"end_frame":36,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[142.7,563.9,857.3,669.4],"positive_points":[[163,613],[266,588],[411,632],[544,589],[698,647],[829,614]],"negative_points":[[494,475],[488,762],[501,921],[108,615]],"evidence":"目标是位于海关清关服务条下方、标有“INVOICES AND COD MANAGEMENT”的亮洋红色圆角条。边界框紧贴整条圆角背景并包含其文字；六个正点分散在条内左右及中部。负点位于上方清关条、下方API条、独立的“AND MORE”文字及左侧外部背景。"}},{"name":"API integration bar","description":"Lowest newly revealed feature bar, labeled “API INTEGRATION”, beneath the invoices and COD item.","membership":"Include the complete rounded magenta bar and its label. Exclude background and separate text below it.","id":"obj_008","temporal":{"status":"found","start_s":0.75,"end_s":1.75,"reference_s":1.25,"evidence":"目标是“INVOICES AND COD MANAGEMENT”下方、标有“API INTEGRATION”的圆角洋红色条。0.75秒首次完整显示条形及标签，较暗呈现与列表层级样式一致；此前0.50秒尚未出现。最后合格帧为1.50秒，1.75秒已明显淡出。选择1.25秒作为关键帧，条形边界和文字清楚，且与下方独立的“AND MORE”分离。","start_frame":18,"end_frame":42,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[142.7,709.3,857.3,814.8],"positive_points":[[166,764],[297,741],[402,768],[541,766],[690,790],[832,757]],"negative_points":[[500,620],[503,922],[115,766],[894,770]],"evidence":"目标是位于发票与COD条目下方、标有“API INTEGRATION”的最下方圆角洋红色功能条。边界框覆盖完整条形及其标签；六个正点分布于条形左右表面和中部标签，负点位于上方独立功能条、下方“AND MORE”文字及左右外部背景。"}},{"name":"And more text","description":"White “AND MORE” text centered below the final feature bars.","membership":"Include only the complete text block. Exclude feature bars and background.","id":"obj_009","temporal":{"status":"found","start_s":1.0,"end_s":2.0,"reference_s":1.5,"evidence":"目标是最后几条功能栏下方居中的白色“AND MORE”完整文字。首个合格帧为1.00秒，最后一个为1.75秒；此前0.75秒尚未出现该文字，此后2.00秒已切换为“SMART LOGISTICS”。选择1.50秒作为关键帧，文字完整清晰，与上方功能栏分离，便于标注。","start_frame":24,"end_frame":48,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[409.4,846.3,589.6,886.1],"positive_points":[[416.7,870.4],[438,866.7],[471.9,880.6],[496.4,866.7],[530.7,850.9],[579.2,880.6]],"negative_points":[[500,710],[388,867],[614,868],[500,925]],"evidence":"目标为最后一条功能栏下方居中的白色“AND MORE”。边界框紧贴完整文字块，六个正点分散在字母笔画上；负点位于上方功能栏及文字左右、下方的外部背景，不包含字间空隙。"}},{"name":"Smart logistics title","description":"Large white “SMART LOGISTICS” title presented alone across the center before the illustrated benefits.","membership":"Include the title lettering only. Exclude the incoming bulb graphics and replacement title.","id":"obj_010","temporal":{"status":"found","start_s":2.0,"end_s":2.75,"reference_s":2.25,"evidence":"目标为中央大型白色“SMART LOGISTICS”标题，仅计 lettering。首个合格帧为2.00秒，最后为2.50秒；2.50秒虽被进入的灯泡局部遮挡，标题仍完整存在。前一帧1.75秒显示上一组服务文案，后一帧2.75秒已替换为“CUSTOM SUGGESTIONS”。选择2.25秒作为关键帧，标题清晰、无遮挡且单独呈现。","start_frame":48,"end_frame":66,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[205.7,465.7,794.3,546.3],"positive_points":[[224,476],[328,520],[417,509],[499,509],[602,500],[776,537]],"negative_points":[[174,502],[825,507],[500,412],[502,601]],"evidence":"图像中央独立显示白色“SMART LOGISTICS”标题，符合目标描述。边界框紧贴整行文字的可见范围；六个正点分布在不同字母的白色笔画上，四个负点位于标题左右及上下的外部深色背景。"}},{"name":"Custom delivery suggestions text","description":"White benefit statement progressively revealed as “CUSTOM SUGGESTIONS FOR THE BEST DELIVERY OPTION”, arranged in two lines left of center.","membership":"Include the complete statement as revealed and wrapped. Exclude the three surrounding bulb badges and any overlapping outgoing title.","id":"obj_011","temporal":{"status":"found","start_s":3.25,"end_s":4.75,"reference_s":3.5,"evidence":"目标为靠左居中的两行白字“CUSTOM SUGGESTIONS FOR THE BEST DELIVERY OPTION”，不含周围三个灯泡徽章。3.25秒首次完整显示，4.50秒为最后符合条件的帧；前一帧3.00秒尚未揭示末词“OPTION”，后一帧4.75秒已替换为“PUDO”。选择3.50秒作为关键帧，文字完整清晰且无遮挡。","start_frame":78,"end_frame":114,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[181.8,434.3,816.7,558.3],"positive_points":[[213.0,457.4],[470.8,456.5],[619.8,440.7],[187.0,534.3],[473.4,535.2],[812.5,535.2]],"negative_points":[[657.8,220.4],[152.1,718.5],[851.0,800.0],[520.8,648.1]],"evidence":"目标为画面中央偏左的两行白色文字“CUSTOM SUGGESTIONS / FOR THE BEST DELIVERY OPTION”。边界框紧贴完整文字块，包含字符及行间间隔。六个正点分布在两行的实际字形笔画上；负点位于三个灯泡徽章和文字下方的外部背景，均不包含在目标内。"}},{"name":"Upper light bulb badge","description":"Yellow light bulb with a gray screw base inside a white circular badge, settling above and to the right of the custom suggestions text.","membership":"Include the white disk, its circular boundary, and enclosed bulb. Exclude the external blue glow and background.","id":"obj_012","temporal":{"status":"found","start_s":2.5,"end_s":4.75,"reference_s":3.5,"evidence":"目标为白色圆盘内带灰色螺口的黄色灯泡，随后移动至“CUSTOM SUGGESTIONS”文字右上方，不包括外围蓝光。首个合格帧为2.50秒：徽章结构完整，正旋转移动；2.25秒仅有“SMART LOGISTICS”文字。最后合格帧为4.50秒，4.75秒已替换为红色图钉徽章。选择3.50秒作为关键帧，此时目标清晰、无遮挡，且与另外两个灯泡徽章分离。","start_frame":60,"end_frame":114,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[610.9,141.7,705.2,309.3],"positive_points":[[625,218.5],[691.7,227.8],[656.3,158.3],[656.3,292.6],[657.8,205.6],[657.8,264.8]],"negative_points":[[588.5,222.2],[726.6,222.2],[656.3,101.9],[656.3,350.9]],"evidence":"目标是文字上方偏右的灯泡徽章，白色圆盘内有黄色灯泡和灰色螺口。边界框紧贴白色圆盘，包含圆形边界及内部灯泡，不含外围蓝光。正点分布在圆盘四周、灯泡和螺口上；负点位于圆盘外侧的蓝光及背景中。"}},{"name":"Lower-left light bulb badge","description":"Small white circular badge containing a yellow bulb, positioned below and left of the custom suggestions statement.","membership":"Include the disk and enclosed bulb, following the circular boundary. Exclude its blue halo and surrounding background.","id":"obj_013","temporal":{"status":"found","start_s":2.75,"end_s":4.75,"reference_s":3.5,"evidence":"目标是自定义建议文字左下方的小型白色圆盘及其中的黄色灯泡，不包含蓝色光晕。首个完整呈现帧为2.75秒，最后符合条件的帧为4.50秒；此前2.50秒仅见中央重叠的过渡徽章，尚未形成独立的左下角目标，之后4.75秒已替换为红色图钉徽章。选择3.50秒作为关键帧，因为圆盘和灯泡轮廓清晰、无遮挡，且容易与另外两个徽章区分。","start_frame":66,"end_frame":114,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[111.9,648.1,192.7,792.6],"positive_points":[[128.1,702.8],[151.6,693.5],[175,710.2],[152.1,751.9],[166.1,768.5],[125.5,740.7]],"negative_points":[[98.4,719.4],[152.1,618.5],[210.4,722.2],[151,821.3]],"evidence":"目标是文字左下方含黄色灯泡的小白色圆形徽章。边界框紧贴白色圆盘，包含盘内灯泡但不含蓝色光晕。六个正点分布在灯泡及圆盘各处，四个负点位于圆盘外的光晕或背景上。"}},{"name":"Lower-right light bulb badge","description":"Largest of the three white bulb badges, positioned below and right of the custom suggestions statement.","membership":"Include the white circular surface and yellow bulb with gray base. Exclude external glow and adjacent text.","id":"obj_014","temporal":{"status":"found","start_s":2.75,"end_s":4.75,"reference_s":3.5,"evidence":"目标是建议文字右下方最大的白色圆形徽章，内含黄色灯泡和灰色底座，不含外部蓝色光晕。首个完整呈现帧为2.75秒，最后 qualifying 帧为4.50秒；此前2.50秒的徽章仍在中央重叠显现，尚未形成可清楚辨认的独立目标，之后4.75秒已替换为红色图钉徽章。选择3.50秒作为关键帧，此时目标轮廓清晰、无遮挡，与另外两个较小徽章容易区分。","start_frame":66,"end_frame":114,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[796.9,708.3,904.7,900],"positive_points":[[814.6,788],[841.1,728.7],[890.6,787],[867.2,873.1],[850,781.5],[851,852.8]],"negative_points":[[776,796.3],[927.1,804.6],[850,666.7],[755.2,531.5]],"evidence":"目标是文字右下方最大的白色圆形灯泡徽章。边界框紧贴白色圆面，包含黄色灯泡及灰色底座，不含外部蓝色光晕。正点分布于圆面、灯泡和底座；负点位于圆外背景及上方文字上。"}},{"name":"PUDO geolocation title","description":"White two-line title progressively revealed as “PUDO GEOLOCATION” at the center of the red-pin presentation.","membership":"Include the complete title text only. Exclude the surrounding pin badges.","id":"obj_015","temporal":{"status":"found","start_s":5.0,"end_s":6.25,"reference_s":5.5,"evidence":"目标是红色图钉展示中央的白色两行文字“PUDO GEOLOCATION”，不含周围徽章。5.00秒首次完整显示，6.00秒为最后合格帧；前一帧4.75秒仅显示“PUDO”，文字揭示尚未完成，后一帧6.25秒标题已消失并切换为钻石图标。选择5.50秒作为关键帧，标题完整清晰且无遮挡。","start_frame":120,"end_frame":150,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[358.9,434.3,639.6,558.3],"positive_points":[[364.6,458.3],[398.4,475.9],[469.8,457.4],[362.5,535.2],[447.4,535.2],[635.4,534.3]],"negative_points":[[670,210],[168,688],[852,749],[520,650]],"evidence":"图像中央的白色两行文字为“PUDO GEOLOCATION”。边界框紧贴完整标题，涵盖两行及其间距，不包含周围图钉徽章。六个正点分布在两行字母的实际笔画上；负点位于三个图钉徽章及标题下方的外部背景。"}},{"name":"Upper geolocation pin badge","description":"White circular badge above and right of the PUDO geolocation title, containing a red spherical pin head and a straight silver stem.","membership":"Include the circular disk and its enclosed pin. Exclude the external blue halo and background.","id":"obj_016","temporal":{"status":"found","start_s":4.75,"end_s":6.25,"reference_s":5.25,"evidence":"目标是“PUDO GEOLOCATION”标题右上方的白色圆盘及其中的红色球头、银色直杆图钉，不包括外部蓝色光晕。首个合格帧为4.75秒，圆盘与图钉结构已完整；最后合格帧为6.00秒。前一帧4.50秒该位置仍是灯泡徽章，后一帧6.25秒已替换为中央钻石徽章。选择5.25秒作为关键帧，目标清晰完整、无遮挡，且与下方两个图钉徽章容易区分。","start_frame":114,"end_frame":150,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[609.4,175.0,704.7,344.4],"positive_points":[[656.3,223.1],[656.3,300.9],[622.4,254.6],[690.1,259.3],[635.4,197.2],[671.9,321.3]],"negative_points":[[593.8,245.4],[724.0,259.3],[656.3,138.9],[656.3,377.8]],"evidence":"目标是标题右上方含红色球形针头和银色直杆的白色圆形徽章。边界框紧贴白色圆盘，包含内部定位针，不包含外部蓝色光晕。正点分布在针头、针杆和圆盘表面，负点位于圆盘外侧的光晕及背景。"}},{"name":"Lower-left geolocation pin badge","description":"Small white circular badge below and left of the PUDO geolocation title, containing a red-headed silver pin.","membership":"Include the disk’s boundary, white surface, and complete enclosed pin. Exclude external glow.","id":"obj_017","temporal":{"status":"found","start_s":4.75,"end_s":6.25,"reference_s":5.5,"evidence":"目标是“PUDO GEOLOCATION”标题左下方的小白色圆盘，内含红头银杆定位针，不包含外围蓝色光晕。4.75秒圆盘及完整定位针已出现，虽有运动模糊仍结构完整；最后符合帧为6.00秒。前一帧4.50秒该处仍是灯泡徽章，后一帧6.25秒已切换为钻石徽章动画。选择5.50秒作为关键帧，目标边界和针形清晰、无遮挡，易与另外两个徽章区分。","start_frame":114,"end_frame":150,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[128.1,638.0,208.9,782.4],"positive_points":[[167.7,684.3],[168.2,740.7],[142.7,699.1],[193.8,713.0],[155.7,760.2],[181.8,663.0]],"negative_points":[[115.1,711.1],[168.2,612.0],[224.0,714.8],[669.3,208.3]],"evidence":"目标是标题左下方的小型白色圆形定位徽章。边界框紧贴白色圆盘，包含圆盘边界、白色表面及完整红头银杆图钉，不包含外部蓝色光晕。六个正点分布于白色表面、红色针头和银色针杆；负点位于圆盘外的背景或光晕，以及上方另一枚图钉。"}},{"name":"Lower-right geolocation pin badge","description":"Large white circular badge below and right of the PUDO geolocation title, containing a red ball-headed pin.","membership":"Include the white disk and enclosed red-and-silver pin. Exclude the surrounding blue glow and title.","id":"obj_018","temporal":{"status":"found","start_s":4.75,"end_s":6.25,"reference_s":5.5,"evidence":"目标为“PUDO GEOLOCATION”标题右下方较大的白色圆盘及其中红头银杆定位针，不含蓝色光晕。首个合格帧为4.75秒，徽章结构已完整，虽有运动模糊仍可辨认；最后合格帧为6.00秒。此前4.50秒对应位置仍是灯泡徽章，此后6.25秒已切换为中央钻石徽章。选择5.50秒作为关键帧，目标清晰完整、无遮挡，且与其他较小徽章易于区分。","start_frame":114,"end_frame":150,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[797.9,691.7,905.2,883.3],"positive_points":[[816.7,786.1],[830.2,842.6],[883.3,803.7],[849.0,741.7],[851.0,827.8],[874.0,719.4]],"negative_points":[[925.0,800.0],[776.0,779.0],[851.0,918.0],[670.3,208.3]],"evidence":"目标是标题右下方的大型白色圆形徽章，内有红色球头和银色针杆。边界框紧贴白色圆盘外缘，不含蓝色光晕。六个正点分布在白盘、红球和银色针杆上；负点位于圆盘外的蓝色背景及上方另一枚徽章上。"}},{"name":"Favorite PUDO service title","description":"White two-line title reading “FAVORITE PUDO SERVICE”, replacing the geolocation statement.","membership":"Include the full title text as revealed. Exclude the diamond badges.","id":"obj_019","temporal":{"status":"found","start_s":6.75,"end_s":7.5,"reference_s":7.0,"evidence":"目标为白色两行标题“FAVORITE / PUDO SERVICE”，不含周围钻石徽章。6.75秒首次完整显示，7.25秒仍完整可见；此前6.50秒仅显示“FAVORITE / PUDO”，文字尚未揭示完毕，之后7.50秒已替换为“TOP GLOBAL RETAILERS TRUSTING US”。选择7.00秒作为关键帧，标题清晰且无遮挡。","start_frame":162,"end_frame":180,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[361,430.6,639.6,552.8],"positive_points":[[364.6,453.7],[467.7,444.4],[527.6,453.7],[364.6,530.6],[486.5,518.5],[623.4,535.2]],"negative_points":[[674.5,206.5],[168.2,696.3],[854.7,772.2],[500,650]],"evidence":"目标是画面中央白色两行标题“FAVORITE / PUDO SERVICE”。边界框紧贴完整标题，包含字符及行间空隙，不包含钻石徽章。六个正点分布在两行文字的实际笔画上；负点位于三个钻石徽章和标题下方的外部背景。"}},{"name":"Upper diamond badge","description":"White circular badge above and right of the favorite PUDO service title, containing a faceted cyan diamond.","membership":"Include the circular white disk and enclosed diamond facets. Exclude external blue glow.","id":"obj_020","temporal":{"status":"found","start_s":6.5,"end_s":7.5,"reference_s":7.0,"evidence":"目标是“FAVORITE PUDO SERVICE”标题右上方的白色圆盘及其中的青色切面钻石，不含外部蓝光。首个合格帧为6.50秒，最后为7.25秒；7.25秒虽有运动模糊，徽章仍完整可见。此前6.25秒图标在中央重叠过渡，尚未形成可明确区分的右上方徽章；此后7.50秒已切换为零售商标题，徽章消失。选择7.00秒作为关键帧，圆盘与钻石轮廓清楚且无遮挡。","start_frame":156,"end_frame":180,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[627.6,122.2,721.9,290.7],"positive_points":[[671.9,139.8],[637.5,200.9],[712.5,203.7],[674.5,275.9],[662.0,200.0],[684.9,212.0]],"negative_points":[[674.5,96.3],[605.2,208.3],[742.7,208.3],[674.5,328.7]],"evidence":"目标是标题右上方、内含青色切面钻石的白色圆形徽章。边界框紧贴白色圆盘，包含内部钻石，不包含外围蓝色光晕。六个正点分布于圆盘和钻石切面，四个负点位于圆盘上、下、左、右的外部光晕或背景。"}},{"name":"Lower-left diamond badge","description":"Small white circular badge below and left of the favorite PUDO service title, containing a cyan faceted diamond.","membership":"Include the disk and its complete diamond illustration. Exclude the external glow and background.","id":"obj_021","temporal":{"status":"found","start_s":6.5,"end_s":7.5,"reference_s":7.0,"evidence":"目标是“FAVORITE PUDO SERVICE”标题左下方的小白色圆盘，内含青色切面钻石，不包括外部光晕。首个合格帧为6.50秒，圆盘和钻石已完整呈现；此前6.25秒仅见中央重叠的过渡图形，左下徽章尚未独立建立。最后合格帧为7.25秒，虽有运动模糊但结构仍完整；7.50秒已替换为“TOP GLOBAL RETAILERS TRUSTING US”文字。选择7.00秒作为关键帧，因为徽章清晰、无遮挡且易于与其他徽章区分。","start_frame":156,"end_frame":180,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[127.6,625,208.3,768.5],"positive_points":[[166.7,641.7],[138,686.1],[165.6,696.3],[184.9,675.9],[167.2,750.9],[199,720.4]],"negative_points":[[109.4,694.4],[167.7,592.6],[224,708.3],[673.4,204.6]],"evidence":"目标是标题左下方含青色钻石的小白色圆形徽章。边界框紧贴白色圆盘，包含完整钻石，不含外部蓝色光晕。六个正点分布在白色盘面及钻石上；负点位于徽章外部背景、光晕和上方另一枚徽章上。"}},{"name":"Lower-right diamond badge","description":"Large white circular badge below and right of the favorite PUDO service title, containing a cyan faceted diamond.","membership":"Include the white circular surface, boundary, and enclosed diamond. Exclude external glow and adjacent text.","id":"obj_022","temporal":{"status":"found","start_s":6.5,"end_s":7.5,"reference_s":7.0,"evidence":"目标是“FAVORITE PUDO SERVICE”标题右下方、内含青色切面钻石的大白色圆形徽章，不含外部光晕。首个合格帧为6.50秒，最后为7.25秒；7.25秒虽有运动模糊，圆面与钻石仍完整。此前6.25秒仅见中央重叠的过渡图形，右下徽章尚未独立完整呈现；此后7.50秒已切换为文字页面，徽章消失。选择7.00秒，因徽章轮廓及钻石清晰，与其他徽章容易区分。","start_frame":156,"end_frame":180,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[800,676,907.8,867.6],"positive_points":[[823.4,731.5],[854.2,695.4],[895.3,771.3],[853.1,784.3],[833.3,823.1],[868.8,838.9]],"negative_points":[[674,206],[168,696],[502,529],[941,779]],"evidence":"目标是标题右下方、内含青色切面钻石的大白色圆形徽章。边界框紧贴白色圆面外缘，不包含外部蓝色光晕。六个正点分布在白色圆面及内部钻石上；负点位于另外两个徽章、标题文字和右侧外部背景。"}},{"name":"Retailer trust title","description":"Large centered white title in three lines reading “TOP GLOBAL RETAILERS TRUSTING US”.","membership":"Include the complete three-line text block. Exclude the background and subsequent retailer cards.","id":"obj_023","temporal":{"status":"found","start_s":7.5,"end_s":8.75,"reference_s":8.0,"evidence":"目标为居中白色三行标题“TOP GLOBAL / RETAILERS / TRUSTING US”。7.50秒首次完整显示，8.50秒为最后一个符合条件的帧；此前7.25秒显示“FAVORITE PUDO SERVICE”及钻石图标，此后8.75秒已替换为移动中的零售商卡片。选择8.00秒作为关键帧，标题完整清晰且无遮挡。","start_frame":180,"end_frame":210,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[278.1,319.4,717.7,668.5],"positive_points":[[297,361],[677,389],[322.4,493.5],[562.5,463],[300.5,621.3],[639.6,633.3]],"negative_points":[[200,480],[805,480],[480,230],[510,770]],"evidence":"图像中央的白色三行标题依次为“TOP GLOBAL”“RETAILERS”“TRUSTING US”，与目标一致。边界框紧贴完整三行文字，包含字间与行间空隙；六个正点分布在三行的实际字形笔画上，四个负点位于标题四周的蓝紫色外部背景。"}},{"name":"evzuttya.com.ua retailer card","description":"White rounded-square retailer card with the green “evzuttya.com.ua” wordmark, at the left of the upper logo row.","membership":"Include the card’s white surface, rounded boundary, and enclosed wordmark. Preserve this extent as the row moves and the card becomes fully visible.","id":"obj_024","temporal":{"status":"found","start_s":9.75,"end_s":13.75,"reference_s":11.0,"evidence":"目标为上排左侧带绿色“evzuttya.com.ua”字样的白色圆角卡片。9.75秒首次完整显示卡片表面及圆角边界，随后随整排移动，至13.50秒仍完整可见；前一帧9.50秒左边界仍被画面裁切，后一帧13.75秒已切换为箭头标志，卡片消失。选择11.00秒作为关键帧，卡片边界和字样清晰、无遮挡。","start_frame":234,"end_frame":330,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[37,169.4,200.5,459.3],"positive_points":[[54,195],[180,199],[73,312],[149,315],[56,428],[180,431]],"negative_points":[[119,130],[119,502],[290,312],[470,311]],"evidence":"目标是上排左侧带绿色“evzuttya.com.ua”字样的白色圆角卡片。边界框覆盖完整卡片表面、圆角边界和内部字标；六个正点分布于字标及卡片四周白色表面，四个负点位于卡片上下的外部背景及右侧其他品牌卡片。"}},{"name":"TEMU retailer card","description":"Upper-row white rounded card containing an orange rounded-square TEMU logo with white merchandise symbols and lettering.","membership":"Include the full white card, its rounded boundary, and all enclosed orange-and-white logo content. Exclude adjacent cards.","id":"obj_025","temporal":{"status":"found","start_s":9.25,"end_s":13.75,"reference_s":10.5,"evidence":"目标是上排内含橙色 TEMU 标志及白色商品符号、字母的白色圆角卡片，不包括相邻卡片。首个合格帧为9.25秒，卡片及边界已完整入镜；前一帧9.00秒该卡片仍被左侧画面边界裁切。最后合格帧为13.50秒，13.75秒已切换为箭头标志，卡片消失。选择10.50秒作为关键帧，此时卡片完整清晰、无遮挡，易与邻近卡片区分。","start_frame":222,"end_frame":330,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[200,169.4,363.5,459.3],"positive_points":[[219.8,208.3],[339.1,225],[260.4,289.8],[298.4,349.1],[221.4,412],[335.9,417.6]],"negative_points":[[105,314],[458,315],[281,125],[282,503]],"evidence":"目标为上排含橙色 TEMU 标志的白色圆角卡片。边界框紧贴整张卡片，包含白色表面、圆角边界及全部标志内容；正点分布在卡片表面和橙色标志上，负点位于左右相邻卡片及目标上下的外部背景。"}},{"name":"MAKEUP retailer card","description":"Upper-row white rounded card reading “MAKEUP” with the smaller tagline “BEAUTY WITHOUT LIMITS”.","membership":"Include the card surface, rounded boundary, main wordmark, and tagline. Exclude neighboring cards and background.","id":"obj_026","temporal":{"status":"found","start_s":9.0,"end_s":13.75,"reference_s":11.0,"evidence":"目标是上排含“MAKEUP”及小字“BEAUTY WITHOUT LIMITS”的白色圆角卡片。9.00秒首次可见完整且可辨认的卡片边界，虽在移动仍符合条件；此前8.75秒仅见模糊横带，独立卡片结构尚未清楚呈现。最后合格帧为13.50秒，13.75秒卡片已消失并切换为白色箭头标志。选择11.00秒作为关键帧，卡片及两行文字清晰、无遮挡，易与邻卡区分。","start_frame":216,"end_frame":330,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[390.6,169.4,553.6,459.3],"positive_points":[[414,210],[526,219],[422,307],[493,339],[414,421],[529,415]],"negative_points":[[295,314],[642,313],[476,126],[477,505]],"evidence":"目标是上排写有“MAKEUP”及小字“BEAUTY WITHOUT LIMITS”的白色圆角卡片。边界框紧贴整张卡片，包含表面、圆角边界和两行文字。正点分布在卡片各部及文字上；负点位于左右相邻卡片和目标上下的深色背景。"}},{"name":"NOTINO retailer card","description":"Upper-row white rounded card displaying the black “NOTINO” wordmark, between MAKEUP and NEXT.","membership":"Include the complete white card and enclosed wordmark. Exclude adjacent cards.","id":"obj_027","temporal":{"status":"found","start_s":9.0,"end_s":13.75,"reference_s":10.0,"evidence":"目标是上排位于 MAKEUP 与 NEXT 之间、含黑色“NOTINO”字样的白色圆角卡片。首个符合条件的帧为9.00秒，最后为13.50秒；8.75秒仍是横向模糊的入场画面，无法辨认目标完整独立边界，13.75秒已切换为箭头标志，卡片消失。选择10.00秒作为关键帧，此时卡片及字样清晰完整，与相邻卡片分隔明确。","start_frame":216,"end_frame":330,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[539.6,169.4,703.1,460.2],"positive_points":[[558,202],[679,215],[568,313],[655,313],[569,396],[680,420]],"negative_points":[[450,310],[789,313],[620,128],[630,498]],"evidence":"目标为上排位于 MAKEUP 与 NEXT 之间、印有黑色 NOTINO 字样的白色圆角卡片。边界框覆盖完整卡片及内部字标；正点分布在卡片表面和字标上，负点位于左右相邻卡片及目标上下的外部背景。"}},{"name":"NEXT retailer card","description":"Upper-row white rounded card displaying the black “NEXT” wordmark, to the right of NOTINO.","membership":"Include the rounded card surface and all enclosed lettering. Exclude background and other cards.","id":"obj_028","temporal":{"status":"found","start_s":9.0,"end_s":13.75,"reference_s":10.0,"evidence":"目标是上排位于 NOTINO 右侧、内含黑色“NEXT”字样的白色圆角卡片。9.00秒首次可辨认完整卡面及边界，13.50秒为最后 qualifying 帧；此前8.75秒仍是横向模糊的入场条带，无法辨清完整独立卡片，之后13.75秒已切换为箭头标志，卡片消失。选择10.00秒作为关键帧，因为卡面和文字清晰完整，且无遮挡。","start_frame":216,"end_frame":330,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[716.7,169.4,879.7,459.3],"positive_points":[[734.4,210.2],[851.6,215.7],[760.4,314.8],[830.2,312.0],[744.3,411.1],[854.2,408.3]],"negative_points":[[791.7,115.7],[796.9,499.1],[619.8,318.5],[942.7,361.1]],"evidence":"目标是上排 NOTINO 右侧带黑色“NEXT”字样的白色圆角卡片。边界框紧贴整张卡片，包含白色表面和全部文字；正点分布于卡面及字样，负点位于卡片上下的背景和左右相邻的其他卡片。"}},{"name":"4F retailer card","description":"White rounded card at the right end of the visible upper row, containing the stylized black “4F” logo.","membership":"Include the card surface, rounded boundary, and logo, including its visible portion when cropped by the image edge. Exclude neighboring cards.","id":"obj_029","temporal":{"status":"found","start_s":9.0,"end_s":9.5,"reference_s":9.25,"evidence":"目标是上排靠右、带黑色“4F”标志的白色圆角卡片。9.00秒首次可明确辨认完整卡面及边界，9.25秒为最后完整呈现帧；此前8.75秒处于模糊的横向转场，卡片边界尚不清楚，之后9.50秒卡片向右离场并开始被画面边缘裁切，故按离场裁切规则结束。选择9.25秒，标志清楚且卡片完整，便于区别相邻卡片。","start_frame":216,"end_frame":228,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[804,169,969,460],"positive_points":[[824,206],[946,219],[866,315],[902,306],[831,420],[946,427]],"negative_points":[[710,312],[878,124],[885,501],[918,676]],"evidence":"目标是上排右侧带黑色“4F”标志的白色圆角卡片。边界框覆盖完整卡面、圆角边界和标志，不含相邻卡片。六个正点分布于卡面及标志上；负点位于左邻NEXT卡片、卡片上下的外部背景及下排其他卡片。"}},{"name":"CROPP retailer card","description":"Partly cropped white retailer card at the far left of the initial lower logo row, carrying the black “CROPP” wordmark before sliding out.","membership":"Include the visible portion of the rounded white card and its logo. Exclude the neighboring MANGO card and background.","id":"obj_030","temporal":{"status":"found","start_s":9.0,"end_s":9.25,"reference_s":9.0,"evidence":"目标是下排 MANGO 左侧、带黑色“CROPP”字标的白色圆角卡片。9.00 秒是首个也是最后一个完整呈现的采样帧，故选作关键帧。前一帧 8.75 秒仍处于横向模糊转场，目标自身边界尚未清楚建立；后一帧 9.25 秒卡片向左离场，已被画面左边界裁切。","start_frame":216,"end_frame":222,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[123,541,293,832],"positive_points":[[148,579],[264,585],[164,683],[241,686],[149,790],[260,789]],"negative_points":[[383,690],[63,693],[206,322],[209,874]],"evidence":"目标是下排带黑色“CROPP”字样的白色圆角卡片，位于MANGO卡片左侧；本帧中基本完整可见。边框覆盖整张卡片及其标志。正点分布在白色卡面和字标上，负点位于右侧MANGO、左侧其他卡片、上排卡片及下方背景。"}},{"name":"MANGO retailer card","description":"Lower-row white rounded card containing the black “MANGO” wordmark, initially beside CROPP and later moving toward the left edge.","membership":"Include the complete card surface, rounded boundary, and wordmark, restricted to the visible portion when cropped. Exclude adjacent cards.","id":"obj_031","temporal":{"status":"found","start_s":9.0,"end_s":11.25,"reference_s":9.75,"evidence":"目标是下排带黑色“MANGO”字样的白色圆角卡片，位于 CROPP 与 CAINIAO 之间。9.00 秒首次完整呈现，11.00 秒仍完整可见；此前 8.75 秒为模糊条带式入场，卡片边界尚未清晰建立，之后 11.25 秒卡片开始从左边缘移出并被裁切。选择 9.75 秒作为关键帧，卡片和字标清楚、无遮挡，便于与相邻卡片区分。","start_frame":216,"end_frame":270,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[53.1,541.7,216.7,831.5],"positive_points":[[75,575],[188,587],[85,686],[180,686],[77,791],[190,791]],"negative_points":[[21,648],[250,676],[130,495],[130,875]],"evidence":"目标是下排偏左、印有黑色“MANGO”字样的白色圆角卡片。边界框覆盖完整卡面、圆角边界和字标；六个正点分布于卡面上中下部，四个负点位于左右相邻卡片及目标上下方的深色背景。"}},{"name":"CAINIAO retailer card","description":"Lower-row white rounded card carrying the stylized black CAINIAO logo arranged across two lines.","membership":"Include the white card, rounded boundary, and all enclosed logo lettering. Exclude other retailer cards.","id":"obj_032","temporal":{"status":"found","start_s":9.0,"end_s":13.75,"reference_s":10.5,"evidence":"目标是下排带两行黑色 CAINIAO 标志的白色圆角卡片，包含卡片边界及内部字样。首个完整可辨的合格帧为9.00秒，最后为13.50秒；此前8.75秒仍是横向模糊的入场白带，目标独立边界尚未清楚建立，之后13.75秒已切换为白色箭头标志。选择10.50秒作为关键帧，卡片完整清晰、无遮挡，易与邻近零售商卡片区分。","start_frame":216,"end_frame":330,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[202.6,541.7,366.1,831.5],"positive_points":[[221,581],[342,585],[248,663],[311,711],[223,788],[341,786]],"negative_points":[[140,686],[446,686],[282,497],[282,880]],"evidence":"目标为下排带两行黑色 CAINIAO 标志的白色圆角卡片，位于 MANGO 与 iHerb 卡片之间。边界框覆盖完整白色卡面、圆角边界及内部字样；正点分布于卡面各处和标志上，负点位于左右其他卡片及目标上下的外部背景。"}},{"name":"iHerb retailer card","description":"Lower-row white rounded card containing the green “iHerb” wordmark and small registration mark.","membership":"Include the complete card surface and enclosed logo, including the registration mark. Exclude surrounding background and neighboring cards.","id":"obj_033","temporal":{"status":"found","start_s":9.0,"end_s":13.75,"reference_s":10.0,"evidence":"目标是下排包含绿色“iHerb”字样及注册标记的白色圆角卡片。首个合格帧为9.00秒，卡片表面和边界已完整出现；此前8.75秒仍是横向模糊的过渡条带，尚不能辨认完整目标卡片。最后合格帧为13.50秒，随后13.75秒卡片被品牌箭头画面替换。选择10.00秒为关键帧，此时卡片与标志清晰完整，无遮挡，易与相邻卡片区分。","start_frame":216,"end_frame":330,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[397.9,541.7,561,831.5],"positive_points":[[419,582],[538,589],[429,790],[539,788],[445,687],[512,689]],"negative_points":[[479,492],[481,881],[654,684],[301,688]],"evidence":"目标是下排中央带绿色“iHerb”字样及注册标记的白色圆角卡片。边界框紧贴整张卡片的可见外缘；正点分布在卡片白色表面和绿色标志上，负点位于卡片上下的外部背景及左右相邻卡片内。"}},{"name":"Sinsay retailer card","description":"Lower-row white rounded card displaying the black “sinsay” wordmark, to the right of iHerb.","membership":"Include the card’s surface, rounded boundary, and wordmark. Exclude adjacent cards.","id":"obj_034","temporal":{"status":"found","start_s":9.0,"end_s":13.75,"reference_s":10.5,"evidence":"目标为下排 iHerb 右侧、带黑色“sinsay”字标的白色圆角卡片。9.00 秒首次完整显示卡面、边界及字标，持续至 13.50 秒；前一帧 8.75 秒仍处于模糊的入场揭示，无法看到完整独立卡片，后一帧 13.75 秒已切换为箭头标志，卡片消失。选择 10.50 秒作为关键帧，目标清晰完整，与相邻卡片分隔明确。","start_frame":216,"end_frame":330,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[556.8,540.7,720.3,831.5],"positive_points":[[579,570],[689,577],[595,684],[675,690],[584,793],[692,799]],"negative_points":[[462,685],[809,680],[636,315],[545,704]],"evidence":"目标是下排位于 iHerb 右侧、印有黑色 sinsay 字样的白色圆角卡片。边界框紧贴整��卡片，包含白色表面、圆角边界和字标；正点分布于卡面及字标，负点位于相邻卡片、上方 NOTINO 卡片和卡片之间的背景。"}},{"name":"cosibella retailer card","description":"Lower-row white rounded card displaying the black “cosibella” wordmark, to the right of Sinsay.","membership":"Include the entire rounded white card and its enclosed lettering. Exclude neighboring cards and background.","id":"obj_035","temporal":{"status":"found","start_s":9.5,"end_s":13.75,"reference_s":11.0,"evidence":"目标是下排位于 Sinsay 右侧、印有黑色“cosibella”字样的白色圆角卡片。9.50 秒首次完整进入画面，持续可见至 13.50 秒；前一帧 9.25 秒卡片仍被右边界裁切，后一帧 13.75 秒零售商卡片已消失，切换为白色箭头标志。选择 11.00 秒作为关键帧，卡片边界及文字清晰，无遮挡，且与相邻卡片易于区分。","start_frame":228,"end_frame":330,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[715.1,541.7,878.6,831.5],"positive_points":[[733.9,579.6],[853.6,583.3],[787,686.1],[744.8,781.5],[845.3,784.3],[855.2,700]],"negative_points":[[620,685],[821,318],[948,690],[798,891]],"evidence":"目标是下排 Sinsay 右侧、印有黑色“cosibella”的白色圆角卡片。边界框紧贴整张卡片，包含白色表面和文字；六个正点分布在卡片各部及文字区域，四个负点位于相邻卡片和下方深色背景。"}},{"name":"MODIVO retailer card","description":"White rounded retailer card entering at the right of the lower row, with the black “MODIVO” wordmark becoming fully visible.","membership":"Include the card surface, rounded boundary, and wordmark throughout its entry and movement. Exclude adjacent cards.","id":"obj_036","temporal":{"status":"found","start_s":13.0,"end_s":13.75,"reference_s":13.5,"evidence":"目标是下排最右侧带黑色“MODIVO”字样的白色圆角零售商卡片。13.00秒首次完整进入画面，卡片表面、圆角边界及字样均可见；最后合格帧为13.50秒。此前12.75秒卡片右侧仍被画面边缘裁切，之后13.75秒已切换为箭头标志，卡片消失。选择13.50秒作为关键帧，因为卡片完整清晰，且与相邻卡片容易区分。","start_frame":312,"end_frame":330,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[816.7,642.6,980.2,933.3],"positive_points":[[840,680],[953,687],[854,782],[941,787],[846,898],[957,891]],"negative_points":[[721,788],[545,786],[897,596],[898,971]],"evidence":"目标是下排右侧带黑色“MODIVO”字标的白色圆角零售商卡片。边界框紧贴整张卡片，包含白色表面、圆角边界及字标。正点分布于卡片上、中、下部及字标区域；负点位于相邻卡片和目标上下方的深色背景，排除其他对象。"}},{"name":"Partnership contact text","description":"Centered invitation between the separated retailer rows: white “JOIN US:” above pink “MARKETING.INTERNATIONAL@MEEST.COM”.","membership":"Include both lines as one contact text block. Exclude the surrounding retailer cards and background.","id":"obj_037","temporal":{"status":"found","start_s":12.0,"end_s":13.75,"reference_s":12.5,"evidence":"目标是两排零售商品牌卡片之间的完整双行联系文字：白色“JOIN US:”及粉色“MARKETING.INTERNATIONAL@MEEST.COM”。首个合格帧为12.00秒，最后合格帧为13.50秒；此前11.75秒仅有品牌卡片，尚无联系文字，之后13.75秒已切换为白色箭头标志，文字消失。选择12.50秒作为关键帧，两行文字清晰完整、无遮挡。","start_frame":288,"end_frame":330,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[196.9,433.3,785.4,562],"positive_points":[[473,453.7],[522.9,450],[199.5,538],[374.5,538],[654.7,526],[781.8,540]],"negative_points":[[500,393.5],[500,601.9],[156.3,527.8],[828.1,513.9]],"evidence":"目标位于上下两排零售商卡片之间，由白色“JOIN US:”和粉色联系邮箱组成。边界框紧密覆盖两行完整文字及行间间隔；六个正点分布于两行文字的笔画上，四个负点位于文字块四周的外部背景，不包含零售商卡片。"}},{"name":"Meest brand logo","description":"White angular right-pointing brand symbol presented on its own after the retailer cards; it scales and moves before appearing at the end of the white “Meest” wordmark.","membership":"Include the solid parts of the angular symbol and the Meest lettering when revealed as the completed logo. Follow the actual shapes and preserve gaps and concavities; exclude background, transition fragments, and the separate slogan below.","id":"obj_038","temporal":{"status":"found","start_s":13.75,"end_s":20.0,"reference_s":16.0,"evidence":"目标是独立出现的白色向右角形符号，随后缩放、移动并成为完整 Meest 字标的一部分。13.75 秒首次显示完整符号；此前 13.50 秒仍是零售商卡片和联系信息。该标志持续至最后采样帧 19.75 秒，故结束时间为 20.0 秒，视频末尾无后续帧。16.0 秒的完整标志清晰、无遮挡，适合作为空间标注关键帧；不包含文字过渡碎片及下方独立标语。","start_frame":330,"end_frame":480,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[341.1,296.3,653.6,437.1],"positive_points":[[354,371],[440,380],[501,380],[573,419],[609,388],[645,339]],"negative_points":[[500,240],[500,490],[300,367],[700,367]],"evidence":"图中已显示完整的白色 Meest 品牌标志，右端带有向右的角形符号。边界框紧贴全部字母及角形符号；六个正点分布在五个字母和右侧符号的实心笔画上，四个负点位于标志外围的深蓝背景，避开字间空隙及内部孔洞。"}},{"name":"Final logistics call to action","description":"Two-line closing statement beneath the Meest logo: “TRANSFORM YOUR E-COMMERCE LOGISTICS – CONTACT US NOW!” The words “CONTACT US” change from white to pink.","membership":"Include the complete statement as progressively revealed and wrapped, retaining the same extent through recoloring. Exclude the Meest logo and background.","id":"obj_039","temporal":{"status":"found","start_s":17.25,"end_s":20.0,"reference_s":18.0,"evidence":"目标为 Meest 标志下方的两行完整结束语，不含标志和背景。17.25 秒首次完整显示“TRANSFORM YOUR E-COMMERCE LOGISTICS – CONTACT US NOW!”，前一帧 17.00 秒仅显示至“LOGISTICS –”，文字揭示尚未完成。此后保留同一文字块，包括“CONTACT US”由白色变为粉色，最后合格帧为 19.75 秒，区间延至视频结尾 20.00 秒，无后续帧。选择 18.00 秒作为关键帧，文字完整清晰且粉色强调便于区分。","start_frame":414,"end_frame":480,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[166.7,560.2,828.1,689],"positive_points":[[178,568],[438,570],[757,583],[191,667],[531,674],[806,648]],"negative_points":[[461,383],[120,630],[877,637],[500,770]],"evidence":"目标是 Meest 标志下方的两行完整物流宣传语，其中“CONTACT US”为粉色。边界框覆盖两行文字及字符、行间空隙，不包含上方标志。六个正点分布在两行文字的实际笔画上；负点位于上方标志及文字左、右、下方的外部背景。"}}]}
+{"video_id":170,"video_type":"visual design and media animation","targets":[{"name":"MAGIC LINE title","description":"Large white, bold italic lettering revealed in two stacked lines on the opening red background.","membership":"Includes the letters of the complete title block as they appear. Excludes the red background, adjacent diagonal stroke, and brief sparkle effects.","id":"obj_001","temporal":{"status":"found","start_s":1.0,"end_s":2.0,"reference_s":1.25,"evidence":"目标是红底上分两行排列的白色粗体斜体“MAGIC LINE”字母，不含斜线和闪光装饰。首个完整呈现帧为1.00秒，0.75秒的“LINE”仍在揭示、字形不完整；最后合格帧为1.75秒，2.00秒已切换为灰底图案，标题消失。选择1.25秒作关键帧，标题字形完整清晰且无遮挡。","start_frame":24,"end_frame":48,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[347.4,344.4,677.6,657.4],"positive_points":[[390.6,407.4],[504.2,435.2],[627.6,447.2],[363.5,578.7],[458.9,538],[525.5,638]],"negative_points":[[623.4,573.1],[520.8,277.8],[312.5,500],[494.8,740.7]],"evidence":"目标是红色背景中央分两行排列的白色粗斜体“MAGIC LINE”。边界框紧贴完整标题文字，不包含右下方独立斜线。六个正点分布在两行字母的实心笔画上；负点位于标题外的红色背景及明确排除的相邻斜线上。"}},{"name":"Gear heart","description":"Multicolored outlined cogwheels arranged into a large heart-shaped pattern on the light gray background.","membership":"Includes all cogwheel outlines and their enclosed interiors as one coherent heart pattern. Excludes the open space between the wheels and the separate red heart outline that subsequently appears.","id":"obj_002","temporal":{"status":"found","start_s":2.75,"end_s":4.0,"reference_s":3.25,"evidence":"目标是浅灰背景上由多色空心齿轮组成的心形图案，不含随后出现的红色心形轮廓。首个合格帧为2.75秒，所有齿轮均已完整绘制；此前2.50秒仍为未完成的齿轮线段。最后合格帧为3.75秒，4.00秒齿轮已开始被擦除，同时出现红色心形底部线条。选择3.25秒作为关键帧，齿轮心形完整清晰、无遮挡，便于标注。","start_frame":66,"end_frame":96,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[303.1,218.5,696.4,783.3],"positive_points":[[395.3,265.7],[601,265.7],[330.2,400],[669.8,400],[430.2,598.1],[500,735.2]],"negative_points":[[260,463],[740,463],[500,167],[500,861]],"evidence":"目标是由多色轮廓齿轮组成的心形图案，边界框紧贴所有齿轮的最外缘。六个正点分布在顶部两侧、左右外侧及下部齿轮的内部；四个负点位于整个图案外围的浅灰背景，避开齿轮内部和轮间空隙。"}},{"name":"Heart and services network","description":"A red outline heart initially presented large, then reduced at the center of six colored spokes ending in circular service symbols: a house, a person with a cane, a childlike figure, a hand, a microscope, and a head containing gears.","membership":"Includes the red heart boundary and enclosed area, connecting spokes, and the six circular nodes with their boundaries and contents as they develop. Follows the actual shapes rather than filling the spaces between branches. Excludes the preceding multicolored gear pattern and the background.","id":"obj_003","temporal":{"status":"found","start_s":6.25,"end_s":8.0,"reference_s":6.5,"evidence":"目标为中央红色轮廓心形及六条彩色连线、六个圆形服务图标组成的整体。6.25秒首次所有成员均完整呈现；此前6.00秒房屋、含齿轮的头部等图标仍在绘制。最后合格帧为7.75秒，8.00秒图标内容、圆环及心形开始被擦除。选择6.50秒作为关键帧，整体结构清晰、无遮挡，六个节点均易于区分。","start_frame":150,"end_frame":192,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[232.3,145.4,768.2,856.5],"positive_points":[[500,493],[336.5,170],[268,501],[730,536],[336.5,813],[663,832]],"negative_points":[[490,237],[405,751],[591,748],[803,501]],"evidence":"目标是中央红色轮廓心形及其连接的六个圆形服务节点。边界框紧贴整个网络的最外缘，涵盖心形、连线及全部节点。正点分布在心形内部和房屋、持杖人物、显微镜、儿童、手掌图案上；负点位于分支之间及网络右侧的外部背景，避开各轮廓包围的区域。"}},{"name":"magiclinesjd.org address","description":"Red lowercase website address progressively revealed inside a white rounded capsule on a red background.","membership":"Includes only the address lettering. Excludes the white capsule and surrounding red field.","id":"obj_004","temporal":{"status":"found","start_s":9.75,"end_s":10.5,"reference_s":10.0,"evidence":"目标为红底白色圆角胶囊内的红色小写地址“magiclinesjd.org”，仅包含字母。9.75秒首次完整显示，最后合格帧为10.25秒；前一帧9.50秒仍为未完成的“magiclinesjd.o_”，后一帧10.50秒已切换为人物行进画面，地址消失。选择10.00秒作为关键帧，文字完整清晰，且无旁侧闪光装饰干扰。","start_frame":234,"end_frame":252,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[361.5,460.2,660.4,539.8],"positive_points":[[364.1,503.7],[443.8,499.1],[476.0,490.7],[562.0,499.1],[606.8,500.0],[656.8,503.7]],"negative_points":[[338.5,500.0],[500.0,553.0],[280.0,500.0],[720.0,500.0]],"evidence":"目标是白色圆角胶囊内的红色小写网址“magiclinesjd.org”。边界框紧贴完整地址文字，包括字母下伸部分；六个正点分散落在不同字母的笔画上，负点位于文字外的白色胶囊表面及两侧红色背景，不包含字间空隙或字母内部孔洞。"}},{"name":"Orange-haired stroller pusher","description":"Tall smiling line-drawn participant with orange hair, first seen at the left of the procession pushing a baby carriage.","membership":"Includes the participant's head, hair, face, torso, arms, hands, and legs throughout walking poses. Excludes the carriage and other participants.","id":"obj_005","temporal":{"status":"found","start_s":10.5,"end_s":13.0,"reference_s":11.5,"evidence":"目标是队列中橙色头发、微笑并伸手推婴儿车的高个线描人物，不包括婴儿车。首个完整帧为10.50秒，最后完整帧为12.75秒，其间人物在行走姿态中持续完整可见。前一帧10.25秒仍是网址画面；后一帧13.00秒目标已移出左侧画面。选择11.50秒作为关键帧，人物全身清楚，与婴儿车及其他参与者容易区分。","start_frame":252,"end_frame":312,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[285.4,568.5,346.4,773.1],"positive_points":[[300,571.3],[322.4,622.2],[288.5,664.8],[312.5,666.7],[342.7,671.3],[309.9,744.4]],"negative_points":[[384.9,707.4],[227.6,677.8],[454.7,680.6],[362.5,592.6]],"evidence":"目标是画面左侧第二位、橙色头发且伸手推婴儿车的微笑人物。框覆盖其头发、头脸、躯干、双臂、手和腿，不包含婴儿车。正点分布在头发、面部、躯干、手臂、推车的手及腿上；负点位于婴儿车、相邻人物和外部背景。"}},{"name":"Baby carriage","description":"Black outlined baby carriage with a raised segmented canopy, handle, and small wheels, pushed by the orange-haired participant.","membership":"Includes the complete carriage body, canopy, handle, frame, wheels, and enclosed areas. Excludes the person pushing it and the ground line.","id":"obj_006","temporal":{"status":"found","start_s":10.5,"end_s":13.0,"reference_s":11.5,"evidence":"目标是橙色头发参与者推动的黑色轮廓婴儿车，包含分段顶篷、车身、把手、支架和小轮。首个合格帧为10.50秒，结构已完整；最后合格帧为12.75秒，移动中仍完整可见。前一帧10.25秒为网址画面，尚无婴儿车；后一帧13.00秒婴儿车已在左侧出画并被边界裁切。选择11.50秒作为关键帧，车体轮廓清晰，便于与推车者及地面线区分。","start_frame":252,"end_frame":312,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[344.8,655.6,408.9,773.1],"positive_points":[[349.5,672.2],[385.4,675.9],[399.5,691.7],[378.6,725.9],[364.1,764.8],[394.8,764.8]],"negative_points":[[310,659],[456,682],[420,632],[489,773]],"evidence":"目标是橙发人物右侧的黑色婴儿车。边界框覆盖车把、分段拱形车篷、车身、支架和两个小轮，不含推车人物及红色地面线。正点分布在车把、车篷内部、车身内部和车轮；负点位于人物、车外背景及远离车轮的地面线上。"}},{"name":"Gray-haired walker","description":"Smiling rectangular-bodied walking participant with swept gray hair, initially between the carriage and the wheelchair user.","membership":"Includes the complete person's hair, face, body, arms, hands, and legs. Excludes neighboring people, mobility equipment, and the ground line.","id":"obj_007","temporal":{"status":"found","start_s":10.5,"end_s":13.25,"reference_s":11.5,"evidence":"目标是婴儿车与轮椅使用者之间、留有侧梳灰发且面带微笑的矩形身体步行者。首个完整呈现帧为10.50秒，上一帧10.25秒仍是红底网址画面。最后合格帧为13.00秒，此时目标虽随队伍移向左侧，头发、身体及四肢仍完整可见；13.25秒已离开画面。选择11.50秒作为关键帧，目标结构清晰，与相邻人物和设备容易区分。","start_frame":252,"end_frame":318,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[429.2,592.6,478.1,772.2],"positive_points":[[453,595],[467,641],[475,686],[439,699],[445,754],[462,751]],"negative_points":[[387,705],[522,735],[544,634],[411,577]],"evidence":"目标是婴儿车与轮椅使用者之间、灰色侧梳头发的微笑步行者。边界框覆盖其头发、面部、矩形躯干、手臂、手和双腿，不含地面线。六个正点分布在头发、面部、躯干、手及双腿；负点位于婴儿车、轮椅、相邻人物头部和外部背景。"}},{"name":"Pink-haired wheelchair user","description":"Smiling seated participant with a pink ponytail, initially behind the flag bearer.","membership":"Includes the person's head, hair, facial features, torso, arms, and visible body parts. Excludes the wheelchair itself and neighboring participants.","id":"obj_008","temporal":{"status":"found","start_s":10.5,"end_s":13.25,"reference_s":12.5,"evidence":"目标是旗手后方微笑的粉色马尾坐姿参与者，仅包括人物身体，不包括轮椅。10.50秒首次完整出现，13.00秒仍完整可见；此前10.25秒是网址画面，之后13.25秒目标已移出画面，仅剩左缘的旗手。选择12.50秒作为关键帧，人物轮廓清晰，与相邻参与者容易区分。","start_frame":252,"end_frame":318,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[598.4,598.1,678.1,758.3],"positive_points":[[631.3,604.6],[647.9,637.0],[623.4,674.1],[640.6,680.6],[653.6,695.4],[674.5,753.7]],"negative_points":[[605.7,731.5],[663.5,771.3],[729.2,680.6],[591.7,684.3]],"evidence":"目标是旗手左后方、扎粉色马尾的微笑坐姿人物。框覆盖头发、头脸、躯干、手臂及可见腿脚，不包含轮椅整体。正点分布于头发、脸、躯干、手臂和脚部；负点位于轮椅轮缘、相邻旗手及人物左侧外部背景。"}},{"name":"Wheelchair","description":"Black line-drawn wheelchair supporting the pink-haired participant, with a large rear wheel, small front wheel, backrest, and foot support.","membership":"Includes the wheelchair frame, seat, backrest, wheels, foot support, and their enclosed areas. Excludes the seated person's body.","id":"obj_009","temporal":{"status":"found","start_s":10.5,"end_s":13.25,"reference_s":12.5,"evidence":"目标是粉红头发参与者所坐的黑色线描轮椅，可见大后轮、小前轮、椅架、靠背及脚踏，不包括人物身体。首个合格帧为10.50秒，轮椅已完整呈现；前一帧10.25秒仍是网址画面。最后合格帧为13.00秒，轮椅虽移至左侧但仍完整；13.25秒已离开画面。选择12.50秒作为关键帧，轮椅结构清晰且未被画面边缘裁切。","start_frame":252,"end_frame":318,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[603.6,657.4,678.6,773.1],"positive_points":[[622.4,731.5],[614.6,682.4],[662.5,759.3],[667.2,734.3],[649.5,718.5],[673.4,756.5]],"negative_points":[[639.6,630.6],[635.4,675.9],[553.1,685.2],[691.7,731.5]],"evidence":"目标是粉红头发人物乘坐的黑色线描轮椅。边界框覆盖靠背、座位、车架、大小车轮及脚托，不包含乘坐者身体。正点分布在这些轮椅部件及车轮内部；负点位于乘坐者头部和躯干、左侧人物以及轮椅右侧背景。"}},{"name":"Yellow-haired flag bearer","description":"Smiling walking participant with swept yellow hair, leading the procession while holding a tall flagpole.","membership":"Includes the person's hair, head, face, torso, arms, hands, and legs. Excludes the flag and pole.","id":"obj_010","temporal":{"status":"found","start_s":10.5,"end_s":13.25,"reference_s":12.5,"evidence":"目标是队伍最前方、黄色侧扫头发、微笑并握持高旗杆的行走人物，仅计人物本身，不含旗帜和旗杆。10.50秒首次完整出现，前一帧10.25秒仍是网址画面；13.00秒人物仍完整可见，13.25秒已在左侧出画并被边界裁切。选择12.50秒作为关键帧，人物全身清晰，与其他参与者分离，便于标注。","start_frame":252,"end_frame":318,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[693.8,595.4,760.9,773.1],"positive_points":[[726,598.1],[697.9,634.3],[744.3,649.1],[718.2,683.3],[757.3,690.7],[734.4,750.9]],"negative_points":[[739.6,470.4],[769.3,510.2],[625,735.2],[786.5,650.9]],"evidence":"目标是队伍最右侧黄发、微笑并握旗杆的步行人物。边界框覆盖头发、头脸、躯干、手臂、握杆的手及双腿，不包含旗帜和旗杆。正点分布在黄发、面部、手臂、手和腿的可见线条上；负点位于旗帜、上段旗杆、左侧轮椅及右侧外部背景。"}},{"name":"Procession flag","description":"Red outlined swallowtail flag on a long dark pole carried by the yellow-haired leader.","membership":"Includes the complete pole and flag boundary with the flag's enclosed area, following its notched outer edge. Excludes the bearer.","id":"obj_011","temporal":{"status":"found","start_s":10.5,"end_s":13.25,"reference_s":12.0,"evidence":"目标是黄发领队手持的红色燕尾旗及其深色长旗杆，不包括持旗者。10.50秒旗面边界和旗杆已完整呈现，前一帧10.25秒仍为网址画面；最后合格帧为13.00秒，13.25秒旗面已随队伍离场被左侧画面边界裁切。选择12.00秒作为关键帧，旗面缺口和完整旗杆清晰可辨，无遮挡。","start_frame":252,"end_frame":318,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[654.7,457.4,729.2,706.5],"positive_points":[[671.9,475],[705.7,505.6],[674,525.9],[727.6,463.9],[714.1,601.9],[707,664.8]],"negative_points":[[677.1,611.1],[677.1,680.6],[750,557.4],[645.8,495.4]],"evidence":"目标是黄发领队手持的红色燕尾旗。边界框覆盖完整旗面、红色轮廓和深色长旗杆，不含持旗者。正点分布在旗面内部及旗杆上；负点位于持旗者头部、躯干和旗帜外侧背景。"}},{"name":"4 A 20 shield","description":"Large dark outlined shield above the procession, progressively displaying the red text “4 A 20”.","membership":"Includes the shield outline, its enclosed surface, and the text inside it. Follows the scalloped top and pointed bottom. Excludes the procession below.","id":"obj_012","temporal":{"status":"found","start_s":11.25,"end_s":13.0,"reference_s":12.5,"evidence":"目标是队伍上方深色轮廓、波状顶部和尖底的盾牌，内部逐步出现红色“4 A 20”。11.25秒盾牌边界首次完整建立，内部文字尚在绘制不影响容器成立；前一帧11.00秒底部轮廓仍有缺口。最后合格帧为12.75秒，盾牌虽已左移但仍完整；13.00秒已被画面左边界裁切。选择12.50秒作为关键帧，此时轮廓和文字清晰完整、无遮挡。","start_frame":270,"end_frame":312,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[431.3,141.7,567.7,420.4],"positive_points":[[442.7,203.7],[549.5,203.7],[468.8,275],[519.3,275],[450,333.3],[502.6,388.9]],"negative_points":[[411.5,277.8],[588.5,277.8],[500,101.9],[411.5,629.6]],"evidence":"目标是队伍上方、内有红色“4 A 20”的深色轮廓盾牌。边界框紧贴盾牌的波形顶部、两侧及尖底，包含内部表面和文字。正点分布于盾牌内部及文字处；负点位于盾牌外的上方、左右背景和下方队伍人物上。"}},{"name":"Brown-haired walker","description":"Smiling participant with brown bobbed hair who enters behind the orange-haired stroller pusher.","membership":"Includes the complete person's hair, face, torso, arms, hands, and legs. Excludes the other participants and the ground line.","id":"obj_013","temporal":{"status":"found","start_s":11.25,"end_s":13.0,"reference_s":12.25,"evidence":"目标是橙发推婴儿车者后方、棕色齐耳短发且面带微笑的步行者。11.25秒首次完整显示头发、面部、躯干、双臂和双腿；此前11.00秒尚未出现。最后符合条件的是12.75秒，13.00秒已随队伍移出画面。选择12.25秒作为关键帧，此时人物完整清晰，与前后参与者分离，便于标注。","start_frame":270,"end_frame":312,"reference_frame":294},"grounding":{"status":"found","bbox_xyxy":[272.4,589.4,321.4,773.1],"positive_points":[[280.7,615.7],[310,639],[300,685],[282,701],[290.6,747.2],[305.6,756.5]],"negative_points":[[216,681],[381,655],[267,545],[300,809]],"evidence":"目标是画面左起第二位、位于橙发推婴儿车者后方的棕色短发微笑人物。边界框覆盖其头发、脸、躯干、手臂、手和双腿；正点分布于这些部位，负点位于左侧拄杖者、橙发人物及外部背景，不将其他人物或地面线纳入目标。"}},{"name":"Walker with cane","description":"Bald smiling line-drawn participant who enters at the rear of the procession, holding a walking cane.","membership":"Includes the complete person and the held cane throughout walking poses. Excludes neighboring walkers and the ground line.","id":"obj_014","temporal":{"status":"found","start_s":12.0,"end_s":13.0,"reference_s":12.5,"evidence":"目标是队伍最后方的光头微笑线描人物，手持拐杖，与前方推婴儿车及其他步行者区分明确。首个合格帧为12.00秒，人物和拐杖均完整可见；11.75秒尚未出现。最后合格帧为12.75秒，人物及拐杖仍完整在画面内；13.00秒已随队伍移出左侧，不再可见。选择12.50秒作为关键帧，人物与拐杖轮廓清晰，且未被邻近人物遮挡。","start_frame":288,"end_frame":312,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[217.7,600.9,277.1,772.2],"positive_points":[[244.8,603.7],[222.4,671.3],[244.3,686.1],[236.5,716.7],[231.8,743.5],[272.4,739.8]],"negative_points":[[192.7,688.9],[325.5,607.4],[296.9,773.1],[482.8,736.1]],"evidence":"目标是队伍最左侧的秃头微笑、持手杖人物。边界框紧贴其头部、躯干、双腿和手杖，不含红色地面线。六个正点分布在头顶、身体轮廓、手臂、腿和手杖上；负点位于左侧外部背景、邻近行人、远离目标的地面线及婴儿车上。"}},{"name":"Numbered route diagram","description":"An ascending red dashed route with four colored location pins labeled “40”, “30”, “20”, and “10”, replacing the procession as the main content.","membership":"Includes the dashed route and all four pin boundaries, enclosed interiors, inner circles, and numeric labels. Excludes the empty space between route segments and the departing procession.","id":"obj_015","temporal":{"status":"found","start_s":13.5,"end_s":15.25,"reference_s":14.0,"evidence":"目标为向右上方延伸的红色虚线路线，以及标有40、30、20、10的四个彩色定位针。13.50秒首次完整呈现全部路线与四针，15.00秒为最后合格帧；此前13.25秒尚未出现10号针，此后15.25秒40、30号针及相应路线已被移除。选择14.00秒作为关键帧，完整图形清晰且无遮挡，已无离场队伍干扰。","start_frame":324,"end_frame":366,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[180.7,75.0,881.0,776.0],"positive_points":[[229.7,666.7],[449.8,384.3],[733.3,293.5],[859.4,113.0],[185.0,773.6],[575.0,412.0]],"negative_points":[[300.0,450.0],[580.0,600.0],[800.0,450.0],[940.0,180.0]],"evidence":"图中可见沿红色虚线上升排列的四个定位图钉，分别标有40、30、20、10。边界框覆盖整条虚线路径及四个图钉的完整轮廓。正点分布在四个图钉内部和两处红色虚线上；负点位于远离图钉与路径的外部空白背景。"}},{"name":"Piggy bank","description":"Outlined piggy-bank symbol first appearing low in the frame in blue, then changing to red and moving toward the right. It has a rounded body, coin slot, pointed ear, square snout, curled tail, and short legs.","membership":"Includes the complete piggy-bank outline, enclosed body, and internal details. Excludes the surrounding targeting ring, nearby route graphics, and the later counter panel.","id":"obj_016","temporal":{"status":"found","start_s":16.75,"end_s":20.0,"reference_s":19.5,"evidence":"目标是带投币口、尖耳、方形猪鼻、卷尾和短腿的存钱罐，最初为蓝色，随后变红并向右移动；不包含外围瞄准环。16.50秒轮廓和腿部仍在绘制，16.75秒首次完整呈现，持续至最后采样帧19.75秒。区间到达视频末尾，无后续帧可检查。选择19.50秒作为关键帧，此时红色猪形完整清晰，外围圆环已消失，便于独立标注。","start_frame":402,"end_frame":480,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[734.4,667.6,838,825.9],"positive_points":[[786.5,753.7],[778.1,701.9],[807.3,679.6],[832.3,751],[738.5,738.9],[768.8,814.8]],"negative_points":[[710,770],[861,750],[786,637],[785,864]],"evidence":"目标是右下方红色小猪存钱罐，具有投币口、尖耳、方形猪鼻、卷尾和短腿。边界框覆盖完整轮廓及底部腿线；正点分布在身体内部、投币口、耳、鼻、尾和腿上，负点位于其四周的外部背景，避开身体内部及轮廓。"}},{"name":"Piggy-bank target reticle","description":"Red circular targeting graphic with four outward ticks surrounding the piggy bank before breaking apart and disappearing.","membership":"Includes the circular boundary, the area it encloses, and its four ticks. The piggy bank lies within this region while enclosed. Excludes unrelated dashed paths outside the circle.","id":"obj_017","temporal":{"status":"found","start_s":16.75,"end_s":18.25,"reference_s":17.5,"evidence":"目标是包围小猪存钱罐的红色圆形瞄准框及四个向外刻度，不包括外侧虚线路径。16.75秒首次完整呈现，16.50秒上方刻度尚未出现；18.00秒为最后完整帧，18.25秒圆框左下部开始断开消失。选择17.50秒作为关键帧，圆框和四个刻度完整清晰，周围干扰较少。","start_frame":402,"end_frame":438,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[454.17,533.33,704.17,976.85],"positive_points":[[579.17,562.96],[468.75,754.63],[690.1,754.63],[579.17,948.15],[545.31,706.48],[604.17,829.63]],"negative_points":[[468.75,592.59],[687.5,611.11],[479.17,939.81],[687.5,939.81]],"evidence":"图像右下方可见环绕存钱罐的红色圆形瞄准标记，带上下左右四条刻线。边界框紧贴四条刻线的最外端，覆盖圆周及其包围区域。正点分布于四条刻线和圆内区域；负点均位于圆形与刻线之外的灰色背景。"}},{"name":"Dashed heart route","description":"Large red dashed path that curls into a heart-shaped loop on the left and center as the piggy bank moves right.","membership":"Includes only the visible dashed path strokes, retaining the open ends and crossing near the bottom. Does not fill the heart's interior. Excludes colored location pins and their branches.","id":"obj_018","temporal":{"status":"found","start_s":19.25,"end_s":20.0,"reference_s":19.5,"evidence":"目标是左侧至中央的红色虚线心形路线，包含底部交叉和开放端点，不包括彩色定位针及分支。19.25秒首次完整呈现，19.00秒右侧开放尾段仍在延伸绘制；最后合格帧为19.75秒，路线保持完整。区间到达视频末尾，没有后续帧。选择19.50秒作为关键帧，心形轮廓、交叉及开放端点清楚可辨。","start_frame":462,"end_frame":480,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[31.3,92.6,625,696.3],"positive_points":[[58.9,671.3],[142.7,271.3],[233.9,100],[437,95.4],[350,642.6],[621.4,532.4]],"negative_points":[[183.3,415.7],[460.4,438.9],[482.8,79.6],[205.7,659.3]],"evidence":"目标是左侧至中央构成心形并在下方交叉的红色虚线路径。边界框覆盖整个心形、下方交叉及两端开放路径；六个正点分布在实际红色虚线笔画上，四个负点位于明确排除的蓝、绿、紫、棕色定位图钉上，不将心形内部空白作为负点。"}},{"name":"Orange music route branch","description":"Orange location pin on the lower-left section of the dashed heart route, connected by an angular dashed branch to a circular guitar symbol below.","membership":"Includes the orange pin and its enclosed interior, its dashed connector, and the terminal circle with its guitar and enclosed area as revealed. Excludes the red heart route and the space between the branch's strokes.","id":"obj_019","temporal":{"status":"found","start_s":19.75,"end_s":20.0,"reference_s":19.75,"evidence":"目标是红色虚线心形路线左下方的橙色定位针、折角虚线连接线及下方圆形吉他图标。19.75秒时全部成员已完整显现，是首个也是最后一个合格采样帧；前一帧19.50秒的终端圆环左侧仍未绘制闭合。选择19.75秒作为关键帧，目标完整清晰且无遮挡。区间到达视频末尾，没有后续采样帧。","start_frame":474,"end_frame":480,"reference_frame":474},"grounding":{"status":"found","bbox_xyxy":[198.4,656.5,446.9,918.5],"positive_points":[[207.8,678.7],[237,709.3],[278.6,790.7],[332.3,822.2],[390.1,884.3],[425,823.1]],"negative_points":[[176.6,692.6],[365.6,650.9],[312.5,731.5],[463.5,860.2]],"evidence":"目标为左下方橙色定位针，经折线虚线连接至下方吉他圆形图标的支路。框覆盖定位针、完整虚线连接及终端圆圈。正点分布在针内、连接线笔画和圆圈内部；负点位于红色心形路线及支路、圆圈外部背景，避开目标内部空隙。"}},{"name":"Purple route branch","description":"Purple location pin near the upper-right curve of the dashed heart, linked rightward to a circular node containing a diagonal skewer-like symbol.","membership":"Includes the purple pin and enclosed interior, its dashed connector, and the terminal circle with its contents and enclosed area. Excludes the red route and neighboring branches.","id":"obj_020","temporal":{"status":"found","start_s":19.75,"end_s":20.0,"reference_s":19.75,"evidence":"目标是红色虚线心形右上方的紫色定位针、向右延伸的虚线连接线，以及内含斜向串签图案的末端圆节点。19.50秒时末端圆和内部图案仍未绘制完整；19.75秒全部指定成员已完整呈现，是首个也是最后一个合格采样帧，因此选作关键帧。区间延续至视频20.0秒结束，之后无采样帧。","start_frame":474,"end_frame":480,"reference_frame":474},"grounding":{"status":"found","bbox_xyxy":[473.4,76.9,677.1,251.0],"positive_points":[[482.3,95.4],[511.5,148.1],[553.6,169.4],[638.5,123.1],[638.5,188.9],[659.4,208.3]],"negative_points":[[529.2,225.9],[578.1,240.7],[653.6,435.2],[724.0,175.9]],"evidence":"目标是心形红色虚线路径右上方的紫色分支。边界框覆盖紫色定位针、向右延伸的虚线连接线及含斜向串状符号的圆形节点。正点分布于定位针内部、连接线、圆周和节点内部；负点位于红色主路径、下方绿色节点及分支外部背景。"}},{"name":"Teal route branch","description":"Teal location pin on the left side of the dashed heart with a short dashed branch extending to the right.","membership":"Includes the teal pin boundary, enclosed interior and center detail, and its associated dashed connector. Excludes the red heart route and other colored branches.","id":"obj_022","temporal":{"status":"found","start_s":19.75,"end_s":20.0,"reference_s":19.75,"evidence":"目标是红色虚线心形左侧的青绿色定位针及其向右延伸的短虚线支路，不含红色路线和其他彩色分支。19.50秒支路仍在延伸绘制；19.75秒定位针边界、内部中心细节和连接虚线已完整呈现，为首个及最后一个合格采样帧，也选作清晰无遮挡的标注关键帧。区间到达视频末尾，之后没有采样帧。","start_frame":474,"end_frame":480,"reference_frame":474},"grounding":{"status":"found","bbox_xyxy":[173.9,407.4,326.1,460.2],"positive_points":[[183.33,427.78],[182.81,444.44],[219.79,425.93],[251.04,420.37],[276.56,415.74],[322.92,416.67]],"negative_points":[[161.46,437.04],[191.67,470.37],[239.58,387.96],[461.98,452.78]],"evidence":"目标是红色虚线心形左侧的青绿色定位针及向右延伸的短虚线支路。边界框紧贴定位针和整条青绿色连接线；正点分布在针内、中心细节及连接线各段，负点位于外部灰色背景、红色心形路线和绿色定位针上。"}}]}
+{"video_id":171,"video_type":"visual design and media animation","targets":[{"name":"SL monogram","description":"Gray stylized “SL” company emblem, initially above the company name at the upper left and later enlarged in the center.","membership":"Includes the complete monogram graphic. Excludes the company-name text, surrounding animated lines, and later rectangular outline.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":10,"reference_s":3,"evidence":"目标是公司名称上方的灰色交叠“SL”字母徽标，不含名称文字及外围线框。首个合格帧为0.00秒，徽标已完整显示于左上方；随后连续移动并放大至中央，直至最后采样帧9.75秒仍完整可见，无淡出或裁切。区间覆盖视频首尾，两侧均无额外采样帧。选择3.00秒作为关键帧，徽标居中、轮廓清晰且无遮挡，易与下方公司名称及周围线框区分。","start_frame":0,"end_frame":240,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[473.4,437.0,522.4,524.1],"positive_points":[[477.6,456.5],[488.5,456.5],[490.1,487.0],[500.0,471.3],[475.5,513.9],[512.0,520.4]],"negative_points":[[480.7,550.0],[664.1,490.7],[447.9,472.2],[496.4,387.0]],"evidence":"目标是图像中央、公司名称上方的灰色“SL”组合徽标。边界框仅覆盖完整字母图形及圆点，不含下方公司名称和外围矩形线。六个正点分布于徽标的曲线、圆点、斜笔、竖笔及底部笔画；负点位于公司名称、右侧矩形边线及徽标外部背景。"}},{"name":"Company-name text","description":"The text “SUNNY INTERNATIONAL LTD.” initially appears beneath the upper-left emblem and moves with it into the center of the process overview.","membership":"Includes the complete company-name text block. Excludes the adjacent monogram, white background, and surrounding lines or outlines.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":10,"reference_s":3.25,"evidence":"目标为字母徽标下方完整的“SUNNY INTERNATIONAL LTD.”公司名称文字，不包括徽标和周围线框。文字在0.00秒已完整显示，随后随徽标移至中央，至最后采样帧9.75秒仍持续完整可见，无淡出或裁切。区间覆盖视频首尾，边界外没有采样帧。选择3.25秒作为关键帧，文字居中清晰、无遮挡，易与上方徽标及外围线框区分。","start_frame":0,"end_frame":240,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[373.4,536.1,627.1,563.0],"positive_points":[[385.4,548.1],[412.5,550.0],[443.8,550.9],[475.0,538.0],[536.5,550.0],[613.0,549.1]],"negative_points":[[500.0,478.7],[335.9,555.6],[505.2,629.6],[364.6,490.7]],"evidence":"目标是中央框内、字母组合标志下方的“SUNNY INTERNATIONAL LTD.”。边界框紧贴整行公司名称，包含末尾句点；六个正点分布在各段文字的笔画上，负点位于上方标志、外围框线及文字块外的空白背景。"}},{"name":"Illustrated factory worker","description":"Worker standing to the left of the initial textile machine, wearing a dark teal cap and shirt, pale glasses, white trousers, and dark shoes; subsequently moves out through the left edge.","membership":"Includes the entire illustrated person, including clothing, glasses, limbs, and shoes. Excludes the nearby branding and machinery.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是初始纺织机器左侧戴深青色帽子、浅色眼镜，穿深青色上衣、白裤和深色鞋的完整工人。首个及最后一个合格帧均为0.00秒，人物全身清晰可见，因此选作关键帧。下一帧0.25秒人物已向左移出并被画面左边界裁切，故不纳入。区间始于视频开头，没有更早的采样帧。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[45.3,284.3,179.7,883.3],"positive_points":[[99.5,307.4],[97.9,442.6],[58.3,544.4],[156.8,565.7],[121.4,736.1],[134.4,862.0]],"negative_points":[[188.0,125.0],[513.5,531.5],[218.8,444.4],[26.0,694.4]],"evidence":"目标是机器左侧戴深青色帽子、浅色眼镜，穿深色上衣、白裤和深色鞋的工人。边界框紧贴整个人物，覆盖帽顶至鞋底及两侧手臂；正点分布在帽子、上衣、双臂、裤腿和鞋上，负点位于品牌标识、机器及人物外部背景。"}},{"name":"Six-position textile machine","description":"Large initial machine on the right, with a light-blue frame and base, green top cylinder, six upper processing stations, a pink middle panel, and six green cans receiving differently colored strands. It moves out through the right edge.","membership":"Includes the complete connected machine assembly, its base, upper cylinder, processing stations, six cans, and connecting strands. Excludes the worker, company branding, and floor shadow.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标为开头右侧的六工位纺织机，包含浅蓝机架及底座、绿色顶部圆柱、粉色中段、六个加工工位及接收彩色条带的六个绿桶。首个及最后一个合格采样帧均为0.00秒，此时整机完整可见；0.25秒帧中机器已向右移出并被画面右边界裁切，因此不纳入。区间到达视频起点，无更早采样帧。选择0.00秒作为关键帧，整机结构清晰且无遮挡。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[374,105,874,821],"positive_points":[[620,138],[437,252],[745,405],[510,549],[807,558],[622,741]],"negative_points":[[102,456],[190,121],[618,853],[912,476]],"evidence":"目标为右侧六工位纺织机，具有绿色顶部滚筒、浅蓝机架、粉色中部面板及六个接收纤维条的绿色筒。框覆盖完整机器及底座；正点分布在顶部滚筒、上部工位、中部面板、料筒和底座，负点位于工人、公司标志、地面阴影及右侧背景。"}},{"name":"Three-hopper processing diagram","description":"First framed process illustration to enter, settling at the upper left. It shows a blue control cabinet with a display and two gauges, three white hoppers receiving purple, yellow, and green material, and three collection containers on a conveyor.","membership":"Includes the rectangular diagram's surface, boundary, and all contents, including the machine, hoppers, conveyor, collection containers, and animated material entering or falling through the system. Excludes the dashed connections outside the panel and the central branding.","id":"obj_005","temporal":{"status":"found","start_s":1.75,"end_s":10.0,"reference_s":7.75,"evidence":"目标是左上方带矩形边框的三料斗处理图，内含蓝色控制柜、显示屏、双仪表、三个白色料斗及输送带上的收集容器。1.50秒时面板左侧仍被画面边界裁切；1.75秒首次完整进入，表面、边界和设备结构均已建立，后续物料动画不影响面板资格。最后一个合格帧为9.75秒，目标仍完整可见，故区间延续至视频结束10.0秒，之后无采样帧。选择7.75秒作为关键帧，因为面板放大、结构清晰且无遮挡。","start_frame":42,"end_frame":240,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[47.9,48.1,371.9,373.1],"positive_points":[[121,206],[202,124],[258,124],[311,122],[258,278],[331,329]],"negative_points":[[418,258],[278,440],[496,499],[788,205]],"evidence":"目标位于左上角，是带蓝色控制柜、三个料斗和彩色物料及输送带收集容器的完整矩形工艺图。边界框紧贴面板外边缘，包含面板底色、边框及全部内部内容。六个正点分布在控制柜、三个料斗、输送带及面板表面；负点位于面板外的虚线连接、中央品牌和右上方另一幅工艺图上。"}},{"name":"Colored-bale processing diagram","description":"Framed illustration entering at the upper right, showing a tall blue processing head traveling over a row of green, white, purple, white, and yellow material blocks, with a green control cabinet at the right.","membership":"Includes the full rectangular diagram surface and boundary, processing head and rail, material blocks, control cabinet, and other internal illustration details. Excludes external dashed connectors and the central branding.","id":"obj_006","temporal":{"status":"found","start_s":3.0,"end_s":10.0,"reference_s":6.75,"evidence":"目标为右上方带矩形边框的彩色料块加工示意图，包含蓝色加工头与轨道、绿白紫白黄料块及右侧绿色控制柜。2.75秒时图框仍被画面右边界裁切；3.0秒首次完整呈现，此后持续可见至最后采样帧9.75秒，因此区间结束于视频末尾10.0秒，末尾无后续帧。选择6.75秒作为关键帧，此时图框放大、结构清晰且无遮挡；外部虚线及中央标志不属于目标。","start_frame":72,"end_frame":240,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[631.8,51.9,947.9,368.5],"positive_points":[[677.6,122.2],[826.6,125.9],[671.9,257.4],[729.7,278.7],[851.6,276.9],[910.4,229.6]],"negative_points":[[583.3,258.3],[500,500],[786.5,393.5],[963.5,231.5]],"evidence":"目标为右上方带边框的彩色料块加工示意图，包含高蓝色加工头、导轨、彩色料块及右侧绿色控制柜。边界框紧贴完整矩形面板及其边框；正点分布在面板底面和主要设备、料块上，负点位于外部虚线、中央品牌区及面板外背景。"}},{"name":"Two-can textile processing diagram","description":"Framed illustration entering at the lower right. A blue machine with a pink horizontal section delivers a white strand toward two green cylindrical cans flanking a blue central assembly.","membership":"Includes the complete rectangular diagram, its boundary and background surface, the blue processing machine, white strands and guides, both green cans, and the central assembly. Excludes dashed connector lines outside the diagram.","id":"obj_007","temporal":{"status":"found","start_s":4.25,"end_s":10.0,"reference_s":8.75,"evidence":"目标为右下角带矩形边框和背景的双罐纺织加工图，包含粉色横段的蓝色机器、白色纱线、两个绿色圆罐及中央蓝色组件，不含框外虚线。4.00秒图示仍被画面下边缘裁切；4.25秒首次完整呈现。此后持续可见，最后合格帧为9.75秒，故区间结束于视频末尾10.00秒，无后续采样帧。选择8.75秒作为关键帧，此时图示放大、边界完整且各组件清晰无遮挡。","start_frame":102,"end_frame":240,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[627.6,627,952.6,952.8],"positive_points":[[686,688],[711,762],[784,847],[830,829],[876,841],[924,674]],"negative_points":[[608,799],[783,597],[971,833],[728,545]],"evidence":"目标是右下角带矩形边框的双筒纺织加工示意图：蓝色机器含粉色横段，白色线束通向两个绿色圆筒及中央蓝色组件。边界框覆盖完整面板、边框和背景。正点分布在机器、粉色横段、两筒、中央组件及面板背景；负点位于面板外空白和上方虚线连接处。"}},{"name":"Multi-spindle textile machine diagram","description":"Framed illustration entering at the lower left, with a long green-and-teal machine, a row of suspended colored yarn packages feeding lower spindle positions, a small control panel at the left, and a tall cabinet at the right.","membership":"Includes the full rectangular diagram surface, boundary, and contents, including all yarn packages, threads, guides, spindles, machine supports, and control cabinets. Excludes external dashed connections and the central company branding.","id":"obj_008","temporal":{"status":"found","start_s":5.75,"end_s":10.0,"reference_s":9.75,"evidence":"目标是左下方带矩形边框的多锭纺织机示意图，包含彩色悬挂纱包、下排锭位、左侧控制面板和右侧高柜。5.50秒时图框仍被画面左边界裁切；5.75秒首次完整进入画面，之后持续完整显示至最后采样帧9.75秒，因此区间结束于视频末尾10.00秒，末尾无后续帧。选择9.75秒为关键帧，因为此时图示放大、结构清晰且无遮挡；外部虚线和中央品牌标志不属于目标。","start_frame":138,"end_frame":240,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[42.7,626.9,367.2,952.8],"positive_points":[[78.6,786.1],[137.5,694.4],[230.2,841.7],[324.0,757.4],[190.1,913.9],[55.7,647.2]],"negative_points":[[278.1,555.6],[495.3,500.0],[724.0,757.4],[203.1,975.0]],"evidence":"目标是左下角带矩形边框的多锭纺织机器示意图，可见悬挂彩色纱包、下排锭位、左侧控制面板和右侧高柜。边界框覆盖完整面板表面、边框及全部内部内容。六个正点分布于纱包、机器主体、控制柜和面板表面；四个负点位于外部虚线、中央品牌、右下方其他设备图及面板下方背景。"}}]}
+{"video_id":172,"video_type":"visual design and media animation","targets":[{"name":"Circular person avatar","description":"A smiling illustrated person with dark swept hair, a pale blue face, and a teal shirt inside a white circle, initially centered beside the bar chart.","membership":"Include the entire circular portrait, its white backing, and all enclosed person details. Exclude surrounding charts and icons.","id":"obj_001","temporal":{"status":"found","start_s":0.0,"end_s":5.5,"reference_s":4.0,"evidence":"目标是白色圆形底衬内、深色侧扫头发、浅蓝脸和青绿色上衣的微笑人物。首个合格帧为0.00秒，圆形头像已完整呈现；视频从此开始，无更早采样帧。最后合格帧为5.25秒，头像虽缩小移动但仍完整；紧邻的5.50秒帧中头像已消失。因此区间为[0.00,5.50)。选择4.00秒作为关键帧，头像较大、轮廓清晰且无遮挡，与周围图表分离。","start_frame":0,"end_frame":132,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[419.3,356.5,580.7,643.5],"positive_points":[[499.5,378.7],[435.9,507.4],[563,486.1],[487,419.4],[499.5,523.1],[508.9,619.4]],"negative_points":[[393.8,500],[612,500],[208.3,571.3],[781.3,463]],"evidence":"目标是画面中央白色圆形内的微笑人物，具有深色头发、浅蓝色脸和青色上衣。边界框紧贴完整圆形肖像，包含白色底及全部人物细节。正点分布于白底、头发、脸和上衣；负点位于圆外背景及左侧柱状图、右侧日历上。"}},{"name":"Seven-bar chart","description":"A chart of alternating bright blue and muted blue vertical bars on thin white axes. It begins left of the avatar and later enlarges and moves to the center.","membership":"Include all bars and both axis strokes as one chart. Exclude the surrounding navy background, nearby cards, and transient interaction marks.","id":"obj_002","temporal":{"status":"found","start_s":1.0,"end_s":9.0,"reference_s":8.5,"evidence":"目标是由七根亮蓝、灰蓝交替竖条及两条细白坐标轴组成的图表，起初位于头像左侧，随后放大并移至中央。1.00秒首次完整呈现；前一帧0.75秒最右侧柱条仍在初始生长。最后合格帧为8.75秒，9.00秒白色矩形开始遮盖图表，使其退出。选择8.50秒作为关键帧，因为图表较大、无遮挡，且与周围卡片清楚分离。","start_frame":24,"end_frame":216,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[407.8,378.7,591.7,600.5],"positive_points":[[426.8,505.6],[451.8,553.7],[500.8,463.0],[550.5,400.0],[574.5,555.6],[408.6,599.0]],"negative_points":[[388.0,486.1],[500.0,347.2],[494.8,638.9],[677.1,463.0]],"evidence":"图像中央可见七根亮蓝与灰蓝交替的竖条及细白坐标轴。边界框紧贴全部柱条和两条轴线；正点分布在代表性柱条及轴线交点，负点位于图表外的藏蓝背景和右侧独立卡片上。"}},{"name":"Pie chart and capsule card","description":"A teal square card first appearing above the left side of the bar chart, containing a white-and-blue pie graphic with a white capsule symbol.","membership":"Include the square card surface, its offset outline, and the entire pie-and-capsule graphic. Exclude other cards and the surrounding background.","id":"obj_003","temporal":{"status":"found","start_s":2.75,"end_s":9.25,"reference_s":8.75,"evidence":"目标是最初位于柱状图左上方的青色方卡，含错位细描边、白蓝饼图和白色胶囊。2.75秒首次完整呈现；前一帧2.50秒胶囊符号仍在绘制。最后符合条件的是9.00秒，卡片仍完整可见；9.25秒被扩张的白色遮罩覆盖。选择8.75秒作为关键帧，此时卡片较大、结构清晰且无遮挡。","start_frame":66,"end_frame":222,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[294.27,275.93,373.44,415.74],"positive_points":[[301.04,290.74],[316.15,353.7],[333.33,312.04],[346.35,338.89],[360.42,393.52],[338.54,414.81]],"negative_points":[[274.48,339.81],[386.46,429.63],[450.52,509.26],[511.46,215.74]],"evidence":"目标是柱状图左上方的青绿色方卡，内有白蓝饼图和白色胶囊。边界框覆盖卡面、完整图案及向右下偏移的细线外框。正点分布在卡面、饼图、胶囊及底部外框上；负点位于卡外背景、柱状图和上方心形曲线卡片上。"}},{"name":"Medication assortment card","description":"A teal square card initially to the right of the pie card, displaying a tall blister pack, three loose capsules, and a smaller four-tablet pack. It later moves below and right of the central chart.","membership":"Include the complete teal card, its offset outline, and all medication symbols inside it. Exclude neighboring graphics.","id":"obj_004","temporal":{"status":"found","start_s":3.0,"end_s":9.25,"reference_s":8.75,"evidence":"目标是包含长条泡罩药板、三粒散装胶囊和四片装小药板的青绿色方卡及其偏移轮廓，随后移至中央柱状图右下方。3.00秒首次完整呈现全部药物符号；前一帧2.75秒的小药板仍在展开绘制。最后合格帧为9.00秒，卡片仍完整可见；9.25秒被扩大的白色遮罩覆盖。选择8.75秒作为关键帧，此时卡片清晰、无遮挡，与邻近图形分离。","start_frame":72,"end_frame":222,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[609.9,671.3,688.5,811.1],"positive_points":[[616.7,684.3],[632.3,725.0],[661.5,716.7],[663.0,763.0],[676.0,790.7],[688.0,786.1]],"negative_points":[[593.8,740.7],[703.1,744.4],[645.8,838.0],[677.1,472.2]],"evidence":"目标位于中央柱状图右下方，青色卡片内有长条泡罩药板、三粒胶囊和四片装药板。边界框包含完整卡片及向右下偏移的细线外框。正点分布在卡面、药品图案和偏移外框上；负点位于卡片外围深蓝背景及上方另一张图表卡片上。"}},{"name":"Calendar card","description":"A teal calendar appearing to the right of the avatar, with two white binding tabs, a header divider, and a grid of outlined dates with selected white cells.","membership":"Include the calendar sheet, offset outline, projecting binding tabs, divider, and all date cells. Exclude the surrounding background.","id":"obj_005","temporal":{"status":"found","start_s":4.0,"end_s":5.5,"reference_s":4.25,"evidence":"目标是头像右侧的青色日历卡，含白色装订标签、分隔线、日期方格和偏移外轮廓。4.00秒首次完整呈现；前一帧3.75秒右下角日期格仍未绘制完成。5.25秒日历虽缩小并移动，但结构完整，是最后合格帧；5.50秒已消失。选择4.25秒作为关键帧，日历清晰、无遮挡且易于区分。","start_frame":96,"end_frame":132,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[729.7,360.2,837.0,565.7],"positive_points":[[751.6,374.1],[809.9,374.1],[772.9,388.9],[746.9,477.8],[814.1,529.6],[836.5,512.0]],"negative_points":[[697.9,463.0],[864.6,463.0],[778.6,314.8],[778.6,611.1]],"evidence":"目标是头像右侧的青色日历卡片。边界框覆盖日历纸面、两个突出的白色装订 tabs、分隔线、全部日期格及右下偏移轮廓。正点分布在装订片、页眉、日期格和偏移轮廓上；负点位于卡片四周的深蓝色背景。"}},{"name":"Heart and waveform card","description":"A teal square card appearing above the enlarged bar chart, with a blue rounded inset containing a white heart and several flowing white curves.","membership":"Include the outer card and offset outline, the rounded inset, the heart, and all waveform strokes. Exclude adjacent cards and the chart.","id":"obj_006","temporal":{"status":"found","start_s":7.5,"end_s":9.25,"reference_s":8.75,"evidence":"目标是放大柱状图上方的青色方卡，含偏移轮廓、蓝色圆角内框、白心及多条白色波形。7.50秒各波形已完整呈现；前一帧7.25秒仍有曲线正在绘制。最后合格帧为9.00秒，卡片尚未被中央白色遮罩遮挡；9.25秒已被扩大的白色遮罩覆盖。选择8.75秒作关键帧，目标完整清晰且无遮挡。","start_frame":180,"end_frame":222,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[472.4,150.9,556.3,300],"positive_points":[[476.6,168.5],[546.4,278.7],[495.3,185.2],[510.4,263],[525.5,196.3],[555.7,287]],"negative_points":[[457.3,222.2],[569.8,226.9],[550.5,486.1],[331.3,343.5]],"evidence":"目标位于柱状图上方，是带白色心形和波形曲线的青色卡片。边界框紧密覆盖外卡片及右下偏移轮廓；正点分布在卡片表面、蓝色圆角内嵌区、心形、波形和偏移轮廓上，负点位于两侧外部背景、下方柱状图及左侧另一张卡片上。"}},{"name":"Rising line chart card","description":"A teal card appearing to the right of the enlarged bar chart. Its blue rounded inset contains white axes, a rising connected-dot line, and a small white medicine-container symbol.","membership":"Include the complete card surface and offset outline, rounded inset, axes, plotted line and dots, and medicine-container symbol. Exclude other graphics.","id":"obj_007","temporal":{"status":"found","start_s":6.5,"end_s":9.25,"reference_s":8.75,"evidence":"目标是放大柱状图右侧的青色卡片，带错位外轮廓和蓝色圆角内框，内部随后呈现白色坐标轴、上升折线及药瓶符号。6.50秒卡片表面、边界和内框已完整建立，6.25秒尚未出现；内部图形的后续绘制不推迟卡片起点。最后合格帧为9.00秒，卡片仍完整可见，9.25秒被扩大的白色遮罩覆盖。选择8.75秒作为关键帧，所有指定内部图形均清晰完整且无遮挡。","start_frame":156,"end_frame":222,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[639.1,393.5,723.4,543.5],"positive_points":[[643.2,402.8],[664.1,431.5],[696.4,435.2],[674.0,475.9],[711.5,521.3],[687.5,542.6]],"negative_points":[[625,460],[744,468],[680,365],[650,735]],"evidence":"目标是中央柱状图右侧的青色卡片，蓝色圆角内框中有白色坐标轴、上升折线及药瓶符号。边界框包含完整卡面和向右下偏移的细线外框。正点分布于卡面、内框、药瓶、折线及底部外框；负点位于周围背景和下方另一张药片卡上。"}},{"name":"Map and location pin card","description":"A teal square card below and left of the enlarged bar chart, containing a blue rounded map with white street lines and a teal location pin over a pale highlighted block.","membership":"Include the complete card and offset outline, map inset, street lines, highlighted block, and location pin. Exclude surrounding graphics.","id":"obj_008","temporal":{"status":"found","start_s":8.5,"end_s":9.25,"reference_s":8.75,"evidence":"目标是放大柱状图左下方的青色地图卡片，包含偏移轮廓、蓝色地图、白色街道、浅色高亮块和定位针。8.50秒首次完整呈现，定位针之后的放大不影响纳入；前一帧8.25秒尚无完整定位针和高亮块。9.00秒卡片仍完整可见，9.25秒被扩大的白色遮罩覆盖。选择8.75秒作关键帧，卡片结构清晰且无遮挡。","start_frame":204,"end_frame":222,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[312.5,659.3,396.9,810.2],"positive_points":[[316.7,672.2],[347.9,701.9],[326.6,760.2],[371.9,720.4],[385.9,787.0],[375.0,808.3]],"negative_points":[[294.3,722.2],[411.5,731.5],[351.6,638.9],[632.8,740.7]],"evidence":"目标是中央柱状图左下方的地图定位卡片。边界框涵盖青色卡面、右下偏移细轮廓、地图嵌图、白色街道、浅色高亮块和定位图钉。正点分布在卡面、图钉、地图和偏移轮廓上；负点位于卡片外围深蓝背景及右下方其他卡片上。"}},{"name":"Gray data table","description":"A bordered table appearing on a white background after the icon scene. It has seven columns of differently sized gray cells and a dark header row; later it is enlarged to reveal smaller rounded content bars within cells.","membership":"Include the table's outer boundary, all cells, internal spacing, and cell contents, including the separately identified draggable item while it is inside the table. Exclude the surrounding white background, circular inspection overlays, and pointer.","id":"obj_009","temporal":{"status":"found","start_s":9.75,"end_s":17.0,"reference_s":10.5,"evidence":"目标是白底上带外边框、七列灰色单元格及深色表头的数据表。9.50秒仍为空白，9.75秒表格结构已完整出现，随后缩放及单元格内容变化不改变其身份。最后采样帧16.75秒仍显示放大的同一表格；画面裁切来自放大展示，而非离场，故区间延续至视频末尾17.00秒，之后无采样帧。选择10.50秒作为关键帧，表格完整清晰，且没有圆形检查浮层或指针遮挡。","start_frame":234,"end_frame":408,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[322.9,301.9,676.8,699.1],"positive_points":[[375,323],[644,365],[340,475],[514,487],[393,665],[602,665]],"negative_points":[[286,477],[714,499],[499,263],[494,742]],"evidence":"图像中央可见七列灰色圆角单元格组成的表格，顶部为深灰表头，外有细边框。边界框紧贴整张表格外边界，包含所有单元格、内部间隔和内容。六个正点分布于表头及表格上中下部单元格，四个负点位于表格四周的白色背景。"}},{"name":"Large circular inspection overlay","description":"A large pale blue circle with a thin navy outline enters from the left of the data table and moves across its left columns, revealing teal and blue cell colors within its area.","membership":"Include the circular boundary and the entire enclosed inspection area. Exclude table portions outside the circle and the separate smaller inspection circle.","id":"obj_010","temporal":{"status":"found","start_s":11.5,"end_s":14.75,"reference_s":12.0,"evidence":"目标是覆盖表格左侧列的大号浅蓝圆形检查区域，带细海军蓝轮廓，圈内单元格显示青色和蓝色；不包含右侧较小圆圈。11.5秒首次完整可见，前一帧11.25秒尚无圆圈。最后合格帧为14.5秒，此时目标缩成小圆但仍可见；14.75秒已消失。选择12.0秒作为关键帧，因为大圆边界清晰、完整，且与小圆无混淆。","start_frame":276,"end_frame":354,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[287,249,456.3,550.9],"positive_points":[[366,277],[303,392],[340,482],[394,466],[429,366],[379,390]],"negative_points":[[496,468],[384,623],[258,397],[374,206]],"evidence":"目标是覆盖表格左侧列的淡蓝色大圆，带细海军蓝轮廓，圈内可见青色和蓝色单元格。边界框紧贴圆的外缘，包含圆周及全部内部区域。六个正点分散在圈内不同部位；四个负点位于圈外右侧和下方表格，以及左侧和上方背景。"}},{"name":"Small circular inspection overlay","description":"A second, smaller pale blue circle with a navy outline enters from the right and moves over the right-hand columns of the data table, revealing colored cells.","membership":"Include this circle's boundary and its full enclosed inspection area. Exclude table portions outside it and the larger circle.","id":"obj_011","temporal":{"status":"found","start_s":12.5,"end_s":14.5,"reference_s":13.0,"evidence":"目标是从右侧进入、覆盖表格右侧列的小号浅蓝色深蓝描边圆，与左侧大圆区分。12.50秒首次完整入镜；前一帧12.25秒仍被右边界裁切。最后符合条件的是14.25秒，圆虽缩小但边界和内部区域仍完整；14.50秒已收成小点，不再呈现完整检查圆。选择13.00秒作为关键帧，此时小圆轮廓��楚，内部彩色单元格可见，且与大圆分离。","start_frame":300,"end_frame":348,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[589.1,442.6,701.6,642.6],"positive_points":[[642.7,462],[604.2,511.1],[680.7,507.4],[688,574.1],[644.3,621.3],[605.7,571.3]],"negative_points":[[380.2,463],[567.2,476.9],[646.9,666.7],[729.2,541.7]],"evidence":"目标是表格右侧较小的浅蓝色圆形检查覆盖层，带深蓝色轮廓。边界框紧贴整个圆的外缘，包含边界及全部内部区域。六个正点分布在圆内不同位置；负点位于左侧大圆、目标圆外的表格以及右侧背景。"}},{"name":"Draggable rounded table item","description":"A dark horizontal rounded rectangle inside a large cell on the right side of the enlarged table. It turns blue with a white outline under the arrow and is dragged down and right, leaving a dark shape at its original position.","membership":"Include the movable rounded rectangle's filled surface and its own boundary throughout selection and movement. Exclude the containing cell, neighboring content bars, the stationary dark shape left behind during dragging, and the arrow pointer.","id":"obj_012","temporal":{"status":"found","start_s":15.5,"end_s":17.0,"reference_s":16.75,"evidence":"目标是放大表格右侧大单元格内的横向圆角条，最初呈深色，随后在箭头下变为带白边的蓝色并向右下拖动。15.25秒仍处于浅淡的初始显现阶段，15.5秒首次完整清晰呈现；最后 qualifying 帧为16.75秒，拖动中的蓝色条仍完整可见。区间延续至视频结束17.0秒，无后续采样帧。选择16.75秒作为关键帧，可清楚区分移动条、原位深色残留形状和箭头。","start_frame":372,"end_frame":408,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[594.3,543.5,752.1,629.0],"positive_points":[[605,568],[637,558],[681,562],[736,574],[624,615],[687,610]],"negative_points":[[578,569],[723,620],[784,663],[600,470]],"evidence":"目标是右侧大单元格内正在拖动的蓝色圆角矩形，带白色边框。边界框紧贴其填充表面和自身边界，不包括箭头及左上方残留的深色形状。六个正点分散在蓝色表面；负点位于残留深色形状、箭头、外围单元格背景和上方内容条上。"}}]}
+{"video_id":173,"video_type":"visual design and media animation","targets":[{"name":"Asana tile","description":"White tile bearing three orange-to-magenta circles arranged in a triangle. Initially on the left, it moves to the center, flips to reveal an orange-yellow reverse, and later joins the vertical stack of application tiles.","membership":"Include the complete tile, its logo, visible thickness, reverse face, and attached colored extension when stretched. Exclude connecting ribbons and motion-blur trails.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":5.5,"reference_s":0.75,"evidence":"通过白色 tile 上呈三角排列的橙红至洋红三圆标志识别目标，并连续追踪其移至中央、翻转显示橙黄色背面及加入应用竖列的过程。首个合格帧为0.00秒，已完整显示；视频起点之前无采样帧。最后合格帧为5.25秒，目标仍完整位于画面下方；紧邻的5.50秒帧中目标开始被底部边界裁切，因此结束时间为5.50秒。选择0.75秒作为关键帧，此时白色表面、三圆标志与完整边界清晰，易于排除连接彩带。","start_frame":0,"end_frame":132,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[132.8,334.7,377.3,626.4],"positive_points":[[167,382],[349,379],[322,590],[260,442],[224,525],[281,523]],"negative_points":[[442,405],[480,532],[791,386],[103,481]],"evidence":"目标是左侧带有三枚橙红至洋红渐变圆点的白色 Asana 卡片。边界框紧贴完整可见卡片，包含白色表面及标志，不含连接彩带。六个正点分布在卡片表面和三个圆点上；负点位于连接彩带、右侧橙色邮件卡片及外部紫色背景。"}},{"name":"Initial Gmail tile","description":"Orange tile with a white envelope and magenta M-shaped outline, initially opposite the Asana tile on the right.","membership":"Include the tile surface, boundary, visible edges, and envelope emblem. Exclude the ribbons connecting it to Asana.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":1,"evidence":"目标是右侧与 Asana 相对的橙色 Gmail 方牌，包含白色信封和洋红色 M 形轮廓，不含连接彩带。首个合格帧为 0.00 秒，牌面与边界已完整建立；视频起点之前没有采样帧。最后合格帧为 1.50 秒，1.75 秒时 Gmail 方牌已消失，仅剩 Asana 方牌，因此区间止于 1.75 秒。选择 1.00 秒作为关键帧，目标完整清晰、无遮挡，便于标注。","start_frame":0,"end_frame":42,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[675,333,900,627],"positive_points":[[715,381],[863,376],[704,586],[865,583],[784,503],[799,527]],"negative_points":[[624,507],[646,447],[271,451],[926,497]],"evidence":"目标是右侧带白色信封和洋红色M形轮廓的橙色Gmail卡片。边界框紧贴卡片的可见外缘，涵盖表面与信封图案，不包含连接彩带。正点分布在橙色表面及信封标志上；负点位于左侧彩带、Asana卡片和右侧紫色背景。"}},{"name":"Interwoven connection ribbons","description":"Broad mint, teal, yellow, and lavender bands linking the initial Asana and Gmail tiles, with small colored dots moving along them.","membership":"Include the individual bands and dots as one compact connection graphic. Follow the bands' curved outlines, excluding gaps between them and the application tiles.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0.75,"evidence":"目标是初始 Asana 与 Gmail 图块之间的薄荷绿、青绿、黄色和淡紫色交织宽带及其彩色小圆点。首个合格帧为 0.00 秒，带状结构已完整可见，随后仅展开和变形；最后合格帧为 1.50 秒。1.75 秒时连接带已消失，只剩居中的 Asana 图块及拖影。区间始于视频开头，无更早采样帧。选择 0.75 秒作为关键帧，因为各色带的曲线轮廓和圆点清晰，且易与两端应用图块区分。","start_frame":0,"end_frame":42,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[363,345,686,616],"positive_points":[[442,407],[613,519],[411,494],[607,393],[480,531],[613,587]],"negative_points":[[242,479],[781,389],[531,306],[516,674]],"evidence":"目标是连接左侧 Asana 与右侧 Gmail 图块的交织彩带。边框紧贴薄荷绿、青绿、黄色和淡紫色带及其圆点的可见整体范围；正点分布在各色带和圆点上，负点位于两侧应用图块及上下方紫色外部背景，不将带间空隙作为负点。"}},{"name":"Slack tile","description":"White application tile with a multicolored rounded-bar Slack symbol. It enters above Asana and flips to show a teal-to-yellow reverse.","membership":"Include the entire tile, its symbol, visible side faces, reverse, and attached colored extension. Exclude motion trails and neighboring tiles.","id":"obj_004","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":3.75,"evidence":"目标是位于 Asana 上方、带多色圆角条状 Slack 标志的白色应用磁贴，翻转时露出青绿至黄色背面。首个合格帧为 3.25 秒：磁贴虽近乎侧向，但整体已进入画面；前一帧 3.00 秒仍被顶部边界裁切。最后合格帧为 5.50 秒，下一帧 5.75 秒已在向下离场时被底部边界裁切。选择 3.75 秒作为关键帧，磁贴正面及标志清晰完整，与邻近磁贴分离。","start_frame":78,"end_frame":138,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[416,151,585,342],"positive_points":[[430,180],[567,181],[434,309],[565,310],[483,232],[515,216]],"negative_points":[[502,560],[623,245],[386,236],[495,399]],"evidence":"目标是位于 Asana 上方、带多色圆角条状 Slack 标志的白色应用卡片。边界框覆盖完整可见卡片及其标志，不包含右侧模糊运动拖影。正点分布在卡片表面和标志上；负点位于下方 Asana 卡片、右侧拖影区域及外围紫色背景。"}},{"name":"Jira tile","description":"White tile displaying a purple folded diamond with a small central opening, appearing above Slack in the vertical application sequence.","membership":"Include the tile surface, emblem, visible edges, and dark teal-purple extension that grows from its side. Exclude neighboring application strips and motion blur.","id":"obj_005","temporal":{"status":"found","start_s":4.5,"end_s":6.0,"reference_s":5.75,"evidence":"目标是位于 Slack 上方、带紫色折叠菱形及中央小孔的白色 Jira 瓷砖，包括侧面伸展的深青紫色条带。首个完整呈现帧为 4.50 秒，最后合格帧为 5.75 秒；此前 4.25 秒瓷砖仍被画面上边界裁切，此后 6.00 秒已在离场时被下边界裁切。选择 5.75 秒作为关键帧，此时瓷砖、徽标和侧向延伸条带均完整可辨，且无遮挡。","start_frame":108,"end_frame":144,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[342,603,661,793],"positive_points":[[362,640],[452,749],[515,648],[634,747],[572,667],[590,705]],"negative_points":[[569,465],[503,902],[284,693],[704,699]],"evidence":"目标位于 Google Drive 下方、Slack 上方，由带紫色空心菱形标志的白色 Jira 瓷砖及左侧深青紫色延伸条组成。边框紧贴其可见实体边缘，不含外围运动模糊。正点分布在延伸条、白色表面和标志上；负点位于相邻应用条及左右外部背景。"}},{"name":"Google Drive application strip","description":"White tile with a green, yellow, and teal triangular Google Drive emblem, entering above Jira and extending into an orange-yellow horizontal strip.","membership":"Include the logo tile and its attached colored strip as one object, including visible edges. Exclude the later, separately positioned Drive tile in the security illustration.","id":"obj_006","temporal":{"status":"found","start_s":5.25,"end_s":6.25,"reference_s":6.0,"evidence":"目标为位于 Jira 上方、带绿黄青三角形 Drive 标志的白色图块及其相连的橙黄色横条。首个完整呈现帧为 5.25 秒；前一帧 5.0 秒仍被画面上边界裁切。最后合格帧为 6.0 秒，后一帧 6.25 秒已在向下离场时被下边界裁切。选择 6.0 秒作为关键帧，标志、图块及横条均完整清楚；不包含随后安全插画中独立的 Drive 图块。","start_frame":126,"end_frame":150,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[237,586,831,781],"positive_points":[[258,632],[323,689],[368,743],[458,642],[600,700],[787,732]],"negative_points":[[180,690],[721,446],[657,922],[406,802]],"evidence":"目标是位于 Gmail 横条下方、Jira 上方的 Google Drive 应用横条。边界框覆盖带三色三角徽标的白色方块及其右侧相连的橙黄色长条和可见边缘。正点分布在白色块、徽标和渐变长条上；负点位于左侧及下方背景、Gmail 和 Jira 对象上。"}},{"name":"Returning Gmail application strip","description":"A white Gmail logo tile entering above the Google Drive strip, with a long turquoise extension to its left.","membership":"Include the white tile, envelope emblem, and attached turquoise strip. Exclude the earlier orange Gmail tile and other application strips.","id":"obj_007","temporal":{"status":"found","start_s":5.75,"end_s":6.5,"reference_s":6.0,"evidence":"目标是 Google Drive 条带上方、左接长 turquoise（青绿色）延伸条的白色 Gmail 信封图标块，非早先的橙色 Gmail 块。首个完整呈现帧为 5.75 秒，最后合格帧为 6.25 秒；此前 5.50 秒仍被画面上边界裁切，此后 6.50 秒已移出画面。选择 6.00 秒作为关键帧，白色图标块、信封标志及左侧条带均完整清晰，与其他应用条带易于区分。","start_frame":138,"end_frame":156,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[192,343,837,537],"positive_points":[[247,409],[427,461],[618,404],[692,395],[741,453],[800,501]],"negative_points":[[561,177],[493,565],[326,685],[893,443]],"evidence":"目标是 Google Drive 条带上方的 Gmail 横条，右侧为带信封标志的白色方块，左侧连接长青绿色条带。边界框覆盖整个青绿色延伸段及白色图标块；正点分布在条带、白色表面和信封标志上，负点位于上方其他条带、下方间隙、Drive 图标及右侧背景。"}},{"name":"N application strip","description":"White tile containing a tilted teal square and a smaller white inset marked “N,” attached to an orange-to-pink strip above Gmail.","membership":"Include the complete logo tile, its nested emblem and letter, and the attached gradient strip. Exclude the security illustration above it.","id":"obj_008","temporal":{"status":"found","start_s":6.0,"end_s":6.25,"reference_s":6.0,"evidence":"目标是 Gmail 上方带“N”字嵌套徽标的白色图标块及其橙到粉色渐变长条，不含上方安全插画。6.00 秒是首个也是最后一个完整合格帧，图标块和长条均完整位于画面内；前一帧 5.75 秒尚未出现该目标，后一帧 6.25 秒长条右端已被画面边界裁切。选择 6.00 秒作为关键帧，因为目标完整清晰且无遮挡。","start_frame":144,"end_frame":150,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[211,81,899,274],"positive_points":[[249,121],[298,185],[358,246],[440,142],[631,208],[831,175]],"negative_points":[[508,36],[534,307],[748,447],[177,192]],"evidence":"目标位于 Gmail 条带上方，由含倾斜青绿色方块和字母 N 的白色图标 tile，以及右侧橙到粉色渐变条组成。边界框覆盖完整白色图标块及相连渐变条。正点分布于图标块、嵌套标志和渐变条各段；负点位于上方、下方及左侧背景，并包含下方独立的 Gmail 图标。"}},{"name":"Security illustration Drive tile","description":"Small tilted pale tile carrying the green, yellow, and teal Google Drive triangle, positioned on the left of the security illustration near the large key.","membership":"Include the complete pale tile and its triangular emblem. Exclude the key, fingerprint badge, and earlier Drive application strip.","id":"obj_009","temporal":{"status":"found","start_s":6.25,"end_s":11.25,"reference_s":7.75,"evidence":"目标是安全插画左侧、大钥匙旁带绿黄青三角徽标的浅色倾斜小方砖，不是此前的 Drive 应用横条。6.25 秒首次完整出现，前一帧 6.00 秒仅有应用横条；最后纳入 11.00 秒，此时随整幅插画缩小并模糊，但仍可追踪其位置。11.25 秒插画变为带眼睛的模糊色块面板，方砖不再独立可见。选择 7.75 秒作关键帧，方砖和徽标清晰完整，与钥匙及指纹徽章易于区分。","start_frame":150,"end_frame":270,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[106,439,252,699],"positive_points":[[149,483],[120,547],[167,666],[164,547],[168,608],[198,567]],"negative_points":[[297,422],[320,569],[165,303],[89,647]],"evidence":"目���是左侧大钥匙旁、带绿黄青三色 Drive 三角标志的倾斜浅色方块。边界框覆盖完整浅色底板及其标志；正点分布在底板和三色标志上，负点位于指纹徽章、钥匙、上方圆点条及方块外背景。"}},{"name":"Yellow key","description":"Large yellow key with orange shading, an oval bow with a central opening, a long shaft, and toothed end. It rotates diagonally across the left and center of the security illustration.","membership":"Include the complete key silhouette, visible side surfaces, and the area enclosed by its bow. Follow the teeth and other concavities; exclude neighboring symbols and cast or blur effects.","id":"obj_010","temporal":{"status":"found","start_s":6.75,"end_s":11.25,"reference_s":8.0,"evidence":"目标是带橙色侧面、镂空椭圆匙头、长柄和齿端的大黄色钥匙。6.75秒首次完整入画；前一帧6.50秒匙头仍被画面上边界裁切。此后钥匙持续旋转、缩放，至11.00秒虽已模糊缩小，仍保留完整形态；11.25秒转为带眼睛的抽象色块面板，钥匙结构不再完整。选择8.00秒作为关键帧，钥匙轮廓、孔洞和齿端清晰，便于标注。","start_frame":162,"end_frame":270,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[109,149,625,896],"positive_points":[[535,201],[602,351],[510,336],[382,519],[241,699],[146,851]],"negative_points":[[291,436],[550,574],[352,835],[174,578]],"evidence":"目标是从左下斜向中央上方的大型黄色钥匙，带橙色侧面和椭圆形匙柄。边界框覆盖匙柄及其中央开口、长杆和齿状末端，不含模糊投影。六个正点分布于匙柄、杆身和齿端；四个负点位于邻近的指纹、紫色卡片、文件夹和左侧彩色符号上。"}},{"name":"Payment card","description":"Lavender rectangular card with overlapping orange and yellow circles and a teal-shaded corner, floating near the center of the security illustration.","membership":"Include the entire card surface, boundary, visible thickness, and circular emblem. Exclude the key, lock, and document behind it.","id":"obj_011","temporal":{"status":"found","start_s":6.75,"end_s":11.25,"reference_s":8.0,"evidence":"目标是安全插画中央带青绿色阴影角、橙黄重叠圆形标志的淡紫色支付卡。6.50秒卡片仍被画面上缘裁切，6.75秒首次完整呈现；随后旋转、缩放及失焦仍属同一连续出现，最后符合帧为11.00秒。11.25秒插画已转化为带眼睛的模糊矩形面板，原支付卡不再作为独立完整对象呈现。选择8.00秒作为关键帧，卡面、边界和圆形标志清晰，遮挡少。","start_frame":162,"end_frame":270,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[419.5,422.2,679.7,741.7],"positive_points":[[443,568],[581,456],[637,485],[550,572],[525,700],[624,540]],"negative_points":[[430,470],[715,625],[721,310],[353,839]],"evidence":"目标是画面中央斜放的淡紫色支付卡，左角带青色渐变，右上有橙黄重叠圆形徽标。边界框紧贴整张可见卡片的外缘；正点分布于卡面、渐变角、徽标及下端，负点分别位于钥匙、锁、后方文档和下方文件夹上。"}},{"name":"Spreadsheet document","description":"Tall pale sheet with a light gray table grid and a folded teal-purple upper corner, standing at the rear right of the security illustration.","membership":"Include the sheet, folded corner, and printed grid within its outline. The separately listed profile badge remains distinct from the document.","id":"obj_012","temporal":{"status":"found","start_s":6.75,"end_s":9.5,"reference_s":8.0,"evidence":"目标是安全插画后方右侧的浅色高纸张，带灰色表格网格及青绿—紫色折角，不包含前方头像徽章。6.50秒纸张上部仍被画面边界裁切；6.75秒首次完整呈现，9.25秒为最后合格帧，9.50秒开始模糊淡出，网格及轮廓逐渐消隐。选择8.00秒作为关键帧，纸张边界、折角和网格清晰，易与独立头像区分。","start_frame":162,"end_frame":228,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[672,128,914,738],"positive_points":[[725,197],[883,183],[716,313],[697,465],[875,522],[819,679]],"negative_points":[[828,292],[743,615],[836,797],[945,542]],"evidence":"目标是右后方带浅灰表格网格、左上角有青紫色折角的竖向纸张。框覆盖纸张可见范围及折角；正点分布于折角、上缘和露出的网格纸面，负点位于独立头像徽章、橙色锁体、下方卡片及右侧背景，不包含这些遮挡物。"}},{"name":"Profile badge","description":"Teal oval badge containing a black side-profile silhouette with a ponytail, initially overlapping the right-hand spreadsheet document.","membership":"Include the complete oval and its silhouette. Exclude the document behind it and the nearby padlock.","id":"obj_013","temporal":{"status":"found","start_s":6.5,"end_s":11.25,"reference_s":8.0,"evidence":"目标是叠在右侧表格文档前的青绿色椭圆徽章，内有黑色马尾侧脸剪影，不含文档及挂锁。首个合格帧为6.50秒；此前6.25秒徽章上部仍被画面边缘裁切。最后合格帧为11.00秒，徽章虽缩小、模糊但整体仍在；11.25秒已被带眼睛的抽象卡片取代。选择8.00秒作关键帧，椭圆及剪影清晰完整，易与周围对象区分。","start_frame":156,"end_frame":270,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[762.5,190.3,892.2,394.4],"positive_points":[[806.3,216.7],[773.4,262.5],[876.6,322.2],[839.1,283.3],[827.3,358.3],[796.1,298.6]],"negative_points":[[898.4,455.6],[800.8,491.7],[728.1,277.8],[933.6,275]],"evidence":"目标是右上方叠在表格文档上的青绿色椭圆头像徽章，内含黑色马尾侧脸剪影。边界框紧贴完整椭圆及其剪影；六个正点分布在青绿色底面和黑色头像上，四个负点位于后方文档、附近橙色挂锁及外部背景，均不包含在目标内。"}},{"name":"File folder","description":"Teal tabbed folder near the lower left-center of the security illustration. It opens to reveal pale mint and white sheets.","membership":"Include the folder's front and back surfaces and the sheets it contains, following their combined visible outline. Exclude neighboring objects and motion effects.","id":"obj_014","temporal":{"status":"found","start_s":6.25,"end_s":11.25,"reference_s":7.75,"evidence":"目标是安全主题插画左下偏中的青绿色标签文件夹，包含其前后表面及打开后露出的浅薄荷色、白色纸张。首个合格帧为6.25秒，文件夹已完整入镜；前一帧6.00秒尚未出现。最后合格帧为11.00秒，文件夹虽缩小并模糊，仍可辨认；11.25秒插画已变为带眼睛的模糊色块卡片，文件夹独立结构不再可见。选择7.75秒作为关键帧，文件夹及内含纸张清晰完整，与邻近物体易于区分。","start_frame":150,"end_frame":270,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[234.4,679.2,478.1,884.7],"positive_points":[[255.5,848.6],[438.3,847.2],[273.4,761.1],[348.4,731.9],[437.5,770.8],[410.9,691.7]],"negative_points":[[195.3,798.6],[507.8,645.8],[507.8,847.2],[277.3,680.6]],"evidence":"目标是图像左下偏中的青绿色带页签文件夹，内露浅薄荷色和白色纸张。边界框覆盖文件夹前后表面及所含纸张的完整可见轮廓。六个正点分布在前面板、页签和两种纸张上；负点位于邻近钥匙、卡片及文件夹外的白色背景。"}},{"name":"Orange padlock","description":"Orange rectangular lock body with a black keyhole and a large purple shackle, positioned in the lower-right portion of the security illustration and rotating as it enlarges.","membership":"Include the lock body, keyhole, shackle, and area enclosed by the shackle. Follow the outer outline rather than filling the surrounding concavities. Exclude the profile badge and document behind it.","id":"obj_015","temporal":{"status":"found","start_s":6.25,"end_s":11.25,"reference_s":8.0,"evidence":"目标为橙色矩形锁身、黑色钥匙孔及紫色锁梁组成的挂锁，不包含后方头像和文档。6.25秒首次完整出现，前一帧6.00秒尚无挂锁；随后旋转、缩放并逐渐失焦，11.00秒仍可辨认完整挂锁，是最后合格帧。11.25秒已被带眼睛的模糊色块卡片替代，挂锁自身结构不再保留。选择8.00秒作为关键帧，锁身、钥匙孔及锁梁清晰且无遮挡。","start_frame":150,"end_frame":270,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[580.5,358.3,872.7,895.8],"positive_points":[[756.3,370.8],[668,526.4],[588.3,709.7],[811.7,454.2],[736.7,626.4],[653.9,822.2]],"negative_points":[[823.4,300],[882.8,580.6],[539.8,576.4],[374.2,833.3]],"evidence":"目标是右下方带黑色钥匙孔的橙色挂锁。边界框紧贴橙色锁身与紫色锁梁的整体外缘，锁梁围合区域按目标纳入，不填充外围凹处。正点分布在锁梁、锁身和钥匙孔上；负点位于排除的人像徽章、后方文档、左侧卡片及下方文件夹上。"}},{"name":"Signature panel","description":"Mint rectangular panel at the lower right containing a looping teal, pale peach, orange, and purple signature-like stroke.","membership":"Include the panel surface, boundary, and complete colored stroke. Exclude the nearby lock and spreadsheet.","id":"obj_016","temporal":{"status":"found","start_s":6.25,"end_s":11.25,"reference_s":8.0,"evidence":"目标是右下方的薄荷绿色矩形面板，内含青绿、浅桃、橙色和紫色的连续签名状曲线。6.25秒首次完整出现，前一帧6.00秒尚未出现；随后虽变形、缩小并逐渐模糊，至11.00秒仍可辨认面板的连续存在。11.25秒画面转为带眼睛的彩色卡片，原面板结构不再独立可见。选择8.00秒作为关键帧，此时面板和完整彩色曲线清楚，且未被附近锁或表格遮挡。","start_frame":150,"end_frame":270,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[734,707,924,895],"positive_points":[[754,772],[896,742],[904,850],[762,874],[782,763],[858,832]],"negative_points":[[705,662],[857,638],[945,803],[835,932]],"evidence":"目标是右下角带多色环形签名笔画的薄荷色矩形面板。边界框紧贴面板倾斜的外轮廓，包含整个底面及全部彩色笔画；正点分布在面板表面和签名笔画上，负点位于附近橙色锁、后方表格及面板外背景。"}},{"name":"Password indicator strip","description":"Slanted pale rectangular strip at the upper left of the security illustration, containing six colored circular dots.","membership":"Include the strip's surface, boundary, and all six dots. Exclude the fingerprint badge below it and the adjacent key.","id":"obj_017","temporal":{"status":"found","start_s":6.5,"end_s":11.25,"reference_s":8.0,"evidence":"目标是安全插画左上方含六个彩色圆点的浅色斜矩形条，不含下方指纹徽章和旁边钥匙。6.5秒首次完整可见；前一帧6.25秒该条尚在画面上边界之外。此后随插画移动、模糊和缩小，最后保留帧为11.0秒；11.25秒插画变为带眼睛的模糊色块卡片，目标条不再呈现。选择8.0秒作为关键帧，此时边界及六个圆点清晰且无遮挡。","start_frame":156,"end_frame":270,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[79.7,106.9,374.2,423.6],"positive_points":[[116.4,354.2],[204.7,281.9],[293,208.3],[335.2,173.6],[166.4,283.3],[251.6,276.4]],"negative_points":[[294.5,416.7],[403.9,526.4],[117.2,187.5],[171.9,572.2]],"evidence":"目标是左上方倾斜的浅色长方形条，内有六个彩色圆点。边界框紧贴整条外缘，包含条面和全部圆点；正点分布在圆点及浅色条面上，负点位于下方指纹徽章、相邻钥匙、左侧背景和下方独立图标上。"}},{"name":"Fingerprint badge","description":"Lavender oval badge on the left of the security illustration, initially plain before black curved lines build into a fingerprint.","membership":"Include the entire oval and the fingerprint marks appearing within it. Exclude the nearby password strip, key, and Drive tile.","id":"obj_018","temporal":{"status":"found","start_s":6.5,"end_s":11.25,"reference_s":8.0,"evidence":"目标是安全插画左侧的淡紫色椭圆徽章，内部随后绘出黑色指纹。6.50秒椭圆已完整呈现，6.25秒仍被画面上缘裁切；内部指纹的绘制不推迟徽章起点。最后纳入11.00秒，徽章随插画缩小、失焦但仍连续存在；11.25秒插画变为带眼睛的模糊卡片，徽章不再独立呈现。选择8.00秒作为关键帧，椭圆和指纹清晰完整，且与邻近图标易于区分。","start_frame":156,"end_frame":270,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[218.8,273.6,371.9,548.6],"positive_points":[[295,309],[240,403],[251,484],[309,512],[350,392],[288,417]],"negative_points":[[205,282],[376,526],[173,577],[397,319]],"evidence":"目标是画面左侧含黑色指纹曲线的淡紫色椭圆徽章。边界框紧贴整个椭圆，包含内部指纹；六个正点分布于徽章底色及指纹上，负点分别位于附近的密码条、钥匙、Drive图块和外部空白背景，均不属于目标。"}},{"name":"Privacy eye card","description":"Small rounded rectangular card presented at the end on a pale background. Its surface contains blurred yellow, lavender, teal, and orange forms, with a sharp white eye, purple iris, and black pupil near the upper right.","membership":"Include the rounded card surface and its blurred internal imagery, together with the complete eye graphic, including any portion projecting beyond the card edge. Exclude the surrounding background and external blur halo.","id":"obj_019","temporal":{"status":"found","start_s":11.25,"end_s":12.0,"reference_s":11.75,"evidence":"目标是浅色背景上的圆角卡片，内含黄、紫、青、橙色模糊图形，右上方有白色眼睛、紫色虹膜和黑色瞳孔。首个合格帧为11.25秒，卡片与完整眼形已建立，眼睛呈眯起状态；此前11.00秒仍是缩小的模糊图标拼图，尚无眼睛。最后合格帧为11.75秒，目标持续至视频结束，边界后没有采样帧。选择11.75秒作为关键帧，卡片轮廓与睁开的眼睛最清晰。","start_frame":270,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[294,297,706,703],"positive_points":[[322,352],[461,415],[554,395],[619,399],[375,611],[507,657]],"negative_points":[[230,500],[500,220],[760,500],[500,790]],"evidence":"图中淡灰背景中央的圆角卡片具有黄、紫、青和橙色模糊图案，右上方是清晰的白眼、紫色虹膜和黑色瞳孔。边界框覆盖卡片表面及完整眼睛，不包含外围模糊光晕。正点分布于彩色表面和眼睛各部分，负点位于卡片四周的外部背景。"}}]}
+{"video_id":174,"video_type":"visual design and media animation","targets":[{"name":"File-sharing permissions table","description":"Four-column table headed \"Author\", \"File name\", \"Access\", and \"Shared with\" on the dark purple background. Its rows associate Sarah, Albert, Mark, and Joe with files and sharing settings.","membership":"Includes the column headings, all four rows, author markers, file icons and names, access indicators, sharing symbols and counts, and the white selected-row surface. Excludes the surrounding purple background and the later standalone command text.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":1,"evidence":"目标是深紫背景上的四列表格，包含 Author、File name、Access、Shared with 表头及 Sarah、Albert、Mark、Joe 四行，Sarah 行有白色选中底板。首个合格帧为 0.00 秒，视频起点前无采样帧；最后合格帧为 1.25 秒。紧接的 1.50 秒帧中表头及 Sarah 行的权限、共享信息已移除，表格开始拆分，故不纳入。选择 1.00 秒作为关键帧，表格完整清晰、无遮挡。","start_frame":0,"end_frame":36,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[86.7,373.6,906.3,855.6],"positive_points":[[150,387.5],[535.9,486.1],[330.5,644.4],[365.6,727.8],[329.7,829.2],[789.1,725]],"negative_points":[[490,240],[45,500],[950,650],[500,925]],"evidence":"目标是包含 Author、File name、Access、Shared with 四个表头及 Sarah、Albert、Mark、Joe 四行的文件权限表。边界框覆盖全部表头、行内容和白色选中行表面。正点分布在表头字形、白色行表面、文件图标及名称和共享符号上；负点位于表格上方、左右及下方的外围紫色背景。"}},{"name":"Sarah selected entry","description":"White rounded row initially showing Sarah, \"CreditCard.doc\", an access pill, and a sharing count. It contracts into a small white card containing the orange author marker and \"Sarah\", then moves above the revocation command.","membership":"Includes the complete white entry surface, its rounded boundary, and whatever entry contents remain visible as it contracts. Excludes the surrounding table, command text, and transient glow.","id":"obj_002","temporal":{"status":"found","start_s":0.0,"end_s":8.5,"reference_s":0.75,"evidence":"目标是带橙色作者标记和“Sarah”的白色圆角选中行，起初包含CreditCard.doc、权限胶囊和共享人数，随后连续收缩为命令上方的小白卡。首个合格帧为0.00秒，已完整呈现，视频起点前无采样帧；最后合格帧为8.25秒。8.50秒时，退出转场遮罩开始遮住白卡，其完整呈现结束。选择0.75秒为关键帧，此时整行边界清晰、内容明确且无遮挡。","start_frame":0,"end_frame":204,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[87.5,433.3,905.5,566.7],"positive_points":[[120,463],[218,508],[402,503],[536,540],[644,504],[856,474]],"negative_points":[[160,386],[227,636],[643,725],[937,500]],"evidence":"目标是包含橙色作者标记、Sarah、CreditCard.doc、Private 标签及共享数37的白色圆角选中行。边界框紧贴完整白色行及其圆角边界；正点分布于行内表面和内容，负点位于上方表头、下方其他条目及右侧外部背景。"}},{"name":"CreditCard.doc access control","description":"Rounded access pill inside Sarah's selected row, changing from orange-gradient \"Public\" to purple-gradient \"Private\".","membership":"Includes the pill surface, rounded boundary, and its access label. Excludes the white row backing, filename, and neighboring sharing indicators.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":1.0,"evidence":"目标是 Sarah 白色选中行内的圆角访问权限胶囊，从橙色渐变“Public”变为紫色渐变“Private”，不含行背景和共享指示器。首个合格帧为 0.00 秒，已完整显示；视频起点前无采样帧。最后合格帧为 1.25 秒，胶囊仍完整可见；紧邻的 1.50 秒帧中胶囊已消失。选择 1.00 秒作为关键帧，此时紫色边界与“Private”标签清晰且无遮挡。","start_frame":0,"end_frame":36,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[592.2,470.8,693.8,540.3],"positive_points":[[605,499],[619,522],[637,483],[651,506],[668,524],[682,501]],"negative_points":[[560,505],[720,505],[432,505],[790,505]],"evidence":"目标是 Sarah 的 CreditCard.doc 所在白色选中行内、标有“Private”的紫色渐变圆角访问权限按钮。边界框紧贴按钮表面及圆角边界，并包含标签。六个正点分布在按钮表面和标签区域；四个负点位于两侧白色行背景、文件名和右侧共享指示图标上。"}},{"name":"Public-link revocation command","description":"Large lavender text progressively revealing \"/ revoke public link in 7 days\", first near the center and then arranged in three lines on the left beneath Sarah's card.","membership":"Includes the complete revealed command text across its lines. Excludes Sarah's card, the dark background, and the adjacent document grid.","id":"obj_004","temporal":{"status":"found","start_s":2.0,"end_s":8.75,"reference_s":4.25,"evidence":"目标为 Sarah 卡片下方的三行淡紫色命令文字“/ revoke public link in 7 days”。2.00 秒首次完整显示，前一��� 1.75 秒仅揭示“/ revoke”。最后合格帧为 8.50 秒，文字仍完整；8.75 秒文字开始被转场遮罩遮去。选择 4.25 秒作为关键帧，此时全部文字清晰、无遮挡，且与右侧文档网格易于区分。","start_frame":48,"end_frame":210,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[106.25,402.78,381.25,759.72],"positive_points":[[117.2,444.4],[271.1,447.2],[113.3,604.2],[294.5,566.7],[182.8,708.3],[331.3,732]],"negative_points":[[203.1,250],[604.7,562.5],[62.5,597.2],[420.3,833.3]],"evidence":"目标是 Sarah 卡片下方的三行淡紫色命令“/ revoke public link in 7 days”。边界框紧贴完整文字块，包含行间与字符间距；六个正点分布在三行文字的实际笔画上，四个负点位于 Sarah 卡片、右侧文档图标及文字外围的深色背景。"}},{"name":"Document access grid","description":"Three-column file display on the lavender right-hand panel. White sheets with teal folded corners carry filenames including \"Payslips.doc\", \"Data.exe\", \"CreditCard.doc\", \"Passwords.exe\", \"Addresses.doc\", and \"Finances.doc\". Their globe symbols change to padlocks as the grid scrolls.","membership":"Includes the lavender file-display panel, its visible boundary, and all document sheets, folded corners, access symbols, and filename labels within it, including partially clipped rows. Excludes the left-hand Sarah card and command, and the geometric transition that replaces the display.","id":"obj_005","temporal":{"status":"found","start_s":3.0,"end_s":8.5,"reference_s":4.25,"evidence":"目标是右侧淡紫色三列文件展示面板，包含文件纸张、折角、文件名及由地球变为锁的权限图标。首个合格帧为3.00秒，面板已完整进入预定布局；前一帧2.75秒仍在入场，右列文件被画面右缘截断。最后合格帧为8.25秒，8.50秒几何转场开始遮盖并替换展示面板。选择4.25秒作为关键帧，面板边界、三列文件和权限图标清晰，底部部分裁切行属于该展示的设计。","start_frame":72,"end_frame":204,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[500,0,1000,1000],"positive_points":[[538,85],[607,218],[911,290],[752,569],[661,729],[595,932]],"negative_points":[[203,249],[235,454],[123,814],[428,580]],"evidence":"右侧淡紫色面板内有三列文件，名称包括 Payslips.doc、Data.exe 和 Finances.doc，符合目标描述。边界框覆盖整个可见文件面板及底部被截断的文件行；正点分布在面板底色、文件纸张和访问图标上，负点位于左侧 Sarah 卡片、命令文字及深色背景。"}},{"name":"Security shield","description":"Large shield-shaped graphic assembled from lavender, dark purple, teal, and orange-gradient sections, initially containing a small author list and rounded bars. It contracts and rotates into a compact purple shield bearing a double-triangle emblem.","membership":"Includes the shield's actual outer silhouette, enclosed surface, visible thickness, colored sections, and internal graphics. Excludes surrounding background, transient blur, and the larger concentric shield outlines introduced around it.","id":"obj_006","temporal":{"status":"found","start_s":11.25,"end_s":13.25,"reference_s":12.25,"evidence":"目标由分色大盾牌收缩、旋转为带双三角徽记的紫色盾牌；不包含外围同心盾形轮廓。11.25秒首次完整呈现自身轮廓，随后旋转及颜色变化仍属同一对象，最后合格帧为13.00秒。此前11.00秒的大盾牌仍被画面上缘裁切；13.25秒已切换为应用图标网格，盾牌消失。选择12.25秒作为关键帧，因为盾牌正面轮廓与徽记清楚，且易与外围轮廓区分。","start_frame":270,"end_frame":318,"reference_frame":294},"grounding":{"status":"found","bbox_xyxy":[421.1,281.9,578.1,672.2],"positive_points":[[436.7,316.7],[554.7,325],[444.5,505.6],[555.5,506.9],[500,634.7],[499.2,452.8]],"negative_points":[[318,347.2],[680,486.1],[500,173.6],[628.1,822.2]],"evidence":"目标是画面中央带双三角徽记的紧凑紫色盾牌。边框紧贴其顶部、两侧及底部尖端，包含填充表面和内部徽记。正点分布于盾牌上部、两侧、尖端和徽记；负点位于外围背景及更大的同心盾形轮廓，排除这些轮廓和模糊效果。"}},{"name":"Concentric protection outlines","description":"Nested shield-shaped outlines surrounding the compact central shield, with teal, pale gray, and purple-to-teal gradient strokes against white.","membership":"Includes the outlines and the areas they enclose, following the shield contours rather than a rectangular envelope. The central shield remains within this region while also being separately identified. Excludes exterior white background and transient blur beyond the outlines.","id":"obj_007","temporal":{"status":"found","start_s":11.5,"end_s":13.25,"reference_s":12.5,"evidence":"目标是围绕中央小盾牌的青绿色、浅灰色及紫—青渐变三层盾形轮廓，包含各轮廓围住的区域。11.50秒三层轮廓已共���建立，外围采用有意超出画面的设计；此前11.25秒尚未呈现完整的三层组合。最后合格帧为13.00秒，13.25秒已替换为应用图标网格。选择12.50秒作关键帧，轮廓清楚、层次分明，中央盾牌无遮挡。","start_frame":276,"end_frame":318,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[53.9,0,946.9,1000],"positive_points":[[77,260],[922,435],[270,580],[497,469],[331,360],[626,781]],"negative_points":[[20,210],[980,390],[75,920],[934,972]],"evidence":"目标是围绕中央实心盾牌的青色、浅灰色及紫青渐变嵌套盾形轮廓，包含轮廓内区域和中央盾牌。边界框按最外层青色轮廓的可见范围测量，上下均被图像边缘截断，不计轮廓外的模糊光晕。正点分布于两侧轮廓、内层渐变轮廓和内部区域；负点位于最外层盾形之外的白色背景。"}},{"name":"Slack application tile","description":"Rounded square tile with a multicolored Slack-style mark, initially left of center in the application grid. Its backing becomes bright yellow when a notification appears, and the tile moves toward the center before the messaging interface opens.","membership":"Includes the tile surface, rounded boundary, visible side thickness, and the multicolored mark on its small white backing. Excludes the orange notification badge, surrounding application tiles, pointer, and temporary glow.","id":"obj_008","temporal":{"status":"found","start_s":13.25,"end_s":20.25,"reference_s":16.5,"evidence":"目标为应用网格中带多色 Slack 标志的圆角方形磁贴，随后底色变黄并移向中央；不包含橙色通知徽章、指针或光晕。13.25 秒磁贴表面、圆角边界及侧面厚度已完整可见，前一帧 13.00 秒仍是盾牌画面。最后合格帧为 20.00 秒，20.25 秒已转换为带紫色侧栏的消息界面，不再是原磁贴。选择 16.50 秒作为关键帧，此时磁贴完整清晰、无遮挡，且易与周围灰色磁贴区分。","start_frame":318,"end_frame":486,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[194,272,469,730],"positive_points":[[234,334],[224,643],[425,645],[300,463],[363,427],[374,532]],"negative_points":[[466,290],[121,472],[592,518],[365,828]],"evidence":"目标是画面偏左中央的亮黄色圆角 Slack 应用磁贴。边界框紧贴磁贴可见外缘，覆盖黄色表面、白色小底板和彩色标志，不包含橙色通知徽章。正点分布在黄色表面及彩色标志上；负点位于通知徽章和左、右、下方的其他磁贴上。"}},{"name":"Trello application tile","description":"Rounded light-gray tile to the right of the Slack tile, displaying one tall teal rounded bar and one short teal block.","membership":"Includes the complete tile surface, boundary, visible thickness, and teal symbol. Excludes neighboring tiles and the white gaps between them.","id":"obj_009","temporal":{"status":"found","start_s":13.25,"end_s":13.75,"reference_s":13.25,"evidence":"目标是 Slack 右侧的浅灰圆角应用磁贴，带一长一短两个青色块，并有可见的紫色侧面厚度。13.25 秒首次完整出现，13.50 秒仍完整可见；此前 13.00 秒是盾牌画面，尚无该磁贴，之后 13.75 秒磁贴右侧开始被画面边界裁切。选择 13.25 秒作为关键帧，磁贴表面、边界、厚度和符号均清楚且无遮挡。","start_frame":318,"end_frame":330,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[734,246,951,754],"positive_points":[[770,294],[798,536],[859,390],[869,663],[754,675],[930,542]],"negative_points":[[520,501],[682,525],[973,538],[836,786]],"evidence":"目标是图像右侧带一长一短青色圆角条的 Trello 磁贴。边界框覆盖完整浅灰色圆角表面、边界及右侧紫色厚度。正点分布在磁贴表面、青色标志和紫色侧边；负点位于左侧相邻磁贴及目标周围的白色间隙。"}},{"name":"Gmail application tile","description":"Light-gray rounded tile above and to the right of Slack, with a red envelope-shaped M symbol.","membership":"Includes the tile surface, boundary, visible thickness, and envelope symbol, including portions clipped by the frame. Excludes neighboring tiles and surrounding white space.","id":"obj_010","temporal":{"status":"found","start_s":13.25,"end_s":19.5,"reference_s":18.0,"evidence":"目标是 Slack 上方偏右、带红色信封状 M 标志的浅灰圆角应用磁贴，包含可见厚度；画面边缘的裁切属于网格构图。首个合格帧为13.25秒，前一帧13.00秒仍是盾牌画面。最后合格帧为19.25秒，19.50秒起磁贴随背景虚化、淡出并被暖色过渡覆盖。选择18.00秒作为关键帧，此时标志清楚，磁贴与邻近应用容易区分。","start_frame":318,"end_frame":468,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[737,0,967,278],"positive_points":[[777,16],[791,103],[900,67],[764,209],[891,236],[939,140]],"negative_points":[[636,137],[973,196],[696,422],[458,369]],"evidence":"目标是 Slack 右上方带红色信封状 M 标志的浅灰色圆角 Gmail 磁贴。边框覆盖磁贴表面、圆角边界及可见厚度，顶部延伸至图像裁切边缘。六个正点分布在磁贴表面和信封标志上；四个负点位于相邻磁贴及外部白色间隙。"}},{"name":"Slack notification badge","description":"Orange circular badge labeled \"1\" attached to the upper-right edge of the highlighted Slack tile.","membership":"Includes the orange disk and its numeral. Excludes the Slack tile beneath it and transient lighting around the notification.","id":"obj_014","temporal":{"status":"found","start_s":15.75,"end_s":20.25,"reference_s":18.0,"evidence":"目标是高亮 Slack 方块右上角带数字“1”的橙色圆形通知徽标，不包含下方方块及周围光效。15.75 秒首次完整显示圆盘和数字，20.00 秒为最后一个符合条件的帧；此前 15.50 秒徽标仍在显现，数字尚未完整清晰呈现，之后 20.25 秒方块转为 Slack 窗口，徽标消失。选择 18.00 秒作关键帧，徽标轮廓与数字清晰，且无遮挡。","start_frame":378,"end_frame":486,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[519.5,270.8,594.5,402.8],"positive_points":[[557.8,293.1],[537.5,318.1],[554.7,336.1],[578.9,329.2],[567.9,370.8],[536.7,366.7]],"negative_points":[[507.8,458.3],[617.2,291.7],[625,458.3],[546.9,236.1]],"evidence":"目标是高亮 Slack 磁贴右上角带数字“1”的橙色圆形通知徽章。边界框紧贴橙色圆盘及数字，不包含外围光晕或下方磁贴；六个正点分布在圆盘各部及数字上，四个负点位于徽章外的磁贴和背景区域。"}},{"name":"Animated selection pointer","description":"Large solid black arrow-shaped pointer that approaches the highlighted Slack tile and moves aside as the messaging interface opens.","membership":"Includes only the pointer's filled silhouette, following its pointed head and concave tail shape. Excludes the application tiles, messaging interface, and any surrounding glow.","id":"obj_015","temporal":{"status":"found","start_s":17.5,"end_s":21.0,"reference_s":18.25,"evidence":"目标是靠近黄色高亮 Slack 图块、随后在消息界面打开时移向旁侧的大型实心黑色箭头，具有尖头和内凹尾部。首个完整呈现帧为17.50秒，前一帧17.25秒尚无指针；最后合格帧为20.75秒，指针仍完整可见，区间延续至视频结束21.00秒，无后续帧。选择18.25秒作为关键帧，指针轮廓清晰、无遮挡，易与应用图块区分。","start_frame":420,"end_frame":504,"reference_frame":438},"grounding":{"status":"found","bbox_xyxy":[664.8,661.1,738.3,818.1],"positive_points":[[671.9,686.1],[683.6,711.1],[701.6,734.7],[725,750],[684.4,761.1],[677.3,797.2]],"negative_points":[[634.4,722.2],[742.2,813.9],[642.2,911.1],[461,504]],"evidence":"目标是高亮 Slack 磁贴右下方、Notion 图标上方的黑色箭头指针。边界框紧贴其尖头、右侧突出部和内凹尾部的完整实心轮廓；六个正点分布在黑色轮廓内部，四个负点位于外围浅色背景及其他应用图标上，排除磁贴和周围光晕。"}},{"name":"Slack channel and member sidebar","description":"Dark plum navigation sidebar in the opened messaging interface, with the Slack mark, channel names including \"#annual-planning\", \"#billing-documents\", \"#development\", \"#customersuccess\", \"#documents\", and \"#newsletter\", followed by a colored-dot member list.","membership":"Includes the sidebar's plum surface and boundary, Slack mark, channel list, selected-channel styling, and visible member list. Excludes the light conversation area, outer background, and black pointer.","id":"obj_016","temporal":{"status":"found","start_s":20.25,"end_s":21.0,"reference_s":20.75,"evidence":"目标是打开的消息界面左侧深梅紫色导航栏，包含 Slack 标志、频道列表及彩色圆点成员列表。20.25 秒栏面和边界已建立，后续内部内容逐渐清晰，持续至最后采样帧 20.75 秒；放大的界面采用裁切布局，未见侧栏退出。前一帧 20.00 秒仍是应用图标网格，没有该侧栏。选择 20.75 秒作为关键帧，因为频道与成员列表最清楚。区间到达视频末尾，无后续帧。","start_frame":486,"end_frame":504,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[37,82,271,1000],"positive_points":[[104,176],[189,251],[151,386],[164,487],[127,707],[117,937]],"negative_points":[[26,420],[204,40],[310,550],[777,920]],"evidence":"根据深紫色导航栏、Slack 标志、频道名称及彩色圆点成员列表识别目标。边界框紧贴侧栏可见范围，下缘延伸至图像底部；正点分布在标志、紫色表面、频道和成员列表上，负点位于外围淡紫背景、右侧浅色会话区及黑色指针上。"}},{"name":"Slack conversation panel","description":"Light conversation area beside the plum sidebar, showing messages attributed to Jenna, Mark, and Sarah, document attachments labeled \"CustomerData.pdf\", \"Newsletter.pdf\", and \"Report.pdf\", and a bottom message-entry field.","membership":"Includes the conversation panel surface and its visible boundary, message avatars, author and time labels, message-line graphics, attachment cards, and message-entry field. Excludes the navigation sidebar, exterior background, and animated pointer.","id":"obj_017","temporal":{"status":"found","start_s":20.5,"end_s":21.0,"reference_s":20.75,"evidence":"目标是梅紫色侧栏右侧的浅色会话面板，可见 Jenna、Mark、Sarah 的消息及三个 PDF 附件，不包括侧栏和黑色指针。20.50 秒面板表面与布局已建立，为首个合格帧；此前 20.25 秒仍处于黄色图标向窗口展开的模糊揭示阶段。最后合格帧为 20.75 秒，随后视频结束，无后续采样帧。选择 20.75 秒作为关键帧，因为消息、附件和底部输入框最清晰。","start_frame":492,"end_frame":504,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[239,87,997,1000],"positive_points":[[304,261],[620,152],[581,440],[440,599],[638,751],[528,892]],"negative_points":[[160,488],[554,35],[989,819],[778,913]],"evidence":"目标是紫红色侧栏右侧的浅色会话面板，可见 Jenna、Mark、Sarah 的消息、三个 PDF 附件及底部输入框。框覆盖面板可见表面与边界，下缘延伸至图像底部。正点分布于头像、面板表面、消息区、附件和输入区；负点位于侧栏、上方及右侧外部背景，以及明确排除的黑色指针上。"}}]}
+{"video_id":175,"video_type":"visual design and media animation","targets":[{"name":"“together” text","description":"Large turquoise lowercase lettering on cream, initially revealed as “to” before expanding to “together” over diagonal stripes.","membership":"Includes the complete revealed word throughout its scaling and expansion. Excludes the cream background and diagonal stripes.","id":"obj_001","temporal":{"status":"found","start_s":1.0,"end_s":1.75,"reference_s":1.25,"evidence":"目标为奶油色背景、斜条纹前的青绿色小写“together”。1.00秒首次完整显示，至1.50秒仍完整可见；前一帧0.75秒仅揭示“toge”，后一帧1.75秒文字已消失，仅剩斜条纹。选择1.25秒作为关键帧，完整词形清晰、无遮挡，便于标注。","start_frame":24,"end_frame":42,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[4.2,371.3,979.7,756.5],"positive_points":[[39,533],[114,547],[344,631],[448,560],[643,412],[922,592]],"negative_points":[[130,190],[500,145],[370,883],[877,861]],"evidence":"图中完整显示青绿色小写单词“together”。边界框紧贴整个单词，包含最高的字母笔画及 g 的下伸部分。六个正点分布在不同字母的实心笔画上；四个负点位于文字外围的奶油色背景或斜纹上，避开字母内部空洞及字间空隙。"}},{"name":"“better than” text","description":"Turquoise lowercase phrase initially revealed as “be”, then displayed across the lower cream scalloped area.","membership":"Includes only the letters of the progressively revealed phrase. Excludes the scalloped backing and bird graphic.","id":"obj_002","temporal":{"status":"found","start_s":3.0,"end_s":3.75,"reference_s":3.0,"evidence":"目标是奶油色波浪边区域下方的青绿色小写文字“better than”，不含背景和鸟。3.00秒首次完整显示，3.50秒为最后完整显示的采样帧；此前2.75秒仅显示“be”，尚未完成揭示，之后3.75秒文字已移至画面底部并被裁切。选择3.00秒作为关键帧，文字完整清晰且无遮挡。","start_frame":72,"end_frame":90,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[221.9,707.4,960.4,886.1],"positive_points":[[233,756],[322,824],[409,790],[554,870],[737,750],[947,828]],"negative_points":[[170,720],[520,650],[820,944],[620,230]],"evidence":"目标是下方奶油色波浪背景上的青绿色小写“better than”。边界框紧贴整段文字的可见字形范围；六个正点分散在左右各处的字母笔画上，四个负点位于文字外围的奶油色衬底及上方青绿色背景，避开字间空隙和字母内部孔洞。"}},{"name":"Flying bird graphic","description":"Flat pink bird facing left, with a circular eye opening, pointed wings, and long trailing tail shapes; it emerges above the cream scalloped area.","membership":"Includes the bird’s body, beak, wings, and tail shapes. Excludes the eye opening, gaps between feathers, surrounding background, and adjacent text.","id":"obj_003","temporal":{"status":"found","start_s":3.75,"end_s":4.5,"reference_s":4.0,"evidence":"目标是朝左飞行的粉色鸟形图案，具有圆形眼孔、尖翼和长尾。首个完整呈现帧为3.75秒，最后 qualifying 帧为4.25秒，期间翅膀姿态变化但鸟形保持完整。此前3.50秒仍被奶油色波浪区域遮挡，尚未完成显露；此后4.50秒鸟已向左离场并被画面边界裁切。选择4.00秒作为关键帧，因为鸟的身体、喙、翅膀和尾部轮廓清晰且无遮挡。","start_frame":90,"end_frame":108,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[75,65,559.4,605.6],"positive_points":[[96.4,324.1],[199.5,218.5],[228.6,443.5],[381.3,395.4],[416.7,301.9],[497.4,569.4]],"negative_points":[[609.4,448.1],[677.1,500],[338.5,166.7],[270.8,666.7]],"evidence":"目标是画面左侧朝左飞翔的粉色鸟形图案。边界框覆盖鸟喙、身体、上伸的翅膀及向右延伸的羽尾；正点分布在这些实色部位，避开眼孔和羽毛间隙。负点位于右侧文字及鸟形外部的青绿色背景上。"}},{"name":"“of a” text","description":"Pink lowercase phrase displayed to the right of the flying bird on turquoise, then moving toward the upper left.","membership":"Includes both words as one text block. Excludes the bird, feather, and turquoise background.","id":"obj_004","temporal":{"status":"found","start_s":4.0,"end_s":4.75,"reference_s":4.0,"evidence":"目标是青绿色背景上、飞鸟右侧的粉色小写“of a”，两词作为一个文字块。首个完整呈现帧为4.00秒，随后向左上方移动，4.50秒仍完整可见，为最后合格帧；前一帧3.75秒尚无该文字，后一帧4.75秒该文字已消失，画面转为羽毛及新文字。选择4.00秒作为关键帧，文字清晰完整，与飞鸟分离且无遮挡。","start_frame":96,"end_frame":114,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[578,389,801,563],"positive_points":[[588,498],[640,500],[682,406],[674,531],[771,449],[788,530]],"negative_points":[[312,472],[713,667],[755,315],[854,491]],"evidence":"目标是飞鸟右侧粉色小写短语“of a”。边界框紧贴并覆盖完整文字块；六个正点分布在 o、f、a 的实际笔画上，四个负点位于左侧飞鸟及文字外围的青绿色背景，避开字孔和字间空隙。"}},{"name":"Pink feather graphic","description":"Large isolated pink feather angled upward to the right beneath “of a”, with a long shaft and notched edges.","membership":"Includes the feather silhouette and shaft, following its notches and open central separation. Excludes surrounding text and background.","id":"obj_005","temporal":{"status":"found","start_s":4.5,"end_s":4.75,"reference_s":4.5,"evidence":"目标是“of a”下方朝右上倾斜的粉色羽毛，具有长羽轴、缺口边缘和中央分隔。4.50秒为首个及最后一个完整呈现的采样帧；此前4.25秒羽毛尚在鸟形下方显露，结构未完整独立呈现，之后4.75秒放大的羽毛已被画面边界裁切。选择4.50秒作为关键帧，因为羽毛完整、孤立且轮廓清晰。","start_frame":108,"end_frame":114,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[244,311,690,693],"positive_points":[[268,683],[349,597],[455,488],[539,429],[644,351],[454,629]],"negative_points":[[525,199],[172,207],[226,530],[589,716]],"evidence":"目标是“of a”下方独立的、向右上方倾斜的粉色羽毛。边界框紧贴羽毛尖端、两侧羽片和左下方长轴；六个正点分布在羽轴及不同羽片上，避开缺口与中央分离区域。负点位于上方文字、左上方另一羽毛及目标外围背景。"}},{"name":"“you & me” text","description":"Pink lyric block on turquoise, progressively assembled vertically on the right with “you” above an ampersand and “me”.","membership":"Includes all three textual elements of the block throughout their reveal and repositioning. Excludes background and incoming burgundy shapes.","id":"obj_006","temporal":{"status":"found","start_s":5.25,"end_s":6.75,"reference_s":5.5,"evidence":"目标是青绿色背景右侧粉色的“you”“&”“me”三行文字。5.25秒三项首次全部完整可见，之后虽有位置调整仍持续完整呈现，最后合格帧为6.50秒。此前5.00秒只有“you”和“&”，尚未完成整组揭示；此后6.75秒文字消失，出现酒红色过渡形状。选择5.50秒为关键帧，整组文字清晰、完整且无遮挡。","start_frame":126,"end_frame":162,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[537.5,115.7,878.1,865.7],"positive_points":[[560,176],[697,137],[849,199],[767,391],[672,790],[830,773]],"negative_points":[[300,450],[943,520],[735,52],[734,941]],"evidence":"目标为右侧粉色“you & me”文字块，分三行排列。边界框紧密覆盖全部文字及其行间、字间空隙；六个正点分布在各字母和与号的实际笔画上，四个负点位于文字块外围的青绿色背景。"}},{"name":"Burgundy cloud bank","description":"Connected rounded burgundy cloud shapes that enter from above and later occupy the lower foreground of the weather illustration.","membership":"Includes the filled cloud bank following its visible scalloped outline. Excludes text, the pink sun, and the surrounding cream or turquoise field.","id":"obj_007","temporal":{"status":"found","start_s":7.75,"end_s":10.0,"reference_s":8.5,"evidence":"目标是相连的酒红色圆弧云团，不含文字和粉色太阳。7.75秒首次完整呈现云层的上下扇贝状轮廓，随后成为天气插图中有意裁切的下方前景；最后合格帧为9.75秒。此前7.50秒仍在从上方进���，上缘被画面截断；10.00秒云层已向下退出，仅剩底边附近的局部弧顶。选择8.50秒作为关键帧，云层与奶油色背景、粉色太阳分界清晰，便于标注。","start_frame":186,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[0,599,1000,1000],"positive_points":[[94,787],[331,782],[640,687],[923,923],[429,939],[733,923]],"negative_points":[[260,550],[50,550],[755,370],[930,700]],"evidence":"目标是图像下方连成一片、顶部呈圆弧起伏的酒红色云层。边界框覆盖其最高圆顶至图像底边，并横跨左右边缘。六个正点分布在各个云峰及下部填充区域；负点位于粉色太阳、天气文字和外围奶油色背景上。"}},{"name":"“we’ll change the” text","description":"Burgundy lowercase phrase progressively revealed beneath the burgundy cloud shapes on turquoise.","membership":"Includes the complete phrase as one text block. Excludes the cloud shapes and background.","id":"obj_008","temporal":{"status":"found","start_s":7.5,"end_s":7.75,"reference_s":7.5,"evidence":"目标是青绿色背景上、酒红色云朵下方的酒红色小写文字“we’ll change the”，不包括云朵。7.5秒首次完整显示，也是最后一个符合条件的采样帧；前一帧7.25秒仅显示“we’ll change”，后一帧7.75秒文字已被云朵遮去。选择7.5秒作为关键帧，因为完整短语清晰可见、无遮挡。","start_frame":180,"end_frame":186,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[15.6,471.3,961,725.9],"positive_points":[[52.1,654.6],[268.8,592.6],[402.1,600],[658.9,638.9],[794.3,527.8],[932.3,569.4]],"negative_points":[[260.4,185.2],[500,435.2],[520.8,842.6],[979.2,713]],"evidence":"图中酒红色小写短语“we’ll change the”位于云形下方。边界框紧贴整段文字的可见范围，包含字符间距；六个正点分布在短语各部分的字形笔画上，负点位于上方云形及文字外围的青绿色背景上。"}},{"name":"Pink sun graphic","description":"Large solid pink circular sun on the left, partially concealed behind the burgundy cloud bank in the weather scene.","membership":"Includes the circular disk within its outer boundary, limited to visible portions when occluded. Excludes foreground clouds and text.","id":"obj_009","temporal":{"status":"found","start_s":8.0,"end_s":9.75,"reference_s":8.5,"evidence":"目标是天气场景左侧、被前景酒红色云层部分遮挡的实心粉色太阳圆盘，不含云层和文字。首个合格帧为8.00秒，最后为9.50秒；此前7.75秒仅见云层，尚无可见太阳，之后9.75秒太阳放大并开始被画面左边界裁切。选择8.50秒作为关键帧，圆盘轮廓清晰，易与云层及文字区分。","start_frame":192,"end_frame":234,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[69.3,340.7,457.8,779.6],"positive_points":[[260,426],[146,509],[365,509],[94,667],[255,676],[422,676]],"negative_points":[[182,833],[36,463],[760,380],[271,250]],"evidence":"目标是左侧被酒红色云层部分遮挡的大型粉色太阳。边界框紧贴圆盘可见部分的外缘；六个正点分布在可见粉色圆盘上，四个负点分别位于前景云层、左侧与上方背景及右侧文字上。"}},{"name":"“weather” text","description":"Pink lowercase word displayed to the upper right of the sun on cream.","membership":"Includes only the word’s lettering. Excludes the sun, cloud bank, and subsequent “yeah” text.","id":"obj_010","temporal":{"status":"found","start_s":8.0,"end_s":9.25,"reference_s":8.5,"evidence":"目标是奶油色背景上、粉色太阳右上方的粉色小写“weather”字样，仅包含字母。首个合格帧为8.00秒，最后一个为9.00秒，文字均完整可见；此前7.75秒只有云层等图形，尚无该文字，之后9.25秒该词消失，替换为“yeah”。选择8.50秒作为关键帧，文字完整清晰、无遮挡，且与太阳和云层易于区分。","start_frame":192,"end_frame":222,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[470.8,317.6,927.1,466.7],"positive_points":[[497,422],[578,414],[684,431],[718,418],[760,363],[897,424]],"negative_points":[[263,556],[650,788],[703,246],[870,533]],"evidence":"目标是太阳右上方的粉色小写“weather”。边界框紧贴整个单词的可见字形范围；六个正点分布在不同字母的实心笔画上，四个负点分别位于太阳、深色云层及文字上方和下方的奶油色背景，均避开文字内部空隙。"}},{"name":"“yeah” text","description":"Pink lowercase word entering above “weather” and replacing it beside the sun.","membership":"Includes only the letters of “yeah” throughout their movement. Excludes the weather illustration and other text.","id":"obj_011","temporal":{"status":"found","start_s":9.25,"end_s":10.0,"reference_s":9.5,"evidence":"目标是太阳右侧、替代“weather”的粉色小写“yeah”，仅包含其字母。首个完整呈现帧为9.25秒，最后合格帧为9.75秒；此���9.00秒该词从上方进入，仍被画面上边界裁切，之后10.00秒已消失并切换为饮料与其他文字。选择9.50秒作关键帧，此时单词完整清晰、无遮挡，易于独立标注。","start_frame":222,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[661,237.9,920.3,429.6],"positive_points":[[676,296],[677,411],[734,326],[819,366],[872,260],[910,346]],"negative_points":[[792,185],[943,324],[786,486],[266,556]],"evidence":"目标是图像右上方的粉色小写单词“yeah”。边界框紧贴整个单词，包含 y 的下伸部分和 h 的顶部；六个正点分布在四个字母的实际笔画上，负点位于单词外的浅色背景及左侧粉色太阳上。"}},{"name":"Iced drink glass","description":"Tall tapered glass with a turquoise outline, cream drink, two outlined ice cubes, and a bent burgundy straw, introduced as the weather scene transitions to pink.","membership":"Includes the glass boundary and enclosed contents, both ice cubes, and the straw extending beyond the rim. Excludes adjacent lyrics and background.","id":"obj_012","temporal":{"status":"found","start_s":10.0,"end_s":11.0,"reference_s":10.5,"evidence":"目标是青绿色轮廓的高身锥形饮料杯，内有奶油色饮料、两块描边冰块及伸出杯口的酒红色弯吸管。首个完整帧为10.00秒，最后 qualifying 完整帧为10.75秒；9.75秒杯子仍在转场遮罩中揭露且上部被裁切，11.00秒杯壁轮廓消失、吸管出现断开，开始解体变形。选择10.50秒作为关键帧，杯子与冰块、吸管均完整清晰，无明显遮挡。","start_frame":240,"end_frame":264,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[148,334,349,860],"positive_points":[[292,354],[204,419],[175,756],[262,728],[257,589],[314,590]],"negative_points":[[120,600],[393,565],[244,922],[331,178]],"evidence":"目标是左下方的高脚渐窄饮料杯，具有青绿色杯框、奶油色饮料、两块描边冰块和酒红色弯吸管。框覆盖完整杯体及伸出杯口的吸管；正点分布在吸管、杯沿、两侧杯框、饮料和冰块上，负点位于杯外粉色背景及上方歌词处。"}},{"name":"“we’re feeling heat in” text","description":"Turquoise lowercase lyric line spanning the top of the pink scene above the iced drink.","membership":"Includes the entire progressively revealed line. Excludes the drink illustration and backing color.","id":"obj_013","temporal":{"status":"found","start_s":10.25,"end_s":10.75,"reference_s":10.5,"evidence":"目标是粉色场景顶部、冰饮上方的青绿色小写整行“we’re feeling heat in”。10.25秒首次完整显示，10.50秒仍完整，为最后合格帧；此前10.00秒仅显示“we’re feeling heat”，尚未完成文字揭示；此后10.75秒整行上移并被画面顶部裁切。选择10.50秒作关键帧，文字完整清晰且无遮挡。","start_frame":246,"end_frame":258,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[33.3,94.4,971.9,256.5],"positive_points":[[139.1,203.7],[255.2,203.7],[330.7,179.6],[602.1,241.7],[750,200],[962,177.8]],"negative_points":[[500,50],[520.8,370.4],[160.9,601.9],[833.3,740.7]],"evidence":"目标是画面顶部青绿色的“we’re feeling heat in”整行文字，边界框紧贴全部可见字形并包含字符间隔。六个正点分散落在该行不同位置的字形笔画上；负点位于文字外的粉色背景及下方饮料杯轮廓上，排除饮料插画和背景。"}},{"name":"“december when you ’round me” text","description":"Pink lyric block to the right of the drink, building from “december” into three lines while the drink changes to a hot cup.","membership":"Includes all letters of the progressively assembled block, including the leading apostrophe before “round”. Excludes the drink graphics, steam, and background.","id":"obj_014","temporal":{"status":"found","start_s":11.75,"end_s":14.0,"reference_s":12.5,"evidence":"目标是饮品右侧的粉色三行歌词，包含 ’round 前的撇号。11.75 秒所有字母已出现，末尾 me 虽较小且间距较大，但之后只是放大和调整位置；前一帧 11.50 秒尚未出现 me。最后合格帧为 13.75 秒，文字仍完整；14.00 秒文字向左离场并被画面边界裁切。选择 12.50 秒作为关键帧，整段文字清晰完整，且无遮挡。","start_frame":282,"end_frame":336,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[521.4,401.9,963.1,873.2],"positive_points":[[566.1,439.8],[941.1,472.2],[608.3,643.5],[890.6,651.9],[557.8,835.2],[833.9,834.3]],"negative_points":[[260.4,648.1],[242.2,310.2],[729.2,259.3],[744.8,935.2]],"evidence":"目标是饮品右侧的粉色三行歌词“december / when you / ’round me”。边界框覆盖整段文字及第三行开头的撇号；六个正点分布在三行字母的实际笔画上，负点位于左侧杯子、蒸汽及文字块上下方的外部背景。"}},{"name":"Hot drink cup","description":"Wide rounded cup replacing the tall glass, with a cream outline, pink rim stripe, pink right handle and base accent, and burgundy liquid.","membership":"Includes the cup boundary, enclosed interior and liquid, handle, and foot. Follows the handle opening and cup outline rather than a rectangular extent. Excludes steam and adjacent text.","id":"obj_015","temporal":{"status":"found","start_s":12.0,"end_s":13.75,"reference_s":12.5,"evidence":"目标是由高玻璃杯变成的宽圆热饮杯，具有奶油色杯沿和杯身轮廓、粉色横条、右侧把手及底座装饰，随后盛有酒红色液体。12.00秒杯体、把手和杯脚首次完整建立，内部液体的后续变化不影响杯子身份；11.75秒仍在组装，右侧把手尚未完整出现。最后合格帧为13.50秒，13.75秒杯子向左退出并被画面边界裁切。选择12.50秒作为关键帧，杯子及液体清晰完整，与蒸汽和旁边文字容易区分。","start_frame":288,"end_frame":330,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[42.7,406.5,491.1,869.4],"positive_points":[[247,456],[198,518],[253,667],[66,602],[477,581],[245,847]],"negative_points":[[240,329],[566,463],[20,681],[245,927]],"evidence":"目标是左侧宽圆热饮杯，具有奶油色杯壁、粉色杯沿与右侧把手、酒红色液体及底座。边界框紧贴杯身、把手和杯脚，不包含上方蒸汽。正点分布于杯沿、包围的内部、液体、杯壁、把手和杯脚；负点位于蒸汽、右侧文字以及杯外左侧和下方背景。"}},{"name":"Steam above cup","description":"Pink curved steam strokes rising from the hot drink, changing from one emerging stroke to multiple separated wisps.","membership":"Includes only the visible steam strokes above the cup as one compact steam graphic. Excludes the cup, text, and spaces between the strokes.","id":"obj_016","temporal":{"status":"found","start_s":12.5,"end_s":13.5,"reference_s":13.25,"evidence":"目标是杯口上方的粉色弯曲蒸汽线，不含杯子和文字。12.25秒仅有正在冒出的短线，12.5秒首次形成完整弯曲蒸汽，随后变化为多个分离气缕；最后合格帧为13.25秒。13.5秒最上方气缕开始越过画面上缘而被裁切。选择13.25秒作关键帧，此时多个蒸汽笔画清楚可辨且未被画面边界裁切。","start_frame":300,"end_frame":324,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[118.8,28.7,273.4,406.5],"positive_points":[[263.5,50],[251,106.5],[234.4,166.7],[175.5,297.2],[161.5,342.6],[128.1,387]],"negative_points":[[83.3,277.8],[312.5,166.7],[229.2,453.7],[566.1,419.4]],"evidence":"目标为杯子上方两段分离的粉色弯曲蒸汽。边界框紧贴两段笔画的整体可见范围；六个正点分布在上下两段蒸汽上，四个负点位于外围青色背景、杯沿和右侧文字上，不标记蒸汽之间的空隙。"}},{"name":"Pink car graphic","description":"Right-facing stylized vintage car with a long pink body, burgundy side panel and roof, cream windows and trim, and two pink-centered wheels.","membership":"Includes the full car silhouette, wheels, windows, and body details. Excludes detached exhaust puffs, road, skyline, and text.","id":"obj_018","temporal":{"status":"found","start_s":14.75,"end_s":16.25,"reference_s":16.0,"evidence":"目标为朝右的粉色复古汽车，具有酒红色侧板和车顶、奶油色车窗与饰条，以及两个粉色轮心。首个完整呈现帧为14.75秒，最后合格帧为16.00秒；此前14.50秒汽车仍被右边界裁切，此后16.25秒汽车驶离并被左边界裁切。选择16.00秒作为关键帧，整车轮廓及细节清晰完整，便于排除独立尾气、道路和文字。","start_frame":354,"end_frame":390,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[260.4,644.4,766,892.6],"positive_points":[[329,717],[553,694],[514,773],[737,765],[394,862],[671,862]],"negative_points":[[210,810],[479,566],[541,940],[112,518]],"evidence":"目标是画面下方朝右的粉色复古汽车，具有酒红色车顶和侧板、奶油色车窗及两个粉心车轮。边界框紧贴完整可见车身、车顶、前端装饰和车轮；正点分布于车尾、车窗、侧板、车头及两轮，负点位于分离的尾气、青色背景、道路和左侧文字上。"}},{"name":"“stumblin’ out of bars” text","description":"Pink lyric block beside descending burgundy steps; its letters subsequently tilt, separate, and tumble down the steps.","membership":"Includes all letters and punctuation belonging to this phrase throughout the tumbling animation. Excludes the steps, background, and gaps between letters.","id":"obj_019","temporal":{"status":"found","start_s":16.75,"end_s":17.5,"reference_s":16.75,"evidence":"目标是酒红色台阶旁粉色的“stumblin’ out of bars”整组文字，包含随后倾斜、分散并滚落的字母。16.50秒文字仍被画面上缘和左缘裁切；16.75秒首次完整呈现，至17.25秒仍保留整组滚落文字。17.50秒部分字母开始被底部酒红色区域遮去，进入退出过程，因此不纳入。选择16.75秒作为关键帧，此时文字较易辨认，字母间遮挡最少。","start_frame":402,"end_frame":420,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[21.9,97.2,580.7,496.3],"positive_points":[[135.4,161.1],[28.1,266.7],[256.3,249.1],[505.2,186.1],[328.6,451.9],[557.3,478.7]],"negative_points":[[677.1,324.1],[416.7,648.1],[72.9,463],[625,833.3]],"evidence":"目标是酒红色下降台阶旁的粉色“stumblin’ out of bars”歌词，部分字母已旋转散开。边界框覆盖全部可见字母及撇号；六个正点分布在左上、左侧散落字母、上行中右部和下行文字的笔画上，四个负点位于文字外的青色背景及酒红色台阶区域。"}},{"name":"Descending step graphic","description":"Burgundy stepped platform descending from the left into a long lower landing, used as the surface for the tumbling lettering.","membership":"Includes the connected filled platform following its staircase-shaped upper boundary and visible outer edges. Excludes lettering above it and the turquoise field.","id":"obj_020","temporal":{"status":"found","start_s":16.5,"end_s":18.0,"reference_s":17.0,"evidence":"目标是左侧逐级下降并连接长条低平台的酒红色实心阶梯，排除粉色文字和青绿色背景。首个合格帧为16.50秒，阶梯结构已完整建立；16.25秒仍是汽车场景的平直路面。最后合格帧为17.75秒；18.00秒已替换为酒红色背景和浅色圆形。选择17.00秒作为关键帧，阶梯轮廓清晰，文字遮挡较少。","start_frame":396,"end_frame":432,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[0,334.3,1000,1000],"positive_points":[[55,423],[87,767],[217,672],[340,901],[608,910],[919,897]],"negative_points":[[113,214],[494,542],[687,695],[820,410]],"evidence":"目标是从左侧高台逐级下降、连接底部长平台的酒红色实心图形。边界框覆盖其全部可见范围，左右及底边延伸至图像边缘。六个正点分布在高台、中间台阶和底部长平台内部；负点位于粉色文字及外部青绿色背景上。"}},{"name":"Moving circular text reveal","description":"Cream circular aperture moving across a burgundy field and revealing cropped turquoise lettering inside it.","membership":"Includes the circular boundary and everything revealed within it, including the cropped text. Excludes the surrounding burgundy field and any unrevealed lettering.","id":"obj_021","temporal":{"status":"found","start_s":18.0,"end_s":18.25,"reference_s":18.0,"evidence":"目标是酒红色背景上的奶油色圆形孔径，内部显示被圆边界裁切的青绿色文字。18.00秒为首次完整呈现，也是本段最后一个合格帧；此前17.75秒仍是散落文字与阶梯，没有圆形孔径，随后18.25秒圆形移至画面上缘并被裁切。选择18.00秒作为关键帧，圆形边界完整，内部文字清晰，便于标注。","start_frame":432,"end_frame":438,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[361.5,43.5,659,572.2],"positive_points":[[511,93],[399,335],[613,377],[518,512],[433,219],[520,243]],"negative_points":[[310,310],[720,300],[510,650],[330,70]],"evidence":"目标是画面上方中央的奶油色圆形窗口，内部显露被裁切的青绿色文字。边界框紧贴完整圆形，包含圆内底色及文字；六个正点分布在圆内底色和文字上，四个负点位于圆外的酒红色背景。"}},{"name":"“can’t get enough” text","description":"Oversized turquoise lyric title on cream, assembling into two lines with “can’t get” above “enough”.","membership":"Includes the entire text block throughout its horizontal reveal and settling. Excludes background and incoming medicine graphics.","id":"obj_022","temporal":{"status":"found","start_s":20.25,"end_s":21.0,"reference_s":20.5,"evidence":"目标是奶油色背景上超大的青绿色两行文字，上行为“can’t get”，下行为“enough”。首个完整呈现帧为20.25秒，最后合格帧为20.75秒；此前20.00秒的下行文字仍被左边界裁切，之后21.00秒文字向下退出并被底边界裁切。选择20.50秒作为关键帧，整块文字清晰完整，无遮挡，便于标注。","start_frame":486,"end_frame":504,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[64.6,131.5,937.5,861.1],"positive_points":[[79.7,308.3],[392.7,324.1],[892.2,298.1],[144.8,684.3],[430.2,756.5],[847.9,722.2]],"negative_points":[[40,500],[500,70],[970,550],[500,940]],"evidence":"图中青绿色大字分为上行“can’t get”和下行“enough”，与目标一致。边界框紧贴整个两行文字块，包含撇号和下伸字形。六个正点分布在两行文字的实际笔画上，四个负点位于文字块外围的奶油色背景。"}},{"name":"Round pink tablet","description":"Small circular pink tablet with a diagonal burgundy score, first shown near the upper left of the medicine-themed scene and later near the lower left.","membership":"Includes the tablet’s circular boundary, filled face, and score line. Excludes surrounding text and background.","id":"obj_023","temporal":{"status":"found","start_s":21.25,"end_s":22.0,"reference_s":21.25,"evidence":"目标是带勃艮第色斜向刻痕的小圆形粉色药片，与周围胶囊和文字不同。首个合格帧为21.25秒，药片完整出现在左上方；21.0秒尚未完整显现。随后药片移向左下方，至最后采样帧21.75秒仍完整可见，因此区间延续到视频结束22.0秒，无后续帧可检查。选择21.25秒为关键帧，因圆形边界和斜刻痕清晰且无遮挡。","start_frame":510,"end_frame":528,"reference_frame":510},"grounding":{"status":"found","bbox_xyxy":[83.3,73.1,145.8,184.3],"positive_points":[[110,93],[130,110],[98,139],[115,163],[135,146],[91,110]],"negative_points":[[67.7,120.4],[114.6,41.7],[164.1,138],[112,222]],"evidence":"目标是图像左上方带勃艮第色斜刻线的小圆形粉色药片。边界框紧贴药片的完整可见轮廓，包含粉色表面及刻线；六个正点分布在药片表面和刻线上，四个负点位于药片四周、远离边缘的浅色背景中。"}},{"name":"“you’re” text","description":"Large tilted turquoise lowercase word on the left of the cream medicine scene, partially overlapping a small capsule.","membership":"Includes the word and apostrophe only. Excludes both capsule graphics, the round tablet, and the separate word “the”.","id":"obj_024","temporal":{"status":"found","start_s":21.25,"end_s":21.5,"reference_s":21.25,"evidence":"目标是奶油色医药场景左侧倾斜的青绿色“you’re”，与小胶囊局部重叠，不包括药物图形或“the”。首个及最后一个合格采样帧均为21.25秒，单词和撇号已完整显示；前一帧21.00秒文字仍在画面上缘被裁切，后一帧21.50秒该词已消失。选择21.25秒作为关键帧，因为目标完整、清晰且易于区分。","start_frame":510,"end_frame":516,"reference_frame":510},"grounding":{"status":"found","bbox_xyxy":[41.1,335.2,513.0,684.3],"positive_points":[[96.4,624.1],[146.4,510.2],[258.3,545.4],[333.3,359.3],[385.9,472.2],[471.4,480.6]],"negative_points":[[330.2,588.0],[656.3,160.2],[115.1,94.4],[791.7,411.1]],"evidence":"目标是左侧倾斜的青绿色“you’re”。紧框覆盖完整单词及上方撇号；六个正点分别落在五个字母和撇号的实色笔画上。负点位于重叠小胶囊的粉色部分、独立的“the”、左上圆药片及右侧大胶囊上，均不属于目标。"}},{"name":"Small turquoise and pink capsule","description":"Slender rounded capsule initially positioned through the “you’re” lettering, with a turquoise upper section, pink lower section, and cream highlight; later shown near the upper right.","membership":"Includes the capsule’s complete rounded silhouette, color sections, and internal highlight. Excludes overlapping lettering and surrounding background.","id":"obj_025","temporal":{"status":"found","start_s":21.0,"end_s":21.5,"reference_s":21.0,"evidence":"目标是上半部青绿色、下半部粉色并带奶油色高光的细长圆头胶囊。21.00秒首次完整可见，21.25秒仍完整出现并与“you’re”文字重叠。前一帧20.75秒尚未完整入镜；后一帧21.50秒已在画面底部被裁切，因此最后合格帧为21.25秒。选择21.00秒作为关键帧，胶囊轮廓清楚且无遮挡。","start_frame":504,"end_frame":516,"reference_frame":504},"grounding":{"status":"found","bbox_xyxy":[297.4,77.8,369.8,293.5],"positive_points":[[342.7,100],[351.6,151.9],[333.3,188.9],[322.9,260.2],[306.8,240.7],[320.3,191.7]],"negative_points":[[286.5,129.6],[388,203.7],[328.1,328.7],[849,129.6]],"evidence":"目标是图像上方偏左的细长圆头胶囊，上部青绿色、下部粉色，内部有奶油色高光。边界框紧贴其完整可见轮廓；正点分布在两个色块及内部高光上，负点位于周围背景和右上方另一枚较大的胶囊上。"}},{"name":"“the” text","description":"Large pink lowercase word in the upper-right portion of the cream medicine scene, separate from “you’re”.","membership":"Includes only the letters of “the”. Excludes adjacent capsule graphics and other words.","id":"obj_026","temporal":{"status":"found","start_s":21.25,"end_s":21.75,"reference_s":21.25,"evidence":"目标为奶油色医药场景中独立于“you’re”的粉色小写单词“the”，不包含胶囊或其他文字。首个合格帧为21.25秒，最后合格帧为21.50秒，两帧中字母均完整；此前21.00秒尚未出现该词，此后21.75秒该词消失，出现“and”。选择21.25秒作为关键帧，因为该词位于右上方，形状清晰且无遮挡。","start_frame":510,"end_frame":522,"reference_frame":510},"grounding":{"status":"found","bbox_xyxy":[568.2,82.4,829.7,301.9],"positive_points":[[593.2,135.2],[604.2,268.5],[652.6,120.4],[712,234.3],[780.7,148.1],[775.5,275.9]],"negative_points":[[739.6,46.3],[880.2,223.1],[796.9,402.8],[468.8,465.7]],"evidence":"目标是画面右上方独立的粉色小写单词“the”。边界框紧贴三个字母的整体可见范围；六个正点分布在 t、h、e 的实际笔���上。负点位于单词外的奶油色背景、右下方胶囊及左侧其他单词上，排除相邻图形和文字。"}},{"name":"Large pink and burgundy capsule","description":"Large diagonal capsule on the right with a pink upper half, burgundy lower half, and cream dot and elongated highlight; it later moves partly beyond the lower edge.","membership":"Includes the capsule silhouette and all internal color and highlight details. Excludes surrounding text and background.","id":"obj_027","temporal":{"status":"found","start_s":21.25,"end_s":21.75,"reference_s":21.25,"evidence":"目标是右侧斜放的双色大胶囊，上半粉色、下半酒红色，带奶油色圆点和长条高光。首个合格帧为21.25秒，最后合格帧为21.50秒，后者虽被文字部分遮挡，仍是同一完整胶囊。此前21.00秒胶囊入场时被上边界裁切；此后21.75秒已移出下边界并被裁切。选择21.25秒作为关键帧，因胶囊完整清晰且无遮挡。","start_frame":510,"end_frame":522,"reference_frame":510},"grounding":{"status":"found","bbox_xyxy":[746.4,357.4,915.6,712.0],"positive_points":[[788,396],[840,486],[780,472],[824,575],[891,617],[872,679]],"negative_points":[[718,518],[940,620],[860,770],[780,245]],"evidence":"目标是右侧斜置的大胶囊，上半部粉红、下半部酒红，内部有奶油色圆点和长条高光。边界框紧贴完整胶囊轮廓；正点覆盖两种色块及内部高光，负点位于周围背景和上方文字，排除其他内容。"}},{"name":"“and” text","description":"Pink lowercase word near the upper center of the final medicine layout.","membership":"Includes only the letters of “and”. Excludes the separate “medicine” word and surrounding medical graphics.","id":"obj_028","temporal":{"status":"found","start_s":21.75,"end_s":22.0,"reference_s":21.75,"evidence":"目标是最终医疗图案布局上方中央的粉色小写“and”，不包括下方“medicine”。首个及最后一个合格采样帧均为21.75秒，三个字母完整可见；紧邻之前的21.50秒帧尚无“and”。区间延续至视频22.0秒结束，没有后续采样帧。选择21.75秒作为关键帧，因为文字完整清晰且无遮挡。","start_frame":522,"end_frame":528,"reference_frame":522},"grounding":{"status":"found","bbox_xyxy":[474.5,131.5,737,323],"positive_points":[[513,185],[487,263],[577,262],[630,260],[663,253],[722,159]],"negative_points":[[443,250],[771,241],[520,648],[615,83]],"evidence":"目标是图像上方中央的粉色小写单词“and”。边界框紧贴三个字母的完整可见范围；六个正点分布在各字母的实际笔画上，负点位于单词外围的浅色背景及下方独立的“medicine”文字上。"}},{"name":"“medicine” text","description":"Large burgundy lowercase word slanting downward across the lower cream scene, with a turquoise adhesive bandage overlapping its beginning.","membership":"Includes the complete word’s lettering, including visible portions beneath the overlap. Excludes the bandage, pills, and separate “and” text.","id":"obj_029","temporal":{"status":"found","start_s":21.5,"end_s":22.0,"reference_s":21.75,"evidence":"目标是奶油色背景上向右下倾斜的酒红色小写“medicine”完整文字，不包括创可贴、药丸或“and”。首个合格帧为21.50秒，文字已完整出现；前一帧21.25秒尚无该词。最后合格帧为21.75秒，青绿色创可贴遮住词首部分，但文字连续存在。选择21.75秒作为关键帧，其位置及遮挡关系与描述吻合。区间延续至视频末尾22.00秒，无后续采样帧。","start_frame":516,"end_frame":528,"reference_frame":522},"grounding":{"status":"found","bbox_xyxy":[242.7,523.1,947.4,865.7],"positive_points":[[303,639],[424,713],[562,611],[646,737],[833,789],[905,846]],"negative_points":[[180,537],[576,242],[115,851],[750,450]],"evidence":"目标是下半部向右下倾斜的酒红色“medicine”。边界框覆盖整词可见字形，包括创可贴遮挡后仍露出的开头部分；正点分散在各处字母笔画上，负点位于青绿色创可贴、独立的“and”、左下药片及上方外部背景，排除这些非目标内容。"}},{"name":"Turquoise adhesive bandage","description":"Diagonal turquoise adhesive bandage overlapping the left end of “medicine”, with rounded end pads and a central pad containing cream dots.","membership":"Includes the complete bandage silhouette and its internal pad details. Excludes the overlapped word and surrounding medicine graphics.","id":"obj_030","temporal":{"status":"found","start_s":21.75,"end_s":22.0,"reference_s":21.75,"evidence":"目标是斜向覆盖“medicine”左端的青绿色创可贴，完整轮廓、圆角端部和中央浅色圆点均清晰可见。首末合格采样帧均为21.75秒；前一帧21.50秒的创可贴仍为粉色且被画面底边裁切，尚不符合完整呈现要求。21.75秒最适合空间标注。区间延续至视频结束，之后没有采样帧。","start_frame":522,"end_frame":528,"reference_frame":522},"grounding":{"status":"found","bbox_xyxy":[103.1,406.5,268.8,674.1],"positive_points":[[127.1,454.6],[150,462],[161.5,543.5],[209.4,536.1],[223.4,610.2],[249,617.6]],"negative_points":[[93.8,555.6],[190.1,416.7],[308.9,631.5],[111.5,836.1]],"evidence":"目标是斜置于“medicine”左端的青绿色创可贴，具有圆角端部和带奶油色圆点的中央垫。边界框紧贴完整可见创可贴；正点分布于两端、中央垫及圆点，负点位于外围背景、被遮挡单词的可见笔画和左下粉色药片上。"}}]}
+{"video_id":176,"video_type":"visual design and media animation","targets":[{"name":"Order-tracking smartphone","description":"Dark-framed smartphone initially on the left, with a white display and top notch. Its screen progresses from payment options to order confirmation, food preparation and readiness, and a map with a delivery scooter.","membership":"Include the complete phone body, bezel, notch, display surface, and all displayed interface content. Follow its outline as it moves and resizes. Exclude its cast shadow and all graphics and text outside the phone.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":17.5,"reference_s":8,"evidence":"目标是左侧带深色边框、顶部刘海和白色显示面的手机；其屏幕连续从支付选项变为订单确认、备餐、就绪和配送地图，手机移动及缩放时身份保持连续。首个合格帧为0秒，已完整呈现，视频起点之前无采样帧；最后合格帧为17.25秒。17.5秒红色圆形转场遮罩已将手机遮去，结束此次出现。选择8秒作为关键帧，此时手机轮廓完整、无遮挡，与外部厨房图形容易区分。","start_frame":0,"end_frame":420,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[44.3,317.6,222.4,964.8],"positive_points":[[132,335],[178,418],[48,578],[133,611],[135,755],[187,917]],"negative_points":[[34,556],[245,705],[375,544],[482,823]],"evidence":"目标是左侧显示“Your food is Preparing...”的深色边框手机。边界框紧贴完整机身，包含边框、顶部刘海、白色屏幕及全部屏幕内容，不含投影。正点分布在刘海、边框、显示面、餐盖图案和文字处；负点位于机外阴影、右侧背景及其他烹饪图形和台面上。"}},{"name":"EASY PAYING OPTIONS title","description":"Large promotional text to the right of the payment screen, with white “EASY” and “OPTIONS” surrounding black “PAYING,” progressively revealed and removed.","membership":"Include the letters of the complete three-line title as visible during its reveal and removal. Exclude the surrounding black outline and background.","id":"obj_002","temporal":{"status":"found","start_s":0.75,"end_s":2.75,"reference_s":1.5,"evidence":"目标是付款手机右侧的三行标题：白色“EASY”和“OPTIONS”、黑色“PAYING”，不含外围黑框。0.75秒三行文字首次完整呈现，最后符合条件的帧为2.50秒；此前0.50秒仅显示“PAYING”，此后2.75秒白色文字已开始被遮罩移除。选择1.50秒作为关键帧，标题完整清晰、无遮挡，便于标注。","start_frame":18,"end_frame":66,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[530.2,386.1,741.1,617.6],"positive_points":[[564.1,418.5],[697.9,433.3],[547.9,514.8],[675.5,509.3],[536.5,587.0],[731.8,600.9]],"negative_points":[[520.8,500.0],[750.0,500.0],[625.0,351.9],[625.0,659.3]],"evidence":"目标是支付屏幕右侧的三行标题：白色“EASY”、黑色“PAYING”和白色“OPTIONS”。边界框紧贴完整文字块，不包含外围黑框。六个正点分布在三行字母笔画上；负点位于左右黑框及文字块上下的外部背景，避开字间和行间空隙。"}},{"name":"ORDER CONFIRMED title","description":"White promotional heading beside the phone's confirmation screen, with thin “ORDER” followed by bold “CONFIRMED.”","membership":"Include both words as one text block. Exclude the red backing rectangle and the thin vertical decorative lines.","id":"obj_003","temporal":{"status":"found","start_s":4.25,"end_s":5.25,"reference_s":4.5,"evidence":"目标是手机确认页面右侧的白色标题，细体“ORDER”与粗体“CONFIRMED”作为一个文本块，不含红色底矩形和竖向装饰线。首个完整帧为4.25秒，最后完整帧为5.00秒；前邻帧4.00秒只有底矩形和装饰线，后邻帧5.25秒标题已开始被遮罩移除、文字残缺。选择4.50秒作为关键帧，两词完整清晰且无遮挡。","start_frame":102,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[515.1,455.6,858.3,545.4],"positive_points":[[516.7,495.4],[569.3,509.3],[618.2,523.1],[658.9,501.9],[786.5,511.1],[854.2,501.9]],"negative_points":[[572.9,601.9],[727.1,324.1],[291.7,370.4],[906.3,500]],"evidence":"目标是手机右侧的白色“ORDER CONFIRMED”标题，前词细体、后词粗体。边界框紧贴两词的完整文字范围，不含红色衬底及上下竖线。六个正点分布于两词的字母笔画；负点位于标题下方和右侧��景、上方装饰竖线及手机画面。"}},{"name":"Cooking chef","description":"Cartoon chef in a white hat and coat with a red neckerchief and black moustache, standing behind the kitchen counter and stirring a red cooking vessel.","membership":"Include the chef's visible body and clothing, the utensil being held, the red vessel, and its compact black burner as one cooking illustration. Exclude the long counter, wall decorations, phone, and surrounding circular illustrations.","id":"obj_004","temporal":{"status":"found","start_s":6.75,"end_s":10.75,"reference_s":8.0,"evidence":"目标是戴白帽、穿白衣、系红领巾并留黑胡子的厨师，连同手持搅拌 utensil、红锅和紧凑黑色炉座。首个完整帧为6.75秒；此前6.50秒炉座尚未显现，组合仍未完整。最后合格帧为10.50秒，10.75秒已被打包餐袋替换。选择8.00秒作为关键帧，厨师及锅、炉座结构清楚且无遮挡，不包含长柜台和周围圆形插图。","start_frame":162,"end_frame":258,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[520,446,632,811],"positive_points":[[577,505],[577,593],[611,705],[572,738],[579,767],[536,802]],"negative_points":[[704,827],[783,533],[132,616],[658,712]],"evidence":"目标是画面中下部戴白帽、穿白衣、系红领巾并留黑胡子的厨师。边界框覆盖其可见身体与服装、手持搅拌器具、红色锅及紧凑黑色炉座；正点分布在帽子、脸、衣服、器具、锅和炉座上。负点位于长柜台、右侧圆形插图、手机及外部背景，均不属于目标。"}},{"name":"Ingredient-mixing illustration","description":"Circular cooking demonstration to the left of the chef, showing a red mixing bowl, whisk, small seasoning containers, and a bottle, with ingredients being added.","membership":"Include the circular outer border and its entire enclosed area, including the bowl, utensils, containers, and animated ingredients. Exclude the adjacent chef, phone, and kitchen background.","id":"obj_005","temporal":{"status":"found","start_s":6.5,"end_s":11.0,"reference_s":8.0,"evidence":"目标是厨师左侧的圆形配料混合演示，包含圆框、红碗、打蛋器、调料罐和瓶子。6.50秒首次完整呈现；此前6.25秒仍是小孔式揭示，内部图案未完整露出。末段圆形整体缩小，10.75秒仍可见极小的图案，11.00秒已消失，因此最后纳入10.75秒。选择8.00秒作为关键帧，此时圆框与内部器具清晰，且不受遮挡。","start_frame":156,"end_frame":264,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[303.1,387,446.9,642.6],"positive_points":[[375,391],[336,462],[405,475],[376,543],[338,555],[389,600]],"negative_points":[[272,505],[580,610],[132,566],[581,276]],"evidence":"目标是厨师左侧的圆形配料搅拌示意图，内有红色碗、打蛋器、调料瓶和倾斜的瓶子。边界框紧贴红色圆形外边框，覆盖全部内部区域；正点分布在圆框、器具、碗及内部底色上，负点位于圆外背景、厨师、手机和上方另一幅烹饪图中。"}},{"name":"Pot-stirring illustration","description":"Circular demonstration above the chef, containing a black-outlined pot filled with red contents and a dark stirring utensil.","membership":"Include the circle's outer border and all enclosed area and content, including the animated pot and utensil. Exclude surrounding background and other cooking illustrations.","id":"obj_006","temporal":{"status":"found","start_s":6.75,"end_s":10.75,"reference_s":8.0,"evidence":"目标是厨师上方的圆形示意图，包含红色外圈、装有红色内容物的黑边锅和深色搅拌 utensil（搅拌棒）。6.75秒首次完整呈现；此前6.50秒仍是尚未完成揭示的红色圆块。最后合格帧为10.50秒，图案虽已缩小但仍完整，10.75秒已消失。选择8.00秒作为关键帧，圆圈及锅、搅拌棒清楚完整，且无遮挡。","start_frame":162,"end_frame":258,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[509.4,146.3,653.1,401.9],"positive_points":[[580,164],[519,268],[642,285],[579,386],[569,299],[590,228]],"negative_points":[[580,110],[483,275],[678,283],[780,514]],"evidence":"目标是厨师上方的红边圆形演示图，内有红色锅内物和深色搅拌工具。边界框紧贴圆形外缘，包含边框及全部内部区域。正点分布于圆内上下左右、锅内和工具上；负点位于圆外背景及右侧独立的煎锅演示图内。"}},{"name":"Frying-pan illustration","description":"Circular demonstration to the right of the chef, showing a red frying pan with a dark handle and animated tossing or stirring action.","membership":"Include the circular border and its enclosed area, including the pan, utensil, and animated food marks. Exclude the kitchen background and other illustrations.","id":"obj_007","temporal":{"status":"found","start_s":7.25,"end_s":11.0,"reference_s":8.0,"evidence":"目标是厨师右侧的圆形演示图，包含红色煎锅、深色锅柄及抛炒标记。7.25秒首次完整呈现圆框和内部图案；此前7.00秒粗圆环仍在揭示内部，锅的两端尚受遮挡。最后合格帧为10.75秒，图示虽已缩小，但圆框和锅仍完整；11.00秒已消失。选择8.00秒作为关键帧，此时图示大小清晰、无遮挡，易与其他烹饪插图区分。","start_frame":174,"end_frame":264,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[710.4,387.0,854.2,642.6],"positive_points":[[780.7,391.7],[713.5,511.1],[781.8,638.0],[760.4,536.1],[828.1,527.8],[781.3,446.3]],"negative_points":[[692.7,509.3],[872.4,512.0],[781.8,356.5],[780.2,678.7]],"evidence":"目标是厨师右侧的圆形煎锅示意图。边界框紧贴红色圆环外缘，覆盖圆环及其内部的煎锅、深色锅柄和动态标记。正点分布在圆环、锅身、锅柄及圈内白色区域；负点位于圆环四周的厨房背景上。"}},{"name":"Ready-order takeaway bag","description":"Red paper takeaway bag with a dark side panel and a white spoon-and-fork emblem, presented above the kitchen counter after the cooking illustrations disappear. A descending hand later lifts it.","membership":"Include the bag's front, side, folded top, outline, and printed emblem throughout its movement. Exclude the hand and arm, counter, and rounded red outline above it.","id":"obj_008","temporal":{"status":"found","start_s":10.75,"end_s":13.5,"reference_s":12.0,"evidence":"目标为厨房柜台上方的红色纸质外卖袋，具有深色侧面、折叠袋口及白色勺叉标志，不含手臂和上方圆角框。首个合格帧为10.75秒，袋体结构已完整；前一帧10.5秒仍是厨师和烹饪图示，袋子尚未出现。袋子随后落到柜台并被手提起，最后合格帧为13.25秒；13.5秒袋子已消失。选择12.0秒作为关键帧，此时袋体清晰完整且无遮挡。","start_frame":258,"end_frame":324,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[528.1,574.1,639.1,809.3],"positive_points":[[577.6,590.7],[541.7,687],[566.1,720.4],[596.9,775.9],[628.6,725.9],[604.2,639.8]],"negative_points":[[703.1,825],[583.3,344.4],[505.7,681.5],[666.7,649.1]],"evidence":"目标是柜台上带白色餐具标志的红色外卖纸袋。边界框紧贴袋子的折叠顶部、红色正面及深色侧面，排除柜台和上方红色圆角轮廓。正点分布在顶部、正面、标志与侧面；负点位于柜台、上方红色轮廓及袋子两侧的外部背景。"}},{"name":"Takeaway pickup hand","description":"Pink cartoon hand on a red-sleeved arm that descends from above the ready-order bag, grips its folded top, and lifts it.","membership":"Include the visible hand, fingers, and red sleeve, following their actual silhouette. Exclude the bag, the rounded outline behind the arm, and the kitchen counter.","id":"obj_009","temporal":{"status":"found","start_s":12.5,"end_s":13.25,"reference_s":12.75,"evidence":"目标是从上方伸下、抓住外卖袋折叠袋口并提起它的粉色手及红色衣袖。12.50秒首次完整显露，持续至13.00秒；12.25秒手已出现，但衣袖仍在从上方开口揭露，13.25秒手臂已开始被开口遮罩收去，仅余局部。选择12.75秒作为关键帧，手指、手掌和衣袖轮廓清晰，便于排除袋子及背景圆角框。","start_frame":300,"end_frame":318,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[563.5,359.3,603.1,601.9],"positive_points":[[575,384.3],[590.1,440.7],[581.8,490.7],[577.6,533.3],[567.7,562],[597.9,588.9]],"negative_points":[[682.3,344.4],[572.9,671.3],[666.7,825.9],[531.3,509.3]],"evidence":"目标是外卖袋上方伸下的红袖粉色手。边界框紧贴红色袖子、手掌及下垂手指的可见轮廓；六个正点分布于袖子、手腕、手掌和手指，四个负点分别位于后方圆角轮廓、外卖袋、柜台及左侧背景，均排除在目标之外。"}},{"name":"Delivery rider and scooter","description":"Side-view cartoon courier to the right of the phone, wearing a red helmet and shirt while riding a red scooter with a rear delivery box.","membership":"Include the rider, helmet, clothing, scooter, wheels, handlebars, and attached rear delivery box as one complete delivery illustration. Exclude the road-motion strokes, adjacent text, and the separate scooter shown inside the phone.","id":"obj_010","temporal":{"status":"found","start_s":14.5,"end_s":17.5,"reference_s":16.5,"evidence":"目标是手机右侧戴红色头盔、穿红衣的侧视骑手及红色踏板车，包含车轮、车把和后置配送箱。14.5秒首次完整出现，前一帧14.25秒尚无该插画；17.25秒为最后完整帧，17.5秒开始被红色圆形转场遮罩移除。选择16.5秒作为关键帧，骑手与车辆结构清晰完整、无遮挡，且易与手机内的俯视踏板车区分。","start_frame":348,"end_frame":420,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[530.2,428.7,714.1,769.4],"positive_points":[[641.1,456.5],[604.2,569.4],[554.2,614.8],[592.2,690.7],[562.5,757.4],[703.1,731.5]],"negative_points":[[306.8,487.0],[622.9,255.6],[624.5,788.0],[740.1,628.7]],"evidence":"目标是手机右侧戴红头盔、穿红衣的侧视送餐骑手。边界框紧贴骑手、车把、红色踏板车、双轮及后方配送箱的整体可见范围。正点分布于头盔、上衣、配送箱、车身和两个车轮；负点位于手机内的另一辆车、上方文字、下方道路动感线及右侧外部背景，均不属于目标。"}},{"name":"Delivery status heading","description":"Large text above the side-view courier reading “Your food is on the way...,” progressively revealed, with “food” emphasized in bold red.","membership":"Include the complete text block across its line wrapping and progressive reveal. Exclude the courier illustration, phone, and background.","id":"obj_011","temporal":{"status":"found","start_s":16.5,"end_s":17.5,"reference_s":16.75,"evidence":"目标是侧视配送员上方的两行标题“Your food is on the way...”，其中“food”为红色粗体。16.50秒首次完整显示，包括末尾三个点；此前16.25秒末尾仍只有两个点，文字揭示尚未完成。最后合格帧为17.25秒，17.50秒红色圆形转场遮罩开始遮去标题。选择16.75秒作为关键帧，文字完整清晰且无遮挡。","start_frame":396,"end_frame":420,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[467.2,218.5,771.4,363.0],"positive_points":[[501.6,237.0],[578.1,250.9],[752.1,253.7],[535.9,324.1],[614.6,332.4],[676.6,357.4]],"negative_points":[[286.5,305.6],[635.4,463.0],[468.8,416.7],[833.3,268.5]],"evidence":"目标是骑手上方的两行标题“Your food is on the way...”，其中“food”为红色粗体。边界框紧贴完整文字块，包含第二行及省略号；六个正点分布在两行文字的实际笔画上，负点位于手机、骑手及文字块外的背景。"}},{"name":"Food handoff illustration","description":"Large red-bordered circle containing a takeaway bag passed between hands entering from opposite sides. The bag initially carries a cutlery emblem, which changes to a white check mark.","membership":"Include the circle's outer boundary and entire enclosed area, including both hands, their visible sleeves, and the bag. Exclude the separate caption below and surrounding background.","id":"obj_012","temporal":{"status":"found","start_s":18.25,"end_s":19.75,"reference_s":18.75,"evidence":"目标是红色圆框内由两侧手臂交接外卖袋的插画，袋上的餐具标志随后变为白色勾号。18.25秒圆框、双手和袋子已完整呈现；此前18.00秒仅有圆环，内部插画尚未出现。最后合格帧为19.50秒，顶部转场尚未遮住目标；19.75秒目标已被红色遮罩移除。选择18.75秒作为关键帧，此时圆框、双手、袖口和袋子清晰，且与下方独立字幕容易区分。","start_frame":438,"end_frame":474,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[341.1,217.6,658.9,782.4],"positive_points":[[500,222],[496,343],[378,514],[556,515],[496,627],[502,738]],"negative_points":[[290,500],[710,493],[500,167],[387,834]],"evidence":"目标是中央红色圆框内双手交接外卖袋的插画，袋上可见餐具标志。边界框紧贴圆形外缘，包含整个圆内区域、双手、袖子和袋子。正点分布于圆框及内部代表区域；负点位于圆外背景和下方独立英文标题上。"}},{"name":"Enjoy your food caption","description":"Text beneath the circular handoff illustration reading “Enjoy your food...,” with “Enjoy” in bold dark lettering.","membership":"Include all letters and punctuation of this text block. Exclude the circular illustration above and the background.","id":"obj_013","temporal":{"status":"found","start_s":18.75,"end_s":19.75,"reference_s":19.0,"evidence":"目标是圆形交接插图下方的“Enjoy your food...”文字，其中“Enjoy”为深色粗体。首个完整呈现帧为18.75秒，最后合格帧为19.50秒；前一帧18.50秒文字尚未揭示完整，后一帧19.75秒文字被红色退场遮罩覆盖。选择19.00秒作为关键帧，此时全部字母和标点清晰完整、无遮挡。","start_frame":450,"end_frame":474,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[327.6,801.9,672.9,874.1],"positive_points":[[330.7,835.2],[396.9,838.0],[506.3,834.3],[562.0,835.2],[644.3,830.6],[670.3,856.5]],"negative_points":[[498.0,666.7],[500.0,918.5],[312.5,833.3],[700.5,833.3]],"evidence":"目标是圆形交接插画下方的“Enjoy your food...”文字，其中 Enjoy 为粗体。边界框紧贴整段文字及末尾省略号；六个正点分布在不同单词的字形笔画和标点上，负点位于上方插画以及文字左、右、下方的外部背景。"}},{"name":"HEVOFOOD promotional smartphone","description":"Smartphone presented on the right against a bright red background after the handoff scene. Its white and pink screen displays a circular cutlery-and-leaf logo and the name “HEVOFOOD.”","membership":"Include the complete phone body, dark frame, notch, display surface, logo, lettering, and colored screen shapes. Exclude its shadow, the rating stars, and the hand extending outside the phone.","id":"obj_014","temporal":{"status":"found","start_s":20.0,"end_s":22.0,"reference_s":21.5,"evidence":"目标是交接场景后红色背景右侧的 HEVOFOOD 宣传手机，具有深色边框、刘海、白粉色屏幕及餐具叶片标志和品牌文字。20.00 秒首帧中手机已完整呈现，虽仍在缩放旋转，但结构齐全；前一帧 19.75 秒为红色转场遮罩，尚无该手机。最后合格帧为 21.75 秒，至视频结束仍完整可见，结束边界外无采样帧。选择 21.50 秒作为关键帧，手机较大、近乎正面且无遮挡，便于区分手机与星级、阴影。","start_frame":480,"end_frame":528,"reference_frame":516},"grounding":{"status":"found","bbox_xyxy":[540.6,116.7,752.6,887.0],"positive_points":[[562.5,203.7],[645.8,138.0],[718.8,219.4],[644.3,507.4],[645.8,655.6],[708.3,835.2]],"negative_points":[[475.0,314.8],[513.0,500.0],[786.5,555.6],[645.8,915.7]],"evidence":"目标是右侧显示餐具叶片圆形标志及“HEVOFOOD”字样的手机。边界框紧贴完整机身，包含深色边框、刘海及全部屏幕内容，不含底部阴影。正点分布于刘海、白色显示面、粉色屏幕图形、标志和文字；负点位于左侧星星、机身外红色背景及底部阴影。"}},{"name":"Five-star rating","description":"Row of yellow faceted stars to the left of the HEVOFOOD phone, initially showing four stars before a hand adds a fifth.","membership":"Include the star shapes forming the compact rating row, including the fifth star while it is being positioned. Exclude the placing hand, brief sparkle strokes, phone, and background.","id":"obj_015","temporal":{"status":"found","start_s":20.75,"end_s":22.0,"reference_s":21.0,"evidence":"目标是 HEVOFOOD 手机左侧的黄色切面五星评分，不包括手和闪光线。20.50 秒仅有四颗星；20.75 秒第五颗星已完整出现，虽仍由手放置，五颗星均符合纳入条件。最后合格帧为 21.75 秒，持续至视频结束 22.0 秒，无后续帧。选择 21.0 秒作关键帧，此时五星排列清晰，且没有手遮挡。","start_frame":498,"end_frame":528,"reference_frame":504},"grounding":{"status":"found","bbox_xyxy":[229.2,263.0,500.5,355.6],"positive_points":[[254.7,313.0],[309.9,313.0],[364.6,313.0],[419.8,313.0],[474.5,307.4],[482.8,333.3]],"negative_points":[[208.3,314.8],[364.6,231.5],[364.6,398.1],[572.9,509.3]],"evidence":"目标是HEVOFOOD手机左侧横排的五颗黄色切面星星。边界框紧贴全部五颗星的可见轮廓，不包含附近闪光短线。正点分布在五颗星的实体上，负点位于星排左侧、上方、下方的红色背景及右侧手机上。"}},{"name":"Rating-star placement hand","description":"Light-colored cartoon hand with a dark sleeve extending leftward beside the promotional phone to place the fifth yellow rating star.","membership":"Include the visible hand, fingers, cuff, and sleeve along their actual outline. Exclude the star being held, the phone, and the other rating stars.","id":"obj_016","temporal":{"status":"found","start_s":20.75,"end_s":21.0,"reference_s":20.75,"evidence":"目标是宣传手机左侧伸出的浅色卡通手，带深色袖子和浅色袖口，手指正放置第五颗黄色评分星；不包含星星或手机。首个及最后一个符合条件的采样帧均为20.75秒，手、手指和袖子轮廓完整。前一帧20.50秒只有四颗星，未见该手；后一帧21.00秒五颗星已排列完成，该手消失。选择20.75秒作为关键帧，因为这是目标完整清晰可见的采样帧。","start_frame":498,"end_frame":504,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[461.5,151,541.7,208.3],"positive_points":[[468.8,165.7],[465.6,179.6],[475,190.7],[489.6,170.4],[510.4,173.1],[528.6,173.1]],"negative_points":[[477.1,243.5],[552.1,231.5],[447.9,175],[505.7,213.9]],"evidence":"目标是手机左上侧伸出、正在放置第五颗星的浅色卡通手。框紧贴可见手指、手掌、白色袖口和深色袖子；六个正点分布在这些部位，四个负点位于被拿着的星星、手机及手臂外侧红色背景，排除这些非目标区域。"}},{"name":"Google Play download badge","description":"Small outlined download badge below the star rating, reading “GET IT ON Google Play” beside the triangular store symbol.","membership":"Include the badge's outer border, enclosed surface, store icon, and lettering as one functional promotional unit. Exclude the stars, phone, and surrounding red background.","id":"obj_017","temporal":{"status":"found","start_s":21.75,"end_s":22.0,"reference_s":21.75,"evidence":"21.75秒画面中，星级评分下方出现完整的小型描边下载徽章，含外框、三角商店图标及“GET IT ON Google Play”文字，符合目标描述。首个及最后一个符合条件的采样帧均为21.75秒；相邻前帧21.50秒尚无该徽章。区间延续至视频末尾22.0秒，无后续采样帧。选择21.75秒为关键帧，徽章完整且无遮挡。","start_frame":522,"end_frame":528,"reference_frame":522},"grounding":{"status":"found","bbox_xyxy":[330.2,503.7,399,540.7],"positive_points":[[333.9,511],[341.1,522.2],[355.2,513.9],[358.3,527.8],[377.1,525.9],[395.3,534.3]],"negative_points":[[317.7,521.3],[413.5,520.4],[364.6,481.5],[364.6,564.8]],"evidence":"目标是五星下方带三角商店图标及“GET IT ON Google Play”文字的小型描边下载徽章。边界框紧贴徽章外框，包含内部底面、图标和文字；六个正点分布于这些组成部分，四个负点位于徽章四周的红色背景，不包含星星或手机。"}}]}
+{"video_id":177,"video_type":"visual design and media animation","targets":[{"name":"Renewable city globe","description":"Opening illustration of a blue-and-green half globe supporting blue skyscrapers, white wind turbines, and green trees.","membership":"Include the globe, land shapes, skyline, turbines, vegetation, and pale backing immediately behind the city. Exclude the sweeping orbit line, floating particles, and caption below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"0.00秒完整显示蓝绿半球及其上的蓝色高楼、白色风机、绿色树木和浅色背衬，符合目标；这是首个也是最后一个合格采样帧。0.25秒球体和城市已被移除大半，握手图标正在替换它，因此不纳入。区间始于视频开头，无更早采样帧。选择0.00秒作为关键帧，目标结构完整清晰；不包括轨道线、浮动粒子及下方字幕。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[409.4,244.4,643.2,702.8],"positive_points":[[479.7,288.9],[556.3,397.2],[572.9,397.2],[617.7,399.1],[494.3,557.4],[572.4,625]],"negative_points":[[342.2,543.5],[520,754],[623,87],[690,550]],"evidence":"目标是画面中央承托城市的蓝绿半球插画。框覆盖半球、陆地、蓝色楼群、白色风机、绿植及城市后方浅色衬景。正点分布在楼体、风机、衬景、树木及半球的陆地和海洋上；负点位于左侧外伸轨道线、下方标题、上方漂浮粒子和右侧背景，均不纳入目标。"}},{"name":"Renewable Transition title","description":"Dark blue text reading “Renewable Transition” beneath the opening globe.","membership":"Include the complete text block only; exclude the globe and background.","id":"obj_002","temporal":{"status":"found","start_s":0.0,"end_s":0.25,"reference_s":0.0,"evidence":"目标是开场地球下方完整的深蓝色“Renewable Transition”文字，不含地球。首个及最后一个合格采样帧均为0.00秒，文字虽有运动模糊但结构完整；紧邻的0.25秒帧中文字已明显淡出，因此排除。区间到达视频起点，无更早帧。选择0.00秒作为关键帧，是该标题完整呈现的合格帧。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[388,735,671,774],"positive_points":[[395,758],[442,763],[496,759],[549,744],[604,765],[664,759]],"negative_points":[[517,646],[365,759],[694,757],[522,810]],"evidence":"目标是地球图案下方的深蓝色“Renewable Transition”标题。边界框紧贴整行文字，包含两个单词及其间距；六个正点分布在文字笔画上，负点位于上方地球以及标题左右和下方的外部背景。"}},{"name":"Partnership handshake","description":"Central handshake symbol with orange and blue hands, white separating outlines, and a pale circular backing that develops behind it.","membership":"Include both hands, cuffs, outlines, and the circular backing when visible, including its enclosed area. Exclude the caption and departing transition fragments.","id":"obj_003","temporal":{"status":"found","start_s":0.25,"end_s":2.0,"reference_s":1.5,"evidence":"目标是中央橙蓝双色握手图标，包含双手、袖口、白色分隔轮廓及随后出现的浅色圆形背景，不含字幕和转场碎片。首个合格帧为0.25秒，握手结构已完整；此前0秒仅有地球与城市图案。最后合格帧为1.75秒；2.0秒握手开始缩小淡出，周围出现橙色转场碎片。选择1.5秒作为关键帧，此时握手与圆形背景清楚完整、无遮挡。","start_frame":6,"end_frame":48,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[358,194,643,697],"positive_points":[[500,257],[619,452],[531,633],[514,408],[491,487],[418,407]],"negative_points":[[501,762],[323,464],[503,143],[193,200]],"evidence":"目标是画面中央的橙蓝握手图标。边界框覆盖双手、袖口、白色分隔轮廓及后方浅色圆形衬底；正点分布在握手实体与圆形内部，负点位于下方标题、外围背景和左上方游离小圆点，均排除在目标之外。"}},{"name":"Partner title","description":"Centered two-line title reading “Need The Right Partner” below the handshake.","membership":"Include the entire text block across its progressive reveal. Exclude the handshake and its backing.","id":"obj_004","temporal":{"status":"found","start_s":1.25,"end_s":2.0,"reference_s":1.5,"evidence":"目标是握���下方居中的两行文字“Need The Right Partner”，不含握手及背景圆形。1.25秒文字完整显现，最后合格帧为1.75秒；前一帧1.00秒中“Partner”右侧仍在渐显，后一帧2.00秒文字已开始淡出且第二行不完整。选择1.50秒作为关键帧，文字清晰完整、无遮挡。","start_frame":30,"end_frame":48,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[384.4,743.5,618.8,855.6],"positive_points":[[387.5,764.8],[481.8,750.9],[543.2,768.5],[453.6,837.0],[504.7,838.9],[552.1,840.7]],"negative_points":[[500,480],[345,790],[660,800],[500,910]],"evidence":"目标是握手图案下方居中的两行标题“Need The Right Partner”。边界框覆盖两行完整文字及行间距；六个正点分布在两行字母的实际笔画上，负点位于握手图案及标题左侧、右侧和下方的外部背景，排除握手及其衬底。"}},{"name":"Vibrant Energy emblem","description":"Faceted flower-like brand emblem assembled from yellow, orange, and red polygonal pieces at the center.","membership":"Include the completed petaled emblem and its internal facets, following the outer petal outline. Exclude detached transition fragments and the brand name below.","id":"obj_005","temporal":{"status":"found","start_s":2.75,"end_s":7.75,"reference_s":3.25,"evidence":"目标为黄色、橙色和红色多边形构成的花瓣状品牌徽记，不含下方品牌文字。2.75秒首次呈现完整花瓣外轮廓及内部切面；此前2.50秒仍有分离碎片，尚未组装完成。最后合格帧为7.50秒，徽记虽向左下移动但仍完整位于画面内；7.75秒已消失。选择3.25秒作为关键帧，此时徽记居中、清晰且无遮挡。","start_frame":66,"end_frame":186,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[398.4,258.3,604.2,624.1],"positive_points":[[501,310],[442,350],[556,353],[428,443],[578,447],[502,579]],"negative_points":[[365,435],[645,463],[500,200],[487,688]],"evidence":"目标是画面中央由黄、橙、红色多边形组成的花瓣状徽标。边界框紧贴完整花瓣外轮廓，包含内部切面，不含下方品牌文字。六个正点分布于不同花瓣及色块，负点位于徽标上方、左右外部背景和下方品牌文字上。"}},{"name":"Vibrant Energy wordmark","description":"Orange uppercase “VIBRANT” with smaller “ENERGY” underneath the faceted emblem.","membership":"Include both lines of the wordmark only. Exclude the emblem and the separate promotional statement.","id":"obj_006","temporal":{"status":"found","start_s":3.0,"end_s":7.75,"reference_s":3.25,"evidence":"目标是徽标下方橙色大写“VIBRANT”和较小的“ENERGY”两行文字，不含徽标及宣传语。首个合格帧为3.00秒；2.75秒文字仍在淡入，颜色较浅。最后合格帧为7.50秒，字标虽移至左下方但两行仍完整可见；7.75秒已消失。选择3.25秒作关键帧，字标清晰、无遮挡且易于与其他元素区分。","start_frame":72,"end_frame":186,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[403.6,662.9,599.5,763.0],"positive_points":[[411.0,677.8],[440.6,691.7],[483.9,695.4],[588.0,692.6],[460.9,749.1],[539.1,754.6]],"negative_points":[[501.0,500.0],[365.0,700.0],[635.0,720.0],[500.0,810.0]],"evidence":"目标为图像中央徽标下方的橙色两行文字“VIBRANT”和“ENERGY”。边界框紧贴两行文字的整体范围，不含上方多面几何徽标。六个正点分布在两行字母的笔画上；负点位于上方徽标及文字左、右、下方的外部背景。"}},{"name":"Corporate renewables statement","description":"Two-line statement reading “India's Most Trusted Corporate Renewables Platform” below the brand.","membership":"Include the complete progressively revealed text block. Exclude the wordmark, emblem, and background particles.","id":"obj_007","temporal":{"status":"found","start_s":5.75,"end_s":7.5,"reference_s":6.0,"evidence":"目标是品牌下方的两行文字“India's Most Trusted Corporate Renewables Platform”，不含品牌字标和徽标。首个合格帧为5.75秒，整段文字已完成渐显；前一帧5.5秒末尾文字仍在渐显。最后合格帧为7.25秒，文字虽移动并模糊但仍完整；7.5秒文字移出画面并被下边界裁切。选择6.0秒作为关键帧，文字清晰完整且无遮挡。","start_frame":138,"end_frame":180,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[256.8,747.2,741.7,868.5],"positive_points":[[346.4,768.5],[453.1,768.5],[643.8,768.5],[260.4,837],[425.5,835.2],[737,846.3]],"negative_points":[[500,659],[500,350],[210,820],[800,820]],"evidence":"目标是品牌下方的两行深蓝色声明“India's Most Trusted Corporate Renewables Platform”。边界框紧贴完整两行文字，包含字符及行间距；六个正点分布在两行左右及中部的字形笔画上，四个负点位于上方品牌字标、徽标及文字两侧的外部背景。"}},{"name":"Stepped corporate building medallion","description":"First building medallion introduced in the flowing network sequence; a stepped blue tower between short orange buildings, on an orange-tinted circular backing.","membership":"Include the circular backing and all enclosed building artwork. Exclude the sweeping network curves and traveling dots outside the circle.","id":"obj_008","temporal":{"status":"found","start_s":8.25,"end_s":10.0,"reference_s":9.0,"evidence":"目标是流动网络中最先出现的橙色圆形徽章，内部为阶梯状蓝色高楼及两侧橙色矮楼，不包含外部曲线和移动圆点。8.25秒首次完整呈现，9.75秒为最后合格帧；此前8.0秒建筑仍在显现、结构未完整，之后10.0秒徽章随网络缩小并开始淡出。选择9.0秒作为关键帧，圆形底及全部建筑清晰、无遮挡。","start_frame":198,"end_frame":240,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[100.5,513,237.5,756],"positive_points":[[157,594],[166,671],[119,666],[202,682],[204,557],[176,728]],"negative_points":[[141,485],[266,688],[165,789],[491,490]],"evidence":"目标是左下方橙色圆形衬底上的阶梯状蓝色高楼及两侧橙色矮楼。边界框覆盖整个圆形衬底和楼宇图案；正点分布在蓝楼、橙楼及圆形衬底上，负点位于圆外的移动圆点、下方网络曲线和中央另一栋楼上。"}},{"name":"Chevron-front corporate building medallion","description":"Building medallion with a blue tower marked by stacked chevron-like floor lines and orange side structures, on a green circular backing.","membership":"Include the full circular backing and its building contents. Exclude the external network curves and particles.","id":"obj_009","temporal":{"status":"found","start_s":8.5,"end_s":10.0,"reference_s":9.25,"evidence":"目标是绿色圆形衬底上的蓝色高楼，楼面有层叠人字形楼层线，两侧为橙色建筑；不含外部曲线和粒子。8.50秒首次完整呈现，8.25秒橙色侧楼尚未展开完成。最后合格帧为9.75秒，10.00秒进入缩小并淡出的转场，建筑内容已变淡。选择9.25秒为关键帧，目标完整清晰，位于三枚建筑徽章的中央，便于区分和标注。","start_frame":204,"end_frame":240,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[423.4,377.8,562.5,626.9],"positive_points":[[489,445],[480,549],[454,537],[527,430],[548,512],[495,598]],"negative_points":[[507,357],[350,505],[157,624],[573,670]],"evidence":"目标是画面中央带层叠人字形楼层线的蓝色高楼徽章，两侧为橙色建筑。框覆盖完整绿色圆形衬底及其中建筑；正点分布在楼体、侧楼和绿色衬底上，负点位于外部网络曲线、粒子、左侧其他徽章及外围背景。"}},{"name":"Tall corporate building medallion","description":"Rightmost building medallion in the three-building sequence, showing a tall blue tower and orange annexes against a cyan circular backing.","membership":"Include the circular backing and enclosed structures. Exclude the network curves and external dots.","id":"obj_010","temporal":{"status":"found","start_s":8.75,"end_s":10.0,"reference_s":9.25,"evidence":"目标是三栋建筑序列最右侧的徽章：青色圆形底板内有高蓝色塔楼及橙色附楼，不包含外部曲线和圆点。首个完整帧为8.75秒，8.50秒附楼尚未展开完成；最后 qualifying 帧为9.75秒，10.00秒徽章随整组缩小并开始淡出。选择9.25秒作为关键帧，此时结构清楚、无遮挡，易于区别于另外两栋建筑。","start_frame":210,"end_frame":240,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[731,262,868,504],"positive_points":[[803,305],[791,382],[829,414],[766,419],[849,356],[800,474]],"negative_points":[[796,187],[817,234],[490,488],[902,418]],"evidence":"目标是三座建筑中最右侧的徽章，蓝色高塔与橙色附楼位于青色圆形衬底上。边界框覆盖整个圆形衬底及内部建筑；正点分布于塔楼、附楼和圆形衬底，负点位于外部圆点、网络曲线、中央建筑及外围背景，均不包含在目标内。"}},{"name":"Energy particle container","description":"Large pale circular container that briefly encloses the shrinking corporate network, then displays scattered blue, green, and orange spheres.","membership":"Include the circular surface, surrounding circular rim when visible, and enclosed network or particle contents. Exclude the progress bar, caption, and broad background waves.","id":"obj_011","temporal":{"status":"found","start_s":10.25,"end_s":22.75,"reference_s":10.25,"evidence":"目标是包围彩色粒子的浅色圆形表面及外圈，不含下方进度条、文字或背景波纹。10.00秒圆面仍被画面上缘裁切，10.25秒首次完整呈现。随后内部粒子变为闪电徽章、齿轮钥匙，但圆形容器连续保留，最后合格帧为22.50秒；22.75秒该容器已消失，出现另外两个风能和太阳能圆图。选择10.25秒作为关键帧，容器边界完整且粒子内容清楚，最符合目标描述。","start_frame":246,"end_frame":546,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[304,83,668,685],"positive_points":[[487,85],[446,217],[373,359],[576,462],[489,495],[470,642]],"negative_points":[[450,771],[472,884],[244,450],[729,422]],"evidence":"目标是中央包含蓝、绿、橙色粒子的浅色圆形容器。边界框覆盖圆形表面、内部粒子及上方和两侧可见的淡蓝色外缘。正点分布在外缘、粒子和圆形表面；负点位于下方进度条、标题及左右背景波纹，均不属于容器。"}},{"name":"Energy requirements progress bar","description":"Horizontal white-outlined rounded bar beneath the energy circle, progressively filled with an orange-to-yellow gradient.","membership":"Include the rounded boundary, enclosed track, and colored fill. Exclude the circle above and text below.","id":"obj_012","temporal":{"status":"found","start_s":10.25,"end_s":12.25,"reference_s":10.5,"evidence":"目标为能量圆形下方的白色描边圆角进度条，包含轨道及橙黄渐变填充，不含文字和上方圆形。首个合格帧为10.25秒，末个为12.00秒；前一帧10.00秒的条形仍被画面底边裁切，后一帧12.25秒已被移除。选择10.50秒为关键帧，边界完整清晰，填充区和未填充轨道均易于辨认。","start_frame":246,"end_frame":294,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[357.3,733.3,625,791.7],"positive_points":[[368,762],[405,751],[465,774],[523,750],[585,770],[613,761]],"negative_points":[[492,645],[507,865],[329,760],[653,761]],"evidence":"目标是能量圆下方、文字上方的白色圆角进度条。边界框紧贴完整外轮廓，包含橙黄渐变填充和右端未填充轨道；六个正点分布于填充及轨道内，负点位于上方圆、下方文字和左右外部背景。"}},{"name":"Energy Requirements title","description":"Bold dark blue “Energy Requirements” text beneath the progress bar.","membership":"Include the complete text block only; exclude the bar and adjacent graphic.","id":"obj_013","temporal":{"status":"found","start_s":10.25,"end_s":12.25,"reference_s":11.5,"evidence":"目标是进度条下方深蓝色粗体“Energy Requirements”完整文字，不包括进度条和上方图形。首个合格帧为10.25秒，最后合格帧为12.00秒；此前10.00秒尚未显示该完整标题，此后12.25秒已切换为统计信息，标题消失。选择11.50秒作为关键帧，文字清晰完整且无遮挡。","start_frame":246,"end_frame":294,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[332.8,843.5,659.9,897.2],"positive_points":[[335,866.7],[375.5,879.6],[430.7,869.4],[451.6,863.9],[573.4,870.4],[653.6,881.5]],"negative_points":[[490,762],[486,559],[304,870],[681,868]],"evidence":"目标是进度条下方深蓝色粗体“Energy Requirements”标题。边界框紧贴完整文字块；六个正点分布在两个单词的实际笔画上，四个负点位于上方进度条、图形及标题左右的外部背景，均不包含在目标中。"}},{"name":"Lightning energy badge","description":"Orange-and-yellow scalloped circular badge with a white lightning bolt, replacing the particle contents and later occupying the center of the statistics layout.","membership":"Include the scalloped badge, enclosed face, white bolt, and pale circular backing. Exclude nearby statistics, captions, and the progress bar.","id":"obj_014","temporal":{"status":"found","start_s":10.75,"end_s":15.0,"reference_s":14.0,"evidence":"目标为橙黄色锯齿圆章、白色闪电及浅色圆形底板，随后持续位于统计布局中央。10.75秒首次完整呈现，虽有旋转但结构已完整；前一帧10.50秒仍是彩色粒子圆盘。最后合格帧为14.75秒，15.00秒圆章开始淡化并向齿轮图标转换。选择14.00秒作为关键帧，徽章正面清晰、底板完整，且与周围统计信息分离。","start_frame":258,"end_frame":360,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[376,283,622,718],"positive_points":[[395,472],[604,532],[463,425],[546,501],[497,504],[491,619]],"negative_points":[[503,777],[219,390],[766,423],[500,229]],"evidence":"目标位于画面中央，是带白色闪电的橙黄色齿边徽章。边界框覆盖徽章及完整浅蓝色圆形背衬；正点分布于背衬、橙黄色表面和白色闪电，负点位于下方说明文字、两侧统计文字及上方外部背景，均不属于目标。"}},{"name":"Renewables capacity icon","description":"Upper-left statistics medallion showing a small blue solar panel on a pale cyan circular backing.","membership":"Include the circular backing and enclosed solar panel. Exclude the capacity text below.","id":"obj_015","temporal":{"status":"found","start_s":12.25,"end_s":15.5,"reference_s":14.0,"evidence":"目标是统计场景左上方的浅青色圆形底板及其中蓝色太阳能板，不含下方容量文字。12.25秒首次完整呈现，前一帧12.00秒尚无该图标；15.25秒仍完整可见，15.50秒已随统计内容移出画面。选择14.00秒为关键帧，此时图标清晰、无遮挡，易与其他统计图标区分。","start_frame":294,"end_frame":372,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[167.7,107.4,268.2,285.2],"positive_points":[[215,133],[250,172],[249,228],[218,267],[186,181],[225,210]],"negative_points":[[216,343],[289,198],[216,80],[145,210]],"evidence":"目标是左上方容量统计文字上方的太阳能板徽章。边界框覆盖淡青色圆形底衬及其中的蓝色太阳能板，不包含下方文字。正点分布在圆形底衬和太阳能板上；负点位于圆外背景及下方容量文字上。"}},{"name":"Renewables capacity statistic","description":"Upper-left numeric block labeled “Renewables AUM,” counting upward to “1.6 GW+”.","membership":"Include the changing capacity value and both label lines as one text block. Exclude the solar-panel medallion.","id":"obj_016","temporal":{"status":"found","start_s":12.25,"end_s":15.5,"reference_s":14.0,"evidence":"目标是左上方由变化的容量数值及“Renewables”“AUM”两行标签组成的文字块，不含太阳能板圆形图标。12.25秒文字结构已完整显示，随后数值递增至1.6 GW+；15.25秒仍完整可见。前一帧12.00秒尚无该统计块，后一帧15.50秒文字向左退出并被画面边界裁切。选择14.00秒作关键帧，此时文字清晰、完整且无遮挡。","start_frame":294,"end_frame":372,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[158.9,323.1,273.5,447.2],"positive_points":[[174.5,339],[244,342],[161.5,389],[270,393],[200,438],[229,435]],"negative_points":[[217,195],[140,388],[290,389],[217,475]],"evidence":"目标位于左上方，由“1.6 GW+”“Renewables”“AUM”三行文字组成。边界框紧贴整个文字块，排除上方太阳能板徽章。六个正点分布在三行文字的笔画上；负点位于太阳能板图案及文字块左侧、右侧和下方的外部背景。"}},{"name":"Carbon avoidance icon","description":"Upper-right statistics medallion with a blue footprint and orange “CO₂” lettering.","membership":"Include the pale circular backing, footprint, and the “CO₂” lettering within the icon. Exclude the numeric statistic below.","id":"obj_017","temporal":{"status":"found","start_s":12.25,"end_s":15.25,"reference_s":14.0,"evidence":"目标为统计画面右上方的浅色圆形衬底、蓝色脚印及橙色“CO₂”，不含下方数值文字。12.25秒首次完整呈现，前一帧12.00秒仍为能源需求画面；15.00秒为最后完整帧，15.25秒该图标向上移出并受到画面边界裁切。选择14.00秒作为关键帧，图标清晰完整且无遮挡。","start_frame":294,"end_frame":366,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[725,104,827,288],"positive_points":[[773,122],[812,248],[737,231],[792,181],[784,242],[740,192]],"negative_points":[[777,332],[856,204],[693,199],[776,62]],"evidence":"目标位于右上角，由浅色圆形底、蓝色脚印和橙色“CO₂”组成。边界框覆盖完整图标及圆形底，不含下方统计文字。正点分布于圆形底、脚印和字母笔画上；负点位于外围背景及下方数值文字上。"}},{"name":"Carbon avoidance statistic","description":"Upper-right block counting upward to “0.7 Million+” above “Tonnes of CO₂ Avoided”.","membership":"Include the changing number and complete associated label. Exclude the footprint medallion.","id":"obj_018","temporal":{"status":"found","start_s":12.5,"end_s":15.5,"reference_s":14.25,"evidence":"目标是右上方递增数值及完整的“Tonnes of CO₂ Avoided”标签，不含脚印圆章。12.50秒首次完整呈现，15.25秒仍完整可见；此前12.25秒标签部分被中央圆形遮挡，尚未完整揭示，之后15.50秒文字移出右边界并被裁切。选择14.25秒作为关键帧，数值已达“0.7 Million+”，文字清晰且无遮挡。","start_frame":300,"end_frame":372,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[705.7,313.9,844.3,442.6],"positive_points":[[713.5,324.1],[752.6,333.3],[711.5,372.2],[817.2,383.3],[737.5,428.7],[809.4,428.7]],"negative_points":[[791.7,199.1],[677.1,379.6],[869.8,379.6],[770.8,476.9]],"evidence":"目标为右上方的碳减排统计文字，框覆盖“0.7 Million+”“Tonnes of CO₂”和“Avoided”三行完整文字，不含上方脚印徽章。六个正点分布于三行文字的字形笔画上；负点位于脚印徽章及文字块左、右、下方的外部背景。"}},{"name":"Geographic coverage icon","description":"Lower-left statistics medallion showing a blue location pin over an orange oval.","membership":"Include the pale circular backing, pin, its inner opening, and orange oval. Exclude the coverage text below.","id":"obj_019","temporal":{"status":"found","start_s":12.25,"end_s":15.5,"reference_s":14.0,"evidence":"目标是统计区域左下方的浅蓝圆形底盘、蓝色空心定位针和橙色椭圆，不含下方覆盖范围文字。12.25秒首次完整出现，前一帧12.00秒尚无该图标；15.25秒仍完整可见，15.50秒已移出画面。选择14.00秒为关键帧，此时图标清���、无遮挡，且与其他统计图标易于区分。","start_frame":294,"end_frame":372,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[160,594.4,261.5,772.2],"positive_points":[[211,616],[173,680],[219,750],[199,667],[211,667],[230,719]],"negative_points":[[140,683],[285,681],[191,824],[211,546]],"evidence":"目标是左下方覆盖范围文字上方的定位图标。边界框包含淡色圆形底板、蓝色定位针及其内部开口和橙色椭圆，不含下方文字。正点分布于底板、定位针、开口和椭圆；负点位于圆外背景及下方覆盖范围文字上。"}},{"name":"Geographic coverage statistic","description":"Lower-left numeric block increasing to “9+ States &” above “Inter-State Solutions”.","membership":"Include the changing value and full associated text as one block. Exclude the location-pin medallion.","id":"obj_020","temporal":{"status":"found","start_s":12.25,"end_s":15.5,"reference_s":14.25,"evidence":"目标是左下方由数值、“States &”及“Inter-State Solutions”组成的文字块，不含定位图标。12.25秒首次完整呈现，数值随后递增至9+；15.25秒仍完整可见。相邻的12.00秒尚无该文字块，15.50秒文字块退出画面并被边界裁切。选择14.25秒作关键帧，此时完整的“9+ States & / Inter-State Solutions”清晰且无遮挡。","start_frame":294,"end_frame":372,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[109.4,804.6,308,888.9],"positive_points":[[135.4,817.6],[169.8,825],[262.5,828.7],[110.9,873.1],[179.2,874.1],[242.2,873.1]],"negative_points":[[210.9,685.2],[93.8,842.6],[322.9,876.9],[207.3,925.9]],"evidence":"目标为左下方的地理覆盖统计，框住“9+ States &”及下一行完整的“Inter-State Solutions”，不包含上方定位图标。六个正点分布在两行文字的字形笔画上；负点位于定位图标及文字块左侧、右侧和下方的外部背景。"}},{"name":"Trees saved icon","description":"Lower-right statistics medallion showing a blue open hand supporting an orange-leaved sprout.","membership":"Include the circular backing, hand, cuff, stem, and leaves. Exclude the trees-saved statistic below.","id":"obj_021","temporal":{"status":"found","start_s":12.5,"end_s":15.5,"reference_s":14.25,"evidence":"目标是统计画面右下方的圆形徽章，内含蓝色托手、袖口及橙叶幼苗，不包括下方统计文字。12.50秒首次完整呈现，12.25秒仍被中央大圆遮挡、尚未完整揭示；15.25秒仍完整可见，15.50秒已随布局移出右侧画面。选择14.25秒作为关键帧，此时徽章结构清晰、无遮挡且与其他统计图标容易区分。","start_frame":300,"end_frame":372,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[722,594,825,772],"positive_points":[[776,619],[814,690],[772,708],[744,699],[766,657],[788,661]],"negative_points":[[777,826],[854,690],[773,558],[566,508]],"evidence":"目标是右下方托举橙色幼苗的蓝色手掌圆形图标。框覆盖浅蓝圆形衬底、手掌、袖口、茎和叶片，不含下方统计文字。正点分布在衬底及图形各部分；负点位于下方文字、外围背景和中央其他图标上。"}},{"name":"Trees saved statistic","description":"Lower-right text block counting upward to “3.5 Million+” above “Trees Saved”.","membership":"Include the changing number and its label. Exclude the hand-and-sprout medallion.","id":"obj_022","temporal":{"status":"found","start_s":12.5,"end_s":15.5,"reference_s":14.25,"evidence":"目标是右下方由递增数字和“Trees Saved”组成的文字块，不含手托幼苗图标。12.50秒首次完整显示“0.4 Million+ / Trees Saved”，随后数字增至3.5；15.25秒仍完整可见，是最后合格帧。此前12.25秒文字尚被中央图形遮挡、未完整呈现；此后15.50秒目标随布局移出画面，已不完整。选择14.25秒作为关键帧，文字清晰且无遮挡。","start_frame":300,"end_frame":372,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[708.3,804.6,846.4,892.6],"positive_points":[[715,812],[755,825],[839,824],[722.4,879.6],[780,871.3],[828,882]],"negative_points":[[775,692],[691,845],[864,853],[776,922]],"evidence":"目标为右下角的“3.5 Million+”及下方“Trees Saved”两行文字，边界框紧密覆盖完整文字块。六个正点分布在两行文字的字形笔画上；负点位于上方排除的手托幼苗图案及文字块左、右、下方的外部背景。"}},{"name":"Growth statement","description":"Centered “And Growing....” statement beneath the energy badge in the statistics layout.","membership":"Include the complete text and trailing dots only. Exclude the badge and surrounding statistics.","id":"obj_023","temporal":{"status":"found","start_s":13.75,"end_s":15.25,"reference_s":14.25,"evidence":"目标是统计布局中能量徽章下方居中的“And Growing....”完整文字及尾随圆点。首个合格帧为13.75秒，最后合格帧为15.00秒；此前13.50秒文字仍在淡入、字距尚在展���，之后15.25秒文字开始淡出并与下一段内容重叠。选择14.25秒作为关键帧，文字清晰完整且无遮挡，易与周围统计数据区分。","start_frame":330,"end_frame":366,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[413.5,759.3,602.1,804.6],"positive_points":[[419.8,781.5],[457.3,784.3],[476.6,777.8],[525.5,785.2],[571.4,786.1],[598.4,790.7]],"negative_points":[[500,555.6],[507.3,835.2],[383.3,779.6],[630.2,780.6]],"evidence":"目标是能源徽章下方居中的“And Growing....”文字。边界框紧贴完整文字及末尾四个点；六个正点分布于单词笔画和末尾点上，负点位于上方徽章及文字左右、下方的外部背景。"}},{"name":"Offsite ownership gear and key","description":"Central orange-and-yellow gear enclosing a dark blue key on a white center, presented on a pale cyan circular backing; the key rotates during the offsite-source sequence.","membership":"Include the circular backing, gear outline and face, white center, and key in all visible orientations. Exclude surrounding connector lines, source medallions, and caption.","id":"obj_024","temporal":{"status":"found","start_s":15.25,"end_s":22.75,"reference_s":19.0,"evidence":"目标是淡青色圆形底板上的橙黄色齿轮、白色中心及深蓝色钥匙，不含连线和说明文字。15.25秒首次完整呈现；此前15.00秒仍是闪电徽章向齿轮转换的阶段。22.50秒目标仍完整可见，22.75秒已消失并切换为风能、太阳能图标。选择19.00秒作为关键帧，齿轮与钥匙轮廓清晰、无遮挡；钥匙旋转的其他朝向均保留在区间内。","start_frame":366,"end_frame":546,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[405.7,370.4,591.7,700],"positive_points":[[496,395],[420,533],[535,675],[541,487],[520,541],[498,523]],"negative_points":[[375,480],[650,712],[494,763],[211,497]],"evidence":"目标位于画面中央，为浅青色圆形底板上的橙黄色齿轮及深蓝色钥匙。边界框紧贴整个圆形底板，包含齿轮、白色中心和钥匙。正点分布于底板、齿轮、白色中心及钥匙；负点位于外围连接线、下方说明文字和左侧太阳能图标，均不属于目标。"}},{"name":"Offsite ownership statement","description":"Three-line text reading “Offsite Sources Owned & Operated By Vibrant Energy” beneath the gear-and-key graphic.","membership":"Include the complete text block across its reveal and fade. Exclude the gear medallion and neighboring labels.","id":"obj_025","temporal":{"status":"found","start_s":16.0,"end_s":22.0,"reference_s":19.0,"evidence":"目标是齿轮钥匙图标下方的三行文字“Offsite Sources / Owned & Operated / By Vibrant Energy”，不含图标及周围标签。16.00秒首次完整清晰呈现；此前15.75秒第三行仍在淡入。21.75秒是最后合格帧，22.00秒文字开始淡出。选择19.00秒作为关键帧，三行文字清晰完整且无遮挡。","start_frame":384,"end_frame":528,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[405.7,748.1,593.2,873.1],"positive_points":[[427.1,762.0],[571.4,767.6],[407.8,807.4],[591.1,808.3],[415.1,851.9],[582.3,858.3]],"negative_points":[[500,620],[365,810],[637,817],[500,928]],"evidence":"目标是齿轮钥匙图案下方的三行文字“Offsite Sources / Owned & Operated / By Vibrant Energy”。边界框紧密覆盖完整三行文字；六个正点分布在各行左右的字形笔画上，负点位于上方齿轮及文字块左、右、下方的外部背景，排除图案和邻近标签。"}},{"name":"Wind source medallion","description":"Lower-left offsite-source medallion containing a blue turbine mast with three orange-and-yellow blades.","membership":"Include the pale cyan circular backing and the complete turbine. Exclude its connector and the external “Wind” label.","id":"obj_026","temporal":{"status":"found","start_s":15.75,"end_s":22.25,"reference_s":19.0,"evidence":"目标是场外能源来源图左下方的风能徽章：浅青色圆形底板内有蓝色塔柱及橙黄色三叶风轮，不含连线和“Wind”文字。15.75秒首次完整呈现；此前15.50秒仍在淡入，风机尚未清晰完整显示。最后合格帧为22.00秒，22.25秒徽章离场并被左下边界裁切。选择19.00秒作关键帧，徽章完整清晰、无遮挡且易于区分。","start_frame":378,"end_frame":534,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[240.6,716.7,344.3,901.9],"positive_points":[[289.1,736.1],[320.8,815.7],[267.2,845.4],[292.7,858.3],[279.2,772.2],[310.4,779.6]],"negative_points":[[294.3,942.6],[347.0,713.9],[218.8,787.0],[369.8,861.1]],"evidence":"目标是左下方带三叶风机的浅青色圆形徽章。框覆盖完整圆形底衬及风机，不含连接线和下方“Wind”文字。六个正点分布在底衬、叶片和塔杆上；负点位于外部文字、连接线端点及周围背景。"}},{"name":"Wind source label","description":"Dark blue “Wind” label below the offsite-source turbine medallion.","membership":"Include the word only; exclude the medallion and connector.","id":"obj_027","temporal":{"status":"found","start_s":16.0,"end_s":22.25,"reference_s":19.0,"evidence":"目标是离场能源风机圆形图标下方的深蓝色单词“Wind”，仅包含文字。16.00秒首次完整清晰呈现；前一帧15.75秒仍在揭示文字，末尾尚未完整显示。22.00秒文字虽随整体移动而模糊，但仍完整可见；22.25秒已移出画面，不再完整显示。选择19.00秒为关键帧，此时文字清晰、无遮挡，与风机图标及连接线容易区分。","start_frame":384,"end_frame":534,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[268.8,927.8,320,956.5],"positive_points":[[270.8,932.4],[276,950],[284.4,936.1],[290.1,948.1],[296.4,945.4],[317.7,941.7]],"negative_points":[[292.7,810.2],[291.7,977.8],[250,939.8],[338.5,939.8]],"evidence":"目标是左下方风机圆形图案下的深蓝色“Wind”文字。边界框仅覆盖完整单词；六个正点分布在各字母笔画上，负点位于上方风机图案及文字左、右、下方的外部背景，排除图案和连接线。"}},{"name":"Solar source medallion","description":"Left-middle offsite-source medallion containing a blue gridded solar panel beneath a small orange sun.","membership":"Include the pale circular backing, solar panel, grid, and sun. Exclude the connector and label below.","id":"obj_028","temporal":{"status":"found","start_s":16.5,"end_s":22.25,"reference_s":19.0,"evidence":"目标是离场能源图示左侧中部的太阳能圆章，包含浅色圆形底、蓝色网格面板和橙色太阳，不含连线及标签。16.50秒首次全部呈现；前一帧16.25秒尚未出现太阳。22.00秒圆章仍完整，22.25秒向左退出时已被画面边界裁切。选择19.00秒作关键帧，圆章清晰完整，与其他能源图标容易区分。","start_frame":396,"end_frame":534,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[159,389,263,574],"positive_points":[[205,420],[250,464],[238,545],[176,535],[231,444],[210,500]],"negative_points":[[211,601],[306,480],[135,481],[215,353]],"evidence":"目标位于图像左侧中部，是含蓝色网格太阳能板和橙色太阳的浅色圆形徽章。边界框覆盖圆形底衬、面板、网格及太阳，不含下方“Solar”标签和右侧连接线。正点分布在底衬、太阳及面板上；负点位于标签、连接线及圆外背景。"}},{"name":"Solar source label","description":"Dark blue “Solar” text below the left-middle source medallion.","membership":"Include the word only; exclude the solar graphic and its backing.","id":"obj_029","temporal":{"status":"found","start_s":16.5,"end_s":22.25,"reference_s":19.0,"evidence":"目标是左侧中部太阳能图标下方的深蓝色单词“Solar”，仅计文字。16.50秒首次完整清晰呈现；16.25秒末尾字母仍在淡入。22.00秒文字虽随场景移动而模糊，但仍完整可见；22.25秒已移至左边界并被裁切。选择19.00秒作为关键帧，文字清晰、无遮挡，且与图标容易分离。","start_frame":396,"end_frame":534,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[186.98,587.04,235.42,613.89],"positive_points":[[190.1,590.74],[192.71,609.26],[199.48,601.85],[210.94,600],[220.83,610.19],[229.17,597.22]],"negative_points":[[210.42,500],[171.88,601.85],[250,601.85],[210.94,643.52]],"evidence":"目标是图像左侧中部太阳能图标下方的深蓝色“Solar”文字。边界框仅覆盖完整单词，不含上方图形及圆形底衬；六个正点分布在各字母笔画上，四个负点位于上方太阳能图形及文字左、右、下方的外部背景。"}},{"name":"Hybrid source medallion","description":"Upper-left offsite-source medallion combining a blue solar panel, orange sun, and orange-bladed wind turbine.","membership":"Include the circular backing and all enclosed solar and wind artwork. Exclude the connector and external label.","id":"obj_030","temporal":{"status":"found","start_s":16.75,"end_s":22.25,"reference_s":19.0,"evidence":"目标是离站能源图示左上方的 Hybrid 圆形徽章，包含浅蓝圆形底、蓝色太阳能板、橙色太阳及风机，不含连线和外部标签。16.75 秒首次完整呈现；前一帧 16.50 秒仅有尚在显现的小太阳能板，组合 artwork 未完成。最后合格帧为 22.00 秒，徽章虽向上移动但仍完整；22.25 秒已移出并受到画面上边界裁切。选择 19.00 秒作为关键帧，徽章清晰完整，与其他能源图标容易区分。","start_frame":402,"end_frame":534,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[239,73,342,258],"positive_points":[[278,129],[268,197],[304,204],[305,124],[320,167],[326,214]],"negative_points":[[286,292],[366,262],[222,182],[283,45]],"evidence":"目标是左上方由太阳能板、橙色太阳和风机构成的 Hybrid 圆形徽章。框覆盖完整圆形底板及其中图案，不含下方标签和右侧连接线。正点分布在太阳、面板、风机及圆形底板上；负点位于外部标签��连接线和周围背景。"}},{"name":"Hybrid source label","description":"Dark blue “Hybrid” label beneath the combined solar-and-wind medallion.","membership":"Include the entire word only; exclude the medallion and connector.","id":"obj_031","temporal":{"status":"found","start_s":16.75,"end_s":22.25,"reference_s":19.0,"evidence":"目标是太阳能与风能组合圆形图标下方的深蓝色完整单词“Hybrid”，不含图标和连线。16.75秒首次完整清晰呈现；前一帧16.50秒文字仍在淡入、显示不完整。22.00秒文字虽随画面移动而模糊，但仍完整可见，为最后合格帧；22.25秒已移至画面上缘并被裁切。选择19.00秒作为关键帧，文字清晰、无遮挡且易于独立标注。","start_frame":402,"end_frame":534,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[257.8,275.9,322.9,311.1],"positive_points":[[260.4,288.9],[276.0,297.2],[285.4,293.5],[298.4,291.7],[307.3,294.4],[320.3,291.7]],"negative_points":[[286.5,194.4],[369.8,265.7],[247.4,294.4],[291.7,336.1]],"evidence":"目标是左上方太阳能与风能组合图标下的深蓝色“Hybrid”。边界框仅覆盖完整单词，包括下伸笔画；六个正点分布在各字母笔画上，负点位于上方图标、右侧连接线及文字外部背景，排除这些区域。"}},{"name":"Storage source medallion","description":"Upper-right offsite-source medallion showing a blue horizontal battery with a yellow lightning bolt and orange terminal.","membership":"Include the circular backing and complete battery symbol. Exclude the connector and external label.","id":"obj_032","temporal":{"status":"found","start_s":17.0,"end_s":22.25,"reference_s":19.0,"evidence":"目标是右上方带浅蓝圆形底板的储能徽章，内部为蓝色横向电池、黄色闪电及橙色端子，不含连线和文字。17.0秒首次完整呈现，虽尺寸较小但结构齐全；前一帧16.75秒尚无该徽章。22.0秒仍完整可见，22.25秒已移出画面，因此最后合格帧为22.0秒。选择19.0秒作为关键帧，此时徽章大小清楚、无遮挡，便于标注。","start_frame":408,"end_frame":534,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[670.3,69.4,775,255.6],"positive_points":[[723,95],[761,181],[691,215],[704,151],[723,163],[754,159]],"negative_points":[[717,285],[626,269],[724,41],[797,156]],"evidence":"目标是右上方、Storage 标签上方的圆形徽章，内有蓝色电池、黄色闪电和橙色端子。框覆盖完整圆形底衬及电池符号，不含连接线和标签。正点分布在底衬与电池各部件上；负点位于外部标签、连接线及徽章外背景。"}},{"name":"Storage source label","description":"Dark blue “Storage” text below the battery medallion.","membership":"Include the word only; exclude the battery and backing circle.","id":"obj_033","temporal":{"status":"found","start_s":17.75,"end_s":22.25,"reference_s":19.0,"evidence":"目标是电池圆形图标下方的深蓝色单词“Storage”，不包含图标或底圈。17.50秒文字末尾仍在淡入，17.75秒首次完整清晰呈现；22.00秒文字虽随画面移动而模糊，但仍完整位于画内，是最后合格帧，22.25秒已移出画面。选择19.00秒作为关键帧，文字清晰、无遮挡，且与其他标签易于区分。","start_frame":426,"end_frame":534,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[684.9,267.6,760.9,301.9],"positive_points":[[687.5,274.1],[700,284.3],[706.3,285.2],[729.2,291.7],[739.6,285.2],[752.6,284.3]],"negative_points":[[722,160],[758,220],[673,283],[725,332]],"evidence":"目标是右上方电池圆形图案下的深蓝色“Storage”。边界框仅覆盖完整单词；六个正点分布在字母笔画上，负点位于上方电池及衬底圆、文字左侧和下方背景，均不包含在目标内。"}},{"name":"Green hydrogen medallion","description":"Right-middle offsite-source medallion with a blue “H”, orange subscript “2”, and orange leaf crossing the letter.","membership":"Include the pale circular backing and the complete leaf-and-H₂ symbol. Exclude the connector and external caption.","id":"obj_034","temporal":{"status":"found","start_s":18.0,"end_s":22.25,"reference_s":19.0,"evidence":"目标是画面右中部带浅色圆形底、蓝色H、橙色下标2及横跨字母的橙色叶片的徽章，不含连线和外部文字。18.00秒首次完整呈现；此前17.75秒下标2仍在淡入。22.00秒是最后完整可见帧，22.25秒徽章向右退出并被画面边界裁切。选择19.00秒作为关键帧，此时结构清晰、无遮挡，且容易与其他能源徽章区分。","start_frame":432,"end_frame":534,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[736,372,841,560],"positive_points":[[769,430],[777,456],[810,499],[803,402],[827,474],[780,533]],"negative_points":[[690,479],[782,607],[860,455],[790,340]],"evidence":"目标是图像右侧中部、Green Hydrogen 标题上方的圆形徽章。边界框覆盖浅色圆形底板及完整的蓝色 H、橙色叶���和下标 2；正点分布在符号与底板上，负点位于左侧连接线、下方标题及圆外背景，均不包含在目标内。"}},{"name":"Green Hydrogen label","description":"Dark blue “Green Hydrogen” label below the H₂ medallion.","membership":"Include the complete text line only; exclude the medallion and connector.","id":"obj_035","temporal":{"status":"found","start_s":18.25,"end_s":22.25,"reference_s":20.0,"evidence":"目标是右侧 H₂ 圆形图标下方独立的深蓝色“Green Hydrogen”完整文字行，不含图标和连线。18.25 秒文字已完整显现；前一帧 18.00 秒右半部分仍在淡入。最后符合条件的是 22.00 秒，文字虽随画面移动但仍完整；22.25 秒已向右移出并被画面边界裁切。选择 20.00 秒作为关键帧，文字清晰、无遮挡，易于单独标注。","start_frame":438,"end_frame":534,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[708.3,589.8,867.7,625.0],"positive_points":[[711.5,601.9],[725.0,604.6],[747.4,615.7],[776.0,602.8],[808.3,600.9],[864.1,606.5]],"negative_points":[[785.4,479.6],[691.7,478.7],[790.0,652.8],[883.3,601.9]],"evidence":"目标是 H₂ 圆形图标下方的深蓝色“Green Hydrogen”单行文字。边界框紧贴完整文字，正点分布在两词的字形笔画上；负点位于上方图标、左侧连接线及文字下方和右侧的外部背景，排除图标和连接线。"}},{"name":"Energy trading medallion","description":"Lower-right offsite-source medallion showing blue circular exchange arrows and orange tokens bearing a dollar sign and lightning bolt.","membership":"Include the circular backing, exchange arrows, and tokens throughout their rotation and reveal. Exclude the external connector and label.","id":"obj_036","temporal":{"status":"found","start_s":18.5,"end_s":22.5,"reference_s":20.0,"evidence":"目标是离场能源来源图右下方的浅蓝圆形徽章，内有蓝色循环交换箭头及美元、闪电橙色代币，不含连线和标签。18.50秒首次完整呈现，22.25秒为最后完整可见帧；此前18.25秒代币仍在揭示，之后22.50秒徽章已消失。选择20.00秒作为关键帧，徽章结构清晰、无遮挡，与其他图标易于区分。","start_frame":444,"end_frame":540,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[714,682,818,866],"positive_points":[[770,700],[809,797],[767,725],[758,825],[738,781],[793,767]],"negative_points":[[762,916],[651,712],[849,765],[755,645]],"evidence":"目标位于右下方，是带蓝色循环交换箭头、美元和闪电橙色代币的圆形徽章。边界框覆盖圆形底板及内部图案，不含外部连线和“Energy Trading”标签。正点分布于底板、箭头和两枚代币，负点位于外部标签、连接线及周围背景。"}},{"name":"Energy Trading label","description":"Dark blue “Energy Trading” text beneath the exchange-arrow medallion.","membership":"Include the complete text line only; exclude the medallion and connector.","id":"obj_037","temporal":{"status":"found","start_s":18.75,"end_s":22.25,"reference_s":19.25,"evidence":"目标是右下方交换箭头徽章下的深蓝色“Energy Trading”完整文字行，不含徽章和连接线。18.75秒首次完整显现，18.50秒文字右侧仍在淡入；22.00秒虽随画面移动而模糊，但文字仍完整，22.25秒已移至画面下缘并被裁切，因此最后合格帧为22.00秒。选择19.25秒作为关键帧，文字清晰、无遮挡，易与相邻图标区分。","start_frame":450,"end_frame":534,"reference_frame":462},"grounding":{"status":"found","bbox_xyxy":[693.2,897.2,837.5,932.4],"positive_points":[[695.8,911.1],[722.4,913.0],[741.1,910.2],[769.3,900.9],[806.3,909.3],[833.9,927.8]],"negative_points":[[770.8,819.4],[677.1,911.1],[854.2,911.1],[770.8,963.0]],"evidence":"目标是右下方交换箭头圆形图标下的深蓝色“Energy Trading”标签。边界框紧贴完整单行文字；六个正点分布在两个单词的字形笔画上，负点位于上方图标及文字左、右、下方的外部背景，排除图标和连接线。"}},{"name":"Wind generation landscape medallion","description":"Large upper-left circular illustration introduced after the offsite-source layout, showing a white turbine over green rolling ground beneath a blue sky.","membership":"Include the cyan outer circular rim, enclosed sky and land, clouds, and turbine. Exclude the electrical connection path extending from it.","id":"obj_038","temporal":{"status":"found","start_s":22.75,"end_s":26.0,"reference_s":24.25,"evidence":"目标是左上方带青色圆环的风电景观圆章，内部有白色风机、蓝天、云和绿色丘陵，不包含外接电路线。22.75秒首次完整出现，虽尺寸较小但结构已齐全；25.75秒为最后完整帧。此前22.50秒仍是齿轮钥匙图标，尚无该圆章；26.00秒圆章向上移出并被画面上缘裁切。选择24.25秒作为关键帧，圆章较大、完整清晰且无遮挡。","start_frame":546,"end_frame":624,"reference_frame":582},"grounding":{"status":"found","bbox_xyxy":[160.9,92.6,347.4,422.2],"positive_points":[[252.6,104.6],[203.1,213.0],[250.0,282.4],[311.5,204.6],[226.6,342.6],[338.0,277.8]],"negative_points":[[390.6,247.2],[250.0,703.7],[140.6,259.3],[260.4,463.0]],"evidence":"目标是左上方含白色风机、蓝天和绿色丘陵的圆形插画。边界框紧贴青色外圆，包含圆内全部景物，不含向右延伸的电气连接线。正点分布于外框、天空、云、风机和草地；负点位于右侧连接线、下方太阳能图案及圆外背景。"}},{"name":"Solar generation landscape medallion","description":"Large lower-left circular illustration paired with the wind landscape, showing a blue solar panel on a white support over green rolling ground.","membership":"Include the cyan circular rim and all enclosed landscape and solar-panel artwork. Exclude the electrical connection path outside the circle.","id":"obj_039","temporal":{"status":"found","start_s":22.75,"end_s":26.25,"reference_s":25.0,"evidence":"目标是风景风机圆章下方的太阳能风景圆章，包含青色圆环、蓝色光伏板、白色支架及绿色地面。22.75秒虽尺寸较小，但自身结构已完整；前一帧22.50秒尚未出现。最后合格帧为26.00秒，26.25秒圆章开始被遮罩擦除。选择25.00秒作关键帧，目标较大、完整清晰，且与外部电气连线易于区分。","start_frame":546,"end_frame":630,"reference_frame":600},"grounding":{"status":"found","bbox_xyxy":[162.5,556,346,882],"positive_points":[[254,569],[224,630],[255,710],[260,773],[226,817],[338,721]],"negative_points":[[383,728],[141,722],[250,278],[255,924]],"evidence":"目标是左下方含蓝色太阳能板、白色支架和绿色地面的圆形景观。边界框紧贴青色圆环外缘，包含圆环及全部内部画面。正点分布在圆环、天空、太阳能板、支架和草地上；负点位于圆外连接线、外围背景及上方风电插图中。"}},{"name":"Combined electricity capsule","description":"Blue rounded horizontal capsule with an orange lightning bolt, positioned where the wind and solar connection paths converge.","membership":"Include the capsule surface, rounded boundary, bolt, and internal white divider when visible. Exclude incoming and outgoing lines and traveling dots.","id":"obj_040","temporal":{"status":"found","start_s":23.75,"end_s":26.75,"reference_s":25.25,"evidence":"目标是风能与太阳能连接线汇合处的蓝色圆角电力胶囊，内有橙色闪电，后续出现白色分隔线。23.75秒首次显示完整胶囊，虽尺寸很小但结构已建立；前一帧23.50秒只有连接线和移动圆点。最后合格帧为26.50秒，胶囊向左移动但仍完整；26.75秒已消失，只剩线路及右侧金币。选择25.25秒作为关键帧，胶囊、闪电及白色分隔线清晰且无遮挡。","start_frame":570,"end_frame":642,"reference_frame":606},"grounding":{"status":"found","bbox_xyxy":[493.75,440.74,576.56,533.33],"positive_points":[[506.77,483.33],[530.73,454.63],[524.48,487.96],[545.83,499.07],[564.58,477.78],[534.38,517.59]],"negative_points":[[473.96,475.93],[468.75,500],[609.38,487.96],[536.46,398.15]],"evidence":"目标位于风能与太阳能连线汇合处，是带橙色闪电的蓝色横向圆角胶囊。边界框紧贴胶囊外缘，包含表面、闪电和白色分隔线，不包含连接线。六个正点分布在胶囊表面、闪电及分隔线上；四个负点位于左右连接线和上方外部背景。"}},{"name":"Pay-per-unit meter","description":"Right-side gauge with a blue needle, dark tick marks, orange lower face, pale blue upper face, and detached blue arc segments above.","membership":"Include the circular meter face and contents, needle, ticks, and the associated segmented outer scale. Keep gaps between the outer segments open. Exclude the connecting line and caption.","id":"obj_041","temporal":{"status":"found","start_s":24.75,"end_s":26.75,"reference_s":25.5,"evidence":"目标是右侧带蓝色指针、深色刻度、橙色下半表盘及分段蓝色外弧的仪表，不含连线和字幕。24.75秒首次完整呈现；前一帧24.50秒外弧尚未全部建立。最后合格帧为26.50秒，仪表虽旋转至侧面，仍保留表盘及外弧；26.75秒已被金币替换且外弧开始消失。选择25.50秒作关键帧，仪表正面清晰、无遮挡，各组成部分易于标注。","start_frame":594,"end_frame":642,"reference_frame":612},"grounding":{"status":"found","bbox_xyxy":[636.5,297.2,840.6,613],"positive_points":[[645.8,428.7],[701,321.3],[774.5,322.2],[824.5,416.7],[754.2,463.9],[732.8,549.1]],"negative_points":[[735.9,718.5],[609.4,487.5],[878.6,415.7],[729.2,240.7]],"evidence":"目标是右侧带蓝色指针、刻度和橙色下半表面的仪表。框覆盖完整圆形表盘及四段分离的外侧蓝色刻度弧，不含连接线和下方标题。六个正点分布在四段外弧、指针和橙色表面；负点位于标题、左侧连接线及仪表外部背景。"}},{"name":"Pay-Per Unit Models caption","description":"Two-line dark blue text reading “Pay-Per Unit Models” below the meter.","membership":"Include the complete text block only; exclude the meter and electrical connection path.","id":"obj_042","temporal":{"status":"found","start_s":25.0,"end_s":26.75,"reference_s":25.5,"evidence":"目标是仪表下方的两行深蓝色“Pay-Per Unit Models”文字，仅包含文字块。25.00秒首次完整显示；此前24.75秒文字仍在渐显、字距尚在展开。最后合格帧为26.50秒，文字虽随动画缩小并有运动模糊，但仍完整；26.75秒文字已明显淡出。选择25.50秒作为关键帧，文字清晰、无遮挡，易与仪表和连接线区分。","start_frame":600,"end_frame":642,"reference_frame":612},"grounding":{"status":"found","bbox_xyxy":[669.8,653.7,804.2,736.1],"positive_points":[[671.9,671.3],[721.9,670.4],[763.5,670.4],[697.9,722.2],[738.0,719.4],[768.2,731.5]],"negative_points":[[737.0,564.8],[640.6,688.9],[833.3,698.1],[734.4,787.0]],"evidence":"目标是仪表下方深蓝色的两行“Pay-Per Unit Models”文字。边界框紧贴完整文字块，包含行间空隙，但不包含仪表或连接线。六个正点分布在两行文字的字形笔画上；负点位于上方仪表及文字左侧、右侧和下方的外部背景。"}},{"name":"Dollar coin","description":"Standalone orange circular coin with a yellow rim and dollar sign, presented centrally after the meter exits.","membership":"Include the coin boundary, face, and dollar sign. Exclude the horizontal line, orbiting dots, and curved decorative strokes.","id":"obj_043","temporal":{"status":"found","start_s":27.0,"end_s":27.75,"reference_s":27.25,"evidence":"目标是仪表退出后居中的橙色圆形硬币，具有黄色外圈和美元符号，不含横线及周围装饰。首个合格帧为27.00秒，最后为27.50秒；此前26.75秒硬币仍在淡入，且有仪表残余，之后27.75秒硬币已消失并变为散开的圆点与线条。选择27.25秒作为关键帧，硬币正面完整清晰、无遮挡。","start_frame":648,"end_frame":666,"reference_frame":654},"grounding":{"status":"found","bbox_xyxy":[452.6,408.3,552.1,590.0],"positive_points":[[502.1,415.7],[468.2,484.3],[500.0,493.5],[537.0,498.1],[512.0,554.6],[492.2,579.6]],"negative_points":[[385.4,487.0],[520.8,365.7],[496.9,669.4],[572.9,518.5]],"evidence":"目标是画面中央带黄色外缘和美元符号的橙色圆形硬币。边界框紧贴整枚硬币，包含外缘、币面及美元符号；六个正点分布于这些部分，负点位于左侧横线、上下方装饰圆点及右侧外部背景。"}},{"name":"Deferred EPC model bubble","description":"Large pale cyan bubble at the left of the final model overview, containing “Deferred EPC Assest Ownership Model”.","membership":"Include the complete circular surface and enclosed three-line text, preserving the bubble's visible outline. Exclude neighboring bubbles and floating particles.","id":"obj_044","temporal":{"status":"found","start_s":28.0,"end_s":29.0,"reference_s":28.75,"evidence":"目标是最终方案概览中含“Deferred EPC / Assest Ownership / Model”三行文字的浅青色圆形气泡。28.00秒首次完整呈现，随后移动、放大，至最后采样帧28.75秒仍完整可见；前一帧27.75秒尚未完整显现该气泡及文字。区间延续至视频末尾29.00秒，无后续帧。选择28.75秒，因气泡位于左侧，文字清晰且无遮挡。","start_frame":672,"end_frame":696,"reference_frame":690},"grounding":{"status":"found","bbox_xyxy":[115,312,305,648],"positive_points":[[209,362],[149,415],[268,425],[207,491],[172,569],[249,582]],"negative_points":[[78,481],[329,440],[353,554],[397,782]],"evidence":"目标是画面左侧包含“Deferred EPC Assest Ownership Model”三行文字的浅青色圆形气泡。边界框紧贴完整圆面及其可见轮廓；六个正点分布于圆面不同区域和文字上，四个负点位于外部背景、右侧小颗粒及下方蓝色气泡上。"}},{"name":"Virtual PPAs bubble","description":"Orange-to-pink circular bubble initially near the upper center of the final overview, containing white “Virtual PPAs” text.","membership":"Include the circular surface, boundary, and enclosed text. Exclude external orbit curves and dots.","id":"obj_045","temporal":{"status":"found","start_s":28.25,"end_s":29.0,"reference_s":28.5,"evidence":"目标是最终概览上方含白色“Virtual PPAs”文字的橙粉渐变圆形气泡，不包括外部轨道和圆点。28.25秒首次完整清晰呈现，28.0秒对应气泡仍处于淡入、未完整显现状态。最后一个合格帧为28.75秒，目标持续完整可见；区间延伸至29.0秒视频结束，无后续帧。选择28.5秒作为关键帧，圆形边界及文字清晰，且无遮挡。","start_frame":678,"end_frame":696,"reference_frame":684},"grounding":{"status":"found","bbox_xyxy":[359,23,484,245],"positive_points":[[402,57],[451,80],[470,149],[434,213],[381,181],[392,130]],"negative_points":[[335,119],[509,144],[424,280],[568,307]],"evidence":"目标是画面上方偏中央、内含白色“Virtual PPAs”文字的橙粉渐变圆形气泡。边界框紧贴完整圆面，包含圆周和文字；六个正点分散在圆面及文字区域，四个负点位于圆外背景和右下方独立浅蓝圆点上，排除外部装饰。"}},{"name":"Inter-State Solutions bubble","description":"Dark blue circular bubble initially left of center, moving toward the lower left, with white “Inter-State Solutions” text.","membership":"Include the complete circle and both lines of text. Exclude adjacent orange spheres and external curves.","id":"obj_046","temporal":{"status":"found","start_s":28.25,"end_s":29.0,"reference_s":28.75,"evidence":"目标是带白色两行“Inter-State Solutions”文字的深蓝色圆形气泡，不含旁边橙色球体及外部曲线。首个完整呈现帧为28.25秒，前一帧28.00秒尚未出现该完整气泡；此后向左下方移动，最后合格帧为28.75秒。区间延伸至视频末尾29.00秒，无后续采样帧。选择28.75秒作为关键帧，因为圆形边界和两行文字清晰且无遮挡。","start_frame":678,"end_frame":696,"reference_frame":690},"grounding":{"status":"found","bbox_xyxy":[328.1,663.0,466.7,907.4],"positive_points":[[373,702],[429,738],[345,777],[396,802],[443,838],[393,885]],"negative_points":[[352,554],[303,780],[495,815],[660,758]],"evidence":"目标是画面下方偏左、写有白色两行“Inter-State Solutions”的深蓝色圆形气泡。边界框紧贴完整圆形，包含内部文字；六个正点分布在圆内不同区域，四个负点位于邻近橙色小球、圆外背景及右侧绿色气泡上。"}},{"name":"Cash Neutral Group Captive bubble","description":"Large cyan circular bubble on the right of the final overview, containing dark blue “Cash Neutral Group Captive” text.","membership":"Include the circular surface, boundary, and complete enclosed text. Exclude neighboring bubbles, particles, and orbit paths.","id":"obj_047","temporal":{"status":"found","start_s":28.25,"end_s":29.0,"reference_s":28.75,"evidence":"目标是最终概览右侧的青色圆泡，内含深蓝色“Cash Neutral Group Captive”完整文字。选取其完整入镜后的连续出现：首帧为28.25秒，末帧为28.75秒；前一帧28.00秒圆泡仍被画面底边裁切。28.75秒圆形边界及文字清晰，与邻近圆泡容易区分，故选为关键帧。区间延续至视频结束，无后续帧。","start_frame":678,"end_frame":696,"reference_frame":690},"grounding":{"status":"found","bbox_xyxy":[704.2,141.7,894.3,478.7],"positive_points":[[795.8,203.7],[739.6,254.6],[765.6,338],[849,324.1],[770.8,421.3],[849,398.1]],"negative_points":[[677.1,259.3],[916.7,342.6],[713.5,694.4],[653.6,163.9]],"evidence":"目标是右上方含深蓝色“Cash Neutral Group Captive”文字的大型青色圆泡。边界框紧贴整个圆形表面及边缘，包含完整文字；六个正点分布在圆内表面和文字区域，四个负点位于圆外背景、下方绿色圆泡及左上方独立粒子上，排除相邻对象。"}},{"name":"Vanilla Group Captive bubble","description":"Large green circular bubble emerging from the bottom and settling toward the lower right, containing white “Vanilla Group Captive” text.","membership":"Include the full visible circular surface and enclosed text throughout its movement. Exclude external curves, dots, and other model bubbles.","id":"obj_048","temporal":{"status":"found","start_s":28.75,"end_s":29.0,"reference_s":28.75,"evidence":"目标是右下方绿色圆形气泡，内有白色“Vanilla Group Captive”文字。所选连续片段首末合格帧均为28.75秒，圆形表面和文字完整清晰；紧邻前帧28.50秒的气泡底部仍被画面下缘裁切。28.75秒适合作为空间标注关键帧。区间延续至视频29.0秒结束，无后续采样帧。","start_frame":690,"end_frame":696,"reference_frame":690},"grounding":{"status":"found","bbox_xyxy":[619.3,593.5,809.4,930.6],"positive_points":[[677.1,671.3],[755.2,671.3],[645.8,777.8],[781.3,791.7],[682.3,879.6],[744.8,865.7]],"negative_points":[[701.6,491.7],[582.8,831.5],[796.9,370.4],[843.8,833.3]],"evidence":"目标是右下方含白色“Vanilla Group Captive”文字的大型绿色圆形气泡。边界框紧贴完整可见圆面，包含内部文字；六个正点分散覆盖圆面各部，负点位于外部曲线、小圆点、上方其他气泡及右侧背景，排除这些非目标区域。"}}]}
+{"video_id":178,"video_type":"visual design and media animation","targets":[{"name":"Green gradient cloud panel","description":"A white-edged square panel initially at the upper left, shaded from bright green to yellow. It contains a white cloud and a pixelated rendition of the overlapping purple arch.","membership":"Include the panel surface, white boundary, and imagery displayed within it. Exclude portions of the arch outside the panel and the surrounding white background.","id":"obj_001","temporal":{"status":"found","start_s":0.25,"end_s":8.5,"reference_s":2.5,"evidence":"目标是左上方带白色边框的绿黄渐变方形面板，内有白云及紫色拱门的像素化图像。首���完整呈现帧为0.25秒；此前0秒面板尚未完成展开。最后符合条件的帧为8.25秒，8.5秒面板已开始收窄、遮罩移除，8.75秒消失。选择2.5秒作为关键帧，此时面板轮廓完整，内部白云和像素化拱门清晰可辨。","start_frame":6,"end_frame":204,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[108.3,204.6,376.9,473.1],"positive_points":[[137,223],[201,255],[350,234],[227,358],[140,446],[351,418]],"negative_points":[[83,333],[247,174],[475,534],[217,571]],"evidence":"目标为左上方带白色边框的绿黄渐变方形面板，内有白云及像素化紫色拱门。边界框覆盖面板表面、白边和内部图像；正点分布于渐变区域、白云及面板内的紫色图像，负点位于面板外的背景和外部紫色拱门上。"}},{"name":"Purple arch","description":"A tall inverted-U architectural graphic near the center-left, with a lavender front face, deep-purple sides, and an open passage. It later shortens and shifts left.","membership":"Include both uprights, the curved connecting top, and their shaded side faces. Follow the open-bottom outline; exclude the passage, background shadows, and independently overlapping objects.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":10.5,"reference_s":9.75,"evidence":"目标是中央偏左具有浅紫正面、深紫侧面和开放通道的倒U形拱门，随后缩短并左移。首个合格帧为0.00秒，拱门结构已完整；视频起点之前无采样帧。最后合格帧为10.25秒，虽被独立的铅笔部分遮挡，仍保留完整拱形；紧邻的10.50秒已被高楼造型替代，不再保留该拱门。选择9.75秒作关键帧，此时两侧立柱及弧顶清晰、遮挡很少。","start_frame":0,"end_frame":252,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[185,354,411,769],"positive_points":[[214,689],[191,525],[274,371],[375,413],[389,593],[359,721]],"negative_points":[[110,572],[477,558],[668,497],[81,712]],"evidence":"目标是画面中左侧高大的紫色倒U形拱门。边界框紧贴两根立柱、顶部弧形连接及深紫色侧面；正点分布于这些实体表面。负点位于拱门外部背景、右侧独立紫色梯形及左下黄色圆形上，未标记拱门内的通道。"}},{"name":"Angular flame cluster","description":"A cluster of pointed yellow and orange flame-like shapes along the lower left, eventually gathered at the foot of the arch.","membership":"Include the connected and closely grouped yellow-orange flame shapes and their internal color facets. Exclude the arch, yellow ball, and background.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":9.5,"reference_s":3.5,"evidence":"目标是左下方由黄色、橙色尖角及其内部色面组成的火焰簇，随后聚集在紫色拱门脚下。首个合格帧为0.00秒，形状已完整建立；视频起点之前没有采样帧。最后合格帧为9.25秒，火焰簇仍在拱门底部可见，9.50秒已消失。选择3.50秒作为关键帧，火焰轮廓清晰，未被黄色球遮挡。","start_frame":0,"end_frame":228,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[268.5,670.4,457.4,768.5],"positive_points":[[290.7,721.3],[317.6,753.7],[343.5,709.3],[378.7,748.1],[407.4,755.6],[437,731.5]],"negative_points":[[309,602],[590,574],[245,731],[667,720]],"evidence":"目标是拱门左下脚处成簇的尖角黄橙色火焰。边界框紧贴整簇火焰的可见范围，包含内部黄色与橙色切面；六个正点分布在各尖角及底部色面上，负点位于紫色拱门、黄色球、左侧背景和右侧台阶上。"}},{"name":"Small purple house","description":"A small house initially at the lower right, with a purple pitched roof, lavender walls, dark arched doorway, and two windows, one glowing yellow. It later shifts toward the center.","membership":"Include the complete house silhouette, roof edges, walls, doorway, and windows. Exclude the foreground staircase, ball, and background shadow.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":10.25,"reference_s":10,"evidence":"目标是右下方具有紫色尖顶、淡紫墙体、深色拱门及两扇窗（其中一扇发黄光）的小屋，随后移向中央。0.00秒已可见完整屋顶和墙体结构，部分被黄色球遮挡；此前没有采样帧。最后符合的帧为10.00秒，紧邻的10.25秒尖屋顶已消失，小屋开始变形为高楼。选择10.00秒作为关键帧，此时前景楼梯已移开，小屋轮廓、门窗清楚可辨。","start_frame":0,"end_frame":246,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[577,603,715,768],"positive_points":[[615,643],[654,632],[628,680],[676,679],[652,742],[695,738]],"negative_points":[[697,509],[377,641],[851,680],[648,815]],"evidence":"目标是画面右下方带紫色尖屋顶、淡紫墙面、深色拱门和两扇窗的小房子，其中左窗发黄光。边界框紧贴可见屋顶、墙体及底边；正点覆盖屋顶、两窗、门和墙面，负点位于上方紫色遮挡物、左侧拱形物、右侧背景阴影及房屋下方空白处。"}},{"name":"Bouncing yellow ball","description":"A large solid-yellow ball initially flattened in front of the house. It repeatedly travels across the composition, stretching into ovals and capsules and returning to a circular shape.","membership":"Include the entire yellow silhouette through its squash-and-stretch changes. Exclude supporting objects, motion-related fragments, and the separate small colored dots.","id":"obj_005","temporal":{"status":"found","start_s":0.0,"end_s":6.0,"reference_s":1.0,"evidence":"目标是最初压扁在房屋前方的大块纯黄色球体，随后连续弹跳并变成圆形、椭圆和胶囊状。首个合格帧为0.00秒，此时轮廓已完整；最后合格帧为5.75秒。紧随其后的6.00秒帧中，球体向上运动并被画面上边界裁切，因此结束这次连续出现。起点之前没有采样帧。选择1.00秒为关键帧，球体呈清晰圆形，与房屋及台阶分离，无遮挡。","start_frame":0,"end_frame":144,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[629,435,747,554],"positive_points":[[685,453],[653,477],[717,478],[650,507],[693,533],[727,512]],"negative_points":[[762,414],[800,623],[538,497],[392,741]],"evidence":"目标是房屋上方、紫色拱门右侧的实心黄色圆球。边界框紧贴完整黄色轮廓，六个正点分布在球体内部各处；负点位于外部浅灰背景、屋顶、紫色拱门和底部火焰状装饰上，排除这些非目标内容。"}},{"name":"Purple descending staircase","description":"A short flight of broad purple-gradient steps in front of the house, descending toward the right. A yellow checkerboard pattern develops on its left supporting face.","membership":"Include all connected steps, their risers and supporting faces, and the yellow checkerboard decoration. Follow the stepped outline and exclude the house, ball, and objects resting above it.","id":"obj_006","temporal":{"status":"found","start_s":0.5,"end_s":9.75,"reference_s":3.5,"evidence":"目标是房屋前方朝右下降的紫色宽台阶，包含相连的立面、支撑面及后来出现的黄色棋盘格。首个合格帧为0.50秒，台阶轮廓已完整；前一帧0.25秒仅出现部分台阶，仍在构建。最后合格帧为9.50秒，完整梯级仍可见；9.75秒台阶已开始收缩消失，轮廓不再完整。选择3.50秒作关键帧，台阶及黄色棋盘格清晰，房屋和上方黄球容易区分。","start_frame":12,"end_frame":234,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[503,638,798,769],"positive_points":[[520,651],[626,655],[675,688],[710,719],[757,754],[554,742]],"negative_points":[[592,579],[864,717],[478,633],[714,809]],"evidence":"目标是房屋前向右逐级降低的紫色渐变楼梯。边界框覆盖所有可见台阶、立面、左侧支撑面及黄色棋盘装饰；正点分布于各级台阶和支撑装饰上，负点位于黄色球、房屋、紫色拱门及楼梯下方的外部白色背景。"}},{"name":"Purple flower vase","description":"A purple vessel appearing above the staircase, first with wavy sides and then with a tapered body. Brown stems carry changing red and yellow abstract flowers; the arrangement later stands on the right beside a pencil and bowl.","membership":"Include the vase body and its attached stems, blossoms, and buds as one floral arrangement. Follow the separate stem and flower outlines without filling the spaces between them. Exclude the overlaid gradient panel and detached transition fragments.","id":"obj_007","temporal":{"status":"found","start_s":6.5,"end_s":19.75,"reference_s":13.0,"evidence":"目标是紫色花瓶及其相连的棕色花茎、红黄花朵和花苞，不包括覆盖的渐变面板。6.50秒首次完整呈现花艺组合；前一帧6.25秒仍在增加和展开花茎花朵。随后瓶身由波浪形变为锥形，并移至铅笔和碗旁，保持同一对象的连续变化。最后合格帧为19.50秒，19.75秒花瓶消失、花茎和花朵散成碎片。选择13.00秒作为关键帧，此时右侧花瓶和各条花茎轮廓清楚，遮挡很少。","start_frame":156,"end_frame":474,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[560,190,916,769],"positive_points":[[718,597],[756,735],[719,486],[642,406],[798,274],[855,447]],"negative_points":[[577,678],[483,723],[597,500],[878,666]],"evidence":"目标为右侧紫色花瓶及其相连的棕色花茎、红色花朵和黄色花蕾。边界框覆盖整组花艺，从左侧黄色小花蕾到右侧花瓣、从最高红色花穗到瓶底。正点分布于瓶身、花茎和三处红色花形；负点位于铅笔、碗、紫色菱形及瓶外背景，排除独立物件和花艺之外的区域。"}},{"name":"Small gradient panel over the vase","description":"A small white-bordered color panel appearing over the upper portion of the wavy vase, combining red, orange, yellow, and green with transformed imagery of the object beneath.","membership":"Include the panel boundary, surface, and imagery within its enclosed area. Exclude the surrounding portions of the vase, flowers, and arch.","id":"obj_008","temporal":{"status":"found","start_s":6.0,"end_s":9.25,"reference_s":7.25,"evidence":"目标是覆盖波浪形紫色花瓶上部的白边彩色小面板，内部有红、橙、黄、绿渐变及花瓶的变形影像。6.00秒首次具有完整边界和表面，5.75秒尚未出现；9.00秒虽尺寸变化但面板仍完整，9.25秒已消失，因此最后纳入9.00秒。选择7.25秒作为关键帧，面板边界清晰、遮挡少，易于与周围花瓶及花朵区分。","start_frame":144,"end_frame":222,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[590,417,715,542],"positive_points":[[605,435],[675,434],[702,467],[696,528],[647,508],[605,482]],"negative_points":[[555,519],[629,578],[730,397],[490,326]],"evidence":"目标是覆盖在波浪形花瓶上部的白边小方形渐变面板。边界框紧贴面板外缘，包含白色边框及内部红、橙、黄、绿色表面和变换图像。六个正点分散在面板内部；四个负点分别位于面板外的花瓶左侧、下方、黄色花头及紫色拱形上。"}},{"name":"Purple pencil","description":"An oversized purple pencil with a black pointed tip, faceted gradient shaft, purple end band, and pale-yellow eraser. It first swings above the arch and later lies diagonally across the foreground.","membership":"Include the point, shaft, band, and eraser while they form the identifiable pencil. Exclude the ball, bowl, and brief detached fragments during its breakup.","id":"obj_009","temporal":{"status":"found","start_s":10.25,"end_s":15.75,"reference_s":10.5,"evidence":"目标是带黑色尖端、紫色棱面渐变笔杆、紫色尾环和淡黄色橡皮的巨大铅笔。首个合格帧为10.25秒，铅笔结构已完整，尖端暂被黄球遮挡；前一帧10.00秒尚无铅笔。最后合格帧为15.50秒，整支笔仍斜置于前景；15.75秒开始断裂为分离碎片，因此排除。选择10.50秒作为关键帧，整支铅笔悬空倾斜，轮廓及各组成部分清晰、遮挡最少。","start_frame":246,"end_frame":378,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[293.5,275.9,539,459.3],"positive_points":[[299,282],[327,301],[382,342],[454,399],[507,430],[522,442]],"negative_points":[[365,120],[350,550],[570,330],[735,650]],"evidence":"目标是画面上部斜跨紫色建筑的铅笔，黑色尖端朝左上、浅黄色橡皮朝右下。边界框紧贴完整笔尖、渐变笔杆、紫色端环和橡皮；六个正点分布在这些部件上，负点位于黄色圆球、建筑、右侧紫色物体及外部白色背景。"}},{"name":"Tall purple building","description":"A narrow multistory building on the left, with a flat projecting roof, paired dark and illuminated windows, and a dark arched entrance.","membership":"Include the building body, shaded side, roof slab, windows, and entrance. Exclude its pale background shadow, nearby dots, and overlapping independent graphics.","id":"obj_010","temporal":{"status":"found","start_s":10.75,"end_s":14.5,"reference_s":11.0,"evidence":"目标是左侧带外挑平屋顶、成对明暗窗户和深色拱门的紫色多层窄楼。10.75秒首次完整呈现，前一帧10.50秒仍在增高成形，屋顶板和楼层尚未齐备。最后符合条件的是14.25秒；14.50秒楼体已开始收去上部楼层，窗户数量减少，随后消失。选择11.00秒作为关键帧，楼体、侧面、屋顶及门窗清楚，基本无遮挡。","start_frame":258,"end_frame":348,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[162,259.3,379.6,768.5],"positive_points":[[270,267],[337,505],[237,580],[213,331],[267,514],[240,719]],"negative_points":[[115,752],[480,700],[145,450],[471,481]],"evidence":"目标是左侧带平伸屋顶、成对明暗窗户及拱形入口的紫色高楼。边界框紧贴屋顶和楼体的可见外缘，涵盖深色侧面、窗户与入口。正点分布于这些建筑组成部分；负点位于楼外白色背景、左下红点、斜放铅笔和右侧黄色图形，均不属于建筑。"}},{"name":"Small purple pot","description":"A low purple vessel in the foreground beside the pencil and larger flower vase. It initially has a squat, irregular neck and later becomes a faceted pot containing orange-yellow leaf-like forms.","membership":"Include the complete vessel surface and any contents projecting from its mouth. Exclude the neighboring large vase, pencil, bowl, and background shadow.","id":"obj_011","temporal":{"status":"found","start_s":16.75,"end_s":23.0,"reference_s":18.5,"evidence":"目标是大花瓶左前方的矮小紫色多面 pot，包含口部伸出的橙黄色叶状物，不含大花瓶或阶梯。选取其后段连续出现：16.75 秒容器及叶状物已完整呈现，前一帧 16.50 秒该位置未见完整小盆；此后持续可见至最后采样帧 22.75 秒，因此结束时间为 23.0 秒，视频末尾之后无相邻帧。18.50 秒小盆轮廓和内容物清晰，与邻近大花瓶容易区分，适合作为标注关键帧。","start_frame":402,"end_frame":552,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[612,620,711,769],"positive_points":[[660,640],[643,652],[679,659],[661,684],[632,723],[662,752]],"negative_points":[[755,684],[574,634],[611,647],[831,708]],"evidence":"目标是大花瓶左前方的矮小紫色棱面盆，盆口伸出橙黄色叶状物。边界框覆盖完整盆身及其内容物；正点分布在叶状物、盆颈、盆腹和底部，负点位于邻近大花瓶、黄色物体及外部背景和阴影处。"}},{"name":"Purple semicircular bowl","description":"A broad purple-gradient bowl in the lower center, behind the diagonal pencil. It rocks beneath the yellow ball and later lifts and rotates away.","membership":"Include the complete semicircular body and its visible shaded surfaces. Exclude the ball, pencil, diamond frame, and background.","id":"obj_012","temporal":{"status":"found","start_s":11.25,"end_s":16.5,"reference_s":15.0,"evidence":"目标是黄色球下方、斜放铅笔后方的紫色渐变半圆碗，不包括球、铅笔和菱形框。11.25秒首次可见完整的小型半圆碗体，部分被球和铅笔遮挡；11.00秒尚未出现。随后碗体放大、摇摆并升起旋转，16.25秒仍完整可见，16.50秒已消失。选择15.00秒作为关键帧，碗的宽阔半圆轮廓和渐变表面清楚，且没有菱形框遮挡。","start_frame":270,"end_frame":396,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[357,591,657,769],"positive_points":[[379,623],[400,674],[463,647],[531,647],[490,749],[647,661]],"negative_points":[[484,547],[493,706],[731,683],[325,671]],"evidence":"目标是黄球下方、斜放铅笔后面的紫色渐变半圆碗。边界框覆盖碗体及其可见的浅紫色底部和右侧表面。正点分布于碗的左侧、中央、下沿及右端；负点位于黄球、铅笔、右侧花瓶和碗外背景，排除这些非目标内容。"}},{"name":"Gradient panel over the bowl and frame","description":"A white-bordered gradient panel appearing near the center-left of the bowl arrangement, growing from a shallow rectangle into a square. It displays green-yellow fields and recolored portions of the overlapping diamond graphic.","membership":"Include its boundary, colored surface, and all imagery enclosed by the panel. Exclude portions of the bowl, building, and diamond outside that boundary.","id":"obj_013","temporal":{"status":"found","start_s":11.5,"end_s":14.5,"reference_s":12.0,"evidence":"目标是碗与菱形图案前方的白边渐变面板，包含绿黄色表面及边界内被重新着色的菱形部分。11.50秒首次出现完整边界的浅矩形，随后扩展成方形；11.25秒尚未出现。最后 qualifying 帧为14.25秒，面板虽移动、缩窄但仍完整可见，14.50秒已消失。选择12.00秒，面板边界与内部图像清晰，便于空间标注。","start_frame":276,"end_frame":348,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[320.4,491.7,495.4,665.7],"positive_points":[[338,513],[377,575],[469,510],[440,558],[470,603],[412,644]],"negative_points":[[279,548],[569,515],[540,645],[370,452]],"evidence":"目标是画面中部偏左、叠在碗和菱形前方的白边渐变方形面板。边界框紧贴白色外框，包含框内绿黄色表面及被框住的菱形、碗部图像。正点分布于面板内不同颜色区域；负点位于框外的建筑、菱形、碗和空白背景上。"}},{"name":"Purple diamond frame","description":"A thick, hollow purple square rotated into a diamond above the bowl, with lavender highlights and a white central opening.","membership":"Include the frame's outer boundary and the area enclosed by it, including its central opening. Exclude independent objects extending beyond its outer outline.","id":"obj_014","temporal":{"status":"found","start_s":11.5,"end_s":14.5,"reference_s":13.0,"evidence":"目标是碗上方带淡紫高光、中央中空的紫色菱形方框。11.50秒首次出现完整的小型闭合方框，随后放大、转动仍属同一对象；14.25秒为最后一个完整可见帧。相邻的11.25秒尚无方框，14.50秒方框已消失。选择13.00秒作为关键帧，此时方框较大，外轮廓与中央开口清晰，便于标注。","start_frame":276,"end_frame":348,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[357,381,635,620],"positive_points":[[468,405],[568,460],[614,499],[541,574],[509,502],[447,559]],"negative_points":[[280,500],[465,671],[480,319],[733,640]],"evidence":"目标是碗上方带浅紫高光的粗菱形框，左下部分透过彩色叠层可见。边界框覆盖其可见外轮廓及中央开口，不包含外伸的白色选框、碗等独立对象。正点分布于框的各段及按要求纳入的中央开口；负点位于左侧建筑、下方碗、上方黄圆和右侧花瓶。"}},{"name":"Double-sided stepped bridge","description":"A low, symmetrical purple stair structure that appears across the lower left after the bowl arrangement. Steps rise from both ends to a central crest over a triangular opening; individual faces include green and yellow-orange accents.","membership":"Include both connected stair flights, their shaded faces, and the central supporting structure. Follow the stepped perimeter and exclude the open triangular passage beneath, nearby dots, and objects placed on top.","id":"obj_015","temporal":{"status":"found","start_s":16.25,"end_s":23.0,"reference_s":17.5,"evidence":"目标是下方左右两侧向中央升高的紫色阶梯桥，带绿色、黄橙色阶面及中央三角形通道。16.25秒首次呈现完整的两侧阶梯与支撑结构；此前16.00秒右侧末端阶梯仍在展开。最后合格帧为22.75秒，桥仍完整存在，区间延至视频末尾23.00秒，无后续采样帧。选择17.50秒为关键帧，桥的轮廓及三角形开口清晰，上方黄色球未遮挡桥体。","start_frame":390,"end_frame":552,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[62,611,597,769],"positive_points":[[116,750],[158,710],[239,630],[330,632],[478,667],[536,750]],"negative_points":[[290,755],[572,602],[659,728],[88,654]],"evidence":"目标是左下方跨越三角形通道的双向紫色阶梯桥。边界框覆盖两侧阶梯、彩色阶面和中央支撑；正点分布在左右底阶、黄橙色与绿色阶面及顶部连接处。负点位于排除的绿色圆点、后方黄色容器、右侧小花盆和桥外白色背景，未在三角通道空隙内放置负点。"}},{"name":"Yellow gridded pedestal","description":"A tall yellow tapered column with an orange square grid, standing between the double staircase and the small purple pot. It later supports an alarm clock.","membership":"Include the tapered yellow body, its top edge, and the grid pattern. Exclude the separately presented clock, staircase, and adjacent vessels.","id":"obj_016","temporal":{"status":"found","start_s":17.25,"end_s":23.0,"reference_s":17.5,"evidence":"目标是双向阶梯与小紫色花盆之间、带橙色方格的黄色锥台状立柱，后来承托闹钟。17.25秒首次显示完整柱身、顶边和网格；此前17.00秒仅露出底部一小段，尚未完成出现。最后合格帧为22.75秒，目标仍完整存在，因此区间延至视频末尾23.00秒，之后无采样帧。选择17.50秒作为关键帧，柱体轮廓和网格清楚，且尚无闹钟遮挡。","start_frame":414,"end_frame":552,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[511,554,628,769],"positive_points":[[528,563],[610,570],[538,613],[588,652],[589,712],[602,738]],"negative_points":[[508,709],[663,721],[744,657],[569,520]],"evidence":"目标是双阶梯与小紫盆之间带橙色方格的黄色渐窄立柱。边界框覆盖其可见黄色主体、顶边及网格，包括右下方露出的窄条。正点分布在顶部、中部和下部可见区域；负点位于阶梯、小紫盆、大紫花瓶及柱体上方背景，排除这些相邻对象。"}},{"name":"Stacked rounded purple vase","description":"A three-tier form made of broad rounded purple lobes, first appearing separated above the stepped bridge and then stacked into a vase. Abstract red flowers and brown stems emerge from its top.","membership":"Include the three rounded tiers and the attached floral contents once present. Follow each tier and the stems and blossoms without filling exterior gaps. Exclude the staircase and the overlaid gradient panel.","id":"obj_017","temporal":{"status":"found","start_s":19.25,"end_s":23.0,"reference_s":20.5,"evidence":"目标为三层宽圆角紫色瓣体组成的花瓶，随后顶部出现棕色花茎和抽象红花。19.25秒三层自身结构已完整，虽倾斜、分离并继续运动仍符合；前一帧19.0秒尚无该花瓶。此后连续可见至最后采样帧22.75秒，视频在23.0秒结束，无后续帧。选择20.5秒，三层瓶身及附着花枝清晰，遮挡较少，便于排除下方阶梯和渐变面板。","start_frame":462,"end_frame":552,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[100,147,448,613],"positive_points":[[334,404],[330,487],[337,572],[183,264],[332,268],[405,233]],"negative_points":[[184,631],[464,671],[559,479],[188,386]],"evidence":"目标是左侧由三层紫色圆润横向瓣体叠成的花瓶，顶部伸出棕色枝茎、红色花朵及黄色端点。框覆盖全部三层瓶体和花枝；正点分布于各层、枝茎及花朵，负点位于下方阶梯、渐变面板、右侧时钟及左侧外部背景，排除这些非目标区域。"}},{"name":"Purple alarm clock","description":"A round alarm clock on the yellow gridded pedestal, with a white dial, black hands and hour marks, purple rim and feet, and two yellow bells.","membership":"Include the complete clock body, enclosed dial, hands, markings, bells, and feet. Exclude the pedestal and graphics above or beside it.","id":"obj_018","temporal":{"status":"found","start_s":20.25,"end_s":23.0,"reference_s":22.5,"evidence":"目标是黄色网格底座上方的紫色圆形闹钟，具有白色表盘、黑色指针和刻度、两个黄色铃铛及紫色支脚。20.25秒首次完整出现，虽然较小且倾斜，但各部分已齐全；��一帧20.00秒尚无闹钟。此后持续可见，最后合格帧为22.75秒，视频于23.0秒结束，无后续帧。选择22.5秒作为关键帧，闹钟正面清楚、结构完整且无遮挡。","start_frame":486,"end_frame":552,"reference_frame":540},"grounding":{"status":"found","bbox_xyxy":[500.9,400.9,628.7,551.9],"positive_points":[[531.5,416.7],[598.1,414.8],[546.3,475],[615.7,486.1],[524.1,541.7],[610.2,538.9]],"negative_points":[[566.7,581.5],[691.7,496.3],[486.1,363.9],[460.2,463.9]],"evidence":"目标是黄色网格 pedestal 上的紫色圆形闹钟。边界框覆盖两枚黄色铃、紫色外框、完整白色表盘及双脚，不包含底座。六个正点分布在双铃、表盘、外框和双脚；负点位于黄色底座、右侧紫色图形、上方绿色图板及左侧外部白色背景。"}},{"name":"Curling purple ribbon","description":"A broad lavender-to-purple strip rising at the lower right beside the clock. Its upper section curls into a loop as the yellow ball moves around it.","membership":"Include the ribbon's visible band and shaded surfaces, following its changing curved outline. Keep open gaps between its turns excluded, and exclude the ball, green ring, and background.","id":"obj_019","temporal":{"status":"found","start_s":20.25,"end_s":23.0,"reference_s":21.5,"evidence":"目标是时钟右侧、由地面升起并逐渐卷成环的宽幅淡紫至深紫色带，不包括黄球和绿色圆环。20.00秒仅见初始露出的短小浅色段；20.25秒已形成完整连续带状轮廓，随后伸长、弯曲和卷绕均保留。最后合格帧为22.75秒，视频至23.00秒结束，无后续帧。选择21.50秒作为关键帧，卷环及下方带身清楚，黄球位于上方，遮挡较少。","start_frame":486,"end_frame":552,"reference_frame":516},"grounding":{"status":"found","bbox_xyxy":[648,434,852,769],"positive_points":[[688,526],[752,463],[825,521],[760,538],[775,632],[753,737]],"negative_points":[[730,402],[802,397],[558,485],[892,671]],"evidence":"目标是时钟右侧、黄色球下方的紫色卷曲宽带。边界框紧贴上部卷环及向下延伸至底部的浅紫带身；六个正点分布在卷环、内侧带端和下垂带面上。负点位于黄色球、绿色环、时钟及右侧外部背景，未放入卷环空隙。"}},{"name":"Gradient panel over the stacked vase flowers","description":"A white-edged green-to-yellow rectangular panel near the top-right of the stacked vase, showing recolored portions of two trumpet-like flowers and their stems.","membership":"Include the panel surface, boundary, and imagery within its enclosed area. Exclude the flower arrangement and vase portions outside the panel.","id":"obj_020","temporal":{"status":"found","start_s":20.5,"end_s":23.0,"reference_s":22.5,"evidence":"目标是堆叠紫色花瓶右上方的白边绿黄渐变矩形面板，随后框内显现两朵喇叭状花及花茎的变色影像。20.50秒面板虽较窄，但表面和边界已完整可见；20.25秒尚未出现。此后面板变宽并移动，持续至最后采样帧22.75秒，视频末端无后续帧。选择22.50秒作为关键帧，面板轮廓清晰，框内花朵影像明确。","start_frame":492,"end_frame":552,"reference_frame":540},"grounding":{"status":"found","bbox_xyxy":[359,213,533,389],"positive_points":[[380,231],[507,231],[427,256],[473,296],[382,359],[510,364]],"negative_points":[[171,278],[306,472],[565,231],[564,480]],"evidence":"目标是叠层花瓶右上方带白色边框的绿黄渐变矩形面板，内部显示两朵喇叭状花及花茎。边界框紧贴整个面板，包含表面、白边和内部图像。六个正点分布在渐变表面及花朵图像上；负点位于面板外的红花、紫色花瓶、右侧空白和闹钟上。"}},{"name":"Green floating ring","description":"A bright green-to-yellow elliptical ring that forms around the yellow ball above the curled purple ribbon, with several small luminous square details on its band.","membership":"Include the ring's outer boundary and the area it encloses, together with the square details on its surface. Exclude the purple supporting ribbon and any ball portion extending beyond the ring's outer boundary.","id":"obj_021","temporal":{"status":"found","start_s":22.0,"end_s":23.0,"reference_s":22.5,"evidence":"目标是卷曲紫色 ribbon 上方、环绕黄色球的绿到黄渐变椭圆环，环带上有发光小方块。22.00 秒首次完整成形；此前 21.75 秒仅显现尚未展开完整的弧形环带。最后 qualifying 帧为 22.75 秒，环仍完整可见，因此区间延至视频结尾 23.00 秒，之后无采样帧。选择 22.50 秒，环的轮廓、包围区域和方块细节清楚，便于与黄色球及紫色支撑区分。","start_frame":528,"end_frame":552,"reference_frame":540},"grounding":{"status":"found","bbox_xyxy":[545,276,902,379],"positive_points":[[573,333],[624,299],[697,356],[821,356],[868,313],[720,310]],"negative_points":[[721,260],[741,408],[930,323],[794,474]],"evidence":"目标是黄色球周围、紫色卷曲带上方的绿黄渐变椭圆环。边界框���贴环的外轮廓，包含其围合区域及表面的发光方块。正点分布在环带及轮廓内的球体区域；负点位于超出环上缘的黄色球部分、紫色支撑与卷带，以及右侧外部白色背景。"}}]}
+{"video_id":179,"video_type":"visual design and media animation","targets":[{"name":"“AN EVENT THAT” title","description":"Large, thin white uppercase title across the center, progressively revealed from “AN EVENT” and later broken apart by the transition.","membership":"Includes the letters forming this title throughout its reveal and disappearance. Excludes the surrounding colored tiles, rings, stripes, grid, and black background.","id":"obj_001","temporal":{"status":"found","start_s":0.5,"end_s":1.25,"reference_s":1.0,"evidence":"目标是画面中央的大号细体标题“AN EVENT THAT”，不含周围几何装饰。0.50秒首次完整显示，最后符合条件的帧为1.00秒；0.25秒的末词仍在揭示，1.25秒标题已开始被黑色遮罩切去局部，随后进一步解体。0.75秒虽反色为黑字，标题结构仍完整。选择1.00秒作为关键帧，文字完整清晰、易于标注。","start_frame":12,"end_frame":30,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[219.8,454.6,792.7,545.4],"positive_points":[[241,520],[305,498],[376,493],[534,504],[690,499],[775,512]],"negative_points":[[500,600],[500,400],[400,420],[850,530]],"evidence":"目标是画面中央完整的白色细体大写标题“AN EVENT THAT”。边界框紧贴整行文字的可见范围，包含字间空隙。六个正点分布于三个单词的实际字母笔画上；负点位于文字外的黑色背景及上方粉色块，避开字间空隙和字母内部。"}},{"name":"“COMBINES” title","description":"White uppercase word centered between the animated geometric patterns, replacing the opening title.","membership":"Includes the complete word “COMBINES”. Excludes detached transition letters, surrounding geometric motifs, and background.","id":"obj_002","temporal":{"status":"found","start_s":3.25,"end_s":5.5,"reference_s":3.5,"evidence":"目标为几何图案之间居中的白色大写完整单词“COMBINES”，不含两侧游离字母。首个合格帧为3.25秒，最后合格帧为5.25秒；此前3.00秒仍是未完成的乱序字母揭示，此后5.50秒标题已消失。选择3.50秒作为关键帧，因为完整单词清晰、无遮挡，且与周围图案和游离字母易于区分。","start_frame":78,"end_frame":132,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[372.9,452.8,637.0,522.2],"positive_points":[[377.1,487.0],[410.9,483.3],[446.4,481.5],[491.1,499.1],[583.3,486.1],[621.9,517.6]],"negative_points":[[7.8,484.3],[396.4,253.7],[510.4,560.2],[700.5,332.4]],"evidence":"目标是画面中央的白色大写标题“COMBINES”，边界框紧密覆盖完整单词及字间间隔。六个正点分布在不同字母的白色笔画上；负点位于左侧游离字母、上方红色圆环、右侧几何图案及标题下方外部黑色背景，不包含字内空洞或字间空隙。"}},{"name":"Upper-left colored “OPEN-AIR”","description":"Multicolored uppercase “OPEN-AIR” forming the first line of the upper-left pair in the resolved repeated-word layout. Small rings and striped patches decorate its letters.","membership":"Includes this word’s letters, hyphen, and integrated miniature geometric details. Follows the word as its letter spacing changes; excludes neighboring copies and unrelated overlaid tiles.","id":"obj_003","temporal":{"status":"found","start_s":7.0,"end_s":10.5,"reference_s":7.75,"evidence":"目标是重复排版中最上方一对的第一行彩色“OPEN-AIR”，包含字母上的小圆环和条纹，并随字距和位置变化持续跟踪。7.0秒文字结构已完整，局部仍被无关图块遮挡；前一帧6.75秒部分字母尚未揭示完整。最后合格帧为10.25秒，文字虽移动并被图块遮挡但仍连续存在；10.5秒已替换为“ELECTRONIC MUSIC”排版。选择7.75秒，目标位于左上方，字形完整清楚且无遮挡，易与下方副本区分。","start_frame":168,"end_frame":252,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[25.5,52.8,389.1,146.3],"positive_points":[[47.4,57.4],[106.3,59.3],[147.9,57.4],[186.5,118.5],[288.5,81.5],[369.3,58.3]],"negative_points":[[47.9,172.2],[146.9,171.3],[208.3,23.1],[416.7,97.2]],"evidence":"目标是左上方成对文字中的第一行彩色“OPEN-AIR”。边界框紧贴整行字母、连字符及其附属小圆环和条纹装饰。六个正点分布在该行不同字母的笔画上；负点位于下方相邻副本的字母及目标上方、右侧的外部黑色背景。"}},{"name":"Upper-left second “OPEN-AIR”","description":"The second line of the upper-left pair, initially large and white beneath the colored word, subsequently adopting the multicolored decorated style.","membership":"Includes this copy’s letters and hyphen, together with geometric details incorporated into the letters when its style changes. Excludes the first line and other copies.","id":"obj_004","temporal":{"status":"found","start_s":7.75,"end_s":10.0,"reference_s":8.5,"evidence":"目标是左上方双行“OPEN-AIR”的第二行，由上方彩色字下的白色文字转为带几何装饰的彩色文字。7.50秒该行末尾仍未完整显现；7.75秒首次完整呈现，持续至9.75秒。10.00秒紫色像素图形开始遮除该行右侧字母，进入退场转场。选择8.50秒作为关键帧，该行字母和连字符完整清晰，与第一行及其他副本容易区分。","start_frame":186,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[25.5,165.7,820.8,260.2],"positive_points":[[32.3,211.1],[164,173],[272,212],[387,213],[600,232],[810,241]],"negative_points":[[275,58],[600,117],[280,286],[901,212]],"evidence":"目标是左上方两行中的第二行“OPEN-AIR”。边界框覆盖该行全部字母、连字符及字母上的几何装饰，不包含上方第一行或下方其他副本。六个正点分布在该行不同字母的笔画及装饰上；负点位于第一行、下方副本和右侧外部黑色背景。"}},{"name":"Upper-right colored “OPEN-AIR”","description":"Multicolored decorated “OPEN-AIR” on the first line of the upper-right pair, staggered below the upper-left pair.","membership":"Includes this word’s letters, hyphen, and integrated ring and stripe details. Excludes its lower companion, other repeated words, and independent transition graphics.","id":"obj_005","temporal":{"status":"found","start_s":6.75,"end_s":10.5,"reference_s":7.75,"evidence":"目标是右上方错落排列的一对“OPEN-AIR”中的上行彩色装饰文字，包含字母上的小圆环与条纹。首个完整呈现帧为6.75秒；6.50秒仍有转场图形遮挡、文字揭示尚未完成。最后合格帧为10.25秒，文字虽随画面移动并产生模糊，仍保持完整；10.50秒已替换为“ELECTRONIC MUSIC”文字阵列。选择7.75秒作为关键帧，目标完整清晰，与下方伴随文字及其他重复文字容易区分。","start_frame":162,"end_frame":252,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[566.7,279.6,971.4,373.2],"positive_points":[[575,301.9],[650,285.2],[693,366.7],[744.8,350.9],[861.5,346.3],[937.5,361.1]],"negative_points":[[589.6,402.8],[700,485],[780,240],[985,330]],"evidence":"目标是右上方双行组合的第一行彩色“OPEN-AIR”。边界框紧贴整行字母、连字符及其环形和条纹装饰。六个正点分布在该行不同字母的可见笔画和装饰上；负点位于下方重复文字及目标上方、右侧的外部黑色背景。"}},{"name":"Upper-right second “OPEN-AIR”","description":"The lower word of the upper-right pair, first shown in white and later matching the colored decorated lettering above it.","membership":"Includes this copy’s letters and hyphen throughout the reveal and recoloring, including its integrated letter decorations. Excludes adjacent copies and background.","id":"obj_006","temporal":{"status":"found","start_s":7.75,"end_s":10.25,"reference_s":7.75,"evidence":"目标是右上方一对“OPEN-AIR”中的下行，包含随字母一起出现的装饰。7.50秒该行白色文字仍未完整显露；7.75秒首次成为完整的彩色装饰文字。此后随排版移动，最后 qualifying 帧为10.00秒，局部被前景紫色图形遮挡；10.25秒放大转场使该行文字被画面边界裁切。选择7.75秒作为关键帧，因为该行完整清楚，与上行及其他副本容易区分。","start_frame":186,"end_frame":246,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[566.67,397.22,970.83,490.74],"positive_points":[[587.5,401.85],[633.33,473.15],[703.65,401.85],[777.08,459.26],[852.08,446.3],[962.5,472.22]],"negative_points":[[690,324],[535,445],[800,565],[905,785]],"evidence":"目标是右上方两行“OPEN-AIR”中的下行。边界框紧贴整行字母、连字符及其内置装饰。六个正点分布在该行不同字母的可见笔画上；负点位于上方和右下方的其他副本，以及目标左侧、下方的外部黑色背景。"}},{"name":"Lower-left colored “OPEN-AIR”","description":"Multicolored decorated “OPEN-AIR” forming the first line of the lower-left pair.","membership":"Includes the letters, hyphen, and small geometric details attached to this word. Excludes the word beneath it and all other repeated copies.","id":"obj_007","temporal":{"status":"found","start_s":7.25,"end_s":10.25,"reference_s":7.75,"evidence":"目标是左下方一对文字中上行的彩色装饰“OPEN-AIR”，不包括下行及其他副本。7.00秒该行仍有字母被遮罩截断，7.25秒首次完整呈现；随后移动、拉伸仍属同一文字，最后合格帧为10.00秒。10.25秒画面放大倾斜，目标右端开始被画面边缘截断。选7.75秒作关键帧，此时整词及附属几何细节清晰，与下行分离。","start_frame":174,"end_frame":246,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[25.5,510.2,389.1,603.7],"positive_points":[[47.4,514.8],[103.65,516.67],[148.96,598.15],[186.46,550],[292.19,575],[381.25,587.96]],"negative_points":[[148.96,630.56],[148.96,171.3],[247.92,462.96],[427.08,561.11]],"evidence":"目标是左下方两行彩色“OPEN-AIR”中的第一行。边界框紧贴该行全部字母、连字符及附着的几何装饰，不包含下一行。六个正点分布于该行不同字母的笔画和装饰上；负点位于下方及上方的其他文字副本，以及目标上方和右侧的外部黑色背景。"}},{"name":"Lower-left second “OPEN-AIR”","description":"The second line of the lower-left pair, initially white beneath the colored word and subsequently recolored.","membership":"Includes this word’s letters, hyphen, and subsequently incorporated letter decorations. Excludes its upper companion and unrelated geometric overlays.","id":"obj_008","temporal":{"status":"found","start_s":7.75,"end_s":10.25,"reference_s":8.5,"evidence":"目标是下方左侧一对“OPEN-AIR”的第二行，由上方彩色词下面的白字演变为带装饰的彩色字。7.50秒该行仍未完整揭示，7.75秒首次完整呈现；之后随排版移动、变色和缩放，最后符合条件的帧为10.00秒。10.25秒放大后的该行右端受到画面边界裁切，故不纳入。选择8.50秒作为关键帧，此时整词清晰完整，与上方伴随行容易区分。","start_frame":186,"end_frame":246,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[25.5,625,820.8,718.5],"positive_points":[[46.4,630.6],[276,713],[403.6,688],[495.8,671.3],[599.5,690.7],[808.9,694.4]],"negative_points":[[46.9,516.7],[273.4,515.7],[160.9,746.3],[901,666.7]],"evidence":"目标是左下方两行 OPEN-AIR 中的第二行，即全图自上而下第六行。边界框覆盖该行全部字母、连字符及字母上的装饰。六个正点分布于 O、E、N、连字符、A 和 R 的可见笔画或装饰；负点位于上方伴随行、下方另一组文字及右侧外部背景。"}},{"name":"Lower-right colored “OPEN-AIR”","description":"Multicolored decorated “OPEN-AIR” forming the first line of the lowest right-hand pair.","membership":"Includes this copy’s letters, hyphen, and integrated miniature rings and stripes. Excludes the second line and neighboring text.","id":"obj_009","temporal":{"status":"found","start_s":6.5,"end_s":10.25,"reference_s":7.75,"evidence":"目标是最低一组右侧双行文字中的第一行彩色“OPEN-AIR”，包含字母上的微型圆环和条纹，不含下行。6.50秒首次完整呈现，之前6.25秒该行仍有未完成的遮罩揭示；随后虽移动、改变间距和颜色，仍是同一文字副本。最后合格帧为10.00秒，10.25秒放大转场使该行右端越出画面。选择7.75秒作为关键帧，此时目标完整清晰，位于右下方，与下行容易区分。","start_frame":156,"end_frame":246,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[566.67,740.74,971.35,834.26],"positive_points":[[587.5,745.37],[646.88,746.3],[690.1,813.89],[760.42,786.11],[861.98,807.41],[936.98,756.48]],"negative_points":[[587.5,859.26],[861.98,861.11],[536.46,787.04],[807.29,703.7]],"evidence":"目标是右下方最底部双行“OPEN-AIR”的第一行。边界框覆盖该行全部字母、连字符及附着的小环和条纹，不含下方第二行。六个正点分布在各字母笔画及装饰上；负点位于第二行文字和目标左侧、上方的外部黑色背景。"}},{"name":"Lower-right second “OPEN-AIR”","description":"The bottom word of the lower-right pair, initially white before adopting the multicolored decorated style.","membership":"Includes this copy’s letters and hyphen through its reveal and style changes, plus decorations incorporated into its letters. Excludes other copies and independent transition tiles.","id":"obj_010","temporal":{"status":"found","start_s":7.75,"end_s":10.25,"reference_s":7.75,"evidence":"目标是原先右下方一对“OPEN-AIR”中的下排，随动画移动并由白色变为带装饰的多色字样。7.50秒该下排白字仍未完整揭示，7.75秒首次完整呈现；最后合格帧为10.00秒，10.25秒转场中该字样移出并受到画面边界裁切。选择7.75秒作为关键帧，此时目标位于右下方底排，字母、连字符和内嵌装饰清晰，容易与其他副本区分。","start_frame":186,"end_frame":246,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[566.7,854.6,971.4,948.1],"positive_points":[[588.5,859.7],[633.3,925.9],[702.6,942.6],[777.6,925.9],[853.6,902.8],[954.2,859.7]],"negative_points":[[588.5,745.4],[905.7,757.4],[786.5,973.1],[522.9,900.9]],"evidence":"目标是右下角两行“OPEN-AIR”中的最下方一行。框紧贴整行字母、连字符及融入字母的装饰；六个正点分散在该行不同字母的笔画上，负点位于上方另一行文字及目标左侧、下方的外部黑色背景。"}},{"name":"Upper purple pixel curve","description":"Large violet, square-built curling graphic entering over the upper-right lettering and spreading across the upper-middle area. Its body contains black cutouts, rings, stripes, and occasional contrasting tiles.","membership":"Includes the connected stepped graphic and its embedded patterned details. Follows its actual concave outline and includes enclosed holes, but does not close open gaps between its curling ends. Excludes detached particles and surrounding text.","id":"obj_011","temporal":{"status":"found","start_s":10.5,"end_s":10.75,"reference_s":10.5,"evidence":"目标是上方由紫色方块连接成的卷曲图形，内含黑色孔洞、圆环、条纹和彩色小块，不包括下方独立图形及散落粒子。10.50秒是首个也是最后一个完整呈现的采样帧；此前10.25秒图形仍被画面上边缘裁切，之后10.75秒上方图形已消失，仅留下下方另一段图形。选择10.50秒作为关键帧，其卷曲轮廓和内部图案最清楚。","start_frame":252,"end_frame":258,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[343.8,0,839.6,520.4],"positive_points":[[404,145],[350,269],[558,277],[698,24],[769,308],[674,508]],"negative_points":[[234,720],[313,25],[915,571],[937,856]],"evidence":"目标是从画面上缘进入、在上部中央及右侧卷曲的大型紫色像素图形。边界框覆盖其可见阶梯状主体与内嵌纹样；正点分布在左侧弯曲段、中央连接段及右侧上下部分。负点位于下方另一条紫色图形、独立紫色方粒、外围文字和远处黑色背景，排除这些非目标内容。"}},{"name":"Lower purple pixel curve","description":"Separate violet stepped curve appearing beneath the upper purple graphic, curling diagonally through the lower-left area over the repeated lettering.","membership":"Includes this connected pixel-built curve and its embedded geometric details. Follows its stepped outline without filling the open space outside the curve. Excludes the upper graphic, detached transition squares, and surrounding lettering.","id":"obj_012","temporal":{"status":"found","start_s":10.5,"end_s":10.75,"reference_s":10.5,"evidence":"目标是上方紫色图形下方、斜向盘曲于左下区域的独立紫色阶梯曲线，包含其内嵌几何细节。10.50秒为首个及最后一个完整呈现的采样帧；10.25秒尚未出现完整的下方曲线，10.75秒已开始碎裂消散，11.00秒消失。选择10.50秒作为关键帧，其连接轮廓清楚，且可与上方图形及游离方块区分。","start_frame":252,"end_frame":258,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[182.8,498.1,530.2,806.5],"positive_points":[[189.6,777.8],[240.1,719.4],[288.5,668.5],[333.9,558.3],[429.7,682.4],[523.4,541.7]],"negative_points":[[416.7,278.7],[125.5,837],[313.5,882.4],[161.5,694.4]],"evidence":"目标是上方大型紫色图形下方、向左下卷曲的阶梯状紫色曲线。边界框覆盖其连续像素块及内嵌几何细节；正点分布在左下弯钩、中段和右上延伸段，负点位于上方图形、周围字母、游离方块及外部黑色背景。"}},{"name":"Red stepped ring","description":"Large red pixel-built ring that expands around the center, with a stepped outer edge, black central opening, striped sections, small rings, and contrasting green, pink, and purple tiles.","membership":"Includes the ring’s actual stepped outer boundary, its enclosed central area, and the motifs within that region. Preserves external concavities rather than using a rectangular extent. Excludes separate edge fragments outside the ring; the independently listed central title remains within its enclosed region.","id":"obj_013","temporal":{"status":"found","start_s":13.5,"end_s":14.0,"reference_s":13.75,"evidence":"目标是中央具有黑色开口的红色像素阶梯环，包含彩色方块、条纹及小圆环。13.5秒时环形结构已完整建立，随后整体放大；最后合格帧为13.75秒。前一帧13.25秒尚无此环，后一帧14.0秒放大的环已被画面上下边界裁切。选择13.75秒作为关键帧，因为阶梯外轮廓完整且内部装饰清晰；排除四周独立的红色碎块。","start_frame":324,"end_frame":336,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[217.2,72.2,826.1,923.1],"positive_points":[[520.8,113.9],[244.3,502.8],[760.4,426.9],[552.1,881.5],[499.5,438.9],[632.3,652.8]],"negative_points":[[150,500],[900,550],[320,125],[710,895]],"evidence":"目标是中央大型红色阶梯环，带有条纹、彩色方块和右侧小黑环。边界框紧贴主体最外侧阶梯，排除画面边缘的独立红色碎片。正点分布于上下左右红色部分、紫色方块及按要求包含的中央围合区域；负点位于环外左右背景和外侧凹入区域，不标记中央开口。"}},{"name":"“ART” title","description":"White uppercase “ART” revealed at the center of the black opening in the red stepped ring.","membership":"Includes only the letters forming “ART” during their reveal and final presentation. Excludes the black backing area, surrounding ring, colored squares, and transient unrelated glyphs.","id":"obj_014","temporal":{"status":"found","start_s":14.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是红色阶梯环黑色开口中央的白色大写“ART”，仅包含三个字母。首个及最后一个合格采样帧均为14.75秒，此时文字完整清晰；紧邻之前的14.50秒仍为灰色过渡字形，尚未完成揭示。14.75秒也是最适合标注的关键帧。区间延伸至视频末尾15.0秒，之后无采样帧。","start_frame":354,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[453.1,468.5,545.8,534.3],"positive_points":[[458.3,521.3],[468.8,473.1],[492.2,480.6],[512.5,527.8],[525,471.3],[533.3,521.3]],"negative_points":[[427.1,500],[567.7,500],[500,425.9],[500,574.1]],"evidence":"目标是红色阶梯环中央黑色开口中的白色大写“ART”。边界框紧贴完整三个字母；六个正点分布在各字母的实际笔画上，四个负点位于文字外侧的黑色背景，不涉及字母孔洞或字间空隙。"}}]}
+{"video_id":180,"video_type":"visual design and media animation","targets":[{"name":"Geotrek logo","description":"The central green rounded-square logo containing a lime disk, “GEO TREK” lettering, and a red-and-white compass needle. It remains the central subject through the introductory feature and organization diagrams.","membership":"Include the entire green rounded-square surface, its boundary, and all enclosed logo elements. Exclude surrounding clouds, leaves, connecting lines, and other badges.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":21.5,"reference_s":6,"evidence":"目标为中央绿色圆角方形内含青柠色圆盘、“GEO TREK”文字及红白指南针的标志，不包括外围装饰。0.00秒已完整呈现，视频起点之前无采样帧；最后合格帧为21.25秒。21.50秒标志开始被横向遮替，电脑图案进入，原有圆盘和文字不再完整。选择6.00秒作为关键帧，标志完整清晰、无遮挡，且与周围徽章容易区分。","start_frame":0,"end_frame":516,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[421.4,343.5,589.1,641.7],"positive_points":[[440,367],[573,378],[442,614],[572,616],[479,474],[526,526]],"negative_points":[[482,306],[339,510],[619,488],[505,697]],"evidence":"目标是画面中央含黄绿色圆盘、“GEO TREK”文字及红白指南针的绿色圆角方形标志。边界框紧贴整个绿色方形外缘，包含全部内部元素。六个正点分布在绿色表面及圆盘、文字区域；四个负点位于上方和下方云朵、左侧握手徽章及右侧外部背景，均不属于目标。"}},{"name":"Open-source symbol card","description":"A dark-outlined rounded card introduced at lower left, containing a green open-source ring with a keyhole-shaped opening.","membership":"Include the card surface, rounded boundary, and enclosed symbol. Exclude the caption below and decorative leaves behind it.","id":"obj_002","temporal":{"status":"found","start_s":0.75,"end_s":8.75,"reference_s":2.0,"evidence":"目标是左下方带深色圆角边框、内含绿色钥匙孔状开口圆环的卡片，不包括下方文字和背后叶片。0.75秒首次完整呈现，前一帧0.50秒尚无该卡片；8.50秒是最后完整可见帧，8.75秒向左移出时已被画面边缘裁切。选择2.00秒作为关键帧，卡片边界与内部符号清晰完整、无遮挡。","start_frame":18,"end_frame":210,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[126.6,563.9,257.3,796.3],"positive_points":[[136,581],[245,590],[165,646],[224,693],[150,775],[237,777]],"negative_points":[[190,838],[118,541],[212,540],[272,694]],"evidence":"目标是左下方含绿色开源环形符号的深色圆角描边卡片。边界框紧贴卡片外缘，覆盖卡面、边框及内部符号，不包含下方文字标签和后方叶片。正点分布于卡面与绿色符号，负点位于下方标签、两片装饰叶及右侧外部背景。"}},{"name":"Open-source caption","description":"The white text “Open-source” beneath the open-source symbol card.","membership":"Include the complete lettering only. Exclude its lime backing rectangle and the card above.","id":"obj_003","temporal":{"status":"found","start_s":1.25,"end_s":8.75,"reference_s":6.0,"evidence":"目标是开源符号卡片下方的白色“Open-source”完整文字，不含浅绿色底板。1.25秒首次完整显示，前一帧1.00秒文字仍在揭示。8.50秒是最后完整帧，8.75秒文字随整体左移开始被画面左边界裁切。选择6.00秒作为关键帧，文字清楚、无遮挡，易于独立标注。","start_frame":30,"end_frame":210,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[127.1,832.4,239.1,864.8],"positive_points":[[129.7,845.4],[143.8,855.6],[167.7,843.5],[185.9,842.6],[204.7,847.2],[234.9,848.1]],"negative_points":[[119.8,847.2],[244.8,847.2],[182.3,870.4],[182.3,685.2]],"evidence":"目标是左下方开源符号卡片下的白色“Open-source”文字。边界框仅覆盖完整字母及连字符；六个正点分布在文字各段的笔画上，负点位于文字外的浅绿色底板及上方卡片，排除这些非目标内容。"}},{"name":"Management feature card","description":"A small white-outlined card at upper left showing a file-management window with green folders and an overlapping gear.","membership":"Include the entire rounded card, its surface and boundary, and the window and gear inside it. Exclude the caption and surrounding decoration.","id":"obj_004","temporal":{"status":"found","start_s":2.0,"end_s":9.25,"reference_s":6.0,"evidence":"目标是左上方白色圆角描边卡片，内部有绿色文件夹窗口及重叠齿轮，不包含下方“Gérer”字幕。2.00秒首次完整出现，前一帧1.75秒尚未出现；9.00秒仍完整可见，9.25秒向左退出时已被画面边缘裁切。选择6.00秒作为关键帧，卡片结构清晰、无遮挡，便于独立标注。","start_frame":48,"end_frame":222,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[162,125,267.2,266.7],"positive_points":[[174.5,150],[252.1,155.6],[250,242.6],[174.5,240.7],[216.1,181.5],[198.4,220.4]],"negative_points":[[213,310.2],[145.8,191.7],[281.3,189.8],[213.5,97.2]],"evidence":"目标是左上方含绿色文件夹窗口和重叠齿轮的白色圆角卡片。边界框覆盖完整卡片表面、边框及内部图案，不含下方“Gérer”标题。正点分布于卡片表面、窗口和齿轮；负点位于标题及卡片外的周围背景。"}},{"name":"Gérer caption","description":"The white word “Gérer” beneath the file-management card.","membership":"Include the lettering only, excluding the green backing rectangle and adjacent graphic.","id":"obj_005","temporal":{"status":"found","start_s":2.5,"end_s":9.25,"reference_s":6.0,"evidence":"目标是文件管理图标下方的白色“Gérer”字样，仅指 lettering，不含绿色底板。2.50秒首次完整显示，9.00秒是最后一个完整可见帧；此前2.25秒末尾字母仍在显露，之后9.25秒字幕已随图标移出左侧画面。选择6.00秒作为关键帧，文字清晰完整、无遮挡，容易与周围图形区分。","start_frame":60,"end_frame":222,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[188.5,297.2,239.1,324.1],"positive_points":[[191.1,308.3],[206.8,321.3],[209.4,299.1],[216.7,314.8],[225,320.4],[233.9,314.8]],"negative_points":[[174,309.3],[252.6,313],[213.5,333.3],[215.1,179.6]],"evidence":"目标是左上方文件管理图标下的白色“Gérer”。边界框仅覆盖完整字母及重音符号；六个正点分布于文字笔画，负点位于文字外的绿色底板及上方图标，排除底板和相邻图形。"}},{"name":"Administration feature card","description":"A larger white-outlined card introduced at upper right, showing a dark-outlined gear around a lime user silhouette.","membership":"Include the complete card surface and boundary with the enclosed gear and user symbol. Exclude the label below and leaves behind the card.","id":"obj_006","temporal":{"status":"found","start_s":3.25,"end_s":9.25,"reference_s":4.0,"evidence":"目标是右上方白色描边卡片，内部为深色齿轮轮廓和青柠色用户符号，不包括下方标签及背后叶片。3.25秒首次完整呈现；此前3.00秒卡片仍在横向展开，齿轮两侧尚未完整揭示。最后合格帧为9.00秒，9.25秒卡片右侧已在离场时被画面边界裁切。选择4.00秒作关键帧，因为卡片完整清晰、无遮挡，且与其他卡片易于区分。","start_frame":78,"end_frame":222,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[649.5,223.1,800.5,491.7],"positive_points":[[670,248],[780,263],[674,460],[781,461],[726,334],[725,378]],"negative_points":[[721,536],[829,337],[821,231],[624,351]],"evidence":"目标是右上方白色圆角边框卡片，内有深色齿轮轮廓和浅绿色用户图标。边界框紧贴完整卡片表面及边框；正点分布于卡片表面和内部图标，负点位于下方标签、后方叶片及左侧外部背景，均不属于卡片。"}},{"name":"Administrer caption","description":"The white word “Administrer” beneath the gear-and-user card.","membership":"Include the complete lettering, excluding the yellow backing rectangle and the graphic above.","id":"obj_007","temporal":{"status":"found","start_s":3.75,"end_s":9.25,"reference_s":4.0,"evidence":"目标是齿轮与用户图标下方的白色“Administrer” lettering，不含黄色底板。3.75秒首次完整显示；前一帧3.50秒末尾字母仍在揭示、尚未完整呈现。9.00秒是最后完整帧，9.25秒文字随卡片向右退出并被画面边界裁切。选择4.00秒作为关键帧，文字清楚、无遮挡且易于独立标注。","start_frame":90,"end_frame":222,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[676.0,521.3,774.5,547.2],"positive_points":[[682.3,538.0],[696.4,527.8],[701.6,538.9],[720.3,538.9],[748.4,537.0],[769.3,538.9]],"negative_points":[[663.5,535.2],[724.0,512.0],[726.6,556.5],[725.0,351.9]],"evidence":"目标是右侧齿轮人物卡片下方的白色“Administrer”。边界框紧贴完���单词，正点分布在不同字母的白色笔画上；负点位于文字外的黄色底板及上方人物图形，排除底板和图形。"}},{"name":"Outdoor promotion feature card","description":"A dark-outlined rounded card at lower right showing a green backpacked hiker with a walking pole against mountain outlines and small birds.","membership":"Include the whole card surface, boundary, and enclosed landscape and hiker. Exclude its caption and all outside decoration.","id":"obj_008","temporal":{"status":"found","start_s":4.25,"end_s":8.75,"reference_s":6.0,"evidence":"目标是右下方深色圆角边框卡片，内含绿色背包徒步者、登山杖、山脉和小鸟；不包含“Valoriser”字幕或外部装饰。4.25秒卡片表面与完整边界已建立，4.00秒尚未出现。最后完整可见帧为8.50秒，8.75秒向右退出时已被画面边缘裁切。选择6.00秒作为关键帧，此时卡片清晰完整、无遮挡。","start_frame":102,"end_frame":210,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[761,614,864,798],"positive_points":[[806,710],[779,661],[837,692],[786,758],[831,636],[852,740]],"negative_points":[[813,837],[741,703],[882,712],[809,590]],"evidence":"目标是右下角带深色圆角边框的户外推广卡片，内有绿色背包徒步者、登山杖、山线和小鸟。边界框紧贴卡片外缘，包含整个卡面及内部图案，不含下方“Valoriser”标题。正点分布在徒步者、山景及卡面各处；负点位于下方标题和卡片外侧背景。"}},{"name":"Valoriser caption","description":"The white word “Valoriser” beneath the hiking illustration.","membership":"Include the lettering only. Exclude the lime backing rectangle and illustration above.","id":"obj_009","temporal":{"status":"found","start_s":4.75,"end_s":9.0,"reference_s":6.0,"evidence":"目标是徒步插图下方的白色“Valoriser”字样，仅计 lettering，不含浅绿色底板。4.75秒首次完整显示，4.50秒文字仍在揭示、末尾未完整出现；8.75秒字样仍完整可见，9.00秒已随布局移出画面。选择6.00秒作为关键帧，文字清楚、无遮挡，便于单独标注。","start_frame":114,"end_frame":216,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[775.5,822.2,852.1,848.1],"positive_points":[[777.6,826.9],[789.6,839.8],[800,836.1],[808.3,845.4],[832.3,837],[849,838.9]],"negative_points":[[765.6,835.2],[861.5,837],[814.6,855.6],[806.3,685.2]],"evidence":"目标是右下方徒步插图下的白色“Valoriser”字样。边界框仅覆盖完整文字，正点分散在不同字母笔画上；负点位于文字外的浅绿色底板及上方徒步插图，均不包含在目标中。"}},{"name":"Data-sharing feature card","description":"A white-outlined rounded card between the open-source card and central logo, containing a two-tone handshake.","membership":"Include the card surface, boundary, and complete enclosed handshake. Exclude the two caption lines beneath it.","id":"obj_010","temporal":{"status":"found","start_s":5.25,"end_s":9.5,"reference_s":6.0,"evidence":"目标是开源卡片与中央 Geotrek 标志之间、内含双色握手的白色圆角边框卡片，不包括下方两行说明。5.25 秒首次显示完整卡面、边框及握手，前一帧 5.0 秒尚未出现；9.25 秒仍完整可见，后一帧 9.5 秒已消失。选择 6.0 秒作为关键帧，此时卡片清晰完整且无遮挡。","start_frame":126,"end_frame":228,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[268,394,392.5,614],"positive_points":[[280,414],[380,432],[283,589],[374,593],[345,478],[322,528]],"negative_points":[[331,652],[330,714],[479,481],[244,493]],"evidence":"目标位于开源卡片与中央标志之间，是内含双色握手的白色圆角描边卡片。边界框紧贴卡片外缘，包含表面、边框和完整握手，不包含下方两行标题。正点分布于卡片表面及握手，负点位于两行标题、中央标志及卡片外侧背景。"}},{"name":"Mutualiser caption","description":"The white word “Mutualiser” directly beneath the handshake card.","membership":"Include the lettering only. Exclude its lime backing rectangle, the handshake card, and the separate line below.","id":"obj_011","temporal":{"status":"found","start_s":5.75,"end_s":9.5,"reference_s":6.0,"evidence":"目标是握手卡片正下方的白色“Mutualiser”字母，不包括浅绿底板及下方“La Donnée”。5.75秒首次完整显示；此前5.5秒末尾字母仍在揭示。最后合格帧为9.25秒，文字虽向左移动但仍完整；9.5秒已消失。选择6.0秒作为关键帧，文字清晰、无遮挡，便于独立标注。","start_frame":138,"end_frame":228,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[285.4,639.8,375.5,665.7],"positive_points":[[287,652.8],[303.1,662],[312.5,652.8],[338.5,648.1],[350,650.9],[368.8,657.4]],"negative_points":[[278.1,653.7],[383.9,652.8],[344.3,488.9],[331.8,715.7]],"evidence":"目标是握手卡片正下方的白色“Mutualiser”。边界框仅覆盖整词字母；正点分布于不同字母笔画，负点位于文字两侧的浅绿底板、上方握手图案及下方独立文字行，均不属于目标。"}},{"name":"La Donnée caption","description":"The white text “La Donnée” on the second line beneath the handshake card.","membership":"Include the complete lettering only. Exclude the yellow backing rectangle and the separate caption above.","id":"obj_012","temporal":{"status":"found","start_s":5.75,"end_s":9.5,"reference_s":6.0,"evidence":"目标为握手卡片下方第二行白色“La Donnée” lettering，仅包含文字，不含黄色底板及上方 caption。5.75 秒首次完整显示，9.25 秒为最后一个完整可见帧；此前 5.50 秒文字仍在逐字揭示，之后 9.50 秒已消失。选择 6.00 秒为关键帧，此时文字完整清晰、无遮挡。","start_frame":138,"end_frame":228,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[285.4,699.1,377.1,725.9],"positive_points":[[287.5,713],[300,721.3],[312.5,711.1],[326.6,721.3],[334.9,716.7],[372.9,720.4]],"negative_points":[[278.6,711.1],[383.3,713],[312.5,653.7],[333.3,759.3]],"evidence":"目标是握手卡片下方第二行的白色“La Donnée”。边界框仅覆盖完整文字及重音符号，不含黄色底板或上方标题。六个正点分布于字母笔画；负点位于文字两侧的黄色底板、上方独立标题及下方外部背景。"}},{"name":"Crossed-out network badge","description":"A yellow circular badge introduced below and left of the Geotrek logo, showing a multicolored cube linked to colored nodes and crossed by a coral diagonal bar.","membership":"Include the entire circular disk and its enclosed network symbol and diagonal cancellation bar. Exclude decorative leaves outside the disk.","id":"obj_013","temporal":{"status":"found","start_s":10.5,"end_s":15.0,"reference_s":11.75,"evidence":"目标是 Geotrek 标志左下方的黄色圆盘，内含彩色立方体、连接节点及珊瑚色斜杠，不包括盘外叶片。10.50 秒首次完整呈现；前一帧 10.25 秒底部节点尚未完成。14.75 秒圆盘仍完整可见，15.00 秒已向下移出画面。选择 11.75 秒作为关键帧，圆盘和内部符号清晰、无遮挡。","start_frame":252,"end_frame":360,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[192.2,488.0,370.8,805.6],"positive_points":[[276.6,515.7],[209.9,651.9],[348.4,655.6],[280.7,775.9],[271.9,625.0],[312.5,598.1]],"negative_points":[[156.3,601.9],[220.3,494.4],[500.0,648.1],[393.2,666.7]],"evidence":"目标是 Geotrek 标志左下方的黄色圆形徽章，内部有彩色立方体、连接节点和珊瑚色斜杠。边界框紧贴整个圆盘，包含内部网络图案及斜杠，不含外侧叶片。正点分布在圆盘各部及内部图案上；负点位于外侧绿叶、珊瑚色叶片、右侧另一徽章和圆盘外背景。"}},{"name":"Crossed-out crowned figure badge","description":"A coral circular badge beneath the Geotrek logo showing a suited torso, green tie, and yellow crown, crossed by a dark-purple diagonal bar.","membership":"Include the complete circular disk and all enclosed figure, crown, and cancellation-bar elements. Exclude nearby clouds and other badges.","id":"obj_014","temporal":{"status":"found","start_s":11.25,"end_s":15.0,"reference_s":11.75,"evidence":"目标是 Geotrek 标志下方的珊瑚色圆形徽章，内含西装躯干、绿色领带、黄色王冠和深紫色斜杠。11.25 秒首次完整呈现；此前 11.0 秒王冠尚未出现，斜杠仍未完成。最后合格帧为 14.75 秒，15.0 秒徽章向下离场并被画面底边裁切。选择 11.75 秒作为关键帧，此时全部组成清晰完整，无遮挡。","start_frame":270,"end_frame":360,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[410.4,488.0,589.6,806.5],"positive_points":[[499,526],[559,741],[465,759],[502,600],[518,618],[502,696]],"negative_points":[[628,706],[281,647],[500,261],[635,500]],"evidence":"目标是 Geotrek 标志下方的珊瑚色圆形徽章，内有黄色王冠、西装绿领带及深紫色斜杠。边界框紧贴完整圆盘，包含全部内部图案；正点分布在圆盘、王冠、斜杠和领带上，负点位于右侧云朵、左侧另一徽章、上方标志及外部背景。"}},{"name":"Crossed-out subscription badge","description":"A blue circular badge at lower right containing a green tablet with “Abonnement” on its screen. A white pointing hand appears at the tablet, and a yellow diagonal cancellation bar is added.","membership":"Include the blue disk and its enclosed tablet, screen contents, pointing hand, and cancellation bar. Exclude decorative leaves outside the disk.","id":"obj_015","temporal":{"status":"found","start_s":14.0,"end_s":15.0,"reference_s":14.25,"evidence":"目标是右下方蓝色圆徽章，内含显示“Abonnement”的绿色平板、白色指向手和黄色斜向取消杠，不包括外侧叶片。14.00秒所有指定成员首次完整呈现；13.75秒取消杠仍在延长揭示。最后合格帧为14.75秒，15.00秒徽章���下退出并被画面底边裁切。选择14.25秒作为关键帧，徽章完整清晰、无遮挡。","start_frame":336,"end_frame":360,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[628.1,487.9,807.3,805.6],"positive_points":[[714.6,517.6],[663.5,755.6],[666.7,596.3],[693.8,639.8],[758.3,579.6],[765.1,735.2]],"negative_points":[[833.3,601.9],[795.8,463],[609.4,565.7],[537.5,750.9]],"evidence":"目标位于右下方，是包含绿色平板、“Abonnement”字样、白色指示手和黄色斜杠的蓝色圆形徽章。边界框紧贴蓝色圆盘外缘并覆盖全部内部图案。正点分布在圆盘、平板、屏幕、斜杠和手形上；负点位于圆盘外的绿叶、黄叶、浅色背景及旁边的红色徽章上。"}},{"name":"National parks badge","description":"A lime circular badge introduced at upper left in the organization diagram, containing a white spiral-like nature emblem.","membership":"Include the circular surface, boundary, and enclosed white emblem. Exclude external leaves, the caption below, and connecting lines.","id":"obj_016","temporal":{"status":"found","start_s":15.25,"end_s":30.25,"reference_s":17.0,"evidence":"目标是组织关系图左上方的青柠色圆形徽章，内含白色螺旋状自然标志，不含外部叶片、标题和连线。15.25秒首次完整出现，前一帧15.00秒尚无该徽章；30.00秒为最后完整帧，30.25秒随整图上移而开始被画面上缘裁切。选17.00秒作关键帧，徽章完整清晰且无遮挡。","start_frame":366,"end_frame":726,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[212.5,173.1,299.5,311.1],"positive_points":[[236.5,200.0],[273.4,206.5],[226.6,253.7],[255.2,249.1],[286.5,268.5],[255.2,298.1]],"negative_points":[[317.7,225.9],[250.5,332.4],[197.9,250.0],[302.1,156.5]],"evidence":"目标是左上方“Parcs nationaux”标题上方、带白色螺旋状自然徽记的青柠色圆章。边界框紧贴圆章可见部分，包括圆面、边缘和白色徽记，不包含下方标题、外侧叶片或连接线。六个正点分布在圆面及徽记上；四个负点位于右侧绿叶、上方黄叶、下方标题和左侧背景。"}},{"name":"Parcs nationaux caption","description":"The white text “Parcs nationaux” beneath the lime nature-emblem badge.","membership":"Include the entire text block only. Exclude its green backing rectangle, emblem, leaves, and diagram connectors.","id":"obj_017","temporal":{"status":"found","start_s":15.75,"end_s":30.5,"reference_s":18.0,"evidence":"目标是浅绿色自然徽章下方的白色“Parcs nationaux”文字，仅计文字。15.50秒文字仍在逐步揭示，15.75秒首次完整；此后持续可见，最后合格帧为30.25秒。30.50秒转场遮罩已移除该文字。选择18.00秒作关键帧，文字完整清晰、无遮挡，且易于与绿色底板及徽章分开标注。","start_frame":378,"end_frame":732,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[196.35,321.3,317.71,345.37],"positive_points":[[197.92,331.48],[208.85,339.81],[232.29,339.81],[242.71,333.33],[275.52,329.63],[313.54,336.11]],"negative_points":[[188.54,333.33],[325,336.11],[255.21,269.44],[255.21,372.22]],"evidence":"目标是左上方浅绿色自然徽章下的白色“Parcs nationaux”文字。边界框仅覆盖完整文字，不含绿色底板。六个正点分布于两个单词的字形笔画上；负点位于文字两侧的绿色底板、上方徽章及下方外部背景。"}},{"name":"Businesses badge","description":"A coral circular badge above the central Geotrek graphic, containing a yellow rocket with white exhaust.","membership":"Include the whole circular disk and enclosed rocket illustration. Exclude external leaves, caption, and connecting lines.","id":"obj_018","temporal":{"status":"found","start_s":15.5,"end_s":30.25,"reference_s":18.0,"evidence":"目标是中央 Geotrek 图形上方的珊瑚红圆盘，内含黄色火箭和白色尾焰，不包含外部叶片、文字及连线。15.50 秒圆盘和火箭已完整出现，前一帧 15.25 秒尚未出现该徽章。30.00 秒是最后完整可见帧，30.25 秒徽章向上离场并被画面上边界裁切。选择 18.00 秒作为关键帧，此时徽章完整清晰、无遮挡。","start_frame":372,"end_frame":726,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[457.3,125.9,543.2,252.8],"positive_points":[[475,175],[500,139],[530,199],[480,232],[500,171],[501,231]],"negative_points":[[562,176],[503,273],[437,194],[502,360]],"evidence":"目标是中央 Geotrek 图形上方、含黄色火箭和白色尾焰的珊瑚色圆徽章。边界框紧贴圆盘可见部分，下缘止于遮挡它的标题牌；正点覆盖圆盘、火箭及尾焰，负点位于外部叶片、Entreprises 标题牌、左侧背景和下方中央图形，均不属于目标。"}},{"name":"Entreprises caption","description":"The white word “Entreprises” beneath the rocket badge.","membership":"Include the lettering only, excluding the muted-red backing rectangle and nearby graphics.","id":"obj_019","temporal":{"status":"found","start_s":16.0,"end_s":30.25,"reference_s":18.0,"evidence":"目标是火箭徽章下方的白色“Entreprises”字样，仅计 lettering，不含暗红底板。16.00秒文字首次完整呈现；15.75秒仍在逐字显露。最后符合条件的帧为30.00秒，30.25秒场景上移切换，目标已离开画面。选择18.00秒作为关键帧，此时文字完整清晰、无遮挡，且与火箭徽章的关系明确。","start_frame":384,"end_frame":726,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[457.8,260.2,543.2,289.8],"positive_points":[[460.4,272.2],[469.8,275.9],[479.2,263.9],[500,283.3],[515.6,272.2],[539.1,269.4]],"negative_points":[[452.6,273.1],[549,273.1],[500,175.9],[583.3,277.8]],"evidence":"目标是火箭徽章下方的白色“Entreprises”。边界框仅覆盖完整单词的字母及其下伸部分，不含暗红色底板。六个正点分布在不同字母的笔画上；负点位于文字两侧的底板、上方火箭图案及右侧背景。"}},{"name":"Departments badge","description":"A white circular badge at upper right containing a lime map of mainland France subdivided by fine green lines.","membership":"Include the circular surface and boundary and the complete enclosed map. Exclude leaves, caption, and connecting lines outside the disk.","id":"obj_020","temporal":{"status":"found","start_s":15.75,"end_s":30.25,"reference_s":17.0,"evidence":"目标是右上方白色圆盘，内部为带细绿色分界线的青柠色法国本土地图，不包括外侧叶片、标题和连线。15.75秒首次完整呈现，前一帧15.50秒尚未出现；30.00秒为最后完整帧，30.25秒随场景上移已被画面上边缘裁切。选择17.00秒作为关键帧，此时圆盘及地图清晰完整、无遮挡。","start_frame":378,"end_frame":726,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[689.1,171.3,775.5,304.6],"positive_points":[[709.9,199.1],[734.9,233.3],[724.0,276.9],[756.8,260.2],[697.9,250.9],[744.8,184.3]],"negative_points":[[788.5,205.6],[791.1,269.4],[725.5,325.0],[673.4,236.1]],"evidence":"目标是右上方“Départements”标题上方的白色圆形徽章，内部为带细分界线的法国地图。边界框紧贴圆盘的可见范围，下缘止于标题遮挡处。六个正点分布在白色盘面及地图上；四个负点位于外侧黄叶、绿叶、标题和左侧背景，排除这些非目标内容。"}},{"name":"Départements caption","description":"The white word “Départements” beneath the France-map badge.","membership":"Include the lettering only. Exclude the blue backing rectangle and adjacent map graphic.","id":"obj_021","temporal":{"status":"found","start_s":16.25,"end_s":30.5,"reference_s":17.0,"evidence":"目标是法国地图徽章下方的白色“Départements”字样，仅指 lettering，不含蓝色底板。16.00秒文字尚未完全揭示，16.25秒首次完整显示；此后持续可见，最后合格帧为30.25秒，30.50秒已被场景切换遮罩移除。选取17.00秒作为关键帧，此时文字完整清晰且无遮挡。","start_frame":390,"end_frame":732,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[674.5,311.1,785.4,340.7],"positive_points":[[676.0,324.1],[696.9,334.3],[724.0,317.6],[739.6,325.0],[763.0,328.7],[781.8,331.5]],"negative_points":[[666.7,323.1],[791.7,325.0],[729.7,251.9],[807.3,352.8]],"evidence":"目标是法国地图徽章下方的白色“Départements”。边界框仅覆盖完整字母、重音及下伸笔画，不含蓝色底板。六个正点分布在不同字母笔画上；负点位于文字两侧的蓝色底板、上方地图和右侧外部背景。"}},{"name":"Regional parks badge","description":"A yellow circular badge at middle left containing a coral asterisk-like emblem.","membership":"Include the whole circular disk and enclosed radial emblem. Exclude external leaves, the caption, and diagram connectors.","id":"obj_022","temporal":{"status":"found","start_s":16.25,"end_s":30.25,"reference_s":18.0,"evidence":"目标是图示左侧的黄色圆盘及其中珊瑚色放射状星号，不包括叶片、标题和连线。16.25秒首次完整出现，前一帧16.00秒尚无该徽章；30.00秒为最后完整帧，30.25秒开始被场景切换的遮罩裁切。选择18.00秒作为关键帧，圆盘和星号清晰完整，且没有遮挡。","start_frame":390,"end_frame":726,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[222.9,453.7,308.5,584.3],"positive_points":[[262,471],[236,510],[266,530],[299,522],[284,569],[239,568]],"negative_points":[[334,502],[313,436],[259,607],[204,539]],"evidence":"目标是图像中部偏左、“Parcs régionaux”标题上方的黄色圆徽章，内含珊瑚色放射状符号。框紧贴圆盘可见部分；六个正点分布于黄色盘面和内部符号，四个负点分别位于外部绿叶、黄叶、下方标题及左侧背景，排除叶片、标题和连接线。"}},{"name":"Associations badge","description":"A green circular badge at middle right containing two upright overlapping hands, one lime and one yellow.","membership":"Include the disk surface, boundary, and both enclosed hands. Exclude external leaves, caption, and connecting lines.","id":"obj_023","temporal":{"status":"found","start_s":15.75,"end_s":30.25,"reference_s":18.0,"evidence":"目标是画面中右侧的绿色圆盘，内有一只浅绿色和一只黄色的直立重叠手掌，不包括外部叶片、标题和连线。15.75秒首次完整呈现，前一帧15.50秒尚未出现。最后一帧完整呈现于30.00秒，30.25秒圆盘开始被场景切换的遮罩裁切。选择18.00秒作为关键帧，此时圆盘和双手清晰完整、无遮挡。","start_frame":378,"end_frame":726,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[693.2,452.8,780.2,584.3],"positive_points":[[703.6,523.1],[734.4,464.8],[724.0,515.7],[745.3,527.8],[764.1,559.3],[713.5,573.1]],"negative_points":[[800.5,508.3],[731.8,604.6],[677.1,523.1],[644.3,604.6]],"evidence":"目标是图像右侧中部、Associations 标题上方的绿色双手圆章。框覆盖可见圆盘及其中浅绿、黄色双手，不含外伸叶片、下方标题和连线。六个正点分布于圆盘表面与双手，四个负点位于外部叶片、标题、左侧背景和连接线上。"}},{"name":"Associations caption","description":"The white word “Associations” beneath the paired-hands badge.","membership":"Include the complete lettering only. Exclude its yellow backing rectangle and nearby graphics.","id":"obj_024","temporal":{"status":"found","start_s":16.5,"end_s":30.25,"reference_s":18.0,"evidence":"目标为双手徽章下方的白色“Associations”完整 lettering，不含黄色底板。16.50秒文字首次完整清晰，16.25秒末尾字母仍在揭示；30.00秒为最后合格帧，30.25秒场景退出时文字被遮罩裁切。选择18.00秒作为关键帧，文字完整、无遮挡，且易与周围标签区分。","start_frame":396,"end_frame":726,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[688.5,589.8,783.5,614.4],"positive_points":[[690.6,609.3],[704.7,599.1],[717.2,605.6],[735.4,606.5],[762.2,605.6],[779.2,608.3]],"negative_points":[[682.8,620.4],[790.6,602.8],[736.5,534.3],[804.2,646.3]],"evidence":"目标是右侧双手徽章下方的白色“Associations”。边界框仅覆盖完整字母，不含黄色底板；六个正点分布在单词各段的字形笔画上，负点位于黄色底板外露处、上方徽章及外围背景。"}},{"name":"Communities badge","description":"A terracotta circular badge below and left of the central graphic, showing three houses of different heights in coral, white, and yellow.","membership":"Include the circular surface, boundary, and all three enclosed buildings. Exclude leaves, the text beneath, and diagram connectors.","id":"obj_025","temporal":{"status":"found","start_s":16.0,"end_s":30.25,"reference_s":18.0,"evidence":"目标是中央图形左下方的赭红色圆形徽章，内有珊瑚红、白色和黄色三栋高矮不同的房屋，不包括叶片、下方文字及连接线。16.0秒首次完整呈现，前一帧15.75秒尚未出现；30.0秒为最后完整帧，30.25秒已被场景切换的遮罩移除。选择18.0秒作为关键帧，徽章轮廓和三栋房屋清晰、无遮挡。","start_frame":384,"end_frame":726,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[321.4,685.2,407.8,814.0],"positive_points":[[344,716],[386,713],[339,775],[359,754],[382,764],[397,786]],"negative_points":[[423,731],[364,833],[456,834],[300,745]],"evidence":"目标是中央图形左下方、内含珊瑚红、白色和黄色三栋房屋的陶土色圆形徽章。边界框紧贴其可见圆面，下缘止于文字标签遮挡处；正点分布在圆面和三栋建筑上，负点位于右侧叶片、下方文字标签、连接线及左侧外部背景，均不属于目标。"}},{"name":"Communautés de communes caption","description":"The two-line white text “Communautés” and “de communes” beneath the three-house badge.","membership":"Include both lines as one text block. Exclude the blue backing rectangles, house badge, and connecting lines.","id":"obj_026","temporal":{"status":"found","start_s":16.75,"end_s":30.25,"reference_s":18.0,"evidence":"目标是三栋房屋徽章下方的两行白字“Communautés”和“de communes”，不包含蓝色底板。16.75秒两行文字首次完整呈现；前一帧16.50秒文字仍在揭示中。最后合格帧为30.00秒，文字仍完整可见；30.25秒场景被转场遮罩移除，目标已不可见。选择18.00秒作为关键帧，两行文字清晰完整且无遮挡。","start_frame":402,"end_frame":726,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[308.3,820.4,421.4,897.2],"positive_points":[[310.4,833.3],[359.4,834.3],[418.2,830.6],[319.3,879.6],[338.5,884.3],[417.2,883.3]],"negative_points":[[303.6,833.3],[426.6,883.3],[362.0,752.8],[453.6,833.3]],"evidence":"目标是三栋房屋徽章下方的白色两行文字“Communautés”和“de communes”。边界框覆盖两行完整文字及行间距；六个正点分布在��行字形笔画上，负点位于蓝色底板、上方房屋徽章和右侧连接线处，均不属于目标文字。"}},{"name":"Tourism offices badge","description":"A muted-red circular badge below and right of the central graphic, containing a white angular emblem and coral curved figure.","membership":"Include the circular surface and boundary and the complete enclosed emblem. Exclude external leaves, caption, and connectors.","id":"obj_027","temporal":{"status":"found","start_s":16.0,"end_s":30.25,"reference_s":17.0,"evidence":"目标是中央图形右下方的暗红色圆形徽章，内含白色折角标志和珊瑚色人物图案，不包括外部叶片、文字及连线。16.00秒首次完整呈现，前一帧15.75秒尚未出现；30.00秒仍完整可见，30.25秒已被场景切换遮罩移除。选择17.00秒作为关键帧，徽章轮廓及内部标志清晰且无遮挡。","start_frame":384,"end_frame":726,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[552.6,681.5,640.1,819.4],"positive_points":[[594.3,701.9],[567.7,730.6],[625.5,732.4],[581.8,753.7],[595.3,778.7],[618.8,798.1]],"negative_points":[[658.3,752.8],[596.4,839.8],[537.5,779.6],[511.5,788.9]],"evidence":"目标是中央图形右下方、旅游办公室标题上方的暗红色圆形徽章，内有白色棱角图案和珊瑚色人物。边框紧贴徽章可见圆面及边界，下缘止于标题遮挡处。六个正点分布在圆面和内部图案上；负点位于外部绿叶、蓝色标题、左侧背景及连接线上。"}},{"name":"Offices du tourisme caption","description":"The two-line white text “Offices” and “du tourisme” beneath the tourism emblem.","membership":"Include both lines as one text block. Exclude the blue backing rectangles and adjacent graphics.","id":"obj_028","temporal":{"status":"found","start_s":16.75,"end_s":30.25,"reference_s":18.0,"evidence":"目标是旅游标志下方的两行白字“Offices / du tourisme”，不包括蓝色底板。16.75秒首次完整显示，前一帧16.50秒第二行仍在揭示。最后合格帧为30.00秒；30.25秒场景向上退出并被遮罩移除，该文字已不可见。选择18.00秒作为关键帧，两行文字清晰完整且无遮挡。","start_frame":402,"end_frame":726,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[547.4,822.2,639.1,895.4],"positive_points":[[568.2,833.3],[583.9,826.9],[617.7,839.8],[548.4,884.3],[590.1,887.0],[621.9,880.6]],"negative_points":[[541.7,881.5],[629.2,834.3],[595.3,768.5],[664.1,883.3]],"evidence":"目标位于右下方旅游徽标下，是白色两行文字“Offices / du tourisme”。边界框覆盖两行完整文字及行间间隔，不包含蓝色底板。六个正点分布在两行字母笔画上；负点位于文字外的蓝色底板、上方徽标和右侧背景。"}},{"name":"Parcs régionaux caption","description":"The white text “Parcs régionaux” beneath the yellow radial-emblem badge.","membership":"Include the lettering only. Exclude its blue backing rectangle, badge, and connecting lines.","id":"obj_029","temporal":{"status":"found","start_s":16.75,"end_s":30.25,"reference_s":18.0,"evidence":"目标是黄色放射状徽章下方的白色“Parcs régionaux”字样，仅计 lettering，不含蓝色底板。16.50秒文字仍在逐步揭示，16.75秒首次完整出现；30.00秒是最后完整可见帧，30.25秒场景上移且遮罩已裁去该标题。选择18.00秒作为关键帧，此时文字清晰、无遮挡且易与其他标题区分。","start_frame":402,"end_frame":726,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[198,592,321,622],"positive_points":[[200,605],[225,606],[246,606],[263,619],[271,606],[316,609]],"negative_points":[[191,610],[327,610],[263,529],[354,606]],"evidence":"目标是黄色放射状徽章下方的白色“Parcs régionaux”文字。边界框仅包围完整字母及重音、下伸部分，不含蓝色底板。六个正点分布在文字不同位置的笔画上；负点位于两侧蓝色底板、上方徽章及右侧连接线处。"}},{"name":"Organization and system connection network","description":"The thin lime branching lines that connect the central Geotrek graphic to the surrounding organizations, then extend to devices, information systems, and external services.","membership":"Include the visible connecting strokes, following their bends and open ends. Exclude the areas between lines, all endpoint badges and labels, and the small animated dots, diamonds, and capsules traveling along them.","id":"obj_030","temporal":{"status":"found","start_s":16.75,"end_s":30.25,"reference_s":28.25,"evidence":"目标是从中央 Geotrek 图形分支连接周围机构、设备和外部服务的细浅绿色折线，不含端点徽章及线上移动的小符号。16.50 秒初始连线仍在绘制，16.75 秒初始网络已完整建立；之后新增分支属于同一网络的扩展。最后合格帧为 30.00 秒，30.25 秒场景切换的遮罩已移除网络下部。选择 28.25 秒作为关键帧，因为扩展后的网络完整可见，连接路径清楚。","start_frame":402,"end_frame":726,"reference_frame":678},"grounding":{"status":"found","bbox_xyxy":[173.5,299,819.3,786.1],"positive_points":[[366.67,412.96],[182.81,574.07],[480.21,708.33],[802.6,361.11],[811.98,626.85],[554.17,331.48]],"negative_points":[[505,486],[693,286],[294,286],[859,499]],"evidence":"目标是中央图形与周围组织、设备及服务之间的细浅绿色连接线。边界框覆盖这些线条的可见分支、弯折和末端；六个正点分散在线条的上方、左侧、下方及右侧分支。负点位于中央显示器、Départements、Parcs nationaux 和 Apidae 图案上，排除端点图形、标签及沿线运动的小标记。"}},{"name":"Central computer panel","description":"The green rounded-square panel that replaces the Geotrek logo in the organization network. It contains a desktop monitor with a purple bezel, pale stand, and changing lime, yellow, and green page blocks.","membership":"Include the complete green panel surface and rounded boundary, monitor, stand, and all screen contents. Exclude surrounding connectors and other network nodes.","id":"obj_031","temporal":{"status":"found","start_s":22.0,"end_s":30.25,"reference_s":24.0,"evidence":"目标是组织网络中央的绿色圆角方形面板，内含紫色边框显示器、浅色支架及彩色页面块，不含周围连线和节点。22.00秒首次完整呈现；21.75秒显示器仍处于从面板左侧揭示的阶段。最后完整帧为30.00秒，30.25秒白色转场遮罩开始截去面板下部。选择24.00秒作关键帧，面板及显示器结构清楚、无遮挡。","start_frame":528,"end_frame":726,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[422.4,346.3,587.5,638.9],"positive_points":[[451.0,372.2],[570.8,610.2],[437.5,583.3],[556.8,419.4],[488.5,469.4],[494.8,584.3]],"negative_points":[[400.5,480.6],[615.6,595.4],[609.4,268.5],[585.9,726.9]],"evidence":"目标是网络中央包含桌面显示器的绿色圆角面板。边界框紧贴完整绿色面板，包含显示器边框、屏幕内容和支架；正点分布于面板表面及显示器各部分，负点位于面板外的连接线、上方平板图标和下方旅游办公室节点。"}},{"name":"Connected tablet","description":"A small landscape tablet with a lime bezel and pale reflective screen, positioned above and right of the central computer panel.","membership":"Include the tablet’s complete outer casing and enclosed screen, controls, and reflections. Exclude its connecting line and nearby organization badges.","id":"obj_032","temporal":{"status":"found","start_s":22.25,"end_s":30.5,"reference_s":24.0,"evidence":"目标是中央电脑面板右上方的小型横向平板，具有浅绿色完整边框、浅色反光屏幕和底部控制键，不包含连接线。22.25秒首次完整出现，22.00秒尚未出现；30.25秒仍完整可见，30.50秒已随旧场景移出画面。选择24.00秒作为关键帧，平板轮廓清晰，与附近徽章分离且无遮挡。","start_frame":534,"end_frame":732,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[576.6,226.9,644.8,309.3],"positive_points":[[581,270],[610,233],[590,256],[624,269],[605,286],[631,302]],"negative_points":[[609,345],[703,272],[550,379],[654,216]],"evidence":"目标位于中央电脑面板的右上方，是浅绿色边框、浅色反光屏幕的横向平板。边界框紧贴完整外壳，包含屏幕、控制部件及反光；正点分布在边框和屏幕上，负点位于下方连接线、右侧组织徽章、中央面板及外部背景，均不属于平板。"}},{"name":"Server stack","description":"Three stacked lime server units at the left of the network, each with small yellow status lights and a dark horizontal slot.","membership":"Include all three units and their visible faces, boundaries, lights, and slots as one compact stack. Exclude connectors, clouds, and the information-systems label.","id":"obj_033","temporal":{"status":"found","start_s":22.25,"end_s":30.5,"reference_s":25.0,"evidence":"目标是网络左侧的三层浅绿色服务器，每层都有黄色状态灯和深色横槽，不包含连线或信息系统标签。22.25秒首次完整出现，22.00秒尚未出现；30.25秒三层仍完整可见，30.50秒已随场景上移离开可见区域。选择25.00秒作为关键帧，服务器轮廓清晰、无遮挡，易与周围元素区分。","start_frame":534,"end_frame":732,"reference_frame":600},"grounding":{"status":"found","bbox_xyxy":[187.5,412,235,496.3],"positive_points":[[195.3,425.9],[225,426.9],[195.8,453.7],[223.4,454.6],[197.4,481.5],[224,482.4]],"negative_points":[[255.2,458.3],[166.7,480.6],[208.3,391.7],[276,522.2]],"evidence":"目标位于网络左侧，是带黄色状态灯和深色横槽的三层浅绿色服务器。边界框紧贴三台设备的整体可见轮廓；六个正点分布在各层左右两侧的可见面上，四个负点位于外部连接线、云朵、上方背景及右侧公园图标，排除这些非目标元素。"}},{"name":"Database cylinder","description":"A small yellow cylinder with dark outlines and a horizontal division, introduced below the associations badge and right of the computer panel.","membership":"Include the full cylinder silhouette and its enclosed top and side surfaces. Exclude the connecting line and cloud behind it.","id":"obj_034","temporal":{"status":"found","start_s":22.25,"end_s":30.25,"reference_s":24.0,"evidence":"目标是 Associations 徽章下方、电脑面板右侧的黄色数据库圆柱，具有深色轮廓、椭圆顶面和横向分隔线。22.25 秒首次完整呈现，前一帧 22.00 秒尚未出现；30.00 秒仍完整可见，30.25 秒被场景切换的遮罩移除。选择 24.00 秒作为关键帧，此时圆柱清晰完整，与连接线和背景云朵容易区分。","start_frame":534,"end_frame":726,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[674,629.6,718.3,710.2],"positive_points":[[695.3,642.6],[682.8,643.5],[680.7,665.7],[709.9,666.7],[684.4,692.6],[709.9,691.7]],"negative_points":[[731.8,700],[663.5,640.7],[703.1,597.2],[732.3,644.4]],"evidence":"目标是协会徽章下方、电脑面板右侧的黄色深色描边数据库圆柱。边界框紧贴整个圆柱轮廓，包含椭圆顶面和分层侧面；六个正点分布在这些表面上，四个负点位于后方云朵、连接线附近、上方协会标签及右侧背景，均排除在目标之外。"}},{"name":"Systèmes d’information text","description":"The two-line white text “Systèmes d’information,” presented inside a blue circle to the left of the server stack.","membership":"Include the complete text block only. Exclude the blue circular backing, server stack, and connection lines.","id":"obj_035","temporal":{"status":"found","start_s":25.25,"end_s":30.5,"reference_s":26.0,"evidence":"目标是服务器堆叠左侧蓝色圆内的两行白字“Systèmes d’information”，仅指文字。25.25秒文字已完整显示，前一帧25.0秒尚未出现。最后合格帧为30.25秒，转场时文字仍完整可见；30.5秒已被转场移除。选择26.0秒作为关键帧，文字清晰、无遮挡且与服务器容易区分。","start_frame":606,"end_frame":732,"reference_frame":624},"grounding":{"status":"found","bbox_xyxy":[80.7,482.4,156.3,521.3],"positive_points":[[95.3,487.0],[113.5,490.7],[139.6,494.4],[83.3,512.0],[117.7,510.2],[148.4,513.0]],"negative_points":[[116.1,449.1],[116.7,546.3],[213.5,455.6],[179.7,530.6]],"evidence":"目标是服务器堆叠左侧蓝色圆内的两行白字“Systèmes d’information”。框仅覆盖完整文字块；六个正点分布在两行字形笔画上，负点位于文字外的蓝色圆底、服务器及外围背景，不包含文字内部间隙。"}},{"name":"IGN rando service badge","description":"A white circular service badge at far right containing the gray-and-green “IGN rando” logo with a green location-pin mark.","membership":"Include the full circular surface and boundary and all enclosed logo elements. Exclude connecting lines and the other service badges.","id":"obj_036","temporal":{"status":"found","start_s":26.75,"end_s":30.25,"reference_s":28.0,"evidence":"目标是画面最右侧的白色圆形徽章，内含灰绿“IGN rando”标志及绿色定位标记。26.75秒首次完整出现，前一帧26.50秒尚无该徽章；最后符合条件的帧为30.00秒，30.25秒随场景上移开始被画面上边界裁切。选择28.00秒作为关键帧，圆形边界和内部标志清晰完整，与其他服务徽章容易区分。","start_frame":642,"end_frame":726,"reference_frame":672},"grounding":{"status":"found","bbox_xyxy":[818.8,250.9,903.6,400.9],"positive_points":[[838.5,287.0],[876.0,280.6],[843.8,319.4],[882.8,329.6],[838.0,356.5],[867.2,379.6]],"negative_points":[[804.2,345.4],[862.0,495.4],[927.1,324.1],[859.4,211.1]],"evidence":"目标是图像最右侧上方、含灰绿色“IGN rando”标志及绿色定位图钉的白色圆形徽章。边界框紧贴完整圆面和边界，包含内部标志。正点分布在圆面及标志上；负点位于左侧连接线、下方 Apidae 徽章及圆外背景，不包含其他服务徽章。"}},{"name":"Apidae service badge","description":"A yellow circular service badge below the IGN rando badge, containing the “Apidae” logo with small multicolored motifs.","membership":"Include the entire circular surface, boundary, and enclosed logo artwork and text. Exclude connectors and neighboring badges.","id":"obj_037","temporal":{"status":"found","start_s":27.0,"end_s":30.5,"reference_s":28.25,"evidence":"目标是画面右侧 IGN rando 徽章下方的黄色圆形 Apidae 服务徽章，包含文字和多彩图案。27.0 秒首次完整呈现；此前 26.75 秒仅有 IGN rando 徽章，目标尚未出现。最后符合条件的帧为 30.25 秒，圆形徽章仍完整可见；30.5 秒随原场景向上退出而不再完整可见。选择 28.25 秒作为关键帧，此时目标清晰、无遮挡，且易与相邻徽章区分。","start_frame":648,"end_frame":732,"reference_frame":678},"grounding":{"status":"found","bbox_xyxy":[817.2,423.1,902.1,574.1],"positive_points":[[837.5,455.6],[870.3,449.1],[890.6,488.9],[864.6,503.7],[835.4,524.1],[868.2,551.9]],"negative_points":[[859.4,325],[859.4,666.7],[927.1,498.1],[796.9,526.9]],"evidence":"目标是右侧 IGN rando 下方、带 Apidae 标志和彩色装饰的黄色圆形徽章。边界框紧贴完整圆面及边缘，包含内部图文；正点分布于圆面和标志上，负点位于上下相邻徽章、右侧背景及左侧连接线，排除这些非目标内容。"}},{"name":"Additional services badge","description":"A lime circular badge beneath the named external services, containing three white dots.","membership":"Include the complete circular disk and all three enclosed dots. Exclude the connecting line and neighboring service badges.","id":"obj_038","temporal":{"status":"found","start_s":27.25,"end_s":30.25,"reference_s":28.25,"evidence":"目标是右侧 IGN rando、Apidaé 徽章下方的浅绿色圆盘，内含三个白点，不包括连接线。27.25秒首次完整出现，前一帧27.00秒尚无该徽章；30.00秒仍完整可见，后一帧30.25秒已被场景切换遮罩移除。选择28.25秒作为关键帧，圆盘和三个白点清晰完整，与邻近服务徽章容易区分。","start_frame":654,"end_frame":726,"reference_frame":678},"grounding":{"status":"found","bbox_xyxy":[817,594,903,741],"positive_points":[[849,670],[860,670],[871,670],[850,620],[883,643],[860,717]],"negative_points":[[799,611],[860,497],[925,667],[860,778]],"evidence":"目标是右下方、Apidae 徽章下方含三个白点的黄绿色圆形徽章。边界框紧贴完整圆盘，包含三个白点，不含连接线及邻近徽章。正点分布在三个白点和圆盘内部不同位置；负点位于左侧、右侧及下方外部背景和上方 Apidae 徽章。"}},{"name":"Trail maintenance worker","description":"An illustrated worker introduced on the left of the Geotrek-Admin scene, wearing a yellow hat, green shirt, purple trousers, and coral shoes. The worker carries a multicolored toolbox and has small tools at the waist.","membership":"Include the worker’s complete visible body, clothing, hat, footwear, held toolbox, and attached waist tools. Follow the silhouette and gaps between limbs; exclude the separate signpost, cone, and background shapes.","id":"obj_039","temporal":{"status":"found","start_s":30.5,"end_s":32.0,"reference_s":31.5,"evidence":"目标是 Geotrek-Admin 场景左侧戴黄帽、穿绿上衣和紫色长裤、脚穿珊瑚色鞋的工人，手提彩色工具箱且腰间挂有工具。首个合格帧为30.50秒，完整身体及所持工具均已显露；前一帧30.25秒工人上半身仍被场景切换遮罩遮住。最后合格帧为31.75秒，目标仍完整可见，区间延伸至视频末尾32.00秒，无后续帧。选择31.50秒作为关键帧，工人轮廓清楚，身体和工具易于与独立路牌、锥桶区分。","start_frame":732,"end_frame":768,"reference_frame":756},"grounding":{"status":"found","bbox_xyxy":[100.5,70.4,207.3,587],"positive_points":[[156.3,94.4],[148.4,231.5],[119.8,402.8],[179.2,303.7],[170.3,460.2],[183.9,569.4]],"negative_points":[[254.7,296.3],[322.9,411.1],[214.1,442.6],[80.7,490.7]],"evidence":"目标是画面左侧戴黄帽、穿绿衣紫裤和珊瑚色鞋的维修工。边界框覆盖完整可见身体、帽子、鞋、手提工具箱及腰间工具。正点分布在帽子、上衣、工具箱、腰间工具、裤腿和鞋上；负点位于独立路牌柱、交通锥、背景绿色块及左侧白色背景，均排除在目标外。"}},{"name":"Trail direction signpost","description":"A tall brown wooden post beside the worker, bearing two yellow directional arrows with purple tips and a small green marker near its top.","membership":"Include the entire post and attached arrows and marker, with their surfaces and markings. Follow the combined silhouette; exclude the worker’s hand where it overlaps, the cone, and background panels.","id":"obj_040","temporal":{"status":"found","start_s":30.5,"end_s":32.0,"reference_s":31.5,"evidence":"目标是工人身旁的棕色木柱，带两块紫色箭头尖端的黄色指路牌及顶部绿色标记。30.50秒首次完整呈现，30.25秒仍被场景过渡遮罩遮住上部。最后合格帧为31.75秒，目标持续完整可见至视频结束，之后没有采样帧。选择31.50秒作为关键帧，此时工人的手已离开指路牌，目标轮廓清楚、遮挡少。","start_frame":732,"end_frame":768,"reference_frame":756},"grounding":{"status":"found","bbox_xyxy":[206.8,97.2,314.1,463.0],"positive_points":[[254.7,126.9],[218.8,173.1],[278.6,172.2],[302.1,216.7],[253.6,296.3],[254.7,438.0]],"negative_points":[[194.3,336.1],[324.5,387.0],[288.5,304.6],[158.9,250.9]],"evidence":"目标是工人旁的木质路标，由棕色立柱、两块带紫色箭头端部的黄色指向牌及顶部绿色标记组成。边界框紧贴这些部件的整体可见范围；六个正点分布在标记、两块箭头牌和立柱上下部，四个负点位于工人的手、工人上衣、交通锥及路标右侧背景面板上。"}},{"name":"Traffic cone","description":"A coral traffic cone to the right of the trail signpost, with pale horizontal stripes, a dark lower band, and a broad coral base.","membership":"Include the complete cone and base silhouette and all internal stripes. Exclude surrounding background panels and adjacent objects.","id":"obj_041","temporal":{"status":"found","start_s":30.5,"end_s":32.0,"reference_s":31.25,"evidence":"目标是步道路标右侧的珊瑚色交通锥，带浅色横条、深色下缘和宽底座。30.50秒首次完整显示锥体及底座；前一帧30.25秒仍在场景揭示过程中，交通锥未完整出现。最后合格帧为31.75秒，目标仍完整可见，区间延续至视频结束，无后续帧。选择31.25秒作为关键帧，交通锥轮廓清楚且无遮挡。","start_frame":732,"end_frame":768,"reference_frame":750},"grounding":{"status":"found","bbox_xyxy":[283.9,297.2,363.5,461.1],"positive_points":[[323.4,312.0],[322.4,341.7],[327.1,396.3],[324.0,438.0],[294.8,454.6],[351.0,454.6]],"negative_points":[[291.7,379.6],[358.9,383.3],[324.0,489.8],[255.2,398.1]],"evidence":"目标位于路标右侧，为带浅色横条和深色下缘的珊瑚色交通锥。框覆盖完整锥体及宽底座；正点分布在锥顶、条纹、锥身、深色带和底座两端，负点位于两侧背景、下方空白及左侧路标立柱上。"}},{"name":"Hare illustration","description":"A large tan hare on the right of the Geotrek-Admin scene, shown sitting in profile with long upright ears, a dark eye, and a pale chest.","membership":"Include the hare’s complete visible body and facial details, following the ears, limbs, back, and tail outline. Exclude the surrounding trees, foreground foliage, green ground, and pale rectangular background.","id":"obj_042","temporal":{"status":"found","start_s":30.5,"end_s":32.0,"reference_s":30.75,"evidence":"目标是 Geotrek-Admin 场景右侧侧坐的棕褐色野兔，具有长直立耳、深色眼睛和浅色胸部。首个完整呈现帧为30.50秒；此前30.25秒仍被场景过渡遮罩遮住头耳上部。最后 qualifying 帧为31.75秒，野兔仍完整可见，区间延续至视频结束32.00秒，无后续帧。选择30.75秒作为关键帧，野兔轮廓清晰，前景植物遮挡较少；不包括周围树木、草叶、地面和背景矩形。","start_frame":732,"end_frame":768,"reference_frame":738},"grounding":{"status":"found","bbox_xyxy":[737.5,201.9,890.1,641.7],"positive_points":[[809.9,254.6],[763.0,318.5],[780.7,421.3],[764.6,609.3],[833.3,510.2],[876.0,584.3]],"negative_points":[[838.5,398.1],[875.0,240.7],[842.2,545.4],[786.5,660.2]],"evidence":"目标是画面右侧侧身蹲坐的棕褐色野兔，具有长耳、深色眼睛和浅色胸部。边界框紧贴耳尖、鼻端、脚底及尾部的可见范围；正点分布在耳、头、躯干、前肢、后腿和尾部，负点位于周围树木、浅色背景、前景叶片及绿色地面。"}},{"name":"Geotrek-Admin interface panel","description":"A bordered rectangular interface in the center of the final scene, showing a gray-striped records table on the left and a green-and-pale map with controls on the right.","membership":"Include the complete panel surface and outer boundary, header, table, checkboxes, colored markers, map, and map controls. Exclude the title above, separate map cards below, worker, cone, and hare.","id":"obj_043","temporal":{"status":"found","start_s":30.5,"end_s":32.0,"reference_s":31.0,"evidence":"目标是最终场景中央的矩形界面板，左侧为灰色条纹记录表，右侧为绿色地图及控件。30.50秒首次完整显示面板表面、布局和外边框；此前30.25秒仅露出一条边缘，尚未完成进入。最后合格帧为31.75秒，面板持续完整显示至视频结束，没有更后采样帧。选择31.00秒作为关键帧，此时面板清晰且无遮挡，可与上方标题、下方独立地图卡片区分。","start_frame":732,"end_frame":768,"reference_frame":744},"grounding":{"status":"found","bbox_xyxy":[380.7,307.4,720.8,690.7],"positive_points":[[518.8,329.6],[428.6,413],[495.3,599.1],[601,465.7],[693.2,542.6],[564.6,412]],"negative_points":[[551.6,183.3],[323.4,408.3],[781.3,400.9],[531.3,735.2]],"evidence":"目标是画面中央、标题下方的矩形界面，左侧为灰色条纹记录表，右侧为绿色地图。边界框紧贴完整面板外框，涵盖顶栏、表格及地图控件。正点分布于顶栏、表格、地图和控件；负点位于上方标题、左侧路锥、右侧野兔及面板下方白色背景。"}},{"name":"Geotrek-Admin title","description":"The large heading “Geotrek-Admin” above the table-and-map interface, with “Geotrek” in dark purple and “Admin” in coral.","membership":"Include the full heading lettering only. Exclude the pale backing rectangle, white underline, and interface panel below.","id":"obj_044","temporal":{"status":"found","start_s":31.0,"end_s":32.0,"reference_s":31.5,"evidence":"目标是表格和地图界面上方的“Geotrek-Admin”完整标题，其中 Geotrek 为深紫色，Admin 为珊瑚色；仅计入字母。31.00 秒首次完整显示，前一帧 30.75 秒只有浅色背景条，尚无标题文字。最后 qualifying 帧为 31.75 秒，标题仍完整可见，区间延至视频结尾 32.00 秒，无后续帧。选择 31.50 秒作为关键帧，标题清晰完整且无遮挡。","start_frame":744,"end_frame":768,"reference_frame":756},"grounding":{"status":"found","bbox_xyxy":[460.4,168.5,648.4,205.6],"positive_points":[[463.5,188.0],[501.6,200.9],[547.4,181.5],[572.4,193.5],[599.5,183.3],[645.3,195.4]],"negative_points":[[411.5,183.3],[536.5,226.9],[500.0,301.9],[656.3,120.4]],"evidence":"目标为表格与地图界面上方的“Geotrek-Admin”标题，前半深紫色、后半珊瑚色。边界框仅紧贴完整标题字母；六个正点分布于两种颜色的字母笔画上，负点位于浅色底板、白色下划线、下方界面及外围白色背景，均不包含在目标中。"}},{"name":"Location and cycling map card","description":"A separate rectangular map introduced below the worker and left of the main interface, containing pale paths, green land areas, a large blue location pin, and a coral cycling marker.","membership":"Include the complete rectangular map surface and its enclosed paths, land shapes, location pin, and cycling symbol. Exclude the main interface and the other map card below.","id":"obj_045","temporal":{"status":"found","start_s":31.5,"end_s":32.0,"reference_s":31.75,"evidence":"目标是工人下方、主界面左侧的独立矩形地图卡，内有绿色地块、浅色路径、蓝色定位针，随后出现珊瑚色骑行标记。31.25秒卡片仍从画面底部进入并被裁切；31.5秒地图表面和完整边界已建立，内部标记变化不推迟面板起点。最后合格帧为31.75秒，视频在32秒结束，无后续帧。选31.75秒为关键帧，此时定位针和骑行符号均清楚可见，且可与下方另一张地图区分。","start_frame":756,"end_frame":768,"reference_frame":762},"grounding":{"status":"found","bbox_xyxy":[183.9,588.0,368.2,805.6],"positive_points":[[196.4,613.9],[272.4,647.2],[209.4,703.7],[329.2,647.2],[244.3,761.1],[347.4,776.9]],"negative_points":[[520.8,518.5],[161.5,898.1],[156.3,481.5],[390.6,740.7]],"evidence":"目标是工人下方、主界面左侧的独立矩形地图，含蓝色定位图钉和珊瑚色骑行标记。边界框覆盖完整地图卡片；正点分布在地图底面、绿色区域及两个标记上，负点位于主界面、下方另一地图、工人和卡片外白色背景。"}},{"name":"Route map card","description":"A second separate map card entering beneath the location-and-cycling card, with dark-green land, pale background, a thin white route, and a white-outlined circular route point.","membership":"Include the visible rectangular map surface and all enclosed route and land details. Exclude the map card above and surrounding white scene background.","id":"obj_046","temporal":{"status":"found","start_s":31.75,"end_s":32.0,"reference_s":31.75,"evidence":"目标是定位与骑行地图卡下方的第二张独立矩形地图，内含深绿色陆地、细白色路线及白色空心圆点。31.50秒仍从画面底部进入，卡片被边界裁切；31.75秒矩形表面已完整可见，是首个及最后一个合格采样帧，也选作关键帧。区间延续至视频32.00秒结束，没有后续采样帧。","start_frame":762,"end_frame":768,"reference_frame":762},"grounding":{"status":"found","bbox_xyxy":[99.5,813,232.3,992.6],"positive_points":[[108.9,845.4],[164.1,849.1],[194.8,899.1],[144.8,929.6],[114.6,973.1],[216.1,970.4]],"negative_points":[[265.6,725.9],[80.7,899.1],[254.7,918.5],[156.3,788]],"evidence":"目标是左下方位于定位与骑行地图卡下方的第二张地图卡，具有深绿色陆地、浅色底面、白色细路线及圆形路线点。边界框紧贴其可见矩形表面；六个正点分布于卡内陆地、浅色区域和路线点，四个负点位于上方地图卡及周围白色背景。"}}]}
+{"video_id":181,"video_type":"visual design and media animation","targets":[{"name":"Animated audio waveform","description":"A horizontal pink-and-red audio visualization in the center, developing from a dotted line into rounded vertical bars of varying heights before contracting.","membership":"Includes all dots and bars forming the waveform, following their individual outlines. Excludes the surrounding glow, background, and headline above.","id":"obj_001","temporal":{"status":"found","start_s":0.75,"end_s":3.25,"reference_s":1.75,"evidence":"目标是画面中央由粉色和红色圆点、圆头竖条组成的横向音频波形。首个合格帧为0.75秒，已形成完整点列，随后变为高低不同的竖条；最后合格帧为3.00秒，波形整体收缩但结构仍可辨。前一帧0.50秒仅有单个红点，尚未形成波形；后一帧3.25秒已被方形唱片封面图案替代。选择1.75秒作为关键帧，波形展开清晰、无遮挡，易与上方文字及背景光晕区分。","start_frame":18,"end_frame":78,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[80.6,399.1,919.4,652.8],"positive_points":[[90.5,525.9],[279.6,509.3],[468.8,609.3],[500,414.8],[720.4,532.4],[909.5,525.9]],"negative_points":[[500,333.3],[500,713.9],[32.9,525.9],[556,205.6]],"evidence":"目标是画面中央由粉色和红色圆头竖条组成的音频波形。边界框紧贴全部竖条的最左、最右及上下极值，不包含周围光晕。正点分布在左右短条和中央高条的实体上；负点位于波形上方、下方、左侧背景及上方标题文字上。"}},{"name":"Every beat. headline","description":"The upper headline reading “Every beat.”, with “Every” in white and “beat.” in red.","membership":"Includes the complete headline through its progressive reveal and departure. Excludes the waveform and background.","id":"obj_002","temporal":{"status":"found","start_s":1.5,"end_s":3.0,"reference_s":2.0,"evidence":"目标是画面上方的完整“Every beat.”标题，其中“Every”为白色、“beat.”为红色。首个合格帧为1.50秒，文字已全部显现；最后合格帧为2.75秒，标题虽有移动但仍完整。前邻帧1.25秒仅显示“Every”和尚未揭示完整的红色文字；后邻帧3.00秒标题已开始消失，“Every”部分缺失。选择2.00秒作为关键帧，标题清晰完整、无遮挡，便于标注。","start_frame":36,"end_frame":72,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[207,180,793,240],"positive_points":[[220,201],[286,214],[402,202],[536,204],[707,210],[782,219]],"negative_points":[[500,139],[500,282],[148,204],[500,500]],"evidence":"目标是图像上方的“Every beat.”标题，Every为白色，beat.为红色。边界框紧贴完整文字及句点，包含字母y的下伸部分。六个正点分布在白色、红色字形及句点上；负点位于标题外的背景和下方波形上。"}},{"name":"Orange circle album cover","description":"A rounded red-to-orange square bearing one large pale circle and a smaller pale circle below-left. It first appears alone, joins the rotating album stack, and later becomes the second playlist thumbnail.","membership":"Includes the square cover surface, rounded boundary, and both circular designs throughout its movement and resizing. Excludes the record, other covers, shadows, and adjacent playlist information.","id":"obj_003","temporal":{"status":"found","start_s":3.25,"end_s":8.5,"reference_s":3.25,"evidence":"目标是带一大一小浅色圆形的红橙色圆角方形封面，连续经历独立展示、唱片堆叠及缩为播放列表第二项缩略图。首个合格帧为3.25秒；此前3.00秒仍是红色波形，封面尚未建立。最后合格帧为8.25秒，封面虽向左移动但自身仍完整；8.50秒已消失。选择3.25秒作为关键帧，此时封面独立、完整且无遮挡。","start_frame":78,"end_frame":204,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[204,360,796,693],"positive_points":[[263,399],[732,390],[571,493],[370,606],[271,654],[720,648]],"negative_points":[[140,519],[855,519],[493,315],[493,738]],"evidence":"图中独立的红橙色圆角方形封面带有一个大浅色圆和左下方的小浅色圆，与目标描述一致。边界框紧贴完整封面，包含圆角边界及两个圆形图案，不含外部阴影。六个正点分布在封面表面及两个圆内，四个负点位于封面上下左右的外部深色背景。"}},{"name":"Green bars album cover","description":"A rounded green gradient square decorated with four pale ascending bars. Initially behind the orange cover on the left, it moves to the front and later becomes the first playlist thumbnail.","membership":"Includes the cover surface, rounded boundary, and its ascending-bar design. Excludes overlapping covers, the record, shadows, and adjacent playlist information.","id":"obj_004","temporal":{"status":"found","start_s":3.5,"end_s":8.25,"reference_s":5.25,"evidence":"目标是带四根浅色递增竖条的绿色渐变圆角封面。3.50秒首次完整建立，部分被前方橙色封面遮挡；随后移至前景并连续缩小为播放列表首个缩略图。最后合格帧为8.00秒，8.25秒该缩略图已移出画面。开始前的3.25秒仅见橙色封面，尚无绿色封面。选择5.25秒作关键帧，此时绿色封面位于最前方，边界及四根竖条清晰且无遮挡。","start_frame":84,"end_frame":198,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[178,375,714,676],"positive_points":[[238,421],[618,417],[344,553],[478,520],[640,613],[258,645]],"negative_points":[[142,469],[792,516],[930,454],[447,331]],"evidence":"目标是画面中央最前方带四根浅色递增竖条的绿色渐变圆角封面。边界框紧贴其完整可见表面与圆角边缘；正点分布在绿色封面及竖条图案上，负点位于左侧紫色封面、右侧唱片、橙色封面及上方背景，排除重叠对象和阴影。"}},{"name":"Purple ring album cover","description":"A rounded purple-to-blue square featuring a large pale ring and a small pale circle above-right. Initially behind the orange cover on the right, it comes forward and later becomes the third playlist thumbnail.","membership":"Includes the square surface, rounded boundary, ring, and small circle. The area enclosed by the ring remains part of the cover. Excludes other covers, the record, shadows, and adjacent playlist information.","id":"obj_005","temporal":{"status":"found","start_s":3.5,"end_s":8.5,"reference_s":4.75,"evidence":"目标是带浅色大圆环及右上小圆点的紫蓝渐变圆角封面，先在橙色封面右后方，随后移到前景并缩为第三个播放列表缩略图。首个合格帧为3.50秒，封面结构已完整建立，仅被前方封面遮挡；此前3.25秒仅见橙色封面。最后合格帧为8.25秒，紫色缩略图仍完整可见；8.50秒已移出画面。选择4.75秒作为关键帧，此时目标位于前景，边界、圆环和小圆点清楚且无遮挡。","start_frame":84,"end_frame":204,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[245,380,768,673],"positive_points":[[296,412],[692,413],[349,527],[612,463],[311,637],[709,639]],"negative_points":[[156,519],[900,444],[822,528],[510,713]],"evidence":"目标是画面中央最前方的紫蓝渐变圆角专辑封面，带浅色大圆环及右上小圆。边界框紧贴完整封面，包含表面、圆角和图案。正点分布于封面各部及圆环、小圆上；负点位于左侧橙色封面、右侧绿色封面、黑胶唱片和下方外部背景。"}},{"name":"Every mood. headline","description":"The upper headline reading “Every mood.”, with “Every” in white and “mood.” in red, above the album-cover presentation.","membership":"Includes all lettering and punctuation of this headline through its reveal and departure. Excludes the album graphics and background.","id":"obj_006","temporal":{"status":"found","start_s":4.0,"end_s":5.75,"reference_s":4.5,"evidence":"目标为唱片封面上方的“Every mood.”标题，其中“Every”为白色，“mood.”为红色。4.00秒首次显示完整文字及句点，最后合格帧为5.50秒；前一帧3.75秒文字仍在逐字揭示，后一帧5.75秒“Every”已开始淡出离场。选择4.50秒作为关键帧，标题完整清晰、无遮挡。","start_frame":96,"end_frame":138,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[176,180,826,240],"positive_points":[[184,204],[426,226],[505,204],[630,194],[783,206],[814,219]],"negative_points":[[493,148],[493,278],[460,398],[115,204]],"evidence":"目标是唱片封面上方的“Every mood.”标题，前半为白色，后半及句点为红色。边界框紧贴整段文字，包含字母下伸部分和末尾句点；正点分布在不同字母笔画及句点上，负点位于标题外围背景和下方专辑图形上。"}},{"name":"Vinyl record","description":"A dark circular record with concentric grooves, a red center label, and a small black spindle hole. It emerges behind the album covers and is later exposed as they move aside.","membership":"Includes the full circular record surface, outer edge, grooves, and center label, with the spindle opening enclosed by its outline. Excludes overlapping album covers and surrounding shadows.","id":"obj_007","temporal":{"status":"found","start_s":3.75,"end_s":6.0,"reference_s":5.75,"evidence":"目标是带同心沟槽、红色中心标签和黑色轴孔的深色圆形唱片。3.75秒首次可见已成形的唱片，部分被专辑封面遮挡；此前3.50秒仅见封面，未见唱片。最后合格帧为5.75秒，唱片完整露出；6.00秒唱片向右离场，已被画面右边界裁切。选择5.75秒作关键帧，因为唱片无遮挡，外缘、沟槽和中心标签清晰。","start_frame":90,"end_frame":144,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[385,380,896,665],"positive_points":[[633,407],[464,466],[461,575],[674,628],[822,531],[658,501]],"negative_points":[[312,509],[937,509],[637,338],[638,718]],"evidence":"目标是画面中部偏右带同心圆沟槽、红色中心标签和黑色轴孔的深色唱片。边界框紧贴唱片外缘，覆盖完整圆盘及中心标签，不含周围阴影。六个正点分布在唱片各侧表面和红色标签上，四个负点位于圆盘上下左右的外部背景。"}},{"name":"Music playback controls","description":"A compact control group beneath the album stack, comprising two horizontal metadata placeholder strokes, a red-and-gray progress slider with a white knob, and a white circular pause control.","membership":"Includes the two metadata strokes, slider track and knob, and the complete pause button with its enclosed symbol. Excludes the album stack, headline, background, and empty space outside these components.","id":"obj_008","temporal":{"status":"found","start_s":4.0,"end_s":5.75,"reference_s":4.75,"evidence":"目标位于专辑堆叠下方，由两条元数据占位线、带白色滑块的红灰进度条及完整的白色圆形暂停按钮组成。4.00秒首次全部完整呈现，5.50秒为最后符合条件的帧；此前3.75秒尚未出现该控制组，此后5.75秒控制组已开始淡出、白色组���明显变灰。选择4.75秒作为关键帧，各组件清晰完整且无遮挡。","start_frame":96,"end_frame":138,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[158,763,844,895],"positive_points":[[526,770],[464,793],[294,828],[738,828],[563,828],[500,881]],"negative_points":[[190,737],[799,871],[495,634],[624,206]],"evidence":"目标位于专辑堆叠下方，包含两条信息占位横线、红灰进度条及白色滑块、完整圆形暂停按钮。边界框覆盖这些组件的可见范围；六个正点分别落在上述组件上，负点位于外围背景、专辑封面和标题文字上。"}},{"name":"Playlist panel","description":"A four-row music list formed after the album-stack presentation. Each row has a colorful thumbnail, title and subtitle placeholder strokes, and right-side controls; the second row becomes dark-highlighted with red playback information.","membership":"Includes all four rows, their thumbnails, placeholder strokes, menu dots, and the selected row's rounded backing, progress line, playback indicator, and favorite icon. The separately identified album thumbnails and favorite icon remain within this panel. Excludes the headline and background outside the list.","id":"obj_009","temporal":{"status":"found","start_s":6.5,"end_s":8.25,"reference_s":7.5,"evidence":"目标是专辑堆叠后形成的四行播放列表，包含彩色缩略图、标题与副标题占位线及右侧控件。6.50秒四行结构首次完整建立；此前6.25秒仅有三行。第二行随后出现深色圆角底板、红色播放信息和爱心，属于面板内部更新。最后合格帧为8.00秒；8.25秒列表开始向左退出，首行已被画面边界裁切。选择7.50秒作为关键帧，此时四行及选中行控件清晰完整，无明显遮挡。","start_frame":156,"end_frame":198,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[54,393,946,775],"positive_points":[[134,425],[417,416],[647,529],[796,534],[381,626],[141,740]],"negative_points":[[489,201],[486,344],[982,554],[460,825]],"evidence":"目标是标题下方的四行音乐列表，第二行有深色圆角底板和红色播放信息。边框覆盖四行缩略图、占位文字条、菜单点及选中行的进度线、播放指示和爱心。正点分布于各行缩略图、文字条及选中行内容；负点位于上方标题和列表外围背景。"}},{"name":"Every moment. headline","description":"The upper headline reading “Every moment.”, with “Every” in white and “moment.” in red, above the playlist.","membership":"Includes the complete lettering and punctuation through the reveal and departure. Excludes the playlist, highlight panels, and background.","id":"obj_010","temporal":{"status":"found","start_s":6.75,"end_s":8.25,"reference_s":7.5,"evidence":"目标是播放列表上方的“Every moment.”标题，其中“Every”为白色，“moment.”为红色。6.75秒首次显示完整字母及句点，8.00秒为最后合格帧；此前6.50秒仍在逐字揭示，此后8.25秒“Every”已开始淡出并缺失部分字母。选择7.50秒为关键帧，标题完整清晰、无遮挡，便于空间标注。","start_frame":162,"end_frame":198,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[100.3,182.4,901.3,239.8],"positive_points":[[113.5,202.8],[171.1,203.7],[355.3,232.4],[427.6,211.1],[730.3,204.6],[889.8,218.5]],"negative_points":[[485,147],[490,282],[54,207],[411,416]],"evidence":"目标是播放列表上方的“Every moment.”标题，前半为白色，后半及句点为红色。边界框紧贴完整文字与末尾标点，包含字母下伸部分。六个正点分布在两部分文字的笔画及句点上；负点位于标题上方、下方、左侧背景和下方播放列表内容上。"}},{"name":"Selected-track favorite heart","description":"A red heart that appears near the right end of the highlighted second playlist row, immediately left of the small playback bars.","membership":"Includes the filled heart silhouette only. Excludes its brief surrounding burst, the playback bars, and the row backing.","id":"obj_011","temporal":{"status":"found","start_s":7.25,"end_s":8.5,"reference_s":7.5,"evidence":"目标是高亮的第二条播放列表行右端、播放柱左侧的红色实心爱心，不含周围爆发装饰。首个合格帧为7.25秒，爱心轮廓已完整；前一帧7.00秒尚无爱心。最后合格帧为8.25秒，爱心随整行左移但仍完整可见；后一帧8.50秒已消失。选择7.50秒作为关键帧，爱心清晰、无遮挡，且周围爆发装饰已消退。","start_frame":174,"end_frame":204,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[771,524,821,548],"positive_points":[[781,530],[808,530],[780,534],[809,535],[791,539],[796,543]],"negative_points":[[887,532],[750,535],[796,509],[796,562]],"evidence":"目标是高亮的第二行右侧、播放竖条左边的红色爱心。边界框紧贴填充爱心轮廓；六个正点分布在两侧心瓣、中部及下尖端，四个负点位于右侧播放竖条及爱心外围的行��色，不包含周围效果或其他控件。"}},{"name":"YouTube Music emblem","description":"The closing central emblem, revealed as a red circular disk containing a white outlined circle and a white right-pointing play triangle.","membership":"Includes the outer red disk and everything enclosed by it, including the white ring and play triangle throughout their reveal. Excludes the surrounding red glow and the brand text below.","id":"obj_012","temporal":{"status":"found","start_s":9.25,"end_s":11.0,"reference_s":10.25,"evidence":"目标是中央红色圆盘、内部白色圆环及向右的播放三角形，不含外围红光和下方品牌文字。9.25秒首次完整呈现；前一帧9.00秒的白色圆环仍有缺口，尚在绘制。最后合格帧为10.75秒，目标持续完整显示至视频结束11.00秒，之后无采样帧。选择10.25秒作为关键帧，徽标轮廓清晰且无遮挡。","start_frame":222,"end_frame":264,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[358,358,642,518],"positive_points":[[497,370],[385,431],[503,503],[617,438],[500,438],[538,402]],"negative_points":[[312,435],[503,324],[329,593],[691,593]],"evidence":"目标为画面中央、品牌文字上方的红色圆盘，内含白色圆环与向右播放三角。边界框紧贴圆盘外缘，包含其全部内部内容，不含红色光晕及下方文字。正点分布在圆盘、白环和三角上；负点位于圆盘外背景、光晕及下方品牌文字处。"}},{"name":"YouTube Music wordmark","description":"The closing text beneath the emblem reading “YouTube Music”, with “YouTube” in white and “Music” in red.","membership":"Includes all letters of the wordmark through its progressive reveal. Excludes the separate circular emblem, surrounding glow, and background.","id":"obj_013","temporal":{"status":"found","start_s":10.0,"end_s":11.0,"reference_s":10.5,"evidence":"目标是圆形徽标下方的“YouTube Music”字标，其中“YouTube”为白色，“Music”为红色。9.75秒仍在逐字揭示，末尾字母尚未完整显示；10.0秒首次全部呈现，虽字母仍在运动，但结构完整。最后合格帧为10.75秒，字标持续完整可见，因此区间延伸至视频结束11.0秒，之后无采样帧。选择10.5秒作为关键帧，文字清晰、无遮挡且易与上方徽标区分。","start_frame":240,"end_frame":264,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[199,569,801,606],"positive_points":[[212,583],[270,582],[451,585],[577,591],[706,592],[785,582]],"negative_points":[[498,438],[500,538],[164,589],[505,640]],"evidence":"目标是圆形徽标下方完整的“YouTube Music”字标，前半为白色、后半为红色。边界框紧贴全部文字；六个正点分布在两部分的字母笔画上，负点位于独立徽标、文字上方光晕及文字外侧和下方背景，均不包含在目标中。"}}]}
+{"video_id":182,"video_type":"visual design and media animation","targets":[{"name":"Opening lime dot","description":"A small, solid lime-green dot presented alone at the center of the dark opening.","membership":"Includes the filled circular or slightly oval shape and its edge; excludes the dark background.","id":"obj_001","temporal":{"status":"found","start_s":0.0,"end_s":0.5,"reference_s":0.0,"evidence":"目标是深色开场中央单独出现的实心青柠绿小点。首个合格帧为0.00秒，最后为0.25秒，此时略呈椭圆但边缘完整；0.50秒已变为横贯画面的细线，不再是所述圆点。区间到达视频起点，无更早采样帧。选择0.00秒作为关键帧，圆形清晰完整且无干扰。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[492.7,487.0,507.3,513.0],"positive_points":[[497.4,492.6],[502.6,493.5],[495.3,500.9],[500.0,500.0],[504.2,502.8],[499.0,508.3]],"negative_points":[[475.0,500.0],[525.0,500.0],[500.0,455.0],[500.0,545.0]],"evidence":"图像中央独立的实心青柠绿色小圆点符合目标描述。边界框紧贴圆点的可见外缘；六个正点分布在圆点内部，四个负点位于其四周、远离边缘的深色背景上。"}},{"name":"EVERY PRODUCT LOOKS THE SAME. title","description":"Large central uppercase typography progressively revealing “EVERY PRODUCT LOOKS THE SAME.” The opening words are solid white, while “THE SAME.” is outlined.","membership":"Includes all lettering and punctuation in the two-line statement, including areas enclosed by outlined letters; excludes the repeated dark cards behind it.","id":"obj_002","temporal":{"status":"found","start_s":1.5,"end_s":2.5,"reference_s":2.0,"evidence":"目标为中央两行大写标题，EVERY PRODUCT LOOKS 为白色实心字，THE SAME. 为白色描边字，不含背景卡片。首个完整呈现帧为1.50秒，最后合格帧为2.25秒；此前1.25秒仅显示EVERY PRODUCT和LOOKS，整句尚未揭示完成；此后2.50秒标题已被遮罩移除大部分。选择2.00秒作为关键帧，因为整句清晰完整、无遮挡，便于标注。","start_frame":36,"end_frame":60,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[131.3,315.7,877.6,605.6],"positive_points":[[166,373],[447,375],[828.1,388.9],[141.1,564.8],[454.7,555.6],[833.3,486.1]],"negative_points":[[75.5,148.1],[921.9,444.4],[312.5,722.2],[572.9,259.3]],"evidence":"已定位中央两行标题“EVERY PRODUCT LOOKS THE SAME.”，前部为白色实心字，后部为描边字。边界框紧贴全部文字及末尾句点；六个正点分布在两行的实心笔画和描边上，四个负点位于标题外围的暗色卡片或背景，不包含字内空隙。"}},{"name":"Highlighted product card","description":"The card in the third row and sixth column of the dark card grid is selected, becomes bright lime, and enlarges into the central rounded rectangle containing “MOVES.”","membership":"Includes this card’s rounded surface, boundary, and contents throughout its enlargement and color change. Excludes other cards, the pointer, click rings, and the separate text above it.","id":"obj_003","temporal":{"status":"found","start_s":0.75,"end_s":4.5,"reference_s":3.75,"evidence":"目标是暗色网格第三行第六列卡片，随后被选中变为亮青柠色，并放大为含“MOVES.”的圆角矩形。首个合格帧为0.75秒；前一帧0.50秒网格仍在展开揭示，该卡片结构尚未完整显现。最后合格帧为4.25秒，卡片虽放大且内部文字淡化，表面和边界仍完整；4.50秒已扩展为满屏转场，原卡片边界不再完整可见。选择3.75秒作关键帧，卡片轮廓和文字清楚，无指针或其他卡片遮挡。","start_frame":18,"end_frame":108,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[328.1,310.2,671.9,689.8],"positive_points":[[365,380],[629,382],[370,620],[630,621],[462,457],[553,532]],"negative_points":[[493,193],[255,499],[750,503],[500,778]],"evidence":"目标是画面中央包含“MOVES.”的亮青柠色圆角卡片。边界框紧贴卡片完整外缘，包含其表面和文字。六个正点分布在卡片表面及文字笔画上；四个负点位于上方独立文字以及卡片左、右、下方的黑色背景中。"}},{"name":"UNTIL IT title","description":"Bold white uppercase “UNTIL IT” displayed above the enlarged lime card.","membership":"Includes only the text; excludes the lime card and its “MOVES.” content.","id":"obj_004","temporal":{"status":"found","start_s":3.5,"end_s":4.25,"reference_s":3.75,"evidence":"目标是放大青柠色卡片上方的白色粗体大写“UNTIL IT”，不含卡片及“MOVES.”。首个合格帧为3.50秒，文字已完整显示；最后合格帧为4.00秒。前邻帧3.25秒只有卡片动画，尚无该标题；后邻帧4.25秒标题已消失，仅见放大的卡片。选择3.75秒作为关键帧，标题清晰完整且无遮挡。","start_frame":84,"end_frame":102,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[377.1,149.1,628.1,236.1],"positive_points":[[383.3,185.2],[430.7,192.6],[493.8,192.6],[539.6,195.4],[581.8,194.4],[609.4,194.4]],"negative_points":[[500,92.6],[333.3,203.7],[468.8,361.1],[552,485]],"evidence":"目标是青柠色卡片上方的白色大写“UNTIL IT”。边界框紧贴整段标题文字，包含字符间隙；六个正点分布在标题不同字母的实心笔画上，负点位于标题外黑色背景、青柠色卡片及其“MOVES.”文字上。"}},{"name":"Orange motion circle","description":"A large orange-red disk introduced in the upper-left portion of the cream motion-design composition, then repositioned behind the animated lettering.","membership":"Includes the circular filled shape and its edge, retaining its extent where text overlaps it; excludes the overlapping text and other shapes.","id":"obj_005","temporal":{"status":"found","start_s":4.75,"end_s":7.0,"reference_s":4.75,"evidence":"目标是奶油色 motion-design 构图中的橙红色实心圆盘，最初位于左上方，随后移动到 MOTION 字母后方。首个合格帧为4.75秒，圆盘及边缘已完整呈现；最后合格帧为6.75秒。此前4.50秒是荧光绿背景上的浅色圆形过渡，尚未出现该橙红圆盘；此后7.00秒已切换为UI界面，目标消失。选择4.75秒作为关键帧，因为圆盘完整且没有文字遮挡。","start_frame":114,"end_frame":168,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[123.96,137.96,364.06,564.81],"positive_points":[[239.6,194.4],[167.2,277.8],[302.1,282.4],[156.3,412],[265.6,444.4],[237.5,521.3]],"negative_points":[[93.8,347.2],[416.7,370.4],[781.3,231.5],[781.3,694.4]],"evidence":"目标是画面左上方的大型橙红色实心圆盘。边界框紧贴圆盘的完整可见外缘；六个正点分布在圆盘内部的上、中、下部，四个负点位于圆外奶油色背景、右上黄色三角形及右下蓝色方形上。"}},{"name":"Yellow motion triangle","description":"A solid yellow triangle initially near the upper right of the cream composition, rotating and moving to other positions around “MOTION.”","membership":"Includes the triangular surface and its three-sided outline; excludes nearby text, dot patterns, and other shapes.","id":"obj_006","temporal":{"status":"found","start_s":4.75,"end_s":7.0,"reference_s":4.75,"evidence":"目标是奶油色“MOTION”构图中的实心黄色三角形，随后旋转并移动到其他位置。首个合格帧为4.75秒，三角形已完整呈现；前一帧4.50秒只有绿色背景和浅色圆形，尚无该三角形。最后合格帧为6.75秒；下一帧7.00秒切换为UI交互场景，目标消失。选择4.75秒作为关键帧，因为三角形位于右上方，轮廓清晰且未被文字遮挡。","start_frame":114,"end_frame":168,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[724,32.4,900,372.2],"positive_points":[[771,90],[755,320],[872,285],[780,205],[812,245],[798,166]],"negative_points":[[690,260],[890,150],[785,690],[245,350]],"evidence":"目标是画面右上方的实心黄色三角形，边界框紧贴其三个顶点及可见边缘。六个正点分布在三角形内部的上部、中部和底边附近；四个负点位于外围奶油色背景、右下蓝色方块和左侧红橙色圆形上，排除其他对象。"}},{"name":"Blue motion square","description":"A vivid blue square initially in the lower-right portion of the cream composition, later moving and rotating around the title.","membership":"Includes the square’s surface and boundary through rotation and movement; excludes overlaid lettering and surrounding graphics.","id":"obj_007","temporal":{"status":"found","start_s":4.75,"end_s":7.0,"reference_s":4.75,"evidence":"目标是奶油色构图中最初位于右下方、随后围绕“MOTION”标题移动和旋转的鲜蓝色方块。首个合格帧为4.75秒，表面与边界完整；最后合格帧为6.75秒，方块位于右上方。此前4.50秒仅见绿色背景和浅色圆形，尚无蓝色方块；此后7.00秒已切换至UI交互场景。选择4.75秒作为关键帧，因方块完整清晰，且没有文字遮挡。","start_frame":114,"end_frame":168,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[694.3,552.8,864.1,855.6],"positive_points":[[722,605],[827,584],[757,698],[842,738],[727,821],[827,820]],"negative_points":[[670,710],[887,760],[786,520],[791,240]],"evidence":"目标是画面右下方略微旋转的鲜蓝色实心正方形。边界框紧贴其四个顶点的可见范围；六个正点分布于蓝色表面的不同部位，负点位于周围奶油色背景及上方独立的黄色三角形上。"}},{"name":"Black motion semicircle","description":"A large solid black semicircular shape entering from the lower left, then moving and rotating around the cream motion-design layout.","membership":"Includes the filled semicircle bounded by its straight diameter and curved edge; excludes adjacent rules, lettering, and other shapes.","id":"obj_008","temporal":{"status":"found","start_s":5.0,"end_s":7.0,"reference_s":6.25,"evidence":"目标是奶油色动效布局中由直径边和弧边围成的实心黑色半圆，随后移动并旋转。5.00秒首次完整可见，6.75秒为最后合格帧；此前4.75秒仍从左下方入场并被画面底边裁切，之后7.00秒已切换为UI场景，半圆消失。选择6.25秒作为关键帧，此时半圆位于右下方，轮廓完整清晰，与文字及其他形状易于区分。","start_frame":120,"end_frame":168,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[645.83,712.96,875,916.67],"positive_points":[[661.46,731.48],[847.92,743.52],[757.81,740.74],[698.96,809.26],[806.25,839.81],[750,890.74]],"negative_points":[[619.79,787.04],[895.83,791.67],[760.42,671.3],[911.46,915.74]],"evidence":"目标是画面右下方的实心黑色半圆，水平直径在上、弧边朝下。边界框紧贴半圆的直径及弧形外缘，不包含底部横线。六个正点分布于半圆内部不同部位；负点位于左右及上方的米色背景，以及远离半圆的底部横线上。"}},{"name":"MOTION title","description":"Oversized black “MOTION” lettering across the cream composition, with the first O outlined and the letters changing alignment and proportions.","membership":"Includes the letters, their outlines, and enclosed letter areas throughout their movement and deformation; excludes colored shapes and the independent black bar crossing the word.","id":"obj_009","temporal":{"status":"found","start_s":5.25,"end_s":7.0,"reference_s":6.75,"evidence":"目标是奶油色背景上的超大黑色“MOTION”标题，首个 O 为空心描边，不包含彩色形状或独立黑条。5.25 秒首次完整呈现全部字母，之后的错位和变形仍属同一标题，最后合格帧为 6.75 秒。前一帧 5.00 秒字母尚未全部入场，上方仍有裁切；后一帧 7.00 秒已切换为 UI 界面，标题消失。选择 6.75 秒作为关键帧，因为字母完整清楚，独立黑条已移至右下方，便于区分。","start_frame":126,"end_frame":168,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[134.4,375,878.6,611.1],"positive_points":[[150.5,500],[366.7,378.7],[489.1,420],[566.1,490.7],[658.9,420.4],[759.4,490.7]],"negative_points":[[854.2,213],[502.1,342.6],[181.3,708.3],[854.2,780.6]],"evidence":"目标是横跨画面中央的“MOTION”六个字母，首个O为双轮廓线。边界框紧贴整组字母的最外缘，不含左上黑色半圆及其他装饰。六个正点分别落在六个字母的实际笔画上；负点位于蓝色方块、橙红圆形露出部分、黄色三角形和右下独立黑色斜条上。"}},{"name":"Animated black bar","description":"A thick black straight bar that crosses “MOTION” horizontally, rotates vertically through its center, and later moves diagonally toward the lower right.","membership":"Includes only the solid rectangular bar through its rotations and translations; excludes the title, semicircle, and thin layout rules.","id":"obj_010","temporal":{"status":"found","start_s":5.0,"end_s":7.0,"reference_s":6.75,"evidence":"目标是穿过“MOTION”的粗黑实心矩形条，随后转为竖直并移向右下方呈斜向。首个合格帧为5.00秒，条形结构已完整；前一帧4.75秒仅有细布局线，没有该粗条。最后合格帧为6.75秒，粗条仍完整可见；后一帧7.00秒切换至UI场景，目标消失。选择6.75秒作为关键帧，因粗条位于右下方，与标题及其他黑色图形分离，轮廓清晰。","start_frame":120,"end_frame":168,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[756.25,600,956.25,955.56],"positive_points":[[941.67,625.93],[906.25,688.89],[869.79,753.7],[834.38,816.67],[801.04,875.93],[769.79,931.48]],"negative_points":[[890,916.67],[862,500],[802,731],[850,220]],"evidence":"目标是右下方由左下向右上倾斜的粗黑矩形条。边界框紧贴其四个端角，覆盖整根斜条；六个正点沿条内分散放置，负点位于底部细布局线、标题字母、外部米色背景和蓝色方块上，排除这些非目标内容。"}},{"name":"Motion principles caption","description":"The small, widely spaced caption “SHAPE · RHYTHM · TIMING · WEIGHT” near the bottom of the cream motion-design composition.","membership":"Includes the complete caption and separators; excludes the horizontal rule beneath it and any shapes passing over it.","id":"obj_011","temporal":{"status":"found","start_s":5.5,"end_s":7.0,"reference_s":6.25,"evidence":"目标是奶油色动效构图底部、横线之上的疏排小字“SHAPE · RHYTHM · TIMING · WEIGHT”。5.25秒文字仍在淡入；5.5秒已完成显现，部分被黑色半圆遮挡，随后完整可见。最后符合条件的帧为6.75秒，7.0秒已切换到UI交互场景，字幕消失。选择6.25秒作为关键帧，整句及分隔点清晰可辨。","start_frame":132,"end_frame":168,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[41.67,872.22,332.29,888.89],"positive_points":[[53.13,880.56],[111.98,880.56],[196.88,875],[232.81,880.56],[272.4,875.93],[328.13,875]],"negative_points":[[62.5,833.33],[400,916.67],[260.42,787.04],[364.58,879.63]],"evidence":"目标是画面底部的“SHAPE · RHYTHM · TIMING · WEIGHT”小字标题。边界框覆盖整行文字及分隔符，不含下方横线和圆点图形。六个正点分布于各词的字形笔画；负点位于外围圆点、下方横线、蓝色方块及右侧空白背景。"}},{"name":"CLICK. SLIDE. FOLD. instruction block","description":"A large left-aligned instruction block in the light UI demonstration, progressively adding “CLICK.”, “SLIDE.”, and “FOLD.” while switching earlier words from blue fill to black outlines.","membership":"Includes all three words and their punctuation as they appear, including enclosed areas of outlined letters; excludes the dotted background and adjacent interface panels.","id":"obj_012","temporal":{"status":"found","start_s":8.25,"end_s":9.25,"reference_s":8.75,"evidence":"目标是浅色 UI 演示左侧的三行指令文字，包含黑色描边的“CLICK.”、“SLIDE.”及蓝色实心的“FOLD.”。8.25 秒三词及标点首次完整呈现，9.00 秒为最后合格帧；前一帧 8.00 秒尚无“FOLD.”，后一帧 9.25 秒黑色阶梯遮罩已移除大部分文字。选择 8.75 秒作为关键帧，三行文字清晰完整，且不受遮挡。","start_frame":198,"end_frame":222,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[50.5,249.1,335.4,717.6],"positive_points":[[121.9,296.3],[257.3,298.1],[110.9,473.1],[249.0,477.8],[68.2,656.5],[231.3,655.6]],"negative_points":[[208.3,200.0],[203.1,783.3],[390.6,472.2],[572.9,685.2]],"evidence":"目标是左侧三行“CLICK. SLIDE. FOLD.”指令文字，前两行为黑色轮廓，末行为蓝色实心。边界框紧贴全部三行及句点；六个正点分布在三行字母笔画或其轮廓包围区域，四个负点位于文字上方、下方、右侧的外部背景及相邻界面面板。"}},{"name":"Workspace panel","description":"A large white rounded panel on the right titled “Workspace,” containing an Auto-arrange toggle, Spacing slider, twelve pill-shaped items, and a blue “Fold →” button. Its items change from loosely placed neutral pills to aligned color-coded columns.","membership":"Includes the panel’s surface, rounded boundary, header, controls, labels, items, and colored column bars. The separately identified slider and Fold button remain part of this region. Excludes the external chart, success notification, pointer, shadows, and interaction rings.","id":"obj_013","temporal":{"status":"found","start_s":7.0,"end_s":9.25,"reference_s":9.0,"evidence":"目标是右侧标题为“Workspace”的白色圆角面板，包含自动排列开关、间距滑块、十二个胶囊项及“Fold →”按钮。7.0秒首次完整出现，至9.0秒仍完整可见；内部项目由松散中性色变为彩色对齐列，不影响面板连续性。前一帧6.75秒为几何图形与“MOTION”文字，没有该面板；后一帧9.25秒黑色阶梯遮罩已开始移除面板。选择9.0秒为关键帧，面板边界清晰、内容完整且无指针遮挡。","start_frame":168,"end_frame":222,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[489.1,162,938,838],"positive_points":[[574,213],[551,307],[744,384],[659,562],[548,716],[869,771]],"negative_points":[[833,106],[394,871],[276,443],[963,520]],"evidence":"目标为右侧标题为“Workspace”的白色圆角面板。边界框紧贴面板可见外缘，包含标题、开关、滑块、十二个胶囊项、彩色横条及 Fold 按钮，不含阴影。正点分布于标题、控件、项目、面板空白表面和按钮；负点位于上方成功通知、左下外部图表、左侧大字及右侧外部背景。"}},{"name":"Spacing slider","description":"The horizontal control labeled “Spacing” inside Workspace. Its blue-and-gray track has a circular handle that moves right, with temporary value readouts such as “33” and “87.”","membership":"Includes the Spacing label, complete track, and circular handle. Excludes the surrounding panel surface, floating value boxes, pointer, and click or drag rings.","id":"obj_014","temporal":{"status":"found","start_s":7.0,"end_s":9.5,"reference_s":9.0,"evidence":"目标为 Workspace 内由“Spacing”标签、蓝灰色完整轨道和圆形滑块组成的控件，不包含数值框、指针或交互光圈。首个合格帧为7.00秒，前一帧6.75秒仍是动态图形场景。最后合格帧为9.25秒：面板虽已被阶梯遮罩部分覆盖，但目标自身仍完整可见；9.50秒切换至品牌标志场景，目标消失。选择9.00秒作为关键帧，标签、轨道和滑块清楚完整，且无指针或数值框干扰。","start_frame":168,"end_frame":228,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[510.4,368.5,875,402.8],"positive_points":[[513,380.6],[550,384.3],[625,385.2],[739.6,385.2],[849,385.2],[870.3,385.2]],"negative_points":[[599,347.2],[729.2,419.4],[893.2,385.2],[546.9,306.5]],"evidence":"目标是 Workspace 内标有“Spacing”的水平滑块。边界框覆盖完整标签、蓝灰色轨道及圆形滑柄；正点分布在文字笔画、轨道不同位置和滑柄上，负点位于控件外围面板空白及上方 Auto-arrange 标签处，不包含内部文字间隙。"}},{"name":"Fold button","description":"The blue pill-shaped “Fold →” button at the lower right of Workspace, activated before the items settle into aligned columns.","membership":"Includes the button’s blue surface, rounded boundary, label, and arrow; excludes the pointer and surrounding activation rings.","id":"obj_015","temporal":{"status":"found","start_s":7.0,"end_s":9.5,"reference_s":9.0,"evidence":"目标是 Workspace 右下角蓝色胶囊形“Fold →”按钮，不含指针及激活圆环。7.0 秒首次完整显示，前一帧 6.75 秒仍是 MOTION 场景，没有该按钮。最后合格帧为 9.25 秒：虽然黑色遮罩已覆盖场景左上部，按钮自身仍完整可见；9.5 秒已切换至品牌标志场景，按钮消失。选择 9.0 秒作为关键帧，按钮边界和文字清晰，且没有指针或激活圆环遮挡。","start_frame":168,"end_frame":228,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[820.8,737,916.7,803.7],"positive_points":[[831,769],[844,752],[859,771],[883,772],[905,765],[889,791]],"negative_points":[[799,767],[870,707],[929,772],[868,823]],"evidence":"目标是 Workspace 面板右下角标有“Fold →”的蓝色胶囊按钮。边界框紧贴按钮的可见圆角轮廓，覆盖蓝色表面、文字和箭头。六个正点分布于按钮各处，四个负点位于按钮四周的白色面板背景上。"}},{"name":"Small bar-chart card","description":"A smaller white rounded card below and to the left of Workspace, containing six alternating blue and coral bars of different heights and a short gray header mark.","membership":"Includes the card surface, boundary, header mark, and all six bars, including portions partly hidden by Workspace. Excludes its shadow and the larger panel.","id":"obj_016","temporal":{"status":"found","start_s":7.0,"end_s":9.5,"reference_s":9.0,"evidence":"目标是 Workspace 左下方的小白色圆角卡片，含短灰色标题线及六根蓝色、珊瑚��交替的柱条，右上部被大面板遮挡。首个合格帧为 7.00 秒，前一帧 6.75 秒仍是 MOTION 图形场景。最后合格帧为 9.25 秒：阶梯遮罩虽已覆盖场景其他部分，但尚未遮住该卡片；9.50 秒切换为品牌标志，卡片消失。选择 9.00 秒作为关键帧，卡片边界和六根柱条清晰可辨。","start_frame":168,"end_frame":228,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[311.5,742.6,500.5,937],"positive_points":[[359,771],[325,803],[339,881],[366,861],[446,856],[474,891]],"negative_points":[[522,789],[285,829],[404,963],[257,658]],"evidence":"目标是 Workspace 左下方带灰色短横和六根蓝珊瑚交替柱的小白色圆角卡片。框紧贴卡片可见外缘，不包含阴影，也不推测被大面板遮挡的边界。正点分布在卡面、灰色标题标记及不同柱条上；负点位于大面板、卡片外背景、下方阴影区域和左侧大字上。"}},{"name":"Arranged success notification","description":"A black rounded notification above Workspace reading “Arranged,” preceded by a lime circle containing a check mark.","membership":"Includes the complete notification surface, rounded boundary, check icon, and text; excludes the Workspace panel below it.","id":"obj_017","temporal":{"status":"found","start_s":8.75,"end_s":9.5,"reference_s":9.0,"evidence":"目标是 Workspace 上方的黑色圆角“Arranged”通知，包含青柠色圆形勾选图标和白色文字。首个合格帧为8.75秒，最后为9.25秒；9.25秒虽有阶梯状转场，通知本身仍完整可见。前一帧8.50秒尚无通知，后一帧9.50秒已切换为品牌标志场景。选择9.00秒作为关键帧，通知完整清晰且无遮挡。","start_frame":210,"end_frame":228,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[779.2,77.8,886.5,134.3],"positive_points":[[800.5,105.6],[822.9,106.5],[866.7,106.5],[834.4,86.1],[838,125.9],[784.4,105.6]],"negative_points":[[833.3,53.7],[833.3,150],[796.9,210.2],[908.3,104.6]],"evidence":"目标是 Workspace 面板上方带青柠色勾选图标和“Arranged”文字的黑色圆角通知。边界框紧贴完整通知，包含底色、圆角、图标与文字；正点分布于图标、文字及黑色表面，负点位于通知外背景和下方被排除的 Workspace 面板。"}},{"name":"Animated circular brand mark","description":"A central brand symbol on black, formed from orange, pink, and purple circular segments. It develops a white rounded triangular outline in its center and rotates before smaller versions populate the background.","membership":"Includes the central mark’s colored segments and triangular outline, with the areas enclosed by its closed components. Follows the actual segmented outline and excludes external gaps, surrounding copies, and the background.","id":"obj_018","temporal":{"status":"found","start_s":9.75,"end_s":10.25,"reference_s":10.0,"evidence":"目标是黑底中央由橙、粉、紫色圆弧分段及白色圆角三角轮廓组成的品牌标志。9.75秒首次完整呈现，10.0秒为最后合格帧；此前9.5秒中央三角轮廓尚未显现，之后10.25秒主标志开始淡出，周围出现较小副本。选择10.0秒作为关键帧，标志结构完整清晰，且无副本遮挡。","start_frame":234,"end_frame":246,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[411.5,342.6,588.5,657.4],"positive_points":[[449.5,398.1],[506.8,370.4],[575.5,550.9],[509.4,643.5],[463.5,500],[520.8,537]],"negative_points":[[385.4,500],[614.6,500],[500,296.3],[500,708.3]],"evidence":"目标是画面中央由橙、粉、紫渐变圆形分段与白色圆角三角轮廓组成的品牌标志。边界框紧贴标志的可见外缘；六个正点分布于彩色分段和白色三角轮廓，四个负点位于标志四周的外部黑色背景，不标记内部空隙。"}},{"name":"Identity, in motion. title","description":"A centered two-line statement with white italic serif “Identity,” above bold “in motion.” rendered in an orange-to-pink-to-purple gradient.","membership":"Includes both lines and their punctuation as one text block; excludes the repeated brand marks behind it.","id":"obj_019","temporal":{"status":"found","start_s":11.0,"end_s":11.75,"reference_s":11.25,"evidence":"目标为居中的双行标题：白色斜体衬线“Identity,”及橙—粉—紫渐变粗体“in motion.”，不含背景重复标志。首个完整呈现帧为11.00秒，最后合格帧为11.50秒；此前10.75秒第二行仍在揭示、被遮去大部分，此后11.75秒标题已开始淡出。选择11.25秒作为关键帧，两行文字完整清晰、无遮挡。","start_frame":264,"end_frame":282,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[239.6,297.2,763,656.5],"positive_points":[[323.4,379.6],[535,400],[663,379.6],[253.1,595.4],[433.9,591.7],[724,602.8]],"negative_points":[[194.8,344.4],[806.3,344.4],[457.8,810.2],[632.8,190.7]],"evidence":"目标为中央两行标题：上行白色斜体“Identity,”，下行橙粉紫渐变粗体“in motion.”。边界框覆盖两行全部文字及标点；六个正点分布在两行的实际字形笔画上，四个负点位于标题外围的重复品牌图案上，排除背景标志。"}},{"name":"STORY title","description":"Large lime uppercase “STORY” centered over a dark pattern of outlined words and four-point symbols, scaling down during its presentation.","membership":"Includes the word’s lettering and enclosed letter areas; excludes the patterned background.","id":"obj_020","temporal":{"status":"found","start_s":12.0,"end_s":12.5,"reference_s":12.25,"evidence":"目标为深色描边单词与四角符号背景上的亮绿色大写“STORY”。首个合格帧为12.00秒，文字完整且未被边界裁切；12.25秒缩小后仍完整，是最后合格帧。前一帧11.75秒显示“Identity, in motion.”，后一帧12.50秒已替换为“SCROLL”。选择12.25秒作为关键帧，文字轮廓清晰、无遮挡且四周留白充分。","start_frame":288,"end_frame":300,"reference_frame":294},"grounding":{"status":"found","bbox_xyxy":[155.2,331.5,861,631.5],"positive_points":[[207.3,361.1],[242.2,596.3],[345.3,454.6],[535.9,565.7],[614.6,503.7],[796.9,545.4]],"negative_points":[[130.2,740.7],[494.8,213],[895.8,490.7],[599,861.1]],"evidence":"目标是画面中央醒目的青柠色大写“STORY”。边界框紧贴完整单词的可见外缘，覆盖全部字母及其围合区域。六个正点分布在五个字母的实心笔画上；四个负点位于标题外围的暗色文字与符号背景，避开字母内部及字间空隙。"}},{"name":"STOP title","description":"Large black uppercase “STOP” centered on a lime rectangular backing in the kinetic-type sequence.","membership":"Includes only the lettering and enclosed letter areas; excludes the lime backing rectangle and background pattern.","id":"obj_021","temporal":{"status":"found","start_s":12.75,"end_s":13.0,"reference_s":12.75,"evidence":"12.75秒画面中，青柠色矩形上完整显示居中的黑色大写“STOP”，目标仅为字母及其封闭区域，不含底板。首个与最后一个合格采样帧均为12.75秒；前一帧12.50秒显示“SCROLL”，后一帧13.00秒已替换为“LOOK”。选择12.75秒作为关键帧，因为字形完整清晰、无遮挡。","start_frame":306,"end_frame":312,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[263.5,346.3,747.9,604.6],"positive_points":[[291.7,416.7],[322.9,569.4],[427.1,476.9],[604.2,476.9],[653.6,537.0],[713.5,388.9]],"negative_points":[[416.7,638.9],[520.8,328.7],[833.3,509.3],[156.3,555.6]],"evidence":"目标是画面中央荧光绿矩形上的黑色大写“STOP”。边界框紧贴四个字母的整体可见范围，不包含绿色底板；正点分布在各字母的黑色笔画上，负点位于文字外的绿色底板及外围背景，避开字母内部封闭区域和字间空隙。"}},{"name":"LOOK title","description":"Large white outlined uppercase “LOOK” replacing the previous word in the kinetic-type sequence.","membership":"Includes the letter outlines and the areas each outlined letter encloses; excludes the patterned background.","id":"obj_022","temporal":{"status":"found","start_s":13.0,"end_s":13.25,"reference_s":13.0,"evidence":"13.00秒画面中央出现完整的大号白色描边大写“LOOK”，与背景的倾斜重复文字可明确区分；这是首个也是最后一个符合条件的采样帧。前一帧12.75秒为“STOP”，后一帧13.25秒已替换为“FEEL”。选择13.00秒作为关键帧，字母轮廓完整清晰且无遮挡。","start_frame":312,"end_frame":318,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[147.4,296.3,888.5,661.1],"positive_points":[[149,463],[239.6,648.1],[268.2,478.7],[582.8,299.1],[700.5,384.3],[849,649.1]],"negative_points":[[234,176],[85,740],[580,890],[940,470]],"evidence":"目标是画面中央大型白色描边标题“LOOK”。边界框紧贴四个字母的可见外缘，包含描边及其围合区域。六个正点分布于L、两个O和K的白色轮廓上；四个负点位于标题外侧的暗色图案背景，避开字母内部和字间空隙。"}},{"name":"FEEL title","description":"Widely spaced, solid white uppercase “FEEL” centered in the kinetic-type sequence.","membership":"Includes the four letters; excludes the outlined background words and symbols.","id":"obj_023","temporal":{"status":"found","start_s":13.25,"end_s":13.5,"reference_s":13.25,"evidence":"13.25秒画面中央出现完整、宽字距的实心白色大写“FEEL”，四个字母均已揭示，为首个也是最后一个符合条件的采样帧；不包含背景描边文字和符号。前一帧13.00秒显示“LOOK”，后一帧13.50秒已替换为粉色“CLICK”。选择13.25秒作为关键帧，目标清晰完整且无遮挡。","start_frame":318,"end_frame":324,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[267.2,363.0,726.6,606.5],"positive_points":[[283.9,537.0],[325.5,388.9],[404.7,481.5],[554.7,388.9],[572.9,578.7],[692.7,583.3]],"negative_points":[[501.6,296.3],[825.5,527.8],[208.3,694.4],[625.0,675.9]],"evidence":"目标是画面中央实心白色大写“FEEL”。边界框紧贴四个字母的整体外缘，包含字母间距；六个正点分布在四个字母的白色笔画上，四个负点位于标题外的暗色背景、描边文字或符号区域，不包含标题内部空隙。"}},{"name":"CLICK title","description":"Large italic uppercase “CLICK” in bright magenta, independently presented in the kinetic-type sequence.","membership":"Includes the magenta lettering and enclosed letter areas; excludes the background pattern.","id":"obj_024","temporal":{"status":"found","start_s":13.5,"end_s":14.0,"reference_s":13.5,"evidence":"目标为动态字体段落中独立呈现的亮洋红色斜体大写“CLICK”，不含背景图案。13.50秒首次完整显示，13.75秒仍完整显示，为最后合格帧；前一帧13.25秒显示白色“FEEL”，后一帧14.00秒已替换为绿色“SHARE”。选择13.50秒作为关键帧，因为字形清晰完整且无遮挡。","start_frame":324,"end_frame":336,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[194.3,562.9,829.2,848.1],"positive_points":[[227.6,696.3],[284.4,600],[375.5,711.1],[486.5,666.7],[546.9,717.6],[757.8,645.4]],"negative_points":[[599,305.6],[130.2,685.2],[533.9,910.2],[901,731.5]],"evidence":"目标是画面中下部独立呈现的亮洋红色斜体大写“CLICK”。边界框紧贴完整五个字母的可见范围；六个正点分布在各字母的实心笔画上，四个负点位于标题上方、左侧、下方和右侧的背景图案区域，避开字间空隙及字母内部。"}},{"name":"SHARE title","description":"Large lime uppercase “SHARE,” shown with a slight tilt as the next independent kinetic title.","membership":"Includes the lettering and enclosed letter areas through its tilt; excludes the background pattern.","id":"obj_025","temporal":{"status":"found","start_s":14.0,"end_s":14.25,"reference_s":14.0,"evidence":"14.00秒出现完整的亮黄绿色大写“SHARE”，字样略微倾斜，与背景描边文字图案区分明确；这是首次也是最后一帧符合条件的画面。前一帧13.75秒为粉色“CLICK”，后一帧14.25秒已替换为白色“REMEMBER.”。选择14.00秒作为关键帧，因为目标 lettering 完整、清晰且无遮挡。","start_frame":336,"end_frame":342,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[163.0,306.5,849.0,660.2],"positive_points":[[218.8,444.4],[317.7,500.0],[511.5,527.8],[635.4,444.4],[703.1,564.8],[786.5,435.2]],"negative_points":[[130.2,416.7],[520.8,185.2],[520.8,768.5],[906.3,463.0]],"evidence":"目标为画面中央略微倾斜的大号青柠色“SHARE”。边界框紧贴完整五个字母的可见外缘，包含字母围合区域；六个正点分布在各字母的实色笔画上，四个负点位于标题外围的暗色背景及背景图案处。"}},{"name":"REMEMBER. title","description":"A wide, bold white uppercase “REMEMBER.” statement centered in the kinetic-type sequence.","membership":"Includes all letters and the final period; excludes the outlined words and decorative symbols behind it.","id":"obj_026","temporal":{"status":"found","start_s":14.25,"end_s":14.75,"reference_s":14.25,"evidence":"目标为居中的粗体大写“REMEMBER.”及句点，不含背景轮廓文字和符号。首个合格帧为14.25秒，白色标题完整呈现；最后合格帧为14.50秒，标题随画面反色变黑，但仍是同一完整对象。前一帧14.00秒显示“SHARE”，后一帧14.75秒已切换为广告产品场景。选择14.25秒作为关键帧，标题清晰无遮挡且符合白色外观描述。","start_frame":342,"end_frame":354,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[129.2,400.9,882.8,576.9],"positive_points":[[143.8,481.5],[304.2,488.0],[452.6,557.4],[588.0,491.7],[784.4,484.3],[868.8,550.9]],"negative_points":[[181,312],[683,228],[401,734],[888,846]],"evidence":"目标为画面中央粗体白色“REMEMBER.”。边界框紧密覆盖全部字母及末尾句点；六个正点分布在横跨标题的字母实笔画和句点上，四个负点位于标题外的暗色描边文字或装饰符号区域。"}},{"name":"EVERY FORMAT. title","description":"Large white uppercase “EVERY FORMAT.” across the upper portion of the dark teal advertising-format demonstration.","membership":"Includes the complete title and punctuation through its progressive reveal; excludes the product card below it.","id":"obj_027","temporal":{"status":"found","start_s":15.25,"end_s":16.5,"reference_s":15.5,"evidence":"目标是深青色广告展示场景上方的白色大写标题“EVERY FORMAT.”，不包括下方产品卡片。15.25秒首次完整显示文字及句点，最后合格帧为16.25秒。此前15.00秒的“FORMAT”仍在揭示、下部被遮挡；此后16.50秒已替换为“EVERY FEED.”。选择15.50秒作为关键帧，标题完整清晰且无遮挡。","start_frame":366,"end_frame":396,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[170.8,83.3,837,206.5],"positive_points":[[182.3,138.9],[245.8,183.3],[353.6,99.1],[533.3,98.1],[642.7,152.8],[830.2,188.9]],"negative_points":[[127.6,59.3],[500,277.8],[500,444.4],[885.4,157.4]],"evidence":"目标是画面上方白色大写标题“EVERY FORMAT.”，边界框紧贴完整标题并包含末尾句点。六个正点分布在各处字母笔画及句点上；负点位于左上角小字、标题外的深青色背景及下方黄色产品卡上，排除这些非目标内容。"}},{"name":"Adaptive YOUR PRODUCT card","description":"A yellow rounded advertising card centered on dark teal, with black “YOUR PRODUCT” text and horizontal placeholder lines. It changes from landscape to square to portrait proportions.","membership":"Includes the yellow card surface, rounded boundary, text, and internal lines throughout its resizing; excludes the separate aspect-ratio label, heading, background, and shadow.","id":"obj_028","temporal":{"status":"found","start_s":15.0,"end_s":17.0,"reference_s":15.25,"evidence":"目标是深青色背景中央的黄色圆角广告卡，含黑色文字和横向占位线。15.0秒首次完整清晰呈现；此前14.75秒仍在淡入。卡片随后由横版变为方形、竖版，16.25秒起中央黄色卡的内部文字改为“Before → after.”，但卡面连续保留，至最后采样帧16.75秒仍完整可见，因此延续至视频末尾17.0秒，无后续帧。选择15.25秒作为关键帧，此时“YOUR PRODUCT”卡片无遮挡、边界清楚。","start_frame":360,"end_frame":408,"reference_frame":366},"grounding":{"status":"found","bbox_xyxy":[291.7,379.6,708.3,798.1],"positive_points":[[319,438],[670,454],[334,704],[652,751],[460,546],[539,620]],"negative_points":[[487,845],[529,150],[239,584],[568,827]],"evidence":"目标是画面中央带黑色“YOUR PRODUCT”文字及横向占位线的黄色圆角广告卡。边界框紧贴黄色卡片的可见边缘，包含表面、文字和内部线条，不含阴影。六个正点分布于卡片各部及文字处；负点位于下方比例标签、上方标题、左侧背景及卡片下方阴影区。"}},{"name":"Aspect-ratio label","description":"The compact label beneath the adaptive product card, updating from “16 : 9” to “1 : 1” and then “9 : 16.”","membership":"Includes the current ratio text and separator as one reading unit; excludes the yellow card above it.","id":"obj_029","temporal":{"status":"found","start_s":15.0,"end_s":16.25,"reference_s":15.25,"evidence":"目标是黄色自适应产品卡下方的紧凑比例文字，依次显示“16 : 9”“1 : 1”和“9 : 16”。首个合格帧为15.0秒，最后为16.0秒；此前14.75秒仍在淡入，比例标签未完整显现，此后16.25秒标签已明显淡出。选择15.25秒作为关键帧，标签完整清晰，与上方卡片分离且无遮挡。","start_frame":360,"end_frame":390,"reference_frame":366},"grounding":{"status":"found","bbox_xyxy":[474.5,835.2,521.4,853.7],"positive_points":[[478,844],[485.5,845],[489,837.8],[502.5,843],[502.5,850],[518.5,844]],"negative_points":[[453,844],[540,844],[498,881],[500,773]],"evidence":"目标是黄色产品卡下方的“16 : 9”比例标签。边界框紧贴完整数字及冒号；六个正点分布在数字和冒号笔画上，负点位于标签两侧、下方的深色背景及明确排除的黄色卡片内。"}},{"name":"EVERY FEED. title","description":"The advertising headline “EVERY FEED.” above three portrait cards, with “EVERY” in white and “FEED.” in lime.","membership":"Includes both words and the period; excludes the three cards and teal background.","id":"obj_030","temporal":{"status":"found","start_s":16.5,"end_s":17.0,"reference_s":16.5,"evidence":"目标为三张竖版广告卡片上方的“EVERY FEED.”标题，其中EVERY为白色，FEED.为青柠色。首个合格帧为16.50秒，最后合格帧为16.75秒，两帧标题均完整可见；紧邻此前的16.25秒仍显示“EVERY FORMAT.”，不属于目标。区间延续至视频17.00秒结束，无后续采样帧。选择16.50秒作为关键帧，因为标题完整清晰、无遮挡，且与下方卡片分离。","start_frame":396,"end_frame":408,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[251,87,753.6,216.7],"positive_points":[[260.4,137],[419.8,143.5],[544.3,155.6],[601.6,200.9],[685.9,161.1],[744.8,200.9]],"negative_points":[[400,265],[280,435],[500,450],[720,450]],"evidence":"目标是三张竖卡上方的“EVERY FEED.”标题，前词为白色，后词及句点为亮绿色。边界框紧贴整个标题；六个正点分布在两个词的字形笔画及句点上，负点位于标题下方的深青背景和三张卡片内部。"}},{"name":"HOOK A advertisement","description":"The left coral portrait card labeled “HOOK A,” with the central message “Meet the fix.”, a progress strip at the top, and placeholder lines near the bottom.","membership":"Includes this card’s coral surface, rounded boundary, label, message, progress strip, and lower lines; excludes neighboring cards and the pointer.","id":"obj_031","temporal":{"status":"found","start_s":16.25,"end_s":17.0,"reference_s":16.5,"evidence":"目标是左侧珊瑚色圆角竖卡，标有“HOOK A”和“Meet the fix.”，带顶部进度条及底部占位线。首个合格帧为16.25秒：卡片结构已完整建立，虽倾斜且被中间黄卡部分遮挡，仍可确认身份；此前16.00秒仅见黄色“YOUR PRODUCT”卡。最后合格帧为16.75秒，目标仍完整可见；区间延伸至视频末尾17.00秒，无后续采样帧。选择16.50秒作为关键帧，此时卡片正面清晰、与相邻卡片分离且无遮挡。","start_frame":390,"end_frame":408,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[189.6,309.3,366.7,869.4],"positive_points":[[216,356],[330,423],[226,521],[278,587],[214,747],[309,821]],"negative_points":[[158,582],[387,586],[496,588],[721,587]],"evidence":"目标是左侧标有“HOOK A”和“Meet the fix.”的珊瑚色竖向广告卡。边界框紧贴整张卡片的圆角外缘，包含顶部进度条及底部占位线。正点分布在卡面、标签、中央文字和下部区域；负点位于卡外深色背景及中间黄色、右侧蓝色卡片上。"}},{"name":"HOOK B advertisement","description":"The middle yellow portrait card labeled “HOOK B,” containing “Before → after.” on two lines, a top progress strip, and lower placeholder lines.","membership":"Includes this card’s yellow surface, rounded boundary, label, message, arrow, progress strip, and lower lines; excludes neighboring cards and the pointer.","id":"obj_032","temporal":{"status":"found","start_s":15.0,"end_s":17.0,"reference_s":16.5,"evidence":"目标是连续变形的中央黄色圆角广告卡，随后显示“HOOK B”和“Before → after.”。15.00秒卡片表面及边界已完整建立；此前14.75秒仍在淡入。它从横版变为竖版并更新内部文字，容器身份保持连续。最后合格帧为16.75秒，视频于17.00秒结束，无后续采样帧。选择16.50秒作关键帧，此时HOOK B卡片完整清晰，与两侧广告卡分离且无遮挡。","start_frame":360,"end_frame":408,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[410.9,309.3,589.1,869.4],"positive_points":[[432,356],[553,329],[457,451],[500,587],[559,713],[478,812]],"negative_points":[[280,570],[720,570],[387,640],[500,906]],"evidence":"目标是中央标有“HOOK B”的黄色竖版广告卡，内含两行“Before → after.”。边界框紧贴整张卡片的圆角外缘，覆盖黄色表面、文字、顶部进度条和底部占位线。正点分布在卡片上中下部及其内容上；负点位于左右相邻卡片和目标外侧、下方的深色背景。"}},{"name":"HOOK C advertisement","description":"The right blue portrait card labeled “HOOK C,” with “Wait for it.” at its center, a top progress strip, and placeholder lines near the bottom.","membership":"Includes this card’s blue surface, rounded boundary, label, message, progress strip, and lower lines; excludes neighboring cards and the teal background.","id":"obj_033","temporal":{"status":"found","start_s":16.25,"end_s":17.0,"reference_s":16.5,"evidence":"目标是右侧蓝色圆角竖版广告卡，带有“HOOK C”“Wait for it.”、顶部进度条和底部占位线。首个合格帧为16.25秒：卡片结构已完整建立，仅左侧被相邻黄色卡片遮挡；此前16.00秒只有黄色“YOUR PRODUCT”卡片。最后合格帧为16.75秒，目标仍完整可见，区间延续至视频17.00秒结束，无后续采样帧。选择16.50秒作为关键帧，此时三张卡片分开，目标边界清晰且无遮挡。","start_frame":390,"end_frame":408,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[632.8,309.3,810.4,869.4],"positive_points":[[652,354],[783,330],[677,482],[722,588],[785,714],[719,811]],"negative_points":[[577,577],[612,437],[835,609],[721,903]],"evidence":"目标是右侧标有“HOOK C”、中央写有“Wait for it.”的蓝色竖向广告卡。边界框紧贴整张卡片的圆角外缘，涵盖蓝色表面、顶部进度条、文字和底部占位线。六个正点分布于卡片上、中、下部；负点位于相邻黄色卡片及卡片外的深青色背景。"}}]}
+{"video_id":183,"video_type":"visual design and media animation","targets":[{"name":"Patterned arrow-bar chart","description":"A seven-lane graphic with peach, lime, red, and white arrow-ended strips carrying repeated geometric patterns. It rotates into upright columns, with the red column tallest, before the view concentrates on the red and white columns.","membership":"Include the colored strips and columns, their pointed ends, and all patterns within them. Follow their actual outlines and exclude gaps, the surrounding background, and independent text labels.","id":"obj_001","temporal":{"status":"found","start_s":2.25,"end_s":3.75,"reference_s":3.25,"evidence":"目标是七条带重复几何图案的桃色、青柠色、红色和白色箭头带，随后转为红柱最高的立柱图。2.25秒首次完整呈现七条带及其尖端；此前2.00秒仍有图案未完���显现，外围条带尚未完整入画。最后合格帧为3.50秒，3.75秒视图放大至红白两柱，其余成员被画面边界裁去。选择3.25秒作为关键帧，七列及内部图案清楚可辨，遮挡较少。","start_frame":54,"end_frame":90,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[34,245,932,1000],"positive_points":[[121,957],[371,492],[431,724],[501,320],[566,547],[833,962]],"negative_points":[[451,119],[194,445],[800,464],[574,278]],"evidence":"目标是七条带重复几何图案、顶部呈箭头状的彩色条带，中央红柱最高。边界框覆盖所有立柱及其向画面底部延伸的可见条带。正点分布于不同颜色的柱体、内部图案和底部条带；负点位于外围黑色背景及独立的“96%”文字上。"}},{"name":"AUDIO LOGO label","description":"Bold red text reading \"AUDIO LOGO\" on two lines, initially near the left edge and subsequently beside the red chart strip.","membership":"Include only the lettering of the complete text block; exclude the adjacent chart and background.","id":"obj_002","temporal":{"status":"found","start_s":1.25,"end_s":2.25,"reference_s":1.5,"evidence":"目标是两行粗体红色“AUDIO LOGO”文字，不含相邻图表。首个合格帧为1.25秒，文字已完整进入画面；最后合格帧为2.00秒，文字仍完整显示在红色图表条旁。此前1.00秒文字被左侧画面边界裁切；此后2.25秒标签已被“59%”替代。选择1.50秒为关键帧，因为文字清晰、无遮挡，且与图表易于区分。","start_frame":30,"end_frame":54,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[429,488,563,611],"positive_points":[[443,499],[464,512],[546,495],[436,584],[466,565],[490,582]],"negative_points":[[342,556],[405,550],[491,438],[591,586]],"evidence":"目标是红色图表条右侧、分两行显示的“AUDIO LOGO”红色粗体文字。边界框紧贴完整文字块；六个正点分布在两行字母的实际笔画上，四个负点位于左侧图表条及文字外围黑色背景，不包含字间或字母内部空隙。"}},{"name":"Chart percentage readout","description":"A red percentage displayed above the tallest red column, changing from \"89 %\" to \"96 %\".","membership":"Include the digits and percent sign as one reading unit. Exclude the column and surrounding background.","id":"obj_003","temporal":{"status":"found","start_s":2.25,"end_s":3.5,"reference_s":3.0,"evidence":"目标是最高红色柱顶上方的红色数字与百分号。首个合格帧为2.25秒，完整显示旋转的“59 %”，随后在2.50秒变为“89 %”、2.75秒变为“96 %”，属于同一读数的连续变化；最后合格帧为3.25秒。前一帧2.00秒显示的是“AUDIO LOGO”，尚无百分比；后一帧3.50秒百分比已消失。选择3.00秒作为关键帧，读数完整清晰且无遮挡。","start_frame":54,"end_frame":84,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[450,111,583,188],"positive_points":[[457,132],[463,170],[503,125],[493,163],[560,148],[575,172]],"negative_points":[[425,148],[608,149],[512,212],[508,347]],"evidence":"目标是最高红色柱上方的红色“96 %”。边界框紧密覆盖两个数字和百分号；六个正点分布在各字符的红色笔画上，负点位于读数外围黑色背景及明确排除的红色柱内。"}},{"name":"19% MORE comparison label","description":"Bold red text reading \"19% MORE\" on two lines beside the enlarged red and white columns.","membership":"Include only the complete text block, excluding both columns and the background.","id":"obj_004","temporal":{"status":"found","start_s":4.0,"end_s":5.5,"reference_s":4.5,"evidence":"目标是红白两根柱旁分两行显示的红色粗体“19% MORE”，仅包含文字。首个完整呈现帧为4.00秒，最后合格帧为5.25秒；此前3.75秒文字尚被白柱遮挡、未完整显露，之后5.50秒文字已消失。选择4.50秒作为关键帧，文字清晰完整，与柱体及背景易于区分。","start_frame":96,"end_frame":132,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[678,534,803,657],"positive_points":[[687,562],[716,546],[747,566],[684,625],[733,609],[791,645]],"negative_points":[[502,712],[748,884],[835,580],[718,473]],"evidence":"目标是两根柱形右侧的红色两行文字“19% MORE”。边界框紧贴完整文字块，包含字符与行间间隙；六个正点分布在两行字形笔画上，负点分别位于红柱、白柱及文字外侧的黑色背景。"}},{"name":"Stepped iceberg graphic","description":"A large angular iceberg-like form with a tall red central peak, shorter stepped side peaks, dark red facets, and a broad dark green submerged silhouette beneath the zigzag waterline.","membership":"Include the red upper mass, its shaded facets, and the connected dark submerged mass. Follow the stepped silhouette rather than its bounding rectangle. Exclude surrounding water, pale ripple marks, and the independently presented audio icons.","id":"obj_005","temporal":{"status":"found","start_s":6.0,"end_s":10.75,"reference_s":8.0,"evidence":"目标为红色阶梯状主峰、暗红切面及锯齿水线下相连的深绿色冰山轮廓，不含周围水面、浅色波纹和音频图标。6.00秒首次形成完整可辨的水上轮廓及水下连接体，水下部分持续采用画面底部裁切的构图；此前5.75秒仍在从底部揭示。最后合格帧为10.50秒，10.75秒整体上移且主峰开始被画面上缘裁切。选择8.00秒，阶梯轮廓、阴影和水下主体均清晰易辨。","start_frame":144,"end_frame":258,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[132,165,891,1000],"positive_points":[[497,338],[275,632],[660,489],[792,674],[306,937],[846,950]],"negative_points":[[189,279],[74,840],[954,874],[741,881]],"evidence":"目标是红色阶梯状冰山及其相连的深绿色水下轮廓。边界框覆盖中央尖峰、两侧阶梯和延伸至图像底边的 submerged 部分；正点分布在红色主体、暗红切面及水下实体上，负点位于外围浅色背景、两侧水域和浅色波纹上。"}},{"name":"Speaker-and-music icon","description":"A pale angular speaker symbol toward the upper left of the underwater icon scene, combined with a musical note, three vertical bars, and a small waveform above its right side.","membership":"Include the compact speaker, note, bars, and small waveform assembly. Include areas enclosed by its outlined shapes, but exclude open spaces between separate components and neighboring icons.","id":"obj_006","temporal":{"status":"found","start_s":11.0,"end_s":14.0,"reference_s":11.5,"evidence":"目标是水下图标场景左上方的浅色扬声器、音符、三根竖条及右上方小波形组合。11.00秒首次完整呈现，13.75秒仍完整可见；前一帧10.75秒尚未出现该组合，后一帧14.00秒组合上部已随移动被画面边缘裁切。选择11.50秒作为关键帧，此时各组件清晰完整，与周围图标易于区分。","start_frame":264,"end_frame":336,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[196,397,365,639],"positive_points":[[208,531],[245,538],[301,460],[279,571],[308,597],[344,427]],"negative_points":[[175,477],[391,495],[271,694],[704,696]],"evidence":"目标位于画面左上侧，由浅色角形扬声器、音符、三根竖条及右上方的小波形组成。边界框紧贴整组图案；六个正点分布在扬声器及其封闭内部、音符、竖条和小波形上，四个负点位于外围背景及右侧独立波形图标上。"}},{"name":"Speaking-head icon","description":"A pale outlined human head in right-facing profile near the upper right, periodically accompanied by two sound-projection wedges in front of its mouth.","membership":"Include the head outline and its enclosed interior, plus the associated projection wedges when visible. Exclude the separate waveform below it.","id":"obj_007","temporal":{"status":"found","start_s":11.0,"end_s":12.75,"reference_s":11.5,"evidence":"目标是右上方朝右的浅色轮廓人头，包含出现时嘴前的两个发声楔形，不包含下方独立波形。11.00秒首次完整可见，12.50秒为最后完整帧；此前10.75秒尚未出现，之后12.75秒头顶开始被画面上边界裁切。选择11.50秒作为关键帧，因为头部轮廓和两个发声楔形均清楚完整，与下方波形分离。","start_frame":264,"end_frame":306,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[760,330,929,516],"positive_points":[[788,405],[811,373],[826,451],[780,486],[883,430],[916,425]],"negative_points":[[708,700],[719,410],[955,438],[809,587]],"evidence":"目标位于右上方，为朝右的人头轮廓及嘴前两块声音投射楔形。边界框紧贴头部和两块楔形的整体可见范围；正点分布在头部所围内部及两块楔形上，负点位于下方独立波形和目标外围背景。"}},{"name":"Audio waveform icon","description":"A pale waveform made from alternating tall and short tapered vertical bars. It moves from the lower-right area toward the center and becomes the target of the animated pointer.","membership":"Include the individual waveform bars as one coherent symbol, excluding the spaces between them, surrounding icons, and the pointer.","id":"obj_008","temporal":{"status":"found","start_s":11.0,"end_s":15.0,"reference_s":12.0,"evidence":"目标是由长短交替的浅色锥形竖条组成的波形符号，从右下方向中央移动，随后被动画指针指向。11.00秒首次完整出现，前一帧10.75秒尚无该符号；14.75秒仍可辨认为完整波形，15.00秒已变成爆裂状图形，故最后纳入14.75秒。选择12.00秒作为关键帧，此时波形清晰完整，与周围图标分离且无指针遮挡。","start_frame":264,"end_frame":360,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[613,578,720,724],"positive_points":[[618,649],[635,642],[650,649],[666,660],[698,651],[713,656]],"negative_points":[[350,323],[808,199],[574,654],[749,760]],"evidence":"目标是画面中部偏右、由高低交替的浅色竖条组成的较大音频波形。边界框紧贴整组竖条的可见范围；六个正点分布在不同竖条上，负点位于左上方的小波形、右上方的人头轮廓以及目标外围背景，避开条间空隙。"}},{"name":"Telephone-and-note icon","description":"A large pale outlined telephone receiver on the left side of the audio-icon scene, with a small angular musical note beside it.","membership":"Include the receiver outline and the area it encloses, together with its adjacent musical note when present. Exclude unrelated nearby icons and background.","id":"obj_009","temporal":{"status":"found","start_s":11.75,"end_s":14.0,"reference_s":12.25,"evidence":"目标是音频图标场景左侧的浅色空心电话听筒及其旁边出现的棱角音符。11.75秒听筒首次完整进入画面，13.75秒仍完整可见；此前11.50秒听筒下端被画面边缘截断，之后14.00秒听筒开始从左边缘移出并被裁切。选择12.25秒作为关键帧，此时听筒轮廓完整，旁边音符清楚，且与其他图标分离。","start_frame":282,"end_frame":336,"reference_frame":294},"grounding":{"status":"found","bbox_xyxy":[36,590,197,909],"positive_points":[[73,660],[48,747],[90,830],[79,875],[150,653],[180,604]],"negative_points":[[22,540],[221,772],[258,908],[241,372]],"evidence":"目标是左下方的大型浅色电话听筒及其右上侧的小音符。边界框覆盖听筒轮廓、所围区域和相邻音符；正点分布于听筒及音符上，负点位于外围背景和上方无关的扬声器图标上。"}},{"name":"Microphone-and-note icon","description":"A small, dim microphone outline accompanied by a musical note, positioned between the larger telephone and central waveform graphics.","membership":"Include the microphone, its stand, and the associated note. Include enclosed areas of the outlined microphone, but exclude surrounding background and other symbols.","id":"obj_010","temporal":{"status":"found","start_s":11.0,"end_s":15.25,"reference_s":14.5,"evidence":"目标是大型电话与中央波形之间的小型暗色麦克风轮廓、支架及右上方音符，不包括周围图标。11.00秒首次完整可见，10.75秒仍为水面场景、尚未出现；最后符合条件的是15.00秒，15.25秒被放大的星芒场景替代。选择14.50秒作为关键帧，麦克风及音符结构完整，周围黑色背景便于区分，且无遮挡。","start_frame":264,"end_frame":366,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[365,384,397,445],"positive_points":[[373,413],[368,423],[373,438],[382,405],[388,390],[392,405]],"negative_points":[[348,388],[403,470],[474,492],[158,418]],"evidence":"目标是电话图形与中央波形之间的小型暗色麦克风及音符。框覆盖麦克风轮廓、内部、支架和右上方音符；正点分布在这些组成部分上，负点位于外围背景及电话、波形等其他图形上。"}},{"name":"Music-folder icon","description":"A dim stack of outlined file folders with a musical note on the front folder, appearing below and left of the central waveform.","membership":"Include the visible folder stack, its enclosed surfaces, and the note on the front. Exclude nearby icons and the background.","id":"obj_011","temporal":{"status":"found","start_s":12.75,"end_s":15.25,"reference_s":14.5,"evidence":"目标是中央波形左下方的暗色轮廓文件夹叠层，前层内有音符。12.75秒首次完整显示，之前12.50秒仍被画面下边缘裁切；最后符合条件的是15.00秒，15.25秒被爆炸状图形的新画面替代。选择14.50秒作为关键帧，文件夹叠层及音符完整可辨，未被光标或附近图标遮挡。","start_frame":306,"end_frame":366,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[250,625,324,757],"positive_points":[[294,636],[297,662],[265,714],[284,708],[298,726],[310,741]],"negative_points":[[233,686],[342,717],[288,781],[505,486]],"evidence":"目标是中央波形左下方的暗色叠放文件夹，前层带音符。边界框紧贴可见文件夹堆叠，包含轮廓、内部表面及音符；正点分布在各层文件夹和前层音符上，负点位于周围外部背景及中央波形上。"}},{"name":"Animated selection pointer","description":"A large white arrow that enters from below, points at the central waveform, and remains visible as the scene changes to a bursting audio symbol.","membership":"Include only the white arrow silhouette. Exclude the selected symbols and any click or burst effects.","id":"obj_013","temporal":{"status":"found","start_s":14.25,"end_s":16.75,"reference_s":14.25,"evidence":"目标是从下方进入、指向中央波形，并在爆炸状音频符号场景中继续出现的白色箭头轮廓。14.00秒箭头仍被画面下边缘裁切，14.25秒首次完整可见；点击效果中的短暂遮挡前后可确认其连续性。16.50秒为最后完整可见帧，16.75秒切换至音符横条，箭头消失。选择14.25秒作为关键帧，此时箭头完整、无遮挡且与周围符号分离。","start_frame":342,"end_frame":402,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[514.6,644.1,567.4,788.2],"positive_points":[[518.6,675.3],[528.3,696.2],[547.9,711.8],[521.5,730.9],[538.1,750.0],[546.9,776.0]],"negative_points":[[512.7,506.9],[489.3,706.6],[581.1,753.5],[536.1,824.7]],"evidence":"目标是中央波形下方朝左上指向的白色箭头。边界框紧贴箭头的尖端、两侧及尾部，仅覆盖白色箭头轮廓。六个正点分布在箭头头部和柄部，四个负点位于上方波形及箭头外侧背景，不包含符号或点击效果。"}},{"name":"Concentric-ring music emblem","description":"A black audio emblem consisting of nested octagonal rings beside an angular musical note, presented at the center of a red and peach starburst.","membership":"Include the outermost octagonal boundary and everything enclosed by it, together with the adjacent musical-note shape. Exclude the surrounding starburst and overlaid pointer.","id":"obj_014","temporal":{"status":"found","start_s":15.25,"end_s":16.5,"reference_s":16.0,"evidence":"目标是红色与桃色星芒中央的黑色嵌套八角环及其右上方的棱角音符，不包括星芒和白色指针。首个合格帧为15.25秒，最后合格帧为16.25秒；此前15.00秒仅见小型星芒过渡，徽标结构尚未完整呈现，此后16.50秒八角环随整体左移而被画面左缘裁切。选择16.00秒作为关键帧，此时环和音符完整清晰，指针位于其右下方，未遮挡主体。","start_frame":366,"end_frame":396,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[440,337,617,620],"positive_points":[[498,418],[445,510],[502,611],[499,514],[576,356],[600,481]],"negative_points":[[498,278],[391,521],[674,521],[645,781]],"evidence":"目标是星芒中央的黑色嵌套八角环及其右上方的棱角音符。边界框紧贴两者整体可见范围；正点分布于八角环边界、按要求包含的内部及音符实心笔画，负点位于外围星芒和右下方白色指针上。"}},{"name":"Arrow-shaped musical staff","description":"A broad lime arrow pointing right, crossed by thin horizontal staff lines and carrying dark angular musical notes.","membership":"Include the arrow surface, pointed boundary, staff lines, and notes positioned on its surface. Exclude detached notes beyond the arrow tip and the black background.","id":"obj_015","temporal":{"status":"found","start_s":16.75,"end_s":18.5,"reference_s":17.5,"evidence":"目标是带细横向谱线和深色棱角音符的宽大荧光黄绿色右箭头，不包含箭头尖端外的游离音符。首个合格帧为16.75秒，箭头表面、尖端、谱线及音符已完整建立；左侧延伸出画面是持续的构图裁切。最后合格帧为18.25秒。此前16.50秒仍是红色放射状图形，此后18.50秒已替换为音乐云朵。选择17.50秒作为关键帧，箭头轮廓及内部谱线、音符清晰，且容易排除尖端外的音符。","start_frame":402,"end_frame":444,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[0,298,730,791],"positive_points":[[85,350],[105,715],[233,655],[464,548],[504,414],[687,545]],"negative_points":[[699,285],[766,434],[500,190],[500,863]],"evidence":"目标是从图像左边延伸、向右收尖的宽青柠色箭头。边界框覆盖箭头表面、尖端、横向谱线及其上的深色音符。正点分布在箭头表面、音符和尖端内部；负点位于右上方两个分离音符及箭头上下的黑色背景。"}},{"name":"First departing musical note","description":"A lime single-note symbol that emerges beyond the staff arrow’s tip and subsequently occupies the upper position in the pair of detached notes.","membership":"Include only this note’s filled angular silhouette, excluding the staff arrow, the other detached note, and surrounding background.","id":"obj_016","temporal":{"status":"found","start_s":17.25,"end_s":18.5,"reference_s":18.0,"evidence":"目标是从五线谱箭头尖端外出现、随后位于两个游离音符上方的青柠色单音符。17.25秒首次完整可见，至18.25秒仍完整存在；前一帧17.00秒尚未出现完整的箭头外青柠色音符，后一帧18.50秒已切换为云朵音符图案。选择18.00秒作为关键帧，此时目标轮廓清晰，与箭头及下方另一音符充分分离。","start_frame":414,"end_frame":444,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[751,180,798,297],"positive_points":[[783,194],[792,206],[782,238],[780,281],[758,260],[760,285]],"negative_points":[[867,411],[687,512],[730,205],[821,288]],"evidence":"目标是五线谱箭头外两个独立音符中位置较高的浅黄绿色单音符。边界框紧贴其完整角状实心轮廓；六个正点分布于顶部、竖干和下方音符头，负点位于另一枚独立音符、谱面箭头及外围黑色背景。"}},{"name":"Second departing musical note","description":"A second lime single-note symbol beyond the staff arrow, positioned lower and to the right of the first detached note.","membership":"Include only this note’s filled angular silhouette, excluding the other note, the staff arrow, and surrounding background.","id":"obj_017","temporal":{"status":"found","start_s":17.5,"end_s":18.5,"reference_s":18.0,"evidence":"目标是五线谱箭头外两枚青柠色单音符中，位于另一枚右下方的第二枚，仅包含其填充角形轮廓。首个合格帧为17.50秒，最后为18.25秒；此前17.25秒仅有一枚脱离箭头的音符，此后18.50秒已切换为云朵音符图案。选择18.00秒作为关键帧，目标轮廓完整，与另一枚音符及箭头分离清楚。","start_frame":420,"end_frame":444,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[841,334,888,452],"positive_points":[[875,348],[882,365],[872,394],[871,434],[847,427],[859,441]],"negative_points":[[773,269],[652,542],[917,405],[815,330]],"evidence":"目标是五线谱箭头外、第一枚游离音符右下方的浅黄绿色单音符。边界框紧贴其角状实心轮廓；六个正点分布在顶部、竖杆和底部音符头上，四个负点位于另一枚音符、谱面箭头及外围黑色背景。"}},{"name":"Central music cloud","description":"The largest lime cloud in the cloud scene, centered on screen and containing a dark pair of joined angular musical notes. It later shrinks toward the center.","membership":"Include the entire cloud silhouette and all enclosed content, including its musical-note symbol. Exclude the surrounding clouds and background.","id":"obj_018","temporal":{"status":"found","start_s":18.5,"end_s":19.75,"reference_s":19.0,"evidence":"目标是云朵场景中央最大的青柠色云，内部有深色相连的双音符，周围小云不属于目标。18.50秒云朵轮廓及音符已完整呈现；至19.50秒缩向中央时仍可辨认，属于同一次连续出现。前一帧18.25秒仍是箭头状谱线，尚无该云；后一帧19.75秒中央云已被椭圆及环形图案替代。选择19.00秒作为关键帧，云朵和音符清晰完整，且与周围小云分离。","start_frame":444,"end_frame":474,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[305,254,753,748],"positive_points":[[357,540],[533,311],[489,479],[561,579],[684,599],[520,693]],"negative_points":[[197,268],[906,493],[297,901],[790,746]],"evidence":"目标是画面中央最大的青柠色云朵，内含深色相连音符。边界框紧贴整个云朵轮廓，包含内部音符；正点分布于云朵各部及音符上，负点位于周围其他云朵和右下方外部黑色背景。"}},{"name":"Upper-left music cloud","description":"A smaller lime cloud above and left of the central cloud, containing a dark single musical note.","membership":"Include the complete cloud surface and boundary and the note within it. Exclude neighboring clouds and background.","id":"obj_019","temporal":{"status":"found","start_s":18.75,"end_s":19.75,"reference_s":19.0,"evidence":"目标是中央大云左上方、内含深色单音符的小型亮黄绿色云。18.75秒首次完整呈现，19.50秒仍完整可见；此前18.50秒只有中央云，尚无目标。19.75秒扩张的浅桃色转场形状开始遮盖并移除目标，因此不纳入。选择19.00秒作为关键帧，云的轮廓和音符清晰完整，与其他云容易区分。","start_frame":450,"end_frame":474,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[124,172,269,332],"positive_points":[[201,201],[143,268],[166,309],[194,282],[248,281],[216,266]],"negative_points":[[96,227],[287,353],[381,529],[159,646]],"evidence":"目标是中央大云左上方、内含深色单音符的小型黄绿色云。边界框覆盖完整云朵及内部音符；六个正点分布于云顶、左右云瓣、底部和音符上，四个负点位于外围黑色背景及其他云朵上。"}},{"name":"Right music cloud","description":"A smaller lime cloud to the right of the central cloud, containing a dark joined-note symbol.","membership":"Include the complete cloud surface and boundary and its enclosed musical symbol. Exclude neighboring clouds and background.","id":"obj_020","temporal":{"status":"found","start_s":18.75,"end_s":20.0,"reference_s":19.0,"evidence":"目标是中央大云右侧、内含深色连音符的小型青柠色云朵。18.75秒首次完整呈现，19.75秒仍完整可见；前一帧18.50秒只有中央云朵，后一帧20.00秒已被转场替换，目标不再可见。选择19.00秒作为关键帧，云朵边界和音符清晰，且与邻近云朵分离、无遮挡。","start_frame":450,"end_frame":480,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[835,400,980,560],"positive_points":[[855,494],[905,427],[956,504],[930,541],[894,462],[875,534]],"negative_points":[[809,478],[922,623],[704,571],[752,221]],"evidence":"目标是中央大云右侧、内含深色连音符的小型青柠色云。边界框紧贴完整云朵的可见外缘，包含云面和音符；正点分布于云朵各部及音符上，负点位于外部黑色背景、中央大云和上方另一朵小云上。"}},{"name":"Rotating music record","description":"A rotating disc graphic following the cloud scene, shown with a black outer disc and red center label bearing an angular musical-note symbol and staff lines, then as an enlarged red face with the note.","membership":"Include the disc’s outer boundary, enclosed surface, center label, and musical markings as its orientation and colors change. Exclude the surrounding expanding colored transition shapes and background.","id":"obj_021","temporal":{"status":"found","start_s":19.75,"end_s":21.0,"reference_s":20.25,"evidence":"目标是云朵场景后旋转的唱片，包含外盘、红色中心标签及音符和谱线，不含外围扩张色环。19.75秒首次可见结构完整的倾斜唱片；此前19.50秒仍是云朵与中心的小型过渡形状。最后合格帧为20.75秒，唱片放大并呈红色盘面，持续至视频结束，之后无采样帧。选择20.25秒作关键帧，因为黑色外盘与红色标签边界清晰，音乐标记明确。","start_frame":474,"end_frame":504,"reference_frame":486},"grounding":{"status":"found","bbox_xyxy":[265,42,736,958],"positive_points":[[601,121],[406,374],[319,737],[456,827],[667,443],[499,492]],"negative_points":[[183,260],[836,687],[790,920],[942,128]],"evidence":"目标是中央倾斜的黑色唱片，红色中心标签上有音符和谱线。边界框紧贴唱片外缘，包含盘面、标签及音乐标记；正点分布在黑色盘面和中心标签上，负点位于外围红色过渡形状及右上浅色背景。"}}]}
+{"video_id":184,"video_type":"visual design and media animation","targets":[{"name":"Opening gradient sphere","description":"A blue, purple, and orange sphere initially balanced above the apex of a large pyramid, then moving toward the right edge.","membership":"Includes the complete circular silhouette and its colored surface. Excludes the pyramid and the black stroke crossing in front of it.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.5,"evidence":"目标是开场位于大金字塔顶点上方的蓝、紫、橙渐变球体，不包括金字塔和前景黑色笔画。首个合格帧为0.00秒，球体已完整建立，虽被黑线局部遮挡；最后合格帧为0.50秒，球体向右移动且圆形轮廓完整。紧邻的0.75秒帧中，球体移出右侧并被画面边界裁切，因此结束时间为0.75秒。区间起于视频开头，没有更早帧。选择0.50秒作为关键帧，因为球体没有黑线遮挡，轮廓和渐变表面清晰。","start_frame":0,"end_frame":18,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[470.3,178.7,613.5,435.2],"positive_points":[[541.7,203.7],[496.9,263.9],[492.2,342.6],[541.7,391.7],[593.8,259.3],[591.1,351.9]],"negative_points":[[541.7,574.1],[687.5,453.7],[442.7,296.3],[546.9,129.6]],"evidence":"目标是金字塔尖上方的蓝紫橙渐变球体，边界框紧贴完整可见圆形轮廓。六个正点分布在球体的上部、两侧及下部彩色表面；负点位于下方金字塔、右侧黑色笔画，以及球体左侧和上方的灰色背景。"}},{"name":"Gradient pyramid","description":"A large pointed form beneath the opening sphere, with two triangular faces shaded in opposing orange and blue gradients.","membership":"Includes both triangular faces and their shared central ridge, following the visible outer outline. Excludes the sphere and overlaid black line.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.5,"evidence":"目标是开场球体下方由橙蓝相反渐变的两个三角面及中央棱线组成的尖锥，不包括球体和黑色曲线。首个合格帧为0秒，结构已完整建立，底部属于构图中的有意裁切；最后合格帧为0.5秒。相邻的0.75秒帧中尖锥已向右离场，被画面右边界裁切，因此排除。区间始于视频开头，无更早采样帧。选择0.5秒作为关键帧，两个面及中央棱线清楚，黑线遮挡较少。","start_frame":0,"end_frame":18,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[281.3,434.3,804.2,1000],"positive_points":[[516,550],[456,760],[361,947],[569,560],[706,934],[552,787]],"negative_points":[[540,300],[710,376],[320,700],[806,772]],"evidence":"目标是球体下方由橙蓝渐变双三角面组成的尖锥形。边界框紧贴顶点、两侧斜边及图像底部截断边缘；正点分布于两个面和中央棱线，负点位于上方球体、右侧黑线及锥体外的灰色背景。"}},{"name":"Opening black flourish","description":"A thick black freehand stroke sweeping from the left across the sphere and pyramid into progressively smaller bends on the right.","membership":"Includes only the solid black stroke and its rounded ends. The curve remains open; spaces between its bends and underlying graphics are excluded.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是开场横跨球体与金字塔、向右形成逐渐缩小弯折的粗黑色开放笔画。0.00秒时笔画已完整建立，为首个也是最后一个合格采样帧；右端延伸至画面边缘属于开场构图裁切。紧邻的0.25秒帧中，左侧大弯钩及斜线已被擦除��因此不再纳入。区间到达视频起点，没有更早帧。选择0.00秒为关键帧，笔画形状最完整、与底层彩色图形区分清晰。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[84.9,191.7,1000,711.1],"positive_points":[[93.8,273.1],[129.7,685.2],[577.6,212],[462,574.1],[853.6,258.3],[953.1,430.6]],"negative_points":[[40,850],[930,810],[485,285],[570,840]],"evidence":"目标是从左侧起笔、跨过球体和金字塔并向右形成渐小弯折的粗黑色开放笔画。边界框紧贴其可见范围，右端延伸至图像边缘。六个正点分布在起笔、主要转弯及右侧笔画上；负点位于远处灰色背景及明确排除的球体、金字塔表面。"}},{"name":"Multicolored ribbon array","description":"Long segmented gradient strips enter from the left and develop into a layered, curving arrangement that recedes toward the right.","membership":"Includes the colored strip surfaces and their visible edges as one ribbon arrangement. Excludes the gaps between strips, the gray dotted background, and the black waveform.","id":"obj_004","temporal":{"status":"found","start_s":1.0,"end_s":2.0,"reference_s":1.5,"evidence":"目标是由蓝、紫、橙等渐变分段长条组成的多层弯曲带状阵列，向右侧收束，不包括黑色波形及条带间隙。首个合格帧为1.00秒，阵列结构已完整呈现；此前0.75秒仅有部分条带从左侧进入，尚未完整展开。最后合格帧为1.75秒，阵列仍保持完整的层叠透视结构；随后2.00秒已替换为网格背景上的独立斜块。选择1.50秒作为关键帧，条带分层、可见边缘和向右收束的形态清楚。","start_frame":24,"end_frame":48,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[0,0,1000,1000],"positive_points":[[180,35],[550,150],[220,300],[520,470],[390,950],[932,558]],"negative_points":[[880,80],[890,920],[305,450],[770,555]],"evidence":"目标是从左侧展开、向右侧收束的蓝紫橙渐变条带阵列。其可见部分触及画面四边，因此外接框覆盖全图。正点分布在上、中、下层及右侧的彩色条带表面；负点位于右上、右下的灰色点状背景和明确排除的黑色波形上。"}},{"name":"Black ribbon waveform","description":"A broad black oscillating line displayed over the layered colored ribbons, with large loops on the left diminishing toward the right.","membership":"Includes the continuous black stroke only. Excludes the open spaces inside its bends and all colored ribbons behind it.","id":"obj_005","temporal":{"status":"found","start_s":1.0,"end_s":1.75,"reference_s":1.5,"evidence":"目标是彩色叠层带前方的连续粗黑波形，左侧波幅大、向右逐渐缩小。首个合格帧为1.00秒，前一帧0.75秒尚无该波形；最后合格帧为1.50秒，1.75秒左端已开始回缩擦除，2.00秒完全消失。选择1.50秒作为关键帧，黑色波形与背景区分鲜明，向右递减的弯曲结构清楚。","start_frame":24,"end_frame":42,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[0,49,1000,943],"positive_points":[[35,90],[253,882],[306,152],[549,775],[805,625],[882,449]],"negative_points":[[650,20],[950,170],[850,950],[80,978]],"evidence":"目标是覆盖在彩色条带上的连续黑色波形，左侧起伏大、向右逐渐缩小。边界框紧贴黑色笔画的可见范围，左右延伸至图像边缘。六个正点分布在各段黑色弯曲笔画上；四个负点位于波形外围的背景或彩色条带上，避开弯曲内部的空隙。"}},{"name":"Left split-chevron motif","description":"The left of two initially isolated right-facing motifs on the gray grid, formed by an upper and a lower slanted gradient bar.","membership":"Includes the two colored bars forming this motif, following each bar's outline. Excludes the central gap, the neighboring motif, and the background grid.","id":"obj_006","temporal":{"status":"found","start_s":2.0,"end_s":2.5,"reference_s":2.0,"evidence":"目标是灰色网格上最初两个分离式右向图案中左侧的一组上下渐变斜条，不含中间空隙。首个合格帧为2.00秒，两条轮廓已完整建立；2.25秒该组移动到画面右半部，仍完整可见，为最后合格帧。此前1.75秒是黑色波线与渐变长带，尚无该图案；随后2.50秒原目标已移出，画面为后续连续排列的箭头。选择2.00秒，因目标与邻组分离，双条结构最清楚。","start_frame":48,"end_frame":60,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[0,60.2,201.1,939.8],"positive_points":[[54,106],[97,235],[143,369],[143,623],[99,764],[55,899]],"negative_points":[[266,233],[263,771],[491,315],[466,852]],"evidence":"目标是图像最左侧由上下两条渐变斜条组成的右向分裂箭头。边界框紧贴这两条色带的整体可见范围；六个正点分散在上下色带上，四个负点位于右侧相邻图案及更远的灰色网格背景，避开目标中央间隙。"}},{"name":"Right split-chevron motif","description":"The right of the two initially isolated split chevrons, with blue outer ends and orange ends facing the central horizontal gap.","membership":"Includes this motif's upper and lower slanted bars only. Excludes the gap between them, the left motif, and the grid.","id":"obj_007","temporal":{"status":"found","start_s":2.0,"end_s":2.25,"reference_s":2.0,"evidence":"2.00秒网格背景上出现两个孤立的分体箭头，目标是右侧那一组上下斜条，外端蓝色、朝向水平间隙的内端橙色；该帧是首个及最后一个完整合格帧。前一帧1.75秒仍为彩色带与黑色波线，尚无目标；后一帧2.25秒目标已向右移至画面右缘并被裁切，不将后续相似复制图案并入。选择2.00秒作为关键帧，两根斜条完整、独立且无遮挡。","start_frame":48,"end_frame":54,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[163,57,362,943],"positive_points":[[219,106],[258,241],[302,375],[303,622],[263,763],[219,905]],"negative_points":[[94,231],[99,741],[417,500],[354,74]],"evidence":"目标是右侧由上下两条斜杠组成的分裂箭头，蓝色端朝外、橙色端朝向中央横向间隙。边界框紧贴这两条斜杠的整体可见范围；六个正点分布于两条斜杠的蓝色、中间渐变及橙色部分。负点位于左侧图案和目标外部网格背景，未放在两条斜杠之间的间隙。"}},{"name":"Gradient chevron chain","description":"A horizontal repeating chain of broad right-facing chevrons, shaded blue at their open left ends and orange toward their right edges, travels across the gray grid.","membership":"Includes the colored chevron shapes making up the aligned chain. Follows their notched outlines and excludes triangular openings, spaces between shapes, and the background grid.","id":"obj_008","temporal":{"status":"found","start_s":2.5,"end_s":3.25,"reference_s":2.5,"evidence":"目标是灰色网格上左端蓝色、右缘橙色的宽大右向人字形链。2.50秒首次形成完整的重复链，至3.00秒仍是完整形状的移动和间距变化；此前2.25秒的图形尚在拼合、变形成链，之后3.25秒右端图形离场并被画面边界裁切。选择2.50秒作为关键帧，链条排列清楚，凹口与背景三角形空隙易于区分。","start_frame":60,"end_frame":78,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[0,235,1000,765],"positive_points":[[45,414],[169,650],[319,356],[517,631],[725,479],[955,659]],"negative_points":[[139,148],[431,175],[638,855],[886,884]],"evidence":"目标是横贯画面的蓝紫至橙色渐变右向人字形链条。边界框覆盖所有可见彩色形状，包括左右被画面截断的部分。六个正点分布在不同人字形的上下臂及橙色连接区域；四个负点位于链条上方和下方的灰色网格背景，避开内部三角缺口。"}},{"name":"Pixel-arrow banner","description":"A wide gradient banner carrying repeated black right-pointing arrows with stepped pixel-style heads; white offset blocks appear beside some arrow edges.","membership":"Includes the banner surface, its outer boundary, and all arrow graphics printed within it. Excludes the separate sweeping black curve and the surrounding gradient scene.","id":"obj_009","temporal":{"status":"found","start_s":4.0,"end_s":5.0,"reference_s":4.0,"evidence":"目标是横贯画面的渐变横幅，内含重复的黑色阶梯像素箭头及部分白色错位边块，不包括独立黑色曲线。4.00秒首次形成完整的通栏呈现；此前3.75秒横幅仍倾斜入场、边界被画面裁切。最后符合帧为4.75秒，5.00秒箭头图案消失，横幅开始被新的渐变条带替换。选择4.00秒作关键帧，箭头结构清晰，独立黑色曲线遮挡最少。","start_frame":96,"end_frame":120,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[0,289.8,1000,710.2],"positive_points":[[105,586],[348,500],[486,376],[582,500],[769,622],[936,444]],"negative_points":[[17,321],[355,173],[728,849],[947,183]],"evidence":"目标是横贯画面中部的渐变横幅，带有重复的黑色像素阶梯箭头及白色偏移方块。边界框紧贴横幅上下边界并覆盖全宽；正点分布在横幅表面、黑色箭头和白色方块上，负点位于左侧独立黑色曲线及横幅上下的外围渐变背景。"}},{"name":"Black curved ball path","description":"A black line sweeps upward into a rounded turn, descends into a deep bend, and rises diagonally across the pixel-arrow banner.","membership":"Includes only the visible black path stroke. Excludes enclosed-looking spaces between its bends, the banner, the traveling ball, and the ball's luminous trail.","id":"obj_010","temporal":{"status":"found","start_s":4.5,"end_s":5.0,"reference_s":4.5,"evidence":"目标是横跨像素箭头横幅、具有上方圆转弯和下方深弯的黑色路径线。4.50秒首次完整建立，4.75秒仍保持完整形态，球及发光拖尾仅局部遮挡线条。此前4.25秒右上斜线末端仍在延伸绘制；此后5.00秒路径随转场被移出、遮去，仅剩右上局部线段。选���4.50秒作为关键帧，路径形状清晰且拖尾遮挡较少。","start_frame":108,"end_frame":120,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[91,40,1000,960],"positive_points":[[180,190],[410,59],[485,181],[288,932],[540,738],[940,332]],"negative_points":[[70,262],[14,318],[493,500],[936,500]],"evidence":"目标是从小球旁向上弯转、在下方形成深弯并斜向右上横跨横幅的黑色路径。边界框覆盖其全部可见笔画，从顶部圆弯到底部深弯及右侧出画处。六个正点分布在这些路径段上；负点位于小球、发光尾迹及横幅的独立像素箭头上，不标记弯曲路径围出的空白。"}},{"name":"Traveling gradient ball","description":"A small orange, blue, and white shaded ball follows the black path and subsequently moves above the changing blue stepped formation.","membership":"Includes the ball's circular colored body. Excludes motion blur, the white trailing streak, surrounding glow, and the structures beneath it.","id":"obj_011","temporal":{"status":"found","start_s":4.5,"end_s":5.25,"reference_s":4.75,"evidence":"目标是沿黑色路径移动的橙、蓝、白渐变小球，仅计彩色球体，不含白色拖尾和光晕。首个合格帧为4.50秒，球体已完整入画；前一帧4.25秒尚无小球。最后合格帧为5.00秒，球体仍完整可见；紧邻的5.25秒帧中小球已消失，因此不与5.50秒的再次出现合并。选择4.75秒作为关键帧，球体轮廓清楚、无遮挡，且容易与黑色路径及拖尾区分。","start_frame":108,"end_frame":126,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[357,22,414,120],"positive_points":[[374,39],[392,44],[403,67],[394,94],[375,101],[365,71]],"negative_points":[[322,99],[449,62],[385,174],[470,351]],"evidence":"目标是图像上方黑色路径上的橙、蓝、白渐变小球。边界框紧贴圆形球体，不包含外围光晕、运动模糊和左侧白色拖尾。六个正点分布在球体各色区域；负点位于白色拖尾、黑色路径、外部橙色背景及下方蓝色结构上。"}},{"name":"Blue stepped column formation","description":"A closely packed array of tall blue gradient columns whose upper edges form changing hills and valleys beneath the moving ball.","membership":"Includes the visible column surfaces and their combined stepped outer contour. Excludes the pale vertical background stripes, the ball, and translucent transition overlays.","id":"obj_012","temporal":{"status":"found","start_s":5.25,"end_s":7.25,"reference_s":6.25,"evidence":"目标是球下方紧密排列的蓝色渐变立柱，顶部共同形成阶梯状山谷和山丘，不含浅色背景条纹、球及过渡叠层。首个合格帧为5.25秒，柱面和阶梯轮廓已建立；此前5.00秒仍被大幅过渡面板遮盖，处于揭示过程。最后合格帧为7.00秒；7.25秒柱群向右下方退出，轮廓已被画面边缘截断，7.50秒则换成球体场景。选择6.25秒，柱群的谷形阶梯轮廓清晰，且无过渡叠层遮挡。","start_frame":126,"end_frame":174,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[0,478.7,1000,1000],"positive_points":[[48,611],[216,744],[418,872],[583,803],[777,698],[951,599]],"negative_points":[[462,376],[205,354],[506,596],[845,370]],"evidence":"目标是图像下方紧密排列的蓝色渐变立柱，顶部呈两侧高、中间低的阶梯轮廓。边界框覆盖从右侧最高柱顶到图像底边的整组可见柱体，横跨全宽。六个正点分散在不同柱体表面；负点位于球体和柱体外的浅色条纹背景，避开半透明过渡区域。"}},{"name":"Gradient disk rosette","description":"Overlapping orange, blue, and white circular forms gather into a compact rosette, then align into a centered stack of progressively smaller disks.","membership":"Includes the complete colored disk surfaces and the combined outer silhouette of the cluster. Excludes the surrounding dashed circular guides and diffuse glow.","id":"obj_013","temporal":{"status":"found","start_s":7.5,"end_s":8.75,"reference_s":8.5,"evidence":"目标是橙、蓝、白渐变圆盘重叠形成的花簇，随后对齐为由大到小的同心圆盘叠层，不包括虚线圆环和外围光晕。首个合格帧为7.50秒，圆盘簇已完整建立；此前7.25秒仍是蓝色阶梯状图形。中途放大、重排属于完整对象的变形。最后合格帧为8.50秒；8.75秒已切换为两侧大圆形与中央标志的新构图。选择8.50秒作为关键帧，因为叠层居中、外轮廓完整且各圆盘清晰可辨。","start_frame":180,"end_frame":210,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[275,99,726,902],"positive_points":[[478,145],[685,648],[361,475],[510,754],[564,544],[498,485]],"negative_points":[[205,501],[794,474],[500,28],[495,971]],"evidence":"图中央逐层缩小的橙、蓝、白渐变圆盘构成目标。边界框紧贴最外层圆盘的完整轮廓，包含全部彩色盘面，不含外围虚线圆形参考线和弥散光晕。六个正点分布在各层圆盘��面；四个负点位于整体轮廓之外的上下背景及左右虚线参考线区域。"}},{"name":"Dashed circular guide pattern","description":"Several thin white dashed circular paths surround the gradient disk cluster.","membership":"Includes the circular paths and the areas they enclose, bounded by their outermost visible circular extent. Excludes unrelated scene regions beyond the pattern; the separately listed disk cluster remains within its enclosed region.","id":"obj_014","temporal":{"status":"found","start_s":7.5,"end_s":8.75,"reference_s":7.5,"evidence":"目标是围绕渐变圆盘簇的多条细白色虚线圆形轨道，范围包括轨道围合区域。首个合格帧为7.50秒，圆形导引图案已完整建立，外圈超出画面属于构图裁切；最后合格帧为8.50秒。此前7.25秒仍是蓝色阶梯与竖条背景，尚无虚线圆；此后8.75秒已切换为中央立方体画面，图案消失。选择7.50秒为关键帧，因为圆盘簇较小，虚线轨道遮挡少、轮廓易辨。","start_frame":180,"end_frame":210,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[47,0,954,1000],"positive_points":[[125,430],[291,231],[487,476],[749,305],[848,663],[425,893]],"negative_points":[[30,65],[963,70],[35,926],[972,933]],"evidence":"目标是围绕渐变圆盘簇的多层白色虚线圆形轨道。边界框覆盖最外层轨道及其包围区域，上下被图像边缘截断。正点分布在轨道所包围的不同区域，包括中央圆盘簇；负点位于最外层轨道之外的四角背景。"}},{"name":"NEO BAU- HAUS logo plaque","description":"A central orange-and-blue geometric plaque bearing the stacked black text “NEO”, “BAU-”, and “HAUS”. It appears as a faceted cube, opens into a diamond-shaped frame, and later becomes a smaller square or cube.","membership":"Includes the plaque's colored faces, border or frame, enclosed area, and embedded lettering throughout its rotations and folding changes. Excludes the large flanking gradient spheres and the scene background.","id":"obj_015","temporal":{"status":"found","start_s":8.75,"end_s":14.0,"reference_s":9.5,"evidence":"目标是中央带有黑色三行“NEO / BAU- / HAUS”文字的橙蓝色几何铭牌，包含其彩色面与边框，不含两侧球体。8.75秒首次完整呈现为立方体；此前8.50秒仅有同心球形图案。随后铭牌展开为菱形框，再旋转、折叠为较小方形或立方体，属于同一完整对象的连续变形。最后合格帧为13.75秒，仍完整可见；区间延续至视频结尾14.00秒，无后续采样帧。选择9.50秒作为关键帧，铭牌轮廓和文字清楚、无遮挡，且易与背景球体区分。","start_frame":210,"end_frame":336,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[281,110,719,891],"positive_points":[[499,151],[309,499],[484,410],[573,575],[500,841],[686,501]],"negative_points":[[130,490],[867,503],[500,55],[501,948]],"evidence":"目标是中央带有黑色“NEO / BAU- / HAUS”文字的橙蓝渐变菱形牌。边界框紧贴菱形四个顶点，涵盖边框、内部彩色区域及文字。正点分布在边框、内部和文字区域；负点位于左右大型渐变球体及牌子上下方的外部背景。"}},{"name":"Left flanking gradient sphere","description":"A very large cropped sphere on the left of the logo plaque, shaded in blue, purple, orange, and pale highlights.","membership":"Includes the visible portion of this sphere within its curved silhouette. Excludes the central logo, surrounding background, and the separate sphere on the right.","id":"obj_016","temporal":{"status":"found","start_s":8.75,"end_s":12.25,"reference_s":10.0,"evidence":"目标是中央标志牌左侧的巨大渐变球体，具有清晰的弧形右轮廓，左侧为设计性裁切，不包括右侧球体。首个合格帧为8.75秒，最后为12.00秒；此前8.50秒显示中央同心球体组合，尚未出现该左侧陪衬球；此后12.25秒已切换为方形图案，目标消失。选择10.00秒作为关键帧，球体轮廓清晰，与中央标志及右球易于区分。","start_frame":210,"end_frame":294,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[0,0,281.5,1000],"positive_points":[[34,96],[166,205],[237,447],[203,702],[95,911],[65,526]],"negative_points":[[310,180],[310,815],[501,500],[880,490]],"evidence":"目标是中央菱形标牌左侧、被画面裁切的大型渐变球体。边界框覆盖其全部可见轮廓，从画面左边缘至球体最右端，并延伸至上下边缘。六个正点分布在球体的高光、蓝紫及橙红区域；负点位于球体外背景、中央标牌和右侧独立球体上。"}},{"name":"Right flanking gradient sphere","description":"A very large cropped sphere on the right of the logo plaque, initially showing a pale upper-left highlight with purple and orange shading.","membership":"Includes the visible portion of this sphere within its curved silhouette. Excludes the central logo, background, and left sphere.","id":"obj_017","temporal":{"status":"found","start_s":8.75,"end_s":12.25,"reference_s":9.5,"evidence":"目标是中央标志牌右侧的大型渐变球体，具有弧形左缘、浅色左上高光及紫橙色阴影；画面边缘裁切属于其设计。首个合格帧为8.75秒，最后为12.00秒，期间球体持续完整呈现其可见轮廓。前邻帧8.50秒仍为中央同心球体构图，尚无该右侧陪衬球；后邻帧12.25秒已换为方形几何构图，该球消失。选择9.50秒作为关键帧，球体弧形边界清楚，与中央标志及左球容易区分。","start_frame":210,"end_frame":294,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[718,0,1000,1000],"positive_points":[[900,180],[787,325],[755,535],[810,760],[945,888],[969,473]],"negative_points":[[130,510],[505,495],[729,157],[729,880]],"evidence":"目标是中央菱形标牌右侧的大型渐变球体，上部偏浅紫，下面带橙色阴影。边界框覆盖其弧形轮廓内的全部可见部分，球体被图像上、右、下边缘裁切。六个正点分布在球体内部不同区域；负点位于左球、中央标牌及右球轮廓外的背景。"}}]}
+{"video_id":185,"video_type":"visual design and media animation","targets":[{"name":"Publish button","description":"Bright cyan rounded button labeled \"Publish\", initially shown in close-up and then at the upper right of the editor toolbar.","membership":"Include the button surface, rounded boundary, and label. Exclude the surrounding blue glow and the rest of the toolbar.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":4.25,"reference_s":0,"evidence":"目标是标有“Publish”的亮青色圆角按钮，起初为特写，随后缩小至编辑器工具栏右上角。首个合格帧为0.00秒，按钮表面、边界和文字均已完整呈现；此前没有采样帧。最后合格帧为4.00秒，4.25秒已切换为Desktop画布，按钮不再可见。选择0.00秒作为关键帧，因为按钮最大、轮廓清晰且无遮挡；标注范围不含周围蓝色光晕。","start_frame":0,"end_frame":102,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[286,323,709,679],"positive_points":[[329,404],[647,415],[361,600],[657,604],[476,518],[567,509]],"negative_points":[[154,520],[504,266],[760,525],[504,750]],"evidence":"目标为画面中央标有“Publish”的亮青色圆角按钮。边界框紧贴按钮表面及圆角边缘，不包含外围蓝色光晕。六个正点分布在按钮表面和文字上；四个负点位于左侧其他按钮以及目标上方、右侧和下方的外部背景。"}},{"name":"Style and Agent inspector","description":"Dark editor panel beneath the toolbar, initially showing \"Style\", alignment controls, and \"Position\". It changes to an Agent interface with \"New Chat\" and \"Ask Framer...\".","membership":"Include the inspector surface, boundaries, tabs, dividers, and all visible controls and content within it. Exclude the toolbar above and the neighboring workspace.","id":"obj_002","temporal":{"status":"found","start_s":0.25,"end_s":4.25,"reference_s":3.5,"evidence":"目标是工具栏下方的深色检查器，包含边界、标签和内部控件，不含上方工具栏及左侧工作区。首个合格帧为0.25秒，已显示Style、对齐控件和Position；随后同一面板切换为Agent界面，持续至4.00秒。前一帧0.00秒主要是Publish按钮特写，检查器尚未完整进入可识别的呈现；后一帧4.25秒已切换到Desktop画布。选择3.50秒作为关键帧，面板边界及Agent、Style、New Chat和Ask Framer内容清楚且无遮挡。","start_frame":6,"end_frame":102,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[259,369,830,1000],"positive_points":[[340,474],[456,472],[591,589],[487,665],[775,666],[648,906]],"negative_points":[[738,274],[590,277],[180,650],[890,735]],"evidence":"目标是工具栏下方显示 Agent、Style、New Chat 和 Ask Framer... 的深色检查器面板。边框覆盖其左侧分界线至右侧外边界，并延伸到图像底部，包含标签、分隔线和全部可见控件。正点分布在标签、面板表面、聊天控件及输入区；负点位于上方工具栏、左侧工作区和右侧外部背景。"}},{"name":"Agent tab","description":"Rounded tab labeled \"Agent\" that appears to the left of \"Style\" and becomes the selected inspector tab.","membership":"Include the tab surface, rounded boundary, and label. Exclude animated edge lighting, the adjacent Style tab, and other inspector contents.","id":"obj_003","temporal":{"status":"found","start_s":2.75,"end_s":4.25,"reference_s":3.5,"evidence":"目标是 Style 左侧带“Agent”标签的圆角选中页签，包括底面、边界和文字，不包括蓝色动态边光。2.50 秒仍处于初始淡入，2.75 秒首次完整清晰呈现；最后符合条件的帧为 4.00 秒，4.25 秒画面切换到 Desktop 页面，页签不再可见。选择 3.50 秒作为关键帧，页签形状清楚、无遮挡，且易与相邻 Style 区分。","start_frame":66,"end_frame":102,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[282,412,398,530],"positive_points":[[300,438],[335,430],[382,448],[315,473],[350,481],[367,511]],"negative_points":[[454,472],[489,657],[263,466],[343,560]],"evidence":"目标是位于“Style”左侧、标有“Agent”的圆角选项卡。框覆盖选项卡表面、圆角边界及文字，不包含外围动态光晕。正点分布于表面和标签上；负点位于相邻Style标签、下方New Chat控件以及选项卡外部背景。"}},{"name":"Desktop website artboard","description":"Design canvas labeled \"Desktop 1200\" containing the dark Haus studio website. Its two-column layout includes the Haus identity, introduction, project list, blue-green photograph, and services content, and remains present while its typography and layout are edited.","membership":"Include the website artboard surface, boundary, and all enclosed website content, together with its associated Desktop header bar and controls. Exclude the surrounding black workspace, editor selection overlays, collaborator pointers, floating prompt panel, and separate responsive artboards.","id":"obj_004","temporal":{"status":"found","start_s":4.25,"end_s":20.25,"reference_s":19.75,"evidence":"目标由“Desktop 1200”标题栏及其下方 Haus 深色双栏网页画板识别。4.25 秒画板表面、边界和分栏已建立，属于局部特写；随后内容逐步填入及字体修改不改变容器身份。此前 4.00 秒仍是编辑器侧栏。最后合格帧为 20.00 秒，20.25 秒画板随画面左移开始被左边界裁切退出。选择 19.75 秒作为关键帧，Desktop 画板与右侧 Tablet、Mobile 画板区分清楚，且没有浮动提示面板遮挡。","start_frame":102,"end_frame":486,"reference_frame":474},"grounding":{"status":"found","bbox_xyxy":[63,119.8,478.5,1000],"positive_points":[[119.1,138],[150.4,196.2],[309.6,227.4],[277.8,450.5],[333,747.4],[272.5,963.5]],"negative_points":[[45,510],[489,554],[680,460],[870,600]],"evidence":"目标是左侧标有“Desktop 1200”的 Haus 网站画板。边界框包含顶部标题栏及控件、双栏网站表面与全部可见内容，下缘截于图像底部。正点分布于标题栏、标志、简介、项目列表、照片和服务区域；负点位于外围黑色工作区及独立的平板、手机画板。"}},{"name":"Selected Work project list","description":"Project listing in the right column of the Desktop website, headed \"Selected Work\" and containing Meridian, Norte, Fenix, Veldt, and Forma with their categories and years. Its text changes from small mixed-case lettering to bold uppercase names and monospaced metadata.","membership":"Include the complete project-list section, its background, heading, rows, text, and permanent dividing lines. Exclude the introductory paragraph above, photograph below, selection outlines, and collaborator indicators.","id":"obj_005","temporal":{"status":"found","start_s":6.0,"end_s":20.5,"reference_s":6.25,"evidence":"目标是 Desktop 页面右栏的“Selected Work”区块，包含五个项目及类别、年份和分隔线。6.00 秒首次完整可见；前一帧 5.75 秒右侧仍被画面边缘裁切。期间文字样式改变及浮动输入面板遮挡不改变该区块身份。最后合格帧为 20.25 秒，20.50 秒已切换为独立输入框，项目列表消失。选择 6.25 秒作关键帧，列表完整清晰，协作者指示位于区块之外。","start_frame":144,"end_frame":492,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[433.6,274.3,684.1,525.2],"positive_points":[[460,309],[459,343],[452,379],[454,415],[636,452],[668,488]],"negative_points":[[556,211],[558,648],[369,411],[716,424]],"evidence":"目标是右栏中以“Selected Work”为标题、包含 Meridian、Norte、Fenix、Veldt、Forma 五行的项目列表。框覆盖该区块的背景、标题、行文字及固定分隔线，不含蓝色选择轮廓。六个正点分布在标题和五行内容上；负点位于上方介绍段落、下方照片、左侧栏及右侧外部背景。"}},{"name":"Meridian project row","description":"First project row in the Desktop website's Selected Work section. It is selected and restyled from \"Meridian\" to large bold \"MERIDIAN\", alongside \"Brand Identity\" and \"2025\".","membership":"Include the complete row surface and its project name, category, year, and permanent row boundaries. Exclude blue selection boxes, dashed outlines, pointers, and neighboring rows.","id":"obj_006","temporal":{"status":"found","start_s":6.0,"end_s":16.25,"reference_s":9.0,"evidence":"目标是 Desktop 页面 Selected Work 下的首个项目整行，包含 Meridian／MERIDIAN、Brand Identity、2025 及永久分隔线，不含蓝色选择框和指针。首个合格帧为 6.00 秒；此前 5.75 秒该行右侧仍被画面边界截断。文字改样及中途提示面板遮挡不改变该行身份。最后合格帧为 16.00 秒，16.25 秒镜头放大后该行左侧被截断。选择 9.00 秒作为关键帧，整行边界及三项文字清楚可辨。","start_frame":144,"end_frame":390,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[222.7,229.2,833.5,376.7],"positive_points":[[265.1,300.3],[450.2,301.2],[696.3,332.5],[791.0,332.5],[542.5,277.8],[581.1,351.6]],"negative_points":[[319.3,359.4],[385.7,409.7],[802.2,406.3],[270.0,420.1]],"evidence":"目标是 Selected Work 下首个项目行，含大写粗体 MERIDIAN、Brand Identity 和 2025。框覆盖整行黑色表面及固定行边界；正点分布于名称、类别、年份和行内表面。负点位于排除的蓝色指针、Monika/Paul 标签及相邻 Norte 行，不将蓝色选择框或虚线计入目标。"}},{"name":"Desktop portfolio image carousel","description":"Large blue-and-green photographic carousel below the Desktop project list, showing a motion-blurred person in a blue jacket, a right-arrow control, and pagination dots.","membership":"Include the rectangular image area, its photographic contents, and embedded carousel navigation controls. Exclude the surrounding website sections and overlaid collaborator indicators.","id":"obj_007","temporal":{"status":"found","start_s":6.0,"end_s":7.5,"reference_s":7.0,"evidence":"目标是 Desktop 项目列表下方的蓝绿照片轮播，包含穿蓝色外套的模糊人物、右箭头和底部分页圆点。6.00 秒首次完整呈现，至 7.25 秒仍完整可见；前一帧 5.75 秒尚未显示完整照片轮播，后一帧 7.50 秒因画面放大而被下边界裁切。选择 7.00 秒作为关键帧，矩形图像及导航控件清楚完整，协作者标记位于轮播外。","start_frame":144,"end_frame":180,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[432.6,502.6,684.6,883.7],"positive_points":[[465.3,553.8],[555.7,686.6],[640.6,573.8],[476.6,839.4],[667,693.6],[558.1,856.8]],"negative_points":[[551.8,464.4],[556.6,917],[390.6,694.4],[712.9,694.4]],"evidence":"目标是项目列表下方的蓝绿色摄影轮播，画面中有运动模糊的人物、右箭头及底部分页圆点。边界框紧贴完整矩形图片区域；正点覆盖照片背景、人物和导航控件，负点位于上方项目列表、下方服务区及左右外围，排除周围网页内容和协作者标记。"}},{"name":"Monika collaborator indicator","description":"Cyan triangular collaboration pointer with a rounded name badge reading \"Monika\". It moves through the Desktop project list and later over the floating prompt composer.","membership":"Include the pointer and its associated cyan name badge with lettering, following their changing size and placement. Exclude selected website regions, selection outlines, and the underlying prompt panel.","id":"obj_008","temporal":{"status":"found","start_s":6.0,"end_s":10.5,"reference_s":7.5,"evidence":"目标是青色三角协作指针及写有“Monika”的青色圆角姓名牌，不包含网站选择框。首次完整出现于6.00秒，5.75秒尚无该指示器；最后符合条件的帧为10.25秒，指针和缩小的姓名牌仍完整可见。10.50秒浮动提示面板出现，此次指示器已不可见；之后在面板上的再次出现不合并。选择7.50秒作为关键帧，指针与姓名牌清晰、无遮挡，便于与选择轮廓区分。","start_frame":144,"end_frame":252,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[444.3,341.1,547.9,467.0],"positive_points":[[448.7,350.7],[452.6,365.5],[470.7,425.3],[505.4,434.0],[536.6,429.7],[521.0,454.0]],"negative_points":[[634.8,329.9],[416.5,368.9],[415.0,452.3],[566.4,439.2]],"evidence":"目标是“Norte”旁的青色三角协作指针及其下方写有“Monika”的圆角姓名牌。边界框紧包指针和姓名牌；正点分布在三角形、徽章底色和文字上，负点位于被排除的选择框线、项目文字及右侧背景。"}},{"name":"Paul collaborator indicator","description":"Royal-blue triangular collaboration pointer with a rounded badge reading \"Paul\". It appears alongside Monika, moves over project metadata and the website, and operates the Desktop breakpoint control.","membership":"Include the blue pointer and its associated name badge and lettering. Exclude selection outlines, highlighted content, menus, and the controls beneath it.","id":"obj_009","temporal":{"status":"found","start_s":8.25,"end_s":17.75,"reference_s":9.0,"evidence":"目标是深蓝色三角指针及写有“Paul”的圆角姓名牌。8.25秒两部分首次完整出现；前一帧8.00秒仅有指针，姓名牌尚未显示。此后它在项目资料、网页和Desktop断点控件间移动，中途被提示面板遮挡且背景模糊，前后可确认是同一指示器。最后合格帧为17.50秒，17.75秒已消失。选择9.00秒作为关键帧，指针、姓名牌和文字清晰完整，且易与Monika区分。","start_frame":198,"end_frame":426,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[738.3,342,835.9,439.3],"positive_points":[[742.7,350.7],[745.1,358.5],[777.3,391.5],[827.6,415.8],[793,408],[805,388]],"negative_points":[[386,407],[715,332],[710,372],[799,469]],"evidence":"目标是右侧皇家蓝色三角指针及写有“Paul”的圆角姓名牌。边界框紧贴指针和姓名牌的整���可见范围；正点分布在指针、徽章蓝色表面及文字上，负点位于 Monika 姓名牌、项目元数据、蓝色虚线选择框及下方背景，均不属于目标。"}},{"name":"Style-update prompt composer","description":"Floating dark rounded composer over the Desktop website. It contains a blue \"Stack\" context chip, the progressively typed request \"Use these new text styles and layout settings and update the rest of the page to match.\", a \"GPT 5.5\" selector, and bottom action controls.","membership":"Include the entire rounded composer surface, boundary, context chip, text entry content, model selector, and action buttons. Exclude the blurred website behind it, collaborator indicators, and temporary button glow.","id":"obj_010","temporal":{"status":"found","start_s":10.5,"end_s":13.5,"reference_s":12.0,"evidence":"目标是网站上方的深色圆角浮动输入面板，含蓝色“Stack”标签、“GPT 5.5”选择器和底部操作按钮。10.50秒面板表面与边界已完整建立，后续文字逐步输入不影响容器资格；最后合格帧为13.25秒。此前10.25秒只有网站及协作者标记，此后13.50秒面板消失、恢复网站视图。选择12.00秒作为关键帧，面板轮廓和内部控件清晰，且无协作者标记遮挡。","start_frame":252,"end_frame":324,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[239.3,277.8,763.7,718.8],"positive_points":[[317,350],[541,417],[462,530],[310,646],[722,645],[743,481]],"negative_points":[[512,210],[510,801],[199,502],[801,526]],"evidence":"目标是画面中央的深色圆角浮动输入面板，可由蓝色“Stack”标签、样式更新请求、“GPT 5.5”选择器及底部按钮确认。边界框紧贴整个面板外缘；正点分布于标签、输入内容、面板表面、模型选择器和操作按钮，负点位于面板四周的模糊网站背景。"}},{"name":"Desktop breakpoint add button","description":"Small blue square plus control at the right end of the \"Desktop 1200\" header, operated by Paul to reveal responsive-layout options.","membership":"Include the button surface, rounded boundary, and plus symbol. Exclude the rest of the header, pointer, and menu that opens below it.","id":"obj_011","temporal":{"status":"found","start_s":13.5,"end_s":20.5,"reference_s":16.25,"evidence":"目标是“Desktop 1200”标题栏最右端的蓝色圆角方形加号按钮，Paul 用它打开下方的响应式布局菜单。本次连续出现首帧为 13.50 秒，按钮表面、边界和加号均已完整；前一帧 13.25 秒为提示输入面板，目标不可见。最后合格帧为 20.25 秒，20.50 秒切换为另一输入面板，按钮消失。选择 16.25 秒作为关键帧，因为按钮被放大、轮廓和加号清晰，且菜单尚未打开。","start_frame":324,"end_frame":492,"reference_frame":390},"grounding":{"status":"found","bbox_xyxy":[688.5,99.8,729.5,172.7],"positive_points":[[695.3,118.9],[722.2,115.5],[709.0,133.7],[698.7,159.7],[708.0,164.9],[716.8,136.3]],"negative_points":[[723.6,166.7],[800.8,231.8],[659.2,134.5],[752.0,112.8]],"evidence":"目标是顶部深色标题栏右端的蓝色圆角加号按钮。框紧贴按钮表面及圆角边界，包含白色加号，不包含右下方覆盖的指针。六个正点分布在按钮表面和加号上；负点位于指针、Paul标签、左侧标题栏及右侧黑色背景。"}},{"name":"Breakpoint creation menu","description":"Dark rounded menu opened beneath the Desktop plus control, containing \"Generate...\", \"Tablet 810\", \"Phone 390\", and \"Custom...\".","membership":"Include the menu surface, rounded boundary, option labels and values, separators, and selected-option backing. Exclude the Desktop header, website, and Paul indicator.","id":"obj_012","temporal":{"status":"found","start_s":16.5,"end_s":17.75,"reference_s":17.0,"evidence":"目标是 Desktop 加号下方的深色圆角菜单，包含 Generate...、Tablet 810、Phone 390、Custom... 及分隔线。首个合格帧为 16.50 秒，菜单表面和边界已完整建立；最后合格帧为 17.50 秒。此前 16.25 秒仅显示加号，尚无菜单；此后 17.75 秒菜单已消失，画面切为网站缩小视图。选择 17.00 秒作为关键帧，菜单轮廓、选项和值清楚，Paul 指示位于菜单外，遮挡较少。","start_frame":396,"end_frame":426,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[688,205.7,851.6,627.6],"positive_points":[[730,261],[704,330],[810,376],[735,457],[801,519],[754,572]],"negative_points":[[709,136],[907,370],[829,309],[637,440]],"evidence":"目标是加号下方的深色圆角断点创建菜单，含“Generate...”“Tablet 810”“Phone 390”和“Custom...”。边界框紧贴菜单可见外缘；正点分布于选项文字、数值、选中项底色及菜单表面，负点位于上方加号控件、Paul标签及其蓝色指针和左侧网页区域。"}},{"name":"Tablet website artboard","description":"Separate responsive Haus website preview labeled \"Tablet 1199 — 810\", generated to the right of the Desktop artboard. It contains a narrower two-column version of the identity, introduction, projects, photograph, and services.","membership":"Include this Tablet artboard's surface, boundary, enclosed website content, and associated header bar and controls. Exclude the Desktop and Mobile artboards, surrounding workspace, and blue editing or emphasis overlays.","id":"obj_013","temporal":{"status":"found","start_s":18.0,"end_s":20.5,"reference_s":20.0,"evidence":"目标是 Desktop 右侧、Mobile 左侧，标题为“Tablet 1199 — 810”的独立 Haus 响应式画板。18.00 秒其表面、边界和标题栏已建立，后续内部内容生成及布局调整不影响容器连续性；17.75 秒尚未出现。最后符合帧为 20.25 秒，20.50 秒切换为提示输入框，画板消失。选择 20.00 秒作为关键帧，此时 Tablet 标题及较窄双栏网站结构清晰，可与相邻画板区分。","start_frame":432,"end_frame":492,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[485.4,119,767.6,1000],"positive_points":[[625,139],[544,196],[664,236],[630,467],[681,746],[644,989]],"negative_points":[[352,455],[854,455],[779,530],[634,79]],"evidence":"目标是画面中间、Desktop 右侧标有“Tablet 1199 — 810”的网站画板。边界框包含顶部标题栏及控件、画板表面和全部可见网站内容，底部截于图像边缘。正点分布在标题栏、标志、介绍、项目、照片和服务区域，避开蓝色编辑强调线；负点位于 Desktop、Mobile 及画板外工作区。"}},{"name":"Mobile website artboard","description":"Separate narrow Haus website preview labeled \"Mobile\", generated to the right of the Tablet artboard. Its content rearranges into a vertical layout with the Haus identity, navigation links, introduction, projects, and photograph.","membership":"Include this Mobile artboard's surface, boundary, enclosed website content, and associated header bar and controls. Exclude the neighboring artboards, surrounding workspace, and editing overlays.","id":"obj_014","temporal":{"status":"found","start_s":18.75,"end_s":20.5,"reference_s":20.25,"evidence":"目标是 Tablet 右侧、标题为“Mobile”的独立窄幅 Haus 网站画板，包括其顶部栏和画板边界。18.75 秒首次显示完整建立的画板表面与边界，之后内部内容逐步调整为纵向布局；此前 18.50 秒仅有 Mobile 标题栏，下方画板尚未建立。最后合格帧为 20.25 秒，20.50 秒切换为输入面板，目标消失。选择 20.25 秒作为关键帧，因为 Mobile 画板边界清晰，身份、介绍、项目和照片均可辨认，且与相邻画板分离。","start_frame":450,"end_frame":492,"reference_frame":486},"grounding":{"status":"found","bbox_xyxy":[703.6,119,840,1000],"positive_points":[[744,138],[750,194],[729,321],[771,452],[750,706],[778,954]],"negative_points":[[645,512],[692,477],[864,451],[767,82]],"evidence":"目标是 Tablet 右侧、标题为“Mobile”的窄幅 Haus 网站画板。边界框覆盖其顶部标题栏与控件，以及下方直到图像底边的可见网站内容。正点分布在标题栏、标志、导航、简介、项目和照片上；负点位于相邻 Tablet 画板、画板间隙及上方和右侧工作区，不包含编辑叠加线。"}},{"name":"Framer code prompt panel","description":"Dark rounded panel presented alone against black at the end, with the progressively revealed text \"Build a Framer code\" and a curved return-arrow button at its lower right.","membership":"Include the panel surface, rounded boundary, visible prompt text, and return-arrow button. Exclude the surrounding black background and diffuse text glow.","id":"obj_015","temporal":{"status":"found","start_s":20.5,"end_s":21.0,"reference_s":20.75,"evidence":"20.50秒首次出现独立置于黑色背景上的深色圆角提示面板，其表面、边界及右下角弯曲返回箭头已完整建立；内部文字仍在逐步显示，不影响面板成立。最后合格帧为20.75秒，显示“Build a Framer code”。前一帧20.25秒仍是多个网页布局，尚无该面板；区间延续至视频结束，无后续帧。选择20.75秒为关键帧，面板完整清晰，文字更充分且无遮挡。","start_frame":492,"end_frame":504,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[264.6,337.7,764.7,661.5],"positive_points":[[292,400],[444,414],[711,425],[336,585],[535,558],[723,589]],"negative_points":[[215,485],[813,490],[510,280],[517,720]],"evidence":"目标是黑色背景中央的深色圆角提示面板，含“Build a Framer code”文字及右下角弯曲返回箭头按钮。边界框紧贴面板可见外缘；正点分布于文字、面板表面和按钮，负点位于面板四周的外部黑色背景，避开文字辉光。"}}]}
+{"video_id":186,"video_type":"visual design and media animation","targets":[{"name":"Listen to Playlists title","description":"Large white two-line text reading “Listen to Playlists” in the upper-left of the brown playlist scene.","membership":"Includes all lettering in the two-line title; excludes the brown background, people graphic, and Spotify logo.","id":"obj_001","temporal":{"status":"found","start_s":0.5,"end_s":2.0,"reference_s":1.0,"evidence":"目标是棕色场景左上方白色两行标题“Listen to Playlists”。0.50秒首次完整呈现，1.75秒仍完整可见，虽有移动模糊但字母齐全。前一帧0.25秒中“Playlists”仍从左侧进入且被边界裁切；后一帧2.00秒标题已消失。选择1.00秒作为关键帧，文字清晰、无遮挡，便于标注。","start_frame":12,"end_frame":48,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[84.9,192.6,541.2,540.7],"positive_points":[[93.8,277.8],[200.5,301.9],[531.3,287.0],[95.8,446.3],[255.2,475.9],[445.8,489.8]],"negative_points":[[52.1,120.4],[713.5,222.2],[127.6,671.3],[501.0,666.7]],"evidence":"目标是左上方白色两行标题“Listen to Playlists”。边界框紧贴两行文字的完整可见范围；六个正点分布于两行的字母笔画上，四个负点分别位于标题外的棕色背景、Spotify 标志、绿色人物和右下方其他文字上。"}},{"name":"Playlist attribution text","description":"White text reading “Made by us” and “Or other users!” on two lines in the lower-right of the playlist scene.","membership":"Includes both lines of lettering and the exclamation mark; excludes adjacent graphics and the background.","id":"obj_002","temporal":{"status":"found","start_s":0.25,"end_s":2.0,"reference_s":1.0,"evidence":"目标是播放列表场景右下方的两行白字“Made by us”和“Or other users!”，包括感叹号。首个合格帧为0.25秒，两行已完整显示，虽有运动模糊但未被裁切；此前0.00秒只有背景。最后合格帧为1.75秒，2.00秒文字已消失，只剩人物图形和Spotify标志。选择1.00秒作为关键帧，文字清晰完整且无遮挡。","start_frame":6,"end_frame":48,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[383.3,600.9,919.8,846.3],"positive_points":[[497.9,653.7],[717.7,643.5],[884.4,636.1],[389.6,792.6],[581.3,788.9],[912.0,775.0]],"negative_points":[[953.1,731.5],[677.1,898.1],[322.4,592.6],[710.9,435.2]],"evidence":"已识别右下方白色两行文字“Made by us”和“Or other users!”。边界框完整覆盖两行文字及感叹号；六个正点分布在两行的实际字形笔画上，四个负点位于框外背景、左侧人物图形及上方音乐标志上。"}},{"name":"Group of user silhouettes","description":"A compact group of four green human pictograms assembling at the lower-left beneath the playlist title, with overlapping figures at different heights.","membership":"Includes the circular heads and complete visible body silhouettes of the group, including portions revealed during assembly; excludes background gaps, cast shadows, and adjacent text.","id":"obj_003","temporal":{"status":"found","start_s":1.0,"end_s":2.25,"reference_s":1.5,"evidence":"目标是播放列表标题下方左下角的四个绿色人形，圆头和身体相互重叠、高低错落。1.00秒四人组已完整呈现，0.75秒前排人物仍在进入和展开；最后合格帧为2.00秒，四人仍可辨认，2.25秒已有成员退出，只剩部分人物。下缘持续裁切属于该构图的呈现方式。选择1.50秒作为关键帧，四个人形轮廓清楚且组合稳定。","start_frame":24,"end_frame":54,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[64.6,553.7,369.8,1000],"positive_points":[[126,676],[197,624],[323,591],[265,668],[124,904],[265,923]],"negative_points":[[40,810],[420,910],[302,440],[665,403]],"evidence":"目标是播放列表标题下方左下角重叠排列的四个绿色人形。边界框覆盖四个圆形头部及全部可见身体，底部截于图像边缘，不包含投影。正点分布在四个头部和前排身体上；负点位于组外背景、上方标题及右上方标志上。"}},{"name":"Spotify logo","description":"Green circular Spotify emblem with three dark curved stripes, entering from the right and appearing above the playlist attribution.","membership":"Includes the circular disk, its boundary, and all three enclosed stripes; excludes its shadow, surrounding background, and text.","id":"obj_004","temporal":{"status":"found","start_s":0.75,"end_s":2.25,"reference_s":1.0,"evidence":"目标是播放列表署名文字上方的绿色圆形 Spotify 标志，圆盘内有三条深色弧线。首个完整呈现帧为 0.75 秒，最后合格帧为 2.00 秒；此前 0.50 秒标志仍从右侧进入并被画面边界裁切，此后 2.25 秒标志已消失。选择 1.00 秒作为关键帧，因为圆盘和三条弧线清晰完整、无遮挡，且与周围文字分离。","start_frame":18,"end_frame":54,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[618.8,176.9,806.3,509.3],"positive_points":[[711,213],[646,354],[758,427],[703,463],[719,281],[711,392]],"negative_points":[[589,338],[838,338],[714,125],[500,657]],"evidence":"目标为右上方、播放列表署名文字上方的绿色圆形 Spotify 标志，内有三条深色弧线。边���框紧贴圆盘可见边缘，不包含阴影。正点分布在绿色圆盘和内部弧线上；负点位于圆盘外的背景及下方白色文字上。"}},{"name":"Or Just Simply text","description":"Large white text reading “Or Just Simply” across the upper portion of the music-visualizer scene.","membership":"Includes the full phrase's lettering; excludes the green musical staff and clef behind it, the waveform, and background.","id":"obj_005","temporal":{"status":"found","start_s":2.75,"end_s":4.5,"reference_s":3.0,"evidence":"目标是音乐可视化场景上方的白色完整短语“Or Just Simply”，不包括绿色谱线、谱号或波形。首个合格帧为2.75秒，之前2.50秒的短语尚未完整入画，右侧文字被裁切；最后合格帧为4.25秒，随后4.50秒文字向右退出且已被画面边界裁切。选择3.00秒作为关键帧，因为整句文字清晰完整、无遮挡，易于标注。","start_frame":66,"end_frame":108,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[186.5,187,913,352.8],"positive_points":[[197.9,254.6],[278.6,277.8],[379.2,250],[518.8,277.8],[609.4,204.6],[893.2,254.6]],"negative_points":[[139,223],[48,285],[356,447],[560,400]],"evidence":"目标是画面上方白色大字“Or Just Simply”。边界框紧密覆盖整句文字，包括末尾字母的下伸部分。六个正点分布在不同字母的白色笔画上；负点位于文字外的绿色谱线、谱号、中央波形及棕色背景上。"}},{"name":"Make Your Own text","description":"Large white text reading “Make Your Own!” across the lower portion of the music-visualizer scene.","membership":"Includes the complete phrase and exclamation mark; excludes the musical staff, bass clef, waveform, and background.","id":"obj_006","temporal":{"status":"found","start_s":2.75,"end_s":4.5,"reference_s":3.5,"evidence":"目标是音乐可视化场景下方完整的白色“Make Your Own!”文字，不含谱线、低音谱号或波形。首个合格帧为2.75秒，最后合格帧为4.25秒；前一帧2.50秒中“Make”仍被左边界裁切，后一帧4.50秒中文字开始移出画面，短语已不完整。选择3.50秒作为关键帧，文字完整清晰、无遮挡，便于标注。","start_frame":66,"end_frame":108,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[111.98,672.22,901.56,811.11],"positive_points":[[122,758],[260,727],[418,772],[660,740],[861,769],[891,708]],"negative_points":[[44,728],[948,742],[734,561],[510,909]],"evidence":"目标是画面下方的大号白色“Make Your Own!”。边界框紧贴完整短语及感叹号；六个正点分布在不同字母和感叹号的白色笔画上，负点位于框外的低音谱号、五线谱、波形及背景处。"}},{"name":"Animated audio waveform","description":"A white horizontal audio visualizer between the two text lines, with numerous vertical rectangular bars changing height above and below a central baseline.","membership":"Includes the horizontal baseline and every visible waveform bar throughout their height changes; excludes cast shadows, text, musical staves, and background.","id":"obj_007","temporal":{"status":"found","start_s":2.75,"end_s":4.25,"reference_s":3.0,"evidence":"目标是两行文字之间的白色水平基线及其上下高度变化的矩形音频柱，不含阴影和绿色谱线。首个完整呈现帧为2.75秒，最后合格帧为4.00秒；此前2.50秒仅有部分波形从右侧入场，之后4.25秒波形向左退出且左端音频柱已被画面边界裁切。选择3.00秒作为关键帧，波形完整清晰、柱高明显且无遮挡。","start_frame":66,"end_frame":102,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[0,361.11,1000,638.89],"positive_points":[[40,500],[174,412],[357,454],[642,563],[825,608],[955,500]],"negative_points":[[655,280],[660,740],[300,605],[500,100]],"evidence":"目标是两行文字之间的白色音频波形。边界框覆盖贯穿画面宽度的水平基线及全部上下延伸的白色矩形条，不包含投影。六个正点分布于基线两端和不同高度的波形条上；四个负点位于上下文字及远离波形的棕色背景。"}},{"name":"Join Now call to action","description":"Centered text reading “Join Now!” on a mustard-yellow background, using green, orange, white, and dark letters that change spacing and tilt.","membership":"Includes all letters and the exclamation mark throughout their movement; excludes the long projected shadows and background.","id":"obj_008","temporal":{"status":"found","start_s":5.5,"end_s":7.5,"reference_s":6.5,"evidence":"目标是芥末黄色背景上由绿、橙、白和深色字母组成的“Join Now!”文字，不包括投射长阴影。5.50秒首次完整显示全部字母及感叹号；7.25秒虽缩小、拉开间距并倾斜，文字结构仍完整，是最后合格帧。此前5.25秒仅见圆形过渡图案，此后7.50秒文字已消失，画面变为色块过渡。选择6.50秒作为关键帧，文字完整清晰、无遮挡，便于区分文字与阴影。","start_frame":132,"end_frame":180,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[140.6,400.9,860,609.3],"positive_points":[[202,483],[240,526],[338,526],[579,523],[760,480],[841,472]],"negative_points":[[500,275],[85,500],[500,780],[925,540]],"evidence":"图中中央可见彩色文字“Join Now!”。边界框紧贴全部字母及感叹号，不包含向右下方延伸的长阴影。六个正点分布在不同字形的实心笔画上；负点位于文字外围的芥末黄色背景及投影区域。"}},{"name":"Left no-cost symbol","description":"The left green dollar sign in the purple registration scene, subsequently enclosed by a red prohibition circle and diagonal slash.","membership":"Includes the dollar sign and, as it appears, the entire red ring and slash with the area enclosed by the ring; excludes adjacent registration text and surrounding background.","id":"obj_009","temporal":{"status":"found","start_s":8.25,"end_s":9.5,"reference_s":8.75,"evidence":"目标是紫色注册场景左侧的绿色美元符号及红色禁止圆环、斜杠。8.25秒首次完整呈现，9.25秒仍完整，虽有缩放但符合纳入条件。此前8.00秒红圈尚小且与美元符号分离，组合仍在形成；随后9.50秒红圈缩小并分离，目标开始解体。选择8.75秒作为关键帧，符号完整清晰、无遮挡，且容易与右侧符号及文字区分。","start_frame":198,"end_frame":228,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[93.2,265.7,280.2,598.1],"positive_points":[[185,282],[102,424],[269,440],[185,582],[206,487],[190,420]],"negative_points":[[70,435],[184,217],[187,648],[293,324]],"evidence":"目标是注册文字左侧的绿色美元符号及其红色禁止圆环和斜杠。边界框紧贴整个圆环外缘，涵盖美元符号、斜杠和环内区域。正点分布在圆环各侧、绿色符号及红色斜杠上；负点位于环外紫色背景及右侧注册文字上。"}},{"name":"Right no-cost symbol","description":"The right green dollar sign in the purple registration scene, shown opposite the left symbol and subsequently enclosed by a red prohibition circle and slash.","membership":"Includes the dollar sign and, as it appears, the entire red ring and slash with the area enclosed by the ring; excludes adjacent registration text and surrounding background.","id":"obj_010","temporal":{"status":"found","start_s":8.0,"end_s":9.5,"reference_s":8.75,"evidence":"目标是紫色注册场景右侧的绿色美元符号及其红色禁止圈和斜杠。8.00秒美元符号结构完整，红圈虽小但已完整；之后的缩放和旋转仍保留。最后合格帧为9.25秒。前一帧7.75秒仅有未完成的S形，后一帧9.50秒美元符号已开始拆解、缺失笔画。选择8.75秒作为关键帧，此时美元符号和禁止圈清晰完整，与文字分离。","start_frame":192,"end_frame":228,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[719.8,265.7,907.3,597.2],"positive_points":[[815.1,281.5],[884.4,407.4],[812.5,579.6],[846.9,373.1],[786.5,478.7],[803.1,411.1]],"negative_points":[[704.2,322.2],[937.5,420.4],[813,212],[807.3,658.3]],"evidence":"目标是注册文字右侧的绿色美元符号及红色禁止圆环和斜杠。边界框紧贴完整圆环外缘，包含环内区域。正点分布在红环、斜杠和绿色美元符号上；负点位于左侧注册文字及圆环上方、右侧和下方的外部紫色背景。"}},{"name":"Free registration title","description":"Centered white three-line text reading “Register”, “For”, and “FREE!” between the two no-cost symbols.","membership":"Includes the complete three-line text block throughout its assembly and dispersal; excludes both flanking symbols and the purple background.","id":"obj_011","temporal":{"status":"found","start_s":8.5,"end_s":9.25,"reference_s":8.75,"evidence":"目标是两个禁收费符号之间的白色三行文字“Register / For / FREE!”，不包含两侧符号。8.50秒首次完整呈现，9.00秒为最后合格帧；此前8.25秒字母仍大小不一、尚在组装，此后9.25秒字母开始缩小、缺失并散开。选择8.75秒作为关键帧，文字完整清晰且无遮挡。","start_frame":204,"end_frame":222,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[278.6,250,721.4,792.6],"positive_points":[[289,315],[693,328],[456,483],[293,728],[504,704],[702,769]],"negative_points":[[169,353],[829,349],[500,157],[500,880]],"evidence":"目标为两侧禁收费符号之间的白色三行标题“Register / For / FREE!”。边界框紧贴完整三行文字的最外缘；六个正点分布在各行字形笔画上，四个负点位于左右符号及标题上、下方的紫色背景，均不包含文字内部空隙。"}},{"name":"Get Spotify on heading","description":"White heading reading “Get Spotify on”, initially assembling over green and then moving into the dark header above the mobile illustration.","membership":"Includes the complete heading's lettering; excludes the dark header surface, horizontal divider, green background, and device illustration.","id":"obj_012","temporal":{"status":"found","start_s":11.0,"end_s":13.25,"reference_s":12.75,"evidence":"目标是白色完整标题“Get Spotify on”，不包含深色标题栏或分隔线。11.00秒首次完整显示全部文字，虽然各词仍在移动，也已符合条件；此前10.75秒尚缺少“Get”。最后合格帧为13.00秒，13.25秒标题向上离场并被画面上边缘裁切。选择12.75秒作为关键帧，此时标题清晰完整、无遮挡，且与下方手机插图明确分离。","start_frame":264,"end_frame":318,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[75.5,111.1,858.3,296.3],"positive_points":[[88.5,197.2],[240.6,200],[329.7,141.7],[388.5,272.2],[651,282.4],[846.4,217.6]],"negative_points":[[494.8,60.2],[500,318.5],[494.8,416.7],[724,601.9]],"evidence":"目标是顶部深色横幅内的白色“Get Spotify on”标题。边界框紧贴整段标题的可见字形，包含字母下伸部分；六个正点分布在各处字母笔画上，四个负点分别位于深色横幅空白、水平分隔条、绿色背景和手机屏幕上。"}},{"name":"Mobile label","description":"Large white “Mobile” text to the left of the smartphone in the green device scene.","membership":"Includes only the word's lettering; excludes the phone, background, and heading.","id":"obj_013","temporal":{"status":"found","start_s":12.0,"end_s":13.75,"reference_s":12.75,"evidence":"目标是绿色设备场景中手机左侧的白色“Mobile”字样，不含手机和顶部标题。12.00秒文字已完整出现，11.75秒尚无该字样；最后合格帧为13.50秒，文字虽随场景上移且有运动模糊，但仍完整可见，13.75秒已消失。选择12.75秒作为关键帧，文字清晰、无遮挡，易与手机及标题区分。","start_frame":288,"end_frame":330,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[136.98,579.63,429.17,705.56],"positive_points":[[145.3,646.3],[217.2,657.4],[280.2,631.5],[340.1,664.8],[364.6,638.0],[406.8,625.0]],"negative_points":[[99.0,648.0],[312.5,759.3],[718.8,601.9],[535.4,194.4]],"evidence":"目标是绿色区域中、手机左侧的白色“Mobile”文字。边界框紧贴整个单词的可见字母；六个正点分别位于六个字母的笔画上，四个负点位于文字外的绿色背景、右侧手机和上方标题处。"}},{"name":"Smartphone illustration","description":"Upright dark-gray smartphone on the right of the green mobile scene, with a blank white display, top speaker and sensor dots, and circular bottom button.","membership":"Includes the entire phone body, outer boundary, display, speaker, sensors, and button; excludes the cast shadow, adjacent labels, and background.","id":"obj_014","temporal":{"status":"found","start_s":12.5,"end_s":13.25,"reference_s":12.75,"evidence":"目标是绿色 Mobile 场景右侧的深灰色手机，包含白色屏幕、顶部听筒与传感器及底部圆形按钮。首个完整帧为12.50秒，最后完整帧为13.00秒；此前12.25秒仅有机身，屏幕和控件尚未显现，之后13.25秒顶部控件开始收缩拆解，进入退出动画。选择12.75秒作为关键帧，手机结构清晰完整且无遮挡。","start_frame":300,"end_frame":318,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[651.6,397.2,798.4,884.3],"positive_points":[[724.5,426.9],[672.9,487],[770.8,525],[687.5,775],[774.5,802.8],[725,859.3]],"negative_points":[[614.6,601.9],[833.3,601.9],[724,351.9],[729.2,925.9]],"evidence":"目标是绿色区域右侧的直立深灰色手机，具有白色屏幕、顶部听筒和底部圆形按钮。边界框紧贴手机本体，包含屏幕及各部件，不含左上方投影。正点分布于顶部、屏幕不同区域和底部按钮；负点位于手机四周的绿色背景。"}},{"name":"Desktop workstation illustration","description":"A desktop-computer setup assembling on gray, then positioned on the right beside “PC”: a dark monitor with a white screen, keyboard and mouse on a mustard-colored desk, a small lamp, and a brown mat underneath.","membership":"Includes the visible monitor and stand, keyboard, mouse, lamp, desk surface and legs, and brown mat as one compact workstation illustration. Includes enclosed screen and object surfaces; excludes surrounding gray background, projected shadows, and the separate “PC” label.","id":"obj_015","temporal":{"status":"found","start_s":15.0,"end_s":17.75,"reference_s":16.0,"evidence":"目标是灰底上的整套桌面工作站，包括显示器及支架、键盘、鼠标、台灯、芥黄色桌子和棕色垫，不含“PC”文字及投影。15.00秒各成员已完整建立，虽在移动仍符合条件；前一帧14.75秒台灯灯罩尚未完成。最后合格帧为17.50秒，随后17.75秒放大时桌腿和垫子被画面下边界裁切，因此结束时间为17.75秒。选择16.00秒作为关键帧，整套结构清晰完整，便于标注。","start_frame":360,"end_frame":426,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[477.6,222.2,931.3,882.4],"positive_points":[[703,333],[548,403],[677,511],[814,512],[540,731],[745,802]],"negative_points":[[195,498],[493,296],[953,621],[842,332]],"evidence":"目标是“PC”右侧的桌面工作站插画。边界框紧贴显示器顶部及棕色地垫的左右、下方边缘，涵盖显示器和支架、键鼠、台灯、桌面与桌腿及地垫。正点分布在屏幕、灯罩、键盘、鼠标、桌腿和地垫上；负点位于独立的“PC”文字、外围灰色背景及显示器右侧投影上。"}},{"name":"PC label","description":"Large white text reading “PC” to the left of the desktop workstation.","membership":"Includes the two letters only; excludes the workstation, its shadows, and the gray background.","id":"obj_016","temporal":{"status":"found","start_s":15.25,"end_s":17.25,"reference_s":16.0,"evidence":"目标是桌面工作站左侧的白色“PC”两字母。15.25秒首次完整显示，虽有运动模糊但字形已建立；17.00秒仍完整可见，为最后合格帧。此前15.00秒尚无该文字，此后17.25秒文字已消失。选择16.00秒作为关键帧，字形清晰、无遮挡，且与右侧工作站容易区分。","start_frame":366,"end_frame":414,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[184.9,426.9,332.3,569.4],"positive_points":[[193.8,446.3],[233.3,474.1],[193.8,549.1],[300,441.7],[269.8,500],[312.5,547.2]],"negative_points":[[150,490],[260,385],[260,620],[380,500]],"evidence":"目标是桌面工作站左侧的大号白色“PC”文字。边界框紧贴两个字母的可见范围；六个正点分布在P和C的实际笔画上，四个负点位于文字四周的灰色背景，避开字母内部空洞及字间空隙。"}},{"name":"Web browser illustration","description":"An independently bounded browser graphic on the left of the white web scene, with a gray toolbar, colored window controls, navigation icons, address bar, scrollbar, and brightly colored rectangular page tiles.","membership":"Includes the browser's entire outer boundary, toolbar, controls, address field, page surface, colored tiles, and scrollbar as they unfold and update. Excludes the separate “Web” label, external oval shadow, background, and overlaid pointer.","id":"obj_017","temporal":{"status":"found","start_s":19.25,"end_s":20.0,"reference_s":19.5,"evidence":"目标是白色场景左侧具有灰色工具栏、彩色窗口按钮、地址栏及彩色页面块的独立浏览器图形，不含“Web”文字、外部椭圆阴影或指针。19.00秒右侧仍有卷轴，页面边界尚未展开完成；19.25秒外框与页面结构完整建立，之后内部控件更新不影响其连续出现。最后合格帧为19.75秒，视频于20.00秒结束，无后续帧。选择19.50秒作为关键帧，浏览器完整清晰，且没有指针遮挡。","start_frame":462,"end_frame":480,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[57.3,206.5,664.1,815.7],"positive_points":[[397,243],[104,552],[329,423],[286,699],[439,672],[568,724]],"negative_points":[[890,481],[357,861],[730,330],[360,150]],"evidence":"目标是左侧独立的浏览器插画。边界框覆盖完整外框、顶部工具栏与控件、地址栏、页面表面、彩色矩形和滚动条。正点分布在灰色顶栏及不同位置的彩色页面块上；负点位于右侧“Web”文字、下方椭圆阴影和外部背景，均不属于目标。"}},{"name":"Web label","description":"Large dark text reading “Web” to the right of the illustrated browser window.","membership":"Includes only the word's lettering; excludes the browser panel, background, and shadows.","id":"obj_018","temporal":{"status":"found","start_s":19.0,"end_s":20.0,"reference_s":19.5,"evidence":"目标是浏览器插图右侧的大号深色“Web”字样，仅包含文字。19.0秒首次完整出现，虽有运动模糊但三个字母均已呈现；此前18.75秒尚无该文字。最后一个采样帧19.75秒仍完整可见，因此区间延续至视频结束20.0秒，无后续帧可检查。选择19.5秒作为关键帧，文字清晰且无遮挡，便于区分文字与浏览器面板。","start_frame":456,"end_frame":480,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[702.1,460.2,938.0,606.5],"positive_points":[[717.7,498.1],[791.1,563.0],[839.1,509.3],[832.3,588.0],[883.9,480.6],[927.6,553.7]],"negative_points":[[838.5,403.7],[838.5,671.3],[963.5,541.7],[567.7,492.6]],"evidence":"目标是浏览器插图右侧的大号深色“Web”文字，边界框紧贴整个单词的可见字形。六个正点分布在 W、e、b 的实际笔画上；负点位于文字上方、下方、右侧的外部背景及左侧浏览器面板上，避开字内空洞和字间空隙。"}}]}
+{"video_id":187,"video_type":"visual design and media animation","targets":[{"name":"Model capability statement","description":"The next independent title reads “so you can see how capable this model actually is.” The word “capable” is oversized blue, “see” is orange, and “actually” is italic.","membership":"Include all text and punctuation in this title. Exclude the pale background and reveal effects.","id":"obj_002","temporal":{"status":"found","start_s":6.25,"end_s":7.25,"reference_s":6.5,"evidence":"目标为完整标题“so you can see how capable this model actually is.”，其中 capable 为超大蓝字、see 为橙色、actually 为斜体。首个完整呈现帧为6.25秒，最后 qualifying 帧为7.00秒；前一帧6.00秒尚缺“is.”，后一帧7.25秒已切换为社交平台页面，标题消失。选择6.50秒作为关键帧，全部文字及标点清晰完整、无遮挡。","start_frame":150,"end_frame":174,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[200,270.4,801,739.8],"positive_points":[[287.5,297.2],[567.7,325],[272.4,463.9],[707.3,509.3],[219.3,674.1],[766.7,680.6]],"negative_points":[[162,490],[850,495],[500,200],[505,825]],"evidence":"目标是完整的三行标题“so you can see how capable this model actually is.”，其中 capable 为蓝色大字、see 为橙色、actually 为斜体。边界框覆盖全部文字和句末标点；六个正点分布于三行的实际字形笔画上，四个负点位于标题外围的浅色背景。"}},{"name":"X post claim","description":"The main post text above the embedded demonstration reads “Opus 5.5 did this in 15 minutes” and “This is INSANE” followed by an emoji. Portions are subsequently selected as the view enlarges.","membership":"Include both paragraphs and the terminal emoji as one post text block. Exclude the author information, video, selection highlighting, cursor, and surrounding X interface.","id":"obj_003","temporal":{"status":"found","start_s":7.25,"end_s":16.0,"reference_s":14.25,"evidence":"目标是嵌入演示视频上方的两段正文：“Opus 5.5 did this in 15 minutes”和“This is INSANE”及末尾表情。7.25秒首次完整出现，前一帧7.00秒仍是白底说明文字；此后正文持续存在，缩放和局部文字选中不改变其身份。最后合格帧为15.75秒，区间延伸至视频结束16.00秒，无后续帧。选择14.25秒作为关键帧，此时正文已放大、两段及表情清晰完整，且无选中高亮。","start_frame":174,"end_frame":384,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[181.8,186.1,401.1,289.8],"positive_points":[[184,198],[283,198],[396,199],[186,275],[267,274],[299,276]],"negative_points":[[246,139],[381,486],[344,268],[433,248]],"evidence":"目标是视频上方的主帖正文，包含“Opus 5.5 did this in 15 minutes”和“This is INSANE”及末尾表情。边界框紧贴这两段文字的整体范围；正点分布在两行字形与表情上，负点位于作者信息、视频、鼠标光标及右侧外部背景，排除这些非目标内容。"}},{"name":"Pocketflow animated presenter","description":"A monochrome halftone cartoon presenter with dark curly hair, a rounded smiling face, and a shirt with a square chest emblem. It first stands left of the product cards, later appears beside the phone, within the “on air” panel, and at the right of the closing slogan.","membership":"Include the visible head, hair, facial features, neck, and torso, following the character silhouette. Exclude surrounding panels, text, product graphics, and the separate small portrait inside the phone screen.","id":"obj_004","temporal":{"status":"found","start_s":7.25,"end_s":11.0,"reference_s":8.5,"evidence":"目标是黑白半调风格、深色卷发、圆脸微笑且胸前有方框徽记的卡通讲解员。首个合格帧为7.25秒，此后从产品卡左侧连续移动到手机旁，最后合格帧为10.75秒；不包括手机屏幕内的小头像。前一帧7.0秒仅有说明文字，后一帧11.0秒已切换为大字过渡，讲解员消失。选择8.5秒作为关键帧，人物轮廓和胸前徽记清晰，与产品卡分离，便于标注。","start_frame":174,"end_frame":264,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[285.4,345.4,408.3,604.6],"positive_points":[[346.9,373.1],[326.0,445.4],[370.3,456.5],[349.0,501.9],[306.8,565.7],[369.3,570.4]],"negative_points":[[290.1,438.9],[397.9,377.8],[443.2,469.4],[423.4,562.0]],"evidence":"目标位于帖子内蓝色视频画面的左下方，以深色卷发、圆形笑脸、半色调纹理和胸前方形徽章识别。边界框紧贴可见头发、头脸、颈部和躯干轮廓，底部止于视频裁切边缘。正点分布在头发、脸、颈部、衣服及徽章上；负点位于角色外的蓝色背景和右侧产品卡片上。"}},{"name":"Courses product card","description":"A white rounded card in the blue product demonstration, initially beside the presenter. It contains a monochrome laptop illustration and the label “Courses” with “$149.”","membership":"Include the card surface, rounded boundary, laptop illustration, labels, and price. Exclude adjacent cards, the presenter, and interaction pointers.","id":"obj_005","temporal":{"status":"found","start_s":7.25,"end_s":8.75,"reference_s":8.25,"evidence":"目标是蓝色演示区内带圆角白色底板、黑白笔记本插图及“Courses”“$149”文字的商品卡。7.25秒首次完整出现，8.50秒为最后合格帧；此前7.00秒仍是文字画面，之后8.75秒转场已遮去卡片部分结构和标签。选择8.25秒作为关键帧，卡片边界及内容清晰，与相邻商品卡分开，且无指针遮挡。","start_frame":174,"end_frame":210,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[410.4,307.4,481.3,518.5],"positive_points":[[421.4,331.5],[469.3,350.9],[440.6,394.4],[454.2,438.0],[432.3,481.5],[420.8,501.9]],"negative_points":[[510.9,450.0],[355.2,442.6],[394.8,378.7],[593.8,467.6]],"evidence":"目标是蓝色演示区域中标有“Courses”和“$149”的白色圆角卡片。边界框紧贴整张卡片，包含笔记本插画、文字、价格及卡面。正点分布在卡面、插画和标签区域；负点位于相邻的 Ebooks、Apps 卡片、左侧人物及外部蓝色背景。"}},{"name":"Ebooks product card","description":"A second white rounded product card appears to the right of Courses, showing a halftone stack of books, “Ebooks,” and “$29.”","membership":"Include the complete card boundary and surface, book illustration, labels, and price. Exclude neighboring cards and pointers.","id":"obj_006","temporal":{"status":"found","start_s":7.5,"end_s":8.75,"reference_s":8.25,"evidence":"目标是 Courses 右侧带半色调书堆、“Ebooks”和“$29”的白色圆角卡片。7.50 秒卡片虽小，但自身结构已完整；前一帧 7.25 秒尚未出现。最后合格帧为 8.50 秒，8.75 秒转场中卡片开始淡化并被移除。选择 8.25 秒作为关键帧，卡片边界、书堆及文字清晰，与相邻卡片容易区分。","start_frame":180,"end_frame":210,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[484.9,307.4,555.2,517.6],"positive_points":[[494.3,324.1],[544.8,347.2],[513.0,390.7],[535.9,432.4],[504.7,481.5],[493.2,501.9]],"negative_points":[[444.8,412.0],[593.8,413.0],[520.8,550.9],[515.1,282.4]],"evidence":"目标是 Courses 右侧、Apps 左侧的白色圆角 Ebooks 产品卡，带书堆插图及 $29 价格。边界框紧贴完整卡片；六个正点分布于卡面、书籍插图、标题和价格，四个负点位于相邻卡片及卡外蓝色背景。"}},{"name":"Apps product card","description":"The rightmost white rounded product card shows a monochrome block-like illustration, “Apps,” and “$4.99/mo.”","membership":"Include the complete card surface, boundary, illustration, labels, and price. Exclude the neighboring product cards and blue background.","id":"obj_007","temporal":{"status":"found","start_s":8.0,"end_s":9.0,"reference_s":8.5,"evidence":"目标是最右侧白色圆角 Apps 商品卡，包含黑白块状插图、“Apps”和“$4.99/mo”。首个完整帧为8.00秒；7.75秒仅见 Courses 和 Ebooks 卡。8.75秒转场中 Apps 卡仍完整可见，为最后合格帧；9.00秒已被手机商店界面替代。选择8.50秒作为关键帧，卡片边界、插图和文字清晰，且易与相邻卡片区分。","start_frame":192,"end_frame":216,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[559.9,311.1,629.2,518.5],"positive_points":[[570.8,333.3],[616.1,347.2],[575,411.1],[616.7,435.2],[577.6,481.5],[595.3,501.9]],"negative_points":[[520.8,407.4],[445.8,425.9],[637,421.3],[595.3,546.3]],"evidence":"目标是画面中央蓝色展示区最右侧的白色圆角 Apps 商品卡，含黑白块状插图及“$4.99/mo”价格。边界框紧贴完整卡片，正点分布于卡面、插图和标签区域；负点位于左侧相邻商品卡及卡片右侧、下方的蓝色背景。"}},{"name":"Pocketflow store statement","description":"Text to the left of the phone begins with “Pocketsflow” and develops into “Pocketsflow turns it into a store in” before the transition.","membership":"Include the progressively revealed brand name and accompanying multiline statement. Exclude the phone, presenter, backing field, and transition effects.","id":"obj_008","temporal":{"status":"found","start_s":10.75,"end_s":11.0,"reference_s":10.75,"evidence":"目标是手机左侧以“Pocketsflow”开头的多行商店说明文字。10.75秒整段文字完成揭示，显示“Pocketsflow turns it into a store in minutes.”，是首个及最后一个合格采样帧；此前10.50秒仅揭示到“in”，文字仍未完整，此后11.00秒已被大字转场替换。选择10.75秒作为关键帧，文字清晰且无遮挡，便于与手机和人物区分。","start_frame":258,"end_frame":264,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[207.3,429.6,425.5,629.6],"positive_points":[[211.5,441.7],[303.6,441.7],[243.2,516.7],[211.5,610.2],[282.3,601.9],[374.5,587.0]],"negative_points":[[393.8,494.4],[601.0,579.6],[457.3,721.3],[301.0,697.2]],"evidence":"目标是手机左侧的完整多行文案“Pocketsflow turns it into a store in minutes.”，框覆盖品牌、黑色说明文字及蓝色 minutes。六个正点分布在各行实际字形上；负点位于外部白色背景、手机和下方人物，排除这些非目标内容。"}},{"name":"Mobile storefront mockup","description":"An upright black-edged smartphone on the right of the demonstration. Its blue-and-white storefront contains “Your Store,” a small presenter portrait, and listings for “Design Course,” “Creator Ebook,” and “Focus App.”","membership":"Include the phone’s outer silhouette, bezel, screen, and all screen contents, including the portrait, address field, product illustrations, prices, and buttons. Exclude the larger presenter standing outside the phone and adjacent explanatory text.","id":"obj_009","temporal":{"status":"found","start_s":9.0,"end_s":11.0,"reference_s":10.75,"evidence":"目标是演示画面右侧黑色边框的直立手机，蓝白店铺屏幕内显示头像、“Your Store”及三项商品。9.00秒手机外轮廓、边框和屏幕已完整建立，随后屏幕内容逐步更新不影响手机容器的连续出现；最后合格帧为10.75秒。此前8.75秒仍是商品卡片的转场，手机尚未完整出现；此后11.00秒已切换为黑底文字转场，手机消失。选择10.75秒作为关键帧，因为手机轮廓完整、店铺内容清晰，且易与手机外的大型人物区分。","start_frame":216,"end_frame":264,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[535.4,348.1,668.2,802.8],"positive_points":[[555.2,398.1],[601.6,453.7],[637.5,491.7],[587.5,573.1],[565.1,668.5],[604.2,753.7]],"negative_points":[[459.4,724.1],[351.6,590.7],[517.2,507.4],[678.6,800.0]],"evidence":"目标是演示区域右侧黑色边框的直立手机，屏幕含蓝色店铺页头、“Your Store”和三项商品。边框紧贴手机完整外轮廓，包含边框、屏幕及全部屏幕内容。正点分布在地址栏、头像、蓝色页头和商品列表；负点位于手机外的大人物、说明文字、旁侧白色背景及静音按钮。"}},{"name":"Checkout panel","description":"The left panel of the payment demonstration, headed “// checkout,” displays “Design Course,” its price, Apple Pay, a card-entry field, a cost breakdown, and a blue payment button that eventually reads “Paid.”","membership":"Include the panel surface and boundary and all contents, including changing amounts, payment fields, and the payment button. Exclude neighboring panels, pointers, and the later overlaid confirmation stamp.","id":"obj_010","temporal":{"status":"found","start_s":11.5,"end_s":13.75,"reference_s":13.0,"evidence":"目标是支付演示左侧标有“// checkout”的面板，包含 Design Course、Apple Pay、卡号栏、费用明细及蓝色付款按钮。11.50秒面板表面和边界已完整建立；前一帧11.25秒仍在放大入场，底部付款区域被嵌入视频边界裁切。最后合格帧为13.50秒，面板仍在，虽有确认印章遮挡；13.75秒已切换为黑底人物画面。选择13.00秒作关键帧，面板完整清晰，无确认印章遮挡。","start_frame":276,"end_frame":330,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[207.8,358.3,360.4,793.5],"positive_points":[[231,380],[283,424],[283,506],[279,584],[254,648],[290,746]],"negative_points":[[443,475],[444,658],[598,453],[192,575]],"evidence":"目标是支付演示左侧标有“// checkout”的面板。边界框覆盖面板表面、边界及课程价格、Apple Pay、卡号输入框、费用明细和蓝色支付按钮。正点分布于这些内容，负点位于右侧人物、加购和订阅面板，以及目标左侧的外部背景。"}},{"name":"On-air presenter panel","description":"The upper middle white rounded panel in the payment layout is labeled “// on air” and contains the halftone presenter.","membership":"Include the complete panel surface, boundary, heading, status dot, and enclosed presenter. The separately listed presenter still belongs to this panel while inside it. Exclude adjacent panels and interaction pointers.","id":"obj_011","temporal":{"status":"found","start_s":11.25,"end_s":13.75,"reference_s":13.0,"evidence":"目标是支付布局上方中间的白色圆角面板，含“// on air”标题、蓝色状态点和半调主持人。11.25秒面板自身的表面与边界已完整建立，虽仍在缩放运动也符合条件；此前11.0秒仍是文字转场。最后符合帧为13.5秒，面板仍在原布局中，被“Handled.”印章部分遮挡；13.75秒已切换为黑底主持人画面，面板消失。选择13.0秒作为关键帧，面板边界和内部成员清楚，无遮挡。","start_frame":270,"end_frame":330,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[365.1,358.3,517.7,572.2],"positive_points":[[379,380],[493,399],[433,428],[420,493],[449,552],[376,532]],"negative_points":[[332,478],[555,448],[441,650],[442,323]],"evidence":"目标是支付布局上方中央标有“// on air”的白色圆角面板。边界框覆盖完整面板、标题、状态点及内部网点风格主持人。正点分布在标题、面板表面和人物上；负点位于左侧结账面板、右侧订阅面板、下方加购面板及目标上方的外部区域。"}},{"name":"Subscriptions panel","description":"The upper-right rounded panel is headed “// subscriptions.” A monthly amount animates to “$9 / month” above an OCT–MAR timeline whose markers turn blue.","membership":"Include the panel surface and boundary, heading, recurring-payment icon, amount and unit, month labels, and timeline with its markers and connecting line. Exclude neighboring panels and external confirmation effects.","id":"obj_012","temporal":{"status":"found","start_s":11.5,"end_s":13.75,"reference_s":13.0,"evidence":"目标是嵌入视频右上方标有“// subscriptions”的圆角面板，包含循环付款图标、月费和 OCT–MAR 时间线。11.50 秒面板表面及边界已完整建立，金额和标记后续变化不影响其连续性；13.50 秒仍完整存在，外部“Handled.”确认效果不属于目标。此前 11.25 秒该面板尚未完整显现；此后 13.75 秒画面切换为黑底人物场景，面板消失。选择 13.00 秒作为关键帧，面板清晰，显示“$9 / month”和蓝色时间线，无遮挡。","start_frame":276,"end_frame":330,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[522.9,358.3,675,571.3],"positive_points":[[565.1,379.6],[662.5,379.6],[549,449.1],[603.1,472.2],[611.5,527.8],[630.2,416.7]],"negative_points":[[440.1,471.3],[595.3,622.2],[688,468.5],[448.4,651.9]],"evidence":"根据右上方“// subscriptions”标题、循环付款图标、“$9 / month”和OCT–MAR蓝色时间线确定目标。边界框紧贴整个圆角面板，包含面板表面及全部内部内容。正点分布于标题、图标、金额、单位、时间线和面板表面；负点位于左侧人物面板、下方税务与加购面板以及右侧外部区域。"}},{"name":"Upsells panel","description":"Below the on-air panel, a white rounded panel headed “// upsells” offers “Add the workbook” for “+$19” and a “1:1 coaching call” for “+$99.” The workbook option becomes checked.","membership":"Include the full panel surface and boundary, both offer rows, their illustrations, text, prices, and checkboxes. Exclude interaction pointers and transient floating feedback outside the panel.","id":"obj_013","temporal":{"status":"found","start_s":11.5,"end_s":13.75,"reference_s":13.0,"evidence":"目标是 on-air 面板下方的白色圆角 Upsells 面板，随后显示 workbook（+$19）和 1:1 coaching call（+$99）两行。11.50 秒面板表面及边界已完整建立，内部选项稍后出现不延迟容器起点；前一帧 11.25 秒仍在缩放揭示，下部边界未完整露出。最后合格帧为 13.50 秒，面板虽被 Handled 印章部分遮挡但仍存在；13.75 秒已切换为黑色画面。选择 13.00 秒作关键帧，两行选项、已勾选的 workbook 和完整边界清晰可见，且没有播放控制条遮挡。","start_frame":276,"end_frame":330,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[365.6,580.6,517.7,793.5],"positive_points":[[388.5,601],[436,646.5],[393,668],[499,657.5],[431,724],[480,777]],"negative_points":[[437,486],[287,656],[574,641],[577,741]],"evidence":"目标是中央“on air”下方标题为“// upsells”的白色圆角面板。边框覆盖完整面板、工作簿与辅导通话两行选项及其价格、插图和复选框。正点分布在标题、两行选项、已勾选框及底部面板表面；负点位于面板外的上方人物区、左侧结账区及右侧税务和付款区。"}},{"name":"Taxes panel","description":"The middle-right panel is headed “// taxes,” states “We are your merchant of record.” and shows checked tax categories including “EU VAT,” “UK VAT,” and “US sales tax.”","membership":"Include the complete panel surface, boundary, heading, explanatory text, category labels, and their check marks. Exclude neighboring panels and overlaid confirmation graphics.","id":"obj_014","temporal":{"status":"found","start_s":12.5,"end_s":13.75,"reference_s":13.25,"evidence":"目标是订阅面板下方、付款统计面板上方的“// taxes”卡片，含商户代征说明及税种勾选项。首个合格帧为12.50秒，卡片表面与边界已建立；12.25秒该位置仍为空白虚线占位框。最后合格帧为13.50秒，卡片仍在，但被“Handled.”确认图形部分遮挡；13.75秒已切换为黑底画面，卡片消失。选择13.25秒作为关键帧，完整面板及三个税种勾选项清晰可见，无确认图形遮挡。","start_frame":300,"end_frame":330,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[522.4,580.6,675,682.4],"positive_points":[[541.7,601.9],[580.7,624.1],[544.8,654.6],[590.6,654.6],[641.7,654.6],[660.4,600.9]],"negative_points":[[593.8,535.2],[593.8,742.6],[473.4,656.5],[690.1,631.5]],"evidence":"根据“// taxes”标题、商户备案说明及三个带勾选的税种标签，定位到中右侧税务面板。边界框覆盖完整面板表面和边界；正点分布于标题、说明、税种标签及面板表面，负点位于上方订阅面板、下方付款面板、左侧加购面板和右侧外部背景。"}},{"name":"Payouts panel","description":"The lower-right panel is headed “// payouts.” Its dollar total increases to “$12,480.00,” accompanied by a bank-destination line and ascending blue bars.","membership":"Include the full panel surface and boundary, heading, changing total, destination text, and bar chart. Exclude the surrounding dashboard and external overlays.","id":"obj_015","temporal":{"status":"found","start_s":11.5,"end_s":13.75,"reference_s":13.25,"evidence":"目标是仪表盘右下角随后显示“// payouts”、增长金额、银行去向和蓝色柱状图的面板。11.50秒其完整表面与边界已建立，起初为空白，后续内容填入不改变面板身份；11.25秒该区域仍随布局入场而被裁切。最后合格帧为13.50秒，面板仍在，仅有外部“Handled.”叠层遮挡；13.75秒已切换为黑底场景，面板消失。选择13.25秒作为关键帧，面板边界及各项内容清楚，遮挡最少。","start_frame":276,"end_frame":330,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[522.9,690.7,675,794.4],"positive_points":[[535,712],[569,745],[557,772],[663,748],[630,769],[609,714]],"negative_points":[[600,653],[488,729],[679,801],[585,817]],"evidence":"目标是仪表盘右下角标题为“// payouts”的面板，当前总额显示为“$12,465.92”。边界框覆盖面板表面、边界、标题、金额、银行去向文字及蓝色柱状图。正点分布于这些内容和面板表面；负点位于上方税务面板、左侧加购面板、右下角静音浮层及下方外围背景。"}},{"name":"Handled confirmation stamp","description":"A large tilted white stamp with a blue rounded outline and italic “Handled.” overlays the completed payment dashboard.","membership":"Include the stamp’s outlined enclosure, white interior, and lettering. Exclude the larger surrounding circular sweep, detached check-mark effects, and dashboard beneath it.","id":"obj_016","temporal":{"status":"found","start_s":13.5,"end_s":13.75,"reference_s":13.5,"evidence":"13.50秒可见完整的倾斜白底印章，带蓝色圆角轮廓和斜体“Handled.”字样，覆盖支付仪表板；不包含外围圆形扫线和独立勾选效果。首末合格帧均为13.50秒。前一帧13.25秒只有仪表板，尚无印章；后一帧13.75秒已切换为黑底人物画面，印章消失。选择13.50秒作为关键帧，印章结构完整、文字清晰。","start_frame":324,"end_frame":330,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[316.1,575.9,566.7,744.4],"positive_points":[[330.2,638.0],[351.6,696.3],[411.5,650.0],[471.4,681.5],[546.4,600.9],[552.1,675.0]],"negative_points":[[630.0,655.0],[280.2,748.1],[437.5,476.9],[578.1,642.6]],"evidence":"目标是支付仪表盘上倾斜的“Handled.”确认印章。边界框紧贴蓝色圆角外框，包含白色内部和文字；六个正点分布于印章内部及字样，四个负点位于外围圆弧、Paid按钮、人物头像和右侧仪表盘，排除这些非目标内容。"}},{"name":"Closing creation and payment slogan","description":"On the embedded video’s dark background, text to the left of the presenter progressively reads “You create.” and “We handle the flow.” The words “create” and “flow” are italic, with “flow” in blue.","membership":"Include both lines and their punctuation as one coherent slogan block. Exclude the presenter, dark background, and reveal or lighting effects.","id":"obj_017","temporal":{"status":"found","start_s":15.5,"end_s":15.75,"reference_s":15.5,"evidence":"15.50秒，嵌入视频的深色背景上、讲解人物左侧完整出现两行“You create.”和“We handle the flow.”；create与蓝色flow为斜体，符合目标。首末合格帧均为15.50秒，局部光效不计入目标。前一帧15.25秒第二行仅显示“We handle”，尚未完整揭示；后一帧15.75秒已切换为白底品牌文字。选择15.50秒作为唯一完整呈现该口号的标注关键帧。","start_frame":372,"end_frame":378,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[213,446.3,576,727],"positive_points":[[280.2,515.7],[326.6,523.1],[479.2,530.6],[223.4,640.7],[429.2,633.3],[480.2,700]],"negative_points":[[520,622],[633,615],[364,775],[393,386]],"evidence":"目标是视频内的“You create.”和“We handle the flow.”两行标语，包含蓝色斜体“flow”及标点。框覆盖完整文字块；六个正点分布在两行的字形和句点上，负点位于发光效果、右侧人物及文字块外的深色背景，排除这些非目标内容。"}}]}
+{"video_id":188,"video_type":"visual design and media animation","targets":[{"name":"Already set up heading","description":"Large serif heading above the folder illustration, reading “Already set up: Remotion,” with “Remotion” in blue.","membership":"Includes the complete heading text as it is revealed. Excludes the folder, background, and surrounding empty space.","id":"obj_001","temporal":{"status":"found","start_s":0.25,"end_s":0.75,"reference_s":0.25,"evidence":"目标是文件夹上方的大号衬线标题��Already set up: Remotion”，其中“Remotion”为蓝色。首个完整呈现帧为0.25秒，最后合格帧为0.50秒；前一帧0.00秒中蓝色单词仍在揭示，后一帧0.75秒标题已消失。选择0.25秒作为关键帧，因为完整标题清晰且无遮挡。","start_frame":6,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[253.6,100.9,747.4,173.1],"positive_points":[[287.0,129.6],[373.4,132.4],[441.7,146.3],[514.6,141.7],[562.5,131.5],[740.1,137.0]],"negative_points":[[234.4,134.3],[769.8,137.0],[501.0,229.6],[401.0,354.6]],"evidence":"目标是文件夹上方的完整衬线标题“Already set up: Remotion”，其中 Remotion 为蓝色。边界框紧贴整行文字并包含下伸笔画；六个正点分布在黑色及蓝色文字的实际笔画上，负点位于标题左右及下方空白和文件夹标签上。"}},{"name":"Project folder illustration","description":"White folder-shaped graphic labeled “project-folder,” initially centered and later moved left. Its contents change from the Remotion logo and setup controls to an empty-folder area, then back to the logo during the setup demonstration.","membership":"Includes the folder surface, border, raised tab, label, and all contents, including the logo tile, setup controls, dashed inner frame, and empty-state text when present. Follows the folder’s actual outline. Excludes headings, the neighboring Claude Code panel, and the external connecting line.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":0.5,"evidence":"目标是标有“project-folder”的白色文件夹，具有隆起标签页和完整边框；其内部从 Remotion 图标及设置按钮变为空文件夹，再恢复图标，属于同一容器的连续出现。首个合格帧为0.00秒，最后为7.75秒；视频起点之前没有采样帧，8.00秒已切换为编辑器界面，文件夹消失。选择0.50秒作为关键帧，文件夹轮廓清晰、无遮挡，标签、图标和设置控件易于辨认。","start_frame":0,"end_frame":192,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[341,329,659,745],"positive_points":[[399,354],[369,507],[625,552],[499,536],[447,665],[544,665]],"negative_points":[[498,135],[291,499],[706,534],[498,801]],"evidence":"目标是画面中央标有“project-folder”的白色文件夹。边界框紧贴文件夹主体及顶部凸起标签的可见轮廓，包含内部标志和两个设置控件，不含外部阴影。正点分布在标签、左右表面、标志及两个控件上；负点位于上方标题和文件夹左、右、下方的外部背景。"}},{"name":"No need to run it again heading","description":"Large serif heading replacing the initial heading above the folder, reading “No need to run it again,” with “again” in orange.","membership":"Includes the complete heading text through its progressive reveal. Excludes the folder and other graphics below it.","id":"obj_003","temporal":{"status":"found","start_s":1.75,"end_s":2.25,"reference_s":2.0,"evidence":"目标是文件夹上方的大号衬线标题“No need to run it again”，其中“again”为橙色。首个完整呈现帧为1.75秒，最后合格帧为2.00秒；此前1.50秒仅显示“No need to run it”，标题尚未揭示完整，此后2.25秒标题已消失。选择2.00秒作为关键帧，文字完整清晰且无遮挡。","start_frame":42,"end_frame":54,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[278.6,100,722.4,173.1],"positive_points":[[285.9,134.3],[429.7,129.6],[455.2,134.3],[560.9,138],[583.3,129.6],[715.6,136.1]],"negative_points":[[495,65],[492,225],[395,350],[500,536]],"evidence":"目标是文件夹上方的完整大号衬线标题“No need to run it again”，其中“again”为橙色。边界框紧贴整行文字并包含字母下伸部分；六个正点分布在各词的字形笔画上，负点位于标题上下的外部背景及下方文件夹和图标上。"}},{"name":"Starting fresh heading","description":"Large heading reading “Starting fresh?” above the empty project folder, with “fresh?” in blue.","membership":"Includes only the complete heading text. Excludes the folder illustration and background.","id":"obj_004","temporal":{"status":"found","start_s":3.25,"end_s":3.75,"reference_s":3.25,"evidence":"目标是空项目文件夹上方的完整标题“Starting fresh?”，其中“fresh?”为蓝色。首个合格帧为3.25秒，最后合格帧为3.50秒；前一帧3.00秒的蓝色文字仍未揭示完整，后一帧3.75秒已替换为“Just”。选择3.25秒作为关键帧，因为标题完整清晰且无遮挡。","start_frame":78,"end_frame":90,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[358.3,100,641.7,173.1],"positive_points":[[363.5,114.8],[410.9,136.1],[482.8,135.2],[533.9,137],[617.2,134.3],[637.5,123.1]],"negative_points":[[500,60],[500,220],[320,140],[500,540]],"evidence":"目标是文件夹上方的完整标题“Starting fresh?”，其中“fresh?”为蓝色。边界框紧贴整段标题，包含问号及字母下伸部分。六个正点分布在黑色和蓝色文字的笔画上；负点位于标题外背景及下方文件夹中，排除这些非目标区域。"}},{"name":"Drop the prompt heading","description":"Large serif instruction reading “Just drop that prompt in,” with “drop” in blue, above the folder and Claude Code demonstration.","membership":"Includes the entire progressively revealed heading. Excludes the application illustration, floating prompt card, and folder.","id":"obj_005","temporal":{"status":"found","start_s":4.75,"end_s":5.0,"reference_s":4.75,"evidence":"目标是文件夹与 Claude Code 演示上方的大号衬线标题“Just drop that prompt in”，其中“drop”为蓝色。首个及最后一个合格采样帧均为4.75秒，整句已完整显现；前一帧4.50秒仅显示“Just drop that prompt”，尚未完成文字揭示，后一帧5.00秒标题已消失。选择4.75秒作为关键帧，因为标题完整清晰且无遮挡。","start_frame":114,"end_frame":120,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[263.5,100.9,737,173.2],"positive_points":[[283.9,136.1],[367.2,130.6],[471.4,137],[548.4,142.6],[625.5,139.8],[717.2,141.7]],"negative_points":[[500,64.8],[500,222.2],[229.2,540.7],[533.9,314.8]],"evidence":"目标是画面上方的大号衬线标题“Just drop that prompt in”，其中“drop”为蓝色。边界框紧贴整行文字的可见范围；六个正点分布在各词的字形笔画上，四个负点位于标题上下的外部背景、左侧文件夹及右侧应用插图中。"}},{"name":"Claude Code setup panel","description":"Dark rounded application illustration to the right of the folder, headed “Claude Code” with an orange emblem and an “Opus 5.5” badge. It receives a setup request and displays a checklist covering downloading Remotion, setting up the project, reading documentation, and opening Remotion Studio.","membership":"Includes the panel’s surface, rounded boundary, header, emblem, model badge, input field, submitted message, and progress checklist. Excludes the separately moving white setup-prompt card, external heading, folder, and connecting graphic.","id":"obj_006","temporal":{"status":"found","start_s":3.75,"end_s":8.0,"reference_s":7.5,"evidence":"目标是文件夹右侧的深色圆角 Claude Code 面板，包含橙色标志、Opus 5.5 徽章、输入框及设置进度清单。首个合格帧为3.75秒，面板表面和边界已完整建立，独立白色提示卡仅遮挡部分页眉；此前3.50秒只有文件夹。最后合格帧为7.75秒，8.00秒已切换为 Remotion 编辑器，目标消失。选择7.50秒作关键帧，面板完整清晰，四项清单及徽章均可辨识，无提示卡遮挡。","start_frame":90,"end_frame":192,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[446.4,270.4,938,839.8],"positive_points":[[546.9,308.3],[889.6,308.3],[747.4,396.3],[557.8,540.7],[818.2,638],[666.7,776.9]],"negative_points":[[125,500],[414,554.6],[750,136.1],[973.9,675.9]],"evidence":"目标是文件夹右侧带“Claude Code”标题和“Opus 5.5”徽章的深色圆角面板。边界框紧贴整个面板，涵盖标题栏、请求消息、进度清单和底部输入框。正点分布在标题、徽章、消息、清单、面板表面及输入框；负点位于左侧文件夹、连接图形、上方外部标题和面板右侧背景。"}},{"name":"Setup prompt card","description":"Small white document card labeled “Setup prompt,” with a blue document icon and gray text-like lines. It appears above the Claude Code panel and moves down toward its input field.","membership":"Includes the complete card surface and boundary, its icon, title, and gray lines, following its rotation and scaling. Excludes the underlying Claude Code panel and surrounding shadow.","id":"obj_007","temporal":{"status":"found","start_s":3.75,"end_s":4.5,"reference_s":3.75,"evidence":"目标是标有“Setup prompt”的白色文档卡，包含蓝色文档图标和灰色横线。首个合格帧为3.75秒，卡片结构完整；随后旋转、缩小并向Claude Code输入框移动，4.25秒为最后合格帧。前一帧3.5秒尚无卡片，后一帧4.5秒卡片已消失，输入框改为显示提示文本。选择3.75秒作关键帧，因为卡片较大、边界清晰且遮挡最少。","start_frame":90,"end_frame":108,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[740.1,202.8,959.4,363.9],"positive_points":[[758.9,263.9],[822.9,259.3],[906.3,230.6],[929.2,298.1],[846.4,317.6],[758.9,338.9]],"negative_points":[[713.5,254.6],[974,305.6],[854.2,398.1],[781.3,180.6]],"evidence":"目标是右上方倾斜的白色“Setup prompt”卡片，带蓝色文档图标和灰色横线。边界框紧贴完整卡片的可见外缘，不包含阴影及下方 Claude Code 面板。六个正点分布在图标、标题、灰线和卡片表面；四个负点位于卡片外围背景及下方面板上。"}},{"name":"Entire setup heading","description":"Large serif heading reading “It takes care of the entire setup,” with “setup” in green, above the folder and completed Claude Code checklist.","membership":"Includes the complete heading text through its reveal. Excludes the panels and graphics beneath it.","id":"obj_008","temporal":{"status":"found","start_s":6.75,"end_s":8.0,"reference_s":7.75,"evidence":"目标是面板上方的大号衬线标题“It takes care of the entire setup”，其中“setup”为绿色。6.75秒首次完整显示，持续至7.75秒；前一帧6.50秒的“setup”仍在揭示中，后一帧8.00秒已切换为编辑器画面，标题消失。选择7.75秒作为关键帧，标题完整清晰且无遮挡。","start_frame":162,"end_frame":192,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[200.5,100.9,799,172.2],"positive_points":[[208.3,131.5],[247.9,136.1],[357.3,134.3],[477.1,129.6],[621.9,131.5],[739.6,132.4]],"negative_points":[[498,62],[501,224],[219,521],[673,470]],"evidence":"目标是图像上方的大号衬线标题“It takes care of the entire setup”，末词为绿色。边界框紧密覆盖整行文字；六个正点分散落在各段文字的字形笔画上，四个负点位于标题外的上下背景及下方文件夹、清单面板中。"}},{"name":"Compositions browser","description":"Left sidebar of Remotion Studio, containing the “Compositions” and “Assets” tabs, search field, and a scrollable tree of folders and compositions. The demonstration browses folders such as “Experiments” and “Type-Kit” and eventually selects “StepOneNiche.”","membership":"Includes the sidebar surface, boundary, tabs, search field, and visible tree rows with their labels and icons. Retains the same extent as its contents scroll, folders expand, and selections change. Excludes the top application menu, preview, and timeline below.","id":"obj_009","temporal":{"status":"found","start_s":8.0,"end_s":26.0,"reference_s":20.75,"evidence":"目标是 Remotion Studio 左侧的 Compositions 浏览器，包含 Compositions/Assets 标签、搜索框及文件夹与合成树。8.00 秒首次出现完整侧栏；此前 7.75 秒仍是项目设置示意图，没有该侧栏。此后滚动、展开文件夹和切换选择均未改变其身份，最后一帧 25.75 秒仍完整可见，因此区间延至视频末尾 26.00 秒，之后无采样帧。选择 20.75 秒为关键帧，此时侧栏放大清晰、边界完整，且 Type-Kit 已展开，便于标注。","start_frame":192,"end_frame":624,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[0,32.4,288.5,900.9],"positive_points":[[57,56],[210,57],[138,98],[58,279],[112,500],[181,787]],"negative_points":[[175,14],[651,373],[150,926],[438,977]],"evidence":"通过左侧的“Compositions”“Assets”标签、搜索框以及“Experiments”“Type-Kit”等文件树识别目标。边界框覆盖顶部菜单下方至底部工具栏上方的完整侧栏，包含表面、边界及可见条目。正点分布于标签、搜索框、树行和侧栏表面；负点位于顶部菜单、右侧预览、底部工具栏及时间线。"}},{"name":"Setup composition graphic","description":"The main Remotion Studio preview initially shows a blue title-card animation with soft concentric rings and the large word “Setup.” Its letters reveal and fade as playback is scrubbed.","membership":"Includes the complete bounded blue composition canvas, its rings, color gradients, and animated title. Excludes the surrounding dark preview workspace, editor controls, inspector, and timeline.","id":"obj_010","temporal":{"status":"found","start_s":8.0,"end_s":16.0,"reference_s":10.0,"evidence":"目标是编辑器预览中带柔和同心环、蓝色渐变及“Setup”动画标题的有界画布，不含周围深色工作区。8.00秒画布结构已建立，标题的内部逐字变化不影响画布连续性；此前7.75秒仍是安装流程示意图。最后完整帧为15.75秒，16.00秒画面放大使画布右侧被视频边界裁切，因此结束。选择10.00秒，画布边界完整清晰，标题和环形背景均易于辨认。","start_frame":192,"end_frame":384,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[219.8,76.9,754.2,612.0],"positive_points":[[250,120],[691,144],[314,329],[483,342],[357,556],[702,550]],"negative_points":[[484,50],[757,386],[846,346],[519,803]],"evidence":"目标是中央显示“Setup”的蓝色标题卡。边界框紧贴完整蓝色画布，包含渐变、同心环和标题；正点分布在画布各区域及标题上，负点位于画布外的深色预览工作区、右侧检查器和下方时间线。"}},{"name":"Composition inspector","description":"Right-hand Remotion Studio panel headed “Inspector,” initially showing “SectionCard-Blue,” composition dimensions, frame rate, duration, and editable properties such as “text,” “hold,” and colors. It later shows information for “StepOneNiche.”","membership":"Includes the inspector panel surface, boundary, tabs, composition information, property labels, values, fields, and available asset controls. Excludes the preview, transport controls, and render button below the panel.","id":"obj_011","temporal":{"status":"found","start_s":8.0,"end_s":15.5,"reference_s":10.0,"evidence":"目标是 Remotion Studio 右侧标题为“Inspector”的面板，包含 SectionCard-Blue 信息、尺寸、帧率、时长及属性字段。首个合格帧为 8.00 秒，前一帧 7.75 秒仍是 Claude Code 设置示意图。最后合格帧为 15.25 秒；15.50 秒画面开始放大，面板右侧及字段开始被画面边缘裁切。选择 10.00 秒作关键帧，因为面板布局完整、文字清晰且无遮挡。","start_frame":192,"end_frame":372,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[763.5,27.8,1000,661.1],"positive_points":[[790.1,44.4],[826,107.4],[957.3,172.2],[868.8,292.6],[799.5,407.4],[922.9,605.6]],"negative_points":[[708.3,305.6],[625,679.6],[961.5,680.6],[875,790.7]],"evidence":"右侧以“Inspector”为标题的面板显示“SectionCard-Blue”、尺寸、帧率、时长及可编辑属性，符合目标。边界框覆盖顶部标签、面板表面和全部可见属性，截止于下方控制栏之前。正点分布于标题、组合信息、参数和输入字段；负点位于预览、播放控制栏、Render按钮及下方时间轴。"}},{"name":"Preview playback controls","description":"Compact control group beneath the composition preview, including “Fit,” “1x,” playback and frame-navigation buttons, looping, sound, and viewing controls.","membership":"Includes the visible controls and their individual button surfaces within this central group. Excludes the composition canvas, timeline, left-side zoom slider, right-side render controls, and transient performance readouts.","id":"obj_012","temporal":{"status":"found","start_s":8.0,"end_s":26.0,"reference_s":16.5,"evidence":"目标是预览画布下方由“Fit”“1x”、播放与逐帧导航、循环、声音和查看按钮组成的中央控制组。8.00秒首次完整出现，前一帧7.75秒仍是安装流程示意图，没有该控制组；此后虽界面缩放、预览内容改变，控制组始终完整可见，最后合格帧为25.75秒。区间延伸至视频结尾26.00秒，无后续帧。选择16.50秒作为关键帧，因为按钮较大、轮廓清晰，且与左侧缩放滑杆及下方时间轴易于区分。","start_frame":192,"end_frame":624,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[480.7,907.4,885.4,944.4],"positive_points":[[494.3,925.9],[550.5,925.9],[644.8,925.9],[700,925.9],[720.8,925.9],[874.2,919.4]],"negative_points":[[648,820],[623,980],[79,925],[930,925]],"evidence":"目标是预览画布下方从“Fit”“1x”到播放、逐帧导航、循环、声音及全屏等查看按钮的中央控件组。框紧贴这些控件及各自按钮表面；正点分布在下拉按钮、播放、循环、声音和全屏图标上，负点位于画布、下方时间轴、左侧缩放滑杆及控件组右侧背景，均不属于目标。"}},{"name":"Composition timeline","description":"Lower Remotion Studio editing panel with time and frame readouts, a ruler, and a red playhead. Initially mostly empty for the setup card, it later displays a green audio waveform labeled “untitled-7.mp3” for “StepOneNiche.”","membership":"Includes the timeline panel surface and boundary, ruler, readouts, track-label area, playhead, and track contents, including the audio clip and waveform when present. Excludes the playback toolbar above and the ordinary mouse cursor.","id":"obj_013","temporal":{"status":"found","start_s":8.0,"end_s":26.0,"reference_s":24.75,"evidence":"目标是 Remotion Studio 底部的时间线面板，可由时间／帧数读数、刻度尺、红色播放头及轨道区域识别。8.00 秒首次出现完整编辑器布局；此前 7.75 秒仍是文件夹与 Claude Code 示意图，没有时间线。面板随界面缩放持续存在，后来加入标为“untitled-7.mp3”的绿色音频波形，未见退出或替换。最后合格帧为 25.75 秒，视频于 26.00 秒结束，无后续帧。选择 24.75 秒，因为面板、刻度、播放头及音频轨道均清晰可辨。","start_frame":192,"end_frame":624,"reference_frame":594},"grounding":{"status":"found","bbox_xyxy":[0,699.1,1000,1000],"positive_points":[[26.6,717.6],[64.6,752.8],[489.1,716.7],[781.3,752.8],[217.7,886.1],[859.4,924.1]],"negative_points":[[471.9,679.6],[588.5,482.4],[93.2,559.3],[528.1,775.9]],"evidence":"目标是底部含时间读数、标尺、红色播放头及“untitled-7.mp3”绿色音频波形的时间线面板。边框覆盖播放工具栏下方至图像底边的完整面板，包括轨道标签区和空白轨道表面。正点分布于读数、标签、标尺、波形、播放头及面板表面；负点位于上方工具栏、预览画面、左侧列表和明确排除的鼠标指针上。"}},{"name":"StepOneNiche composition graphic","description":"Blue composition preview shown after selecting “StepOneNiche.” It presents “picking a niche for our AI influencer,” with “niche” on a yellow rectangle, and then the animated “Step One” title as playback returns toward the beginning.","membership":"Includes the complete bounded blue composition canvas, its subtle grid texture, animated text, and yellow rectangular text backings. Excludes the surrounding editor workspace, compositions browser, inspector, playback controls, and timeline.","id":"obj_014","temporal":{"status":"found","start_s":23.75,"end_s":26.0,"reference_s":24.0,"evidence":"目标是 StepOneNiche 的蓝色预览画布，包含网格、黄色文字底块及“picking a niche for our AI influencer”，随后内容变为“Step One”。23.75秒首次完整显示画布边界；前一帧23.50秒画布右侧仍被画面边缘裁切。最后 qualifying 帧为25.75秒，画布仍完整可见，因此区间延续至26.0秒视频结束，无后续帧。选择24.0秒作为关键帧，因为画布边界清楚，文字和黄色底块易于辨认。","start_frame":570,"end_frame":624,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[237.5,83.33,814.58,660.19],"positive_points":[[279,145],[745,168],[318,554],[735,588],[601,324],[501,405]],"negative_points":[[180,450],[875,375],[524,701],[526,49]],"evidence":"目标是中央蓝色 StepOneNiche 合成预览，显示“picking a niche”和“for our AI influencer”，其中 niche 带黄色矩形底色。边界框紧贴完整蓝色画布，包含网格纹理、文字及黄色底色。正点分布在画布各处及文字区域；负点位于左侧浏览器、右侧检查器和画布上下的编辑器区域。"}}]}
+{"video_id":189,"video_type":"visual design and media animation","targets":[{"name":"Reference-video introduction heading","description":"Opening upper text block reading “GIVING THE MODEL” and progressively revealing “a reference video to analyze,” with “reference video” in blue.","membership":"Includes the lettering of the small introductory line and large headline. Excludes the video player, model graphic, and background.","id":"obj_001","temporal":{"status":"found","start_s":1.5,"end_s":1.75,"reference_s":1.5,"evidence":"目标是上方的“GIVING THE MODEL”及完整标题“a reference video to analyze”，其中“reference video”为蓝色。1.50秒是首个且最后一个完整清晰的合格帧；此前1.25秒仅显示到“to”，尚未完成文字揭示；此后1.75秒标题开始模糊淡出，2.00秒被新标题替换。选择1.50秒作为关键帧，全部目标文字清晰且无遮挡。","start_frame":36,"end_frame":42,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[228.1,56.5,773,188],"positive_points":[[421.4,64.8],[526,66.7],[233.3,163],[309.4,138],[512.5,139.8],[701.6,139.8]],"negative_points":[[500,25],[370,245],[270,520],[744,562]],"evidence":"目标是上方由小字“GIVING THE MODEL”和大字“a reference video to analyze”组成的完整标题，其中“reference video”为蓝色。边界框覆盖两行全部文字；六个正点分布在两行的实际字形笔画上，负点位于标题外背景、下方视频播放器及右侧模型图标上。"}},{"name":"Opening reference video player","description":"Large black rounded player initially on the left, labeled “Reference video.” Its orange demonstration contains the headline “Every answer comes straight from IBFD.” and a white Loctax AI chat panel. Playback progressively reveals an answer, citations, and source cards; analysis labels identify type and layout.","membership":"Includes the player's outer frame, orange video surface, embedded text and interface, and bottom playback controls. Excludes external recommendation badges, connecting lines, glow, scanning effects, and added analysis outlines.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":3.75,"reference_s":1.25,"evidence":"目标是左侧标有“Reference video”的黑色圆角播放器，包含橙色视频区域、IBFD 标题、白色 Loctax AI 面板及底部播放控件。0.00 秒时播放器表面和边框已完整建立，视频起点前无采样帧；最后合格帧为 3.50 秒。3.75 秒播放器开始模糊淡出退场，4.00 秒已消失。选择 1.25 秒作为关键帧，播放器清晰完整，尚无分析框或推荐徽章遮挡。","start_frame":0,"end_frame":90,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[72.9,330.6,482.3,785.2],"positive_points":[[99,377],[172,501],[375,552],[179,681],[478,588],[304,760]],"negative_points":[[54,505],[544,664],[742,565],[421,146]],"evidence":"目标是左侧底部标有“Reference video”的大型黑色圆角播放器。边界框覆盖黑色外框、橙色视频画面、标题、白色 Loctax AI 聊天面板及播放控制栏，不含外围蓝色描边与光晕。六个正点分布在画面、内嵌文字与界面、边框和控制栏；四个负点位于左侧外部背景、右侧点阵背景、独立 Opus 图标及顶部标题。"}},{"name":"Opus model graphic","description":"Black rounded-square graphic containing an orange radial symbol. Initially on the right, it moves left and later toward the center as the explanatory layouts change.","membership":"Includes the rounded-square surface and orange symbol. Excludes the separate “Opus 5.5” text, connecting paths, surrounding progress arcs, glow, and attached status-check overlays.","id":"obj_003","temporal":{"status":"found","start_s":0.25,"end_s":20.0,"reference_s":1.0,"evidence":"目标为内含橙色放射状符号的黑色圆角方块，不含下方文字及外围装饰。0.00秒仍处于淡入状态，0.25秒自身结构已完整呈现；随后随布局从右侧移向左侧及中央，持续可见至最后一帧19.75秒。区间结束于视频末尾，无后续采样帧。选择1.00秒为关键帧，此时轮廓和符号清晰，无遮挡且无附着的状态勾选覆盖。","start_frame":6,"end_frame":480,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[688.5,471.3,793.8,658.3],"positive_points":[[708.3,513],[773.4,510.2],[703.1,601.9],[770.8,620.4],[743.2,562],[753.6,588]],"negative_points":[[742.2,695.4],[825.5,564.8],[656.3,564.8],[737,425.9]],"evidence":"目标是图像右侧、独立“Opus 5.5”文字上方的黑色圆角方块及橙色放射状符号。边界框紧贴方块可见外缘，不含光晕和下方文字。六个正点分布于黑色表面及橙色符号，四个负点位于下方文字和方块外侧背景。"}},{"name":"Opus model name","description":"Bold “Opus 5.5” label beneath the black model graphic, following it through the successive layouts.","membership":"Includes only the label lettering. Excludes the model tile, surrounding effects, and connecting lines.","id":"obj_004","temporal":{"status":"found","start_s":0.25,"end_s":20.0,"reference_s":1.0,"evidence":"目标是黑色模型图块下方粗体“Opus 5.5”字样，仅包含文字。0.00秒文字仍呈灰色淡入状态，0.25秒已完整清晰；此后随模型移动、缩放并跨布局持续可见，最后合格帧为19.75秒。区间延伸至视频结束，无后续采样帧。选择1.00秒作为关键帧，文字清晰、无遮挡，便于与上方图块分离标注。","start_frame":6,"end_frame":480,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[702.1,683.3,780.7,717.6],"positive_points":[[709.4,687.0],[720.3,709.3],[733.3,704.6],[744.3,694.4],[757.3,687.0],[775.0,705.6]],"negative_points":[[742.0,565.0],[743.0,752.0],[684.0,698.0],[800.0,699.0]],"evidence":"目标是右侧黑色模型图块下方的粗体“Opus 5.5”。边界框紧贴整段标签文字，包含字母下伸部分；六个正点分布在字母和数字笔画上，负点位于上方模型图块及标签左、右、下方的外部背景，不包含文字内部空隙。"}},{"name":"Recommendation heading","description":"Large upper heading progressively reading “Highly recommended right now,” with the recommendation phrase in dark green.","membership":"Includes only the complete heading's lettering. Excludes the recommendation badge below and all diagram graphics.","id":"obj_005","temporal":{"status":"found","start_s":3.25,"end_s":3.75,"reference_s":3.5,"evidence":"目标为上方完整的“Highly recommended right now”标题，其中“Highly recommended”为深绿色，不含下方徽章及图示。首个合格帧为3.25秒，文字已完整显示，虽仍有位置动画但不影响纳入；最后合格帧为3.50秒。前一帧3.00秒的标题尚未揭示完整，后一帧3.75秒已被“WITHOUT ONE.”替换。选择3.50秒作为关键帧，因为完整标题清晰、排列齐整且无遮挡。","start_frame":78,"end_frame":90,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[186.5,100.0,814.6,173.2],"positive_points":[[193.2,129.6],[286.5,129.6],[336.5,138.9],[561.5,134.3],[649.5,134.3],[736.5,138.0]],"negative_points":[[494.8,60.2],[494.8,226.9],[192.7,324.1],[744.8,564.8]],"evidence":"目标是图像上方完整标题“Highly recommended right now”，前半部分为深绿色。边界框紧贴整行文字并包含字母下伸部分；六个正点分布在标题不同位置的字母笔画上，负点位于标题外背景、下方推荐徽章及右侧图标上。"}},{"name":"Reference recommendation badge","description":"Tilted dark-green pill overlapping the opening player's upper edge, with a white star and “Highly recommended.”","membership":"Includes the pill surface, boundary, star medallion, and text. Excludes the player beneath it and its cast shadow.","id":"obj_006","temporal":{"status":"found","start_s":2.5,"end_s":3.75,"reference_s":3.0,"evidence":"目标是开场播放器上沿倾斜的深绿色胶囊徽章，包含白色星形徽章和“Highly recommended”文字。2.50秒首次完整出现，3.50秒为最后完整清晰的合格帧；前一帧2.25秒尚无该徽章，后一帧3.75秒已随播放器开始模糊淡出。选择3.00秒作为关键帧，徽章轮廓、星形和文字清楚，无遮挡。","start_frame":60,"end_frame":90,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[83.9,280.6,302.6,368.5],"positive_points":[[101.6,335.2],[129.2,329.6],[166.7,325.9],[206.8,317.6],[248.4,312.0],[285.9,311.1]],"negative_points":[[192.7,240.7],[171.9,393.5],[301,356],[58.3,296.3]],"evidence":"���标是播放器上沿倾斜的深绿色“Highly recommended”胶囊徽章，左端带白色星形圆章。边界框紧贴徽章可见外缘，包含底色、星章和文字，不包含投影或播放器。六个正点横向分布于徽章内部；负点位于上方及左侧背景、下方播放器和蓝色Layout标签上。"}},{"name":"Without-reference warning heading","description":"Upper text block beginning “WITHOUT ONE,” followed by “the AI can sometimes struggle” and the italic line “to invent a beautiful composition.” The word “struggle” is orange.","membership":"Includes all lettering in this heading and its explanatory subline. Excludes the model graphic and composition panel below.","id":"obj_007","temporal":{"status":"found","start_s":7.25,"end_s":7.75,"reference_s":7.25,"evidence":"目标是上方包含“WITHOUT ONE,”、“the AI can sometimes struggle”及斜体“to invent a beautiful composition”的完整文字组，其中“struggle”为橙色。首个合格帧为7.25秒，最后合格帧为7.50秒；此前7.00秒的“composition”仍在揭示、下部被裁切，此后7.75秒整组文字已模糊退出，并开始出现“Entirely”。选择7.25秒作为关键帧，文字完整清晰，且无遮挡。","start_frame":174,"end_frame":186,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[205.7,56.5,794.3,251.9],"positive_points":[[439.6,64.8],[212.5,145.4],[522.9,149.1],[766.7,144.4],[334.4,225.9],[508.9,226.9]],"negative_points":[[156.3,148.1],[500,296.3],[243.8,593.5],[761.5,580.6]],"evidence":"目标是上方三行文字，包括“WITHOUT ONE,”、含橙色“struggle”的主标题及斜体说明行。边界框紧密覆盖整个文字块；六个正点分布于三行字母笔画上，负点位于文字块外的背景、下方模型图标和构图面板上。"}},{"name":"Composition and generated-result panel","description":"White rounded panel introduced to the right of the model with a dashed inner boundary. It first shows an empty canvas, then scattered gray and orange blocks with blue layout guides, returns to an empty canvas, and later fills with an orderly purple composition containing text-like bars and a white chat card. It remains visible while shrinking and moving right.","membership":"Includes the panel's surface, outer boundary, enclosed canvas, dashed border, and changing composition contents. Excludes exterior connecting lines, glow, status-check badges, and the temporary orange rejection cross overlaid on the composition.","id":"obj_008","temporal":{"status":"found","start_s":4.25,"end_s":20.0,"reference_s":4.5,"evidence":"目标是模型右侧带白色圆角外框和虚线内边界的画布面板，其内部从空白、散乱色块和布局辅助线变为紫色有序构图，随后缩小并右移，保持连续可见。4.25秒首次显示完整面板，前一帧4.0秒尚无面板；最后合格帧为19.75秒，视频在20.0秒结束，无后续采样帧。选择4.5秒作为关键帧，此时面板完整、边界清楚且无遮挡。","start_frame":102,"end_frame":480,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[416.1,348.1,888,837],"positive_points":[[441,416],[836,405],[538,541],[770,612],[469,764],[820,771]],"negative_points":[[250,591],[652,263],[935,657],[650,922]],"evidence":"目标是模型图标右侧带灰色虚线内框的白色圆角面板，当前画布为空。边界框紧贴面板外缘，涵盖白色表面、虚线边框及内部画布，不包含外围光晕。六个正点分布在面板内部各区域；负点位于左侧模型图标及面板上方、右侧和下方的外部背景。"}},{"name":"From-scratch heading","description":"Replacement upper heading reading “Entirely from scratch,” with “from scratch” in orange.","membership":"Includes only the heading lettering. Excludes the panel and model beneath it.","id":"obj_009","temporal":{"status":"found","start_s":9.0,"end_s":9.5,"reference_s":9.0,"evidence":"目标为上方“Entirely from scratch”标题，其中“from scratch”为橙色，不包括下方模型和面板。首个完整呈现帧为9.00秒，最后合格帧为9.25秒；前一帧8.75秒的“scratch”仍在揭示，末尾字母尚未完整呈现，后一帧9.50秒已替换为“UNLESS”。选择9.00秒作为关键帧，标题完整清晰且无遮挡。","start_frame":216,"end_frame":228,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[292.2,99.1,708.3,174.1],"positive_points":[[299.5,135.2],[351.0,133.3],[417.7,129.6],[464.6,132.4],[547.4,135.2],[687.5,127.8]],"negative_points":[[500,60],[500,240],[250,130],[650,420]],"evidence":"图像上方标题为“Entirely from scratch”，其中“from scratch”为橙色。边界框紧贴整段标题字形，包含末尾及下伸笔画；六个正点分布于黑色和橙色文字笔画上，负点位于标题外背景及下方面板内，排除面板和模型。"}},{"name":"Motion-designer qualification heading","description":"Upper heading beginning “UNLESS YOU ARE” and revealing “a god-level motion designer,” with “god-level” in blue.","membership":"Includes the small introductory line and large headline lettering. Excludes the crowned person graphic and its separate role label.","id":"obj_010","temporal":{"status":"found","start_s":11.25,"end_s":12.0,"reference_s":11.5,"evidence":"目标为上方小字“UNLESS YOU ARE”及大标题“a god-level motion designer”，其中“god-level”为蓝色，不含人物图标和角色标签。11.25秒首次完整显示全部标题，11.75秒为最后合格帧；此前11.00秒仅揭示到“motion”，随后12.00秒标题开始模糊退场并被“Write”替换。选择11.50秒作为关键帧，文字完整清晰且无遮挡。","start_frame":270,"end_frame":288,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[229.7,57.4,771.4,186.1],"positive_points":[[430.2,63.9],[553.1,64.8],[237.0,158.3],[351.0,143.5],[519.8,145.4],[759.9,148.1]],"negative_points":[[169.3,305.6],[292.2,416.7],[333.3,64.8],[810.0,148.0]],"evidence":"目标是顶部由小字“UNLESS YOU ARE”和大字“a god-level motion designer”组成的完整标题，其中“god-level”为蓝色。边界框紧贴两行文字的整体可见范围；六个正点分布在两行的字形笔画上，负点位于被排除的皇冠、独立角色标签及标题外围背景。"}},{"name":"Expert motion-designer graphic","description":"Blue rounded-square tile on the left with a white outline person symbol. A gold crown appears above it to represent the expert designer.","membership":"Includes the blue tile, enclosed person symbol, and attached crown when present, following their visible outlines. Excludes the adjacent “Motion designer” label, shadows, and the instruction panel below.","id":"obj_011","temporal":{"status":"found","start_s":9.75,"end_s":14.75,"reference_s":11.5,"evidence":"目标是左侧带白色人物轮廓的蓝色圆角方块，随后上方出现金色王冠；不包含旁边的“Motion designer”标签。9.75秒方块和人物符号已完整呈现，9.50秒尚未出现；王冠出现后随同目标保留。最后合格帧为14.50秒，14.75秒目标开始模糊淡出。选择11.50秒为关键帧，此时方块、人物和王冠均清晰完整，无遮挡。","start_frame":234,"end_frame":354,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[131.8,265.7,210.4,488.9],"positive_points":[[158.9,319.4],[184.9,309.3],[145.8,379.6],[196.4,445.4],[145.3,459.3],[171.4,396.3]],"negative_points":[[293.8,416.7],[119.8,310.2],[213.5,287.0],[171.9,525.9]],"evidence":"目标是左侧带白色人物轮廓的蓝色圆角方块及其上方金色皇冠。边界框紧贴两者的可见外缘，不含阴影和右侧“Motion designer”标签。正点分布在皇冠、蓝色块及人物线条上；负点位于右侧标签和目标外围背景。"}},{"name":"Motion-designer role label","description":"White pill beside the blue person tile, containing a blue dot and “Motion designer.”","membership":"Includes the pill boundary, surface, dot, and text. Excludes the neighboring person tile and crown.","id":"obj_012","temporal":{"status":"found","start_s":11.0,"end_s":14.75,"reference_s":11.5,"evidence":"目标是蓝色人物图块右侧带蓝点和“Motion designer”文字的白色胶囊标签，不含人物或皇冠。11.00秒首次完整显示，14.50秒为最后合格帧；此前10.75秒标签仍在淡入，边界和表面尚未完整显现，此后14.75秒开始模糊淡出，15.00秒已消失。选择11.50秒作为关键帧，标签清晰完整且无遮挡。","start_frame":264,"end_frame":354,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[223.96,389.81,369.27,443.52],"positive_points":[[233.33,416.67],[252.6,408.33],[281.25,423.15],[307.81,405.56],[333.85,420.37],[359.38,416.67]],"negative_points":[[182.29,416.67],[169.27,305.56],[296.88,365.74],[296.88,471.3]],"evidence":"目标是蓝色人物方块右侧、含蓝点和“Motion designer”文字的白色胶囊标签。边界框紧贴整个胶囊，包含边界、表面、蓝点和文字，不含阴影。正点分布在胶囊内部各处；负点位于相邻人物方块、皇冠及标签上下的外部背景。"}},{"name":"Layout-writing heading","description":"Large upper heading revealing “Write the layout instructions flawlessly,” with “flawlessly” in blue.","membership":"Includes only the complete heading lettering. Excludes the instruction card, expert graphic, and diagram below.","id":"obj_013","temporal":{"status":"found","start_s":13.75,"end_s":14.75,"reference_s":14.0,"evidence":"目标是画面上方完整的“Write the layout instructions flawlessly”标题，其中“flawlessly”为蓝色。首个合格帧为13.75秒，最后合格帧为14.50秒；前一帧13.50秒的蓝色单词仍未揭示完整，后一帧14.75秒标题开始模糊淡出。选择14.00秒作为关键帧，标题完整清晰、无遮挡，易与下方卡片和图示区分。","start_frame":330,"end_frame":354,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[136.5,99.1,864,169.5],"positive_points":[[144.8,116.7],[258.3,132.4],[325,125],[449.5,134.3],[685.4,132.4],[834.4,128.7]],"negative_points":[[500,65],[500,213],[218,588],[163,405]],"evidence":"目标是图像顶部的大标题“Write the layout instructions flawlessly”，末词为蓝色。边界框紧贴完整标题字形，包括下伸笔画；六个正点分布在黑色及蓝色文字笔画上，四个负点位于标题上下的外部背景、下方说明卡和人物图标上。"}},{"name":"Layout instructions card","description":"White rounded card below the expert graphic, titled “Layout instructions” beside a small document icon. Rows labeled “Grid,” “Type,” “Spacing,” and “Motion” appear with gray specification bars.","membership":"Includes the card's surface, boundary, document icon, heading, divider, row labels, and specification bars. Excludes external glow, connecting lines, and the overlapping “Flawless” badge.","id":"obj_014","temporal":{"status":"found","start_s":12.0,"end_s":14.75,"reference_s":14.5,"evidence":"目标是专家图标下方的白色圆角“Layout instructions”卡片，含文档图标、标题、分隔线及随后出现的规格行。12.00秒卡片表面和边界已完整建立，内部行与灰条的更新不推迟起点；前一帧11.75秒尚无卡片。最后合格帧为14.50秒，14.75秒卡片开始模糊淡出。选择14.50秒作关键帧，四行标签和规格条完整清晰；不包含外部连线、光晕及重叠的“Flawless”徽章。","start_frame":288,"end_frame":354,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[65.6,545.0,366.7,851.9],"positive_points":[[90.6,585.2],[176.0,586.1],[101.6,665.7],[244.8,711.1],[270.8,759.3],[335.9,821.3]],"negative_points":[[302.1,543.5],[409.4,648.1],[46.9,748.1],[162.5,413.0]],"evidence":"目标是左下方标题为“Layout instructions”的白色圆角卡片，含四行标签和灰色规格条。边界框紧贴卡片可见外边缘，不含外部光晕、连接线及重叠的“Flawless”徽章。正点分布于文档图标、标题、行标签、规格条和卡片表面；负点位于徽章、连接线、左侧外部背景及上方人物图标。"}},{"name":"Flawless instruction badge","description":"Blue pill overlapping the instruction card's upper-right edge, containing a white checkmark and “Flawless.”","membership":"Includes the pill surface, boundary, checkmark medallion, and lettering. Excludes the instruction card and surrounding glow.","id":"obj_015","temporal":{"status":"found","start_s":13.5,"end_s":14.75,"reference_s":14.25,"evidence":"目标是指令卡右上缘的蓝色胶囊徽章，含白色勾选圆章和“Flawless”文字。13.50秒首次完整呈现，14.50秒为最后一个符合条件的帧；此前13.25秒尚无徽章，此后14.75秒徽章随卡片开始模糊退场，15.00秒已消失。选择14.25秒作为关键帧，徽章轮廓和文字清晰，无遮挡。","start_frame":324,"end_frame":354,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[249.5,513,353.6,574.1],"positive_points":[[259.8,538.9],[276.6,552.8],[287.5,534.3],[310.4,548.1],[334.4,551.9],[346.4,540.7]],"negative_points":[[224,587],[304,483],[379,539],[326,612]],"evidence":"目标是指令卡右上边缘带白色勾号和“Flawless”文字的蓝色胶囊徽章。框紧贴徽章可见边界，包含蓝色表面、勾号圆章及文字，不含周围光晕。六个正点分布在徽章各部分；四个负点位于外部背景及下方指令卡上。"}},{"name":"Visual-reference recommendation heading","description":"Upper text block beginning “FOR MOST OF US,” and progressively revealing “providing a visual reference,” with “visual reference” in blue.","membership":"Includes the introductory line and headline lettering. Excludes the route diagram and its labels.","id":"obj_016","temporal":{"status":"found","start_s":17.0,"end_s":17.5,"reference_s":17.0,"evidence":"目标为上方包含“FOR MOST OF US,”及“providing a visual reference”的文字组，其中“visual reference”为蓝色。首个完整呈现帧为17.00秒，最后合格帧为17.25秒；此前16.75秒的 headline 末尾仍在揭示，之后17.50秒文字已模糊退出且引导行被“DEFINITELY”替换。选择17.00秒作为关键帧，文字完整清晰、无遮挡，易与下方路线图区分。","start_frame":408,"end_frame":420,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[225.5,56.5,775,186],"positive_points":[[430.7,63.9],[234.4,165.7],[379.7,144.4],[490.1,148.1],[593.8,147.2],[765.6,162]],"negative_points":[[338.5,222.2],[365,387],[390.6,555.6],[822.9,129.6]],"evidence":"目标位于图像上方，由“FOR MOST OF US,”引导行和“providing a visual reference”主标题组成，后半部分为蓝色。边界框紧贴两行文字的整体范围；六个正点分布在引导行及主标题的黑色、蓝色字形笔画上，负点位于文字外背景、下方路线标签和示例卡片，排除路线图及其标签。"}},{"name":"General-user graphic","description":"White rounded-square tile with a black outline person symbol, introduced at the left of the route-comparison diagram after the expert-designer presentation clears.","membership":"Includes the white tile surface, boundary, and enclosed person symbol. Excludes connecting routes and the nearby reference player.","id":"obj_017","temporal":{"status":"found","start_s":15.25,"end_s":20.0,"reference_s":17.0,"evidence":"目标是路线对比图左侧的白色圆角方块及其内部黑色人物轮廓，不包含连接路线和参考播放器。15.00秒时图块及人物仍在淡入、显现，15.25秒首次完整呈现；此后持续存在，最后合格帧为19.75秒，故区间结束于视频末尾20.00秒，末尾之后无采样帧。选择17.00秒作为关键帧，图块边界和人物符号清晰，未被附近播放器遮挡。","start_frame":366,"end_frame":480,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[90.1,523.1,168.8,663.0],"positive_points":[[107.3,547.2],[148.4,550.0],[128.1,568.5],[121.4,608.3],[105.2,635.2],[148.4,635.2]],"negative_points":[[72.9,592.6],[192.7,592.6],[187.5,450.0],[338.5,555.6]],"evidence":"目标位于路线对比图左侧，是内含黑色人物轮廓的白色圆角方块。边界框紧贴完整白色方块，包含人物符号，不含连接线或右侧参考播放器。正点分布在方块表面及人物笔画上；负点位于外部背景、连接路线及参考播放器上。"}},{"name":"From-scratch route","description":"Orange winding upper route from the general-user tile toward the model, labeled “From scratch” in a white orange-outlined pill.","membership":"Includes the open orange curve and the attached label pill with its text. The curve does not include the area beneath or between its bends. Excludes the user, model, and other routes.","id":"obj_018","temporal":{"status":"found","start_s":15.75,"end_s":17.5,"reference_s":16.5,"evidence":"目标是从普通用户图标通向模型的橙色上方蜿蜒曲线，以及标有“From scratch”的白底橙边标签。15.75秒曲线和标签首次完整呈现，17.25秒为最后完整且未淡出的帧；此前15.50秒曲线仍在绘制，尚未延伸到模型，此后17.50秒路线及标签开始淡出。选择16.50秒为关键帧，曲线完整清晰，与下方灰色路线及中间参考视频易于区分。","start_frame":378,"end_frame":420,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[167.7,290.7,616.7,574.1],"positive_points":[[181.8,483.3],[270.8,323.1],[369.8,387.0],[439.1,294.0],[521.9,387.5],[614.2,568.5]],"negative_points":[[130.0,591.0],[659.0,590.0],[390.0,575.0],[254.0,430.0]],"evidence":"目标是用户图块上方向模型延伸的橙色曲线及其“From scratch”标签胶囊。边界框紧贴整条曲线和标签的可见范围；六个正点分布在曲线各段及标签内部，四个负点位于用户图块、模型图块、视觉参考面板和曲线下方的外部背景，不包含其他路线。"}},{"name":"Layout-instructions route","description":"Gray lower route with curved ends and a zigzag middle, accompanied by a white pill reading “Layout instructions” and a small gold crown.","membership":"Includes the open gray route and its label pill, crown, and lettering. Excludes the area enclosed only by the route's bends, the user and model tiles, and other routes.","id":"obj_019","temporal":{"status":"found","start_s":15.75,"end_s":17.5,"reference_s":16.5,"evidence":"目标是用户与模型下方的灰色开放路线，两端弯曲、中间呈锯齿，并包含带金色皇冠和“Layout instructions”文字的白色标签。15.75秒首次完整呈现；此前15.5秒路线尚未绘制完成，标签也未出现。最后合格帧为17.25秒，17.5秒路线及标签开始淡出。选择16.5秒作为关键帧，此时路线与标签清晰完整，便于与其他路线区分。","start_frame":378,"end_frame":420,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[166.7,611.1,616.7,895.4],"positive_points":[[209.4,798.1],[291.1,759.3],[416.1,832.4],[523.4,843.5],[311.5,870.4],[387.5,871.3]],"negative_points":[[130.2,592.6],[658.9,592.6],[439.1,294.4],[520.8,935.2]],"evidence":"目标是下方两端弯曲、中间呈锯齿状的灰色路线及带金色皇冠的“Layout instructions”白色标签。边界框覆盖整条可见灰线和标签；正点分布在灰线弯段、折点、皇冠及标签文字上，负点位于用户图块、模型图块、上方橙色路线和下方外部背景。"}},{"name":"Returning visual-reference player","description":"Black rounded player reintroduced into the center of the route diagram, now labeled “Visual reference.” Its orange Loctax AI demonstration again reveals the IBFD headline, answer, and source cards.","membership":"Includes the complete player frame, orange video area and its contents, and bottom playback controls. Excludes the external green approval badge, glow, and connecting routes.","id":"obj_020","temporal":{"status":"found","start_s":16.25,"end_s":20.0,"reference_s":19.5,"evidence":"目标是路线图中央重新出现的黑色圆角播放器，底栏标注“Visual reference”，内部为橙色 Loctax AI 演示。16.00 秒仍从左侧入场并被画面边界裁切；16.25 秒播放器边框、视频区域和播放控件已完整呈现，为首个合格帧。此后持续存在至最后采样帧 19.75 秒，视频在 20.00 秒结束，无后续帧可检查。选择 19.50 秒作为关键帧，播放器清晰，IBFD 标题、回答及来源卡片均已显示；外部绿色认可徽章、光晕和连接路线不属于目标。","start_frame":390,"end_frame":480,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[289.6,473.1,489.1,713.9],"positive_points":[[300.5,496.3],[347.9,559.3],[426,571.3],[453.1,641.7],[348.4,690.7],[476,689.8]],"negative_points":[[485.4,478.7],[546.9,592.6],[270.8,490.7],[661.5,586.1]],"evidence":"目标是图中央底部标有“Visual reference”的黑色圆角播放器。框覆盖完整播放器、橙色视频及其IBFD标题、回答和来源卡片，以及底部播放控件。正点分布在视频内容和底部控制栏；负点位于外置绿色勾选徽章、右侧连接线、左侧背景及Opus图标，排除徽章、光晕和路线。"}},{"name":"Direct visual-reference route","description":"Straight green connection through the route diagram, linking the general user to the returning visual-reference player, then to the model and generated result. It becomes the emphasized alternative to the winding routes.","membership":"Includes the visible green line segments between the diagram's objects. Excludes the objects themselves, traveling light effects, and surrounding background; the open connection encloses no area.","id":"obj_021","temporal":{"status":"found","start_s":17.25,"end_s":20.0,"reference_s":19.5,"evidence":"目标是贯穿路线图、依次连接普通用户、视觉参考播放器、模型和生成结果的绿色直线段，不包含节点对象或流动光点。17.00秒尚缺模型至结果的完整连接；17.25秒所有指定线段均已建立，为首个合格帧。此后持续可见，最后合格帧为19.75秒，区间延至视频终点20.00秒，无后续帧。选择19.50秒作关键帧，绿色直线路径清晰，周围曲线路径已淡化，便于区分。","start_frame":414,"end_frame":480,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[160.9,588.0,760.4,598.1],"positive_points":[[184.9,592.6],[234.4,592.6],[520.8,592.6],[585.9,592.6],[718.8,592.6],[748.4,592.6]],"negative_points":[[208.3,555.6],[390.6,564.8],[661.5,592.6],[562.5,354.6]],"evidence":"目标是贯穿路线图、连接用户、视觉参考播放器、模型与生成结果的三段水平绿色连线。边框紧贴这些可见线段的整体范围；六个正点分布在三段实线上并避开移动光效，负点位于上方背景、播放器、模型图标及上方弯曲路线，均不属于目标。"}},{"name":"Most-effective-path conclusion","description":"Final upper text block beginning “DEFINITELY” and revealing “the smartest and most effective path,” with the central recommendation in dark green.","membership":"Includes the small introductory line and complete large headline lettering. Excludes the reference-workflow diagram below.","id":"obj_022","temporal":{"status":"found","start_s":19.75,"end_s":20.0,"reference_s":19.75,"evidence":"目标是上方由小字“DEFINITELY”和大标题“the smartest and most effective path”组成的结论文字，其中核心推荐词为深绿色，不包括下方流程图。19.75秒首次完整显示全部文字，也是最后一个合格采样帧；前一帧19.50秒尚未显示末词“path”。区间延续至视频结束，之后无采样帧。选择19.75秒作为关键帧，因为完整文字清晰可见且无遮挡。","start_frame":474,"end_frame":480,"reference_frame":474},"grounding":{"status":"found","bbox_xyxy":[162.5,56.5,838,188.9],"positive_points":[[477.6,59.3],[169.8,143.5],[241.1,136.1],[466.7,139.8],[680.7,144.4],[760.9,172.2]],"negative_points":[[119.8,140.7],[500,27.8],[500,240.7],[389.6,565.7]],"evidence":"目标是上方由小字“DEFINITELY”和大标题“the smartest and most effective path”组成的完整文字块。边界框覆盖两行全部文字；六个正点分布于引导语及大标题各段的字形笔画上。负点位于文字块外的背景和下方参考工作流图中，不包含图示。"}}]}
+{"video_id":190,"video_type":"visual design and media animation","targets":[{"name":"Blue ball protagonist","description":"Small blue ball with a white highlight and a yellow curved marking. It begins in the yellow hammock and travels through the illustrated morning routine, workplace, and lunch sequence, including after the animation becomes an inset.","membership":"Include the ball's complete silhouette and markings throughout movement and deformation. Exclude motion streaks, surrounding machinery, and objects carrying it.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":40,"reference_s":0.75,"evidence":"目标是黄色吊床中起始的蓝色小球，具有白色高光和黄色弯曲标记；可连续追踪其经过晨间装置、办公室和午餐场景，并在动画缩为画中画后继续出现。首个合格帧为0.00秒，最后为39.75秒，此时小球仍完整出现在午餐桌右侧轨道上。杯子、烤面包机等造成的短暂遮挡前后身份一致。区间覆盖整个视频，首尾均无区间外相邻帧。选择0.75秒，小球轮廓及标记清晰，且无遮挡。","start_frame":0,"end_frame":960,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[332.8,614.8,367.7,675.0],"positive_points":[[338.5,640.7],[346.9,623.1],[357.8,635.2],[362.5,651.9],[351.6,663.9],[342.2,655.6]],"negative_points":[[351.0,713.0],[324.0,608.3],[541.1,575.9],[306.3,632.4]],"evidence":"目标是黄色吊床内带白色高光和黄色弯曲标记的小蓝球。边界框紧贴球的完整可见轮廓，包含其标记；六个正点分布在球体及标记上，四个负点位于外部背景、黄色吊床和右侧闹钟上。"}},{"name":"Hammock bed","description":"Yellow crescent-shaped hanging bed with a red star, initially beneath the toaster and beside the alarm clock.","membership":"Include the fabric body, star markings, suspension cords, and upper attachment. Exclude the open space between the cords, the ball, clock, and shelf above.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":6.5,"reference_s":1.0,"evidence":"目标是烤面包机下方、闹钟左侧的黄色月牙形吊床，包含红色星纹、两根悬挂绳和顶部连接点。首个合格帧为0.00秒，最后为6.25秒；6.50秒镜头移动后，吊床右侧及悬挂结构被画面右边界裁切。视频起点之前没有采样帧。选择1.00秒作为关键帧，吊床及悬挂结构完整清晰，便于与蓝球、闹钟和上方搁板区分。","start_frame":0,"end_frame":156,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[282.3,287.0,502.6,767.6],"positive_points":[[398.4,301.9],[342.2,443.5],[451.0,452.8],[306.8,648.1],[392.2,728.7],[478.6,659.3]],"negative_points":[[353.6,648.1],[540.6,575.9],[444.8,276.9],[562.5,719.4]],"evidence":"目标是烤面包机下方、闹钟左侧的黄色月牙形吊床。框覆盖床布、星形装饰、两条悬绳及顶部挂钩；正点分布在挂钩、悬绳和床布上，负点位于蓝球、闹钟、上方搁板及外部背景，未标记悬绳之间的空白。"}},{"name":"Alarm clock","description":"Red round alarm clock with a white face and two yellow bells, positioned on a small shelf beside the hammock. A spring-mounted red glove extends from its side.","membership":"Include the clock casing, enclosed face, hands, bells, feet, and attached spring-and-glove mechanism when extended. Exclude the supporting shelf and ringing strokes.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":6.5,"reference_s":5.5,"evidence":"目标是吊床旁红色圆形闹钟，具有白色表盘、黄色双铃及侧面弹簧红手套。首帧0.00秒已完整呈现；最后合格帧为6.25秒，6.50秒时钟体随画面移动被右边界裁切。视频起点之前无采样帧。选择5.50秒作为关键帧，此时钟体清晰，弹簧和红手套完整伸出，便于区分并标注，支撑搁板与响铃线条不属于目标。","start_frame":0,"end_frame":156,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[382.8,452.8,584.4,651.9],"positive_points":[[402.1,616.7],[456.8,611.1],[511.5,500],[568.2,500],[538,564.8],[574,587]],"negative_points":[[567.7,662],[402.6,731.5],[335.9,631.5],[619.8,555.6]],"evidence":"目标是吊床右侧、带黄色双铃和白色表盘的红色闹钟。边框涵盖钟壳、表盘与指针、顶部部件、双铃、钟脚及左侧伸出的弹簧红手套，不含托架和阴影。正点分布在手套、弹簧、双铃、表盘及红色钟壳上；负点位于下方托架、吊床、蓝色物体和右侧外部背景。"}},{"name":"Toaster","description":"Gray rounded toaster with a cyan vertical inset and circular control, initially on the upper shelf. It later launches the toast and blue ball.","membership":"Include the toaster housing, visible slots, controls, and attached lever. Exclude the toast, spoon, ball, supporting shelf, and adjacent loose objects.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":14.75,"reference_s":13.75,"evidence":"目标为带青色竖向嵌条、圆形旋钮及侧面拨杆的灰色圆角烤面包机。0.00秒机身已完整呈现，视频起点之前无采样帧；最后合格帧为14.50秒，14.75秒机身随画面移动开始被左侧边界裁切。选择13.75秒作关键帧，此时吐司和蓝球已弹出，机身完整清晰，便于与旁边的勺子、食物及搁板区分。","start_frame":0,"end_frame":354,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[318,715,465,901],"positive_points":[[343,793],[365,747],[429,789],[403,839],[363,862],[458,794]],"negative_points":[[396,457],[459,502],[479,888],[266,905]],"evidence":"目标是画面下方带青色竖向嵌条和圆形控制钮的灰色烤面包机。边界框覆盖机身、可见控制部件及右侧附属拨杆，��含下方支撑架和旁边的勺子。正点分布在机身、嵌条、圆钮及拨杆上；负点位于吐司、蓝球、勺子和支撑架上。"}},{"name":"Toast slice","description":"Brown rounded-top bread slice initially protruding from the toaster, later ejected into the air.","membership":"Include the entire bread slice and its drawn outline. Exclude the toaster, spoon, and nearby ball.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":14,"evidence":"目标是最初露在烤面包机上方、随后弹起的棕色圆顶面包片，可连续追踪。首个合格帧为0秒，面包已成形，仅下部被烤面包机遮挡；此前无采样帧。最后合格帧为14.75秒，面包落向画面左下方但仍可见，15秒时已离开画面。选14秒为关键帧，面包悬空且轮廓完整，与汤匙、烤面包机和蓝球分离。","start_frame":0,"end_frame":360,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[374.5,302.8,434.4,426.9],"positive_points":[[394.8,324.1],[421.4,342.6],[404.7,365.7],[386.5,379.6],[398.4,409.3],[415.6,386.1]],"negative_points":[[495.3,328.7],[390.6,800.9],[333.3,647.2],[447.9,429.6]],"evidence":"目标是烤面包机上方、蓝色球左侧飞起的棕色面包片。边界框紧贴完整面包片及其深色轮廓；六个正点分布在面包片各部位，四个负点分别位于蓝球、烤面包机、勺子及面包片右下方的外部背景。"}},{"name":"Spoon lever","description":"Gray spoon with a long handle initially resting against the protruding toast; the rising yellow cup brings the ball to this mechanism.","membership":"Include the spoon bowl and handle along their actual outline. Exclude the cup, toast, toaster, and intervening background.","id":"obj_006","temporal":{"status":"found","start_s":6.25,"end_s":14.75,"reference_s":7.0,"evidence":"目标是抵住吐司的灰色长柄勺，随后与升起的黄色杯子相接。6.25秒首次完整进入画面；此前6.00秒勺碗仍被画面上缘裁切。最后合格帧为14.50秒，14.75秒随镜头移动已离开画面。选择7.00秒作为关键帧，此时勺碗和勺柄轮廓清楚，且未被升起的杯子遮挡。","start_frame":150,"end_frame":354,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[592,69,676,146],"positive_points":[[601,84],[609,103],[621,112],[637,123],[652,131],[669,139]],"negative_points":[[668,169],[688,267],[581,100],[577,957]],"evidence":"目标是右上方靠在突出吐司上的灰色勺子。边界框紧贴勺碗及向右下延伸的长柄；六个正点分布在勺碗和柄的实际笔画上，负点位于吐司、烤面包机、勺外背景及下方黄色杯子上。"}},{"name":"Yellow lifting cup","description":"Yellow cup with a cyan band, side handle, and arched suspension handle. It begins hanging below the hammock and later lifts the ball toward the toaster.","membership":"Include the cup body, its contents when visible, side handle, arched carrying handle, and attached suspension cord. Keep the spaces within open handles open; exclude the pulley, spoon, and motion marks.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":11.25,"reference_s":7.25,"evidence":"目标是带青色横带、侧把手和拱形提手的黄色吊杯，连着悬绳，先悬在吊床下方，随后载球升向烤面包机。首个合格帧为0.00秒，视频起点前无帧；最后合格帧为11.00秒，11.25秒杯子翻转并开始被画面上边界裁切。选7.25秒作关键帧，杯身、提手、侧把手与悬绳清晰可辨，遮挡很少。","start_frame":0,"end_frame":270,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[552.1,0,623.4,994.4],"positive_points":[[581.9,138.9],[582.3,623.1],[582.3,878.7],[579.2,938.0],[583.3,965.7],[620.8,952.8]],"negative_points":[[492.7,833.3],[717.7,817.6],[540.6,733.3],[636.5,104.6]],"evidence":"目标是吊床下方带青色横带的黄色杯子。框覆盖杯身、侧把手、拱形提手及向上延伸至图像顶边的悬绳。正点分布在悬绳、提手、青色带、黄色杯身和侧把手上；负点位于蓝色球、吊床、蓝色运动标记及上方勺子上，均不属于目标。"}},{"name":"Animated routine captions","description":"Handwritten black narrative captions within the illustrated sequence, beginning with “i hit snooze” and continuing through the morning, commute, work, meeting, and lunch actions. They remain part of the animation when it is reduced to an inset.","membership":"Include only the currently displayed narrative lettering and punctuation, including wrapped lines and progressive reveals. Exclude illustrated objects, the animation's background and frame, and the later large presentation headings.","id":"obj_008","temporal":{"status":"found","start_s":0.5,"end_s":1.75,"reference_s":0.75,"evidence":"目标是插画内的黑色手写叙事字幕“i hit snooze”，不含插画或后续大型标题。0.50秒首次完整显示，至1.50秒仍完整；前一帧0.25秒文字尚未揭示完毕，后一帧1.75秒开头文字开始被擦除，因此结束时间为1.75秒。选择0.75秒作为关键帧，字幕清晰完整且无遮挡。","start_frame":12,"end_frame":42,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[543.8,756.5,749,833.3],"positive_points":[[547,805.6],[571.4,787],[604.7,795.4],[632.3,791.7],[673.4,786.1],[736.5,805.6]],"negative_points":[[531.3,851.9],[760.4,787],[651,879.6],[540.6,569.4]],"evidence":"目标是画面右下方当前显示的黑色手写叙述“i hit snooze.”。边界框紧贴整段文字及末尾标点；六个正点分布在各处字母笔画上，负点位于文字外的浅色背景及上方闹钟上，排除插画物体。"}},{"name":"Coffee pot","description":"Blue tapered coffee pot with white spots, gray lid, spout, and handle. It appears on a small upper shelf and tips to pour into the red hanging cup.","membership":"Include the complete pot, lid, spout, and handle. Exclude the shelf, pouring stream, and receiving cup.","id":"obj_009","temporal":{"status":"found","start_s":7.0,"end_s":12.25,"reference_s":7.5,"evidence":"目标是上方小搁板上的蓝色白斑咖啡壶，带灰色壶盖、壶嘴和把手，随后倾斜向红色悬杯倒咖啡。首个完整呈现帧为7.00秒；6.75秒壶盖顶部仍被画面上边界裁切。最后完整帧为12.00秒，12.25秒壶已被左边界裁切。选择7.50秒作为关键帧，此时壶直立、结构清楚且无遮挡；不包括搁板、液流和杯子。","start_frame":168,"end_frame":294,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[393.8,1.9,475,135.2],"positive_points":[[429.2,71.3],[444.3,120.4],[432.3,29.6],[432.8,8.3],[402.6,80.6],[471.9,89.8]],"negative_points":[[491.7,160.2],[366.7,262],[494.8,60],[342.2,92.6]],"evidence":"目标是上方小搁板上的蓝色白点咖啡壶。边界框覆盖壶身、灰色壶盖及盖钮、左侧壶嘴和右侧把手，不含搁板、倾倒水流及红色接水杯。正点分布于壶身和各附件，负点位于搁板、红杯、水流及壶外背景。"}},{"name":"Red coffee counterweight cup","description":"Red straight-sided hanging cup beneath the coffee pot. It fills with dark coffee and descends as the yellow cup rises.","membership":"Include the cup body, visible liquid inside, side handle, arched suspension handle, and attached hanging cord. Exclude the coffee pot and the liquid stream outside the cup.","id":"obj_010","temporal":{"status":"found","start_s":6.5,"end_s":10.5,"reference_s":9.0,"evidence":"目标是蓝色咖啡壶下方的红色直壁悬挂杯，带侧把、拱形提柄和吊绳；咖啡逐渐装入后，红杯下降、黄杯上升。首个合格帧为6.50秒，前一帧6.25秒红杯尚未进入画面。最后合格帧为10.25秒，10.50秒杯体开始被画面下边缘裁切。选择9.00秒作为关键帧，杯体、把手、吊绳及杯内深色咖啡清晰可见。","start_frame":156,"end_frame":252,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[329.2,0,396.9,310.2],"positive_points":[[369.8,64.8],[353.6,173.1],[351.6,232.4],[369.8,288.9],[388,250],[332.3,254.6]],"negative_points":[[415.6,90.7],[460.9,134.3],[416.7,259.3],[312.5,185.2]],"evidence":"目标是蓝色咖啡壶下方的红色直壁悬挂杯。边界框包含红色杯身、底部深色咖啡、左侧把手、弧形吊柄及延伸至图像顶端的吊绳；不包含咖啡壶和杯外液流。六个正点分布于吊绳、吊柄、杯身、咖啡和侧把手，四个负点位于咖啡壶、木杆及杯外背景。"}},{"name":"Shower fixture","description":"Bent gray pipe ending in a downward-facing shower head, shown over a yellow-and-white tiled patch as the ball rolls beneath it.","membership":"Include the pipe and shower head along their actual outlines. Exclude the wall tiles, falling water droplets, soap, and track below.","id":"obj_011","temporal":{"status":"found","start_s":6.25,"end_s":12.25,"reference_s":7.25,"evidence":"目标是黄白瓷砖前的灰色弯管及朝下的淋浴喷头，不包括水滴、肥皂和下方轨道。首次完整可见于6.25秒，最后符合条件的帧为12.00秒；此前6.00秒喷头装置仍被画面左缘裁切，此后12.25秒装置随镜头移动再次被左缘裁切。7.25秒管道和喷头轮廓清晰、无遮挡，适合作为空间标注关键帧。","start_frame":150,"end_frame":294,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[453.6,304.6,546.4,567.6],"positive_points":[[455.7,353.7],[463.0,441.7],[462.0,506.5],[486.5,531.5],[517.2,537.0],[533.3,558.3]],"negative_points":[[439.6,370.4],[526.0,444.4],[521.9,638.9],[435.9,586.1]],"evidence":"目标是黄白瓷砖前向下弯曲、末端连接灰色朝下喷头的管道。边框紧贴竖直管段、弯曲段和喷头的可见范围；六个正点分布在管道轮廓及喷头上，四个负点分别落在瓷砖、水滴和肥皂等排除对象上。"}},{"name":"Shower rolling track","description":"Wood-colored track beneath the shower, consisting of a sloping straight section and a lower curved catch section that guide the blue ball toward the yellow cup.","membership":"Include both visible track sections and their attached support bracket. Exclude the open gap between them, water, ball, cup, and background.","id":"obj_012","temporal":{"status":"found","start_s":6.25,"end_s":12.0,"reference_s":9.25,"evidence":"目标是淋浴头下方的木色斜直轨道、下层弯曲承接轨道及其支撑架。6.25秒首次两段均完整入镜；此前6.00秒下层弯轨仍被左侧画面边界裁切。11.75秒是最后完整可见帧，12.00秒镜头上移后轨道离开画面。选择9.25秒，轨道清楚完整，蓝球和水滴几乎不遮挡，便于标注两段结构。","start_frame":150,"end_frame":288,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[445.3,672.2,630.2,883.3],"positive_points":[[451.5,720.4],[456.8,818.5],[515.1,865.7],[505.2,811.1],[597.4,783.3],[560.4,825]],"negative_points":[[475,724.1],[587.5,935.2],[696.4,810.2],[415.1,731.5]],"evidence":"目标是淋浴下方通向黄色杯子的木色轨道。框覆盖左下弯曲承接段、右上倾斜直段及直段下的支架。六个正点分布在两段轨道和支架上；负点位于蓝球、黄色杯子、吊床及左侧外部背景，排除这些非目标内容。"}},{"name":"Cup pulley","description":"Spoked pulley above the yellow cup, revealed as the view moves upward toward the toaster-launch sequence.","membership":"Include the wheel's outer rim, enclosed interior, spokes, and axle. Exclude its supporting shelf and the hanging cord assigned to the cup.","id":"obj_013","temporal":{"status":"found","start_s":12.0,"end_s":14.25,"reference_s":13.0,"evidence":"目标是黄色杯子上方、杯子吊绳绕过的带辐条滑轮，区别于更左侧的另一只轮子。12.00秒首次完整露出轮缘、辐条和轴心，14.00秒为最后完整可见帧；此前11.75秒仍被画面上边缘裁切，此后14.25秒开始被左边缘裁切。选择13.00秒作为关键帧，轮子清晰、无遮挡，且与下方黄色杯子的关系明确。","start_frame":288,"end_frame":342,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[218.75,328.7,289.06,455.56],"positive_points":[[223.96,366.67],[251.56,391.67],[266.15,375],[251.04,361.11],[243.23,417.59],[254.17,449.07]],"negative_points":[[229.17,325.93],[286.46,509.26],[281.25,643.52],[315.1,408.33]],"evidence":"目标是黄色杯子上方、画面左侧的辐条滑轮。边界框紧贴可见轮体，包含外轮缘、内部、辐条和轮轴，不包含上方支架及下垂绳索。正点分布在轮缘、轮轴、辐条和轮内区域；负点位于支架、悬绳、黄色杯子及右侧背景。"}},{"name":"Wind-up bus","description":"Yellow bus with cyan windows, a red lower stripe, dark wheels, roof rack, and winding key. It carries the blue ball through the uphill commute.","membership":"Include the entire bus body, windows, wheels, roof rack, and attached key. Exclude the ball, exhaust or motion marks, road tracks, and bus-stop sign.","id":"obj_014","temporal":{"status":"found","start_s":14.5,"end_s":22.25,"reference_s":16.0,"evidence":"目标是带青色车窗、红色下沿、深色车轮、车顶架及上弦钥匙的黄色巴士，载着蓝球沿坡道行驶。14.50秒首次完整进入画面，前一帧14.25秒车头仍被右边界裁切；22.00秒是最后完整可见帧，22.25秒巴士开始被左边界裁切。选择16.00秒作为关键帧，车身、车轮、车顶架和钥匙清晰，便于排除蓝球、轨道及运动标记。","start_frame":348,"end_frame":534,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[406.3,489.8,602.1,669.4],"positive_points":[[410.9,594.4],[514.6,499.1],[452.6,583.3],[576.6,523.1],[501.6,600.9],[475,642.6]],"negative_points":[[468.8,490.7],[531.3,654.6],[455.2,288.9],[387.5,665.7]],"evidence":"目标是斜坡上的黄色发条巴士，具有青色车窗、红色下沿和深色车轮。框覆盖车身、车窗、车轮、车顶架及左侧钥匙；正点分布于这些部件，负点位于蓝球、下方轨道、站牌及左后方尾气标记，均不属于目标。"}},{"name":"Bus switchback tracks","description":"Two wood-colored sloping tracks forming the compact uphill-and-return route beneath the bus, with triangular supports and a red end stop.","membership":"Include the track planks, attached supports, junction, and red stop. Exclude the open space between tracks, the bus, sign, buildings, and staircase above.","id":"obj_015","temporal":{"status":"found","start_s":15.0,"end_s":20.0,"reference_s":18.25,"evidence":"目标是巴士下方两条木色斜轨及其三角支撑、右侧接合处和红色挡块。15.00秒首次完整呈现，14.75秒右端仍被画面边界裁切；19.75秒为最后完整帧，20.00秒下方轨道开始被底边裁切。选择18.25秒作为关键帧，双层折返轨道轮廓清楚，便于与巴士、站牌及上方阶梯区分。","start_frame":360,"end_frame":480,"reference_frame":438},"grounding":{"status":"found","bbox_xyxy":[426.6,491.7,681.8,746.3],"positive_points":[[469.3,507.4],[649,591.7],[674.5,566.7],[442.7,688.9],[481.8,725],[590.6,673.1]],"negative_points":[[509.4,462],[717.2,646.3],[608.3,313],[550,583.3]],"evidence":"目标是公交车下方两段木色折返斜轨。边界框涵盖轨道木板、连接处、三角支撑和右端红色挡块；正点分布在木板、连接处、挡块及下方支撑上。负点位于公交车、右侧建筑、上方楼梯及两轨之间的开放背景，均不属于目标。"}},{"name":"Corporate ladder staircase","description":"Ascending yellow bar-like steps crossed by diagonal rails, first above the bus and then used by the blue ball to reach the workstation.","membership":"Include the yellow step bodies, their outlines, diagonal rails, and base. Preserve open spaces around the structure; exclude the bus tracks, ball, workstation, and nearby wall graphics.","id":"obj_016","temporal":{"status":"found","start_s":19.25,"end_s":22.25,"reference_s":20.75,"evidence":"目标是蓝球通往工作台的黄色递增阶梯，包含阶梯主体、斜向扶栏及底座，不含下方巴士轨道。19.25秒首次完整呈现，前一帧19.00秒上端仍被画面边界裁切；22.00秒是最后完整帧，22.25秒阶梯下部开始被画面边界裁切。选择20.75秒作为关键帧，阶梯轮廓清楚，主体完整且易与周边轨道区分。","start_frame":462,"end_frame":534,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[426,268,658,779],"positive_points":[[471,701],[527,637],[589,560],[618,436],[620,332],[596,769]],"negative_points":[[538,477],[374,787],[424,521],[724,201]],"evidence":"目标是从巴士上方向右上方工作台升高的黄色阶梯结构。框覆盖黄色阶梯主体、黑色轮廓、斜向栏杆及底座；正点分布在阶梯、栏杆和底座上，负点分别位于排除的蓝球、巴士、盆栽和工作台显示器上。"}},{"name":"Framed rising line chart","description":"Small framed chart with an upward-trending green line, initially above the bus beside the potted plant and below the workplace clock.","membership":"Include the frame, enclosed chart surface, green line and arrow, and hanging attachment. Exclude the adjacent plant, shelf, clock, and staircase.","id":"obj_017","temporal":{"status":"found","start_s":15.5,"end_s":22.25,"reference_s":20.5,"evidence":"目标是公交车上方、盆栽左侧的绿色上升折线图，包含画框、图面及顶部悬挂件。15.50秒首次完整呈现；前一帧15.25秒顶部仍被画面边界裁切。22.00秒为最后合格帧，22.25秒随镜头移动从左侧离开并被裁切。选择20.50秒作为关键帧，画框、悬挂件和绿色折线清楚，便于排除邻近盆栽及楼梯。","start_frame":372,"end_frame":534,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[270.8,318.5,394.8,496.3],"positive_points":[[332,324],[274,421],[327,489],[305,397],[344,418],[375,377]],"negative_points":[[421,432],[469,260],[422,559],[252,405]],"evidence":"目标是公交车上方、盆栽左侧的绿色上升折线图。边界框紧贴画框及顶部悬挂附件，包含框内图面、绿线和箭头。正点分布在挂件、边框、图面及绿线上；负点位于相邻盆栽、时钟、搁板和框外背景，排除这些非目标内容。"}},{"name":"Workstation computer","description":"Desktop monitor with a yellow screen, dark surround, and stand at the top of the corporate ladder. Its screen changes from a single email symbol to multiple envelope symbols.","membership":"Include the monitor housing, screen and all displayed symbols, stand, and visible base. Exclude the desk, pencil cup, separate envelope, and ball.","id":"obj_018","temporal":{"status":"found","start_s":19.75,"end_s":28.0,"reference_s":27.0,"evidence":"目标是公司阶梯顶部的黄色屏幕、深色外框及支架底座的电脑，屏幕随后显示多个信封符号。首个完整呈现帧为19.75秒，最后完整帧为27.75秒；19.5秒电脑仍被画面右缘裁切，28.0秒已被左缘裁切。选择27.0秒作关键帧，电脑结构清晰完整，多封邮件图标明显，便于排除桌面、笔筒和独立信封。","start_frame":474,"end_frame":672,"reference_frame":648},"grounding":{"status":"found","bbox_xyxy":[399.5,426.9,499,588],"positive_points":[[419.8,500.9],[470.8,479.6],[439.6,450],[404.7,509.3],[446.9,552.8],[442.7,581.5]],"negative_points":[[383.3,559.3],[489.6,554.6],[613,569.4],[555.2,599.1]],"evidence":"目标是桌面上显示多个信封符号的黄色屏幕电脑。边框覆盖显示器屏幕、深色及灰色外壳、支架和可见底座；正点分布在屏幕、符号、外壳、支架及底座上，负点位于排除的笔筒、独立信封、球和桌面上。"}},{"name":"Single workstation envelope","description":"Yellow outlined envelope with a small red corner marking, initially upright in front of the monitor and later tipped beside the ball.","membership":"Include the entire envelope shape and its flap lines and markings. Exclude the monitor, desk, ball, and the separate stack of envelopes above.","id":"obj_019","temporal":{"status":"found","start_s":19.5,"end_s":33.0,"reference_s":24.75,"evidence":"目标是显示器前方���后来倾倒在蓝球旁的单个黄色信封，带黑色翻盖线和红色角标，不包括上方信封堆。19.5秒首次完整可见；此前19.25秒仍被画面右边界裁切。最后合格帧为32.75秒，33.0秒随画面移动在左侧被裁切。24.75秒信封形状完整、与蓝球和显示器区分清楚，适合作为空间标注关键帧。","start_frame":468,"end_frame":792,"reference_frame":594},"grounding":{"status":"found","bbox_xyxy":[462.5,519.4,512.5,587.0],"positive_points":[[470.8,540.7],[475.5,566.7],[487.5,572.2],[499.5,536.1],[495.3,554.6],[502.6,568.5]],"negative_points":[[445.8,475.9],[529.2,562.0],[481.8,596.3],[585.9,150.9]],"evidence":"目标是显示器前、蓝色球左侧的黄色信封，右侧可见翻盖斜线和红色角标。边界框覆盖整个可见信封及其线条、标记；六个正点分布于信封主体、翻盖和角标，负点位于显示器、球、桌面及上方独立信封堆。"}},{"name":"Upper workplace clock","description":"Small yellow-faced round wall clock above the framed rising chart and to the left of the workstation.","membership":"Include its outer rim, enclosed face, hands, and tick marks. Exclude surrounding text and wall illustrations.","id":"obj_020","temporal":{"status":"found","start_s":19.25,"end_s":22.75,"reference_s":20.75,"evidence":"目标是上升曲线相框上方、工作台左侧的黄色圆形挂钟，包含黑色外圈、指针和刻度。19.25秒首次完整入镜，22.50秒仍完整可见；此前19.00秒尚未完整进入画面，之后22.75秒已被画面左边界裁切。选择20.75秒作为关键帧，钟面清晰、无遮挡，且容易与工作台右侧的另一只钟区分。","start_frame":462,"end_frame":546,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[443.2,217.6,495.8,309.3],"positive_points":[[469.3,222.2],[446.4,262.0],[492.2,263.9],[470.8,303.7],[457.8,249.1],[468.8,259.3]],"negative_points":[[426.0,259.3],[514.6,263.9],[485.4,157.4],[441.7,393.5]],"evidence":"目标是上升趋势图上方、工作台左侧的黄色圆形挂钟。边界框紧贴钟的外缘，包含表盘、指针及刻度；六个正点分布于外框和表盘内容，四个负点位于钟外墙面、上方文字及下方植物上。"}},{"name":"Stack of reply-all envelopes","description":"Tall uneven stack of yellow envelopes on a small shelf above the workstation. The envelopes spill down toward the desk and funnel during the reply-all sequence.","membership":"Include the envelopes belonging to this stack as they separate and fall, with their individual outlines and markings. Exclude the shelf, diagonal release line, computer, and independently presented workstation envelope.","id":"obj_021","temporal":{"status":"found","start_s":22.5,"end_s":29.25,"reference_s":24.0,"evidence":"目标是工作台上方小搁板上的不规则黄色信封堆，并追踪其随后散落、掉向桌面和漏斗的信封，不包括独立的桌面信封。22.50秒首次完整可见，前一帧22.25秒顶部仍被画面裁切；最后符合条件的帧为29.00秒，仍可见漏斗下方掉落的信封，29.25秒已全部消失。24.00秒信封堆完整清晰、遮挡少，适合作为空间标注关键帧。","start_frame":540,"end_frame":702,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[549.5,82.4,620.8,231.5],"positive_points":[[596,92],[568,105],[594,133],[578,159],[580,194],[566,220]],"negative_points":[[583,247],[496,548],[445,471],[650,159]],"evidence":"目标是工作台上方小搁板上的黄色信封叠。边界框紧贴整叠信封的可见外缘，包含各层轮廓和标记，不包含搁板或斜线。六个正点分布在顶部、中部和底部信封上；负点位于搁板、独立的桌面信封、电脑及右侧外部背景。"}},{"name":"Meeting-side wall clock","description":"Yellow round clock to the right of the monitor and below the envelope stack, retained beside the meeting funnel as the animation is reduced in size.","membership":"Include the rim, enclosed yellow face, hands, and tick marks. Exclude the nearby wall hook, captions, monitor, and funnel.","id":"obj_022","temporal":{"status":"found","start_s":22.25,"end_s":33.0,"reference_s":25.0,"evidence":"目标是显示器右侧、信封堆下方的黄色圆形挂钟，包含外圈、指针和刻度；不是楼梯旁的另一只钟。22.25秒首次完整可见，前一帧22.0秒尚未进入画面。其持续保留至32.75秒，包括动画缩小后的阶段；33.0秒向下移动画面时，钟开始被上缘裁切。选择25.0秒作为关键帧，此时钟清晰完整，且与旁边墙钩及会议漏斗容易区分。","start_frame":534,"end_frame":792,"reference_frame":600},"grounding":{"status":"found","bbox_xyxy":[569.8,469.4,618.8,545.4],"positive_points":[[579.2,500.9],[585.4,481.5],[607.3,488.0],[609.4,518.5],[596.4,513.0],[590.6,531.5]],"negative_points":[[627.1,557.4],[446.9,472.2],[708.3,703.7],[646.9,451.9]],"evidence":"目标是显示器右侧、信封堆下方的黄色圆形壁钟。边界框紧贴可见钟体，覆盖外圈、黄色表盘、指针和刻度；六个正点分布于钟面各处，负点位于旁边墙钩、显示器、漏斗及钟外背景。"}},{"name":"Circular-arrow presentation board","description":"Yellow square board on three dark legs below the workstation, displaying a red circular arrow beside the meeting funnel.","membership":"Include the board's boundary and enclosed surface, circular-arrow graphic, and supporting legs. Exclude adjacent text, desk, and funnel.","id":"obj_023","temporal":{"status":"found","start_s":22.25,"end_s":32.75,"reference_s":24,"evidence":"目标是工作台下方、会议漏斗左侧的黄色方形展示板，板内有红色循环箭头，下接三条深色支腿。22.25秒首次完整可见，之前22.00秒仍被画面右边缘裁切；32.50秒是最后完整呈现的采样帧，32.75秒开始被动画插图的左边界裁切。选择24.00秒作为关键帧，此时板面、箭头及三条支腿清晰且无遮挡。","start_frame":534,"end_frame":786,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[492,640,559,823],"positive_points":[[500,665],[544,714],[510,699],[505,781],[530,785],[543,784]],"negative_points":[[579,601],[691,713],[472,716],[573,811]],"evidence":"目标是工作台下方、漏斗左侧带红色循环箭头的黄色方形展示板。边界框覆盖板面、边框及三条深色支腿；正点分布在板面、箭头和各支腿上，负点位于相邻桌面、漏斗及板外背景，排除这些区域。"}},{"name":"Meeting funnel","description":"Large funnel with a wide yellow elliptical opening, a tapering pale body marked with circular paths, and a gray outlet. The ball circles inside it during the meeting.","membership":"Include the complete funnel, its enclosed mouth and interior markings, tapering walls, and outlet. Exclude the blue ball as an independent subject, surrounding chairs, incoming envelopes, and external supports.","id":"obj_024","temporal":{"status":"found","start_s":27.5,"end_s":35.5,"reference_s":30.25,"evidence":"目标是黄色椭圆形宽口、带环形轨迹的浅色锥身及灰色出口组成的会议漏斗，不含蓝球和周围椅子。27.5秒首次完整呈现，之前27.25秒右侧仍被画面边缘裁切；35.25秒为最后完整帧，35.5秒漏斗开始被嵌入画面的左边界裁切。选择30.25秒作为关键帧，此时漏斗结构清楚，信封已离开，遮挡较少。","start_frame":660,"end_frame":852,"reference_frame":726},"grounding":{"status":"found","bbox_xyxy":[410.4,452.8,589.6,683.3],"positive_points":[[433.9,496.3],[506.8,483.3],[570.8,504.6],[473.4,571.3],[501,610.2],[499.5,661.1]],"negative_points":[[517,569],[321,385],[552.6,447.2],[624,540]],"evidence":"目标是画面中央黄色椭圆口、浅色收窄漏斗壁和灰色出口组成的会议漏斗。边界框紧贴完整漏斗，包含口内区域及环形轨迹。六个正点分布在黄色漏斗口、浅色内壁和灰色出口；负点位于独立蓝球、左侧信封、上方椅子及右侧外部背景，排除这些非目标内容。"}},{"name":"Elevator lift","description":"Small open lift to the right of the meeting funnel, with yellow top trim, a dark folding gate, vertical cables, and a gray counterweight. It carries the ball upward toward lunch.","membership":"Include the lift car, its enclosed interior, gate, attached cables, counterweight, and lift base structure. Exclude the separate approach ramp, ball, funnel, and surrounding background.","id":"obj_025","temporal":{"status":"found","start_s":28.25,"end_s":40.0,"reference_s":28.25,"evidence":"根据会议漏斗右侧带黄色顶边、深色折叠门、竖直缆绳、灰色配重及底座的升降厢识别。首个合格帧为28.25秒；前一帧28.00秒右侧配重仍被画面边缘裁切。此后同一升降机持续出现，并载球上升至午餐平台，最后合格帧为39.75秒。区间达到视频结尾，无后续帧。选择28.25秒作为关键帧，因为升降厢、门、配重和底座清楚，且尺寸较大；缆绳向画面外延伸属于画面设计。","start_frame":678,"end_frame":960,"reference_frame":678},"grounding":{"status":"found","bbox_xyxy":[626.6,0,765.1,891.7],"positive_points":[[674,740],[716.7,747.2],[639.1,320.4],[687.8,167.6],[754.2,765.7],[679.2,878.7]],"negative_points":[[573,794],[526,421],[462.5,400.9],[614.6,638.9]],"evidence":"目标是漏斗右侧带黄色顶边和折叠门的小升降机。框覆盖轿厢及内部、门、延伸至图像顶边的缆线、灰色配重和底座；不含左侧接入斜坡。正点分布在轿厢内部、门、缆线、配重和底座，负点位于独立斜坡、漏斗、蓝球及外部背景。"}},{"name":"Elevator approach ramp","description":"Narrow wood-colored sloping ramp beneath the meeting funnel leading toward the lift.","membership":"Include the ramp plank and its attached support bracket. Exclude the ball, lift, and surrounding empty space.","id":"obj_026","temporal":{"status":"found","start_s":27.75,"end_s":35.5,"reference_s":28.25,"evidence":"目标是会议漏斗下方、向右下方通往电梯的木色窄斜板及其支撑��角架。27.75秒首次完整可见；前一帧27.50秒斜板仍被画面右边界截断。最后完整帧为35.25秒，35.50秒随视角上移，斜板及支架开始被嵌入画面的下边界裁切。选择28.25秒为关键帧，此时斜板和支架清晰完整，且未被蓝球遮挡。","start_frame":666,"end_frame":852,"reference_frame":678},"grounding":{"status":"found","bbox_xyxy":[472.4,734.3,650.5,842.6],"positive_points":[[479.7,743.5],[509.9,760.6],[544.3,779.6],[591.1,802.8],[633.3,825.9],[565.6,814.8]],"negative_points":[[562.5,722.2],[520.8,870.4],[669.3,787.0],[513.0,638.9]],"evidence":"目标是漏斗下方、向右下方通往升降机的木色窄斜坡。边界框覆盖斜坡木板及其下方的小支撑件，不包括升降机。正点分布在木板沿线和支撑件上；负点位于坡道外的空白、升降机及漏斗底部。"}},{"name":"Animation inset panel","description":"Rounded rectangular panel introduced when the illustrated routine shrinks out of its initial full-height presentation. It first sits near the center and then on the right beside explanatory graphics.","membership":"Include the rounded outer boundary and the entire enclosed animated surface, including its illustrations and narrative captions. Exclude the external creator-credit badge, presentation headings, dotted background, and adjacent explanatory panels.","id":"obj_027","temporal":{"status":"found","start_s":28.75,"end_s":40.0,"reference_s":30.25,"evidence":"目标是承载日常动画及字幕的圆角矩形嵌入面板，不包括外部作者徽章和演示标题。28.75秒首次可见完整边界及 enclosed 动画画面；此前28.50秒画面仍延伸至上下帧边缘，面板尚未完整呈现。此后面板缩放并移至右侧，持续存在至最后采样帧39.75秒，因此结束时间为40.0秒，视频之后无相邻帧。选择30.25秒作为关键帧，面板边界清楚、整体完整，易与外部标题及背景区分。","start_frame":690,"end_frame":960,"reference_frame":726},"grounding":{"status":"found","bbox_xyxy":[288.5,192.6,710.9,943.5],"positive_points":[[328,300],[510,302],[495,510],[645,747],[355,871],[655,415]],"negative_points":[[355,193],[358,99],[239,500],[764,710]],"evidence":"目标是画面中央偏右的圆角动画插图面板。边界框紧贴其黑色外边框，包含内部插画、叙事文字及整个底色表面，不包含上沿叠放的作者署名徽章。正点分布于面板内不同区域；负点位于作者徽章、上方标题及面板外背景。"}},{"name":"Animation assessment heading","description":"Large serif heading above the newly framed animation, reading “The animation here was pretty incredible,” with the final word in blue.","membership":"Include the complete heading's lettering throughout its reveal. Exclude the inset animation, credit badge, and surrounding background.","id":"obj_028","temporal":{"status":"found","start_s":31.0,"end_s":31.75,"reference_s":31.0,"evidence":"目标是动画嵌图上方的大号衬线标题“The animation here was pretty incredible”，末词为蓝色。31.00秒首次完整呈现，31.50秒为最后一个符合条件的采样帧；此前30.75秒末词仍未揭示完整，此后31.75秒标题开始模糊淡出，并出现替代标题。选择31.00秒作为关键帧，完整字形清晰且无遮挡。","start_frame":744,"end_frame":762,"reference_frame":744},"grounding":{"status":"found","bbox_xyxy":[136.5,67.6,864.1,133.3],"positive_points":[[148.4,101.9],[281.3,113.9],[409.9,95.4],[530.2,111.1],[577.6,103.7],[838.0,101.9]],"negative_points":[[103.1,101.9],[898.4,105.6],[353.6,191.7],[502.1,500.0]],"evidence":"目标是画面顶部的大号衬线标题“The animation here was pretty incredible”，末词为蓝色。边界框紧贴整行文字，包含字母下伸部分；六个正点分布于各段文字的笔画上，负点位于标题左右背景、下方署名徽章及内嵌动画中。"}},{"name":"Voice assessment heading","description":"Large serif heading replacing the animation assessment, reading “The voice sounded completely natural,” with “completely natural” in green.","membership":"Include only this heading's lettering, including its progressive reveal. Exclude the voice graphic and animation inset.","id":"obj_029","temporal":{"status":"found","start_s":33.5,"end_s":34.75,"reference_s":33.75,"evidence":"目标是顶部大号衬线标题“The voice sounded completely natural”，其中“completely natural”为绿色。33.50秒首次完整显示，34.50秒为最后一个合格帧；此前33.25秒末词仍在逐步揭示，此后34.75秒已被“If this”替换。选择33.75秒作为关键帧，标题完整清晰、无遮挡，且易于与下方语音图形和动画 inset 区分。","start_frame":804,"end_frame":834,"reference_frame":810},"grounding":{"status":"found","bbox_xyxy":[164,68,837,134],"positive_points":[[176,93],[289,100],[408,98],[606,93],[755,104],[831,99]],"negative_points":[[521,37],[427,176],[286,509],[859,370]],"evidence":"目标是图像顶部的大号衬线标题“The voice sounded completely natural”，后半部分为绿色。边界框紧贴整行文字的可见范围；六个正点分布在黑色和绿色文字的笔画上，四个负点位于标题外的空白、语音图形及右侧动画插图中。"}},{"name":"Voice visualization panel","description":"Dark rounded panel on the left containing “VOICE,” a blue circular microphone symbol, and a waveform. A green confirmation badge appears at its upper-right corner.","membership":"Include the panel surface and boundary, label, microphone graphic, waveform, and attached confirmation badge. Exclude the surrounding glow, external connector line and dots, heading, and animation inset.","id":"obj_030","temporal":{"status":"found","start_s":32.5,"end_s":34.25,"reference_s":33.75,"evidence":"目标是左侧含“VOICE”、蓝色麦克风图标及波形的深色圆角面板，随后右上角出现绿色确认徽章。32.50秒面板表面和边界已完全显现，34.00秒为最后一个完整帧；此前32.25秒仍在淡入，之后34.25秒已开始淡出。徽章等内部状态变化不延迟面板起点。选择33.75秒作为关键帧，面板及附着徽章均清晰、无遮挡。","start_frame":780,"end_frame":822,"reference_frame":810},"grounding":{"status":"found","bbox_xyxy":[79.7,454.6,503.1,688.0],"positive_points":[[123.0,511.1],[128.1,600.9],[276.0,599.1],[208.3,665.7],[438.5,516.7],[485.9,485.2]],"negative_points":[[521.4,580.6],[338.5,412.0],[619.8,463.0],[260.4,754.6]],"evidence":"目标是左侧含“VOICE”、蓝色麦克风和波形的深色圆角面板。边界框覆盖面板本体及右上角附着的绿色确认徽章，不含外围光晕。正点分布在标签、麦克风、波形、面板表面和徽章上；负点位于外部连接线、面板上下方背景及右侧动画插图中。"}},{"name":"Manual animation heading","description":"Large serif heading reading “If this was a manual, hand-drawn animation,” with “hand-drawn” in orange, above the manual-drawing demonstration.","membership":"Include the full heading's lettering and punctuation. Exclude the orange category badge, drawing panel, pencil, and animation inset.","id":"obj_031","temporal":{"status":"found","start_s":36.5,"end_s":37.5,"reference_s":36.75,"evidence":"目标是手动画图演示上方的大号衬线标题“If this was a manual, hand-drawn animation”，其中“hand-drawn”为橙色。36.50秒首次完整显示，37.25秒为最后一个符合条件的采样帧；此前36.25秒仅揭示到“hand-drawn”，之后37.50秒已替换为“It would have”。选择36.75秒作为关键帧，标题完整清晰、无遮挡，易与下方Manual徽章和演示面板区分。","start_frame":876,"end_frame":900,"reference_frame":882},"grounding":{"status":"found","bbox_xyxy":[110.4,67.6,889.6,129.6],"positive_points":[[118.2,94.4],[172.9,99.1],[331.3,100.9],[487.5,92.6],[603.1,85.2],[881.8,102.8]],"negative_points":[[497.9,37],[111.5,226.9],[291.7,294.4],[768.2,414.8]],"evidence":"目标为图像顶部的大号衬线标题，其中“hand-drawn”为橙色。边界框紧贴整行文字及逗号；六个正点分布在标题各段的字形笔画上，负点位于上方背景、橙色Manual徽章、铅笔和右侧动画插图，均不属于标题。"}},{"name":"Manual animation demonstration panel","description":"White rounded explanatory panel on the left, identified by an orange “Manual” badge. Its contents develop from stacked blank sheets into a ball-and-ramp drawing, then add a clock and gold coins.","membership":"Include the panel surface, rounded boundary, attached “Manual” badge, stacked drawing sheets and their contents, and the clock and coins when present. Exclude the separate moving pencil, heading, shadows outside the panel, and animation inset.","id":"obj_032","temporal":{"status":"found","start_s":35.5,"end_s":40.0,"reference_s":39.5,"evidence":"目标为左侧带橙色“Manual”徽章的白色圆角面板，内有叠放纸张，随后出现球与斜坡、时钟和金币。35.25秒面板及徽章仍在淡入；35.5秒其表面、边界和徽章已完整呈现。最后合格帧为39.75秒，面板仍完整可见，区间延续至40.0秒视频结束，无后续采样帧。选择39.5秒作为关键帧，因为面板边界清楚，徽章、纸张、时钟和金币均易于辨认。","start_frame":852,"end_frame":960,"reference_frame":948},"grounding":{"status":"found","bbox_xyxy":[56.8,201.9,510.4,547.2],"positive_points":[[112,228],[146,410],[286,391],[421,361],[385,511],[359,267]],"negative_points":[[149,297],[368,99],[759,445],[282,623]],"evidence":"目标是左侧带橙色“Manual”标签的白色圆角说明面板。框覆盖面板本体及附着标签，包括纸张、时钟和金币，不含外部阴影。正点分布于标签、纸张、时钟、金币及面板表面；负点位于独立铅笔、上方标题、右侧动画插图和面板下方背景。"}},{"name":"Drawing pencil","description":"Large yellow pencil with a pink eraser and dark pointed tip, moving over the sheet stack in the manual-animation demonstration.","membership":"Include the complete pencil body, eraser, ferrule, exposed wood, and tip. Exclude its cast shadow, drawing strokes left on the sheets, and panel behind it.","id":"obj_033","temporal":{"status":"found","start_s":35.75,"end_s":40.0,"reference_s":36.25,"evidence":"目标是手动画演示面板中在纸张上方移动的黄色铅笔，具有粉色橡皮、连接箍、露木和深色笔尖。35.50秒尚未出现，35.75秒完整出现；此后虽移动、旋转和缩放，仍连续可见，最后合格帧为39.75秒。区间延伸至视频结束40.00秒，没有后续帧。选择36.25秒作为关键帧，铅笔完整清晰且遮挡很少，易于排除阴影与纸上笔迹。","start_frame":858,"end_frame":960,"reference_frame":870},"grounding":{"status":"found","bbox_xyxy":[264,213,350,381],"positive_points":[[266.1,375],[271.9,360.2],[287.5,335.2],[308.3,290.7],[330.2,248.1],[339.1,230.6]],"negative_points":[[240.6,360.2],[320,444],[426,351],[376,193]],"evidence":"目标位于左侧手绘演示面板内，是斜放在纸张上方的黄色铅笔。边界框覆盖粉色橡皮、金属箍、黄色笔杆、露出的木质部分和深色笔尖，不包含投影及纸上的折线。六个正点分布在上述铅笔部件上，四个负点分别位于已画线条、纸张空白、面板空白及面板外背景。"}},{"name":"Lunch table","description":"Table reached by the lift within the animation inset, with a red-and-white checked covering, dark legs, and a curved red-and-yellow striped exit track.","membership":"Include the tabletop, checked covering, legs, and attached curved exit track. Exclude the separately identifiable food, drink, ball, lift, and background sun.","id":"obj_034","temporal":{"status":"found","start_s":35.75,"end_s":40.0,"reference_s":37.0,"evidence":"目标是动画嵌图中升降机旁的餐桌，包括红白格桌布、深色桌腿及相连的红黄条纹弯曲轨道。35.75秒首次可见完整桌体，邻前35.50秒尚未出现；轨道向嵌图右侧延伸是持续的裁切设计。最后一帧39.75秒桌体仍在，故区间截至40.00秒，之后没有采样帧。选择37.00秒，桌面、桌腿和所连轨道清晰，容易与食物、球及升降机分开标注。","start_frame":858,"end_frame":960,"reference_frame":888},"grounding":{"status":"found","bbox_xyxy":[671.9,669.4,951.6,863.9],"positive_points":[[714.1,691.7],[810.4,693.5],[682.3,753.7],[826.6,752.8],[879.7,721.3],[922.4,826.9]],"negative_points":[[744.8,644.4],[698.4,650],[658.3,650.9],[764.6,421.3]],"evidence":"目标位于右侧动画插图中，以红白格桌布、深色桌腿及相连的红黄条纹弯曲出口轨道识别。框覆盖桌面、桌布、桌腿、弯轨及其支撑；正点分布在这些部件上，负点位于明确排除的食物、饮料、球和太阳上。"}},{"name":"Lunch drink","description":"Tall outlined glass containing cyan liquid at the left side of the lunch table, beside the lift.","membership":"Include the glass boundary and its enclosed area, including the liquid. Exclude the table, lift, and adjacent food.","id":"obj_035","temporal":{"status":"found","start_s":36.0,"end_s":40.0,"reference_s":37.0,"evidence":"目标是午餐桌左端、升降机旁的细长玻璃杯，黑色轮廓内装有青色液体。36.00秒首次完整可见；35.75秒餐桌正从小画面上缘进入，杯子尚被裁切。最后合格帧为39.75秒，杯子仍在桌上，视频随后结束，无下一采样帧。选择37.00秒，杯体边界和液体清楚，便于与升降机、餐桌及食物区分。","start_frame":864,"end_frame":960,"reference_frame":888},"grounding":{"status":"found","bbox_xyxy":[690.6,619.4,708.3,672.2],"positive_points":[[695.1,627.8],[703.5,628.7],[693.8,642.6],[702.6,644.4],[695.8,660.2],[702.1,664.8]],"negative_points":[[658.3,650],[708.9,530.6],[748.4,661.1],[725,691.7]],"evidence":"目标是午餐桌左侧、升降装置旁装有青色液体的细长玻璃杯。边界框紧贴杯口、杯壁和杯底，包含杯内区域及液体；正点分布于杯内上部和液体区域，负点位于旁边的蓝球、升降装置灰色部件、食物及桌面上。"}},{"name":"Lunch sandwich and plate","description":"Triangular yellow sandwich with a green filling line, served on a cyan plate near the center of the lunch table.","membership":"Include the sandwich and its serving plate as one compact food unit. Exclude the blue ball, glass, apple, and table covering.","id":"obj_036","temporal":{"status":"found","start_s":36.0,"end_s":40.0,"reference_s":37.0,"evidence":"目标是午餐桌上的黄色三角形三明治（带绿色夹层线）及其青色餐盘，不含蓝球、杯子或苹果。36.00秒首次完整可见；前一帧35.75秒午餐桌仍从画面上缘进入，食物单元尚未完整露出。最后一帧39.75秒三明治和餐盘仍完整可见，因此区间延至视频结束40.00秒，之后无采样帧。37.00秒形状清晰且未被蓝球遮挡，适合作为空间标注关键帧。","start_frame":864,"end_frame":960,"reference_frame":888},"grounding":{"status":"found","bbox_xyxy":[721.4,620.4,775,675.9],"positive_points":[[743.8,632.4],[739.6,644.4],[750,647.2],[745.3,656.5],[730.2,664.8],[765.1,664.8]],"negative_points":[[698.4,648.1],[793.2,652.8],[659.4,649.1],[755.2,692.6]],"evidence":"目标位于右侧午餐桌中央，是带绿色夹层的黄色三角三明治及其青色餐盘。边界框紧贴三明治和餐盘的整体轮廓；正点分布在面包、夹层和餐盘上，负点分别位于明确排除的玻璃杯、苹果、蓝球及桌布上。"}},{"name":"Lunch apple","description":"Red round apple with a short dark stem and green leaf on the right side of the lunch table.","membership":"Include the fruit body, stem, and leaf. Exclude the ball, plate, and table.","id":"obj_037","temporal":{"status":"found","start_s":36.0,"end_s":40.0,"reference_s":36.75,"evidence":"目标是午餐桌右侧、盘子旁的红色苹果，带短深色果梗和绿色叶片，不包括蓝色球。36.00秒首次完整可见；此前35.75秒午餐区域仍从画面上缘进入，苹果尚未完整露出。最后一个采样帧39.75秒苹果仍完整可见，因此区间延伸至视频结束40.00秒，无后续帧。36.75秒苹果轮廓清晰、无遮挡，便于空间标注。","start_frame":864,"end_frame":960,"reference_frame":882},"grounding":{"status":"found","bbox_xyxy":[785.4,610.2,807.8,662.0],"positive_points":[[796.9,642.6],[790.6,636.1],[802.1,638.9],[796.9,653.7],[802.1,616.7],[796.9,624.1]],"negative_points":[[763.0,654.6],[796.9,682.4],[822.9,637.0],[651.0,638.9]],"evidence":"目标位于右侧午餐桌上，是带深色短果梗和绿色叶片的红苹果。边界框紧贴果身、果梗和叶片；六个正点分布于这些部位，负点分别位于盘子、桌面、苹果右侧背景及左侧蓝球上。"}},{"name":"Manual animation time heading","description":"Large serif heading replacing the manual-animation premise, reading “It would have taken hundreds of hours,” with the duration phrase in orange.","membership":"Include only this heading's lettering throughout its progressive reveal. Exclude the demonstration panel, its clock, and the animation inset.","id":"obj_038","temporal":{"status":"found","start_s":38.75,"end_s":39.0,"reference_s":38.75,"evidence":"目标是顶部大号衬线标题“It would have taken hundreds of hours”，其中“hundreds of hours”为橙色。38.75秒是首次完整呈现、也是最后一个合格采样帧；38.50秒仅揭露到“hundreds of”，39.00秒原标题开始模糊淡出，并被“And”替换。选择38.75秒作为关键帧，因为标题完整清晰且无遮挡，仅标注其文字。","start_frame":930,"end_frame":936,"reference_frame":930},"grounding":{"status":"found","bbox_xyxy":[159.9,68.5,840.1,125.9],"positive_points":[[166.7,97.2],[286.5,95.4],[442.2,97.2],[523.4,97.2],[718.2,91.7],[830.7,114.8]],"negative_points":[[500,37],[500,167],[110,226],[285,390]],"evidence":"目标是图像顶部的大号衬线标题“It would have taken hundreds of hours”，后半部分为橙色。边界框紧贴整行文字；六个正点分布在黑色与橙色字母笔画上，四个负点位于标题外的上下背景、Manual 标签和时钟上。"}},{"name":"Manual animation cost heading","description":"Large serif heading replacing the time statement, reading “And cost a lot,” with “a lot” in orange.","membership":"Include the complete visible heading lettering. Exclude the coins, manual demonstration panel, and animation inset.","id":"obj_039","temporal":{"status":"found","start_s":39.75,"end_s":40.0,"reference_s":39.75,"evidence":"目标为顶部大号衬线标题“And cost a lot”，其中“a lot”为橙色。39.75秒是首个也是最后一个完整呈现的采样帧；此前39.5秒仅显示“And cost”，文字揭示尚未完成。选择39.75秒作为关键帧，标题完整清晰，易与下方金币、演示面板及动画插图区分。区间延续至视频40.0秒结束，之后无采样帧。","start_frame":954,"end_frame":960,"reference_frame":954},"grounding":{"status":"found","bbox_xyxy":[294.3,68.5,532.3,133.3],"positive_points":[[310.9,100.9],[358.3,92.6],[380.2,97.2],[439.6,103.7],[470.3,110.2],[525.5,115.7]],"negative_points":[[260.4,97.2],[549.5,100.9],[416.7,166.7],[437,271.3]],"evidence":"图像上方的大号衬线标题为“And cost a lot”，其中“a lot”为橙色。边界框紧贴整段可见文字；六个正点分布于黑色和橙色字母笔画上，负点位于标题外的背景及下方金币上，排除演示面板和动画插图。"}}]}
+{"video_id":191,"video_type":"visual design and media animation","targets":[{"name":"Daily word counter","description":"Upper-left text reading “WORDS SAID TODAY:” with a number that changes as the central character speaks and resets at midnight.","membership":"Include the complete label and current numerical value as one text region. Exclude the background and all other captions.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":28,"reference_s":0,"evidence":"目标是左上角完整的“WORDS SAID TODAY:”标签及其当前数值，贯穿��有采样帧；数字变化和午夜归零不改变该计数器的身份。首个合格帧为0.00秒，最后为27.75秒，均完整显示该文字区域，因此区间为[0,28)。区间已达视频起点和终点，两侧均无额外采样帧。选择0.00秒作为关键帧，标签与数值清晰、完整且无遮挡。","start_frame":0,"end_frame":672,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[38.5,122.2,299.5,153.7],"positive_points":[[42.2,132.4],[80.7,126.9],[132.3,132.4],[173.4,134.3],[200,125.9],[288.5,136.1]],"negative_points":[[26,139],[166.7,101.9],[315.1,138.9],[177.1,185.2]],"evidence":"左上角可见计数文字“WORDS SAID TODAY: 0”。边界框紧贴完整标签及当前数值；六个正点分布在各段文字和数字的笔画上，四个负点位于文字区域外围的深色背景，未包含其他字幕。"}},{"name":"Cream-colored central character","description":"Rounded, hairless cream-colored cartoon person with black facial features, initially sitting on a bed holding a phone. The same character eats alone, receives a delivery, watches people outside, and later answers a call.","membership":"Include the character’s entire visible body, facial features, and limbs, including hands shown in phone close-ups. Exclude held objects, furniture, the separate black figure, and surrounding illumination.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":4.25,"reference_s":0.25,"evidence":"目标是无毛、圆润的奶油色人物，具有黑色五官；床上持手机、手机特写中的双手及随后独自进食的镜头构成同一次连续出现。首个合格帧为0.00秒，最后为4.00秒；紧邻的4.25秒画面只剩文字和黑色背景，人物已消失。区间始于视频开头，无更早帧。选择0.25秒作为关键帧，人物全身及四肢清晰，容易与手机、床等非目标物区分。","start_frame":0,"end_frame":102,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[427.1,391.7,516.7,792.6],"positive_points":[[470,435],[440,592],[467,577],[494,643],[494,726],[504,776]],"negative_points":[[497,601],[618,670],[229,709],[549,499]],"evidence":"目标是画面中央坐在床边、手持手机的奶油色圆头人物。边界框紧贴其头部、躯干、手臂、手和双腿脚的可见范围；正点分布在头、躯干、手臂、手及腿脚上，负点位于明确排除的手机、床、床头柜和人物外侧背景。"}},{"name":"Smartphone showing social feed","description":"Dark rounded smartphone initially held by the seated character, then shown close-up displaying a social feed with a group photograph and the caption “max the whole crew tonight!!”.","membership":"Include the phone’s casing, boundary, screen, and all screen contents, including the photograph, text, and interface icons. Exclude the holder’s hands and the light surrounding the device.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":2.75,"reference_s":2.25,"evidence":"目标是角色最初握着的深色圆角手机，随后特写显示社交动态、四人合照及“max the whole crew tonight!!”文字。首个合格帧为0.00秒，手机已完整建立；视频起点前无采样帧。最后合格帧为2.50秒，紧接的2.75秒切换为角色在桌边进食，手机消失。选择2.25秒作为关键帧，手机轮廓和动态内容清楚，便于排除双手及周围光晕。","start_frame":0,"end_frame":66,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[373.4,110.2,632.3,912.0],"positive_points":[[500,161],[422,233],[566,343],[446,527],[489,756],[589,865]],"negative_points":[[362,678],[676,696],[660,350],[310,365]],"evidence":"目标是画面中央显示社交动态的深色圆角手机，屏幕内可见四人合照及“max the whole crew tonight!!”配文。边界框紧贴手机可见外缘，包含机壳、屏幕和全部屏幕内容。正点分布于屏幕顶部、头像区、照片、配文及底部界面；负点位于左右持机手部和手机外的背景，排除手与周围光晕。"}},{"name":"Digital bedside clock","description":"Rounded dark bedside clock with red digits, first reading “0:00” and later showing “23:59”, “0:00”, and “2:47” in returning bedroom views.","membership":"Include the clock’s casing, face, and displayed digits. Exclude its supporting cabinet and the glow outside its boundary.","id":"obj_004","temporal":{"status":"found","start_s":7.0,"end_s":8.5,"reference_s":7.25,"evidence":"目标是床左侧柜子上的圆角深色电子钟，包含钟壳、表面及红色数字，不含柜子和外部光晕。本次连续出现首帧为7.00秒，末帧为8.25秒，数字从“23:59”变为“0:00”，钟体始终完整可见。前一帧6.75秒是门口场景，后一帧8.50秒切至窗边场景，均无该钟。选择7.25秒作关键帧，钟体边界清楚、无遮挡。","start_frame":168,"end_frame":204,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[247.4,536.1,337,610.2],"positive_points":[[255,573],[274,567],[294,555],[318,576],[293,602],[325,554]],"negative_points":[[290,666],[281,503],[230,570],[376,572]],"evidence":"目标是床左侧柜子上显示红色“23:59”的圆角数字时钟。边界框紧贴时钟外壳，包含表面及数字，不包含柜子和外部光晕。正点分布于外壳、钟面和数字；负点位于下方柜子、周围背景及右侧床头架。"}},{"name":"Opening narration","description":"Bottom caption reading “Some days he didn't say a single word.”","membership":"Include the complete caption’s lettering and punctuation. Exclude the background and illustrated scene.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标是画面底部完整字幕“Some days he didn't say a single word.”，包含句末标点。首个合格帧为0.00秒，最后合格帧为0.25秒；0.50秒字幕已明显淡出，故排除。区间从视频开头开始，没有更早采样帧。选择0.00秒作关键帧，字幕完整清晰、无遮挡。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[240.6,835.2,762,894.5],"positive_points":[[249.5,846.3],[395.8,848.1],[458.3,866.7],[532.3,852.8],[658.9,852.8],[750.5,848.1]],"negative_points":[[500,814.8],[500,925.9],[213.5,861.1],[786.5,861.1]],"evidence":"目标是画面底部的白色字幕“Some days he didn't say a single word.”。边界框紧贴完整字幕，包含字母、撇号和句号；六个正点分布在不同单词的实际笔画上，四个负点位于字幕上、下、左、右的外部深色背景中。"}},{"name":"Steaming food cup","description":"Small white food container with a red horizontal stripe and yellow-orange top, used by the character while sitting at the table.","membership":"Include the container’s body, rim, colored band, and visible contents. Exclude the character’s hands, the spoon, rising steam marks, and the table.","id":"obj_006","temporal":{"status":"found","start_s":2.75,"end_s":4.25,"reference_s":3.25,"evidence":"目标是桌前角色使用的白色食物杯，带红色横条及黄橙色杯口和内容物；不计手、勺子、蒸汽和桌面。2.75秒首次完整可见，4.00秒为最后一个符合条件的帧；前一帧2.50秒是手机画面，后一帧4.25秒已切为黑背景，杯子消失。选择3.25秒为关键帧，杯身、红条和杯口清晰，手部遮挡最少。","start_frame":66,"end_frame":102,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[425.5,536.1,463.5,606.5],"positive_points":[[443.2,542.6],[437.5,555.6],[454.2,556.5],[444.3,571.3],[435.9,585.2],[446.9,595.4]],"negative_points":[[417.7,598.1],[484.4,624.1],[446.9,504.6],[391.7,476.9]],"evidence":"目标是角色面前桌上的白色食品杯，具有红色横带和黄橙色顶部。边界框紧贴杯身、杯沿及可见内容物，不包含蒸汽。正点分布于顶部、白色杯身、红带和杯底；负点位于角色手部、桌面、上升蒸汽及勺子处。"}},{"name":"Eating spoon","description":"Small pale utensil lifted from the striped food cup toward the character’s mouth.","membership":"Include the visible spoon bowl and handle. Exclude the character’s hand, food container, and steam.","id":"obj_007","temporal":{"status":"found","start_s":2.75,"end_s":4.25,"reference_s":3.5,"evidence":"目标是角色从红白条纹食物杯旁举向嘴边的浅色小勺，区别于手和蒸汽。首个符合帧为2.75秒，随后勺随手抬起并放回杯旁，最后符合帧为4.00秒；前邻帧2.50秒是手机画面，后邻帧4.25秒已切为黑暗背景，均无勺。选择3.50秒作为关键帧，勺柄在手的右上方清楚露出，较易与杯和蒸汽区分。","start_frame":66,"end_frame":102,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[402.6,486.1,430.2,512.0],"positive_points":[[405.1,508.5],[408.0,506.7],[411.0,503.7],[415.6,498.7],[420.8,494.1],[427.5,489.9]],"negative_points":[[398.4,526.9],[444.3,569.4],[441.1,463.0],[433.9,519.4]],"evidence":"目标是角色抬起的手上、朝右上方倾斜的小勺。框覆盖可见的勺头和细柄；六个正点沿勺头与勺柄分布，负点分别位于手、条纹食物杯、蒸汽和勺外背景，排除这些非目标区域。"}},{"name":"Entrance door","description":"Tall dark rounded door beside the standing character. It opens to reveal a brightly lit entrance and a visitor, then closes.","membership":"Include the door leaf, its outlined surface, and round knob, following its changing orientation. Exclude the doorway opening, light beyond it, and both characters.","id":"obj_008","temporal":{"status":"found","start_s":4.5,"end_s":7.0,"reference_s":6.5,"evidence":"目标是站立角色旁高而窄的深色圆角门扇，带描边和圆形门把手；开门时门扇转成窄侧面，随后关闭。首个合格帧为4.50秒，最后为6.75秒。此前4.25秒画面为黑场及计数文字，没有门；此后7.00秒切为床边场景，门已消失。选择6.50秒作为关键帧，此时门已关闭，门扇轮廓及把手清晰完整，便于排除门洞和人物。","start_frame":108,"end_frame":168,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[513.5,167.6,648.4,777.8],"positive_points":[[548,205],[625,280],[534,486],[552,575],[623,677],[572,746]],"negative_points":[[446,353],[480,670],[680,486],[580,127]],"evidence":"目标是站立人物右侧的高大深色圆角入口门。边界框紧贴门扇及其灰色外轮廓，包含圆形门把手，不包含人物或门外背景。正点分布在门面上、中、下部及把手上；负点位于人物、手提袋和门外的黑色背景。"}},{"name":"Red-hatted delivery visitor","description":"Gray cartoon person wearing a red pom-pom hat, revealed outside the opened door while carrying a brown bag.","membership":"Include the visitor’s body, facial features, limbs, and red hat. Exclude the bag, door, and surrounding light.","id":"obj_009","temporal":{"status":"found","start_s":5.0,"end_s":6.25,"reference_s":5.75,"evidence":"目标是门外戴红色绒球帽的灰色送货访客，标注范围不包括纸袋、门和光线。首个合格帧为5.00秒，访客的帽子、身体及四肢已完整揭示；前一帧4.75秒仍被正在打开的门遮挡，揭示尚未完成。最后合格帧为6.00秒，6.25秒关门开始将访客遮去。选择5.75秒作为关键帧，访客轮廓清楚，纸袋已交给另一人物，便于区分目标范围。","start_frame":120,"end_frame":150,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[522.9,263.9,620.8,774.1],"positive_points":[[576.0,308.3],[595.3,382.4],[541.1,493.5],[584.4,513.0],[549.0,752.8],[590.1,720.4]],"negative_points":[[480.7,669.4],[634.9,579.6],[521.4,667.6],[447.9,366.7]],"evidence":"目标是亮色门口内戴红色绒球帽的灰色访客。边界框紧贴帽顶、帽檐及身体和双脚的可见范围；正点分布于帽子、脸、躯干、手臂和双腿，负点位于棕色袋子、门板、门口亮光及左侧另一人物上。"}},{"name":"Delivered paper bag","description":"Rectangular brown bag with a green round item and a white rectangular item protruding from its top. It passes from the visitor to the central character.","membership":"Include the bag’s surface and outline, handles where visible, and protruding contents. Exclude either character’s hands and body.","id":"obj_010","temporal":{"status":"found","start_s":4.75,"end_s":7.0,"reference_s":6.5,"evidence":"目标是棕色矩形纸袋，顶部露出绿色圆形物和白色矩形物，由戴红帽的来访者交给主角。首个合格帧为4.75秒，袋身及突出内容已完整出现；此前4.50秒门仍关闭，没有纸袋。交接中的短暂手部遮挡不打断连续出现，最后合格帧为6.75秒；7.00秒切换到床边场景，纸袋消失。选择6.50秒作为关键帧，此时纸袋轮廓和顶部内容清楚，便于排除主角的手和身体。","start_frame":114,"end_frame":168,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[453.1,597.2,505.7,725.0],"positive_points":[[463.0,648.1],[494.3,650.0],[464.1,702.8],[495.3,709.3],[472.4,613.0],[486.5,615.7]],"negative_points":[[483.9,581.5],[421.9,527.8],[537.5,666.7],[489.6,814.8]],"evidence":"目标是人物身旁的棕色纸袋，顶部露出绿色圆形物和白色矩形物。框覆盖袋面、边缘及露出的内容物；正点分布于袋面上下部和两件内容物，负点位于人物手臂、身体、右侧门面及下方背景，排除人物。"}},{"name":"Spoken thanks","description":"Text reading “thanks.” above the central character after receiving the bag.","membership":"Include only the word and punctuation. Exclude the rounded dark backing and the character below it.","id":"obj_011","temporal":{"status":"found","start_s":5.75,"end_s":6.25,"reference_s":5.75,"evidence":"目标是角色接过袋子后头顶的“thanks.”文字，仅包含单词和句点。5.50秒文字仍在淡入，5.75秒完整清晰呈现，最后合格帧为6.00秒；6.25秒文字已消失。选择5.75秒作为关键帧，文字清晰且无遮挡，易于排除深色圆角背景。","start_frame":138,"end_frame":150,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[407.8,268.5,487,306.5],"positive_points":[[413.5,293.5],[421.9,276.9],[434.9,294.4],[459.9,286.1],[477.1,300.9],[484.9,302.8]],"negative_points":[[401,290.7],[493.8,290.7],[444.3,336.1],[505.7,279.6]],"evidence":"目标是中央角色头顶的“thanks.”。边界框仅覆盖字母及句点，不含深色圆角底板或角色。六个正点分布在字母笔画和句点上；负点位于文字两侧的底板、下方角色及右侧背景。"}},{"name":"Smartphone in the returning bedroom scene","description":"Dark smartphone held by the character during the bedroom views in which the clock changes from “23:59” to “0:00”.","membership":"Include the complete visible device, casing, camera details, and any visible screen surface. Exclude the character’s hand and external illumination.","id":"obj_012","temporal":{"status":"found","start_s":7.0,"end_s":8.5,"reference_s":7.75,"evidence":"目标是返回卧室场景中角色���持的深色手机，可见机壳及背面摄像头；旁边时钟由“23:59”变为“0:00”。首个合格帧为7.00秒，最后为8.25秒。此前6.75秒仍是角色在门前提袋的场景；此后8.50秒切为角色站在窗边，手机不再可见。选择7.75秒作为关键帧，手机轮廓和摄像头细节清晰，且时钟显示“0:00”，便于确认目标场景。","start_frame":168,"end_frame":204,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[552.1,578.7,582.8,664.8],"positive_points":[[565.6,587.0],[560.4,596.3],[563.0,608.3],[570.8,608.3],[575.5,632.4],[578.1,646.3]],"negative_points":[[562.5,646.3],[546.4,600.0],[594.3,620.4],[590.6,555.6]],"evidence":"目标是角色手中带后置摄像头的深色手机，左侧时钟显示“0:00”。边界框紧贴可见机身，包含外壳和摄像头，不延伸至外部光晕。正点分布在手机上部、摄像头及右侧可见外壳；负点位于遮挡手机的手、手臂、床面和外部背景。"}},{"name":"Window with passing group","description":"Large divided window beside the standing central character, presenting a nighttime street with buildings, a streetlight, and passing cartoon people, including blue- and purple-hatted figures.","membership":"Include the window’s outer boundary, enclosed panes, dividing bars, and all exterior imagery visible within them. Exclude the central character standing inside and the surrounding interior wall.","id":"obj_013","temporal":{"status":"found","start_s":8.5,"end_s":10.75,"reference_s":10.0,"evidence":"目标是室内站立角色旁的大型分格窗，包含窗框、分隔条及窗内夜景、建筑、路灯和经过的人群。8.50秒窗体已完整建立，10.50秒为最后符合帧；前一帧8.25秒仍为床边场景，后一帧10.75秒切回床边，目标窗户消失。选择10.00秒作为关键帧，窗框清晰完整，蓝帽、紫帽等窗内人物易于辨认，室内角色位于窗外便于排除。","start_frame":204,"end_frame":258,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[450,101,831.3,648.1],"positive_points":[[493,189],[732,173],[550,374],[673,432],[799,443],[554,606]],"negative_points":[[390,577],[321,331],[878,408],[671,725]],"evidence":"目标是中央站立人物右侧的大型分格窗，窗内可见夜间建筑、路灯及戴蓝帽和紫帽的路人。边界框紧贴窗户外框，包含窗格、分隔条和全部窗内景象。正点分布在各窗格及街景人物上；负点位于室内中央人物和窗外周围的墙面。"}},{"name":"Late-night and birthday smartphone","description":"Dark smartphone held when the bedside clock reads “2:47”, subsequently used at the birthday table. Close-ups show an incoming call from “unknown number”, followed by the connected-call screen.","membership":"Include the device’s casing, camera details, screen, and all displayed call-interface contents. Exclude the character’s hands, face, and light outside the phone.","id":"obj_014","temporal":{"status":"found","start_s":10.75,"end_s":18.0,"reference_s":17.5,"evidence":"目标是床头钟显示“2:47”时人物手持、随后在生日桌旁使用的深色手机。首个合格帧为10.75秒，至17.75秒仍可见完整机身（手部遮挡不计为缺失）。前一帧10.50秒为窗边场景，没有手机；后一帧18.00秒切至人物面部特写，手机不再可见。选择17.50秒，手机竖起，外壳与背面摄像头清晰，便于标注。","start_frame":258,"end_frame":432,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[419.3,580.6,453.1,669.4],"positive_points":[[435.9,591.7],[427.6,599.1],[430.2,613.0],[439.1,625.0],[445.3,638.0],[448.4,655.6]],"negative_points":[[430.7,656.5],[372.9,538.0],[488.5,694.4],[468.8,593.5]],"evidence":"目标是生日桌旁白色角色手持的深色手机，背面可见摄像头。边框紧贴手机可见外壳，不包含手部及外围光晕；正点分布在顶部外壳、摄像头和右侧机身，负点位于握持的手、角色脸部、桌面及手机外背景。"}},{"name":"Black companion figure","description":"Tall black humanoid figure that emerges behind the seated character, develops reddish facial features, and later stands beside or leans over the character at the birthday table.","membership":"Include the figure’s complete visible silhouette, face, arms, and legs through its changes of pose and form. Exclude its surrounding red glow, independent red dialogue, and the cream-colored character.","id":"obj_015","temporal":{"status":"found","start_s":10.75,"end_s":18.0,"reference_s":15.0,"evidence":"目标是奶油色角色身后的黑色人形，随后出现红色面部特征，并在生日桌旁站立、俯身。10.75秒首次呈现完整可见的黑色轮廓，形态和面部变化属于同一人物的持续出现；最后合格帧为17.75秒。前一帧10.50秒仍是角色望向窗外的场景，没有该黑影；后一帧18.00秒切为奶油色角色特写，黑影不可见。选择15.00秒作为关键帧，此时黑影头部、躯干及四肢轮廓清楚，��与红色光晕及奶油色角色区分。","start_frame":258,"end_frame":432,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[219.3,269.4,332.3,855.6],"positive_points":[[271,336],[271,495],[238,672],[317,682],[251,815],[300,819]],"negative_points":[[208,509],[382,534],[369,333],[536,722]],"evidence":"目标是坐着的奶油色角色左后方、带红色面部特征的高大黑色人形。边界框紧贴其头部、躯干、双臂及双腿的完整可见轮廓，不含外围红光。正点分布在头、躯干、双臂和双腿；负点位于外围红光、奶油色角色、上方背景及桌面。"}},{"name":"Discouraging statement","description":"Red text above the two figures reading “nobody wants to hear from you.”","membership":"Include the entire sentence and punctuation. Exclude the black figure, its glow, and the daily word counter.","id":"obj_016","temporal":{"status":"found","start_s":12.25,"end_s":14.5,"reference_s":13.25,"evidence":"目标是两个人物上方的红色完整句子“nobody wants to hear from you.”，包含句末标点。首个合格帧为12.25秒，最后合格帧为14.25秒；相邻的12.00秒尚无该文字，14.50秒已切换至桌前场景且文字消失。选择13.25秒作为关键帧，整句清晰完整，与人物及每日词数计数器分离。","start_frame":294,"end_frame":348,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[265.6,157.4,738.5,225],"positive_points":[[302.6,189.8],[442.7,188.9],[483.9,185.2],[521.9,180.6],[605.2,171.3],[726.6,178.7]],"negative_points":[[234.4,138.9],[479.2,324.1],[411.5,349.1],[765.6,199.1]],"evidence":"目标是两个人物上方的红色句子“nobody wants to hear from you.”。边界框覆盖完整句子及末尾句号；六个正点分布在各词的字母笔画上，负点分别位于每日字数计数器、黑色人物、其外围光晕及句子右侧背景，均不属于目标。"}},{"name":"Birthday cupcake and candle","description":"Small pink cupcake with a white frosting cap and a single lit pale-blue candle, placed on the table in front of the central character.","membership":"Include the cupcake, frosting, candle, wick, and visible flame as one complete birthday object. Exclude the surrounding light halo, table, and nearby phone.","id":"obj_017","temporal":{"status":"found","start_s":14.5,"end_s":18.0,"reference_s":17.0,"evidence":"目标是桌上的粉色纸杯蛋糕、白色糖霜及带火焰的单根浅蓝色蜡烛。此次连续完整可见始于14.50秒，最后 qualifying 帧为17.75秒；此前14.25秒仍是床边场景，没有蛋糕，之后18.00秒切为人物特写，目标不再可见。选择17.00秒，生日蛋糕整体清晰、无遮挡，便于区分其轮廓与周围光晕。","start_frame":348,"end_frame":432,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[572.9,518.5,614.6,675],"positive_points":[[593.6,533],[593.7,570],[583,612],[606,617],[582,648],[602,661]],"negative_points":[[563,555],[625,691],[450,667],[630,607]],"evidence":"目标是桌面上的粉色生日纸杯蛋糕，顶部有白色糖霜和点燃的浅蓝色蜡烛。边界框紧贴蛋糕底部至火焰顶部，包含蜡烛及烛芯，不含光晕。六个正点分布在火焰、蜡烛、糖霜和粉色蛋糕上；负点位于周围光晕背景、桌面及附近手机上。"}},{"name":"Call greeting","description":"Text reading “hello?!” above and to the right of the character as the phone is raised to the face.","membership":"Include the greeting’s letters and punctuation. Exclude its dark backing box and the character or phone.","id":"obj_018","temporal":{"status":"found","start_s":20.5,"end_s":21.0,"reference_s":20.75,"evidence":"目标是角色举起手机贴近脸部时，其右上方的“hello?!”字母和标点，不包括深色底框。20.50秒首次完整清晰出现，20.75秒为最后合格帧；前一帧20.25秒尚无问候文字，后一帧21.00秒文字已开始淡出。选择20.75秒作为关键帧，因为文字完整、清晰且无遮挡。","start_frame":492,"end_frame":504,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[638.5,366.7,716.1,408.3],"positive_points":[[640.1,386.1],[655.2,393.5],[671.9,381.5],[684.9,392.6],[705.2,375],[714.1,380.6]],"negative_points":[[631.3,388.9],[671.9,358.3],[722.9,391.7],[434.9,546.3]],"evidence":"目标是人物右上方的“hello?!”。边界框紧贴全部字母及标点，不含深色衬底。六个正点分布在字母和问号、感叹号笔画上；负点位于文字外围的深色衬底及手机上。"}},{"name":"Automated call message","description":"Pale-blue uppercase text above the phone conversation, first reading “THIS IS AN AUTOMATED MESSAGE FROM YOUR PHONE PROVIDER.”","membership":"Include the complete message lettering and punctuation. Exclude the dark backing strip, the word counter, and the figures below.","id":"obj_019","temporal":{"status":"found","start_s":21.5,"end_s":22.5,"reference_s":21.75,"evidence":"目标是通话人物上方的淡蓝色大写文字“THIS IS AN AUTOMATED MESSAGE FROM YOUR PHONE PROVIDER.”，仅包含字母和标点，不含深色底条。首个完整呈现帧为21.50秒，最后合格帧为22.25秒；前一帧21.25秒尚无该文字，后一帧22.50秒文字已开始淡出。选择21.75秒作为关键帧，因为整行文字清晰完整且无遮挡。","start_frame":516,"end_frame":540,"reference_frame":522},"grounding":{"status":"found","bbox_xyxy":[200,235.19,800,264.81],"positive_points":[[206.25,237.04],[342.71,237.04],[435.42,247.22],[528.65,247.22],[640.1,250],[798.44,260.19]],"negative_points":[[192.71,250],[500,296.3],[166.67,138.89],[504.17,509.26]],"evidence":"目标是画面上方浅蓝色大写自动来电消息。边界框紧贴从“THIS”到“PROVIDER.”的完整单行文字及句号；六个正点分布在文字笔画和末尾标点上，负点位于左侧深色底条、文字下方背景、左上角计数文字和下方人物处。"}},{"name":"Question to the caller","description":"Text to the right of the character reading “oh... is this a real person?” as the daily word count rises.","membership":"Include the full question’s lettering and punctuation. Exclude the rounded dark backing and adjacent illustrated subjects.","id":"obj_020","temporal":{"status":"found","start_s":23.25,"end_s":24.0,"reference_s":23.5,"evidence":"目标是角色右侧完整的“oh... is this a real person?”字母及标点，不含深色圆角底板。首个合格帧为23.25秒，最后合格帧为23.75秒；前一帧23.00秒尚无该问题，后一帧24.00秒文字已开始淡出。选择23.50秒作为关键帧，因为全文清晰、无遮挡，便于独立标注。","start_frame":558,"end_frame":576,"reference_frame":564},"grounding":{"status":"found","bbox_xyxy":[545.3,370.4,828.6,416.7],"positive_points":[[560.9,380.6],[599.5,392.6],[626.6,386.1],[732.3,383.3],[745.3,400.9],[826.0,377.8]],"negative_points":[[625.0,324.1],[750.0,449.1],[500.0,509.3],[834.9,393.5]],"evidence":"目标是角色右上方的“oh... is this a real person?”。边界框紧贴完整问句的字母和标点，不包括圆角深色底板。六个正点分布在问句各段的笔画及问号上；负点位于文字外的背景、右侧底板和下方角色上。"}},{"name":"Automated offer instruction","description":"Pale-blue uppercase text reading “PRESS 1 FOR AN EXCLUSIVE OFFER.” above the character holding the phone.","membership":"Include the complete instruction and punctuation. Exclude its dark backing strip and the surrounding scene.","id":"obj_021","temporal":{"status":"found","start_s":24.5,"end_s":25.0,"reference_s":24.5,"evidence":"目标是持手机角色上方的浅蓝色大写文字“PRESS 1 FOR AN EXCLUSIVE OFFER.”，包含句末标点，不含深色底条。24.50秒首次完整清晰呈现，24.75秒为最后合格帧；此前24.25秒文字尚在淡入，此后25.00秒已开始淡出，25.25秒被“*click*”替代。选择24.50秒作为关键帧，文字清晰且无遮挡。","start_frame":588,"end_frame":600,"reference_frame":588},"grounding":{"status":"found","bbox_xyxy":[341.1,234.3,659.4,263.0],"positive_points":[[343.2,249.1],[407.3,255.6],[419.8,247.2],[491.7,249.1],[599.0,249.1],[656.8,260.2]],"negative_points":[[322.9,245.4],[682.3,248.1],[500.0,296.3],[437.5,500.0]],"evidence":"目标是持手机角色上方的浅蓝色大写指令“PRESS 1 FOR AN EXCLUSIVE OFFER.”。边界框紧贴完整文字及末尾句点，不包含深色底条。六个正点分布在文字笔画与句点上；四个负点位于文字外的背景及下方手机上。"}},{"name":"Black figure’s final remark","description":"Small red text reading “see?” above the black figure as it leans toward the character at the table.","membership":"Include only the letters and question mark. Exclude the figure, red glow, and background.","id":"obj_022","temporal":{"status":"found","start_s":26.0,"end_s":26.5,"reference_s":26.0,"evidence":"目标是桌旁黑色身影上方的红色“see?”，仅含字母和问号。26.00秒首次完整清晰出现，26.25秒为最后合格帧；此前25.75秒没有该文字，之后26.50秒文字已开始淡出。选择26.00秒作为关键帧，文字清楚且无遮挡，易与身影及红色光晕区分。","start_frame":624,"end_frame":636,"reference_frame":624},"grounding":{"status":"found","bbox_xyxy":[467.2,187.0,533.3,231.5],"positive_points":[[474.0,200.0],[471.9,226.9],[490.6,201.9],[507.8,201.9],[531.3,199.1],[523.4,226.9]],"negative_points":[[500.0,161.1],[552.1,213.0],[500.5,259.3],[385.4,277.8]],"evidence":"目标是黑色人物右上方的红色“see?”。边界框紧贴整段文字，覆盖字母与问号；六个正点分布在字母笔画、问号弧线和圆点上。负点位于文字上方、右侧、下方背景及黑色人物上，排除背景、红光和人物。"}},{"name":"Closing narration","description":"Bottom caption reading “It was the longest conversation he'd had in months.”","membership":"Include the complete sentence and punctuation, including its fading appearance. Exclude the illustrated figures, table, and background.","id":"obj_023","temporal":{"status":"found","start_s":26.5,"end_s":27.75,"reference_s":27.0,"evidence":"目标是底部完整句子“It was the longest conversation he'd had in months.”及句号。按淡入淡出边界规则，首个合格帧为26.50秒，最后为27.50秒；前一帧26.25秒文字尚在淡入，后一帧27.75秒已开始淡出。选择27.00秒作为关键帧，文字完整清晰，便于标注。","start_frame":636,"end_frame":666,"reference_frame":648},"grounding":{"status":"found","bbox_xyxy":[148.4,835.2,851.0,893.5],"positive_points":[[156.3,841.7],[304.7,855.6],[487.5,861.1],[590.1,849.1],[660.9,846.3],[848.4,878.7]],"negative_points":[[520.8,717.6],[367.7,736.1],[166.7,790.7],[625.0,925.9]],"evidence":"目标是底部旁白“It was the longest conversation he'd had in months.”。边界框覆盖整句文字、淡化部分及末尾句号；正点分布于句首、中段、后段字形和句号，负点位于上方桌面、人物及文字外的背景。"}}]}
+{"video_id":192,"video_type":"visual design and media animation","targets":[{"name":"Opening CLAUDE wordmark","description":"Large black uppercase “CLAUDE” on the first red identity card, progressively revealed and stretched into different letter proportions.","membership":"Include the six letterforms throughout their reveal and deformation. Exclude the red background, horizontal rule, small peripheral labels, and subtitle.","id":"obj_001","temporal":{"status":"found","start_s":0.25,"end_s":1.5,"reference_s":0.25,"evidence":"目标是首张红色身份卡中央的黑色大写“CLAUDE”六个字母，不含字幕及装饰。0.25秒首次完整呈现，之后虽字母比例持续拉伸变形，仍完整可见，最后合格帧为1.25秒。前一帧0.00秒仅露出部分字母，尚未完成揭示；后一帧1.50秒已切换为浅色背景和圆点，字标消失。选择0.25秒作为关键帧，六个字母清晰完整且无字幕干扰。","start_frame":6,"end_frame":36,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[76.6,388.9,918.2,562.1],"positive_points":[[94,477],[252,470],[380,501],[573,540],[672,477],[853,493]],"negative_points":[[500,220],[57,70],[500,700],[500,320]],"evidence":"目标是红色身份卡中央的大号黑色“CLAUDE”。边界框紧贴六个字母的整体可见范围；六个正点分别位于各字母的实心笔画上，四个负点位于上方横线、左上角小字及字标外的红色背景，排除外围元素。"}},{"name":"Opening motion designer subtitle","description":"Cream italic serif “motion designer” appearing beneath the first large CLAUDE wordmark.","membership":"Include the complete subtitle lettering only; exclude the wordmark and background.","id":"obj_002","temporal":{"status":"found","start_s":1.0,"end_s":1.5,"reference_s":1.0,"evidence":"目标为开场大号黑色 CLAUDE 下方的奶油色斜体衬线“motion designer”完整字幕。首个合格帧为1.00秒，最后为1.25秒；此前0.75秒仅出现少量字幕笔画，尚未揭示完整，之后1.50秒已切换为圆点场景，字幕消失。选择1.00秒作为关键帧，字幕完整清晰、无遮挡，且易与上方字标区分。","start_frame":24,"end_frame":36,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[308.3,709.3,695.3,826.9],"positive_points":[[314.6,772.2],[390.6,753.7],[413.5,715.7],[521.4,741.7],[596.9,821.3],[676.6,777.8]],"negative_points":[[500,671.3],[500,865.7],[625,463],[260.4,763.9]],"evidence":"目标是大型黑色 CLAUDE 字标下方的奶油色斜体衬线文字“motion designer”。边界框紧贴完整副标题，包括字母上端及下伸部分；六个正点分散在两词的实际笔画上，四个负点位于外围红色背景和上方黑色字标上。"}},{"name":"First easing comparison heading","description":"Black italic serif heading “Six ways to get from A to B.” above the first six-row motion demonstration.","membership":"Include the entire heading text, excluding the chart and nearby duration note.","id":"obj_003","temporal":{"status":"found","start_s":1.75,"end_s":3.5,"reference_s":2.0,"evidence":"目标是首次六行缓动演示上方的黑色斜体衬线标题“Six ways to get from A to B.”，不含图表及右侧时长说明。1.75秒标题已完整显示，最后合格帧为3.25秒；此前1.50秒仅有过渡中的圆点，尚无标题，此后3.50秒标题消失，仅见蓝色椭圆。选择2.00秒作为关键帧，标题清晰完整且无遮挡。","start_frame":42,"end_frame":84,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[77.6,153.7,399.5,213],"positive_points":[[88,158.3],[135.4,195.4],[197.4,169.4],[227.6,171.3],[270.3,170.4],[389.1,157.4]],"negative_points":[[245,129],[455,183],[352,306],[782,194]],"evidence":"目标是图表上方的黑色斜体衬线标题“Six ways to get from A to B.”。边界框紧贴整段标题，包括下伸笔画和句点；六个正点分布在标题不同位置的字形笔画上，负点位于标题外背景、下方图表圆点及右侧时长说明处。"}},{"name":"First easing duration note","description":"Small uppercase note “SAME DISTANCE · SAME DURATION (0.94s)” above the right side of the first comparison chart.","membership":"Include this complete text block only, excluding the endpoint labels and chart below.","id":"obj_004","temporal":{"status":"found","start_s":1.75,"end_s":3.5,"reference_s":2.0,"evidence":"目标是首次缓动比较图右上方的完整注释“SAME DISTANCE · SAME DURATION (0.94s)”，不含端点标签及下方图表。首个合格帧为1.75秒，末个为3.25秒；此前1.50秒仅见过渡中的圆点，没有该注释，之后3.50秒图表与注释均已消失。选择2.00秒作为关键帧，文字完整清晰、无遮挡。","start_frame":42,"end_frame":84,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[694.79,188.89,884.9,200.93],"positive_points":[[696.35,191.67],[721.88,195.37],[743.75,193.52],[778.65,191.67],[809.38,194.44],[872.92,193.52]],"negative_points":[[788.54,175.93],[791.15,219.44],[885.42,247.22],[818.75,307.41]],"evidence":"目标是第一条比较轨道右上方的“SAME DISTANCE · SAME DURATION (0.94s)”完整注释。框仅覆盖该文字块，正点分布在各段文字笔画上；负点位于文字上下的外部背景、B端点标签及下方轨道，排除图表内容。"}},{"name":"First six-row easing chart","description":"Comparison chart with rows “linear,” “ease-in-out,” “expo-out,” “back-out,” “elastic,” and “bounce.” Each row pairs a miniature easing curve with a horizontal A-to-B track and an animated black, blue, or red disk.","membership":"Include row numbers and labels, miniature graph axes and curves, their moving markers, A and B labels, horizontal tracks, endpoint ticks, moving disks, and plotted position ticks. Exclude the heading, duration note, peripheral reel information, and transient blur or emphasis rings.","id":"obj_005","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标为首次出现的六行缓动对比图，包含行号、名称、小曲线图、A/B轨道及彩色运动圆点。首个完整帧为2.25秒，最后合格帧为3.00秒；此前2.00秒部分轨道仍在向右绘制，之后3.25秒轨道已开始从左侧擦除。选择3.00秒作关键帧，六行结构清晰，圆点和位置刻度易于辨认；不包含标题、时长说明及强调圆环。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[78.1,242.6,990.6,761.1],"positive_points":[[103.6,306.5],[876.6,392.6],[242.7,479.6],[572.9,563.0],[885.0,648.1],[101.6,733.3]],"negative_points":[[250.0,175.0],[776.0,193.5],[944.8,543.5],[500.0,851.9]],"evidence":"根据六行名称及对应的微型缓动曲线、水平轨道和彩色圆盘识别图表。框覆盖行号与标签、A/B标记、曲线坐标轴、轨道、端点、圆盘和最右侧位置刻度。六个正点分布于各行的文字、曲线、轨道及圆盘；负点位于标题、时长说明、第四行排除的淡色残影环和图表下方背景。"}},{"name":"First standalone blue disk and morphing circle","description":"Blue disk presented alone at the center after the first easing chart. It is subsequently presented as the large cream circle at the center of the blue morphing demonstration.","membership":"Include the filled disk and its boundary as it changes size, proportions, and color. When enclosed by the radial diagram, exclude the surrounding rings, satellite symbols, axes, text, and motion echoes.","id":"obj_006","temporal":{"status":"found","start_s":3.5,"end_s":4.25,"reference_s":4.0,"evidence":"目标在3.50秒首次以独立的中央蓝色实心圆盘完整出现，随后变为蓝底径向图中央的奶油色圆形；最后符合的帧为4.00秒。前一帧3.25秒仍是六行缓动图表，后一帧4.25秒中央形状已变为三角形，不再是圆盘。选择4.00秒作为关键帧，圆形边界清晰完整，易于与外围圆环、卫星符号和坐标轴区分。","start_frame":84,"end_frame":102,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[400.5,323.1,600,677.8],"positive_points":[[444.3,408.3],[524,381.5],[567.7,474.1],[546.9,595.4],[466.7,613],[423.4,513.9]],"negative_points":[[500,276.9],[702.1,431.5],[333.3,500],[500,763.9]],"evidence":"目标是蓝色变形演示中央的大型奶油色实心圆。边界框紧贴圆盘及其边缘，不包含外围同心环、卫星圆点、轴线或文字。六个正点分散在圆盘内部，四个负点位于外围环线、右侧卫星圆点及圆盘外的蓝色区域。"}},{"name":"First radial morphing diagram","description":"Circular demonstration on blue with crosshair axes, an outer dotted orbit, small cream satellite symbols, and a large central symbol. Its displayed contents progress from circles to triangles and stars.","membership":"Include the dotted orbit and its enclosed diagram area, radial ticks, crosshair lines, satellite symbols, central symbol, and diagram angle labels. The separately listed central symbols remain within this region. Exclude the independent text blocks to the left and right and transient red motion echoes.","id":"obj_007","temporal":{"status":"found","start_s":4.0,"end_s":5.5,"reference_s":4.0,"evidence":"目标是蓝底上的径向变形图，包含十字轴、点状轨道、径向刻度、角度标签、外围奶油色符号及中央符号，不含两侧独立文字和红色运动残影。4.00秒首次完整建立，随后中央及外围符号持续变形，至5.25秒仍完整可见。前一帧3.75秒外围符号仍在展开组装；后一帧5.50秒已变为黑底孤立方块，原图消失。选择4.00秒作关键帧，此时轨道和各组成部分清晰、遮挡少。","start_frame":96,"end_frame":132,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[144.8,75.9,855.7,924.1],"positive_points":[[500,500],[369.8,231.5],[702.1,431.5],[538.5,856.5],[180,500],[500,90]],"negative_points":[[190,529],[817,530],[220,278],[780,787]],"evidence":"目标是蓝底中央的径向圆形演示图。边界框覆盖十字轴全长、外侧虚线轨道及包围区域、径向刻度、奶油色卫星与中央圆形和角度标签。正点分布于中央圆、不同方位卫星及十字轴；负点位于左右独立文字和图外蓝色背景。红色运动残影不属于目标。"}},{"name":"First morph transition readout","description":"Monospaced text to the left of the first radial diagram, updating from “MORPH CIRCLE → CIRCLE” to “MORPH CIRCLE → TRIANGLE” and “MORPH TRIANGLE → STAR.”","membership":"Include the complete updating text block only, excluding the adjacent diagram and axis line.","id":"obj_008","temporal":{"status":"found","start_s":3.75,"end_s":5.5,"reference_s":4.5,"evidence":"目标是首个蓝底径向图左侧的等宽 MORPH 状态文字块，不包括图形及轴线。3.75 秒文字已完整显示，随后更新为 CIRCLE → TRIANGLE、TRIANGLE → STAR，并在最后合格帧 5.25 秒显示 STAR → SQUARE。前邻帧 3.5 秒仅有蓝色圆点，尚无文字；后邻帧 5.5 秒切为黑底方形，文字消失。选择 4.5 秒作为关键帧，文字完整清晰，与图形及轴线容易区分。","start_frame":90,"end_frame":132,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[135.4,523.1,259.1,534.3],"positive_points":[[136.5,527.8],[157.3,528.7],[171.9,528.7],[198.4,527.8],[225.0,525.9],[252.6,532.4]],"negative_points":[[192.7,500.0],[468.8,490.7],[264.1,484.3],[192.7,557.4]],"evidence":"目标是径向图左侧的单行等宽文字“MORPH CIRCLE → TRIANGLE”。边界框紧贴完整文字块；六个正点分布在各段文字的字形笔画上，负点位于上方轴线、角度标签、右侧图形及下方外部背景，均不包含在目标中。"}},{"name":"First morph parameter readout","description":"Two-line monospaced readout to the right of the first radial diagram, showing changing T and ROT values above “SPRING F=2.6 ζ=0.30.”","membership":"Include both lines of parameter labels and values as one text block. Exclude the radial graphic and its axis.","id":"obj_009","temporal":{"status":"found","start_s":3.75,"end_s":5.5,"reference_s":4.0,"evidence":"目标是首个蓝底径向图右侧的两行等宽参数文字：上行为变化的 T、ROT 数值，下行为 SPRING F=2.6 ζ=0.30。3.75 秒两行已完整可见，持续至最后合格帧 5.25 秒；前一帧 3.50 秒只有米白背景上的蓝色圆点，后一帧 5.50 秒切为黑底白色方块，读数消失。选择 4.00 秒作为关键帧，两行文字清晰完整，与径向图及坐标轴容易区分。","start_frame":90,"end_frame":132,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[757.3,523.1,864.6,559.3],"positive_points":[[768.8,524.8],[814.1,528.7],[844.8,524.8],[759.9,549.1],[801.0,549.1],[856.3,556.5]],"negative_points":[[803.1,499.8],[746.9,540.7],[878.1,541.7],[814.1,578.7]],"evidence":"目标位于径向图右侧，由上行“T 1.00 ROT 000.0°”和下行“SPRING F=2.6 ζ=0.30”组成。框紧贴两行完整文字，正点分布在两行标签及数值的字形上；负点位于上方轴线、左右及下方外部背景，不包含径向图或文字内部空隙。"}},{"name":"First central morphing triangle","description":"Large cream three-pointed form replacing the circle in the first blue radial demonstration, with bowed edges during the transformation.","membership":"Include the filled triangular form and its actual changing outline. Exclude satellite triangles, surrounding diagram lines, and motion echoes.","id":"obj_010","temporal":{"status":"found","start_s":4.25,"end_s":4.75,"reference_s":4.5,"evidence":"目标是首次蓝色径向演示中央的大型奶油色三尖形，包含变形中的弯曲边缘，不含外围小三角、图线及运动残影。首个符合帧为4.25秒，最后为4.50秒；前一帧4.00秒中央仍为圆形，后一帧4.75秒已变为五角星。选择4.50秒作关键帧，因中央三角轮廓清晰、完整且易与周围元素区分。","start_frame":102,"end_frame":114,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[428.1,310.2,628.1,703.7],"positive_points":[[441,347],[500.5,412],[599,488],[526,563],[450.5,656.5],[453,500]],"negative_points":[[701,598],[665,630],[386,452],[556,143]],"evidence":"目标是蓝色径向示意图中央最大的奶油色实心三角形，三边略有弯曲。边界框紧贴其实际可见轮廓；六个正点分布在三个尖端附近及内部不同区域，四个负点位于外围小三角形、红色运动残影和外部蓝色背景，排除周围图示元素。"}},{"name":"First central morphing star","description":"Large cream five-pointed star replacing the triangle in the first radial demonstration, rotating and changing its point proportions.","membership":"Include the star’s filled interior and actual outline, following the concavities between its five points. Exclude satellite stars, diagram lines, and trailing outlines.","id":"obj_011","temporal":{"status":"found","start_s":4.75,"end_s":5.25,"reference_s":5.0,"evidence":"目标是首次蓝底径向演示中央的大型奶油色实心五角星，不包括外围小星及拖尾轮廓。首个符合帧为4.75秒，五个尖角和凹口已完整呈现；最后符合帧为5.00秒。此前4.50秒中央仍为三角形，此后5.25秒已变为向方形转化的四角形态。选择5.00秒作为关键帧，星形边界清晰且无遮挡。","start_frame":114,"end_frame":126,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[380.7,298.1,627.1,743.5],"positive_points":[[501,501],[437,385],[550,370],[589,539],[510,659],[414,563]],"negative_points":[[708,506],[602,389],[365,648],[493,296]],"evidence":"目标是径向示意图中央最大的奶油色实心五角星。边界框紧贴五个尖端的可见范围；六个正点分布在中心及五个星角内部，四个负点位于外围卫星星、拖尾轮廓和星体外部蓝色背景，排除辅助图形。"}},{"name":"First standalone cream square","description":"Cream square centered on black after the first star demonstration.","membership":"Include the square’s surface and boundary. Exclude the black background, colored edge glow, and peripheral reel labels.","id":"obj_012","temporal":{"status":"found","start_s":5.5,"end_s":5.75,"reference_s":5.5,"evidence":"目标是第一次星形演示之后，黑色背景中央独立出现的奶油色正方形，仅包括其表面与边界。首个及最后一个合格采样帧均为5.50秒，正方形结构完整、无遮挡。前一帧5.25秒仍是蓝底上的星形向方形变形阶段，边界尚非完整正方形；后一帧5.75秒已被奶油色曲线图案替代。选择5.50秒作为关键帧，因为目标轮廓清楚，易与边缘彩色辉光和周围标签区分。","start_frame":132,"end_frame":138,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[406.25,333.33,593.75,666.67],"positive_points":[[424,361],[568,378],[447,469],[551,525],[429,625],[575,642]],"negative_points":[[366,479],[634,526],[488,281],[517,723]],"evidence":"图像中央黑底上的独立奶油色正方形与目标描述一致。边界框紧贴方形表面及边界，不包含外围彩色光晕。六个正点分散在奶油色表面，四个负点位于方形四周、远离边缘的黑色背景。"}},{"name":"First Truchet pattern","description":"Main systems demonstration made of thick cream quarter-circle arcs on black. The arcs form loops and winding paths, while a red wave changes portions of the pattern.","membership":"Include the displayed arc tiles and the paths or closed loops they form; closed loops include their enclosed areas, while open paths remain open. Follow the pattern as it expands and changes color. Exclude the full-frame background, overlaid text backings, and peripheral reel information.","id":"obj_013","temporal":{"status":"found","start_s":5.75,"end_s":7.0,"reference_s":6.0,"evidence":"目标是黑底上由粗奶油色四分之一圆弧组成的回环与蜿蜒路径，随后红色波浪改变部分弧线颜色。首个合格帧为5.75秒，图案已形成并正在扩展；最后合格帧为6.75秒。此前5.50秒仅有中央方块，之后7.00秒已切换为蓝底动态文字。选择6.00秒作为关键帧，此时奶油色弧线和闭合环清晰，便于区分图案与背景及外围信息。","start_frame":138,"end_frame":168,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[0,0,1000,1000],"positive_points":[[281.3,55.6],[468.8,166.7],[906.3,333.3],[62.5,777.8],[531.3,500],[718.8,833.3]],"negative_points":[[156.3,81.5],[916.7,82.4],[151,932.4],[841.1,932.4]],"evidence":"目标是遍布画面的奶油色粗圆弧图案，形成蜿蜒路径和闭合环，部分图案被画面边缘截断，因此边界框覆盖全图。正点分散落在圆弧及闭环所包含的内部；负点位于四角的叠加信息条及其底板，排除这些外围信息和全帧背景。"}},{"name":"Truchet system caption","description":"Centered lower caption “TRUCHET × 153 · 3 WAVES · SEED 0x2A” over the first systems pattern.","membership":"Include the complete caption lettering only. Exclude its dark backing and the pattern beneath it.","id":"obj_014","temporal":{"status":"found","start_s":6.25,"end_s":7.0,"reference_s":6.5,"evidence":"目标是首个系统图案下方居中的完整文字“TRUCHET × 153 · 3 WAVES · SEED 0x2A”，不包含深色底板及图案。首个合格帧为6.25秒，最后为6.75秒；此前6.00秒文字仍在淡入、尚未完整呈现，之后7.00秒已切换为动态文字画面，目标消失。选择6.50秒作为关键帧， caption文字完整清楚且无遮挡。","start_frame":150,"end_frame":168,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[399.5,852.8,600.5,864.8],"positive_points":[[401.6,854.6],[443.0,859.3],[458.3,854.6],[504.7,857.4],[560.9,858.3],[597.9,858.3]],"negative_points":[[389.0,859.0],[505.0,887.0],[565.0,829.0],[613.0,858.0]],"evidence":"目标是图像下方居中的“TRUCHET × 153 · 3 WAVES · SEED 0x2A”说明文字。边界框紧贴完整单行文字，正点分布于各段字形笔画；负点位于文字框外的深色衬底及周围图案上，不包含字间空隙。"}},{"name":"OUT kinetic title","description":"Oversized cream “OUT” lettering, partially cropped at the left, with a red period on blue during the kinetic-type demonstration.","membership":"Include the visible title letterforms and their red punctuation as one typographic unit. Exclude motion blur, background, and the separate direction annotation.","id":"obj_015","temporal":{"status":"found","start_s":7.0,"end_s":7.25,"reference_s":7.0,"evidence":"7.00秒出现蓝底超大奶油色“OUT”及红色句点，左侧裁切符合目标描述；字形已建立，运动模糊不计入目标本体。首末 qualifying 帧均为7.00秒：前一帧6.75秒是黑底曲线图案，后一帧7.25秒已切换为荧光黄底“NEVER”字母。选择7.00秒作为关键帧，因为这是该次出现唯一的采样帧，标题与红色标点可辨认。","start_frame":168,"end_frame":174,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[0,323,713,683],"positive_points":[[79,478],[198,434],[296,631],[469,366],[535,568],[697,632]],"negative_points":[[394,500],[776,509],[312,750],[886,153]],"evidence":"目标是画面中央偏左、左侧被裁切的巨大奶油色“OUT”及其右侧红色句点。边框覆盖可见字形主体和句点，不纳入外围运动模糊。六个正点分布在O、U、T的实心笔画及红点上；负点位于右侧模糊拖影、外围蓝色背景和独立方向注释处。"}},{"name":"Decelerate annotation","description":"Small “← DECELERATE” annotation above the right side of the blue kinetic-type title.","membership":"Include the arrow and accompanying word as one reading unit. Exclude the main title and background.","id":"obj_016","temporal":{"status":"found","start_s":7.0,"end_s":7.25,"reference_s":7.0,"evidence":"7.00秒帧中，蓝色动态标题右上方完整显示小字“← DECELERATE”，箭头与单词构成目标。首个和最后一个合格帧均为7.00秒；前一帧6.75秒是黑底红白曲线图案，没有该标注，后一帧7.25秒已切换为黄绿色背景的文字场景，标注消失。选择7.00秒为关键帧，目标完整清晰且无遮挡。","start_frame":168,"end_frame":174,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[852.6,147.2,921.4,158.3],"positive_points":[[855.2,152.8],[864.8,152.8],[871.0,152.8],[888.5,155.6],[900.0,151.9],[917.2,156.5]],"negative_points":[[883.0,125.0],[883.0,182.0],[828.0,153.0],[945.0,153.0]],"evidence":"目标是画面右上方、主标题上方的小字“← DECELERATE”。边界框紧贴箭头和完整单词；六个正点分布于箭头及不同字母笔画，四个负点位于标注外围的蓝色背景，避开主标题及文字内部间隙。"}},{"name":"NEVER kinetic typography","description":"Black “NEVER” on fluorescent yellow-green, initially revealed as separated moving letters and then repeated in stacked rows with a bold central row and outlined surrounding rows.","membership":"Include the letterforms of the main word and its repeated typographic rows as one coherent text composition. Include the actual outline strokes of outlined letters, but exclude motion trails, background, and peripheral reel labels.","id":"obj_017","temporal":{"status":"found","start_s":7.5,"end_s":7.75,"reference_s":7.5,"evidence":"目标为荧光黄绿色背景上的黑色“NEVER”重复排版，中央行为粗体，周围为轮廓字。首个及最后一个合格采样帧均为7.50秒，此时完整排版已建立，边缘重复文字属于有意裁切。此前7.25秒仍是分散字母的未完成入场，部分字母被画面边界截断；此后7.75秒已切换为黑底“LINEAR”。选择7.50秒作为关键帧，主词及重复行最清晰。","start_frame":180,"end_frame":186,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[0,36.1,1000,964.8],"positive_points":[[281.3,37.0],[505.2,235.2],[239.6,500.0],[716.1,523.1],[489.6,631.5],[625.0,963.0]],"negative_points":[[51.0,69.4],[144.8,933.3],[500.0,398.1],[468.8,800.9]],"evidence":"目标为荧光黄绿色背景上五行重复的“NEVER”字形组合，中间一行为粗黑字，周围为描边字。框覆盖全部可见重复文字，包括左右被画面截断的字形。六个正点分布于各行实际笔画；负点位于外围品牌及帧率标签和行外背景，不包含运动拖影或字内空隙。"}},{"name":"Cropped white kinetic title","description":"Oversized cream uppercase title on black following the NEVER composition; its visible right-hand letters read “EAR,” followed by a red period, while the beginning extends beyond the left edge.","membership":"Include the visible title lettering and red period. Exclude motion streaks, background, and peripheral annotations.","id":"obj_018","temporal":{"status":"found","start_s":7.75,"end_s":8.0,"reference_s":7.75,"evidence":"目标是 NEVER 构图之后黑底上的奶油色大写 LINEAR 标题及红色句点，与随后仅露出右侧 EAR 的文字为同一对象。7.75 秒文字结构完整，是首个也是最后一个合格帧；前一帧 7.50 秒仍为黄绿色 NEVER 构图，后一帧 8.00 秒标题向左移出并被画面边缘裁切，故不纳入。选择 7.75 秒作关键帧，字形与红点完整清晰。","start_frame":186,"end_frame":192,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[215.6,396.3,889.6,611.1],"positive_points":[[232,498],[383,473],[525,500],[659,537],[755,470],[873,582]],"negative_points":[[318,651],[853,161],[500,305],[500,760]],"evidence":"图中对应目标为中央超大奶白色“LINEAR”标题及其右侧红色句点；本帧标题完整可见，并未在左侧裁切。边界框紧包全部字母和红点。正点分布在各处字母实笔及红点上，负点位于下方运动拖线、右上角公式注释及标题外黑色背景，排除这些非目标内容。"}},{"name":"Closing black radial emblem","description":"Black irregular sunburst with rounded rays, assembling at the center of the red closing card before settling to the left of the closing wordmark.","membership":"Include the connected filled emblem and its actual outline, following the gaps between rays. Exclude the surrounding flash ring, scattered particles, and adjacent text.","id":"obj_019","temporal":{"status":"found","start_s":8.5,"end_s":10.0,"reference_s":9.5,"evidence":"目标是红色结束卡上的黑色圆头射线太阳状徽记，先位于中央，随后移到 CLAUDE 字标左侧；不包含光环、粒子或文字。8.25 秒射线仍在组装，8.5 秒结构首次完整建立；此后移动和形变仍保持完整，最后合格帧为 9.75 秒。紧邻的 10.0 秒画面已变黑，徽记消失。选择 9.5 秒作为关键帧，此时轮廓清楚，与文字分离且无粒子遮挡。","start_frame":204,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[125.5,335.2,236.5,543.5],"positive_points":[[182.3,440.7],[191.1,355.6],[148.4,392.6],[137.0,472.2],[174.5,523.1],[227.1,413.0]],"negative_points":[[107.8,430.6],[249.0,444.4],[286.5,444.4],[182.3,300.0]],"evidence":"目标是红色结束卡上、CLAUDE 字标左侧的黑色圆头不规则放射状徽记。边界框紧贴完整徽记及各条射线的可见外缘；正点分布于实心中心和不同方向的射线，负点位于外围红色背景及右侧独立字标上，不标记射线间隙。"}},{"name":"Closing CLAUDE wordmark","description":"Large black “CLAUDE” assembling across the red closing card to the right of the rounded radial emblem.","membership":"Include all six letterforms through their reveal and settling motion. Exclude the emblem, subtitle, background, and particles.","id":"obj_020","temporal":{"status":"found","start_s":9.0,"end_s":10.0,"reference_s":9.5,"evidence":"目标是红色结束卡上、圆头放射状徽标右侧的黑色“CLAUDE”六字母，不含徽标和副标题。9.00秒六个字母首次完整显现，之后的调整运动仍属完整呈现，最后合格帧为9.75秒。前一帧8.75秒字母尚在揭示、结构不完整；后一帧10.00秒已切为黑屏，字标消失。选择9.50秒作为关键帧，字形清晰完整且无粒子遮挡。","start_frame":216,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[271.9,367.6,863.5,517.6],"positive_points":[[287,444.4],[394.8,444.4],[489.6,444.4],[588.5,440.7],[698.4,444.4],[801,443.5]],"negative_points":[[182.3,435.2],[276.6,601.9],[572.9,296.3],[895.8,444.4]],"evidence":"目标是红色结束卡上、径向徽标右侧的大号黑色“CLAUDE”。边界框紧密覆盖全部六个字母，不含徽标及下方副标题；六个正点分别位于各字母的实心笔画上，负点位于左侧徽标、下方副标题及字标上方和右侧的红色背景。"}},{"name":"Closing motion designer subtitle","description":"Black italic serif “motion designer” below the closing CLAUDE wordmark.","membership":"Include the entire subtitle text only. Exclude the wordmark, horizontal rule, and supporting text below.","id":"obj_021","temporal":{"status":"found","start_s":8.75,"end_s":10.0,"reference_s":9.5,"evidence":"目标为结尾红色背景上、CLAUDE 字标下方的黑色斜体衬线“motion designer”，仅包含该副标题。8.75 秒文字已完整呈现，持续至最后合格帧 9.75 秒；前一帧 8.50 秒只有放射状标志和装饰，尚无副标题，后一帧 10.00 秒已变为黑屏，副标题消失。选择 9.50 秒作为关键帧，文字清晰完整且无装饰遮挡。","start_frame":210,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[268.2,553.7,587.5,648.1],"positive_points":[[276,605.6],[312.5,602.8],[392.7,611.1],[433.3,610.2],[505.7,640.7],[572.9,592.6]],"negative_points":[[395.8,444.4],[520.8,674.1],[546.9,701.9],[625,597.2]],"evidence":"目标是中央 CLAUDE 字标下方的黑色斜体衬线文字“motion designer”。边界框紧贴整段字幕，包含字母下伸部分；六个正点分布在两个单词的字形笔画上，负点位于上方字标、下方横线及辅助文字和右侧背景，均不属于字幕。"}},{"name":"Closing showreel statement","description":"Lower text block reading “SHOWREEL 2026 · 15 SECONDS · EVERY FRAME WRITTEN IN CODE” beneath the closing subtitle.","membership":"Include the complete statement lettering. Exclude the rule above, the separate availability message, and the circular status graphic.","id":"obj_022","temporal":{"status":"found","start_s":9.25,"end_s":10.0,"reference_s":9.5,"evidence":"目标是结尾副标题下方的“SHOWREEL 2026 · 15 SECONDS · EVERY FRAME WRITTEN IN CODE”完整文字，不包含上方横线、右侧可用性消息和圆形状态图标。9.25秒首次完整显示，9.75秒为最后一个符合条件的采样帧；此前9.0秒文字仍在逐步揭示，之后10.0秒已消失、画面变黑。选择9.5秒作为关键帧，文字清晰且无粒子遮挡。","start_frame":222,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[269.8,696.3,631.8,708.3],"positive_points":[[270.8,698.1],[325.5,697.2],[379.7,702.8],[470.8,697.2],[542.7,698.1],[629.2,697.2]],"negative_points":[[468.8,673.1],[744.8,702.8],[665.6,701.9],[458.3,748.1]],"evidence":"目标是副标题下方的“SHOWREEL 2026 · 15 SECONDS · EVERY FRAME WRITTEN IN CODE”单行文字。边界框紧贴完整声明，正点分布在各段文字的字形笔画上；负点位于上方横线、右侧 availability 文字、圆形状态图形及下方背景，均不属于目标。"}},{"name":"Closing availability message","description":"“AVAILABLE FOR NEW PROJECTS” at the lower right of the closing identity composition.","membership":"Include the complete availability text only. Exclude the adjacent circular status mark, horizontal rule, and background.","id":"obj_023","temporal":{"status":"found","start_s":9.25,"end_s":10.0,"reference_s":9.5,"evidence":"目标是结尾身份版式右下方的“AVAILABLE FOR NEW PROJECTS”完整文字，不含旁边圆形标记和横线。9.00秒文字仍处于淡入阶段；9.25秒首次完整清晰呈现，持续至最后合格帧9.75秒。紧接的10.00秒画面变黑，目标消失。选择9.50秒作为关键帧，文字清晰且无遮挡。","start_frame":222,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[712.5,696.3,869.8,708.3],"positive_points":[[714.6,697.2],[761.5,701.9],[773.4,700.9],[797.9,702.8],[822.4,700],[866.1,697.2]],"negative_points":[[665.6,701.9],[790,673.6],[791,733],[888,702]],"evidence":"目标是画面右下方的“AVAILABLE FOR NEW PROJECTS”。边界框紧贴完整单行文字；六个正点分布在各段文字的字形笔画上，负点位于左侧圆形状态标记、上方横线及文字外的红色背景，均不包含在目标内。"}},{"name":"Restarted opening red disk","description":"Small red disk centered on black when the sequence returns to its opening identity animation, initially surrounded by a thin gray ring.","membership":"Include the filled red circle and its boundary only. Exclude the surrounding ring and peripheral reel text.","id":"obj_024","temporal":{"status":"found","start_s":10.25,"end_s":10.75,"reference_s":10.25,"evidence":"10.25秒黑底中央出现完整的小红色实心圆盘，外有独立的细灰环；10.50秒圆盘仍可辨认，上方开始伸出红色射线。前一帧10.00秒为近乎全黑，尚无圆盘；后一帧10.75秒已变成放射状标志，不再具有独立圆盘轮廓。选择10.25秒作为关键帧，圆盘边界清楚且与外围灰环分离。","start_frame":246,"end_frame":258,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[481.8,467.6,518.2,532.4],"positive_points":[[493,482],[505,478],[488,501],[507,500],[494,516],[506,519]],"negative_points":[[426.6,500],[573.4,500],[500,369.4],[500,631.5]],"evidence":"目标是画面中央、细灰环包围的红色实心圆盘。边界框紧贴红盘及其边缘，不包含灰环或外围文字。六个正点分布在红盘内部，四个负点位于明确排除的外围灰环上。"}},{"name":"Restarted red radial emblem","description":"Red sunburst built from rounded spokes radiating from a connected center. It develops from a few spokes into a complete irregular emblem on black.","membership":"Include the connected center and all visible red spokes, following the changing outer outline and gaps between rays. Exclude surrounding rings, dotted background, and circular lettering.","id":"obj_025","temporal":{"status":"found","start_s":10.75,"end_s":12.0,"reference_s":11.5,"evidence":"目标是黑底上由相连中心和圆头红色辐条组成的重启太阳纹徽记，不含外围圆环和环形文字。10.50秒仍只有少数辐条，属于构建阶段；10.75秒辐条结构首次完整。最后符合帧为11.75秒，徽记虽缩小且有运动模糊，但仍完整；12.00秒已被红底文字转场替代。选择11.50秒作为关键帧，轮廓清晰、无遮挡，便于区分辐条与外围装饰。","start_frame":258,"end_frame":288,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[359.4,276.9,627.1,744.4],"positive_points":[[500,500],[470.3,291.7],[367.7,433.3],[598.4,330.6],[618.8,559.3],[531.8,727.8]],"negative_points":[[676,490],[322,510],[500,184],[500,878]],"evidence":"目标是画面中央由连通红色中心及圆头放射状辐条组成的日芒徽标。边界框紧贴所有红色辐条的最外端；六个正点分布在中心和不同方向的辐条上，四个负点位于徽标外侧的环形文字或背景处，不标记辐条间的空隙。"}},{"name":"Circular identity lettering","description":"Widely spaced cream text arranged around the restarted red emblem, repeating “SHOWREEL 2026,” “CLAUDE,” and “MOTION DESIGN.”","membership":"Include the lettering and textual separator dots around the circular baseline. Exclude the central emblem, surrounding circular rules, and the empty area between the letters.","id":"obj_026","temporal":{"status":"found","start_s":11.25,"end_s":11.75,"reference_s":11.5,"evidence":"目标是重启后的红色徽记外围、沿圆周排列的奶油色疏排文字“SHOWREEL 2026”“CLAUDE”“MOTION DESIGN”及分隔点，不含徽记和圆形细线。11.25秒首次完整呈现，11.50秒仍完整可见；前一帧11.00秒仅揭示部分圆周文字，后一帧11.75秒文字已消失。选择11.50秒为关键帧，文字清晰、无遮挡，便于区分文字与周围圆线。","start_frame":270,"end_frame":282,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[318.2,177.8,681.3,822.2],"positive_points":[[511.5,183.3],[588.5,226.9],[675.5,511.1],[589.6,772.2],[407.8,773.1],[319.8,513.0]],"negative_points":[[500,500],[760.4,500],[239.6,500],[500,55.6]],"evidence":"目标是围绕红色徽标排列的浅色环形文字，包含重复的“SHOWREEL 2026”“CLAUDE”“MOTION DESIGN”和分隔圆点。边界框紧贴整圈文字的可见范围，不含外围圆线。六个正点分布在不同方位的字形笔画上；负点位于明确排除的中央红色徽标及文字圈外背景。"}},{"name":"Repeated CLAUDE identity wordmark","description":"Large black “CLAUDE” revealed on red after the restarted radial identity animation, again changing the widths and heights of its letters.","membership":"Include the six letterforms throughout their reveal and deformation. Exclude the transition flash, background, horizontal rule, subtitle, and small peripheral labels.","id":"obj_027","temporal":{"status":"found","start_s":12.25,"end_s":13.5,"reference_s":12.5,"evidence":"目标是重启的放射状标志动画之后，红底上再次出现的黑色六字母“CLAUDE”，字形持续改变宽高。首个完整呈现帧为12.25秒，最后合格帧为13.25秒；此前12.00秒仍是转场闪光和不完整字母，此后13.50秒字标已消失，切换为浅底圆点场景。选择12.50秒作为关键帧，六个字母完整清晰，便于独立标注，且不包含横线、字幕和外围标签。","start_frame":294,"end_frame":324,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[77.08,361.11,922.92,582.41],"positive_points":[[96.35,470.37],[270.83,500],[447.92,504.63],[623.44,472.22],[776.04,472.22],[875,481.48]],"negative_points":[[500,285],[500,704],[500,220],[58,70]],"evidence":"目标为红色背景中央的大号黑色“CLAUDE”字标，边界框紧贴六个字母的整体可见范围。六个正点分别位于各字母的实心笔画上；负点位于字标上、下方的外部红色背景、上方横线及左上角小号标签处，均不在字母内部空洞或字间空隙中。"}},{"name":"Repeated motion designer subtitle","description":"Cream italic serif “motion designer” beneath the repeated large red-card wordmark.","membership":"Include the complete subtitle lettering only. Exclude the wordmark and background.","id":"obj_028","temporal":{"status":"found","start_s":13.0,"end_s":13.5,"reference_s":13.0,"evidence":"目标是重复出现的红色标题卡上、大号黑色 CLAUDE 下方的奶油色斜体衬线文字“motion designer”，仅包含副标题字母。13.00秒首次完整显示，13.25秒仍完整可见；前一帧12.75秒仅有尚未完成揭示的文字碎片，后一帧13.50秒已切换至浅色圆点画面，副标题消失。选择13.00��作为关键帧，字形清晰完整且无遮挡。","start_frame":312,"end_frame":324,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[308.3,709.3,696.4,826.9],"positive_points":[[320.3,763.9],[360,763.9],[413.5,716.7],[521.4,740.7],[596.4,819.4],[690.6,747.2]],"negative_points":[[572.9,574.1],[260.4,768.5],[729.2,768.5],[494.8,879.6]],"evidence":"目标是大号“CLAUDE”字标下方的奶油色斜体衬线“motion designer”。边界框紧贴整段字幕的可见字形；六个正点分布在两词的字母笔画上，负点位于上方字标及字幕左右、下方的红色背景中。"}},{"name":"Repeated easing comparison heading","description":"“Six ways to get from A to B.” reappearing above the second presentation of the easing comparison.","membership":"Include the entire heading text only. Exclude the chart and duration note.","id":"obj_029","temporal":{"status":"found","start_s":13.75,"end_s":15.5,"reference_s":14.0,"evidence":"目标是第二次缓动对比画面上方的完整标题“Six ways to get from A to B.”，不包括图表及右侧时长说明。首个符合条件的采样帧为13.75秒，最后一帧为15.25秒；此前13.50秒仍是过渡画面，标题尚未出现，此后15.50秒标题已消失，仅剩蓝色椭圆。选择14.00秒作为关键帧，标题完整清晰且无遮挡。","start_frame":330,"end_frame":372,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[77.6,153.7,399.5,213.0],"positive_points":[[88.0,178.7],[131.8,192.6],[197.4,185.2],[231.8,172.2],[270.3,178.7],[385.4,183.3]],"negative_points":[[238.0,125.0],[250.0,244.0],[343.8,307.4],[744.0,195.0]],"evidence":"目标是图表上方的斜体标题“Six ways to get from A to B.”。边界框紧贴整行文字，包含末尾句点，不包含图表或时长说明。六个正点分布在标题不同词的字形笔画上；负点位于标题外背景、下方图表圆点及右侧时长说明处。"}},{"name":"Repeated easing duration note","description":"“SAME DISTANCE · SAME DURATION (0.94s)” above the right side of the reintroduced easing chart.","membership":"Include the complete note text, excluding the endpoint labels and chart beneath it.","id":"obj_030","temporal":{"status":"found","start_s":13.75,"end_s":15.5,"reference_s":14.0,"evidence":"目标是再次出现的缓动图表右上方完整文字“SAME DISTANCE · SAME DURATION (0.94s)”，不含端点标签。首个合格帧为13.75秒，最后为15.25秒；此前13.50秒仍是转场散点，尚无该文字，此后15.50秒图表及文字消失，仅剩蓝色椭圆。选择14.00秒作为关键帧，文字完整清晰且无遮挡。","start_frame":330,"end_frame":372,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[694.27,188.89,884.9,200],"positive_points":[[695.83,194.44],[726.56,190.74],[757.81,190.74],[778.65,194.44],[814.58,194.44],[877.6,194.44]],"negative_points":[[790,173],[790,219],[885.42,247.22],[828,307.41]],"evidence":"目标是图表右上方的“SAME DISTANCE · SAME DURATION (0.94s)”说明。边界框紧贴完整单行文字，正点分布在各段文字的字形笔画上；负点位于文字上下的外部背景、B端点标签及下方图表线上，均不属于该说明。"}},{"name":"Repeated six-row easing chart","description":"Second presentation of the six-row A-to-B comparison, again showing linear, ease-in-out, expo-out, back-out, elastic, and bounce motion with miniature curves and colored disks.","membership":"Include all six row numbers and labels, miniature axes and easing curves, curve markers, A and B labels, horizontal tracks, endpoint ticks, animated disks, and position ticks. Exclude the separate heading and duration note, peripheral reel information, and transient motion blur or emphasis rings.","id":"obj_031","temporal":{"status":"found","start_s":14.25,"end_s":15.25,"reference_s":15.0,"evidence":"这是第二次出现的六行 A→B 缓动比较图，含六种标签、微型曲线及彩色圆盘。首个完整帧为14.25秒，最后合格帧为15.00秒；此前14.00秒部分轨道尚未延伸至B端，此后15.25秒上方轨道已开始从左侧擦除。选择15.00秒作关键帧，六行结构清晰完整，圆盘较清楚，便于区分图表与外围标题、说明。","start_frame":342,"end_frame":366,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[78.1,241.7,990.6,761.1],"positive_points":[[112.5,307.4],[255.2,386.1],[883.9,477.8],[645.8,563.0],[884.9,648.1],[265.6,719.4]],"negative_points":[[239.6,176.9],[783.3,193.5],[859.4,932.4],[546.9,879.6]],"evidence":"图中可见完整的六行缓动对比图，包含 linear、ease-in-out、expo-out、back-out、elastic 和 bounce。边界框覆盖六行编号与名称、微型曲线及坐标轴、A/B 标签、轨道、端点、位置刻度和实心圆盘，右侧包含 elastic 的最远刻度。六个正点分别落在各行的文字、曲线、轨道或圆盘上；负点位于独立标题、时长说明、底部外围信息和图表下方背景。运动残影及强调圆环不属于目标。"}},{"name":"Repeated standalone blue disk and morphing circle","description":"Blue disk isolated at the center after the repeated easing chart, subsequently presented as the large cream circle in the repeated blue radial demonstration.","membership":"Include the filled disk and its boundary through changes of scale, proportions, and color. Exclude surrounding diagram elements, text, and motion echoes.","id":"obj_032","temporal":{"status":"found","start_s":15.5,"end_s":17.75,"reference_s":16.0,"evidence":"目标在重复缓动图表之后，于15.50秒成为中央独立蓝色圆盘，随后连续变为蓝底上的大型奶油色圆形，并继续形变为三角形、星形和方形；仅追踪中央实心主体，不含外围图示及运动残影。首个合格帧为15.50秒，前一帧15.25秒仍是六行缓动图表；最后合格帧17.50秒显示完整奶油色方形，17.75秒已被曲线铺排图案替代。选择16.00秒作为关键帧，此时中央圆形边界清晰，与外围元素分离。","start_frame":372,"end_frame":426,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[400.5,323.1,599.5,677.0],"positive_points":[[473,370],[547,405],[580,509],[532,623],[451,599],[423,475]],"negative_points":[[500,235.2],[626.6,500],[701.6,430.6],[333.3,398.1]],"evidence":"目标是蓝色径向演示中央的大型奶油色实心圆。边界框紧贴其可见圆周，仅覆盖圆盘本体。六个正点分散在圆盘内部；四个负点分别位于外围运动回声圆环、轨道小圆及外部蓝色背景，排除周围图示元素。"}},{"name":"Repeated radial morphing diagram","description":"Second presentation of the blue radial demonstration, with dotted circular orbit, crosshair axes, cream satellite symbols, and a large central form progressing from circle to triangle to star.","membership":"Include the dotted orbit and its enclosed diagram area, crosshair lines, radial ticks, angle labels, satellites, and central symbol. Separately listed central symbols remain within this region. Exclude the independent side readouts and transient red echo outlines.","id":"obj_033","temporal":{"status":"found","start_s":16.0,"end_s":17.5,"reference_s":16.0,"evidence":"目标是第二次出现的蓝底径向变形图，包含点状圆轨道、十字轴线、刻度与角度标签、奶油色卫星及中央形状，不含侧面读数和红色残影。16.00秒首次完整建立；此前15.75秒卫星仍在展开，整体尚未完整。最后合格帧为17.25秒，中央形状向方形变形时外围图仍完整；17.50秒已替换为黑底独立方形。选择16.00秒作关键帧，轨道及卫星清楚完整，便于标注。","start_frame":384,"end_frame":420,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[144.3,75.9,856,925],"positive_points":[[180,500],[463,154],[500,500],[702,431],[538,856],[500,910]],"negative_points":[[190,529],[811,530],[260,240],[770,790]],"evidence":"根据蓝底上的点状圆轨道、十字轴、奶油色卫星和中央圆形识别目标。框覆盖完整十字轴、轨道及其内部图示、径向刻度和角度标签；不纳入独立侧边读数和红色回声轮廓。正点分布于轴线、中央形状及上下和右侧卫星，负点位于两侧独立读数与图示外的蓝色背景。"}},{"name":"Repeated morph transition readout","description":"Left-side text in the repeated radial demonstration, updating through “MORPH CIRCLE → CIRCLE,” “MORPH CIRCLE → TRIANGLE,” and “MORPH TRIANGLE → STAR.”","membership":"Include the complete updating text block only. Exclude the adjacent diagram and crosshair line.","id":"obj_034","temporal":{"status":"found","start_s":15.75,"end_s":17.5,"reference_s":16.0,"evidence":"目标是重复出现的蓝底径向演示左侧完整的“MORPH … → …”更新文字块，不含图形和十字线。15.75秒文字已完整显示，持续更新至17.25秒（STAR → SQUARE）。前一帧15.50秒仅有蓝色椭圆，没有该文字；后一帧17.50秒切为黑底白色方块，文字消失。选择16.00秒作为关键帧，文字清晰完整且无遮挡。","start_frame":378,"end_frame":420,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[135.4,523.1,249.0,534.3],"positive_points":[[136.5,527.8],[157.3,529.6],[172.4,527.8],[198.0,524.5],[219.8,525.9],[246.9,532.4]],"negative_points":[[187.5,500.0],[264.6,484.3],[125.0,555.6],[419.3,495.4]],"evidence":"目标是左侧的“MORPH CIRCLE → CIRCLE”更新读数。框仅覆盖整行文字，正点分布在各段文字的字形笔画上；负点位于上方横向准线、270°标注、外部蓝色背景及右侧圆形图案，均不属于目标。"}},{"name":"Repeated morph parameter readout","description":"Right-side T and ROT values above “SPRING F=2.6 ζ=0.30” in the repeated radial demonstration.","membership":"Include both lines of parameter labels and values as one text block. Exclude the diagram and axis line.","id":"obj_035","temporal":{"status":"found","start_s":16.0,"end_s":17.5,"reference_s":16.0,"evidence":"目标是重复径向演示右侧的两行参数���字：上行为 T、ROT 数值，下行为 SPRING F=2.6 ζ=0.30，不含轴线。16.00 秒首次完整清晰呈现，持续至最后合格帧 17.25 秒；前一帧 15.75 秒文字仍在淡入，后一帧 17.50 秒切换为黑底方形，参数块消失。选择 16.00 秒作关键帧，文字清晰、无遮挡且与图形分离。","start_frame":384,"end_frame":420,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[757.3,523.1,865,559.3],"positive_points":[[768.8,528.7],[813.5,528.7],[837,525.9],[759.9,551.9],[799.5,552.8],[861.5,552.8]],"negative_points":[[807.3,500],[500,500],[885.4,544.4],[729.2,555.6]],"evidence":"目标是右侧参数读数：上行为 T 和 ROT 数值，下行为 SPRING F=2.6 ζ=0.30。边界框紧贴两行完整文字，正点分布在两行标签及数值的字形上；负点位于上方轴线、中央圆形和文字块外侧背景，排除图示与轴线。"}},{"name":"Repeated central morphing triangle","description":"Large cream triangle replacing the circle in the repeated blue radial demonstration, with curved edges during its transformation.","membership":"Include the filled triangular form and its changing true outline. Exclude satellite triangles, diagram lines, and motion echoes.","id":"obj_036","temporal":{"status":"found","start_s":16.25,"end_s":16.75,"reference_s":16.5,"evidence":"目标是第二次蓝色径向演示中央的大型奶油色实心三角形，不包括外围小三角、图示线和运动残影。16.25秒首次呈现完整的弯边三角形，16.50秒仍为完整三角形；前一帧16.00秒中央是圆形，后一帧16.75秒已变为星形。选择16.50秒作为关键帧，因主体轮廓清晰且与外围图形易于区分。","start_frame":390,"end_frame":402,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[428.6,311.1,627.6,703.7],"positive_points":[[440.1,342.6],[447.9,648.1],[604.2,484.3],[494.8,435.2],[494.8,564.8],[453.1,495.4]],"negative_points":[[700.5,409.3],[477.6,199.1],[644.8,589.8],[375,481.5]],"evidence":"目标是蓝色径向示意图中央的大型奶油色弧边三角形。边界框紧贴其填充区域及真实外轮廓，不含周围的小三角形、辅助线和红色运动残影。六个正点分布于主体内部及三个角附近；负点位于外围小三角形、运动残影区域和左侧蓝色背景。"}},{"name":"Repeated central morphing star","description":"Large cream five-pointed star replacing the triangle in the repeated radial demonstration, rotating and changing its point proportions.","membership":"Include the filled star and its true outline, following all concavities between points. Exclude satellite stars, surrounding diagram elements, and trailing outlines.","id":"obj_037","temporal":{"status":"found","start_s":16.75,"end_s":17.25,"reference_s":17.0,"evidence":"目标是重复径向演示中央的大型奶油色实心五角星，不包括外围小星、图示线和拖尾轮廓。16.75秒首次呈现完整五角星，旋转及尖角比例变形仍属完整形态；17.00秒为最后符合帧。前一帧16.50秒中央仍是三角形，后一帧17.25秒已变为向方形过渡的四角形态。选择17.00秒作为关键帧，五个尖角和凹口清楚且无遮挡。","start_frame":402,"end_frame":414,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[380.7,299.1,627.1,742.6],"positive_points":[[496,494],[428.1,355.6],[554.7,338.9],[601,541.7],[510.4,682.4],[409.4,572.2]],"negative_points":[[708.3,506.5],[601,617.6],[364.6,370.4],[317.7,682.4]],"evidence":"目标是画面中央的大型奶油色实心五角星。边界框紧贴五个尖端的可见极值，正点分布于中心及五个星角内部；负点位于外围小星、右下拖尾轮廓和左侧蓝色背景，排除卫星星形、图示及拖尾。"}},{"name":"Repeated standalone cream square","description":"Cream square centered on black after the repeated star demonstration.","membership":"Include the square’s surface and boundary. Exclude the edge glow, black background, and peripheral reel information.","id":"obj_038","temporal":{"status":"found","start_s":17.5,"end_s":17.75,"reference_s":17.5,"evidence":"目标是重复星形演示后，黑色背景中央独立出现的奶油色正方形，仅包含其表面与边界。首个及最后一个合格采样帧均为17.50秒；前一帧17.25秒仍是蓝底上的星形至方形变形，后一帧17.75秒已替换为曲线拼接图案。选择17.50秒为关键帧，因为正方形完整清晰、无遮挡，易于排除边缘光晕和外围信息。","start_frame":420,"end_frame":426,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[405.73,332.41,594.27,667.59],"positive_points":[[430,379],[560,398],[469,490],[578,553],[420,622],[534,643]],"negative_points":[[360,500],[638,520],[500,280],[509,746]],"evidence":"图像中央的独立奶油色实心正方形与目标描述一致。边界框紧贴方形表面及边界，不包含外侧紫色辉光；六个正点分散在方形内部，四个负点位于其四周的黑色背景上，远离边缘及外围字幕。"}},{"name":"Repeated Truchet pattern","description":"Reintroduced systems graphic of cream quarter-circle arcs on black, forming a broad field of loops and winding paths at the end of the sampled sequence.","membership":"Include the displayed arc tiles and the open paths or closed loops they form. Closed loops include their enclosed areas; open curves remain open. Exclude the full-frame background and peripheral reel labels.","id":"obj_039","temporal":{"status":"found","start_s":17.75,"end_s":18.0,"reference_s":17.75,"evidence":"目标是末尾重新出现的黑底奶油色 Truchet 弧形瓦片场，包含闭合环与蜿蜒开放路径，不含背景及边缘标签。17.75 秒为首个也是最后一个符合条件的采样帧，弧形结构已可完整辨认，外围瓦片虽较小仍呈完整弧形；前一帧 17.50 秒仅见中央方块，尚无该图案。区间到达视频末尾，没有后续采样帧。选择 17.75 秒作为关键帧，便于区分弧线、闭环及黑色背景。","start_frame":426,"end_frame":432,"reference_frame":426},"grounding":{"status":"found","bbox_xyxy":[57.8,0,943,1000],"positive_points":[[307,74],[531,55],[250,444],[750,329],[469,724],[623,889]],"negative_points":[[35,463],[966,556],[934,69],[130,69]],"evidence":"目标是画面中反复排列的奶油色四分之一圆弧，连接成环与蜿蜒路径。边界框覆盖全部可见图案，包括两侧细小弧片及上下被画面截断的部分；闭环内部属于目标，开放曲线之间的背景不属于目标。正点分布在上、中、下部的实际弧线上，负点位于两侧外部黑色背景和顶部外围卷轴标签处。"}}]}
+{"video_id":193,"video_type":"visual design and media animation","targets":[{"name":"Endless-scrolling illustration board","description":"The black-outlined dark teal board in the opening scene contains a worried white stick figure holding a phone, a red-orange treadmill-like platform with a yellow upright, and moving yellow, orange, and teal warning cards.","membership":"Include the board’s outer outline, enclosed teal surface, and all illustrated contents, including the figure, phone, platform, upright, and warning cards. Exclude the surrounding cream background and captions beneath the board.","id":"obj_001","temporal":{"status":"found","start_s":0.5,"end_s":7.25,"reference_s":1.0,"evidence":"目标是开场黑色描边的深青色画板，内含持手机的白色人物、橙红色平台、黄色立柱和多色警告卡片。首个合格帧为0.50秒，前一帧0.25秒仍处于淡入；最后合格帧为7.00秒，后一帧7.25秒已开始淡出。选择1.00秒为关键帧，画板边界和内部组成清晰完整，且与下方字幕及奶油色背景易于区分。","start_frame":12,"end_frame":174,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[36,36,964,910],"positive_points":[[141,326],[296,454],[438,518],[578,807],[813,264],[159,778]],"negative_points":[[500,15],[16,486],[985,583],[610,954]],"evidence":"目标是带黑色外轮廓的深青色插画板，内部可见持手机的白色人物、红橙色平台、黄色立柱和警示卡片。边界框紧贴整块板的外缘，包含全部内部插画；正点分布在板面及代表性内容上，负点位于板外奶油色背景和下方字幕处。"}},{"name":"Endless-scrolling caption block","description":"The bold black caption beneath the opening board begins “You mistake endless scrolling for staying informed,” and changes to “because stopping feels like missing a critical warning.”","membership":"Include only the lettering of the continuously presented caption block. Exclude the illustration board and cream backing.","id":"obj_002","temporal":{"status":"found","start_s":0.5,"end_s":6.5,"reference_s":1.0,"evidence":"目标是开场画板下方的粗黑字幕，先显示“You mistake endless scrolling for staying informed,”，后连续替换为“because stopping feels like missing a critical warning.”。首个合格帧为0.50秒；前一帧0.25秒的字幕仍处于淡入状态。最后合格帧为6.25秒，随后6.50秒字幕已消失。选择1.00秒作为关键帧，字形完整清晰，且与上方画板明确分离。","start_frame":12,"end_frame":156,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[150,932,851,983],"positive_points":[[158.6,962.5],[214.1,954.2],[332,947.2],[444.5,947.2],[613.3,947.2],[719.5,958.3]],"negative_points":[[99,957],[905,951],[516,917],[469,866]],"evidence":"目标是画板下方的黑色粗体字幕“You mistake endless scrolling for staying informed,”。边界框紧贴整行文字及末尾逗号；六个正点分布在不同单词的字形笔画上，四个负点位于字幕外的米色背景或上方插画板内，未标注字间空隙。"}},{"name":"The loop diagram","description":"A circular explanatory diagram on the cream background, with a yellow bell node above, an orange pulse-line node at right, a teal star node below, and a cream repeat-arrow node at left. Curved arrows connect the nodes around the central orange title “THE LOOP”.","membership":"Include the four circular nodes with their boundaries, enclosed surfaces, and symbols; the connecting arrow strokes and arrowheads; and the central title. Exclude the unbounded background between these elements, the moving black progress dot, and the caption below.","id":"obj_003","temporal":{"status":"found","start_s":7.75,"end_s":15.25,"reference_s":8.0,"evidence":"目标由上方黄色铃铛、右侧橙色脉冲线、下方青色星形、左侧米白色重复箭头四个圆形节点，以及连接箭头和中央橙色“THE LOOP”组成。7.75秒首次完整清晰呈现，前一帧7.50秒仍在淡入；15.00秒为最后合格帧，后一帧15.25秒已开始淡出。选择8.00秒作为关键帧，整体结构清晰、节点和标题易于辨认；不包含移动黑点及下方字幕。","start_frame":186,"end_frame":366,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[295.3,130.6,704.7,843.1],"positive_points":[[499.2,170.8],[673.4,487.5],[506.3,806.9],[312.5,497.2],[423.4,487.5],[631.3,367.0]],"negative_points":[[582.8,268.1],[500.0,365.3],[234.4,486.1],[496.9,954.2]],"evidence":"根据四个圆形节点、环绕连接箭头和中央“THE LOOP”标题识别目标。边界框紧贴整个图示的可见范围；正点分布在四个节点内部、标题字形和连接箭头上。负点位于明确排除的黑色进度点、节点间无界背景、左侧外部背景及底部字幕处。"}},{"name":"Cycle explanation caption block","description":"The bold black caption beneath the loop diagram begins “Here is the exact anatomy of the cycle: curiosity,” and changes to “negative headline spike, random reward, loop repeats.”","membership":"Include only the caption lettering throughout its continuous updates. Exclude the diagram, its moving marker, and the cream background.","id":"obj_004","temporal":{"status":"found","start_s":7.75,"end_s":15.0,"reference_s":8.0,"evidence":"目标是循环图下方的黑色粗体字幕，先显示“Here is the exact anatomy of the cycle: curiosity,”，后连续更新为“negative headline spike, random reward, loop repeats.”。首个完整显示帧为7.75秒，最后 qualifying 帧为14.75秒；前一帧7.50秒未显示字幕，后一帧15.00秒字幕已消失，仅保留图示。选择8.00秒作为关键帧，字幕完整清晰、无遮挡，易与上方图示区分。","start_frame":186,"end_frame":360,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[168.75,933.33,830.47,983.33],"positive_points":[[172.66,951.39],[323.44,955.56],[405.47,963.89],[532.81,948.61],[621.09,956.94],[703.13,955.56]],"negative_points":[[140,955],[300,888],[700,895],[500,750]],"evidence":"目标是循环图下方以“Here is the exact anatomy”开头、以“curiosity,”结尾的黑色粗体字幕。边界框紧贴整行字幕，包含末尾标点；六个正点分布在不同单词的字形笔画上，负点位于字幕外的米色背景及上方独立图标上。"}},{"name":"Smartphone prison illustration","description":"A large upright cream smartphone with a teal screen transformed into a barred prison. An orange padlock hangs near the top, and a sad stick figure sits behind the bars in the lower half.","membership":"Include the phone’s outer boundary and enclosed area, including its cream casing, home button, teal screen, black bars, padlock, and captive figure. Exclude the external yellow radiating strokes and captions.","id":"obj_005","temporal":{"status":"found","start_s":15.75,"end_s":23.0,"reference_s":16.0,"evidence":"目标是奶油色直立手机，青绿色屏幕内有黑色监狱栏杆、橙色挂锁及下半部的悲伤火柴人。首个合格帧为15.75秒，末个为22.75秒；此前15.50秒仍在淡入，此后23.00秒手机轮廓和内部图案开始淡出。选择16.00秒作为关键帧，手机结构完整清晰、无遮挡，便于排除外部黄色放射线和字幕。","start_frame":378,"end_frame":552,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[339.1,48.6,660.9,868.1],"positive_points":[[364,85],[394,371],[605,447],[500,265],[502,543],[557,824]],"negative_points":[[226.6,372.2],[753.9,563.9],[351.6,902.8],[306.3,458.3]],"evidence":"目标是中央带铁栏、橙色挂锁和悲伤人物的直立手机。边界框紧贴手机外轮廓，包含奶油色机身、屏幕及所有内部元素，不包含外部黄色放射线和底部字幕。正点分布于机身、青绿色屏幕、挂锁和人物；负点位于两侧背景、底部字幕及左侧黄色短线。"}},{"name":"Ancient defense mechanisms caption","description":"The two-line bold black caption beneath the smartphone prison reads “Our ancient defense mechanisms were built for the savannah.”","membership":"Include the lettering of both lines as one text block. Exclude the phone illustration and cream background.","id":"obj_006","temporal":{"status":"found","start_s":15.75,"end_s":19.0,"reference_s":16.0,"evidence":"目标是手机监狱图下方的两行黑色粗体文字“Our ancient defense mechanisms were built for the savannah.”。首个合格帧为15.75���，最后为18.75秒；此前15.50秒文字仍在淡入，之后19.00秒文字已消失。选择16.00秒作为关键帧，两行文字完整清晰、无遮挡，便于标注。","start_frame":378,"end_frame":456,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[151.6,880.6,849.2,977.8],"positive_points":[[154.7,900],[323.4,902.8],[439.1,905.6],[696.9,895.8],[430.5,954.2],[556.3,961.1]],"negative_points":[[125,902.8],[875,902.8],[398.4,958.3],[500,831.9]],"evidence":"目标是手机监牢下方的两行黑色粗体英文字幕，内容与描述一致。边界框紧密覆盖两行完整文字；六个正点分布在两行的字母笔画上，四个负点位于文字外侧的奶油色背景及上方手机区域，不包含字间或行间空隙。"}},{"name":"Glowing rectangles caption","description":"After a caption-free stretch of the smartphone prison scene, the bold black text reads “Today, they chain us to glowing rectangles.”","membership":"Include only this caption’s lettering. Exclude the phone illustration, surrounding background, and yellow emphasis strokes.","id":"obj_007","temporal":{"status":"found","start_s":20.0,"end_s":22.75,"reference_s":21.0,"evidence":"目标为手机牢笼画面底部的粗黑字幕“Today, they chain us to glowing rectangles.”，仅包含 lettering。首次完整出现于20.00秒，最后符合条件的帧为22.50秒；前一帧19.75秒没有字幕，后一帧22.75秒字幕已消失。选择21.00秒作为关键帧，字幕完整清晰、无遮挡，便于单独标注。","start_frame":480,"end_frame":546,"reference_frame":504},"grounding":{"status":"found","bbox_xyxy":[204.7,934.7,796.1,983.3],"positive_points":[[210.9,940.3],[318.0,950.0],[389.8,950.0],[457.0,958.3],[545.3,950.0],[792.2,966.7]],"negative_points":[[171.9,955.6],[824.2,952.8],[500.0,898.6],[781.3,861.1]],"evidence":"图像底部的粗黑文字为“Today, they chain us to glowing rectangles.”。边界框紧贴整行字幕，正点分散落在文字笔画及句末标点上；负点位于字幕左右和上方的外部背景，不包含手机或黄色强调线。"}},{"name":"Person holding a glowing phone","description":"In the final scene, a black stick figure with a cream circular face stands near the lower center, holding a phone beside their face. The expression changes from unhappy to smiling.","membership":"Include the outlined head and its enclosed facial area, torso, arms, hands, legs, and feet. Follow the figure’s actual contours without filling the open spaces between limbs. Exclude the held phone, yellow rays, stars, and overlaid caption.","id":"obj_008","temporal":{"status":"found","start_s":23.75,"end_s":26.0,"reference_s":25.75,"evidence":"目标是末段在脸旁举着手机的黑色火柴人，奶油色圆脸由不开心变为微笑；不包含手机、光芒、星星和字幕。23.50秒人物仍在淡入，23.75秒轮廓完整且清晰，为首个合格帧；最后合格帧为25.75秒，持续至视频结束26.0秒，之后无采样帧。选择25.75秒作为关键帧，人物头部、微笑表情和肢体轮廓清楚，便于与手机及装饰区分。","start_frame":570,"end_frame":624,"reference_frame":618},"grounding":{"status":"found","bbox_xyxy":[462.5,519.4,545.3,991.7],"positive_points":[[497.7,583.3],[500,723.6],[486,733.3],[520.3,690.3],[493.8,890.3],[519.5,986.1]],"negative_points":[[568.8,620.8],[607.8,725],[656.3,375],[731.3,954.2]],"evidence":"目标是画面下方中央举着手机的微笑火柴人。边界框覆盖圆形头部、躯干、双臂及可见腿脚，不包含手机、光芒、星星和字幕。正点分布在脸部、躯干、双臂、腿和脚上；负点位于手机内部、黄色光线、星星及底部字幕上。"}},{"name":"Handheld phone","description":"The upright, slightly tilted phone held to the right of the final stick figure’s face has a thick black border and a blank cream display.","membership":"Include the phone’s outer black boundary and all enclosed display area. Exclude the supporting hand, nearby face, yellow glow strokes, and stars.","id":"obj_009","temporal":{"status":"found","start_s":23.75,"end_s":26.0,"reference_s":24.0,"evidence":"目标是最后一个火柴人脸部右侧手持的微倾手机，具有粗黑外框和空白米色屏幕。23.50秒仍处于淡入，23.75秒首次完整清晰呈现；最后合格帧为25.75秒，持续至视频结束26.00秒，之后无采样帧。选择24.00秒作为关键帧，手机轮廓清楚，便于与手、脸及黄色光芒区分。","start_frame":570,"end_frame":624,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[546,546,606,699],"positive_points":[[567,558],[588,580],[570,610],[584,637],[563,666],[580,687]],"negative_points":[[511,582],[527,688],[577,523],[633,625]],"evidence":"目标是人物脸部右侧略微倾斜的手机，具有粗黑边框和空白奶油色屏幕。边界框紧贴手机外缘，包含边框及全部显示区域；六个正点分布于边框和屏幕，负点位于附近脸部、支撑手臂、黄色光线及外部背景，均排除在目标之外。"}},{"name":"Digital captivity caption","description":"The final bold black caption reads “This digital captivity was engineered by designers who”. It stretches across the bottom, overlapping the standing figure’s lower legs.","membership":"Include only the caption lettering. Exclude the figure, phone, cream background, and decorative emphasis marks.","id":"obj_010","temporal":{"status":"found","start_s":23.75,"end_s":26.0,"reference_s":24.0,"evidence":"目标是底部与站立人物小腿重叠的粗黑字幕“This digital captivity was engineered by designers who”。23.50秒字幕仍处于淡入、颜色偏灰，23.75秒首次完整清晰呈现；最后合格帧为25.75秒，字幕持续到视频结束26.00秒，之后无采样帧。选择24.00秒作为关键帧，字幕完整清楚，便于单独标注 lettering。","start_frame":570,"end_frame":624,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[127.3,933.3,873.4,983.3],"positive_points":[[135.2,941.7],[200.8,952.8],[313.3,965.3],[473.4,956.9],[687.5,952.8],[870.3,959.7]],"negative_points":[[140.6,902.8],[390.6,875],[495.3,861.1],[577.3,619.4]],"evidence":"目标是底部黑色粗体字幕“This digital captivity was engineered by designers who”。边界框紧贴整行文字，包含下伸字母；六个正点分布在各段字母笔画上，负点位于字幕外的米色背景、人物腿部和手机上，排除这些非字幕内容。"}}]}
+{"video_id":194,"video_type":"visual design and media animation","targets":[{"name":"User attribution label","description":"The boxed “[user]” label above the left half of the opening phrase, later changing to “[?]”.","membership":"Includes the rectangular label surface, boundary, and lettering; excludes the phrase below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0.25,"evidence":"目标是开场短语左半部上方的黑色矩形归属标签，最初写着“[user]”，1.00秒起变为“[?]”，仍是同一标签。首个合格帧为0.00秒，最后为1.50秒；1.75秒切换为词元布局，标签消失。区间从视频起点开始，没有更早采样帧。选择0.25秒作为关键帧，标签完整清晰、无遮挡，且容易与右侧“[page]”区分。","start_frame":0,"end_frame":42,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[206.8,326.9,330.7,396.3],"positive_points":[[216,339],[230,369],[257,356],[278,373],[313,355],[323,386]],"negative_points":[[189,359],[273,302],[276,491],[581,361]],"evidence":"目标是开头短语左半部上方的黑底白字“[user]”归属标签。边界框紧贴整个矩形标签，包含底色、边界及文字。六个正点分布在标签表面和字形上；负点位于标签外背景、下方短语及右侧“[page]”标签上。"}},{"name":"Your voice text","description":"The opening words “your voice” on the left, changing from mixed serif styling to monospaced lettering.","membership":"Includes the complete lettering of these two words; excludes the attribution label, selection backing, and vertical separator.","id":"obj_002","temporal":{"status":"found","start_s":0.0,"end_s":1.75,"reference_s":1.5,"evidence":"目标是开场左侧完整的“your voice”两词，字体由混合衬线样式变为等宽字；不包括归属标签、选择底色和竖线。首个合格帧为0.00秒，末个为1.50秒。视频起点前无采样帧；紧接着的1.75秒已切换为密集 token 排列，开场这组文字不再存在。选择1.50秒作为关键帧，此时两词完整清晰、无遮挡且没有选择底色。","start_frame":0,"end_frame":42,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[142.7,448.1,515.6,553.7],"positive_points":[[150,487],[184.9,501.9],[265.6,500.9],[342.2,507.4],[425.5,457.4],[500,503.7]],"negative_points":[[173,361],[608,500],[423,670],[360,600]],"evidence":"目标是主标题左侧的“your voice”两词。边界框紧贴完整字形，包含 i 的圆点及 y 的下伸部分，不含右侧“and mine”。六个正点分布在两词的字母笔画上；负点位于上方问号标签、右侧文字、下方说明文字及目标外背景。"}},{"name":"Page attribution label","description":"The magenta “[page]” label above the right half of the opening phrase, later changing to a black “[?]” label.","membership":"Includes the label rectangle and its contents; excludes the words below and the adjacent separator.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0.25,"evidence":"目标是开场短语右半部分上方的洋红色“[page]”矩形标签，1.00秒起变为黑色“[?]”标签，保持同一归属标签的连续出现。首个合格帧为0.00秒，最后为1.50秒；1.75秒画面切换为词元排列，目标消失。区间始于视频开头，无更早帧。选择0.25秒作为关键帧，标签完整清晰，且与下方文字和左侧分隔线易于区分。","start_frame":0,"end_frame":42,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[521.9,326.9,646.4,396.3],"positive_points":[[530.2,337.0],[543.8,369.4],[569.8,360.2],[594.8,372.2],[627.1,358.3],[635.4,387.0]],"negative_points":[[492.7,435.2],[574.0,506.5],[723.4,509.3],[583.3,280.6]],"evidence":"目标是画面右半部、短语上方的洋红色“[page]”归属标签。边界框紧贴标签矩形并包含其中全部文字；六个正点分布在矩形表面及文字区域，四个负点分别位于左侧分隔线、下方单词和标签上方的外部背景。"}},{"name":"And mine text","description":"The opening words “and mine” on the right, with changing typography and word selection.","membership":"Includes the lettering of both words throughout the appearance; excludes colored backing rectangles, the attribution label, and the separator.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0,"evidence":"目标是开场右侧的“and mine”两词字形，不含彩色底块、归属标签和分隔线。首个合格帧为0.00秒，随后字体和选词高亮变化，但两词持续存在，最后合格帧为1.50秒。1.75秒切换为密集词元与“Every thing”场景，开场文字对象已被替换。区间起于视频开头，无更早帧。选择0.00秒作关键帧，两词完整、清晰且无遮挡。","start_frame":0,"end_frame":42,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[510.9,461.1,755,534.3],"positive_points":[[517.7,517.6],[551,507.4],[603.1,475.9],[629.7,504.6],[703.6,509.3],[738.5,525.9]],"negative_points":[[635.4,548.1],[572.9,362],[480.7,416.7],[401,500]],"evidence":"目标是右侧粉色底上的黑色“and mine”。边界框紧贴两词全部字形，不包含粉色底板、上方归属标签或竖直分隔线。六个正点分布在两词的字母笔画上；负点位于下方粉色底板、上方标签、分隔线和左侧“voice”区域。"}},{"name":"Source boundary separator","description":"The thin lavender vertical bar separating the user-attributed and page-attributed portions of the opening sentence.","membership":"Includes only the visible vertical bar; excludes neighboring text and labels.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0.75,"evidence":"目标是开场句子中分隔用户与页面归属部分的细淡紫色竖条，不包括文字和标签。首个合格帧为0.00秒，竖条已完整呈现；最后合格帧为0.75秒。1.00秒帧中竖条消失，出现“boundary: not found”。区间始于视频开头，没有更早帧。选择0.75秒作为关键帧，竖条清晰完整、无遮挡，与相邻文字易于区分。","start_frame":0,"end_frame":24,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[536.46,380.56,542.71,544.44],"positive_points":[[539.2,389.8],[538.5,419.4],[540.1,450.9],[539.1,483.3],[540.1,516.7],[538.5,536.1]],"negative_points":[[508,491],[563,552],[582,362],[524,582]],"evidence":"目标是“voice”与蓝底“and”之间的细淡紫色竖条。边界框紧贴竖条的完整可见范围；六个正点沿条身从上到下分布，四个负点位于邻近文字、蓝色选区、上方标签和条外背景，均不包含竖条。"}},{"name":"Boundary failure message","description":"The centered monospaced message “boundary: not found” beneath the opening sentence.","membership":"Includes the complete message lettering, excluding the phrase and labels above.","id":"obj_006","temporal":{"status":"found","start_s":1.0,"end_s":1.75,"reference_s":1.5,"evidence":"目标是开场句子下方居中的等宽文字“boundary: not found”，不包括上方短语和标签。首次完整出现于1.00秒，最后一个符合条件的帧为1.50秒；前一帧0.75秒尚无该消息，后一帧1.75秒已切换为词元排列场景，原消息消失。选择1.50秒作为关键帧，因为完整文字清晰、无遮挡，易于独立标注。","start_frame":24,"end_frame":42,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[348.9,648.1,651.1,693.5],"positive_points":[[351.6,666.7],[383.3,669.4],[424,666.7],[511.5,671.3],[581.3,663],[648.4,669.4]],"negative_points":[[426,500],[591,356],[319,670],[501,746]],"evidence":"目标是主句下方居中的“boundary: not found”。边界框紧贴完整消息文字，包含字符间距；六个正点分布在三个词的实际字形笔画上，四个负点位于上方主句、问号标签及消息左侧和下方的外部背景。"}},{"name":"Upper token stream","description":"Three rows of small numbered token boxes across the upper portion of the tokenization demonstration, mixing prose, code, and injected text.","membership":"Includes the token-box surfaces, outlines, contents, and associated numeric identifiers in this upper stream; excludes the enlarged central sentence and lower stream.","id":"obj_007","temporal":{"status":"found","start_s":1.75,"end_s":3.5,"reference_s":2.5,"evidence":"目标是 token 化演示上方的三行小型词元框及其数字编号，包含散文、代码和注入文本，不含中央放大句子或下方词元流。首个合格帧为 1.75 秒，三行框体已完整建��；最后合格帧为 3.25 秒。此前 1.50 秒仍是“your voice and mine”画面，此后 3.50 秒切为单行放大词元，上方三行已消失。选择 2.50 秒作为关键帧，框线、内容和编号清晰，且与中央及下方区域容易区分。","start_frame":42,"end_frame":84,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[0,74,1000,309],"positive_points":[[95,121],[610,113],[122,200],[820,193],[265,270],[906,281]],"negative_points":[[97,51],[380,420],[580,715],[473,584]],"evidence":"目标是图像上部横贯画面的三行小型词元框及其上方数字编号。边界框覆盖这三行的全部可见部分，包括左右边缘被截断的框，不包含中央放大句子和下方词元流。六个正点分布在三行不同位置的词元框内；负点位于左上时间标签、中央放大句子、下方词元流和外部空白处。"}},{"name":"Lower token stream","description":"Three rows of small numbered token boxes below the enlarged sentence, including fragments of “boundary: not found” and “It can't tell the difference”.","membership":"Includes the boxes, their contents, outlines, and associated token identifiers in this lower stream; excludes the central enlarged sentence and upper stream.","id":"obj_008","temporal":{"status":"found","start_s":1.75,"end_s":3.5,"reference_s":2.5,"evidence":"目标是放大句子下方的三行小型编号词元框，包含“boundary: not found”和“It can't tell the difference”等片段。首次合格帧为1.75秒，三行框及编号已完整建立；最后合格帧为3.25秒。此前1.50秒仅显示“your voice and mine”及边界提示，尚无下方词元流；此后3.50秒切换为单行放大词元，下方三行消失。选择2.50秒作为关键帧，三行结构清楚，与中央大句子及上方词元流容易区分。","start_frame":42,"end_frame":84,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[0,673.1,1000,907.4],"positive_points":[[106,719],[645,714],[168,794],[746,788],[417,870],[821,871]],"negative_points":[[260,272],[370,423],[500,583],[547,954]],"evidence":"目标是放大句子下方的三行小型 token 流，可见“boundary: not found”和“It can't tell the difference”等片段。边框覆盖三行的编号、文字及盒框，也包含左右边缘被裁切的盒框。六个正点分布于三行的不同盒内；负点位于上方 token 流、中央放大句子及目标上下的外部空白。"}},{"name":"Everything is a token sentence","description":"The enlarged token-box sentence progressively forming “Everything's a token when it's all one line”, then compressing into a single horizontal strip.","membership":"Includes this sentence's token tiles, tile interiors, text, numeric identifiers when visible, and its empty dashed token slot; excludes surrounding token streams and the separate oversized word “line”.","id":"obj_009","temporal":{"status":"found","start_s":4.25,"end_s":5.5,"reference_s":4.5,"evidence":"目标是组成“Everything's a token when it's all one line”的放大词元方框，不包括独立的巨大粉色“line”。4.25秒最后的“line”词元出现，句子初始揭示完成；此前4.00秒仍有未填充的虚线槽。随后词元句子压缩为横条，最后符合条件的5.25秒仍可见细横条，5.50秒已切换到助手与技能商店场景。选择4.50秒作为关键帧，因为完整句子的词元方框清楚地排列在一行，便于与独立“line”区分。","start_frame":102,"end_frame":132,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[49.5,460.2,950,539.8],"positive_points":[[95,491],[199,500],[405,508],[518,496],[724,501],[897,507]],"negative_points":[[768,364],[865,411],[492,402],[510,610]],"evidence":"目标是横向黑色词元方块组成的“Everything's a token when it's all one line”。边框覆盖从“Every”到末尾“·line”的词元块及内部文字；正点分布于句子不同位置的方块内，负点位于上方独立的粉色大字“line”和条带外的浅色背景。"}},{"name":"Line title","description":"The oversized magenta word “line” above the compressed token strip, remaining as the strip collapses.","membership":"Includes the word's lettering only; excludes the token strip, horizontal band, and background.","id":"obj_010","temporal":{"status":"found","start_s":4.25,"end_s":5.5,"reference_s":5.0,"evidence":"目标是 token 条上方独立的洋红色单词“line”，仅包括字母。4.25 秒首次完整出现，随后随条带收缩而缩放，至 5.25 秒仍完整可见；此前 4.00 秒只有 token 条，没有该标题，之后 5.50 秒已切换为助手场景，标题消失。选择 5.00 秒作为关键帧，单词居中、轮廓清晰且无遮挡，容易与下方细线及背景区分。","start_frame":102,"end_frame":132,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[375,327.8,628.1,487],"positive_points":[[386,405],[433,342],[432,450],[479,441],[523,449],[594,424]],"negative_points":[[340,414],[655,423],[500,285],[502,548]],"evidence":"目标是画面中央、细水平线上方的超大洋红色单词“line”。边界框紧贴完整单词的可见字形；六个正点分布在各字母笔画及 i 的圆点上，四个负点位于单词外围背景，避开字间空隙和字形内部。"}},{"name":"You gave it hands title","description":"The large magenta heading progressively revealing “You gave it hand” above the assistant and its tool hands.","membership":"Includes the heading lettering; excludes the typing caret, assistant, and tool graphics.","id":"obj_011","temporal":{"status":"found","start_s":7.0,"end_s":7.25,"reference_s":7.0,"evidence":"目标是助手和工具手图形上方的大号洋红色标题，不含输入光标。7.00秒首次完整显示“You gave it hands,”，也是最后一个合格采样帧；前一帧6.75秒仅显示“You gave it hand”，仍在逐字揭示，后一帧7.25秒已替换为下一句的“you”。选择7.00秒作为关键帧，标题完整清晰且无遮挡。","start_frame":168,"end_frame":174,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[231.8,104.6,763.5,207.4],"positive_points":[[253.1,171.3],[315.6,162],[374.5,195.4],[540.6,160.2],[573,161.1],[736.5,180.6]],"negative_points":[[771.9,146.3],[104.2,50.9],[807.3,314.8],[500,574.1]],"evidence":"目标是图像上方的大号洋红色标题“You gave it hands,”。边界框覆盖完整标题字母及逗号，不含右侧竖直输入光标。六个正点分散落在标题字形笔画上；负点分别位于输入光标、左上角小标签、右侧工具手和下方助手图形上。"}},{"name":"Helpful assistant mascot, tool introduction","description":"The lavender speech-bubble face labeled “helpful_assistant”, initially centered below the heading and later moving to the lower right as its eyes turn magenta.","membership":"Includes the speech bubble's complete contour, tail, surface, facial marks, outline, and small corner dot; excludes surrounding braces, the separate nameplate, pointers, and tools.","id":"obj_012","temporal":{"status":"found","start_s":5.5,"end_s":10.25,"reference_s":6.5,"evidence":"目标是标有 helpful_assistant 的薰衣草紫色对话气泡脸，包含尾部、轮廓、五官和右上角小圆点，不含外围花括号及姓名牌。5.50 秒首次完整出现，随后移动至右下方并改变眼睛颜色，10.00 秒仍完整可见；前一帧 5.25 秒仅有 line 文字，后一帧 10.25 秒已切换为文字与指针，吉祥物消失。选择 6.50 秒作为关键帧，气泡结构清晰完整且无遮挡。","start_frame":132,"end_frame":246,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[421.4,491.7,578.6,728.7],"positive_points":[[438.0,523.1],[564.1,515.7],[447.4,578.7],[500.0,615.7],[552.6,651.9],[449.0,700.9]],"negative_points":[[382.3,592.6],[618.2,588.0],[500.0,779.6],[667.2,783.3]],"evidence":"目标是画面下方中央、helpful_assistant 名牌上方的淡紫色对话气泡脸。边框紧贴气泡完整轮廓并包含尾部；正点分布在表面、面部标记、右上角圆点和尾部。负点位于两侧花括号、独立名牌和白色指针上，均不属于目标。"}},{"name":"Helpful assistant nameplate, tool introduction","description":"The cream rounded nameplate reading “helpful_assistant” beneath the first assistant mascot.","membership":"Includes the nameplate surface, rounded boundary, and lettering; excludes the mascot and surrounding braces.","id":"obj_013","temporal":{"status":"found","start_s":5.5,"end_s":10.25,"reference_s":6.75,"evidence":"目标是首个紫色助手吉祥物下方、写有“helpful_assistant”的奶油色圆角名牌，不含吉祥物及花括号。5.50秒首次完整出现，随助手移动并持续至10.00秒；此前5.25秒仅有“line”画面，之后10.25秒已切换为文字和光标，名牌消失。选择6.75秒为关键帧，名牌边界和 lettering 清晰完整，无遮挡。","start_frame":132,"end_frame":246,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[348.4,747.2,651.6,813.9],"positive_points":[[359.4,763.9],[406.8,788.9],[462.5,771.3],[516.7,797.2],[569.8,777.8],[640.6,798.1]],"negative_points":[[500,629.6],[614.6,703.7],[674.5,800],[494.8,857.4]],"evidence":"目标是中央助手吉祥物下方写有“helpful_assistant”的奶油色圆角名牌。边框紧贴完整名牌，包含底面、圆角边界和文字，不包含吉祥物及周围括号。六个正点分布在名牌左右各处的表面与文字上；负点位于吉祥物、右侧括号、箭头及名牌下方背景。"}},{"name":"User arrow pointer","description":"The large white arrow with a yellow “you” tag, deliberately representing the user as it moves among the assistant, credentials, and tool controls; its tag is eventually crossed out.","membership":"Includes the arrow silhouette and its attached yellow label with lettering; excludes temporary click rings and the later magenta strike-through.","id":"obj_014","temporal":{"status":"found","start_s":5.5,"end_s":11.0,"reference_s":10.5,"evidence":"目标是白色箭头及���黄色“you”标签，从技能商店旁移动到助手、凭证和工具区域。首个完整帧为5.50秒，前一帧5.25秒只有“line”过渡画面；最后合格帧为10.75秒，标签虽被品红线划过，箭头和标签仍在，11.00秒已消失。选择10.50秒为关键帧，箭头与标签较大、完整且无遮挡；不包括点击圆环或后来的划线。","start_frame":132,"end_frame":264,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[567.7,590.7,720.8,881.5],"positive_points":[[580,647],[584,743],[619,794],[641,797],[676,831],[703,863]],"negative_points":[[545,703],[681,709],[602,868],[392,468]],"evidence":"目标是右下方带黄色“you”标签的大型白色箭头。框覆盖箭头轮廓及相连标签，包括标签文字。六个正点分布在箭头尖部、主体、尾部和黄色标签上；负点位于周围外部黑色背景及左侧独立的白色文字光标上。"}},{"name":"Read tool hand","description":"The white pointing-hand graphic labeled “read”, initially at the upper left and later the top hand in the vertical tool column.","membership":"Includes this hand's silhouette, internal strokes, and its associated label surface and text; excludes click indicators and other hands.","id":"obj_015","temporal":{"status":"found","start_s":6.25,"end_s":7.25,"reference_s":6.5,"evidence":"目标是左上方标有“read”的白色指向手，包括手形、内部线条及标签。首次完整出现于6.25秒，最后符合条件的帧为7.00秒；6.00秒尚未出现，7.25秒标签已消失，工具手开始退出，因此不合并后续竖列中的再次出现。选择6.50秒作为关键帧，目标完整清楚，与其他手形分离且无遮挡。","start_frame":150,"end_frame":174,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[58.3,168.5,130.7,360.2],"positive_points":[[65.6,181.5],[74.5,234.3],[108.3,240.7],[90.1,276.9],[91.1,324.1],[114.6,346.3]],"negative_points":[[190.6,325.9],[203.1,413.0],[41.7,324.1],[139.6,231.5]],"evidence":"目标是左上方标有“read”的白色指向手。边界框紧密覆盖手形及下方标签的底面和文字；正点分布在手指、手掌和标签上，负点位于旁边的“write”手形及标签，以及目标外部的黑色背景。"}},{"name":"Write tool hand","description":"The pointing-hand graphic labeled “write”, initially left of center and later second in the vertical tool column.","membership":"Includes this hand and its associated label, including their surfaces, outlines, lettering, and changing magenta coloration; excludes neighboring tools.","id":"obj_016","temporal":{"status":"found","start_s":6.25,"end_s":7.25,"reference_s":6.75,"evidence":"目标是助手左上方、位于 read 与 send 之间的指向手形及其“write”标签。6.25 秒首次完整出现，7.00 秒仍完整可见；前一帧 6.00 秒尚无该工具手，后一帧 7.25 秒标签已消失，工具手开始退场。因此选取这一次连续出现，不合并后续竖列中的再次出现。6.75 秒手形和标签清晰、无遮挡，适合作为空间标注关键帧。","start_frame":150,"end_frame":174,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[161.5,238.9,230.7,434.3],"positive_points":[[173.4,259.3],[179.7,318.5],[203.1,314.8],[200.5,351.9],[182.3,407.4],[218.8,417.6]],"negative_points":[[104.2,338.9],[292.2,481.5],[145.8,416.7],[239.6,296.3]],"evidence":"目标是左侧第二个、标有“write”的指向手形。边界框紧密覆盖手形及其下方标签；四个正点分布在手指和手掌，两个正点位于标签。负点位于相邻的 read、send 标签及目标外侧黑色背景，排除其他工具。"}},{"name":"Send tool hand","description":"The pointing hand labeled “send”, initially nearest the assistant on the left and later third in the tool column.","membership":"Includes this hand's full shape and its associated label; excludes the assistant, separator line, and other hands.","id":"obj_017","temporal":{"status":"found","start_s":6.25,"end_s":7.25,"reference_s":6.5,"evidence":"目标是助手左侧最近的白色指向手及其“send”标签，不含其他工具手。6.25秒首次完整出现，至7.00秒仍完整可见；前一帧6.00秒尚无该手，后一帧7.25秒该手向下退出并被分隔线处的遮罩截断，标签已消失。选择6.50秒作为关键帧，手形和标签清晰且无遮挡；不合并之后工具列中的重新出现。","start_frame":150,"end_frame":174,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[259.9,309.3,323.4,503.7],"positive_points":[[275.5,333.3],[293.2,410.2],[313.0,387.0],[285.4,429.6],[276.6,474.1],[313.0,489.8]],"negative_points":[[198.4,321.3],[458.3,574.1],[341.7,386.1],[239.6,500.0]],"evidence":"目标是助手左侧最近、标有“send”的指向手。边界框紧贴完整手形及下方标签；正点分布在手指、手掌、手腕和标签上，负点位于其他手、助手、右侧背景及排除的分隔线上。"}},{"name":"Delete tool hand","description":"The pointing hand labeled “delete”, initially nearest the assistant on the right and later fourth in the tool column.","membership":"Includes this hand and its label, with all internal marks and color changes; excludes neighboring hands and the horizontal scene divider.","id":"obj_018","temporal":{"status":"found","start_s":6.25,"end_s":7.25,"reference_s":6.5,"evidence":"目标为助手右侧最近的白色指点手及其“delete”标签，不包括相邻的 pay 手或水平分界线。6.25秒首次完整出现，7.00秒仍完整可见；前一帧6.00秒尚未出现，后一帧7.25秒手部已被分界线处的退出遮罩裁切，标签消失。选择6.50秒作为关键帧，手和标签清晰完整且无遮挡；不合并后来工具纵列中的再次出现。","start_frame":150,"end_frame":174,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[670.3,281.5,738.0,507.4],"positive_points":[[700.0,283.3],[698.4,342.6],[704.7,408.3],[728.1,394.4],[684.4,478.7],[725.0,486.1]],"negative_points":[[804.2,324.1],[294.8,402.8],[756.3,500.0],[656.3,383.3]],"evidence":"目标是助手右侧最近、标有“delete”的指向手。边框覆盖手形、指尖点击圆环及下方完整标签。正点分布在圆环、手指、手掌和标签上；负点位于相邻工具手、右侧水平分隔线及外部背景，均不属于目标。"}},{"name":"Pay tool hand","description":"The pointing hand labeled “pay”, initially on the upper right and later fifth in the tool column.","membership":"Includes this hand's silhouette and associated label surface and contents; excludes other tool hands.","id":"obj_019","temporal":{"status":"found","start_s":6.25,"end_s":7.25,"reference_s":6.5,"evidence":"目标是助手右上方、位于“delete”和“shell”之间的指向手及其“pay”标签。6.25秒首次完整出现，至7.00秒仍完整可见；前一帧6.00秒尚未出现，后一帧7.25秒“pay”标签已消失，工具手开始撤出。选择6.50秒作为关键帧，手形和标签清晰完整，与其他工具手分离且无遮挡。","start_frame":150,"end_frame":174,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[775.5,232.4,835.4,433.3],"positive_points":[[801.6,254.6],[796.9,295.4],[802.6,338.9],[828.1,324.1],[784.4,404.6],[811.5,414.8]],"negative_points":[[706.8,396.3],[903.1,259.3],[755.2,274.1],[853.1,404.6]],"evidence":"目标是右上方位于 delete 与 shell 之间、标有“pay”的指向手。框覆盖该手的完整轮廓及下方 pay 标签的底面和文字；正点分布在手指、手掌及标签上，负点位于其他工具手和目标外部背景。"}},{"name":"Shell tool hand","description":"The pointing hand labeled “shell”, initially at the far upper right and later the bottom hand in the tool column.","membership":"Includes this hand and its associated label throughout rotation and recoloring; excludes other tools.","id":"obj_020","temporal":{"status":"found","start_s":6.25,"end_s":7.25,"reference_s":6.5,"evidence":"目标是工具组最右上方的白色指向手及其“shell”标签，排除旁边的 pay 等工具。6.25 秒首次完整出现，7.00 秒为最后完整帧；前一帧 6.00 秒尚无该手和标签，后一帧 7.25 秒标签已消失，工具组正在退场。后来工具列中的再现不合并。选择 6.50 秒，手形与 shell 标签清晰完整、无遮挡。","start_frame":150,"end_frame":174,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[868.2,158.3,939.1,362.0],"positive_points":[[910.4,175.0],[901.6,228.7],[887.0,245.4],[916.1,271.3],[880.7,338.0],[906.8,343.5]],"negative_points":[[810.4,323.1],[797.4,407.4],[955.7,263.0],[850.5,180.6]],"evidence":"目标是右上角标有“shell”的白色指向手。边界框紧密覆盖该手及下方的 shell 标签；六个正点分布在手指、手掌和标签上，四个负点位于相邻 pay 工具及目标外围黑色背景，排除其他工具。"}},{"name":"You gave it keys title","description":"The next magenta heading, progressively revealing “you gave it ke” above the credential demonstration.","membership":"Includes the heading lettering only; excludes its typing caret and the key graphics below.","id":"obj_021","temporal":{"status":"found","start_s":8.25,"end_s":8.5,"reference_s":8.25,"evidence":"目标是凭据演示上方的洋红色标题“you gave it keys”，仅计文字，不含光标及钥匙图形。8.25秒文字首次完整呈现，也是最后合格帧；前一帧8.00秒仍为“you gave it ke”，尚未完成逐字揭示，后一帧8.50秒已替换为下一标题的“N”。选择8.25秒作为关键帧，标题完整清晰、无遮挡。","start_frame":198,"end_frame":204,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[265.6,104.6,732.3,207.4],"positive_points":[[278.1,152.8],[346.9,158.3],[407.3,195.4],[502.6,153.7],[571.9,166.7],[716.1,176.9]],"negative_points":[[738.0,150.9],[636.5,278.7],[106.3,50.9],[479.2,254.6]],"evidence":"目标是画面上方洋红色标题“you gave it keys”。边界框紧贴整段标题字形，不包含右侧输入光标及下方钥匙图案。六个正点分布在标题各处的字母笔画上；负点位于右侧光标、黄色钥匙、左上角时间标签及标题下方的外部背景。"}},{"name":"API_KEY credential tile","description":"The cream credential card labeled “API_KEY” in the row beneath the assistant.","membership":"Includes the card's surface, boundary, visible thickness, and label; excludes adjacent credential cards.","id":"obj_022","temporal":{"status":"found","start_s":7.5,"end_s":8.5,"reference_s":7.75,"evidence":"目标是助手下方凭据行中标有“API_KEY”的奶油色卡片，位于 id_rsa 与 wallet 卡片之间。首个合格帧为7.50秒，卡片表面、边界和厚度已完整可见；7.25秒仍从画面底部进入并被裁切。最后合格帧为8.25秒，8.50秒切换场景后卡片消失。选择7.75秒作为关键帧，因卡片清晰完整、无遮挡，易与相邻凭据区分。","start_frame":180,"end_frame":204,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[605.7,824.1,704.7,931.5],"positive_points":[[615.6,841.7],[694.8,845.4],[651,870.4],[625,898.1],[691.7,904.6],[659.9,923.1]],"negative_points":[[484.4,879.6],[557.3,875.9],[750,873.1],[656.3,953.7]],"evidence":"目标是助手下方凭据行中标有“API_KEY”的奶油色卡片。边界框紧贴卡片表面、边框及底部可见厚度；六个正点分布在卡面、标签和底部厚度上，四个负点位于相邻凭据卡片及下方外部背景。"}},{"name":"Wallet credential tile","description":"The cream card labeled “wallet”, immediately to the right of the API_KEY card.","membership":"Includes this card's entire visible surface, edge, and lettering; excludes neighboring cards and pointers.","id":"obj_023","temporal":{"status":"found","start_s":7.25,"end_s":8.5,"reference_s":7.5,"evidence":"目标是 API_KEY 卡片紧邻右侧、标有“wallet”的奶油色凭据卡。7.25 秒时其完整表面、边缘和文字已出现，虽仍在移动但未被画面裁切；8.25 秒为最后合格帧。此前 7.00 秒尚无该卡片，之后 8.50 秒切换场景，卡片消失。选择 7.50 秒作关键帧，卡片清晰完整，与相邻卡片分离且无遮挡。","start_frame":174,"end_frame":204,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[713.5,824.1,788.5,931.5],"positive_points":[[724,841],[778,843],[735,870],[773,876],[724,904],[775,922]],"negative_points":[[660,870],[831,873],[748,795],[750,960]],"evidence":"目标是图像右下方、API_KEY 卡片右侧标有“wallet”的奶油色卡片。边界框紧贴卡片完整可见表面、边缘和文字；六个正点分布在卡片上部、文字及下部，四个负点位于左右相邻卡片和上下外部背景，未包含指针。"}},{"name":"Masked secret credential tile","description":"The rightmost cream credential card displaying a masked value beginning “sk-”.","membership":"Includes the card surface, boundary, and displayed masked value; excludes the user pointer and adjacent wallet card.","id":"obj_024","temporal":{"status":"found","start_s":7.25,"end_s":8.5,"reference_s":7.5,"evidence":"目标是凭证卡片组最右侧、位于 wallet 右边且显示“sk-…”的奶油色卡片，不包括用户指针。7.25 秒卡片表面和边界已完整出现，持续至最后合格帧 8.25 秒；此前 7.00 秒尚无该卡片，之后 8.50 秒场景切换，卡片消失。选择 7.50 秒作为关键帧，卡片较大、轮廓及掩码文字清楚，易与相邻 wallet 卡片区分。","start_frame":174,"end_frame":204,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[797,824.1,890.1,931.5],"positive_points":[[804.2,838.9],[848.4,840.7],[812,871.3],[847.9,876.9],[811.5,904.6],[850.5,923.1]],"negative_points":[[751,870.4],[876.6,863.9],[905.2,912],[843.2,794.4]],"evidence":"目标是底部最右侧显示“sk-•••”的奶油色凭据卡。边界框紧贴卡片外缘，包含卡面、边框和掩码文字；正点分布于未被遮挡的卡面及文字区域，负点位于左邻 wallet 卡、用户指针、黄色 you 标签和卡片上方背景，排除这些对象。"}},{"name":"Environment credential tile","description":"The leftmost card in the completed credential row, labeled “.env”.","membership":"Includes the card surface, boundary, and lettering; excludes the neighboring id_rsa card.","id":"obj_025","temporal":{"status":"found","start_s":7.5,"end_s":8.5,"reference_s":7.75,"evidence":"目标是凭据横排最左侧标有“.env”的卡片，包含卡面、边框和文字，不含右邻 id_rsa。首个合格帧为7.50秒，最后为8.25秒；7.25秒该卡片正从画面下方进入，仍被边界裁切，8.50秒场景切换后凭据行消失。选择7.75秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":180,"end_frame":204,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[453.6,824.1,514.1,931.5],"positive_points":[[462,836],[503,843],[480,872],[463,900],[504,904],[479,923]],"negative_points":[[558,873],[434,883],[480,954],[657,871]],"evidence":"目标是��部凭据卡片行中最左侧、标有“.env”的卡片。边界框紧贴其卡面、边框及底部窄条，包含文字，不包含右侧的 id_rsa 卡片。正点分布于卡面、文字和底条；负点位于左右邻近的非目标区域、下方背景以及其他凭据卡片上。"}},{"name":"Private-key credential tile","description":"The cream “id_rsa” card between the .env and API_KEY cards.","membership":"Includes the card surface, boundary, and label; excludes adjacent credential cards.","id":"obj_026","temporal":{"status":"found","start_s":7.5,"end_s":8.5,"reference_s":7.75,"evidence":"目标是凭证卡片行中位于“.env”和“API_KEY”之间、标有“id_rsa”的奶油色卡片。首个完整呈现帧为7.50秒，最后合格帧为8.25秒；7.25秒卡片组正从画面底部进入，目标尚未完整露出，8.50秒场景切换后卡片消失。选择7.75秒作为关键帧，卡片边界和标签清晰，无遮挡，且易与相邻卡片区分。","start_frame":180,"end_frame":204,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[523.44,824.07,596.88,932.41],"positive_points":[[531.25,842.59],[588.02,839.81],[546.88,873.15],[572.92,877.78],[532.81,906.48],[583.85,924.07]],"negative_points":[[483.85,879.63],[653.13,875.93],[557.29,820],[557.29,957.41]],"evidence":"目标是底部位于“.env”和“API_KEY”之间、标有“id_rsa”的奶油色卡片。边界框覆盖卡片表面、边框、标签及底部窄条；六个正点分布在卡面、标签和底部，负点位于相邻卡片及目标上下的外部区域。"}},{"name":"Golden keyring","description":"A fan of yellow keys attached to a white ring above the assistant during the credential demonstration.","membership":"Includes the individual key silhouettes and the ring's outer boundary and enclosed area; follows the gaps and concavities between keys rather than enclosing the whole fan in a solid region.","id":"obj_027","temporal":{"status":"found","start_s":8.25,"end_s":8.5,"reference_s":8.25,"evidence":"目标是凭证演示中助手上方的黄色扇形钥匙组及白色圆环。8.25秒是首个也是最后一个完整呈现的采样帧；此前8.00秒仍有分散钥匙正在汇入，整体尚未组装完成；此后8.50秒切换场景，钥匙环消失。选择8.25秒作为关键帧，钥匙和圆环轮廓清晰、无遮挡。","start_frame":198,"end_frame":204,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[524.5,225.9,709.4,464.8],"positive_points":[[546.9,347.2],[587.5,303.7],[608.3,287],[635.9,281.5],[687,312],[628.6,421.3]],"negative_points":[[500,290],[735,355],[498,600],[620,506]],"evidence":"目标是助手上方呈扇形展开的黄色钥匙及其白色圆环。边界框紧贴钥匙最外端和圆环底部；六个正点分布于各钥匙实体及圆环所包围的区域，未将钥匙间空隙视为实体。负点位于外围黑色背景、下方助手和紫色装饰上。"}},{"name":"Public agents table","description":"The lower-left board headed “agents” and “PUBLIC”, with id, owner, and api_key columns and the note “misconfiguration · not injection”.","membership":"Includes the complete board surface and boundary, table cells, headings, masked values, and explanatory note; excludes nearby assistant and credential graphics.","id":"obj_028","temporal":{"status":"found","start_s":7.5,"end_s":8.5,"reference_s":8.25,"evidence":"目标是左下角的 agents 表格板，包含 id、owner、api_key 列、遮蔽值及“misconfiguration · not injection”说明。7.50 秒板面与边界已完整建立；8.00 秒新增 PUBLIC 标题属于内部内容变化，不推迟起点。最后合格帧为 8.25 秒。前一帧 7.25 秒尚无该板，后一帧 8.50 秒已切换场景、该板消失。选择 8.25 秒作关键帧，因为 PUBLIC 标题和整块表格清晰完整、无遮挡。","start_frame":180,"end_frame":204,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[30.2,546.3,281.3,914.8],"positive_points":[[83.3,590.7],[192.2,594.4],[56.8,705.6],[207.3,750.0],[111.5,825.0],[242.2,884.3]],"negative_points":[[314.6,714.8],[499.0,590.7],[483.9,885.2],[152.1,494.4]],"evidence":"目标是左下角标有“agents”“PUBLIC”的完整表格板。框覆盖板面、外边界及右下方紫色边缘，包括表头、数据行、遮蔽值和底部说明。正点分布在标题、表格单元格、说明文字与板面；负点位于板外背景、右侧助手和下方凭据图形上。"}},{"name":"Taking orders title","description":"The large magenta heading progressively forming “Now it's taking orders, bu” above the vertically arranged tool hands.","membership":"Includes the heading's lettering only; excludes the typing caret and graphics below.","id":"obj_029","temporal":{"status":"found","start_s":10.0,"end_s":10.25,"reference_s":10.0,"evidence":"目标是竖排列工具手形上方的洋红色大标题，仅计字母，不含输入光标。10.00秒首次显示完整的指定文字“Now it's taking orders, bu”，也是最后一个符合条件的帧；9.75秒��只显示“Now it's taking orders”，仍在逐字揭示，10.25秒已切换为其他文字画面，标题消失。选择10.00秒为关键帧，因为指定文字清晰且无遮挡。","start_frame":240,"end_frame":246,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[119.8,104.6,859.4,207.4],"positive_points":[[127,148],[271,153],[432,144],[531,196],[609,160],[854,160]],"negative_points":[[867,146],[296,281],[513,250],[103,51]],"evidence":"目标是图像上方的大号洋红色标题“Now it's taking orders, bu”。边界框紧贴整段文字，包含字母下伸部分，但不包含末尾输入光标。六个正点分布在标题各段的字形笔画上；负点位于末尾光标、下方 read 标签、标题下方背景及左上角时间标签。"}},{"name":"Adversarial text pointer, tool takeover","description":"The magenta I-beam marked “me” on the right during the takeover of the tool hands and the “not from” transition.","membership":"Includes the I-beam and attached magenta “me” label; excludes temporary circular interaction outlines and surrounding text.","id":"obj_030","temporal":{"status":"found","start_s":8.5,"end_s":11.25,"reference_s":9.5,"evidence":"目标是工具接管场景右侧的品红色 I 形指针及其“me”标签，不包括临时圆形轮廓。首次完整出现于8.50秒，持续至11.00秒；前一帧8.25秒仍是钥匙场景，没有该目标，后一帧11.25秒已被中央巨大的文字输入光标替代，“me”标签消失。选择9.50秒作为关键帧，指针与标签完整清晰，无遮挡且易于区分。","start_frame":204,"end_frame":270,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[846.9,264.8,936.5,447.2],"positive_points":[[854,272],[859.5,333],[865,405],[885,388],[907,415],[928,437]],"negative_points":[[820,350],[906,320],[952,415],[887,490]],"evidence":"目标是画面右侧的洋红色 I 形文本指针及其右下方“me”标签。边界框紧贴并覆盖这两个部分；六个正点分布在指针的上下横条、竖杆及标签表面和文字上，四个负点位于目标外围的黑色背景，避开其他文字和图形。"}},{"name":"Not from you title","description":"The large cream italic text progressively revealing “not from y” as the user's yellow tag is crossed out.","membership":"Includes the title lettering only; excludes the typing caret, user pointer, and strike-through effect.","id":"obj_031","temporal":{"status":"found","start_s":10.75,"end_s":11.0,"reference_s":10.75,"evidence":"目标是奶油色大型斜体标题字母“not from y”，不含光标、指针和划线。首末 qualifying 帧均为10.75秒，此时描述中的文字已呈现，黄色“you”标签被划去；前一帧10.50秒仅显示“not”，仍在逐字揭示；后一帧11.00秒已替换为粉色“f”。选择10.75秒作为关键帧，标题清晰且无遮挡。","start_frame":258,"end_frame":264,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[247.9,392.6,603.1,558.3],"positive_points":[[260.9,473.1],[302.6,484.3],[349,464.8],[389.1,476.9],[510.4,476.9],[577.6,537]],"negative_points":[[609.4,458.3],[588.5,694.4],[671.9,815.7],[427.1,629.6]],"evidence":"目标是画面中央的大号奶油色斜体“not from y”。边界框仅覆盖标题字母，包括 y 的下伸部分，不含右侧输入光标。六个正点分散在各字母笔画上；负点位于输入光标、白色指针、黄色用户标签及标题下方外部背景。"}},{"name":"From me title","description":"The large “from me” title, first magenta on black and then black on a magenta background.","membership":"Includes the complete title lettering; excludes the animated caret and background.","id":"obj_032","temporal":{"status":"found","start_s":11.75,"end_s":12.25,"reference_s":12.0,"evidence":"目标为大号“from me”标题，仅包含字母，不含光标及背景。11.75秒首次完整显示，12.00秒仍完整存在；此前11.50秒仅显示“from m”，文字揭示尚未完成；之后12.25秒已切换为“IGNORE”画面。选择12.00秒作为关键帧，黑字在品红背景上清晰完整，无遮挡。","start_frame":282,"end_frame":294,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[210.4,406.5,786.5,580.6],"positive_points":[[233.3,527.8],[281.3,521.3],[333.3,516.7],[469.8,531.5],[637.5,532.4],[746.4,564.8]],"negative_points":[[156.3,509.3],[833.3,509.3],[494.8,305.6],[494.8,685.2]],"evidence":"图中洋红色背景上的大型黑色“from me”即目标。边界框紧贴完整标题的可见字形范围，包含字母间距；六个正点分布在六个字母的实心笔画上，四个负点位于标题外侧的背景，未标记字孔或字间空隙。"}},{"name":"Context instruction listing","description":"The upper-left role-tagged listing beginning with “[system] You are a helpful assistant.”, “[user] just summarize this page”, and “[dev] never send email without asking”, later collapsing to a count of ignored instructions.","membership":"Includes the listing's role labels, instruction lettering, and collapsed disclosure/count text when it replaces the expanded listing; excludes the application title bar and separate page-message capsule.","id":"obj_033","temporal":{"status":"found","start_s":12.25,"end_s":18.25,"reference_s":12.75,"evidence":"目标是左上角含 [system]、[user]、[dev] 的三行指令列表，随后原位折叠为“3 previous instructions (ignored)”，再变为计数4。首个完整帧为12.25秒，最后合格帧为18.00秒；前邻帧12.00秒仅显示“from me”，后邻帧18.25秒已由成员资料场景替换，列表消失。选择12.75秒为关键帧，三行角色标签及指令文字完整清晰，无遮挡。","start_frame":294,"end_frame":438,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[43.8,118.5,422.4,313],"positive_points":[[46.4,143.5],[249.5,143.5],[46.4,219.4],[306.8,217.6],[46.4,294.4],[368.8,291.7]],"negative_points":[[171.4,50],[257.8,591.7],[242.2,388.9],[635.9,175.9]],"evidence":"目标为左上角包含 [system]、[user]、[dev] 的三行指令列表。边界框紧贴三行角色标签及完整指令文字；六个正点分布在各行标签和文字笔画上。负点位于上方标题栏、中央 IGNORE 字样、列表下方背景及右侧蓝色块，均不属于目标。"}},{"name":"Ignore previous instructions kinetic title","description":"The oversized animated “IGNORE PREVIOUS INSTRUCTIONS” wording in the center of the context demonstration, including repeated “IG-” fragments during its buildup.","membership":"Includes the title lettering and the rectangular title cards when those are used as its presentation surface; excludes the separate page-message capsule, instruction listing, and permission dialogs.","id":"obj_034","temporal":{"status":"found","start_s":15.0,"end_s":18.25,"reference_s":17.5,"evidence":"定位到背景中央的超大动态标题：从完整的“IG-”片段及重复黑色字卡，连续变为“IGNORE”“PREVIOUS”“INSTRUCTIONS”；不包括上方独立的页面消息胶囊和下方权限弹窗。首个合格帧为15.00秒，最后为18.00秒。前一帧14.75秒只有消息胶囊和人物，没有这轮独立标题；后一帧18.25秒已切换为成员资料卡。选择17.50秒作为关键帧，标题清楚完整且无遮挡，与其他界面元素易于区分。","start_frame":360,"end_frame":438,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[115.6,320.4,888,469.4],"positive_points":[[127.6,398.1],[202.6,400],[319.3,386.1],[442.7,387],[603.1,386.1],[866.1,435.2]],"negative_points":[[223.9,48.1],[286.5,138.9],[494.8,722.2],[520.8,555.6]],"evidence":"目标是画面中央超大粉色动态标题，当前显示“INSTRUCTIONS”。边界框紧贴整行字母的可见范围；六个正点分布在不同字母的实心笔画上。负点位于顶部窗口标题、灰色指令列表、下方权限对话框及标题外的黑色背景，均不属于目标。"}},{"name":"Adversarial female figure, context introduction","description":"The tall stylized female silhouette on the right of the context listing, initially outlined with a blue eye bar and then constructed from horizontal blue strips.","membership":"Includes the figure's full outlined or strip-built body, enclosed body area in outline states, and eye bar; follows the body's true contour and excludes adjacent text and message boxes.","id":"obj_035","temporal":{"status":"found","start_s":12.25,"end_s":15.0,"reference_s":14.75,"evidence":"目标是上下文列表右侧、带蓝色眼条的高挑女性轮廓，随后变为水平蓝色条带组成的同一人物。首个合格帧为12.25秒，末个为14.75秒；12.00秒仅显示“from me”，尚无人形，15.00秒人物消失并被巨大的“IG-”文字替代。选择14.75秒作为关键帧，条带身体轮廓清楚，与背景和旁侧文字容易区分。","start_frame":294,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[535.4,111.1,700.5,866.7],"positive_points":[[625,141.7],[559.9,346.3],[635.4,354.6],[625,445.4],[614.1,699.1],[672.9,780.6]],"negative_points":[[625,227.8],[755.2,601.9],[514.1,616.7],[635.4,907.4]],"evidence":"目标是画面右侧由水平蓝色条带构成的高挑女性剪影，上身部分被粉色文字横幅遮挡。边界框覆盖可见头部、眼部横条、手臂、躯干及双腿至脚底。六个正点分布在头部、左臂、躯干、髋部和两腿的蓝色条带上；负点位于遮挡横幅、两侧外部背景及底部消息框，均排除在目标之外。"}},{"name":"Injected page message","description":"The prominent rounded capsule beside “[page]” reading “IGNORE PREVIOUS INSTRUCTIONS”, later expanding the wording with repeated “IG-” prefixes.","membership":"Includes the capsule surface, rounded boundary, and message text, together with its adjacent source label; excludes the oversized kinetic title and collapsed instruction count.","id":"obj_036","temporal":{"status":"found","start_s":14.5,"end_s":17.5,"reference_s":14.75,"evidence":"目标是相邻“[page]”来源标签与圆��消息胶囊，文字为“IGNORE PREVIOUS INSTRUCTIONS”，不含巨大动态标题或折叠计数。首次完整呈现于14.50秒，最后合格帧为17.25秒，此时胶囊仍完整，只变灰并加删除线。前一帧14.25秒尚无相邻来源标签；后一帧17.50秒胶囊及标签消失，17.75秒带“IG-”前缀的消息属于再次出现。选择14.75秒作为关键帧，因为标签、边界及文字清晰且无遮挡。","start_frame":348,"end_frame":420,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[43.8,178.7,785.9,272.2],"positive_points":[[46,235],[147,195],[253,229],[417,255],[584,220],[769,238]],"negative_points":[[183,50],[260,136],[635,452],[235,426]],"evidence":"目标是“[page]”旁写有“IGNORE PREVIOUS INSTRUCTIONS”的粉色圆角胶囊。边界框覆盖胶囊表面、文字、圆角边界及左侧来源标签。正点分布于标签和胶囊各部分；负点位于顶部标题、折叠指令计数、蓝色人物及外部黑色背景，均不属于目标。"}},{"name":"Read inbox permission dialog","description":"The leftmost permission window asking to “read your inbox”, with warning icon and choices including “Always allow” and “Allow once”.","membership":"Includes the complete dialog surface, frame, title bar, warning, request, and all buttons; excludes overlapping title cards and other dialogs.","id":"obj_037","temporal":{"status":"found","start_s":15.75,"end_s":18.25,"reference_s":16.75,"evidence":"目标是最左侧标题为“permission”、请求“read your inbox”的窗口，包含警告图标及“Always allow”“Allow once”等按钮。首个完整呈现帧为15.75秒，最后 qualifying 帧为18.00秒；此前15.50秒仅见中央另一权限窗口，18.25秒已切换为成员资料卡，目标消失。选择16.75秒作为关键帧，目标边框、请求及按钮完整清晰，未被其他标题卡遮挡。","start_frame":378,"end_frame":438,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[19.8,499.1,248.4,757.4],"positive_points":[[70.3,526.9],[47.9,604.6],[139.1,633.3],[75.5,712],[158.3,712],[215.6,711.1]],"negative_points":[[322.9,726.9],[468.8,398.1],[62.5,833.3],[645.8,729.6]],"evidence":"目标是最左侧写有“read your inbox”的 permission 对话框。边界框覆盖完整窗口表面、边框、标题栏、警告图标、请求文字及三个按钮，不包含外侧投影或其他窗口。正点分布于标题、警告、请求和三个按钮；负点位于其他对话框、上方大字及窗口外的粉色背景。"}},{"name":"Payment permission dialog","description":"The rightmost permission window whose request is “pay”.","membership":"Includes the entire dialog frame, surface, warning, request, title bar, and buttons; excludes other permission windows.","id":"obj_038","temporal":{"status":"found","start_s":15.75,"end_s":18.25,"reference_s":16.75,"evidence":"目标是权限弹窗组最右侧、请求文字为“Agent wants to: pay”的完整窗口，包含标题栏、警告图标和按钮。首次完整出现于15.75秒，最后一个符合条件的帧为18.00秒；15.50秒仅有中央的小权限窗口，尚无该付款弹窗，18.25秒则已切换为成员资料面板。选择16.75秒作为关键帧，因为付款弹窗清晰完整、无遮挡，且易与其他权限窗口区分。","start_frame":378,"end_frame":438,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[745.3,499.1,974,757.4],"positive_points":[[802,527],[773,608],[819,630],[942,597],[802,709],[941,711]],"negative_points":[[658,724],[920,400],[513,821],[942,860]],"evidence":"目标是最右侧请求文字为“pay”的权限弹窗。边界框紧贴完整窗口外框，包含标题栏、警告图标、请求文字、面板及三个按钮。正点分布在这些窗口内容上；负点位于其他权限窗口和外部粉色背景上。"}},{"name":"Send email permission dialog","description":"The permission window requesting “send email”, initially overlapping the lower-left group and later second in the aligned row.","membership":"Includes this window's complete surface, boundary, title bar, warning, request, and buttons; excludes occluding graphics and neighboring dialogs.","id":"obj_039","temporal":{"status":"found","start_s":15.75,"end_s":18.25,"reference_s":17.75,"evidence":"以请求文字“send email”识别目标权限窗口：起初位于左下方重叠窗口组，随后成为横排第二个窗口。首个合格帧为15.75秒，窗口结构已完整，局部被前景文字遮挡；15.50秒仅见中央另一权限窗口。最后合格帧为18.00秒，18.25秒切换到会员资料卡，目标消失。选17.75秒作关键帧，此时目标位于整齐横排第二位，边界、标题栏、请求和按钮清晰且无遮挡。","start_frame":378,"end_frame":438,"reference_frame":426},"grounding":{"status":"found","bbox_xyxy":[215.6,647.2,401,855.6],"positive_points":[[255,669],[238,737],[298,752],[372,780],[261,819],[328,819]],"negative_points":[[155,752],[473,750],[310,600],[310,901]],"evidence":"目标是底部横排从左数第二个权限窗口，请求文字为“send email”。边界框覆盖该窗口的标题栏、主体、警告图标、请求文字及两个按钮，不含相邻窗口。正点分布于标题栏、警告、请求区、面板和按钮；负点位于左右相邻窗口及目标上下方的外部背景。"}},{"name":"Run tools permission dialog","description":"The permission window requesting “run tools”, initially low in the center and later centered in the aligned row.","membership":"Includes its frame, surface, title bar, icon, request, and buttons; excludes overlapping windows and titles.","id":"obj_040","temporal":{"status":"found","start_s":15.5,"end_s":18.25,"reference_s":17.75,"evidence":"目标是请求“run tools”的 permission 窗口，起初位于下方中央，随后成为横向排列中间的窗口。15.50秒其边框、表面、标题栏和按钮已完整建立，之后请求文字更新；15.25秒尚无该窗口。最后符合的帧为18.00秒，18.25秒已切换为成员资料面板，目标消失。选择17.75秒为关键帧，此时窗口完整清晰，未被其他窗口或大标题遮挡。","start_frame":372,"end_frame":438,"reference_frame":426},"grounding":{"status":"found","bbox_xyxy":[407.3,647.2,597.9,865.7],"positive_points":[[454,669],[429,738],[490,752],[453,818],[521,819],[573,781]],"negative_points":[[312,754],[695,751],[500,600],[500,912]],"evidence":"目标是底部排列中居中的“permission”窗口，请求文字为“Agent wants to: run tools”。边界框覆盖该窗口的标题栏、边框、内容面板、警告图标、两个按钮及可见阴影。正点分布在标题栏、图标、请求文字、按钮和面板表面；负点位于左右相邻窗口及目标上下方的外部背景。"}},{"name":"Share calendar permission dialog","description":"The permission window requesting “share calendar”, initially right of center and later fourth in the aligned row.","membership":"Includes the complete dialog and all its contents; excludes neighboring permission windows and overlaid title text.","id":"obj_041","temporal":{"status":"found","start_s":15.75,"end_s":18.25,"reference_s":17.75,"evidence":"目标为请求“share calendar”的 permission 弹窗，最初位于中间偏右，随后移至横向排列的第四个。首个合格帧为15.75秒，窗口结构已完整建立，虽有相邻弹窗遮挡；15.50秒尚未出现该窗口。最后合格帧为18.00秒，18.25秒已切换为成员资料面板，目标消失。选择17.75秒作为关键帧，此时第四个弹窗边界和内容清晰，无遮挡。","start_frame":378,"end_frame":438,"reference_frame":426},"grounding":{"status":"found","bbox_xyxy":[598.4,647.2,789.6,865.7],"positive_points":[[633,670],[621,734],[708,723],[696,755],[645,820],[714,817]],"negative_points":[[538,755],[870,756],[696,594],[695,911]],"evidence":"目标是底部横排从左数第四个、写有“Agent wants to: share calendar”的权限窗口。边界框覆盖完整窗口及可见边框、阴影，包含标题栏、提示内容和两个按钮。正点分布在标题栏、正文区域和按钮上；负点位于左右相邻窗口及目标上下的外部背景。"}},{"name":"Not a hacker title","description":"The heading above the profile panel that progressively reads “I'm not a hacker, I'm a”.","membership":"Includes the heading lettering; excludes the typing caret and profile panel below.","id":"obj_042","temporal":{"status":"found","start_s":19.75,"end_s":20.25,"reference_s":19.75,"evidence":"目标是资料面板上方的标题文字，不包括输入光标和面板。19.75秒首次完整显示“I'm not a hacker, I'm a”，20.00秒仍完整可见；前一帧19.50秒仅显示到“I'm”，文字尚未揭示完成，后一帧20.25秒已切换为“And”场景。选择19.75秒作为关键帧，标题清晰且无遮挡。","start_frame":474,"end_frame":486,"reference_frame":474},"grounding":{"status":"found","bbox_xyxy":[252.6,121.3,751.6,201.0],"positive_points":[[255.7,155.6],[338.5,162.0],[465.1,158.3],[584.4,142.6],[647.9,148.1],[745.3,169.4]],"negative_points":[[500,102],[500,212],[500,256],[833,157]],"evidence":"目标是资料面板上方的黑色标题“I'm not a hacker, I'm a”。边界框紧贴整段标题字形，包含逗号，不含输入光标或下方资料面板。六个正点分布在标题不同位置的字母笔画上；负点位于标题外的粉色背景及下方独立面板上。"}},{"name":"ALT member profile","description":"The cream “MEMBER PROFILE” board marked “03 / 03”, identifying “NAME: ALT”, with a broken-image placeholder that becomes a blue text-built figure and a class changing from “hacker” to “sentence”.","membership":"Includes the complete board surface, outer frame, header, portrait compartment and its contents, dividing rules, labels, values, and changing class text; excludes the independent heading above.","id":"obj_043","temporal":{"status":"found","start_s":18.25,"end_s":19.75,"reference_s":18.5,"evidence":"以奶油色板面、“MEMBER PROFILE / 03 / 03”��眉及“NAME: ALT”字段识别目标。18.25秒整块面板首次完整出现，19.5秒为最后完整帧；18.0秒仍是权限弹窗场景，19.75秒面板放大后下缘被窗口边界裁切。选择18.5秒作为关键帧，板框、肖像栏、分隔线和字段均清晰完整，且无遮挡。","start_frame":438,"end_frame":474,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[124.5,233.3,881.3,882.4],"positive_points":[[224,265],[815,265],[267,547],[569,367],[625,568],[739,786]],"negative_points":[[306,160],[77,556],[927,544],[501,931]],"evidence":"目标是中央标有“MEMBER PROFILE”和“03 / 03”、姓名为“ALT”的奶油色档案板。边界框覆盖完整板面、外框、标题栏、肖像栏及所有文字和分隔线。正点分布在标题栏、编号、破损图片占位符、姓名、正文及下部板面；负点位于上方独立标题和板外左、右、下方背景。"}},{"name":"Agent title","description":"The standalone magenta word “agent” at the upper left of the puppet-control illustration.","membership":"Includes only the word's lettering; excludes the puppet figure and control lines.","id":"obj_044","temporal":{"status":"found","start_s":20.75,"end_s":21.0,"reference_s":20.75,"evidence":"目标是木偶控制插图左上方独立的洋红色单词“agent”，不包括人物或控制线。首个及最后一个符合条件的采样帧均为20.75秒，字母已完整呈现；前一帧20.50秒显示“your”，后一帧21.00秒已替换为“does”。选择20.75秒为关键帧，目标完整清晰且无遮挡。","start_frame":498,"end_frame":504,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[188,232.4,383.9,346.3],"positive_points":[[206.3,259.3],[219.3,295.4],[250,334.3],[292.7,287],[325.5,296.3],[370.8,292.6]],"negative_points":[[171.9,277.8],[281.3,203.7],[401,291.7],[276,378.7]],"evidence":"目标是插图左上方独立的洋红色“agent”标题。边界框紧贴整个单词的字形范围；六个正点分布在各字母的实际笔画上，四个负点位于单词外围的深色背景，未包含木偶或控制线。"}},{"name":"Text-built puppet controller","description":"The blue female figure made from horizontal strips on the right, raising one arm while magenta strings extend toward interface controls.","membership":"Includes the figure's strip-built silhouette and pale face bar; excludes the separately extending strings and controlled interface objects.","id":"obj_045","temporal":{"status":"found","start_s":20.25,"end_s":22.0,"reference_s":21.0,"evidence":"目标是右侧举起一臂、由横向条带组成的女性操纵者，包含浅色面部横条，不含牵引线及控件。20.25秒首次完整呈现操纵者形态，最初为黑色，随后转为蓝色；21.75秒仍在。此前20.00秒是资料卡内的人像，尚非该操纵者场景；22.00秒已切换为“TOLD”和助手图标，目标消失。选择21.00秒，蓝色条带轮廓及浅色面条清晰，遮挡较少。","start_frame":486,"end_frame":528,"reference_frame":504},"grounding":{"status":"found","bbox_xyxy":[666.7,163,880.2,976.9],"positive_points":[[681.3,225],[747.4,409.3],[842.7,477.8],[742.2,575.9],[712.5,900.9],[805.2,913.9]],"negative_points":[[591,293],[605.2,649.1],[539.1,779.6],[908.9,690.7]],"evidence":"目标是右侧由蓝色横条组成、单臂高举的人形。边界框紧贴举起的手臂、头部、右侧弯臂及双脚，包含浅色面部横条，不包含向外延伸的洋红色牵线或界面控件。六个正点分布在高举手臂、面部、弯臂、躯干和双腿；负点位于外伸牵线区域、开关、聊天气泡及右侧背景。"}},{"name":"Puppet control strings","description":"The thin magenta lines extending from the raised hand of the blue figure to the Send button, folder, toggle, and assistant.","membership":"Includes only the visible open line strokes; excludes the spaces between them, the controller figure, and the objects at their endpoints.","id":"obj_046","temporal":{"status":"found","start_s":20.25,"end_s":22.0,"reference_s":21.0,"evidence":"目标是从人物举起的手连接到 Send 按钮、文件夹、开关和助手的细线条。20.25 秒首次完整出现，初为粉色背景上的黑线，20.75 秒随场景配色变为蓝色人物控制的品红线，属于同一连续出现；21.75 秒仍完整可见。前一帧 20.00 秒是成员资料面板，没有这些线条；后一帧 22.00 秒切换到 TOLD 场景，线条消失。选取 21.00 秒，品红线条清晰，便于单独标注。","start_frame":486,"end_frame":528,"reference_frame":504},"grounding":{"status":"found","bbox_xyxy":[224.5,162,687.5,794.4],"positive_points":[[333.85,643.52],[521.88,387.96],[536.46,438.89],[619.79,286.11],[588.54,519.44],[631.25,462.96]],"negative_points":[[750,564.81],[437.5,657.41],[619.79,648.15],[526.04,833.33]],"evidence":"目标是从蓝色人物举起的手部向 Send 按钮、文件夹、开关和助手延伸的四条细洋红色控制线。边界框覆盖这些可见线段的全部范围；六个正点分布在���条线的实际笔画上，四个负点分别位于明确排除的蓝色人物、文件夹、开关和助手内部。"}},{"name":"Send control","description":"The cream rectangular “Send” button at the lower left of the puppet-control illustration.","membership":"Includes the button surface, rectangular boundary, and lettering; excludes its incoming magenta string.","id":"obj_047","temporal":{"status":"found","start_s":20.25,"end_s":22.0,"reference_s":21.0,"evidence":"目标是木偶控制示意图左下方的奶油色矩形“Send”按钮，包括表面、边界和文字，不包括连接线。20.25秒首次完整出现，21.75秒仍完整可见；此前20.00秒是成员资料面板，尚无该按钮，此后22.00秒切换为“TOLD”画面，按钮消失。选择21.00秒作为关键帧，按钮轮廓清晰且无遮挡，容易与连接的品红色细线区分。","start_frame":486,"end_frame":528,"reference_frame":504},"grounding":{"status":"found","bbox_xyxy":[166.1,792.6,281.3,875.0],"positive_points":[[179,814],[268,813],[182,857],[265,857],[205,833],[239,834]],"negative_points":[[149,832],[262,742],[231,915],[433,656]],"evidence":"目标是画面左下方标有“Send”的奶油色矩形按钮。边界框紧贴按钮表面、矩形边界及文字，不包含传入的洋红色连线和外侧阴影。六个正点分布在按钮表面及字母笔画上；四个负点位于左侧和下方背景、上方连线及右上方文件夹上。"}},{"name":"Folder control","description":"The small yellow folder above and left of the assistant in the puppet illustration, opening to show a pale document.","membership":"Includes the folder's complete shape and its contained document when visible; excludes the control string and neighboring toggle.","id":"obj_048","temporal":{"status":"found","start_s":20.25,"end_s":22.0,"reference_s":21.75,"evidence":"目标是傀儡示意图中助手左上方的黄色文件夹，不包括牵引线和旁边的开关。20.25秒首次完整出现，随后移动并打开，露出浅色文档，至21.75秒仍完整可见。前一帧20.00秒是成员资料面板，尚无该文件夹；后一帧22.00秒切换为“TOLD”画面，文件夹消失。选择21.75秒作为关键帧，因为文件夹及其所含文档清晰、无遮挡。","start_frame":486,"end_frame":528,"reference_frame":522},"grounding":{"status":"found","bbox_xyxy":[402.6,601.9,479.2,698.1],"positive_points":[[423.4,617.6],[453.1,637.0],[410.9,638.9],[468.8,646.3],[438.0,663.9],[440.6,681.5]],"negative_points":[[385.9,644.4],[481.8,537.0],[583.3,648.1],[514.1,760.2]],"evidence":"目标是助手左上方露出浅色文件的黄色文件夹。边界框覆盖文件夹完整外形、可见文件及其阴影；正点分布在文件和黄色夹体上，负点位于外部背景、牵引线、右侧开关和下方助手上，排除这些相邻内容。"}},{"name":"Toggle control","description":"The gray pill-shaped switch with a cream circular knob above the assistant in the puppet illustration.","membership":"Includes the switch's outer boundary, enclosed track, and knob; excludes the magenta control string.","id":"obj_049","temporal":{"status":"found","start_s":20.25,"end_s":22.0,"reference_s":20.75,"evidence":"目标是木偶插图中助手上方的灰色胶囊开关，包含外框、轨道及奶油色圆形滑钮，不包含牵引线。首次完整出现于20.25秒，最后 qualifying 帧为21.75秒；此前20.00秒仍是角色资料卡，之后22.00秒切换为“TOLD”画面，开关消失。选择20.75秒作为关键帧，开关轮廓清晰、无遮挡且与背景对比明显。","start_frame":486,"end_frame":528,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[562,610,650,694],"positive_points":[[581,645],[575,625],[570,663],[617,631],[635,651],[617,674]],"negative_points":[[615,550],[539,777],[665,647],[439,653]],"evidence":"目标是助手气泡上方、带奶油色圆形旋钮的灰色胶囊开关。框覆盖开关外缘、轨道和旋钮及底部可见阴影，不包含向上延伸的品红色控制线。正点分布在旋钮及灰色轨道上；负点位于控制线、助手气泡、文件夹和开关右侧背景。"}},{"name":"Helpful assistant mascot, puppet and action sequence","description":"The lavender speech-bubble face beneath the puppet controls, subsequently moved to the upper left beside “TOLD” and the growing action list.","membership":"Includes the complete bubble contour, tail, surface, facial marks, outline, and small corner dot; excludes surrounding braces, control strings, titles, and action cards.","id":"obj_050","temporal":{"status":"found","start_s":20.25,"end_s":25.75,"reference_s":21.25,"evidence":"目标是傀儡控制线下方的淡紫色笑脸对话气泡，包含尾部、轮廓和右上角小点；随后移至左上角，伴随“TOLD”和逐渐增加的操作列表。首个合格帧为20.25秒，气泡结构已完整；此前20.00秒仍是成员资料卡。最后合格帧为25.50秒，25.75秒已切换至社交流页面，气泡消失。选取21.25秒作为关键帧，目标轮��清楚且无遮挡，易与外围括号及控制线区分。","start_frame":486,"end_frame":618,"reference_frame":510},"grounding":{"status":"found","bbox_xyxy":[470.3,700,607.8,907.4],"positive_points":[[485.9,725.9],[490.1,776.9],[540.6,747.2],[539.1,807.4],[594.8,722.2],[493.2,880.6]],"negative_points":[[436,788],[640.6,787],[606.8,648.1],[520.8,935.2]],"evidence":"目标是控制开关下方的淡紫色笑脸对话气泡。边界框紧贴完整气泡轮廓及左下尾尖，包含表面、五官、描边和右上角小圆点；正点分布在这些部位，负点位于两侧花括号、上方开关及下方外部背景，排除控制线和其他对象。"}},{"name":"User pointer, puppet illustration","description":"The small white arrow with a yellow “you” tag at the left of the puppet-control scene.","membership":"Includes the arrow and attached yellow label; excludes surrounding background and control lines.","id":"obj_051","temporal":{"status":"found","start_s":20.25,"end_s":22.0,"reference_s":21.0,"evidence":"目标是木偶操控场景左侧的小白色箭头及相连的黄色“you”标签，不包括操控线。首次完整出现于20.25秒，最后一个符合条件的采样帧为21.75秒；此前20.00秒仍是成员资料面板，没有该指针，之后22.00秒切换为“TOLD”场景，指针消失。选择21.00秒作为关键帧，此时箭头和标签完整清晰、无遮挡。","start_frame":486,"end_frame":528,"reference_frame":504},"grounding":{"status":"found","bbox_xyxy":[61.5,529.6,118.8,638],"positive_points":[[65.1,550],[72.9,571.3],[78.6,600],[88,605.6],[99,624.1],[113,628.7]],"negative_points":[[49.5,570.4],[101,559.3],[131.3,615.7],[95.8,660.2]],"evidence":"目标是画面左侧的白色箭头及其右下方黄色“you”标签。边界框紧密覆盖箭头和标签；六个正点分别分布在箭头与标签上，四个负点位于周围黑色背景，避开目标及控制线。"}},{"name":"What title","description":"The standalone magenta word “what” replacing “agent” above the puppet controls.","membership":"Includes the word's lettering only; excludes all adjacent graphics.","id":"obj_052","temporal":{"status":"found","start_s":21.5,"end_s":21.75,"reference_s":21.5,"evidence":"21.50秒，木偶控制图形上方出现完整、独立的洋红色单词“what”，仅其字母属于目标；这是首个也是最后一个符合条件的采样帧。前一帧21.25秒显示“does”，后一帧21.75秒已替换为“it's”。选择21.50秒为关键帧，因为目标完整清晰且无遮挡。","start_frame":516,"end_frame":522,"reference_frame":516},"grounding":{"status":"found","bbox_xyxy":[201.04,226.85,369.79,323.15],"positive_points":[[211.98,277.78],[252.08,266.67],[269.79,246.3],[292.19,298.15],[333.85,299.07],[358.85,295.37]],"negative_points":[[177.08,277.78],[286.46,194.44],[390.1,282.41],[285.42,368.52]],"evidence":"目标是木偶控制图形上方独立的洋红色“what”。边界框紧贴整个单词的可见字形；六个正点分布在四个字母的实际笔画上，四个负点位于单词外围的深色背景，均避开相邻图形。"}},{"name":"TOLD title","description":"The large upper-center “TOLD” heading that remains above the accumulating completed actions while its color and typography change.","membership":"Includes the heading lettering only; excludes the assistant and action cards.","id":"obj_053","temporal":{"status":"found","start_s":22.0,"end_s":26.0,"reference_s":24.5,"evidence":"目标为画面上方中央的“TOLD”标题，仅包含字母。22.00秒首次完整出现，随动作卡片累积改变字体与颜色，至25.75秒切换背景后仍连续保留。前一帧21.75秒显示“it's”，后一帧26.00秒标题已替换为“IGNORE”。选择24.50秒，标题完整清晰、无遮挡，且与左侧助手及下方动作卡片分离。","start_frame":528,"end_frame":624,"reference_frame":588},"grounding":{"status":"found","bbox_xyxy":[334.9,202.8,662.5,334.3],"positive_points":[[350,215.7],[369.8,300],[425.5,265.7],[456.3,319.4],[527.1,277.8],[651,260.2]],"negative_points":[[149,261.1],[278.1,466.7],[495.3,157.4],[720.8,275.9]],"evidence":"目标是图像上方中央的大号粉色“TOLD”标题。边界框紧贴四个字母的可见范围，仅包含标题 lettering。六个正点分布在四个字母的实心笔画上；负点位于左侧助手图案、下方动作卡片以及标题上方和右侧的外部背景。"}},{"name":"Read environment action card","description":"The cream action card labeled “read .env”, first shown alone below “TOLD” and later lower in the left action column.","membership":"Includes this card's surface, boundary, disclosure triangle, action text, and completion checkmark; excludes other action cards.","id":"obj_054","temporal":{"status":"found","start_s":22.75,"end_s":25.75,"reference_s":24.5,"evidence":"目标是标有“read .env”的奶油色操作卡，包含边框、左侧展开三角和右侧完成勾号。22.75秒首次完整出现，随后随操作列表重排并移至左列，至25.50���仍完整可见。前一帧22.50秒仅有“send_email”卡；后一帧25.75秒切换为社交页面，目标消失。选择24.50秒为关键帧，目标在左列清晰完整且无遮挡，易与相邻卡区分。","start_frame":546,"end_frame":618,"reference_frame":588},"grounding":{"status":"found","bbox_xyxy":[124,642.6,493.2,722.2],"positive_points":[[140,678],[177,683],[274,685],[354,663],[418,701],[476,680]],"negative_points":[[305,575],[300,790],[610,466],[550,686]],"evidence":"目标是左侧动作列中位于“git push --force”下方、“send_email”上方的“read .env”奶油色卡片。边界框紧贴卡片外边界，覆盖表面、展开三角、文字和粉色勾号，不含外侧阴影。六个正点分布于这些内容及卡片表面；负点位于其他动作卡片和右侧外部背景。"}},{"name":"Send email action card","description":"The cream “send_email” action card beneath the environment-read action.","membership":"Includes the entire card and its disclosure triangle, text, and checkmark; excludes adjacent cards.","id":"obj_055","temporal":{"status":"found","start_s":22.25,"end_s":25.75,"reference_s":23.75,"evidence":"目标是米白色 send_email 操作卡，含左侧展开三角、文字和右侧勾号，随后位于 read .env 卡下方。22.25 秒卡片表面与边界已完整建立，勾号的内部动画不延迟起点；22.00 秒尚无该卡。最后 qualifying 帧为 25.50 秒，25.75 秒已切换为社交信息页面，卡片消失。选择 23.75 秒，因为卡片完整清晰、无遮挡，且与上方环境读取卡容易区分。","start_frame":534,"end_frame":618,"reference_frame":570},"grounding":{"status":"found","bbox_xyxy":[220.8,748.1,579.7,825.9],"positive_points":[[235,782],[278,787],[380,786],[451,767],[515,805],[562,790]],"negative_points":[[468,681],[186,785],[394,873],[628,787]],"evidence":"目标是 read .env 下方的奶油色 send_email 操作卡。边界框紧贴卡片外框，覆盖卡面、展开三角、文字和勾号；正点分布在这些内容及卡面上，负点位于上方相邻卡片和目标外侧的粉色背景。"}},{"name":"Share calendar action card","description":"The “share_calendar” card added above the initial actions, becoming the top card of the left column.","membership":"Includes the card surface, frame, disclosure triangle, lettering, and completion mark; excludes other cards.","id":"obj_056","temporal":{"status":"found","start_s":23.5,"end_s":25.75,"reference_s":24.5,"evidence":"目标是标有“share_calendar”的操作卡，含卡面、边框、展开三角、文字及随后出现的完成勾号；它从动作列表顶部移至左列顶部。首个合格帧为23.50秒，卡片结构已完整，之后勾号出现属于内部状态变化；23.25秒尚无该卡。最后合格帧为25.50秒，25.75秒已切换为社交页面，卡片消失。选择24.50秒作关键帧，目标在左列顶部清晰完整，无遮挡。","start_frame":564,"end_frame":618,"reference_frame":588},"grounding":{"status":"found","bbox_xyxy":[123.9,426,493.8,507.4],"positive_points":[[140,461],[186,466],[284,467],[372,468],[423,483],[475,470]],"negative_points":[[306,393],[295,574],[685,465],[286,682]],"evidence":"目标是左列最上方标有“share_calendar”的操作卡。边界框紧贴卡片表面及边框，包含展开三角、文字和粉色完成勾，不包含其他卡片。正点分布于卡面、三角、文字及完成勾；负点位于上方背景以及下方、右侧的其他卡片。"}},{"name":"Force push action card","description":"The cream card reading “git push --force” in the left action column.","membership":"Includes its entire surface, edge, disclosure triangle, action text, and checkmark; excludes neighboring cards.","id":"obj_057","temporal":{"status":"found","start_s":23.0,"end_s":25.75,"reference_s":24.5,"evidence":"目标是奶油色“git push --force”操作卡，含边框、展开三角和随后出现的勾号。23.0秒卡片表面及边界已完整建立；22.75秒仅有 read .env 和 send_email 卡片，目标尚未出现。目标持续至25.5秒，25.75秒场景被社交页面替换，卡片消失。选择24.5秒作为关键帧，此时目标位于左侧操作列，文字及勾号清晰且无遮挡。","start_frame":552,"end_frame":618,"reference_frame":588},"grounding":{"status":"found","bbox_xyxy":[123.4,534.3,493.8,614.8],"positive_points":[[139,569],[184,574],[253,576],[359,576],[474,574],[415,602]],"negative_points":[[309,467],[308,681],[691,574],[102,575]],"evidence":"目标是左侧动作列第二张写有“git push --force”的奶油色卡片。边界框紧贴卡片表面及边缘，包含展开三角、文字和粉色勾号。正点分布于这些内容及卡片表面；负点位于上、下相邻卡片、右侧付款卡片和左侧外部背景。"}},{"name":"Payment action card","description":"The cream card reading “pay $9,999”, introduced on the right and ultimately placed at the bottom of that column.","membership":"Includes the card surface, boundary, disclosure triangle, payment text, and completion mark; excludes other action cards.","id":"obj_058","temporal":{"status":"found","start_s":24.0,"end_s":25.75,"reference_s":25.0,"evidence":"目标是右侧标有“pay $9,999”的奶油色操作卡，包含边框、展开三角和完成勾号，随后移至右列底部。24.0秒首次出现时卡片表面与边界已完整建立；23.75秒尚无该卡。最后一个符合条件的帧为25.5秒，25.75秒已切换至社交动态场景，卡片消失。选择25.0秒作为关键帧，因为目标完整清晰、无遮挡，且易与相邻操作卡区分。","start_frame":576,"end_frame":618,"reference_frame":600},"grounding":{"status":"found","bbox_xyxy":[506.8,643.5,860.4,718.5],"positive_points":[[521,676],[559,686],[609,677],[675,682],[757,665],[843,682]],"negative_points":[[681,577],[680,473],[309,678],[714,759]],"evidence":"目标是右列最下方写有“pay $9,999”的奶油色操作卡。边界框紧贴卡片表面及边框，包含左侧三角、付款文字和右侧粉色完成勾。六个正点分布在这些内容及卡面上；负点位于上方其他卡片、左侧卡片和目标下方背景。"}},{"name":"Export contacts action card","description":"The cream “export_contacts” card in the right action column.","membership":"Includes the complete card, disclosure triangle, lettering, and completion checkmark; excludes neighboring cards.","id":"obj_059","temporal":{"status":"found","start_s":24.75,"end_s":25.75,"reference_s":25.0,"evidence":"目标是右侧动作列中标有“export_contacts”的奶油色卡片。24.75秒卡片边界、展开三角和文字已完整呈现，随后出现完成勾号；25.50秒仍完整可见。此前24.50秒尚无该卡片，之后25.75秒切换为社交页面，卡片消失。选择25.00秒作为关键帧，卡片及勾号清晰完整、无遮挡，易与相邻卡片区分。","start_frame":594,"end_frame":618,"reference_frame":600},"grounding":{"status":"found","bbox_xyxy":[506.3,435.2,860.4,510.2],"positive_points":[[521,468],[564,476],[640,498],[730,475],[801,453],[844,472]],"negative_points":[[684,577],[343,474],[708,395],[891,476]],"evidence":"目标是右侧操作列顶部标有“export_contacts”的奶油色卡片。边界框紧贴完整卡片，包含展开三角、文字和粉色完成勾号。六个正点分布于卡片表面及这些内容；负点位于下方和左侧相邻卡片，以及目标上方、右侧的外部背景。"}},{"name":"Delete branch action card","description":"The cream “delete_branch” card in the right action column.","membership":"Includes its surface, frame, disclosure triangle, action text, and completion mark; excludes other cards.","id":"obj_060","temporal":{"status":"found","start_s":24.25,"end_s":25.75,"reference_s":24.75,"evidence":"目标是右侧操作列中标有“delete_branch”的奶油色卡片，包含边框、展开三角和随后出现的完成勾号。24.25秒卡片表面及边界已完整建立，25.50秒仍完整可见；前一帧24.00秒尚无该卡片，后一帧25.75秒已切换到社交帖子场景，卡片消失。选择24.75秒作为关键帧，此时文字和完成勾号清晰且无遮挡。","start_frame":582,"end_frame":618,"reference_frame":594},"grounding":{"status":"found","bbox_xyxy":[506.3,538,862,614.8],"positive_points":[[521,570],[551,575],[653,574],[774,557],[843,578],[724,601]],"negative_points":[[691,430],[680,683],[333,575],[906,575]],"evidence":"目标是右侧操作列中写有“delete_branch”的奶油色卡片。边界框紧贴卡片表面及外框，包含展开三角、文字和粉色完成勾，不含外侧阴影及其他卡片。六个正点分布于卡片表面、三角、文字和完成勾；四个负点位于上方、下方及左侧其他卡片和右侧外部背景。"}},{"name":"Completion response card","description":"The final cream card reading “Sure! Done” at the top of the right action column.","membership":"Includes the card surface, boundary, disclosure triangle, response text, and checkmark; excludes the cards below.","id":"obj_061","temporal":{"status":"found","start_s":25.25,"end_s":25.75,"reference_s":25.25,"evidence":"目标是右侧动作列最上方的奶油色“Sure! Done”完成响应卡，含左侧三角、文字和右侧勾号。首次完整出现于25.25秒，最后合格帧为25.50秒；此前25.00秒右列顶部仍是export_contacts卡，之后25.75秒切换到社交帖子场景，目标消失。选择25.25秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":606,"end_frame":618,"reference_frame":606},"grounding":{"status":"found","bbox_xyxy":[506.8,420.4,888.0,502.8],"positive_points":[[523,456],[565,463],[667,462],[749,444],[811,482],[865,469]],"negative_points":[[698,563],[457,460],[730,389],[910,464]],"evidence":"目标是右侧操作列最上方写有“Sure! Done”的奶油色卡片。边界框紧贴卡片表面及边框，包含展开三角、文字和粉色对勾，不包含下方卡片。正点分布在卡片表面及内部控件上；负点位于下方卡片、左侧卡片及目标上方和右侧的外部背景。"}},{"name":"Adversarial female figure, social and email examples","description":"The outlined female silhouette on the right of the social-post and recruiter-message demonstrations, with a horizontal blue eye bar and changing poses.","membership":"Includes the complete outlined body, the area enclosed by its contour, and its eye bar; excludes nearby text, warning dialogs, and email panels.","id":"obj_062","temporal":{"status":"found","start_s":25.75,"end_s":28.0,"reference_s":25.75,"evidence":"目标为社交帖子示例右侧的女性轮廓，具有完整身体外框和横向蓝色眼部条，姿势随帧变化。首次合格帧为25.75秒，最后为27.75秒；25.50秒仍是工具执行列表，没有该人物，28.00秒则切换为警告框与帖子，人物消失。选择25.75秒作关键帧，因为全身轮廓清楚、眼部条完整，且未被大字或弹窗遮挡。","start_frame":618,"end_frame":672,"reference_frame":618},"grounding":{"status":"found","bbox_xyxy":[709.4,114.8,892.7,976.9],"positive_points":[[808.3,151.9],[825,192.6],[810.9,417.6],[740.1,369.4],[794.3,748.1],[866.7,735.2]],"negative_points":[[656.3,268.5],[932.3,500.9],[713.5,635.2],[744.8,136.1]],"evidence":"目标是画面右侧带蓝色横向眼条的女性轮廓。边界框紧贴完整身体及眼条，覆盖头部、手臂、躯干和双腿至脚底。正点分布在头部、眼条、躯干、弯曲手臂及双腿内部；负点位于左侧粉色文字和人物轮廓外的背景，避开轮廓内部空隙。"}},{"name":"Social-example injection title","description":"The large “IGNORE PREVIOUS INSTRUCTIONS” wording progressively building above the social posts, changing between blue selection styling and black title cards.","membership":"Includes the title lettering and its black title-card surfaces when present; excludes blue selection emphasis, social posts, and the figure.","id":"obj_063","temporal":{"status":"found","start_s":27.25,"end_s":28.0,"reference_s":27.5,"evidence":"目标是社交帖子上方的大号“IGNORE PREVIOUS INSTRUCTIONS”字样及其黑色标题卡底板，不含蓝色选择强调、帖子和人物。27.25秒首次完整显示三个词，至27.75秒仍完整可见；前一帧27.0秒仅显示“IGNORE PREVIOUS”，后一帧28.0秒已被“Unusual instruction detected.”警告面板替代。选择27.5秒作为关键帧，三层标题卡清晰完整，便于区分并标注。","start_frame":654,"end_frame":672,"reference_frame":660},"grounding":{"status":"found","bbox_xyxy":[108.33,128.7,891.67,635.19],"positive_points":[[397,190],[594,191],[370,319],[629,326],[203,517],[781,523]],"negative_points":[[264,49],[284,730],[821,263],[172,269]],"evidence":"目标是社交帖子上方分三行排列的“IGNORE PREVIOUS INSTRUCTIONS”。边界框紧贴三块黑色标题卡的整体可见范围，包含文字及黑底。六个正点分布于三行标题内容；负点位于顶部窗口标题、帖子蓝色强调条、右侧人物区域及左侧外部背景，均不属于目标。"}},{"name":"Injected social post","description":"The post from a masked “@acct_” account containing “ignore all previous instructions and” followed by redacted text, moving within the social feed during the warning demonstration.","membership":"Includes this post's avatar square, account and time line, message text, redaction bars, and its own row area; excludes other posts and overlaid warning dialogs.","id":"obj_064","temporal":{"status":"found","start_s":25.75,"end_s":29.25,"reference_s":29.0,"evidence":"目标是带方形头像、遮蔽的 @acct_ 账号及时间行、正文“ignore all previous instructions and”和黑色涂抹条的社交帖子。首次完整出现于25.75秒，随后在信息流及警告演示中持续存在，最后 qualifying 帧为29.00秒。前一帧25.50秒仍是工具执行列表；后一帧29.25秒已切换为招聘邮件，目标消失。选择29.00秒作为关键帧，因为目标整行清晰完整，且没有警告对话框遮挡。","start_frame":618,"end_frame":702,"reference_frame":696},"grounding":{"status":"found","bbox_xyxy":[47.9,374.1,810.4,588.0],"positive_points":[[69.8,433.3],[199.5,416.7],[144.8,475.9],[477.6,475.9],[359.4,533.3],[724.0,500.0]],"negative_points":[[338.5,277.8],[283.3,685.2],[549.5,729.6],[885.4,481.5]],"evidence":"目标是中间一条来自遮挡账号“@acct_”、正文为“ignore all previous instructions and”的帖子。框覆盖上下分隔线之间的本行区域，包括头像、账号与时间、正文、黑色遮挡条及行内空白。正点分布在这些内容和行面上；负点位于上方帖子、下方帖子文字、橘子图案及行外右侧背景。"}},{"name":"Questioning social reply","description":"The nearby post from a masked account reading “wait. did that account just...”.","membership":"Includes this reply's avatar, account/time line, text, and row area; excludes the injected post and other feed entries.","id":"obj_065","temporal":{"status":"found","start_s":25.75,"end_s":28.25,"reference_s":28.0,"evidence":"目标是遮蔽账号下写着“wait. did that account just...”的回复行，包括头像、账号/时间及正文。25.75秒首次完整出现，早期灰色为信息流的弱化样式；28.00秒仍完整可见。前一帧25.50秒是工具执行列表，尚无该回复；后一帧28.25秒信息流重排，目标回复消失。选择28.00秒作为关键帧，因为该行文字清晰、无遮挡，容易与上方注入帖子区分。","start_frame":618,"end_frame":678,"reference_frame":672},"grounding":{"status":"found","bbox_xyxy":[41.7,823.1,636.5,975],"positive_points":[[58.2,869.4],[110.9,855.6],[194.8,855.6],[117.7,899.1],[284.4,898.1],[529.2,894.4]],"negative_points":[[247.9,739.8],[58.3,704.6],[244.8,582.4],[743.8,888.9]],"evidence":"目标是底部显示“wait. did that account just...”的回复。框覆盖其上方分隔线以下的可见行区域，包括头像、遮名账号、1m 时间和正文。正点分布于头像、账号时间、正文及行内表面；负点位于上方注入帖子、其他帖子和右侧行外背景。"}},{"name":"Social unusual-instruction warning","description":"The rounded warning panel above the social feed reading “Unusual instruction detected.” with “[Ignore]” and “[Review]” controls.","membership":"Includes the complete warning surface, rounded boundary, warning icon, heading, and both controls; excludes the feed beneath and overlaid adversarial pointer.","id":"obj_066","temporal":{"status":"found","start_s":28.0,"end_s":29.0,"reference_s":28.25,"evidence":"目标是社交信息流上方的圆角警告面板，包含警告图标、“Unusual instruction detected.”标题及“[Ignore]”“[Review]”两个控件。首个合格帧为28.00秒，最后为28.75秒；此前27.75秒仍是大字覆盖的信息流，尚无面板，随后29.00秒面板已消失，仅剩信息流。选择28.25秒作为关键帧，面板完整清晰，且没有叠加的攻击者指针遮挡。","start_frame":672,"end_frame":696,"reference_frame":678},"grounding":{"status":"found","bbox_xyxy":[53.1,116.7,835.4,368.5],"positive_points":[[85.4,175.9],[338.5,180.6],[182.3,267.6],[372.4,294.4],[666.7,231.5],[578.1,333.3]],"negative_points":[[312.5,50.9],[338.5,504.6],[536.5,759.3],[895.8,250]],"evidence":"目标是社交信息流上方的圆角警告面板，含警告图标、“Unusual instruction detected.”标题及两个按钮。边界框覆盖完整面板、圆角边界和可见阴影；正点分布于图标、标题、两个按钮及面板表面，负点位于顶部标题栏、下方信息流、橘子图形和右侧外部背景。"}},{"name":"Tangerine poem response","description":"The social reply with a neutral-face avatar, the heading “a poem about tangerines:”, and several redacted lines.","membership":"Includes the reply's avatar, account/time line, heading, redacted text, and row area; excludes the separate tangerine graphic and preceding injected post.","id":"obj_067","temporal":{"status":"found","start_s":28.25,"end_s":29.25,"reference_s":29.0,"evidence":"目标是带中性表情头像、账号/时间行、“a poem about tangerines:”标题及多行黑色遮挡文本的社交回复，不包括旁边的橘子图形和上方注入帖子。首个完整帧为28.25秒，最后完整帧为29.0秒；前一帧28.0秒尚无该回复，后一帧29.25秒已切换为招聘消息。选择29.0秒作为关键帧，因为回复放大且无遮挡，整行结构清晰。","start_frame":678,"end_frame":702,"reference_frame":696},"grounding":{"status":"found","bbox_xyxy":[47.9,605.6,434.9,879.6],"positive_points":[[69,645],[190,628],[131,692],[141,750],[301,806],[212,864]],"negative_points":[[552,729],[318,473],[69,241],[723,852]],"evidence":"通过中性表情头像、账号时间行、“a poem about tangerines:”标题和三行黑色遮挡条识别该回复。框紧贴左下方回复的头像与文字内容范围，涵盖其间行区域；正点分布在头像、账号、标题及各行遮挡条上，负点位于独立橘子图形、上一条注入帖子、上方头像和右侧背景。"}},{"name":"Tangerine graphic","description":"The large round yellow-orange fruit beside the poem response, with a short black stem and white highlight.","membership":"Includes the fruit's outlined circular body, enclosed surface, stem, and highlight; excludes surrounding feed text.","id":"obj_068","temporal":{"status":"found","start_s":28.25,"end_s":29.25,"reference_s":29.0,"evidence":"目标是诗歌回复旁的黄橙色圆形水果，具有黑色轮廓、短黑茎和白色高光。28.25秒首次完整出现，至29.00秒仍完整可见；前一帧28.00秒尚无水果，后一帧29.25秒已切换为招聘消息面板，水果消失。选择29.00秒作关键帧，水果清晰、完整且无遮挡。","start_frame":678,"end_frame":702,"reference_frame":696},"grounding":{"status":"found","bbox_xyxy":[480.7,582.4,625.5,861.1],"positive_points":[[550.3,597.2],[524.5,689.4],[514.1,759.3],[567.7,646.3],[598.4,750.9],[562.5,851.9]],"negative_points":[[461.5,765.7],[649.5,736.1],[557.3,895.4],[394.3,682.4]],"evidence":"目标是诗歌回复右侧的大型黄橙色圆形水果，带黑色短茎和白色高光。边界框紧贴果体外轮廓及短茎，包含右下方黑色边缘。正点分布在短茎、高光、果面与底部轮廓上；负点位于果实外侧背景及左侧回复文字上。"}},{"name":"Adversarial text pointer, warning demonstrations","description":"The magenta I-beam with an attached “me” label positioned beside the warning's Ignore control in the social and later email examples.","membership":"Includes the I-beam and label surface and lettering; excludes temporary interaction rings and the warning panels themselves.","id":"obj_069","temporal":{"status":"found","start_s":28.5,"end_s":29.0,"reference_s":28.5,"evidence":"目标是社交内容警告框的 Ignore 控件旁、带“me”标签的洋红色 I 形指针，不包括交互圆环或警告面板。首次完整出现于28.50秒，最后符合条件的帧为28.75秒；前一帧28.25秒尚无该指针，后一帧29.00秒警告框和指针已消失。选择28.50秒作为关键帧，指针和标签清晰完整，且没有交互圆环干扰。","start_frame":684,"end_frame":696,"reference_frame":684},"grounding":{"status":"found","bbox_xyxy":[280.7,267.6,337,380.6],"positive_points":[[286.5,274.1],[290.1,300.9],[290.1,330.6],[286.5,353.7],[307.3,345.4],[326,363.9]],"negative_points":[[237,264],[375,295],[365,189],[318,417]],"evidence":"目标是警告框 Ignore 控件右侧的洋红色 I 形指针及其相连的“me”标签。边界框覆盖指针、标签底色与文字及可见描边；六个正点分布在指针上下横杠、竖杆和标签上，四个负点位于 Ignore、Review、警告面板其他区域及下方背景，不包含目标。"}},{"name":"Recruiter message panel","description":"The cream email panel headed “RECRUITER MESSAGE”, from “talent@example.com” with subject “Exciting opportunity!”, whose body presents the injection and later “[a recipe for flan]”.","membership":"Includes the complete email panel surface, boundary, title bar, sender and subject lines, divider, and changing body contents; excludes the adjacent female figure and overlaid warning dialogs.","id":"obj_070","temporal":{"status":"found","start_s":29.25,"end_s":32.5,"reference_s":31.25,"evidence":"根据奶油色邮件窗口、“RECRUITER MESSAGE”标题、发件人 talent@example.com 和主题“Exciting opportunity!”识别目标。29.25 秒面板边界与布局已完整建立；之后正文变化，并被警告框暂时遮挡，仍是同一面板。最后合格帧为32.25秒；前一邻帧29.00秒仍是社交帖子，后一邻帧32.50秒已替换为城堡与钥匙画面。选择31.25秒作为关键帧，完整邮件面板及布丁食谱内容清晰可见，无警告框遮挡。","start_frame":702,"end_frame":780,"reference_frame":750},"grounding":{"status":"found","bbox_xyxy":[45.3,99.1,659.9,966.7],"positive_points":[[172,128],[188,208],[271,258],[202,501],[564,662],[476,861]],"negative_points":[[832,406],[429,49],[701,689],[26,552]],"evidence":"通过“RECRUITER MESSAGE”标题、发件人和主题识别左侧邮件面板。边界框覆盖完整标题栏、奶油色面板、边框及正文内容。六个正点分布在标题、发件人、主题、蓝色正文区和布丁图案上；负点位于右侧女性图形、顶部外层标题栏及面板外背景。"}},{"name":"Recruiter-message injection text","description":"The large white “IGNORE PREVIOUS INSTRUCTIONS” text progressively revealed inside the blue body of the recruiter message.","membership":"Includes the complete injection lettering; excludes the blue body backing, selection handles, email header, and warning overlays.","id":"obj_071","temporal":{"status":"found","start_s":30.75,"end_s":32.5,"reference_s":31.25,"evidence":"目标是招聘邮件蓝色正文内的白色“IGNORE PREVIOUS INSTRUCTIONS”完整字样。30.75秒首次全部揭示；此前30.50秒仅有“IGNORE PREVIOUS”。31.50至32.00秒被警告面板暂时遮挡，32.25秒再次清楚显示，属于同一连续出现。最后合格帧为32.25秒，32.50秒已切换为城堡与钥匙场景。选择31.25秒作为关键帧，完整文字清晰且无遮挡。","start_frame":738,"end_frame":780,"reference_frame":750},"grounding":{"status":"found","bbox_xyxy":[84.4,361.1,617.7,716.7],"positive_points":[[132.8,416.7],[544.8,374.1],[96.9,555.6],[512.5,597.2],[92.2,675.9],[531.3,673.1]],"negative_points":[[67.7,435.2],[629.2,546.3],[364.6,737.0],[364.6,250.0]],"evidence":"目标是招聘邮件蓝色正文中的三行白色大字“IGNORE PREVIOUS INSTRUCTIONS”。边界框紧贴完整三行文字；六个正点分布在各行字母笔画上。负点位于文字整体外围的蓝色底板及上方邮件标题区域，不涉及字母孔洞或行间空隙。"}},{"name":"Email unusual-instruction warning","description":"The first rounded “Unusual instruction detected.” dialog covering the recruiter message, with a large yellow warning triangle and “[Ignore]” and “[Review]” controls.","membership":"Includes this dialog's full surface, boundary, warning graphics, heading, and controls; excludes the email beneath and the later second warning dialog.","id":"obj_072","temporal":{"status":"found","start_s":31.5,"end_s":32.25,"reference_s":31.5,"evidence":"目标是覆盖招聘邮件的第一个圆角警告框，含“Unusual instruction detected.”标题、大黄色警告三角形及[Ignore]、[Review]控件。31.5秒首次完整出现，至32.0秒仍可见；31.25秒只有邮件及布丁图案，32.25秒警告框已消失。31.75秒新增的上层警告框不属于目标。选31.5秒为关键帧，此时目标完整且未被第二个警告框遮挡。","start_frame":756,"end_frame":774,"reference_frame":756},"grounding":{"status":"found","bbox_xyxy":[49,330,684,758],"positive_points":[[271,393],[184,521],[175,660],[372,684],[568,568],[645,421]],"negative_points":[[334,224],[480,840],[808,523],[27,533]],"evidence":"目标是覆盖招聘邮件的圆角警告对话框，含“Unusual instruction detected.”标题、黄色警告三角形及两个按钮。边界框紧贴完整面板及其外沿阴影；正点分布在标题、面板表面、警告图形和按钮上，负点位于上方邮件、下方布丁图案、右侧人物及左侧外部背景。"}},{"name":"Flan graphic","description":"The yellow flan illustration with a dark brown top beside “[a recipe for flan]” in the email body.","membership":"Includes the dessert's complete outlined shape and enclosed colored surfaces; excludes the adjacent recipe text and warning overlays.","id":"obj_073","temporal":{"status":"found","start_s":31.0,"end_s":32.5,"reference_s":31.25,"evidence":"目标是邮件正文中紧邻“[a recipe for flan]”的黄色布丁图案，具有深棕色顶部和完整黑色轮廓。首个合格帧为31.00秒，最后为32.25秒；期间虽出现警告面板，布丁仍持续可见。此前30.75秒尚无布丁，之后32.50秒已切换为城堡和钥匙场景。选择31.25秒作为关键帧，图案完整清晰且无遮挡。","start_frame":744,"end_frame":780,"reference_frame":750},"grounding":{"status":"found","bbox_xyxy":[418.8,776.9,543.8,918.5],"positive_points":[[447,790],[510,797],[445,862],[525,885],[481,845],[481,910]],"negative_points":[[350,846],[540,704],[590,876],[476,949]],"evidence":"目标是邮件正文底部、食谱文字右侧的布丁图案。边界框紧贴其深棕色顶部、黄色主体及完整黑色轮廓；六个正点分布于顶部、主体和底边，负点位于左侧食谱文字、上方蓝色警示区域及图案外的浅色背景。"}},{"name":"Second email warning dialog","description":"A second rounded unusual-instruction warning stacked below the first, repeating the warning triangle and Ignore/Review controls.","membership":"Includes this lower dialog's surface, rounded boundary, heading, warning graphics, and controls; excludes the upper dialog and email content beneath.","id":"obj_074","temporal":{"status":"found","start_s":31.5,"end_s":32.25,"reference_s":32.0,"evidence":"目标是邮件上方的大型圆角警告框，含警告标题、大三角感叹号及 Ignore/Review 控件，随后位于双层警告框的下层。31.5 秒其表面和边界已完整出现，持续至最后合格帧 32.0 秒；31.25 秒仅有邮件内容，32.25 秒警告框已消失。选择 32.0 秒作关键帧，下层对话框与上层清晰可分，主体及控件可见。","start_frame":756,"end_frame":774,"reference_frame":768},"grounding":{"status":"found","bbox_xyxy":[51.6,338.9,682.3,756.5],"positive_points":[[240,396],[169,518],[181,657],[374,683],[568,571],[635,696]],"negative_points":[[420,180],[254,837],[816,594],[31,540]],"evidence":"目标是上方弹窗下叠放的第二个警告对话框，含重复标题、Ignore/Review 控件及右侧大警告三角形。框覆盖下层弹窗的可见表面、圆角边界和阴影；正点分布于标题、面板表面、按钮及警告图形，负点位于上层弹窗、下方邮件内容、右侧人物和左侧外部背景。"}},{"name":"You gave it keys closing title","description":"The closing two-line black title cards reading “YOU GAVE IT” and “KEYS” on the upper right.","membership":"Includes both title-card surfaces, boundaries, and lettering as one compact heading; excludes the castle and key graphic.","id":"obj_075","temporal":{"status":"found","start_s":32.5,"end_s":33.0,"reference_s":32.5,"evidence":"目标为右上方两块黑底粉字标题卡，上行“YOU GAVE IT”、下行“KEYS”，不含城堡和钥匙。32.5秒两块标题卡均完整出现，末个合格帧为32.75秒；前一帧32.25秒仅有上行标题，组合尚不完整。目标持续至视频结束33.0秒，无后续采样帧。选择32.5秒作为关键帧，两块标题轮廓与文字清晰、无遮挡。","start_frame":780,"end_frame":792,"reference_frame":780},"grounding":{"status":"found","bbox_xyxy":[424,116.7,951,538],"positive_points":[[471,176],[660,180],[892,184],[495,403],[647,414],[864,437]],"negative_points":[[331,599],[772,685],[940,693],[586,621]],"evidence":"目标是右上方分别写有“YOU GAVE IT”和“KEYS”的两��黑色标题卡。边界框紧密覆盖两块卡片的表面、边缘及文字；六个正点分布于上下卡片，四个负点位于城堡、粉色钥匙及标题外的浅色背景，均不包含在目标中。"}},{"name":"Sensitive-data castle","description":"The large outlined castle filled with repeated resource names such as “/inbox”, “/cloud”, “/keys”, “~/.ssh”, and “/contacts”, with a small arched door.","membership":"Includes the complete castle silhouette, enclosed surface, resource-name texture, and door; follows the turrets and external concavities and excludes the overlaid key and title cards.","id":"obj_076","temporal":{"status":"found","start_s":32.5,"end_s":33.0,"reference_s":32.5,"evidence":"目标为填满 /inbox、/cloud、/keys、~/.ssh、/contacts 等资源名的描边城堡，带尖顶塔楼和拱门；不包括叠加的钥匙与标题卡。首个及最后一个合格采样帧分别为32.50秒和32.75秒，城堡结构均已完整建立。此前32.25秒仍是招聘邮件场景，没有城堡。区间延至视频末尾33.00秒，无后续帧。选择32.50秒作为关键帧，因为钥匙尚未覆盖门部，城堡轮廓与资源名纹理较清楚。","start_frame":780,"end_frame":792,"reference_frame":780},"grounding":{"status":"found","bbox_xyxy":[63.5,91.7,609.4,973.1],"positive_points":[[330,211],[245,407],[180,625],[479,632],[329,756],[431,900]],"negative_points":[[625,407],[661,759],[95,500],[382,210]],"evidence":"目标是左侧由资源路径文字填充、带尖塔和拱门的城堡。边界框覆盖最高塔尖至底部轮廓及两侧最外缘；正点分布在各塔楼、门和底部内部，负点位于标题卡、粉色钥匙及城堡外背景，排除覆盖物。"}},{"name":"API secret key graphic","description":"The large magenta key laid across the castle door, with a circular bow containing curved text beginning “sk-live-”.","membership":"Includes the key's complete outer contour, shaft, teeth, circular bow, enclosed bow area, and lettering; excludes the castle and adjacent title.","id":"obj_077","temporal":{"status":"found","start_s":32.5,"end_s":33.0,"reference_s":32.5,"evidence":"目标是城堡门旁的大型洋红色钥匙，具有完整钥匙杆、齿和圆形匙环，环内沿弧线标有“sk-live-”开头的文字。首个合格帧为32.50秒，最后为32.75秒；32.25秒仍是招聘消息场景，尚无该钥匙。此后视频结束，无后续采样帧。选择32.50秒，因为钥匙轮廓和文字清晰，与城堡重叠较少。","start_frame":780,"end_frame":792,"reference_frame":780},"grounding":{"status":"found","bbox_xyxy":[552.6,663.9,829.7,861.1],"positive_points":[[568,761],[592,795],[683,761],[766,687],[818,775],[772,763]],"negative_points":[[500,850],[677,429],[891,753],[635,898]],"evidence":"目标是图像右下方带有弧形“sk-live-”字样的洋红色钥匙。边界框紧贴完整钥匙，涵盖轴、齿、圆形钥匙头及其包围区域。正点分布在轴、齿、圆环和环内区域；负点位于城堡、上方标题及钥匙外的背景，排除这些非目标内容。"}}]}
+{"video_id":195,"video_type":"visual design and media animation","targets":[{"name":"Kingdom checkout headline","description":"Large magenta headline above the initial product card, progressively revealing “Now the kingdom's getting”.","membership":"Include only the headline glyphs. Exclude the checkout navigation, product card, and overlapping offer notice.","id":"obj_001","temporal":{"status":"found","start_s":1.75,"end_s":2.0,"reference_s":1.75,"evidence":"目标是初始商品卡上方的大号洋红色标题，不含导航、商品卡和报价告示。1.75秒首次完整显示“Now the kingdom's getting...”，也是最后一个 qualifying 帧；前一帧1.50秒仅显示至“getting”，末尾省略号尚未揭示，后一帧2.00秒已切换为订单收据，标题消失。选择1.75秒作为关键帧，标题字形完整清晰。","start_frame":42,"end_frame":48,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[44.8,230.6,603.2,452.8],"positive_points":[[57.3,277.8],[203.1,277.8],[307.3,277.8],[587.5,263.9],[59.4,441.7],[137,393.5]],"negative_points":[[204.2,180.6],[493.2,693.5],[781.3,424.1],[411.5,393.5]],"evidence":"目标是商品卡上方两行洋红色大标题“Now the kingdom's getting...”。边界框紧贴完整标题字形及省略号；六个正点分布在两行文字笔画上，负点位于结账导航、商品卡、倾斜促销告示和标题外的空白背景，均排除在目标之外。"}},{"name":"Kingdom product card","description":"Wide bordered checkout card containing a castle illustration, “1 × KINGDOM”, the description “keys, photos, inbox, cloud, all of it”, a changing price, and a purchase button.","membership":"Include the card surface, border, shadow, illustration, product text, price, and button. Exclude the headline and independently overlaid offer notice.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0,"evidence":"目标是包含城堡插图、��1 × KINGDOM”、产品说明、变化价格和购买按钮的宽幅结账卡，包含边框及阴影，不含上方标题和独立优惠告示。首个合格帧为0.00秒，卡片已完整呈现；最后合格帧为1.75秒，虽然价格区域被“SOLD”覆盖，卡片仍持续存在。2.00秒已切换为收据与城堡场景，原卡片消失。区间始于视频开头，无更早采样帧。选择0.00秒作为关键帧，因为卡片完整清晰且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[39.6,471.3,965.6,950.9],"positive_points":[[182,740],[439,522],[556,580],[537,690],[788,860],[564,851]],"negative_points":[[167,275],[502,385],[25,712],[211,110]],"evidence":"目标是画面下半部的宽幅商品结账卡。边界框覆盖卡片表面、边框和右下阴影，以及城堡插图、商品文字、价格与购买按钮。六个正点分布在这些内容及卡片空白表面；负点位于上方标题、卡片外背景和顶部导航，均不属于卡片。"}},{"name":"Data castle illustration","description":"Castle silhouette filled with file and directory names, initially framed on the left of the product card. Its enlarged portions subsequently flank the receipt.","membership":"Include the castle's actual silhouette, file-name texture, black edges, and arched doorway. Exclude the rectangular product-image frame, receipt, and overlaid SOLD placards.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":1,"evidence":"目标是商品卡左侧由文件和目录名称填充、带黑色轮廓及粉色拱门的城堡，不包括外框和 SOLD 标牌。首个合格帧为 0.00 秒，城堡已完整呈现；视频起点前无采样帧。最后合格帧为 1.75 秒；紧邻的 2.00 秒帧中，城堡已放大并分离到收据两侧，右下部分开始被画面边缘裁切，因此结束区间。选择 1.00 秒作为关键帧，城堡完整清晰且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[82,543,299,889],"positive_points":[[198.4,593.5],[177,659],[125,776],[254,777],[190,793],[250,883]],"negative_points":[[59,640],[280,680],[240,570],[435,524]],"evidence":"目标是商品卡左侧由文件及目录名称填充的城堡。边界框紧贴城堡塔尖、两侧轮廓和底部黑边，包含粉色拱门，不包含矩形图片框。正点分布在塔楼边缘、文字纹理、拱门及底边；负点位于图片框线、城堡外空白和右侧商品文字上。"}},{"name":"PLACE ORDER button","description":"Black rectangular purchase control at the lower right of the initial product card.","membership":"Include the button face, boundary, shadow, and “PLACE ORDER” lettering. Exclude the nearby labeled pointer.","id":"obj_004","temporal":{"status":"found","start_s":0.0,"end_s":2.0,"reference_s":1.0,"evidence":"目标是初始商品卡右下角的黑色“PLACE ORDER”按钮，包含按钮面、边界、阴影和文字，不含旁边标注指针。首个合格帧为0.00秒，按钮已完整呈现；视频起点之前无采样帧。最后合格帧为1.75秒，按钮仍完整可见；紧邻的2.00秒已切换为收据场景，按钮消失。选择1.00秒作为关键帧，按钮清晰完整且无指针遮挡。","start_frame":0,"end_frame":48,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[669.3,809.3,904.2,921.3],"positive_points":[[686,831],[747,860],[832,860],[882,829],[805,896],[900,916]],"negative_points":[[639,861],[787,773],[927,869],[815,951]],"evidence":"目标是商品卡片右下角标有“PLACE ORDER”的黑色购买按钮。边界框紧贴按钮面、边界及右下投影，包含全部文字，不含附近其他标注。正点分布在按钮面、文字和投影上；负点位于按钮四周的外部背景。"}},{"name":"Binding offer notice","description":"Tilted magenta placard above the product price reading “legally binding offer – no takesies backsies”.","membership":"Include the entire placard surface, boundary, shadow, and lettering. Exclude the product card beneath it.","id":"obj_005","temporal":{"status":"found","start_s":1.0,"end_s":2.0,"reference_s":1.25,"evidence":"目标是商品价格上方倾斜的洋红色告示牌，文字为“legally binding offer – no takesies backsies”，包含完整牌面、边界和阴影。首个合格帧为1.00秒，最后一个为1.75秒；此前0.75秒尚无告示牌，此后2.00秒已切换为收据画面，告示牌消失。选择1.25秒作为关键帧，牌面及文字完整清晰，无明显遮挡。","start_frame":24,"end_frame":48,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[591.7,300,928.6,560.2],"positive_points":[[609.4,397.2],[757.8,353.7],[894.3,333.3],[640.6,513],[781.3,479.6],[901.6,450]],"negative_points":[[770.8,611.1],[718.8,277.8],[953.1,407.4],[557.3,435.2]],"evidence":"目标是价格上方倾斜的洋红色告示牌，写有“legally binding offer – no takesies backsies”。框覆盖整块牌面、文字、边界及右下方阴影。六个���点分布在牌面各处；负点位于牌外背景和下方商品卡上，排除商品卡。"}},{"name":"Kingdom order receipt","description":"Tall receipt headed “KINGDOM STORE · ORDER 000143”, showing the original price, discount, and $1.00 total. As it moves upward, it reveals the thank-you message, the unhonoured-deal disclaimer, and refund terms.","membership":"Include the paper surface, torn upper edge when visible, side boundaries, shadow, rules, and all printed contents. Exclude the castle and overlaid SOLD placards.","id":"obj_006","temporal":{"status":"found","start_s":2.0,"end_s":2.5,"reference_s":2.25,"evidence":"凭“KINGDOM STORE · ORDER 000143”标题、原价、折扣和 $1.00 合计识别收据，排除城堡及 SOLD 贴牌。首个合格帧为 2.00 秒，纸面、撕口上缘和侧边已建立；最后合格帧为 2.25 秒。此前 1.75 秒仍是购物车页面；随后 2.50 秒收据上移，顶部开始被画面上缘裁切。选择 2.25 秒作为关键帧，因为收据标题、金额及致谢文字清楚，纸张边界易于辨认。","start_frame":48,"end_frame":60,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[290.1,134.3,715.6,588.0],"positive_points":[[319.8,187.0],[632.8,186.1],[367.2,266.7],[638.0,318.5],[335.4,408.3],[573.4,496.3]],"negative_points":[[500.0,700.0],[830.2,427.8],[175.0,648.1],[507.8,104.6]],"evidence":"依据“ KINGDOM STORE · ORDER 000143”标题、原价、折扣及$1.00总额识别收据。框覆盖可见纸面、锯齿状上缘、两侧边界与右侧阴影。六个正点分布在纸面及不同区域的印刷内容上；负点位于两个SOLD告示、左侧城堡和收据上方背景，排除这些非目标内容。"}},{"name":"Central SOLD placard","description":"Large magenta rectangle reading “SOLD”, first covering the lower receipt and then remaining centered against the black terminal background.","membership":"Include the placard face, boundary, shadow, and black lettering. Exclude the receipt and smaller peripheral SOLD signs.","id":"obj_007","temporal":{"status":"found","start_s":1.75,"end_s":4.25,"reference_s":4.0,"evidence":"目标是带黑色“SOLD”字样和阴影的大号洋红色矩形牌，不包括周边小牌。1.75秒首次完整出现，随后连续覆盖收据下部，并在4.00秒保留于黑色终端背景中央。前一帧1.50秒该位置仍显示价格，后一帧4.25秒大牌已消失，换为权限开关场景。选择4.00秒为关键帧，牌面完整清晰，无遮挡且无小型SOLD牌干扰。","start_frame":42,"end_frame":102,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[257.3,579.6,748,830.6],"positive_points":[[281,606],[322,697],[445,643],[543,741],[674,696],[714,796]],"negative_points":[[223,692],[787,704],[504,533],[501,880]],"evidence":"目标为画面下方中央写有黑色“SOLD”的大型洋红色矩形牌。边界框覆盖牌面、边缘及右侧和底部阴影；正点分布在洋红色牌面及黑色字母上，负点位于牌子四周、与其边缘分离的黑色背景中。"}},{"name":"Terminal agent prompt","description":"White monospace “agent” following a gray dollar prompt near the upper left of the black terminal scene.","membership":"Include the dollar sign and command text. Exclude the blinking insertion block, labeled arrow, clock badge, and following magenta message.","id":"obj_008","temporal":{"status":"found","start_s":4.0,"end_s":6.25,"reference_s":5.75,"evidence":"目标是黑色终端场景左上角的灰色美元符号和白色等宽“agent”，不包括插入块、箭头、时钟及下方品红文字。首个合格帧为4.00秒，最后为6.00秒；前一帧3.75秒仍是订单收据，后一帧6.25秒该命令提示已消失。选择5.75秒作为关键帧，目标完整清晰，附近没有插入块或箭头干扰。","start_frame":96,"end_frame":150,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[46.9,108.3,206.3,176.9],"positive_points":[[55.7,137],[108.3,149.1],[132.3,149.1],[148.4,145.4],[168.8,145.4],[195.8,140.7]],"negative_points":[[90.6,50.9],[221.9,264.8],[239.6,138.9],[67.7,194.4]],"evidence":"目标是左上方灰色美元符号及其后的白色等宽“agent”。边界框紧贴整段提示符和命令文字；六个正点分别位于美元符号及五个字母笔画上。负点位于上方时钟徽章、下方洋红色消息以及文字外的黑色背景，未包含插入块等其他元素。"}},{"name":"Shell access message","description":"Large magenta terminal-style text progressively revealing “You gave it shell access,” and continuing with “gave it yo”.","membership":"Include the message glyphs across its changing line breaks. Exclude the insertion block, command prompt, switch, and neighboring flag display.","id":"obj_009","temporal":{"status":"found","start_s":6.0,"end_s":6.75,"reference_s":6.0,"evidence":"目标是洋红色的大号终端消息字形，不含插入块、命令提示符、开关及旁边的参数文字。6.00秒首次完整显示“You gave it shell access,”，随后换行续写，保���至最后符合条件的6.50秒。前一帧5.75秒仍在初始文字揭示中，尚无逗号；后一帧6.75秒切换为CLOUD画面，消息消失。选择6.00秒作为关键帧，文字完整清晰且无遮挡。","start_frame":144,"end_frame":162,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[45.8,205.6,554.2,436.1],"positive_points":[[62.5,245.4],[212.0,262.0],[427.1,264.8],[95.3,379.6],[345.8,405.6],[547.9,413.9]],"negative_points":[[148.4,144.4],[713.0,139.8],[304.7,561.1],[326.0,729.6]],"evidence":"目标是左上方两行大型洋红色文字“You gave it / shell access,”。边界框紧贴全部可见消息字形及末尾逗号；六个正点分布在两行字形上，四个负点分别位于命令提示文字、右上旗标、下方权限参数和黄色开关上，均排除在目标外。"}},{"name":"Permission bypass switch","description":"Large horizontal pill-shaped toggle below “--dangerously-skip-permissions”, changing from gray OFF with its knob on the left to yellow ON with the knob on the right.","membership":"Include the switch track, outline, shadow, circular knob, and ON or OFF label. Exclude the command-line flag above it and the interaction pointer.","id":"obj_010","temporal":{"status":"found","start_s":4.25,"end_s":6.75,"reference_s":6.0,"evidence":"目标是命令行标志下方的大型胶囊形权限开关，包含轨道、轮廓、阴影、圆形旋钮及状态标签。4.25秒首次完整出现，为灰色OFF、旋钮在左；随后变为黄色ON、旋钮在右，至6.50秒仍完整可见。前一帧4.00秒是SOLD画面，没有开关；后一帧6.75秒切为CLOUD画面，开关消失。选择6.00秒作为关键帧，开关结构清晰完整，且无交互指针遮挡。","start_frame":102,"end_frame":162,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[42.7,608.3,579.2,876.9],"positive_points":[[80,730],[145,739],[338,612],[390,803],[500,737],[395,870]],"negative_points":[[317,559],[40,550],[305,929],[784,583]],"evidence":"目标是命令行参数下方的黄色 ON 胶囊形开关，圆形旋钮位于右侧。框覆盖轨道、描边、底部阴影、旋钮和 ON 标签；六个正点分布于这些组成部分。负点位于上方参数文字、外围黑色背景及右侧聊天图形，均不属于开关。"}},{"name":"Skip-permissions flag","description":"White monospace “--dangerously-skip-permissions” directly above the large toggle; “dangerously” is later struck through.","membership":"Include only the flag's text glyphs. Exclude the added magenta strike-through, toggle, and overlapping animated brace.","id":"obj_011","temporal":{"status":"found","start_s":4.25,"end_s":6.75,"reference_s":4.75,"evidence":"目标是大开关正上方的白色等宽文字“--dangerously-skip-permissions”，仅包含文字字形，不包含开关、洋红色删除线或重叠花括号。4.25秒首次完整出现，6.50秒仍可见；此前4.00秒是终端与SOLD标牌，尚无该文字，之后6.75秒切换为CLOUD画面，文字消失。选择4.75秒作为关键帧，此时文字完整清晰，尚无遮挡或删除线。","start_frame":102,"end_frame":162,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[45.3,537,568.8,595.4],"positive_points":[[53.6,564.8],[90.1,579.6],[244.8,561.1],[310.4,563.9],[380.2,576.9],[560,578.7]],"negative_points":[[312.5,689.8],[328.1,488.9],[630.2,592.6],[62.5,254.6]],"evidence":"目标是大开关正上方的白色等宽文字“--dangerously-skip-permissions”。边界框紧贴整段文字的可见字形，正点分布在开头横线及各段字母笔画上；负点位于下方开关、文字上方背景、右侧花括号和上方粉色文字处，不包含这些非目标元素。"}},{"name":"Agent speech-bubble character, terminal appearance","description":"Lavender rounded speech-bubble character with a small indicator dot, a smiling face, and brace-shaped arms, initially to the right of the permission switch. It later becomes smaller beside the cloud graphic.","membership":"Include the bubble body and tail, outline, facial features, indicator dot, and associated brace-shaped arms. Exclude surrounding text, controls, and cloud contents.","id":"obj_012","temporal":{"status":"found","start_s":4.25,"end_s":7.25,"reference_s":4.5,"evidence":"目标是权限开关右侧的淡紫色笑脸气泡角色，包含尾部、指示点和花括号状双臂；随后缩小并移至云图旁。首个完整帧为4.25秒，最后 qualifying 帧为7.00秒，缩小及面部内容变化不改变其身份。此前4.00秒只有终端文字和SOLD标牌，此后7.25秒切换为权限弹窗，角色消失。选择4.50秒作为关键帧，角色轮廓及各组成部分清楚且无遮挡。","start_frame":102,"end_frame":174,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[623.4,464.8,949.5,761.1],"positive_points":[[629.7,592.6],[942.2,592.6],[750,509.3],[786.5,623.1],[867.2,495.4],[719.8,733.3]],"negative_points":[[599,685.2],[903.6,805.6],[802.1,402.8],[494.8,731.5]],"evidence":"目标是权限开关右侧的淡紫��笑脸气泡角色。边界框覆盖气泡主体、轮廓、尾巴、面部、指示圆点及左右花括号手臂。六个正点分布在双臂、主体、嘴部、指示点和尾巴；负点位于角色外围黑色背景及左侧开关上，排除周围控件。"}},{"name":"Alternative bypass flags","description":"Compact split-flap-style text display in the upper right, revealing “--yolo” and “--dangerously-bypass-approvals-and-sandbox”.","membership":"Include the dark magenta character tiles and their displayed lettering throughout updates. Exclude the agent character below and the large shell-access message to the left.","id":"obj_013","temporal":{"status":"found","start_s":5.75,"end_s":6.75,"reference_s":6.25,"evidence":"目标是右上角由深洋红色字符格组成的翻牌式文字显示区。5.75秒首次完整显示“--yolo”，随后增加旁路参数的文字行，属于同一显示区的内容更新；最后合格帧为6.50秒。前一帧5.50秒尚无此显示区，后一帧6.75秒已切换为云图场景，目标消失。选择6.25秒作为关键帧，两项参数清晰可见，且与下方角色、左侧大字易于区分。","start_frame":138,"end_frame":162,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[667.7,108.3,970.8,340.7],"positive_points":[[712,137],[817,194],[906,194],[684,251],[943,256],[802,314]],"negative_points":[[781,556],[460,280],[820,70],[947,390]],"evidence":"目标是右上角显示“--yolo”和分行绕过审批及沙箱参数的翻牌式文字。边界框紧贴四行深洋红字符方块的整体范围，包含方块及字母。六个正点分布在各行字符方块上；负点位于下方代理角色、左侧大字以及显示区上方和右下方的外部背景。"}},{"name":"CLOUD heading","description":"Large magenta uppercase “CLOUD” above the file-filled cloud illustration.","membership":"Include only the heading glyphs. Exclude the cloud silhouette underneath.","id":"obj_014","temporal":{"status":"found","start_s":6.75,"end_s":7.25,"reference_s":6.75,"evidence":"目标是文件文字构成的云朵上方、完整显示的洋红色大写“CLOUD”字样，仅包含标题 glyphs，不含云朵。首个合格帧为6.75秒，最后合格帧为7.00秒；此前6.50秒仍是shell access和权限开关场景，之后7.25秒已切换为权限弹窗，标题消失。选择6.75秒作为关键帧，因为标题完整清晰，且与下方云朵分离、无遮挡。","start_frame":162,"end_frame":174,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[342.2,111.1,657.3,217.6],"positive_points":[[352.6,163.9],[419.8,176.9],[470.3,162],[542.2,164.8],[612.5,165.7],[644.3,175.9]],"negative_points":[[477.1,407.4],[501.6,83.3],[318.8,168.5],[682.3,166.7]],"evidence":"目标是文件云图上方的大号洋红色“CLOUD”标题。边界框紧贴完整标题的字形范围；六个正点分布在各字母的实心笔画上，负点位于标题外的黑色背景及下方明确排除的文件云图中。"}},{"name":"File-filled cloud","description":"White cloud silhouette filled with filenames such as “passwords_old.xlsx”, “contacts.vcf”, and “taxes_2026.pdf”, shown separating into upper and lower portions.","membership":"Include the actual cloud outline and its filename texture, following the visible portions rather than filling the gap between them. Exclude the heading, labeled pointer, and directory strip below.","id":"obj_015","temporal":{"status":"found","start_s":6.75,"end_s":7.25,"reference_s":7.0,"evidence":"目标是填满 passwords_old.xlsx、contacts.vcf、taxes_2026.pdf 等文件名的白色云朵。6.75秒首次完整出现，7.00秒仍可见，云朵变形为上下分离的两部分；这是目标描述中的展示状态。前一帧6.50秒是权限开关画面，后一帧7.25秒已替换为权限对话框，云朵消失。选择7.00秒作为关键帧，两部分轮廓及文件名纹理清晰，可与标题、指针和下方目录条区分。","start_frame":162,"end_frame":174,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[270.3,167.6,666.7,671.3],"positive_points":[[356.3,325],[442.7,246.3],[544.3,308.3],[300,561.1],[462,603.7],[621.9,575.9]],"negative_points":[[556.8,166.7],[563.5,429.6],[455.7,703.7],[231.3,527.8]],"evidence":"目标是中央由文件名纹理填充、分成上下两部分的白色云。边界框覆盖两部分的可见轮廓；正点分别分布在上、下云体上，不填充中间裂隙。负点位于粉色标题、标注指针、下方目录条及云外背景，均不属于目标。"}},{"name":"Backups directory strip","description":"Narrow bordered listing beneath the cloud, displaying “drwxr-x backups/” and a minus symbol.","membership":"Include the listing's rectangular surface, border, shadow, internal divider, and text. Exclude the cloud above.","id":"obj_016","temporal":{"status":"found","start_s":7.0,"end_s":7.25,"reference_s":7.0,"evidence":"7.00秒云朵下方出现完整的窄矩形目录条，带边框、阴影、内部分隔线，以及“drwxr-x backups/”文字��减号，符合目标描述。首个及最后一个合格帧均为7.00秒；前一帧6.75秒只有云朵，没有目录条，后一帧7.25秒已切换为权限弹窗，目录条消失。选择7.00秒作为关键帧，目标结构完整且无遮挡。","start_frame":168,"end_frame":174,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[295.3,669.4,645.8,770.4],"positive_points":[[306,694],[432,702],[617,699],[332,748],[570,748],[643,742]],"negative_points":[[498,628],[274,718],[676,725],[472,806]],"evidence":"目标是云朵下方标有“drwxr-x backups/”和减号的窄条。边界框覆盖矩形表面、边框、下方分隔栏及右下阴影；正点分布在上下栏、文字、减号和阴影上，负点位于上方云朵及条框左右、下方的外部背景。"}},{"name":"Clicked placard","description":"Magenta rectangular label reading “Clicked” above the large permission dialog.","membership":"Include the placard surface, boundary, shadow, and lettering. Exclude the dialog beneath it.","id":"obj_017","temporal":{"status":"found","start_s":7.25,"end_s":9.0,"reference_s":8.25,"evidence":"目标是大型权限对话框上方写有“Clicked”的品红色矩形牌，包含黑色投影。7.25秒首次完整出现，8.75秒为最后一个符合条件的帧；此前7.00秒仍为云图案场景，之后9.00秒切换为多个小权限窗口，标牌消失。选择8.25秒作为关键帧，标牌文字、边界和投影清晰完整，无遮挡。","start_frame":174,"end_frame":216,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[177.08,111.11,388.54,241.67],"positive_points":[[186.46,126.85],[208.85,175.93],[295.83,166.67],[372.4,213.89],[385.42,185.19],[260.42,236.11]],"negative_points":[[161.46,166.67],[286.46,87.96],[406.25,185.19],[416.67,277.78]],"evidence":"目标是权限对话框上方写有“Clicked”的洋红色牌子。边界框紧贴牌面及其右侧、底部阴影，包含文字，不含下方对话框。正点分布于牌面、字形和阴影，负点位于牌外背景及下方对话框。"}},{"name":"Pack kingdom permission dialog","description":"Centered desktop dialog titled “permission”, with a warning triangle and “Agent wants to: pack kingdom --all”, offering Always allow, Allow once, and Deny choices.","membership":"Include the complete dialog surface, title bar, boundary, shadow, warning icon, request text, and all controls. Exclude the desktop shortcuts, Clicked placard, and labeled pointer.","id":"obj_018","temporal":{"status":"found","start_s":7.25,"end_s":9.0,"reference_s":8.5,"evidence":"目标是居中的“permission”对话框，包含警告三角形、“Agent wants to: pack kingdom --all”请求及三个授权控件。7.25秒首帧的完整窗体、边界和控件已建立，按钮文字后续变化不影响窗体成立；最后 qualifying 帧为8.75秒。此前7.0秒仍是云图形场景，之后9.0秒已替换为请求读取收件箱的其他对话框。选择8.5秒，因窗体完整清晰、所有按钮文字齐全，便于排除桌面快捷方式、Clicked标牌和指针。","start_frame":174,"end_frame":216,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[200,250,805.2,851.9],"positive_points":[[441.7,282.4],[249,403.7],[462.5,417.6],[405.2,585.2],[296.9,770.4],[722.9,770.4]],"negative_points":[[282.3,173.1],[54.2,453.7],[530.7,663.9],[864.6,509.3]],"evidence":"根据“permission”标题、打包 kingdom 的请求和三个授权选项确定目标。边界框覆盖完整对话框、标题栏、边框及右下阴影；正点分布在标题栏、警告图标、请求文字和三个按钮上。负点位于 Clicked 牌、桌面快捷方式、排除的白色指针及对话框外桌面。"}},{"name":"ALWAYS ALLOW control","description":"Oversized yellow approval button occupying the center of the pack-kingdom permission dialog, progressively revealing “ALWAYS ALLOW”.","membership":"Include the button face, border, shadow, glossy highlight, and lettering. Exclude the surrounding dialog and pointer.","id":"obj_019","temporal":{"status":"found","start_s":7.25,"end_s":9.0,"reference_s":8.5,"evidence":"目标是“pack kingdom --all”权限对话框中央的 oversized 黄色批准按钮。7.25秒按钮面、边框、阴影和高光已完整建立，随后“ALWAYS ALLOW”文字逐步显现，不影响按钮结构的成立；最后 qualifying 帧为8.75秒。此前7.00秒是云朵场景，尚无该按钮；9.00秒已切换为多个小权限弹窗，原按钮消失。选择8.50秒作关键帧，按钮轮廓清晰且完整文字可见。","start_frame":174,"end_frame":216,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[220.83,485.19,785.42,672.22],"positive_points":[[242.19,520.37],[299.48,578.7],[471.35,568.52],[713.54,526.85],[750,638.89],[651.04,666.67]],"negative_points":[[531.25,657.41],[598.96,425.93],[296.88,770.37],[723.96,768.52]],"evidence":"目标是权限对话框中央写有“ALWAYS ALLOW”的大型黄色按钮。边界框紧贴按钮面、边框及右下阴影，包含高光和文字，不包含周围对话框或指针。正点分布在高光、按钮面、文字和阴影上；负点位于白色指针、上方对话框背景及下方两个其他按钮上。"}},{"name":"Inbox desktop shortcut","description":"Envelope-shaped desktop shortcut labeled “inbox” at the upper left of the permission scenes.","membership":"Include the envelope icon and its label with the small label backing. Exclude neighboring shortcuts and the desktop background.","id":"obj_020","temporal":{"status":"found","start_s":7.25,"end_s":10.5,"reference_s":8.5,"evidence":"目标是权限场景左上角的信封形桌面快捷方式，包含“inbox”标签及其浅色底板。首个合格帧为7.25秒，最后一个为10.25秒，期间持续完整可见；此前7.00秒仍是云端图形场景，尚无该快捷方式，之后10.50秒切换到邮件摘要场景，快捷方式消失。选择8.50秒作为关键帧，图标和标签清晰完整，无遮挡，且与下方其他快捷方式分离。","start_frame":174,"end_frame":252,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[32.81,150,75.52,246.3],"positive_points":[[38.02,170.37],[54.17,175.93],[70.05,184.26],[39.06,226.85],[54.69,232.41],[71.35,240.74]],"negative_points":[[23.44,175.93],[85.42,225],[53.65,312.96],[106.25,169.44]],"evidence":"目标是画面左上角标有“inbox”的信封桌面快捷方式。边界框紧贴信封图标及下方文字和浅色标签底板；正点分布于信封轮廓与标签，负点位于外围桌面背景和下方 cloud 快捷方式上。"}},{"name":"Cloud desktop shortcut","description":"Black folder shortcut labeled “cloud”, below the inbox shortcut in the left desktop column.","membership":"Include the folder icon and its label with the small label backing. Exclude neighboring shortcuts and the desktop background.","id":"obj_021","temporal":{"status":"found","start_s":7.25,"end_s":10.5,"reference_s":8.5,"evidence":"目标是桌面左侧快捷方式列中、inbox 下方的黑色文件夹图标及带浅色底板的“cloud”标签。首个合格帧为 7.25 秒，最后一个为 10.25 秒，期间持续完整可见；此前 7.00 秒显示的是云形图案而非桌面快捷方式，此后 10.50 秒切换到邮件摘要场景，目标消失。选择 8.50 秒作为关键帧，图标和标签清晰完整，无遮挡且易与相邻快捷方式区分。","start_frame":174,"end_frame":252,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[32.81,290.74,75,385.19],"positive_points":[[40.63,297.22],[65.1,307.41],[48.44,325],[38.02,365.74],[56.77,368.52],[71.35,378.7]],"negative_points":[[54.17,170.37],[52.08,450],[92.19,323.15],[18.75,371.3]],"evidence":"目标是左侧桌面栏中位于 inbox 下方、标有“cloud”的黑色文件夹快捷方式。边界框包含文件夹图标、cloud 标签及其浅色小底板。正点分布在图标和标签区域；负点位于相邻的 inbox、kingdom 图标及外围桌面背景。"}},{"name":"Kingdom desktop shortcut","description":"Black folder shortcut labeled “kingdom”, below the cloud shortcut in the left desktop column.","membership":"Include the folder icon and its label with the small label backing. Exclude neighboring shortcuts and the desktop background.","id":"obj_022","temporal":{"status":"found","start_s":7.25,"end_s":10.5,"reference_s":8.5,"evidence":"目标是桌面左侧图标列中、cloud 下方的黑色文件夹及带浅色底板的“kingdom”标签。首次完整出现于 7.25 秒，最后符合条件的帧为 10.25 秒；前一帧 7.00 秒仍是云朵动画，没有该快捷方式，后一帧 10.50 秒切换为邮件摘要场景，快捷方式消失。选择 8.50 秒作为关键帧，图标和标签完整清晰，且未被弹窗遮挡。","start_frame":174,"end_frame":252,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[22.4,430.6,85.9,524.1],"positive_points":[[41.7,439.8],[64.6,444.4],[53.1,465.7],[28.6,505.6],[52.1,509.3],[80.2,513.0]],"negative_points":[[52.1,314.8],[52.1,591.7],[96.4,461.1],[52.1,546.3]],"evidence":"目标是左侧桌面栏中位于 cloud 下方、标有“kingdom”的黑色文件夹快捷方式。边界框覆盖文件夹图标及完整标签和浅色标签底板；正点分布于图标与标签，负点位于相邻 cloud、keys 图标及外围桌面背景。"}},{"name":"Keys desktop shortcut","description":"Black key-shaped shortcut labeled “keys” at the bottom of the left desktop column.","membership":"Include the key icon and its label with the small label backing. Exclude neighboring shortcuts and the desktop background.","id":"obj_023","temporal":{"status":"found","start_s":7.25,"end_s":10.25,"reference_s":8.5,"evidence":"目标是桌面左侧快捷方式列底部的黑色钥匙图标及带浅色底板的“keys”标签。首个完整呈现帧为7.25秒，最后完整可见帧为10.00秒；此前7.00秒是云图形场景，尚无该快捷方式，随后10.25秒大型“LOUD”窗口遮住其所在区域。选择8.50秒作为关键帧，图标和标签完整清晰，且与邻近快捷方式容易区分。","start_frame":174,"end_frame":246,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[36.46,574.07,71.88,662.96],"positive_points":[[38.54,589.81],[56.77,588.89],[68.75,601.85],[40.63,634.26],[52.08,647.22],[68.23,657.41]],"negative_points":[[23.44,592.59],[86.46,638.89],[55.73,694.44],[54.69,453.7]],"evidence":"目标是左侧桌面栏最下方的黑色钥匙图标及“keys”标签。边界框紧贴图标和标签浅色底板的整体范围。正点分布在钥匙环、柄、齿及标签区域；负点位于周围桌面背景和上方的 kingdom 文件夹图标，排除其他快捷方式。"}},{"name":"Cascading permission prompts","description":"Compact permission prompt that expands into a diagonal stack of overlapping dialogs. Visible requests include “read your inbox”, “open the cloud”, and “forward mail”, with Deny, Allow once, and Always allow controls.","membership":"Include the complete stacked-dialog graphic: each visible window surface, boundary, title bar, shadow, request, warning icon, and control. Exclude the desktop shortcuts, agent character, approval statistic, and settings editor.","id":"obj_024","temporal":{"status":"found","start_s":9.0,"end_s":10.25,"reference_s":10.0,"evidence":"目标是从紧凑权限弹窗扩展成的对角重叠窗口组，包含警告图标、请求及 Deny、Allow once、Always allow 控件。首个合格帧为9.00秒，末个为10.00秒；此前8.75秒仍是独立的“pack kingdom --all”弹窗，之后10.25秒新增的巨大“LOUD”前层窗口越过画面底边，窗口组不再完整呈现。选择10.00秒作关键帧，层叠边界清楚，“forward mail”等请求及控件可辨，便于排除旁边的统计、角色和编辑器。","start_frame":216,"end_frame":246,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[129.2,88.9,739.1,779.6],"positive_points":[[208.3,648.1],[425.5,728.7],[364.6,438.0],[477.6,343.5],[567.7,245.4],[593.8,134.3]],"negative_points":[[54.7,454.6],[844.8,260.2],[854.2,507.4],[781.3,820.4]],"evidence":"目标是从左下向右上层叠的权限对话框，最前方可见“forward mail”和允许按钮。边界框覆盖全部可见窗口、标题栏、请求内容、控件及阴影。正点分布在前景窗口、按钮和后方各层窗口表面；负点位于桌面快捷方式、代理角色、批准率统计和设置编辑器上。"}},{"name":"Agent speech-bubble character, desktop appearance","description":"Lavender speech-bubble character returning at the upper right beside the repeated permission prompts, initially with a tense face. It later appears smiling beside the email summary.","membership":"Include the bubble body and tail, outline, facial features, indicator dot, and associated brace-shaped arms. Exclude the permission windows, summary panel, celebratory lettering, and adjacent badge.","id":"obj_025","temporal":{"status":"found","start_s":9.0,"end_s":14.0,"reference_s":11.0,"evidence":"目标是桌面右上方的淡紫色 speech-bubble 角色，包括尾部、轮廓、面部、指示点及花括号状双臂；最初在重复权限弹窗旁表情紧张，随后在邮件摘要旁微笑。首个完整帧为9.00秒，最后 qualifying 帧为13.75秒。此前8.75秒仅有权限窗口，没有该角色；之后14.00秒切换为发件箱，角色消失。选择11.00秒作为关键帧，其身体、尾部和双臂清楚，且没有庆祝字母遮挡。","start_frame":216,"end_frame":336,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[537.5,442.6,826.6,720.4],"positive_points":[[548.4,553.7],[813.5,557.4],[647.9,488.0],[682.3,584.3],[753.6,473.1],[620.8,690.7]],"negative_points":[[468.8,361.1],[859.4,555.6],[677.1,777.8],[567.7,703.7]],"evidence":"目标是邮件摘要面板右下方微笑的淡紫色对话气泡角色。边界框覆盖气泡主体、尾尖、轮廓、五官、粉色指示点和左右花括号手臂。正点分布于双臂、主体、嘴部、指示点及尾部；负点位于摘要面板和角色外围背景，避开角色内部空隙。"}},{"name":"Approval statistic","description":"Small bordered white readout on the right reading “approved: 93%”.","membership":"Include the readout surface, border, shadow, and complete label-value text. Exclude the character above and settings editor below.","id":"obj_026","temporal":{"status":"found","start_s":9.0,"end_s":10.5,"reference_s":9.5,"evidence":"目标是画面右侧写有“approved: 93%”的小型白色读数框，包含黑色边框及阴影，不含上方角色和下方编辑器。首个合格帧为9.00秒，末个为10.25秒，期间持续完整可见。前一帧8.75秒仍是权限对话框，没有该读数框；后一帧10.50秒已切换为邮件摘要场景，目标消失。选择9.50秒为关键帧，读数框轮廓和文字清晰，无遮挡。","start_frame":216,"end_frame":252,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[773.96,472.22,983.33,540.74],"positive_points":[[777.6,480.6],[797.4,507.4],[858.3,505.6],[938,499.1],[972.9,525.9],[911.5,538]],"negative_points":[[845.8,268.5],[806.25,804.6],[739.6,510.2],[906.25,592.6]],"evidence":"目标是右侧显示“approved: 93%”的白色读数框。边界框覆盖完整底面、边框、文字及右下阴影；正点分布于底面、标签、数值和阴影，负点位于上方角色、下方设置编辑器及读数框外的背景。"}},{"name":"settings.json editor","description":"Small white editor window at the lower right with a dark “settings.json” title bar, progressively revealing the setting name “chat.tools.autoApprove”.","membership":"Include the editor surface, boundary, title bar, shadow, window controls, and displayed text. Exclude the blinking caret and neighboring permission stack.","id":"obj_027","temporal":{"status":"found","start_s":9.0,"end_s":10.5,"reference_s":10.25,"evidence":"目标为右下角带深色“settings.json”标题栏的白色编辑器窗口，包含边框、阴影和窗口控件。9.0秒窗口结构已完整建立，内部设置文本随后逐步显示；最后符合条件的帧为10.25秒。此前8.75秒仅有权限对话框，尚无编辑器；此后10.5秒已切换为邮件摘要场景，编辑器消失。选择10.25秒作为关键帧，因为窗口完整无遮挡，且“chat.tools.autoApprove”: true 已清晰显示。","start_frame":216,"end_frame":252,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[600,722.22,960.42,907.41],"positive_points":[[645.83,743.52],[613.54,869.44],[770.83,800],[919.27,862.96],[930.73,742.59],[958.33,887.04]],"negative_points":[[520.83,787.04],[770.83,657.41],[973.96,833.33],[660.42,847.22]],"evidence":"目标是右下角标题为“settings.json”的白色编辑器。框覆盖编辑器表面、边界、深色标题栏、窗口控件、显示文字及右下阴影。正点分布于这些组成部分；负点位于左侧权限窗口堆叠、编辑器外部背景及明确排除的粉色闪烁光标上。"}},{"name":"Email summary panel","description":"White bordered panel titled “Summary of 48 emails”. Its large text develops into “It summarized your emails, did a great job too”, above bullets about an offsite, a flan recipe, a login code, and an invoice.","membership":"Include the panel surface, title bar, border, shadow, title controls, large text, bullets, and lower warning banner. Exclude the overlapping agent character, confetti, and separate praise badge; selection and caret effects are not part of the text.","id":"obj_028","temporal":{"status":"found","start_s":10.5,"end_s":14.0,"reference_s":13.75,"evidence":"目标是标题为“Summary of 48 emails”的白色邮件摘要面板，包含边框、阴影、正文、项目符号及后来出现的底部警告栏。10.50秒主窗口结构已完整建立，内部文字继续输入不影响纳入；最后合格帧为13.75秒。前一帧10.25秒显示权限弹窗和设置窗口，后一帧14.00秒已替换为OUTBOX面板。选择13.75秒作为关键帧，正文、列表及警告栏均清楚可见，面板轮廓明确；重叠角色、彩纸和独立表扬徽章不属于目标。","start_frame":252,"end_frame":336,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[50,92.6,635.4,943.5],"positive_points":[[337,123],[520,240],[134,342],[220,603],[442,835],[569,909]],"negative_points":[[686,556],[550,558],[854,276],[677,837]],"evidence":"目标是标题为“Summary of 48 emails”的大型邮件摘要面板。边界框覆盖面板表面、标题栏、边框及阴影，并包含大字摘要、项目列表和底部警告横幅。正点分布在标题、正文、列表、警告及面板表面；负点位于重叠角色及其左侧括号、独立黄色表扬徽章和面板外背景，排除这些非目标元素。"}},{"name":"Password-compromise warning","description":"Magenta-bordered warning inside the bottom of the email summary, reading “WARNING: YOUR PASSWORD HAS BEEN COMPROMISED. CALL” followed by obscured information.","membership":"Include the banner surface, border, shadow, warning lettering, and visible redaction blocks. Exclude the rest of the summary panel.","id":"obj_029","temporal":{"status":"found","start_s":12.5,"end_s":14.0,"reference_s":12.75,"evidence":"目标是邮件摘要底部的洋红色边框警告横幅，包含底色、阴影、“WARNING: YOUR PASSWORD HAS BEEN COMPROMISED. CALL”文字及黑色遮挡块。首个完整帧为12.50秒，最后 qualifying 帧为13.75秒；此前12.25秒的摘要中尚无横幅，此后14.00秒已切换至OUTBOX界面。选择12.75秒作为关键帧，横幅完整清晰且无遮挡。","start_frame":300,"end_frame":336,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[72.9,764.8,606.3,893.5],"positive_points":[[74.2,794.4],[104.2,803.7],[318.8,846.3],[520.8,819.4],[463.5,882.4],[562.5,889.8]],"negative_points":[[510.4,722.2],[60.4,833.3],[338.5,911.1],[617.2,824.1]],"evidence":"目标是邮件摘要底部的洋红边框密码泄露警告横幅。框选覆盖横幅底色、边框、黑色阴影、警告文字及遮挡信息的黑块。正点分布在这些组成部分上，负点位于横幅外的摘要面板区���。"}},{"name":"GREAT JOB TOO badge","description":"Yellow starburst-shaped praise badge at the upper right of the completed email summary.","membership":"Include the starburst's true outline, enclosed yellow surface, shadow, and “GREAT JOB TOO” lettering. Exclude surrounding confetti and the agent character.","id":"obj_030","temporal":{"status":"found","start_s":13.0,"end_s":14.0,"reference_s":13.0,"evidence":"目标是邮件摘要右上方写有“GREAT JOB TOO”的黄色星爆形徽章，具有完整轮廓和黑色阴影。首个合格帧为13.00秒，最后一个为13.75秒；前一帧12.75秒尚无徽章，后一帧14.00秒已切换到OUTBOX场景，徽章消失。选择13.00秒为关键帧，徽章完整清晰，未被彩屑或角色遮挡。","start_frame":312,"end_frame":336,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[729.2,136.1,982.8,429.6],"positive_points":[[867.7,166.7],[755.2,308.3],[838.5,400],[932.3,346.3],[786.5,269.4],[859.4,307.4]],"negative_points":[[708.3,250],[942.7,444.4],[677.1,546.3],[906.3,688.9]],"evidence":"目标是图像右上方写有“GREAT JOB TOO”的黄色爆炸形徽章。边界框紧贴星芒轮廓及右下方黑色阴影，包含黄色内部和全部文字。六个正点分布于不同方向的黄色表面及文字上；负点位于徽章外的背景、下方角色和散落字符处。"}},{"name":"Forwarding subject headline","description":"Large magenta subject text beneath “Subject:” in the outbox scene, progressively revealing “Fwd: the goo”.","membership":"Include the Subject label and the associated developing subject text as one reading unit. Exclude the insertion caret, horizontal divider, email list, and outbox window background.","id":"obj_031","temporal":{"status":"found","start_s":14.0,"end_s":15.75,"reference_s":15.25,"evidence":"目标是发件箱内“Subject:”标签及其下方的大号洋红色主题文字，不含光标。14.00秒首次完整显示初始文字“Then”，随后同一阅读单元更新并逐步显示“Fwd: the goo”等内容；最后符合帧为15.50秒。前一帧13.75秒仍是邮件摘要，后一帧15.75秒已换成撰写窗口及较小的主题行。选择15.25秒，因为目标位置清晰、无遮挡，且显示描述中的“Fwd: the goo”。","start_frame":336,"end_frame":378,"reference_frame":366},"grounding":{"status":"found","bbox_xyxy":[76.04,180.56,370.31,320.37],"positive_points":[[80.73,187.96],[163.02,195.37],[85.42,268.52],[128.65,287.04],[208.33,263.89],[364.58,278.7]],"negative_points":[[375,268.52],[500,335.19],[111.98,386.11],[440.63,250]],"evidence":"目标位于发件箱顶部，包含黑色“Subject:”标签及下方洋红色“Fwd: the goo”文字。边界框紧贴这两部分文字，不包含右侧插入光标。六个正点分布于标签和标题的字形笔画上；负点位于插入光标、水平分隔线、下方BCC区域及右侧窗口背景。"}},{"name":"Outbox message list","description":"Stack of outlined email rows containing subjects including “Re: Q3 plan”, “your one-time code”, “Invitation: sync @ 3pm”, “taxes_2026.pdf”, “Offsite moved to Thu”, and “passwords_old.xlsx”.","membership":"Include the row surfaces, borders, envelope icons, magenta row-edge markers, and subject text. Exclude the full-screen outbox window, heading, version annotation, and independently overlaid BCC callouts.","id":"obj_032","temporal":{"status":"found","start_s":14.0,"end_s":15.75,"reference_s":14.0,"evidence":"目标是由六条带边框邮件行组成的列表，包含“Re: Q3 plan”“your one-time code”等主题，以及信封图标和洋红色行边标记；不包括外层窗口及独立的 BCC 浮层。首次完整出现于14.00秒，最后一个符合条件的采样帧为15.50秒，中途 BCC 浮层仅造成局部遮挡。前一帧13.75秒仍是邮件摘要页面，后一帧15.75秒已替换为邮件撰写窗口。选择14.00秒作为关键帧，因为六行完整清晰且没有 BCC 浮层遮挡。","start_frame":336,"end_frame":378,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[75.5,358.3,636,813.9],"positive_points":[[232.3,391.7],[463.5,466.7],[313,549.1],[79.7,623.1],[516.1,704.6],[212.5,782.4]],"negative_points":[[130.2,272.2],[734.4,584.3],[692.7,759.3],[364.6,870.4]],"evidence":"根据六个指定邮件主题识别出邮件列表。边界框紧贴六行的整体外缘，覆盖行表面、边框、信封图标、洋红色侧标和主题文字。六个正点分别分布在各行的文字、表面或侧标上；负点位于上方标题、右侧版本注释及列表外的窗口背景，排除整个窗口和其他注释。"}},{"name":"BCC passwords callout","description":"Magenta dashed callout over the password-spreadsheet row, with a filled “BCC:” block, an envelope icon, and “passwords_old.xlsx”.","membership":"Include the callout's own backing, dashed perimeter, BCC block, envelope, and text. Exclude underlying email rows outside its region and other BCC callouts.","id":"obj_033","temporal":{"status":"found","start_s":14.25,"end_s":14.5,"reference_s":14.25,"evidence":"14.25秒可见完整的洋红色虚线标注框，包含实色“BCC:”块、信封图标及“passwords_old.xlsx”文字，符合目标。此次连续出现的首帧和末帧均为14.25秒；前一帧14.00秒没有该标注，后一帧14.50秒已替换为“taxes_2026.pdf”的BCC标注。选择14.25秒为关键帧，因为目标结构完整、文字清晰且无遮挡。","start_frame":342,"end_frame":348,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[58.9,648.1,590.1,757.4],"positive_points":[[123,699],[202,699],[257,704],[393,704],[538,706],[341,735]],"negative_points":[[246,623],[265,784],[615,702],[730,770]],"evidence":"目标是覆盖密码表格邮件行的洋红色虚线标注，内含实心“BCC:”块、信封图标及“passwords_old.xlsx”。边界框紧贴其虚线外围，包含自身底板及全部内容。正点分布于标签、图标、文件名和底板；负点位于上方税务邮件行、下方密码邮件行、右侧未覆盖的行区域及外部背景。"}},{"name":"Version and one-line annotation","description":"Right-side annotation showing “1.0.15” and “1.0.16” with checkmarks, above the underlined words “one line”.","membership":"Include the version numbers, associated checkmarks, “one line” text, and its underline. Exclude the outbox background and email rows.","id":"obj_034","temporal":{"status":"found","start_s":14.0,"end_s":15.75,"reference_s":15.0,"evidence":"目标是 OUTBOX 窗口右侧的“1.0.15”“1.0.16”及勾号，以及下方带下划线的“one line”。首个完整呈现帧为14.00秒，最后 qualifying 帧为15.50秒；此前13.75秒仍为邮件摘要页面，之后15.75秒切换至邮件撰写窗口，目标消失。选择15.00秒作为关键帧，整组标注清晰完整且无遮挡。","start_frame":336,"end_frame":378,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[677.6,563.0,942.7,665.7],"positive_points":[[686.5,578.7],[781.8,587.0],[841.1,578.7],[931.3,587.0],[681.8,636.1],[729.2,663.0]],"negative_points":[[729.2,510.2],[807.3,709.3],[572.9,625.9],[953.1,601.9]],"evidence":"目标位于图像右侧，包含版本号“1.0.15”和“1.0.16”、对应勾号，以及下方“one line”和粉色下划线。边界框紧贴整组标注；六个正点分布在版本数字、两个勾号、文字和下划线上，负点位于标注外背景及左侧邮件行，排除这些非目标区域。"}},{"name":"BCC one-time-code callout","description":"Magenta dashed callout appearing over the upper email rows, reading “BCC: your one-time code” beside an envelope icon.","membership":"Include the callout's backing, dashed perimeter, BCC block, envelope, and text. Exclude underlying rows outside its region and the other BCC callouts.","id":"obj_035","temporal":{"status":"found","start_s":14.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是覆盖上部邮件行的洋红色虚线标注，包含“BCC:”色块、信封图标和“your one-time code”文字。此次连续出现的首末合格帧均为14.75秒，结构完整清晰；前一帧14.50秒仅见税务文件BCC标注，后一帧15.00秒目标已消失，显示的是密码及税务文件标注。选择14.75秒作为关键帧，目标无遮挡且易与其他BCC标注区分。","start_frame":354,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[58.3,337,590.1,446.3],"positive_points":[[89.1,360.2],[201.6,386.1],[261.5,397.2],[527.6,394.4],[566.7,421.3],[588.5,368.5]],"negative_points":[[302.1,471.3],[119.8,777.8],[619.8,390.7],[234.4,281.5]],"evidence":"目标是上方写有“BCC: your one-time code”的洋红色虚线提示框。边界框紧贴其虚线外围，包含底板、BCC色块、信封和文字。正点分布在这些组成部分及右侧底板、虚线上；负点位于下方邮件行、另一处BCC提示框、右侧框外区域及上方主题文字。"}},{"name":"BCC tax-document callout","description":"Magenta dashed callout above the one-time-code callout, reading “BCC: taxes_2026.pdf” beside an envelope icon.","membership":"Include the callout's backing, dashed perimeter, BCC block, envelope, and text. Exclude underlying email rows outside its region and other callouts.","id":"obj_036","temporal":{"status":"found","start_s":15.0,"end_s":15.5,"reference_s":15.25,"evidence":"目标是带洋红色虚线边框、BCC 色块、信封图标及“taxes_2026.pdf”文字的完整标注框。本次连续出现的首帧为15.00秒，末帧为15.25秒；14.75秒仅见验证码和密码文件标注框，15.50秒这些标注框均已消失。选择15.25秒为关键帧，此时目标完整清晰，位于一次性验证码标注框上方，便于区分。","start_frame":360,"end_frame":372,"reference_frame":366},"grounding":{"status":"found","bbox_xyxy":[58.9,337.0,520.8,420.4],"positive_points":[[106.3,381.5],[216.1,390.7],[263.5,392.6],[376.0,391.7],[476.6,389.8],[442.7,339.1]],"negative_points":[[125.0,467.6],[383.9,471.3],[285.4,624.1],[572.9,389.8]],"evidence":"目标是上方标有“BCC: taxes_2026.pdf”的洋红色虚线框。边界框覆盖其底板、虚线周界、BCC色块、信封和完整文字。正点分布于色块、信封、文件名及上边虚线；负点位于下方验证码框、底层邮件行和目标右侧区域。"}},{"name":"Forwarded email compose panel","description":"Independent Compose window with a recipient field, the subject “Fwd: the good ones”, three listed attachments, and a black Send button. The recipient changes from the user's address toward “someone who isn't you”.","membership":"Include the complete compose surface, boundary, title bar, shadow, controls, recipient area, suggestion chip, divider rules, subject, attachment listing, and Send button. Exclude the surrounding scene and labeled pointer.","id":"obj_037","temporal":{"status":"found","start_s":15.75,"end_s":17.25,"reference_s":15.75,"evidence":"目标为带 Compose 标题栏、收件人及建议地址条、主题“Fwd: the good ones”、三个附件和黑色 Send 按钮的独立邮件窗口。首个合格帧为15.75秒，最后合格帧为17.00秒；此前15.50秒仍为 OUTBOX 列表，之后17.25秒窗口放大右移，右侧边界已被画面裁切。选择15.75秒作为关键帧，窗口及阴影完整、内容清楚，标注指针可与窗口区分。","start_frame":378,"end_frame":414,"reference_frame":378},"grounding":{"status":"found","bbox_xyxy":[69.79,138.89,935.42,751.85],"positive_points":[[121.88,160.19],[729.17,277.78],[312.5,365.74],[286.46,478.7],[359.38,568.52],[625,667.59]],"negative_points":[[929.69,376.85],[953.13,421.3],[520.83,92.59],[500,833.33]],"evidence":"根据 Compose 标题、收件人建议条、“Fwd: the good ones”主题、三个附件及黑色 Send 按钮识别窗口。边框覆盖完整撰写面板、标题栏、内部控件及右下阴影。正点分布于标题栏、面板表面、建议条、主题、附件和发送按钮；负点位于被排除的指针及其标签，以及窗口上下的外部背景。"}},{"name":"Changing email recipient","description":"Large “To:” field at the top of the compose panel, initially “you@example.com” and then progressively replaced by magenta “someone who isn't” text.","membership":"Include the To label and currently displayed recipient glyphs. Exclude the blinking caret, recipient suggestion chip below, compose surface, and pointer.","id":"obj_038","temporal":{"status":"found","start_s":15.75,"end_s":18.25,"reference_s":15.75,"evidence":"目标是撰写面板顶部的大号“To:”及当前收件人字形，不含下方建议标签、光标或指针。15.75秒首次完整显示“To: you@example.com”，随后字形持续变为洋红色“someone who isn't”等内容，属于同一收件人字段的内容变化；18.00秒为最后 qualifying 帧。前一帧15.50秒仍是发件箱列表，没有该字段；后一帧18.25秒已切换到结账页面，目标消失。选择15.75秒作为关键帧，因为文字完整清晰、无遮挡，便于与下方建议标签区分。","start_frame":378,"end_frame":438,"reference_frame":378},"grounding":{"status":"found","bbox_xyxy":[88.5,230.6,526.6,305.6],"positive_points":[[100.5,239.8],[120.8,268.5],[183.3,259.3],[277.1,265.7],[398.4,263.0],[518.8,272.2]],"negative_points":[[312.5,367.6],[572.9,273.1],[322.9,206.5],[273.4,475.9]],"evidence":"目标是撰写面板顶部的大号“To: you@example.com”。边界框紧贴标签和当前收件人全部字形；六个正点分布在标签及邮箱地址的笔画上。负点位于下方收件人建议条、主题文字及文字外的面板背景，排除建议条、指针和其他界面内容。"}},{"name":"Original recipient suggestion","description":"Bordered suggestion chip beneath the To field, containing a yellow circular marker and “you@example.com (me)”; it is later crossed out.","membership":"Include the chip surface, boundary, shadow, yellow marker, and text. Exclude the added magenta strike-through and the changing To field above.","id":"obj_039","temporal":{"status":"found","start_s":15.75,"end_s":18.25,"reference_s":16.0,"evidence":"目标是 To 字段下方带边框和阴影的收件人建议芯片，内含黄色圆点及“you@example.com (me)”。首个合格帧为15.75秒，最后为18.00秒；后期新增的品红删除线不属于目标，也未终止芯片的持续出现。前一帧15.50秒仍是 OUTBOX 列表，没有该芯片；后一帧18.25秒已切换为结账清单，芯片消失。选择16.00秒作为关键帧，此时芯片完整清晰且尚未被删除线遮挡。","start_frame":378,"end_frame":438,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[177.6,331.5,501,404.6],"positive_points":[[198.4,364.8],[233.9,365.7],[310.4,360.2],[404.2,368.5],[459.4,364.8],[491.1,388.9]],"negative_points":[[156.3,361.1],[541.7,363],[509.4,268.5],[297.9,477.8]],"evidence":"目标是 To 输入行下方带黄色圆点和“you@example.com (me)”的建议条。边框覆盖完整条目表面、边界及右下阴影；正点分布于圆点、文字和条目表面，负点位于左右外部背景、上方收件人输入文字及下方主题文字。"}},{"name":"Send button","description":"Black rectangular Send control with a white upward arrow in the lower portion of the compose panel.","membership":"Include the button face, boundary, shadow, “Send” lettering, and arrow icon. Exclude the rest of the compose panel.","id":"obj_040","temporal":{"status":"found","start_s":15.75,"end_s":18.25,"reference_s":16.0,"evidence":"目标是撰写邮件面板下方的黑色“Send”按钮，包含白色向上箭头、边框及阴影。首个完整可见帧为15.75秒，最后 qualifying 帧为18.00秒，期间按钮持续完整显示。前一帧15.50秒仍为发件箱列表，尚无该按钮；后一帧18.25秒已切换为结账页面，按钮消失。选择16.00秒作为关键帧，因为按钮清晰、无遮挡且与周围面板易于区分。","start_frame":378,"end_frame":438,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[561.98,614.81,698.44,718.52],"positive_points":[[570.31,630.56],[587.5,662.04],[627.6,663.89],[665.1,662.04],[686.46,693.52],[604.17,713.89]],"negative_points":[[520.83,662.04],[729.17,659.26],[625,583.33],[630.21,731.48]],"evidence":"目标是撰写面板下方带白色“Send”文字和向上箭头的黑色按钮。边界框紧贴按钮主体及右侧、底部阴影；六个正点分布于按钮表面、文字、箭头和阴影，四个负点位于按钮四周的面板背景上。"}},{"name":"PRIVATE DATA heading","description":"Large black uppercase title at the upper left of the confirmation checkout, progressively revealing “PRIVATE DATA”.","membership":"Include only the title glyphs. Exclude the insertion caret, checkout navigation, checklist, and order summary.","id":"obj_041","temporal":{"status":"found","start_s":19.0,"end_s":19.75,"reference_s":19.0,"evidence":"目标是确认结账页面左上方黑色大写标题“PRIVATE DATA”，仅计标题字形，不含光标。19.0秒首次完整显示，19.5秒为最后符合帧；此前18.75秒仍是未完成的“PRIVATE D”，此后19.75秒已替换为下一标题的“U”。选择19.0秒为关键帧，因为标题完整清晰且无遮挡。","start_frame":456,"end_frame":474,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[47.9,178.7,398.4,258.3],"positive_points":[[54.2,221.3],[120.8,226.9],[180.2,235.2],[241.1,249.1],[277.6,225],[382.8,231.5]],"negative_points":[[225,110.2],[182.3,383.3],[418.8,215.7],[222.4,290.7]],"evidence":"目标是左上方大号黑色全大写“PRIVATE DATA”标题。边界框紧贴整行标题字形；六个正点分布在标题各处的黑色笔画上，四个负点位于上方导航、下方清单文字及标题外部空白，排除其他界面元素。"}},{"name":"Private-data access checklist item","description":"First bordered confirmation row reading “Access to your private data”. Its empty checkbox becomes checked and its row turns magenta; the text and checked box later sit beside the trifecta diagram.","membership":"Include the row surface and boundary while present, its checkbox, checkmark, and complete label. Follow the checkbox and label when the row backing separates away. Exclude selection highlighting, pointers, and the separately presented overlapping-frame diagram.","id":"obj_042","temporal":{"status":"found","start_s":18.25,"end_s":24.25,"reference_s":20.75,"evidence":"目标是首行“Access to your private data”，包含行边框、底色、复选框及标签。18.25秒首次完整出现；随后勾选并变为洋红色，行底板分离后继续跟随同一复选框和标签，最后 qualifying 帧为24.00秒。前一帧18.00秒仍是邮件撰写窗口，尚无该条目；后一帧24.25秒条目已消失，改为中央按钮。选择20.75秒作关键帧，此时整行完整清晰，勾选状态明确，目标没有文字选择高亮或指针遮挡。","start_frame":438,"end_frame":582,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[44.79,324.07,682.29,453.7],"positive_points":[[71.35,395.37],[179.17,379.63],[343.75,384.26],[503.13,378.7],[619.79,399.07],[262.5,421.3]],"negative_points":[[358.33,259.26],[228.13,528.7],[775,466.67],[25,385.19]],"evidence":"目标是第一条洋红色确认行，标签为“Access to your private data”，左侧复选框已打勾。边界框覆盖整行底板、边界及投影、复选框、勾号和完整标签。正点分布在勾号、标签及行底板上；负点位于上方标题、下一条确认行、右侧订单摘要和左侧外部背景。"}},{"name":"Untrusted-content checklist item","description":"Second confirmation row reading “Exposure to untrusted content”, changing from an empty checkbox to a magenta checked state and later becoming a label beside the trifecta diagram.","membership":"Include the row surface and boundary while present, checkbox, checkmark, and full label. Follow the checkbox and label after the row backing separates away. Exclude text-selection effects, pointers, and the overlapping-frame diagram.","id":"obj_043","temporal":{"status":"found","start_s":18.25,"end_s":24.25,"reference_s":21.0,"evidence":"目标是第二行“Exposure to untrusted content”，包含行底板、边框、复选框及随后出现的勾选标记；底板分离后继续跟踪图示旁的复选框和完整标签。首个合格帧为18.25秒，前一帧18.0秒仍是邮件撰写窗口；最后合格帧为24.0秒，24.25秒该项目消失，被中央按钮取代。选择21.0秒作为关键帧，此时该行完整呈现洋红色勾选状态，边界清晰且无遮挡。","start_frame":438,"end_frame":582,"reference_frame":504},"grounding":{"status":"found","bbox_xyxy":[44.79,466.67,682.29,596.3],"positive_points":[[72.4,535.2],[126.6,518.5],[338.5,522.2],[522.4,524.1],[621.9,555.6],[416.7,484.3]],"negative_points":[[360,380],[365,664],[720,528],[35,710]],"evidence":"目标为第二条洋红色确认行，标签是“Exposure to untrusted content”。边框覆盖整行底板、边界及阴影、复选框、勾号和完整标签，不包含左侧叠加的文本选择光标。正点分布于勾号、标签和行底板；负点位于上方第一行、下方第三行及外部背景。"}},{"name":"External-communication checklist item","description":"Third confirmation row reading “The ability to externally communicate”, initially with blue underlined wording and later fully checked in magenta. Its label subsequently accompanies the trifecta diagram.","membership":"Include the row surface and boundary while present, checkbox, checkmark, and complete label including its text underline. Follow the label and checkbox after the row backing separates away. Exclude the telephone cord, pointers, selection effects, and overlapping-frame diagram.","id":"obj_044","temporal":{"status":"found","start_s":18.25,"end_s":24.25,"reference_s":19.5,"evidence":"目标是第三条确认项“The ability to externally communicate”，包含行框、复选框及完整标签，随后变为洋红色勾选状态，并延续为三要素图旁的标签和复选框。首个合格帧为18.25秒；前一帧18.00秒仍是邮件撰写窗口，没有该项。最后合格帧为24.00秒，24.25秒该项消失并被按钮画面替代。选择19.50秒作为关键帧，此时整行清晰完整，蓝色下划线可辨，且没有电话线遮挡。","start_frame":438,"end_frame":582,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[44.8,609.3,682.3,738.9],"positive_points":[[52.1,657.4],[122.4,657.4],[218.8,664.8],[416.7,663],[578.1,687],[625,714.8]],"negative_points":[[260.4,521.3],[520.8,385.2],[364.6,787],[781.3,671.3]],"evidence":"目标是第三条确认项，文字为“The ability to externally communicate”，后半部分为蓝色并带下划线。边界框覆盖整行底板、边框及阴影、左侧空复选框和完整标签。正点分布于复选框、标签、下划线和行内表面；负点位于上方其他确认项、下方背景及右侧订单面板。"}},{"name":"Confirmation order summary","description":"Tall bordered panel at the right of the confirmation checkout, listing “1 × KINGDOM”, the included data, a destination of “someone who isn’t you”, and the reduction from $76,000.00 to $1.00.","membership":"Include the complete panel surface, boundary, shadow, title bar, controls, dividers, product information, destination, and prices. Exclude the adjacent checklist and the external-request window that replaces it.","id":"obj_045","temporal":{"status":"found","start_s":18.25,"end_s":21.25,"reference_s":19.0,"evidence":"目标是确认结账页面右侧的高窄订单摘要面板，含“1 × KINGDOM”、数据清单、收件人“someone who isn’t you”以及从 $76,000.00 降至 $1.00 的价格。18.25 秒首次完整出现，21.00 秒为最后合格帧；之前的18.00 秒仍为邮件撰写窗口，之后的21.25 秒摘要面板开始压缩退出，并被外部请求窗口替换。选择19.00 秒作为关键帧，面板边框、阴影及内容清晰完整，无遮挡。","start_frame":438,"end_frame":510,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[729.17,162.96,971.88,950],"positive_points":[[796.88,180.56],[854.17,254.63],[796.88,354.63],[817.71,509.26],[781.25,674.07],[893.23,860.19]],"negative_points":[[572.92,525],[703.13,800.93],[885.42,111.11],[885.42,31.48]],"evidence":"目标是右侧带“order summary”标题的高竖订单面板，包含商品、数据说明、收件人及降价信息。边界框覆盖完整面板表面、标题栏、控件、边框和右下阴影。正点分布在标题、商品说明、目的地、面板空白表面和价格区域；负点位于左侧清单、面板外背景、上方时间徽标及页面顶栏。"}},{"name":"UNTRUSTED TEXT heading","description":"Large black uppercase title replacing the private-data heading, progressively revealing “UNTRUSTED TEXT”.","membership":"Include only the title glyphs. Exclude the insertion caret, checklist, navigation, and right-side panel.","id":"obj_046","temporal":{"status":"found","start_s":20.75,"end_s":21.25,"reference_s":20.75,"evidence":"目标为清单上方的大号黑色全大写标题“UNTRUSTED TEXT”，仅包含标题字形。20.75秒首次完整显示，21.00秒仍完整可见，为最后合格帧；此前20.50秒仅显示“UNTRUSTED TE”，尚未揭示完成，此后21.25秒已替换为新标题“A W”。选择20.75秒为关键帧，标题清晰完整且无遮挡。","start_frame":498,"end_frame":510,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[46.9,177.8,493.8,260.2],"positive_points":[[52.1,215.7],[89.6,210.2],[157.8,223.1],[241.1,195.4],[408.9,218.5],[478.6,222.2]],"negative_points":[[286.5,151.9],[359.4,287],[200.5,380.6],[827.1,250]],"evidence":"目标是画面左上方的大号黑色标题“UNTRUSTED TEXT”。边界框紧贴整行标题字形；六个正点分布在不同字母的黑色笔画上，负点位于标题上下的外部背景、下方清单文字及右侧订单面板文字上，均不包含在标题中。"}},{"name":"A WAY TO PHONE HOME heading","description":"Large heading replacing the untrusted-text title, with black “A WAY TO” followed by blue underlined “PHONE HOME”.","membership":"Include the heading glyphs and the blue text underline. Exclude the insertion caret, telephone cord, checklist, and external-request panel.","id":"obj_047","temporal":{"status":"found","start_s":22.5,"end_s":22.75,"reference_s":22.5,"evidence":"目标是黑色“A WAY TO”与蓝色带下划线“PHONE HOME”组成的大标题，不含光标和电话线。首个及最后一个合格帧均为22.50秒，文字及下划线已完整显示；前一帧22.25秒仍显示未完成的“PHONE HOM”，后一帧22.75秒已被粉色“LET”标题替换。选择22.50秒作为关键帧，因为目标完整清晰、无遮挡。","start_frame":540,"end_frame":546,"reference_frame":540},"grounding":{"status":"found","bbox_xyxy":[44.8,177.8,628.6,262.0],"positive_points":[[55.7,223.1],[101.0,224.1],[225.0,218.5],[296.4,214.8],[481.3,234.3],[606.8,259.3]],"negative_points":[[434.9,125.0],[325.5,294.4],[359.4,383.3],[781.3,370.4]],"evidence":"目标为上方大标题：黑色“A WAY TO”接蓝色“PHONE HOME”。边界框紧贴整行字形及蓝色下划线；六个正点分布在黑色、蓝色字形和下划线上。负点位于标题上下的外部背景、下方清单及右侧请求面板，均不包含在目标内。"}},{"name":"External-request monitor","description":"Small right-side window titled “elsewhere.example”, replacing the order summary. It shows blue tiled lettering, an increasing request count, and an HTTPS request to “elsewhere.example/1x1.png”.","membership":"Include the entire monitor surface, title bar, boundary, shadow, controls, tiled display, request count, divider, URL text, and visible redaction. Exclude the adjacent telephone cord and checklist.","id":"obj_048","temporal":{"status":"found","start_s":21.25,"end_s":22.75,"reference_s":22.5,"evidence":"目标是右侧标题为“elsewhere.example”的请求监视窗口，包含蓝色字符显示、请求计数和 HTTPS URL。21.25 秒首次出现完整窗口表面、标题栏、边框及阴影，随后放大并填入内容；22.50 秒是最后合格帧。此前 21.00 秒右侧仍是订单摘要，之后 22.75 秒监视窗口已压缩成横条，开始退出。选择 22.50 秒作关键帧，此时窗口完整清晰，显示“PHONE HOME”、9/9 请求及带遮盖的 URL，便于与邻近电话线和清单区分。","start_frame":510,"end_frame":546,"reference_frame":540},"grounding":{"status":"found","bbox_xyxy":[729.17,162.96,971.88,724.07],"positive_points":[[809.38,180.56],[788.54,247.22],[879.69,372.22],[802.08,462.04],[789.06,569.44],[885.42,656.48]],"negative_points":[[698.96,382.41],[609.38,525],[848.96,790.74],[887.5,112.04]],"evidence":"目标是右侧标题为“elsewhere.example”的请求监视窗口，内有蓝色 PHONE HOME 字样、9/9 请求计数及 HTTPS 地址。边界框包含整个窗口表面、标题栏、控件、边框与右下阴影；正点分布在标题、蓝色显示、计数、地址和遮挡条上，负点位于相邻电话线、左侧清单、下方背景及上方时间标签。"}},{"name":"Blue telephone cord","description":"Blue coiled telephone-cord graphic emerging near the external-communication row and extending vertically beside the request monitor.","membership":"Include the visible cord itself, following its open curved outline and black edging. Do not fill the spaces between coils or include the adjacent panel and text.","id":"obj_049","temporal":{"status":"found","start_s":21.75,"end_s":23.0,"reference_s":22.5,"evidence":"目标是外部通信行右端出现、沿请求监视器左侧向上延伸的蓝色黑边螺旋电话线。21.75秒首次可见完整的短卷曲形态，随后拉长；22.75秒仍可见线圈，23.00秒已消失。此前21.50秒尚无线缆。选择22.50秒作为关键帧，蓝色线圈及黑色边缘清晰，易与相邻面板和文字区分。","start_frame":522,"end_frame":552,"reference_frame":540},"grounding":{"status":"found","bbox_xyxy":[662,0,713.6,699.5],"positive_points":[[689.6,6.5],[689.6,75.9],[689.6,219.4],[689.6,437],[701,638],[668.8,692.6]],"negative_points":[[656.3,222.2],[723.4,388.9],[640.6,666.7],[781.3,648.1]],"evidence":"目标是请求监视面板左侧竖向延伸、末端弯向外部通信行的蓝色卷曲电话线。边界框覆盖顶部露出的线段、全部线圈及底端弯钩，包括黑色描边。正点落在线体的不同高度及底端，负点位于线外背景、左侧文字和右侧面板，避开线圈内部空隙。"}},{"name":"LETHAL TRIFECTA heading","description":"Large magenta heading replacing the phone-home title, progressively revealing “LETHAL TRIFECTA: COMPLETE”.","membership":"Include only the heading glyphs across their progressive reveal. Exclude the insertion caret, diagram, checklist labels, and final button.","id":"obj_050","temporal":{"status":"found","start_s":24.0,"end_s":25.0,"reference_s":24.5,"evidence":"目标是顶部洋红色标题“LETHAL TRIFECTA: COMPLETE”，仅计标题字形，不含光标及其他图形。24.00秒首次完成文字揭示，持续至最后采样帧24.75秒；此前23.75秒仍只有“LETHAL TRIFECTA:”，揭示未完成。区间到达视频末尾25.00秒，无后续帧。选择24.50秒作为关键帧，标题完整清晰且无遮挡。","start_frame":576,"end_frame":600,"reference_frame":588},"grounding":{"status":"found","bbox_xyxy":[47.4,172.2,801,236.1],"positive_points":[[52.1,204.6],[152.1,203.7],[268.2,183.3],[382,204],[530,204],[782,226]],"negative_points":[[232,110],[447,314],[489,479],[694,551]],"evidence":"目标是页面上方的大号洋红色标题“LETHAL TRIFECTA: COMPLETE”。边界框紧贴整段标题字形；六个正点分布在标题左、中、右部的实际笔画上。负点位于上方步骤文字、标题下方背景、底部按钮及其右侧光标标签，均不属于标题。"}},{"name":"Overlapping trifecta frames","description":"Diagram of three magenta outlined rectangular frames rotating and converging into a three-way overlap between the private-data, untrusted-content, and external-communication labels.","membership":"Include each frame's outer boundary, enclosed area, and dark offset shadow, following the actual rotated outlines and their union rather than a rectangular hull. Include the diagram's attached connector lines and endpoint dots. Exclude the surrounding checklist labels and checkboxes.","id":"obj_051","temporal":{"status":"found","start_s":23.25,"end_s":24.25,"reference_s":23.75,"evidence":"目标是三个带深色偏移阴影的品红色矩形框及其连接线、端点，旋转并形成三重交叠。首个合格帧为23.25秒，三个框的完整轮廓已建立；最后合格帧为24.00秒，中央填色变化不改变框架身份。此前23.00秒仍是三条横向清单面板，尚未出现该图；此后24.25秒图被按钮替代。选择23.75秒作为关键帧，交叠轮廓、阴影及连接线清晰，便于排除周围文字和复选框。","start_frame":558,"end_frame":582,"reference_frame":570},"grounding":{"status":"found","bbox_xyxy":[293.23,322.22,706.25,938.89],"positive_points":[[424,363],[336,631],[663,628],[432,876],[583,876],[310,725.9]],"negative_points":[[257,403],[150,753],[831,754],[664,413]],"evidence":"目标是中央三个位姿不同、相互重叠的品红色矩形框。边界框覆盖框线、各框内部区域、深色偏移阴影，以及连接清单的细线和端点。正点分布在上方、左右及下方框内，并包含左侧连接线；负点位于外围清单文字及右上方“me”标记，排除这些独立元素。"}},{"name":"I'm next button","description":"Large magenta rectangular control centered beneath “LETHAL TRIFECTA: COMPLETE”, containing a black play triangle and progressively revealed “I'm nex” text.","membership":"Include the button face, boundary, offset shadow, play triangle, and displayed lettering. Exclude the headline and labeled pointer.","id":"obj_052","temporal":{"status":"found","start_s":24.25,"end_s":25.0,"reference_s":24.75,"evidence":"目标是“LETHAL TRIFECTA: COMPLETE”下方的洋红色矩形按钮，包含偏移阴影、黑色播放三角和逐步显示的文字。24.25秒首次出现完整按钮表面与边界；内部文字继续揭示不影响按钮成立。24.00秒仍为三框图形，尚无按钮。最后合格帧为24.75秒，文字显示为“I'm nex”，按钮清晰无遮挡，故选为关键帧。该外观持续到25.00秒视频结束，之后无采样帧。","start_frame":582,"end_frame":600,"reference_frame":594},"grounding":{"status":"found","bbox_xyxy":[316.1,442.6,691.1,644.4],"positive_points":[[333.3,472.2],[362,535.2],[460.4,541.7],[601.6,541.7],[654.7,594.4],[557.3,637.9]],"negative_points":[[572.9,203.7],[750,468.5],[276,537],[510.4,713]],"evidence":"目标是标题下方中央的洋红色大按钮，内有黑色播放三角和“I'm nex”文字。边界框覆盖按钮面、边界及向右下偏移的阴影；正点分布于按钮面、图标、文字和底部阴影，负点位于上方标题、右侧带标签指针及按钮外背景。"}}]}
+{"video_id":196,"video_type":"visual design and media animation","targets":[{"name":"Opening warning headline","description":"Large italic headline above the three resource examples, progressively revealing “Don't let it touch what i”.","membership":"Include the headline lettering across its lines. Exclude the typing caret and all resource graphics below.","id":"obj_001","temporal":{"status":"found","start_s":1.5,"end_s":1.75,"reference_s":1.5,"evidence":"目标是三个资源示例上方的大号斜体两行标题，不包含输入光标。1.5秒标题首次完成揭示，显示“Don't let it touch what it can't”，也是最后一个符合条件的帧；前一帧1.25秒仍在逐字输入，后一帧1.75秒已切换为“LOSE”画面，标题消失。选择1.5秒作为关键帧， lettering完整清晰且无遮挡。","start_frame":36,"end_frame":42,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[319.3,69.4,678.6,260.2],"positive_points":[[332.8,105.6],[456.8,106.5],[566.1,97.2],[407.3,221.3],[495.3,187],[629.2,205.6]],"negative_points":[[152.6,50],[130.2,313],[494.8,407.4],[790.1,312]],"evidence":"目标是三组资源示例上方的大号斜体标题，当前完整显示为两行“Don't let it touch / what it can't”。边界框覆盖两行全部标题文字；六个正点分布在两行的字母笔画上，四个负点位于左上时间标签及下方数据库、任务卡和收件箱等非目标内容上。"}},{"name":"Production database example","description":"Left-hand resource labeled “/prod_db”, with a database symbol and a warning card reading “CODE FREEZE – DO NOT TOUCH”, “agent error · not injection”, and “rows: 1,200+ → 0”.","membership":"Include the resource label, database symbol, and complete warning card with its surface, border, and contents. Exclude the overlapping rollback placard and temporary pink emphasis outline.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0,"evidence":"目标是左侧带数据库图标和“/prod_db”标签的警告卡，内容包含“CODE FREEZE – DO NOT TOUCH”、错误说明及行数变化；不计重叠的 rollback 牌和粉色强调框。首个合格帧为 0.00 秒，最后为 1.50 秒，期间目标结构完整。区间始于视频开头，无前一帧；紧邻的 1.75 秒帧已切换为紫色背景和“LOSE”，目标消失。选择 0.00 秒作为关键帧，标签和卡片文字清晰，无粉色强调框干扰。","start_frame":0,"end_frame":42,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[35.4,288.9,244.3,627.8],"positive_points":[[54.2,319.4],[139,316.7],[107,399],[62,489],[152,536],[188,582]],"negative_points":[[163,656],[20.3,453.7],[486,419],[147,247]],"evidence":"目标是左侧带数据库图标和“/prod_db”标签的生产数据库示例。边界框覆盖图标、标签及完整警告卡的可见表面、边框和文字，不包含重叠的回滚告示牌。正点分布在图标、标签及卡片各部分；负点位于回滚告示牌、外围背景和中间另一张卡片上。"}},{"name":"Rollback placard","description":"Angled black placard across the bottom of the database example, reading “ROLLBACK: IMPOSSIBLE” and subsequently “(IT WASN'T)”.","membership":"Include the complete black placard and its lettering. Exclude the database card behind it.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":1,"evidence":"目标是数据库示例底部倾斜的黑色牌匾，写有“ROLLBACK: IMPOSSIBLE”，随后增加黄色“(IT WASN'T)”。首个合格帧为0.00秒，牌匾已完整呈现；此前没有采样帧。最后合格帧为1.50秒，1.75秒已切换到紫色“LOSE”场景，牌匾消失。选择1.00秒作关键帧，因为完整黑牌及两行文字清晰可见，便于与后方数据库卡片区分。","start_frame":0,"end_frame":42,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[40.1,597.2,310.4,750],"positive_points":[[58.3,651.9],[147.9,639.8],[277.6,626.9],[68.8,719.4],[173.4,697.2],[287.5,692.6]],"negative_points":[[85.9,538],[212,513.9],[182.3,797.2],[322.4,692.6]],"evidence":"目标是数据库示例底部倾斜的黑色告示牌，写有“ROLLBACK: IMPOSSIBLE”和“(IT WASN'T)”。边界框覆盖完整牌面、文字及可见黑色边缘，不包含后方数据库卡片。六个正点分布于牌面和两行文字区域；负点位于上方数据库卡片及牌外右侧、下方背景。"}},{"name":"Drive cache example","description":"Upper-middle resource labeled “D:\\”, with a drive icon and a card reading “task: clear cache” and “agent error · not injection”.","membership":"Include the drive icon, resource label, and complete card, including its yellow strip and contents. Exclude the temporary pink emphasis outline.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":1,"evidence":"目标是画面上方中间的驱动器图标、“D:\\”标签及带黄色顶条的缓存任务卡，卡内写有“task: clear cache”和“agent error · not injection”；不计临时粉色强调��。首个合格帧为0.00秒，结构已完整，视频起点之前无帧；最后合格帧为1.50秒。紧邻的1.75秒已切换为紫色背景和“LOSE”动画，目标消失。选择1.00秒作关键帧，目标完整清晰且无强调框遮扰。","start_frame":0,"end_frame":42,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[392.7,292.6,612.5,548.1],"positive_points":[[397.4,300.9],[438.5,308.3],[513,364],[413,407],[575,483],[438,520]],"negative_points":[[562.5,247.2],[356.8,407.4],[640.6,432.4],[501,568.5]],"evidence":"目标是上方中部标有“D:\\”的驱动器缓存示例。边界框涵盖驱动器图标、资源标签及完整卡片，包括黄色条、文字和阴影；未见粉色强调框。正点分布在图标、标签、黄色条及卡片内容和表面，负点位于目标上、左、右、下方的外部背景。"}},{"name":"Inbox confirmation example","description":"Upper-right resource labeled “inbox”, with an envelope icon and a card headed “confirm before acting”.","membership":"Include the envelope icon, label, and complete card with its yellow header and “agent error · not injection” text. Exclude the temporary pink emphasis outline.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":1,"evidence":"目标是右上角由信封图标、inbox 标签和黄色标题“confirm before acting”的完整卡片组成的示例，卡片内有“agent error · not injection”。首个合格帧为0.00秒，最后为1.50秒；视频起点之前无采样帧，1.75秒已切换为紫色背景的“LOSE”场景，目标消失。选择1.00秒作为关键帧，目标完整清晰且无临时粉色强调轮廓。","start_frame":0,"end_frame":42,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[705.2,289.8,972.4,547.2],"positive_points":[[708.4,307.4],[780.7,310.2],[755.2,384.3],[932.3,385.2],[758.3,450.9],[906.3,501.9]],"negative_points":[[681.3,428.7],[833.3,302.8],[849.0,598.1],[987.5,454.6]],"evidence":"目标位于右上方，由信封图标、“inbox”标签及黄色标题为“confirm before acting”的卡片组成。框覆盖图标、标签和完整卡片（含黑色边缘）；正点分布于图标、标签、黄色标题栏及卡片正文区域，负点位于整体外侧的背景。图中未见粉色强调轮廓。"}},{"name":"Keys resource symbol","description":"Small key symbol and “keys” label to the right of the opening assistant; the symbol changes from black to pink.","membership":"Include the key silhouette and its adjacent label as one resource marker. Exclude the surrounding empty background.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0.75,"evidence":"目标是开场助手右侧的小钥匙轮廓及相邻“keys”文字，黑色钥匙在0.75秒变为粉色。首个合格帧为0.00秒，末个为1.50秒，期间标记完整可见；1.75秒切换为紫色背景的“LOSE”场景，标记消失。区间从视频起点开始，无更早采样帧。选择0.75秒作为关键帧，钥匙与文字清晰完整、无遮挡，粉色轮廓易于辨认。","start_frame":0,"end_frame":42,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[742.2,688.9,846.4,731.5],"positive_points":[[744.8,706.5],[766.1,707.4],[791.7,703.7],[808.9,710.2],[824.5,725.0],[839.1,719.4]],"negative_points":[[729.2,709.3],[800.5,658.3],[864.6,709.3],[802.1,759.3]],"evidence":"目标位于助手图标右侧，由粉色钥匙符号和黑色“keys”标签组成。边界框紧密覆盖这两个部分；正点分布在钥匙轮廓、横杆和标签字形上，负点位于标记四周、远离其边缘的空白背景。"}},{"name":"Opening assistant character","description":"Lavender speech-bubble character initially below the resource examples, with a neutral punctuation-like face. It subsequently travels above the falling letters of “LOSE”.","membership":"Include the speech-bubble body, tail, outline, shadow, facial marks, and small upper-corner circle. Exclude external braces, the nameplate, letters beneath it, and the dashed enclosure.","id":"obj_007","temporal":{"status":"found","start_s":0.0,"end_s":8.25,"reference_s":1.0,"evidence":"目标是开场资源示例下方的淡紫色 speech-bubble 角色，具有中性标点脸、尾巴、轮廓阴影及右上角小圆点，随后移动到“LOSE”字母上方。首个合格帧为0.00秒，角色已完整呈现；最后合格帧为8.00秒。8.25秒角色开始像素化散解，因此排除。区间始于视频开头，无更早帧。选择1.00秒作关键帧，角色完整、较大且无遮挡，易于与外部括号、名牌和虚线框区分。","start_frame":0,"end_frame":198,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[426.6,612,576,842],"positive_points":[[444.3,650],[559,637],[476.6,694.4],[531.3,759.3],[453.1,812],[572.4,751.9]],"negative_points":[[387.5,752.8],[609.4,758.3],[500,887],[660.4,660.2]],"evidence":"目标是画面下方中央的淡紫色中性表情对话气泡。边界框覆盖气泡主体、尾巴、轮��、阴影、面部符号和右上小圆圈；正点分布在这些部位。负点位于两侧外部花括号、下方名称牌及右侧虚线框，均不属于角色。"}},{"name":"Opening assistant nameplate","description":"White rounded label reading “helpful_assistant” below the first assistant character.","membership":"Include the complete nameplate, its boundary, and its text. Exclude the character and dashed enclosure.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":1,"evidence":"目标是开场紫色助手下方、虚线框内部的白色圆角姓名牌，完整显示“helpful_assistant”；不包括角色和虚线框。首个合格帧为0.00秒，最后为1.50秒，期间姓名牌边界及文字持续完整可见。区间始于视频开头，无更早采样帧；1.75秒切换为紫色背景的“LOSE”场景，姓名牌消失。选择1.00秒作为关键帧，姓名牌清晰完整且无遮挡。","start_frame":0,"end_frame":42,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[360.4,853.7,641.7,921.3],"positive_points":[[371.9,873.1],[420.3,902.8],[480.2,870.4],[537,896.3],[590.6,870.4],[630.2,903.7]],"negative_points":[[500,740],[339,879],[495,962],[667,880]],"evidence":"目标是紫色助手角色下方写有“helpful_assistant”的白色圆角名牌。边界框覆盖完整名牌、文字及黑色边界；正点分布于名牌表面和文字区域，负点位于上方角色、左侧虚线框及名牌外背景，排除角色与虚线 enclosure。"}},{"name":"Letter-loss arena","description":"Dashed rectangular arena containing the moving assistant and the letters of “LOSE”; its border contracts and changes from black to pink as the background darkens.","membership":"Include the dashed outer boundary and the full area it encloses, including the character and letters within it. Exclude the upper-left status badge and impact strokes outside the boundary.","id":"obj_009","temporal":{"status":"found","start_s":1.75,"end_s":8.25,"reference_s":3.0,"evidence":"1.75秒首次出现结构完整的大型虚线矩形竞技场，内部有移动的助手和“LOSE”字母；随后边框收缩，并随背景变暗由黑色变为粉色。最后符合条件的帧为8.00秒。此前1.50秒仍是警示卡片与助手小框的布局；此后8.25秒画面解体为碎片，竞技场边界已消失。选3.00秒为关键帧，因为矩形边界完整清晰，助手和“LOSE”均无遮挡，易于排除框外状态徽章。","start_frame":42,"end_frame":198,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[68.75,98.15,931.25,901.85],"positive_points":[[160,250],[800,230],[200,760],[805,745],[383,590],[526,428]],"negative_points":[[150,52],[40,500],[963,500],[550,952]],"evidence":"目标是包围助手角色和“LOSE”字样的黑色虚线矩形场地。边界框紧贴虚线外缘，包含边界及其全部内部区域。正点分布在场地内部、角色和字母上；负点位于左上状态徽章及场地左、右、下方的外部背景。"}},{"name":"Animated L","description":"The first bold letter of “LOSE”, remaining beneath the moving assistant after the other letters fall away.","membership":"Include only the filled L glyph throughout its movement and recoloring. Exclude the assistant and other letters.","id":"obj_010","temporal":{"status":"found","start_s":1.75,"end_s":8.25,"reference_s":7.25,"evidence":"目标是“LOSE”最左侧的实心 L，随助手移动，并在其他字母掉落后继续留在助手下方，颜色由黑色变为粉色。首个合格帧为 1.75 秒，末个为 8.00 秒；此前 1.50 秒尚无该字母，此后 8.25 秒字母已开始碎裂消散。选择 7.25 秒作为关键帧，因为 L 完整、无遮挡，且与下方已掉落的其他字母明显分离。","start_frame":42,"end_frame":198,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[560.4,475.9,631.8,604.6],"positive_points":[[569.8,491.7],[577.6,525],[570.8,557.4],[570.8,590.7],[595.3,586.1],[622.4,587]],"negative_points":[[576,402],[443,765],[615,784],[664,544]],"evidence":"目标是紫色助手下方的亮粉色粗体 L。边界框紧贴 L 的竖笔和底部横笔，仅覆盖该字形；六个正点分布在这两部分的实心区域，负点分别位于助手、下方其他字母及右侧外部背景。"}},{"name":"Animated O","description":"The rounded second letter of “LOSE”, later detached and rotating near the bottom-right of the arena.","membership":"Include the O glyph and its enclosed counter. Exclude neighboring letters, the assistant, and arena boundary.","id":"obj_011","temporal":{"status":"found","start_s":1.75,"end_s":8.25,"reference_s":7.25,"evidence":"目标是“LOSE”中的第二个字母 O，可连续追踪到其脱离文字并在竞技场右下方旋转，包含字形及中空部分。首次完整出现于 1.75 秒，前一帧 1.50 秒尚无该字母；最后完整帧为 8.00 秒，8.25 秒已碎裂成像素块。选择 7.25 秒作为关键帧，此时 O 独立位于右下方，轮廓和内部孔洞清楚，与其他���母及助手分离。","start_frame":42,"end_frame":198,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[575,707.4,650,801.9],"positive_points":[[588.5,741.7],[608.3,722.2],[635.9,732.4],[639.6,771.3],[614.6,785.2],[585.4,775]],"negative_points":[[441,744],[573,518],[573,412],[682,739]],"evidence":"目标是竞技场右下方倾斜的粉色 O。边界框紧贴整个字形，包含其封闭内孔；六个正点分布在 O 的各侧笔画上。负点位于其他字母、紫色助手和右侧外部背景，排除这些非目标区域。"}},{"name":"Animated S","description":"The third letter of “LOSE”, which separates from the remaining letters and falls sideways onto the arena floor.","membership":"Include only the S glyph through its movement, rotation, and recoloring. Exclude the other letters and arena.","id":"obj_012","temporal":{"status":"found","start_s":1.75,"end_s":8.25,"reference_s":6.0,"evidence":"目标是“LOSE”的第三个字母 S：从完整单词中持续可见，随后分离、旋转并侧躺在竞技场底部，同时由黑色变为粉色。首个合格帧为 1.75 秒，前一帧 1.50 秒尚无该字母；最后合格帧为 8.00 秒，随后 8.25 秒字母已开始碎裂消失。选择 6.00 秒作为关键帧，此时 S 完整、侧躺且与其他字母分离，便于独立标注。","start_frame":42,"end_frame":198,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[392.2,750.9,466.7,831.5],"positive_points":[[407.3,764.8],[401.0,790.7],[415.6,812.0],[429.7,787.0],[447.4,766.7],[455.7,812.0]],"negative_points":[[234.9,797.2],[439.6,544.4],[495.8,788.0],[430.7,703.7]],"evidence":"目标是竞技场底部中央偏左、已横向倒下的粉色 S。边界框紧贴该字形的可见范围；六个正点分布在左右弯曲笔画及中段，负点位于其他字母和字形外的背景，排除竞技场及其他字母。"}},{"name":"Animated E","description":"The last letter of “LOSE”, first tipping away and then resting sideways at the lower-left of the arena.","membership":"Include only the E glyph throughout its changing position, orientation, and color. Exclude other letters and the arena boundary.","id":"obj_013","temporal":{"status":"found","start_s":1.75,"end_s":8.25,"reference_s":6.0,"evidence":"目标是“LOSE”的末尾 E：先随整词移动，随后倾斜脱离，并横躺在竞技场左下角，期间由黑色变为粉色。首个合格帧为1.75秒，最后为8.00秒；此前1.50秒尚未出现该词，之后8.25秒字形开始碎裂消失。选择6.00秒作为关键帧，E 已独立横躺于左下角，形状完整且无遮挡，容易与其他字母区分。","start_frame":42,"end_frame":198,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[200.5,759.3,272.9,835.2],"positive_points":[[208.3,779.6],[234.9,781.5],[264.1,775.9],[209.4,818.5],[235.4,815.7],[264.6,818.5]],"negative_points":[[314.1,527.8],[405.2,787.0],[168.8,713.0],[291.7,787.0]],"evidence":"目标是竞技场左下方侧倒的粉色 E，三个横笔画旋转后朝上。边界框紧贴该字形的可见范围；六个正点分布在三个朝上的笔画及底部连接笔画上，负点位于其他字母 L、S、左侧虚线边界及 E 右侧的外部背景。"}},{"name":"First outlined human figure","description":"Pink outline of a posed human figure with a blue bar across the eyes, appearing behind the first large “PREVIOUS” title.","membership":"Follow the figure's actual silhouette, including its enclosed interior and blue eye bar. Exclude the overlaid title and surrounding repeated words.","id":"obj_014","temporal":{"status":"found","start_s":8.5,"end_s":10.0,"reference_s":9.0,"evidence":"目标是眼部带蓝色横条、位于首个巨大“PREVIOUS”标题后方的人形轮廓。8.5秒首次完整出现，随后轮廓从黑色变为粉色并改变姿势；9.75秒仍可见其头部与双脚，躯干被标题遮挡。前一帧8.25秒只有碎裂的文字和助手图形，后一帧10.0秒切换到网页，人形消失。选择9.0秒作为关键帧，粉色轮廓、姿势与蓝色眼条较清晰，便于区别于周围文字。","start_frame":204,"end_frame":240,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[570.8,34.3,746.9,967.6],"positive_points":[[672.9,113.0],[599.0,166.7],[584.4,310.2],[666.7,325.9],[653.6,903.7],[724.0,930.6]],"negative_points":[[597.9,555.6],[489.6,287.0],[854.2,287.0],[789.1,656.5]],"evidence":"目标是大号“PREVIOUS”后方、眼部带蓝条的粉色人物轮廓。框从头顶覆盖到下方靴底，包含可见上身和双腿。正点分布在蓝色眼条、头部、手臂、躯干及两侧腿靴内部；负点位于遮挡人物的大标题、周围重复文字及人物外侧背景，均不标记轮廓内的自然空隙。"}},{"name":"First PREVIOUS title","description":"Oversized solid pink “PREVIOUS” across the black scene containing repeated outlined “IGNORE” and “PREVIOUS” words.","membership":"Include only the large central word. Exclude the smaller repeated words and human figure.","id":"obj_015","temporal":{"status":"found","start_s":9.0,"end_s":9.75,"reference_s":9.25,"evidence":"目标是黑色场景中居中的巨大实心粉色“PREVIOUS”，不含周围小号描边文字和人物。首个合格帧为9.00秒，最后为9.50秒；前一帧8.75秒的大标题仍为“IGNORE”，后一帧9.75秒已换成“INSTRUC-TIONS”。选择9.25秒作为关键帧，目标完整清晰、无遮挡，易与背景重复文字区分。","start_frame":216,"end_frame":234,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[50,456.5,950,658.3],"positive_points":[[67,570],[192,487],[306,625],[455,610],[810,556],[916,623]],"negative_points":[[433,359],[328,753],[652,38],[978,555]],"evidence":"目标是画面中央横跨大部分宽度的实心粉色“PREVIOUS”。边界框紧贴整个大词的可见范围；六个正点分散在字母的实心笔画上，负点位于上下方的小字区域、人物轮廓及右侧外部背景，均排除在目标之外。"}},{"name":"INSTRUCTIONS website title","description":"Large pink “INSTRUCTIONS” displayed across the middle of the “10 cozy places to read” webpage.","membership":"Include only the title lettering. Exclude its rectangular backing, the webpage, and the assistant beside the article.","id":"obj_016","temporal":{"status":"found","start_s":10.0,"end_s":10.5,"reference_s":10.25,"evidence":"目标是“10 cozy places to read”网页中央的大号粉色“INSTRUCTIONS”字样，仅指 lettering，不含矩形底板。首个和最后一个合格帧分别为10.00秒、10.25秒；此前9.75秒是粉色背景上的黑色分行文字，并非该网页标题，之后10.50秒标题已被“Ignore”替换。选择10.25秒，因为标题完整清晰、无遮挡。","start_frame":240,"end_frame":252,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[105.7,405.6,897.9,588.9],"positive_points":[[117.2,490.7],[155.2,453.7],[369.8,490.7],[445.3,546.3],[603.1,472.2],[868.2,574.1]],"negative_points":[[489.6,629.6],[505.2,314.8],[281.8,139.8],[883.3,837.0]],"evidence":"目标是页面中央巨大的粉色“INSTRUCTIONS”字样。边界框紧贴整行字母的可见范围，不包含矩形底板和边框。六个正点分布在不同字母的实心笔画上；负点位于文字下方底板、上方背景、网页其他标题及右下角助手图案上。"}},{"name":"Webpage assistant character","description":"Small lavender speech-bubble assistant with pink eyes and a smiling mouth, initially at the bottom-right of the reading webpage and subsequently beside the inbox and terminal demonstrations.","membership":"Include the character's bubble body, tail, facial marks, inset outline, corner circle, and shadow. Exclude external braces, surrounding windows, and controls.","id":"obj_017","temporal":{"status":"found","start_s":10.0,"end_s":11.75,"reference_s":10.25,"evidence":"目标为阅读网页右下角的浅紫色说话气泡助手，具有粉色双眼、微笑、内嵌描边和角落小圆点，不包括外侧花括号。10.00秒首次完整出现，至11.50秒仍完整可见，期间闭眼不影响身份。前一帧9.75秒为人物剪影及大字画面，没有该助手；后一帧11.75秒切换为system文字面板，助手消失。选择10.25秒，气泡轮廓和尾部清楚、遮挡少。","start_frame":240,"end_frame":282,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[825,767,940,936],"positive_points":[[840,798],[866,829],[882,854],[899,833],[928,787],[846,914]],"negative_points":[[802,838],[964,839],[882,743],[950,949]],"evidence":"目标是网页右下角的淡紫色对话气泡助手，具有粉色眼睛和微笑。框覆盖气泡主体、尾巴、面部、内嵌轮廓、角落圆点及阴影，不包含两侧花括号。正点分布在主体、眼睛、嘴、圆点和尾巴上；负点位于外部花括号及周围背景。"}},{"name":"Webpage header Ignore box","description":"Large pink box reading “Ignore” that replaces the reading webpage's upper-left heading.","membership":"Include the entire pink box, its border, shadow, and lettering. Exclude the webpage navigation beneath it.","id":"obj_018","temporal":{"status":"found","start_s":10.5,"end_s":11.75,"reference_s":10.75,"evidence":"目标是阅读网页左上角替代原标题的大型粉色“Ignore”矩形框，包含边框、阴影和文字，不含下方导航。首个合格帧为10.50秒，最后为11.50秒；11.25秒的颜色变化不改变框的身份。此前10.25秒仍是原网页标题和横跨页面的“INSTRUCTIONS”框，之后11.75秒已切换到另一场景。选择10.75秒作关键帧，目标完整清晰且无遮挡。","start_frame":252,"end_frame":282,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[71.4,47.2,507.3,227.8],"positive_points":[[110,122],[182,89],[270,136],[379,126],[469,189],[144,204]],"negative_points":[[42,158],[261,264],[290,442],[698,354]],"evidence":"目标是页面左上方最大的粉色“Ignore”标题框。边界框覆盖粉色底板、边框、阴影及文字，不包含下方导航短线。六个正点分散在框内底色和文字上；负点位于左侧背景、标题下方空白及其他粉色框内。"}},{"name":"Webpage image Ignore box","description":"Pink “Ignore” box inside the left-hand image area of the reading webpage.","membership":"Include the complete pink box and its text. Exclude the larger image placeholder frame and picture icon behind it.","id":"obj_019","temporal":{"status":"found","start_s":10.5,"end_s":11.75,"reference_s":11.0,"evidence":"目标是阅读网页左侧图片占位区域内、图片图标下方的独立粉色“Ignore”矩形框，仅包括框和文字。10.50秒首次完整出现，持续至11.50秒；11.25秒的变色不改变其身份。紧邻此前10.25秒仍是巨大的“INSTRUCTIONS”横框，尚无该目标；此后11.75秒已切换为系统文字场景。选择11.00秒作为关键帧，目标完整清晰且无遮挡，与外围图片占位框容易区分。","start_frame":252,"end_frame":282,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[151.0,385.2,429.2,509.3],"positive_points":[[169.3,410.2],[403.6,412.0],[180.2,480.6],[404.7,480.6],[259.9,441.7],[321.4,446.3]],"negative_points":[[164.1,344.4],[286.5,574.1],[572.9,509.3],[119.8,439.8]],"evidence":"目标是左侧图片占位区域内的粉色“Ignore”矩形框。边界框覆盖完整粉色框、边线及文字，不包含外围图片占位框和上方图片图标。正点分布在粉色表面及文字上；负点位于图片图标、下方占位区域、右侧另一按钮和左侧外部背景。"}},{"name":"First article Ignore box","description":"Topmost pink “Ignore” box in the right-hand article column, opposite the image placeholder.","membership":"Include the complete box, border, shadow, and lettering. Exclude the other article boxes and webpage background.","id":"obj_020","temporal":{"status":"found","start_s":10.5,"end_s":11.75,"reference_s":11.0,"evidence":"目标是网页右侧正文栏最上方、与左侧图片占位框相对的“Ignore”矩形框，包含边框、阴影和文字。首个完整帧为10.50秒，最后完整帧为11.50秒；10.25秒仍是正文文字及大型“INSTRUCTIONS”横幅，尚无该框，11.75秒已切换至另一场景。11.25秒仅改变框的配色，不中断其存在。选择11.00秒作为关键帧，目标完整清晰且无遮挡。","start_frame":252,"end_frame":282,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[495.8,296.3,903.6,422.2],"positive_points":[[516,318],[615,382],[666,350],[731,359],[824,321],[888,401]],"negative_points":[[687,517],[291,449],[631,264],[935,358]],"evidence":"目标是右侧文章栏最上方、与左侧图片占位框相对的粉色“Ignore”框。边界框涵盖完整粉色框、边框、阴影及文字；六个正点分布在框面和文字上，四个负点位于下方另一文章框、左侧占位框及目标上方和右侧的网页背景。"}},{"name":"Second article Ignore box","description":"Pink “Ignore” box directly below the topmost box in the right-hand article column.","membership":"Include this complete box and its lettering. Exclude adjacent boxes and intervening background.","id":"obj_021","temporal":{"status":"found","start_s":10.5,"end_s":11.75,"reference_s":11.0,"evidence":"目标是文章右侧栏内、最上方 Ignore 框正下方的第二个矩形框，包含框体及 lettering「Ignore」。10.5 秒首次完整出现，11.5 秒为最后一个 qualifying 帧；11.25 秒仅改变配色，框体仍完整。前一帧 10.25 秒显示大型 INSTRUCTIONS 横幅，尚无此框；后一帧 11.75 秒已切换为系统提示场景。选择 11.0 秒，因为目标清晰完整、无遮挡，且易与上下相邻框区分。","start_frame":252,"end_frame":282,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[495.8,460.2,890.6,584.3],"positive_points":[[513,480],[863,481],[548,557],[841,563],[657,513],[720,520]],"negative_points":[[701,352],[697,434],[699,679],[459,518]],"evidence":"目标是右侧文章列中从上往下第二个粉色“Ignore”框，位于最上方框的正下方。边界框覆盖完整粉色框、边框及文字；六个正点分布在框面和文字上，四个负点位于上下相邻框、框间背景及左侧外部背景。"}},{"name":"Third article Ignore box","description":"Pink “Ignore” box in the right-hand column below the second box and above the assistant-level box.","membership":"Include the complete box, boundary, shadow, and text. Exclude neighboring boxes.","id":"obj_022","temporal":{"status":"found","start_s":10.5,"end_s":11.75,"reference_s":11.0,"evidence":"目标是文章右栏自上而下第三个“Ignore”矩形框，位于第二框下方、助手所在框上方，包含边界和投影。10.50秒首次完整出现，至11.50秒仍完整可见；11.25秒的颜色变化不影响其身份。此前10.25秒仍是大幅“INSTRUCTIONS”覆盖的文章页面，尚无该框；此后11.75秒已切换到系统提示场景。选择11.00秒作为关键帧，目标清晰完整，与相邻框易于区分。","start_frame":252,"end_frame":282,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[495.3,622.2,902.6,748.1],"positive_points":[[522.4,648.1],[862.5,643.5],[547.9,716.7],[868.2,721.3],[662.5,678.7],[730.2,682.4]],"negative_points":[[692.7,520.4],[693.8,824.1],[466.7,682.4],[937.5,678.7]],"evidence":"目标是右侧列从上往下第三个粉色“Ignore”框，位于第二个框下方、助手级框上方。边界框覆盖完整框体、边线、阴影及文字；正点分布于粉色表面和文字，负点位于上下相邻框及左右外部背景。"}},{"name":"Fourth article Ignore box","description":"Shorter pink “Ignore” box near the bottom of the right-hand article column, partly covered by the smiling assistant.","membership":"Include the complete box and its contents, including the portion occluded by the assistant. Exclude the assistant itself and neighboring boxes.","id":"obj_023","temporal":{"status":"found","start_s":10.5,"end_s":11.75,"reference_s":11.0,"evidence":"目标是右侧文章栏从上往下第四个、较矮的“Ignore”矩形框，右端被微笑助手遮挡；不包括助手和相邻框。首个合格帧为10.50秒，最后为11.50秒，期间变色不改变框的身份。前一帧10.25秒仍为大号“INSTRUCTIONS”覆盖的文章页面，尚未出现该框；后一帧11.75秒已切换为系统提示场景。选择11.00秒，框的边界和文字清晰，便于区分相邻框。","start_frame":252,"end_frame":282,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[495.8,787.0,889.6,868.5],"positive_points":[[520.8,806.5],[578.1,842.6],[635.4,810.2],[691.7,827.8],[759.4,808.3],[781.3,849.1]],"negative_points":[[877.6,832.4],[708.3,694.4],[625.0,944.4],[468.8,824.1]],"evidence":"目标是右侧文章列第四个较矮的粉色“Ignore”框，右端被微笑助手遮挡。边界框覆盖该框及文字，并按框体延续估计被遮挡部分。六个正点分布于可见框面和文字区域；负点位于助手、上下相邻框及左侧外部背景，排除这些对象。"}},{"name":"First system prompt panel","description":"Wide cream panel labeled “system”, displaying “You are a helpful assistant.” The label is crossed out as the large instruction-override text develops above it.","membership":"Include the panel surface, boundary, shadow, label, and prompt text. Exclude the overlaid instruction title, strike-through emphasis, and repeated text outside the panel.","id":"obj_024","temporal":{"status":"found","start_s":11.75,"end_s":14.25,"reference_s":11.75,"evidence":"目标是带边框和阴影的宽奶油色 system 面板，内有“You are a helpful assistant.”，system 标签被划线。首个完整帧为11.75秒，最后合格帧为14.00秒；期间覆盖的大标题和外部重复文字不属于目标。前一帧11.50秒仍是网页布局，后一帧14.25秒已切换成人形文字画面，面板消失。选择11.75秒作关键帧，因为面板结构和提示文字清楚，遮挡较少。","start_frame":282,"end_frame":342,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[79.7,363.9,925.5,712.0],"positive_points":[[179,485],[834,504],[240,646],[765,651],[480,539],[105,405]],"negative_points":[[498,363],[126,396],[385,869],[49,564]],"evidence":"目标是中央标有“system”并显示提示语的宽奶油色面板。边界框覆盖面板表面、边框、右下阴影、标签及提示文字；正点分布于这些内容和面板各处。负点位于排除的蓝色“IGNORE”标题、粉色删除线、面板外重复文字及左侧背景。"}},{"name":"Instruction override title","description":"Central title progressively revealing “IGNORE PREVIOUS INSTRUC” over the cream system-prompt scene, beginning as white “IGNORE” on blue and changing to pink lettering on black.","membership":"Include the title lettering across all revealed lines. Exclude its backing rectangles, typing caret, system panel, and surrounding redaction bars.","id":"obj_025","temporal":{"status":"found","start_s":13.75,"end_s":14.25,"reference_s":13.75,"evidence":"目标是奶油色 system 提示词场景中央、黑色底块上的粉红色三行标题“IGNORE PREVIOUS INSTRUCTIONS”，仅指文字。13.75 秒首次完整揭示，14.00 秒仍完整可见；前一帧 13.50 秒末行仍为“INSTRUCTIO”，尚未完成，后一帧 14.25 秒已切换为人物与蓝色“I'm”标题。选择 13.75 秒作为关键帧，三行文字清晰且无遮挡。","start_frame":330,"end_frame":342,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[181.8,299.8,821.4,763.2],"positive_points":[[259.8,359.3],[597.9,362.0],[294.8,535.2],[615.6,538.9],[222.4,699.1],[800.5,734.3]],"negative_points":[[518.2,790.7],[120.8,520.4],[607.3,154.6],[258.3,147.2]],"evidence":"目标是中央三行粉色标题“IGNORE / PREVIOUS / INSTRUCTIONS”。边界框紧贴全部标题字形的最外范围，不含黑色底板。六个正点分布在三行文字的实际笔画上；负点位于标题下方黑色底板、左侧系统面板、上方遮挡条及左上角独立贴纸文字上。"}},{"name":"Text-filled sentence figure","description":"Pink-outlined human figure with a blue eye bar and words filling the body, posed against dense reading-article text while declaring that it is a sentence.","membership":"Follow the complete human silhouette, including its enclosed interior, internal text, and eye bar. Exclude the large foreground quotation and classification placard.","id":"obj_026","temporal":{"status":"found","start_s":14.25,"end_s":15.25,"reference_s":14.25,"evidence":"目标是密集文章文字前的粉色描边人形，身体内填有文字，眼部有蓝色横条；不包含前景引文和分类牌。14.25秒首次完整出现，15.00秒是最后完整可见的采样帧。此前14.00秒仍是文字指令画面；此后15.25秒人形放大，脚部被画面下边界裁切。选择14.25秒，因引文遮挡较少，头部、张开的双臂及双腿轮廓最清楚。","start_frame":342,"end_frame":366,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[339.6,94.4,658.3,963],"positive_points":[[491.1,135.2],[377.6,241.7],[609.9,242.6],[497.4,428.7],[409.4,924.1],[577.1,840.7]],"negative_points":[[472.4,333.3],[310.4,464.8],[679.7,500],[567.7,67.6]],"evidence":"目标是中央双臂展开、粉色描边且体内填有文字的人形，头部带蓝色眼条。边界框紧贴头顶、两侧指尖和双脚底部；正点分布于头部、双臂、腰胯及双腿内部。负点位于明确排除的前景“I'M”蓝色牌及人形外的文章背景和顶部空白。"}},{"name":"Sentence declaration","description":"Large white text on blue progressively revealing “I'M NOT A HACKER, I'M A SENTENCE” across the text-filled figure.","membership":"Include the complete declaration lettering across its lines. Exclude blue backing blocks, vertical reveal markers, the figure, and the classification label.","id":"obj_027","temporal":{"status":"found","start_s":15.5,"end_s":16.0,"reference_s":15.75,"evidence":"目标为文字填充人形前、蓝色底块上的白色多行声明“I'M NOT A HACKER, I'M A SENTENCE”，仅计入声明字母。15.5秒首次完整显示，15.75秒为最后合格帧；此前15.25秒仍只揭示到“I'M”，之后16.0秒已切换为网页及“AND”文字。选择15.75秒作为关键帧，因为完整声明清晰可见，无明显遮挡。","start_frame":372,"end_frame":384,"reference_frame":378},"grounding":{"status":"found","bbox_xyxy":[391.15,299.07,676.04,687.04],"positive_points":[[442.71,333.33],[447.92,435.19],[562.5,439.81],[510.42,546.3],[398.96,629.63],[651.04,645.37]],"negative_points":[[651.04,212.96],[620.83,925.93],[781.25,754.63],[208.33,462.96]],"evidence":"目标是中央四行白色声明“I'M NOT / A HACKER, / I'M A / SENTENCE”。边界框紧贴完整文字的最外侧，包含逗号，不包含蓝色底块和竖直标记。六个正点分布在四行字母的实心笔画上；负点位于上方分类标签、下方人物轮廓及左右外围背景。"}},{"name":"Sentence classification placard","description":"Angled pink label reading “CLASS: sentence” near the text-filled figure's upper-right shoulder.","membership":"Include the entire placard, its boundary, shadow, and text. Exclude the figure and blue declaration blocks.","id":"obj_028","temporal":{"status":"found","start_s":15.0,"end_s":16.0,"reference_s":15.5,"evidence":"目标是文字人形右上肩附近倾斜的粉色“CLASS: sentence”牌，包含边框、阴影和文字。首个完整可见帧为15.00秒，最后 qualifying 帧为15.75秒；此前14.75秒尚无该牌，此后16.00秒切换为网页场景，该牌消失。选择15.50秒作为关键帧，牌面清晰完整，便于与人形及蓝色声明文字块区分。","start_frame":360,"end_frame":384,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[557.3,148.1,770.8,277.8],"positive_points":[[567.7,217.6],[603.1,239.8],[644.3,217.6],[700,191.7],[749.5,172.2],[764.6,223.1]],"negative_points":[[505.7,138.9],[607.8,326.9],[793.8,222.2],[666.7,131.5]],"evidence":"目标是人物右上肩附近倾斜的粉色“CLASS: sentence”标牌。边界框覆盖完整牌面、边缘及右下方阴影；正点分布于牌面、文字区域和阴影，负点位于人物、蓝色声明块及标牌外背景，排除这些非目标内容。"}},{"name":"Inbox deletion demonstration","description":"Pink-and-black inbox panel listing senders such as “team@example.com”, a partially masked one-time code, and a bottom “delete all” control.","membership":"Include the full bounded inbox panel, title bar, message rows, and bottom control area. Its separately identified assistant remains within the panel's region when positioned there. Exclude the oversized “DOES” overlay.","id":"obj_029","temporal":{"status":"found","start_s":16.5,"end_s":17.0,"reference_s":16.75,"evidence":"目标是粉黑色有边框的 INBOX 面板，含 team@example.com 等发件人、部分遮蔽的一次性验证码，以及底部 delete all 控件。首个合格帧为16.50秒，最后为16.75秒；此前16.25秒显示阅读网页，此后17.00秒已切换为日历���示。选择16.75秒作关键帧，面板边界、标题栏和底部控制区清晰可辨；中央 oversized DOES 字样是独立遮挡层，不计入目标。","start_frame":396,"end_frame":408,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[119.8,54.6,885.9,925.9],"positive_points":[[494,77],[217,140],[520,215],[519,665],[598,852],[802,851]],"negative_points":[[310,460],[666,523],[65,235],[931,829]],"evidence":"通过 INBOX 标题、发件人列表、部分遮蔽的一次性代码及底部 delete all 控件识别面板。边界框覆盖完整面板外缘、标题栏、邮件行和底部控制区，包含位于其中的助手。正点分布在标题栏、邮件内容、助手及删除控件；负点位于排除的巨大“DOES”覆盖层和面板外背景。"}},{"name":"DOES title","description":"Oversized pink “DOES” across the middle of the inbox demonstration.","membership":"Include only the word's lettering. Exclude the horizontal backing band, rules, and inbox contents behind it.","id":"obj_030","temporal":{"status":"found","start_s":16.75,"end_s":17.25,"reference_s":16.75,"evidence":"16.75秒，收件箱演示中央完整出现巨大的粉色“DOES” lettering；17.00秒同一标题继续出现，背景切换且字色变黑，仍为完整文字。前一帧16.50秒显示“AGENT”，后一帧17.25秒已替换为“WHAT”。选择16.75秒为关键帧，因为粉色字形清晰完整，且与目标描述的收件箱场景一致；仅标注文字，不含横向底带。","start_frame":402,"end_frame":414,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[285.9,400,719.8,587],"positive_points":[[301.6,477.8],[357.3,542.6],[408.3,487],[457.8,566.7],[541.7,495.4],[694.8,550.9]],"negative_points":[[218.8,481.5],[776,481.5],[500,375],[500,643.5]],"evidence":"目标是收件箱画面中央超大的粉色“DOES”。边界框紧贴四个字母的可见外缘；六个正点分布在各字母的实心笔画上，四个负点位于文字左右及上下的外部背景或收件箱区域，不包含横向底带、分隔线或邮件内容。"}},{"name":"Cloud terminal demonstration","description":"Wide terminal panel showing “ls ~/cloud”, “backups/ photos/ taxes_2026.pdf .env”, and “backups/ · deleted”.","membership":"Include the complete terminal window, its title bar, boundary, and command/output contents. Exclude the assistant, lower action controls, and foreground title.","id":"obj_031","temporal":{"status":"found","start_s":17.25,"end_s":17.75,"reference_s":17.5,"evidence":"根据带 TERMINAL 标题栏的宽窗口及其中“ls ~/cloud”、“backups/ photos/ taxes_2026.pdf .env”和“backups/ · deleted”识别目标。首个 qualifying 帧为17.25秒，窗口边界和布局已完整；最后一帧为17.50秒。此前17.00秒显示活动格子图，没有该终端；之后17.75秒切换为“TOLD”格子场景，终端消失。选择17.50秒，完整窗口及命令输出清晰可见，未被前景标题遮挡。","start_frame":414,"end_frame":426,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[119.8,36.1,880.2,324.1],"positive_points":[[171,58],[193,126],[306,184],[225,244],[670,156],[809,280]],"negative_points":[[53,51],[452,495],[819,689],[322,853]],"evidence":"根据标题栏“TERMINAL”及云目录命令和删除输出识别目标。边界框紧贴完整终端窗口，包含标题栏、边框、命令输出和内部面板。正点分布于标题栏、文字及面板内部；负点位于窗外计时器、中央大标题、右下助手和底部操作控件。"}},{"name":"IT'S title","description":"Large pink “IT'S” across the center of the cloud-terminal scene.","membership":"Include only the title lettering. Exclude its backing band, horizontal rules, and terminal panel.","id":"obj_032","temporal":{"status":"found","start_s":17.5,"end_s":17.75,"reference_s":17.5,"evidence":"17.50秒的云终端场景中央完整出现大型粉色“IT'S”字样，仅将字母和撇号视为目标，不含底带、横线及终端面板。首末 qualifying 帧均为17.50秒；前一帧17.25秒显示“WHAT”，后一帧17.75秒已切换为“TOLD”。选择17.50秒作为关键帧，文字完整清晰且无遮挡。","start_frame":420,"end_frame":426,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[356.8,400,648.4,586.1],"positive_points":[[373,490],[421,425],[453,538],[527,440],[587,420],[616,559]],"negative_points":[[310,490],[694,490],[478,613],[362,183]],"evidence":"目标是画面中央的大号粉色“IT'S”。边界框紧贴完整标题字形，包含撇号，不含背景横带、横线或上方终端面板。六个正点分布在各字母和撇号的实心笔画上；负点位于标题左右外部背景、下方横线及上方终端文字处。"}},{"name":"Terminal action controls","description":"Compact bottom-left row of outlined controls labeled “summarize”, “delete all”, and “share”, each with a check mark.","membership":"Include the three adjacent control rectangles, their borders, labels, and check marks as one functional action row. Exclude the separate deletion control at the right.","id":"obj_033","temporal":{"status":"found","start_s":17.25,"end_s":17.75,"reference_s":17.5,"evidence":"目标是终端下方左侧相邻的 summarize、delete all、share 三个带勾选标记的描边按钮，不包括右侧独立的 delete(backups/) 控件。首个合格帧为17.25秒，最后为17.50秒；前一帧17.00秒的 share 仍位于画面右侧，尚未组成该紧凑按钮行，后一帧17.75秒已切换为“TOLD”网格画面，按钮行消失。选择17.50秒，因为三个按钮完整、清晰且无遮挡。","start_frame":414,"end_frame":426,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[119.8,823.1,478.6,887.0],"positive_points":[[146.4,856.5],[234.4,854.6],[286.5,855.6],[359.4,855.6],[416.7,856.5],[459.4,855.6]],"negative_points":[[796.9,855.6],[260.4,777.8],[364.6,921.3],[820.3,685.2]],"evidence":"目标是左下方依次标有“summarize”“delete all”“share”的三个描边控件。边界框紧贴整排三个矩形，包含边框、标签和勾号；每个控件分布两个正点。负点位于右侧独立删除控件、上方与下方背景及右侧聊天图标，均不属于目标行。"}},{"name":"Backup deletion control","description":"Pink bottom-right control reading “delete(backups/)” with a check mark.","membership":"Include the entire control surface, border, text, and check mark. Exclude the nearby assistant and terminal.","id":"obj_034","temporal":{"status":"found","start_s":17.25,"end_s":17.75,"reference_s":17.25,"evidence":"目标是画面右下角写有“delete(backups/)”并带勾号的粉色完整控件，与附近助手和终端分离。首个合格帧为17.25秒，最后一个为17.50秒；此前17.00秒右下角只有“share”控件，此后17.75秒已切换为“TOLD”画面，目标消失。选择17.25秒作为关键帧，因为控件结构完整、文字清楚且无遮挡。","start_frame":414,"end_frame":426,"reference_frame":414},"grounding":{"status":"found","bbox_xyxy":[703.65,824.07,891.67,887.96],"positive_points":[[713.5,843.5],[743.2,866.7],[786.5,852.8],[821.9,872.2],[858.3,847.2],[880.2,866.7]],"negative_points":[[820,688],[750,250],[680,853],[810,925]],"evidence":"目标是右下角标有“delete(backups/)”及勾号的粉色控件。边界框覆盖整个控件表面、边框、文字和勾号；六个正点分布于控件内部各部分，负点位于附近助手、上方终端及控件外的背景，均不包含在目标中。"}},{"name":"TOLD title","description":"Large pink “TOLD” in the center tile as the surrounding demonstration cards assemble into a three-by-three arrangement.","membership":"Include only the TOLD lettering. Exclude the central tile's backing and boundary, and all surrounding cards.","id":"obj_035","temporal":{"status":"found","start_s":17.75,"end_s":21.5,"reference_s":20.0,"evidence":"目标是演示卡片组中央的粉色“TOLD”字母，不包括方格背景和边界。17.75秒首次完整出现，随后随三乘三卡片组缩放，至21.25秒仍完整可见。前一帧17.50秒显示的是“IT'S”，后一帧21.50秒切换为“IGNORE”画面，TOLD消失。选择20.00秒作关键帧，此时中央文字清晰、无遮挡且易于区分。","start_frame":426,"end_frame":516,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[384.4,450.9,614.1,545.4],"positive_points":[[392,463],[409,512],[447,498],[471,535],[518,521],[607,498]],"negative_points":[[499,408],[500,585],[481,312],[419,675]],"evidence":"目标是九宫格中央的大号粉色“TOLD”。边界框紧贴四个字母的可见范围；六个正点分布在各字母笔画上，四个负点位于文字上、下方的中央底板及相邻卡片内容，均避开字母内部空隙。"}},{"name":"Tangerines webpage card","description":"Top-middle example card combining the “10 cozy places to read” webpage, an image area quoting “I'm hiding in the alt text, white on white”, and the caption “a poem about tangerines”.","membership":"Include the complete bounded card, webpage thumbnail, caption, and completion check mark. Exclude neighboring cards and the central TOLD tile.","id":"obj_036","temporal":{"status":"found","start_s":18.5,"end_s":21.5,"reference_s":20.0,"evidence":"目标是九宫格顶部中央的完整卡片，含“10 cozy places to read”网页缩略图、alt text 引文、“a poem about tangerines”字幕及勾选标记。首个合格帧为18.50秒；18.25秒仅有粉色占位面板和字幕，网页与勾选尚未呈现。最后合格帧为21.25秒，整组卡片虽缩小但仍完整；21.50秒已切换为人物和大型文字背景，原卡片不再持续出现。选择20.00秒，目标清楚完整且无遮挡，易与邻近卡片区分。","start_frame":444,"end_frame":516,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[369.8,89.8,630.2,352.8],"positive_points":[[431,135],[445,214],[550,229],[613,124],[451,311],[580,312]],"negative_points":[[230,222],[769,220],[500,493],[501,61]],"evidence":"目标位于���排中间，可由“10 cozy places to read”、隐藏于替代文本的引文及“a poem about tangerines”标题识别。边界框覆盖完整卡片外框、网页缩略图、底部标题和右上角勾号。正点分布于网页标题、引文、正文、勾号和底部标题；负点位于左右邻卡、中央TOLD图块及卡片上方背景。"}},{"name":"Automatic tool approval card","description":"Top-right example card with a terminal thumbnail and the caption “\"chat.tools.autoApprove\": true”.","membership":"Include the entire card surface, border, thumbnail, caption, and check mark. Exclude adjacent cards.","id":"obj_037","temporal":{"status":"found","start_s":19.25,"end_s":21.5,"reference_s":20.25,"evidence":"目标是九宫格右上角的示例卡，包含终端缩略图、勾选标记及“\"chat.tools.autoApprove\": true” caption。19.25秒首次完整呈现；此前19.00秒该位置仍是斜线占位格。最后 qualifying 帧为21.25秒，整组卡片虽缩小但仍完整存在；21.50秒切换为人物和重复窗口背景，原卡片不再连续可辨。选择20.25秒作为关键帧，卡片清晰完整，与相邻卡片边界分明。","start_frame":462,"end_frame":516,"reference_frame":486},"grounding":{"status":"found","bbox_xyxy":[645.8,71.3,918.2,346.3],"positive_points":[[675,107],[793,174],[897,114],[722,258],[853,261],[780,307]],"negative_points":[[566,209],[950,210],[788,404],[784,44]],"evidence":"目标是右上角带终端缩略图及“\"chat.tools.autoApprove\": true”标题的卡片。边界框覆盖整张卡片的表面、边框、缩略图、标题和勾号。正点分布在终端区域、勾号及两行标题上；负点位于左侧和下方相邻卡片，以及目标上方、右侧的外部背景。"}},{"name":"Résumé example card","description":"Middle-left card with a small text-window thumbnail and the caption “1 in 100 résumés”.","membership":"Include the complete bounded card, thumbnail contents, caption, and check mark. Exclude neighboring cards.","id":"obj_038","temporal":{"status":"found","start_s":19.0,"end_s":21.5,"reference_s":20.0,"evidence":"目标是九宫格中左侧中排的完整卡片，含文字窗口缩略图、勾选标记及“1 in 100 résumés”标题。首个合格帧为19.00秒；18.75秒该位置仍是斜线占位框。卡片持续可见至21.25秒，此时整个九宫格已缩小但卡片仍完整；21.50秒切换为人物和“IGNORE”画面，结束此次出现。选择20.00秒作为关键帧，卡片边界清晰、无遮挡，且与相邻卡片易于区分。","start_frame":456,"end_frame":516,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[100,368.5,360.4,631.5],"positive_points":[[152.1,398.1],[174.5,437],[335.9,409.3],[254.2,510.2],[213,592.6],[122.9,609.3]],"negative_points":[[229.2,308.3],[231.8,870.4],[468.8,500],[81.3,483.3]],"evidence":"目标是中间一行左侧、标题为“1 in 100 résumés”的卡片。边界框紧贴整张卡片外框，包含文本窗口缩略图、标题和右上角勾号。正点分布于缩略图、勾号、标题及卡片表面；负点位于上方、下方、右侧相邻卡片和左侧外部背景。"}},{"name":"Flan recipe inbox card","description":"Middle-right card containing an inbox thumbnail and the caption “[a recipe for flan]”.","membership":"Include the full card, thumbnail, caption, border, and check mark. Exclude other inbox examples elsewhere in the grid.","id":"obj_039","temporal":{"status":"found","start_s":18.75,"end_s":21.5,"reference_s":20.0,"evidence":"目标是九宫格中部右侧的卡片，含收件箱缩略图、右上角勾号及“[a recipe for flan]”标题。18.75秒首次完整呈现；18.50秒仍为粉色占位面，缩略图和勾号尚未建立。至21.25秒，卡片仍随整个九宫格缩小而完整存在；21.50秒切换为铺满背景的多窗口场景，原卡片的连续出现结束。选择20.00秒作关键帧，此时卡片清晰且无遮挡，易于与其他收件箱示例区分。","start_frame":450,"end_frame":516,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[639.6,368.5,900,631.5],"positive_points":[[677.1,404.6],[783.3,445.4],[718.8,517.6],[862,520.4],[757.3,592.6],[880.2,407.4]],"negative_points":[[770.8,277.8],[505.2,500],[770.8,736.1],[921.9,500]],"evidence":"目标位于网格中排右侧，以收件箱缩略图和“[a recipe for flan]”标题识别。边界框覆盖整张卡片，包括外框、缩略图、标题和右上角勾号。正点分布在缩略图内容及其底面、标题和勾号上；负点位于上方、中央、下方其他卡片及右侧外部背景。"}},{"name":"Purchase example card","description":"Bottom-middle card showing a checkout thumbnail with “$76,000.00” and “PLACE ORDER”, captioned “$1.00 · no takesies backsies”.","membership":"Include the whole card, checkout thumbnail, caption, boundary, and completion check mark. Exclude neighboring cards.","id":"obj_040","temporal":{"status":"found","start_s":18.75,"end_s":21.5,"reference_s":20.0,"evidence":"目标为九宫��底部中央的购买示例卡，含 checkout 缩略图、“$76,000.00”、“PLACE ORDER”、说明“$1.00 · no takesies backsies”、边框及勾号。首个完整帧为18.75秒；18.50秒该位置仍为条纹占位格。最后符合帧为21.25秒，整组卡片缩小但目标仍完整；21.50秒切换为人物和重复卡片背景，此次独立卡片的连续出现结束。选择20.00秒作为关键帧，卡片清晰且无遮挡。","start_frame":450,"end_frame":516,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[369.8,647.2,630.2,910.2],"positive_points":[[401,675],[414,756],[502,788],[610,689],[568,763],[497,870]],"negative_points":[[230,763],[765,763],[500,500],[502,944]],"evidence":"目标位于底部中央，以 checkout 缩略图中的“$76,000.00”“PLACE ORDER”和下方“$1.00 · no takesies backsies”识别。边界框覆盖整张卡片、外框、缩略图、标题及完成勾号；正点分布于这些内容和卡片内部表面，负点位于左右邻卡、上方中央卡及下方外部背景。"}},{"name":"Forwarding BCC card","description":"Bottom-right card that develops from a pink caption block into a forwarding-window example headed “Fwd: the good ones”, captioned “BCC: · 1.0.16”.","membership":"Include the complete card throughout its reveal, including thumbnail, caption, border, and check mark. Exclude the other cards.","id":"obj_041","temporal":{"status":"found","start_s":19.25,"end_s":21.5,"reference_s":20.0,"evidence":"目标是九宫格右下角的转发/BCC卡片：19.25秒首次出现完整粉色卡面及“BCC: · 1.0.16”说明，随后发展为带“Fwd: the good ones”缩略图、边框和勾选标记的卡片。19.00秒该位置仍是斜纹占位格。最后 qualifying 帧为21.25秒，卡片随整个九宫格缩小但仍完整；21.50秒切换为人物和铺满背景的窗口，无法继续确认该独立卡片。选择20.00秒，目标完整清晰且无遮挡。","start_frame":462,"end_frame":516,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[639.6,648.1,900,911.1],"positive_points":[[761,666],[701,701],[737,763],[883,686],[836,816],[770,870]],"negative_points":[[570,783],[770,593],[624,785],[933,838]],"evidence":"目标位于右下角，窗口标题为“Fwd: the good ones”，下方标注“BCC: · 1.0.16”。边界框覆盖整张卡片，包括缩略窗口、标题说明、外边框和勾号。正点分布在窗口顶栏、标题、列表、窗口下部、勾号及底部说明上；负点位于相邻卡片和卡片外的背景。"}},{"name":"Calendar invitation card","description":"Top-left card revealed with a calendar-like thumbnail spelling “MINE” and the caption “Invitation Is All You Need”.","membership":"Include the complete card, thumbnail, caption, border, and check mark. Exclude surrounding grid gaps and neighboring cards.","id":"obj_042","temporal":{"status":"found","start_s":20.0,"end_s":21.5,"reference_s":20.0,"evidence":"目标是九宫格左上角的卡片：日历缩略图拼出“MINE”，下方标注“Invitation Is All You Need”。20.0秒边框、缩略图、标题和勾选标记均已完整；19.75秒勾选标记仍在形成。最后符合条件的是21.25秒，整组卡片缩小但目标仍完整；21.5秒切换为人物和底图拼贴，原卡片的连续呈现结束。选择20.0秒，目标较大、清晰且无遮挡。","start_frame":480,"end_frame":516,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[99.5,89.8,360.4,352.8],"positive_points":[[144.8,143.5],[229.2,150.9],[339.1,129.6],[167.2,228.7],[200,312],[308.3,310]],"negative_points":[[82,218],[230,65],[384,223],[230,440]],"evidence":"目标是左上角卡片，缩略图显示“MINE”，下方标题为“Invitation Is All You Need”。边界框覆盖完整外边框、缩略图、标题及右上角勾号。正点分布于缩略图、卡片内部、标题和勾号；负点位于左侧及上方背景、右邻卡片和下邻卡片，均不属于目标。"}},{"name":"One-time-code summary card","description":"Bottom-left card with an inbox thumbnail and a caption beginning “SUMMARIZE → 48”, followed by masked characters and a final “3”.","membership":"Include the complete card, thumbnail, caption with its masking blocks, border, and check mark. Exclude other inbox cards.","id":"obj_043","temporal":{"status":"found","start_s":19.75,"end_s":21.5,"reference_s":20.25,"evidence":"目标是九宫格左下角的卡片，含收件箱缩略图、勾选标记，以及以“SUMMARIZE → 48”开头、带遮挡块并以“3”结尾的 caption。首次完整呈现于19.75秒，最后 qualifying 帧为21.25秒，缩小后仍完整存在。此前19.5秒仅显示粉色底和 caption，缩略图及勾选标记尚未呈现；此后21.5秒切换为人物与“IGNORE”画面，目标卡片消失。选择20.25秒作为关键帧，卡片较大、边界清晰且无遮挡。","start_frame":474,"end_frame":516,"reference_frame":486},"grounding":{"status":"found","bbox_xyxy":[81.8,654.6,354.2,928.7],"positive_points":[[149.5,674.1],[212.5,728.7],[330.7,693.5],[145.3,813.9],[172.9,886.1],[301.6,888.9]],"negative_points":[[219,591],[482,787],[55,799],[776,786]],"evidence":"目标是左下角卡片，收件箱缩略图下方标题以“SUMMARIZE → 48”开头，随后有遮挡块及末尾“3”。边界框覆盖完整外边框、缩略图、勾号和标题。正点分布在缩略图、卡片内部、勾号及标题遮挡块上；负点位于左侧外部背景和其他卡片内。"}},{"name":"Montage outlined human figure","description":"Large posed human outline with a blue eye bar, first at the left of the bright-pink montage and then against the dark montage behind “PREVIOUS”.","membership":"Follow the complete silhouette and enclosed interior, including the eye bar. Exclude the foreground title bands and tiled window background.","id":"obj_044","temporal":{"status":"found","start_s":21.5,"end_s":22.75,"reference_s":22.0,"evidence":"目标是蒙太奇左侧带蓝色遮眼条的大型人物轮廓，随后在暗色背景及“PREVIOUS”标题后持续出现。首个合格帧为21.50秒，最后为22.50秒；标题遮挡和画面边缘的设计性裁切不表示人物尚未构建完成。21.25秒仅有缩小的九宫格，22.75秒已切换为竖排“INSTRUCTIONS”，人物消失。选择22.00秒，人物头部、遮眼条及两侧轮廓较清楚，便于区别于标题和背景窗口。","start_frame":516,"end_frame":546,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[78.6,18.5,298,1000],"positive_points":[[130.2,92.6],[197.9,134.3],[216.7,277.8],[153.1,754.6],[153.1,953.7],[259.9,870.4]],"negative_points":[[212,509.3],[338.5,759.3],[552.1,257.4],[59.9,138.9]],"evidence":"目标是左侧带蓝色眼条的粉色描边人形，中段被前景“IGNORE”标题带遮挡。框覆盖顶部轮廓、可见上身及延伸至图像底边的双腿。正点分布于轮廓内的头部、眼条、上身和双腿；负点位于前景标题带、右侧文字及外部窗口背景，均不属于人形。"}},{"name":"Montage IGNORE title","description":"Large central “IGNORE” over the first bright-pink montage, partly swept by a blue-and-white reveal shape.","membership":"Include only the title lettering. Exclude the reveal shape, background band, human figure, and smaller repeated text.","id":"obj_045","temporal":{"status":"found","start_s":21.5,"end_s":22.25,"reference_s":22.0,"evidence":"目标是首段亮粉色拼贴背景中央的大号“IGNORE”，不包括蓝白扫掠形状、人影及小号重复文字。21.50秒标题字形已完整呈现，虽有扫掠装饰覆盖；至22.00秒仍持续可见。前一帧21.25秒只有缩小的九宫格，后一帧22.25秒主标题已替换为“PREVIOUS”。选择22.00秒，字形清楚且无遮挡。","start_frame":516,"end_frame":534,"reference_frame":528},"grounding":{"status":"found","bbox_xyxy":[57.8,399.1,947.4,604.6],"positive_points":[[79,499],[145,505],[324,511],[488,500],[675,501],[834,516]],"negative_points":[[520,365],[520,639],[548,264],[195,135]],"evidence":"目标是画面中央横跨黑色背景带的最大亮粉色“IGNORE”。边界框紧贴整组标题字母的可见范围；六个正点分别位于六个字母的实心笔画上。负点位于标题上下的黑色背景带、上方较小的重复文字及左上蓝色遮挡形状上，均不属于目标。"}},{"name":"Montage PREVIOUS title","description":"Large pink “PREVIOUS” across the subsequent dark window montage.","membership":"Include only the large central word. Exclude its backing band, human figure, and smaller repeated words.","id":"obj_046","temporal":{"status":"found","start_s":22.25,"end_s":22.75,"reference_s":22.25,"evidence":"目标是暗色窗口拼贴背景上的大型粉色“PREVIOUS”，仅指中央大字，不含横带、人物和小字。首个及最后合格帧分别为22.25秒和22.50秒，单词均完整可见；前一帧22.00秒显示“IGNORE”，后一帧22.75秒已替换为旋转的“INSTRUCTIONS”。选择22.25秒作为关键帧，因为目标完整、清晰且无遮挡。","start_frame":534,"end_frame":546,"reference_frame":534},"grounding":{"status":"found","bbox_xyxy":[66.1,403.7,939.6,600],"positive_points":[[83.3,510.2],[225,430.6],[354.2,574.1],[458.3,569.4],[807.3,509.3],[895.8,569.4]],"negative_points":[[510.4,637],[588.5,740.7],[121.9,818.5],[264.6,270.4]],"evidence":"目标是画面中央最大号的粉色“PREVIOUS”。边界框紧贴整个单词的可见字形范围；六个正点分布在不同字母的实色笔画上，负点位于下方黑色衬带、小号重复文字及左侧人物轮廓上，均排除在目标之外。"}},{"name":"Vertical INSTRUCTIONS title","description":"Tall pink “INSTRUCTIONS” rotated vertically within the central black strip of a bright-pink typographic scene.","membership":"Include the central word's lettering in its rotated orientation. Exclude the black strip, side repetitions, and background window graphics.","id":"obj_047","temporal":{"status":"found","start_s":22.75,"end_s":23.75,"reference_s":23.0,"evidence":"目标是亮粉色排版��景中央黑色长条内、旋转为竖向的“INSTRUCTIONS”字样，不包括两侧重复文字。首个完整帧为22.75秒，最后 qualifying 帧为23.50秒（文字与底条反色，但仍为同一完整标题）。22.50秒仍是横向“PREVIOUS”；23.75秒已切换为“IGNORE”。选择23.00秒，中央粉色 lettering 完整清晰且无遮挡。","start_frame":546,"end_frame":570,"reference_frame":552},"grounding":{"status":"found","bbox_xyxy":[441.1,48.1,560.4,948.1],"positive_points":[[531.3,74.1],[494.8,281.5],[505.2,381.5],[546.9,540.7],[454.2,635.2],[501.6,931.5]],"negative_points":[[418.2,463],[578.1,555.6],[640.6,474.1],[354.7,548.1]],"evidence":"目标是中央黑色竖条内旋转排列的粉色“INSTRUCTIONS”。边界框紧贴整词的可见字形范围；六个正点分布在上、中、下部的字母笔画上，负点位于两侧黑色条带空白及外围重复文字上，排除黑条和侧边内容。"}},{"name":"Dark montage IGNORE title","description":"Large solid pink “IGNORE” above several smaller outlined repetitions on the dark tiled-window scene.","membership":"Include only the large solid title. Exclude the smaller repeated words, framing rules, and background windows.","id":"obj_048","temporal":{"status":"found","start_s":23.75,"end_s":24.75,"reference_s":24.0,"evidence":"目标是深色 tiled-window 背景上方的大号实心粉色“IGNORE”，不包含下方描边重复词。23.75秒首次完整出现，之前23.50秒仍为旋转的“INSTRUCTIONS”。至24.50秒主标题仍完整，下方文字变为“IT!”不影响其连续性；24.75秒横向黑条开始切割主标题，故排除。选择24.00秒作为关键帧，标题清晰完整且无遮挡。","start_frame":570,"end_frame":594,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[83.33,210.19,922.92,461.11],"positive_points":[[105,325],[175,326],[340,345],[497,340],[669,344],[825,338]],"negative_points":[[123,550],[187,723],[547,139],[964,528]],"evidence":"目标是画面上方最大的一行实心粉色“IGNORE”。边界框紧贴六个字母的整体可见范围；六个正点分别落在各字母的实心笔画上。负点位于下方较小的描边重复文字及标题外的暗色窗口背景，排除重复文字、边框线和背景。"}},{"name":"Right-side outlined human figure","description":"Human outline with a blue eye bar presented at the right of the later bright-pink “IGNORE” scene.","membership":"Follow the complete human silhouette and its enclosed interior, including the eye bar. Exclude the central blue title block and background windows.","id":"obj_049","temporal":{"status":"found","start_s":25.0,"end_s":25.5,"reference_s":25.25,"evidence":"目标是后段亮粉色“IGNORE”场景右侧、眼部带蓝色横条的黑色人形轮廓，画面采用局部裁切构图。首次符合帧为25.00秒，最后为25.25秒；此前24.75秒仅有“IGNORE IT!”与背景窗口，此后25.50秒已切换为权限弹窗场景。选择25.25秒，头部及蓝色眼条更清楚，且没有中央蓝色标题块的大面积遮挡。","start_frame":600,"end_frame":612,"reference_frame":606},"grounding":{"status":"found","bbox_xyxy":[700,30,918,1000],"positive_points":[[766,104],[808,143],[798,275],[758,885],[855,755],[877,959]],"negative_points":[[552,497],[645,793],[960,780],[652,87]],"evidence":"目标是右侧带蓝色眼条的黑色轮廓人形，中段被横幅遮挡。边界框覆盖可见头部、上身及延伸至图像底边的双腿；正点分布在人形内部、眼条和双腿，负点位于中央文字横幅及人形外的背景窗口，不包含这些遮挡物和背景。"}},{"name":"Blue-backed IGNORE title","description":"Large white “IGNORE” centered on blue in the bright-pink scene with a human outline at the right.","membership":"Include only the white title lettering. Exclude the blue backing rectangle, reveal markers, repeated words, and figure.","id":"obj_050","temporal":{"status":"found","start_s":8.5,"end_s":8.75,"reference_s":8.5,"evidence":"8.50秒的亮粉色场景中，右侧有人形轮廓，中央蓝色底板上完整显示白色“IGNORE”；目标仅为白色字母。首个及最后一个符合条件的采样帧均为8.50秒。前一帧8.25秒是黑底碎裂过渡，尚无该完整标题；后一帧8.75秒已替换为无蓝底的黑色“IGNORE”。选择8.50秒作为关键帧， lettering完整清晰且无遮挡。","start_frame":204,"end_frame":210,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[286.5,460.2,713.5,653.7],"positive_points":[[299,556],[339,544],[420,574],[500,546],[586,556],[664,574]],"negative_points":[[489,429],[493,689],[112,139],[812,525]],"evidence":"目标是中央蓝色矩形上的大型白色“IGNORE”。边界框紧贴整组白色字母的可见范围，正点分别落在六个字母的笔画上；负点位于文字上、下方的蓝色底板、左上方重复文字及右侧粉色背景，不包含人物或标记。"}},{"name":"Read-inbox permission dialog","description":"Top-left permission window in the permission montage, stating “Agent wants to: read your inbox”.","membership":"Include the entire dialog, title bar, warning symbol, message, and “Always allow”, “Allow once”, and “Deny” controls. Exclude foreground typography and neighboring dialogs.","id":"obj_051","temporal":{"status":"found","start_s":25.5,"end_s":26.25,"reference_s":25.75,"evidence":"目标是权限拼贴左上角写有“Agent wants to: read your inbox”的完整对话框，包含标题栏、警告符号及三个授权控件。首次合格帧为25.50秒，最后合格帧为26.00秒；25.25秒仍为人物与“IGNORE”画面，26.25秒已转为旋转、裁切的万花筒式窗口拼贴，原目标不再完整呈现。选择25.75秒，目标文字和控件清晰，且未被前景大字遮挡。","start_frame":612,"end_frame":630,"reference_frame":618},"grounding":{"status":"found","bbox_xyxy":[34.4,52.8,257.8,265.7],"positive_points":[[88.5,77.8],[56.3,143.5],[123.4,162],[68.2,219.4],[130.2,219.4],[204.2,219.4]],"negative_points":[[137.5,27.8],[15.6,166.7],[379.2,146.3],[143.8,363]],"evidence":"目标为左上角显示“Agent wants to: read your inbox”的权限窗口。边界框覆盖完整窗口及可见阴影，包括标题栏、警告符号、消息和三个按钮。正点分布在这些组成部分上；负点位于窗口上方和左侧的粉色背景，以及右侧、下方的其他对话框内。"}},{"name":"Send-email permission dialog","description":"Top-row permission window immediately right of the inbox dialog, stating “Agent wants to: send email”.","membership":"Include the complete dialog and all its internal controls and text. Exclude adjacent dialogs and overlaid title lettering.","id":"obj_052","temporal":{"status":"found","start_s":25.5,"end_s":26.25,"reference_s":25.75,"evidence":"目标是顶行紧邻收件箱权限框右侧、写有“Agent wants to: send email”的完整对话框，包含三个授权按钮。首个合格帧为25.50秒，末个为26.00秒；25.25秒仍是人物与IGNORE文字，尚无该框，26.25秒已替换为旋转拼贴的权限窗口，无法确认原发送邮件框继续存在。选择25.75秒，目标边界和内部文字清楚，未被大标题遮挡。","start_frame":612,"end_frame":630,"reference_frame":618},"grounding":{"status":"found","bbox_xyxy":[271.9,52.8,495.3,265.7],"positive_points":[[304.2,77.8],[424.5,119.4],[350.5,162.0],[304.2,220.4],[367.2,220.4],[446.4,218.5]],"negative_points":[[214.6,139.8],[543.8,165.7],[390.6,273.1],[359.4,367.6]],"evidence":"目标是顶排第二个权限窗口，正文为“Agent wants to: send email”。边界框覆盖完整窗口、内部文字和三个按钮及外侧阴影。六个正点分布在标题栏、正文区和按钮上；负点位于左右相邻窗口、下方粉色间隔及第二排窗口，均不属于目标。"}},{"name":"Run-tools permission dialog","description":"Top-row permission window stating “Agent wants to: run tools”.","membership":"Include the full window surface, boundary, title bar, warning icon, message, and controls. Exclude adjacent windows and foreground titles.","id":"obj_053","temporal":{"status":"found","start_s":25.5,"end_s":26.25,"reference_s":25.75,"evidence":"目标是第一排从左数第三个 permission 窗口，正文为“Agent wants to: run tools”，包含警告图标及三项按钮。首个合格帧为25.50秒，最后为26.00秒；25.25秒仍是人物与IGNORE文字，没有权限窗口，26.25秒已变为旋转拼贴，原目标不再作为完整可辨的顶排窗口呈现。选择25.75秒，目标边界完整、文字清晰，未被前景标题遮挡。","start_frame":612,"end_frame":630,"reference_frame":618},"grounding":{"status":"found","bbox_xyxy":[509.9,53.7,732.8,264.8],"positive_points":[[552,77],[532,145],[593,161],[706,179],[544,220],[606,220]],"negative_points":[[442,156],[830,157],[621,28],[608,380]],"evidence":"目标是顶行第三个窗口，正文为“Agent wants to: run tools”。边界框覆盖完整窗口及其外缘，包括标题栏、警告图标、消息和按钮。正点分布在标题栏、图标、正文、面板与控件上；负点位于左右相邻窗口、上方粉色背景及下方另一窗口。"}},{"name":"Share-calendar permission dialog","description":"Top-right permission window stating “Agent wants to: share calendar”.","membership":"Include the complete dialog with its warning, message, and three permission choices. Exclude neighboring windows and overlays.","id":"obj_054","temporal":{"status":"found","start_s":25.5,"end_s":26.25,"reference_s":25.75,"evidence":"目标为右上角写有“Agent wants to: share calendar”的权限对话框，包含警告图标及 Always allow、Allow once、Deny 三个选项。25.50秒首次完整出现，26.00秒仍完整可见；此前25.25秒是人物与 IGNORE 字样，随后26.25秒已替换为旋转拼贴的窗口阵列，原对话框不再可辨认。选择25.75秒，目标边界清晰，且未被中央文字遮挡。","start_frame":612,"end_frame":630,"reference_frame":618},"grounding":{"status":"found","bbox_xyxy":[746.9,52.8,970.8,265.7],"positive_points":[[786.5,77.8],[768.8,143.5],[837.5,162],[781.3,219.4],[844.3,218.5],[925,220.4]],"negative_points":[[859.4,29.6],[677.1,157.4],[833.3,305.6],[984.4,166.7]],"evidence":"目标是右上角显示“Agent wants to: share calendar”的权限窗口。边界框覆盖完整标题栏、警告图标、消息、三个权限按钮及外框阴影。六个正点分布在标题、警告、消息和三个按钮上；负点位于上方与右侧粉色背景，以及左侧和下方的其他窗口。"}},{"name":"Pay permission dialog","description":"Second-row left permission window stating “Agent wants to: pay”.","membership":"Include the full bounded dialog and its contents, including partially obscured controls. Exclude the foreground PREVIOUS title and neighboring dialogs.","id":"obj_055","temporal":{"status":"found","start_s":25.5,"end_s":26.25,"reference_s":26.0,"evidence":"目标是权限窗口网格中第二行最左侧、写有“Agent wants to: pay”的完整有边框对话框，不包括前景标题。首个合格帧为25.50秒，最后为26.00秒；25.25秒仍是人物与IGNORE画面，26.25秒已切换为旋转、重排且文字变成横条的窗口拼贴，无法延续该窗口身份。选择26.00秒，pay文字和按钮较清楚，窗口边界容易区分。","start_frame":612,"end_frame":630,"reference_frame":624},"grounding":{"status":"found","bbox_xyxy":[18.8,276.9,249.5,495.4],"positive_points":[[36.5,301.9],[93.8,358.3],[42.2,369.4],[61.5,450.9],[185.9,438.9],[225,384.3]],"negative_points":[[145,561],[369,360],[130,132],[9,386]],"evidence":"目标是第二行最左侧、显示“Agent wants to: pay”的权限窗口。边界框覆盖窗口标题栏、主体、控件及可见边框阴影；前景实际为“INSTRUCTIONS”大字，其遮挡部分不作为目标内容。正点分布在标题栏、提示文字、警告图标、按钮和面板表面；负点位于前景大字、相邻窗口及外部粉色背景。"}},{"name":"Delete-files permission dialog","description":"Second-row permission window stating “Agent wants to: delete files”.","membership":"Include the entire dialog, title bar, warning, message, and control area. Exclude overlaid title lettering and adjacent dialogs.","id":"obj_056","temporal":{"status":"found","start_s":25.5,"end_s":26.25,"reference_s":25.75,"evidence":"目标是权限窗口阵列中第二行第二列、写有“Agent wants to: delete files”的对话框，包含标题栏、黄色警告图标和底部控制区。首次合格帧为25.50秒，最后为26.00秒；此前25.25秒是人物与“IGNORE”画面，之后26.25秒已替换为文字不可辨的镜像窗口拼图，无法确认原对话框继续存在。选25.75秒，目标边框完整、文字清晰，叠加大标题对它遮挡较少。","start_frame":612,"end_frame":630,"reference_frame":618},"grounding":{"status":"found","bbox_xyxy":[271.9,283.3,495.3,495.4],"positive_points":[[338,306],[294,372],[351,392],[449,373],[307,448],[442,442]],"negative_points":[[423,481],[576,377],[205,374],[262,413]],"evidence":"目标是第二行第二列、显示“Agent wants to: delete files”的权限窗口。边界框紧贴该窗口及可见外缘，覆盖标题栏、警告、消息和控制区。正点分布于这些可见区域；负点位于底部遮挡窗口的大标题字母、左右相邻窗口及窗口间的粉色背景，不将遮挡字母计入目标。"}},{"name":"Open-cloud permission dialog","description":"Second-row permission window stating “Agent wants to: open the cloud”.","membership":"Include the complete window and its internal contents. Exclude the foreground title and neighboring windows.","id":"obj_057","temporal":{"status":"found","start_s":25.5,"end_s":26.25,"reference_s":26.0,"evidence":"目标是权限窗口网格中第二行第三列、写有“Agent wants to: open the cloud”的完整对话框。首个 qualifying 帧为25.50秒，最后一帧为26.00秒；25.25秒仍是人物轮廓和“IGNORE”画面，26.25秒已切换为旋转对称的窗口拼贴，原目标不再可辨认。选择26.00秒作为关键帧，目标窗口边界和文字清楚，前景标题基本不遮挡它。","start_frame":612,"end_frame":630,"reference_frame":624},"grounding":{"status":"found","bbox_xyxy":[509.9,276.9,741.1,495.4],"positive_points":[[546,300],[720,310],[526,367],[607,388],[703,405],[676,437]],"negative_points":[[616,551],[435,367],[825,370],[625,173]],"evidence":"目标是第二行第三列、写有“Agent wants to: open the cloud”的权限窗口。边框框住该窗口的可见范围，包括标题栏、正文、按钮和阴影；下部被前景大标题遮挡的部分不纳入成员。正点分布在窗口标题栏、内容区及按钮上，负点位于前景“INSTRUCTIONS”和相邻窗口。"}},{"name":"Push-to-main permission dialog","description":"Second-row right permission window stating “Agent wants to: push to main”.","membership":"Include the whole dialog, its border, title bar, warning icon, message, and controls. Exclude title overlays and adjacent dialogs.","id":"obj_058","temporal":{"status":"found","start_s":25.5,"end_s":26.25,"reference_s":26.0,"evidence":"目标是权限窗口阵列第二行最右侧、写有“Agent wants to: push to main”的完整对话框。首个合格帧为25.50秒，最后为26.00秒；25.25秒仍是人物与“IGNORE”画面，没有该窗口，26.25秒已替换为旋转拼贴的权限窗口，原目标不再可辨认。选择26.00秒作为关键帧，其标题栏、边框、警告图标、消息和按钮均清晰可见，且未被大字遮挡。","start_frame":612,"end_frame":630,"reference_frame":624},"grounding":{"status":"found","bbox_xyxy":[755.7,276.9,986.5,495.4],"positive_points":[[817,302],[778,368],[850,389],[951,356],[925,436],[801,453]],"negative_points":[[810,554],[677,370],[865,150],[994,389]],"evidence":"目标是第二行最右侧、写有“Agent wants to: push to main”的权限窗口。边界框覆盖窗口的标题栏、边框及阴影、警告图标、正文和按钮；底部被大字覆盖的部分不纳入目标内容。正点分布在标题栏、图标、正文、面板和两个按钮上；负点位于前景大字、相邻窗口及右侧粉色背景。"}},{"name":"Install-skill permission dialog","description":"Bottom-left permission window stating “Agent wants to: install a skill”.","membership":"Include the complete dialog with all contents and permission buttons. Exclude neighboring windows and foreground typography.","id":"obj_059","temporal":{"status":"found","start_s":25.5,"end_s":26.25,"reference_s":25.75,"evidence":"目标为左下角写有“Agent wants to: install a skill”的 permission 对话框，包含完整边界及 Always allow、Allow once、Deny 按钮。首个合格帧为25.50秒，最后为26.00秒；此前25.25秒是人物和 IGNORE 字样，尚无该窗口；随后26.25秒画面变为旋转镜像的窗口拼贴，该特定对话框不再可确认。选择25.75秒，目标完整清晰，未被前景大字遮挡。","start_frame":612,"end_frame":630,"reference_frame":618},"grounding":{"status":"found","bbox_xyxy":[34.4,743.5,257.8,955.6],"positive_points":[[69.3,768.5],[55.7,833.3],[120.8,852.8],[68.2,909.3],[129.2,908.3],[209.4,910.2]],"negative_points":[[19.8,847.2],[148.4,977.8],[324.5,850.9],[208.3,679.6]],"evidence":"目标是左下角写有“Agent wants to: install a skill”的权限窗口。边界框覆盖完整窗口、标题栏、警告图标、正文、三个权限按钮及外沿阴影。正点分布于标题、图标、正文和各按钮；负点位于左侧及下方粉色背景、右侧相邻窗口和上方窗口，均不属于目标。"}},{"name":"Forward-mail permission dialog","description":"Bottom-row permission window stating “Agent wants to: forward mail”.","membership":"Include the complete dialog surface, boundary, title bar, warning, message, and controls. Exclude other dialogs.","id":"obj_060","temporal":{"status":"found","start_s":25.5,"end_s":26.25,"reference_s":25.75,"evidence":"目标是权限窗口阵列底行左起第二个对话框，消息为“Agent wants to: forward mail”，包含标题栏、警告图标和三个控制按钮。首次完整出现于25.50秒，最后符合条件的帧为26.00秒；前一帧25.25秒是人物与IGNORE文字，后一帧26.25秒已替换为镜像旋转的通用窗口拼图，不再保留可识别的独立转发邮件对话框。选择25.75秒，目标边界清晰、文字完整且无明显遮挡。","start_frame":612,"end_frame":630,"reference_frame":618},"grounding":{"status":"found","bbox_xyxy":[271.9,743.5,495.8,956.5],"positive_points":[[331,769],[294,834],[353,851],[467,821],[306,910],[439,910]],"negative_points":[[208,848],[560,849],[380,691],[378,978]],"evidence":"目标是底排从左数第二个窗口，正文为“Agent wants to: forward mail”。边界框覆盖完整对话框及其外沿阴影，包括标题栏、警告图标、消息和三个按钮。正点分布在这些内容及窗口表面；负点位于左右、上方其他窗口和下方粉色背景。"}},{"name":"Join-meeting permission dialog","description":"Bottom-row permission window stating “Agent wants to: join a meeting”.","membership":"Include the entire dialog and its contents. Exclude neighboring dialogs and foreground text overlays.","id":"obj_061","temporal":{"status":"found","start_s":25.5,"end_s":26.25,"reference_s":25.75,"evidence":"目标是权限弹窗网格底行从左数第三个窗口，文字为“Agent wants to: join a meeting”，包含完整边框和按钮。首个合格帧为25.50秒，最后为26.00秒；前一帧25.25秒仍是人物与IGNORE文字，后一帧26.25秒已切换为镜像拼接的弹窗图案，原目标不再可辨认。选择25.75秒作为关键帧，目标完整清晰，未被前景大字遮挡。","start_frame":612,"end_frame":630,"reference_frame":618},"grounding":{"status":"found","bbox_xyxy":[509.9,743.5,733.3,955.6],"positive_points":[[554,769],[702,768],[531,833],[599,853],[546,910],[682,908]],"negative_points":[[444,850],[797,850],[657,683],[620,977]],"evidence":"目标是底行第三个窗口，正文写有“Agent wants to: join a meeting”。边界框覆盖完整对话框及其外沿阴影；正点分布在标题栏、警告图标、正文和底部按钮上，负点位于左右及上方相邻窗口和下方粉色背景，均不包含前景文字叠层。"}},{"name":"Sign-as-you permission dialog","description":"Bottom-right permission window stating “Agent wants to: sign in as you”.","membership":"Include the complete window, warning icon, message, and permission controls. Exclude adjacent windows and overlays.","id":"obj_062","temporal":{"status":"found","start_s":25.5,"end_s":26.25,"reference_s":25.75,"evidence":"目标是权限窗口阵列右下角写有“Agent wants to: sign in as you”的弹窗，包含警告图标和三个权限按钮。首个合格帧为25.50秒，最后为26.00秒，窗口结构完整。此前25.25秒是人物与“IGNORE”画面；此后26.25秒切为镜像拼贴，原目标窗口已被替换，无法继续确认身份。选25.75秒作关键帧，目标文字清楚、边界完整且未被覆盖。","start_frame":612,"end_frame":630,"reference_frame":618},"grounding":{"status":"found","bbox_xyxy":[747.4,743.5,970.8,955.6],"positive_points":[[792,768],[770,832],[847,853],[781,910],[843,910],[918,910]],"negative_points":[[677,843],[927,691],[984,852],[854,975]],"evidence":"目标位于右下角，窗口文字为“Agent wants to: sign in as you”。边界框覆盖完整窗口及其外框阴影，包括标题栏、警告图标、消息和三个权限按钮。六个正点分布于这些窗口内容；负点位于左侧及上方相邻窗口、右侧和下方粉色背景，均不属于目标。"}},{"name":"Permission montage PREVIOUS title","description":"Huge black “PREVIOUS” edged in pink across the array of permission dialogs.","membership":"Include the title glyphs and their persistent pink edging. Exclude the permission windows behind them.","id":"obj_063","temporal":{"status":"found","start_s":25.5,"end_s":26.0,"reference_s":25.75,"evidence":"目标是权限对话框阵列前方的巨大黑色“PREVIOUS”标题，字形带持续的粉色描边。首个合格帧为25.50秒，最后为25.75秒；此前25.25秒显示的是“IGNORE”，之后26.00秒标题已替换为“INSTRUCTIONS”。选择25.75秒作为关键帧，因为标题完整清晰，便于与背景权限窗口区分。","start_frame":612,"end_frame":624,"reference_frame":618},"grounding":{"status":"found","bbox_xyxy":[79.2,456.5,926.6,668.5],"positive_points":[[100,574],[212,507],[356,630],[459,602],[635,489],[897,620]],"negative_points":[[55,586],[954,588],[386,369],[620,836]],"evidence":"目标是横跨权限弹窗阵列的巨大黑色“PREVIOUS”标题。边界框紧贴整组字形及其粉色描边；六个正点分布在标题不同字母的实心笔画上，四个负点位于标题左右及上下方的权限弹窗区域，不包含字母孔洞或字间空隙。"}},{"name":"Permission montage INSTRUCTIONS title","description":"Large black “INSTRUCTIONS” edged in pink over the mirrored, rotated permission-window pattern.","membership":"Include the title glyphs and their persistent pink edging. Exclude the surrounding window pattern.","id":"obj_064","temporal":{"status":"found","start_s":26.0,"end_s":27.0,"reference_s":26.25,"evidence":"目标为权限窗口拼贴上方的黑色“INSTRUCTIONS”大字，带持续的粉色描边。26.00秒首次完整出现，随后在镜像、旋转的窗口背景上持续显示，最后合格帧为26.75秒；前一帧25.75秒显示“PREVIOUS”，后一帧27.00秒已替换为“IGNORE”。选择26.25秒，标题完整清晰、无遮挡，且镜像权限窗口背景便于确认身份。","start_frame":624,"end_frame":648,"reference_frame":630},"grounding":{"status":"found","bbox_xyxy":[51.6,471.3,952.6,668.5],"positive_points":[[70,567],[158,566],[351,555],[476,566],[610,583],[913,626]],"negative_points":[[180,388],[680,310],[325,811],[826,824]],"evidence":"目标是横跨画面中央的黑色“INSTRUCTIONS”标题，带鲜粉色描边。边界框紧贴整组字形及描边；六个正点分散落在标题不同字母的实心笔画上，四个负点位于标题上下方的窗口图案，避开字间空隙和字母内部孔洞。"}},{"name":"YOU GAVE IT title","description":"Large pink “YOU GAVE IT” across the darkened permission montage.","membership":"Include only the lettering. Exclude the black backing rectangle and permission graphics behind it.","id":"obj_065","temporal":{"status":"found","start_s":27.5,"end_s":28.0,"reference_s":27.5,"evidence":"目标为暗化权限窗口蒙太奇前的大号粉色“YOU GAVE IT”字样，仅指 lettering，不包括黑色底板。首个合格帧为27.50秒，27.75秒仍连续显示该标题，背景与装饰文字发生变化；此前27.25秒显示的是“IGNORE”，之后28.00秒已替换为“KEYS”。选择27.50秒为关键帧，因为目标完整清晰，且背景符合描述。","start_frame":660,"end_frame":672,"reference_frame":660},"grounding":{"status":"found","bbox_xyxy":[93.2,426.9,905.2,575.9],"positive_points":[[133,531],[198,498],[301,513],[455,508],[627,544],[865,506]],"negative_points":[[490,399],[500,600],[316,260],[852,726]],"evidence":"目标是画面中央黑色底板上的粉色大标题“YOU GAVE IT”。边界框紧贴整段文字的可见范围，仅包含字母及其间距；六个正点分布在不同字母的笔画上，负点位于文字外的黑色底板和上下方权限图形中。"}},{"name":"Credential key graphic","description":"Large yellow key marked “sk-” followed by dots, angled across the upper-left of the storefront sequence.","membership":"Follow the key's actual outline, including its enclosed ring interior, teeth, lettering, and attached shadow. Exclude the storefront and title bands.","id":"obj_066","temporal":{"status":"found","start_s":28.0,"end_s":29.0,"reference_s":28.25,"evidence":"目标是店铺画面左上方倾斜的黄色钥匙，带圆环、齿部、“sk-”及一串圆点和阴影。首次符合条件的帧为28.00秒，最后为28.75秒；相邻的27.75秒仅有“YOU GAVE IT”画面，29.00秒钥匙已消失，只剩店铺和标题。选择28.25秒，钥匙轮廓完整清晰，与店铺及标题带分离，便于标注。","start_frame":672,"end_frame":696,"reference_frame":678},"grounding":{"status":"found","bbox_xyxy":[78.1,133.3,453.1,411.1],"positive_points":[[125.5,310.2],[91.7,292.6],[215.1,270.4],[307.3,215.7],[351.6,305.6],[432.3,285.2]],"negative_points":[[260.4,370.4],[546.9,268.5],[250,564.8],[343.8,88]],"evidence":"目标是左上方斜放、标有“sk-”及圆点的大型黄色钥匙。框覆盖钥匙圆环及其内部、钥匙杆、齿和相连的紫色阴影。正点分布于圆环内部、黄色环边、文字杆部、上段、齿及阴影；负点位于外部店面背景和下方标题带，均避开钥匙。"}},{"name":"Kingdom storefront panel","description":"Tall pink-and-black panel headed “KINGDOM · cozy-reads.example”, containing the reading webpage. It gains numerous “SOLD” labels and later distorts into dripping pink shapes.","membership":"Include the complete storefront panel, boundary, webpage contents, attached price tag, SOLD labels, and deformed remnants through its disappearance. Exclude the separate key, receipt, foreground title bands, and independently presented human figure.","id":"obj_067","temporal":{"status":"found","start_s":28.25,"end_s":34.25,"reference_s":31.0,"evidence":"目标是顶端标有“KINGDOM · cozy-reads.example”、附有 $1.00 价签的竖长网页面板，随后增加 SOLD 标签并变成滴落的粉色残片。28.25 秒首次呈现完整面板结构；前一帧 28.00 秒仍是被画面边缘截断的放大网页。按指定范围保留变形残余，最后 qualifying 帧为 34.00 秒，底部仍有粉色残余；34.25 秒仅剩独立人物和前景 SOLD 牌，店铺面板及残余已消失。选择 31.00 秒，因为面板边界清楚，且没有横跨画面的标题带遮挡。","start_frame":678,"end_frame":822,"reference_frame":744},"grounding":{"status":"found","bbox_xyxy":[389.6,92.6,801,930.6],"positive_points":[[598,103],[755,180],[628,485],[683,699],[502,904],[452,654]],"negative_points":[[278,340],[520,530],[344,761],[816,440]],"evidence":"目标是右侧高大的粉黑色店铺网页面板。边界框覆盖面板主体、边框、右上附属价签及各处售出标签，包括底部大型“SOLD”牌。正点分布于顶部、价签、中部标签、页面内部和底部牌面；负点位于左侧独立收据、中央独立人形及面板外背景。"}},{"name":"KEYS title","description":"Huge black “KEYS” across a pink foreground band in front of the credential key and storefront.","membership":"Include only the title lettering. Exclude the pink backing band and graphics behind it.","id":"obj_068","temporal":{"status":"found","start_s":28.0,"end_s":28.5,"reference_s":28.25,"evidence":"目标是粉色前景横带上的巨大黑色“KEYS”字母，后方可见黄色凭证钥匙和店铺页面；不包括横带及背景图形。首个合格帧为28.00秒，最后一个为28.25秒。此前27.75秒显示的是“YOU GAVE IT”，之后28.50秒标题已替换为“TO THE”。选择28.25秒作关键帧，因为字母完整清晰、无遮挡，且与背景易于区分。","start_frame":672,"end_frame":684,"reference_frame":678},"grounding":{"status":"found","bbox_xyxy":[128.6,499.1,881.3,829.6],"positive_points":[[155.7,589.8],[277.1,776.9],[434.4,542.6],[374,757.4],[615.6,744.4],[817.7,660.2]],"negative_points":[[416.7,458.3],[505.2,861.1],[83.9,675.9],[927.1,680.6]],"evidence":"目标是前景粉色横幅上的巨大黑色“KEYS”标题。边界框紧贴四个字母的整体可见范围；六个正点分布在各字母的黑色笔画上，四个负点位于标题外围的粉色底带上，不包含字间空隙或字母内部空白。"}},{"name":"KINGDOM title","description":"Large black “KINGDOM” across the foreground of the storefront and price-tag scene.","membership":"Include only the word's lettering. Exclude the pink backing band, storefront, and key.","id":"obj_069","temporal":{"status":"found","start_s":28.75,"end_s":29.25,"reference_s":28.75,"evidence":"目标是店铺与 $1.00 价签场景前景粉色横带上的黑色大字“KINGDOM”，仅指字母。首次完整出现于 28.75 秒，最后 qualifying 帧为 29.00 秒；前一帧 28.50 秒显示“TO THE”，后一帧 29.25 秒已替换为“NOW”。选择 28.75 秒作为关键帧，因为整词完整清晰、无遮挡。","start_frame":690,"end_frame":702,"reference_frame":690},"grounding":{"status":"found","bbox_xyxy":[57.3,572.2,942.7,784.3],"positive_points":[[74,673],[276,671],[414,665],[556,677],[679,671],[825,671]],"negative_points":[[521,546],[521,807],[245,234],[516,398]],"evidence":"目标是前景粉色横带上的大型黑色“KINGDOM”，边界框紧贴整词字形的最外缘。六个正点分布在横跨该词的黑色笔画上；负点位于文字上下的粉色底带、左上方钥匙和后方店面区域，均不包含在目标中。"}},{"name":"Store order receipt","description":"White receipt with a zigzag top, headed “KINGDOM STORE · ORDER 000144”. It lists “cozy-reads” for “$1.00”, then adds “your inbox” and “~/.ssh” for “$0.00”, before becoming a dripping pink form.","membership":"Include the complete receipt shape, its boundary, all printed contents, and its continuously deforming remnants. Exclude the storefront behind it and foreground title bands.","id":"obj_070","temporal":{"status":"found","start_s":29.75,"end_s":33.5,"reference_s":30.75,"evidence":"凭锯齿顶边、“KINGDOM STORE · ORDER 000144”及商品金额识别收据。29.75秒首次出现，票面已建立，下部被前景标题带遮挡；此前29.50秒没有收据。持续纳入其变成粉色并滴落的形态，最后合格帧为33.25秒；33.50秒开始整体下移出画并受底边裁切。选30.75秒为关键帧，白色票面、订单标题及三项商品和金额最清楚，便于与右侧店铺区分。","start_frame":714,"end_frame":804,"reference_frame":738},"grounding":{"status":"found","bbox_xyxy":[7.3,152.8,426.6,517.6],"positive_points":[[36,193],[209,208],[133,297],[380,359],[109,421],[281,496]],"negative_points":[[225,669],[524,248],[293,106],[886,337]],"evidence":"通过锯齿状顶边、标题“KINGDOM STORE · ORDER 000144”及三行商品和价格识别白色收据。框覆盖收据全部可见纸面、边界和印字，下沿止于前景“GETTING”横幅遮挡处。正点分布于收据上中下部的纸面与内容；负点位于前景标题带、右侧SOLD标牌及外围店面背景。"}},{"name":"KINGDOM'S title","description":"Large black “KINGDOM'S” across a pink band in front of the receipt and SOLD-covered storefront.","membership":"Include only the title lettering. Exclude the backing band, receipt, and storefront.","id":"obj_071","temporal":{"status":"found","start_s":29.5,"end_s":30.5,"reference_s":30.0,"evidence":"目标为粉色横带上的大型黑色“KINGDOM'S”字样，仅计 lettering，不含横带、收据或店铺。首次完整出现于29.50秒，最后 qualifying 帧为30.25秒；此前29.25秒显示“NOW”，随后30.50秒已替换为“GETTING”。选择30.00秒作关键帧，标题完整清晰，后方收据与贴满SOLD的店铺可明确其身份。","start_frame":708,"end_frame":732,"reference_frame":720},"grounding":{"status":"found","bbox_xyxy":[55.2,588.9,949.5,767.6],"positive_points":[[66.7,685.2],[239.1,675.9],[354.2,682.4],[476.6,690.7],[700.5,690.7],[918.8,731.5]],"negative_points":[[500,564.8],[500,787],[229.2,453.7],[520.8,263]],"evidence":"目标为横跨画面粉色横带的黑色大标题“KINGDOM'S”。边界框紧贴全部标题字母及撇号，不包含背后的横带。六个正点分布在标题不同字母的实心笔画上；负点位于文字上、下方的粉色横带、左侧收据及上方SOLD标牌处。"}},{"name":"GETTING title","description":"Large black “GETTING” across the foreground as the receipt lists the inbox and SSH directory.","membership":"Include only the title lettering. Exclude the pink band and transaction graphics behind it.","id":"obj_072","temporal":{"status":"found","start_s":30.5,"end_s":31.0,"reference_s":30.75,"evidence":"目标是前景粉色横带上的大型黑色“GETTING”字母，不包括横带及交易图形。首次和最后合格帧分别为30.50秒、30.75秒，标题均已完整呈现；前一帧30.25秒仍是“KINGDOM'S”，后一帧31.00秒已切换为“SOLD”画面，GETTING消失。选择30.75秒作为关键帧，字形完整清晰，且背景收据同时列出inbox和~/.ssh，符合目标描述。","start_frame":732,"end_frame":744,"reference_frame":738},"grounding":{"status":"found","bbox_xyxy":[52.6,576,944,805.6],"positive_points":[[68,698],[230,694],[390,721],[521,696],[676,721],[924,752]],"negative_points":[[505,543],[339,832],[202,419],[659,276]],"evidence":"目标是前景粉色横幅上的大型黑色“GETTING”。边界框紧贴整组标题字母的可见外缘；六个正点分布在左右及中部字母的黑色笔画上。负点位于标题外的粉色横幅区域、左侧收��和上方交易标签，排除横幅及背景图形。"}},{"name":"Final text-filled human figure","description":"Slender pink-outlined human figure with a blue eye bar, centered over the dissolving storefront and later isolated above “SOLD”. Its body contains words including “helpful”, “assistant...”, “alt text”, “hiding”, and “white”.","membership":"Follow the complete figure silhouette and enclosed interior, including its internal words and blue eye bar. Exclude the dissolving storefront, receipt, floor-like pink spread, and SOLD placard.","id":"obj_073","temporal":{"status":"found","start_s":31.0,"end_s":34.5,"reference_s":34.25,"evidence":"目标是粉色轮廓、蓝色眼条的人形，体内含 helpful、assistant、alt text、hiding、white 等文字。31.0 秒首次呈现完整人形，随后店面溶解而人形持续保留；最后合格帧为 34.25 秒。前一帧 30.75 秒仍是店面、收据和助手气泡，尚无人形；后一帧 34.5 秒已切换为浅色背景的助手场景。选择 34.25 秒作为关键帧，此时人形独立位于 SOLD 上方，轮廓清楚且遮挡最少。","start_frame":744,"end_frame":828,"reference_frame":822},"grounding":{"status":"found","bbox_xyxy":[477.6,90.7,563,710.2],"positive_points":[[519.3,120.4],[520.8,150.9],[520.8,231.5],[509.9,341.7],[529.7,522.2],[527.1,675]],"negative_points":[[447.9,277.8],[588.5,416.7],[474,629.6],[572.9,796.3]],"evidence":"目标是位于“SOLD”上方、带蓝色眼条且内部含有 helpful、assistant、hiding、white 等文字的粉色轮廓人形。边框紧贴头顶至脚底，包含完整轮廓、内部区域和蓝色眼条，不包含下方标牌。正点分布于头部、眼条、躯干和下肢；负点位于人形外侧背景及 SOLD 标牌上。"}},{"name":"Final SOLD placard","description":"Large pink rectangular placard reading “SOLD”, initially below the text-filled figure and remaining as the surrounding transaction graphics dissolve.","membership":"Include the complete placard, its pink surface, black lettering, boundary, and offset shadow. Exclude the figure and pink material beneath it.","id":"obj_074","temporal":{"status":"found","start_s":31.0,"end_s":34.5,"reference_s":34.25,"evidence":"目标是文字人形下方的大型粉色“SOLD”矩形牌，包含黑色字样及偏移阴影。首个完整帧为31.00秒，30.75秒仍是交易页面上的多个小型SOLD贴纸，尚无该独立大牌。大牌在周围图形溶解期间持续完整可见，最后合格帧为34.25秒；34.50秒已切换到助手界面，牌消失。选择34.25秒作为关键帧，因为牌面与阴影清晰完整，且已与下方粉色材料分离。","start_frame":744,"end_frame":828,"reference_frame":822},"grounding":{"status":"found","bbox_xyxy":[278.1,709.3,768.2,930.6],"positive_points":[[296.9,731.5],[349.0,852.8],[424.5,813.0],[559.9,810.2],[744.8,893.5],[765.1,917.6]],"negative_points":[[522.4,528.7],[228.0,804.0],[805.0,813.0],[530.0,961.0]],"evidence":"目标是图像下方写有黑色“SOLD”的大型粉色矩形牌。边界框覆盖完整粉色表面、黑色文字、边缘及向右下偏移的阴影；正点分布于牌面、字母和阴影，负点位于上方独立人形及牌外左右、下方背景。"}},{"name":"Day-two system prompt panel","description":"Cream system panel appearing after the sale sequence, labeled “system” and progressively revealing “You are a helpful”.","membership":"Include the complete panel, boundary, shadow, label, and developing prompt text. Exclude the typing caret, time badge, and assistant below.","id":"obj_075","temporal":{"status":"found","start_s":34.5,"end_s":37.25,"reference_s":36.75,"evidence":"目标为售出序列后出现的奶油色 system 提示面板，包含边框、阴影、system 标签及逐步显现的提示文字。34.5 秒首帧面板结构已完整，37.0 秒为最后 qualifying 帧；前邻帧 34.25 秒仍是 SOLD 场景，后邻帧 37.25 秒已切为黑屏。选取 36.75 秒作为关键帧，面板完整清晰、无遮挡，文字为 You are a helpful，易与下方助手区分。","start_frame":828,"end_frame":894,"reference_frame":882},"grounding":{"status":"found","bbox_xyxy":[81.25,125,923.96,402.78],"positive_points":[[114.58,146.3],[135.42,278.7],[389.58,277.78],[526.04,287.04],[781.25,231.48],[833.33,397.22]],"negative_points":[[587.5,268.52],[104.17,52.78],[500,615.74],[50,462.96]],"evidence":"目标是上方标有“system”、显示“You are a helpful”的奶油色面板。边界框覆盖完整面板、边框及右侧和底部阴影；正点分布在标签、提示文字、面板表面与底部阴影。负点位于明确排除的输入光标、时间徽章、下方助手及面板外背景。"}},{"name":"Day-two assistant character","description":"Large lavender speech-bubble assistant below the renewed system prompt. It changes from a wink to a smile, is shown in an extreme facial close-up, and returns on black with pink eyes and a pink corner indicator.","membership":"Include the complete speech-bubble character when visible, including tail, outline, shadow, inset border, corner indicator, and facial marks. In the close-up, include the visible portion of this same character. Exclude external braces, the nameplate, and surrounding prompt panel.","id":"obj_076","temporal":{"status":"found","start_s":34.5,"end_s":41.0,"reference_s":39.0,"evidence":"34.5秒首次出现完整的第二天 lavender（淡紫色）对话气泡助手，位于更新后的系统提示下方；随后从闭眼、眨眼变为微笑，并经面部特写返回黑底上的粉色眼睛版本。34.25秒仍是人物剪影和SOLD画面，尚无该助手。37.25秒短暂空白属于紧接特写的过渡，前后确认是同一角色。最后 qualifying 帧为40.75秒，角色仍完整可见，区间延伸至41.0秒视频结束，无后续帧。选择39.0秒，角色轮廓、尾部、阴影、内边框及角标清晰，便于排除外部花括号和 nameplate（名称牌）。","start_frame":828,"end_frame":984,"reference_frame":936},"grounding":{"status":"found","bbox_xyxy":[274,29,726,724],"positive_points":[[343,123],[424,280],[577,280],[683,105],[620,522],[349,643]],"negative_points":[[158,323],[842,322],[493,675],[610,865]],"evidence":"目标是黑底中央带粉色双眼、微笑和右上角粉色指示灯的淡紫色对话气泡角色。边界框覆盖完整气泡、尾部、外轮廓及阴影；正点分布在气泡表面、双眼、角标和尾部，负点位于两侧外部花括号、下方黑色背景及姓名牌上。"}},{"name":"Day-two assistant nameplate","description":"Rounded cream nameplate below the renewed assistant, initially blank and then revealing “helpf” and later “helpful_assi” as the character changes scale and background.","membership":"Include the complete nameplate surface, boundary, shadow, and revealed lettering. Exclude the typing caret, assistant character, and external braces.","id":"obj_077","temporal":{"status":"found","start_s":34.5,"end_s":37.25,"reference_s":36.75,"evidence":"目标是第二天场景中助手下方的圆角奶油色名牌，包含边框、阴影及逐渐出现的文字。34.50秒名牌已完整建立、内部尚为空白；至37.00秒仍完整可见，文字为“helpful_as”。前一帧34.25秒是“SOLD”场景，没有该名牌；后一帧37.25秒为黑屏，这次连续出现结束。选择36.75秒，名牌清晰、无遮挡，表面与边界易于标注；不包括助手、外部花括号和输入光标。","start_frame":828,"end_frame":894,"reference_frame":882},"grounding":{"status":"found","bbox_xyxy":[276.0,812.0,727.1,913.0],"positive_points":[[285.4,835.2],[349.0,861.1],[425.0,870.4],[546.9,850.0],[682.3,878.7],[593.8,909.3]],"negative_points":[[475.0,888.9],[520.8,699.1],[656.3,621.3],[505.2,948.1]],"evidence":"目标是助手下方显示“helpful”的圆角奶油色名牌。框覆盖完整面板、边界、右下阴影及文字；正点分布在面板表面、字形和底部阴影上。负点位于明确排除的下划线输入光标、助手、右侧花括号及名牌下方背景。"}}]}
+{"video_id":197,"video_type":"data and scientific visualization","targets":[{"name":"Centrality measure radio controls","description":"A horizontal control group above the network with options “Degree”, “Betweenness”, “Closeness”, and “Eigenvector”. The selected option changes to determine node sizes.","membership":"Includes the four radio-button circles, their selection marks, and their associated labels as one compact functional group. Excludes the network frame below and the recording cursor.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":22,"reference_s":6,"evidence":"目标是网络图上方横向排列的 Degree、Betweenness、Closeness、Eigenvector 四个单选圆圈、选中标记及标签。该组在首帧 0.00 秒已完整呈现，持续至末帧 21.75 秒；选中项变化不影响控件组身份。区间覆盖整个视频，起点前和终点后均无采样帧。选择 6.00 秒为关键帧，四个控件及标签清晰完整，光标未遮挡目标。","start_frame":0,"end_frame":528,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[28.1,60.2,415,87],"positive_points":[[46.9,71.3],[111.5,74.1],[123.9,72.2],[228.1,63],[240.6,70.4],[338,71.3]],"negative_points":[[176,89.8],[312.5,122.2],[605.2,145.4],[468.8,73.1]],"evidence":"目标是网络图上方含 Degree、Betweenness、Closeness 和 Eigenvector 的横向单选控件组，Betweenness 显示蓝色选中标记。框紧贴四个按钮及完整标签；正点分布在按钮和各标签笔画上，负点位于排除的鼠标光标、下方网络边框、右侧表头及组外空白。"}},{"name":"Interactive network diagram","description":"The bordered graphic on the left containing ten pale blue circular nodes connected by thin gray lines. Node sizes change with the selected centrality measure, and interactions emphasize individual nodes and their incident edges.","membership":"Includes the rectangular chart boundary, its white interior, and all node circles and connecting edges throughout their size changes. Excludes the radio controls, adjacent table, explanatory text, cursor, and added selection outlines or edge-emphasis overlays.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":22,"reference_s":0,"evidence":"目标是左侧带矩形边框和白色内底的网络图，包含十个浅蓝圆节点及灰色连接线，不含上方单选控件、右侧表格及交互强调覆盖层。首个合格帧为0秒，图形已完整建立；末个合格帧为21.75秒，边框、节点和连线仍持续可见。期间节点尺寸变化和交互强调不影响图本体的连续存在。区间覆盖视频首尾，边界外没有采样帧。选择0秒作为关键帧，因为完整网络清晰可见，且没有节点选择轮廓或边强调覆盖。","start_frame":0,"end_frame":528,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[26.6,122.2,562.5,649.1],"positive_points":[[108.7,364.6],[197.5,318.1],[285.7,271.4],[418.5,498.1],[88.5,567.6],[524.2,182.4]],"negative_points":[[228.4,74.1],[659.1,243.5],[501.6,784.3],[583.9,551.9]],"evidence":"目标是左侧带浅灰矩形边框的网络图，内有十个浅蓝圆形节点及灰色连线。边界框紧贴整个图表外框，包含白色内部、节点和连线。正点分布在多个节点及图表内部白色区域；负点位于上方单选控件、右侧表格、下方说明文字及图表右侧外部空白。"}},{"name":"Node centrality table","description":"The table on the right with headers “Node”, “Degree”, “Betweenness”, “Closeness”, and “Eigenvector”, followed by rows for nodes 0 through 9. It is linked to the network for node selection and row hovering.","membership":"Includes the complete header and all ten aligned data rows as one table. Excludes the network diagram, explanatory captions, recording cursor, and blue interaction-highlight rectangles.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":22,"reference_s":0,"evidence":"目标是右侧包含 Node、Degree、Betweenness、Closeness、Eigenvector 五列表头及节点0至9全部数据行的表格，不含蓝色交互高亮矩形。首个合格帧为0.00秒，最后为21.75秒，期间表格始终完整可见，行高亮变化不影响其连续存在。区间覆盖视频全程，起点前和终点后均无采样帧。选择0.00秒为关键帧，此时表格清晰完整，无行高亮或光标遮挡。","start_frame":0,"end_frame":528,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[586.4,134.3,972.9,647.2],"positive_points":[[588.5,143],[890.1,145.4],[635.4,292.6],[804.7,439.8],[588.5,633.3],[889.6,636.1]],"negative_points":[[352.6,385.2],[510.4,787],[228.1,74.1],[572.9,694.4]],"evidence":"右侧表格具有 Node、Degree、Betweenness、Closeness、Eigenvector 五列表头及节点0至9的十行数据。边界框紧密覆盖完整表头和全部数据行；正点分布在表头及上、中、下部数据文字笔画上，负点位于左侧网络、顶部单选控件、底部说明文字及表外空白处。"}},{"name":"Radio-button sizing explanation","description":"The initial large two-line text beneath the diagram and table: “Radio buttons select the network centrality measure that determines the area of the nodes”.","membership":"Includes both lines of this complete text block, including its fading presentation. Excludes the graphics above and the surrounding white background.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":5.25,"reference_s":2,"evidence":"目标是图表下方以“Radio buttons select the network centrality”开头的完整两行说明文字。首个合格帧为0.00秒，文字已完整呈现；最后合格帧为5.00秒。5.25秒文字开始变灰淡出，按退出边界规则不纳入。区间从视频起点开始，无更早采样帧。选择2.00秒作为关键帧，因两行文字清晰完整且无遮挡。","start_frame":0,"end_frame":126,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[176,760,824.5,860],"positive_points":[[209,780],[299,778],[673,784],[178.5,842],[460,839],[788,843]],"negative_points":[[500,709],[503,903],[143,820],[852,817]],"evidence":"目标是图表下方的大号两行说明文字，内容与指定英文完全一致。边界框紧贴两行完整文本；六个正点分布在两行的字形笔画上，四个负点位于文本块上方、下方及左右的外部白色背景中。"}},{"name":"Node-click highlighting explanation","description":"A later large two-line text block beneath the visualization: “Clicking a node highlights the node and its edges and highlights the corresponding row in the table”.","membership":"Includes the complete two-line text block throughout its appearance and fade. Excludes the network, table, interaction highlights, and surrounding background.","id":"obj_005","temporal":{"status":"found","start_s":9.0,"end_s":16.0,"reference_s":11.0,"evidence":"目标是可视化下方以“Clicking a node highlights…”开头的完整两行说明文字。9.00秒首次完成淡入，15.75秒为最后完整显示帧；前一帧8.75秒文字仍��淡入，后一帧16.00秒已开始变灰淡出。选择11.00秒作为关键帧，文字清晰完整且无遮挡。","start_frame":216,"end_frame":384,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[160.9,759.3,840.1,870.4],"positive_points":[[163.5,781.5],[385.9,785.2],[832.3,788.0],[168.2,846.3],[420.3,838.0],[815.6,835.2]],"negative_points":[[500,718],[499,921],[133,801],[865,818]],"evidence":"目标是可视化下方以“Clicking a node”开头的大号两行说明文字。边界框紧贴完整两行文本，正点分布在两行不同位置的字形笔画上；负点位于文本上方、下方及左右的外部空白处，不包含网络或表格。"}},{"name":"Table-hover highlighting explanation","description":"The final large two-line text beneath the visualization: “Mousing over table rows highlights the corresponding node in the network”.","membership":"Includes both lines of the complete text block, including its initial fading-in presentation. Excludes the table and network above, the cursor, and the surrounding background.","id":"obj_006","temporal":{"status":"found","start_s":17.5,"end_s":22.0,"reference_s":18.5,"evidence":"目标是可视化下方的两行说明文字“Mousing over table rows highlights the corresponding node in the network”。17.50秒首次完整清晰呈现；前一帧17.25秒仍在淡入，按纳入规则排除。最后合格帧为21.75秒，文字持续至视频结束22.00秒，无后续帧。选择18.50秒作为关键帧，两行文字清晰完整且无遮挡。","start_frame":420,"end_frame":528,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[234.4,760.2,765.6,870.4],"positive_points":[[237.5,783.3],[513,788],[737,780.6],[263,843.5],[469,843.5],[735,843.5]],"negative_points":[[500,720],[500,910],[210,817],[790,817]],"evidence":"目标是可视化下方的大号两行说明文字，以“Mousing over”开头。边界框紧贴完整两行文本；六个正点分布在两行不同位置的字形笔画上，四个负点位于文本上、下、左、右的外部空白背景，未包含上方表格或网络图。"}}]}
+{"video_id":198,"video_type":"data and scientific visualization","targets":[{"name":"Animated basketball tracking court","description":"A bounded overhead basketball-court visualization with a wood-colored surface, two navy painted lanes, white court markings, a central Indiana Pacers logo, and \"BANKERS LIFE FIELDHOUSE\" lettering. Ten numbered blue and orange player markers, directional lines, and a small yellow ball marker animate across the court.","membership":"Includes the complete rectangular court surface and boundary, printed markings and logos, and all animated player markers, their directional lines, and the ball marker. Separately positioned status text above the court and the surrounding white background are excluded.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":11,"reference_s":0,"evidence":"目标是完整的俯视篮球场动画：木色矩形场地、两端海军蓝禁区、白色标线、中央步行者队标及场馆文字，并包含蓝橙球员标记、方向线和黄色球标。首个合格帧为0.00秒，最后为10.75秒；期间场地结构始终完整，标记移动不改变整体身份。区间覆盖视频全长，起点之前和终点之后均无采样帧。选择0.00秒作为关键帧，场地边界清楚，各球员标记较分散，便于整体空间标注；场地上方独立状态文字和外围白底不属于目标。","start_frame":0,"end_frame":264,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[125,122,901,889],"positive_points":[[270,236],[219,544],[513,504],[812,508],[608,792],[327,756]],"negative_points":[[70,490],[944,495],[517,943],[510,62]],"evidence":"根据木色场地、两侧深蓝禁区、中央步行者队徽及球员标记识别目标。边界框覆盖完整矩形球场及其边界、文字、标记和方向线，不含上方独立状态文字。正点分布于木质场面、两侧禁区、中央队徽、下方文字及球员标记；负点位于球场四周的白色背景。"}},{"name":"Simulation status readout","description":"Small text immediately above the court near its horizontal center, displaying a changing numeric time value and an intermittently visible player name, including \"Myles Turner\", \"Thaddeus Young\", \"Kevin Love\", and \"Kyrie Irving\".","membership":"Includes the numeric time text and associated player-name text in the top status row as their contents update. Excludes the white background and the adjacent court graphic.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":11,"reference_s":0.5,"evidence":"目标是球场上方靠近水平中央的状态文字行，包含持续变化的数值及间歇出现的球员姓名；姓名更新或暂时为空不改变该读数行的身份。首个合格帧为0.00秒，最后为10.75秒，整个采样序列中持续存在。区间达到视频首尾，两侧均无额外采样帧。选择0.50秒作为关键帧，此时数值和“Myles Turner”姓名均完整可见、无��挡，便于标注。","start_frame":0,"end_frame":264,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[454.2,109.7,597,122.2],"positive_points":[[456.3,116.7],[467,115.3],[481.9,115.3],[539.4,112.5],[553.3,118.1],[582.1,115.3]],"negative_points":[[501.1,90.3],[432.8,115.3],[616.2,115.3],[509.6,145.8]],"evidence":"目标位于球场上方、图像横向中央附近，是同一状态行中的数字时间和“Myles Turner”姓名。边界框紧贴这两段文字的完整范围；六个正点分布在数字和姓名的字形上，四个负点位于上方及左右白色背景和下方球场内，均避开目标文字。"}}]}
+{"video_id":199,"video_type":"data and scientific visualization","targets":[{"name":"Match scoreboard","description":"The compact header at the upper left showing Argentina and Brazil with their flags and the score \"Argentina 3 : 2 Brazil\".","membership":"Includes the two flags, team names, score, and their compact blue header area. Excludes the adjacent PassVizor branding and the remainder of the top bar.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":22,"reference_s":0,"evidence":"目标是左上角紧凑蓝色比分栏，包含阿根廷和巴西国旗、队名及“Argentina 3 : 2 Brazil”，不含旁边的 PassVizor 标识。首个合格帧为 0.00 秒，最后为 21.75 秒，全程结构完整且持续可见。区间覆盖视频首尾，边界外没有采样帧。选择 0.00 秒作为关键帧，比分栏清晰、无遮挡，便于区分其与相邻顶栏。","start_frame":0,"end_frame":528,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[42.7,0,208.3,39.8],"positive_points":[[58,19],[96,20],[137,20],[167,20],[195,20],[113,34]],"negative_points":[[493,20],[634,20],[83,66],[25,21]],"evidence":"目标位于左上角，以阿根廷、巴西国旗及“Argentina 3 : 2 Brazil”确认。框覆盖两面国旗、队名、比分及其紧凑蓝色底区，不延伸至其余顶栏。正点分布在上述内容和蓝色底区，负点位于PassVizor品牌、其余顶栏、下方标签及左侧背景。"}},{"name":"Evolution View panel","description":"The large bordered upper visualization labeled \"Evolution View\". It contains a blue bar summary, player-event timelines, pitch heatmaps, and an event legend. Its timeline later contracts to make room for detailed phase summaries.","membership":"Includes the panel surface, enclosing boundary, title, controls, event legend, player and heatmap selector, bars, timeline marks, and the phase-summary strip when displayed inside it. Excludes the match header and all lower panels. Temporary hover highlighting and the recording cursor are excluded.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":22,"reference_s":0,"evidence":"目标是上方标有“Evolution View”的大型边框面板，包含事件图例、蓝色柱状摘要、球员时间线和球场热图；后续时间线收缩及内部阶段摘要出现不改变面板身份。首个合格帧为0秒，末个为21.75秒，面板表面和边界始终完整可见，因此区间覆盖至视频结束22秒。区间前后均无视频内采样帧。选择0秒作关键帧，面板布局清晰、边界完整，且无临时悬停高亮干扰。","start_frame":0,"end_frame":528,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[47.4,48.1,938,501.9],"positive_points":[[83,66],[503,66],[127,267],[398,117],[733,375],[896,448]],"negative_points":[[496,20],[323,739],[657,654],[865,687]],"evidence":"依据“Evolution View”标题及其内部柱状汇总、球员事件时间线、球场热图和事件图例识别上方大面板。边界框紧贴面板外框，包含标题、控件及内部可视化，排除顶部比赛信息栏和全部下方面板。六个正点分布于标题、图例、热图、柱状图和时间线区域；四个负点位于顶部信息栏及下方球场、传球统计和个人统计面板，未选取录制光标。"}},{"name":"Player and heatmap selector","description":"The compact selection display along the left side of Evolution View, with numbered player circles, gray bars, and six vertically stacked miniature pitch heatmaps. Selecting different heatmaps reveals player connections and counts while other heatmaps fade.","membership":"Includes the numbered player list, adjacent gray bars, six miniature pitch surfaces with their heat patterns, and displayed connecting branches and counts. Excludes the sorting controls above it, the event timelines to its right, and temporary interaction highlighting.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":22,"reference_s":0,"evidence":"目标是 Evolution View 左侧由编号球员圆点、灰色条和六个纵向排列的微型球场热图组成的选择器，不包括上方排序按钮及右侧时间线。首个合格帧为0秒，末个为21.75秒；期间热图淡化、连接分支及计数变化属于选择器内部状态变化，其整体持续存在。区间覆盖视频首尾，两端均无额外相邻帧。选择0秒为关键帧，因为六张热图、球员编��和灰条均清晰显示，无交互淡化干扰。","start_frame":0,"end_frame":528,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[56.25,130.56,147.4,467.59],"positive_points":[[127.08,161.11],[86.46,208.33],[65.63,239.81],[129.69,322.22],[86.46,362.96],[126.04,444.44]],"negative_points":[[119.27,103.7],[207.81,212.04],[50,300.93],[127.08,492.59]],"evidence":"目标位于 Evolution View 左侧，由编号球员圆圈、相邻灰条和六个纵向排列的微型球场热图组成。边界框紧贴这些可见内容；正点分布在球员编号、灰条及上中下部热图上，负点位于上方排序控件、右侧事件时间线及选择区外的空白处。"}},{"name":"Phase View symbol legend","description":"The narrow lower-left legend headed \"Phase View\", explaining Pass, Dribble, Shooting, Tackle, and Player with line symbols and a numbered circle.","membership":"Includes the blue heading and the compact vertical collection of symbols with their explanatory labels. Excludes the neighboring football pitch and its display-mode tabs.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":22,"reference_s":0,"evidence":"目标是左下方窄列图例，包含蓝色“Phase View”标题及 Pass、Dribble、Shooting、Tackle、Player 的符号和标签，不含右邻球场及显示模式标签。首个合格帧为0.00秒，最后为21.75秒，期间图例结构始终完整可见，因此区间为[0,22)。区间已到视频首尾，两侧均无额外采样帧。选择0.00秒为关键帧，图例清晰完整且无遮挡。","start_frame":0,"end_frame":528,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[47.4,509.3,123.4,986.1],"positive_points":[[83.9,527.8],[87.0,557.4],[87.5,647.2],[117.2,738.9],[88.0,828.7],[86.5,935.2]],"negative_points":[[193.0,532.0],[166.7,740.7],[86.5,454.6],[572.9,833.3]],"evidence":"目标是左下角以蓝色“Phase View”为标题的竖向图例。边框覆盖标题及 Pass、Dribble、Shooting、Tackle、Player 的符号和标签；六个正点分别位于标题和五类符号上。负点位于相邻显示模式标签、足球场、上方球员编号和右侧统计面板，均不属于该图例。"}},{"name":"Phase football-pitch display","description":"The large green football pitch in the lower center-left beneath the Static, Dynamic, and Video tabs. Initially empty, it later displays numbered player positions and connecting pass and tackle paths for selected phases.","membership":"Includes the display-mode tab strip and the complete green pitch with its boundary, alternating turf stripes, field markings, numbered player markers, and action paths as they update. Excludes the symbol legend on the left and statistics charts on the right.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":22,"reference_s":18.5,"evidence":"目标是下方偏左、位于 Static／Dynamic／Video 标签条下的大型绿色足球场，包含标签条、草坪条纹和场地线，不含左侧图例及右侧统计图。首个合格帧为0秒，末个为21.75秒：面板始终完整存在，后续球员编号及传球、抢断路径更新不改变其身份。区间覆盖视频首尾，两端均无额外采样帧。选择18.5秒作为关键帧，标签条与完整球场清晰可见，且球员和动作路径已显示。","start_frame":0,"end_frame":528,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[130.7,520.4,510.4,982.4],"positive_points":[[192.7,532.4],[447.4,532.4],[240.6,653.7],[159.4,884.3],[392.7,627.8],[477.1,910.2]],"negative_points":[[85.9,738.9],[647.4,648.1],[872.4,676.9],[312.5,379.6]],"evidence":"目标是下方中左部的绿色足球场及其上方 Static、Dynamic、Video 显示模式标签栏。边界框覆盖完整标签栏和球场，包括场地线、球员编号及动作路径。正点分布于标签、球员标记和球场不同区域；负点位于左侧符号图例、右侧统计区及上方演化视图，均不属于目标。"}},{"name":"Area passing-statistics chart","description":"The upper pale-blue chart beneath \"Passing Statistics\", labeled \"Area\" and \"Order\". Initially showing empty axes, it later plots gray points connected by a line for the selected phase.","membership":"Includes the upper chart's pale-blue rectangular surface, axes, labels, tick values, and plotted data. Excludes the shared Passing Statistics heading and the separate Pressure chart below.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":22,"reference_s":18.5,"evidence":"目标是“Passing Statistics”标题下方、Pressure图上方的浅蓝色Area图表，包含坐标轴及Area、Order标签，不含共享标题。首个合格帧为0.00秒，图表表面和边界已完整；随后由空轴变为灰点折线，仍是同一图表。最后合格帧为21.75秒，图表仍完整可见，因此区间延续至视频结束22.00秒。区间两端均无外侧采样帧。选择18.50秒作为关键帧，此时背景、轴标签、刻度和灰色折线清晰且无遮挡。","start_frame":0,"end_frame":528,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[526.6,555.6,799,765.7],"positive_points":[[572.9,569.4],[595.3,618.5],[736.5,585.2],[549.5,697.2],[762,720.4],[694.8,685.2]],"negative_points":[[651,532.4],[651,833.3],[505.2,648.1],[849,648.1]],"evidence":"目标是“Passing Statistics”标题下方标有“Area”和“Order”的上层浅蓝色图表。边界框覆盖完整浅蓝底面、坐标轴、标签、刻度及灰色折线数据，不含共享标题和下方Pressure图。正点分布于图表底面、轴线、数据点及标签区域；负点位于上方标题、下方Pressure图、左侧球场和右侧个人统计面板。"}},{"name":"Pressure passing-statistics chart","description":"The lower pale-blue chart in the passing-statistics section, labeled \"Pressure\" and \"Order\". Its initially empty axes later show connected gray points whose values change with the selected phase.","membership":"Includes the lower chart's pale-blue rectangular surface, axes, labels, tick values, and plotted data. Excludes the Area chart above and the Personal Statistics panel to the right.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":22,"reference_s":18.5,"evidence":"目标是 Passing Statistics 区域下方标有“Pressure”和“Order”的浅蓝色图表，位于 Area 图下方、Personal Statistics 面板左侧。首个合格帧为0.00秒，表面、边界和空坐标轴已完整建立；此后仅内部数据更新，至最后采样帧21.75秒仍完整可见。区间覆盖视频首尾，两端均无界外采样帧。选择18.50秒为关键帧，图表清晰无遮挡，刻度及灰色连线数据点均已显示。","start_frame":0,"end_frame":528,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[526.6,769.4,799,979.6],"positive_points":[[570,788],[544,857],[632,837],[736,890],[777,932],[642,966]],"negative_points":[[659,668],[859,882],[467,843],[662,532]],"evidence":"目标是 Passing Statistics 区域下方标有“Pressure”和“Order”的浅蓝色图表。边界框覆盖完整图表底面、坐标轴、标签、刻度及灰色折线数据；正点分布在标题、轴线、底面和数据附近，负点位于上方 Area 图、右侧个人统计面板、左侧球场及栏目标题栏。"}},{"name":"Personal Statistics panel","description":"The rightmost lower panel headed \"Personal Statistics\", containing a formation-like arrangement of numbered circles and readouts for Maximum Speed, Dash Times, Dash Distance, and Distance Cover, each showing \"None\".","membership":"Includes the blue title bar, pale panel surface, player-number circles, metric labels, and dark value boxes. Excludes the adjacent passing-statistics charts.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":22,"reference_s":0,"evidence":"目标是右下方标题为“Personal Statistics”的浅色面板，包含蓝色标题栏、球员号码圆点，以及四项指标标签和显示“None”的深色数值框，不含左侧传球统计图。首个合格帧为0秒，最后为21.75秒，期间面板结构完整且持续可见，因此区间为[0,22)。区间两端均到达视频边界，没有更早或更晚的采样帧。选择0秒为关键帧，面板清晰完整且无遮挡。","start_frame":0,"end_frame":528,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[815.6,520.4,932.3,981.5],"positive_points":[[873.4,531.5],[835.4,576.9],[912.5,696.3],[910.4,793.5],[859.4,843.5],[862.5,962.0]],"negative_points":[[755.2,662.0],[750.0,898.1],[949.5,751.9],[880.2,444.4]],"evidence":"目标是右下角标题为“Personal Statistics”的面板。边界框覆盖蓝色标题栏、浅色面板、球员编号圆点及四项指标和“None”值框。正点分布于标题、编号圆点、面板表面和数值框；负点位于左侧传球统计图、右侧外部背景及上方时间轴，均不属于目标面板。"}},{"name":"Expanded phase-summary strip","description":"The bordered horizontal strip that appears within Evolution View below the contracted timeline. Repeated phase columns show green circular pitch excerpts, numbered start and end players, small arrows and line summaries, and ending-event icons. Individual columns are selected to populate the lower pitch and charts.","membership":"Includes the strip's enclosing border, surface, and all phase-summary columns and their contents. Each circular pitch excerpt includes its boundary and enclosed image. Excludes the bar summary and timeline above, the heatmap selector to the left, and transient column-selection highlighting.","id":"obj_009","temporal":{"status":"found","start_s":13.0,"end_s":22.0,"reference_s":13.75,"evidence":"目标是 Evolution View 中收缩时间线下方的带边框横向阶段摘要条，包含重复的绿色圆形球场缩略图、球员编号、箭头和结束事件图标。13.0 秒首次完整呈现，前一帧 12.75 秒尚无该摘要条；此后持续存在，最后一个采样帧 21.75 秒仍完整可见，因此结束时间为视频末尾 22.0 秒，无后续帧。选择 13.75 秒作为关键帧，因为边框和各列��容清楚，且没有临时列选择高亮。","start_frame":312,"end_frame":528,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[162,162,927.6,498.1],"positive_points":[[184.4,228.7],[311.5,382.4],[482.8,292.6],[608.3,228.7],[778.1,382.4],[905.2,469.4]],"negative_points":[[468.8,115.7],[127.6,314.8],[317.7,648.1],[947.9,407.4]],"evidence":"目标是 Evolution View 中时间轴下方带蓝绿色边框的横向阶段摘要条。边界框紧贴整条外框，覆盖底色及全部阶段列、圆形球场图、球员编号、箭头、线条摘要和事件图标。正点分散在条内图像、图标及面板表面；负点位于上方柱状时间轴、左侧热图、下方大球场和右侧外部背景，均不包含在目标中。"}}]}
+{"video_id":200,"video_type":"data and scientific visualization","targets":[{"name":"Player comparison radar chart","description":"Large white Excel chart on the left, headed \"Chart Title\", comparing blue \"Richarlson\" and orange \"Walcott\" series. Its five categories are \"Shot on Target\", \"Tempo\", \"Expected Goals (xG)\", \"Expected Assist (xA)\", and \"Progressive Distance (y)\".","membership":"Includes the complete white chart surface and boundary, title, legend, category labels, numeric scale, pentagonal gridlines, and both filled data polygons. Excludes selection handles, cursor effects, hover tooltips, overlaid context menu, and the adjacent formatting pane.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":2,"evidence":"目标为左侧完整白色雷达图，含“Chart Title”、Richarlson蓝色与Walcott橙色图例、五个类别标签、数值刻度及五边形网格和填充多边形。首个合格帧为0秒，最后为14.75秒，图表始终存在；中途菜单和提示仅短暂遮挡，不中断连续出现。区间覆盖视频首尾，两端均无外侧采样帧。选择2秒作为关键帧，图表完整清晰，无菜单或悬浮提示遮挡。","start_frame":0,"end_frame":360,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[91.3,182.3,748.5,944.4],"positive_points":[[420,207],[179,307],[449,431],[428,687],[566,863],[173,694]],"negative_points":[[876,528],[776,609],[515,114],[434,965]],"evidence":"根据“Chart Title”、Richarlson/Walcott 图例和五个类别标签，确认左侧大型雷达图。边界框覆盖完整白色图表表面、边界及全部图表内容，不含外围选择手柄和右侧格式窗格。正点分布在标题、图例、蓝橙色多边形、类别标签及白色图表表面；负点位于右侧格式窗格、图外空白、顶部工具栏和底部工作表标签区。"}},{"name":"Format Data Series pane","description":"Right-side Excel pane titled \"Format Data Series\". It initially displays line formatting controls, switches to effects including Shadow and Soft Edges, then Series Options, and returns to line controls.","membership":"Includes the pane's background, boundary, heading, tabs, icons, section headers, and currently displayed controls. Excludes the chart and the floating colour palette, which has its own boundary.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":2,"evidence":"目标是 Excel 右侧标题为“Format Data Series”的完整侧栏，包含背景、边界、标题及格式控件，不包含浮动颜色面板。首个合格帧为0秒，最后为14.75秒；期间仅内部控件从线条切换到效果、系列选项再返回，侧栏持续存在。区间覆盖视频首尾，边界外没有采样帧。选择2秒作为关键帧，此时颜色面板已关闭，侧栏边界与线条控件清晰且无遮挡。","start_frame":0,"end_frame":360,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[813.5,176.2,972.2,977.4],"positive_points":[[865,190],[875,233],[834,275],[874,421],[935,587],[889,845]],"negative_points":[[727,555],[779,825],[889,122],[737,965]],"evidence":"右侧可见标题为“Format Data Series”的 Excel 格式设置窗格，当前显示 Line、颜色、透明度和宽度等控件。框覆盖窗格边界、标题、选项图标、全部控件及下方背景，不含底部状态栏或左侧图表。正点分布在标题、图标、控件和窗格背景上；负点位于左侧图表及外部区域、上方功能区和底部工作表标签处。"}},{"name":"Line colour palette","description":"Floating colour chooser initially open over the right-side formatting pane, containing \"Theme Colours\", \"Standard Colours\", \"Recent Colours\", and \"More Colours...\".","membership":"Includes the complete popup surface and boundary, all colour swatches, section labels, and the bottom colour-selection command. Excludes the underlying formatting controls and the cursor.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":1.5,"evidence":"目标是右侧格式设置窗格上方的浮动颜色面板，包含 Theme Colours、Standard Colours、Recent Colours、More Colours... 及完整色块和边界。首个合格帧为0秒，最后为1.5秒；1.75秒面板已关闭，露出底层线条设置。区间始于视频开头，无更早采样帧。选择1.5秒作为关键帧，面板完整清晰，光标位于面板外。","start_frame":0,"end_frame":42,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[867.7,433.2,972.2,701.4],"positive_points":[[886.2,450.5],[951.7,472.2],[904.3,523.4],[932.1,600.7],[885.7,649.3],[908.2,684.9]],"negative_points":[[844.7,476.6],[952.1,416.7],[916,366.3],[891.6,737.8]],"evidence":"目标是右侧格式窗格上浮出的颜色选择面板，可见“Theme Colours”“Standard Colours”“Recent Colours”和“More Colours...”栏目。边界框紧贴整个弹窗，包含表面、边界、色块及底部命令；六个正点分布在栏目文字、不同区域色块和底部命令上，四个负点位于弹窗外的底层格式控件、光标附近及窗格背景。"}},{"name":"Data series context menu","description":"Popup menu opened over the blue radar series near the chart's centre-right. Visible commands include \"Delete\", \"Reset to Match Style\", \"Change Chart Type\", \"Select Data...\", \"Add Data Labels\", \"Format Data Series...\", and \"Import Image\".","membership":"Includes the popup's full surface and boundary, command text, separators, disabled commands, and submenu arrow. Excludes the radar chart underneath, hover tooltips, and cursor indicators.","id":"obj_004","temporal":{"status":"found","start_s":3.75,"end_s":5.25,"reference_s":4.0,"evidence":"目标是蓝色雷达数据系列中央偏右的右键菜单，包含 Delete、Reset to Match Style、Change Chart Type、Select Data...、Format Data Series... 等命令。首个完整显示帧为3.75秒，最后合格帧为5.00秒；前一帧3.50秒仅有系列悬停提示，没有菜单，后一帧5.25秒菜单已开始淡出，因此不纳入。选择4.00秒作为关键帧，菜单表面、边界、文字和子菜单箭头均清晰可见。","start_frame":90,"end_frame":126,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[458.5,487.8,566.9,690.1],"positive_points":[[481.0,500.9],[527.3,520.0],[557.1,548.6],[492.7,585.1],[505.4,616.3],[527.8,676.2]],"negative_points":[[438.0,518.2],[583.5,608.5],[435.1,688.4],[604.5,499.1]],"evidence":"目标是雷达图中央偏右的浮动数据系列菜单，可见 Delete、Select Data...、Format Data Series... 等命令。边界框紧贴菜单完整表面与边界，包含禁用命令、分隔线和子菜单箭头，不含阴影及鼠标指针。六个正点分布于菜单上、中、下部；四个负点位于菜单外的蓝色系列、橙色系列、白色图表背景及 Tempo 标签。"}}]}
+{"video_id":201,"video_type":"data and scientific visualization","targets":[{"name":"Circle area formula","description":"White mathematical text “A = πr²”, initially displayed at the upper left beside the circle demonstration.","membership":"Include the complete equation and its superscript. Exclude the adjacent geometric diagram and black background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":56.75,"reference_s":0,"evidence":"目标是圆形演示左上方的白色完整公式「A = πr²」，包含上标2。首个合格帧为0.00秒，最后一个为56.50秒；下一帧56.75秒已被移位后的「A = x²」替代。区间到达视频起点，无更早采样帧。选择0.00秒作为关键帧，公式清晰完整，与旁边几何图形分离且无遮挡。","start_frame":0,"end_frame":1362,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[41.1,152.8,159.4,207.4],"positive_points":[[46.4,204.6],[87.0,185.2],[87.5,196.3],[121.4,181.5],[137.5,182.4],[153.6,155.6]],"negative_points":[[95,120],[95,255],[190,180],[343,250]],"evidence":"目标是圆形图示左上方的白色公式“A = πr²”。边界框紧贴完整公式，包含上标2；六个正点分布在字母、等号、π及上标的笔画上，负点位于公式外的黑色背景和右侧明确排除的几何图示上。"}},{"name":"Rolling circle","description":"An unfilled circle initially near the upper center-left, with a white radius and a blue point on its circumference. Half its rim becomes blue as it rolls right, ending above the construction baseline.","membership":"Include the circular boundary, enclosed area, internal radius, and attached blue point. Follow the circle as it moves and rotates. Exclude the straight trail extending outside it and the later construction below it.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":57,"reference_s":1.5,"evidence":"目标是带白色半径和圆周蓝点的空心圆；右半圆周变蓝后，圆向右滚动并停在构造基线上方。首个合格帧为0.00秒，圆及半径、蓝点已完整呈现；末个合格帧为56.75秒，仍完整可见，未开始退出。区间覆盖视频起止，边界外均无采样帧。选择1.50秒，圆的轮廓、半径和蓝点清晰，且尚无外部轨迹及下方构造干扰。","start_frame":0,"end_frame":1368,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[240.6,129.6,445.3,503.7],"positive_points":[[342.7,143.5],[342.7,240.7],[242.7,323.1],[442.7,323.1],[342.7,500],[302.1,379.6]],"negative_points":[[119.8,185.2],[468.8,324.1],[338.5,555.6],[234.4,138.9]],"evidence":"目标是上方偏左、左半白色右半蓝色的圆，带白色竖直半径和顶部蓝点。框覆盖完整圆周、内部区域、半径及附着蓝点。正点分布在圆周、蓝点、半径和圆内；负点位于左侧公式及圆外背景。"}},{"name":"Blue half-circumference segment","description":"A blue horizontal segment grows behind the rolling circle and is subsequently labeled “πr” beneath its middle.","membership":"Include the blue straight stroke and its associated “πr” label. Exclude the circle’s curved blue rim, the adjoining white segment, and other construction lines.","id":"obj_003","temporal":{"status":"found","start_s":6.0,"end_s":57.0,"reference_s":12.0,"evidence":"目标是圆左侧的蓝色水平直线及其下方的“πr”标签，不包括蓝色圆弧。6.00秒两者首次完整呈现；前一帧5.75秒标签仍处于书写显现阶段。该目标持续可见至最后一帧56.75秒，故区间结束于视频末尾57.00秒，之后没有采样帧。选择12.00秒作为关键帧，直线与标签清晰，且易于区别于右侧白色线段和圆弧。","start_frame":144,"end_frame":1368,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[342.2,496.3,657.3,559.3],"positive_points":[[364.6,500],[484.4,500],[606.8,500],[490.6,539.8],[496.4,547.2],[509.9,538.9]],"negative_points":[[557.3,322.2],[721.4,500],[657.0,385.2],[416.7,578.7]],"evidence":"目标是圆后方向左延伸的蓝色水平直线及其下方的“πr”标签，包围框覆盖这两部分。正点分布在直线和标签字形笔画上；负点位于蓝色圆弧、右侧白色线段、竖直构造线及外部背景，排除这些非目标内容。"}},{"name":"Transferred radius segment","description":"A white horizontal segment labeled “r” first appears inside the circle, then moves downward to extend the blue baseline to the right.","membership":"Include the complete white segment and its “r” label throughout their movement. Exclude the circle boundary, the vertical radius, and the adjoining blue segment.","id":"obj_004","temporal":{"status":"found","start_s":8.75,"end_s":57.0,"reference_s":12.0,"evidence":"目标是圆内向右的白色水平线段及其“r”标签，随后整体下移，成为蓝色基线右侧的延长段。8.75秒首次完整呈现；此前8.50秒的“r”仍在绘制。该线段和标签持续可见至最后一帧56.75秒，视频结束后无相邻帧。选择12.00秒作为关键帧，此时线段已移至基线，标签清晰，便于与圆弧、竖直半径和蓝色线段区分。","start_frame":210,"end_frame":1368,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[655.2,496.3,757.8,559.3],"positive_points":[[671.9,500],[697.9,500],[729.2,500],[753.1,500],[704.2,547.2],[710.9,534.3]],"negative_points":[[656.8,398.1],[756.8,324.1],[572.9,500],[495.3,542.6]],"evidence":"目标是蓝色基线右端延伸出的白色水平线段及其下方的“r”标签。边界框紧贴这两部分；正点分布在水平线段和字母笔画上，负点位于排除的竖直半径、圆周、蓝色线段及“πr”标签上。"}},{"name":"Semicircle and inscribed-triangle construction","description":"A large downward-facing white semicircle is drawn beneath the combined “πr” and “r” baseline. A vertical segment labeled “x” reaches its arc, and two sloping chords form an inscribed triangle. The triangle is shown in purple, then divided into yellow and blue right triangles.","membership":"Include the semicircle’s arc, diameter, and enclosed lower half-disk, including the baseline portions, labels, vertical segment, sloping chords, and triangle fills within it. The separately listed baseline segments remain part of this construction where they form its diameter. Exclude the rolling circle above, explanatory text below, and the portion of the later square outside the semicircle.","id":"obj_005","temporal":{"status":"found","start_s":24.0,"end_s":57.0,"reference_s":34.0,"evidence":"目标是πr和r组成的直径下方的白色半圆，以及内部标注x的垂线和两条斜弦。24.00秒首次完整呈现全部构造；前一帧23.75秒左侧斜弦尚未画到直径左端。随后紫色填充、黄蓝分区及后来方形的重叠不改变该构造身份。最后一帧56.75秒仍可见，区间延至视频末尾57.00秒，无后续帧。选择34.00秒，半圆轮廓完整，黄蓝三角形及各标注清楚，且尚无方形遮叠。","start_frame":576,"end_frame":1368,"reference_frame":816},"grounding":{"status":"found","bbox_xyxy":[340.6,496.3,759.4,873.1],"positive_points":[[400,508],[568,639],[698,581],[657,738],[460,751],[556,867]],"negative_points":[[657,144],[268,938],[300,655],[820,695]],"evidence":"目标是下方以“πr”和“r”为直径分段的白色半圆构图。框覆盖直径、下半圆弧及其整个内部，包括黄蓝三角形、标签、竖线和斜弦。正点分布在三角形���充、竖线、半圆内黑色区域及底部圆弧；负点位于上方滚动圆、下方说明文字和左右外部背景。"}},{"name":"Thales theorem explanation","description":"A bottom text block reads “Thales triangle theorem forces this triangle to be right-angled.” while the inscribed triangle is highlighted in purple.","membership":"Include the complete progressively revealed sentence. Exclude the geometric construction above and its colored fill.","id":"obj_006","temporal":{"status":"found","start_s":25.75,"end_s":30.5,"reference_s":27.0,"evidence":"目标是底部完整句子“Thales triangle theorem forces this triangle to be right-angled.”，不包括上方几何图形及紫色填充。首个符合条件的帧为25.75秒，末个为30.25秒；前一帧25.50秒句末仍在逐步揭示，后一帧30.50秒文字已开始淡出。选择27.00秒作为关键帧，句子完整、清晰且无遮挡。","start_frame":618,"end_frame":732,"reference_frame":648},"grounding":{"status":"found","bbox_xyxy":[34.9,923.1,665.6,965.7],"positive_points":[[42.7,943.5],[115.6,948.1],[197.9,944.4],[288.5,944.4],[512.5,938.9],[657.8,939.8]],"negative_points":[[43,882],[722,943],[573,602],[60,187]],"evidence":"目标是图像底部完整的英文句子“Thales triangle theorem forces this triangle to be right-angled.”。边界框紧贴整句文字，正点分散在不同单词的字形笔画上；负点位于文字外的黑色背景、上方紫色三角形及公式处，排除几何构造和其他文字。"}},{"name":"Similar-triangle explanation and equations","description":"A new bottom text block reads “Thus, these two triangles are similar:” and is extended with “πr/x = x/r”, which later becomes “x² = πr²”.","membership":"Include the sentence and its adjacent mathematical expression as one reading block, including fraction bars and superscripts. Exclude the triangles and other graphics above.","id":"obj_007","temporal":{"status":"found","start_s":34.0,"end_s":57.0,"reference_s":44.25,"evidence":"目标为底部“Thus, these two triangles are similar:”及其随后添加、变形的相邻公式，不含上方图形。34.00秒句子首次完整呈现；33.75秒末尾字符和标点仍在书写。此后公式从πr/x = x/r变为x² = πr²，属于同一阅读块。最后 qualifying 帧为56.75秒，视频于57.00秒结束，无边界外后续帧。选择44.25秒，句子和完整比例式清晰，便于标注。","start_frame":816,"end_frame":1368,"reference_frame":1062},"grounding":{"status":"found","bbox_xyxy":[88.5,896.3,612,991.7],"positive_points":[[95.3,940.7],[444,942.6],[502,905.6],[509,942.6],[557,939.8],[602,976.9]],"negative_points":[[453,882],[638,945],[499,556],[685,620]],"evidence":"目标位于图像底部，由“Thus, these two triangles are similar:”及右侧分式“πr/x = x/r”组成。边界框紧贴整段文字和公式，包含分数线及分母；六个正点分布在句子字形和公式笔画上，四个负点位于文字块外的背景及上方图形中。"}},{"name":"Equal-area square","description":"A white-outlined square is constructed to the right of the vertical “x” segment and then filled green, illustrating a square whose area equals the original circle’s area.","membership":"Include all four edges and the entire enclosed square, including the green surface and any construction lines visible through it. Exclude the surrounding semicircle and triangle regions outside the square.","id":"obj_008","temporal":{"status":"found","start_s":53.5,"end_s":57.0,"reference_s":55.5,"evidence":"目标是竖直 x 线段右侧的白色边框正方形，随后内部填充绿色。53.25 秒上边仍在绘制，53.50 秒四边已完整闭合；之后的绿色填充不改变其身份。最后一个合格帧为 56.75 秒，目标持续到视频结束，之后无采样帧。选择 55.50 秒作为关键帧，此时绿色表面及四条边清晰可辨。","start_frame":1284,"end_frame":1368,"reference_frame":1332},"grounding":{"status":"found","bbox_xyxy":[654.7,496.3,836.5,818.5],"positive_points":[[675,527],[812,550],[755,660],[689,764],[809,788],[834,690]],"negative_points":[[587,709],[711,323],[869,654],[758,860]],"evidence":"目标是竖直“x”线段右侧的绿色白框正方形。边界框紧贴四条白色边缘，包含全部绿色内部及透出的作图线。六个正点分布于方形表面和右边缘；负点位于方形外的左侧三角形区域、上方圆内以及右侧和下方背景。"}},{"name":"Square area formula","description":"White mathematical text “A = x²” appears on the left near the end, identifying the area of the newly constructed square.","membership":"Include the complete equation and its superscript. Exclude the geometric construction and the separate equation in the bottom explanation.","id":"obj_009","temporal":{"status":"found","start_s":56.75,"end_s":57.0,"reference_s":56.75,"evidence":"目标是左侧独立的白色公式“A = x²”，不同于底部的“x² = πr²”。56.50秒仍是公式的初始显现/组装状态；56.75秒完���等式及上标已清晰建立，是首个也是最后一个 qualifying 帧，因此选作关键帧。区间延续至视频结束57.00秒，之后无 sampled 帧可检查。","start_frame":1362,"end_frame":1368,"reference_frame":1362},"grounding":{"status":"found","bbox_xyxy":[135.9,322.2,221.4,370.4],"positive_points":[[146.4,350.0],[153.1,364.8],[174.0,349.1],[175.5,359.3],[199.5,364.8],[216.7,325.0]],"negative_points":[[177.1,296.3],[239.6,356.5],[113.5,191.7],[630.7,646.3]],"evidence":"目标是图像左侧中上部的“A = x²”，框覆盖完整公式及右上角的上标2。六个正点分布在A、等号、x和上标的笔画上；负点位于公式外背景、左上方圆面积公式及右侧几何构造的独立标注处。"}}]}
+{"video_id":202,"video_type":"data and scientific visualization","targets":[{"name":"Fourier Series Expansion title","description":"Large white serif text reading “Fourier Series Expansion,” progressively revealed across the center before the graph appears.","membership":"Includes all letters of the title, including their outlined and filled reveal states. Excludes the surrounding black background and subsequent graph.","id":"obj_001","temporal":{"status":"found","start_s":1.75,"end_s":3.0,"reference_s":2.25,"evidence":"目标为画面中央的大号白色衬线标题“Fourier Series Expansion”。1.75秒所有字母已完整显现，末尾仍有描边状态，属于指定目标；最后合格帧为2.75秒。此前1.50秒末尾字母尚未完整揭示，之后3.00秒标题已被图形场景替换。选择2.25秒作为关键帧，标题已全部填白、清晰且无遮挡。","start_frame":42,"end_frame":72,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[170.8,457.4,829.2,543.5],"positive_points":[[177.6,486.1],[312.5,502.8],[386.5,479.6],[478.1,500],[570.8,495.4],[805.2,500]],"negative_points":[[200,380],[800,380],[220,620],[790,620]],"evidence":"图像中央可见白色衬线标题“Fourier Series Expansion”。边界框紧贴整段标题的可见范围，包含全部字母及字间空隙；六个正点分布在三个单词的字母笔画上，四个负点位于标题上下方、远离文字的黑色背景中。"}},{"name":"Square-wave Fourier approximation graph","description":"A large graph with white perpendicular axes, tick marks, and arrowheads. A green square wave spans the plot, while an orange approximation develops from a horizontal line into a sinusoid and then an increasingly rippled approximation of the square wave.","membership":"Includes the axes, ticks, arrowheads, green square-wave trace, and orange approximation trace throughout their drawing and transformation. The traces remain open lines; areas between or beneath them are not enclosed parts of the subject. Excludes the separate term-count label above and formula below.","id":"obj_002","temporal":{"status":"found","start_s":7.0,"end_s":22.0,"reference_s":11.0,"evidence":"目标由白色双轴、刻度及箭头、绿色方波和橙色傅里叶近似曲线共同组成，不含上方项数和下方公式。7.00秒橙色水平线已完整横跨图面，所有指定成员首次齐备；前一帧6.75秒只有坐标轴和绿色方波，尚无橙色曲线。此后橙线连续变形成正弦及多重波纹，至最后采样帧21.75秒仍完整存在，因此区间结束于视频末尾22.00秒，之后无帧可检查。选择11.00秒作为关键帧，图形清晰，绿色方波与橙色近似线易于区分。","start_frame":168,"end_frame":528,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[76.6,123.1,923.8,877.0],"positive_points":[[500,148.1],[500,851.9],[104.7,275],[289.1,370.4],[790.1,275],[885.4,687.0]],"negative_points":[[474.5,83.3],[41.1,906.5],[572.9,166.7],[39.1,500]],"evidence":"根据白色正交坐标轴、绿色方波和橙色波动近似曲线识别目标。边界框紧贴全部轴线、刻度、箭头及两条曲线，不含上方项数标签和下方公式。六个正点分布在纵轴箭头、纵轴下段及绿、橙曲线的不同部位；负点位于独立标签、公式和远离图线的外部黑色背景。"}},{"name":"Fourier order indicator","description":"White serif label above the vertical axis, reading “n = 0” initially and updating through “n = 10” as the approximation develops.","membership":"Includes the letter n, equals sign, and current numerical value as one text unit. Excludes the vertical-axis arrowhead and all other graph elements.","id":"obj_003","temporal":{"status":"found","start_s":6.0,"end_s":22.0,"reference_s":20.5,"evidence":"目标为纵轴箭头上方的白色衬线文字单元，包含 n、等号和随动画更新的数值。6.00 秒首次完整显示“n = 0”；前一帧 5.75 秒等号仍未绘制完整。此后标签持续存在并更新至“n = 10”，最后合格帧为 21.75 秒，区间延伸至视频结束 22.00 秒，之后无采样帧。选择 20.50 秒作为关键帧，此时“n = 10”完整清晰、无遮挡，且与轴箭头易于区分。","start_frame":144,"end_frame":528,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[467.2,62,579.7,107.4],"positive_points":[[473,81],[488,94],[514,72],[523,89],[556,88],[578,84]],"negative_points":[[452,84],[590,85],[500,151],[500,227]],"evidence":"目标是竖轴上方的白色衬线文字“n = 10”。边界框紧贴整个文字单元，包含字母、等号和数值；六个正点分布在这些字符的笔画上。负点位于文字左右的外部背景及下方被排除的竖轴箭头和轴线上。"}},{"name":"Fourier partial-sum formula","description":"Orange mathematical text beneath the graph, starting with “F_n(x) = 0” and expanding into a sum of odd-harmonic sine terms through 4 sin(9x)/(9π).","membership":"Includes the complete current equation, with its function label, equals sign, addition signs, numerators, fraction bars, and denominators. Follows the text block as it expands horizontally. Excludes the graph above and surrounding background.","id":"obj_004","temporal":{"status":"found","start_s":7.0,"end_s":22.0,"reference_s":20.0,"evidence":"目标是图下方橙色的 Fourier 部分和公式，包含函数名、等号及逐步增加的奇次谐波项。7.00 秒首次完整显示“F_n(x) = 0”，此前 6.75 秒尚无该公式；后续公式持续变形扩展，属于同一文本块。最后一个采样帧 21.75 秒仍完整可见，区间延至视频末尾 22.00 秒，之后无帧。选择 20.00 秒作为关键帧，此时直至 4 sin(9x)/(9π) 的完整公式清晰可辨且无遮挡。","start_frame":168,"end_frame":528,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[34.4,870.4,541.7,939.8],"positive_points":[[41.1,895.4],[109.4,888.9],[224,907.4],[320.3,924.1],[383.3,888.9],[505.2,907.4]],"negative_points":[[250,820],[360,969],[600,911],[510.9,279]],"evidence":"目标是图下方橙色傅里叶部分和公式，从 F_n(x) 与等号延伸至 4sin(9x)/(9π)。框覆盖完整公式的字符、加号、分数线及分母；六个正点分布于函数标签和各谐波项的实际笔画上，负点位于公式外背景及上方曲线。"}}]}
+{"video_id":203,"video_type":"data and scientific visualization","targets":[{"name":"Demonstration title","description":"The heading “Image formation by convex lens” appears at the top throughout the demonstration.","membership":"Include the title lettering only; exclude the turquoise header strip.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":21,"reference_s":0,"evidence":"目标为顶部“Image formation by convex lens”标题文字，不含青绿色横条。首个合格帧为0.00秒，最后为20.75秒；标题在全部采样帧中完整、清晰且持续可见，无淡入淡出或裁切。区间覆盖视频起止，两端均无区间外采样帧。选择0.00秒作为关键帧，标题完整且无遮挡，便于仅标注文字。","start_frame":0,"end_frame":504,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[342.2,15.3,659.4,52.8],"positive_points":[[343.8,30.6],[414.1,16.7],[457.0,25.0],[512.5,29.2],[557.0,25.0],[619.5,30.6]],"negative_points":[[312.5,30.6],[687.5,30.6],[492.2,5.6],[507.8,90.3]],"evidence":"目标是顶部标题“Image formation by convex lens”。边界框紧贴整行标题字形，不包含青绿色横条；六个正点分布在标题不同位置的字母笔画上，四个负点位于标题左右、上方的横条背景及下方深色背景。"}},{"name":"Object candle","description":"The upright silver-white candle with a yellow flame initially stands at the far left. It moves toward the lens through the demonstrated object positions.","membership":"Include the candle body, wick, and flame, following their outline as the candle moves. Exclude rays, reference markings, and the separate image candle.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":21,"reference_s":0,"evidence":"目标是最初位于最左侧、带黄色火焰的直立银白色物体蜡烛，随后持续向凸透镜移动，区别于另一支成像蜡烛。首个合格帧为0.00秒，末个为20.75秒，烛身、烛芯及火焰始终完整呈现，未见退出或消失。区间覆盖视频全程，两端均无额外相邻采样帧。选择0.00秒作为关键帧，此时蜡烛轮廓清晰，无光线或成像蜡烛干扰。","start_frame":0,"end_frame":504,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[178.9,308.3,193.8,481.9],"positive_points":[[185.9,325.0],[185.9,339.0],[182.8,358.3],[189.1,386.1],[183.6,427.8],[187.5,469.4]],"negative_points":[[168.8,388.9],[207.0,402.8],[186.7,284.7],[257.8,483.3]],"evidence":"目标是透镜远左侧带黄色火焰的直立银白色蜡烛。边界框紧贴火焰、烛芯及完整烛身；六个正点分布在这些部位，负点位于蜡烛外侧背景及右侧红色参考线上，排除参考标记和其他对象。"}},{"name":"Convex lens","description":"The stationary, tall biconvex lens near the center-right has pointed ends, a white outline, and translucent silver shading.","membership":"Include the lens outline and enclosed shaded surface. Exclude the dashed center guide and crossing optical lines as independent graphics.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":21,"reference_s":0,"evidence":"目标是画面中央偏右、两端尖细、白色轮廓包围半透明银色表面的高大双凸透镜，不包含虚线中心导线及交叉光线。首个合格帧为0.00秒，最后为20.75秒；透镜在全部采样帧中保持完整且位置固定。区间覆盖视频首尾，两端均无区间外采样帧。选择0.00秒作为关键帧，此时尚无斜向光线穿过，透镜轮廓和 shaded表面最清晰。","start_frame":0,"end_frame":504,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[546.9,245.8,593.8,722.2],"positive_points":[[565.6,304.2],[578.9,369.4],[554.7,445.8],[584.4,531.9],[561.7,604.2],[573.4,666.7]],"negative_points":[[570.3,205.6],[515.6,484.7],[520.3,361.1],[623.4,611.1]],"evidence":"目标是图中偏右、两端尖细且带白色轮廓与银色半透明表面的双凸透镜。边界框紧贴透镜完整外缘；六个正点分布在上下各段的镜面上，避开中心虚线和横穿光线。负点位于镜外的中心辅助线、红色光线及两侧背景。"}},{"name":"Optical reference framework","description":"A red horizontal principal axis, yellow focal-distance ticks, cyan “f” and “2f” labels on both sides, outer cyan distance symbols, and a dashed yellow vertical center guide establish the diagram's reference positions.","membership":"Include the reference lines, ticks, and their associated labels. Preserve the gaps in dashed lines and the open spaces between separate markings; exclude candles, lens shading, and light rays.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":21,"reference_s":0,"evidence":"目标由红色水平主轴、黄色焦距刻线、两侧青色 f 与 2f 标签及外侧距离符号、黄色竖直虚线中心导线组成。首个采样帧 0.00 秒已完整建立，至最后采样帧 20.75 秒仍持续存在；蜡烛和光线的变化未改变该参考框架。区间覆盖视频全长，两端均无区间外采样帧。选择 0.00 秒作为关键帧，因为此时尚无光线路径干扰，参考标记清晰、遮挡最少。","start_frame":0,"end_frame":504,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[246.1,181.9,895.3,772.2],"positive_points":[[570.3,188.9],[406.3,483.3],[378.1,588.9],[254.7,611.1],[764.1,430.6],[873.4,612.5]],"negative_points":[[185.9,402.8],[557.0,441.7],[812.5,347.2],[573.4,811.1]],"evidence":"依据红色水平主轴、黄色焦距刻线和竖直虚线，以及两侧青色标签识别目标。边界框覆盖全部参考标记，从竖直虚线顶端到底端、从主轴左端到右端。正点分布于主轴、中心虚线、刻线及左右标签的实际笔画上；负点位于排除的蜡烛、透镜阴影、外围背景和底部按钮上。"}},{"name":"Animation control panel","description":"The long white-bordered dark panel below the diagram contains six blue square play buttons and a final square stop button. Successive buttons are activated as the demonstration proceeds.","membership":"Include the panel surface, enclosing border, and all seven buttons with their symbols and changing states. Exclude the mouse cursor and the instruction beneath the panel.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":21,"reference_s":0.75,"evidence":"目标是图解下方的白色长方形边框深色控制面板，包含六个蓝色播放按钮和一个停止按钮，不含鼠标及下方说明。首个合格帧为0.00秒，末个为20.75秒；面板及七个按钮全程保持完整，按钮状态变化不影响其身份。区间覆盖视频首尾，两端均无外侧采样帧。选择0.75秒作为关键帧，此时面板边界清晰，尚无光线或放大蜡烛覆盖面板，便于标注。","start_frame":0,"end_frame":504,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[247.66,779.17,893.75,843.06],"positive_points":[[269.53,798.61],[321.88,811.11],[473.44,811.11],[572.66,811.11],[698.44,809.72],[860.16,813.89]],"negative_points":[[267.19,822.22],[477.34,891.67],[788.28,733.33],[570.31,483.33]],"evidence":"目标是图示下方的白框深色长条动画控制面板，内有六个播放按钮及一个停止按钮。边界框紧贴面板外沿，包含边框、面板表面和全部七个按钮。正点分布在按钮及右侧面板表面；负点位于明确排除的鼠标指针、下方说明文字、面板外背景及上方透镜处。"}},{"name":"Control instruction","description":"The italic instruction below the buttons reads “Click on the buttons above to form the image (please click sequentially from left, to memorize)”.","membership":"Include the complete instruction lettering only; exclude the control panel and any ray passing through the surrounding area.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":21,"reference_s":0,"evidence":"目标是按钮下方以“Click on the buttons above to form the image”开头的完整斜体操作说明文字，不含控制面板或光线。首个合格帧为0.00秒，最后合格帧为20.75秒；文字全程保持完整显示。区间到达视频起点和终点，两侧均无额外采样帧。选择0.00秒作为关键帧，此时说明文字清晰，且无光线穿过附近区域。","start_frame":0,"end_frame":504,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[109.4,876.4,780.5,909.7],"positive_points":[[113,889],[196,890],[319,890],[444,896],[528,890],[778,890]],"negative_points":[[469,813],[96,889],[828,889],[500,949]],"evidence":"目标是按钮下方以“Click on the buttons above”开头的单行斜体说明。边界框覆盖整句文字及末尾括号，不含上方控制面板。六个正点分布在说明文字的字形上；负点位于控制面板以及文字左、右、下方的外部背景。"}},{"name":"Upper green construction ray","description":"A green ray first approaches the upper portion of the lens diagonally as a dashed line, then continues toward the lower right. In subsequent cases its incoming section becomes horizontal, and a backward dashed extension appears in the later cases.","membership":"Include this ray's incoming and outgoing segments, its attached direction arrowheads, and its backward extension when shown. Follow the line segments rather than filling the space between them. Exclude the other green ray and the white central ray.","id":"obj_007","temporal":{"status":"found","start_s":1.5,"end_s":21.0,"reference_s":5.5,"evidence":"目标是射向透镜上部、折射后朝右下延伸的绿色光线及其箭头；入射段由斜向虚线变为水平实线，后期增加反向虚线延长段，始终可连续追踪，排除另一条绿线和白色中央光线。1.50秒首次完整显示，前一帧1.25秒尚无该光线；最后合格帧为20.75秒，视频于21.00秒结束，无后续帧。光线延伸至画面边缘属于图示设计，并非离场裁切。选择5.50秒作为关键帧，此时入射段、折射段及方向箭头清晰，且没有另一条绿色光线干扰。","start_frame":36,"end_frame":504,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[14.1,293.1,959.4,1000],"positive_points":[[156.3,310],[292.2,310],[568.8,310],[638.3,430.6],[801.6,718.1],[920.3,930.6]],"negative_points":[[513.3,440.3],[316.4,402.8],[781.3,483.3],[664.1,333.3]],"evidence":"目标是从左侧水平射向透镜上部、随后折向右下方的绿色构造光线。边界框覆盖两段绿线及其方向箭头，右下段延伸至图像底边；当前没有虚线反向延长段。正点分布于水平段、折点、斜向出射段和箭头，负点位于白色中心光线箭头、蜡烛、红色主轴及外部背景。"}},{"name":"Lower green construction ray","description":"In the first completed construction, a second dashed green ray slopes downward from the left to the lower part of the lens and emerges horizontally toward the small inverted image. It disappears when the next construction begins.","membership":"Include this lower ray's dashed incoming segment, horizontal outgoing segment, and attached direction arrowhead. Exclude the upper green ray, white ray, and image candle.","id":"obj_008","temporal":{"status":"found","start_s":1.5,"end_s":4.25,"reference_s":2.0,"evidence":"目标是第一组构图中从左侧向右下方延伸至透镜下部的绿色虚线、其附带箭头，以及折射后通向小倒立像的水平绿色线段。首次完整出现于1.50秒，最后符合条件的帧为4.00秒；前一帧1.25秒尚无该光线，后一帧4.25秒已切换至下一组构图，该下方光线消失。选择2.00秒作为关键帧，此时目标完整清晰，易与上方绿光线及白色光线区分。","start_frame":36,"end_frame":102,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[32.8,288.9,704.7,550.0],"positive_points":[[37.5,293.1],[171.1,356.9],[300.0,416.7],[478.1,502.8],[551.6,537.5],[640.6,547.2]],"negative_points":[[445.3,250.0],[433.6,420.8],[702.3,513.9],[335.9,597.2]],"evidence":"目标是从左侧向透镜下部倾斜的绿色虚线，以及折射后通向小倒像的水平绿线。框覆盖两段射线及其灰白色方向箭头。正点分布在入射虚线、箭头和水平出射线上；负点位于上方绿线、白色射线、小倒像蜡烛和外部背景。"}},{"name":"White optical-center ray","description":"A thin white diagonal ray passes from the object side through the optical center and continues to the lower right. Its slope changes as the object candle approaches the lens.","membership":"Include the full visible white ray and its attached direction arrowhead. Exclude the candle, lens, and other optical lines; do not fill either side of the open line.","id":"obj_009","temporal":{"status":"found","start_s":1.5,"end_s":21.0,"reference_s":5.5,"evidence":"目标是穿过凸透镜光心、向右下方延伸的细白色斜线及其白色方向箭头，斜率随蜡烛移动连续变化。首个合格帧为1.50秒，前一帧1.25秒尚无该白色光线；最后合格帧为20.75秒，光线和箭头仍在，视频结束后无相邻帧。后期光线延伸至画面边界属于射线示意���并非退场。选择5.50秒作为关键帧，白线及箭头清晰，与绿色光线容易区分。","start_frame":36,"end_frame":504,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[186.7,220.8,954.7,745.8],"positive_points":[[218.8,243.5],[398.4,366.4],[513.3,447.2],[632.8,525.7],[804.7,643.1],[925.8,725.3]],"negative_points":[[316.4,402.8],[570.3,583.3],[812.5,763.9],[851.6,513.9]],"evidence":"目标是从左上方穿过透镜光心、延伸至右下方的细白色斜射线，包括中段白色方向箭头。边界框覆盖整条可见白线及该箭头；正点分布在线段各处和箭头上，负点位于蜡烛、透镜、绿色射线及外部背景，排除其他光学元素。"}},{"name":"Formed candle image","description":"A second candle first appears small and inverted to the right of the lens. It moves rightward and enlarges, then rotates during the transition and becomes an enlarged translucent upright image on the left of the lens.","membership":"Include this image candle's body, wick, and flame throughout its movement, scaling, rotation, and transparency changes. Follow its changing outline and exclude the original object candle and construction rays.","id":"obj_010","temporal":{"status":"found","start_s":1.5,"end_s":15.5,"reference_s":12.5,"evidence":"目标是透镜右侧第二支倒立的成像蜡烛，包含烛身、烛芯和火焰，区别于左侧原蜡烛及光线。1.50秒首次完整出现，前一帧1.25秒尚无成像蜡烛；随后移动并放大，最后完整帧为15.25秒，下一帧15.50秒火焰已被画面下边界裁切，因此结束此次连续出现。选择12.50秒作关键帧，此时倒立像较大、轮廓完整，易于与原物区分。","start_frame":36,"end_frame":372,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[833.6,483.3,860.2,801.4],"positive_points":[[843.8,505.6],[851.6,569.4],[839.8,638.9],[851.6,716.7],[846.1,742],[846.1,770.8]],"negative_points":[[419.5,402.8],[570.3,486.1],[781.3,688.9],[895,612]],"evidence":"目标是透镜右侧放大、倒立的成像蜡烛，火焰朝下。边界框紧贴其烛身、烛芯和火焰；正点分布在这些部分，负点位于左侧原蜡烛、透镜、绿色构造光线及右侧背景，以排除其他对象。"}},{"name":"Infinite-distance explanation","description":"The first case caption appears below the left side of the diagram and begins “When object is placed at infinite”, ending with “distance” after the cyan distance symbol.","membership":"Include the complete caption and its inline cyan symbol. Exclude nearby diagram labels, rays, and the control panel.","id":"obj_011","temporal":{"status":"found","start_s":1.5,"end_s":4.25,"reference_s":2.0,"evidence":"目标是图左下方完整的“When object is placed at infinite (μ) distance”说明文字，包含行内青色符号。首个合格帧为1.50秒，最后一个为4.00秒；此前1.25秒尚无该说明，此后4.25秒该说明已消失。选择2.00秒作为关键帧，文字和符号完整清晰，无遮挡，易于与图中标签和下方控制栏区分。","start_frame":36,"end_frame":102,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[112.5,683.3,459.4,726.4],"positive_points":[[116.4,698.6],[166.4,694.4],[224.2,706.9],[317.2,698.6],[372.7,698.6],[454.7,704.2]],"negative_points":[[257.8,609.7],[94.5,695.8],[320.3,750],[321.9,812.5]],"evidence":"目标是图左下方以“When object is placed at infinite”开头、以“distance”结尾的说明文字。边界框覆盖完整单行标题及内嵌青色μ符号；六个正点分布于文字和符号笔画上，负点位于附近独立μ标签、外部背景及下方控制按钮上。"}},{"name":"Beyond-2f explanation","description":"The next caption in the lower-left diagram region begins “When object is placed between infinite” and identifies the range ending at “2f distance”.","membership":"Include the complete caption, including its inline cyan distance symbol and “2f”. Exclude the surrounding optical graphics and controls.","id":"obj_012","temporal":{"status":"found","start_s":5.25,"end_s":6.75,"reference_s":5.5,"evidence":"目标是图示左下方以“When object is placed between infinite”开头、以“2f distance”结尾的完整说明文字，包含内嵌青色距离符号及“2f”。首次完整出现于5.25秒，最后一个符合条件的采样帧为6.50秒；前一帧5.00秒尚无该说明，后一帧6.75秒说明已消失。选择5.50秒作为关键帧，文字完整清晰且无遮挡。","start_frame":126,"end_frame":162,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[107.0,670.8,554.7,729.2],"positive_points":[[110.2,695.8],[220.3,698.6],[353.1,694.4],[416.4,701.4],[471.9,695.8],[520.3,701.4]],"negative_points":[[570.3,625.0],[376.6,486.1],[321.9,808.3],[234.4,893.1]],"evidence":"目标是左下方以“When object is placed between infinite”开头、以“2f distance”结尾的说明。边界框覆盖整句及内嵌青色μ和2f；六个正点分布在文字与符号笔画上，负点位于透镜、光轴、下方按钮和另一行说明文字处，均不属于目标。"}},{"name":"At-2f explanation","description":"The lower-left case caption reads “When object is placed at 2f distance”, with “2f” emphasized in cyan.","membership":"Include the complete caption lettering and inline “2f” only. Exclude nearby optical reference labels and graphics.","id":"obj_013","temporal":{"status":"found","start_s":8.0,"end_s":11.0,"reference_s":8.5,"evidence":"目标是左下方完整字幕“When object is placed at 2f distance”，其中内嵌“2f”为青色。首个合格帧为8.00秒，最后合格帧为10.75秒；相邻的7.75秒帧尚无该字幕，11.00秒帧中该字幕已消失。选择8.50秒作为关键帧，字幕完整清晰、无遮挡，易与附近光学标记区分。","start_frame":192,"end_frame":264,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[106.25,665.28,399.22,723.61],"positive_points":[[108.59,686.11],[168.75,693.06],[225.78,697.22],[282.81,701.39],[310.16,676.39],[336.72,697.22]],"negative_points":[[378,600],[469,600],[254,610],[253,750]],"evidence":"目标是左下方“When object is placed at 2f distance”说明文字。边界框覆盖完整白色 caption 和其中青色“2f”，包括其下伸笔画。六个正点分布在各段文字的字形上；负点位于上方独立的光学参考标签和说明文字下方的背景，排除邻近标签与图形。"}},{"name":"Between-2f-and-f explanation","description":"The lower-left case caption reads “When object is placed between 2f & f distance”, with the focal-distance terms in cyan.","membership":"Include the complete caption and its inline focal-distance terms. Exclude rays, reference markings, and the panel beneath it.","id":"obj_014","temporal":{"status":"found","start_s":12.25,"end_s":14.75,"reference_s":13.0,"evidence":"目标为左下方完整说明“When object is placed between 2f & f distance”，其中2f和f为青色。首个合格帧为12.25秒，最后一个为14.50秒；前邻帧12.00秒尚无该说明，后邻帧14.75秒说明已消失。选择13.00秒作为关键帧，文字完整清晰，无遮挡，易与光线及下方控制面板区分。","start_frame":294,"end_frame":354,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[107.03,665.28,485.94,726.39],"positive_points":[[110.16,693.06],[225,700],[275,694.44],[360.16,693.06],[407.03,693.06],[425.78,695.83]],"negative_points":[[273.44,483.33],[468.75,606.94],[320.31,809.72],[273.44,752.78]],"evidence":"目标是左下方“When object is placed between 2f & f distance”说明文字。边框覆盖整句白色文字及内联青色2f、f；六个正点分布在文字笔画上，四个负点位于外部射线、焦距标记、下方控制面板及句外背景，均不包含在目标中。"}},{"name":"At-f explanation","description":"The next lower-left caption reads “When object is placed at f distance”, with “f” in cyan.","membership":"Include the complete caption lettering and inline “f”. Exclude the adjacent diagram and control panel.","id":"obj_015","temporal":{"status":"found","start_s":15.75,"end_s":18.5,"reference_s":16.0,"evidence":"目标是左下方完整显示的“When object is placed at f distance”说明文字，其中 f 为青色。首个合格帧为15.75秒，最后合格帧为18.25秒；前一帧15.50秒尚无该说明，后一帧18.50秒该说明已消失。选择16.00秒作为关键帧，文字完整清晰且无遮挡，便于与邻近图示及控制面板区分。","start_frame":378,"end_frame":444,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[107,666.7,386.7,722.2],"positive_points":[[109.4,688.9],[159.4,694.4],[235.9,695.8],[282,700],[308.6,686.1],[382,698.6]],"negative_points":[[259,609],[468,599],[473,812],[244,755]],"evidence":"目标是左下方“When object is placed at f distance”说明文字。边界框覆盖整句白色文字及内嵌的青色 f；六个正点分布在各段文字笔画上，负点位于上方独立符号、图示焦点标记、下方控制按钮及外部背景，均不属于该说明。"}},{"name":"Inside-focal-length explanation","description":"The final lower-left caption reads “When object is placed between f & optical centre”, accompanying the enlarged upright image on the object side.","membership":"Include the complete caption and its inline cyan “f”. Exclude the candles, lens, rays, and controls.","id":"obj_016","temporal":{"status":"found","start_s":19.5,"end_s":21.0,"reference_s":20.0,"evidence":"目标是左下方完整字幕“When object is placed between f & optical centre”，包括行内青色 f。19.50秒首次完整出现，20.75秒为最后一个符合条件的采样帧；此前19.25秒尚无该字幕。字幕持续至视频结束，结束后无采样帧。选择20.00秒作为关键帧，字幕清晰完整，且未被遮挡。","start_frame":468,"end_frame":504,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[106.3,665.3,493,725],"positive_points":[[110.2,690.3],[166.4,688.9],[218,694.4],[292.2,695.8],[357.8,688.9],[471.1,693.1]],"negative_points":[[514.1,408.3],[570.3,416.7],[321.9,811.1],[234.4,643.1]],"evidence":"目标是左下方的“When object is placed between f & optical centre”说明文字。边界框覆盖整句及内嵌青色斜体 f；六个正点分布于句首、中段、f 和句尾的字形上。负点位于蜡烛、透镜、底部控制按钮及文字上方背景，均不属于该说明。"}}]}
+{"video_id":204,"video_type":"data and scientific visualization","targets":[{"name":"First animated orbit","description":"A white moving dot draws a gray-to-white, horizontally elongated, loop-shaped trail around the fixed white point. This is the smaller orbit shown with the initial condition x₀ = 4, y₀ = 1, and it fades out before the larger orbit appears.","membership":"Includes the moving circular dot and its visible curved trail throughout drawing, circulation, and fading. The trail remains an open curve; exclude the unfilled space between its branches, the fixed point, grid, axes, and equations.","id":"obj_001","temporal":{"status":"found","start_s":3.0,"end_s":7.5,"reference_s":4.5,"evidence":"目标是 x₀=4、y₀=1 对应的较小轨道，由移动白点及灰白色开放曲线组成，不包括固定白点。3.00 秒时完整的开放环状拖尾已建立；此前 2.75 秒仍在初始延长绘制。最后合格帧为 7.25 秒，紧接的 7.50 秒白点与轨迹开始整体淡出。选择 4.50 秒作为关键帧，轨道轮廓清晰，移动点与中央固定点容易区分。","start_frame":72,"end_frame":180,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[190.6,447.2,642.2,859.3],"positive_points":[[360.4,848.1],[194.3,660.2],[272.4,481.5],[442.7,468.5],[594.27083,588.88889],[528.6,818.5]],"negative_points":[[359.4,700],[78.1,925.9],[634.4,238.9],[692.7,819.4]],"evidence":"目标是围绕固定白点的较小横向环状轨迹，灰白曲线在下方留有开口，移动白点位于左下支末端。框覆盖全部可见曲线及移动点；六个正点分布于移动点和各段轨迹，负点位于明确排除的固定点、坐标轴、公式及环外背景。"}},{"name":"Fixed white point","description":"A small solid white circular point at a cyan grid intersection in the lower-left-central portion of the display. It stays stationary while both animated orbits circulate around it.","membership":"Includes only the filled circular marker and its edge. Excludes the intersecting grid lines, surrounding space, and animated trails.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":8,"evidence":"目标是画面偏左下方青色网格交点上的实心白色圆点，位置始终不变，与绕行的移动白点及轨迹可区分。首个合格帧为0.00秒，最后为14.75秒，全程圆点结构完整，轨迹和文字消退时它仍保持可见。区间覆盖视频首尾，两端均无区间外采样帧。选择8.00秒作为关键帧，此时轨迹已消失，固定圆点清晰且无遮挡。","start_frame":0,"end_frame":360,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[353.65,689.81,365.1,710.19],"positive_points":[[356.77,696.3],[360.94,694.44],[362.5,700],[360.42,705.56],[356.77,704.63],[355.21,700]],"negative_points":[[343.75,700],[359.38,675.93],[373.96,700],[372.4,722.22]],"evidence":"目标是画面左下偏中位置、青色网格交点上的白色实心圆点。边界框紧贴圆点及其边缘；六个正点分布在圆点内部，四个负点位于圆点外的网格线和右下方黑色背景上，排除网格及周围空间。"}},{"name":"First initial-condition label","description":"White mathematical text in the upper right reading “x₀ = 4, y₀ = 1”, progressively revealed above the first orbit equation and later faded out.","membership":"Includes the complete initial-condition text, including subscripts, equals signs, and comma. Excludes the equation below, grid, and orbit graphic.","id":"obj_003","temporal":{"status":"found","start_s":0.75,"end_s":7.5,"reference_s":2.0,"evidence":"目标是右上方的白色初始条件文字“x₀ = 4, y₀ = 1”，不包括下方方程。首个完整呈现帧为0.75秒，前一帧0.50秒的末尾文字仍在逐步显现；最后符合条件的帧为7.25秒，后一帧7.50秒文字已开始淡出。选择2.00秒作为关键帧，此时文字完整清晰、无遮挡，且与下方方程容易区分。","start_frame":18,"end_frame":180,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[702.6,123.1,912.5,179.6],"positive_points":[[711.5,152.8],[733.3,162.0],[760.4,144.4],[792.7,156.5],[823.4,161.1],[906.3,148.1]],"negative_points":[[858.0,240.7],[921.9,351.9],[666.7,138.9],[843.8,74.1]],"evidence":"目标是右上方、轨道方程上方的白色初始条件“x₀ = 4, y₀ = 1”。框覆盖完整文字及下标、等号和逗号；六个正点分布在各处字符笔画上，负点位于下方方程、右侧网格及文字外部背景，均不包含目标。"}},{"name":"First orbit equation","description":"A white mathematical text block below the first initial-condition label, progressively revealed as “x − 2 ln(x) + 2y − 2 ln(y) = 3.23”. It fades out with the smaller orbit.","membership":"Includes all characters of this equation as one text block. Excludes the initial-condition label above, background grid, and animated graphic.","id":"obj_004","temporal":{"status":"found","start_s":2.0,"end_s":7.5,"reference_s":3.0,"evidence":"目标是第一组初始条件下方的白色方程“x − 2 ln(x) + 2y − 2 ln(y) = 3.23”，不包括上方标签。2.00秒首次完整稳定呈现；此前1.75秒末尾数字仍处于描画揭示状态。最后合格帧为7.25秒，随后7.50秒方程开始明显淡出。选择3.00秒作为关键帧，方程清晰完整且无遮挡。","start_frame":48,"end_frame":180,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[423.9,212.0,914.6,277.0],"positive_points":[[433.3,245.4],[513.8,240.7],[607.3,244.4],[687.0,244.4],[830.0,252.0],[903.6,256.5]],"negative_points":[[797.0,149.0],[500.0,370.0],[573.0,323.0],[286.0,475.0]],"evidence":"目标是初始条件标签下方的白色方程“x − 2 ln(x) + 2y − 2 ln(y) = 3.23”。边界框紧贴完整方程，包含括号和下伸字符；六个正点分布在方程左右各处的字符笔画上，负点位于上方标签、外部网格、背景及下方轨道处。"}},{"name":"Second initial-condition label","description":"A newly presented white mathematical label in the upper right reading “x₀ = 5, y₀ = 1”, appearing after the first label has faded away.","membership":"Includes the entire initial-condition text with its subscripts, equals signs, and comma. Excludes the separate equation beneath it and all graph elements.","id":"obj_005","temporal":{"status":"found","start_s":8.75,"end_s":15.0,"reference_s":10.0,"evidence":"目标是右上角第二次出现的白色初始条件标签“x₀ = 5, y₀ = 1”，不包括下方方程。8.50秒标签仍在逐字显现，8.75秒首次完整呈现；此后持续可见，最后合格帧为14.75秒，区间延至视频结尾15.00秒，之后无采样帧。选择10.00秒作为关键帧，标签完整清晰、无遮挡，且与下方方程易于区分。","start_frame":210,"end_frame":360,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[702.5,123.1,912.5,180.6],"positive_points":[[710.4,148.1],[760.4,144.4],[791.1,163.9],[843.8,174.1],[869.8,144.4],[906.8,147.2]],"negative_points":[[723.9,242.6],[921.9,351.9],[843.8,78.7],[677.1,151.9]],"evidence":"目标是右上方白色初始条件标签“x₀ = 5, y₀ = 1”。边界框紧贴整段文字，包含下标、等号和逗号；六个正点分布于文字笔画，负点位于下方独立方程、网格线及标签外的黑色背景，排除其他图形元素。"}},{"name":"Second orbit equation","description":"The newly revealed white equation beneath the second initial-condition label reads “x − 2 ln(x) + 2y − 2 ln(y) = 3.78” and accompanies the larger orbit.","membership":"Includes the complete equation text as one block. Excludes the initial-condition label, grid, axes, and orbit animation.","id":"obj_006","temporal":{"status":"found","start_s":10.0,"end_s":15.0,"reference_s":10.0,"evidence":"目标是第二组初始条件下方、以“= 3.78”结尾的完整白色方程，不含上方标签。9.75 秒末尾数字仍处于描画揭示阶段，10.00 秒首次完整呈现；最后合格帧为 14.75 秒，文字始终保留，因此区间延至视频末尾 15.00 秒，之后无采样帧。选择 10.00 秒为关键帧，方程清晰完整，且无遮挡。","start_frame":240,"end_frame":360,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[423.4,212.0,914.1,276.0],"positive_points":[[432.8,246.3],[513.0,240.7],[606.3,243.5],[717.2,257.4],[828.6,237.0],[905.7,258.3]],"negative_points":[[793.8,148.1],[500.0,370.4],[572.9,333.3],[359.4,700.0]],"evidence":"目标是初始条件标签下方的白色方程“x − 2 ln(x) + 2y − 2 ln(y) = 3.78”。边界框紧密覆盖完整单行方程，包括括号和字符间距。六个正点分布在方程左右各部分的字符及运算符笔画上；负点位于上方初始条件标签、下方网格线、外部黑色背景和白色动画点上。"}},{"name":"Second animated orbit","description":"A white moving dot appears left of the fixed point and draws a larger gray-to-white, horizontally elongated loop-shaped trail. Its upper branch rises higher and its right end extends farther than the earlier orbit, accompanying x₀ = 5, y₀ = 1.","membership":"Includes the moving circular dot and the visible curved trail as they develop and circulate. Treat the trail as an open curve, excluding the unfilled space between its branches. Excludes the fixed white point, grid, axes, and text.","id":"obj_007","temporal":{"status":"found","start_s":10.0,"end_s":15.0,"reference_s":13.0,"evidence":"目标是伴随 x₀=5、y₀=1 出现的移动白点及其动态轨迹；相较前一轨道，上支更高、右端更远。10.00秒首次出现完整移动圆点，随后轨迹随运动延展，属于目标指定的动态状态；此前9.75秒仅有固定点、网格及文字，尚无第二轨道。最后合格帧为14.75秒，白点与开放曲线仍可见，未见退出；区间到达视频末尾，无后续帧。选择13.00秒，较大的环状开放轨迹清晰，移动点与固定点容易区分。","start_frame":240,"end_frame":360,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[153.6,322.2,783.3,886.1],"positive_points":[[168.2,551.0],[281.3,345.4],[546.9,395.4],[774.0,649.1],[625.0,848.1],[184.9,833.3]],"negative_points":[[359.4,700.0],[790.6,148.1],[78.1,833.3],[885.4,555.6]],"evidence":"根据左侧移动白点、横向拉长的灰白色开放轨迹及上方 x₀=5、y₀=1 标注识别目标。框覆盖移动点和整条可见轨迹；六个正点分布于移动点、上弧、右端和下弧。负点位于固定白点、文字、坐标轴及右侧外部背景，未将两分支之间的空白作为负点。"}}]}
+{"video_id":205,"video_type":"data and scientific visualization","targets":[{"name":"Football tactics board","description":"Light-green football pitch containing red and blue circular player markers, a football, pitch markings, and tactical annotations. It is initially centered and becomes enlarged and shifted during the demonstration.","membership":"Include the pitch surface within its boundary, field markings, player markers, ball, and on-pitch tactical graphics. Exclude surrounding application toolbars, floating control panels, playback controls, and overlaid tutorial text.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":14,"reference_s":5.75,"evidence":"目标是带球场线、红蓝圆形球员、足球及战术连线的浅绿色球场，不包括工具栏、浮动面板、播放控件和教程文字。首个合格帧为0秒，最后为13.75秒；期间球场持续存在，放大、平移及局部遮挡未构成退场。区间到达视频首尾，均无边界外采样帧。选择5.75秒作为关键帧，此时球场边界和球员清楚，且没有大型教程文字遮挡。","start_frame":0,"end_frame":336,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[110.4,0,860.4,945.4],"positive_points":[[260,55],[580,58],[281,389],[724,276],[260,860],[812,863]],"negative_points":[[63,517],[497,599],[463,815],[922,499]],"evidence":"目标是中央浅绿色足球战术场地，可见红蓝球员圆点、足球、场线及战术连线。边界框覆盖左右黑色边界之间、从图像顶部至底部遮挡条上方的可见球场。正点分布于场地表面、足球和球员标记；负点位于左侧工具面板、中央浮动控件、底部播放按钮及右侧场外背景，均不属于目标。"}},{"name":"Connections tool icon","description":"Linked-node icon on the left vertical toolbar, below the overlapping-shapes icon and above the cone icon. It is selected to open the connections controls.","membership":"Include the small linked circles and connecting strokes forming this icon. Exclude the toolbar backing, adjacent icons, hover tooltip, and cursor.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":4.25,"reference_s":2,"evidence":"目标是左侧竖向工具栏中、重叠形状图标下方及锥形图标上方的圆点连线图标，不包括面板内的同类图案。首个合格帧为0.00秒，最后为4.00秒；4.25秒画面移动后，该工具栏图标已离开画面。视频起点前无采样帧。选择2.00秒作为关键帧，此时图标完整清晰，且无光标遮挡。","start_frame":0,"end_frame":102,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[30.7,325.9,60,376],"positive_points":[[44.8,327.8],[31.8,349.1],[42.7,373.1],[58.9,368.5],[50.5,353.7],[38.5,336.1]],"negative_points":[[45.3,269.4],[45.3,433.3],[66.1,348.1],[230.7,412]],"evidence":"目标位于左侧竖向工具栏中，在重叠形状图标下方、锥形图标上方。边界框紧贴该连接工具的小圆节点和连接线；六个正点分布于节点轮廓及连接笔画，负点位于相邻图标、工具栏底面及右侧面板内的另一连接图标上，排除这些非目标内容。"}},{"name":"Add annotations heading","description":"Large bold black tutorial heading reading “4. Add annotations,” initially displayed across the middle of the board.","membership":"Include the complete text block only. Exclude its white backing rectangle and the adjacent yellow decorative bar.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0,"evidence":"目标是画面中央完整的黑色粗体标题“4. Add annotations”，仅计文字，不含白色底板和黄色装饰条。首个合格帧为0.00秒，最后合格帧为1.00秒；1.25秒标题已消失。区间始于视频开头，没有更早的采样帧。选择0.00秒作为关键帧，文字完整清晰且无遮挡。","start_frame":0,"end_frame":30,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[141.7,429.6,842.7,542.6],"positive_points":[[175.5,486.1],[244.8,502.8],[366.7,472.2],[499.0,509.3],[599.5,485.2],[827.6,525.0]],"negative_points":[[468.8,562.0],[127.6,481.5],[90.6,501.9],[572.9,388.9]],"evidence":"目标是画面中央粗黑字标题“4. Add annotations”。边界框紧贴完整文字，不包含白色底板和左侧黄色装饰条。六个正点分散在数字及各段字母笔画上；负点位于文字外的白色底板、黄色装饰条和球场背景。"}},{"name":"Connections settings panel","description":"Rounded floating panel titled “CONNECTIONS,” opened beside the left toolbar. It contains “Draw Connections,” a colour swatch that changes from black to blue, a “Solid” style selector, thickness and opacity sliders, and drawing instructions.","membership":"Include the complete panel surface, rounded boundary, heading, close control, drawing control, settings, and instructions. Exclude the toolbar, pitch, cursor, and separate on-pitch connection controls.","id":"obj_004","temporal":{"status":"found","start_s":1.0,"end_s":4.25,"reference_s":1.5,"evidence":"目标是左侧工具栏旁标题为“CONNECTIONS”的圆角设置面板，包含绘制按钮、颜色、Solid 样式及两个滑块。0.75 秒面板仍处于淡入状态，1.0 秒表面和边界已完整建立；最后符合条件的帧为 4.0 秒，4.25 秒面板随画面移动开始被左侧图像边界裁切。选择 1.5 秒作为关键帧，此时整个面板清晰可见，且无遮挡标题横幅。","start_frame":24,"end_frame":102,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[86,293,377,998],"positive_points":[[144,335],[307,467],[162,610],[292,728],[184,847],[251,947]],"negative_points":[[214,490],[45,594],[424,563],[231,203]],"evidence":"目标是左侧工具栏旁标题为“CONNECTIONS”的圆角浮动设置面板。边界框紧贴完整面板，涵盖标题、关闭按钮、绘制控件、设置项、滑块及底部说明。正点分布在面板标题、表面、色块、滑块和说明区域；负点位于明确排除的手形光标、左侧工具栏、右侧球场及面板上方背景。"}},{"name":"Draw Connections control","description":"Linked-node illustration with the label “Draw Connections” near the top of the connections settings panel. It is activated to begin drawing player links and used again later.","membership":"Include the linked-node illustration and its associated “Draw Connections” label as one functional control. Exclude the panel heading, surrounding settings, and cursor.","id":"obj_005","temporal":{"status":"found","start_s":1.25,"end_s":4.25,"reference_s":3.0,"evidence":"目标是 Connections 面板上部的连点图示及其下方“Draw Connections”标签，不含鼠标。首个完整可见帧为1.25秒；此前1.00秒该控件被大标题遮挡。最后合格帧为4.00秒，4.25秒画面移动使标签左侧被图像边界裁切。选择3.00秒作为关键帧，图示和标签清楚完整，且鼠标已移开。","start_frame":30,"end_frame":102,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[187.5,407.4,275,511.1],"positive_points":[[230.7,409.8],[213.6,439.8],[247.4,461.1],[189.6,500.9],[218.8,496.3],[262.5,502.8]],"negative_points":[[140.6,334.3],[112.5,563],[255.7,563.9],[407.8,653.7]],"evidence":"目标位于左侧连接设置面板上部，由链状节点图标及其下方“Draw Connections”标签组成。边界框紧贴图标和完整标签；正点分布在节点轮廓及文字笔画上，负点位于面板标题、颜色与样式设置及面板右侧光标处，均不属于该控件。"}},{"name":"First connection workflow controls","description":"Floating rounded control strip above the lower row of blue players. It begins with “1 player connected,” “Done,” and “Cancel,” updates through four connected players, then changes to “Show,” “This step,” “All steps,” and “Draw on.”","membership":"Include the strip’s surface, boundary, status text, buttons, and checkbox throughout its content updates. Exclude the linked players, connection strokes, pitch, and cursor.","id":"obj_006","temporal":{"status":"found","start_s":3.75,"end_s":12.5,"reference_s":8.5,"evidence":"目标是下方蓝色球员上方的圆角浮动控制条，状态从“1 player connected / Done / Cancel”逐步更新至四人连接，再切换为“Show / This step / All steps / Draw on”，属于同一容器。首个合格帧为3.75秒，前一帧3.5秒尚无此条；最后合格帧为12.25秒，12.5秒时已消失。选择8.5秒作为关键帧，控制条边界完整、文字和复选框清晰，遮挡较少。","start_frame":90,"end_frame":300,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[359.9,553.7,618.8,630.6],"positive_points":[[376.6,589.8],[436.5,591.7],[509.9,591.7],[555.7,590.7],[590.1,590.7],[485.4,562.0]],"negative_points":[[409.4,666.7],[330.7,668.5],[632.8,575.0],[535.9,645.4]],"evidence":"目标是下方蓝色球员上方的圆角浮动控制条，当前显示“Show”“This step”“All steps”和“Draw on”。边界框紧贴控制条可见表面及边界；六个正点覆盖文字、按钮、复选框和条面，负点位于外部球场、蓝色球员���连接线及鼠标指针上。"}},{"name":"Lower blue-player connection","description":"Blue open connection progressively drawn across four blue player markers near the halfway line. Its first sections are nearly horizontal, and its final section slopes slightly upward toward the rightmost player.","membership":"Include only the visible blue connecting strokes along the open polyline. Do not fill the space around or between the segments. Exclude player discs, their surrounding rings, pitch markings, and floating controls.","id":"obj_007","temporal":{"status":"found","start_s":6.5,"end_s":14.0,"reference_s":12.5,"evidence":"目标为半场线附近连接四枚蓝色球员标记的蓝色开放折线，前两段近水平，末段向右略微上倾，仅计连接笔画。6.50秒首次完整连接四枚标记；前一帧6.25秒仅连接三枚，末段尚未完成。最后合格帧为13.75秒，折线仍完整可见，故区间延续至视频结束14.00秒，无后续帧。选择12.50秒作为关键帧，此时浮动控件已消失，连接线清晰且遮挡少。","start_frame":156,"end_frame":336,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[424.5,740.7,896.9,774.1],"positive_points":[[453.1,772.2],[520.8,771.3],[625,772.2],[677.1,772.2],[781.3,762],[849,750.9]],"negative_points":[[412,772.2],[579.7,771.3],[906.8,740.7],[833.3,814.8]],"evidence":"目标是下方连接四个蓝色球员标记的蓝色开放折线，前两段近乎水平，末段向右上倾斜。边界框紧贴可见连接笔画；六个正点分布在三段线条上，负点位于球员圆盘及线外球场背景，排除圆盘、外环和其他元素。"}},{"name":"Annotation visibility tip","description":"Bold black tutorial text above the connection reading “Tip: You can choose whether your animations appear on all steps, or just this one”.","membership":"Include the complete multiline text block through its progressive reveal. Exclude the white backing strips, yellow decorative bar, pitch graphics, and controls.","id":"obj_008","temporal":{"status":"found","start_s":6.75,"end_s":10.75,"reference_s":8.5,"evidence":"目标是连接线上方以“Tip: You can choose whether”开头、以“all steps, or just this one”结尾的三行黑色粗体文字，不含白色底条和黄色装饰。首个完整呈现帧为6.75秒，前一帧6.50秒仍有行首文字未揭示；最后合格帧为10.50秒，10.75秒已替换为另一条关于“Draw on”的提示。选择8.50秒作为关键帧，文字完整清晰且无遮挡。","start_frame":162,"end_frame":258,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[196.4,217.6,640.6,422.2],"positive_points":[[208.3,224.1],[543.2,243.5],[313.0,320.4],[602.1,321.3],[227.6,388.0],[451.6,388.9]],"negative_points":[[648.4,246.3],[175.5,379.6],[703.1,407.4],[510.9,590.7]],"evidence":"目标为画面上方以“Tip:”开头的三行黑色粗体提示文字。边界框紧贴完整文字块，覆盖至“this one”，不包含白色底条或黄色装饰条。六个正点分布在三行文字的笔画上；负点位于右侧白色底条、黄色装饰条、球场背景及下方控制区域。"}},{"name":"Draw-on animation tip","description":"Replacement tutorial text reading “Tip: 'Draw on' gives a subtle reveal animation when the annotation appears”. It accompanies activation of the “Draw on” checkbox.","membership":"Include the complete multiline text block through its reveal and movement. Exclude white backing strips, the yellow decorative bar, underlying board, and controls.","id":"obj_009","temporal":{"status":"found","start_s":11.5,"end_s":14.0,"reference_s":11.5,"evidence":"目标是三行提示文字“Tip: 'Draw on' gives a subtle reveal animation when the annotation appears”，不含白色底条和黄色装饰条。11.25秒左端文字仍被揭示遮罩裁切，11.5秒首次完整呈现；此后移动中持续完整可见，最后合格帧为13.75秒。区间到达视频末尾，没有后续采样帧。选择11.5秒作为关键帧，文字清晰完整且无遮挡。","start_frame":276,"end_frame":336,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[196.4,216.7,658.3,423.1],"positive_points":[[268.8,242.6],[412.0,250.0],[199.5,322.2],[471.4,319.4],[294.3,392.6],[652.1,405.6]],"negative_points":[[191.1,261.1],[176.0,324.1],[555.2,589.8],[713.5,398.1]],"evidence":"已找到以“Tip: 'Draw on' gives”开头的三行教程文字。边界框紧贴完整文字块，不包含白色衬底、黄色装饰条或控件。六个正点分布在三行文字的字形笔画上；负点位于文字外侧白色衬底、黄色条、下方复选框及右侧球场背景。"}},{"name":"Second connection workflow controls","description":"New floating connection strip higher on the pitch when another link is started. It shows the connected-player count with “Done” and “Cancel,” reaching “2 players connected.”","membership":"Include this strip’s rounded surface, boundary, status text, and buttons, including portions temporarily covered by tutorial text. Exclude player markers, connection strokes, and cursor.","id":"obj_010","temporal":{"status":"found","start_s":13.0,"end_s":14.0,"reference_s":13.5,"evidence":"目标是开始第二条连线时出现在球场较高位置的圆角浮动条，包含已连接球员数量及 Done、Cancel 按钮。首个合格帧为13.00秒，部分被教程文字遮挡，但条带已建立；前一帧12.75秒尚未出现。13.50秒显示“2 players connected”，边界和按钮清晰，因此选为关键帧。最后合格帧为13.75秒，条带仍存在；区间延续至视频结束14.00秒，无后续采样帧。","start_frame":312,"end_frame":336,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[398.4,420.4,650.5,503.7],"positive_points":[[412.5,461.1],[490.6,462],[547.4,458.3],[612,460.2],[432.3,488],[634.4,485.2]],"negative_points":[[597.9,566.7],[522.4,532.4],[520.8,388.9],[376,479.6]],"evidence":"目标是球场中上部显示“2 players connected”、Done 和 Cancel 的圆角浮动条。框覆盖条带表面、边界、状态文字及按钮，上缘部分被教程文字遮挡。正点分布于状态区、两个按钮和底部表面；负点位于教程文字、球员标记、连接线及条带外的球场背景。"}},{"name":"Upper blue-player connection","description":"Second blue link drawn between the blue player left of midfield and the blue player diagonally lower and to its right, above the center circle. The earlier four-player connection remains visible below it.","membership":"Include only this open diagonal blue connecting stroke. Exclude its endpoint player discs and rings, the lower connection, pitch markings, floating controls, and overlaid text.","id":"obj_011","temporal":{"status":"found","start_s":13.5,"end_s":14.0,"reference_s":13.5,"evidence":"目标是中心圆上方、从左侧蓝色球员斜向右下方蓝色球员的第二条蓝色连接线，不含端点圆盘及下方四人连线。13.25秒尚未出现该连接线；13.5秒首次完整显示，13.75秒仍然存在，因此区间延续至视频结束14.0秒，之后无采样帧。选择13.5秒作为关键帧，线条清晰，且易与下方连线区分。","start_frame":324,"end_frame":336,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[470.3,502.8,582.3,564.8],"positive_points":[[481.3,509.3],[497.9,518.5],[515.6,527.8],[534.9,538.9],[554.7,549.1],[572.4,558.3]],"negative_points":[[450.5,505.6],[596.9,556.5],[534.4,772.2],[520.8,564.8]],"evidence":"目标是浮动控件下方露出的、向右下方延伸至中圈上方蓝色球员的蓝色斜连接线。框仅覆盖可见连接笔画，不含端点圆盘及圆环。六个正点沿斜线分布；负点位于两端球员、下方旧连接线和斜线外的球场背景。"}}]}
+{"video_id":206,"video_type":"data and scientific visualization","targets":[{"name":"Automatically Draws Lines and Arrows title","description":"Large white introductory text reading “Automatically Draws” above “Lines and Arrows,” centered on an orange background.","membership":"Includes both lines of title lettering as one text block. Excludes the orange background and transition graphics.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0.75,"evidence":"目标为橙色背景上居中的两行白色标题“Automatically Draws”和“Lines and Arrows”。首个合格帧为0.00秒，标题已完整呈现；最后合格帧为2.00秒，左侧转场图形尚未遮住文字。2.25秒帧中转场图形已遮盖标题，故结束于该时刻。区间始于视频开头，没有更早的采样帧。选择0.75秒作为关键帧，标题完整清晰且无遮挡。","start_frame":0,"end_frame":54,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[105.2,338.9,892.7,667.6],"positive_points":[[131.3,417.6],[426,384.3],[669.8,398.1],[181.3,602.8],[445.3,624.1],[815.1,590.7]],"negative_points":[[80,500],[930,500],[500,250],[500,780]],"evidence":"目标是橙色背景中央的白色两行标题“Automatically Draws”和“Lines and Arrows”。边界框紧密覆盖两行完整文字及其间距；六个正点分布在两行不同位置的字母笔画上，四个负点位于标题左、右、上、下方的外部橙色背景。"}},{"name":"Animated basketball play board","description":"Bounded wood-textured half-court diagram with teal court markings, a dark blue key, and an orange basket at the top. Teal player numbers and white X-prefixed defenders move through the play; directional arrows appear as the bottom caption advances from “Princeton 1-S1op: Step 1” onward.","membership":"Includes the board’s surface, outer boundary, court markings, basket, player and defender labels, basketball, animated movement and passing paths, play caption, and controls along its bottom edge. Excludes the separate Playback panel and the gray application status area below the board.","id":"obj_002","temporal":{"status":"found","start_s":2.75,"end_s":11.0,"reference_s":4.25,"evidence":"目标是木纹半场战术板，含青色球场线、深蓝禁区、橙色篮筐、球员与防守��签、篮球、路径及底部说明和控件，不含右侧Playback面板和下方灰色状态区。2.50秒仍有粉色转场遮罩，2.75秒板面与边界首次完整呈现；此后持续可见，最后合格帧为10.75秒，区间延至视频结束11.0秒，之后无采样帧。选择4.25秒作为关键帧，战术板完整无遮挡，球员、篮球及方向箭头清楚可辨。","start_frame":66,"end_frame":264,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[1.6,1.9,903.1,972.2],"positive_points":[[137,202],[452,321],[758,427],[220,619],[643,909],[771,940]],"negative_points":[[931,182],[971,465],[946,47],[485,988]],"evidence":"目标是左侧完整木纹半场战术板，含青色场线、深蓝禁区、篮筐和球员标记。边框覆盖整个板面及底部标题、控制条，不含右侧独立 Playback 面板和下方灰色状态栏。正点分布于木纹表面、禁区、防守标签、篮球及底部控件；负点位于右侧面板、外部灰色背景和底部状态栏。"}},{"name":"Animated basketball","description":"Small shaded orange basketball with dark curved seams, initially beside teal player 2 near the bottom-right of the court. It subsequently travels toward player 5 on the left side of the key.","membership":"Includes the circular ball graphic and its internal shading and seams throughout its movement. Excludes nearby player numbers, court markings, and passing arrows. It remains part of the play board’s contents.","id":"obj_003","temporal":{"status":"found","start_s":2.5,"end_s":11.0,"reference_s":2.75,"evidence":"目标是带深色弧形接缝和阴影的橙色圆形篮球，最初位于球场右下方青色数字2旁，随后移动至禁区左侧球员5附近。首个合格帧为2.50秒，篮球自身已完整显露，虽画面右侧仍有转场遮罩；前一帧2.25秒未显示篮球。最后合格帧为10.75秒，篮球仍完整可见，区间延续至视频结束11.00秒，之后无采样帧。选择2.75秒作为关键帧，因为转场已结束，篮球轮廓、阴影和接缝清晰，易与附近数字及场地线条区分。","start_frame":60,"end_frame":264,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[632.29,889.81,654.69,930.56],"positive_points":[[635.94,902.78],[642.71,895.37],[649.48,901.85],[635.94,915.74],[642.71,923.15],[650.52,915.74]],"negative_points":[[658.33,887.96],[625,910.19],[643.23,946.3],[671.88,921.3]],"evidence":"目标是球场右下方、青色球员数字2旁的橙色篮球，具有阴影和深色弧形球缝。边界框紧贴完整球形图案；六个正点分布于球面各部位，四个负点位于旁边的数字2及球外木地板，排除球员标记和背景。"}},{"name":"Playback control panel","description":"Tall narrow panel on the right headed “Playback,” containing a two-column grid of predominantly blue controls for stepping, drawing, playback speed, and other functions.","membership":"Includes the panel’s outer frame, header, backing surface, and all enclosed buttons, icons, labels, and values. Excludes the surrounding gray application background and the court board. Separately identified controls remain within this panel’s region.","id":"obj_004","temporal":{"status":"found","start_s":2.75,"end_s":11.0,"reference_s":3.0,"evidence":"目标是右侧标题为“Playback”的窄长面板，包含外框、底板及两列蓝色控制按钮。首个完整呈现帧为2.75秒；前一帧2.50秒仍被粉红色转场遮罩部分覆盖。面板持续存在至最后采样帧10.75秒，因此区间结束于视频末尾11.0秒，之后无采样帧。选择3.0秒作为关键帧，此时标题、边界和全部按钮清晰完整，无转场遮挡。","start_frame":66,"end_frame":264,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[904.7,104.6,997.9,905.6],"positive_points":[[931.3,127.8],[978.1,188],[932.3,396.3],[974,538.9],[931.3,750],[968.8,875]],"negative_points":[[937.5,55.6],[937.5,935.2],[885.4,463],[864.6,787]],"evidence":"目标是图像右侧标题为“Playback”的狭长控制面板。边界框紧贴面板外框，包含标题、底板及全部双列按钮、图标和标签。正点分布在标题及上中下部控件表面；负点位于面板上、下方的灰色应用背景和左侧球场区域。"}},{"name":"Automatic arrows toggle","description":"Blue control in the right column of the Playback panel, displaying a diagonal arrow and “ON.” Its activation is followed by directional paths appearing on the court.","membership":"Includes the complete button face and boundary, its arrow icon, and “ON” label. Excludes neighboring buttons, the ordinary cursor, and the temporary click highlight.","id":"obj_005","temporal":{"status":"found","start_s":2.75,"end_s":11.0,"reference_s":3.0,"evidence":"目标为右侧 Playback 面板右列中带斜向箭头和“ON”的蓝色按钮，包含完整按钮边界，不含鼠标和点击高亮。首个完整呈现帧为2.75秒；前一帧2.50秒仍被粉色转场遮罩部分遮挡。按钮持续存在至最后采样帧10.75秒，因此区间结束于视频末尾11.0秒，之后无采样帧。选择3.00秒作为关键帧，按钮结构清晰且无光标或点击高亮遮挡。","start_frame":66,"end_frame":264,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[951.6,501.9,991.7,575],"positive_points":[[958.3,513],[983.9,514.8],[966.7,536.1],[975.5,544.4],[959.4,560.2],[985.4,559.3]],"negative_points":[[931.8,537],[970.8,468.5],[971.4,608.3],[995.8,538.9]],"evidence":"目标位于右侧 Playback 面板右列，是显示斜向箭头及“ON”的蓝色按钮。边界框覆盖完整按钮表面、边框、图标和文字；六个正点分布于按钮表面及图文区域，四个负点位于左侧、上方、下方相邻按钮和右侧面板背景，不包含邻钮或临时高亮。"}},{"name":"Next-step control","description":"Right-hand blue control in the Playback panel’s step-navigation row, marked with a white right-facing chevron and a small upcoming-step number. It is repeatedly activated as the court demonstration advances.","membership":"Includes the button’s surface, boundary, right-facing chevron, and enclosed step-number content as it updates. Excludes the adjacent previous-step button, content outside this button, the cursor, and click highlights.","id":"obj_006","temporal":{"status":"found","start_s":2.75,"end_s":11.0,"reference_s":3.0,"evidence":"目标是右侧 Playback 面板步进导航行中的右侧蓝色按钮，含白色右向尖括号及随步骤更新的小数字，不含光标或点击高亮。2.75秒首次完整显示，之前2.50秒仍被粉色转场遮罩覆盖，尚未完成揭示。按钮持续存在至最后采样帧10.75秒，因此区间结束于视频终点11.0秒；终点后无采样帧。选择3.00秒作为关键帧，按钮边界、箭头和数字清晰，且没有光标或点击高亮遮挡。","start_frame":66,"end_frame":264,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[951.56,218.52,991.67,291.67],"positive_points":[[957.29,231.48],[982.81,232.41],[971.88,253.7],[959.9,276.85],[985.94,275.0],[981.77,263.89]],"negative_points":[[931.25,253.7],[971.88,324.07],[971.35,183.33],[899.48,253.7]],"evidence":"目标是右侧 Playback 面板步进导航行中带白色右箭头和小数字“2”的蓝色按钮。框覆盖该按钮的表面、边界及内部标记；六个正点分布在按钮表面、箭头和数字处，负点位于左邻上一步按钮、上下其他按钮及面板外背景。"}}]}
+{"video_id":207,"video_type":"data and scientific visualization","targets":[{"name":"Graduation chart title","description":"The heading above the opening particle-flow visualization: “Watch graduate's collect their degree (by percentage within ethnicity)”.","membership":"Includes the complete heading text, excluding the flow diagram, background, and overlapping transition graphics.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是开场粒子流图上方的完整标题“Watch graduate's collect their degree (by percentage within ethnicity)”。0.00秒标题完整清晰，为首个及最后一个合格采样帧；紧邻的0.25秒帧中标题已明显淡出，因此不纳入。区间始于视频开头，没有更早帧。选择0.00秒为关键帧，标题最清楚且完整可辨。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[41.7,34.3,447.4,119.4],"positive_points":[[44.8,43.5],[94.3,54.6],[149.5,61.1],[229.2,75.9],[315.6,89.8],[418.8,102.8]],"negative_points":[[221.4,23.1],[60.4,96.3],[299.5,161.1],[156.3,238.0]],"evidence":"目标是图像左上方略向右下倾斜的毕业图表标题，以“Watch graduate's”开头。边界框覆盖整行标题至末尾括号；六个正点分布在标题不同位置的字形上，四个负点位于标题外的空白、粒子流及过渡图形上。"}},{"name":"Graduation particle-flow diagram","description":"The opening visualization sends colored square particles from White, Black, Asian, Mixed, and Other/NA source blocks toward five degree classifications, from First class to Unclassified.","membership":"Includes the five source blocks, their labels, the particle streams, and the destination bars and classification labels. Excludes the heading, the separate percentage table on the right, and the revenue diagram fading in behind it.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"0.00秒可见五个人群来源块及标签、彩色方形粒子流，以及从First class到Unclassified的五个目的条和分类标签，目标结构完整。首末合格帧均为0.00秒；前方已是视频起点，无更早采样帧。紧邻的0.25秒帧中该图明显淡出，收入图逐渐取代它，故不纳入。选择0.00秒为关键帧，其目标轮廓和组成最清楚。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[0,65.7,713.6,989],"positive_points":[[62,101],[248,330],[32,663],[24,819],[702,228],[673,956]],"negative_points":[[233,75],[786,422],[431,739],[118,585]],"evidence":"通过五个族群源块、彩色方形粒子流及五类学位终点识别目标。边框覆盖左侧源块和标签、粒子流以及右侧分类标签与终点条，直至底部 Unclassified。正点分布于源块、粒子和终点条；负点位于顶部标题、右侧百分比表，以及淡入背景中的收入图蓝色竖条和 iPad 标签。"}},{"name":"Graduation percentage table","description":"The opening table to the right of the particle diagram has ethnicity column headings and colored percentages aligned with the degree classifications.","membership":"Includes the ethnicity headings and all percentage cells as one table. Excludes the adjacent destination bars and classification labels, the watermark, and the incoming revenue visualization.","id":"obj_003","temporal":{"status":"found","start_s":0.0,"end_s":0.25,"reference_s":0.0,"evidence":"目标是开场右侧由族裔列标题及各学位等级对应的彩色百分比组成的完整表格，不含左邻分类标签和竖条。首个及最后一个符合条件的采样帧均为0.00秒，表格结构与文字清楚可辨，故选作关键帧。紧接的0.25秒帧中表格已明显淡出，被收入流向图替代，因此排除。区间到达视频起点，没有更早的采样帧。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[690.6,152.8,992.2,987],"positive_points":[[733.3,162],[972,199.1],[791.7,245.4],[782,421],[891,612.9],[935,974]],"negative_points":[[606.3,566.7],[689.1,575],[922.9,60.2],[764.1,552.8]],"evidence":"目标是粒子图右侧的毕业比例表，包含 White、Black、Asian、Mixed、Other/NA 五个族裔列标题及下方全部五行百分比。边界框覆盖完整表格文字；正点分布在列标题及不同位置的百分比字符上。负点位于左邻学位分类标签、终点竖条、右上水印和叠加收入图的 Products 文字上，均不属于目标表格。"}},{"name":"Revenue Sankey diagram","description":"A flow chart with iPhone, Mac, iPad, Wearables & Accessories, and Services feeding a blue Total Revenue bar. Outgoing branches lead to red cost bars and green gross-profit bars for products and services.","membership":"Includes all source and destination bars, the central bar, connecting ribbons, category labels, and monetary values. Follows the ribbon contours and includes the bar surfaces. Separately listed hover tooltips remain overlays rather than part of the diagram; excludes the recording cursor, watermark, and other charts visible during transitions.","id":"obj_004","temporal":{"status":"found","start_s":0.5,"end_s":4.75,"reference_s":0.5,"evidence":"通过五类收入来源汇入蓝色 Total Revenue 中央条，再流向红色成本条和绿色毛利条的结构识别目标。首个合格帧为0.50秒，最后合格帧为4.50秒；此前0.25秒仍在淡入并与上一图表重叠，此后4.75秒开始淡出并叠入环形图。选择0.50秒作为关键帧，图表结构、类别标签及金额完整清晰，且无悬浮提示框遮挡。","start_frame":12,"end_frame":114,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[46.4,50.9,810.4,923.1],"positive_points":[[155,233],[287,492],[155,840],[431,471],[707,241],[707,835]],"negative_points":[[916,58],[156,937],[65,445],[852,590]],"evidence":"依据五类收入汇入蓝色 Total Revenue 柱、再流向成本及毛利柱的结构识别。边界框覆盖全部柱体、连接带、类别标签及金额。正点分布在左侧收入柱与带、中央柱和右侧支出及毛利柱；负点位于右上水印、底部录制光标及图外空白，均不属于图表。"}},{"name":"Browser usage-share doughnut chart","description":"The large animated ring replacing the Sankey diagram shows browser shares with a yellow-orange IE sector, purple Firefox sector, blue Chrome sector, and smaller Safari, Others, and Opera sectors. Browser logos and external percentage callouts identify the changing slices.","membership":"Includes the ring's outer boundary and enclosed area, all sectors and browser logos, and the attached leader lines and percentage labels. The separately listed central annotation panel remains within its enclosed area. Excludes the separate miniature history chart, date readout, and watermark.","id":"obj_006","temporal":{"status":"found","start_s":6.0,"end_s":11.0,"reference_s":6.5,"evidence":"目标为带黄色橙色 IE、紫色 Firefox、蓝色 Chrome 等扇区、浏览器标志及外接百分比引线的环形图。6.0 秒首次完成淡入，前一帧 5.75 秒仍处于与桑基图交叠的淡入阶段。最后合格帧为 10.75 秒，环形图仍完整显示，故区间延至视频末尾 11.0 秒，末尾之外没有采样帧。选择 6.5 秒作为关键帧，环形边界、各扇区、标志及外接标签清晰可辨。","start_frame":144,"end_frame":264,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[60.4,147.2,732.3,936.1],"positive_points":[[142,160],[628.1,174.1],[530,327],[245,638],[392,532],[689,923]],"negative_points":[[574,881],[714,895],[920,64],[180,755]],"evidence":"目标是大型浏览器份额圆环图。边界框覆盖全部扇区、浏览器标志、圆环包围的中央注释面板，以及连接线和外侧百分比标签。正点分布在标签、Opera和IE扇区及中央面板；负点位于明确排除的迷你历史图、日期、水印和图外白色背景。"}},{"name":"Browser-share history chart","description":"A small rectangular stacked-area visualization below and to the right of the doughnut chart, using the browser colors to show changes over time.","membership":"Includes the miniature plot surface, colored stacked areas, and its visible time-position line. Excludes the adjacent large date text and doughnut-chart callouts that overlap its vicinity.","id":"obj_007","temporal":{"status":"found","start_s":6.0,"end_s":11.0,"reference_s":10.75,"evidence":"目标是圆环图右下方、巨大日期文字左侧的矩形浏览器份额历史图，包含彩色堆叠区域及时间位置线。首个符合条件的帧为6.00秒；前一帧5.75秒仍处于淡入叠化中。最后符合条件的帧为10.75秒，持续到视频结束11.00秒，之后无采样帧。选择10.75秒作为关键帧，微型图表边界、彩色区域和位置线清楚，附近标注遮挡较少。","start_frame":144,"end_frame":264,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[519.8,844.4,668.8,924.1],"positive_points":[[525,866.7],[544.3,866.7],[546.9,915.7],[572.9,911.1],[604.2,878.7],[630.7,914]],"negative_points":[[700,898],[695,863],[588.5,953.7],[492.7,860.2]],"evidence":"目标是圆环图右下方的小型矩形浏览器份额历史堆叠面积图。边界框紧贴其绘图表面，涵盖彩色面积与可见时间定位线；正点分布于紫、青绿、黄橙等绘图区。负点位于排除的大日期文字、IE标注、圆环色块及下方外部空白，不将重叠文字纳入目标。"}},{"name":"Browser animation date","description":"The large gray year-and-month readout beside the miniature history chart advances from 2008 into 2010 as browser shares change.","membership":"Includes only the complete changing date text. Excludes the adjacent miniature chart, browser percentage labels, and background.","id":"obj_008","temporal":{"status":"found","start_s":6.0,"end_s":11.0,"reference_s":10.75,"evidence":"目标是微型历史图右侧的大号灰色年月文字，随动画从2008年推进到2010年，不包括图表和百分比标签。5.75秒仍处于淡入过渡，6.00秒首次完整清晰呈现；最后合格帧为10.75秒，故区间结束于11.00秒。视频结束后没有相邻帧，也未观察到退出。选择10.75秒作为关键帧，此时“2010.10”完整清楚，便于与旁边图表及标签区分。","start_frame":144,"end_frame":264,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[647.9,875,761.5,919.4],"positive_points":[[654.7,881.5],[670.3,897.2],[695.3,900.9],[714.1,895.4],[735.4,900.9],[757.3,895.4]],"negative_points":[[583.3,888.9],[631,860.2],[781.3,898.1],[708.3,953.7]],"evidence":"目标是右下方微型历史图旁的大号灰色日期“2010.10”。边界框仅覆盖完整日期文字；六个正点分布在各数字笔画上，负点位于相邻微型图、浏览器占比标签及日期外侧白色背景，均不包含在目标中。"}},{"name":"Central browser-history annotation panel","description":"A gray circular panel inside the doughnut hole. Its first presentation uses the Chrome logo and text explaining the September 2008 beta release and WebKit/Blink history; it later updates to the Firefox logo and an explanation of Firefox's 2009 usage peak and competition with Chrome.","membership":"Includes the circular panel's surface, boundary, enclosed browser logo, and complete explanatory text as its contents update. Excludes the surrounding doughnut sectors and their logos, external callouts, and the history chart below.","id":"obj_009","temporal":{"status":"found","start_s":6.0,"end_s":10.75,"reference_s":6.5,"evidence":"目标为甜甜圈图中央的灰色圆形浏览器历史说明面板，包含浏览器标志及完整说明文字，内容从Chrome更新为Firefox而面板保持连续。6.00秒首个完整帧之前的5.75秒仍为淡入；10.25和10.50秒仍完整呈现Firefox面板，10.75秒中央已留白，故末个合格采样帧为10.50秒，右开区间为[6.00,10.75)。关键帧6.50秒的圆形边界、Chrome标志及文字清晰完整。","start_frame":144,"end_frame":258,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[285.4,330.6,509.4,728.7],"positive_points":[[397,414],[322,447],[474,453],[345,575],[452,638],[392,697]],"negative_points":[[229,524],[339,249],[558,515],[594,883]],"evidence":"目标是圆环中央的灰色圆形浏览器历史说明面板，内含 Chrome 标志及介绍2008年9月测试版发布、WebKit和Blink的文字。边界框紧贴灰色圆盘外缘；正点分布于面板表面、标志和说明文字，负点位于外围圆环扇区、Firefox标志及下方历史图表，均不属于目标。"}}]}
+{"video_id":208,"video_type":"data and scientific visualization","targets":[{"name":"Programming-language popularity title","description":"Large white heading across the top reading “Most Popular Programming Languages (1990–2026)”.","membership":"Includes the complete heading text. Excludes the laptop icon to its left, the thin strip above it, and the chart below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":19,"reference_s":0,"evidence":"目标为顶部完整白色标题“Most Popular Programming Languages (1990–2026)”，不包括左侧笔记本图标、上方细条或下方图表。标题从首个采样帧0.00秒至最后采样帧18.75秒始终完整可见，无淡入、淡出或裁切，因此区间为[0,19)。区间已覆盖视频首尾，两端均无外侧采样帧。选择0.00秒为关键帧，标题清晰无遮挡，便于独立标注。","start_frame":0,"end_frame":456,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[75.5,47.5,754,108.8],"positive_points":[[78.1,69.4],[152.1,69.4],[262.5,69.4],[445.3,71.8],[606.3,69.4],[750,75.2]],"negative_points":[[52.1,74.1],[500,18.5],[520.8,219.9],[364.6,133.1]],"evidence":"目标是顶部白色标题“Most Popular Programming Languages (1990–2026)”。边界框紧贴完整标题文字，包含字母下伸部分和年份括号。六个正点分布在标题各段的文字笔画上；负点位于左侧笔记本图标、上方细条、下方图表和标题外的黑色背景，均不属于目标。"}},{"name":"Animated programming-language ranking chart","description":"Horizontal bar chart with colored language bars, names on the left, logos near the bar ends, numerical scores, and a top scale. Bars change length and ranking; Python and C# enter or leave the displayed rankings.","membership":"Includes all displayed bars, their language labels, logo tiles, numerical values, the top numerical scale, and vertical chart gridlines. Tracks the chart as its contents animate. Excludes the heading, large year readout, playback controls, bottom timeline, and source text.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":19,"reference_s":1,"evidence":"目标为包含彩色横条、语言名称、末端标志、分数、顶部刻度及竖向网格线的排名图，排除标题、年份和底部控件等。首个合格帧为0.00秒，图表结构已完整建立；末个合格帧为18.75秒，仍完整存在。期间条形长度、排名及语言成员变化属于同一图表的内容动画。区间覆盖视频首尾，两端均无额外相邻采样帧。选择1.00秒作为关键帧，各横条分行清楚，标志和分数遮挡少，便于标注。","start_frame":0,"end_frame":456,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[35.4,141.2,936,767.4],"positive_points":[[651,220],[369,294],[219,365],[512,154],[396,656],[208,729]],"negative_points":[[406,73],[846,669],[537,908],[475,967]],"evidence":"通过横向彩色语言条、左侧名称、末端标志及分值识别排名图。框覆盖全部可见条形、语言标签、标志块、数值、顶部刻度和竖直网格线。正点分布在不同高度的条形、PHP标志及顶部刻度上；负点位于排除的标题、大号年份、底部时间轴和来源文字。"}},{"name":"Current year readout","description":"Oversized white year at the lower right of the chart, initially “1995” and subsequently “2000”.","membership":"Includes only the digits of the continuously updated year readout, excluding surrounding chart graphics and the timeline beneath it.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":19,"reference_s":1,"evidence":"目标是图表右下方独立的超大白色年份数字，不包含下方时间轴。首个合格帧为0.00秒，显示完整“1995”；0.50秒起更新为“2000”，同一读数持续存在，末个合格帧为18.75秒。区间覆盖视频全长，起点之前和终点之后均无采样帧。选择1.00秒作为关键帧，此时“2000”完整清晰、无遮挡，容易与周围图形区分。","start_frame":0,"end_frame":456,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[727.6,586.8,968.8,742],"positive_points":[[750.5,600.7],[752,727],[790,661],[809,729],[875,601],[961,665]],"negative_points":[[840,530],[981,666],[844,818],[690,650]],"evidence":"目标是图表右下方超大白色年份“2000”。边界框紧贴四个数字的可见范围，不包含图表线条和下方时间轴。六个正点分布在四个数字的白色笔画上，四个负点位于年份外围的背景区域。"}},{"name":"Pause control","description":"Dark circular playback button at the lower left containing two white vertical pause bars.","membership":"Includes the circular button surface and its two pause bars. Excludes the neighboring timeline and chart.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":19,"reference_s":0,"evidence":"目标是画面左下角的深色圆形播放按钮，内部有两条白色竖直暂停条，不包括旁边的时间轴。首个合格帧为0.00秒，末个为18.75秒；所有采样帧中按��均完整可见，未见淡入、淡出或移出。区间覆盖视频起止边界，两端均无额外的区间外采样帧。选择0.00秒为关键帧，因为圆形表面及两条暂停条清晰、无遮挡，便于标注。","start_frame":0,"end_frame":456,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[46.35,811.34,80.73,887.73],"positive_points":[[58.85,850.69],[67.71,850.69],[63.02,820.6],[51.56,847.22],[74.48,846.06],[63.54,877.31]],"negative_points":[[33.85,846.06],[63.54,787.04],[117.19,880.79],[156.25,729.17]],"evidence":"目标位于左下角，是含两条白色竖条的深色圆形暂停按钮。边界框紧贴圆形按钮外缘，涵盖按钮表面及暂停条；六个正点分布在两条白色竖条和圆形表面上，四个负点位于按钮外背景、右侧时间轴及上方图表区域。"}},{"name":"Year navigation timeline","description":"Thin horizontal timeline along the bottom, labeled from “1990” through “2026”, with a small downward-pointing triangular position marker that advances to the right.","membership":"Includes the timeline line, tick marks, year labels, and triangular position marker. Excludes the separate pause button, source text below, and chart above.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":19,"reference_s":0,"evidence":"目标是底部标有1990至2026的细横线、刻度、年份标签及向下三角位置标记，不包括暂停按钮和下方来源文字。首个合格帧为0.00秒，末个为18.75秒；整个采样序列中时间轴结构完整可见，三角标记向右移动。区间覆盖视频首尾，两端均无额外相邻帧。选择0.00秒为关键帧，因为时间轴及标记清晰、无遮挡，便于与其他图表元素区分。","start_frame":0,"end_frame":456,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[85.4,864.6,973.4,917.8],"positive_points":[[87.5,905.1],[207.3,882],[314.6,869.2],[535.4,885.4],[754.2,882],[951,900.5]],"negative_points":[[63.5,849.5],[442,968],[245,728],[730,832]],"evidence":"目标是底部标有1990至2026的横向年份导航轴。边界框紧密覆盖轴线、刻度、年份文字及向下三角位置标记；正点分布在年份字形、轴线、刻度和三角标记上，负点位于独立暂停按钮、下方来源文字、上方图表及轴外背景。"}},{"name":"Data-source attribution","description":"Centered white footer reading “Source: TIOBE, GitHub, Stack Overflow, RedMonk”.","membership":"Includes the source-attribution text only. Excludes the adjacent trailing dot, timeline above, and surrounding black background.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":19,"reference_s":0,"evidence":"目标是画面底部居中的白色署名文字“Source: TIOBE, GitHub, Stack Overflow, RedMonk”，不含末尾圆点。首个合格帧为0秒，最后为18.75秒，期间文字始终完整可见。区间覆盖视频首尾，两端均无区间外采样帧。选择0秒为关键帧，文字清晰完整、无遮挡，便于独立标注。","start_frame":0,"end_frame":456,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[338.5,953.7,663.2,985.0],"positive_points":[[341.7,961.8],[396.0,958.3],[442.2,966.4],[495.3,961.8],[534.9,966.4],[602.6,966.4]],"negative_points":[[668.8,968.8],[536.5,881.0],[500.0,927.1],[686.5,962.9]],"evidence":"目标是底部居中的白色来源署名。边界框仅覆盖“Source: TIOBE, GitHub, Stack Overflow, RedMonk”整段文字，不含末尾圆点。六个正点分布于各部分文字笔画上；负点位于末尾圆点、上方时间轴及外围黑色背景。"}}]}
+{"video_id":209,"video_type":"data and scientific visualization","targets":[{"name":"Item Category Analysis title","description":"Large white heading at the upper left identifying the initial dashboard page.","membership":"Includes only the complete heading text; excludes the logo, teal header background, and navigation controls.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":9.25,"reference_s":2.5,"evidence":"目标为左上方白色完整标题“Item Category Analysis”，不含徽标、背景及导航。首个合格帧为0.00秒，最后为9.00秒，期间标题持续完整可见；9.25秒已替换为“Storage Type Analysis”。区间始于视频开头，无更早采样帧。选择2.50秒作为关键帧，标题清晰完整且无遮挡，易于单独标注。","start_frame":0,"end_frame":222,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[111.3,57.3,316.4,91.1],"positive_points":[[113.8,70.3],[142.6,74.7],[161.1,69.4],[187.5,69.4],[245.6,76.4],[312.5,77.3]],"negative_points":[[44,61],[221,34],[382,69],[219,108]],"evidence":"目标是左上方白色大标题“Item Category Analysis”。边界框紧贴完整标题文字，六个正点分布在各词的字形笔画上；负点位于左侧标志、标题上下的青色背景及右侧Overview导航控件，均不属于标题。"}},{"name":"Dashboard page navigation","description":"Horizontal row of five arrow-shaped tabs across the header: \"Overview\", \"Item Category Analysis\", \"Storage Type Analysis\", \"Warehouse Name Analysis\", and \"Month Analysis\". The highlighted selection changes as the demonstration switches pages.","membership":"Includes the five arrow-shaped tab surfaces, their boundaries, and their labels. Follows the individual arrow outlines, excluding gaps, surrounding header, social icons, cursor, and editing overlays.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":9.25,"reference_s":2.5,"evidence":"目标是页眉中从“Overview”到“Month Analysis”的五个箭头形导航标签，不包括社交图标、光标和编辑叠加层。首个合格帧为0.00秒，五个标签已完整显示；最后合格帧为9.00秒。紧接的9.25秒帧中标签消失，仅留下空白导航区域，因此结束本次连续出现。起点为视频开头，无更早采样帧。选择2.50秒作为关键帧，五个标签的轮廓和文字清晰，且无遮挡。","start_frame":0,"end_frame":222,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[334.5,33.9,849.6,102.4],"positive_points":[[379.9,68.6],[487.3,49.5],[507.8,85.1],[592.8,70.3],[697.8,69.4],[801.3,68.6]],"negative_points":[[440.4,69.4],[644.5,69.4],[871.1,61.6],[589.4,118.1]],"evidence":"目标是页眉中从 Overview 到 Month Analysis 的五个箭头导航标签。边界框紧贴整排标签的可见范围；正点分布在五个标签表面及文字区域，负点位于标签间隙、右侧社交图标和下方非导航区域，排除周围页眉与其他对象。"}},{"name":"Year filter","description":"Topmost teal filter card in the left column, labeled \"Year\", with a white dropdown displaying \"All\".","membership":"Includes the rounded teal card, label, and dropdown field with its arrow and value. Excludes external visual-header controls and selection handles.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":2.5,"evidence":"目标是左侧筛选列最上方的圆角青色“Year”卡片，包含显示“All”的白色下拉框及箭头，不含外部控件。首个合格帧为0.00秒，最后为14.75秒；期间页面切换时卡片仍保持原位置和完整边界，未观察到退出或消失。区间覆盖视频首尾，两端均无额外相邻帧。选择2.50秒作为关键帧，卡片清晰完整且无遮挡。","start_frame":0,"end_frame":360,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[26.4,132.8,181.2,248.3],"positive_points":[[47.9,158.0],[149.4,154.5],[47.4,195.3],[161.6,195.3],[48.8,228.3],[159.2,228.3]],"negative_points":[[102.5,261.3],[102.5,296.0],[190.4,189.2],[19.5,185.8]],"evidence":"目标是左侧列最上方标有“Year”的青绿色筛选卡。边界框紧贴圆角卡片，包含标签及显示“All”的白色下拉框和箭头。正点分布在标签、下拉框及卡片表面；负点位于卡片外侧背景、下方间隔及“Month Name”卡片上。"}},{"name":"Month Name filter","description":"Second teal filter card in the left column. Its dropdown opens to a checkbox list of months, and the displayed selection changes from \"All\" to \"Mar\" and \"Jun\" before being cleared.","membership":"Includes the card surface and boundary, label, dropdown field, and its expanded month-list popup when visible, including checkboxes and scrollbar. Excludes the cursor, tooltips, selection handles, and floating editing controls.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":12.75,"evidence":"目标是左侧第二张标有“Month Name”的青色筛选卡，包含下拉框及展开的月份复选列表。首个合格帧为0.00秒，最后为14.75秒；页面切换时卡片表面和边界持续存在，列表展开及All、Mar、Jun之间的变化不改变其身份。区间到达视频两端，没有更早或更晚的采样帧。选择12.75秒作为关键帧，此时月份列表、复选框和滚动条清晰展开，光标位于列表外。","start_frame":0,"end_frame":360,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[27.8,273.4,182.0,636.5],"positive_points":[[99,297],[96,335],[32,355],[68,367],[50,519],[168,500]],"negative_points":[[183,315],[107,239],[177,600],[193,463]],"evidence":"目标是左侧第二张标有“Month Name”的筛选卡，当前显示 Jun，并展开月份复选列表。边界框覆盖卡片及向下展开的完整弹窗。正点分布在卡面、标签、下拉字段、月份条目、复选框和滚动条上；负点位于鼠标光标、其他筛选卡及右侧外部背景，排除这些非目标内容。"}},{"name":"Damage Status filter","description":"Third teal filter card in the left column, labeled \"Damage Status\", showing \"All\" in its white dropdown.","membership":"Includes the rounded card, its label, and dropdown field with value and arrow. Excludes external visual-header controls, cursor, and editing indicators.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":2.5,"evidence":"目标是左侧第三张青绿色圆角筛选卡，标签为“Damage Status”，白色下拉框显示“All”。首帧0.00秒已完整呈现，末帧14.75秒仍在原位置；期间下拉列表有短暂遮挡，页面切换后该筛选卡仍持续保留。区间两端均到达视频边界，没有更早或更晚的采样帧。选择2.50秒作为关键帧，卡片、标签和下拉框清晰完整，无遮挡。","start_frame":0,"end_frame":360,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[26.4,408,181.6,523.4],"positive_points":[[35.2,425.3],[72.3,434],[46.4,469.6],[160.6,470.5],[91.8,501.7],[171.9,421.9]],"negative_points":[[100,332],[90,570],[190,460],[144,526]],"evidence":"目标是左列第三张标有“Damage Status”的青色筛选卡，白色下拉框显示“All”。边界框紧贴圆角卡片外缘；正点分布在卡片底色、标签、下拉值及箭头上。负点位于相邻筛选卡、右侧外部背景和底部外置视觉标头控件上，不包含编辑指示器。"}},{"name":"Item Category filter","description":"Fourth teal filter card in the left column. It initially displays \"FMCG\" and is cleared to \"All\" using its clear-selection control.","membership":"Includes the card surface and boundary, label, dropdown, and intrinsic clear-selection control. Excludes the overlapping popup belonging to the Storage Type filter, tooltips, cursor, resize handles, and floating editing controls.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":7.5,"evidence":"目标是左侧第四张标有“Item Category”的青色筛选卡，初始值为“FMCG”，2.00秒变为“All”。卡片在页面切换前后保持相同位置和筛选角色；Storage Type及月份下拉弹层造成的暂时遮挡不改变其身份。首个合格帧为0.00秒，最后为14.75秒，视频两端均无更外侧采样帧。选择7.50秒作为关键帧，此时卡片完整清晰，无弹层、光标或编辑边框遮挡。","start_frame":0,"end_frame":360,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[27.3,544.3,182.6,659.7],"positive_points":[[45,569],[93,571],[63,606],[163,607],[145,642],[36,632]],"negative_points":[[99,466],[103,744],[191,602],[19,589]],"evidence":"目标是左侧第四张标有“Item Category”的青色筛选卡，当前下拉框显示“All”。边界框紧贴整张卡片，包含标签、下拉框和卡片表面。正点分布在标签、下拉框及青色表面；负点位于上下相邻筛选卡和卡片外侧背景，未包含浮动编辑控件。"}},{"name":"Warehouse Name filter","description":"Fifth teal filter card in the left column, labeled \"Warehouse Name\", with its dropdown displaying \"All\".","membership":"Includes the rounded teal card, label, and white dropdown with its value and arrow. Excludes overlying popups from other filters and external editing controls.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":9.25,"reference_s":2.5,"evidence":"目标是左侧第五张标有“Warehouse Name”的圆角青色筛选卡，含显示“All”的白色下拉框。首个合格帧为0秒，最后为9.00秒；中途被其他筛选器弹窗短暂遮挡，前后可确认仍是同一卡片。9.25秒切换页面时，其标签和下拉框开始变淡，故结束此段。视频起点之前没有采样帧。选择2.50秒作为关键帧，目标完整清晰且无弹窗遮挡。","start_frame":0,"end_frame":222,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[26.4,686.6,181.2,802.1],"positive_points":[[37,701],[111,711],[53,750],[161,750],[46,784],[169,776]],"negative_points":[[99,638],[91,854],[144,811],[190,740]],"evidence":"目标是左侧第五张标有“Warehouse Name”、下拉值为“All”的青绿色筛选卡。边框紧贴卡片可见外缘，涵盖标签及白色下拉框；正点分布在卡片底色、标签和下拉框上，负点位于上下相邻筛选卡、下方外部编辑控件及右侧背景，不包含外部控件。"}},{"name":"Storage Type filter","description":"Bottom teal filter card in the left column. Its upward-opening list offers \"Bin Storage\", \"Bulk Storage\", \"Cold Storage\", and \"Pallet Rack\"; the demonstration selects storage types and then clears the selection.","membership":"Includes the card surface and boundary, label, dropdown field, intrinsic clear-selection control, and expanded checkbox-list popup when present. Excludes other filter cards behind the popup, cursor, tooltips, resize handles, and floating editing controls.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":9.25,"reference_s":5.75,"evidence":"目标是左栏最底部的青绿色“Storage Type”筛选卡；展开列表包含 Bin Storage、Bulk Storage、Cold Storage 和 Pallet Rack，并显示选择及清除操作。首个合格帧为0.00秒，最后为9.00秒；9.25秒切换分析页面时，该卡文字和控件已进入淡化状态，故结束此次连续出现。起点之前没有视频帧。选择5.75秒作为关键帧，此时卡片边界、标签及 Cold Storage 下拉字段清晰，列表已收起，遮挡较少。","start_frame":0,"end_frame":222,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[26.4,830,181.2,944.4],"positive_points":[[44,853],[91,892],[162,891],[38,928],[169,923],[137,854]],"negative_points":[[85,747],[143,810],[133,934],[190,874]],"evidence":"目标是左栏底部标有“Storage Type”的青色筛选卡，下拉框当前显示“Cold Storage”，未展开列表。边框覆盖整张卡片、标签和下拉字段。正点分布于标签、字段和卡片表面；负点位于上方其他筛选卡、浮动编辑控件、鼠标指针及右侧外部背景，均不属于目标。"}},{"name":"Available Stock by Item Category treemap","description":"Large upper-center white rounded chart panel on the Item Category Analysis page. It begins as one teal FMCG rectangle labeled 156, then displays differently sized rectangles for FMCG, Pharmaceuticals, Automotive, Electronics, and Apparel as filters change.","membership":"Includes the complete white chart panel and rounded boundary, chart title, treemap rectangles, category labels, and numeric values. Excludes external visual-header buttons, selection outlines, and overlapping filter controls or tooltips.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":9.25,"reference_s":7.5,"evidence":"目标是 Item Category Analysis 页面上方中央的白色圆角图表面板，标题为 Available Stock by Item Category，内部树图随筛选变化。首个合格帧为0秒，面板已完整呈现；视频起点之前无帧。最后合格帧为9.00秒，9.25秒已切换为 Storage Type Analysis 页的 Storage Utilization % by Storage Type 面板，原目标被替换。选择7.50秒作为关键帧，五个类别矩形、标签、数值及完整面板边界清晰，且无重叠筛选菜单或提示框。","start_frame":0,"end_frame":222,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[193.4,131.1,720.2,545.1],"positive_points":[[471,147],[284,243],[294,426],[516,246],[517,429],[660,339]],"negative_points":[[104,466],[856,294],[457,653],[487,74]],"evidence":"目标是上方中央标题为“Available Stock by Item Category”的白色圆角树状图面板。边界框覆盖完整面板、标题、五个分类矩形及其标签和数值。六个正点分布在标题和五个矩形内；负点位于左侧筛选器、右侧交易图、下方发货图及顶部导航，均在目标面板之外。"}},{"name":"Total Transaction by Item Category bar chart","description":"Tall white rounded panel on the right of the Item Category Analysis page. Horizontal teal bars show transaction counts, initially only FMCG with 96 and later multiple item categories.","membership":"Includes the panel surface and boundary, title, horizontal bars, category labels, and values. Excludes surrounding dashboard background and interaction overlays.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":9.25,"reference_s":2.5,"evidence":"目标是 Item Category Analysis 页面右侧的白色圆角高面板，标题为“Total Transaction by Item Category”，内含青色横条、类别及数值。首个合格帧为0秒，末个为9秒；期间从单个FMCG条形变为多个类别，仍是同一图表。视频起点前无采样帧；9.25秒切换为 Storage Type Analysis，右侧已替换为按存储类型统计的面板。选择2.5秒作为关键帧，目标完整清晰，五个类别及数值均可见且无遮挡。","start_frame":0,"end_frame":222,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[728,133,985,964],"positive_points":[[833,163],[883,295],[866,430],[874,565],[865,694],[859,830]],"negative_points":[[700,300],[690,760],[800,70],[992,530]],"evidence":"目标是右侧标题为“Total Transaction by Item Category”的白色圆角柱状图面板。边界框覆盖完整面板及其标题、五条横向柱、类别标签和数值。正点分布在标题和各条柱上；负点位于左侧其他图表、上方导航和右侧面板外背景。"}},{"name":"Units Dispatched by Item Category chart","description":"Wide lower-center white rounded panel on the Item Category Analysis page. It initially shows a single FMCG dot labeled 106, then a teal line with markers and a pale filled area across item categories.","membership":"Includes the entire chart panel and rounded boundary, title, plotted line, markers, filled area, category labels, and numeric labels. Excludes floating filter-editing controls and other interaction overlays.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":9.25,"reference_s":7.5,"evidence":"目标是 Item Category Analysis 页面下方中央的白色圆角图表面板，标题为“Units Dispatched by Item Category”，包含最初标注106的FMCG单点及随后出现的折线、标记和浅色填充区域。首个合格帧为0.00秒，视频起点之前无采样帧；最后合格帧为9.00秒。紧邻的9.25秒已切换至 Storage Type Analysis，原图表被“Available Stock by Storage Type”面板替代。选择7.50秒作为关键帧，因为完整边界、标题、曲线及各项标签清晰，且无交互浮层遮挡目标。","start_frame":0,"end_frame":222,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[196.3,560,720.2,964.4],"positive_points":[[453,583],[246,645],[358,841],[562,787],[667,929],[684,663]],"negative_points":[[596,444],[865,694],[105,866],[202,923]],"evidence":"目标是下方中央标题为“Units Dispatched by Item Category”的白色圆角图表。边界框覆盖完整面板、标题、折线与标记、浅色填充区域及各类标签。正点分布在标题、曲线、填充区、类别标签和面板表面；负点位于上方图表、右侧图表、左侧筛选器及明确排除的浮动编辑控件上。"}},{"name":"Storage Type Analysis title","description":"Large white upper-left heading replacing the initial page heading when the storage-focused dashboard is opened.","membership":"Includes only the complete text \"Storage Type Analysis\". Excludes the logo, header background, navigation row, and overlays.","id":"obj_012","temporal":{"status":"found","start_s":9.25,"end_s":15.0,"reference_s":9.5,"evidence":"目标为页眉左上方完整的白色文字“Storage Type Analysis”，不含标志及导航。9.25秒首次完整显示，前一帧9.00秒仍为“Item Category Analysis”；此后持续存在，最后合格帧为14.75秒，区间延伸至视频结束15.00秒，无后续帧。选择9.50秒作为关键帧，标题清晰完整且无遮挡。","start_frame":222,"end_frame":360,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[116.7,57.3,310.5,91.1],"positive_points":[[120.1,64.2],[137.2,68.6],[190.4,61.6],[214.4,69.4],[235.8,65.1],[306.2,79.0]],"negative_points":[[44.0,63.4],[379.4,67.7],[212.4,34.7],[210.0,106.8]],"evidence":"目标是左上方的大号白色标题“Storage Type Analysis”，不是导航栏中的同名标签。边界框仅覆盖完整标题文字；六个正点分布在三个单词的字形笔画上，负点位于左侧标志、右侧导航及标题外的页眉背景。"}},{"name":"Storage Utilization % by Storage Type treemap","description":"Upper-center white rounded chart panel on the Storage Type Analysis page. Four teal-toned rectangles represent Bulk Storage, Pallet Rack, Bin Storage, and Cold Storage, with percentage labels that update under month filtering.","membership":"Includes the white panel surface and rounded boundary, title, four treemap regions, storage-type labels, and percentage values. Excludes external visual-header buttons, selection outlines, and overlapping tooltips or filter popups.","id":"obj_013","temporal":{"status":"found","start_s":9.5,"end_s":15.0,"reference_s":9.5,"evidence":"目标是 Storage Type Analysis 页上方中央的白色圆角树状图面板，标题为“Storage Utilization % by Storage Type”，内含四个青绿色存储类型区域及百分比。首个完整呈现帧为9.50秒；前一帧9.25秒仍在页面切换加载中，仅见空白面板和标题。末个符合帧为14.75秒，月份筛选虽改变数值和区域排列，面板持续存在。区间延续至视频结束15.00秒，无后续帧。选择9.50秒作为关键帧，四个区域、标签和边界清晰，无遮挡。","start_frame":228,"end_frame":360,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[193.4,131.9,719.7,545.1],"positive_points":[[300,260],[570,260],[320,435],[570,442],[451,152],[685,533]],"negative_points":[[105,327],[862,322],[465,738],[485,68]],"evidence":"目标是上方中央标题为“Storage Utilization % by Storage Type”的白色圆角树图面板。边界框覆盖面板、标题、四个青色矩形及其名称和百分比。正点分布在标题、四个树图区域和底部白色面板表面；负点位于左侧筛选器、右侧交易图、下方库存图及顶部导航，均在目标之外。"}},{"name":"Total Transaction by Storage Type bar chart","description":"Tall right-hand white rounded panel on the Storage Type Analysis page. Four horizontal teal bars compare transaction counts for the storage types and change order and length as months are selected.","membership":"Includes the full panel surface and rounded boundary, title, bars, storage-type labels, and count labels. Excludes surrounding dashboard background and interaction overlays.","id":"obj_014","temporal":{"status":"found","start_s":9.25,"end_s":15.0,"reference_s":9.5,"evidence":"目标是 Storage Type Analysis 页右侧标题为“Total Transaction by Storage Type”的白色圆角面板。9.25秒面板表面、边界和标题已完整建立，随后四条青色横条及标签加载；内部数据变化不影响面板连续性。前一帧9.00秒仍是按物品类别统计的图表。最后合格帧为14.75秒，目标仍在，视频于15.00秒结束，无后续帧。选择9.50秒作为关键帧，因为四条横条、存储类型标签和计数均完整清晰，且无遮挡。","start_frame":222,"end_frame":360,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[728,133,985,964],"positive_points":[[856,162],[873,316],[853,482],[852,643],[854,801],[954,916]],"negative_points":[[683,760],[673,435],[846,70],[994,602]],"evidence":"目标是右侧标题为���Total Transaction by Storage Type”的白色圆角面板。框覆盖整个面板及其标题、四条横向青色柱、存储类型和数量标签。正点分布在标题、四条柱和面板下部表面；负点位于左侧其他图表、顶部导航和右侧面板外背景。"}},{"name":"Available Stock by Storage Type column chart","description":"Lower-center white rounded panel on the Storage Type Analysis page. Four vertical teal columns show available stock for the storage types, with category names below and values above; the columns update during month selection.","membership":"Includes the complete panel surface and rounded boundary, title, columns, category labels, and numeric values. Excludes overlapping filter popups, floating editing controls, and cursor.","id":"obj_015","temporal":{"status":"found","start_s":9.5,"end_s":15.0,"reference_s":9.5,"evidence":"目标为 Storage Type Analysis 页下方中央的白色圆角图表面板，标题为 Available Stock by Storage Type，含四根青色竖柱、类别标签和数值。首个完整呈现帧为9.50秒；前一帧9.25秒仍在页面切换中，仅有空白面板和标题，柱形及标签尚未出现。此后月份选择使数据更新，但同一图表持续存在，最后合格帧为14.75秒，故结束时间为15.00秒；视频结束后无采样帧。选择9.50秒作为关键帧，图表完整清晰且无遮挡。","start_frame":228,"end_frame":360,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[196,560,720,965],"positive_points":[[459,583],[290,759],[400,790],[510,805],[622,824],[690,922]],"negative_points":[[450,466],[852,653],[106,747],[461,982]],"evidence":"目标是下方中央标题为“Available Stock by Storage Type”的白色圆角面板。边框覆盖完整面板、标题、四根青色柱、数值及类别标签。正点分布在标题、各柱和面板空白表面；负点位于上方图表、右侧图表、左侧筛选器及面板下方背景。"}}]}
+{"video_id":210,"video_type":"data and scientific visualization","targets":[{"name":"Solar Monitor sidebar","description":"Persistent dark left sidebar headed “Solar Monitor” and “Energy Management,” containing three page links, Quick Stats, and a System Online indicator. The selected page changes during the demonstration.","membership":"Includes the sidebar surface, boundary, branding, navigation rows, quick-stat rows, and bottom status strip. Excludes the main page content and browser chrome.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":11,"evidence":"目标是左侧持续显示的深色 Solar Monitor 侧栏，包含 Energy Management 品牌副标题、三个导航项、Quick Stats 和底部 System Online 状态条。首个合格帧为 0.00 秒，最后为 15.75 秒；整个采样序列中侧栏结构完整，主页面及导航选中项变化不影响其连续身份。区间覆盖视频首尾，两端均无额外相邻帧。选择 11.00 秒作为关键帧，侧栏完整清晰，边界明确，且鼠标未遮挡侧栏内容。","start_frame":0,"end_frame":384,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[3.5,95.8,214.3,943.8],"positive_points":[[90,145],[108,252],[105,443],[121,532],[114,718],[78,911]],"negative_points":[[419,70],[394,303],[747,541],[162,972]],"evidence":"目标是左侧以“Solar Monitor / Energy Management”为标题的深色侧栏。边界框覆盖品牌区、三个导航项、Quick Stats、底部在线状态及侧栏表面；正点分布于这些区域，负点位于浏览器栏、右侧主内容和底部任务栏，均不属于侧栏。"}},{"name":"Advanced Analytics header — initial appearance","description":"Rounded header initially above the analytics cards, with “Advanced Analytics,” a subtitle, a “Last 7 Days” selector, and an “Export Report” button.","membership":"Includes the complete header panel, its boundary, title, subtitle, icon, selector, and export button. Excludes the metric cards below.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"通过圆角面板内的“Advanced Analytics”标题、副标题、图标、“Last 7 Days”选择器和“Export Report”按钮识别目标。初次出现中，首个及最后一个完整合格帧均为0.00秒；0.25秒时页面向上滚动，标题栏顶部已被视口裁切，因此结束该段。目标在视频起点已完整建立，无更早采样帧。选择0.00秒作为关键帧，面板边界及全部指定成员清晰完整。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[225,117,974,261],"positive_points":[[253,171],[352,173],[365,214],[590,158],[782,190],[900,191]],"negative_points":[[319,357],[504,371],[693,366],[111,346]],"evidence":"目标是指标卡片上方的圆角页眉，包含“Advanced Analytics”标题、副标题、图标、“Last 7 Days”选择器和“Export Report”按钮。边界框覆盖完整页眉面板及边界；正点分布于标题、图标、副标题、面板表面及两个控件，负���位于下方指标卡片和左侧导航项，均不属于目标。"}},{"name":"Performance Score card — initial appearance","description":"Leftmost analytics metric card, initially showing “81.6/100” with a purple target icon and a red comparison line.","membership":"Includes the rounded card surface and boundary, label, value, comparison text, and icon.","id":"obj_003","temporal":{"status":"found","start_s":0.0,"end_s":0.75,"reference_s":0.0,"evidence":"目标是分析页最左侧的 Performance Score 圆角指标卡，显示 81.6/100、紫色靶心图标及红色比较文字。首个合格帧为 0.00 秒，最后合格帧为 0.50 秒，卡片均完整可见；紧邻的 0.75 秒帧中，卡片已随页面滚动移出可视区域。区间始于视频开头，无更早采样帧。选择 0.00 秒为关键帧，卡片边界清楚、内容完整且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[225,292,404,469],"positive_points":[[280,339],[266,383],[368,357],[287,425],[241,446],[384,439]],"negative_points":[[464,379],[469,223],[174,374],[401,550]],"evidence":"目标是指标区最左侧的 Performance Score 卡片，显示“81.6/100”、紫色靶心图标及红色比较文字。边界框紧贴整张圆角卡片，包含表面、边界和内部内容。正点分布在标签、数值、图标、比较文字及卡片表面；负点位于右侧指标卡、上方标题面板、左侧导航和下方图表。"}},{"name":"System Efficiency card — initial appearance","description":"Second analytics metric card, initially showing “89.0%” with a green waveform icon.","membership":"Includes the rounded card surface and boundary, label, value, comparison text, and icon.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是分析页第二张指标卡，含“System Efficiency”、89.0%、绿色波形图标及比较文字。首个合格帧为0.00秒，最后为0.50秒，卡片表面与边界均完整可见；0.75秒时页面向下滚动，该卡已移出可视区域。视频起点之前无采样帧。选择0.00秒作为关键帧，卡片完整清晰、无遮挡，且便于与相邻指标卡区分。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[416,292,595,467],"positive_points":[[456,338],[451,384],[471,426],[559,354],[578,440],[429,311]],"negative_points":[[375,379],[656,379],[509,244],[509,521]],"evidence":"目标是顶部指标区第二张卡片，显示“System Efficiency”“89.0%”及绿色波形图标。边界框覆盖完整圆角卡片及其文字、图标和表面；正点分布于这些内容及卡片内部，负点位于左右相邻卡片、上方标题区和下方图表区。"}},{"name":"Self Consumption card — initial appearance","description":"Third analytics metric card, initially showing “67.9%” with a blue circular-chart icon.","membership":"Includes the rounded card surface and boundary, label, value, comparison text, and icon.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是分析页第三张指标卡，包含“Self Consumption”、67.9%、比较文字及蓝色圆形图表图标。首个合格帧为0.00秒，最后合格帧为0.50秒，卡片表面、边界和内容均完整可见；0.75秒时页面向下滚动，该卡已离开可视区域。视频起点之前没有采样帧。选择0.00秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[607,292,785,468],"positive_points":[[661,338],[650,384],[660,425],[747,355],[718,392],[766,446]],"negative_points":[[560,377],[851,381],[685,264],[693,485]],"evidence":"目标是顶部指标行第三张“Self Consumption”卡片，显示67.9%并带蓝色圆形图表图标。边界框覆盖完整圆角卡片及其文字、数值、比较信息和图标；正点分布在这些内容与卡片表面，负点位于左右相邻卡片及目标上下的外部区域。"}},{"name":"Carbon Reduced card — initial appearance","description":"Rightmost analytics metric card, initially showing “213 kg” with a green leaf icon.","membership":"Includes the rounded card surface and boundary, label, value, comparison text, and icon.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是分析页最右侧的“Carbon Reduced”圆角指标卡，包含“213 kg”、比较文字和绿色叶子图标。首个合格帧为0.00秒，最后合格帧为0.50秒，卡片均完整可见；0.75秒时已随页面滚动移出视野。区间起点即视频开头，没有更早采样帧。选择0.00秒为关键帧，因为卡片边界及全部内容清晰、无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[795,292,975,469],"positive_points":[[845,338],[830,383],[938,357],[852,426],[955,444],[809,311]],"negative_points":[[690,382],[880,190],[886,559],[112,350]],"evidence":"目标是顶部指标行最右侧的“Carbon Reduced”卡片，显示“213 kg”及绿色叶子图标。边界框紧贴完整圆角卡片，包含表面、标签、数值、比较文字和图标。正点分布于这些内容及卡片表面；负点位于相邻指标卡、上方工具栏、下方图表和左侧导航区域。"}},{"name":"Performance Trends panel — initial appearance","description":"Left analytics chart below the metric row, combining yellow daily columns and a green point-marked line. Scrolling reveals its Monday-to-Sunday axis.","membership":"Includes the complete rounded chart panel, heading, icons, plot, grid, axes, labels, and plotted series. Its extent follows the panel as it scrolls.","id":"obj_007","temporal":{"status":"found","start_s":0.5,"end_s":0.75,"reference_s":0.5,"evidence":"目标是左侧“Performance Trends”圆角面板，包含黄色每日柱、绿色带点折线及周一至周日横轴。首个及最后一个完整合格帧均为0.50秒，面板边界、标题、图标和图表完整可见。前一帧0.25秒面板底部仍被视口裁切；后一帧0.75秒继续滚动，面板顶部和标题已被裁切。选择0.50秒作为关键帧，因为整个目标清晰完整。","start_frame":12,"end_frame":18,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[225,327,591,858],"positive_points":[[343,381],[311,661],[430,464],[563,549],[510,794],[257,836]],"negative_points":[[311,219],[791,586],[115,500],[407,914]],"evidence":"目标是指标卡下方左侧的“Performance Trends”圆角面板，包含黄色每日柱形、绿色带点折线及周一至周日横轴。边界框覆盖完整面板、标题、图标、绘图区和标签；正点分布于标题、曲线、柱形、标签及面板表面，负点位于上方指标卡、右侧饼图、左侧导航和下方其他面板。"}},{"name":"Energy Distribution panel — initial appearance","description":"Right analytics chart with a four-color pie, “This Week” badge, and categories including Battery Discharge, Grid Import, Solar Direct, and Solar to Battery.","membership":"Includes the complete rounded panel, heading, badge, pie and its enclosed sectors, category labels, and legend. Excludes neighboring panels.","id":"obj_008","temporal":{"status":"found","start_s":0.5,"end_s":0.75,"reference_s":0.5,"evidence":"目标为右侧带“Energy Distribution”标题、“This Week”徽标、四色饼图及分类图例的圆角面板。首次和最后完整符合条件的采样帧均为0.50秒；前一帧0.25秒面板底部仍被视口裁切，后一帧0.75秒面板顶部及标题已随滚动被裁切。选择0.50秒为关键帧，因为面板边界、标题、饼图和图例均完整可见。","start_frame":12,"end_frame":18,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[609,327,975,858],"positive_points":[[708,381],[928,380],[800,535],[749,643],[787,797],[945,829]],"negative_points":[[549,625],[845,210],[808,914],[115,417]],"evidence":"目标是右侧标题为“Energy Distribution”的圆角图表面板，含“This Week”徽章、四色饼图、类别文字及图例。边界框覆盖整个面板；正点分布于标题、徽章、饼图扇区、图例和面板底部表面，负点位于左侧趋势面板、上方指标卡、下方相邻面板及侧栏。"}},{"name":"Efficiency Analysis panel — initial appearance","description":"Lower-left analytics chart revealed by scrolling, with a green filled area and a blue point-marked line over Monday through Sunday.","membership":"Includes the rounded panel surface and boundary, heading, icons, axes, grid, labels, green area, and blue line.","id":"obj_009","temporal":{"status":"found","start_s":1.0,"end_s":3.75,"reference_s":1.5,"evidence":"目标是初次出现的左下方“Efficiency Analysis”圆角面板，含绿色面积图、蓝色带点折线及周一至周日坐标标签。首个完整帧为1.00秒，前一帧0.75秒面板下部仍被画面边界裁切；最后符合帧为3.50秒，下一帧3.75秒已切换到Energy Dashboard，目标消失。选择1.50秒作为关键帧，面板边界、标题和图表均完整清晰，无遮挡。","start_frame":24,"end_frame":90,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[225,119,593,650],"positive_points":[[350,175],[252,415],[341,317],[521,440],[336,588],[563,619]],"negative_points":[[141,344],[796,406],[336,767],[474,71]],"evidence":"目标是左侧标题为“Efficiency Analysis”的圆角图表面板，包含周一至周日标签、绿色填充区域和蓝色带点折线。框覆盖完整面板及其边界；正点分布于标题、图表、坐标标签和面板表面，负点位于左侧导航、右侧健康评分面板、下方卡片及浏览器栏。"}},{"name":"System Health Score panel — initial appearance","description":"Lower-right analytics panel containing a purple filled radar chart with axes for Inverter, Battery, Solar Panels, Monitoring, Grid Connection, and Load Management.","membership":"Includes the complete rounded panel, heading, icons, radar grid, filled polygon, axis labels, and Health Score legend.","id":"obj_010","temporal":{"status":"found","start_s":1.0,"end_s":3.75,"reference_s":1.5,"evidence":"目标为右下方“System Health Score”圆角面板，包含紫色填充雷达图、六个轴标签及“Health Score”图例。首个完整可见帧为1.00秒，最后一个符合条件的帧为3.50秒；此前0.75秒面板下部仍被画面边界裁切，此后3.75秒切换为Energy Dashboard，目标消失。选择1.50秒作为关键帧，面板边界、标题和图表均完整清晰，无遮挡。","start_frame":24,"end_frame":90,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[609,119,974,650],"positive_points":[[710,174],[935,239],[791,408],[664,349],[872,495],[791,595]],"negative_points":[[542,414],[656,786],[883,786],[986,389]],"evidence":"通过“System Health Score”标题、紫色填充雷达图及六个轴标签确认目标。边界框覆盖完整圆角面板，包括标题、图标、图表、标签和图例。正点分布在标题、面板表面、雷达图及标签图例处；负点位于左侧效率面板、下方两个面板及右侧外部区域。"}},{"name":"Solar Performance summary — initial appearance","description":"Bottom-left analytics summary card showing Peak Efficiency, Avg Daily Generation, and Capacity Utilization.","membership":"Includes the whole rounded summary card, title and icon, all three metric rows, values, and change indicators.","id":"obj_011","temporal":{"status":"found","start_s":1.5,"end_s":3.75,"reference_s":2.0,"evidence":"目标是分析页左下方的“Solar Performance”圆角摘要卡，包含标题、图标及 Peak Efficiency、Avg Daily Generation、Capacity Utilization 三行指标。首个完整呈现帧为1.50秒，最后合格帧为3.50秒；此前1.25秒卡片底部及部分指标仍被画面边界裁切，此后3.75秒已切换到 Energy Dashboard，目标消失。选择2.00秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":36,"end_frame":90,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[224.8,679.2,463.7,922.9],"positive_points":[[269.3,729.2],[386.4,781.3],[304.4,827.1],[388.8,875],[245.9,891.7],[436.8,716.7]],"negative_points":[[526.9,791.7],[351.3,604.2],[163.9,770.8],[819.7,833.3]],"evidence":"目标是底部左侧标题为“Solar Performance”的圆角摘要卡，包含 Peak Efficiency、Avg Daily Generation 和 Capacity Utilization 三行指标。边界框覆盖整张卡片，包括标题图标、数值及变化指标；正点分布在标题、指标行和卡片表面，负点位于上方图表、左侧栏及右侧其他摘要卡内。"}},{"name":"Battery Analytics summary — initial appearance","description":"Bottom-center analytics summary card showing Cycle Efficiency, Avg Depth of Discharge, and Health Score.","membership":"Includes the whole rounded summary card, title and icon, metric rows, values, and status or change text.","id":"obj_012","temporal":{"status":"found","start_s":1.5,"end_s":3.75,"reference_s":2.0,"evidence":"目标是底部中央的“Battery Analytics”圆角摘要卡，含图标、Cycle Efficiency、Avg Depth of Discharge 和 Health Score 三行指标及数值、状态文字。首个完整呈现帧为1.50秒，最后合格帧为3.50秒；前一帧1.25秒中卡片底部仍被视口裁切，后一帧3.75秒已切换到 Energy Dashboard，目标消失。选择2.00秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":36,"end_frame":90,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[480.1,679.2,719,922.9],"positive_points":[[504.7,725],[626.5,733.3],[525.8,781.3],[675.6,785.4],[562.1,829.2],[652.2,881.3]],"negative_points":[[413.3,783.3],[789.2,789.6],[591.3,610.4],[504.7,977.1]],"evidence":"目标是底部中央标题为“Battery Analytics”的圆角摘要卡，包含 Cycle Efficiency、Avg Depth of Discharge 和 Health Score 三行指标。边界框覆盖整张卡片及其标题、图标、数值和状态文字；六个正点分布在卡片内部各区域，四个负点位于左右相邻卡片、上方图表及底部任务栏。"}},{"name":"Financial Impact summary — initial appearance","description":"Bottom-right analytics summary card showing Total Savings, ROI to Date, and Payback Period.","membership":"Includes the whole rounded summary card, title and icon, metric rows, values, and change indicators.","id":"obj_013","temporal":{"status":"found","start_s":1.5,"end_s":3.75,"reference_s":2.0,"evidence":"目标是高级分析页面右下角的“Financial Impact”圆角摘要卡，包含 Total Savings、ROI to Date 和 Payback Period 三行指标。首次完整可见于1.50秒，最后一个符合条件的帧为3.50秒；前一帧1.25秒卡片底部仍被视口裁切，后一帧3.75秒已切换到 Energy Dashboard，目标消失。选择2.00秒作为关键帧，卡片边界、标题和全部指标清晰完整，无遮挡。","start_frame":36,"end_frame":90,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[736.5,679.2,974.2,922.9],"positive_points":[[765,728],[848,729],[787,781],[924,781],[816,830],[909,875]],"negative_points":[[689,801],[854,628],[861,971],[494,780]],"evidence":"目标是右下角标题为“Financial Impact”的摘要卡，包含 Total Savings、ROI to Date 和 Payback Period 三行。边界框紧贴整张圆角卡片，覆盖背景、标题图标、指标数值及变化标记；正点分布于标题和各指标区域，负点位于左侧其他卡片、上方系统健康面板及底部任务栏。"}},{"name":"Energy Flow Analysis panel","description":"Dashboard chart first seen partially above the daily summaries, then more fully when the page scrolls upward. It shows a blue consumption trace, yellow solar-generation line, green net-energy mark, and a LIVE badge.","membership":"Includes the complete rounded chart panel, heading, badge, plot, axes, grid, series, and legend, retaining the same extent through scrolling and data animation.","id":"obj_014","temporal":{"status":"found","start_s":5.0,"end_s":5.25,"reference_s":5.0,"evidence":"通过“Energy Flow Analysis”标题、LIVE 标记及蓝色消耗曲线、黄色太阳能线和绿色净能量标记识别目标。首个及最后一个合格帧均为5.00秒，完整圆角面板、标题、绘图区和底部图例均可见。前一帧4.75秒的面板顶部及标题仍被视口上缘裁切；后一帧5.25秒的面板底部已被视口下缘裁切。选择5.00秒作为关键帧，因为目标完整清晰且无遮挡。","start_frame":120,"end_frame":126,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[225,379,591,896],"positive_points":[[332,432],[555,430],[311,532],[481,629],[565,678],[405,839]],"negative_points":[[742,621],[108,655],[501,224],[480,928]],"evidence":"目标是左侧标题为“Energy Flow Analysis”的圆角图表面板，具有 LIVE 徽章、蓝色消耗曲线、黄色水平线和绿色净能量标记。边界框覆盖完整面板及标题、绘图区、坐标轴和底部图例。正点分布在标题、徽章、图表及图例区域；负点位于右侧图表、左侧栏、上方指标卡和面板下方区域。"}},{"name":"Battery & Grid Activity panel","description":"Dashboard chart to the right of Energy Flow Analysis, with a fluctuating green battery trace and a purple grid trace near zero.","membership":"Includes the complete rounded chart panel, heading, Battery and Grid legend, axes, grid, labels, and both traces.","id":"obj_015","temporal":{"status":"found","start_s":5.0,"end_s":5.25,"reference_s":5.0,"evidence":"目标是 Energy Flow Analysis 右侧的 Battery & Grid Activity 圆角面板，包含标题、Battery/Grid 图例、坐标网格、绿色电池曲线及零值附近的紫色电网曲线。首个和最后一个合格采样帧均为 5.00 秒，面板及其内容完整可见；前一帧 4.75 秒的面板顶部和标题被视口裁切，后一帧 5.25 秒的面板底部被裁切。因此选择完整清晰的 5.00 秒帧作为关键帧。","start_frame":120,"end_frame":126,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[608,379,975,896],"positive_points":[[716,431],[915,430],[778,517],[668,643],[877,731],[791,863]],"negative_points":[[545,620],[718,304],[990,605],[802,934]],"evidence":"目标是 Energy Flow Analysis 右侧标题为“Battery & Grid Activity”的圆角图表面板，含绿色电池曲线与零值附近的紫色电网曲线。边界框覆盖整个面板及其标题、图例、坐标轴、网格和曲线；正点分布在标题、图例、绘图区及面板下部，负点位于左侧图表、上方状态卡、右侧滚动条和下方其他区域。"}},{"name":"Daily Generation card — first dashboard appearance","description":"Leftmost small dashboard summary card, showing “0.0 kWh,” a yellow weather icon, and a comparison with yesterday.","membership":"Includes the rounded card surface and boundary, label, value, comparison text, and icon.","id":"obj_016","temporal":{"status":"found","start_s":3.75,"end_s":5.0,"reference_s":4.25,"evidence":"目标是仪表盘摘要行最左侧的圆角卡片，含“Daily Generation”“0.0 kWh”、黄色天气图标及与昨日比较的文字。首个合格帧为3.75秒，最后合格帧为4.75秒；此前3.50秒仍是高级分析页面，之后5.00秒卡片随滚动移出视口并被底部裁切。4.25秒卡片完整清晰、无遮挡，适合作为空间标注关键帧。","start_frame":90,"end_frame":120,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[225,375,404,509],"positive_points":[[249,406],[271,442],[293,478],[380,443],[350,396],[365,492]],"negative_points":[[456,442],[204,439],[310,352],[329,560]],"evidence":"目标是仪表盘左侧第一张小型汇总卡，显示“Daily Generation”“0.0 kWh”、昨日对比文字及黄色天气图标。边界框紧贴完整圆角卡片；正点分布在文字、图标和卡片表面，负点位于相邻卡片、左侧背景、上方间隔及下方面板。"}},{"name":"Daily Consumption card — first dashboard appearance","description":"Second small dashboard summary card, showing “0.0 kWh,” a blue house icon, and a red comparison line.","membership":"Includes the rounded card surface and boundary, label, value, comparison text, and icon.","id":"obj_017","temporal":{"status":"found","start_s":3.75,"end_s":5.0,"reference_s":4.25,"evidence":"目标是仪表盘摘要行中第二张 Daily Consumption 卡片，包含“0.0 kWh”、蓝色房屋图标及红色比较文字。首个完整呈现帧为3.75秒，最后合格帧为4.75秒；此前3.50秒仍为高级分析页面，之后5.00秒卡片随滚动移至视口底部并被裁切。选择4.25秒作为关键帧，卡片边界和全部内容清晰、无遮挡。","start_frame":90,"end_frame":120,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[416,375,595,509],"positive_points":[[445,407],[474,440],[464,477],[570,441],[533,394],[550,489]],"negative_points":[[380,441],[642,439],[507,350],[513,552]],"evidence":"目标是摘要区第二张“Daily Consumption”卡片，含“0.0 kWh”、蓝色房屋图标及红色比较文字。框覆盖完整圆角卡片表面和边界；六个正点分布在标签、数值、比较文字、图标及卡片表面，四个负点位于左右相邻卡片和上下外部区域。"}},{"name":"Cost Savings Today card — first dashboard appearance","description":"Third small dashboard summary card, showing “PKR 0” in green and a dollar-sign icon.","membership":"Includes the rounded card surface and boundary, label, value, monthly estimate, and icon.","id":"obj_018","temporal":{"status":"found","start_s":3.75,"end_s":5.0,"reference_s":4.25,"evidence":"目标是仪表盘摘要行第三张圆角卡片，含“Cost Savings Today”、绿色“PKR 0”、月度估算和美元符号。首次完整出现于3.75秒，最后完整帧为4.75秒；前一帧3.50秒仍为高级分析页面，后一帧5.00秒卡片随滚动被视口下边界裁切。选择4.25秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":90,"end_frame":120,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[606.6,375,784.5,508.3],"positive_points":[[650,407],[642,441],[663,476],[760,439],[732,397],[731,490]],"negative_points":[[560,440],[833,441],[697,328],[690,551]],"evidence":"目标是摘要行第三张卡片，包含“Cost Savings Today”、绿色“PKR 0”和美元符号。边界框紧贴整张圆角卡片，覆盖表面、边界、文字、月度估算及图标。正点分布于卡片文字、图标与表面，负点位于左右相邻卡片及上下外部区域。"}},{"name":"CO₂ Saved card — first dashboard appearance","description":"Rightmost small dashboard summary card, showing “0.0 kg,” a green airflow icon, and “Carbon neutral.”","membership":"Includes the rounded card surface and boundary, label, value, status text, and icons.","id":"obj_019","temporal":{"status":"found","start_s":3.75,"end_s":5.0,"reference_s":4.25,"evidence":"目标是仪表盘摘要行最右侧的“CO₂ Saved”圆角卡片，包含“0.0 kg”、绿色气流图标及“Carbon neutral”。首次完整出现于3.75秒，最后完整可见于4.75秒；前一帧3.50秒仍为高级分析页面，后一帧5.00秒因页面滚动，卡片在画面下缘被裁切。选择4.25秒为关键帧，卡片边界和全部内容清晰且无遮挡。","start_frame":90,"end_frame":120,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[795,375,974,509],"positive_points":[[820,408],[834,442],[950,442],[855,478],[913,405],[936,490]],"negative_points":[[696,438],[875,308],[859,578],[626,548]],"evidence":"目标是仪表盘右侧显示“CO₂ Saved”“0.0 kg”和“Carbon neutral”的小型摘要卡。边界框紧贴完整圆角卡片，包含表面、文字及绿色气流图标。正点分布在标签、数值、状态、图标和卡片表面；负点位于左侧相邻卡片及上下其他图表区域。"}},{"name":"Energy Sources panel — first dashboard appearance","description":"Lower-left dashboard panel whose initially empty plotting area animates into a green pie chart before scrolling out of view.","membership":"Includes the rounded panel surface and boundary, heading and icon, and the entire animated chart and its labels as they appear.","id":"obj_020","temporal":{"status":"found","start_s":3.75,"end_s":4.75,"reference_s":4.5,"evidence":"目标是首次进入 Energy Dashboard 后左下方标题为“Energy Sources”的圆角面板。3.75 秒面板表面、边界、标题和图标已完整建立，内部图表从空白开始动画不影响面板起点；最后合格帧为 4.50 秒。前一帧 3.50 秒仍为 Advanced Analytics 页面，尚无该面板；后一帧 4.75 秒面板随滚动被画面底边裁切。选择 4.50 秒作为关键帧，面板完整无遮挡，且已出现绿色饼图，便于辨认。","start_frame":90,"end_frame":114,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[225,542,464,927],"positive_points":[[303,595],[254,677],[372,728],[440,646],[270,860],[432,892]],"negative_points":[[520,735],[311,447],[172,701],[354,973]],"evidence":"目标是仪表盘左下方标题为“Energy Sources”的圆角面板，内部显示正在形���的绿色饼图。框覆盖面板边界、表面、标题图标及图表；正点分布于标题、绿色图形和面板各处，负点位于右侧周性能面板、上方统计卡片、左侧栏及底部任务栏。"}},{"name":"Weekly Performance panel — first dashboard appearance","description":"Wide lower-right dashboard panel with paired yellow and blue columns for Saturday through Friday, animated into an initially empty chart.","membership":"Includes the complete rounded panel, heading and icon, plotting area, axes, grid, weekday labels, and both column series.","id":"obj_021","temporal":{"status":"found","start_s":3.75,"end_s":4.75,"reference_s":4.5,"evidence":"目标是仪表盘右下方的 Weekly Performance 圆角面板，含标题、图标、坐标网格及周六至周五的黄蓝双列。3.75 秒面板表面与边界已完整建立，内部柱状图随后加载不推迟面板起点；最后完整帧为 4.50 秒。前一帧 3.50 秒仍是高级分析页面，后一帧 4.75 秒面板因滚动而被画面底部裁切。选择 4.50 秒作为关键帧，此时完整面板和两组柱列清晰可见。","start_frame":90,"end_frame":114,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[480.1,541.7,975.4,927.1],"positive_points":[[580,594],[561,760],[704,743],[930,750],[815,899],[904,588]],"negative_points":[[355,717],[688,443],[987,730],[823,973]],"evidence":"目标为右下方标题为“Weekly Performance”的宽圆角面板，内有周六至周五的黄蓝成对柱状图。边界框覆盖完整面板、标题图标、绘图区、坐标轴、网格和星期标签。正点分布在标题、柱形及面板上下部；负点位于左侧能源面板、上方指标卡、右侧滚动条及底部任务栏。"}},{"name":"Solar Energy Monitor header","description":"Dashboard header revealed by scrolling upward, with an orange sun tile, “Solar Energy Monitor,” the real-time management subtitle, MQTT Broker information, Inverter Online status, and a clock.","membership":"Includes the full rounded header surface, boundary, title block, sun tile, broker information, inverter status, and clock. Excludes the sidebar branding.","id":"obj_022","temporal":{"status":"found","start_s":5.5,"end_s":5.75,"reference_s":5.5,"evidence":"通过橙色太阳图块、“Solar Energy Monitor”标题、实时管理副标题、MQTT Broker 信息、Inverter Online 状态及钟表识别目标，排除左侧品牌栏。首个和最后一个合格帧均为5.50秒，圆角标题面板及全部指定成员完整可见。前一帧5.25秒仍在向上滚动揭示，面板顶部被视口裁切；后一帧5.75秒已滚动至仪表盘下方，标题面板不再可见。选择5.50秒作为关键帧，目标完整清晰且无遮挡。","start_frame":132,"end_frame":138,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[225,110,974,260],"positive_points":[[264,183],[423,171],[582,232],[727,191],[851,184],[935,186]],"negative_points":[[94,146],[313,386],[510,387],[472,68]],"evidence":"目标是主内容区顶部的圆角页眉，包含橙色太阳图标、Solar Energy Monitor 标题及副标题、MQTT Broker 信息、逆变器在线状态和时钟。边界框覆盖完整页眉表面及边界；正点分布于图标、标题、页眉底面和右侧信息区，负点位于侧栏品牌、下方统计卡片及浏览器工具栏，均不属于目标。"}},{"name":"Solar Generation status card","description":"Leftmost large dashboard status card showing “0.00 kW,” “Offline (Night),” Efficiency, and Peak Today.","membership":"Includes the entire rounded status card, label, power value, sun icon, operating status, and lower detail rows.","id":"obj_023","temporal":{"status":"found","start_s":5.25,"end_s":5.75,"reference_s":5.5,"evidence":"目标是仪表盘最左侧的 Solar Generation 圆角状态卡，包含“0.00 kW”“Offline (Night)”、太阳图标及 Efficiency、Peak Today 明细。首个完整显示帧为5.25秒，最后为5.50秒；前一帧5.00秒卡片上缘仍被页面可视区域裁切，后一帧5.75秒页面已滚动至下方，目标不再可见。选择5.50秒作为关键帧，卡片边界完整、内容清晰且无遮挡。","start_frame":126,"end_frame":138,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[225,290,404,550],"positive_points":[[251,337],[281,386],[367,359],[277,436],[257,480],[377,507]],"negative_points":[[177,397],[344,219],[503,406],[351,631]],"evidence":"目标是仪表盘左侧第一张大型状态卡，显示“Solar Generation”“0.00 kW”和“Offline (Night)”。边界框紧贴整张圆角卡片，包含太阳图标及底部详情行。正点分布在标题、功率、图标、状态及详情区域；负点位于左侧导航、上方横幅、右侧能耗卡和下方图表。"}},{"name":"Energy Consumption status card","description":"Second large dashboard status card showing “3.20 kW,” “Active Load,” voltage, and frequency, with a blue lightning icon.","membership":"Includes the entire rounded status card, label, power value, icon, load status, and electrical detail rows.","id":"obj_024","temporal":{"status":"found","start_s":5.25,"end_s":5.75,"reference_s":5.5,"evidence":"目标是仪表盘第二张大型圆角状态卡，包含“Energy Consumption”“3.20 kW”“Active Load”、蓝色闪电图标及电压、频率信息。首个完整呈现帧为5.25秒，最后一个为5.50秒；此前5.00秒卡片顶部被视口边缘裁切，此后5.75秒页面已向下滚动，目标不再可见。选择5.50秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":126,"end_frame":138,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[416,290,595,550],"positive_points":[[466,337],[473,385],[556,357],[470,435],[562,480],[471,518]],"negative_points":[[324,392],[662,397],[500,225],[493,623]],"evidence":"目标为顶部状态卡中的第二张，显示“Energy Consumption”“3.20 kW”“Active Load”及蓝色闪电图标。边界框覆盖整张圆角卡片，包括电压、频率详情和卡片底色；正点分布在标题、功率、图标、负载状态及下部区域，负点位于左右相邻卡片、上方标题栏和下方图表。"}},{"name":"Battery Status card","description":"Third large dashboard status card showing “49.2%,” an amber partial-ring gauge, “Discharging,” power, and temperature.","membership":"Includes the rounded card surface and boundary, all text, the complete ring gauge and its interior, and detail rows.","id":"obj_025","temporal":{"status":"found","start_s":5.25,"end_s":5.75,"reference_s":5.5,"evidence":"目标是仪表盘第三张 Battery Status 卡片，包含 49.2%、琥珀色环形仪表、Discharging 及功率和温度详情。首个完整呈现帧为 5.25 秒，最后合格帧为 5.50 秒；前一帧 5.00 秒卡片顶部仍被视口裁切，后一帧 5.75 秒已滚动至下方内容，目标不再可见。选择 5.50 秒作为关键帧，卡片边界和内部元素完整清晰，无明显遮挡。","start_frame":126,"end_frame":138,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[607,290,785,550],"positive_points":[[658,337],[649,386],[737,371],[660,435],[747,480],[635,520]],"negative_points":[[558,414],[857,414],[696,219],[697,632]],"evidence":"目标是顶部状态卡中的第三张，显示“Battery Status”“49.2%”、琥珀色环形仪表和“Discharging”。边界框覆盖完整圆角卡片、文字、仪表及其内部和底部明细。正点分布于标题、百分比、仪表、放电状态、明细及卡片表面；负点位于左右相邻卡片、上方标题栏和下方图表。"}},{"name":"Grid Status card","description":"Rightmost large dashboard status card showing “0.00 kW” and “Balanced,” with a gauge icon and horizontal indicator.","membership":"Includes the whole rounded card, label, value, status text, icon, and indicator.","id":"obj_026","temporal":{"status":"found","start_s":5.25,"end_s":5.75,"reference_s":5.5,"evidence":"目标是仪表盘最右侧的“Grid Status”圆角卡片，包含“0.00 kW”“Balanced”、仪表图标及横向指示条。首个完整呈现帧为5.25秒，最后一个为5.50秒；此前5.00秒卡片上沿仍被视口裁切，此后5.75秒页面滚动至下方，目标已不可见。选择5.50秒作为关键帧，卡片边界和全部内容清晰完整、无遮挡。","start_frame":126,"end_frame":138,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[795,290,974,548],"positive_points":[[846,338],[850,385],[839,435],[936,359],[885,473],[936,517]],"negative_points":[[739,382],[868,229],[856,631],[112,437]],"evidence":"目标是状态卡行最右侧的“Grid Status”卡片，显示“0.00 kW”和“Balanced”。边界框覆盖完整圆角卡片及其文字、仪表图标和横向指示条；正点分布在这些内容及卡片底部表面，负点位于相邻电池卡、上方标题区、下方图表和左侧栏。"}},{"name":"Daily Generation card — returning dashboard appearance","description":"The “Daily Generation” summary returns after the view of the dashboard header and large status cards, again showing “0.0 kWh.”","membership":"Includes the rounded card surface and boundary, label, value, comparison text, and yellow icon.","id":"obj_027","temporal":{"status":"found","start_s":5.75,"end_s":8.25,"reference_s":6.0,"evidence":"目标是仪表盘返回下方区域后再次出现的“Daily Generation”卡片，包含完整圆角边框、0.0 kWh 数值、比较文字和黄色图标。首个合格帧为5.75秒，最后为8.00秒；前一帧5.50秒显示仪表盘标题和大型状态卡，目标尚未返回画面，后一帧8.25秒已切换到高级分析页面。选择6.00秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":138,"end_frame":198,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[225,375,404,508],"positive_points":[[273,408],[270,442],[278,476],[380,444],[355,400],[360,482]],"negative_points":[[476,442],[315,304],[311,590],[188,441]],"evidence":"目标是中部摘要行最左侧的“Daily Generation”卡片，显示“0.0 kWh”，右侧有黄色天气图标。框覆盖完整圆角卡片及其文字、图标和表面；正点分布于标签、数值、比较文字、图标及卡片背景，负点位于相邻用电卡片、上方图表、下方能源面板和左侧栏。"}},{"name":"CO₂ Saved card — returning dashboard appearance","description":"The emissions summary returns in the rightmost position, displaying “0.0 kg” and “Carbon neutral.”","membership":"Includes the rounded card surface and boundary, label, value, status text, and icons.","id":"obj_030","temporal":{"status":"found","start_s":5.75,"end_s":8.25,"reference_s":6.0,"evidence":"目标是仪表盘摘要行最右侧的“CO₂ Saved”圆角卡片，包含“0.0 kg”“Carbon neutral”和图标。此次连续完整出现从5.75秒至8.00秒；前一帧5.50秒中该卡片位于视口外，后一帧8.25秒已切换到高级分析页面。选择6.00秒作为关键帧，卡片边界及全部内容清晰、无遮挡。","start_frame":138,"end_frame":198,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[796,375,974,509],"positive_points":[[821,409],[831,444],[863,478],[950,442],[915,396],[925,494]],"negative_points":[[738,438],[878,333],[878,563],[769,490]],"evidence":"目标是仪表盘摘要行最右侧的“CO₂ Saved”卡片，显示“0.0 kg”和“Carbon neutral”。边界框覆盖完整圆角卡片及其标签、数值、状态文字和图标；正点分布于文字、图标和卡片表面，负点位于左侧相邻卡片及上下方其他图表区域。"}},{"name":"Energy Sources panel — returning dashboard appearance","description":"The lower-left Energy Sources panel returns with a complete green circular chart and a left-side power annotation.","membership":"Includes the rounded panel surface and boundary, heading and icon, the filled circular chart including its interior, and chart annotations.","id":"obj_031","temporal":{"status":"found","start_s":6.0,"end_s":8.25,"reference_s":7.0,"evidence":"目标是返回的 Energy Dashboard 左下方 Energy Sources 圆角面板，包含标题、图标、完整绿色圆形图及左侧功率标注。首个完整符合条件的帧为 6.00 秒，最后一帧为 8.00 秒；前邻帧 5.75 秒虽已显示完整圆图，但左侧功率标注尚未出现，后邻帧 8.25 秒已切换至 Advanced Analytics，目标消失。选择 7.00 秒作为关键帧，面板及图表标注完整清晰且无遮挡。","start_frame":144,"end_frame":198,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[225,538,464,923],"positive_points":[[306,590],[251,752],[344,691],[374,809],[264,873],[435,657]],"negative_points":[[121,748],[526,720],[312,441],[696,459]],"evidence":"目标是左下方标题为“Energy Sources”的圆角面板，内有完整绿色圆形图和左侧“2 kW”标注。边界框覆盖整个面板及边界；正点分布于标题、标注、绿色图内部和面板底面，负点位于左侧栏、右侧周表现面板及上方其他统计卡片。"}},{"name":"Weekly Performance panel — returning dashboard appearance","description":"The lower-right Weekly Performance panel returns with paired yellow and blue bars across seven weekday categories.","membership":"Includes the complete rounded panel, heading and icon, axes, grid, weekday labels, and both bar series.","id":"obj_032","temporal":{"status":"found","start_s":5.75,"end_s":8.25,"reference_s":6.0,"evidence":"目标是仪表盘返回下部视图后，右下角带有“Weekly Performance”标题、七个星期类别及黄蓝成对柱条的完整圆角面板。首个合格帧为5.75秒，最后合格帧为8.00秒；此前5.50秒面板位于视野外，此后8.25秒已切换到Advanced Analytics页面。选择6.00秒作为关键帧，面板边界、标题、坐标轴、网格和两组柱条均完整清晰，无遮挡。","start_frame":138,"end_frame":198,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[480.1,539.6,974.2,922.9],"positive_points":[[579.6,589.6],[562.1,760.4],[702.6,760.4],[818.5,760.4],[925.1,741.7],[731.9,893.8]],"negative_points":[[358.3,729.2],[694.4,439.6],[731.9,972.9],[111.2,733.3]],"evidence":"目标是右下角标题为“Weekly Performance”的圆角面板，含七组黄色和蓝色柱形。边界框覆盖完整面板、标题图标、坐标轴、网格及星期标签。正点分布在标题、两色柱形及面板底部表面；负点位于左侧能源面板、上方统计卡、侧栏和底部任务栏。"}},{"name":"Efficiency Analysis panel — returning analytics appearance","description":"The lower-left efficiency chart returns with animated points, a blue line, a green filled area, and a briefly visible Thursday data tooltip before scrolling upward out of view.","membership":"Includes the rounded panel surface and boundary, heading, icons, plot, axes, labels, animated data graphics, and chart tooltip when displayed.","id":"obj_035","temporal":{"status":"found","start_s":8.25,"end_s":8.75,"reference_s":8.5,"evidence":"目标是返回 Advanced Analytics 后左下方的 Efficiency Analysis 圆角面板，包含效率图及 Thursday 提示框。首个合格帧为 8.25 秒，面板表面、边界和标题已完整建立，内部图形仍在动画不影响面板资格；最后合格帧为 8.50 秒。此前 8.00 秒仍为 Energy Dashboard，目标未出现；随后 8.75 秒面板随滚动向下离开视口，底部已被裁切。选择 8.50 秒作为关键帧，因为面板完整清晰，且 Thursday 提示框可见。","start_frame":198,"end_frame":210,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[225,306,591,838],"positive_points":[[335,359],[352,505],[330,655],[479,421],[550,679],[434,806]],"negative_points":[[146,352],[405,231],[792,564],[599,912]],"evidence":"根据左下方“Efficiency Analysis”标题、绿色填充图表、蓝色数据点及显示 Thu 的提示框确定目标。边界框紧贴整个圆角面板，包含标题、图标、坐标轴、图形和提示框。正点分布在标题、提示框、绘图区及面板表面；负点位于左侧导航、上方面板、右侧健康评分面板和下方电池面板。"}},{"name":"System Health Score panel — returning analytics appearance","description":"The lower-right radar panel returns with its labeled grid, then an expanding purple Health Score polygon before scrolling out of view.","membership":"Includes the rounded panel surface and boundary, heading, icons, radar axes and grid, category labels, purple filled polygon, and legend.","id":"obj_036","temporal":{"status":"found","start_s":8.25,"end_s":8.75,"reference_s":8.5,"evidence":"目标是返回高级分析页面后右下方的“System Health Score”圆角雷达图面板。8.25秒首个合格帧已完整显示面板边界、标题和雷达网格；内部紫色多边形的展开不延迟面板起点。8.50秒为最后合格帧。此前8.00秒仍是能源仪表盘，目标不在画面中；此后8.75秒面板随滚动在画面底部被裁切。选择8.50秒作为关键帧，因为面板完整、无遮挡，且紫色多边形已可见。","start_frame":198,"end_frame":210,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[609,306,974,838],"positive_points":[[687,361],[791,470],[789,606],[876,683],[784,783],[635,738]],"negative_points":[[567,599],[784,246],[803,909],[986,605]],"evidence":"目标是右下方标题为“System Health Score”的雷达图面板。边界框覆盖完整圆角面板、标题与图标、雷达网格和标签、紫色多边形及图例。正点分布在标题、图表及面板表面；负点位于左侧效率面板、上方面板、下方财务面板及右侧滚动条区域。"}},{"name":"Advanced Analytics header — returning appearance","description":"The analytics header returns above the refreshed metrics, retaining the subtitle, “Last 7 Days” selector, and “Export Report” button.","membership":"Includes the complete rounded header panel, boundary, icon, title, subtitle, selector, and export button.","id":"obj_037","temporal":{"status":"found","start_s":9.0,"end_s":10.75,"reference_s":10.25,"evidence":"目标为返回后的 Advanced Analytics 圆角标题面板，包含图标、标题、副标题、“Last 7 Days”选择器和“Export Report”按钮，位于刷新后的指标上方。首个完整显示帧为9.00秒，最后合格帧为10.50秒；此前8.75秒仍显示下方图表，标题面板尚未进入画面，此后10.75秒已切换为 Energy Control Center。选择10.25秒作为关键帧，面板边界及全部指定成员清晰完整、无遮挡。","start_frame":216,"end_frame":258,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[225,117,974,260],"positive_points":[[255,173],[356,174],[359,213],[630,151],[782,190],[898,190]],"negative_points":[[103,345],[313,378],[577,69],[681,550]],"evidence":"目标是主内容区顶部的 Advanced Analytics 圆角标题面板，含副标题、“Last 7 Days”选择器及“Export Report”按钮。边框覆盖完整面板；正点分布于图标、标题、副标题、面板底色和两个控件，负点位于左侧导航、下方指标卡、浏览器栏及图表区。"}},{"name":"Performance Score card — returning appearance","description":"Leftmost refreshed analytics metric card showing “88.4/100” with a purple target icon and green comparison text.","membership":"Includes the whole rounded card, label, value, comparison line, and icon.","id":"obj_038","temporal":{"status":"found","start_s":9.0,"end_s":10.75,"reference_s":9.5,"evidence":"目标是返回后的分析页最左侧圆角指标卡，包含 Performance Score、88.4/100、紫色靶心图标及绿色比较文字。首个完整呈现帧为9.00秒，最后合格帧为10.50秒；此前8.75秒视口仍在下方图表区域，目标卡未显示，之后10.75秒页面切换到控制中心，目标消失。选择9.50秒为关键帧，卡片完整清晰、无遮挡，易于与相邻指标卡区分。","start_frame":216,"end_frame":258,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[225,292,404,467],"positive_points":[[248,338],[270,383],[303,425],[369,356],[239,446],[392,308]],"negative_points":[[439,375],[310,250],[193,377],[310,509]],"evidence":"目标是指标行最左侧的 Performance Score 圆角卡片，显示“88.4/100”、紫色靶心图标和绿色比较文字。边界框覆盖整张卡片；正点分布在标签、数值、比较行、图标及卡片表面，负点位于上方标题区、左侧导航、右侧相邻卡片和下方图表区。"}},{"name":"System Efficiency card — returning appearance","description":"Second refreshed analytics metric card showing “91.4%” with a green waveform icon.","membership":"Includes the whole rounded card, label, value, comparison line, and icon.","id":"obj_039","temporal":{"status":"found","start_s":9.0,"end_s":10.75,"reference_s":9.5,"evidence":"目标为返回后的 Advanced Analytics 页面中第二张圆角指标卡，包含 System Efficiency 标签、91.4% 数值、绿色比较行和波形图标。首个完整呈现帧为9.00秒，最后合格帧为10.50秒；此前8.75秒画面仍停留在下方图表区域，目标卡尚未进入可见范围，此后10.75秒已切换为控制中心页面。选择9.50秒作为关键帧，卡片完整清晰、无遮挡，便于与相邻指标卡区分。","start_frame":216,"end_frame":258,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[416,292,595,469],"positive_points":[[438,338],[458,383],[467,425],[559,354],[570,440],[428,315]],"negative_points":[[369,379],[660,377],[509,240],[509,525]],"evidence":"目标是指标行中第二张“System Efficiency”卡片，显示91.4%和绿色波形图标。边界框覆盖整个圆角卡片，包括标签、数值、比较行、图标及底面。正点分布在这些内容和卡片表面；负点位于左右相邻卡片以及上方标题面板、下方图表区域。"}},{"name":"Self Consumption card — returning appearance","description":"Third refreshed analytics metric card showing “83.0%” with a blue circular-chart icon.","membership":"Includes the whole rounded card, label, value, comparison line, and icon.","id":"obj_040","temporal":{"status":"found","start_s":9.0,"end_s":10.75,"reference_s":10.25,"evidence":"目标是返回后的 Advanced Analytics 页面第三张圆角指标卡，含 Self Consumption、83.0%、比较行和蓝色圆形图表图标。首个完整可见帧为9.00秒，最后合格帧为10.50秒；前一帧8.75秒仍显示下方图表，目标卡尚未进入画面，后一帧10.75秒已切换到控制中心。选择10.25秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":216,"end_frame":258,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[607,292,785,469],"positive_points":[[664,338],[645,385],[663,425],[749,354],[765,440],[620,315]],"negative_points":[[559,385],[828,385],[698,260],[692,510]],"evidence":"目标是指标行第三张卡片，显示“Self Consumption”和“83.0%”，右侧有蓝色圆形图表图标。边界框覆盖整个圆角卡片；正点分布于标签、数值、比较行、图标及卡片底面，负点位于相邻卡片和上下外部区域。"}},{"name":"Carbon Reduced card — returning appearance","description":"Rightmost refreshed analytics metric card showing “190 kg” with a green leaf icon.","membership":"Includes the whole rounded card, label, value, comparison line, and icon.","id":"obj_041","temporal":{"status":"found","start_s":9.0,"end_s":10.75,"reference_s":9.5,"evidence":"目标是返回后的 Advanced Analytics 页面最右侧圆角指标卡，包含 Carbon Reduced 标签、190 kg 数值、比较行和绿色叶子图标。首个完整显示帧为 9.00 秒，最后合格帧为 10.50 秒；前一帧 8.75 秒仍显示下方图表，目标卡尚未进入可见区域，后一帧 10.75 秒已切换到控制中心，目标消失。选择 9.50 秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":216,"end_frame":258,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[795,292,974,467],"positive_points":[[823,338],[831,385],[938,356],[854,425],[958,440],[907,313]],"negative_points":[[759,375],[872,240],[878,520],[691,425]],"evidence":"目标是指标行最右侧的“Carbon Reduced”圆角卡片，显示“190 kg”和绿色叶子图标。边界框覆盖完整卡片及其标签、数值、比较行和图标；正点分布在这些内容与卡片表面，负点位于左侧相邻卡片、上方标题面板及下方图表区域。"}},{"name":"Energy Control Center header and tabs","description":"Header of the Control Center page, with “Controls,” “Settings,” “Schedule,” and “Alerts” tabs. Selection moves from Controls to Settings and then Schedule.","membership":"Includes the rounded header surface and boundary, title and icon, and all four tabs. Excludes the changing functional panels below.","id":"obj_042","temporal":{"status":"found","start_s":10.75,"end_s":16.0,"reference_s":14.0,"evidence":"目标为带图标和“Energy Control Center”标题的圆角页眉，包含 Controls、Settings、Schedule、Alerts 四个标签，不含下方功能面板。首个合格帧为10.75秒，页眉及全部标签已完整呈现；此前10.50秒仍为 Advanced Analytics 页面。页眉持续存在至最后采样帧15.75秒，期间选中项由 Controls 切换至 Settings、Schedule。区间到达视频结尾16.0秒，无后续帧。选择14.0秒作为关键帧，页眉边界、标题及四个标签清晰完整，便于标注。","start_frame":258,"end_frame":384,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[213,125,986,225],"positive_points":[[328,177],[531,166],[728,176],[803,176],[878,177],[945,177]],"negative_points":[[115,349],[338,309],[657,431],[543,779]],"evidence":"目标为页面顶部含“Energy Control Center”标题及 Controls、Settings、Schedule、Alerts 四个标签的圆角栏，当前 Settings 高亮。边界框覆盖完整栏面、边界、标题图标及全部标签；正点分布在标题、栏面和四个标签上，负点位于左侧导航、下方设置面板及更下方背景，不包含这些区域。"}},{"name":"Device Controls panel","description":"Left panel in the Controls tab, containing Solar Inverter, Battery System, Grid Connection, Smart Load Management, and Backup Mode rows with status labels and switches.","membership":"Includes the full rounded panel, heading, five row surfaces, labels, icons, status text, and switches. The separately identified Solar Inverter switch remains part of this panel.","id":"obj_043","temporal":{"status":"found","start_s":10.75,"end_s":13.75,"reference_s":11.75,"evidence":"目标是 Controls 页左侧的 Device Controls 圆角面板，含标题及 Solar Inverter、Battery System、Grid Connection、Smart Load Management、Backup Mode 五行、状态和开关。首个完整呈现帧为10.75秒，最后合格帧为13.50秒；前一帧10.50秒仍为 Advanced Analytics 页面，后一帧13.75秒已切换为 System Settings，目标消失。选择11.75秒作为关键帧，面板边界及全部五行清晰完整，遮挡极少。","start_frame":258,"end_frame":330,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[213,254,591,879],"positive_points":[[311,307],[554,386],[351,490],[420,594],[357,697],[540,803]],"negative_points":[[705,419],[478,175],[108,439],[420,914]],"evidence":"根据“Device Controls”标题及包含五个设备控制行的左侧面板定位。边界框覆盖完整圆角面板、标题、五行标签、状态与开关。正点分布于标题和五个控制行，包含开关；负点位于右侧快捷操作面板、上方标题栏、左侧导航及面板下方背景。"}},{"name":"Quick Actions panel","description":"Right panel in the Controls tab, containing four action tiles: “Export CSV,” “Export JSON,” “Restart System,” and “Save Config.”","membership":"Includes the complete rounded panel, heading and icon, and all four action tiles with their icons, titles, and subtitles.","id":"obj_044","temporal":{"status":"found","start_s":10.75,"end_s":13.75,"reference_s":11.0,"evidence":"目标为 Controls 页右侧的 Quick Actions 圆角面板，含标题图标及 Export CSV、Export JSON、Restart System、Save Config 四个完整操作卡片。首个合格帧为 10.75 秒，最后为 13.50 秒；前一帧 10.50 秒仍是 Advanced Analytics 页面，后一帧 13.75 秒已切换到 Settings，目标消失。选择 11.00 秒作为关键帧，面板边界和全部卡片清晰完整，无遮挡。","start_frame":258,"end_frame":330,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[609,254,986,879],"positive_points":[[672,306],[710,431],[882,427],[708,585],[881,588],[796,779]],"negative_points":[[409,621],[801,177],[109,442],[797,913]],"evidence":"目标是 Controls 页右侧的 Quick Actions 圆角面板，内含 Export CSV、Export JSON、Restart System 和 Save Config 四个操作块。边界框覆盖完整面板、标题图标及四个操作块；正点分布于标题、各操作块和下方面板表面，负点位于左侧设备面板、顶部导航、侧栏及面板下方背景。"}},{"name":"Solar Inverter switch","description":"Switch at the right end of the first Device Controls row, directly operated to deactivate and reactivate the Solar Inverter.","membership":"Includes the pill-shaped switch track and circular thumb through their state changes. Excludes the row backing, Solar Inverter label, status text, and cursor.","id":"obj_045","temporal":{"status":"found","start_s":10.75,"end_s":13.75,"reference_s":11.0,"evidence":"目标是 Device Controls 第一行 Solar Inverter 右端的胶囊形开关，包含轨道和圆形滑块；12.50秒关闭及随后重新开启均属同一目标。首个合格帧为10.75秒，最后为13.50秒。前一帧10.50秒仍是分析页面，尚无该开关；后一帧13.75秒已切换到 Settings，开关消失。选择11.00秒作为关键帧，开关结构清晰完整，且无光标遮挡。","start_frame":258,"end_frame":330,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[523.4,368.8,565.6,406.3],"positive_points":[[528.1,385.4],[536.3,377.1],[536.3,395.8],[552.7,377.1],[559.7,387.5],[552.7,397.9]],"negative_points":[[501.2,387.5],[303.3,377.1],[543.3,433.3],[554.0,491.7]],"evidence":"���标是 Device Controls 第一行 Solar Inverter 右端的开关。框仅覆盖胶囊形轨道和圆形滑块；六个正点分布在轨道及滑块上，负点位于左侧行背景、标签、下方间隔及第二行开关，排除这些非目标区域。"}},{"name":"System Settings panel","description":"Panel shown under the Settings tab, with Battery Management sliders, a Grid Export Limit slider, a Load Priority dropdown set to “Solar First,” and four feature buttons.","membership":"Includes the complete rounded settings panel, heading, section labels, slider tracks and thumbs, labels and values, dropdown, divider, and Peak Shaving, Night Mode, Enable Alerts, and Auto Restart buttons.","id":"obj_046","temporal":{"status":"found","start_s":13.75,"end_s":14.75,"reference_s":14.0,"evidence":"目标为 Settings 标签下完整的 System Settings 圆角面板，包含电池管理滑块、Grid Export Limit 滑块、Solar First 下拉框及四个功能按钮。首个合格帧为13.75秒，最后合格帧为14.50秒；前一帧13.50秒仍显示 Device Controls 和 Quick Actions，后一帧14.75秒已替换为 Energy Schedule 面板。选择14.00秒作为关键帧，面板边界和全部指定控件清晰完整，无明显遮挡。","start_frame":330,"end_frame":354,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[213,254,986,732],"positive_points":[[294,306],[371,459],[765,459],[709,554],[319,668],[883,666]],"negative_points":[[570,179],[109,440],[575,822],[458,69]],"evidence":"目标是 Settings 标签下方的 System Settings 圆角面板。边界框覆盖完整面板，包括标题、电池与电网设置、滑块、下拉框、分隔线及底部四个功能按钮。正点分布在标题、左右滑块、下拉框和底部按钮上；负点位于上方导航栏、左侧侧栏、面板下方背景和浏览器栏。"}},{"name":"Energy Schedule panel","description":"Panel shown under the Schedule tab, with Peak Hours Configuration and Off-Peak Hours Configuration time fields, followed by Solar Optimization and Load Shifting buttons.","membership":"Includes the complete rounded schedule panel, heading and icon, both configuration sections, all four labeled time fields and their clock icons, divider, and the two bottom buttons.","id":"obj_047","temporal":{"status":"found","start_s":14.75,"end_s":16.0,"reference_s":15.0,"evidence":"目标是 Schedule 标签下的完整圆角 Energy Schedule 面板，包含峰时与非峰时配置、四个带时钟图标的时间字段、分隔线及底部两个按钮。首个合格帧为14.75秒，前一帧14.50秒仍显示 System Settings；最后合格帧为15.75秒，面板持续完整显示至视频结束，之后无采样帧。选择15.00秒作为关键帧，因为面板边界和全部控件清晰可见，无遮挡。","start_frame":354,"end_frame":384,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[213.1,254.2,984.8,762.5],"positive_points":[[320,306],[390,473],[406,580],[775,476],[411,695],[799,697]],"negative_points":[[588,176],[119,442],[615,839],[491,70]],"evidence":"目标是 Schedule 标签下方的 Energy Schedule 圆角面板。边界框覆盖标题与图标、左右时段配置、四个时间输入框、分隔线及底部两个按钮。正点分布在标题、时间字段和两个按钮上；负点位于上方导航栏、左侧侧栏、面板下方背景及浏览器栏，均在目标外。"}}]}
+{"video_id":211,"video_type":"data and scientific visualization","targets":[{"name":"Convex hull visualization","description":"The large black plotting panel on the left shows an irregular purple polygon with round vertex markers. The algorithm progressively adds numbered blue hull vertices and thick blue edges, highlighting the vertex being processed in yellow and its tangent connections in magenta and orange.","membership":"Includes the plotting panel's black surface, boundary, polygon, vertex markers, numeric labels, and changing hull and tangent graphics. Excludes the application header, toolbar above the plot, right-hand algorithm log, and bottom playback strip.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":14,"reference_s":6.5,"evidence":"目标是左侧黑色绘图区，包含紫色不规则多边形、圆形顶点及动态蓝色凸包和黄、洋红、橙色高亮，不包含右侧日志及上下工具栏。首个合格帧为0.00秒，面板边界与图形已完整呈现；最后合格帧为13.75秒，面板仍完整存在，内部算法图形的变化不影响其连续身份。区间覆盖视频全程，起点之前和终点之后均无采样帧。选择6.50秒作为关键帧，因面板清晰完整，蓝色凸包、黄色顶点和双色切线均易于辨认。","start_frame":0,"end_frame":336,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[0,56.1,719,967.1],"positive_points":[[151,128],[271,450],[231,769],[433,257],[503,681],[80,860]],"negative_points":[[252,14],[302,42],[843,401],[529,983]],"evidence":"目标是左侧显示紫色多边形、蓝色凸包及黄、洋红、橙色高亮的黑色绘图面板。边界框覆盖完整绘图区及其边界，不含上方工具栏、右侧算法日志和底部播放条。正点分布在顶点、凸包高亮及面板黑色表面；负点位于应用页眉、绘图上方工具栏、算法日志和播放条。"}},{"name":"Algorithm Steps panel","description":"The right-hand panel titled \"Algorithm Steps\" contains a scrolling table with \"frame\" and \"Body\" columns. Color-coded entries describe the current hull stack, vertex connections, and upper and lower tangents; the current frame is indicated as playback advances.","membership":"Includes the panel surface, boundary, title bar, column headings, and visible table contents throughout scrolling and selection updates. Excludes the adjacent plotting panel, application-wide header, and bottom playback strip.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":14,"reference_s":0,"evidence":"目标是右侧标题为“Algorithm Steps”的面板，包含 frame、Body 列及彩色算法步骤。首帧0.00秒已完整显示面板表面、边界和标题栏，至最后采样帧13.75秒持续存在；滚动和当前步骤更新仅改变内部内容。区间覆盖视频全程，起点之前和终点之后均无采样帧。选择0.00秒为关键帧，面板完整清晰、无遮挡，易与左侧绘图区及底部播放条区分。","start_frame":0,"end_frame":336,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[718.5,29.6,1000,967.1],"positive_points":[[770,44],[741,81],[862,239],[828,496],[912,739],[840,925]],"negative_points":[[668,434],[536,78],[819,15],[867,983]],"evidence":"通过右侧“Algorithm Steps”标题、frame/Body列及彩色算法记录识别目标。边界框覆盖整个右侧面板，包括标题栏、边界、表头、可见表格和面板背景；不含顶部应用栏及底部播放条。正点分布在标题、表头和不同高度的表格区域，负点位于左侧绘图区、顶部应用栏和底部播放条。"}},{"name":"Playback timeline and controls","description":"The narrow bottom strip controls the demonstration, with playback and stepping buttons, a \"frame\" selector, \"1.00x\" speed, \"2 FPS\", and a horizontal timeline with markers, a moving playhead, and the current frame number.","membership":"Includes the complete bottom playback strip, its surface and boundary, controls, labels, timeline track, markers, playhead, and frame readout. Excludes the visualization and algorithm log above it.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":14,"reference_s":1,"evidence":"目标是画面底部完整的窄播放控制条，含播放与步进按钮、frame 选择器、1.00x、2 FPS、时间轴标记、游标及帧号，不含上方可视化和日志。首个合格帧为 0.00 秒，最后为 13.75 秒；所有采样帧中条带表面和边界均已完整显示，仅游标和帧号等内部状态变化。区间覆盖视频首尾，两端均无区间外采样帧。选择 1.00 秒作为关键帧，控制条完整清晰且无遮挡。","start_frame":0,"end_frame":336,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[0,966.3,1000,1000],"positive_points":[[14,983],[139,983],[224,983],[402,983],[682,983],[947,983]],"negative_points":[[150,937],[516,939],[705,932],[843,932]],"evidence":"目标是图像最底部的完整播放控制条，可由播放按钮、frame 选择器、速度、FPS、时间轴和帧号识别。边界框覆盖该条的表面、上边界及全部控件。六个正点分布于左侧按钮和标签、中右部时间轴及帧号；四个负点位于上方可视化区域和算法日志中。"}}]}
+{"video_id":212,"video_type":"data and scientific visualization","targets":[{"name":"Modulo 10 number table","description":"Opening ten-row table labeled from “0 mod 10:” through “9 mod 10:”. Each row lists numbers with the same last digit; primes are highlighted in turquoise, while other entries appear white or dark gray.","membership":"Includes all row labels, number sequences, commas, and trailing ellipses as one table. Excludes the black background outside the table.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"0.00秒帧完整显示从“0 mod 10:”到“9 mod 10:”的十行数表，包含数字序列、逗号和省略号，质数以青绿色突出显示，符合目标描述。首个及最后一个合格帧均为0.00秒；它位于视频起点，没有更早的采样帧。紧邻的0.25秒帧已替换为“Proportion / Last digit”坐标图，数表消失。选择0.00秒作为关键帧，因为整个数表清晰完整、无遮挡。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[33.2,79.9,924,934],"positive_points":[[68,111],[655.8,196.2],[770,376],[217.3,560.8],[41.5,702.3],[801.3,895.8]],"negative_points":[[10,434],[952,434],[488,30],[488,973]],"evidence":"图中可见从“0 mod 10:”至“9 mod 10:”的完整十行数表，质数以青绿色突出显示。边界框包含全部行标签、数字序列、逗号和末尾省略号。正点���布在不同表行的实际文字笔画上，负点位于表格四周的外部黑色背景。"}},{"name":"Prime last-digit proportion chart","description":"Bar chart with a vertical “Proportion” scale labeled up to “100%” and a horizontal “Last digit” axis labeled 0 through 9. Yellow, green, and cyan bars grow and adjust as primes are introduced.","membership":"Includes both axes, tick marks, percentage labels, axis titles, digit labels, and the filled bars with their outlines throughout the updates. Excludes the separate large prime-number readout, floating transition numerals, red selection boxes, and the brief white arrow.","id":"obj_002","temporal":{"status":"found","start_s":0.25,"end_s":20.0,"reference_s":19.25,"evidence":"目标由“Proportion”百分比纵轴、“Last digit”横轴、0至9刻度及黄绿青色柱条识别。0.25秒时坐标轴、刻度和标题已完整建立，随后柱条出现并持续更新，属于同一图表；前一帧0.00秒是模10数字列表，尚无该图表。最后符合帧为19.75秒，图表仍完整可见，视频结束后无相邻帧。选择19.25秒为关键帧，柱条及坐标结构清晰，无浮动过渡数字或白箭头干扰；独立大号质数和红框不属于目标。","start_frame":6,"end_frame":480,"reference_frame":462},"grounding":{"status":"found","bbox_xyxy":[10,56,990,938],"positive_points":[[28,79],[105.5,477.4],[244.1,746.5],[387.2,784.7],[669,755.2],[848.6,855]],"negative_points":[[520,178],[233.4,911.5],[928,434],[562,738]],"evidence":"目标是带有“Proportion”和“Last digit”标题的柱状图。边界框覆盖两轴、刻度、百分比和数字标签以及全部彩色柱体；正点分布在标题笔画、纵轴及不同柱体上。负点位于独立的“73”读数、红色选择框和远离图形的黑色背景处，这些均不属于目标。"}},{"name":"Current prime-number readout","description":"Large serif number presented above the chart near the upper center. The readout begins with “2” and updates through successive primes, reaching “97” in the final sampled frame.","membership":"Includes only the glyphs of the currently presented number, including its fade-in. Excludes the chart, surrounding black space, selection outlines, and departing numeral copies moving toward chart columns.","id":"obj_003","temporal":{"status":"found","start_s":1.0,"end_s":20.0,"reference_s":19.75,"evidence":"目标是图表上方中央的大号衬线质数读数，数值持续更新，不包括向柱形移动的旧数字副本。1.00秒的“2”首次完成初始淡入；紧邻的0.75秒仍在淡入。该读数持续更新至最后一帧19.75秒的“97”，视频于20.00秒结束，无边界后的帧。选择19.75秒作为关键帧，因为“97”清晰完整，且没有离开的数字副本干扰。","start_frame":24,"end_frame":480,"reference_frame":474},"grounding":{"status":"found","bbox_xyxy":[466.3,124.1,533.2,212.0],"positive_points":[[469.7,155.4],[492.2,155.4],[476.6,205.7],[518.6,133.7],[522.5,164.9],[514.6,200.5]],"negative_points":[[454.1,164.9],[546.9,160.6],[499.0,95.5],[499.0,238.7]],"evidence":"目标是图表上方中央的大号衬线数字“97”。边界框紧贴两个数字的可见字形；六个正点分布在“9”和“7”的笔画上，四个负点位于数字整体外围的黑色背景，未包含图表或其他标记。"}}]}
+{"video_id":213,"video_type":"data and scientific visualization","targets":[{"name":"Complex Analysis title","description":"Large serif heading reading “Complex Analysis,” initially above the characters toward the right, then enlarged across the top. “Analysis” turns green and “Complex” turns yellow.","membership":"Includes both words and all their letterforms. Excludes the charts and characters below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":14.25,"reference_s":4.5,"evidence":"目标为顶部大号衬线标题“Complex Analysis”，包括两个词；其后Analysis变绿、Complex变黄。首个合格帧为0.00秒，两个词已完整显示，之后的放大、移动和变色不影响连续性。最后合格帧为14.00秒；紧邻的14.25秒已切换为时间轴，标题消失。区间起于视频开头，无更早采样帧。选择4.50秒作为关键帧，标题完整清晰、无遮挡，且与下方图表和角色易于区分。","start_frame":0,"end_frame":342,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[226.6,62.5,773.5,177.1],"positive_points":[[234,111],[335,135],[470,120],[536,114],[654,110],[769,134]],"negative_points":[[329,219],[685,392],[515,710],[820,150]],"evidence":"目标是图像顶部的大号衬线标题“Complex Analysis”，前词为黄色，后词为绿色。边界框紧贴两词的全部字形，包括下伸部分；六个正点分布在两词的字母笔画上，负点位于下方图表、角色及标题右侧外部背景，均不包含标题内容。"}},{"name":"Left cyan pi character","description":"The leftmost of three small pi-shaped characters, colored cyan, with white eyes and a small black mouth. Its upper-left stroke later curls upward.","membership":"Includes the complete colored symbol, its eyes, pupils, and mouth, following its changing outline. Excludes surrounding black space and the other characters.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":14.25,"reference_s":7.5,"evidence":"目标是三个小π角色中最左侧的青色角色，包括白眼、瞳孔和黑色小嘴；其左上笔画随后向上卷曲，身份连续。首个合格帧为0秒，角色已完整呈现，视频起点之前无采样帧。最后合格帧为14秒；14.25秒画面切换为时间轴，角色消失。选择7.5秒作为关键帧，角色卷曲后的完整轮廓清晰、无遮挡，且与其他角色分离。","start_frame":0,"end_frame":342,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[63,623.3,210.9,923.6],"positive_points":[[86.4,654.5],[149.4,654.5],[120.6,685.8],[191.4,682.3],[84.5,866.3],[149.9,855.9]],"negative_points":[[39.1,770.8],[230,742.2],[294,685.8],[133.3,963.5]],"evidence":"目标是画面左下方、三个小π角色中最左侧的青色角色。边界框紧贴其上翘弯钩、眼睛、横画和两条长腿，包含瞳孔及嘴巴。正点分布在弯钩、眼睛、嘴巴、横画和双腿上；负点位于角色外侧黑色背景及右邻的另一个π角色上。"}},{"name":"Middle dark teal pi character","description":"The middle small pi-shaped character, distinguished by its darker teal body, white eyes, and small mouth. Its upper-left stroke later curls upward.","membership":"Includes the complete symbol body and facial features through changes of pose and expression. Excludes the neighboring characters and surrounding space.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":14.25,"reference_s":7.5,"evidence":"目标是三个小π角色中间的深青色角色，包含白眼、小嘴及后来向上卷起的左上笔画。首个合格帧为0.00秒，角色已完整呈现；视频起点之前无采样帧。最后合格帧为14.00秒，14.25秒画面切换为时间轴，角色消失。选择7.50秒为关键帧，因为目标完整无遮挡，卷起的笔画和面部清晰，深青色身体易与两侧角色区分。","start_frame":0,"end_frame":342,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[256.8,623.3,404.8,923.6],"positive_points":[[277.8,664.1],[384.8,684.0],[314.0,658.0],[341.8,651.0],[288.1,802.1],[344.2,874.1]],"negative_points":[[153.0,816.0],[538.0,826.0],[228.0,736.0],[345.0,582.0]],"evidence":"目标是下方三个小π角色中间的深青色角色。边界框紧贴完整符号身体及双眼，包含左上卷曲笔画和两条腿。正点分布在卷曲笔画、横笔、双眼及两腿上；负点位于左右相邻角色及目标外部的黑色背景，避开内部空隙。"}},{"name":"Right light blue pi character","description":"The rightmost of the three small characters, with a light blue pi-shaped body, white eyes, and a small mouth, positioned left of the larger brown character.","membership":"Includes the entire colored symbol and its facial features, following its changing outline. Excludes the adjacent chart, other characters, and surrounding space.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":14.25,"reference_s":4.5,"evidence":"目标是三个小π角色中最右侧的浅蓝色角色，位于较大棕色角色左边，包含白眼和小嘴。首个合格帧为0秒，角色已完整呈现；此前无采样帧。其轮廓变化和眨眼期间持续存在，最后合格帧为14.00秒。紧接的14.25秒画面切换为时间轴，目标消失。选择4.50秒作为关键帧，角色完整清晰、无遮挡，且与相邻角色容易区分。","start_frame":0,"end_frame":342,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[444.8,640.6,584.5,942.7],"positive_points":[[503,654],[538,654],[567,683],[470,715],[461,899],[539,908]],"negative_points":[[337,684],[817,623],[680,449],[623,844]],"evidence":"目标是三个小角色中最右侧的浅蓝色π角色，位于大棕色角色左边。边界框紧贴其双眼、横向顶部和两条腿，包含嘴部等面部特征。正点分布在双眼及浅蓝色身体各部分；负点位于其他角色、上方图表和右侧外部黑色背景。"}},{"name":"Large brown pi character","description":"Larger brown-gray pi-shaped character at the lower right, with white eyes and a smiling mouth, facing the three smaller characters.","membership":"Includes its complete body, extended top stroke, two legs, eyes, pupils, and mouth. Excludes the graph above and black space outside its outline.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":14.25,"reference_s":1.5,"evidence":"目标是右下方较大的棕灰色π角色，含完整顶横、双腿、白眼、瞳孔和微笑嘴，与左侧三个蓝色小角色相对。首个合格帧为0.00秒，身体已完整建立；视频起点之前无采样帧。最后合格帧为14.00秒，角色仍完整可见；紧接的14.25秒切换为时间轴，角色消失。选择1.50秒作为关键��，轮廓清晰、无遮挡，且与上方图表及左侧角色分离。","start_frame":0,"end_frame":342,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[740.2,562.5,964.8,937.5],"positive_points":[[820,585],[862,585],[766,622],[939,663],[821,856],[914,866]],"negative_points":[[722,389],[535,692],[982,827],[730,857]],"evidence":"目标是右下方面向三个小角色的大型棕灰色π角色。边界框紧贴双眼、向两侧延伸的顶横及两条腿，包含瞳孔和笑嘴。六个正点分布于双眼、顶横两端和双腿；负点位于上方图表、小型青色角色及目标外侧黑色背景。"}},{"name":"Parabola and integration chart","description":"Green-bordered rectangular chart appearing below the right side of the title. It shows axes labeled x and y, an x² curve, and blue-to-green rectangles that progressively fill the area beneath the curve.","membership":"Includes the rectangular boundary, enclosed plotting surface, axes, tick labels, curve and its label, and all animated rectangles and resulting shaded area. Excludes the title and brown character.","id":"obj_006","temporal":{"status":"found","start_s":1.5,"end_s":14.25,"reference_s":2.5,"evidence":"目标是标题右下方的绿色矩形图表，包含坐标轴、x²曲线及逐渐增加的蓝绿色积分矩形。1.25秒仍处于淡入阶段，1.5秒边界和绘图表面已完整显现；内部矩形后续变化不影响图表的连续存在。最后合格帧为14.0秒，14.25秒已切换为时间轴，图表消失。选择2.5秒作为关键帧，边框、曲线和积分矩形清晰且无遮挡。","start_frame":36,"end_frame":342,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[521.5,197.9,864.8,541.7],"positive_points":[[540,225],[597,349],[675,455],[722,384],[754,272],[844,510]],"negative_points":[[650,121],[841,620],[520,690],[490,390]],"evidence":"目标是标题右下方的绿色边框图表，内有坐标轴、x²抛物线和蓝绿色积分矩形。边界框紧贴整个图表外框，包含内部绘图区及全部图形和标签。正点分布于绘图表面、坐标轴、曲线和填充矩形；负点位于标题、棕色角色、蓝色角色及图表左侧外部背景。"}},{"name":"Complex-function transformation chart","description":"Yellow-bordered rectangular chart appearing left of the parabola chart, headed “Complex functions as transformations.” A complex-plane grid contains yellow points labeled s₀ through s₄, with arrows progressively connecting them to pink image points.","membership":"Includes the entire frame and enclosed surface, heading, grid, axes, labels, source and image points, and transformation arrows throughout their animation. Excludes the main heading and characters below.","id":"obj_007","temporal":{"status":"found","start_s":4.0,"end_s":14.25,"reference_s":12.5,"evidence":"目标是抛物线图左侧、标题为“Complex functions as transformations”的黄色边框复平面图。4.00秒时初始淡入完成，边框与图面完整；此前3.75秒仍处于淡入阶段。最后合格帧为14.00秒，14.25秒已切换为时间轴，目标消失。选择12.50秒作为关键帧，此时图表清晰无遮挡，五组源点、像点及连接箭头均可辨认；内部箭头的逐步出现不影响图表容器的连续性。","start_frame":96,"end_frame":342,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[158.7,197.9,501,540.8],"positive_points":[[327,218],[190,356],[300,300],[361,445],[452,344],[265,494]],"negative_points":[[362,116],[692,363],[335,685],[126,387]],"evidence":"目标是抛物线图左侧、标题为“Complex functions as transformations”的黄色边框图表。边界框紧贴完整外框，涵盖内部底面、标题、网格、坐标轴、标签、点及箭头。六个正点分布于标题和图表内部各区域；负点位于上方主标题、右侧抛物线图、下方角色及左侧外部背景。"}},{"name":"Historical timeline axis","description":"Horizontal gray timeline replacing the character-and-chart scene. Annual ticks and larger decade ticks with white year labels scroll backward from recent decades toward the nineteenth century.","membership":"Includes the horizontal axis, all visible tick marks, and their year labels. Excludes the separately presented historical-event text and downward event arrows.","id":"obj_008","temporal":{"status":"found","start_s":14.25,"end_s":17.0,"reference_s":14.25,"evidence":"目标是替代角色与图表场景的灰色水平年代轴，包括年度刻度、较长的十年刻度及白色年份标签，不含事件文字和箭头。14.25秒首次完整呈现，随后向十九世纪滚动，至最后采样帧16.75秒仍持续存在；轴横跨画面的设计性裁切不属于退出。前一帧14.00秒仍是角色与图表，尚无时间轴；区间到达视频末尾，无后续帧。选择14.25秒为关键帧，因为轴与年份清楚，且没有历史事件文字和箭头干扰。","start_frame":342,"end_frame":408,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[0,474.8,980.5,577.3],"positive_points":[[53.7,500],[391.6,480],[672.9,500],[89.8,560],[511.2,560],[930.7,573.8]],"negative_points":[[150,420],[800,420],[350,640],[900,640]],"evidence":"图中横向灰色轴线、逐年短刻度、十年长刻度及1960至2020的白色年份标签共同构成目标。边界框紧贴全部可见轴线、刻度和年份文字；正点分布在轴线、长刻度及不同年份的字形笔画上，负点位于时间轴上方和下方的外部黑色背景。"}},{"name":"Prime number theorem event text","description":"White serif text block reading “Prime number theorem” and “1896,” entering from the left above the scrolling timeline and moving toward the right.","membership":"Includes the complete event name and year as one text block. Excludes its downward arrow, timeline axis, and tick labels.","id":"obj_009","temporal":{"status":"found","start_s":16.0,"end_s":16.5,"reference_s":16.0,"evidence":"目标为时间线上方白色衬线文字“Prime number theorem”和“1896”，不含向下箭头。首个完整帧为16.00秒，最后完整帧为16.25秒；前一帧15.75秒文字尚被左边界裁切，后一帧16.50秒文字已被右边界裁切。选择16.00秒作为关键帧，文字完整清晰，且与其他事件文字容易区分。","start_frame":384,"end_frame":396,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[197.7,118.1,417.0,312.5],"positive_points":[[203.1,140.6],[305.7,149.3],[250.5,218.8],[356.0,221.4],[280.3,294.3],[327.1,298.6]],"negative_points":[[307.6,386.3],[364.3,500.0],[365.2,559.9],[451.7,212.7]],"evidence":"目标是时间线上方的白色衬线文字“Prime number”“theorem”和“1896”。边界框紧贴这三行完整文字，正点分布在各行的字形笔画上；负点位于被排除的向下箭头、时间轴、刻度年份及右侧外部背景。"}},{"name":"Prime number theorem event arrow","description":"White downward arrow beneath the “Prime number theorem” and “1896” text, indicating the corresponding date on the timeline.","membership":"Includes the arrow shaft and triangular head only. Excludes the event text and timeline.","id":"obj_010","temporal":{"status":"found","start_s":16,"end_s":16.75,"reference_s":16.25,"evidence":"目标是“Prime number theorem / 1896”下方指向时间轴的白色向下箭头，仅包含箭杆和三角箭头。首个合格帧为16.00秒，最后为16.50秒；16.50秒虽事件文字被裁切，箭头自身仍完整。此前15.75秒箭头尚在画面外，之后16.75秒已移出画面。选择16.25秒为关键帧，箭头完整清晰、无遮挡，且易与其他事件箭头区分。","start_frame":384,"end_frame":402,"reference_frame":390},"grounding":{"status":"found","bbox_xyxy":[621.6,343.8,639.2,468.8],"positive_points":[[630.4,350.5],[630.4,381.2],[630.4,423.6],[625.5,440.5],[635,440.5],[630.4,459]],"negative_points":[[630.4,292],[630.4,500],[609,408],[651,408]],"evidence":"目标是“Prime number theorem”和“1896”下方指向时间轴的白色向下箭头。边界框仅覆盖箭杆及三角箭头；六个正点分布于箭杆和箭头上，负点位于上方年份文字、下方时间轴及左右外部背景，排除文字和时间轴。"}},{"name":"Dirichlet’s theorem event text","description":"White serif block reading “Dirichlet’s theorem” and “1837,” appearing at the left above the nineteenth-century timeline.","membership":"Includes the event name and year, including portions revealed as the block moves into view. Excludes the downward arrow and timeline.","id":"obj_011","temporal":{"status":"found","start_s":16.75,"end_s":17.0,"reference_s":16.75,"evidence":"目标是十九世纪时间线上方的白色衬线文字“Dirichlet’s theorem”和年份“1837”，不包含下箭头。16.50秒时文字仍被画面左边界裁切；16.75秒首次完整呈现，也是最后一个采样帧，因此区间截至视频结束17.00秒，无后续帧可检查。选择16.75秒作为关键帧，文字完整清晰且无遮挡。","start_frame":402,"end_frame":408,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[168.9,118.1,325.2,312.5],"positive_points":[[174,141],[317,151],[191,216],[303.7,224],[222.2,292.5],[274.4,272.6]],"negative_points":[[246.6,388],[288.1,500],[522.5,150.2],[146.5,243.1]],"evidence":"目标是左侧时间线上方的白色衬线文字“Dirichlet’s theorem”和年份“1837”。边界框紧贴这三行完整文字，不包含下方箭头或时间线；六个正点分布在各行字形笔画上，负点位于下方箭头、时间线、右侧其他事件文字及左侧外部背景。"}},{"name":"Dirichlet’s theorem event arrow","description":"White downward arrow under the “Dirichlet’s theorem” and “1837” block, pointing toward its date on the timeline.","membership":"Includes only the arrow shaft and head. Excludes the associated text, axis, and tick labels.","id":"obj_012","temporal":{"status":"found","start_s":16.5,"end_s":17.0,"reference_s":16.75,"evidence":"目标是“Dirichlet’s theorem / 1837”下方指向时间轴的白色向下箭头，仅含箭杆和箭头。首个合格帧为16.50秒，箭头已完整入画，关联文字仍有裁切不影响箭头本身；前一帧16.25秒尚未看到该箭头。最后合格帧为16.75秒，至视频结束仍完整可见，边界后无采样帧。选择16.75秒作为关键帧，因为箭头及关联事件均清晰，便于与其他箭头区分。","start_frame":396,"end_frame":408,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[238.28,343.75,255.86,468.75],"positive_points":[[246.58,355.9],[246.58,390.63],[246.58,425.35],[242.68,440.97],[250.98,440.97],[246.58,457.47]],"negative_points":[[246.58,286.46],[246.58,500],[222.17,399.31],[556.15,442.71]],"evidence":"目标是“Dirichlet’s theorem”和“1837”下方的白色向下箭头。边界框仅覆盖箭杆和箭头尖端；六个正点分布于箭杆及三角形箭头上，负点位于上方年份文字、下方时间轴、左侧背景及右侧另一事件箭头上。"}},{"name":"Riemann hypothesis event text","description":"White serif block reading “Riemann hypothesis” and “1859,” appearing between the Dirichlet and prime-number-theorem annotations.","membership":"Includes the complete event name and year as one text block. Excludes its arrow and the timeline.","id":"obj_013","temporal":{"status":"found","start_s":16.25,"end_s":17.0,"reference_s":16.5,"evidence":"目标是白色衬线体“Riemann hypothesis”和“1859”组成的完整文字块，不包括下方箭头及时间轴。首个合格帧为16.25秒，此前16.00秒帧中该文字尚未进入画面；至最后采样帧16.75秒仍完整可见，因此区间延续至视频结束17.00秒，之后无采样帧。选择16.50秒为关键帧，此时文字位于画面中部，清晰完整且无遮挡。","start_frame":390,"end_frame":408,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[292.5,118.9,452.2,312.5],"positive_points":[[311,138],[436,153],[298,215],[449,226],[345.7,293],[401,286]],"negative_points":[[372.6,387.2],[527,500],[263,219],[483,270]],"evidence":"目标是图中居中的白色衬线文字“Riemann hypothesis”及年份“1859”。边界框紧密覆盖完整三行文字，不包含下方箭头和时间轴。六个正点分布在各行文字的笔画上；负点位于下方箭头、时间轴及文字块左右的外部背景。"}},{"name":"Riemann hypothesis event arrow","description":"White downward arrow beneath the “Riemann hypothesis” and “1859” text, marking its date on the timeline.","membership":"Includes the white shaft and triangular arrowhead only. Excludes the event text and timeline axis.","id":"obj_014","temporal":{"status":"found","start_s":16.25,"end_s":17.0,"reference_s":16.75,"evidence":"目标是“Riemann hypothesis / 1859”文字下方指向时间轴的白色向下箭头，仅包括箭杆和三角箭头。首个完整可见帧为16.25秒，前一帧16.00秒中该箭头尚未进入画面。末个符合条件的帧为16.75秒，箭头仍完整可见；区间延续至视频结束，无后续采样帧。选择16.75秒作为关键帧，因为箭头位于画面中部、轮廓清晰且无遮挡。","start_frame":390,"end_frame":408,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[547.36,343.75,565.43,468.0],"positive_points":[[556.15,355.9],[556.15,388.89],[556.15,422.74],[551.76,441.84],[560.06,442.71],[556.15,458.33]],"negative_points":[[563.48,290.8],[570.31,499.13],[532.23,394.1],[578.61,419.27]],"evidence":"目标是“Riemann hypothesis”和“1859”下方的白色向下箭头。边界框紧贴箭杆与三角形箭头，不含文字或时间轴；六个正点分布在箭杆及箭头上，四个负点位于上方年份文字、下方时间轴及左右外部背景。"}}]}
+{"video_id":214,"video_type":"data and scientific visualization","targets":[{"name":"Product retrieval endpoint heading","description":"Heading above the code example reading “GET /products/:id - Retrieve details for product ID = 456”; the method and route are green and the explanation is white.","membership":"Includes the complete heading text. Excludes the background and the code panel below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":9,"reference_s":3,"evidence":"目标是代码面板上方的完整标题“GET /products/:id - Retrieve details for product ID = 456”，其中方法与路径为绿色，解释为白色。首个合格帧为0秒，标题已完整呈现；最后合格帧为8.75秒。区间起点即视频开头，无更早帧；紧邻的9秒帧已切换为网络架构图，标题消失。选择3秒帧作为关键帧，标题清晰完整且无遮挡。","start_frame":0,"end_frame":216,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[131.25,108.33,848.96,159.26],"positive_points":[[154.17,127.78],[358.33,127.78],[388.02,127.78],[595.83,125],[746.35,128.7],[842.19,142.59]],"negative_points":[[500,64.81],[156.25,194.44],[494.79,324.07],[906.25,129.63]],"evidence":"目标是代码面板上方的完整标题，绿色方法及路径与白色说明共同构成一行���边界框紧贴整行文字；六个正点分布在标题各段的字形笔画上，四个负点位于标题外背景及下方代码面板内。"}},{"name":"Product details JSON panel","description":"Rounded dark code panel showing a product response for “Wireless Headphones”, with productId 456, description, price, stock, categories, and a nested seller object for “ElectroMart”. A JSON document emblem occupies its lower-right corner.","membership":"Includes the panel surface, rounded boundary, line numbers, complete code contents, and JSON emblem. Excludes the heading, blue handwritten emphasis marks, and cursor indicators.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":9,"reference_s":2.75,"evidence":"目标为圆角深色代码面板，包含行号、Wireless Headphones（productId 456）的完整 JSON、ElectroMart seller 对象及右下角 JSON 图标。首个合格帧为 0.00 秒，面板已完整建立；视频起点之前无采样帧。最后合格帧为 8.75 秒，紧邻的 9.00 秒已切换为网络架构示意图，目标消失。选择 2.75 秒作为关键帧，此时蓝色手写标记已清除，面板边界与全部内容清晰可见。","start_frame":0,"end_frame":216,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[258,203,742,892],"positive_points":[[315,264],[463,338],[601,376],[418,523],[478,708],[665,790]],"negative_points":[[490,128],[205,480],[793,569],[510,942]],"evidence":"通过 Wireless Headphones 产品字段及 ElectroMart 嵌套卖家对象识别该面板。边界框覆盖完整深色圆角面板、边框、行号、代码和右下角 JSON 图标；正点分布于代码及图标等面板内容，负点位于上方标题和面板外部背景。"}},{"name":"Web and mobile client group","description":"Upper-left dashed rounded enclosure in the architecture diagram, containing a laptop labeled “Web browser” and a phone labeled “Mobile app”.","membership":"Includes the dashed enclosure boundary and its enclosed area, both device graphics, and their labels. Excludes connecting arrows and text outside the enclosure.","id":"obj_003","temporal":{"status":"found","start_s":9.0,"end_s":20.0,"reference_s":9.0,"evidence":"目标为架构图左上方的虚线圆角围框，内部含标注“Web browser”的笔记本和标注“Mobile app”的手机。9.0秒首次完整出现，至最后采样帧19.75秒持续完整可见；前一帧8.75秒仍为产品JSON展示，尚无该目标。区间延伸至视频结束20.0秒，之后没有采样帧。选择9.0秒作为关键帧，围框、设备和标签均清晰完整且无遮挡。","start_frame":216,"end_frame":480,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[171.35,75,456.77,351.85],"positive_points":[[257,177],[376,190],[260,289],[374,290],[311,79],[196,205]],"negative_points":[[577,186],[246,436],[233,699],[739,211]],"evidence":"目标是左上方包含“Web browser”笔记本和“Mobile app”手机的虚线圆角分组框。边界框紧贴整个虚线外缘，涵盖内部区域、设备及标签；正点分布在设备、标签、上边界和框内区域，负点位于框外连接箭头、HTTP文字、下方服务器及右侧DNS图形。"}},{"name":"DNS lookup request","description":"Right-pointing white arrow from the client enclosure toward DNS, labeled “app.demo.com”.","membership":"Includes the arrow shaft, arrowhead, and associated domain label. Excludes the client enclosure, DNS graphic, and return arrow below.","id":"obj_004","temporal":{"status":"found","start_s":9.0,"end_s":20.0,"reference_s":9.0,"evidence":"目标是从左侧客户端框指向右侧 DNS 的白色右箭头及其上方“app.demo.com”标签，不包括下方返回箭头。9.00 秒首次完整出现，前一帧 8.75 秒仍是产品 JSON 页面，未见目标；最后合格帧为 19.75 秒，箭头和标签持续完整可见，区间延伸至视频末尾 20.00 秒，无后续帧。选择 9.00 秒作为关键帧，目标清晰、无遮挡，与下方返回箭头易于区分。","start_frame":216,"end_frame":480,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[456.8,135.2,700.5,199.1],"positive_points":[[484.4,186.1],[614.6,186.1],[695.8,186.1],[537.5,162.0],[562.5,140.7],[624.0,153.7]],"negative_points":[[572.9,240.7],[739.6,166.7],[260.4,166.7],[599.0,92.6]],"evidence":"目标为客户端框右侧指向 DNS 的白色请求箭头及其上方“app.demo.com”标签。边界框紧贴标签、箭身和箭头；正点分布于文字笔画及箭身、箭头，负点位于下方返回箭头、DNS 图形、客户端电脑和上方外部背景，排除这些非目标内容。"}},{"name":"DNS address response","description":"Left-pointing white arrow from DNS back toward the clients, labeled “172.16.254.254”.","membership":"Includes the arrow shaft, arrowhead, and associated IP address text. Excludes the request arrow above and the graphics at its endpoints.","id":"obj_005","temporal":{"status":"found","start_s":9.0,"end_s":20.0,"reference_s":9.0,"evidence":"目标是从右侧 DNS 指向左侧��户端的白色返回箭头及其下方“172.16.254.254”文字，不含上方请求箭头。首个完整呈现帧为9.00秒，前一帧8.75秒仍是产品JSON页面，未见目标。目标持续完整可见至最后采样帧19.75秒，因此结束时间为20.00秒；视频结束后无相邻帧。选择9.00秒作为关键帧，箭头及IP文字清晰、无遮挡，易与上方请求箭头区分。","start_frame":216,"end_frame":480,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[456.3,227.8,700.5,285.2],"positive_points":[[461.5,240.7],[567.7,240.7],[677.1,240.7],[522.9,264.8],[582.3,264.8],[627.6,277.8]],"negative_points":[[583.3,186.1],[737.5,212],[376,191],[590,316]],"evidence":"目标为 DNS 返回客户端的左向白色箭头及其下方“172.16.254.254”标签。边界框紧贴箭头和完整 IP 文本；正点分布在箭头头部、箭杆及文字笔画上，负点位于上方请求箭头、DNS 图标、客户端手机和下方外部背景。"}},{"name":"DNS service graphic","description":"Upper-right blue DNS illustration with “DNS” lettering, a green directional symbol, colored bars, and a partial globe behind its right side.","membership":"Includes the complete DNS illustration and its embedded lettering, following the combined visible outline of the blue service symbol and globe. Excludes adjacent arrows and the table below.","id":"obj_006","temporal":{"status":"found","start_s":9.0,"end_s":20.0,"reference_s":9.0,"evidence":"目标是右上角含“DNS”字样、绿色方向符号和彩色短条的蓝色服务图标，以及其右侧局部地球，不含相邻箭头和下方表格。9.0秒首次完整出现，前一帧8.75秒仍为产品JSON页面，没有该目标；最后合格帧19.75秒中图标仍完整可见，因此区间延续至视频结束20.0秒，之后无采样帧。选择9.0秒作为关键帧，目标轮廓清晰且无遮挡。","start_frame":216,"end_frame":480,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[700.5,113,829.2,314.8],"positive_points":[[714,136],[754,162],[735,211],[727,280],[804,146],[825,214]],"negative_points":[[625,186],[630,241],[781,381],[854,212]],"evidence":"目标位于右上方，由带有“DNS”文字、绿色方向符号和彩色横条的蓝色服务图标及其右侧局部地球组成。边界框紧贴两部分的联合可见轮廓；六个正点分布在服务图标和地球弧线上，四个负点位于左侧相邻箭头、下方表格及右侧外部背景，不包含这些非目标元素。"}},{"name":"DNS mapping table","description":"White-outlined two-column table beneath the DNS graphic. Its first row maps “app.demo.com” to “172.16.254.254”, and its second row contains ellipses.","membership":"Includes the outer table boundary, enclosed surface, internal dividing lines, and all cell text. Excludes the DNS illustration above.","id":"obj_007","temporal":{"status":"found","start_s":9.0,"end_s":20.0,"reference_s":9.0,"evidence":"目标是 DNS 图示下方的白色边框两列表格，包含内部横竖分隔线，首行将 app.demo.com 映射到 172.16.254.254，次行为省略号。9.00 秒首次完整出现，前一帧 8.75 秒仍是产品 JSON 页面，没有该表格；最后合格帧为 19.75 秒，表格持续完整显示至视频结束，因此结束时间为 20.00 秒，之后无采样帧。选择 9.00 秒作为关键帧，表格结构及文字清楚、无遮挡。","start_frame":216,"end_frame":480,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[700.5,340.7,930.2,500],"positive_points":[[755.7,382.4],[875,380.6],[756.8,464.8],[871.9,464.8],[815.1,415.7],[921.9,484.3]],"negative_points":[[740.6,203.7],[671.9,410.2],[954.7,421.3],[812.5,551.9]],"evidence":"目标是DNS图标下方的白框两列表格，首行显示域名与IP映射，次行显示省略号。边界框紧贴表格外沿，包含内部表面、分隔线和全部文字。正点分布于两行单元格及分隔线，负点位于上方DNS插图和表格左、右、下方的外部背景。"}},{"name":"HTTP request connection","description":"Downward white arrow between the client group and server enclosure, with “HTTP” printed to its left.","membership":"Includes the downward shaft, arrowhead, and HTTP label. Excludes the enclosing client and server boundaries and the upward response connection.","id":"obj_008","temporal":{"status":"found","start_s":9.0,"end_s":20.0,"reference_s":9.0,"evidence":"目标是客户端组与服务器框之间向下的白色箭头及其左侧“HTTP”标签，不含右侧向上的响应箭头。9.00秒首次完整出现，前一帧8.75秒仍是产品JSON示例，没有该连接。最后合格帧为19.75秒，箭头和标签始终完整可见；区间延续至视频结束20.00秒，之后无采样帧。选择9.00秒作为关键帧，目标清晰且无遮挡。","start_frame":216,"end_frame":480,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[227.6,350.9,280.7,524.1],"positive_points":[[230.7,435],[243.5,427],[259,434],[272.9,380],[272.9,458],[277.1,509.3]],"negative_points":[[349.5,433.3],[304.7,527.8],[212,432.4],[237,347.2]],"evidence":"目标是客户端与服务器之间标有 HTTP 的向下白色连接。框覆盖 HTTP 标签、向下箭杆及箭头，不含两端虚线边界。正点分布在标签字形、箭杆和箭头上；负点位于右侧向上响应连接、客户端及服务器边界和左侧外部背景。"}},{"name":"HTML and JSON response connection","description":"Upward white arrow from the server enclosure to the clients, accompanied on its right by HTML5 and JSON document symbols.","membership":"Includes the upward arrow and the two adjacent response-format symbols. Excludes the downward HTTP arrow and the client and server enclosures.","id":"obj_009","temporal":{"status":"found","start_s":9.0,"end_s":20.0,"reference_s":9.0,"evidence":"目标是从服务器框向上指向客户端框的白色箭头，以及其右侧相邻的 HTML5 和 JSON 图标，不包含左侧向下的 HTTP 箭头。9.00 秒首次完整出现，前一帧 8.75 秒仍是产品 JSON 示例页，没有该连接。最后符合条件的帧为 19.75 秒，箭头与两个图标仍完整可见，因此区间延续至视频末尾 20.00 秒，之后无采样帧。选择 9.00 秒作为关键帧，目标结构清晰且无遮挡。","start_frame":216,"end_frame":480,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[342.2,348.1,425,524.1],"positive_points":[[349.5,357.4],[349.8,495.4],[367.7,418.5],[383.3,446.3],[406.3,417.6],[414.1,451.9]],"negative_points":[[272.9,435.2],[453.6,277.8],[390.6,527.8],[445.8,433.3]],"evidence":"目标为服务器通向客户端的白色向上响应箭头及右侧HTML5、JSON符号。边界框紧贴箭头和两个符号的整体范围；正点分布在箭头上端、下部及两个符号上，负点位于向下HTTP箭头、客户端与服务器虚线边框以及右侧外部背景，排除这些非目标内容。"}},{"name":"Single-server application group","description":"Lower-left dashed rounded enclosure containing a blue server stack labeled “Server”, connected internally to a yellow JS “Web app”, a blue cylindrical “Database”, and a red “Cache” symbol.","membership":"Includes the dashed boundary and its enclosed area, all four component graphics, their labels, and the internal connecting arrows. Excludes the external request and response connections, the IP caption below, and the explanatory text to the right.","id":"obj_010","temporal":{"status":"found","start_s":9.0,"end_s":20.0,"reference_s":9.0,"evidence":"目标是左下方虚线圆角围框，内部完整包含 Server、JS Web app、Database、Cache 图形、标签及连接箭头，不含外部请求/响应连线、下方 IP 和右侧说明。首个合格帧为9.00秒，前一帧8.75秒仍是产品JSON展示，没有该组。该组持续完整显示至最后采样帧19.75秒，因此区间结束于视频末尾20.00秒，无后续帧。选择9.00秒作为关键帧，目标结构清晰完整、无遮挡，右侧说明文字尚未出现。","start_frame":216,"end_frame":480,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[171.4,523.1,457,877.8],"positive_points":[[230,698],[330,597],[330,706],[329,806],[409,817],[174,749]],"negative_points":[[312,906],[273,440],[411,448],[520,703]],"evidence":"目标是左下方包含 Server、Web app、Database 和 Cache 的虚线圆角单服务器分组。边界框紧贴虚线外缘，覆盖内部区域、四个组件及标签和连接箭头。正点分布于组件、内部底面和左侧虚线；负点位于框外的 IP 注释、请求箭头、JSON 图标及右侧背景，排除外部连接和说明。"}},{"name":"Server IP caption","description":"White caption directly below the server enclosure reading “IP: 172.16.254.254”.","membership":"Includes the complete caption text only. Excludes the server enclosure and background.","id":"obj_011","temporal":{"status":"found","start_s":9.0,"end_s":20.0,"reference_s":9.0,"evidence":"目标是服务器虚线框正下方的完整白色文字“IP: 172.16.254.254”，不包括框体。首个合格帧为9.00秒，前一帧8.75秒仍为产品JSON页面，没有该字幕；最后合格帧为19.75秒，字幕持续完整可见至视频结束20.00秒，之后无采样帧。选择9.00秒作为关键帧，字幕清晰完整且无遮挡。","start_frame":216,"end_frame":480,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[241.7,893.5,386.5,919.0],"positive_points":[[243.8,904.6],[271.9,897.2],[290.6,896.3],[317.7,908.3],[338.5,896.3],[377.6,910.2]],"negative_points":[[230.0,906.0],[402.0,907.0],[312.0,943.0],[302.0,872.0]],"evidence":"目标是服务器虚线框正下方的白色“IP: 172.16.254.254”标题。边界框仅覆盖完整文字；六个正点分布在字母和数字笔画上，负点位于文字左右、下方背景及上方服务器框边线上。"}},{"name":"Single-server scalability prompt","description":"Large white text progressively revealed to the right of the server group: “Identify areas where a single server might fall short as user demand increases”. The phrases “single server” and “fall short” are bold.","membership":"Includes the complete revealed text block across both lines, maintaining the same subject as the sentence appears. Excludes the adjacent server diagram and background.","id":"obj_012","temporal":{"status":"found","start_s":14.5,"end_s":20.0,"reference_s":14.5,"evidence":"目标是服务器图右侧的两行白色提示文字，其中“single server”和“fall short”加粗。14.50秒首次完整显示整句，前一帧14.25秒仍只揭示到“user demand inc”，故不纳入。最后合格帧为19.75秒，文字保持完整；区间延伸至视频结束20.00秒，无后续帧。选择14.50秒作关键帧，因为文字完整清晰、无遮挡，且与左侧服务器图易于区分。","start_frame":348,"end_frame":480,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[467.7,642.6,949.5,749.1],"positive_points":[[470.8,664.8],[634.4,666.7],[780.2,663.0],[471.9,727.8],[521.9,728.7],[868.8,734.3]],"negative_points":[[330.0,600.0],[632.0,591.0],[694.0,811.0],[972.0,712.0]],"evidence":"目标是服务器图右侧的两行白色扩展性提示文字，包含加粗的“single server”和“fall short”。边界框紧贴完整两行文字；六个正点分布于两行文字的实际笔画上，负点位于左侧服务器图及文字块上方、下方和右侧的外部背景。"}}]}
+{"video_id":215,"video_type":"data and scientific visualization","targets":[{"name":"REST emblem","description":"Red circular emblem containing a white gear and yellow cloud, initially at the upper left of the protocol overview and later reduced to the upper-right corner.","membership":"Include the circular boundary, enclosed red field, gear, and cloud. Exclude the separate REST label, surrounding glow, and red emphasis arrow.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标为红色圆形边界及红底内的白色齿轮、黄色云朵，不含 REST 文字、光晕或强调箭头。首个合格帧为 0.00 秒；该徽章最初位于左上方，2.25 秒起缩小置于右上角，持续可见至最后一帧 14.75 秒，未见淡出或移出。区间到达视频首尾，两端均无额外相邻帧。选择 0.00 秒为关键帧，因为徽章较大、结构完整清晰且无遮挡。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[90.3,98.1,248.0,378.5],"positive_points":[[169.9,115.5],[170.9,158.9],[170.9,244.8],[226.6,270.8],[152.3,322.9],[169.4,374.1]],"negative_points":[[161.1,416.7],[58.6,225.7],[268.6,243.1],[488.3,260.4]],"evidence":"目标是左上方含白色齿轮和黄色云朵的红色圆形 REST 徽章。边界框紧贴圆形外缘，包含边框及内部图案，不含光晕和下方 REST 标签。正点分布在红底、齿轮、云朵和圆形边界上；负点位于下方标签、两侧外部背景及 SOAP 徽章上。"}},{"name":"REST label","description":"The text \"REST\" beneath the gear-and-cloud emblem, moving with it from the overview to the upper-right corner.","membership":"Include only the lettering; exclude the emblem and surrounding background.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标是齿轮与云朵徽章下方的“REST”字样，仅包含文字。它在0秒的总览中已完整显示，随后随徽章移至右上角，并持续到最后一个采样帧14.75秒，未见文字淡出或被裁切。区间覆盖视频首尾，两端均无额外相邻帧可检查。选择0秒作为关键帧，因为此时文字尺寸较大、清晰且无遮挡，便于单独标注。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[114.7,389.8,209,443.6],"positive_points":[[118.2,416.7],[124,397.6],[142.6,415.8],[170.9,399.3],[170.9,436.6],[196.3,418.4]],"negative_points":[[170,250],[105,415],[226,420],[161,470]],"evidence":"目标是左上方齿轮与云朵徽标下的黑色“REST”文字。边界框紧贴完整四个字母，仅覆盖文字块；六个正点分布在字母笔画上，负点位于上方徽标及文字左、右、下方的外部背景。"}},{"name":"SOAP emblem","description":"Yellow circular graphic at the upper center of the overview, containing an envelope with cartoon eyes and a smile.","membership":"Include the disk, its outline, and the complete envelope character, including any portions extending beyond the disk. Exclude the SOAP label and outer glow.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0.5,"evidence":"目标是总览上方中央的黄色圆盘及带卡通眼睛、笑脸的信封角色，不含 SOAP 文字和外发光。首个合格帧为 0.00 秒，结构已完整；最后合格帧为 2.00 秒。视频起点前无采样帧；紧邻的 2.25 秒帧已切换为 REST API 介绍，目标消失。选择 0.50 秒作为关键帧，目标清晰完整且无遮挡。","start_frame":0,"end_frame":54,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[413.6,118.1,580.1,407.1],"positive_points":[[496,145],[484,183],[510,185],[465,249],[521,344],[569,259]],"negative_points":[[490,441],[389,266],[605,280],[500,86]],"evidence":"目标是图像上方中央带卡通眼睛和微笑信封的黄色 SOAP 圆形徽章。边界框覆盖圆盘、黑色轮廓及完整信封角色，包括略突出圆盘的部分，不含下方 SOAP 文字或外部光晕。正点分布在圆盘、双眼和信封上；负点位于下方标签及徽章外侧背景。"}},{"name":"SOAP label","description":"The text \"SOAP\" beneath the yellow envelope emblem.","membership":"Include only the lettering, excluding the adjacent emblem and background.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0,"evidence":"目标是黄色信封图标下方的黑色“SOAP”文字，仅包含字母。首个合格帧为0.00秒，文字已完整显示；最后合格帧为2.00秒。2.25秒画面切换为REST API介绍，“SOAP”文字消失。区间从视频起点开始，没有更早的采样帧。选择0.00秒作为关键帧，文字清晰完整且无遮挡。","start_frame":0,"end_frame":54,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[447.3,414.9,544.4,467.0],"positive_points":[[460.0,422.7],[459.0,460.1],[475.1,442.7],[508.3,447.9],[528.8,449.7],[540.5,428.8]],"negative_points":[[488.3,316.8],[433.6,440.1],[561.0,442.7],[498.0,500.0]],"evidence":"目标是图像上方中央黄色信封徽标下的黑色“SOAP”文字。边界框紧贴完整四个字母；六个正点分布在字母的实际笔画上，四个负点位于上方徽标及文字左、右、下方的外部背景，排除徽标和背景。"}},{"name":"gRPC emblem","description":"Cyan circular graphic at the upper right of the overview, containing a white bidirectional connection symbol.","membership":"Include the circle's boundary and entire enclosed graphic. Exclude the gRPC label and surrounding glow.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0,"evidence":"目标是总览右上角的青色圆形徽章，内含白色双向连接符号，不含下方gRPC文字和外围光晕。首个合格帧为0.00秒，圆形及内部图案已完整显示；最后合格帧为2.00秒。2.25秒切换到REST API介绍画面，目标消失。区间始于视频开头，没有更早的相邻帧。选择0.00秒作为关键帧，目标清晰完整且无遮挡。","start_frame":0,"end_frame":54,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[759.8,127.6,915.5,403.6],"positive_points":[[810.5,177.1],[869.1,182.3],[789.6,261.3],[883.3,261.3],[810.5,347.2],[877.9,343.8]],"negative_points":[[844.2,440.1],[835.0,86.8],[732.4,260.4],[942.4,277.8]],"evidence":"目标是右上方含白色双向连接符号的青色圆形徽标。边界框紧贴圆形外缘，包含边界及全部内部图形，不含周围光晕和下方 gRPC 标签。正点分布于圆内青色区域及白色符号，负点位于下方标签和圆外背景。"}},{"name":"gRPC label","description":"The text \"gRPC\" beneath the cyan connection emblem.","membership":"Include only the lettering; exclude the emblem.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0.5,"evidence":"目标是右上方青色连接图标下的“gRPC”字样，仅包含文字。首个合格帧为0.00秒，文字已完整显示；最后合格帧为2.00秒。2.25秒画面切换为REST API介绍，目标消失。区间始于视频开头，无更早采样帧。选择0.50秒作为关键帧，文字清晰、无遮挡，易与上方图标区分。","start_frame":0,"end_frame":54,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[797.4,413.2,883.8,483.5],"positive_points":[[801.8,443.6],[805.7,477.4],[821.8,435.8],[834.0,455.7],[844.7,446.2],[864.3,452.3]],"negative_points":[[837.4,303.8],[913.1,442.7],[761.7,442.7],[839.8,529.5]],"evidence":"目标是右上方青色连接图标下的“gRPC”文字。边界框紧贴完整字母范围，不包含上方图标；六个正点分布在各字母笔画上，四个负点位于图标及文字左、右、下方的外部背景。"}},{"name":"GraphQL emblem","description":"Pink circular graphic at the lower left of the overview, containing a connected geometric network of pink nodes.","membership":"Include the circular rim, enclosed field, and node-and-line design. Exclude the GraphQL label and surrounding glow.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0,"evidence":"目标是概览左下角的粉色圆形 GraphQL 徽章，包含圆边、内部底色及节点连线，不含下方文字与外围光晕。首个合格帧为0.00秒，最后为2.00秒，期间结构完整且持续可见；2.25秒切换到REST API介绍画面，徽章消失。区间始于视频开头，没有更早的采样帧。选择0.00秒作为关键帧，因徽章清晰完整、无遮挡。","start_frame":0,"end_frame":54,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[18.6,577.3,185.5,874.1],"positive_points":[[100,626],[52,679],[149,679],[101,822],[99,716],[22,726]],"negative_points":[[166,917],[210,708],[101,525],[360,720]],"evidence":"目标是左下角的 GraphQL 粉色圆形徽标。边界框紧贴圆形外缘，包含圆框、内部底色及节点连线，不含外围光晕和下方标签。六个正点分布在圆框、内部区域和节点上；负点位于下方标签、外部背景及右侧其他徽标。"}},{"name":"GraphQL label","description":"The text \"GraphQL\" beneath the pink network emblem.","membership":"Include only the lettering; exclude the emblem and background.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0,"evidence":"目标是左下方粉色网络徽标下的黑色“GraphQL”文字，仅包含字母。首个合格帧为0.00秒，文字已完整显示；最后合格帧为2.00秒。2.25秒切换到REST API介绍画面，该文字消失。区间到达视频起点，之前没有采样帧。选择0.00秒为关键帧，文字清晰完整、无遮挡，易与上方徽标区分。","start_frame":0,"end_frame":54,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[30.3,871.5,189.5,942.7],"positive_points":[[35.2,908.9],[87.4,909.7],[101.1,928.8],[119.6,899.3],[149.4,881.1],[169.4,907.1]],"negative_points":[[103,725],[210,909],[105,973],[16,910]],"evidence":"目标是左下方粉色网络徽标下的“GraphQL”文字。边界框紧贴完整文字，正点分布在不同字母的黑色笔画上；负点位于上方徽标及文字左侧、右侧和下方的外部背景，不包含字母内部空隙。"}},{"name":"WebRTC emblem","description":"Black circular graphic in the lower row of the overview, with overlapping colored circles behind a white speech bubble.","membership":"Include the outer circle and all enclosed colored shapes and speech-bubble content. Exclude the label and outer glow.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0,"evidence":"目标是概览下排的黑色圆形 WebRTC 图案，内部有重叠彩色圆和白色对话气泡，不含下方标签及外发光。首个合格帧为0.00秒，结构已完整；最后合格帧为2.00秒。2.25秒切换至REST API介绍，目标消失。区间从视频起点开始，无更早采样帧。选择0.00秒为关键帧，图案完整清晰且无遮挡。","start_frame":0,"end_frame":54,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[283.2,575.5,451.7,874.1],"positive_points":[[366.2,624.1],[305.2,697.9],[429.2,699.7],[363.3,729.2],[397.9,815.1],[437.5,800.3]],"negative_points":[[363.3,913.2],[257.3,719.6],[482.9,719.6],[363.3,524.3]],"evidence":"目标是下排中央偏左、webRTC文字上方的黑色圆形徽标，内部有彩色重叠圆和白色对话气泡。边界框紧贴圆形主体，包含全部内部图形，不含外部光晕和下方标签。正点分布在黑色底、彩色区域及白色气泡上；负点位于周围背景和下方标签处。"}},{"name":"webRTC label","description":"The text \"webRTC\" beneath the multicolored speech-bubble emblem.","membership":"Include only the lettering, excluding the emblem.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0,"evidence":"目标是多彩对白气泡徽标下方的“webRTC”文字，仅包含字母。首个合格帧为0秒，文字已完整显示；最后合格帧为2秒。2.25秒切换到REST API介绍画面，该文字消失。区间起点即视频开头，没有更早帧。选择0秒作为关键帧，文字清晰完整且无遮挡。","start_frame":0,"end_frame":54,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[295.9,881.1,439.5,937.5],"positive_points":[[302.2,914.9],[328.1,901.9],[346.2,893.2],[368.7,909.7],[402.3,908.9],[419.4,914.1]],"negative_points":[[364,756],[367,967],[272,911],[464,912]],"evidence":"目标是下排多彩气泡徽标下方的“webRTC”文字。边界框紧贴完整 lettering，排除上方徽标；六个正点分别落在各字母笔画上，四个负点位于徽标及文字左、右、下方的外部背景。"}},{"name":"Webhooks emblem","description":"Yellow circular graphic in the lower row, containing a three-part hooked connection symbol in magenta and dark gray.","membership":"Include the circular boundary, enclosed yellow field, and complete hook design. Exclude the Webhooks label and surrounding glow.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0,"evidence":"目标是下排偏右的黄色圆形徽标，黑色圆边内有洋红色与深灰色三钩连接图案，不包含下方 Webhooks 文字及外部光晕。首个合格帧为 0.00 秒，图案已完整呈现；最后合格帧为 2.00 秒。2.25 秒已切换为 REST API 介绍画面，目标消失。区间到达视频起点，无更早采样帧。选择 0.00 秒作为关键帧，徽标清晰完整且无遮挡。","start_frame":0,"end_frame":54,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[546.4,567.7,717.8,873.3],"positive_points":[[633.3,606.8],[592.3,759.5],[669.0,762.2],[633.8,847.2],[692.9,667.5],[638.2,674.5]],"negative_points":[[629.9,911.5],[507.8,711.8],[634.8,513.9],[366.2,720.5]],"evidence":"目标是下排的黄色圆形 Webhooks 图徽，内含洋红色和深灰色三向钩状连接符号。边界框紧贴圆形外边界，包含黄色底面及完整钩形，不含周围光晕和下方文字。正点分布在钩形及黄色区域；负点位于下方标签、圆外背景和左侧其他图标。"}},{"name":"Webhooks label","description":"The text \"Webhooks\" beneath the yellow hook emblem.","membership":"Include only the lettering; exclude the emblem.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0,"evidence":"目标是黄色钩状徽标下方的“Webhooks”字样，仅包含文字，不含徽标。首个合格帧为0.00秒，文字已完整呈现；最后合格帧为2.00秒。2.25秒切换到REST API介绍画面，该文字消失。区间始于视频开头，没有更早的采样帧。选择0.00秒为关键帧，文字清晰完整且无遮挡。","start_frame":0,"end_frame":54,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[547.9,877.6,718,930.6],"positive_points":[[556.6,916.7],[591.3,899.3],[607.4,891.5],[627.9,894.1],[670.9,923.6],[710,897.6]],"negative_points":[[632,803],[635,960],[530,914],[740,907]],"evidence":"目标是黄色钩状徽标下方的“Webhooks”文字。边界框紧贴完整 lettering，六个正点分布在不同字母的笔画上；负点位于上方徽标及文字左右、下方的外部背景，不包含字母内部空隙。"}},{"name":"WebSocket emblem","description":"Outlined circle at the lower right of the overview containing an orange interlocking angular symbol.","membership":"Include the circular boundary, the area it encloses, and the orange symbol, including its small extension beyond the circle. Exclude the WebSocket label.","id":"obj_013","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0,"evidence":"目标为概览右下方的黑色圆形边界及其中橙色交错角状符号，包括伸出圆外的小部分，不含下方 WebSocket 文字。首个合格帧为 0.00 秒，最后合格帧为 2.00 秒，期间持续完整可见；2.25 秒已切换到 REST API 介绍画面，目标消失。区间始于视频开头，无更早采样帧。选择 0.00 秒作关键帧，目标清晰完整且无遮挡。","start_frame":0,"end_frame":54,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[801.8,582.5,968.3,877.6],"positive_points":[[884,587],[854.5,656.3],[917,722.2],[903.3,816],[878,618.1],[826.2,789.1]],"negative_points":[[888.7,920.1],[981.4,720.5],[878.9,536.5],[771.5,730.9]],"evidence":"目标是右下方含橙色交锁折线符号的圆形徽标。边界框覆盖圆周、内部区域及橙色符号伸出圆周的小部分，不含下方 WebSocket 标签。正点分布于圆周、橙色符号和圆内底色；负点位于下方标签及圆外上方、左右背景。"}},{"name":"WebSocket label","description":"The text \"WebSocket\" beneath the orange angular emblem.","membership":"Include only the lettering; exclude the adjacent circular graphic.","id":"obj_014","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0,"evidence":"目标是画面右下方橙色角状徽标下的“WebSocket”文字，仅含字母，不含圆形图案。首个合格帧为0.00秒，文字已完整显示；最后合格帧为2.00秒。2.25秒切换为REST API介绍画面，目标消失。区间始于视频开头，没有更早的采样帧。选择0.00秒作为关键帧，文字清晰且无遮挡。","start_frame":0,"end_frame":54,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[794.4,891.5,998.5,948.8],"positive_points":[[798.8,911.5],[844.7,941.8],[859.9,907.1],[888.2,902.8],[945.8,908.9],[991.2,931.4]],"negative_points":[[887.7,737.8],[776.4,920.1],[888.7,980.9],[979.0,874.1]],"evidence":"目标是右下方橙色角状徽标下的“WebSocket”文字。边界框紧贴完整单行文字，仅覆盖标签范围；六个正点分布在不同字母的笔画上，负点位于上方图形及文字外围背景，排除了相邻圆形图案。"}},{"name":"Thinking stick figure","description":"Black line-drawn figure on the left of the REST introduction, with a puzzled face and one hand held against its mouth.","membership":"Include the complete figure, its enclosed head and facial features, limbs, hands, feet, and hair strokes. Exclude the question mark above it and nearby text.","id":"obj_015","temporal":{"status":"found","start_s":2.25,"end_s":4.75,"reference_s":3.0,"evidence":"目标是REST介绍左侧黑色线描、表情疑惑且一只手抵住嘴部的完整火柴人，不包括上方问号。首个合格帧为2.25秒，人物结构已完整，附近图标和文字的淡入不影响判断；最后合格帧为4.50秒。前一帧2.00秒仍为协议图标总览，后一帧4.75秒已换成蓝色坐姿人物。选择3.00秒作为关键帧，人物清晰完整、无遮挡，便于独立标注。","start_frame":54,"end_frame":114,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[163.6,269.1,266.2,963.5],"positive_points":[[195.8,352.4],[222.6,399.3],[257.3,520.8],[188.0,726.6],[211.0,850.7],[225.1,959.0]],"negative_points":[[206.5,223.1],[416.5,480.0],[146.5,651.0],[288.1,694.4]],"evidence":"目标是左侧手抵嘴部、表情困惑的黑色线条人物。边界框覆盖头发、完整头部和五官、双臂与手、躯干、双腿及脚，不含上方问号。正点分布于头部、嘴边的手、弯曲手臂、下垂手、腿和脚；负点位于问号、右侧文字及人物两侧的外部空白。"}},{"name":"Question mark","description":"Large black question mark independently positioned above the puzzled figure.","membership":"Include the curved stroke and its dot only; exclude the figure below.","id":"obj_016","temporal":{"status":"found","start_s":2.25,"end_s":4.75,"reference_s":3.0,"evidence":"目标为困惑人物头顶独立的黑色问号，仅含弯曲笔画和圆点。2.25秒已完整清晰出现，最后符合条件的帧为4.50秒；前一帧2.00秒仍是协议图标总览，没有问号，后一帧4.75秒已替换为坐在桌边的人物，问号消失。选择3.00秒作为关键帧，问号完整、无遮挡且与人物分离。","start_frame":54,"end_frame":114,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[190.4,101.6,225.6,232.6],"positive_points":[[192.4,128.5],[210.0,105.0],[223.6,118.9],[212.4,151.0],[198.7,183.2],[206.5,224.0]],"negative_points":[[166.0,182.3],[249.0,130.2],[207.0,256.1],[195.3,347.2]],"evidence":"目标是困惑人物头顶独立的大黑色问号。边界框紧贴问号的弯曲笔画及下方圆点，不包含人物。六个正点分布在弯曲笔画和圆点上；负点位于问号外围背景及下方人物上。"}},{"name":"REST API computer graphic","description":"Upper-center illustration of a yellow-screen desktop monitor with a red gear and a cyan cloud marked \"API\".","membership":"Include the complete monitor, stand, gear, cloud, outlines, and internal API lettering. Follow the composite silhouette rather than filling its exterior gaps. Exclude the separate REST API caption below.","id":"obj_017","temporal":{"status":"found","start_s":2.5,"end_s":11.5,"reference_s":5.0,"evidence":"目标是画面上方中央由黄色屏幕显示器、底座、红色齿轮和带“API”字样的青色云组成的图形，不含下方独立字幕。首个完整呈现帧为2.50秒，2.25秒仍在淡入；最后合格帧为11.25秒，11.50秒已开始淡出，因此区间为[2.50,11.50)。选择5.00秒作为关键帧，图形完整清晰、无遮挡，便于沿组合轮廓标注。","start_frame":60,"end_frame":276,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[437.0,25.2,557.2,234.4],"positive_points":[[535.6,73.8],[514.6,79.0],[448.2,134.5],[527.8,153.6],[480.5,176.2],[503.9,221.4]],"negative_points":[[478.0,251.0],[424.8,120.7],[498.0,10.4],[573.7,151.0]],"evidence":"目标位于图像上方中央，由黄色屏幕显示器、红色齿轮及带API字样的青色云组成。边界框紧贴完整图形，包含支架和轮廓，不含下方独立的REST API标题。正点分布于云、API字母、齿轮、屏幕、显示器下边框和底座；负点位于下方标题及图形外围背景。"}},{"name":"REST API caption","description":"The text \"REST API\" immediately beneath the monitor-and-cloud illustration.","membership":"Include only the caption lettering; exclude the illustration and downward arrow.","id":"obj_018","temporal":{"status":"found","start_s":2.5,"end_s":11.5,"reference_s":5.0,"evidence":"目标是显示器与云朵插图正下方的“REST API”字母，不包含插图或向下箭头。首个完整清晰帧为2.50秒，最后合格帧为11.25秒；此前2.25秒文字仍在淡入，此后11.50秒文字已开始淡出。选择5.00秒作为关键帧，因为字幕清晰完整、无遮挡，且周围元素较少。","start_frame":60,"end_frame":276,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[460.4,241.3,544.5,267.4],"positive_points":[[462.4,254.3],[475.1,262.2],[486.8,244.8],[499.0,256.1],[516.1,260.4],[540.0,252.6]],"negative_points":[[497.6,217.9],[449.2,256.1],[501.0,286.5],[555.2,253.5]],"evidence":"目标是显示器与云朵插图正下方的“REST API”标题。边界框紧贴整段字幕字母，六个正点分布在各处字母笔画上；负点位于上方插图底座以及字幕左右和下方的外部背景，排除了插图。"}},{"name":"Curved introduction arrow","description":"Black curved arrow pointing from beneath the REST API illustration toward the introductory question.","membership":"Include the curved shaft and arrowhead only; exclude the illustration and question text.","id":"obj_019","temporal":{"status":"found","start_s":2.25,"end_s":4.75,"reference_s":3.0,"evidence":"目标是 REST API 插图下方、弯向“What is a REST API?”问题的黑色箭头，仅包含弯曲箭杆和箭头。2.25 秒时其结构已完整显示，虽邻近插图和文字仍在淡入，箭头本身已清晰；最后符合条件的帧为 4.50 秒。前一帧 2.00 秒仍是协议图标总览，没有该箭��；后一帧 4.75 秒已切换为就餐示意，箭头消失。选择 3.00 秒作为关键帧，箭头清晰完整且无遮挡。","start_frame":54,"end_frame":114,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[459.5,289.1,544,433.2],"positive_points":[[481,295.1],[500,307.3],[516.1,337.7],[525.9,381.1],[517.6,407.1],[534.7,414.1]],"negative_points":[[505.4,218.8],[522.5,475.7],[561.5,351.6],[437.5,334.2]],"evidence":"目标是 REST API 插图下方、弯向介绍性问题的黑色箭头。边界框紧贴弯曲箭杆及箭头尖端，不包含插图或文字。六个正点分布在箭杆和箭头两翼上；负点位于上方插图、下方问题文字及左右外部背景。"}},{"name":"REST API question title","description":"Large two-line title reading \"What is a REST API?\" in the central portion of the introduction.","membership":"Include both lines as one text block. Exclude the curved arrow, monitor graphic, and stick figure.","id":"obj_020","temporal":{"status":"found","start_s":2.75,"end_s":4.75,"reference_s":3.5,"evidence":"目标是中央两行文字“What is a / REST API?”，不包括箭头、显示器或人物。2.75秒文字已完整显现，首次符合条件；此前2.50秒文字仍呈深灰色，处于淡入阶段。最后符合条件的帧为4.50秒，4.75秒标题已消失并切换为用餐人物画面。选择3.50秒作为关键帧，标题清晰完整且无遮挡。","start_frame":66,"end_frame":114,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[405.8,449.7,593.8,588.5],"positive_points":[[413.1,477.4],[491.7,473.1],[561.5,486.1],[409.7,564.2],[483.4,543.4],[565.4,566.8]],"negative_points":[[527.3,415.8],[512.7,141.5],[217.3,351.6],[610.4,625.0]],"evidence":"目标是图像中央的两行标题“What is a REST API?”，边界框完整覆盖两行文字及行间空隙。六个正点分布在两行的实际字形笔画上；负点位于上方弯箭头、显示器图案、左侧人物及标题右下方外部空白，均不属于标题。"}},{"name":"Seated customer pictogram","description":"Blue pictogram at the lower left of the restaurant analogy, showing a person seated on a chair at a table.","membership":"Include the person, chair, and table as the complete compact pictogram, following their actual silhouettes and leaving the spaces between them unfilled. Exclude the independently moving waiter.","id":"obj_021","temporal":{"status":"found","start_s":4.75,"end_s":12.0,"reference_s":5.0,"evidence":"目标是餐厅类比场景左下方的蓝色顾客图标，包含坐着的人、椅子和桌子，不含棕色服务员。首个合格帧为4.75秒，结构已完整；此前4.50秒仍是思考人物场景，尚无该图标。最后合格帧为11.75秒，虽被移动的服务员部分遮挡，但可确认持续存在；12.00秒已切换为站立讲解人物，目标消失。选择5.00秒作为关键帧，图标完整清晰且无遮挡。","start_frame":114,"end_frame":288,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[74.7,506.1,296.4,906.3],"positive_points":[[118.7,552.9],[110.8,697.9],[190.4,847.2],[122.1,806.4],[275.9,724.0],[228.0,838.5]],"negative_points":[[54.7,651.0],[322.3,781.3],[170.9,954.9],[497.1,138.9]],"evidence":"目标是左下角蓝色的坐姿顾客图标。边界框紧贴人物、椅子及桌子的完整可见轮廓；六个正点分布在头部、躯干、腿部、椅座、桌面和桌腿上。负点位于图标外围白色背景及上方独立的 REST API 图标上，不标记图标内部空隙。"}},{"name":"Restaurant kitchen illustration","description":"Rectangular illustrated kitchen at the lower right of the restaurant analogy, with a wooden counter, cookware, hanging utensils, bottles, vegetables, and dishes.","membership":"Include the complete rectangular illustration and all of its contents. Exclude the waiter graphic that passes in front of it and the surrounding white slide background.","id":"obj_022","temporal":{"status":"found","start_s":6.25,"end_s":12.0,"reference_s":6.5,"evidence":"目标是餐厅类比画面右下方的矩形厨房插图，包含木质台面、悬挂厨具、瓶子、蔬菜和餐具，不包括前方经过的服务员。首个合格帧为6.25秒，插图已完整呈现；前一帧6.00秒尚未出现。最后合格帧为11.75秒，随后12.00秒切换为人物讲解画面，厨房消失。选择6.50秒作为关键帧，此时插图清晰且没有服务员遮挡。","start_frame":150,"end_frame":288,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[777.34,565.97,1000,845.49],"positive_points":[[801,626],[838,653],[939,658],[924,730],[816,801],[949,809]],"negative_points":[[754,704],[887,539],[891,877],[229,814]],"evidence":"目标是右下角包含木柜台、悬挂厨具、瓶罐、蔬菜和餐盘的矩形厨房插画。边界框紧贴整幅插画，右边到达图像边缘；正点分布在厨具、瓶罐、蔬菜及柜台上，负点位于插画外的白色背景和左侧蓝色桌子上。"}},{"name":"Moving waiter pictogram","description":"Rust-brown waiter silhouette with a white shirt opening, one arm bent at the waist, and the other supporting a covered serving tray; moves between the customer and kitchen.","membership":"Include the complete waiter silhouette and covered tray, preserving their true outlines and open gaps. Exclude the customer, table, and kitchen behind it.","id":"obj_023","temporal":{"status":"found","start_s":6.75,"end_s":12.0,"reference_s":8.25,"evidence":"目标是带白色衬衫开口、单臂托着带盖餐盘的锈棕色服务员剪影。6.75秒首次完整出现，随后在顾客与厨房之间移动，11.75秒仍完整可见；此前6.50秒只有顾客和厨房，之后12.00秒场景切换，服务员消失。选择8.25秒作为关键帧，因为服务员及餐盘轮廓清晰，与顾客、桌子和厨房均无重叠。","start_frame":162,"end_frame":288,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[397.5,543.4,585,822.1],"positive_points":[[449,584],[412,710],[470,729],[465,803],[529,680],[544,620]],"negative_points":[[183,819],[230,724],[850,700],[640,570]],"evidence":"目标是顾客与厨房之间的 rust-brown（锈棕色）侍者图标，带白色衬衫开口并托着有盖餐盘。边界框紧贴头部、躯干、双臂及完整餐盘的可见外缘；六个正点分布于这些实色部位，四个负点位于顾客、桌子、厨房和目标外部白色背景，避开内部开口与间隙。"}},{"name":"Presenting stick figure","description":"Smiling black line-drawn figure on the left of the later explanation, with one hand at its hip and the other extended toward the app-and-server diagram.","membership":"Include the complete figure, enclosed head and facial features, hair, limbs, hands, and feet. Exclude the nearby app graphic and other diagram elements.","id":"obj_024","temporal":{"status":"found","start_s":12.0,"end_s":15.0,"reference_s":14.75,"evidence":"目标是左侧微笑的黑色线绘人物，一手叉腰、另一手伸向右侧图示，头部、五官、头发及四肢均完整。首个合格帧为12.00秒，前一帧11.75秒仍是顾客与服务员场景，未出现该人物。最后合格帧为14.75秒，人物持续完整可见；区间延伸至视频结束15.00秒，无后续采样帧。选择14.75秒作为关键帧，人物无遮挡，且旁边的应用与服务器图示清楚表明其介绍者角色。","start_frame":288,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[56.6,207.5,241.2,870.7],"positive_points":[[96.7,289.1],[113.6,477.4],[63.0,526.9],[227.1,449.0],[92.4,742.2],[137.2,866.3]],"negative_points":[[32.2,518.2],[193.4,722.2],[343.8,519.1],[737.3,523.4]],"evidence":"目标是左侧微笑、单手叉腰且另一手伸向应用图的黑色线描人物。框覆盖完整头部、头发、面部、躯干、双臂、手和双腿双脚。正点分布在面部、躯干、弯曲手臂、伸出的手、腿和脚上；负点位于人物外部白色背景及明确排除的应用和服务器图形上。"}},{"name":"Mobile app graphic","description":"Upright smartphone illustration beside the presenting figure, with a dark rounded casing and blue interface containing a profile panel, colored circular items, and bottom buttons.","membership":"Include the phone's complete outer boundary, casing, screen, and all interface contents. Exclude the separate app caption and orange communication arrows.","id":"obj_025","temporal":{"status":"found","start_s":14.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是演示人物右侧的直立手机，具有深色圆角外壳、蓝色界面、头像面板和彩色圆形条目，不包括下方 app 字样及橙色箭头。14.25 秒开始淡入，紧邻起点的 14.50 秒手机仍呈淡入中的灰淡状态；14.75 秒外壳和界面完整清晰，为首个及最后一个符合条件的采样帧，也选作关键帧。区间到达视频末尾，之后没有采样帧，未观察到退出。","start_frame":354,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[287.6,332.5,406.3,701.4],"positive_points":[[348,362],[350,426],[294,505],[380,524],[327,610],[379,664]],"negative_points":[[342,737],[540,500],[430,430],[166,487]],"evidence":"目标是人物右侧、橙色箭头左侧的蓝屏手机。边界框紧贴手机完整外轮廓，涵盖深色机壳、屏幕及全部界面内容，不包含下方“app”文字。正点分布于顶部、资料面板、侧边机壳、屏幕、紫色圆形项和底部按钮；负点位于独立标题、橙色箭头、外部白色背景及人物手臂。"}},{"name":"app caption","description":"The lowercase text \"app\" directly below the smartphone illustration.","membership":"Include only the caption lettering; exclude the phone.","id":"obj_026","temporal":{"status":"found","start_s":14.5,"end_s":15.0,"reference_s":14.75,"evidence":"目标是手机插图正下方的小写“app”字样，仅包含文字。14.25秒文字仍处于淡入状态；14.5秒首次完整清晰呈现，最后一个合格采样帧为14.75秒，持续至视频结束15.0秒，边界之后无采样帧。选择14.75秒作��关键帧，字形清晰、无遮挡，易于与手机区分。","start_frame":348,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[322.8,720.5,361,756.1],"positive_points":[[324.7,733.5],[332.5,737.8],[339.8,747.4],[346.2,731.8],[352.5,747.4],[358.9,732.6]],"negative_points":[[350,675],[307,738],[380,738],[342,780]],"evidence":"目标是手机插图正下方的小写“app”。边界框紧贴三个字母的完整范围，包括两个 p 的下伸笔画；正点分布在字母笔画上，负点位于手机内部及文字左、右、下方的外部背景，排除手机和周围空白。"}},{"name":"Bidirectional communication arrows","description":"Pair of orange horizontal arrows between the mobile app and server, with the upper arrow pointing right and the lower arrow pointing left.","membership":"Include both shafts and arrowheads as one exchange symbol, retaining the open space between them. Exclude the app, server, and captions.","id":"obj_027","temporal":{"status":"found","start_s":14.25,"end_s":15.0,"reference_s":14.75,"evidence":"目标是手机应用与服务器之间的橙色双向交换符号，上箭头向右、下箭头向左。14.25秒两支箭头的箭身和箭头均已完整呈现，邻近手机仍在淡入不影响目标；此前14.00秒尚无箭头。最后合格帧为14.75秒，目标持续至视频结束，之后无采样帧。选择14.75秒作为关键帧，双箭头清晰无遮挡，且应用与服务器的位置关系明确。","start_frame":342,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[452.6,442,630,659.7],"positive_points":[[488.3,500],[600.6,467.9],[601.6,530.4],[581.1,602.4],[477.1,574.7],[477.5,632.8]],"negative_points":[[349,510],[744,510],[536,402],[540,708]],"evidence":"目标是手机应用与服务器之间的两条橙色箭头，上方朝右、下方朝左。边界框紧贴两条箭头的整体外缘，涵盖箭杆和箭头并保留中间空隙。六个正点分布在两条箭杆及箭头斜边上；负点位于手机、服务器以及箭头组上方和下方的外部背景。"}}]}
+{"video_id":216,"video_type":"data and scientific visualization","targets":[{"name":"Stick-figure presenter","description":"Smiling black-line stick figure on the left of the opening HTTP-method overview, with one hand extended toward the examples.","membership":"Includes the complete figure, its facial features, and the area enclosed by its head and other closed outlines. Excludes all nearby text and diagrams.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":2.5,"reference_s":0,"evidence":"目标是开场左侧微笑、单手伸向 HTTP 方法示例的黑线火柴人。首个合格帧为 0.00 秒，人物已完整呈现；最后合格帧为 2.25 秒，人物仍完整可见。区间起点即视频开头，没有更早采样帧；紧邻的 2.50 秒帧已替换为使用笔记本电脑的人物图标，原火柴人消失。选择 0.00 秒作为关键帧，因完整轮廓及面部清晰、无遮挡。","start_frame":0,"end_frame":60,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[22.9,125.9,231.4,874.1],"positive_points":[[75,220],[87.2,425],[214,404],[30,486],[41,865],[110,863]],"negative_points":[[180,630],[18,80],[346,349],[648,277]],"evidence":"目标是画面左侧微笑并伸手指向示例的黑线火柴人。边界框覆盖头发、完整头部与面部、躯干、双臂及双腿脚部。正点分布在头部内部、躯干线、伸出的手、弯曲手臂及双脚；负点位于外部空白、POST文字和右侧绿色图示，均不属于人物。"}},{"name":"GET request text","description":"The text “GET request” in the top row of the opening overview.","membership":"Includes only the complete text block; excludes the right-pointing arrow and retrieval illustration.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0.5,"evidence":"目标是开场概览顶行的完整“GET request”文字，不包括右侧箭头和检索插图。首个合格帧为0.00秒，最后合格帧为1.50秒；1.75秒帧中该文字已消失。目标在视频开始时已完整呈现，起点之前没有采样帧。选择0.50秒作为关键帧，文字清晰完整且无遮挡。","start_frame":0,"end_frame":42,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[315.4,78.1,485.8,131.9],"positive_points":[[318.4,104.2],[339.4,98.1],[359.9,104.2],[387.7,104.2],[433.6,110.2],[478.5,105.0]],"negative_points":[[546.9,104.2],[659.7,92.0],[393.1,53.8],[363.8,346.4]],"evidence":"目标是画面顶行的“GET request”完整文字，边框紧贴整个文字块，包含字母下伸部分，不包含右侧箭头或检索插图。六个正点分布在不同字母的笔画上；负点位于右侧箭头、检索插图、文字上方背景和下方POST文字处。"}},{"name":"GET overview arrow","description":"Thin black right-pointing arrow connecting “GET request” to the retrieval illustration.","membership":"Includes only the arrow shaft and arrowhead strokes; excludes text and the illustration.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0.5,"evidence":"目标是“GET request”右侧、指向 retrieve data 插图的细黑色右箭头，仅包含箭杆和箭头笔画。首个合格帧为0.00秒，最后一个为1.50秒，期间箭头结构完整；1.75秒时该箭头及GET概览行已消失。区间从视频起点开始，没有更早的采样帧。选择0.50秒作为关键帧，箭头清晰完整、无遮挡，易与文字及插图区分。","start_frame":0,"end_frame":42,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[518.1,83.3,580.1,125],"positive_points":[[522,104.2],[539,104.2],[554,104.2],[576.2,104.2],[570.8,90.3],[570.8,118.1]],"negative_points":[[548,76],[550,145],[478,105],[624,98]],"evidence":"目标是“GET request”右侧、检索插图左侧的黑色右箭头。边界框紧贴箭杆和箭头笔画；六个正点分布于水平箭杆及两条斜线，四个负点位于箭头外部背景、左侧文字和右侧插图上。"}},{"name":"Data-retrieval illustration","description":"Blue outlined document containing charts and horizontal lines, overlapped by a cyan magnifying glass in the top row.","membership":"Includes the document boundary, enclosed surface and contents, and the complete magnifying glass. Follows their combined outlines and excludes the caption below.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0.5,"evidence":"目标是顶行蓝色图表文档与青色放大镜组成的插图，不含下方说明文字。首个合格帧为0.00秒，结构已完整；最后合格帧为1.50秒，1.75秒时该插图已消失。区间到达视频起点，之前无采样帧。选择0.50秒作为关键帧，组合轮廓清晰、无遮挡，便于标注。","start_frame":0,"end_frame":42,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[597.7,3.5,710.5,204.9],"positive_points":[[659.2,6.1],[682.6,57.3],[665.5,120.7],[673.8,168.4],[623.0,67.7],[607.9,158.0]],"negative_points":[[665.0,224.0],[561.5,104.2],[581.1,182.3],[653.0,272.6]],"evidence":"目标是顶行 GET request 右侧的蓝色图表文档及叠放的青色放大镜。边框紧贴两者的联合外轮廓，不含下方说明文字。六个正点分布于文档边界、图表和横线以及放大镜镜框与手柄；负点位于下方标题、左侧箭头、外部空白及下一行绿色图标。"}},{"name":"Retrieve data caption","description":"The text “retrieve data” beneath the document-and-magnifying-glass illustration.","membership":"Includes only the caption text, excluding the illustration above.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0.5,"evidence":"目标是文档与放大镜图标下方的“retrieve data”文字，仅包含字幕。首个合格帧为0.00秒，文字已完整显示；最后合格帧为1.50秒，1.75秒时该字幕及上方图标已消失。区间从视频起点开始，无更早采样帧。选择0.50秒作为关键帧，字幕清晰完整、无遮挡，便于独立标注。","start_frame":0,"end_frame":42,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[612.8,211.8,721.2,236.1],"positive_points":[[614.7,225.7],[632.8,221.4],[660.2,231.8],[669.9,233.5],[687.0,228.3],[718.8,228.3]],"negative_points":[[673.8,168.4],[659.2,253.5],[590.8,224.0],[737.3,224.0]],"evidence":"目标是文档与放大镜插图下方的“retrieve data”文字。边界框紧贴整段标题文字，不包含上方插图；六个正点分布于两个单词的字形笔画上，负点位于上方插图及文字左、右、下方的外部区域。"}},{"name":"POST request text","description":"The text “POST request” in the second row of the opening overview.","membership":"Includes only the text block; excludes the adjacent arrow and green illustration.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标是开场概览第二行的“POST request”文字，不含右侧箭头和绿色图示。0.00秒已完整显示，最后合格帧为1.75秒；2.00秒文字开始变灰淡出，2.25秒已消失，因此区间止于2.00秒。起点为视频开头，无更早采样帧。选择0.50秒作关键帧，文字清晰完整且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[314.5,326.4,511.2,381.1],"positive_points":[[317.4,349.8],[342.8,364.6],[383.3,333.3],[409.7,353.3],[447.3,362.8],[503.4,337.7]],"negative_points":[[537.1,356.8],[600.6,299.5],[404.3,286.5],[400.9,421.9]],"evidence":"目标是图中第二行的“POST request”。边界框紧贴完整文字，包括字母下伸部分，不含右侧箭头和绿色插图。六个正点分散落在文字笔画上；负点位于右侧箭头、绿色插图及文字上下的外部空白处。"}},{"name":"POST overview arrow","description":"Thin black right-pointing arrow between “POST request” and the green creation illustration.","membership":"Includes only the arrow shaft and arrowhead strokes; excludes adjacent text and graphics.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.25,"evidence":"目标是“POST request”文字与绿色创建图示之间的细黑色右箭头，仅包含箭杆和箭头笔画。首个合格帧为0.00秒，末个合格帧为1.75秒；2.00秒时箭头已变灰并开始淡出，故排除。区间到达视频起点，没有更早的采样帧。选择0.25秒作为关键帧，此时箭头完整清晰、无遮挡，易与相邻文字和图示区分。","start_frame":0,"end_frame":48,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[519.0,336.8,580.1,376.8],"positive_points":[[522.5,356.8],[537.1,356.8],[554.2,356.8],[566.4,356.8],[572.8,347.2],[572.8,365.5]],"negative_points":[[544.4,321.2],[544.4,392.4],[492.2,347.2],[601.1,355.9]],"evidence":"目标是“POST request”右侧、绿色创建图示左侧的黑色右箭头。边界框紧贴箭杆和箭头笔画；六个正点分布在水平箭杆及两条斜笔画上，负点位于上下方外部背景、左侧文字及右侧绿色图示上。"}},{"name":"Data-creation illustration","description":"Green outlined desktop monitor with a hand holding a drawing tool against its screen.","membership":"Includes the monitor, stand, enclosed screen contents, hand, and drawing tool, following the complete graphic's outlines. Excludes the caption below.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标是绿色描边的显示器、底座、屏内图案及持绘图工具的手，不包括下方文字。首个合格帧为0.00秒，图形已完整呈现；最后合格帧为1.75秒。2.00秒图形开始淡出，2.25秒已消失。区间从视频起点开始，没有更早的采样帧。选择0.50秒作为关键帧，目标轮廓清晰完整且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[598.6,269.1,716.8,460.9],"positive_points":[[634.8,273.4],[600.6,356.8],[625,334.2],[649.4,447.9],[705.6,429.7],[702.6,376.7]],"negative_points":[[659.2,481.8],[561.5,356.8],[731.4,343.8],[671.4,611.1]],"evidence":"目标是图中右侧中部的绿色数据创建插图。边界框紧贴显示器、底座、屏幕内图形、手和绘图工具，不包含下方“create new”标题。正点分布在显示器边框、屏幕图形、底座、手和工具笔画上；负点位于下方标题、左侧箭头、右侧外部背景及更下方的更新图标上。"}},{"name":"Create new caption","description":"The text “create new” beneath the green monitor illustration.","membership":"Includes only the caption text; excludes the monitor and hand graphic.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标是绿色显示器和手形图案下方的“create new”文字，不包括图案。首个合格帧为0.00秒，文字已完整显示，视频起点之前无采样帧；最后合格帧为1.75秒。紧邻的2.00秒帧中文字已变灰、开始淡出，2.25秒消失。选择0.50秒作为关键帧，文字清晰完整且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[617.7,469.6,710,493.1],"positive_points":[[618.7,481.8],[627.4,477.4],[643.1,480.9],[654.3,477.4],[680.7,482.6],[707,486.1]],"negative_points":[[656,445],[700,419],[603,482],[671,511]],"evidence":"目标是绿色显示器插图下方的“create new”文字。边界框紧贴整段 caption；六个正点分布在两个单词的字形笔画上，负点位于上方显示器和手部图形，以及文字左侧、下方的外部背景，排除插图。"}},{"name":"PUT request text","description":"The text “PUT request” in the third row of the opening overview.","membership":"Includes only the complete text block; excludes its arrow and update symbol.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标是开场概览第三行的完整“PUT request”文字，不包括右侧箭头和更新图标。首个合格帧为0秒，文字已完整显示；最后合格帧为1.75秒。2秒帧中文字变灰并开始淡出，故排除。区间始于视频开头，没有更早帧。选择0.5秒作为关键帧，文字清晰完整且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[326.2,590.3,505.4,646.7],"positive_points":[[329.1,616.3],[344.7,609.4],[375.5,597.2],[400.4,623.3],[462.4,607.6],[496.6,623.3]],"negative_points":[[552.0,621.5],[672.9,611.1],[366.2,352.4],[410.2,682.3]],"evidence":"目标是第三行的“PUT request”文字。边界框紧贴完整文字块，包含字母下伸部分，不含右侧箭头和更新图标。六个正点分布在文字左右各处的字形笔画上；负点位于右侧箭头、更新图标、上方POST文字及下方外部空白处。"}},{"name":"PUT overview arrow","description":"Thin black right-pointing arrow connecting “PUT request” to the update symbol.","membership":"Includes only the arrow's shaft and arrowhead strokes, excluding neighboring text and graphics.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标是“PUT request”右侧、连接蓝色更新符号的细黑色右箭头，仅含箭杆和箭头笔画。首个合格帧为0.00秒，最后合格帧为1.75秒；2.00秒时箭头已变灰并开始淡出，故不纳入。目标在视频起点已完整呈现，起点前无采样帧。选择0.50秒作为关键帧，箭头完整清晰，与相邻文字和图标分离且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[524.4,601.6,586.9,641.5],"positive_points":[[528.3,621.1],[544.4,621.1],[563.0,621.1],[584.5,621.1],[578.1,609.4],[578.1,632.8]],"negative_points":[[490.2,616.3],[672.4,609.4],[549.8,589.4],[550.8,650.2]],"evidence":"目标是“PUT request”右侧、更新图标左侧的黑色右箭头。边界框紧贴箭杆和箭头两条斜线；六个正点分布在这些笔画上，负点位于邻近文字、更新图标及箭头上下方的外部白色背景。"}},{"name":"Data-update symbol","description":"Two blue curved arrows and brown dotted arc segments surrounding a blue circled check mark.","membership":"Includes the curved arrow shapes, dotted segments, and central circle with its enclosed check mark. Excludes gaps between the separate elements and the caption below.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标是由两条蓝色弯箭头、棕色点状弧段及中央蓝色圆圈勾号组成的数据更新符号，不含下方文字。首个合格帧为0.00秒，最后合格帧为1.75秒；2.00秒时符号已开始淡出，因此排除。区间始于视频开头，没有更早的采样帧。选择0.50秒作为关键帧，符号完整清晰、无遮挡。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[629.9,521.7,715.8,699.7],"positive_points":[[636.7,574.7],[664.1,666.7],[697.8,566.0],[641.1,643.2],[672.9,580.7],[670.9,616.3]],"negative_points":[[673.8,720.5],[569.3,620.7],[732.4,607.6],[683.1,429.7]],"evidence":"目标位于右下方“update data”文字上方，由蓝色双向弯箭头、棕色虚线弧和中央带勾圆圈组成。边界框紧贴整个符号，不含下方标题。正点分布在两条箭头、两侧虚线、圆圈及勾号上；负点位于下方文字、左侧黑箭头、右侧外部背景和上方绿色图标上。"}},{"name":"Update data caption","description":"The text “update data” beneath the circular update symbol.","membership":"Includes only the caption text, excluding the symbol above and the deletion illustration below.","id":"obj_013","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标是蓝色循环更新符号下方的“update data”文字，仅包含字幕。首个合格帧为0.00秒，文字已完整显示；最后合格帧为1.75秒。2.00秒帧中文字开始变灰淡出，故排除。区间始于视频开头，没有更早的采样帧。选择0.50秒为关键帧，文字清晰完整，且没有下方删除图示的干扰。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[621.1,706.6,724.6,739.6],"positive_points":[[622.6,720.5],[632.3,731.8],[647,710.9],[662.6,716.1],[692.9,710.9],[721.7,724.8]],"negative_points":[[672.4,612.8],[600.6,723.1],[739.7,722.2],[676.3,772.6]],"evidence":"目标是圆形更新符号下方的“update data”文字。边界框紧贴完整标题，不包含上方符号；六个正点分布在两个单词的字母笔画上，负点位于上方更新符号及文字左、右、下方的外部背景。"}},{"name":"DELETE request text","description":"The text “DELETE request” added as the bottom row of the opening overview.","membership":"Includes only the complete text block; excludes the right-pointing arrow and trash-can illustration.","id":"obj_014","temporal":{"status":"found","start_s":1.25,"end_s":2.0,"reference_s":1.5,"evidence":"目标为开场概览底行的“DELETE request”完整文字，不包括箭头和垃圾桶。1.25秒首次完整且不再处于淡入状态，最后合格帧为1.75秒；此前1.00秒文字仍呈灰色淡入，之后2.00秒已开始变淡退出。选择1.50秒作为关键帧，文字清晰完整、无遮挡。","start_frame":30,"end_frame":48,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[276.4,825.5,512.7,883.7],"positive_points":[[280.3,849.8],[311.0,831.6],[334.5,865.5],[378.9,850.7],[407.7,855.0],[504.9,855.0]],"negative_points":[[552.0,858.5],[668.0,891.5],[390.6,791.7],[390.6,921.0]],"evidence":"目标是图像底行的“DELETE request”文字。边界框紧贴完整文字块，不包含右侧箭头和垃圾桶。六个正点分布在文字左右各处的字形笔画上；负点位于右侧箭头、垃圾桶以及文字上方和下方的外部背景。"}},{"name":"DELETE overview arrow","description":"Thin black right-pointing arrow between “DELETE request” and the trash-can illustration.","membership":"Includes only the arrow shaft and arrowhead strokes; excludes neighboring text and graphics.","id":"obj_015","temporal":{"status":"found","start_s":1.25,"end_s":2.0,"reference_s":1.5,"evidence":"目标是“DELETE request”和垃圾桶图标之间的细黑色向右箭头，仅包含箭杆与箭头笔画。首个合格帧为1.25秒，最后合格帧为1.75秒；此前1.00秒箭头仍在淡入、呈灰色，此后2.00秒已开始淡出。选择1.50秒作为关键帧，箭头完整清晰，且与相邻文字、图标分离。","start_frame":30,"end_frame":48,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[522.5,837.7,585.4,879.3],"positive_points":[[528.3,858.5],[543.0,858.5],[557.6,858.5],[575.2,858.5],[576.7,846.4],[576.7,870.7]],"negative_points":[[505.9,850.7],[643.6,851.6],[551.8,817.7],[551.8,896.7]],"evidence":"目标是“DELETE request”右侧、垃圾桶左侧的黑色右箭头。边界框紧贴箭杆及箭头两条斜线；六个正点分布于这些笔画上，负点位于邻近文字、垃圾桶和箭头上下的外部白色背景。"}},{"name":"Data-removal illustration","description":"Terracotta-colored outline of an open trash can, with a raised lid and a discarded item falling inside.","membership":"Includes the can's enclosed body and internal marks, raised lid, falling item, and small motion marks belonging to the illustration. Excludes the caption below and surrounding whitespace.","id":"obj_016","temporal":{"status":"found","start_s":1.25,"end_s":2.0,"reference_s":1.5,"evidence":"目标是 DELETE request 右侧的陶土色开盖垃圾桶，包含桶身、内部线条、抬起的盖子、落入物及运动短线，不含下方文字。首个合格帧为1.25秒，最后合格帧为1.75秒；此前1.00秒仍处于淡入状态，此后2.00秒已开始淡出。选择1.50秒为关键帧，图案完整清晰且无遮挡。","start_frame":30,"end_frame":48,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[639.6,737.8,703.6,939.3],"positive_points":[[667.9,920.1],[647.5,868.1],[680.2,887.2],[678.7,774.3],[655.3,802.1],[649.9,783.9]],"negative_points":[[664.1,960.1],[664.1,720.5],[571.3,857.6],[720.2,858.5]],"evidence":"目标位于图像右下方，是陶土色的开盖垃圾桶插图。边界框紧贴桶身、抬起的桶盖、掉落物及小运动标记，不含下方文字。正点分布于桶身内部、内部线条、桶盖、掉落物和运动标记；负点位于下方说明文字、上方更新说明、左侧箭头及右侧外部空白。"}},{"name":"Remove data caption","description":"The text “remove data” beneath the trash-can illustration.","membership":"Includes only the caption text; excludes the illustration above.","id":"obj_017","temporal":{"status":"found","start_s":1.25,"end_s":2.0,"reference_s":1.5,"evidence":"目标是垃圾桶图标下方的“remove data”文字，不包含图标。首个完整且结束淡入的采样帧为1.25秒，最后合格帧为1.75秒；此前1.00秒文字仍处于淡入，之后2.00秒已开始淡出。选择1.50秒作为关键帧，文字清晰、无遮挡。","start_frame":30,"end_frame":48,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[619.1,942.7,725.6,970.5],"positive_points":[[620.1,960.9],[639.2,960.9],[663.1,960.9],[693.4,950.5],[708.5,956.6],[722.2,961.8]],"negative_points":[[669,893],[598,957],[747,958],[673,989]],"evidence":"目标是垃圾桶插图下方的“remove data”文字。边界框紧贴完整单行文字，正点分布在不同字母的笔画上；负点位于上方垃圾桶及文字左、右、下方的外部背景，不包含文字内部空隙。"}},{"name":"Developer at laptop illustration","description":"Black outlined person seated behind a laptop displaying a code-bracket symbol, replacing the stick figure in the application example.","membership":"Includes the person, laptop boundary and enclosed screen contents, laptop base, and horizontal desk line. Excludes the outgoing arrow and all neighboring content.","id":"obj_018","temporal":{"status":"found","start_s":2.5,"end_s":20.0,"reference_s":3.0,"evidence":"目标为黑色轮廓的开发者与笔记本电脑组合，包含代码括号屏幕、电脑底座及水平桌线，不含右侧箭头。2.50秒首次完整出现，前一帧2.25秒仍为原来的站立火柴人。此后目标持续存在，最后合格帧为19.75秒，因此区间结束于视频末尾20.00秒，之后无采样帧。选择3.00秒作为关键帧，目标结构清晰完整，无遮挡，且邻近区域尚无其他插图干扰。","start_frame":60,"end_frame":480,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[59.6,174.5,253.9,454.9],"positive_points":[[153.8,181.4],[132.8,283.0],[97.2,368.1],[198.2,381.9],[157.7,385.4],[230.0,447.9]],"negative_points":[[46.4,295.1],[268.6,364.6],[156.3,486.1],[156.3,138.9]],"evidence":"目标是图像左侧坐在带代码符号笔记本电脑后的黑色线描人物。边界框覆盖人物、电脑边框及屏幕内容、电脑底座和水平桌线。正点分布在头发、脸部轮廓、���臂、电脑边框、代码符号和桌线上；负点位于目标左、右、上、下方的外部白色背景。"}},{"name":"Developer-to-app arrow","description":"Small black arrow angled upward and right from the developer illustration toward the social-media application.","membership":"Includes only the arrow shaft and arrowhead strokes; excludes both illustrations.","id":"obj_019","temporal":{"status":"found","start_s":3.75,"end_s":20.0,"reference_s":4.0,"evidence":"目标是开发者插图右侧指向社交媒体应用的黑色右上斜箭头，仅含箭杆和箭头笔画。3.50秒尚无此箭头，3.75秒首次完整出现，此后持续可见，最后合格帧为19.75秒；区间到达20.0秒视频结尾，无后续采样帧。选择4.00秒作为关键帧，箭头完整清晰、无遮挡，易与两侧插图区分。","start_frame":90,"end_frame":480,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[235.8,368.9,296.9,438.4],"positive_points":[[239.7,432.3],[253.4,419.3],[267.1,406.3],[282.2,391.5],[284.2,374.1],[292.5,395.0]],"negative_points":[[195.3,387.2],[391.6,347.2],[271.5,468.8],[261.2,355.0]],"evidence":"目标是开发者插图与社交媒体应用之间向右上方倾斜的黑色箭头。边界框仅覆盖箭杆和箭头两侧笔画；六个正点分布在这些黑色笔画上，负点位于两侧插图及箭头上、下方的外部背景。"}},{"name":"Social-media application illustration","description":"Tilted smartphone surrounded by four colorful profile portraits, speech bubbles, and communication symbols.","membership":"Includes the phone boundary and enclosed interface, the four portrait medallions and their contents, and the associated speech bubbles and communication symbols. Excludes the label below and external connecting arrows; whitespace between separate components is not filled.","id":"obj_020","temporal":{"status":"found","start_s":3.75,"end_s":20.0,"reference_s":4.0,"evidence":"目标为倾斜手机及周围四个彩色人物头像、对话气泡和通信符号，不含下方文字及外部箭头。3.50秒尚无此图，3.75秒所有组成部分已完整出现；此后持续可见，最后合格帧为19.75秒，故区间结束于视频末尾20.00秒，边界后无采样帧。选择4.00秒为关键帧，此时图形清晰完整、无遮挡，且周围干扰较少。","start_frame":90,"end_frame":480,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[324.2,137.2,490.2,421.9],"positive_points":[[347.7,265.6],[383.3,187.5],[457.0,244.8],[466.8,338.5],[393.6,349.8],[432.1,197.9]],"negative_points":[[399.9,455.7],[269.5,404.5],[507.8,286.5],[400.4,99.8]],"evidence":"目标是画面中部由倾斜手机、四个人物头像及聊天气泡和通信符号组成的插图。边界框覆盖这些可见组件，不含下方文字标签和左侧连接箭头。六个正点分布在四个头像、手机界面及气泡上；负点位于下方标签、左侧箭头以及插图上方和右侧的外部背景。"}},{"name":"Social media app label","description":"Two-line text reading “social media” and “app” beneath the smartphone illustration.","membership":"Includes the entire two-line text block only; excludes the illustration above and any overlapping code panel.","id":"obj_021","temporal":{"status":"found","start_s":3.75,"end_s":20.0,"reference_s":4.0,"evidence":"目标是手机插图下方完整的两行文字“social media”和“app”，不包含插图或代码面板。3.50秒尚无该文字，3.75秒首次完整显示；之后持续存在，15.25秒被移动的代码面板短暂遮挡部分文字，随后恢复。最后合格帧为19.75秒，区间延续至视频末尾20.00秒，无后续采样帧。选择4.00秒作为关键帧，文字完整清晰且无遮挡。","start_frame":90,"end_frame":480,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[336.9,431.4,474.6,534.7],"positive_points":[[339.4,448.8],[395.5,451.4],[412.6,455.7],[389.6,512.2],[404.8,524.3],[416.5,523.4]],"negative_points":[[389.6,364.6],[314.5,486.1],[498.0,477.4],[405.3,572.9]],"evidence":"目标是手机插画下方的两行文字“social media”和“app”。边界框紧密覆盖完整文字块，正点分布在两行字母笔画上；负点位于上方手机插画及文字块左侧、右侧和下方的外部背景，不包含插画或其他对象。"}},{"name":"GET method label","description":"Standalone text “GET” above the large orange request arrow in the application-to-server example.","membership":"Includes only the three-letter text label, excluding the arrow below.","id":"obj_022","temporal":{"status":"found","start_s":8.25,"end_s":20.0,"reference_s":10.0,"evidence":"目标是应用到服务器示例中、大橙色请求箭头上方独立的“GET”三字母标签，不包括箭头。8.00秒尚无该标签，8.25秒文字已完整显示；此后持续可见，最后合格帧为19.75秒，因此区间结束于视频终点20.00秒，终点外没有采样帧。选择10.00秒作为关键帧，文字清晰完整、无遮挡，与箭头及下方网址容易区分��","start_frame":198,"end_frame":480,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[596.7,236.1,657.2,281.3],"positive_points":[[607.4,240.5],[604.5,273.4],[621.1,245.7],[627.4,276.9],[647.0,243.1],[647.0,267.4]],"negative_points":[[634.8,313.4],[625.0,204.0],[577.6,258.7],[678.7,257.8]],"evidence":"目标是应用与服务器之间、橙色请求箭头上方的独立“GET”文字。边界框紧贴三个字母的完整可见范围；六个正点分布在各字母笔画上，四个负点位于框外白色背景及橙色箭头上，排除箭头和周边区域。"}},{"name":"Application-to-server request arrow","description":"Large orange right-pointing arrow between the social-media application and the server, changing length during the demonstration.","membership":"Includes the filled arrow shaft and arrowhead, following its outline throughout changes in length. Excludes the GET label, endpoint text, and server.","id":"obj_023","temporal":{"status":"found","start_s":8.25,"end_s":20.0,"reference_s":10.0,"evidence":"目标是社交媒体应用与服务器之间的大型橙色实心右箭头，不含GET标签和端点文字。8.00秒尚无此箭头；8.25秒箭身与箭头已完整呈现，此后长度变化但始终完整可见，最后合格帧为19.75秒，因此区间结束于视频末尾20.00秒，之后无采样帧。选择10.00秒为关键帧，箭头轮廓清楚、无遮挡，便于独立标注。","start_frame":198,"end_frame":480,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[555.7,241.3,720.0,386.3],"positive_points":[[566.4,313.4],[610.4,313.4],[659.2,314.2],[706.5,313.4],[678.7,266.5],[681.6,358.5]],"negative_points":[[623.0,257.0],[634.8,416.7],[898.4,364.6],[615.2,364.6]],"evidence":"目标是社交媒体应用与服务器之间的橙色向右请求箭头。边界框紧贴箭杆及上下箭头分支的可见外缘；六个正点分布在箭杆、尖端和两条斜向分支上。负点位于GET标签、端点文本、服务器及箭头下方的外部空白处，均不属于目标。"}},{"name":"Server tower illustration","description":"Dark blue isometric server tower on the right, with five front equipment rows and colored indicators, plus green horizontal bars on its side.","membership":"Includes the complete tower silhouette, its visible surfaces, and all enclosed equipment details and indicators. Excludes the corner emblem and surrounding text or arrows.","id":"obj_024","temporal":{"status":"found","start_s":8.25,"end_s":20.0,"reference_s":10.0,"evidence":"目标为右侧深蓝色等距服务器塔，具有五排正面设备和彩色指示灯，侧面有绿色横条。8.00秒尚未出现，8.25秒完整塔身及内部细节已建立；此后持续存在，最后合格帧为19.75秒，故区间结束于视频终点20.00秒，之后无采样帧。选择10.00秒作为关键帧，塔身清晰完整，无前景遮挡，便于标注。","start_frame":198,"end_frame":480,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[807.1,151,962.4,613.7],"positive_points":[[884,225],[834,296],[860,371],[850,474],[859,547],[925,394]],"negative_points":[[955,82],[635,312],[752,411],[979,456]],"evidence":"目标是右侧深蓝色等距服务器塔，正面有五排设备和彩色指示灯，侧面有绿色横条。边界框紧贴完整塔体轮廓，涵盖顶面、正面、侧面及全部内部细节。正点分布在各可见表面和设备排上；负点位于右上角徽标、橙色箭头、接口文字及塔体右侧背景，均不属于目标。"}},{"name":"API endpoint text","description":"Progressively revealed endpoint “api.myapp.com/users/1” beneath the orange GET arrow.","membership":"Includes the endpoint text as it is revealed, retaining the complete final text as one reading unit. Excludes the arrow above and server beside it.","id":"obj_025","temporal":{"status":"found","start_s":9.75,"end_s":20.0,"reference_s":10.0,"evidence":"目标是橙色 GET 箭头下方的“api.myapp.com/users/1”端点文字，不包含箭头和服务器。9.50 秒仍在逐字揭示，末尾尚未完整；9.75 秒完整文字首次全部呈现，之后持续可见至最后采样帧 19.75 秒，因此区间结束于视频末尾 20.0 秒，无后续帧。选择 10.0 秒作为关键帧，文字清晰完整且无遮挡。","start_frame":234,"end_frame":480,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[516.6,391.5,777.3,437.5],"positive_points":[[519.0,416.7],[561.5,416.7],[640.6,416.7],[687.5,410.6],[748.0,421.9],[772.5,411.5]],"negative_points":[[634.8,313.4],[619.6,256.1],[878.9,390.6],[659.2,477.4]],"evidence":"目标是橙色 GET 箭头下方的完整端点文字“api.myapp.com/users/1”。边界框紧贴整行文字，正点分布在文字左、中、右部的字符笔画上；负点位于上方箭头、GET 标签、右侧服务器及文字下方的外部空白处。"}},{"name":"JSON response panel","description":"Dark code panel headed “json” showing a user record, including “userId”, “userName”, “email”, “fullName”, “preferences”, and “roles”. It appears below the request area and moves left beneath the developer.","membership":"Includes the complete rectangular panel, header strip, dark backing surface, and all code contents throughout its movement. Excludes neighboring labels and the red annotation arrow.","id":"obj_026","temporal":{"status":"found","start_s":14.75,"end_s":20.0,"reference_s":16.0,"evidence":"目标是带“json”标题条的深色矩形代码面板，内含 userId、userName、email、fullName、preferences 和 roles。14.50秒尚未出现；14.75秒面板及代码已完整呈现，随后整体向左移动至开发者下方。最后一个合格帧为19.75秒，持续到视频20.0秒结束，边界之后没有采样帧。选择16.0秒作为关键帧，此时面板完整清晰、无遮挡，且尚无邻近红色注释箭头。","start_frame":354,"end_frame":480,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[50.3,500,231.9,993.9],"positive_points":[[72,518],[90,592],[185,648],[127,724],[170,854],[102,947]],"negative_points":[[31,700],[258,722],[157,387],[276,942]],"evidence":"目标是开发者下方、以“json”为标题并显示用户记录的深色代码面板。边界框紧贴完整矩形面板，包含标题条、深色底板和全部代码。六个正点分布于标题及面板上中下部；四个负点位于面板外的白色背景和上方开发者图标上。"}},{"name":"JSON format annotation","description":"The text “json format” to the right of the response panel in its final lower-left position.","membership":"Includes only the complete annotation text; excludes the red curved arrow and code panel.","id":"obj_027","temporal":{"status":"found","start_s":18.25,"end_s":20.0,"reference_s":18.5,"evidence":"目标是左下方响应代码面板右侧的完整文字“json format”，不包括红色弯箭头和代码面板。18.00秒尚无该文字，18.25秒首次完整出现，持续至最后采样帧19.75秒，因此区间结束于20.00秒；视频结束后无相邻帧可检查。选择18.50秒作为关键帧，文字清晰完整且无遮挡。","start_frame":438,"end_frame":480,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[330.6,584.2,475.1,632.8],"positive_points":[[336.4,610.2],[347.7,599.0],[371.1,607.6],[395.5,602.4],[408.2,617.2],[469.2,607.6]],"negative_points":[[140,750],[275,652],[408,668],[407,509]],"evidence":"目标是代码响应面板右侧的“json format”文字。边界框紧贴完整文字，包含 j 的下伸部分；六个正点分布在文字笔画上，负点位于代码面板、红色弯箭头、下方空白及上方 app 文字处，均不属于目标。"}},{"name":"JSON annotation arrow","description":"Red curved arrow pointing down and left from the “json format” annotation into the response panel.","membership":"Includes only the red curved shaft and arrowhead strokes, including portions overlapping the panel. Excludes the panel and annotation text.","id":"obj_028","temporal":{"status":"found","start_s":18.25,"end_s":20.0,"reference_s":18.5,"evidence":"目标是从“json format”文字旁向左下弯曲、指入黑色响应面板的红色箭头，仅包含红色箭身和箭头。18.00秒尚无该箭头，18.25秒首次完整出现，持续至最后采样帧19.75秒。区间到达视频末尾20.00秒，无后续帧可检查。选择18.50秒作为关键帧，箭头形状完整清晰，与文字及面板易于区分。","start_frame":438,"end_frame":480,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[220.7,627.6,331.1,704.9],"positive_points":[[324.7,631.9],[294.4,636.3],[265.1,651.0],[241.2,672.7],[233.4,660.6],[250.0,691.8]],"negative_points":[[205.1,737.8],[355.5,606.8],[288.6,694.4],[240.7,610.2]],"evidence":"目标是从“json format”下方弯向左下响应面板的红色箭头。框紧贴红色弧形箭身及箭头两支笔画，包括覆盖面板的部分。六个正点分布在箭身与箭头笔画上；负点位于响应面板、注释文字及箭头外部白色背景，不包含箭头内部间隙。"}}]}
+{"video_id":217,"video_type":"data and scientific visualization","targets":[{"name":"Cartoon user","description":"Smiling black-line stick figure on the left, wearing a black necktie and extending one hand toward the form.","membership":"Includes the complete figure: head and enclosed face, hair, facial features, tie, arms, hands, legs, and feet. Follows the drawn outlines and enclosed shapes; excludes background between the limbs and the adjacent form.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":14,"reference_s":0,"evidence":"目标为左侧微笑、佩戴黑色领带并伸手指向表单的黑线条火柴人，头部、五官、头发及四肢均完整可见。首个合格帧为0.00秒，最后合格帧为13.75秒，全程持续出现，无淡出、裁切或消失。区间覆盖视频首尾，两端均无额外相邻采样帧。选择0.00秒作关键帧，人物轮廓清晰完整、无遮挡，且邻近元素较少。","start_frame":0,"end_frame":336,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[19.5,123.3,235.4,900.2],"positive_points":[[73,227],[86,445],[27,498],[220,413],[38,890],[110,890]],"negative_points":[[330,255],[330,355],[330,490],[180,750]],"evidence":"目标是左侧微笑、系黑色领带并伸手指向表单的火柴人。边界框紧贴完整人物，覆盖头发、头脸、领带、双臂和手、双腿及脚。正点分布在头部、领带、左肘、伸出的手和双脚；负点位于相邻表单及人物右侧的外部空白处。"}},{"name":"Name and email form","description":"Compact form beside the cartoon user, with two white rounded fields labeled \"user's name\" and \"email\", above a blue rounded button containing a right-pointing arrow.","membership":"Includes both fields with their borders, white interiors, and text, and the blue button with its border, lower shadow, and arrow. Excludes surrounding and intervening background, the cartoon user, and the API illustration.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":14,"reference_s":0,"evidence":"目标是卡通人物右侧的表单：两个分别标有“user's name”和“email”的白色圆角输入框，以及下方带右箭头、边框和底部阴影的蓝色圆角按钮。首个合格帧为0秒，所有成员均已完整呈现；此后持续可见，最后合格帧为13.75秒，因此区间为[0,14)。区间到达视频首尾，没有边界外的相邻采样帧。选择0秒作为关键帧，表单清晰完整、无遮挡，且周围尚无API等新增图形干扰。","start_frame":0,"end_frame":336,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[235.8,217.9,423.4,527.8],"positive_points":[[253.9,251.7],[395.5,260.4],[258.8,355.9],[387.2,364.6],[264.6,484.4],[392.6,494.8]],"negative_points":[[83,416.7],[454.1,347.2],[332,590.3],[329.6,164.9]],"evidence":"目标是卡通人物右侧的姓名和邮箱表单。边界框紧密覆盖两个带文字的白色圆角输入框，以及下方含箭头、边框和底部阴影的蓝色按钮。六个正点分布在两个输入框和按钮内部；四个负点位于左侧人物及表单上方、右侧、下方的外部背景。"}},{"name":"API illustration","description":"Colorful computer-monitor graphic to the right of the form, combining a yellow screen, red gear, and blue cloud marked \"API\".","membership":"Includes the monitor, stand, gear, cloud, their outlines and enclosed areas, and the text and marks inside them. Follows the composite silhouette, including its concavities. Excludes the separate \"REST API\" label below and nearby arrows.","id":"obj_003","temporal":{"status":"found","start_s":1.75,"end_s":14.0,"reference_s":2.0,"evidence":"目标是表单右侧由黄色显示器及支架、红色齿轮、带“API”字样的蓝色云组成的完整图标，不含下方“REST API”标签和箭头。1.50秒尚无该图标，1.75秒其自身结构已完整呈现；此后持续可见至最后采样帧13.75秒，因此结束时间为14.0秒，视频末尾之后无可检查帧。选择2.00秒作为关键帧，图标清晰完整、无遮挡，且附近尚未出现箭头，便于标注。","start_frame":42,"end_frame":336,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[500.5,133.7,637.7,372.4],"positive_points":[[585,165],[516,256],[598,263],[583,308],[570,356],[522,194]],"negative_points":[[575,396],[390,355],[667,275],[491,155]],"evidence":"目标是表单右侧由蓝色API云、红色齿轮和黄色显示器组成的插图。边界框紧贴组合图形，包含显示器支架，不包含下方独立的“REST API”标签。六个正点分布于云、齿轮、屏幕、边框和底座等部位；负点位于下方标签、左侧表单及图形外部白色背景。"}},{"name":"REST API label","description":"Black handwritten-style text reading \"REST API\" directly beneath the colorful API illustration.","membership":"Includes only the complete text block. Excludes the monitor illustration, background, and nearby arrows.","id":"obj_004","temporal":{"status":"found","start_s":1.75,"end_s":14.0,"reference_s":2.0,"evidence":"目标是彩色 API 插图正下方黑色手写体“REST API”完整文字，不含插图和箭头。1.50 秒尚无该文字，1.75 秒文字已完整显示，之后持续存在至最后采样帧 13.75 秒，故区间结束于视频终点 14.0 秒；终点之后无采样帧。选择 2.00 秒作为关键帧，文字清晰完整且无遮挡，易于独立标注。","start_frame":42,"end_frame":336,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[527,380.2,623,409],"positive_points":[[529.8,395],[543.9,392.4],[556.6,384.5],[571.3,384.5],[591.8,397.6],[616.7,392.4]],"negative_points":[[569.8,358.5],[509.3,395],[637.7,394.1],[575.2,430.6]],"evidence":"目标是彩色 API 插图正下方的黑色“REST API”文字。边界框紧贴完整文字块，六个正点分布在不同字母的笔画上；负点位于上方显示器底座及文字左右、下方的外部背景，均不包含文字内部空隙。"}},{"name":"API response arrow","description":"Thick black arrow pointing right and slightly downward from the API illustration toward the JSON response panel.","membership":"Includes the arrow shaft and arrowhead only. Excludes the API illustration, response panel, and surrounding background.","id":"obj_005","temporal":{"status":"found","start_s":2.5,"end_s":14.0,"reference_s":3.0,"evidence":"目标是 API 图示右侧、指向 JSON 响应面板且略向右下倾斜的粗黑箭头，仅含箭杆和箭头。2.25 秒尚无此箭头，2.50 秒其结构已完整出现；此后持续可见，最后合格帧为 13.75 秒，因此区间结束于视频末尾 14.00 秒，之后无采样帧。选择 3.00 秒作为关键帧，箭头完整清晰、无遮挡，且响应面板已出现，便于确认其指向关系。","start_frame":60,"end_frame":336,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[637.2,289.1,716.8,340.3],"positive_points":[[642.1,296.0],[659.2,303.8],[677.7,312.5],[694.3,320.3],[701.2,310.8],[699.7,332.5]],"negative_points":[[600.6,269.1],[756.8,312.5],[678.7,264.8],[678.7,364.6]],"evidence":"目标是 API 插图与右侧 JSON 面板之间向右略向下的粗黑箭头。边界框紧贴箭杆及箭头尖端；六个正点分布在箭杆和箭头两翼上，四个负点位于 API 插图、JSON 面板及箭头上下的外部白色背景。"}},{"name":"JSON response panel","description":"Tall dark code panel on the right, showing a syntax-highlighted user record with fields such as \"id\", \"name\", \"username\", \"email\", \"profile\", \"settings\", \"friends\", and \"posts\". Three colored window-control dots appear at its upper left.","membership":"Includes the visible dark panel surface, its boundary, window-control dots, and all displayed code. The panel extends beyond the right edge of the image. Excludes the incoming arrow and the separate \"over-fetching\" text below.","id":"obj_006","temporal":{"status":"found","start_s":3.0,"end_s":14.0,"reference_s":3.0,"evidence":"目标是右侧带三个彩色窗口圆点、语法高亮用户记录的深色长代码面板，不含箭头及下方文字。2.75秒尚无面板，3.0秒面板表面、边界和代码已完整呈现；右侧超出画面属于指定的裁切设计。最后合格帧为13.75秒，面板持续存在至视频结束14.0秒，之后无采样帧。选择3.0秒作为关键帧，目标清晰、无遮挡且易于区分。","start_frame":72,"end_frame":336,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[737.8,72.9,1000,927.1],"positive_points":[[764,126],[908,213],[781,391],[942,521],[806,694],[913,868]],"negative_points":[[679,313],[708,651],[879,955],[571,260]],"evidence":"目标是右侧带三个彩色窗口圆点、显示用户记录及 profile、settings、friends、posts 等字段的深色 JSON 面板。边界框覆盖完整可见面板，右边界截于图像边缘。正点分布于面板上中下部的代码和深色表面；负点位于左侧传入箭头、API 图标及面板外的白色背景。"}},{"name":"Over-fetching label","description":"Large black handwritten-style text reading \"over-fetching\" beneath the JSON response panel.","membership":"Includes the complete text block only. Excludes the dark code panel above and surrounding graphics.","id":"obj_007","temporal":{"status":"found","start_s":8.0,"end_s":14.0,"reference_s":8.0,"evidence":"目标是右侧深色 JSON 响应面板下方完整的黑色手写体“over-fetching”文字，不包含面板。7.75 秒尚无该文字，8.00 秒首次完整出现，至最后采样帧 13.75 秒持续完整可见，因此区间结束于视频末尾 14.00 秒；末尾之后无采样帧。选择 8.00 秒作为关键帧，文字清晰完整、无遮挡，且易与周围图形区分。","start_frame":192,"end_frame":336,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[763.7,939.2,974.6,999.1],"positive_points":[[766.6,968.8],[789.6,977.4],[818.4,960.1],[856,947],[918,948.8],[970.7,966.1]],"negative_points":[[878.9,885.4],[727.5,959.2],[986.3,963.5],[573.2,394.1]],"evidence":"目标是右侧 JSON 响应面板下方的黑色手写体“over-fetching”。边界框紧贴完整文字，包括末尾字母的下伸部分；六个正点分布在不同字母的黑色笔画上，四个负点位于上方代码面板、文字左右的外部白色背景及 REST API 标签上。"}},{"name":"Server tower","description":"Dark blue-gray isometric server tower below the API illustration, with multicolored front indicators and horizontal green slats on its right face.","membership":"Includes the complete tower silhouette, top and side surfaces, front bays, colored indicators, and green slats. Excludes surrounding background and the downward arrows above it.","id":"obj_008","temporal":{"status":"found","start_s":11.25,"end_s":14.0,"reference_s":11.5,"evidence":"目标是 API 图示下方的深蓝灰色等距服务器塔，具有彩色前面板指示灯和右侧绿色横向栅条。11.00 秒尚未出现，11.25 秒首次完整显示塔体、顶面、侧面及内部细节；最后一个采样帧 13.75 秒仍完整可见，因此区间延续至视频结束 14.00 ���，之后无采样帧。选择 11.50 秒作为关键帧，塔体清晰完整，且上方尚无向下箭头，便于独立标注。","start_frame":270,"end_frame":336,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[451.7,583.3,569.8,934.0],"positive_points":[[509.3,639.8],[465.8,689.2],[490.2,756.9],[481.9,861.1],[538.1,713.5],[544.9,855.0]],"negative_points":[[426.8,781.3],[595.7,776.9],[510.3,538.2],[570.3,269.1]],"evidence":"目标是API图示下方的深蓝灰色立体服务器，正面有多色指示灯，右侧有绿色横条。边界框紧贴完整塔体，包含顶面、前面和右侧面。六个正点分布在这些表面及指示区域；负点位于塔体左、右、上方的外部背景及上方独立的API图示上。"}},{"name":"Multiple downward request arrows","description":"Compact group of four thick black arrows between the \"REST API\" label and the server tower, pointing downward toward the server.","membership":"Includes all four arrow shafts and arrowheads as the multiple-request graphic. Excludes the gaps between arrows, the \"REST API\" text, and the server tower.","id":"obj_009","temporal":{"status":"found","start_s":12.25,"end_s":14.0,"reference_s":12.5,"evidence":"目标为“REST API”标签与服务器塔之间的四支粗黑色向下箭头，四个箭杆和箭头均完整可见。首个符合条件的采样帧为12.25秒，前一帧12.00秒尚无这组箭头；最后符合条件的帧为13.75秒，持续至视频结束14.00秒，之后无采样帧。选择12.50秒作为关键帧，四支箭头轮廓清晰、无遮挡，且与文字及服务器分离。","start_frame":294,"end_frame":336,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[504.9,424.5,619.6,601.6],"positive_points":[[527.3,449.7],[512.7,552.1],[554.2,456.6],[541,555.6],[579.6,522.6],[603,565.1]],"negative_points":[[571.3,395],[510.3,668.4],[480.5,483.5],[644.5,502.6]],"evidence":"目标是“REST API”文字下方、服务器上方的四支粗黑色向下箭头。边界框紧贴四支箭头的整体可见范围；六个正点分布在各箭杆和箭头上，四个负点位于上方文字、下方服务器及左右外部背景，避开箭头之间的空隙。"}}]}
+{"video_id":218,"video_type":"data and scientific visualization","targets":[{"name":"Brown-haired cartoon boy","description":"The boy on the left in the opening cartoon, with tousled brown hair, a worried expression, a red coat, and blue mittens.","membership":"Include the visible character silhouette, face, hair, clothing, and mittens. Exclude the background, the other boy, and the overlaid caption.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是开场左侧的棕色乱发男孩，面露担忧，穿红色外套、戴蓝色手套。首个和最后一个合格采样帧均为0.00秒，角色已完整呈现；区间从视频起点开始，无更早帧。紧邻的0.25秒帧已切换为黑底“What it does”页面，男孩消失。选择0.00秒作为关键帧，这是唯一显示该目标且形象清晰的采样帧。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[94,38,573,1000],"positive_points":[[332,182],[332,675],[182,844],[492,832],[166,976],[506,982]],"negative_points":[[611,85],[606,637],[732,662],[269,892]],"evidence":"目标是左侧棕色乱发、神情担忧、穿红外套并戴蓝手套的男孩。边界框紧贴其可见头发、脸部、衣服和手套，底部止于图像边缘。正点分布于头发、脸部、两侧外套和两只手套；负点位于背景、右侧男孩及叠加字幕笔画上，排除这些内容。"}},{"name":"Blue-hatted cartoon boy","description":"The partially cropped boy on the right in the opening cartoon, wearing a blue hat with a red band and pom-pom.","membership":"Include the visible character, including his hat, face, and clothing, up to the image edge. Exclude the other boy, background, and overlaid caption.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是开场右侧戴蓝帽、红帽边和红绒球的男孩，可见帽子、脸和部分衣服；右侧裁切符合指定目标范围。首个及最后一个合格帧均为0.00秒，视频起点之前没有采样帧。紧邻的0.25秒已切换为“What it does”黑底页面，男孩消失。选择0.00秒作为关键帧，因为这是唯一出现且形象清晰的采样帧。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[638,5,956,1000],"positive_points":[[873,110],[803,285],[815,433],[713,630],[827,610],[903,987]],"negative_points":[[345,657],[600,322],[708,868],[978,547]],"evidence":"目标是右侧戴蓝帽、红帽檐和红绒球的男孩。边界框紧贴可见帽子、脸部及底部衣服，右侧止于画面裁切边缘。正点分布在绒球、帽顶、帽檐、脸部和衣服；负点位于左侧男孩、灰色背景、叠加字幕及右侧黑边，排除这些非目标内容。"}},{"name":"Opening cartoon caption","description":"Large white outlined text reading “CHATGPT, DUDE.” across the bottom of the opening cartoon.","membership":"Include the complete caption lettering and its dark text outline. Exclude the characters and background behind it.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"0.00秒开场卡通底部完整显示白色、深色描边的“CHATGPT, DUDE.”字幕，为首个也是最后一个符合条件的采样帧。区间始于视频起点，无更早帧；紧接的0.25秒已切换为“What it does”页面，目标消失。选择0.00秒为关键帧，字幕完整清晰且无遮挡。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[256,847,748,949],"positive_points":[[265,883],[312,890],[363,864],[442,893],[573,881],[703,889]],"negative_points":[[342,737],[586,799],[820,902],[239,968]],"evidence":"目标是画面底部白色深色描边字幕“CHATGPT, DUDE.”。边界框覆盖完整字母、逗号、句号及其深色轮廓；六个正点分散落在字幕字形上，四个负点位于字幕之外的人物脸部、衣服和灰色背景。"}},{"name":"What it does heading","description":"Light gray heading reading “What it does” above the row of feature cards.","membership":"Include only the heading text, excluding the cards and background.","id":"obj_004","temporal":{"status":"found","start_s":0.5,"end_s":7.5,"reference_s":3.25,"evidence":"目标是功能卡片上方的浅灰色“What it does”标题，仅包含文字。0.25秒标题仍在淡入，0.50秒首次完整清晰呈现；最后合格帧为7.25秒，此时下方卡片已变暗，但标题仍完整可见。7.50秒标题消失并切换至下一段文字。选择3.25秒作为关键帧，标题清晰、无遮挡，与下方卡片分离明确。","start_frame":12,"end_frame":180,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[431.2,99,592.8,138],"positive_points":[[434.6,104.2],[462,121.5],[482.9,133.7],[511.2,120.7],[544.4,105],[587,134]],"negative_points":[[510,70],[514,167],[331,411],[690,410]],"evidence":"目标是功能卡片上方的浅灰色“What it does”标题。边界框紧贴整段标题文字；六个正点分布在不同字符的笔画上，四个负点位于标题外部背景及下方其他卡片文字上。"}},{"name":"Voice feature card","description":"The leftmost rounded feature card, containing a cyan microphone illustration and the label “Voice.”","membership":"Include the card surface, rounded boundary, microphone, and label. Exclude surrounding space and transient emphasis effects; retain the card through border-color changes.","id":"obj_005","temporal":{"status":"found","start_s":1.25,"end_s":7.25,"reference_s":3.25,"evidence":"目标是最左侧含青色麦克风和“Voice”标签的圆角卡片。1.25秒首次完整呈现；前一帧1.00秒的标签仍在描绘填充。卡片在边框变色期间持续存在，最后合格帧为7.00秒，7.25秒开始整体淡出。选择3.25秒作为关键帧，卡片边界、图标和文字清晰，且无强调效果干扰。","start_frame":30,"end_frame":174,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[62,206.6,224.6,467.9],"positive_points":[[85,242],[199,250],[143,261],[170,335],[126,417],[194,442]],"negative_points":[[40,330],[241,335],[143,177],[143,503]],"evidence":"目标是最左侧含青色麦克风和“Voice”标签的圆角卡片。边界框紧贴整张卡片的外缘，包含表面、边框、图标和文字；正点分布在这些内容及卡片表面，负点位于卡片四周的外部背景。"}},{"name":"Images feature card","description":"The second rounded feature card, containing a mint-colored landscape icon with a yellow sun and the label “Images.”","membership":"Include the complete card surface, boundary, landscape illustration, and label. Exclude adjacent cards and temporary emphasis marks.","id":"obj_006","temporal":{"status":"found","start_s":1.5,"end_s":7.25,"reference_s":3.25,"evidence":"目标是从左数第二张圆角卡片，含薄荷色山景、黄色太阳和“Images”标签。1.50秒卡片表面及完整边界已建立，之后标签和边框的动画不改变卡片身份；前一帧1.25秒仍在初始显现。最后合格帧为7.00秒，7.25秒开始整体淡出。选择3.25秒作为关键帧，卡片清晰完整、无遮挡，且没有临时强调标记。","start_frame":36,"end_frame":174,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[246.1,206.6,409.2,467.9],"positive_points":[[263,239],[389,263],[322,300],[342,252],[329,418],[279,445]],"negative_points":[[201,355],[453,355],[327,175],[326,502]],"evidence":"目标是从左数第二张带薄荷绿色边框、风景图标和黄色太阳及“Images”标签的卡片。边界框紧贴完整圆角卡片外缘，覆盖表面、边框、插图和文字；正点分布在卡片表面、图标、太阳及标签上，负点位于左右相邻卡片和目标上下方的外部背景。"}},{"name":"Custom GPTs feature card","description":"The middle rounded feature card, containing a green polygonal symbol with a circular center and the label “Custom GPTs.”","membership":"Include the card surface, boundary, symbol, and label. Exclude neighboring cards and transient emphasis marks.","id":"obj_007","temporal":{"status":"found","start_s":2.25,"end_s":7.25,"reference_s":3.25,"evidence":"目标是中间含绿色多边形与圆心、标注“Custom GPTs”的圆角卡片。2.25秒为边框、符号及文字均完成呈现的首帧；前一帧2.00秒的标签仍处于描绘填充阶段。最后合格帧为7.00秒，7.25秒卡片开始整体淡出。选择3.25秒作为关键帧，此时卡片清晰完整、无遮挡，且没有黄色强调边框或瞬时强调标记。","start_frame":54,"end_frame":174,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[430.5,206.5,593.5,468],"positive_points":[[444,238],[512,295],[477,334],[559,361],[489,416],[577,445]],"negative_points":[[389,346],[632,341],[515,177],[515,505]],"evidence":"目标是中央标有“Custom GPTs”的绿色圆角卡片。边界框紧贴整张卡片外缘，包含表面、边框、多边形圆心图标及文字。六个正点分布于卡片表面、图标和标签，四个负点位于左右相邻卡片及目标上下的外部背景。"}},{"name":"Files feature card","description":"The fourth rounded feature card, with an orange document icon and the label “Files.”","membership":"Include the complete card surface, boundary, document icon, and label. Exclude neighboring cards and temporary emphasis effects.","id":"obj_008","temporal":{"status":"found","start_s":2.5,"end_s":7.25,"reference_s":3.25,"evidence":"目标是从左数第四张圆角卡片，含橙色文档图标和“Files”标签。2.50秒卡片表面、完整边界及图标已建立，2.25秒仍在逐步绘制和揭示。最后合格帧为7.00秒，7.25秒开始整体淡出。选择3.25秒作为关键帧，此时卡片清晰无遮挡，且边界尚未出现临时黄色强调效果。","start_frame":60,"end_frame":174,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[614.7,206.6,778,468],"positive_points":[[635,243],[696,288],[692,417],[754,408],[635,442],[752,239]],"negative_points":[[512,338],[879,339],[600,347],[696,508]],"evidence":"目标是从左数第四张卡片，具有橙色文档图标和“Files”标签。边界框紧贴完整圆角卡片，包含表面、边框、图标及文字。正点分布在卡片表面、图标和标签上；负点位于左右相邻卡片、卡片间隙及下方外部背景。"}},{"name":"Agents feature card","description":"The rightmost rounded feature card, containing a pink triangular symbol, a yellow star, and the label “Agents.”","membership":"Include the card surface, rounded boundary, both symbols, and label. Exclude surrounding space and transient emphasis marks.","id":"obj_009","temporal":{"status":"found","start_s":3.25,"end_s":7.25,"reference_s":3.25,"evidence":"目标是最右侧含粉色三角形、黄色星形及“Agents”标签的圆角卡片。3.25秒首次完整呈现；此前3.00秒标签末尾仍在描绘、填充。最后合格帧为7.00秒，7.25秒卡片开始整体淡出。选择3.25秒作关键帧，卡片无遮挡、粉色边界清晰，且尚无黄色强调效果。","start_frame":78,"end_frame":174,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[799.3,206.6,962.4,467.9],"positive_points":[[818,248],[861,315],[900,261],[880,413],[943,351],[822,439]],"negative_points":[[778,337],[978,363],[881,494],[881,181]],"evidence":"目标是最右侧含粉色三角形、黄色星形及“Agents”文字的圆角卡片。边界框紧贴卡片外缘，覆盖表面、边框、两个符号和标签；正点分布于符号、标签及卡片表面，负点位于卡片外的背景和左侧相邻卡片上。"}},{"name":"All in one app statement","description":"Bold yellow text reading “...all in one app,” revealed beneath the five feature cards.","membership":"Include the full text block as it is revealed. Exclude the cards above and the brief radiating yellow emphasis strokes.","id":"obj_010","temporal":{"status":"found","start_s":5.0,"end_s":7.25,"reference_s":6.0,"evidence":"目标是五张功能卡片下方的黄色粗体文字“...all in one app”，不包括卡片和放射状强调线。5.00秒文字首次完整呈现，7.00秒为最后一个合格帧；此前4.75秒末尾文字仍在逐步揭示，此后7.25秒文字已开始淡出。选择6.00秒作为关键帧，文字完整清晰，无强调线干扰。","start_frame":120,"end_frame":174,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[367.2,565.1,656.3,632],"positive_points":[[370.6,611.5],[439.5,590.3],[463.9,598.1],[536.1,599],[614.3,618.1],[638.2,623.3]],"negative_points":[[349.6,595.5],[680.7,599],[507.8,678.8],[511.7,415.8]],"evidence":"目标是五张功能卡片下方的黄色粗体“...all in one app”。边界框紧贴完整文字，包含省略号及字母下伸部分；六个正点分布在省略号和各段文字的笔画上，负点位于文字左右、���方背景及上方功能卡片，排除卡片与其他内容。"}},{"name":"GPT-5.5 heading","description":"Large white “GPT-5.5” title at the top of the model-capabilities presentation.","membership":"Include only the title lettering, retaining its progressive reveal. Exclude the subtitle and graphics below.","id":"obj_011","temporal":{"status":"found","start_s":8.75,"end_s":22.5,"reference_s":9.5,"evidence":"目标是画面顶部的大号白色“GPT-5.5”标题，仅包含标题字母。8.75秒首次完成文字显现；前一帧8.50秒末尾的“5”仍在显现、填充中。最后 qualifying 帧为22.25秒，22.50秒标题消失并切换为“Real advantage:”场景。选择9.50秒作为关键帧，标题完整清晰、无遮挡，且与下方副标题明确分离。","start_frame":210,"end_frame":540,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[393,63,607,143],"positive_points":[[400,104],[444,110],[492,108],[520,111],[540,74],[600,122]],"negative_points":[[499,196],[350,110],[660,110],[500,300]],"evidence":"目标是图像顶部白色大标题“GPT-5.5”。边界框紧贴完整标题字形；六个正点分布在标题不同字符的笔画上，负点位于下方蓝色副标题及标题外的深色背景，排除副标题和下方区域。"}},{"name":"Reasoning beast subtitle","description":"Cyan text reading “a reasoning beast,” directly below the “GPT-5.5” title.","membership":"Include only the subtitle text. Exclude the main title and the capability graphics.","id":"obj_012","temporal":{"status":"found","start_s":9.5,"end_s":22.5,"reference_s":9.75,"evidence":"目标是“GPT-5.5”标题正下方的青色字幕“a reasoning beast”。首个符合条件的帧为9.50秒，9.25秒字幕仍处于淡入、颜色较暗；最后符合条件的帧为22.25秒，22.50秒已切换为“Real advantage:”画面，目标消失。选择9.75秒作为关键帧，字幕完整清晰，附近尚无能力图形干扰。","start_frame":228,"end_frame":540,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[367.7,177.9,632.3,231.8],"positive_points":[[380.4,210.1],[398.4,205.7],[466.3,215.3],[535.2,224.8],[556.6,206.6],[627.4,210.1]],"negative_points":[[445.3,92.0],[341.8,204.9],[651.9,208.3],[498.0,269.1]],"evidence":"目标是主标题“GPT-5.5”正下方的青色文字“a reasoning beast”。边界框紧贴整行副标题，包括字母间距及下伸笔画；六个正点分布在各部分的字母笔画上，四个负点位于上方主标题及副标题左、右、下方的外部背景。"}},{"name":"GDP benchmark gauge arc","description":"A semicircular gauge on the left, initially gray and progressively overlaid with a yellow progress arc.","membership":"Include the visible curved gauge strokes and their changing yellow and gray segments. The curve remains open: exclude the empty area below and inside the arch, the percentage text, and the label.","id":"obj_013","temporal":{"status":"found","start_s":10.75,"end_s":22.5,"reference_s":14.75,"evidence":"目标是画面左侧的开放半圆仪表弧，由灰色底弧及逐渐覆盖的黄色进度弧组成，不包含百分比和标签。10.75秒首次完整呈现，前一帧10.5秒右侧弧线仍未绘制完成；22.25秒是最后合格帧，22.5秒已切换为文字场景，弧线消失。选择14.75秒作为关键帧，此时黄色与灰色弧段清晰完整，没有遮挡或附加闪烁装饰。","start_frame":258,"end_frame":540,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[64.9,325.5,291.5,528.6],"positive_points":[[68.4,513.9],[83.5,425.3],[126,355],[187,332.5],[249,375.9],[285.6,485.2]],"negative_points":[[51.3,390.6],[306.2,485.2],[137.7,460.9],[153.8,625]],"evidence":"目标是左侧百分比上方的开放半圆仪表弧，主要为黄色，右端为灰色。边界框紧贴全部可见弧线；六个正点分布在黄色弧段和右侧灰色弧段上。负点位于弧外背景，以及明确排除的百分比文字和GDP标签上，不标记拱内自然空白。"}},{"name":"GDP benchmark percentage","description":"Bold yellow “84.9%” displayed beneath the arch of the left benchmark gauge.","membership":"Include only the percentage lettering. Exclude the gauge arc, the “GDP val” label, and transient radiating emphasis marks.","id":"obj_014","temporal":{"status":"found","start_s":13.5,"end_s":22.5,"reference_s":14.75,"evidence":"目标是左侧基准仪表弧线下方的黄色粗体“84.9%”，仅计百分比文字。13.50秒首次完整实心呈现，持续至22.25秒；此前13.25秒部分字符仍处于描边揭示阶段，之后22.50秒切换为“Real advantage”画面，目标消失。选择14.75秒作为关键帧，文字清晰且没有瞬时放射强调线干扰。","start_frame":324,"end_frame":540,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[123.0,433.2,234.0,486.1],"positive_points":[[127.0,470.5],[157.7,453.1],[170.9,479.2],[190.4,438.4],[216.8,459.2],[231.4,474.0]],"negative_points":[[178.2,331.6],[131.4,620.7],[103.5,456.6],[254.4,469.6]],"evidence":"目标是左侧仪表弧线下方的黄色粗体“84.9%”。边界框紧贴完整百分比文字，正点分布于数字、小数点和百分号的笔画上；负点位于仪表弧线、“GDP val”标签及文字两侧的外部背景，均不包含在目标中。"}},{"name":"GDP val label","description":"Gray text reading “GDP val” beneath the left benchmark gauge.","membership":"Include only the label text. Exclude the percentage and gauge graphic above.","id":"obj_015","temporal":{"status":"found","start_s":13.5,"end_s":22.5,"reference_s":14.75,"evidence":"目标为左侧基准仪表盘下方的灰色“GDP val”文字，不含上方百分比和弧线。13.50秒文字首次完整呈现；此前13.25秒末尾字母仍在描绘、填充。最后合格帧为22.25秒，22.50秒已切换到“Real advantage”页面，标签消失。选择14.75秒作为关键帧，文字清晰完整且无遮挡。","start_frame":324,"end_frame":540,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[127,606.8,230,644.1],"positive_points":[[129.4,625],[151.9,625],[171.4,619.8],[200.7,633.7],[216.3,638.9],[228.5,625]],"negative_points":[[177,462],[179,332],[112,624],[247,625]],"evidence":"目标是左侧仪表下方的灰色“GDP val”标签，边界框紧贴完整文字。六个正点分布在各字符笔画上；负点位于上方百分比、仪表弧线及文字左右的外部背景，排除非标签内容。"}},{"name":"400K context value","description":"Large mint-colored “400K” value above the horizontal context-capacity bar in the center.","membership":"Include only the value text, excluding the bar below and its explanatory caption.","id":"obj_016","temporal":{"status":"found","start_s":15.5,"end_s":22.5,"reference_s":18.5,"evidence":"目标为画面中央、横向容量条上方的薄荷绿色“400K”数值，仅包含文字。15.50秒文字首次完整实心呈现，15.25秒仍处于描边和填充揭示阶段；最后符合条件的帧为22.25秒，22.50秒已切换为“Real advantage”画面，目标消失。选择18.50秒为关键帧，文字清晰完整、无遮挡，且与下方条形图及说明文字分离。","start_frame":372,"end_frame":540,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[475.1,330.7,575.7,389.0],"positive_points":[[490.7,346.4],[483.4,371.5],[502.9,357.6],[531.7,337.7],[550.8,359.4],[568.4,380.2]],"negative_points":[[526,290],[460,365],[599,365],[530,495]],"evidence":"目标是中央横向容量条上方的薄荷绿色“400K”。边界框紧贴完整数值文字，不含下方横条或说明文字。六个正点分布在各字符的实际笔画上；负点位于文字上方及左右的外部背景，以及明确排除的容量条内。"}},{"name":"Context-capacity bar","description":"A long rounded horizontal bar in the center, with a gray outline and dark track that progressively fills with mint green.","membership":"Include the entire rounded bar boundary, track surface, and changing fill. Exclude the “400K” value above and the caption below.","id":"obj_017","temporal":{"status":"found","start_s":16.25,"end_s":22.5,"reference_s":17.0,"evidence":"目标是画面中央、400K下方的灰色描边圆角横条，包含深色轨道及逐渐增长的薄荷绿填充，不含数值和下方说明。16.00秒右端边界尚未绘制完整，16.25秒首次结构完整；此后填充变化不影响其连续存在。最后符合条件的帧为22.25秒，22.50秒已切换为文字画面、横条消失。选择17.00秒作为关键帧，边界清楚且绿色填充和未填充轨道均易于区分。","start_frame":390,"end_frame":540,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[368.2,452.3,683.6,540.8],"positive_points":[[385,490],[454,479],[538,510],[584,480],[651,514],[679,493]],"negative_points":[[524,358],[285,476],[625,424],[509,582]],"evidence":"目标是图像中央、“400K”下方的圆角横条。边界框紧贴整条灰色外框，涵盖深色轨道及薄荷绿色填充；正点分布在填充和轨道表面，负点位于上方数值、左侧弧形图及横条外部背景，不包含其他文字或图形。"}},{"name":"Context and Codex caption","description":"Gray text reading “token context · Codex” beneath the mint context-capacity bar.","membership":"Include the complete caption text as it is revealed. Exclude the bar and the value above.","id":"obj_018","temporal":{"status":"found","start_s":18.5,"end_s":22.5,"reference_s":21.5,"evidence":"目标是薄荷绿色容量条下方的灰色完整文字“token context · Codex”。18.5秒首次完整显示，22.25秒为最后一个符合条件的帧；此前18.25秒的“Codex”仍未揭示完整，此后22.5秒画面切换， caption已消失。选择21.5秒为关键帧，文字清晰、完整且无遮挡。","start_frame":444,"end_frame":540,"reference_frame":516},"grounding":{"status":"found","bbox_xyxy":[369.1,603.3,682.5,645.0],"positive_points":[[374.0,625.9],[401.9,619.8],[455.1,631.1],[573.2,625.0],[598.6,625.0],[659.2,626.7]],"negative_points":[[524.9,494.8],[524.9,357.6],[534.7,694.4],[178.7,625.0]],"evidence":"目标是薄荷色容量条下方的灰色“token context · Codex”字幕。边界框紧贴完整单行文字，包含词间空格和中点。六个正点分布在字幕的字形笔画及中点上；负点位于上方容量条、400K数值、下方背景和左侧另一段标签，均不属于目标。"}},{"name":"Foundation pedestal","description":"An orange-outlined horizontal rounded base on the right of the model-capabilities slide, beneath the app tile and later the OpenAI emblem.","membership":"Include the pedestal's orange boundary and brown interior surface. Exclude the separately presented tile or emblem above it and the caption below; preserve its identity through overlap.","id":"obj_019","temporal":{"status":"found","start_s":18.75,"end_s":22.5,"reference_s":19.25,"evidence":"目标是能力介绍页右侧的橙色圆角横向底座，包含橙色边框和棕色内面。18.75秒已呈现完整的小型底座，随后整体放大；18.50秒尚未出现。末个合格帧为22.25秒，22.50秒已切换到文字页面，底座消失。上方图标的变化和遮挡不改变底座身份。选择19.25秒作为关键帧，此时底座清楚且未被图标遮挡。","start_frame":450,"end_frame":540,"reference_frame":462},"grounding":{"status":"found","bbox_xyxy":[761.7,516.5,933.1,573.8],"positive_points":[[768,540],[799,553],[826,531],[866,553],[902,538],[930,550]],"negative_points":[[845,482],[845,610],[735,545],[960,548]],"evidence":"目标是画面右侧的橙色描边横向圆角底座。边界框紧贴其外缘，包含橙色边界及棕色内部表面；六个正点分布于底座内部和边界，四个负点位于其上、下、左、右的外部深色背景。"}},{"name":"Super app tile","description":"An upright orange-outlined rounded tile on the right, containing the two-line text “super app,” positioned above the orange pedestal before the emblem appears.","membership":"Include the tile surface, boundary, and internal text. Exclude the pedestal and the later white OpenAI emblem.","id":"obj_020","temporal":{"status":"found","start_s":19.5,"end_s":20.5,"reference_s":20.25,"evidence":"目标是右侧橙色底座上方、内含两行“super app”的橙色描边圆角竖立方块，不含底座。19.5秒首次以很小的完整方块出现，随后整体放大；20.25秒为最后合格帧。此前19.25秒只有底座，之后20.5秒方块被白色OpenAI徽标替代。选择20.25秒作为关键帧，因为方块边界和文字清晰且无遮挡。","start_frame":468,"end_frame":492,"reference_frame":486},"grounding":{"status":"found","bbox_xyxy":[788.1,332.5,906.3,513.9],"positive_points":[[801,355],[891,357],[844,397],[830,441],[812,483],[887,489]],"negative_points":[[849,545],[768,416],[930,449],[846,303]],"evidence":"目标是右侧橙色圆角描边、内含两行“super app”文字的直立卡片。边界框紧贴卡片外缘，包含表面、边框和文字，不包含下方底座。正点分布于卡片表面及文字，负点位于底座和卡片外围背景。"}},{"name":"OpenAI foundation emblem","description":"A black interwoven OpenAI symbol on a white scalloped badge, replacing the upright app tile above the orange pedestal.","membership":"Include the complete white badge and black symbol, following the badge's scalloped outer outline. Exclude the orange pedestal and text below.","id":"obj_021","temporal":{"status":"found","start_s":20.5,"end_s":22.5,"reference_s":21.5,"evidence":"目标为橙色底座上方的白色波浪边徽章，内含黑色交织 OpenAI 标志，不包含底座或下方文字。首个完整呈现帧为20.50秒，最后合格帧为22.25秒；前一帧20.25秒仍是橙色“super app”立板，后一帧22.50秒已切换到“Real advantage”文字场景，徽章消失。选择21.50秒作为关键帧，因为徽章轮廓完整、标志清晰且无遮挡。","start_frame":492,"end_frame":540,"reference_frame":516},"grounding":{"status":"found","bbox_xyxy":[764,263.9,935.1,567.7],"positive_points":[[849.6,284.7],[776.4,416.7],[922.9,414.9],[849.6,546],[809.6,393.2],[881.8,449.7]],"negative_points":[[776,553],[921,552],[849,632],[961,409]],"evidence":"目标位于图像右侧，为白色扇瓣状徽章及其内部黑色 OpenAI 编织标志。边界框紧贴徽章外轮廓，不包含橙色底座和下方文字。六个正点分布于徽章四周及内部标志，四个负点位于底座、下方文字区域和右侧外部背景。"}},{"name":"Foundation caption","description":"Gray text reading “the foundation” beneath the OpenAI emblem and orange pedestal.","membership":"Include only the caption text as it is revealed. Exclude the emblem and pedestal.","id":"obj_022","temporal":{"status":"found","start_s":21.25,"end_s":22.5,"reference_s":21.5,"evidence":"目标是 OpenAI 徽标和橙色底座下方的灰色文字“the foundation”，不包括徽标和底座。21.25 秒文字首次完整显示，22.25 秒为最后一个 qualifying 帧；此前 21.00 秒末尾字母仍在描绘，之后 22.50 秒已切换为“Real advantage”画面，目标消失。选择 21.50 秒作为关键帧，文字完整、清晰且无遮挡。","start_frame":510,"end_frame":540,"reference_frame":516},"grounding":{"status":"found","bbox_xyxy":[781.3,615.5,913.6,645.0],"positive_points":[[784.7,631.9],[791.0,627.6],[819.8,629.3],[836.4,635.4],[865.7,624.1],[906.7,633.7]],"negative_points":[[830.1,553.8],[849.6,414.1],[844.7,680.6],[766.6,631.9]],"evidence":"目标是右侧 OpenAI 徽标和橙色底座下方的灰色文字“the foundation”。边界框紧贴整段文字，六个正点分布在不同字符的笔画上；负点位于上方徽标、底座及文字外围背景，不包含文字内部空隙。"}},{"name":"Ecosystem advantage heading","description":"A two-line statement reading “Real advantage:” in gray and “the ecosystem” in bold cyan, initially large and centered, then reduced and moved to the top.","membership":"Include both lines as one complete text block throughout its scaling and movement. Exclude the network diagram subsequently shown below.","id":"obj_023","temporal":{"status":"found","start_s":23.5,"end_s":27.0,"reference_s":23.5,"evidence":"目标是灰色“Real advantage:”与粗体青色“the ecosystem”组成的两行文字。23.50秒首次完整呈现；23.25秒末尾字母仍在显现。此后文字缩小并移到顶部，持续保留至26.75秒；27.00秒已切换为“ChatGPT by the numbers”，目标消失。选择23.50秒作为关键帧，因为两行文字较大、清晰且无遮挡；不包含后续下方网络图。","start_frame":564,"end_frame":648,"reference_frame":564},"grounding":{"status":"found","bbox_xyxy":[315.4,409,684.6,594],"positive_points":[[395.5,430],[449.5,431],[604.5,424],[324,548],[427,544],[678,550]],"negative_points":[[270,510],[730,520],[500,350],[500,660]],"evidence":"图中居中的灰色“Real advantage:”与青色粗体“the ecosystem”共同构成目标。边界框紧贴两行文字的整体可见范围；六个正点分布于两行的实际字形笔画上，四个负点位于文字块上、下、左、右的外部深色背景。"}},{"name":"GPT ecosystem network","description":"A hub-and-spoke diagram below the ecosystem heading: a large cyan central circle labeled “GPT,” connected to six smaller colored circles.","membership":"Include all node surfaces, circular boundaries, the central label, and connecting lines as one coherent diagram. Each circle includes its enclosed area; exclude empty space between branches and the heading above.","id":"obj_024","temporal":{"status":"found","start_s":26.5,"end_s":27.0,"reference_s":26.5,"evidence":"目标是生态系统标题下方的 GPT 中心青色圆、六个彩色外围圆及其连接线组成的网络。首个合格帧为26.50秒，所有节点和连线均已完整建立；前一帧26.25秒右下分支连线尚未连接到节点。最后合格帧为26.75秒，27.00秒已切换为“ChatGPT by the numbers”场景，网络消失。选择26.50秒作为关键帧，图形完整清晰且无遮挡。","start_frame":636,"end_frame":648,"reference_frame":636},"grounding":{"status":"found","bbox_xyxy":[351.1,200.5,648.9,799.7],"positive_points":[[498,232],[370,361],[631,367],[375,637],[624,637],[503,767]],"negative_points":[[500,136],[435,650],[570,290],[330,490]],"evidence":"目标是标题下方以“GPT”为中心、连接六个彩色圆节点的网络图。边界框紧贴所有节点的最外缘，包含中心圆、标签及连接线，不含上方标题。六个正点分布在外围六个节点的填充区域；负点位于标题、分支间空白及图外背景。"}},{"name":"ChatGPT by the numbers heading","description":"Large white title reading “ChatGPT by the numbers” at the top of the audience-statistics slide.","membership":"Include only the title text. Exclude the statistics and comparison graphic below.","id":"obj_025","temporal":{"status":"found","start_s":27.5,"end_s":32.75,"reference_s":28.75,"evidence":"目标是统计页面顶部的白色标题“ChatGPT by the numbers”，不含下方数据和比较图。27.5秒标题首次完整呈现，前一帧27.25秒文字仍在逐步揭示；32.5秒为最后合格帧，后一帧32.75秒标题已开始变暗淡出。选择28.75秒作为关键帧，标题完整清晰且无遮挡。","start_frame":660,"end_frame":786,"reference_frame":690},"grounding":{"status":"found","bbox_xyxy":[320.8,87.7,679,139.8],"positive_points":[[325.2,108.5],[346.7,104.2],[439.5,92],[461.9,108.5],[556.6,108.5],[673.8,123.3]],"negative_points":[[500,60],[290,110],[345,250],[640,250]],"evidence":"目标是画面顶部白色标题“ChatGPT by the numbers”。边界框紧贴整行标题，包含全部字母及字间空隙；六个正点分布在标题不同位置的字母笔画上。负点位于标题上方、左侧背景以及下方两组统计数字上，不包含在目标内。"}},{"name":"Weekly users statistic","description":"A cyan “900M” value paired with the gray label “weekly users” on the left beneath the statistics heading.","membership":"Include the value and its directly associated label as one reading unit. Exclude the neighboring subscriber statistic and slide title.","id":"obj_026","temporal":{"status":"found","start_s":28.25,"end_s":33.0,"reference_s":29.5,"evidence":"目标为统计标题下方左侧青色“900M”及其灰色“weekly users”标签。28.25秒两部分首次完整呈现，28.00秒标签仍在逐字显现；32.75秒仍完整可见，33.00秒已开始整体淡出。选择29.50秒作为关键帧，数值和标签清晰无遮挡，与右侧订阅人数统计易于区分。","start_frame":678,"end_frame":792,"reference_frame":708},"grounding":{"status":"found","bbox_xyxy":[273.4,213.5,416,360.4],"positive_points":[[280.8,237.8],[310.5,256.1],[363.3,254.3],[376.5,260.4],[335,340],[357,337.7]],"negative_points":[[439.5,109.4],[595.2,244.8],[235.8,260.4],[346.7,404.5]],"evidence":"目标是标题下方左侧的青色“900M”及灰色“weekly users”。边界框紧密覆盖数值和关联标签；六个正点分布在两行文字的实际笔画上，四个负点位于标题、右侧订阅统计及目标外部背景。"}},{"name":"Paying subscribers statistic","description":"A yellow “50M” value paired with the gray label “paying subscribers” on the right beneath the statistics heading.","membership":"Include the value and its directly associated label. Exclude the neighboring weekly-users statistic and temporary radiating emphasis strokes.","id":"obj_027","temporal":{"status":"found","start_s":28.75,"end_s":33.0,"reference_s":29.5,"evidence":"目标是统计标题下方右侧的黄色“50M”及其灰色“paying subscribers”标签，不包括左侧周用户统计和放射强调线。28.75秒两部分首次完整呈现；前一帧28.50秒标签仍在揭示。最后合格帧为32.75秒，目标本身仍完整清晰；33.00秒目标开始淡出。选择29.50秒作为关键帧，数值和标签清楚、无遮挡，且临时放射线已消失。","start_frame":690,"end_frame":792,"reference_frame":708},"grounding":{"status":"found","bbox_xyxy":[555,214,727,361],"positive_points":[[601,224],[643,254],[691,254],[557,346],[625,336],[723,349]],"negative_points":[[288,243],[488,110],[760,269],[645,410]],"evidence":"目标位于标题下方右侧，由黄色“50M”和灰色“paying subscribers”组成。边界框紧密覆盖数值及其标签；六个正点分布在两部分的文字笔画上。负点位于左侧周用户统计、上方标题以及目标右侧和下方的外部背景，不包含文字内部空隙。"}},{"name":"Netflix comparison heading","description":"Gray text reading “vs Netflix subscribers” above the two horizontal comparison bars.","membership":"Include only the complete heading text. Exclude the bars below and statistics above.","id":"obj_028","temporal":{"status":"found","start_s":30.0,"end_s":33.0,"reference_s":32.25,"evidence":"目标是两条横向比较条上方的灰色标题“vs Netflix subscribers”。30.00秒首次完整显示，29.75秒末尾文字仍在揭示；32.75秒标题仍完整可见，33.00秒已开始淡出，因此最后合格帧为32.75秒。选择32.25秒为关键帧，标题清晰完整，与下方比较条及上方统计数字容易区分。","start_frame":720,"end_frame":792,"reference_frame":774},"grounding":{"status":"found","bbox_xyxy":[399.9,447.9,600.6,476.6],"positive_points":[[402.3,461.8],[431.2,461.8],[483.9,468.8],[498.5,458.3],[532.2,458.3],[596.7,472.2]],"negative_points":[[488.3,416.7],[488.3,538.2],[378.4,463.5],[620.1,463.5]],"evidence":"目标是两条比较横条上方的灰色标题“vs Netflix subscribers”。边界框紧贴整段文字，六个正点分布在各部分字形笔画上；负点位于标题上方及左右的背景和下方黄色横条，排除横条与上方统计信息。"}},{"name":"Subscriber comparison chart","description":"Two stacked rounded horizontal bars: a yellow upper bar labeled “GPT · 50M” and a red lower bar labeled “Netflix · ~301M.” The bars grow during their reveal.","membership":"Include both bar surfaces, outlines, and internal labels as one comparison chart. Exclude the heading above, the separate “bigger.” statement on the right, and empty space around the bars.","id":"obj_029","temporal":{"status":"found","start_s":31.75,"end_s":32.75,"reference_s":32.25,"evidence":"目标为上下堆叠的黄色“GPT · 50M”和红色“Netflix · ~301M”圆角横条，包含边框及内部标签。31.75秒首次两条横条及标签均完成呈现；前一帧31.50秒下方标签仍在描绘。最后合格帧为32.50秒，下一帧32.75秒图表开始整体淡出。选择32.25秒作为关键帧，两条横条和标签清晰完整，无遮挡；不包含上方标题及右侧“bigger.”文字。","start_frame":762,"end_frame":786,"reference_frame":774},"grounding":{"status":"found","bbox_xyxy":[340.8,518.2,659.7,703.1],"positive_points":[[364,551],[498,557],[635,551],[359,664],[439,673],[520,664]],"negative_points":[[488,464],[732,551],[303,569],[454,747]],"evidence":"目标是上方标有“GPT · 50M”的黄色圆角条和下方标有“Netflix · ~301M”的红色圆角���。边界框紧贴两条的整体外沿，包含表面、轮廓及内部标签；正点分布在两条的左、中、右部，负点位于上方标题、右侧“bigger.”文字及左侧和下方外部背景。"}},{"name":"Bigger comparison statement","description":"Bold yellow text reading “bigger.” to the right of the upper yellow comparison bar.","membership":"Include only the statement lettering and punctuation. Exclude the adjacent bar and its label.","id":"obj_030","temporal":{"status":"found","start_s":32.0,"end_s":32.75,"reference_s":32.25,"evidence":"目标是上方黄色比较条右侧的粗体黄色“bigger.”字样，仅包含文字和句点。32.00秒首次完整且清晰呈现，32.50秒为最后合格帧；此前31.75秒文字仍在淡入，之后32.75秒已开始变暗淡出。选择32.25秒作为关键帧，文字明亮完整、无遮挡，且与旁边比较条容易区分。","start_frame":768,"end_frame":786,"reference_frame":774},"grounding":{"status":"found","bbox_xyxy":[685.5,526.9,790,582.5],"positive_points":[[688.5,549.5],[723.1,577.3],[742.2,577.3],[756.8,555.6],[774.9,549.5],[787.1,565.1]],"negative_points":[[634.8,555.6],[737.3,494.8],[805.7,555.6],[737.3,616.3]],"evidence":"目标是上方黄色比较条右侧的粗体黄色“bigger.”。边界框紧贴完整字母及句点，包含下伸笔画；六个正点分布在字母笔画和句点上，负点位于左侧比较条及文字上方、右侧和下方的外部背景。"}},{"name":"The platform heading","description":"Large white title reading “The platform” in the final sampled presentation.","membership":"Include only the heading text. Exclude the rounded panel below.","id":"obj_031","temporal":{"status":"found","start_s":33.75,"end_s":34.0,"reference_s":33.75,"evidence":"目标是最终画面上方的白色标题“The platform”，不包括下方圆角面板。33.50秒末尾字母仍处于描边和填充揭示阶段；33.75秒标题完整呈现，是首个也是最后一个合格采样帧，故选作关键帧。区间延续至视频结束34.00秒，没有后续采样帧。","start_frame":810,"end_frame":816,"reference_frame":810},"grounding":{"status":"found","bbox_xyxy":[403.8,86.8,596.5,142.4],"positive_points":[[413.1,91.1],[428.2,112],[451.2,126.7],[474.6,128],[493.7,105],[592.8,112]],"negative_points":[[390,115],[500,60],[422.4,265.6],[484.9,267.4]],"evidence":"目标是图像上方居中的白色大标题“The platform”。边界框紧贴整段标题文字，包含字母下伸部分，不包含下方圆角面板。六个正点分布在标题不同字母的笔画上；负点位于标题外背景及下方被排除的面板边线和文字上。"}}]}
+{"video_id":219,"video_type":"data and scientific visualization","targets":[{"name":"Deque heading","description":"Centered heading with light-blue “Deque” above the white expansion “Double-Ended Queue”.","membership":"Includes both lines of heading text only; excludes the statement and diagram below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":5.5,"reference_s":0.25,"evidence":"目标为画面顶部居中的浅蓝色“Deque”和下方白色“Double-Ended Queue”两行标题。首个合格帧为0.00秒，标题已完整呈现；最后合格帧为5.25秒，两行仍完整可见，5.50秒画面转黑、标题消失。区间始于视频开头，无更早采样帧。选择0.25秒作为关键帧，标题清晰完整且无遮挡，易与下方陈述及图示区分。","start_frame":0,"end_frame":132,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[412.5,26.9,587.5,137.2],"positive_points":[[460.5,47.7],[486.3,62.8],[526.9,52.1],[415.0,117.2],[480.8,117.8],[536.8,116.3]],"negative_points":[[500,12],[385,112],[500,177],[500,550]],"evidence":"目标是居中的浅蓝色“Deque”及其下方白色“Double-Ended Queue”两行标题。边界框紧密覆盖这两行文字；六个正点分布在两行的字形笔画上，负点位于标题外的黑色背景、下方黄色陈述和队列图中，均不属于标题。"}},{"name":"Deque dual-role statement","description":"Large yellow text reading “A Deque is both at once.” beneath the heading.","membership":"Includes the complete text as it appears and fades; excludes surrounding graphics.","id":"obj_002","temporal":{"status":"found","start_s":0.0,"end_s":4.0,"reference_s":0.25,"evidence":"目标是标题下方的大号黄色完整文字“A Deque is both at once.”。首个合格帧为0.00秒，视频起点之前无采样帧；最后合格帧为3.75秒，紧邻的4.00秒帧中文字已开始变暗淡出，因此不纳入。选择0.25秒作关键帧，文字完整清晰，与周围图形分离，便于标注。","start_frame":0,"end_frame":96,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[299.2,147.6,702.1,214.4],"positive_points":[[315,165],[343.5,177],[459.5,183],[496,174.5],[581,183],[698.8,194.8]],"negative_points":[[500,52],[500,119],[500,280],[500,550]],"evidence":"目标是标题下方的黄色大字“A Deque is both at once.”。边界框紧贴整句文字���包含下伸笔画及句末句点；六个正点分布在文字笔画和句点上，四个负点位于上方标题、副标题、下方黑色背景及队列图形上。"}},{"name":"Five-element deque","description":"Horizontal blue, white-bordered sequence containing 10, 25, 37, 42, and 58, with 10 at the front and 58 at the back.","membership":"Includes the five cell surfaces, borders, dividers, and numbers. Excludes external labels, arrows, and temporary endpoint emphasis overlays.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":5.5,"reference_s":0.25,"evidence":"目标为含10、25、37、42、58的五格蓝色双端队列，白色外框及分隔线完整；外部标签、箭头及临时端点强调层不计入。首个合格帧为0.00秒，已完整出现，视频起点前无采样帧。最后合格帧为5.25秒，5.50秒画面已清空。选择0.25秒作为关键帧，五格及数字清晰完整，无端点强调层遮挡。","start_frame":0,"end_frame":132,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[278.8,487.8,721.2,612.0],"positive_points":[[301,521],[411,553],[492,515],[591,574],[685,520],[456,591]],"negative_points":[[197,550],[797,549],[500,427],[509,713]],"evidence":"目标是图中横向排列、依次含10、25、37、42、58的五格蓝色双端队列。边界框紧贴整体白色外边框，覆盖单元格表面、数字及分隔线。正点分布在五个单元格及分隔线上；负点位于外部FRONT、BACK标签、上方黑色背景和下方说明文字处。"}},{"name":"FRONT annotation","description":"Light-green “FRONT” text to the left of the five-element deque.","membership":"Includes the text only; excludes the adjacent arrow and deque cells.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":5.5,"reference_s":0.25,"evidence":"目标是五个 deque 单元左侧的浅绿色“FRONT”文字，不包括旁边箭头。首个合格帧为0.00秒，文字已完整呈现；最后合格帧为5.25秒，5.50秒场景已消失。区间到达视频起点，无更早采样帧。选择0.25秒作为关键帧，因为文字清晰完整，且没有后续叠加文字的干扰。","start_frame":0,"end_frame":132,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[143.55,531.25,241.7,568.58],"positive_points":[[147.95,539.06],[147.95,559.9],[165.53,539.93],[184.57,548.61],[206.54,550.35],[231.93,551.22]],"negative_points":[[261.72,550.35],[292.97,538.19],[190.43,503.47],[188.96,596.35]],"evidence":"目标是五个队列单元左侧的浅绿色“FRONT”文字。边界框仅覆盖完整文字，不含右侧箭头和单元格；六个正点分布在字母笔画上，四个负点位于箭头、首个单元格及文字上下的外部黑色背景。"}},{"name":"BACK annotation","description":"Pink “BACK” text to the right of the five-element deque.","membership":"Includes the text only; excludes the adjacent arrow and deque cells.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":5.5,"reference_s":0.25,"evidence":"目标为五个 deque 单元格右侧的粉色“BACK”文字，不含左侧箭头。首个合格帧为 0.00 秒，文字已完整显示；末个合格帧为 5.25 秒，文字仍完整可见，5.50 秒画面已切为空黑背景，目标消失。区间到达视频起点，没有更早的采样帧。选择 0.25 秒作为关键帧，因为文字清晰且无其他文字重叠，便于单独标注。","start_frame":0,"end_frame":132,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[757.8,531.2,842.3,568.1],"positive_points":[[760.8,550.3],[770.0,541.7],[785.2,541.7],[785.6,555.6],[803.2,549.5],[826.1,549.5]],"negative_points":[[739.3,550.3],[677.7,548.6],[801.8,504.3],[855.5,553.0]],"evidence":"目标是五个双端队列单元右侧的粉色“BACK”。边界框仅覆盖四个字母，不含左侧箭头或队列单元。六个正点分布在字母笔画上；负点位于相邻箭头、队列单元及文字外部黑色背景。"}},{"name":"Queue behavior explanation","description":"Lower text reading “Add to BACK, remove from FRONT → behaves like a Queue”.","membership":"Includes the full explanatory line and its inline arrow; excludes the deque diagram above.","id":"obj_006","temporal":{"status":"found","start_s":0.25,"end_s":3.25,"reference_s":0.25,"evidence":"目标是双端队列图下方的完整说明行“Add to BACK, remove from FRONT → behaves like a Queue”，包含行内箭头。首个合格帧为0.25秒；0秒帧末尾的“Queue”仍处于描边显现阶段。最后合格帧为3.00秒，3.25秒该行已开始淡出。选择0.25秒作为关键帧，因为整行清晰、完整且无遮挡。","start_frame":6,"end_frame":78,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[128,693.6,872,739.6],"positive_points":[[135.7,718.8],[313.5,718.8],[472.3,713.5],[594.2,711],[626.5,714.4],[866,717]],"negative_points":[[324,551],[675,550],[400,665],[650,775]],"evidence":"目标是图像下方的“Add to BACK, remove from FRONT → behaves like a Queue”整行说明。边界框紧贴整行文字及内嵌箭头；六个正点分布在不同词语的笔画和箭头上，负点位于上方双端队列图及文字行外的黑色背景中。"}},{"name":"Deque shape-shifting statement","description":"Yellow lower statement reading “The shape-shifting version of both.”, revealed after the queue-behavior explanation disappears.","membership":"Includes the complete text block through its reveal; excludes the diagram and temporary yellow emphasis mark above it.","id":"obj_007","temporal":{"status":"found","start_s":4.5,"end_s":5.5,"reference_s":4.5,"evidence":"目标是双端队列图下方的黄色完整句子“The shape-shifting version of both.”。首个合格帧为4.50秒，4.25秒仍在逐字显现；最后合格帧为5.25秒，5.50秒文字及原场景已消失。选择4.50秒作为关键帧，文字完整清晰，且尚无图上方的黄色临时强调线干扰。","start_frame":108,"end_frame":132,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[208.9,693.6,792.0,761.3],"positive_points":[[221,698],[303,715],[449,712],[532,712],[689,713],[713,716]],"negative_points":[[500,660],[500,803],[402,549],[799,551]],"evidence":"目标是图下方黄色完整句子“The shape-shifting version of both.”。边界框紧贴整句及末尾句号；六个正点分布于句子各部分的字形笔画上，负点位于文字上下的外部黑色背景以及上方队列图和BACK标签处，排除图示与其他内容。"}},{"name":"Nine-value data stream","description":"A horizontal sequence of outlined rectangular cells that develops into the values 3, 7, 1, 8, 4, 9, 2, 6, and 5. Cells inside the moving window become blue, and the sequence later enlarges.","membership":"Includes all nine cell surfaces, outlines, and numbers throughout their appearance and resizing. Excludes the external sliding-window outline, headings, annotations, and explanatory text.","id":"obj_008","temporal":{"status":"found","start_s":6.25,"end_s":18.5,"reference_s":9.0,"evidence":"目标为九个横向排列的矩形单元格，随后显示3、7、1、8、4、9、2、6、5，并随窗口改变填色、整体放大。6.25秒九个单元格均已有完整边界，虽仍在缩放；前一帧6.0秒右侧单元格尚呈点状，结构未完全显现。最后合格帧为18.25秒，九格放大后仍完整可见；18.5秒已切换场景，序列消失。选择9.0秒作为关键帧，此时九格及数字清晰，且没有进出箭头文字遮挡。","start_frame":150,"end_frame":444,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[167.5,276.9,837.4,386.3],"positive_points":[[190,320],[268,350],[369,320],[505,339],[652,346],[801,330]],"negative_points":[[480,212],[242,452],[120,330],[690,470]],"evidence":"目标是横向排列、依次标有3、7、1、8、4、9、2、6、5的九个矩形单元格。框覆盖全部单元格的表面、边框和数字，不含外侧浅蓝色滑动窗口轮廓。正点分布于蓝色单元格内部及后续数字笔画；负点位于上方标题、下方窗口注释和外部黑色背景。"}},{"name":"Data Stream heading","description":"“Data Stream” text centered above the nine-value sequence.","membership":"Includes the heading text only; excludes the right-pointing arrow and cells below.","id":"obj_009","temporal":{"status":"found","start_s":7.25,"end_s":18.5,"reference_s":18.25,"evidence":"目标是九个数值单元格上方居中的“Data Stream”文字，不包括右侧箭头。7.25秒首次完整呈现，此前7.00秒仍在淡入；此后持续可见至18.25秒，18.50秒已切换为浏览器历史场景，标题消失。选择18.25秒作为关键帧，因为标题已放大，字形完整清晰且无遮挡。","start_frame":174,"end_frame":444,"reference_frame":438},"grounding":{"status":"found","bbox_xyxy":[383.3,105.9,564.5,155.4],"positive_points":[[389.2,130.2],[429.7,131.1],[446.3,137.2],[469.7,114.6],[486.8,133.7],[550.3,138.0]],"negative_points":[[608.5,128.5],[502.0,86.0],[499.0,189.0],[502.0,297.0]],"evidence":"目标是九个数值单元格上方的“Data Stream”标题。边界框仅覆盖标题文字，不含右侧箭头和下方单元格；六个正点分布在标题的字母笔画上，负点位于右侧箭头、标题上下的外部背景及下方单元格。"}},{"name":"Sliding-window frame","description":"Light-blue rounded rectangular frame enclosing three adjacent data-stream cells. It starts around 3, 7, and 1 and advances until it encloses 8, 4, and 9.","membership":"Includes the rounded frame's outer boundary and entire enclosed region as it moves and enlarges, including the underlying cell content. Excludes the window label below and external annotations.","id":"obj_010","temporal":{"status":"found","start_s":8.25,"end_s":18.5,"reference_s":9.0,"evidence":"目标是包围三个相邻数据单元的浅蓝色圆角框，最初圈住3、7、1，随后滑动至8、4、9并放大。8.00秒右侧边界仍在绘制，8.25秒首次完整呈现；18.25秒为最后完整可见帧，18.50秒已切换为浏览器历史场景。选择9.00秒作为关键帧，��时框线完整、内部三个单元清晰，且没有外部箭头干扰。","start_frame":198,"end_frame":444,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[162.1,266.5,395.5,396.7],"positive_points":[[184,304],[215,363],[264,319],[293,368],[338,304],[375,361]],"negative_points":[[272,453],[428,332],[481,217],[143,330]],"evidence":"目标是包围数字3、7、1三个相邻单元格的浅蓝色圆角窗口框。边界框紧贴外框，包含整个内部区域及单元格内容；六个正点分布在三个单元格内，四个负点分别位于下方窗口标签、右侧数字8、上方数据流文字及左侧外部背景。"}},{"name":"Window size label","description":"Light-blue “Window (size 3)” text beneath the sliding frame, moving with it.","membership":"Includes the label text only; excludes the frame and enclosed cells.","id":"obj_011","temporal":{"status":"found","start_s":8.0,"end_s":18.5,"reference_s":17.0,"evidence":"目标是滑动窗口下方随框移动的浅蓝色“Window (size 3)”文字，仅包含标签。8.00秒文字已完整显现，之前7.75秒仍在淡入；最后合格帧为18.25秒，18.50秒已切换到浏览器历史场景，标签消失。选17.00秒为关键帧，此时文字清晰、无遮挡，便于单独标注。","start_frame":192,"end_frame":444,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[418.5,434.9,587.4,474.8],"positive_points":[[425.3,451.4],[467.8,442.7],[491.2,463.5],[516.8,453.1],[526.4,449.7],[575.2,437.5]],"negative_points":[[502,414],[500,498],[503,329],[641,452]],"evidence":"目标是滑动框下方的浅蓝色“Window (size 3)”标签。边界框仅覆盖整段文字；六个正点分布在字母、括号和数字笔画上，负点位于文字外的黑色背景及上方单元格内，排除滑动框和单元格。"}},{"name":"Old-value exit annotation","description":"Light-green “old out” annotation to the left of the data stream during the sliding-window demonstration.","membership":"Includes the words only; excludes the flanking left-pointing arrows and data-stream cells.","id":"obj_012","temporal":{"status":"found","start_s":9.75,"end_s":15.75,"reference_s":10.25,"evidence":"目标是数据流左侧浅绿色的“old out”文字，不包括两侧箭头。9.75秒文字已完整显现，15.50秒仍完整可见；此前9.50秒处于淡入阶段，此后15.75秒已开始淡出。选择10.25秒作为关键帧，文字清晰且无遮挡，便于与箭头及数据单元区分。","start_frame":234,"end_frame":378,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[53.2,316.8,118.7,347.2],"positive_points":[[55.7,335.9],[67.0,330.7],[78.1,324.7],[88.5,335.9],[99.6,339.4],[113.3,332.5]],"negative_points":[[34.2,330.7],[139.2,330.7],[204.1,331.6],[87.9,381.9]],"evidence":"目标是数据流左侧浅绿色的“old out”文字。边界框仅覆盖这两个词，不含两侧左箭头和数据单元格；六个正点分布在字母笔画上，负点位于两侧箭头、右侧数据单元格及文字下方外部背景。"}},{"name":"New-value entry annotation","description":"Pink “new in” annotation presented over the middle-right portion of the data stream during window movement.","membership":"Includes the annotation text only; excludes arrows and underlying cells or numbers.","id":"obj_013","temporal":{"status":"found","start_s":9.75,"end_s":15.75,"reference_s":10.0,"evidence":"目标是数据流中右部的粉色“new in”文字，不包含两侧箭头及底层数字。首个合格帧为9.75秒，文字已完整显现；前一帧9.5秒仍在淡入。最后合格帧为15.5秒，下一帧15.75秒文字已明显淡出。选择10.0秒作为关键帧，此时文字清晰、位置稳定，易与箭头和底层单元格区分。","start_frame":234,"end_frame":378,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[513.7,317.7,579.6,346.5],"positive_points":[[516.6,338.5],[529.0,334.2],[539.1,337.7],[546.9,335.9],[564.0,338.5],[577.1,341.1]],"negative_points":[[477.5,331.6],[601.1,330.0],[502.4,322.0],[527.3,374.1]],"evidence":"目标是数据流中部偏右的粉色“new in”文字。框仅覆盖文字及字符间距，不含两侧箭头、底层数字或单元格。正点分布在各字母笔画上；负点位于两侧箭头、底层数字4和下方单元格区域。"}},{"name":"Sliding-window explanation","description":"White sentence below the stream reading “New values enter at the back. Old values exit at the front.”, progressively revealed and later enlarged.","membership":"Includes the entire explanatory text block; excludes the stream, window frame, and size label.","id":"obj_014","temporal":{"status":"found","start_s":17.0,"end_s":18.5,"reference_s":17.0,"evidence":"目标是数据流下方的白色整句“New values enter at the back. Old values exit at the front.”。16.75秒末尾仍在逐字揭示，17.0秒首次完整呈现；随后放大，至18.25秒仍完整可见，18.5秒已切换为“Browser history.”场景。选择17.0秒作为关键帧，整句清晰且四周留白充���。","start_frame":408,"end_frame":444,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[153.3,532.9,852,574.7],"positive_points":[[159.2,555.6],[252,551.2],[448.2,554],[529.8,554],[692.4,561.6],[793,554]],"negative_points":[[500,453],[500,330],[500,640],[115,550]],"evidence":"目标是数据流下方的白色完整说明句“New values enter at the back. Old values exit at the front.”。边界框紧贴整行文字，正点分布在句子各部分的字形笔画上；负点位于上方窗口及尺寸标签，以及文字左侧和下方的外部背景。"}},{"name":"Browser history heading","description":"Large white “Browser history.” title above the browser-page sequence.","membership":"Includes the title text only.","id":"obj_015","temporal":{"status":"found","start_s":18.75,"end_s":24.0,"reference_s":19.75,"evidence":"目标是浏览器页面序列上方的大号白色“Browser history.”标题，仅包含标题文字。18.75秒首次完整显示，23.75秒为最后一个符合条件的帧；此前18.50秒文字仍在逐步绘制，之后24.00秒标题已开始淡出。选择19.75秒作为关键帧，标题完整清晰、无遮挡，且与下方页面序列易于区分。","start_frame":450,"end_frame":576,"reference_frame":474},"grounding":{"status":"found","bbox_xyxy":[360.4,87.7,640.1,156.3],"positive_points":[[366.7,114.6],[412.1,106.8],[463.9,121.5],[521,117.2],[571.3,121.5],[637.2,136.3]],"negative_points":[[341.8,112.8],[659.2,117.2],[502.9,56.4],[502.9,186.6]],"evidence":"目标是页面序列上方的白色标题“Browser history.”。边界框紧贴整段文字，包含末尾句点及字母下伸部分；六个正点分布在标题不同字符的笔画上，四个负点位于标题左、右、上、下方的外部黑色背景。"}},{"name":"Browser history page sequence","description":"Five small browser-style cards arranged left to right and labeled Home, Blog, Post, About, and Profile. A selection highlight moves among Post, Blog, and Home.","membership":"Includes the five card surfaces, cyan boundaries, top strips, and labels. Excludes gaps between cards, the temporary yellow selection outline, external navigation arrows, and surrounding text.","id":"obj_016","temporal":{"status":"found","start_s":19.25,"end_s":24.0,"reference_s":23.5,"evidence":"目标为横向排列、分别标有 Home、Blog、Post、About、Profile 的五张青色浏览器卡片，不包括黄色选择框及外部箭头。19.25 秒五张卡片的边界、顶栏和标签均已完整可见，虽仍在缩放也符合条件；前一帧 19.0 秒右侧卡片尚处于点状、不完整的初始呈现。最后合格帧为 23.75 秒，下一帧 24.0 秒卡片开始整体淡出。选择 23.5 秒作关键帧，五张卡片清晰且无遮挡。","start_frame":462,"end_frame":576,"reference_frame":564},"grounding":{"status":"found","bbox_xyxy":[217.8,430,782.2,570.4],"positive_points":[[243.7,479.2],[288.1,443.6],[367.2,504.3],[512.2,537.3],[611.3,484.4],[737.3,524.3]],"negative_points":[[500,421.9],[326.7,503.5],[151.4,471.4],[616,653]],"evidence":"目标是横向排列、标有 Home、Blog、Post、About、Profile 的五张浏览器卡片。边界框紧贴五张卡片的整体外缘；正点分布在各卡片表面及顶部色条，负点位于黄色选择框、卡片间隙、左侧导航箭头和下方外部背景，均不属于目标。"}},{"name":"Browser back label","description":"Lowercase “back” beneath the left-pointing navigation arrow at the left of the browser cards; its color changes during navigation.","membership":"Includes the text only; excludes the arrow and cards.","id":"obj_017","temporal":{"status":"found","start_s":19.75,"end_s":24.0,"reference_s":20.0,"evidence":"目标是浏览器卡片左侧、左箭头下方的小写“back”文字，不包括箭头。19.75秒首次完整显现，23.75秒为最后合格帧；此前19.50秒文字仍在淡入，随后24.00秒已随场景开始淡出。选择20.00秒作为关键帧，此时文字呈黄色，清晰且无遮挡，易与箭头及卡片区分。","start_frame":474,"end_frame":576,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[128.4,510.4,182.2,546.1],"positive_points":[[131.8,521.7],[138.7,535.6],[152.3,538.2],[159.2,533.9],[171.4,521.7],[177.2,539.1]],"negative_points":[[156.3,468.8],[266.6,513.0],[112.8,533.0],[156.7,582.5]],"evidence":"目标是浏览器卡片左侧、左向箭头下方的浅黄色小写“back”。边界框仅覆盖完整文字，不含箭头和卡片；六个正点分布在各字母笔画上，负点位于上方箭头、Home卡片及文字外围黑色背景。"}},{"name":"Browser forward label","description":"Lowercase “forward” beneath the right-pointing navigation arrow at the right of the browser cards.","membership":"Includes the text only; excludes the arrow and cards.","id":"obj_018","temporal":{"status":"found","start_s":19.75,"end_s":24.0,"reference_s":21.5,"evidence":"目标是浏览器卡片右侧、向右箭头下方的小写“forward”，仅包含文字。首个完整呈现帧为19.75秒，最后符合条件的帧为23.75秒；19.50秒文字仍在淡入，24.00秒已开始淡出。选择21.50秒作为关键帧，此时文字呈黄色，清晰且无遮挡，易与箭头和卡片区分。","start_frame":474,"end_frame":576,"reference_frame":516},"grounding":{"status":"found","bbox_xyxy":[810.1,510.4,898,547.7],"positive_points":[[814.5,530.4],[823.2,533],[839.4,526],[851.6,539.9],[866.2,542.5],[892.6,528.6]],"negative_points":[[853.5,467.9],[731.4,516.5],[850.6,583.3],[927.7,529.5]],"evidence":"目标是右侧导航箭头下方的浅黄色小写“forward”。边界框仅覆盖完整文字，不含箭头或卡片；六个正点分布在不同字母笔画上，负点位于上方箭头、左侧卡片及文字外部背景。"}},{"name":"Browser back arrow","description":"Left-pointing navigation arrow beside the Home end of the browser history sequence, changing between yellow and cyan.","membership":"Includes the arrow shaft and triangular head only; excludes its text label and neighboring cards.","id":"obj_019","temporal":{"status":"found","start_s":19.75,"end_s":24.0,"reference_s":20.0,"evidence":"目标是浏览器历史卡片序列 Home 左侧的左向箭头，仅含箭杆和三角箭头，不含 back 标签。19.75 秒首次完整显现，随后在青色与黄色之间变化，至 23.75 秒仍完整可见。相邻的 19.50 秒箭头尚在淡入，24.00 秒已开始淡出。选择 20.00 秒作为关键帧，此时箭头呈黄色、轮廓清晰且无遮挡。","start_frame":474,"end_frame":576,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[124.5,454.9,187.1,482.6],"positive_points":[[128,468.8],[135.3,461.8],[136.7,475.7],[148,468.8],[165,468.8],[183,468.8]],"negative_points":[[155,530],[267,502],[157,430],[187,499]],"evidence":"目标是 Home 卡片左侧、back 文字上方的黄色左向箭头。边界框紧贴三角箭头及水平箭杆，不包含文字或卡片。六个正点分布于箭头和箭杆上，四个负点位于 back 标签、Home 卡片及箭头外部背景。"}},{"name":"Browser forward arrow","description":"Cyan right-pointing navigation arrow beside the Profile end of the browser history sequence.","membership":"Includes the arrow shaft and triangular head only; excludes its text label and neighboring cards.","id":"obj_020","temporal":{"status":"found","start_s":19.75,"end_s":24.0,"reference_s":19.75,"evidence":"目标是浏览器历史序列中 Profile 卡片右侧的右指箭头，仅含箭杆和三角箭头，不含 forward 文字。19.75 秒首次完整、清晰呈现，23.75 秒为最后合格帧；19.50 秒仍在淡入，24.00 秒已开始淡出。期间变黄高亮不改变其身份。选择19.75秒作关键帧，箭头为青色且无遮挡，与文字和卡片分离清楚。","start_frame":474,"end_frame":576,"reference_frame":474},"grounding":{"status":"found","bbox_xyxy":[825.7,459.2,882,484.4],"positive_points":[[830.1,471.4],[842.3,471.4],[854.5,471.4],[870.6,466.1],[877,471.4],[870.6,477.4]],"negative_points":[[852,526],[733,505],[849,430],[902,472]],"evidence":"目标是 Profile 卡片右侧的青色向右导航箭头。边界框紧贴箭杆和三角箭头，不含下方 forward 文字或卡片。六个正点分布于箭杆和箭头，四个负点位于文字、Profile 卡片及箭头外部背景。"}},{"name":"Bidirectional navigation caption","description":"Cyan text reading “navigate both directions.” below the browser history demonstration.","membership":"Includes the full caption text only; excludes the cards and navigation controls.","id":"obj_021","temporal":{"status":"found","start_s":23.25,"end_s":24.0,"reference_s":23.5,"evidence":"目标是浏览器历史演示下方的青色完整文字“navigate both directions.”。首个符合条件的采样帧为23.25秒，最后一个为23.75秒；此前23.00秒文字仍在淡入，此后24.00秒已开始淡出。选择23.50秒作为关键帧，文字完整清晰，与卡片及导航控件分离且无遮挡。","start_frame":558,"end_frame":576,"reference_frame":564},"grounding":{"status":"found","bbox_xyxy":[359.4,880.2,641.1,931.4],"positive_points":[[363.3,906.3],[415.5,926.2],[468.8,901.0],[504.9,906.3],[526.9,905.4],[639.4,916.7]],"negative_points":[[343.0,905.0],[660.0,906.0],[499.0,852.0],[501.0,957.0]],"evidence":"目标是浏览历史示意图下方的青色文字“navigate both directions.”。边界框紧贴整段文字，包含末尾句点；六个正点分布在文字笔画及句点上，四个负点位于文字左右、上方和下方的外部黑色背景，不包含卡片或导航控件。"}},{"name":"Undo and redo heading","description":"Large white “Undo and redo.” title above a sequence of numbered green circles.","membership":"Includes the title text only.","id":"obj_022","temporal":{"status":"found","start_s":24.5,"end_s":26.75,"reference_s":25.25,"evidence":"目标是编号绿色圆圈上方的白色标题“Undo and redo.”，仅包含标题文字。24.50秒文字已完整呈现，26.50秒仍完整可见；前一帧24.25秒标题尚在逐字揭示，后一帧26.75秒标题已消失。选择25.25秒作为关键帧，标题清晰完整、无遮挡，且下方编号圆圈便于确认场景。","start_frame":588,"end_frame":642,"reference_frame":606},"grounding":{"status":"found","bbox_xyxy":[370.1,86.8,629.9,141.5],"positive_points":[[376.5,106.8],[405.8,125.0],[441.4,96.4],[479.5,127.6],[615.7,121.5],[626.5,136.3]],"negative_points":[[500,65],[500,180],[330,116],[675,120]],"evidence":"目标是编号绿色圆圈上方的白色标题“Undo and redo.”。边界框仅覆盖完整标题及末尾句点；六个正点分布在不同字母笔画和句点上，四个负点位于标题外围的黑色背景。"}},{"name":"Undo-redo state sequence","description":"Five dark-green circular states numbered 1 through 5, arranged horizontally and subsequently joined by green lines. Yellow emphasis moves from state 4 to state 2.","membership":"Includes each circle's boundary, enclosed surface and number, plus the connecting line segments when present. Excludes the temporary yellow selection rings, external arrows, and labels.","id":"obj_023","temporal":{"status":"found","start_s":24.75,"end_s":26.75,"reference_s":25.5,"evidence":"目标为横向排列、编号1至5的五个深绿色圆形状态及随后出现的绿色连接线，不含黄色选中环和外部箭头、标签。24.75秒五个圆形及数字首次完整可见；前一帧24.50秒仅有少数微小点状结构，尚未完整呈现。最后合格帧为26.50秒，26.75秒目标已淡出至近乎不可见。选择25.50秒作为关键帧，此时五个状态及连接线清晰完整，便于区分目标与黄色强调环。","start_frame":594,"end_frame":642,"reference_frame":612},"grounding":{"status":"found","bbox_xyxy":[259.8,447.9,740.3,552.1],"positive_points":[[283,491],[397,510],[503,493],[605,500],[711,505],[447,500]],"negative_points":[[605.5,435],[176,471],[824,472],[500,350]],"evidence":"目标是横向排列、以绿色线段连接的编号1至5的五个深绿色圆形状态。边界框紧贴五个圆及连接线的整体范围；正点覆盖每个圆的内部和一处连接线，负点位于黄色强调环、左右外部箭头及上方背景，排除这些非目标内容。"}},{"name":"Undo arrow","description":"Green left-pointing arrow to the left of the numbered state sequence.","membership":"Includes the arrow shaft and head only; excludes the Undo label and state circles.","id":"obj_024","temporal":{"status":"found","start_s":25.25,"end_s":26.75,"reference_s":25.5,"evidence":"目标是编号状态序列左侧的绿色左向箭头，仅含箭身和箭头，不含“Undo”文字。首个完整清晰帧为25.25秒，最后合格帧为26.50秒；之前25.00秒箭头尚处于淡入阶段，之后26.75秒已随场景消失。选择25.50秒作为关键帧，箭头结构清晰、无遮挡，且与文字和状态圆圈分离。","start_frame":606,"end_frame":642,"reference_frame":612},"grounding":{"status":"found","bbox_xyxy":[147.5,458.3,205.1,483.5],"positive_points":[[151.9,471.4],[157.2,466.1],[158.2,476.6],[168.5,471.4],[184.6,471.4],[201.7,471.4]],"negative_points":[[174.3,524.3],[288.1,500.0],[175.3,438.4],[135.7,471.4]],"evidence":"目标是编号状态序列左侧、Undo文字上方的绿色左箭头。边界框仅覆盖箭头头部和水平箭杆；六个正点分布在这两部分，负点位于下方文字、右侧状态圆及箭头外部背景，排除非目标内容。"}},{"name":"Undo label","description":"White “Undo” text beneath the left arrow in the state-history demonstration.","membership":"Includes the text only; excludes the arrow.","id":"obj_025","temporal":{"status":"found","start_s":25.25,"end_s":26.75,"reference_s":25.5,"evidence":"目标为状态历史演示中左侧箭头下方的“Undo”文字，不包含箭头。首个合格帧为25.25秒，最后合格帧为26.50秒；此前25.00秒文字尚在淡入，之后26.75秒画面及文字已淡出。选择25.50秒作为关键帧，文字清晰完整、无遮挡，且容易与右侧“Redo”区分。","start_frame":606,"end_frame":642,"reference_frame":612},"grounding":{"status":"found","bbox_xyxy":[146.5,509.5,206.1,541.7],"positive_points":[[149.9,516.5],[153.3,537.3],[166.0,531.3],[173.3,524.3],[189.0,516.5],[203.6,529.5]],"negative_points":[[175.8,471.4],[175.8,569.4],[289.1,500.0],[131.8,529.5]],"evidence":"目标是左侧箭头下方的白色“Undo”文字，边界框紧贴整个单词，不包含箭头。六个正点分布在各字母笔画上；负点位于上方箭头、下方及左侧背景和右侧状态圆上。"}},{"name":"Redo arrow","description":"Right-pointing arrow to the right of the numbered states, changing from green to yellow.","membership":"Includes the arrow shaft and head only; excludes the Redo label and state circles.","id":"obj_026","temporal":{"status":"found","start_s":25.25,"end_s":26.75,"reference_s":26.25,"evidence":"目标是编号状态圆右侧、Redo 标签上方的右指箭头，仅包含箭杆和箭头头部。25.25 秒首次完整清晰呈现，持续至 26.50 秒；此前 25.00 秒尚处于淡入阶段，之后 26.75 ���已淡出、几乎不可见。选择 26.25 秒作为关键帧，此时箭头变为黄色，结构完整且与绿色状态圆易于区分。","start_frame":606,"end_frame":642,"reference_frame":630},"grounding":{"status":"found","bbox_xyxy":[792,455,854.5,482.6],"positive_points":[[796,468.8],[809.6,468.8],[825.2,468.8],[835.4,468.8],[841.8,463.5],[842.8,474]],"negative_points":[[820,527],[711,499],[820,433],[871,469]],"evidence":"目标是编号状态右侧、Redo文字上方的向右箭头。边界框紧贴箭杆和箭头尖部，不含文字或状态圆。六个正点分布在箭杆及箭头实心部分，负点位于Redo标签、状态圆及箭头外部背景。"}},{"name":"Redo label","description":"“Redo” text beneath the right arrow in the state-history demonstration, changing from white to yellow.","membership":"Includes the text only; excludes the arrow.","id":"obj_027","temporal":{"status":"found","start_s":25.25,"end_s":26.75,"reference_s":26.25,"evidence":"目标为“Undo and redo.”状态历史演示中右侧箭头下方的“Redo”文字，不含箭头。首个完整呈现帧为25.25秒，最后合格帧为26.50秒；25.00秒文字仍在淡入，26.75秒该场景已消失。选择26.25秒作为关键帧，此时“Redo”变为黄色，字形清晰且无遮挡。","start_frame":606,"end_frame":642,"reference_frame":630},"grounding":{"status":"found","bbox_xyxy":[793.5,509.5,853.5,545.1],"positive_points":[[797.4,521.7],[803.7,538.2],[814.5,528.6],[833.5,513.9],[826.2,535.6],[850.6,533.9]],"negative_points":[[822,469],[711,500],[777,525],[839,566]],"evidence":"目标是右侧箭头下方的淡黄色“Redo”文字。边界框紧贴完整文字，不包含上方箭头；六个正点分布在各字母笔画上，负点位于箭头、数字5节点及文字外侧背景。"}},{"name":"Scheduling heading","description":"Large white “Scheduling.” title above the task-card demonstration.","membership":"Includes the title text only.","id":"obj_028","temporal":{"status":"found","start_s":27.75,"end_s":33.5,"reference_s":31.0,"evidence":"目标是任务卡片演示上方的白色大标题“Scheduling.”，仅包含标题文字。27.75秒首次完整显示，27.50秒仍在逐字描绘；33.25秒是最后完整可见帧，33.50秒标题已消失。选择31.00秒作为关键帧，标题清晰完整且无遮挡。","start_frame":666,"end_frame":804,"reference_frame":744},"grounding":{"status":"found","bbox_xyxy":[402.3,87.7,597.2,156.3],"positive_points":[[407.7,102.4],[450.2,115.5],[498.5,125.0],[532.7,114.6],[564.0,126.7],[576.2,152.8]],"negative_points":[[380.9,114.6],[612.8,118.9],[500.0,56.4],[500.0,186.6]],"evidence":"目标是任务卡片上方的大号白色“Scheduling.”标题。边界框紧贴整段文字并包含末尾句点；六个正点分布在不同字母的可见笔画上，四个负点位于标题四周、远离文字的黑色背景。"}},{"name":"Initial scheduled tasks","description":"Three orange-outlined, dark-brown rounded cards labeled T1, T2, and T3. They appear in order, settle into a row, and shift right to accommodate a priority task.","membership":"Includes the three cards' surfaces, boundaries, and labels throughout their scaling and movement. Excludes spaces between cards, the separate priority card, and the later T4 card.","id":"obj_029","temporal":{"status":"found","start_s":28.25,"end_s":33.5,"reference_s":29.0,"evidence":"目标为依次标注 T1、T2、T3 的三张橙色边框、深棕色圆角卡片，不含优先任务和 T4。28.25 秒三张卡片的边界、表面及标签均已完整呈现，虽仍在缩放也予以保留；此前 28.0 秒后两张仍仅见微小点状、未完整显露。最后合格帧为 33.25 秒，33.5 秒三张卡片已消失。选择 29.0 秒作为关键帧，此时三张卡片清晰并排且无遮挡。","start_frame":678,"end_frame":804,"reference_frame":696},"grounding":{"status":"found","bbox_xyxy":[302.2,448.8,536.1,551.7],"positive_points":[[315.4,472.2],[356.4,527.8],[396,472.2],[439.9,527.8],[476.6,472.2],[522.5,527.8]],"negative_points":[[280,500],[560,500],[418,405],[419,596]],"evidence":"目标是画面中部横向排列、标有T1、T2、T3的三个橙色描边深棕色圆角卡片。边界框紧贴三张卡片的整体外缘；每张卡片表面各放置两个正点，四个负点位于卡片组左、右、上、下方的外部黑色背景。"}},{"name":"Priority task card","description":"Yellow-outlined rounded card with an olive surface and a white star. It appears separately on the left and moves to the front of the scheduled tasks.","membership":"Includes the card's outer boundary, enclosed surface, and star. Excludes the external “priority” label and neighboring task cards.","id":"obj_030","temporal":{"status":"found","start_s":29.5,"end_s":33.5,"reference_s":29.75,"evidence":"目标是黄色圆角边框、橄榄色表面及白色五角星组成的优先任务卡，随后移动到T1前方。首个完整呈现帧为29.50秒；此前29.25秒仍在淡入。最后符合条件的帧为33.25秒，33.50秒场景清空、卡片消���。选择29.75秒作为关键帧，此时卡片独立位于左侧，结构清晰且无遮挡，不包含外部priority标签。","start_frame":708,"end_frame":804,"reference_frame":714},"grounding":{"status":"found","bbox_xyxy":[98.1,448.0,170.5,552.1],"positive_points":[[108,466],[154,477],[119,533],[159,539],[134,501],[99.5,510]],"negative_points":[[132,607],[338,501],[78,500],[135,416]],"evidence":"目标是左侧独立的黄色圆角卡片，具有橄榄色表面和白色星形。边界框紧贴卡片外缘，涵盖边框、内部表面及星形，不包含下方“priority”文字。正点分布于表面、星形和边框；负点位于外部文字、右侧任务卡及周围黑色背景。"}},{"name":"Priority task label","description":"Yellow “priority” text below the initially separate star-marked task.","membership":"Includes the label text only; excludes the star card.","id":"obj_031","temporal":{"status":"found","start_s":29.5,"end_s":30.5,"reference_s":29.75,"evidence":"目标是独立星标任务卡下方的黄色“priority”文字，不包括卡片。29.5秒首次完整清晰显示，30.25秒为最后合格帧；此前29.25秒文字仍在淡入，此后30.5秒已明显淡出。选择29.75秒作为关键帧，文字清晰、无遮挡，且与上方星标卡易于区分。","start_frame":708,"end_frame":732,"reference_frame":714},"grounding":{"status":"found","bbox_xyxy":[96.2,587.0,172.4,628.5],"positive_points":[[99.6,618.1],[111.3,608.5],[121.6,602.4],[128.0,610.2],[156.7,606.8],[165.0,622.4]],"negative_points":[[134.0,499.0],[133.0,651.0],[84.0,607.0],[189.0,605.0]],"evidence":"目标是左侧星形任务卡下方的黄色“priority”文字。边界框紧贴完整单词，正点分布在不同字母笔画上；负点位于明确排除的星形卡片及文字外围黑色背景。"}},{"name":"Regular task T4","description":"Orange-outlined, dark-brown rounded card labeled T4. It appears separately on the far right and moves to the back of the task sequence.","membership":"Includes the card's boundary, surface, and T4 label throughout its movement. Excludes the external “regular” label and neighboring cards.","id":"obj_032","temporal":{"status":"found","start_s":31.75,"end_s":33.5,"reference_s":32.0,"evidence":"目标是橙色边框、深棕色底面且标有“T4”的圆角卡片，起初独立位于最右侧，随后移至任务队列末尾；不包括外部“regular”文字。首个合格帧为31.75秒，31.50秒仍处于淡入阶段；最后合格帧为33.25秒，33.50秒已消失。选择32.00秒作为关键帧，此时卡片完整清晰，与其他任务卡片分离，便于标注。","start_frame":762,"end_frame":804,"reference_frame":768},"grounding":{"status":"found","bbox_xyxy":[829.6,448.8,901.4,551.2],"positive_points":[[840,465],[890,466],[841,533],[889,534],[858,498],[873,501]],"negative_points":[[866,606],[581,500],[808,490],[925,520]],"evidence":"目标是画面最右侧独立的橙色描边深棕色“T4”圆角卡片。边界框紧贴卡片外缘，覆盖边框、内部表面及T4文字。六个正点分布于卡片表面和文字上；负点位于下方外部“regular”标签、左侧T3卡片以及卡片两侧的黑色背景，均不包含在目标内。"}},{"name":"Regular task label","description":"Orange “regular” text below the initially separate T4 card.","membership":"Includes the label text only; excludes the T4 card.","id":"obj_033","temporal":{"status":"found","start_s":31.75,"end_s":32.5,"reference_s":32.0,"evidence":"目标是右侧最初独立的 T4 卡片下方橙色“regular”文字，不包括卡片。31.75 秒首次完整显现，32.25 秒为最后合格帧；此前 31.50 秒文字仍在淡入，之后 32.50 秒已开始淡出。选择 32.00 秒作为关键帧，文字清晰、完整且无遮挡。","start_frame":762,"end_frame":780,"reference_frame":768},"grounding":{"status":"found","bbox_xyxy":[829.6,587.7,901.9,628.5],"positive_points":[[832.5,605.9],[842.3,611.1],[854.5,625],[864.3,610.2],[875.5,594.6],[895,607.6]],"negative_points":[[866,501],[814,606],[919,609],[860,654]],"evidence":"目标是右侧独立 T4 卡片下方的橙色“regular”文字。边界框紧贴完整单词，包含 g 的下伸部分，不包含卡片。六个正点分布在不同字母的笔画上；负点位于上方 T4 卡片及文字左、右、下方的外部背景。"}}]}
+{"video_id":220,"video_type":"data and scientific visualization","targets":[{"name":"Blue stick-figure presenter","description":"Smiling blue line-drawn person on the left, with one hand on the hip and the other extended toward the Kubernetes questions; later presents the microservices diagram.","membership":"Include the complete drawn figure, including facial features, hair, torso, arms, hands, legs, and feet. Exclude nearby text, client symbols, and diagrams; unbounded white space between limbs is not part of the figure.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":10.75,"reference_s":0,"evidence":"目标是左侧微笑的蓝色线描人物，一手叉腰、另一手伸出；4.50秒起同一人物放大并转为介绍微服务图。首个合格帧为0.00秒，末个为10.50秒，人物始终完整可见。视频起点之前没有采样帧；紧邻的10.75秒已替换为戴眼镜、系领带并持教鞭的另一人物。选择0.00秒作为关键帧，原目标轮廓完整清晰，与文字和图标分离，便于标注。","start_frame":0,"end_frame":258,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[15.1,309.9,177.8,896.0],"positive_points":[[50.3,381.9],[65.4,538.2],[165.0,523.4],[38.1,626.7],[45.9,816.8],[85.9,891.5]],"negative_points":[[10.0,217.0],[195.0,620.0],[241.0,506.0],[845.0,502.0]],"evidence":"目标是左侧微笑的蓝色线描人物，一手叉腰、一手向右伸出。边框覆盖头发、面部、躯干、双臂和手、双腿及脚。正点分布在面部与身体各部位的蓝色笔画上；负点位于人物外部白色背景、问题文字及右侧 Kubernetes 图标上。"}},{"name":"Peak-hours scaling question","description":"Upper text block reading “Need more instances of your application during peak hours?”","membership":"Include both lines of text as one block. Exclude the adjacent curved arrow and all other graphics.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":4.5,"reference_s":0,"evidence":"目标为上方两行文字“Need more instances of your application during peak hours?”，不含右侧弯箭头。首个合格帧为0.00秒，文字已完整显示；最后合格帧为4.25秒。4.50秒切换为微服务架构图，目标消失。区间始于视频开头，无更早采样帧。选择0.00秒作为关键帧，文字清晰完整且无遮挡。","start_frame":0,"end_frame":108,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[209.5,249.1,559.6,354.2],"positive_points":[[217.3,269.1],[356.9,270.8],[549.3,263.9],[229.0,336.8],[344.2,328.1],[487.3,324.7]],"negative_points":[[381.0,210.0],[642.0,317.0],[299.0,510.0],[430.0,403.0]],"evidence":"目标是画面上方关于高峰时段增加应用实例的两行英文问句。边界框紧贴完整两行文字，不含右侧弯箭头。六个正点分布在两行的字母笔画上；负点位于外部空白、右侧箭头及下方其他文字处。"}},{"name":"Scaling arrow","description":"Upper black curved arrow pointing down and right from the peak-hours question toward the large Kubernetes presentation.","membership":"Include the curved shaft and arrowhead only, not the open white area beneath the curve or the neighboring text and logo.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":4.5,"reference_s":0,"evidence":"目标是峰值时段问题右侧、向右下方指向大型 Kubernetes 标志的最上方黑色弯箭头，仅含弯曲箭身和箭头尖。首个合格帧为 0.00 秒，箭头已完整呈现；末个合格帧为 4.25 秒。区间始于视频开头，无更早帧；紧邻的 4.50 秒帧已切换为服务架构图，目标消失。选择 0.00 秒作为关键帧，因为箭头轮廓清晰、无遮挡，容易与下方箭头区分。","start_frame":0,"end_frame":108,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[570.8,285.6,697.3,409.0],"positive_points":[[589.8,289.9],[618.7,296.0],[644.5,312.5],[669.9,349.0],[690.4,375.0],[680.7,401.9]],"negative_points":[[605.5,243.1],[727.5,347.2],[610.4,488.7],[498.0,328.1]],"evidence":"目标是高峰时段问题右侧、指向大型 Kubernetes 展示的上方黑色弯箭头。边界框紧贴弯曲箭杆和箭头尖端；六个正点分布在箭杆及箭头的黑色笔画上，负点位于外部白色背景、下方另一支箭头和邻近文字处。"}},{"name":"Server-crash question","description":"Middle text block reading “Server crashes?”","membership":"Include the complete text and question mark. Exclude the presenter and adjacent arrow.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":4.5,"reference_s":0,"evidence":"目标为画面中部完整的“Server crashes?”文字及问号，不含左侧人物和右侧箭头。首个合格帧为0.00秒，末个合格帧为4.25秒，期间文字持续完整可见；4.50秒已切换为服务架构图，目标消失。区间始于视频开头，无更早采样帧。选择0.00秒作为关键帧，文字清晰、无遮挡且易于区分。","start_frame":0,"end_frame":108,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[232.4,481.8,489.7,529.5],"positive_points":[[241.7,523.4],[264.6,510.4],[330.1,500.0],[355.5,514.8],[423.3,498.3],[482.4,489.6]],"negative_points":[[608.0,483.0],[63.0,502.0],[451.0,332.0],[382.0,566.0]],"evidence":"目标是画面中部的“Server crashes?”文字。边界框紧贴整段文字及问号；六个正点分布在不同字母和问号的笔画上，负点位于旁边箭头、左侧人物、上方另一段文字及下方外部空白处。"}},{"name":"Server-crash arrow","description":"Middle black curved arrow pointing down and right from the server-crash question toward Kubernetes.","membership":"Include only the arrow's shaft and head. Exclude surrounding white space and neighboring subjects.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":4.5,"reference_s":0,"evidence":"目标是“Server crashes?”右侧、朝右下方 Kubernetes 指向的中间黑色弯箭头，仅包含箭身和箭头头部。首个合格帧为0.00秒，箭头已完整显示；最后合格帧为4.25秒。4.50秒切换为服务架构图，该箭头消失。区间起点即视频开头，无更早采样帧。选择0.00秒作为关键帧，箭头轮廓清晰、无遮挡，且易与上方箭头区分。","start_frame":0,"end_frame":108,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[543.9,470.5,670.5,593.8],"positive_points":[[564.5,474],[594.7,481.8],[626.5,512.2],[646.5,549.5],[663.6,563.4],[653.8,586.8]],"negative_points":[[629.9,300.3],[234.4,511.3],[585.9,434],[605.5,642.4]],"evidence":"目标是“Server crashes?”右侧、朝右下方 Kubernetes 指去的中间黑色弯箭头。边界框紧贴箭杆与箭头尖端；六个正点分布在弯曲箭杆和箭头两翼，四个负点位于上方另一支箭头、左侧文字及目标外的白色背景。"}},{"name":"Initial large Kubernetes emblem","description":"Large blue polygon containing a white ship's wheel on the right, above the lowercase Kubernetes wordmark in the question scene.","membership":"Include the polygon's full surface, outer boundary, and enclosed wheel design. Exclude the wordmark beneath it, arrows, and the small corner badge.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":4.5,"reference_s":2.5,"evidence":"目标是提问场景右侧、位于小写 kubernetes 字标上方的大型蓝色多边形白色船舵徽标，不包括字标、箭头或右上角小徽章。首个合格帧为0秒，徽标已完整显示；最后合格帧为4.25秒。区间始于视频开头，无更早帧；紧邻的4.5秒帧已切换为服务架构图，目标消失。选择2.5秒作为关键帧，因为徽标完整清晰、无遮挡，易与角落小徽章区分。","start_frame":0,"end_frame":108,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[798.3,414.1,895.0,580.7],"positive_points":[[846.2,428.0],[808.6,486.1],[881.8,480.9],[835.0,563.4],[846.7,500.0],[869.6,539.9]],"negative_points":[[844.7,643.2],[954.1,81.6],[658.2,556.4],[761.7,467.0]],"evidence":"目标是右侧小写 Kubernetes 字标上方的大型蓝色多边形船舵徽标。边界框紧贴多边形外缘，覆盖完整蓝色表面及白色船舵。六个正点分布在徽标上部、两侧、中央和下部；负点位于下方字标、右上角小徽章、左侧箭头及外部空白处。"}},{"name":"Initial Kubernetes wordmark","description":"Large dark lowercase text “kubernetes” beneath the right-side emblem in the question scene.","membership":"Include only the wordmark lettering. Exclude the blue emblem and surrounding arrows.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":4.5,"reference_s":2.5,"evidence":"目标是提问场景右侧蓝色徽标下方的大号深色小写“kubernetes”字样，仅包含文字。首个合格帧为0.00秒，最后为4.25秒，期间文字完整持续可见。区间起点已是视频开头，无更早采样帧；4.50秒切换为微服务示意图，原字样消失。选择2.50秒作为关键帧，文字清晰完整，且与徽标及箭头容易区分。","start_frame":0,"end_frame":108,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[704.1,595.5,995.6,671.0],"positive_points":[[707.0,645.8],[767.1,612.8],[803.2,647.6],[856.4,651.0],[921.9,625.0],[989.7,658.0]],"negative_points":[[847.0,500.0],[661.0,576.0],[850.0,707.0],[954.5,82.5]],"evidence":"目标是右侧蓝色徽标下方的大号深色小写“kubernetes”。边界框紧贴整段字母的可见范围；六个正点分布在不同字母笔画上，四个负点位于蓝色徽标、左侧箭头、文字下方背景及右上角小徽标，均不包含在目标中。"}},{"name":"Downtime-free update question","description":"Lower two-line text block reading “Want to update your application without downtime?”","membership":"Include the entire question as one text block. Exclude the presenter, arrow, and Kubernetes branding.","id":"obj_008","temporal":{"status":"found","start_s":0.5,"end_s":4.5,"reference_s":1.0,"evidence":"目标是下方两行完整问题“Want to update your application without downtime?”，不含人物、箭头或 Kubernetes 标识。首次完整出现于 0.50 秒，最后符合条件的帧为 4.25 秒；前一帧 0.25 秒尚无该问题，后一帧 4.50 秒已切换为服务架构图，问题消失。选择 1.00 秒作为关键帧，文字清晰完整且无遮挡。","start_frame":12,"end_frame":108,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[132.3,622.4,543.5,747.4],"positive_points":[[194.3,644.1],[353.5,645.8],[423.3,647.6],[137.2,718.8],[295.4,722.2],[491.2,716.1]],"negative_points":[[350,512],[65,700],[845,496],[585,750]],"evidence":"目标是画面下方的两行问题“Want to update your application without downtime?”。边界框覆盖完整两行文字及行间空隙；六个正点分布在两行字形笔画上，四个负点位于上方其他文字、左侧人物、右侧品牌图标及目标右侧背景，均排除在目标之外。"}},{"name":"Application-update arrow","description":"Lower black arrow curving downward and then up to the right, connecting the downtime-free update question with Kubernetes.","membership":"Include the curved shaft and arrowhead only. Exclude the unenclosed white space inside the curve and adjacent subjects.","id":"obj_009","temporal":{"status":"found","start_s":2.25,"end_s":4.5,"reference_s":3.0,"evidence":"目标是位于免停机更新问题右侧、先向下弯再向右上指向 Kubernetes 的下方黑色箭头，包含弯曲箭身和箭头尖端。首次完整出现于 2.25 秒，最后符合条件的帧为 4.25 秒；前一帧 2.00 秒尚无此箭头，后一帧 4.50 秒已切换为微服务示意图，箭头消失。选择 3.00 秒作为关键帧，箭头完整清晰且无遮挡。","start_frame":54,"end_frame":108,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[556.2,718.8,671.0,775.2],"positive_points":[[559.1,727.4],[573.7,750.9],[595.7,766.5],[620.6,768.2],[644.5,756.1],[664.6,740.5]],"negative_points":[[512.7,710.9],[698.2,743.1],[615.2,826.4],[527.3,794.3]],"evidence":"目标是底部从无停机更新问题指向 Kubernetes 的黑色弯箭头，先向下弯再向右上扬。边界框紧包曲线箭杆及箭头；六个正点沿黑色箭杆和箭头分布，四个负点位于左侧问题文字及箭头外部背景，避开曲线内部空白。"}},{"name":"Microservices architecture diagram","description":"Diagram beside the smiling presenter showing “Mobile client” and “Web client,” a blue “API Gateway,” five stacked blue “Service” blocks with colored hexagons and orange database cylinders, and an orange “Messaging Broker.”","membership":"Include the client drawings and labels, API Gateway panel, connecting arrows, and the dashed backend enclosure with its boundary and all enclosed services, databases, broker, and whitespace. Exclude the large presenter, corner badge, lower Kubernetes branding, and the separate application-development illustration that later overlaps the diagram.","id":"obj_010","temporal":{"status":"found","start_s":4.5,"end_s":10.75,"reference_s":5.0,"evidence":"目标由客户端图标及标签、蓝色 API Gateway、连接箭头，以及虚线框内五层 Service、数据库和橙色 Messaging Broker 组成。首个完整呈现帧为4.50秒，最后符合帧为10.50秒；此前4.25秒仍是 Kubernetes 问题说明画面，此后10.75秒已切换为 Automation 讲解画面。9.50秒起独立应用开发插图遮挡部分图表，但图表持续存在。选择5.00秒作为关键帧，因全部指定成员清晰完整且无遮挡。","start_frame":108,"end_frame":258,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[253,112,909,750],"positive_points":[[285,434],[317,478],[465,407],[658,195],[660,665],[827,437]],"negative_points":[[107,303],[954,84],[744,836],[398,226]],"evidence":"根据客户端标签、API Gateway、五层 Service 和 Messaging Broker 确认目标。边界框覆盖客户端绘图与文字、网关、连接箭头及完整虚线后端区域；正点分布于客户端、网关、上下服务块和消息代理，负点位于左侧讲解人物、右上角徽标及图外空白，均不包含在目标内。"}},{"name":"Lower Kubernetes emblem","description":"Blue Kubernetes ship's-wheel emblem appearing below the client portion of the microservices diagram.","membership":"Include the complete blue polygon and its enclosed white wheel. Exclude the lowercase wordmark below and the architecture diagram above.","id":"obj_011","temporal":{"status":"found","start_s":8.0,"end_s":10.75,"reference_s":8.0,"evidence":"目标是微服务架构图客户端下方的蓝色多边形及其内部白色舵轮，不包含下方小写字标。首个合格帧为8.00秒，末个为10.50秒，期间徽标完整可见。紧邻之前的7.75秒尚无此下方徽标；紧邻之后的10.75秒已切换为Jenkins的Automation场景，目标消失。选择8.00秒作为关键帧，因为徽标完整清晰、无遮挡，易与右上角的小徽标区分。","start_frame":192,"end_frame":258,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[307.6,685.0,391.6,830.7],"positive_points":[[349.6,696.2],[321.3,740.5],[377.9,737.8],[348.1,759.5],[333.5,812.5],[369.1,809.9]],"negative_points":[[350.6,884.5],[314.5,499.1],[283.2,759.5],[407.7,755.2]],"evidence":"目标是客户端示意图下方、黑色小写字标上方的蓝色 Kubernetes 徽章。边界框紧贴完整蓝色多边形并包含内部白色船舵；六个正点分布在蓝色区域和白色船舵上，负点位于下方字标、上方客户端图标及徽章两侧的外部背景。"}},{"name":"Lower Kubernetes wordmark","description":"Large lowercase “kubernetes” text beneath the emblem in the microservices scene.","membership":"Include only the text lettering. Exclude the emblem, presenter, and nearby application-development illustration.","id":"obj_012","temporal":{"status":"found","start_s":8.0,"end_s":10.75,"reference_s":8.0,"evidence":"目标是微服务场景下方、蓝色徽标下面的大号小写“kubernetes”文字，仅包括字母。首个合格帧为8.00秒，文字已完整显示；最后合格帧为10.50秒。前一帧7.75秒尚无该文字，后一帧10.75秒已切换到“Automation”教学场景，目标消失。选择8.00秒作为关键帧，文字清晰完整，且尚无邻近的应用开发插图干扰。","start_frame":192,"end_frame":258,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[225.6,843.8,480,909.7],"positive_points":[[229,868.1],[254.9,892.4],[281.7,857.6],[335,880.2],[416,886.3],[467.8,902.8]],"negative_points":[[350.6,762.2],[119.6,770.8],[346.7,946.2],[291,496.5]],"evidence":"目标是画面下方、蓝色徽标下面的大写幅面小写“kubernetes”字样。边界框仅覆盖整行黑色文字，六个正点分布于不同字母的笔画上；负点位于上方徽标、左侧人物、文字下方背景及浏览器插图，均排除在目标之外。"}},{"name":"Application-development illustration","description":"Colorful compact illustration over the lower portion of the microservices scene, combining a mobile interface, gears, image tile, wireframe tile, switches, grid patterns, and yellow code cards.","membership":"Include the complete illustrated assembly and its component surfaces, outlines, and enclosed contents. Follow its irregular outer extent. Exclude the architecture diagram behind it and the separate Kubernetes branding.","id":"obj_013","temporal":{"status":"found","start_s":9.5,"end_s":10.75,"reference_s":10.0,"evidence":"目标是微服务图下方由手机界面、齿轮、图片块、线框块、开关、网格和黄色代码卡组成的彩色插画。9.50秒首次完整出现，至10.50秒仍完整可见；内部图案变化不影响整体连续性。前一帧9.25秒尚无该插画，后一帧10.75秒已切换为“Automation”讲解场景，插画消失。选择10.00秒作为关键帧，组件和不规则外轮廓清晰，便于与背景架构图及独立Kubernetes标志区分。","start_frame":228,"end_frame":258,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[520.5,626.7,697.8,959.2],"positive_points":[[540,650],[664,691],[606,879],[641,802],[552,917],[671,903]],"negative_points":[[714,637],[824,736],[351,760],[498,838]],"evidence":"目标是微服务图下方叠放的彩色应用开发插画。边界框紧贴网格、手机界面、齿轮、图像与线框卡片、开关及黄色代码卡组成的完整外缘。正点分布在这些组件上；负点位于后方服务框、消息代理、独立 Kubernetes 标志和左侧外部空白，排除架构图及品牌元素。"}},{"name":"Automation instructor","description":"Blue line-drawn instructor with round glasses, a moustache, side tufts of hair, and a long blue tie, holding a pointer toward the Automation board.","membership":"Include the complete figure, facial details, glasses, tie, hands, feet, and held pointer. Exclude the board and its text; the open space between limbs and pointer is not included.","id":"obj_014","temporal":{"status":"found","start_s":10.75,"end_s":12.5,"reference_s":11.0,"evidence":"目标是戴圆眼镜、有 moustache 式胡须和两侧发簇、系长蓝领带并持教鞭指向 Automation 板的蓝色线描讲师。首个合格帧为10.75秒，完整人物及教鞭均已出现；最后合格帧为12.25秒。前一帧10.50秒仍是 Kubernetes 与服务架构图，后一帧12.50秒已切换为标志特写，讲师消失。选择11.00秒作为关键帧，人物轮廓、面部、四肢和教鞭清晰且无遮挡。","start_frame":258,"end_frame":300,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[180,129,537,951],"positive_points":[[210.4,217],[248,525.2],[186,492.2],[468.3,338.5],[512.7,270],[280.8,947]],"negative_points":[[590.8,164.1],[775.4,277.8],[134.3,538.2],[361.3,824.7]],"evidence":"目标是戴圆眼镜、留胡须并系蓝色长领带的蓝线教师。边界框覆盖头发、完整身体、手脚及所持教鞭，不包含白板和文字。正点分布于眼镜、领带、左臂、右手、教鞭和右脚；负点位于白板文字、右边框及人物外侧背景。"}},{"name":"Automation board","description":"Blue rectangular teaching board to the right of the instructor, containing the large black heading “Automation.”","membership":"Include the board's outer blue boundary, enclosed white surface, and heading. Exclude the instructor and the pointer passing in front of it.","id":"obj_015","temporal":{"status":"found","start_s":10.75,"end_s":12.5,"reference_s":11.0,"evidence":"目标是讲师右侧的蓝色矩形教学板，包含完整蓝色外框、白色内面及黑色标题“Automation”，不含讲师和指示棒。首个符合帧为10.75秒，最后为12.25秒；此前10.50秒仍为Kubernetes架构图，此后12.50秒已切换为软件标志画面，教学板消失。选择11.00秒作为关键帧，板框与标题清��，便于区分前方指示棒。","start_frame":258,"end_frame":300,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[401.9,57.3,777.8,423.6],"positive_points":[[404,180],[764,61],[449,128],[674.3,129.5],[586,290],[725,370]],"negative_points":[[250,235],[513,269],[823,250],[605,490]],"evidence":"目标是讲师右侧、带有黑色“Automation”标题的蓝框教学板。边界框紧贴板的外侧蓝色边界，覆盖白色板面和标题。正点分布在蓝框、板面及标题上；负点位于讲师、板前指示棒和板外背景，排除这些非目标内容。"}},{"name":"Comparison Kubernetes emblem","description":"Large Kubernetes wheel emblem presented on the right of a beige comparison scene, inside a black circular surround opposite the Jenkins mascot.","membership":"Include the complete circular surround and its enclosed blue polygon and white wheel, including any visible cropped portion as it moves out of view. Exclude the surrounding blue glow and the text underneath.","id":"obj_016","temporal":{"status":"found","start_s":12.5,"end_s":13.0,"reference_s":12.75,"evidence":"目标是米色比较场景中与 Jenkins 吉祥物相对的 Kubernetes 徽章，包含黑色圆形外框、蓝色多边形和白色舵轮，不含蓝色光晕及下方文字。首个合格帧为 12.50 秒，最后合格帧为 12.75 秒；此前 12.25 秒仍是 Automation 讲解场景，此后 13.00 秒徽章向右移出并被画面边界裁切，按离场边界规则结束。选择 12.75 秒作为关键帧，徽章完整清晰，且与左侧 Jenkins 的对应关系明确。","start_frame":300,"end_frame":312,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[622,146,965,753],"positive_points":[[794,164],[636,443],[757,278],[795,440],[825,677],[791,735]],"negative_points":[[797,918],[520,461],[799,67],[240,451]],"evidence":"目标是右侧与 Jenkins 吉祥物相对的 Kubernetes 舵轮徽章。边界框紧贴完整黑色圆形外框，包含内部蓝色多边形和白色舵轮，不含外围蓝色光晕及下方文字。正点分布于黑色外框、蓝色区域和白色舵轮；负点位于下方文字、外部米色背景及左侧 Jenkins 图案。"}},{"name":"Comparison Kubernetes label","description":"Large black “Kubernetes” text beneath the right-hand emblem in the beige comparison scene.","membership":"Include only the label's lettering, including its visible portion during cropping. Exclude the emblem and background.","id":"obj_017","temporal":{"status":"found","start_s":12.5,"end_s":13.0,"reference_s":12.5,"evidence":"目标是米色比较场景中 Kubernetes 徽标下方的大号黑色“Kubernetes”字样，仅指 lettering。首个合格帧为12.50秒，最后合格帧为12.75秒；此前12.25秒仍是白底 Automation 场景。13.00秒字样随画面移动而被右边界裁切，故结束于该时刻。选择12.50秒作为关键帧，文字完整清晰且无遮挡。","start_frame":300,"end_frame":312,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[317,851,702,961],"positive_points":[[325,899],[367,918],[407,885],[488,912],[610,910],[689,939]],"negative_points":[[507,664],[506,805],[289,916],[739,928]],"evidence":"目标是蓝色 Kubernetes 徽标下方完整的黑色“Kubernetes”标签。边界框紧贴整段文字；六个正点分布在不同字母的实际笔画上，负点位于上方徽标及文字外围的米色背景，排除了徽标和背景。"}},{"name":"Main Jenkins mascot","description":"Jenkins butler mascot with a red bow tie, dark jacket, and white cuff, initially enlarged on the left of the beige comparison scene; subsequently presented at the upper left of a white slide.","membership":"Include the complete mascot graphic and its attached red and black background shapes as displayed. Exclude the blue glow in the comparison view, the separate Jenkins text, and the small corner badge.","id":"obj_018","temporal":{"status":"found","start_s":12.75,"end_s":15.0,"reference_s":13.5,"evidence":"目标为红领结、深色外套、白袖口的 Jenkins 主吉祥物，包含其红黑背景，不含文字、蓝色光晕及角落徽章。12.50 秒主吉祥物仍被左边界裁切，12.75 秒首次完整呈现，随后移至白色幻灯片左上方，持续至最后采样帧 14.75 秒。区间延伸至视频结尾，无后续帧。选择 13.50 秒作为关键帧，此时图形完整清晰、无遮挡，且无蓝色光晕干扰。","start_frame":306,"end_frame":360,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[111.3,115.5,199.7,332],"positive_points":[[160.2,171.9],[120.6,215.3],[134.3,253.5],[160.6,231.8],[159.2,296.9],[187,279.5]],"negative_points":[[154.3,376.7],[957,72],[90,220],[221,245]],"evidence":"目标是左上方放大的 Jenkins 管家吉祥物。边界框覆盖完整人物及相连的红黑背景图形，不含下方 Jenkins 文字和右上角小徽章。正点分布在面部、红色背景、外套、领结及白色袖口与手部；负点位于独立文字、小徽章和两侧外部白色背景。"}},{"name":"Main Jenkins label","description":"Large black “Jenkins” label beneath the main butler mascot, changing from handwritten-style lettering in the comparison scene to serif lettering on the white slide.","membership":"Include the complete text lettering throughout its layout and typeface changes. Exclude the mascot, background, and the separate “Automation Server” text.","id":"obj_019","temporal":{"status":"found","start_s":12.75,"end_s":15.0,"reference_s":13.5,"evidence":"目标是主男管家吉祥物下方的大号黑色“Jenkins”文字，不含吉祥物和“Automation Server”。12.50秒该文字仍被左侧画面边界裁切，12.75秒首次完整显示；随后从比较场景的手写体变为白底幻灯片的衬线体，持续至最后采样帧14.75秒。区间到达视频结尾，无后续帧。选择13.50秒作为关键帧，因为文字完整清晰、无遮挡，且易与右上角的小标签区分。","start_frame":306,"end_frame":360,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[65.4,349.8,244.6,412.3],"positive_points":[[80.6,373.3],[101.6,404.5],[135.3,388.9],[159.2,386.3],[211.9,390.6],[240.2,397.6]],"negative_points":[[157,190],[957,134],[270,384],[160,450]],"evidence":"目标为左上方主管家吉祥物下方的大号黑色衬线体“Jenkins”。边界框紧贴整段文字，正点分布在左右各字母的实际笔画上；负点位于上方吉祥物、右上角独立小标签及文字右侧和下方的白色背景，排除非目标内容。"}},{"name":"Automation Server text","description":"Black text reading “Automation Server,” revealed to the right of the Jenkins branding on the final white slide.","membership":"Include the complete two-word text block only. Exclude the Jenkins mascot, its label, and the corner badge.","id":"obj_020","temporal":{"status":"found","start_s":14.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是最后白色幻灯片中 Jenkins 品牌右侧完整的黑色“Automation Server”两词文本，不包含吉祥物、Jenkins 标签或角落徽标。14.50 秒尚无该文本；14.75 秒文本已完整呈现，是首个也是最后一个符合条件的采样帧，因此选为关键帧。区间延续至视频结束 15.00 秒，之后没有采样帧。","start_frame":354,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[363.3,291.7,689.5,342.9],"positive_points":[[369.1,330.7],[430.2,312.5],[500,321.2],[585.9,332.5],[642.6,331.6],[675.8,329.9]],"negative_points":[[156.3,208.3],[156.3,386.3],[958,69.4],[527.3,416.7]],"evidence":"目标是白色幻灯片上、左侧 Jenkins 品牌右方的黑色“Automation Server”文字。边界框紧贴完整两词文本；六个正点分布在两词的实际字形笔画上，四个负点分别位于左侧吉祥物、Jenkins 标签、右上角徽标及文字下方的外部白色背景。"}}]}
+{"video_id":221,"video_type":"data and scientific visualization","targets":[{"name":"SonarQube wordmark, opening appearance","description":"Large black SonarQube lettering with three blue curved strokes, initially presented on the left above the code footage.","membership":"Includes the complete lettering and blue strokes. Excludes the adjacent arrow, code imagery, and small corner watermark.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":9.5,"reference_s":1,"evidence":"目标为左侧的大号黑色 SonarQube 字样及三条蓝色弧线，不含箭头、代码画面及右上角水印。首个合格帧为 0.00 秒，字样和弧线已完整呈现；视频起点之前无采样帧。最后合格帧为 9.25 秒，9.50 秒已切换为火柴人画面，目标消失。选择 1.00 秒作为关键帧，目标完整清晰、无遮挡，易与右上角小水印区分。","start_frame":0,"end_frame":228,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[57.6,258.7,334.5,377.6],"positive_points":[[64.5,324.7],[116.7,329.0],[193.8,316.8],[279.3,337.7],[323.7,355.0],[330.6,289.1]],"negative_points":[[463.9,251.7],[583.5,164.9],[953.6,62.5],[189.0,437.5]],"evidence":"目标是左侧大型黑色 SonarQube 字标及其右上方三条蓝色弧线。边界框紧贴完整文字和蓝色笔画；正点分布在字母实笔及蓝色弧线上，负点位于相邻箭头、代码图案、右上角小水印和字标下方外部白色背景。"}},{"name":"Arrow toward code analysis","description":"Black hand-drawn arrow pointing diagonally upward from the opening wordmark toward the code-inspection illustration.","membership":"Includes the arrow shaft and arrowhead only; excludes the white space around them and both adjacent graphics.","id":"obj_002","temporal":{"status":"found","start_s":0.75,"end_s":9.5,"reference_s":1.0,"evidence":"目标是开场 SonarQube 字标与代码检查插图之间、斜向右上方的黑色手绘箭头，仅含箭杆和箭头头部。首次完整出现于0.75秒，最后合格帧为9.25秒；前一帧0.50秒仅有字标，尚无箭头，后一帧9.50秒已切换为火柴人画面，箭头消失。选择1.00秒为关键帧，箭头结构清晰完整，无遮挡，且与两侧图形易于区分。","start_frame":18,"end_frame":228,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[379.4,207.5,512.2,318.6],"positive_points":[[394.5,305.6],[425.3,281.3],[456.1,256.9],[484.4,233.5],[482.4,211.8],[499.5,247.4]],"negative_points":[[440,200],[450,340],[300,330],[570,220]],"evidence":"目标是左侧 SonarQube 字标与右侧代码检查插图之间、斜向右上方的黑色手绘箭头。边界框紧贴箭杆和箭头的可见范围；六个正点分布在箭杆及箭头两翼，四个负点位于外围白色背景和两侧相邻图形上。"}},{"name":"Code-inspection illustration","description":"Colored code-window graphic in the upper-right area, overlapped by a large magnifying glass with a blue rim and brown handle.","membership":"Includes the window surface, boundary, code marks, and complete overlapping magnifying glass, including its enclosed lens area. Excludes the incoming arrow.","id":"obj_003","temporal":{"status":"found","start_s":0.75,"end_s":9.5,"reference_s":1.0,"evidence":"目标是右上方彩色代码窗口及其前方蓝色镜框、棕色手柄的完整放大镜，不包含指向它的箭头。首个合格帧为0.75秒，窗口和放大镜均已完整呈现；前一帧0.50秒尚无该图。最后合格帧为9.25秒，随后9.50秒切换为火柴人画面，目标消失。选择1.00秒作为关键帧，目标清晰完整，无遮挡，周围干扰较少。","start_frame":18,"end_frame":228,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[553.2,26,777.8,424.5],"positive_points":[[635,65],[575,248],[630,134],[679,269],[754,308],[760,396]],"negative_points":[[485,234],[801,156],[586,390],[956,65]],"evidence":"目标是右上方的彩色代码窗口及其前方的大放大镜。边界框紧贴窗口顶部、左侧和放大镜棕色手柄的最右、最下端，包含镜片内部。正点分布在窗口标题栏、窗口表面、代码标记、镜片、蓝色边框和手柄上；负点位于左侧来箭头、外部白色背景及右上角独立标志上。"}},{"name":"Scrolling source-code panel","description":"Wide black rectangular footage panel below the opening wordmark, displaying scrolling syntax-highlighted source code in green, magenta, cyan, yellow, and white.","membership":"Includes the entire bounded black panel and all changing code content within it. Excludes the surrounding white background and adjacent detective.","id":"obj_004","temporal":{"status":"found","start_s":2.75,"end_s":9.5,"reference_s":3.0,"evidence":"目标是开场 SonarQube 字标下方的宽黑色矩形面板，内部持续滚动多色语法高亮代码，不包含右侧侦探。2.75 秒首次显示完整面板，2.50 秒尚未出现；9.25 秒为最后合格帧，9.50 秒已切换为白底火柴人画面，面板消失。选择 3.00 秒作为关键帧，此时面板边界完整清晰，且无邻近侦探干扰。","start_frame":66,"end_frame":228,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[91.3,454,666,971.4],"positive_points":[[120,510],[430,535],[571,626],[204,774],[483,891],[620,826]],"negative_points":[[60,700],[718,715],[380,408],[440,988]],"evidence":"目标是大号 SonarQube 字标下方显示彩色源代码的宽黑色矩形面板。边界框紧贴面板四边，包含黑色表面及全部代码；六个正点分布于面板各处，四个负点位于面板外左、右、上、下的白色背景。"}},{"name":"Cartoon code detective","description":"Cartoon investigator beside the source-code panel, wearing a dark green hat and coat, black sunglasses, and holding a magnifying glass.","membership":"Includes the complete character, clothing, and held magnifying glass with its enclosed lens area. Excludes the code panel and separate bug icon.","id":"obj_005","temporal":{"status":"found","start_s":3.5,"end_s":9.5,"reference_s":4.25,"evidence":"目标是源码面板右侧戴深绿色帽子和外套、黑色墨镜并手持放大镜的完整卡通侦探，不含独立虫子图标。首次合格帧为3.50秒，末次为9.25秒；此前3.25秒仅有源码面板等元素，尚无侦探，之后9.50秒已切换为火柴人场景，侦探消失。选择4.25秒作为关键帧，人物及放大镜完整清晰、无遮挡，且尚无独立虫子图标干扰。","start_frame":84,"end_frame":228,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[684.6,515.6,863.3,999.1],"positive_points":[[754,587],[752,699],[698,710],[750,782],[824,855],[824,972]],"negative_points":[[604,788],[910,739],[691,268],[763,463]],"evidence":"目标是代码面板右侧戴深绿色帽子、黑色墨镜并手持放大镜的卡通侦探。边界框覆盖完整人物、衣帽、鞋子和手持放大镜（含镜片）。正点分布于帽子、面部、镜片、手臂、衣服和鞋子；负点位于左侧代码面板、右侧及上方白色背景和上方独立代码检查图标。"}},{"name":"Software bug icon","description":"Small dark insect-shaped symbol above and to the right of the detective, with a green code mark on its body.","membership":"Includes the insect body, head, antennae, legs, and internal green code mark. Excludes surrounding white space.","id":"obj_006","temporal":{"status":"found","start_s":4.5,"end_s":9.5,"reference_s":5.25,"evidence":"目标是侦探右上方的深色昆虫图标，具有头部、触角、六条腿及绿色代码标记。4.50秒首次完整出现，9.25秒为最后一个符合条件的采样帧；此前4.25秒尚无该图标，随后9.50秒切换为火柴人场景，图标消失。选择5.25秒作为关键帧，因为图标完整清晰、无遮挡，且与周围对象容易区分。","start_frame":108,"end_frame":228,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[881.8,427.1,967.8,579.9],"positive_points":[[924.8,516.5],[924.8,464.4],[915.5,440.1],[894.0,467.9],[955.6,464.4],[944.8,559.9]],"negative_points":[[869.1,490.5],[979.5,508.7],[924.8,401.0],[924.8,611.1]],"evidence":"目标是侦探右上方、身体带绿色代码符号的深色昆虫图标。边界框紧贴头部、触角、身体及全部足肢；正点分布在头部、身体代码标记、触角和足肢上，负点位于图标四周明显分离的白色背景。"}},{"name":"Stick-figure presenter, issue-list appearance","description":"Tall smiling black-line stick figure on the left, with one hand on its hip and the other extended toward the progressively revealed issue list.","membership":"Includes the complete drawn figure, facial details, and enclosed head and hand areas. Excludes the issue text and neighboring arrows or logos.","id":"obj_007","temporal":{"status":"found","start_s":9.5,"end_s":14.5,"reference_s":11.75,"evidence":"目标是左侧微笑的黑线火柴人，一手叉腰、另一手朝问题列表伸出，包含完整头部、五官、手和双腿。首个合格帧为9.50秒，最后为14.25秒；此前9.25秒仍是代码与侦探画面，此后14.50秒切换为SonarQube标志，人物消失。选择11.75秒作为关键帧，人物完整清晰且无遮挡，并可借旁边的问题列表确认其身份。","start_frame":228,"end_frame":348,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[67.4,79.9,301.8,920.9],"positive_points":[[125,200],[140,420],[75,484],[284,392],[87,916],[151.5,805]],"negative_points":[[500,250],[550,395],[955,65],[340,650]],"evidence":"目标是左侧微笑、单手叉腰且另一手向右伸出的黑线人物。边界框覆盖头发、头脸、躯干、双臂双手及双腿双脚。正点分布在头部内部、躯干线、叉腰侧肘部、伸出手内部及腿脚笔画；负点位于两行问题文字、右上角标志和人物右侧外部空白，均不属于人物。"}},{"name":"Code-quality issue list","description":"Progressively revealed text block to the right of the presenter, reading “duplicate code”, “complex methods”, and “security flaws”.","membership":"Includes all revealed lettering in the three-line issue list. Excludes the presenter, outgoing arrow, and SonarQube wordmark.","id":"obj_008","temporal":{"status":"found","start_s":12.25,"end_s":14.5,"reference_s":12.5,"evidence":"目标是讲解人物右侧由“duplicate code”“complex methods”“security flaws”组成的三行文字，不含箭头和标志。12.25秒三行首次完整呈现，14.25秒为最后合格帧；此前12.00秒仅有前两行，此后14.50秒文字列表消失，画面改为SonarQube标志。选择12.50秒作为关键帧，三行文字清晰完整且无遮挡。","start_frame":294,"end_frame":348,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[369,220,665,567],"positive_points":[[417,242],[626,243],[413,391],[576,386],[505,532],[573,523]],"negative_points":[[138,413],[707,679],[955,120],[740,390]],"evidence":"目标是演示者右侧的三行文字：“duplicate code”“complex methods”和“security flaws”。边界框紧密覆盖全部三行文字及行间空隙；六个正点分布于各行的实际字形笔画上，负点位于演示者、右下箭头、右上品牌字样及文字块外部背景，均不包含在目标中。"}},{"name":"Arrow from issues to SonarQube","description":"Black hand-drawn arrow descending diagonally from beside “security flaws” toward the lower-right SonarQube wordmark.","membership":"Includes the shaft and arrowhead only. Excludes adjacent text, the wordmark, and surrounding blank space.","id":"obj_009","temporal":{"status":"found","start_s":12.25,"end_s":14.5,"reference_s":13.0,"evidence":"目标是“security flaws”右侧向右下方 SonarQube 字标指去的黑色手绘箭头，仅含箭杆和箭头。12.25 秒首次完整出现，14.25 秒为最后 qualifying 帧；前一帧 12.0 秒尚无该箭头，后一帧 14.5 秒已切换为单独的 SonarQube 字标，箭头消失。选择 13.0 秒作为关键帧，此时箭头完整清晰，且下方字标已出现，指向关系明确。","start_frame":294,"end_frame":348,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[653.3,545.1,737.8,758.7],"positive_points":[[669,588.5],[684.6,630.2],[701.7,676.2],[719.2,724],[732,715.3],[716.8,744.8]],"negative_points":[[615.2,527.8],[708,842.9],[673.8,711.8],[756.8,659.7]],"evidence":"目标是“security flaws”右侧斜向右下方 SonarQube 字标的黑色手绘箭头。边界框紧包箭杆和箭头尖端；六个正点分布在箭杆及箭头两翼上，负点位于相邻文字、下方字标和箭头外侧空白处。"}},{"name":"SonarQube wordmark, integration appearance","description":"Black SonarQube wordmark with blue curved strokes, first shown beneath the issue list at lower right and subsequently enlarged and moved left for the integration diagram.","membership":"Includes the complete lettering and three blue strokes throughout its repositioning and scaling. Excludes arrows, the CI/CD symbol, and the corner watermark.","id":"obj_010","temporal":{"status":"found","start_s":13.0,"end_s":20.0,"reference_s":16.0,"evidence":"目标为黑色 SonarQube 字标及三条蓝色弧线，不含角落水印。13.00 秒首次完整出现在问题列表右下方，随后放大并移至左侧组成集成示意图，持续至最后合格帧 19.75 秒。此前 12.75 秒仅有列表和箭头，尚无该字标；之后 20.00 秒该字标已消失，仅剩角落水印。选择 16.00 秒作为关键帧，字标完整清晰、无遮挡，与箭头和 CI/CD 图标分离。","start_frame":312,"end_frame":480,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[109.4,381.1,522.5,560.8],"positive_points":[[120,507],[284,480],[446,528],[507.3,520],[513.2,471.4],[506.3,407.1]],"negative_points":[[652,500],[824,500],[954,65],[301,651]],"evidence":"目标是画面左侧放大的 SonarQube 标识，与右侧 CI/CD 图案由双向箭头连接。边框紧贴完整黑色文字及三条蓝色弧线；正点分布在文字笔画和三条弧线上，负点位于双向箭头、CI/CD 图案、右上角水印及下方外部空白处。"}},{"name":"Bidirectional integration arrow","description":"Thick black horizontal double-headed arrow between the large SonarQube wordmark and the CI/CD loop.","membership":"Includes the solid shaft and both arrowheads only. Excludes both adjacent symbols and surrounding white space.","id":"obj_011","temporal":{"status":"found","start_s":15.5,"end_s":19.75,"reference_s":16.0,"evidence":"目标是大号 SonarQube 字样与 CI/CD 环形图标之间的粗黑水平双向箭头，仅包含箭身及两端箭头。15.50 秒首次完整出现，19.50 秒为最后一个完整可见帧；此前的15.25秒只有 SonarQube 字样，之后的19.75秒箭头及相邻大图标均已消失。选择16.00秒为关键帧，箭头结构清晰、无遮挡，且与两侧符号分离。","start_frame":372,"end_frame":474,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[580.1,449.7,724.6,549.5],"positive_points":[[604.5,472.2],[605,526.9],[633.8,499.1],[669,499.1],[693.4,469.6],[696.3,526.9]],"negative_points":[[651.9,399.3],[651.9,590.3],[551.8,499.1],[752,499.1]],"evidence":"目标是大型 SonarQube 字标与 CI/CD 环形图之间的黑色水平双向箭头。边界框紧贴箭杆及两端箭头；六个正点分布在实心箭杆和左右箭头笔画上，四个负点位于箭头上、下、左、右的外部白色背景中。"}},{"name":"CI/CD loop, integration appearance","description":"Black outlined infinity-shaped cycle labeled “CI” and “CD”, presented to the right of the SonarQube integration arrow.","membership":"Includes the complete intertwined arrow-loop structure, enclosed areas, and internal “CI” and “CD” lettering. Excludes the separate bidirectional arrow.","id":"obj_012","temporal":{"status":"found","start_s":15.5,"end_s":19.75,"reference_s":16.0,"evidence":"目标是SonarQube右侧、独立双向箭头之后的黑色无穷形交织箭头环，内部标有“CI”和“CD”。15.50秒首次完整出现，19.50秒为最后符合条件的帧；此前15.25秒只有SonarQube标志，之后19.75秒该图形及整组集成示意均已消失。选择16.00秒作为关键帧，环形结构与字母清晰完整、无遮挡，且与独立双向箭头容易区分。","start_frame":372,"end_frame":474,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[777.8,402.8,966.3,597.2],"positive_points":[[790.5,486.1],[821.8,436.6],[824.2,499.1],[875.5,486.1],[918,499.1],[949.7,520.8]],"negative_points":[[651.4,499.1],[868.2,362],[874,648.4],[981.4,501.7]],"evidence":"目标是右侧带“CI”“CD”字样的黑色无穷形交织箭头环。边界框紧贴完整循环结构，包含箭头、封闭区域及内部文字，不包含左侧独立双向箭头。正点分布在两侧环体、箭头、交织带和字母区域；负点位于独立双向箭头及目标上方、下方和右侧的外部空白。"}},{"name":"Stick-figure presenter, pipeline and language appearance","description":"Smiling black-line presenter returning on the left beside the crossed-out pipeline diagram, then remaining beside the programming-language collage.","membership":"Includes the complete figure, facial details, and enclosed head and hand areas throughout its slight repositioning. Excludes all diagrams and language logos to its right.","id":"obj_013","temporal":{"status":"found","start_s":22.5,"end_s":26.0,"reference_s":23.0,"evidence":"目标是左侧微笑、伸出一只手的完整黑线火柴人：先位于红叉管线图旁，随后轻微移位并持续出现在编程语言拼贴旁。首个合格帧为22.50秒，前一帧22.25秒仅有白底及右上角标志，尚无人物；最后合格帧为25.75秒，人物仍完整可见，区间延续至视频结束26.00秒，无后续帧。选择23.00秒作为关键帧，人物轮廓、面部和手部清晰完整，与右侧图示分离且无遮挡。","start_frame":540,"end_frame":624,"reference_frame":552},"grounding":{"status":"found","bbox_xyxy":[67.4,79.9,301.8,921.0],"positive_points":[[125,190],[283,392],[139.5,416.7],[75.2,483.5],[85.4,916],[152.3,846.4]],"negative_points":[[400,450],[625,176],[686,474],[550,450]],"evidence":"目标是左侧微笑、伸手讲解的黑线火柴人。边界框紧贴完整人物，覆盖头发、面部、双手、躯干及双腿脚部。正点分布在头部内部、伸出的手、躯干、左臂和两侧下肢；负点位于右侧空白、CI/CD图标、红叉及黑色管道上，排除右侧所有图示。"}},{"name":"CI/CD loop above pipeline","description":"Black outlined infinity-shaped arrow cycle labeled “CI” and “CD”, returning above the pipeline illustration.","membership":"Includes the entire loop, its enclosed areas, arrowheads, and internal lettering. Excludes the code symbol, pipe, and red cross below.","id":"obj_014","temporal":{"status":"found","start_s":22.5,"end_s":24.5,"reference_s":23.0,"evidence":"目标是管道图示上方、内部标有“CI”和“CD”的黑色无穷形箭头环，不包括下方代码符号、管道及红叉。首次完整出现于22.50秒，最后 qualifying 帧为24.25秒；此前22.25秒为空白背景及右上角标志，此后24.50秒已替换为编程语言图标。选择23.00秒作为关键帧，箭头环及文字清晰完整，与下方图形分离，便于标注。","start_frame":540,"end_frame":588,"reference_frame":552},"grounding":{"status":"found","bbox_xyxy":[581,81,766.6,272.6],"positive_points":[[623,112],[624,179],[632,241],[674,174],[718,175],[712,241]],"negative_points":[[688,330],[610,373],[549,421],[674,43]],"evidence":"目标是管道上方标有“CI”和“CD”的黑色无穷形箭头循环。边界框紧贴整个循环及箭头，包含内部区域和文字；六个正点分布在箭头、中央连接段和两侧文字区域，负点位于下方代码符号、红叉、管道及上方外部背景。"}},{"name":"Code symbol above pipeline","description":"Black circular badge containing a white code-bracket-and-slash mark, positioned between the CI/CD loop and the pipe and partly covered by the red cross.","membership":"Includes the circular boundary, enclosed black surface, and white code mark. Excludes the overlaid red cross and neighboring pipeline components.","id":"obj_015","temporal":{"status":"found","start_s":22.5,"end_s":24.5,"reference_s":23.0,"evidence":"目标是CI/CD环与管道之间的黑色圆形代码徽章，内有白色尖括号和斜线，部分被红叉遮挡。首个合格帧为22.50秒，最后为24.25秒；此前22.25秒仅有白底和右上角标志，此后24.50秒已替换为编程语言图标。选择23.00秒作为关键帧，徽章圆形结构及白色代码符号清晰可辨。","start_frame":540,"end_frame":588,"reference_frame":552},"grounding":{"status":"found","bbox_xyxy":[654.3,281.3,727,409],"positive_points":[[691.9,300.3],[664.1,343.8],[675.8,316.8],[703.1,309],[670.4,376.7],[695.3,351.6]],"negative_points":[[710.4,389.8],[549.3,422.7],[708,178],[625,270]],"evidence":"目标是 CI/CD 环形图下方、管道上方的黑色圆形代码徽章，右下部分被红叉遮挡。边界框紧贴徽章可见部分；正点分布于黑色表面及白色括号和斜杠，负点位于覆盖的红叉、管道、上方 CI/CD 图及外部背景，均不包含在目标中。"}},{"name":"Pipeline illustration","description":"Large black pipe-shaped graphic with bent ends and a central segmented connection, shown beneath the code badge.","membership":"Includes the complete pipe silhouette and its internal white details. Follows the pipe's bends and concavities rather than including the surrounding rectangular space. Excludes the code badge and overlaid cross.","id":"obj_016","temporal":{"status":"found","start_s":22.5,"end_s":24.5,"reference_s":23.0,"evidence":"目标是代码徽章下方的黑色管道图形，具有两端弯折、中央分段连接和内部白色细节；不包括徽章及覆盖其上的红叉。首次合格帧为22.5秒，最后为24.25秒，期间管道持续存在，红叉仅造成遮挡。前一帧22.25秒为空白背景及角落标志，后一帧24.5秒已替换为编程语言标志集合。选择23.0秒作为关键帧，管道轮廓及白色细节清楚可辨。","start_frame":540,"end_frame":588,"reference_frame":552},"grounding":{"status":"found","bbox_xyxy":[530,349,853,682.3],"positive_points":[[547,390],[567,517],[630,575],[712,484],[751,514],[838,669]],"negative_points":[[657,478],[687,317],[508,488],[718,750]],"evidence":"目标是代码徽章下方、被红叉遮挡的黑色管道。边界框紧贴左侧上弯管、中央分段连接和右侧下弯管的可见外缘。六个正点分布在各段黑色管体及右下端内部白色细节上；负点位于红叉、代码徽章及管道外部背景，排除这些非目标内容。"}},{"name":"Red pipeline rejection cross","description":"Large red brushstroke X laid across the code badge and pipeline, indicating rejection or blockage.","membership":"Includes both red brushstrokes and their ragged ends only. Excludes the underlying code and pipeline graphics.","id":"obj_017","temporal":{"status":"found","start_s":22.5,"end_s":24.5,"reference_s":23.0,"evidence":"目标为覆盖代码徽章和管道的大型红色笔刷X，仅包含两条红色笔画及其毛糙末端。22.50秒首次完整出现，24.25秒为最后一个符合条件的帧；此前22.25秒画面为空白并保留右上角标志，此后24.50秒已替换为编程语言标志集合，红X消失。选择23.00秒作为关键帧，红X结构完整清晰，无遮挡，便于独立标注。","start_frame":540,"end_frame":588,"reference_frame":552},"grounding":{"status":"found","bbox_xyxy":[561,282,787,681],"positive_points":[[576.2,307.3],[766.1,309],[654.3,474],[580.1,638],[742.2,617.2],[610.4,391.5]],"negative_points":[[546.9,422.7],[673.8,302.9],[835,582.5],[623,173.6]],"evidence":"目标是覆盖代码徽章和管道的大型红色笔刷叉号。边界框紧贴两条红色笔画及其毛糙末端；六个正点分布在四条叉臂及交汇处，四个负点位于被排除的黑色管道、代码徽章和上方 CI 图标上。"}},{"name":"Programming-language logo collage","description":"Compact multicolored collage to the right of the presenter, including Python, Ruby, Scala, CSS, PowerShell, C++, TypeScript, R, Kotlin, C, Bash, Objective-C, C#, Java, Rust, Perl, Swift, HTML, JavaScript, and PHP branding.","membership":"Includes the complete bounded collage image, its backing surface, and all constituent logos and labels. Excludes the presenter and the separate corner watermark.","id":"obj_018","temporal":{"status":"found","start_s":24.5,"end_s":26.0,"reference_s":25.0,"evidence":"目标是讲解者右侧包含 Python、Java、Rust、HTML、JavaScript、PHP 等品牌的完整多彩编程语言标志拼贴，不含讲解者和右上角水印。首个符合帧为24.50秒，拼贴已完整呈现；前一帧24.25秒仍是带红叉的管道图示，没有该拼贴。最后符合帧为25.75秒，目标保持完整，区间延续至26.00秒视频结束，之后无采样帧。选择25.00秒作为关键帧，拼贴清楚且无遮挡。","start_frame":588,"end_frame":624,"reference_frame":600},"grounding":{"status":"found","bbox_xyxy":[420,148,932,610],"positive_points":[[498,192],[686,225],[898,235],[458,304],[463,570],[855,543]],"negative_points":[[160,238],[955,65],[365,408],[699,714]],"evidence":"目标是演示者右侧包含 Python、Ruby、Scala、TypeScript、Java、PHP 等标识的多语言拼贴。边界框覆盖整块拼贴底面及全部徽标和文字；六个正点分布在上、中、下部的代表性标识上。负点位于左侧演示者、右上角独立水印以及拼贴外的空白背景。"}}]}
+{"video_id":222,"video_type":"data and scientific visualization","targets":[{"name":"Thinking-face illustration","description":"Pale yellow cartoon face with a hand under its chin and a blue striped question mark. It appears near the center, then shrinks and moves to the left of the networking illustrations.","membership":"Include the complete face, facial marks, chin-resting hand, and accompanying blue question mark. Exclude the green background and neighboring logos.","id":"obj_001","temporal":{"status":"found","start_s":1.25,"end_s":11.5,"reference_s":3.25,"evidence":"目标是浅黄色托腮思考脸及其蓝色条纹问号，随后缩小并移至左侧。首个符合条件的采样帧为1.25秒，1.00秒仍处于初始淡入；最后符合条件的帧为11.25秒，11.50秒开始整体淡出。选择3.25秒作为关键帧，因为脸、手和问号完整清晰，且与相邻标志分离、无遮挡。","start_frame":30,"end_frame":276,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[93,299,281,656],"positive_points":[[125,394],[121,548],[251,527],[198,592],[225,321],[258,389]],"negative_points":[[135,310],[65,510],[395,396],[190,700]],"evidence":"目标是左侧浅黄色托腮思考的卡通脸及其蓝色条纹问号。边界框覆盖完整脸部、五官、托腮手和问号；正点分布于脸部、手部及问号上，负点位于外围绿色背景和右侧相邻的亚马逊标志上。"}},{"name":"Amazon logo","description":"Black lowercase Amazon “a” above an orange smile-shaped arrow. It initially appears beside the thinking face and later moves beside the single server.","membership":"Include the black letter and orange curved arrow as one logo. Exclude the server and other company logos.","id":"obj_002","temporal":{"status":"found","start_s":1.75,"end_s":7.5,"reference_s":3.25,"evidence":"目标是黑色小写 a 与橙色微笑箭头组成的 Amazon 标志，随后连续移动到单个服务器旁。首个合格帧为 1.75 秒；前一帧 1.50 秒仍在淡入，字母和箭头颜色尚浅。最后合格帧为 7.25 秒，下一帧 7.50 秒标志开始淡出。选择 3.25 秒作为关键帧，标志完整清晰，与其他公司标志分离且无遮挡。","start_frame":42,"end_frame":180,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[333.3,325,455.2,548.1],"positive_points":[[393.2,340.7],[417.2,402.8],[368.8,442.6],[419.3,472.2],[365.6,530.6],[450,499.1]],"negative_points":[[224,519],[573,417],[323,407],[396,602]],"evidence":"目标位于思考表情与 Facebook 图标之间，由黑色小写 a 和下方橙色微笑箭头组成。边界框紧密覆盖这两个部分；六个正点分布在字母笔画及箭头上，四个负点位于左侧表情、右侧 Facebook 图标及标志外部的绿色背景。"}},{"name":"Facebook logo","description":"White lowercase “f” inside a blue square, initially to the right of the Amazon logo.","membership":"Include the square's surface, boundary, and white letter. Exclude neighboring logos and background.","id":"obj_003","temporal":{"status":"found","start_s":2.5,"end_s":4.75,"reference_s":3.25,"evidence":"目标是亚马逊标志右侧、蓝色方框内带白色小写 f 的 Facebook 标志。2.50 秒首次完成淡入，2.25 秒仍呈半透明；随后标志向服务器移动并缩小，至 4.50 秒仍有极小残留，4.75 秒已消失。选择 3.25 秒作为关键帧，此时标志清晰完整，与相邻标志分离且无遮挡。","start_frame":60,"end_frame":114,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[532.3,363.9,616.2,513.0],"positive_points":[[541.7,383.3],[606.8,379.6],[544.8,489.8],[604.2,491.7],[583.9,407.4],[583.3,472.2]],"negative_points":[[395,410],[732,440],[574,331],[574,548]],"evidence":"目标是亚马逊标志右侧、领英标志左侧的蓝色方块白色小写 f。边界框紧贴整个蓝色方块，包含其表面、边界和白色字母；正点分布在蓝色表面及字母笔画上，负点位于上下外部背景和相邻的亚马逊、领英标志上。"}},{"name":"LinkedIn logo","description":"White “in” lettering inside a blue rounded square, initially between the Facebook and Netflix logos.","membership":"Include the entire rounded square and its enclosed lettering. Exclude neighboring graphics.","id":"obj_004","temporal":{"status":"found","start_s":2.75,"end_s":4.25,"reference_s":3.25,"evidence":"目标是 Facebook 与 Netflix 标志之间、蓝色圆角方块内含白色“in”的 LinkedIn 标志。2.75 秒首次完成淡入，4.00 秒缩小并移向服务器时仍完整可见，为最后合格帧；此前 2.50 秒仍处于淡入，之后 4.25 秒已消失。选择 3.25 秒作为关键帧，此时标志清晰、无遮挡，且与邻近图形分离。","start_frame":66,"end_frame":102,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[689.1,363.9,776.6,519.4],"positive_points":[[700,387],[759,386],[713,445],[740,446],[701,496],[762,495]],"negative_points":[[574,439],[895,439],[658,441],[734,572]],"evidence":"目标是位于 Facebook 与 Netflix 标志之间、带白色“in”字样的蓝色圆角方块。边界框紧贴整个圆角方块，包含内部字母；六个正点分布在蓝色底面和白色字母上，四个负点位于左右邻近标志及目标外的绿色背景。"}},{"name":"Netflix logo","description":"Red ribbon-like “N” on a black rounded square at the right end of the company-logo lineup.","membership":"Include the black tile and complete red letter. Exclude the surrounding background and other logos.","id":"obj_005","temporal":{"status":"found","start_s":3.25,"end_s":4.25,"reference_s":3.25,"evidence":"目标是公司标志队列最右侧的黑色圆角方块及红色 ribbon 状“N”。3.25秒首次完成淡入，完整清晰；此前3.00秒仍处于淡入。随后标志缩小并向服务器移动，4.00秒仍完整可见，为最后合格帧；4.25秒已消失。选择3.25秒作为关键帧，因为标志较大、无遮挡，且与其他标志分离。","start_frame":78,"end_frame":102,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[848.96,354.63,943.23,522.22],"positive_points":[[859.9,379.6],[932.3,380.6],[859.4,499.1],[932.3,500],[885.4,405.6],[906.3,469.4]],"negative_points":[[822.9,435.2],[968.8,430.6],[895.8,305.6],[733.3,444.4]],"evidence":"目标是公司标志队列最右侧的 Netflix 标志，黑色圆角方块上有红色丝带状 N。边界框紧贴整个黑色底块，包含完整红字；正点分布在黑色底块及红字上，负点位于外围绿色背景和左侧 LinkedIn 标志上。"}},{"name":"Single-server illustration","description":"Dark blue isometric server cabinet that appears below the company logos, with horizontal front divisions and rows of colored indicator lights.","membership":"Include the cabinet's top, side, front, panel divisions, and indicator lights. Exclude the Amazon logo, downward arrow, and the subsequently presented four-server lineup.","id":"obj_006","temporal":{"status":"found","start_s":4.0,"end_s":8.5,"reference_s":6.0,"evidence":"目标是公司标志下方的深蓝色等轴测单机柜，具有顶面、侧面、分层前面板和彩色指示灯，不包含亚马逊标志和箭头。首个合格帧为4.00秒；前一帧3.75秒机柜仍在淡入。最后合格帧为8.25秒，8.50秒已被四服务器阵列替换。选择6.00秒作为关键帧，机柜轮廓和面板细节清晰，易与旁边的标志及上方箭头区分。","start_frame":96,"end_frame":204,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[584.4,687.0,685.4,957.4],"positive_points":[[633.9,733.3],[599.5,819.4],[604.2,891.7],[666.7,781.5],[650.0,855.6],[659.4,913.9]],"negative_points":[[715.0,735.0],[721.0,826.0],[624.0,560.0],[562.0,830.0]],"evidence":"目标是图像下方的深蓝色立体单机柜，正面有横向分隔和多色指示灯。边界框紧贴机柜的顶面、侧面及正面；六个正点分布在这些可见部位。负点位于右侧Amazon字母和橙色笑脸、上方向下箭头及机柜左侧背景，排除这些非目标内容。"}},{"name":"Downward request arrow","description":"Long white downward-pointing arrow connecting the laptop-user area to the server area. It remains above the servers when the single cabinet is replaced by a lineup.","membership":"Include the arrow's outlined shaft, triangular head, and enclosed white area. Exclude users, servers, and the adjacent SSL graphic.","id":"obj_007","temporal":{"status":"found","start_s":4.75,"end_s":11.5,"reference_s":6.0,"evidence":"目标是笔记本用户区与服务器区之间的白色向下长箭头，包含描边箭杆和三角箭头；服务器变为一排后仍持续存在。首个合格帧为4.75秒，4.50秒仍在淡入；最后合格帧为11.25秒，11.50秒开始随场景淡出。选择6.00秒作为关键帧，箭头完整清晰、无遮挡，且旁边尚无SSL图标。","start_frame":114,"end_frame":276,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[610.4,443.5,637.5,651.9],"positive_points":[[624,451.9],[624,498.1],[624,546.3],[624,597.2],[617.2,623.1],[626,636.1]],"negative_points":[[599,518.5],[648.4,574.1],[630.2,731.5],[651,338]],"evidence":"目标是笔记本用户区下方、服务器上方的白色向下箭头。边界框紧贴箭头的描边长杆和三角箭头，包含内部白色区域。六个正点分布在杆身及箭头头部；四个负点位于两侧绿色背景、下方服务器和上方笔记本上。"}},{"name":"Standing laptop user","description":"Illustrated woman at the upper right with short dark reddish hair, an orange-red top, dark trousers, and red shoes, holding an open laptop with one leg bent.","membership":"Include the entire person, clothing, shoes, hands, and held laptop. Exclude the other laptop users and background.","id":"obj_008","temporal":{"status":"found","start_s":4.5,"end_s":11.5,"reference_s":5.5,"evidence":"目标是右上方穿橙红上衣、深色长裤和红鞋、单腿弯曲并手持打开笔记本电脑的女子。4.50秒首次完整清晰出现，4.25秒尚未出现；最后符合条件的帧为11.25秒，11.50秒人物开始随场景淡出。选择5.50秒作为关键帧，人物及电脑完整可见，与其他用户分离且无遮挡。","start_frame":108,"end_frame":276,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[805.7,79.6,949,420.4],"positive_points":[[824.5,134.3],[892.2,95.4],[895.3,178.7],[906.3,283.3],[940.1,338],[900.5,410.2]],"negative_points":[[799,260.2],[962.5,325],[886.5,452.8],[828.1,78.7]],"evidence":"目标是右上方手持打开的笔记本电脑、单腿弯曲的站立女子。边界框覆盖其头发、全身衣物、双手、两只红鞋及电脑。六个正点分布在电脑、头发、上衣、长裤和两只鞋上；负点位于左侧另一位用户及目标外围的绿色背景上。"}},{"name":"Glasses-wearing laptop user","description":"Illustrated user at the left end of the upper user group, wearing round glasses and a magenta shirt while typing on a blue laptop.","membership":"Include the person's visible head, glasses, torso, arms, hands, and complete blue laptop. Exclude the nearby thinking face and other users.","id":"obj_009","temporal":{"status":"found","start_s":5.0,"end_s":11.5,"reference_s":6.0,"evidence":"目标是上方用户组最左侧戴圆框眼镜、穿洋红色上衣并操作蓝色笔记本电脑的人物。5.00秒首次完整显示，4.75秒尚未出现；11.25秒为最后合格帧，11.50秒人物及电脑开始随画面淡出。选择6.00秒作为关键帧，人物和完整电脑清晰、无遮挡，与附近思考表情及其他用户易于区分。","start_frame":120,"end_frame":276,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[275.5,101.9,422.4,300],"positive_points":[[320,123],[322,149],[294,243],[335,282],[388,258],[369,296]],"negative_points":[[210,480],[476,289],[255,218],[386,170]],"evidence":"目标��上方用户组最左侧戴圆眼镜、穿洋红色上衣的蓝色笔记本电脑使用者。边界框紧贴其可见头部、眼镜、躯干、手臂、双手及完整电脑；六个正点分布在头发、眼镜面部、上衣、手、电脑屏幕和底座，负点位于左下思考表情、右侧其他用户及外部绿色背景。"}},{"name":"Long-haired laptop user","description":"Illustrated woman near the top center with long pinkish hair and a gray collared top, working on a pale open laptop.","membership":"Include the visible person and her laptop as one illustration. Exclude adjacent user illustrations.","id":"obj_010","temporal":{"status":"found","start_s":4.75,"end_s":11.5,"reference_s":6.0,"evidence":"目标是画面顶部中央的长粉色头发、灰色翻领上衣女子及其浅色打开的笔记本电脑，不包括相邻用户。首个合格帧为4.75秒，人物与电脑已完整显示；前一帧4.50秒尚未出现。最后合格帧为11.25秒，下一帧11.50秒开始整体淡出。选择6.00秒作为关键帧，目标清晰完整、无遮挡，容易与周围插图区分。","start_frame":114,"end_frame":276,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[475,50.9,600,230.6],"positive_points":[[548.4,69.4],[554.7,100.9],[586.5,163],[555.2,205.6],[500.5,163.9],[525.5,209.3]],"negative_points":[[510.9,81.5],[318.2,202.8],[478.1,281.5],[651,287]],"evidence":"目标是画面顶部中央、留粉色长发并穿灰色翻领上衣的女性。边界框紧贴她的可见身体及浅色打开的笔记本电脑；正点分布在头发、面部、衣服、手和电脑屏幕上，负点位于外部绿色背景及相邻用户插画上。"}},{"name":"Black-shirt laptop user","description":"Black-haired illustrated user below and left of the top-center woman, wearing a black shirt behind a light gray laptop with a circular lid mark.","membership":"Include the person's visible head and body, the laptop, and the small mouse beside it. Exclude neighboring illustrations and the downward arrow.","id":"obj_011","temporal":{"status":"found","start_s":4.75,"end_s":11.5,"reference_s":6.0,"evidence":"目标是顶部中央女子左下方的黑发黑衣用户，包含带圆形标记的浅灰笔记本及左侧小鼠标。首次完整呈现于4.75秒，4.50秒尚未出现；最后符合条件的帧为11.25秒，11.50秒开始随场景淡出。选择6.00秒为关键帧，此时人物、电脑和鼠标清晰完整，与邻近插图区分明确。","start_frame":114,"end_frame":276,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[424.5,226.9,522.9,435.2],"positive_points":[[475.5,246.3],[482.3,294.4],[440.6,378.7],[462.5,369.4],[508.3,416.7],[433.3,422.2]],"negative_points":[[559.4,164.8],[650.5,285.2],[624,536.1],[407.3,367.6]],"evidence":"目标是上方中央女性左下方、黑发黑衣且使用浅灰色圆标笔记本的人物。框覆盖可见头部、身体、整台笔记本及左侧小鼠标。正点分布在头发、脸、黑衣、电脑和鼠标上；负点位于邻近女性、橙衣人物、向下箭头及左侧外部背景。"}},{"name":"Orange-hoodie laptop user","description":"Smiling dark-haired illustrated user near the upper center-right, wearing an orange hoodie behind a gray laptop on a narrow tan desktop.","membership":"Include the visible person, laptop, and short desktop belonging to this illustration. Exclude the other users and connecting arrow.","id":"obj_012","temporal":{"status":"found","start_s":5.0,"end_s":11.5,"reference_s":6.0,"evidence":"目标是画面上方偏右穿橙色连帽衫的微笑黑发用户，包含其灰色笔记本电脑和短棕色桌面。5.00秒首次完整出现，前一帧4.75秒尚无该用户；11.25秒为最后合格帧，11.50秒开始随场景淡出。选择6.00秒作为关键帧，人物、电脑和桌面清晰完整，与其他用户易于区分。","start_frame":120,"end_frame":276,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[594.3,165.7,710.4,397.2],"positive_points":[[651,191],[652,242],[636,290],[613,355],[665,354],[701,391]],"negative_points":[[624,513],[800,288],[484,384],[727,249]],"evidence":"目标是画面上方偏右、穿橙色连帽衫的微笑深发用户。边界框紧密覆盖人物、灰色笔记本电脑及其短棕色桌面。正点分布在头发、脸部、衣服、电脑和桌面上；负点位于下方箭头、其他用户及其电脑和外部绿色背景，排除这些非目标内容。"}},{"name":"Headphone-wearing laptop user","description":"Illustrated woman to the right of the orange-hoodie user, with pinkish hair, large dark headphones, and a gray shirt, using a pale laptop.","membership":"Include her visible head, headphones, torso, arms, hands, and complete laptop. Exclude the standing user above her and surrounding graphics.","id":"obj_013","temporal":{"status":"found","start_s":4.75,"end_s":11.5,"reference_s":6.0,"evidence":"目标是橙色连帽衫用户右侧、戴深色大耳机的粉发灰衣女子，包含其上身、双臂双手及浅色笔记本电脑。首个完整呈现帧为4.75秒，4.50秒尚未出现；最后合格帧为11.25秒，11.50秒开始随场景淡出。选择6.00秒作为关键帧，人物和电脑清晰完整，与上方站立用户容易区分。","start_frame":114,"end_frame":276,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[708.3,204.6,851.6,406.5],"positive_points":[[791.7,247.2],[812.0,245.4],[804.2,338.0],[838.5,379.6],[738.0,361.1],[770.8,363.9]],"negative_points":[[653.6,291.7],[892.2,193.5],[796.9,448.1],[725.0,265.7]],"evidence":"目标是橙色连帽衫用户右侧、戴深色大耳机的粉发灰衣女子。边界框覆盖她的头部、耳机、躯干、双臂和手，以及完整浅色笔记本电脑。正点分布在脸部、耳机、衣服、手臂和电脑上；负点位于橙衣用户、上方站立用户及目标外围绿色背景。"}},{"name":"Leftmost server in four-server lineup","description":"Dark blue isometric cabinet at the far left of the expanded server lineup, beneath the left side of the laptop-user group.","membership":"Include this cabinet's complete top, side, front, horizontal divisions, and colored lights. Exclude the other three cabinets, including where their silhouettes briefly overlap.","id":"obj_014","temporal":{"status":"found","start_s":8.5,"end_s":11.5,"reference_s":10.5,"evidence":"目标是四台服务器横排中最左侧的深蓝色立体机柜，包含完整顶面、侧面、正面分隔线和彩色指示灯。8.50秒首次完整出现，虽仍在向左移动但结构已完整；此前8.25秒仅有单台服务器，尚无该四台阵列。最后合格帧为11.25秒，11.50秒开始随场景淡出。选择10.50秒作为关键帧，此时目标清晰，与其余三台完全分离且无遮挡。","start_frame":204,"end_frame":276,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[324,684.3,415.6,927.8],"positive_points":[[369.8,718.5],[339.6,770.4],[340.6,861.1],[397.4,794.4],[391.7,845.4],[382.3,900.9]],"negative_points":[[560.9,787],[724,787],[885.4,787],[291.7,787]],"evidence":"目标是图像下方四台服务器中最左侧的深蓝色机柜。边界框紧贴其完整顶面、侧面和正面，包含横向分隔线及彩色指示灯。六个正点分布在这些可见表面上；负点位于其余三台机柜及目标左侧的外部背景。"}},{"name":"Second server in four-server lineup","description":"Dark blue isometric cabinet second from the left in the expanded lineup, eventually positioned just left of the downward arrow.","membership":"Include only this cabinet's visible surfaces, panel divisions, and colored indicator lights. Exclude neighboring cabinets and the arrow.","id":"obj_015","temporal":{"status":"found","start_s":8.5,"end_s":11.5,"reference_s":10.5,"evidence":"目标是四台深蓝色机柜中从左数第二台，展开后位于向下箭头左侧。8.50秒首次出现完整的四机柜队列，目标虽与邻柜略有重叠，但结构已建立；此前8.25秒仍只有单台机柜。最后合格帧为11.25秒，11.50秒开始整体淡出。选择10.50秒作为关键帧，此时目标与邻柜分离，柜体表面、面板分隔和指示灯清晰可见。","start_frame":204,"end_frame":276,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[515.6,684.3,606.8,927.8],"positive_points":[[560.9,719.4],[536.5,788.9],[535.4,874.1],[589.1,775],[572.9,837],[580.2,895.4]],"negative_points":[[369.8,799.1],[724,803.7],[624,564.8],[489.6,776.9]],"evidence":"目标是底部四台服务器中从左数第二台，位于向下箭头左侧。边界框紧贴该机柜的顶面、侧面和正面轮廓；六个正点分布于可见表面、面板及指示灯区域，负点位于左右相邻机柜、箭头和机柜外的绿色背景。"}},{"name":"Third server in four-server lineup","description":"Dark blue isometric cabinet third from the left in the expanded lineup, eventually below the SSL graphic.","membership":"Include this cabinet's top, side, front, and all enclosed panel details. Exclude the neighboring cabinets and SSL graphic.","id":"obj_016","temporal":{"status":"found","start_s":8.5,"end_s":11.5,"reference_s":10.5,"evidence":"目标是四台深蓝色等轴测服务器中从左数第三台，随后位于 SSL 图标下方。8.50 秒首次以完整柜体出现在展开的队列中，虽与邻柜部分重叠，但自身结构已建立；此前 8.25 秒仍只有单台服务器。最后合格帧为 11.25 秒，11.50 秒柜体开始随场景淡出。选择 10.50 秒作为关键帧，此时目标清晰、无遮挡，且与相邻柜体分离。","start_frame":204,"end_frame":276,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[679.2,684.3,770.3,926.9],"positive_points":[[724,723],[695,756],[691,867],[750,782],[748,834],[733,896]],"negative_points":[[562,804],[890,804],[688,573],[791,835]],"evidence":"目标是底部四台服务器中从左数第三台，位于SSL图标下方偏右。边界框紧贴该机柜的顶面、侧面和正面，包含全部面板细节。六个正点分布在这些表面及面板上；负点位于左右相邻机柜、SSL图标和右侧外部背景，均不属于目标。"}},{"name":"Rightmost server in four-server lineup","description":"Dark blue isometric cabinet at the far right of the expanded lineup, beneath the rightmost laptop users.","membership":"Include the complete cabinet and its panel divisions and colored lights. Exclude the other cabinets and the watermark behind its lower area.","id":"obj_017","temporal":{"status":"found","start_s":8.5,"end_s":11.5,"reference_s":10.5,"evidence":"目标是四台服务器队列最右侧、右侧笔记本用户下方的深蓝色立体机柜，包含面板分隔和彩色指示灯，不包含后方水印。首个合格帧为8.50秒，机柜结构完整，虽仍在横向展开但已符合条件；前一帧8.25秒仍是单机柜，尚无该四机队列目标。最后合格帧为11.25秒，11.50秒开始整体淡出。选择10.50秒为关键帧，此时机柜清晰，与其他机柜充分分离。","start_frame":204,"end_frame":276,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[843.2,684.3,934.4,926.9],"positive_points":[[889,723],[854,807],[865,875],[907,787],[916,844],[908,893]],"negative_points":[[728,804],[957,783],[816,872],[947,926]],"evidence":"目标是底部四台服务器中最右侧的深蓝色机柜。边界框紧贴完整柜体，包含顶面、侧面、面板分隔线和彩色指示灯，不包含下方水印。正点分布在柜体各面及前面板；负点位于左邻机柜、外围绿色背景和右下方水印上。"}},{"name":"SSL security graphic","description":"Blue padlock with a green shield marked “SSL” and a check mark, positioned beside the downward request arrow.","membership":"Include the padlock body, shackle, keyhole, and overlapping shield with its lettering and check mark. The shackle's enclosed opening belongs to the graphic's extent. Exclude the arrow and servers.","id":"obj_018","temporal":{"status":"found","start_s":10.0,"end_s":11.5,"reference_s":10.5,"evidence":"目标是向下请求箭头右侧的蓝色挂锁及重叠的绿色盾牌，盾牌带“SSL”文字和勾号。10.00秒首次完成淡入，11.25秒为最后合格帧；此前9.75秒仍在淡入，随后11.50秒开始随场景淡出。选择10.50秒作为关键帧，图形完整清晰，且未被箭头或服务器遮挡。","start_frame":240,"end_frame":276,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[654.2,473.1,724.5,622.2],"positive_points":[[680.7,478.7],[664.1,547.2],[666.7,599.1],[680.7,567.6],[703.1,568.5],[704.2,596.3]],"negative_points":[[624.5,550],[727.6,741.7],[750,535.2],[677.1,428.7]],"evidence":"目标是向下箭头右侧的蓝色挂锁及叠放的绿色SSL盾牌。边界框紧贴锁梁、锁身和盾牌的完整可见范围，包含锁梁围成的开口。正点分布在锁梁、锁身、钥匙孔、SSL字样及勾号上；负点位于左侧箭头、下方服务器和外围背景，排除这些非目标区域。"}},{"name":"Superhero lightbulb illustration","description":"Anthropomorphic blue lightbulb with a gray screw base, red legs, a flowing red cape, and an arm pointing upward to the right. It appears at the lower left during the transition into the proxy comparison.","membership":"Include the complete bulb, filament details, base, arms, hands, legs, and cape, following their actual outlines. Exclude the comparison cards, text, and icons behind it.","id":"obj_019","temporal":{"status":"found","start_s":13.5,"end_s":20.25,"reference_s":13.5,"evidence":"目标是左下方的拟人蓝色灯泡，带灰色螺口、红色披风和双腿，手臂指向右上方。首个符合条件的帧为13.50秒，前一帧13.25秒仍在淡入；最后符合条件的帧为20.00秒，下一帧20.25秒已开始淡出。选择13.50秒作为关键帧，此时完整轮廓清晰，且没有后方比较卡片的干扰。","start_frame":324,"end_frame":486,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[78.1,501.9,423.4,982.4],"positive_points":[[302,588],[173,816],[322,814],[387.5,699],[263,838],[342,921]],"negative_points":[[60,670],[465,760],[300,450],[856,929]],"evidence":"目标是左下方拟人化的蓝色灯泡英雄，带灰色螺口底座、红披风和双腿，右臂向右上方伸出。边界框覆盖完整灯泡、灯丝、底座、双臂手部、腿脚及披风。正点分布在灯泡、披风、底座、两臂和红腿上；负点位于外围绿色背景及右下角独立标志上。"}},{"name":"Forward proxy server graphic","description":"Dark blue isometric server above the left comparison card, with a blue right-pointing arrow outlined in white across its lower-right side.","membership":"Include the complete server and its attached right-pointing arrow, including their enclosed surfaces and internal details. Exclude the “Forward Proxy” label and backing card.","id":"obj_020","temporal":{"status":"found","start_s":18.5,"end_s":21.0,"reference_s":19.5,"evidence":"目标是左侧比较卡上方的深蓝色立体服务器及其附着的白边蓝色右箭头，不含文字和卡片。18.5秒为淡入完成后的首个合格帧，20.75秒为最后合格帧���前一帧18.25秒仍在淡入，后一帧21.0秒已开始淡出。选择19.5秒作为关键帧，服务器和箭头清晰完整，且无遮挡。","start_frame":444,"end_frame":504,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[109.4,151.9,239.6,421.3],"positive_points":[[159.4,201.9],[132.3,307.4],[192.2,277.8],[169.3,387],[199,347.2],[227.6,347.2]],"negative_points":[[90,231],[255,421],[153,502],[495,279]],"evidence":"目标是左侧“Forward Proxy”上方的深蓝色立体服务器及其白边蓝色右箭头。边框紧贴服务器与箭头的完整可见范围；六个正点覆盖顶面、侧面、正面、底部及箭头，负点位于外围背景、 backing card、下方文字和右侧另一台服务器上。"}},{"name":"Forward Proxy label","description":"Black text reading “Forward Proxy” on the left comparison card, with “Forward” in heavier type.","membership":"Include the complete text block only. Exclude the server graphic, pale backing card, superhero illustration, and nearby comparison badge.","id":"obj_021","temporal":{"status":"found","start_s":18.5,"end_s":21.0,"reference_s":19.5,"evidence":"目标是左侧比较卡上的完整黑色“Forward Proxy”文字，其中“Forward”加粗，不含服务器或卡片。18.5秒为首次完成淡入的采样帧，18.25秒文字仍处于淡入阶段；20.75秒为最后合格帧，21.0秒开始随画面淡出。选择19.5秒作为关键帧，文字清晰完整，便于独立标注。","start_frame":444,"end_frame":504,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[69.8,478.7,274.0,531.5],"positive_points":[[74.0,500.0],[94.3,514.8],[182.8,500.0],[202.6,502.8],[228.1,503.7],[267.7,510.2]],"negative_points":[[78.1,574.1],[158.3,277.8],[302.1,615.7],[343.2,475.9]],"evidence":"目标是左侧比较卡片上的黑色“Forward Proxy”文字，其中“Forward”为粗体。边界框仅覆盖完整文字及字母间距；六个正点分布在两个单词的字形笔画上，四个负点分别位于下方浅色卡片、上方服务器、灯泡超级英雄和旁边的比较徽章上。"}},{"name":"Reverse proxy server graphic","description":"Dark blue isometric server above the middle comparison card, with a pale blue left-pointing arrow outlined in white crossing its right side.","membership":"Include the complete cabinet, internal server details, and left-pointing arrow. Exclude the “Reverse Proxy” label and backing card.","id":"obj_022","temporal":{"status":"found","start_s":19.5,"end_s":21.0,"reference_s":20.5,"evidence":"目标是中间比较卡上方的深蓝色立体服务器及其右侧白边浅蓝色左箭头，不含文字和底卡。19.5秒首次完成淡入，20.75秒为最后合格帧；此前19.25秒仍呈淡入半透明状态，此后21.0秒开始整体淡出。选择20.5秒作为关键帧，柜体、内部细节和箭头清晰完整，无遮挡。","start_frame":468,"end_frame":504,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[459.9,151.9,589.1,421.3],"positive_points":[[509.4,199.1],[469.8,291.7],[490.6,327.8],[533.3,350.9],[546.9,261.1],[575.5,260.2]],"negative_points":[[164.1,213.0],[614.6,199.1],[494.8,505.6],[606.8,605.6]],"evidence":"目标是中间比较卡片上方的深蓝色服务器及其右侧向左箭头。边界框紧贴完整机柜、内部细节和白边浅蓝箭头；六个正点分布于机柜顶部、侧面、正面细节及箭头。负点位于左侧另一台服务器、外部绿色背景、“Reverse Proxy”标签和下方卡片背景，均不属于目标。"}},{"name":"Reverse Proxy label","description":"Black text reading “Reverse Proxy” on the middle comparison card, with “Reverse” in heavier type.","membership":"Include the entire text block. Exclude the server graphic, pale backing panel, and comparison badges.","id":"obj_023","temporal":{"status":"found","start_s":19.5,"end_s":21.0,"reference_s":20.5,"evidence":"目标是中间比较卡上的整块黑色“Reverse Proxy”文字，其中“Reverse”加粗，不含服务器图标和VS徽章。19.50秒首次完成淡入，最后合格帧为20.75秒；此前19.25秒文字仍在淡入，之后21.00秒已开始淡出。选择20.50秒作为关键帧，文字清晰完整且无遮挡。","start_frame":468,"end_frame":504,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[409.4,479.6,609.4,531.5],"positive_points":[[412.5,500.9],[445.3,498.1],[492.7,495.4],[509.4,515.7],[537.5,499.1],[585.4,506.5]],"negative_points":[[513,577.8],[505.2,339.8],[671.9,494.4],[225.5,500]],"evidence":"目标是中间比较卡片上的黑色“Reverse Proxy”，其中“Reverse”为粗体。边界框紧贴整段文字，包含字符间距。六个正点分布于两个单词的字形笔画上；负点位于下方浅色面板、上方服务器图形、右侧比较徽章及左侧另一标签，均排除在目标之外。"}},{"name":"Forward-versus-reverse badge","description":"Orange rounded-square badge with white “VS” between the “Forward Proxy” and “Reverse Proxy” labels.","membership":"Include the orange tile, its boundary, and enclosed white letters. Exclude adjacent labels and the overlapping superhero illustration.","id":"obj_024","temporal":{"status":"found","start_s":19.5,"end_s":21.0,"reference_s":20.75,"evidence":"目标是“Forward Proxy”和“Reverse Proxy”之间的橙色圆角方形白字“VS”徽章，不含旁边标签或超级英雄。19.5秒首次完成淡入，20.75秒为最后合格帧；此前19.25秒仍呈淡入状态，此后21.0秒徽章开始随画面淡出。选择20.75秒作为关键帧，因为徽章清晰，重叠的超级英雄已明显淡去，便于区分边界。","start_frame":468,"end_frame":504,"reference_frame":498},"grounding":{"status":"found","bbox_xyxy":[311.5,444.4,370.8,550.9],"positive_points":[[315.1,460.2],[338.5,453.7],[363.5,457.4],[327.6,490.7],[354.7,500],[366.7,530.6]],"negative_points":[[301,610.2],[242.7,507.4],[433.3,505.6],[341.1,423.1]],"evidence":"目标是“Forward Proxy”和“Reverse Proxy”之间的左侧橙色“VS”徽章。边界框紧贴圆角方块的可见外缘；正点分布在未被插画遮挡的橙色区域及白色字母上，负点位于相邻标签、上方背景和重叠的超级英雄插画上。"}},{"name":"Load balancer graphic","description":"Outlined networking symbol above the right comparison card: two stacked server units, a pink gear, and branching downward arrows leading to four endpoint symbols.","membership":"Include both server units, the gear, branching arrows, and all four endpoint symbols as one coherent diagram. Include areas enclosed by its closed shapes; leave its open connector lines open. Exclude the label and pale backing card.","id":"obj_025","temporal":{"status":"found","start_s":20.5,"end_s":21.0,"reference_s":20.5,"evidence":"目标是右侧比较卡上方由两层服务器、粉色齿轮及分支箭头连接四个端点组成的图标，不含文字和背景卡。20.50秒首次完成淡入，20.75秒仍完整清晰；前一帧20.25秒仍在淡入，后一帧21.00秒已开始整体淡出。选择20.50秒作为关键帧，图标结构清楚且无遮挡。","start_frame":492,"end_frame":504,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[770,170,877,418],"positive_points":[[820,195],[791,260],[824,298],[780,400],[835,400],[868,400]],"negative_points":[[747,265],[898,301],[824,483],[821,132]],"evidence":"目标是右侧“Load Balancer”标题上方的网络图。边界框紧密覆盖两层服务器、粉色齿轮、向下分支箭头及四个端点。正点分布于服务器、齿轮和下方端点的封闭区域；负点位于图外背景及下方标题上，不包含浅色卡片或标签。"}},{"name":"Load Balancer label","description":"Black text reading “Load Balancer” on the right comparison card.","membership":"Include the complete text block only. Exclude the networking graphic, backing card, and adjacent “VS” badge.","id":"obj_026","temporal":{"status":"found","start_s":20.5,"end_s":21.0,"reference_s":20.5,"evidence":"目标是右侧比较卡上的完整黑色“Load Balancer”文字，不包括上方网络图形、卡片和VS徽章。首个符合条件的采样帧为20.50秒，最后为20.75秒；20.25秒文字仍处于淡入阶段，21.00秒开始随比较画面淡出。选择20.50秒作为关键帧，文字完整清晰且无遮挡。","start_frame":492,"end_frame":504,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[733.3,478.7,931.3,522.2],"positive_points":[[737,499],[759,493.5],[796,501],[813,501],[848.4,502.8],[910.4,494.4]],"negative_points":[[825,298],[672,498],[828,583],[958,500]],"evidence":"目标是右侧比较卡片上的黑色“Load Balancer”文字。边界框紧贴完整文字块，六个正点分布在不同字母的笔画上；负点位于上方网络图示、左侧VS徽章以及文字下方和右侧的卡片空白处，均不包含在目标中。"}},{"name":"Reverse-versus-load-balancer badge","description":"Orange rounded-square badge with white “VS” between the “Reverse Proxy” and “Load Balancer” labels.","membership":"Include the tile's orange surface, rounded boundary, and white letters. Exclude the adjacent labels and backing panels.","id":"obj_027","temporal":{"status":"found","start_s":20.5,"end_s":21.0,"reference_s":20.5,"evidence":"目标是“Reverse Proxy”和“Load Balancer”之间的橙色圆角方形白字“VS”徽章，不包括左侧另一枚徽章。20.50秒首次完成淡入，20.75秒为最后合格帧；此前20.25秒仍在淡入，此后21.00秒随场景开始淡出。选择20.50秒作为关键帧，徽章完整清晰且无遮挡。","start_frame":492,"end_frame":504,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[641.67,444.44,702.08,550.93],"positive_points":[[647.4,455.6],[695.3,457.4],[657.8,507.4],[684.9,497.2],[650.5,535.2],[693.8,537.0]],"negative_points":[[595.8,504.6],[737.0,500.9],[671.9,410.2],[672.4,586.1]],"evidence":"目标是“Reverse Proxy”和“Load Balancer”之间的橙色白字“VS”徽章。边界框紧贴橙色圆角方块，包含其表面、边界和白色字母。六个正点分布于橙色表面及字母上；四个负点位于左右相邻标签及徽章上下的外部背景，不包含在目标内。"}}]}
+{"video_id":223,"video_type":"data and scientific visualization","targets":[{"name":"Forward proxy title","description":"Large bold heading, “What is a Forward Proxy”, centered across the top throughout the presentation.","membership":"Includes only the heading’s lettering; excludes the green background and all diagrams below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":0,"evidence":"目标是画面顶部居中的粗体标题“What is a Forward Proxy”，仅包含标题文字。它在首帧0.00秒已完整呈现，并持续清晰可见至最后一帧29.75秒，因此区间为[0,30)。区间到达视频两端，没有更早或更晚的采样帧。选择0.00秒作为关键帧，标题完整、清晰且无遮挡，易与下方图示区分。","start_frame":0,"end_frame":720,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[278.1,52.8,720.8,119.4],"positive_points":[[286.5,77.8],[390.6,86.1],[438.5,92.6],[459.4,74.1],[622.9,77.8],[711.5,101.9]],"negative_points":[[249,83],[749,87],[505,25],[496,154]],"evidence":"目标为图像顶部居中的粗体标题“What is a Forward Proxy”。边界框紧密覆盖整行标题的全部字母；六个正点分布在标题不同位置的字母笔画上，四个负点位于标题四周的绿色背景，均避开文字和下方示意图。"}},{"name":"Company network panel","description":"Green rectangular panel on the left containing nine laptop illustrations in a three-by-three grid and the label “Company Internet Network”. It later widens to encompass the proxy server.","membership":"Includes the panel surface, its boundary, laptop contents, label, and the proxy and connectors where they fall within the panel. Excludes portions of overlapping foreground illustrations outside the panel.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":8.25,"reference_s":5,"evidence":"目标是左侧绿色矩形公司网络面板，内有三行三列笔记本和“Company Internet Network”标签，随后向右扩展以包含代理服务器。首个合格帧为0.00秒，面板已完整建立，前面没有采样帧；最后合格帧为8.00秒，紧邻的8.25秒帧中面板及其内容开始淡出。选择5.00秒作为关键帧，此时扩展后的面板边界、九台笔记本、标签及内部代理服务器均清晰可见，无遮挡。","start_frame":0,"end_frame":198,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[25,173.1,607.3,771.3],"positive_points":[[80,210],[211,291],[322,616],[225,730],[459,672],[561,437]],"negative_points":[[315,133],[315,814],[654,465],[759,457]],"evidence":"目标是左侧绿色矩形公司网络面板，包含九台笔记本、“Company Internet Network”标签及面板内的代理服务器和连接箭头。边界框紧贴面板四边，不包含伸出右边界的前景部分。正点分布于面板表面、笔记本、标签和代理服务器；负点位于面板上下外部背景及右侧面板外的箭头和互联网图标。"}},{"name":"Administrator and server-rack illustration","description":"Initial lower-left illustration of a bearded person in glasses and a red sweater working at a laptop beside a tall server rack with green indicators and connecting cables.","membership":"Includes the person, workstation, laptop, small server units, tall rack, and their connecting cables as one complete illustration. Excludes the network panel and its laptop grid behind it.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0,"evidence":"目标是左下角红毛衣、戴眼镜的胡须管理员及其工作台、笔记本、小型服务器、线缆和高服务器机架，不包括后方网络面板。首个合格帧为0秒，最后合格帧为1.00秒；1.25秒开始出现淡出透明效果，之后继续消失。目标在视频开头已完整呈现，没有更早的相邻帧。选择0秒作为关键帧，整组插图清晰完整，便于区分前景目标与背景笔记本网格。","start_frame":0,"end_frame":30,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[72.4,459.3,346.9,979.6],"positive_points":[[111,575],[94,671],[176,674],[155,785],[270,495],[272,932]],"negative_points":[[106,288],[322,440],[372,676],[494,353]],"evidence":"目标是左下方戴眼镜的红衣管理员及其服务器设备。边界框覆盖人物、工作台与笔记本、小型服务器、高机柜、连接线和底部阴影。正点分布于人物、笔记本及大小服务器；负点位于后方网络面板的笔记本、面板背景和右侧盾牌，排除这些独立对象。"}},{"name":"Shield protection illustration","description":"Initial central illustration of a woman holding a white shield with a blue cross against small red bug symbols approaching from the right.","membership":"Includes the woman, her clothing, the complete shield and enclosed cross, and the accompanying red bug symbols. Excludes the adjacent network panel, traffic arrow, and web globe.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":1,"evidence":"目标为中央持白色蓝十字盾牌的女子及其右侧红色虫子符号，不含网络面板、箭头和地球。首个合格帧为0.00秒，末个为2.00秒；2.25秒时女子、盾牌和虫子已开始淡出，因此不纳入。目标在视频起点已完整呈现，无更早采样帧。选择1.00秒作为关键帧，各组成部分完整清晰且无遮挡。","start_frame":0,"end_frame":54,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[393.2,229.6,607.3,678.7],"positive_points":[[443.2,260.2],[437.0,410.0],[480.0,586.0],[495.0,351.0],[575.5,268.5],[589.1,435.2]],"negative_points":[[364.6,373.1],[651.0,500.9],[806.8,495.4],[550.0,605.6]],"evidence":"目标是画面中央持白色蓝十字盾牌的女性及其右侧红色虫子。边界框覆盖人物、完整盾牌和所有伴随虫子；正点分布于头发、衣服、裤腿、盾牌十字及虫子，负点位于左侧网络面板、交通箭头、网页地球和下方外部背景。"}},{"name":"Incoming web arrow","description":"White horizontal arrow initially pointing left from the web globe toward the shield illustration.","membership":"Includes the arrow’s outlined shape and enclosed white area; excludes the globe, shield, and subsequent right-pointing connectors.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":2.5,"reference_s":1,"evidence":"目标是 WWW 地球左侧、指向盾牌人物的白色黑边水平左箭头，不包括后来向右的连接箭头。首个合格帧为 0.00 秒，最后为 2.25 秒；2.50 秒该左箭头已开始淡出。视频起点前没有采样帧。选择 1.00 秒作为关键帧，此时箭头完整清晰、无遮挡，且容易与其他图形区分。","start_frame":0,"end_frame":60,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[571.4,480.6,720.3,519.4],"positive_points":[[580,500],[583,494],[599,501],[637,501],[683,502],[713,502]],"negative_points":[[805,494],[493,395],[647,455],[645,553]],"evidence":"目标是网页地球与盾牌之间朝左的白色水平箭头。边界框紧贴箭头尖端、轮廓及右端，包含白色内部；六个正点分布在箭头头部和横杆上，四个负点分别位于地球、盾牌及箭头上下方的外部背景。"}},{"name":"World Wide Web globe","description":"Turquoise globe with black grid lines and a yellow “WWW” plaque on the right. It shrinks and shifts left as external resource servers appear.","membership":"Includes the complete circular globe, grid lines, and enclosed yellow plaque and lettering. Excludes nearby arrows, servers, and resource caption.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":8.25,"reference_s":1,"evidence":"目标为右侧带黑色经纬网格和黄色“WWW”铭牌的青绿色圆形地球，随后缩小并左移。首个合格帧为0秒，最后合格帧为8秒；8.25秒开始淡出，因此不纳入。视频起点之前没有采样帧。选择1秒作为关键帧，此时地球较大、轮廓完整且无遮挡，易与附近箭头和其他对象区分。","start_frame":0,"end_frame":198,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[751.0,396.3,860.9,591.7],"positive_points":[[804.2,417.6],[769.8,451.9],[781.3,498.1],[820.3,492.6],[804.2,565.7],[845.3,538.0]],"negative_points":[[659.4,501.9],[887.5,490.7],[804.7,346.3],[804.7,634.3]],"evidence":"目标是图像右侧带黄色“WWW”铭牌的青绿色地球。边界框紧贴完整圆形地球，包含黑色经纬线、铭牌及文字。六个正点分布于球体上下及两侧和铭牌内容上；负点位于左侧箭头及球体上、下、右侧的外部背景，均不包含在目标中。"}},{"name":"Forward proxy server","description":"Dark blue three-dimensional server tower with colored indicator lights and a blue right-pointing arrow over its lower front. Initially appears between the company laptops and web globe, then enlarges and moves between the internal-network and web labels.","membership":"Includes the tower’s visible faces, indicators, front details, and attached blue arrow with its white border. Excludes the separate “Proxy” label, white traffic connectors, and surrounding colored panels.","id":"obj_007","temporal":{"status":"found","start_s":3.25,"end_s":30.0,"reference_s":11.0,"evidence":"目标是带彩色指示灯、深蓝色立体机身及白边蓝色右箭头的代理服务器，不含独立的“Proxy”文字和白色连接箭头。3.0秒仍处于淡入，3.25秒首次完整显现；之后持续存在，放大并移动到“Internal Network”和“World Wide Web”之间。最后合格帧为29.75秒，区间延至视频末尾30.0秒，无后续帧。选择11.0秒作为关键帧，机身较大、细节清晰且无遮挡。","start_frame":78,"end_frame":720,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[278.6,207.4,416.1,491.7],"positive_points":[[328.6,252.8],[300,402.8],[359.9,293.5],[343.8,385.2],[343.2,460.2],[392.2,413]],"negative_points":[[260.4,423.1],[419.8,265.7],[406.3,484.3],[330.2,524.1]],"evidence":"目标是位于“Internal Network”和“World Wide Web”之间的深蓝色立体服务器。边界框覆盖塔身可见各面、指示灯、前面板细节，以及带白边的蓝色右箭头。正点分布于塔顶、侧面、前面板、指示灯和箭头；负点位于塔身两侧及下方的背景或独立色块上。"}},{"name":"Proxy label","description":"The word “Proxy” directly beneath the server in the network-routing diagram.","membership":"Includes only the label lettering; excludes the server graphic and panel background.","id":"obj_008","temporal":{"status":"found","start_s":3.25,"end_s":8.25,"reference_s":5.0,"evidence":"目标是网络路由图中服务器正下方的“Proxy”文字，不包括服务器。3.25秒为淡入完成后的首个合格帧，8.00秒为最后合格帧；此前3.00秒文字仍在淡入，此后8.25秒文字开始淡出。选择5.00秒作为关键帧，文字清晰完整、无遮挡，易与周围图形区分。","start_frame":78,"end_frame":198,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[541.1,571.3,586.5,602.8],"positive_points":[[542.7,590.7],[545.3,574.1],[552.1,584.3],[558.9,586.1],[571.4,587.0],[581.3,595.4]],"negative_points":[[562.5,625.9],[520.8,586.1],[599.0,585.2],[557.3,463.0]],"evidence":"目标是网络图中服务器正下方的“Proxy”标签。边界框紧贴完整单词，包含字母 y 的下伸部分；六个正点分布在字母笔画上，负点位于文字外围背景及上方服务器图形上。"}},{"name":"Company-to-proxy arrow","description":"White right-pointing horizontal connector between the company laptop grid and the proxy server.","membership":"Includes the outlined arrow and its enclosed white fill. Excludes the laptop panel and server.","id":"obj_009","temporal":{"status":"found","start_s":3.0,"end_s":8.25,"reference_s":5.0,"evidence":"目标是公司笔记本网格右侧、指向代理服务器的白色描边水平箭头。3.00秒首次完整清晰呈现，2.75秒仍在淡入；最后合格帧为8.00秒，8.25秒开始随原图淡出。选择5.00秒作关键帧，箭头轮廓与白色填充清楚，无遮挡，且与右侧其他箭头容易区分。","start_frame":72,"end_frame":198,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[397.9,446.3,500,484.3],"positive_points":[[405.7,464.8],[426.6,464.8],[446.9,464.8],[469.8,464.8],[488.5,456.5],[492.2,466.7]],"negative_points":[[447.9,425.9],[447.9,509.3],[323.4,453.7],[559.9,444.4]],"evidence":"目标是笔记本电脑网格与代理服务器之间的白色水平右箭头。边界框紧贴箭头轮廓，包含白色填充；六个正点分布在箭杆和箭头尖部，四个负点位于箭头上下的绿色背景、左侧笔记本及右侧服务器上。"}},{"name":"Proxy-to-web arrow","description":"White right-pointing horizontal connector from the proxy server toward the “WWW” globe.","membership":"Includes the complete outlined arrow and enclosed fill; excludes both endpoint graphics and the server’s attached blue arrow.","id":"obj_010","temporal":{"status":"found","start_s":3.25,"end_s":8.25,"reference_s":5.0,"evidence":"目标是 Proxy 服务器右侧、指向 WWW 球体的白色描边水平箭头，不包括服务器附带的蓝色箭头。首个完全显现的采样帧为 3.25 秒，3.00 秒仍在淡入；最后合格帧为 8.00 秒，8.25 秒开始淡出。选择 5.00 秒作为关键帧，此时箭头完整清晰、无遮挡，且两端图形易于区分。","start_frame":78,"end_frame":198,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[617.7,446.3,697.9,484.3],"positive_points":[[623.4,464.8],[637.5,464.8],[651.6,464.8],[667.2,464.8],[683.9,460.2],[687.5,469.4]],"negative_points":[[599,497.2],[758.3,457.4],[651,427.8],[658.9,500.9]],"evidence":"目标是代理服务器与“WWW”地球之间的白色水平右箭头。边界框紧贴完整箭头的轮廓与内部填充；六个正点分布在箭杆和箭头尖部，四个负点位于服务器附带的蓝箭头、WWW图形及白箭头上下的外部背景。"}},{"name":"Upper internet resource server","description":"Uppermost of three dark server-stack icons arranged vertically at the far right of the routing diagram.","membership":"Includes the complete stack silhouette, visible faces, slots, and colored indicators. Excludes its incoming diagonal arrow and the other server icons.","id":"obj_011","temporal":{"status":"found","start_s":4.25,"end_s":8.25,"reference_s":5.0,"evidence":"目标是路由图最右侧竖排三枚服务器图标中最上方的一枚，不包含斜向箭头。4.25秒首次完成淡入，完整堆叠轮廓、侧面及指示灯清晰可见；此前4.0秒仍处于淡入。最后合格帧为8.0秒，紧邻的8.25秒已开始淡出。选择5.0秒作为关键帧，此时目标完整清晰、无遮挡，且与另外两枚服务器容易区分。","start_frame":102,"end_frame":198,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[911.5,201.9,967.7,347.2],"positive_points":[[940.6,225.9],[921.9,252.8],[960.4,257.4],[920.3,305.6],[940.6,327.8],[959.9,305.6]],"negative_points":[[855.2,357.4],[939.6,443.5],[938.5,620.4],[978.6,286.1]],"evidence":"目标是图像最右侧三个服务器图标中最上方的一台。边界框紧贴其完整堆叠轮廓，覆盖顶面、侧面、插槽和彩色指示灯，不包含左下方的斜向箭头。正点分布于服务器各可见面；负点位于来向箭头、另外两台服务器及右侧外部背景。"}},{"name":"Middle internet resource server","description":"Middle dark server-stack icon at the far right, horizontally aligned with the web globe.","membership":"Includes the complete server stack and its internal details; excludes the horizontal incoming arrow and the upper and lower servers.","id":"obj_012","temporal":{"status":"found","start_s":4.25,"end_s":8.25,"reference_s":5.0,"evidence":"目标是画面最右侧三个服务器中的中间一个，与 WWW 地球水平对齐；不包括左侧箭头和上下两个服务器。首个合格帧为 4.25 秒，末个合格帧为 8.00 秒。此前的 4.00 秒仍在淡入，之后的 8.25 秒开始淡出。选择 5.00 秒作为关键帧，服务器结构及内部细节清晰完整，无遮挡，便于与相邻服务器区分。","start_frame":102,"end_frame":198,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[912.5,386.1,969.3,530.6],"positive_points":[[941.7,407.4],[921.9,440.7],[927.1,477.8],[940.1,511.1],[959.9,441.7],[960.4,489.8]],"negative_points":[[859.4,453.7],[937.5,273.1],[937.5,620.4],[983.3,462.0]],"evidence":"目标是最右侧与 WWW 地球水平对齐的中间服务器。边界框紧贴完整服务器堆栈，包含顶面、侧面及指示灯等内部细节；六个正点分布在这些部位，四个负点分别位于左侧传入箭头、上方服务器、下方服务器和右侧背景，均排除在目标之外。"}},{"name":"Lower internet resource server","description":"Lowest dark server-stack icon at the far right of the routing diagram.","membership":"Includes the complete server stack, visible faces, and indicators; excludes its diagonal incoming arrow and the resource caption.","id":"obj_013","temporal":{"status":"found","start_s":4.25,"end_s":8.25,"reference_s":5.0,"evidence":"目标是路由图最右侧三台服务器中最下方的深色服务器堆栈，不包括斜向箭头和资源说明文字。首个符合条件的帧为4.25秒，4.00秒仍在淡入；最后符合条件的帧为8.00秒，8.25秒开始淡出。选择5.00秒作为关键帧，服务器各可见面及指示灯清晰完整，无遮挡，易于与上方两台区分。","start_frame":102,"end_frame":198,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[910.9,554.6,967.2,700],"positive_points":[[940.1,579.6],[921.9,605.6],[928.1,632.4],[925.5,663],[957.8,611.1],[950,674.1]],"negative_points":[[864.6,567.6],[830.7,687],[942.7,463],[979.2,629.6]],"evidence":"目标是图中最右侧最下方的深色服务器堆栈。边界框紧贴完整图标，覆盖顶面、两侧机身及指示灯，不含左侧斜向箭头和资源说明文字。六个正点分布在服务器各可见面；四个负点分别位于斜箭头、资源说明、中间服务器及右侧背景。"}},{"name":"Upper resource connector","description":"White diagonal arrow pointing upward and right from the web globe toward the upper resource server.","membership":"Includes the arrow boundary and enclosed fill only; excludes the globe and destination server.","id":"obj_014","temporal":{"status":"found","start_s":4.25,"end_s":8.25,"reference_s":5.0,"evidence":"目标是从 WWW 地球指向右上方资源服务器的白色斜向箭头，仅包含箭头轮廓和填充。4.25 秒首次完成淡入，8.00 秒为最后合格帧；此前的 4.00 秒箭头仍在淡入，之后的 8.25 秒开始淡出。选择 5.00 秒为关键帧，箭头完整清晰、无遮挡，与其他连接箭头易于区分。","start_frame":102,"end_frame":198,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[813.5,311.1,891.7,402.8],"positive_points":[[819.3,391.7],[831.3,378.7],[844.8,363.9],[858.3,349.1],[871.9,334.3],[883.9,322.2]],"negative_points":[[760.4,419.4],[940.1,268.5],[833.3,324.1],[864.6,405.6]],"evidence":"目标是从网页地球右上方指向顶部资源服务器的白色斜向箭头。边界框紧贴箭头轮廓及其填充；六个正点分布在箭杆和箭头尖端内部，四个负点位于地球、顶部服务器及箭头外侧背景，均不包含目标内容。"}},{"name":"Middle resource connector","description":"White horizontal arrow pointing right from the globe toward the middle resource server.","membership":"Includes the complete arrow shape and fill; excludes the endpoint graphics.","id":"obj_015","temporal":{"status":"found","start_s":4.25,"end_s":8.25,"reference_s":5.0,"evidence":"目标是 WWW 地球右侧、指向中间资源服务器的白色水平右箭头，不含两端图形。首个合格帧为 4.25 秒，最后合格帧为 8.00 秒；此前 4.00 秒箭头仍在淡入，此后 8.25 秒开始淡出。选择 5.00 秒作为关键帧，箭头完整清晰、无遮挡，且与上下两条斜箭头容易区分。","start_frame":102,"end_frame":198,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[822.4,435.2,896.4,474.1],"positive_points":[[827.1,454.6],[839.1,454.6],[855.7,454.6],[872.4,454.6],[884.4,447.2],[887.5,457.4]],"negative_points":[[781.3,453.7],[927.1,449.1],[854.2,420.4],[854.2,488.9]],"evidence":"目标是地球与右侧中间服务器之间的白色水平右箭头。边界框紧贴箭身和箭头尖端，包含填充及轮廓，不含端点图形。六个正点分布在箭身与箭头内；四个负点位于地球、服务器及箭头上下的外部背景。"}},{"name":"Lower resource connector","description":"White diagonal arrow pointing downward and right from the globe toward the lower resource server.","membership":"Includes the arrow’s outline and enclosed fill; excludes the globe, server, and nearby caption.","id":"obj_016","temporal":{"status":"found","start_s":4.25,"end_s":8.25,"reference_s":5.0,"evidence":"目标是从 WWW 地球仪斜向右下方、指向最下方资源服务器的白色箭头，仅包含箭头轮廓和填充。首个符合条件的帧为 4.25 秒，前一帧 4.00 秒仍处于淡入过程；最后符合条件的帧为 8.00 秒，后一帧 8.25 秒箭头开始淡出。选择 5.00 秒作为关键帧，此时箭头完整清晰、无遮挡，易与其他连接箭头区分。","start_frame":102,"end_frame":198,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[805.7,515.7,893.8,605.6],"positive_points":[[811.5,527.8],[824.0,538.9],[840.1,553.7],[857.3,569.4],[873.4,584.3],[885.4,594.4]],"negative_points":[[787.0,506.0],[937.0,610.0],[817.7,655.6],[864.6,513.9]],"evidence":"目标是从地球右下方斜向右下服务器的白色箭头。边界框紧贴箭杆和箭头尖端，包含轮廓及内部填充。六个正点分布在箭杆至箭头端部；负点位于地球、下方服务器、附近说明文字及箭头外的绿色背景。"}},{"name":"Internet resources caption","description":"Two-line caption “Resources on the Internet” beneath the globe and branching resource connections.","membership":"Includes the complete text block only; excludes arrows, servers, and background.","id":"obj_017","temporal":{"status":"found","start_s":4.25,"end_s":8.25,"reference_s":5.0,"evidence":"目标是地球及分支连接下方的两行文字“Resources on the Internet”，不含箭头或服务器。4.25秒首次完整且清晰呈现，8.00秒为最后合格帧；此前4.00秒文字仍在淡入，此后8.25秒开始淡出。选择5.00秒作为关键帧，文字清楚、无遮挡，便于独立标注整个文本块。","start_frame":102,"end_frame":198,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[741.1,638,886,705.6],"positive_points":[[743,650.9],[843.8,655.6],[870.3,648.1],[780.7,691.7],[786,689.8],[842.2,693.5]],"negative_points":[[726.6,663],[895.8,703.7],[802.1,742.6],[850,555.6]],"evidence":"目标是地球和分支箭头下方的两行文字“Resources on the Internet”。边界框紧贴完整文字块；六个正点分布在两行字形笔画上，负点位于文字外围背景及上方箭头，排除箭头、服务器和背景。"}},{"name":"Company network guard statement","description":"White text reading “Guard of your company internal network” on a bright green rounded backing. It begins above the proxy and later moves beneath the enlarged proxy diagram.","membership":"Includes the entire text block, including the bold word “Guard”. Excludes its green backing, shadow, and adjacent server graphic.","id":"obj_018","temporal":{"status":"found","start_s":6.75,"end_s":30.0,"reference_s":11.0,"evidence":"目标为绿色圆角底板上的白色文字“Guard of your company internal network”，仅计文字，不含底板、阴影或服务器。6.50秒仍处于淡入，6.75秒文字完全呈现；随后从代理上方移动到放大图下方，持续至最后一帧29.75秒。区间到达视频末尾，无后续采样帧。选择11.00秒为关键帧，文字清晰完整、无遮挡，与服务器分离。","start_frame":162,"end_frame":720,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[139.1,636.1,358.3,707.4],"positive_points":[[141.1,650],[194.8,650],[279.7,650.9],[173.4,695.4],[252.6,697.2],[322.4,694.4]],"negative_points":[[130.7,668.5],[364.1,691.7],[250,750.9],[324.5,340.7]],"evidence":"目标是图中左下方亮绿色圆角底板上的两行白字“Guard of your company internal network”。边界框仅覆盖完整文字块，包含加粗的“Guard”，不含底板与阴影。六个正点分布在两行文字的笔画上；负点位于文字外的绿色底板、下方背景及相邻服务器图形上。"}},{"name":"Internal Network label","description":"Bold green two-line text “Internal Network” to the left of the enlarged proxy server in the later diagram.","membership":"Includes only the two lines of lettering; excludes the pale green rectangular backing and server.","id":"obj_019","temporal":{"status":"found","start_s":10.0,"end_s":30.0,"reference_s":11.0,"evidence":"目标是放大代理服务器左侧的绿色粗体两行文字“Internal Network”，不包括浅绿色底板。9.75秒文字仍在淡入，10.00秒已完整清晰呈现；此后持续可见，最后合格帧为29.75秒。区间到达视频末尾，之后无采样帧。选择11.00秒作为关键帧，文字清晰、无遮挡，且与服务器和底板易于区分。","start_frame":240,"end_frame":720,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[156.3,293.5,255.7,386.1],"positive_points":[[164.6,306.5],[199.0,322.2],[247.4,311.1],[160.9,368.5],[193.2,370.4],[250.0,379.6]],"negative_points":[[134.9,314.8],[208.3,435.2],[304.2,336.1],[209.9,257.4]],"evidence":"目标是代理服务器左侧的绿色粗体两行文字“Internal Network”。边界框紧贴两行完整文字；六个正点分布在两行字母笔画上，四个负点位于文字外围的浅绿色底板及右侧服务器上，不包含行间或字母内部空隙。"}},{"name":"World Wide Web label","description":"Bold blue two-line text “World Wide Web” to the right of the enlarged proxy server.","membership":"Includes the complete text block only; excludes the cyan backing rectangle and server graphic.","id":"obj_020","temporal":{"status":"found","start_s":10.0,"end_s":30.0,"reference_s":12.0,"evidence":"目标是放大代理服务器右侧的蓝色粗体两行“World Wide Web”文字，不包括青色底板。9.75秒文字仍在淡入，10.0秒首次完整清晰呈现，此后持续至最后采样帧29.75秒，因此区间结束于30.0秒；视频结束后无相邻帧。选择12.0秒作为关键帧，文字清晰、无遮挡，易于单独标注。","start_frame":240,"end_frame":720,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[432.8,293.5,544.3,385.2],"positive_points":[[456.8,301.9],[503.6,311.1],[518.2,314.8],[437.5,363.9],[470.3,378.7],[537.0,379.6]],"negative_points":[[552.1,323.1],[326.0,325.9],[474.0,425.9],[210.9,369.4]],"evidence":"目标是代理服务器右侧的蓝色两行文字“World Wide Web”。边界框紧贴完整文字块，不包含青色底板或服务器。六个正点分布在两行文字的实际笔画上；负点位于文字外的青色底板、服务器及左侧标签上。"}},{"name":"Left blocked website window","description":"Leftmost browser-style icon in the access-control illustration, with a gray header and a large pink circle containing a white X.","membership":"Includes the window’s outer frame, header, enclosed surface, and X symbol. Excludes surrounding website windows.","id":"obj_021","temporal":{"status":"found","start_s":10.5,"end_s":17.0,"reference_s":12.0,"evidence":"目标是访问控制示意图中最左侧的浏览器窗口，灰色标题栏内下方有粉色圆圈和白色 X，不包括右侧其他网页。首个完整呈现帧为 10.50 秒，10.25 秒仍在淡入；最后合格帧为 16.75 秒，17.00 秒开始淡出。选择 12.00 秒作为关键帧，因为窗口结构及 X 符号清晰、无遮挡，且与周围窗口容易区分。","start_frame":252,"end_frame":408,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[620.8,257.4,702.1,370.4],"positive_points":[[626.0,268.5],[693.8,267.6],[629.2,346.3],[660.9,320.4],[675.0,337.0],[694.3,353.7]],"negative_points":[[602.1,313.9],[732.8,250.0],[663.0,399.1],[853.6,344.4]],"evidence":"目标是访问控制示意图中最左侧带灰色标题栏、粉色圆圈和白色X的浏览器窗口。边界框紧贴其完整外框，包含标题栏、内部底面及禁用符号。六个正点分布在标题栏、窗口底面及圆圈和X上；负点位于外围背景、右侧普通网页和另一禁用窗口上。"}},{"name":"Initially upper-middle website window","description":"White webpage icon initially above and to the right of the left blocked window, with a blue header, orange content rectangle, pale oval, and gray text lines. It later moves to the upper-left position of the four remaining pages.","membership":"Includes the complete browser window, its boundary, header, and enclosed page contents. Excludes neighboring windows and connecting arrows.","id":"obj_022","temporal":{"status":"found","start_s":10.5,"end_s":30.0,"reference_s":12.0,"evidence":"目标是最初位于左侧封禁窗口右上方的白色网页窗口，具有蓝色页眉、橙色内容块、浅色椭圆和灰色文字线；随后移到四个剩余网页的左上位置。10.25秒仍在淡入，10.5秒首次完整清晰呈现；此后持续存在，最后合格帧为29.75秒，视频在30秒结束，无后续采样帧。选择12秒作为关键帧，窗口完整、无遮挡，且与邻近窗口容易区分。","start_frame":252,"end_frame":720,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[717.7,208.3,796.4,310.2],"positive_points":[[746,215],[735,247],[773,236],[772,260],[736,291],[784,297]],"negative_points":[[661,320],[746,422],[907,192],[815,242]],"evidence":"目标是左侧带叉阻止��口右上方的白色网页图标。边界框覆盖完整窗口，包括蓝色标题栏、橙色内容块、浅色椭圆和灰色文字线。正点分布于标题栏及页面内部各部分；负点位于左侧阻止窗口、下方网页、右上方网页及外部背景。"}},{"name":"Initially upper-right website window","description":"White webpage icon initially highest and farthest right in the access-control illustration. It has a blue header, orange rectangle, pale oval, and gray text lines, and later moves to the upper-middle position.","membership":"Includes its complete window frame and all enclosed page elements. Excludes other webpage icons and the background.","id":"obj_023","temporal":{"status":"found","start_s":10.5,"end_s":30.0,"reference_s":11.0,"evidence":"目标是访问控制示意图中最初位于最右上方的白色网页窗口，含蓝色标题栏、橙色矩形、浅色椭圆和灰色文字线；随后连续移动到上方中间。10.25秒仍在淡入，10.5秒首次完整清晰呈现；此后持续存在，最后合格帧为29.75秒，视频在30秒结束，无后续采样帧。选择11秒作关键帧，此时窗口清晰、无遮挡，且与其他网页图标容易区分。","start_frame":252,"end_frame":720,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[870.8,151.9,949.5,253.7],"positive_points":[[900,158],[885,186],[916,181],[937,204],[887,233],[930,235]],"negative_points":[[847,196],[915,124],[754,258],[911,442]],"evidence":"目标是访问控制示意图中最高且最靠右的白色网页窗口，具有蓝色顶栏、橙色矩形、浅色椭圆和灰色文字线。边界框紧贴完整窗口外缘，包含全部内部页面元素；六个正点分布在顶栏和页面各区域，负点位于窗口外背景及其他网页图标上。"}},{"name":"Right blocked website window","description":"Second blocked browser icon, positioned to the right of the first and slightly lower, with a pink circular X symbol inside a gray-framed window.","membership":"Includes the entire window boundary, header, enclosed surface, and circular X. Excludes the ordinary website windows around it.","id":"obj_024","temporal":{"status":"found","start_s":10.5,"end_s":17.0,"reference_s":12.0,"evidence":"目标是右侧网站图标群中、位于另一个封禁窗口右下方的灰框浏览器窗口，内部带粉色圆形白色X。10.50秒首次完成淡入，16.75秒为最后完整显示帧；前一帧10.25秒仍在淡入，后一帧17.00秒已开始淡出。选择12.00秒作为关键帧，此时窗口轮廓清晰、无遮挡，容易与周围普通网站窗口区分。","start_frame":252,"end_frame":408,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[814.1,282.4,894.8,394.4],"positive_points":[[843.8,291.7],[822.9,327.8],[883.3,330.6],[833.3,378.7],[850.5,325],[855.7,348.1]],"negative_points":[[908.9,204.6],[909.4,446.3],[661.5,324.1],[794.3,338]],"evidence":"目标是右侧稍低的灰框浏览器窗口，内部有粉色圆形叉号。边界框紧贴整个窗口，包含标题栏、边框、内部底面和叉号。六个正点分布在标题栏、窗口底面及圆形叉号上；负点位于周围普通网页窗口、左侧另一个被阻止窗口和外部绿色背景。"}},{"name":"Initially lower-middle website window","description":"White webpage icon initially beneath the upper-middle page, with a blue header and orange content block. It later settles below the other pages near the center of the website group.","membership":"Includes the complete window and all enclosed header and page details. Excludes the later left-pointing arrow and magnifying glass.","id":"obj_025","temporal":{"status":"found","start_s":10.5,"end_s":30.0,"reference_s":19.0,"evidence":"目标是网站组中最初位于上方中间网页下方的白色网页窗口，含蓝色页眉和橙色内容块；随后移动至网站组中央偏下，身份连续。10.5秒首次完成淡入，前一帧10.25秒仍呈淡入状态；最后符合条件的帧为29.75秒，视频于30.0秒结束，没有后续帧。选择19.0秒作为关键帧，此时窗口完整清晰、无遮挡，且尚无后来出现的左箭头和放大镜干扰。","start_frame":252,"end_frame":720,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[678.1,360.2,756.8,462.0],"positive_points":[[689,366],[696,397],[737,391],[739,417],[696,442],[740,449]],"negative_points":[[653,265],[785,262],[891,349],[662,416]],"evidence":"目标是右侧网页组中位于下方中央的白色窗口，具有蓝色页眉和橙色内容块。边界框紧贴完整窗口，包含页眉及全部内部细节；六个正点分布在页眉、内容块和页面上下区域，四个负点位于其他网页窗口及目标左侧的外部背景。"}},{"name":"Initially lower-right website window","description":"White webpage icon initially beneath the upper-right page and adjacent to the right blocked window. It later moves to the right side of the four-page arrangement.","membership":"Includes the full window frame, blue header, orange content block, pale oval, and text-line graphics. Excludes other browser windows.","id":"obj_026","temporal":{"status":"found","start_s":10.5,"end_s":30.0,"reference_s":19.0,"evidence":"目标是最初位于右下方、紧邻右侧叉号窗口的白色网页图标，包含蓝色页眉、橙色内容块、浅色椭圆和文字线；随后连续移动到四网页布局的最右侧。10.5秒首次完成淡入，前一帧10.25秒仍有透明淡入效果。最后合格帧为29.75秒，目标仍完整可见，视频在30秒结束，无后续帧。选择19秒作为关键帧，此时目标位于最右侧，完整清晰且无遮挡。","start_frame":252,"end_frame":720,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[854.2,300,933.3,401.9],"positive_points":[[886,306],[872,335],[872,381],[909,331],[911,381],[928,362]],"negative_points":[[786,261],[714,407],[654,260],[956,351]],"evidence":"根据目标在四个网页图标排列中移至右侧的描述，定位为最右侧网页窗口。边界框紧贴其完整外框，覆盖蓝色顶栏、橙色内容块、浅色椭圆及文字线条。六个正点分布在这些组件和白色页面表面；负点位于其余三个窗口及右侧外部背景。"}},{"name":"Access Control statement","description":"Two-line explanation beneath the webpage illustrations: “Access Control: Block access to certain websites or restrict internet usage within a company”.","membership":"Includes the complete text block, including its bold lead-in. Excludes the green check icon to its left and the webpage graphics above.","id":"obj_027","temporal":{"status":"found","start_s":10.5,"end_s":30.0,"reference_s":15.0,"evidence":"目标是网页插图下方以粗体“Access Control:”开头的完整两行说明文字，不包括左侧绿色勾选图标。10.25秒文字仍在淡入，10.5秒首次完全显现；之后持续存在，最后一个合格帧为29.75秒，因此区间结束于30.0秒。视频结束后无相邻帧可检查。选择15.0秒作为关键帧，此时文字清晰完整、无遮挡，便于单独标注。","start_frame":252,"end_frame":720,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[498.4,576.9,956.3,655.6],"positive_points":[[502.1,596.3],[656.3,589.8],[894.3,595.4],[527.6,635.2],[681.8,635.2],[859.9,638.9]],"negative_points":[[461.5,610.2],[749.5,429.6],[713.5,546.3],[792.7,691.7]],"evidence":"根据网页插图下方以粗体“Access Control:”开头的两行说明定位。边界框覆盖完整文字块及行间空隙，不包含左侧绿色勾选图标或上方网页。六个正点分布在两行文字的字形笔画上；负点位于勾选图标、网页图形及文字块外的背景。"}},{"name":"Access Control check icon","description":"Green rounded square with a white check immediately left of the access-control statement.","membership":"Includes the square’s boundary, enclosed green surface, and white check. Excludes the adjacent explanation text.","id":"obj_028","temporal":{"status":"found","start_s":10.5,"end_s":30.0,"reference_s":11.0,"evidence":"目标是“Access Control”说明左侧的绿色圆角方块及其白色对勾，不含文字。10.25秒仍处于淡入阶段，10.5秒首次完整清晰呈现；此后持续存在，最后合格帧为29.75秒。区间延伸至视频结束，没有后续帧。选择11.0秒作为关键帧，图标清晰、无遮挡，且容易与其他元素区分。","start_frame":252,"end_frame":720,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[444.8,579.6,478.6,640.7],"positive_points":[[448.4,589.8],[473.4,589.8],[460.4,604.6],[453.1,620.4],[469.8,628.7],[448.4,633.3]],"negative_points":[[431.3,610.2],[461.5,560.2],[461.5,663.0],[520.8,595.4]],"evidence":"目标是“Access Control”说明左侧的绿色圆角勾选图标。边界框紧贴整个圆角方块，包含绿色表面及白色勾号；正点分布在这些内容上，负点位于图标外侧背景和右侧排除的说明文字上。"}},{"name":"Website response arrow","description":"White left-pointing horizontal arrow appearing between the lower webpage and the proxy diagram during the security explanation.","membership":"Includes the outlined arrow and its enclosed fill. Excludes the nearby webpage and the magnifying glass moving across it.","id":"obj_029","temporal":{"status":"found","start_s":22.25,"end_s":28.5,"reference_s":22.25,"evidence":"目标是下方网页与代理示意图之间、带轮廓和白色填充的水平左箭头，不包括网页或放大镜。22.25秒首次完整显示，22.00秒仍处于淡入状态；最后合格帧为28.25秒，紧邻的28.50秒已开始淡出。选择22.25秒作为关键帧，因为箭头清晰且未被放大镜遮挡。","start_frame":534,"end_frame":684,"reference_frame":534},"grounding":{"status":"found","bbox_xyxy":[586,399.1,666.1,436.1],"positive_points":[[592.2,417.6],[597.4,412],[597.4,425],[609.9,418.5],[635.4,418.5],[659.4,418.5]],"negative_points":[[625,379.6],[625,451.9],[696.9,401.9],[710.9,519.4]],"evidence":"目标是下方网页左侧、代理示意图右侧的白色向左水平箭头。边界框紧贴箭头尖端、轮廓及封闭填充；六个正点分布在箭头头部和横向箭身，负点位于上下外部背景、右侧网页及下方放大镜上。"}},{"name":"Security scanning magnifying glass","description":"Black-outlined magnifying glass with a red inner arc, introduced with the security explanation and moved leftward across the website-response path.","membership":"Includes the complete lens ring, enclosed lens area, red arc, and handle. Excludes the arrow and background visible around the icon.","id":"obj_030","temporal":{"status":"found","start_s":22.25,"end_s":28.5,"reference_s":22.5,"evidence":"目标是带黑色镜框、红色内弧和右下方手柄的放大镜，随安全扫描说明出现并沿网站响应路径向左移动。首个完整显现帧为22.25秒，22.0秒仍在淡入；最后合格帧为28.25秒，28.5秒开始淡出。选择22.5秒作为关键帧，此时放大镜结构清晰，位于箭头下方，遮挡很少。","start_frame":534,"end_frame":684,"reference_frame":540},"grounding":{"status":"found","bbox_xyxy":[608.3,437.0,666.1,538.9],"positive_points":[[633.3,441.7],[611.5,481.5],[632.8,479.6],[623.4,501.9],[654.7,478.7],[653.6,518.5]],"negative_points":[[625.0,417.6],[696.9,412.0],[593.8,490.7],[670.8,564.8]],"evidence":"目标位于网站图标左下方、向左箭头下方，是带红色内弧的黑色轮廓放大镜。边界框紧贴完整镜圈、镜内区域及右下方手柄；正点分布于镜圈、镜内、红弧和手柄，负点位于上方箭头、右侧网页及图标外围背景。"}},{"name":"Security statement","description":"Text beneath the access-control explanation reading “Security: Scan for any viruses and block”, with “Security:” in bold.","membership":"Includes only the complete visible text line. Excludes the check icon, magnifying glass, and other diagram elements.","id":"obj_031","temporal":{"status":"found","start_s":22.5,"end_s":30.0,"reference_s":24.0,"evidence":"目标是访问控制说明下方的完整文字行“Security: Scan for any viruses and block”，其中“Security:”加粗，不含勾选图标或放大镜。22.25秒文字仍在淡入，22.5秒首次完全显现；最后符合条件的帧为29.75秒，文字仍完整可见，因此区间延伸至30秒视频结尾，之后无采样帧。选择24秒作为关键帧，文字清晰且无遮挡。","start_frame":540,"end_frame":720,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[498.4,723.1,874,760.2],"positive_points":[[503.1,731.5],[596.9,731.5],[645.8,736.1],[727.1,740.7],[794.3,747.2],[868.2,740.7]],"negative_points":[[461.5,737],[588.5,592.6],[687.5,793.5],[572.9,428.7]],"evidence":"目标位于访问控制说明下方，是以粗体“Security:”开头的完整单行文字。边界框紧贴该行全部可见文字；六个正点分布在不同单词的字形笔画上，负点位于左侧勾选图标、上方说明文字、下方背景及放大镜处，均不属于目标。"}},{"name":"Security check icon","description":"Green rounded square containing a white check to the left of the security statement, below the access-control check.","membership":"Includes the square boundary, green surface, and enclosed white check. Excludes the adjacent text and the separate check above.","id":"obj_032","temporal":{"status":"found","start_s":22.5,"end_s":30.0,"reference_s":25.0,"evidence":"目标是“Security: Scan for any viruses and block”左侧的绿色圆角方框及白色勾，位于访问控制勾选图标下方。22.25秒仍在淡入，22.5秒首次完整呈现；此后持续可见至最后采样帧29.75秒，因此区间结束于30.0秒，视频末尾无后续帧。选择25.0秒作为关键帧，图标清晰、无遮挡，且容易与上方图标区分。","start_frame":540,"end_frame":720,"reference_frame":600},"grounding":{"status":"found","bbox_xyxy":[444.79,705.56,478.65,765.74],"positive_points":[[448.96,715.74],[473.44,712.96],[448.96,754.63],[473.44,754.63],[456.25,744.44],[467.19,726.85]],"negative_points":[[459.38,611.11],[522.92,740.74],[431.25,736.11],[460.42,787.96]],"evidence":"目标位于 Security 语句左侧、访问控制勾选图标下方。边界框紧贴绿色圆角方块，包含绿色表面和白色勾号；正点分布在方块表面及勾号上，负点位于上方独立图标、右侧文字及左侧和下方外部背景。"}}]}
+{"video_id":224,"video_type":"data and scientific visualization","targets":[{"name":"Reverse proxy title","description":"The large heading “What is a Reverse Proxy” centered across the top throughout the presentation.","membership":"Include only the heading's lettering; exclude the green background and all diagrams below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":26,"reference_s":4,"evidence":"目标是画面顶部居中的大标题“What is a Reverse Proxy”，仅包含标题文字。首个采样帧0.00秒已完整显示，最后采样帧25.75秒仍完整清晰，期间持续存在，没有淡出或裁切。区间覆盖视频首尾，边界外无采样帧。选择4.00秒作为关键帧，标题清晰、无遮挡，易于单独标注。","start_frame":0,"end_frame":624,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[285.9,52.8,713,119.4],"positive_points":[[291.7,66.7],[396.9,88.9],[442.7,92.6],[467.7,83.3],[615.6,84.3],[699,112]],"negative_points":[[500,25],[500,155],[642,350],[174,229]],"evidence":"目标是图像顶部居中的大标题“What is a Reverse Proxy”。边界框紧贴整行标题字母的可见范围；六个正点分散落在标题不同位置的字母笔画上，四个负点位于标题外的绿色背景、下方功能面板及服务器图示上。"}},{"name":"Upper client laptop","description":"The uppermost of three silver laptops with black screens initially arranged down the left side.","membership":"Include the complete laptop silhouette, screen, keyboard, and base. Exclude its outgoing arrow.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是画面左侧三台银色笔记本中最上方的一台，包含黑色屏幕、键盘和底座，不含右侧箭头。首个合格帧为0.00秒，最后合格帧为0.50秒；紧邻的0.75秒帧中，该笔记本已开始淡出，屏幕和机身变为半透明。区间起于视频开头，没有更早的采样帧。选择0.00秒作为关键帧，目标完整清晰、无遮挡，且与另外两台笔记本易于区分。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[121.9,152.8,191.7,238],"positive_points":[[138.5,175.9],[172.9,169.4],[153.1,203.7],[138,219.4],[175.5,220.4],[156.3,232.4]],"negative_points":[[251,231.5],[156.3,316.7],[104.2,185.2],[203.1,194.4]],"evidence":"目标是左侧纵向排列的三台笔记本中最上方的一台。边界框紧贴完整笔记本，涵盖黑色屏幕、银色外壳、键盘和底座，不含右侧输出箭头。六个正点分布在屏幕、键盘及底座上；四个负点位于输出箭头、下方另一台笔记本及目标外侧背景。"}},{"name":"Middle client laptop","description":"The middle silver laptop in the initial vertical column of three clients.","membership":"Include the complete laptop silhouette and its internal details. Exclude the adjacent traffic arrow.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.25,"evidence":"目标是初始画面左侧三台银色客户端笔记本中居中的一台，不含右侧流量箭头。首个合格帧为0.00秒，最后合格帧为0.50秒，完整机身及内部细节清晰可见；紧邻的0.75秒帧中笔记本已开始淡出，故排除。区间始于视频开头，没有更早帧。选择0.25秒作为关键帧，目标完整、清晰且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[121.9,284.3,191.7,369.4],"positive_points":[[135.4,296.3],[176.6,297.2],[144.8,330.6],[163.5,350.9],[130.2,362.0],[180.7,361.1]],"negative_points":[[264.1,329.6],[156.3,259.3],[156.3,391.7],[109.9,328.7]],"evidence":"目标是左侧三台客户端笔记本中间的一台。边界框紧贴整台银色笔记本，包含屏幕、键盘及底座，不含右侧流量箭头。六个正点分布在屏幕和键盘底座上；负点位于右侧箭头及笔记本上方、下方和左侧的外部背景。"}},{"name":"Lower client laptop","description":"The lowest silver laptop in the initial client column.","membership":"Include the screen, keyboard, and base within the laptop's outline. Exclude the outgoing arrow.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.25,"evidence":"目标是初始画面左侧三台客户端笔记本中最下方的银色笔记本，包括屏幕、键盘和底座，不含右侧箭头。首个合格帧为0秒，最后合格帧为0.5秒；紧接的0.75秒帧中，该笔记本已开始淡出。区间起于视频开头，没有更早的采样帧。选择0.25秒作为关键帧，此时轮廓完整、清晰且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[121.9,423.1,192.2,509.3],"positive_points":[[138.5,439.8],[171.9,441.7],[151.6,471.3],[138.5,490.7],[173.4,490.7],[156.3,504.6]],"negative_points":[[253.1,436.1],[156.3,315.7],[109.4,464.8],[156.3,534.3]],"evidence":"目标是左侧客户端列中最下方的银色笔记本。边界框紧贴其屏幕、键盘和底座的外轮廓，不含向右的箭头。六个正点分布在屏幕、键盘及底座上；负点位于出站箭头、中间笔记本及目标左侧和下方的背景。"}},{"name":"Initial Internet globe","description":"The turquoise gridded globe with a yellow “WWW” plaque between the client laptops and the proxy server; it fades out with the clients.","membership":"Include the circular globe, grid lines, and enclosed yellow plaque and lettering. Exclude surrounding arrows.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.25,"evidence":"目标是客户端笔记本与代理服务器之间、带黄色“WWW”牌的青绿色网��地球，不含周围箭头。首个合格帧为0.00秒，最后合格帧为0.50秒；0.75秒时地球已随客户端开始淡出，因此不纳入。目标在视频开头已完整呈现，没有更早的采样帧。选择0.25秒作为关键帧，形状完整、清晰且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[358.9,240.7,460.4,421.3],"positive_points":[[405.7,259.3],[376.0,294.4],[442.2,288.9],[384.9,329.6],[431.3,336.1],[411.5,397.2]],"negative_points":[[296.9,329.6],[526.6,317.6],[285.4,421.3],[409.4,463.0]],"evidence":"目标是客户端笔记本与代理服务器之间带黄色“WWW”铭牌的青绿色网格地球。边界框紧贴完整圆形地球，包含网格、铭牌及文字；六个正点分布于球面和铭牌，负点位于左右及左下方箭头和地球下方的外部背景，排除周围箭头。"}},{"name":"Initial LAN diagram panel","description":"The darker green rectangular panel on the right, labeled “LAN,” initially containing one proxy server, two web servers, and branching traffic arrows.","membership":"Include the panel's surface, boundary, labels, server graphics, and connections inside it. Separately listed children remain included. Exclude portions of incoming graphics outside the panel and the surrounding slide background.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":11.5,"reference_s":3.5,"evidence":"目标是右侧标有“LAN”的深绿色矩形面板，包含一个代理服务器、两个 Web 服务器和分支箭头。首个合格帧为 0.00 秒，面板已完整呈现；视频起点前无采样帧。最后合格帧为 11.25 秒，紧接的 11.50 秒帧中面板及其标签开始淡出，因此结束时间为 11.50 秒。选择 3.50 秒作为关键帧，此时面板边界及内部图形清晰，无遮挡。","start_frame":0,"end_frame":276,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[548.44,187.04,963.54,610.19],"positive_points":[[573,222],[643,379],[878,272],[878,453],[713,571],[771,407]],"negative_points":[[511,317],[776,153],[979,435],[755,665]],"evidence":"目标是右侧标有“LAN”的深绿色矩形面板。边界框紧贴面板四边，包含内部代理服务器、两个 Web 服务器、箭头和标签。正点分布于面板底色、服务器、连接及 LAN 标签；负点位于面板外的入站箭头和周围幻灯片背景，排除面板外内容。"}},{"name":"Initial proxy server","description":"The large dark blue server tower on the left side of the initial LAN panel, receiving Internet traffic and directing it toward two web servers.","membership":"Include the complete tower outline, panels, slots, and indicator lights. Exclude the blue pointing arrow, traffic arrows, and “Proxy Server” caption.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":11.5,"reference_s":5,"evidence":"目标是初始 LAN 面板左侧的大型深蓝色服务器塔，接收左侧流量并向右侧两台 Web 服务器分流；不包含箭头和文字标签。首个合格帧为 0.00 秒，视频起点之前无采样帧；最后合格帧为 11.25 秒，紧邻的 11.50 秒帧中塔身开始淡出。选择 5.00 秒作为关键帧，塔身结构清晰，且未被后续持盾人物遮挡。","start_frame":0,"end_frame":276,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[603.1,233.3,686.5,455.6],"positive_points":[[643.8,260.2],[614.1,300.9],[610.9,351.9],[626.6,408.3],[670.3,382.4],[654.7,422.2]],"negative_points":[[688,322.2],[543.8,318.5],[643.2,503.7],[875,277.8]],"evidence":"目标是 LAN 面板左侧、接收流量并连接右侧两台 Web 服务器的大型深蓝色塔式服务器。边界框紧贴塔身外轮廓，包含顶面、侧板、插槽和指示灯；正点分布在这些部件上。负点位于蓝色指向箭头、左侧流量箭头、下方“Proxy Server”文字及右上方另一台服务器，均不属于目标。"}},{"name":"Proxy identification arrow","description":"The blue, white-bordered left-pointing arrow over the front of the initial proxy tower.","membership":"Include the arrow's filled shape and border. Exclude the tower beneath it and other arrows.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":11.5,"reference_s":5,"evidence":"目标是最初代理服务器塔身前方的蓝色、白边左指箭头，不包括塔身及其他白色箭头。首个合格帧为0.00秒，最后一个为11.25秒；11.50秒该箭头随原代理服务器图示开始淡出。视频起点前没有采样帧。选择5.00秒作为关键帧，此时箭头完整清晰，无遮挡，易于与其他箭头区分。","start_frame":0,"end_frame":276,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[659.4,293.5,708.9,351.9],"positive_points":[[665.6,322.2],[672.4,312.0],[672.9,332.4],[682.8,322.2],[693.2,322.2],[705.2,321.3]],"negative_points":[[645.8,287.0],[661.5,372.2],[734.4,304.6],[724.0,351.9]],"evidence":"目标是覆盖在初始代理服务器塔正面的蓝色、白边左向箭头。边界框紧贴箭头尖端、���下斜边及右侧尾端，包含填充与白色边框。六个正点分布在箭头头部和横杆上；四个负点位于下方服务器、另一支白色箭头及外围绿色背景，排除这些非目标内容。"}},{"name":"Upper original web server","description":"The upper of the two original dark rack servers at the far right of the LAN diagram. It remains the far-right server in the upper row when the backend expands.","membership":"Include the full server silhouette and internal rack details, plus its attached “WWW” globe when publicly exposed. Exclude temporary pink emphasis circles, connecting arrows, and neighboring servers.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":26,"reference_s":15,"evidence":"目标是初始 LAN 图最右侧上方的深色机架服务器；后端扩展后，它仍是上排最右侧服务器，公开暴露时附有 WWW 地球图标。首个合格帧为 0.00 秒，最后为 25.75 秒，服务器轮廓持续存在；粉色强调圆、箭头及附属图标的变化不改变其身份。区间覆盖视频首尾，两端均无额外相邻帧。选择 15.00 秒作为关键帧，此时服务器完整清晰、无遮挡，易与邻近服务器区分。","start_frame":0,"end_frame":624,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[847.4,204.6,903.6,349.1],"positive_points":[[877.1,226.9],[856.8,252.8],[869.8,282.4],[875,325.9],[895.8,251.9],[895.8,309.3]],"negative_points":[[786.5,282.4],[875,449.1],[932.3,277.8],[828.1,217.6]],"evidence":"目标是右上方服务器阵列中上排最右侧的深色机架服务器。边界框紧贴其完整轮廓，包含顶面、两侧机身和机架细节；此图中没有附着的WWW地球图标。六个正点分布在顶面及机身各部，四个负点位于左邻服务器、下方服务器和外围绿色背景。"}},{"name":"Lower original web server","description":"The lower original rack server at the far right, later occupying the far-right position in the lower row of the expanded backend.","membership":"Include the complete server graphic and its attached “WWW” globe when shown. Exclude temporary pink emphasis circles, traffic arrows, and other servers.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":26,"reference_s":3.25,"evidence":"目标是最右侧下方的原始机架服务器，扩展后仍位于后端服务器阵列下排最右端；出现时其附属 WWW 地球也计入，排除粉色强调圆和箭头。首帧 0.00 秒已完整呈现，至最后采样帧 25.75 秒仍持续可见，期间扩展阵列和地球图标变化未中断该服务器的存在。区间覆盖整个视频，起止边界外均无采样帧。选择 3.25 秒作为关键帧，此时服务器清晰完整、无遮挡，且容易与上方服务器区分。","start_frame":0,"end_frame":624,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[847.4,386.1,904.2,530.6],"positive_points":[[877.1,404.6],[856.8,434.3],[857.3,479.6],[876,513],[892.7,436.1],[893.2,482.4]],"negative_points":[[875,279.6],[776,423],[932,472],[646,389]],"evidence":"目标是图像最右侧两台机架服务器中的下方一台。边界框紧贴完整服务器图形，本帧未显示附属“WWW”地球。六个正点分布在顶面、侧面及前面板；负点位于上方服务器、流量箭头、右侧绿色背景和代理服务器上，均不属于目标。"}},{"name":"Proxy Server caption","description":"The text “Proxy Server” directly beneath the large tower in the initial LAN diagram.","membership":"Include only the caption lettering. Exclude the server, surrounding panel, and overlaid security illustration.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":11.5,"reference_s":0,"evidence":"目标是初始 LAN 图中大型服务器正下方的“Proxy Server”字样，仅包含文字。首个合格帧为 0.00 秒，最后合格帧为 11.25 秒；期间安全人物插图局部遮挡文字，但可确认其持续存在。11.50 秒文字随原图开始淡出，因此排除。区间始于视频开头，无更早采样帧。选择 0.00 秒作为关键帧，因为文字清晰完整且无遮挡。","start_frame":0,"end_frame":276,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[593.8,487,700.5,519.4],"positive_points":[[595.8,500.9],[616.7,510.2],[632.8,514.8],[649,508.3],[678.1,504.6],[697.4,497.2]],"negative_points":[[572.9,500],[635.4,537],[642.7,420.4],[713.5,574.1]],"evidence":"目标是 LAN 面板内大型服务器正下方的“Proxy Server”文字。边界框紧贴整段标题字形，六个正点分布在两个单词的字母笔画上；负点位于文字外的面板背景、上方服务器及下方 LAN 标签，排除这些非目标内容。"}},{"name":"Web Servers caption","description":"The text “Web Servers” beneath the original pair of backend towers.","membership":"Include only the caption lettering; exclude the servers and green panel.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":11.75,"reference_s":3.25,"evidence":"目标是原始两座后端服务器下方的“Web Servers”字样，不含服务器和绿色面板。0.00秒已完整显示，视频起点前无采样帧；最后合格帧为11.50秒，紧邻的11.75秒中字样开始明显淡出。选择3.25秒作为关键帧，文字清晰、无遮挡，且与原始服务器对的位置关系明确。","start_frame":0,"end_frame":282,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[822.9,560.2,927.6,587.0],"positive_points":[[827.1,574.1],[851.6,566.7],[868.8,564.8],[897.9,583.3],[906.8,574.1],[924.0,582.4]],"negative_points":[[875.0,470.0],[870.0,542.0],[870.0,605.0],[715.0,574.0]],"evidence":"目标是右侧绿色面板中、两台后端服务器下方的“Web Servers”文字。边框紧贴整段标题字形；六个正点分布在两个单词的字母笔画上，负点位于服务器、面板背景、标题下方背景及旁边的“LAN”文字上。"}},{"name":"Reverse proxy functionalities heading","description":"The two-line text “Functionalities of a Reverse Proxy,” initially at lower left on a bright green rounded backing and subsequently moved upward.","membership":"Include only the lettering of this text block. Exclude its green backing, shadow, and adjacent feature icons.","id":"obj_013","temporal":{"status":"found","start_s":0,"end_s":11.5,"reference_s":4.5,"evidence":"目标为两行白色文字“Functionalities of a Reverse Proxy”，仅计 lettering，不含绿色底板。首个合格帧为0.00秒，文字已完整呈现，视频起点前无采样帧；之后随底板向上移动仍连续存在。最后合格帧为11.25秒，紧邻的11.50秒开始淡出，故不纳入。选择4.50秒作关键帧，文字清晰、无遮挡，且与相邻功能图标分离。","start_frame":0,"end_frame":276,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[81.25,199.07,267.71,277.78],"positive_points":[[83.33,213.89],[233.85,212.96],[262.5,221.3],[111.98,258.33],[190.1,253.7],[232.81,265.74]],"negative_points":[[62.5,231.48],[286.46,250],[148.44,324.07],[146.35,468.52]],"evidence":"目标是左上方亮绿色圆角底板上的两行白字“Functionalities of a / Reverse Proxy”。框紧贴完整文字块，不含底板和阴影；六个正点分布在两行字母笔画上，负点位于文字外的绿色底板、外部背景及下方功能图标上。"}},{"name":"Load balancing illustration","description":"The outlined server-and-pink-gear icon with four downward branches ending in small endpoint symbols. It moves from the lower middle to the left side.","membership":"Include the server boxes, their enclosed details, gear, branching arrows, and four endpoint symbols as one compact illustration. Preserve the open spaces between branches; exclude the separate caption.","id":"obj_014","temporal":{"status":"found","start_s":0,"end_s":11.5,"reference_s":5,"evidence":"目标是由服务器框、粉色齿轮、四条向下分支及端点符号组成的紧凑插图，不含“Load Balancing”字幕。首个合格帧为0.00秒，已完整呈现；此前没有采样帧。插图从下方中部移至左侧，最后合格帧为11.25秒，11.50秒开始淡出。选择5.00秒作为关键帧，此时轮廓清晰、分支完整且无遮挡。","start_frame":0,"end_frame":276,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[103.65,367.59,190.63,568.52],"positive_points":[[121.35,387.04],[122.4,444.44],[157.29,470.37],[110.94,555.56],[156.25,555.56],[183.33,555.56]],"negative_points":[[150,635],[85,445],[210,500],[150,330]],"evidence":"目标位于图像左侧，由两层服务器框、粉色齿轮及向下连接四个端点的分支组成。边界框紧贴整个图标，不包含下方“Load Balancing”标题。正点分布在服务器、齿轮和端点符号上；负点位于独立标题及图标外围背景，未标记分支之间的空隙。"}},{"name":"Load Balancing caption","description":"The text “Load Balancing” beneath the server-and-gear illustration, presented on a white rounded backing.","membership":"Include only the caption lettering. Exclude the white backing, shadow, and illustration above.","id":"obj_015","temporal":{"status":"found","start_s":0,"end_s":11.5,"reference_s":6,"evidence":"目标是服务器与齿轮插图下方白色圆角底板上的“Load Balancing”字样，仅指文字。首个合格帧为0秒，文字已完整显示；视频起点之前无采样帧。文字随布局移动后持续存在，最后合格帧为11.25秒；紧邻的11.5秒帧中文字开始淡出，因此不纳入。选择6秒作为关键帧，文字清晰完整、无遮挡，且与周围图形容易区分。","start_frame":0,"end_frame":276,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[79.7,621.3,219.0,656.5],"positive_points":[[81.3,635.2],[121.4,630.6],[132.8,632.4],[156.3,636.1],[176.6,633.3],[215.6,650.0]],"negative_points":[[72.9,636.1],[229.2,635.2],[150.0,663.0],[148.0,469.4]],"evidence":"目标是左下方服务器与齿轮插图下的“Load Balancing”文字。边界框仅覆盖完整标题字母，包括末尾字母的下伸部分；六个正点分散在文字笔画上，负点位于文字外的白色衬底及上方齿轮插图，不包含衬底、阴影或插图。"}},{"name":"Load distribution explanation","description":"The initial two-line statement “Distributing incoming traffic across multiple backend servers to balance the load” to the right of the load balancing icon.","membership":"Include the complete text block. Exclude its triangular bullet and neighboring graphics.","id":"obj_016","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.25,"evidence":"目标是负载均衡图标右侧的两行说明文字“Distributing incoming traffic across multiple backend servers to balance the load”，不含三角项目符号。首个合格帧为0秒，最后合格帧为0.50秒；0.75秒文字开始淡出，随后继续变淡。目标在视频起点已完整呈现，之前没有采样帧。选择0.25秒作为关键帧，文字清晰完整且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[538.0,708.3,961.0,787.0],"positive_points":[[541.7,722.2],[761.5,722.2],[885.4,722.2],[540.1,771.3],[723.4,772.2],[838.5,772.2]],"negative_points":[[519.3,722.2],[410.0,734.3],[755.2,657.4],[750.0,824.1]],"evidence":"目标是负载均衡图标右侧的两行说明文字，以“Distributing incoming traffic”开头。边界框覆盖完整两行文字，不包含左侧三角项目符号。六个正点分布在两行的字形笔画上；负点位于三角符号、邻近图标及文字上下的外部背景。"}},{"name":"Security illustration","description":"A blue shield containing a check mark, supported by two pale hands with pink cuffs. It appears beside the load balancing feature and later moves to the lower left.","membership":"Include the shield's outer boundary and enclosed content, both hands, and cuffs. Follow their actual outlines and exclude the space outside them, the caption, and nearby graphics.","id":"obj_017","temporal":{"status":"found","start_s":7.75,"end_s":26.0,"reference_s":14.0,"evidence":"目标是带勾的蓝色盾牌及托住它的双手、粉色袖口，不含“Security”字幕。7.50秒仍处于淡入，7.75秒首次完整清晰呈现；此后移向左下方并持续存在，最后合格帧为25.75秒，因此区间结束于视频末尾26.0秒，之后无采样帧。选择14.0秒作为关键帧，目标轮廓清楚、无遮挡，且与邻近图形分离。","start_frame":186,"end_frame":624,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[160.4,615.7,278.6,824.1],"positive_points":[[201.6,658.3],[231.8,704.6],[178.6,738.9],[258.9,728.7],[202.1,808.3],[237,808.3]],"negative_points":[[218.8,892.6],[145.8,716.7],[291.7,657.4],[619.8,456.5]],"evidence":"目标位于左下方，是带勾的蓝色盾牌及托举它的双手和粉色袖口。边界框紧贴整幅插图的外缘，不含下方“Security”文字标签。六个正点分布在盾牌、双手及两个袖口上；负点位于文字标签、插图外侧背景和右上方服务器图标上。"}},{"name":"Security caption","description":"The word “Security” beneath the hands-and-shield illustration, moving with that feature through the layout changes.","membership":"Include only the lettering. Exclude the white rounded backing, shadow, and security icon.","id":"obj_018","temporal":{"status":"found","start_s":7.75,"end_s":26.0,"reference_s":14.0,"evidence":"目标是双手托盾图标下方的“Security”字母，不包括白色底板、阴影或图标。7.50秒文字仍在淡入，7.75秒已完整清晰显示；此后随布局移动持续存在，最后合格帧为25.75秒。区间到达视频末尾，没有后续采样帧。选择14.00秒作为关键帧，因为文字清晰、无遮挡，且与其他文字充分分离。","start_frame":186,"end_frame":624,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[181.8,879.6,257.3,914.8],"positive_points":[[187,882.4],[197.9,896.3],[204.7,896.3],[214.1,893.5],[238.5,904.6],[250,906.5]],"negative_points":[[165,894],[276,894],[219,868],[219,688]],"evidence":"目标是左下方手托盾牌图标下的“Security”文字。边界框仅包围完整字母及末尾 y 的下伸部分；六个正点分布在字母笔画上，负点位于文字外的白色底板区域和上方盾牌图标上，排除底板、阴影及图标。"}},{"name":"Shield-bearing defender illustration","description":"A brown-haired cartoon figure in a pale yellow top and green trousers holding a white shield with a turquoise cross against small approaching bug symbols, positioned in front of the initial proxy.","membership":"Include the complete person, held shield and its enclosed cross, and the small attacking bugs belonging to this compact illustration. Exclude the underlying network arrow, server, and captions.","id":"obj_019","temporal":{"status":"found","start_s":7.5,"end_s":11.5,"reference_s":9.0,"evidence":"目标是初始代理服务器前持白色青绿色十字盾牌的棕发人物，连同其左侧的小虫图案。7.5秒首次完整出现，虽尺寸较小但人物、盾牌及虫子已齐全；7.25秒尚未出现。最后合格帧为11.25秒，11.5秒人物及附属图案开始淡出。选择9.0秒为关键帧，此时插画较大、结构清晰，便于与底层箭头和服务器区分。","start_frame":180,"end_frame":276,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[472.9,220.4,628.1,542.6],"positive_points":[[592.2,244.4],[553.6,306.5],[595.8,331.5],[620.8,532.4],[495.8,248.1],[485.9,368.5]],"negative_points":[[514.1,316.7],[652.6,377.8],[663.5,503.7],[467.7,423.1]],"evidence":"目标是代理服务器前持白盾的棕发人物。边界框覆盖完整人物、盾牌及十字，以及左侧全部小虫。正点分布于头发、盾牌、上衣、脚部和小虫；负点位于被排除的网络箭头、服务器、标题文字及外部背景。"}},{"name":"Added upper-left backend server","description":"The leftmost newly added rack server in the expanded backend's upper row, to the left of three other upper-row servers.","membership":"Include the full tower and its rack details, together with its attached “WWW” globe during the exposure demonstration. Exclude neighboring towers and the later network panel.","id":"obj_020","temporal":{"status":"found","start_s":12.5,"end_s":26.0,"reference_s":15.0,"evidence":"目标是扩展后八台后端服务器中上排最左侧的新增机柜，其右侧有另外三台上排服务器；暴露演示期间附着的“WWW”球体也属于目标。12.25秒该新增机柜仍在淡入，12.5秒首次完整清晰呈现，此后持续存在，最后合格帧为25.75秒。区间延伸至视频结尾26秒，无后续采样帧。选择15秒作为关键帧，此时机柜完整、无遮挡，且易与相邻服务器区分。","start_frame":300,"end_frame":624,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[590.6,216.7,646.4,361.1],"positive_points":[[620,242],[602,268],[608,309],[618,343],[639,260],[640,318]],"negative_points":[[702,281],[618,460],[566,293],[663,315]],"evidence":"目标是右上方八台服务器中，上排最左侧的一台，其右侧另有三台。边界框紧贴完整塔体及机架细节；当前未见附属“WWW”地球。六个正点分布于顶面、左侧机架和右侧接口区域，负点位于相邻服务器、下排服务器及塔体外的绿色背景。"}},{"name":"Added upper middle-left backend server","description":"The second server from the left in the expanded upper row, between the leftmost added server and another added tower.","membership":"Include this complete tower and its attached “WWW” globe when shown. Exclude neighboring servers and surrounding background.","id":"obj_021","temporal":{"status":"found","start_s":12.5,"end_s":26.0,"reference_s":18.5,"evidence":"目标是扩展后上排从左数第二座服务器，位于两座新增塔式服务器之间；出现时附带的“WWW”球体也属于目标。12.25秒该新增服务器仍在淡入，12.5秒首次完整清晰呈现；此后持续存在，最后合格帧为25.75秒。区间到达视频末尾，没有后续帧。选择18.5秒作为关键帧，此时塔身及附属WWW球体清晰，容易与相邻服务器区分。","start_frame":300,"end_frame":624,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[645.8,216.7,730.2,361.1],"positive_points":[[671.9,292.6],[666.7,260.2],[674,325.9],[704.2,241.7],[720.3,288],[702.6,341.7]],"negative_points":[[583.9,291.7],[768.8,292.6],[671.9,455.6],[677.1,180.6]],"evidence":"目标是上排从左数第二台服务器。边界框紧贴其完整机箱及前方附带的“WWW”地球图标；六个正点分布在地球图标、文字牌及机箱顶部和侧面，四个负点位于左右相邻服务器、下排服务器和上方背景。"}},{"name":"Added upper middle-right backend server","description":"The third server from the left in the expanded upper row, immediately left of the original upper-right server.","membership":"Include the full server silhouette, internal details, and its attached “WWW” globe during public exposure. Exclude adjacent towers.","id":"obj_022","temporal":{"status":"found","start_s":12.5,"end_s":26.0,"reference_s":14.0,"evidence":"目标是扩展后上排从左数第三台服务器，紧邻原有最右侧服务器的左边；公开暴露阶段其附属“WWW”球也属于目标。12.25秒该新增塔仍在淡入，12.5秒首次完整清晰呈现，此后持续存在至最后采样帧25.75秒。区间到达视频末尾，没有后续帧。选择14秒作为关键帧，服务器轮廓与内部细节清楚，无遮挡，且与相邻塔分离明确。","start_frame":300,"end_frame":624,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[759.4,216.7,815.6,361.1],"positive_points":[[788.0,240.7],[767.2,263.9],[768.8,316.7],[787.0,300.9],[808.9,270.4],[788.0,345.4]],"negative_points":[[702.1,284.3],[875.0,277.8],[786.5,458.3],[735.4,284.3]],"evidence":"目标是上排从左数第三台服务器，紧邻最右侧服务器的左边。边界框紧贴其完整塔形轮廓，包含顶面、侧面及指示灯等内部细节；本图未显示附属WWW地球。六个正点分布在目标顶面和两侧，四个负点位于左右相邻服务器、下排服务器及外部背景。"}},{"name":"Added lower-left backend server","description":"The leftmost newly added rack server in the expanded lower row.","membership":"Include the complete tower, rack details, and attached “WWW” globe when present. Exclude other servers and the surrounding network panel.","id":"obj_023","temporal":{"status":"found","start_s":12.5,"end_s":26.0,"reference_s":15.0,"evidence":"目标是扩展后的两排服务器中，下排最左侧新增的机架塔，随后附有“WWW”球标。12.25秒该新增塔仍在淡入，12.5秒首次完整清晰呈现；此后持续存在，最后合格帧为25.75秒。区间到达视频末尾，没有后续采样帧。选择15.0秒作为关键帧，此时塔体及机架细节清楚，与其他服务器分离且无遮挡。","start_frame":300,"end_frame":624,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[590.1,392.6,645.8,537.0],"positive_points":[[619.8,417.6],[599.0,448.1],[603.1,493.5],[619.8,521.3],[639.6,446.3],[639.6,498.1]],"negative_points":[[619.8,298.1],[699.5,463.0],[566.7,458.3],[619.8,578.7]],"evidence":"目标是右侧服务器阵列下排最左侧的机架服务器。边界框紧贴完整塔体，包含顶部、侧面和机架细节；未见附带的“WWW”地球。六个正点分布在塔体各主要表面，四个负点位于上方及右侧其他服务器，以及左侧和下方的绿色背景。"}},{"name":"Added lower middle-left backend server","description":"The second server from the left in the expanded lower row.","membership":"Include this tower's complete outline and details and its attached “WWW” globe when shown. Exclude neighboring towers.","id":"obj_024","temporal":{"status":"found","start_s":12.5,"end_s":26.0,"reference_s":19.0,"evidence":"目标是扩展后的两排服务器中，下排从左数第二座塔，出现WWW球标时将其一并纳入。12.25秒该新增塔仍在淡入，12.5秒轮廓和细节已完整呈现；此后持续可见，最后合格帧为25.75秒。区间到达视频结尾，无后续帧。选择19.0秒作为关键帧，因为塔体及其附属WWW球标清晰完整，且易与相邻服务器区分。","start_frame":300,"end_frame":624,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[645.8,392.6,730.2,537.0],"positive_points":[[703.1,416.7],[723.4,455.6],[706.8,506.5],[659.9,427.8],[674.0,457.4],[670.8,492.6]],"negative_points":[[620.8,454.6],[769.8,456.5],[704.2,317.6],[693.8,575.0]],"evidence":"目标是下排从左数第二台服务器。边界框覆盖该塔式服务器的完整可见轮廓、细节及附带的“WWW”地球图标。六个正点分布在机箱顶面、侧面和地球图标上；四个负点位于左右相邻服务器、上排服务器及下方外部背景。"}},{"name":"Added lower middle-right backend server","description":"The third server from the left in the expanded lower row, immediately left of the original lower-right server.","membership":"Include the full tower and its attached public-facing “WWW” globe when present. Exclude neighboring servers and the background.","id":"obj_025","temporal":{"status":"found","start_s":12.5,"end_s":26.0,"reference_s":18.0,"evidence":"目标是扩展后的下排从左数第三座服务器，紧邻原有最右侧下排服务器的左边；出现时计入其附带的WWW地球图标。12.25秒新增塔体仍在淡入，12.5秒首次完整清晰呈现，此后持续存在至最后采样帧25.75秒。区间到达视频结尾26秒，没有后续帧。选择18秒作为关键帧，目标塔体及附带WWW图标清楚可辨，与相邻服务器容易区分。","start_frame":300,"end_frame":624,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[742.2,392.6,815.6,537.0],"positive_points":[[790.1,413.9],[805.7,443.5],[786.5,518.5],[755.2,426.9],[768.2,454.6],[770.8,487.0]],"negative_points":[[708.3,463.0],[875.0,453.7],[786.5,284.3],[734.4,541.7]],"evidence":"目标是下排从左数第三台服务器，紧邻最右侧服务器左边。边界框覆盖完整机塔及其前方的“WWW”地球图标。六个正点分布在机塔顶部、侧面、底部和地球图标上；四个负点位于左右邻近服务器、上排服务器及目标左下方背景。"}},{"name":"Direct exposure warning","description":"The statement “We don't want to directly expose all web servers” beside the upper red cross symbol in the security explanation.","membership":"Include only this complete line of text. Exclude the red cross symbol and surrounding graphics.","id":"obj_026","temporal":{"status":"found","start_s":17.0,"end_s":22.25,"reference_s":19.0,"evidence":"目标是上方红叉旁的完整文字“We don't want to directly expose all web servers”，不包含红叉。17.0秒文字已完成淡入，22.0秒为最后完整显示帧；此前16.75秒仍处于淡入，此后22.25秒开始淡出。选择19.0秒作为关键帧，文字清晰、无遮挡，且易与下方警告区分。","start_frame":408,"end_frame":534,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[397.9,689.8,854.7,725.0],"positive_points":[[400.5,695.4],[435.4,703.7],[491.1,702.8],[578.6,705.6],[673.4,703.7],[821.9,706.5]],"negative_points":[[364.1,703.7],[583.3,814.8],[625.0,648.1],[769.8,456.5]],"evidence":"目标是上方红色叉号右侧的“We don't want to directly expose all web servers”整行文字。边界框仅覆盖该行文字；六个正点分布于不同单词的字形笔画上，负点位于红叉、下方另一行文字、上方背景及服务器图案，均不属于目标。"}},{"name":"Attack surface warning","description":"The statement “This increases the attack surface massively” beside the lower red cross symbol.","membership":"Include only the complete text line. Exclude the cross symbol, security icon, and background.","id":"obj_027","temporal":{"status":"found","start_s":16.75,"end_s":22.5,"reference_s":18.5,"evidence":"目标是下方红色叉号旁的完整文字行“This increases the attack surface massively”，不包含叉号。首个符合条件的帧为16.75秒，16.50秒文字仍在淡入；最后符合条件的帧为22.25秒，22.50秒文字已开始淡出。选择18.50秒作为关键帧，此时文字清晰完整、无遮挡，易于独立标注。","start_frame":402,"end_frame":540,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[397.9,800,801,836.1],"positive_points":[[401,803.7],[443.8,819.4],[538.5,816.7],[575,823.1],[639.1,821.3],[714.6,815.7]],"negative_points":[[364.6,815.7],[625,706.5],[833.3,815.7],[218.8,688]],"evidence":"目标是下方红色叉号右侧的“This increases the attack surface massively”整行文字。边界框紧贴完整文字，不包含叉号。六个正点分布在各词的字形笔画上；负点位于下方叉号、上方另一行文字、右侧背景和左侧安全图标上。"}},{"name":"Hacker illustration","description":"The black-hooded, masked cartoon computer user with a white laptop displaying a skull and crossbones, shown left of the publicly exposed server array.","membership":"Include the complete hooded figure and laptop, including the laptop's enclosed emblem. Exclude the separate Internet globe that overlaps during the transition and the line beneath the illustration.","id":"obj_028","temporal":{"status":"found","start_s":18.0,"end_s":20.5,"reference_s":19.0,"evidence":"目标为公开暴露的服务器阵列左侧、戴黑色兜帽和眼罩的黑客及带骷髅交叉骨标志的白色笔记本电脑，不含下方横线。18.00秒首次完全显现，20.25秒为最后合格帧；此前17.75秒仍在淡入，此后20.50秒开始淡出。选择19.00秒作为关键帧，人物和电脑清晰完整，且无互联网球体遮挡。","start_frame":432,"end_frame":492,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[351,241.7,486.5,530.6],"positive_points":[[417.2,266.7],[405.7,319.4],[419.8,355.6],[366.7,484.3],[469.3,482.4],[418.8,468.5]],"negative_points":[[328.1,398.1],[583.3,296.3],[500,532.4],[419.3,574.1]],"evidence":"目标是服务器阵列左侧戴黑色兜帽和眼罩、使用骷髅标志白色笔记本的人物。边界框紧贴完整人物及笔记本，不含下方横线。正点分布于兜帽、眼罩、脸部、两侧衣袖和电脑徽标；负点位于外部背景、右侧服务器图标及人物外侧的下方横线上。"}},{"name":"Security demonstration Internet globe","description":"A turquoise “WWW” globe that appears over the fading hacker and moves left to represent the external Internet in the final network layout.","membership":"Include the globe's circular outline, grid, yellow plaque, and lettering. Exclude the fading hacker and the outgoing arrow.","id":"obj_029","temporal":{"status":"found","start_s":20.75,"end_s":26.0,"reference_s":23.0,"evidence":"目标是黑客淡出时出现并向左移动的独立 turquoise“WWW”地球，包含圆形网格和黄色文字牌，不含黑客及箭头。20.75秒首次清楚完整呈现；此前20.50秒仍处于黑客及服务器前地球图标的替换过渡。此后目标持续完整可见，最后合格帧为25.75秒，区间延伸至视频结束26.0秒，无后续采样帧。选择23.0秒，地球已与其他图标分离、无遮挡，轮廓清晰。","start_frame":498,"end_frame":624,"reference_frame":552},"grounding":{"status":"found","bbox_xyxy":[178.6,307.4,266.7,464.8],"positive_points":[[220.8,325],[187.5,351.9],[195.8,386.1],[231.8,386.1],[255.7,422.2],[220.8,453.7]],"negative_points":[[339.1,378.7],[158.3,387],[221.9,268.5],[219.3,678.7]],"evidence":"目标是画面左侧、右向箭头前的青绿色“WWW”地球。边界框紧贴完整圆形轮廓，包含经纬网格、黄色铭牌及文字。正点分布于球体上部、两侧、底部和铭牌文字区域；负点位于右侧箭头、球体外背景及下方安全盾牌，均不包含在目标内。"}},{"name":"Internal Network panel","description":"The darker green rectangular panel labeled “Internal Network” that appears around the expanded backend and later contains two proxy entry points at its left edge.","membership":"Include the panel surface, boundary, enclosed label, backend servers, and portions of proxy graphics inside its boundary. Separately listed children remain included. Exclude the external globe and portions of graphics extending beyond the panel.","id":"obj_030","temporal":{"status":"found","start_s":22.0,"end_s":26.0,"reference_s":25.75,"evidence":"目标是包围八台后端服务器、标有“Internal Network”的深绿色矩形面板，后续左缘加入两个代理入口。22.0秒面板表面、边界和标签已完整显现；前一帧21.75秒仍在淡入。最后合格帧为25.75秒，面板持续存在至视频结束，之后没有采样帧。选择25.75秒作关键帧，面板轮廓、标签、后端服务器及左缘代理与外部地球的关系清楚。","start_frame":528,"end_frame":624,"reference_frame":618},"grounding":{"status":"found","bbox_xyxy":[443.23,188.89,962.5,634.26],"positive_points":[[460,211],[566,355],[622,278],[865,459],[498,502],[713,592]],"negative_points":[[220,386],[429,330],[701,161],[812,676]],"evidence":"目标是右侧标有“Internal Network”的深绿色矩形面板。边界框紧贴面板四边，包含面板表面、标签、后端服务器及边界内的代理图形部分。正点分布在面板表面、服务器、代理和标签上；负点位于外部地球、伸出面板左边界的代理部分，以及面板上方和下方背景。"}},{"name":"External entry arrow","description":"The white right-pointing arrow from the security demonstration's Internet globe toward the internal network and its proxy entry points.","membership":"Include the arrow's fill and thin outline. Exclude the globe, proxy towers, and panel behind it.","id":"obj_031","temporal":{"status":"found","start_s":23.0,"end_s":26.0,"reference_s":25.5,"evidence":"目标是安全演示中从左侧 WWW 地球指向内部网络及代理入口的白色右箭头，仅包含箭头填充和细轮廓。22.75 秒仍处于淡入，23.0 秒首次完整清晰呈现；此后持续存在，最后合格帧为 25.75 秒。区间到达视频结尾，没有后续采样帧。选择 25.5 秒作为关键帧，箭头清楚、无遮挡，且与地球和代理塔容易区分。","start_frame":552,"end_frame":624,"reference_frame":612},"grounding":{"status":"found","bbox_xyxy":[283.9,360.2,399,398.1],"positive_points":[[291.7,378.7],[311.5,379.1],[332.3,379.6],[355.7,378.7],[378.1,379.6],[389.6,379.6]],"negative_points":[[220.3,384.3],[450,324.1],[338.5,338],[338.5,421.3]],"evidence":"目标是互联网地球与代理服务器之间的白色右向箭头。边界框紧贴箭杆、箭头尖端及细描边；六个正点分布在箭杆和箭头填充内，负点位于地球、代理塔及箭头上下的外部背景，排除其他对象。"}},{"name":"Upper final proxy entry point","description":"The first dark blue proxy tower introduced at the left edge of the Internal Network panel, ultimately positioned above and left of the second proxy.","membership":"Include the complete tower silhouette, internal details, and its blue white-bordered identification arrow. Exclude the incoming white arrow, the second proxy, and the panel background.","id":"obj_032","temporal":{"status":"found","start_s":24.0,"end_s":26.0,"reference_s":25.0,"evidence":"目标是 Internal Network 面板左侧最先出现的深蓝色代理塔，包含其蓝色白边识别箭头，随后位于第二座代理塔的左上方。23.75 秒仍在淡入，24.0 秒首次完整清晰呈现；此后移动和缩放不影响完整性，最后一个合格帧为 25.75 秒。区间延伸至视频结尾 26.0 秒，没有后续采样帧。选择 25.0 秒作为关键帧，此时目标与下方第二座代理塔分离，轮廓及识别箭头清楚且无遮挡。","start_frame":576,"end_frame":624,"reference_frame":600},"grounding":{"status":"found","bbox_xyxy":[421.4,235.2,504.2,409.3],"positive_points":[[453.1,257.4],[431.8,293.5],[435.9,359.3],[476.6,354.6],[463.5,386.1],[491.1,303.7]],"negative_points":[[344.3,378.7],[492.7,494.4],[520.8,341.7],[617.2,287.0]],"evidence":"目标是 Internal Network 面板左缘、位于另一代理塔左上方的深蓝色塔。边界框紧贴完整塔身及其蓝色白边指示箭头；正点分布在塔顶、侧面、正面细节和蓝箭头上。负点位于左侧白色输入箭头、下方第二座代理塔、面板背景及右侧服务器上。"}},{"name":"Lower final proxy entry point","description":"The second dark blue proxy tower, appearing below and slightly right of the first at the internal network's entrance.","membership":"Include the complete tower, its internal rack details, and its blue white-bordered identification arrow. Exclude the upper proxy and surrounding panel.","id":"obj_033","temporal":{"status":"found","start_s":24.25,"end_s":26.0,"reference_s":25.75,"evidence":"目标是内部网络入口处位于上方代理塔下方、略偏右的第二座深蓝色代理塔，包括机架细节和蓝色白边箭头。24.25秒首次完整可见，虽与上方塔重叠且仍在��动，但自身结构已完整；前一帧24.00秒仅有一座代理塔。最后合格帧为25.75秒，目标持续存在至视频结束，之后无采样帧。选择25.75秒作为关键帧，两座塔已分离，目标轮廓和箭头清晰。","start_frame":582,"end_frame":624,"reference_frame":618},"grounding":{"status":"found","bbox_xyxy":[464.1,388.9,546.9,561.1],"positive_points":[[496.4,410.2],[472.4,437.0],[470.8,479.6],[502.1,494.4],[510.4,528.7],[535.4,457.4]],"negative_points":[[449.5,325.0],[556.3,511.1],[611.5,463.0],[442.7,512.0]],"evidence":"目标是内部网络入口处位于上方代理右下侧的第二座深蓝色塔式代理。边界框包含完整塔身、机架细节及蓝色白边识别箭头。六个正点分布在塔顶、左右面板、机架和箭头上；负点位于上方代理、右侧服务器及周围背景，排除其他对象和网络面板。"}},{"name":"Proxy entry point recommendation","description":"The final text “Expose proxy server(s) as entry point” beside a green check symbol beneath the network diagram.","membership":"Include only the complete text block. Exclude the green check symbol, network panel, and security illustration.","id":"obj_034","temporal":{"status":"found","start_s":25.75,"end_s":26.0,"reference_s":25.75,"evidence":"目标是网络图下方的完整文字“Expose proxy server(s) as entry point”，不包括左侧绿色勾号。25.25秒开始淡入，紧邻起点的25.50秒文字仍呈半透明；25.75秒文字完整清晰，为首个及最后一个合格采样帧，因此选作关键帧。区间延续至视频末尾26.00秒，之后没有采样帧。","start_frame":618,"end_frame":624,"reference_frame":618},"grounding":{"status":"found","bbox_xyxy":[387,738,732,773.2],"positive_points":[[389.1,750.9],[459.9,754.6],[518.2,747.2],[606.3,755.6],[630.2,754.6],[728.1,754.6]],"negative_points":[[355.7,754.6],[697.9,592.6],[218.8,688.9],[567.7,824.1]],"evidence":"目标是网络图下方、绿色勾号右侧的“Expose proxy server(s) as entry point”。边界框仅覆盖完整文字；六个正点分布于各段文字笔画上，负点位于绿色勾号、网络面板、安全插图及文字下方的外部背景，均不属于目标。"}}]}
+{"video_id":225,"video_type":"data and scientific visualization","targets":[{"name":"Session vs JWT title","description":"The white heading “Session vs JWT” at the upper left, retained throughout the presentation.","membership":"Includes only the heading text; excludes the background and publisher branding.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":28,"reference_s":0,"evidence":"目标是左上角白色“Session vs JWT”标题，仅包含文字，不含背景及右上角品牌标识。标题从首帧0.00秒到末帧27.75秒始终完整可见，跨场景持续保留，未见淡出或移除，因此区间为[0,28)。区间已达视频起止边界，两侧均无外部采样帧。选择0.00秒作为关键帧，标题清晰完整、无遮挡，易于标注。","start_frame":0,"end_frame":672,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[25.52,47.22,175,76.85],"positive_points":[[31.25,50],[74.48,49.07],[95.83,59.26],[109.38,59.26],[147.92,53.7],[169.27,50]],"negative_points":[[15.63,61.11],[93.75,101.85],[190.1,60.19],[869.79,50.93]],"evidence":"目标是左上角白色标题“Session vs JWT”。边界框紧贴整行文字；六个正点分布在标题各部分的字形笔画上，负点位于标题外的深色背景及右上角出版商品牌文字上。"}},{"name":"HMAC approval check","description":"A large teal check mark above the monolithic architecture diagram, to the left of “HMAC.”","membership":"Includes the check mark's filled silhouette only; excludes the adjacent text and diagram.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":1,"evidence":"目标是单体架构图上方、HMAC文字左侧的青绿色实心对勾，不含文字。首个合格帧为0.00秒，对勾已完整呈现；最后合格帧为12.75秒。13.00秒画面切换为令牌过期示意，对勾消失。区间始于视频开头，没有更早的采样帧。选择1.00秒作为关键帧，此时对勾完整清晰，且没有另一枚对勾造成混淆。","start_frame":0,"end_frame":312,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[452.6,200,495.3,257.4],"positive_points":[[458.9,224.1],[464.1,233.3],[469.8,244.4],[476,232.4],[482.8,219.4],[488.5,210.2]],"negative_points":[[440.6,222.2],[508.3,187],[519.8,232.4],[469.3,311.1]],"evidence":"目标是单体架构图上方、HMAC文字左侧的青绿色勾号。边界框紧贴勾号的填充轮廓；六个正点分布于短臂、底部转折和长臂，四个负点位于外部背景、HMAC文字及下方图标题，均不包含勾号内部空隙。"}},{"name":"HMAC label","description":"The white text “HMAC” above the monolithic architecture panel, moving left with the comparison layout.","membership":"Includes only the text; excludes the teal check mark and architecture panel.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":8,"evidence":"目标是单体架构面板上方、青绿色勾号右侧的白色“HMAC”文字，仅包含文字。0秒首帧已完整呈现，随后随比较布局左移，至12.75秒仍完整可见；13秒画面切换为令牌过期示意，目标消失。区间始于视频开头，没有更早的采样帧。选择8秒作为关键帧，文字清晰、无遮挡，且易与勾号和架构面板区分。","start_frame":0,"end_frame":312,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[244.8,200,297,227.8],"positive_points":[[246.4,207.4],[252.6,215.7],[259.9,205.6],[268.2,220.4],[278.1,205.6],[288.5,223.1]],"negative_points":[[208.3,213],[234.4,296.3],[270.8,166.7],[316.7,213]],"evidence":"目标是左侧单体架构面板上方的白色“HMAC”文字。边界框仅覆盖四个字母，正点分布在字母笔画上；负点位于左侧青色勾、下方面板标题以及文字上方和右侧的外部背景，排除勾和架构面板。"}},{"name":"Monolithic architecture diagram","description":"A white dashed rounded panel titled “Monolithic Architecture.” Its green deployment block contains “User Interface,” “Business Logic Layer,” “Data Interface,” a database cylinder, and connecting arrows, with a vertical “Single Deployable Entity” annotation.","membership":"Includes the dashed outer boundary and its enclosed area, title, green block, internal components, arrows, database, and deployment annotation. Excludes the HMAC label and check above it.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":13,"reference_s":0,"evidence":"目标是标题为“Monolithic Architecture”的白色虚线圆角面板，包含绿色部署块、三层接口/逻辑模块、数据库、箭头及竖排部署注释，不含上方HMAC文字和勾。首个合格帧为0秒，结构已完整，视频起点之前无采样帧；随后虽缩放并移向左侧，始终完整存在。最后合格帧为12.75秒，13秒已替换为令牌过期场景，目标消失。选择0秒作为关键帧，因为面板居中、完整且无其他架构面板干扰。","start_frame":0,"end_frame":312,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[393.2,278.7,608.3,813],"positive_points":[[500,315],[410,556],[519,405],[523,479],[519,552],[520,722]],"negative_points":[[530,235],[472,236],[370,560],[635,580]],"evidence":"目标是标题为“Monolithic Architecture”的白色虚线圆角面板。边界框紧贴虚线外缘，覆盖内部绿色部署块、各层组件、箭头、数据库及左侧竖排注释。正点分布于标题、注释及内部组件；负点位于上方排除的HMAC文字和勾号，以及面板左右外部背景。"}},{"name":"RSA or ECDSA approval check","description":"A teal check mark introduced above the right-hand microservice architecture panel, beside “RSA or ECDSA.”","membership":"Includes only the check mark's filled silhouette; excludes adjacent text and the panel below.","id":"obj_005","temporal":{"status":"found","start_s":2.25,"end_s":13.0,"reference_s":7.25,"evidence":"目标是右侧微服务架构面板上方、紧邻“RSA or ECDSA”的青绿色实心对勾。2.25秒首次出现完整的小尺寸旋转形态，后续缩放和旋转不影响纳入；2.00秒尚未出现。最后合格帧为12.75秒，13.00秒已切换到“Token expired”画面，对勾消失。选择7.25秒作为关键帧，此时对勾完整清晰，与左侧HMAC对勾及邻近文字容易区分。","start_frame":54,"end_frame":312,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[526.0,181.5,571.4,242.0],"positive_points":[[532.3,206.5],[538.5,217.6],[545.8,229.6],[550.5,216.7],[557.3,202.8],[564.1,191.7]],"negative_points":[[599,215],[621,300],[517,165],[584,252]],"evidence":"目标是右侧微服务架构面板上方、“RSA or ECDSA”左侧的青绿色对勾。边界框紧贴对勾的完整填充轮廓；六个正点分布在短臂、底部转折和上升长臂内，四个负点位于相邻文字、下方面板标题及外部深色背景，不包含对勾内部空隙。"}},{"name":"RSA or ECDSA label","description":"The white text “RSA or ECDSA” above the microservice architecture diagram.","membership":"Includes only the text; excludes the approval check and architecture panel.","id":"obj_006","temporal":{"status":"found","start_s":3.0,"end_s":13.0,"reference_s":8.0,"evidence":"目标为微服务架构图上方的白色文字“RSA or ECDSA”，不包括左侧勾号。3.00秒首次完整显示，前一帧2.75秒文字仍未揭示完毕；最后合格帧为12.75秒，随后13.00秒切换为令牌过期画面，目标消失。选择8.00秒作为关键帧，文字完整清晰、无遮挡，易于与勾号及下方面板区分。","start_frame":72,"end_frame":312,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[585.9,200,712.5,227.8],"positive_points":[[587.5,214.8],[604.2,202.8],[629.7,210.2],[654.2,214.8],[679.7,213],[706.3,202.8]],"negative_points":[[550,213],[620,300],[651,166.7],[734.4,216.7]],"evidence":"目标为微服务架构图上方的白色“RSA or ECDSA”文字。边界框紧贴完整文字，不含左侧绿色对勾或下方架构面板。六个正点分布在文字各部分的笔画上；负点位于对勾、下方面板标题及文字外侧背景。"}},{"name":"Microservice architecture diagram","description":"The wide dashed rounded panel introduced to the right of the monolith. Titled “Microservice Architecture,” it contains a gray field with “Microservice UI,” multiple microservice blocks, separate databases, arrows, a small users icon, API/message-queuing text, and a deployment annotation.","membership":"Includes the outer dashed boundary and its enclosed area, the title, gray surface, all service blocks, databases, connections, users icon, and annotations. Excludes the RSA or ECDSA label and check above it.","id":"obj_007","temporal":{"status":"found","start_s":3.25,"end_s":13.0,"reference_s":8.0,"evidence":"目标是单体架构右侧的宽虚线圆角面板，内有灰色底面及微服务、数据库和连接，不含上方 RSA or ECDSA 标签与勾号。3.25 秒首次具备完整外边界和灰色面板；前一帧 3.00 秒底部虚线仍未绘制完成。内部文字和组件随后继续出现，不延迟面板起点。最后合格帧为 12.75 秒，13.00 秒已切换为 Token expired 场景，面板消失。选择 8.00 秒为关键帧，此时内部组件齐全、边界清晰且无遮挡。","start_frame":78,"end_frame":312,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[374.5,261.1,877.1,838],"positive_points":[[620,299],[465,395],[739,398],[604,557],[739,731],[858,551]],"negative_points":[[649,212],[548,210],[258,557],[625,889]],"evidence":"目标是右侧标题为“Microservice Architecture”的宽幅虚线圆角面板。边界框紧贴外层虚线，覆盖其内部标题、灰色区域、服务模块、数据库、连接及部署注释。正点分布在标题、UI、服务块、数据库和右侧注释上；负点位于上方排除的算法标签和勾号、左侧单体架构以及面板下方背景。"}},{"name":"Token expired heading","description":"The white text “Token expired” above the device illustration that replaces the architecture comparison.","membership":"Includes only the text; excludes the red rejection symbol and device graphics below.","id":"obj_008","temporal":{"status":"found","start_s":14.5,"end_s":16.75,"reference_s":15.5,"evidence":"目标为设备插图上方的白色“Token expired”标题，仅包含文字。14.50秒文字首次完整显示，16.50秒为最后一个 qualifying 帧；此前14.25秒仅显示尚未揭示完整的“Token expir”，之后16.75秒标题已消失并切换为JWT图示。选择15.50秒作为关键帧，标题完整清晰，且无遮挡，易与下方红色拒绝符号和设备图形区分。","start_frame":348,"end_frame":402,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[451.6,290.7,547.4,316.7],"positive_points":[[455.7,295.4],[470.3,302.8],[485.4,300.9],[498.9,304.6],[513.5,310.2],[545.8,301.9]],"negative_points":[[500,263.9],[568.8,305.6],[500,387],[422.9,601.9]],"evidence":"目标是设备插图上方的白色“Token expired”标题。边界框紧贴完整文字，六个正点分布在不同字母笔画上；负点位于标题外围背景、下方红色拒绝符号及设备轮廓上，均不属于目标文字。"}},{"name":"Expired-token device illustration","description":"A red circle with a white X on a dashed connection leading to cyan outlines of a smartphone and desktop monitor.","membership":"Includes the red disk and its enclosed X, the dashed connector and endpoint dots, and the phone and monitor outlines with their enclosed areas. Excludes the separate “Token expired” heading and empty space between disconnected portions.","id":"obj_009","temporal":{"status":"found","start_s":15.5,"end_s":16.75,"reference_s":16.0,"evidence":"目标由红底白色 X、虚线及端点、青色手机和桌面显示器轮廓共同组成，不含标题。15.5 秒首次全部绘制完整，16.5 秒为最后合格帧；此前 15.25 秒显示器轮廓仍未绘制完成，此后 16.75 秒已切换为 JWT 图示。选择 16.0 秒作为关键帧，所有成员清晰完整、无遮挡。","start_frame":372,"end_frame":402,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[421.9,341.7,581.3,713.0],"positive_points":[[500,386.1],[436.5,453.7],[567.2,499.1],[445.3,633.3],[541.7,544.4],[541.7,615.7]],"negative_points":[[500,301.9],[395.8,620.4],[604.2,564.8],[562.5,342.6]],"evidence":"目标是红色圆盘白叉通过白色虚线连接青色手机和显示器的插图。边界框覆盖圆盘、虚线及端点、两台设备及底座，不含上方“Token expired”标题。正点分布在圆盘、连接线、端点和设备内部；负点位于标题及插图外部背景。"}},{"name":"JWT radial token emblem","description":"A multicolored segmented radial emblem introduced beneath a red hooded figure. It remains visible when the presentation changes from a compromised JWT to a refresh token.","membership":"Includes the colored radial segments and the central area enclosed by the overall ring-like pattern, following its notched outer outline. Excludes the hooded figure, yellow refresh arrows, and text below.","id":"obj_010","temporal":{"status":"found","start_s":19.0,"end_s":28.0,"reference_s":24.0,"evidence":"目标是红色兜帽人物下方的多彩分段放射状徽记，之后持续作为左侧刷新令牌徽记存在，不包含人物、黄色箭头或文字。19.0秒首次完整呈现；前一帧18.75秒右下彩色分段仍未完成展开。最后合格帧为27.75秒，视频于28.0秒结束，无后续帧。选择24.0秒作为关键帧，此时徽记轮廓清晰，且容易与右侧访问令牌徽记区分。","start_frame":456,"end_frame":672,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[342.7,414.8,444.3,557.4],"positive_points":[[366.7,439.8],[358.3,468.5],[365.6,534.3],[428.6,502.8],[422.9,532.4],[393.2,483.3]],"negative_points":[[445.8,365.7],[385.4,595.4],[582.3,468.5],[317.2,485.2]],"evidence":"目标是左侧“Refresh token”上方的多色放射状徽标。边界框紧贴彩色分段的外缘，包含中央区域，不包含黄色刷新箭头和下方文字。正点分布在彩色分段及中央区域；负点位于黄色箭头、下方文字、右侧另一徽标及左侧外部背景。"}},{"name":"Hooded attacker icon","description":"A small red line drawing of a hooded figure using a laptop, positioned over the upper-right side of the first JWT emblem.","membership":"Includes the figure and laptop linework and their enclosed areas; excludes the underlying token emblem and nearby labels.","id":"obj_011","temporal":{"status":"found","start_s":16.75,"end_s":20.5,"reference_s":19.5,"evidence":"目标是第一个 JWT 徽标右上方使用笔记本电脑的红色兜帽人物线描，不包括徽标及文字。16.75 秒首次出现时虽较小且倾斜，人物和电脑结构已完整；20.25 秒为最后一个符合条件的帧。此前 16.50 秒仍是 Token expired 场景；此后 20.50 秒人物已被刷新符号替换。选择 19.50 秒作为关键帧，因为人物清晰、姿态端正，便于与下方徽标区分。","start_frame":402,"end_frame":492,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[427.1,373.1,470.8,450.9],"positive_points":[[448.4,384.3],[448.4,408.3],[442.7,432.4],[459.4,436.1],[466.7,434.3],[431.8,433.3]],"negative_points":[[421.4,444.4],[438.0,468.5],[400.5,592.6],[485.4,401.9]],"evidence":"目标是 JWT 彩色徽标右上方的红色兜帽人物及笔记本电脑。边界框紧贴人物与电脑的全部可见轮廓；正点分布在兜帽、面部、身体及电脑的线条包围区域，负点位于下方彩色徽标、JWT 标签和右侧外部背景，均不包含在目标内。"}},{"name":"JWT Token label","description":"The white label “JWT Token” beneath the radial emblem during the compromised-token explanation.","membership":"Includes only the text; excludes the emblem and attacker icon.","id":"obj_012","temporal":{"status":"found","start_s":17.75,"end_s":20.5,"reference_s":19.5,"evidence":"目标是受攻击令牌示意中径向徽标下方的白色“JWT Token”文字，不包括徽标或攻击者图标。17.75秒首次完整显示，20.25秒为最后一个符合条件的帧；此前17.50秒仅显示未完成的“JWT Tok”，此后20.50秒已替换为刷新令牌说明文字。选择19.50秒作为关键帧，文字完整清晰且无遮挡。","start_frame":426,"end_frame":492,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[361.5,580.6,433.3,603.7],"positive_points":[[366.7,588.0],[374.0,596.3],[384.9,583.3],[397.9,583.3],[414.6,592.6],[431.3,592.6]],"negative_points":[[369.8,535.2],[448.4,416.7],[397.9,630.6],[572.4,574.1]],"evidence":"目标是彩色放射状徽标下方的白色“JWT Token”标签。边界框紧贴完整文字，正点分布在不同字母笔画上；负点位于被排除的徽标、攻击者图标、下方背景及右侧其他说明文字。"}},{"name":"Token misuse warning clock","description":"A yellow clock with a cyan outlined warning triangle and exclamation mark overlapping its upper-right edge, presented to the right of the compromised JWT.","membership":"Includes the clock boundary, enclosed face and hands, and the warning triangle with its enclosed mark. Excludes the explanatory text below.","id":"obj_013","temporal":{"status":"found","start_s":18.25,"end_s":20.5,"reference_s":19.5,"evidence":"目标是受损 JWT 右侧的黄色时钟，以及叠在其右上缘的青色警告三角形和感叹号，不含下方文字。18.25 秒首次完整呈现，20.25 秒为最后合格帧；此前 18.00 秒警告标记尚未完整显现，此后 20.50 秒已切换为刷新令牌和访问令牌图示。选择 19.50 秒作为关键帧，因为时钟和警告标记轮廓清晰、无遮挡。","start_frame":438,"end_frame":492,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[575.5,411.1,651.1,536.1],"positive_points":[[578.1,475],[601,533],[593.8,483.3],[613,501.9],[634.4,437],[643.8,438.9]],"negative_points":[[604.2,574.1],[562.5,481.5],[671.9,444.4],[435.4,502.8]],"evidence":"目标位于受损 JWT 图标右侧，由黄色时钟和叠在右上缘的青色警告三角形组成。边界框紧贴时钟与三角形的可见范围，不含下方说明文字。正点覆盖钟框、表盘、指针及警告符号；负点位于下方文字、外围背景和左侧 JWT 图标上。"}},{"name":"Usable until expiration text","description":"The white two-line statement “Can be used until it expires” beneath the warning clock.","membership":"Includes the complete text block only; excludes the clock, warning triangle, and token graphic.","id":"obj_014","temporal":{"status":"found","start_s":19.5,"end_s":20.5,"reference_s":19.75,"evidence":"目标是警告时钟下方的白色两行文字“Can be used until it expires”，不包括图标。19.5秒首次完整显示，20.25秒为最后一个符合条件的采样帧；前一帧19.25秒末尾文字仍未揭示完毕，后一帧20.5秒已切换为刷新令牌与短期访问令牌示意图，目标消失。选择19.75秒作为关键帧，文字完整清晰且无遮挡。","start_frame":468,"end_frame":492,"reference_frame":474},"grounding":{"status":"found","bbox_xyxy":[555.2,563,652.6,621.3],"positive_points":[[564.6,573.1],[594.8,572.2],[642.2,573.1],[557.3,605.6],[604.2,606.5],[647.9,612.0]],"negative_points":[[603.1,532.4],[634.9,441.7],[535.4,592.6],[665.6,608.3]],"evidence":"目标是警告时钟下方的白色两行文字“Can be used / until it expires”。边界框仅覆盖完整文字块；六个正点分布在两行字形笔画上，负点位于上方时钟、警告三角形及文字左右的外部背景，排除了其他图形。"}},{"name":"Refresh arrows symbol","description":"Yellow circular arrows around a small central ring, introduced over the upper-right portion of the left radial token emblem.","membership":"Includes the curved arrows, arrowheads, and central ring with its enclosed area. The open arrow paths remain open; excludes the underlying token emblem and label.","id":"obj_015","temporal":{"status":"found","start_s":21.25,"end_s":28.0,"reference_s":24.0,"evidence":"目标是左侧径向令牌图案右上方的黄色双向环形箭头及中央小圆环，不包括令牌和文字。21.25 秒时箭头弧线、箭头头部和圆环已完整建立；前一帧 21.00 秒仍在补全弧线。最后一个合格帧为 27.75 秒，目标持续完整显示至视频结束，之后没有采样帧。选择 24.00 秒作为关键帧，符号清晰，便于与下方令牌图案区分。","start_frame":510,"end_frame":672,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[414.1,361.1,478.1,461.1],"positive_points":[[443.8,364.8],[418.8,410.2],[472.4,411.1],[446.9,457.4],[436.9,411.1],[445.8,411.1]],"negative_points":[[369.8,444.4],[424.5,472.2],[390.1,600],[654.7,364.8]],"evidence":"目标是左侧令牌图案右上方的黄色刷新符号。边界框紧贴两条弧形箭头、箭头尖及中央小环；正点分布在箭头弧线、箭头尖、小环及其内部。负点位于下方彩色令牌、Refresh token 标签和右侧时钟上，均不属于目标。"}},{"name":"Refresh token label","description":"The white text “Refresh token” beneath the left radial emblem after the attacker illustration is removed.","membership":"Includes only the label text; excludes the token emblem, refresh arrows, and later clock below.","id":"obj_016","temporal":{"status":"found","start_s":21.5,"end_s":28.0,"reference_s":22.5,"evidence":"目标为左侧径向徽章下方的白色“Refresh token”文字，不含徽章或箭头。21.25秒文字仍为未完成的“Refresh toke”，21.5秒首次完整显示；此后持续出现，最后合格帧为27.75秒，区间延伸至视频末尾28秒，无后续帧。选择22.5秒作为关键帧，文字完整清晰、无遮挡，且与右侧标签易于区分。","start_frame":516,"end_frame":672,"reference_frame":540},"grounding":{"status":"found","bbox_xyxy":[345.3,583.3,442.7,606.5],"positive_points":[[347.4,594.4],[359.0,596.3],[389.6,594.4],[403.6,595.4],[418.8,591.7],[439.8,597.2]],"negative_points":[[393.8,564.8],[370.8,531.5],[446.9,412.0],[606.3,575.0]],"evidence":"目标是左侧彩色径向徽标下方的白色“Refresh token”文字。边界框紧贴整行标签；六个正点分布在两个单词的字形笔画上，负点位于文字上方背景、彩色徽标、刷新箭头及右侧另一标签，均排除在目标之外。"}},{"name":"Short-lived access token emblem","description":"A second multicolored segmented radial token emblem introduced to the right of the refresh token.","membership":"Includes its colored segments and the central area enclosed by the ring-like pattern, following the notched outline. Excludes the yellow clock overlapping its upper-right side and the label below.","id":"obj_017","temporal":{"status":"found","start_s":22.0,"end_s":28.0,"reference_s":24.0,"evidence":"目标是刷新令牌右侧的第二个多彩分段环状徽标，不包括���上方黄色时钟和下方文字。22.00秒首次显示完整彩色分段结构；前一帧21.75秒右侧分段仍在逐步绘制。最后 qualifying 帧为27.75秒，徽标仍完整可见，区间延续至视频结束28.00秒，无后续帧。选择24.00秒作为关键帧，此时轮廓清晰，与左侧刷新令牌易于区分。","start_frame":528,"end_frame":672,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[557.3,414.8,658.9,556.5],"positive_points":[[577.1,438.9],[570.8,502.8],[579.7,535.2],[607.3,486.1],[643.8,503.7],[632.3,532.4]],"negative_points":[[654.7,410.2],[575.5,575.9],[364.6,441.7],[692.7,510.2]],"evidence":"目标是右侧、Short-lived access token 标签上方的多色放射状徽标。边界框紧贴彩色分段的可见范围，不包含黄色时钟和下方文字。正点分布在彩色分段及其围合的中央区域；负点位于黄色时钟、下方标签、左侧另一徽标和右侧外部背景。"}},{"name":"Access-token lifetime clock","description":"A yellow outlined clock overlapping the upper-right side of the right-hand access-token emblem; its hands rotate through the sampled frames.","membership":"Includes the circular boundary, enclosed face, center, and hands. Excludes the underlying token emblem, label, and later dashed emphasis outline.","id":"obj_018","temporal":{"status":"found","start_s":21.25,"end_s":28.0,"reference_s":24.0,"evidence":"目标是右侧 access-token 徽标右上方的黄色轮廓时钟，包括圆形表盘、中心和旋转指针，不含徽标及后来出现的虚线框。21.25 秒首次完整呈现，虽尺寸较小但结构已齐全；紧邻的 21.0 秒尚无该时钟。最后合格帧为 27.75 秒，目标仍完整可见，区间延至视频结束 28.0 秒，无后续帧。选择 24.0 秒作为关键帧，时钟较大、轮廓清晰，且尚无虚线强调框干扰。","start_frame":510,"end_frame":672,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[627.6,362,682.3,459.3],"positive_points":[[654.7,367.6],[630.7,409.3],[679.2,413.9],[654.7,453.7],[654.7,402.8],[665.6,391.7]],"negative_points":[[640.1,472.2],[581.8,440.7],[608.3,608.3],[700,390.7]],"evidence":"目标是右侧访问令牌图标右上方叠放的黄色时钟。边界框紧贴时钟圆形外缘，包含表盘、中心和指针。正点分布在圆周、表盘及指针上；负点位于下方令牌图案、文字标签和右侧外部背景，均不包含在目标内。"}},{"name":"Short-lived access token label","description":"The white two-line label “Short-lived access token” beneath the right token emblem.","membership":"Includes the complete label text only; excludes the emblem, clocks, and surrounding dashed outline.","id":"obj_019","temporal":{"status":"found","start_s":22.0,"end_s":28.0,"reference_s":24.0,"evidence":"目标是右侧令牌图标下方白色两行文字“Short-lived access token”，不包括图标、时钟和虚线框。21.75秒文字仍未完全揭示，22.0秒首次完整显示；最后一个采样帧27.75秒仍完整可见，因此区间持续至视频结尾28.0秒，之后无采样帧。选择24.0秒作为关键帧，文字清晰且无遮挡。","start_frame":528,"end_frame":672,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[562.5,564.8,653.6,622.2],"positive_points":[[571.0,570.4],[597.9,574.1],[645.3,578.7],[565.6,615.7],[592.2,612.0],[650.5,613.0]],"negative_points":[[579.7,465.7],[654.7,368.5],[387.5,596.3],[606.8,661.1]],"evidence":"目标是右侧令牌图标下方的白色两行文字“Short-lived access token”。边界框紧密覆盖完整文字块，不含上方图标和时钟；六个正点分布在两行文字的字形笔画上，四个负点位于令牌图标、时钟、左侧标签及下方外部背景。"}},{"name":"Access-token expiration clock","description":"A separate white outlined clock introduced below the short-lived access-token label, with moving hands and a small yellow center.","membership":"Includes the circular boundary and enclosed face, hands, and center. Excludes the expiration text below and the surrounding dashed outline.","id":"obj_020","temporal":{"status":"found","start_s":25.75,"end_s":28.0,"reference_s":27.5,"evidence":"目标是“Short-lived access token”标签下方独立的白色圆框时钟，含指针和黄色中心，不包括下方到期文字及外围虚线框。25.50秒尚未出现，25.75秒圆框和内部结构已完整，之后仅缩放、移动和转动指针；最后合格帧为27.75秒。区间延续至视频结束28.00秒，无后续采样帧。选择27.50秒作为关键帧，此时时钟较大、轮廓清晰且无遮挡。","start_frame":618,"end_frame":672,"reference_frame":660},"grounding":{"status":"found","bbox_xyxy":[583.33,561.11,640.1,662.04],"positive_points":[[611.46,563.89],[585.42,604.63],[634.38,631.48],[611.46,611.11],[598.96,589.81],[606.77,641.67]],"negative_points":[[599.48,707.41],[513.54,600],[609.38,517.59],[653.65,603.7]],"evidence":"目标是短期访问令牌标签下方、到期说明上方的独立白色时钟。边界框紧��圆形外缘，包含表盘、指针和黄色中心。正点分布于圆周、表盘内部和中心；负点位于下方到期文字、外围虚线、上方标签及右侧背景，均不属于时钟。"}},{"name":"Access-token expiration value","description":"The white text “Expiration: ~15 min” beneath the lower white clock on the access-token side.","membership":"Includes the label and value as one text unit; excludes the clock and surrounding dashed outline.","id":"obj_021","temporal":{"status":"found","start_s":27.5,"end_s":28.0,"reference_s":27.5,"evidence":"目标是右侧 access-token 区域下方白色时钟 beneath 的白字“Expiration: ~15 min”，不含时钟及虚线框。27.25 秒文字仍在揭示，末尾尚未完整；27.5 秒首次完整显示，27.75 秒仍完整可见。区间延续至视频末尾 28.0 秒，无后续采样帧。选择 27.5 秒作为关键帧，文字清晰且无遮挡。","start_frame":660,"end_frame":672,"reference_frame":660},"grounding":{"status":"found","bbox_xyxy":[542.2,693.5,681.3,722.2],"positive_points":[[544.3,696.3],[554.2,706.5],[590.1,701.9],[619.8,704.6],[644.8,700],[657.8,708.3]],"negative_points":[[611.5,575],[709.5,688],[598,747],[526,702]],"evidence":"目标是右侧下方白色时钟 beneath 的“Expiration: ~15 min”白色文字，框覆盖完整标签和值。六个正点分布在文字笔画上；负点位于上方时钟、右侧及下方和左侧外部背景，排除时钟与虚线边框。"}},{"name":"Refresh-token expiration clock","description":"A white outlined clock introduced beneath the refresh-token label near the end, distinct from the white clock on the access-token side.","membership":"Includes its circular boundary, enclosed face, hands, and center. Excludes the refresh-token emblem and label above and the incomplete text appearing below.","id":"obj_022","temporal":{"status":"found","start_s":27.75,"end_s":28.0,"reference_s":27.75,"evidence":"目标是左侧“Refresh token”标签下方新出现的白色描边时钟，与右侧访问令牌的白色时钟不同。27.75秒时圆形边界、表盘、指针及中心均已完整呈现，是首个也是最后一个合格采样帧；此前27.50秒该位置尚无时钟。区间到达视频末尾，没有后续采样帧。选择27.75秒作为关键帧，目标清晰且无遮挡。","start_frame":666,"end_frame":672,"reference_frame":666},"grounding":{"status":"found","bbox_xyxy":[370.8,579.6,406.8,643.5],"positive_points":[[388.5,581.5],[371.9,608.3],[405.2,613.9],[388.5,640.7],[388.5,596.3],[380.7,621.3]],"negative_points":[[390.6,504.6],[308.3,708.3],[612.0,611.1],[427.1,666.7]],"evidence":"目标是左侧“Refresh token”标签下方的小白色时钟，与右侧访问令牌时钟区分。边界框紧贴其完整圆形外缘；正点分布在圆周、表盘内部和指针上，负点位于上方标签、下方未完成文字、右侧时钟及外部背景。"}}]}
+{"video_id":226,"video_type":"data and scientific visualization","targets":[{"name":"File-system heading","description":"Blue text “文件系统” introducing the upper comparison diagram.","membership":"Includes only the heading text; excludes the nearby branding and diagram.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":0,"evidence":"目标是上方对比图左侧的蓝色“文件系统”标题，不含其上方品牌标识。首个合格帧为0.00秒，最后合格帧为5.50秒；5.75秒标题已开始随图示淡出，6.00秒消失。区间起于视频开头，无更早采样帧。选择0.00秒为关键帧，标题完整清晰且无遮挡。","start_frame":0,"end_frame":138,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[37.5,103.7,146.4,148.1],"positive_points":[[48.4,114.8],[49.5,135.2],[79.2,125.9],[105.2,110.2],[104.7,137.0],[137.5,139.8]],"negative_points":[[77.6,67.6],[239.6,250.0],[23.4,125.9],[98.4,175.9]],"evidence":"目标是图像左上方、品牌标识下方的蓝色“文件系统”标题。边界框仅覆盖这四个字；六个正点分布在各字的笔画上，负点位于上方品牌、右下方图示及标题外围背景，排除这些非目标区域。"}},{"name":"Directory entry label","description":"The upper-left two-line label “目录项” and “hello.txt”, immediately beside the inode identifier box.","membership":"Includes both lines as one label-and-value unit; excludes the adjacent inode box and cache label below.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":1.5,"evidence":"目标是左上方紧邻 inode 编号框的两行“目录项”和“hello.txt”，不含编号框及下方缓存标签。首个合格帧为0.00秒，标签已完整呈现；视频起点前无采样帧。最后合格帧为5.50秒，5.75秒时标签开始随图示淡出，6.00秒已消失。选择1.50秒为关键帧，两行文字清晰完整、无遮挡，便于与相邻框区分。","start_frame":0,"end_frame":138,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[100.5,239.8,160.4,297.2],"positive_points":[[107.8,243.5],[128.6,253.7],[145.3,249.1],[102.6,287.0],[121.4,283.3],[157.3,287.0]],"negative_points":[[239.6,250.0],[130.2,439.8],[88.5,263.9],[132.3,324.1]],"evidence":"目标是 inode 标识框左侧的两行标签“目录项”和“hello.txt”。边界框紧包两行完整文字；六个正点分布在两行字形笔画上，负点位于右侧 inode 文字、下方缓存标签以及标签外部背景，均不包含在目标中。"}},{"name":"Inode identifier box","description":"Blue-outlined rectangle containing “inode:” and “323502413”, linking the directory entry to the upper lookup table.","membership":"Includes the rectangular boundary, enclosed surface, and text. Excludes the external connecting arrow and adjacent labels.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":1.0,"evidence":"目标是上方目录项右侧、查找表左侧的蓝色矩形框，内含“inode:”和“323502413”，不含外部箭头及相邻标签。首个合格帧为0.00秒，框体和文字已完整呈现；视频起点前无采样帧。最后合格帧为5.50秒，紧邻的5.75秒帧中目标开始变暗淡出，6.00秒已消失。选择1.00秒作为关键帧，目标边界与文字清晰且无遮挡。","start_frame":0,"end_frame":138,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[164.1,208.3,315.6,330.6],"positive_points":[[182.3,226.9],[239.1,250.0],[194.8,290.7],[287.5,290.7],[296.9,317.6],[172.4,319.4]],"negative_points":[[130.2,287.0],[323.4,268.5],[364.6,240.7],[239.6,370.4]],"evidence":"目标是目录项右侧、上方查询表左侧的蓝色矩形，内含“inode:”和“323502413”。边界框紧贴矩形外缘，包含边框、内部表面及文字。正点分布于框内文字和表面；负点位于左侧目录项标签、右侧外部连接箭头、查询表及框下方背景，均不属于目标。"}},{"name":"Inode-to-disk-block table","description":"Upper blue two-column table headed “inode” and “disk block”, with three mappings to blocks 18, 37, and 211.","membership":"Includes the table boundary, all cells, grid lines, headers, and values. Excludes the page-cache box below and the external arrows.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":1.5,"evidence":"目标为画面上方蓝色两列表格，表头为“inode”和“disk block”，三行映射对应18、37、211，不含下方页缓存框及外部箭头。首个合格帧为0秒，表格已完整建立；视频起点之前无采样帧。最后合格帧为5.5秒，紧邻的5.75秒帧已开始淡出，6秒时消失。选择1.5秒作为关键帧，表格边界、网格、表头及数值清晰且无遮挡。","start_frame":0,"end_frame":138,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[331.8,131.5,597.9,406.5],"positive_points":[[403,167],[536,167],[400,236],[537,302],[405,371],[539,371]],"negative_points":[[465,440],[618,269],[240,288],[622,440]],"evidence":"目标是图像上方标有“inode”和“disk block”的蓝色双列表格，包含映射值18、37、211。边界框紧贴表格外框，覆盖全部单元格、网格线、表头及数值。正点分布于两列表头和三行数据；负点位于下方页缓存框、右侧外部箭头、左侧独立inode框及表格外背景，均不属于目标。"}},{"name":"Disk-block array","description":"Upper-right array of blue-outlined squares, with one square filled gold to indicate a selected disk block.","membership":"Includes all square boundaries and enclosed areas in this array, including the selected square. Excludes the incoming arrow and the lower green array.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":2,"evidence":"目标是右上方的蓝色方格阵列，其中一个方格填充金色；不包括左侧箭头或下方绿色阵列。首个合格帧为0.00秒，阵列已完整呈现，视频起点前无采样帧。最后合格帧为5.50秒；紧邻的5.75秒帧中阵列已开始淡出，6.00秒消失。选择2.00秒作为关键帧，阵列边界清晰、无遮挡，金色选中格易于辨认。","start_frame":0,"end_frame":138,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[636.98,175,855.21,362.96],"positive_points":[[647.92,193.52],[816.15,195.37],[703.65,294.44],[845.31,244.44],[647.92,343.52],[788.54,344.44]],"negative_points":[[619.27,268.52],[703.65,657.41],[880.21,294.44],[536.46,234.26]],"evidence":"目标是右上方四行八列的蓝色方框阵列，其中第三行第三格为金色选中块。边界框紧贴整个阵列的外缘；正点分布在不同方格的内部并包含金色块，负点位于左侧传入箭头、下方绿色阵列、右侧背景及左侧表格，均不属于目标。"}},{"name":"Directory-entry cache box","description":"Small blue-outlined box labeled “目录项缓存” beneath the directory entry.","membership":"Includes the box boundary, enclosed surface, and label; excludes surrounding diagram elements.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":1.5,"evidence":"目标是目录项下方、标有“目录项缓存”的蓝色描边小框，包含边界、内部表面和文字。首个合格帧为0.00秒，已完整呈现；视频从此开始，无更早采样帧。最后合格帧为5.50秒，紧邻的5.75秒帧中该框已开始随图示淡出，6.00秒消失。选择1.50秒作为关键帧，框体及标签清晰完整，无遮挡，易与旁边的inode缓存框区分。","start_frame":0,"end_frame":138,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[95.3,407.4,166.7,472.2],"positive_points":[[101.6,417.6],[160.4,418.5],[103.6,457.4],[158.9,461.1],[121.4,440.7],[144.8,440.7]],"negative_points":[[85.9,438.0],[179.7,439.8],[129.2,492.6],[234.4,440.7]],"evidence":"目标是目录项下方标有“目录项缓存”的蓝色小矩形框。边界框紧贴其外轮廓，包含蓝色边界、内部表面及完整标签；正点分布于框内表面和文字，负点位于框外背景及右侧独立的 inode 缓存框。"}},{"name":"Inode cache box","description":"Small blue-outlined box labeled “inode 缓存” beneath the inode identifier.","membership":"Includes the box boundary, enclosed surface, and label; excludes the identifier box above.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":1.5,"evidence":"目标是 inode 标识框下方、标有“inode 缓存”的小蓝色描边框，包含边框、内部表面和文字。首个合格帧为0秒，已完整显示；视频起点之前无采样帧。最后合格帧为5.50秒，紧邻的5.75秒帧中该框随图示开始淡出，6.00秒已消失。选择1.50秒作为关键帧，目标清晰完整且无遮挡，易与上方标识框区分。","start_frame":0,"end_frame":138,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[204.2,407.4,275.5,472.2],"positive_points":[[208.9,416.7],[269.8,417.6],[217.2,441.7],[254.2,440.7],[211.5,462.0],[267.7,462.0]],"negative_points":[[239.6,287.0],[130.2,439.8],[463.0,439.8],[239.1,502.8]],"evidence":"目标是 inode 标识框下方、标有“inode 缓存”的小蓝色矩形框。边界框紧贴其外边界，包含框线、内部表面和标签；正点分布于内部表面及文字，负点位于上方标识框、左右其他缓存框及下方外部背景。"}},{"name":"Page-cache box","description":"Small blue-outlined box labeled “页缓存”, directly beneath the inode-to-disk-block table.","membership":"Includes its rectangular boundary, enclosed surface, and label. Excludes the table above.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":1.0,"evidence":"目标是 inode 到 disk block 表格正下方标有“页缓存”的蓝色小矩形框，包含边框、内部表面和标签。首个合格帧为0.00秒，已完整显示；末个合格帧为5.50秒。5.75秒该框随图示开始淡出，6.00秒已消失。区间起点为视频开头，无更早采样帧。选择1.00秒作为关键帧，目标清晰完整且无遮挡。","start_frame":0,"end_frame":138,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[429.2,407.4,500.5,472.2],"positive_points":[[435.4,416.7],[493.8,418.5],[436.5,460.2],[492.7,460.2],[450.5,440.7],[478.6,441.7]],"negative_points":[[463.5,370.4],[411.5,443.5],[516.1,444.4],[464.1,507.4]],"evidence":"目标是 inode 与 disk block 表格正下方标有“页缓存”的蓝色小矩形框。边界框紧贴其外缘，包含边框、内部表面及文字；正点分布在框内表面和标签上，负点位于上方表格及框外左右、下方背景。"}},{"name":"Virtual-memory heading","description":"Green text “虚拟内存” introducing the lower comparison diagram.","membership":"Includes only the heading text; excludes the virtual-page box and other graphics below.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":1.5,"evidence":"目标是下方对比图左上方的绿色“虚拟内存”标题，仅包含文字。0.00秒已完整显示，视频起点之前无采样帧；最后符合条件的帧为5.50秒。5.75秒标题开始随图示淡出，6.00秒消失。选择1.50秒作为关键帧，标题清晰完整、无遮挡，且与下方图形易于区分。","start_frame":0,"end_frame":138,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[38,565.7,146.4,609.3],"positive_points":[[50,571.3],[70.3,588],[85.4,599.1],[97.4,593.5],[109.9,593.5],[134.4,597.2]],"negative_points":[[90,535],[169,584],[90,644],[148,705]],"evidence":"目标是下方对比图左上方的绿色“虚拟内存”标题，边框仅覆盖这四个字。六个正点分布在标题字形笔画上；负点位于标题上方、右侧、下方背景及下方虚拟页号框的文字上，排除其他图形和文字。"}},{"name":"Virtual-page identifier box","description":"Lower-left green-outlined rectangle containing “虚拟页号:” and “0x004a7f2”.","membership":"Includes the rectangular boundary, enclosed surface, and both text lines. Excludes arrows extending toward the TLB and page table.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":1,"evidence":"目标是左下方绿色矩形框，包含“虚拟页号:”和“0x004a7f2”，不含右侧箭头。首个合格帧为0秒，框体和两行文字已完整呈现；视频起点之前无采样帧。最后合格帧为5.50秒，紧邻的5.75秒帧中目标已开始淡出，6.00秒消失。选择1.00秒作为关键帧，目标边界清晰、文字完整且无遮挡。","start_frame":0,"end_frame":138,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[73.96,664.81,222.92,798.15],"positive_points":[[83.33,685.19],[197.92,681.48],[111.98,705.56],[180.21,757.41],[84.38,782.41],[210.94,782.41]],"negative_points":[[281.25,675.93],[295.31,731.48],[87.5,590.74],[59.9,743.52]],"evidence":"目标为左下方包含“虚拟页号:”和“0x004a7f2”的绿色矩形框。边界框紧贴矩形外缘，包含边框、内部表面及两行文字；正点分布于框内表面和文字，负点位于框外背景、上方标题、指向页表的箭头及TLB处，排除外接箭头。"}},{"name":"TLB box","description":"Small green-outlined box labeled “TLB” between the virtual-page identifier and the lower mapping table. A red cross is drawn over it during the miss demonstration.","membership":"Includes the box boundary, enclosed surface, and TLB label. Excludes the overlaid red cross and external arrows.","id":"obj_011","temporal":{"status":"found","start_s":0.0,"end_s":5.75,"reference_s":0.0,"evidence":"目标是下方虚拟页号框与映射表之间、标有“TLB”的绿色边框小框，不包括红叉和外部箭头。首个合格帧为0.00秒，框体和文字已完整建立；末个合格帧为5.50秒，5.75秒开始随示意图淡出。区间起点即视频开头，无更早采样帧。选择0.00秒作为关键帧，此时TLB文字清楚，尚未被红叉明显遮挡。","start_frame":0,"end_frame":138,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[266.1,698.1,326.6,765.7],"positive_points":[[278.6,709.3],[317.7,713.0],[281.3,731.5],[299.0,731.5],[314.6,754.6],[274.0,751.9]],"negative_points":[[247.4,731.5],[334.4,731.5],[182.3,753.7],[375.0,694.4]],"evidence":"目标是下半部虚拟页号框与映射表之间标有“TLB”的绿色小框。边界框紧贴其外边界，包含框内表面和文字；正点分布于框内表面及标签，避开左上角红色叠加痕迹。负点位于左右外部箭头、左侧虚拟页号及右侧映射表，均不属于目标。"}},{"name":"Virtual-to-physical page table","description":"Lower green two-column table headed “虚拟页号” and “物理页号”, mapping three hexadecimal page numbers to 18, 37, and 211.","membership":"Includes the table boundary, enclosed cells, grid lines, headers, and values. Excludes external arrows and overlaid subtitles.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":5.0,"evidence":"目标为下方绿色两列表格，表头为“虚拟页号”“物理页号”，三行十六进制页号对应18、37、211。首个合格帧为0.00秒，表格已完整建立；视频起点之前无采样帧。最后合格帧为5.50秒，5.75秒表格开始整体淡出，6.00秒已消失。选择5.00秒作为关键帧，表格边界、网格及数值清晰，字幕对表格内容遮挡较少。","start_frame":0,"end_frame":138,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[341.7,586.1,588.1,876.9],"positive_points":[[409,622],[534,622],[401,693],[534,694],[410,768],[534,837]],"negative_points":[[617,731],[296,731],[648,757],[394,875]],"evidence":"目标是下方绿色双列表格，表头为“虚拟页号”和“物理页号”，三行映射值对应18、37、211。框覆盖表格外边界、内部单元格及文字；正点分布于两列表头和数据行，负点位于外部箭头、TLB框、右侧方格及遮挡表格底部的字幕上。"}},{"name":"Physical-page array","description":"Lower-right array of green-outlined squares receiving the output of the virtual-to-physical page table.","membership":"Includes the boundaries and enclosed areas of all squares in this lower array. Excludes the incoming arrow and the upper blue disk-block array.","id":"obj_013","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":1.5,"evidence":"目标为右下方接收虚拟页表输出的绿色方格阵列，不包括左侧箭头和上方蓝色阵列。首个合格帧为0.00秒，阵列已完整建立；视频起点前无采样帧。最后合格帧为5.50秒，紧邻的5.75秒帧中阵列已开始淡出，6.00秒消失。选择1.50秒作为关键帧，全部方格边界清楚且无遮挡。","start_frame":0,"end_frame":138,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[636.98,637.96,855.21,825.93],"positive_points":[[647.92,656.48],[843.75,655.56],[703.13,706.48],[788.02,755.56],[646.88,805.56],[844.79,808.33]],"negative_points":[[619.79,731.48],[703.13,292.59],[532.29,763.89],[877.6,740.74]],"evidence":"目标是右下方接收虚拟页到物理页映射输出的绿色方格阵列，共四行八列。框紧贴整个阵列的最外侧边界；正点分散在不同位置方格的内部，负点位于左侧输入箭头、上方蓝色阵列、左侧页表及右侧外部背景，均不包含在目标内。"}},{"name":"Subtitle block","description":"Large white Chinese subtitles with black outlines across the lower center, changing from the cost of a TLB miss to disk access, file-size distribution, and file-system design.","membership":"Includes the currently displayed subtitle text and its black outline as one continuously updating text block. Excludes diagrams, charts, and panels behind it.","id":"obj_014","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":6,"evidence":"目标是画面下方中央带黑色描边的大号白色字幕，文字持续更新，独立于背景图表和面板。首个合格帧为0.00秒，最后为15.75秒，整个采样序列中字幕均完整显示，构成同一连续更新字幕块。区间到达视频起点和终点，两端均无外侧采样帧。选择6.00秒作为关键帧，此时字幕“它仍然不在一个量级上”完整清晰，背景图表已消失，便于区分和标注。","start_frame":0,"end_frame":384,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[342.7,850.9,658.3,909.3],"positive_points":[[359.4,898.1],[391.1,862],[453.6,862],[515.1,878.7],[579.2,882.4],[641.1,900]],"negative_points":[[320,877],[682,877],[504,823],[506,942]],"evidence":"目标是画面下方居中的白字黑边字幕“它仍然不在一个量级上”。边界框紧贴整行文字及其黑色描边；六个正点分布在不同汉字的笔画上，四个负点位于字幕左右及上下的外部背景。"}},{"name":"TLB-miss cross","description":"Red diagonal strokes progressively forming an X across the TLB box, explicitly depicting a cache miss.","membership":"Includes only the red strokes, retaining their actual shape. Excludes the TLB box, its text, and the green bypass arrow.","id":"obj_015","temporal":{"status":"found","start_s":0.5,"end_s":5.75,"reference_s":0.5,"evidence":"目标是覆盖 TLB 框的两条红色对角线组成的 X，仅包含红色笔画。0.25 秒时第二条笔画尚未绘制完成，0.5 秒首次形成完整 X；5.5 秒为最后完整显示帧，5.75 秒已开始淡出。选择 0.5 秒作为关键帧，此时红叉清晰完整，绿色绕行箭头尚未出现，便于单独标注。","start_frame":12,"end_frame":138,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[267.7,699.1,324.5,763],"positive_points":[[271.4,704.6],[288.5,725],[320.3,758.3],[271.4,758.3],[289.1,738],[320.8,704.6]],"negative_points":[[245.8,731.5],[308.3,731.5],[296.9,680.6],[333.3,731.5]],"evidence":"目标是图像下半部 TLB 框上表示缓存未命中的红色叉号。边界框紧贴两条红色斜线；六个正点分布在两条斜线的不同位置，负点位于被排除的 TLB 文字、两侧绿色箭头及框外背景上。"}},{"name":"TLB bypass arrow","description":"Green curved arrow progressively drawn from the virtual-page identifier over the crossed-out TLB toward the page table.","membership":"Includes the curved shaft and arrowhead only. The curve remains open; excludes the space beneath it and the boxes it connects.","id":"obj_016","temporal":{"status":"found","start_s":1.0,"end_s":5.75,"reference_s":2.0,"evidence":"目标是从虚拟页号框上方绕过被红叉划掉的 TLB、指向页表的绿色开放曲线箭头，仅包括曲线箭身和箭头头部。1.00 秒首次完整显示，5.50 秒为最后合格帧；此前 0.75 秒曲线仍在绘制、箭头头部尚未完整出现，此后 5.75 秒已开始淡出。选择 2.00 秒作为关键帧，箭身及头部清晰，与所连接的框体容易区分。","start_frame":24,"end_frame":138,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[221.4,674.1,342.7,733.3],"positive_points":[[230.7,713.9],[246.9,691.7],[269.8,677.8],[292.7,677.8],[311.5,688.0],[331.8,712.0]],"negative_points":[[295.3,731.5],[207.3,755.6],[355.2,693.5],[280.2,648.1]],"evidence":"目标是从左下虚拟页号框出发、越过被划掉的TLB并指向页表的绿色弧形箭头。框仅覆盖弯曲箭杆和箭头；六个正点分布于弧线及箭头上，负点位于被排除的TLB、虚拟页号框、页表和上方外部背景。"}},{"name":"File-size cumulative-distribution chart","description":"Large chart appearing after the comparison diagrams. Gray axes and file-size labels support a blue rising curve that levels off, with three square markers and annotations “8 KB 48.4%”, “512 KB 91.3%”, and “32 MB 99.7%”.","membership":"Includes the plotting area, axes, axis labels, blue curve, three data markers, dashed guides, and their value annotations throughout their reveal and updates. The separately identified formula within the plotting area remains within the chart's region. Excludes the independent title block above, subtitles, and background watermarks. Brief marker-enlargement emphasis is excluded.","id":"obj_017","temporal":{"status":"found","start_s":8.75,"end_s":14.75,"reference_s":11.0,"evidence":"通过灰色坐标轴、蓝色累积分布曲线及三个标注“8 KB 48.4%”“512 KB 91.3%”“32 MB 99.7%”识别该图表。8.75秒首次完整呈现曲线、标记、虚线引导线及数值标注；前一帧8.50秒尚未出现三个标记及其标注。最后合格帧为14.50秒，14.75秒图表已消失。选择11.00秒作为关键帧，此时图表清晰完整，标记无放大强调，便于排除上方独立标题、字幕及背景水印。","start_frame":210,"end_frame":354,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[71.4,181.5,877.1,905.6],"positive_points":[[365.3,549.1],[551.6,331.5],[738.0,288.9],[233.0,715.7],[416.7,250.0],[78.1,467.6]],"negative_points":[[502.1,56.5],[496.9,881.5],[932.3,516.7],[36.5,695.4]],"evidence":"根据蓝色累积分布曲线、三个方形数据标记及对应数值识别图表。框覆盖绘图区、公式、坐标轴、轴标签、虚线和数值注释，包含底部可见轴说明；不包含上方独立标题、底部中文字幕和背景水印。正点分布于三个标记、曲线、公式及纵轴文字；负点位于独立标题、中文字幕和图表外背景。"}},{"name":"Cumulative-distribution title block","description":"Centered heading “文件大小的累积分布” with the green subtitle “Positive-size files · log2 size scale” above the chart.","membership":"Includes both title lines as one coherent text block. Excludes the plot, formula, and branding.","id":"obj_018","temporal":{"status":"found","start_s":7.75,"end_s":14.75,"reference_s":11.0,"evidence":"目标为图表上方居中的两行标题：白色“文件大小的累积分布”和绿色“Positive-size files · log2 size scale”，不含品牌、公式及曲线。7.50秒英文副标题仍在逐步显示，7.75秒两行文字首次完整呈现；最后合格帧为14.50秒，14.75秒标题已消失。选择11.00秒作为关键帧，两行标题完整清晰、无遮挡，便于独立标注。","start_frame":186,"end_frame":354,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[373.9,33.3,626,112.1],"positive_points":[[382.8,50.9],[444.3,55.6],[613.5,54.6],[375.5,97.2],[523.9,96.3],[622.4,101.9]],"negative_points":[[156.3,64.8],[416.7,225.9],[500,152.8],[552.1,331.5]],"evidence":"目标为图表上方居中的白色“文件大小的累积分布”及绿色英文副标题。边界框紧贴两行文字的整体范围；六个正点分布在两行的字形笔画上，四个负点位于左上品牌、下方公式、标题外背景及曲线标记处，均不属于标题块。"}},{"name":"Cumulative-distribution formula","description":"White mathematical expression progressively revealed in the upper-left plotting area: “F(x) = Φ((ln x − 2.200001) / 2.964284)”, displayed with a stacked fraction.","membership":"Includes all mathematical characters, parentheses, and the fraction bar. Excludes the chart curve, axes, and background.","id":"obj_019","temporal":{"status":"found","start_s":9.5,"end_s":14.75,"reference_s":12.0,"evidence":"目标是绘图区左上方的白色累积分布公式 F(x)=Φ((ln x−2.200001)/2.964284)，含完整括号和堆叠分数。首个完整帧为9.50秒，9.25秒时分母及右括号仍未揭示完成；最后合格帧为14.50秒，14.75秒公式已消失。选择12.00秒作为关键帧，公式清晰完整、无遮挡，易与曲线和坐标轴区分。","start_frame":228,"end_frame":354,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[204.7,196.3,514.1,302.8],"positive_points":[[212.0,233.3],[299.5,247.2],[337.5,215.7],[411.5,249.5],[374.0,287.0],[511.8,250.0]],"negative_points":[[260.0,170.0],[435.0,330.0],[551.6,331.5],[116.7,426.0]],"evidence":"目标是绘图区左上方的白色累积分布公式，包含F(x)、Φ、完整堆叠分式及括号。边界框紧贴公式整体；六个正点分布在字母、分子、分母、分数线和右括号上，负点位于公式外背景、曲线标记和纵轴上。"}},{"name":"Positive-size-files note","description":"Small green note “Positive-size files only” beneath the right portion of the chart, partly covered by subtitles during its appearance.","membership":"Includes the note's text only; excludes overlaid subtitles and neighboring chart graphics.","id":"obj_020","temporal":{"status":"found","start_s":9.5,"end_s":14.75,"reference_s":9.5,"evidence":"目标是图表右下方绿色小字“Positive-size files only”，不包括上方标题或覆盖它的字幕。9.25秒文字尚在淡入，9.5秒已完整呈现；最后合格帧为14.5秒，14.75秒图表及该注记已消失。选择9.5秒作为关键帧，此时文字清晰，字幕仅遮挡左侧部分。","start_frame":228,"end_frame":354,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[615.6,877.8,775.5,904.6],"positive_points":[[656.3,889.8],[698.4,894.4],[712.5,882.4],[725,888.9],[748.4,887],[770.8,894.4]],"negative_points":[[638.5,871.3],[681.3,837],[728,935],[792,883]],"evidence":"目标是图表右下方绿色的“Positive-size files only”注释，左部被白色字幕遮挡。框覆盖该注释可见文字的范围；正点分布在露出的绿色字形上，负点位于遮挡字幕、邻近横轴标签及框外背景，不包含上方标题或图表线条。"}},{"name":"Hardware section panel","description":"Wide dark rounded rectangle emerging at the center during the final transition, eventually revealing the large Chinese text “硬件” against a light-gray surrounding slide.","membership":"Includes the rounded panel's boundary, enclosed surface, and revealed text. Excludes surrounding hatch marks, decorative dots and lines, branding, and the subtitles below.","id":"obj_021","temporal":{"status":"found","start_s":15.5,"end_s":16.0,"reference_s":15.75,"evidence":"目标是结尾浅灰色幻灯片中央的深灰色圆角宽面板，随后内部出现“硬件”。15.25秒仍处于过渡显现阶段，15.5秒面板边界和表面完整建立；最后合格帧为15.75秒，内部文字变化不影响面板连续性。选择15.75秒作为关键帧，圆角边界清晰且“硬件”便于识别。区间延续至视频结束，之后没有采样帧。","start_frame":372,"end_frame":384,"reference_frame":378},"grounding":{"status":"found","bbox_xyxy":[265.1,281.5,735.4,718.5],"positive_points":[[298,343],[674,350],[379,479],[572,497],[318,649],[684,644]],"negative_points":[[227,463],[500,240],[771,550],[495,880]],"evidence":"目标为画面中央显露“硬件”文字的深色圆角面板。框紧贴面板外缘，包含其表面和文字；正点分布于面板各部分及文字上，负点位于面板外的浅灰背景和下方字幕上，不包含外围装饰或品牌标识。"}}]}
+{"video_id":227,"video_type":"data and scientific visualization","targets":[{"name":"Tornado distribution map","description":"The Tornado Archive map occupying the upper portion of the initial page. It shows labeled U.S. states and colored tornado tracks, updates from May 23, 2008 to April 26, 1991, and zooms toward Kansas and Oklahoma.","membership":"Include the complete bounded map surface, geographic features, labels, colored tornado markers and tracks, and in-map header and attribution overlays. Exclude browser chrome and the controls and histogram below the map.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":3.5,"evidence":"目标是页面上方完整有界的 Tornado Archive 地图，含美国州界、地名、彩色龙卷风轨迹及地图内标题和署名。首个合格帧为0.00秒，此前无采样帧；日期更新及向堪萨斯、俄克拉何马缩放期间，地图容器持续完整。最后合格帧为4.75秒，紧邻的5.00秒已切换为 Tornado Project 文字页面，目标消失。选择3.50秒作为关键帧，地图边界清晰、轨迹可辨且遮挡很少。","start_frame":0,"end_frame":120,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[0,115.74,1000,714.81],"positive_points":[[57,149],[243,425],[520,524],[687,395],[916,266],[854,701]],"negative_points":[[421,91],[596,45],[399,733],[507,854]],"evidence":"目标是浏览器下方显示美国州界、地名和彩色龙卷风路径的完整地图。边界覆盖地图表面及内部标题、标志和底部归属信息，止于下方控制栏上缘。正点分布在地图标志、地理区域、龙卷风路径和归属信息上；负点位于浏览器栏、地图下方控制栏及直方图中。"}},{"name":"Tornado event totals","description":"The compact text summary in the map's upper-right corner, labeled \"Number of Tornadoes\", \"Fatalities\", and \"Injuries\". Its values update with the selected date.","membership":"Include all three labels and their corresponding values as one text block. Exclude the translucent backing and underlying map graphics.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":3.5,"evidence":"目标是地图右上角由“Number of Tornadoes”“Fatalities”“Injuries”及对应数值组成的三项统计文本，不包含半透明背景。首个合格帧为0.00秒，最后为4.75秒；期间日期切换导致数值更新，但文本块持续存在。视频开头没有更早的采样帧；5.00秒已切换至Tornado Project网页，目标消失。选择3.50秒作为关键帧，此时三项标签和数值55、21、313清晰完整且无遮挡。","start_frame":0,"end_frame":120,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[861.5,119.4,996.4,161.1],"positive_points":[[879.2,127.8],[937.0,127.8],[992.2,128.7],[863.5,151.0],[937.5,151.9],[992.3,152.0]],"negative_points":[[942.7,171.3],[843.8,135.2],[916.7,216.7],[942.7,88.9]],"evidence":"目标位于地图右上角，两行文字显示“Number of Tornadoes: 55”“Fatalities: 21”和“Injuries: 313”。边界框紧贴全部标签及数值；六个正点分布在两行文字笔画上，负点位于文字块外的衬底、地图和浏览器区域，不包含半透明背景。"}},{"name":"Temporal date input","description":"The long bordered date-entry field above the histogram. It initially contains a \"May 23, 2008\" chip, receives the typed text \"april 26 1991\", and then displays an \"Apr 26, 1991\" chip.","membership":"Include the input's boundary, interior, selected-date chip, entered text, placeholder, and the \"Press ENTER to apply\" instruction when visible. Exclude the adjacent \"Surprise Me\" button and \"Show\" controls.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":2.75,"evidence":"目标是直方图上方、位于“Surprise Me”按钮与“Show”控件之间的长边框日期输入框。首个合格帧为0.00秒，框体已完整显示；随后输入文字及日期芯片变化不影响其连续存在。最后合格帧为4.75秒，5.00秒页面切换为Michigan Tornadoes，输入框消失。区间从视频起点开始，无更早采样帧。选择2.75秒作为关键帧，边框清晰，且同时显示原日期芯片、完整输入“april 26 1991”和“Press ENTER to apply”提示。","start_frame":0,"end_frame":120,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[292.2,752.8,660.9,780.6],"positive_points":[[315.6,766.7],[389.6,766.7],[443.2,766.7],[508.9,767.6],[583.3,766.7],[646.9,768.5]],"negative_points":[[254.2,766.7],[682.3,766.7],[141.7,730.6],[520.8,833.3]],"evidence":"目标是直方图上方的长条日期输入框，内含“May 23, 2008”日期标签、已输入的“april 26 1991”和右侧“Press ENTER to apply”提示。边界框紧贴整个输入框，六个正点分布于日期标签、输入文字、内部表面及提示区域；负点位于框外的“Surprise Me”按钮、“Show”控件、Temporal栏及下方直方图。"}},{"name":"Hourly tornado histogram","description":"The stacked multicolored bar chart across the bottom of the Tornado Archive page, showing tornado counts over hourly UTC ticks. Its bars and date labels update when April 26, 1991 is selected.","membership":"Include the plotting rectangle, grid, stacked bars, selection shading and boundaries, axis ticks, date labels, vertical count label, and the adjacent \"Rating:\" color legend. Exclude the date-entry row, navigation tabs, and loading status.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":3.5,"evidence":"目标是 Tornado Archive 页面底部的小时龙卷风堆叠柱状图，包含网格、选择阴影及边界、坐标刻度、日期、纵轴计数标签和右侧 Rating 色标，不含上方日期输入行与导航栏。首个合格帧为0秒，图表已完整显示；最后合格帧为4.75秒。3.25秒起柱形和日期更新为1991年4月26日，仍是同一图表。5秒切换至 Tornado Project 页面，图表消失；起点之前无采样帧。选择3.5秒作为关键帧，图表及色标完整清晰、无遮挡。","start_frame":0,"end_frame":120,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[9.9,785.2,999,975],"positive_points":[[171,853],[464,887],[585,880],[854,866],[980,870],[486,965]],"negative_points":[[475,767],[388,731],[703,650],[555,92]],"evidence":"目标是页面底部的逐小时龙卷风堆叠柱状图。框覆盖绘图区、网格、彩色柱、选择阴影及边界、刻度、日期标签、左侧计数标题和右侧“Rating:”图例。正点分布在绘图区、柱体、日期文字及图例上；负点位于排除的日期输入行、导航标签、上方地图和浏览器栏。"}},{"name":"Michigan tornado page title","description":"The centered bold heading \"Michigan Tornadoes 1950-2012\" beneath the yellow Tornado Project site banner on the subsequently displayed page.","membership":"Include only the complete heading text. Exclude the site banner, white page backing, and explanatory paragraphs below.","id":"obj_005","temporal":{"status":"found","start_s":5.0,"end_s":6.25,"reference_s":5.0,"evidence":"目标为黄色 Tornado Project 横幅下方居中的粗体标题“Michigan Tornadoes 1950-2012”，仅包含标题文字。首个合格帧为5.00秒，最后合格帧为6.00秒，此时页面虽向上滚动，标题仍完整可见。前一帧4.75秒显示地图页面，尚无该标题；后一帧6.25秒标题已滚出画面。选择5.00秒作为关键帧，标题完整清晰且无遮挡。","start_frame":120,"end_frame":150,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[369.8,414.8,604.2,438.9],"positive_points":[[371.4,425],[407.8,425.9],[442.7,417.6],[486.5,425],[527.1,423.1],[599.5,428.7]],"negative_points":[[483.3,359.3],[336.5,425],[622.9,423.1],[468.8,473.1]],"evidence":"目标是黄色网站横幅下方居中的粗体标题“Michigan Tornadoes 1950-2012”。边界框仅覆盖完整标题文字；六个正点分布在标题字母和年份笔画上，负点位于上方横幅、左右白色页底及下方说明段落，均不属于标题。"}},{"name":"Michigan tornado data instructions","description":"The multiline explanatory text below the Michigan title. It describes the historical tornado list, links to additional records, and explains county selection and the available event fields.","membership":"Include the complete prose block and its inline hyperlinks, from \"This page lists the date and location\" through the statement about counties not listed. Exclude the heading above and the embedded panel below. Retain the same text-block extent as it scrolls partially out of view.","id":"obj_006","temporal":{"status":"found","start_s":5.0,"end_s":7.0,"reference_s":5.5,"evidence":"目标是“Michigan Tornadoes 1950–2012”标题下的完整说明段落，包含历史记录链接、县选择方法及事件字段说明，不含标题和下方嵌入面板。首个合格帧为5.00秒；前一帧4.75秒仍是地图页面。文字随后随页面滚动，按目标要求保留部分移出视野的阶段，最后合格帧6.75秒仍可见段落末尾。区间延续至视频结束7.00秒，无后续帧。选择5.50秒作为关键帧，因完整文字及内联链接清晰可见且无遮挡。","start_frame":120,"end_frame":168,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[216.1,462.0,757.3,809.3],"positive_points":[[225.0,472.2],[535.4,522.2],[682.3,548.1],[248.4,647.2],[609.4,721.3],[385.4,796.3]],"negative_points":[[494.3,424.1],[489.1,269.4],[483.3,876.9],[790.6,657.4]],"evidence":"目标是标题下方的完整多行说明文字，包含历史龙卷风记录、内联链接、县选择方法及事件字段介绍。边界框从“This page lists”覆盖至“officially listed during this period.”。正点分布在各段文字和链接上；负点位于上方标题、横幅、下方嵌入面板和右侧空白，均排除在目标之外。"}},{"name":"Unsupported county-map embed","description":"The large pale rectangular embedded area below the Michigan instructions. Scrolling reveals a gray puzzle-piece symbol and the message \"Adobe Flash Player is no longer supported\".","membership":"Include the entire visible embedded rectangle, its pale surface, puzzle-piece symbol, and unsupported-player message. Exclude surrounding page text and the county table beneath it.","id":"obj_007","temporal":{"status":"found","start_s":6.25,"end_s":7.0,"reference_s":6.5,"evidence":"目标是密歇根说明文字下方的浅色嵌入矩形，内有灰色拼图图标及“Adobe Flash Player is no longer supported”提示。6.25秒首次完整显示矩形边界，最后合格帧为6.75秒；此前6.00秒矩形下部仍被画面底边裁切。目标持续至视频结束，之后没有采样帧。选择6.50秒作为关键帧，矩形、图标和提示清晰完整，且与下方县级表格易于区分。","start_frame":150,"end_frame":168,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[267,175,707.5,804],"positive_points":[[310,248],[652,294],[336,708],[654,732],[487,467],[535,521]],"negative_points":[[397,139],[230,477],[761,531],[306,877]],"evidence":"目标是页面中央的大块浅色嵌入矩形，内有灰色拼图符号及“Adobe Flash Player is no longer supported”提示。边界框覆盖整个可见嵌入区域；正点分布于浅色表面、图标和提示文字，负点位于上方说明、左右页边空白及下方县级表格标题，均在目标之外。"}},{"name":"Time-zone note","description":"The standalone line \"all times are Central Standard Time\" revealed immediately below the unsupported embed.","membership":"Include only the complete text line. Exclude the embedded panel above, the county heading below, and the white page background.","id":"obj_008","temporal":{"status":"found","start_s":6.25,"end_s":7.0,"reference_s":6.5,"evidence":"目标是失效嵌入面板下方独立的完整文字行“all times are Central Standard Time”。6.25秒首次完整可见，6.50秒和最后一帧6.75秒均保持完整。前一帧6.00秒该行尚未进入画面；区间延续至视频末尾，之后无采样帧。选择6.50秒作为关键帧，文字清晰，且与上方面板及下方县名标题分离。","start_frame":150,"end_frame":168,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[216.7,830.6,428.1,851.9],"positive_points":[[227.1,839.8],[234.4,838.0],[271.9,845.4],[295.3,841.7],[343.2,833.3],[401.0,833.3]],"negative_points":[[317.7,791.7],[276.0,876.9],[193.8,841.7],[452.1,841.7]],"evidence":"目标是嵌入面板下方的独立文字行“all times are Central Standard Time”。边界框仅覆盖完整文字行，六个正点分布于各部分的字形上；负点位于上方面板、下方县名标题及左右白色背景，不包含在目标中。"}},{"name":"Alcona County tornado records","description":"The beginning of the \"Alcona County Tornadoes\" table revealed near the bottom of the Michigan page. Visible column headings include ID, Date, Event Num, Time, Dead, Inj, F-Scale, Beg Coor, End Coor, and County.","membership":"Include the county heading, all visible table headings, and the portions of record rows visible beneath them as one county-record section. Exclude the separate time-zone note and surrounding page content.","id":"obj_009","temporal":{"status":"found","start_s":6.5,"end_s":7.0,"reference_s":6.75,"evidence":"6.50秒首次同时显示“Alcona County Tornadoes”县级标题、ID、Date、Event Num、Time、Dead��Inj、F-Scale、Beg Coor、End Coor、County全部表头及下方可见的记录行片段，符合指定分组；不包含上方时区说明。前一帧6.25秒仅显示县级标题，表头尚未进入可见区域。最后合格帧为6.75秒，目标持续至视频结束，之后无采样帧。选择6.75秒作为关键帧，标题和表头清楚且无遮挡。","start_frame":156,"end_frame":168,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[216.1,869.4,629.2,976.9],"positive_points":[[226.6,875.9],[243.2,930.6],[330.7,930.6],[484.9,930.6],[614.6,930.6],[369.8,972.2]],"negative_points":[[319.8,841.7],[485.9,521.3],[718.8,925.9],[190.1,911.1]],"evidence":"图像底部可见“Alcona County Tornadoes”标题及 ID、Date、Event Num 等表头。边界框覆盖县名标题、全部可见表头和底部被截断的记录行。正点分布于标题、不同列的表头及记录文字；负点位于独立的时区说明、Flash 提示和区块外的页面空白。"}}]}
+{"video_id":228,"video_type":"data and scientific visualization","targets":[{"name":"Four-way intersection traffic-flow diagram","description":"An overhead schematic of two multilane roads crossing at a gray central junction. Animated green straight-through paths, orange left-turn paths, and blue right-turn paths show traffic movements. Yellow rings identify crossing conflicts; later, selected paths illustrate successive signal phases.","membership":"Include the cross-shaped roadway surface, central gray junction with its concave corners, white road boundaries and lane dividers, directional arrows, animated colored routes, and yellow conflict-point rings with their enclosed areas. Follow the roadway outline rather than enclosing the surrounding black quadrants. Open route lines remain open. Exclude independent explanatory text, the bottom chapter strip, and watermarks.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":3,"evidence":"目标是灰色中央路口及四向多车道路面组成的交通流示意图，包含白色车道线、方向箭头、彩色路线和冲突点黄圈。首帧0.00秒道路及路口结构已完整建立，后续路线增减和信号阶段切换属于图内内容变化；末帧24.75秒仍连续存在，未见整体退出。区间到达视频首尾，两端均无外侧采样帧。选择3.00秒作为关键帧，此时三色路线及黄色冲突圈清晰，独立说明文字尚未遮挡图形。","start_frame":0,"end_frame":600,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[0,0,1000,976.85],"positive_points":[[182,412],[797,554],[443,102],[545,865],[477,499],[608,440]],"negative_points":[[250,160],[770,180],[225,845],[800,845]],"evidence":"图中可见十字形多车道道路、灰色中央路口、彩色交通流线及黄色冲突环，符合目标。边界框覆盖道路在画面内的完整横纵延伸，下沿止于底部章节条上方；实际成员沿十字道路轮廓，不包含四角黑色区域。正点分布于四向道路、中央冲突环及灰色路口，负点位于道路外四个黑色象限；水印与章节条排除。"}},{"name":"Traffic-path conflict statement","description":"The large upper-left statement “不同方向的路径存在冲突点”, with “冲突点” highlighted in yellow, introduced over the traffic-flow diagram.","membership":"Include the complete text block throughout its progressive reveal. Exclude its dark backing rectangle, the underlying roadway graphic, and adjacent annotations.","id":"obj_002","temporal":{"status":"found","start_s":4.5,"end_s":13.25,"reference_s":5.0,"evidence":"目标为左上方“不同方向的路径存在冲突点”整段文字，其中“冲突点”为黄色，不含深色底板。4.50秒首次完整清晰呈现，13.00秒为最后合格帧；此前4.25秒末尾黄色文字仍在渐显，之后13.25秒整段文字开始淡出。选择5.00秒作为关键帧，文字完整、清晰且无遮挡，便于独立标注。","start_frame":108,"end_frame":318,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[50.5,191.7,491.7,253.7],"positive_points":[[65.1,199.1],[164.6,225.9],[238.0,220.4],[326.6,206.5],[400.0,225.9],[480.7,201.9]],"negative_points":[[35.0,230.0],[290.0,270.0],[441.0,396.0],[943.0,68.0]],"evidence":"目标是左上方大字“不同方向的路径存在冲突点”，末尾“冲突点”为黄色。边界框紧贴整段文字，覆盖全部字符及字间间隔，不含深色底板。六个正点分布在前中后不同字符的笔画上；负点位于文字外的底板、下方道路图及右上角标识。"}},{"name":"Intersection conflict-resolution statement","description":"The large statement “交叉路口需要解决这些路径冲突” appearing across the lower center and right beneath the highlighted crossing conflicts.","membership":"Include all characters of this single text block throughout its reveal and fade. Exclude the dark backing rectangle and underlying diagram.","id":"obj_003","temporal":{"status":"found","start_s":9.25,"end_s":13.25,"reference_s":10.0,"evidence":"目标是画面下方偏中右的整行文字“交叉路口需要解决这些路径冲突”，不包含黑色底框。9.25秒文字首次完整显现，13.00秒为最后完整保留帧；紧邻此前的9.00秒末尾文字仍在渐显，紧邻此后的13.25秒文字已开始淡出。选择10.00秒作为关键帧，此时整行文字清晰、无遮挡，便于标注。","start_frame":222,"end_frame":318,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[403.6,791.7,920.3,854.6],"positive_points":[[419.3,803.7],[519.8,819.4],[601.6,796.3],[752.1,849.1],[875.5,817.6],[911.5,841.7]],"negative_points":[[408,871],[677,755],[564,916],[436,614]],"evidence":"目标是画面下方横跨中部至右侧的“交叉路口需要解决这些路径冲突”。边界框紧贴整行文字，覆盖全部字符；六个正点分布在不同字符的可见笔画上，四个负点位于文字外的深色衬底、背景及道路示意图上，不包含字间空隙。"}},{"name":"Four-phase signalized-intersection title","description":"The upper-left title “一种4相信号灯路口”, accompanied by the smaller correction “*4阶段” above it, introduces the signal-phase demonstration.","membership":"Include the main title and its directly associated correction as one text unit. Exclude neighboring road markings, animated traffic paths, and the background.","id":"obj_004","temporal":{"status":"found","start_s":14.5,"end_s":25.0,"reference_s":15.0,"evidence":"目标是左上方“一种4相信号灯路口”及其上方的小字“*4阶段”，作为一个文字单元。14.25秒仍处于淡入，14.50秒两部分均已完整清晰呈现；此后持续可见，最后合格帧为24.75秒。区间到达视频结尾，无后续采样帧。选择15.00秒作关键帧，标题与 correction 小字清晰、无遮挡，且与道路图形易于区分。","start_frame":348,"end_frame":600,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[30.7,76.9,337.5,172.2],"positive_points":[[46.9,141.7],[142.7,119.4],[211.5,117.6],[334.4,143.5],[170.3,88.0],[192.2,99.1]],"negative_points":[[92.7,215.7],[177.1,49.1],[359.4,147.2],[249.0,273.1]],"evidence":"目标位于左上角，由主标题“一种4相信号灯路口”和上方较小的“*4阶段”组成。边界框紧贴两部分文字的整体范围；六个正点分布在主标题及修正文字的笔画上，负点位于文字外的黑色背景和下方道路标线上，排除道路及交通路径。"}},{"name":"Signal-controlled path-switching explanation","description":"The lower-right two-line explanation “由信号灯切换” and “互不干扰的路径”, shown beside the demonstration of alternating turn movements.","membership":"Include both lines as one complete text block throughout their progressive appearance. Exclude the adjacent intersection diagram and background.","id":"obj_005","temporal":{"status":"found","start_s":20.75,"end_s":25.0,"reference_s":21.0,"evidence":"目标是路口示意图右下方的两行文字“由信号灯切换”“互不干扰的路径”，作为一个完整文本块。20.50秒仍处于淡入阶段，20.75秒两行均完整清晰，首次符合纳入规则；最后符合的采样帧为24.75秒，持续至视频结束25.00秒，之后无采样帧。选择21.00秒作关键帧，文字清晰、无遮挡，与相邻路口图容易区分。","start_frame":498,"end_frame":600,"reference_frame":504},"grounding":{"status":"found","bbox_xyxy":[698.4,813,915.6,932.4],"positive_points":[[703.1,840.7],[777.1,820.4],[861.5,842.6],[712.5,886.1],[802.1,907.4],[903.1,927.8]],"negative_points":[[665,858],[944,881],[790,775],[790,953]],"evidence":"目标为画面右下角的两行白色说明文字“由信号灯切换”和“互不干扰的路径”。边界框完整覆盖两行文字及行间距；六个正点分布在两行的实际字形笔画上，四个负点位于文字块外围背景，排除相邻路口示意图。"}}]}
+{"video_id":229,"video_type":"data and scientific visualization","targets":[{"name":"My Tasks count","description":"The white “My Tasks” heading with a rounded badge reading “16,” initially shown in close-up below the workspace breadcrumb.","membership":"Includes the heading and its associated count badge, including the badge surface and number. Excludes the adjacent view controls and surrounding application surface.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":3,"reference_s":1,"evidence":"目标是工作区面包屑下方的白色“My Tasks”标题及标有“16”的圆角白色徽章，不含左侧视图控件。首个合格帧为0.00秒，标题和徽章已完整显示；最后合格帧为2.75秒，虽有景深模糊但仍完整可见。3.00秒切换至侧栏近景，目标不再出现。区间始于视频开头，无更早采样帧。选择1.00秒作为关键帧，因为标题、徽章边界和数字清晰且无遮挡。","start_frame":0,"end_frame":72,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[509,630,885,844],"positive_points":[[521,805],[582,795],[618,758],[746,730],[799,692],[864,685]],"negative_points":[[389,882],[446,514],[693,907],[917,763]],"evidence":"目标位于工作区面包屑下方，由白色“My Tasks”标题及右侧显示“16”的圆角徽章组成。边界框紧贴标题和徽章的整体可见范围；正点分布在标题字形及徽章表面，负点位于相邻视图控件、上方面包屑和外围应用背景，均避开目标。"}},{"name":"Task view switcher","description":"A compact dark segmented control beside the initial “My Tasks” heading, containing list and column-view icons.","membership":"Includes the rounded control surface, boundary, and both view icons. Excludes the task heading and count.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":3,"reference_s":0,"evidence":"目标是初始“My Tasks”标题左侧的深色圆角分段控件，包含列表和列视图两个图标，不含标题及计数。首个采样帧0.00秒已呈现该控件，持续至最后符合条件的2.75秒；3.00秒镜头切换，原控件不再可见。区间从视频开头开始，没有更早的采样帧。选择0.00秒作为关键帧，两个图标及控件轮廓相对清楚，便于与右侧标题区分。","start_frame":0,"end_frame":72,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[176,773,463,1000],"positive_points":[[225,909],[269,946],[363,871],[395,851],[319,928],[208,975]],"negative_points":[[548,799],[825,686],[333,718],[129,916]],"evidence":"目标是“My Tasks”左侧含列表与分栏图标的深色圆角切换控件。框覆盖控件表面、边界和两个图标，可见下缘被图像截断。正点分布在两图标及控件表面；负点位于标题、计数徽标和控件外背景。"}},{"name":"Workspace and team breadcrumb","description":"The navigation breadcrumb revealed across the opening close-up, showing a home-shaped icon, “Mant Global,” a separator, and a people icon beside “Team 01.”","membership":"Includes the compact breadcrumb navigation unit and its icons, labels, and separator. Excludes the larger header surface and the task controls below.","id":"obj_003","temporal":{"status":"found","start_s":1.0,"end_s":3.0,"reference_s":2.0,"evidence":"通过房屋图标、“Mant Global”、分隔线及人物图标旁的“Team 01”识别该面包屑导航。首个完整呈现帧为1.00秒，前一帧0.75秒的人物图标仍在绘制；最后合格帧为2.75秒，随后3.00秒切换至其他界面局部，目标消失。选择2.00秒作为关键帧，导航单元完整可见，文字和图标清晰且无遮挡。","start_frame":24,"end_frame":72,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[125,261,949,692],"positive_points":[[142,611],[241,602],[370,537],[585,449],[651,387],[934,287]],"negative_points":[[510,231],[177,824],[660,759],[833,685]],"evidence":"根据房屋图标、“Mant Global”、分隔线、人物图标及“Team 01”识别出面包屑导航。边界框覆盖整组可见图标与文字；六个正点分布于各组成部分的实际笔画上，负点位于上方背景、左下方空白及下方任务文字和数量徽章，排除较大的页眉表面与任务控件。"}},{"name":"Main navigation panel close-up","description":"The dark sidebar presented after the opening header, with “MAIN” above “My tasks,” “Inbox,” “Calendar,” and “Roadmap.” The “My tasks” row becomes selected.","membership":"Includes the sidebar surface and visible navigation contents, including the selected row's backing. Excludes the adjacent workspace and transient illumination outside the panel.","id":"obj_004","temporal":{"status":"found","start_s":3.0,"end_s":6.0,"reference_s":5.25,"evidence":"目标是带有“MAIN”、My tasks、Inbox、Calendar 和 Roadmap 的深色导航侧栏。3.00 秒侧栏表面及边界已建立，随后内部文字逐步显现，My tasks 行出现选中底色；最后符合帧为 5.75 秒。前一帧 2.75 秒仍是顶部标题特写，后一帧 6.00 秒已切换到任务看板特写。选择 5.25 秒作为关键帧，导航内容和选中行底色清楚，侧栏易于区分。","start_frame":72,"end_frame":144,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[106,0,994,1000],"positive_points":[[242,201],[560,136],[639,350],[393,550],[460,746],[486,947]],"negative_points":[[65,420],[144,871],[951,159],[984,536]],"evidence":"根据“MAIN”标题及“My tasks”“Inbox”“Calendar”“Roadmap”导航项识别出倾斜的深色侧栏。框覆盖其可见表面、导航内容和选中行背景，上下边缘被画面截断。正点分布在标题、侧栏表面、选中行和各导航项；负点位于左侧外部暗区及右侧相邻工作区。"}},{"name":"In Progress column header close-up","description":"A vivid blue rounded column header labeled “In Progress,” with a circular progress symbol at its left and an ellipsis at its right.","membership":"Includes the blue header surface, rounded boundary, progress icon, label, and its own ellipsis. Excludes neighboring column controls and the task card beneath it.","id":"obj_005","temporal":{"status":"found","start_s":6.5,"end_s":9.0,"reference_s":8.5,"evidence":"目标是蓝色圆角“In Progress”栏头，包含左侧圆形进度图标及右侧省略号，不含下方任务卡。6.25秒文字仍在揭示；6.5秒指定成员已完整呈现，持续至8.75秒。9.0秒切换到任务卡视角，不再呈现该栏头特写。选择8.5秒作为关键帧，标签、图标和栏头自身省略号较清楚，便于与邻近控件区分。","start_frame":156,"end_frame":216,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[197,0,878,523],"positive_points":[[250,416],[370,345],[548,246],[696,145],[825,90],[213,458]],"negative_points":[[124,489],[511,527],[932,40],[375,128]],"evidence":"目标是倾斜的蓝色圆角“In Progress”列标题，左侧有进度图标，右侧有省略号。框覆盖其全部可见蓝色表面、边界及内部元素，上缘按图像裁切。正点分布于图标、文字、蓝色表面和自身省略号；负点位于左侧独立省略号、下方任务卡、右上橙色标题及上方深色背景。"}},{"name":"Implement push notifications card","description":"The task card featured beneath the blue header, titled “Implement push notifications.” It has a yellow upward-arrow priority icon, identifier “ENG-50,” a “Notification” tag, and an assignee portrait.","membership":"Includes the complete rounded card surface and boundary, title, descriptive text, priority symbol, identifier, tag, and portrait. Excludes the column header and neighboring cards.","id":"obj_006","temporal":{"status":"found","start_s":15.25,"end_s":17.0,"reference_s":16.25,"evidence":"选取末段看板中的一次连续出现：蓝色“In Progress”标题下的卡片具有“Implement push notifications”标题、黄色向上箭头、ENG-50、Notification 标签及头像。15.25 秒时完整圆角卡片及指定内容已呈现；前一帧 15.00 秒尚无该卡片。最后 qualifying 帧为 16.75 秒，卡片仍完整可见，区间延续至视频结束 17.00 秒，无后续帧。选择 16.25 秒作为关键帧，卡片边界清楚且无遮挡，易与相邻卡片区分。","start_frame":366,"end_frame":408,"reference_frame":390},"grounding":{"status":"found","bbox_xyxy":[428.6,255.6,554.2,353.7],"positive_points":[[440.1,275],[488.5,275],[479.7,299.1],[445.3,331.5],[504.2,318.5],[541.1,331.5]],"negative_points":[[490.6,236.1],[490.6,395.4],[365.6,305.6],[617.2,310.2]],"evidence":"目标是蓝色“In Progress”栏头下方标题为“Implement push notifications”的卡片。边界框覆盖完整圆角卡面、文字、黄色优先级图标、ENG-50、Notification 标签及头像。正点分布于标题、图标、描述、编号、卡面和头像；负点位于上方栏头及左、右、下方相邻卡片。"}},{"name":"Optimize app loading speed card","description":"A card at the left of the subsequent angled board sweep, titled “Optimize app loading speed,” with text about initial load times and slower networks and a small assignee portrait.","membership":"Includes the entire task card and its enclosed text, priority icon, metadata, tag, and portrait, including portions revealed as the view moves. Excludes adjacent cards and board gutters.","id":"obj_007","temporal":{"status":"found","start_s":15.25,"end_s":17.0,"reference_s":16.75,"evidence":"选择末段完整看板中的一次连续出现：Backlog 列第三张卡标题为“Optimize app loading speed”，含初始加载时间与慢速网络的说明、ENG-47、Bug Fix 标签及头像。15.00 秒该卡仍在淡入，15.25 秒卡面和内容已完整呈现；最后合格帧为 16.75 秒，持续至视频结束 17.00 秒，之后无采样帧。选择 16.75 秒作为关键帧，卡片完整无遮挡，且与相邻卡片边界清楚。","start_frame":366,"end_frame":408,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[305.7,461.1,427.1,558.3],"positive_points":[[317.2,481.5],[374,481.5],[359.4,506.5],[322.4,535.2],[348.4,535.2],[415.6,536.1]],"negative_points":[[366.7,408.3],[484.4,509.3],[366.7,597.2],[287,510]],"evidence":"目标是 Backlog 列第三张“Optimize app loading speed”卡片，说明文字提及初始加载时间和较慢网络。边界框覆盖完整卡片，包括优先级图标、标题、说明、元数据、标签及右下角头像。正点分布在这些内容上；负点位于上方和右侧相邻卡片、下方空白及左侧卡片外区域。"}},{"name":"Add payment gateway integration card","description":"A card on the right side of the angled sweep titled “Add payment gateway integration,” with a gray circular priority icon, identifier “ENG-52,” and an “E-commerce” tag.","membership":"Includes the rounded card surface, boundary, title, description, priority icon, identifier, category tag, and assignee portrait. Excludes the onboarding card below and other neighboring cards.","id":"obj_008","temporal":{"status":"found","start_s":9.0,"end_s":14.0,"reference_s":11.25,"evidence":"通过标题“Add payment gateway integration��、灰色圆形优先级图标、ENG-52、E-commerce 标签及右侧头像识别目标，位于 onboarding 卡片上方。9.00 秒首次完整呈现，前一帧 8.75 秒仍是通知任务的近景，未见目标完整卡片；13.75 秒为最后合格帧，14.00 秒画面切黑，目标消失。选择 11.25 秒作为关键帧，卡片边界完整，标题和标识较清楚，且未被遮挡。","start_frame":216,"end_frame":336,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[425,411,935,879],"positive_points":[[487,734],[626,595],[554,752],[596,801],[703,708],[866,545]],"negative_points":[[667,885],[331,739],[585,557],[896,368]],"evidence":"根据右侧斜置卡片的标题“Add payment gateway integration”、灰色圆形图标、ENG-52 标识和 E-commerce 标签定位。边框覆盖完整卡片表面及右侧头像；正点分布于图标、标题、表面、编号、标签和头像，负点位于下方 onboarding 卡片、左侧相邻卡片及外部背景。"}},{"name":"Refine onboarding flow card","description":"The card below the payment integration task, titled “Refine onboarding flow,” with a yellow priority symbol and text about simplifying onboarding to reduce drop-off rates.","membership":"Includes the complete card surface and all enclosed task information, symbols, tag, and portrait. Excludes the payment card above and surrounding board surface.","id":"obj_009","temporal":{"status":"found","start_s":16.0,"end_s":17.0,"reference_s":16.75,"evidence":"目标位于“In Progress”列、支付集成卡下方，标题为“Refine onboarding flow”，含黄色优先级符号、减少流失率的说明、标签和头像。此段首次完整呈现于16.00秒，15.75秒仍在淡入；最后合格帧为16.75秒，持续至视频17.00秒结束，无后续采样帧。选择16.75秒作关键帧，卡片完整、无遮挡且与上方支付卡边界清楚。","start_frame":384,"end_frame":408,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[429.7,660.2,551.6,759.3],"positive_points":[[441.1,681.5],[490.6,682.4],[475,706.5],[445.3,736.1],[489.1,736.1],[539.1,736.1]],"negative_points":[[489.6,611.1],[408.9,704.6],[572.9,713.9],[490.1,787]],"evidence":"目标位于“In Progress”列底部、支付集成任务卡下方，标题为“Refine onboarding flow”。边界框覆盖完整卡片表面及其黄色符号、说明、标签和头像；正点分布于这些卡内内容，负点位于上方支付卡及左、右、下方的外部看板背景。"}},{"name":"Redesign profile page card","description":"The prominently featured card in the angled sweep, titled “Redesign profile page,” with a pink circular priority symbol, identifier “DES-49,” and a “UI/UX” tag. Its description concerns making the profile interface intuitive and visually appealing.","membership":"Includes the card's rounded boundary and surface, title, description, priority symbol, identifier, tag, and assignee portrait. Excludes external glow and neighboring cards.","id":"obj_010","temporal":{"status":"found","start_s":10.25,"end_s":14.0,"reference_s":11.5,"evidence":"通过标题“Redesign profile page”、粉色圆形优先级图标、DES-49、UI/UX 标签及右侧头像识别目标。10.25 秒卡片完整进入画面，至 13.75 秒仍连续可见；前一帧 10.00 秒卡片上缘仍受画面边界裁切，后一帧 14.00 秒画面切黑，卡片消失。选择 11.50 秒作为关键帧，此时卡片边界完整、文字清楚，且与邻近卡片容易区分。","start_frame":246,"end_frame":336,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[259,126,758,579],"positive_points":[[315,447],[415,355],[585,215],[427,511],[493,447],[687,262]],"negative_points":[[220,511],[489,184],[631,674],[819,367]],"evidence":"通过“Redesign profile page”标题、粉色圆形优先级符号、DES-49、UI/UX 标签及右侧头像识别目标。边界框覆盖倾斜卡片的圆角边界和完整表面，不包含外部光晕及相邻卡片。正点分布于符号、标题、卡面、编号、标签和头像；负点位于卡片外背景及邻近卡片。"}},{"name":"Develop offline mode card","description":"The task card above the profile redesign card, with a gray priority icon, identifier “ENG-51,” and a “Functionality” tag; its text describes app functionality without internet connectivity.","membership":"Includes the complete card surface and boundary and all enclosed task text, metadata, icon, tag, and portrait. Excludes the profile card below and the column header.","id":"obj_011","temporal":{"status":"found","start_s":15.5,"end_s":17.0,"reference_s":15.75,"evidence":"目标为“In Progress”列中位于“Redesign profile page”上方的“Develop offline mode”卡片，可见灰色优先级图标、ENG-51、Functionality 标签及头像。此段首次合格帧为15.50秒，卡片表面和边界已完整建立；前一帧15.25秒仍处于初始淡入。最后合格帧为16.75秒，至视频17.00秒结束仍存在，无后续采样帧。选择15.75秒作为关键帧，卡片完整清晰且无遮挡，易与下方任务卡区分。","start_frame":372,"end_frame":408,"reference_frame":378},"grounding":{"status":"found","bbox_xyxy":[427,356.5,556.3,461.1],"positive_points":[[439.2,379.4],[488,380.2],[499.5,405.6],[445.3,436.1],[508.9,424.1],[543.2,437.5]],"negative_points":[[490.1,512],[486.5,296.3],[367.7,400],[488.5,228.7]],"evidence":"目标是“In Progress”列中、个人资料重设计卡片上方的“Develop offline mode”卡片，可见灰色图标、ENG-51及Functionality标签。边框覆盖完整卡面及其文字、标签和头像；正点分布于标题、描述、元数据、卡面和头像，负点位于上方通知卡、下方资料卡、左侧相邻卡及列标题。"}},{"name":"Implement multi-language support card","description":"A card in the left column of the widening board sweep, titled “Implement multi-language support,” describing users selecting their preferred language and showing a circular assignee portrait.","membership":"Includes the rounded card and all its enclosed title, description, priority symbol, identifier, category tag, and portrait. Excludes the loading-speed card below and other nearby cards.","id":"obj_012","temporal":{"status":"found","start_s":15.0,"end_s":17.0,"reference_s":16.75,"evidence":"目标是 Backlog 左列第二张圆角卡片，标题为“Implement multi-language support”，含语言选择说明、红色优先级符号、ENG-46、Bug Fix 标签及圆形头像。选择末段完整看板中的一次连续出现：15.00 秒卡片结构已完整建立，前一帧 14.75 秒该卡片尚未显示；至最后采样帧 16.75 秒仍完整可见，因此区间结束于视频末尾 17.00 秒，无后续帧。16.75 秒卡片清晰且无遮挡，便于与下方 loading-speed 卡片区分。","start_frame":360,"end_frame":408,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[306.3,360.2,427.1,457.4],"positive_points":[[317.7,381.5],[382.8,382.4],[346.9,404.6],[323.4,435.2],[388.5,439.8],[415.6,435.2]],"negative_points":[[363.5,505.6],[364.6,306.5],[489.1,404.6],[287.5,400.9]],"evidence":"目标位于 Backlog 左列第二张卡片，标题为“Implement multi-language support”。边界框紧贴圆角卡片，包含标题、语言选择说明、优先级符号、编号、标签和右下角头像。正点分布于卡片文字、底部区域及头像；负点位于上方卡片、下方加载速度卡片、右侧卡片和左侧外部背景。"}},{"name":"Navigation sidebar in dashboard overview","description":"The sidebar revealed in the final dashboard assembly, headed “Mant Global.” It contains the main navigation, organization links, Engineering, Design, and Marketing project links, and configuration and support links near the bottom.","membership":"Includes the complete sidebar surface, boundary, workspace selector, section labels, navigation icons, text, and selected “My tasks” row. Excludes the task workspace to its right and the outer application frame.","id":"obj_013","temporal":{"status":"found","start_s":15.0,"end_s":17.0,"reference_s":16.75,"evidence":"目标是最终总览中左侧以“Mant Global”为首的导航侧栏，不含右侧任务区及外层应用框。15.0秒侧栏表面和边界已完整建立，后续内部链接的出现不推迟容器起点；此前14.75秒仍处于初始淡入。最后合格帧为16.75秒，侧栏持续至视频结束17.0秒，之后无采样帧。选择16.75秒作关键帧，此时各分组、项目链接及底部配置和支持链接均清晰可见。","start_frame":360,"end_frame":408,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[190,130,296,870],"positive_points":[[217,154],[241,233],[220,396],[224,590],[269,707],[231,840]],"negative_points":[[365,309],[488,605],[745,245],[162,511]],"evidence":"目标是左侧以“Mant Global”为标题的导航侧栏。框覆盖侧栏内表面、工作区选择器、各分组导航及底部配置和支持入口，不包含外围应用边框和右侧任务工作区。正点分布在侧栏顶部、选中行、中部导航及下部表面和支持入口；负点位于右侧任务区和应用左侧外部背景。"}},{"name":"My Tasks kanban workspace","description":"The independently bounded main panel in the final dashboard overview. Beneath “Mant Global / Team 01,” it shows “My Tasks” with a count of “16,” search and filtering controls, and progressively populated Backlog, In Progress, Review, and Completed columns.","membership":"Includes the main workspace panel's surface and boundary, breadcrumb, toolbar, column headers, all task cards and their contents, and internal empty space. Excludes the navigation sidebar, outer application frame, and surrounding black background.","id":"obj_014","temporal":{"status":"found","start_s":14.75,"end_s":17.0,"reference_s":16.75,"evidence":"目标是最终总览中导航侧栏右侧的独立主工作区，包含面包屑、“My Tasks 16”、搜索筛选工具及看板列。14.75秒时面板表面和边界已完整建立；此前14.50秒仍处于初始淡入。后续列和卡片逐步出现不改变面板身份。最后合格帧为16.75秒，视频于17.0秒结束，无后续帧。选择16.75秒作为关键帧，因为四列内容齐全，主面板边界清楚且无遮挡。","start_frame":354,"end_frame":408,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[295.3,128.7,809.4,871.3],"positive_points":[[350,154],[681,200],[366,406],[490,701],[613,506],[739,663]],"negative_points":[[226,298],[230,810],[850,475],[493,925]],"evidence":"根据顶部“Mant Global / Team 01”面包屑、“My Tasks 16”工具栏及四列看板识别主工作区。边界框紧贴独立主面板，包含面包屑、搜索筛选、列标题、全部任务卡及内部空白；不包含左侧导航和外层应用框。正点分布于顶部控件、不同列的任务卡与面板空白，负点位于左侧导航及面板外黑色背景。"}}]}
+{"video_id":230,"video_type":"data and scientific visualization","targets":[{"name":"LET'S GET RUSTY title","description":"Large italic uppercase lettering with gray fill, white outlines, and offset shadows, presented across the opening frame to the left of the orange crab.","membership":"Includes all lettering, the apostrophe, outlines, and letter shadows. Excludes the adjacent crab and dark background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":1,"evidence":"目标为橙色螃蟹左侧的“LET'S GET RUSTY”大号斜体标题，包含灰色填充、白色轮廓及偏移阴影，不含螃蟹。首个合格帧为0秒，最后合格帧为2秒，期间标题完整可见；2.25秒帧已变为黑屏。区间始于视频开头，无更早帧。选择1秒作为关键帧，标题清晰完整且无遮挡。","start_frame":0,"end_frame":54,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[45.8,433.3,763.6,571.3],"positive_points":[[62.5,495.4],[173.4,500],[325.5,513.9],[508.3,520.4],[615.1,482.4],[731.8,527.8]],"negative_points":[[868,485],[413,343],[478,663],[23,500]],"evidence":"目标是橙色螃蟹左侧的“LET'S GET RUSTY”大写斜体标题。边界框紧贴完整文字，包含撇号、白色描边和偏移阴影。六个正点分布在三个单词的实际字形笔画上；负点位于相邻螃蟹及标题上方、下方和左侧的深色背景。"}},{"name":"Orange Rust crab mascot","description":"Orange cartoon crab beside the opening title, with a spiked shell, raised claws, pointed legs, black eyes, and a smiling mouth.","membership":"Includes the complete crab silhouette and its internal facial details. Follows the shell, claws, and legs rather than enclosing the surrounding background.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":1,"evidence":"目标是开场“LET'S GET RUSTY”标题右侧的橙色卡通蟹，尖刺外壳、上举双螯、尖腿和笑脸均完整可见。首个合格帧为0.00秒，最后一个为2.00秒；2.25秒画面变黑，蟹已消失。区间从视频起点开始，没有更早的采样帧。选择1.00秒作为关键帧，因为蟹轮廓清晰、面部完整且无遮挡。","start_frame":0,"end_frame":54,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[785.4,421.3,952.1,577.8],"positive_points":[[871,466],[860,512],[796,483],[939,483],[810,527],[930,526]],"negative_points":[[870,370],[975,505],[868,621],[734,500]],"evidence":"目标是标题右侧的橙色卡通螃蟹，具有尖刺甲壳、上举双钳和笑脸。边界框紧贴完整甲壳、双钳及尖腿；正点分布在甲壳、眼睛、双钳和两侧腿根，负点位于蟹外的上方、右侧、下方背景及左侧标题文字上。"}},{"name":"Graphics API ranking list","description":"Centered, progressively revealed text list ranking Vulkan and DX12 as S, DX11 as A, Metal and WebGPU as B, OpenGL as C, and WebGL as D. The rows use yellow, pale green, and red lettering.","membership":"Includes the complete ranking text block, with each grade, hyphen, and API name. Excludes the surrounding dark background.","id":"obj_003","temporal":{"status":"found","start_s":5.5,"end_s":6.0,"reference_s":5.75,"evidence":"目标为居中的七行彩色图形 API 排名文字，包含 S-Vulkan、S-DX12、A-DX11、B-Metal、B-WebGPU、C-OpenGL 和 D-WebGL。首个完整呈现帧为 5.50 秒，最后合格帧为 5.75 秒；前一帧 5.25 秒的 Vulkan 行仍在淡入，后一帧 6.00 秒整组文字已开始淡出。选择 5.75 秒作为关键帧，因为全部文字清晰、完整且无遮挡。","start_frame":132,"end_frame":144,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[371.9,105.6,628.1,873.1],"positive_points":[[481.3,135.2],[477.6,256.5],[386.5,356.5],[531.3,500.9],[624.5,603.7],[375,838.9]],"negative_points":[[330,450],[680,480],[500,60],[505,920]],"evidence":"图像中央可见七行图形 API 排名，包含 S-Vulkan、S-DX12 至 D-WebGL。边界框紧贴完整文字块，涵盖所有等级、连字符和 API 名称。六个正点分散落在不同位置的实际字形笔画上；四个负点位于文字块上、下、左、右的外部深色背景。"}},{"name":"Rotation and Shader code block","description":"Syntax-colored code initially centered, showing RotateY and class Shader with angle, distance, vertex, and fragment definitions. It later moves right and abbreviates the RotateY function above the rendering demonstration.","membership":"Includes all text belonging to the rotation function and Shader class throughout their layout and content changes. Excludes the backing surface, adjacent rendering panel, and separately presented rendering-loop code below.","id":"obj_004","temporal":{"status":"found","start_s":6.5,"end_s":10.25,"reference_s":6.5,"evidence":"目标为包含 RotateY 函数及 Shader 类的语法着色代码文字，不含背景和下方独立渲染循环。首个合格帧为6.50秒，6.25秒时部分声明和顶点变换表达式仍在揭示、组装。代码随后经历局部高亮、右移及函数缩写，仍属同一连续对象。最后合格帧为10.00秒；10.25秒右移时，代码已被画面右边界裁切。选择6.50秒为关键帧，此时完整代码居中、清晰且无遮挡。","start_frame":156,"end_frame":246,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[282.8,86.1,716.1,909.3],"positive_points":[[341,100],[444,254],[286,402],[377,481],[644,629],[462,818]],"negative_points":[[234,463],[760,463],[500,42],[500,954]],"evidence":"目标是图中完整的语法着色代码，包含上方 RotateY 函数及下方 Shader 类。边界框紧贴首行至类末尾右花括号的全部文字；六个正点分布在函数、类声明、属性、顶点变换及片元返回语句的字形上，四个负点位于代码块外侧背景。"}},{"name":"Rendering demonstration panel","description":"Muted green rounded-square viewport initially entering from the left, displaying a red shape that becomes a rotating shaded cube. The panel later moves toward the right as the line-drawing explanation enters.","membership":"Includes the full rounded panel surface, its boundary, and all displayed contents, including the separately listed red rendered object. Excludes surrounding code and the scene background.","id":"obj_005","temporal":{"status":"found","start_s":8.0,"end_s":10.5,"reference_s":10.0,"evidence":"目标是显示红色图形及旋转阴影立方体的灰绿色圆角方形视口，不含周围代码。首个合格帧为8.00秒，面板表面与边界完整；此前7.75秒仍从左侧进入且被画面边缘裁切。最后合格帧为10.25秒，面板向右移动但仍完整；10.50秒右侧边界已出画而被裁切。9.50秒内部短暂显示加载图案不改变面板身份。选择10.00秒作为关键帧，面板无遮挡、边界清楚，内部红色立方体易于辨认。","start_frame":192,"end_frame":252,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[77.1,203.7,410.9,796.3],"positive_points":[[107.3,267.6],[375,273.1],[107.8,711.1],[372.9,713.9],[187.5,467.6],[293.8,513.9]],"negative_points":[[46.9,500],[239.6,148],[243.2,870.4],[572.9,333.3]],"evidence":"目标是图像左侧显示红色立体形状的灰绿色圆角视口。边界框紧贴整个面板外缘，包含面板表面及红色渲染内容；正点分布于面板四周表面和红色物体的两个面，负点位于面板外的深色背景及右侧代码区域。"}},{"name":"Red rendered cube","description":"The central red object in the green rendering panel, initially viewed as a flat square and subsequently rotating to reveal differently shaded faces.","membership":"Includes the entire visible rendered object and all its shaded faces, following its changing outer silhouette. Excludes the green viewport surface and temporary loading indicator.","id":"obj_006","temporal":{"status":"found","start_s":9.75,"end_s":10.75,"reference_s":10.0,"evidence":"目标是绿色渲染面板中的红色立方体，包含旋转时明暗不同的全部可见面。选取加载后的连续出现：首个合格帧为9.75秒，最后为10.50秒，此时立方体虽移到右侧但自身轮廓仍完整。前一帧9.50秒仅有加载指示器，后一帧10.75秒立方体已消失。选择10.00秒作为关键帧，两块不同明暗的红色面和完整外轮廓清晰可见。","start_frame":234,"end_frame":258,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[143.2,300.9,348.4,698.1],"positive_points":[[163.5,413],[207.3,365.7],[183.9,592.6],[265.6,398.1],[317.7,481.5],[270.8,638.9]],"negative_points":[[109.4,481.5],[375,463],[239.6,250],[250,750]],"evidence":"目标是左侧绿色渲染面板中央的红色立方体，可见左侧亮红面和右侧暗红面。边界框紧贴整个物体的外轮廓；六个正点分布于两个红色面内，四个负点位于物体四周的绿色视口表面，不包含该表面。"}},{"name":"Rendering-loop code block","description":"Separate syntax-colored code beneath the Shader block, beginning with Renderer.DeltaTime() and showing a loop that transforms three vertices and calls Rasterize. A shader.angle increment is subsequently added.","membership":"Includes the complete lower code block, including its changing lines, braces, and punctuation. Excludes its backing surface, the Shader block above, and the rendering viewport.","id":"obj_007","temporal":{"status":"found","start_s":8.0,"end_s":10.25,"reference_s":8.5,"evidence":"目标是 Shader 下方独立的语法着色代码块，以 Renderer.DeltaTime() 开头，包含三个顶点变换和 Rasterize 调用，随后加入 shader.angle 增量行。首个完整帧为 8.00 秒，前一帧 7.75 秒尚无该代码块；最后合格帧为 10.00 秒，10.25 秒代码块向右移出时已被画面边界裁切。期间局部代码变暗属于行强调变化，并非退出。选择 8.50 秒作关键帧，此时新增行及整个代码块均清晰完整。","start_frame":192,"end_frame":246,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[509.9,675,900.5,952.8],"positive_points":[[593,689],[513,725],[872,759],[858.3,829],[578,903],[514.1,941.7]],"negative_points":[[659,519],[240,500],[937,787],[677,969]],"evidence":"目标是右下方独立的渲染循环代码，以 Renderer.DeltaTime() 所在行开始，包含 shader.angle 增量、三个顶点变换及 Rasterize 调用。边界框覆盖完整代码、标点和末尾花括号，不含底板。六个正点分布于不同代码行的字形及末尾括号；负点位于上方 Shader 代码、左侧视口、右侧背景和代码下方底板。"}},{"name":"DrawLine code block","description":"Syntax-colored function headed void DrawLine(Vec2 a, Vec2 b), presented beside the pixel grid. It shows y_step = 0.5, an updating y value and rounding comment, a loop, DrawPoint, and the y increment.","membership":"Includes the complete function text and its changing numeric values and comments. Excludes the dark backing surface and neighboring grid graphic.","id":"obj_008","temporal":{"status":"found","start_s":10.5,"end_s":12.0,"reference_s":11.0,"evidence":"目标是以 void DrawLine(Vec2 a, Vec2 b) 开头的完整语法着色函数，含 y_step、变化的 y 值及舍入注释、循环、DrawPoint 和 y 增量，不含背景与网格。首个合格帧为 10.50 秒，此时函数已完整进入画面；前一帧 10.25 秒仍被左侧边界裁切。最后合格帧为 11.75 秒，完整函数持续可见至视频结束，边界外无后续帧。选择 11.00 秒作为关键帧，因为函数清晰完整，与左侧网格易于区分。","start_frame":252,"end_frame":288,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[470.8,295.4,946.4,699.1],"positive_points":[[541.7,311.1],[701.0,351.9],[713.0,415.7],[940.1,468.5],[526.0,518.5],[556.8,569.4]],"negative_points":[[729.2,722.2],[599.0,259.3],[182.3,666.7],[963.5,500.0]],"evidence":"目标是网格右侧以 void DrawLine(Vec2 a, Vec2 b) 开头的彩色函数代码。边界框覆盖完整函数文字、数值、舍入注释及括号；正点分布于函数头、步长数值、注释、循环括号、DrawPoint 和增量语句的笔画上。负点位于代码外的深色背景及左侧网格，排除 backing surface 和网格图形。"}},{"name":"Line rasterization grid","description":"Square coordinate grid labeled from 0 to 10 on both axes, appearing beside the DrawLine function. Pale green cells progressively trace a rising stepped line, with a gray cell near the right edge.","membership":"Includes the grid boundary, enclosed plotting surface, grid lines, axis-number labels, and filled cells. Excludes the adjacent code and the temporary pale outline highlighting the current cell.","id":"obj_009","temporal":{"status":"found","start_s":10.75,"end_s":12.0,"reference_s":11.5,"evidence":"目标是 DrawLine 代码左侧的方形坐标网格，含两轴 0–10 标签、浅绿色阶梯状填充格及右侧灰格，不包括临时浅色描边。10.50 秒网格仍被画面左边界裁切；10.75 秒首次完整呈现，随后持续可见至最后采样帧 11.75 秒。区间延伸至视频末尾 12.0 秒，无后续帧。选择 11.50 秒作为关键帧，网格及坐标标签清晰完整，阶梯填充易于辨认。","start_frame":258,"end_frame":288,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[40.6,200,418,860.2],"positive_points":[[92.7,226.9],[339.1,338],[91.7,779.6],[401.6,502.8],[56.8,450.9],[247.9,847.2]],"negative_points":[[583.3,416.7],[447.9,527.8],[218.8,907.4],[36.5,166.7]],"evidence":"目标是左侧带双轴0至10数字的方形栅格，内有浅绿色阶梯状单元和右侧灰色单元。框覆盖网格边界、绘图区及轴数字；正点分布在绘图区、填色单元和轴标签上，负点位于右侧代码及网格外背景。当前单元的浅色临时高亮轮廓不计入目标。"}}]}
+{"video_id":231,"video_type":"data and scientific visualization","targets":[{"name":"Laplace Transform title","description":"Large gray heading reading “Laplace Transform” above the transform formulas; it fades as the mathematical demonstration enlarges.","membership":"Includes only the heading’s lettering, excluding the formulas, grouping braces, and background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标是公式上方灰色的“Laplace Transform”标题，仅包含标题字母。0.00秒和0.25秒标题完整可见；0.50秒已开始变暗淡出，随后继续消失，因此最后合格帧为0.25秒。视频起点前没有采样帧。选择0.00秒作为关键帧，标题清晰完整，与下方公式容易区分。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[536.1,87.7,798.3,140.6],"positive_points":[[541.0,107.6],[578.6,126.7],[619.1,116.3],[665.5,97.2],[710.4,116.3],[793.9,126.7]],"negative_points":[[512.7,111.1],[809.6,110.2],[634.8,173.6],[537.1,255.2]],"evidence":"目标是图像上方、变换公式之上的灰色标题“Laplace Transform”。边界框紧贴整段标题字母，包含下伸笔画；六个正点分布在两个单词的字母笔画上，负点位于标题左右及下方背景和下方公式处，排除公式与背景。"}},{"name":"Forward Laplace transform formula","description":"The upper middle formula, “F(s) = ∫₀∞ f(t)e⁻ˢᵗ dt,” with colored s and t characters.","membership":"Includes the complete equation, integral limits, and differential. Excludes the heading, brace below it, and demonstration panels.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是上方中部的正向拉普拉斯变换完整公式，含积分上下限及 dt，s、t 带颜色。首个合格帧为 0.00 秒，最后为 0.50 秒；紧邻的 0.75 秒帧中公式已开始淡出，故不纳入。视频起点之前没有采样帧。选择 0.00 秒作为关键帧，公式完整、清晰且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[409.7,214.4,591.0,296.9],"positive_points":[[416.0,249.1],[482.9,251.7],[486.8,287.3],[498.0,220.5],[516.6,252.6],[586.8,256.9]],"negative_points":[[645.0,114.0],[511.2,317.7],[732.4,254.3],[422.0,186.0]],"evidence":"目标是上方中部的正向拉普拉斯变换公式。边框覆盖完整 F(s)、等号、积分号及上下限、被积函数和微分 dt。六个正点分布在公式字形、积分号及上下限上；负点位于标题、下方括号、右侧逆变换公式和公式外背景，均排除在目标之外。"}},{"name":"Inverse Laplace transform formula","description":"The upper right equation expressing f(t) as 1/(2πi) times the contour integral of F(s)eˢᵗ, with limits a−i∞ and a+i∞.","membership":"Includes all characters of the equation and its integral limits. Excludes the adjacent title, grouping brace, and panel below.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是右上方含 1/(2πi)、积分上下限 a±i∞ 及 F(s)eˢᵗ 的完整逆拉普拉斯变换公式。首个合格帧为 0.00 秒，最后为 0.50 秒；0.75 秒时公式已开始右移并淡出，故不纳入。视频起点前无采样帧。选择 0.00 秒作为关键帧，公式完整清晰且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[717,211,954,298],"positive_points":[[722,255],[791.5,231],[820.3,241.3],[862.8,221.4],[882.3,246.5],[939.5,258.7]],"negative_points":[[665,116],[860,317],[880,410],[934,181]],"evidence":"目标位于右上方，是含 f(t)、1/(2πi) 及上下限 a±i∞ 的逆拉普拉斯变换公式。框覆盖完整等式及积分上下限；六个正点分布在函数、分数、积分号、上限和右侧被积式的字符笔画上。负点位于标题、下方分组括线、面板及公式外背景，均不属于目标。"}},{"name":"Exponential and complex-number demonstration panel","description":"White-bordered black panel initially at the lower left that widens during the opening transition. Its contents change from an oscillating curve and two complex-plane plots to a cyan exponential graph with an animated tangent and slope construction, a unit circle with a red upper semicircle labeled π, and complex-number equations.","membership":"Includes the panel’s entire black surface, white boundary, and all contained plots, curves, axes, constructions, labels, and equations. The separately identified equation children remain within this region. Excludes the external grouping brace and the large connecting arrow above.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":4,"evidence":"目标是左下方白边黑底演示面板，开场逐渐变宽，内部由振荡曲线及复平面图变为青色指数图、红色上半圆和复数方程；外部括号及大箭头不属于面板。首个合格帧为0秒，面板表面和边界已完整；内容变化及缩放不影响其连续身份。最后合格帧为11.75秒，面板仍完整可见，因此区间延至12秒。区间覆盖视频首尾，两端均无外侧采样帧。选择4秒作为关键帧，面板边界清晰、内部示意完整且无遮挡。","start_frame":0,"end_frame":288,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[24.4,336.8,475.6,788.2],"positive_points":[[85,475],[252,470],[410,491],[250,630],[100,720],[413,723]],"negative_points":[[230,285],[520,560],[270,835],[12,610]],"evidence":"目标是左下方白框黑底演示面板，内含青色指数曲线、红色上半圆及复数等式。边界框覆盖完整白色边框、黑色表面和全部内部内容。六个正点分布在图示、等式及面板下部黑色区域；四个负点位于面板上、右、下、左侧的外部背景。"}},{"name":"Euler identity equation","description":"The prominently displayed “eᵖⁱ = −1” equation, with the exponent rendered as πi, inside the left demonstration panel. The π is red and i is cyan; the equation settles beneath the graph and circle.","membership":"Includes the complete equation’s lettering and mathematical symbols. Excludes the panel backing, nearby graphs, circle, and the separately appearing imaginary-unit equation.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":3,"evidence":"目标为左侧演示面板内的完整公式 e^{πi}=−1，其中 π 为红色、i 为青色，不包括旁边独立的 i²=−1。首个采样帧 0.00 秒已显示完整公式，随后仅移动、缩放并移至图和圆下方；最后采样帧 11.75 秒仍完整可见，没有退出迹象。区间覆盖视频首尾，边界外无采样帧。选择 3.00 秒作为关键帧，公式清晰、无遮挡，与其他图形和公式分离。","start_frame":0,"end_frame":288,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[196.3,602.4,305.7,648.4],"positive_points":[[200.7,645.8],[215.3,614.6],[227.1,621.5],[251.5,629.3],[280.8,634.5],[300.3,632.8]],"negative_points":[[175.8,635.4],[250,691.8],[251.5,432.3],[366.7,500.9]],"evidence":"目标是左侧面板内、图像与圆形下方的欧拉恒等式 e^{πi}=−1，指数 π 为红色、i 为青色。框紧贴完整公式，六个正点分别覆盖 e、π、i、等号、负号和数字 1；负点位于公式外的面板背景、上方圆弧及右侧独立的虚数单位公式上。"}},{"name":"Imaginary-unit equation","description":"A cyan i moves into the right side of the left demonstration panel and progressively becomes “i² = −1,” beside the unit circle.","membership":"Includes the standalone cyan i and the additional characters as the equation is revealed. Excludes the circle, Euler identity, and panel surface.","id":"obj_006","temporal":{"status":"found","start_s":2.5,"end_s":12.0,"reference_s":3.0,"evidence":"目标是左侧演示面板内、单位圆右边的“i² = −1”，其中 i 为青色。2.25 秒末尾的“1”仍在描绘，2.5 秒整条公式首次完整呈现；此前移动的独立 i 属于该公式的初始揭示过程。最后合格帧为 11.75 秒，公式持续至视频结束，之后无采样帧。选择 3.0 秒作关键帧，公式清晰完整且无遮挡，易与圆及下方欧拉恒等式区分。","start_frame":60,"end_frame":288,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[362.3,465.3,457.0,511.3],"positive_points":[[365.7,499.1],[378.4,474.8],[403.8,492.2],[403.3,502.6],[433.1,497.4],[451.7,496.5]],"negative_points":[[282.7,480.0],[251.5,630.2],[410.6,443.6],[464.4,532.1]],"evidence":"目标位于左侧演示面板内、单位圆右边，为青色 i 与白色字符组成的“i² = −1”。边界框紧贴整条公式，正点分布在 i、上标 2、等号、负号和 1 的笔画上；负点位于被排除的单位圆、下方欧拉恒等式及公式外的面板背景。"}},{"name":"Connecting curved arrow","description":"A thick turquoise arrow is drawn in a broad arch above the two panels, pointing from the mathematical demonstration toward the spring simulations.","membership":"Includes the curved shaft and triangular arrowhead. The curve remains open; excludes the background underneath the arch and both panels.","id":"obj_007","temporal":{"status":"found","start_s":6.0,"end_s":12.0,"reference_s":6.0,"evidence":"目标是两面板上方从数学演示指向弹簧模拟的粗青绿色拱形箭头，包括弯曲箭杆和三角箭头。6.00秒首次完整呈现；前一帧5.75秒的箭头尖端仍在淡入，尚未完成显示。最后合格帧为11.75秒，箭头仍完整可见，因此区间延续至视频末尾12.00秒，无后续采样帧。选择6.00秒作为关键帧，箭头轮廓清晰且无遮挡。","start_frame":144,"end_frame":288,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[255.9,72.9,741.7,314.2],"positive_points":[[261.2,302.1],[334,173.6],[427.2,97.2],[529.8,82.5],[634.8,138.9],[732.4,289.1]],"negative_points":[[500,230],[500,35],[250,600],[750,600]],"evidence":"目标是两面板上方从左向右跨越的粗青绿色弧形箭头。边界框紧贴弯曲箭身和右端三角箭头；六个正点分布于箭身各段及箭头，负点位于弧下与弧上背景以及两个被排除的面板内。"}},{"name":"Spring oscillator simulation grid","description":"White-bordered black panel on the right containing a five-by-five array of animated spring-and-mass systems. Columns are labeled x₀ = −2 through x��� = 2, and rows v₀ = 2 through v₀ = −2. Blue masses oscillate horizontally, with green arrows showing motion.","membership":"Includes the entire panel surface and outer boundary, grid lines, row and column labels, all springs, blue mass blocks, and motion arrows. Excludes the large turquoise connecting arrow above and the mathematical panel to its left.","id":"obj_008","temporal":{"status":"found","start_s":5.75,"end_s":12.0,"reference_s":6.0,"evidence":"目标是右侧白框黑底的五乘五弹簧—蓝色质量块模拟网格，含 x₀ 列标签、v₀ 行标签及绿色运动箭头。5.50 秒面板仍在淡入，5.75 秒边框及内容完整显现，为首个合格帧；此后持续存在，最后合格帧为 11.75 秒，区间延至视频结束 12.00 秒，之后无采样帧。选择 6.00 秒作为关键帧，面板清晰完整、无遮挡，且与左侧数学面板及上方青色连接箭头容易区分。","start_frame":138,"end_frame":288,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[524.4,336.8,975.6,788.2],"positive_points":[[600,423],[840,372],[900,575],[762,652],[620,733],[835,500]],"negative_points":[[252,626],[500,80],[505,560],[759,833]],"evidence":"目标是右侧白框黑底的五行五列弹簧振子模拟面板。边界框覆盖完整面板、外框、网格、行列标签及所有弹簧、质量块和运动箭头。正点分布于面板各区域的标签和振子内容；负点位于左侧数学面板、上方青绿色连接箭头、两面板之间及目标下方背景。"}}]}
+{"video_id":232,"video_type":"data and scientific visualization","targets":[{"name":"Jarvis march algorithm title","description":"The orange heading “Jarvis march algorithm” at the upper left, above the geometric demonstration.","membership":"Includes only the title lettering; excludes the background and the diagram below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":26,"reference_s":0,"evidence":"目标为左上角橙色文字“Jarvis march algorithm”，仅包含标题字母，不含背景和下方示意图。标题在首帧0.00秒已完整显示，至末帧25.75秒始终清晰存在，无淡入、淡出或遮挡，因此区间为[0,26)。区间两端均为视频边界，没有边界之外的采样帧。选择0.00秒为关键帧，标题完整清晰，且周围干扰较少。","start_frame":0,"end_frame":624,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[96.35,110.19,350,153.7],"positive_points":[[101.56,128.7],[132.81,132.41],[167.19,129.63],[222.92,127.78],[258.33,125.93],[331.25,132.41]],"negative_points":[[83.33,130.56],[367.19,128.7],[218.75,182.41],[257.81,289.81]],"evidence":"目标是图像左上方的橙色标题“Jarvis march algorithm”。边界框紧贴整段标题字形，包括下伸笔画；六个正点分布在三个单词的实际笔画上，负点位于标题两侧及下方背景和下方独立的橙色圆点上。"}},{"name":"Animated convex hull diagram","description":"The geometric demonstration on the left, initially showing nine orange circular points. Blue arrows mark selected vertices, dashed blue lines illustrate candidate directions, and solid orange segments progressively connect the hull vertices.","membership":"Includes the circular markers and their interiors, the solid and dashed connecting or reference lines, and the blue algorithm-selection arrows as they appear and move. Open line sequences remain open; empty space between disconnected marks or inside the unfinished hull is not an enclosed surface. Excludes the title, instruction panels, background, and lower-right branding.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":26,"reference_s":24.75,"evidence":"目标是左侧由九个橙色圆点及随后出现的蓝色选择箭头、蓝色虚线和橙色连线组成的几何演示，不含标题、说明框和品牌标识。首个合格帧为0.00秒，九个圆点已完整显示；图示持续存在至最后采样帧25.75秒，内部连线和箭头的变化不改变其身份。区间覆盖视频首尾，两端均无外侧采样帧。选择24.75秒作为关键帧，此时圆点、开放的橙色轮廓和蓝色箭头清楚可辨，遮挡较少。","start_frame":0,"end_frame":624,"reference_frame":594},"grounding":{"status":"found","bbox_xyxy":[125,276.9,469.8,809.3],"positive_points":[[153.1,483.3],[258.3,289.8],[461.5,591.7],[303.6,795.4],[201.6,717.6],[247.4,513]],"negative_points":[[90,650],[230,130],[645,480],[530,720]],"evidence":"目标是左侧由九个橙色圆点、橙色连接线和蓝色选择箭头组成的凸包演示图。边界框紧贴箭头、顶部圆点、最右圆点及底部圆点，覆盖全部图形。正点分布在蓝色箭头和不同位置的圆点内部；负点位于标题、右侧说明文字及图形外部背景，不包含未闭合图形之间的空白。"}},{"name":"Starting vertex instruction panel","description":"The upper-right white rounded rectangle with a blue border reading “select the point with the lowest Y coordinate - the 1st vertex”.","membership":"Includes the complete rounded panel, its border, white surface, and all text inside. Excludes the diagram and the separate instruction panels beneath it.","id":"obj_003","temporal":{"status":"found","start_s":0.75,"end_s":26.0,"reference_s":1.25,"evidence":"目标是右上方写有“select the point with the lowest Y coordinate - the 1st vertex”的白色蓝边圆角面板，不包括下方其他说明框。0.50秒仍处于淡入，0.75秒面板、边框及文字已完整清晰，首次符合条件；此后持续存在至最后采样帧25.75秒，因此结束时间为26.0秒，视频结束后无相邻帧。选择1.25秒作为关键帧，目标清晰完整、无遮挡，且下方尚无其他面板干扰。","start_frame":18,"end_frame":624,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[585.9,92.6,948.4,236.1],"positive_points":[[605,120],[920,125],[670,153],[819,195],[612,215],[914,219]],"negative_points":[[560,160],[770,65],[970,190],[780,270]],"evidence":"目标是右上角写有“select the point with the lowest Y coordinate - the 1st vertex”的白色蓝边圆角面板。边界框紧贴整个面板，包含边框、白色底面及全部文字。六个正点分散在面板内部的文字和底面上，四个负点位于面板外侧的灰色背景中。"}},{"name":"Counterclockwise selection instruction panel","description":"The second white, blue-bordered rounded panel on the right, reading “select the point with smallest counterclockwise in reference to previous vertex”.","membership":"Includes the complete rounded panel, its border, white surface, and all enclosed text. Excludes the other instruction panels and the adjacent geometric demonstration.","id":"obj_004","temporal":{"status":"found","start_s":3.75,"end_s":26.0,"reference_s":10.0,"evidence":"目标是右侧第二个白底蓝色圆角边框面板，内含“select the point with smallest counterclockwise in reference to previous vertex”。3.50秒仍处于淡入阶段，3.75秒面板及文字已完整清晰呈现；此后持续存在，最后合格帧为25.75秒，区间延伸至视频结束26.0秒，之后没有采样帧。选择10.0秒作为关键帧，面板清晰、无遮挡，与其他面板易于区分。","start_frame":90,"end_frame":624,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[585.9,250,948.4,428.7],"positive_points":[[617.2,283.3],[838.5,288],[629.2,339.8],[903.6,346.3],[708.3,393.5],[925,391.7]],"negative_points":[[760.4,166.7],[541.7,325.9],[786.5,472.2],[461.5,591.7]],"evidence":"目标是右侧第二个白底蓝边圆角指令面板，文字为选择最小逆时针方向点的说明。边界框紧贴整个面板，包含边框、白色表面及全部文字。六个正点分布于面板上、中、下部；负点位于上方另一面板、左侧及下方背景和几何演示点上。"}},{"name":"Repeat until starting vertex instruction panel","description":"The third white, blue-bordered rounded panel on the right, reading “repeat until reaching the starting vertex”.","membership":"Includes the complete rounded panel, its border, white surface, and both lines of text. Excludes the panels above, the diagram, and the background.","id":"obj_005","temporal":{"status":"found","start_s":13.25,"end_s":26.0,"reference_s":14.0,"evidence":"目标是右侧第三个白底蓝边圆角面板，文字为“repeat until reaching the starting vertex”。13.00秒仍处于淡入，13.25秒面板、边框及两行文字已完整清晰；此后持续出现，最后合格帧为25.75秒，区间延至视频结尾26.00秒，无后续采样帧。选择14.00秒作为关键帧，此时面板清晰、无遮挡，易与上方两个面板区分。","start_frame":318,"end_frame":624,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[585.4,443.5,948.4,578.7],"positive_points":[[610.4,465.7],[657.3,488],[823.4,487],[669.8,540.7],[882.8,539.8],[924,475.9]],"negative_points":[[781.3,388.9],[781.3,629.6],[461.5,591.7],[974,518.5]],"evidence":"目标是右侧第三个白底蓝边圆角面板，文字为“repeat until reaching the starting vertex”。边界框紧贴完整面板，涵盖边框、白色表面和两行文字。正点分布在面板内的文字及白色表面；负点位于上方另一面板、下方和右侧背景，以及左侧图示。"}}]}
+{"video_id":233,"video_type":"data and scientific visualization","targets":[{"name":"Assembly instruction example","description":"Small rounded panel above the triangle, displaying “add [a+b*4], c”.","membership":"Includes the rounded panel’s surface, border, and instruction text. Excludes the labels and stamp below it.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标是三角形上方显示“add [a+b*4], c”的小圆角面板，不包括下方标签和印章。首个合格帧为0秒，最后为0.25秒；0.5秒时面板边框和文字已开始淡出，0.75秒几乎消失。视频起点之前没有采样帧。选择0秒作为关键帧，因为面板结构完整、文字清晰且无遮挡。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[407.7,33.0,589.8,96.4],"positive_points":[[416.0,53.8],[434.6,68.6],[470.2,56.4],[511.2,67.7],[571.3,67.7],[543.9,86.8]],"negative_points":[[398.4,128.5],[503.9,128.5],[496.1,17.4],[604.5,61.6]],"evidence":"目标是三角形上方显示“add [a+b*4], c”的小圆角面板。边界框紧贴面板外缘，包含表面、边框和指令文字；正点分布在面板表面及文字上，负点位于下方标签、印章以及面板外的上方和右侧背景。"}},{"name":"Instruction selection label","description":"Text reading “instruction selection” above the triangle’s top vertex.","membership":"Includes only the lettering; excludes the triangle, instruction example panel, and overlaid complexity stamp.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":4.75,"reference_s":2,"evidence":"目标是三角形顶点上方的“instruction selection”字样，不包括指令示例面板和复杂度印章。首个合格帧为0.00秒，文字已完整存在，虽被印章部分遮挡；视频起点之前没有采样帧。最后合格帧为4.50秒，紧邻的4.75秒帧中文字开始淡出，因此不纳入。选择2.00秒作为关键帧，文字清晰完整且无遮挡，容易与三角形和其他标签区分。","start_frame":0,"end_frame":114,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[389.2,114.6,611.8,150.2],"positive_points":[[390.6,138.0],[446.8,147.6],[489.3,126.7],[539.1,132.8],[562.5,147.6],[609.9,138.9]],"negative_points":[[500,90],[375,135],[630,135],[500,174.5]],"evidence":"目标是三角形顶点上方的“instruction selection”文字。边界框紧贴完整文字块，仅覆盖该标签；六个正点分布在两个单词的字母笔画上，负点位于文字外的背景及下方顶点圆环上。"}},{"name":"Undecidable stamp","description":"Bold, tilted “UNDECIDABLE” text over the instruction selection label in the opening frames.","membership":"Includes only the stamp lettering, not the underlying label or adjacent graphics.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0.25,"evidence":"目标是开场覆盖在“instruction selection”标签上的粗体倾斜“UNDECIDABLE”字样，仅包含印章文字。首个合格帧为0.00秒，最后为0.25秒；0.50秒时字样已开始淡出，故排除。目标在视频起点已完整呈现，没有更早采样帧。选择0.25秒作为关键帧，此时字形完整清晰。","start_frame":0,"end_frame":12,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[412.1,100.7,584.5,166.7],"positive_points":[[415.0,138.9],[446.3,140.6],[462.4,138.9],[508.8,130.2],[540.0,122.4],[575.2,105.9]],"negative_points":[[390,135],[603,139],[435,70],[498,175]],"evidence":"目标是上方覆盖 instruction selection 标签的倾斜粗体“UNDECIDABLE”印章。边界框紧贴整段印章字母；六个正点分布在左右各处的字母笔画上，四个负点位于底层标签露出部分、上方代码文字及下方圆形图形上，不包含印章内部空隙。"}},{"name":"Three-way optimization triangle","description":"Salmon outline triangle with a hollow circular node at each vertex, connecting the three compiler optimization topics. It later shrinks and moves toward the upper right.","membership":"Includes the three connecting edges, the triangular area they enclose, and the outer boundaries and interiors of all three circular nodes. Excludes external labels, complexity stamps, example icons, and the subsequently appearing filled disk.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":6,"reference_s":2,"evidence":"目标是鲑红色三角形轮廓及三个顶点的空心圆节点，不含外部标签和随后出现的实心圆盘。首个合格帧为0秒，视频起点前无采样帧；它随后缩小并移向右上方，至5.75秒仍保持完整。6秒帧中连接边已开始擦除、出现缺口，因此最后合格帧为5.75秒。选择2秒作为关键帧，三角形与节点清晰完整，无圆盘遮挡。","start_frame":0,"end_frame":144,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[315.9,172.7,684.6,746.5],"positive_points":[[500,199],[331,720],[669,720],[478,410],[541,555],[445,668]],"negative_points":[[495,135],[326,788],[668,788],[729,455]],"evidence":"目标是连接三个编译器优化主题的鲑红色三角形及三个空心圆节点。边界框紧贴三角形与节点的最外缘，不包含文字标签。六个正点分布在三个节点内部及三角形所围区域；负点位于外部主题标签和右侧背景。"}},{"name":"Register allocation label","description":"Text reading “register allocation” beneath the triangle’s lower-left vertex.","membership":"Includes only the lettering. Excludes the circular vertex, overlaid stamp, and register illustration below.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":4.75,"reference_s":2,"evidence":"目标是三角形左下顶点下方的“register allocation”文字，不包括顶点、���章或寄存器图示。首个合格帧为0秒，文字已完整建立，虽被印章部分遮挡；视频起点之前无采样帧。最后合格帧为4.5秒，紧邻的4.75秒帧中文字已开始淡出。选择2秒作为关键帧，此时文字清晰且无遮挡，便于独立标注。","start_frame":0,"end_frame":114,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[229.5,767.4,432.3,815.1],"positive_points":[[231.8,790.8],[244.1,801.2],[270,790.8],[339.8,780.4],[396,790.8],[429.8,797]],"negative_points":[[331.1,694.8],[585.9,790.8],[210,791.7],[346.7,848.1]],"evidence":"目标是三角形左下顶点下方的“register allocation”文字。边界框紧贴整段文字，包含字母下伸部分；六个正点分布在两词的字形笔画上，负点位于左下圆形顶点、右侧另一标签及文字外部背景。"}},{"name":"Register allocation NP-complete stamp","description":"Tilted bold “NP-COMPLETE” text over the lower-left register allocation label.","membership":"Includes only this stamp’s lettering, excluding the underlying label and register illustration.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0.25,"evidence":"目标是左下方 register allocation 标签上倾斜的粗体“NP-COMPLETE”字样，不包括底层标签和寄存器图示。首个合格帧为0.00秒，最后为0.25秒；0.50秒该字样已开始淡出，0.75秒几乎消失。区间起于视频开头，没有更早的采样帧。选择0.25秒作为关键帧，字样完整清晰，易与右侧同文印章区分。","start_frame":0,"end_frame":12,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[242.2,755.2,416.5,810.8],"positive_points":[[247.1,767.4],[265.1,765.6],[296.4,770.8],[329.1,782.1],[359.4,797.7],[410.6,807.3]],"negative_points":[[232.4,788.2],[285.2,850.7],[336.4,737.8],[634.8,789.9]],"evidence":"目标是左下角覆盖在 register allocation 标签上的倾斜粗体“NP-COMPLETE”。边界框紧贴该印章的完整字母和连字符；六个正点分布在不同字母笔画上，负点位于底层标签、下方寄存器图示、外部背景及右侧另一枚印章上。"}},{"name":"Instruction ordering label","description":"Text reading “instruction ordering” beneath the triangle’s lower-right vertex.","membership":"Includes only the lettering, excluding the triangle, overlaid stamp, and letter tiles below.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":4.75,"reference_s":2,"evidence":"目标是三角形右下顶点下方的“instruction ordering”文字，不包括叠加印章及字母方块。首个合格帧为0.00秒，文字已完整建立，虽被印章部分遮挡，但后续连续可见；视频起点之前没有采样帧。最后合格帧为4.50秒，紧邻的4.75秒文字已开始淡出，因此区间结束于4.75秒。选择2.00秒作为关键帧，此时文字清晰完整，无印章遮挡，便于单独标注。","start_frame":0,"end_frame":114,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[559.8,767.4,778.3,815.1],"positive_points":[[561.9,792.5],[595.7,785.0],[618.5,801.2],[684.4,792.5],[718.8,777.8],[771.5,812.0]],"negative_points":[[668.9,744.8],[650.0,754.0],[795.0,793.0],[700.0,845.0]],"evidence":"目标是三角形右下顶点下方的“instruction ordering”文字。边界框紧贴完整文字，包括末尾 g 的下伸部分；六个正点分布在两个单词的字母笔画上，负点位于上方圆形顶点及文字外围背景，不包含文字内部空隙。"}},{"name":"Instruction ordering NP-complete stamp","description":"Tilted bold “NP-COMPLETE” text over the lower-right instruction ordering label.","membership":"Includes only this stamp’s lettering, not the label or tiles beneath it.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0.25,"evidence":"目标是三角形右下角、覆盖“instruction ordering”标签的倾斜粗体“NP-COMPLETE”印章，仅包括其 lettering。首个合格帧为0.00秒，最后为0.25秒；0.50秒时印章已开始淡出，0.75秒几乎消失。区间起于视频开头，没有更早采样帧。选择0.25秒作为关键帧，文字完整清晰，易与下方标签和字母方块区分。","start_frame":0,"end_frame":12,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[581.1,755.2,754,817],"positive_points":[[584.5,792.5],[602.5,786.5],[632.8,787.3],[665.5,781.3],[711.4,771.7],[742.7,773.4]],"negative_points":[[560,787],[624,852],[783,837],[393,786]],"evidence":"目标是右下方覆盖在 instruction ordering 标签上的倾斜粗体“NP-COMPLETE”。边界框紧贴整段印章文字；六个正点分布于各处字母笔画，负点位于下层标签露出部分、下方字母方块、外部背景及左侧另一枚印章，均不属于目标。"}},{"name":"Register allocation illustration","description":"Compact row of four rounded register squares beneath the left label, with the first square filled salmon and a short blue bar below.","membership":"Includes the four squares’ boundaries and interiors and the blue bar as one compact illustration. Excludes the label and complexity stamp above.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标是左下方标签 beneath 的四个圆角寄存器方块及下方短蓝条，首个方块为鲑红色实心，不包含标签和复杂度印章。首个合格帧为0.00秒，最后为0.25秒；0.50秒时方块和蓝条已经开始淡出，因此排除。目标在视频开头已完整呈现，没有更早的采样帧。选择0.00秒作为关键帧，结构清晰、无遮挡。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[269.0,830.7,385.7,918.4],"positive_points":[[280.3,852.4],[311.5,855.0],[341.8,855.0],[371.1,855.0],[280.3,910.6],[336.9,910.6]],"negative_points":[[314.0,791.7],[251.5,853.3],[400.9,853.3],[323.7,946.2]],"evidence":"目标位于左下方标签下，由四个圆角寄存器方框（首个为鲑红色填充）及下方蓝色短条组成。边界框紧贴整组图示；正点分布于四个方框内部及蓝条两处，负点位于上方排除的文字和图示外围背景。"}},{"name":"Instruction ordering tiles","description":"Three outlined rounded tiles reading “C”, “B”, and “A”, beneath the right label.","membership":"Includes all three tile surfaces, borders, and letters. Excludes the label and complexity stamp above.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0.25,"evidence":"目标是右侧 instruction ordering 标签下方依次写有 C、B、A 的三个圆角描边方块，不含上方标签和复杂度印章。首个合格帧为 0.00 秒，最后合格帧为 0.25 秒；0.50 秒时方块及字母已开始淡出，0.75 秒进一步变暗。目标在视频开头已完整呈现，没有更早的采样帧。选择 0.25 秒作为关键帧，因为三块边框和字母清晰完整、无遮挡。","start_frame":0,"end_frame":12,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[603.5,827.3,732.4,880.2],"positive_points":[[610,846],[624,855],[658,863],[668,854],[712,854],[725,865]],"negative_points":[[669,786],[570,790],[588,851],[746,854]],"evidence":"目标是右下方标签下面依次标有 C、B、A 的三个圆角描边方块。边界框紧贴三个方块的整体外缘，包含表面、边框及字母。六个正点分布在各方块的表面和字母处；负点位于上方标签、复杂度印章及左右外部背景，均不包含在目标中。"}},{"name":"Filled transition disk","description":"Salmon disk presented on its own in the upper right after the triangle moves there; the remaining triangle briefly appears within it before disappearing.","membership":"Includes the disk’s circular surface and boundary and any content within it. Excludes the surrounding dark background and the later processor panel.","id":"obj_011","temporal":{"status":"found","start_s":5.5,"end_s":8.0,"reference_s":7.0,"evidence":"目标是三角形移向右上方时出现的鲑红色实心圆盘。5.50秒首次呈现完整的小圆盘，随后放大，内部三角形逐渐消失；7.75秒仍是完整圆盘的变形阶段，为最后合格帧。此前5.25秒只有三角形，没有圆盘；之后8.00秒已变成紫色圆角方形，开始转为后续面板。选择7.00秒，圆盘边界清楚、内部无遮挡，便于标注。","start_frame":132,"end_frame":192,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[734.4,37.3,890.6,315.1],"positive_points":[[785,83],[850,97],[761,174],[864,207],[793,274],[818,169]],"negative_points":[[711,170],[917,186],[814,353],[690,60]],"evidence":"图像右上方独立的鲑红色实心圆盘与目标相符。边界框紧贴圆盘的可见圆周，覆盖整个圆面；六个正点分散位于圆盘内部，四个负点位于圆盘外、远离边缘的深色背景。"}},{"name":"Processor schematic","description":"Large rounded dark board on the right, containing circuit-like connections and functional blocks labeled “REGISTERS”, “DECODE”, “MEMORY”, “ALU”, and “SCHEDULER”. It hosts the instruction-execution demonstration.","membership":"Includes the board’s surface and outer boundary, internal connections, all functional panels and their contents, and data markers while within the board. Separately listed child panels remain part of this region. Excludes the source-code panel, assembly listing, cycle counter, and markers outside the board.","id":"obj_012","temporal":{"status":"found","start_s":8.25,"end_s":30.0,"reference_s":18.0,"evidence":"目标是右侧大型深色圆角处理器板，随后出现 REGISTERS、DECODE、MEMORY、ALU 和 SCHEDULER 面板及电路连线。8.25 秒时板面和完整外边界已建立，后续缩放及内部内容显现不延迟容器起点；前一帧 8.0 秒仍是变形中的粉色形状，尚未形成该板面。最后符合帧为 29.75 秒，目标持续到视频结束，之后没有采样帧。选择 18.0 秒，因板体及全部功能分区清晰完整，便于空间标注。","start_frame":198,"end_frame":720,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[512.2,124.1,956.5,913.2],"positive_points":[[650,287],[870,291],[615,548],[845,535],[729,743],[919,857]],"negative_points":[[204,165],[460,535],[753,75],[982,593]],"evidence":"目标是右侧包含 REGISTERS、DECODE、MEMORY、ALU 和 SCHEDULER 的大型圆角处理器板。边界框紧贴整块板的外边界，涵盖板面、内部连线及所有功能面板。六个正点分布于各功能面板和右下板面；负点位于左侧源代码面板及处理器板左侧、上方和右侧的外部背景。"}},{"name":"Registers panel","description":"Wide upper-left functional block inside the processor schematic, labeled “REGISTERS”, with a row of small register cells that become filled during execution.","membership":"Includes this panel’s surface, rounded border, heading, register cells, and contents within it. Excludes external circuit connections and temporary emphasis effects.","id":"obj_013","temporal":{"status":"found","start_s":9.0,"end_s":30.0,"reference_s":10.0,"evidence":"目标是处理器示意图内部左上方标有“REGISTERS”的宽圆角面板，包含一排寄存器单元。9.0秒时面板表面和完整边框已建立；此前8.75秒仅有极淡的标题，面板结构尚未完整显现。最后合格帧为29.75秒，面板仍在，视频于30.0秒结束，无后续帧。选择10.0秒作关键帧，此时标题、边框及单元格清晰，无遮挡，也无临时强调效果。","start_frame":216,"end_frame":720,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[543.5,225.7,800.3,348.6],"positive_points":[[558,257],[642,257],[589,301],[752,301],[713,248],[778,332]],"negative_points":[[862,286],[612,525],[663,397],[656,192]],"evidence":"目标是处理器示意图左上方标有“REGISTERS”的横向面板。边界框紧贴其圆角外边框，涵盖标题、寄存器单元及面板内部表面。正点分布于标题、单元和面板表面；负点位于右侧DECODE面板、下方MEMORY面板及目标外部的电路背景。"}},{"name":"Decode panel","description":"Small upper-right functional block labeled “DECODE” inside the processor schematic.","membership":"Includes the rounded panel’s surface, boundary, heading, and any internal contents. Excludes surrounding circuit connections.","id":"obj_014","temporal":{"status":"found","start_s":9.25,"end_s":30.0,"reference_s":10.0,"evidence":"目标是处理器示意图内部右上角标有“DECODE”的小圆角面板，包括其表面、边框和标题，不含外围电路线。9.00秒时仍在淡入，9.25秒首次完整呈现；此后持续存在，最后合格帧为29.75秒，因此区间结束于30.00秒。视频结束后无相邻帧可检查。选择10.00秒作为关键帧，面板清晰、无遮挡，易于与其他功能块区分。","start_frame":222,"end_frame":720,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[814.5,225.7,925.3,348.1],"positive_points":[[826.3,256.9],[878.9,256.1],[835.0,303.0],[905.3,310.8],[874.0,326.4],[912.1,243.1]],"negative_points":[[874.0,195.3],[879.0,394.9],[771.5,295.1],[804.7,381.9]],"evidence":"目标是处理器示意图右上方标有“DECODE”的圆角面板。边界框紧贴面板外缘，包含标题、表面和边框。六个正点分布在标题及面板内部；四个负点位于面板外部的线路区域和左侧寄存器面板，排除周围连接。"}},{"name":"Memory panel","description":"Middle-left processor block labeled “MEMORY”. Three storage cells appear inside and acquire the labels “a”, “i”, and “t”; their states change as values are loaded and stored.","membership":"Includes the panel surface, normal border, heading, three cells, variable labels, and internal data contents. Excludes external transfer paths and temporary thick emphasis outlines.","id":"obj_015","temporal":{"status":"found","start_s":9.25,"end_s":30.0,"reference_s":18.5,"evidence":"目标是处理器中部左侧标有“MEMORY”的面板，内部随后出现 a、i、t 三个存储格。9.0 秒时面板仍在淡入，9.25 秒其表面、正常边框和标题已完整建立；内部存储格及内容的后续变化不影响面板连续性。最后 qualifying 帧为 29.75 秒，面板仍完整可见，因此区间延续至视频结束 30.0 秒，之后无采样帧。选择 18.5 秒作为关键帧，三个存储格及变量标签清晰，没有临时粗强调边框或传输点遮挡。","start_frame":222,"end_frame":720,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[543.5,438.4,691,635.4],"positive_points":[[576,469],[575,545],[617,546],[659,546],[617,610],[678,491]],"negative_points":[[660,321],[790,530],[610,712],[521,521]],"evidence":"目标是处理器中部偏左、标有“MEMORY”的面板。边界框紧贴面板常规外框，覆盖面板表面、标题、三个存储单元及 a、i、t 标签。正点分布在标题、单元、变量标签和面板表面；负点位于外部背景及 REGISTERS、ALU、SCHEDULER 等其他面板，排除外部传输���径。"}},{"name":"ALU panel","description":"Middle-right processor block labeled “ALU”, used as the destination for animated arithmetic operands and results.","membership":"Includes the rounded panel’s surface, boundary, heading, and data markers while inside it. Excludes external circuit lines and transfer markers outside its boundary.","id":"obj_016","temporal":{"status":"found","start_s":9.25,"end_s":30.0,"reference_s":23.25,"evidence":"目标是处理器示意图中部右侧标有“ALU”的圆角面板。9.00秒其边框、表面及标题仍在淡入，9.25秒已完整呈现；此后持续存在，最后合格帧为29.75秒，故区间结束于30.00秒，视频末尾无后续帧。选择23.25秒作为关键帧，因为面板边框高亮、标题清晰，且无遮挡，易与其他处理器模块区分。","start_frame":222,"end_frame":720,"reference_frame":558},"grounding":{"status":"found","bbox_xyxy":[766.6,436.6,926.3,637.2],"positive_points":[[785,469],[842,482],[908,505],[794,563],[859,605],[914,622]],"negative_points":[[657,549],[865,291],[810,740],[945,544]],"evidence":"目标是处理器示意图中右侧中部标有“ALU”的圆角面板。边界框紧贴面板外缘，包含边框、内部表面及标题。正点分布在标题和面板内部不同区域；负点位于 MEMORY、DECODE、SCHEDULER 等其他模块及面板右侧外部背景，排除外部线路。"}},{"name":"Source-code panel","description":"Rounded dark panel at the upper left showing “t = a + i” and “i = i + 1”. Individual lines dim as the demonstration advances.","membership":"Includes the panel surface, border, and both code lines throughout their highlighting changes. Excludes the downward arrow, assembly panel below, and external animated markers.","id":"obj_017","temporal":{"status":"found","start_s":9.75,"end_s":30.0,"reference_s":10.0,"evidence":"目标是左上角显示“t = a + i”和“i = i + 1”的深色圆角源代码面板。9.50秒仍处于淡入阶段，9.75秒边框、面板和两行代码已完整清晰呈现，后续缩放及代码行变暗不影响其连续身份。最后 qualifying 帧为29.75秒，目标仍在画面中，区间延续至30.00秒视频结束，无后一帧。选择10.00秒作为关键帧，此时面板清晰、无遮挡，且易与右侧硬件示意图区分。","start_frame":234,"end_frame":720,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[110.5,51.5,290.5,282],"positive_points":[[126,77],[267,87],[145,125],[257,190],[148,250],[275,257]],"negative_points":[[91,152],[312,160],[197,315],[595,265]],"evidence":"目标是左上角显示“t = a + i”和“i = i + 1”的圆角深色源代码面板。边界框紧贴面板外缘，包含表面、边框和两行代码；六个正点分布在代码与面板表面，四个负点位于面板外背景及右侧独立的寄存器面板。"}},{"name":"Scheduler panel","description":"Wide lower functional block inside the processor schematic, labeled “SCHEDULER”.","membership":"Includes the rounded panel surface, border, heading, and internal contents. Excludes circuit connections outside the panel.","id":"obj_018","temporal":{"status":"found","start_s":9.5,"end_s":30.0,"reference_s":10.0,"evidence":"目标是处理器示意图内部下方标有“SCHEDULER”的宽圆角面板，不含外部电路线。9.25秒时边框和标题仍在淡入，9.5秒首次完整清晰呈现；此后持续存在至最后采样帧29.75秒，因此区间结束于30秒，视频末尾无后续帧。选择10秒作为关键帧，面板边界和标题清楚，无遮挡且易与其他模块区分。","start_frame":228,"end_frame":720,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[549,670,899,812],"positive_points":[[583,701],[570,765],[675,749],[762,774],[862,711],[882,785]],"negative_points":[[529,739],[925,737],[704,844],[815,596]],"evidence":"目标是处理器示意图底部标有“SCHEDULER”的宽圆角面板。边界框紧贴面板外缘，包含表面、边框和标题。正点分布在标题及面板内部各区域；负点位于面板左右外部、下方线路区域及上方独立的ALU面板内。"}},{"name":"Generated assembly panel","description":"Rounded panel appearing below the source code, initially empty and then expanding downward as instructions are revealed, beginning with “mov rax, [a]” and ending with “mov [i], rax”.","membership":"Includes the panel’s changing surface and boundary and the complete assembly listing within it. Excludes the source-code panel, connecting arrow, cycle counter, and nearby increment annotations.","id":"obj_019","temporal":{"status":"found","start_s":20.75,"end_s":30.0,"reference_s":29.75,"evidence":"目标是源码框下方的圆角汇编面板。20.50秒尚未出现；20.75秒空面板的完整表面和边界已建立，之后随指令加入而扩展，属于同一容器的内容变化。最后合格帧为29.75秒，面板仍完整可见，故区间延伸至视频结束30.00秒，无后续帧可检查。选择29.75秒作为关键帧，因面板及从“mov rax, [a]”到“mov [i], rax”的完整列表清晰可见，且无遮挡。","start_frame":498,"end_frame":720,"reference_frame":714},"grounding":{"status":"found","bbox_xyxy":[89.4,304.7,311.5,847.2],"positive_points":[[120,379],[264,442],[181,504],[264,633],[191,752],[292,808]],"negative_points":[[201,167],[200,289],[203,965],[351,588]],"evidence":"目标是左侧源代码框下方的圆角汇编面板。边界框紧贴面板外缘，包含面板表面、边框及从“mov rax, [a]”到“mov [i], rax”的完整列表。正点分布在多行指令和面板下部表面；负点位于上方源代码框、连接箭头、下方周期计数及右侧外部背景。"}},{"name":"Cycle counter","description":"Independent text below the assembly panel showing the accumulated execution cost, progressing from “0 cycles” to “208 cycles”, with nearby temporary cost increments.","membership":"Includes the current numeric value and “cycles” as one reading unit. Excludes the assembly panel and separate transient “+40” or “+4” increment annotations.","id":"obj_020","temporal":{"status":"found","start_s":20.75,"end_s":30.0,"reference_s":29.5,"evidence":"目标是汇编面板下方独立的累计周期读数，由数字和“cycles”组成，不包括旁边临时出现的“+40”“+4”。20.75秒首次完整显示“0 cycles”，前一帧20.5秒尚无计数器；此后读数持续更新，最后一帧29.75秒仍完整显示“208 cycles”。区间延伸至视频结尾，没有后续帧。选择29.5秒作为关键帧，此时“208 cycles”清晰完整，且无临时增量文字干扰。","start_frame":498,"end_frame":720,"reference_frame":708},"grounding":{"status":"found","bbox_xyxy":[123,944.4,277.4,988.7],"positive_points":[[131.3,947.9],[141,962.7],[162.6,961.8],[188,964.4],[239.3,953.1],[272,955.7]],"negative_points":[[100,963],[298,961],[201,918],[196,754]],"evidence":"目标是汇编面板下方独立显示的“208 cycles”。边界框紧贴完整数值和单词，包含字母下伸部分。六个正点分布于数字及字母笔画上；负点位于文字外侧背景、上方空白和被排除的汇编面板内。"}}]}
+{"video_id":234,"video_type":"data and scientific visualization","targets":[{"name":"Pathfinding grid","description":"Large square-cell board above the controls, containing a green start cell, a pink destination cell, a vertical striped weight barrier, and a dark teal wall. During the demonstration, purple explored cells spread across the board and a yellow route appears around the barriers.","membership":"Include the entire bounded grid surface, its grid lines, and all cells and their changing fills, including the endpoints, barriers, exploration animation, and resulting route. Exclude the controls and text below the board.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":6.75,"evidence":"目标是控件上方的完整方格棋盘，包含绿色起点、粉色终点、竖直条纹权重障碍及深青色墙。首个合格帧为0秒，最后为7.75秒；棋盘边界和网格始终完整，紫色探索区域及黄色路径的变化属于内部填充变化。区间覆盖视频全程，起点之前和终点之后均无采样帧。选择6.75秒作为关键帧，因为棋盘完整清晰，探索区域和最终黄色路线均已显示，易于区分棋盘与下方控件。","start_frame":0,"end_frame":192,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[0,0,1000,839.7],"positive_points":[[72,90],[167,418],[405,325],[596,580],[882,419],[787,731]],"negative_points":[[266,883],[396,879],[704,907],[60,926]],"evidence":"目标是控件上方的大型方格棋盘，可由绿色起点、粉色终点、条纹障碍和深青色墙识别。边界框覆盖完整棋盘表面、网格线及所有单元格填色。正点分布在空白格、起终点和障碍区域；负点位于棋盘下方的按钮、图例和说明文字区域。"}},{"name":"Wall and weight palette","description":"Compact two-option tool palette at the lower left, labeled \"wall\" and \"weight\", with dark teal and diagonally striped swatches. The weight option is selected.","membership":"Include both stacked option surfaces, their shared outer boundary, swatches, labels, and selection coloring. Exclude the adjacent algorithm selector.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":4.25,"evidence":"目标是左下角标有“wall”和“weight”的双层工具面板，分别带深青色和斜条纹色块，weight 项以蓝色选中；不含右侧算法选择器。首帧 0.00 秒已完整呈现，末帧 7.75 秒仍完整可见，运行时变淡的控件样式不改变面板结构或连续存在。区间覆盖视频全长，起止边界外均无采样帧。选择 4.25 秒作为关键帧，此时相邻下拉菜单已关闭，目标清晰且无遮挡。","start_frame":0,"end_frame":192,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[13.7,856.0,69.8,955.9],"positive_points":[[25.4,881.0],[50.3,881.0],[62.5,898.3],[25.4,929.0],[51.3,930.9],[62.0,946.3]],"negative_points":[[80.6,902.1],[41.5,830.1],[46.4,974.1],[136.7,931.9]],"evidence":"目标是左下角标有“wall”和“weight”的双层工具面板，weight 行呈蓝色选中状态。边界框覆盖两行表面、共同外框、色块和标签。正点分布在两行的色块、文字及面板表面；负点位于面板外的上方网格、右侧与下方背景，以及相邻选择器内。"}},{"name":"Algorithm selector","description":"Algorithm dropdown beside the terrain palette. Initially expanded, it lists \"Dijkstra's\", \"A*\", \"BFS\", \"DFS (Iterative)\", and \"DFS (Recursive)\". It then closes with \"A*\" displayed.","membership":"Include the selector field, its border, displayed value, dropdown arrow, and the expanded option menu whenever visible. Include option highlighting and the selection checkmark, but exclude the cursor and adjacent launch button.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":2.75,"evidence":"目标是地形工具右侧、Launch Algorithm 按钮左侧的算法选择器。0秒起其展开菜单已完整显示五个算法选项、选中勾号及高亮；4秒时收起并显示 A*，属于同一控件的状态变化。最后一个合格帧为7.75秒，选择器仍完整可见，因此区间覆盖至8秒。区间已达视频首尾，两端均无外侧采样帧。选择2.75秒作关键帧，展开菜单边界、选项及 A* 选中状态清晰，便于标注。","start_frame":0,"end_frame":192,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[85.4,832.1,207.5,992.3],"positive_points":[[119.6,852.7],[93.3,883.9],[108.4,912.7],[145.0,941.5],[133.3,971.2],[205.6,877.2]],"negative_points":[[173.8,897.3],[259.3,882.0],[45.4,930.9],[224.6,809.0]],"evidence":"目标是地形调色板右侧已展开的算法选择器，菜单列出 Dijkstra's、A*、BFS 和两种 DFS。框覆盖完整菜单及右侧露出的选择字段和箭头；正点分布在各选项、选中标记及字段上，负点位于被排除的鼠标指针、启动按钮、地形调色板和上方网格背景。"}},{"name":"Launch Algorithm button","description":"Blue button immediately to the right of the algorithm selector, labeled \"Launch Algorithm\". It is activated to begin the grid animation and becomes temporarily muted.","membership":"Include the button surface, boundary, and label through its enabled and disabled states. Exclude external focus effects, the cursor, and neighboring controls.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":4.5,"evidence":"目标是算法选择框右侧标有“Launch Algorithm”的蓝色按钮，包含按钮表面、边界和文字。首个合格帧为0秒，最后为7.75秒；其间按钮始终存在，动画运行时的暂时变淡属于禁用状态，不中断出现。区间覆盖视频首尾，两端均无外侧采样帧。选择4.5秒作为关键帧，此时下拉菜单已关闭，按钮结构和标签清晰，易与相邻控件区分。","start_frame":0,"end_frame":192,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[207.5,860.8,326.2,904.0],"positive_points":[[214.4,873.3],[224.6,892.5],[249.0,869.5],[268.1,882.9],[287.1,892.5],[316.4,876.2]],"negative_points":[[146.5,882.9],[266.1,930.9],[385.7,880.0],[334.0,894.4]],"evidence":"目标是底部算法选择框右侧、标有“Launch Algorithm”的蓝色按钮。边界框紧贴按钮表面和边界，包含标签；正点分布在按钮左右及中部，避开手形光标。负点位于算法选择框、下方生成迷宫按钮、右侧清理路径按钮及外部空白，不包含邻近控件。"}},{"name":"Maze generation controls","description":"Compact row below the algorithm controls, with a dropdown displaying \"Recursive Division\" and a blue \"Generate Maze\" button. The dropdown is initially largely hidden by the open algorithm menu.","membership":"Include the maze dropdown field, its value and arrow, and the adjoining Generate Maze button with its label and boundary. Exclude the overlapping algorithm menu and the row above.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":4.25,"evidence":"目标是算法控制行下方的“Recursive Division”下拉框及相邻蓝色“Generate Maze”按钮。首个合格帧为0秒：该行已建立，下拉框只是被打开的算法菜单遮挡，并非正在构建；菜单关闭后可确认同一控件持续存在。最后合格帧为7.75秒，期间禁用变淡不属于退出。区间到达视频首尾，两端均无区间外采样帧。选择4.25秒作为关键帧，此时下拉框、箭头和按钮均清楚完整且无遮挡。","start_frame":0,"end_frame":192,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[90.3,908.8,326.7,952.0],"positive_points":[[101.1,921.3],[154.8,936.7],[202.0,929.0],[221.2,920.3],[263.7,931.9],[316.4,940.5]],"negative_points":[[144.0,880.0],[267.0,881.0],[393.0,879.0],[342.0,967.0]],"evidence":"目标是底部算法控制行下方的迷宫生成控制行，可见“Recursive Division”下拉框和相邻蓝色���Generate Maze”按钮。边框紧贴两项控件的整体可见边界；六个正点分布于下拉框、箭头及按钮表面和标签，四个负点位于上方算法控件、右侧清理按钮和外部背景，排除上一行。"}},{"name":"Path management controls","description":"Horizontal outlined button group beneath the board, labeled \"Clean Path\", \"Reset Field\", and \"Cancel Animation\". Their enabled appearance changes during the search.","membership":"Include the three adjoining button surfaces, outlines, separators, and labels. Exclude the sliders below and the status text to the right.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":4.25,"evidence":"目标是棋盘下方横向相接的三个描边按钮，标签为“Clean Path”“Reset Field”“Cancel Animation”，不含下方滑块及右侧状态文字。首个合格帧为0秒，最后为7.75秒；按钮表面、边框、分隔线和标签始终完整可见，搜索期间启用外观变化不影响连续性。区间覆盖视频首尾，两端均无区间外采样帧。选择4.25秒为关键帧，此时下拉菜单已关闭，三个按钮清晰且无遮挡。","start_frame":0,"end_frame":192,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[340.3,857,660.2,901.2],"positive_points":[[365,870],[426,889],[465,887],[527,874],[580,872],[641,889]],"negative_points":[[410,939],[594,939],[720,905],[268,879]],"evidence":"目标是棋盘下方标有“Clean Path”“Reset Field”“Cancel Animation”的横向三按钮组。边界框紧贴整组外框，包含按钮表面、标签和分隔线。六个正点分布在三个按钮内；负点位于下方滑块、右侧状态文字和左侧启动按钮上。"}},{"name":"Grid Dimension slider","description":"Slider below the path-management buttons, labeled \"Grid Dimension(21 cells/row)\", with its thumb near the left end.","membership":"Include the dimension label and value together with the slider track and thumb. Exclude neighboring buttons and the Animation Delay control.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":4.25,"evidence":"目标位于路径管理按钮下方，由“Grid Dimension(21 cells/row)”标签、滑轨及靠左的滑块组成，不含右侧 Animation Delay 控件。首个合格帧为0秒，末个为7.75秒，全程结构完整可见；动画运行时控件变灰不影响其连续存在。区间覆盖视频首尾，边界之外没有采样帧。选择4.25秒作为关键帧，此时菜单已关闭，标签、轨道和滑块清晰且无遮挡。","start_frame":0,"end_frame":192,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[344.2,906.9,496.1,949.1],"positive_points":[[367.7,914.6],[412.6,913.6],[458.0,915.5],[353.5,939.5],[397.0,939.5],[482.9,939.5]],"negative_points":[[392.6,878.1],[511.2,939.5],[551.8,914.6],[420.4,966.4]],"evidence":"目标位于底部路径管理按钮下方，由“Grid Dimension(21 cells/row)”标签及其滑轨、靠左的蓝色滑块组成。边界框紧贴标签和完整滑动控件；正点分布在标签文字、滑块及滑轨上，负点位于上方按钮、右侧 Animation Delay 控件和下方外部背景。"}},{"name":"Animation Delay slider","description":"Slider to the right of the grid-dimension control, labeled \"Animation Delay(15 ms)\", with a blue thumb near the left end.","membership":"Include the delay label and value together with its slider track and thumb. Exclude the neighboring dimension control and status block.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":4.25,"evidence":"目标位于底部网格尺寸控件右侧，由“Animation Delay(15 ms)”标签及其下方灰色滑轨、靠左的蓝色滑块组成。首个合格帧为0秒，最后为7.75秒，全程结构完整可见，因此区间为[0,8)。区间到达视频两端，没有更早或更晚的采样帧。选择4.25秒作为关键帧，此时下拉菜单已关闭，目标标签和滑轨清晰且无遮挡。","start_frame":0,"end_frame":192,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[504.4,906,656.3,949.1],"positive_points":[[534.7,915.5],[578.6,914.6],[619.1,915.5],[511.2,939.5],[559.6,939.5],[647,939.5]],"negative_points":[[415,914.6],[353.5,939.5],[716.8,907.9],[605.5,879.1]],"evidence":"目标位于底部网格尺寸控件右侧，由“Animation Delay(15 ms)”标签、灰色滑轨及靠左的蓝色滑块组成。边界框覆盖完整标签和值以及滑轨、滑块；正点分布在文字、滑块和滑轨上，负点位于左侧尺寸控件、右侧状态文字及上方按钮。"}},{"name":"Algorithm status and results","description":"Text block at the lower right, initially headed \"Choose Algorithm/Maze To Animate\" with \"Cost: 19\" and \"Nodes Visited: 20\". After the animation it reads \"A* heads towards the target, relies on G/H/F costs\", with \"Cost: 21\" and \"Nodes Visited: 22\".","membership":"Include the heading or explanatory line and the two result lines as one continuously updated text block. Exclude the white backing area, adjacent controls, and the moon and information icons.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":6.75,"evidence":"目标是右下角由标题或说明行、Cost 和 Nodes Visited 两行组成的文本块，不含白色背景及旁边图标。首个合格帧为0秒，文字已完整显示；6.75秒更新为A*说明、Cost: 21和Nodes Visited: 22，属于同一文本块的内容更新。最后合格帧为7.75秒，仍完整可见，因此区间为[0,8)。区间到达视频两端，之前和之后均无采样帧。选择6.75秒作为关键帧，因为更新后的三行文字清晰完整且无遮挡。","start_frame":0,"end_frame":192,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[693.8,871.4,901.4,942.4],"positive_points":[[695.3,882.9],[831.1,882.0],[695.3,905.0],[723.1,907.9],[695.3,932.8],[763.7,936.7]],"negative_points":[[982.4,886.8],[982.4,915.5],[605.5,879.1],[830.1,958.7]],"evidence":"目标位于右下角，以“A* heads towards the target, relies on G/H/F costs”为首行，下方显示“Cost: 21”和“Nodes Visited: 22”。边界框紧贴这三行文字；六个正点分布于各行字形上，四个负点位于相邻按钮、月亮与信息图标及文字块外的白色背景，均排除在目标之外。"}}]}
+{"video_id":235,"video_type":"data and scientific visualization","targets":[{"name":"BROWSER WARS title block","description":"Upper-left heading reading \"BROWSER WARS\", with the cyan subtitle \"WORLDWIDE MARKET SHARE HISTORY | 1995-2026\" directly below.","membership":"Includes both lines of title text as one compact block. Excludes the surrounding header frame, background, leader panel, and date panel.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":0,"evidence":"目标是左上角白色“BROWSER WARS”及其下方青色“WORLDWIDE MARKET SHARE HISTORY | 1995-2026”两行文字，不含外围框及其他面板。首个合格帧为0秒，最后合格帧为19.75秒；整个采样序列中文字均完整可见，无淡入淡出或遮挡。区间覆盖视频起止，两端均无额外相邻帧可检查。选择0秒作为关键帧，两行文字清晰完整，便于标注。","start_frame":0,"end_frame":480,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[38.5,59.3,352.6,144.4],"positive_points":[[41.7,76.9],[169.8,78.7],[311.5,63.9],[41.7,125.9],[180.2,125.0],[288.0,132.4]],"negative_points":[[23.4,83.3],[177.1,161.1],[463.5,101.9],[859.4,103.7]],"evidence":"目标位于左上角，由白色“BROWSER WARS”和下方青色副标题组成。边界框紧贴两行完整文字；六个正点分布在两行文字笔画上，四个负点位于左侧边框、文字下方背景、领导者面板和日期面板，均排除在目标之外。"}},{"name":"Current browser leader panel","description":"Cyan-outlined rounded panel at the top center. Displays \"Leader: Chrome\" with an updating percentage, followed by \"The modern browser era\".","membership":"Includes the rounded panel surface, outline, and all enclosed text and separator. Excludes the larger surrounding header frame and adjacent title and date regions.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":0,"evidence":"目标是顶部中央的青色描边圆角面板，包含“Leader: Chrome”、更新的百分比、分隔线及“The modern browser era”，不含外围大标题框和日期区。首个合格帧为0.00秒，最后为19.75秒；面板表面、边界及文字始终完整可见，数值变化不影响其连续性。区间覆盖视频全程，起点之前和终点之后均无采样帧。选择0.00秒为关键帧，因为面板清晰完整、无遮挡，易于与相邻区域区分。","start_frame":0,"end_frame":480,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[382.8,53.7,725.5,152.8],"positive_points":[[400,80],[458,99],[540,103],[650,100],[710,124],[520,139]],"negative_points":[[180,95],[855,102],[555,26],[560,191]],"evidence":"目标是顶部中央显示“Leader: Chrome 52.5% | The modern browser era”的青色描边圆角面板。边界框紧贴面板外缘，包含表面、描边及全部内部文字。正点分布于面板内部不同区域及文字上；负点位于左侧标题、右侧日期和面板上下的外部背景，排除外围大标题框及相邻区域。"}},{"name":"Month and year panel","description":"Orange rounded rectangle at the upper right displaying the chart's changing month and year, initially \"FEB 2017\".","membership":"Includes the complete orange panel, its boundary, and the enclosed date text. Excludes the surrounding header frame and background.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":0,"evidence":"目标是右上角包含日期文字的橙色圆角矩形面板，不包括外层页眉框。首个合格帧为0.00秒，面板边界和“FEB 2017”文字完整；此后仅日期内容变化，面板持续完整可见，最后合格帧为19.75秒（“OCT 2020”）。区间覆盖视频��尾，两端均无区间外采样帧。选择0.00秒作关键帧，目标清晰、无遮挡且易于区分。","start_frame":0,"end_frame":480,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[760.4,48.1,960.9,157.4],"positive_points":[[780,80],[940,78],[789,134],[936,132],[825,101],[905,102]],"negative_points":[[743,102],[973,102],[861,27],[862,192]],"evidence":"目标是右上角显示“FEB 2017”的橙色圆角日期面板。边界框紧贴整个面板，包含边界和日期文字；正点分布于橙色表面及文字区域，负点位于面板左右、上方和下方的外部背景或页眉区域。"}},{"name":"Animated browser market-share ranking chart","description":"Main horizontal bar chart below the header, with \"BROWSER\" and \"MARKET SHARE\" headings. Numbered browser rows contain logos, names, colored bars, and percentage labels; their lengths, values, order, and membership change as the dates advance.","membership":"Includes the chart headings, percentage scale, grid, numbered rank badges, dark row tracks, browser icons and names, colored bars, and value labels. Moving, entering, and departing browser rows remain within the chart's region, including rows temporarily extending below the usual eighth position. Excludes the top title and information panels, the independent bottom caption, and decorative scene background.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":0,"evidence":"目标是标题下方带有“BROWSER”和“MARKET SHARE”表头的横向排名图，包含刻度、网格、排名徽章、浏览器图标名称、条形及百分比。首个合格帧为0.00秒，图表结构已完整建立；最后合格帧为19.75秒，图表仍完整可见。期间行的排序、成员和数值变化不改变图表身份。区间覆盖视频首尾，两端均无区间外采样帧。选择0.00秒作为关键帧，因为八行清晰分离、无遮挡，便于标注且可与顶部面板和底部独立说明区分。","start_frame":0,"end_frame":480,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[25,204,973,898],"positive_points":[[302,213],[40,282],[520,284],[810,446],[166,770],[270,852]],"negative_points":[[181,83],[548,102],[859,103],[498,971]],"evidence":"目标是页眉下方的浏览器市场份额横向排名图。边界框覆盖图表标题、百分比刻度与网格、八行排名徽章、图标、名称、深色轨道、彩色条及数值。正点分布在标题、排名徽章、条形、轨道和浏览器名称上；负点位于顶部主标题、信息面板、日期面板及底部独立说明文字，均不属于图表。"}},{"name":"Bottom market-share caption","description":"Small centered footer reading \"BROWSER MARKET SHARE | 1995-2026\" beneath the ranking chart.","membership":"Includes only the caption's lettering and separator. Excludes its background and any animated chart row passing behind or beside it.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":0,"evidence":"目标是排名图下方居中的小字“BROWSER MARKET SHARE | 1995-2026”，仅包含文字和分隔符。首个合格帧为0秒，最后合格帧为19.75秒；整个采样序列中文字均完整可见，未见淡入或退出。区间覆盖视频首尾，两端均无额外相邻帧。选择0秒作为关键帧，字幕清晰完整，且无遮挡，便于标注。","start_frame":0,"end_frame":480,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[409.9,963.9,589.6,979.6],"positive_points":[[411.5,969.4],[448.4,965.3],[462.5,969.4],[503.1,966.2],[540.6,971.3],[587.0,973.1]],"negative_points":[[395.8,970.4],[606.8,970.4],[500.0,945.4],[500.0,991.7]],"evidence":"目标是排名图下方居中的小字“BROWSER MARKET SHARE | 1995-2026”。边界框紧贴整段文字及分隔竖线；六个正点分布在字幕字形和分隔线上，四个负点位于字幕左右及上下的外部深色背景。"}}]}
+{"video_id":236,"video_type":"data and scientific visualization","targets":[{"name":"Animated demographic bubble chart","description":"The large selected chart on the report canvas compares crude birth rate, crude death rate, and population for Angola, Bhutan, Cambodia, and Nicaragua as the year advances.","membership":"Includes the chart's white surface, boundary, title, country legend, plot grid, axes and labels, four animated bubbles, year display, and playback timeline. Excludes surrounding application controls, selection handles, and the floating hover tooltip.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":3,"evidence":"目标是画布上完整的白色人口气泡图，包含标题、四国图例、坐标轴与网格、四个气泡、年份和播放时间轴，不含外围应用控件、选择手柄及悬浮提示。首个合格帧为0.00秒，末个为24.75秒；图表表面和边界始终完整，年份与气泡位置变化不改变其身份。区间覆盖视频首尾，边界外没有 sampled 帧。选择3.00秒作为关键帧，因为图表清晰、四个气泡彼此分离且没有悬浮提示遮挡。","start_frame":0,"end_frame":600,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[70.3,279.2,687.5,830.6],"positive_points":[[284.4,288.9],[305.5,384.7],[471.1,572.2],[623.4,379.2],[190.6,577.8],[350.8,779.2]],"negative_points":[[219.5,105.6],[16.4,266.7],[804.7,527.8],[389.1,879.2]],"evidence":"目标是画布中央的大型人口动态气泡图，可由四国图例、出生率和死亡率坐标轴、四个气泡及“1977”年份识别。框覆盖图表白色表面、边界、标题、图例、绘图区和播放时间轴，不将选择手柄或外围控件作为目标。正点分布于标题、气泡、年份、绘图表面和时间轴；负点位于上方功能区、左侧导航、右侧设置面板及图表下方画布。"}},{"name":"Angola bubble","description":"The teal circular population marker identified by the legend as Angola. It begins near the other three markers in the lower-right portion of the plot and remains above the smaller dark and yellow markers for much of the animation.","membership":"Includes the filled circular marker through changes in position and size. Excludes other markers, gridlines, cursor, and hover tooltip; overlapping markers remain separate subjects.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":10,"evidence":"目标是图例标为 Angola 的青绿色实心圆形人口气泡，可连续追踪其位置和大小变化，区别于红、深灰和黄色标记。首个合格帧为0.00秒，末个为24.75秒，均显示完整气泡；期间短暂的鼠标或悬浮提示遮挡不改变其身份。区间覆盖视频全长，起点之前及终点之后均无采样帧。选择10.00秒作为关键帧，此时气泡轮廓清晰，与其他标记分离且无遮挡。","start_frame":0,"end_frame":600,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[473.4,541.7,508.0,603.0],"positive_points":[[490.6,555.6],[480.5,565.3],[499.2,562.5],[484.4,584.7],[496.9,587.5],[490.6,573.6]],"negative_points":[[565.6,604.2],[418.0,631.9],[404.7,665.3],[462.5,548.6]],"evidence":"根据图例中 Angola 对应的青绿色，确定目标为绘图区内位于深灰色和黄色小气泡右上方的青绿色圆形气泡。边界框紧贴该气泡的可见外缘；六个正点分布于其填充区域，四个负点分别位于粉红、深灰、黄色其他气泡及左上方鼠标指针处。"}},{"name":"Bhutan bubble","description":"The small dark gray circular population marker identified by the legend as Bhutan. Initially between the teal and yellow bubbles, it moves toward the lower-left part of the plot.","membership":"Includes only the dark gray circular marker through its movement and size changes. Excludes neighboring bubbles and the plot background.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":16,"evidence":"依据图例中 Bhutan 对应的深灰色识别小圆形人口标记；它起初位于青色与黄色气泡之间，随后连续移向绘图区左下方。首个合格帧为0秒，最后为24.75秒，标记均已完整显示，期间移动和尺寸变化不影响其身份。区间覆盖视频全长，起点前与终点后均无采样帧。选择16秒作为关键帧，此时深灰圆点与其他气泡明显分离，轮廓清楚、无遮挡。","start_frame":0,"end_frame":600,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[290.6,634.7,306.3,662.5],"positive_points":[[295.3,641.7],[300.8,643.1],[293.8,650.0],[298.4,650.0],[301.6,654.2],[296.9,656.9]],"negative_points":[[506.3,566.7],[383.6,680.6],[437.5,643.1],[273.4,680.6]],"evidence":"目标是绘图区左下方、与图例 Bhutan 对应的小深灰色圆形气泡。边界框紧贴该圆形标记；六个正点分布在其内部，四个负点分别位于青色、黄色、红色邻近气泡及左下方绘图背景上。"}},{"name":"Cambodia bubble","description":"The coral-red circular population marker identified by the legend as Cambodia. It initially sits left of the teal bubble, travels into the upper-left plot area, then moves far right before descending and moving left.","membership":"Includes the red circular marker through all positions and size changes. Excludes other markers, including those it overlaps, and the chart background.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":2,"evidence":"依据图例 Cambodia 对应的珊瑚红色圆形人口标记及其连续运动轨迹识别目标。首个合格帧为0.00秒，最后为24.75秒；期间圆形标记持续存在，位置、大小变化及与其他标记重叠不改变身份。区间覆盖视频首尾，两端均无更外侧的 sampled frame 可检查。选择2.00秒为关键帧，此时红色圆位于图表左上方，轮廓完整，与其他气泡分离，便于标注。","start_frame":0,"end_frame":600,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[271.1,336.1,305.1,395.8],"positive_points":[[282.0,347.2],[295.3,350.0],[276.6,365.3],[289.8,370.8],[281.3,383.3],[298.4,379.2]],"negative_points":[[476.6,572.2],[476.6,648.6],[476.6,611.1],[258.6,416.7]],"evidence":"根据图例，绘图区左上方的珊瑚红圆形标记对应 Cambodia。边界框紧贴该圆形的可见外缘，六个正点分布在红色圆面内；负点位于右下方的青色、黄色、深灰色标记及圆外图表背景上。"}},{"name":"Nicaragua bubble","description":"The yellow circular population marker identified by the legend as Nicaragua. It starts below the other markers and moves leftward near the bottom of the plot.","membership":"Includes the yellow circular marker through movement and size changes. Excludes neighboring or overlapping bubbles and the chart background.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":8.5,"evidence":"目标是图例中 Nicaragua 对应的黄色圆形人口标记，起初位于其他气泡下方，随后沿图表底部向左移动并改变大小。首个合格帧为0秒，最后为24.75秒；期间持续存在，与邻近气泡的局部重叠不改变其身份。区间覆盖视频首尾，两端均无额外采样帧可检查。选择8.5秒作为关键帧，此时黄色圆形完整清晰，与其他气泡分离，便于标注。","start_frame":0,"end_frame":600,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[406.3,643.1,429.7,684.7],"positive_points":[[418,663.9],[412.5,655.6],[422.7,654.2],[425.8,665.3],[419.5,676.4],[410.9,669.4]],"negative_points":[[432,631.9],[476.6,572.2],[593.8,594.4],[390.6,666.7]],"evidence":"依据图例，尼加拉瓜对应黄色；目标是绘图区下方、灰色气泡左下侧的黄色圆形人口标记。边界框紧贴该黄色圆形，六个正点分布在其内部不同位置；负点分别位于灰色、青色、红色气泡及左侧图表背景，排除其他标记与背景。"}},{"name":"Current animation year","description":"The large gray year text at the upper-right inside the plot, updating from 1973 through 2003 in the sampled frames.","membership":"Includes the complete currently displayed year digits as one updating text unit. Excludes the white chart surface, gridlines, and nearby cursor.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标是绘图区右上角的大号灰色四位年份，作为同一文本单元从1973持续更新至2003。首个合格帧为0.00秒，年份1973已完整显示；最后合格帧为24.75秒，2003仍完整可见，全程无消失或退出。区间到达视频首尾，边界外没有采样帧。选择0.00秒作为关键帧，年份轮廓清晰且没有光标遮挡。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[600,355.6,670.3,402.8],"positive_points":[[607.8,380.6],[622.7,359.7],[629.7,384.7],[644.5,359.7],[665.6,365.3],[664.8,395.8]],"negative_points":[[586.7,377.8],[677.3,379.2],[633.6,331.9],[633.6,429.2]],"evidence":"目标是绘图区右上方的大号灰色“1973”。边界框紧贴完整四位年份数字；六个正点分布在数字笔画上，四个负点位于年份外侧的白色图表背景，避开文字内部空隙。"}},{"name":"Year playback timeline","description":"The horizontal playback control beneath the plot, with a circular pause button, a moving slider, and annual ticks labeled from 1971 to 2010.","membership":"Includes the pause control, slider track and thumb, tick marks, and year labels as one functional control. Excludes the birth-rate axis label above it and the chart selection boundary.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":2,"evidence":"目标是散点图下方的年份播放控件，包含圆形暂停按钮、滑轨及滑块、1971—2010年的刻度和标签，不含上方出生率轴标题及图表选择边框。首次合格帧为0.00秒，最后为24.75秒；整个采样序列中控件结构完整，滑块移动不影响其连续存在。区间覆盖视频首尾，两端均无额外相邻帧。选择2.00秒作为关键帧，控件完整清晰且无遮挡，便于标注。","start_frame":0,"end_frame":600,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[77.3,747.2,684.4,804.2],"positive_points":[[83.6,761.1],[174.2,758.3],[246.9,780.6],[396.1,780.6],[528.1,797.2],[675.0,780.6]],"negative_points":[[394.5,739.6],[379.7,830.6],[578.1,691.7],[565.6,877.8]],"evidence":"目标是散点图下方标有1971至2010年的播放时间轴。边框覆盖圆形暂停按钮、滑轨和滑块、年度刻度及年份文字。正点分布在暂停符号、滑块、不同位置的刻度和年份字形上；负点位于上方出生率轴标题、图表选框边界及控件外的空白区域。"}},{"name":"Visualizations panel","description":"The dark right-side panel headed \"VISUALIZATIONS\", containing the chart-type gallery and field assignments for Details, Legend, X Axis, Y Axis, Size, and Play Axis.","membership":"Includes the panel surface, boundary, heading, visualization icons, configuration tabs, scrollbar, and field wells with their contents. Excludes the adjacent Fields panel and the report canvas.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标是报告画布右侧、Fields 面板左侧的深色 VISUALIZATIONS 面板，包含图表图标、配置选项卡、滚动条及 Details、Legend、X Axis、Y Axis、Size、Play Axis 字段槽。首帧 0.00 秒已完整呈现，持续可见至末帧 24.75 秒，没有淡出或移除，因此区间为 [0,25)。区间两端均为视频边界，没有更早或更晚的采样帧。选择 0.00 秒作为关键帧，面板边界清楚、内容完整且无遮挡。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[742.2,183.3,872.7,972.2],"positive_points":[[791,213],[776,324],[793,458],[804,536],[806,689],[803,934]],"negative_points":[[934,214],[937,470],[694,521],[700,866]],"evidence":"目标是右侧标题为“VISUALIZATIONS”的深色面板。边界框覆盖标题、图表类型图标、配置选项卡、滚动条及 Details、Legend、X Axis、Y Axis、Size、Play Axis 字段区域，止于底部状态栏上方。正点分布于标题、图标、选项卡及字段区域；负点位于右邻 Fields 面板和左侧报告画布，均不属于目标。"}},{"name":"Fields panel","description":"The far-right dark panel headed \"FIELDS\", showing a search box and the expanded \"Table1\" list with Country, Country Code, demographic measures, and Year.","membership":"Includes the panel surface, boundary, heading, search control, table entry, field rows, and checkboxes. Excludes the adjacent Visualizations panel and application ribbon.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标是最右侧标题为“FIELDS”的深色面板，包含搜索框、展开的“Table1”、字段行及复选框，与左邻 Visualizations 面板区分明确。首个合格帧为0.000秒，最后为24.750秒；整个采样序列中面板表面、边界和布局始终完整可见。区间覆盖视频起止，边界外没有采样帧。选择0.000秒为关键帧，因为面板清晰完整且无遮挡。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[872.7,183.3,999.2,972.2],"positive_points":[[901,214],[933,269],[919,323],[948,415],[961,498],[934,780]],"negative_points":[[807,216],[800,558],[838,856],[724,113]],"evidence":"目标是最右侧标题为“FIELDS”的深色面板，包含搜索框、展开的Table1及字段列表。边界框覆盖该面板从顶部到状态栏上方的完整区域。正点分布在标题、搜索控件、表项、字段行及下部面板表面；负点位于左邻Visualizations面板和上方功能区，均不属于目标。"}},{"name":"Angola data tooltip","description":"The dark floating information box appearing beside the teal bubble late in the sequence. It identifies Angola and shows crude birth rate 47, crude death rate 27, population 10761, and year 2002.","membership":"Includes the tooltip's dark backing, pointer, and complete label-value contents, including its brief fade. Excludes the underlying chart, teal bubble, and cursor.","id":"obj_010","temporal":{"status":"found","start_s":23.75,"end_s":24.25,"reference_s":24.0,"evidence":"深色浮动提示框位于青绿色气泡旁，含指针及 Angola、出生率47、死亡率27、人口10761、年份2002。首个合格帧为23.75秒，最后为24.00秒；23.50秒尚无提示框，24.25秒已开始淡出，按退出规则排除。选择24.00秒作为关键帧，框体及标签数值完整清晰。","start_frame":570,"end_frame":582,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[498.4,558.3,714.1,711.1],"positive_points":[[501.6,575],[516.4,570.8],[687.5,590.3],[555.5,613.9],[633.6,659.7],[694.5,694.4]],"negative_points":[[486.7,550],[484.4,586.1],[588.3,511.1],[211.7,666.7]],"evidence":"深灰色浮动提示框显示 Angola、出生率47、死亡率27、人口10761及年份2002，与目标一致。边界框覆盖完整深色底板、左侧尖角和全部标签数值。正点分布于尖角、底板及文字区域；负点位于青绿色气泡、鼠标光标、上方图表背景和粉红色气泡，均不属于提示框。"}}]}
+{"video_id":237,"video_type":"data and scientific visualization","targets":[{"name":"Reference right triangle","description":"The stationary blue right triangle at the upper left, with horizontal leg labeled “a”, vertical leg labeled “b”, and sloping hypotenuse labeled “c”. Colored copies temporarily overlap it.","membership":"Includes the triangular surface, its three edges, and its associated a, b, and c labels. Excludes the independently moving colored triangles.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":10,"evidence":"目标是左上角固定的蓝色直角三角形及其 a、b、c 标签，不包括移动的彩色副本。首个合格帧为 0.00 秒，此时彩色副本与其重叠，随后帧确认底下的蓝色参考三角形持续存在；这些临时遮挡不打断连续出现。最后合格帧为 29.75 秒。区���覆盖视频首尾，两端均无额外相邻帧。选择 10.00 秒作为关键帧，三角形及三个标签清晰完整，未被移动副本遮挡。","start_frame":0,"end_frame":720,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[77.1,40.7,240.1,415.7],"positive_points":[[204.7,113.0],[168.2,276.9],[107.3,355.6],[143.2,401.9],[228.6,201.9],[126.0,211.1]],"negative_points":[[364.6,305.6],[572.9,259.3],[52.1,240.7],[250.0,388.9]],"evidence":"目标是左上角独立的蓝色直角三角形。边界框包含三角形表面、三条边及其关联的 a、b、c 标签；六个正点分布于蓝色表面和三个字母笔画上。负点位于右侧紫色、绿色三角形及目标外部黑色背景，排除其他彩色三角形。"}},{"name":"Square rearrangement diagram","description":"The large outlined square at center-right used for the geometric proof. Its top and right sides are labeled with segments “a” and “b”; its contents change from four corner triangles surrounding a tilted square to two colored rectangles and two unshaded squares.","membership":"Includes the outer square boundary, its entire enclosed surface and changing contents, and the external side-length labels. Separately listed shapes inside it remain part of this container. Excludes the reference triangle and the equation beneath the diagram.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":8,"evidence":"目标是画面中右侧的大正方形容器，包含外框、内部图形及上方和右侧的 a、b 标签，不含左侧参考三角形和下方等式。首个合格帧为 0.00 秒，方框和标签已完整建立；最后合格帧为 29.75 秒，容器仍完整可见。内部三角形、矩形及白色方块的变化不影响容器连续性。区间覆盖视频首尾，两端均无外侧采样帧。选择 8.00 秒作为关键帧，外框及标签清晰，四角三角形排列完整，便于标注整体范围。","start_frame":0,"end_frame":720,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[334.4,144.4,696,794.4],"positive_points":[[405,169],[685,335],[640,718],[392,721],[367,310],[503,494]],"negative_points":[[184,263],[724,482],[507,839],[480,125]],"evidence":"目标为画面中右侧的大正方形重排图，四个彩色三角形围绕中央倾斜方形。框覆盖外边界、全部内部区域及上方和右侧的 a、b 标签。正点分布于标签、彩色三角形及属于容器的中央黑色区域；负点位于左侧参考三角形和图外背景。"}},{"name":"Lower-right pink triangle","description":"The pink right triangle initially occupying the large square’s lower-right corner. Later it slides left along the bottom edge to join the other pink triangle in the lower-left rectangle.","membership":"Includes this triangle’s filled surface and three boundary edges throughout its movement. Excludes the other pink triangle, surrounding empty areas, and side-length annotations.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":6.5,"evidence":"目标是大正方形右下角的粉色直角三角形，随后于22秒左右沿底边左移，并与另一粉色三角形组成左下矩形；其填充面和对角边界持续可见。首个合格帧为0秒，最后为29.75秒，全程未见淡出或移出画面。区间覆盖视频首尾，两端均无区间外采样帧。选择6.5秒作为关键帧，此时目标完整、无遮挡，且与左上角另一粉色三角形明确分离。","start_frame":0,"end_frame":720,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[523.4,458.3,665.6,794.4],"positive_points":[[650.5,514.8],[635.4,600.9],[651.0,730.6],[588.5,708.3],[548.4,775.9],[609.4,775.9]],"negative_points":[[375.0,305.6],[619.8,277.8],[520.8,509.3],[703.1,759.3]],"evidence":"目标是大正方形右下角的粉色直角三角形，包围框紧贴其填充面及三条边。六个正点分布于三角形上部、中部和底部；负点位于另一粉色三角形、右上绿色三角形、中央黑色区域及正方形右侧外部背景。"}},{"name":"Upper-right green triangle","description":"The green copy initially superimposed on the reference triangle. It rotates and travels into the large square’s upper-right corner, where it remains as one half of the eventual green rectangle.","membership":"Includes this moving triangle’s green surface and three edges, following its actual outline through rotation and translation. Excludes the reference triangle beneath it, the other green triangle, and nearby labels.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":6,"evidence":"目标是起初覆盖左侧参考三角形的绿色副本，随后旋转、平移，并于2.00秒到达大正方形右上角；之后一直保留，成为绿色矩形的上半个三角形。首个合格帧为0.00秒，最后为29.75秒，视频两端均无更外侧采样帧。选择6.00秒作为关键帧，此时目标三条边清楚、无遮挡，且容易与左下角的另一绿色三角形区分。","start_frame":0,"end_frame":720,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[476.6,205.6,665.6,460.2],"positive_points":[[498,222],[560,226],[650,226],[651,324],[650,414],[580,300]],"negative_points":[[394,696],[385,298],[181,278],[687,331]],"evidence":"目标是大正方形右上角的绿色三角形，边界框紧贴其顶部水平边、右侧竖边及斜边的可见范围。六个正点分布于该三角形绿色表面；四个负点分别位于左下绿色三角形、左上紫色三角形、左侧蓝色参考三角形及右侧字母标签上。"}},{"name":"Upper-left pink triangle","description":"The pink copy that appears over the reference triangle, rotates, and moves to the large square’s upper-left corner. It subsequently slides down the left edge to form half of the lower-left pink rectangle.","membership":"Includes this triangle’s pink surface and three boundary edges throughout its movement. Excludes the reference triangle, the independently moving lower-right pink triangle, and surrounding labels.","id":"obj_005","temporal":{"status":"found","start_s":2.0,"end_s":30.0,"reference_s":6.0,"evidence":"目标是2.00秒出现在左侧参考三角形上的粉色副本，随后旋转并移到大正方形左上角，之后沿左边下滑，成为左下粉色矩形的一半；与右下方另一粉色三角形可连续区分。首个合格帧为2.00秒，前一帧1.75秒该粉色副本尚未出现。最后合格帧为29.75秒，目标仍在左下矩形内，视频结束后无采样帧。选择6.00秒作为关键帧，此时目标在左上角完整清晰，三条边可辨且无遮挡。","start_frame":48,"end_frame":720,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[334.4,205.6,478.1,542.6],"positive_points":[[345.3,226.9],[454.2,222.2],[343.8,486.1],[379.7,357.4],[416.1,270.4],[346.4,353.7]],"negative_points":[[613.5,283.3],[633.9,718.5],[187.5,296.3],[301.0,379.6]],"evidence":"目标是大正方形左上角的粉色直角三角形，依据其位置及与其他三角形的关系识别。边界框紧贴粉色表面及三条边；六个正点分布在其上部、中部和左下部。负点位于右上绿色三角形、右下独立粉色三角形、左侧蓝色参考三角形及外部黑色背景。"}},{"name":"Lower-left green triangle","description":"The second green copy introduced over the reference triangle after the upper-left pink triangle is placed. It rotates into the large square’s lower-left corner, then moves diagonally upward to join the first green triangle in the upper-right rectangle.","membership":"Includes this triangle’s green surface and three boundary edges through all rotations and translations. Excludes the first green triangle, the reference triangle, and adjacent annotations.","id":"obj_006","temporal":{"status":"found","start_s":4.0,"end_s":30.0,"reference_s":6.5,"evidence":"目标是上左粉色三角形就位后，于4.00秒完整出现在左侧参考三角形上的第二个绿色副本；随后旋转移至大正方形左下角，并在20秒后斜向上移，与第一个绿色三角形拼成右上矩形，仍可由对角边界辨认。前一帧3.75秒尚未出现该绿色副本。最后合格帧为29.75秒，目标仍在右上矩形内；视频至30.00秒结束，无后一帧。选择6.50秒作为关键帧，此时目标完整位于左下角，无遮挡，且易与右上绿色三角形区分。","start_frame":96,"end_frame":720,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[334.4,539.8,525,794.4],"positive_points":[[343.2,578.7],[349,756.5],[483.9,775],[408.3,693.5],[366.7,643.5],[429.2,763.9]],"negative_points":[[599,277.8],[364.6,277.8],[182.3,277.8],[296.9,722.2]],"evidence":"目标是大正方形左下角的绿色直角三角形，框紧贴其绿色表面及三条边。六个正点分散在该三角形内部；负点分别位于右上绿色三角形、左上粉色三角形、左侧蓝色参考三角形及目标左侧外部黑色背景。"}},{"name":"White hypotenuse-area square","description":"The tilted white square that appears in the middle of the four corner triangles, expands to fill the central opening, and receives the black label “c²”. It later fades away before the triangles are rearranged.","membership":"Includes the square’s filled interior, four edges, and internal “c²” label while presented. Follows the square’s actual rotated outline rather than its enclosing rectangle. Excludes the surrounding colored triangles.","id":"obj_007","temporal":{"status":"found","start_s":11.25,"end_s":19.25,"reference_s":13.0,"evidence":"目标是四个彩色角三角形之间的倾斜白色实心正方形，随后放大并在内部出现黑色“c²”。11.25秒首次出现完整的四边及填充，虽仍在缩放也符合条件；前一帧11.00秒中央仍为空黑区域。最后合格帧为19.00秒，19.25秒白色填充开始变灰淡出，因此止于19.25秒。选择13.00秒作为关键帧，此时正方形已填满中央开口，轮廓清晰、标签完整且无遮挡。","start_frame":270,"end_frame":462,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[334.9,206.5,665.1,794.4],"positive_points":[[478.6,259.3],[612,461.1],[520.8,734.3],[372.9,535.2],[496,511.1],[540.6,370.4]],"negative_points":[[372.4,268.5],[610.9,265.7],[617.2,701.9],[375,725]],"evidence":"目标是四个彩色角三角形之间、内部标有黑色“c²”的倾斜白色正方形。边界框紧贴其四个顶点的横纵极值；六个正点分布在白色内部及标签上，四个负点分别位于周围被排除的彩色三角形内部。"}},{"name":"Unshaded-area equation","description":"The independent text beneath the large diagram, progressively revealed as “c² = Unshaded area = a² + b²”.","membership":"Includes all visible characters of this continuously developing equation as one text block. Excludes the diagram above, its internal labels, and the uploader credit.","id":"obj_008","temporal":{"status":"found","start_s":29.0,"end_s":30.0,"reference_s":29.0,"evidence":"目标是大图下方独立的“c² = Unshaded area = a² + b²”整段文字，不包含图内标签或右下角署名。29.0秒首次完整结束文字描画，28.75秒末尾公式仍呈描画中的轮廓笔画；最后合格帧为29.75秒。文字持续至视频结束，边界之后没有采样帧。选择29.0秒作为关键帧，因整段公式完整清晰且无遮挡。","start_frame":696,"end_frame":720,"reference_frame":696},"grounding":{"status":"found","bbox_xyxy":[353.1,907.4,731.3,966.7],"positive_points":[[356.8,951.9],[420.8,931.5],[548.4,940.7],[633.9,951.9],[683.9,946.3],[726.6,917.6]],"negative_points":[[520.8,861.1],[312.5,935.2],[570.3,629.6],[937.5,969.4]],"evidence":"目标是大图下方独立的“c² = Unshaded area = a² + b²”整行公式，边界框覆盖全部可见字符。六个正点分布在公式左右两端及中间文字、运算符的笔画上；负点位于公式外黑色背景、上方图内标签及右下角上传者署名处。"}},{"name":"White a-squared area","description":"The white square that appears in the upper-left opening after the triangles form two rectangles. It expands to fill that opening and is labeled “a²”.","membership":"Includes this square’s white surface, boundary, and internal “a²” label. Excludes the adjacent green and pink rectangles and the external side-length labels.","id":"obj_009","temporal":{"status":"found","start_s":25.25,"end_s":30.0,"reference_s":27.0,"evidence":"目标是两组彩色三角形组成矩形后，左上空隙内出现并放大、随后标注“a²”的白色正方形。25.25秒首次出现完整的小白方块，后续放大及内部标签的出现不改变其身份；前一帧25.00秒该空隙仍为黑色。最后合格帧为29.75秒，目标仍完整可见，视频于30.00秒结束，无后续帧。选择27.00秒作为关键帧，此时白色区域及“a²”标签清晰完整，与相邻彩色矩形容易区分。","start_frame":606,"end_frame":720,"reference_frame":648},"grounding":{"status":"found","bbox_xyxy":[334.4,205.6,477.6,461.1],"positive_points":[[349,232],[459,249],[361,400],[444,435],[414,319],[399,349]],"negative_points":[[558,329],[401,609],[575,634],[405,168]],"evidence":"目标是大正方形左上方标有“a²”的白色方块，边界框紧贴其白色表面边缘并包含内部标签。正点分布在白色表面及标签上；负点位于相邻绿色、粉色矩形、右下方“b²”区域和上方外部边长标签处。"}},{"name":"White b-squared area","description":"The larger white square that appears in the lower-right opening after rearrangement, expands to fill it, and is labeled “b²”.","membership":"Includes this square’s white surface, boundary, and internal “b²” label. Excludes the adjacent colored rectangles and the external side-length labels.","id":"obj_010","temporal":{"status":"found","start_s":25.25,"end_s":30.0,"reference_s":27.0,"evidence":"目标是重排后右下方空隙中的较大白色正方形，随后放大填满空隙并标注“b²”。25.00秒该处仍为黑色，25.25秒已出现边界完整的小白色正方形，后续缩放及内部标签变化不影响其连续存在。最后 qualifying 帧为29.75秒，目标仍完整可见；区间延伸至视频末尾30.00秒，无后续帧。选择27.00秒作为关键帧，此时白色表面、边界和“b²”标签清晰，与相邻彩色矩形易于区分。","start_frame":606,"end_frame":720,"reference_frame":648},"grounding":{"status":"found","bbox_xyxy":[475,456.5,665.6,794.4],"positive_points":[[501,485],[646,492],[503,758],[641,765],[574,545],[565,627]],"negative_points":[[565,337],[406,633],[405,325],[687,631]],"evidence":"目标是大图右下方标有“b²”的白色正方形。边界框紧贴其白色表面及边界，包含内部标签。六个正点分布在白色区域及标签附近；负点分别位于上方绿色矩形、左侧紫色矩形、左上方a²区域和右侧外部边长标签处。"}}]}
+{"video_id":238,"video_type":"data and scientific visualization","targets":[{"name":"Trapezoid-to-triangle dissection diagram","description":"The large blue, white-outlined geometry diagram in the upper center. Initially a trapezoid labeled with bases b₁ and b₂ and height h, it is cut and rearranged into a triangle whose base is labeled b₁ + b₂.","membership":"Includes the blue shape interiors, white boundaries, internal construction lines, height annotation, and associated base braces and labels. Follow the actual outlines of the pieces, including their separation during rotation; exclude black gaps between them. The separately listed rotating triangular piece remains part of this diagram. Excludes the lower area equation, its illustrative shapes, and the temporary red emphasis dot.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标是上方蓝色填充、白色轮廓的几何图及其高 h、底边括号和标签；梯形分割后，三角形小块旋转并重组为底边标注 b₁+b₂ 的三角形，属于同一图示的连续变形。首个合格帧为 0.00 秒，图形及标注已完整；末个合格帧为 24.75 秒，图示仍完整可见，因此区间为 [0,25)。区间两端均到达视频边界，没有外侧采样帧。选择 0.00 秒作为关键帧，原始梯形及标注清晰，易与下方面积公式中的小图形区分；不包含红点及下方公式。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[340.3,79,660.2,734.4],"positive_points":[[438,390],[595,485],[435,177],[582,635],[481,106],[507,725]],"negative_points":[[368.2,406.3],[268,903],[300,420],[690,450]],"evidence":"目标是上方中央的蓝色梯形及其白色轮廓、内部高度线和 h 标注，以及上下底边的括弧与 b₁、b₂ 标签。边界框覆盖这些完整元素。正点分布在左右蓝色区域、上下括弧和底边标签上；负点位于排除的红色强调点、下方公式中的小梯形及两侧外部黑色背景。"}},{"name":"Left area-expression text","description":"The white text “Area(” at the lower left, immediately before the small trapezoid illustration.","membership":"Includes only the text glyphs and opening parenthesis. Excludes the adjacent blue trapezoid and all subsequent equation elements.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标是画面左下方、小蓝色梯形之前的白色“Area(”文字，仅包含字母与左括号。首帧0.00秒已完整显示，至最后采样帧24.75秒持续完整可见，后续等式动画不影响该文字。区间到达视频起点和终点，两端均无额外相邻帧。选择0.00秒为关键帧，文字清晰、无遮挡，且容易与旁边梯形及其他等式元素区分。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[140.1,869.8,221.7,930.6],"positive_points":[[151.4,877.6],[143.1,913.2],[169.0,902.8],[183.1,902.8],[205.6,907.1],[213.4,898.4]],"negative_points":[[268.6,902.8],[323.7,900.2],[356.0,894.1],[122.1,898.4]],"evidence":"目标是图像左下方、小蓝色梯形之前的白色“Area(”。边界框仅覆盖这段文字及左括号；六个正点分布在字母和括号笔画上，负点位于相邻蓝色梯形、右括号、等号及左侧外部黑色背景。"}},{"name":"Trapezoid illustration in the equation","description":"The small blue trapezoid with a white outline inside the first area expression at the bottom. It retains its trapezoid shape while the large diagram is rearranged.","membership":"Includes the complete white boundary and enclosed blue interior. Excludes the surrounding text and parentheses.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":9,"evidence":"目标是底部第一个 Area 表达式括号内的小蓝色梯形，包含完整白色轮廓和蓝色内部，不含文字及括号。它从首个采样帧 0.00 秒到最后采样帧 24.75 秒始终完整可见，且在大图重排时保持梯形形状。区间覆盖视频全长，起点之前及终点之后均无采样帧。选择 9.00 秒作为关键帧，目标轮廓清楚、无遮挡，且易于与上方的大三角形区分。","start_frame":0,"end_frame":600,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[236.8,859.4,303.8,940.1],"positive_points":[[253.9,875],[275.9,875],[247.1,922.7],[290.5,924.5],[269,902.8],[269.5,936.6]],"negative_points":[[216.3,898.4],[322.8,898.4],[180.2,899.3],[266.6,835.9]],"evidence":"目标是图像底部 Area 表达式括号内的小蓝色梯形。边界框紧贴其完整白色轮廓及蓝色内部，不包含文字和括号。六个正点分布在梯形内部及底边，四个负点位于两侧括号、左侧文字和上方外部黑色背景。"}},{"name":"Middle area-equation text","description":"The white text immediately after the small trapezoid, initially “) =” and later extended to “) = Area(” as the triangle-area expression is introduced.","membership":"Includes the closing parenthesis, equals sign, and progressively revealed “Area(” text in this section. Excludes both neighboring blue shape illustrations.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":17,"evidence":"目标是底部小蓝色梯形右侧的白色文字，不含两侧蓝色图形。0.00秒时“）=”已完整显示，随后同一文字段扩展为“）= Area(”，持续至最后采样帧24.75秒。区间覆盖视频首尾，边界外没有采样帧。选择17.00秒作为关键帧，此时该文字段完整清晰，与相邻图形容易区分。","start_frame":0,"end_frame":600,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[318.8,869.8,456.6,930.6],"positive_points":[[325.7,900.2],[354.0,894.1],[389.6,888.9],[403.8,901.0],[440.4,908.9],[449.2,900.2]],"negative_points":[[269.0,902.8],[537.1,910.6],[390.6,833.3],[395.5,954.9]],"evidence":"目标是底部小梯形之后、小三角形之前的白色文字“) = Area(”。边界框紧贴整段文字，包含两端括号而排除蓝色图形。六个正点分布于括号、等号及字母笔画上；负点位于左右蓝色图形内部和文字上下的外部黑色背景。"}},{"name":"Rotating triangular cutout","description":"The upper-left triangular portion of the large trapezoid, delineated by the diagonal from the left-side midpoint to the upper-right corner. It swings counterclockwise around its left-side attachment and settles against the lower-left side to complete the larger triangle.","membership":"Includes this triangular piece’s blue interior and white perimeter, following its rotation and placement. Excludes the remaining diagram, the surrounding black space, measurement labels, and red emphasis dot. Once its dividing edge fades, its area remains within the assembled diagram.","id":"obj_005","temporal":{"status":"found","start_s":2.75,"end_s":25.0,"reference_s":5.5,"evidence":"目标是由左侧中点至右上角的对角线划出的蓝色三角片，随后绕左侧连接点逆时针旋转并拼至左下方。2.50秒对角线尚未画到角点，2.75秒三角片白色边界首次完整。其分界线淡去后，蓝色区域仍保留在组合图形内，最后合格帧为24.75秒；视频于25.0秒结束，无后续帧。选择5.50秒作为关键帧，此时三角片已转至主体左上方，仅在连接点接触主体，轮廓清晰且易于单独标注。","start_frame":66,"end_frame":600,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[263.2,61.6,369.5,409.7],"positive_points":[[277,145],[274,288],[283,342],[304,285],[324,343],[351,388]],"negative_points":[[435,479],[590,502],[227,281],[367,232]],"evidence":"目标是图中左上方已旋转、以右下顶点连接主体的蓝色三角切片。边界框紧贴其蓝色内部与白色周边；六个正点分布于切片上部、中部和下部，四个负点位于其余蓝色图形及外侧黑色背景，排除主体和周围空间。"}},{"name":"Triangle illustration for the second area expression","description":"A blue, white-outlined copy of the rearranged triangle that appears over the large diagram, moves downward while shrinking, and settles inside the second “Area(” expression.","membership":"Includes the copied triangle’s white outer boundary and blue interior throughout its movement and scaling. Excludes the original large triangle, height line, base annotation, and surrounding equation text.","id":"obj_006","temporal":{"status":"found","start_s":13.5,"end_s":25.0,"reference_s":17.0,"evidence":"目标是蓝色填充、白色外框的三角形副本，随后向下移动并缩小，进入第二个 Area 表达式。13.50 秒首次可见其完整独立外框；前一帧 13.25 秒尚无可区分的副本。最后合格帧为 24.75 秒，目标仍完整保留，区间延至视频结尾 25.00 秒，之后无采样帧。选择 17.00 秒作为关键帧，此时副本已位于第二个 Area 括号内，轮廓清晰且无遮挡，容易与原大三角形区分。","start_frame":324,"end_frame":600,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[470.7,859.4,570.3,940.1],"positive_points":[[495.6,928.8],[517.6,911.5],[539.6,889.8],[550.8,906.3],[559.6,926.2],[529.3,935.8]],"negative_points":[[417,894.1],[269,902.8],[537.1,520.8],[527.3,972.2]],"evidence":"目标是底部等式第二个“Area(”内的蓝色白边小三角形。边界框紧贴其完整外轮廓，包含白色边界和蓝色内部。六个正点分布在小三角形内部及底边附近；负点位于周围公式文字、左侧梯形、上方原始大三角形及下方黑色背景。"}},{"name":"Right area-equation text and result","description":"The white text to the right of the small triangle illustration, progressively forming the closing parenthesis and the result “= ½h(b₁ + b₂)”.","membership":"Includes the closing parenthesis, equals sign, fraction, h, and parenthesized base sum, including the formula glyphs as they move into place. Excludes the adjacent triangle illustration and the original measurement annotations in the large diagram.","id":"obj_007","temporal":{"status":"found","start_s":22.0,"end_s":25.0,"reference_s":23.5,"evidence":"目标是小三角形右��的右括号、等号及 ½h(b₁+b₂)，不包括大图中的原始标注。22.0 秒时各组成字符已完整显现，虽仍在移动，仍计入；此前 21.75 秒的分数及括号尚在淡入。最后合格帧为 24.75 秒，视频于 25.0 秒结束，无后续帧。选择 23.5 秒作为关键帧，此时文字排列完整、清晰且无遮挡。","start_frame":528,"end_frame":600,"reference_frame":564},"grounding":{"status":"found","bbox_xyxy":[585.4,838.5,815.4,961.8],"positive_points":[[591.8,900.2],[622.6,894.1],[659.2,947.9],[679.2,899.3],[754.4,904.5],[812.5,904.5]],"negative_points":[[532.2,911.5],[449.2,709.2],[708.0,807.3],[839.8,902.8]],"evidence":"目标是底部小三角形右侧的白色公式“)=½h(b₁+b₂)”。边界框覆盖右括号、等号、分数及完整结果。六个正点分布在这些公式字形笔画上；负点位于相邻小三角形、大图的底边标注及公式外部黑色背景，排除其他对象。"}}]}
+{"video_id":239,"video_type":"data and scientific visualization","targets":[{"name":"Circumcircle and vertex markers","description":"The thin white circle surrounding the initial geometric construction, with marked vertices labeled A, B, C, and D. It fades away before the colored triangles are rearranged.","membership":"Includes the circular boundary, its enclosed area and contents, the four vertex dots, and their external capital-letter labels. Excludes the black background and temporary magenta arc highlights.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":6.5,"reference_s":1.25,"evidence":"目标是包围彩色几何构造的细白色圆周、四个顶点白点及外侧 A、B、C、D 标签，并包含圆内内容。首个合格帧为 0.00 秒，视频开头之前无采样帧；最后合格帧为 6.25 秒。紧邻的 6.50 秒帧中圆周和顶点标签已开始变暗淡出，6.75 秒更明显。选择 1.25 秒作为关键帧，此时圆及四个标记完整清晰，且无临时品红色弧线高亮。","start_frame":0,"end_frame":156,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[288.1,125.9,711.5,835.1],"positive_points":[[324.7,230.9],[300.8,718.8],[682.6,729.2],[622.6,151.0],[426.0,395.0],[530.0,580.0]],"negative_points":[[250.0,500.0],[750.0,510.0],[500.0,100.0],[510.0,900.0]],"evidence":"目标是包围几何构图的白色外接圆及四个顶点标记。边界框覆盖圆周、圆内全部内容、四个白色顶点和外侧大写字母 A、B、C、D。正点分布在四个字母笔画及圆内彩色区域，负点位于整体目标外侧的黑色背景。"}},{"name":"Yellow triangle ABD","description":"The translucent yellow triangle initially joining the upper-left, lower-left, and upper-right vertices, with sides a, c, and e. It rotates above the other triangles, moves between them, and enlarges into the central inverted triangle.","membership":"Includes the triangle’s filled interior, three boundary edges, and its associated side-length and angle annotations, following their movement and updates. Includes overlapping content within its outline, but excludes portions of the other triangles outside that outline, the circumcircle, vertex-name labels, and temporary highlights.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":13,"evidence":"目标是初始连接 A、B、D 的半透明黄色三角形，包含其三条边及随动的边长、角度标注；随后可连续追踪其旋转至上方、移入两三角形之间并放大。首个合格帧为 0.00 秒，最后为 29.75 秒，期间结构完整，未出现退出或消失。区间覆盖视频首尾，两端均无额外相邻帧。选择 13.00 秒作为关键帧，此时黄色倒三角位于上方，轮廓清晰、遮挡少，相关标注易于辨认。","start_frame":0,"end_frame":720,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[121.5,79,398.5,326.5],"positive_points":[[254,100],[177,172],[337,174],[261,222],[259,306],[193,233]],"negative_points":[[317,495],[635,538],[439,191],[98,347]],"evidence":"目标是左上方倒置的黄色半透明三角形，其边长标注为 a、c、e。边界框覆盖填充区域、三条边及全部关联边长和角度标注，包括上方的 e。正点分布在 e 字形和三角形内部及边缘附近；负点位于下方青色三角形、右侧粉色三角形以及外部黑色背景。"}},{"name":"Teal triangle ABC","description":"The translucent teal triangle initially spanning the upper-left vertex and the two lower vertices, with sides a, b, and d. It becomes the left-hand triangle and is enlarged, with its length labels changing to ca, cb, and cd.","membership":"Includes the filled triangular interior, all three boundary edges, and its associated side-length and angle annotations throughout the rearrangement and scaling. Includes overlapping content within its outline, but excludes portions of other triangles outside it, the circumcircle, vertex-name labels, and temporary highlights.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":13,"evidence":"���标是最初连接A、B、C的半透明青绿色三角形，边长标注为a、b、d；随后持续成为左侧三角形并放大，标注变为ca、cb、cd，身份连续可追踪。首个合格帧为0.00秒，最后为29.75秒，三条边及填充始终完整，未出现退场。区间到达视频首尾，两端均无外侧采样帧。选择13.00秒作为关键帧，此时青绿色三角形与其他三角形基本分离，轮廓、边长和角度标注清楚。","start_frame":0,"end_frame":720,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[215.3,322.9,482.4,701.4],"positive_points":[[275.9,407.1],[268.6,555.6],[422.4,601.6],[219.7,475.7],[356.4,684.9],[368.2,535.6]],"negative_points":[[261.2,204.0],[610.4,556.4],[202.6,583.3],[415.0,707.5]],"evidence":"目标是左下方青绿色三角形，三边标注为 a、b、d。框覆盖其填充、三条边、内部角度标注及外侧的 a、d 标签。正点分布在三角形内部和边长文字笔画上；负点位于上方黄色三角形、右侧粉色三角形及外部黑色背景。"}},{"name":"Pink triangle ACD","description":"The translucent pink triangle initially connecting the upper-left, upper-right, and lower-right vertices, with sides b, c, and f. It rotates to the right of the teal triangle and enlarges, with length labels changing to ab, ac, and af.","membership":"Includes the filled triangular interior, its three boundary edges, and its associated side-length and angle annotations as they move and update. Includes overlapping content within its outline, but excludes portions of other triangles outside it, the circumcircle, vertex-name labels, and temporary highlights.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":27,"evidence":"目标是最初连接左上、右上和右下顶点的半透明粉色三角形，随后旋转至青色三角形右侧并放大，边长标注更新为 ab、ac、af，身份连续一致。首个合格帧为 0.00 秒，末个为 29.75 秒；全过程三角形结构完整，旋转、缩放及标注更新不构成退出。区间覆盖视频首尾，两端均无额外相邻帧。选择 27.00 秒作为关键帧，此时粉色三角形轮廓清晰，更新后的标注稳定，易与青色及黄色三角形区分。","start_frame":0,"end_frame":720,"reference_frame":648},"grounding":{"status":"found","bbox_xyxy":[478.5,252.5,803,726],"positive_points":[[722.7,344.6],[695.8,538.2],[537.1,604.2],[661.6,430.6],[786.1,446.2],[627.9,679.7]],"negative_points":[[297.9,537.3],[484.9,487],[810.5,564.2],[481,398.4]],"evidence":"目标是右侧放大的粉红色三角形，其边长标注已变为 ab、ac、af。框覆盖三角形填充、三条边及对应边长和角度标注。正点分布于粉红内部及三个边长文字笔画；负点位于左侧青色三角形、中央黄色区域、上方 e 标注和右侧外部黑色背景。"}}]}
+{"video_id":240,"video_type":"data and scientific visualization","targets":[{"name":"Multiple item types title","description":"Large centered white text on green reading “...using multiple item types at the same time”.","membership":"Include the complete two-line text block; exclude the green background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是绿色背景中央完整的两行白字“...using multiple item types at the same time”，不包含背景。首个及最后一个合格帧均为0.00秒，文字清晰完整；紧邻的0.25秒帧已开始淡出，背景软件界面透出，0.50秒文字进一步变淡。区间始于视频开头，无更早采样帧。选择0.00秒作关键帧，因为文字完整、无遮挡且边界清楚。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[214.6,415.7,785.4,588.9],"positive_points":[[249,450],[516.7,453.7],[717.2,471.3],[353.6,564.8],[509.4,564.8],[605.2,564.8]],"negative_points":[[170,490],[835,490],[500,360],[500,655]],"evidence":"目标是绿色背景中央的白色两行标题“...using multiple item types at the same time”。边界框紧密覆盖完整文字块，包括省略号和行间空隙；六个正点分布在两行的实际字形笔画上，四个负点位于文字块外围的绿色背景。"}},{"name":"Linked artist and country visualization","description":"The central coordinated visualization links artist categories, a number-one-hits matrix, album and career measurements, and subsequently added country information.","membership":"Include all constituent data blocks, their labels and axes, and the ribbons and lines connecting them. Separately listed child subjects remain included. Exclude the surrounding application canvas, application toolbars, dataset browser, cursor, and temporary selection or drop-target outlines.","id":"obj_002","temporal":{"status":"found","start_s":0.75,"end_s":24.0,"reference_s":10.75,"evidence":"目标是中央由艺人分类、冠军单曲矩阵、专辑及职业生涯坐标与连接带组成的联动图，随后加入国家信息。首个合格帧为0.75秒；���一帧0.50秒仍处于绿色标题叠层淡出过渡。该图随后持续存在，新增数据块、布局移动和高亮未改变其身份，最后合格帧为23.75秒，视频末尾之外无采样帧。选择10.75秒作为关键帧，因为国家标签及主要图块、坐标和连线清晰，临时工具条与高亮遮挡较少。","start_frame":18,"end_frame":576,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[173.4,97.2,951.0,620.4],"positive_points":[[265.6,323.1],[338.5,449.1],[453.1,364.8],[611.1,371.3],[826.0,357.0],[834.4,566.7]],"negative_points":[[356.8,578.7],[121.4,412.0],[52.1,546.3],[337.0,217.6]],"evidence":"依据艺术家分类、国家与冠军次数矩阵、专辑数量坐标轴以及右侧职业生涯图之间的连接识别目标。边界框涵盖全部数据块、标签、坐标轴、连接带和线。正点分布在艺术家色块、连接带、矩阵、专辑轴、散点和职业状态色块上；负点位于外围空白画布、工具栏、数据浏览区及临时红色圆形轮廓上。"}},{"name":"Artists and gender block","description":"At the left of the visualization, an “ARTISTS” list is divided into female, group, and male categories beside red, purple, and blue vertical bands.","membership":"Include the artist names, heading, gender label, category labels, and three colored category bands. Exclude the ribbons extending toward origin and the neighboring origin block.","id":"obj_003","temporal":{"status":"found","start_s":0.75,"end_s":24.0,"reference_s":7.5,"evidence":"目标是可视化左侧的 ARTISTS 姓名列表、gender 标签、female/group/male 分类及红紫蓝三条色带，不含向右延伸的连接带和 origin 块。首个合格帧为 0.75 秒；前一帧 0.50 秒仍处于标题叠加及淡入过渡。此后目标持续完整可见，最后合格帧为 23.75 秒，区间延至视频末尾 24.0 秒，无后续帧。选择 7.50 秒作为关键帧，列表和色带清楚完整，无遮挡，便于区分右侧连接带。","start_frame":18,"end_frame":576,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[172.9,250,282.8,472.2],"positive_points":[[224.5,279.6],[270.8,269.4],[265.6,320.4],[265.6,383.3],[265.6,444.4],[233.3,464.8]],"negative_points":[[317.7,333.3],[393.2,361.1],[161.5,407.4],[242.2,509.3]],"evidence":"目标位于可视化左侧，由 ARTISTS 标题、倾斜的 gender 标签、艺术家姓名、female/group/male 分类及红紫蓝三条色带组成。框覆盖这些内容，不包含右侧连接带和 origin 区块。正点分布在标题、gender、三条色带及底部姓名上；负点位于右侧连接带、origin 区块以及目标左侧和下方背景。"}},{"name":"Origin and number-one-hits matrix","description":"The central grayscale matrix labeled “number one hits” sits beside colored origin groups identified as Barbados, Ireland, Sweden, UK, and US.","membership":"Include the matrix cells, colored origin strip, origin labels, and matrix label. Exclude the connecting ribbons and lines beyond the block, the country labels added above, and the separately added continent and population blocks.","id":"obj_004","temporal":{"status":"found","start_s":0.75,"end_s":12.25,"reference_s":1.5,"evidence":"目标是中央“number one hits”灰度矩阵、左侧彩色 origin 条及 Barbados、Ireland、Sweden、UK、US 标签，不含外部连线和后来添加的独立数据块。0.75 秒首次完整清晰显示，前一帧 0.50 秒仍处于淡入过渡。最后符合条件的是 12.00 秒；12.25 秒画布上移，origin 标题开始被视区顶部裁切。选择 1.50 秒作为关键帧，此时矩阵和标签无遮挡，且尚未添加上方国家标签等相邻块。","start_frame":18,"end_frame":294,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[387,249,536.5,476],"positive_points":[[393.2,299.1],[393.1,418.5],[453.6,365.9],[488,467.6],[447.4,276],[509.3,429]],"negative_points":[[351.6,362],[265.6,324.1],[567.7,361.1],[445.3,508.3]],"evidence":"依据中央“number one hits”标题、灰度矩阵及其左侧彩色origin分组条识别。边界框覆盖矩阵、彩条、origin标题及右侧Barbados、Ireland、Sweden、UK、US标签。正点分布在彩条、矩阵单元和文字上；负点位于左侧连接带、gender色条、右侧外部连线及下方空白，排除这些非目标内容。"}},{"name":"Studio album count axis","description":"A vertical numerical axis labeled “studio albums (count)” stands between the matrix and the career scatterplot.","membership":"Include the axis, ticks, numerical values, plotted marks on the axis, and its heading. Exclude the lines extending to neighboring data blocks.","id":"obj_005","temporal":{"status":"found","start_s":0.75,"end_s":24.0,"reference_s":7.5,"evidence":"目标是矩阵与右侧职业生涯散点图之间、标题为“studio albums (count)”的竖直数值轴，包括刻度、数值及轴上标记，不包括向邻近数据块延伸的连线。0.50秒仍处于开场淡入过渡，0.75秒首次完整清晰呈现；此后持续存在，最后合格帧为23.75秒，因此区间结束于24.0秒。视频末尾没有后续采样帧。选择7.50秒作为关键帧，轴及标题清晰，无工具栏遮挡或选中高亮干扰。","start_frame":18,"end_frame":576,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[574.5,257.4,649.5,484.3],"positive_points":[[579.2,263.9],[637.5,263.9],[611.5,299.1],[616.7,337.0],[611.5,410.2],[611.5,482.4]],"negative_points":[[651.0,310.2],[679.2,415.7],[476.6,412.0],[591.1,358.3]],"evidence":"目标位于矩阵与职业生涯散点图之间，由标题“studio albums (count)”确认。边界框覆盖标题、纵轴、刻度、数值及轴上标记，不包含向相邻数据块延伸的连线。正点分布在标题文字、轴线、数值和轴上标记处；负点位于外部连线区域、左侧矩阵及轴旁背景。"}},{"name":"First album and career-start scatterplot","description":"The upper-right plot compares “first album (year)” with “start of career (year)” using small black points and year axes.","membership":"Include the plot surface, both axes, ticks, year values, points, and axis titles. Exclude external linking lines and the career-status blocks below.","id":"obj_006","temporal":{"status":"found","start_s":0.75,"end_s":24.0,"reference_s":7.5,"evidence":"目标是右上方以黑色散点比较“first album (year)”与“start of career (year)”的图表，包含绘图区、双轴、刻度、年份和轴标题，不含外部连线及下方职业状态块。0.50秒仍处于开场淡入，叠有残留标题；0.75秒图表已完整清晰建立，之后持续可见，最后合格帧为23.75秒。区间延伸至视频结束24.00秒，无后续采样帧。选择7.50秒为关键帧，此时图表完整、无遮挡且散点和双轴清楚。","start_frame":18,"end_frame":576,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[726.6,258.3,951,504.6],"positive_points":[[745.8,265.7],[781.3,305.6],[859,302.8],[825,357.4],[757,444.4],[914.6,493.5]],"negative_points":[[711.5,374.1],[789.1,565.7],[838.5,525.9],[893.2,376.9]],"evidence":"目标是右上方以 first album (year) 和 start of career (year) 为轴标题的黑点散点图。框覆盖绘图区、两轴、刻度年份及完整轴标题；正点分布在标题、轴线、散点和绘图表面。负点位于左侧外部连线、下方连线及职业状态色块，以及右侧外部背景，均不属于目标。"}},{"name":"Career status and years in business block","description":"Below the scatterplot, red inactive and green active groups sit above grayscale cells showing “in business (years)”.","membership":"Include both colored status bands, grayscale measurement cells, category labels, and the two measurement labels. Exclude the linking lines leading upward to the scatterplot.","id":"obj_007","temporal":{"status":"found","start_s":0.75,"end_s":24.0,"reference_s":7.5,"evidence":"目标位于散点图下方，由红色 inactive、绿色 active 状态带、下方灰阶数值格、类别标签及 career status 和 in business (years) 两个测量标签组成，不包括向上的连接线。0.75 秒首次完整清晰呈现；前一帧 0.50 秒仍处于开场淡入，带有绿色蒙层和标题残影。目标持续存在至最后采样帧 23.75 秒，因此结束时间为 24.0 秒，视频末尾无后续帧。选择 7.50 秒作为关键帧，此时目标完整、无遮挡且没有选中高亮。","start_frame":18,"end_frame":576,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[767.7,554.6,937.5,622.2],"positive_points":[[787.1,565.7],[837.3,566.7],[853.4,589.0],[786.5,613.9],[894.6,569.4],[909.4,592.6]],"negative_points":[[798.8,523.1],[822.4,363.0],[824.0,650.0],[913.0,492.6]],"evidence":"目标位于散点图下方，由红色 inactive、绿色 active 状态带及其下方灰度单元组成。边界框涵盖两组色带、灰度单元、类别文字和右侧两项测量标签，不包含向上连接散点图的线。正点分布在色带、灰度单元及文字上；负点位于上方连接线、散点、横轴标签和下方外部空白。"}},{"name":"Selection Info panel","description":"The left sidebar panel titled “Selection Info” displays artist or country selection summaries as linked records are highlighted.","membership":"Include the panel boundary, header, surface, and displayed selection tree. Exclude neighboring sidebar panels and the visualization canvas.","id":"obj_008","temporal":{"status":"found","start_s":0.75,"end_s":24.0,"reference_s":11.5,"evidence":"目标是左侧“Selection Info”面板，位于工具栏下方、Dataset Info 面板上方，包含标题、边界、背景及选择树。0.50秒仍处于开场淡入过渡，0.75秒面板已完整清晰呈现；此后持续存在，最后合格帧为23.75秒，内部选择记录变化不影响面板身份。区间到达视频末尾，之后没有采样帧。选择11.50秒作为关键帧，因为面板边界清晰，并显示含 Michael Jackson 的艺术家选择树，便于区分相邻面板。","start_frame":18,"end_frame":576,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[0.5,161.1,110.4,495.4],"positive_points":[[38.5,175],[26.6,219.4],[70.8,237],[55.2,253.7],[32.3,339.8],[83.9,444.4]],"negative_points":[[36.5,124.1],[46.9,537],[121.9,325.9],[181.8,227.8]],"evidence":"根据左侧栏“Selection Info”标题及其下的 artists、Michael Jackson 选择树识别目标。框覆盖整个面板边界、标题栏、选择树、空白表面和底部滚动条。正点分布在标题、树记录及面板表面；负点位于上方工具栏、下方 Dataset Info 面板、右侧工具条和可视化画布。"}},{"name":"Dataset Info panel","description":"The lower-left “Dataset Info” panel initially reports Artists data and later switches to ifpi2010 country data, with record counts and collapsible information sections.","membership":"Include the panel header, boundary, surface, dataset details, and information-section rows. Exclude the Selection Info panel above and the bottom dataset browser.","id":"obj_009","temporal":{"status":"found","start_s":0.75,"end_s":24.0,"reference_s":7.5,"evidence":"目标是左下角带“Dataset Info”标题、数据集名称、记录数及折叠信息行的独立面板，位于 Selection Info 下方，不含底部数据浏览器。0.75秒首次完整清晰呈现；前一帧0.50秒仍处于绿色标题画面的淡入过渡。此后面板持续存在，内部由 Artists 切换为 ifpi2010，并一直保留至最后采样帧23.75秒，因此结束时间为24.0秒，视频末尾无后续帧。选择7.50秒作为关键帧，此时面板边界和各信息行清楚且无遮挡。","start_frame":18,"end_frame":576,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[0.5,497.2,110.9,996.3],"positive_points":[[35,511],[30,558],[56,625],[63,714],[29,823],[80,951]],"negative_points":[[49,365],[179,900],[121,577],[242,632]],"evidence":"目标是左下角标题为“Dataset Info”的面板，显示 ifpi2010、Countries: 12 及多个可折叠信息行。边框涵盖标题、数据详情、信息行和下方灰色面板表面。正点分布于这些区域；负点位于上方 Selection Info、底部数据浏览器、右侧工具栏和主画布，均排除在目标外。"}},{"name":"LineUp dataset browser","description":"The wide bottom panel switches between “RnB Numerical/Matrix Blocks - LineUp” and “RnB Partitioned Blocks - LineUp”. It supplies artist and country fields that are dragged into the visualization.","membership":"Include the panel surface and boundary, tabs, item-type selectors, dataset checkboxes, tables, distribution previews, scrollbars, and right-side combiner controls. Include changing table contents within this same panel. Exclude detached drag previews and the visualization above.","id":"obj_010","temporal":{"status":"found","start_s":0.75,"end_s":24.0,"reference_s":1.75,"evidence":"目标是窗口底部带两种“LineUp”标签页的宽数据集浏览面板，包含表格、选择器、滚动条及右侧组合控件；切换内容时面板持续存在。首个合格帧为0.75秒，前一帧0.50秒仍处于绿色标题画面的淡入过渡中。最后合格帧为23.75秒，视频于24.0秒结束，无后续帧。选择1.75秒作为关键帧，此时面板边界、标签页、选择器、数据行和分布预览清晰，无遮挡。","start_frame":18,"end_frame":576,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[112.5,771.3,999,997.2],"positive_points":[[179,786],[245,815],[342,860],[502,879],[822,923],[966,822]],"negative_points":[[580,698],[65,860],[817,419],[122,556]],"evidence":"目标是底部带有两个“LineUp”标签页的宽数据浏览面板。边界框覆盖面板边框与表面、类型选择器、数据集复选框、表格及分布预览和右侧组合控件。六个正点分布在这些区域；负点位于上方可视化、左侧信息栏及竖向工具栏，均不属于目标面板。"}},{"name":"Continent data block","description":"Added above the matrix from the country dataset, this block displays orange, purple, and green continent categories, later grouped and labeled Australia, Europe, and North America. Its presentation briefly changes to a bar chart.","membership":"Include the continent block’s current graphical surface, category marks, labels, and attached contextual controls when displayed. Follow its changing chart extent. Exclude country-name text, the matrix below, external connecting ribbons, and temporary drag or drop previews.","id":"obj_011","temporal":{"status":"found","start_s":4.25,"end_s":12.25,"reference_s":7.5,"evidence":"目标是矩阵上方标注 continent 的橙、紫、绿色分类块，随后显示 Australia、Europe、North America，并短暂切换为柱状图。4.25 秒首次出现完整图形表面；前一帧 4.00 秒仅有拖拽浮框和放置预览。最后完整帧为 12.00 秒，12.25 秒视图上移使其顶部分类标签开始被画布边缘裁切。选择 7.50 秒作为关键帧，此时分类色块和标签清晰，且无菜单遮挡。","start_frame":102,"end_frame":294,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[399.5,188.9,537,290],"positive_points":[[403.6,278.7],[442.2,278.7],[491.1,278.7],[443.2,252.8],[512.5,214.8],[522.4,282.4]],"negative_points":[[395.8,245.4],[521.9,301.9],[445.8,366.7],[361.5,301.9]],"evidence":"目标位于矩阵上方，由橙、紫、绿三个洲类别色块及 Australia、Europe、North America 和 continent 标签组成。边界框覆盖这些色块与标签；正点分布在三色色块和标签笔画上，负点位于旁边的 origin 标签、下方国家名、矩阵及外部连接带，均不属于目标。"}},{"name":"Country-name labels","description":"A “COUNTRIES” heading and vertically oriented country names are added above the continent strip, including Australia, France, Italy, Sweden, Spain, Austria, Germany, Netherlands, Ireland, UK, US, and Canada.","membership":"Include the heading and the complete country-name text group. Exclude the continent graphic, background, contextual buttons, and selection outlines.","id":"obj_012","temporal":{"status":"found","start_s":8.75,"end_s":24.0,"reference_s":10.5,"evidence":"目标为“COUNTRIES”标题及其旁边竖排的完整国家名称组，不含下方洲别色条。8.75秒首次完整显示；前一帧8.50秒仅有拖动中的“COUNTRIES”浮框，国家名称组尚未出现。此后文字组持续存在，最后合格帧为23.75秒，视频于24.0秒结束，无后续帧。选择10.50秒作为关键帧，标题与国家名称清晰完整，无遮挡及上下文按钮干扰。","start_frame":210,"end_frame":576,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[401.6,205.6,550.5,264.8],"positive_points":[[519.8,217.6],[404.2,242.6],[414.1,249.1],[430.2,243.5],[461.5,229.6],[495.3,242.6]],"negative_points":[[446.9,279.6],[447.4,149.1],[522.4,318.5],[572.9,242.6]],"evidence":"通过“COUNTRIES”标题及其左下方竖排的 Australia、France 至 Canada 等国家名识别目标。边界框覆盖标题和完整国家名文字组；正点分布在标题及多处竖排文字笔画上，负点位于下方洲别色条、上方 Europe 标签、右下方 Ireland 标签及右侧空白背景，均不属于目标。"}},{"name":"Population data block","description":"Added beneath the matrix, “population (million)” is previewed with box plots and grayscale cells before becoming a row of downward black bars aligned with countries.","membership":"Include the population block’s current chart surfaces, boundaries where present, measurement marks, label, and attached visualization-choice controls while displayed. Exclude external connecting ribbons, the matrix above, the retail-value block below, and temporary drop-target outlines.","id":"obj_013","temporal":{"status":"found","start_s":15.0,"end_s":24.0,"reference_s":17.0,"evidence":"目标位于矩阵下方，带有“population (million)”标签，先显示箱线图预览及附属可视化选择控件，随后变为灰度单元格和向下的黑色条形。首个合格帧为15.00秒；紧邻的14.75秒仅有拖拽预览和临时放置轮廓，尚未形成实际数据块。最后合格帧为23.75秒，目标仍完整可见；区间延伸至视频结束24.00秒，无后续帧。选择17.00秒作为关键帧，此时条形及标签清晰，控件已隐藏，且尚无下方零售价值块干扰。","start_frame":360,"end_frame":576,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[384.4,427.8,555.7,481.5],"positive_points":[[398.9,434.7],[437.5,437],[461.5,435.6],[471.6,459.3],[498.1,458.3],[539.6,458.3]],"negative_points":[[433.9,389.8],[338.5,410.2],[442.7,508.3],[508.9,380.6]],"evidence":"目标是国家矩阵正下方按国家排列的向下黑色人口条形图，右侧标有“population (million)”。边界框覆盖该图的单元表面、边界、黑条及完整标签。正点分布在不同国家的黑条和标签文字上；负点位于上方矩阵、左侧连接带、下方空白及外部国家标签处。"}},{"name":"Retail-value data block","description":"Added below population, “retailvalue ($)” appears as three continent-grouped charts. The demonstration switches between bars and box plots, resizes the block, and changes its incoming links.","membership":"Include the three chart surfaces and boundaries, their marks and baselines, the retail-value label, and attached contextual controls while displayed. Follow the block through resizing and presentation changes. Exclude incoming connecting lines or ribbons, the population block, cursor effects, and selection outlines.","id":"obj_014","temporal":{"status":"found","start_s":19.0,"end_s":24.0,"reference_s":19.75,"evidence":"目标是 population 下方带“retailvalue ($)”标签的三个洲分组图表，随后在柱图与箱线图间切换，并改变尺寸及连接方式。19.0秒首次完整显示三个图表表面、边界和标记；前一帧18.75秒仍是拖动占位框，尚未形成图表。最后合格帧为23.75秒，目标仍完整存在，区间延续至视频结尾24.0秒，无后续帧。选择19.75秒作为关键帧，三个柱图、标签及附属控��清晰，便于排除上方人口块和输入连接带。","start_frame":456,"end_frame":576,"reference_frame":474},"grounding":{"status":"found","bbox_xyxy":[344.8,480.6,577.6,688.0],"positive_points":[[367.5,625.8],[416.7,644.3],[511.0,675.5],[552.1,638.4],[397.6,504.5],[470.8,507.4]],"negative_points":[[356.0,561.1],[552.0,457.2],[442.0,375.0],[812.0,518.0]],"evidence":"目标是下方标有“retailvalue ($)”的三个并列图表。框覆盖三幅图表的表面、边界、柱形与基线、右侧标签及上方附属上下文控件；不将连接带、光标或选择轮廓作为目标内容。正点分布在三个图表、标签和控件上，负点位于上方连接带、population 标签、国家矩阵及右侧职业状态图。"}}]}
+{"video_id":241,"video_type":"data and scientific visualization","targets":[{"name":"Editable university ranking table","description":"The left-hand ranking visualization lists university names and countries beside multicolored stacked score bars. Metric histograms and a SUM summary sit above it. Its rows animate and reorder as Arts & Humanities is added and its mapping is changed.","membership":"Includes the table boundary, rank, School Name and Country columns, metric headers, histograms, weights, aggregate summary, row backgrounds, score bars and in-row values. Follows the table as its width and contents change. Excludes the central comparison connector panel, bottom attribute tiles, floating menus and mapping editor.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":25,"evidence":"目标是左侧含排名、School Name、Country、多色堆叠评分条及顶部指标直方图、权重和SUM汇总的大学排名表；不包括中央连接线面板、底部属性块及浮动菜单和映射编辑器。首个合格帧为0秒，末个为29.75秒，期间表格持续存在，宽度变化和行重排不改变其身份。区间已覆盖视频首尾，两端均无额外相邻帧。选择25秒作为关键帧，因为浮动编辑器已关闭，表格结构完整清晰、遮挡较少。","start_frame":0,"end_frame":720,"reference_frame":600},"grounding":{"status":"found","bbox_xyxy":[1.04,57.41,596.88,937.04],"positive_points":[[379.17,101.85],[509.38,168.52],[89.06,251.85],[178.13,550],[410.42,437.04],[291.67,899.07]],"negative_points":[[620.31,573.15],[752.6,364.8],[84.38,970.37],[71.88,29.63]],"evidence":"目标是左侧包含大学名称、国家和多色堆叠得分条的排名表。边框覆盖顶部SUM汇总、指标直方图及权重、列标题和全部可见排名行，不包含中央连线比较区及底部属性块。正点分布在汇总图、指标区、校名、国家和上下部得分条；负点位于中央比较区、右侧排名表、底部属性块及顶部标签栏。"}},{"name":"Reference university ranking chart","description":"The right-hand comparison ranking has its own SUM summary, metric histograms, rank-change labels and stacked bars. Its visible metrics include Academic reputation, Employer, Faculty/student ratio and Citations per faculty.","membership":"Includes the visible right ranking panel, its summary and metric headers, rank column, row backgrounds, stacked bars and values. Excludes the connector panel to its left and floating overlays.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":0,"evidence":"目标是连接线面板右侧的参考大学排名图，包含独立SUM汇总、Academic reputation、Employer、Faculty/student ratio和Citations per faculty等指标头、排名变化列及堆叠条形。首个合格帧为0.00秒，最后为29.75秒；期间面板持续存在，布局和数据变化不改变其身份。区间覆盖视频首尾，两端均无额外相邻帧。选择0.00秒作为关键帧，因为右侧图表结构清晰完整，且无浮动窗口遮挡。","start_frame":0,"end_frame":720,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[595.3,57.4,994.8,940.7],"positive_points":[[773.4,96.3],[906.3,158.3],[606.8,347.2],[677.1,420.4],[807.3,666.7],[942.7,910.2]],"negative_points":[[567.7,555.6],[447.9,416.7],[140.6,967.6],[791.7,37.0]],"evidence":"根据右侧独立的 SUM 汇总、指标直方图、排名变化列及彩色堆叠条识别目标。边界框覆盖右侧排名面板的汇总、表头和全部可见行，排除左侧连线面板。正点分布于汇总、指标表头、排名列、堆叠条和行背景；负点位于连线区、左侧排名图、底部指标卡及顶部外部背景。"}},{"name":"Ranking comparison connector panel","description":"The narrow panel labeled \"Separator\" between the rankings contains crossing lines linking corresponding university rows and a thicker band for the selected university.","membership":"Includes the panel surface, header, side boundaries and all connecting lines and selected-row bands within it. Excludes the adjoining ranking rows and their rank labels.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":1,"evidence":"目标是两组排名之间标题为“Separator”的狭长连接面板，具有左右边界、交叉连线及选中大学对应的粗带。首个合格帧为0.00秒，末个为29.75秒；期间面板持续存在，位置与连线随排名调整而变化不改变其身份。区间覆盖视频首尾，两端均无区间外采样帧。选择1.00秒作为关键帧，面板完整清晰，没有弹窗遮挡，标题、边界与连接带易于区分。","start_frame":0,"end_frame":720,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[594.8,149.1,648.4,935.2],"positive_points":[[620.3,162.0],[596.4,335.2],[621.9,464.8],[626.0,637.0],[612.0,784.3],[640.6,901.9]],"negative_points":[[572.9,419.4],[660.4,511.1],[621.4,101.9],[685.9,758.3]],"evidence":"目标是两组排名之间标有“Separator”的狭窄连接面板。框覆盖标题、面板表面、两侧边界、交叉连接线和选中大学的粗连接带，不含旁边的排名行及名次标签。正点分布在标题、边界、粗带及面板中下部；负点位于上方外部空白和左右相邻排名区域。"}},{"name":"Arts & Humanities attribute tile","description":"The yellow histogram tile initially appears in the bottom attribute shelf and as a dragged tile near the left ranking headers. It becomes the \"Arts & Humaniti\" header between the MAX and Employer metrics and is the attribute whose mapping is edited.","membership":"Includes the complete yellow tile or inserted header, its boundary, label and histogram, following its movement into the ranking. Excludes the associated score segments in university rows, the weight above the header, cursor, hover outline and floating editor.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":26,"evidence":"目标是带标签和直方图的黄色 Arts & Humanities 属性块：0.00 秒已完整显示于底部属性架及拖拽预览中，0.50 秒插入左侧排名的 MAX 与 Employer 表头之间，随后持续存在至最后采样帧 29.75 秒。映射编辑和直方图变化未改变该表头的身份。区间覆盖视频首尾，两侧均无额外采样帧。选择 26.00 秒作为关键帧，此时浮动编辑器已关闭，黄色表头边界、标签及直方图清晰且无遮挡。","start_frame":0,"end_frame":720,"reference_frame":624},"grounding":{"status":"found","bbox_xyxy":[385.4,131.5,438,187],"positive_points":[[391,142],[424,142],[424,166],[408,184],[393,167],[433,172]],"negative_points":[[419,100],[357,162],[454,164],[398,196]],"evidence":"目标是左侧排名表头中位于 MAX 与 Employer 之间、标有“Arts & Humaniti”的黄色属性块。边界框覆盖完整表头、标签及直方图，不含上方权重和下方得分条。六个正点分布于标签、直方图及黄色表面；负点位于上方汇总图、相邻属性表头和下方大学得分条。"}},{"name":"Life Sciences attribute tile","description":"The pink \"Life Sciences &\" histogram tile remains on the bottom shelf, moving left after Arts & Humanities is inserted into the ranking.","membership":"Includes the tile surface, boundary, label and pink histogram. Excludes neighboring attribute tiles and the surrounding shelf.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":1,"evidence":"目标是底部搁板上标有“Life Sciences &”的粉色直方图属性 tile，包含其表面、边界和标签。它在首帧 0.00 秒已完整显示，Arts & Humanities 插入排名后移至搁板最左侧，并持续可见至末帧 29.75 秒。区间覆盖整个视频，起点之前和终点之后均无采样帧。选择 1.00 秒作为关键帧，因为此时目标位于左下角，完整清晰且无遮挡，易与右邻属性 tile 区分。","start_frame":0,"end_frame":720,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[3.65,944.44,56.77,991.67],"positive_points":[[8.85,955.56],[43.75,955.56],[12.5,975],[21.35,987.04],[43.23,976.85],[5.73,985.19]],"negative_points":[[78.13,968.52],[130.21,968.52],[36.46,918.52],[598.96,967.59]],"evidence":"目标位于图像左下角底部搁架，是标有“Life Sciences &”的粉色直方图属性块。边界框紧贴该块的表面及边界，包含标签和粉色直方图。正点分布在标签、柱形和块内表面；负点位于右侧相邻属性块、外围搁架及上方排名区域。"}},{"name":"Citations per faculty attribute tile","description":"The purple \"Citations per fac\" histogram tile sits on the bottom shelf beside the Life Sciences tile, separate from the citation metric already displayed in the right ranking.","membership":"Includes the complete bottom tile with its surface, boundary, label and purple histogram. Excludes the neighboring tile, shelf and right-hand ranking metric.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":2,"evidence":"目标是底部搁架上紧邻 Life Sciences 的紫色“Citations per fac”直方图卡片，不是右侧排名中的引用指标。首帧0.00秒已完整显示，随后随相邻卡片移除而左移，但自身持续存在；末帧29.75秒仍完整可见。区间到达视频首尾，���有更早或更晚的采样帧。选择2.00秒作为关键帧，卡片表面、边界、标签和紫色直方图清晰且无遮挡。","start_frame":0,"end_frame":720,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[58.33,944.44,111.46,992.59],"positive_points":[[63.54,955.56],[97.92,955.56],[65.63,972.22],[78.65,986.11],[95.83,981.48],[106.25,971.3]],"negative_points":[[31.25,969.44],[130.21,969.44],[947.92,143.52],[84.9,916.67]],"evidence":"目标是底部托盘中紧邻 Life Sciences 的紫色“Citations per fac”属性块。边界框覆盖完整块面、边界、标签和直方图；正点分布于标签、表面及紫色柱形，负点位于左邻属性块、外部托盘、上方排名表和右侧排名中的引用指标。"}},{"name":"Arts & Humanities context menu","description":"A floating menu opens beneath the yellow attribute header. Its commands include \"Align by this attribute\", \"Order by this attribute\" and \"Edit the mapping of this column\", which is selected.","membership":"Includes the menu surface, border, command text, icons, separators and selected-item background. Excludes the underlying header and ranking chart.","id":"obj_007","temporal":{"status":"found","start_s":5.0,"end_s":6.5,"reference_s":6.0,"evidence":"黄色 Arts & Humanities 属性标题下方出现浮动菜单，包含“Align by this attribute”“Order by this attribute”和“Edit the mapping of this column”等命令。首个完整帧为5.00秒，最后完整帧为6.25秒；此前4.75秒尚无菜单，此后6.50秒菜单已被映射编辑弹窗替代。选择6.00秒作为关键帧，因为菜单边框、文字和图标清晰，且“Edit the mapping of this column”项已高亮。","start_frame":120,"end_frame":156,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[406.25,172.22,543.75,287.04],"positive_points":[[442.71,184.26],[496.35,204.63],[414.06,226.85],[479.17,225.93],[486.46,247.22],[441.67,273.15]],"negative_points":[[401.04,141.67],[557.81,239.81],[391.67,252.78],[474.48,310.19]],"evidence":"目标是黄色“Arts & Humanities”属性标题下方的浮动菜单，可见对齐、排序及选中的“Edit the mapping of this column”等命令。边界框紧贴完整菜单表面和外框；正点分布在各命令行、图标及选中项背景上，负点位于菜单外的属性标题和排名图表区域。"}},{"name":"Arts & Humanities mapping editor","description":"A floating editor opens over the left ranking and is moved toward the comparison divider. It contains yellow Score and Raw histograms, a line-based mapping display with draggable endpoints, a formula area and a \"Standard Mappings\" control. The upper bound is reduced, then the mapping is inverted.","membership":"Includes the complete editor surface and boundary, top controls, labels, histograms, mapping lines and handles, shaded excluded ranges, formula field and resize corner. Follows its relocation and mapping updates. Excludes the underlying rankings and external tooltip boxes; the separately listed open preset menu belongs to this editor while displayed.","id":"obj_008","temporal":{"status":"found","start_s":6.5,"end_s":24.5,"reference_s":16.5,"evidence":"目标是含黄色 Score、Raw 直方图、映射线与拖动端点、公式区及 Standard Mappings 控件的浮动编辑器。6.5 秒首次完整出现，随后移向比较分隔区，并经历上限缩减和映射反转；24.25 秒为最后完整可见帧。前一帧 6.25 秒仅显示列的右键菜单，后一帧 24.5 秒编辑器已关闭。选择 16.5 秒作为关键帧，此时面板边界和全部主要控件清晰，无展开菜单或外部提示遮挡。","start_frame":156,"end_frame":588,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[485.4,209.3,625,500],"positive_points":[[556.3,230.6],[527.1,275.9],[537,345.4],[594.8,414.8],[525.5,475.9],[575.5,385.2]],"negative_points":[[460.4,305.6],[669.8,513.9],[568.2,166.7],[541.7,541.7]],"evidence":"目标是位于左侧排名与比较分隔区上方的浮动映射编辑器，可见黄色 Score、Raw 直方图、映射线和端点、公式区及 Standard Mappings 控件。边界框覆盖完整窗口、顶部关闭按钮及右下角缩放角。正点分布于顶部控件、直方图、映射显示、端点、阴影范围和公式区；负点位于窗口外的排名图表及下方背景。"}},{"name":"Standard Mappings preset menu","description":"The editor's \"Standard Mappings\" control opens a compact menu listing \"Linear\", \"Invert\", \"Abs\", \"Z-Score\" and \"Log\". \"Invert\" is chosen.","membership":"Includes the expanded preset menu surface, boundary, option labels and selection background. Excludes the closed control above it and the rest of the editor.","id":"obj_009","temporal":{"status":"found","start_s":18.25,"end_s":20.0,"reference_s":19.25,"evidence":"目标是编辑器中“Standard Mappings”下方展开的紧凑预设菜单，包含 Linear、Invert、Abs、Z-Score 和 Log。首个完整可见帧为18.25秒，最后为19.75秒；相邻的18.00秒仅显示关闭的控件，20.00秒菜单已消失，编辑器显示反转后的映射。选择19.25秒作为关键帧，菜单边界和各选项清晰可见，Invert选项处于高亮状态。","start_frame":438,"end_frame":480,"reference_frame":462},"grounding":{"status":"found","bbox_xyxy":[541.15,235.19,575,310.19],"positive_points":[[551.04,243.52],[544.79,259.26],[547.4,275],[554.69,288.89],[546.35,303.7],[569.27,276.85]],"negative_points":[[556.25,228.7],[595.83,323.15],[525,271.3],[562.5,350]],"evidence":"目标是编辑器中展开的预设菜单，依次显示 Linear、Invert、Abs、Z-Score 和 Log，Invert 带选中背景。边框紧贴菜单表面及边界，不包括上方 Standard Mappings 控件。六个正点分布在各选项和菜单表面；四个负点位于上方控件及菜单外的编辑器、图表区域。"}}]}
+{"video_id":242,"video_type":"data and scientific visualization","targets":[{"name":"Animated football tactics board","description":"Perspective football pitch displaying red, role-labeled player markers against blue numbered opponents. White connecting lines animate the red team's organization, first illustrating a 3-4-3 attack and then a 2-3-5 attack.","membership":"Includes the green playing surface inside the pitch boundary, field markings, both projecting goals, all player markers with their attached role labels, tactical connecting lines, and the ball. Follows the pitch and goal outlines rather than the rectangular image boundary. Excludes surrounding grass, standalone explanatory text panels, credits, watermarks, and temporary colored emphasis rings or shading.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":17,"reference_s":8.5,"evidence":"目标是带双侧球门的透视绿色足球场，包含红色角色标签球员、蓝色编号球员、白色战术连线及足球；其组织从3-4-3连续变为2-3-5，球场本体始终完整存在。首个合格帧为0.00秒，最后为16.75秒，故区间为[0,17)。区间两端均到达视频边界，没有更早或更晚的采样帧。选择8.50秒作为关键帧，因为球场、球门及球员清晰，独立说明面板与临时彩色强调区域已消失，便于区分目标轮廓和排除项。","start_frame":0,"end_frame":408,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[2,38,995,930],"positive_points":[[348,270],[550,800],[217,479],[737,256],[80,353],[918,401]],"negative_points":[[80,100],[940,130],[440,963],[955,903]],"evidence":"依据透视球场、红蓝球员标记、角色标签及白色战术连线识别目标。边界框紧贴球场及两侧外凸球门的整体可见范围，实际目标沿球场与球门轮廓取形。正点分布于场内草地、红蓝球员及两座球门；负点位于场外草地和右下角署名水印，不包含临时彩色强调圈。"}},{"name":"3-4-3 offensive formation title","description":"The title “animation offensive 3-4-3” appears on a narrow yellow strip near the upper-left pitch boundary.","membership":"Includes the complete title lettering only. Excludes its yellow backing, the pitch, and nearby player markers.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":6.5,"reference_s":0,"evidence":"目标是球场左上方窄黄色条上的完整文字“animation offensive 3-4-3”，不包括黄色底条。首个合格帧为0.00秒，最后一个为6.25秒；6.50秒帧中文字已消失。目标在视频开始时已完整显示，之前没有采样帧。选择0.00秒作为关键帧，标题清晰完整且无遮挡。","start_frame":0,"end_frame":156,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[155.3,25,351,43.1],"positive_points":[[160.6,35],[184.1,32],[221.6,36.1],[244.3,31.9],[287.1,36.1],[326.4,33.3]],"negative_points":[[345,46],[258,10],[199,75],[295,75]],"evidence":"目标是球场左上方黄色窄条上的“animation offensive 3-4-3”。框仅覆盖完整标题字形，不含黄色底条。六个正点分散在标题文字笔画上，负点位于文字外的黄色底条、草地及附近蓝色球员标记上。"}},{"name":"Right-back advancement instruction","description":"Upper-right French instruction beginning “le latéral droit (N2) monte,” explaining that the left-back stays as the left central defender. It is presented on a yellow panel during the first tactical demonstration.","membership":"Includes the entire multiline instruction text and its leading asterisk. Excludes the yellow backing panel and underlying board graphics.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":8.25,"reference_s":0,"evidence":"目标是右上角以“*le latéral droit (N2) monte”开头、说明左后卫留作左中卫的完整多行法文文字，不含黄色底板。首个合格帧为0.00秒，最后为8.00秒，文字始终完整可见；紧邻的8.25秒帧中文字及底板已消失。视频起点之前没有采样帧。选择0.00秒为关键帧，文字清晰完整、无遮挡，易于独立标注。","start_frame":0,"end_frame":198,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[714.7,41.7,879.6,97.2],"positive_points":[[716,46],[829,50],[721,69],[828,70],[724,90],[819,90]],"negative_points":[[884,94],[907,75],[690,125],[815,25]],"evidence":"目标是右上角黄色面板上的三行法文说明，以星号和“le latéral droit (N2) monte”开头。边界框覆盖完整文字及星号，不包含黄色底板。六个正点分布在各行文字笔画上，负点位于文字外的黄色边缘及周围球场背景。"}},{"name":"Attacking role-change instruction","description":"Lower-left French text on a yellow panel states “l’ailier droit devient meneur buteur (N11)” and “l’attaquant N9 devient faux N9”.","membership":"Includes all lettering and punctuation in this instruction block, including portions temporarily covered by moving markers. Excludes the yellow backing and overlapping player graphics.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":8.25,"reference_s":3,"evidence":"目标是左下角黄色面板上的法文角色转换说明，包含“l’ailier droit devient meneur buteur (N11)”及“l’attaquant N9 devient faux N9”，不含黄色底板或球员图标。首个合格帧为0秒，文字已完整呈现；最后合格帧为8秒，8.25秒时该说明已消失。区间始于视频开头，无更早帧。选择3秒作为关键帧，因为文字清楚且未被球员标记遮挡。","start_frame":0,"end_frame":198,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[18,815,277,922],"positive_points":[[43,829],[163,830],[51,868],[181,867],[90,907],[269,906]],"negative_points":[[285,847],[333,858],[151,774],[167,963]],"evidence":"目标是左下角黄色面板上的三行法语进攻角色变化说明。边界框覆盖全部文字及标点，不含黄色底板和球员图形。六个正点分布在三行文字的字形上；负点位于文字右侧黄色底板、右侧11号球员标记及外围草地。"}},{"name":"Animated football","description":"Small black-and-white football initially beside the red number 1 goalkeeper at the right goal. It moves between positions during both demonstrations and travels toward the left goal.","membership":"Includes the ball's complete circular silhouette and its black-and-white panel pattern. Excludes player markers, connecting lines, goals, and the surrounding pitch.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":17,"reference_s":2.5,"evidence":"目标是具有完整圆形轮廓和黑白拼块的小足球，起初位于右侧红色1号门将旁，随后在两段演示中移动并朝左球门运行。首个合格帧为0.00秒，最后为16.75秒，球仍在左球门处，全程可连续追踪。区间覆盖视频首尾，两端均无区间外采样帧。选择2.50秒作为关键帧，此时球位于右半场，与球员标记及连线分离，轮廓清楚，便于标注。","start_frame":0,"end_frame":408,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[689.4,479.2,707.7,508.3],"positive_points":[[694.6,484.7],[701.6,486.1],[692.0,493.1],[698.1,493.1],[702.4,498.6],[696.3,502.8]],"negative_points":[[653.6,513.9],[761.8,573.6],[722.1,488.9],[682.4,459.7]],"evidence":"目标是画面右侧中部、蓝色11号右上方的小黑白足球。边界框紧贴球的完整圆形轮廓，包含黑白面板；六个正点分布于球面各处，四个负点位于附近草地、蓝色11号和红色3号标记上，排除球员及背景。"}},{"name":"2-3-5 offensive formation title","description":"The replacement title “animation offensive 2-3-5” appears on a yellow strip along the lower-left portion of the board.","membership":"Includes the complete title lettering throughout its repositioning. Excludes the yellow backing strip and adjacent pitch graphics.","id":"obj_006","temporal":{"status":"found","start_s":8.75,"end_s":17.0,"reference_s":10.5,"evidence":"目标为左下方完整文字“animation offensive 2-3-5”，不含黄色底条。8.75秒首次完整出现，随后移动位置但文字持续完整可见，最后合格帧为16.75秒。前一帧8.50秒尚无此标题；区间延续至视频结束17.0秒，无后续帧。选择10.50秒作为关键帧，标题清晰、无遮挡，易于单独标注文字。","start_frame":210,"end_frame":408,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[87.3,902.8,306.3,933.3],"positive_points":[[92,916],[137,916],[187,920],[225,919],[266,912],[299,907]],"negative_points":[[192,939],[70,952],[44,893],[271,859]],"evidence":"目标是左下方黄色条上的“animation offensive 2-3-5”标题。边界框仅覆盖完整标题文字，不含黄色底条。六个正点分布于各词及数字的字形笔画上；负点位于文字下方黄底、外部草坪及邻近的其他文字标签上。"}},{"name":"Manchester City tactical explanation","description":"Upper-right explanation headed “Man city 2020 Guardiola”, with French instructions on cyan backing about full-backs N2 and N3 moving into midfield, the two central midfielders advancing between the lines as number 10s, and the wingers maintaining width.","membership":"Includes the heading and the complete multiline explanatory lettering beneath it as one compact reading block. Excludes the white heading backing, cyan instruction panel, and underlying tactical graphics.","id":"obj_007","temporal":{"status":"found","start_s":9.25,"end_s":17.0,"reference_s":9.5,"evidence":"目标是右上角以“Man city 2020 Guardiola”为标题、说明N2和N3内收中场、两名中场前插及边锋保持宽度的完整文字块，不包含白色和青色底板。9.25秒首次完整出现，前一帧9.00秒尚无该文字；最后合格帧为16.75秒，持续至视频结束17.00秒，之后没有采样帧。选择9.50秒作为关键帧，标题和全部说明文字清晰完整且无遮挡。","start_frame":222,"end_frame":408,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[626.5,26.4,881.3,122.2],"positive_points":[[633.5,33.3],[741.7,33.3],[679.8,54.2],[839.4,73.6],[678.0,94.4],[813.3,115.3]],"negative_points":[[886.6,118.1],[610.8,69.4],[804.5,25],[785.3,155.6]],"evidence":"目标位于右上角，以“Man city 2020 Guardiola”为标题，下方是青色面板上的法语战术说明。边界框紧贴标题及全部说明文字；六个正点分布在标题和各行字形上，四个负点位于文字块外的青色底板或球场背景，不包含白色标题底板及战术图形。"}}]}
+{"video_id":243,"video_type":"data and scientific visualization","targets":[{"name":"Clamp-and-drill hydraulic circuit diagram","description":"The main animated schematic shows cylinders labeled \"Clamp\" and \"Drill\" above two directional control valves, pressure-reducing and sequence valves, and a lower pump, filter, relief valve, and tank connections. Colored lines and traveling arrows illustrate fluid flow as the cylinders retract and the circuit returns to neutral.","membership":"Includes the complete connected schematic: component symbols and their enclosed areas, cylinder bodies and projecting rods, valve actuators and springs, solid and dashed connecting lines, junctions, flow arrows, and component labels. Follows the actual graphic elements rather than enclosing the surrounding gray background. Excludes the floating \"CONTROLS\" and \"MIMIC\" panels and the screen cursor.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":0,"evidence":"通过上方标有“Clamp”和“Drill”的缸体、两组方向控制阀及下方泵、过滤器、溢流阀和油箱连接，确认目标为完整液压回路图。首个合格帧为0秒，末个为29.75秒；期间仅流线颜色、箭头和活塞位置变化，图示持续完整存在，浮动CONTROLS、MIMIC面板及鼠标不属于目标。区间覆盖视频首尾，两端均无外侧采样帧。选择0秒作为关键帧，回路结构和标签清晰，且尚无MIMIC面板干扰。","start_frame":0,"end_frame":720,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[285.9,113.9,732.3,936.1],"positive_points":[[402,163],[646,161],[358,425],[609,426],[377,655],[446,831]],"negative_points":[[503,621],[476,636],[250,490],[758,740]],"evidence":"依据顶部 Clamp、Drill 气缸及其与方向阀、顺序阀、泵和过滤器的连接识别目标。边界框覆盖完整液压原理图的符号、标签、管线和伸出杆，直至底部油箱标签。正点分布于两个缸体、两个方向阀、溢流阀和过滤器内部；负点位于排除的 CONTROLS 面板、鼠标指针及外围灰色背景。"}},{"name":"CONTROLS joystick panel","description":"A small floating panel near the lower middle of the circuit, titled \"CONTROLS\", contains \"Click and Drag\" instructions and a black joystick used to operate the demonstration.","membership":"Includes the panel boundary, title bar, close button, light interior surface, instruction text and directional marks, and the entire joystick in its changing positions. Excludes the surrounding circuit and the screen cursor.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":30,"reference_s":1,"evidence":"目标是电路下方偏中间、标题为“CONTROLS”的浮动面板，包含关闭按钮、“Click and Drag”文字、方向标记及黑色操纵杆。首个采样帧0.00秒已完整显示，至最后采样帧29.75秒始终存在；操纵杆姿态变化不改变面板身份。区间覆盖视频首尾，边界之外均无采样帧。选择1.00秒作为关键帧，面板结构清晰完整，游标未遮挡，且旁侧尚无MIMIC面板，便于标注。","start_frame":0,"end_frame":720,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[467.7,551.9,538.0,660.2],"positive_points":[[497.0,563.0],[532.2,563.0],[500.5,584.3],[475.5,605.6],[502.0,623.0],[528.0,649.0]],"negative_points":[[458.3,599.1],[549.5,620.4],[506.3,685.2],[511.5,521.3]],"evidence":"目标是电路下方中央标题为“CONTROLS”的浮动摇杆面板。边界框紧贴整个面板，包含标题栏、关闭按钮、说明文字、浅色内表面及黑色摇杆。正点分布于这些面板内容，负点位于面板外侧背景及上方电路线，避开面板内部。"}},{"name":"MIMIC machine-animation panel","description":"A floating panel titled \"MIMIC\" appears to the right of the controls. Its line drawing shows a vertical drill above a workpiece and a horizontal clamp mechanism, illustrating the physical motion corresponding to the hydraulic circuit.","membership":"Includes the complete panel boundary, title bar, close button, interior surface, and all parts of the machine illustration, including the drill, workpiece, clamp linkage, horizontal actuator, and base throughout their movement. Excludes the adjacent controls panel, circuit graphics, and screen cursor.","id":"obj_003","temporal":{"status":"found","start_s":1.25,"end_s":30.0,"reference_s":1.5,"evidence":"目标是 controls 右侧标题为“MIMIC”的浮动面板，包含边框、标题栏、关闭按钮及钻头、工件和夹紧机构示意图。1.00秒尚未出现，1.25秒首次完整呈现；此后持续存在，最后合格帧为29.75秒。区间延伸至视频结尾30.00秒，无后续采样帧。选择1.50秒作为关键帧，面板结构和内部机械图清晰，无遮挡。","start_frame":30,"end_frame":720,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[540.1,551.9,640.1,709.3],"positive_points":[[588.5,562.0],[633.9,562.5],[614.6,602.8],[614.6,682.4],[557.3,687.0],[552.1,623.1]],"negative_points":[[502.6,619.4],[651.0,638.9],[659.4,509.3],[592.2,528.7]],"evidence":"目标是位于 CONTROLS 右侧、标题为“MIMIC”的浮动面板。边界框覆盖完整外框、标题栏、关闭按钮、内部表面及钻头、工件和夹紧机构示意图。正点分布于标题栏、关闭按钮、机械图和面板内部；负点位于左侧控制面板、外部灰色背景及附近液压回路，均不属于目标。"}}]}
+{"video_id":244,"video_type":"data and scientific visualization","targets":[{"name":"Electricity and heat title","description":"Opening two-line title reading \"electricity\" in yellow and \"heat\" in white, positioned left of the house illustration.","membership":"Include both lines of lettering as one text block. Exclude the background and adjacent illustrations.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标为房屋左侧的两行标题：黄色“electricity”和白色“heat”。0.00秒已完整呈现，0.50秒仍完整可见；0.75秒标题消失，画面转为抽象过渡图形，因此最后合格帧为0.50秒。区间始于视频开头，无更早采样帧。选择0.00秒作为关键帧，文字清晰完整且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[141.1,206.5,541.7,454.6],"positive_points":[[150,280],[320,280],[531,258],[199,411],[247,408],[354,417]],"negative_points":[[104,324],[286,519],[625,315],[312,157]],"evidence":"目标是房屋左侧的两行标题：黄色“electricity”和白色“heat”。边界框紧密覆盖两行完整文字；六个正点分布在两行字母的实际笔画上，四个负点位于标题外围背景，避开文字内部空隙和相邻插图。"}},{"name":"A-frame house","description":"Opening house illustration at the lower right, with a steep white triangular roof, yellow paneled facade, dark doorway, and chimney.","membership":"Include the building silhouette, roof, facade, doorway, and chimney. Exclude surrounding trees, floating circles, and landscape lines.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.25,"evidence":"目标是开场右下角的A字形房屋，可见陡峭的白色三角屋顶、黄色分格立面、深色门洞和烟囱；不包括树木及悬浮圆圈。首个合格帧为0.00秒，最后为0.50秒，房屋移动后仍完整可见；紧邻的0.75秒帧中房屋已消失，画面变为抽象圆角条。区间始于视频开头，无更早帧。选择0.25秒作为关键帧，因为建筑结构完整清晰且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[599.5,425,807.3,806.5],"positive_points":[[650.5,657.4],[747.4,648.1],[742.7,506.5],[703.6,581.5],[671.9,755.6],[703.1,768.5]],"negative_points":[[836.5,631.5],[590.1,606.5],[550,731.5],[749,400]],"evidence":"目标为右下角的A字形房屋，具有白色陡三角屋顶、黄色分格立面、深色门洞和烟囱。框覆盖完整建筑轮廓及烟囱；正点分布在两侧屋顶、烟囱、立面和门洞，负点位于周围树木及上方圆形装饰，排除这些非建筑元素。"}},{"name":"Biomass lightbulb graphic","description":"Large outlined lightbulb above the conversion-process row, containing a five-leaf green plant and a small blue electrical connector near its base.","membership":"Include the bulb boundary and enclosed area, plant, inner curved line, and blue connector. Exclude the long branching distribution lines and moving markers outside the bulb.","id":"obj_003","temporal":{"status":"found","start_s":3.0,"end_s":8.0,"reference_s":5.5,"evidence":"目标是转化流程行上方的大灯泡轮廓，内部有五片绿叶、内侧曲线及蓝色连接头��不含外部长分支线和移动标记。3.00秒首次完整呈现，前一帧2.75秒连接头底部线条仍在绘制；最后合格帧为7.75秒，8.00秒灯泡及内部曲线开始擦除。选择5.50秒作关键帧，目标轮廓清楚、无遮挡，便于独立标注。","start_frame":72,"end_frame":192,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[396.9,39.8,601.6,466.7],"positive_points":[[498,83],[421,217],[579,220],[498,172],[511,279],[499,394]],"negative_points":[[365,499],[624,499],[684,466],[370,271]],"evidence":"目标是流程图上方的大型灯泡，内部有五片绿叶和底部蓝色连接器。框覆盖灯泡外轮廓及底部收颈区域；正点分布在灯泡内部、绿叶和蓝色连接器上。负点位于外部背景及分配线路上的方形、圆形标记处，不包含向两侧延伸的长线路。"}},{"name":"Combustion illustration","description":"Leftmost conversion illustration, showing a green horizontal log beneath a blue flame with a dark inner flame.","membership":"Include the log and flame shapes, including their internal markings. Exclude the process label, overhead connection line, and surrounding background.","id":"obj_004","temporal":{"status":"found","start_s":2.25,"end_s":9.0,"reference_s":5.5,"evidence":"目标是最左侧的绿色横木及其上方蓝色火焰、深色内焰，不包括文字和连接线。2.25秒首次完整呈现火焰及内部线条；前一帧2.00秒火焰细节仍在形成。最后符合条件的帧为8.75秒，9.00秒已切换画面，目标消失。选择5.50秒作为关键帧，木头与火焰结构清晰、完整且无遮挡。","start_frame":54,"end_frame":216,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[108.3,566.7,182.8,738.9],"positive_points":[[156.3,620.4],[128.6,663.9],[145.8,684.3],[121.9,722.2],[147.9,721.3],[172.4,723.1]],"negative_points":[[143.8,794.4],[173.4,465.7],[100.0,639.8],[207.3,689.8]],"evidence":"目标是最左侧的燃烧示意图，由绿色横放木柴、蓝色外焰和深色内焰组成。边界框紧贴木柴、火焰及其上方短线标记；正点分布在外焰、内焰和木柴两端，负点位于下方标签、上方连接线及两侧背景，均不属于目标。"}},{"name":"Gasification reactor","description":"First vessel to the right of the burning log, with green material below a blue gas space, heat flames underneath, green feed particles above, and side flow arrows.","membership":"Include the complete vessel boundary and contents, its feed opening and particles, attached inlet and outlet arrows, and the heating flames at its base. Exclude the overhead distribution line and the separate label.","id":"obj_005","temporal":{"status":"found","start_s":3.5,"end_s":9.0,"reference_s":5.75,"evidence":"目标是燃烧木段右侧的第一个反应容器，具有下部绿色物料、上部蓝色气体空间、顶部绿色进料颗粒、侧面流向箭头和底部加热火焰。3.50秒首次完整呈现，前一帧3.25秒蓝色气体区域尚在显现；8.75秒仍完整可见，9.00秒已切换场景且目标消失。选择5.75秒作为关键帧，此时各组成部分清晰，无遮挡，容易与旁边容器区分；不包含上方分配管线和文字标签。","start_frame":84,"end_frame":216,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[267.2,536.1,390.1,739.8],"positive_points":[[322.4,543.5],[301.0,637.0],[338.5,694.4],[276.0,700.0],[382.3,633.3],[322.4,728.7]],"negative_points":[[375.0,499.1],[314.6,795.4],[139.6,722.2],[401.0,681.5]],"evidence":"目标是燃烧木段右侧的第一座气化反应器。框覆盖容器边界、蓝色气体区与绿色物料、顶部进料口和颗粒、两侧流向箭头及底部加热火焰。正点分布在颗粒、内部物料、箭头和火焰上；负点位于上方分配线、下方独立标签、左侧木段及右侧外部背景。"}},{"name":"Anaerobic digestion reactor","description":"Middle conversion vessel, containing green liquid, a paddle mixer, and blue gas bubbles, with a blue circular feed symbol above.","membership":"Include the vessel boundary and enclosed contents, mixer, feed opening and blue feed symbol, and attached outlet arrow. Exclude the external distribution line and process label.","id":"obj_006","temporal":{"status":"found","start_s":3.25,"end_s":9.0,"reference_s":5.5,"evidence":"目标是中间带蓝色圆形进料符号的反应 vessel，内部随后出现绿色液体、桨式搅拌器和蓝色气泡。3.25秒起容器边界、进料口及出口箭头已完整建立；3.00秒的容器轮廓仍在绘制，内部内容的后续出现不延迟容器起点。最后合格帧为8.75秒，9.00秒已切换到其他画面，目标消失。选择5.50秒作为关键帧，因容器及各项内部特征清晰完整且无遮挡。","start_frame":78,"end_frame":216,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[460.9,549.1,568.2,738.9],"positive_points":[[499,565],[477.9,629.6],[490.6,701.9],[482.3,721.3],[535.9,686.1],[560.4,632.4]],"negative_points":[[499,508],[494.8,799.1],[323,662],[581.3,601.9]],"evidence":"目标为中央标注“anaerobic digestion”上方的反应器，内部可见绿色液体、搅拌桨和蓝色气泡。框覆盖容器边界及内部、进料开口与蓝色圆形符号、右侧出口箭头。六个正点分布在进料符号、气泡、搅拌桨、液体、容器边界和出口箭头；负点位于上方外部分配线、下方文字、左侧另一反应器和右侧外部背景。"}},{"name":"Pyrolysis reactor","description":"Conversion vessel immediately right of the digestion vessel, containing three green plant stems and blue gas bubbles, with dark heating flames underneath.","membership":"Include the complete vessel and contents, upper feed opening and green particles, attached outlet arrow, and base flames. Exclude the overhead connecting line and separate label.","id":"obj_007","temporal":{"status":"found","start_s":4.25,"end_s":9.0,"reference_s":6.75,"evidence":"目标是厌氧消化罐右侧、内有三株绿色植物和蓝色气泡、底部带加热火焰的热解反应器，包括上方进料口及绿粒、侧面出口箭头。4.25秒首次完整呈现，前一帧4.00秒内部气泡仍在逐步显现。最后合格帧为8.75秒，完整反应器仍可见；9.00秒已切换场景，目标消失。选择6.75秒作为关键帧，因容器、内容物和附属结构清晰完整，无遮挡。","start_frame":102,"end_frame":216,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[639.6,544.4,744.8,739.8],"positive_points":[[678.1,550.9],[657.3,630.6],[678.1,681.5],[640.6,639.8],[735.9,633.3],[689.6,727.8]],"negative_points":[[674.5,515.7],[674.5,795.4],[499,688.9],[758.9,675.9]],"evidence":"目标是厌氧消化罐右侧、含三株绿色植物和蓝色气泡的热解反应器。框覆盖完整罐体、顶部进料口及绿色颗粒、右侧出口箭头和底部火焰。正点分布于颗粒、气泡、植物、罐壁、箭头和火焰；负点位于上方连接线、下方独立标签、左侧消化罐及右侧外部背景。"}},{"name":"Fermentation reactor","description":"Rightmost conversion vessel, showing green material, small white rod-like marks, a dark paddle mixer, blue upper space, and side flow arrows.","membership":"Include the vessel boundary and enclosed contents, mixer, upper feed opening and blue symbol, and attached inlet and outlet arrows. Exclude the overhead distribution line and separate label.","id":"obj_008","temporal":{"status":"found","start_s":5.25,"end_s":9.0,"reference_s":6.0,"evidence":"目标是最右侧发酵反应器，包含绿色物料、白色短棒、深色搅拌桨、蓝色上层及进出料箭头，不含上方分配线和文字标签。5.25秒首次完整呈现；前一帧5.00秒的搅拌桨仍在绘制。最后合格帧为8.75秒，容器及附属结构仍完整可见，9.00秒已切换场景、目标消失。选择6.00秒作为关键帧，结构清晰完整且无遮挡。","start_frame":126,"end_frame":216,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[799.5,552.8,924.5,738.9],"positive_points":[[854.7,568.5],[833.9,633.3],[876.6,677.8],[860.9,708.3],[809.4,700],[915.1,633.3]],"negative_points":[[797.4,464.8],[677.1,692.6],[942.7,675.9],[854.2,784.3]],"evidence":"目标是最右侧带绿色物料、白色短棒和深色搅拌桨的发酵反应器。框覆盖容器边界及内部、顶部进料口与蓝色圆形符号，以及两侧进出流箭头。正点分布在顶部符号、蓝色上部空间、绿色物料、搅拌桨和两侧箭头；负点位于上方分配线、左侧另一反应器及目标右侧和下方背景。"}},{"name":"Combustion label","description":"Thin white text reading \"combustion\" beneath the burning-log illustration.","membership":"Include only the label lettering. Exclude the illustration and dark backing band.","id":"obj_009","temporal":{"status":"found","start_s":2.75,"end_s":9.0,"reference_s":7.75,"evidence":"目标是燃烧木柴下方深色横带上的细白色“combustion”字样，仅计入文字。首个完整呈现帧为2.75秒；前一帧2.50秒文字仍未揭示完整。最后合格帧为8.75秒，文字仍完整可见；9.00秒场景切换，标签消失。选择7.75秒作为关键帧，文字清晰、无遮挡，且与上方插图区分明确。","start_frame":66,"end_frame":216,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[87.5,783.3,198.4,810.2],"positive_points":[[88.5,800],[101,800],[113.5,798.1],[132.8,787.5],[163,798.1],[197,802.8]],"negative_points":[[75,800],[212,800],[141,660],[142,845]],"evidence":"目标为燃烧木柴图示下方的白色细体“combustion”。边界框紧贴整段标签文字；六个正点分布于不同字母笔画上，负点位于文字两侧及下方的深色背景和上方燃烧图示，排除插图与底色带。"}},{"name":"Gasification label","description":"Thin white text reading \"gasification\" beneath the first reactor.","membership":"Include only the label lettering. Exclude the reactor and dark backing band.","id":"obj_010","temporal":{"status":"found","start_s":3.75,"end_s":9.0,"reference_s":6.0,"evidence":"目标是第一个反应器下方的细白字“gasification”，仅包含字母。3.75秒首次完整显示，之前3.50秒仍在逐字揭示；最后符合条件的帧为8.75秒，文字仍完整可见，9.00秒场景已切换、标签消失。选择6.00秒作为关键帧，文字清晰且无遮挡，便于单独标注。","start_frame":90,"end_frame":216,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[267.7,779.6,376.1,814.0],"positive_points":[[268.8,795.4],[288.5,804.6],[297.9,787.9],[312.5,781.5],[337.0,787.9],[375.0,797.2]],"negative_points":[[320.0,846.0],[247.0,795.0],[396.0,795.0],[321.0,681.0]],"evidence":"目标是第一个反应器下方的白色细体“gasification”。边界框紧贴整个单行标签；六个正点分布在字母笔画上，负点位于标签外的深色底带及上方反应器，排除这些非目标区域。"}},{"name":"Anaerobic digestion label","description":"Two-line white label reading \"anaerobic digestion\" beneath the middle reactor, progressively revealed.","membership":"Include both lines of lettering as one text block. Exclude the reactor and backing band.","id":"obj_011","temporal":{"status":"found","start_s":5.0,"end_s":9.0,"reference_s":7.75,"evidence":"目标是中间反应器下方白色的两行文字“anaerobic digestion”，不含反应器和深色底带。5.00秒两行文字首次完整显示，4.75秒仍只揭示了第一行的一部分；8.75秒为最后完整可见帧，9.00秒已切换画面，文字消失。选择7.75秒作为关键帧，文字清晰、无遮挡且距离画面边缘较远。","start_frame":120,"end_frame":216,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[453.1,782.4,550,860.2],"positive_points":[[458.3,809.3],[515.1,790.7],[523.9,784.3],[467.2,830.6],[479.2,858.3],[543.8,848.1]],"negative_points":[[437.5,798.1],[562.5,833.3],[500,648.1],[500,888.9]],"evidence":"目标是中央反应器下方的白色两行文字“anaerobic digestion”。边界框覆盖两行完整文字及行间距；六个正点分布在两行字母笔画上，负点位于文字外的深色底带及上方反应器，排除反应器和底带。"}},{"name":"Pyrolysis label","description":"White text reading \"pyrolysis\" beneath the plant-filled heated reactor.","membership":"Include only the label lettering. Exclude the reactor and backing band.","id":"obj_012","temporal":{"status":"found","start_s":6.75,"end_s":9.0,"reference_s":7.75,"evidence":"目标为装有植物并在底部加热的反应器下方、深蓝色横带上的白色“pyrolysis”字母。6.75秒首次完整显示，8.75秒为最后一个完整可见帧；此前6.50秒文字尚未揭示完毕，之后9.00秒已切换场景且标签消失。选择7.75秒作为关键帧，文字清晰完整，与相邻标签容易区分。","start_frame":162,"end_frame":216,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[645.3,781.5,723.4,817.6],"positive_points":[[645.8,805.6],[668.2,800],[680.2,808.3],[689.1,788.9],[706.8,799.1],[719.8,808.3]],"negative_points":[[679.2,753.7],[683.3,840.7],[628.1,798.1],[740.6,798.1]],"evidence":"目标是植物加热反应器下方的白色“pyrolysis”标签。边界框紧贴完整单词，正点分布于不同字母笔画；负点位于标签上方、下方及左右的深色背景带，不包含反应器或字母内部空隙。"}},{"name":"Fermentation label","description":"White text reading \"fermentation\" beneath the rightmost reactor.","membership":"Include only the label lettering. Exclude the reactor and backing band.","id":"obj_013","temporal":{"status":"found","start_s":7.75,"end_s":9.0,"reference_s":8.0,"evidence":"目标是最右侧反应器下方白色“fermentation”字样，仅包含 lettering。7.75秒首次完整显示，8.75秒为最后一个完整可见帧；此前7.50秒文字仍在逐步显现，之后9.00秒已切换画面，标签消失。选择8.00秒为关键帧，此时文字完整清晰、无遮挡且远离画面边界。","start_frame":186,"end_frame":216,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[803.1,783.3,924.0,811.1],"positive_points":[[806.3,789.8],[814.1,800.0],[831.3,801.9],[853.1,800.0],[894.8,797.2],[922.4,801.9]],"negative_points":[[860.0,836.0],[790.0,797.0],[938.0,796.0],[859.0,678.0]],"evidence":"目标是最右侧反应器下方的白色“fermentation”标签。边界框紧贴完整单行文字，正点分布在不同字母笔画上；负点位于文字外的深色背景带及上方反应器内，排除反应器和背景。"}},{"name":"Three biomass plants","description":"Compact group of three upright green five-leaf plants in the subsequent energy-and-fuel sequence, initially at the lower left.","membership":"Include the three plants and their stems joining along their short common base. Exclude the longer winding route, decorative leaves elsewhere on it, and nearby energy symbols.","id":"obj_014","temporal":{"status":"found","start_s":10.25,"end_s":13.75,"reference_s":11.25,"evidence":"目标是后续能源与燃料场景左下方的三株绿色五叶植物，包括三根茎及短公共基部，不包括蜿蜒路线。10.25秒三株植物结构已完整，前一帧10.00秒仍只有未完成的茎线；最后合格帧为13.50秒，13.75秒下移使茎与公共基部开始被画面下缘裁切。选择11.25秒作为关键帧，三株植物及基部清晰完整，与附近能源符号易于区分。","start_frame":246,"end_frame":330,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[209.4,670.4,372.4,876.4],"positive_points":[[237.5,700.9],[289.6,700],[341.1,700],[224,801.9],[357.8,800.9],[290.6,875]],"negative_points":[[190.1,759.3],[390.6,875],[477.6,930.6],[638.5,870.4]],"evidence":"目标是图像左下方并排的三株绿色五叶植物。边界框包含全部叶片、竖直茎及底部相连的短基线，不包含向外延伸的路线。正点分布在三株的顶叶、两侧下叶和共同基线上；负点位于左侧外部背景、右侧延伸路线及温度和电能符号上。"}},{"name":"Heat symbol","description":"Circular heat badge beside the three plants, featuring a thermometer with a green bulb over a yellow sun.","membership":"Include the outer circular boundary and its enclosed area, thermometer, sun disk, and sun rays. Exclude the route passing between badges.","id":"obj_015","temporal":{"status":"found","start_s":11.0,"end_s":11.75,"reference_s":11.0,"evidence":"目标是三株植物旁的圆形热能徽章，内含绿色球泡温度计、黄色太阳及光芒。11.00秒首次完整呈现，11.50秒为最后完整帧；此前10.75秒外圆仍有未绘完的缺口，此后11.75秒徽章下缘开始被画面底部裁切。选择11.00秒作为关键帧，整个徽章清晰完整，且与右侧电力徽章易于区分。","start_frame":264,"end_frame":282,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[418.2,754.6,537.5,967.6],"positive_points":[[477.6,916.7],[477.6,820.4],[460.4,860.2],[495.3,856.5],[454.7,787.0],[510.4,922.2]],"negative_points":[[551.0,860.2],[343.2,686.1],[638.0,856.5],[479.2,713.0]],"evidence":"目标是三株植物右侧、闪电徽章左侧的圆形热量徽章，内有绿色球部的温度计及黄色太阳。边界框紧贴外圆，覆盖圆内区域、温度计、太阳和光芒。正点分布在温度计、太阳及圆内区域；负点位于圆外连接路线、植物、闪电徽章和上方背景，排除经过徽章之间的路线。"}},{"name":"Electricity symbol","description":"Circular badge to the right of the heat symbol, containing a white lightning bolt on green and a small electrical plug.","membership":"Include the outer circle and enclosed area, lightning bolt, green disk, curved cord, and plug. Exclude the external route and neighboring heat badge.","id":"obj_016","temporal":{"status":"found","start_s":11.25,"end_s":11.75,"reference_s":11.25,"evidence":"目标是热量徽章右侧的圆形电力徽章，包含绿色圆盘、白色闪电、弯曲电线和小插头。11.25秒首次完整呈现，最后合格帧为11.50秒；此前11.00秒的插头仍在绘制，之后11.75秒徽章下缘开始被画面底部裁切。选择11.25秒作为关键帧，因为整体完整清楚，且与相邻热量徽章容易区分。","start_frame":270,"end_frame":282,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[578.6,763.9,698,976],"positive_points":[[638,783.3],[594.8,873.1],[640.6,867.6],[625,859.3],[671.9,875],[641.1,953.7]],"negative_points":[[478.1,877.8],[557.3,875],[724,879.6],[635.4,726.9]],"evidence":"目标是热量徽章右侧的圆形电力徽章，内有绿色圆盘、白色闪电、弯曲电线和小插头。边界框紧贴外圆并覆盖全部内部区域；正点分布在徽章内表面、闪电、绿盘和插头上，负点位于左侧热量徽章、外部路线及圆外背景。"}},{"name":"Biodiesel barrel","description":"Upright ribbed drum labeled \"biodiesel\", with a dark top fitting and a green circular badge containing a white droplet.","membership":"Include the drum boundary and surface, ribs, top fitting, droplet badge, and label on the drum. Exclude the adjacent ethanol container and external route.","id":"obj_017","temporal":{"status":"found","start_s":14.25,"end_s":20.0,"reference_s":16.25,"evidence":"目标为标有“biodiesel”的直立带肋圆桶，顶部有深色接头，桶面随后形成绿色圆形白色液滴徽章。14.25秒桶体表面和完整边界首次建立；14.00秒底部轮廓仍未绘完，桶面徽章的后续变化不延迟容器起点。最后合格帧为19.75秒，20.00秒桶体开始被画面下缘裁切。16.25秒桶体、标签和液滴徽章完整清晰，与右侧乙醇容器容易区分，适合作为标注关键帧。","start_frame":342,"end_frame":480,"reference_frame":390},"grounding":{"status":"found","bbox_xyxy":[433.3,646.3,486.5,824.1],"positive_points":[[475,653.7],[451,661.1],[439.1,684.3],[447.4,726.9],[467.2,768.5],[459.4,800.9]],"negative_points":[[509.4,670.4],[546.9,759.3],[415.6,726.9],[643.2,754.6]],"evidence":"目标是画面中下部标有“biodiesel”的立式肋纹桶。框覆盖桶身表面、��界、肋纹、顶部深色接头、绿色水滴徽章和标签，不含上接管线。正点分布在接头、桶顶、桶身、徽章及标签；负点位于相邻乙醇容器、左侧外部背景和右侧蓝色水滴图形。"}},{"name":"Liquid-fuel can","description":"Outlined jerrycan to the right of the biodiesel and ethanol graphics, with an angled dark cap and a large blue circular droplet badge overlapping its front.","membership":"Include the complete can silhouette and enclosed area, cap, panel details, and overlapping droplet badge. Exclude neighboring fuel containers and the external route.","id":"obj_018","temporal":{"status":"found","start_s":15.0,"end_s":20.0,"reference_s":16.5,"evidence":"目标是 biodiesel 和 ethanol 图形右侧的线描油罐，带斜置深色瓶盖及正面重叠的蓝色圆形水滴徽章。15.00 秒首次完整呈现罐体、面板细节和徽章；14.75 秒面板细节仍在绘制。最后合格帧为 19.75 秒，20.00 秒罐体下部开始被画面底边裁切。选择 16.50 秒作为关键帧，目标完整清晰，与邻近燃料容器易于区分。","start_frame":360,"end_frame":480,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[608.9,645.4,720.3,830.6],"positive_points":[[644.8,660.2],[665.6,688.9],[710.4,719.4],[707.3,813.0],[622.9,762.0],[643.2,775.9]],"negative_points":[[521.0,689.0],[459.0,778.0],[757.0,736.0],[609.0,652.0]],"evidence":"目标是乙醇图案右侧的轮廓油罐，具有倾斜深色瓶盖及前方重叠的蓝色水滴圆章。边界框覆盖完整罐体、瓶盖和圆章；正点分布在瓶盖、罐体内部及圆章上，负点位于相邻乙醇、生物柴油容器和罐外背景，排除外部路线。"}},{"name":"Ethanol container","description":"Tall rounded-top fuel container immediately right of the biodiesel barrel, displaying two green leaves and the label \"ethanol\".","membership":"Include the container boundary and enclosed area, leaf graphic, label, and attached side hose. Exclude the biodiesel barrel, separate jerrycan, and external route.","id":"obj_019","temporal":{"status":"found","start_s":16.25,"end_s":20.0,"reference_s":18.0,"evidence":"目标是 biodiesel 桶右侧的圆顶高容器，内有两片绿叶及“ethanol”标签，并包含右侧软管。16.25 秒时这些结构首次完整呈现；16.00 秒软管仍在绘制。最后合格帧为 19.75 秒，20.00 秒容器下缘和标签开始被画面底部裁切。选择 18.00 秒作为关键帧，因为容器、叶片、标签及软管清楚完整，且易与旁边的桶和油罐区分。","start_frame":390,"end_frame":480,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[474.5,668.5,602.6,913],"positive_points":[[501,685],[507,756],[547,811],[525,892],[566,724],[592.7,763]],"negative_points":[[459,862],[704,783],[396,622],[573,618]],"evidence":"目标是 biodiesel 桶右侧、带两片绿叶及“ethanol”标签的高圆顶容器。框覆盖容器可见边界、内部图案与文字，以及右侧连接软管；不包含前方桶、独立油罐或外部路线。正点分布于容器内部、叶片、标签和软管，负点位于 biodiesel 桶、独立油罐及外部背景。"}},{"name":"Biogas storage tank","description":"Horizontal rounded tank above the liquid-fuel group, supported by two dark vertical legs and marked with a circular leaf emblem and \"biogas\".","membership":"Include the tank boundary and enclosed area, leaf emblem, label, and both supports. Exclude the winding route, decorative leaves, and short accent strokes beneath it.","id":"obj_020","temporal":{"status":"found","start_s":18.0,"end_s":25.0,"reference_s":20.0,"evidence":"目标是液体燃料组上方的横向圆角储气罐，带圆形叶片徽标、“biogas”文字及两根深色支腿。18.00秒首次完整呈现；17.75秒罐体右下方轮廓仍未绘制完成。24.75秒为最后完整帧，25.00秒支腿开始被画面下缘裁切。选择20.00秒作为关键帧，此时罐体、标识和双支腿清晰完整，与装饰路线容易区分。","start_frame":432,"end_frame":600,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[418.2,498.1,596.4,690.7],"positive_points":[[437,583],[573,588],[500,546],[508,632],[467,666],[548,667]],"negative_points":[[665,509],[620,667],[508,731],[425,269]],"evidence":"目标是图中央带圆形叶片徽标和“biogas”文字的横向圆头储罐。边框覆盖罐体及其内部、徽标、标签和两根深色支腿。正点分布于罐体两侧、徽标、标签及支腿；负点位于右侧装饰叶、蜿蜒路线、下方背景和上方另一油罐，均不属于目标。"}},{"name":"Bio-oil barrel","description":"Ribbed upright drum in the upper fuel group, labeled \"bio-oil\" and bearing a dark circular badge with a white droplet.","membership":"Include the drum boundary and surface, top fitting, ribs, droplet badge, and label. Exclude the adjoining syngas container and external route.","id":"obj_021","temporal":{"status":"found","start_s":18.5,"end_s":27.0,"reference_s":21.0,"evidence":"目标是上层燃料组中标有“bio-oil”的立式肋纹油桶，后续出现深色圆形白水滴徽章，旁边为 syngas 容器。18.50 秒桶身边界、桶顶配件及肋纹已完整；18.25 秒底部轮廓仍未画完，内部徽章稍后出现不影响容器起点。最后合格帧为 26.75 秒，27.00 秒切换为苹果核图案，油桶消失。选择 21.00 秒作为关键帧，此时油桶完整清晰，标签和徽章明确且无遮挡。","start_frame":444,"end_frame":648,"reference_frame":504},"grounding":{"status":"found","bbox_xyxy":[398.96,240.74,452.6,419.44],"positive_points":[[441.15,248.15],[421.35,254.63],[406.25,279.63],[425,321.3],[443.75,358.33],[424.48,396.3]],"negative_points":[[491.67,256.48],[490.1,393.52],[379.69,324.07],[425.52,451.85]],"evidence":"目标为上方燃料组中标有“bio-oil”、带深色圆形白液滴徽章的立式桶。框覆盖桶体边界与表面、顶部接头、桶身横肋、徽章和标签。正点分布在这些部位；负点位于右侧 syngas 容器及桶左侧、下方的外部背景，不包含外部路线。"}},{"name":"Syngas container","description":"Rounded-top container beside the bio-oil barrel, labeled \"syngas\", with green leaves and a composition graphic showing a large \"CO\" circle and two smaller \"H₂\" circles.","membership":"Include the container boundary and enclosed area, attached side hose, leaves, label, and the complete chemical-composition graphic. Exclude the neighboring barrel and external route.","id":"obj_022","temporal":{"status":"found","start_s":19.75,"end_s":27.0,"reference_s":21.0,"evidence":"目标是 bio-oil 桶旁标有“syngas”的圆顶容器，包含侧边软管、绿叶及 CO 和两个 H₂ 圆形组成图。19.75 秒首次全部呈现完整；此前 19.50 秒的化学组成图尚未完成。最后合格帧为 26.75 秒，容器仍完整可见；27.00 秒已切换为另一图案，目标消失。选择 21.00 秒作为关键帧，目标清晰完整，且易与邻近油桶区分。","start_frame":474,"end_frame":648,"reference_frame":504},"grounding":{"status":"found","bbox_xyxy":[438,167.6,568,412],"positive_points":[[467,184],[491,257],[527,249],[505,329],[491,395],[567.2,335.2]],"negative_points":[[425.5,322.2],[360,412],[584,284],[493,121]],"evidence":"目标是 bio-oil 桶右侧标有“syngas”的圆顶容器。边界框覆盖容器可见边界与内部、侧面软管、绿叶、标签及完整 CO/H₂ 图示。正点分布于顶部内部、化学图示、绿叶、标签和软管；负点位于邻桶、左侧外部路线及容器外背景，排除邻桶与外部路线。"}},{"name":"Passenger ship","description":"Blue-and-white passenger ship above the bio-oil and syngas group, with a stepped superstructure, rows of dark windows, and a blue hull along a wavy waterline.","membership":"Include the complete ship silhouette, windows, hull, and short wave strokes directly beneath it. Exclude the long route below and nearby aircraft.","id":"obj_023","temporal":{"status":"found","start_s":24.25,"end_s":27.0,"reference_s":25.0,"evidence":"目标是 bio-oil 和 syngas 上方的蓝白客船，具有阶梯式上层建筑、深色舷窗、蓝色船 hull 和船底短波纹；不包含下方长路线及飞机。24.25 秒首次完整呈现，26.75 秒为最后合格帧。此前 24.00 秒船体上层轮廓及细节仍在绘制；此后 27.00 秒切换为苹果核图案，船已消失。选择 25.00 秒作为关键帧，客船结构清晰完整，与附近飞机分离。","start_frame":582,"end_frame":648,"reference_frame":600},"grounding":{"status":"found","bbox_xyxy":[389.1,184.3,531.3,290.7],"positive_points":[[445.8,194.4],[429.2,222.2],[490.1,241.7],[412.0,266.7],[483.9,268.5],[393.8,285.2]],"negative_points":[[373.0,217.0],[583.3,299.1],[588.5,134.3],[492.2,477.8]],"evidence":"目标是位于生物油桶和合成气装置上方的蓝白客船，具有阶梯式上层建筑、深色舷窗和蓝色船体。边界框覆盖完整船身及紧贴船底的短波浪线；正点分布在上层建筑、船体和短波浪线上，负点位于船外背景、下方长路线、附近飞机及合成气装置上。"}},{"name":"Passenger airplane","description":"Blue passenger aircraft above and to the right of the ship, pointing right, with white wings and a row of dark windows.","membership":"Include the complete aircraft silhouette, wings, tail, and window details. Exclude detached motion strokes, clouds, and the ship.","id":"obj_024","temporal":{"status":"found","start_s":24.5,"end_s":27.0,"reference_s":25.5,"evidence":"目标是船只右上方、朝右飞行的蓝色客机，具有白色机翼、尾翼和一排深色舷窗，不包括独立的速度线。24.50秒首次完整呈现，26.75秒为最后合格帧；此前24.25秒仅出现尚未完成的机身，此后27.00秒切换为苹果核图案，飞机消失。选择25.50秒作为关键帧，飞机轮廓清晰完整且无遮挡。","start_frame":588,"end_frame":648,"reference_frame":612},"grounding":{"status":"found","bbox_xyxy":[523.4,124.1,637.0,210.2],"positive_points":[[533.9,132.4],[544.3,169.4],[583.9,138.0],[596.9,162.0],[626.0,174.1],[575.0,194.4]],"negative_points":[[500.0,175.9],[463.5,259.3],[609.4,101.9],[656.3,175.9]],"evidence":"目标是船只右上方朝右飞行的蓝色客机，带白色机翼和深色舷窗。边界框紧贴完整机身、机翼及尾翼；正点分布在这些部件与舷窗上，负点位于分离的运动线、下方船只及飞机外围背景，均不包含在目标内。"}},{"name":"Circular food-waste emblem","description":"Closing circular illustration with a white apple-core shape and green leaf inside a dark disk, surrounded by a ring of alternating dark leaf pairs and green circles.","membership":"Include the central disk and its contents, the outer circular line and enclosed area, and the leaf pairs and green circles arranged around it. Preserve the actual outer contours rather than filling a rectangular envelope. Exclude detached transition strokes.","id":"obj_025","temporal":{"status":"found","start_s":27.25,"end_s":27.75,"reference_s":27.25,"evidence":"目标为深色圆盘内的白色苹果核和绿叶，以及外围圆线、交替排列的深色叶对与绿色圆点。27.25秒首次完整呈现，27.50秒仍完整，仅发生旋转和位移；此前27.00秒外围元素尚在组装，之后27.75秒圆点、圆线等开始消失和拆散。选择27.25秒作为关键帧，整体轮廓清晰且无遮挡。","start_frame":654,"end_frame":666,"reference_frame":654},"grounding":{"status":"found","bbox_xyxy":[283.9,105.6,721.4,890.7],"positive_points":[[508,444],[516,140],[332,361],[703,533],[484,861],[565,813]],"negative_points":[[260,500],[730,240],[550,940],[390,100]],"evidence":"根据深色圆盘内的白色苹果核、绿色小叶，以及外围交替排列的深色叶对和绿色圆点识别目标。边界框紧贴整幅徽章的最外侧叶片，涵盖中心圆盘、外圆线及其围合区域，不包含游离的过渡短线。正点分布在苹果核及外围不同方向的叶片和绿圆上；负点均位于徽章外部背景。"}},{"name":"Grow Green Burn Clean closing title","description":"Closing centered slogan, revealed as green \"Grow Green\" followed by dark blue \"Burn Clean\" on a second line.","membership":"Include both lines of slogan lettering as one text block throughout the progressive reveal. Exclude the background and preceding transition shapes.","id":"obj_026","temporal":{"status":"found","start_s":29.75,"end_s":30.0,"reference_s":29.75,"evidence":"目标是居中的双行结束标语：绿色“Grow Green”和深蓝色“Burn Clean”。首个及最后一个合格采样帧均为29.75秒，两行文字已完整呈现；前一帧29.50秒第二行仅显出淡色“Burn”，尚未完成揭示。区间延续至视频末尾30.0秒，无后续帧。选择29.75秒作为关键帧，因为完整文字清晰且无遮挡。","start_frame":714,"end_frame":720,"reference_frame":714},"grounding":{"status":"found","bbox_xyxy":[296.9,372.2,703.6,613.9],"positive_points":[[308.3,418.5],[449.5,416.7],[695.8,440.7],[325,586.1],[550,562],[679.7,588.9]],"negative_points":[[500,305],[500,685],[245,490],[755,490]],"evidence":"图中居中的绿色“Grow Green”和深蓝色“Burn Clean”构成目标标题。边界框紧贴两行文字的整体外缘；六个正点分布在两行字母的实际笔画上，四个负点位于标题上、下、左、右的外部背景。"}}]}
+{"video_id":245,"video_type":"data and scientific visualization","targets":[{"name":"Animated Seoul metro map","description":"An expanding transit diagram initially centered on the interchange labeled \"Seoul Station\". Colored routes, circular station markers, route numbers, and station codes appear as the view rotates and moves into a closer view of the network.","membership":"Include the colored route strokes, complete station and interchange symbols with their enclosed contents, map labels, and pale-blue river shape. Follow the actual strokes and shapes rather than filling the spaces between routes. Exclude the surrounding white background and the later asset demonstration layout.","id":"obj_001","temporal":{"status":"found","start_s":12.75,"end_s":13.25,"reference_s":12.75,"evidence":"目标是含彩色线路、圆形站点及换乘符号、编号标签和浅蓝色河流的首尔地铁图。12.50秒右下方新增站点符号的内容仍在显现；12.75秒整体初始绘制及符号揭示完成，为首个合格帧。13.00秒仍是同一地图，13.25秒已切换为应排除的资产演示布局。选12.75秒作关键帧，线路和站点结构清楚；地图的局部取景属于设计性裁切。","start_frame":306,"end_frame":318,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[0,0,1000,1000],"positive_points":[[100,342],[195,471],[320,476],[508,447],[688,363],[937,571]],"negative_points":[[180,90],[570,90],[30,900],[989,680]],"evidence":"图中是放大的地铁网络图，可见多色线路、圆形换乘标记及线路数字和站点代码。线路在四周均延伸至画面边缘，因此边界框覆盖整幅图像，但不将线路间空白视为目标。六个正点分布���不同颜色的完整站点符号上，四个负点位于远离线路和标记的白色背景。"}},{"name":"Asset-control headline","description":"The two-line headline above the asset demonstration reads \"ALL ASSETS FULLY CONTROLLED\" and \"WITH CSV AND ESSENTIAL PROPERTIES\".","membership":"Include both lines of headline text as one block. Exclude the table below and the white background.","id":"obj_002","temporal":{"status":"found","start_s":13.25,"end_s":15.0,"reference_s":14.0,"evidence":"目标是表格上方的两行标题“ALL ASSETS FULLY CONTROLLED”和“WITH CSV AND ESSENTIAL PROPERTIES”，作为一个文字块。13.25秒首次完整显示，持续至最后采样帧14.75秒；此前13.00秒仍为地铁线路图，没有标题。区间延伸至视频结尾15.00秒，之后无采样帧。选择14.00秒为关键帧，因为两行文字清晰完整、无遮挡，且与下方表格分离。","start_frame":318,"end_frame":360,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[274.5,159.3,723.5,246.3],"positive_points":[[330.7,174.1],[455.2,173.1],[668.8,174.1],[297.4,226.9],[451.0,226.9],[718.8,241.7]],"negative_points":[[500,120],[240,210],[500,275],[500,301]],"evidence":"目标是表格上方的两行英文资产控制标题，内容与描述一致。边界框紧密覆盖两行完整文字；六个正点分布在两行左、中、右部的字形笔画上，负点位于标题外围白色背景及下方表格边框，排除表格和背景。"}},{"name":"Metro-line configuration table","description":"A bordered, two-row table beneath the headline has columns \"ROW\", \"METRO LINE NAME\", \"ABBREVIATION\", and \"HEX\". Its data changes from LINE 1 through LINE 6, displaying each line's abbreviation and hexadecimal color.","membership":"Include the complete table boundary, internal grid, cell surfaces, column headings, and changing cell values. Exclude the headline and the station examples below.","id":"obj_003","temporal":{"status":"found","start_s":13.25,"end_s":15.0,"reference_s":14.0,"evidence":"目标是标题下方的两行四列表格，含 ROW、METRO LINE NAME、ABBREVIATION、HEX 列，边框、内部网格及单元格内容完整。首个合格帧为13.25秒；此前13.00秒仍是地铁线路图，没有该表格。表格持续存在至最后采样帧14.75秒，数据由 LINE 1 更新至 LINE 6，不改变表格身份。区间延续到视频终点15.00秒，之后无采样帧。选择14.00秒作为关键帧，因表格边界和文字清晰完整，且无遮挡。","start_frame":318,"end_frame":360,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[263.5,299.1,738.5,402.8],"positive_points":[[289,325],[422,328],[580,327],[408,378],[584,378],[691,378]],"negative_points":[[493,228],[407,542],[559,566],[242,350]],"evidence":"目标是标题下方的两行四列表格，表头为 ROW、METRO LINE NAME、ABBREVIATION、HEX，当前数据为 LINE 3、3 和 #EC7001。边界框紧贴完整外框，包含内部网格、单元格表面及全部文字。六个正点分布于两行各列内容；负点位于上方标题、下方车站示例及表格左侧背景。"}},{"name":"Numbered-station heading","description":"The heading \"NUMBERED STATION\" appears below the table on the left, above the split-color circular station example.","membership":"Include the heading text, including its progressive reveal. Exclude the circular station graphic below it.","id":"obj_004","temporal":{"status":"found","start_s":13.5,"end_s":15.0,"reference_s":14.0,"evidence":"目标是表格左下方、分色圆形站点示例上方的“NUMBERED STATION”标题，不含圆形图案。13.25秒仅显示“NUMBERED”，文字尚未揭示完整；13.5秒首次完整显示，持续至最后采样帧14.75秒。区间到达视频结尾，无后续帧。选择14.0秒作为关键帧，标题清晰完整且无遮挡。","start_frame":324,"end_frame":360,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[332.3,460.2,488.0,483.3],"positive_points":[[334.4,471.3],[356.8,469.4],[382.3,464.8],[417.2,471.3],[454.2,463.9],[485.4,471.3]],"negative_points":[[319.3,470.4],[409.4,439.8],[406.8,540.7],[535.4,472.2]],"evidence":"目标是表格下方左侧、分色圆形站点示例上方的“NUMBERED STATION”标题。边界框紧贴完整标题文字，六个正点分布在不同字母笔画上；负点位于标题外背景、下方圆形站点图及右侧换乘站标题上。"}},{"name":"Transfer-station heading","description":"The heading \"TRANSFER STATION\" appears below the table on the right, above two adjoining circular route markers.","membership":"Include the heading text, including its progressive reveal. Exclude the adjoining circles below it.","id":"obj_005","temporal":{"status":"found","start_s":13.5,"end_s":15.0,"reference_s":14.0,"evidence":"目标是表格右下方、两个相邻圆形线路标记上方的“TRANSFER STATION”标题，不包含圆圈。13.25秒仅显示“TRANSFER”，文字尚未揭示完整；13.5秒首次完整显示，随后持续至最后采样帧14.75秒。区间延伸���视频结束15.0秒，无后续帧可检查。选择14.0秒作为关键帧，标题完整清晰且无遮挡。","start_frame":324,"end_frame":360,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[506.8,460.2,655.7,483.3],"positive_points":[[511.5,471.3],[538.0,473.1],[566.7,472.2],[593.2,463.0],[624.5,473.1],[653.6,473.1]],"negative_points":[[559.4,567.6],[606.3,567.6],[411.5,472.2],[578.1,428.7]],"evidence":"目标是表格右下方、两个相邻圆形线路标记上方的“TRANSFER STATION”标题。边界框紧贴整行文字，六个正点分布于标题不同字母的笔画上；负点位于下方两个圆形标记、左侧另一标题及标题上方空白处。"}},{"name":"Numbered-station example","description":"The left example is a circle with a colored upper half and white lower half. Its color and upper route number change with the table, while the lower portion displays \"100\" once revealed.","membership":"Include the complete circular outline, both enclosed halves, and all numbers inside the circle. Exclude the heading above and other examples.","id":"obj_006","temporal":{"status":"found","start_s":14.0,"end_s":15.0,"reference_s":14.25,"evidence":"目标是左侧编号站点示例，包含完整圆形轮廓、彩色上半部、白色下半部及内部数字。14.0秒首次完整显示上方线路号和下方“100”；前一帧13.75秒的“100”仍被截断，尚未揭示完成。此后仅颜色和线路号变化，持续至最后一帧14.75秒；视频在15.0秒结束，无后续帧。选择14.25秒作为关键帧，圆形及“4”“100”清晰完整，且无遮挡。","start_frame":336,"end_frame":360,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[375.5,512,438.1,623.2],"positive_points":[[388,542.6],[406.8,535.2],[426,546.3],[386,575],[405.7,593.5],[424.5,588.9]],"negative_points":[[406.3,472.2],[559.4,568.5],[354.2,570.4],[407.3,657.4]],"evidence":"目标是左侧“NUMBERED STATION”标题下的圆形示例，上半部为青色并显示4，下半部为白色并显示100。边界框紧贴完整圆形轮廓，涵盖两半及内部数字；正点分布于圆内上下两半，负点位于上方标题、右侧换乘示例及圆外背景。"}},{"name":"Transfer-station example","description":"The right example consists of two touching, black-outlined circular route markers. The left marker changes color and number with the selected metro line; the right marker is orange and displays \"3\" once revealed.","membership":"Include both complete circular markers, their outer outlines, white rims, colored interiors, and enclosed numbers as one compact transfer symbol. Exclude the heading above and surrounding background.","id":"obj_007","temporal":{"status":"found","start_s":13.5,"end_s":15.0,"reference_s":14.5,"evidence":"目标是示例页右侧两个相接的黑色外圈、白色边缘和彩色内芯的圆形换乘标记，不含标题。13.25秒时数字尚未揭示；13.5秒两个圆及数字“2”“3”均已完整呈现，之后左侧颜色和数字变化但符号持续存在。最后合格帧为14.75秒，视频于15.0秒结束，无后续帧。选择14.5秒作为关键帧，两个标记及数字“5”“3”清晰完整、无遮挡。","start_frame":324,"end_frame":360,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[533.9,523.1,632.8,615.7],"positive_points":[[547.4,558.3],[562.5,588],[563,538.9],[607.8,541.7],[619.8,577.8],[596,589.8]],"negative_points":[[572.9,472.2],[516.7,566.7],[648.4,568.5],[583.3,642.6]],"evidence":"目标是“TRANSFER STATION”标题下方相接的紫色“5”和橙色“3”圆形标记。边界框紧贴两个完整圆标，包含黑色外轮廓、白边、彩色内部及数字。六个正点分布在两个圆标内部；四个负点位于上方标题及符号左、右、下方的外部背景。"}},{"name":"Line-legend heading","description":"The text \"LINE LEGEND\" is centered beneath the station examples and above the horizontal line sample.","membership":"Include only this heading's text, including its progressive reveal. Exclude the route sample and line-name text below.","id":"obj_008","temporal":{"status":"found","start_s":13.75,"end_s":15.0,"reference_s":14.25,"evidence":"目标是站点示例下方、横向线路样例上方的“LINE LEGEND”标题。13.75秒首次完整清晰呈现，持续至最后采样帧14.75秒；此前13.5秒标题仍处于渐显、错位揭示阶段。区间延续至视频结束，无后续帧。选择14.25秒作为关键帧，标题清晰完整且无遮挡。","start_frame":330,"end_frame":360,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[450.5,662,550,685],"positive_points":[[452.6,679.6],[481.8,665.7],[492.7,680.6],[503.6,665.7],[531.3,670.4],[543.2,665.7]],"negative_points":[[472,754],[385,756],[574,676],[555,472]],"evidence":"目标是车站示例下方、横线路线样例上方的“LINE LEGEND”标题。边界框紧贴整段标题文字，六个正点分布于两词的字形笔画；负点位于下方路线名称、青色线段、右侧背景及上方换乘站标题，均不属于目标。"}},{"name":"Line-legend route sample","description":"The lower example combines a colored circular route-number badge with a horizontal bar extending to its right. The number and color update from line 1 through line 6.","membership":"Include the complete circular badge, its enclosed number and border, and the attached horizontal colored bar. Exclude the adjacent line-name text and the heading above.","id":"obj_009","temporal":{"status":"found","start_s":13.75,"end_s":15.0,"reference_s":14.5,"evidence":"目标是下方由圆形线路数字徽章及右接同色横条组成的示例，不含线路名称和标题。13.75秒首次完整呈现，随后数字和颜色持续更新，最后合格帧为14.75秒。前一帧13.50秒的横条仍在伸展揭示；区间到达视频结尾，没有后续帧。选择14.50秒作为关键帧，因为紫色“5”徽章及横条完整清晰、无遮挡。","start_frame":330,"end_frame":360,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[296.4,720.4,430.7,794.4],"positive_points":[[313,735],[305,764],[326,776],[351,757],[386,758],[422,758]],"negative_points":[[474,758],[480,675],[406,543],[379,822]],"evidence":"目标是图像下方的紫色线路图例样例。框覆盖完整的圆形“5”徽章、边缘及向右延伸的紫色横条，不包含右侧“Line 5”文字和上方标题。正点分布于徽章和横条；负点位于右侧线路名称、上方标题、另一站点标记及下方背景。"}},{"name":"Line-legend name","description":"The text to the right of the lower route sample identifies the selected line, visibly updating through labels such as \"Line 3\", \"Line 4\", \"Line 5\", and \"Line 6\".","membership":"Include the line-name text as one changing label. Exclude the colored bar and circular number badge to its left, the heading above, and the background.","id":"obj_010","temporal":{"status":"found","start_s":14.0,"end_s":15.0,"reference_s":14.25,"evidence":"目标是下方线路示例右侧的线路名称文字，不含色条、数字圆牌及上方标题。13.75秒的“Line 3”仍在初始显现，数字较淡；14.0秒文字已完整建立，随后连续更新为“Line 4”“Line 5”“Line 6”。最后合格帧为14.75秒，区间延续至视频结束15.0秒，无后续采样帧。选择14.25秒作为关键帧，此时“Line 4”清晰完整且无遮挡。","start_frame":336,"end_frame":360,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[454.7,733.3,517.7,774.1],"positive_points":[[457.3,751.9],[463.5,769.4],[469.8,758.3],[482.3,755.6],[492.7,764.8],[512.0,755.6]],"negative_points":[[391.7,756.5],[317.7,756.5],[496.4,675.0],[549.5,759.3]],"evidence":"目标是下方线路示例右侧的“Line 4”标签。边界框紧贴完整文字，正点分布在各字母和数字的笔画上；负点位于左侧蓝色横条、圆形编号徽章、上方标题及右侧背景，排除这些非目标内容。"}}]}
+{"video_id":246,"video_type":"icons and abstract motion graphics","targets":[{"name":"Concentric-circle panel","description":"The upper-left yellow tile, featuring green and white concentric rings around a dark green center, an open curved line, and three small outlined circles.","membership":"Includes the tile surface, boundary, and all its circular and curved markings. Follows the tile as it moves out of view; excludes neighboring tiles.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":5.25,"reference_s":0,"evidence":"目标是左上角黄色面板，含绿白同心圆、深绿色圆心、开放曲线及三个空心小圆。首个合格帧为0秒，最后合格帧为5.00秒，面板及标记均完整；5.25秒面板向上移出，顶部已被画面边界裁切，故不纳入。视频起点之前没有采样帧。选择0秒为关键帧，目标清晰、无遮挡，且与邻近面板容易区分。","start_frame":0,"end_frame":126,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[125,0,312.5,333.33],"positive_points":[[221.09,173.61],[164.06,111.11],[139.06,208.33],[218.75,305.56],[286.72,294.44],[289.84,51.39]],"negative_points":[[85.94,166.67],[351.56,138.89],[222.66,391.67],[406.25,500]],"evidence":"目标为左上角黄色圆角瓷砖，包含深绿圆心、绿白同心环、开放曲线及小圆环。边界框紧贴整块瓷砖的可见范围；正点分布于圆心、环线及黄色表面，负点位于左侧黑色背景和右侧、下方的相邻瓷砖。"}},{"name":"Left tall reed","description":"The initially taller, left-hand dark green cattail-like graphic, with three outlined hexagons and a slender stem extending down across the water tile.","membership":"Includes the rounded seed head, its internal hexagons, the short projecting tip, and the full thin stem. Excludes the other reed and the panels behind it.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":0.5,"evidence":"目标为左侧较高的深绿色芦苇，包含三个空心六边形的圆长穗头、顶部短尖及向下延伸至水纹面板底部的细茎，不含右侧芦苇。首个合格帧为0秒，已完整呈现；最后合格帧为4.75秒。5秒时左侧芦苇已开始消失，仅剩水纹区域中的小段残影，不再完整。区间起点即视频开头，无更早采样帧。选择0.5秒作为关键帧，此时目标近乎直立、轮廓清楚，与右侧芦苇分离，完整细茎可见。","start_frame":0,"end_frame":120,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[375.8,47.2,414.1,666.7],"positive_points":[[394.5,58.3],[399.2,100],[384.4,208.3],[401.6,297.2],[393.8,413.9],[393.8,625]],"negative_points":[[443.8,291.7],[355.5,208.3],[367.2,506.9],[418,601.4]],"evidence":"目标是两株芦苇中左侧较高的一株，深绿色圆头内有三个六边形轮廓。边界框覆盖顶部短尖、完整穗头及向下延伸至水面图块底部的细茎。正点分布在尖端、六边形、穗头和细茎上；负点位于右侧另一株芦苇及周围背景图块。"}},{"name":"Right tall reed","description":"The initially lower, right-hand dark green cattail-like graphic, also bearing three outlined hexagons and a long thin stem.","membership":"Includes this reed's rounded head, internal markings, projecting tip, and stem throughout its swaying movement. Excludes the left reed and background graphics.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":5.25,"reference_s":0.5,"evidence":"目标是两株芦苇中初始位置较低、靠右的一株，具有深绿色圆头、三个空心六边形、顶部尖梢和细长茎。首个合格帧为0.00秒，视频起点之前无采样帧；最后合格帧为5.00秒，此时右侧芦苇虽缩小但自身结构仍完整，5.25秒帧中已消失。选择0.50秒作为关键帧，两株分离清楚，目标的头部、标记和长茎均易于辨认。","start_frame":0,"end_frame":126,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[422,144,465,667],"positive_points":[[438,166],[443,210],[449,265],[445,398],[447,512],[448,642]],"negative_points":[[395,215],[394,571],[480,329],[409,493]],"evidence":"目标是两株芦苇中右侧、穗头较低且带三个六边形描边的一株。边框覆盖其顶部细尖、圆头穗部、内部标记及延伸至面板底部的细茎。正点分布在尖端、穗头与细茎上；负点位于左株芦苇及周围背景图形上。"}},{"name":"Sunburst panel","description":"The upper-row tile with a two-tone orange and cream sun, fine radial rays, and changing cyan and cream background divisions.","membership":"Includes the complete square panel, its background divisions, central disk, and rays. Tracks the panel through its exit motion and excludes adjacent tiles.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":5.5,"reference_s":0,"evidence":"目标是上排第三块方形面板，包含青色与奶油色分区背景、橙色与奶油色双色太阳及细放射线。首个合格帧为0秒，此时面板已完整建立；视频起点之前无采样帧。最后合格帧为5.25秒，面板仍完整可见；5.5秒时面板向上退出，顶部及部分射线已被画面边界裁切，因此不纳入。选择0秒作为关键帧，面板边界和太阳结构清晰，无遮挡，且易与相邻图块区分。","start_frame":0,"end_frame":132,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[500,0,687.5,333.33],"positive_points":[[521,34],[651,55],[581,160],[607,169],[532,292],[657,285]],"negative_points":[[455,91],[746,172],[554,415],[700,445]],"evidence":"目标是上排中央偏右、带橙色与奶油色太阳圆盘及细放射线的方形面板。边界框覆盖完整面板及青色、奶油色背景分区；六个正点分布在背景、太阳与射线区域，四个负点位于左右及下方的相邻面板。"}},{"name":"Wind-turbine panel","description":"The upper-right lime tile showing a white three-bladed wind turbine over a dark green and yellow circular field, with short colored horizontal accents.","membership":"Includes the tile surface and boundary, circular field, turbine mast and rotating blades, and horizontal accents. Excludes the sailboat panel below.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":0,"evidence":"目标是右上角的青柠色方形面板，内含深绿与黄色圆形背景、白色三叶风机及短横条装饰，不包括下方帆船面板。首个合格帧为0.00秒，末个为5.50秒，期间面板完整，叶片旋转不影响纳入。5.75秒时面板已移至画面底部并被裁切，故排除。视频起点之前无采样帧。选择0.00秒作为关键帧，面板边界和内部构件清晰且无遮挡。","start_frame":0,"end_frame":138,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[687.5,0,875,333.333],"positive_points":[[704.688,33.333],[853.125,302.778],[757.813,81.944],[738.281,200],[781.25,206.944],[820.313,72.222]],"negative_points":[[812.5,469.444],[590.625,138.889],[906.25,138.889],[656.25,430.556]],"evidence":"目标是右上角含白色三叶风机、深绿与黄色圆形及短横条的青柠色方块。边界框紧���整块面板，包含底色、风机和装饰。正点分布在面板底色、圆形色块、白色立柱及横条上；负点位于下方帆船面板、左侧太阳面板、右侧黑色背景及左下相邻面板，均不属于目标。"}},{"name":"Dot-grid and dial panel","description":"The middle-left green tile containing a grid of filled and outlined yellow dots above a dark rectangular display, with a large lime circular dial overlapping its left end.","membership":"Includes the entire green tile, dot grid, dark display, changing colored dashes, and circular dial with its enclosed rings. Excludes the tiles above, below, and beside it.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":5.25,"reference_s":0,"evidence":"目标是中左侧绿色方形面板：上方为黄色实心及空心点阵，下方为深色显示区，左端叠有带同心环的青柠色圆盘。首个合格帧为0.00秒，已完整呈现；视频起点之前无采样帧。最后合格帧为5.00秒；紧邻的5.25秒帧中面板开始被遮罩移除，圆盘和显示区下部已被裁切，因此不纳入。选择0.00秒作为关键帧，整个面板及各组成部分清晰、无遮挡。","start_frame":0,"end_frame":126,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[125,333.33,312.5,666.67],"positive_points":[[150,402],[220,364],[289,448],[168,578],[254,590],[296,509]],"negative_points":[[219,271],[219,750],[391,507],[586,486]],"evidence":"目标是左侧中排的绿色方块，上部有黄色实心及空心圆点，下部有深色显示框和左端叠放的青柠色圆形旋钮。边界框覆盖整个方块；正点分布在绿色底面、点阵、显示框和旋钮上，负点位于上方、下方及右侧的其他方块内。"}},{"name":"Water-path panel","description":"The pale middle-row tile beneath the reeds, with two cyan and purple horizontal bands, a broad cyan winding shape, and two white outlined circles.","membership":"Includes the rectangular panel surface, bands, winding cyan area, and outlined circles. The portions of the separately listed reeds superimposed on this panel also lie within its displayed region; their extensions beyond the panel do not.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":5.5,"reference_s":5.25,"evidence":"目标是中排第二列的浅色矩形面板，含青紫横带、青色蜿蜒水道和两个白色空心圆。首个合格帧为0秒，已完整呈现，视频起点前无采样帧；最后合格帧为5.25秒。紧邻的5.50秒帧中，横带、水道和圆圈已随退场消隐，仅余浅色底面。选择5.25秒为关键帧，因为面板仍完整且芦苇遮挡已消失，结构最清楚。","start_frame":0,"end_frame":132,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[312.5,333.33,500,666.67],"positive_points":[[350,360],[460,408],[380,481],[481,545],[377,567],[441,636]],"negative_points":[[280,500],[552,440],[420,220],[405,745]],"evidence":"目标是中排中央偏左的浅色矩形面板，具有两条青紫色横带、宽阔的青色曲折水道及两个白色圆环。边界框覆盖整个面板及其内部图案，不包含越出面板的部分。正点分布在横带、水道、圆环区域和浅色底面；负点位于左、右、上、下相邻面板内。"}},{"name":"Large radial fan","description":"The large dark and bright green fan-shaped graphic across the upper part of the middle-right area, with fine green and yellow lines radiating from its top junction.","membership":"Includes the complete filled fan silhouette and all internal radial divisions. Follows its changing outline, excluding the surrounding pale and cyan backgrounds and the nearby sailboat.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":5.25,"reference_s":0,"evidence":"目标是中右区域上方的深绿与亮绿大型扇形，包含从顶部交点向外辐射的绿、黄色细线，不含旁边帆船。首个合格帧为0.00秒，已完整呈现；视频起点之前无采样帧。最后合格帧为5.00秒，扇形轮廓及内部辐射线虽变形但仍完整；紧邻的5.25秒帧中已消失，因此区间结束于5.25秒。选择0.00秒作为关键帧，因扇形轮廓和内部划分清晰且无遮挡。","start_frame":0,"end_frame":126,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[594.5,331.9,779,540.3],"positive_points":[[612,375],[633,444],[663,486],[691,495],[737,428],[729,361]],"negative_points":[[561,432],[811,582],[822,455],[644,578]],"evidence":"目标是图像中部偏右上方、从顶部交点向下展开的深绿与亮绿大型扇形。边界框紧贴完整填充轮廓，包含内部绿色和黄色放射线。六个正点分布在扇形左右及下部各区域；负点位于外围浅色背景、青色水面和旁边的帆船上。"}},{"name":"Small notched radial disk","description":"The small lily-pad-like disk in the pale center-right tile, changing between green and yellow, with radiating lines and a wedge-shaped notch on its right side.","membership":"Includes the filled disk and radial markings up to the true notched outline. Excludes the missing wedge, nearby cyan dots, background tile, and larger fan above.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":5.5,"reference_s":1.25,"evidence":"目标是中央偏右浅色方格内的小圆盘，右侧有楔形缺口，内部有放射状线条，填色在绿色与黄色间切换。首个合格帧为0.00秒，已完整呈现；视频起点之前无采样帧。最后合格帧为5.25秒，圆盘仍完整；紧接的5.50秒帧中圆盘下部被橙色面板遮罩裁去，开始退出。选择1.25秒作为关键帧，绿色圆盘轮廓、缺口和径向线条清楚且无遮挡。","start_frame":0,"end_frame":132,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[518.8,500,593,633.3],"positive_points":[[554.7,512.5],[531.3,541.7],[531.3,591.7],[554.7,613.9],[574.2,600],[574.2,530.6]],"negative_points":[[527.3,383.3],[659.4,616.7],[666.4,451.4],[618.8,583.3]],"evidence":"目标是浅色中央偏右方格内的小绿色放射纹圆盘，右侧有楔形缺口。边界框紧贴圆盘可见外缘；六个正点分布于填充盘面及放射纹区域，避开缺口。负点位于附近青色圆点、上方大扇形和外部浅色背景。"}},{"name":"Sailboat and waves panel","description":"The cyan middle-right tile, displaying repeated white wave lines and a dark green sailboat with one triangular sail.","membership":"Includes the square panel surface, white waves, and complete sailboat. The separately listed radial fan overlaps part of this panel and remains within that overlapping portion of its displayed region.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":5.25,"evidence":"目标是中右侧青色方形面板，内有重复白色波浪线及深绿色单三角帆帆船。首个合格帧为0.00秒，面板已完整建立；视频起点前无采样帧。最后合格帧为5.50秒，面板、波浪及帆船仍完整可见；紧邻的5.75秒帧中该面板已消失。选择5.25秒作为关键帧，因为此时重叠的径向扇形已移开，目标结构清晰、遮挡最少。","start_frame":0,"end_frame":138,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[687.5,333.33,875,666.67],"positive_points":[[709,370],[856,408],[818,455],[812,529],[722,582],[844,638]],"negative_points":[[652,451],[775,294],[785,699],[900,506]],"evidence":"目标是图像中部右侧带白色波浪线和深绿色单帆船的青色方形面板。边界框紧贴面板四边，覆盖底色、全部波浪和完整帆船；正点分布于面板表面、波浪、船帆与船身，负点位于左、上、下方其他面板及右侧黑色背景。"}},{"name":"Abstract branching-pattern panel","description":"The bottom-left dark green tile with a fine yellow branching line, scattered pale speckles, and several irregular colored dots and bars.","membership":"Includes the complete tile surface and boundary, branching line, speckles, and colored shapes. Excludes the neighboring seedling tile.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":5.5,"reference_s":0,"evidence":"目标是左下角深绿色完整方块，内含细黄色分叉线、浅色散点及不规则彩色点和条，排除右侧幼苗方块。首个合格帧为0秒，此前无采样帧；最后合格帧为5.25秒，此时方块虽向上移动但表面和边界仍完整。紧接的5.5秒帧中该方块已消失。选择0秒作为关键帧，目标完整清晰且无遮挡。","start_frame":0,"end_frame":132,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[125,666.67,312.5,1000],"positive_points":[[141.4,708.3],[203.1,738.9],[154.7,795.8],[273.4,843.1],[184.4,915.3],[266.4,958.3]],"negative_points":[[345.3,754.2],[357,934.7],[218.8,605.6],[96.9,845.8]],"evidence":"目标是左下角带黄色分枝细线、浅色斑点及不规则彩色点条的深绿色方块。边界框覆盖完整图块，底边到达图像底部；正点分布于图块表面及彩色图形，负点位于右侧幼苗图块、上方图块和左侧黑色背景。"}},{"name":"Seedling panel","description":"The lower middle-left tile showing two green two-leaf sprouts among rows of dark green semicircular soil shapes, with lime and cream horizontal fields.","membership":"Includes the full panel, background fields, repeated semicircles, and both sprouts with their stems and leaves. Tracks the panel as it slides away.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":5.5,"reference_s":2.0,"evidence":"目标是下方中左侧的幼苗面板，包含青柠色与奶油色背景、成排深绿色半圆土壤及两株双叶幼苗。首个合格帧为0.00秒，已完整呈现；此前无采样帧。最后合格帧为5.25秒，面板仍完整可见；紧邻的5.50秒帧中面板已向下滑出，受到画面底边裁切，故不纳入。选择2.00秒作为关键帧，面板结构清晰、两株幼苗及背景均无遮挡。","start_frame":0,"end_frame":132,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[312.5,666.67,500,1000],"positive_points":[[335.2,736.1],[382.8,750],[433.6,705.6],[333.6,812.5],[458.6,902.8],[380.5,940.3]],"negative_points":[[273.4,777.8],[546.9,763.9],[406.3,611.1],[703.1,861.1]],"evidence":"目标是底排中间偏左、含两株双叶幼苗和多排深绿半圆的方形面板。边界框覆盖完整可见面板，包括黄绿与奶油色背景、半圆、叶片及茎，底边到图像边缘。正点分布在两株幼苗、背景和半圆上；负点位于左侧、右侧及上方的其他面板中。"}},{"name":"White flower panel","description":"The orange lower middle-right tile with a white rounded-petal flower, an orange and green center, dark green spoke tips, and contrasting corner dots.","membership":"Includes the orange tile surface and boundary, complete flower, and corner dots. The separately listed two-tone leaf overlaps its right side and belongs to the panel's displayed region only where it overlaps.","id":"obj_013","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":5.5,"evidence":"目标是下方中右侧的橙色方形面板，内含白色圆瓣花、橙绿花心、深绿辐条端点及角落圆点。首个合格帧为0.00秒，视频起点前无采样帧；最后合格帧为5.50秒，面板虽已移动但结构完整。紧邻的5.75秒帧中面板退出画面，仅底边附近残留橙色细条，已被裁切。选择5.50秒作为关键帧，因为两色叶片已移开，花朵和面板边界清晰、遮挡最少。","start_frame":0,"end_frame":138,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[500,640.3,687.5,973.6],"positive_points":[[520,676],[666,937],[571,716],[594,806],[648,841],[520,857]],"negative_points":[[461,754],[604,506],[757,787],[791,542]],"evidence":"目标是图像中下部偏右的橙色白花方形面板。边界框紧贴橙色瓷砖四边，覆盖完整花朵、花心、深绿辐条端点及角落圆点。正点分布在橙色底面、花瓣、花心和角点上；负点位于左侧白色区域、上方浅色面板及右侧其他面板，排除面板外的图案。"}},{"name":"Two-tone floating leaf","description":"The large horizontally pointed leaf crossing the flower and ripple tiles, with a lime upper half and bright green lower half.","membership":"Includes both colored halves inside the leaf's curved, pointed outline. Follows its movement and rotation independently of the underlying panels; excludes those panels and their graphics.","id":"obj_014","temporal":{"status":"found","start_s":0,"end_s":5.5,"reference_s":0,"evidence":"目标是横跨花朵与同心涟漪图块的大型尖叶，上半部为青柠色、下半部为亮绿色，不包含底层图块。首个合格帧为0.00秒，叶片已完整呈现；视频起点之前无采样帧。最后合格帧为5.25秒，叶片虽移动并旋转，轮廓和两色部分仍完整；紧邻的5.50秒帧中叶片已消失，因此区间结束于5.50秒。选择0.00秒作关键帧，叶片轮廓清楚且无遮挡，便于独立标注。","start_frame":0,"end_frame":132,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[627,768,779,904],"positive_points":[[662,819],[705,790],[744,817],[661,850],[704,885],[745,856]],"negative_points":[[593,835],[812,835],[720,720],[722,949]],"evidence":"目标是横跨底部花朵与涟漪图块的尖端叶片，上半部为青柠色，下半部为亮绿色。边界框紧贴完整叶片轮廓；六个正点分布于两个色块内，四个负点位于叶片外的花朵、涟漪及底板区域。"}},{"name":"Concentric-ripple panel","description":"The lower-right dark green tile with nested green rings and a white ring whose position changes among them.","membership":"Includes the square panel surface and boundary and all concentric rings with their enclosed areas. Includes the portion covered by the separately listed floating leaf while it overlaps the panel.","id":"obj_015","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":5.5,"evidence":"目标是右下角深绿色方形面板，内含多层绿色同心圆及位置变化的白色圆环；浮叶遮挡不影响其连续存在。首个合格帧为0秒，已完整建立，之前无采样帧。最后合格帧为5.5秒，面板及圆环仍完整；紧接的5.75秒帧中面板向下退出并被画面底边裁切，因此结束于5.75秒。选择5.5秒作为关键帧，此时浮叶已移开，面板边界和圆环清晰无遮挡。","start_frame":0,"end_frame":138,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[687.5,666.7,875,1000],"positive_points":[[703,694],[853,709],[723,873],[780,833],[830,913],[780,978]],"negative_points":[[781,588],[640,814],[906,829],[590,440]],"evidence":"目标是右下角深绿色方形面板，内有多层绿色同心圆及白色圆环。边框紧贴该面板的可见四边，底边到图像底部；正点分布于面板表面、圆环及其包围区域，负点位于上方波浪帆船面板、左侧橙色花朵面板、右侧黑色背景和更远的浅色区域。"}},{"name":"Orange bouncing ball","description":"The isolated orange disk appearing on the white field after the tiled composition disappears, moving vertically and stretching or flattening during its bounce.","membership":"Includes the entire orange filled shape within its changing circular or squashed outline. Excludes the white field and the black line beneath it.","id":"obj_016","temporal":{"status":"found","start_s":6.5,"end_s":9.0,"reference_s":6.75,"evidence":"目标是拼贴消失后白色背景上的独立橙色实心球，不含下方黑线。6.50秒首次完整出现，前一帧6.25秒只有浅色残留矩形。此后球上下运动并拉伸、压扁；最后一帧8.75秒呈水平扁长橙色形状，仍是连续变形，未见淡出、拆解或出框，因此保留至视频结束9.00秒，之后无采样帧。选择6.75秒，球的圆形轮廓清楚且无遮挡。","start_frame":156,"end_frame":216,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[473.4,302.8,526.6,397.2],"positive_points":[[491.4,322.2],[507.8,323.6],[484.4,347.2],[514.8,347.2],[492.2,377.8],[506.3,375]],"negative_points":[[445,350],[555,350],[500,265],[500,435]],"evidence":"目标是白色区域中孤立的橙色实心圆盘。边界框紧贴整个橙色外轮廓；六个正点分布在圆盘内部的上、中、下部，四个负点位于圆盘四周、远离边缘的白色背景上。"}},{"name":"Black bounce baseline","description":"The short rounded black horizontal line introduced below the isolated orange ball, changing width as the ball bounces.","membership":"Includes only the black line's filled stroke and rounded ends throughout its width changes. Excludes the orange ball and background.","id":"obj_017","temporal":{"status":"found","start_s":7.0,"end_s":8.75,"reference_s":7.25,"evidence":"目标是孤立橙色球下方、带圆角端点的黑色短横线，随球弹跳改变宽度。首个合格帧为7.00秒，末个为8.50秒，线条均已完整呈现。前一帧6.75秒只有橙色球，尚无黑线；后一帧8.75秒黑线已消失。选择7.25秒作为关键帧，此时黑线轮廓清晰，与球分离且无遮挡。","start_frame":168,"end_frame":210,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[478.9,666.7,521.1,677.8],"positive_points":[[482,672.2],[488.3,670.8],[495.3,673.6],[502.3,672.2],[510.2,673.6],[517.2,672.2]],"negative_points":[[500,380.6],[460.9,672.2],[539.1,672.2],[500,715.3]],"evidence":"目标是橙色球下方的短黑色圆端水平线。边界框紧贴线条的完整笔画及两端；六个正点分布在线条左右及中段，四个负点位于橙色球和线条外侧的白色背景上。"}}]}
+{"video_id":247,"video_type":"icons and abstract motion graphics","targets":[{"name":"Animated red snake","description":"A stylized red snake with a thin white outline, a broadened rounded head, two white circular eyes, and a tapering tail. It first appears curled into an open loop and continuously bends and slithers across the dark background.","membership":"Include the entire snake silhouette from head to tail, its white outline, and both white eyes. Follow its changing contours and concavities, including only visible portions when clipped by the frame. Exclude the background between its bends; the open loops do not enclose a filled subject region.","id":"obj_001","temporal":{"status":"found","start_s":1.75,"end_s":9.5,"reference_s":2.0,"evidence":"目标为带细白轮廓、圆钝宽头、两只白色圆眼及渐细尾巴的红蛇。1.75秒首次完成淡入且全身完整；前一帧1.50秒仍处于淡入、颜色偏暗。最后合格帧为9.25秒，9.50秒蛇身上端开始被画面顶部裁切，因此结束于9.50秒。选择2.00秒作为关键帧，头尾和开放环形轮廓清晰、完整且无遮挡。","start_frame":42,"end_frame":228,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[186,139,643.6,724],"positive_points":[[527,194],[348,215],[206,466],[366,695],[629,476],[478,366]],"negative_points":[[391,78],[137,469],[708,477],[415,816]],"evidence":"目标是深色背景上带白色细轮廓、宽圆头和两只白眼的红蛇。边界框紧贴完整蛇身，涵盖头部、弯曲躯干及渐细尾端。六个正点分布在头部和各段红色蛇身上；四个负点位于蛇整体外侧的上下左右背景，未标记弯曲内部空隙。"}}]}
+{"video_id":248,"video_type":"icons and abstract motion graphics","targets":[{"name":"Animated node-and-path diagram","description":"A diagram of twenty scattered circular nodes on a dark canvas. The nodes begin pink-red, are progressively joined by thin pink segments into a crossing route, and finally turn white as the connections disappear.","membership":"Includes all circular nodes, their filled interiors or outlined-ring interiors, and the connecting line segments as they appear. Excludes the surrounding dark canvas and the separately identified black traversal marker.","id":"obj_001","temporal":{"status":"found","start_s":10.75,"end_s":13.0,"reference_s":11.0,"evidence":"目标是二十个粉红圆形节点及其交叉连接路径，不包括黑色遍历标记。10.50秒末段连线仍在绘制，10.75秒路径闭合、完整结构��次建立；12.75秒是最后完整保留的采样帧，13.00秒开始淡化，随后连线消失、节点变白。选择11.00秒作为关键帧，节点和完整路径清楚可辨。","start_frame":258,"end_frame":312,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[73.7,114.6,972.7,848.1],"positive_points":[[80.6,733.5],[507.3,177.1],[965.3,115.7],[842.0,813.4],[637.2,834.6],[457.0,556.4]],"negative_points":[[50,200],[400,930],[990,600],[600,60]],"evidence":"目标是深色画布上由粉红圆形节点和细线组成的交叉路径图。边界框紧贴最左、最上、最右及最下的可见节点，涵盖全部节点和连接线。正点分布在各处实心节点及右上圆环边缘；负点均位于图形外围的深色画布，未选取内部空隙或黑色遍历标记。"}},{"name":"Black traversal marker","description":"A small black circular marker initially inside the upper-right node. It travels between the stationary nodes while the pink route is drawn, eventually returning to its starting node.","membership":"Includes only the moving black disk. Excludes the pink nodes, their outlines, and the connecting route segments.","id":"obj_002","temporal":{"status":"found","start_s":0.0,"end_s":13.0,"reference_s":1.0,"evidence":"目标是起初位于右上角粉色节点内部、随后沿绘制中的路线移动并返回起点的小黑色圆盘，不包括粉色轮廓和连线。首个合格帧为0.00秒，已完整可见；视频起点之前没有采样帧。最后合格帧为12.75秒，圆盘仍为黑色；紧邻的13.00秒帧中圆盘开始变浅淡出，故排除。选择1.00秒作关键帧，此时黑盘远离节点，圆形清晰，易与粉色节点和路线区分。","start_frame":0,"end_frame":312,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[895.02,473.96,906.74,494.79],"positive_points":[[900,480],[903,482],[903,487],[900,489],[897.5,485],[900.5,484.5]],"negative_points":[[862.3,434.9],[912.1,424.5],[882,485],[887.7,639.8]],"evidence":"目标是图像右侧粉色斜线路径下端的黑色小圆盘。边界框紧贴黑色圆盘，不包含粉色节点或连线；六个正点分布在圆盘内部，四个负点位于附近粉色节点、连接线及左侧外部背景。"}}]}
+{"video_id":249,"video_type":"icons and abstract motion graphics","targets":[{"name":"Plant parameter control panel","description":"White rectangular panel on the left containing sliders labeled “Presets” and “Iterations,” followed by “Leaves” and “Branches” sections with color swatches and controls for dimensions and branching properties.","membership":"Includes the white panel surface, its boundary, all headings and labels, color swatches, slider tracks, and slider handles. Excludes the surrounding gray background and the separate floating color picker.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标是左侧白色矩形参数面板，包含 Presets、Iterations、Leaves、Branches 标签、色块及滑块，不包含独立浮动取色器。首个合格帧为0.00秒，最后为24.75秒；整个期间面板边界和布局始终完整，内部参数变化不影响其连续存在。区间覆盖视频首尾，两侧均无额外采样帧。选择0.00秒作为关键帧，面板完整清晰且无遮挡。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[151.56,324.07,331.77,682.41],"positive_points":[[169.79,353.7],[297.4,364.81],[203.65,413.89],[290.63,500],[177.6,602.78],[289.06,655.56]],"negative_points":[[135.42,481.48],[354.17,509.26],[234.38,288.89],[234.38,722.22]],"evidence":"目标是左侧含“Presets”“Iterations”“Leaves”和“Branches”的白色参数面板。边界框紧贴白色面板四边，涵盖面板表面、文字、色块及全部滑杆，不含外部阴影和灰色背景。六个正点分布于面板上中下部的表面与控件区域，四个负点位于面板四周的灰色背景。"}},{"name":"Procedurally generated plant","description":"Plant graphic to the right of the controls, initially a thin brown upright stem with sparse twigs. It develops branching foliage as parameters change, with green or purple pointed leaves and varying branch thickness and spread.","membership":"Includes all visible trunk and branch strokes and the filled leaf shapes throughout the plant’s changing form. Follows the actual plant elements, excluding gray gaps between them, the control panel, and the overlaid color-picker dialog.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":7.5,"evidence":"目标是控件右侧的植物图形，包括棕色主干、枝条及随参数变化的绿色或紫色尖叶。首个合格帧为0.00秒，稀疏茎枝已完整呈现；之后持续变形并改变叶色、枝条粗细，色彩选择器仅造成短暂遮挡。最后合格帧为24.75秒，植物仍清楚可见，未出现退出。区间覆盖视频首尾，两端均无额外相邻帧。选择7.50秒作为关键帧，因为植物枝叶完整、轮廓��晰且无遮挡。","start_frame":0,"end_frame":600,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[460.9,219.4,799.5,967.6],"positive_points":[[490.1,249.1],[604.7,327.8],[489.1,562.0],[721.9,472.2],[778.6,700.9],[592.7,912.0]],"negative_points":[[854.2,675.9],[432.8,454.6],[224.0,511.1],[661.5,925.9]],"evidence":"目标是控制面板右侧由棕色细干、分枝和浅绿色尖叶构成的植物。边界框紧贴最上端叶尖、两侧外伸叶片及底部主干末端，涵盖全部可见植物元素。正点分布在不同区域的叶片及下部主干上；负点位于植物外侧灰色背景和左侧控制面板，避开枝叶间的内部空隙。"}},{"name":"Floating leaf color picker","description":"Small blue-framed dialog that appears over the left side of the plant while its leaf color is edited. Contains a large color gradient square, a vertical rainbow hue strip, a hexadecimal color field, a preview swatch, and a close control.","membership":"Includes the dialog’s surface, outer frame, title bar, close control, gradient square, hue strip, selection markers, hexadecimal field, and preview swatch. Excludes the plant behind it and the surrounding gray background.","id":"obj_003","temporal":{"status":"found","start_s":9.5,"end_s":12.5,"reference_s":10.0,"evidence":"目标是覆盖植物左侧的蓝框浮动颜色选择器，包含渐变方块、竖向彩虹色条、十六进制字段、预览色块和关闭按钮。首个完整呈现帧为9.50秒，最后合格帧为12.25秒；此前9.25秒尚未出现，之后12.50秒对话框已开始淡出，仅留半透明残影。选择10.00秒作为关键帧，此时边框及各控件清晰完整，无明显遮挡。","start_frame":228,"end_frame":300,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[432.3,357.4,567.2,622.2],"positive_points":[[488.5,370.4],[456.3,418.5],[513,532.4],[553.6,450.9],[470.3,596.3],[534.9,596.3]],"negative_points":[[259.9,411.9],[606.8,419.4],[404.2,501.9],[407.3,657.4]],"evidence":"目标是覆盖植物左侧的蓝框浮动颜色选择器。边界框紧贴完整对话框，包含标题栏、关闭按钮、渐变区、色相条、十六进制输入框及预览色块。正点分布于标题栏和各主要控件表面；负点位于左侧设置面板、右侧植物及对话框外的灰色背景。"}}]}
+{"video_id":250,"video_type":"icons and abstract motion graphics","targets":[{"name":"Animated recursive curve diagram","description":"Central mathematical animation that begins as a red stroke forming a rounded, downward-open arch. It develops into a green meandering curve, overlaid with progressively finer blue, yellow, and pink curves forming a nested, approximately square pattern.","membership":"Includes all colored curve strokes composing the recursive construction, including their progressively revealed and deforming portions. The curves remain open: exclude the black spaces between their strokes and do not fill their apparent loops or the surrounding rectangular extent. Excludes the black scene background.","id":"obj_001","temporal":{"status":"found","start_s":6.0,"end_s":24.0,"reference_s":11.5,"evidence":"目标是中央由红色开口拱形连续变形成绿色曲线、随后叠加蓝黄粉色细曲线的递归图。6.00秒首个完整拱形已建立；前一帧5.75秒右端仍处于初始绘制末段。此后变形和新增曲线均属于同一图，最后合格帧为23.75秒，未见退出；视频在24.00秒结束，无后续帧。选择11.50秒作为关键帧，此时绿色曲线完整清晰，尚无多层交叠，便于空间标注。","start_frame":144,"end_frame":576,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[273.4,80.6,726.6,913.0],"positive_points":[[364.6,83.3],[289.1,382.4],[500.0,422.2],[710.9,383.3],[379.7,909.3],[622.4,909.3]],"negative_points":[[104.2,185.2],[895.8,185.2],[104.2,833.3],[895.8,833.3]],"evidence":"图中中央的绿色开放式蜿蜒曲线对应递归曲线动画的当前状态。边界框紧贴全部可见绿色笔画的最外缘；六个正点分布在顶部、两侧、中部凹弯及底部弯曲笔画上，四个负点位于图形左右远离曲线的黑色外部背景，不标记曲线内部空隙。"}}]}
+{"video_id":251,"video_type":"icons and abstract motion graphics","targets":[{"name":"JUST DRAG AND DROP title card","description":"Opening graphic with blue uppercase text reading “JUST DRAG AND DROP” on a skewed yellow panel, backed by an offset dark quadrilateral outline.","membership":"Includes the yellow panel, its border and lettering, and the offset outlined quadrilateral with its enclosed area. Excludes the surrounding background and overlaid watermark.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标为黄色倾斜面板、蓝色大写“JUST DRAG AND DROP”文字及后方错位深色四边形轮廓。首个合格帧为0.00秒，结构已完整；最后合格帧为0.25秒。0.50秒帧中标题卡已消失，仅见浅色背景及少量线条。区间到达视频开头，无更早帧。选择0.00秒作为关键帧，目标完整且尺寸较大，便于标注。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[275.5,156.5,724.5,939.8],"positive_points":[[390.6,305.6],[567.7,416.7],[416.7,777.8],[640.6,675.9],[303.6,388.9],[630.2,851.9]],"negative_points":[[208.3,500],[776,518.5],[500,92.6],[494.8,963]],"evidence":"目标由黄色倾斜面板、蓝色“JUST DRAG AND DROP”文字及后方错位深色四边形框识别。边界框覆盖面板和后方框线的全部可见范围。正点分布在黄色面板、标题字形及后方框内区域，避开水印；负点位于图形四周的外部背景。"}},{"name":"Date calendar and alarm clock graphic","description":"First upper-left illustration: a red-topped tear-off calendar reading “Monday” and “25,” accompanied by a green circular alarm clock with a blue bell.","membership":"Includes the calendar backing, binding rings, hanging date page and its text, plus the clock housing, enclosed dial, hands, and blue bell. Follows the component outlines and excludes intervening background, the horizontal baseline, and ringing marks.","id":"obj_002","temporal":{"status":"found","start_s":1.75,"end_s":7.5,"reference_s":2.0,"evidence":"目标为左上角标有“Monday”“25”的红顶日历及带蓝色铃盖的绿色闹钟。1.75秒两者结构完整，首次符合要求；此前1.50秒蓝色铃盖仍悬离钟体，组合尚在装配。最后合格帧为7.25秒，随后7.50秒日历随画面左移而被左边界裁切。选择2.00秒作为关键帧，此时日历和闹钟完整清晰、无遮挡。","start_frame":42,"end_frame":180,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[80.2,157.4,270.8,432.4],"positive_points":[[126.6,177.8],[166.1,205.6],[145.8,351.9],[231.3,237],[230.7,325],[260.9,335.2]],"negative_points":[[62.5,324.1],[184.4,421.3],[280.2,391.7],[536.5,338.9]],"evidence":"目标为左上角标有“Monday”和“25”的红顶日历及旁边的绿壳蓝铃闹钟。边界框紧贴日历装订环、背板、日期页和闹钟外轮廓；正点分布于装订环、红顶、日期文字、蓝铃、表盘和绿壳。负点位于外围背景、排除的水平基线及右侧邮箱上，不标记组件内部空隙。"}},{"name":"Incoming mailbox graphic","description":"Blue rounded mailbox appearing in the upper middle, with an open gray interior and a red side indicator tipped with a green circle. White envelopes animate into its opening.","membership":"Includes the mailbox shell, outlined opening and interior, lowered door, side indicator, and the white envelopes associated with its incoming-mail animation. Excludes empty space between components, the baseline, and decorative motion marks.","id":"obj_003","temporal":{"status":"found","start_s":2.0,"end_s":7.75,"reference_s":3.5,"evidence":"目标为蓝色圆顶邮箱，具有灰色开口、放下的门及绿色圆头的红色侧杆，白色信封随后动态进入。2.00秒首次完整呈现；前一帧1.75秒侧杆末端尚未揭示完成。最后合格帧为7.50秒，7.75秒邮箱移出画面左侧并被裁切。选择3.50秒作为关键帧，邮箱结构清楚，关联信封也清晰可辨。","start_frame":48,"end_frame":186,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[405.2,191.7,578.6,394.4],"positive_points":[[435.4,209.3],[422.9,285.2],[483.3,339.8],[528.1,331.5],[559.9,268.5],[430.7,388.0]],"negative_points":[[598.4,393.0],[514.1,145.4],[468.8,236.1],[231.3,324.1]],"evidence":"目标是上方中央的蓝色圆顶邮箱，带灰色开口、红杆绿圆头指示器及飞入的白色信封。边界框覆盖邮箱主体、内部、放下的门、指示器和两封外部信封，不含基线及装饰符号。正点分布在信封、箱体、红杆和门上；负点位于右侧基线、上方装饰符号、外部空白及左侧时钟。"}},{"name":"Document inspection graphic","description":"Upper-right stack of documents with a white front sheet, blue heading mark, black text lines, and a gold seal. A green magnifying glass moves over the sheet.","membership":"Includes the visible document sheets and their contents, together with the magnifying glass handle, rim, and enclosed lens area. Excludes the surrounding gaps, baseline, and motion accents.","id":"obj_004","temporal":{"status":"found","start_s":3.5,"end_s":8.0,"reference_s":5.0,"evidence":"目标为白色封面、蓝色标题标记、黑色文字线和金色印章的文件叠，以及绿色放大镜。3.50秒文件与放大镜均已完整呈现；前一帧3.25秒尚无放大镜。最后合格帧为7.75秒，整组图形虽移至左侧但仍完整；8.00秒已消失。选择5.00秒作为关键帧，文件叠和放大镜轮廓清晰，便于标注。","start_frame":84,"end_frame":192,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[753.6,194.4,901.6,391.7],"positive_points":[[775.5,334.3],[801.6,253.7],[821.9,258.3],[840.6,338.0],[870.3,362.0],[897.9,232.4]],"negative_points":[[764.6,225.9],[921.9,301.9],[791.7,422.2],[927.1,392.6]],"evidence":"目标是右上角带蓝色标题、黑色文字线和金色印章的叠放文档及绿色放大镜。边框紧贴可见纸张和放大镜外缘，不包含下方基线。正点分布在镜柄、镜框、镜片内部、前页、印章和后层纸张；负点位于外围背景及右侧延伸的基线上。"}},{"name":"Email notification graphic","description":"Lower-left blue envelope with rounded corners, overlapped at its upper-left corner by a yellow notification bell with a red band.","membership":"Includes the entire blue envelope and flap markings, plus the bell body, top loop and enclosed opening, rim, and clapper. Excludes ringing strokes, the baseline, and background outside the component outlines.","id":"obj_005","temporal":{"status":"found","start_s":4.0,"end_s":7.5,"reference_s":4.5,"evidence":"目标是左下方圆角蓝色信封及覆盖其左上角的黄色红带通知铃铛。4.00秒首次完整呈现信封、铃身、顶部圆环、铃沿和铃舌；此前3.75秒只有信封，铃铛尚未出现。最后符合条件的帧为7.25秒，7.50秒该组合向左移出画面并被边界裁切。选择4.50秒作为关键帧，组件轮廓清晰完整，易与周围图标区分。","start_frame":96,"end_frame":180,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[103.1,646.3,237.5,890.7],"positive_points":[[136.5,663],[135.4,713.9],[138.5,770.4],[209.9,751],[149,841.7],[221.9,862]],"negative_points":[[91,722],[253,815],[265,893],[230,324]],"evidence":"目标位于左下角，由蓝色圆角信封和叠在其左上方的黄色红带铃铛组成。框紧贴信封及铃铛顶环、铃身、边沿和铃舌的可见外缘，不含底部基线。正点分布在顶环开口、铃身、边沿及信封不同部位；负点位于外部背景、右侧延伸的基线和上方独立时钟上。"}},{"name":"Rocket launch graphic","description":"Lower-middle illustration of a white rocket with blue detailing and a red engine, launching above a blue curved planetary surface with a small crescent beside it.","membership":"Includes the rocket body, window, fins, engine, visible yellow exhaust, blue planetary segment, and crescent. Follows each component’s actual outline, excluding the gaps between them, baseline, stars, and brief motion effects.","id":"obj_006","temporal":{"status":"found","start_s":5.25,"end_s":7.75,"reference_s":6.5,"evidence":"目标是下方中部的白色蓝饰火箭、红色发动机、黄色尾焰、蓝色行星弧面及旁侧月牙。5.25秒各指定组成部分首次完整呈现；前一帧5.00秒尚无完整尾焰，月牙仍在显现。最后合格帧为7.50秒，整体随画面左移但仍完整；7.75秒已移至左侧画外并被边界裁切。选择6.50秒作为关键帧，各组成部分清楚且无遮挡。","start_frame":126,"end_frame":186,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[426.6,635.2,576.6,892.6],"positive_points":[[501.6,698.1],[480.7,758.3],[500.5,786.1],[501,812],[501.6,860.2],[542.7,675]],"negative_points":[[465.6,693.5],[597.4,893.5],[572.9,740.7],[833.3,805.6]],"evidence":"目标位于图像下方中央，是蓝色星球弧面上方的白色火箭。框紧贴火箭、尾焰、蓝色星球片段及右侧月牙的整体可见范围。正点分布于舷窗、侧翼、红色引擎、黄色尾焰、星球和月牙；负点位于排除的星形与基线、外部背景及右侧钱包上。"}},{"name":"Wallet with cash and coins","description":"Lower-right blue wallet with a gold snap, two green banknotes protruding from the top, and gold coins accumulating beside its left edge.","membership":"Includes the wallet body and fastening tab, visible banknote portions, and the associated falling and stacked coins. Excludes background between the components, the baseline, and decorative marks.","id":"obj_007","temporal":{"status":"found","start_s":6.25,"end_s":8.0,"reference_s":7.25,"evidence":"目标是蓝色金扣钱包、顶部露出的两张绿色纸币及左侧下落和堆叠的金币。首个合格帧为6.25秒，各组成部分已完整呈现，金币继续下落或转动不影响纳入；前一帧6.00秒纸币仅露出小角，尚未完成揭示。最后合格帧为7.75秒，钱包组合随画面左移但仍完整可见；8.00秒已消失。选择7.25秒作关键帧，钱包、纸币和金币轮廓清楚且无遮挡。","start_frame":150,"end_frame":192,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[758.3,643.5,916.7,892.6],"positive_points":[[827.6,804.6],[899,816.7],[831.8,686.1],[856.3,707.4],[771.4,830.6],[778.6,873.1]],"negative_points":[[734.4,796.3],[936.5,818.5],[838.5,601.9],[933.3,893.5]],"evidence":"目标位于右下角，由蓝色钱包、金色搭扣、两张露出的绿色纸币及左侧金币组成。边界框紧贴这些可见组件，不含底部基线。六个正点分别覆盖钱包主体、扣带、两张纸币、单枚金币和叠放金币；负点位于外围背景及右侧延伸的基线上。"}},{"name":"Piggy bank savings graphic","description":"Pink piggy bank introduced as the first grid slides away, then positioned at the upper left. Gold coins descend toward its top slot, and it stands on a green base.","membership":"Includes the pig-shaped bank with its snout, ears, feet, facial markings, slot, and curled tail; the green base; and the associated falling and stacked gold coins. Excludes the baseline, gaps between components, and incidental accents.","id":"obj_008","temporal":{"status":"found","start_s":7.75,"end_s":14.0,"reference_s":9.25,"evidence":"目标是粉红色存钱猪、绿色底座及其下落和堆叠的金币。7.50秒时图形仍在右上方入场并被画面边缘裁切；7.75秒首次完整可见，随后移至左上方，金币的运动不影响其连续出现。最后合格帧为13.75秒，故区间结束于视频末尾14.00秒，之后没有采样帧。选择9.25秒作为关键帧，猪身、尾巴、底座及金币均清楚可辨且无遮挡。","start_frame":186,"end_frame":336,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[92.7,133.3,244.8,374.1],"positive_points":[[179.7,152.8],[102.6,277.8],[181.8,270.4],[193.2,338.0],[195.0,364.8],[120.0,340.0]],"negative_points":[[75.0,275.0],[265.0,374.1],[520.0,340.0],[179.0,106.0]],"evidence":"目标为左上方粉红储蓄猪及其金币、绿色底座。框覆盖悬空金币、猪的口鼻耳足和卷尾、堆叠金币及底座，不包含水平基线。正点分布在金币、猪身、口鼻、脚和底座上；负点位于外部背景、右侧独立钞票图形及底座外的基线上。"}},{"name":"Cash bundle and payment cards","description":"Upper-middle financial illustration in the second layout: a green bundle of banknotes secured by a yellow band, with blue and gray payment cards behind it and a gold coin stack at the right.","membership":"Includes the banknote bundle and band, both payment cards with their visible markings, and the associated descending and stacked coins. Excludes background gaps, the horizontal baseline, and motion strokes.","id":"obj_009","temporal":{"status":"found","start_s":9.5,"end_s":14.0,"reference_s":11.0,"evidence":"目标是第二布局上方中央的绿钞束、黄色束带、蓝灰两张支付卡及右侧金币。9.5秒时各主体结构已完整，金币仍在下落，属于完整物体的运动；此前9.25秒蓝卡尚在露出过程中。最后合格帧为13.75秒，目标持续至视频结束14.0秒，无后续采样帧。选择11.0秒作为关键帧，此时卡片、钞束和已堆叠的金币清晰且易于区分。","start_frame":228,"end_frame":336,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[423.4,185.2,603.1,375.9],"positive_points":[[457.3,341.7],[493.8,340.7],[467.7,230.6],[515.1,262.0],[572.4,339.8],[596.0,212.0]],"negative_points":[[401.0,374.5],[526.0,155.6],[601.6,279.6],[168.8,268.5]],"evidence":"目标位于图像上方中央。框覆盖绿色钞票束和黄色绑带、后方蓝灰两张支付卡，以及右侧金币堆和上方下落的小金币。六个正点分布于这些组成部分；负点位于左侧基线、外部背景和独立的存钱罐上，排除基线及其他对象。"}},{"name":"Digital map device","description":"White-framed device appearing at the upper right of the second layout, changing from a narrow upright form into a landscape tablet. Its green map has yellow roads and two red location pins.","membership":"Includes the complete device casing, boundary, screen, map, and location markers. The screen contents remain part of the device throughout the shape and orientation changes. Excludes the baseline and external motion accents.","id":"obj_010","temporal":{"status":"found","start_s":9.5,"end_s":14.0,"reference_s":11.0,"evidence":"目标是第二组布局右上方的白框地图设备，绿色屏幕配黄色道路，随后出现两个红色定位标记。9.50秒时窄竖形设备的外壳、边界和屏幕已完整，之后变为横向平板，属于完整设备的形态变化；9.25秒尚未出现。最后合格帧为13.75秒，持续至视频结束14.00秒，之后没有采样帧。选择11.00秒作关键帧，横向设备及两个定位标记清晰完整、无遮挡。","start_frame":228,"end_frame":336,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[761.9,188.9,909.4,374.1],"positive_points":[[768,279],[896,362],[800,239],[861,303],[832,272],[883,228]],"negative_points":[[735,375],[932,293],[833,148],[527,265]],"evidence":"目标是右上方白色横向平板，屏内有绿色地图、黄色道路及两个红色定位标记。边界框紧贴完整机身，包含外框、屏幕和地图内容，不包含底部基线及外侧运动短线。正点分布于机框、地图及定位标记；负点位于左侧外露基线、机身外背景和中上方银行卡上。"}},{"name":"Add-event calendar graphic","description":"Lower-left calendar in the second layout, distinguished by a grid of yellow date squares rather than the earlier “25” page. It has a blue backing, a green-and-white pen, and a yellow circular plus symbol.","membership":"Includes the calendar page, red header, binding rings, date grid, blue backing, pen, and yellow disk with its plus mark. Follows their individual outlines and excludes surrounding gaps, the baseline, and decorative marks.","id":"obj_011","temporal":{"status":"found","start_s":12.25,"end_s":14.0,"reference_s":13.0,"evidence":"目标是第二布局左下方带黄色日期格的日历组合，包括红色页眉、装订环、蓝色背板、绿白笔和黄色加号圆盘。12.25秒首次全部呈现完整；前一帧12.00秒的日期格仍在逐步补齐。最后合格帧为13.75秒，组合持续完整可见，区间延至视频结束14.00秒，无后续采样帧。选择13.00秒作为关键帧，各成员轮廓清晰且无遮挡。","start_frame":294,"end_frame":336,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[92.7,687,244.8,876.9],"positive_points":[[147,703],[167,730],[166,812],[115,800],[161,869],[219,832]],"negative_points":[[259,763],[264,877],[167,656],[80,815]],"evidence":"目标位于左下角，以黄色日期方格、蓝色背板和黄色加号圆盘识别。边界框紧贴日历、红色页眉、装订环、背板、绿白笔及加号圆盘的整体外沿。六个正点分布于这些组成部分；负点位于外部背景、右侧装饰小记号及延伸的基线上，不包含内部空隙。"}},{"name":"Smartphone messaging graphic","description":"Pink upright smartphone in the lower middle of the second layout, with a green screen header and two overlapping blue speech bubbles containing dark text-like lines.","membership":"Includes the phone casing, camera and speaker details, home button, enclosed display and its contents, and both speech bubbles with their tails and markings. Excludes background outside these outlines, the baseline, and incidental accents.","id":"obj_012","temporal":{"status":"found","start_s":12.5,"end_s":14.0,"reference_s":13.0,"evidence":"目标是第二组布局下方中央的粉色竖直手机，带绿色屏幕标题栏及两个含深色短线的蓝色重叠对话气泡。12.50秒首次完整呈现手机和两个气泡；前一帧12.25秒气泡仍在显现，组合尚不完整。最后合格帧为13.75秒，目标持续完整可见，因此区间结束于视频末尾14.00秒，之后无采样帧。选择13.00秒作为关键帧，手机与气泡轮廓清楚，无额外遮挡。","start_frame":300,"end_frame":336,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[461.5,621.3,586,877.8],"positive_points":[[486,639],[499,678],[477,741],[500,860],[514,756],[557,768]],"negative_points":[[440,722],[573,657],[605,806],[552,912]],"evidence":"目标位于图像下方中央，是带绿色屏幕顶栏的粉色直立手机，前方叠有两个蓝色对话气泡。边界框紧贴手机及气泡尾部的整体可见范围；正点分布于机壳、屏幕、底部按钮及两个气泡，负点位于外围背景，避开底部基线与目标轮廓。"}},{"name":"Bullseye target and dart","description":"Final lower-right illustration: a circular target with alternating red and pale-yellow rings on a green support. A blue-fletched dart enters from the upper right and lands in its center.","membership":"Includes the target’s outer boundary and entire enclosed face, its green support, and the dart throughout its approach and embedded position. Follows the dart’s shaft and fletching outlines, excluding surrounding gaps, the baseline, and decorative motion marks.","id":"obj_013","temporal":{"status":"found","start_s":13.5,"end_s":14.0,"reference_s":13.75,"evidence":"目标为右下角红色与淡黄色同心圆靶面、绿色支架及蓝色尾翼飞镖的组合。13.25秒飞镖正从右上方进入，仍被画面右边界裁切；13.50秒所有指定成员首次完整可见，飞镖已射入靶心。最后合格帧为13.75秒，组合持续完整显示至视频结束，之后无采样帧。选择13.75秒作为关键帧，靶面、支架及飞镖轮廓清晰，便于标注。","start_frame":324,"end_frame":336,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[778,619,898,875],"positive_points":[[790,735],[828,655],[872,768],[832,736],[834,853],[867,667]],"negative_points":[[920,740],[763,620],[917,876],[745,824]],"evidence":"目标是右下角红黄相间的圆形靶及从右上方射入的蓝尾飞镖。边界框紧贴靶面、绿色支架和完整飞镖，不包含底部基线或装饰痕迹。正点分布于靶面、中心、支架及飞镖尾翼；负点位于外围背景和右侧基线上。"}}]}
+{"video_id":252,"video_type":"icons and abstract motion graphics","targets":[{"name":"Clock icon, paired presentation","description":"A white outline analog clock in the left purple circle of the first pair, with perimeter tick marks and animated hands.","membership":"Includes the circular clock boundary, enclosed face, tick marks, and hands. Excludes the surrounding purple circle and coral background.","id":"obj_001","temporal":{"status":"found","start_s":1.25,"end_s":2.5,"reference_s":1.75,"evidence":"目标是首组左侧紫色圆内的白色模拟时钟，仅包括钟面边界、刻度和指针。1.25秒首次完整呈现，至2.25秒仍完整可见，期间指针持续转动。前一帧1.00秒的左侧刻度尚未绘制完成；后一帧2.50秒时钟已消失并开始绘制其他图标。选择1.75秒为关键帧，此时轮廓和刻度清晰，双指针易于辨认。","start_frame":30,"end_frame":60,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[279,434,379,613],"positive_points":[[328,450],[290,506],[313,567],[350,575],[362,496],[335,525]],"negative_points":[[248,523],[405,527],[328,669],[673,531]],"evidence":"目标是左侧紫色圆内的白色模拟时钟。边界框紧贴时钟外轮廓，包含表盘、刻度和指针，不包含外围紫色圆。六个正点分布于表盘内部及指针附近；负点位于时钟外的紫色区域和右侧垃圾桶图标上。"}},{"name":"Trash can icon, paired presentation","description":"A white outline waste bin in the right purple circle of the first pair. Its handled lid lifts and closes above a body with three vertical slots.","membership":"Includes the bin body and its enclosed area, slots, and moving lid with its handle. Excludes the empty gap beneath the raised lid, surrounding purple circle, and background.","id":"obj_002","temporal":{"status":"found","start_s":1.5,"end_s":2.5,"reference_s":2.25,"evidence":"目标是首组右侧紫色圆中的白色垃圾桶，包含三条竖槽的桶身及带把手的活动桶盖。首个完整帧为1.50秒，此时三条槽均已绘制完成，桶盖正在抬起；前一帧1.25秒的槽线仍未完成。最后合格帧为2.25秒，后一帧2.50秒垃圾桶已消失并被新图标的初始线条替代。选择2.25秒为关键帧，桶身和桶盖轮廓清晰，便于标注。","start_frame":36,"end_frame":60,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[634,400,718,617],"positive_points":[[642,427],[671,404],[707,450],[651,488],[693,588],[673,542]],"negative_points":[[604,527],[747,515],[673,669],[328,521]],"evidence":"目标是右侧紫色圆内的白色轮廓垃圾桶。边界框紧贴桶身、抬起的桶盖及把手；正点分布在桶盖、把手和桶身所包围区域，负点位于外围紫色区域及左侧时钟上，不标记桶盖下方的空隙。"}},{"name":"Gear icon, paired presentation","description":"A white outline settings cog with a circular central opening, replacing the clock in the left purple circle.","membership":"Includes the toothed outer contour and the area it encloses, including the central ring. Follows the indentations between teeth rather than a circular or rectangular envelope. Excludes the purple backing outside the gear.","id":"obj_003","temporal":{"status":"found","start_s":4.0,"end_s":5.0,"reference_s":4.25,"evidence":"目标为左侧紫色圆内替代时钟的白色齿轮轮廓，含中央圆环，不含紫色背景。首个合格帧为4.00秒，齿形外轮廓已完整；前一帧3.75秒右侧轮廓尚未绘制闭合。最后合格帧为4.75秒，随后5.00秒已被新图标的绘制线条替代。选择4.25秒作为关键帧，齿轮轮廓清晰完整、无遮挡，便于标注。","start_frame":96,"end_frame":120,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[281,437.5,377,608.3],"positive_points":[[340,450],[289,500],[361,490],[358,560],[314,592],[315,521]],"negative_points":[[258,521],[398,521],[328,385],[674,521]],"evidence":"目标是左侧紫色圆内的白色轮廓齿轮。边界框紧贴齿轮最外侧齿尖；正点分布于齿部、轮廓包围的内部及中央环上，负点位于齿轮外的紫色底板和右侧电话图标区域。"}},{"name":"Telephone icon, paired presentation","description":"A white outline telephone receiver in the right purple circle, accompanied by animated curved ringing lines.","membership":"Includes the receiver outline and its enclosed area, plus the ringing arcs when visible. The arcs remain open curves; spaces between them and the receiver are excluded. Excludes the surrounding purple circle.","id":"obj_004","temporal":{"status":"found","start_s":3.25,"end_s":5.0,"reference_s":4.75,"evidence":"目标是双图标画面中右侧紫色圆内的白色电话听筒及动态振铃弧线，不包括紫色圆。3.25秒听筒轮廓首次完整，振铃弧线随后动态增减；最后合格帧为4.75秒。前一帧3.00秒听筒上端轮廓仍未画完，后一帧5.00秒已替换为其他图标的绘制片段。选择4.75秒为关键帧，听筒与三条振铃弧线清晰且无遮挡。","start_frame":78,"end_frame":120,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[623,433,723,609],"positive_points":[[642,467],[644,538],[698,583],[677,488],[690,473],[710,483]],"negative_points":[[594,521],[746,521],[677,669],[328,523]],"evidence":"目标是右侧紫色圆内的白色电话听筒及三条响铃弧线。边界框紧贴听筒和弧线的整体可见范围；正点分布在听筒内部及响铃线条上，负点位于图标外的紫色背景和左侧齿轮处，不包含听筒内部或弧线间隙。"}},{"name":"Rocket icon, paired presentation","description":"A white outline rocket pointing diagonally upward to the right in the left purple circle, with a round window, fins, and a small exhaust flame.","membership":"Includes the rocket body and enclosed area, window, fins, and separate flame when visible. Follows the actual silhouette and excludes the gap between flame and rocket, surrounding purple circle, and background.","id":"obj_005","temporal":{"status":"found","start_s":6.5,"end_s":8.5,"reference_s":7.5,"evidence":"目标是双图标展示中左侧紫色圆内朝右上方的白色线框火箭，包含圆窗、尾翼和分离的小火焰。6.50秒首次完整呈现，6.25秒火焰仍是未闭合的绘制弧线；最后合格帧为8.25秒，8.50秒火箭已消失并开始绘制下一图标。选择7.50秒作为关键帧，火箭轮廓完整清晰、无遮挡。","start_frame":156,"end_frame":204,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[288,423,387,598],"positive_points":[[361,465],[330,529],[347,494],[300,521],[334,571],[298,579]],"negative_points":[[260,490],[396,578],[334,659],[675,513]],"evidence":"目标是左侧紫色圆内朝右上方的白色轮廓火箭。边界框紧贴箭体、圆窗、两侧尾翼和独立火焰；正点分布于这些组成部分，负点位于周围紫色区域及右侧柱状图对象上，不标记火箭内部或火焰间隙。"}},{"name":"Bar chart icon, paired presentation","description":"Four narrow white outline columns of changing heights in the right purple circle, presented beside the rocket.","membership":"Includes all four column boundaries and their enclosed interiors as one chart. Excludes the gaps between columns and the surrounding purple circle.","id":"obj_006","temporal":{"status":"found","start_s":5.75,"end_s":8.5,"reference_s":6.0,"evidence":"目标是火箭右侧紫色圆内的四根白色空心柱，不包含圆形背景。5.75秒时四根柱的边界首次全部绘制完整，之后高度变化仍属同一图标，最后合格帧为8.25秒。此前5.50秒仍有柱边未画完；此后8.50秒柱状图已消失并被新图标的初始线段替代。选择6.00秒作为关键帧，四根柱轮廓清晰、无遮挡，且与左侧火箭容易区分。","start_frame":138,"end_frame":204,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[631.1,418.8,722.5,602.1],"positive_points":[[639.3,577.1],[663.9,447.9],[663.9,579.2],[689.7,541.7],[714.3,502.1],[714.3,581.3]],"negative_points":[[601.9,502.1],[749.4,552.1],[673.3,368.8],[679.2,666.7]],"evidence":"目标是火箭右侧紫色圆内的四根白色描边柱。边界框紧贴四根柱的整体可见范围；正点分布在各柱的封闭内部，并覆盖高柱上下部。负点位于图表外围的紫色背景，不落在柱间空隙内。"}},{"name":"Shield icon, paired presentation","description":"A white outline shield in the left purple circle, with a shallow peaked top and a pointed bottom. Narrow diagonal strokes sweep across it during animation.","membership":"Includes the shield boundary and enclosed area, including the animated interior strokes. Excludes the surrounding purple circle and background.","id":"obj_007","temporal":{"status":"found","start_s":9.75,"end_s":12.0,"reference_s":10.5,"evidence":"目标是成对展示中左侧紫色圆内的白色盾牌，包含盾牌轮廓及内部扫过的斜线，不含紫色圆。9.75秒首次轮廓完整；此前9.50秒右上角仍有绘制缺口。最后合格帧为11.75秒，12.00秒盾牌已消失。选择10.50秒为关键帧，盾牌轮廓清楚、无遮挡，便于标注。","start_frame":234,"end_frame":288,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[288.1,447.9,371.2,622.9],"positive_points":[[303.3,481.3],[327.9,468.8],[357.1,483.3],[300.9,531.3],[350.1,552.1],[329.0,593.8]],"negative_points":[[262.3,512.5],[391.1,518.8],[330.2,675.0],[676.8,570.8]],"evidence":"目标是左侧紫色圆内的白色盾牌轮廓，顶部浅尖、底部尖收。边界框紧贴盾牌外缘，包含轮廓及其围合区域，不含紫色圆。六个正点分布于盾牌内部的上、中、下部；负点位于盾牌外的紫色圆区域及右侧信封图标上。"}},{"name":"Envelope icon, paired presentation","description":"A white outline envelope in the right purple circle. Its flap opens, a lined sheet rises from it, and the envelope closes.","membership":"Includes the envelope body, flap, enclosed areas, and the animated sheet with its lines. Excludes any empty gap between a detached sheet and the envelope, the surrounding purple circle, and background.","id":"obj_008","temporal":{"status":"found","start_s":10.25,"end_s":12.0,"reference_s":10.75,"evidence":"目标是右侧紫色圆中的白色轮廓信封，包括信封盖及升降的带线信纸，不包括紫色圆。10.25秒信封结构首次完整，随后展示信纸升降和封口，最后合格帧为11.75秒。前一帧10.00秒仍在绘制信封内部折线；后一帧12.00秒信封已消失。选择10.75秒作为关键帧，此时信封与带线信纸均清晰可见。","start_frame":246,"end_frame":288,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[625.9,443.8,724.8,629.2],"positive_points":[[652.2,470.8],[695.6,477.1],[674.5,535.4],[633.5,560.4],[711.9,575],[673.3,612.5]],"negative_points":[[674.5,375],[585.5,535.4],[757.6,577.1],[673.3,685.4]],"evidence":"目标是右侧紫色圆内的白色信封及伸出的横线信纸。边界框紧贴信纸顶部、信封两侧和底边，包含信封主体、打开的封口及其围合区域。六个正点分布在信纸和信封内部，四个负点位于图标外围的紫色圆面上。"}},{"name":"Light bulb icon, paired presentation","description":"A white outline light bulb in the left purple circle, with a rounded globe, branching filament, and separated base strokes.","membership":"Includes the globe boundary and enclosed area, filament, and base strokes with any enclosed base area. Excludes spaces between disconnected strokes and the surrounding purple circle.","id":"obj_009","temporal":{"status":"found","start_s":13.75,"end_s":15.0,"reference_s":14.0,"evidence":"目标是双图标展示中左侧紫色圆内的白色灯泡，包含圆润泡壳、分叉灯丝和分离的底座线条，不含紫色圆。13.75秒首次完整成形；此前13.50秒的灯丝分叉尚未绘制完整。最后合格帧为14.75秒，15.00秒灯泡已消失。选择14.00秒作为关键帧，灯泡轮廓与内部结构清晰、无遮挡。","start_frame":330,"end_frame":360,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[292.7,420.8,360.7,616.7],"positive_points":[[326.7,447.9],[304.4,485.4],[346.6,487.5],[326.7,541.7],[325.5,579.2],[326.7,606.3]],"negative_points":[[269.3,479.2],[379.4,520.8],[327.9,654.2],[677.9,525]],"evidence":"目标是左侧紫色圆内的白色轮廓灯泡。边界框紧贴球形灯罩至底部独立笔画，未包含紫色圆。正点分布在灯罩包围区域、灯丝及底座笔画和包围区域；负点位于灯泡外的紫色背景及右侧钱包图标区域。"}},{"name":"Wallet icon, paired presentation","description":"A white outline wallet in the right purple circle, with a raised curved rear section, circular fastener, and a small animated coin above it.","membership":"Includes the wallet outline, enclosed body and rear section, fastener, and the coin outline with its enclosed area. Excludes the gap between coin and wallet and the surrounding purple circle.","id":"obj_010","temporal":{"status":"found","start_s":13.75,"end_s":15.0,"reference_s":13.75,"evidence":"目标是右侧紫色圆内的白色钱包及其上方硬币，包含弧形后层和圆形扣件。13.75秒钱包与硬币均已完整呈现；此前13.50秒钱包虽已成形，但硬币尚未出现。最后合格帧为14.75秒，硬币正进入钱包并被部分遮挡，属于完整对象的运动；15.00秒目标已消失。选择13.75秒作为关键帧，钱包和硬币轮廓清楚、彼此分离，便于标注。","start_frame":330,"end_frame":360,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[627.6,391.7,727,604.2],"positive_points":[[669.8,404.2],[671,464.6],[642.9,518.8],[682.7,579.2],[707.3,543.8],[714.3,504.2]],"negative_points":[[760,531.3],[600.7,504.2],[669.8,358.3],[325.5,487.5]],"evidence":"目标是右侧紫色圆内的白色钱包图标。边界框紧贴钱包轮廓及上方硬币，涵盖包身、抬高的后层和圆形扣件。正点分布在硬币内部、后层、包身及扣件；负点位于图标外的紫色背景和左侧灯泡上，不标记硬币与钱包之间的空隙。"}},{"name":"“10 animated icons” title","description":"The centered white heading “10 animated icons” above the final two-row icon display.","membership":"Includes only the title lettering. Excludes the coral background and all icon graphics beneath it.","id":"obj_011","temporal":{"status":"found","start_s":15.5,"end_s":18.75,"reference_s":18.5,"evidence":"目标为最终两排图标上方居中的白色标题“10 animated icons”，仅包含文字。15.50秒首次完整清晰呈现，18.50秒为最后合格帧；此前15.25秒仍处于淡入、模糊状态，此后18.75秒标题和图标已消失，切换为新的文字画面。选择18.50秒作为关键帧，标题完整清晰、无遮挡，便于标注。","start_frame":372,"end_frame":450,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[353.6,118.8,646.4,168.8],"positive_points":[[361.8,145.8],[423.9,152.1],[463.7,145.8],[548,143.8],[589,147.9],[638.2,133.3]],"negative_points":[[500,77.1],[498.8,214.6],[327.9,141.7],[672.1,145.8]],"evidence":"目标是两排图标上方居中的白色标题“10 animated icons”。边界框紧贴整段标题文字；六个正点分散在数字及不同单词的字母笔画上，四个负点位于标题上、下、左、右的珊瑚色外部背景。"}},{"name":"Clock icon, grid presentation","description":"The analog clock reappears at the far left of the top row in the final grid, drawn in white within a small purple circle.","membership":"Includes the clock boundary, enclosed face, perimeter tick marks, and animated hands. Excludes the surrounding purple circle and neighboring icons.","id":"obj_012","temporal":{"status":"found","start_s":16.5,"end_s":18.75,"reference_s":18.5,"evidence":"目标是最终网格顶行最左侧紫色圆内的白色模拟时钟，不包含紫色背景圆。16.50秒时钟边界、表盘刻度和指针已完整建立；此前16.25秒的外围刻度尚在逐步绘制。最后符合条件的帧为18.50秒，18.75秒网格消失并切换为文字。选择18.50秒作为关键帧，时钟结构清晰完整且无遮挡。","start_frame":396,"end_frame":450,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[117.1,335.4,178,445.8],"positive_points":[[147.5,364.6],[130,383.3],[162.8,391.7],[146.4,427.1],[169.8,368.8],[124.1,410.4]],"negative_points":[[97.2,393.8],[197.9,397.9],[148.7,293.8],[326.7,385.4]],"evidence":"目标是顶部一排最左侧紫色圆内的白色模拟时钟。边界框紧贴时钟外轮廓，包含表盘、刻度和指针，不包含紫色圆底。六个正点分布在所包含的表盘及指针区域；负点位于表盘外的紫色底和相邻垃圾桶图标上。"}},{"name":"Trash can icon, grid presentation","description":"The handled waste bin reappears second from the left in the top row, with an opening lid and three vertical body slots.","membership":"Includes the bin body and enclosed area, slots, and moving lid with its handle. Excludes the gap beneath the raised lid, surrounding purple circle, and neighboring icons.","id":"obj_013","temporal":{"status":"found","start_s":16.75,"end_s":18.75,"reference_s":18.5,"evidence":"目标为十图标网格中上排左起第二个垃圾桶，包含带把手的活动桶盖、桶身及三条竖槽。16.50秒竖槽仍在绘制，16.75秒全部结构已完整，开盖状态符合要求；最后合格帧为18.50秒，18.75秒网格消失并切换为文字画面。选择18.50秒作关键帧，桶盖闭合、轮廓及三条竖槽清晰，无遮挡。","start_frame":402,"end_frame":450,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[301,329,353,452],"positive_points":[[311,378],[342,379],[315,438],[342,438],[306,353],[325,333]],"negative_points":[[285,390],[367,390],[326,490],[504,397]],"evidence":"目标位于顶排左起第二个紫色圆内，是带提手、盖子和三条竖槽的垃圾桶。边界框紧贴桶身、桶盖及提手；正点分布在桶身内部、盖子和提手上，负点位于外围紫色区域及右侧齿轮图标上，不标注桶内空隙。"}},{"name":"Gear icon, grid presentation","description":"The white toothed settings cog reappears in the middle of the top row, with a circular central opening.","membership":"Includes the toothed outer contour and enclosed area, including the central ring. Follows the actual tooth indentations. Excludes the surrounding purple circle and neighboring icons.","id":"obj_014","temporal":{"status":"found","start_s":16.75,"end_s":18.75,"reference_s":17.5,"evidence":"目标是网格展示中上排中央的白色齿轮，包含齿状外轮廓和中心圆环，不含紫色背景圆。16.50秒右侧轮廓仍未绘制完成，16.75秒首次完整呈现；最后符合条件的帧为18.50秒，18.75秒图标网格已消失并切换为文字。选择17.50秒作为关键帧，齿轮轮廓清晰完整、无遮挡。","start_frame":402,"end_frame":450,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[471.9,341.7,533.9,450],"positive_points":[[503.5,354.2],[516.4,381.3],[515.2,416.7],[501.2,437.5],[489.5,418.8],[487.1,383.3]],"negative_points":[[450.8,395.8],[554.0,395.8],[502.3,300.0],[502.3,489.6]],"evidence":"目标是上排中央紫色圆内的白色设置齿轮。边界框紧贴齿轮外齿的可见范围；六个正点分布于齿部及轮廓包围的主体区域，四个负点位于齿轮外侧的紫色圆背景，排除该圆及邻近图标。"}},{"name":"Telephone icon, grid presentation","description":"The white telephone receiver reappears fourth from the left in the top row, with curved ringing lines that appear and disappear.","membership":"Includes the receiver outline and enclosed area, plus the visible ringing arcs as open curves. Excludes spaces between these elements, the surrounding purple circle, and neighboring icons.","id":"obj_015","temporal":{"status":"found","start_s":15.75,"end_s":18.75,"reference_s":17.5,"evidence":"目标是网格展示中上排左起第四个白色电话听筒，包含动态出现、消失的振铃弧线，不含紫色圆底。15.75秒听筒轮廓首次完整，持续至18.50秒；此前15.50秒仍在逐步绘制，之后18.75秒整组图标已消失并切换为文字。选择17.50秒为关键帧，听筒及振铃弧线清晰，与相邻图标分离。","start_frame":378,"end_frame":450,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[638,341,700,451],"positive_points":[[648,360],[646,394],[663,431],[690,429],[695,392],[669,371]],"negative_points":[[615,396],[673,490],[505,396],[752,388]],"evidence":"目标是顶排从左数第四个紫色圆内的白色电话图标。边界框紧贴听筒及右上方可见的铃声弧线；正点分布在听筒轮廓所围区域及弧线上，负点位于外围紫色��面、相邻齿轮和圆外背景，避开图标内部空隙。"}},{"name":"Rocket icon, grid presentation","description":"The diagonal white rocket reappears at the far right of the top row, with a circular window, fins, and exhaust flame.","membership":"Includes the rocket body and enclosed area, window, fins, and visible flame. Follows the true silhouette and excludes the flame-to-body gap, surrounding purple circle, and neighboring icons.","id":"obj_016","temporal":{"status":"found","start_s":16.75,"end_s":18.75,"reference_s":17.5,"evidence":"目标是十图标网格上排最右侧的斜向白色火箭，包含机身、圆窗、尾翼及独立火焰，不含紫色圆底。16.75秒首次完整呈现；此前16.50秒的尾部火焰仍未绘制完成。最后合格帧为18.50秒，18.75秒网格消失并切换为文字。选择17.50秒作为关键帧，火箭轮廓完整清晰且无遮挡。","start_frame":402,"end_frame":450,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[824,346,885,454],"positive_points":[[872,363],[862,385],[847,406],[831,408],[851,438],[829,444]],"negative_points":[[900,397],[841,311],[847,493],[679,400]],"evidence":"目标是顶排最右侧紫色圆内斜向右上的白色火箭。边界框紧贴箭体、圆窗、两侧尾翼及独立火焰；六个正点分布于这些组成部分，四个负点位于外围紫色圆面及左邻电话图标上，不标记火箭内部或火焰间隙。"}},{"name":"Bar chart icon, grid presentation","description":"The four-column white outline chart reappears at the far left of the bottom row, with animated column heights.","membership":"Includes all four column outlines and their enclosed interiors as one chart. Excludes the gaps between columns, surrounding purple circle, and neighboring icons.","id":"obj_017","temporal":{"status":"found","start_s":16.25,"end_s":18.75,"reference_s":18.5,"evidence":"目标是十图标网格中底排最左侧的四柱白色轮廓图表，不包括紫色圆底。16.00秒柱体轮廓仍在绘制，16.25秒四根柱体首次全部完整；随后柱高变化仍属同一完整图标。最后合格帧为18.50秒，18.75秒网格已消失并被文字画面替代。选择18.50秒作为关键帧，四柱边界清楚且无遮挡。","start_frame":390,"end_frame":450,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[119.4,664.6,175.6,776.0],"positive_points":[[124.1,760.4],[139.3,677.1],[139.3,741.7],[154.6,737.5],[169.8,716.7],[169.8,766.7]],"negative_points":[[103.0,718.8],[188.5,718.8],[147.5,625.0],[147.5,810.4]],"evidence":"目标位于底排最左侧紫色圆内，是四根高低不同的白色轮廓柱。边界框紧贴四根柱的整体外缘；六个正点分布在柱的轮廓及其包含的内部，四个负点位于图表外围的紫色背景上，不落在柱间空隙内。"}},{"name":"Shield icon, grid presentation","description":"The pointed white shield reappears second from the left in the bottom row, with diagonal strokes moving across its interior.","membership":"Includes the shield boundary and enclosed area, including its animated interior strokes. Excludes the surrounding purple circle and neighboring icons.","id":"obj_018","temporal":{"status":"found","start_s":16.25,"end_s":18.75,"reference_s":17.0,"evidence":"目标是十图标网格底排左起第二个白色尖底盾牌，不含紫色圆底。16.25秒盾牌边界首次完整建立，随后内部斜线移动，至18.50秒仍完整可见；前一帧16.00秒顶部轮廓尚未绘制完成，后一帧18.75秒网格已消失并切换为文字。选择17.00秒作为关键帧，盾牌轮廓和内部斜线清晰，无遮挡。","start_frame":390,"end_frame":450,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[296,660,348,771],"positive_points":[[305,685],[321,674],[339,690],[305,719],[327,729],[321,757]],"negative_points":[[278,704],[363,710],[322,627],[320,806]],"evidence":"目标是底排左起第二个紫色圆内的白色尖底盾牌。边界框紧贴盾牌轮廓，包含其内部区域和斜线。六个正点分布在盾牌上部、两侧及下部内部；四个负点位于盾牌外围的紫色圆面上，不包含邻近图标。"}},{"name":"Envelope icon, grid presentation","description":"The white envelope reappears in the middle of the bottom row, opening to reveal a lined sheet before closing.","membership":"Includes the envelope body, moving flap, enclosed areas, and animated sheet with its lines. Excludes any empty separation between sheet and envelope, surrounding purple circle, and neighboring icons.","id":"obj_019","temporal":{"status":"found","start_s":17.0,"end_s":18.75,"reference_s":17.5,"evidence":"目标是十图标网格底排中央的白色信封，包含活动封口及带横线的信纸，不含紫色圆底。17.00秒信封自身结构首次完整；前一帧16.75秒内部折线仍在绘制。此后信纸进入、封口闭合均属完整图标的动画，最后合格帧为18.50秒；18.75秒网格已消失，画面改为文字。选择17.50秒作为关键帧，信封与带横线信纸清晰可辨。","start_frame":408,"end_frame":450,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[470.7,687.5,532.8,797.9],"positive_points":[[477.8,764.6],[525.8,764.6],[500,787.5],[493,727.1],[510.5,737.5],[501.2,696.9]],"negative_points":[[450.8,718.8],[550.4,750],[501.2,637.5],[662.8,722.9]],"evidence":"目标是底排中央紫色圆中的白色信封。边界框紧贴信封主体、展开的上盖及露出的带线纸张；正点分布于这些部分及其封闭内部，负点位于外围紫色背景和右侧钱包图标，未标注信封内部空隙。"}},{"name":"Wallet icon, grid presentation","description":"The white wallet reappears fourth from the left in the bottom row, with its raised rear section and round fastener.","membership":"Includes the wallet boundary, enclosed body and rear section, fastener, and any visible animated coin with its enclosed area. Excludes gaps between separate components, surrounding purple circle, and neighboring icons.","id":"obj_020","temporal":{"status":"found","start_s":16.75,"end_s":18.75,"reference_s":18.5,"evidence":"目标是网格展示中底排从左数第四个白色钱包，具有抬高的后部和圆形扣件，不包括紫色圆底。16.75秒钱包自身结构首次完整，之前16.50秒的圆形扣件尚未绘制闭合；之后出现的硬币属于完整钱包的动画。最后合格帧为18.50秒，18.75秒网格及钱包均已消失，画面转为文字。选择18.50秒作为关键帧，钱包轮廓、后部和扣件清晰，无遮挡。","start_frame":402,"end_frame":450,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[633.5,666.7,695.6,768.8],"positive_points":[[651.1,681.3],[673.3,681.3],[641.7,710.4],[662.8,714.6],[645.2,750],[682.7,729.2]],"negative_points":[[618.3,729.2],[709.6,716.7],[665.1,641.7],[501.2,716.7]],"evidence":"目标为底排从左数第四个钱包，具有抬高的后层和圆形扣件。边界框紧贴钱包外轮廓，覆盖后层、主体及扣件；正点分布在这些部件及其封闭内部，负点位于钱包外的紫色圆底和左侧信封图标上。"}},{"name":"Light bulb icon, grid presentation","description":"The white light bulb reappears at the far right of the bottom row, progressively forming its rounded globe, branching filament, and base.","membership":"Includes the globe boundary and enclosed area, filament, and base strokes with any enclosed base area. Excludes spaces between disconnected strokes, surrounding purple circle, and neighboring icons.","id":"obj_021","temporal":{"status":"found","start_s":17.0,"end_s":18.75,"reference_s":17.5,"evidence":"目标是网格展示中底排最右侧的白色灯泡，仅包含球形轮廓、分叉灯丝和底座。17.00秒首次完整呈现，16.75秒灯丝仍在绘制；最后合格帧为18.50秒，18.75秒网格已消失并切换为文字。选择17.50秒作为关键帧，灯泡结构清晰完整，无遮挡且易与邻近图标区分。","start_frame":408,"end_frame":450,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[829,656,872,777],"positive_points":[[847,675],[861,690],[838,702],[850,729],[850,752],[850,770]],"negative_points":[[808,702],[890,704],[849,619],[850,813]],"evidence":"目标是底排最右侧紫色圆中的白色灯泡。边界框紧贴灯泡的圆顶、两侧轮廓及底座；正点分布在灯泡轮廓包围的内部、灯丝附近和底座上，负点位于灯泡外侧的紫色背景，不包含其他图标。"}}]}
+{"video_id":253,"video_type":"icons and abstract motion graphics","targets":[{"name":"Website laptop — overview","description":"In the overview's upper-left tile, an open dark laptop displays a webpage with green bars, white text lines, and a blue image.","membership":"Include the laptop's screen frame, enclosed webpage, and base. Exclude the surrounding white tile.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0.5,"evidence":"目标是总览左上角白色格内的深色笔记本，屏幕含绿色横栏、白色文字线和蓝色图片区，不包括白色格。首个合格帧为0秒，最后为1秒；紧接的1.25秒帧中网页线条开始收缩，随后屏幕内容及机身逐步拆除，属于退出过程。视频起点之前没有采样帧。选择0.5秒作为关键帧，笔记本结构完整清晰且无遮挡。","start_frame":0,"end_frame":30,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[46.1,113.9,175,277.8],"positive_points":[[77.3,133.3],[54.7,173.6],[85.9,194.4],[141.4,194.4],[121.9,244.4],[113.3,265.3]],"negative_points":[[31.3,184.7],[183.6,193.1],[109.4,83.3],[109.4,305.6]],"evidence":"目标是左上角白色卡片内显示绿色栏、白色文字线和蓝色图片的深色笔记本电脑。边界框紧贴屏幕边框及底座，包含完整网页。正点分布在边框、网页内容和底座上；负点位于电脑四周的白色卡片背景，不包含卡片作为目标。"}},{"name":"Rocket — overview","description":"In the overview's second top-row tile, a yellow rocket has a red nose, red fins, a blue circular window, and a pointed exhaust flame.","membership":"Include the complete rocket, its window and markings, fins, and attached exhaust graphic. Exclude the white tile and gaps outside its silhouette.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0,"evidence":"目标是总览顶排第二格的黄色火箭，带红色头锥和尾翼、蓝色圆窗及尖形尾焰，不含白色底块。首个合格帧为0秒，最后为1.50秒，期间完整结构仍在，轻微形变不影响纳入；1.75秒圆窗等部件开始收缩消退，进入拆解退出阶段。视频起点前没有采样帧。选择0秒作为关键帧，火箭轮廓完整清晰、无遮挡。","start_frame":0,"end_frame":42,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[270.3,80.6,343.0,309.7],"positive_points":[[306.3,97.2],[306.3,154.2],[312.5,222.2],[277.3,252.8],[337.5,252.8],[307.0,286.1]],"negative_points":[[234.4,138.9],[375.0,236.1],[304.7,340.3],[359.4,83.3]],"evidence":"目标是顶排第二个白色图块中的黄色火箭，具有红色鼻锥和侧翼、蓝色圆窗及尖形尾焰。边界框紧贴完整火箭轮廓，包含窗口、标记、双翼和相连尾焰。六个正点分布在这些实体部位；四个负点位于火箭外的白色图块背景及下方灰色间隔，不包含内部空隙。"}},{"name":"Binoculars — overview","description":"The overview's top-center icon consists of dark binoculars with two blue lenses and bright cyan rims.","membership":"Include both barrels, enclosed lenses, and connecting bridge, following the outer contours and the open gaps between barrels. Exclude the white tile.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0,"evidence":"目标是总览顶行中央的深色双筒望远镜，含两个蓝色镜片、青色镜圈及连接桥，不含白色底板。首个合格帧为0秒，最后为1.25秒；1.5秒时镜筒开始收缩消解，1.75秒已主要剩下镜圈和连接桥，因此不纳入退出阶段。视频起点之前无采样帧。选择0秒作关键帧，目标结构完整、轮廓清楚且无遮挡。","start_frame":0,"end_frame":36,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[435.2,126.4,564.8,287.5],"positive_points":[[469.5,158.3],[531.3,158.3],[499.2,188.9],[462.5,240.3],[536.7,240.3],[464.1,277.8]],"negative_points":[[420.3,165.3],[578.1,240.3],[500,104.2],[500,468.1]],"evidence":"目标是顶部中央白色方块中的双筒望远镜，具有深色镜筒、蓝色镜片和亮青色边圈。边界框紧贴两侧镜筒及连接桥的整体外轮廓；正点分布在镜筒、连接桥、镜片和边圈上，负点位于外围白色背景及下方灯泡上，不包含镜筒间的空隙。"}},{"name":"Money bag — overview","description":"A yellow tied money bag in the overview's fourth top-row tile carries a green dollar sign inside a dark circular emblem.","membership":"Include the bag, tied cord, and enclosed dollar emblem. Exclude the surrounding white tile.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0.5,"evidence":"目标是总览顶行第四格中的黄色钱袋，包含黑色系绳及深色圆章内的绿色美元符号，不含白色方格。首个合格帧为0秒；至2.00秒各组成部分仍可见，圆章和美元符号的缩放、转动仍计入。2.25秒美元符号已消失，圆章退为小点，进入拆除阶段，因此最后合格帧为2.00秒。视频起点前无采样帧。选择0.50秒作为关键帧，钱袋形状及符号完整清晰、无遮挡。","start_frame":0,"end_frame":54,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[635,96,752,305],"positive_points":[[692,115],[695,145],[657,229],[694,230],[733,249],[703,294]],"negative_points":[[621,90],[768,197],[694,326],[618,264]],"evidence":"目标位于顶排第四个白色方格内，是带深色圆形徽章和绿色美元符号的黄色钱袋。边界框紧贴袋口、系绳、袋身及底部；正点分布于这些组成部分，负点均位于钱袋外围的白色背景，不包含白色方格。"}},{"name":"Online shopping monitor — overview","description":"The upper-right overview icon is a pale-framed desktop monitor with a blue screen, green bottom strip, and white shopping cart.","membership":"Include the monitor frame, enclosed screen and cart graphic, and pedestal. Exclude the surrounding white tile.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标是总览右上角的浅色边框桌面显示器，含蓝色屏幕、绿色底条、白色购物车和底座，不含白色方块。首个合格帧为0秒，已完整呈现，之前无采样帧；最后合格帧为1.75秒，购物车虽转窄但仍可见，显示器结构完整。紧邻的2秒帧中购物车已消失，图标开始退出。选0.5秒作为关键帧，目标正面清晰、无遮挡。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[826.6,112.5,955.5,308.3],"positive_points":[[829,193],[852,138],[891,199],[906,257],[953,210],[891,299]],"negative_points":[[812,170],[966,195],[887,83],[890,325]],"evidence":"目标是右上角带白色购物车的桌面显示器。边界框紧贴浅色外框、蓝色屏幕、绿色底条及下方支架底座，不包含白色卡片。正点分布在外框、屏幕、购物车、底条和底座上；负点位于显示器四周的白色卡片背景。"}},{"name":"Laptop user — overview","description":"At the left of the overview's middle row, a dark-haired person in cyan clothing sits behind a dark laptop on a pale horizontal base.","membership":"Include the person, laptop with its circular lid mark, and pale supporting base as one compact icon. Exclude the white tile and exterior gaps.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0,"evidence":"目标是总览中排最左侧的青衣黑发人物、带圆形标记的深色笔记本及浅色底座，不含白色方格。首个合格帧为0.00秒，最后为2.00秒，期间图标虽收缩但组成仍完整；紧邻的2.25秒帧中人物身体已消退，头部向电脑后方收起，进入退出过程。视频起点前无采样帧。选择0.00秒作为关键帧，图标完整清晰且无遮挡。","start_frame":0,"end_frame":54,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[45.3,387.5,171.9,612.5],"positive_points":[[108.6,406.9],[109.4,456.9],[87.5,500],[109.4,554.2],[141.4,577.8],[161.7,607]],"negative_points":[[33.6,465.3],[181.3,548.6],[108.6,633.3],[266.4,490.3]],"evidence":"目标位于中排最左侧白色卡片内，是青色衣服的人坐在深色笔记本电脑后方的图标。边界框紧包头发、人物、含圆形标记的电脑及浅色底座；正点分布在这些实体部分，负点位于图标外围白色背景及右侧独立人物图标上。"}},{"name":"Team — overview","description":"The second middle-row overview tile shows three faceless, dark-haired people: an orange-clad figure on the left, a green-clad figure on the right, and a cyan-clad figure with a red tie in front.","membership":"Include all three figures as the complete team icon. Exclude the white tile and open spaces outside and between their silhouettes.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0,"evidence":"目标是总览中排第二格的三人团队图标：左侧橙衣、右侧绿衣，前方青衣红领带，均为深色头发、无五官。首个合格帧为0秒，最后合格帧为2秒，缩小过程中三人结构仍完整；紧邻的2.25秒帧已移除身体，仅余头部，不再符合完整团队要求。区间起于视频开头，没有更早帧。选择0秒作为关键帧，三人轮廓完整清晰且无遮挡。","start_frame":0,"end_frame":54,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[238.3,416.7,375.8,582],"positive_points":[[264,436],[260,507],[349,456],[353,516],[306,505],[314,560]],"negative_points":[[226,474],[386,554],[306,390],[306,611]],"evidence":"目标位于中排第二个白色图块内，由左侧橙衣、右侧绿衣和前方佩红领带的青衣人物组成。边界框紧贴三个人物的完整可见轮廓；六个正点分布在各人物的头部及衣服上，四个负点位于团队轮廓外围的白色背景，不标注人物之间的空隙。"}},{"name":"Light bulb — overview","description":"The center of the overview's middle row contains a yellow light bulb with a white filament, dark screw base, and radiating yellow strokes.","membership":"Include the bulb, enclosed filament, screw base, and designed light-ray strokes. Exclude the white tile and spaces between the rays.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0,"evidence":"目标是总览中间一行中央的黄色灯泡，包含白色灯丝、深色螺口底座及黄色放射线，不含白色方块。首个合格帧为0秒，最后为1.25秒；1.5秒时放射线开始缩短、收撤，随后消失，属于退出拆解。视频起点前没有采样帧。选择0秒作关键帧，因为灯泡及全部放射线清晰完整、无遮挡。","start_frame":0,"end_frame":36,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[435.2,384.7,565.6,626.4],"positive_points":[[484.4,465.3],[523.4,502.8],[496.1,545.8],[500,600],[500,400],[553.1,500]],"negative_points":[[429.7,402.8],[574.2,611.1],[429.7,611.1],[570.3,395.8]],"evidence":"目标是中间一行中央的黄色灯泡，具有白色灯丝、深色螺口底座及黄色放射线。边界框紧贴灯泡、底座和所有光线的最外缘；正点分布在灯泡主体、灯丝、底座及光线上，负点位于目标外围的白色瓷砖背景，不标记灯泡内部或光线之间的空隙。"}},{"name":"Laboratory flask — overview","description":"The fourth middle-row overview tile contains a pale turquoise conical flask with a narrow neck, yellow liquid band, and magenta bubbling liquid.","membership":"Include the flask silhouette, enclosed liquid layers, bubbles, and graduation marks. Exclude the white tile.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":2.75,"reference_s":0,"evidence":"目标是总览中排第四格的浅青色锥形烧瓶，内有黄色液层、洋红色液体、气泡及刻度，不含白色方格。首个合格帧为0秒，最后为2.50秒；期间烧瓶倾斜、旋转但轮廓完整。2.75秒帧中烧瓶已随总览上移而被画面上缘裁切。视频起点之前无采样帧。选择0秒作为关键帧，烧瓶正立、结构清晰且无遮挡。","start_frame":0,"end_frame":66,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[647.7,395.8,738.3,612.5],"positive_points":[[692.2,422.2],[692.2,480.6],[683.6,523.6],[693.8,545.8],[666.4,591.7],[717.2,591.7]],"negative_points":[[633.6,479.2],[752.3,461.1],[692.2,634.7],[500,501.4]],"evidence":"目标位于中排第四个白色图块内，是浅青色细颈锥形烧瓶，内有黄色液层和洋红色气泡液体。边界框紧贴瓶口至瓶底的完整轮廓；正点分布在瓶颈、瓶身及两种液层上，负点位于瓶外白色背景和左侧灯泡上，排除白色图块及其他图标。"}},{"name":"Storefront — overview","description":"At the right of the overview's middle row is a yellow shop with a red-and-pale striped awning, two blue windows, and a blue central door.","membership":"Include the building facade, awning, enclosed windows and door, and pale foundation strip. Exclude the white tile.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0,"evidence":"目标是总览中排最右侧的黄色商店，包含红白条纹雨篷、两扇蓝窗、中央蓝门及浅色地基，不含白色卡片。首个合格帧为0秒，最后为1.25秒；1.5秒时中央门开始向下收缩消失，进入拆除式退出，因此不纳入。视频起点之前没有采样帧。选择0秒作为关键帧，商店结构完整清晰且无遮挡。","start_frame":0,"end_frame":36,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[822.7,406.9,952.3,595.8],"positive_points":[[842,438],[851,513],[925,513],[887,547],[856,561],[935,587]],"negative_points":[[809,514],[965,499],[887,382],[890,625]],"evidence":"目标是中排最右侧的黄色商店，具有红白条纹遮阳篷、两扇蓝窗和中央蓝门。边界框紧贴商店整体，包含立面、遮阳篷、门窗及浅色底座，不含白色卡片。正点分布在遮阳篷、两侧窗户、门、黄色墙面和底座上；负点位于商店四周的白色卡片背景。"}},{"name":"Icon count text","description":"Large white text reading \"12\" appears in the yellow block at the lower left of the overview.","membership":"Include only the numeral glyphs. Exclude the yellow backing block and adjacent title.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":3,"reference_s":0,"evidence":"目标是总览左下角黄色块内的白色“12”数字，仅包含数字字形。首个合格帧为0.00秒，视频起点之前无采样帧；最后合格帧为2.75秒，数字随画面上移但仍完整可见。紧邻的3.00秒帧中数字已移出画面，仅剩黄色块底部。选择0.00秒作为关键帧，数字完整清晰、无遮挡，易于与背景和相邻标题区分。","start_frame":0,"end_frame":72,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[58.6,751.4,160.2,872.2],"positive_points":[[82.8,776.4],[82.8,820.8],[66.4,858.3],[138.3,763.9],[143,808.3],[143.8,858.3]],"negative_points":[[33.6,791.7],[175,805.6],[113.3,915.3],[277.3,747.2]],"evidence":"目标是左下角黄色块内的白色“12”。边界框紧贴两个数字的整体范围；六个正点分布在数字1和2的实际笔画上，四个负点位于数字外围的黄色底块及右侧标题上，不包含数字内部空隙。"}},{"name":"Startup icon pack title","description":"The lower overview title reads \"STARTUP\" above \"Icons Pack\", with the upper line on cyan and the lower line on dark gray.","membership":"Include both lines of title text as one reading block. Exclude their colored backing panels, the separate \"12\", and neighboring icons.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":3,"reference_s":0,"evidence":"目标是概览下方的两行文字“STARTUP”和“Icons Pack”，不包括彩色底板、数字“12”及图标。首个合格帧为0秒，两行文字已完整呈现；最后合格帧为2.75秒，虽随画面上移但仍完整可见。紧接的3秒帧中文字已被画面上边界裁切，因此结束时间为3秒。区间从视频开头开始，没有更早的相邻帧。选择0秒为关键帧，文字清晰完整且无遮挡。","start_frame":0,"end_frame":72,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[237.5,706.9,552.3,922.2],"positive_points":[[283.6,722.2],[353.1,722.2],[453.1,773.6],[240.6,881.9],[332.0,895.8],[529.7,884.7]],"negative_points":[[226.6,736.1],[571.1,881.9],[116.4,813.9],[687.5,770.8]],"evidence":"目标是图像下方的两行标题“STARTUP”和“Icons Pack”。边界框紧贴两行文字的整体范围，不包含彩色底板、左侧“12”或邻近图标。六个正点分布在两行字形笔画上；负点位于文字块外的青色及深灰底板、独立数字和右侧棋子图标上。"}},{"name":"Chess knight — overview","description":"The overview's lower row includes a left-facing dark horse-head chess knight with a yellow mane and yellow pedestal.","membership":"Include the complete knight silhouette, eye detail, mane, and pedestal. Preserve the concave neck outline; exclude the white tile.","id":"obj_013","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标是总览下排右侧、时钟左边的棋马：深色马头朝左，带眼睛、黄色鬃毛和黄色底座，不包括白色方格。首个合格帧为0秒，最后为1.75秒；此间棋马虽有缩放变形，结构仍完整。2秒帧中眼睛细节消失，马头向底座收缩，开始拆解退出。视频起点之前没有采样帧。选择0.5秒作为关键帧，因轮廓完整清晰且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[641.4,702.8,741.4,916.7],"positive_points":[[658.6,781.9],[689.1,747.2],[689.1,841.7],[722.7,770.8],[713.3,865.3],[691.4,905.6]],"negative_points":[[625.8,801.4],[752.3,791.7],[692.2,666.7],[887.5,809.7]],"evidence":"目标位于下排右数第二个白色方块内，是朝左的深色马头棋子，带黄色鬃毛和底座。边界框紧贴完整棋子，包括耳尖、眼睛、鬃毛及底座，不含白色方块。正点分布在马嘴、眼睛、颈部、鬃毛和底座；负点位于棋子外的背景及右侧时钟上。"}},{"name":"Clock — overview","description":"The lower-right overview tile contains a round clock with a pale blue rim, blue face, pale hour marks and hands, and a red hand.","membership":"Include the outer circular rim and everything enclosed by it. Exclude the surrounding white tile.","id":"obj_014","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标是总览右下角白色格内的圆钟，具有浅蓝外圈、蓝色表盘、浅色刻度与指针及红色指针。首个合格帧为0秒，最后为1.75秒；期间指针转动但钟体完整。2秒帧中刻度开始向中心收缩、解体，故排除。视频起点之前无采样帧。选择0.5秒作为关键帧，钟的轮廓与内部结构清晰且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[826.6,702.8,948.4,919.4],"positive_points":[[887.5,713.9],[843.8,779.2],[932.0,781.9],[860.2,868.1],[918.8,868.1],[886.7,812.5]],"negative_points":[[810.2,694.4],[964.1,695.8],[810.9,937.5],[962.5,937.5]],"evidence":"目标是右下角白色图块中的圆形时钟。边界框紧贴淡蓝色外圈，包含圈内蓝色表盘、刻度及所有指针；六个正点分布于外圈和表盘各部，四个负点位于时钟外围的白色图块上。"}},{"name":"Money bag — enlarged presentation","description":"Following the overview's disappearance, a yellow money bag assembles in the upper-left panel of a four-panel layout. It develops a dark circular badge with a green dollar sign and a black neck cord.","membership":"Include all visible assembled parts of the bag, cord, and enclosed dollar badge throughout its expansion and collapse. Exclude the white presentation panel.","id":"obj_015","temporal":{"status":"found","start_s":4.0,"end_s":10.25,"reference_s":8.0,"evidence":"目标是四宫格左上角放大的黄色钱袋，包含黑色束口绳、深色圆章和绿色美元符号。4.00秒首次结构齐全，美元符号正侧转；此前3.75秒仅有小圆点，美元符号尚未出现。最后合格帧为10.00秒，钱袋虽变形、圆章缩小且符号侧转，但各部分仍完整；10.25秒美元符号消失，圆章退为小点，已开始拆解。选择8.00秒作关键帧，钱袋正面完整、无遮挡，轮廓清楚。","start_frame":96,"end_frame":246,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[187.5,118.1,346.1,401.4],"positive_points":[[265,145],[261,181],[267,304],[211,297],[320,326],[270,386]],"negative_points":[[145,270],[380,330],[269,450],[733,199]],"evidence":"目标是左上白色面板中的黄色钱袋，具有黑色颈绳、深色圆形徽章和绿色美元符号。边界框紧贴袋口、袋身及底部外缘，涵盖全部可见组成部分，不包含白色面板。六个正点分布在袋口、颈绳、徽章及袋身两侧和底部；四个负点位于袋外白色背景及右上方独立火箭上。"}},{"name":"Rocket — enlarged presentation","description":"A yellow-and-red rocket assembles in the upper-right panel beside the enlarged money bag, developing a blue porthole, red fins, and pointed flame.","membership":"Include the rocket body, enclosed porthole and markings, fins, and attached exhaust graphic throughout its assembly and collapse. Exclude the white panel and exterior gaps.","id":"obj_016","temporal":{"status":"found","start_s":5.25,"end_s":9.5,"reference_s":7.5,"evidence":"目标是放大钱袋右侧、右上白色面板内的黄红火箭。5.25秒首次具备完整箭体、蓝色舷窗、红色侧翼及附着尾焰；此前5.00秒舷窗和尾部仍在组装。最后合格帧为9.25秒，9.50秒开始收缩拆解，舷窗和尾部结构逐渐缩退。选择7.50秒作为关键帧，火箭完整清晰、无遮挡，便于标注。","start_frame":126,"end_frame":228,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[678.1,84.7,788.3,431.9],"positive_points":[[732.8,113.9],[732.8,197.2],[750,304.2],[692.2,340.3],[775.8,341.7],[733.6,393.1]],"negative_points":[[648.4,208.3],[817.2,326.4],[733.6,465.3],[266.4,279.2]],"evidence":"目标为右上白色面板中的黄红色火箭，带蓝色舷窗、红色尾翼和尖形火焰。边界框紧贴整个火箭，包含主体、舷窗、标记、两侧尾翼及相连尾焰。六个正点分布在这些组成部分上；负点位于火箭外围白色背景及左上钱袋上，不包含内部空隙。"}},{"name":"Storefront — enlarged presentation","description":"Below the enlarged money bag, a yellow shop assembles from a pale base into a facade with a striped red-and-pale awning, two blue windows, and a central blue door.","membership":"Include the shop's base, facade, awning, windows, and door throughout the animation. Exclude the white presentation panel.","id":"obj_017","temporal":{"status":"found","start_s":6.5,"end_s":9.5,"reference_s":8.0,"evidence":"目标是放大钱袋下方的黄色商店，包含浅色底座、红浅双色条纹遮棚、两扇蓝窗和中央蓝门，不含白色面板。6.50秒首次完整呈现；前一帧6.25秒蓝门和窗户仍在展开构建。最后合格帧为9.25秒，9.50秒蓝门开始向下收缩，进入拆解退出。选择8.00秒作为关键帧，店铺结构完整清晰且无遮挡。","start_frame":156,"end_frame":228,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[169.5,595.8,365.6,880.6],"positive_points":[[179.7,638.9],[208.6,758.3],[325.8,758.3],[267.2,805.6],[188.3,827.8],[328.1,869.4]],"negative_points":[[140,740],[405,760],[265,930],[267,300]],"evidence":"目标是左下白色展示板中、钱袋下方的黄色店铺。边界框紧贴红白条纹遮阳篷、黄色立面、两扇蓝窗、中央蓝门及浅色底座；六个正点分布于这些部件，负点位于店铺外围白色背景及上方钱袋上，不包含展示板。"}},{"name":"Team — enlarged presentation","description":"In the lower-right panel beneath the enlarged rocket, three heads develop into a team: orange clothing at left, green at right, and cyan clothing with a red tie on the front figure.","membership":"Include the three figures together as one team icon, including their visible parts during assembly and collapse. Exclude the white panel and open gaps between figures.","id":"obj_018","temporal":{"status":"found","start_s":7.0,"end_s":10.0,"reference_s":8.0,"evidence":"目标是放大火箭下方右下面板内的三人团队：左橙衣、右绿衣、前方青衣红领带。7.00秒三人的头发、衣服和领带均已完整呈现；此前6.75秒身体仍在展开。最后合格帧为9.75秒，10.00秒身体及头发开始收缩拆解，随后只剩头像。选择8.00秒作关键帧，团队完整清晰、无遮挡，便于排除白色面板和人物间空隙。","start_frame":168,"end_frame":240,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[630.5,613.9,838.3,862.5],"positive_points":[[671.9,666.7],[657.8,761.1],[796.9,666.7],[811.7,761.1],[732.8,745.8],[751.6,836.1]],"negative_points":[[601.6,736.1],[859.4,750],[734.4,916.7],[734.4,555.6]],"evidence":"目标位于右下白色面板内，由左侧橙衣、右侧绿衣及前方青衣红领带的三个人物组成。框紧贴三人图标的整体可见范围；六个正点分布在各人物的头部和衣服上，四个负点位于图标外围的白色背景，不标注人物间隙。"}},{"name":"Laptop user — enlarged presentation","description":"After the first enlarged group disappears, the upper-left panel presents a dark-haired person in cyan clothing with a yellow neck detail behind a dark laptop and pale base.","membership":"Include the person, complete laptop with its lid mark, and pale supporting base throughout their assembly and collapse. Exclude the white panel and exterior gaps.","id":"obj_019","temporal":{"status":"found","start_s":12.0,"end_s":17.75,"reference_s":16.0,"evidence":"目标是首组放大图标消失后，左上面板中的青衣黄领人物、带盖面标记的深色笔记本电脑及浅色底座。12.00秒首次完整呈现，11.75秒人物仍在展开、头部明显压扁；17.50秒为最后完整帧，17.75秒人物和电脑开始明显收缩折回，进入解体退出阶段。选择16.00秒作为关键帧，目标结构清晰完整且无遮挡。","start_frame":288,"end_frame":426,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[171.1,90.3,362.5,430.6],"positive_points":[[265.6,118.1],[267.2,184.7],[239.1,259.7],[215.6,323.6],[267.2,344.4],[350,422.2]],"negative_points":[[132.8,250],[392.2,338.9],[267.2,59.7],[261.7,462.5]],"evidence":"目标位于左上面板，为深色头发、青色衣服的��物及其面前的深色笔记本电脑。边界框紧贴人物、完整电脑及浅色支撑底座；正点分布在头发、脸部、衣服、电脑外壳与盖面标记、底座上，负点位于整个组合外围的白色面板背景。"}},{"name":"Binoculars — enlarged presentation","description":"The upper-right panel beside the enlarged laptop user presents two blue circular lenses that develop into dark binocular barrels connected by a bridge.","membership":"Include both barrels, enclosed lenses and cyan rims, and connecting bridge throughout deformation. Exclude the white panel and the open spaces between the barrels.","id":"obj_020","temporal":{"status":"found","start_s":13.5,"end_s":17.75,"reference_s":16.0,"evidence":"目标位于放大版笔记本用户右侧的上方面板，包含双侧深色镜筒、蓝色镜片、青色镜圈和连接桥。13.50秒首次具备完整双筒结构，随后镜筒伸展变形；此前13.25秒仅有镜圈和连接桥。最后符合条件的是17.50秒，镜筒虽变短但仍完整；17.75秒镜筒已收去，仅剩镜圈和桥，进入拆解退场。选择16.00秒作为关键帧，此时双筒轮廓清晰且无遮挡。","start_frame":324,"end_frame":426,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[635,147,832,389],"positive_points":[[687,195],[777,191],[734,241],[677,314],[789,314],[811,339]],"negative_points":[[592,278],[873,278],[734,447],[734,89]],"evidence":"目标是右上白色面板中的双筒望远镜。边界框紧贴两侧深色镜筒、蓝色镜片、青色边缘及中央连接桥；六个正点分布于这些实体部分，四个负点位于目标四周的白色背景，避开镜筒之间的空隙。"}},{"name":"Clock — enlarged presentation","description":"Below the enlarged laptop user, a pale blue circular rim develops into a blue-faced clock with pale ticks and hands and a red hand.","membership":"Include the outer rim and its entire enclosed face, markings, and hands throughout assembly and collapse. Exclude the white panel.","id":"obj_021","temporal":{"status":"found","start_s":14.25,"end_s":18.0,"reference_s":15.0,"evidence":"目标是放大笔记本使用者下方的时钟，包含浅蓝外圈、蓝色表盘、浅色刻度和指针及红针，不含白色面板。14.25秒首帧结构完整；前一帧14.00秒的刻度和指针仍在展开构建。17.75秒为最后完整帧，指针转动仍属完整展示；18.00秒刻度和指针开始收缩消失。选择15.00秒作为关键帧，时钟完整清晰且无遮挡。","start_frame":342,"end_frame":432,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[169,565,365,914],"positive_points":[[265,578],[179,737],[270,899],[231,677],[309,728],[266,781]],"negative_points":[[128,666],[399,814],[271,345],[730,715]],"evidence":"目标位于左下白色面板，是笔记本用户下方的圆形时钟。边界框紧贴淡蓝色外圈，包含整个蓝色表盘、刻度及指针；六个正点分布在外圈和表盘上，四个负点位于钟外白色背景及其他面板中的笔记本、显示器上。"}},{"name":"Online shopping monitor — enlarged presentation","description":"The lower-right panel beneath the enlarged binoculars presents a pale desktop monitor with a blue display and green lower strip. A white shopping cart appears across the screen.","membership":"Include the monitor frame, all enclosed display content, and pedestal throughout assembly and collapse. Exclude the white presentation panel.","id":"obj_022","temporal":{"status":"found","start_s":14.25,"end_s":19.0,"reference_s":16.0,"evidence":"目标是放大望远镜下方右下格内的浅色显示器，含蓝屏、绿色底条和底座，不含白色面板。14.25秒外框、屏面及底座已完整可见，虽呈窄形且屏内内容仍变化；此前14.00秒该格为空。最后合格帧为18.75秒，显示器缩窄但整体仍在，19.00秒已消失。16.00秒显示器和白色购物车清晰完整，适合作为空间标注关键帧。","start_frame":342,"end_frame":456,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[636,592,831,886],"positive_points":[[640,682],[669,626],[801,667],[735,724],[789,813],[734,862]],"negative_points":[[586,722],[870,721],[734,933],[734,553]],"evidence":"目标位于右下方面板：浅色台式显示器内有蓝色屏幕、绿色底条和白色购物车。边界框紧贴显示器外框及下方支架底座；正点分布于边框、屏幕、购物车、绿条和支架，负点位于显示器四周的白色面板背景，不包含面板。"}},{"name":"Light bulb — enlarged presentation","description":"After the monitor group disappears, a dark screw base in the upper-left panel grows into a yellow bulb with a white filament and yellow radiating strokes.","membership":"Include the bulb, enclosed filament, screw base, and the icon's radiating strokes throughout their reveal. Exclude the white panel and spaces between rays.","id":"obj_023","temporal":{"status":"found","start_s":20.5,"end_s":23.0,"reference_s":21.5,"evidence":"目标是显示器组消失后，左上白色面板内放大呈现的黄色灯泡，包含白色灯丝、深色螺口底座和黄色放射线。20.50秒首次结构完整；前一帧20.25秒尚未出现放射线，仍在构建。最后合格帧为22.75秒，目标仍完整可见，区间延至视频结束23.00秒，无后续帧。选择21.50秒作为关键帧，灯泡及放射线清晰完整、无遮挡。","start_frame":492,"end_frame":552,"reference_frame":516},"grounding":{"status":"found","bbox_xyxy":[168.75,86.11,364.84,450],"positive_points":[[237.5,212.5],[301.56,302.78],[260.94,320.83],[266.41,408.33],[266.41,109.72],[351.56,261.11]],"negative_points":[[132.81,250],[375,402.78],[738.28,375],[265.63,843.06]],"evidence":"目标是左上白色面板中的黄色灯泡。边界框紧贴灯泡主体、内部白色灯丝、深色螺口底座及外围黄色放射线。正点分布于灯泡、灯丝、底座和放射线上；负点位于图标外的白色背景、右上烧瓶及左下深色横条上。"}},{"name":"Laboratory flask — enlarged presentation","description":"Beside the enlarged bulb in the upper-right panel, a pale turquoise conical flask rocks from side to side. It contains magenta liquid with bubbles, a yellow band, and pale graduation marks.","membership":"Include the complete flask silhouette and its enclosed liquid, bubbles, and graduation marks throughout rocking and deformation. Exclude the white panel.","id":"obj_024","temporal":{"status":"found","start_s":20.25,"end_s":23.0,"reference_s":21.75,"evidence":"目标是放大灯泡右侧、右上白色面板内的浅青色锥形烧瓶，内含品红液体、黄色带、气泡和刻度。20.25秒首次呈现完整烧瓶，虽因旋转显得较窄，仍属完整形体；前一帧20.00秒该面板为空。此后摇摆和变形均保留，最后合格帧为22.75秒，视频于23.00秒结束，无后续帧。选择21.75秒，烧瓶轮廓与内部细节清晰、无遮挡。","start_frame":486,"end_frame":552,"reference_frame":522},"grounding":{"status":"found","bbox_xyxy":[663,84,810,435],"positive_points":[[735,106],[734,230],[730,285],[738,326],[687,408],[787,408]],"negative_points":[[652,255],[829,360],[739,473],[266,250]],"evidence":"目标是右上白色面板内的浅青色锥形烧瓶，内有洋红液体、黄色带、气泡和浅色刻度。边界框紧贴瓶口至瓶底的完整可见轮廓；六个正点分布于瓶颈、瓶肩、黄色带和底部液体，负点位于瓶外白色背景及左上灯泡上。"}},{"name":"Website laptop — enlarged presentation","description":"The lower-left panel beneath the enlarged bulb presents an opening dark laptop. Its webpage has green top and bottom bars, white horizontal text lines, and a blue image block.","membership":"Include the complete laptop base, screen frame, and enclosed webpage throughout opening and assembly. Exclude the white panel.","id":"obj_025","temporal":{"status":"found","start_s":22.0,"end_s":23.0,"reference_s":22.75,"evidence":"目标是放大灯泡下方左下白色面板内的网站笔记本，不包含面板。22.00秒底座与完整屏幕边框已出现，处于打开状态；后续网页内容变化不影响电脑本体成立。前一帧21.75秒仅有底座，屏幕尚未建立。最后合格帧为22.75秒，绿色栏、白色文字线和蓝色图片区清晰，故选为关键帧。目标持续至23.00秒视频结束，之后无采样帧。","start_frame":528,"end_frame":552,"reference_frame":546},"grounding":{"status":"found","bbox_xyxy":[169.5,618.1,364.1,862.5],"positive_points":[[191.4,648.6],[345.3,727.8],[222.7,747.2],[307.0,738.9],[252.3,809.7],[267.2,847.2]],"negative_points":[[140.6,722.2],[384.4,741.7],[265.6,912.5],[265.6,573.6]],"evidence":"目标位于左下白色面板，是带绿色上下栏、白色横向文字线和蓝色图片区的深色笔记本电脑。边界框紧贴完整屏幕边框及底座；正点覆盖网页各部分、屏幕边缘和底座，负点位于电脑四周的白色面板背景。"}}]}
+{"video_id":254,"video_type":"icons and abstract motion graphics","targets":[{"name":"Home icon","description":"White outline house at the upper left of the blue icon display, with a pitched roof, chimney, and doorway.","membership":"Includes the house outline, enclosed body, roof strokes, and chimney. Follows the doorway recess and excludes the surrounding background.","id":"obj_001","temporal":{"status":"found","start_s":1.5,"end_s":7.75,"reference_s":2.0,"evidence":"目标是蓝色图标展示区左上角的白色房屋轮廓，含尖屋顶、烟囱和门洞。首个完整帧为1.50秒；此前1.25秒左侧墙体仍未绘制完成。最后完整帧为7.50秒，随后7.75秒绿色转场遮罩将其覆盖，因此区间结束于7.75秒。选择2.00秒作为关键帧，房屋结构清晰完整、无遮挡，易于与相邻图标区分。","start_frame":36,"end_frame":186,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[71.9,213,140.1,325],"positive_points":[[105.2,215.7],[85.9,249.1],[131.3,223.1],[88.5,297.2],[123.4,300.9],[105.7,265.7]],"negative_points":[[60,275],[154,281],[106,350],[258,287]],"evidence":"目标是蓝色图标展示区左上方的白色房屋，具有尖屋顶、烟囱和门口凹槽。边界框紧贴屋顶、烟囱及房屋外轮廓；正点分布于屋顶线条、烟囱和规则包含的屋身内部，避开门口凹槽；负点位于房屋外的蓝色背景及右侧垃圾桶图标上。"}},{"name":"Blue-display trash can icon","description":"White rectangular wastebasket in the blue display's top row, second from the left; its handled lid tilts open and closes.","membership":"Includes the can body and its enclosed area, three interior strokes, and the moving lid and handle. Excludes the gap between the raised lid and body.","id":"obj_002","temporal":{"status":"found","start_s":2.0,"end_s":3.5,"reference_s":2.5,"evidence":"目标是蓝色画面顶排左起第二个白色垃圾桶，包含桶身、三条内部竖线及带把手的活动桶盖。2.00秒首次完整呈现；前一帧1.75秒第三条竖线尚未画完。最后合格帧为3.25秒，3.50秒内部第一条竖线开始被擦除，因此结束于3.50秒。选择2.50秒作为关键帧，桶盖打开，桶身和三条竖线清晰完整且无遮挡。","start_frame":48,"end_frame":84,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[230,187,282.3,333.3],"positive_points":[[251,200],[255.2,219.4],[241.7,256.5],[271.9,319.4],[258.3,286.1],[247.9,305.6]],"negative_points":[[214.6,287],[295.8,287],[255.2,361.1],[255.2,163.9]],"evidence":"目标是蓝色画面顶排左起第二个白色垃圾桶。框紧贴桶身、倾斜抬起的桶盖及把手；正点分布在把手、盖线、桶身内部和竖线上，负点位于目标四周的外部蓝色背景，避开桶内及盖身间隙。"}},{"name":"Alarm clock icon","description":"White twin-bell alarm clock in the blue display's top row, third from the left, with animated hands.","membership":"Includes the circular clock face and enclosure, hands, bells, and feet. Excludes surrounding background and gaps between external parts.","id":"obj_003","temporal":{"status":"found","start_s":1.5,"end_s":7.75,"reference_s":2.5,"evidence":"目标是蓝色画面顶排左起第三个白色双铃闹钟，包含圆形表盘、指针、双铃和支脚。1.50秒首次结构完整；前一帧1.25秒双铃及支脚仍在绘制。此后指针转动不影响完整呈现，最后合格帧为7.50秒；7.75秒绿色转场遮罩已覆盖目标。选择2.50秒作为关键帧，轮廓清晰完整且无遮挡。","start_frame":36,"end_frame":186,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[384.4,227.8,451.6,345.4],"positive_points":[[397.4,229.6],[438.0,229.6],[396.4,286.1],[418.0,295.4],[417.2,339.0],[435.4,341.7]],"negative_points":[[370,285],[465,285],[418,205],[420,370]],"evidence":"目标是顶排从左数第三个白色双铃闹钟。边界框紧贴双铃、圆形表盘及外壳、指针和底部双脚；六个正点分布在铃部、圆框、指针及脚部，四个负点位于闹钟四周的蓝色外部背景。"}},{"name":"Sun icon","description":"White circular sun with short radial rays in the blue display's top row, fourth from the left.","membership":"Includes the central circle and its enclosed area, plus the separate ray strokes. Excludes spaces between rays and the surrounding background.","id":"obj_004","temporal":{"status":"found","start_s":1.5,"end_s":4.5,"reference_s":2.5,"evidence":"目标是蓝色画面顶排从左数第四个白色太阳图标，由中央圆圈和独立短射线组成。首个完整帧为1.50秒；此前1.25秒圆圈和射线仍在绘制。最后完整帧为4.25秒，紧邻的4.50秒中央圆圈已开始被擦除，因此区间结束于4.50秒。选择2.50秒作为关键帧，太阳轮廓完整清晰，无遮挡且易与邻近图标区分。","start_frame":36,"end_frame":108,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[544.8,238,599.5,335.2],"positive_points":[[571.9,286.1],[560.1,286.1],[571.9,246.3],[594.3,286.1],[571.9,326.9],[556.3,258.3]],"negative_points":[[536.5,286.1],[608.9,286.1],[571.9,219.4],[571.9,355.6]],"evidence":"目标是顶排从左数第四个白色太阳图标。边界框紧贴中央圆形及所有独立光芒的可见范围；正点分布于圆内、圆周和不同方向的光芒上，负点位于图标四周且远离笔画的蓝色背景上。"}},{"name":"Circled checkmark icon","description":"White checkmark inside a large circular outline in the blue display's top row, fifth from the left; the strokes draw and retract.","membership":"Includes the circular boundary, its enclosed area when closed, and the checkmark. During partial drawing, follows the visible open strokes without completing missing segments.","id":"obj_005","temporal":{"status":"found","start_s":1.75,"end_s":4.0,"reference_s":2.5,"evidence":"目标是蓝色展示区顶行左起第五个白色圆圈勾选图标。1.75秒圆形边界和勾号首次完整建立；前一帧1.50秒的勾号仍未绘制完成。最后合格帧为3.75秒，4.00秒圆圈右侧开始擦除、出现缺口，因此区间结束于4.00秒。选择2.50秒作关��帧，圆圈和勾号清晰完整且无遮挡。","start_frame":42,"end_frame":96,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[694.3,221.3,769.3,354.6],"positive_points":[[731.8,223.1],[695.8,284.3],[767.2,287.0],[731.8,351.9],[727.1,302.8],[735.4,260.2]],"negative_points":[[666.7,287.0],[796.9,287.0],[731.8,175.9],[731.8,398.1]],"evidence":"目标是蓝色背景上方一排从左数第五个白色圆圈勾选图标。边界框紧贴完整圆形外缘，涵盖圆内区域和勾号；正点分布于圆周、勾号及规则包含的封闭内部，负点位于圆外上下左右的蓝色背景，远离图标边缘。"}},{"name":"Right arrow icon","description":"White horizontal right-pointing arrow at the far right of the blue display's top row.","membership":"Includes the shaft and two arrowhead strokes only. Excludes the open area between the arrowhead branches and surrounding background.","id":"obj_006","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.5,"evidence":"目标是蓝色画面顶行最右侧的白色右箭头，仅包含横向箭杆和两条箭头笔画。2.00秒首次绘制完整；此前1.75秒箭头分支仍未完全展开。最后合格帧为3.75秒，箭头虽向左移动但结构完整；4.00秒已明显开始淡出。选择2.50秒作为关键帧，箭头完整清晰、无遮挡且与相邻图标容易区分。","start_frame":48,"end_frame":96,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[866.15,247.22,914.58,320.37],"positive_points":[[871.35,283.8],[888.02,283.8],[898.96,257.41],[908.33,275],[907.81,293.52],[899.48,310.19]],"negative_points":[[854.17,284.26],[924.48,284.26],[890.63,226.85],[890.63,341.67]],"evidence":"目标是蓝色画面顶排最右侧的白色向右箭头。边界框紧贴水平箭杆和两条箭头斜线；六个正点分布在这三段白色笔画上，四个负点位于箭头整体外侧的蓝色背景，避开箭头分支之间的空白。"}},{"name":"Blue-display search icon","description":"White magnifying glass at the left of the blue display's middle row, with a circular lens and a short handle extending down-right.","membership":"Includes the lens boundary and enclosed area and the attached handle. Excludes surrounding background.","id":"obj_007","temporal":{"status":"found","start_s":1.75,"end_s":7.75,"reference_s":2.5,"evidence":"目标是蓝色画面中排最左侧的白色放大镜，圆形镜框连接向右下方伸出的短柄。1.50秒镜框仍有缺口、尚在绘制，1.75秒首次完整呈现；此后持续可见，最后合格帧为7.50秒。7.75秒绿色转场遮罩已覆盖目标，故区间结束。选择2.50秒作为关键帧，此时镜框和手柄清晰完整，无遮挡。","start_frame":42,"end_frame":186,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[101,500.9,155.7,597.2],"positive_points":[[124.5,503.2],[102.9,541.7],[124.5,542.6],[145.3,532.4],[125,580.6],[148.4,585.2]],"negative_points":[[87.5,541.7],[125,481.5],[166.7,555.6],[143.2,620.4]],"evidence":"目标是蓝色画面中排最左侧的白色放大镜。边界框紧贴圆形镜片及向右下延伸的短柄；正点分布在镜片轮廓、所包含的内部区域和柄上，负点位于图标外围的蓝色背景。"}},{"name":"Speech bubble icon","description":"White oval speech bubble in the blue display's middle row, second from the left, with a lower-left tail and animated dots.","membership":"Includes the bubble outline and enclosed area, its tail, and interior dots and strokes. Follows the tail's actual outline and excludes exterior background.","id":"obj_008","temporal":{"status":"found","start_s":2.25,"end_s":7.75,"reference_s":2.75,"evidence":"目标是蓝色画面中排左起第二个白色椭圆对话气泡，带左下尾部及动态圆点。2.25秒时轮廓和尾部已完整建立；此前2.00秒尾部仍在绘制。最后合格帧为7.50秒，7.75秒绿色转场遮罩已将其覆盖。选择2.75秒作为关键帧，气泡轮廓清楚、三个内部圆点可见且无遮挡。","start_frame":54,"end_frame":186,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[229.7,487.9,294.8,591],"positive_points":[[232.3,525.9],[254.2,490.7],[287,504.6],[252.6,530.6],[271.4,530.6],[244.3,583.3]],"negative_points":[[213.5,532.4],[307.3,523.1],[260.4,615.7],[260.4,462]],"evidence":"目标是中间一排左起第二个白色对话气泡，具有左下尾部和内部圆点。边界框紧贴气泡轮廓及尾部；正点分布在轮廓、内部圆点和尾部区域，负点位于气泡四周的外部蓝色背景，不涉及内部空白。"}},{"name":"Picture icon","description":"White framed landscape in the blue display's middle row, third from the left, containing mountain peaks and a small sun; the frame rocks.","membership":"Includes the outer picture frame, all enclosed area, inner border, mountains, and sun. Follows the frame as it rotates.","id":"obj_009","temporal":{"status":"found","start_s":2.75,"end_s":7.75,"reference_s":2.75,"evidence":"目标是蓝色画面中排左起第三个白色风景图片图标��包含外框、内框、山峰和太阳，随后整体摇摆旋转。首个完整帧为2.75秒；前一帧2.50秒的外框右下角尚未绘制闭合。最后合格帧为7.50秒，7.75秒时绿色转场遮罩已覆盖目标。选择2.75秒作为关键帧，因为图标完整、端正且无遮挡。","start_frame":66,"end_frame":186,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[382.8,463.9,453.6,601.9],"positive_points":[[387.5,473.1],[447.9,475.9],[397.4,518.5],[429.7,509.3],[414.6,557.4],[442.2,589.8]],"negative_points":[[364.6,527.8],[468.8,531.5],[418.8,438.9],[416.7,631.5]],"evidence":"目标是中间一排从左数第三个白色相框图标，内有山峰和小太阳。边界框紧贴外相框，涵盖框内全部区域；六个正点分布于相框及其内部，四个负点位于图标上下左右的外部蓝色背景。"}},{"name":"Bulleted list icon","description":"Three white circular bullets and horizontal lines in the blue display's middle row, fourth from the left.","membership":"Includes the three bullet outlines and their enclosed centers and the associated horizontal strokes as one list symbol. Excludes background gaps between rows and between bullets and lines.","id":"obj_010","temporal":{"status":"found","start_s":2.25,"end_s":3.75,"reference_s":2.5,"evidence":"目标是蓝色画面中排左起第四个由三个白色圆形项目符号及横线组成的列表图标。2.25秒首次完整绘成，前一帧2.00秒底部圆点和横线仍未完成；最后完整帧为3.50秒，随后3.75秒已开始擦除，下方项目缺失。选择2.50秒作为关键帧，三个圆点与横线清晰完整、无遮挡。","start_frame":54,"end_frame":90,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[546.4,495.4,604.7,574.1],"positive_points":[[552.1,504.6],[552.1,534.3],[552.1,564.0],[583.3,503.2],[590.6,533.3],[579.2,563.9]],"negative_points":[[526.0,532.4],[627.6,532.4],[573.0,460.2],[573.0,602.8]],"evidence":"目标是中间一排从左数第四个白色项目列表符号。边界框紧包三个圆形项目符号及对应横线；正点分别位于三个圆心和三条横线，负点位于符号四周的外部蓝色背景，避开内部间隙。"}},{"name":"Cloud upload icon","description":"White cloud with an upward arrow in the blue display's middle row, fifth from the left.","membership":"Includes the cloud contour and interior and the upload arrow extending through its lower opening. Follows the cloud lobes and concavities; excludes exterior background.","id":"obj_011","temporal":{"status":"found","start_s":2.0,"end_s":7.75,"reference_s":2.5,"evidence":"目标是蓝色画面中排左起第五个白色云朵及向上箭头。2.00秒云轮廓和上传箭头首次完整呈现；前一帧1.75秒仍在绘制，箭头尚未完成。最后合格帧为7.50秒，7.75秒绿色遮罩开始遮去目标。选择2.50秒作为关键帧，云轮廓和箭头清晰完整、无遮挡。","start_frame":48,"end_frame":186,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[687.5,479.6,770.3,599.1],"positive_points":[[720.8,502.8],[700,545.4],[755.2,548.1],[728.6,524.1],[733.3,546.3],[728.1,583.3]],"negative_points":[[671.9,537],[782.3,537],[729.2,453.7],[729.2,624.1]],"evidence":"目标为中排从左数第五个白色云上传图标，云下方开口处有向上箭头。边框紧贴云轮廓及箭头下端；六个正点分布于云内部各瓣及箭头，四个负点位于图标上下左右的外部蓝色背景。"}},{"name":"Cloud download icon","description":"White cloud with a downward arrow at the far right of the blue display's middle row.","membership":"Includes the cloud contour and interior and the downward arrow extending below it. Follows the cloud's lobes and concavities and excludes exterior background.","id":"obj_012","temporal":{"status":"found","start_s":2.25,"end_s":8.0,"reference_s":2.5,"evidence":"目标是蓝色画面中排最右侧的白色云朵及向下箭头。2.25秒云轮廓和箭头首次完整建立；前一帧2.00秒箭头尖端仍未绘制完成。最后合格帧为7.75秒，绿色遮罩尚未触及该图标；8.00秒图标已被遮罩移除。选择2.50秒作为关键帧，云轮廓与向下箭头清晰完整、无遮挡。","start_frame":54,"end_frame":192,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[841.1,475,924.5,609.3],"positive_points":[[875,504.6],[856.8,546.3],[901,527.8],[911.5,555.6],[882.3,564.8],[882.3,604.6]],"negative_points":[[822.9,541.7],[942.7,537],[880.2,444.4],[911.5,629.6]],"evidence":"目标是中间一行最右侧的白色云下载图标。边界框紧贴云朵轮廓及向下延伸的箭头；正点分布在云朵内部和箭头上，负点位于图标左右、上方及右下方的外部蓝色背景，避开云内区域。"}},{"name":"Location pin icon","description":"White teardrop-shaped map marker at the bottom left of the blue display, with a circular center.","membership":"Includes the marker's outer contour and enclosed area, central ring, and interior curved stroke. Follows the pointed bottom rather than a rectangular extent.","id":"obj_013","temporal":{"status":"found","start_s":2.25,"end_s":7.75,"reference_s":2.5,"evidence":"目标是蓝色画面左下角的白色水滴形定位标记，含尖底、中心圆环及内部弧线。2.25秒首次完整呈现，前一帧2.00秒中心线条仍在绘制；最后符合条件的帧为7.50秒，7.75秒绿色遮罩已将其覆盖。选择2.50秒作为关键帧，标记轮廓清楚且无遮挡。","start_frame":54,"end_frame":186,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[82.3,716.7,135.4,864],"positive_points":[[106.8,719.4],[85.4,743.5],[132.3,758.3],[118.8,776.9],[108.9,810.2],[108.9,855.6]],"negative_points":[[70,760],[148,815],[109,890],[258,746]],"evidence":"目标是图像左下角带圆形中心的白色水滴状定位标记。边界框紧贴外轮廓，包含顶部弧线和底部尖端；正点分布在外轮廓、中心圆环及规则包含的内部区域，负点位于标记外的蓝色背景和右侧灯泡图标上。"}},{"name":"Light bulb icon","description":"White bulb in the blue display's bottom row, second from the left, with a rounded glass outline and short screw base.","membership":"Includes the bulb outline, enclosed portions, interior highlight stroke, and base. Leaves any opening in the outline open and excludes brief radiating emphasis marks.","id":"obj_014","temporal":{"status":"found","start_s":2.5,"end_s":7.75,"reference_s":2.75,"evidence":"目标是蓝色画面底排左起第二个白色灯泡，包含玻璃轮廓、内部高光和短螺口底座，不含放射强调线。2.25秒时底座仍在绘制，2.5秒首次结构完整；轮廓原有开口属于设计。最后符合条件的帧为7.5秒，7.75秒绿色转场遮罩将其覆盖。选择2.75秒作为关键帧，灯泡清晰完整且没有放射强调线干扰。","start_frame":60,"end_frame":186,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[234.4,702.8,286.5,860.2],"positive_points":[[260.4,705.0],[242.7,738.9],[236.0,756.5],[247.9,805.6],[260.4,816.7],[256.3,854.6]],"negative_points":[[216.1,764.8],[304.7,801.9],[261.5,890.7],[420.8,778.7]],"evidence":"目标是底排从左数第二个白色灯泡。边框紧贴圆弧玻璃轮廓、内部高光和短螺口底座；正点分布在灯泡轮廓、高光及底座上，负点位于外围蓝色背景和右侧独立胶囊图标上，不标记灯泡内部空隙。"}},{"name":"Computer mouse icon","description":"White computer mouse tilted diagonally in the blue display's bottom row, third from the left, with button divisions and a central scroll detail.","membership":"Includes the rounded mouse boundary and enclosed area, button divider, scroll detail, and interior curved strokes. Follows its diagonal contour.","id":"obj_015","temporal":{"status":"found","start_s":2.5,"end_s":7.75,"reference_s":2.75,"evidence":"目标是蓝色画面底排左起第三个斜置的白色鼠标图标，具有圆润外轮廓、按键分隔线和滚轮细节。2.50秒首次完整呈现，2.25秒的外轮廓仍在绘制；最后符合条件的帧为7.50秒，7.75秒已被绿色转场遮罩移除。选择2.75秒作为关键帧，鼠标结构清晰完整且无遮挡。","start_frame":60,"end_frame":186,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[386.5,719.4,456.8,842.6],"positive_points":[[437,732.4],[446.9,754.6],[430.7,781.5],[416.1,764.8],[398.4,805.6],[407.3,825.9]],"negative_points":[[375,755.6],[468.8,775.9],[418.2,688.9],[418.8,868.5]],"evidence":"目标位于底排左起第三个，是斜置的白色鼠标图标。边界框紧贴完整鼠标轮廓，包含按键分隔线、滚轮细节及内部弧线。正点分布在鼠标两端、按键区域和轮廓内的主体区域；负点均位于鼠标四周的外部蓝色背景，不标记内部空隙。"}},{"name":"Leaf icon","description":"White pointed leaf in the blue display's bottom row, fourth from the left, with a diagonal stem and branching veins.","membership":"Includes the leaf boundary and enclosed blade, veins, and projecting stem. Follows the leaf contour and excludes surrounding background.","id":"obj_016","temporal":{"status":"found","start_s":2.5,"end_s":7.75,"reference_s":2.5,"evidence":"目标是蓝色画面底排左数第四个白色叶片，具有尖端、斜向伸出的叶柄和分叉叶脉。2.50秒首次轮廓及叶脉完整，前一帧2.25秒仍有轮廓缺口、尚在绘制。最后合格帧为7.50秒，7.75秒绿色转场遮罩已覆盖叶片。选择2.50秒作为关键帧，叶形清晰完整且无遮挡。","start_frame":60,"end_frame":186,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[541.7,706.5,606.3,817.6],"positive_points":[[597.4,724.1],[575.5,737.0],[553.1,754.6],[561.5,784.3],[579.7,790.7],[545.3,809.3]],"negative_points":[[531.3,748.1],[597.9,808.3],[575.5,685.2],[625.0,759.3]],"evidence":"目标是底排从左数第四个叶子图标，具有尖叶轮廓、斜向叶脉和伸出的叶柄。边界框紧贴完整叶片及叶柄；正点分布在叶片内部和叶柄上，负点位于叶片轮廓外的蓝色背景。"}},{"name":"Microphone icon","description":"White upright microphone on a short stand in the blue display's bottom row, fifth from the left.","membership":"Includes the rounded microphone capsule and its enclosed area, curved support, stem, and base strokes. Excludes open gaps around the support and temporary radiating emphasis marks.","id":"obj_017","temporal":{"status":"found","start_s":2.25,"end_s":7.75,"reference_s":2.5,"evidence":"目标是蓝色画面底排左起第五个白色直立麦克风，包含胶囊、弧形支架、短杆和底座，不含临时放射线。2.00秒仍有轮廓未绘制完成，2.25秒首次完整呈现；7.50秒为最后合格帧，7.75秒绿色转场遮罩将其覆盖。选择2.50秒作为关键帧，结构清晰完整且无遮挡。","start_frame":54,"end_frame":186,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[710.9,713.0,753.1,846.3],"positive_points":[[731.8,740.7],[731.8,780.6],[715.6,800.9],[747.9,800.9],[731.8,829.6],[742.2,843.5]],"negative_points":[[687.5,740.7],[770.8,750.0],[731.8,884.3],[731.8,671.3]],"evidence":"目标是底排从左数第五个白色直立麦克风。边界框紧贴圆头拾音胶囊、弧形支架、短竖杆和底座；正点分布在胶囊内部及支架、竖杆、底座笔画上，负点位于图标四周的外部蓝色背景，避开支架内部空隙。"}},{"name":"Paperclip icon","description":"White diagonal paperclip at the bottom right of the blue display, formed from nested rounded bends.","membership":"Includes the continuous bent strokes of the paperclip. Keeps its open ends and gaps open rather than filling the symbol's bounding area.","id":"obj_018","temporal":{"status":"found","start_s":2.5,"end_s":8.0,"reference_s":5.75,"evidence":"目标是蓝色画面右下角由嵌套圆弧弯折白线构成的斜向回形针，保留开放端和内部空隙。首个完整帧为2.50秒；前一帧2.25秒上端笔画仍有未绘完的断口。最后合格帧为7.75秒，此时绿色遮罩尚未遮住回形针；8.00秒目标已被覆盖。选择5.75秒作为关键帧，轮廓完整清楚且无遮挡。","start_frame":60,"end_frame":192,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[859.9,691.7,915.1,821.3],"positive_points":[[903.6,693.5],[913.5,711.1],[896.4,725.9],[882.8,783.3],[861.5,794.4],[875,818.5]],"negative_points":[[839,768],[936,772],[886,670],[888,852]],"evidence":"目标是蓝色画面右下角由白色连续弯折线条构成的斜向回形针。边界框紧贴其全部可见笔画；六个正点分布在顶部圆弯、内侧折返和底部外弯的白色线上，四个负点位于图标外围的蓝色背景，避开内部空隙。"}},{"name":"Newspaper icon","description":"White newspaper or article-sheet symbol at the upper left of the red display, with overlapping page edges, a small picture box, and animated text-like lines.","membership":"Includes the page outlines and enclosed surfaces, inset picture box, and interior line marks. Excludes surrounding background.","id":"obj_019","temporal":{"status":"found","start_s":9.25,"end_s":15.0,"reference_s":10.25,"evidence":"目标是红色画面左上角的白色报纸图标，具有重叠页边、小图片框和文字状线条。9.00秒时内部线条仍在初始绘制，9.25秒首次完整呈现；此后内部线条的循环变化不改变图标身份，最后合格帧为14.75秒。区间延续至视频结束，无后续采样帧。选择10.25秒作为关键帧，因页边、图片框和内部线条清晰且无遮挡。","start_frame":222,"end_frame":360,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[67.2,219.4,139.6,350],"positive_points":[[79.2,225.9],[94.3,252.8],[123.4,257.4],[94.3,295.4],[124.5,325.9],[71.4,331.5]],"negative_points":[[56.3,277.8],[148.4,277.8],[104.2,196.3],[106.8,370.4]],"evidence":"目标是画面左上方的白色报纸图标，具有重叠页边、小图片框和多条文字线。边界框紧贴完整图标，覆盖页轮廓及其内部区域；六个正点分布在页边、图片框和页面内部，四个负点位于图标四周的红色外部背景。"}},{"name":"Paper airplane icon","description":"White folded paper airplane in the red display's top row, second from the left, pointing diagonally upward-right.","membership":"Includes the airplane's outer contour, enclosed folded surfaces, and internal fold lines. Follows the notched silhouette and excludes detached motion dashes.","id":"obj_020","temporal":{"status":"found","start_s":8.75,"end_s":15.0,"reference_s":9.5,"evidence":"目标是红色展示区顶排左起第二个、朝右上方的白色纸飞机。8.50秒仍在逐步绘制，轮廓及折线尚未完整；8.75秒首次完整呈现，并持续至最后采样帧14.75秒。飞机的位移及外围独立运动短线不影响其连续性。区间到达视频末尾，之后没有采样帧。选择9.50秒作为关键帧，飞机轮廓、折叠面和内部折线清晰且无遮挡。","start_frame":210,"end_frame":360,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[220.8,218.5,291.7,343.0],"positive_points":[[234.4,299.1],[248.4,291.7],[263.0,258.3],[251.0,325.9],[272.4,313.0],[284.4,250.9]],"negative_points":[[209.4,296.3],[302.1,294.4],[270.8,198.1],[260.4,367.6]],"evidence":"目标是顶排左起第二个、朝右上方的白色纸飞机。边界框紧贴机尖、左翼与底部折角，涵盖完整轮廓和折叠面。六个正点分布在各折叠面及机尖附近；四个负点位于飞机外侧的红色背景，避开内部空隙。"}},{"name":"Takeaway cup icon","description":"White lidded takeaway cup in the red display's top row, third from the left, with a tapered body and horizontal bands.","membership":"Includes the cup body, lid, enclosed areas, and band lines. Follows the tapered body and lid overhang as the cup tilts.","id":"obj_021","temporal":{"status":"found","start_s":9.0,"end_s":15.0,"reference_s":10.25,"evidence":"目标是红色展示区顶排左起第三个白色外带杯，具有外伸杯盖、锥形杯身和横向带线。9.00秒首次完整呈现；前一帧8.75秒杯身右下轮廓仍未绘制完成。此后杯子虽有倾斜变化，结构持续完整，最后合格帧为14.75秒，区间延续至视频结尾15.00秒，无后续帧。选择10.25秒作为关键帧，杯盖、杯身和带线清晰且无遮挡。","start_frame":216,"end_frame":360,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[387.5,225.9,443.8,344.4],"positive_points":[[414.1,235.2],[391.1,257.4],[438.5,257.4],[411.5,275],[416.1,303.7],[416.1,332.4]],"negative_points":[[371.9,283.3],[455.7,282.4],[416.7,199.1],[416.7,366.7]],"evidence":"目标是顶排从左数第三个白色外带杯图标。边界框紧贴杯盖、外伸盖沿及渐窄杯身的可见轮廓；正点分布在杯盖、盖沿和杯身各横带之间的封闭区域，负点位于杯子四周、远离轮廓的红色外部背景。"}},{"name":"Slider controls icon","description":"Three white vertical adjustment tracks with circular knobs in the red display's top row, fourth from the left.","membership":"Includes the three rounded tracks and their enclosed areas and the moving knobs. Excludes the background gaps between tracks.","id":"obj_022","temporal":{"status":"found","start_s":9.0,"end_s":15.0,"reference_s":10.5,"evidence":"目标是红色展示区顶排左起第四个图标，由三条白色圆角竖轨和移动的圆形旋钮组成。8.75秒时轨道下端仍未绘制完整，9.0秒首次完整呈现；此后旋钮移动但图标持续完整，最后合格帧为14.75秒，区间延续至视频结束15.0秒，无后续帧。选择10.5秒作为关键帧，三条轨道及旋钮清晰完整、无遮挡。","start_frame":216,"end_frame":360,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[547.9,237,603.1,339.8],"positive_points":[[555.7,285.2],[555.7,322.2],[575.5,249.1],[575.5,279.6],[594.8,304.6],[594.8,327.8]],"negative_points":[[526,284.3],[625,286.1],[575.5,203.7],[575.5,376.9]],"evidence":"目标是顶排从左数第四个图标，由三条白色圆头竖向滑轨及圆形旋钮组成。边界框紧贴三条滑轨和旋钮的整体可见范围；六个正点分布在各轨道内部及旋钮上，四个负点位于图标上下左右的外部红色背景，避开轨道间隙。"}},{"name":"Eye icon","description":"White almond-shaped eye in the red display's top row, fifth from the left, with a circular iris.","membership":"Includes the eye's outer boundary and enclosed area and the iris and interior curved stroke. Follows the pointed ends of the eye.","id":"obj_023","temporal":{"status":"found","start_s":9.25,"end_s":15.0,"reference_s":10.5,"evidence":"目标是红色展示区首行从左数第五个白色杏仁形眼睛，含圆形虹膜及内部弧线。9.25秒首次完整呈现；前一帧9.00秒的虹膜仍未绘制闭合。此后持续出现，最后合格帧为14.75秒，区间延伸至视频结尾15.00秒，无后续采样帧。选择10.50秒作为关键帧，眼睛轮廓和内部结构清晰且无遮挡。","start_frame":222,"end_frame":360,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[691.1,241.7,772,330.6],"positive_points":[[697.4,287.9],[765.1,287.9],[731.3,246.3],[732.3,324.1],[718.2,277.8],[740.1,287]],"negative_points":[[731,218],[785,287],[677,286],[732,353]],"evidence":"目标是顶排从左数第五个白色杏仁形眼睛，内有圆形虹膜和弧线。边界框紧贴眼睛外轮廓并包含两端尖角；正点分布于外轮廓、虹膜及规则允许的眼内区域，负点位于眼睛上下左右的外部红色背景。"}},{"name":"Rocket icon","description":"White rocket angled upward-right at the far right of the red display's top row, with a circular window, fins, and a flame.","membership":"Includes the rocket body and enclosed area, window, fins, and outlined exhaust flame. Follows the fins and intervening concavities and excludes detached motion marks.","id":"obj_024","temporal":{"status":"found","start_s":9.25,"end_s":15.0,"reference_s":9.5,"evidence":"目标是红色画面顶行最右侧朝右上方倾斜的白色火箭，包含圆窗、尾翼和封闭的火焰轮廓。9.00秒火焰轮廓仍未绘制完整，9.25秒首次完整呈现；之后持续存在，最后合格帧为14.75秒，区间延伸至视频结束15.00秒，无后续帧。选择9.50秒作为关键帧，火箭各部分清晰完整且无遮挡。","start_frame":222,"end_frame":360,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[856.25,221.3,927.6,340.7],"positive_points":[[903.65,263.89],[911.98,246.3],[888.02,291.67],[872.92,270.37],[898.44,312.04],[873.96,295.37]],"negative_points":[[885.42,195.37],[943.75,277.78],[838.54,296.3],[890.63,365.74]],"evidence":"目标是顶排最右侧朝右上方倾斜的白色火箭。边界框紧贴箭体、圆窗、两侧尾翼及轮廓火焰的可见范围；正点分布在箭体内部、圆窗、尾翼和火焰轮廓上，负点位于火箭上下左右的外部红色背景。"}},{"name":"Red-display search icon","description":"White magnifying glass at the left of the red display's middle row, with a rounded handle extending down-left and a curved lens highlight.","membership":"Includes the lens boundary and enclosed area, interior highlight, and handle outline and enclosed area. Excludes surrounding background.","id":"obj_025","temporal":{"status":"found","start_s":9.25,"end_s":15.0,"reference_s":10.5,"evidence":"目标是红色展示区中排最左侧的白色放大镜，具有向左下延伸的圆角手柄及镜片内弧形高光。9.25秒首次完整呈现；前一帧9.0秒镜片轮廓仍有缺口，尚在绘制。此后持续完整可见，最后合格帧为14.75秒，区间延至视频结尾15.0秒，无后续帧。选择10.5秒作为关键帧，此时轮廓清晰、无遮挡，便于标注。","start_frame":222,"end_frame":360,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[64.1,478.7,134.9,609.3],"positive_points":[[107.8,482.4],[94.8,508.3],[123.4,518.5],[106.8,554.6],[80.7,579.6],[68.2,601.9]],"negative_points":[[57.3,509.3],[147.9,527.8],[108.9,632.4],[105.2,451.9]],"evidence":"目标是红色画面中排最左侧的白色放大镜，镜片内有弧形高光，圆头手柄朝左下延伸。边界框紧贴镜片及完整手柄；正点分布在镜片边界、内部、高光和手柄内，负点均位于图标外侧的红色背景。"}},{"name":"Musical notes icon","description":"White pair of musical notes joined by a double beam in the red display's middle row, second from the left.","membership":"Includes the two oval note heads and their enclosed areas, stems, and connecting beams. Excludes the open background between the stems.","id":"obj_026","temporal":{"status":"found","start_s":9.25,"end_s":15.0,"reference_s":10.5,"evidence":"目标是红色展示区中排左起第二个白色双音符，包含两个椭圆音符头、符干和双横梁。9.00秒仍有音符头与连接结构未画完，9.25秒首次完整呈现；之后持续可见至最后采样帧14.75秒，因此区间结束于视频末尾15.00秒，末尾无后续帧。选择10.50秒作为关键帧，音符轮廓清晰完整且无遮挡。","start_frame":222,"end_frame":360,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[215.6,499.1,282.3,613.0],"positive_points":[[228.6,594.4],[269.8,582.4],[239.6,558.3],[280.2,547.2],[258.9,509.3],[259.9,525.9]],"negative_points":[[203.1,555.6],[301.0,555.6],[255.2,472.2],[255.2,641.7]],"evidence":"目标是中间一排左起第二个白色双音符。边界框紧贴两个椭圆音符头、竖杆和双连接横梁；六个正点分别覆盖音符头内部、两根竖杆及两条横梁。四个负点位于图标外围的红色背景，未放在两杆之间或音符头内部。"}},{"name":"Record disc icon","description":"White circular record in the red display's middle row, third from the left, with a central hole and rotating curved groove marks.","membership":"Includes the outer disc boundary and enclosed surface, central rings, and groove strokes. Excludes exterior background.","id":"obj_027","temporal":{"status":"found","start_s":9.5,"end_s":15.0,"reference_s":10.5,"evidence":"目标是红色展示区中排左起第三个白色唱片图标，具有圆形外缘、中心孔及旋转的弧形唱纹。9.25秒时外缘和唱纹尚未绘制完整，9.5秒首次完整呈现；此后持续存在，最后合格帧为14.75秒。区间到达视频终点15.0秒，之后无采样帧。选择10.5秒作为关键帧，唱片轮廓和内部唱纹清晰且无遮挡。","start_frame":228,"end_frame":360,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[377.6,462,458.9,606.5],"positive_points":[[418.2,465.7],[379.9,533.3],[396.4,510.2],[418.2,525.9],[442.7,546.3],[418.8,602]],"negative_points":[[364.6,444.4],[468.8,527.8],[416.7,629.6],[573,509.3]],"evidence":"目标是中排左起第三个唱片图标，具有圆形外缘、中央圆环和弧形音轨。边界框紧贴完整唱片外缘；正点分布在外缘、中央圆环、音轨及所包含的盘面，负点位于唱片外的红色背景和右侧垃圾桶图标上。"}},{"name":"Red-display trash can icon","description":"White wastebasket in the red display's middle row, fourth from the left, with a broad rounded lid, top handle, and three outlined vertical slots.","membership":"Includes the can body and enclosed area, slots, lid, and handle. When the lid rises, excludes the background gap separating it from the body.","id":"obj_028","temporal":{"status":"found","start_s":10.0,"end_s":15.0,"reference_s":10.25,"evidence":"目标是红色画面中排左起第四个白色垃圾桶，具有宽圆角盖、顶部提手和三个竖向镂空槽。9.75秒时槽线仍未完全绘制，10.00秒首次结构完整；此后持续可见，最后合格帧为14.75秒。区间到达视频末尾，无后续采样帧。选择10.25秒作为关键帧，桶身、盖子、提手及三个槽均清晰且无遮挡。","start_frame":240,"end_frame":360,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[544.8,476.9,603.1,592.6],"positive_points":[[574,478.7],[548.4,501.9],[597.9,501.9],[555.2,556.5],[573.4,559.3],[592.7,586.1]],"negative_points":[[531.3,537],[614.6,540.7],[572.9,449.1],[572.9,620.4]],"evidence":"目标是红色画面中排左起第四个白色垃圾桶。边界框紧贴顶部提手、宽盖及桶身的完整可见范围；六个正点分布在提手、盖子两端和桶身内部，四个负点位于目标上下左右的外部红色背景。"}},{"name":"Partly cloudy weather icon","description":"White cloud with a small sun emerging behind its upper-left side in the red display's middle row, fifth from the left.","membership":"Includes the cloud boundary and enclosed area, visible sun arc, and weather-symbol rays. Follows the cloud lobes and excludes exterior gaps between rays.","id":"obj_029","temporal":{"status":"found","start_s":9.75,"end_s":15.0,"reference_s":10.25,"evidence":"目标是红色画面中排左起第五个白色天气图标，云朵左上方露出太阳圆弧及光芒。9.50秒云朵右侧轮廓仍有未绘完的缺口，9.75秒首次完整呈现；之后云朵和太阳持续可见，光芒有脉动变化，最后合格帧为14.75秒。区间延伸至视频末尾，无后续采样帧。选择10.25秒作为关键帧，此时云朵、太阳弧线和光芒清晰且无遮挡。","start_frame":234,"end_frame":360,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[676.6,487,772.4,596.3],"positive_points":[[729.2,548.1],[756.3,563],[703.1,568.5],[728.1,525.9],[703.1,508.3],[699,494.4]],"negative_points":[[666.7,562],[734.4,479.6],[729.2,618.5],[886.5,518.5]],"evidence":"目标是中间一排从左数第五个天气图标，云朵左上方露出太阳。边界框紧贴云朵轮廓、可见太阳弧线及光芒的整体范围。正点分布在云朵内部、太阳弧线和光芒上；负点位于图标外的红色背景及右侧独立雨云图标上。"}},{"name":"Rain cloud icon","description":"White cloud with three slanted rain strokes at the far right of the red display's middle row.","membership":"Includes the cloud outline and enclosed area and the separate rain strokes beneath it. Excludes background spaces between the rain strokes and outside the cloud.","id":"obj_030","temporal":{"status":"found","start_s":9.75,"end_s":15.0,"reference_s":10.0,"evidence":"目标是红色画面中排最右侧的白色雨云图标，包括云轮廓及下方斜雨线。9.50秒仍在绘制，云轮廓和雨线尚未完全建立；9.75秒首次完整呈现，此后雨线循环变化，但云图标持续存在，最后合格帧为14.75秒。区间达到视频末尾，没有后续采样帧。选择10.00秒作为关键帧，此时云形及三条雨线清楚完整、无遮挡。","start_frame":234,"end_frame":360,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[843.2,504.6,930.7,620.4],"positive_points":[[857.8,564.8],[885.4,535.2],[915.1,558.3],[875,591.7],[887,589.8],[895.8,598.1]],"negative_points":[[828.1,547.2],[941.1,555.6],[885.4,650.9],[729.2,555.6]],"evidence":"目标是中排最右侧带三条斜雨线的白色云图标。边界框紧贴云轮廓及下方雨线；三个正点位于云的封闭内部，另三个分别落在雨线上。负点位于目标外侧红色背景及左侧另一云图标内，避开雨线间隙。"}},{"name":"Snow cloud icon","description":"White cloud with small snowflake symbols at the bottom left of the red display.","membership":"Includes the cloud contour and enclosed area and the snowflake strokes beneath it. Excludes the background gaps between the cloud and flakes.","id":"obj_031","temporal":{"status":"found","start_s":10.0,"end_s":15.0,"reference_s":10.25,"evidence":"目标是红色画面左下角的白色雪云图标，包括云轮廓和下方雪花。10.00秒首次完整呈现；前一帧9.75秒的云轮廓和雪花仍在绘制。此后雪花动态变化，图标持续存在，最后合格帧为14.75秒，区间延至视频结束15.00秒，无后续帧。选择10.25秒作为关键帧，云形和两枚雪花清晰且无遮挡。","start_frame":240,"end_frame":360,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[57.3,740.7,144.8,854.6],"positive_points":[[76,797.2],[96.9,771.3],[127.6,790.7],[98.4,810.2],[94.8,830.6],[111.5,840.7]],"negative_points":[[46.9,782.4],[156.3,796.3],[78.1,883.3],[166.7,870.4]],"evidence":"目标是红色画面左下方带两枚雪花的白色云图标。边界框紧贴云轮廓及下方雪花的整体范围；四个正点分布在云的内部，两个正点位于雪花笔画上。负点均位于图标外侧的红色背景，避开云内区域及云与雪花之间的间隙。"}},{"name":"Briefcase icon","description":"White briefcase in the red display's bottom row, second from the left, with a top handle, curved flap edge, and central clasp.","membership":"Includes the case boundary and enclosed surface, flap lines, clasp, and handle. Excludes temporary rays around the clasp and exterior background.","id":"obj_032","temporal":{"status":"found","start_s":10.0,"end_s":15.0,"reference_s":10.5,"evidence":"目标是红色画面底排左起第二个白色公文包，具有提手、弧形翻盖和中央搭扣。9.75秒时提手与箱体边界仍未绘制完整，10.00秒首次结构完整，持续至最后采样帧14.75秒；搭扣周围的临时射线不影响主体完整性。区间到达视频末尾，没有后续帧。选择10.50秒作为关键帧，公文包轮廓清晰、无遮挡，便于标注。","start_frame":240,"end_frame":360,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[217.7,727.8,304.2,858.3],"positive_points":[[260.4,729.6],[229.2,768.5],[290.1,769.4],[261.5,806.5],[233.9,837.0],[287.0,838.0]],"negative_points":[[203.1,787.0],[320.8,797.2],[260.4,696.3],[260.4,888.9]],"evidence":"目标是底排左起第二个白色公文包图标，可由顶部提手、弧形包盖及中央搭扣识别。边界框紧贴提手与包体最外缘；六个正点分布在提手、包盖内表面、搭扣和下部包体内表面，四个负点位于包外上下左右的红色背景。"}},{"name":"Radio icon","description":"White rectangular radio in the red display's bottom row, third from the left, with a large circular speaker on the right, smaller upper-left knob, short grille lines, and top controls.","membership":"Includes the body boundary and enclosed surface, circular details, grille strokes, and projecting top controls. Excludes brief radiating emphasis marks above it.","id":"obj_033","temporal":{"status":"found","start_s":10.0,"end_s":15.0,"reference_s":10.5,"evidence":"目标是红色画面底排左起第三个白色收音机，具有矩形机身、右侧大圆扬声器、左上小旋钮、短格栅线和顶部控件。9.75秒时机身及圆形细节尚未绘制完整，10.0秒首次完整建立；此后持续可见至最后采样帧14.75秒，区间结束于视频末尾15.0秒，无后续帧。选择10.5秒作为关键帧，结构清晰且无遮挡；上方短暂放射强调线不计入目标。","start_frame":240,"end_frame":360,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[377.1,738,459.4,849.1],"positive_points":[[392.7,775],[432.3,799.1],[390.6,817.6],[385.4,835.2],[431.3,741.7],[451,832.4]],"negative_points":[[364.6,787],[472.9,787],[416.7,703.7],[416.7,875.9]],"evidence":"目标为底排左起第三个白色收音机图标，右侧有大圆形扬声器，左侧有旋钮和短格栅线。边界框紧贴机身及顶部凸出的控件；正点分布于顶部控件、旋钮、扬声器、格栅和机身内部表面，负点位于图标四周的外部红色背景，不包含内部空隙或上方强调线。"}},{"name":"Desk lamp icon","description":"White adjustable desk lamp in the red display's bottom row, fourth from the left, with a sloping arm, round joint, tilted shade, and horizontal base.","membership":"Includes the shade and its enclosed portions, visible bulb, joint, support arm, and base. Excludes open background gaps between parts and temporary light rays beneath the shade.","id":"obj_034","temporal":{"status":"found","start_s":10.0,"end_s":15.0,"reference_s":10.5,"evidence":"目标是红色展示区底排左起第四个白色台灯，具有倾斜灯罩、灯泡、圆形关节、斜支臂和水平底座。9.75秒时关节与底座等轮廓仍未绘制完整，10.00秒首次完整呈现；此后持续存在至最后采样帧14.75秒，视频在15.00秒结束，无后续帧。选择10.50秒作为关键帧，台灯结构清晰完整、无遮挡，且没有临时光线干扰。","start_frame":240,"end_frame":360,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[534.9,705.6,620.8,860.2],"positive_points":[[578.1,710.2],[595.8,754.6],[600,798.1],[544.3,753.7],[555.2,820.4],[572.9,857.4]],"negative_points":[[518,780],[632,759],[590,900],[649,845]],"evidence":"目标是底排从左数第四个白色可调台灯。边界框紧贴灯罩顶部、圆形关节、倾斜支架和水平底座的外缘；正点分布在灯罩及其内部、灯泡、关节、支架和底座，负点均位于台灯外侧的红色背景，避开各部件之间的空隙。"}},{"name":"Circular speaker icon","description":"White round speaker on two short feet in the red display's bottom row, fifth from the left, formed from concentric circles that draw and retract.","membership":"Includes the outer circular enclosure and enclosed face, concentric rings, center, and feet. During partial drawing, follows visible strokes without inventing missing circular segments.","id":"obj_035","temporal":{"status":"found","start_s":10.5,"end_s":12.75,"reference_s":11.0,"evidence":"目标是红色画面底排从左数第五个白色圆形扬声器，由同心圆、中心圆和两只短脚构成。10.5秒首次完整呈现，12.5秒为最后完整帧；此前10.25秒外圈右侧仍有未绘完的缺口，之后12.75秒圆环开始回缩、出现缺失。选择11.0秒作为关键帧，此时圆环和支脚完整清晰且无遮挡。","start_frame":252,"end_frame":306,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[692.7,716.7,768.2,854.6],"positive_points":[[730.7,718.5],[693.8,784.3],[730.7,784.3],[758.3,784.3],[706.3,846.3],[755.2,846.3]],"negative_points":[[671.9,777.8],[786.5,777.8],[729.2,685.2],[729.2,888.9]],"evidence":"目标是底排从左数第五个白色圆形扬声器，由同心圆和两只短脚构成。边界框紧贴外圆及双脚；正点覆盖外圈、内圈、中心和双脚，负点位于目标上下左右的外部红色背景。"}},{"name":"Ring binders icon","description":"Three white upright office binders at the bottom right of the red display; two stand together while the rightmost leans outward, each with a spine label and circular finger hole.","membership":"Includes the three binder outlines and enclosed spine surfaces, label boxes, and circular holes as one compact binder group. Follows each binder's contour and excludes background gaps between them.","id":"obj_036","temporal":{"status":"found","start_s":10.5,"end_s":11.75,"reference_s":10.75,"evidence":"目标是红色画面右下角的三个白色线框文件夹，两册直立、右侧一册外倾，均有书脊标签框和圆孔。10.50秒首次全部绘制完整，10.25秒右侧文件夹的轮廓和圆孔仍未完成。最后符合条件的帧为11.50秒，11.75秒该组已消失。选择10.75秒作为关键帧，三册结构清晰完整、无遮挡。","start_frame":252,"end_frame":282,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[854.7,724.1,936,861.1],"positive_points":[[865.6,761.1],[866.1,824.1],[885.4,762],[887,824],[909.9,761.1],[920.8,825]],"negative_points":[[838.5,788.9],[952.1,798.1],[893.2,695.4],[891.1,892.6]],"evidence":"目标是图像右下角的三个白色文件夹，其中右侧一个向外倾斜。边界框紧贴整组文件夹的可见外缘；六个正点分布在三个文件夹的书脊表面、标签及圆孔区域，四个负点位于整组外围的红色背景，不涉及文件夹内部或其间缝隙。"}}]}
+{"video_id":255,"video_type":"icons and abstract motion graphics","targets":[{"name":"Opening letter","description":"White document centered over the opening purple circle, with a folded upper-right corner, blue heading mark, gray writing, and a blue circular seal. It folds before being enclosed in an envelope.","membership":"Include the paper's visible outline, folded corner, writing, and seal, following its changing shape. Exclude the purple circle and the surrounding envelope.","id":"obj_001","temporal":{"status":"found","start_s":0.0,"end_s":2.25,"reference_s":1.0,"evidence":"目标是开场紫色圆中央的白色信纸，具有右上折角、蓝色标题、灰色文字及随后出现的蓝色圆章，不包括紫圆和信封。首个合格帧为0.00秒，纸张轮廓已完整；之后保留其折叠及被信封包裹时仍可见的纸张，最后合格帧为2.00秒。2.25秒信封完全闭合，白纸不再可见。区间起点为视频开头，无更早采样帧。选择1.00秒作为关键帧，此时信纸展开、圆章清楚且无遮挡。","start_frame":0,"end_frame":54,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[459.4,394.4,540.6,588.9],"positive_points":[[476.6,412.5],[532,412.5],[496.1,480.6],[469.5,506.9],[472.7,550],[530.5,575]],"negative_points":[[430.5,468.1],[571.1,487.5],[497.7,640.3],[656.3,722.2]],"evidence":"目标是紫色圆形中央的白色信纸，具有右上折角、蓝色标题标记、灰色文字和蓝色圆形印章。边界框紧贴纸张可见外缘，包含折角。正点分布在纸面、标题、折角、文字及印章处；负点位于纸张外的紫色圆形和外围浅色背景，不包含紫色圆形。"}},{"name":"Opening yellow envelope","description":"Yellow-and-orange envelope formed around the folded opening letter. Its flaps close, it turns to show gray address lines and a dark stamp, and it slides off the left edge.","membership":"Include the envelope body, flaps, enclosed area, visible inserted paper, address marks, and stamp. Follow its outline during folding and rotation. Exclude the purple circular backdrop.","id":"obj_002","temporal":{"status":"found","start_s":1.5,"end_s":4.5,"reference_s":3.25,"evidence":"目标是开场紫色圆形背景内包住折叠信纸的黄橙色信封，不含紫色背景。1.50秒信封展开的主体和各瓣已完整可见，随后合拢、旋转并显���地址线和邮票，均属同一次连续出现。最后合格帧为4.25秒，信封完整向左移动；此前1.25秒仅见折叠信纸，尚无信封，之后4.50秒信封离场时已被左边界裁切。选择3.25秒为关键帧，信封正面轮廓、地址线和邮票清晰且无遮挡。","start_frame":36,"end_frame":108,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[436.7,425,563.3,543.1],"positive_points":[[449.2,444.4],[510.9,445.8],[546.1,458.3],[464.8,491.7],[452.3,526.4],[548.4,525]],"negative_points":[[418,483.3],[582.8,493.1],[499.2,370.8],[498.4,612.5]],"evidence":"目标是紫色圆形中央的黄色信封，带有灰色地址线和深色邮票。边界框紧贴信封矩形外缘，包含信封主体、地址标记和邮票。六个正点分布在黄色表面及标记上，四个负点位于信封四周的紫色背景上。"}},{"name":"First upper-left document","description":"White page in the green upper-left grid cell, with a yellow heading mark, folded upper-right corner, and progressively revealed gray writing. It slides downward and disappears.","membership":"Include the complete paper silhouette, folded corner, and all marks on its surface. Exclude the green cell background.","id":"obj_003","temporal":{"status":"found","start_s":5.75,"end_s":7.5,"reference_s":6.75,"evidence":"目标是绿色左上网格内带黄色标题标记、右上折角和灰色文字的第一张白纸。5.75秒纸张轮廓及折角已完整建立；此前5.50秒折角尚未形成。文字随后逐渐增加，不影响纸张完整性。最后合格帧为7.25秒，纸张虽向下移动但仍完整可见；7.50秒已消失。选择6.75秒作为关键帧，此时纸张清晰完整、无遮挡。","start_frame":138,"end_frame":180,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[125.8,143.1,206.3,338.9],"positive_points":[[144.5,173.6],[164.8,206.9],[140.6,251.4],[189.8,293.1],[144.5,320.8],[196.1,161.1]],"negative_points":[[97.7,222.2],[230.5,236.1],[164.1,97.2],[168.8,380.6]],"evidence":"目标是左上绿色格子内带黄色标题标记和右上折角的白色文档。边界框紧贴整张纸的可见轮廓，包含折角及纸面灰色文字；六个正点分布在标题、文字、纸面和折角上，四个负点位于纸张四周的绿色背景。"}},{"name":"Presentation screen","description":"Freestanding presentation screen in the blue upper-middle grid cell. A dark frame and stand assemble around a white display that develops colored headings and a four-color bar chart, then rebuilds.","membership":"Include the screen surface and its contents, frame, supporting legs, and base. Follow the component outlines and exclude open spaces between the supports and the blue background.","id":"obj_004","temporal":{"status":"found","start_s":6.75,"end_s":10.25,"reference_s":8.25,"evidence":"目标位于蓝色上中网格，是带深色边框、支腿和底座的白色演示屏。6.75秒首次完整呈现，6.50秒屏幕表面仍在向下展开；此后标题和柱状图的变化不影响屏幕身份。最后合格帧为10.00秒，10.25秒完整屏幕已消失，仅剩重建的小点。选择8.25秒作为关键帧，屏幕、四色柱状图及支架清晰完整且无遮挡。","start_frame":162,"end_frame":246,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[432,151,564,335],"positive_points":[[438,160],[453,211],[507,248],[549,278],[525,316],[474,331]],"negative_points":[[405,243],[590,248],[498,381],[495,710]],"evidence":"目标位于上方中央蓝色格内，是带彩色标题和柱状图的独立演示屏。边界框紧贴屏面、深色框架、支腿及底座；正点分布在这些可见组件上，负点位于屏外蓝色背景和下方另一台显示器上，不标记支架之间的空隙。"}},{"name":"Conversation graphic","description":"Compact scrolling conversation in the orange upper-right grid cell, made of alternating teal and red speech bubbles with pale text lines and occasional yellow dots.","membership":"Include the speech-bubble bodies, tails, enclosed areas, text marks, and yellow dots as one conversation graphic. Exclude the orange background and gaps between bubbles.","id":"obj_005","temporal":{"status":"found","start_s":7.25,"end_s":10.0,"reference_s":8.75,"evidence":"目标位于右上橙色格内，由交替的青绿色、红色气泡及浅色文字、黄色圆点组成。7.25秒首次完成初始对话组合的呈现；前一帧7.00秒下方气泡的内容仍在揭示。随后滚动和新增消息属于同一对话图形的内容变化，最后合格帧为9.75秒；10.00秒整体开始淡出。选择8.75秒作为关键帧，气泡轮廓、尾部和文字清晰，便于区分背景。","start_frame":174,"end_frame":240,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[755.5,113.9,906.3,336.1],"positive_points":[[796.9,137.5],[886.7,159.7],[774.2,195.8],[832.0,248.6],[880.5,245.8],[783.6,302.8]],"negative_points":[[738.3,236.1],[921.9,173.6],[851.6,319.4],[832.0,76.4]],"evidence":"目标位于右上橙色格内，由四个交替排列的��绿色和红色对话气泡组成。边界框涵盖全部气泡主体、尾部、浅色文字线和黄色圆点。六个正点分布在各气泡及其内容上，四个负点位于整组图形外围的橙色背景。"}},{"name":"First folding map","description":"Map in the dark-blue lower-left grid cell, initially a flat white-bordered blue rectangle. It gains green terrain, trees, grid lines, accordion folds, and two location pins before disappearing.","membership":"Include the map sheet, white border, printed terrain and grid, fold surfaces, and location pins. Follow the folded outer silhouette rather than filling its external notches. Exclude the dark-blue background.","id":"obj_006","temporal":{"status":"found","start_s":5.25,"end_s":10.0,"reference_s":8.75,"evidence":"目标是深蓝色左下格中的第一张地图，包含白边纸面、地形网格、折面和定位针。5.25秒纸面已完整出现，虽在旋转，后续仅增加内部内容并折叠；此前5.00秒该格为空。最后合格帧为9.75秒，地图旋转变窄但仍完整可见；10.00秒已消失。选择8.75秒作为关键帧，此时折叠轮廓、地形及两个定位针均清晰可辨。","start_frame":126,"end_frame":240,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[109.4,648.6,219.5,837.5],"positive_points":[[121.1,675],[150.8,705.6],[201.6,680.6],[126.6,795.8],[165.6,804.2],[190.6,744.4]],"negative_points":[[89.8,737.5],[234.4,743.1],[164.1,618.1],[164.1,868.1]],"evidence":"目标是左下深蓝色格子中的折叠地图，带白边、蓝绿地形、网格和两个定位图钉。边界框紧贴地图折叠外轮廓，覆盖纸面及图钉。六个正点分布在地图不同折面、地形和图钉上；四个负点位于地图四周的深蓝背景中。"}},{"name":"Desktop monitor","description":"Desktop display in the coral lower-middle grid cell, with a dark bezel, silver lower strip and stand, blue screen, and a small login-style form. Its screen contents and assembled shape repeatedly update.","membership":"Include the display surface and all displayed content, bezel, lower casing, indicator, pedestal, and base. Exclude the coral background and open space around the stand.","id":"obj_007","temporal":{"status":"found","start_s":6.5,"end_s":10.25,"reference_s":8.25,"evidence":"目标是珊瑚色下方中间格内的台式显示器，包含深色边框、银色下壳、支柱与底座。6.50秒首次结构完整，此前6.25秒底座尚未组装完成；10.00秒为最后合格帧，屏幕内容虽变化，机身仍完整，10.25秒则已解体为小点。选择8.25秒作为关键帧，此时蓝色屏幕和登录表单清楚，整机无遮挡。","start_frame":156,"end_frame":246,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[435.2,658.3,560.9,840.3],"positive_points":[[437.5,694.4],[534.4,736.1],[496.1,720.8],[535.2,791.7],[497.7,818.1],[482.8,836.1]],"negative_points":[[414.1,736.1],[582,736.1],[460.2,825],[538.3,826.4]],"evidence":"目标位于下方中间的珊瑚色格内，可由蓝色登录界面、深色边框和银色支架识别。边界框紧贴显示器整体，涵盖屏幕内容、边框、下壳、指示灯、支柱和底座。正点分布在这些部件上；负点位于显示器两侧及支架两侧的珊瑚色背景，不包含支架周围空白。"}},{"name":"First lower-right letter","description":"White letter in the purple lower-right grid cell, with a blue heading mark, folded corner, gray writing, and circular blue seal. It folds into a small sheet before the yellow envelope closes around it.","membership":"Include the visible paper silhouette, folded portions, and all printed marks. Exclude the purple background and the envelope surrounding it.","id":"obj_008","temporal":{"status":"found","start_s":5.75,"end_s":8.75,"reference_s":7.5,"evidence":"目标是紫色右下格中的白色信纸，带蓝色标题、折角、灰色文字和蓝色圆印。5.75秒纸张轮廓及折角已完整建立；前一帧5.50秒尚未形成折角。随后信纸折叠并被黄色信封包住，8.50秒仍可见白色纸张部分，8.75秒信封完全闭合，纸张不再可见。选择7.50秒作关键帧，信纸完整清晰，文字及圆印均可辨认。","start_frame":138,"end_frame":210,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[788.3,648.6,871.9,841.7],"positive_points":[[807.0,666.7],[863.3,665.3],[831.3,736.1],[798.4,755.6],[810.2,806.9],[859.4,826.4]],"negative_points":[[765.6,715.3],[894.5,750.0],[828.1,888.9],[828.1,604.2]],"evidence":"目标是右下紫色格中的白色信纸，可见蓝色标题标记、右上折角、灰色文字和蓝色圆章。边界框紧贴整张纸及折角；正点分布在纸面、印刷标记和折角上，负点位于纸张四周的紫色背景，不包含其他物体。"}},{"name":"Returning upper-left document","description":"White page returning to the green upper-left cell after the first page leaves. It has a folded upper-right corner and initially a red heading mark; subsequent rebuilding changes the heading to yellow and later red again.","membership":"Include the complete visible paper, folded corner, heading mark, and gray writing throughout its rebuilding and color changes. Exclude the green background.","id":"obj_009","temporal":{"status":"found","start_s":8.25,"end_s":10.0,"reference_s":9.0,"evidence":"目标是绿色左上单元格中返回的白色文档，带红色标题、右上折角和灰色文字。8.25秒纸张与折角首次完整建立；前一帧8.0秒尚未呈现折角。9.75秒纸张虽在移动但仍完整，后一帧10.0秒已开始淡出，因此不并入后续重建。选择9.0秒作为关键帧，此时页面轮廓、折角和文字清楚且无遮挡。","start_frame":198,"end_frame":240,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[125.8,141.7,207,338.9],"positive_points":[[139,156],[145,174],[192,204],[144,270],[190,321],[199,164]],"negative_points":[[105,215],[229,248],[167,109],[168,374]],"evidence":"目标是左上绿色单元格内带右上折角、红色标题标记和灰色文字的白纸。边界框紧贴完整纸张及折角；六个正点分布在纸面、标题、文字与折角上，四个负点均位于纸张外的绿色背景。"}},{"name":"First grid envelope","description":"Yellow-and-orange envelope in the purple lower-right grid cell, enclosing the first grid letter. It folds shut and rotates to reveal an addressed yellow front with a dark stamp.","membership":"Include the envelope body, folding flaps, enclosed area, visible inserted paper, address lines, and stamp. Follow its changing outline. Exclude the purple cell background.","id":"obj_010","temporal":{"status":"found","start_s":8.0,"end_s":10.0,"reference_s":9.5,"evidence":"目标是紫色右下网格内包住第一封信的黄橙色信封。8.00秒首次出现完整展开的信封及内插白纸，随后折合、旋转并显示地址和深色邮票；9.75秒仍为完整信封，虽在移动但未消失。前一帧7.75秒仅见折叠白纸，尚无完整信封；后一帧10.00秒信封已开始淡出。选择9.50秒作关键帧，此时正面轮廓、地址线和邮票清晰。","start_frame":192,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[766.4,675,894.5,795.8],"positive_points":[[782,695],[830,700],[878,710],[796,742],[815,779],[876,774]],"negative_points":[[740,730],[920,738],[834,639],[831,834]],"evidence":"目标是右下紫色格中的黄色信封，正面可见地址横线和深色邮票。边界框紧贴信封完整外轮廓，包含封体、内部区域、地址线和邮票；六个正点分布在这些内容上，四个负点位于信封四周的紫色背景。"}},{"name":"Returning folding map","description":"Map reappearing in the dark-blue lower-left cell after that cell becomes empty. It rebuilds from a blank white rectangle into a blue-and-green gridded map with trees, accordion folds, and two location pins.","membership":"Include the map sheet, border, printed landscape, grid, fold surfaces, and location pins. Follow its actual folded outline, excluding external notches and the dark-blue background.","id":"obj_011","temporal":{"status":"found","start_s":10.25,"end_s":14.5,"reference_s":13.5,"evidence":"目标是深蓝色左下单元格清空后重新出现的地图。10.25秒地图纸张的完整表面和外边界已出现，随后增加网格、地形、折面和定位针；这些内部变化不延迟纸张的起点。前一帧10.00秒该格为空。最后合格帧为14.25秒，14.50秒开始整体淡出。选择13.50秒作为关键帧，因为折叠轮廓、地图印刷内容及两个定位针均清晰可见。","start_frame":246,"end_frame":348,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[108.6,648.6,219.5,837.5],"positive_points":[[123.4,677.8],[150.8,705.6],[192.2,680.6],[128.1,798.6],[170.3,788.9],[203.9,802.8]],"negative_points":[[93,740],[236,758],[160,614],[162,869]],"evidence":"目标位于左下深蓝色单元格，是带蓝绿网格、树木和两个定位图钉的折叠地图。边界框紧贴地图折叠外轮廓，覆盖纸张、白边、印刷内容及图钉。正点分布于地图上部、图钉及下部绿色折面；负点位于地图四周的外部深蓝背景，避开折边和内部区域。"}},{"name":"Returning lower-right letter","description":"White page rebuilding in the purple lower-right cell after the addressed envelope presentation. Its blue heading mark, folded corner, writing, and circular seal return before it folds for another envelope.","membership":"Include the visible paper outline, folds, heading, writing, and seal. Exclude the purple cell background and the later envelope around the paper.","id":"obj_012","temporal":{"status":"found","start_s":10.75,"end_s":13.0,"reference_s":12.25,"evidence":"目标是信封展示后在右下紫色格中重新出现的白色信纸。10.75秒纸张轮廓、蓝色标题标记和折角已完整建立，之后文字与圆形印章逐步返回；12.75秒仍是完整纸张折叠后的形态，为最后合格帧。此前10.50秒折角尚未形成；此后13.00秒已进入黄色信封包围纸��的展示，不纳入该目标。选择12.25秒作为关键帧，信纸展开清晰，折角、文字和印章均可辨认。","start_frame":258,"end_frame":312,"reference_frame":294},"grounding":{"status":"found","bbox_xyxy":[789.8,647.2,871.1,841.7],"positive_points":[[808.6,665.3],[860.9,665.3],[828.1,730.6],[797.7,763.9],[810.2,806.9],[861.7,827.8]],"negative_points":[[764.1,743.1],[896.9,736.1],[829.7,606.9],[828.1,887.5]],"evidence":"目标是右下紫色单元格中的白色信纸，可见蓝色标题标记、右上折角、灰色文字和蓝色圆形印章。边界框紧贴整张可见纸张；六个正点分布在标题、折角、文字、纸面及印章上，四个负点位于纸张四周的紫色背景。"}},{"name":"Returning grid envelope","description":"Yellow-and-orange envelope formed around the returning lower-right letter. Its flaps close, and it turns to show gray address lines and a dark stamp as the grid scene fades.","membership":"Include the envelope body, flaps, enclosed area, visible inserted paper, address marks, and stamp. Follow the true outline during folding and rotation. Exclude the purple background and scene-wide fading effects.","id":"obj_013","temporal":{"status":"found","start_s":13.0,"end_s":14.5,"reference_s":13.75,"evidence":"目标是网格右下角再次出现的信纸外形成的黄橙色信封，随后合拢、旋转并显示地址和邮票。13.00秒信封主体及展开的襟翼已完整建立；前一帧12.75秒仍只有折叠的白色信纸。最后合格帧为14.25秒，信封转至正面；14.50秒开始随整个场景淡出。选择13.75秒作为关键帧，闭合信封轮廓清楚且无遮挡，不包含紫色背景或全场淡出效果。","start_frame":312,"end_frame":348,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[788.3,701.4,873.4,781.9],"positive_points":[[800,719],[824,713],[860,719],[798,763],[829,761],[862,766]],"negative_points":[[766,734],[895,740],[833,673],[833,815]],"evidence":"目标是右下紫色面板中的黄橙色信封。边界框紧贴信封主体及闭合折盖的可见外缘；六个正点分布在上方黄色折盖、两侧及下方橙色主体，四个负点位于信封四周的紫色背景。"}}]}
+{"video_id":256,"video_type":"icons and abstract motion graphics","targets":[{"name":"Blue hatchback","description":"Teal-blue passenger car shown from the side in the first transportation display's upper-left cell, facing left.","membership":"The complete car, including body, windows, lights, and wheels; exclude the surrounding white background and grid.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":3,"reference_s":1.5,"evidence":"目标是首组交通工具画面左上格中朝左的青蓝色两厢车，包含车身、车窗、车灯和车轮。首个合格帧为0.00秒，整车已完整可见；最后合格帧为2.75秒。区间始于视频开头，没有更早采样帧；紧接的3.00秒帧中该车已消失，左上格改为警车。选择1.50秒作为关键帧，整车轮廓清晰、无遮挡且易于区分。","start_frame":0,"end_frame":72,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[24,216.7,231.8,351.9],"positive_points":[[40,305],[112,244],[152,285],[220,307],[58,324],[195,324]],"negative_points":[[130,175],[130,403],[246,290],[383,289]],"evidence":"目标是左上单元格内朝左的蓝绿色两厢车。边界框紧贴完整车体，包含车窗、车灯及两个车轮。正点分布在前后车身、车窗和车轮上；负点位于车外白色背景及右侧绿色汽车上，排除背景、网格和其他车辆。"}},{"name":"Red-and-white helicopter","description":"Side-view helicopter in the first transportation display's upper-right cell, with a long tail, overhead rotor, dark cockpit, and landing skids.","membership":"The complete helicopter, including rotor, tail, cabin, and skids. Include enclosed window areas, but exclude open background gaps between its external components.","id":"obj_002","temporal":{"status":"found","start_s":0.5,"end_s":3.0,"reference_s":1.5,"evidence":"目标是首组交通工具右上格的红白直升机，具有长尾、顶部旋翼、深色驾驶舱和滑橇。0.50秒首次完整呈现，持续至2.75秒；此前0.25秒尾部仍被格子左侧的揭示边界截断，之后3.00秒已被下一组交通工具替换。选择1.50秒作为关键帧，机身、尾部、旋翼和滑橇清晰完整且无遮挡。","start_frame":12,"end_frame":72,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[757.8,230.6,992.7,369.4],"positive_points":[[786.5,272.2],[943.2,250],[887.5,260.2],[864.6,308.3],[912.5,308.3],[893.2,365.7]],"negative_points":[[835,190],[946,415],[987,324],[704,310]],"evidence":"目标是右上单元格内的红白色侧视直升机。边界框覆盖尾翼、长尾、顶部旋翼、机舱和起落滑橇。六个正点分布在尾部、旋翼、旋翼轴、机身、驾驶舱和滑橇上；负点位于机外背景及左侧推土机上，避开组件间的空隙。"}},{"name":"TRANSPORTATION title","description":"White uppercase text reading \"TRANSPORTATION\" at the center of both vehicle displays.","membership":"The complete lettering only; exclude the gray backing rectangle, grid lines, and adjacent vehicle graphics.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":1.5,"evidence":"目标为两组车辆展示中央完整的白色大写“TRANSPORTATION”字母，不含灰色底板。首帧0.00秒已显示完整文字，随后缩放不影响纳入；文字跨车辆切换持续存在，最后合格帧为5.50秒。5.75秒已替换为“TRAVEL”。区间始于视频开头，无更早采样帧。选择1.50秒作为关键帧，文字清晰完整且无遮挡。","start_frame":0,"end_frame":138,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[371.4,481.5,634.4,524.1],"positive_points":[[380.2,487.0],[434.9,504.6],[475.0,509.3],[515.1,509.3],[573.4,487.0],[629.2,504.6]],"negative_points":[[468.8,538.0],[546.9,465.7],[382.3,282.4],[671.9,592.6]],"evidence":"目标是图像中央灰色底板上的白色大写“TRANSPORTATION”。边界框仅包围完整文字，不含灰色底板。六个正点分布在文字左、中、右部的字母笔画上；负点位于文字上下的灰色底板、上方绿色汽车及右下方外部空白处。"}},{"name":"Yellow taxi","description":"Yellow side-view hatchback with a roof sign and black checker markings in the first transportation display's lower row, second cell.","membership":"The entire taxi, including roof sign, windows, checker markings, lights, body, and wheels; exclude surrounding background.","id":"obj_004","temporal":{"status":"found","start_s":0.25,"end_s":3.0,"reference_s":1.0,"evidence":"目标是首个交通工具展示下排第二格的黄色侧视出租车，带车顶标志、黑色棋盘纹和两只车轮。首个合格帧为0.25秒，整车结构已完整显示；此前0.00秒仍处于淡入状态。最后合格帧为2.75秒，随后3.00秒已切换为另一组交通工具，出租车消失。选择1.00秒作为关键帧，整车清晰、无遮挡，便于标注。","start_frame":6,"end_frame":72,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[272.4,678.7,476.6,829.6],"positive_points":[[355.7,688.9],[338.5,724.1],[285.4,772.2],[388.5,756.5],[309.4,800.9],[442.7,800]],"negative_points":[[375,639],[373,875],[250,752],[577,779]],"evidence":"目标是下排第二格的黄色侧面出租车，具有车顶标志和黑色棋盘格标记。边界框紧贴整车，涵盖车顶标志、车窗、车身、灯和车轮。正点分布在车顶标志、车窗、黄色车身、棋盘格及两个车轮上；负点位于车外上方、下方、左侧背景和右侧船只上。"}},{"name":"Motor yacht","description":"Long motor yacht in the first transportation display's lower row, third cell, with a charcoal hull, white cabin, and three blue portholes.","membership":"The complete boat silhouette and its internal details, including hull, cabin, windows, and portholes; exclude surrounding white space.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":3,"reference_s":1.5,"evidence":"目标是首组交通工具下排第三格的机动游艇，具有深灰船身、白色船舱、深色窗及三个蓝色舷窗。0.00秒虽较小且倾斜，但完整船体及内部细节已可见，属于完整对象的缩放旋转；最后符合帧为2.75秒。3.00秒该游艇消失，画面换为另一组交通工具。视频起点之前无采样帧。选择1.50秒作关键帧，此时游艇轮廓清楚、无遮挡。","start_frame":0,"end_frame":72,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[508.3,716.7,737.5,814.8],"positive_points":[[536.5,779.6],[716.7,798.1],[677.1,747.2],[623.4,740.7],[666.7,726.9],[587.5,779.6]],"negative_points":[[620,657],[625,861],[442.7,768.5],[833.3,759.3]],"evidence":"目标位于下排第三格，可由深灰色长船体、白色船舱和三个蓝色舷窗识别。边界框覆盖完整游艇轮廓及内部细节；正点分布于船体、舱顶、窗户和舷窗，负点位于船外上下方空白及相邻出租车、救护车上。"}},{"name":"Green front-view car","description":"Green passenger car viewed head-on in the first transportation display's upper row, second cell.","membership":"The complete car, including mirrors, windshield, headlights, grilles, body, and visible tires; exclude surrounding background.","id":"obj_006","temporal":{"status":"found","start_s":0.25,"end_s":3.0,"reference_s":1.5,"evidence":"目标是首组交通工具展示上排第二格的绿色正面轿车。0.25秒首次完整显示车身、后视镜、挡风玻璃、车灯、格栅及轮胎，至2.75秒持续完整可见；前一帧0.00秒尚未出现，后一帧3.00秒已被下一组交通工具展示替换。选择1.50秒作为关键帧，此时车辆正面形状清晰、无遮挡，便于标注。","start_frame":6,"end_frame":72,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[320.8,201,443.8,367.6],"positive_points":[[380.7,228.7],[326,243],[427,298],[385,278],[333,351],[432,352]],"negative_points":[[382,170],[300,292],[464,290],[383,402]],"evidence":"目标是上排第二格中正面朝向观众的绿色汽车。边界框覆盖车身、两侧后视镜、挡风玻璃、车灯、格栅及可见轮胎。正点分布在挡风玻璃、左后视镜、右车灯、绿色车身和两侧轮胎上；负点位于车辆上、下、左、右的外部白色背景。"}},{"name":"Yellow bulldozer","description":"Tracked yellow bulldozer in the first transportation display's upper row, third cell, with a front blade and rear ripper.","membership":"The complete machine, including cab, exhaust, body, tracks, blade, ripper, and connecting arms. Exclude open background gaps outside its structural outlines.","id":"obj_007","temporal":{"status":"found","start_s":1.0,"end_s":3.0,"reference_s":1.5,"evidence":"目标是首组交通工具上排第三格的黄色履带推土机，具有前铲、后松土器和驾驶室。1.00秒首次完整呈现，包括排气管及连接臂；此前0.75秒排气管等结构仍在展开。最后合格帧为2.75秒，3.00秒该机器消失并切换至下一组交通工具。选择1.50秒作为关键帧，整机轮廓清晰且无遮挡。","start_frame":24,"end_frame":72,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[511.5,193.5,727.6,372.2],"positive_points":[[525.5,339.8],[628.6,238],[586.5,226.9],[573.4,277.8],[651,347.2],[713.5,284.3]],"negative_points":[[533.3,222.2],[622.4,407.4],[382.8,281.5],[869.8,305.6]],"evidence":"目标是上排第三格的黄色履带推土机。边界框覆盖驾驶室、排气管、车身、履带、前铲、后松土器及连接臂。正点分布在这些主要实体部件上；负点位于机器外的空白背景、左侧绿色汽车和右侧直升机上。"}},{"name":"Tow truck","description":"Dark gray recovery truck in the first transportation display's lower-left cell, with a raised lifting boom and rear loading ramp.","membership":"The whole truck, including cab, wheels, bed, ramp, boom, joints, and suspended lifting attachment. Exclude open background between the boom and truck bed.","id":"obj_008","temporal":{"status":"found","start_s":0.25,"end_s":3.0,"reference_s":1.5,"evidence":"目标是首组交通工具画面左下格的深灰色拖车，具有驾驶室、车轮、车床、后部斜坡、升起的吊臂和悬挂夹具。首个符合条件的采样帧为0.25秒，整车结构已可见；最后一帧为2.75秒。此前0.00秒尚未出现拖车，之后3.00秒已切换为另一组交通工具，拖车消失。选择1.50秒作为关键帧，整车轮廓清晰、位置稳定且无遮挡。","start_frame":6,"end_frame":72,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[16,627,246,837],"positive_points":[[35,779],[48,812],[120,648],[177,689],[128,794],[233,808]],"negative_points":[[35,596],[125,881],[252,762],[362,752]],"evidence":"目标是左下格带高举吊臂和后部斜坡的深灰色拖车。边界框覆盖驾驶室、车轮、车床、斜坡、吊臂、关节及悬挂吊具。正点分布于车身和各主要结构；负点位于整车外侧背景及右侧黄色出租车上，未标记吊臂与车床之间的空隙。"}},{"name":"Ambulance","description":"White emergency vehicle with red stripes and a small roof beacon in the first transportation display's lower-right cell.","membership":"The complete ambulance, including box body, cab, windows, markings, beacon, and wheels; exclude surrounding background.","id":"obj_009","temporal":{"status":"found","start_s":0.25,"end_s":3.0,"reference_s":1.5,"evidence":"目标是第一组交通工具画面右下格的白色救护车，具有红色条纹、车厢、驾驶室、车窗、车顶警灯和车轮。0.25秒首次完整呈现，2.75秒为最后一个符合条件的采样帧；此前0秒该格尚无救护车，此后3秒画面已切换，救护车消失并出现自行车。选择1.5秒作为关键帧，因为车辆轮廓完整清晰、无遮挡。","start_frame":6,"end_frame":72,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[781.8,690.7,982,847.2],"positive_points":[[835,701],[820,753],[919,713],[932,750],[827,823],[950,823]],"negative_points":[[700,788],[856,647],[993,750],[883,895]],"evidence":"目标是右下格内带红色条纹和车顶警灯的白色救护车。边界框覆盖完整车厢、驾驶室、车窗、标记、警灯及车轮。正点分布在红色车顶条纹、车身标记、警灯、驾驶室和两个车轮上；负点位于左侧船只及车辆上方、右侧和下方的外部背景。"}},{"name":"Police car","description":"Black-and-white side-view car in the second transportation display's upper-left cell, bearing \"POLICE\", a yellow star, and a roof light.","membership":"The entire car, including its lettering, star, windows, lights, body, and wheels; exclude surrounding background.","id":"obj_010","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":4.5,"evidence":"目标是第二组交通工具左上格的黑白警车，带有“POLICE”字样、黄色星形标志和车顶警灯。3.25秒首次完整呈现，虽有倾斜但车身��车轮均完整；最后合格帧为5.50秒。前一帧3.00秒车身下部仍被遮罩截断，后一帧5.75秒已切换为旅行用品，警车消失。选择4.50秒作为关键帧，警车侧面清晰、无遮挡，文字及各部件易于辨认。","start_frame":78,"end_frame":138,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[31.3,221.3,229.2,353.7],"positive_points":[[119.8,226.4],[95.3,256.5],[43.2,304.6],[128.1,293.5],[69.8,326.9],[192.7,326.9]],"negative_points":[[125,180],[125,405],[246,300],[375,260]],"evidence":"目标是左上格带有“POLICE”文字、黄色星徽及车顶警灯的黑白警车。边界框紧贴整辆车，覆盖警灯、车窗、车身和两个车轮。正点分布在这些车辆部件及文字上；负点位于车外上方、下方、右侧背景及相邻货车上。"}},{"name":"Bicycle","description":"Light-blue bicycle in the second transportation display's lower-right cell, with a dark saddle and two large thin-rimmed wheels.","membership":"The bicycle's frame, fork, handlebars, saddle, drivetrain, pedals, and wheels. Include the areas enclosed by its closed wheel and frame outlines; exclude exterior background gaps.","id":"obj_011","temporal":{"status":"found","start_s":3.0,"end_s":5.75,"reference_s":4.5,"evidence":"目标是第二组交通工具画面右下格的浅蓝色自行车，具有深色车座、两只细轮圈及完整车架。首个合格帧为3.00秒，虽然尺寸较小，但自身结构已完整，后续只是放大和转动；最后合格帧为5.50秒。此前2.75秒该格显示救护车，之后5.75秒已切换为旅行用品画面，自行车消失。选择4.50秒作为关键帧，车辆清晰完整、无遮挡，便于标注。","start_frame":72,"end_frame":138,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[776.6,657.4,966.1,861.1],"positive_points":[[834.9,682.4],[889.6,661.1],[869.3,715.7],[858.3,799.1],[781.3,796.3],[930.2,795.4]],"negative_points":[[765.6,694.4],[958.3,675.9],[875,888.9],[623.4,740.7]],"evidence":"目标是右下单元格内的浅蓝色自行车，具有深色车座和两个大轮圈。边界框紧贴车把、车座、车架及两轮的整体可见范围，并包含封闭轮圈和车架内部。六个正点分布在车座、车把、车架、传动部位及两轮；负点位于车外背景和左侧热气球上，不标记自行车内部空隙。"}},{"name":"Blue motor scooter","description":"Light-blue step-through motor scooter in the second transportation display's upper row, third cell, facing right.","membership":"The complete scooter, including mirrors, handlebars, seat, body, fenders, and wheels. Follow its step-through concavity and exclude surrounding background.","id":"obj_012","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":4.5,"evidence":"目标是第二组交通工具展示中上排第三格、朝右的浅蓝色踏板摩托车，具有后视镜、车把、黑色座椅、踏板凹口和双轮。首个合格帧为3.25秒，整车结构已完整呈现，虽仍在旋转移动但应计入；3.00秒仅有初始显露的小碎片。最后合格帧为5.50秒，5.75秒已切换为旅行用品，摩托车消失。选择4.50秒作为关键帧，车体轮廓清楚且无遮挡。","start_frame":78,"end_frame":138,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[541.7,133.3,704.2,373.2],"positive_points":[[629.2,143.5],[648.4,177.8],[572.9,293.5],[661.5,301.9],[572.4,351.9],[680.2,350]],"negative_points":[[526.6,277.8],[583.3,185.2],[720.3,288.9],[624,412]],"evidence":"目标是上排第三格朝右的浅蓝色踏板摩托车。边界框覆盖顶部后视镜、车把、座椅、车身、挡泥板及两只车轮。六个正点分布在后视镜、车把、前后车身和两轮上；四个负点位于车外的上下左右背景，避开踏板凹口及内部空隙。"}},{"name":"Tracked excavator","description":"Yellow excavator in the second transportation display's lower row, second cell, with a long articulated arm and gray digging bucket.","membership":"The whole excavator, including cab, body, exhaust, tracks, arm, hydraulic components, and bucket; exclude the open background beneath and around the arm.","id":"obj_013","temporal":{"status":"found","start_s":3.5,"end_s":5.75,"reference_s":4.5,"evidence":"目标是第二组交通工具下排第二格的黄色履带挖掘机，具有长铰接臂和灰色挖斗。3.50秒首次完整呈现车身、驾驶室、排气管、履带和挖掘臂；此前3.25秒排气管等结构尚未完整显现。最后合格帧为5.50秒，5.75秒已切换为旅行用品，挖掘机消失。选择4.50秒作为关键帧，此时整机清晰、无遮挡，便于标注。","start_frame":84,"end_frame":138,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[271.4,639.8,489.6,854.6],"positive_points":[[295,774],[354,752],[336,831],[410,684],[476,729],[468,831]],"negative_points":[[400,900],[253,768],[512,773],[620,719]],"evidence":"目标是下排第二格的黄色履带挖掘机。边界框覆盖车身、驾驶室、排气管、履带��长关节臂、液压组件及灰色铲斗。六个正点分布在车身、驾驶室、履带、臂的不同部分和铲斗上；负点位于目标外围背景及右侧独立的热气球上。"}},{"name":"Hot-air balloon","description":"Red-and-white vertically striped hot-air balloon with a small yellow basket in the second transportation display's lower row, third cell.","membership":"The complete balloon envelope, suspension lines, and basket; exclude surrounding background and open space between the suspension lines.","id":"obj_014","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":4.5,"evidence":"目标是第二组交通工具画面下排第三格的红白竖条纹热气球，包含完整球囊、悬挂线和黄色吊篮。首个合格帧为3.25秒，虽仍在缩放，但自身结构已完整；前一帧3.00秒仅见初始显现的黄色小部件。最后合格帧为5.50秒，下一帧5.75秒已切换为旅行用品，目标消失。选择4.50秒作为关键帧，热气球形状清晰、无遮挡，便于空间标注。","start_frame":78,"end_frame":138,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[573.4,617.6,675.5,884.3],"positive_points":[[581.8,701.9],[616.7,657.4],[655.7,702.8],[632.8,761.1],[629.2,840.7],[622.9,867.6]],"negative_points":[[554.7,694.4],[691.7,722.2],[622.4,917.6],[870.0,738.9]],"evidence":"目标是下排第三格的红白竖条纹热气球。边界框紧贴完整球囊、悬挂线和黄色吊篮；正点分布在球囊不同部位、右侧悬挂线及吊篮上，负点位于球外背景和右侧自行车上，避开悬挂线之间的空隙。"}},{"name":"Blue bus","description":"Long light-blue passenger bus in the second transportation display's lower-left cell, with a row of pale windows and two visible wheels.","membership":"The complete bus, including roof fixture, windows, body, lights, and wheels; exclude surrounding background.","id":"obj_015","temporal":{"status":"found","start_s":3.5,"end_s":5.75,"reference_s":4.5,"evidence":"目标是第二组交通工具画面左下格的浅蓝色长公交车，具有车顶装置、一排浅色车窗和两个车轮。3.50秒首次完整呈现，虽略有倾斜但结构齐全；5.50秒为最后符合条件的帧。前一帧3.25秒公交车仍被画面下边界裁切，后一帧5.75秒已切换为旅行用品画面，公交车消失。选择4.50秒作为关键帧，车身平正、轮廓清晰且无遮挡。","start_frame":84,"end_frame":138,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[15.6,702.8,236.5,850],"positive_points":[[175,705.8],[55.7,740],[206.8,740.7],[119.8,787],[65.6,823],[181.8,822.2]],"negative_points":[[127.6,662.9],[127.6,895.4],[251.6,814.8],[294.3,775]],"evidence":"目标为左下格内的浅蓝色长客车，具有一排浅色车窗和两个可见车轮。边界框紧贴车顶附件、车身及车轮的完整外缘；正点分布在车顶附件、车窗、车身和两个车轮上，负点位于车外上下及右侧背景和邻近挖掘机上。"}},{"name":"Box truck","description":"Delivery truck in the second transportation display's upper row, second cell, with a dark gray cab and yellow rectangular cargo box.","membership":"The entire truck, including cab, cargo box, chassis, lights, windows, and wheels; exclude surrounding background.","id":"obj_016","temporal":{"status":"found","start_s":3.5,"end_s":5.75,"reference_s":4.5,"evidence":"目标是第二组交通工具上排第二格的厢式货车，具有深灰色驾驶室、黄色矩形货箱及完整车轮和底盘。首个合格帧为3.50秒，虽有倾斜但整车已完整呈现；3.25秒仅见少量黄色露出，尚未完成揭示。最后合格帧为5.50秒，5.75秒已切换为旅行用品，货车消失。选择4.50秒作为关键帧，整车清晰、无遮挡且姿态平稳。","start_frame":84,"end_frame":138,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[271.4,182.4,478.6,374.1],"positive_points":[[365,240],[459,285],[288,310],[372,331],[305,352],[439,352]],"negative_points":[[373,143],[255,304],[493,280],[375,420]],"evidence":"目标是上排第二格内的送货卡车，具有深灰色驾驶室和黄色矩形货箱。边界框紧贴整辆车，涵盖驾驶室、车窗、货箱、底盘、车灯和两个车轮。六个正点分布在货箱、驾驶室、底盘及车轮上；四个负点位于车辆上、下、左、右的外部背景。"}},{"name":"Passenger airplane","description":"White passenger airplane with yellow wings and tail surfaces and a row of blue windows in the second transportation display's upper-right cell.","membership":"The complete airplane, including fuselage, wings, tail, cockpit, and passenger windows; follow the aircraft outline and exclude surrounding background.","id":"obj_017","temporal":{"status":"found","start_s":3.75,"end_s":5.75,"reference_s":4.25,"evidence":"目标是第二组交通工具画面右上格内的白色客机，具有黄色机翼和尾翼、蓝色舷窗。首个完整呈现帧为3.75秒，最后合格帧为5.50秒；此前3.50秒机尾尚未完整���示，之后5.75秒已切换为旅行用品画面，飞机消失。选择4.25秒作为关键帧，飞机轮廓完整清晰且无遮挡。","start_frame":90,"end_frame":138,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[775,201,967,359],"positive_points":[[789,239],[862,227],[895,278],[867,315],[950,266],[841,265]],"negative_points":[[830,175],[936,362],[758,316],[972,219]],"evidence":"目标位于右上单元格，是白色机身、黄色机翼和尾翼、带蓝色舷窗的客机。边框紧贴完整飞机的可见轮廓；六个正点分布在尾翼、上下机翼、机身、驾驶舱及舷窗上，四个负点位于飞机外围的空白背景。"}},{"name":"Beach umbrella","description":"Beach umbrella with red, white, yellow, and blue canopy sections and a pale pole in the first travel display's upper row, second cell.","membership":"The complete canopy and pole, including the canopy's interior color sections; exclude background beneath the open canopy and around the pole.","id":"obj_018","temporal":{"status":"found","start_s":5.75,"end_s":8.5,"reference_s":7.0,"evidence":"目标是首组旅行展示上排第二格的沙滩伞，具有红、白、黄、蓝相间的伞面和浅色伞杆。5.75秒时完整伞面与伞杆已可见，伞面虽呈收拢的窄形，属于完整物体的展开变化；此前5.5秒仍为交通工具展示。最后符合条件的帧为8.25秒，8.5秒已切换展示且伞消失。选择7.0秒，伞面完全展开、轮廓清楚且无遮挡，便于标注。","start_frame":138,"end_frame":204,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[300.5,137,459.9,422.2],"positive_points":[[328.1,160.2],[391.1,197.2],[342.7,191.7],[446.4,240.7],[368.2,278.7],[348.4,381.5]],"negative_points":[[286.5,222.2],[442.7,351.9],[322.9,444.4],[479.2,166.7]],"evidence":"目标是上排第二格的彩色沙滩伞。边界框紧贴红、白、黄、蓝伞面及向左下延伸的浅色伞杆；六个正点分布在各色伞面和伞杆上，四个负点位于伞外及伞面下方远离伞杆的背景。"}},{"name":"World travel map","description":"Folded blue-and-green world map in the first travel display's upper row, third cell, showing red destination marks and white dashed routes.","membership":"The complete map sheet, including its boundary, folds, land and ocean areas, destination marks, and routes; exclude surrounding background.","id":"obj_019","temporal":{"status":"found","start_s":5.75,"end_s":8.5,"reference_s":7.5,"evidence":"目标是首组旅行展示上排第三格的蓝绿折叠世界地图，后续出现红色目的地标记和白色虚线路线。5.75秒地图纸张边界与折面已完整可见，虽仍在展开，仍属完整对象；8.25秒为最后合格帧。前一帧5.5秒仍是交通工具展示，后一帧8.5秒地图已消失。选择7.5秒作为关键帧，地图展开清晰，标记和路线完整且无遮挡。","start_frame":138,"end_frame":204,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[538,138,720,353],"positive_points":[[557,188],[605,186],[693,197],[562,307],[625,298],[697,320]],"negative_points":[[625,100],[520,249],[733,250],[625,395]],"evidence":"目标是上排第三格的折叠世界地图，蓝色海洋、绿色陆地上有红色目的地标记和白色虚线路线。边界框覆盖完整地图纸张及其折边；六个正点分布于地图各折页的上下区域，四个负点位于地图上、下、左、右的外部背景。"}},{"name":"Compass","description":"Round green-rimmed compass in the first travel display's upper-right cell, with a white face, red-and-blue needle, and small top loop.","membership":"The entire compass, including outer rim, enclosed face, needle, dial marks, and top loop. Include the area enclosed by the loop; exclude surrounding background.","id":"obj_020","temporal":{"status":"found","start_s":6.25,"end_s":8.75,"reference_s":7.0,"evidence":"目标是首个旅行展示右上格的绿色圆框指南针，包含白色表盘、红蓝指针、刻度和顶部小环。6.25秒首次结构完整，虽有倾斜仍符合条件；此前6.00秒尚未出现顶部小环和完整刻度。最后合格帧为8.50秒，8.75秒该位置已换成正在出现的行李箱。选择7.00秒作为关键帧，指南针形状清晰、无遮挡，全部结构易于标注。","start_frame":150,"end_frame":210,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[824,148,934.5,370],"positive_points":[[891.7,160.2],[830.7,263.9],[894.8,214.8],[868.8,253.7],[888.5,287],[881.8,360.2]],"negative_points":[[796.9,217.6],[959.9,284.3],[876,412],[875,106.5]],"evidence":"目标是右上单元格内绿色圆框、白色表盘及红蓝指针的指南针。边界框紧贴整个指南针，包含顶部小环；正点分布在小环内部、外框、表盘和指针上，负点均位于指南针外围的白色背景。"}},{"name":"TRAVEL title","description":"White uppercase text reading \"TRAVEL\" centered across both travel-themed displays.","membership":"The complete lettering only; exclude the gray backing rectangle, grid lines, and adjacent illustrations.","id":"obj_021","temporal":{"status":"found","start_s":5.75,"end_s":10.0,"reference_s":7.0,"evidence":"目标是画面中央白色大写“TRAVEL”完整字母，不包含灰色底板。5.75秒首次完整显示，虽仍在缩放但文字已齐全；此前5.50秒显示的是“TRANSPORTATION”。文字连续跨越两组旅行主题展示，最后合格帧为9.75秒，并持续至视频结束，之后无采样帧。选择7.00秒作为关键帧，文字清晰、大小稳定且无遮挡。","start_frame":138,"end_frame":240,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[443.2,477.8,559.9,522.2],"positive_points":[[452.1,495.4],[467.2,503.7],[493.8,508.3],[513.0,512.0],[530.7,500.0],[547.9,507.4]],"negative_points":[[416.7,500.0],[588.5,500.0],[470.8,435.2],[479.2,574.1]],"evidence":"目标是图像中央灰色横条上的白色大写“TRAVEL”。边界框仅覆盖完整字母，不含灰色底板。六个正点分别位于六个字母的笔画上；负点位于文字左右的灰色底板及上下外部背景，避开字母间隙。"}},{"name":"Lifebuoy","description":"Red-and-white segmented life ring in the first travel display's lower row, second cell.","membership":"The full ring, including its outer boundary and enclosed central area; exclude background outside the outer circumference.","id":"obj_022","temporal":{"status":"found","start_s":5.75,"end_s":8.5,"reference_s":7.0,"evidence":"目标是首个旅行展示下排第二格的红白分段救生圈。5.75秒时完整环体已出现，虽尺寸较小但结构完整；此后缩放不影响纳入。最后符合条件的帧为8.25秒。前一帧5.5秒仍为交通工具展示，尚无救生圈；后一帧8.5秒救生圈已消失。选择7.0秒作为关键帧，环体清晰、无遮挡，外轮廓及中央区域易于标注。","start_frame":138,"end_frame":204,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[318.8,644.4,444.3,864.8],"positive_points":[[407.8,682.4],[332.8,715.7],[354.7,830.6],[427.1,805.6],[370.3,669.4],[382.8,758.3]],"negative_points":[[380.2,600],[295.8,761.1],[470.8,763],[380.2,905.6]],"evidence":"目标是下排第二格的红白分段救生圈。边界框紧贴救生圈外轮廓，涵盖完整环体及按要求纳入的中央区域；正点分布于红白环段和中央区域，负点位于外圆周之外的上下左右背景。"}},{"name":"Airline ticket pair","description":"Two overlapping white airline tickets with green and blue edges, airplane symbols, and dark printed lines in the first travel display's lower row, third cell.","membership":"Both complete ticket shapes and their printed contents, treated as one overlapping ticket unit; exclude surrounding background outside the ticket outlines.","id":"obj_023","temporal":{"status":"found","start_s":6.0,"end_s":8.5,"reference_s":7.0,"evidence":"目标是首个 TRAVEL 展示下排第三格内，带绿、蓝边及飞机图案和深色印刷线的两张重叠机票。6.00 秒两张票已完整出现，其中蓝边票因旋转而呈透视压缩，仍属完整物体；此前 5.75 秒只见尚未完整呈现的白色票面。最后合格帧为 8.25 秒，8.50 秒该机票组已消失。选择 7.00 秒作为关键帧，两张票轮廓及印刷内容清楚，便于标注。","start_frame":144,"end_frame":204,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[553.1,625.9,711.5,861.1],"positive_points":[[592.2,692.6],[623.9,682.4],[596.4,738.0],[656.8,695.4],[682.3,722.2],[640.1,808.3]],"negative_points":[[538.5,731.5],[728.1,805.6],[640.6,601.9],[632.8,898.1]],"evidence":"目标位于下排第三格，是带绿色和蓝色边条、飞机图案及深色印刷线的两张重叠机票。边界框覆盖两张机票完整的可见外形；六个正点分布在边条、票面、飞机和印刷内容上，四个负点位于票组外侧的空白背景。"}},{"name":"Red sunglasses","description":"Red-framed sunglasses with blue lenses in the first travel display's lower-right cell.","membership":"The complete sunglasses, including frame, bridge, visible arms, and enclosed lens areas; exclude background in exterior gaps around the frame.","id":"obj_024","temporal":{"status":"found","start_s":5.75,"end_s":8.5,"reference_s":7.0,"evidence":"目标是首个旅行展示右下格的红框蓝镜片太阳镜。5.75秒时虽较小且倾斜，但镜框、镜桥及镜片已完整呈现；最后合格帧为8.25秒。前一帧5.50秒该位置仍是自行车，后一帧8.50秒太阳镜已消失。选择7.00秒作为关键帧，此时眼镜形状清晰、大小稳定且无遮挡，便于标注。","start_frame":138,"end_frame":204,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[788.5,710.2,959.5,813.0],"positive_points":[[824,751],[920,751],[873,734],[793,726],[952,727],[812,803]],"negative_points":[[875,665],[875,860],[766,754],[978,753]],"evidence":"目标是右下单元格内红框蓝镜片的太阳镜。边界框紧贴完整眼镜，包含镜框、鼻桥、可见镜腿及镜片区域；正点分布在两侧镜片、鼻桥���镜框上，负点位于眼镜上、下、左、右的外部白色背景。"}},{"name":"Passport","description":"Burgundy passport booklet with a white globe emblem and the word \"PASSPORT\" in the first travel display's upper-left cell.","membership":"The complete booklet cover, its boundary, globe emblem, and lettering; exclude surrounding background.","id":"obj_025","temporal":{"status":"found","start_s":6.0,"end_s":8.5,"reference_s":7.0,"evidence":"目标是第一组旅行图标左上格中的酒红色护照，封面有白色地球徽记和“PASSPORT”字样。6.00秒时封面已完整出现，虽尺寸很小且倾斜，仍属完整对象；5.75秒尚未出现。最后合格帧为8.25秒，8.50秒已被替换而消失。选择7.00秒作为关键帧，此时护照较大、轮廓和文字清晰且无遮挡。","start_frame":144,"end_frame":204,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[70.8,140.7,176.6,378.7],"positive_points":[[82.3,181.5],[145.3,162.0],[103.1,354.6],[163.0,333.3],[122.4,236.1],[130.7,314.8]],"negative_points":[[52.1,231.5],[182.3,222.2],[125.0,407.4],[125.0,101.9]],"evidence":"目标位于左上单元格，是带白色地球徽标和“PASSPORT”字样的酒红色护照。边界框紧贴倾斜封面的完整外缘，包含徽标及文字；六个正点分布在封面各部位，四个负点位于护照四周的外部白色背景。"}},{"name":"Travel snapshot pair","description":"Two overlapping white-bordered snapshots in the first travel display's lower-left cell: a balloon on blue and a red starfish on yellow.","membership":"Both complete photograph cards, including white borders and enclosed image areas; exclude surrounding background outside the cards.","id":"obj_026","temporal":{"status":"found","start_s":6.5,"end_s":8.5,"reference_s":7.0,"evidence":"目标是首个旅行展示左下格中两张重叠的白边照片，分别为蓝底热气球和黄底红海星。6.50秒两张照片均已完整显现，最后符合条件的帧为8.25秒；此前6.25秒热气球照片仍在淡入，此后8.50秒照片对已消失。选择7.00秒作为关键帧，此时两张照片及白边清晰，重叠关系明确。","start_frame":156,"end_frame":204,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[66,627,192,869],"positive_points":[[114,688],[89,711],[85,751],[151,789],[175,778],[159,848]],"negative_points":[[57,676],[183,677],[203,810],[116,898]],"evidence":"目标位于左下单元格，是蓝底热气球与黄底红海星两张重叠照片。边界框覆盖两张完整卡片及白色边框；六个正点分布在两张照片的图像区域和白边上，四个负点位于卡片外侧的空白背景。"}},{"name":"Starfish","description":"Large red five-armed starfish with small yellow spots in the second travel display's upper-left cell.","membership":"The complete starfish silhouette and its spots; follow the concavities between arms and exclude surrounding background.","id":"obj_027","temporal":{"status":"found","start_s":9.5,"end_s":10.0,"reference_s":9.75,"evidence":"目标是第二组旅行图标左上格的红色五臂海星及黄色斑点。9.50秒起轮廓和各臂斑点均已完整呈现，持续至最后采样帧9.75秒；前一帧9.25秒下方臂的斑点尚未完成揭示。区间延伸至视频末尾10.00秒，之后无采样帧。选择9.75秒作为关键帧，海星完整清晰、无遮挡。","start_frame":228,"end_frame":240,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[65,148,203,382],"positive_points":[[134,267],[134,175],[80,246],[190,246],[98,357],[166,358]],"negative_points":[[98,183],[176,187],[133,414],[45,277]],"evidence":"目标是画面左上单元格内带黄色斑点的红色五臂海星。边界框紧贴完整海星的最外缘，覆盖五条腕及斑点；六个正点分布于中心和各腕，四个负点位于海星外部的白色背景，避开轮廓边缘。"}},{"name":"Hotel service bell","description":"Yellow domed service bell with a dark horizontal band and top button in the second travel display's upper row, third cell.","membership":"The complete bell, including button, dome, band, and base; exclude surrounding background.","id":"obj_028","temporal":{"status":"found","start_s":9.25,"end_s":10.0,"reference_s":9.75,"evidence":"目标是第二组旅行图标上排第三格的黄色服务铃，包含顶部按钮、圆顶、深色横带和底座。9.00秒尚未显现顶部按钮，结构仍在揭示；9.25秒首次完整呈现，至最后采样帧9.75秒持续完整可见。因此区间结束于视频末尾10.00秒，之后无采样帧。选择9.75秒作为关键帧，铃的各部分清晰且无遮挡。","start_frame":222,"end_frame":240,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[568.2,175.9,699,351.9],"positive_points":[[619.8,187],[599,261.1],[651,233.3],[676,261.1],[628.1,293.5],[635.4,321.3]],"negative_points":[[546.9,259.3],[640.6,138.9],[717.7,299.1],[630.2,388.9]],"evidence":"目标是上排第三格的黄色酒店服务铃，具有顶部按钮、圆拱铃身、深色横带和倾���底座。边界框紧贴完整铃体；六个正点分布在按钮、铃身、横带和底座上，四个负点位于铃体四周的白色背景。"}},{"name":"Green rolling suitcase","description":"Light-green upright rolling suitcase with three darker vertical grooves, wheels, and an extending handle in the second travel display's upper-right cell.","membership":"The complete suitcase, including case surface, grooves, handle, and wheels. Include enclosed handle areas, but exclude exterior background gaps.","id":"obj_029","temporal":{"status":"found","start_s":9.0,"end_s":10.0,"reference_s":9.5,"evidence":"目标是第二组旅行图标右上格的浅绿色拉杆箱，带三条深绿色凹槽、提拉杆和底部轮子。9.0秒箱体、拉杆和轮子已完整呈现，之后拉杆伸长仍属完整对象的动画；8.75秒仅见带凹槽的小箱体，结构尚未完成。最后符合条件的帧为9.75秒，持续至视频结束10.0秒，之后无采样帧。选择9.5秒作为关键帧，箱体及伸出的拉杆清晰完整、无遮挡。","start_frame":216,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[812.5,115.7,922.9,416.7],"positive_points":[[888,124],[867,227],[834,326],[891,325],[831,390],[873,409]],"negative_points":[[798,258],[941,293],[884,91],[872,450]],"evidence":"目标位于右上单元格，是带三条深绿色凹槽、伸缩提手和轮子的浅绿色行李箱。边界框紧密覆盖箱体、完整提手及底部轮子；正点分布在提手、箱面、凹槽和两只轮子上，负点位于行李箱四周的外部白色背景。"}},{"name":"Snorkeling mask and snorkel","description":"Blue-lensed diving mask paired with a tall gray snorkel in the second travel display's lower-left cell.","membership":"The complete mask-and-snorkel unit, including frame, enclosed lens area, tube, connector, and mouthpiece; exclude open background outside their outlines.","id":"obj_030","temporal":{"status":"found","start_s":9.0,"end_s":10.0,"reference_s":9.5,"evidence":"目标是第二组旅行图标左下格的蓝色镜片潜水面罩与灰色呼吸管组合。9.0秒首次完整显示面罩、管体、连接件及咬嘴，虽有倾斜仍属完整形态；此前8.75秒仅显示呼吸管，面罩尚未建立。最后合格帧为9.75秒，目标持续至视频结束，边界后无采样帧。选择9.5秒作为关键帧，组合轮廓清晰且无遮挡。","start_frame":216,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[70.8,609.3,199.5,891],"positive_points":[[98.4,748.1],[152.1,750.9],[189.6,633.3],[188.5,729.6],[190.1,812],[170.8,879.6]],"negative_points":[[50,752.8],[220.8,773.1],[128.1,632.4],[217.7,913.9]],"evidence":"目标位于左下单元格，是蓝色镜片潜水面罩与高灰色呼吸管组成的完整装置。边界框覆盖面罩框、镜片、连接件、管身及底部咬嘴；正点分布于镜片、管顶、连接件、管身和底部，负点位于装置外围的白色背景。"}},{"name":"Blue travel suitcase","description":"Wide blue suitcase with dark corner reinforcements, two vertical straps, pale buckles, and a top handle in the second travel display's lower-right cell.","membership":"The complete suitcase, including body, corner pieces, straps, buckles, and handle. Include the area enclosed by the handle; exclude surrounding background.","id":"obj_032","temporal":{"status":"found","start_s":8.75,"end_s":10.0,"reference_s":9.5,"evidence":"目标是第二组旅行图示右下格的蓝色旅行箱，带深色护角、两条竖向绑带、浅色搭扣和顶部提手。8.75秒首次完整可见，虽尺寸很小，但箱体及附件已齐全；8.50秒该位置尚无旅行箱。之后仅缩放、变形，最后一个合格帧为9.75秒，持续至视频结束，边界外无后续帧。选择9.50秒作关键帧，此时箱体宽展、结构清晰且无遮挡。","start_frame":210,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[795.3,628.7,953.1,858.3],"positive_points":[[872.9,638.9],[805.7,682.4],[831.3,775],[917.7,736.1],[872.9,788],[942.7,841.7]],"negative_points":[[770.8,745.4],[972.9,748.1],[872.4,588],[868.8,900]],"evidence":"目标是右下单元格内的宽蓝色旅行箱，带深色护角、两条竖向绑带、浅色搭扣和顶部提手。边界框紧贴完整箱体及提手，包含提手围合区域。六个正点分布在提手、护角、绑带、搭扣及蓝色箱面；四个负点位于箱子上下左右的外部白色背景。"}},{"name":"Citrus drink","description":"Yellow beverage in a curved stemmed glass with a red straw and citrus slice in the second travel display's lower row, second cell.","membership":"The complete glass, including its enclosed bowl area, beverage, stem, and base, together with the straw and attached citrus garnish; exclude surrounding background.","id":"obj_033","temporal":{"status":"found","start_s":9.5,"end_s":10.0,"reference_s":9.75,"evidence":"目标是第二组旅行图标下排第二格的黄色饮料，包含曲线杯身、杯脚与底座、红色吸���及柑橘片。9.25秒时柑橘装饰仍在展开，9.5秒首次完整呈现，最后合格帧为9.75秒。目标持续至视频结束，末端没有后续采样帧。选择9.75秒作关键帧，完整轮廓清晰且无遮挡。","start_frame":228,"end_frame":240,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[332.3,625,416.1,903.7],"positive_points":[[345.3,657.4],[390.6,666.7],[369.3,694.4],[376,782.4],[376.6,866.7],[384.4,897.2]],"negative_points":[[315.6,763.9],[431.8,761.1],[376,935.2],[618.8,781.5]],"evidence":"目标是下排第二格内带红色吸管和柑橘片的黄色饮料。边界框覆盖完整杯身及其内部、杯柄、杯底、吸管和果片。六个正点分布在果片、吸管、杯内、饮料、杯柄及杯底；负点位于杯外背景和右侧酒店图案上。"}}]}
+{"video_id":257,"video_type":"icons and abstract motion graphics","targets":[{"name":"Orange “30” badge","description":"Large orange scalloped badge centered above the opening title, with a white “3” and black “0”.","membership":"Includes the badge’s scalloped outer boundary, filled face, and both numerals. Excludes the patterned background and title below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.25,"evidence":"目标是开场标题上方居中的橙色扇贝边徽章，包含白色“3”和黑色“0”。首个合格帧为0.00秒，末个为0.50秒，徽章边界、填充及两位数字均完整可见。区间到达视频起点，无更早帧；紧邻其后的0.75秒已切换为蓝底绿色图标，徽章消失。选择0.25秒作为关键帧，目标完整清晰且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[357,129,648,635],"positive_points":[[501,199],[382,381],[451,450],[586,375],[491,557],[621,450]],"negative_points":[[302,365],[705,375],[505,65],[502,769]],"evidence":"目标是标题上方中央的橙色扇贝边徽章，内有白色“3”和黑色“0”。边界框紧贴徽章完整外轮廓，包含填充面及两个数字。正点分布于橙色面和数字笔画上；负点位于徽章左侧、右侧、上方的图案背景及下方标题区域。"}},{"name":"“Animated Tech Icon” title","description":"White opening title reading “Animated Tech Icon”, positioned beneath the orange badge over a translucent teal rectangle.","membership":"Includes only the complete title lettering. Excludes the teal backing rectangle, orange badge, and background.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.25,"evidence":"目标为橙色徽章下方、半透明青绿色矩形上的白色“Animated Tech Icon”完整标题文字，不含底板。首个合格帧为0.00秒，最后为0.50秒，文字均完整可见；区间到达视频起点，无更早帧。紧邻的0.75秒帧已切换为蓝底绿色图标，标题消失。选择0.25秒作为关键帧，文字清晰且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[265.6,730.6,737.5,805.6],"positive_points":[[272.7,776.4],[351.6,784.7],[491.4,762.5],[525,755.6],[599.2,765.3],[733.6,784.7]],"negative_points":[[281.3,837.5],[722.7,706.9],[500,541.7],[812.5,763.9]],"evidence":"目标是橙色徽章下方的白色标题“Animated Tech Icon”。边界框紧贴完整标题字母，不含青绿色底板。六个正点分布在标题各部分的实际笔画上；负点位于文字外侧的青绿色底板、橙色徽章和右侧深色背景。"}},{"name":"Android app icon","description":"Lime-green Android robot assembled at the center of the blue background, presented on a white rounded-square tile.","membership":"Includes the complete white tile, its visible edge, and the robot within it. During assembly, includes the emerging robot components and tile; excludes the surrounding blue background.","id":"obj_003","temporal":{"status":"found","start_s":2.0,"end_s":2.5,"reference_s":2.0,"evidence":"目标是蓝色背景中央、带可见厚度边缘的白色圆角方形 tile 及其中的青柠绿色 Android 机器人。首个完整呈现帧为2.00秒，最后合格帧为2.25秒；此前1.75秒机器人的眼睛和触角仍在完成初始显现，之后2.50秒已被正在出现的对话气泡替换。选择2.00秒作为关键帧，机器人及白色底板轮廓清晰、无遮挡。","start_frame":48,"end_frame":60,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[374,275,652,752],"positive_points":[[442,317],[621,482],[396,550],[507,712],[513,389],[516,537]],"negative_points":[[313,486],[703,486],[508,194],[508,833]],"evidence":"目标为蓝色背景中央、带青柠绿色 Android 机器人的白色圆角方形图标。边界框覆盖完整白色底板、可见厚度边缘及机器人；六个正点分布在底板各部位和机器人上，四个负点位于图标上下左右的蓝色背景中。"}},{"name":"Overlapping chat bubbles icon","description":"Centered messaging graphic with a larger teal speech bubble behind a smaller ochre bubble, both containing white horizontal message lines.","membership":"Includes both bubbles as one compact messaging symbol, following their rounded outlines and projecting tails, with all enclosed message lines. Excludes surrounding background.","id":"obj_004","temporal":{"status":"found","start_s":2.75,"end_s":3.5,"reference_s":3.0,"evidence":"目标是较大的青绿色气泡与前方较小的赭色气泡组成的消息图标，两者均有白色横线和尾部。首个合格帧为2.75秒，虽略有倾斜但结构已完整；最后合格帧为3.25秒。此前2.50秒仅出现尚未构建完成的青绿色小块，此后3.50秒已替换为其他图标的构建画面。选择3.00秒作为关键帧，两气泡轮廓及内部横线清晰可辨。","start_frame":66,"end_frame":84,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[421,372,606,653],"positive_points":[[463,410],[537,443],[449,565],[531,526],[572,572],[588,627]],"negative_points":[[390,480],[630,530],[509,330],[540,695]],"evidence":"图像中央是两个重叠的聊天气泡：后方较大的青绿色气泡和前方较小的赭色气泡，均含白色横线。边界框紧贴两个气泡的圆角外轮廓及突出尾部；六个正点分布于两者的填充区域、消息线和尾部，四个负点位于图标外围的蓝色背景。"}},{"name":"Server stack icon","description":"Three dark horizontal server units stacked vertically, with red indicator lights and a white connecting stem and base.","membership":"Includes all three server bodies, their indicator lights, and the connecting stem and horizontal base. Excludes background visible between and around the components.","id":"obj_005","temporal":{"status":"found","start_s":4.25,"end_s":4.5,"reference_s":4.25,"evidence":"目标为三层深色服务器机身、各层红色指示灯及白色连接杆和横向底座。4.25秒是首个且最后一个完整呈现的采样帧；前一帧4.00秒底层机身仍未展开完成且缺少指示灯，后一帧4.50秒已替换为显示器图标的初始构建。选择4.25秒作为关键帧，全部指定组件清晰完整、无遮挡。","start_frame":102,"end_frame":108,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[441.4,384.7,580.5,654.2],"positive_points":[[471.1,418.1],[550,423.6],[503.9,495.8],[539.8,576.4],[514.1,623.6],[481.3,647.2]],"negative_points":[[411.7,490.3],[613.3,547.2],[507.8,333.3],[507.8,708.3]],"evidence":"图像中央可见三层深色服务器机身、红色指示灯及白色连接杆和底座。边界框紧贴整个图标的可见范围；正点分布在机身、指示灯、连接杆和底座上，负点位于图标外围的蓝色背景，避开组件间隙。"}},{"name":"Desktop monitor icon","description":"White desktop monitor assembled at center on blue, with an ochre screen that develops a mountain landscape and small sun.","membership":"Includes the monitor’s outer frame, enclosed screen and changing contents, support neck, and foot. Excludes the background outside its silhouette.","id":"obj_006","temporal":{"status":"found","start_s":5.5,"end_s":5.75,"reference_s":5.5,"evidence":"目标是蓝色背景中央的白色桌面显示器，包含赭色屏幕、支撑颈和底座，屏幕内出现山景与小太阳。首个及最后一个合格采样帧均为5.50秒：显示器整体结构已完整。此前5.25秒底座仍在生成，仅露出小块；此后5.75秒显示器已消失。选择5.50秒作为关键帧，因其轮廓完整、无遮挡，便于标注。","start_frame":132,"end_frame":138,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[408.6,370.8,620.3,689],"positive_points":[[414.8,477.8],[453.1,444.4],[493,537.5],[572.7,437.5],[585.2,602.8],[516.4,676.4]],"negative_points":[[375,486.1],[652.3,486.1],[507.8,319.4],[507.8,756.9]],"evidence":"图像中央的白色桌面显示器与描述一致，赭色屏幕内有山景和小太阳。边界框紧贴外框、屏幕、支撑颈和底座的完整可见范围；正点分布在边框、屏幕内容及底座上，负点位于显示器四周轮廓外的蓝色背景。"}},{"name":"Game controller icon","description":"Dark gray gamepad with two downward grips, a white cross-shaped directional pad, four white action buttons, and two black circular sticks.","membership":"Includes the complete controller body and all controls on it. Follows the grip contours and lower central concavity, excluding surrounding background.","id":"obj_007","temporal":{"status":"found","start_s":6.75,"end_s":7.75,"reference_s":7.25,"evidence":"目标为深灰色双握柄游戏手柄，带白色十字方向键、四个白色按钮及两个黑色圆形摇杆。首个完整帧为6.75秒；此前6.50秒右侧摇杆仍在形成，尚未完整。最后合格帧为7.50秒，7.75秒手柄消失，仅剩蓝色背景。选择7.25秒作为关键帧，手柄轮廓及全部控件清晰、无遮挡。","start_frame":162,"end_frame":186,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[406,374,620,644],"positive_points":[[429,595],[603,594],[509,408],[458,456],[560,438],[487,543]],"negative_points":[[349,510],[672,512],[511,290],[510,731]],"evidence":"图像中央是深灰色游戏手柄，具有白色十字方向键、四个白色按钮及两个黑色摇杆。边界框紧贴完整手柄的顶部、两侧及向下握柄；正点分布在主体、握柄和控件上，负点位于手柄外围的蓝色背景中。"}},{"name":"Microchip app icon","description":"Dark rounded-square tile containing a green square microchip with a black center and yellow leads extending outward on four sides.","membership":"Includes the entire dark tile, its boundary, and the enclosed chip and leads throughout their assembly and bending. Excludes the blue background outside the tile.","id":"obj_008","temporal":{"status":"found","start_s":8.75,"end_s":9.5,"reference_s":9.0,"evidence":"目标是深色圆角方形底板内带黑色中心的绿色芯片，四侧伸出黄色引脚。8.75秒首次结构完整，引脚随后弯曲属于完整图标的形变；9.25秒是最后合格帧。此前8.50秒尚未出现引脚，仍在组装；之后9.50秒图标已消失，只剩蓝色背景。选择9.00秒作为关键帧，底板、芯片与四侧引脚清晰且无遮挡。","start_frame":210,"end_frame":228,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[381,285,646,742],"positive_points":[[422,403],[596,389],[411,608],[605,635],[471,497],[514,668]],"negative_points":[[336,507],[684,507],[508,208],[508,819]],"evidence":"目标为画面中央的深色圆角方形应用图标，内含绿色芯片、黑色中心和黄色引脚。边界框紧贴整个深色底块，包含芯片及弯折引脚；六个正点分布在底块、芯片和引脚上，四个负点位于图标上下左右的蓝色外部背景。"}},{"name":"Printer icon","description":"Gray printer centered on blue, with a green status light, white paper above, and a printed sheet emerging from its dark front slot.","membership":"Includes the printer housing, status light, output opening, and both visible paper portions, including the black printed lines. Follows the combined silhouette rather than filling the exterior gaps around the paper.","id":"obj_009","temporal":{"status":"found","start_s":10.25,"end_s":11.25,"reference_s":10.5,"evidence":"目标是蓝底中央的灰色打印机，包含绿灯、深色出纸口、上方白纸及带黑色横线的输出纸。10.25秒各组成部分已完整可见，之后出纸长度变化仍属同一图标动画；最后合格帧为11.00秒。此前10.00秒仍在组装，状态灯与带字输出纸尚未出现；此后11.25秒已切换为其他画面。选择10.50秒，因打印机轮廓与两处纸张清楚、无遮挡。","start_frame":246,"end_frame":270,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[382,348.6,633.6,695.8],"positive_points":[[406.3,534.7],[605.5,513.9],[409.4,443.1],[507.8,373.6],[519.5,663.9],[507.8,594.4]],"negative_points":[[414.1,375],[609.4,666.7],[335.9,527.8],[671.9,486.1]],"evidence":"图像中央的灰色打印机具有绿色状态灯、上方白纸和带黑色打印线的出纸，符合目标描述。边界框紧贴机身及两处纸张的整体可见范围。正点分布在机身两侧、状态灯、上方纸张及输出纸张和黑线上；负点位于纸张旁的外部蓝色区域及打印机左右背景，不将轮廓外的空隙纳入目标。"}},{"name":"Pink “100 VECTOR” badge","description":"Leftmost promotional circle on the pale patterned background, bright pink with white text reading “100” above “VECTOR”.","membership":"Includes the circular boundary, pink face, and enclosed text throughout its reveal. Excludes the external shadow and patterned background.","id":"obj_010","temporal":{"status":"found","start_s":12.0,"end_s":13.5,"reference_s":12.75,"evidence":"目标是浅色图案背景上最左侧的粉红圆形徽章，内有白色“100”和“VECTOR”。12.0秒圆形及两行文字已完整呈现，虽略有旋转仍符合条件；此前11.75秒圆形内尚无完整文字。最后合格帧为13.25秒，13.5秒已切换为黄褐色背景，徽章消失。选择12.75秒作为关键帧，徽章正面清晰、文字完整且无遮挡。","start_frame":288,"end_frame":324,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[122.7,302.8,346.1,697.2],"positive_points":[[234.4,350],[155.5,444.4],[302.3,454.2],[166.4,587.5],[282.8,609.7],[229.7,662.5]],"negative_points":[[93.8,486.1],[234.4,250],[371.1,555.6],[492.2,486.1]],"evidence":"目标是左侧写有白色“100 VECTOR”的粉色圆形徽章。边界框紧贴圆形可见边缘，包含粉色表面和内部文字，不含外部阴影。六个正点分布在徽章上、中、下部；负点位于圆外的浅色背景及右侧蓝色徽章上。"}},{"name":"Blue “Fully Customizable” badge","description":"Middle promotional circle, vivid blue with white text reading “Fully” above “Customizable”.","membership":"Includes the circular boundary, blue face, and enclosed text throughout its reveal. Excludes the external shadow, adjacent badges, and background.","id":"obj_011","temporal":{"status":"found","start_s":12.25,"end_s":13.5,"reference_s":12.75,"evidence":"目标是三枚促销圆章中间的鲜蓝色圆章，白字为“Fully”和“Customizable”。12.25秒圆形及两行文字首次完整呈现，虽略有旋转仍符合条件；此前12.00秒蓝色圆章尚无文字。最后符合帧为13.25秒，13.50秒已切换为纯黄色背景，目标消失。选择12.75秒作为关键帧，圆章和文字清晰、无遮挡，易与相邻圆章区分。","start_frame":294,"end_frame":324,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[385,303,609,697],"positive_points":[[494,349],[414,459],[575,453],[443,593],[541,610],[493,661]],"negative_points":[[235,496],[764,497],[495,235],[501,770]],"evidence":"目标是画面中央写有白色“Fully”和“Customizable”的蓝色圆形徽章。边界框紧贴圆形外缘，包含蓝色表面及文字，不含外部阴影。六个正点分布在徽章内部各部位；四个负点位于左右相邻徽章及目标上、下方的外部背景。"}},{"name":"Orange “Drag DROP” badge","description":"Rightmost promotional circle, orange-yellow with white text reading “Drag” above “DROP”.","membership":"Includes the circular boundary, colored face, and enclosed text throughout its reveal. Excludes the external shadow, adjacent badges, and background.","id":"obj_012","temporal":{"status":"found","start_s":12.5,"end_s":13.5,"reference_s":12.75,"evidence":"目标是三枚宣传圆章中最右侧的橙黄色圆章，内有白色两行文字“Drag”“DROP”。12.50秒首次圆形边界、底色及文字均完整呈现，最后合格帧为13.25秒；前一帧12.25秒圆章内尚无文字，后一帧13.50秒已切换为纯黄色背景，圆章消失。选择12.75秒作为关键帧，目标完整清晰、无遮挡，易与相邻圆章区分。","start_frame":300,"end_frame":324,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[652.3,304.2,875.8,697.2],"positive_points":[[756,352],[692,464],[827,439],[726,571],[819,583],[770,659]],"negative_points":[[902,490],[783,750],[622,386],[495,499]],"evidence":"目标是右侧带白色“Drag”和“DROP”文字的橙黄色圆形徽章。边界框紧贴圆形可见外缘，包含彩色表面及文字，不含外部阴影。六个正点分布在徽章上、中、下部；四个负点位于外围背景、下方阴影外侧区域及相邻蓝色徽章上。"}},{"name":"Ascending bar chart icon","description":"Chart assembled at center on a mustard background, with pale horizontal and vertical axes and five ascending bars in dark teal, red, blue, lime, and dark gray.","membership":"Includes the two axes and all five filled bars as one chart. Excludes the surrounding background and unfilled space above the bars; the open axes do not define an enclosed panel.","id":"obj_013","temporal":{"status":"found","start_s":14.5,"end_s":14.75,"reference_s":14.5,"evidence":"目标是芥末黄色背景中央的浅色双轴及深青、红、蓝、亮绿、深灰五根递增柱组成的图标。14.50秒为首个且最后一个完整呈现的采样帧；此前14.25秒最右侧深灰柱仍在构建，尚未形成完整递增高度。14.75秒图表已消失，中心出现下一图标的小形状。选择14.50秒作为关键帧，因为双轴和五根柱均清晰完整、无遮挡。","start_frame":348,"end_frame":354,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[406,365,629,657],"positive_points":[[449,558],[482,542],[517,521],[550,496],[586,479],[430,597]],"negative_points":[[370,550],[502,392],[665,525],[515,706]],"evidence":"图像中央的五根递增彩色柱及浅色横纵轴构成目标图标。边界框紧贴两条轴和全部柱形的可见范围；正点分布于五根实心柱及坐标轴交点，负点位于图表外围和柱形上方明确排除的芥黄色空白背景。"}},{"name":"Landscape image icon","description":"Dark gray circular badge containing a rectangular landscape picture with pale borders, two mauve mountain peaks, a peach sky, and a yellow sun.","membership":"Includes the full circular badge and everything enclosed within it, including the picture border and landscape. Excludes the mustard background outside the circle.","id":"obj_014","temporal":{"status":"found","start_s":16.25,"end_s":16.5,"reference_s":16.25,"evidence":"目标是芥末黄色背景上的深灰圆形徽章，内含浅色边框、桃色天空、两座紫灰山峰和黄色太阳。16.25秒为首个且最后一个完整呈现的采样帧；此前16.00秒山景和太阳仍在逐步显现，太阳尚为小点；之后16.50秒徽章已消失，开始出现下一个蓝色图标。选择16.25秒作为关键帧，因为全部结构清晰完整且无遮挡。","start_frame":390,"end_frame":396,"reference_frame":390},"grounding":{"status":"found","bbox_xyxy":[353.9,237.5,673.4,790],"positive_points":[[509,307],[386,514],[513,717],[469,551],[565,452],[592,624]],"negative_points":[[315,505],[712,514],[514,177],[510,855]],"evidence":"目标是中央包含山峰、天空和黄色太阳的深灰色圆形徽章。边界框紧贴整个圆形徽章，包含内部画框与风景；正点分布于徽章底色、山峰、太阳及浅色边框，负点位于圆外四周的芥末黄色背景。"}},{"name":"Camera app icon","description":"Light blue rounded-square tile containing a dark camera silhouette with a raised top and a white circular lens outline.","membership":"Includes the complete rounded-square tile, its visible lower edge, and the enclosed camera body and lens. Excludes the mustard background outside the tile.","id":"obj_015","temporal":{"status":"found","start_s":17.75,"end_s":18.0,"reference_s":17.75,"evidence":"目标是浅蓝色圆角方形相机图标，包含可见下缘、顶部凸起的深色相机轮廓及白色圆形镜头环。17.50秒镜头环仍有缺口，尚在绘制；17.75秒所有指定结构完整，是首个及最后一个符合条件的采样帧，也最适合空间标注。该外观持续至视频结束18.00秒，之后没有采样帧可检查。","start_frame":426,"end_frame":432,"reference_frame":426},"grounding":{"status":"found","bbox_xyxy":[379.7,286.1,650,751.4],"positive_points":[[460,337],[623,519],[524,737],[402,618],[448,531],[514,492]],"negative_points":[[331,500],[703,500],[508,208],[508,833]],"evidence":"图中中央的浅蓝色圆角方块内有深色相机轮廓和白色圆形镜头，可确定为相机应用图标。边界框覆盖完整方块及可见下沿；正点分布在蓝色表面、下沿、相机机身和镜头内，负点位于图标四周的芥黄色背景。"}}]}
+{"video_id":258,"video_type":"icons and abstract motion graphics","targets":[{"name":"Central expanding circle","description":"The large circle initially centered on the cream background. It starts turquoise, briefly develops an indentation as a smaller circle meets it, and expands while changing to yellow, red, and blue.","membership":"Include the filled disk and its actual outer edge, following any temporary indentation. Exclude surrounding pulse halos and independently moving circles outside it.","id":"obj_001","temporal":{"status":"found","start_s":0.25,"end_s":4.0,"reference_s":1.5,"evidence":"目标是奶油色背景中央的实心圆盘，连续经历青绿色、接触小圆时的凹陷，以及变黄、变红、变蓝和缩小；不包括外围脉冲光环或独立小圆。首个合格帧为0.25秒，圆盘已完整显示；前一帧0.00秒为空白。最后合格帧为3.75秒，仍是完整的中央蓝色小圆；4.00秒已散成环状短线，圆盘不再存在。选择1.50秒作为关键帧，此时青绿色圆盘边界清晰完整，与外侧小圆分离，便于标注。","start_frame":6,"end_frame":96,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[375.8,278.7,624.5,721.3],"positive_points":[[471,338],[549,375],[590,496],[532,649],[446,624],[411,470]],"negative_points":[[334,919],[319,489],[685,510],[504,198]],"evidence":"目标是奶油色背景中央的大型青绿色实心圆，边界框紧贴其可见外缘。六个正点分散在圆盘内部各部位；负点位于左下方独立黄色小圆及大圆外侧的背景，排除其他圆和周围背景。"}},{"name":"Small yellow moving circle","description":"A small yellow disk enters from the upper edge, travels around the turquoise central circle, and meets its upper-right edge.","membership":"Include only the yellow disk and its boundary, excluding the central circle and background.","id":"obj_002","temporal":{"status":"found","start_s":1.25,"end_s":2.25,"reference_s":1.75,"evidence":"目标是绕中央青绿色圆移动、最终接触其右上边缘的小黄色圆盘。首个完整可见帧为1.25秒，最后符合帧为2.00秒，此时圆盘与中央圆接触但仍可辨认。前一帧1.00秒黄色圆盘在顶部入场，仍被画面边界裁切；后一帧2.25秒独立小圆盘已消失，中央圆变为黄色。选择1.75秒作为关键帧，黄色圆盘完整、无遮挡，且与中央圆及红色圆盘清楚分离。","start_frame":30,"end_frame":54,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[225.5,119.4,305.7,263],"positive_points":[[247.4,159.3],[277.6,154.6],[240.6,199.1],[286.5,199.1],[255.7,232.4],[268.2,192.6]],"negative_points":[[500,500],[258,793],[350,185],[265,70]],"evidence":"目标是位于中央青绿色圆左上方的小黄色实心圆。边界框紧贴黄色圆盘及其可见边缘；六个正点分散在圆盘内部，四个负点分别位于青绿色圆、红色圆及黄色圆外侧的背景上。"}},{"name":"Small red moving circle","description":"A small coral-red disk first appears below and left of the turquoise circle, then moves around it before joining the central graphic.","membership":"Include the moving red disk and its boundary, excluding other disks and background.","id":"obj_003","temporal":{"status":"found","start_s":1.75,"end_s":2.0,"reference_s":1.75,"evidence":"目标是青绿色大圆左下方首次出现的小珊瑚红色实心圆盘。首个及最后一个合格采样帧均为1.75秒，此时圆盘边界完整；前一帧1.50秒尚无红色圆盘，后一��2.00秒红色圆盘移动至底部并被画面边界裁切，因此结束本次连续出现。选择1.75秒作为关键帧，目标完整清晰且与其他圆盘分离。","start_frame":42,"end_frame":48,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[218.2,723.1,297.4,863.0],"positive_points":[[246,750],[276,768],[234,791],[255,805],[280,819],[255,845]],"negative_points":[[497,495],[266,189],[188,790],[322,859]],"evidence":"目标是位于青绿色大圆左下方的珊瑚红色小圆盘，边界框紧贴其完整可见边缘。六个正点分散在红色圆盘内部，四个负点分别位于青绿色圆、黄色圆及红圆外侧的浅色背景上。"}},{"name":"Small blue moving circle","description":"A small blue disk first appears far to the right of the turquoise circle. It travels around the central graphic and subsequently appears within the larger red disk.","membership":"Include the blue disk and its boundary, including its enlarged form within the red circle. Exclude the surrounding red area.","id":"obj_004","temporal":{"status":"found","start_s":2.0,"end_s":2.75,"reference_s":2.25,"evidence":"目标是最初出现在中央青绿色圆右侧、随后绕其移动的小蓝色圆盘。首个合格帧为2.00秒，1.75秒尚无蓝色圆盘；最后合格帧为2.50秒，紧邻的2.75秒圆盘移至左侧并被画面边界裁切，因此结束本段。选择2.25秒为关键帧，此时蓝色圆盘完整、无遮挡，与其他圆盘清楚分离。","start_frame":48,"end_frame":66,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[571.4,97.2,650,237],"positive_points":[[609.4,125.9],[587,156.5],[592.7,200.9],[615.1,209.3],[634.4,179.6],[626,138.9]],"negative_points":[[500,500],[897,586],[546,163],[681,180]],"evidence":"目标是位于大黄色圆上方偏右的小蓝色实心圆。边界框紧贴蓝色圆盘及其边缘；六个正点分散在蓝色圆盘内部，负点位于黄色圆、右侧红色圆及蓝圆外的浅色背景上。"}},{"name":"Outer blue dotted ring","description":"The largest circular arrangement of blue dashes, which shorten into dots, on the cream background after the solid-circle sequence.","membership":"Include the blue marks and the circular area enclosed by their ring arrangement. Exclude the background beyond the outer edge of the pattern.","id":"obj_005","temporal":{"status":"found","start_s":4.0,"end_s":4.5,"reference_s":4.0,"evidence":"目标是奶油色背景上包围其他彩色环的最大蓝色虚线圆环。首个合格帧为4.00秒，蓝色短划已完整成环；最后合格帧为4.25秒，短划缩为圆点但环形排列仍完整。前一帧3.75秒只有中央蓝色实心小圆，后一帧4.50秒已变为红色背景，目标消失。选择4.00秒作为关键帧，因为蓝色标记更清晰，外环轮廓易于辨认。","start_frame":96,"end_frame":108,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[316.1,173.1,683.9,827.8],"positive_points":[[318.8,427.8],[540.6,178.7],[680.7,572.2],[459.4,821.3],[482,470],[542,580]],"negative_points":[[260,500],[745,500],[500,90],[500,915]],"evidence":"目标是包围红色及其他小环的最外层蓝色短划圆环。边界框紧贴蓝色标记的最外侧范围；正点分布在蓝色标记及规则明确包含的环内区域，负点位于圆环外的奶油色背景。"}},{"name":"Inner red dotted ring","description":"A medium-sized circular arrangement of red radial dashes and dots, centered within the larger blue dotted ring.","membership":"Include the red ring marks and the area their circular pattern encloses, but not the surrounding area beyond the ring.","id":"obj_006","temporal":{"status":"found","start_s":4.0,"end_s":4.5,"reference_s":4.0,"evidence":"目标是较大蓝色点环内部、由红色径向短线及圆点组成的中等大小圆环。首个合格帧为4.00秒，末帧为4.25秒，此时短线缩为圆点但圆环仍完整可见。前一帧3.75秒只有中央蓝色实心圆，后一帧4.50秒已变为红色背景，目标消失。选择4.00秒作为关键帧，因为红色环标记清晰，容易与外围蓝环区分。","start_frame":96,"end_frame":108,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[394.3,312,606.3,688],"positive_points":[[498.4,327.8],[597.4,497.2],[501.6,672.2],[403.1,502.8],[468.8,444.4],[526,555.6]],"negative_points":[[319,428],[677,402],[444,185],[556,815]],"evidence":"目标是较大蓝色点环内部、由红色径向短划组成的中等圆环。边界框紧贴红色标记的上下左右极值，并覆盖圆环包围的区域。正点分布在四周红色短划及允许包含的内部区域；负点位于外围蓝色标记上，均在红环之外。"}},{"name":"Upper-right turquoise dotted ring","description":"A small turquoise circular arrangement of radial dashes and dots, offset above and to the right of the red ring's center.","membership":"Include its turquoise marks and the area enclosed by their circular arrangement. Exclude the surrounding space beyond that pattern.","id":"obj_007","temporal":{"status":"found","start_s":4.0,"end_s":4.5,"reference_s":4.0,"evidence":"目标是红色圆环中心右上方、由青绿色短划和圆点组成的小圆环。4.00秒首次完整可见，4.25秒仍保持完整的圆点环形排列；前一帧3.75秒只有中央蓝色圆点，后一帧4.50秒已切换为红色背景，目标消失。选择4.00秒作为关键帧，因为青绿色标记较大、轮廓清晰，易于与其他圆环区分。","start_frame":96,"end_frame":108,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[535.4,338.0,628.6,504.6],"positive_points":[[580.2,344.4],[624.5,418.1],[583.3,498.1],[539.1,424.1],[571.4,438.9],[597.9,388.9]],"negative_points":[[498.4,327.8],[677.1,401.9],[651.0,481.5],[580.7,555.6]],"evidence":"目标是红色大环中心右上方的青绿色短划圆环。边界框紧贴青绿色标记的最外缘，包含其围成的内部区域。正点分布在上下左右的青绿色标记及环内区域；负点位于环外背景、左侧红色标记和右侧蓝色标记上。"}},{"name":"Lower-left yellow dotted ring","description":"A small yellow circular arrangement of radial dashes and dots, offset below and to the left of the red ring's center.","membership":"Include its yellow marks and enclosed circular area. Exclude the space outside the pattern.","id":"obj_008","temporal":{"status":"found","start_s":4.0,"end_s":4.5,"reference_s":4.0,"evidence":"目标是红色圆环中心左下方的小型黄色放射状虚线圆环。首个合格帧为4.00秒，4.25秒黄色短划变为小点，仍构成完整圆环，是最后合格帧；前一帧3.75秒仅有中央蓝色圆点，后一帧4.50秒已切换为红色背景，目标消失。选择4.00秒作为关键帧，因为黄色标记较清晰，圆环范围易于辨认。","start_frame":96,"end_frame":108,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[360,562,455,733],"positive_points":[[406.3,570.4],[364.6,650.9],[409.9,724.1],[449.5,644.4],[395.3,631.5],[419.8,670.4]],"negative_points":[[501.6,672.2],[580.2,345.4],[323,598.1],[322.9,703.7]],"evidence":"目标是红色环中心左下方的小型黄色放射状点划圆环。框紧贴黄色标记的最外缘，覆盖标记及其围成的圆形区域；正点分布在黄色标记和圆内，负点位于环外的红色、青色、蓝色标记及远离圆环的背景上。"}},{"name":"Yellow circle on red background","description":"A standalone yellow disk appears at the center of the solid coral-red scene before the triangle is presented.","membership":"Include the yellow disk and its boundary. Exclude the red background and faint central emphasis marks.","id":"obj_009","temporal":{"status":"found","start_s":5.0,"end_s":5.25,"reference_s":5.0,"evidence":"目标是珊瑚红背景中央的独立黄色圆盘，不包含中央淡色强调线。首个及最后一个符合条件的采样帧均为5.00秒，圆盘及边界完整可见；前一帧4.75秒尚无圆盘，后一帧5.25秒已替换为浅色方块。选择5.00秒作为关键帧，因为目标清晰完整且无遮挡。","start_frame":120,"end_frame":126,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[420.3,358.3,580.2,642.6],"positive_points":[[475,408],[534,421],[560,497],[523,596],[470,577],[441,487]],"negative_points":[[390,485],[611,496],[499,312],[500,691]],"evidence":"目标是珊瑚红背景中央的黄色实心圆盘，边界框紧贴圆盘外缘。六个正点分布在圆盘各方向的黄色区域，避开中央淡色强调标记；四个负点位于圆盘外侧的红色背景上。"}},{"name":"Blue triangle","description":"An upright, solid blue triangle centered on the coral-red background, later moving upward out of view.","membership":"Include the triangular filled region and all three edges. Exclude the surrounding background.","id":"obj_010","temporal":{"status":"found","start_s":5.5,"end_s":6.0,"reference_s":5.75,"evidence":"目标是珊瑚红背景中央的实心蓝色直立三角形。首个合格帧为5.50秒，最后合格帧为5.75秒，三条边均完整可见。前一帧5.25秒显示浅色方形，尚无蓝色三角形；后一帧6.00秒三角形向上移出，顶部已被画面边界裁切。选择5.75秒作为关键帧，因为目标完整、清晰且无遮挡。","start_frame":132,"end_frame":144,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[413.5,344.4,586.5,619.4],"positive_points":[[500,378],[478,469],[520,475],[439,599],[494,576],[565,599]],"negative_points":[[500,292],[388,520],[615,521],[502,674]],"evidence":"图像中央有一个直立的实心蓝色三角形。边界框紧贴其顶点、两侧斜边及底边；六个正点分布在三角形内部的上部、中部和底部，四个负点位于其上、下、左、右的珊瑚红色背景上。"}},{"name":"Moving turquoise square","description":"A small turquoise square enters from the left on the light-gray background, rotates as it moves toward the center, and settles upright.","membership":"Include the square's filled surface and four edges, following its rotation. Exclude the gray background.","id":"obj_011","temporal":{"status":"found","start_s":6.75,"end_s":9.0,"reference_s":7.75,"evidence":"目标是浅灰背景上从左侧进入、旋转并移向中央的青绿色实心方块。6.50秒仍被左边界裁切，6.75秒首次完整可见；随后直立并成为彩色组合的中央部分，8.75秒虽纵向拉伸但自身四边仍完整，是最后合格帧。9.00秒已变成越出画面边界的斜向色带。选择7.75秒作为关键帧，此时方块独立、直立且无遮挡，便于标注。","start_frame":162,"end_frame":216,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[457.3,433.3,532.8,567.6],"positive_points":[[468,447],[518,452],[481,488],[520,518],[469,550],[504,555]],"negative_points":[[430,490],[560,505],[493,401],[492,604]],"evidence":"图像中央可见直立的 turquoise（青绿色）实心正方形。边界框紧贴其四条外边，覆盖完整填充表面；六个正点分布在方形内部不同部位，四个负点位于其上、下、左、右且远离边缘的浅灰色背景中。"}},{"name":"Five-color square cross","description":"A compact plus-shaped graphic on gray, formed by a turquoise center square, blue upper square, yellow left square, pink right square, and orange lower square. Its blocks subsequently stretch into bands.","membership":"Include the union of the five colored blocks and their stretched continuations, preserving the cross's concave outline while it is visible. Exclude gray gaps and the surrounding background.","id":"obj_012","temporal":{"status":"found","start_s":8.25,"end_s":9.5,"reference_s":8.5,"evidence":"8.25秒首次出现完整五色十字：青绿色中心、蓝色上块、黄色左块、粉色右块和橙色下块；此前8.00秒只有横排三块。随后各块拉伸为贯穿画面的色带，按目标范围保留这些延伸部分，最后符合的帧为9.25秒；9.50秒已变为纯蓝画面，不再可辨认该图形。选择8.50秒作为关键帧，五块边界及十字凹形轮廓清晰，无遮挡。","start_frame":198,"end_frame":228,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[365.6,270.4,624,730.6],"positive_points":[[487,328],[402,491],[478,480],[517,549],[584,516],[500,670]],"negative_points":[[404,337],[583,336],[407,661],[582,664]],"evidence":"图中五个色块组成加号形：中央青绿色，上蓝、左黄、右粉、下橙。边界框紧贴五块整体的最外缘；六个正点覆盖全部色块，四个负点位于十字凹角外侧的灰色背景，避开色块边缘。"}},{"name":"Yellow dashed curved path","description":"A pale-yellow dashed line progressively extends across the blue scene, bending from the upper-left area toward the lower-right area.","membership":"Include the individual yellow dash strokes along the open curve. Exclude spaces between dashes, surrounding blue background, and white endpoint circles.","id":"obj_013","temporal":{"status":"found","start_s":10.5,"end_s":11.25,"reference_s":11.0,"evidence":"目标是蓝色背景上从左上弯向右下的淡黄色虚线，不包括白色端点圆。10.50秒首次完整呈现，最后合格帧为11.00秒；此前10.25秒曲线仍在向右逐步绘制，之后11.25秒曲线随端点向中央收拢而被擦除，仅剩中央短段。选择11.00秒作为关键帧，曲线清晰完整，端点圆遮挡较少。","start_frame":252,"end_frame":270,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[92.2,168.5,898.4,820.4],"positive_points":[[120,175],[295,186],[422.5,302],[498.4,522.2],[575,736.1],[888.5,816]],"negative_points":[[54,172],[945,810],[285,430],[705,520]],"evidence":"目标是蓝色背景上由左上向右下弯曲的浅黄色虚线路径。边界框紧贴所有可见黄色短划的整体范围，不包括白色端点圆。六个正点分布在路径不同位置的黄色短划上；负点位于两个白色圆内及远离路径的蓝色背景上。"}},{"name":"Upper-left white endpoint circle","description":"A white disk appears at the upper-left end of the dashed yellow path, expands briefly, and moves inward toward the center.","membership":"Include the white filled disk and its boundary. Exclude translucent pulse halos and the adjacent dashed path.","id":"obj_014","temporal":{"status":"found","start_s":10.5,"end_s":11.5,"reference_s":11.0,"evidence":"目标是黄色虚线路径左上端的白色实心圆盘，不含半透明脉冲光晕。首个合格帧为10.50秒，随后圆盘短暂放大并向中央移动，最后合格帧为11.25秒。前一帧10.25秒仅有虚线路径，尚无白色端点圆；后一帧11.50秒两个白圆已被中央黄色圆替代。选择11.00秒作为关键帧，白色圆盘边界清楚、完整可见，且无光晕干扰。","start_frame":252,"end_frame":276,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[15.1,102.8,93.2,241.7],"positive_points":[[53,132],[31,159],[74,155],[41,202],[65,214],[54,174]],"negative_points":[[120,175],[945,812],[20,65],[115,260]],"evidence":"目标是黄色虚线路径左上端的白色实心圆盘。边界框紧贴圆盘外缘，不包含相邻虚线。六个正点��布于圆盘内部不同部位；负点位于相邻黄色虚线、右下白色圆盘及外部蓝色背景上。"}},{"name":"Lower-right white endpoint circle","description":"A second white disk appears at the lower-right end of the dashed yellow path and moves inward toward the first disk.","membership":"Include the white filled disk and its boundary. Exclude translucent pulse halos and the adjacent dashed path.","id":"obj_015","temporal":{"status":"found","start_s":10.5,"end_s":11.5,"reference_s":11.0,"evidence":"目标是黄色虚线路径右下端的白色实心圆盘，不包括外围半透明脉冲光晕。首个合格帧为10.50秒，末个为11.25秒，此时它已向中央移动，位于另一白盘的右下方。此前10.25秒只有尚未延伸完成的虚线路径，没有该圆盘；此后11.50秒两白盘被中央黄色圆盘取代。10.75秒的边缘接触发生于放大脉冲，并非离场。选择11.00秒作为关键帧，圆盘完整清晰、与另一端点分离，且无光晕干扰。","start_frame":252,"end_frame":276,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[905.7,740.7,984.4,879.6],"positive_points":[[944,761],[922,782],[968,789],[921,829],[947,853],[970,832]],"negative_points":[[887,816],[944,695],[993,920],[54,172]],"evidence":"目标是黄色虚线路径右下端的白色实心圆。边界框紧贴白色圆盘及其边缘，不包含相邻虚线。六个正点分布在圆盘内部各部位；负点位于相邻黄色虚线、圆外蓝色背景和左上方另一白圆上。"}},{"name":"Central color-changing disk on blue","description":"A large pale-yellow disk is presented centrally on blue after the white endpoint circles converge. Colored arcs move around it as it changes through cream, pink-red, orange, and light gray and varies in size.","membership":"Include the filled central disk and its outer boundary throughout its color and size changes. Exclude the surrounding colored arcs and background.","id":"obj_016","temporal":{"status":"found","start_s":11.5,"end_s":14.5,"reference_s":12.5,"evidence":"目标是蓝色背景中央的实心圆盘，不含周围彩色弧线。11.5秒首次完整呈现为淡黄色圆盘，随后变为奶油色、粉红色、橙色和浅灰色并缩放；14.25秒是最后完整帧。前一帧11.25秒仍是两个尚未汇合的白色端点圆，后一帧14.5秒圆盘开始被深蓝色遮罩移除。选择12.5秒为关键帧，圆盘边界清楚，与外围弧线分离，便于标注。","start_frame":276,"end_frame":348,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[405.2,335.2,574,635.2],"positive_points":[[445.3,407.4],[518.2,388.9],[546.9,490.7],[507.8,583.3],[440.1,537],[489.6,481.5]],"negative_points":[[338.5,490.7],[387.5,596],[618.8,563],[651,370]],"evidence":"目标是蓝色背景中央的浅黄色实心圆盘，边界框紧贴圆盘外缘，不包含周围彩色弧线。六个正点分散在圆盘内部；负点位于左侧橙色、红色弧线、右侧绿色弧线及外部蓝色背景上。"}},{"name":"Turquoise orbiting arc","description":"A bright turquoise curved stroke appears beside the central pale-yellow disk on blue, extends around much of it, and later contracts into shorter arc segments.","membership":"Include only the turquoise stroke or visible stroke segments. Keep the curve open; exclude the central disk and the area between the stroke and disk.","id":"obj_017","temporal":{"status":"found","start_s":12.0,"end_s":13.25,"reference_s":13.0,"evidence":"目标是蓝色背景中围绕中央浅黄色圆盘的亮青绿色开放弧线，不含圆盘及其他颜色弧线。12.00秒首次呈现已建立的弧形，前一帧11.75秒仍处于初始延伸绘制阶段；最后纳入13.00秒，随后13.25秒开始收缩擦除，逐渐变为短弧。选择13.00秒作为关键帧，此时青绿色弧线较长、轮廓清晰且无遮挡。","start_frame":288,"end_frame":318,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[352.1,342.6,627.1,729.6],"positive_points":[[374,361.1],[355.2,472.2],[377.6,618.5],[455.7,717.6],[560.9,688.9],[621.9,535.2]],"negative_points":[[489.6,481.5],[601.6,556.5],[312.5,500],[510.4,791.7]],"evidence":"目标是中央淡黄色圆盘左侧向下绕至右侧的亮青绿色开放弧线。边界框紧贴整条可见弧线，正点分布在弧线各段；负点位于明确排除的黄色圆盘、红色短划及弧线外侧蓝色背景，不标记弧线与圆盘之间的空隙。"}},{"name":"Red orbiting arc","description":"A coral-red curved stroke appears outside the central disk on blue, moving around it alongside the turquoise and orange strokes before shrinking away.","membership":"Include only the red curved stroke and its visible shortened forms. Exclude the disk, other arcs, and unfilled space.","id":"obj_018","temporal":{"status":"found","start_s":11.75,"end_s":13.25,"reference_s":12.0,"evidence":"目标是蓝色背景上、中央圆盘外随青绿和橙色弧线运动的珊瑚红曲线。首个符合帧为11.75秒，已呈独立弧形；持续保留其缩短形态，最后符��帧为13.00秒。前一帧11.50秒尚无红弧，后一帧13.25秒红弧已消失，红色圆盘不属于目标。选择12.00秒作为关键帧，此时红弧清晰，与圆盘及其他弧线分离。","start_frame":282,"end_frame":318,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[521.9,278.7,581.3,350],"positive_points":[[525,284.3],[536.5,291.7],[549,303.7],[559.9,317.6],[569.3,331.5],[577.6,343.5]],"negative_points":[[489.6,485.2],[575.5,263.9],[416.7,633.3],[500,240]],"evidence":"目标是中央黄色圆盘右上方、橙色长弧内侧的珊瑚红短弧。边界框紧贴红色笔画的可见范围；六个正点沿弧线分布，四个负点分别位于黄色圆盘、橙色弧、青绿色弧及远离目标的蓝色背景上。"}},{"name":"Orange orbiting arc","description":"An orange curved stroke appears farther outside the central disk on blue, grows into a broad partial arc, and moves around the disk before disappearing.","membership":"Include only the orange stroke along its open curved outline. Exclude the enclosed-looking but unfilled space, the central disk, and other strokes.","id":"obj_019","temporal":{"status":"found","start_s":12.25,"end_s":12.5,"reference_s":12.25,"evidence":"目标是蓝色背景中位于中央圆盘外围的橙色开放弧线，不含圆盘及其他色线。12.25秒为首个且最后一个完整呈现的采样帧；前一帧12.00秒橙线仍在逐步延长绘制，后一帧12.50秒已开始缩短擦除，12.75秒仅余短弧。选择12.25秒作为关键帧，此时橙弧轮廓最完整，与其他笔画清晰分离。","start_frame":294,"end_frame":300,"reference_frame":294},"grounding":{"status":"found","bbox_xyxy":[346.4,211.1,637.5,413],"positive_points":[[352.6,373.1],[388.5,286.1],[442.7,229.6],[513.5,220.4],[578.1,268.5],[630.2,385.2]],"negative_points":[[489.6,485.2],[429.2,306.5],[466.7,291.7],[494.8,157.4]],"evidence":"目标是中央黄色圆盘外围上方的橙色开放弧线。紧致边界框覆盖整条橙色笔画；六个正点沿左右端及弧顶分散放置。负点位于明确排除的黄色圆盘、红色和青色笔画，以及弧线外侧上方的蓝色背景。"}}]}
+{"video_id":259,"video_type":"icons and abstract motion graphics","targets":[{"name":"Opening upper orange tile","description":"Solid orange rectangular tile initially at the top of the central three-color stack, then moving toward the upper left.","membership":"Include the tile's full rectangular surface and boundary, including the circular animation where contained within it. Exclude surrounding background and neighboring tiles.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0.5,"evidence":"目标是开场中央三色竖直堆叠顶部的橙色矩形，随后移向左上方，内部短暂出现圆形动画。首个合格帧为0.00秒，最后为1.00秒，矩形表面与边界均完整。区间起点即视频开头，无更早帧；紧邻的1.25秒已切换为红底双立体盒状图形，原矩形 tile 不再独立呈现。选择0.50秒作为关键帧，此时目标位于左上方，无遮挡且易与其他色块区分。","start_frame":0,"end_frame":30,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[118.2,110.2,310.1,381.9],"positive_points":[[142,147],[219,134],[286,179],[157,270],[236,323],[284,359]],"negative_points":[[88,242],[352,460],[784,508],[593,779]],"evidence":"目标是已移向左上方的实心橙色矩形，而非右侧橙色块。边界框紧贴其完整矩形表面和边缘；六个正点分散在目标内部，四个负点分别位于左侧背景、中央黑色块、右侧橙色块和下方红色块。"}},{"name":"Opening black tile","description":"Solid black rectangular tile initially in the middle of the central stack, later positioned between the upper-left orange tile and lower red tile.","membership":"Include the full rectangular surface, boundary, and animation contained within the tile. Exclude adjacent tiles and background.","id":"obj_002","temporal":{"status":"found","start_s":0.0,"end_s":2.5,"reference_s":0.5,"evidence":"目标最初是中央叠层中间的黑色矩形，随后移至左上橙块与下方红块之间；1.25秒起连续变形为左侧立体结构的黑色正面，保留至2.25秒。首个合格帧为0秒，此前无采样帧；2.5秒已替换为半圆、竖条等新图形。选择0.5秒作为关键帧，黑色矩形边界完整清楚，内部圆形动画可与相邻色块明确区分。","start_frame":0,"end_frame":60,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[309.6,381.9,501.5,654.5],"positive_points":[[331,417],[473,438],[334,589],[482,622],[403,541],[410,610]],"negative_points":[[219,245],[784,510],[591,784],[565,491]],"evidence":"目标是位于左上橙色块与下方红色块之间的黑色矩形砖块。边界框紧贴完整矩形表面，包含内部橙红双色圆形动画；正点分布在黑色表面及圆形动画上，负点位于相邻橙色块、红色块和外部米色背景。"}},{"name":"Opening red tile","description":"Solid red rectangular tile initially at the bottom of the central stack, then moving down and right.","membership":"Include the full rectangular surface, boundary, and circular animation where contained within it. Exclude neighboring tiles and background.","id":"obj_003","temporal":{"status":"found","start_s":0.0,"end_s":1.25,"reference_s":0.5,"evidence":"目标是开场中央堆叠底部的红色矩形，随后向右下方移动，1.00秒时内部含圆形动画。首个合格帧为0.00秒，矩形已完整呈现；最后合格帧为1.00秒。区间前已是视频起点，无更早帧；紧邻的1.25秒帧切换为红色背景上的两个立体方框，原红色 tile 不再作为独立矩形存在。选择0.50秒作为关键帧，因为红色矩形完整、无遮挡，且与相邻色块容易区分。","start_frame":0,"end_frame":30,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[501,653.6,692.9,926.2],"positive_points":[[526,688],[658,702],[574,756],[630,813],[528,881],[668,896]],"negative_points":[[480,737],[590,602],[778,513],[406,610]],"evidence":"目标是中央黑色方块右下方的独立红色矩形，边界框紧贴其完整红色表面。六个正点分布于红色矩形内部的不同区域；负点位于外部米色背景、右侧橙色块及黑色块内的圆形上，排除邻近对象。"}},{"name":"Opening right orange tile","description":"A second orange rectangular tile appearing on the right of the staggered tile arrangement.","membership":"Include this tile's rectangular surface and boundary. Exclude the other orange tile, neighboring shapes, and background.","id":"obj_004","temporal":{"status":"found","start_s":0.25,"end_s":1.25,"reference_s":0.5,"evidence":"目标是错落排列中最右侧的橙色矩形砖块，与左上方橙色块区分。首个完整呈现帧为0.25秒，最后符合帧为1.00秒；此前0.00秒仅有中央竖直叠放的三色块，尚无右侧第二块橙色砖。1.25秒画面切换为红底双立体盒结构，不再是该矩形砖块的呈现。选择0.50秒作为关键帧，目标边界清晰、无遮挡。","start_frame":6,"end_frame":30,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[692.4,381.9,884.8,654.5],"positive_points":[[716,420],[847,412],[773,472],[722,600],[850,617],[828,540]],"negative_points":[[220,240],[350,450],[600,800],[930,500]],"evidence":"目标是错落排列中右侧的橙色矩形砖块，边界框紧贴其完整表面及外缘。六个正点分散在该砖块内部；四个负点分别位于左上橙色砖块、黑色矩形、下方红色矩形及右侧米色背景。"}},{"name":"Opening two-tone disc","description":"Small circular graphic first visible inside the upper-left orange tile, then traveling through the black and red tiles. Its contrasting segments change color and orientation.","membership":"Include the disc's circular outline and both colored segments. Where clipped by a tile edge, include only its visible portion; exclude the containing tile outside the disc.","id":"obj_005","temporal":{"status":"found","start_s":0.25,"end_s":1.25,"reference_s":0.5,"evidence":"目标是先出现在左上橙色方块内、随后穿行于黑色和红色方块中的双色小圆盘，颜色及分割线方向随运动改变。首个合格帧为0.25秒，最后为1.00秒；0.75秒在方块边缘的局部遮挡属于同一次穿行。此前0.00秒只有叠放的色块，没有圆盘；此后1.25秒已切换为红底双立体方框，圆盘消失。选择0.50秒作为关键帧，此时圆盘完整位于黑色方块内，橙红两部分清晰可辨。","start_frame":6,"end_frame":30,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[362.3,499.5,449.8,654.5],"positive_points":[[405,522],[379,552],[431,552],[380,604],[406,636],[435,600]],"negative_points":[[338,540],[477,590],[405,699],[786,524]],"evidence":"目标是黑色方块内靠下的橙红双色圆盘。边界框紧贴圆盘可见外缘，包含上部橙色和下部红色两段，不包含周围方块。六个正点分布在两个色段内；四个负点位于圆盘外的黑色方块、下方米色背景及右侧橙色方块上。"}},{"name":"First left open box","description":"Left member of the first pair of open, perspective boxes on red. It has orange and black front walls, black and cream rear walls, and a red interior opening.","membership":"Include all four walls and the interior enclosed by the box's outer silhouette. Follow the angled outline; exclude the neighboring box and exterior red background.","id":"obj_006","temporal":{"status":"found","start_s":1.25,"end_s":2.5,"reference_s":2.0,"evidence":"目标是首次出现在红色背景上的左侧透视开口盒，前壁为橙色和黑色，后壁为黑色和奶油色。1.25秒四壁及外轮廓已完整建立，随后只是开口角度变化；最后一个符合帧为2.25秒。前一帧1.00秒是平面色块与圆形，后一帧2.50秒已替换为半圆、竖条和小方块。选择2.00秒作为关键帧，盒体四壁与红色内部开口清晰，便于沿外轮廓区分左盒和相邻右盒。","start_frame":30,"end_frame":60,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[118,186,502,850],"positive_points":[[232,363],[373,376],[179,562],[279,733],[419,614],[308,516]],"negative_points":[[609,614],[786,395],[77,524],[319,918]],"evidence":"目标是左侧的敞口透视盒，具有橙色和黑色前壁、黑色和米色后壁。边界框紧贴其完整外轮廓，包含四面墙及围住的红色内部。六个正点分布在各墙面和内部开口；负点位于右侧邻盒及外部红色背景。"}},{"name":"First right open box","description":"Right member of the first open-box pair, with cream and orange front walls, black and cream rear walls, and a red interior opening.","membership":"Include all walls and the enclosed interior within this box's angled outer silhouette. Exclude the left box and exterior background.","id":"obj_007","temporal":{"status":"found","start_s":1.25,"end_s":2.5,"reference_s":2.0,"evidence":"目标为首次出现的双盒中右侧盒子：前壁为米白与橙色，后壁为黑与米白，内部露出红色。首个合格帧为1.25秒，盒体各壁及外轮廓已完整，随后只是视角与开口形状变化；最后合格帧为2.25秒。前邻帧1.00秒仍为平面色块与圆形，后邻帧2.50秒已替换为半圆、竖条和小方块。选择2.00秒作为关键帧，盒壁和红色内部清晰，便于与左盒及外部背景区分。","start_frame":30,"end_frame":60,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[501,175,885,850],"positive_points":[[630,340],[770,342],[693,515],[574,634],[667,735],[814,641]],"negative_points":[[220,560],[401,648],[926,550],[705,920]],"evidence":"目标为右侧敞口盒：前壁为米色和橙色，后壁为黑色和米色。边界框紧贴其菱角状外轮廓，包含所有盒壁及封闭的红色内部开口。正点分布于各盒壁和内部开口，负点位于左侧盒子及右侧、下方的外部红色背景。"}},{"name":"First left moving square","description":"Small tilted square first appearing in red to the left of the black semicircle. It changes color and travels above the later vertical-bar arrangement.","membership":"Include the square's filled surface and four-sided boundary throughout its rotation and recoloring. Exclude nearby semicircles, bars, and background.","id":"obj_008","temporal":{"status":"found","start_s":2.5,"end_s":4.0,"reference_s":2.5,"evidence":"目标是2.50秒时位于黑色半圆左侧的小红色倾斜方块，随后旋转、变色并移动到竖条阵列上方。首个合格帧为2.50秒，最后为3.75秒；前一帧2.25秒仅见两个立体盒状图形，后一帧4.00秒已切换为中央圆形与方块的另一构图，目标不再出现。选择2.50秒作关键帧，因方块完整无遮挡，且与邻近半圆清楚分离。","start_frame":60,"end_frame":96,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[147.5,512.2,210.5,625],"positive_points":[[158,529],[199,537],[157,594],[198,611],[175,566],[186,590]],"negative_points":[[125,562],[325,500],[500,500],[800,520]],"evidence":"目标是黑色半圆左侧的小型倾斜红色实心正方形。边界框紧贴其四个顶点，覆盖填充面和边界；六个正点分布在方形内部，四个负点分别位于左侧背景、黑色半圆、橙色竖条及右侧黑色方形上。"}},{"name":"First black semicircle","description":"Large black half-disc initially left of the central orange upright bar, rotating until its curved edge faces downward.","membership":"Include the filled half-disc bounded by its straight diameter and curved edge. Exclude the missing half of the circle and other shapes.","id":"obj_009","temporal":{"status":"found","start_s":2.5,"end_s":3.25,"reference_s":2.5,"evidence":"目标是中央橙色竖条左侧的大型黑色实心半圆，由直径边和弧边围成。首个合格帧为2.50秒；随后旋转，至3.00秒弧边朝下，仍完整可见，这是最后合格帧。前一帧2.25秒为双箱形图案，没有该半圆；后一帧3.25秒已变为柱状图，半圆消失。选择2.50秒作关键帧，目标轮廓完整、无遮挡，且与中央竖条及其他形状清楚分离。","start_frame":60,"end_frame":78,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[274.4,331.6,380.4,665.8],"positive_points":[[340,371],[300,432],[293,512],[312,585],[354.5,630],[352,482]],"negative_points":[[403,477],[179,570],[501,450],[244,470]],"evidence":"目标是中央橙色竖条左侧的大黑色实心半圆，左侧为弧边，右侧为略倾斜的直径边。边界框紧贴整个可见半圆；六个正点分布在其上、中、下部实心区域，四个负点位于两侧外部背景、左侧红方块和中央橙色条上。"}},{"name":"First central upright bar","description":"Tall narrow orange rectangle separating the two large semicircles. It later becomes cream and moves upward against orange.","membership":"Include the bar's rectangular surface and boundary, limited to its visible portion when it extends beyond the image. Exclude the later bar-chart columns.","id":"obj_010","temporal":{"status":"found","start_s":2.5,"end_s":3.0,"reference_s":2.5,"evidence":"目标是两枚大半圆之间的高窄橙色竖条，不包括后续柱状图的柱子。2.50秒首次完整出现，2.75秒仍完整可见；前一帧2.25秒为双立方体图案，没有该竖条。后一帧3.00秒竖条变为米白色并向上移出画面，已被顶部边界裁切，因此不纳入。选择2.50秒作为关键帧，竖条边界完整且与两侧半圆清楚分离。","start_frame":60,"end_frame":72,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[474.1,196.2,527.8,810.8],"positive_points":[[490,241],[512,337],[485,459],[515,568],[494,683],[508,785]],"negative_points":[[329,500],[678,500],[441,321],[562,741]],"evidence":"目标是位于两个大半圆之间的高窄橙色竖直矩形。边界框紧贴其完整可见表面；六个正点分布在矩形上、中、下部，四个负点位于两侧半圆及矩形外的米色背景上。"}},{"name":"First red semicircle","description":"Large red half-disc initially right of the central upright bar, rotating into a bowl-like orientation.","membership":"Include the filled half-disc and its straight and curved boundaries. Exclude the absent half-circle and neighboring shapes.","id":"obj_011","temporal":{"status":"found","start_s":2.5,"end_s":3.25,"reference_s":2.5,"evidence":"目标是中央竖条右侧的大型红色实心半圆，随后旋转成碗状。首个合格帧为2.50秒，半圆的直边与弧边均已完整呈现；最后合格帧为3.00秒，旋转后仍完整可见。前一帧2.25秒显示两个立体方框，没有该半圆；后一帧3.25秒已换成柱状排列，半圆消失。选择2.50秒作为关键帧，因为目标轮廓清楚、无遮挡，且与邻近形状分离。","start_frame":60,"end_frame":78,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[626,332.5,730.5,667.5],"positive_points":[[654,369],[690,419],[708,499],[687.5,582.5],[641,634],[653,504]],"negative_points":[[500,500],[798,520],[600,500],[680,280]],"evidence":"目标是中央橙色竖条右侧的大红色半圆盘，左侧为略倾斜的直边，右侧为圆弧。边界框紧贴整个可见半圆盘；六个正点分布于其上、中、下部的红色填充区域，四个负点位于橙色竖条、右侧黑色方块及半圆盘外的背景。"}},{"name":"First right moving square","description":"Small tilted black square initially beyond the red semicircle on the right. It changes color and moves above the subsequent vertical bars.","membership":"Include the square's full filled region and boundary through movement, rotation, and color changes. Exclude bars, semicircles, and background.","id":"obj_012","temporal":{"status":"found","start_s":2.5,"end_s":4.0,"reference_s":2.5,"evidence":"目标是2.50秒红色半圆右侧完整出现的小黑色倾斜方块，随后移动至竖条上方，并发生旋转和颜色变化。首个合格帧为2.50秒，最后为3.75秒；前一帧2.25秒是双盒状图形，没有该方块，后一帧4.00秒已切换为中央圆形内的大方块构图，原目标消失。选择2.50秒作为关键帧，因目标独立清晰、无遮挡，且与红色半圆的位置关系明确。","start_frame":60,"end_frame":96,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[767.6,467.0,830.6,579.0],"positive_points":[[776.9,491.3],[814.5,484.4],[782.2,554.7],[819.8,553.0],[797.9,513.9],[815.0,524.3]],"negative_points":[[678.7,494.8],[501.5,520.8],[849.6,520.8],[793.5,421.0]],"evidence":"目标是红色半圆右侧的小型倾斜黑色方块。边界框紧贴方块的完整填充区域及旋转后的外缘；六个正点分布在方块内部不同部位，四个负点分别位于红色半圆、橙色竖条以及方块上方和右侧的背景中。"}},{"name":"First nine-bar arrangement","description":"Nine narrow vertical columns on orange, rising toward a tall black central column and descending toward both ends. The columns alternate cream, black, and red, with some color updates.","membership":"Include the nine filled rectangular columns as one coherent bar graphic. Exclude the orange gaps and background, and exclude the independently moving squares.","id":"obj_013","temporal":{"status":"found","start_s":3.25,"end_s":4.0,"reference_s":3.75,"evidence":"目标为橙色背景上九根窄竖柱组成的完整柱形图，中央黑柱最高，两侧逐级降低，不包括独立运动的方块。首个合格帧为3.25秒，最后为3.75秒；此前3.00秒仅见底部被裁切的单根黑柱，九柱结构尚未完整呈现，此后4.00秒已替换为黑底上的矩形、菱形与圆形图案。选择3.75秒作为关键帧，九根柱体完整清晰，移动方块与柱体分离，便于标注。","start_frame":78,"end_frame":96,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[145,281.3,857,888],"positive_points":[[174,813],[337,652],[419,487],[501,335],[666,728],[829,834]],"negative_points":[[173,565],[784,408],[574,193],[499,947]],"evidence":"目标为九根先升高后降低、以最高黑柱居中的彩色矩形柱。边界框紧贴��部九柱的整体范围；六个正点分布在左右及中央的实心柱内。负点位于左侧红色独立方块、右上奶油色独立方块及图形上方和下方的橙色背景，不标记柱间空隙。"}},{"name":"Rectangular eye-like emblem","description":"Centered horizontal red panel on black containing an elongated orange diamond, a black circle, and a rotating cream square inside the circle.","membership":"Include the red panel's full rectangular surface and boundary and all enclosed diamond, circle, and square regions. Exclude the exterior black background.","id":"obj_014","temporal":{"status":"found","start_s":4.0,"end_s":5.0,"reference_s":4.5,"evidence":"目标是黑色背景中央的横向红色矩形面板，内含细长橙色菱形、黑圆及旋转的奶油色方块。4.00秒首次完整呈现，虽随后缩放和旋转，但结构已齐全；最后符合帧为4.75秒。此前3.75秒为橙底柱状图形，此后5.00秒已替换为奶油色背景上的多层嵌套矩形。选择4.50秒作为关键帧，因为面板边界及内部各形状清晰、无遮挡。","start_frame":96,"end_frame":120,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[201.7,297.7,798.8,685.8],"positive_points":[[251,340],[742,645],[339,494],[692,486],[431,419],[511,510]],"negative_points":[[153,500],[852,490],[509,230],[492,756]],"evidence":"目标是黑色背景中央的横向红色矩形徽记，内含橙色长菱形、黑色圆形和奶油色旋转方形。边界框紧贴红色面板完整外缘；六个正点分布在面板及其内部各色图形上，四个负点位于面板左、右、上、下的外部黑色背景。"}},{"name":"Nested rotating rectangles","description":"A compact tunnel-like graphic of successively smaller red, black, cream, and orange rectangles, rotating and skewing around a black rectangular center.","membership":"Include the outermost rectangle's boundary and its entire enclosed area, including every nested layer. Follow its changing outer outline; exclude the surrounding cream background.","id":"obj_015","temporal":{"status":"found","start_s":5.0,"end_s":6.0,"reference_s":5.0,"evidence":"目标为围绕黑色矩形中心、由红黑奶油色和橙色多层矩形组成的旋转隧道图形。5.00秒首次完整呈现，至5.75秒外边界及全部嵌套层仍完整可见，旋转和倾斜不影响纳入。前一帧4.75秒是黑底上的圆形与菱形组合；后一帧6.00秒已替换为红底折线条纹图形。选择5.00秒作为关键帧，因为各层矩形清晰分离，最外层边界完整且无遮挡。","start_frame":120,"end_frame":144,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[84.5,191,907.2,793.4],"positive_points":[[127,468.8],[512.7,258.7],[849.6,555.6],[498,738.7],[302.7,538.2],[498,486.1]],"negative_points":[[39.1,477.4],[952.1,503.5],[507.8,121.5],[507.8,868.1]],"evidence":"目标是围绕黑色矩形中心逐层旋转的红、黑、奶油色和橙色嵌套图形。边界框紧贴最外层红色矩形的四个极值，涵盖其边界及全部内部层次。六个正点分布在外层四周、橙色层和黑色中心；四个负点位于图形外部上下左右的奶油色背景。"}},{"name":"Striped perspective block","description":"Large perspective graphic on red with alternating cream, orange, black, and red chevron-like bands and a black diamond-shaped end face containing a patterned oval.","membership":"Include the striped faces, black end face, and enclosed oval pattern. Follow the true outer outline, preserving its notches and concavities; exclude exterior background. The separately listed disc belongs to this region only where it overlaps the block.","id":"obj_016","temporal":{"status":"found","start_s":6.0,"end_s":6.75,"reference_s":6.5,"evidence":"目标为红色背景上的透视条纹块，具有奶油色、橙色、黑色和红色折线条带，以及内含图案椭圆的黑色菱形端面。6.00秒已完整呈现，至6.50秒仍保持完整，移动与外侧圆盘的重叠变化不影响其连续性。前一帧5.75秒为嵌套矩形图案，后一帧6.75秒已替换为浅色背景上的色块。选择6.50秒作为关键帧，因为端面与椭圆图案清楚，独立圆盘基本移至块体外，便于辨认真实轮廓。","start_frame":144,"end_frame":162,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[144,126,772,874],"positive_points":[[230,304],[312,773],[596,781],[427,208],[684,373],[654,556]],"negative_points":[[80,500],[510,950],[900,300],[807,499]],"evidence":"目标是红底上的大型条纹透视块，右端为含图案椭圆的黑色菱形面。框覆盖条纹面及端面，右侧圆盘仅计入与块体重叠的部分。正点分布在上下条纹、黑色端面和椭圆图案上；负点位于外围红底及圆盘伸出块体的部分。"}},{"name":"Disc emerging from striped block","description":"Cream-and-orange two-tone disc emerging from the patterned oval in the striped block's right end and moving outward to the right.","membership":"Include the complete circular disc and its two colored segments wherever visible. Exclude the patterned oval and block surfaces outside the disc.","id":"obj_017","temporal":{"status":"found","start_s":6.0,"end_s":6.75,"reference_s":6.5,"evidence":"目标是条纹块右端花纹椭圆中向右移出的奶油色与橙色双拼圆盘，不包括椭圆及块体表面。6.00秒圆盘自身的完整圆形结构已建立，至6.50秒仍完整可见；前一帧5.75秒为嵌套矩形，后一帧6.75秒已切换为色块场景，圆盘消失。选择6.50秒作为关键帧，圆盘已移至块体右侧，与花纹椭圆分离，轮廓最清楚。","start_frame":144,"end_frame":162,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[726,408,828,590],"positive_points":[[756.8,446.2],[789.1,442.7],[807.6,479.2],[743.7,515.6],[771.5,556.4],[804.2,532.1]],"negative_points":[[669,442.7],[712.9,399.3],[854.5,501.7],[771.5,633.7]],"evidence":"目标是条纹块右端向右伸出的双色圆盘，上部为奶油色、下部为橙色。边界框紧贴完整圆盘；六个正点分布在两个色块内，负点位于左侧图案椭圆、黑色块面及圆盘右侧和下方的红色背景，均不属于圆盘。"}},{"name":"Returning upper-left orange tile","description":"Orange rectangular tile in the renewed staggered tile sequence following the striped block, initially above and left of the black tile.","membership":"Include the full rectangular surface and boundary, with the circular animation where contained inside it. Exclude other tiles and background.","id":"obj_018","temporal":{"status":"found","start_s":6.75,"end_s":8.0,"reference_s":7.0,"evidence":"目标是条纹块场景之后重新出现的错落方块组中、位于黑色块左上方的橙色矩形。6.75秒其完整表面和边界已建立，最后符合条件的帧为7.75秒；此前6.50秒仍为条纹块，之后8.00秒已切换为红底折叠盒状图形。选择7.00秒作为关键帧，橙色矩形边界清楚，内部圆形完整可见，易与其他色块区分。","start_frame":162,"end_frame":192,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[128,109.4,320.3,382.8],"positive_points":[[153,143],[290,158],[162,330],[235,210],[241,310],[282,298]],"negative_points":[[100,260],[410,510],[780,490],[590,780]],"evidence":"目标是黑色矩形左上方的橙色瓷砖。边界框紧贴其完整矩形表面，包含内部的双色圆形动画。六个正点分布在橙色表面及圆形两部分；负点位于外部米色背景、黑色瓷砖、右侧橙色瓷砖和下方红色瓷砖。"}},{"name":"Returning black tile","description":"Black rectangular tile in the renewed staggered arrangement, between the upper-left orange tile and lower red tile.","membership":"Include the tile's full rectangular surface, boundary, and contained circular animation. Exclude neighboring tiles and background.","id":"obj_019","temporal":{"status":"found","start_s":6.75,"end_s":8.0,"reference_s":7.25,"evidence":"目标是再次出现的错落排列中，位于左上橙色块与下方红色块之间的黑色矩形，包含其内部圆形动画。首个合格帧为6.75秒，矩形表面和边界已完整；最后合格帧为7.75秒。前一帧6.50秒仍为条纹几何图案，后一帧8.00秒已替换为红底立体箱形图案。选择7.25秒作关键帧，黑色矩形边界清晰，内部圆形完整可见，便于与相邻色块区分。","start_frame":162,"end_frame":192,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[309.6,381.9,501.5,654.5],"positive_points":[[335,416],[475,428],[330,598],[482,607],[426,540],[427,615]],"negative_points":[[214,245],[594,785],[783,514],[266,550]],"evidence":"目标是左上橙色块与下方红色块之间的黑色矩形砖块。边界框紧贴其完整矩形表面，包含内部橙红双色圆形动画。正点分布在黑色表面及圆形内部；负点位于相邻橙色、红色砖块和左侧米色背景。"}},{"name":"Returning right orange tile","description":"Second orange rectangular tile on the right of the renewed staggered arrangement.","membership":"Include this tile's filled rectangle and boundary. Exclude the upper-left orange tile, other neighboring shapes, and background.","id":"obj_020","temporal":{"status":"found","start_s":6.75,"end_s":8.0,"reference_s":7.25,"evidence":"目标是再次出现的错落排列中右侧橙色实心矩形，区别于左上橙色块。首个合格帧为6.75秒，矩形已成形，左侧被黑色块局部遮挡；随后展开移动，最后合格帧为7.75秒。前一帧6.50秒仍是红底条纹几何图案，后一帧8.00秒已替换为红底立体箱形场景。选择7.25秒作关键帧，目标完整无遮挡，边界清晰。","start_frame":162,"end_frame":192,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[692.4,381.9,884.3,654.5],"positive_points":[[716,414],[839,407],[772,476],[866,535],[727,619],[831,629]],"negative_points":[[211,237],[350,455],[589,781],[931,516]],"evidence":"目标是交错排列中右侧的第二块橙色矩形。边界框紧贴该矩形的完整填充区域与边界；六个正点分散在其内部，四个负点分别位于左上橙色块、黑色块、下方红色块和右侧背景，均不属于目标。"}},{"name":"Returning red tile","description":"Red rectangular tile below the black and right orange tiles in the renewed staggered arrangement.","membership":"Include its full rectangular surface and boundary, including the disc where contained inside it. Exclude adjacent tiles and exterior background.","id":"obj_021","temporal":{"status":"found","start_s":6.75,"end_s":8.0,"reference_s":7.75,"evidence":"目标是再次出现的错落排列中，位于黑色块及右侧橙色块下方的红色矩形块。6.75秒首次显示完整表面和边界，至7.75秒仍完整可见，内部圆盘的出现不改变其身份。前一帧6.50秒为红底条纹几何图案，后一帧8.00秒已切换为双立体方框，目标不再出现。选择7.75秒作为关键帧，红块边界清晰，内部圆盘完整可辨。","start_frame":162,"end_frame":192,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[501,584.2,692.9,856.8],"positive_points":[[527,634],[659,621],[647,805],[513,816],[547,781],[588,790]],"negative_points":[[439,521],[781,521],[586,477],[586,911]],"evidence":"目标是黑色块右下方、右侧橙色块左下方的红色矩形。边界框紧贴其完整矩形边缘，包含内部圆盘。正点分布在红色表面及圆盘的两种色区；负点位于相邻黑色块、右侧橙色块以及目标上方和下方的外部背景。"}},{"name":"Returning two-tone disc","description":"Small segmented circle first visible in the renewed upper-left orange tile, then moving through the black tile into the red tile while its colors and dividing angle change.","membership":"Include the disc's circular region and colored segments. Include only the visible portion during clipping at tile edges; exclude the surrounding tile surface.","id":"obj_022","temporal":{"status":"found","start_s":7.0,"end_s":8.0,"reference_s":7.25,"evidence":"目标是再次出现的双色小圆盘：7.00秒位于左上橙色块内，随后经过黑色块，7.75秒进入红色块，分色及分割角度持续变化。首个合格帧为7.00秒，最后为7.75秒；7.50秒在色块边缘的局部裁切按目标描述保留。前一帧6.75秒只有色块、没有圆盘，后一帧8.00秒已切换为双盒状图形，圆盘消失。选择7.25秒为关键帧，圆盘完整可见，与黑色背景对比清晰。","start_frame":168,"end_frame":192,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[382.8,499.1,470.2,654.5],"positive_points":[[414.1,526],[444,543.4],[394,560],[400,600],[427,628],[454,607]],"negative_points":[[356,539],[486,558],[425,703],[583,750]],"evidence":"目标是黑色方块下部的橙红双色圆盘，分界线向右下倾斜。边界框紧贴可见圆盘外缘，涵盖两个色块；六个正点分散在圆盘的橙色和红色区域，四个负点位于周围黑色块面、下方米色背景及右下红色方块上。"}},{"name":"Returning left open box","description":"Left box in the renewed pair on red after the second tile sequence, with orange and black front walls and black and cream rear walls.","membership":"Include all walls and the interior enclosed by this box's angled outer silhouette. Exclude the neighboring right box and exterior red background.","id":"obj_023","temporal":{"status":"found","start_s":8.0,"end_s":9.25,"reference_s":8.75,"evidence":"目标是第二次方块序列之后，红色背景上重新出现的一对盒子中的左盒：前壁为橙色和黑色，后壁为黑色和奶油色。8.00秒时盒子的完整外轮廓及各壁已建立，之后开口角度变化仍属完整对象，最后合格帧为9.00秒。此前7.75秒仍是平面方块序列，此后9.25秒已切换为半圆与竖条图案。选择8.75秒作为关键帧，因为左盒各壁和内部区域清晰，易与右盒及外部红色背景区分。","start_frame":192,"end_frame":222,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[118,185,502,850],"positive_points":[[196,576],[281,749],[240,365],[374,375],[310,516],[418,623]],"negative_points":[[66,510],[310,100],[602,639],[796,570]],"evidence":"目标是左侧敞口盒，前壁为橙色和黑色，后壁为黑色和奶油色。边界框紧贴该盒的倾斜外轮廓，覆盖全部盒壁及围合的红色内部。六个正点分布在各盒壁和内部；负点位于外部红色背景及右侧相邻盒上。"}},{"name":"Returning right open box","description":"Right box in the renewed pair, with cream and orange front walls, black and cream rear walls, and a red interior opening.","membership":"Include all walls and the enclosed interior within this box's outer silhouette. Exclude the left box and exterior background.","id":"obj_024","temporal":{"status":"found","start_s":8.0,"end_s":9.25,"reference_s":8.75,"evidence":"目标是再次出现的双盒中右侧盒子，前壁为米色和橙色，后壁为黑色和米色，内部露出红色。8.00秒时完整外形已建立，随后开口扩大属于完整盒子的形变；最后合��帧为9.00秒。前一帧7.75秒为平面方块和圆形，后一帧9.25秒已替换为半圆、竖条等图形。选择8.75秒作为关键帧，盒壁和红色内部清晰，便于与左盒区分。","start_frame":192,"end_frame":222,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[501,175.3,884.8,850],"positive_points":[[618,345],[763,355],[693,510],[581,620],[794,635],[665,775]],"negative_points":[[406,634],[217,655],[927,513],[700,95]],"evidence":"目标是右侧开口盒，前壁为米色和橙色，后壁为黑色和米色。边界框紧贴该盒的外轮廓，包含所有墙面及围合的红色内部。正点分布于各墙面和内部开口；负点位于左盒及右盒外侧、上方的红色背景。"}},{"name":"Returning left moving square","description":"Small red tilted square appearing to the left of the black semicircle in the final semicircle sequence, later becoming black as it moves inward against orange.","membership":"Include the square's filled surface and boundary through its rotation, movement, and recoloring. Exclude adjacent semicircles, bars, and background.","id":"obj_025","temporal":{"status":"found","start_s":9.25,"end_s":10.0,"reference_s":9.25,"evidence":"目标是末段半圆场景中黑色半圆左侧的小红色倾斜方块。首个合格帧为9.25秒，9.50秒仍为红色并向下移动，9.75秒移向内侧并在橙色背景上变为黑色，轮廓始终完整。此前9.00秒为双空心盒图案，尚无该方块。最后合格帧为9.75秒，区间延续至视频末尾10.00秒，无后续帧可检查。选择9.25秒为关键帧，方块完整且与相邻半圆、竖条清晰分离。","start_frame":222,"end_frame":240,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[131.3,545.1,201.7,670.5],"positive_points":[[146,587],[179,574],[189,629],[155,646],[166,609],[172,636]],"negative_points":[[110,610],[322,500],[500,500],[818,540]],"evidence":"目标是黑色半圆左侧的小红色倾斜实心方块。边界框紧贴方块旋转后的可见外缘；六个正点分布在红色填充区域，四个负点分别位于左侧背景、黑色半圆、中央橙色竖条和右侧黑色方块上。"}},{"name":"Returning black semicircle","description":"Large black half-disc left of the central orange bar in the final semicircle sequence, rotating toward a downward-curving bowl shape.","membership":"Include the filled half-disc bounded by its diameter and curved edge. Exclude the absent half-circle and neighboring graphics.","id":"obj_026","temporal":{"status":"found","start_s":9.25,"end_s":10.0,"reference_s":9.25,"evidence":"目标是最终半圆序列中中央橙色竖条左侧的大黑色实心半圆。9.25秒首次完整出现，随后旋转，至9.75秒呈向上开口的碗形，仍完整可见。前一帧9.00秒为双箱形图案，目标尚未出现；最后合格帧为9.75秒，区间延续至视频结束10.00秒，之后无采样帧。选择9.25秒作为关键帧，因半圆边界清晰、无遮挡，且与邻近图形分离。","start_frame":222,"end_frame":240,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[267.1,333.3,376.5,666.0],"positive_points":[[336.4,363.7],[299.8,414.1],[282.7,488.7],[296.9,574.7],[333.0,629.3],[358.9,616.3]],"negative_points":[[400.0,477.0],[501.0,460.0],[682.0,490.0],[166.0,608.0]],"evidence":"目标是中央橙色竖条左侧的大型黑色实心半圆，右侧为倾斜直径边。边界框紧贴其可见直边和弧边；六个正点分布在黑色填充的上、中、下部，四个负点分别位于其右侧外部背景、橙色竖条、右侧红色半圆和左侧红色方块。"}},{"name":"Returning central upright bar","description":"Tall orange rectangle between the final pair of semicircles, later cream and shifted upward against an orange background.","membership":"Include its rectangular surface and boundary, limited to the visible portion as it leaves the top of the image. Exclude the separate columns entering from below.","id":"obj_027","temporal":{"status":"found","start_s":9.25,"end_s":9.75,"reference_s":9.25,"evidence":"目标是末次出现的黑、红半圆之间的中央橙色竖长条。9.25秒首次完整呈现，9.50秒仍完整可见；此前9.00秒为双箱形图案，没有该竖条。9.75秒竖条变为米白色并向上移出，顶部已被画面边界裁切，故不纳入。选择9.25秒作为关键帧，矩形边界完整且无遮挡，也易与下方随后进入的独立柱条区分。","start_frame":222,"end_frame":234,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[473.1,196.2,528.8,811.0],"positive_points":[[486,222],[515,334],[490,448],[512,561],[487,687],[514,784]],"negative_points":[[330,487],[683,493],[439,320],[567,723]],"evidence":"目标是黑色与红色半圆之间的中央橙色竖直长条。边界框紧贴其完整可见矩形表面；六个正点分布在长条上、中、下各部分，四个负点位于两侧半圆及外部米色背景。"}},{"name":"Returning red semicircle","description":"Large red half-disc right of the central bar in the final semicircle sequence, rotating toward a bowl-like orientation.","membership":"Include the filled half-disc and its straight and curved boundaries. Exclude the missing half of the circle and other shapes.","id":"obj_028","temporal":{"status":"found","start_s":9.25,"end_s":10.0,"reference_s":9.25,"evidence":"目标为最后一组半圆动画中、中央竖条右侧的大红色半圆。9.25秒首次完整出现，9.50秒继续旋转，9.75秒呈碗状且直边和弧边仍完整，因此最后合格帧为9.75秒。前一帧9.00秒为双盒状图形，尚无该目标；区间延续至视频结束，没有后续采样帧。选择9.25秒作为关键帧，目标完整清晰，与竖条及右侧小黑方块分离，便于标注。","start_frame":222,"end_frame":240,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[627.9,333.3,734.4,666.7],"positive_points":[[657.2,369.8],[690.9,416.7],[714.4,486.1],[696.3,577.3],[644.5,630.2],[659.2,493.1]],"negative_points":[[600,750],[817,540],[501,510],[320,500]],"evidence":"目标是中央橙色竖条右侧的大红色半圆盘。边界框紧贴其倾斜直边与外侧弧形边界，覆盖完整可见半圆。六个正点分布在红色填充的上、中、下部；负点位于外部米色背景、右侧黑色方块、中央橙条和左侧黑色半圆上。"}},{"name":"Returning right moving square","description":"Small tilted black square beyond the final red semicircle, later becoming cream as it moves inward and downward.","membership":"Include the square's filled region and four-sided boundary throughout movement and recoloring. Exclude nearby semicircles, bars, and background.","id":"obj_029","temporal":{"status":"found","start_s":9.25,"end_s":10.0,"reference_s":9.25,"evidence":"目标是末段红色半圆右侧的小型倾斜黑色方块，随后向内移动并在9.75秒变为奶油色，四边及填充始终完整。首个合格帧为9.25秒，前一帧9.00秒仍是双箱形图案，没有该方块；最后合格帧为9.75秒，视频到10.00秒结束，无后续采样帧。选择9.25秒作为关键帧，方块与半圆分离、无遮挡，边界清晰。","start_frame":222,"end_frame":240,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[782.7,478.3,852.1,602.4],"positive_points":[[802,496],[838,512],[837,565],[826,582],[794,562],[815,541]],"negative_points":[[689,497],[773,509],[864,564],[502,538]],"evidence":"目标是红色半圆右侧的小型倾斜黑色方块。边界框紧贴其四个顶点，覆盖完整填充区域及边界；六个正点分散在方块内部，四个负点位于左侧红色半圆、中央橙色竖条及方块外侧背景。"}}]}
+{"video_id":260,"video_type":"icons and abstract motion graphics","targets":[{"name":"Left orange vertical bar","description":"The leftmost of three narrow orange bars on the opening blue field. It slides farther left while retaining its upright rectangular shape.","membership":"The filled orange rectangle and its edges only; exclude the blue background and the other bars.","id":"obj_001","temporal":{"status":"found","start_s":0.25,"end_s":1.75,"reference_s":0.75,"evidence":"目标是开场蓝底上三根橙色细竖条中最左的一根，随后向左平移并保持完整直立矩形。首个合格帧为0.25秒，最后为1.50秒；此前0.00秒仅有蓝底，此后1.75秒原竖条已消失，画面变为大块色面。选择0.75秒作为关键帧，此时目标完整清晰，与其他竖条分离，便于标注。","start_frame":6,"end_frame":42,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[152.6,283.3,162.5,477.8],"positive_points":[[157,304],[158,336],[156.5,372],[158.4,410],[157,444],[158,466]],"negative_points":[[282,376],[384,377],[140,361],[179,440]],"evidence":"目标是蓝色背景上三根窄橙色竖条中最左侧的一根。边界框紧贴其完整填充矩形及边缘；六个正点分布在条内不同高度，负点位于另外两根橙色竖条及目标两侧远离边缘的蓝色背景上。"}},{"name":"Middle orange vertical bar","description":"The middle of the three opening orange bars, positioned between the moving left bar and the stationary right bar.","membership":"This individual orange rectangle, including its fill and edges; exclude the neighboring bars and background.","id":"obj_002","temporal":{"status":"found","start_s":0.25,"end_s":1.0,"reference_s":0.5,"evidence":"目标是开场三根橙色竖条中位于另外两根之间的独立矩形。0.25秒首次完整出现，至0.75秒仍完整可见；此前0.00秒只有蓝色背景，之后1.00秒中间竖条已消失，仅剩左右两根。选择0.50秒为关键帧，此时三根竖条清晰分离，目标无遮挡，便于标注。","start_frame":6,"end_frame":24,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[277.08,283.33,287.5,477.78],"positive_points":[[280.5,299],[284,332],[281.5,368],[283.5,401],[280,439],[284.5,465]],"negative_points":[[219,375],[384,375],[260,410],[304,340]],"evidence":"目标是左侧三根橙色竖条中居中的一根。边界框紧贴该矩形的完整填充和��缘；六个正点分布在条内不同高度，负点位于左右相邻橙条及目标外侧蓝色背景上。"}},{"name":"Right orange vertical bar","description":"The rightmost of the three narrow orange bars, standing to the left of the wider yellow bar.","membership":"This individual orange rectangle and its edges only; exclude the yellow bar and surrounding blue field.","id":"obj_003","temporal":{"status":"found","start_s":0.25,"end_s":1.75,"reference_s":0.5,"evidence":"目标是三根细橙色竖条中最右侧的一根，位于较宽黄色竖条左边。首个合格帧为0.25秒，橙色矩形及边缘已完整呈现；最后合格帧为1.50秒。前一帧0.00秒只有蓝色背景，后一帧1.75秒已变为大块色面，目标竖条不再可见。选择0.50秒作为关键帧，三根橙条与黄色竖条均清晰可辨，目标无遮挡。","start_frame":6,"end_frame":42,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[379.17,284.26,389.06,477.78],"positive_points":[[382,303],[386,334],[383,367],[386,401],[382,438],[385,464]],"negative_points":[[365,380],[405,410],[282,370],[540,420]],"evidence":"目标是三根窄橙色竖条中最右侧、宽黄色竖条左侧的那一根。边界框紧贴该橙色矩形及其边缘；六个正点分布在条内不同高度，四个负点位于两侧蓝色背景、另一根橙条和黄色条上。"}},{"name":"Yellow vertical bar","description":"A wider yellow rectangle to the right of the opening orange bars. It lengthens downward and later shifts toward the right edge.","membership":"The complete filled yellow rectangle throughout its length and position changes; exclude all neighboring shapes and the background.","id":"obj_004","temporal":{"status":"found","start_s":0.25,"end_s":1.5,"reference_s":0.75,"evidence":"目标是开场橙色细条右侧较宽的黄色实心矩形。0.25秒首次呈现完整矩形，随后向下伸长，1.25秒移至右侧但仍完整可见；这些长度和位置变化均保留。前一帧0.00秒只有蓝色背景，后一帧1.50秒黄色竖条已消失。最后合格帧为1.25秒。选择0.75秒作为关键帧，此时竖条轮廓清晰、无遮挡，且与周围形状容易区分。","start_frame":6,"end_frame":36,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[529.17,283.33,552.08,585.19],"positive_points":[[535,308],[546,356],[537,414],[545,468],[535,523],[544,566]],"negative_points":[[384,380],[350,610],[508,437],[576,480]],"evidence":"目标是三根橙色竖条右侧的较宽黄色竖直矩形。边界框紧贴黄色矩形的完整可见范围；六个正点分布在其内部不同高度，四个负点位于橙条、粉色横条及左右外部蓝色背景上。"}},{"name":"Magenta horizontal bar","description":"A short magenta rectangle appearing below the orange bars, then extending leftward to the edge of the image.","membership":"The solid rectangular bar and its edges as it extends; exclude the surrounding color field and independently drawn shapes.","id":"obj_005","temporal":{"status":"found","start_s":0.75,"end_s":1.75,"reference_s":0.75,"evidence":"目标是橙色竖条下方的实心洋红色横条，0.75秒首次呈现完整短矩形，随后向左延伸至画面边缘，最后符合条件的帧为1.50秒。前一帧0.50秒仅见洋红色小方块，尚无横条；后一帧1.75秒横条已变为大面积洋红色区域，不再是指定横条。选择0.75秒作为关键帧，因短横条四边完整、无遮挡，便于标注。","start_frame":18,"end_frame":42,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[308.3,588.9,395.8,632.4],"positive_points":[[316,601],[331,620],[345,603],[365,619],[380,602],[390,622]],"negative_points":[[350,677],[384,389],[541,434],[716,778]],"evidence":"目标是橙色竖条下方的短洋红色横向矩形。边界框紧贴其可见矩形及边缘；六个正点分布在横条内部，负点位于下方蓝色背景、橙色竖条、黄色竖条及右下方独立的洋红色方块上。"}},{"name":"Small rotating square","description":"A small magenta square in the lower-right portion of the opening blue scene. It enlarges, turns coral, rotates, and develops rounded corners.","membership":"The filled square or rounded-square silhouette, following its rotation and scaling; exclude the detached curved motion marks around it.","id":"obj_006","temporal":{"status":"found","start_s":0.5,"end_s":1.5,"reference_s":1.25,"evidence":"目标是开场蓝色背景右下方的小洋红色方块，随后放大、旋转并变为珊瑚色圆角方块，不包括周围分离的弧形运动线。首个合格帧为0.50秒，最后为1.25秒；此前0.25秒尚无该方块，此后1.50秒已变为黄色圆形，方块外形不再存在。选择1.25秒作为关键帧，因为目标较大、轮廓完整清晰，便于与周围运动线区分。","start_frame":12,"end_frame":36,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[669.3,695.4,762.5,860.2],"positive_points":[[721.9,717.6],[682.8,762.0],[703.6,816.7],[718.8,838.0],[750.0,790.7],[716.1,775.0]],"negative_points":[[742.7,630.6],[632.3,726.9],[800.5,817.6],[688.0,925.0]],"evidence":"目标是蓝色背景右下方旋转后的珊瑚色圆角实心方块。边界框紧贴方块的可见轮廓，不包含周围分离的弧形运动标记。六个正点分布于方块内部各部位，四个负点位于其上、下、左、右的独立弧形标记上。"}},{"name":"Yellow circle on blue","description":"A yellow disk in the upper-right blue area beside the large left color block. It moves slightly downward and grows substantially before disappearing.","membership":"The complete circular disk, including its circumference and enclosed fill; exclude the blue field and adjacent rectangular color areas.","id":"obj_007","temporal":{"status":"found","start_s":1.5,"end_s":3.25,"reference_s":3.0,"evidence":"目标是蓝色区域中的黄色实心圆盘，随后位于左侧大色块右边，并移动、放大。首个合格帧为1.50秒，圆周与填充完整；前一帧1.25秒对应位置仍是橙色旋转圆角方块，并非黄色圆盘。最后合格帧为3.00秒，放大的圆盘仍完整可见；下一帧3.25秒右上区域已变为黄色矩形色面，圆盘消失。选择3.00秒作为关键帧，因为圆盘较大、轮廓清楚且无遮挡。","start_frame":36,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[559.4,38,872.4,594.4],"positive_points":[[704,107],[610,220],[794,238],[844,365],[739,541],[620,433]],"negative_points":[[520,320],[915,290],[260,360],[726,674]],"evidence":"目标是右上方蓝色区域内的黄色实心圆盘。边界框紧贴完整圆盘的上下左右边缘；六个正点分布于圆盘内部的不同部位，四个负点分别位于外围蓝色背景、左侧紫色块和下方橙色区域，均远离圆盘边缘。"}},{"name":"Upper purple horizontal stroke","description":"The highest of three purple, round-ended horizontal strokes on the orange lower field. It initially reaches in from the left edge and later retracts toward the right.","membership":"This stroke's filled elongated silhouette, including its rounded ends where visible; exclude the other two strokes and the orange background.","id":"obj_008","temporal":{"status":"found","start_s":2.5,"end_s":3.5,"reference_s":2.75,"evidence":"目标是橙色下半区三条紫色圆端横线中最上方的一条。2.50秒首次呈现已建立的长条轮廓，左端延伸至画面边缘属于其裁切式设计；至3.25秒保持完整。前一帧2.25秒尚无该横线，后一帧3.50秒其右端不动、左侧开始回缩擦除，因此不纳入。选择2.75秒作为关键帧，横线清晰且与另外两条分离。","start_frame":60,"end_frame":84,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[0,710.2,882.8,745.4],"positive_points":[[32,726],[186,730],[354,724],[528,731],[703,726],[869,729]],"negative_points":[[264,675],[925,729],[541,808],[717,887]],"evidence":"目标是橙色下半区域中最高的一条紫色横线。边界框紧贴其可见填充轮廓，包含左侧截断处和右侧圆头。六个正点沿该横线分散放置；负点位于上方及右侧橙色背景，以及另外两条紫色横线上。"}},{"name":"Middle purple horizontal stroke","description":"The middle purple, round-ended stroke on the orange lower field, initially positioned toward the right and subsequently shifting and changing length.","membership":"This individual stroke and its rounded ends; exclude the upper and lower strokes and the background.","id":"obj_009","temporal":{"status":"found","start_s":2.5,"end_s":3.75,"reference_s":2.75,"evidence":"目标是橙色下方区域三条紫色横线中居中的圆端横线，最初偏右，随后移动并改变长度。首个合格帧为2.50秒，线身和两端已完整；最后合格帧为3.50秒。此前2.25秒尚无这些横线，此后3.75秒目标已消失，画面开始斜向色块转换。选择2.75秒作为关键帧，此时目标完整清晰，与上下两条横线分离，便于独立标注。","start_frame":60,"end_frame":90,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[319.8,790.7,760,825.9],"positive_points":[[329,808],[402,804],[487,812],[573,807],[667,811],[749,807]],"negative_points":[[472,727],[605,885],[270,807],[830,810]],"evidence":"目标是橙色下半区三条紫色横线中的中间一条。边界框紧贴该横线及两端圆头；六个正点分布在横线实体各段，负点位于上、下两条横线以及目标左右的橙色背景。"}},{"name":"Lower purple horizontal stroke","description":"The lowest purple, round-ended stroke on the orange field. It begins as a relatively short segment left of center, then extends toward and beyond the right edge.","membership":"The visible filled silhouette of this individual stroke, including its rounded end; exclude the other strokes and surrounding color field.","id":"obj_010","temporal":{"status":"found","start_s":2.5,"end_s":3.75,"reference_s":2.5,"evidence":"目标是橙色区域内三条紫色横线中最下方的一条。2.50秒首次呈现完整的短线段，两端圆润；随后向右延长至画面外，属于该横线的延展形态。最后符合条件的帧为3.50秒。此前2.25秒橙色区域尚无该横线；之后3.75秒横线已消失，出现斜向色块转场。选择2.50秒作为关键帧，因为目标完整可见，与上方两条线清晰分离。","start_frame":60,"end_frame":90,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[245.8,868.5,441.1,904.6],"positive_points":[[253,886],[282,879],[316,892],[356,882],[398,890],[433,885]],"negative_points":[[340,837],[348,941],[600,809],[302,728]],"evidence":"目标是橙色区域中最下方、位于画面中部偏左的紫色圆头短横线。边界框紧贴该横线的完整填充轮廓及两端；六个正点分散在横线内部，负点位于上下方橙色背景及另外两条紫色横线上。"}},{"name":"Upper square becoming a magenta capsule","description":"The upper-left member of a pair of tilted squares on a purple-and-blue split background. Initially yellow, it becomes magenta, rounds its corners, and stretches into a broad horizontal capsule extending to the right.","membership":"The complete filled silhouette of this shape through recoloring, rotation, corner rounding, and elongation; exclude the other member of the pair and both background fields.","id":"obj_011","temporal":{"status":"found","start_s":4.25,"end_s":5.5,"reference_s":4.5,"evidence":"目标是紫色上半背景中的方块，随动画变色、旋转、圆角化，并向右拉伸成洋红色胶囊；不包括下方另一图形。首个合格帧为4.25秒，前一帧4.00秒只有分色背景。最后合格帧为5.25秒，向右延展的胶囊仍在；5.50秒上半区域变为黄色，目标消失。4.50秒目标为清晰完整的黄色斜方块，与另一成员分离，适合作为空间标注关键帧。","start_frame":102,"end_frame":132,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[291.7,220.4,467.2,532.4],"positive_points":[[325.5,310.2],[410.4,266.7],[438.5,438.9],[342.2,483.3],[369.3,367.6],[413.0,375.0]],"negative_points":[[622.4,620.4],[250.0,370.4],[380.2,157.4],[406.3,601.9]],"evidence":"目标是两个倾斜方块中左上方的黄色实心方块。边界框紧贴其完整旋转轮廓；六个正点分散在黄色内部，四个负点分别位于右下方另一块及目标外的紫色、蓝色背景上。"}},{"name":"Lower square becoming a yellow capsule","description":"The lower-right member of the tilted-square pair. Initially magenta, it becomes yellow, rounds its corners, and stretches leftward into a broad horizontal capsule.","membership":"The complete filled silhouette of this shape through recoloring, rotation, corner rounding, and elongation; exclude the other shape, detached thin lines, and the background.","id":"obj_012","temporal":{"status":"found","start_s":4.25,"end_s":6.0,"reference_s":4.75,"evidence":"目标是方块对中旋转移至右下方的洋红色方块，随后变黄、圆角化，并向左伸展为宽胶囊。首个合格帧为4.25秒；此前4.00秒只有双色背景。5.75秒仍可见黄色胶囊，伸至左边界属于其伸展造型；6.00秒该形状消失，下半部变为洋红色背景，因此最后合格帧为5.75秒。选择4.75秒作为关键帧，此时右下黄色圆角方块轮廓完整，与另一形状分离清楚。","start_frame":102,"end_frame":144,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[554.2,437.0,710.4,715.7],"positive_points":[[634,466],[577,523],[578,592],[620,682],[681,631],[677,531]],"negative_points":[[365,422],[514,565],[742,614],[636,778]],"evidence":"目标是倾斜方形对中右下方的黄色圆角实心形状。边界框紧贴其完整可见轮廓；六个正点分布在黄色形状内部的不同部位，四个负点位于左上方洋红色形状及目标周围的外部背景，均远离目标边缘。"}},{"name":"Traveling color-changing triangle","description":"A filled triangle first pointing left in an upper yellow area. It moves through the upper-left, lower-left, and right-hand color regions, rotating and changing from orange-red to purple and then yellow.","membership":"The filled triangular silhouette and its three edges throughout movement, rotation, and recoloring; exclude the rectangular color fields behind it.","id":"obj_013","temporal":{"status":"found","start_s":6.25,"end_s":8.0,"reference_s":7.5,"evidence":"目标是跨色块移动、旋转并由橙红变紫再变黄的实心三角形，不包含背景矩形。6.25秒首次完整出现于上方黄色区域，朝左；7.75秒为最后完整可见帧。前一帧6.00秒只有色块和细线，没有三角形；后一帧8.00秒三角形在左下方被画面底边裁切，故结束于8.00秒。选择7.50秒作关键帧，此时黄色三角形完整、无遮挡，与右侧橙红背景清晰区分。","start_frame":150,"end_frame":192,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[791.1,641.7,905.7,817.6],"positive_points":[[848,665],[835,733],[861,742],[806,806],[846,792],[892,807]],"negative_points":[[758,746],[943,730],[850,590],[850,879]],"evidence":"��标是右侧橙红色区域内朝上的黄色实心三角形。边界框紧贴其顶点和底边，覆盖完整轮廓；六个正点分布在三角形内部的上、中、下部，四个负点位于其四周的橙红色背景上，排除矩形色块。"}},{"name":"Large purple triangle outline","description":"A large upright purple triangular outline rising from the bottom edge against a yellow field, with its lower portion cropped by the image.","membership":"The visible portion of the outlined triangle, including the area enclosed by the triangle; preserve its sloping boundaries and exclude the yellow field outside it.","id":"obj_014","temporal":{"status":"found","start_s":8.5,"end_s":8.75,"reference_s":8.5,"evidence":"8.50秒可见黄色背景上的大型紫色直立三角形轮廓，顶点和两条斜边清晰，下部裁切符合目标明确描述，首末合格帧均为此帧。前一帧8.25秒是紫黄矩形色块，尚无该轮廓；后一帧8.75秒轮廓继续扩大上移，顶点已越过上边界，开始离框裁切。因此选择8.50秒作为关键帧。","start_frame":204,"end_frame":210,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[353.6,549.1,646.4,1000],"positive_points":[[500,597],[445,775],[557,780],[373,972],[626,970],[498,905]],"negative_points":[[300,880],[700,880],[500,420],[780,600]],"evidence":"目标是黄色背景上从底边伸出的紫色正三角形轮廓，下部被画面裁切。边界框紧贴顶点、两侧斜边的可见最外端及图像底边。正点分布于紫色轮廓和按要求包含的三角形内部；负点均位于三角形外部的黄色背景。"}},{"name":"Blue square on yellow","description":"A blue square appearing alone on the left of a yellow field, later forming the left member of a row with an orange circle and magenta hexagon. It moves vertically and rotates before leaving through the bottom.","membership":"The square's filled silhouette and edges throughout movement and rotation; exclude the temporary surrounding square outline, horizontal background bands, and neighboring shapes.","id":"obj_015","temporal":{"status":"found","start_s":9.0,"end_s":13.25,"reference_s":9.25,"evidence":"目标是黄色背景左侧的实心蓝色方块，随后成为橙色圆和洋红色六边形左侧的成员；不包含临时外框。首个合格帧为9.00秒，最后合格帧为13.00秒，其间上下移动和旋转时均保持完整。前一帧8.75秒只有紫色三角形线条，没有该方块；后一帧13.25秒方块向下离场，已被画面底边裁切。选择9.25秒作为关键帧，此时方块单独完整显示，边缘清晰且无遮挡。","start_frame":216,"end_frame":318,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[164.58,392.59,285.42,607.41],"positive_points":[[179,416],[258,428],[198,482],[268,526],[184,579],[242,590]],"negative_points":[[130,488],[320,512],[223,341],[232,660]],"evidence":"目标是黄色背景左侧唯一的实心蓝色正方形。边界框紧贴其四条边，覆盖完整填充区域；六个正点分散在蓝色方形内部，四个负点位于其上下左右、远离边缘的黄色背景上。"}},{"name":"Orange circle on yellow","description":"An orange disk appearing in the center of the yellow field, between the blue square and the later magenta hexagon. It moves vertically, enlarges, and finally shrinks to a small dot before disappearing.","membership":"The filled disk and its circumference throughout movement and scaling; exclude surrounding emphasis rings, background bands, and the other shapes.","id":"obj_016","temporal":{"status":"found","start_s":9.5,"end_s":14.75,"reference_s":10.25,"evidence":"目标是黄色背景中、蓝色方块与洋红六边形之间的橙色实心圆盘，不含外围强调圆环。9.50秒首次完整出现，前一帧9.25秒仅有蓝色方块；此后圆盘上下移动、放大并缩小，14.50秒仍可见缩成的微小圆点，为最后合格帧，14.75秒已消失。选择10.25秒作为关键帧，此时圆盘轮廓清晰、无遮挡，与其他形状容易区分。","start_frame":228,"end_frame":354,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[437,388,563.5,613],"positive_points":[[475,450],[516,425],[544,489],[523,554],[480,570],[452,513]],"negative_points":[[225,500],[775,500],[500,330],[500,680]],"evidence":"目标是黄色背景中央、蓝色方块与洋红色六边形之间的橙色实心圆。边界框紧贴圆盘的可见外缘，包含填充及圆周；六个正点分散在圆盘内部，四个负点分别位于其他两种形状及圆盘上下方的黄色背景，均远离目标边缘。"}},{"name":"Magenta hexagon on yellow","description":"A filled magenta hexagon appearing to the right of the blue square and orange circle. It moves vertically and rotates while retaining its six-sided identity.","membership":"The filled six-sided silhouette and its edges throughout movement and rotation; exclude the temporary outer hexagonal outline, detached purple line, background bands, and neighboring shapes.","id":"obj_017","temporal":{"status":"found","start_s":10.0,"end_s":13.25,"reference_s":10.25,"evidence":"目标是黄色背景上、蓝色方块和橙色圆形右侧的实心洋红六边形。首个完整呈现帧为10.00秒，最后合格帧为13.00秒，期间上下移动和旋转仍保持完整；不计临时外轮廓及紫色短线。前一帧9.75秒尚无六边形，后一帧13.25秒六边形向下离场并被画面底边裁切。选择10.25秒作为关键帧，此时六边形轮廓清晰、无遮挡且与其他图形分离。","start_frame":240,"end_frame":318,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[705.7,390.7,844.3,604.6],"positive_points":[[749.5,419.4],[797.4,426.9],[726.6,498.1],[823.4,492.6],[753.1,572.2],[793.8,564.8]],"negative_points":[[775,333],[777,666],[500,493],[225,502]],"evidence":"目标是蓝色正方形和橙色圆形右侧的实心洋红色六边形。边界框紧贴其六边形轮廓；六个正点分布于内部的上部、左右及下部，四个负点位于上下方黄色背景和两个相邻形状内。"}}]}
+{"video_id":261,"video_type":"icons and abstract motion graphics","targets":[{"name":"Outlined typing bubble","description":"The opening graphic is a horizontally rounded speech bubble with a thick black outline, a lower-left tail, and three black typing dots.","membership":"Include the bubble outline, enclosed white area, tail, and three dots. Exclude the surrounding white background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0.75,"evidence":"目标是粗黑描边、左下角带尾巴且内含三个黑色圆点的横向圆角对话气泡。首个合格帧为0.00秒，最后为1.50秒；1.75秒时已开始变为带天线和表情的机器人图标，不再是指定的三点输入气泡。区间从视频起点开始，没有更早的相邻帧。选择0.75秒作为关键帧，气泡轮廓、尾巴及三个圆点均完整清晰。","start_frame":0,"end_frame":42,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[420.3,420.4,579.7,629.6],"positive_points":[[468.8,511.1],[499.7,511.1],[531.1,511.1],[500,460],[574,513],[473,608]],"negative_points":[[390,510],[610,510],[500,370],[500,680]],"evidence":"图像中央为粗黑轮廓的横向圆角对话气泡，带左下尾尖和三个黑色圆点。边界框紧贴气泡外缘并包含尾尖；正点分布在三个圆点、内部白色区域、右侧轮廓及尾部，负点位于气泡外部四周的白色背景。"}},{"name":"Outlined chatbot face","description":"The opening bubble becomes a smiling robot-like face with two black eyes, a small mouth, and a short round-tipped antenna above its rounded head.","membership":"Include the outlined head, enclosed face area, eyes, mouth, lower-left speech tail, and antenna. Exclude the temporary gray halo around the antenna.","id":"obj_002","temporal":{"status":"found","start_s":2.0,"end_s":3.5,"reference_s":2.5,"evidence":"目标是带左下 speech tail 的圆角黑色描边机器人脸，包含双眼、小嘴和圆头短天线，不含天线灰色光晕。首个合格帧为2.00秒，最后为3.25秒；前一帧1.75秒的天线圆点与短杆尚未连接，仍在形成，后一帧3.50秒天线开始分离消退、嘴部变回圆点。选择2.50秒作为关键帧，脸部及天线完整清晰，且无灰色光晕干扰。","start_frame":48,"end_frame":84,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[420.3,374.1,579.7,626.9],"positive_points":[[500,387],[425.5,505],[531,508],[499.5,514],[500,554],[474,609]],"negative_points":[[396,502],[604,506],[500,344],[500,658]],"evidence":"图中中央为带圆头天线、双眼和微笑嘴的聊天机器人脸。边界框紧贴头部轮廓、顶部天线及左下气泡尾部；正点覆盖天线、轮廓、眼嘴、封闭脸部内部和尾部，负点位于目标四周的外部白色背景。"}},{"name":"Desktop monitor before the handheld devices","description":"A black outline desktop monitor replaces the rounded chatbot graphic. It has a blank rectangular display, a lower bezel, and a short pedestal with a flared foot.","membership":"Include the display enclosure and its interior, lower bezel, pedestal, and foot. Follow the complete monitor silhouette, excluding background beside the stand.","id":"obj_003","temporal":{"status":"found","start_s":4.0,"end_s":4.25,"reference_s":4.0,"evidence":"4.00秒出现完整的黑色轮廓桌面显示器，具有空白屏幕、下边框、短支柱和外扩底座，是首个也是最后一个合格帧。前一帧3.75秒仍是圆角聊天气泡；后一帧4.25秒已变为较小的横向圆角设备，显示器的下边框及完整支座不再存在。选择4.00秒作为关键帧，因为目标结构完整清晰且无遮挡。","start_frame":96,"end_frame":102,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[418.75,373.15,581.25,630.56],"positive_points":[[444,422],[547,446],[495,498],[517,545],[500,580],[500,615]],"negative_points":[[455,601],[549,601],[389,469],[609,481]],"evidence":"图中央是黑色轮廓的桌面显示器，具有空白矩形屏幕���下边框和带外扩底座的短支架。边界框紧贴完整显示器轮廓；正点分布在屏幕内部、下边框、支架和底座，负点位于支架两侧及显示器外部背景。"}},{"name":"Tablet-like handheld device","description":"A broad portrait-oriented device follows the first monitor. Its rounded black outline encloses a blank white face, with a small top protrusion and two controls on the right edge.","membership":"Include the rounded device enclosure, enclosed face, and attached top and side controls. Exclude surrounding background.","id":"obj_004","temporal":{"status":"found","start_s":4.5,"end_s":5.5,"reference_s":5.0,"evidence":"目标是第一台显示器之后出现的宽幅竖向手持设备，具有圆角黑色外框、空白白色面板、顶部凸起和右侧两个控件。首个合格帧为4.50秒，最后为5.25秒；前一帧4.25秒仍是横向过渡形态，后一帧5.50秒已变为较窄、右侧仅一个控件的手机形态。选择5.00秒作为关键帧，设备轮廓及附属控件完整清晰且无遮挡。","start_frame":108,"end_frame":132,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[452.6,383.3,551.1,610.2],"positive_points":[[481,441],[514,550],[521,387],[548,438],[548,473],[484,605]],"negative_points":[[420,500],[582,487],[503,350],[496,647]],"evidence":"图像中央的竖向设备具有黑色圆角外框、空白白色面板、顶部凸起和右侧两个控件，符合目标描述。边界框紧密覆盖外壳、面板及全部附属控件；六个正点分布在面板、底边及顶部和侧面控件上，四个负点位于设备外围的白色背景。"}},{"name":"Compact smartphone","description":"The handheld-device sequence next shows a narrower portrait phone, developing a top screen notch and controls along its sides.","membership":"Include the phone outline, enclosed blank screen, top notch, and attached side controls. Exclude surrounding background.","id":"obj_005","temporal":{"status":"found","start_s":5.75,"end_s":6.5,"reference_s":6.0,"evidence":"目标是较窄的竖屏手机，具有顶部屏幕刘海和两侧附着的控制键。5.75秒首次完整呈现，6.25秒为最后 qualifying 帧；此前5.50秒仍在变形，刘海及侧键结构尚未完整形成，此后6.50秒已替换为手表。选择6.00秒作为关键帧，手机轮廓、空白屏幕、刘海和侧键均清晰可见。","start_frame":138,"end_frame":156,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[468.2,407.4,531.8,592.6],"positive_points":[[500,418],[470.8,497],[529.2,458.3],[495,479],[507,550],[500,587]],"negative_points":[[450,500],[550,500],[500,380],[500,620]],"evidence":"图像中央是一部窄长竖屏手机，具有顶部刘海和两侧按键。边界框紧密覆盖手机轮廓、内部空白屏幕、刘海及附着的侧键。正点分布于刘海、侧键、屏幕和底部边框；负点位于手机上下左右的外部白色背景。"}},{"name":"Smartwatch","description":"A small outlined wristwatch follows the phone, with a rounded blank face, short strap sections above and below, and a right-side crown. Its proportions and angle change.","membership":"Include the watch case and enclosed face, both strap sections and their enclosed areas, and the side crown. Exclude background outside the watch silhouette.","id":"obj_006","temporal":{"status":"found","start_s":6.5,"end_s":7.75,"reference_s":6.75,"evidence":"目标是带空白圆角表盘、上下短表带及右侧表冠的描边智能手表。首个完整呈现帧为6.50秒，最后合格帧为7.50秒；期间比例和角度变化，但手表结构完整。前一帧6.25秒仍为手机，后一帧7.75秒已替换为显示器。选择6.75秒作为关键帧，因为表壳、两段表带和表冠清晰可辨且无遮挡。","start_frame":156,"end_frame":186,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[479.17,437.96,524.48,562.04],"positive_points":[[497.4,495.37],[482.29,503.7],[517.71,511.11],[500,453.7],[500,546.3],[521.88,496.3]],"negative_points":[[460.94,500],[541.67,500],[500,409.26],[500,590.74]],"evidence":"图像中央可见黑色轮廓智能手表，具有圆角空白表面、上下短表带和右侧表冠。边界框紧贴完整手表轮廓；正点覆盖表壳、表面、两段表带及表冠，负点位于手表四周且远离轮廓的外部白色背景。"}},{"name":"Returning desktop monitor","description":"A desktop monitor is presented again after the watch, slightly tilted, with a blank display, lower bezel, and pedestal foot.","membership":"Include the outlined display and enclosed area, bezel, supporting neck, and flared foot. Exclude background around the stand and outside the silhouette.","id":"obj_007","temporal":{"status":"found","start_s":7.75,"end_s":8.5,"reference_s":8.0,"evidence":"目标是手表之后再次出现的桌面显示器，具有空白屏幕、下边框、支撑颈和外扩底座。首个合格帧为7.75秒，虽倾斜旋转但结构已完整；最后合格帧为8.25秒。前一帧7.50秒仍为手表，后一帧8.50秒已替换为黑色聊天气泡。选择8.00秒作为关键帧，显示器略微倾斜，各组成部分清晰且无遮挡。","start_frame":186,"end_frame":204,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[415.6,365.7,582.3,632.4],"positive_points":[[453.1,444.4],[541.7,416.7],[536.5,481.5],[500,537],[502.1,580.6],[504.2,610.2]],"negative_points":[[395.8,463],[599,463],[452.1,611.1],[557.3,620.4]],"evidence":"图中中央是略微倾斜的桌面显示器，具有空白屏幕、下边框、支撑颈和外扩底座。边界框紧贴完整显示器轮廓；正点分布在屏幕内部、下边框、支撑颈及底座，负点位于机身外侧和底座两旁的背景，不涉及轮廓内空白区域。"}},{"name":"Filled typing bubble","description":"Following the returning monitor, a solid black rectangular speech bubble with rounded corners and a lower-left tail contains three animated white dots.","membership":"Include the entire filled bubble, its tail, and the three white dots within it. Exclude surrounding background.","id":"obj_008","temporal":{"status":"found","start_s":8.5,"end_s":10.25,"reference_s":9.25,"evidence":"目标是显示器之后出现的黑色实心圆角矩形气泡，带左下尾角和三个白色动态圆点。首个合格帧为8.50秒，最后为10.00秒；前一帧8.25秒仍是显示器，后一帧10.25秒三个圆点已开始变为机器人五官，不再符合目标。选择9.25秒作为关键帧，气泡轮廓完整、三个白点清晰且无遮挡。","start_frame":204,"end_frame":246,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[435.9,413.0,565.1,602.8],"positive_points":[[450.5,441.7],[469.3,494.4],[500.3,494.4],[531.3,494.4],[548.4,548.1],[441.7,588.9]],"negative_points":[[405,500],[600,500],[500,375],[500,650]],"evidence":"图像中央可见黑色圆角实心对话气泡，左下带尾部，内部有三个白点。边界框紧贴气泡主体及尾部；正点分布在黑色主体、尾部和三个白点上，负点位于气泡四周的外部白色背景。"}},{"name":"Filled robot speech bubble","description":"The filled bubble becomes a robot head with two white circular eyes, a white waveform-like mouth, side ear tabs, and a round-tipped antenna. The lower-left speech tail remains.","membership":"Include the black head and its contents, speech tail, both side tabs, and antenna. Exclude the transient pale halo around the antenna.","id":"obj_009","temporal":{"status":"found","start_s":10.5,"end_s":12.5,"reference_s":11.25,"evidence":"目标是带左下 speech 尾角的黑色实心机器人气泡，包含两只白色圆眼、白色波形嘴、两侧耳片和圆头天线，不含天线周围的淡色光环。首个完整帧为10.50秒，最后完整帧为12.25秒；前一帧10.25秒仍是变形中的气泡，耳片、天线和波形嘴尚未完整出现，后一帧12.50秒已失去耳片和天线，嘴部变回圆点。选择11.25秒作为关键帧，各组成部分清晰且无遮挡。","start_frame":252,"end_frame":300,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[426.6,371.3,574.5,601.9],"positive_points":[[500,384.3],[432.3,500],[568.8,500],[453.1,439.8],[541.7,546.3],[441.7,585.2]],"negative_points":[[401,453.7],[593.8,509.3],[500,333.3],[494.8,638.9]],"evidence":"图中中央的黑色机器人对话气泡具有双圆眼、波形嘴、侧耳和圆头天线，与目标一致。边框紧贴头部及其内容、双侧耳、天线和左下尾部，不含天线外围浅色光晕。六个正点分布在天线、两侧耳、头部和尾部；四个负点位于目标四周的外部白色背景。"}},{"name":"Returning filled typing bubble","description":"After the filled robot face, the plain black speech bubble with three white dots is presented again without ears or an antenna.","membership":"Include the complete rounded black bubble, lower-left tail, and three enclosed white dots. Exclude surrounding background.","id":"obj_010","temporal":{"status":"found","start_s":12.5,"end_s":13.0,"reference_s":12.75,"evidence":"目标是实心机器人脸之后再次出现的黑色圆角对话气泡，带左下尾尖和三个白点，没有耳朵或天线。首个合格帧为12.50秒，气泡虽倾斜、白点位置有所变化，但结构完整；最后合格帧为12.75秒。前一帧12.25秒仍是带耳朵和天线的机器人，后一帧13.00秒已替换为手机旋转图标。选择12.75秒作为关键帧，因为气泡轮廓清晰、三个白点排列明确且无遮挡。","start_frame":300,"end_frame":312,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[435.9,413.0,564.6,601.9],"positive_points":[[458,441],[541,546],[442,586],[469.3,494.4],[500.3,494.4],[531.3,494.4]],"negative_points":[[402,502],[601,499],[503,371],[500,645]],"evidence":"图像中央是无耳朵、无天线的黑色圆角聊天气泡，内有三个白点。边界框紧贴气泡主体及左下尾部；正点覆盖黑色主体、尾部和三个白点，负点位于气泡四周的外部白色背景。"}},{"name":"Rotating smartphone graphic","description":"An outlined smartphone is shown turning between front, edge, and rear views, surrounded by a curved rotation arrow. The front has screen divisions and a small bottom control; the rear has an oval camera marking.","membership":"Include the phone enclosure and enclosed surface, its visible screen or rear details, and the accompanying open rotation-arrow strokes. Keep the arrow open and exclude background between its strokes and the phone.","id":"obj_011","temporal":{"status":"found","start_s":13.0,"end_s":15.5,"reference_s":13.0,"evidence":"目标是带开放弧形旋转箭头的轮廓手机，转动中可见正面屏幕分隔、底部控制及背面椭圆摄像头。首个合格帧为13.00秒，手机和箭头均已完整；最后合格帧为15.25秒，旋转及缩放不影响完整性。区间前一帧12.75秒是三点聊天气泡，后一帧15.50秒已替换为无人机。选择13.00秒作关键帧，正面结构较大且清晰，箭头可辨，无遮挡。","start_frame":312,"end_frame":372,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[425.5,364.8,574.5,636.1],"positive_points":[[480,440],[520,557],[500,610],[428.5,500],[571.5,500],[497,543]],"negative_points":[[395,500],[605,500],[500,325],[500,675]],"evidence":"图像中央是带屏幕分隔线和底部短横控件的手机轮廓，左右环绕开放的旋转箭头。边界框紧贴手机及箭头的整体可见范围；正点覆盖手机内部表面、底部控件及箭头左右弧线和箭头尖，负点位于整体图形外围的白色背景。"}},{"name":"Camera drone","description":"A black drone graphic follows the rotating phone. It has a central oval body with an eye-like camera, lateral arms, and two visible rotor assemblies. It moves horizontally while its camera and rotor shapes animate.","membership":"Include the central body and camera detail, both connecting arms, motor housings, and visible rotor blades. Follow their actual silhouettes, excluding background in the gaps between components.","id":"obj_012","temporal":{"status":"found","start_s":15.75,"end_s":22.0,"reference_s":17.0,"evidence":"目标是旋转手机之后出现的黑色无人机，具有椭圆机身、眼状摄像头、两侧连接臂和旋翼组件。首个完整帧为15.75秒，最后合格帧为21.75秒；此前15.50秒摄像头细节尚未出现，22.00秒摄像头已被移除，随后图形被卷轴替换。选择17.00秒作为关键帧，机身、摄像头及两侧旋翼轮廓清晰且无遮挡。","start_frame":378,"end_frame":528,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[425.5,449.1,692.7,551],"positive_points":[[445.3,456.5],[464.6,503.7],[541.7,507.4],[570.3,506.5],[650,504.6],[679.7,456.5]],"negative_points":[[397,500],[721,502],[558,413],[561,590]],"evidence":"图中黑色双旋翼图形具有椭圆机身、眼状相机和两侧连接臂，符合目标。边界框紧贴机身、连接臂、电机外壳及两端旋翼的可见范围；正点分布在旋翼、外壳连接处、机身和相机上，负点位于整架无人机上下左右的外部白色背景。"}},{"name":"Rolled plan with cube","description":"An outlined horizontal sheet with curled vertical edges contains a wireframe cube surrounded by four corner brackets. The sheet width and cube orientation animate.","membership":"Include the sheet boundary, enclosed paper surface, curled edges, central cube, and all four corner brackets. Exclude surrounding background and transient faded transition traces.","id":"obj_013","temporal":{"status":"found","start_s":22.75,"end_s":24.75,"reference_s":23.0,"evidence":"目标为两侧卷曲的横向图纸，内有线框立方体及四角括号。22.75秒首次完整呈现；此前22.5秒仍是尚未展开、未显示内部图形的卷纸。之后纸张宽度及立方体朝向变化，23.5秒和最后合格帧24.5秒的收卷属于完整图纸的形变。24.75秒已替换为信封图标。选择23.0秒作为关键帧，纸面、卷边、立方体和四角括号均清晰完整。","start_frame":546,"end_frame":594,"reference_frame":552},"grounding":{"status":"found","bbox_xyxy":[421.88,400,578.13,605.56],"positive_points":[[436.46,472.22],[563.54,500],[497.92,443.52],[499.48,510.19],[467.71,569.44],[530.73,454.63]],"negative_points":[[390.63,500],[609.38,500],[500,342.59],[500,666.67]],"evidence":"图像中央是两侧卷起的横向图纸，内含线框立方体及四个角括号。边界框紧贴整个图纸的可见外缘；正点分布于两侧卷边、纸面、立方体和角括号，负点位于图纸上下左右的外部背景，未标记内部空白。"}},{"name":"Envelope","description":"The final graphic is a black outline envelope with a rounded rectangular boundary and intersecting diagonal flap lines.","membership":"Include the complete envelope boundary, enclosed white surface, and internal flap lines. Exclude the surrounding white background.","id":"obj_014","temporal":{"status":"found","start_s":24.75,"end_s":25.0,"reference_s":24.75,"evidence":"24.75秒出现完整的黑色轮廓信封，具有圆角矩形边界、内部白色表面及交叉的斜��封口线，是首个也是最后一个符合条件的采样帧。前一帧24.50秒仍为卷起的卷轴图标，不是信封。选择24.75秒作为关键帧，因信封结构清晰完整且无遮挡；区间到达视频结尾，之后没有采样帧。","start_frame":594,"end_frame":600,"reference_frame":594},"grounding":{"status":"found","bbox_xyxy":[434.4,407.4,565.6,592.6],"positive_points":[[437.2,477],[500,412.5],[562.5,523],[478,587.5],[472,453],[521,551]],"negative_points":[[400,500],[600,500],[500,360],[500,645]],"evidence":"图像中央的黑色圆角矩形及内部交叉斜线构成信封。边界框紧贴完整信封外缘，包含黑色轮廓、内部折线和围合的白色表面；正点分布在轮廓及内部表面，负点位于信封四周的外部白色背景。"}}]}
+{"video_id":262,"video_type":"icons and abstract motion graphics","targets":[{"name":"Woman ordering on a phone","description":"Animated woman centered in the opening scene, with dark purple wavy hair and a side bun, a white stud earring, and a blue short-sleeved shirt. She raises a phone and taps it.","membership":"Include her visible hair, face, earring, clothing, arms, and hands, following her silhouette. Exclude the separately identified phone, floating food graphics, and text.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":2.75,"reference_s":1,"evidence":"目标是开场中央的紫色波浪发侧髻、白色耳钉、蓝色短袖女子，包含其身体轮廓，不含手机、食物和文字。首个合格帧为0秒，人物已完整建立，下身为设计性裁切；此前无采样帧。最后合格帧为2.5秒，2.75秒人物向下退场，手臂开始被画面底边裁切。选择1秒作关键帧，人物清晰，手臂和双手可辨，且没有漂浮食物遮挡。","start_frame":0,"end_frame":66,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[379,299,686,1000],"positive_points":[[426,356],[510,541],[412,691],[508,964],[530,845],[655,821]],"negative_points":[[540,770],[330,640],[728,810],[518,234]],"evidence":"目标是画面中央深紫色卷发、侧发髻、戴白色耳钉并穿蓝色短袖的女子。边界框紧贴可见人物轮廓，从发髻顶部到画面底部截断的衣服，覆盖双臂和手。正点分布在头发、脸部、上衣及双手臂；负点位于明确排除的手机和人物外围背景。"}},{"name":"Woman's smartphone","description":"Dark purple rectangular phone held near the woman's waist and then raised in front of her torso, with a small pale camera detail on its back.","membership":"Include the phone body and its camera detail. Exclude the holding and tapping hands and any food graphics passing over it.","id":"obj_002","temporal":{"status":"found","start_s":0.5,"end_s":3.0,"reference_s":1.0,"evidence":"目标是女子手持的深紫色长方形手机，背面有浅色小摄像头细节。0.25秒手机仍被画面下边缘截断，0.5秒首次完整进入画面；最后符合条件的帧为2.75秒，手机位于画面底部，3.0秒已随女子下移而离开可见区域。选择1.0秒为关键帧，手机轮廓和摄像头清楚，且没有食物图形遮挡。","start_frame":12,"end_frame":72,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[507.8,738.9,564.1,901.9],"positive_points":[[529.2,756.5],[550,761.1],[525,777.8],[549,788.9],[520.8,888.9],[545.3,889.8]],"negative_points":[[538.5,837],[584.4,750],[496.4,934.3],[739.6,832.4]],"evidence":"目标是女子躯干前握着的深紫色手机，背面有浅色摄像头细节。框紧贴手机可见部分的整体范围；六个正点分布在上部机身、摄像头及手下方露出的底部，四个负点分别位于握持手、点击手、蓝色衣服和外部浅色背景，排除这些非手机区域。"}},{"name":"ORDER heading","description":"Large dark purple uppercase text progressively revealed above the woman.","membership":"Include all letters forming “ORDER” throughout the reveal and movement. Exclude the woman, food illustrations, and transition strokes.","id":"obj_003","temporal":{"status":"found","start_s":1.75,"end_s":3.25,"reference_s":2.5,"evidence":"目标是女子上方深紫色大写“ORDER”标题。1.75秒首次完整呈现全部五个字母；前一帧1.50秒末尾R仍在揭示中。最后合格帧为3.00秒，标题虽向下移动但仍完整；下一帧3.25秒已在离场时被画面下边界裁切。选择2.50秒作为关键帧，标题完整清晰、无遮挡，易与人物和食物区分。","start_frame":42,"end_frame":78,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[371.4,54.6,607.3,198.2],"positive_points":[[378.7,125.9],[394.8,181.5],[431.8,92.6],[481.8,134.3],[539.1,70.4],[599.0,163.9]],"negative_points":[[500,250],[346.4,120.4],[697.9,254.6],[496.9,358.3]],"evidence":"目标是女人上方深紫色大写“ORDER”标题，边界框紧贴全部五个字母。六个正点分布在各字母的实际笔画上；负点位于标题外的浅色背景、右侧汉堡和女人头发上，排除人物及食物插图。"}},{"name":"Floating cheeseburger","description":"Burger illustration that emerges over the woman's face and settles at the upper right, with an orange sesame bun, yellow cheese, dark patty, and red filling.","membership":"Include the complete bun and filling layers of this floating burger. Exclude neighboring food icons, the woman, and the heading.","id":"obj_004","temporal":{"status":"found","start_s":1.75,"end_s":3.25,"reference_s":2.5,"evidence":"目标是从女子脸前浮出、移至右上方的芝麻橙色面包汉堡，包含黄色奶酪、深色肉饼和红色夹层。1.75秒首次出现时结构已完整，虽有运动模糊仍符合条件；此前1.50秒尚未出现。最后合格帧为3.00秒，汉堡仍完整可见；3.25秒已随场景下移消失。选择2.50秒作为关键帧，汉堡清晰完整，且与女子、标题及其他食物分离。","start_frame":42,"end_frame":78,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[637.5,202.8,761,369],"positive_points":[[672,237],[730,262],[706,288],[686,301],[711,321],[702,344]],"negative_points":[[697,476],[550,506],[586,129],[802,283]],"evidence":"目标是画面右上方悬浮的芝士汉堡，可见橙色芝麻面包、黄色芝士、深色肉饼和红色夹层。边界框紧贴完整汉堡外缘；六个正点分布于上下层面包及各夹层，负点位于下方其他食物、女子、标题和右侧外部背景。"}},{"name":"Floating pizza slice","description":"Triangular yellow pizza slice with orange crust, red circular toppings, and small dark toppings, moving from the phone area to the upper left of the woman.","membership":"Include the slice, crust, cheese, and toppings within its silhouette. Exclude other floating foods and the woman's hands.","id":"obj_005","temporal":{"status":"found","start_s":1.75,"end_s":3.25,"reference_s":2.5,"evidence":"目标是带橙色饼边、红色圆形及深色小配料的黄色三角披萨，从手机附近飘向女子左上方。首个合格帧为1.75秒，披萨已完整成形，部分被手机和手遮挡；此前1.50秒尚未出现。最后合格帧为3.00秒，3.25秒已向下离场并被画面底边裁切。选择2.50秒作为关键帧，此时披萨位于左上方，轮廓清晰且无遮挡。","start_frame":42,"end_frame":78,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[219.8,158.3,342.2,335.2],"positive_points":[[235.4,263.0],[265.1,184.3],[270.8,243.5],[253.6,312.0],[317.7,313.0],[295.8,266.7]],"negative_points":[[267.7,465.7],[190.1,250.0],[364.6,296.3],[697.9,250.0]],"evidence":"目标是女子左上方悬浮的三角披萨，具有橙色饼边、黄色芝士、红色圆形配料和深色小配料。边界框紧贴整片披萨的可见轮廓；六个正点分布于饼边、芝士和配料，四个负点位于外部背景、下方薯条和右上方汉堡上。"}},{"name":"Floating French fries","description":"Golden fries in a bright red carton, appearing in front of the woman before moving to her left beneath the pizza.","membership":"Include the red carton and all fries projecting from it. Exclude surrounding graphics and text.","id":"obj_006","temporal":{"status":"found","start_s":2.0,"end_s":3.25,"reference_s":2.5,"evidence":"目标是金黄色薯条及其鲜红纸盒，先浮现在女子面前，随后移到她左侧、披萨下方。首个完整呈现帧为2.00秒，虽有运动模糊但结构已完整；前一帧1.75秒尚未出现薯条。最后合格帧为3.00秒；下一帧3.25秒目标随画面下移，已被底边裁切。选择2.50秒作为关键帧，薯条和红纸盒清晰完整，与其他食物分离。","start_frame":48,"end_frame":78,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[218,389,317,558],"positive_points":[[251,421],[237,450],[231,476],[277,455],[297,485],[278,529]],"negative_points":[[277,279],[191,455],[430,504],[276,610]],"evidence":"目标是女子左侧、披萨下方悬浮的红盒薯条。边界框紧贴红色纸盒及所有伸出的金黄薯条；正点分布在薯条和纸盒上，负点位于披萨、女子头发及目标外的浅色背景。"}},{"name":"Floating nigiri sushi","description":"Small elongated sushi icon with a dark purple striped topping over white rice, moving across the woman's face toward her right.","membership":"Include the topping and rice as one complete sushi piece. Exclude the separate round sushi roll and other floating foods.","id":"obj_007","temporal":{"status":"found","start_s":2.0,"end_s":3.25,"reference_s":2.75,"evidence":"目标是深紫色条纹长形鱼料搭配白色米饭的握寿司，不是旁边的圆形寿司卷。首个合格帧为2.00秒，完整寿司在手机附近出现，局部被手机遮挡；随后经过女子面前移向右侧。最后合格帧为3.00秒，寿司仍完整可见。相邻的1.75秒尚未出现该寿司，3.25秒已随场景下移而消失。选择2.75秒为关键帧，此时寿司位于女子右侧，形状清楚且无遮挡。","start_frame":48,"end_frame":78,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[676,534,744,656],"positive_points":[[723,558],[711,583],[689,616],[733,595],[720,618],[702,637]],"negative_points":[[712,681],[700,370],[774,573],[580,593]],"evidence":"目标位于女子脸部右侧，是深紫色条纹鱼料覆在白米饭上的斜向长条握寿司。框覆盖完整鱼料和米饭；正点分布于这两部分，负点位于下方另一食物、上方汉堡、右侧背景及女子头发上，排除其他对象。"}},{"name":"Floating maki roll","description":"Round sushi roll icon with a dark purple wrapper, white rice face, and reddish center, moving from the phone area toward the lower left.","membership":"Include the wrapper and the entire rice-and-filling face. Exclude the separate elongated sushi piece and the woman.","id":"obj_008","temporal":{"status":"found","start_s":2.25,"end_s":3.0,"reference_s":2.75,"evidence":"目标是从手机附近向左下方飞出的圆形寿司卷，具有深紫色外皮、白色米饭面和红色中心，不是向右飞出的长条寿司。首个合格帧为2.25秒，卷体已完整形成，部分被手机遮挡；最后合格帧为2.75秒。此前2.00秒仅能辨认手机附近的另一枚长条寿司，尚未见完整圆卷；此后3.00秒圆卷已离开画面。选择2.75秒作为关键帧，目标位于左下方，与人物和其他食物分离，无遮挡。","start_frame":54,"end_frame":72,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[250,777,313,891],"positive_points":[[266,814],[281,843],[297,856],[261,835],[276,802],[289,805]],"negative_points":[[225,835],[336,844],[421,790],[706,587]],"evidence":"目标是女子左下方悬浮的圆柱形寿司卷，具有深紫色外皮、白色米饭端面和红色内馅。框覆盖完整可见寿司卷及其轻微运动模糊边缘；正点分布在外皮、米饭和内馅上，负点位于外部背景、女子衣服及右侧独立的长条寿司上。"}},{"name":"Floating takeaway drink","description":"Red-and-white takeaway cup with a lid and a red circular mark, rising in front of the woman's torso and moving toward the lower right.","membership":"Include the cup body, lid, colored bands, and printed circular mark. Exclude neighboring food graphics and the phone.","id":"obj_009","temporal":{"status":"found","start_s":2.5,"end_s":3.0,"reference_s":2.75,"evidence":"目标是带杯盖、红白色带和红色圆形标记的外带饮料杯，从女子身前升起并移向右下方。首个符合条件的帧为2.50秒，杯体结构已完整呈现；最后符合条件的帧为2.75秒。此前2.25秒尚未出现该杯，之后3.00秒杯子离场时已被画面下边界裁切。选择2.75秒作为关键帧，此时杯子位于女子右侧，完整可见且遮挡较少。","start_frame":60,"end_frame":72,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[652,637,746,838],"positive_points":[[711,674],[702,689],[697,705],[676,735],[695,751],[683,802]],"negative_points":[[708,588],[541,865],[774,752],[647,928]],"evidence":"目标是女子躯干右前方倾斜漂浮的红白外带杯，可见杯盖、红色带和圆形标记。边界框覆盖杯盖至杯底的可见范围；六个正点分布于杯盖、杯沿、白色杯身及红色印刷区域，四个负点位于上方食物图案、手机、右侧背景和女子手臂，排除相邻对象。"}},{"name":"Delivery scooter","description":"Coral-red motor scooter facing right, with dark wheels, white wheel rings, a yellow headlight, and a rectangular rear delivery box.","membership":"Include the scooter body, seat, wheels and enclosed wheel areas, fenders, headlight, handlebars, mirror, and attached rear delivery box. Exclude the rider, clock, location pin, and text.","id":"obj_010","temporal":{"status":"found","start_s":4.0,"end_s":6.5,"reference_s":5.0,"evidence":"目标为朝右的珊瑚红配送摩托车，带深色白环车轮、黄色车灯和后置配送箱，不包含骑手及装饰图标。首个合格帧为4.00秒，最后合格帧为6.25秒；3.75秒车辆从上方入场，上部构件仍被画面边界裁切，6.50秒横向遮罩已开始遮住车辆上部。选择5.00秒作为关键帧，车体和附属部件清晰，便于与骑手、时钟及定位图标区分。","start_frame":96,"end_frame":156,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[312.5,600,662,983.3],"positive_points":[[353.6,717.6],[517.7,623.1],[573.4,644.4],[571.9,789.8],[368.8,946.3],[619.8,935.2]],"negative_points":[[458.3,589.8],[377.6,499.1],[561.5,431.5],[679.2,192.6]],"evidence":"目标是朝右的珊瑚红配送踏板车。边界框覆盖后配送箱、座椅、车身、挡泥板、双轮及轮内区域、车灯、车把和后视镜；不将骑手等重叠物体视为目标。正点分布在配送箱、后视镜、黄色车灯、前车身及两个车轮，负点位于骑手、时钟、定位图标和顶部文字上。"}},{"name":"Delivery rider","description":"Animated rider seated on the red scooter, wearing a red helmet, blue shirt, dark purple trousers, and blue shoes.","membership":"Include the rider's helmet, visible head and body, clothing, hands, and shoes. Exclude the scooter and its attached components.","id":"obj_011","temporal":{"status":"found","start_s":4.0,"end_s":6.5,"reference_s":5.0,"evidence":"目标为坐在红色踏板车上的骑手，戴红色头盔、穿蓝色上衣、深紫色长裤和蓝鞋，不包含车辆。首个合格帧为4.00秒，骑手自身结构已完整可见；此前3.75秒仍从画面上方进入，头部被边界裁切。最后合格帧为6.25秒，上方转场遮罩尚未触及骑手；6.50秒遮罩已覆盖其头部和部分身体，开始退出。选择5.00秒作为关键帧，骑手轮廓清楚且无遮挡。","start_frame":96,"end_frame":156,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[410.4,404.6,549,915.7],"positive_points":[[462,440],[469,500],[452,564],[493,651],[474,738],[519,894]],"negative_points":[[577,800],[377,557],[561,531],[640,615]],"evidence":"目标是坐在红色踏板车上、戴红头盔并穿蓝衣紫裤的骑手。框覆盖头盔、可见头部、躯干、手臂与手、裤子及蓝鞋，不包含车辆部件。六个正点分布于这些人体及服饰区域；负点位于踏板车、时钟、定位图标和外部背景。"}},{"name":"FAST DELIVERY heading","description":"Large dark purple uppercase heading above the scooter in the delivery scene.","membership":"Include the complete text “FAST DELIVERY,” including its progressive reveal. Exclude the rider, scooter, background skyline, and transition bands.","id":"obj_012","temporal":{"status":"found","start_s":4.25,"end_s":6.25,"reference_s":5.0,"evidence":"目标是踏板车上方深紫色大写“FAST DELIVERY”标题。4.25秒首次完整呈现，6.00秒为最后合格帧；此前4.00秒文字仍在揭示且被画面上边界裁切，之后6.25秒转场色带开始遮盖标题。选择5.00秒作为关键帧，文字完整清晰、无遮挡，便于标注。","start_frame":102,"end_frame":150,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[142.2,99.1,842.2,290.7],"positive_points":[[156.3,194.4],[216.1,115.7],[278.6,256.5],[406.3,194.4],[630.2,250],[810.4,228.7]],"negative_points":[[104.2,194.4],[890.6,189.8],[442.7,356.5],[458.3,583.3]],"evidence":"目标为画面上方深紫色大写标题“FAST DELIVERY”。边界框紧贴完整标题的可见范围；六个正点分布在两词的不同字母笔画上，负点位于标题两侧及下方背景和骑手衣服上，排除骑手、车辆及背景。"}},{"name":"Delivery clock icon","description":"Large circular clock behind the rider and above the scooter's rear box, with a golden rim, white face, and red hands and tick marks.","membership":"Include the outer rim and the entire enclosed face, hands, ticks, and central hub. Exclude the rider and delivery box that overlap it.","id":"obj_013","temporal":{"status":"found","start_s":4.5,"end_s":6.5,"reference_s":4.75,"evidence":"目标是骑手后方、配送箱上方的金色圆框时钟，内有白色表盘和红色指针、刻度。4.25秒仍处于由黄色线条形成时钟的未完成显现阶段；4.5秒首次完整建立。最后合格帧为6.25秒，6.5秒横向遮罩已开始遮去时钟。选择4.75秒作关键帧，轮廓与表盘清晰，便于区分重叠的骑手和配送箱。","start_frame":108,"end_frame":156,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[314.6,445.4,439.1,676.9],"positive_points":[[379,455],[319,556],[379,667],[362,509],[397,581],[349,613]],"negative_points":[[446,597],[354,724],[286,530],[448,430]],"evidence":"目标是骑手身后、配送箱上方的金色圆框时钟。边界框紧贴时钟可见部分，包含外框及表盘；六个正点分布在金色边框和白色表盘上，四个负点位于骑手上衣、头盔、配送箱及左侧外部背景，排除遮挡物。"}},{"name":"Delivery location pin","description":"Blue teardrop-shaped map pin with a white circular center, floating above the scooter's front.","membership":"Include the full outer pin shape, its shaded edge, and the enclosed white circular center. Exclude the scooter, rider, and background.","id":"obj_014","temporal":{"status":"found","start_s":4.5,"end_s":6.5,"reference_s":5.0,"evidence":"目标是悬浮在踏板车前部上方的蓝色水滴形定位图钉，包含白色圆心及侧边阴影。首个完整呈现帧为4.50秒，最后合格帧为6.25秒；4.25秒时仍由蓝色线条变形成图钉，尾部尚未形成完整轮廓，6.50秒时转场遮罩已覆盖目标。选择5.00秒作为关键帧，此时图钉轮廓清晰且无遮挡。","start_frame":108,"end_frame":156,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[526.6,417.6,597.9,575],"positive_points":[[558,431],[534,476],[561,479],[559,540],[580,511],[593,475]],"negative_points":[[513,432],[573,645],[470,574],[625,506]],"evidence":"目标是悬浮在踏板车前方上方的蓝色水滴形定位图钉。边界框紧贴完整外形，包含右侧阴影边缘和白色圆心；六个正点分布于蓝色主体、尖端、阴影及白色圆心，四个负点位于外部背景、车灯和骑手上。"}},{"name":"Final meal burger","description":"Large burger assembled from separated layers on the left of the closing food arrangement, with an orange sesame bun, dark patty, and red and pale filling layers.","membership":"Include both bun halves and all filling layers, including while those components move into place. Exclude the drink behind it and the adjacent sushi platter.","id":"obj_015","temporal":{"status":"found","start_s":7.0,"end_s":9.0,"reference_s":8.0,"evidence":"目标是结尾餐食组合左侧由橙色芝麻面包、深色肉饼及红色和浅色夹层组成的汉堡，不含饮料和寿司。7.0秒各组成部分已完整出现，虽仍重叠、分离并移动归位，按目标范围保留；此前6.75秒尚未完整呈现全部组成部分。最后合格帧为8.75秒，汉堡仍完整可见，区间延伸至视频结束9.0秒，之后无采样帧。选择8.0秒作为关键帧，此时汉堡已组合完整，轮廓清楚。","start_frame":168,"end_frame":216,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[253.1,663.0,452.6,912.0],"positive_points":[[307.3,722.2],[406.3,738.0],[354.2,801.9],[322.9,821.3],[338.5,835.2],[354.2,883.3]],"negative_points":[[440,600],[550,835],[620,610],[220,800]],"evidence":"目标是餐食组合左侧的大汉堡，具有橙色芝麻上盖、深色肉饼及红色和浅色夹层。边界框紧贴上下两片面包及全部可见夹层；正点分布在上盖、肉饼、浅色与红色夹层和下层面包，负点位于后方饮料、右侧寿司、红色纸盒及左侧外部背景。"}},{"name":"Final meal soft drink","description":"Tall blue takeaway drink behind the closing burger, with a broad pale horizontal band, pale lid, and bent blue straw.","membership":"Include the cup body, colored and pale bands, lid, and straw. Exclude the burger, carton, and sushi platter.","id":"obj_016","temporal":{"status":"found","start_s":7.0,"end_s":9.0,"reference_s":8.0,"evidence":"目标为结尾餐点中汉堡后方的蓝色饮料杯，包含浅色横带、杯盖和弯曲蓝色吸管。首个合格帧为7.00秒，杯体已完整入画，吸管上端暂被汉堡遮挡；此前6.75秒杯体仍被左侧画面边界裁切。最后合格帧为8.75秒，目标仍完整存在，区间延续至视频结束9.00秒，无后续帧。选择8.00秒作为关键帧，杯盖、横带和弯曲吸管清楚，便于区分邻近餐点。","start_frame":168,"end_frame":216,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[346.4,242.6,515.6,792.6],"positive_points":[[428,312],[430,384],[443,464],[439,567],[472,699],[362,608]],"negative_points":[[344,747],[566,557],[550,833],[321,445]],"evidence":"目标是汉堡后方带浅色横带、浅色杯盖和弯曲蓝色吸管的高杯饮料。边界框紧贴吸管顶端、杯盖两侧及可见杯身底部；正点分布在吸管、杯盖、蓝色杯身和浅色横带上，负点位于汉堡、纸盒、寿司及左侧外部背景。"}},{"name":"Final meal takeaway carton","description":"Red folded-top food carton behind the sushi in the closing arrangement, bearing a large golden circular emblem with a red diamond at its center.","membership":"Include the carton surface, folded top, side panels, and printed emblem. Exclude sushi pieces overlapping its front and the neighboring drink.","id":"obj_017","temporal":{"status":"found","start_s":7.0,"end_s":9.0,"reference_s":7.0,"evidence":"目标是结尾餐食组合中带金色圆环及红色菱形徽记的红色折顶外卖盒，随后移至寿司后方。6.75秒时它仍在画面右缘被裁切；7.00秒首次完整呈现，盒面、折顶和侧面均已建立。最后合格帧为8.75秒，目标仍完整存在，因此区间延续至视频结束9.00秒，之后无采样帧。选择7.00秒为关键帧，因为盒体与徽记清楚，尚未被寿司遮挡。","start_frame":168,"end_frame":216,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[789,454,967,821],"positive_points":[[878,475],[864,522],[805,590],[877,674],[876,786],[946,595]],"negative_points":[[290,597],[551,702],[746,659],[892,392]],"evidence":"目标是画面右侧的红色折顶外卖餐盒，正面有金色圆形徽章和红色菱形。边界框紧贴盒体，覆盖折顶、侧面及印刷徽章。六个正点分布在这些部位；负点位于左侧饮料、寿司以及餐盒左侧和上方的外部背景。"}},{"name":"Final sushi platter","description":"Compact closing sushi assortment on a blue-and-dark rectangular tray: two triangular rice balls with dark seaweed panels, two round maki rolls, and two red-striped nigiri pieces.","membership":"Include the tray surface and boundary and all sushi pieces belonging to this assortment, including their movement into position. Exclude the adjacent burger, drink cup, and red takeaway carton.","id":"obj_018","temporal":{"status":"found","start_s":7.25,"end_s":9.0,"reference_s":7.75,"evidence":"目标为蓝色深底矩形托盘及其上的两个三角饭团、两个圆形寿司卷和两个红条纹握寿司，不含旁边的汉堡、饮料和外卖盒。7.00秒时托盘仍在展开，部分寿司尚未完整进入画面；7.25秒起所有指定成员和托盘结构已完整建立，随后移动就位也计入。最后合格帧为8.75秒，持续至视频结束9.00秒，之后无采样帧。选择7.75秒作为关键帧，托盘及寿司组合已就位、轮廓清楚。","start_frame":174,"end_frame":216,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[418,713,697,914],"positive_points":[[472,847],[505,790],[550,824],[646,737],[631,814],[660,894]],"negative_points":[[350,734],[432,550],[580,562],[744,845]],"evidence":"目标是画面右下方蓝色深边托盘上的寿司组合，可见三角饭团、圆形海苔卷和两块红条纹握寿司。边界框紧贴这些寿司及托盘的可见范围；正点分布在饭团、海苔卷、两块握寿司和托盘上，负点位于相邻汉堡、饮料杯、红色外带盒及右侧空白背景。"}}]}
+{"video_id":263,"video_type":"icons and abstract motion graphics","targets":[{"name":"“DO YOU WANT TO WORK?” title","description":"Large white uppercase text on blue, with “WORK” on the second line and a yellow question mark.","membership":"Includes the complete lettering and question mark throughout their reveal and movement. Excludes the blue background, yellow transition shapes, and motion-blur trails.","id":"obj_001","temporal":{"status":"found","start_s":1.5,"end_s":2.5,"reference_s":2.0,"evidence":"目标是蓝底上的两行白色大写标题“DO YOU WANT TO WORK”和黄色问号。1.50秒完整文字及问号均已出现，虽仍在运动变形但结构完整；前一帧1.25秒尚无问号。最后合格帧为2.25秒，标题仍完整可见；2.50秒黄色圆形转场开始遮去标题。选择2.00秒作为关键帧，文字和问号清晰、无遮挡。","start_frame":36,"end_frame":60,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[214.6,314.8,784,673.1],"positive_points":[[224,380],[431,380],[715,380],[250,600],[424,570],[609,555]],"negative_points":[[180,490],[515,260],[819,470],[460,733]],"evidence":"目标是蓝底上的两行标题“DO YOU WANT TO WORK?”，字母为白色，问号为黄色。边界框紧密覆盖全部字母和问号；六个正点分布在两行字母及问号的实心笔画上，四个负点位于标题外围的蓝色背景，避开字间空隙与字形内部孔洞。"}},{"name":"Young man in a yellow jacket","description":"Animated smiling man with brown flat-top hair, a yellow zip-front jacket, black collar, and white undershirt. Initially shown large, he subsequently becomes the portrait in the profile card.","membership":"Includes the visible figure, hair, face, and clothing. When presented as a portrait, includes only the visible figure within the circular crop. Excludes the surrounding portrait ring, card, and magnifying glass.","id":"obj_002","temporal":{"status":"found","start_s":2.75,"end_s":7.25,"reference_s":3.25,"evidence":"目标为棕色平顶发、黄色拉链夹克、黑领及白色内衫的微笑男子，随后连续缩小成为资料卡中的头像。首个合格帧为2.75秒，人物已完整呈现为半身设计；前一帧2.50秒仍在从画面下方进入，呈现未完成。最后合格帧为7.00秒，右侧转场尚未遮去人物；7.25秒已切换为手机画面，人物消失。选择3.25秒作为关键帧，人物较大、轮廓清楚且无遮挡，不包含后续头像圆环、卡片或放大镜。","start_frame":66,"end_frame":174,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[275.5,122.2,718.2,1000],"positive_points":[[504,159],[506,379],[501,494],[328,858],[448,793],[667,855]],"negative_points":[[211,391],[675,300],[209,865],[793,846]],"evidence":"图中唯一人物为棕色平顶发、面带微笑、穿黄色拉链夹克的年轻男子。边界框紧贴头发顶部、左右衣袖及图像底部截断的衣着，包含全部可见人物。正点分布在头发、脸、颈部、躯干和两侧衣袖；负点均位于人物外部的白色背景。"}},{"name":"Profile card","description":"White rounded rectangular card with a green outline, a circular portrait of the yellow-jacketed man at the top, and four cyan horizontal information lines below.","membership":"Includes the card surface, green outer boundary, portrait ring and its enclosed contents, and cyan information lines. Excludes the independently overlaid magnifying glass and operating hand.","id":"obj_003","temporal":{"status":"found","start_s":4.5,"end_s":7.0,"reference_s":5.0,"evidence":"目标为绿色圆角外框的白色资料卡，包含顶部人物圆形肖像及下方四条青色信息线，不含放大镜和手。4.50秒卡面及外边框首次完整建立；此前4.25秒右上边框仍有缺口。信息线后续伸长属于卡片内部内容变化。最后合格帧为6.75秒，7.00秒蓝黄色转场开始遮去卡片右侧。选择5.00秒为关键帧，此时卡片轮廓清楚，肖像和四条信息线可辨，尚未被放大镜遮挡。","start_frame":108,"end_frame":168,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[238,34,764,944],"positive_points":[[244,477],[689,172],[485,235],[492,592],[653,828],[430,933]],"negative_points":[[160,510],[820,450],[650,13],[940,940]],"evidence":"目标为绿色圆角边框的白色个人资料卡，上方有黄衣男子圆形头像，下方有四条青色信息线。框覆盖整张卡片及其外边界；正点分布在卡面、边框、头像和信息线上，负点位于卡外背景及右下角独立的蓝色物体上。"}},{"name":"Magnifying glass","description":"Large circular magnifier with a dark blue rim, pale blue transparent lens, and a handle extending toward the lower right, swept across the profile card.","membership":"Includes the rim, entire enclosed lens area, and handle. The card seen through the lens remains within the lens region. Excludes the hand holding the handle and motion trails.","id":"obj_004","temporal":{"status":"found","start_s":5.5,"end_s":7.0,"reference_s":5.5,"evidence":"目标为扫过资料卡的深蓝圆框、浅蓝透明镜片及右下方手柄，不包括手和运动拖影。首个合格帧为5.50秒，放大镜已完整进入画面；前一帧5.25秒镜框上缘仍被画面边界裁切。最后合格帧为6.75秒，7.00秒蓝黄色转场遮罩开始遮去手柄等部分。选择5.50秒作为关键帧，镜框、镜片和手柄轮廓清楚，便于区分放大镜与持握的手。","start_frame":132,"end_frame":168,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[301,199,727,638],"positive_points":[[424,213],[308,410],[420,619],[423,414],[597,554],[722,574]],"negative_points":[[651,565],[521,665],[491,168],[806,349]],"evidence":"目标是覆盖资料卡的深蓝边框圆形放大镜。框覆盖镜框、整个浅蓝透明镜片及向右下延伸、被手遮挡的可见镜柄。六个正点分布在镜框、镜片和两处露出的镜柄上；负点位于手、下方卡片横线、上方头像和右侧外部背景，不包含手或运动拖影。"}},{"name":"Magnifier-holding hand","description":"Peach-colored animated hand and forearm entering from the lower right, wearing a blue-purple sleeve with a white buttoned cuff and gripping the magnifier.","membership":"Includes the visible hand, fingers, cuff, button, and sleeve, following their actual outline. Excludes the magnifying glass and profile card.","id":"obj_005","temporal":{"status":"found","start_s":5.25,"end_s":7.0,"reference_s":5.5,"evidence":"目标是握住放大镜的桃色手及蓝紫色衣袖、白色纽扣袖口，不包含放大镜。5.25秒手指、袖口和衣袖已完整建立，袖子在画面下缘的截断属于持续的构图裁切；此前5.0秒仅有入场的衣袖一角。最后合格帧为6.75秒，7.0秒蓝黄色转场遮罩已开始移除目标。选择5.5秒作为关键帧，手指、袖口纽扣和衣袖轮廓清楚，便于独立标注。","start_frame":126,"end_frame":168,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[543.8,426.9,882.3,1000],"positive_points":[[606,459],[660,591],[562,592],[683,790],[750,817],[798,960]],"negative_points":[[421,416],[486,179],[469,663],[816,546]],"evidence":"目标是从右下方伸入、握住放大镜的桃色手及蓝紫色衣袖。边界框紧贴可见手指、手掌、白色带纽扣袖口和延伸至图像底边的衣袖。正点分布于手指、拇指、手掌、袖口及衣袖；负点位于放大镜镜面、卡片头像、卡片蓝色横线及右侧外部背景，排除放大镜和资料卡。"}},{"name":"Handheld touchscreen device","description":"Black-framed device first held vertically with a pale blue reflective screen and a circular front camera. It later enlarges and rotates into a landscape display showing colored blocks.","membership":"Includes the complete device frame, screen surface, camera, reflections, and all displayed contents throughout its orientation and content changes. Excludes the external hands and blue background.","id":"obj_006","temporal":{"status":"found","start_s":7.5,"end_s":16.0,"reference_s":13.0,"evidence":"目标是带黑色边框、反光屏幕和圆形前置摄像头的触屏设备，随后连续放大并旋转成横屏，屏内内容变化不改变其身份。首个合格帧为7.50秒，设备完整进入画面；前一帧7.25秒仍被左侧画面边界裁切。最后合格帧为15.75秒，设备仍完整可见，故区间延续至视频结束16.00秒，之后无采样帧。选择13.00秒作为关键帧，横屏设备轮廓清晰、无遮挡，摄像头和屏内彩色方块易于辨认。","start_frame":180,"end_frame":384,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[155.2,116.7,855.7,868.5],"positive_points":[[167,331],[491,184],[304,376],[744,437],[511,761],[690,778]],"negative_points":[[91,291],[916,340],[497,67],[502,936]],"evidence":"图中横向黑框触屏设备具有反光屏幕、顶部圆形摄像头及底部三块彩色显示内容，与目标一致。边界框紧贴整个设备外缘，涵盖边框、屏幕及全部显示内容；正点分布在边框、摄像头、屏幕和彩色块上，负点位于设备外部的蓝色背景。"}},{"name":"Device-holding hand","description":"Peach-colored hand with a yellow sleeve entering from the lower left, holding the upright touchscreen with fingers wrapped around its right edge.","membership":"Includes the visible holding hand, fingers, wrist, and yellow sleeve. Excludes the device and the separate hand interacting with its screen.","id":"obj_007","temporal":{"status":"found","start_s":7.5,"end_s":12.0,"reference_s":8.0,"evidence":"目标是从左下方伸出、穿黄色袖子并握住设备的桃色手，手指包住设备右缘，不包括另一只操作屏幕的手。首个合格帧为7.50秒，7.25秒仍在入场且被左边界截断；最后合格帧为11.75秒，12.00秒握持手已随设备转换向下退出并被下边界截断。选择8.00秒作为关键帧，此时手指、手腕和袖子清楚，且没有操作手遮挡。","start_frame":180,"end_frame":288,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[157,309,511,1000],"positive_points":[[232,956],[315,790],[306,529],[484,348],[483,457],[472,656]],"negative_points":[[391,432],[421,704],[561,550],[71,831]],"evidence":"目标是从左下方伸入、握住竖直设备的桃色手及黄色袖子。边界框覆盖可见袖子、手腕、手掌和设备右侧的手指；正点分布在袖子、掌部、拇指及右侧手指上，负点位于被排除的设备屏幕和外围蓝色、黄色背景。"}},{"name":"Purple bar chart","description":"Three purple vertical bars on the upright device screen, with a taller center bar and shorter bars on either side.","membership":"Includes the three bars as one compact chart, including their visible lighter portions beneath screen reflections. Excludes the surrounding screen, camera, device frame, and hands.","id":"obj_008","temporal":{"status":"found","start_s":8.75,"end_s":10.5,"reference_s":9.0,"evidence":"目标是竖直设备屏幕内的三根紫色柱，中央较高、两侧较矮，包括反光下的浅色部分。8.75秒三根柱首次完整呈现；此前8.50秒仅有两根柱。最后合格帧为10.25秒，10.50秒柱图上移，中央柱开始被屏幕上沿裁切，进入退出过程。选择9.00秒为关键帧，三柱形状清晰，手部遮挡较少。","start_frame":210,"end_frame":252,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[354.2,494.4,495.3,750.9],"positive_points":[[370,622],[386,731],[416,522],[431,695],[471,579],[474,734]],"negative_points":[[440,423],[415,286],[506,588],[559,672]],"evidence":"目标是设备屏幕下半部的三根紫色竖条，中间较高、两侧较短。边界框紧贴三根柱条的可见范围，包含反光下的浅紫色部分。六个正点分布在各柱条的可见内容上；负点位于周围屏幕、摄像头、手指及设备外蓝色背景上。"}},{"name":"Screen-interacting hand","description":"Second peach-colored hand with a yellow sleeve entering from the lower right, using an extended finger to touch and swipe the upright device screen.","membership":"Includes the visible fingers, hand, wrist, and sleeve. Excludes the holding hand, device, and screen graphics.","id":"obj_009","temporal":{"status":"found","start_s":9.5,"end_s":11.25,"reference_s":9.5,"evidence":"目标是从右下方伸入、穿黄色袖子并用伸出的手指触碰屏幕的第二只桃色手，不包括左侧持机手。9.5秒首次完整呈现手指、手掌、手腕及可见袖子；9.25秒仍在入场，手腕和袖子尚未完整显现。最后合格帧为11.0秒，手正在回撤但仍完整；11.25秒手已退出至画面下缘并被裁切。选择9.5秒作关键帧，手形清晰，触屏姿态明确，易与持机手区分。","start_frame":228,"end_frame":270,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[406,461,806,1000],"positive_points":[[425,559],[524,498],[577,669],[613,816],[674,904],[760,974]],"negative_points":[[341,788],[426,388],[522,395],[742,650]],"evidence":"目标是从右下方伸入、以伸直手指触碰屏幕的第二只手。边框覆盖其可见手指、手掌、手腕及延伸至图像底部的黄色袖子；正点分布在这些部位，负点位于左侧持机手、设备屏幕、上方持机指尖和右侧蓝色背景。"}},{"name":"Blue animated block","description":"Light blue, black-outlined block in the landscape device display. It begins on the left and later moves into the middle of the three-block stack.","membership":"Includes the block’s colored face and outline throughout its movement, rotation, and deformation. Excludes detached motion marks, other blocks, and the device screen.","id":"obj_010","temporal":{"status":"found","start_s":12.25,"end_s":15.25,"reference_s":13.0,"evidence":"目标是横屏设备内带黑色轮廓的浅蓝色方块，起初位于左侧，随后移到三色堆叠的中间。12.25秒首次完整可见，虽有运动拉伸仍属完整形态；此前12.0秒它在屏幕上缘被裁切。最后合格帧为15.0秒，15.25秒方块已消失。选择13.0秒作为关键帧，此时蓝色方块轮廓清晰，与红、绿方块分离，便于标注。","start_frame":294,"end_frame":366,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[291.7,694.4,377.6,828.7],"positive_points":[[302,708],[363,716],[327,742],[352,774],[305,804],[368,815]],"negative_points":[[511,753],[691,761],[409,769],[267,680]],"evidence":"目标是设备屏幕底部最左侧的浅蓝色黑边方块。边界框紧贴其可见彩色面及黑色轮廓，下缘止于设备边框遮挡处。六个正点分布于蓝色块各处；负点位于红块、绿块及蓝块外侧的屏幕背景。"}},{"name":"Red animated block","description":"Coral-red, black-outlined block in the landscape device display. It occupies the center position before becoming the bottom of the stack.","membership":"Includes the block’s colored face and outline throughout its movement, rotation, and deformation. Excludes detached motion marks, other blocks, and the device screen.","id":"obj_011","temporal":{"status":"found","start_s":12.5,"end_s":15.0,"reference_s":14.0,"evidence":"目标是横屏设备内带黑色轮廓的珊瑚红色方块，先位于中间，随后成为三色堆叠的底块。首个合格帧为12.50秒；12.25秒时它仍被显示区域上缘裁切，尚未完整呈现。最后合格帧为14.75秒，15.00秒时红块开始被显示区域下缘裁切，15.25秒已消失。选择14.00秒作为关键帧，红块形状清晰，与上方蓝、绿方块容易区分。","start_frame":300,"end_frame":360,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[470.3,693.5,555.7,828.7],"positive_points":[[479.7,711.1],[510.4,722.2],[544.8,706.5],[486.5,794.4],[520.8,808.3],[549,780.6]],"negative_points":[[511.5,622.2],[507.3,458.3],[580.2,760.2],[515.6,849.1]],"evidence":"目标是设备屏幕中央堆叠最底部的珊瑚红色黑边方块。边框紧贴红色块当前可见的色面和轮廓，下端止于设备边框遮挡处。六个正点分散在红色块内；负点位于上方蓝块、绿块、右侧屏幕及下方设备边框。"}},{"name":"Green animated block","description":"Light green, black-outlined block in the landscape device display. It begins on the right and later moves to the top of the stack.","membership":"Includes the block’s colored face and outline throughout its movement, rotation, and deformation. Excludes detached motion marks, other blocks, and the device screen.","id":"obj_012","temporal":{"status":"found","start_s":12.5,"end_s":15.25,"reference_s":14.25,"evidence":"目标是横向设备屏幕内浅绿色、黑色描边的方块，从右侧移动到红蓝方块堆叠的顶部。12.50秒首次完整显示自身轮廓；前一帧12.25秒仍被屏幕上边缘裁切。15.00秒是最后完整可见帧，旋转和运动模糊不影响其完整性；15.25秒方块已消失。选择14.25秒作为关键帧，此时绿色方块位于堆叠顶部，形状清晰且无遮挡。","start_frame":300,"end_frame":366,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[470.3,391.7,555.7,545.4],"positive_points":[[481,411],[536,407],[509,445],[482,493],[538,517],[510,533]],"negative_points":[[513,618],[513,756],[580,464],[441,425]],"evidence":"目标是设备屏幕内堆叠最上方的浅绿色黑边方块。边界框紧贴其绿色表面及黑色轮廓；六个正点分散覆盖绿色表面，四个负点分别位于下方蓝块、红块及左右屏幕背景，均避开目标边缘。"}}]}
+{"video_id":264,"video_type":"icons and abstract motion graphics","targets":[{"name":"LEGIBILITY title","description":"Large, pale blue-gray uppercase word behind the opening shape and camera graphics.","membership":"Includes only the letterforms of “LEGIBILITY”; excludes the foreground graphics and other text.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0.5,"evidence":"目标是开场形状与相机图形后方的大号浅蓝灰色“LEGIBILITY”字母，不包括前景图形。首个合格帧为0.00秒，最后为1.50秒；1.75秒时该标题完全消失，前景图形仍在。2.00秒的再次出现不并入本段。区间始于视频开头，无更早帧。选择0.50秒作为关键帧，字形清晰、位置稳定，便于区分标题与前景。","start_frame":0,"end_frame":42,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[290.6,373.1,712,629.6],"positive_points":[[296.4,490.7],[360.4,622.2],[399,538],[476,484.3],[530.2,513.9],[692.7,605.6]],"negative_points":[[640.6,541.7],[786.5,537],[626,685.2],[505.2,324.1]],"evidence":"目标是位于几何图形和相机图标后方的浅蓝灰色大写“LEGIBILITY”。边界框覆盖该词全部可见字形；六个正点分布在不同字母未被遮挡的笔画上，负点位于前景相机、橙色文字及上方外部空白处。"}},{"name":"Diagonal line","description":"Dark teal line rising to the right in the upper-left position of the opening basic-shapes arrangement.","membership":"Includes the open line stroke and its rounded ends; excludes surrounding whitespace and underlying text.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":3.5,"reference_s":2.75,"evidence":"目标是开场基本形状组合左上方、向右上倾斜且两端圆润��深青色开放线段。首个合格帧为0秒，已完整呈现；最后合格帧为3.25秒，3.5秒开始明显淡出，故不纳入。区间始于视频开头，没有更早采样帧。选择2.75秒作为关键帧，此时线段清晰，底层背景文字已消失，便于独立标注。","start_frame":0,"end_frame":84,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[241.1,372.2,300,477.8],"positive_points":[[243.8,473.1],[253.6,455.6],[263.5,438],[276,414.8],[286.5,396.3],[297.4,376.9]],"negative_points":[[328.6,416.7],[240.6,555.6],[242,390],[291.7,476.9]],"evidence":"目标是左侧基本形状组合左上方、向右上倾斜的深青色线段。边界框紧贴线条及两端圆头；六个正点沿实际笔画分布，四个负点位于外部空白及邻近三角形、圆形轮廓上，不包含下方文字。"}},{"name":"Triangle outline","description":"Dark teal outlined right triangle above the square in the opening arrangement.","membership":"Includes the triangular boundary and enclosed area; excludes underlying title text as a separate subject.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":3.5,"reference_s":2.75,"evidence":"目标是开场基本形状排列中、正方形上方的深青色直角三角形轮廓。首个合格帧为0.00秒，视频起点之前无采样帧；末个合格帧为3.25秒，三角形仍完整可见。紧邻的3.50秒帧已开始淡出，因此不纳入。选择2.75秒作为关键帧，此时轮廓清晰，且底层标题文字已消失，便于区分和标注。","start_frame":0,"end_frame":84,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[326.6,372.2,382.3,472.2],"positive_points":[[330,382],[369,380],[330,456],[329,411],[348,404],[344,423]],"negative_points":[[270,425],[355,512],[396,428],[292,685]],"evidence":"目标是左侧图形组中、正方形上方的深青色直角三角形。边界框紧贴三角形外缘，包含轮廓及其内部；正点分布于边界和内部，负点位于旁边斜线、下方正方形、右侧外部背景及下方标题，均不属于目标。"}},{"name":"Circle outline","description":"Dark teal outlined circle below the diagonal line in the opening arrangement.","membership":"Includes the circular boundary and enclosed area; excludes adjacent shapes.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":3.5,"reference_s":2.75,"evidence":"目标是开场基本形状排列中、斜线下方的深青色空心圆，区别于右侧方框及相机图标。首个合格帧为0.00秒，圆形已完整显示；最后合格帧为3.25秒，3.50秒开始明显淡出，故区间结束于3.50秒。区间起点即视频开头，没有更早帧。选择2.75秒作关键帧，此时圆形边界清晰，背景大字已消失，无遮挡，便于标注。","start_frame":0,"end_frame":84,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[239.06,508.33,297.92,612.96],"positive_points":[[268.23,512.04],[241.15,560.19],[268.23,609.26],[295.83,559.26],[256.25,543.52],[277.6,579.63]],"negative_points":[[328.13,560.19],[270.83,425.93],[223.96,555.56],[268.23,638.89]],"evidence":"目标是左侧图形组中斜线下方的深青色圆形轮廓。边界框紧贴圆的外缘，包含圆周及其内部区域；六个正点分布在圆周和内部，四个负点位于相邻方形、上方斜线及圆外背景。"}},{"name":"Square outline","description":"Dark teal outlined square below the triangle in the opening arrangement.","membership":"Includes the square boundary and enclosed area; excludes adjacent shapes.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":3.5,"reference_s":2.75,"evidence":"目标是开场基本形状排列中、三角形下方的深青色空心正方形，排除左侧圆形等相邻图形。首个合格帧为0.00秒，方形轮廓已完整；最后合格帧为3.25秒，3.50秒开始明显淡出，因此不纳入。区间起点就是视频开头，无更早帧。选择2.75秒作为关键帧，此时背景大字已消失，方形边界清晰且无遮挡。","start_frame":0,"end_frame":84,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[326.56,508.33,385.42,612.96],"positive_points":[[354.17,511.11],[328.65,555.56],[383.33,546.3],[353.13,609.26],[343.75,536.11],[369.79,582.41]],"negative_points":[[239.58,560.19],[328.65,407.41],[414.06,556.48],[356.25,686.11]],"evidence":"目标是左侧基本形状组合中、三角形下方的深青色方框。边界框紧贴方框外缘，包含边界及内部区域；六个正点分布在四边和内部，四个负点位于相邻圆形、上方三角形、右侧外部背景及下方标题处。"}},{"name":"Large camera icon","description":"Largest of three dark teal camera silhouettes on the right of the opening slide, with a circular lens and raised viewfinder.","membership":"Includes the camera body, its internal openings and lens area, and the small shutter-button element above it; excludes neighboring cameras and text.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":3.5,"reference_s":2.75,"evidence":"目标是开场右侧三台深青色相机中最大的一台，包含圆形镜头、凸起取景器及上方小快门按钮。首个合格帧为0.00秒，最后为3.25秒；视频起点前无采样帧，3.50秒时相机已开始淡出，因此不纳入。选择2.75秒作为关键帧，相机轮廓清晰完整，背景大字已消失，便于与邻近较小相机区分。","start_frame":0,"end_frame":84,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[620.3,390.7,764.6,584.3],"positive_points":[[635.4,477.8],[744.8,562],[692.2,510.2],[691.7,424.1],[665.6,401.9],[745.3,419.4]],"negative_points":[[816,542],[890,559],[681,685],[595,474]],"evidence":"目标是右侧三台深青色相机中最大的一台。边界框紧贴机身、凸起取景器及右上方独立快门按钮；正点分布在机身、镜头、取景器开口和按钮上，负点位于相邻两台小相机、下方文字及左侧外部背景。"}},{"name":"Medium camera icon","description":"Middle-sized dark teal camera between the largest camera and the tiny rightmost camera.","membership":"Includes this camera’s body, enclosed lens and viewfinder areas, and shutter-button element; excludes the other cameras.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":3.5,"reference_s":3,"evidence":"目标是最大相机与最右侧微型相机之间的中型深青色相机，包含机身、镜头、取景窗及快门按钮。首个合格帧为0.00秒，已完整显示；最后合格帧为3.25秒。视频起点之前无采样帧，3.50秒时目标开始明显淡出，因此不纳入。选择3.00秒作为关键帧，此时相机清晰完整，背景无大字干扰，易与另外两台相机区分。","start_frame":0,"end_frame":84,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[776,474.1,858.3,584.3],"positive_points":[[783.3,512],[802.1,573.1],[847.9,564.8],[814.6,480.6],[817.2,539.8],[847.4,489.8]],"negative_points":[[729.2,518.5],[890.6,562],[812.5,439.8],[812.5,609.3]],"evidence":"目标是最大相机与最右侧微型相机之间的中号深青色相机。边界框覆盖其机身、镜头、取景窗及独立快门按钮。正点分布在机身、顶部、镜头和按钮上；负点位于另外两台相机及目标上、下方的外部白色背景。"}},{"name":"Small camera icon","description":"Smallest dark teal camera at the far right of the opening camera sequence.","membership":"Includes this camera’s complete silhouette, enclosed details, and shutter-button element; excludes neighboring graphics.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":3.5,"reference_s":2.75,"evidence":"目标是开场三枚深青色相机中最右侧、尺寸最小的一枚，包含完整轮廓、镜头及顶部快门按钮。首个合格帧为0秒，最后合格帧为3.25秒；3.5秒时该相机已开始淡出，因此不纳入。区间始于视频开头，没有更早的采样帧。选择2.75秒为关键帧，此时相机清晰完整，背景大字已消失，便于与相邻图形区分。","start_frame":0,"end_frame":84,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[869.8,528.7,911.0,584.3],"positive_points":[[882.8,532.4],[905.7,536.1],[872.9,548.1],[907.3,576.9],[890.1,562.0],[876.0,577.8]],"negative_points":[[838.0,555.6],[924.5,562.0],[889.1,507.4],[890.1,607.4]],"evidence":"目标是右侧相机序列中最右、最小的深青色相机。边界框紧贴其完整轮廓，包含顶部凸起、内部细节及独立快门按钮。六个正点分布于机身、镜头中心、顶部和按钮；负点位于左侧相邻相机及目标上、右、下方的外部背景。"}},{"name":"BASIC SHAPES text block","description":"Orange heading “BASIC SHAPES” with the teal list “Circles”, “Squares”, “Triangles”, and “Lines” beneath it.","membership":"Includes the heading and four list lines only; excludes the geometric examples above.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":3.5,"reference_s":2.75,"evidence":"目标为橙色“BASIC SHAPES”标题及下方青色 Circles、Squares、Triangles、Lines 四行文字，不包括上方几何图形。首个合格帧为0.00秒，文字已完整显示，且视频起点前无采样帧；最后合格帧为3.25秒。紧邻的3.50秒帧中文字已开始淡出，因此区间结束于3.50秒。选择2.75秒作为关键帧，文字清晰完整、无遮挡，且背景大字已消失，便于标注。","start_frame":0,"end_frame":84,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[130.2,663.9,375.5,846.3],"positive_points":[[133.3,684.3],[265.6,685.2],[328.1,742.6],[317.7,770.4],[312.5,797.2],[340.6,842.6]],"negative_points":[[240.6,560.2],[329,553],[653,686],[108,782]],"evidence":"目标是左下方橙色“BASIC SHAPES”标题及其下方四行青色列表。边界框覆盖标题和全部列表文字，不含上方几何图形。六个正点分布在标题及四行文字的笔画上；负点位于上方几何图形、右侧标题和框外空白处。"}},{"name":"LEGIBLE text block","description":"Orange heading “LEGIBLE” above “Easy to identify”, “Minimum details”, “Basic shapes”, and “Maintains detail at smaller scales”.","membership":"Includes the heading and its explanatory lines; excludes the camera graphics above.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":3.5,"reference_s":2.75,"evidence":"目标为右侧橙色“LEGIBLE”标题及下方四行说明，不含上方相机图形。首个合格帧为0.00秒，文字已完整呈现；最后合格帧为3.25秒，3.50秒开始明显淡出，因此区间结束于3.50秒。区间始于视频开头，无更早采样帧。选择2.75秒作为关键帧，文字清晰完整、无遮挡，且背景大字已消失，便于标注。","start_frame":0,"end_frame":84,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[622.4,664.8,864,847.2],"positive_points":[[625.5,684.3],[743.8,682.4],[625,742.6],[624.5,773.1],[625,803.7],[624.5,834.3]],"negative_points":[[636,503],[788,530],[906,776],[300,685]],"evidence":"目标是右下方橙色“LEGIBLE”标题及其下方四行说明文字。边界框紧贴整个文字块，包含行间空隙但不包含上方相机图形。六个正点位于标题和各说明行的字形笔画上；负点位于上方相机、右侧外部背景及左侧其他标题上。"}},{"name":"Pathfinder Tool heading","description":"Centered orange “Pathfinder Tool” title with the smaller instruction “Window > Pathfinder” beneath it.","membership":"Includes both text lines as they appear; excludes the operation icons and demonstration shapes.","id":"obj_011","temporal":{"status":"found","start_s":4.5,"end_s":9.25,"reference_s":5.25,"evidence":"目标为居中的橙色“Pathfinder Tool”标题及下方“Window > Pathfinder”说明，两行均计入。4.50秒首次完整清晰呈现，9.00秒为最后合格帧；此前4.25秒下方说明仍在淡入，之后9.25秒两行文字开始淡出。选择5.25秒作为关键帧，两行文字清晰、无遮挡，且与下方图标和演示形状分离。","start_frame":108,"end_frame":222,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[369.8,153.7,628.1,243.5],"positive_points":[[375.5,177.8],[435.9,180.6],[506.8,178.7],[623.9,181.5],[416.7,225.9],[494.3,232.4]],"negative_points":[[346,186],[652,212],[492,282],[246,391]],"evidence":"目标是上方居中的橙色“Pathfinder Tool”标题及其下方“Window > Pathfinder”说明。边界框紧密覆盖这两行完整文字；正点分布在两行文字的实际笔画上，负点位于文字块外的白色背景及下方不属于目标的操作图标上。"}},{"name":"Unite operation icon","description":"Leftmost Pathfinder icon, formed from two offset filled squares. Its color briefly changes during the demonstration.","membership":"Includes the combined stepped silhouette following its actual outline; excludes the label below and temporary emphasis.","id":"obj_012","temporal":{"status":"found","start_s":4.75,"end_s":9.25,"reference_s":9.0,"evidence":"目标是 Pathfinder 区域最左侧由两个错位实心方块构成的阶梯形 Unite 图标，不含下方标签。4.75 秒首次完整显现，期间变色和缩放不影响连续身份；9.00 秒为最后合格帧。此前 4.50 秒图标仍在淡入，之后 9.25 秒开始淡出。选择 9.00 秒作为关键帧，图标轮廓清晰、无遮挡且无临时强调。","start_frame":114,"end_frame":222,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[226.04,362.96,266.67,435.19],"positive_points":[[230.7,372.2],[250,371.3],[230.7,405.6],[247.4,399.1],[261.5,391.7],[256.8,426.9]],"negative_points":[[245.3,466.7],[208.3,388.9],[276,404.6],[401,372.2]],"evidence":"目标是最左侧、位于“Unite”文字上方的两个错位实心方块组成的图标。边界框紧贴其阶梯状轮廓，不包含下方标签。六个正点分布于两个方块及重叠部分；负点位于下方标签、左右外部背景和右侧另一操作图标上。"}},{"name":"Unite label","description":"Text “Unite” below the leftmost Pathfinder operation icon.","membership":"Includes only the label’s letterforms; excludes its icon and the example below.","id":"obj_013","temporal":{"status":"found","start_s":4.75,"end_s":9.25,"reference_s":5.25,"evidence":"目标是 Pathfinder Tool 页面最左侧操作图标下方的“Unite”字母，不含图标及下方示例。首个合格帧为4.75秒，4.50秒标签仍在淡入；最后合格帧为9.00秒，9.25秒开始随页面淡出。期间标签位置连续，颜色高亮变化不影响其身份。选择5.25秒作为关键帧，文字完整清晰，与图标及示例分离。","start_frame":114,"end_frame":222,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[226.04,455.56,265.63,475.93],"positive_points":[[227.34,462.96],[230.73,473.15],[239.06,467.59],[248.18,467.59],[252.6,466.67],[261.46,467.59]],"negative_points":[[245.31,398.15],[244.79,750],[215.63,466.67],[246.88,500.93]],"evidence":"目标是最左侧 Pathfinder 图标下方的“Unite”标签。边界框紧贴完整单词，正点分布在各字母笔画上；负点位于上方图标、下方示例及标签外围白色背景，排除非文字内容。"}},{"name":"Minus Front operation icon","description":"Second Pathfinder icon, with a filled rear square and an outlined foreground square.","membership":"Includes both square shapes and the area enclosed by the foreground outline; excludes the label and demonstration below.","id":"obj_014","temporal":{"status":"found","start_s":4.75,"end_s":9.25,"reference_s":5.25,"evidence":"目标是 Pathfinder 一排图标中的第二个，由后方实心方块和前方空心描边方块组成，不含下方标签及演示。首个合格帧为4.75秒，4.50秒仍在淡入；最后合格帧为9.00秒，9.25秒已开始淡出。期间高亮变色不改变图标身份。选择5.25秒作为关键帧，两个方块轮廓清楚、无遮挡，且易与相邻图标区分。","start_frame":114,"end_frame":222,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[394.27,362.96,434.9,435.19],"positive_points":[[399,372],[418,372],[400,405],[411,394],[429,405],[421,425]],"negative_points":[[411.46,466.67],[382.8,393.5],[416.1,338.9],[446.35,408.33]],"evidence":"目标是从左数第二个、位于“Minus Front”标签上方的图标。边界框紧贴后方实心方块与前方描边方块的整体外缘，包含前方方框围住的区域。正点分布于实心方块及前方方框内部；负点位于下方标签和图标外围的空白背景，不包含下方演示图形。"}},{"name":"Minus Front label","description":"Text “Minus Front” below the second Pathfinder operation icon.","membership":"Includes only the text; excludes the adjacent icon and example shapes.","id":"obj_015","temporal":{"status":"found","start_s":4.75,"end_s":9.25,"reference_s":5.25,"evidence":"目标是 Pathfinder Tool 页面第二个操作图标下方的“Minus Front”文字，不包含图标或示例形状。4.75 秒首次完成淡入，9.00 秒为最后符合条件的帧；此前 4.50 秒文字仍在淡入，之后 9.25 秒页面及文字开始淡出。选择 5.25 秒作为关键帧，文字清晰、无遮挡，易与邻近标签区分。","start_frame":114,"end_frame":222,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[369.8,455.6,457.3,476.0],"positive_points":[[371.1,466.7],[388.5,467.6],[399.0,466.7],[419.5,457.9],[434.4,466.7],[453.6,464.8]],"negative_points":[[411.5,374.1],[413.0,503.7],[354.2,466.7],[468.8,465.7]],"evidence":"目标是第二个 Pathfinder 图标下方的“Minus Front”文字。边界框紧贴整段文字，正点分布在不同字母的笔画上；负点位于上方图标及文字左、右、下方的外部背景，不包含字间空隙。"}},{"name":"Intersect operation icon","description":"Third Pathfinder icon, showing two outlined offset squares with their overlap filled.","membership":"Includes the square outlines, their enclosed areas, and the filled overlap; excludes its label.","id":"obj_016","temporal":{"status":"found","start_s":4.75,"end_s":9.25,"reference_s":7.0,"evidence":"目标是 Pathfinder 工具行中第三个图标：两个错位的描边正方形，重叠区域实心填充，不包括下方标签。首个符合条件的帧为4.75秒，4.50秒时图标仍在淡入；最后符合条件的帧为9.00秒，9.25秒开始整体淡出。期间的颜色高亮变化不改变图标身份。选择7.00秒作为关键帧，图标完整清晰、无遮挡，且易于与相邻图标区分。","start_frame":114,"end_frame":222,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[563.5,363.0,604.2,435.2],"positive_points":[[565.1,376.9],[580.7,365.7],[569.8,400.9],[582.3,398.1],[597.9,402.8],[588.5,429.6]],"negative_points":[[584.9,465.7],[543.8,393.5],[583.3,334.3],[619.8,398.1]],"evidence":"目标是第三个 Pathfinder 图标，位于“Intersect”标签上方，由两个错位方框及实心交叠区组成。边界框紧贴图标外缘，不含标签。正点分布在方框轮廓、框内区域和实心交叠处；负点位于下方标签及图标左侧、上方和右侧的外部背景。"}},{"name":"Intersect label","description":"Text “Intersect” below the third Pathfinder operation icon.","membership":"Includes only the label’s letterforms; excludes the graphic above and example below.","id":"obj_017","temporal":{"status":"found","start_s":4.75,"end_s":9.25,"reference_s":5.25,"evidence":"目标是 Pathfinder Tool 页面第三个操作图标下方的“Intersect”字样，仅包含文字。4.75 秒首次完整清晰呈现，9.00 秒为最后合格帧；此前 4.50 秒文字仍在淡入，之后 9.25 秒随页面开始淡出。选择 5.25 秒作为关键帧，标签清晰、无遮挡，且与上方图标和下方示例容易区分。","start_frame":114,"end_frame":222,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[552.1,455.6,616.1,476.9],"positive_points":[[553.1,465.7],[558.9,468.5],[569.3,462.0],[583.3,469.4],[605.2,467.6],[613.5,471.3]],"negative_points":[[583.3,398.1],[539.1,465.7],[630.2,465.7],[583.3,503.7]],"evidence":"目标是第���个 Pathfinder 图标下方的“Intersect”文字。边界框紧贴整段标签；六个正点分布在不同字母的笔画上，负点位于上方图标及文字左、右、下方的外部背景，未标记字母内部空隙。"}},{"name":"Exclude operation icon","description":"Rightmost Pathfinder icon, showing offset filled squares with a white central overlap.","membership":"Includes the stepped outer silhouette and its enclosed central opening; excludes the label below.","id":"obj_018","temporal":{"status":"found","start_s":4.75,"end_s":9.25,"reference_s":7.0,"evidence":"目标是 Pathfinder 行最右侧的 Exclude 图标：错位实心方块形成阶梯状轮廓，中央有白色重叠开口，不包括下方标签。首个合格帧为4.75秒，4.50秒仍在淡入；最后合格帧为9.00秒，9.25秒开始淡出。期间图标变色但结构连续保留。选择7.00秒作为关键帧，图标清晰、完整且无遮挡。","start_frame":114,"end_frame":222,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[732.81,364.81,771.35,433.33],"positive_points":[[739.58,375],[755.21,373.15],[738.02,401.85],[751.04,399.07],[765.63,398.15],[756.25,424.07]],"negative_points":[[750,465.74],[718.75,392.59],[783.85,404.63],[750,338.89]],"evidence":"目标是最右侧、Exclude 标签上方的错位方块图标。边界框紧贴其阶梯状外轮廓，包含中央白色开口，不含下方标签。正点分布在实色方块及按要求包含的中央开口；负点位于标签和图标上方、左右的外部背景。"}},{"name":"Exclude label","description":"Text “Exclude” below the rightmost Pathfinder operation icon.","membership":"Includes only the text; excludes the icon and demonstration graphic.","id":"obj_019","temporal":{"status":"found","start_s":4.75,"end_s":9.25,"reference_s":5.25,"evidence":"目标是 Pathfinder 操作行最右侧图标下方的“Exclude”文字，仅包含标签。4.75 秒首次完成淡入，9.00 秒为最后合格帧；此前 4.50 秒文字仍在淡入，之后 9.25 秒已开始淡出。选择 5.25 秒作为关键帧，文字清晰完整、无遮挡，且与上方图标及下方演示图形容易区分。","start_frame":114,"end_frame":222,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[725.5,454.6,782.3,475.9],"positive_points":[[728.6,457.4],[738.0,467.6],[744.3,467.6],[753.1,463.0],[772.4,463.0],[778.1,467.6]],"negative_points":[[750.0,375.0],[708.3,463.9],[751.6,507.4],[802.1,465.7]],"evidence":"目标为最右侧 Pathfinder 图标下方的“Exclude”文字。边界框紧贴完整文字，不包含上方图标；六个正点分布在不同字母的笔画上，四个负点位于上方图标及文字左、右、下方的外部背景。"}},{"name":"Unite input shapes","description":"Orange-red circle overlapping a yellow square, first introduced below the Unite operation and aligned into a round-topped arrangement.","membership":"Includes the two filled shapes as one compact construction example, following their combined visible outline; excludes operation text, icons, and transition effects.","id":"obj_020","temporal":{"status":"found","start_s":4.75,"end_s":8.5,"reference_s":5.25,"evidence":"目标是 Unite 下方首次出现的橙红圆与黄色方块，随后重叠成圆顶组合，并持续向右移动。4.75 秒两形状已完整可见，前一帧 4.50 秒尚未出现；最后合格帧为 8.25 秒，8.50 秒组合离场时已被右边界裁切。选择 5.25 秒作为关键帧，此时组合轮廓清楚、无遮挡，且与 Unite 对应关系明确。","start_frame":114,"end_frame":204,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[205.7,638.9,285.4,851.9],"positive_points":[[229.2,680.6],[248.4,659.3],[269.8,690.7],[219.8,748.1],[267.2,763.9],[243.8,830.6]],"negative_points":[[190.1,740.7],[302.1,750],[245.3,601.9],[247.4,887]],"evidence":"目标位于 Unite 图标和文字下方，是橙红色圆形与黄色方形重叠形成的圆顶构造。边界框紧贴两种填充形状的联合可见轮廓；六个正点分布在红色圆顶和黄色方形内部，四个负点位于构造四周的外部白色背景，不包含上方文字或图标。"}},{"name":"Unite result","description":"Solid dark teal round-topped shape left beneath Unite after the circle and square are combined.","membership":"Includes the complete arch-shaped region with its flat bottom and curved top; excludes the next colored input example.","id":"obj_021","temporal":{"status":"found","start_s":5.75,"end_s":9.25,"reference_s":9.0,"evidence":"目标是 Unite 下方最左侧的实心深青色拱形，顶部圆弧、底部平直，不包括旁边的彩色输入示例。首个合格帧为 5.75 秒，形状已完整出现；前一帧 5.50 秒仅有橙黄输入图形。最后合格帧为 9.00 秒，下一帧 9.25 秒已开始淡出。选择 9.00 秒作为关键帧，目标清晰完整，与其他运算结果分隔明确。","start_frame":138,"end_frame":222,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[212.0,638.9,291.1,849.1],"positive_points":[[250.0,654.6],[226.6,690.7],[278.6,705.6],[224.0,814.8],[277.1,825.9],[250.5,760.2]],"negative_points":[[192.7,731.5],[314.1,775.9],[250.0,888.9],[415.6,680.6]],"evidence":"目标是左下方 Unite 标签下的深青色实心拱形。边界框紧贴完整的弧形顶部、两侧直边和平底；六个正点分布于顶部及主体内部，负点位于左右和下方外部白色背景，以及右侧独立的半圆示例上。"}},{"name":"Minus Front input shapes","description":"A new orange-red circle and yellow square appear to the right of the Unite result and move beneath Minus Front.","membership":"Includes this overlapping circle-and-square construction only, following its visible outer outline; excludes the retained Unite result and operation labels.","id":"obj_022","temporal":{"status":"found","start_s":5.75,"end_s":8.5,"reference_s":6.25,"evidence":"目标是 Unite 深青色结果右侧新出现的橙红圆与黄色方块组合，不含结果或标签。首个合格帧为5.75秒，组合已完整形成，左侧被 Unite 结果部分遮挡；5.50秒尚未出现这一新组合。随后同一组合连续向右移动，最后合格帧为8.25秒；8.50秒离场时首次被右边界裁切。选择6.25秒为关键帧，此时组合位于 Minus Front 下方，与左侧结果分离，轮廓清楚。","start_frame":138,"end_frame":204,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[371,639,451.6,850],"positive_points":[[408,661],[382,693],[438,691],[386,748],[437,778],[408,832]],"negative_points":[[251,756],[410,467],[478,776],[410,596]],"evidence":"目标位于“Minus Front”下方、深青色 Unite 结果右侧，是橙红色圆与黄色方形重叠形成的构造。边界框紧贴其可见半圆顶部、两侧及方形底边；正点分布于橙红色和黄色实体区域，负点位于左侧 Unite 结果、操作标签及目标外部白色背景。"}},{"name":"Minus Front result","description":"Dark teal upper semicircle retained beneath Minus Front after the square-covered portion is removed.","membership":"Includes the semicircular region bounded by its curved top and straight lower edge; excludes the empty region below.","id":"obj_023","temporal":{"status":"found","start_s":6.5,"end_s":9.25,"reference_s":9.0,"evidence":"目标是 Minus Front 下方弧顶、平直底边的深青色上半圆，不包含下方空白。6.50 秒其结构已完整可见，随后与橙黄色示例分离，持续至 9.00 秒。前一帧 6.25 秒仍是橙色顶部的原始示例，尚无青色结果；后一帧 9.25 秒目标随页面开始淡出。选择 9.00 秒，半圆清晰独立且无遮挡，便于标注。","start_frame":156,"end_frame":222,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[377.6,638.9,456.8,709.3],"positive_points":[[416.7,651.9],[400,667.6],[435.4,668.5],[386.5,694.4],[414.1,695.4],[447.9,694.4]],"negative_points":[[416.7,754.6],[359.4,680.6],[474,680.6],[583.3,740.7]],"evidence":"目标是“Minus Front”下方的深青色上半圆。边界框紧贴其顶部弧线、左右端点和水平底边；六个正点分布在半圆内部，负点位于下方及两侧外部白色背景，并有一点落在右侧另一操作的结果图形上。"}},{"name":"Intersect input shapes","description":"Orange-red circle overlapping a yellow square introduced to the right of the Minus Front result, beneath Intersect.","membership":"Includes this compact pair of filled shapes; excludes the neighboring completed results and the operation icon.","id":"obj_024","temporal":{"status":"found","start_s":5.0,"end_s":8.5,"reference_s":7.0,"evidence":"目标为橙红圆与黄色方块组成的输入形状对，可连续追踪其向右移动至 Minus Front 结果右侧、Intersect 下方。5.00 秒首次完整清晰呈现；4.75 秒仍在淡入。最后合格帧为 8.25 秒，8.50 秒该形状对向右离场并被画面边界裁切。选择 7.00 秒作关键帧，此时形状对完整无遮挡，且与邻近深蓝色运算结果易于区分。","start_frame":120,"end_frame":204,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[531.3,639.8,611.5,850.0],"positive_points":[[565,661],[547,691],[593,688],[545,742],[599,765],[571,829]],"negative_points":[[418,679],[252,756],[585,399],[647,761]],"evidence":"目标位于 Intersect 下方、Minus Front 结果右侧，为橙红色圆形与黄色方形重叠的紧凑图形。边界框覆盖两形状的全部可见区域；正点分布于橙红色上部和黄色下部，负点位于左侧两个结果、上方操作图标及右侧空白背景。"}},{"name":"Intersect result","description":"Dark teal lower semicircle beneath Intersect, with a horizontal top edge and curved bottom.","membership":"Includes the complete lower semicircular region; excludes surrounding whitespace and neighboring examples.","id":"obj_025","temporal":{"status":"found","start_s":7.5,"end_s":9.25,"reference_s":9.0,"evidence":"目标是 Intersect 下方的深青色下半圆，顶边水平、底边弯曲。7.5 秒首次完整呈现，9.0 秒为最后合格帧；此前 7.25 秒该区域仍��在橙黄示例上，处于淡入显现阶段，之后 9.25 秒随整页开始淡出。选择 9.0 秒作为关键帧，此时目标清晰独立，与相邻示例无重叠。","start_frame":180,"end_frame":222,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[543.2,708.3,622.4,779.6],"positive_points":[[552.1,719.4],[567.7,722.2],[612.0,719.4],[562.0,746.3],[597.4,749.1],[581.8,766.7]],"negative_points":[[582.3,683.3],[582.3,802.8],[526.0,741.7],[641.1,742.6]],"evidence":"目标是“Intersect”下方的深青色下半圆，上缘水平、下缘呈圆弧。边界框紧贴完整半圆；六个正点分布于其填充区域，四个负点位于其上、下、左、右的外围空白处。"}},{"name":"Exclude input shapes","description":"Orange-red circle and yellow square move into the rightmost example position beneath Exclude.","membership":"Includes this overlapping construction pair while presented for Exclude; excludes the three retained teal results.","id":"obj_026","temporal":{"status":"found","start_s":7.5,"end_s":8.5,"reference_s":8.0,"evidence":"目标是 Exclude 示例的橙红色圆与黄色方块重叠组合，不含保留的青色结果。7.50 秒组合已与 Intersect 结果分离，完整移向最右侧 Exclude 位置；此前 7.25 秒仍在演示 Intersect。最后合格帧为 8.25 秒，组合完整地向右移出，8.50 秒首次被画面右边界截断。选择 8.00 秒作为关键帧，此时组合位于 Exclude 下方，轮廓完整且无遮挡。","start_frame":180,"end_frame":204,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[706.8,639,787.5,850.9],"positive_points":[[746,659],[719,693],[773,694],[720,741],[773,772],[744,829]],"negative_points":[[251,755],[417,679],[584,740],[831,770]],"evidence":"目标位于右侧 Exclude 下方，是橙红色圆与黄色正方形的重叠组合。边界框紧贴两形状的整体可见范围；正点分布在上部橙红色区域和下部黄色区域，负点位于左侧三个青色结果及目标右侧的白色背景。"}},{"name":"Exclude result","description":"Dark teal rightmost result with an upper semicircle and a lower square-derived section separated by a white semicircular cutout.","membership":"Includes the upper semicircular component and the lower component following its concave cut edge; excludes the white removed overlap and surrounding whitespace.","id":"obj_027","temporal":{"status":"found","start_s":8.25,"end_s":9.25,"reference_s":9.0,"evidence":"目标是 Pathfinder 示例最右侧的深青色 Exclude 结果，由上半圆和带凹弧边的下方组件构成，中间为白色半圆缺口。首个完整呈现帧为 8.25 秒，最后符合条件的帧为 9.0 秒；此前 8.0 秒仍是橙黄原始重叠图形，此后 9.25 秒目标开始淡出。选择 9.0 秒作为关键帧，此时原始图形已移出，目标清晰且无遮挡。","start_frame":198,"end_frame":222,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[708.9,638.9,787.5,849.1],"positive_points":[[729.2,680.6],[748.4,655.6],[770.8,688.0],[717.2,787.0],[746.9,816.7],[780.2,782.4]],"negative_points":[[687.5,722.2],[807.3,731.5],[747.4,893.5],[583.3,738.0]],"evidence":"目标是“Exclude”下方最右侧的深青色结果。边界框紧包上方半圆和下方带凹弧切口的组件；六个正点分布在这两个实色组件上。负点位于目标左、右、下方的外部留白及左侧另一结果上，未标记白色切除区域。"}},{"name":"Shape Builder Tool icon","description":"Orange tool emblem above the Shape Builder title, consisting of overlapping outlined circles, small dots, and a large arrow pointer.","membership":"Includes the circle boundaries and enclosed areas, the dots, and the illustrated arrow; excludes the title and ordinary recording cursors.","id":"obj_028","temporal":{"status":"found","start_s":10.25,"end_s":25.0,"reference_s":11.0,"evidence":"目标是“Shape Builder Tool”标题上方由橙色重叠圆轮廓、小点和大箭头组成的独立徽标，不包含标题或录屏光标。10.00秒仍处于初始淡入，10.25秒结构完整清晰，为首个合格帧；此后持续出现，最后合格帧为24.75秒，区间延续至25.00秒视频结束，之后无采样帧。选择11.00秒作为关键帧，徽标清晰、无遮挡，易与下方标题区分。","start_frame":246,"end_frame":600,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[468.8,87.0,541.7,180.6],"positive_points":[[477.1,122.2],[484.4,142.6],[493.2,126.9],[506.3,105.6],[508.3,158.3],[526.0,146.3]],"negative_points":[[452.1,129.6],[555.7,138.9],[500.5,63.0],[498.4,230.6]],"evidence":"目标是标题上方由橙色重叠圆环、小圆点和箭头组成的工具图标。边界框紧贴完整图标；正点分布于圆内区域及箭头，负点位于图标外围白色背景和下方标题上。"}},{"name":"Shape Builder Tool heading","description":"Centered orange “Shape Builder Tool” title with the shortcut “Shift + M” beneath it.","membership":"Includes the title and shortcut text only; excludes the tool emblem above and the demonstration instructions below.","id":"obj_029","temporal":{"status":"found","start_s":10.5,"end_s":25.0,"reference_s":11.0,"evidence":"目标为居中的橙色“Shape Builder Tool”标题及下方“Shift + M”，不含上方徽标和下方操作说明。10.25秒快捷键文字仍处于淡入阶段，10.5秒两行文字均完整清晰，首次符合条件；最后符合条件的帧为24.75秒，持续至视频结束25.0秒，之后无采样帧。选择11.0秒作为关键帧，目标清晰完整且无遮挡。","start_frame":252,"end_frame":600,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[349.5,209.3,660.5,297.5],"positive_points":[[357.8,222.2],[378.1,236.1],[467.7,232.4],[656.3,232.4],[469.8,281.5],[520.8,283.3]],"negative_points":[[522,147],[321,384],[630,384],[700,260]],"evidence":"目标为居中的橙色“Shape Builder Tool”标题及其下方“Shift + M”快捷键，边界框覆盖这两行完整文字。六个正点分布在标题和快捷键的字形笔画上；负点位于上方工具徽标、下方两组演示说明和右侧外部空白处。"}},{"name":"Click + Drag instruction","description":"Left-side instruction “Click + Drag” above the merging demonstration.","membership":"Includes only this text line; excludes the construction graphic below.","id":"obj_030","temporal":{"status":"found","start_s":10.75,"end_s":25.0,"reference_s":11.0,"evidence":"目标是“Shape Builder Tool”页面左侧、合并演示上方的独立文字行“Click + Drag”，不含下方图形。10.50秒文字仍在淡入，10.75秒已完整清晰显示；此后持续存在，最后合格帧为24.75秒，区间延续至视频结束25.00秒，之后无采样帧。选择11.00秒作为关键帧，文字清晰、无遮挡，且下方尚无演示图形干扰。","start_frame":258,"end_frame":600,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[290.6,372.2,377.6,398.1],"positive_points":[[291.7,382.4],[302.6,380.6],[318.8,384.3],[333.3,384.3],[343.8,383.3],[375.5,386.1]],"negative_points":[[278.1,383.3],[390.6,383.3],[333.3,350.9],[333.3,422.2]],"evidence":"目标是画面左侧的“Click + Drag”说明文字。边界框紧贴整行文字，包含末尾 g 的下伸部分；六个正点分布在字母及加号笔画上，四个负点位于文字四周的外部白色背景，不包含其他说明或图形。"}},{"name":"Alt/Opt + Click + Drag instruction","description":"Right-side instruction “Alt/Opt + Click + Drag” above the subtraction demonstration.","membership":"Includes only this text line; excludes the construction graphic below.","id":"obj_031","temporal":{"status":"found","start_s":10.75,"end_s":25.0,"reference_s":11.0,"evidence":"目标是 Shape Builder Tool 标题下方右侧的“Alt/Opt + Click + Drag”独立文字行，不含下方图形。10.50秒该文字仍在淡入，10.75秒已完整清晰呈现；此后持续存在，最后符合帧为24.75秒。区间延伸至视频结尾25.0秒，无后续采样帧。选择11.0秒作为关键帧，文字清晰且无遮挡，下方尚无演示图形，便于单独标注。","start_frame":258,"end_frame":600,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[587.5,371.3,743.8,398.1],"positive_points":[[590.6,384.3],[648.4,384.3],[658.3,383.3],[699.5,384.3],[710.4,383.3],[740.6,388.9]],"negative_points":[[665.0,347.0],[665.0,426.0],[571.0,384.0],[762.0,384.0]],"evidence":"目标是图像右侧的“Alt/Opt + Click + Drag”说明文字。边界框紧贴整行文字，不包含下方区域；六个正点分布在字母及加号笔画上，四个负点位于文字上、下、左、右的外部白色背景。"}},{"name":"Left Shape Builder construction","description":"Left demonstration graphic made from a small orange-red upper circle overlapping a larger yellow lower circle. The demonstration joins regions and recolors the construction into a single orange-red round-lobed shape, then restores the starting arrangement.","membership":"Includes the filled construction regions and their actual outer boundaries throughout the edits, including the overlap when retained. Excludes selection boxes, anchor markers, hover hatching, and recording cursors.","id":"obj_032","temporal":{"status":"found","start_s":12.75,"end_s":25.0,"reference_s":14.0,"evidence":"目标是“Click + Drag”下方左侧的小橙红圆与大黄色圆重叠构成的演示图形；后续合并为橙红色双圆瓣形并恢复，属于同一构形的连续编辑。首个合格帧为12.75秒，前一帧12.50秒该图形尚未出现；末个合格帧为24.75秒，持续至视频结束25.0秒，边界外无后续帧。选择14.0秒作为关键帧，两圆填色和外轮廓清楚，无悬停网纹或选择框遮挡。","start_frame":306,"end_frame":600,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[270,501,398.4,804.6],"positive_points":[[322.9,537],[351.6,574.1],[330.7,614.8],[294.8,668.5],[370.3,695.4],[330.2,764.8]],"negative_points":[[666.7,694.4],[255.2,574.1],[416.7,722.2],[333.3,453.7]],"evidence":"目标是左侧小橙��圆与大黄色圆重叠的演示构图。边界框紧贴两圆可见填充及外轮廓，不包含选择锚点或光标。六个正点分布于上圆、重叠区域和下圆；负点位于右侧另一构图及目标左、右、上方的外部背景。"}},{"name":"Right Shape Builder construction","description":"Right demonstration graphic initially matching the left circle pair. Subtraction removes the upper region, the overlapping lens, or the larger lower region in successive demonstrations before restoring the pair.","membership":"Includes only the currently retained filled regions of this right-hand construction, following all curved edges and cutouts. Removed white areas, selection boxes, anchor markers, hover hatching, and recording cursors are excluded.","id":"obj_033","temporal":{"status":"found","start_s":12.75,"end_s":25.0,"reference_s":17.0,"evidence":"目标是“Alt/Opt + Click + Drag”下方的右侧圆形构造，随演示保留不同填色区域，并多次恢复圆对；白色删除区域及选择辅助标记不属于目标。12.75秒首次完整出现，前一帧12.50秒尚无该构造。此后持续存在至最后一帧24.75秒，视频于25.0秒结束，无后续帧。选择17.0秒作为关键帧，因为右侧橙色上圆、黄色下圆及中间白色透镜状缺口清晰，且没有选择框遮扰。","start_frame":306,"end_frame":600,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[603.1,501.9,731.3,804.6],"positive_points":[[650.5,537.0],[683.3,552.8],[623.4,666.7],[708.3,679.6],[645.8,754.6],[686.5,742.6]],"negative_points":[[582.3,629.6],[755.2,722.2],[665.6,453.7],[334.4,694.4]],"evidence":"目标是右侧“Alt/Opt + Click + Drag”下方的构造图，包含上部橙红色保留区域和下部黄色保留区域。边界框紧贴两部分的整体外缘；六个正点分布于两种填色区域，避开白色透镜状切除区及锚点。负点位于图形外围白色背景和左侧独立示例中。"}}]}
+{"video_id":265,"video_type":"icons and abstract motion graphics","targets":[{"name":"Apple message notification","description":"A floating translucent notification with a green Messages icon, sender “Apple,” timestamp “11m ago,” and progressively revealed message “Have just announced.”","membership":"Include the entire rounded notification surface, its boundary, icon, sender, timestamp, and message. Exclude the surrounding background and cast shadow.","id":"obj_001","temporal":{"status":"found","start_s":0.5,"end_s":2.25,"reference_s":1.5,"evidence":"通过绿色 Messages 图标、发送者“Apple”、时间“11m ago”和逐步出现的“Have just announced”识别目标。首个合格帧为0.50秒，圆角通知表面及边界已完整建立，内部文字继续显现不影响容器起点；前一帧0.25秒只有背景。最后合格帧为2.00秒，通知虽旋转且有运动模糊，仍完整可见；后一帧2.25秒已被地图界面替代。选择1.50秒作为关键帧，通知轮廓清晰、文字完整且无遮挡。","start_frame":12,"end_frame":54,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[114.6,362.0,835.4,633.3],"positive_points":[[190,495],[297,468],[408,524],[770,452],[677,562],[270,586]],"negative_points":[[80,460],[500,260],[895,505],[450,775]],"evidence":"通过绿色 Messages 图标、发送者“Apple”、时间“11m ago”和消息“Have just announced”识别通知。边界框紧贴完整圆角半透明通知表面，包含边界及所有内部内容，不含投影。正点分布在图标、文字和通知表面，负点位于通知外部的背景。"}},{"name":"Street map panel","description":"A rounded map board with gray streets, green blocks, and labels including “BARNWALL ST” and “EXCELSIOR DR,” presented behind the map controls before the view approaches a navigation marker.","membership":"Include the map board’s surface, rounded boundary, roads, blocks, labels, and overlaid map controls and navigation graphics. Exclude the surrounding background.","id":"obj_002","temporal":{"status":"found","start_s":2.25,"end_s":6.5,"reference_s":3.75,"evidence":"目标是灰色街道、绿色街区及 BARNWALL ST、EXCELSIOR DR 等标签组成的圆角地图板，包含其上方控件和导航标记。2.25 秒地图表面与圆角边界已建立，上缘为画面构图裁切；随后控件展开、视角推进均属同一地图的连续展示，最后合格帧为 6.25 秒。前一帧 2.00 秒仍是通知卡片，后一帧 6.50 秒已切换为灰色背景上的另一界面。选择 3.75 秒作为关键帧，地图边界、街区及覆盖控件较清晰，便于整体标注。","start_frame":54,"end_frame":156,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[135.4,0,864.6,861.1],"positive_points":[[259,103],[677,91],[422,200],[571,439],[298,737],[722,834]],"negative_points":[[78,463],[917,500],[500,935],[849,102]],"evidence":"目标是画面中央带圆角的街道地图板，可见灰色道路、绿色街区及“EXCELSIOR DR”标签。边界框覆盖顶部被画面截断的地图、圆角外缘以及叠加的搜索栏、快捷按钮和最近记录面板。正点分布在地图表面与这些控件上；负点位于地图板四周的灰紫色背景。"}},{"name":"Expandable map search drawer","description":"A translucent drawer over the map, initially showing the search text “Their brand new,” a microphone, and a circular profile photograph. It expands to reveal “UI Style,” Home, Work, Transit, Add, and a “Recents” row reading “Liquid Glass.”","membership":"Include the complete drawer surface and boundary, drag handle, search field, profile image, shortcut icons and labels, and recent-item row. Exclude the map outside the drawer and its cast shadow.","id":"obj_003","temporal":{"status":"found","start_s":2.25,"end_s":4.75,"reference_s":3.75,"evidence":"目标是地图上的半透明搜索抽屉，含拖动柄、搜索框、麦克风和圆形头像，随后展开显示 UI Style、快捷入口及 Liquid Glass 最近项目。2.25 秒抽屉表面与边界已完整建立，内部文字和展开动画不影响其连续身份；此前 2.00 秒仍是消息通知。最后合格帧为 4.50 秒，4.75 秒抽屉下部开始被画面边缘裁切。选择 3.75 秒作为关键帧，此时展开后的完整边界和各项内容清晰可见。","start_frame":54,"end_frame":114,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[149,142,852,814],"positive_points":[[442,197],[713,197],[276,435],[194,681],[779,653],[494,746]],"negative_points":[[498,84],[119,506],[891,584],[592,839]],"evidence":"根据搜索栏“Their brand new”、头像、UI Style 快捷入口和“Liquid Glass”最近项目，确定该半透明地图抽屉。框覆盖抽屉完整表面、圆角边界及内部控件，不含外部地图和投影。正点分布在搜索栏、头像、Home 图标、抽屉左右表面及最近项目行；负点位于抽屉上方和下方的地图以及左右外部背景。"}},{"name":"Blue navigation marker","description":"A blue circular position marker with a white directional arrow and a thick transparent outer rim, shown prominently as the map view moves closer.","membership":"Include the marker’s outer rim and all enclosed blue and white content. Exclude the trailing blue route line, street labels, and surrounding map.","id":"obj_004","temporal":{"status":"found","start_s":5.0,"end_s":6.5,"reference_s":6.0,"evidence":"目标是地图上的蓝色圆形导航标记，包含白色方向箭头及透明厚外环，不含后方蓝色路线。5.00秒首次可见完整标记，随后随地图推近而放大；6.25秒仍完整可见，虽有旋转和运动模糊。前一帧4.75秒未见标记，后一帧6.50秒已切换为其他界面，标记消失。选择6.00秒作为关键帧，箭头、蓝色圆面和透明外环均清晰且无遮挡。","start_frame":120,"end_frame":156,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[433.3,336.1,571.9,580.6],"positive_points":[[501,348],[442.7,454.6],[562.5,458.3],[502.6,564.8],[475.5,439.8],[504.7,453.7]],"negative_points":[[500,680.6],[459.4,263.9],[613.5,465.7],[421.9,645.4]],"evidence":"图像中央可见带白色方向箭头的蓝色圆形导航标记。边框紧贴其透明外缘，包含全部蓝白内部内容，不包含下方延伸的蓝色路线。六个正点分布在外圈、蓝色圆面及白色箭头上；四个负点位于下方路线、上方街道文字及外围地图背景。"}},{"name":"Music navigation sidebar","description":"A tall rounded translucent navigation panel showing “Edit,” “Search,” a pink selected home row revealing “And in this video,” “New,” “Radio,” and “Library,” with “Playlists” partly visible below.","membership":"Include the panel surface, rounded boundary, all visible navigation text and icons, and the selected-row backing. Exclude the background and external shadow.","id":"obj_005","temporal":{"status":"found","start_s":7.0,"end_s":8.0,"reference_s":7.75,"evidence":"目标是带 Edit、Search、粉色选中主页行、New、Radio、Library 及下方部分 Playlists 的圆角半透明音乐导航侧栏。首个合格帧为 7.00 秒，面板结构已建立，随后选中行文字继续变化不影响容器身份；最后合格帧为 7.75 秒。此前 6.75 秒仍在展开揭示，顶部 Edit 被截断；此后 8.00 秒侧栏开始收缩并被遮罩移除，选中行脱离。选择 7.75 秒作为关键帧，因为面板轮廓和导航内容清晰，选中行文字完整。","start_frame":168,"end_frame":192,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[317.2,189,682.8,1000],"positive_points":[[534,274],[449,374],[551,499],[431,619],[570,743],[464,986]],"negative_points":[[280,500],[715,450],[500,140],[730,930]],"evidence":"目标是中央显示 Edit、Search、粉色选中行、New、Radio 和 Library 的圆角导航侧栏。边界框覆盖面板表面、圆角边界及所有可见内容，下缘到图像底部，包含部分 Playlists。正点分布于面板上中下部、文字及选中行；负点位于面板外的上方和左右背景，不包含外部阴影。"}},{"name":"Horizontal text navigation strip","description":"A long pale capsule containing a small window icon and text tabs “I’ll,” “Show,” “You,” “Library,” “Playlists,” and “New.” Pink selection spreads across the first three text tabs.","membership":"Include the strip’s complete capsule surface and boundary, its icon, text, and ordinary selected-tab backing. Exclude the separately demonstrated refractive lens extending over it.","id":"obj_006","temporal":{"status":"found","start_s":8.25,"end_s":9.5,"reference_s":9.0,"evidence":"目标是浅色长胶囊文字导航条，含窗口图标及“I’ll、Show、You、Library、Playlists、New”等标签，前三项逐渐呈粉色；不包含覆盖其上的独立折射透镜。8.25秒胶囊表面和边界已建立，后续长条右侧延伸出画面属于该布局的裁切展示，持续至9.25秒。前一帧8.00秒仍是侧栏向横向布局转换，后一帧9.50秒已替换为“How、To、Create”图标导航。选择9.00秒，文字与普通选中背景清晰，独立透镜遮挡较少。","start_frame":198,"end_frame":228,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[306.3,437,1000,562],"positive_points":[[350,500],[423,498],[514,484],[676,530],[838,499],[960,528]],"negative_points":[[260,500],[490,398],[695,612],[917,410]],"evidence":"目标是包含窗口图标及“I’ll、Show、You、Library、Playlists、New”的浅色横向胶囊导航条。边界框覆盖完整可见表面、文字、图标和前三项的选中底板，右端止于图像边缘。正点分布于导航条各段，负点位于其左侧、上方及下方的外部灰色背景；未纳入独立折射透镜。"}},{"name":"Refractive lens over text tabs","description":"A transparent rounded capsule that enlarges and distorts the horizontal navigation text as it stretches and moves over “I’ll,” “Show,” and “You.”","membership":"Include the lens’s true outer boundary and the full area it encloses, including the refracted appearance of the tabs inside it. Exclude the unmodified strip outside the lens and its cast shadow.","id":"obj_007","temporal":{"status":"found","start_s":8.25,"end_s":9.5,"reference_s":8.25,"evidence":"目标是横向文字导航条上透明的圆角胶囊透镜，内部的“I’ll”“Show”“You”随其移动而放大、折射。首个符合帧为8.25秒，最后为9.25秒；前一帧8.00秒仍是侧栏“And in this video”的过渡效果，后一帧9.50秒已切换为“How／To／Create”图标导航。选择8.25秒作关键帧，因为透镜完整外轮廓清楚，且与外侧未变形的导航条容易区分。","start_frame":198,"end_frame":228,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[325.5,379.6,674.5,617.6],"positive_points":[[340,495],[404,410],[464,498],[565,540],[640,494],[598,598]],"negative_points":[[755,500],[909,530],[500,664],[285,450]],"evidence":"目标是导航条前方带明亮轮廓的透明圆角胶囊，内部文字明显放大、折射。边界框紧贴透镜真实外缘，包含全部内部区域，不含下方投影。正点分布在透镜左右端、上下区域及折射文字上；负点位于右侧未变形导航条、下方投影和左侧背景。"}},{"name":"Three-item icon navigation bar","description":"A compact pale navigation capsule with house, four-square, and radio-wave icons labeled “How,” “To,” and “Create.” The Create item becomes pink.","membership":"Include the complete shared capsule surface, boundary, three icons, labels, and ordinary selection backing. Exclude the detached circular search button and the refractive lens extending beyond the capsule.","id":"obj_008","temporal":{"status":"found","start_s":9.5,"end_s":10.75,"reference_s":10.25,"evidence":"目标为包含房屋、四方格和广播波纹图标及“How / To / Create”标签的浅色共享胶囊，排除独立搜索圆钮和外伸折射透镜。9.50秒首次完整呈现，虽仍在变形但结构及三项内容均已建立；10.50秒仍完整可见，为最后合格帧。前一帧9.25秒仍是文字导航条，后一帧10.75秒已切换为蓝色背景搜索工具栏。选择10.25秒作关键帧，三项图标和标签清楚，Create呈粉色，胶囊与搜索按钮易于区分。","start_frame":228,"end_frame":258,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[254.7,403.7,609,596.3],"positive_points":[[282,519],[321,477],[385,444],[431,546],[542,475],[566,548]],"negative_points":[[676,499],[552,616],[386,324],[221,497]],"evidence":"通过房屋、四宫格、粉色无线电波图标及“How / To / Create”标签识别导航栏。框覆盖三项共用的浅色胶囊表面及其边界，不含右侧独立搜索按钮或超出胶囊的折射透镜。正点分布于胶囊表面、图标和标签；负点位于搜索按钮、下方透镜外延及外围背景。"}},{"name":"Detached circular search button","description":"A pale round button with a black magnifying glass, positioned immediately to the right of the How–To–Create navigation bar.","membership":"Include the circular button surface, its boundary, and the magnifying-glass symbol. Exclude the adjacent navigation capsule and surrounding background.","id":"obj_009","temporal":{"status":"found","start_s":9.75,"end_s":10.75,"reference_s":10.0,"evidence":"目标是 How–To–Create 导航胶囊右侧独立的浅色圆形按钮，内有黑色放大镜。首个完整呈现帧为9.75秒，最后合格帧为10.50秒，运动不影响其完整性。此前9.50秒右侧圆形仍与导航栏相连，放大镜尚未显现；此后10.75秒已切换为蓝色背景上的另一组搜索控件。选择10.00秒作为关键帧，按钮边界及放大镜清晰，与相邻导航栏容易区分。","start_frame":234,"end_frame":258,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[629.7,404.6,738,595.4],"positive_points":[[651,463.9],[692.7,435.2],[718.8,498.1],[687.5,563],[649.5,532.4],[671.9,481.5]],"negative_points":[[572.9,500],[765.6,500],[684.9,361.1],[687.5,638.9]],"evidence":"目标是导航胶囊右侧独立的浅色圆形搜索按钮，中央有黑色放大镜。边界框紧贴整个圆形按钮；正点分布在按钮表面及放大镜上，负点位于左侧导航胶囊和按钮外的上、右、下方背景。"}},{"name":"Refractive lens over icon navigation","description":"A large transparent rounded lens moving across the How–To–Create bar and settling over the pink radio-wave icon and “Create” label.","membership":"Include the lens’s outer outline and enclosed area, including the distorted navigation content visible within it. Exclude unaffected portions of the bar, the detached search button outside its outline, and cast shadows.","id":"obj_010","temporal":{"status":"found","start_s":9.5,"end_s":10.75,"reference_s":10.25,"evidence":"目标是覆盖 How–To–Create 图标导航的透明圆角折射透镜，包含边缘及内部变形内容。9.50 秒首次完整呈现在该图标导航上，随后移向 Create；10.50 秒仍完整可见。前一帧 9.25 秒显示的是文字标签导航上的透镜过渡，尚未出现指定图标导航；后一帧 10.75 秒已切换为蓝色背景搜索栏。选择 10.25 秒，透镜清楚包围粉色电波图标与 Create 标签，外轮廓清晰，便于排除右侧独立搜索按钮和阴影。","start_frame":228,"end_frame":258,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[444,368.5,634,630],"positive_points":[[484,440],[542,474],[542,551],[613,491],[543,609],[517,383]],"negative_points":[[322,477],[430,481],[675,501],[557,668]],"evidence":"目标是覆盖粉色广播图标及“Create”文字的透明圆角透镜。边界框紧贴透镜外轮廓，包含内部折射的导航内容，不含投影。正点分布在透镜上下透明区域、内部表面及图文上；负点位于未受影响的“How”“To”、右侧搜索按钮和下方投影区域。"}},{"name":"Liquid Glass Animations search toolbar","description":"A floating translucent toolbar on a blue-and-cream background. Its search field progressively reads “Liquid Glass Animations,” followed by four round buttons with an A-shaped symbol, folder, stacked layers, and overlapping documents.","membership":"Include the rounded search field with its text and magnifying glass, and the four associated circular button surfaces and their symbols. Follow each component’s outline; exclude the gaps between components and the background.","id":"obj_011","temporal":{"status":"found","start_s":10.75,"end_s":12.0,"reference_s":11.25,"evidence":"目标是蓝白背景上的半透明搜索框及其右侧四个圆形按钮，图标依次为 A 形、文件夹、叠层和重叠文档。10.75 秒各组件的表面和轮廓已完整出现，后续搜索文字更新不影响工具栏成立；11.75 秒为最后完整帧。此前 10.50 秒仍是另一组导航控件，之后 12.00 秒最右侧文档按钮已移出画面。选择 11.25 秒作关键帧，因为搜索框及四个按钮均完整、清晰且无遮挡。","start_frame":258,"end_frame":288,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[200,451,821.4,550],"positive_points":[[239,497],[492,513],[599,502],[662,497],[727,503],[794,500]],"negative_points":[[170,500],[850,500],[500,410],[670,600]],"evidence":"目标是画面中央的半透明悬浮工具栏，搜索框当前显示“Liquid Glass”，右侧依次为 A 形、文件夹、叠层和重叠文档按钮。边界框紧贴搜索框及四个圆形按钮的整体可见范围；六个正点分布于搜索框表面及四个按钮内，四个负点位于工具栏外围背景，不将组件间隙纳入目标。"}},{"name":"Demonstrated application dock","description":"An enlarged translucent dock graphic displaying colorful application icons, including Messages, Maps, Mail, After Effects, Photos, FaceTime, and Calendar. Icons enlarge during the hover demonstration.","membership":"Include the dock surface, visible boundary, and all application icons and indicators within it. Exclude the ordinary mouse cursor, floating hover labels above the dock, and desktop background.","id":"obj_012","temporal":{"status":"found","start_s":13.0,"end_s":14.25,"reference_s":13.5,"evidence":"目标是包含信息、地图、邮件、After Effects、照片、FaceTime及日历等图标的半透明放大 Dock，不含鼠标和上方悬浮标签。首个合格帧为13.00秒，Dock表面及图标列已建立，横向裁切属于放大展示；12.75秒仍处于从右侧进入、被画面边界截断的阶段。最后合格帧为14.00秒，14.25秒已切换为时钟和小组件画面。选择13.50秒作为关键帧，Dock边界与主要图标清晰，便于标注。","start_frame":312,"end_frame":342,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[0,392.6,1000,722.2],"positive_points":[[111,563],[243,507],[383,541],[549,501],[649,536],[911,686]],"negative_points":[[514,557],[516,289],[229,237],[686,838]],"evidence":"目标是横跨画面的半透明应用程序 Dock；边框覆盖完整可见底板、边界及所有图标，包括顶部略突出底板的 After Effects 图标。正点分布在多个应用图标与右侧底板上；负点位于明确排除的鼠标光标、上方悬浮标签及上下桌面背景。"}},{"name":"Enlarging After Effects icon","description":"The dark purple rounded-square “Ae” icon in the demonstrated dock, positioned between Mail and Photos and enlarged under the pointer.","membership":"Include the complete rounded-square icon surface and its “Ae” lettering. Exclude neighboring icons, the dock surface outside its outline, the pointer, and the floating application-name label.","id":"obj_013","temporal":{"status":"found","start_s":13.0,"end_s":14.25,"reference_s":13.5,"evidence":"目标是 Dock 中位于 Mail 与 Photos 之间的深紫色圆角方形“Ae”图标，随后在指针下放大。首个完整呈现帧为 13.00 秒，最后合格帧为 14.00 秒；此前 12.75 秒该图标尚未完整进入画面，之后 14.25 秒已切换至时钟和小组件场景。选择 13.50 秒作为关键帧，图标轮廓及字母清晰、放大明显，便于与邻近图标区分。","start_frame":312,"end_frame":342,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[449,392.6,584.4,631.5],"positive_points":[[470.3,434.3],[551.6,433.3],[477.6,521.3],[549,518.5],[480.7,594.4],[557.8,590.7]],"negative_points":[[512.5,554.6],[384.9,527.8],[652.6,520.4],[515.6,291.7]],"evidence":"目标是 Mail 与 Photos 之间放大的深紫色“Ae”图标。边界框紧贴完整圆角方形图标，包含表面和字母；六个正点分布在上部、字母及下部表面。负点分别位于鼠标指针、左右相邻图标和上方应用名称标签，排除这些非目标内容。"}},{"name":"Lock-screen date","description":"A gray date block arranged vertically as “TUE,” “APR,” and “1,” to the left of the large clock on a dark starry background.","membership":"Include only the three lines of date text. Exclude the adjacent clock, widgets, and background.","id":"obj_014","temporal":{"status":"found","start_s":14.25,"end_s":15.0,"reference_s":14.5,"evidence":"目标是深色星空背景上、大时钟左侧竖排的灰色“TUE / APR / 1”三行日期文字。14.25秒首次完整显示，最后一个合格采样帧为14.75秒；此前14.00秒仍是应用程序 Dock，未见该日期块。目标持续至视频结束，之后没有采样帧。选择14.50秒作为关键帧，日期文字清晰完整，与右侧时钟及下方组件易于区分。","start_frame":342,"end_frame":360,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[304.7,252.8,395,511.2],"positive_points":[[315.1,257.4],[339.6,283.3],[312.5,386.1],[387.5,400.9],[317.7,461.1],[317.7,500.9]],"negative_points":[[563,376],[480,688],[270,390],[425,480]],"evidence":"目标是大时钟左侧纵向排列的灰色“TUE / APR / 1”日期。边界框紧贴三行文字的整体范围；六个正点分布在各行字形笔画上，负点位于右侧时钟、下方组件及日期外侧背景，均避开文字内部空隙。"}},{"name":"Glass clock display","description":"Large translucent numerals reading “9:41,” presented to the right of the date above the widgets.","membership":"Include the numeral and colon shapes, including their glass-like edges and internal surfaces. Exclude the date, background, and widgets below.","id":"obj_015","temporal":{"status":"found","start_s":14.25,"end_s":15.0,"reference_s":14.5,"evidence":"目标为日期右侧、 widgets 上方具有玻璃质感边缘和内部表面的“9:41”数字及冒号。14.25秒首次完整呈现，至最后采样帧14.75秒仍完整可见；此前14.00秒显示应用程序 Dock，没有时钟。区间延续至视频末尾15.00秒，无后续帧可检查。选择14.50秒作为关键帧，数字轮廓清晰、无遮挡，易与左侧日期及下方组件区分。","start_frame":342,"end_frame":360,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[542.7,263.9,686.5,505.6],"positive_points":[[562.5,280.6],[562.5,482.4],[599.5,321.3],[599.5,448.1],[644.8,397.2],[678.6,375]],"negative_points":[[383.3,379.6],[485.9,693.5],[729.2,361.1],[611.5,202.8]],"evidence":"目标是日期右侧、组件上方显示“9:41”的大型半透明时钟。边界框紧贴数字和冒号的玻璃状外缘；六个正点分布在数字笔画及两个冒号圆点上，四个负点位于左侧日期、下方组件以及时钟外部背景。"}},{"name":"Activity rings widget","description":"A rounded transparent widget with concentric pink, green, and cyan activity rings. Its text reveals “MAKE SURE” above “19/30MIN” and “4/12HR.”","membership":"Include the complete widget surface and rounded boundary, activity rings, heading, and values. Exclude the surrounding night-scene background and the weather widget below.","id":"obj_016","temporal":{"status":"found","start_s":14.5,"end_s":15.0,"reference_s":14.75,"evidence":"目标是带粉、绿、青三色同心活动环及“19/30MIN”“4/12HR”的透明圆角组件。14.25秒时组件从画面底部进入，仍被边界裁切；14.5秒首次完整呈现表面、圆角边界和活动环，标题文字继续显现不影响容器成立。最后合格帧为14.75秒，组件持续至视频结束，之后无采样帧。选择14.75秒作为关键帧，因为“MAKE SURE”及数值清晰完整，组件与下方天气卡片容易区分。","start_frame":348,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[285.4,518.5,714.6,840.7],"positive_points":[[318,557],[403,668],[512,604],[500,677],[493,752],[672,778]],"negative_points":[[635,324],[521,937],[244,682],[770,685]],"evidence":"通过三色同心活动圆环及“MAKE SURE”“19/30MIN”“4/12HR”文字识别目标。边界框覆盖完整透明圆角组件及其边框；正点分布在组件表面、圆环、标题和数值上，负点位于上方时钟、下方天气组件及左右夜景背景。"}}]}
+{"video_id":266,"video_type":"icons and abstract motion graphics","targets":[{"name":"Passing Directness card","description":"Upper-left instruction card with horizontal passing arrows, one green, and the value \"Standard\" beneath \"Passing Directness\".","membership":"Includes the rounded card surface, border, heading, diagram, and value. Excludes neighboring cards and overlaid tooltips or cursor indicators.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":2.75,"evidence":"目标为左上角“Passing Directness”圆角卡片，包含水平传球箭头、一条绿色箭头及“Standard”数值。首个合格帧为0.00秒，最后为5.50秒；期间1.00秒的提示框短暂遮挡不改变其连续存在。视频起点前无采样帧；紧邻其后的5.75秒已切换到防守指令画面，目标消失。选择2.75秒作为关键帧，卡片边界和内容完整清晰，无提示框或光标遮挡。","start_frame":0,"end_frame":138,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[85,113,245.5,387],"positive_points":[[106,144],[207,151],[159,248],[162,345],[101,283],[226,293]],"negative_points":[[156,88],[313,259],[156,440],[73,255]],"evidence":"目标为左上角“Passing Directness”卡片，含水平传球箭头、绿色箭头及“Standard”数值。边界框紧贴完整圆角卡片，覆盖表面、边框、标题和图示；正点分布于卡片各区域，负点位于上方与左侧背景及相邻的Tempo、Creative Freedom卡片。"}},{"name":"Tempo card","description":"Top-row card beside Passing Directness, showing a yellow-and-white semicircular gauge and \"Standard\".","membership":"Includes the entire rounded card and its heading, gauge, and value; excludes adjacent cards and any overlaid tooltip.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":0,"evidence":"目标为顶行 Passing Directness 右侧的 Tempo 圆角卡片，包含标题、黄白半圆仪表和 Standard 值。首个合格帧为 0.00 秒，最后为 5.50 秒；1.00 秒虽被提示框短暂遮挡，前后可确认同一卡片持续存在。5.75 秒画面切换为防守设置，目标消失。起点已到视频开头，无更早采样帧。选择 0.00 秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":0,"end_frame":138,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[285.4,101,441.7,392.6],"positive_points":[[318,135],[333,242],[399,265],[367,348],[301,314],[420,172]],"negative_points":[[239,256],[511,250],[362,449],[360,74]],"evidence":"目标是顶排 Passing Directness 右侧的 Tempo 卡片，含黄色和白色半圆仪表及 Standard 数值。边界框紧贴整张圆角卡片，正点分布在标题、仪表、数值和卡片表面；负点位于左右相邻卡片、下方卡片及上方外部背景。"}},{"name":"Time Wasting card","description":"Top-row card with a white stopwatch beneath \"Time Wasting\" and the value \"Less Often\".","membership":"Includes the card surface, rounded boundary, heading, stopwatch, and value. Excludes neighboring cards and overlaid tooltips.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":2.0,"evidence":"目标为顶行标有“Time Wasting”的圆角卡片，内有白色秒表及“Less Often”。首个合格帧为0.00秒，卡片已完整建立；最后合格帧为5.50秒。1.00秒的提示框短暂遮挡部分卡片，不影响其连续存在。5.75秒画面切换为防守设置，目标不再出现，因此区间结束于5.75秒。视频起点之前没有采样帧。选择2.00秒作为关键帧，卡片边界、标题、秒表和值均清晰且无遮挡。","start_frame":0,"end_frame":138,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[430,140,568,400],"positive_points":[[476,173],[499,268],[494,358],[448,233],[547,305],[449,373]],"negative_points":[[402,256],[592,280],[494,456],[501,113]],"evidence":"目标是顶排标有“Time Wasting”、白色秒表和“Less Often”的卡片。边界框紧贴整张卡片的圆角外缘，涵盖表面、标题、图标及数值。正点分布于这些内容和卡片表面；负点位于左右相邻卡片、下方卡片及上方外部背景。"}},{"name":"Attacking Transition card","description":"Top-row card showing concentric red rings around a white dot, headed \"Attacking Transition\", with a truncated counter-attack value.","membership":"Includes the full rounded card, heading, central graphic, and value. Excludes adjacent cards and independent overlays.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":2.75,"evidence":"目标为顶行标题“Attacking Transition”的完整圆角卡片，中央有红色同心环与白点，下方显示截断的反击选项。首个合格帧为0.00秒，末个为5.50秒；期间短暂的独立提示框遮挡不改变卡片的连续存在。视频起点前无采样帧，紧邻的5.75秒已切换到防守设置画面，目标不再可见。选择2.75秒作为关键帧，卡片边界、标题、图标和值清晰且无遮挡。","start_frame":0,"end_frame":138,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[570.3,164.8,696.4,409.3],"positive_points":[[622.9,194.4],[634.4,286.1],[628.1,369.4],[585.4,242.6],[680.2,324.1],[589.1,384.3]],"negative_points":[[528.1,283.3],[766.7,295.4],[634.9,546.3],[485.4,449.1]],"evidence":"目标是顶排标题为“Attacking Transition”的圆角卡片，中央为红色同心环和白点，下方显示截断的“Counter-Atta...”。边界框覆盖完整卡片及其标题、图案和数值；六个正点分布在这些内容及卡片内部表面，四个负点位于相邻的时间消耗、进攻宽度、门将分球和球门球卡片上。"}},{"name":"Attacking Width card","description":"Top-row card with a pitch-end outline and two inward-pointing green arrows, set to \"Narrower\".","membership":"Includes the rounded card surface and border, heading, pitch diagram, arrows, and value. Excludes neighboring cards and overlaid boxes.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":2.75,"evidence":"目标为顶行“Attacking Width”圆角卡片，含球场端线图、两个向内绿色箭头及“Narrower”值。首个合格帧为0.00秒，末个为5.50秒，期间持续存在，短暂提示框遮挡不改变其身份。起点已是视频开头，无更早帧；紧邻的5.75秒帧切换为防守设置画面，目标不再可见。选择2.75秒作为关键帧，卡片边界和全部内容清晰，无提示框遮挡。","start_frame":0,"end_frame":138,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[708,179,826,415],"positive_points":[[754,207],[721,247],[740,263],[751,315],[766,377],[812,350]],"negative_points":[[677,292],[868,306],[766,459],[766,141]],"evidence":"目标是顶排标有“Attacking Width”、底部显示“Narrower”的卡片，内有球场端线和两个相向绿色箭头。边界框覆盖完整圆角卡片及边框；正点分布在标题、图示、箭头、数值和卡片表面，负点位于左右及下方相邻卡片和上方外部背景。"}},{"name":"Play for Set Pieces card","description":"Rightmost top-row card headed \"Play for Set Pieces\", with a corner flag, ball, red curved arrow, and a truncated value beginning \"Keep Ball in P\".","membership":"Includes the entire rounded card and its text and diagram. Excludes adjacent cards and independent overlays.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":2.75,"evidence":"目标是顶行最右侧的圆角卡片，标题为“Play for Set Pieces”，内有角旗、足球、红色弯箭头及“Keep Ball in P...”文字。首个合格帧为0秒，卡片已完整呈现；最后合格帧为5.50秒。0秒之前无采样帧；紧接的5.75秒已切换至防守设置画面，目标不再出现。选择2.75秒作为关键帧，卡片边界、文字和图示清楚，无遮挡。","start_frame":0,"end_frame":138,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[835.9,193.5,946.9,419.4],"positive_points":[[880.2,221.3],[851.0,257.4],[875.5,301.9],[905.2,297.2],[892.2,385.2],[931.8,351.9]],"negative_points":[[766.7,295.4],[895.3,477.8],[962.5,305.6],[885.4,157.4]],"evidence":"目标是顶排最右侧标题为“Play for Set Pieces”的圆角卡片，内有角旗、足球、红色弯箭头及截断的“Keep Ball in P...”文字。边界框覆盖完整卡片；六个正点分布于标题、图示、底部文字和卡片表面，四个负点位于左邻卡片、下方卡片以及上方和右侧外部背景。"}},{"name":"Creative Freedom card","description":"Leftmost middle-row card with a football surrounded by sparkles and a green dotted ring beneath \"Creative Freedom\"; its value begins \"More Express\".","membership":"Includes the card surface, boundary, heading, football illustration, sparkles, and value. Excludes neighboring cards and overlays.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":0.5,"evidence":"目标为中排最左侧“Creative Freedom”卡片，包含足球、星光、绿色虚线环及“More Express...”数值。首个合格帧为0.00秒，卡片已完整建立；最后合格帧为5.50秒，始终为同一卡片。5.75秒画面切换为防守设置，目标不再出现。区间起于视频开头，无更早采样帧。选择0.50秒作为关键帧，卡片完整清晰且无遮挡，便于空间标注。","start_frame":0,"end_frame":138,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[90,418,266,719],"positive_points":[[156,452],[116,500],[180,563],[213,590],[175,668],[244,630]],"negative_points":[[179,337],[341,533],[177,825],[75,565]],"evidence":"目标为中排最左侧的“Creative Freedom”卡片，足球周围有星光和绿色虚线环，下方显示“More Express...”。边框紧贴整张卡片的可见外缘，包含表面、标题、图案和数值。正点分布在这些内容及卡片表面；负点位于上方、右侧、下方的其他卡片及左侧外部背景。"}},{"name":"Build-Up Strategy card","description":"Middle-row card beside Creative Freedom, showing linked player dots and arrows under \"Build-Up Strategy\", set to \"Balanced\".","membership":"Includes the complete rounded card, text, tactical diagram, and option controls when visible. Excludes the separate explanatory tooltip and ordinary cursor.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":0.75,"evidence":"目标是中排紧邻 Creative Freedom 右侧的 Build-Up Strategy 圆角卡片，内有球员圆点与连接箭头，选项为 Balanced。首个合格帧为 0.00 秒，卡片已完整呈现；最后合格帧为 5.50 秒。5.75 秒切换为防守设置画面，目标不再可见；视频起点之前没有采样帧。选择 0.75 秒作为关键帧，卡片边界、标题、战术图及选项控件清晰，且无说明浮窗遮挡。","start_frame":0,"end_frame":138,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[277.6,418.5,432.3,699.1],"positive_points":[[337.5,450.0],[407.8,483.3],[361.5,500.0],[376.0,555.6],[368.2,650.0],[300.5,596.3]],"negative_points":[[230.2,555.6],[439.6,555.6],[351.6,768.5],[346.9,678.7]],"evidence":"目标是中排紧邻 Creative Freedom 右侧、标题为 Build-Up Strategy 且选项为 Balanced 的圆角卡片。边界框覆盖完整卡片、文字、球员连线示意图及底部选项控件。正点分布于标题、示意图、选项文字和卡片表面；负点位于相邻卡片、卡片外间隙及明确排除的白色鼠标指针上。"}},{"name":"Goal Kicks card","description":"Middle-row card headed \"Goal Kicks\", showing three outward arrows from a ball within a pitch-end outline and the value \"Mixed\".","membership":"Includes the full card surface, border, heading, diagram, value, and option controls when visible. Excludes the cursor and neighboring cards.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":0.5,"evidence":"目标是中排标题为“Goal Kicks”的完整卡片，包含球与三支向外箭头的图示及“Mixed”数值。首个合格帧为0.00秒，至5.50秒持续完整可见；视频起点之前无采样帧。紧邻其后的5.75秒切换为防守设置画面，目标不再出现，因此区间结束于5.75秒。选择0.50秒作为关键帧，卡片边界和内容清晰，光标已移至邻卡，无遮挡。","start_frame":0,"end_frame":138,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[450,420,587,685],"positive_points":[[487,450],[561,475],[518,537],[483,596],[520,641],[568,613]],"negative_points":[[411,556],[623,546],[519,756],[518,345]],"evidence":"目标是中排标题为“Goal Kicks”、含球与三支向外箭头且底部显示“Mixed”的卡片。框覆盖完整卡面、边框、标题、示意图和值；六个正点分布于这些内容及卡面，四个负点位于左、右、上、下相邻卡片，未包含光标。"}},{"name":"GK Distribution card","description":"Middle-row card with a horizontal pitch diagram whose left defensive area is green, headed \"GK Distribution\" and set to \"Centre-Backs\".","membership":"Includes the rounded card and all its text and pitch graphic. Excludes neighboring cards and any tooltip covering it.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":2.5,"evidence":"目标为中排标题“GK Distribution”、设为“Centre-Backs”的圆角卡片，横向球场图左侧防守区域呈绿色。首个合格帧为0.00秒，末个为5.50秒；期间虽短暂被提示框遮挡，仍是同一卡片。视频起点前无采样帧；紧邻的5.75秒已切换为防守指令画面，目标不再出现。选择2.50秒作为关键帧，卡片边界、文字和球场图清晰且无遮挡。","start_frame":0,"end_frame":138,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[574,428,701,673],"positive_points":[[590,456],[681,485],[615,548],[667,588],[639,633],[590,647]],"negative_points":[[539,550],[756,552],[636,370],[638,728]],"evidence":"目标是中排标题为“GK Distribution”、底部为“Centre-Backs”的卡片，球场图左侧区域呈绿色。边界框紧贴整张圆角卡片，包含文字、图形和卡片表面。正点分布在标题、球场图及卡片上下区域；负点位于左、右、上、下相邻卡片内。"}},{"name":"Supporting Runs card","description":"Middle-row card between GK Distribution and Dribbling, containing a horizontal pitch outline beneath \"Supporting Runs\" and the value \"Balanced\".","membership":"Includes the complete card surface and boundary, heading, pitch graphic, value, and option controls when shown. Excludes the explanatory tooltip and cursor.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":2,"evidence":"目标是中排位于 GK Distribution 与 Dribbling 之间的 Supporting Runs 卡片，包含球场轮廓和 Balanced 值。首个合格帧为 0 秒，卡片已完整呈现；最后合格帧为 5.5 秒，期间短暂工具提示遮挡不改变其连续存在。5.75 秒切换到其他战术卡片画面，目标消失，因此区间结束于 5.75 秒。视频起点前没有采样帧。选择 2 秒作关键帧，卡片边界和内容清晰，无遮挡且鼠标不在卡片上。","start_frame":0,"end_frame":138,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[718,431,835,667],"positive_points":[[732,459],[811,477],[747,528],[805,585],[776,629],[732,644]],"negative_points":[[678,546],[867,548],[776,382],[776,740]],"evidence":"目标是中排位于 GK Distribution 与 Dribbling 之间、标题为“Supporting Runs”、底部显示“Balanced”的卡片。框覆盖完整卡片边界、表面、标题、球场图形和值；六个正点分布于卡片各部分，四个负点位于左、右、上、下相邻的其他卡片内。"}},{"name":"Dribbling card","description":"Rightmost middle-row card headed \"Dribbling\", showing a dotted diagonal route past crosses toward an arrowhead, set to \"Balanced\".","membership":"Includes the rounded card, heading, route illustration, value, and option controls when visible. Excludes adjacent cards and overlaid tooltips or cursor.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":2.5,"evidence":"目标为中排最右侧的“Dribbling”圆角卡片，内有穿过叉号的斜向虚线路径、箭头及“Balanced”值。首个合格帧为0.00秒，卡片已完整呈现；最后合格帧为5.50秒。5.75秒画面切换为防守设置，目标消失，因此区间结束于5.75秒。视频起点之前无采样帧。选择2.50秒作为关键帧，卡片边界、标题和图示清晰，无遮挡且光标不在卡片内。","start_frame":0,"end_frame":138,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[840.6,438.9,950.5,664.8],"positive_points":[[863.5,464.8],[932.3,483.3],[922.4,531.5],[854.7,603.7],[896.9,628.7],[931.3,645.4]],"negative_points":[[772.9,546.3],[892.2,381.5],[897.9,726.9],[966.1,550.9]],"evidence":"目标是中排最右侧标题为“Dribbling”、显示虚线斜向箭头及“Balanced”的圆角卡片。边界框覆盖完整卡片及内部内容；六个正点分布于标题、路线图、数值和卡片表面，四个负点位于左侧、上方、下方相邻卡片及右侧外部背景。"}},{"name":"Progress Through card","description":"Bottom-left card headed \"Progress Through\", showing three parallel forward arrows across a pitch and the value \"Balanced\".","membership":"Includes the entire card surface, rounded boundary, heading, pitch illustration, value, and visible option controls. Excludes adjacent cards and the cursor.","id":"obj_013","temporal":{"status":"found","start_s":2.25,"end_s":5.75,"reference_s":4.0,"evidence":"目标是左下角标题为“Progress Through”的卡片，含球场上的三条平行前向箭头及“Balanced”。2.25秒首次完整显示卡片边界，持续至5.50秒；前一帧2.00秒卡片底部仍被画面下缘裁切，后一帧5.75秒已切换到其他战术卡片，目标消失。选择4.00秒作为关键帧，卡片完整清晰且无遮挡。","start_frame":54,"end_frame":138,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[76,694,233,964],"positive_points":[[106,727],[201,763],[125,800],[178,843],[147,920],[97,903]],"negative_points":[[162,633],[300,824],[62,831],[158,979]],"evidence":"目标是左下角标题为“Progress Through”、包含球场三条向前箭头及“Balanced”的卡片。边界框覆盖整个圆角卡片及其内部内容；正点分布在标题、球场插图、数值和卡片表面，负点位于上方与右侧相邻卡片、左侧及下方外部背景。"}},{"name":"Pass Reception card","description":"Bottom-row card beside Progress Through, showing two white passes toward a square and a circle beneath \"Pass Reception\", set to \"Balanced\".","membership":"Includes the full rounded card, heading, passing graphic, value, and option controls when shown. Excludes neighboring cards and cursor indicators.","id":"obj_014","temporal":{"status":"found","start_s":1.5,"end_s":5.75,"reference_s":3.0,"evidence":"目标为底排 Progress Through 右侧的 Pass Reception 圆角卡片，内有指向方块和圆点的两条白色传球箭头及 Balanced。首个完整呈现帧为1.50秒；此前1.25秒卡片下缘仍被画面边界裁切。最后符合帧为5.50秒，5.75秒已切换为防守设置特写，目标消失。选择3.00秒作关键帧，卡片完整清晰，且无光标或提示框遮挡。","start_frame":36,"end_frame":138,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[254.2,700,403.6,970.4],"positive_points":[[306,733],[278,778],[332,811],[359,863],[385,899],[323,925]],"negative_points":[[181,832],[484,824],[328,637],[631,817]],"evidence":"目标是底行位于“Progress Through”右侧的“Pass Reception”卡片，内有朝向方块和圆点的传球图示及“Balanced”。边框紧贴完整圆角卡片，包含标题、图示、数值与卡片表面。正点分布于这些内容及表面，负点位于左、右、上方及更右侧的其他卡片。"}},{"name":"Patience card","description":"Bottom-row card headed \"Patience\", with arrows approaching a goal-area diagram and the value \"Standard\".","membership":"Includes the complete rounded card and its heading, diagram, value, and visible option controls. Excludes adjacent cards and the cursor.","id":"obj_015","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":3.0,"evidence":"目标是底排标题为“Patience”的完整圆角卡片，内有箭头接近球门区域的示意图及“Standard”数值。首个合格帧为0.00秒，末个为5.50秒，期间卡片持续完整可见；起点已是视频开头，没有更早采样帧。5.75秒画面切换为防守设置卡片，目标消失。选择3.00秒作为关键帧，卡片边界与内容清晰，且无光标或提示框遮挡。","start_frame":0,"end_frame":138,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[417,697,555,956],"positive_points":[[448,728],[432,783],[484,812],[537,862],[487,913],[442,937]],"negative_points":[[379,839],[583,851],[485,635],[490,973]],"evidence":"目标为底排标题“Patience”、图示为箭头接近球门区域且数值为“Standard”的卡片。框覆盖完整圆角卡片及其标题、图示和数值；六个正点分布于这些内容及卡片表面，负点位于左右相邻卡片、上方卡片和下方外部背景，均避开目标。"}},{"name":"Shots from Distance card","description":"Bottom-row card headed \"Shots from Distance\", showing a long upward shot arrow toward a goal and the value \"Balanced\".","membership":"Includes the full rounded card, text, goal-and-arrow illustration, and option controls when visible. Excludes neighboring cards and the cursor.","id":"obj_016","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":2.0,"evidence":"目标为底排标题“Shots from Distance”的圆角卡片，内有朝球门向上的射门箭头及“Balanced”文字。首个合格帧为0.00秒，卡片已完整显示；末个合格帧为5.50秒。区间起点即视频开头，无更早采样帧；紧邻的5.75秒帧已切换为防守指令界面，目标消失。选择2.00秒作为关键帧，卡片边界、标题和图示清晰，无遮挡且光标位于其他卡片。","start_frame":0,"end_frame":138,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[580.7,693.5,707.3,948.1],"positive_points":[[634,723],[692,752],[646,817],[596,854],[645,905],[691,918]],"negative_points":[[524,831],[777,816],[644,584],[649,977]],"evidence":"目标是底排标题为“Shots from Distance”、带向球门上射箭头及“Balanced”的圆角卡片。边界框覆盖整张卡片；六个正点分布于标题、图示、选项文字和卡片表面，负点位于左侧、右侧、上方相邻卡片及下方外部背景。"}},{"name":"Crossing Style card","description":"Bottom-row card between Shots from Distance and GK Distribution speed, showing a curved cross into a shaded goal area beneath \"Crossing Style\", set to \"Balanced\".","membership":"Includes the entire rounded card, heading, illustration, value, and visible option controls. Excludes the separate explanatory tooltip and cursor.","id":"obj_017","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":2.75,"evidence":"目标为底排位于“Shots from Distance”和“GK Distribution (Speed)”之间的“Crossing Style”圆角卡片，含传中示意图及“Balanced”值。首个合格帧为0.00秒，卡片已完整显示；最后合格帧为5.50秒。5.75秒切换到防守指令画面，目标不再出现；视频起点前无采样帧。选择2.75秒作关键帧，卡片边界、标题、图示和值清晰，且没有提示框或光标遮挡。","start_frame":0,"end_frame":138,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[710.4,688.9,830.2,931.5],"positive_points":[[755.2,719.4],[739.6,801.9],[770.8,820.4],[770.8,889.8],[726.6,754.6],[810.9,867.6]],"negative_points":[[638.0,814.8],[897.9,809.3],[770.8,634.3],[773.4,958.3]],"evidence":"目标是底行位于 Shots from Distance 与 GK Distribution (Speed) 之间的 Crossing Style 卡片，值为 Balanced。边界框覆盖完整圆角卡片、标题、传中示意图和选项值，不含邻卡或光标。正点分布于标题、插图、数值及卡片表面；负点位于左右邻卡、上方卡片和下方外部背景。"}},{"name":"GK Distribution speed card","description":"Bottom-right card with a heading beginning \"GK Distribution (Speed\", an upward arrow flanked by chevrons, and the value \"Balanced\".","membership":"Includes the complete rounded card surface, border, heading, distribution-speed illustration, and value. Excludes adjacent cards and overlaid boxes.","id":"obj_018","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":5.5,"evidence":"目标是右下角标题以“GK Distribution (Speed”开头的圆角卡片，内有两侧带折线的向上箭头及“Balanced”值。首个合格帧为0.00秒，卡片已完整呈现；最后合格帧为5.50秒。视频起点前没有采样帧；紧随其后的5.75秒切换为防守指令画面，目标不再出现。选择5.50秒为关键帧，因为卡片边界、标题和图示清晰，且无遮挡。","start_frame":0,"end_frame":138,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[806,685,929,913],"positive_points":[[860,711],[822,752],[868,789],[909,841],[869,877],[827,889]],"negative_points":[[738,802],[861,615],[945,827],[866,939]],"evidence":"目标是右下角标题以“GK Distribution (Speed”开头、带向上箭头和两侧折线且数值为“Balanced”的卡片。边界框覆盖完整圆角卡片表面、边框、标题、图示和数值。正点分布在标题、图示、数值及卡片表面；负点位于左侧和上方相邻卡片、右侧背景及卡片下方区域。"}},{"name":"Balanced build-up explanation","description":"Dark tooltip above the Build-Up Strategy card explaining the balance between playing through the press and clearing the ball under significant pressure.","membership":"Includes the tooltip's rectangular backing, boundary, and complete explanatory text. Excludes the instruction cards behind it and the cursor.","id":"obj_019","temporal":{"status":"found","start_s":1.0,"end_s":1.25,"reference_s":1.0,"evidence":"目标是 Build-Up Strategy 卡片上方的深色矩形提示框，完整文字说明在穿过逼抢传球与受压时解围之间取得平衡。首个及最后一个符合条件的采样帧均为 1.00 秒，背景、边界和说明文字完整可见；前一帧 0.75 秒尚无提示框，后一帧 1.25 秒提示框已消失。选择 1.00 秒作为关键帧，因为目标完整清晰且无遮挡。","start_frame":24,"end_frame":30,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[208.9,138,485.4,421.3],"positive_points":[[232,171],[435,198],[279,249],[443,295],[270,359],[462,399]],"negative_points":[[173,338],[352,454],[513,272],[336,677]],"evidence":"目标是 Build-Up Strategy 卡片上方的深色提示框，文字说明在穿过逼抢与受压时解围之间保持平衡。边界框覆盖完整提示框底板、边界及全部说明文字；正点分布在框内文字和底板上，负点位于左侧及下方卡片、右侧秒表图标和下方光标处。"}},{"name":"Balanced crossing explanation","description":"Dark tooltip above the Crossing Style card explaining that the team is not instructed to favour a specific type of cross and can choose for the situation or personal preferences.","membership":"Includes the entire tooltip backing, boundary, and text block. Excludes the underlying cards and the cursor.","id":"obj_020","temporal":{"status":"found","start_s":3.5,"end_s":3.75,"reference_s":3.5,"evidence":"目标是Crossing Style卡片上方的深色提示框，文字说明球队不偏好特定传中类型，可根据情境或个人偏好选择。首个及最后一个符合条件的采样帧均为3.50秒，提示框背景、边界和文字完整可见；相邻的3.25秒和3.75秒帧均无此提示框。选择3.50秒作为关键帧，因为目标清晰完整且无遮挡。","start_frame":84,"end_frame":90,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[646.9,518.5,867.2,691.7],"positive_points":[[664.1,543.5],[818.2,550.9],[706.3,600],[825.5,625.9],[671.9,663.9],[851,674.1]],"negative_points":[[625,545.4],[890.6,598.1],[755.2,724.1],[750,475]],"evidence":"目标是 Crossing Style 卡片上方的深色提示框，文字说明球队不限定传中类型，可按情况或个人偏好选择。边框紧贴完整提示框的底板、边界和文字；六个正点分布于框内不同区域，四个负点位于周围卡片上，均避开提示框及光标。"}},{"name":"Supporting runs explanation","description":"Dark tooltip above Supporting Runs reading \"Places no extra emphasis on the team to make more underlapping runs.\"","membership":"Includes the complete tooltip panel, border, and sentence. Excludes the instruction cards behind it and the cursor.","id":"obj_021","temporal":{"status":"found","start_s":4.75,"end_s":5.25,"reference_s":4.75,"evidence":"目标为 Supporting Runs 上方的深色提示框，完整显示指定英文句子、面板及边框。首个符合帧为4.75秒，最后符合帧为5.00秒；此前4.50秒尚无提示框，此后5.25秒提示框已消失。选择4.75秒作为关键帧，提示框完整清晰，文字无遮挡，易于与后方指令卡区分。","start_frame":114,"end_frame":126,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[636.5,351.9,842,442.6],"positive_points":[[646.4,376.9],[727.6,385.2],[819.8,389.8],[654.7,406.5],[757.3,413.9],[827.6,425.9]],"negative_points":[[741,465],[744,570],[737,307],[866,389]],"evidence":"目标是 Supporting Runs 卡片上方的深色提示框，文字为“Places no extra emphasis on the team to make more underlapping runs.”。边界框紧贴完整提示面板，包含边框和句子；六个正点分布在文字及面板表面，四个负点位于周围指令卡片、图标和下方光标上，均不属于提示框。"}},{"name":"High Press instruction card","description":"Partially cropped upper-left card in the final defensive-instructions view, with a vertical green pitch diagram, a bright horizontal line, and the value \"High Press\".","membership":"Includes the visible portion of the rounded card, its pitch illustration, and text. Excludes the separate large green pitch at the left and neighboring cards.","id":"obj_022","temporal":{"status":"found","start_s":5.75,"end_s":6.0,"reference_s":5.75,"evidence":"目标仅在5.75秒的防守指令视图出现：左上方局部裁切的圆角卡片内有竖向绿色球场、明亮横线及“High Press”文字，不包括左侧大球场或邻卡。该裁切是镜头构图，未见入场过程；首末合格帧均为5.75秒。前一帧5.50秒仍为进攻指令界面，无此卡片。区间延续至视频末尾6.0秒，之后无采样帧。选择5.75秒为关键帧，目标可见部分清晰且易于区分。","start_frame":138,"end_frame":144,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[146.4,0,343.2,269.4],"positive_points":[[184.9,63.9],[239.6,98.1],[247.4,42.6],[300,133.3],[239.1,195.4],[177.6,229.6]],"negative_points":[[70.3,185.2],[218.8,379.6],[461.5,127.8],[735.4,413]],"evidence":"目标是左上方被画面顶部裁切的“High Press”圆角指令卡，含绿色纵向球场图和亮绿色横线。框覆盖其全部可见卡面、插图和文字；正点分布在卡面、球场图、横线及文字上，负点位于左侧独立大球场和相邻的其他指令卡内。"}},{"name":"Higher defensive instruction card","description":"Partially cropped upper-middle card in the final view, displaying a pitch diagram and the value \"Higher\".","membership":"Includes the visible card surface, rounded boundary, diagram, and value. Excludes adjacent cards and surrounding interface.","id":"obj_023","temporal":{"status":"found","start_s":5.75,"end_s":6.0,"reference_s":5.75,"evidence":"目标仅在5.75秒的最终视图中出现，位于上方中间，卡片可见部分包含圆角边界、球场图及“Higher”数值，与左侧“High Press”和右侧“Step Up More”卡片区分明确。此处上缘裁切属于描述指定的构图，并非入场未完成。首末合格帧均为5.75秒；前一帧5.50秒仍为控球指令页面，没有该卡片。区间延续至视频结束6.0秒，之后无采样帧。选择5.75秒作为唯一且清晰可辨的关键帧。","start_frame":138,"end_frame":144,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[356,0,577,209],"positive_points":[[389,62],[461,32],[530,49],[460,128],[386,182],[540,129]],"negative_points":[[247,141],[726,65],[461,277],[344,123]],"evidence":"目标是画面上方中间显示球场示意图和“Higher”的卡片。边框覆盖其被图像顶部裁切后的完整可见卡面、圆角边界、示意图及文字。正点分布在卡面、图示和文字上；负点位于左右相邻卡片、下方卡片及卡片间的界面背景。"}},{"name":"Step Up More instruction card","description":"Partially cropped upper-right card in the final defensive-instructions view, identifiable by the value \"Step Up More\".","membership":"Includes the visible portion of this card's surface, boundary, and contents. Excludes the Tackling card below and neighboring interface text.","id":"obj_024","temporal":{"status":"found","start_s":5.75,"end_s":6.0,"reference_s":5.75,"evidence":"目标在5.75秒的防守指令视图中出现，位于Tackling卡片上方，可见卡片表面、边界及“Step Up More”文字；其顶部裁切符合目标描述。首末合格采样帧均为5.75秒。前一帧5.50秒仍是进攻指令界面，没有该卡片；区间到达视频结尾，无后续采样帧。选择5.75秒为关键帧，因为这是唯一出现且可明确辨认目标的帧。","start_frame":138,"end_frame":144,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[596,0,859,139],"positive_points":[[619,24],[630,98],[675,61],[730,41],[820,26],[805,69]],"negative_points":[[724,220],[511,64],[704,153],[887,56]],"evidence":"目标是画面上方偏右、显示“Step Up More”的顶部裁切卡片。边界框紧贴其可见表面及圆角边界；六个正点分布在卡片表面和文字上，四个负点位于下方 Tackling 卡片、左邻 Higher 卡片及外侧背景，均避开目标。"}},{"name":"Trigger Press card","description":"Lower-left card in the final view, headed \"Trigger Press\", with green directional chevrons around a white dot and a value beginning \"Much More O\".","membership":"Includes the complete rounded card, heading, pressing illustration, and value. Excludes the adjacent green pitch and other instruction cards.","id":"obj_025","temporal":{"status":"found","start_s":5.75,"end_s":6.0,"reference_s":5.75,"evidence":"目标在5.75秒的最终视图左下方完整出现：圆角卡片标题为“Trigger Press”，内有围绕白点的绿色方向箭头，数值显示“Much More O...”。首个和最后一个合格采样帧均为5.75秒；前一帧5.50秒仍为另一组控球指令卡片，没有目标。该卡片边界及内容清晰完整，故选5.75秒为关键帧。区间延伸至视频末尾6.0秒，其后无采样帧。","start_frame":138,"end_frame":144,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[117,260,333,677],"positive_points":[[190,334],[289,326],[225,446],[157,513],[215,604],[288,586]],"negative_points":[[68,454],[234,194],[419,435],[221,741]],"evidence":"目标是左下方标题为“Trigger Press”的圆角卡片，内有绿色方向箭头、白点和“Much More O...”数值。边界框覆盖完整卡片及其边框；正点分布于标题、插图、数值和卡片表面，负点位于左侧绿色球场、上方及右侧其他卡片和下方外部背景。"}},{"name":"Defensive Transition card","description":"Lower-middle card in the final view, headed \"Defensive Transition\", showing upward green chevrons on a vertical pitch and the value \"Counter-Press\".","membership":"Includes the full rounded card surface and border, heading, pitch-and-chevron illustration, and value. Excludes neighboring instruction cards.","id":"obj_026","temporal":{"status":"found","start_s":5.75,"end_s":6.0,"reference_s":5.75,"evidence":"目标在5.75秒的最终视图中完整出现：下方中部圆角卡片标题为“Defensive Transition”，竖向球场内有绿色向上箭头，底部显示“Counter-Press”。首末合格采样帧均为5.75秒；前一帧5.50秒仍为“In Possession”卡片界面，没有该目标。区间延续至视频结束，之后无采样帧。选择5.75秒作为关键帧，因为卡片边框、标题、图示和值均清晰完整且无遮挡。","start_frame":138,"end_frame":144,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[343,194,583,644],"positive_points":[[453,267],[382,377],[458,417],[540,416],[460,560],[382,600]],"negative_points":[[224,461],[736,405],[464,122],[476,705]],"evidence":"目标为下方中央标题为“Defensive Transition”、底部标有“Counter-Press”的卡片。边界框紧贴完整圆角卡片的可见外缘，涵盖表面、边框、标题、球场与绿色箭头图示及数值文字。正点分布在标题、图示、底部文字和卡片表面；负点位于左右及上方相邻卡片和目标下方外部背景。"}},{"name":"Tackling card","description":"Large lower-right card in the final view, headed \"Tackling\", with chevrons pointing toward a white football boot and the value \"Standard\".","membership":"Includes the entire rounded card, heading, boot-and-chevron graphic, and value. Excludes adjacent cards and text outside its boundary.","id":"obj_027","temporal":{"status":"found","start_s":5.75,"end_s":6.0,"reference_s":5.75,"evidence":"目标为最终画面右下方完整圆角卡片，标题为“Tackling”，内有指向白色球鞋的箭头及“Standard”数值。首个和最后一个符合条件的采样帧均为5.75秒，卡片边界和内容均已完整呈现；前一帧5.50秒仍为进攻指令卡片界面，没有该目标。区间延伸至视频结尾6.0秒，无后续采样帧。选择5.75秒作为关键帧，因为目标清晰且无遮挡。","start_frame":138,"end_frame":144,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[602,116,896,603],"positive_points":[[658,213],[787,344],[685,366],[747,516],[644,477],[828,236]],"negative_points":[[526,440],[720,65],[926,400],[760,681]],"evidence":"目标是右下方标题为“Tackling”、含箭头与白色球鞋图标及“Standard”的圆角卡片。边界框紧贴整张卡片的可见外缘；正点分布于标题、图标、数值和卡片表面，负点位于左侧及上方相邻卡片、右侧和下方外部背景。"}}]}
+{"video_id":267,"video_type":"icons and abstract motion graphics","targets":[{"name":"Rotating road-interchange display panel","description":"A blue-edged, diamond-oriented square panel floating against a dark background, initially left of center. It rotates while displaying white road-interchange diagrams with crossing carriageways, curved connecting ramps, and changing central loop arrangements.","membership":"Include the panel’s full surface, visible thickness, blue boundary, and all road-diagram contents, following its actual outline as it rotates. Exclude surrounding light bloom, its reflection below, scattered background lights, the bottom chapter strip, and the upper-right watermark.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":1.25,"evidence":"目标是暗背景中带蓝色边缘、显示白色道路立交图的菱形方板。首个合格帧为0.00秒，面板结构已完整建立；随后持续旋转并更换内部道路图案，仍为同一面板。最后合格帧为1.75秒，面板仍完整可见，无淡出或离场裁切，因此区间延续至视频结束2.00秒。区间两端均到达视频边界，没有边界外的采样帧。选择1.25秒为关键帧，因面板接近正面，蓝色轮廓及道路内容清晰，便于沿实际外形标注并排除下方倒影。","start_frame":0,"end_frame":48,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[233,48,645,749],"positive_points":[[447,176],[326,325],[560,347],[444,407],[447,616],[557,500]],"negative_points":[[160,400],[735,445],[450,895],[575,987]],"evidence":"目标是画面中偏左、带蓝色边缘的菱形道路立交展示面板。框覆盖其完整表面、可见厚度、蓝色边界及白色道路图案，不含外围光晕。正点分布在面板不同部位的表面和道路图案上；负点位于左右外部背景、下方倒影和底部章节条。"}}]}
+{"video_id":268,"video_type":"icons and abstract motion graphics","targets":[{"name":"Floating navigation bar","description":"A long, rounded navigation bar at the top of the PDAim website, containing the PDAim wordmark, Chinese navigation links, and a theme control. It remains visible as the page scrolls and changes between light and dark styles.","membership":"Includes the bar's rounded surface, boundary, wordmark, navigation items, and theme control. Excludes the surrounding page and the moving circular reveal effect.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":1.5,"evidence":"目标是页面顶部的长圆角悬浮导航栏，包含 PDAim 字标、中文导航项和主题控件，不含移动圆形效果。首个合格帧为 0.00 秒，栏体边界和布局已完整建立；最后合格帧为 19.75 秒，滚动后仍完整可见。期间明暗主题切换及圆形效果经过不改变导航栏身份。区间覆盖视频首尾，两端均无区间外采样帧。选择 1.50 秒作为关键帧，此时导航栏清晰完整，圆形效果未遮挡栏内内容。","start_frame":0,"end_frame":480,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[189,18,805,90],"positive_points":[[240,52],[344,60],[413,52],[514,52],[637,59],[759,53]],"negative_points":[[88,217],[476,157],[853,54],[163,55]],"evidence":"目标是页面顶部包含 PDAim 标识、中文导航链接和主题切换控件的长圆角悬浮导航栏。边界框紧贴整条导航栏的圆角表面与边界；正点分布在标识、导航项、栏内表面和主题控件上，负点位于栏外页面及左侧黑色圆形揭示效果中。"}},{"name":"Theme toggle","description":"The small light/dark appearance control at the right end of the navigation bar, operated before the page switches to dark mode and back.","membership":"Includes the toggle's small control surface and its light/dark symbols. Excludes the rest of the navigation bar and the ordinary mouse cursor.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":20,"reference_s":2,"evidence":"目标是顶部导航栏最右端带明暗圆形符号的小型主题切换控件，不含鼠标指针及其余导航栏。首帧0.00秒已完整显示，至末帧19.75秒仍持续存在；期间页面切换深浅主题仅改变控件外观，不中断其身份。区间覆盖视频首尾，无更早或更晚的相邻采样帧。选择2.00秒作为关键帧，此时控件清晰，未被指针或黑色圆形效果遮挡。","start_frame":0,"end_frame":480,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[751.6,45.4,769.8,61.1],"positive_points":[[756.3,52.8],[754.2,50.9],[757.8,55.6],[766.7,47.8],[768.2,52.8],[766.1,58.3]],"negative_points":[[739.6,52.8],[778.6,52.8],[760.4,27.8],[760.4,78.7]],"evidence":"目标位于顶部导航栏右端，是黑色圆形与浅色月牙组成的主题切换控件。框仅覆盖小型控件及明暗符号；六个正点分布在其圆形和月牙上，四个负点位于控件四周的导航栏背景，不包含鼠标指针。"}},{"name":"Circular text-reveal lens — initial appearance","description":"A large solid black circular lens initially overlapping the upper navigation area. It moves around the hero section and reveals contrasting text, including Chinese alternatives, where it crosses the lettering. It disappears before the theme control is operated.","membership":"Includes the circular effect's filled interior and actual outer outline, including content revealed within it. Excludes text outside the lens, the ordinary cursor, and separate distortions of the navigation bar.","id":"obj_003","temporal":{"status":"found","start_s":1.0,"end_s":12.75,"reference_s":2.5,"evidence":"目标是游走于主标题和导航区域的黑色圆形透镜，覆盖文字时显露白色文字及中文替代内容。首个完整呈现帧为1.00秒；此前0.75秒圆形仍被画面左边缘裁切。最后符合条件的帧为12.50秒，12.75秒透镜已消失，仅见普通鼠标指针，之后才操作主题控件。选择2.50秒作为关键帧，圆形轮廓完整清晰，且不与导航栏或标题重叠。","start_frame":24,"end_frame":306,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[135.9,163,263,388.9],"positive_points":[[172.4,206.5],[218.8,202.8],[153.6,271.3],[234.4,285.2],[175.5,338.9],[213.5,347.2]],"negative_points":[[114.6,268.5],[286.5,259.3],[197.9,425.9],[234.4,50.9]],"evidence":"目标是导航栏下方、主标题左上方的大型实心黑色圆形透镜。边界框紧贴圆形外缘，包含其全部填充内部；六个正点分散在圆内，四个负点位于圆外的左、右、下方背景及上方独立导航栏。"}},{"name":"Hero topic line","description":"The small line “Computer Vision · Real-time · Optimization” above the main greeting, with Chinese alternatives exposed by the moving lens.","membership":"Includes the topic words and their separators throughout their movement and language changes. Excludes the main greeting, background, and overlaid circular lens.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":14.25,"evidence":"目标是主问候语上方的小字“Computer Vision · Real-time · Optimization”及分隔点，移动圆形镜片内出现的中文属于同一行。首个合格帧为0秒，已完整呈现，之前无采样帧；最后合格帧为15.75秒，16秒开始随页面上滚淡出并进入顶部导航遮挡区域。期间的语言和明暗主题变化不改变其身份。选择14.25秒作为关键帧，此时整行清晰、无遮挡，与主标题容易区分。","start_frame":0,"end_frame":384,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[392.2,398.1,606.8,444.4],"positive_points":[[396.4,406.5],[425.5,413],[456.8,416.7],[495.3,421.3],[526,426.9],[582,434.3]],"negative_points":[[499,359],[378,453],[504,490],[628,423]],"evidence":"目标是主标题上方的小字“Computer Vision · Real-time · Optimization”。边界框紧贴整行主题文字及分隔符；六个正点分散在各部分的字形笔画上，负点位于上方及右侧背景和下方主标题上，未包含圆形透镜。"}},{"name":"PDAim hero greeting","description":"The large central greeting “HELLO THIS IS PDAIM,” displayed in bold, slanted lettering. Its perspective shifts with interaction, and portions show alternative lettering beneath the reveal lens.","membership":"Includes the complete greeting's lettering, including its locally revealed alternatives. Excludes the topic line above, subtitle below, page background, and circular overlay.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":16,"reference_s":0.75,"evidence":"目标为中央粗体斜体“HELLO THIS IS PDAIM”整行问候文字，包含圆形透镜下的替代字样，不含上下小字和圆形覆盖层。0秒已完整呈现，视频起点之前无采样帧；最后合格帧为15.75秒。16秒页面继续上滚，问候文字开始变灰淡出，16.25秒淡出更明显，因此不纳入。选择0.75秒为关键帧，整行清晰完整，圆形覆盖层位于左上方，未遮挡目标。","start_frame":0,"end_frame":384,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[279.2,395.4,790.1,553.7],"positive_points":[[286.5,525.9],[389.1,505.6],[428.1,509.3],[555.7,501.9],[665.6,451.9],[781.8,443.5]],"negative_points":[[493.8,423.1],[486.5,570.4],[61.5,112],[666.7,611.1]],"evidence":"目标为页面中央粗体倾斜的“HELLO THIS IS PDAIM”。边界框紧贴完整问候语的可见字形，正点分布在各段文字的笔画上；负点位于上方主题行、下方副标题、左上圆形覆盖层和文字外的页面背景，均不属于目标。"}},{"name":"Hero Chinese subtitle","description":"The smaller centered Chinese statement beneath the greeting, initially reading “重新定义视觉与操作的边界,” with alternate wording revealed during the lens demonstration.","membership":"Includes the subtitle text as one continuous reading block. Excludes the greeting, circular overlay, and background.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":15.75,"reference_s":1.25,"evidence":"目标是主问候语下方居中的中文副标题“重新定义视觉与操作的边界”，圆形透镜内的替代措辞属于同一阅读块。首个合格帧为0秒，视频起点之前无采样帧；末个合格帧为15.5秒，15.75秒随页面上滚开始淡出。期间主题切换和透镜造成的文字变化不属于退出。选择1.25秒作为关键帧，副标题完整清晰且无遮挡。","start_frame":0,"end_frame":378,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[431.8,560.2,541.1,586.1],"positive_points":[[436.5,577.8],[453.1,574.1],[472.4,574.1],[493.8,571.3],[514.6,569.4],[535.4,568.5]],"negative_points":[[494.8,500],[490.1,625],[403.6,579.6],[567.7,569.4]],"evidence":"目标是大号英文问候语下方的中文副标题“重新定义视觉与操作的边界”。边框紧贴整段略倾斜的中文文字；六个正点分布在左、中、右各处字形笔画上，负点位于上方英文问候语及字幕左、右、下方的外部背景。"}},{"name":"Scroll invitation","description":"A small centered Chinese instruction near the bottom of the hero section, including “向下滚动解锁更多.” It moves upward with the hero content during scrolling.","membership":"Includes the instruction's text and inline separator. Excludes the background and other hero text.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":17.75,"reference_s":2.5,"evidence":"目标是主视觉底部居中的中文滚动提示，包含“向下滚动解锁更多”及行内分隔符，随后随主视觉内容向上移动。首个合格帧为0.00秒，视频起点之前无采样帧；最后合格帧为17.50秒，提示仍完整位于画面上部，17.75秒已随滚动移出画面。期间主题切换和圆形效果未改变其身份。选择2.50秒作为关键帧，文字完整、无遮挡，易与其他主视觉文字区分。","start_frame":0,"end_frame":426,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[432.8,948.1,560,961.1],"positive_points":[[436,954],[460,954],[489,955],[499.5,955.5],[524,954],[555,955]],"negative_points":[[495,922],[495,978],[415,954],[580,954]],"evidence":"目标是画面底部居中的滚动提示，包含“向下滚动解锁更多”。框覆盖整行中文及中间分隔点；六个正点分布于两段文字笔画和分隔点，四个负点位于文字框上下左右的外部背景。"}},{"name":"Circular text-reveal lens — scrolling appearance","description":"The large circular reveal effect reappears over the right side of the hero greeting after the light theme is restored. It remains visible while scrolling begins, then fades out above the stability section.","membership":"Includes this appearance's circular interior, outer outline, and content revealed inside it, including its fading state. Excludes surrounding text and the ordinary mouse cursor.","id":"obj_008","temporal":{"status":"found","start_s":15.75,"end_s":16.75,"reference_s":16.0,"evidence":"目标是恢复浅色主题后，在问候语右侧重新出现并随滚动移至稳定性版块上方的圆形揭示镜。15.50秒圆形尚在淡入，15.75秒结构完整、深色圆面已建立；最后合格帧为16.50秒，16.75秒圆面明显淡出，故不纳入退出阶段。选择16.00秒作为关键帧，圆形完整清晰，与周围文字分离，便于标注。","start_frame":378,"end_frame":402,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[644.3,219.4,772.4,445.4],"positive_points":[[706,252],[669,293],[741,302],[701,342],[677,383],[730,405]],"negative_points":[[621,322],[797,340],[710,480],[692,151]],"evidence":"目标是主标题右下方的大型黑色圆形揭示效果。边界框紧贴圆形的可见外缘，包含整个圆形内部；六个正点分散在圆内，四个负点位于圆外左右及下方背景和上方标题文字上。"}},{"name":"Stability Core information card","description":"A rounded white card on the left of the first feature section, headed “STABILITY CORE” and “稳定识别 持续响应.” It contains a Chinese explanation and stacked sections labeled “FRAME CONTINUITY,” “CONFIDENCE GATE,” and “MOTION SMOOTHING.”","membership":"Includes the complete card surface, rounded boundary, heading, paragraph, and all three inset information sections. Excludes the adjacent software screenshot and the benefits strip below.","id":"obj_009","temporal":{"status":"found","start_s":17.5,"end_s":17.75,"reference_s":17.5,"evidence":"目标为首个功能区左侧的圆角白卡，包含“STABILITY CORE”“稳定识别 持续响应”、中文说明及三个内嵌信息区。17.50秒是首个也是最后一个完整呈现的采样帧，卡面及全部内容均在画面内；前一帧17.25秒卡片底部和最后一个信息区仍被画面下缘裁切，后一帧17.75秒卡片顶部已随滚动被上缘裁切。选择17.50秒作为关键帧，边界清楚且无明显遮挡。","start_frame":420,"end_frame":426,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[153,280,398,1000],"positive_points":[[200,318],[267,444],[274,605],[260,755],[256,836],[278,921]],"negative_points":[[120,605],[412,640],[650,650],[280,240]],"evidence":"目标是左侧以“STABILITY CORE”和“稳定识别 持续响应”为标题的白色圆角信息卡。框覆盖完整可见卡面、说明段落及三个内嵌信息区，卡片下部在图像底边截断。正点分布在卡面、标题、段落和三个信息区；负点位于卡片左侧、上方、右侧间隙及相邻软件截图中。"}},{"name":"PDAim Pro Overview screenshot","description":"A bordered software-interface image to the right of the stability card. The “Overview” screen contains a left navigation column, colored status tiles, model information, runtime values, and a small line chart.","membership":"Includes the entire displayed screenshot within its window boundary, including title bar, sidebar, status panels, and chart. Excludes the surrounding webpage and neighboring information card.","id":"obj_010","temporal":{"status":"found","start_s":17.25,"end_s":18.0,"reference_s":17.5,"evidence":"目标是稳定性说明卡右侧的 PDAim Pro「Overview」软件截图，包含标题栏、左侧导航、彩色状态块和运行曲线图。首个合格帧为17.25秒，最后为17.75秒；17.00秒截图仍在模糊显现且下边界未完整进入画面，18.00秒已随滚动在画面上边缘被裁切。选择17.50秒作为关键帧，此时窗口完整清晰，且未被顶部导航栏遮挡。","start_frame":414,"end_frame":432,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[426,435.2,840.1,854.6],"positive_points":[[630.6,450.3],[452.9,559.1],[537.2,588.2],[709.3,624.5],[572.4,771.6],[786.5,784.8]],"negative_points":[[274.1,487.8],[625.3,353.2],[882.6,653.5],[631.8,919.4]],"evidence":"目标是稳定性说明卡右侧、标题为“PDAim Pro”的 Overview 软件截图。边界框紧贴完整窗口，包含标题栏、左侧导航、状态面板、模型信息及折线图。正点分布于这些内部区域；负点位于左侧说明卡及窗口上、右、下方的网页背景。"}},{"name":"Stability benefits strip","description":"A horizontal rounded strip below the stability presentation, displaying “Low Jitter,” “Stable Runtime,” “Predictable Output,” and “Traceable State.”","membership":"Includes the strip's surface, boundary, and four labels as one presented unit. Excludes the feature cards below and the software screenshot above.","id":"obj_011","temporal":{"status":"found","start_s":18.25,"end_s":19.25,"reference_s":18.5,"evidence":"目标是稳定性展示下方、功能卡片上方的横向圆角条，包含 Low Jitter、Stable Runtime、Predictable Output、Traceable State 四项标签。18.25秒首次完整清晰呈现，19.00秒为最后合格帧；此前18.00秒仍处于模糊淡入阶段，之后19.25秒已随页面上滚离开可见区域。选择18.50秒作为关键帧，条带及四项标签完整、无遮挡，且与上下内容容易区分。","start_frame":438,"end_frame":462,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[184,375,811,460],"positive_points":[[261,412],[417,412],[570,411],[729,412],[205,433],[778,432]],"negative_points":[[628,125],[265,682],[474,684],[506,323]],"evidence":"通过横向排列的“Low Jitter”“Stable Runtime”“Predictable Output”和“Traceable State”识别目标。框覆盖四个标签及其浅色圆角条带表面和边界；正点分布在标签与条带表面，负点位于上方软件截图、下方功能卡片及条带外背景。"}},{"name":"Target Filter feature card","description":"The left card in a row of three feature cards, marked “01” and titled “Target Filter,” with a Chinese explanation of filtering candidate targets.","membership":"Includes this card's rounded surface, boundary, number, title, explanatory text, and internal graphic. Excludes the neighboring cards and surrounding page.","id":"obj_012","temporal":{"status":"found","start_s":18.75,"end_s":19.5,"reference_s":19.0,"evidence":"目标是三张功能卡中左侧标有“01”、标题为“Target Filter”的圆角卡片，包含中文说明和内部图形。18.75秒首次完整清晰呈现，18.50秒仍处于模糊淡入；最后合格帧为19.25秒，19.50秒卡片向上离开时已被画面上边界裁切。选择19.00秒作为关键帧，卡片完整且无遮挡，与相邻卡片容易区分。","start_frame":450,"end_frame":468,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[188.5,291.7,387,568.5],"positive_points":[[211,339],[256,442],[257,508],[354,514],[356,335],[213,391]],"negative_points":[[445,438],[660,446],[260,247],[266,616]],"evidence":"目标是三张功能卡片中最左侧标有“01”和“Target Filter”的卡片。边界框覆盖其完整圆角表面、编号、标题、中文说明及内部图形；正点分布在这些内容和卡片表面，负���位于相邻两张卡片及目标上下方的页面背景。"}},{"name":"Curve Control feature card","description":"The middle feature card, marked “02” and titled “Curve Control,” with Chinese text describing smoother, more controllable movement through curve training.","membership":"Includes this card's rounded surface, boundary, number, title, explanatory text, and internal graphic. Excludes the cards on either side and the surrounding page.","id":"obj_013","temporal":{"status":"found","start_s":18.75,"end_s":19.5,"reference_s":19.0,"evidence":"目标是三张功能卡片中间标有“02”、标题为“Curve Control”的圆角卡片，包含中文说明和内部图形。18.75秒首次清晰完整呈现，19.25秒为最后一个符合条件的帧；此前18.50秒仍处于模糊淡入揭示阶段，之后19.50秒卡片随页面上移，上部已被画面边界裁切。选择19.00秒作为关键帧，此时卡片完整清晰，且与左右卡片易于区分。","start_frame":450,"end_frame":468,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[396,292,596,569],"positive_points":[[421,339],[549,351],[476,443],[451,495],[564,515],[418,543]],"negative_points":[[294,434],[695,445],[494,248],[492,612]],"evidence":"目标是三张功能卡中间标有“02”和“Curve Control”的卡片。边界框覆盖其完整圆角表面、编号、标题、中文说明及内部图形；正点分布于这些内容和卡面，负点位于左右相邻卡片及目标上下方的页面背景。"}},{"name":"Runtime Guard feature card","description":"The right feature card, marked “03” and titled “Runtime Guard,” with Chinese text about monitoring the model pipeline and maintaining stable output.","membership":"Includes this card's rounded surface, boundary, number, title, explanatory text, and internal graphic. Excludes the neighboring cards and surrounding page.","id":"obj_014","temporal":{"status":"found","start_s":18.75,"end_s":19.5,"reference_s":19.0,"evidence":"目标为三张功能卡中右侧标有“03”和“Runtime Guard”的圆角卡片，含中文说明及内部图形。18.75秒卡片表面与边界已完整建立；此前18.50秒仍处于模糊淡入呈现阶段。最后合格帧为19.25秒，随后19.50秒卡片随页面上移，顶部被画面边界裁切。选择19.00秒作为关键帧，卡片完整清晰，且未被顶部导航栏遮挡。","start_frame":450,"end_frame":468,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[605,292,806,569],"positive_points":[[629,338],[649,443],[735,445],[675,495],[770,518],[736,351]],"negative_points":[[537,438],[709,249],[709,625],[842,435]],"evidence":"目标是右侧标有“03”、标题为“Runtime Guard”的功能卡片。边界框覆盖完整圆角卡面、编号、标题、中文说明及内部图形。正点分布在这些内容和卡面上；负点位于左侧相邻卡片及目标上方、下方、右侧的页面背景。"}},{"name":"Calibration Flow introduction","description":"The left-hand text presentation in the next section, headed “CALIBRATION FLOW” and the large wrapped Chinese heading “训练曲线 校准输出,” followed by a Chinese paragraph about sampling, training, retesting, and controlling movement.","membership":"Includes the English section label, large Chinese heading, and explanatory paragraph as one compact introduction. Excludes the adjacent software screenshot, background, and separate content below.","id":"obj_015","temporal":{"status":"found","start_s":19.25,"end_s":20.0,"reference_s":19.5,"evidence":"目标是左侧由“CALIBRATION FLOW”、大号中文“训练曲线 校准输出”和说明段落组成的介绍，不含右侧软件截图及下方内容。19.25秒首次完整清晰呈现，前一帧19.0秒仍模糊且下部尚未完整进入画面；最后合格帧为19.75秒，至视频结束仍完整可见，边界后无采样帧。选择19.5秒作为关键帧，文字组完整、清晰且无遮挡。","start_frame":462,"end_frame":480,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[203.6,409.3,413.5,823.1],"positive_points":[[207.8,416.7],[241.7,475.9],[370.8,574.1],[226.6,654.6],[393.2,746.3],[253.1,814.8]],"negative_points":[[544.3,638.9],[233.3,911.1],[177.1,592.6],[304.2,339.8]],"evidence":"目标是左侧的校准流程介绍，框覆盖“CALIBRATION FLOW”、三行大号中文标题及下方三行说明文字。正点分布在英文标签、各行中文标题和说明段落的字形上；负点位于右侧软件截图、下方独立内容卡片及介绍外侧空白处。"}},{"name":"PDAim Pro Curve Training screenshot","description":"A software-interface image on the right of the calibration section. The “Curve Training” screen shows a selected sidebar entry, collection and training controls, sample statistics, and a large pale-blue “Trajectory Canvas.”","membership":"Includes the complete displayed software screenshot within its window boundary, including title bar, sidebar, controls, statistics, instructions, and trajectory canvas. Excludes the adjacent calibration text and surrounding webpage.","id":"obj_016","temporal":{"status":"found","start_s":19.5,"end_s":19.75,"reference_s":19.5,"evidence":"目标为校准区右侧的 PDAim Pro 软件截图，可见 Curve Training 标题、选中的侧栏项、采集训练控件、统计信息及浅蓝色 Trajectory Canvas。首个及最后一个合格帧均为19.50秒，此时完整窗口边界均在画面内；前一帧19.25秒的窗口底部尚被画面下缘裁切，后一帧19.75秒因页面反向滚动再次裁切窗口底部。选择19.50秒作为关键帧，截图完整清晰且无遮挡。","start_frame":468,"end_frame":474,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[450,566.7,801,921.3],"positive_points":[[625,578.7],[474,694.4],[540,675.9],[581,765.7],[557,884.3],[694,787]],"negative_points":[[298,563],[367,781],[631,481],[843,782]],"evidence":"目标是校准区右侧标题为“PDAim Pro”、页面为“Curve Training”的软件截图。边界框紧贴完整窗口，涵盖标题栏、侧栏、训练控件、统计、说明及浅蓝色轨迹画布。六个正点分布于这些界面区域；负点位于左侧校准文字及窗口上方、右侧的网页背景。"}}]}
+{"video_id":269,"video_type":"icons and abstract motion graphics","targets":[{"name":"CIRCLE heading","description":"White uppercase heading above the first gallery’s row of eight circular loading animations.","membership":"The complete text “CIRCLE”, excluding the background and animation tiles below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0,"evidence":"目标为第一组八个圆形加载动画上方的白色大写标题“CIRCLE”。该完整文字从0.00秒至1.75秒持续清晰显示；起点已是视频首帧，无更早采样帧。紧邻的2.00秒帧切换为含“BALL”等标题的画面，“CIRCLE”不再出现。选择0.00秒为关键帧，文字完整清晰且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[40,206.3,110,227.5],"positive_points":[[43,211.6],[56,216.9],[63,216.9],[75,216.9],[89,224.9],[104,209]],"negative_points":[[27,217],[126,217],[76,184],[86,275]],"evidence":"目标是第一排八个圆形加载动画上方的白色大写标题“CIRCLE”。边界框紧贴完整文字，六个正点分别落在各字母笔画上；负点位于标题左、右、上方背景及下方动画图块中，均不属于标题。"}},{"name":"Circle animation tile 1","description":"Leftmost black tile under “CIRCLE”, containing a gray circular track with a white arc that changes length and position.","membership":"The entire rounded black tile, including its boundary, surface, circular track, enclosed center, and animated white marks.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.25,"evidence":"目标是“CIRCLE”标题下最左侧的黑色圆角方块，包含灰色圆轨道和变化的白色弧段。首个合格帧为0.00秒，方块边界与内部轨道已完整建立；最后合格帧为1.75秒，期间仅白色标记变化。2.00秒画面已替换为BALL、TIME等图标分组，目标不再出现。区间起于视频开头，无更早采样帧。选择0.25秒作为关键帧，方块完整无遮挡，灰色轨道和白色弧段清晰可辨。","start_frame":0,"end_frame":48,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[42,250,131,368],"positive_points":[[55,270],[115,271],[85,309],[61,334],[114,350],[84,276]],"negative_points":[[25,307],[145,308],[85,392],[204,309]],"evidence":"目标是“CIRCLE”标题下最左侧的黑色圆角方块。边界框覆盖完整方块，包括黑色表面、灰色圆环、白色弧线及环内中心。正点分布在方块表面、圆环和中心；负点位于方块外的背景及右侧另一块动画方块上。"}},{"name":"Circle animation tile 2","description":"Second tile from the left under “CIRCLE”, showing a white segment traveling around a gray ring.","membership":"The entire rounded black tile and all animation contents within it, excluding neighboring tiles and the heading.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标为“CIRCLE”标题下从左数第二个圆角黑色方块，内含灰色圆环和运动的白色弧段。首个合格帧为0.00秒，方块边界及圆环已完整呈现；最后合格帧为1.75秒。区间起点即视频开头，无更早采样帧；紧邻的2.00秒帧已切换为BALL、TIME等分类，目标不再出现。选择0.50秒作关键帧，方块完整无遮挡，灰环与白色弧段清晰可辨。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[160,250,249,368],"positive_points":[[174,267],[202,275],[230,309],[201,343],[173,330],[232,354]],"negative_points":[[86,309],[323,309],[263,311],[78,217]],"evidence":"目标是“CIRCLE”标题下从左数第二个圆角黑色方块，内有灰色圆环及白色弧段。边界框覆盖整个方块及其动画内容；正点分布��圆环和黑色底面上，负点位于左右相邻方块、方块外间隔及标题处。"}},{"name":"Circle animation tile 3","description":"Third tile under “CIRCLE”, initially showing a bright lower-left arc on a gray circular track.","membership":"The entire rounded black tile, including the circular track, its enclosed center, and changing white arc.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0,"evidence":"目标为“CIRCLE”行从左数第三个圆角黑色方块，包含灰色圆轨、中心及变化的白色弧线；0秒时白弧位于左下方，整块已完整呈现。首个合格帧为0秒，最后合格帧为1.75秒，期间仅内部弧线变化。区间前已是视频起点，无更早采样帧；紧邻的2秒帧切换为BALL、TIME等图标页面，目标消失。选择0秒作为关键帧，目标边界清楚、无遮挡，且初始左下白弧便于辨认。","start_frame":0,"end_frame":48,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[278,250,367,368],"positive_points":[[290,270],[352,272],[297,311],[322,342],[326,303],[352,350]],"negative_points":[[253,309],[385,310],[323,225],[323,400]],"evidence":"目标是“CIRCLE”标题下从左数第三个圆角黑色方块，灰色圆轨道左下部有明亮白弧。边界框紧贴整块圆角黑色瓷砖，包含圆轨道、中心和白弧；六个正点分布在瓷砖表面、轨道及中心，四个负点位于瓷砖四周的外部背景。"}},{"name":"Circle animation tile 4","description":"Fourth tile under “CIRCLE”, distinguished by a mostly white ring with a short changing gray gap.","membership":"The entire rounded black tile and its ring animation, including the area enclosed by the ring.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0,"evidence":"目标为“CIRCLE”行从左数第四个圆角黑色方块，内部是带短灰色缺口的近乎全白圆环，包含圆环围住的区域。首个合格帧为0.00秒，末个为1.75秒，期间方块边界始终完整，圆环变化属于内部动画。区间起点即视频开头，无更早帧；紧邻的2.00秒帧已换为BALL、TIME等图标页面，目标消失。选择0.00秒为关键帧，目标完整清晰、无遮挡，易与同排其他圆环区分。","start_frame":0,"end_frame":48,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[397,250,485,368],"positive_points":[[411,270],[473,281],[440,275],[415,310],[442,312],[463,350]],"negative_points":[[377,308],[501,310],[441,224],[441,408]],"evidence":"目标是“CIRCLE”标题下从左数第四个圆角黑色方块，内有大部分为白色、带短灰色缺口的圆环。边界框覆盖整个方块；正点分布于黑色底面、圆环及环内区域，负点位于方块四周的外部背景。"}},{"name":"Circle animation tile 5","description":"Fifth tile under “CIRCLE”, initially displaying a gray ring that develops moving white arc segments.","membership":"The entire rounded black tile, including the ring, enclosed center, and animated highlights.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标为“CIRCLE”标题下从左数第五个圆角黑色方块，包含灰色圆环、中心区域及变化的白色弧段。首个合格帧为0.00秒，方块边界与圆环已完整呈现；最后合格帧为1.75秒。区间起点即视频开头，无更早帧；紧邻的2.00秒帧已切换为BALL、TIME等图标页面，目标消失。选择0.50秒作关键帧，目标完整无遮挡，白色弧段清晰，便于与相邻方块区分。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[515,250,604,368],"positive_points":[[526,267],[558,308],[539,281],[578,328],[531,348],[590,351]],"negative_points":[[496,308],[619,310],[558,224],[558,395]],"evidence":"目标是“CIRCLE”标题下从左数第五个圆角黑色方块。边界框覆盖完整方块，包括圆环、中心和白色高亮弧段；六个正点分布在方块表面、圆环及中心，四个负点位于方块外上下左右的背景间隔中。"}},{"name":"Circle animation tile 6","description":"Sixth tile under “CIRCLE”, showing a gray circular track whose white portion grows and travels around the circumference.","membership":"The entire rounded black tile and all circular animation contents, including the ring’s enclosed center.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标为“CIRCLE”行从左数第六个黑色圆角方块，包含灰色圆轨及沿圆周变化的白色部分。整个方块在0.00秒已完整呈现，持续至最后符合条件的1.75秒；内部圆环动画不影响方块的连续身份。区间前已是视频起点，无更早采样帧；紧邻的2.00秒画面切换为BALL、TIME等类别，目标消失。选择0.50秒作为关键帧，方块边界与圆环清晰且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[633,250,722,368],"positive_points":[[646,266],[708,350],[676,308],[651,306],[679,275],[674,342]],"negative_points":[[617,308],[739,309],[678,225],[676,394]],"evidence":"目标是“CIRCLE”标题下从左数第六个圆环动画黑色方块。边界框紧贴整个圆角黑色 tile，包含圆环及其围住的中心。正点分布在黑色底面、圆环和中心，负点位于该 tile 四周的外部背景。"}},{"name":"Circle animation tile 7","description":"Seventh tile under “CIRCLE”, showing a short white highlight that develops into a longer moving arc on a gray ring.","membership":"The entire rounded black tile, its surface and boundary, and the complete ring animation inside.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标是“CIRCLE”行从左数第七个黑色圆角方块，内有灰色圆环及移动的白色高亮弧。首个合格帧为0.00秒，方块边界和完整圆环已建立；最后合格帧为1.75秒，其间白弧变化属于内部动画。2.00秒画面换成BALL、TIME等分类，目标消失。区间起于视频开头，无更早采样帧。选择0.50秒为关键帧，目标无遮挡，灰环和白弧清晰可辨。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[751,250,840,368],"positive_points":[[764,271],[823,271],[775,331],[811,333],[788,306],[823,350]],"negative_points":[[733,306],[858,308],[795,226],[795,399]],"evidence":"目标是“CIRCLE”标题下从左数第七个圆角黑色方块，内有灰色圆环和白色亮弧。边界框紧贴整个方块，包含表面、圆角边界及完整圆环；正点分布于方块表面和圆环上，负点位于方块四周的外部背景。"}},{"name":"Circle animation tile 8","description":"Rightmost tile under “CIRCLE”, distinguished by several separated white highlights distributed around a gray ring.","membership":"The entire rounded black tile, including the ring, its enclosed center, and all moving highlights.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0,"evidence":"目标是“CIRCLE”行最右侧的完整黑色圆角方块，内有灰色圆环及多个分离的白色亮点。首个合格帧为0.00秒，末个为1.75秒，期间方块完整存在，仅亮点运动。区间始于视频开头，无更早采样帧；紧邻的2.00秒帧已切换为BALL、TIME等图标页面，目标不再出现。选择0.00秒作为关键帧，圆环、亮点和方块边界清晰且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[869,250,958,368],"positive_points":[[882,269],[943,350],[913,309],[913,275],[890,326],[936,326]],"negative_points":[[852,308],[980,310],[911,221],[913,411]],"evidence":"目标是“CIRCLE”下最右侧的圆角黑色方块，灰色圆环上有多个分离的白色亮点。边界框紧贴整个方块；正点覆盖方块底面、圆环、内部及亮点，负点位于方块四周的外部背景。"}},{"name":"DOTS heading","description":"White uppercase heading above the first gallery’s middle row of dot-based loaders.","membership":"The complete text “DOTS”, excluding its background and the tiles below.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0,"evidence":"目标是第一组加载动画画廊中，位于中间一排圆点图标上方的白色大写文字“DOTS”，不含背景及下方图块。首个合格帧为0.00秒，文字已完整显示；最后合格帧为1.75秒，期间持续完整可见。区间起点即视频开头，无更早采样帧；紧邻的2.00秒帧已切换为BALL、TIME、WIFI、ICONS画廊，DOTS标题消失。选择0.00秒为关键帧，文字清晰完整且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[41,422,92,443],"positive_points":[[43,431],[51,430],[59,425],[64,436],[73,431],[86,439]],"negative_points":[[28,432],[110,432],[66,402],[66,523]],"evidence":"目标是中间一排圆点加载动画上方的白色大写标题“DOTS”。边界框紧贴完整文字，正点分布在四个字母的笔画上；负点位于文字外侧背景及下方独立的圆点图案上，排除背景和加载器瓷砖。"}},{"name":"Dots animation tile 1","description":"Leftmost tile under “DOTS”, containing three white dots that shift vertically while remaining in a short horizontal group.","membership":"The entire rounded black tile and all three animated dots, excluding adjacent tiles.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0,"evidence":"目标是“DOTS”标题下最左侧的圆角黑色 tile，内含三个横向成组、上下移动的白点，不包含相邻 tile。首个合格帧为0.00秒，末个为1.75秒，期间黑色块及三个白点始终完整可见。区间起点即视频开头，无更早采样帧；紧邻的2.00秒帧已切换为BALL、TIME、WIFI、ICONS页面，目标消失。选择0.00秒作为关键帧，三个白点排列清楚，完整黑色块无遮挡，��于标注。","start_frame":0,"end_frame":48,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[42,465.6,131,583.3],"positive_points":[[66,523.8],[86,523.8],[106,523.8],[62,486],[66,558],[113,560]],"negative_points":[[24,524],[146,524],[202,524],[86,617]],"evidence":"目标是“DOTS”标题下最左侧、含三个白点的黑色圆角方块。边界框覆盖整个方块及三个白点；正点分布在白点和方块表面，负点位于方块外背景及右侧相邻方块上。"}},{"name":"Dots animation tile 2","description":"Second tile under “DOTS”, containing a horizontal sequence of dots that fade between black, gray, and white.","membership":"The entire rounded black tile, including the dot animation even when individual dots fade from view.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.75,"evidence":"目标是“DOTS”行从左数第二个黑色圆角方块，包含横向明暗变化的圆点。整个方块在0.00秒已完整呈现，持续至最后合格帧1.75秒；圆点暂时隐去不影响方块身份。区间始于视频开头，无更早采样帧；紧邻的2.00秒已切换为BALL、TIME、WIFI和ICONS页面，目标不再出现。选择0.75秒作为关键帧，因为方块边界清楚，内部三个横排圆点均可辨认。","start_frame":0,"end_frame":48,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[160,466,249,583],"positive_points":[[180,489],[184,524],[204,524],[224,524],[178,558],[232,560]],"negative_points":[[141,524],[267,524],[205,439],[205,612]],"evidence":"目标是“DOTS”标题下从左数第二个圆角黑色方块，内有横排三个明暗不同的圆点。边界框覆盖完整方块及其圆点；正点分布在圆点和黑色面板上，负点位于方块四周的外部背景。"}},{"name":"Dots animation tile 3","description":"Third tile under “DOTS”, showing three white dots that alternate between a horizontal line and a raised, bent arrangement.","membership":"The entire rounded black tile and all changing positions of its three dots.","id":"obj_013","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.25,"evidence":"目标是“DOTS”行从左数第三个圆角黑色方块，包含三个在水平排列与抬高弯折排列间变化的白点。首个合格帧为0.00秒，末个为1.75秒，方块及其内容均完整可见；起点已到视频开头，无更早采样帧。紧邻区间之后的2.00秒画面切换为BALL、TIME、WIFI和ICONS，目标不再出现。选择0.25秒为关键帧，三个白点呈清晰的弯折排列，完整无遮挡且易与邻近图块区分。","start_frame":0,"end_frame":48,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[278,466,367,583],"positive_points":[[290,487],[330,500],[308,524],[329,524],[351,548],[297,562]],"negative_points":[[256,521],[381,520],[321,443],[322,608]],"evidence":"目标是“DOTS”标题下从左数第三个圆角黑色动画块，内有三个呈弯折排列的白点。边界框覆盖整个黑色块及其白点；正点分布在三个白点和黑色表面，负点位于该块上下及左右的外部背景。"}},{"name":"Dots animation tile 4","description":"Fourth tile under “DOTS”, showing three horizontally aligned white dots that vary in size.","membership":"The entire rounded black tile, including the three dots throughout their size changes.","id":"obj_014","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标是“DOTS”行从左数第四个圆角黑色方块，内有三个横向排列、大小变化的白点，按整个图块识别。首个合格帧为0.00秒，末个为1.75秒，期间图块始终完整可见。区间从视频起点开始，无更早采样帧；紧邻的2.00秒帧已切换为BALL、TIME、WIFI、ICONS页面，目标消失。选择0.50秒为关键帧，图块边界清晰无遮挡，三个白点及其大小差异易于辨认。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[397,466,485,583],"positive_points":[[412,487],[467,480],[420,524],[440,524],[461,524],[446,561]],"negative_points":[[324,525],[558,525],[440,427],[440,629]],"evidence":"目标为“DOTS”标题下从左数第四个圆角黑色方块，内有三个水平排列、大小不同的白点。边界框覆盖整个黑色圆角底板及白点；正点分布在底板和三个白点上，负点位于左右相邻图块及目标上下的外部背景。"}},{"name":"Dots animation tile 5","description":"Fifth tile under “DOTS”, showing a small moving dot beside two larger white dots.","membership":"The entire rounded black tile and every dot belonging to its animation.","id":"obj_015","temporal":{"status":"found","start_s":0.0,"end_s":2.0,"reference_s":0.0,"evidence":"目标是“DOTS”行从左数第五个圆角黑色方块，包含一个运动小点和两个较大的白点。首个合格帧为0.00秒，末个为1.75秒，期间方块完整，点的位置变化属于内部动画。区间起于视频开头，无更早采样帧；紧邻的2.00秒帧��切换为BALL、TIME、WIFI、ICONS页面，目标消失。选择0.00秒为关键帧，因为整个方块及三个大小有别的点均清晰可见、无遮挡。","start_frame":0,"end_frame":48,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[515,466,603,583],"positive_points":[[537,524],[559,524],[580,524],[534,490],[585,556],[535,563]],"negative_points":[[441,524],[677,524],[559,432],[559,620]],"evidence":"目标是“DOTS”下从左数第五个圆角黑色方块，内有一个小白点和两个较大白点。边界框覆盖整块黑色底板及其动画圆点；正点分布在三个圆点和底板表面，负点位于左右相邻方块及目标上下的外部背景。"}},{"name":"Dots animation tile 6","description":"Sixth tile under “DOTS”, showing white dots that gather into a single overlapping spot and spread into a triangular cluster.","membership":"The entire rounded black tile and the complete dot cluster through separation and overlap.","id":"obj_016","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.75,"evidence":"目标为“DOTS”行从左数第六个圆角黑色方块，白点在单个重叠亮点与三角形点簇之间变化。首个合格帧为0.00秒，方块和点簇已完整呈现；最后合格帧为1.75秒。区间前已到视频起点，无更早帧；紧邻的2.00秒帧切换为BALL、TIME、WIFI和ICONS页面，目标不再出现。选择0.75秒为关键帧，三个白点分离成清晰三角形，完整方块无遮挡，便于标注。","start_frame":0,"end_frame":48,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[633,465,722,583],"positive_points":[[678,504],[660,536],[692,540],[646,484],[708,488],[679,567]],"negative_points":[[559,524],[795,524],[678,435],[677,611]],"evidence":"目标是“DOTS”标题下从左数第六个圆角黑色方块，内有三个呈三角形分布的白点。边界框覆盖整个黑色圆角 tile 及白点；正点分布在白点和方块表面，负点位于左右相邻方块及目标上下的外部背景。"}},{"name":"Dots animation tile 7","description":"Seventh tile under “DOTS”, containing three dots in a compact triangular arrangement with changing brightness and orientation.","membership":"The entire rounded black tile, including all three animated dots.","id":"obj_017","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0,"evidence":"目标是“DOTS”行从左数第七个黑色圆角方块，内含紧凑三角排列、亮度和朝向变化的三个点，按整个方块识别。首个合格帧为0.00秒，末个为1.75秒，期间方块及三个点持续完整可见；2.00秒画面已替换为BALL、TIME、WIFI、ICONS布局，目标消失。区间从视频起点开始，无更早采样帧。选择0.00秒为关键帧，方块边界清晰，三个点分离且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[751,466,840,583],"positive_points":[[779,510],[811,510],[795,544],[766,487],[824,559],[768,558]],"negative_points":[[677,524],[913,524],[794,432],[794,619]],"evidence":"目标是“DOTS”行从左数第七个圆角黑色方块，内部三点呈紧凑三角形排列。边界框覆盖整个方块及三个圆点；正点分布在圆点和黑色面板表面，负点位于左右相邻方块及目标上下的外部背景。"}},{"name":"Dots animation tile 8","description":"Rightmost tile under “DOTS”, showing a short horizontal group of dots that change brightness, size, and spacing.","membership":"The entire rounded black tile and all dots within its animation.","id":"obj_018","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0,"evidence":"目标是“DOTS”行最右侧第8个圆角黑色方块及其中横向排列的动态圆点。首个合格帧为0.00秒，方块边界和圆点已完整呈现；最后合格帧为1.75秒，其间仅圆点亮度、大小及间距变化。2.00秒画面切换为BALL、TIME、WIFI和ICONS分类，目标不再出现。区间起于视频开头，无更早采样帧。选择0.00秒作为关键帧，目标完整清晰、无遮挡，易与相邻方块区分。","start_frame":0,"end_frame":48,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[869,465,959,583],"positive_points":[[891,524],[913,524],[934,524],[886,488],[943,493],[909,562]],"negative_points":[[849,523],[979,523],[914,437],[914,611]],"evidence":"目标是“DOTS”标题下最右侧的第8个动画方块，内有三个横向排列、亮度不同的圆点。边界框覆盖整个黑色圆角方块及其中圆点；正点分布在圆点和方块表面，负点位于方块四周的外部背景。"}},{"name":"FADE CIRCLES heading","description":"White uppercase heading above the first gallery’s bottom row of pulsing circles and rings.","membership":"The complete text “FADE CIRCLES”, excluding the background and animation tiles.","id":"obj_019","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标是第一组图库底行圆形动画上方的白色大写文字“FADE CIRCLES”��不含背景及动画方块。首个合格帧为0.00秒，文字已完整显示；最后合格帧为1.75秒。区间始于视频开头，没有更早帧；紧邻的2.00秒帧已切换为BALL、TIME、WIFI、ICONS图库，目标消失。选择0.50秒为关键帧，文字清晰完整、无遮挡，便于标注。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[40,637.57,173,657.41],"positive_points":[[44,638.89],[54,649.47],[80,654.76],[96,638.89],[113,648.15],[166,654.76]],"negative_points":[[104,611.11],[190,646.83],[85,738.1],[55,432.54]],"evidence":"目标是底部圆形与圆环展示行上方的白色大写标题“FADE CIRCLES”。边界框紧贴完整文字，正点分布于各处字母笔画；负点位于标题外背景、下方动画图块及上方的其他标题。"}},{"name":"Fade circles animation tile 1","description":"Leftmost tile under “FADE CIRCLES”, where a central spot expands into a pale disk with a gray halo and fades away.","membership":"The entire rounded black tile, including the central disk and its expanding, fading halo.","id":"obj_020","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标是“FADE CIRCLES”下最左侧的完整黑色圆角方块，包含内部扩张、消退的圆点与光晕。首个合格帧为0.00秒，方块边界已完整建立，内部暂为空不影响整体身份；最后合格帧为1.75秒。2.00秒画面换为BALL、TIME等分组，目标不再出现。区间起于视频开头，没有更早采样帧。选择0.50秒作为关键帧，因为中央浅色圆盘及灰色光晕清晰，方块无遮挡。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[42,680,131,798],"positive_points":[[55,703],[112,703],[55,778],[113,779],[85,738],[65,744]],"negative_points":[[23,740],[145,741],[86,823],[202,739]],"evidence":"目标是“FADE CIRCLES”标题下最左侧的圆角黑色动画格。边界框覆盖整个黑色格及中央浅色圆盘、灰色光晕；正点分布于格内底色、圆盘和光晕，负点位于格外背景及右侧相邻动画格。"}},{"name":"Fade circles animation tile 2","description":"Second tile under “FADE CIRCLES”, containing a large pulsing disk that alternates between bright white, gray, and near invisibility.","membership":"The entire rounded black tile and all visible phases of the pulsing circle.","id":"obj_021","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标为“FADE CIRCLES”行从左数第二个黑色圆角方块，包含内部明暗、大小变化的脉动圆盘。方块在0.00秒已完整建立，至1.75秒仍存在；圆盘暂时隐去不影响整块目标的连续性。起点即视频开头，无更早采样帧；后一帧2.00秒已切换为BALL、TIME、WIFI和ICONS布局，目标消失。选择0.50秒作为关键帧，圆盘明亮且完整，方块边界清楚，便于标注。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[160,680,249,798],"positive_points":[[177,697],[231,703],[169,766],[234,781],[198,725],[210,760]],"negative_points":[[145,737],[270,738],[204,649],[322,738]],"evidence":"目标是“FADE CIRCLES”标题下从左数第二个圆角黑色方块，内有明亮的大实心圆。边界框紧贴整个方块；正点分布在圆盘和黑色面板上，负点位于方块外的背景及右侧相邻图块。"}},{"name":"Fade circles animation tile 3","description":"Third tile under “FADE CIRCLES”, showing a tiny central dot developing into a white ring that expands and thins.","membership":"The entire rounded black tile, including the changing dot or ring and the area enclosed by the ring.","id":"obj_022","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标是“FADE CIRCLES”行从左数第三个圆角黑色方块，包含内部变化的点、白环及环内区域。方块在0.00秒已完整呈现，至1.75秒仍完整可见；内部圆环的生成和消失不影响整个 tile 的持续存在。2.00秒画面替换为 BALL、TIME 等图标，目标不再出现。起点为视频开头，没有更早采样帧。选择0.50秒为关键帧，此时白环清晰，方块边界完整且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[278,680,367,798],"positive_points":[[292,702],[351,705],[303,738],[341,741],[294,776],[348,779]],"negative_points":[[261,740],[382,741],[322,651],[322,825]],"evidence":"目标是“FADE CIRCLES”标题下从左数第三个圆角黑色动画方块，中央显示白色圆环。边界框覆盖整个方块；正点分布在黑色面板及白色圆环上，负点位于方块左右间隔和上下外部背景。"}},{"name":"Fade circles animation tile 4","description":"Fourth tile under “FADE CIRCLES”, containing a centered solid circle that grows, dims, and disappears.","membership":"The entire rounded black tile and its expanding and fading solid circle.","id":"obj_023","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.5,"evidence":"目标是“FADE CIRCLES”行从左数第四个圆角黑色 tile，包含中央实心圆。黑色面板在0.00秒已完整建立，内部圆的放大、变暗及消失不改变面板身份；最后符合帧为1.75秒。2.00秒画面切换为BALL、TIME等行，目标不再出现，因此区间结束于2.00秒。起点为视频开头，无更早采样帧。选择0.50秒作为关键帧，面板边界和中央实心圆均清晰可见。","start_frame":0,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[397,680,486,798],"positive_points":[[409,702],[469,703],[411,771],[470,778],[430,728],[452,749]],"negative_points":[[377,738],[501,739],[440,651],[440,823]],"evidence":"目标是“FADE CIRCLES”标题下从左数第四个黑色圆角方块，中央显示浅灰色实心圆。边界框覆盖整个方块及圆形；正点分布在方块表面和实心圆上，负点位于方块四周的外部背景。"}},{"name":"Fade circles animation tile 5","description":"Fifth tile under “FADE CIRCLES”, distinguished by a bright white center surrounded by a broad gray pulsing disk.","membership":"The entire rounded black tile, including the central dot and all surrounding halo content.","id":"obj_024","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0,"evidence":"目标为“FADE CIRCLES”行从左数第五个黑色圆角方块，内有明亮白色中心及宽灰色脉动光晕。整个方块在0.00秒已完整出现，持续至最后合格帧1.75秒；内部光晕变化不影响方块身份。2.00秒画面切换为BALL、TIME、WIFI和ICONS布局，目标消失。区间起点即视频开头，无更早帧。选择0.00秒作为关键帧，方块边界、白色中心及灰色光晕均清晰且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[515,680,603,798],"positive_points":[[528,699],[587,702],[558,738],[577,750],[529,779],[587,778]],"negative_points":[[441,738],[677,738],[558,649],[558,827]],"evidence":"目标是“FADE CIRCLES”下从左数第五块，具有白色中心点和宽灰色光晕。边框紧贴整个黑色圆角方块，包含中心点及光晕；正点分布在方块表面、白点和灰色光晕上，负点位于左右相邻方块及目标上下的外部背景。"}},{"name":"Fade circles animation tile 6","description":"Sixth tile under “FADE CIRCLES”, showing a white central dot with a thin expanding circular outline.","membership":"The entire rounded black tile, including the center dot, surrounding ring, and enclosed area.","id":"obj_025","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.75,"evidence":"目标是“FADE CIRCLES”行从左数第六个圆角黑色方块，内有白色中心点及细圆环。整个方块从0.00秒起已完整呈现，至1.75秒仍持续可见，内部圆环变化不影响其身份。区间之前无采样帧；紧接的2.00秒画面已换为BALL、TIME、WIFI和ICONS布局，目标消失。选择0.75秒作为关键帧，方块边界、中心点和细圆环清晰且无遮挡。","start_frame":0,"end_frame":48,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[633,680,722,798],"positive_points":[[647,700],[702,700],[677,738],[656,744],[650,777],[704,776]],"negative_points":[[610,738],[742,738],[677,651],[677,824]],"evidence":"目标是“FADE CIRCLES”下方从左数第六个圆角黑色方块，内有白色中心点和细圆环。边界框覆盖整个方块；正点分布于黑色表面、中心点及圆环，负点位于方块四周的外部背景。"}},{"name":"Fade circles animation tile 7","description":"Seventh tile under “FADE CIRCLES”, showing a prominent white outline circle with changing diameter and occasional inner ring.","membership":"The entire rounded black tile and all concentric ring content, including enclosed areas.","id":"obj_026","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0.25,"evidence":"目标为“FADE CIRCLES”行从左数第七个圆角黑色方块，内有白色轮廓圆及偶现的同心内环。首个合格帧为0.00秒，末个为1.75秒，期间方块边界完整，环的直径变化不影响其身份。区间到达视频起点，之前无采样帧；紧邻的2.00秒帧已替换为BALL、TIME、WIFI和ICONS布局，目标消失。选择0.25秒作关键帧，方块及内外双环清晰完整、无遮挡。","start_frame":0,"end_frame":48,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[751,680,840,798],"positive_points":[[766,700],[823,702],[795,708],[773,746],[795,739],[821,781]],"negative_points":[[677,739],[913,739],[795,643],[859,749]],"evidence":"目标是“FADE CIRCLES”下方从左数第七个圆角黑色方块，内有明显的白色外环和较小内环。边界框紧贴整个方块；正点覆盖黑色表面、圆环及其包围区域，负点位于相邻方块和目标外部背景。"}},{"name":"Fade circles animation tile 8","description":"Rightmost tile under “FADE CIRCLES”, showing concentric rings whose sizes and brightness change.","membership":"The entire rounded black tile, including both inner and outer rings and their enclosed areas.","id":"obj_027","temporal":{"status":"found","start_s":0,"end_s":2,"reference_s":0,"evidence":"目标是“FADE CIRCLES”行最右侧的圆角黑色方块，内部有大小和亮度变化的同心圆环。首个合格帧为0.00秒，末个为1.75秒；期间方块边界始终完整，圆环变化属于内部动画。区间从视频开头开始，无更早帧；紧邻的2.00秒帧已切换为BALL、TIME、WIFI和ICONS页面，目标消失。选择0.00秒作关键帧，因完整方块及内外圆环清晰、无遮挡。","start_frame":0,"end_frame":48,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[869,680,958,798],"positive_points":[[882,699],[943,706],[887,743],[914,739],[934,765],[883,780]],"negative_points":[[842,741],[913,647],[982,741],[795,738]],"evidence":"目标是“FADE CIRCLES”下方最右侧、带同心圆环的第8个黑色圆角方块。边界框覆盖整个方块；正点分布在方块表面、圆环及其包围区域，负点位于方块外背景和左侧相邻方块上。"}},{"name":"BALL heading","description":"White uppercase heading above the second gallery’s top row of ball animations; it remains partly visible in the final tighter view.","membership":"The complete text “BALL”, excluding the background, tiles, and overlaid uploader watermark.","id":"obj_028","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.25,"evidence":"目标是第二组画廊顶部球动画上方的白色大写文字“BALL”，不包含水印。首个合格帧为2.00秒；此前1.75秒仍是CIRCLE等标题的画廊，没有BALL。最后合格帧为3.75秒，紧缩视图中该标题仍可辨认，虽与上传者水印部分重叠，但未见退出或擦除。区间延伸至视频结束4.00秒，之后没有采样帧。选择2.25秒作为关键帧，标题完整清晰且无遮挡。","start_frame":48,"end_frame":96,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[41,95,89,115],"positive_points":[[43,100],[48,110],[57,101],[60,108],[68,111],[84,112]],"negative_points":[[24,106],[110,106],[55,66],[86,167]],"evidence":"目标是左上方、第一排球动画上方的白色大写“BALL”。边界框紧贴完整四个字母；六个正点分布在字母笔画上，负点位于文字外背景、上方上传者水印及下方动画球上，均不包含在目标中。"}},{"name":"Ball animation tile 1","description":"Leftmost tile under “BALL”, containing a small white ball moving vertically, sometimes with a dim trailing spot beneath it.","membership":"The entire rounded black tile, including the ball and its associated trailing marks.","id":"obj_029","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.75,"evidence":"目标是“BALL”标题下最左侧的完整黑色圆角方块，内有上下运动的小白球，部分帧带暗色拖影。首个合格帧为2.00秒；此前1.75秒仍是CIRCLE等动画页面，没有该目标。最后合格帧为3.75秒，版面虽缩放重排，该方块仍完整可见；区间到达视频结尾，无后续采样帧。选择2.75秒作为关键帧，方块边界、白球及其下方暗色拖影清晰可辨。","start_frame":48,"end_frame":96,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[41,138,131,255],"positive_points":[[58,158],[111,159],[60,232],[112,232],[86,208],[86,225]],"negative_points":[[25,196],[145,196],[84,280],[204,198]],"evidence":"目标是“BALL”下方最左侧的黑色圆角动画方块。边界框覆盖整个方块，包括白色小球及下方灰色拖影；正点分布在方块表面、小球和拖影上，负点位于方块外背景及右侧相邻方块。"}},{"name":"Ball animation tile 2","description":"Second tile under “BALL”, showing a vertically bouncing white ball above a small gray oval shadow.","membership":"The entire rounded black tile, including the moving ball and its oval shadow.","id":"obj_030","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.5,"evidence":"目标是“BALL”行第二个圆角黑色方块，包含上下弹跳的白球和灰色椭圆阴影。首个合格帧为2.00秒；前一帧1.75秒仍是CIRCLE、DOTS和FADE CIRCLES页面，没有该目标。至3.75秒画面放大重排后，该方块仍完整可见，属于同一连续展示，因此末个合格帧为3.75秒，区间延续至视频结束4.00秒，无后续帧。选择2.50秒作为关键帧，方块边界、白球及阴影清晰且无遮挡。","start_frame":48,"end_frame":96,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[159,138,249,257],"positive_points":[[204,194],[204,230],[177,162],[232,163],[176,232],[231,234]],"negative_points":[[143,195],[264,195],[204,116],[204,286]],"evidence":"目标是“BALL”标题下从左数第二个圆角黑色方块，内有白色小球及其下方灰色椭圆阴影。边界框覆盖整个黑色圆角 tile；正点分布在小球、阴影及黑色面板上，负点位于方块四周的外部背景。"}},{"name":"Ball animation tile 3","description":"Third tile under “BALL”, showing a small white ball shifting sideways and vertically above a gray ground shadow.","membership":"The entire rounded black tile, including the ball and all shadow content.","id":"obj_031","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.25,"evidence":"目标是“BALL”行从左数第三个圆角黑色方块，包含上下及横向移动的小白球和灰色地面阴影。首个合格帧为2.00秒；此前1.75秒仍是CIRCLE、DOTS和FADE CIRCLES页面，没有目标。目标持续完整显示至3.75秒，末帧虽重新取景，第三个BALL方块仍完整可见，因此区间延续至视频结束4.00秒，边界外无后续帧。选择2.25秒作为关键帧，方块边界、白球和阴影清楚且无遮挡。","start_frame":48,"end_frame":96,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[278,138,367,257],"positive_points":[[321,167],[310,230],[292,159],[350,164],[291,235],[350,238]],"negative_points":[[263,198],[383,198],[322,119],[322,279]],"evidence":"目标是“BALL”下从左数第三个圆角黑色方块，内有白色小球及灰色地面阴影。边界框覆盖整个黑色方块；六个正点分布在小球、阴影和方块表面，四个负点位于方块外上下左右的背景。"}},{"name":"Ball animation tile 4","description":"Fourth tile under “BALL”, containing a centered white ball that rises and falls above a dim oval shadow.","membership":"The entire rounded black tile, including the bouncing ball and changing shadow.","id":"obj_032","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.25,"evidence":"目标为“BALL”标题下从左数第四个圆角黑色方块，包含上下弹跳的白球及变化的暗椭圆阴影。首个合格帧为2.00秒，方块边界已完整呈现；此前1.75秒仍为CIRCLE、DOTS和FADE CIRCLES页面，没有目标。最后合格帧为3.75秒，画面虽重新取景，但同一BALL行第四块仍完整可见，因此持续至视频结束4.00秒，之后无采样帧。选择2.25秒作为关键帧，方块、白球和阴影均清楚且无遮挡。","start_frame":48,"end_frame":96,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[397,138,486,257],"positive_points":[[440,181],[414,158],[471,167],[413,231],[469,234],[440,230]],"negative_points":[[380,195],[501,193],[441,113],[441,281]],"evidence":"目标是“BALL”标题下从左数第四个圆角黑色方块，内有白球和下方暗淡椭圆影子。边界框覆盖整块黑色底板；六个正点分布在白球、影子及底板各处，四个负点位于该方块上下左右的外部背景。"}},{"name":"Ball animation tile 5","description":"Fifth tile under “BALL”, showing a bouncing white shape that appears round, stretched, or square-like in different phases, above a gray shadow.","membership":"The entire rounded black tile and its changing white shape and shadow; all shape phases remain contents of this tile.","id":"obj_033","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.25,"evidence":"目标为“BALL”行从左数第五个圆角黑色方块，内有变形弹跳的白色形状及灰色阴影。首个合格帧为2.00秒，此前1.75秒仍是CIRCLE、DOTS和FADE CIRCLES页面，没有目标。至3.75秒画面布局缩放后，该方块仍完整可见，内部变为方形不影响身份，故区间延续至视频结束4.00秒；结束后无采样帧。选择2.25秒作为关键帧，方块边界、白色形状和下方阴影清楚且无遮挡。","start_frame":48,"end_frame":96,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[514,138,604,257],"positive_points":[[558,180],[558,230],[528,158],[589,157],[530,235],[588,234]],"negative_points":[[496,198],[618,198],[559,117],[559,282]],"evidence":"目标是“BALL”下从左数第五个圆角黑色方块，内有白色近方形及下方灰色阴影。边界框覆盖整个黑色磁贴；正点分布于白色形状、阴影和磁贴表面，负点位于磁贴四周的外部背景。"}},{"name":"Ball animation tile 6","description":"Sixth tile under “BALL”, distinguished by a much larger white ball with a dark curved inset that changes orientation.","membership":"The entire rounded black tile, including the large ball and the curved detail within it.","id":"obj_034","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.25,"evidence":"目标为“BALL”行第六个圆角黑色方块，内有明显较大的白球及随动画转向的深色弧形凹纹。首个合格帧为2.00秒；此前1.75秒仍是CIRCLE、DOTS和FADE CIRCLES页面，目标未出现。最后合格帧为3.75秒，画面裁切和布局展示改变后，该方块仍完整可见；区间到达视频结尾，没有后续采样帧。选择2.25秒作为关键帧，方块边界、白球与弧形细节清楚且无遮挡。","start_frame":48,"end_frame":96,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[632,138,722,257],"positive_points":[[648,158],[705,158],[647,235],[705,236],[677,202],[679,181]],"negative_points":[[558,197],[795,197],[676,117],[616,202]],"evidence":"目标是“BALL”行从左数第六个圆角黑色方块，内有明显较大的白球及深色弧形细节。框覆盖整个黑色方块；正点分布于方块表面、白球和弧形细节，负点位于相邻方块及目标外的背景。"}},{"name":"Ball animation tile 7","description":"Seventh tile under “BALL”, showing a smaller white ball with a curved dark detail moving horizontally.","membership":"The entire rounded black tile and the complete moving ball, including its internal curved detail.","id":"obj_035","temporal":{"status":"found","start_s":2.0,"end_s":3.75,"reference_s":2.5,"evidence":"目标是“BALL”行从左数第七个圆角黑色方块，内有带深色弧形细节、水平移动的小白球。首个合格帧为2.00秒，最后合格帧为3.50秒，方块和小球均完整可见。前一帧1.75秒仍是CIRCLE等动画页面；后一帧3.75秒画面仅展示BALL行前六个方块，目标已不在画面中。选择2.50秒作为关键帧，小球及内部弧形细节清楚，整个方块无遮挡。","start_frame":48,"end_frame":90,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[751,138,841,257],"positive_points":[[770,161],[819,164],[771,229],[818,231],[789,195],[813,197]],"negative_points":[[735,197],[856,197],[795,113],[795,282]],"evidence":"目标是“BALL”下从左数第七个圆角黑色方块，其中有带深色弧形细节的小白球。边界框覆盖完整黑色磁贴及球体；六个正点分布在磁贴表面和球体上，四个负点位于磁贴四周的外部背景。"}},{"name":"Ball animation tile 8","description":"Rightmost tile under “BALL”, containing two small white balls that approach, overlap, and separate.","membership":"The entire rounded black tile and both balls, including their internal curved details and overlapping phases.","id":"obj_036","temporal":{"status":"found","start_s":2.0,"end_s":3.75,"reference_s":2.5,"evidence":"目标为“BALL”行最右侧的圆角黑色 tile，内有两颗带弧形细节的白球，连续呈现靠近、重叠和分离。首个合格帧为2.00秒，最后为3.50秒，面板及双球均完整可见；前一帧1.75秒仍为CIRCLE等分类，目标尚未出现，后一帧3.75秒改为六列构图，目标已不在画面中。选择2.50秒作为关键帧，两球分离、轮廓清晰且无遮挡。","start_frame":48,"end_frame":90,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[869,138,958,257],"positive_points":[[885,158],[944,161],[896,197],[930,197],[886,238],[942,238]],"negative_points":[[814,197],[914,112],[979,198],[914,294]],"evidence":"目标是“BALL”下方最右侧、含两颗白色小球的圆角黑色方块。边界框覆盖完整方块及两球和内部弧形细节；正点分布在两球及方块表面，负点位于左侧相邻方块和目标上、右、下方的外部背景。"}},{"name":"TIME heading","description":"White uppercase heading above the second gallery’s row of clocks, pendulums, and an hourglass.","membership":"The complete text “TIME”, excluding the background and neighboring graphics.","id":"obj_037","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.25,"evidence":"目标是时钟、钟摆和沙漏图标行上方完整的白色大写“TIME”。首个合格帧为2.00秒；此前1.75秒仍是第一组图标，没有该标题。标题持续可见至3.75秒，最后一帧虽重新取景，文字仍完整，因此区间延至视频结束4.00秒，之后无采样帧。选择2.25秒作为关键帧，标题清晰、无遮挡，且与邻近图形易于区分。","start_frame":48,"end_frame":96,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[40,310,91,331],"positive_points":[[46,314],[46,325],[56,319],[63,320],[74,325],[84,328]],"negative_points":[[29,320],[103,320],[65,294],[65,344]],"evidence":"目标是第二排时钟、摆钟和沙漏图标上方的白色大写“TIME”。边界框紧贴完整文字，六个正点分布在四个字母的笔画上；四个负点位于文字左、右、上、下的外部背景，不包含相邻图形或字母内部空隙。"}},{"name":"Large clock animation tile","description":"Leftmost tile under “TIME”, containing a large white circular clock face with rotating hands.","membership":"The entire rounded black tile, including the clock rim, enclosed face, and moving hands.","id":"obj_038","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.5,"evidence":"目标是“TIME”行最左侧的完整黑色圆角方块，内含大型白色钟圈及旋转指针。首个合格帧为2.00秒；前一帧1.75秒仍为圆环与圆点展示页，没有该目标。至3.75秒页面虽重新取景，目标方块仍完整可见，为最后合格帧；区间延续至视频结束4.00秒，之后无采样帧。选择2.50秒作为关键帧，方块、钟圈和指针清楚且无遮挡。","start_frame":48,"end_frame":96,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[41,353,130,471],"positive_points":[[54,369],[115,377],[58,450],[113,452],[85,419],[87,378]],"negative_points":[[22,410],[145,405],[85,331],[85,497]],"evidence":"目标是“TIME”下方最左侧、带大号白色圆形时钟的黑色圆角 tile。边界框覆盖整个黑色 tile；正点分布于其黑色表面、钟圈及内部指针区域，负点位于 tile 四周的外部背景。"}},{"name":"Medium clock animation tile","description":"Second tile under “TIME”, containing a smaller white outline clock whose hands rotate and whose face changes slightly in size.","membership":"The entire rounded black tile and the complete animated clock, including its enclosed face.","id":"obj_039","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.5,"evidence":"目标为“TIME”行从左数第二个圆角黑色方块，内含白色轮廓的中等大小时钟及旋转指针。2.00秒首次完整出现，至3.75秒末帧仍完整可见；期间钟面大小和指针变化不影响完整性。此前1.75秒显示另一组圆圈动画，没有该目标。区间到达视频结尾，无后续采样帧。选择2.50秒作为关键帧，方块边界、钟面和指针清晰且无遮挡。","start_frame":48,"end_frame":96,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[159,353,249,471],"positive_points":[[176,375],[232,375],[175,450],[230,450],[204,413],[183,410]],"negative_points":[[143,412],[263,412],[204,331],[204,493]],"evidence":"目标是“TIME”下方从左数第二个黑色圆角方块，内有较小的白色描边时钟。边界框覆盖整个方块及完整钟面；正点分布在方块表面、时钟轮廓和钟面内，负点位于方块四周的外部背景。"}},{"name":"Small clock animation tile","description":"Third tile under “TIME”, showing a small white clock that shifts vertically, sometimes with a faint shadow beneath it.","membership":"The entire rounded black tile, including the clock, enclosed face, hands, and associated shadow.","id":"obj_040","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.5,"evidence":"目标是“TIME”行第三个圆角黑色方块，内有上下移动的小白色时钟及偶现的淡影。首个合格帧为2.00秒，前一帧1.75秒仍是圆环、圆点等另一组图标，尚无目标。目标持续到末帧3.75秒，此时版面缩放重排，但该时钟方块仍完整可见；视频结束后无采样帧。选择2.50秒作为关键帧，方块边界及钟面、指针清晰，无遮挡。","start_frame":48,"end_frame":96,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[278,353,367,471],"positive_points":[[293,377],[349,378],[291,444],[350,450],[322,420],[322,390]],"negative_points":[[204,414],[440,414],[323,321],[323,511]],"evidence":"目标是“TIME”下方第三个圆角黑色方块，内有小白色时钟。边界框紧贴整块黑色瓷砖，包含钟面、指针及内部区域；正点分布在瓷砖表面和时钟上，负点位于左右其他时钟瓷砖及上下外部背景。"}},{"name":"Pendulum animation tile","description":"Fourth tile under “TIME”, showing a thin white rod swinging from a small upper pivot with an outlined circular weight at its lower end.","membership":"The entire rounded black tile, including the pivot, swinging rod, and circular weight with its enclosed center.","id":"obj_041","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.25,"evidence":"目标是“TIME”行第四个圆角黑色方块，内有小上支点、细白摆杆和带中心结构的圆环摆锤。首个合格帧为2.00秒，此前1.75秒仍为圆圈和圆点动画页面，未见目标。至3.75秒最后一帧，页面虽重排裁切，该摆钟方块仍完整可见，摆动不影响其完整性；区间延续至视频结束4.00秒，无后续帧。选择2.25秒作为关键帧，方块边界及摆杆、摆锤清楚且无遮挡。","start_frame":48,"end_frame":96,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[396,353,486,471],"positive_points":[[413,375],[469,376],[412,444],[475,447],[441,379],[462,434]],"negative_points":[[377,410],[501,410],[440,325],[440,500]],"evidence":"目标是“TIME”行第四个黑色圆角方块，内有上端小支点、细摆杆和下端圆形摆锤。边界框紧贴整块黑色圆角瓷砖；正点覆盖瓷砖表面及支点、摆锤，负点位于瓷砖四周的外部背景。"}},{"name":"Single-pendulum house clock tile","description":"Fifth tile under “TIME”, containing a house-shaped outline clock with a circular face and one swinging pendulum below.","membership":"The entire rounded black tile, including the house-shaped clock body, enclosed face, and complete pendulum.","id":"obj_042","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.5,"evidence":"目标是“TIME”行第五个圆角黑色方块，内含房屋形钟体、圆形表盘和一根完整摆锤，与右侧双摆锤时钟区分明确。首个合格帧为2.00秒；前一帧1.75秒仍是圆环和圆点展示页，没有目标。至最后��样帧3.75秒，虽画面重新取景，目标方块及单摆时钟仍完整可见，故区间延续至视频结束4.00秒，之后无采样帧。选择2.50秒为关键帧，目标结构清晰且无遮挡。","start_frame":48,"end_frame":96,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[514,353,604,472],"positive_points":[[529,374],[588,376],[557,401],[560,445],[531,454],[587,452]],"negative_points":[[440,412],[676,411],[559,320],[558,503]],"evidence":"目标是“TIME”行第五个圆角黑色方块，内有房屋轮廓钟面及下方单根钟摆。边界框覆盖完整黑色瓷砖；六个正点分布在瓷砖表面、钟面和钟摆上，四个负点位于左右相邻瓷砖及上下外部背景。"}},{"name":"Two-weight house clock tile","description":"Sixth tile under “TIME”, showing a house-shaped outline clock with a circular face and two hanging weighted elements beneath it.","membership":"The entire rounded black tile, including the clock body, face, and both hanging elements.","id":"obj_043","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.5,"evidence":"目标为“TIME”行第六个圆角黑色方块，内有房屋形钟身、圆形表盘及两条悬挂重锤。首个合格帧为2.00秒，前一帧1.75秒仍是圆环和圆点展示页，没有目标。目标持续出现至3.75秒，末帧虽重新取景，但整个方块及钟体结构仍完整可见；区间延伸至视频结束4.00秒，无后续帧。选择2.50秒作为关键帧，目标轮廓清楚、无遮挡，双重锤易于辨认。","start_frame":48,"end_frame":96,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[632,353,723,472],"positive_points":[[646,372],[705,377],[677,401],[683,438],[649,453],[706,453]],"negative_points":[[559,412],[795,412],[678,318],[678,512]],"evidence":"目标为“TIME”行第六个黑色圆角方块，内有房屋形钟体、圆形表盘和两个悬垂重锤。边界框覆盖整块黑色底板及其中图案；正点分布于底板、表盘和重锤，负点位于左右相邻图块及上下外部背景。"}},{"name":"Circular timer animation tile","description":"Seventh tile under “TIME”, containing a large white ring with an interior wedge that grows and recedes like a timer.","membership":"The entire rounded black tile, including the outer ring, enclosed face, and changing sector.","id":"obj_044","temporal":{"status":"found","start_s":2.0,"end_s":3.75,"reference_s":2.5,"evidence":"目标为“TIME”行第七个圆角黑色方块，内有大白色圆环及随时间变化的扇形。首个合格帧为2.00秒，最后为3.50秒；期间方块和圆环完整，内部扇形变化不影响其身份。前一帧1.75秒仍是CIRCLE、DOTS和FADE CIRCLES页面；后一帧3.75秒改为仅显示前六列的画面，目标已不在画面中。选择2.50秒作关键帧，目标边界、圆环和内部扇形清晰且无遮挡。","start_frame":48,"end_frame":90,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[751,353,841,472],"positive_points":[[766,375],[823,374],[774,411],[796,411],[789,449],[825,449]],"negative_points":[[732,411],[856,411],[795,323],[795,500]],"evidence":"目标是“TIME”行从左数第七个圆形计时器方块。边界框覆盖整个黑色圆角 tile，包含白色外环、内部表盘和扇形；六个正点分布在方块表面及计时器图案上，四个负点位于方块四周的外部背景。"}},{"name":"Hourglass animation tile","description":"Rightmost tile under “TIME”, showing a white outline hourglass that rotates between upright and tilted positions.","membership":"The entire rounded black tile, including the complete hourglass outline and its internal sand shapes.","id":"obj_045","temporal":{"status":"found","start_s":2.0,"end_s":3.75,"reference_s":2.5,"evidence":"目标是“TIME”行最右侧的圆角黑色瓷砖，内有白色轮廓及沙粒形状的沙漏。首个合格帧为2.00秒，瓷砖及倾斜沙漏均已完整呈现；旋转期间持续符合条件，最后合格帧为3.50秒。前一帧1.75秒仍是圆环、圆点等动画页面，没有该目标；后一帧3.75秒切换为仅显示前六列的版面，沙漏瓷砖不再可见。选择2.50秒作关键帧，沙漏直立、轮廓清楚且无遮挡。","start_frame":48,"end_frame":90,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[869,353,959,471],"positive_points":[[882,372],[944,375],[882,449],[944,448],[912,383],[913,441]],"negative_points":[[795,413],[913,517],[979,410],[913,314]],"evidence":"目标是“TIME”行最右侧、带白色沙漏的黑色圆角方块。边界框紧贴整个图块，包含沙漏轮廓及内部沙形；正点分布于图块表面和沙漏上，负点位于图块外背景及左侧相邻时钟图块。"}},{"name":"WIFI heading","description":"White uppercase heading above the second gallery’s row of wireless signal animations.","membership":"The complete text “WIFI”, excluding the background and the signal tiles below.","id":"obj_046","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.5,"evidence":"目标为第二组图集中无线信号动画行上方的白色大写文字“WIFI”，不含下方图标。首次完整出现于2.00秒，至3.75秒最后一帧仍完整可见；3.75秒虽画面布局缩放，标题仍清晰且连续存在。前一采样帧1.75秒为CIRCLE、DOTS和FADE CIRCLES图集，没有该标题。区间延续至视频结尾4.00秒，无后续采样帧。选择2.50秒作为关键帧，标题完整清晰、无遮挡，易与信号图标区分。","start_frame":48,"end_frame":96,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[40,525,87,546],"positive_points":[[43,530],[50,538],[61,534],[68,529],[70,536],[83,538]],"negative_points":[[28,536],[101,536],[65,507],[85,635]],"evidence":"目标是无线信号图标行上方、左侧的白色大写“WIFI”标题。边界框紧贴完整文字，六个正点分布在各字母笔画上；负点位于文字外侧背景及下方信号图块，排除背景和图标。"}},{"name":"Wi-Fi animation tile 1","description":"Leftmost tile under “WIFI”, containing a white base dot and curved signal bars that appear and fade above it.","membership":"The entire rounded black tile, including the dot and every animated signal arc.","id":"obj_047","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.75,"evidence":"目标是“WIFI”标题下最左侧的圆角黑色磁贴，包含白色基点及动态信号弧线。2.00秒首次出现时磁贴表面和边界已完整建立，内部弧线的出现与淡化不影响磁贴身份；3.75秒画面重排后该磁贴仍完整可见，为最后合格帧。前一帧1.75秒显示的是圆环和圆点动画页面，无此磁贴；区间到达视频末尾，无后续采样帧。选择2.75秒作为关键帧，此时磁贴、基点和信号弧线清晰且无遮挡。","start_frame":48,"end_frame":96,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[42,569,131,687],"positive_points":[[56,589],[115,593],[57,662],[115,666],[86,650],[82,620]],"negative_points":[[25,626],[145,626],[85,549],[85,710]],"evidence":"目标是“WIFI”标题下最左侧的黑色圆角磁贴，内有白色圆点和信号弧。边界框覆盖整个磁贴；正点分布在磁贴表面、圆点及弧线上，负点位于磁贴四周的外部背景。"}},{"name":"Wi-Fi animation tile 2","description":"Second tile under “WIFI”, showing a base dot with stacked arcs that build into a Wi-Fi symbol and dim in sequence.","membership":"The entire rounded black tile and all dot and curved-bar contents.","id":"obj_048","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.75,"evidence":"目标是“WIFI”行从左数第二个圆角黑色方块，包含底部圆点及逐层出现、变暗的弧线。2.00秒首次出现时方块边界已完整建立，内部动画不影响整块目标的成立；至3.75秒画面重新取景后，该第二块仍完整可见。前一帧1.75秒为CIRCLE、DOTS和FADE CIRCLES面板，没有目标。最后合格帧为3.75秒，区间延至视频末尾4.00秒，无后续帧。选择2.75秒为关键帧，此时弧线和底点清晰，方块完整且无遮挡。","start_frame":48,"end_frame":96,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[159,569,249,687],"positive_points":[[175,589],[231,597],[204,606],[188,627],[204,650],[222,671]],"negative_points":[[141,625],[265,625],[204,545],[204,713]],"evidence":"目标是“WIFI”标题下从左数第二个圆角黑色方块，内有多层弧线和底部圆点。边界框覆盖整个黑色磁贴及其图案；正点分布在磁贴表面、弧线和圆点上，负点位于磁贴四周的外部背景。"}},{"name":"Wi-Fi animation tile 3","description":"Third tile under “WIFI”, showing a broad three-arc Wi-Fi symbol whose bars alternate between gray and white.","membership":"The entire rounded black tile, including the base dot and complete set of changing signal arcs.","id":"obj_049","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.25,"evidence":"目标是“WIFI”行从左数第三个圆角黑色瓷砖，内有底点及灰白交替的三层信号弧。2.00秒首次出现时瓷砖边界已完整，内部弧线变化属于动画；3.75秒版面缩放后仍可对应同一瓷砖，为最后合格帧。此前1.75秒显示的是另一组圆圈动画，目标尚未出现；区间到达视频末尾，无后续采样帧。选择2.25秒作为关键帧，因三层弧线与底点清楚、瓷砖无遮挡。","start_frame":48,"end_frame":96,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[278,568,367,685],"positive_points":[[291,587],[351,588],[322,605],[310,631],[295,665],[351,666]],"negative_points":[[255,625],[383,625],[322,542],[322,717]],"evidence":"目标是“WIFI”标题下从左数第三个黑色圆角方块，内有宽幅三道信号弧和底部圆点。框覆盖整个方块及其信号图案；正点分布于图案和方块表面，负点位于方块四周的外部背景。"}},{"name":"Wi-Fi animation tile 4","description":"Fourth tile under “WIFI”, showing a vertical stack of white dots that develops into curved Wi-Fi bars.","membership":"The entire rounded black tile and all phases of its dot-to-signal animation.","id":"obj_050","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.25,"evidence":"目标是“WIFI”行从左数第四个圆角黑色方块，内部白色竖排圆点会变成弧形信号条。首个合格帧为2.00秒，方块表面及边界已完整建立；此前1.75秒仍是圆环动画页面，没有该目标。末个合格帧为3.75秒，画面重构后该方块仍完整可见，内部动画变化不影响其连续存在。区间到达视频结尾，无后续采样帧。选择2.25秒为关键帧，因为竖排白点和完整方块边界清晰，便于与相邻Wi-Fi图块区分。","start_frame":48,"end_frame":96,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[396,568,486,685],"positive_points":[[412,590],[466,593],[440,611],[441,650],[411,665],[470,660]],"negative_points":[[376,625],[505,625],[442,540],[442,714]],"evidence":"目标是“WIFI”标题下从左数第四个圆角黑色方块，当前显示竖排白点。边界框覆盖整个黑色图块及其中白点；正点分布于图块表面和白点上，负点位于图块四周的外部背景。"}},{"name":"Wi-Fi animation tile 5","description":"Fifth tile under “WIFI”, containing a centered Wi-Fi symbol that grows from a dot and one arc into multiple bright arcs.","membership":"The entire rounded black tile, including all dots and signal bars belonging to the animation.","id":"obj_051","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.75,"evidence":"目标是“WIFI”行从左数第五个圆角黑色方块，包含随动画变化的圆点和信号弧线。首个合格帧为2.00秒，黑色 tile 的完整边界已建立；此前1.75秒仍是圆圈动画页面，没有该目标。最后合格帧为3.75秒，画面虽重新取景，该第五块仍完整可见；区间到达视频末尾，无后续采样帧。选择2.75秒作为关键帧，此时多层明亮信号弧线清楚，方块无遮挡，便于标注。","start_frame":48,"end_frame":96,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[514,568,604,686],"positive_points":[[528,588],[588,589],[532,661],[588,663],[559,650],[557,603]],"negative_points":[[440,627],[676,627],[558,531],[558,735]],"evidence":"目标是“WIFI”标签下从左数第五个圆角黑色图块，内含白色圆点和多层信号弧线。边界框覆盖整个黑色图块；正点分布在图块表面及信号图案上，负点位于左右相邻图块和上下外部背景。"}},{"name":"Antenna animation tile 1","description":"Sixth tile under “WIFI”, containing a tall white antenna stem with a round tip and paired signal arcs that emerge on either side.","membership":"The entire rounded black tile, including the antenna stem, tip, and all radiating arcs.","id":"obj_052","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.5,"evidence":"目标是“WIFI”行第六个圆角黑色方块，内有白色天线杆、圆形顶端及两侧动态信号弧。首个合格帧为2.00秒，方块边界已完整建立；信号弧的变化属于内部动画。此前1.75秒显示的是圆环和圆点页面，没有该目标。最后合格帧为3.75秒，画面重新取景后同一天线方块仍完整可见；区间到达视频结尾，无后续采样帧。选择2.50秒作为关键帧，天线及两侧信号弧清晰完整、无遮挡。","start_frame":48,"end_frame":96,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[633,569,722,685],"positive_points":[[646,588],[678,583],[704,602],[677,636],[648,664],[702,666]],"negative_points":[[610,625],[739,624],[677,544],[677,713]],"evidence":"目标是“WIFI”行从左数第六个圆角黑色图块，内有白色长天线、圆形顶端及两侧信号弧。边界框紧贴整个图块；六个正点分布在图块表面及天线区域，四个负点位于图块外上下左右的背景间隔。"}},{"name":"Antenna animation tile 2","description":"Seventh tile under “WIFI”, showing a white upright antenna with symmetric curved signals that change spacing and brightness.","membership":"The entire rounded black tile and the complete antenna and radiating-wave animation.","id":"obj_053","temporal":{"status":"found","start_s":2.0,"end_s":3.75,"reference_s":2.5,"evidence":"目标是“WIFI”行第七个圆角黑色方块，内有白色竖直天线及左右对称、随动画改变亮度和间距的信号弧线。首个合格帧为2.00秒，末个为3.50秒；方块及天线结构完整，信号变化属于内部动画。前一帧1.75秒仍为圆环和圆点展示页；后一帧3.75秒改为仅展示前六列的版式，目标不再可见。选择2.50秒作为关键帧，此时天线和两侧弧线清晰完整且无遮挡。","start_frame":48,"end_frame":90,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[751,568,840,685],"positive_points":[[795,641],[773,607],[817,608],[764,659],[825,658],[794,585]],"negative_points":[[677,626],[913,626],[795,543],[795,718]],"evidence":"目标是“WIFI”行从左数第七个圆角黑色方块，内有白色直立天线及左右对称的信号弧线。边界框覆盖整块黑色底板和完整图标；正点分布在天线、信号弧线及底板上，负点位于左右相邻图块和上下外部背景。"}},{"name":"Antenna animation tile 3","description":"Rightmost tile under “WIFI”, showing a white antenna with paired inner and outer signal arcs that expand and contract.","membership":"The entire rounded black tile, including the antenna and all surrounding signal arcs.","id":"obj_054","temporal":{"status":"found","start_s":2.0,"end_s":3.75,"reference_s":2.25,"evidence":"目标是“WIFI”行最右侧的圆角黑色整块磁贴，内部为白色天线及成对的内外信号弧。首个合格帧为2.00秒，末个为3.50秒；期间磁贴边界完整，信号弧的伸缩不影响其身份。前一帧1.75秒仍是圆环和圆点页面；后一帧3.75秒改为缩窄展示，仅保留前六列，目标已不在画面中。选择2.25秒作关键帧，此时目标完整无遮挡，内外信号弧清晰。","start_frame":48,"end_frame":90,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[869,567,959,686],"positive_points":[[881,588],[896,610],[913,643],[938,607],[941,663],[884,668]],"negative_points":[[845,620],[979,621],[913,541],[913,719]],"evidence":"目标是“WIFI”行最右侧、带天线及内外成对信号弧的黑色圆角方块。边界框覆盖整个方块；六个正点分布在方块表面、天线和信号弧上，四个负点位于方块四周的外部背景。"}},{"name":"ICONS heading","description":"White uppercase heading above the second gallery’s bottom row of familiar interface and service icons.","membership":"The complete text “ICONS”, excluding its background and adjacent animation tiles.","id":"obj_055","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.25,"evidence":"目标是第二组图集中底部界面与服务图标上方的白色大写文字“ICONS”，不含背景及图标方块。首个合格帧为2.00秒；此前1.75秒仍为圆环、圆点等图集，没有该标题。标题持续完整可见至3.75秒，末帧虽重新取景但文字未被裁切，故区间延伸至视频结束4.00秒，之后无采样帧。选择2.25秒作为关键帧，标题清晰完整、无遮挡，且与下方图标易于区分。","start_frame":48,"end_frame":96,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[40,739,100,761],"positive_points":[[43,749],[49,750],[63,752],[71,745],[77,750],[94,742]],"negative_points":[[25,749],[112,750],[70,716],[86,846]],"evidence":"目标是底部接口与服务图标行上方的白色大写“ICONS”标题。边界框紧贴完整文字；六个正点分布在各字母笔画上，负点位于文字外围背景及下方独立的搜索图标上，不包含字母内部空隙。"}},{"name":"Search animation tile","description":"Leftmost tile under “ICONS”, showing a moving white outline magnifying glass.","membership":"The entire rounded black tile, including the magnifying-glass ring, enclosed lens area, and handle.","id":"obj_056","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.5,"evidence":"目标是“ICONS”行最左侧的圆角黑色磁贴，内含白色描边放大镜及手柄。首个合格帧为2.00秒；此前1.75秒仅显示圆圈、圆点等磁贴，目标尚未出现。目标持续完整可见至3.75秒，末帧虽重新取景，仍可确认是同一磁贴且未被裁切。区间延伸至视频末尾4.00秒，无后续采样帧。选择2.50秒作为关键帧，磁贴边界和放大镜轮廓清楚、无遮挡。","start_frame":48,"end_frame":96,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[42,783,131,901],"positive_points":[[56,805],[112,808],[57,883],[114,877],[63,848],[89,866]],"negative_points":[[24,839],[145,840],[85,757],[85,930]],"evidence":"目标是“ICONS”标题下最左侧、带白色放大镜的黑色圆角方块。边界框覆盖整个方块，包括镜圈、镜内区域和手柄；正点分布在方块表面与放大镜上，负点位于方块四周的外部背景。"}},{"name":"Mail animation tile","description":"Second tile under “ICONS”, containing a white outline envelope with short animated motion marks to its left.","membership":"The entire rounded black tile, including the complete envelope and its animated motion marks.","id":"obj_057","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.25,"evidence":"目标为“ICONS”行第二个圆角黑色方块，内有白色信封轮廓及左侧动态短线。首个合格帧为2.00秒；此前1.75秒画面尚无该图标行。最后合格帧为3.75秒，虽画面布局缩放且下方出现横幅，邮件方块仍完整可见。区间延续至视频结束，无后续采样帧。选择2.25秒作为关键帧，方块、信封和左侧运动线均清晰且无遮挡。","start_frame":48,"end_frame":96,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[159,783,249,901],"positive_points":[[175,804],[231,809],[212,835],[181,830],[174,878],[232,878]],"negative_points":[[139,842],[266,842],[204,754],[204,923]],"evidence":"目标是“ICONS”下方第二个圆角黑色图块，内有白色信封轮廓及左侧短运动线。边界框覆盖整个图块；正点分布在图块表面、信封和运动线上，负点位于图块四周的外部背景。"}},{"name":"Photo stack animation tile","description":"Third tile under “ICONS”, showing several overlapping, tilting picture frames with simple mountain-and-dot imagery.","membership":"The entire rounded black tile, including every overlapping picture frame and the image content enclosed by them.","id":"obj_058","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.75,"evidence":"目标为“ICONS”行第三个圆角黑色方块，包含重叠倾斜的相框及山形、圆点图案。首个合格帧为2.00秒，前一帧1.75秒仍是圆圈和圆点展示页，没有该目标。该方块持续完整可见，3.75秒虽展示区域重新取景并出现底部横幅，目标仍完整保留，是最后合格帧；区间延至视频末尾4.00秒，无后续采样帧。选择2.75秒作为关键帧，相框层叠关系清楚，整块无遮挡。","start_frame":48,"end_frame":96,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[278,783,367,900],"positive_points":[[291,805],[350,805],[308,836],[330,852],[291,883],[352,882]],"negative_points":[[257,841],[380,842],[324,754],[321,925]],"evidence":"目标是“ICONS”下第三个黑色圆角图块，内有重叠倾斜的山景相框。边界框覆盖整个图块及其内部图案；正点分布在图块表面和相框内容上，负点位于图块四周的外部背景。"}},{"name":"House animation tile","description":"Fourth tile under “ICONS”, containing a white outline house with a door, chimney, and animated puffs above the roof.","membership":"The entire rounded black tile, including the house outline, enclosed interior, chimney, and animated puffs.","id":"obj_059","temporal":{"status":"found","start_s":2.0,"end_s":4.0,"reference_s":2.5,"evidence":"目标是“ICONS”行第四个圆角黑色方块，内有白色房屋轮廓、门、烟囱及上方动态烟团。首个合格帧为2.00秒，前一帧1.75秒仍是圆环和圆点动画页面，没有该目标。最后一帧3.75秒中，同一房屋方块随页面重新排版，右下角被蓝色横幅少量遮挡，但主体仍清晰存在，未见退出；区间延伸至视频末尾4.00秒，之后无采样帧。选择2.50秒作为关键帧，方块及房屋结构完整清晰、无遮挡。","start_frame":48,"end_frame":96,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[396,783,486,901],"positive_points":[[411,811],[468,810],[436,819],[442,853],[412,877],[469,878]],"negative_points":[[323,841],[558,841],[441,751],[495,925]],"evidence":"目标是“ICONS”下第四个圆角黑色图块，内有白色房屋轮廓、门、烟囱及屋顶上方的烟团。边界框覆盖整个图块；六个正点分布在图块表面及房屋、烟团上，四个负点位于相邻图块和目标外部背景。"}},{"name":"Download animation tile","description":"Fifth tile under “ICONS”, showing a rotating and descending white arrow above a horizontal white baseline.","membership":"The entire rounded black tile, including the arrow throughout its movement and the complete baseline.","id":"obj_060","temporal":{"status":"found","start_s":2.0,"end_s":3.75,"reference_s":2.75,"evidence":"目标是“ICONS”行第五个圆角黑色方块，内有旋转、下降的白色箭头及完整水平白线。首个合格帧为2.00秒，最后合格帧为3.50秒，期间整个方块持续完整可见。前一帧1.75秒仍是圆环和圆点展示页；后一帧3.75秒画面重排，蓝色横幅遮住目标方块下缘，不再完整呈现。选择2.75秒作为关键帧，箭头向下、白线清晰，方块无遮挡，便于标注。","start_frame":48,"end_frame":90,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[514,783,603,901],"positive_points":[[527,807],[583,811],[558,843],[541,876],[578,876],[586,889]],"negative_points":[[491,842],[623,840],[558,759],[558,925]],"evidence":"目标是“ICONS”行第五个下载图标方块。边界框紧贴整个黑色圆角 tile，包含白色向下箭头及完整横向基线。正点分布于方块表面、箭头和基线；负点位于方块左右间隔及上下外部背景。"}},{"name":"Coin animation tile","description":"Sixth tile under “ICONS”, showing a small spinning coin that alternates between a narrow edge and a circular face bearing “$”.","membership":"The entire rounded black tile, including the coin outline, enclosed face, and dollar symbol.","id":"obj_061","temporal":{"status":"found","start_s":2.0,"end_s":3.75,"reference_s":2.5,"evidence":"目标是“ICONS”行第六个圆角黑色方块，内部硬币在窄边与带“$”的圆形正面之间旋转。首个合格帧为2.00秒，整个方块已建立；前一帧1.75秒仍是圆环和圆点动画页，没有该目标。最后合格帧为3.50秒；后一帧3.75秒布局改变，蓝色横幅遮住该方块底部，不再完整呈现。选择2.50秒作为关键帧，方块无遮挡，硬币正面及美元符号清晰。","start_frame":48,"end_frame":90,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[632,783,723,901],"positive_points":[[646,803],[707,804],[646,879],[707,880],[677,841],[677,818]],"negative_points":[[613,842],[741,842],[677,754],[677,926]],"evidence":"目标位于“ICONS”下第六个，是中央带美元符号的硬币图块。边界框覆盖整个黑色圆角方块，包括硬币及内部符号；正点分布在方块表面和硬币上，负点位于方块四周的外部背景。"}},{"name":"Delivery truck animation tile","description":"Seventh tile under “ICONS”, containing a white outline delivery truck with two wheels and intermittent motion dashes behind it.","membership":"The entire rounded black tile, including the truck body, enclosed areas, wheels, and animated motion dashes.","id":"obj_062","temporal":{"status":"found","start_s":2.0,"end_s":3.75,"reference_s":2.25,"evidence":"目标是“ICONS”行第七个圆角黑色 tile，内有白色轮廓货车、两个车轮及间歇出现的后方运动短线。首个合格帧为2.00秒，末个为3.50秒，整个 tile 均完整可见；此前1.75秒仍为圆圈与圆点动画页面，之后3.75秒画面只展示前六列，目标不再可见。选择2.25秒作关键帧，货车、车轮、运动短线和 tile 边界清晰且无遮挡。","start_frame":48,"end_frame":90,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[750,782,840,901],"positive_points":[[766,803],[821,805],[794,834],[813,851],[766,877],[824,880]],"negative_points":[[735,839],[855,839],[795,759],[794,924]],"evidence":"目标是“ICONS”行第七个黑色圆角方块，内有白色双轮送货卡车及左侧运动短线。边界框紧贴整块瓷砖，包含黑色底面和全部图案；六个正点分布于底面及卡车区域，四个负点位于瓷砖外侧背景。"}},{"name":"Book animation tile","description":"Rightmost tile under “ICONS”, showing a white outline open book with animated turning pages.","membership":"The entire rounded black tile, including the covers, enclosed page areas, and every turning page.","id":"obj_063","temporal":{"status":"found","start_s":2.0,"end_s":3.75,"reference_s":2.75,"evidence":"目标是“ICONS”行最右侧的圆角黑色书本动画方块，包含白色书封、内页和翻动页。首个合格帧为2.00秒，方块及书本结构已完整呈现；最后合格帧为3.50秒，期间翻页不影响完整性。前一帧1.75秒是圆环和圆点图标页面，尚无该目标；后一帧3.75秒改为裁切版布局，书本方块已不在画面中。选择2.75秒作为关键帧，书本轮廓清晰、无遮挡，且易与相邻图标区分。","start_frame":48,"end_frame":90,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[869,783,958,901],"positive_points":[[882,802],[944,806],[913,844],[891,868],[939,882],[878,880]],"negative_points":[[844,838],[915,748],[976,846],[914,929]],"evidence":"目标是“ICONS”行最右侧带白色翻页书本图案的圆角黑色方块。边界框紧贴整个方块，涵盖书本封面、页内区域及翻动书页；正点分布在方块表面和书本图案上，负点位于方块四周的外部背景。"}},{"name":"Blue promotional banner","description":"Blue angular banner across the bottom of the final tighter gallery view, displaying “加载动画图标” on the left and “GIF文件” on the right, with a smaller format-count line underneath.","membership":"The complete blue banner surface and its angular boundary, including all promotional text printed within it; excludes the gallery behind it and unrelated overlaid marks.","id":"obj_064","temporal":{"status":"found","start_s":3.75,"end_s":4.0,"reference_s":3.75,"evidence":"目标是最终紧凑图标画廊底部的蓝色折角宣传横幅，包含“加载动画图标”“GIF文件”及下方格式数量文字。首个和最后一个合格采样帧均为3.75秒，横幅表面、折角边界及文字已完整呈现；前一帧3.50秒仍是无横幅的画廊。目标持续至视频结束，之后没有采样帧。选择3.75秒作为关键帧，横幅清晰且易与背景区分。","start_frame":90,"end_frame":96,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[121.03,846.56,870.04,1000],"positive_points":[[157,902],[324,946],[491,923],[577,861],[681,905],[717,975]],"negative_points":[[397,835],[682,787],[89,951],[911,926]],"evidence":"目标为底部带折角的蓝色宣传横幅，包含左侧“加载动画图标”、右侧“GIF文件”和下方格式数量文字。框覆盖完整可见蓝色表面及文字，底边贴图像边缘；正点分布在横幅左右两部分的底色与文字上，避开无关叠加标记，负点位于上方图库及左右外部黑色背景。"}}]}
+{"video_id":270,"video_type":"icons and abstract motion graphics","targets":[{"name":"Animated symbol-comparison chart","description":"The central graphic begins as twenty-four white circular markers in four rows of six. Selected markers enlarge to display symbols, the markers later rearrange along a meaningfulness scale, and the graphic finally becomes a larger grid with twenty-four dark markers surrounded by thirty-six gray markers.","membership":"Include all circular markers and their enclosed contents, including separately identified symbol badges, and the horizontal scale line when present. Follow the individual shapes rather than filling the empty space between them. Exclude the dotted background, category and scale labels, yellow question mark, subtitles, and watermark.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":21,"reference_s":9.25,"evidence":"目标是中央圆形标记组成的比较图：从四行六列白点，连续变换为含符号的圆形徽章、水平含义量表，再变为黑灰圆点大网格。首个合格帧为0.00秒，24个圆点已完整呈现；最后合格帧为20.75秒，扩大后的网格仍完整可见。区间覆盖视频首尾，没有边界外的采样帧。选择9.25秒作为关键帧，圆点和各符号徽章清晰、无遮挡，便于逐个标注并排除文字、背景点阵及水印。","start_frame":0,"end_frame":504,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[308.3,264.8,670.3,796.3],"positive_points":[[336,315],[642,313],[336,748],[642,747],[397,649],[519,550]],"negative_points":[[252,314],[264,550],[491,867],[711,648]],"evidence":"目标是中央由白色圆点及放大符号徽章组成的比较图。边界框覆盖所有可见圆形标记及其内部图案，不包含左侧类别文字。正点分布于上下各处圆点、三角符号、万字符、花生人物和贝壳徽章；负点位于类别标签、底部字幕及图表右侧背景。"}},{"name":"Opening bilingual subtitle block","description":"The first lower-screen subtitle block reads “里面有6个新设计的生物危害标志” above “There were 6 newly-designed bio-hazard markers,” and disappears before the common-symbol explanation.","membership":"Include the Chinese and English subtitle lettering and its outlines as one text block. Exclude the chart and surrounding background.","id":"obj_002","temporal":{"status":"found","start_s":0.25,"end_s":2.5,"reference_s":1.5,"evidence":"目标是画面下方的首个中英双语字幕块，中文为“里面有6个新设计的生物危害标志”，英文为“There were 6 newly-designed bio-hazard markers,”。0.25秒首次完整清晰呈现，2.25秒为最后符合条件的帧；此前0.00秒尚无字幕，此后2.50秒字幕已消失。选择1.50秒作为关键帧，两行文字清晰完整、无遮挡，便于整体标注。","start_frame":6,"end_frame":60,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[217.7,832.4,783.3,952.8],"positive_points":[[232.8,843.5],[565.6,888.0],[763.5,849.1],[255.2,918.5],[369.8,932.4],[551.0,926.9]],"negative_points":[[198.4,867.6],[806.3,889.8],[500.0,803.7],[502.1,975.0]],"evidence":"图像下方可见指定的中英文字幕，上行为“里面有6个新设计的生物危害标志”，下行为对应英文。边框紧贴两行字幕及其描边的整体范围；六个正点分布在两行文字笔画上，四个负点位于字幕左、右、上、下的外围背景，未包含上方图表。"}},{"name":"Subdivided triangular biohazard badge","description":"The third marker from the left in the upper row enlarges to show a black triangular design subdivided into smaller triangular spaces on a white circular disc.","membership":"Include the entire white disc, its outer circular boundary, and the enclosed black triangular design. Exclude neighboring markers and labels.","id":"obj_003","temporal":{"status":"found","start_s":0.75,"end_s":10.75,"reference_s":2.0,"evidence":"目标是上排左起第三个白色圆盘，内有分割成多个三角空间的黑色三角图案。0.75秒首次完整呈现；此前0.50秒图案上部仍未完整显露。最后符合条件的是10.50秒，圆盘和三角图案虽缩小但仍可见；10.75秒内部图案已消失，成为空白圆点。选择2.00秒作为关键帧，因徽章清晰、完整且与邻近标志容易区分。","start_frame":18,"end_frame":258,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[430.7,264.8,486.5,364.8],"positive_points":[[437.5,306.5],[479,312],[459.4,276.9],[457.3,352.8],[446.9,324.1],[467.7,324.1]],"negative_points":[[397.4,314.8],[519.8,314.8],[458.3,476.9],[416.7,379.6]],"evidence":"目标是上排从左数第三个标记，白色圆盘内有分割成小三角区域的黑色三角图案。边界框紧贴整个圆盘外缘，包含内部图案。六个正点分布在圆盘及黑色图案上；负点位于左右相邻标记、下方圆点和左下方外部背景，均不属于目标。"}},{"name":"Open-center three-lobed biohazard badge","description":"The fourth upper-row marker displays three curved, horn-like lobes arranged around a large open circular center, on an enlarged white disc.","membership":"Include the whole white circular disc and its enclosed black emblem. Exclude the neighboring triangular and compact biohazard badges.","id":"obj_004","temporal":{"status":"found","start_s":1.0,"end_s":10.75,"reference_s":2.0,"evidence":"目标是上排第四枚白色圆章，黑色三瓣弯角围绕较大的空心圆，区别于两侧的三角形及紧凑型生物危害徽章。1.00秒首次完整呈现，之前0.75秒的瓣角仍未完整显露；最后合格帧为10.50秒，圆章与徽记虽缩小但仍可见，10.75秒已只剩空白圆点。选择2.00秒作关键帧，此时目标完整清晰、无遮挡，易与邻近徽章区分。","start_frame":24,"end_frame":258,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[491.67,264.81,547.92,364.81],"positive_points":[[519.27,313.89],[510.94,284.26],[533.33,297.22],[501.04,325],[525,350.93],[538.54,326.85]],"negative_points":[[459.38,314.81],[580.73,314.81],[519.27,227.78],[519.27,406.48]],"evidence":"目标是上排从左数第四个标记，三片弯曲角状叶瓣围绕较大的开放圆心。边界框紧贴整个白色圆盘，包含内部黑色徽记。六个正点分布在圆盘中央及四周；负点位于左右相邻的三角形、紧凑型生物危害徽章，以及目标上方和下方的外部背景。"}},{"name":"Compact biohazard badge","description":"The fifth upper-row marker enlarges into a white badge containing a black biohazard emblem with three curved lobes and a small central opening.","membership":"Include the full circular disc, its boundary, and the black symbol inside. Exclude adjacent markers and background.","id":"obj_005","temporal":{"status":"found","start_s":0.75,"end_s":10.75,"reference_s":2.0,"evidence":"目标是上排第五个白色圆盘，内部为三瓣弯曲、中央带小孔的黑色生物危害符号。0.75秒首次完整可见，0.50秒该位置仍是普通白点；最后符合条件的是10.50秒，徽章虽缩小但圆盘及符号仍可见，10.75秒已变为无符号白点。选择2.00秒为关键帧，此时徽章清晰、无遮挡，易与相邻标志区分。","start_frame":18,"end_frame":258,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[552.6,264.8,608.9,364.8],"positive_points":[[580,278],[563,306],[598,308],[572,345],[592,347],[581,315]],"negative_points":[[519.8,314.8],[641.7,314.8],[580,236],[580,407]],"evidence":"目标是上排从左数第五个标记，即右数第二个白色圆徽章，内部为紧凑的三曲瓣黑色生物危害符号。边界框紧贴完整圆盘；六个正点分布在圆盘及内部符号上，四个负点位于左右相邻徽章及目标上下方的外部背景。"}},{"name":"Angular triangular biohazard badge","description":"The rightmost upper-row marker displays a black triangular emblem formed from three thick, bent angular strokes on a white disc.","membership":"Include the complete white circular badge and its enclosed angular design. Exclude neighboring badges and labels.","id":"obj_006","temporal":{"status":"found","start_s":1.0,"end_s":10.5,"reference_s":2.0,"evidence":"目标是上排最右侧的白色圆章，内含三条粗折角笔画组成的黑色三角形。1.00秒首次完整呈现，0.75秒内部图案仍未揭示完整；最后合格帧为10.25秒，圆章及图案虽缩小但仍完整，10.50秒该位置已变为空白圆点。选择2.00秒为关键帧，目标清晰、无遮挡，且与相邻徽章易于区分。","start_frame":24,"end_frame":252,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[613.5,264.8,669.8,364.8],"positive_points":[[641.1,275.9],[620.8,305.6],[630.2,342.6],[654.7,339.8],[663.0,305.6],[642.7,316.7]],"negative_points":[[580.7,313.9],[687.5,314.8],[642.2,231.5],[642.2,399.1]],"evidence":"目标是上排最右侧白色圆形徽章，内部为三条粗折线组成的黑色三角图案。边界框紧贴完整圆盘，包含内部设计；六个正点分布于圆盘及图案各处，四个负点位于左侧相邻徽章和目标上、右、下方的外部背景。"}},{"name":"BIOHAZARD category label","description":"The white uppercase word “BIOHAZARD” appears to the left of the upper row of six markers.","membership":"Include only the lettering of this category label. Exclude the adjacent circles, symbols, and background.","id":"obj_007","temporal":{"status":"found","start_s":1.0,"end_s":10.25,"reference_s":2.0,"evidence":"目标是上方六个标记左侧的白色大写“BIOHAZARD”文字，不含圆圈或符号。1.0秒首次完整显示，前一帧0.75秒文字仍处于未完成的揭示状态；最后合格帧为10.0秒，后一帧10.25秒文字已开始变灰淡出。选择2.0秒作为关键帧，此时文字清晰完整、无遮挡，且易与周围标记区分。","start_frame":24,"end_frame":246,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[193.23,300.93,311.98,329.63],"positive_points":[[194.79,313.89],[208.85,311.11],[231.25,309.26],[262.5,303.7],[287.5,319.44],[309.9,313.89]],"negative_points":[[335.94,314.81],[250,273.15],[250,356.48],[177.08,314.81]],"evidence":"目标是上排标记左侧的白色大写“BIOHAZARD”。边界框紧贴整个单词，正点分布在不同字母的实际笔画上；负点位于右侧相邻圆点及文字上、下、左侧的外部背景，不包含字母内部空隙。"}},{"name":"COMMON category label","description":"The white uppercase word “COMMON” appears to the left of the lower group of eighteen markers.","membership":"Include only the label lettering. Exclude the adjacent marker grid and background.","id":"obj_008","temporal":{"status":"found","start_s":3.25,"end_s":10.5,"reference_s":7.0,"evidence":"目标是下方十八个标记左侧的白色大写“COMMON”字样，仅包含文字。3.25秒首次完整显示，前一帧3.00秒文字下部仍未揭示完整；10.25秒为最后合格帧，文字虽在移动但仍完整，10.50秒已消失。选择7.00秒作为关键帧，文字清晰、无遮挡，与相邻标记容易区分。","start_frame":78,"end_frame":252,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[215.6,534.3,312,564.8],"positive_points":[[216.7,549.1],[236.5,537],[247.4,554.6],[265.6,545.4],[289.6,561.1],[310.4,552.8]],"negative_points":[[336,551],[202,549],[260,509],[260,590]],"evidence":"目标是下方十八个标记左侧的白色大写“COMMON”。边界框紧贴完整单词，六个正点分布于各字母笔画；负点位于文字外侧背景及右侧独立圆形标记上，不包含字间空隙。"}},{"name":"Common-symbol bilingual subtitle block","description":"The lower-screen bilingual subtitles introduce “and 18 common symbols -” and continue with examples including “things like Mr. Peanut,” and “the Texaco star, the Shell Oil symbol,” before disappearing.","membership":"Include the Chinese and English subtitle text and its outlines, retaining the same text-block extent definition as the wording changes. Exclude the chart and symbol badges.","id":"obj_009","temporal":{"status":"found","start_s":2.75,"end_s":4.0,"reference_s":3.25,"evidence":"目标为画面下方的中英双语字幕“和18个常见的标志 / and 18 common symbols -”，不含图表及徽标。首个完整呈现帧为2.75秒，最后合格帧为3.75秒；前一帧2.50秒无该字幕，后一帧4.00秒文字已开始淡出，因此不合并随后例子字幕的再出现。选择3.25秒作为关键帧，双语文字清晰完整且无遮挡。","start_frame":66,"end_frame":96,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[343.2,832.4,655.7,951.9],"positive_points":[[374.5,868.5],[392.2,870.4],[509.4,861.1],[634.9,847.2],[415.6,930.6],[599.5,931.5]],"negative_points":[[458.5,740.7],[641.7,642.6],[308.9,876.9],[683.3,926.9]],"evidence":"目标位于画面下方，中文为“和18个常见的标志”，英文为“and 18 common symbols -”。边框紧贴两行字幕及其描边的整体范围；六个正点分布在两行文字笔画上，四个负点位于上方图表圆点及字幕左右的外部背景，排除图表和符号徽章。"}},{"name":"Mr. Peanut badge","description":"The second marker in the middle row of the COMMON group enlarges to show a yellow peanut-shaped character wearing a dark top hat and holding a cane.","membership":"Include the entire white circular badge and all parts of the character drawn inside it. Exclude surrounding markers and subtitles.","id":"obj_010","temporal":{"status":"found","start_s":4.5,"end_s":10.5,"reference_s":5.25,"evidence":"目标是 COMMON 组中排第二个白色圆章，内有戴深色高帽、持手杖的黄色花生人物。4.5 秒人物已完整出现但尺寸较小，随后整体放大；此前 4.25 秒仍是空白圆点。最后合格帧为 10.25 秒，圆章与缩小的人物仍可见；10.5 秒人物已消失，变回普通圆点。选择 5.25 秒作为关键帧，圆章和人物清晰完整、无遮挡。","start_frame":108,"end_frame":252,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[369.8,600,425,699.1],"positive_points":[[396,640],[398,614],[378,648],[416,646],[385,619],[405,680]],"negative_points":[[336,649],[458,649],[397,551],[398,746]],"evidence":"目标是 COMMON 组中间一行的第二个标记，白色圆形内有戴深色高帽、持手杖的黄色花生人物。边界框紧贴整个白色圆形徽章；正点覆盖人物及圆形白底的不同部位，负点位于左右及上下相邻的独立圆点标记上，均不包含字幕。"}},{"name":"Texaco star badge","description":"The fourth marker in the bottom row of the COMMON group enlarges to show a red five-pointed star with a white “T,” enclosed by a black ring on a white disc.","membership":"Include the full white circular badge, the black ring and its enclosed area, and the red-and-white emblem. Exclude adjacent markers.","id":"obj_011","temporal":{"status":"found","start_s":5.75,"end_s":10.5,"reference_s":9.0,"evidence":"目标是 COMMON 组底行第四个白色圆徽章，内有黑环及带白色“T”的红色五角星。5.75 秒首次完整显示，前一帧 5.50 秒图案尚未清晰揭示；10.25 秒仍完整可���，后一帧 10.50 秒内部徽记已淡化消退。选择 9.00 秒作为关键帧，此时徽章清晰、无遮挡，容易与相邻圆点区分。","start_frame":138,"end_frame":252,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[491.67,697.22,547.92,797.22],"positive_points":[[519.79,705.56],[497.4,745.37],[541.67,745.37],[519.79,787.04],[510.42,743.52],[519.79,749.07]],"negative_points":[[458.33,746.3],[580.73,746.3],[519.79,649.07],[562.5,805.56]],"evidence":"目标位于 COMMON 组最下排第四个标记，是带黑环、红色五角星和白色 T 的 Texaco 徽章。边界框紧贴完整白色圆盘；正点覆盖圆盘四周及中央星形与字母，负点位于左右和上方相邻标记以及右下方外部背景。"}},{"name":"Shell badge","description":"The fourth marker in the top row of the COMMON group enlarges to display a yellow scallop-shell logo bearing the word “SHELL.”","membership":"Include the entire white circular disc and the yellow shell and lettering inside it. Exclude the surrounding chart markers and category label.","id":"obj_012","temporal":{"status":"found","start_s":6.5,"end_s":10.75,"reference_s":9.0,"evidence":"目标是 COMMON 组顶行第四个白色圆盘，内有黄色扇贝壳及“SHELL”字样。6.50 秒已出现完整的小尺寸徽章，随后放大；前一帧 6.25 秒仍是空白圆点。最后符合条件的帧为 10.50 秒，徽章正在缩小但仍可辨认；10.75 秒已恢复为空白圆点，标志不再可辨。选择 9.00 秒作为关键帧，此时圆盘、贝壳和文字清晰且无遮挡。","start_frame":156,"end_frame":258,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[491.7,500.9,547.9,601.9],"positive_points":[[511.5,531.5],[530.7,537],[519.3,574.1],[499,550],[534.9,579.6],[519.8,509.3]],"negative_points":[[458.3,550.9],[580.7,550.9],[519.8,649.1],[519.8,472.2]],"evidence":"目标位于 COMMON 组首行第四个标记，是带黄色扇贝图案和“SHELL”字样的白色圆盘。边界框紧贴整个圆盘；正点分布在白色盘面、黄色贝壳及内部文字区域，负点位于左右相邻标记、下方标记及上方外部背景。"}},{"name":"Red Cross badge","description":"The rightmost marker in the middle row of the COMMON group enlarges into a white circular badge containing a bright red, equal-armed cross.","membership":"Include the whole white disc, its circular boundary, and the enclosed red cross. Exclude neighboring markers and subtitles.","id":"obj_013","temporal":{"status":"found","start_s":7.5,"end_s":10.75,"reference_s":8.0,"evidence":"目标是 COMMON 组中间一行最右侧的白色圆盘及其红色等臂十字。7.25 秒仅见微小红点，十字尚未完整显现；7.5 秒结构完整。最后合格帧为 10.5 秒，徽章虽缩小，仍可辨认完整红十字；10.75 秒已恢复为空白圆点，不再呈现红十字徽章。选择 8.0 秒作为关键帧，此时圆盘和十字清晰、无遮挡。","start_frame":180,"end_frame":258,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[614.6,600,669.8,698.2],"positive_points":[[642.2,647.2],[641.7,619.4],[628.6,647.2],[656.3,647.2],[629.7,673.1],[654.2,622.2]],"negative_points":[[580.7,649.1],[642.2,746.3],[642.2,551.9],[689.6,648.1]],"evidence":"目标是 COMMON 组中间一行最右侧的红十字圆形徽章。边界框紧贴整个白色圆盘，包含圆周及内部红十字；正点分布在红十字和白色盘面上，负点位于左侧、上下相邻标记及右侧外部背景，未包含字幕。"}},{"name":"Symbol-testing bilingual subtitle block","description":"A new lower-screen subtitle appearance begins with “the Red Cross, and a swastika.” It continues through the explanation that participants guessed each symbol’s meaning to assign a “meaningfulness score.”","membership":"Include the Chinese and English subtitle lettering and its outlines throughout the changing text. Exclude the chart, question mark, and scale labels.","id":"obj_014","temporal":{"status":"found","start_s":7.75,"end_s":15.25,"reference_s":13.5,"evidence":"目标为下方中英双语字幕，从“the Red Cross, and a swastika.”开始，随文字切换延续至猜测符号含义并赋予“meaningfulness score”的说明，不包含图表、问号或刻度标签。首个完整呈现帧为7.75秒，前一帧7.50秒没有该字幕；最后符合帧为15.00秒，后一帧15.25秒字幕已消失。选择13.50秒作为关键帧，此时双语“含义分数”字幕完整清晰，与图形分离。","start_frame":186,"end_frame":366,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[317.7,831.5,681.3,952.8],"positive_points":[[400.5,865.7],[478.6,886.1],[517.7,876.9],[324.5,924.1],[446.4,930.6],[619.3,931.5]],"negative_points":[[519.3,685.2],[519.3,309.3],[291.7,878.7],[699.5,876.9]],"evidence":"目标为底部当前显示的双语字幕，中文“一个含义分数”和英文“each one a \"meaningfulness score.\"”与描述中的含义评分解释对应。边框紧密覆盖两行字幕及描边；六个正点分��在中英文字形上，负点位于上方图表圆点、问号及字幕两侧的外部背景。"}},{"name":"Swastika badge","description":"The leftmost marker in the bottom row of the COMMON group enlarges to show a black, diagonally oriented swastika on a white circular disc.","membership":"Include the entire white disc and its enclosed black symbol. Exclude adjacent markers and surrounding background.","id":"obj_015","temporal":{"status":"found","start_s":8.75,"end_s":10.75,"reference_s":9.25,"evidence":"目标是 COMMON 组最底行左端的白色圆盘，内含黑色倾斜卐字符号。8.75 秒首次清楚完整呈现；此前 8.50 秒仅见扩大的圆盘及尚未清晰展开的黑色痕迹。最后合格帧为 10.50 秒，徽章虽已缩小，圆盘和符号仍可辨认；10.75 秒符号消失，变回普通白点。选择 9.25 秒作为关键帧，此时徽章完整、尺寸较大且无遮挡。","start_frame":210,"end_frame":258,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[308.3,697.2,364.1,797.2],"positive_points":[[334.38,711.11],[322.4,731.48],[351.04,733.33],[335.94,748.15],[326.04,774.07],[347.4,776.85]],"negative_points":[[397.4,746.3],[335.94,649.07],[295.83,748.15],[339.06,817.59]],"evidence":"目标是 COMMON 组最底行左侧的白色圆盘，内有黑色倾斜卐字符号。边界框紧贴整个圆盘，包含内部符号；六个正点分布在圆盘及符号上，四个负点位于右侧和上方的相邻标记，以及圆盘左侧、下方的外部背景。"}},{"name":"Moving yellow question mark","description":"A yellow outlined question mark appears above the first marker in the re-formed twenty-four-marker grid, then moves above successive markers to illustrate guessing their meanings.","membership":"Include only the yellow question-mark outline and its dot. Its open interior remains unfilled. Exclude the circular marker beneath it and the background.","id":"obj_016","temporal":{"status":"found","start_s":10.5,"end_s":14.0,"reference_s":11.5,"evidence":"目标是位于圆形标记上方、带独立圆点的黄色空心问号，随后依次移动到其他标记上方。10.50秒首次完整出现，前一帧10.25秒尚无问号；13.75秒仍可见缩小、倾斜的完整问号，14.00秒已消失。选11.50秒为关键帧，此时轮廓清晰，与下方圆形标记分离，便于仅标注问号及其点。","start_frame":252,"end_frame":336,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[382.8,291.7,409.4,351.9],"positive_points":[[395.8,292.6],[383.3,310.2],[407.8,309.3],[390.6,325.9],[390.6,342.6],[395.3,350.0]],"negative_points":[[397.4,388.0],[335.9,388.0],[369.8,321.3],[423.4,323.1]],"evidence":"目标是网格顶行第二个白色圆点上方的黄色空心问号。边界框紧贴问号轮廓及其下方方形点；六个正点分布在弯曲轮廓、竖段和点的边线上，负点位于下方及左侧白色圆点和两侧外部背景，避开问号内部空白。"}},{"name":"Meaningless scale label","description":"The white italic word “Meaningless” appears at the left end of the horizontal symbol-ranking graphic.","membership":"Include only the word’s lettering. Exclude the horizontal line, circular markers, and background.","id":"obj_017","temporal":{"status":"found","start_s":14.25,"end_s":18.25,"reference_s":16.0,"evidence":"目标是横向符号评分图左端的白色斜体单词“Meaningless”，仅包含字母。14.25秒首次完整显示，前一帧14.00秒的文字仍被揭示遮罩截断；18.00秒为最后合格帧，18.25秒画面转场时文字开始淡出。选择16.00秒作为关键帧，此时文字清晰完整，与横线和圆点容易区分。","start_frame":342,"end_frame":438,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[63.5,477.8,209.4,521.3],"positive_points":[[69.3,492.6],[91.7,499.1],[120.3,489.8],[153.1,515.7],[175.0,500.0],[202.6,489.8]],"negative_points":[[55.2,497.2],[135.4,455.6],[135.4,541.7],[238.0,501.9]],"evidence":"目标是水平排序图左端的白色斜体“Meaningless”。边界框紧贴完整单词，包含下伸字形；六个正点分布在各处字母笔画上，负点位于单词外侧背景及右侧圆形标记上，排除线条、圆点和背景。"}},{"name":"Meaningful scale label","description":"The white italic word “Meaningful” appears at the right end of the horizontal symbol-ranking graphic.","membership":"Include only the word’s lettering. Exclude the scale line, circular markers, and background.","id":"obj_018","temporal":{"status":"found","start_s":14.25,"end_s":18.25,"reference_s":16.0,"evidence":"目标是横向排序图右端的白色斜体单词“Meaningful”，仅包含文字。14.25秒首次完整显示，前一帧14.00秒文字仍处于遮罩揭示中；最后合格帧为18.00秒，18.25秒开始随画面切换淡出。选择16.00秒作为关键帧，此时文字清晰完整，无遮挡，且与刻度线及圆点分离。","start_frame":342,"end_frame":438,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[803.6,477.8,933.3,521.3],"positive_points":[[807.8,501.9],[831.3,489.8],[858.9,490.7],[878.6,489.8],[890.6,513.0],[928.1,501.9]],"negative_points":[[718.8,500.9],[864.6,449.1],[864.6,546.3],[953.1,500.0]],"evidence":"目标是横向排序图右端的白色斜体“Meaningful”。边界框紧贴完整单词，正点分散在不同字母的笔画上；负点位于左侧圆形标记及单词上方、下方和右侧的外部背景，排除刻度图形和背景。"}},{"name":"Follow-up-test bilingual subtitle block","description":"After a subtitle-free frame, the lower-screen bilingual captions begin “A week later, the same participants were shown” and explain the original twenty-four symbols plus thirty-six more, followed by the identification task. The lettering changes to remain legible when the background becomes light.","membership":"Include the Chinese and English subtitle lettering and its outlines as the wording and styling change. Exclude the marker grid, scale, background, and watermark.","id":"obj_019","temporal":{"status":"found","start_s":15.75,"end_s":20.5,"reference_s":18.75,"evidence":"目标为下方中英双语字幕，从“一周后／A week later”开始，随后改为原有24个符号加36个符号的说明；按指定范围保留措辞及明暗样式变化。首个合格帧为15.75秒，之前15.50秒仍在淡入，15.25秒无字幕。最后合格帧为20.25秒，紧邻的20.50秒字幕消失；20.75秒的辨认任务字幕属于之后的再次出现，不合并。选择18.75秒作关键帧，此时浅色背景上的双语字形与描边清晰完整。","start_frame":378,"end_frame":492,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[285.4,832.4,714.6,951.9],"positive_points":[[302.1,840.7],[527.1,861.1],[643.2,850.0],[300.5,929.6],[447.4,940.7],[663.5,929.6]],"negative_points":[[325.5,773.1],[650.5,670.4],[938.0,77.8],[758.3,908.3]],"evidence":"目标是下方双语字幕，中文为“原来的24个和后加的36个”，英文为“those original 24 symbols, plus 36 more.”。边界框紧贴两行完整字幕及其描边；六个正点分布在两行文字笔画上，负点位于圆点网格、水印及字幕外背景，排除这些非目标内容。"}}]}
+{"video_id":271,"video_type":"icons and abstract motion graphics","targets":[{"name":"Three-bomber flight arrow","description":"A broad translucent gray arrow pointing toward Japan, initially at center-right, with three white bomber silhouettes clustered inside its arrowhead. One silhouette is larger than the other two.","membership":"Includes the complete arrow surface, its concave outline and trailing shaft, and all three enclosed aircraft silhouettes. Excludes the surrounding map, separate triangular aircraft markers, text, and departure-location marker.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":4.5,"evidence":"目标为朝日本方向的宽大半透明灰色箭头，包含完整凹形箭头轮廓、尾部及箭头内一大两小三架白色轰炸机，不含外围独立三角标记。首个合格帧为0.00秒，末个为7.75秒；期间箭头随地图移动、旋转，但结构始终完整，未见退出或淡出。区间已覆盖视频首尾，两端均无更外侧采样帧。选择4.50秒作为关键帧，箭头及三架飞机清晰完整，与其他标记分离良好。","start_frame":0,"end_frame":192,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[426.6,377.8,750,815],"positive_points":[[473,432],[504,444],[480,485],[450,419],[566,575],[669,716]],"negative_points":[[330,326],[383,243],[600,386],[560,760]],"evidence":"目标是指向日本的宽大半透明灰色箭头，箭头内有一大两小三架白色轰炸机。边界框覆盖箭头尖端、内凹轮廓及向右下延伸的完整尾杆；正点分布在三架飞机、箭头面和尾杆上，负点位于独立三角飞机标记、外围地图及出发位置标记处。"}},{"name":"Upper aircraft marker","description":"The uppermost of three separate gray triangular markers ahead of the large flight arrow, containing a single white bomber silhouette.","membership":"Includes this triangle's boundary, enclosed surface, and aircraft silhouette throughout its movement. Excludes the other markers and underlying map outside its outline.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":4.5,"evidence":"目标是大飞行箭头前方三个独立灰色三角标记中最上方的一个，内部有单架白色轰炸机轮廓。首个合格帧为0.00秒，三角边界、表面及飞机均已完整呈现；之后持续移动，至最后采样帧7.75秒仍完整可见，无淡出或出框。区间覆盖视频全长，起点之前和终点之后均无采样帧。选择4.50秒作为关键帧，目标轮廓清晰，与另外两个标记分离且无遮挡。","start_frame":0,"end_frame":192,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[296.9,195.4,340.1,255.6],"positive_points":[[303.1,203.7],[315.1,208.3],[331.8,209.3],[307.3,223.1],[320.3,225],[308.9,244.4]],"negative_points":[[383.9,244.4],[329.2,326.9],[285.4,222.2],[322.9,268.5]],"evidence":"目标是大飞行箭头前方三个独立三角标记中最上方的一个，内有白色轰炸机。边界框紧贴该灰色三角形的完整可见范围；正点分布在其内部表面和飞机图案上，负点位于另外两个标记及目标轮廓外的地图背景上。"}},{"name":"Right aircraft marker","description":"The rightmost of the three separate triangular aircraft markers, initially below and to the right of the upper marker. It contains one white bomber silhouette.","membership":"Includes this triangle's boundary, enclosed surface, and aircraft silhouette throughout its movement. Excludes neighboring markers and the map outside its outline.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":5.5,"evidence":"目标是三个独立三角形飞机标记中最右侧的一枚，初始位于上方标记的右下方，内部有一架白色轰炸机；不包括下方大型箭头中的飞机。其三角边界、表面和飞机轮廓从0.00秒至7.75秒始终完整可见，随地图连续移动和旋转，无淡出或出框。首个合格帧为0.00秒，最后为7.75秒；区间已覆盖视频首尾，没有边界外的采样帧。选择5.50秒作为关键帧，目标清晰、无遮挡且与相邻标记分离。","start_frame":0,"end_frame":192,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[352.1,232.4,396.9,296.3],"positive_points":[[359.4,239.8],[390.1,242.6],[366.7,255.6],[377.6,255.6],[370.8,283.3],[374.0,266.7]],"negative_points":[[303.6,242.6],[325.5,353.7],[407.8,271.3],[367.2,209.3]],"evidence":"目标是三个独立三角形飞机标记中最右侧的一个，位于左上标记的右下方，内含一架白色轰炸机。边界框紧贴该三角形的完整可见范围；正点分布在三角形表面及飞机轮廓上，负点位于另外两个标记和目标外的地图背景上。"}},{"name":"Lower-left aircraft marker","description":"The lowest of the three separate triangular aircraft markers, initially below and slightly left of the upper marker. It contains one white bomber silhouette.","membership":"Includes this triangle's boundary, enclosed surface, and aircraft silhouette throughout its movement. Excludes the other markers and the map outside its outline.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":5.5,"evidence":"目标是三个独立三角形飞机标记中最低的一个，包含灰色三角形及其中的白色轰炸机，排除右下方大箭头中的飞机。首个合格帧为0.00秒，末个为7.75秒；其间目标始终完整可见，随地图移动和旋转，没有淡出或出框。区间覆盖视频首尾，两端均无更外侧采样帧。选择5.50秒作为关键帧，目标轮廓清晰，与其余标记分离且无遮挡。","start_frame":0,"end_frame":192,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[302.6,325.9,348.4,392.6],"positive_points":[[309.4,333.3],[337,338],[320.3,377.8],[315.6,350],[325,353.7],[327.1,364.8]],"negative_points":[[303.1,243.5],[374.5,260.2],[296.9,362],[340.1,389.8]],"evidence":"目标是三个独立三角形飞机标记中最下方的一个，内部有白色轰炸机剪影。框紧贴该三角形的完整边界，覆盖其表面及飞机。六个正点分布在三角形内部和飞机上；负点位于另外两个标记及目标外侧的地图背景上。"}},{"name":"August 6 date title","description":"An independent white date title at the left reading “AUGUST 6, 1945”.","membership":"Includes the complete date lettering and punctuation. Excludes the map, aircraft graphics, and bottom subtitles.","id":"obj_005","temporal":{"status":"found","start_s":1.0,"end_s":3.5,"reference_s":2.0,"evidence":"目标是画面左侧独立的白色日期标题“AUGUST 6, 1945”，不含底部字幕。首个符合条件的采样帧为1.00秒，最后一个为3.25秒；此前0.75秒标题仍在淡入，此后3.50秒开始变暗淡出。选择2.00秒作为关键帧，日期文字及标点完整清晰、无遮挡。","start_frame":24,"end_frame":84,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[53.1,456.5,260.4,498.1],"positive_points":[[62,462],[99,460.2],[153.6,461.1],[173.4,477.8],[221.9,461.1],[253.1,488.9]],"negative_points":[[152.1,416.7],[152.1,539.8],[36.5,475.9],[281.3,472.2]],"evidence":"目标是画面左侧独立的白色日期标题“AUGUST 6, 1945”。边界框紧贴完整字母、数字及逗号；六个正点分布在标题不同字符的笔画上，四个负点位于标题上、下、左、右的外部地图背景，未包含飞机图形或底部字幕。"}},{"name":"Bilingual date subtitle","description":"A bottom-centered two-line subtitle reading “1945年8月6日” above “On the 6th of August, 1945,”. It disappears before the next subtitle appears.","membership":"Includes both lines of subtitle text and their outlines. Excludes the background map and the independent date title at left.","id":"obj_006","temporal":{"status":"found","start_s":0.25,"end_s":2.75,"reference_s":1.0,"evidence":"目标为底部居中的双行日期字幕，上行为“1945年8月6日”，下行为“On the 6th of August, 1945,”，包含文字描边，不含左侧独立日期标题。首个完整显示帧为0.25秒，最后合格帧为2.50秒；前邻帧0.00秒尚无该字幕，后邻帧2.75秒字幕已消失。选择1.00秒作为关键帧，两行文字完整清晰、无遮挡。","start_frame":6,"end_frame":66,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[384.4,867.6,615.1,958.3],"positive_points":[[430.7,885.2],[471.9,887],[569.8,887],[387.5,938.9],[419.3,931.5],[605.2,947.2]],"negative_points":[[499,842],[500,978],[365,927],[168,475]],"evidence":"目标是底部居中的双语日期字幕，上行为“1945年8月6日”，下行为“On the 6th of August, 1945,”。边界框覆盖两行文字及其描边；六个正点分布在两行字形上，负点位于字幕外围地图背景及左侧独立日期标题上。"}},{"name":"Bilingual bomber-departure subtitle","description":"A new bottom-centered subtitle block reading “六架B-29轰炸机从太平洋上的一个小基地起飞” above “Six B-29 stratofortress bombers took off from a tiny base in the Pacific Ocean.”","membership":"Includes both complete subtitle lines and their outlines. Excludes the map and adjacent flight graphics.","id":"obj_007","temporal":{"status":"found","start_s":3.0,"end_s":8.0,"reference_s":4.5,"evidence":"目标为底部居中的双语字幕，两行分别为指定的中文轰炸机起飞说明和英文“Six B-29 stratofortress bombers took off from a tiny base in the Pacific Ocean.”，包含文字描边。3.00秒首次完整显示，前一帧2.75秒没有该字幕；至最后采样帧7.75秒仍完整可见，因此区间结束于视频末尾8.00秒，之后无采样帧。选择4.50秒作为关键帧，两行文字清晰完整、无遮挡。","start_frame":72,"end_frame":192,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[176.5,866.7,822.4,957.4],"positive_points":[[317.7,884.3],[467.7,885.2],[723.4,888.9],[182.3,928.7],[371.9,939.8],[703.6,938.0]],"negative_points":[[499,827],[124,918],[884,928],[508,978]],"evidence":"目标位于画面底部中央，上行为指定中文，下行为对应英文。边界框覆盖两行完整字幕及其描边；六个正点分布于两行文字的实际笔画上，四个负点位于字幕上方、左右及下方的外部背景，排除地图和飞行图形。"}},{"name":"Pacific departure-base marker","description":"A bright white location dot appearing near the lower-right end of the flight arrow, accompanied by an expanding circular ring, marking the departure base.","membership":"Includes the central dot and the circular ring when visible, including the ring's boundary and enclosed area. Excludes diffuse glow, the flight arrow, subtitles, and map outside the marker.","id":"obj_008","temporal":{"status":"found","start_s":6.5,"end_s":7.75,"reference_s":6.75,"evidence":"目标位于飞行箭头右下端，由白色中心点和扩张圆环组成。6.25秒尚未出现，6.5秒点与圆环已完整呈现；圆环随后扩张并逐渐消退，中心点至7.5秒仍清晰可见，7.75秒中心点也明显变暗，进入退出淡出。选择6.75秒作为关键帧，此时点和圆环边界清晰，且不受字幕遮挡。","start_frame":156,"end_frame":186,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[782.3,739.8,854.7,862.0],"positive_points":[[818.2,800.0],[816.7,743.5],[785.1,796.3],[852.2,800.9],[819.3,858.0],[804.2,782.4]],"negative_points":[[754.2,720.4],[880.2,795.4],[817.7,703.7],[718.8,890.7]],"evidence":"目标位于飞行箭头右下端，是白色实心定位点及其外侧圆环。框紧贴圆环可见边界，包含中心点和环内区域，不含外围漫射光晕。正点分布于中心点、圆环边界及环内；负点位于箭头、外围地图和下方字幕上。"}}]}
+{"video_id":272,"video_type":"icons and abstract motion graphics","targets":[{"name":"Central pink-and-yellow firework","description":"The first burst shown, initially a small rosette below and slightly right of center. It expands into long pink outer rays with yellow and white inner rays, disperses, and blooms again in the same location.","membership":"Includes the complete rosette or radial burst, its constituent rays and dispersing particles, and the central area enclosed when it forms a ring-like pattern. Excludes surrounding glow, the black background, and overlapping independent bursts.","id":"obj_001","temporal":{"status":"found","start_s":0.25,"end_s":1.0,"reference_s":0.5,"evidence":"目标是画面中心偏右下的首个粉黄烟花，外层粉色、内层黄色及白色射线可与周围独立烟花区分。0.00秒仍是暗淡的初始淡入花心，0.25秒首次完整明亮呈现；最后符合条件的是0.75秒。紧邻的1.00秒射线已明显散开，最下方粉色射线触及画面下边界，故不纳入；后续再次绽放不合并。选择0.50秒作为关键帧，此时主体轮廓完整，射线颜色清楚且遮挡较少。","start_frame":6,"end_frame":24,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[429.7,445.4,641.1,821.3],"positive_points":[[533.3,471.3],[449.5,636.1],[536.5,800],[626,629.6],[573.4,569.4],[534.9,633.3]],"negative_points":[[634.4,681.5],[349,473.1],[190.1,185.2],[703.1,796.3]],"evidence":"目标是画面中央偏右下的大型粉黄放射烟花。框紧贴粉色外射线的上下左右端点，包含黄色、白色内射线及中心，不计周围光晕。正点分布在外射线、黄色内射线和中心；负点位于右侧重叠的独立小烟花、左侧小烟花、左上烟花及右下黑色背景。"}},{"name":"Upper-left cyan-and-yellow firework","description":"A burst near the upper-left corner that develops from a small dark ring into a large pattern of pale yellow and cyan rays, sometimes extending beyond the image edges.","membership":"Includes all visible portions of this burst, its rays and dispersing particles, and the central area enclosed by its ring-like phases. Excludes glow, background, and other bursts.","id":"obj_002","temporal":{"status":"found","start_s":0.5,"end_s":1.0,"reference_s":0.5,"evidence":"目标是左上角由浅黄与青色放射线组成的烟花。0.25秒仍为暗淡小环的初始显现阶段；0.5秒放射结构完整，0.75秒仍保持完整扩张形态，部分射线延伸至画面外。1.0秒中心明显空开，射线开始分离、消散，因此最后纳入0.75秒。选择0.5秒为关键帧，此时目标完整位于画面内，与其他烟花易于区分。","start_frame":12,"end_frame":24,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[145,105.6,235,264.8],"positive_points":[[190.1,185.2],[186.5,116.7],[226,179.6],[193.2,251.9],[157.3,225],[154.7,155.6]],"negative_points":[[115,185],[260,185],[349,474],[535,633]],"evidence":"目标是左上角青色中心、淡黄色放射状射线的烟花。边界框紧贴可见中心与全部射线，不含外围辉光。六个正点分布于中心及不同方向的射线；负点位于左右外部背景、左侧粉色小烟花及下方大型烟花上。"}},{"name":"Middle-left pink firework","description":"A smaller pink and lilac burst left of the central firework, with a bright white center and several tiers of narrow radial rays.","membership":"Includes this complete rosette, its radial rays and dispersing particles, and the center enclosed during ring-like phases. Excludes surrounding glow and neighboring fireworks.","id":"obj_003","temporal":{"status":"found","start_s":0.5,"end_s":2.75,"reference_s":0.75,"evidence":"目标是中央大烟花左侧的粉红、淡紫色小花状烟花，包含其射线、环状中心区域及散开的粒子。0.25秒仅见暗淡的初始小环；0.5秒花状结构已完整明亮，此后扩张、散开并再次绽放，采样中未完全消失。最后符合帧为2.5秒，仍有该位置的粉紫色粒子；2.75秒已消失。选择0.75秒，因多层细射线和白色中心清楚，较易与邻近烟花区分。","start_frame":12,"end_frame":66,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[296,379,402.1,567.6],"positive_points":[[347.4,472.2],[347.4,397.2],[309.4,475.9],[327.1,539.8],[372.4,541.7],[387,432.4]],"negative_points":[[425,521.3],[192.2,277.8],[824.5,393.5],[281.3,564.8]],"evidence":"目标是中央大型烟花左侧、具有亮白中心的粉色与淡紫色小型放射花簇。边界框紧贴该花簇的完整可见射线，不包含周围光晕或邻近烟花。正点分布于中心及上下左右的射线；负点位于相邻大型烟花、右侧红色烟花和左下方外部背景。"}},{"name":"Lower-middle-right pink firework","description":"A small pink and lilac burst immediately to the right and slightly below the central firework. Its expanding rays overlap the larger central burst.","membership":"Includes this burst's rosette, rays, dispersing particles, and central area enclosed during ring-like phases. Excludes the overlapping central firework and surrounding glow.","id":"obj_004","temporal":{"status":"found","start_s":0.5,"end_s":1.5,"reference_s":0.75,"evidence":"目标位于中央大烟花右下方，是与其射线重叠的小型粉红、淡紫烟花。0.50秒花状核心已完整明亮，至1.25秒仍可辨认其扩散射线和环状中央区域；此前0.25秒仅为暗淡的初始显现，之后1.50秒已消退为零星碎点，并出现下一轮暗淡核心。选择0.75秒，因小烟花射线清楚，与中央大烟花较易区分。","start_frame":12,"end_frame":36,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[586,591,688,776],"positive_points":[[633,609],[658,608],[678,680],[674,719],[635,761],[644,705]],"negative_points":[[694,629],[534,388],[348,472],[732,762]],"evidence":"目标是中央大型烟花右下方、与其射线重叠的小型粉红和淡紫色烟花。边框覆盖该小烟花可见的花心与放射状射线；六个正点分布在其上方、右侧、下方射线及内层花瓣，负点位于大型中央烟花、左侧另一朵烟花和外部背景，排除重叠对象及周围辉光。"}},{"name":"Right-side red-and-pink firework","description":"A burst on the right side above mid-height, distinguished by saturated red outer rays and lighter pink inner rays.","membership":"Includes the complete red-and-pink burst, its dispersing particles, and the central area enclosed during ring-like phases. Excludes glow, background, and neighboring bursts.","id":"obj_005","temporal":{"status":"found","start_s":0.75,"end_s":1.75,"reference_s":1.0,"evidence":"目标位于右侧中线以上，外圈为饱和红色射线，内圈为浅粉色射线。首次完整呈现为0.75秒，按目标范围保留其散射粒子，最后 qualifying 帧为1.50秒。此前0.50秒仅有尚未展开的小红点；此后1.75秒原 burst 的粒子已消失，同位置开始新一轮绽放，不合并。选择1.00秒，双色射线完整清晰，且与邻近烟花易于区分。","start_frame":18,"end_frame":42,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[726,219.4,921.9,567.6],"positive_points":[[822.4,247.2],[905.7,391.7],[825,544.4],[739.6,395.4],[787.5,367.6],[860.9,462]],"negative_points":[[953.1,509.3],[755.2,166.7],[631.8,638.9],[796.9,784.3]],"evidence":"目标位于画面右侧中线以上，外层为鲜红长射线、内层为浅粉短射线。边界框紧贴完整放射状烟花的最外端；六个正点分布在上下左右的红色射线及浅粉射线上，四个负点位于外部暗背景、下方邻近烟花和独立粉色粒子上。"}},{"name":"Upper-center multicolored firework","description":"A burst near the top, right of center, with purple-pink outer rays, mint-cyan inner rays, and a pale yellow center. Its larger phases are cropped by the top edge.","membership":"Includes the visible rosette, all associated rays and dispersing particles, and the center enclosed during ring-like phases. Excludes surrounding glow and independent fireworks.","id":"obj_006","temporal":{"status":"found","start_s":1.0,"end_s":3.25,"reference_s":1.0,"evidence":"目标位于画面上方偏右，具有紫粉外层、薄荷青内层和淡黄中心。0.75秒仅见暗淡的初始淡入花形，1.00秒完整明亮的花形已建立；随后扩张为顶部有意裁切的放射线，并经历环状及粒子阶段，至3.00秒仍有所属粒子可见，3.25秒完全消失。选择1.00秒为关键帧，此时花形完整、无遮挡，且容易与周围烟花区分。","start_frame":24,"end_frame":78,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[556.8,41.7,643.2,196.3],"positive_points":[[597,54],[566,118],[602,184],[636,110],[579,111],[605,124]],"negative_points":[[536,120],[672,111],[599,15],[599,240]],"evidence":"目标是上方偏右的多色花状烟花，具有紫粉色外缘、薄荷青色内层和淡黄色中心。边界框紧贴完整可见花冠；六个正点分布在外缘、内层及中心，四个负点位于其上下左右的外部暗背景，避开其他烟花。"}},{"name":"Lower-left pink-and-yellow firework","description":"A burst in the lower-left portion of the image, with salmon-pink outer rays and yellow and white inner rays, separate from the similarly colored central burst.","membership":"Includes this complete burst, its associated dispersing particles, and the central area enclosed during ring-like phases. Excludes background, glow, and rays belonging to the upper-left burst.","id":"obj_007","temporal":{"status":"found","start_s":1.0,"end_s":2.0,"reference_s":1.5,"evidence":"目标位于左下方，外层为鲑粉色、内层为黄色和白色，与中央同色烟花分离。1.00秒首次清晰完整呈现，随后扩张并散成环状粒子，最后符合条件的帧为1.75秒；0.75秒仅见初始暗淡小光团，2.00秒上一轮粒子已消失，出现新一轮小光团。选择1.50秒作为关键帧，完整放射结构清楚，与左上烟花的射线无明显重叠。","start_frame":24,"end_frame":48,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[65.1,492.6,331.3,966.7],"positive_points":[[196.9,520.4],[78.1,732.4],[199.5,940.7],[320.3,727.8],[265.6,696.3],[172.9,654.6]],"negative_points":[[532.8,632.4],[49.5,440.7],[50.0,944.4],[500.5,440.7]],"evidence":"目标是左下方独立的烟花，外层为鲑粉色长射线，内层为黄色和白色射线。框紧贴该完整烟花的可见外缘；六个正点分布在上下左右的粉色射线及黄、白内层射线上。负点位于中央另一朵烟花、左侧青色粒子、左下外部背景及上方大烟花上，排除这些非目标内容。"}},{"name":"Lower-right lilac firework","description":"The lowest burst on the right, initially a small pink dot that expands into lilac-pink rays around a white center.","membership":"Includes this rosette, its rays and dispersing particles, and its enclosed central area during ring-like phases. Excludes neighboring fireworks and surrounding glow.","id":"obj_008","temporal":{"status":"found","start_s":1.25,"end_s":1.75,"reference_s":1.5,"evidence":"目标是右侧最低处、以白色中心向外展开淡紫粉色射线的烟花。1.00秒仍是初始小粉点，1.25秒花状射线已完整建立；1.50秒为最后完整帧，1.75秒射线开始分离、进入散开退场阶段，因此不纳入。选择1.50秒作关键帧，目标清晰且与邻近烟花分离。","start_frame":30,"end_frame":42,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[720.8,649.1,872.9,919.4],"positive_points":[[795.8,671.3],[852.6,725.9],[865.1,782.4],[798.4,900.9],[761.5,887.0],[727.6,786.1]],"negative_points":[[634.4,681.5],[534.4,634.3],[948.0,518.5],[916.7,876.9]],"evidence":"目标是右下方最低处的淡紫粉色放射状烟花。边界框紧贴其全部可见射线，不包含上方红色烟花的水滴状粒子或周围光晕。六个正点分布在不同方向的射线上；负点位于邻近烟花及右侧外部暗背景。"}},{"name":"After Effects text","description":"The title “After Effects,” progressively revealed near the top of the cream-colored layout. It later moves into the middle row and remains as black lettering in the final white layout.","membership":"Includes all letters of the complete “After Effects” text block, including separated letters during its reveal. Excludes surrounding outline boxes, later contour-like borders, colored panels, and background.","id":"obj_009","temporal":{"status":"found","start_s":3.75,"end_s":7.0,"reference_s":4.25,"evidence":"目标为黑色“After Effects”完整文字，不含外框及色块。3.50秒仅显示部分字母，尚未完成揭示；3.75秒全部字母完整出现，此后缩放、移动至中间行，并延续到最终白色布局。最后合格帧为6.75秒，文字仍完整，故区间延至视频结尾7.00秒，之后无采样帧。选择4.25秒作为关键帧，文字清晰完整、无遮挡，易与周围边框区分。","start_frame":90,"end_frame":168,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[244.8,181.5,649.5,249.1],"positive_points":[[251.0,241.7],[300.5,212.0],[352.6,241.7],[440.1,213.0],[539.6,241.7],[638.5,240.7]],"negative_points":[[218.8,213.0],[450.0,297.2],[490.0,450.0],[750.0,220.0]],"evidence":"目标是画面上方黑色标题“After Effects”。边界框紧贴完整文字的可见范围，不含外围圆角线框。六个正点分布在标题左右两部分的字母笔画上；负点位于外围线框、黄色面板及右侧米色背景上。"}},{"name":"Yellow rectangular panel","description":"A mustard-yellow textured rectangle entering from the right beneath “After Effects.” It slides, changes size, briefly tilts, and settles toward the lower-left portion of the multicolored layout.","membership":"Includes the full yellow panel surface and its actual rectangular boundary through movement and rotation. Excludes nearby text, outline boxes, the blue panel, and the striped arc.","id":"obj_010","temporal":{"status":"found","start_s":4.0,"end_s":6.5,"reference_s":4.5,"evidence":"目标是“After Effects”下方的芥末黄色纹理矩形面板，随后缩放、倾斜并移向左下。首个合格帧为4.00秒，面板四边已完整进入画面；前一帧3.75秒仍被右侧画面边界裁切。最后合格帧为6.25秒，6.50秒切换为白底文字布局，黄色面板消失。选择4.50秒作为关键帧，面板完整、边界清晰且无遮挡，便于空间标注。","start_frame":96,"end_frame":156,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[220.8,383.3,840.6,692.6],"positive_points":[[250,433],[398,468],[581,424],[799,460],[714,627],[327,637]],"negative_points":[[490,295],[425,834],[889,520],[691,304]],"evidence":"目标是“After Effects”下方的芥末黄色纹理矩形。边界框紧贴黄色面板的完整可见范围；六个正点分散覆盖面板表面，四个负点分别位于上方文字、下方蓝色面板及外侧网格背景，排除邻近对象。"}},{"name":"Blue rectangular panel","description":"A large deep-blue textured rectangle entering from the lower left, occupying the bottom-left portion of the cream layout beneath the yellow panel.","membership":"Includes the visible blue panel surface, its darker texture, and its boundary. Excludes adjacent yellow and cream regions, text, and overlaid text borders.","id":"obj_011","temporal":{"status":"found","start_s":3.75,"end_s":6.5,"reference_s":4.25,"evidence":"目标是奶油色布局左下方、黄色面板下方的深蓝色纹理矩形。3.50秒仅见入场的窄条；3.75秒蓝色面板的可见表面及边界已建立，之后持续移动、缩放，左侧和底部贴边属于刻意裁切的布局。最后合格帧为6.25秒，6.50秒画面改为白色背景，蓝色面板消失。选择4.25秒作为关键帧，此时蓝色表面、深色纹理及其与黄色和奶油色区域的边界清晰，无遮挡。","start_frame":90,"end_frame":156,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[0,659.3,683.3,1000],"positive_points":[[65,716],[189,815],[302,940],[428,733],[553,868],[653,952]],"negative_points":[[167,572],[508,478],[835,612],[773,855]],"evidence":"目标是从左下方进入、位于黄色面板下方的深蓝色纹理矩形。边界框覆盖其全部可见表面，左边及底边抵达图像边缘。六个正点分布在蓝色表面及深色纹理上；负点位于上方黄色区域和周围米色背景，均远离蓝色边界。"}},{"name":"Green rounded panel","description":"A green textured panel descending from the top with rounded lower corners. The “Premiere Pro” title is subsequently displayed over it.","membership":"Includes the visible green surface, rounded boundary, and contents within the panel, including the separately listed text where it overlaps. Excludes surrounding cream background and portions of text or borders extending beyond the panel.","id":"obj_012","temporal":{"status":"found","start_s":5.25,"end_s":6.5,"reference_s":5.5,"evidence":"目标是顶部带绿色纹理、下方两角圆润的面板，“Premiere Pro”文字叠在其上。5.00秒仍处于从画面顶部进入的阶段；5.25秒绿色表面和圆角边界已完整建立，顶部贴边裁切属于设计构图。最后合格帧为6.25秒，6.50秒切换为白底文字画面，绿色面板消失。选择5.50秒作为关键帧，面板边界清晰，文字位于面板内，便于标注。","start_frame":126,"end_frame":156,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[269.3,0,618.8,405.6],"positive_points":[[291,73],[582,103],[435,170],[337,267],[553,349],[352,378]],"negative_points":[[234,217],[653,164],[543,444],[380,643]],"evidence":"目标是从图像顶部垂下、下方两角圆润的绿色纹理面板，内有“Premiere Pro”标题。边界框紧贴可见绿色面板，顶部截于图像边缘。正点分布在面板上、中、下部及标题区域；负点位于面板外的米色背景和下方黄色矩形上。"}},{"name":"Purple-and-pink striped arc","description":"A broad curved band entering from the right, patterned with alternating purple and pink stripes. It sweeps through the right side of the layout beside and behind the software titles.","membership":"Includes only the visible curved band and its stripe pattern, following its inner and outer edges. The arc remains open; its large interior background area is excluded, as are overlaid text and text borders.","id":"obj_013","temporal":{"status":"found","start_s":5.25,"end_s":6.5,"reference_s":5.5,"evidence":"目标是软件标题右侧及后方交替紫色、粉色条纹的宽弧带，不包含弧内背景和叠加文字。5.00秒仅露出从右侧进入的局部，5.25秒形成完整的设计展示（上下端按构图裁切），此后条纹持续变形，最后合格帧为6.25秒。6.50秒切换为白底文字画面，弧带消失。选择5.50秒作关键帧，弧带内外边缘清楚，文字遮挡较少。","start_frame":126,"end_frame":156,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[543.2,187,1000,1000],"positive_points":[[567.7,925.9],[596.4,731.5],[662.5,511.1],[760.4,347.2],[875,252.8],[968.8,228.7]],"negative_points":[[781.3,555.6],[927.1,898.1],[505.2,722.2],[677.1,231.5]],"evidence":"目标是右侧交替紫色与粉色条纹的宽弧带，从右上方弯向画面底边。边界框紧贴可见弧带的最上、最左及画面右侧和底部截断处。六个正点沿弧带分散覆盖不同条纹；四个负点位于弧带内侧的大块背景及外侧背景，避开文字和边框。"}},{"name":"CINEMA 4D text","description":"The title “CINEMA 4D,” first revealed on the lower right beside the striped arc. It moves into the bottom row and persists in the final white layout.","membership":"Includes the complete “CINEMA 4D” lettering as one text block. Excludes its surrounding outline box, later contour-like border, striped arc, colored panels, and background.","id":"obj_014","temporal":{"status":"found","start_s":5.25,"end_s":7.0,"reference_s":5.5,"evidence":"目标是条纹弧线旁首次出现、随后移至底行并延续到白色布局的完整“CINEMA 4D”文字，不含外框。5.00秒文字尚未完整显露；5.25秒首次完整呈现，之后持续可见，最后合格帧为6.75秒。区间到达视频结尾，无后续采样帧。选择5.50秒为关键帧，此时文字清晰完整，与弧线及其他文字分离，便于标注。","start_frame":126,"end_frame":168,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[703.6,709.3,927.1,752.8],"positive_points":[[707.4,730.6],[750.5,730.6],[781.3,731.5],[805.2,730.6],[883.9,724.1],[923.4,730.6]],"negative_points":[[663.8,722.2],[635.4,583.3],[416.7,648.1],[833.3,833.3]],"evidence":"目标是图像右下方框内的“CINEMA 4D”文字。边界框紧贴完整文字块，不含外围细线框。六个正点分布在不同字母和数字的笔画上；负点位于外围框线、条纹弧、黄色面板及文字下方背景。"}},{"name":"Premiere Pro text","description":"The title “Premiere Pro,” introduced over the green panel near the top. It remains the upper title as the three software names enlarge and transition to the final white layout.","membership":"Includes the complete “Premiere Pro” lettering. Excludes the green backing panel, surrounding outline box, later contour-like border, and background.","id":"obj_015","temporal":{"status":"found","start_s":5.25,"end_s":7.0,"reference_s":6.5,"evidence":"目标为绿色面板上方出现、随后始终位于三行软件名称最上方的完整“Premiere Pro”字样，不含面板及外框。首个合格帧为5.25秒，前一帧5.00秒仅见绿色面板，尚无该文字。文字持续移动、放大并转入白色布局，最后合格帧为6.75秒，仍完整可见；区间延至视频结尾7.00秒，无后续帧。选择6.50秒作为关键帧，文字较大、清晰且无遮挡。","start_frame":126,"end_frame":168,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[276.0,114.8,725.5,191.7],"positive_points":[[281.3,157.4],[416.7,163.0],[457.8,154.6],[552.1,185.2],[621.4,156.5],[720.8,163.9]],"negative_points":[[248.4,175.9],[510.4,240.7],[341.1,498.1],[833.3,300.9]],"evidence":"目标是图像上方的黑色“Premiere Pro”标题。边界框紧贴完整文字，包含字母及 i 的圆点，不含外围轮廓框。六个正点分布于标题不同字母的实心笔画上；负点位于外围边框、下方其他标题及右侧背景。"}}]}
+{"video_id":273,"video_type":"icons and abstract motion graphics","targets":[{"name":"UTOPIAN title","description":"The opening word “UTOPIAN,” assembled from thick black geometric letterforms with orange, blue, and white compartments, centered on a wide yellow panel.","membership":"Includes all seven letterforms, their black outlines, and enclosed colored areas throughout their assembly and movement. Excludes the yellow backing panel and surrounding patterned blocks.","id":"obj_001","temporal":{"status":"found","start_s":1.75,"end_s":4.0,"reference_s":2.5,"evidence":"目标是黄色宽面板中央由黑色粗几何轮廓及橙、蓝、白色内部分区组成的七字母“UTOPIAN”，不含背景面板。首个完整呈现帧为1.75秒；前一帧1.50秒的首尾字母仍未完成显现。最后合格帧为3.75秒，标题虽移动但七个字母仍完整可见；下一帧4.00秒已消失，仅余几何背景。选择2.50秒作为关键帧，标题完整清晰、无遮挡且易与周围装饰区分。","start_frame":42,"end_frame":96,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[163.0,397.2,827.1,593.5],"positive_points":[[222.9,489.8],[303.6,441.7],[411.5,537.0],[502.6,500.0],[682.3,544.4],[788.0,483.3]],"negative_points":[[502.6,319.4],[512.0,656.5],[697.9,138.9],[937.5,481.5]],"evidence":"目标是黄色横向面板中央的“UTOPIAN”七个几何字母。紧框覆盖全部字母的黑色轮廓及内部彩色区域，不含黄色底板。六个正点分散在不同字母的彩色填充内；负点位于文字上、下方的黄色背景及外围橙色、蓝色块，避开字间空隙和字母内部。"}},{"name":"BACK text","description":"“BACK” in multicolored geometric capitals on the upper yellow panel of the “BACK TO BASICS” composition.","membership":"Includes the complete word’s outlined glyphs and enclosed colored areas, including its progressive reveal. Excludes its backing panel and neighboring graphics.","id":"obj_002","temporal":{"status":"found","start_s":5.5,"end_s":6.75,"reference_s":6.25,"evidence":"目标是“BACK TO BASICS”构图上方黄色面板内的彩色几何大写词“BACK”，不包括面板。5.50秒首次完整呈现，持续至6.50秒；此前5.25秒仅“BA”及尚未完成的字形可见，之后6.75秒已切换为其他几何图案，目标消失。选择6.25秒为关键帧，此时完整单词清晰、无遮挡。","start_frame":132,"end_frame":162,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[244.3,106.5,614.6,324.1],"positive_points":[[281,262],[378,275],[472,173],[471,258],[566,169],[568,266]],"negative_points":[[678,222],[117,213],[411,546],[541,740]],"evidence":"目标是上方黄色面板中的几何大写单词“BACK”。边界框紧贴四个字母的完整外轮廓，包含黑色描边及封闭的彩色区域。正点分布在各字母的内部填色上；负点位于右侧黄色底板、左侧橙色面板及下方相邻文字，均不在目标字母内部或字间空隙。"}},{"name":"TO text","description":"“TO” in geometric capitals on the orange panel directly below “BACK”; the T has a blue top and white stem, and the O is divided into white and yellow halves.","membership":"Includes both complete glyphs, their outlines, and enclosed colored areas throughout assembly. Excludes the orange panel and adjacent striped regions.","id":"obj_003","temporal":{"status":"found","start_s":5.75,"end_s":6.75,"reference_s":6.25,"evidence":"目标位于“BACK”下方的橙色面板内：T为蓝色横顶、白色竖干，O为白色上半和黄色下半，均有黑色轮廓。首个完整帧为5.75秒；此前5.50秒的O仍是未完成的竖条形态。最后符合条件的帧为6.50秒，6.75秒已切换至其他几何图案，目标消失。选择6.25秒作为关键帧，两枚字形完整清晰且无遮挡。","start_frame":138,"end_frame":162,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[247.4,388.9,474,606.5],"positive_points":[[268.2,435.2],[325,443.5],[292.7,535.2],[406.3,444.4],[414.1,549.1],[463.5,502.8]],"negative_points":[[237,532.4],[500.5,537],[570.3,500],[291.7,740.7]],"evidence":"目标是“BACK”下方橙色面板中的“TO”。边界框紧贴两个完整字形，包含黑色轮廓及蓝、白、黄色内部区域。正点分布在T的横部、竖干及O的上下填色和右侧轮廓；负点位于外围橙色面板、右侧条纹和下方其他文字上。"}},{"name":"BASICS text","description":"“BASICS” in black-outlined, multicolored geometric capitals on the white lower panel beneath “TO.”","membership":"Includes the entire word’s glyphs and enclosed colored compartments throughout its reveal. Excludes the white panel and surrounding decorative blocks.","id":"obj_004","temporal":{"status":"found","start_s":6.25,"end_s":6.75,"reference_s":6.25,"evidence":"目标是“TO”下方白色面板内由黑色轮廓和彩色几何分区组成的整词“BASICS”，不含面板。6.25秒首次完整呈现，6.50秒为最后合格帧；此前6.00秒末尾的S仍是未完成的矩形结构，之后6.75秒画面切换，目标消失。选择6.25秒作为关键帧，整词清晰完整且无遮挡。","start_frame":150,"end_frame":162,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[244.3,677.8,752.1,893.5],"positive_points":[[278.1,731.5],[380.7,841.7],[469.8,730.6],[541.7,828.7],[614.6,738.9],[719.3,842.6]],"negative_points":[[234.4,777.8],[510.4,904.6],[833.3,777.8],[494.8,537.0]],"evidence":"目标为“TO”下方白色面板上的彩色几何大写单词“BASICS”。边界框紧贴整词六个字母的可见外缘；六个正点分别落在各字母的彩色封闭区域内，负点位于字外白色面板及周围蓝色、橙色装饰区域，排除了字间空隙和字内空间。"}},{"name":"Uppercase alphabet specimen","description":"A progressively assembled uppercase alphabet on a large white panel, ultimately arranged in three rows: “ABCDEFGHI,” “JKLMNOPQR,” and “STUVWXYZ.” The letters have thick black outlines and blue, yellow, and orange interiors.","membership":"Includes all alphabet glyphs across the three rows, with their outlines and enclosed colored areas. Excludes the white backing panel, the separate “UPPERCASE” label, and surrounding patterns.","id":"obj_005","temporal":{"status":"found","start_s":10.5,"end_s":11.5,"reference_s":10.75,"evidence":"目标是白色面板上的三行大写字母 ABCDEFGHI、JKLMNOPQR、STUVWXYZ，具有粗黑轮廓及蓝、黄、橙色内填，不包括面板和“UPPERCASE”标签。10.50秒首次全部完成，最后 qualifying 帧为11.25秒；前一帧10.25秒末行的X、Y、Z仍未完成，后一帧11.50秒字母组右端开始被裁切。选择10.75秒作为关键帧，三行字母完整清晰且无遮挡。","start_frame":252,"end_frame":276,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[82.8,218.5,644.3,746.3],"positive_points":[[128.1,270.4],[614.6,253.7],[111.5,463.0],[342.7,473.1],[240.1,680.6],[597.9,685.2]],"negative_points":[[65.1,379.6],[364.6,138.9],[364.6,833.3],[782.3,500.0]],"evidence":"目标是白色面板上三行彩色黑边大写字母 ABCDEFGHI、JKLMNOPQR 和 STUVWXYZ。边界框紧贴全部字母的最外缘，不包含白色底板、右侧 UPPERCASE 标签或周边图案。六个正点分布在三行字母的实际彩色笔画上；负点位于字母块外的白色背景及右侧独立标签处。"}},{"name":"UPPERCASE label","description":"The plain black word “UPPERCASE,” centered on the tall yellow panel to the right of the alphabet specimen.","membership":"Includes only the letters of “UPPERCASE.” Excludes the yellow panel, its border, and the adjacent alphabet specimen.","id":"obj_006","temporal":{"status":"found","start_s":8.0,"end_s":11.5,"reference_s":10.75,"evidence":"目标是字母表右侧黄色高面板中居中的黑色“UPPERCASE”文字，仅包含字母。首个完整呈现帧为8.00秒，之前7.75秒尚未出现；最后合格帧为11.25秒，11.50秒文字随画面横移开始被遮裁，已不完整。选择10.75秒作为关键帧，文字完整清晰、无遮挡，易与旁边的彩色字母表区分。","start_frame":192,"end_frame":276,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[705.7,475.9,910.4,527.8],"positive_points":[[708.3,492.6],[734.4,507.4],[778.6,499.1],[821.4,500.9],[880.2,500],[895.8,501.9]],"negative_points":[[770,420],[850,590],[695,500],[605,475]],"evidence":"目标是右侧黄色长面板中央的黑色单词“UPPERCASE”。边界框紧贴整个单词的可见字母范围；六个正点分布在不同字母的黑色笔画上，负点位于单词外的黄色面板及左侧独立的彩色字母样本上。"}},{"name":"Numbers and punctuation label","description":"The plain black heading “NUMBERS & PUNCTUATION,” arranged on three lines on a tall yellow panel to the left of the symbol specimens.","membership":"Includes the complete heading and ampersand as one text block. Excludes its yellow backing panel, border, and the specimens to its right.","id":"obj_007","temporal":{"status":"found","start_s":12.25,"end_s":15.25,"reference_s":14.0,"evidence":"目标是左侧高黄色面板上的三行黑色标题“NUMBERS / & / PUNCTUATION”，不包括面板及右侧符号。12.25秒首次完整显示；此前12.00秒最下行左端仍受面板边界裁切。最后合格帧为15.00秒，15.25秒已切换为其他几何图案，标题消失。选择14.00秒作为关键帧，标题完整清晰且无遮挡。","start_frame":294,"end_frame":366,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[85.4,390.7,334.4,598.2],"positive_points":[[127.6,415.7],[286.5,398.1],[203.1,503.7],[216.7,498.1],[89.6,578.7],[330.7,575.9]],"negative_points":[[208.3,324.1],[208.3,666.7],[93.8,481.5],[391.7,463.0]],"evidence":"目标是左侧黄色面板上的三行黑色标题“NUMBERS”“&”“PUNCTUATION”。边界框紧贴整个文字块，包含行间空隙但不包含面板和边框。六个正点分布在三行文字的笔画上；负点位于文字块外的黄色底板及右侧浅色背景。"}},{"name":"Numeral specimen","description":"Geometric digits zero through nine, progressively revealed in two rows on the upper white panel to the right of “NUMBERS & PUNCTUATION.” They use black outlines and blue, orange, and yellow compartments.","membership":"Includes all ten numeral glyphs across both rows, their outlines, and enclosed colored areas. Excludes the white panel, the heading, and the punctuation specimen below.","id":"obj_008","temporal":{"status":"found","start_s":13.0,"end_s":15.25,"reference_s":14.0,"evidence":"目标是“NUMBERS & PUNCTUATION”右侧上方白色面板内分两行排列的0至9，具有黑色轮廓及蓝、橙、黄色分区。13.0秒首次十个数字均完整呈现；前一帧12.75秒后排部分数字仍为未完成的几何形状。最后合格帧为15.0秒，15.25秒已切换为不含数字的新画面。选择14.0秒为关键帧，十个数字轮廓清晰、无遮挡，且易与下方标点区分。","start_frame":312,"end_frame":366,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[493.2,175.9,812.5,538.0],"positive_points":[[531.3,213.9],[660.9,227.8],[788.0,229.6],[530.7,493.5],[657.8,463.9],[796.9,451.9]],"negative_points":[[640.6,125.0],[898.4,379.6],[206.8,416.7],[599.0,759.3]],"evidence":"目标是右上白色面板中分两行排列的0至9几何数字，具有黑色轮廓及蓝、橙、黄色分区。边界框紧贴全部十个数字的整体外缘；六个正点分布在两行不同数字的彩色区域，负点位于数字外部白色背景、左侧标题和下方标点上。"}},{"name":"Punctuation specimen","description":"A horizontal symbol sample on the lower white panel beneath the numerals, showing “. , : ; ! ? / & # +” with several symbols using colored geometric compartments.","membership":"Includes all punctuation and symbol glyphs in this row, including their outlines and enclosed colored areas. Excludes the white backing panel, its border, and the numeral specimen above.","id":"obj_009","temporal":{"status":"found","start_s":13.75,"end_s":15.25,"reference_s":14.25,"evidence":"目标是数字下方白色面板中的整行“. , : ; ! ? / & # +”符号，不包含面板和上方数字。13.75秒所有符号首次完整呈现；此前13.50秒的“&”仍是未完成的几何形态。最后合格帧为15.00秒，15.25秒已切换为无该符号行的图案画面。选择14.25秒作为关键帧，此时整行清晰、无遮挡，便于标注。","start_frame":330,"end_frame":366,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[389.58,708.33,925,852.78],"positive_points":[[395.31,829.63],[500,780.56],[599.48,750.93],[677.08,766.67],[775,800.93],[906.25,781.48]],"negative_points":[[450,740],[650,887],[718,435],[650,643]],"evidence":"目标是数字下方白色面板中的“. , : ; ! ? / & # +”整行符号。边界框紧贴全部符号的可见范围；正点分布在句点、冒号、感叹号、问号、与号及加号的笔画或彩色区域上，负点位于行外白色背景、上方数字和面板边框上。"}},{"name":"SEDUCE text","description":"“SEDUCE” in large geometric capitals across the upper blue panel of the “SEDUCE THE EYE” composition, with orange and white compartments inside thick black outlines.","membership":"Includes the complete word’s glyphs, outlines, and enclosed colored areas throughout assembly. Excludes the blue panel and surrounding striped blocks.","id":"obj_010","temporal":{"status":"found","start_s":17.5,"end_s":18.75,"reference_s":18.0,"evidence":"目标是上方蓝色面板中的完整“SEDUCE”字样，具有粗黑轮廓及橙、白色内部区域，不包括面板。17.50秒首次完整呈现，18.50秒为最后一个符合条件的采样帧；此前17.25秒的后部字母仍在组装，之后18.75秒已切换构图，目标消失。选择18.00秒作为关键帧，此时整词清晰、完整且无遮挡。","start_frame":420,"end_frame":450,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[140.63,109.26,746.35,325.93],"positive_points":[[175.52,166.67],[269.79,157.41],[358.33,224.07],[504.17,214.81],[592.19,263.89],[701.56,279.63]],"negative_points":[[429.69,138.89],[661.46,467.59],[859.38,203.7],[625,32.41]],"evidence":"目标是上方蓝色面板中的几何大写单词“SEDUCE”。边界框紧贴六个字母的完整外缘，覆盖黑色轮廓及其包围的彩色区域。六个正点分别位于六个字母内部；负点位于字形外的蓝色面板、下方白色面板、右侧条纹块及顶部黄色区域。"}},{"name":"THE text in SEDUCE THE EYE","description":"“THE” on the white middle panel below “SEDUCE,” using black-outlined geometric letters with blue, white, and orange interiors.","membership":"Includes the three complete glyphs and their enclosed colored compartments throughout reveal. Excludes the white panel and adjacent graphics.","id":"obj_011","temporal":{"status":"found","start_s":17.75,"end_s":18.75,"reference_s":18.0,"evidence":"目标是“SEDUCE”下方白色中间面板上的“THE”，包含黑色轮廓及蓝、白、橙色内部区域，不含面板。17.75秒三个字形首次完整呈现；此前17.50秒的H和E仍为未完成的变形揭示。最后合格帧为18.50秒，18.75秒已切换为不含该文字的图案。选择18.00秒为关键帧，三个字形清晰完整且无遮挡。","start_frame":426,"end_frame":450,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[245.8,398.1,563.5,609.3],"positive_points":[[288.5,444.4],[291.1,540.7],[404.7,472.2],[404.7,537.0],[516.1,440.7],[517.2,564.8]],"negative_points":[[170.0,500.0],[640.6,495.4],[487.5,260.2],[463.5,750.0]],"evidence":"目标是上方“SEDUCE”下方白色面板中的“THE”。边框紧贴三个完整几何字形，包含黑色轮廓及其封闭的彩色、白色区域。六个正点分布于三个字母的不同部分；负点位于左侧条纹、右侧空白面板、上方文字和下方橙色区域，均在目标之外。"}},{"name":"EYE text","description":"“EYE” on the orange lower panel beneath “THE,” with stacked rectangular E forms and a funnel-shaped Y.","membership":"Includes all three outlined glyphs and their enclosed colored areas. Excludes the orange backing panel and neighboring patterned blocks.","id":"obj_012","temporal":{"status":"found","start_s":18.0,"end_s":18.75,"reference_s":18.25,"evidence":"目标是“THE”下方橙色面板上的“EYE”，包括两个堆叠矩形 E 和中间漏斗形 Y，不包括背景面板。18.00 秒三个字形首次全部完成，最后合格帧为 18.50 秒；前一帧 17.75 秒右侧 E 仍是未完成的矩形形态，后一帧 18.75 秒已切换为无该文字的布局。选择 18.25 秒作为关键帧，三字形完整清晰、无遮挡。","start_frame":432,"end_frame":450,"reference_frame":438},"grounding":{"status":"found","bbox_xyxy":[247.4,680.6,570.8,892.6],"positive_points":[[286,724],[292,849],[408,738],[408,835],[522,724],[526,849]],"negative_points":[[237,780],[582,770],[645,796],[513,560]],"evidence":"目标是“THE”下方橙色面板内的“EYE”，由两个堆叠矩形E和中央漏斗形Y组成。边界框紧贴三个字形的整体外缘，包含黑色轮廓及其包围的彩色区域。六个正点分布在三个字形内部；负点位于两侧橙色底板、右侧条纹块及上方“THE”字形上。"}},{"name":"ENGAGE text","description":"“ENGAGE” in large black-outlined geometric capitals on the upper orange panel of the “ENGAGE THE MIND” composition, using white, blue, and yellow interiors.","membership":"Includes the whole word’s glyphs, outlines, and enclosed colored areas throughout assembly. Excludes the orange panel and surrounding graphics.","id":"obj_013","temporal":{"status":"found","start_s":20.0,"end_s":21.25,"reference_s":20.5,"evidence":"目标是“ENGAGE THE MIND”构图上方橙色面板中的整词“ENGAGE”，具有黑色几何轮廓及白、蓝、黄内色。20.00秒首次完整成字，21.00秒为最后符合条件的帧；此前19.75秒字形仍在组装，之后21.25秒已切换到另一构图，目标消失。选择20.50秒作关键帧，整词清晰完整、无遮挡，易与面板及其他文字区分。","start_frame":480,"end_frame":510,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[155.7,111.1,825.5,326.0],"positive_points":[[202.1,156.5],[306.8,210.2],[406.3,262.0],[547.9,277.8],[642.2,268.5],[779.2,281.5]],"negative_points":[[937.5,203.7],[55.7,217.6],[409.4,453.7],[312.5,740.7]],"evidence":"目标是上方橙色面板中的“ENGAGE”六个几何大写字母。边界框紧贴整词的黑色轮廓及其彩色内部；六个正点分别位于六个字母的填色区域。负点位于右侧橙色背景、左侧斜纹及下方“THE”和“MIND”等非目标内容上。"}},{"name":"THE text in ENGAGE THE MIND","description":"“THE” on the blue middle panel below “ENGAGE,” with yellow, blue, and white compartments inside heavy black letter outlines.","membership":"Includes the complete three-letter text and enclosed colored areas. Excludes the blue backing panel and neighboring striped regions.","id":"obj_014","temporal":{"status":"found","start_s":20.0,"end_s":21.25,"reference_s":20.5,"evidence":"目标是“ENGAGE”下方蓝色中间面板上的三字母“THE”，黑色粗轮廓内含黄、蓝、白色区域，不含面板。20.00秒首次完整呈现，持续至21.00秒；前一帧19.75秒字形仍在揭示，后一帧21.25秒已切换至另一画面，目标消失。选择20.50秒作为关键帧，三字母完整清晰、无遮挡。","start_frame":480,"end_frame":510,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[248.4,398.1,566.1,609.3],"positive_points":[[291.7,444.4],[294.8,545.4],[408.3,465.7],[408.3,538.0],[519.3,440.7],[519.8,565.7]],"negative_points":[[241,535],[410,624],[657,500],[500,166.7]],"evidence":"目标是上方“ENGAGE”下方蓝色中间面板中的“THE”。边界框紧贴三个字母的完整黑色外轮廓，包含内部彩色区域；六个正点分布在三个字母的不同色块内。负点位于文字左侧及下方的蓝色底板、右侧条纹区和上方橙色背景，不包含字间空隙。"}},{"name":"MIND text","description":"“MIND” on the yellow lower panel beneath “THE,” formed from angular and rounded black-outlined capitals with white and blue interiors.","membership":"Includes all four glyphs, their outlines, and enclosed colored areas throughout their reveal. Excludes the yellow panel and surrounding decoration.","id":"obj_015","temporal":{"status":"found","start_s":20.25,"end_s":21.25,"reference_s":20.5,"evidence":"目标是“THE”下方黄色面板内的“MIND”四个黑色轮廓、白蓝内饰字母，不包括面板。20.25秒四个字母首次完整呈现，持续至最后合格帧21.00秒；此前20.00秒仍是未完成的字形揭示，之后21.25秒已被新画面替换。选择20.50秒作为关键帧，四个字母完整清晰且无遮挡。","start_frame":486,"end_frame":510,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[249.5,682.4,653.7,892.6],"positive_points":[[287.5,750],[331.3,788.9],[417.7,835.2],[486.5,734.3],[584.4,740.7],[625.5,805.6]],"negative_points":[[182.3,787],[666.7,768.5],[755.2,768.5],[407.3,549.1]],"evidence":"目标是“THE”下方黄色面板中的“MIND”。边界框紧贴四个字母的完整外轮廓；六个正点分布在四个字母的白、蓝、黄色封闭区域内，负点位于字母外的黄色面板、左侧橙色区域及上方“THE”处。"}},{"name":"CUSTOMIZE text","description":"“CUSTOMIZE” across the upper wide panel in the final composition. Its geometric black-outlined letters first use blue, orange, and white, then change to palettes including pink, green, yellow, and dark gray.","membership":"Includes the complete word’s glyphs and enclosed colored compartments through assembly and recoloring. Excludes its changing backing panel and adjacent patterns.","id":"obj_016","temporal":{"status":"found","start_s":22.5,"end_s":25.0,"reference_s":23.0,"evidence":"目标是最终构图上方宽面板中的黑色几何描边单词“CUSTOMIZE”，不包含背景面板。22.25秒末尾字母仍在组装，22.5秒完整单词首次呈现；之后虽持续换色，字形保持完整，最后合格帧为24.75秒。区间延续至视频末尾25.0秒，无后续采样帧。选择23.0秒作为关键帧，完整字形清晰、无遮挡，易与下方“COLOUR”区分。","start_frame":540,"end_frame":600,"reference_frame":552},"grounding":{"status":"found","bbox_xyxy":[163.5,286.5,828,434],"positive_points":[[190,327],[282,356],[405,320],[488,393],[597,366],[797,402]],"negative_points":[[495,259],[573,463],[385,602],[927,352]],"evidence":"目标是上方黄色宽面板中的“CUSTOMIZE”。边界框紧贴完整单词，覆盖黑色轮廓及其内部蓝、橙、白色区域。六个正点分散在不同字母的实色部分；负点位于文字外的黄色底板、下方“COLOUR”及右侧斜纹区域。"}},{"name":"COLOUR text","description":"“COLOUR” across the lower wide panel beneath “CUSTOMIZE,” assembled in the same geometric display style and subsequently recolored along with the composition.","membership":"Includes all six glyphs, their black outlines, and enclosed colored areas throughout assembly and palette changes. Excludes the backing panel, surrounding blocks, and the separate “CUSTOMIZE” text.","id":"obj_017","temporal":{"status":"found","start_s":23.0,"end_s":25.0,"reference_s":23.25,"evidence":"目标是“CUSTOMIZE”下方宽面板中的六字母“COLOUR”，包含黑色轮廓及内部色块，不含背景面板。23.00秒六个字母首次完成揭示；此前22.75秒末尾字母仍处于组装变形阶段。此后文字持续存在并随构图换色，最后合格帧为24.75秒，区间延至25.00秒视频结束，无后续帧。选择23.25秒作为关键帧，此时字形完整清晰、无遮挡。","start_frame":552,"end_frame":600,"reference_frame":558},"grounding":{"status":"found","bbox_xyxy":[275.5,554,727.1,701],"positive_points":[[301,598],[387.5,594.4],[454.2,601.9],[540.6,596.3],[635.4,619.4],[680.2,629.6]],"negative_points":[[490,528],[490,734],[487.5,326.9],[122.4,625.9]],"evidence":"目标是下方蓝色宽面板内的“COLOUR”，位于“CUSTOMIZE”下方。边界框紧包六个几何字形及其黑色轮廓和内部色块。六个正点分别落在六个字形的内部色块上；负点位于文字上、下方的蓝色底板、上方独立的“CUSTOMIZE”文字以及左侧橙黑条纹区域。"}}]}
+{"video_id":274,"video_type":"icons and abstract motion graphics","targets":[{"name":"EUREKA animated title","description":"The opening centered six-letter title, assembled from colored geometric shapes and resolved into ornamental red, burgundy, and coral outline lettering spelling “EUREKA”.","membership":"Includes all six title glyphs and the geometric pieces forming them throughout their assembly. Includes enclosed areas of closed glyph patterns while preserving open strokes and external concavities. Excludes the underline, subtitle, and beige background.","id":"obj_001","temporal":{"status":"found","start_s":2.75,"end_s":4.25,"reference_s":3.25,"evidence":"目标是开场居中的六字母“EUREKA”几何装饰标题，不含下划线和副标题。2.75秒六个字形的完整轮廓均已建立，残留色块不影响字形完整性；此前2.50秒末尾字形仍在绘制。最后合格帧为4.00秒，紧接的4.25秒标题已明显淡出。选择3.25秒作为关键帧，此时六个字形清晰完整，无残留色块遮扰。","start_frame":66,"end_frame":102,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[200,348.6,810.2,537.5],"positive_points":[[203.1,458.3],[337.5,520.8],[480.5,411.1],[542.2,361.1],[650,443.1],[757.8,468.1]],"negative_points":[[546.9,595.8],[507.8,631.9],[507.8,272.2],[156.3,444.4]],"evidence":"图像中央的六个红色、酒红色和珊瑚色几何装饰字形组成“EUREKA”标题。边界框紧贴六个字形的整体可见范围，不包含下划线和副标题。六个正点分别位于六个字形的实际线条上；负点位于下划线、副标题及标题上方和左侧的米色背景。"}},{"name":"Typeface subtitle","description":"The small dark text “AN ANIMATED TYPEFACE BY ANIMAGIS”, revealed beneath the opening title.","membership":"Includes the complete subtitle text as one reading block. Excludes the horizontal rule above it, the large title graphics, and the surrounding background.","id":"obj_002","temporal":{"status":"found","start_s":2.0,"end_s":4.25,"reference_s":3.25,"evidence":"目标为开场大标题下方的小号深色文字“AN ANIMATED TYPEFACE BY ANIMAGIS”，不含上方横线。2.00秒首次完整清晰呈现，4.00秒为最后合格帧；前一帧1.75秒右侧文字仍在淡入，后一帧4.25秒整段字幕已开始淡出。选择3.25秒作为关键帧，字幕完整、清晰且无遮挡。","start_frame":48,"end_frame":102,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[342.2,616.7,691.4,645.8],"positive_points":[[348.4,634.7],[388.3,630.6],[480.5,619.4],[560.2,643.1],[573.4,631.9],[686.7,619.4]],"negative_points":[[507.8,595.8],[508.6,388.9],[328.1,631.9],[546.9,680.6]],"evidence":"目标是大标题下方的深色字幕“AN ANIMATED TYPEFACE BY ANIMAGIS”。边界框紧贴完整单行文字，包含字符间距，但不包含上方横线。六个正点分布在字幕不同位置的字形笔画上；负点位于上方横线、大标题以及字幕左侧和下方的外部背景。"}},{"name":"Animated alphabet specimen","description":"The five-row uppercase alphabet specimen that follows the title. Its letters progressively assemble from colored geometric pieces into ornamental outline glyphs, beginning with A at the upper left and ending with Z in the bottom row.","membership":"Includes the complete arranged alphabet and the filled shapes and strokes forming its individual glyphs. Closed glyph boundaries include their enclosed areas; open strokes remain open, and external concavities are preserved. Excludes the background and spaces between glyphs rather than treating the grid's bounding rectangle as a filled region.","id":"obj_003","temporal":{"status":"found","start_s":9.25,"end_s":10.0,"reference_s":9.5,"evidence":"目标是标题之后出现的五行 A–Z 大写字母标本。9.25 秒首次可见所有字母均完成初始构建，最后合格帧为 9.75 秒；此前的 9.00 秒底行字母仍处于揭示与构建阶段，之后的 10.00 秒整组字母开始淡出。选择 9.50 秒作为关键帧，字形完整清晰、无遮挡，便于逐字标注。","start_frame":222,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[193,78,807,936],"positive_points":[[239.8,91.7],[774.2,84.7],[739.8,388.9],[199.2,491.7],[443.8,631.9],[468,875]],"negative_points":[[140,500],[865,500],[500,35],[500,975]],"evidence":"图中目标为五行排列的彩色几何装饰大写字母，从左上角 A 延续至底行 Z。边界框紧包全部字母的可见范围；��个正点分布在不同列、各行字母的实际笔画上，四个负点位于字母阵列外侧的背景，未标记字母内部空隙。"}},{"name":"Animated pangram specimen","description":"The large, left-aligned four-line text specimen reading “THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG”, progressively revealed in the geometric alphabet after the alphabet grid disappears.","membership":"Includes all glyphs in the four-line sentence, including their assembly pieces and enclosed regions within closed patterns. Excludes the background, interword spaces, and line gaps. Open glyph strokes remain open.","id":"obj_004","temporal":{"status":"found","start_s":14.75,"end_s":15.0,"reference_s":14.75,"evidence":"目标是字母表网格消失后出现的左对齐四行几何字母句子“THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG”。14.75秒为首个且最后一个整句揭示完整的采样帧；前一帧14.50秒末尾G仍在绘制，后一帧15.00秒整句已被单独的菱形替换。选择14.75秒作为关键帧，因为四行字形完整可见且无遮挡。","start_frame":354,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[48.4,112.5,951.6,883.3],"positive_points":[[66.4,177.8],[894.5,166.7],[516.4,351.4],[182.8,611.1],[117.2,794.4],[659.4,831.9]],"negative_points":[[25,500],[975,500],[500,50],[500,950]],"evidence":"图中四行左对齐的几何字母对应目标句子“THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG”。边界框覆盖全部四行字形及其组装部分；六个正点分布于各行字形的笔画或闭合区域，四个负点位于整段文字外围的背景，避开字间空隙和行间空白。"}},{"name":"Standalone B glyph animation","description":"The first enlarged standalone letter demonstration after the pangram. A tan diamond and teal circular construction develop into a coral B with a vertical left stem, curved lobes, and internal diagonal strokes.","membership":"Includes the geometric pieces forming this standalone B throughout its transformation and the enclosed areas of its final closed patterns. Follows the changing outline, preserving external concavities and open portions. Excludes the surrounding background.","id":"obj_005","temporal":{"status":"found","start_s":15.0,"end_s":17.0,"reference_s":16.75,"evidence":"目标是全句展示后第一个放大的独立 B 字形：完整的棕褐色菱形经青绿色圆形及三角形变换，形成珊瑚色 B。首个合格帧为15.00秒，菱形轮廓已完整，之后保留其连续变形；最后合格帧为16.75秒。区间前的14.75秒仍是全句展示，区间后的17.00秒已替换为下一字形的红色三角形。选择16.75秒作为关键帧，因为 B 的左侧竖干、双弧及内部斜线清晰完整，且无遮挡。","start_frame":360,"end_frame":408,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[452,301,570,664],"positive_points":[[459,389],[459,585],[507,313],[562,419],[503,425],[497,635]],"negative_points":[[407,480],[614,463],[507,238],[507,733]],"evidence":"图中央的珊瑚色独立 B 具有左侧竖干、弧形轮廓及内部斜线，与目标描述一致。紧框覆盖其全部可见轮廓和封闭区域；六个正点分布在竖干、上弧、右弧、斜线及下弧上，四个负点位于字形上下左右的外部浅色背景。"}},{"name":"Standalone F glyph animation","description":"The next centered demonstration begins with overlapping teal and red opposing triangles, develops a rectangular colored construction, and reveals a tan F-shaped glyph with a triangular internal pattern.","membership":"Includes the filled polygons and emerging strokes belonging to this standalone F. Closed patterns include their enclosed areas; open strokes and gaps remain open. Excludes the surrounding background.","id":"obj_006","temporal":{"status":"found","start_s":17.0,"end_s":18.75,"reference_s":18.5,"evidence":"目标是居中的独立 F 演示：从完整红色三角形变为青绿与红色相向三角形、彩色矩形结构，最终显露带三角内部纹样的棕褐色 F。首个 qualifying 帧为17.00秒，最后为18.50秒；此前16.75秒仍是独立 B，此后18.75秒已替换为下一演示的倒三角形。选择18.50秒作关键帧，因为 F 轮廓与内部线条完整清晰、无遮挡。","start_frame":408,"end_frame":450,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[436.7,362.5,571.9,702.8],"positive_points":[[547.7,372.2],[443.0,675.0],[553.9,498.6],[501.6,493.1],[463.3,440.3],[463.3,558.3]],"negative_points":[[390.6,500.0],[617.2,488.9],[502.3,291.7],[503.1,751.4]],"evidence":"图像中央是棕褐色的独立 F 形字形，内部带三角形构造。边界框紧贴顶横、左竖及右侧三角形的可见范围；正点分布于主要笔画和按规则包含的封闭三角区域，负点位于字形外围四周的背景。"}},{"name":"Standalone M glyph animation","description":"The enlarged demonstration built from downward-pointing triangles that expand into two adjacent triangular peaks, resolving into a coral M-like outline filled with smaller triangular patterns.","membership":"Includes both connected peaks and all component triangles and strokes forming this glyph. Includes areas enclosed by closed triangular patterns, follows the actual outer outline and its central notch, and excludes surrounding background.","id":"obj_007","temporal":{"status":"found","start_s":19.75,"end_s":20.75,"reference_s":20.5,"evidence":"目标是居中的放大 M 字形，具有相连的双三角峰及内部三角图案。19.75 秒双峰及组成三角形已完整建立，随后变为珊瑚色轮廓，最后合格帧为 20.50 秒。此前 19.50 秒两峰仍分离、尚在展开组装；之后 20.75 秒已替换为圆形字形。选择 20.50 秒作为关键帧，此时轮廓和内部三角纹样最清晰。","start_frame":474,"end_frame":498,"reference_frame":492},"grounding":{"status":"found","bbox_xyxy":[328.1,309.7,679.7,681.9],"positive_points":[[448.4,337.5],[559.4,337.5],[391.4,620.8],[503.9,586.1],[559.4,500],[638.3,641.7]],"negative_points":[[234.4,555.6],[757.8,555.6],[503.9,368.1],[507.8,777.8]],"evidence":"图中珊瑚色双峰相连、内部带有小三角图案的独立图形符合目标描述。边界框紧贴两峰顶端、左右外缘及底边。正点分布于两峰、内部连接笔画和封闭三角区域；负点位于左右外部、中央凹口上方及底边下方的背景。"}},{"name":"Standalone Q glyph animation","description":"The centered circular demonstration following the double-peaked glyph. A coral circle with a curved triangular opening changes through teal and red fills, then resolves into a tan circular Q with three curved internal sides and a smaller overlapping ring.","membership":"Includes the main circular body, its internal construction, and the smaller ring as it moves around the circumference. Closed rings and patterns include their enclosed areas. Follows their combined outline without filling external gaps or concavities; excludes the background.","id":"obj_008","temporal":{"status":"found","start_s":20.75,"end_s":22.5,"reference_s":22.25,"evidence":"目标是双峰字形之后居中的独立 Q 动画：珊瑚色圆体带曲边三角开口，随后变换填色，小圆环沿圆周移动，最终成为棕褐色 Q。首个合格帧为20.75秒，圆体与开口已完整呈现；此前20.5秒仍是双峰字形。最后合格帧为22.25秒，22.5秒已替换为下一动画的红色块。选择22.25秒作为关键帧，因为主圆、三条内部曲边及重叠小圆环轮廓清晰。","start_frame":498,"end_frame":540,"reference_frame":534},"grounding":{"status":"found","bbox_xyxy":[400,283.3,603.1,680.6],"positive_points":[[406.5,500],[501.6,669.4],[596.1,500],[495.3,553],[549.2,291.7],[499.2,333.3]],"negative_points":[[350,490],[650,480],[520,220],[500,760]],"evidence":"图像中央的棕褐色圆形图案具有三条弯曲内边及右上方重叠的小圆环，与目标描述一致。边界框紧密覆盖主圆、内部构造和小环；正点分布在主圆轮廓、内部曲线及小环上，负点均位于图案外侧的浅色背景。"}},{"name":"Standalone X glyph animation","description":"The centered sixfold demonstration following the circular Q. Overlapping red, burgundy, and gray-green polygonal bars become a coral flower-like construction and then six outlined hexagonal lobes around a central hexagon.","membership":"Includes all polygonal bars, lobes, and outline strokes forming this standalone glyph. Includes the enclosed areas of its closed hexagonal patterns, preserves the indentations between lobes, and excludes the surrounding background.","id":"obj_009","temporal":{"status":"found","start_s":22.75,"end_s":24.5,"reference_s":24.0,"evidence":"目标是圆形 Q 之后居中的独立 X 字形：六向红色、酒红色和灰绿色多边形条逐渐变为珊瑚色花形及六瓣六边形轮廓。首个合格帧为22.75秒，六向结构已完整建立；此前22.5秒仅有初始红色小块，尚在构建。最后合格帧为24.25秒，完整轮廓仍在；24.5秒已替换为下一圆形字形。选择24.0秒作为关键帧，其六瓣轮廓和中央六边形清晰、无遮挡。","start_frame":546,"end_frame":588,"reference_frame":576},"grounding":{"status":"found","bbox_xyxy":[400,292,604,708],"positive_points":[[501,308],[408,431],[411,568],[501,688],[592,565],[594,433]],"negative_points":[[345,500],[660,500],[500,210],[500,790]],"evidence":"图像中央的珊瑚红六瓣六边形构造与目标吻合。边界框紧贴全部轮廓的最外缘，目标包含闭合六边形内部并保留瓣间凹口。六个正点分布在各瓣的实色轮廓上，四个负点位于整体外侧上下左右的背景。"}},{"name":"Final circular glyph animation","description":"The final visible demonstration shows a large coral disk with a smaller teal disk overlapping its lower edge, presented alone at the center after the hexagonal glyph disappears.","membership":"Includes the large coral disk and the smaller teal disk as components of this circular animation, including their filled interiors. Follows their combined visible outline and excludes the surrounding background.","id":"obj_010","temporal":{"status":"found","start_s":24.75,"end_s":25.0,"reference_s":24.75,"evidence":"目标是六边形字形消失后，中央单独出现的大珊瑚色圆盘及其下缘重叠的小青绿色圆盘。24.50秒大圆盘仍为未完成展开的扇形，故排除；24.75秒两个圆盘均已完整呈现，是首个也是最后一个符合条件的采样帧，亦选作形状清晰的标注关键帧。区间延续至视频末尾25.00秒，此后没有采样帧，未观察到退出。","start_frame":594,"end_frame":600,"reference_frame":594},"grounding":{"status":"found","bbox_xyxy":[415.6,347.2,587.5,652.8],"positive_points":[[501.6,393.1],[439.1,484.7],[557.8,486.1],[460.2,580.6],[491.4,600],[510.2,626.4]],"negative_points":[[375,500],[625,500],[500,291.7],[500,715.3]],"evidence":"图像中央可见大珊瑚色圆盘及叠在其下缘的小青绿色圆盘，与目标描述一致。边界框紧贴两圆盘的组合可见轮廓；正点分布在大圆盘不同部位及小圆盘内部，负点位于目标上下左右、远离边缘的浅色背景。"}}]}
+{"video_id":275,"video_type":"icons and abstract motion graphics","targets":[{"name":"Numeral specimen panel","description":"A blue rectangular typography specimen containing outlined digits 1–9 in three rows and 0 centered below. It is initially presented on the left and is progressively cropped away.","membership":"Include the blue panel surface, boundary, and all numeral artwork within its visible extent. Exclude the adjacent label and orange transition graphic.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是左侧蓝色矩形数字样张，内有三行轮廓数字1–9及底部居中的0，不包括右侧标签和橙色图形。首个及最后一个合格帧均为0.00秒，面板及数字完整呈现；紧邻的0.25秒帧已被退出遮罩大幅裁去，仅剩部分蓝面板和数字，因此不纳入。区间到达视频起点，没有更早的采样帧。选择0.00秒为关键帧，因为目标完整清晰。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[47.92,46.3,584.38,917.59],"positive_points":[[148.44,221.3],[304.69,398.15],[459.9,589.81],[306.25,777.78],[91.15,703.7],[520.83,185.19]],"negative_points":[[592.19,57.41],[643.23,637.04],[677.08,324.07],[338.54,944.44]],"evidence":"目标是左侧包含轮廓数字1–9及底部居中0的蓝色矩形样张。边界框紧贴完整可见蓝色面板，包含其表面和全部数字。六个正点分布于数字区域及蓝色表面；负点位于右上橙色图形、右侧标签和面板外白色背景，均不包含在目标内。"}},{"name":"Numbers label","description":"The black text “Numbers” on the white area to the right of the blue numeral specimen.","membership":"Include only the complete text block; exclude the neighboring panel and other graphics.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是蓝色数字展示板右侧白色区域中的黑色完整文本“Numbers”。首个及最后一个符合条件的采样帧均为0.00秒，文字完整清晰，故选其为关键帧。下一帧0.25秒中该标签已消失，仅见缩小的蓝色区域及橙色块。区间始于视频开头，没有更早的采样帧。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[610.94,623.15,678.13,646.3],"positive_points":[[611.98,633.33],[623.96,637.96],[638.02,631.48],[647.4,627.78],[657.81,631.48],[675,643.52]],"negative_points":[[598.96,634.26],[692.71,634.26],[645.83,592.59],[572.92,634.26]],"evidence":"目标是蓝色数字面板右侧白色区域中的黑色“Numbers”标签。边界框紧贴完整单行文字；六个正点分布在不同字母的笔画上，四个负点位于文字外的白色背景及左侧蓝色面板上。"}},{"name":"Punctuation specimen panel","description":"A black rectangular specimen showing thin, interrupted white outlines of punctuation, including dashes, colons, exclamation marks, question marks, a slash, dots, and quotation marks. It initially appears above the green currency specimen.","membership":"Include the panel surface, boundary, and punctuation contents. Exclude the external labels, green currency panel, and orange transition overlay. This target identifies the punctuation specimen, not the subsequent full-screen background behind the separate controls.","id":"obj_003","temporal":{"status":"found","start_s":1.5,"end_s":4.25,"reference_s":2.0,"evidence":"目标是绿色货币面板上方的黑色标点样张，外部标签和橙色遮罩不计入。1.50秒首次完整呈现面板；前一帧1.25秒仍在展开，右下角尚有橙色遮罩。随后面板缩放、内部标点逐渐变化，至4.00秒仍可见原标点残迹和完整面板，属于最后合格帧；4.25秒内容已替换为独立圆形、方框等控件，不再是标点样张。选择2.00秒作为关键帧，面板边界及两行标点��楚且无遮挡。","start_frame":36,"end_frame":102,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[26.04,46.3,973.96,636.11],"positive_points":[[111,183],[278,459],[448,167],[532,503],[689,225],[872,469]],"negative_points":[[71,694],[350,695],[502,820],[887,812]],"evidence":"目标是图像上方含细白色断续标点轮廓的黑色矩形标本面板。边界框紧贴整个黑色面板，包含其表面及全部标点。六个正点分散覆盖面板各部分；负点位于下方外部文字标签及绿色货币面板，均不属于目标。"}},{"name":"Currency label","description":"The black text “Currency,” initially at the left of the white layout and subsequently positioned beside the green currency specimen.","membership":"Include the text alone, excluding the adjacent specimen panels and the separate “Punctuation” label.","id":"obj_004","temporal":{"status":"found","start_s":1.0,"end_s":5.0,"reference_s":1.5,"evidence":"目标为白色布局中的黑色“Currency”文字，不包含绿色样本面板或“Punctuation”标签。1.00秒首次完整可见，随后移动至绿色货币样本旁；4.75秒仍完整可见，是最后合格帧。前一帧0.75秒尚无该文字，后一帧5.00秒已消失。选择1.50秒作为关键帧，文字清晰、无遮挡，且与其他标签和面板易于区分。","start_frame":24,"end_frame":120,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[319.8,682.4,388.5,711.1],"positive_points":[[321.4,693.5],[333.3,698.1],[343.2,692.6],[354.7,698.1],[370.3,696.3],[382.8,690.7]],"negative_points":[[302.1,694.4],[52.1,694.4],[442.7,740.7],[364.6,601.9]],"evidence":"目标是绿色货币示例面板左侧的黑色“Currency”标签。边界框仅覆盖完整单词；六个正点分布在字母笔画上，负点位于外部白色背景、独立的“Punctuation”标签以及绿色和黑色示例面板上。"}},{"name":"Currency specimen panel","description":"A bright green rectangular typography specimen containing large white outlined dollar, euro, and yen symbols. Their strokes animate while the panel shifts and expands before leaving view.","membership":"Include the green surface, rectangular boundary, and all currency-symbol artwork within the panel. Exclude the external “Currency” label and neighboring black panel.","id":"obj_005","temporal":{"status":"found","start_s":1.25,"end_s":4.75,"reference_s":1.5,"evidence":"目标是包含白色描边美元、欧元和日元符号的亮绿色矩形面板，不含外部“Currency”标签。1.25秒首次完整呈现绿色面板及三个符号，随后扩展、移动和笔画变化仍属同一面板；前一帧1.00秒仍在展开，右侧符号被截断。最后合格帧为4.50秒，4.75秒面板向下离场并被画面底边裁切。选择1.50秒作为关键帧，面板边界清晰、三个符号完整且无遮挡。","start_frame":30,"end_frame":114,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[415.6,682.4,974,954.6],"positive_points":[[459,734],[503,823],[602,895],[698,816],[840,738],[916,904]],"negative_points":[[351,695],[700,604],[394,849],[706,979]],"evidence":"目标是右下方含白色描边美元、欧元和日元符号的亮绿色矩形面板。边界框紧贴绿色面板四边，包含其表面及全部货币符号。六个正点分布在面板各处；负点位于外部“Currency”标签、上方黑色面板及左侧和下方白色背景。"}},{"name":"Punctuation label","description":"The black text “Punctuation” beneath the black punctuation specimen, moving with the changing white-page layout.","membership":"Include only the complete word; exclude adjacent graphics, panels, and the separate “Currency” label.","id":"obj_006","temporal":{"status":"found","start_s":1.25,"end_s":5.0,"reference_s":1.5,"evidence":"目标是黑色标点符号样张下方的完整黑字“Punctuation”，不含旁边的“Currency”。首个符合帧为1.25秒，末个为4.75秒，期间随白色页面布局移动但保持完整。前一帧1.00秒尚未出现该词；后一帧5.00秒白色页面及标签已消失。选择1.50秒作为关键帧，文字清晰完整，与其他标签和图形分离。","start_frame":30,"end_frame":120,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[26.56,682.41,116.15,705.56],"positive_points":[[27.08,694.44],[38.54,695.37],[57.29,695.37],[71.88,696.3],[95.83,695.37],[114.58,696.3]],"negative_points":[[340,694],[110,604],[66,742],[15,695]],"evidence":"目标是黑色标点示例面板下方左侧的“Punctuation”文字。边界框紧贴完整单词，六个正点分布在不同字母笔画上；负点位于外部白色背景、上方黑色面板及独立的“Currency”标签处。"}},{"name":"Upper-left line slider","description":"A thin pale line with a solid white circular handle, first appearing near the upper-left of the emerging control arrangement. It begins diagonally and later rotates toward vertical.","membership":"Include the line and its circular handle as one functional graphic, including the handle’s filled disk. Exclude surrounding black space and other controls.","id":"obj_007","temporal":{"status":"found","start_s":5.0,"end_s":15.0,"reference_s":5.0,"evidence":"目标是控制布局左上方的浅色细线及实心白色圆形滑块。4.75秒时线段仍在延伸构建，5.00秒首次完整呈现，之后滑块移动、线条旋转至竖直均属同一控件的连续变化。最后合格帧为14.75秒，视频于15.00秒结束，无后续帧。选择5.00秒作为关键帧，因完整斜线与白色滑块清晰、无遮挡，易与其他控件区分。","start_frame":120,"end_frame":360,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[67.7,106.5,153.1,258.3],"positive_points":[[77.08,241.67],[92.71,213.89],[127.6,151.85],[145.83,119.44],[106.77,180.56],[113.54,184.26]],"negative_points":[[62,180],[145,230],[110,95],[305.2,182.4]],"evidence":"目标是左上角由左下向右上倾斜的浅色细线及白色实心圆形滑块。边界框紧贴整条线的两端并包含完整圆柄；六个正点分布在线段两侧和圆柄内部，负点位于外围黑色背景及右侧另一滑块上。"}},{"name":"Upper pink-to-orange line slider","description":"A thin line with a white circular handle, initially vertical and pink near the upper row’s left-center. It later rotates and changes to orange.","membership":"Include the complete slider line and filled circular handle. Exclude nearby controls and the central lettering.","id":"obj_008","temporal":{"status":"found","start_s":5.0,"end_s":15.0,"reference_s":7.5,"evidence":"目标是上排左侧第二个控件：粉色细线与白色圆形滑块，随后旋转并变为橙色。4.75秒线段仍在延伸构建；5.00秒完整线段与圆形手柄已建立，此后持续存在，最后合格帧为14.75秒。区间延伸至视频结尾15.00秒，之后没有采样帧。选择7.50秒作为关键帧，此时粉色竖线和白色手柄清晰完整，与邻近控件及中央文字分离。","start_frame":120,"end_frame":360,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[297.4,76.9,313.0,288.0],"positive_points":[[305.2,83.3],[305.2,129.6],[301.0,181.5],[309.4,185.2],[305.2,226.9],[305.2,280.6]],"negative_points":[[281.3,138.9],[328.1,250.0],[143.8,123.1],[500.0,182.4]],"evidence":"目标是上排左侧偏中的粉色竖直滑杆，带白色圆形手柄。边界框紧贴完整细线及手柄；正点分布于线条上下段和白色手柄，负点位于远离滑杆的外部黑色背景及其他独立控件上，排除中央文字。"}},{"name":"Upper square control","description":"An outlined square in the upper center of the control arrangement, initially green. It later becomes blue and contains a white square.","membership":"Include the square’s outer boundary and enclosed area, including its inner white square when present. Exclude surrounding black space.","id":"obj_009","temporal":{"status":"found","start_s":4.25,"end_s":15.0,"reference_s":9.0,"evidence":"目标是控制排列上方中央的方形控件，起初为绿色方框，后来变为蓝色并包含白色内方块。4.25秒首次出现完整闭合的边框，之后缩放、变色及内部变化均保持同一控件身份；14.75秒仍完整可见。紧邻开始前的4.00秒尚未出现完整的上方中央方框。区间延续至视频末尾，没有后续采样帧。选择9.00秒作为关键帧，此时蓝色外框与白色内方块清晰、无遮挡，易与周围控件区分。","start_frame":102,"end_frame":360,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[483.33,152.78,516.67,212.04],"positive_points":[[484.38,164.81],[505.21,154.63],[515.63,194.44],[494.79,210.19],[494.79,174.07],[505.21,190.74]],"negative_points":[[470,182],[530,185],[500,130],[500,237]],"evidence":"目标是画面上方中央的蓝色方框，内部有白色方块。边界框紧贴蓝色外边界，包含全部内部区域；六个正点分布在外框和内部白块上，四个负点位于方框四周、远离边缘的黑色背景中。"}},{"name":"Upper three-dot cluster","description":"An upper-right-of-center graphic that develops from a white rounded mass into three filled circles arranged as a triangle. The circles later acquire blue tones.","membership":"Include the three circular components and their filled interiors, or their connected visible shape during deformation. Exclude the gaps between separated circles and all neighboring controls.","id":"obj_010","temporal":{"status":"found","start_s":4.0,"end_s":15.0,"reference_s":5.0,"evidence":"目标位于画面中央偏右上方：4.00秒首次出现完整的小白色实心圆，随后放大并变形成相连的圆团，再分成三角排列的三个圆，后期变为蓝色。3.75秒该处仍是消散的标点线段，尚无目标独立的实心结构。最后一个符合帧为14.75秒，目标仍完整可见；区间延伸至视频末尾15.00秒，无后续帧。选择5.00秒为关键帧，此时三个白圆清晰分离且无遮挡。","start_frame":96,"end_frame":360,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[660.9,127.8,728.6,237.0],"positive_points":[[690.6,146.3],[698.4,156.5],[669.8,208.3],[678.1,219.4],[711.5,208.3],[719.8,219.4]],"negative_points":[[640.6,157.4],[747.4,208.3],[695.3,277.8],[500.0,154.6]],"evidence":"目标是图像中上方偏右、呈三角排列的三个白色实心圆。边界框紧贴三个圆的整体可见范围；六个正点分别分布在每个圆的内部，四个负点位于簇外背景及左侧绿色方框上，不标记圆之间的空隙。"}},{"name":"Upper-right circular dial","description":"A white outlined circular dial at the upper right, revealed from an arc and containing a short inward-pointing tick that rotates.","membership":"Include the circular boundary and enclosed area, including the inward tick. During its initial open reveal, include only the visible arc and tick rather than closing the missing portion.","id":"obj_011","temporal":{"status":"found","start_s":4.5,"end_s":15.0,"reference_s":5.0,"evidence":"目标是右上方白色圆形刻度盘，包含圆周、内部区域及向内短刻度。4.25秒时仍是未闭合的弧线，属于初始绘制；4.5秒首次形成完整圆周，此后随布局缩放及刻度旋转持续存在，最后合格帧为14.75秒。区间延续至视频结束，无后续采样帧。选择5.0秒作为关键帧，此时圆盘完整清晰、无遮挡，且与其他圆盘位置明确区分。","start_frame":108,"end_frame":360,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[857.29,125,921.88,239.81],"positive_points":[[889.58,139],[858.33,182.41],[920.83,182.41],[889.58,237.96],[876.5,170],[903,198]],"negative_points":[[842,183],[937,183],[890,103],[500,818]],"evidence":"目标是右上角带顶部向内短刻度的白色完整圆形表盘。边界框紧贴圆形外缘；正点分布在圆周、刻度及按规则纳入的内部区域，负点位于圆外背景和下方另一表盘上。"}},{"name":"Middle-left circular dial","description":"A white circular outline with a short inward tick on the left side of the control arrangement, below the upper-left slider. Its tick rotates throughout the demonstration.","membership":"Include the ring’s outer boundary and enclosed area, including its tick. Exclude neighboring sliders and central text.","id":"obj_012","temporal":{"status":"found","start_s":4.25,"end_s":15.0,"reference_s":5.0,"evidence":"目标是控制布局左侧、左上滑杆下方的白色圆环及其向内短刻度。4.25秒圆环和刻度已完整建立；此前4.00秒仅见过渡中的散点，尚无完整圆盘。此后圆盘持续存在，刻度旋转，最后合格帧为14.75秒；区间延至视频末尾15.00秒，无后续采样帧。选择5.00秒作为关键帧，此时圆盘轮廓清晰、无遮挡，且与邻近控件和中央文字分离。","start_frame":102,"end_frame":360,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[78.125,442.593,142.708,557.407],"positive_points":[[79.167,500],[110.417,444.444],[127.604,473.148],[140.625,512.963],[109.375,555.556],[103.646,503.704]],"negative_points":[[62.5,500],[110.417,407.407],[110.417,182.407],[110.417,786.111]],"evidence":"目标是左侧中部、左上滑杆下方的白色圆形刻度盘，短刻线朝右上方伸入圆内。边界框紧贴整个圆环外缘；正点分布于圆环、刻线及按要求包含的内部区域，负点位于圆外背景、上方滑杆和下方独立白点上。"}},{"name":"Middle-right vertical slider","description":"A pale vertical line with a solid white circular handle on the right side, below the upper-right dial. The handle later moves toward the lower end.","membership":"Include the line and the filled circular handle as one graphic. Exclude the dial above it and other surrounding elements.","id":"obj_013","temporal":{"status":"found","start_s":5.0,"end_s":15.0,"reference_s":7.5,"evidence":"目标是右侧、右上圆形旋钮下方的浅色竖线及实心白色圆形滑块，不含上方旋钮。5.00秒首次完整呈现；此前4.75秒竖线仍在延伸绘制。此后滑块沿竖线移动，至最后采样帧14.75秒仍完整可见，因此区间结束于15.00秒，之后无采样帧。选择7.50秒作为关键帧，竖线和靠近下端的白色滑块清晰、无遮挡，易与上方旋钮区分。","start_frame":120,"end_frame":360,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[881.77,394.44,897.4,606.48],"positive_points":[[889.58,410],[889.58,458],[889.58,509],[889.58,561],[886.5,590],[893,595]],"negative_points":[[889.58,130],[859,490],[919,577],[873.96,815]],"evidence":"目标是右侧、右上圆形刻度盘下方的竖直滑杆。边界框紧贴浅色竖线及底端实心白色圆形滑块；正点分布于竖线和滑块上，负点位于上方刻度盘、两侧外部背景及右下绿色方框上。"}},{"name":"Lower-left three-dot palette","description":"A lower-left cluster that develops from a white rounded mass into three triangularly arranged circles. It becomes a color palette with white, pink, and green, then beige, orange, and blue, and finally blue shades.","membership":"Include the three filled circular components, following their visible outlines through merging and separation. Exclude the empty gaps and neighboring controls.","id":"obj_014","temporal":{"status":"found","start_s":4.25,"end_s":15.0,"reference_s":7.5,"evidence":"目标是左下方的实心色板簇，从完整白色圆团变形成三角排列的三个圆，随后依次改变配色。首个合格帧为4.25秒；前一帧4.0秒仅见初始显现的小点，尚未完成呈现。目标持续至最后采样帧14.75秒，视频于15.0秒结束，无后续帧。选择7.5秒作为关键帧，白、粉、绿三个圆清晰分离，且与邻近控件易于区分。","start_frame":102,"end_frame":360,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[76.6,762.9,144.3,873.2],"positive_points":[[107.8,779.6],[114.1,792.6],[85.9,842.6],[94.3,854.6],[127.6,840.7],[134.9,854.6]],"negative_points":[[62.5,787.0],[158.3,848.1],[109.4,911.1],[279.2,817.6]],"evidence":"目标是左下角呈三角排列的白、粉、绿三个实心圆。边界框紧贴三个圆的整体可见范围；每个圆内分布两个正点，负点位于圆组外围背景及右侧独立滑杆控件上，避开圆间空隙。"}},{"name":"Lower horizontal slider","description":"A pale horizontal line with a white circular handle, positioned in the lower row between the three-dot palette and the central lower dial. Its handle moves along the line.","membership":"Include the entire line and filled circular handle. Exclude the adjacent palette, dial, and central title.","id":"obj_015","temporal":{"status":"found","start_s":5.0,"end_s":15.0,"reference_s":8.0,"evidence":"目标是下排三圆点配色与中央下方圆形旋钮之间的浅色水平线及白色圆形滑块。5.00秒首次完整呈现，之前4.75秒线段仍在延伸绘制；之后滑块沿线移动，整体持续存在至最后采样帧14.75秒，因此结束时间为15.00秒，视频末尾无后续帧。选择8.00秒作为关键帧，线段和滑块清晰完整，与相邻图形分离。","start_frame":120,"end_frame":360,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[245.83,803.7,364.58,831.48],"positive_points":[[251.04,817.59],[278.65,811.11],[280.21,824.07],[301.04,817.59],[328.65,817.59],[359.9,817.59]],"negative_points":[[130.73,849.07],[500,762.04],[304,773],[310,866]],"evidence":"目标是下排三色圆点与中央下方圆形刻度盘之间的浅色水平滑杆。边界框紧贴整条横线及白色实心圆形滑块；正点分布在线条左右各段和滑块内，负点位于相邻调色圆点、刻度盘轮廓及滑杆上下的外部背景。"}},{"name":"Lower-center circular dial","description":"A white outlined circular dial centered below the main lettering region. Its short inward tick begins at the top and later rotates.","membership":"Include the circular outer boundary and enclosed area, including the tick. Exclude the title and subtitle above it.","id":"obj_016","temporal":{"status":"found","start_s":4.5,"end_s":15.0,"reference_s":6.5,"evidence":"目标是主标题下方居中的白色圆形刻度盘，包含圆环及向内短刻度，后续刻度旋转但身份连续。首个合格帧为4.50秒，圆环已完整闭合；前一帧4.25秒圆环顶部仍有缺口，尚在绘制。最后合格帧为14.75秒，目标仍完整可见，因此结束时间为15.00秒；视频结束后无相邻帧。选择6.50秒为关键帧，刻度盘轮廓清晰、无遮挡，且与上方标题和字幕分离。","start_frame":108,"end_frame":360,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[467.7,760.2,532.3,875],"positive_points":[[500,776],[476,797],[531,818],[481,845],[500,873],[510,826]],"negative_points":[[500,654],[450,817],[551,820],[500,908]],"evidence":"目标是主标题和副标题下方中央的白色圆形刻度盘，顶部有向内短刻度。边界框紧贴圆盘外缘，包含圆周、内部区域及刻度。正点分布在刻度、圆周和内部；负点位于上方副标题及圆盘左右、下方的外部背景。"}},{"name":"Lower pink-to-orange line slider","description":"A line with a white circular handle in the lower row’s right-center. It initially slopes downward to the right in pink, later turns orange, and rotates toward horizontal.","membership":"Include the slider line and filled circular handle throughout their rotation and movement. Exclude the nearby lower dial and square control.","id":"obj_017","temporal":{"status":"found","start_s":5.0,"end_s":15.0,"reference_s":9.0,"evidence":"目标是下排右中部带白色实心圆形滑块的线条，起初为向右下倾斜的粉色线，随后变橙并旋转至水平；不包含旁边的圆盘和方框。5.00秒首次完整建立，前一帧4.75秒线条仍在伸长揭示。此后持续存在，最后合格帧为14.75秒，视频于15.00秒结束，无后续帧。选择9.00秒作关键帧，此时粉色斜线及白色滑块清楚完整，与邻近控件分离。","start_frame":120,"end_frame":360,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[652.6,742.6,737.5,893.5],"positive_points":[[655.2,747.2],[671.9,776.9],[690.6,810.2],[708.3,841.7],[722.4,866.7],[733.9,887.0]],"negative_points":[[500,762.0],[889.6,817.6],[677.1,879.6],[752.6,807.4]],"evidence":"目标位于下排右侧偏中，是向右下倾斜的粉色滑杆，带白色实心圆形手柄。边界框紧贴整条线及手柄；正点分布在线段各处和手柄上，负点位于附近下方圆盘、右侧方形控件及滑杆外部背景。"}},{"name":"Lower-right square control","description":"An outlined square at the lower right of the control arrangement. Initially green and empty, it later turns blue and contains a white square.","membership":"Include the square’s outer boundary and enclosed area, including its inner white square when visible. Exclude surrounding black space and the neighboring slider.","id":"obj_018","temporal":{"status":"found","start_s":4.0,"end_s":15.0,"reference_s":9.0,"evidence":"目标是控制排列右下方的方框，与邻近滑杆分离。4.00秒首次出现完整绿色轮廓，虽较小且旋转为菱形，结构已完整；随后放大、转正，后来变蓝并显示内部白色方块。前一帧3.75秒尚无该方框。最后合格帧为14.75秒，目标仍完整可见，视频结束后无相邻帧。选择9.00秒作为关键帧，此时蓝色外框及白色内方块清晰且无遮挡。","start_frame":96,"end_frame":360,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[872.92,787.96,906.25,847.22],"positive_points":[[873.96,805.56],[885.42,789.81],[905.21,824.07],[888.02,845.37],[882.81,810.19],[894.79,827.78]],"negative_points":[[859.38,814.81],[921.88,819.44],[889.58,875],[722.4,866.67]],"evidence":"目标是画面右下角的蓝色方框，内部有白色方块。边界框紧贴其外边界，涵盖边框及全部内部区域。六个正点分布于蓝色边框和内部白块；负点位于周围黑色背景及左侧相邻斜向滑杆的白色滑块上。"}},{"name":"MORPH animated title","description":"The large central word “MORPH,” progressively revealed between the surrounding controls. It changes from fragmented white outlines to multicolored strokes, layered outlines, and solid blue letterforms.","membership":"Include all five letters and their visible animated strokes or filled letter shapes as one text block. Preserve the letters’ actual outlines and counters; exclude surrounding controls, the black background, and the subtitle beneath.","id":"obj_019","temporal":{"status":"found","start_s":6.5,"end_s":15.0,"reference_s":12.0,"evidence":"目标是画面中央由五个字母组成的“MORPH”标题，不含周围控件和下方副标题。6.25秒仍处于初始轮廓补全阶段，6.5秒五个字母的结构已完整建立；之后的断续描边、彩色线条和蓝色填充属于同一标题的样式变化。最后一个合格帧为14.75秒，标题仍在显示，因此区间延续至15秒视频结束，之后无采样帧。选择12秒作为关键帧，此时字形及内部镂空清晰，无遮挡。","start_frame":156,"end_frame":360,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[279.7,413.9,720.8,586.1],"positive_points":[[282.8,456.5],[322.9,528.7],[432.3,418.5],[496.4,556.5],[581.3,482.4],[718.8,509.3]],"negative_points":[[503,652],[889.6,430.6],[500,182.4],[406.3,351.9]],"evidence":"目标是画面中央的大字“MORPH”。边界框紧贴五个字母的全部可见彩色及白色轮廓，不包含下方副标题和周围控件。六个正点分布在五个字母的实际笔画上；负点位于副标题、上方方形控件、右侧圆点控件及标题外的黑色背景，避开字母内部空洞。"}},{"name":"between styles. subtitle","description":"The smaller centered text “between styles.” beneath “MORPH,” fading from dark gray to white while the title changes style.","membership":"Include only this complete text line, including the final period. Exclude the main title, surrounding controls, and background.","id":"obj_020","temporal":{"status":"found","start_s":6.5,"end_s":15.0,"reference_s":9.0,"evidence":"目标是主标题“MORPH”下方居中的完整文字“between styles.”，包含句末句点。5.75至6.25秒文字仍由暗灰渐显，6.5秒首次完成淡入，此后持续可见，最后合格帧为14.75秒。区间前一帧6.25秒仍呈较暗灰色；区间到达视频末尾，没有后续帧。选择9.0秒作为关键帧，字幕明亮完整、无遮挡，与主标题及周围控件清楚分离。","start_frame":156,"end_frame":360,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[443.2,639.8,557.3,669.4],"positive_points":[[444.3,650],[455.2,653.7],[482.8,653.7],[496.9,656.5],[534.9,649.1],[556.3,661.1]],"negative_points":[[500,583.3],[416.7,651.9],[578.1,651.9],[500,703.7]],"evidence":"目标是主标题“MORPH”下方居中的白色小字“between styles.”。边界框紧贴整行文字并包含末尾句点；六个正点分布在不同字母笔画和句点上，负点位于上方主标题及字幕左右、下方的外部背景。"}}]}
+{"video_id":276,"video_type":"icons and abstract motion graphics","targets":[{"name":"LINEAR title","description":"Large, centered uppercase word “LINEAR,” assembled through animated geometric fragments. The letters are bold black, with the “A” in teal, before progressively disappearing.","membership":"Includes the visible letterforms and colored segments forming “LINEAR” throughout their reveal and disappearance. Excludes the underline, surrounding construction lines and outlined shapes, subtitle, and background.","id":"obj_001","temporal":{"status":"found","start_s":1.5,"end_s":4.0,"reference_s":2.0,"evidence":"目标是中央粗体大写“LINEAR”，其中 A 为青色，不含下划线、字幕及辅助线。首个合格帧为1.50秒，六个字母轮廓均已完整，R 内部仍有变色分段；前一帧1.25秒尚未出现完整的 R。最后合格帧为3.75秒，后一帧4.00秒中 L 已消失、I 开始被擦除，因此区间结束于4.00秒。选择2.00秒为关键帧，标题完整清晰且无遮挡。","start_frame":36,"end_frame":96,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[259.4,361.1,753.1,583.3],"positive_points":[[271.1,459.7],[345.3,469.4],[421.1,445.8],[505.5,516.7],[605.5,520.8],[677.3,427.8]],"negative_points":[[500,662.5],[507.8,263.9],[218.8,486.1],[796.9,486.1]],"evidence":"目标是画面中央的大写标题“LINEAR”，其中 A 为青色，其余字母为黑色。边界框紧贴六个字母的可见范围，不包括下划线和副标题。六个正点分别位于各字母的实心笔画上；负点位于下方副标题及标题上方、左右的外部背景。"}},{"name":"AN ANIMATED TYPEFACE subtitle","description":"Small teal uppercase text reading “AN ANIMATED TYPEFACE,” widely spaced beneath the main title and its underline.","membership":"Includes all letters of this single subtitle block. Excludes the horizontal line above it, the larger title, and the background.","id":"obj_002","temporal":{"status":"found","start_s":1.5,"end_s":4.0,"reference_s":2.0,"evidence":"目标是主标题及横线下方的青绿色、宽字距大写字幕“AN ANIMATED TYPEFACE”，不包含横线。首个符合条件的帧为1.50秒，全部字母已完整显示；最后符合条件的帧为3.75秒。此前1.25秒尚无字幕，此后4.00秒字幕开始淡出，因此区间结束于4.00秒。选择2.00秒作为关键帧，字幕清晰完整、无遮挡，便于单独标注。","start_frame":36,"end_frame":96,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[256.25,645.83,753.13,680.56],"positive_points":[[264.06,669.44],[370.31,663.89],[475,650],[529.69,663.89],[644.53,662.5],[746.88,677.78]],"negative_points":[[343.75,465.28],[507.81,595.83],[500.78,751.39],[225.78,663.89]],"evidence":"目标是主标题及横线下方的青色大写字幕“AN ANIMATED TYPEFACE”。边界框紧贴整行字幕，覆盖全部字母及字间距；六个正点分散落在字幕各处的字母笔画上，四个负点分别位于大标题、横线及字幕左侧和下方的外部背景。"}},{"name":"Uppercase alphabet specimen","description":"A large four-row uppercase alphabet display appearing after the title clears. Its rows read “ABCDEFGH,” “IJKLMNOP,” “QRSTUVW,” and “XYZ.” The bold letters assemble and disassemble with teal and pale cyan segments; the completed “A” is brighter teal than the other letters.","membership":"Includes the letterforms of the complete alphabet text block across all four rows, including visible portions and colored segments during assembly and disassembly. Excludes surrounding thin construction lines, detached transitional outlines, and the background.","id":"obj_003","temporal":{"status":"found","start_s":7.25,"end_s":8.0,"reference_s":7.5,"evidence":"目标是标题消失后出现的四行大写字母表，依次为ABCDEFGH、IJKLMNOP、QRSTUVW和XYZ，A为较亮的青色。首个合格帧为7.25秒，全部字母结构已完整；前一帧7.00秒的W等字母仍在组装。最后合格帧为7.75秒，字母仍完整，局部青色变化不影响结构；后一帧8.00秒已有多个字母被拆解或遮罩移除。选择7.50秒作为关键帧，字母完整清晰，且无周围构造线干扰。","start_frame":174,"end_frame":192,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[109.4,79.2,882.8,913.9],"positive_points":[[152.3,97.2],[809.4,105.6],[503.1,355.6],[118.0,606.9],[853.9,652.8],[371.1,898.6]],"negative_points":[[54.7,500.0],[945.3,486.1],[507.8,34.7],[500.0,958.3]],"evidence":"图中可见四行粗体大写字母，依次为ABCDEFGH、IJKLMNOP、QRSTUVW和XYZ，其中A呈较亮的青色。边界框紧贴整个字母块的可见外缘；六个正点分布在四行的实际字母笔画上，四个负点位于字母块上、下、左、右的外部背景。"}}]}
+{"video_id":277,"video_type":"icons and abstract motion graphics","targets":[{"name":"Animated piano keyboard","description":"A horizontal piano-key diagram across the upper portion of the image. Keys become green, pink, blue, and yellow, with pitch names above them and matching rectangular note markers below.","membership":"Include the complete black-and-white key array, colored key fills, pitch-name labels immediately above the keys, and the colored rectangular note markers beneath them. Exclude surrounding glow, the higher octave and fifth annotations, and the rhythm diagram below.","id":"obj_001","temporal":{"status":"found","start_s":1.5,"end_s":15.0,"reference_s":10.5,"evidence":"目标是画面上方的横向钢琴键阵列，包括彩色键面、紧邻上方的音名及下方矩形音符标记。1.50秒首次完整显现；前一帧1.25秒右端仍处于渐显揭示中。此后键盘结构持续存在，颜色和标记变化不影响其连续性，最后合格帧为14.75秒，故区间结束于15.00秒；视频末尾没有后续帧。选择10.50秒作为关键帧，完整键阵列及绿、粉、蓝、黄各色音名和标记清楚可辨。","start_frame":36,"end_frame":360,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[210.9,135.2,886.5,358.3],"positive_points":[[222,225],[291,152],[387,259],[563,299],[744,239],[839,339]],"negative_points":[[612,739],[158,432],[550,90],[920,240]],"evidence":"目标是图像上方横向排列的钢琴键盘。边界框涵盖完整黑白键、彩色键面、紧邻上方的音名及下方彩色矩形标记，不含外围光晕和节奏图。正点分布于白键、音名字形、彩色键及矩形标记；负点位于下方节奏图、左侧说明文字和键盘外部背景。"}},{"name":"Meter and tempo panel","description":"A small light rectangular panel at the lower left displaying the time signature “4/4” and tempo “111 BPM”.","membership":"Include the panel surface, outer boundary, internal divider, and both text readings. Exclude the adjacent “NOTES/BAR” and “NOTE PITCH” labels.","id":"obj_002","temporal":{"status":"found","start_s":0.25,"end_s":15.0,"reference_s":2.25,"evidence":"目标是左下角显示“4/4”和“111 BPM”的小矩形面板，包含边框、分隔线及两项读数，不含右侧标签。0.25秒首次完整呈现，前一帧0.00秒为黑屏、未见面板；此后持续可见至最后采样帧14.75秒，视频结束后无相邻帧。选择2.25秒作为关键帧，面板完整无遮挡，且与右侧标签容易区分。","start_frame":6,"end_frame":360,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[100,811,161,878],"positive_points":[[105,818],[110,856],[121,839],[140,830],[142,857],[156,872]],"negative_points":[[85,841],[139,903],[225,812],[224,869]],"evidence":"目标位于图像左下角，是显示“4/4”和“111 BPM”的浅色矩形面板。边界框紧贴面板外缘，覆盖面板表面、分隔线及两项读数；正点分布于这些内容上，负点位于面板外背景及右侧排除的“NOTES/BAR”“NOTE PITCH”标签上。"}},{"name":"Rhythm-cycle diagram","description":"The lower diagram contains eight evenly spaced circular hubs with three radial spokes. As cycles activate, white pointers rotate, notes-per-bar numbers and colored pitch readings appear beneath the hubs, and colored branching paths extend above them.","membership":"Include all eight hubs, their enclosed circular areas, spokes, animated white pointers, associated numeric and pitch readings, and the colored connecting paths above the row. Follow the actual shapes of the open paths rather than filling the spaces between them. Exclude the piano keyboard and its note markers, the cycle legend, the tempo panel, and the reading labels at lower left.","id":"obj_003","temporal":{"status":"found","start_s":1.0,"end_s":15.0,"reference_s":14.25,"evidence":"目标是下方八个圆形枢纽及三辐条组成的节奏图，包括随后出现的白色指针、数值、音高读数和上方彩色连接路径。1.00秒时八组结构均已完整可见，辐条仍在转动展开不影响纳入；此前0.75秒左侧部分枢纽尚未显出完整三辐条。最后合格帧为14.75秒，目标持续存在至视频结束，边界外无后续帧。选择14.25秒作关键帧，八个枢纽清楚，多条连接路径及读数均可辨认。","start_frame":24,"end_frame":360,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[286.5,349.1,863,902],"positive_points":[[312,740],[462,708],[615,748],[836.5,440],[757.5,891],[837,709]],"negative_points":[[612,235],[172,469],[230,870],[132,845]],"evidence":"目标是下方八个三辐圆形节拍枢纽及其连接图。边界框覆盖上方彩色开放路径、全部枢纽与指针，以及下方数字和音高读数；不包含键盘音符标记。正点分布在圆心、白色指针、绿色路径和音高字形上，负点位于键盘、周期图例、左下读数标签及速度面板。"}},{"name":"Cycle-duration legend","description":"An eight-line text block at the left beneath the keyboard, listing “Cycle 1 Eighth Triplet (1/12)” through “Cycle 8 Double Whole (2/1)”. Individual lines change color as their cycles become active.","membership":"Include all eight lines of legend text throughout their progressive reveal and color changes. Exclude adjacent diagram lines, keyboard elements, and surrounding illumination.","id":"obj_004","temporal":{"status":"found","start_s":1.0,"end_s":15.0,"reference_s":13.0,"evidence":"目标是键盘下方左侧的八行周期时值图例，从 Cycle 1 到 Cycle 8，后续各行随激活而变色。1.00 秒首次完整显示八行；前一帧 0.75 秒最下方文字仍未揭示完整。最后合格帧为 14.75 秒，图例持续存在至视频结束，边界后无采样帧。选择 13.00 秒作为关键帧，八行布局完整、无遮挡，多行颜色高亮便于辨认。","start_frame":24,"end_frame":360,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[100,385,241,665],"positive_points":[[223,395],[103,432],[145,469],[155,543],[156,617],[225,654]],"negative_points":[[83,463],[258,523],[164,359],[171,696]],"evidence":"目标是键盘左下方从“Cycle 1 Eighth Triplet (1/12)”到“Cycle 8 Double Whole (2/1)”的八行图例。边界框涵盖全部文字，包括较暗的最后两行；正点分布在不同图例行的字形上，负点位于文字块外围背景，避开键盘及连接线。"}},{"name":"Rhythm reading labels","description":"The stacked labels “NOTES/BAR” and “NOTE PITCH” sit immediately to the right of the meter and tempo panel, identifying the two readings beneath the rhythm indicators.","membership":"Include the lettering of both stacked labels. Exclude the tempo panel, the rhythm indicators, and the values displayed beneath those indicators.","id":"obj_005","temporal":{"status":"found","start_s":1.25,"end_s":15.0,"reference_s":2.25,"evidence":"目标是节拍与速度面板右侧上下排列的“NOTES/BAR”和“NOTE PITCH”两行文字。1.25秒两行均已完整呈现，前一帧1.00秒仅显示上行，下行尚未出现。此后持续存在，最后合格帧为14.75秒，区间延至视频结束15.00秒，边界外无后续帧。选择2.25秒作为关键帧，两行文字完整且无遮挡，与左侧面板和右侧读数易于区分。","start_frame":30,"end_frame":360,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[187,801.9,273.4,880.6],"positive_points":[[189.1,813],[221.4,804.6],[266.1,813],[190.1,869.4],[235.4,868.5],[267.2,870.4]],"negative_points":[[142.7,849.1],[291.7,835.2],[312,730.6],[837,890.7]],"evidence":"目标是节拍与速度面板右侧上下排列的“NOTES/BAR”和“NOTE PITCH”。边界框紧贴两行完整文字，正点分布在两行字母笔画上；负点位于左侧速度面板、右侧外部背景、上方节奏指示器及远右下方的音高数值，均不属于目标。"}},{"name":"Lower-octave annotation","description":"The text “-1 OCTAVE” appears above the pink pitch group toward the left of the keyboard.","membership":"Include only the annotation lettering. Exclude the pink pitch names, keys, and note markers below it.","id":"obj_006","temporal":{"status":"found","start_s":12.0,"end_s":15.0,"reference_s":14.25,"evidence":"目标是键盘左侧粉色音高组上方的“-1 OCTAVE”字样，不含下方音名和琴键。11.75秒仍处于初始淡入，12.0秒字样完整且亮度稳定，为首个合格帧；最后合格帧为14.75秒，持续至视频结束，之后无采样帧。选择14.25秒作为关键帧，文字完整、无遮挡且易与下方粉色音名区分。","start_frame":288,"end_frame":360,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[295.8,96.3,383.3,119.4],"positive_points":[[298.4,106.5],[307.8,110.2],[320.8,99.1],[330.7,106.5],[355.2,100.9],[376.6,114.8]],"negative_points":[[294.3,152.8],[341.1,151.9],[338.5,78.7],[395.8,107.4]],"evidence":"目标是键盘左侧粉色音高组上方的“-1 OCTAVE”注释。边界框仅覆盖整段注释字形；六个正点分布在横杠、数字及多个字母笔画上，负点位于下方粉色音名和注释外侧背景，排除琴键及音符标记。"}},{"name":"Fifth annotation","description":"The text “+FIFTH” appears above the yellow pitch group near the right-center of the keyboard.","membership":"Include only the annotation lettering. Exclude the colored pitch names and keyboard graphics below it.","id":"obj_007","temporal":{"status":"found","start_s":12.0,"end_s":15.0,"reference_s":14.25,"evidence":"目标是键盘右中部黄色音名组上方的“+FIFTH”字样，不包括下方音名和键盘。11.25至11.75秒仍在淡入，12.00秒起 lettering 完整且亮度稳定，持续至最后采样帧14.75秒。区间前一帧11.75秒仍较暗；区间到达视频末尾，没有后续帧。选择14.25秒作为关键帧，字样清楚且无遮挡。","start_frame":288,"end_frame":360,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[662,96,721,119],"positive_points":[[666.1,107.4],[676,100.9],[685.9,108.3],[692.7,105.6],[704.2,100],[715.6,106.5]],"negative_points":[[648.4,152.8],[694.3,153.7],[762,108.3],[693,71]],"evidence":"目标是键盘右中部黄色音高组上方的“+FIFTH”。边界框紧贴整段注释文字，六个正点分别落在加号及五个字母笔画上；负点位于下方黄色音高名称、右侧八度注释和上方外部背景，排除键盘及其他文字。"}},{"name":"Higher-octave annotation","description":"The text “+1 OCTAVE” appears above the green pitch group toward the right end of the keyboard.","membership":"Include only the annotation lettering. Exclude the green pitch names, keys, and note markers below it.","id":"obj_008","temporal":{"status":"found","start_s":12.0,"end_s":15.0,"reference_s":14.25,"evidence":"目标是键盘右侧绿色音名组上方的“+1 OCTAVE”字样，仅包含注释 lettering。11.75秒时字样仍在淡入，12.00秒已完整稳定显示，持续至最后采样帧14.75秒。区间到达视频末尾，没有后续帧可检查。选择14.25秒作为关键帧，文字完整、无遮挡，且与下方绿色音名清楚分离。","start_frame":288,"end_frame":360,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[745.3,96.3,836.5,120.4],"positive_points":[[750.5,107.4],[760.4,106.5],[775,98.1],[784.4,106.5],[799.5,100],[830.7,107.4]],"negative_points":[[747.4,153.7],[793.2,152.8],[694.8,107.4],[788.5,73.1]],"evidence":"目标是键盘右侧绿色音高组上方的“+1 OCTAVE”文字。边界框仅覆盖该注释的全部字母和符号；六个正点分布在文字笔画上，负点位于下方绿色音名、左侧“+FIFTH”注释及上方背景，排除琴键和音符标记。"}}]}
+{"video_id":278,"video_type":"icons and abstract motion graphics","targets":[{"name":"Suspension bridge illustration","description":"A centered, flat-color illustration of a red suspension bridge with a tall rectangular tower, curved suspension cables, a yellow sun on the left, and turquoise fog along its base.","membership":"Includes the bridge tower and cables, yellow sun, and turquoise fog shapes as one illustrated unit. Includes enclosed openings within the tower; follows the exposed contours of the sun and fog. Excludes the surrounding white background and open spaces outside the illustrated elements.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":5.75,"reference_s":0,"evidence":"目标为红色矩形桥塔及弧形悬索、左侧黄色太阳和底部青绿色雾组成的完整插画。首个合格帧为0.00秒，最后为5.50秒，期间整体结构持续完整；5.75秒已替换为红色圆形图案。区间起于视频开头，无更早采样帧。选择0.00秒作为关键帧，因为各组成部分轮廓清晰，便于整体标注。","start_frame":0,"end_frame":138,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[294.3,237.0,714.6,717.6],"positive_points":[[505,280],[359,508],[320,647],[559,653],[599,578],[683,621]],"negative_points":[[230,530],[480,180],[771,615],[515,799]],"evidence":"目标为中央红色悬索桥、左侧黄色太阳及底部青绿色雾组成的完整插画。边界框紧贴塔顶、两侧图形及雾的底缘，包含塔内封闭开口。正点分布于桥塔、悬索、太阳和左右及底部雾块；负点均位于插画外围的白色背景，避开内部开口与元素间隙。"}},{"name":"Circular signal-like graphic","description":"A centered circular graphic that changes from red to yellow to turquoise. It contains white stepped cutouts, a tall white inset with a colored dot, and a small contrasting triangular marker near an upper horizontal opening.","membership":"Includes the circular body, its enclosed white inset and colored dot, the triangular marker, and the surrounding segmented circular strokes. Follows the body's cloud-shaped and stepped external concavities rather than filling them. The separated surrounding strokes remain open curves; excludes the background between them and the body.","id":"obj_002","temporal":{"status":"found","start_s":5.75,"end_s":10.0,"reference_s":6.25,"evidence":"目标为中央带白色阶梯及云状凹口、白色长嵌槽和圆点、小三角标记及外围分段圆弧的圆形图案，主体由红色变黄再变青绿。首个合格帧为5.75秒，结构已完整；最后合格帧为9.75秒。前一帧5.50秒仍为桥梁图案，后一帧10.00秒已替换为青绿背景上的黄色方块。选择6.25秒作为关键帧，主体、嵌槽、标记和外围圆弧清楚且无遮挡。","start_frame":138,"end_frame":240,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[361.5,243.5,649,773.2],"positive_points":[[460.4,367.6],[500.5,701.9],[499,540.7],[552.1,400],[494.8,244.9],[648,509.3]],"negative_points":[[333.3,509.3],[677.1,518.5],[510.4,194.4],[494.8,824.1]],"evidence":"目标是画面中央的红色圆形信号图案，具有白色阶梯与云状缺口、带红点的白色竖向内嵌区及黄色三角标记。边界框覆盖主体、标记和最外侧分段圆弧。正点分布在红色主体、白色内嵌区、三角标记及外围圆弧上；负点位于整个图案上、下、左、右的外部白色背景，不标记内部空隙。"}},{"name":"Scrolling geometric tile strip","description":"A horizontal repeating graphic on a turquoise background, composed of yellow rectangular tiles with changing white rectangular openings. The patterned strip moves sideways, with tiles entering and leaving the screen edges.","membership":"Includes the yellow tile surfaces and their white internal patterns throughout the scrolling strip, including visible portions of edge-clipped tiles. Each tile follows its rectangular outer boundary. Excludes the turquoise gaps between tiles and the turquoise background above and below the strip.","id":"obj_003","temporal":{"status":"found","start_s":10.0,"end_s":13.0,"reference_s":11.0,"evidence":"目标是青绿色背景上横向滚动的黄色矩形重复条带，各块带有变化的白色矩形开口，包含两端有意裁切的图块。首个符合帧为10.00秒，最后为12.75秒；此前9.75秒是圆形图案，此后13.00秒已替换为城市楼群图案。选择11.00秒作为关键帧，图块外轮廓及白色内部图案清晰，便于区分黄色图块与青绿色间隙。","start_frame":240,"end_frame":312,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[0,272.22,1000,607.41],"positive_points":[[50,335],[234,348],[299,521],[515,470],[738,524],[943,337]],"negative_points":[[145,443],[381,434],[526,191],[704,712]],"evidence":"目标是横向排列的黄色矩形及其白色内部图案。边界框覆盖整条可见图案带，包括左右边缘被裁切的砖块。六个正点分布在各砖块的黄色表面和白色图案上；负点位于砖块之间的青绿色间隔及图案带上、下方背景。"}},{"name":"City skyline illustration","description":"A centered stylized skyline with red and turquoise rectangular buildings around a taller white tower. The central tower has turquoise vertical lines and a short antenna, with a large yellow sun behind it and white cloud-shaped cutouts along the buildings' bases.","membership":"Includes the buildings, central tower and antenna, turquoise facade lines, and yellow sun as one illustrated unit. Follows the visible skyline and the cloud-shaped external concavities at its base, excluding surrounding white background and open gaps between buildings. Excludes the temporary expanding rings around the antenna.","id":"obj_004","temporal":{"status":"found","start_s":13.0,"end_s":17.0,"reference_s":13.0,"evidence":"目标为红色与青绿色楼群、带青绿色竖线及短天线的白色高塔、背后黄色太阳和底部云状凹口组成的天际线。13.00秒首次出现时整体结构已完整，之前12.75秒仍为青绿色背景上的黄色方块图案。最后合格帧为16.75秒，楼群虽有形变但仍完整可见，故区间延续至视频结束17.00秒，之后无采样帧。选择13.00秒作为关键帧，轮廓清晰且没有天线周围的临时扩散圆环。","start_frame":312,"end_frame":408,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[295.3,230.6,721.9,857.4],"positive_points":[[514,315],[318,693],[388,706],[501.6,631],[626,724],[700,707]],"negative_points":[[245,655],[767,710],[502,172],[505,924]],"evidence":"根据红色与青绿色楼群、带天线及青绿竖线的白色主塔和背后的黄色太阳识别目标。边界框紧贴太阳顶部、两侧最外楼体及底部云状凹口的最低可见边缘。正点分布在太阳、左右楼体及主塔立面线上；负点位于整组插画上、下、左、右的外部白色背景。"}}]}
+{"video_id":279,"video_type":"icons and abstract motion graphics","targets":[{"name":"Purple nested-square animation","description":"Upper-left circular graphic with a purple surface and layered purple squares and diamonds. The inner square rotates, and darker angular shapes appear around the larger diamond.","membership":"Include the entire circular surface, its outer boundary, and all nested squares and animated angular contents clipped within it. Exclude the surrounding dark background and other circles.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":10,"reference_s":0.75,"evidence":"目标是左上角紫色圆形图案，包含嵌套方形、菱形及旋转的深紫色角状内容。圆形表面和外边界从0.00秒起已完整建立，至最后采样帧9.75秒始终存在；内部旋转和颜色变化不影响整体连续性。因此区间为[0,10)。区间两端均到达视频边界，没有更早或更晚的采样帧。选择0.75秒作为关键帧，圆形轮廓完整、嵌套菱形和中央深色方块清晰，无遮挡。","start_frame":0,"end_frame":240,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[52,12,323,495],"positive_points":[[188,81],[87,235],[187,245],[280,249],[123,393],[218,420]],"negative_points":[[28,250],[348,250],[184,568],[507,215]],"evidence":"目标是左上角包含多层紫色方形和菱形的圆形图案。边界框紧贴整个紫色圆面及外缘，涵盖其内部所有嵌套形状。六个正点分布在圆面各区域及内部方形上；负点位于圆外深色背景、左下圆和上方中间圆内。"}},{"name":"Teal oval animation","description":"Upper-middle teal circular graphic containing overlapping animated ellipses in pale blue, muted cyan, dark teal, and bright cyan that change size and orientation.","membership":"Include the full teal circular surface and boundary, with every oval and overlapping region inside it. Exclude the surrounding background and neighboring graphics.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":10,"reference_s":0,"evidence":"目标是上排中间的青绿色圆形，内部含浅蓝、灰青、深青和亮青色椭圆。首个合格帧为0.00秒，圆面及边界已完整建立；最后合格帧为9.75秒，全程保持同一圆形容器，仅内部椭圆改变大小、位置和方向，没有退出或消失。区间到达视频首尾，两端均无区间外采样帧。选择0.00秒作为关键帧，圆形边界清晰完整，各色椭圆易于辨认，且不受相邻图形遮挡。","start_frame":0,"end_frame":240,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[374.2,8.3,640.6,481.9],"positive_points":[[465.6,127.8],[390.6,226.4],[543.8,175],[555.5,322.2],[489.1,416.7],[608.6,241.7]],"negative_points":[[343.8,236.1],[668,236.1],[187.5,222.2],[828.1,194.4]],"evidence":"目标是上排中央的青绿色圆形，内部有浅蓝、柔和青色、深青色和亮青色椭圆。边界框紧贴整个圆形的可见外缘；六个正点分布在圆面及内部椭圆上，四个负点位于左右外部背景和相邻的紫色、红色图形上。"}},{"name":"Red moving-bar animation","description":"Upper-right red circular graphic containing orange and white vertical rounded bars and gray horizontal rounded bars that move into and out of view.","membership":"Include the entire red disk, its boundary, and all visible portions of the animated bars within the disk. Exclude the surrounding dark background and other circular graphics.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":10,"reference_s":0.5,"evidence":"目标为右上方红色圆盘，内部有橙色、白色竖向圆角条及灰色横向圆角条。首个合格帧为0.00秒，圆盘边界已完整建立；内部条纹进出不影响圆盘的连续存在。最后合格帧为9.75秒，目标仍完整可见，因此区间延续至10.00秒。区间到达视频首尾，两端均无外侧采样帧。选择0.50秒作为关键帧，圆盘轮廓清晰，各色条纹均明显可辨。","start_frame":0,"end_frame":240,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[698.4,8.3,962.5,477.8],"positive_points":[[812,66],[750,265],[785,246],[917,265],[837,401],[896,112]],"negative_points":[[973,500],[669,247],[829,734],[505,244]],"evidence":"目标是右上方含橙色、白色竖向圆角条和灰色横条的红色圆盘。边界框紧贴整个圆盘，包含盘内所有可见条形。正点分布在红色盘面及不同条形上；负点位于盘外深色背景和其他圆形图案上。"}},{"name":"Charcoal geometric animation","description":"Lower-left charcoal circular graphic with a peach diagonal bar, a moving turquoise rounded rectangle, and a pale blue small circle that appears during the animation.","membership":"Include the whole charcoal disk and its boundary, together with the diagonal bar, turquoise shape, and small circle wherever visible inside it. Exclude the surrounding background and neighboring disks.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":10,"reference_s":1.5,"evidence":"目标是左下方的炭灰色圆盘，内部有桃色斜条、移动的青绿色圆角矩形及间歇出现的浅蓝小圆。圆盘及边界从首帧0.00秒至末帧9.75秒始终完整存在，内部元素的移动和显隐不改变该图形的连续身份。区间覆盖视频首尾，边界外没有采样帧。选择1.50秒作为关键帧，此时圆盘轮廓清晰，斜条、青绿色形状和浅蓝小圆均可见，便于标注。","start_frame":0,"end_frame":240,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[51.6,506.9,318,980.6],"positive_points":[[153,561],[263,632],[136,804],[98,678],[227,879],[277,771]],"negative_points":[[23,736],[340,611],[501,747],[185,470]],"evidence":"目标是左下方的炭灰色圆盘，内有桃色斜条、青绿色圆角矩形和浅蓝色小圆。边界框紧贴整个圆盘外缘，包含盘内全部图形。六个正点分布在三种内部图形及炭灰色盘面上；四个负点位于盘外背景和相邻圆盘上。"}},{"name":"Concentric-ring animation","description":"Lower-middle circular target-like graphic composed of concentric rings and a small central disk. Its colors cycle through turquoise, lime, lavender, deep purple, and muted blue-green.","membership":"Include the complete outer circular boundary and everything enclosed, including all concentric bands and the central disk throughout their color changes. Exclude the surrounding dark background and other graphics.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":10,"reference_s":0,"evidence":"目标是画面下方中央的同心圆图案，包含完整外圆、各层色带和中心小圆盘。首个合格帧为0.00秒，最后合格帧为9.75秒；期间仅颜色变化，圆形结构始终完整可见，因此区间为[0,10)。区间到达视频首尾，两侧均无额外采样帧。选择0.00秒作为关键帧，因为各层圆环边界清晰、无遮挡，且容易与周围图案区分。","start_frame":0,"end_frame":240,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[370.3,506.9,636.7,980.6],"positive_points":[[385,742],[434,651],[501,649],[526,767],[503,746],[503,903]],"negative_points":[[342,743],[663,747],[506,306],[209,892]],"evidence":"目标是图像下方中央的同心圆图案，具有青绿色外圈、黄绿色和淡紫色环带、深紫色内环及灰蓝绿色中心圆。边界框紧贴完整外圆，包含其内部全部区域。正点分布在各色环带和中心圆上；负点位于左右外部深色背景、上方圆形及左下方其他图形内。"}},{"name":"Striped circle animation","description":"Lower-right circular graphic with alternating dark purple and pale lavender horizontal bands and a central teal shape that expands into a circle and contracts into a flattened oval.","membership":"Include the full circular boundary and enclosed area, including all horizontal bands and the changing central teal shape. Exclude the surrounding background and neighboring circles.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":10,"reference_s":1,"evidence":"目标是右下方由深紫与浅薰衣草色横带构成的圆形，内部青绿色形状周期性扩大、收缩。首个合格帧为0.00秒，圆形边界及内部区域已完整呈现；末个合格帧为9.75秒，全程持续存在，内部变化不影响其身份。区间覆盖视频首尾，两端均无额外采样帧，也未观察到退出。选择1.00秒为关键帧，圆形轮廓完整、无遮挡，中央青绿色圆形清晰易辨。","start_frame":0,"end_frame":240,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[698.4,513.9,962.5,984.7],"positive_points":[[834,536],[812,567],[788,679],[869,813],[716,761],[834,950]],"negative_points":[[672,754],[977,761],[831,326],[504,744]],"evidence":"目标是右下方带深紫色和淡薰衣草色横带、中央为青绿色圆形的圆形图案。边界框紧贴完整外圆，覆盖全部横带及内部区域。正点分布在上下横带、浅色侧部和中央青绿色区域；负点位于圆外背景以及上方、左侧的相邻圆形内。"}}]}
+{"video_id":280,"video_type":"icons and abstract motion graphics","targets":[{"name":"COMPOSITIONS title","description":"Large white uppercase serif text reading \"COMPOSITIONS\", centered in a purple opening surrounded by colorful animated geometric tiles. The title remains visible while gradually shrinking.","membership":"Includes the complete word's letterforms only. Excludes the purple backing area and all surrounding geometric graphics.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":3,"reference_s":0,"evidence":"目标是紫色中央区域内白色大写衬线单词“COMPOSITIONS”的完整字形，不含背景及几何装饰。首个合格帧为0秒，最后合格帧为2.75秒；所有采样帧中文字均完整可见，仅逐渐缩小，没有淡入、遮挡或退出。区间覆盖视频全程，起点前和终点后均无采样帧。选择0秒作为关键帧，因为标题最大、字形清晰且无遮挡，便于标注。","start_frame":0,"end_frame":72,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[244.8,459.3,689.6,547.2],"positive_points":[[248.4,507.4],[338.0,515.7],[455.7,502.8],[532.8,500.9],[622.4,507.4],[673.4,536.1]],"negative_points":[[468.8,416.7],[468.8,588.0],[226.6,509.3],[718.8,509.3]],"evidence":"目标是画面中央紫色区域中的白色衬线大写标题“COMPOSITIONS”。边界框紧贴整个单词的可见字形范围；六个正点分散在不同字母的白色笔画上，四个负点位于标题上、下、左、右的外部紫色背景，不包含周围几何图案。"}}]}
+{"video_id":281,"video_type":"icons and abstract motion graphics","targets":[{"name":"Upper-left upright pink triangle","description":"Large hollow, upward-pointing pink triangle near the upper-left corner in the opening view.","membership":"Includes the outer triangular boundary and its enclosed area. Excludes neighboring smaller triangles and the textured background outside its outline.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是开场左上角的大型空心朝上粉色三角形，不包括旁边的小三角形。0.00秒时其轮廓完整，是首个也是最后一个符合条件的采样帧；紧邻的0.25秒帧中该三角形已消失。区间始于视频开头，没有更早的采样帧。选择0.00秒为关键帧，因为目标完整清晰且易于与邻近图形区分。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[80.2,24.1,189.6,198.1],"positive_points":[[133.9,48.1],[110.9,117.6],[156.8,120.4],[134.9,185.2],[133.9,131.5],[127.6,161.1]],"negative_points":[[43.8,167.6],[202.6,156.5],[130.7,226.9],[80.2,57.4]],"evidence":"目标是图像左上方最大的向上粉色空心三角形。边界框紧贴其顶点、两侧及底边，包含规则指定的轮廓和内部区域。正点分布在粉色边界及其内部；负点位于左侧较小三角形和目标外围的纹理背景上。"}},{"name":"Upper inverted pink triangle","description":"Hollow downward-pointing pink triangle near the upper center-left in the opening view, larger than the nearby small inverted outlines.","membership":"Includes the pink triangular border and the area it encloses, but not adjacent triangular symbols.","id":"obj_002","temporal":{"status":"found","start_s":0.0,"end_s":0.25,"reference_s":0.0,"evidence":"目标是开场画面上方偏左、位于数个小倒三角左侧的较大粉色空心倒三角，不包含相邻符号。首个及最后一个合格采样帧均为0.00秒，此时三角形边框完整可见；紧邻的0.25秒帧中该目标已消失。区间始于视频开头，没有更早的采样帧。选择0.00秒作为关键帧，目标完整且易于与附近小三角区分。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[242.7,124.1,311,228.7],"positive_points":[[251.6,132.4],[300.5,132.4],[277.1,205.6],[265.1,151.9],[286.5,155.6],[276,175.9]],"negative_points":[[333.3,141.7],[133.3,64.8],[227.1,177.8],[277.6,258.3]],"evidence":"目标是图像上方偏左、位于几个较小倒三角左侧的较大粉色空心倒三角。边界框紧贴其三条粉色边的可见范围；正点分布于边框及其包围的内部区域，负点位于相邻三角符号或目标外部背景。"}},{"name":"Small upper teal triangular motif","description":"Compact upright teal triangular motif near the top of the opening view, shown with a neighboring translucent repeat. Its dark outer silhouette contains a pale blue left facet.","membership":"Includes the complete triangular silhouettes and their colored facets, including the associated translucent repeat when visible. Excludes nearby pink outlines and red triangle rows.","id":"obj_003","temporal":{"status":"found","start_s":0.0,"end_s":0.75,"reference_s":0.5,"evidence":"目标是开场顶部的小型直立青绿色三角形，具有深色外轮廓和浅蓝色左侧切面，包含可见的半透明重复影。0.00秒已完整呈现，随后向右移动；最后合格帧为0.50秒，0.75秒原顶部三角形已明显淡出，不并入较低位置新出现的相似图案。区间始于视频开头，无更早采样帧。选择0.50秒作关键帧，因为目标轮廓清晰、无遮挡，且易与其他图形区分。","start_frame":0,"end_frame":18,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[495.8,63.9,533.3,123.1],"positive_points":[[514.6,72.2],[509.9,96.3],[502.6,114.8],[520.3,102.8],[525.5,116.7],[514.1,118.5]],"negative_points":[[484.4,91.7],[543.8,97.2],[513.5,151.9],[541.7,224.1]],"evidence":"目标是图像上方的小型直立青色三角形，深色轮廓内有浅蓝色左侧切面。边界框紧贴其完整可见轮廓，未见可明确分离的半透明重复。正点分布于顶端、两侧切面和底部；负点位于周围背景及下方红色三角形，排除其他图案。"}},{"name":"Small red stepped triangle ribbon","description":"Horizontal sequence of small, solid red triangles across the upper-right portion of the opening view. The sequence occupies two stepped levels and moves toward the right.","membership":"Includes the individual filled triangles forming this ribbon, including its faded end triangles. Follows their combined outlines without filling the empty space between the stepped levels. Excludes the larger red ribbon below.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0.5,"evidence":"目标是开场右上方由小型实心红三角形组成的两级阶梯状横带，包含渐淡端部，不含下方较大的红色三角带。首个合格帧为0.00秒，视频起点之前无采样帧；此后横带持续右移，1.50秒仍完整可见，1.75秒右端开始被画面边界裁切，因此最后合格帧为1.50秒。选择0.50秒作为关键帧，横带轮廓清晰、无遮挡，且与下方大三角带易于区分。","start_frame":0,"end_frame":42,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[517.2,153.7,876.0,241.7],"positive_points":[[541.7,225.9],[589.1,226.9],[635.4,225.9],[732.3,231.5],[755.2,180.6],[851.6,180.6]],"negative_points":[[540.6,413.0],[514.1,101.9],[656.3,138.9],[880.2,268.5]],"evidence":"目标是画面右上方分成两个阶梯层级的小型红色实心三角形带。边界框覆盖整条小三角形带及其渐淡末端；六个正点分布在两层三角形内部，包括较淡的三角形。负点位于下方较大红色三角形带、蓝色三角形及外部背景，不标记阶梯间的空隙。"}},{"name":"Large red stepped triangle ribbon","description":"Broad sequence of solid red triangles across the middle and right of the opening view, arranged along staggered horizontal levels.","membership":"Includes all filled triangular elements belonging to this large ribbon, including faded elements at its ends. Excludes the smaller upper ribbon, teal symbols, rings, and underlying rectangular color fields.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":3.75,"reference_s":0.5,"evidence":"目标是开场中部至右侧、沿错层水平线排列的大号实心红三角带，包含端部淡色三角，不含上方较小三角带。0秒已完整建立，右侧延伸出画面属于条带式构图；随后整体右移，最后符合条件的采样帧为3.5秒。3.75秒实心大三角带已消失，所见红色空心三角不属目标。起点之前无采样帧。选择0.5秒作为关键帧，条带层次清楚，邻近装饰遮挡较少。","start_frame":0,"end_frame":90,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[400,279.6,1000,451],"positive_points":[[445,422],[539,428],[726,429],[821,430],[868,337],[963,337]],"negative_points":[[637,224],[580,548],[369,358],[805,845]],"evidence":"目标是画面中部延伸至右边缘的大型红色三角带，右段阶梯式升高。边框覆盖其两层实心三角形及末端淡化部分；正点分布于下层及右上层三角形内部，负点位于较小的上方红带、青色符号、左侧背景和下方深色三角形上。"}},{"name":"Central teal triangular motif","description":"Large upright teal motif initially below the left end of the large red ribbon. Dark triangular silhouettes with pale left facets alternate between a prominent triangle and a translucent neighboring repeat as the motif moves right.","membership":"Includes the complete faceted triangular silhouettes and their associated translucent repeat. Excludes the red ribbon above and any independently overlapping rings.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是大红色三角带左端下方、带浅色左侧面的深青色直立三角及其半透明重复体，不包括圆环。首次合格帧为0秒，随后向右移动，最后合格帧为0.50秒；0.75秒原位置序列仅剩明显淡出的残影，下方另现的三角不并入本次出现。视频起点之前没有采样帧。选择0秒作关键帧，因为完整双三角结构清楚且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[289,451,468,591],"positive_points":[[325,532],[338,511],[355,570],[414,529],[429,516],[447,570]],"negative_points":[[382,415],[268,511],[368,644],[372,100]],"evidence":"目标是画面中央、大红色三角带左端下方的两枚青灰色直立分面三角形。边界框覆盖完整深色轮廓、浅色左侧面及相邻半透明重复。六个正点分布于两枚三角形的不同侧面；负点位于上方红带、左侧与下方背景，以及顶部独立小三角形。"}},{"name":"Large lower-left inverted pink triangle","description":"Large hollow pink triangle pointing downward in the lower-left portion of the opening view.","membership":"Includes its outer triangular border and enclosed area. Excludes the smaller pink triangles to its right and the background outside its outline.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是开场左下方完整的粉色空心倒三角，右侧较小的粉色三角不属于目标。首个及最后一个符合条件的采样帧均为0.00秒，其轮廓完整清晰，故选为关键帧。下一帧0.25秒中该三角已消失；区间始于视频开头，没有更早的采样帧。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[30,594,193,845],"positive_points":[[57,608],[164,608],[61,684],[153,690],[110,812],[108,681]],"negative_points":[[244,601],[287,741],[21,741],[130,876]],"evidence":"目标是图像左下方最大的倒置粉色空心三角形。边界框紧贴其三条外边及底部尖端；正点分布在粉色边框和按要求包含的内部区域，负点位于右侧较小粉色三角形及目标外部背景。"}},{"name":"Large right inverted pink triangle","description":"Large hollow downward-pointing pink triangle beneath the central-right section of the large red ribbon in the opening view.","membership":"Includes the full triangular outline and enclosed area. Excludes the neighboring smaller inverted pink triangles and the red ribbon extending beyond its outline.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是开场画面中央偏右、大红色三角形带下方的大型粉色空心倒三角，区别于右侧较小的倒三角。首个及最后一个合格采样帧均为0.00秒，其完整轮廓清晰可见；紧邻的0.25秒帧中该目标已消失。区间始于视频开头，没有更早的采样帧。选择0.00秒作为关键帧，目标完整且易于辨认。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[660.4,362,839.1,631.5],"positive_points":[[723.4,371.3],[696.4,469.4],[793.2,498.1],[750,605.6],[741.7,433.3],[750,520.4]],"negative_points":[[900,427.8],[801,326.9],[661.5,511.1],[755.2,670.4]],"evidence":"目标是中央偏右红色带下方最大的倒置粉色空心三角形。边界框紧贴其完整三角形外缘；正点分布在粉色轮廓及按要求纳入的内部区域，负点位于邻近较小倒三角、上方红色带及目标外侧背景。"}},{"name":"Small dark stepped triangle ribbon","description":"Sequence of small charcoal triangles in the lower-right portion of the opening view, arranged on two closely spaced horizontal levels.","membership":"Includes the filled triangles forming this small stepped ribbon, including translucent end elements. Excludes the larger dark triangle ribbon below and the surrounding background.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":0.5,"reference_s":0,"evidence":"目标是开场右下方由小型炭灰色实心三角形组成的双层阶梯状带，包含半透明端部，不包括下方较大的深色三角形带。首个合格帧为0.00秒，最后合格帧为0.25秒；此时整体仍完整可见，紧邻的0.50秒帧中右端已移出画面并被裁切。区间始于视频开头，无更早采样帧。选择0.00秒作关键帧，因目标完整、无遮挡且与下方大三角形带清楚分离。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[720,663,968,725],"positive_points":[[737,715],[770,715],[802,715],[819,685],[885,684],[950,684]],"negative_points":[[834,790],[894,331],[691,696],[980,725]],"evidence":"目标是右下方由两层错位排列的小型炭灰色实心三角形组成的阶梯状饰带。框覆盖全部小三角形及半透明端部，不包含下方较大的深色三角形带。正点分布在两层三角形内部；负点位于下方大型三角形、上方红色三角形及饰带外侧背景。"}},{"name":"Large dark stepped triangle ribbon","description":"Lower sequence of larger charcoal triangles, initially extending from near the bottom center toward the right edge. A pale ring initially overlaps its leftmost visible triangle.","membership":"Includes the filled triangular elements of this lower ribbon, following their individual outlines. Excludes the independently animated pale ring and the smaller dark ribbon above.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":2.5,"reference_s":0.5,"evidence":"目标是下方由较大炭灰色实心三角形组成的阶梯状带，区别于上方较小的深色三角带；0秒时淡色圆环覆盖其左端。首个合格帧为0秒，视频此前无采样帧。该带持续向右移动，最后合格帧为2.25秒；2.5秒时其最后可见的大三角形已在右边界被裁切，进入离场阶段。选择0.5秒作为关键帧，下方较大三角形轮廓清楚，且没有圆环遮挡。","start_frame":0,"end_frame":60,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[707.3,811.1,1000,871.3],"positive_points":[[739,847],[724,862],[805,850],[869,852],[935,854],[990,859]],"negative_points":[[804,710],[580,549],[827,777],[106,717]],"evidence":"目标是画面右下方一列较大的炭灰色实心三角形，向右延伸并被图像边缘截断。框覆盖这列下方三角形；正点分布在各三角形内部，负点位于上方较小的深色三角带、蓝色三角形、外部背景和左侧淡色圆环上。"}},{"name":"Opening lower pale ring","description":"Broad pale gray ring near the bottom center-right in the opening view, overlapping the left end of the large dark triangle ribbon.","membership":"Includes the ring's outer boundary and the entire circular area it encloses. Does not extend to portions of the dark ribbon outside that boundary.","id":"obj_011","temporal":{"status":"found","start_s":0.0,"end_s":0.25,"reference_s":0.0,"evidence":"目标是开场底部偏右的宽浅灰色圆环，包围并叠在大型深色三角形带的左端。首个及最后一个符合条件的采样帧均为0.00秒；视频起点之前无采样帧，紧邻的0.25秒帧中该圆环已消失，其他位置的圆环不属于此次出现。选择0.00秒作为关键帧，其圆环轮廓及与深色三角形带的关系清楚。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[597.9,738.9,747.4,1000],"positive_points":[[665.6,763],[611.5,860.2],[730.7,885.2],[670.3,972.2],[662.5,887],[679.2,825]],"negative_points":[[572.9,869.4],[761.5,839.8],[677.1,703.7],[770.8,953.7]],"evidence":"目标是画面底部偏右、与深色三角形带左端重叠的宽浅灰圆环。边界框紧贴圆环外缘，下缘到达图像底边；正点分布在环带及其所包围的整个圆形区域内，负点位于圆外背景和超出圆边界的深色三角形带上。"}},{"name":"Left-edge pale ring","description":"Large pale ring entering at the left edge below the horizontal background division, then appearing smaller near that edge.","membership":"Includes its complete outer circular boundary and enclosed area, limited to the visible portion when cropped by the image edge. Excludes other rings.","id":"obj_012","temporal":{"status":"found","start_s":0.5,"end_s":0.75,"reference_s":0.5,"evidence":"目标是水平背景分界线下方、从左侧进入后缩小的浅色圆环。0.25秒时大圆环仍被左侧画面边缘裁切，不纳入；0.50秒时已完整显示在左侧下方，是首个及最后一个合格帧；0.75秒时该圆环已消失，其他位置的圆环不属于目标。选择0.50秒作为关键帧，因其圆形外边界完整、无遮挡且易于区分。","start_frame":12,"end_frame":18,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[65.1,705.6,147.9,853.7],"positive_points":[[78.1,742.6],[103.1,716.7],[141.1,772.2],[119.8,835.2],[79.7,813.0],[105.2,778.7]],"negative_points":[[46.9,777.8],[171.9,777.8],[104.2,898.1],[395.8,527.8]],"evidence":"目标是水平背景分界线下方、靠近左边缘的大型浅色圆环。边界框紧贴其完整外圆，按要求包含环内区域；六个正点分布于环带及内部，负点位于环外背景和画面中部另一个较小圆环上。"}},{"name":"Pale ring beside the central teal motif","description":"Pale gray ring appearing immediately to the left of the central upright teal motif, straddling the horizontal background division and subsequently shrinking.","membership":"Includes the outer circular boundary and enclosed area. Excludes portions of the adjacent teal motif outside the circle.","id":"obj_013","temporal":{"status":"found","start_s":0.25,"end_s":0.75,"reference_s":0.25,"evidence":"目标是中央直立青色三角形紧邻左侧、跨越背景水平分界线的浅灰圆环。首个合格帧为0.25秒；0.50秒时圆环向右移动并缩小，仍完整可见，为最后合格帧。此前0.00秒该位置没有圆环，此后0.75秒该圆环已消失，其他位置出现的是不同圆环。选择0.25秒作为关键帧，因圆环较大、边界清楚，与中央青色图案的位置关系明确。","start_frame":6,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[324,434,430,622],"positive_points":[[333,519],[354,460],[374,601],[417,510],[372,527],[343,569]],"negative_points":[[464,545],[411,411],[297,502],[377,665]],"evidence":"目标是中央直立青绿色三角图案左侧、跨越水平背景分界的浅灰圆环。边框紧贴圆环外缘；正点分布在环带及按规则包含的圆内区域，负点位于圆外的青绿色图案、上方红色三角形及左侧和下方背景。"}},{"name":"Upper-left inverted teal motif","description":"Downward-pointing teal motif introduced near the upper-left side. It has a dark triangular exterior and a lighter blue facet, with a translucent neighboring repeat appearing during its motion.","membership":"Includes the complete inverted triangular silhouettes and their internal facets, including the associated translucent repeat. Excludes nearby rings and pink symbols.","id":"obj_014","temporal":{"status":"found","start_s":0.75,"end_s":2.25,"reference_s":1.0,"evidence":"目标是左上方深色外轮廓、浅蓝色内切面的倒置青色三角形，并包括运动中相邻的半透明重复轮廓。0.75秒首次完整出现，2.00秒为最后合格帧；此前0.50秒尚未出现，之后2.25秒该图案已开始淡出，2.50秒消失。选择1.00秒作关键帧，主体及相邻重复轮廓均完整清晰，且未被圆环或粉色符号遮挡。","start_frame":18,"end_frame":54,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[116.7,106.5,236,200],"positive_points":[[130.2,125],[157.8,126.9],[145.3,174.1],[189.1,123.1],[217.7,123.1],[205.7,175]],"negative_points":[[100,150.9],[176.6,225],[255.2,148.1],[342.2,240.7]],"evidence":"目标是图像左上方两个倒置的青色三角形，左侧较深，右侧为半透明重复。边界框紧贴两者的完整轮廓，包含内部浅蓝切面。六个正点分布在两个三角形的深色主体与浅色切面上；负点位于外围背景及右下方独立白色圆环上。"}},{"name":"Second small upright teal motif","description":"Small upright faceted teal motif introduced below and left of the opening small teal motif's path. It travels across the upper portion of the composition.","membership":"Includes its complete triangular silhouette, colored facets, and associated translucent neighboring repeat. Excludes rings and the red ribbon.","id":"obj_015","temporal":{"status":"found","start_s":0.75,"end_s":2.25,"reference_s":1.0,"evidence":"目标是从开场小青色三角路径左下方出现、沿画面上部向右移动的第二个直立青色分面三角，包含其半透明邻接重复。0.50秒尚未出现，0.75秒完整建立；最后合格帧为2.00秒，2.25秒已明显淡出，随后消失。选择1.00秒作为关键帧，此时三角及邻接重复轮廓完整，与圆环和红色带状图案分离，便于标注。","start_frame":18,"end_frame":54,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[426.6,120.4,504.2,182.4],"positive_points":[[445.3,139.8],[438.5,166.7],[454.7,170.4],[483.9,140.7],[476.0,167.6],[493.2,170.4]],"negative_points":[[468.8,88.0],[410.9,150.0],[416.7,210.2],[606.8,225.9]],"evidence":"目标是画面上方中央的一对小型��立青绿色分面三角形，包含相邻的半透明重复图案。边框紧贴两者完整轮廓；六个正点分布于两枚三角形的不同色面，负点位于外部背景、下方白环及右侧红色带上。"}},{"name":"Lower-middle upright teal motif","description":"Large upright faceted teal motif introduced in the lower-left-middle area, initially overlapping a broad pale ring. It subsequently progresses right below the red ribbons.","membership":"Includes the complete dark teal triangular silhouettes and pale blue facets, with the associated translucent repeat when present. Excludes the separately animated ring.","id":"obj_016","temporal":{"status":"found","start_s":0.75,"end_s":2.25,"reference_s":1.75,"evidence":"目标在0.75秒首次完整出现于左下偏中位置，与宽浅色圆环重叠；其深青色直立三角轮廓、浅蓝切面及半透明重复影随后沿红色带状图案下方向右移动。0.50秒尚未出现该目标。最后合格帧为2.00秒，2.25秒仅剩开始淡出的残影，因此不纳入。选择1.75秒作为关键帧，此时主体完整清晰，且没有圆环遮叠。","start_frame":18,"end_frame":54,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[660,588,750,727],"positive_points":[[705,619],[687,678],[698,701],[719,679],[731,712],[674,714]],"negative_points":[[629,840],[665,157],[664,505],[777,665]],"evidence":"目标是红色三角带下方的大型正立青绿色三角图案。边界框紧贴其完整深青色轮廓和浅蓝色切面；六个正点分布于顶部、两侧及底部切面。负点位于独立浅色圆环、上方小青色三角、红色图案及右侧背景，均不包含在目标中。"}},{"name":"Bottom upright teal motif","description":"Large upright teal motif introduced closer to the bottom edge, below the preceding large teal motif's path. Its pale left facet distinguishes it from the flat charcoal triangle ribbon.","membership":"Includes the complete faceted triangular silhouettes and associated translucent repeat. Excludes nearby pale rings, dark triangle rows, and the background.","id":"obj_017","temporal":{"status":"found","start_s":2.25,"end_s":3.5,"reference_s":2.5,"evidence":"目标是位于前一大型青色三角形运动路径下方、靠近底边的正立刻面三角形，左侧浅色面及半透明重复影像可辨。首个合格帧为2.25秒，2.00秒尚未出现；最后合格帧为3.25秒，3.50秒其右侧重复轮廓已被画面边缘裁切。选择2.50秒作为关键帧，完整主体与重复影像均清楚可见，且与附近圆环及深色三角形列易于区分。","start_frame":54,"end_frame":84,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[456,724,634.5,864],"positive_points":[[489,813],[509,812],[501,759],[582,813],[604,837],[590,761]],"negative_points":[[641,604],[769,499],[540,919],[984,906]],"evidence":"目标位于图像底部偏右，是带浅色左切面的直立青绿色三角图案及其右侧半透明重复。框覆盖两枚完整三角轮廓；六个正点分布在两枚三角的浅色切面和深色主体上，负点位于附近浅色圆环、红色三角行、下方背景及右下角深色三角上。"}},{"name":"Top-edge inverted teal motif","description":"Faceted downward-pointing teal motif introduced near the top edge around the middle of the composition, later shown with a translucent neighboring repeat.","membership":"Includes the inverted triangular silhouettes and their internal blue facets. Excludes pale rings and pink outlines around them.","id":"obj_018","temporal":{"status":"found","start_s":2.25,"end_s":4.0,"reference_s":2.5,"evidence":"目标是画面中部靠近顶边的倒置青绿色三角形及其蓝色切面，随后出现半透明的相邻重复。2.25秒首次完整呈现，3.75秒仍完整可见；前一帧2.00秒该位置尚无此目标，后一帧4.00秒目标已消失。选择2.50秒作为关键帧，两枚相邻倒三角轮廓与内部切面清晰，且未被圆环或粉色描边遮挡。","start_frame":54,"end_frame":96,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[360.4,14.8,479.7,109.3],"positive_points":[[374,29.6],[398.4,36.1],[388.5,76.9],[433.3,31.5],[455.7,38.9],[450,82.4]],"negative_points":[[336.5,55.6],[504.2,60.2],[411.5,148.1],[727.1,324.1]],"evidence":"目标位于画面顶部中央附近，是两个相邻的倒置青色三角形，其中左侧较淡。边界框紧贴两者的可见轮廓，包含内部蓝色切面。六个正点分布于两个三角形的深色主体和蓝色切面；负点位于左右及下方外部背景，以及右侧浅色圆环上。"}},{"name":"Middle-height left upright teal motif","description":"Upright teal motif introduced at the left edge around the upper-middle height, below the earlier upper-left inverted motif. It moves across the left portion of the composition.","membership":"Includes the complete faceted triangle and its associated translucent repeat, limited to visible portions when clipped by the image edge. Excludes surrounding rings and pink outlines.","id":"obj_019","temporal":{"status":"found","start_s":2.75,"end_s":4.0,"reference_s":3.25,"evidence":"目标是从左缘进入、位于较早的左上倒三角下方的正立青绿色刻面三角及其半透明重复影。2.50秒时仍被左边界裁切，2.75秒首次完整呈现，随后向右移动，至3.75秒仍完整可见；4.00秒已消失。选择3.25秒作关键帧，主体和重复影均可辨认且未被边界裁切。","start_frame":66,"end_frame":96,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[137.5,287.0,258.3,383.3],"positive_points":[[166.1,323.1],[152.6,364.8],[179.7,366.7],[224.5,324.1],[213.0,362.0],[242.7,367.6]],"negative_points":[[228.1,460.2],[288.0,216.0],[114.1,327.8],[372.9,57.4]],"evidence":"目标是图像左侧中上部、与白色圆环重叠的两个直立青绿色分面三角形。边界框覆盖完整三角形及其左侧半透明重复形，不包含周围圆环。六个正点分布在两个三角形的不同分面上；负点位于周围圆环、左侧背景及上方倒置三角形上。"}},{"name":"Large nested cream triangle","description":"Prominent downward-pointing cream symbol appearing in the left-center of the later dense composition. It consists of a broad outer triangular outline and a smaller matching outline inside.","membership":"Includes the outer triangular boundary and everything enclosed by it, including the inner triangle. Excludes neighboring pink triangles and pale circles outside the outer boundary.","id":"obj_020","temporal":{"status":"found","start_s":4.75,"end_s":5.0,"reference_s":4.75,"evidence":"目标在4.75秒的画面左中部完整出现：朝下的宽乳白色三角形轮廓内嵌一个较小的同色三角形轮廓，与周围粉色三角形和浅色圆环明显不同。首个及最后一个符合条件的采样帧均为4.75秒；相邻的4.50秒帧尚无此符号，5.00秒帧中它已消失。选择4.75秒作为关键帧，因为内外轮廓清晰完整且无遮挡。","start_frame":114,"end_frame":120,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[134.4,405.6,436.5,869.4],"positive_points":[[208.3,427.8],[396.4,426.9],[210.9,604.6],[346.4,634.3],[286.5,817.6],[287,572.2]],"negative_points":[[151,788],[238.5,261.1],[520.8,601.9],[401,752.8]],"evidence":"目标是图像左侧中央显著的倒置奶油色嵌套三角形。边界框紧贴外层三角形的可见范围；正点分布在外框各边及其包含的内部区域，负点位于邻近粉色三角形、右侧浅色圆环和外框之外的背景上。"}},{"name":"Later upper-left upright teal motif","description":"Upright faceted teal motif introduced above a large pale ring on the left after the composition briefly becomes sparse. It moves right along the upper part of the image.","membership":"Includes the full triangular silhouettes, blue facets, and associated translucent repeat. Excludes the independently animated pale ring beneath it.","id":"obj_021","temporal":{"status":"found","start_s":4.25,"end_s":6.0,"reference_s":4.75,"evidence":"目标是画面短暂变稀疏后，于左上方大浅色圆环上方出现的直立青蓝色分面三角形，连同其半透明重复影，随后沿上部向右移动。首个合格帧为4.25秒，最后为5.75秒；此前4.00秒尚无该图案，之后6.00秒该图案已消失，较低位置的直立三角形是另一个图案。选择4.75秒，因为主体及重复影轮廓完整、分面清楚，遮挡较少；不包含下方独立圆环。","start_frame":102,"end_frame":144,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[298.4,103.7,417.7,199.1],"positive_points":[[327.1,133.3],[314.6,179.6],[341.1,179.6],[386.5,135.2],[374.0,179.6],[403.1,180.6]],"negative_points":[[291.7,138.9],[427.1,166.7],[388.0,247.2],[473.4,509.3]],"evidence":"目标为图像左上部并排朝上的青蓝色分面三角形及其半透明重复影。框紧贴两个完整三角轮廓，六个正点分布于两者的蓝色分面和深色主体；负点位于外侧背景、下方独立红色倒三角及右下方浅色圆环上，排除这些独立元素。"}},{"name":"Later middle inverted teal motif","description":"Downward-pointing teal motif introduced in the upper-right-middle area after the sparse passage, below the small upper teal triangle. It subsequently moves left relative to the adjacent background division.","membership":"Includes the inverted triangular silhouettes and internal facets, including the associated translucent repeat. Excludes circles and pink outlines surrounding it.","id":"obj_022","temporal":{"status":"found","start_s":4.25,"end_s":6.0,"reference_s":5.25,"evidence":"目标是稀疏画面之后出现在右上偏中部、位于小型正向青色三角下方的倒置青色三角，包括内部亮色切面及伴随的半透明重复影像；它随后相对背景分界向左移动。首个完整帧为4.25秒，最后符合条件的帧为5.75秒；此前4.00秒未见该图案，之后6.00秒该图案已消失，右上方另一个倒三角位置与出现轨迹不同。选择5.25秒作关键帧，目标轮廓完整清晰，较少受到周围圆环干扰。","start_frame":102,"end_frame":144,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[632,198,753,291],"positive_points":[[647,218],[661,255],[675,216],[702,214],[725,215],[720,239]],"negative_points":[[517,166],[565,355],[730,268],[608,226]],"evidence":"目标是画面右上偏中的倒置青绿色三角图案，位于上方小正三角的右下方。框覆盖深色倒三角、内部切面及右侧较淡的半透明重复形。正点分布在这两部分的可见内容上；负点位于上方正三角、白色圆环和左侧外部背景，排除相邻图形。"}},{"name":"Later right upright teal motif","description":"Large upright teal motif introduced on the right near the horizontal background division after the sparse passage. It subsequently moves toward the right edge.","membership":"Includes the complete faceted triangular silhouettes and their associated translucent repeat. Excludes surrounding pale rings and pink outlines.","id":"obj_023","temporal":{"status":"found","start_s":4.25,"end_s":4.75,"reference_s":4.5,"evidence":"目标是稀疏画面之后出现在右侧水平背景分界附近的大型直立青绿色切面三角形及其半透明重影。4.25秒首次完整出现，4.50秒主体与重影均完整可见，为最后合格帧；前一帧4.00秒该位置没有目标，后一帧4.75秒组合向右移动，右侧重复轮廓已被画面边缘裁切。选择4.50秒作为关键帧，便于辨认完整主体及关联重影，并与周围圆环和粉色轮廓区分。","start_frame":102,"end_frame":114,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[744.8,450,925.5,592],"positive_points":[[869,535],[891,546],[879,574],[786,520],[802,556],[770,572]],"negative_points":[[616,648],[747,813],[854,389],[775,183]],"evidence":"目标是右侧横向背景分界附近的大型正立青色三角图案，包括左侧较淡的半透明重复形。边界框覆盖这两个完整的分面三角轮廓；六个正点分布在两者的不同色面，负点位于外围背景、浅色圆环及粉色轮廓上。"}},{"name":"Final middle upright teal motif","description":"Upright teal motif in the final sequence, first visible near the middle-left of the remaining shapes and later moving across the upper-middle area. It has a pale blue left facet and dark right side.","membership":"Includes the full triangular silhouettes and their facets, including the associated translucent repeat when visible. Excludes overlapping pale circles outside the triangular outlines.","id":"obj_024","temporal":{"status":"found","start_s":6.0,"end_s":7.0,"reference_s":6.25,"evidence":"目标是末段从中部偏左向右移动的正立青色三角形，具有浅蓝左侧面和深色右侧面，并包含随后出现的半透明重复形。5.75秒时该新图案尚在淡入；6.00秒首次完整清晰呈现，至6.75秒仍完整可见。区间延续到视频结束，之后无采样帧。选择6.25秒作为关键帧，此时三角形轮廓清楚，与圆环及其他三角形分离。","start_frame":144,"end_frame":168,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[535.4,197.2,596.4,290.7],"positive_points":[[565,222],[556,252],[548,274],[572,250],[583,275],[567,282]],"negative_points":[[517,321],[633,259],[512,227],[890,145]],"evidence":"目标是画面上方中部尖端朝上的青色三角形，左侧浅蓝、右侧深色。边界框紧贴其完整三角轮廓，未见明确的半透明重复体。六个正点分布于两侧切面及底部；负点位于外部背景、下方浅色圆环和右上方倒三角上。"}},{"name":"Final lower-left inverted teal motif","description":"Large downward-pointing teal motif in the final sequence, positioned below the rings on the left and moving toward the left edge.","membership":"Includes the complete inverted triangular silhouettes, their blue facets, and the associated translucent repeat. Includes only visible portions when cropped at the left edge; excludes nearby rings.","id":"obj_025","temporal":{"status":"found","start_s":6.0,"end_s":6.75,"reference_s":6.0,"evidence":"目标是末段左下方、圆环下方朝左移动的大型倒置青色三角形，带蓝色内侧切面及半透明重复影。5.75秒仍是淡入的浅色形态；6.00秒首次完整清晰呈现，至6.50秒仍完整位于画内。6.75秒主体离开时已被左边界裁切，因此不纳入。选择6.00秒作为关键帧，轮廓清楚且不受圆环遮挡。","start_frame":144,"end_frame":162,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[172.4,738,276,901.9],"positive_points":[[188,755],[250,758],[204,797],[237,790],[220,835],[225,870]],"negative_points":[[282,461],[145,806],[304,801],[222,937]],"evidence":"目标为左下方、圆环下方的大型倒置青色三角图案。框紧贴其完整可见轮廓，涵盖深色三角剪影、蓝青色切面及重叠浅影。六个正点分布在三角形各部分；负点位于上方圆环及目标左侧、右侧和下方的外部背景。"}},{"name":"Final upper-right inverted teal motif","description":"Downward-pointing teal motif near the upper-right edge in the final sequence, above the right-hand pale rings. A translucent neighboring repeat appears near the end.","membership":"Includes its complete inverted triangular silhouettes and internal facets, including the associated translucent repeat. Excludes the pale rings below.","id":"obj_026","temporal":{"status":"found","start_s":6.0,"end_s":7.0,"reference_s":6.75,"evidence":"目标是末段右上方、右侧浅色圆环上方的倒置青绿色三角图案，包含内部切面及末尾相邻的半透明重复图形。5.75秒时主图案尚在淡入，6.00秒首次完整清晰呈现，随后持续可见至最后一帧6.75秒。区间到达视频终点7.00秒，之后没有采样帧。选择6.75秒作为关键帧，两枚倒置轮廓及切面均可辨认，且与下方圆环分离。","start_frame":144,"end_frame":168,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[811,105,932,201],"positive_points":[[829,129],[854,128],[841,170],[886,129],[914,129],[900,172]],"negative_points":[[706,415],[756,254],[783,153],[950,157]],"evidence":"目标位于图像右上方，是并排朝下的青绿色三角图案，包含较透明的邻近重复。边界框紧贴两组三角形的完整可见轮廓；六个正点分布在两者的内部色面及下尖部。负点位于下方浅色圆环、朝上的三角图案和两侧外部背景，均不包含在目标内。"}},{"name":"Final large central pale ring","description":"Large pale ring beneath the final upright teal motif, initially prominent near the center of the late composition before contracting.","membership":"Includes the outer circular boundary and the entire enclosed area. Excludes neighboring circles beyond that boundary and portions of the teal motif outside it.","id":"obj_027","temporal":{"status":"found","start_s":5.5,"end_s":6.5,"reference_s":6.0,"evidence":"目标是末段正立青色三角形下方的大型浅色圆环，包含其外边界内的整个区域。首个合格帧为5.50秒，随后圆环移动、放大，并在6.25秒收缩但仍完整可见；6.50秒该圆环已消失。此前5.25秒显示的是上一组圆环构图。选择6.00秒作关键帧，此时目标位于中央，轮廓清楚，与上方青色三角形的关系最明确。","start_frame":132,"end_frame":156,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[382.5,212.0,588.5,580.0],"positive_points":[[405,392],[490,543],[566,406],[522,267],[454,369],[502,440]],"negative_points":[[350,345],[638,280],[246,537],[495,644]],"evidence":"目标是画面中央、正立青色三角图案下方的大浅色圆环。框紧贴圆环外缘，包含环带及其全部内部区域，不延伸到三角图案突出圆外的部分。正点分布于环带和内部，负点位于圆外背景及左右相邻圆环上。"}},{"name":"Final upper-right pale ring","description":"Large pale ring below and left of the final upper-right inverted teal motif, forming the uppermost large circle in the closing arrangement.","membership":"Includes its outer circular boundary and enclosed area. Excludes neighboring rings and portions of the inverted teal motif outside the circle.","id":"obj_028","temporal":{"status":"found","start_s":6.0,"end_s":6.5,"reference_s":6.0,"evidence":"目标是右上方倒置青色三角形左下方的大型浅色圆环，在收尾排列中位置最高。首个合格帧为6.00秒，6.25秒仍可见同一圆环向右移动并缩小；5.75秒该位置尚未出现完整目标，6.50秒原圆环已消失，左侧出现另一圆环。选择6.00秒作为关键帧，因为圆环完整、尺寸大，且与邻近圆环及青色图案容易区分。","start_frame":144,"end_frame":156,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[687.5,34.3,889.1,392.6],"positive_points":[[778,68],[710,170],[856,134],[858,299],[766,349],[783,207]],"negative_points":[[920,139],[639,353],[802,489],[641,130]],"evidence":"目标是右上角倒置青色三角图案左下方、圆环组合中最上方的大浅色圆环。边界框紧贴其外圆边界；正点分布在环带及按规则包含的圆内区域，负点位于右上三角图案、相邻圆环和外部背景。"}},{"name":"Final left pale ring","description":"Pale ring in the left-middle of the closing arrangement, above and to the right of the large inverted teal motif near the lower-left edge.","membership":"Includes its outer circular boundary and all enclosed area. Excludes the neighboring smaller rings and the teal triangle outside its boundary.","id":"obj_029","temporal":{"status":"found","start_s":6.5,"end_s":7.0,"reference_s":6.75,"evidence":"目标是收尾画面左侧中部、左下大型倒置青色三角右上方的浅色圆环，不包括旁边的小环。6.50秒圆环已完整出现，6.75秒移动并放大后仍完整可见；6.25秒该处呈现的是上一组大小圆环，尚未出现这一轮圆环。选6.75秒为关键帧，目标轮廓清晰且与青色三角分离。最后合格帧为6.75秒，区间延伸至视频结束7.00秒，无后续采样帧。","start_frame":156,"end_frame":168,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[229,471,378,737],"positive_points":[[299,497],[243,594],[353,645],[298,708],[281,585],[324,619]],"negative_points":[[196,251],[117,799],[418,602],[303,426]],"evidence":"目标是左侧中部的大浅色圆环，位于左下倒置青色图案的右上方。边界框紧贴圆环外缘，按要求包含环内全部区域；正点分布在环带及其内部，负点位于较小圆环、左下青色图案和目标外部背景。"}}]}
+{"video_id":282,"video_type":"icons and abstract motion graphics","targets":[{"name":"Circular kinetic board","description":"Large pink circular graphic containing rotating yellow, lavender, dark navy, green, and pale blue sectors. Its changing interior includes thin white platforms and curved tracks, a blue liquid-like area, and an array of small dark pegs.","membership":"Include the pink disk, its outer edge, all internal contents, and attached colored sectors wherever they extend beyond the disk. Follow the combined visible outline rather than a surrounding rectangle. The separately listed white ball remains part of the board's contents when over it. Exclude the peach background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":0,"evidence":"目标为大型粉色圆盘及其附着的彩色扇区、内部轨道、平台和其他内容。首帧0.00秒时圆盘及外缘已完整建立；此后扇区旋转、内部内容变化，但同一圆盘持续存在，末帧14.75秒仍完整可见，无淡出、拆解或出框，因此区间为[0,15)。区间两端均到达视频边界，没有更早或更晚的采样帧。选择0.00秒为关键帧，圆盘及突出扇区的联合轮廓清晰，与桃色背景易于区分。","start_frame":0,"end_frame":360,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[242.7,63.9,745.3,935.2],"positive_points":[[483.3,811.1],[309.4,652.8],[285.9,541.7],[652.6,326.9],[678.6,613.9],[525,600]],"negative_points":[[150,400],[840,400],[760,910],[420,975]],"evidence":"目标是画面中央的大型粉色圆形动感板，带有黄、浅紫、深蓝、绿和浅蓝扇区。边界框紧贴圆盘及突出圆盘的彩色扇区，包含内部白球、白色线条和曲线轨道。六个正点分布在粉色盘面及五种彩色扇区上；四个负点均位于整体轮廓之外的桃色背景。"}},{"name":"Moving white ball","description":"White shaded sphere initially near the top center of the pink board, above a short horizontal white platform. It travels among the board's tracks, sectors, liquid-like area, and pegs, becoming larger later in the animation.","membership":"Include only the sphere's visible surface and silhouette, following its position and changing size. Exclude supporting lines, curved tracks, motion trails, colored sectors, and the small white marker inside the narrow black slot.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":11.75,"evidence":"目标是起初位于粉色圆盘顶部、短白色平台上方的白色阴影球，随后沿轨道和扇区移动并逐渐变大，不包括黑槽内的小白标记。首个合格帧为0.00秒，最后为14.75秒；中途短暂被扇区遮挡，前后运动与场景关系支持同一球的持续存在。区间覆盖视频首尾，两端均无额外采样帧。选择11.75秒作为关键帧，此时球体较大、完整且无遮挡，与支撑线容易区分。","start_frame":0,"end_frame":360,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[422.4,254.6,474.5,343.5],"positive_points":[[445,269],[433,284],[462,282],[448,300],[431,310],[453,328]],"negative_points":[[530,347],[400,270],[360,400],[550,250]],"evidence":"目标是粉色圆盘上方、短白色横线之上的白色明暗球体。边界框紧贴球体可见轮廓；六个正点分布在球面各处，四个负点分别位于支撑白线、粉色盘面、紫色扇区和黑色扇区，均不属于球体。"}}]}
+{"video_id":283,"video_type":"icons and abstract motion graphics","targets":[{"name":"Blue animated ball","description":"A solid periwinkle-blue ball entering at the upper left, descending the stepped route and orange bend, resting above the red platform, and subsequently joining the four-circle group.","membership":"Include only the blue filled shape, following its outline as it stretches or squashes. Exclude the route, platforms, and neighboring circles.","id":"obj_001","temporal":{"status":"found","start_s":0.5,"end_s":9.0,"reference_s":2.5,"evidence":"目标为从左上方进入、沿阶梯和橙色弯道移动，停在红色平台上方后加入四圆组的实心蓝球，包含其拉伸和挤压形态。首个完整呈现帧为0.50秒，前一帧0.25秒仍被画面上边界裁切；最后合格帧为8.75秒，此时四圆组中的蓝球仍完整可见，下一帧9.00秒已随画面上移而消失。选择2.50秒作为关键帧，蓝球轮廓完整、无遮挡，且与其他圆形分离。","start_frame":12,"end_frame":216,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[283.9,809.3,339.1,906.5],"positive_points":[[299.5,831.5],[322.4,829.6],[290.6,860.2],[312.5,858.3],[328.6,875],[306.8,889.8]],"negative_points":[[265,857],[355,851],[314,940],[351,722]],"evidence":"目标是画面下方偏左、红色平台正上方的实心长春花蓝色球。边界框紧贴蓝球的完整可见轮廓，六个正点分布在球内各部位；负点位于两侧粉色背景、下方红色平台和上方黑色路线图形，均排除在目标之外。"}},{"name":"Yellow staircase","description":"The mustard-yellow stepped graphic at the upper left, beside the blue ball's initial descending path.","membership":"Include the connected yellow staircase silhouette and its rounded lower extension. Exclude the pale-pink spaces above the steps and the adjoining orange bend.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":8.75,"reference_s":2.5,"evidence":"目标是左上方芥末黄色的连续阶梯轮廓及其向下延伸的圆角部分，不含浅粉色空隙和橙色弯道。首个合格帧为0.00秒，末个为8.50秒；8.75秒画面上移后，阶梯上部开始被画面顶边裁切。区间起于视频开头，没有更早帧。选择2.50秒作为关键帧，此时阶梯完整清晰，蓝球已离开阶梯区域，无明显遮挡。","start_frame":0,"end_frame":210,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[62.5,109.26,250,553.7],"positive_points":[[218.75,148.15],[151.04,268.52],[86.46,379.63],[210.94,370.37],[235.42,485.19],[170.31,396.3]],"negative_points":[[156.25,175.93],[93.75,277.78],[169.27,490.74],[273.44,351.85]],"evidence":"目标是左上方连续的芥末黄色阶梯。边界框紧贴三级台阶及右下方的圆弧延伸部分；正点分布在各级台阶、主体和圆弧延伸内部，负点位于台阶上方及右侧的浅粉色区域和下方相邻的橙色弯道。"}},{"name":"Four-circle group","description":"A compact group initially arranged as two rows of teal, yellow, orange, and red circles on the upper pale-pink area. The circles rotate and exchange positions as the blue ball joins and the teal ball departs.","membership":"Include the filled circles currently composing the compact group. Exclude the surrounding pink background and any ball once it separates from the group. Separately identified balls remain included while they belong to this group.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":8.75,"reference_s":0,"evidence":"目标是上方浅粉色区域内的紧凑四圆组，初始为青绿、黄、橙、红两行排列；旋转、蓝球加入及青绿球离开时仍保持同一组身份，分离后的球不计入。首个合格帧为0秒，视频起点前无采样帧；最后合格帧为8.50秒，四圆均完整可见。紧邻的8.75秒帧中，圆组随画面上移，顶部圆已被图像边界裁切，故结束时间为8.75秒。选择0秒为关键帧，此时四圆排列清楚、无遮挡，易于标注。","start_frame":0,"end_frame":210,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[322.4,136.1,426.6,322.2],"positive_points":[[344,176],[355,204],[400,179],[344,278],[396,266],[409,293]],"negative_points":[[300,220],[450,220],[375,355],[218,25]],"evidence":"目标是上方浅粉色区域内紧凑排列的青绿、黄、橙、红四色圆形组。边界框紧贴四个实心圆的整体外缘；六个正点分布在四圆内部，负点位于组外的粉色背景及左上方已分离的蓝球上。"}},{"name":"Teal animated ball","description":"The teal circle initially at the upper left of the four-circle group. It leaves the group and travels across the upper curved graphics, down the diagonal tiles, around the black asterisk, and eventually around the large segmented wheel.","membership":"Include only the teal filled ball, following its changing outline through stretching and squashing. Exclude supporting graphics, other circles, and the small teal dots on tiles.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":6,"evidence":"目标是四圆组最初左上方的青绿色实心球，随后离组，沿上方曲线、斜向方块、黑色星号及大分段轮移动；伸缩变形中身份连续，未将方块上的小青点计入。首个合格帧为0秒，末个为14.75秒，球始终完整可见。区间覆盖视频首尾，两端均无外侧采样帧。选择6秒作为关键帧，此时球独立位于上方浅粉区域，轮廓清晰且无遮挡。","start_frame":0,"end_frame":360,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[673.9,112.9,734.4,210.2],"positive_points":[[688.5,141.7],[712,133.3],[723.4,161.1],[713,186.1],[691.7,183.3],[682.3,163]],"negative_points":[[656.3,157.4],[744.8,175.9],[395.8,175.9],[651,287]],"evidence":"目标是画面上方偏右、粉色背景上的独立青绿色实心球。边界框紧贴其可见轮廓；六个正点分散在球体内部，四个负点位于球外粉色背景、左侧蓝色圆及下方橙色斜向方块上，排除其他圆和支撑图形。"}},{"name":"Orange curved track","description":"A broad orange quarter-turn graphic on the left, marked by two thin black concentric curves. The blue ball passes along its outer portion before reaching the lower platform.","membership":"Include the orange curved band and its black curved markings. Follow the outer arc and the concave yellow cutout; exclude the yellow staircase, white exterior, and animated ball.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":11.75,"reference_s":0,"evidence":"目标是左侧带两条黑色同心弧线的宽橙色四分之一转弯轨道，沿外弧及黄色凹口区分其边界，不含阶梯和球。首个合格帧为0秒，最后为11.50秒；11.75秒画面上移，轨道上部开始被画面边界裁切，因此结束。视频起点之前无采样帧。选择0秒作为关键帧，轨道完整清晰且未被球遮挡。","start_frame":0,"end_frame":282,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[0,441.7,250,887],"positive_points":[[35,510],[150,485],[224,626],[97.7,636.1],[100,740],[201,840]],"negative_points":[[206,360],[237,487],[50,800],[325,710]],"evidence":"目标是左侧带两条黑色同心弧线的宽橙色转弯带。边界框紧贴其顶部、左侧外弧及右下端，正点分布于橙色带和黑色弧线；负点位于黄色阶梯、内凹黄色切口、外侧白色背景及右邻黑色三角图案，均排除在目标之外。"}},{"name":"Black triangular flaps","description":"Four black triangular shapes initially stacked vertically beside the orange bend. They swing toward the neighboring yellow strip as the blue ball is launched upward.","membership":"Include the four black triangular shapes throughout their movement and deformation. Exclude the pink and yellow backing areas, red horizontal bars, and ball.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":11.75,"reference_s":0,"evidence":"目标是橙色弯道右侧纵向排列的四个黑色三角翻板；其向黄色条带翻转及变形均属于同一连续出现，未计入底色、红条或球。首个合格帧为0.00秒，四片均已完整呈现；最后合格帧为11.50秒。11.75秒画面上移，最上方翻板开始被画面顶部裁切，因此结束区间。视频起点之前无采样帧。选择0.00秒作为关键帧，四片轮廓清楚且无遮挡。","start_frame":0,"end_frame":282,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[250,442.59,375,887.04],"positive_points":[[338.54,462.96],[359.38,495.37],[322.92,575.93],[317.71,685.19],[361.98,731.48],[341.15,805.56]],"negative_points":[[208.33,592.59],[421.88,601.85],[317.71,944.44],[666.67,240.74]],"evidence":"目标是橙色弯曲图形右侧、黄色竖条左侧纵向排列的四个黑色三角形。边界框紧贴四个三角形的整体可见范围；六个正点分布在全部四个黑色三角形内部，负点位于外部橙色区域、黄色竖条、下方红色块及右上方另一黑色三角形上。"}},{"name":"Diagonal three-tile sequence","description":"Three small square tiles descending diagonally across the upper-right yellow area. Each is divided into black and orange triangles and contains a small dot that changes from yellow to teal as the teal ball passes.","membership":"Include all three square tile surfaces, their diagonal divisions, and their dots. Exclude the yellow space between and around the tiles and the passing ball.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":9,"reference_s":0,"evidence":"目标是右上方黄色区域内沿对角线下降的三个小方块，每块由黑色和橙色三角形组成并带小圆点。首个合格帧为0.00秒，三块均已完整建立；最后合格帧为8.75秒，经过的青绿色球暂时遮挡部分方块，但目标保持连续。9.00秒画面上移，最上方方块已出框，三块组合不再完整。起点已到视频开头，无更早帧。选择0.00秒作为关键帧，因为三块轮廓、分界和圆点均清晰且无遮挡。","start_frame":0,"end_frame":216,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[624.5,220.4,812.5,553.7],"positive_points":[[667,247],[643.8,300],[730,363],[706,410],[793,466],[769,520]],"negative_points":[[594,310],[710,273],[785,387],[791,599]],"evidence":"目标是右上方黄色区域中沿右下方向排列的三个方形瓷砖，每块均由黑色和橙色三角形组成，并带有黄色小圆点。边界框紧贴三块瓷砖的整体可见范围；六个正点分布在各块的黑色区域及橙色圆点区域，四个负点位于瓷砖外侧的黄色背景上。"}},{"name":"Red spring platform","description":"The red platform beneath the blue ball near the lower left-center. It compresses and extends into a vertical sequence of red horizontal bars during the upward launch.","membership":"Include the red platform and the red bars formed by its extension. Exclude the pink gaps and backing area, adjacent triangular flaps, and blue ball.","id":"obj_008","temporal":{"status":"found","start_s":4.5,"end_s":5.75,"reference_s":4.75,"evidence":"目标是蓝球下方的红色弹簧平台及其伸展形��的横条，不含粉色间隙、黑色三角片和球。首个完整呈现帧为4.50秒，最后完整帧为5.50秒；前一帧4.25秒最下方红条仍被画面底边裁切，后一帧5.75秒平台收缩向下，红色主体再次被底边裁切。选择4.75秒作关键帧，红色横条完整、清晰且无遮挡。","start_frame":108,"end_frame":138,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[249.5,442.6,375,945.4],"positive_points":[[286,450],[339,560],[271,677],[321,793],[275,912],[355,923]],"negative_points":[[367,295],[420,480],[205,709],[549,765]],"evidence":"目标是蓝球下方、左中部向下延伸的红色弹簧平台，呈五条水平红条。边界框覆盖全部红条及底部平台；正点分布在各条红色实体上，负点位于蓝球、右侧黑色三角片、左侧橙色图形和右侧红色半圆，避开条间粉色空隙。"}},{"name":"Left four-dot station","description":"Four small dots arranged above, below, left, and right of an empty center in a white strip. Initially three are red and one yellow; they become yellow when the teal ball arrives.","membership":"Include the four small filled dots as one compact pattern. Exclude the white backing region and the larger teal ball passing through its center.","id":"obj_009","temporal":{"status":"found","start_s":8.75,"end_s":15.0,"reference_s":9.5,"evidence":"目标是左侧白色竖条内围绕空心中心呈上下左右排列的四个小圆点，起初三红一黄，青绿色大球经过后变为全黄；不包括白底和大球。所选连续出现始于8.75秒，四点均完整可见；紧邻的8.50秒仍有下方圆点被画面底边裁切。最后合格帧为14.75秒，目标持续至视频结束，之后无采样帧。9.50秒四点完整、无遮挡，且与其他圆点组易于区分，适合作为空间标注关键帧。","start_frame":210,"end_frame":360,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[141.15,587.04,233.33,750.93],"positive_points":[[187,594.5],[187,600.5],[145,668.5],[148,669],[227.6,668.5],[187,740.7]],"negative_points":[[187,568],[130,638],[271,668],[187,787]],"evidence":"目标位于左侧白色条带内，由上、左、下三个红点及右侧一个黄点组成。边界框紧密覆盖四点整体；六个正点分布在四个实心圆点上，负点位于图案外围的白色背景及右侧红色矩形上，未标记图案中心空白。"}},{"name":"Black rotating asterisk","description":"An eight-spoked black asterisk on an orange square, initially partially visible along the bottom right. It rotates while the teal ball moves around it.","membership":"Include the connected black spokes and central junction, following the concavities between spokes. Exclude the orange backing square and teal ball.","id":"obj_010","temporal":{"status":"found","start_s":8.75,"end_s":15.0,"reference_s":9.0,"evidence":"目标是橙色方块上的八辐黑色星号，仅包括相连的黑色辐条和中心。所选连续区间首帧为8.75秒，星号已完整进入画面；前一帧8.50秒仍被画面下边缘裁切。此后持续可见，末个合格帧为14.75秒，视频于15.00秒结束，无后续帧。选择9.00秒作为关键帧，因为星号完整清晰，青绿色球位于其上方，没有遮挡辐条。","start_frame":210,"end_frame":360,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[771.4,594.4,854.7,741.7],"positive_points":[[813,606],[813,729],[779,667.6],[847.4,667.6],[788.5,625],[837.5,712]],"negative_points":[[760.4,578.7],[862,754.6],[864.6,401.9],[901,665.7]],"evidence":"目标是图像右下方橙色方块上的黑色八辐星号。边界框紧贴所有黑色辐条的外端，包含中央连接处。六个正点分布在不同方向的黑色辐条上；负点位于远离辐条的橙色底板角部、青绿色球和右侧白色背景上。"}},{"name":"Four-quadrant disk","description":"A large circular graphic revealed lower in the composition, divided into yellow, white, black, and orange quarters. The teal ball approaches its upper edge before an outer segmented ring develops around it.","membership":"Include the complete circular disk and all four quadrant surfaces, including the white quadrant. Exclude the surrounding background, outer segmented ring, and teal ball.","id":"obj_011","temporal":{"status":"found","start_s":12.0,"end_s":15.0,"reference_s":12.0,"evidence":"目标是下方由左上黄、右上白、左下黑、右下橙四个象限组成的圆盘，不含外围分段环和青绿色球。11.75秒圆盘仍被画面下边界裁切，12.00秒首次完整呈现；之后持续存在，最后合格帧为14.75秒。区间到达视频结尾，无后续采样帧。选择12.00秒作为关键帧，此时四个象限清楚完整，外围环尚未形成，球也未遮挡圆盘。","start_frame":288,"end_frame":360,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[147.4,486.1,351.6,848.1],"positive_points":[[195,581],[225,526],[286,566],[324,632],[196,744],[289,750]],"negative_points":[[246,339],[119,575],[371,667],[261,885]],"evidence":"目���是画面左下方由左上黄色、右上白色、左下黑色和右下橙色组成的圆盘。边界框紧贴完整圆盘，包含白色象限。六个正点分布在四个象限内部；负点位于上方青绿色球及圆盘左、右、下方的外部背景，不包含外围装饰。"}},{"name":"Expanding segmented ring","description":"A broad ring of red, orange, yellow, and pale-pink sectors that develops around the four-quadrant disk. Its sectors rotate and spread apart while the teal ball travels around it.","membership":"When closed, include the ring's outer boundary and enclosed area, including the central disk. When sectors separate, follow their actual outlines and retain the central disk within the wheel assembly, excluding exterior gaps between displaced sectors. Exclude the independently moving teal ball and surrounding geometric background.","id":"obj_012","temporal":{"status":"found","start_s":12.5,"end_s":15.0,"reference_s":13.0,"evidence":"目标是围绕四象限圆盘的红、橙、黄、淡粉四色宽环，包含中央圆盘，不包含独立运动的青绿色球。12.25秒仅见中央圆盘，12.5秒宽环结构已完整建立；此后的扩张、旋转及扇区分离属于完整对象的变形。最后合格帧为14.75秒，视频于15.0秒结束，无后续采样帧。选择13.0秒作为关键帧，此时圆环闭合、各色扇区及中央圆盘轮廓清楚。","start_frame":300,"end_frame":360,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[87.5,378.7,411.5,954.6],"positive_points":[[270.8,430.6],[114.6,601.9],[203.1,901.9],[382.8,726.9],[281.3,588.9],[212.0,761.1]],"negative_points":[[359.4,541.7],[57.3,463.0],[442.7,740.7],[260.4,324.1]],"evidence":"目标是左下方围绕四色圆盘的闭合分段宽环。边界框紧贴整个轮形组件的外缘，包含红、橙、黄、浅粉环段及中央圆盘。正点分布于四个环段和中央圆盘，负点位于独立的青绿色小球及轮外几何背景。"}}]}
+{"video_id":284,"video_type":"icons and abstract motion graphics","targets":[{"name":"Central white dot","description":"A solid white circle initially near the upper middle. It moves toward the center, becomes surrounded by expanding colored rings, and remains briefly visible within the underwater scene.","membership":"Include only the white circular disk. Exclude surrounding rings, other bubbles, and scene graphics.","id":"obj_001","temporal":{"status":"found","start_s":0.0,"end_s":3.0,"reference_s":0.75,"evidence":"目标是起初位于画面上方中部、随后移向中心并被彩色圆环包围的实心白色圆盘，不包括其他气泡。首个合格帧为0.00秒，最后为2.75秒；3.00秒时黄色大鱼遮住其原位置，此后未见该白点继续出现。区间始于视频开头，没有更早的采样帧。选择0.75秒作为关键帧，此时白色圆盘完整清晰，周围圆环使其易于与其他元素区分。","start_frame":0,"end_frame":72,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[480.7,463.9,519.8,532.4],"positive_points":[[491,480],[505,478],[511,494],[507,517],[492,514],[488,496]],"negative_points":[[468,495],[502,438],[533,500],[500,560]],"evidence":"目标是画面中央青绿色圆环内的实心白色圆点。边界框紧贴白色圆盘，不包含外围圆环；六个正点分布在白色圆盘内部，四个负点位于圆盘外的青绿色圆环上，并与白色边缘保持距离。"}},{"name":"Expanding circular portal","description":"A centered circular graphic that begins as a turquoise ring around the white dot, develops pale-cyan and bright-blue inner layers, and expands to reveal an underwater scene.","membership":"Include the outer circular boundary and everything enclosed by it, including the colored layers and revealed scene contents. Exclude the dark-green area outside the circle.","id":"obj_002","temporal":{"status":"found","start_s":0.75,"end_s":1.25,"reference_s":1.0,"evidence":"目标是以白点为中心的绿松石色圆形门户，包含外圆边界及其包围的全部内容。0.75秒圆环已完整建立，为首个合格帧；1.00秒外圆完整可见，内部出现浅青色和亮蓝色层，为最后合格帧。此前0.50秒仅有白点，尚无门户；此后1.25秒外圆扩张至被画面上下边界裁切。选择1.00秒作为关键帧，因为完整边界与多层结构清晰，便于标注。","start_frame":18,"end_frame":30,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[323.4,186.1,676.6,813.9],"positive_points":[[495,248],[357,460],[624,572],[479,749],[462,405],[502,505]],"negative_points":[[268,469],[735,521],[500,120],[513,889]],"evidence":"目标是画面中央的同心圆门户，外层为青绿色，内含浅青色、亮蓝色层和白色圆点。边界框紧贴最外侧圆周，覆盖圆内全部内容；六个正点分布于外层及内部各层，四个负点位于圆外的深绿色背景。"}},{"name":"Small yellow fish","description":"A yellow fish with a circular body and a smaller semicircular tail, first visible toward the upper right inside the expanding portal. It travels left, turns, and swims right between the underwater shapes.","membership":"Include the circular body and attached semicircular tail, following their combined outline. Exclude nearby bubbles, plants, and dark-blue scenery.","id":"obj_003","temporal":{"status":"found","start_s":2.0,"end_s":5.0,"reference_s":4.25,"evidence":"目标是最初位于扩张圆形窗口右上方、随后向左游并转向右游的小黄鱼，包含圆形身体和半圆尾巴。2.00秒首次完整显露；此前1.75秒尾部仍受深蓝景物遮挡。最后完整帧为4.75秒，5.00秒身体开始被右侧深蓝景物遮去，随后消失。选择4.25秒作为关键帧，此时身体和尾巴轮廓清楚、无遮挡，且易与其他鱼区分。","start_frame":48,"end_frame":120,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[551.6,24.1,619.8,110.2],"positive_points":[[564.6,43.5],[584.4,45.4],[563.5,80.6],[582.3,84.3],[607.3,63],[602.1,88]],"negative_points":[[467.7,413.9],[693.8,156.5],[630.2,120.4],[755.2,324.1]],"evidence":"目标是画面上方偏右的较小黄色鱼，由圆形身体和右侧相接的半圆形尾巴组成。边界框紧贴两部分的整体轮廓；六个正点分布在鱼身和鱼尾，负点位于另一条较大的黄鱼、绿色圆形、水色背景及深蓝色布景上。"}},{"name":"Large yellow fish","description":"A larger yellow fish first revealed near the lower left of the portal, over a dark-blue mound. Its round body and semicircular tail move toward the right through the underwater scene.","membership":"Include the yellow body and tail as one fish. Exclude foreground plant disks that obscure it, nearby bubbles, and the mound behind it.","id":"obj_004","temporal":{"status":"found","start_s":2.0,"end_s":3.75,"reference_s":3.0,"evidence":"目标是从左下深蓝色丘状物前向右游动的大黄鱼，包括圆形身体和半圆形尾巴。2.00秒首次完整显露；前一帧1.75秒尾巴仍被圆形窗口边缘裁切。最后合格帧为3.50秒，鱼身虽被前景植物圆盘遮挡，仍可辨认；3.75秒已不再可见。选择3.00秒作为关键帧，此时身体和尾巴完整清晰，无遮挡，易与上方小黄鱼区分。","start_frame":48,"end_frame":90,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[379.7,505.6,577.6,763.9],"positive_points":[[395.8,601.9],[405.7,703.7],[468.8,574.1],[531.3,574.1],[546.9,685.2],[484.4,713.0]],"negative_points":[[359.4,805.6],[695.3,574.1],[614.6,537.0],[474.0,240.7]],"evidence":"目标是画面下部深蓝色土丘前的大黄色鱼，右侧为圆形身体，左侧为半圆形尾巴。紧致边界框覆盖身体和尾巴；六个正点分布在这两部分，负点位于土丘、右侧绿色植物圆盘、外部青色背景及上方另一条小黄鱼上。"}},{"name":"Upper yellow fish","description":"A small yellow fish appearing behind the top of the right-hand mint-green plant column after the larger fish moves right. It swims left across the upper portion of the underwater scene.","membership":"Include its yellow circular body and semicircular tail. Exclude overlapping plant disks, bubbles, and surrounding scenery.","id":"obj_005","temporal":{"status":"found","start_s":4.0,"end_s":5.75,"reference_s":4.5,"evidence":"目标是从右侧薄荷绿植物柱顶部后方出现、沿画面上部向左游的小黄鱼，包括圆形身体和半圆尾巴。首个完整呈现帧为4.00秒，3.75秒仍被顶部植物圆盘遮挡、尚未完成显露；最后合格帧为5.50秒，5.75秒开始被左侧深蓝半圆遮去身体下部，此后未再完整出现。选择4.50秒作为关键帧，鱼身和尾巴清楚完整，与植物及其他鱼分离。","start_frame":96,"end_frame":138,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[524.5,24.1,590.6,104.6],"positive_points":[[537,47.2],[554.7,41.7],[536.5,77.8],[557.3,81.5],[578.6,50.9],[582.8,76.9]],"negative_points":[[695.8,163],[495.8,414.8],[532.8,151.9],[612,50.9]],"evidence":"目标是画面上方的小黄色鱼，位于右侧薄荷绿植物柱的左上方。边界框紧贴其黄色圆形身体和右侧半圆形尾巴；六个正点分布在身体与尾巴上，四个负点位于植物圆盘、中央较大的黄鱼及周围蓝色背景上。"}},{"name":"Large leftward-swimming yellow fish","description":"A large yellow fish entering from the right later in the underwater sequence. Its tail is on the right as it crosses the lower foreground and leaves to the left.","membership":"Include the round yellow body and its semicircular tail, following the actual silhouette. Exclude bubbles and any overlapping scenery.","id":"obj_006","temporal":{"status":"found","start_s":5.0,"end_s":5.5,"reference_s":5.25,"evidence":"目标是水下后段从右向左穿过下方前景的大黄鱼，圆形身体右侧带半圆形尾巴。首个完整呈现帧为5.00秒，最后合格帧为5.25秒；此前4.75秒鱼仍从右侧入画，尾巴被画面边界截断，之后5.50秒已消失。选择5.25秒为关键帧，此时身体和尾巴完整清晰，易与气泡及背��区分。","start_frame":120,"end_frame":132,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[105.7,637.9,340.8,931.5],"positive_points":[[156.3,722.2],[208.3,701.9],[187.5,870.4],[315.1,689.8],[286.5,770.4],[325,846.3]],"negative_points":[[307.3,569.4],[388,833.3],[83.3,768.5],[459,114.8]],"evidence":"目标是左下方的大黄色鱼，圆形身体在左、半圆形尾巴在右。边界框紧贴身体及尾巴的完整可见轮廓。六个正点分布在黄色身体和尾巴上；负点位于外侧青色背景、绿色气泡、深蓝色景物及上方另一条小黄鱼上。"}},{"name":"Purple jellyfish","description":"A purple jellyfish rises from behind the large lower mound. It has a rounded head with small lobes beneath it and several trailing tentacles represented by purple dots that spread and curl as it swims upward.","membership":"Include the head, attached lobes, and purple dots forming its trailing tentacles. Keep the spaces between detached dots outside the subject; exclude pale-blue bubbles and background shapes.","id":"obj_007","temporal":{"status":"found","start_s":6.75,"end_s":7.5,"reference_s":7.0,"evidence":"目标为紫色圆头、下缘小瓣及多串紫色圆点触须组成的水母，不含浅蓝气泡。6.75秒首次完整呈现，7.25秒为最后合格帧；此前6.50秒仍有触须圆点被画面下缘裁切，此后7.50秒头部已从上缘离场并被裁切。选择7.00秒作关键帧，头部清晰，触须展开，较易区分水母与气泡。","start_frame":162,"end_frame":180,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[260.4,235.6,714.6,791.7],"positive_points":[[516,371],[551,574],[395,263],[270,579],[704,581],[670,773]],"negative_points":[[338,240],[542,757],[930,341],[772,543]],"evidence":"目标是中央紫色水母，由圆顶头部、下缘相连的小叶及向四周散开的紫色点状触须组成。边界框覆盖所有可见紫色部分，包括最左、最右和最下方的触须圆点。正点分布在头部、小叶及外围触须上；负点位于浅蓝色气泡和外部青色背景，未标记触须间的空隙。"}},{"name":"Sun and reflected sun","description":"A large yellow sun appears at the water surface, backed by a pink arc. A pale-yellow lower half with a cream border forms its reflection beneath the horizontal waterline.","membership":"Include the yellow sun, its pink surrounding arc, and the aligned pale-yellow reflection with its cream border. Exclude the purple hills overlapping its sides, the sky, the water, and passing animals or bubbles.","id":"obj_008","temporal":{"status":"found","start_s":9.5,"end_s":13.0,"reference_s":9.5,"evidence":"目标为水线上方的黄色太阳及粉色外弧，以及下方对齐的浅黄色倒影和奶油色边框。首个合格帧为9.50秒；前一帧9.25秒中粉色外弧顶部仍被画面上缘裁切。此后目标持续存在，最后合格帧为12.75秒，区间延续至视频结束13.00秒，无后续帧可检查。选择9.50秒作为关键帧，整体结构清晰，未被经过的动物遮挡；两侧紫色山丘不属于目标。","start_frame":228,"end_frame":312,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[289,103.7,711,876],"positive_points":[[499,146],[336,258],[479,346],[538,489],[505,655],[514,827]],"negative_points":[[230,430],[794,417],[500,45],[794,760]],"evidence":"目标为画面中央的黄色太阳、外围粉色弧，以及水线下方的淡黄色倒影和奶油色边框。边界框紧贴这些可见部分的整体范围；六个正点分布于粉色弧、黄色太阳、倒影及其边框，四个负点位于左右紫色山丘、上方天空和右下方水面。"}},{"name":"Dark breaching whale","description":"A dark navy whale emerges between the two purple hills in front of the sun. Its rounded body rotates above the water, revealing small flippers and a broad forked tail before it dives.","membership":"Include the whale’s body, flippers, and forked tail throughout its rotation and dive. Exclude the separate white bubbles and splash circles, as well as the sun and water behind it.","id":"obj_009","temporal":{"status":"found","start_s":10.5,"end_s":11.5,"reference_s":11.25,"evidence":"目标是两座紫色山丘之间、太阳前方跃出水面的深海军蓝鲸，包含身体、鳍和随旋转显露的尾部，不含白色水泡。10.50秒首次完整露出水面，11.25秒为最后完整帧；前一帧10.25秒下部仍与水面遮罩相接，尚未完全露出，后一帧11.50秒身体已开始被水面遮挡而下潜。选择11.25秒作关键帧，鲸体完整，鳍和尾部轮廓可辨。","start_frame":252,"end_frame":276,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[407.3,325,594.3,640],"positive_points":[[455,466],[499,575],[450,351],[504,351],[573,525],[544,610]],"negative_points":[[390,525],[609,490],[751,558],[483,783]],"evidence":"目标是两座紫色山丘之间、太阳前方的深海军蓝鲸鱼。边界框紧贴圆润身体及上方、右侧和右下方的鳍与尾部，不包含下方白色气泡。六个正��分布于身体和各突出部位；四个负点位于外围太阳、右侧山丘及水中倒影。"}}]}
+{"video_id":285,"video_type":"icons and abstract motion graphics","targets":[{"name":"Animated scalloped loop","description":"A large rectangular loop of connected, alternating semicircular bends surrounding an empty white center. Initially pale gray, its sections progressively fill with yellow and ochre, then briefly red, green, and charcoal, followed by pink and purple. Concentric bands and radial wedges open and close within the bends as the animation travels around the loop.","membership":"Include the entire scalloped graphic, its pale and colored sections, concentric bands, and animated radial wedges. Where the loop is closed, include the central area it encloses, following the actual scalloped outer outline rather than a rectangular bounding region. Preserve openings where sections separate, and include separated wedges belonging to the animation. Exclude the surrounding white background.","id":"obj_001","temporal":{"status":"found","start_s":0.25,"end_s":6.0,"reference_s":1.0,"evidence":"目标是围绕白色中心、由交替半圆弯曲连接成的矩形波浪环，包括浅灰底形、彩色带和分离的径向楔片。0.00秒画面为空白；0.25秒整个浅灰环形结构已完整建立，局部开始着色。此后的颜色变化及楔片开合属于同一图形的内部动画，并非整体退出。最后合格帧为5.75秒，目标仍可见，视频结束后无相邻帧。选择1.00秒作为关键帧，此时环形闭合、轮廓完整清晰，便于标注。","start_frame":6,"end_frame":144,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[41.67,83.33,958.33,879.63],"positive_points":[[182.29,129.63],[656.25,134.26],[72.92,342.59],[924.48,615.74],[572.92,699.07],[500,481.48]],"negative_points":[[500,32.41],[15.63,481.48],[984.38,462.96],[500,944.44]],"evidence":"目标是围绕中央白色区域的闭合波瓣环，左上段呈黄色和赭色，其余呈浅灰色。边界框紧贴整个图形的最外缘；正点分布于彩色段、四周浅灰段及按规则包含的封闭中心区域，负点均位于环外上、下、左、右的白色背景。"}}]}
+{"video_id":286,"video_type":"icons and abstract motion graphics","targets":[{"name":"Similarity title","description":"Bold black “Similarity” heading at the lower left of the opening layout.","membership":"Includes only the heading’s letterforms; excludes the red underline, explanatory paragraph, and adjacent shapes.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0,"evidence":"目标是开场布局左下方黑色粗体“Similarity”标题，仅包含字形。首个合格帧为0.00秒，标题已完整显示；最后合格帧为1.25秒。1.50秒画面切换为放大的几何图案与其他文字，原标题消失。区间始于视频开头，无更早帧。选择0.00秒作为关键帧，标题清晰完整、无遮挡，便于单独标注。","start_frame":0,"end_frame":36,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[97.9,586.1,252.6,638.0],"positive_points":[[107.8,593.5],[123.4,616.7],[143.8,602.8],[172.9,610.2],[191.7,619.4],[246.4,606.5]],"negative_points":[[208.3,649.1],[357.8,696.3],[87.5,608.3],[658.3,561.1]],"evidence":"目标是图像左下方黑色粗体“Similarity”标题。边界框紧贴完整标题字形，不包含红色下划线或下方说明。六个正点分布在标题不同字母的笔画上；负点位于红色下划线、说明段落、标题左侧背景和右侧菱形上。"}},{"name":"Similarity explanation","description":"Two-line text beneath the opening heading: “The similarity can occur in the form of shape, color, dimension or other qualities.” Selected words are bold.","membership":"Includes the complete paragraph, including its bold text and punctuation; excludes the heading, underline, and geometric illustration.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0,"evidence":"目标是开场“Similarity”标题下方的完整两行说明段落，包含加粗词语和句末标点，不含标题、下划线或图形。首个合格帧为0.00秒，末个为1.25秒，期间段落完整可见；1.50秒已切换为大型文字与几何图形，原段落消失。区间始于视频开头，无更早采样帧。选择0.00秒作为关键帧，段落清晰且无遮挡。","start_frame":0,"end_frame":36,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[100,685.2,386.5,744.4],"positive_points":[[104.2,687],[211.5,697.2],[350,694.4],[101.6,732.4],[144.3,731.5],[281.8,731.5]],"negative_points":[[174.5,612.9],[255.2,649.1],[656.3,558.3],[416.7,732.4]],"evidence":"目标是“Similarity”标题下方的两行说明文字。边界框完整覆盖段落的普通字、粗体字及标点；六个正点分布在两行文字的字形笔画上，负点分别位于标题、下划线、右侧几何图形及段落外背景。"}},{"name":"Compact similarity illustration","description":"Compact geometric diagram on the right of the opening layout. It combines red diamonds, circles, hexagons, a cross and a triangle with a black cross and triangle; one circle and one hexagon are outlined.","membership":"Includes all nine shapes in this compact illustration. Filled shapes include their interiors, and outlined shapes include their boundaries and enclosed areas. Crosses follow their concave outlines. Excludes the surrounding blank space and nearby text.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0,"evidence":"目标是开场右侧由九个几何图形组成的紧凑插图，含红色实心图形、红色轮廓圆和六边形，以及黑色叉形和三角形。首个合格帧为0.00秒，全部图形已完整呈现；最后合格帧为1.25秒。1.50秒已切换为铺满画面的红色几何图形和大字，原紧凑插图不再存在。区间到达视频起点，无更早采样帧。选择0.00秒作为关键帧，九个图形清晰完整且无遮挡。","start_frame":0,"end_frame":36,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[519.8,285.2,777.6,738.9],"positive_points":[[648.4,327.8],[536.5,475],[753.6,528.7],[575,618.5],[656.3,564.8],[638,702.8]],"negative_points":[[489.6,472.2],[802.1,541.7],[677.1,787],[244.8,611.1]],"evidence":"目标是右侧由红黑几何形状组成的紧凑相似性插图。边界框覆盖全部实心及空心形状，从顶部红圆到下方红三角，并包含右下圆环。正点分布在红圆、空心六边形内部、右侧六边形、黑叉、中央菱形和底部三角形上；负点位于图组外的空白及左侧标题文字处。"}},{"name":"Red geometric-shape field","description":"Inset animated field of solid red circles, squares, triangles, hexagons, and crosses, shown after the opening layout. Its shapes vary in size and orientation and are cropped at the field’s edges.","membership":"Includes the geometric shapes within the rectangular presentation area, following each visible outline and including its interior. Excludes spaces between shapes, overlaid black text, outer margins, and corner registration marks.","id":"obj_004","temporal":{"status":"found","start_s":1.5,"end_s":3.75,"reference_s":2.25,"evidence":"目标是矩形展示区内由红色圆、方形、三角形、六边形和十字组成的图形场，边缘裁切属于设计。首个合格帧为1.50秒；此前1.25秒仍是开场标题旁的小图形组。最后合格帧为3.50秒，图形虽有运动模糊但仍保持该图形场；3.75秒已替换为红黑圆形场。选择2.25秒作为关键帧，图形轮廓清晰，便于排除黑色文字、空隙和外围标记。","start_frame":36,"end_frame":90,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[100,100,901,901],"positive_points":[[147,235],[835,253],[395,295],[252,647],[502,396],[658,836]],"negative_points":[[441,486],[549,298],[945,500],[901,98]],"evidence":"目标是画面内嵌矩形区域中的红色几何图形群，包围框覆盖所有可见图形及边缘裁切部分，不含外侧角标。正点分布在红色圆形、六边形、十字、方形和三角形内部；负点位于叠加黑字、图形间空白、外侧边距及右上角定位标记上。"}},{"name":"Scrolling similarity attributes","description":"Oversized bold black text moving horizontally across the geometric demonstrations, successively exposing “shape,” “color,” “dimension” and “other qualities”.","membership":"Includes the visible letterforms and punctuation of this continuous scrolling text block, including portions cropped by the presentation area. Excludes all geometric patterns behind it.","id":"obj_005","temporal":{"status":"found","start_s":1.5,"end_s":10.0,"reference_s":9.25,"evidence":"目标是几何图案前连续横向滚动的超大黑体文字，依次显示“shape”“color”“dimension”“other qualities”，包含展示区域裁切的字形。首个合格帧为1.50秒，末个为9.75秒；此前1.25秒仍是小号“Similarity”说明页，之后10.00秒已切换为无文字的放射线图案。9.25秒的“other qualities”字形清晰、与背景区分明显，适合空间标注。","start_frame":36,"end_frame":240,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[100,459.3,901,625.9],"positive_points":[[107.8,550],[190.1,581.5],[278.6,508.3],[500,508.3],[678.6,532.4],[880.2,578.7]],"negative_points":[[176,261.1],[587.5,377.8],[410.9,663],[786.5,794.4]],"evidence":"目标是横跨画面中央的超大黑色粗体滚动文字，当前可见左侧裁切的字母及“other qualities”。边界框覆盖全部可见黑色字形，包括下伸部分；六个正点分散在左右各段字母笔画上，四个负点位于文字外的粉色圆点和斜纹几何图案上。"}},{"name":"Circle similarity field","description":"Animated inset field of circles that first contrasts red and black fills, then shows red circles of different sizes, and finally circles filled with diagonal stripes or dots.","membership":"Includes each circle’s full visible circular extent and enclosed fill or pattern, limited by cropping at the presentation edges. Includes the internal white gaps of patterned circles, but excludes spaces between circles, overlaid text, margins, and corner marks.","id":"obj_006","temporal":{"status":"found","start_s":3.75,"end_s":10.0,"reference_s":4.5,"evidence":"目标是内嵌展示区的圆形群：先为红黑实心圆，随后变为不同大小的红圆，最后变为斜线或点状填充圆。首个合格帧为3.75秒，圆形场已完整出现，仅有运动模糊；前一帧3.50秒仍是多种几何形状。最后合格帧为9.75秒，10.00秒已替换为放射线图案。选择4.50秒作为关键帧，圆形边缘清楚，红黑填充易于区分。","start_frame":90,"end_frame":240,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[100,100,901.1,901],"positive_points":[[208.3,157.4],[334.9,235.2],[638,168.5],[864.6,337],[233.9,666.7],[727.6,757.4]],"negative_points":[[526,514.8],[755.7,530.6],[314.1,404.6],[500,925.9]],"evidence":"目标是画面内嵌区域中由红色、黑色实心圆组成的圆形场。边界框覆盖所有完整圆及被展示边缘裁切的圆，不含外侧角标。六个正点分布在不同位置的圆形填充内；负点位于叠加文字笔画、圆间空白和下方外边距，排除这些非目标内容。"}},{"name":"Red radial-line graphic","description":"Numerous thin red rays spread outward from a circular opening right of center. The ray arrangement rotates while white circles move across it.","membership":"Includes the individual red rays along their visible lengths. The rays remain open strokes; spaces between them and the separately identified white circles are excluded. Excludes corner marks and outer margins.","id":"obj_007","temporal":{"status":"found","start_s":10.0,"end_s":13.25,"reference_s":11.0,"evidence":"目标为从画面偏右圆形开口向外放射的细红色开放射线，白色圆点在其上移动。首个合格帧为10.00秒，最后为13.00秒，期间射线保持完整并旋转。前一帧9.75秒仍是纹理圆形及文字；后一帧13.25秒已切换为六边形线条图案。选择11.00秒作为关键帧，射线清晰、整体结构易辨，便于排除白色圆点、间隙和角标。","start_frame":240,"end_frame":318,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[109.4,98.1,901.0,901.9],"positive_points":[[208.3,514.8],[260.4,321.3],[651.0,120.4],[833.3,493.5],[656.8,773.1],[312.5,734.3]],"negative_points":[[591.1,245.4],[843.8,287.0],[52.1,509.3],[520.8,944.4]],"evidence":"目标是从画面偏右圆形开口向外放射的红色细线群。边界框紧贴所有可见射线的整体范围，不含四角十字标记。六个正点分散落在不同方向的红色射线上；负点位于两个独立白色圆形遮挡物及图形外侧背景，未标记射线间隙或中央开口。"}},{"name":"Large central white circle","description":"Large white disk occupying the central opening of the red radial-line graphic, positioned right of the frame’s center.","membership":"Includes the disk’s circular boundary and entire enclosed white area; excludes the red rays extending outward from its edge.","id":"obj_008","temporal":{"status":"found","start_s":10.0,"end_s":13.25,"reference_s":11.0,"evidence":"目标是画面中心偏右、红色放射线中央开口中的大白色圆盘，不包括向外延伸的红线。首个合格帧为10.00秒，圆盘已完整呈现；最后合格帧为13.00秒。此前9.75秒仍是带纹理的圆形与文字，此后13.25秒已切换为六边形图案，目标消失。选择11.00秒作为关键帧，圆盘边界清晰完整，且与周围较小白圆容易区分。","start_frame":240,"end_frame":318,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[575,361.1,730.7,637],"positive_points":[[630.2,424.1],[677.1,407.4],[705.2,481.5],[680.7,575.9],[625,575.9],[592.7,499.1]],"negative_points":[[651.6,277.8],[796.9,493.5],[657.3,750],[519.8,453.7]],"evidence":"目标是画面中心偏右、红色放射线围绕的大白色圆盘。边界框紧贴圆盘的上下左右边缘，包含圆周及全部白色内部；六个正点分布在圆盘内部不同部位，四个负点位于圆盘外侧的放射线区域。"}},{"name":"Medium orbiting white circle","description":"White disk initially above and left of the large central circle, moving across the upper portion of the radial rays.","membership":"Includes this disk’s complete circular extent and enclosed area throughout its movement; excludes surrounding rays and other white disks.","id":"obj_009","temporal":{"status":"found","start_s":10.0,"end_s":13.25,"reference_s":10.5,"evidence":"目标是放射状红线上的中等白色圆盘，最初位于中央大白圆的左上方，随后沿上方向右移动；不包括较小白点及右侧更大的白圆。首个合格帧为10.00秒，最后为13.00秒，圆盘均完整可见。此前9.75秒仍是纹理圆图案，之后13.25秒已切换为六边形图案。选择10.50秒作为关键帧，目标轮廓清晰，与其他白圆分离。","start_frame":240,"end_frame":318,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[539.6,229.6,589.6,317.6],"positive_points":[[563,247],[550,269],[555,293],[571,294],[581,270],[564,274]],"negative_points":[[557,193],[518,276],[576,384],[653,498]],"evidence":"目标是大中央圆左上方、遮住粉红放射线的中等白色圆盘。边界框紧贴该圆盘的完整圆形范围；六个正点分散于其内部，负点位于外围射线区域、下方小白圆及中央大白圆，排除其他对象。"}},{"name":"Small orbiting white circle","description":"Small white disk initially close to the upper-left edge of the central circle, later moving down its left side and beneath it.","membership":"Includes only this small disk’s circular boundary and enclosed area; excludes the central disk, other moving disks, and red rays.","id":"obj_010","temporal":{"status":"found","start_s":10.0,"end_s":13.25,"reference_s":11.5,"evidence":"目标是中央大白圆左上方的最小白色圆盘，随后沿大圆左侧移动至下方，区别于其他较大的移动白圆。首个合格帧为10.00秒，末个为13.00秒，圆盘边界均完整；前一帧9.75秒仍是纹理圆图案，后一帧13.25秒已切换为红色几何图案，目标消失。选择11.50秒作为关键帧，此时小圆位于大圆左下侧，与其他白圆分离，轮廓清楚。","start_frame":240,"end_frame":318,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[543.75,514.81,565.1,552.78],"positive_points":[[547.92,532.41],[552.08,522.22],[559.38,526.85],[560.94,539.81],[554.17,546.3],[548.44,540.74]],"negative_points":[[653,499],[624,228],[801,201],[523,494]],"evidence":"目标是中央大白圆左侧略偏下、遮住红色射线的小白色圆盘。边界框紧贴该小圆盘，六个正点分布于其内部不同位置；负点位于中央大圆、上方及右上方其他白圆和左侧红色射线上，均不属于目标。"}},{"name":"Outer orbiting white circle","description":"Larger moving white disk initially partly cropped at the right edge of the radial graphic, then traveling upward and across the top.","membership":"Includes the visible portion of this disk and its enclosed white area, following its circular outline when fully visible. Excludes surrounding rays and other disks.","id":"obj_011","temporal":{"status":"found","start_s":10.75,"end_s":11.5,"reference_s":11.0,"evidence":"目标是红色放射线图案外围较大的白色圆盘，区别于中央大圆及另外两个较小圆盘。10.75秒首次完整显露，随后沿右上方移动，11.25秒为最后完整帧；此前10.50秒仍被图案右边界裁切，之后11.50秒开始被上边界裁切。选择11.00秒作为关键帧，此时圆形轮廓完整，与其他白圆分离清楚。","start_frame":258,"end_frame":276,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[805.7,217.6,884.4,355.6],"positive_points":[[843,282],[840,237],[818,282],[868,285],[839,332],[860,321]],"negative_points":[[770,289],[911,289],[591,246],[653,499]],"evidence":"目标是放射图右上方较大的外围白色圆盘，与中央大圆及上方较小白圆区分。边界框紧贴其完整圆形轮廓；六个正点分布在圆盘内部各部位，负点位于外围背景及明确排除的其他圆盘上。"}},{"name":"Angular symmetry pattern","description":"Red animated pattern of nested hexagonal outlines with repeated angular arms. Multiple motifs initially tile the inset area; the presentation later enlarges into a close view of the angular line structure.","membership":"Includes the repeated angular motifs and their visible linework. Closed hexagonal outlines include their enclosed areas; projecting open arms retain their open structure and do not include the gaps between arms. Excludes the independent title, corner marks, and blank space outside the motifs.","id":"obj_012","temporal":{"status":"found","start_s":13.5,"end_s":20.5,"reference_s":13.5,"evidence":"目标为红色嵌套六边形及重复折角伸臂组成的图案，先平铺，后放大为线条特写，属于同一次连续呈现。13.50秒首次完整建立；前一帧13.25秒仍在揭示，上部被遮罩截断。20.25秒为最后合格帧，20.50秒开始收缩并被淡化、遮罩移除。选择13.50秒作为关键帧，图案线条清晰，且尚无独立标题遮挡。","start_frame":324,"end_frame":492,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[101.5,100,900.6,902],"positive_points":[[250,146.3],[742.2,134.3],[499,392.6],[255.2,657.4],[747.4,643.5],[504.2,866.7]],"negative_points":[[99,100],[901,100],[50,500],[950,500]],"evidence":"目标是平铺的红色嵌套六边形及其重复折角臂。边界框覆盖所有可见图案线条，包括上下被截断的图案，不包含独立角标。六个正点分布在六组六边形的红色内部区域；负点位于上方两个独立十字角标及左右外部空白。"}},{"name":"Symmetry title","description":"Centered bold black “Symmetry” heading over the repeating red angular pattern.","membership":"Includes only the title���s letterforms; excludes the red pattern visible around and behind the text.","id":"obj_013","temporal":{"status":"found","start_s":13.75,"end_s":17.0,"reference_s":14.0,"evidence":"目标是红色重复角状图案上居中的黑色粗体“Symmetry”字样，仅包含字母。13.75秒首次完整显示，16.75秒仍完整可见；前一帧13.50秒只有红色图案，后一帧17.00秒标题已消失。选择14.00秒作为关键帧，标题清晰完整，易于与背景图案区分。","start_frame":330,"end_frame":408,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[365.6,460.2,634.4,545.4],"positive_points":[[383.3,472.2],[412.5,500.9],[437,506.5],[487.5,507.4],[544.3,520.4],[621.4,510.2]],"negative_points":[[500,375],[739.6,625],[500,574.1],[354.2,490.7]],"evidence":"目标是画面中央粗体黑色“Symmetry”标题，边界框紧贴完整标题并包含字母下伸部分。六个正点分布在标题左右各处的实际黑色笔画上；负点位于标题外的红色图案和浅色背景上，不标记字母孔洞或字间空隙。"}},{"name":"Common fate title","description":"Centered bold black “Common fate” heading revealed over the final red dot animation.","membership":"Includes the complete visible title’s letterforms throughout its reveal; excludes the dots, background, and corner marks.","id":"obj_014","temporal":{"status":"found","start_s":21.5,"end_s":23.0,"reference_s":21.5,"evidence":"目标是最终红点动画上居中的黑色粗体“Common fate”标题。21.25秒标题下部仍被遮罩裁切，21.5秒字形首次完整呈现；此后持续可见，最后合格帧为22.75秒，因此区间结束于视频末尾23.0秒，之后无采样帧。选择21.5秒为关键帧，标题清晰完整，周围红点较稀疏，便于标注。","start_frame":516,"end_frame":552,"reference_frame":516},"grounding":{"status":"found","bbox_xyxy":[317.2,457.4,677.6,527.8],"positive_points":[[323.4,492.6],[371.9,482.4],[444.8,505.6],[546.9,507.4],[581.3,491.7],[662.5,519.4]],"negative_points":[[508.3,410.2],[491.1,595.4],[294.3,502.8],[901,97.2]],"evidence":"图像中央可见粗体黑色标题“Common fate”。边界框紧贴完整标题的可见范围，包含字符间距；六个正点分布在不同字母的黑色笔画上，四个负点位于标题外的红点、左侧背景和右上角标记上。"}},{"name":"Spiral dot field","description":"Final animated graphic consisting of red dots arranged in radiating spiral rows around the center. The dots expand from a compact central pattern into a broad field behind “Common fate”.","membership":"Includes the individual red dots and their filled interiors throughout the expanding spiral arrangement, including cropped dots at the presentation edges. Excludes gaps between dots, the overlaid title, outer margins, and registration marks.","id":"obj_015","temporal":{"status":"found","start_s":21.75,"end_s":23.0,"reference_s":22.5,"evidence":"目标是“Common fate”标题后方由红色实心圆点组成的放射螺旋点阵。21.50秒仍处于初始淡入，外围点很淡；21.75秒点阵已完整建立，随后持续扩张，边缘裁切属于指定设计范围。最后 qualifying 帧为22.75秒，视频于23.00秒结束，无后续帧。选择22.50秒作为关键帧，圆点轮廓清晰，螺旋排列充分展开，便于排除标题和点间空白。","start_frame":522,"end_frame":552,"reference_frame":540},"grounding":{"status":"found","bbox_xyxy":[99,98,901,902],"positive_points":[[182,229],[773,220],[237,772],[828,764],[416,272],[540,450]],"negative_points":[[331,467],[637,488],[50,500],[99,902]],"evidence":"目标是围绕中心呈放射螺旋排列的红色实心圆点场。边界框覆盖全部可见圆点，包括画面四边被裁切的圆点，不含外围定位十字。六个正点分布在外围、中层和近中心的红点内部；负点位于叠加标题的黑色笔画、左侧外边距及左下定位十字上。"}}]}
+{"video_id":287,"video_type":"icons and abstract motion graphics","targets":[{"name":"Learning management system heading","description":"Large black heading above the opening graphics, reading “ONE LEARNING MANAGEMENT SYSTEM”.","membership":"Includes the complete text block only; excludes the laptop and people below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":2.75,"reference_s":1,"evidence":"目标是开场图形上方的完整黑色标题“ONE LEARNING MANAGEMENT SYSTEM”，不含下方电脑和人物。首个合格帧为0.00秒，标题已完整显示；最后合格帧为2.50秒。紧邻的2.75秒帧中标题变灰，开始淡出，因此不纳入。区间始于视频开头，无更早采样帧。选择1.00秒作为关键帧，标题清晰完整且无遮挡。","start_frame":0,"end_frame":66,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[124.5,113.9,858.3,174.1],"positive_points":[[132.3,145.4],[239.6,137],[386.5,123.1],[563.5,148.1],[713.5,122.2],[852.6,143.5]],"negative_points":[[500,65],[500,215],[176,380],[577,366]],"evidence":"目标是顶部黑色大标题���ONE LEARNING MANAGEMENT SYSTEM”。边界框紧贴整行文字，包含全部字符及字间空隙；六个正点分布在标题不同位置的笔画上，四个负点位于标题外的空白、下方笔记本边框和人物图形上。"}},{"name":"Opening talent-profile laptop","description":"Purple outlined laptop on the left, initially displaying a green key, which later dissolves while the key remains.","membership":"Includes the screen frame, enclosed display and its contents, keyboard base, and keys. Excludes the caption, external connectors, and overlaid exchange arrows.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":6,"reference_s":1,"evidence":"目标是开场左侧紫色轮廓笔记本，包含显示绿色钥匙的屏幕及键盘底座，不含文字、外部连线和叠加箭头。首个合格帧为0.00秒，结构已完整；视频起点之前无采样帧。最后合格帧为5.75秒，6.00秒开始轮廓断开并淡出，而绿色钥匙仍保留，因此区间止于6.00秒。选择1.00秒作为关键帧，电脑完整清晰，且没有箭头叠加遮挡。","start_frame":0,"end_frame":144,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[140.1,248.1,417.7,775.0],"positive_points":[[363,267],[290,324],[223,423],[156,735],[255,655],[361,718]],"negative_points":[[276,869],[577,606],[111,505],[445,740]],"evidence":"目标是左侧显示绿色钥匙的紫色轮廓笔记本电脑。边界框紧贴屏幕外框和键盘底座的整体外缘，包含显示区域、钥匙和按键，不含下方标题。正点分布在屏幕框、显示区域、钥匙、底座和按键上；负点位于下方标题、右侧蓝色人物及电脑外部背景。"}},{"name":"Green key","description":"Green key with a circular bow and two downward teeth, initially inside the laptop screen; later shown independently and moved into the calendar's padlock.","membership":"Includes the circular bow and its enclosed hole, shaft, and both teeth. Excludes the laptop, calendar, chain, and lock even where they overlap.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":9,"reference_s":7.75,"evidence":"目标是带圆环及环内孔、横向匙杆和两个向下齿的绿色钥匙。0.00秒已完整出现在笔记本屏幕内，随后独立移动，并在8.75秒仍可见于日历挂锁处，重叠不影响连续性。首个合格帧为0.00秒，之前无采样帧；最后合格帧为8.75秒，紧邻的9.00秒已切换为人物场景，钥匙消失。选择7.75秒作关键帧，此时钥匙独立、完整且无遮挡。","start_frame":0,"end_frame":216,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[180.7,697.2,394.3,839.8],"positive_points":[[190.1,768.5],[221.4,711.1],[220.3,768.5],[298.4,767.6],[355.2,812.0],[384.4,811.1]],"negative_points":[[152.1,767.6],[285.9,883.3],[385.9,525.0],[671.9,799.1]],"evidence":"目标是图像左下方独立的绿色钥匙，具有圆形匙环、水平匙杆和两个向下的齿。边界框紧贴整把钥匙；正点覆盖匙环、按规则纳入的环内孔、匙杆及两齿，负点位于外部背景、上方人物和右侧紫色挂锁上。"}},{"name":"Pink-headed blue person","description":"Stylized cyan person with a bright pink circular head, initially the left member of the feedback-review pair. Later moves to the upper left beside the calendar.","membership":"Includes the detached circular head and overlapping rounded body and arm strokes. Excludes surrounding connectors, the other person, and nearby graphics.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":9,"reference_s":7.5,"evidence":"目标由亮粉色圆形头部、青蓝色躯干及重叠圆端手臂构成，最初位于反馈评审双人组左侧，随后移动到日历左上方。首个合格帧为0.00秒，结构已完整；视频起点之前无采样帧。最后合格帧为8.75秒，9.00秒切换为大型绿色人物及多人场景，目标消失。选择7.50秒作为关键帧，目标完整清晰，与日历、钥匙及另一人物分离，遮挡最少。","start_frame":0,"end_frame":216,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[120.3,233.3,282.8,595.4],"positive_points":[[202,275],[202,358],[144,467],[257,467],[202,462],[202,550]],"negative_points":[[386,463],[220,818],[95,360],[202,190]],"evidence":"目标是左侧粉红色圆头、青蓝色身体的人形。边界框紧密覆盖分离的圆头及重叠的圆角躯干和双臂。六个正点分布在头、肩部、双臂和躯干上；负点位于右侧绿色人形、下方钥匙以及目标左侧和上方的外部背景。"}},{"name":"Slate-headed green person","description":"Stylized green person with a slate-blue circular head, initially the right member of the feedback-review pair. Enlarges among a row of smaller people, then appears beside the laptop and later to the left of the question mark.","membership":"Includes the head and complete rounded green body and arms, following their outline and concavities. Excludes connectors, other people, and the separate miniature profile later displayed inside a laptop.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":21.75,"reference_s":15.0,"evidence":"目标为石板蓝色圆头、绿色圆角身体及双臂的人形；从反馈评审双人组右侧，连续变大并移动到电脑旁及问号左侧。首个合格帧为0.00秒，结构已完整，视频起点之前无采样帧。最后合格帧为21.50秒，人形仍完整；紧邻的21.75秒已向左退出并被画面边界裁切。选择15.00秒为关键帧，此时目标位于问号左侧，轮廓清晰、无遮挡且易与其他元素区分。","start_frame":0,"end_frame":522,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[141.1,299.1,296.9,648.1],"positive_points":[[218,339],[219,417],[219,607],[162,522],[275,521],[249,479]],"negative_points":[[112,478],[324,521],[220,698],[398,357]],"evidence":"目标是问号左侧的石板蓝圆头绿色人物。边界框紧贴圆头及完整的圆角绿色躯干和双臂；六个正点分布在头、肩部、躯干及双臂上，四个负点位于人物外围背景和独立的复选框上。"}},{"name":"Talent profile caption","description":"Bold black text reading “TALENT PROFILE” beneath the opening laptop.","membership":"Includes the complete text block only; excludes the laptop above.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":2.75,"reference_s":1,"evidence":"目标是开场笔记本下方完整的黑色粗体文字“TALENT PROFILE”，不含笔记本。首个合格帧为0秒，最后合格帧为2.50秒；2.75秒文字已变灰，开始淡出，因此排除。目标在视频起点已完整呈现，没有更早的采样帧。选择1秒作为关键帧，文字清晰完整、无遮挡。","start_frame":0,"end_frame":66,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[127.1,835.2,432.3,895.4],"positive_points":[[138.5,863],[199.5,864.8],[232.8,874.1],[282.3,873.1],[334.4,872.2],[418.2,883.3]],"negative_points":[[279.2,755.6],[500,865.7],[93.8,870.4],[281.3,935.2]],"evidence":"目标是左侧笔记本下方的黑色粗体“TALENT PROFILE”。边界框紧贴完整文字块，排除上方笔记本。六个正点分布在两个单词的字形笔画上；负点位于笔记本、右侧标题及文字块外的背景。"}},{"name":"Feedback review caption","description":"Bold black text reading “FEEDBACK REVIEW” beneath the opening pair of people.","membership":"Includes the complete text block only; excludes the people and connecting line above.","id":"obj_007","temporal":{"status":"found","start_s":0.5,"end_s":2.75,"reference_s":1.0,"evidence":"目标是开场两个人物下方完整的黑色粗体“FEEDBACK REVIEW”文字，不含人物和连接线。首个合格帧为0.50秒，最后合格帧为2.50秒；前一帧0.25秒文字仍呈浅灰色，处于淡入阶段，后一帧2.75秒文字开始变灰淡出。选择1.00秒作为关键帧，文字完整清晰且无遮挡。","start_frame":12,"end_frame":66,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[494.8,835.2,857.8,895.4],"positive_points":[[500,870.4],[546.9,842.6],[595.3,868.5],[676,871.3],[740.6,888],[849,866.7]],"negative_points":[[677.1,925.9],[651,768.5],[760.4,546.3],[300,857.4]],"evidence":"目标是两个人形下方的黑色粗体“FEEDBACK REVIEW”。边界框紧贴完整单行文字，正点分布于各处字母笔画；负点位于文字上下的外部背景、上方绿色人形及左侧另一标题，排除人形和连接线。"}},{"name":"Opening laptop exchange arrows","description":"Two purple opposing chevrons appear over the left and right edges of the opening laptop screen, indicating exchange.","membership":"Includes the two rounded chevron strokes as one compact exchange symbol. Their open centers remain open; excludes the laptop and key underneath.","id":"obj_008","temporal":{"status":"found","start_s":2.75,"end_s":6.0,"reference_s":4.5,"evidence":"目标是开场左侧笔记本屏幕周围的两个紫色圆角反向折箭头，不包括笔记本和绿色钥匙。2.75秒首次同时完整呈现两个箭头，此后虽旋转换位仍持续存在，最后合格帧为5.75秒。此前2.50秒仅有一个完整箭头；此后6.00秒箭头开始淡出。选择4.50秒作为关键帧，因为两个箭头清楚分列屏幕左右，便于区分和标注。","start_frame":66,"end_frame":144,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[141.7,333.3,417.7,434.3],"positive_points":[[151,396],[176,350],[201,394],[355,370],[382,417],[408,370]],"negative_points":[[271,266],[286.5,380],[275.5,499],[116.7,379.6]],"evidence":"目标是笔记本屏幕左右两侧方向相反的紫色圆头折线。边界框紧贴两枚折线的整体可见范围；六个正点分别覆盖两枚折线的两端和转折处。负点位于明确排除的笔记本边框、绿色钥匙及左侧外部背景，不标记折线的开放中心。"}},{"name":"Blue calendar","description":"Large blue calendar introduced on the right, with three binding tabs and a three-by-three grid of date squares. It is subsequently secured with a purple chain and padlock.","membership":"Includes the rounded outer frame, enclosed calendar surface, binding tabs, and nine squares. Excludes the separately overlaid chain, padlock, and key.","id":"obj_009","temporal":{"status":"found","start_s":7.0,"end_s":9.0,"reference_s":7.0,"evidence":"目标是右侧蓝色日历，具有圆角外框、三个装订 tabs 和九宫格日期方块，不包括叠加的紫色链条、锁及绿色钥匙。首个合格帧为7.00秒，此前6.75秒日期方块仍在逐步出现，结构尚未完整；最后合格帧为8.75秒，9.00秒已切换为多个人形的场景，日历消失。选择7.00秒作为关键帧，因为日历结构完整，链条尚未大面积遮挡，便于标注。","start_frame":168,"end_frame":216,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[580.2,205.6,857.3,746.3],"positive_points":[[634,238],[795,265],[590,559],[718,521],[815,661],[697,729]],"negative_points":[[609,437],[386,462],[302,768],[902,510]],"evidence":"目标是右侧带三个装订标签和九个日期方块的蓝色日历。边界框紧贴标签顶部及圆角外框的左右、下缘；正点分布在标签、外框、日期方块和内部日历表面。负点位于另行叠加的紫色链条碎片、左侧绿色人物、下方钥匙及右侧外部背景，均不属于日历。"}},{"name":"Calendar chain and padlock","description":"Purple linked chain draped across the calendar, with a rectangular padlock hanging from its lowest section; the green key moves into the lock.","membership":"Includes all chain-link boundaries and their enclosed openings, plus the padlock body, shackle, and enclosed openings. Follows the linked shapes rather than filling the spaces between them; excludes the calendar and green key.","id":"obj_010","temporal":{"status":"found","start_s":7.5,"end_s":9.0,"reference_s":7.75,"evidence":"目标是横跨蓝色日历的紫色链条及下悬的矩形挂锁，不包括日历和绿色钥匙。7.50秒首次显示完整链环、锁体和锁梁；此前7.25秒右侧链环仍在绘制显现。最后合格帧为8.75秒，钥匙已进入锁中；9.00秒切换为人物场景，链条和挂锁消失。选择7.75秒作关键帧，链锁结构清晰，且尚未被钥匙遮挡。","start_frame":180,"end_frame":216,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[545.3,354.6,901,891.7],"positive_points":[[572.9,370.4],[604.2,551.9],[705.7,624.1],[830.7,585.2],[882.8,444.4],[677.1,813]],"negative_points":[[724,269.4],[645.8,416.7],[312.5,768.5],[927.1,740.7]],"evidence":"目标是日历前方垂挂的紫色链条及底部矩形挂锁。边界框紧贴全部链环、锁梁和锁体的可见外缘；正点分布于左右链环、下方链段及锁体。负点位于明确排除的蓝色日历、绿色钥匙和右侧外部背景，不标记链环或锁内的开口。"}},{"name":"Small orange row person","description":"Orange person with a darker orange head at the far left of the row surrounding the enlarged green person. It is initially raised and connected to the larger figure.","membership":"Includes this person's circular head, rounded torso, and both arms only; excludes its dotted connector and neighboring figures.","id":"obj_011","temporal":{"status":"found","start_s":9.0,"end_s":10.25,"reference_s":9.0,"evidence":"目标是放大绿色人物周围队列最左侧的橙色小人，含深橙色圆头、躯干和双臂，不含虚线。首个合格帧为9.00秒，此时小人完整呈现且上抬；最后合格帧为10.00秒。此前8.75秒仍是日历和钥匙场景，目标未出现；此后10.25秒队列左移，橙色小人已离开画面。选择9.00秒为关键帧，因为目标完整清晰、无遮挡，且与邻近人物容易区分。","start_frame":216,"end_frame":246,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[74.5,479.6,153.1,676.9],"positive_points":[[113.5,503.7],[113.5,560.2],[86.5,607.4],[140.1,607.4],[113.5,613],[113.5,651.9]],"negative_points":[[114.6,397],[210.4,561.1],[54.2,564.8],[161.5,713]],"evidence":"目标是队列最左侧、位置略高的橙色小人。边界框紧贴其深橙色圆头、圆角躯干及双臂，不含上方虚线连接线。正点分布于头部、躯干和两臂；负点位于上方连接线、相邻绿色小人及外围背景。"}},{"name":"Small bright-green row person","description":"Light-green person with a dark green head, immediately to the right of the orange row person. It is raised during the sequence of individual connections.","membership":"Includes this person's head, torso, and arms only; excludes connectors and adjacent figures.","id":"obj_012","temporal":{"status":"found","start_s":9.0,"end_s":10.5,"reference_s":9.5,"evidence":"目标是橙色排队人物右侧、深绿色圆头和浅绿色身体的小人，9.50秒时被抬高并连接虚线。首次完整出现于9.00秒，最后完整帧为10.25秒；此前8.75秒仍是双人与日历场景，尚无该排队人物，之后10.50秒目标向左移出时已被画面边界裁切。选择9.50秒作为关键帧，目标完整、与邻���分离且身份清晰。","start_frame":216,"end_frame":252,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[170.3,480.6,249.5,676.9],"positive_points":[[210,505],[209,561],[182,602],[237,603],[210,626],[209,658]],"negative_points":[[114,636],[305,637],[211,422],[262,508]],"evidence":"目标是橙色人物右侧、位置抬高的浅绿色小人，头部为深绿色。边界框紧贴其头、躯干和双臂，不包含上方虚线连接线。六个正点分布在头部、躯干及双臂；负点位于相邻橙色和蓝色人物、上方连接线及右侧外部背景。"}},{"name":"Small blue row person","description":"Muted-blue person with a dark blue head, initially between the bright-green and beige figures. It is later raised and connected to the large green person.","membership":"Includes the complete head and body of this figure; excludes the dotted connection and other people.","id":"obj_013","temporal":{"status":"found","start_s":9.0,"end_s":11.25,"reference_s":10.5,"evidence":"目标是亮绿色与米色小人之间、深蓝色圆头和灰蓝色身体的小人，随后升高并以虚线连接大型绿色小人。首个完整帧为9.00秒，最后合格帧为11.00秒；前一帧8.75秒仍是钥匙与日历场景，尚无该排小人，后一帧11.25秒目标已开始淡出。选择10.50秒，目标完整清晰且已升高，容易与相邻小人及虚线区分。","start_frame":216,"end_frame":270,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[79.2,480.6,158.3,676.9],"positive_points":[[118.2,503.7],[118.2,559.3],[92.7,607.4],[143.8,606.5],[118.2,618.5],[118.8,655.6]],"negative_points":[[158,370],[24,561],[218,561],[174,497]],"evidence":"目标是左侧被抬高、位于绿色与米色小人之间的蓝色小人，上方有虚线连接。边界框紧贴完整头部、躯干和双臂，不含虚线。六个正点分布于头部、双臂及躯干上下部；负点位于连接虚线、相邻绿色和米色小人及右侧外部背景。"}},{"name":"Small beige row person","description":"Beige person with an olive-gray head, initially between the blue and coral figures in the row.","membership":"Includes this figure's head, rounded torso, and arms, excluding adjacent figures and connectors.","id":"obj_014","temporal":{"status":"found","start_s":9.0,"end_s":11.25,"reference_s":9.5,"evidence":"目标是横排中位于蓝色与珊瑚红人物之间、橄榄灰色圆头和米色躯干及双臂的小人物。9.00秒首次完整出现，11.00秒为最后完整且未淡出的采样帧；前一帧8.75秒仍是日历和钥匙场景，后一帧11.25秒该人物已开始淡出。选择9.50秒作为关键帧，目标结构清楚且无遮挡，与相邻人物易于区分。","start_frame":216,"end_frame":270,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[365.1,536.1,444.3,732.4],"positive_points":[[404.6,559.3],[403.6,617.6],[403.1,663.9],[404.7,709.3],[379.2,658.3],[431.8,661.1]],"negative_points":[[305.2,639.8],[502.1,641.7],[404.2,499.1],[458.3,762.0]],"evidence":"目标是蓝色与珊瑚红色小人之间、橄榄灰色头部的米色小人。边界框紧贴其头、圆角躯干和双臂；六个正点分布在这些部位，负点位于相邻蓝色和珊瑚红色小人及目标外侧背景，不包含连接线。"}},{"name":"Small coral row person","description":"Coral-red person with a darker red head, immediately left of the enlarged green person.","membership":"Includes this person's head and body, including portions overlapped by the enlarged figure; excludes the enlarged figure itself.","id":"obj_015","temporal":{"status":"found","start_s":9.0,"end_s":11.25,"reference_s":10.5,"evidence":"目标为彩色小人横排中、放大的绿色小人紧左侧的珊瑚红小人，具有深红色圆头，部分身体被大绿人遮挡。首次完整出现于9.00秒，最后符合条件的帧为11.00秒；前一帧8.75秒仍是日历和钥匙场景，后一帧11.25秒该小人已开始淡出。选择10.50秒作关键帧，目标颜色和轮廓清楚，与相邻小人易于区分。","start_frame":216,"end_frame":270,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[276.6,536.1,355.7,732.4],"positive_points":[[316,561],[313,614],[289,660],[316,706],[337,638],[346,665]],"negative_points":[[396,650],[218,633],[316,500],[315,783]],"evidence":"目标是放大的绿色人物紧邻左侧、深红头部的珊瑚红小人。边界框覆盖其头部、躯干和双臂，包括右臂与大人物重叠的部分。正点分布在头、躯干、双臂及重叠区域；负点位于大型绿色人物、左侧土黄色人物及目标上下方的外部背景。"}},{"name":"Small purple row person","description":"Purple person with a dark purple head, immediately right of the enlarged green person.","membership":"Includes this figure's head and rounded body and arms only; excludes the overlapping large green figure and neighboring people.","id":"obj_016","temporal":{"status":"found","start_s":9.0,"end_s":11.25,"reference_s":10.5,"evidence":"目标是放大的绿色人物紧邻右侧、深紫色圆头及紫色圆角躯干和双臂的小人物。首个合格帧为9.00秒，最后合格帧为11.00秒；此前8.75秒仍为日历和钥匙场景，没有该人物，之后11.25秒该人物开始随小人物行淡出。选择10.50秒作为关键帧，其形状清楚，与右侧邻人易于区分，且受大绿人物遮挡较少。","start_frame":216,"end_frame":270,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[620.3,536.1,699.5,732.4],"positive_points":[[659.5,560],[659,616],[658,689],[661,718],[687,658],[640,648]],"negative_points":[[594,665],[753,562],[660,490],[705,760]],"evidence":"目标是放大绿色人物紧右侧的小紫色人物，深紫色圆头清晰可辨。边界框紧贴其头部、圆角躯干及双臂的整体范围。六个正点分布在头、躯干和两臂的紫色可见部分；负点位于左侧大型绿色人物、右侧相邻人物及外部空白，排除这些区域。"}},{"name":"Small sage-green row person","description":"Muted-green person with a darker green head, to the right of the purple figure in the row.","membership":"Includes this person's circular head and complete body silhouette only; excludes other figures.","id":"obj_017","temporal":{"status":"found","start_s":9.0,"end_s":11.25,"reference_s":10.5,"evidence":"目标是横排人物中紧邻紫色人物右侧的鼠尾草绿色小人，具有深绿色圆头和完整身体。首个合格帧为9.00秒，最后为11.00秒；此前8.75秒仍是日历与钥匙场景，没有该人物，之后11.25秒该人物随整排小人开始淡出。选择10.50秒作为关键帧，目标完整清晰，与相邻人物易于区分。","start_frame":216,"end_frame":270,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[714.1,536.1,793.2,732.4],"positive_points":[[753.5,560.8],[752.8,612.5],[726.5,660.2],[781.4,660.8],[753.7,660.5],[753.2,710.4]],"negative_points":[[659.8,634.2],[847.3,632.5],[712.5,550.2],[783.5,766.4]],"evidence":"目标是横排中紫色人物右侧、棕色人物左侧的灰绿色小人。边界框紧贴其深绿色圆头及完整身体轮廓；六个正点分布在头部、肩胸、双臂和下方躯干，负点位于相邻紫色、棕色人物及目标外侧空白背景。"}},{"name":"Small brown row person","description":"Dusty-brown person with a darker brown head, revealed on the right as the row shifts left.","membership":"Includes this figure's head, torso, and arms only; excludes adjacent people.","id":"obj_018","temporal":{"status":"found","start_s":10.25,"end_s":11.25,"reference_s":10.5,"evidence":"目标是横排人物右侧、绿色小人与青色小人之间的灰棕色人物，具有深棕色圆头及灰棕色躯干和双臂。10.25秒首次完整进入画面，至11.00秒仍完整可见；前一帧10.00秒仍被右边界裁切，后一帧11.25秒已开始随整排人物淡出。选择10.50秒为关键帧，此时目标轮廓完整、无遮挡且与相邻人物清晰分开。","start_frame":246,"end_frame":270,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[807.8,536.1,887,732.4],"positive_points":[[847.2,560.2],[846.4,611.1],[845.8,656.5],[847.4,703.7],[821.9,657.4],[875,659.3]],"negative_points":[[753.6,640.7],[941.1,640.7],[847,483.3],[903.6,717.6]],"evidence":"目标是右侧绿色小人与青色小人之间的灰棕色小人，头部呈深棕色。边界框紧贴其头、躯干和双臂；六个正点分布在这些部位，四个负点位于相邻绿色、青色小人及目标外部的空白背景。"}},{"name":"Small teal row person","description":"Muted-teal person with a darker teal head, at the right end of the revealed row.","membership":"Includes this figure's head and body only; excludes adjacent people and the laptop above.","id":"obj_019","temporal":{"status":"found","start_s":10.5,"end_s":11.25,"reference_s":10.75,"evidence":"目标是横排最右端、深青色圆头和灰青色身体的小人，仅包含头和身体，不含旁边棕色人物或上方电脑。首个完整帧为10.50秒，最后合格帧为11.00秒；10.25秒时该人物仍被画面右边界裁切，11.25秒开始随横排人物淡出。选择10.75秒作为关键帧，此时形状完整清晰且无遮挡。","start_frame":252,"end_frame":270,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[901.6,536.1,980.7,732.4],"positive_points":[[940.6,560.2],[940.1,610.2],[916.7,657.4],[965.1,660.2],[940.6,676.9],[940.1,714.8]],"negative_points":[[846.9,561.1],[839.1,410.2],[990.1,654.6],[937.5,500]],"evidence":"目标是人物行最右端、深青色圆头配浅青色身体的小人。边界框紧贴其头部、双臂和躯干；六个正点分布在这些部位。负点位于左邻棕色人物、上方笔记本及目标上方和右侧的外部背景，均不包含在目标内。"}},{"name":"Review-process laptop","description":"Purple laptop introduced above the right side of the row of people. It has a blank screen and later moves between the green person and a checklist.","membership":"Includes the screen boundary, enclosed display, keyboard base, and all keys throughout its movement and dissolution. Excludes dotted connectors, external exchange arrows, and the separate checklist.","id":"obj_020","temporal":{"status":"found","start_s":10.5,"end_s":14.0,"reference_s":13.5,"evidence":"目标是最初出现在人物队列右上方、随后移动到绿色人物与清单之间的紫色空屏笔记本电脑，不含虚线连接及外部箭头。10.50秒屏幕边框、显示区域、键盘底座和按键首次完整建立；此前10.25秒仍在逐步绘制。最后合格帧为13.75秒，14.00秒边框和底座开始断开、消解。选择13.50秒作为关键帧，此时电脑完整清晰，与人物及独立清单容易区分。","start_frame":252,"end_frame":336,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[376,294,617,752],"positive_points":[[408,382],[493,408],[472,312],[394,670],[517,734],[550,648]],"negative_points":[[594,266],[666,528],[153,600],[840,580]],"evidence":"目标是绿色人物与右侧清单之间的紫色笔记本电脑。边界框紧贴屏幕边框和键盘底座，包含空白显示区域及全部按键，不包含外部交换箭头和虚线连接。正点分布于屏幕边框、显示区域、底座和按键；负点位于上方交换箭头、右侧虚线、绿色人物及独立清单。"}},{"name":"Review laptop exchange arrows","description":"Pair of purple directional chevrons positioned at opposing corners of the review-process laptop screen, changing orientation as the laptop moves.","membership":"Includes both open chevron strokes only; excludes the laptop beneath them and the nearby connectors.","id":"obj_021","temporal":{"status":"found","start_s":11.0,"end_s":14.0,"reference_s":12.75,"evidence":"目标是审阅流程中笔记本屏幕对角位置的两枚紫色开放式折线箭头，不包含电脑或虚线连接。11.00秒两枚箭头均已完整显现，持续至13.75秒；此前10.75秒箭头仍在淡入，之后14.00秒已开始淡化、消解。选择12.75秒作为关键帧，两枚箭头清楚分居屏幕左上和右下角，易于单独标注。","start_frame":264,"end_frame":336,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[404.7,254.6,584,569.4],"positive_points":[[413,269.4],[435.4,310.2],[413,350.9],[574.5,474.1],[553.1,513.9],[575,554.6]],"negative_points":[[500,311.1],[585.4,412],[473.9,621.3],[650.5,527.8]],"evidence":"目标是笔记本屏幕左上角向右、右下角向左的两个紫色开放折线箭头。包围框覆盖两支箭头的全部可见笔画；六个正点分布在各箭头的两臂和转折处。负点位于明确排除的屏幕边框、键盘及右侧虚线连接器上。"}},{"name":"Pink review checklist","description":"Rounded pink checklist panel introduced to the right of the review-process laptop. It contains three colored checkbox rows with black and pink text-like strokes, which become checked.","membership":"Includes the pink frame, enclosed white surface, all three checkbox rows, check marks, and horizontal strokes. Excludes the laptop, connectors, and the later question-mark symbol.","id":"obj_022","temporal":{"status":"found","start_s":13.0,"end_s":14.25,"reference_s":13.5,"evidence":"目标是笔记本右侧的粉色圆角清单面板，内有三行彩色复选框及黑粉横线。13.00秒边框和白色面板已完整建立，随后逐行打勾；12.75秒上边框仍有缺口，尚在绘制。最后合格帧为14.00秒；14.25秒清单行开始被擦除并进入退出变形。选择13.50秒作为关键帧，三行及勾选标记完整清晰，且无遮挡。","start_frame":312,"end_frame":342,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[740.6,330.6,946.4,725],"positive_points":[[773,345],[788,410],[871,480],[787,610],[873,636],[914,680]],"negative_points":[[696,528],[585,411],[966,554],[843,776]],"evidence":"目标为笔记本右侧的粉色圆角核对清单，含三行已勾选的彩色复选框及黑色、粉色横线。边界框紧贴整个粉色面板外缘；正点分布于边框、内部白色面板和清单行，负点位于左侧连接线、笔记本及面板外部背景，均不包含在目标内。"}},{"name":"First checked review item","description":"Top checklist entry with a teal outlined checkbox, dark check mark, one dark line, and two pink lines. It remains independently visible as the rest of the checklist disappears and is presented within the upper curve of a question mark.","membership":"Includes the teal checkbox boundary and enclosed area, its check mark, and the three associated horizontal strokes as one reading unit. Excludes the checklist's outer panel and the surrounding question mark.","id":"obj_023","temporal":{"status":"found","start_s":13.25,"end_s":21.75,"reference_s":15.5,"evidence":"目标是青蓝色方框及勾号、右侧一条深色线和两条粉色线组成的首条审查项目，不含外框和问号。13.25秒首次完整呈现，前一帧13.00秒尚无勾号；随后其他项目消失，该项目持续保留于问号上部。最后合格帧为21.50秒，21.75秒该项目开始淡出。选择15.50秒作为关键��，此时项目独立清晰，无遮挡，便于标注。","start_frame":318,"end_frame":522,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[393.8,316.7,541.1,395.4],"positive_points":[[397.4,355.6],[409.4,337.0],[426.0,345.4],[500.0,332.4],[500.0,357.4],[490.0,383.3]],"negative_points":[[576.6,350.0],[501.0,541.7],[218.8,463.0],[369.8,287.0]],"evidence":"目标是问号上部曲线内独立可见的勾选条目。边界框紧密覆盖青色复选框及内部、深色勾号和右侧一深两粉三条横线。六个正点分布于框边、框内、勾号及三条横线；负点位于排除的紫色问号、左侧人物和目标外部背景。"}},{"name":"Purple question mark","description":"Large purple question mark formed beside the green person, with the remaining checked review item positioned inside its upper curve.","membership":"Includes the curved hook, descending stem, and detached dot. The open curve does not enclose a filled region; excludes the checked item and surrounding arrows.","id":"obj_024","temporal":{"status":"found","start_s":15.0,"end_s":22.0,"reference_s":15.25,"evidence":"目标是绿色人物旁的紫色问号，包含弯钩、下垂竖干和独立圆点，勾选条目位于上部弯曲内侧但不属于目标。15.00秒首次完整呈现；此前14.75秒仅绘出部分弯钩，竖干和圆点尚未建立。最后合格帧为21.75秒，问号虽旋转移动但仍完整；22.00秒已拆散为多个紫色片段。选择15.25秒作为关键帧，问号清晰完整，无周围箭头遮挡。","start_frame":360,"end_frame":528,"reference_frame":366},"grounding":{"status":"found","bbox_xyxy":[485.4,197.2,589.1,698.1],"positive_points":[[505.2,222.2],[554.7,266.7],[574.5,359.3],[546.9,453.7],[501,562],[502.1,668.5]],"negative_points":[[416.7,365.7],[496,357.4],[219.3,481.5],[645.8,537]],"evidence":"目标是绿色人物右侧的大号紫色问号。边界框紧贴弯钩、下垂竖干和分离圆点；六个正点分布在这些紫色实笔部分。负点位于明确排除的勾选项及其文字线、绿色人物和右侧外部背景，不标记问号内部的自然留白。"}},{"name":"Purple-headed blue person","description":"Blue person with a purple circular head introduced to the right of the question mark, opposite the slate-headed green person.","membership":"Includes the circular head and complete rounded body and arms. Excludes nearby arrows and the smaller group below.","id":"obj_025","temporal":{"status":"found","start_s":16.75,"end_s":22.0,"reference_s":17.0,"evidence":"目标是问号右侧、与灰蓝头绿色人物相对的紫色圆头蓝色人物，仅包括头、身体和双臂。16.75秒首次完成淡入，21.75秒仍完整可见，虽已移动到画面右缘；此前16.50秒尚在淡入，此后22.00秒已消失。选择17.00秒作为关键帧，人物完整清晰，与箭头及下方小人组分离，便于标注。","start_frame":402,"end_frame":528,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[705.7,299.1,861.5,648.1],"positive_points":[[783.9,338],[782.3,422.2],[729.2,514.8],[838,518.5],[783.9,537],[783.9,616.7]],"negative_points":[[218.8,490.7],[570.3,351.9],[781.3,844.4],[906.3,481.5]],"evidence":"目标是问号右侧、与左侧绿色人物相对的紫色圆头蓝色人物。边界框紧贴圆头及完整圆角躯干和双臂；六个正点分布在头部、肩部、双臂及躯干上下部。负点位于左侧绿色人物、问号、下方小人物及右侧外部背景，均不属于目标。"}},{"name":"Left four-person feedback group","description":"Compact row of four small orange, green, blue, and beige people appearing beneath the green person on the left of the question mark.","membership":"Includes the heads and bodies of all four figures in this compact group. Excludes the larger person above and the diagonal feedback arrow; does not fill gaps between figures.","id":"obj_026","temporal":{"status":"found","start_s":17.0,"end_s":22.0,"reference_s":19.0,"evidence":"目标是问号左下方、较大绿色人物下方的橙、绿、蓝、米色四个小人横排，不包含上方人物和斜箭头。17.00秒四个人均已完成淡入，16.75秒仍呈淡入中的半透明状态；最后合格帧为21.75秒，整组向下移动但仍完整可见，22.00秒已消失。选择19.00秒作关键帧，四人结构清晰、无遮挡且与右侧人群易于区分。","start_frame":408,"end_frame":528,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[130.2,769.4,314.1,874.1],"positive_points":[[151,783.5],[151,854],[198.5,837],[245.5,849],[293,783.5],[293,849]],"negative_points":[[164,399],[374,678],[225,920],[109,828]],"evidence":"目标是图像左下方橙、绿、蓝、米色四个小人组成的紧凑横排。边界框覆盖四人的全部头部和身体，不包含上方大人或斜向箭头。正点分布在四人的头部与身体上；负点位于上方大人、斜向箭头及该组左侧和下方的外部背景。"}},{"name":"Right four-person feedback group","description":"Separate compact row of four small orange, green, blue, and beige people beneath the purple-headed blue person on the right.","membership":"Includes all four small figures' heads and bodies. Excludes the larger figure above and its feedback arrow; leaves the gaps between people outside the region.","id":"obj_027","temporal":{"status":"found","start_s":17.25,"end_s":22.0,"reference_s":19.0,"evidence":"目标是右侧紫色头部蓝色大人物下方，由橙、绿、蓝、米色四个小人物组成的独立横排。17.00秒该组仍在淡入，17.25秒四人的头和身体均完整呈现；最后合格帧为21.75秒，整组向下移动但仍完整可见，22.00秒已消失。选择19.00秒作为关键帧，四人清晰、无遮挡，且易与左侧人物组区分。","start_frame":414,"end_frame":528,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[680.7,787.0,863.5,889.8],"positive_points":[[701.0,800.0],[701.0,863.0],[748.4,853.7],[795.8,800.0],[795.8,862.0],[843.2,850.9]],"negative_points":[[833.3,370.4],[619.8,675.9],[770.8,935.2],[890.6,827.8]],"evidence":"目标是右下方独立排列的橙、绿、蓝、米色四个小人。边界框紧贴四人的全部头部和身体；正点分布在四人的头部或躯干上。负点位于上方大人、斜向反馈箭头及该组下方和右侧的外部背景，不标记人物间隙。"}},{"name":"Left horizontal feedback arrow","description":"Blue right-pointing arrow extending from the green person toward the checked item and question mark.","membership":"Includes the shaft and rounded chevron head, following their actual outline. Excludes the person, checked item, and question mark.","id":"obj_028","temporal":{"status":"found","start_s":18.25,"end_s":21.5,"reference_s":19.0,"evidence":"目标是左侧绿色人物指向勾选项及紫色问号的蓝色水平右箭头，包含箭杆和圆角箭头。18.25秒首次完整呈现，21.25秒为最后合格帧；此前18.00秒仅出现箭杆，箭头尚未绘制完成，此后21.50秒开始淡出。选择19.00秒作为关键帧，箭头完整清晰、无遮挡，易与人物和中央图标区分。","start_frame":438,"end_frame":516,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[231.8,311.1,373.4,411.1],"positive_points":[[246,362],[287,362],[326,362],[346,328],[365,362],[347,397]],"negative_points":[[165,361],[412,360],[287,287],[288,435]],"evidence":"目标是左侧绿色人物右边、指向勾选图标的蓝色水平右箭头。边界框紧贴箭杆及圆角箭头轮廓；六个正点分布在箭杆、箭尖和上下斜臂，四个负点位于绿色人物、勾选图标及箭头外部的上下背景。"}},{"name":"Lower-left feedback arrow","description":"Blue diagonal arrow pointing up and right from the left four-person group toward the question mark.","membership":"Includes the diagonal shaft and arrowhead only; excludes the group and question mark.","id":"obj_029","temporal":{"status":"found","start_s":18.5,"end_s":21.5,"reference_s":19.0,"evidence":"目标是左下方四人组朝问号指向右上的蓝色斜箭头，仅含箭杆和箭头。18.50秒首次完整显示，21.25秒为最后一个完整且未淡出的采样帧；前一帧18.25秒仅有正在绘制的斜箭杆，后一帧21.50秒箭头已开始淡出。选择19.00秒作为关键帧，此时箭头形状清晰、无遮挡，易与其他箭头区分。","start_frame":444,"end_frame":516,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[324.5,567.6,432.3,760.2],"positive_points":[[335.9,739.8],[358.3,699.1],[384.9,651.9],[408.3,611.1],[398.4,581.5],[424.5,627.8]],"negative_points":[[293.2,821.3],[501.0,545.4],[621.4,699.1],[322.9,601.9]],"evidence":"目标是左下四人组上方、朝问号方向指向右上的蓝色斜箭头。边界框紧贴箭杆和箭头端部；六个正点分布于斜杆及箭头两翼，负点位于左下人物、紫色问号、右下另一支箭头和外部空白背景，均不包含在目标内。"}},{"name":"Lower-right feedback arrow","description":"Blue diagonal arrow pointing up and left from the right four-person group toward the question mark.","membership":"Includes the diagonal shaft and arrowhead only; excludes the group and question mark.","id":"obj_030","temporal":{"status":"found","start_s":18.75,"end_s":21.5,"reference_s":19.0,"evidence":"目标是右下方四人组指向中央问号的蓝色左上向斜箭头，仅含箭杆和箭头。18.75秒首次完整呈现，21.25秒为最后合格帧；此前18.5秒箭头尚未绘制完整，此后21.5秒已开始淡出。选择19.0秒作为关键帧，箭头结构清晰、无遮挡，且易与其他箭头区分。","start_frame":450,"end_frame":516,"reference_frame":456},"grounding":{"status":"found","bbox_xyxy":[561.5,569.4,669.8,761.1],"positive_points":[[657.8,738],[631.3,688.9],[604.2,641.7],[577.6,594.4],[596.4,583.3],[568.8,629.6]],"negative_points":[[501,557.4],[748.9,839.8],[676,623.1],[544.3,694.4]],"evidence":"目标是右下四人组上方、朝左上方问号指向的蓝色斜箭头。边界框紧贴箭杆和箭头两翼；六个正点分布在斜杆及两翼上，负��位于问号、右下人物组和箭头外部空白处。"}},{"name":"Right horizontal feedback arrow","description":"Blue left-pointing arrow extending from the purple-headed blue person toward the question mark.","membership":"Includes the horizontal shaft and arrowhead only; excludes the person and question mark.","id":"obj_031","temporal":{"status":"found","start_s":19.0,"end_s":21.5,"reference_s":20.0,"evidence":"目标是右侧紫色头部蓝色人物与中央问号之间、朝左的蓝色水平箭头，仅包含箭杆和箭头。19.0秒首次完整呈现，21.25秒为最后符合条件的帧；此前18.75秒仅有短箭杆，箭头尚未构建完成，之后21.5秒已开始淡出。选择20.0秒作为关键帧，箭头完整清晰且无遮挡。","start_frame":456,"end_frame":516,"reference_frame":480},"grounding":{"status":"found","bbox_xyxy":[623.9,313.9,765.6,413],"positive_points":[[754.2,362],[711.5,362.5],[666.1,362],[650.5,328.7],[632.8,362],[650.5,398.1]],"negative_points":[[834.4,362],[574,351.9],[713.5,305.6],[713.5,430.6]],"evidence":"目标是右侧紫色头部人物与问号之间、朝左的蓝色水平箭头。边框紧贴箭杆及箭头两翼；六个正点分布在箭杆、左端尖部及上下两翼，四个负点位于右侧人物、问号以及箭杆上下的外部背景，排除人物和问号。"}},{"name":"Final profile laptop","description":"Purple laptop presented centrally after the question-mark scene. Its screen contains a miniature green person and three profile-information strokes. It shrinks as outward arrows and recipients appear around it.","membership":"Includes the screen frame and enclosed display, miniature person, information strokes, keyboard base, and keys. Excludes the outward arrows and surrounding recipient figures.","id":"obj_032","temporal":{"status":"found","start_s":22.75,"end_s":25.0,"reference_s":22.75,"evidence":"目标是问号场景后居中的紫色笔记本，屏幕内含绿色小人和三条资料线。22.50秒虽已形成完整外框，屏幕人物仍在淡入；22.75秒整体完整清晰，作为首个合格帧及关键帧。此后笔记本缩小，周围出现箭头和接收者，但目标持续完整可见至最后一帧24.75秒。区间延至视频终点25.00秒，之后没有采样帧。","start_frame":546,"end_frame":600,"reference_frame":546},"grounding":{"status":"found","bbox_xyxy":[322.4,216.7,663.5,863.9],"positive_points":[[492,240],[437,399],[532,376],[573,463],[518,717],[570,840]],"negative_points":[[254,499],[743,503],[495,145],[493,930]],"evidence":"图中央的紫色笔记本电脑与目标吻合，屏幕内有绿色人物和三条资料线。边界框紧贴屏幕外框及键盘底座的整体外缘；正点分布在屏框、人物、资料线、显示区域、按键和底座上，负点位于电脑上下左右的外部背景。"}},{"name":"Upward profile-sharing arrow","description":"Blue arrow above the final profile laptop, pointing upward toward the top recipient.","membership":"Includes its vertical shaft and rounded arrowhead only; excludes the laptop and recipient.","id":"obj_033","temporal":{"status":"found","start_s":23.75,"end_s":25.0,"reference_s":24.5,"evidence":"目标是最终个人资料笔记本上方、指向顶部接收者的蓝色向上箭头，仅含竖直箭杆和圆端箭头。23.75秒首次完整呈现，前一帧23.50秒尚无该向上箭头；此后持续完整可见至最后采样帧24.75秒。区间延伸至视频结尾25.00秒，无后续帧。选择24.50秒作为关键帧，箭头结构清晰，与笔记本及顶部人物分离、无遮挡。","start_frame":570,"end_frame":600,"reference_frame":588},"grounding":{"status":"found","bbox_xyxy":[472.4,259.3,522.4,379.6],"positive_points":[[497.4,365.7],[497.4,332.4],[497.4,296.3],[478.6,303.7],[515.6,303.7],[497.4,271.3]],"negative_points":[[497.4,221.3],[497.4,393.5],[455.7,321.3],[540.6,321.3]],"evidence":"目标是中央笔记本上方、指向顶部接收者的蓝色向上箭头。边界框紧贴竖直箭杆和圆角箭头，不含笔记本及人物。六个正点分布于箭杆、顶部和两侧箭翼；负点位于顶部人物、笔记本上边框及箭头左右的外部背景。"}},{"name":"Leftward profile-sharing arrow","description":"Blue arrow to the left of the final profile laptop, pointing outward toward the left recipient.","membership":"Includes its horizontal shaft and rounded arrowhead only; excludes the laptop and recipient.","id":"obj_034","temporal":{"status":"found","start_s":23.75,"end_s":25.0,"reference_s":24.5,"evidence":"目标是最终个人资料笔记本左侧、向左侧接收者指去的蓝色箭头，仅含水平箭杆和圆角箭头。23.75秒首次结构完整，24.75秒为最后合格采样帧；此前23.50秒仅出现短蓝线，箭头尚未绘制完成。此后持续完整至视频结束，没有边界外的后续帧。选择24.50秒作为关键帧，箭头清晰无遮挡，与笔记本及左侧接收者的关系明确。","start_frame":570,"end_frame":600,"reference_frame":588},"grounding":{"status":"found","bbox_xyxy":[315.6,397.2,442.7,487.0],"positive_points":[[338.5,412],[324,442],[338.5,471],[359.4,442],[397,442],[432,442]],"negative_points":[[455,444],[264,444],[375,389],[375,505]],"evidence":"目标是中央笔记本左侧、朝左侧接收者指向的蓝色箭头。边界框紧贴水平箭杆及圆角箭头；六个正点分布在箭杆和箭头两翼上，负点位于笔记本、左侧接收者以及箭头上下方的外部背景。"}},{"name":"Rightward profile-sharing arrow","description":"Blue arrow to the right of the final profile laptop, pointing outward toward the right recipient.","membership":"Includes its horizontal shaft and rounded arrowhead only; excludes the laptop and recipient.","id":"obj_035","temporal":{"status":"found","start_s":23.75,"end_s":25.0,"reference_s":24.5,"evidence":"目标是最终个人资料笔记本右侧、朝右侧接收者指向的蓝色水平箭头，仅含箭杆和圆角箭头。23.50秒仅出现短线，结构尚未完成；23.75秒箭杆和箭头已完整建立，持续至最后采样帧24.75秒。区间到达视频末尾25.00秒，之后没有帧。选择24.50秒作为关键帧，此时箭头完整清晰，与笔记本和右侧接收者易于区分。","start_frame":570,"end_frame":600,"reference_frame":588},"grounding":{"status":"found","bbox_xyxy":[555.7,397.2,683.3,487.0],"positive_points":[[566,442],[601,442],[637,442],[658,412],[674,443],[658,473]],"negative_points":[[540,441],[736,445],[612,375],[616,518]],"evidence":"目标是中央笔记本右侧、指向绿色接收者的蓝色右箭头。边界框紧贴水平箭杆和圆角箭头；六个正点分布于箭杆、箭尖及上下斜臂，负点位于笔记本、右侧接收者及箭头外部背景，排除这些非目标区域。"}},{"name":"Downward profile-sharing arrow","description":"Blue arrow below the final profile laptop, pointing downward toward the bottom recipient.","membership":"Includes its vertical shaft and rounded arrowhead only; excludes the laptop and recipient.","id":"obj_036","temporal":{"status":"found","start_s":23.75,"end_s":25.0,"reference_s":24.5,"evidence":"目标是最终个人资料笔记本下方、指向底部接收者的蓝色向下箭头，仅含竖直箭杆和圆角箭头。23.75秒首次完整呈现，前一帧23.5秒尚未出现完整向下箭头；最后合格帧为24.75秒，至视频结束仍完整可见，结束边界外无采样帧。选择24.5秒，箭头形状清晰且无遮挡，与笔记本及底部接收者容易区分。","start_frame":570,"end_frame":600,"reference_frame":588},"grounding":{"status":"found","bbox_xyxy":[471.9,610.2,522.4,712],"positive_points":[[496.9,625],[496.9,651.9],[479.2,667.6],[486.5,683.3],[511.5,672.2],[496.9,698.1]],"negative_points":[[497.9,597.2],[497.9,755.6],[450.5,664.8],[544.3,664.8]],"evidence":"目标是中央笔记本下方、指向底部接收者的蓝色向下箭头。边界框紧贴竖直箭杆和圆角箭头；六个正点分布在箭杆、两侧斜翼及底端，负点位于上方笔记本、下方人物头部和左右外部背景，排除这些非目标区域。"}},{"name":"Top profile recipient","description":"Teal person with a purple head positioned above the final laptop and upward arrow, initially partly cropped by the top edge.","membership":"Includes the visible circular head and complete rounded body and arms as they enter view. Excludes the arrow below.","id":"obj_037","temporal":{"status":"found","start_s":24.5,"end_s":25.0,"reference_s":24.5,"evidence":"目标是最终笔记本和向上箭头上方的紫色圆头、青绿色身体及双臂的人形，不包括箭头。24.25秒时头部仍被画面顶边裁切；24.5秒首次完整进入画面，24.75秒仍完整可见，因此区间至视频结束25.0秒，之后无采样帧。选择24.5秒作为关键帧，目标轮廓完整清晰，与下方箭头分离。","start_frame":588,"end_frame":600,"reference_frame":588},"grounding":{"status":"found","bbox_xyxy":[456.3,56.5,539.6,241.7],"positive_points":[[497.5,77.8],[497.4,123.1],[467.7,175],[528.1,175],[497.9,179.6],[498.4,221.3]],"negative_points":[[497.4,308.3],[497.9,393.5],[436.5,125],[560.4,125]],"evidence":"目标是笔记本及向上箭头上方的紫色圆头、青绿色人形。边界框紧贴完整可见的头部、圆角躯干和双臂，不含下方箭头。六个正点分布在头、肩、双臂和躯干；负点位于下方箭头、笔记本边框及两侧外部背景。"}},{"name":"Left profile recipient","description":"Muted-red person with an olive-green head, positioned to the left of the final laptop's outward arrow.","membership":"Includes this person's head, torso, and arms only; excludes the sharing arrow and laptop.","id":"obj_038","temporal":{"status":"found","start_s":24.25,"end_s":25.0,"reference_s":24.5,"evidence":"目标是最终笔记本左侧、向左分享箭头外端的橄榄绿色圆头和暗红色身体的人形，仅包含头、躯干和双臂。24.25秒首次完整出现，24.75秒仍完整可见；此前24.00秒只有笔记本和箭头，目标尚未出现。区间延续至视频结尾，无后续采样帧。选择24.50秒，人物结构清晰且无遮挡，与箭头和笔记本明确分离。","start_frame":582,"end_frame":600,"reference_frame":588},"grounding":{"status":"found","bbox_xyxy":[222.4,351.9,305.7,538.0],"positive_points":[[264.1,372.2],[264.1,416.7],[235.9,468.5],[293.8,465.7],[264.1,468.5],[264.1,518.5]],"negative_points":[[338.5,441.7],[455.2,441.7],[208.3,370.4],[264.1,574.1]],"evidence":"目标是笔记本左侧、向左分享箭头外端的暗红色人物，头部为橄榄绿色。边界框紧贴其头、躯干和双臂；六个正点分布在这些部位，四个负点位于分享箭头、笔记本及人物外侧背景，排除非目标内容。"}},{"name":"Right profile recipient","description":"Green person with a slate-blue head, newly presented to the right of the final laptop's outward arrow.","membership":"Includes this recipient's head and complete rounded body and arms only; excludes the arrow and the miniature person inside the laptop screen.","id":"obj_039","temporal":{"status":"found","start_s":24.25,"end_s":25.0,"reference_s":24.5,"evidence":"目标是最终笔记本电脑右侧、向外箭头末端的绿身体、灰蓝色头部人物，不包括箭头或屏幕内小人。24.25秒首次完整呈现头、圆角身体和双臂，24.75秒仍完整可见；前一帧24.00秒只有电脑及箭头，尚无该人物。区间延续至视频末尾，之后无采样帧。选择24.50秒作为关键帧，人物轮廓清晰且无遮挡。","start_frame":582,"end_frame":600,"reference_frame":588},"grounding":{"status":"found","bbox_xyxy":[694.8,340.7,777.6,525.9],"positive_points":[[736.5,362],[736.5,405.6],[707.8,456.5],[765.6,456.5],[736.5,464.8],[736.5,507.4]],"negative_points":[[668.2,442.6],[478.6,445.4],[799.5,444.4],[736.5,300]],"evidence":"目标是笔记本右侧向外箭头旁的绿色人物，头部为灰蓝色。边界框紧贴其头部、完整圆角躯干及双臂；六个正点分布在这些部位，负点位于左侧箭头、屏幕内的小人物及目标上方和右侧的外部背景。"}},{"name":"Bottom profile recipient","description":"Indigo-blue person with a muted-purple head, positioned below the final laptop and downward arrow.","membership":"Includes the circular head, rounded torso, and both arms only; excludes the arrow above.","id":"obj_040","temporal":{"status":"found","start_s":24.25,"end_s":25.0,"reference_s":24.5,"evidence":"目标是最终笔记本及向下箭头下方的人形，具有灰紫色圆头、靛蓝色躯干和双臂，不包含箭头。24.25秒首次完整出现，24.75秒仍完整可见；前一帧24.00秒只有向下箭头，尚无人形。区间延续至视频结尾25.00秒，无后续帧。选择24.50秒作为关键帧，因为人形轮廓清晰、无遮挡且与箭头分离。","start_frame":582,"end_frame":600,"reference_frame":588},"grounding":{"status":"found","bbox_xyxy":[456.3,735.2,539.6,920.4],"positive_points":[[498,755],[498,797],[468,854],[528,852],[499,852],[498,899]],"negative_points":[[497,691],[447,802],[550,896],[501,555]],"evidence":"目标是笔记本和向下箭头下方的人形，具有暗紫色圆头和靛蓝色身体。边界框紧贴圆头、圆角躯干及双臂；六个正点分布在这些部位，四个负点位于上方箭头、笔记本及人形外侧背景，不包含内部空隙。"}}]}
+{"video_id":288,"video_type":"icons and abstract motion graphics","targets":[{"name":"Opening large left circle","description":"A solid electric-blue disk dominating the left side of the opening view, above a smaller circle near the lower edge.","membership":"Includes the filled disk and its circular boundary; excludes the pale background and neighboring shapes.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是开场左侧占据显著面积的实心电蓝色大圆盘，其下方靠近画面底边有较小圆形。首个及最后一个符合条件的采样帧均为0.00秒，圆盘边界完整清晰；紧邻的0.25秒帧中，该大圆盘已被多个较小圆形及左向折角形替代，因此结束于0.25秒。区间始于视频开头，没有更早的帧。选择0.00秒作为关键帧，因为目标完整、无遮挡且易于区分。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[19.5,182.2,230.5,782.2],"positive_points":[[117,247],[55,364],[189,351],[41,567],[135,571],[144,720]],"negative_points":[[50,950],[311,636],[245,489],[125,67]],"evidence":"目标是左侧占据主要面积、位于下缘小圆上方的实心蓝色大圆。边界框紧贴完整圆盘；六个正点分布在圆盘上、中、下部，四个负点位于右侧浅色背景及上方、右侧和左下方的其他圆形内。"}},{"name":"Upper middle-left circle","description":"The upper disk in the opening vertical pair of medium blue circles just left of center.","membership":"Includes this disk's blue fill and circular boundary, excluding the separate disk below and all surrounding shapes.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":2.75,"reference_s":0,"evidence":"目标是开场紧靠画面中心左侧、上下排列的两个中等蓝色圆盘中的上圆，不包括下圆。首个合格帧为0.00秒，最后为2.50秒；期间其蓝色填充和圆形边界完整可见。紧邻的2.75秒帧中，该圆盘被多个较小圆盘替代，故结束此次出现。区间始于视频开头，没有更早的采样帧。选择0.00秒作为关键帧，因为开场上下圆盘的关系明确，目标完整且无遮挡。","start_frame":0,"end_frame":66,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[259.4,173.3,365.6,473.3],"positive_points":[[312.5,222.2],[287.5,262.2],[341.4,282.2],[277.3,344.4],[305.5,406.7],[337.5,391.1]],"negative_points":[[312.5,637.8],[437.5,322.2],[312.5,55.6],[241.4,444.4]],"evidence":"目标是画面中部偏左、第一组上下排列的中等蓝色圆盘中的上圆。边界框紧贴该圆盘的可见圆周；六个正点分布在其蓝色填充内，四个负点分别位于下方圆盘、右侧圆盘、顶部独立圆盘及左侧外部背景。"}},{"name":"Lower middle-left circle","description":"The lower disk in the opening vertical pair of medium blue circles just left of center.","membership":"Includes this disk's blue fill and circular boundary; excludes neighboring disks and the background.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0,"evidence":"目标是开场紧邻画面中心左侧、上下排列的两个中等蓝色圆盘中的下方圆盘。首个合格帧为0.00秒，最后为0.75秒，期间蓝色填充与圆形边界均完整；紧接的1.00秒帧中，该圆盘已被多个小圆组成的图案替代。区间始于视频开头，没有更早的采样帧。选择0.00秒作关键帧，目标完整清晰，上下配对关系明确。","start_frame":0,"end_frame":24,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[259.4,491.1,365.6,791.1],"positive_points":[[312.5,544.4],[285.2,588.9],[285.2,684.4],[314.8,740],[343.8,671.1],[338.3,575.6]],"negative_points":[[312.5,326.7],[437.5,635.6],[203.1,622.2],[375,640]],"evidence":"目标是中心偏左第一列中等蓝色圆盘中的下方圆盘。边界框紧贴该圆盘的可见外缘，六个正点分布在其蓝色填充的不同部位；负点位于上方圆盘、右侧圆盘、左侧大圆盘及右侧外部背景，排除相邻对象。"}},{"name":"Upper central circle","description":"The upper disk in the second opening pair of medium blue circles, immediately right of the middle-left pair.","membership":"Includes the filled circular shape and its boundary, excluding the separate shapes above, below, and alongside it.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":2.75,"reference_s":0.25,"evidence":"目标是开场中左侧圆形对右边、第二对中等蓝色圆形中的上方圆盘，不包含其上下及两侧图形。它在0.00秒已完整呈现，并持续至最后合格帧2.50秒；紧邻的2.75秒帧中，原圆盘已被多个较小圆形替代，因此结束该次出现。区间始于视频开头，没有更早采样帧。选择0.25秒作为关键帧，因为目标边界清晰、无遮挡，且与旁边圆形对的位置关系明确。","start_frame":0,"end_frame":66,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[385.2,173.3,490.6,473.3],"positive_points":[[418,238],[461,249],[401,333],[470,387],[436,424],[436,322]],"negative_points":[[437,640],[312,322],[437,100],[562,322]],"evidence":"目标是图像中央偏左、紧邻左侧圆形对右方的第二对中等蓝圆中的上圆。边界框紧贴该实心圆的可见边缘；六个正点分布在圆内不同部位，四个负点分别位于其上方、下方及左右的独立图形上。"}},{"name":"Lower central circle","description":"The lower disk in the second opening pair of medium blue circles. Its location subsequently becomes occupied by smaller circles.","membership":"Includes only the original filled disk and its circular boundary, not the smaller circles that replace it.","id":"obj_005","temporal":{"status":"found","start_s":0.0,"end_s":1.0,"reference_s":0.5,"evidence":"目标是开场两列中等蓝色圆盘中第二列的下方圆盘，位于画面中央偏左；仅计原始实心圆及圆形边界。首个合格帧为0.00秒，最后为0.75秒，期间圆盘完整可见。1.00秒同一位置已被多个较小圆形替换，因此结束于1.00秒。区间始于视频开头，无更早采样帧。选择0.50秒作为关键帧，目标轮廓清楚、无遮挡，易于与周围圆形区分。","start_frame":0,"end_frame":24,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[385,491,491,793],"positive_points":[[437,545],[405,608],[468,614],[420,717],[454,739],[437,650]],"negative_points":[[437,324],[312,641],[562,650],[510,817]],"evidence":"目标是画面中央偏左、两列中等蓝色圆盘中第二列的下方圆盘。边界框紧贴该完整圆盘；六个正点分布在圆盘内部的不同部位，四个负点位于上方圆盘、左侧圆盘、右侧沙漏形及外部背景上。"}},{"name":"Opening large center-right circle","description":"A large blue disk to the right of the two central pairs of circles, matching the opening large left disk in scale.","membership":"Includes the disk's entire filled interior and circular boundary; excludes the surrounding smaller symbols.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是开场位于中央两列成对圆形右侧的大蓝色实心圆盘，与左侧大圆盘尺度相当。首个和最后一个合格采样帧均为0.00秒，圆盘边界及内部完整可见；0.25秒时该位置已被沙漏形和多个小圆等图形替代，因此连续出现结束。区间起于视频开头，没有更早采样帧。选择0.00秒作为关键帧，因为目标完整、无遮挡且易与周围小图形区分。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[519.5,182.2,730.5,782.2],"positive_points":[[625,277.8],[570.3,386.7],[673.4,397.8],[554.7,577.8],[625,682.2],[696.1,577.8]],"negative_points":[[437.5,633.3],[812.5,322.2],[625,928.9],[746.1,488.9]],"evidence":"目标是中央两列小圆右侧的大蓝色实心圆，与左侧大圆大小相当。边界框紧贴该圆的完整可见边界；六个正点分布在圆内不同部位，四个负点位于左侧小圆、右侧小圆、下方另一大圆及目标右侧的外部背景。"}},{"name":"Upper right medium circle","description":"The medium blue disk above an hourglass on the right side of the opening view, left of the narrow column of smaller symbols.","membership":"Includes the filled disk and its circular boundary, excluding the hourglass beneath it and adjacent symbols.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0,"evidence":"目标是开场右侧、沙漏上方且位于细小符号列左边的中等蓝色圆盘，不包括下方沙漏。首个合格帧为0.00秒，最后合格帧为1.00秒，期间圆盘完整可见；紧接的1.25秒帧中，该圆盘已被多个较小圆形及符号替代。区间始于视频开头，没有更早的采样帧。选择0.00秒为关键帧，因其圆形边界清晰，且与描述中的沙漏和右侧符号列关系明确。","start_frame":0,"end_frame":30,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[759.4,173.3,865.6,473.3],"positive_points":[[808,218],[782,282],[838,277],[814,326],[790,386],[833,407]],"negative_points":[[812.5,640],[906.3,244.4],[736,320],[625,478]],"evidence":"目标是右侧沙漏上方、较小符号列左侧的中等蓝色圆盘。边界框紧贴该圆盘的可见圆周；六个正点分布在圆盘内部不同部位，负点位于下方沙漏、右侧小圆、左侧背景及另一大圆上，均不属于目标。"}},{"name":"Right middle hourglass","description":"A vertically oriented blue hourglass directly below the upper right medium circle, with broad rounded ends and an inward-curving waist.","membership":"Includes the solid hourglass following its actual concave outline; excludes the pale areas beside its waist and all neighboring shapes.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0,"evidence":"目标是右上方中等大小蓝色圆形正下方的竖直蓝色沙漏，具有宽圆端部和内凹腰部。首个合格帧为0.00秒，最后一个为0.75秒，期间轮廓完整；紧邻的1.00秒帧中，该位置已被向左突出的实心多边形替代。目标在视频起点已完整出现，无更早采样帧。选择0.00秒作为关键帧，目标清晰无遮挡，且与上方圆形的位置关系明确。","start_frame":0,"end_frame":24,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[775,489,850,793],"positive_points":[[789,529],[834,531],[812,607],[812,664],[791,753],[837,760]],"negative_points":[[812,322],[938,633],[756,642],[870,642]],"evidence":"目标是右侧中等蓝色圆正下方、两端宽圆且腰部内凹的竖直沙漏。边界框紧贴该沙漏的可见轮廓；六个正点分布于上端、细腰及下端的蓝色实体内，负点位于上方圆、右邻沙漏和目标两侧的浅色外部背景。"}},{"name":"Opening far-right lower hourglass","description":"A second medium blue hourglass near the right edge, horizontally aligned with the right middle hourglass. It is later replaced by smaller symbols.","membership":"Includes the connected blue silhouette, its rounded ends, and narrow waist; excludes the background in its side concavities and the replacement symbols.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":0,"evidence":"目标是开场靠近最右边、与右侧中部沙漏水平对齐的下方中号蓝色沙漏，具有连通轮廓、圆润两端和狭窄腰部。首个合格帧为0.00秒，最后一个为2.00秒，其间完整可见；2.25秒同一位置已被较小的折角等符号替换。区间始于视频开头，没有更早的采样帧。选择0.00秒为关键帧，因为目标轮廓清楚、无遮挡，且与相邻沙漏容易区分。","start_frame":0,"end_frame":54,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[900,488.9,975,793.3],"positive_points":[[917.2,524.4],[957,533.3],[937.5,642.2],[925.8,706.7],[916.4,762.2],[959.4,760]],"negative_points":[[812.5,633.3],[937.5,911.1],[906.3,404.4],[989.1,646.7]],"evidence":"目标是图像右侧下方、与左邻中型沙漏水平对齐的蓝色沙漏。边界框紧贴其圆润上下端和连接腰部。六个正点分布在上端、窄腰及下端蓝色内部；负点位于左邻沙漏、下方圆形、上方小沙漏和右侧外部背景，均不属于目标。"}},{"name":"Left replacement upper circle","description":"A medium blue disk appearing in the upper-right portion of the area initially occupied by the large left circle, above a left-pointing chevron.","membership":"Includes this filled disk and circular boundary; excludes the small circles to its left and the chevron below.","id":"obj_010","temporal":{"status":"found","start_s":0.25,"end_s":1.5,"reference_s":0.25,"evidence":"目标是原左侧大圆占据区域右上方的中等蓝色实心圆盘，首次出现时位于左向折角上方，左侧为小圆群。首个合格帧为0.25秒，最后为1.25秒；期间下方图形变化，但该圆盘持续完整存在。前一帧0.00秒此处仍是大圆，后一帧1.50秒目标已被多个较小图形替换。选择0.25秒作为关键帧，圆盘边界清晰，且与下方折角的位置关系最易辨认。","start_frame":6,"end_frame":36,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[135.16,173.33,240,473.33],"positive_points":[[171.88,233.33],[207.03,255.56],[152.34,322.22],[187.5,344.44],[211.72,388.89],[172.66,428.89]],"negative_points":[[93.75,244.44],[93.75,400],[171.88,633.33],[242.19,533.33]],"evidence":"目标是图像左侧、左指向折角上方的中等蓝色实心圆。边界框紧贴该圆的完整可见边界；六个正点分布在圆内各部位，负点位于左侧两个小圆、下方折角及右下方外部背景，排除这些非目标区域。"}},{"name":"Left replacement lower circle","description":"A medium blue disk appearing below a group of smaller circles on the far left, beside the left-pointing chevron.","membership":"Includes the blue disk and its boundary, excluding the separate circle below it and all adjacent shapes.","id":"obj_011","temporal":{"status":"found","start_s":0.25,"end_s":2.0,"reference_s":0.5,"evidence":"目标是最左侧小圆组下方的中等蓝色圆盘，右邻左指向折角，与其下方的独立圆盘分开。首个合格帧为0.25秒，最后为1.75秒，期间圆盘完整持续存在；此前0秒该位置属于一个更大的圆盘，之后2.0秒目标被多个小圆替代。选择0.5秒作为关键帧，此时圆盘边界清晰，上方小圆组及右侧左指向折角便于区分目标。","start_frame":6,"end_frame":48,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[9.4,491.1,115.6,791.1],"positive_points":[[61.7,546.7],[32.0,597.8],[92.2,606.7],[35.9,700.0],[71.9,740.0],[74.2,651.1]],"negative_points":[[31.3,402.2],[60.2,911.1],[171.1,637.8],[128.1,664.4]],"evidence":"目标是最左侧小圆组下方、左指尖括号旁的中等蓝色实心圆。边界框紧贴该圆，不包含下方独立圆或邻近形状。六个正点分布于圆内不同部位；负点位于上方小圆、下方圆、右侧尖括号及圆外背景。"}},{"name":"Left large chevron","description":"A thick blue left-pointing chevron beneath the left replacement upper circle. Its right side has a deep open notch.","membership":"Includes the filled chevron along its rounded outer and inner edges; excludes the background within its open right-hand notch.","id":"obj_012","temporal":{"status":"found","start_s":0.25,"end_s":0.75,"reference_s":0.25,"evidence":"目标位于画面左侧替换后的上方圆形下方，是粗蓝色左指向折角，右侧有深凹的开放缺口。首个合格帧为0.25秒，最后为0.50秒；此前0.00秒该区域仍为大圆形，之后0.75秒目标已被沙漏形替换。选择0.25秒作为关键帧，因其轮廓完整、无遮挡，且与上方圆形的位置关系清晰。","start_frame":6,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[144.5,491.1,230.5,791.1],"positive_points":[[210.2,520],[185.9,548.9],[160.2,620],[160.9,673.3],[185.2,737.8],[215.6,760]],"negative_points":[[187.5,322.2],[312.5,640],[62.5,633.3],[246.1,822.2]],"evidence":"目标是左侧大圆下方的粗蓝色左向折角，右侧有明显的开放缺口。边界框紧贴其可见上下端及左右边缘；六个正点分布在上下斜臂和左侧转折的蓝色填充处，四个负点位于邻近圆形及外部背景，未放入右侧缺口。"}},{"name":"Upper center-right hourglass","description":"A medium vertical blue hourglass appearing immediately right of the central circle pair when the opening large center-right disk disappears.","membership":"Includes its connected blue fill and concave boundary; excludes the separate hourglass below and the background beside the waist.","id":"obj_013","temporal":{"status":"found","start_s":0.25,"end_s":1.25,"reference_s":0.5,"evidence":"目标是中央圆形组右侧、另一独立沙漏上方的中等蓝色竖直沙漏。首个完整出现帧为0.25秒，最后符合帧为1.00秒；此前0.00秒该区域由大蓝色圆盘占据，之后1.25秒目标被左向折角形替代。选择0.50秒为关键帧，沙漏轮廓完整清晰，且与下方沙漏分离。","start_frame":6,"end_frame":30,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[525.8,171.1,600,475.6],"positive_points":[[546.1,211.1],[581.3,213.3],[562.5,286.7],[562.5,346.7],[543.8,433.3],[583.6,435.6]],"negative_points":[[562.5,562.2],[460.2,324.4],[527.3,326.7],[615.6,355.6]],"evidence":"目标是中央上下两圆右侧、两个独立沙漏中较上方的蓝色沙漏。框紧贴其完整可见蓝色轮廓；六个正点分布于上下宽部和连接腰部，负点位于下方独立沙漏、左侧圆形及腰部两侧的外部背景。"}},{"name":"Lower center-right hourglass","description":"The lower of the two medium blue hourglasses appearing immediately right of the central circle pair.","membership":"Includes the complete filled hourglass silhouette, excluding the neighboring symbols and pale side indentations.","id":"obj_014","temporal":{"status":"found","start_s":0.25,"end_s":0.75,"reference_s":0.25,"evidence":"目标是中央上下圆形右侧、两个中等蓝色沙漏中较低的一个。首个合格帧为0.25秒，最后合格帧为0.50秒，完整填充轮廓均清晰可见。此前0.00秒该位置被大圆占据；此后0.75秒该沙漏已被向左的实心箭头状符号替代。选择0.25秒作为关键帧，因为上下沙漏及其与中央圆形的关系最清楚，且目标无遮挡。","start_frame":6,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[525,491.1,600,791.1],"positive_points":[[546.1,522.2],[578.9,526.7],[562.5,637.8],[539.1,757.8],[584.4,755.6],[562.5,773.3]],"negative_points":[[437.5,644.4],[562.5,408.9],[687.5,640],[507.8,666.7]],"evidence":"目标是中央上下圆形对右侧、两个中型蓝色沙漏中较下方的一个。边界框紧贴完整沙漏轮廓；正点分布于上部、细腰和下部的蓝色实心区域，负点位于左侧圆形、上方及右侧沙漏和外部浅色背景，不标记侧面凹口。"}},{"name":"Hourglass beneath right circle cluster","description":"A medium blue hourglass to the right of the lower center-right hourglass, beneath a compact arrangement of smaller blue circles.","membership":"Includes the hourglass's fill and actual outline; excludes the circle cluster above and the background around its waist.","id":"obj_015","temporal":{"status":"found","start_s":0.25,"end_s":0.5,"reference_s":0.25,"evidence":"目标是画面中部偏右、紧凑小圆簇下方的蓝色沙漏，位于另一枚较低沙漏的右侧。首个和最后一个符合条件的采样帧均为0.25秒：沙漏轮廓完整清晰。前一帧0秒该位置由大圆占据，后一帧0.5秒已替换为向左的实心箭头状图形。选择0.25秒作为关键帧，目标无遮挡且与上方圆簇分离明确。","start_frame":6,"end_frame":12,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[650.8,491.1,724.2,791.1],"positive_points":[[670,528],[702,530],[687.5,607],[687.5,667],[668,751],[708,754]],"negative_points":[[656,402],[562,645],[637,636],[742,638]],"evidence":"目标是右侧紧凑小圆簇正下方、下排中央沙漏右邻的蓝色沙漏。边界框紧贴其完整轮廓；六个正点分布在上下宽部及中间腰部，负点位于上方圆形、左邻沙漏和目标两侧的外部背景。"}},{"name":"Right-center left-pointing block","description":"A solid blue left-pointing block replacing the hourglass beneath the right circle cluster. It has a broad nearly vertical right edge and a rounded point on the left.","membership":"Includes the entire filled block within its rounded polygonal outline; excludes surrounding circles and background.","id":"obj_016","temporal":{"status":"found","start_s":0.5,"end_s":1.75,"reference_s":0.5,"evidence":"目标位于画面右中部圆形簇下方，是右缘近乎竖直、左端圆钝的实心蓝色左指块。首个符合帧为0.50秒，最后一个为1.50秒；此前0.25秒同一位置是沙漏形，此后1.75秒已被圆形替代。选择0.50秒为关键帧，此时轮廓完整无遮挡，左右相邻位置仍为沙漏，便于区分目标。","start_frame":12,"end_frame":42,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[637.5,491.1,737.5,791.1],"positive_points":[[650,640],[682.8,546.7],[719.5,535.6],[721.9,642.2],[718,748.9],[682,724]],"negative_points":[[717,400],[562.5,637.8],[812.5,644],[742,838]],"evidence":"目标是右侧圆形簇下方的实心蓝色左指块，左端圆钝、右边近乎竖直。边界框紧贴其完整多边形轮廓；六个正点分布在左端及宽阔主体的上下部，四个负点位于上方圆形、左右沙漏形和右下方外部背景。"}},{"name":"Left replacement hourglass","description":"A medium blue hourglass replacing the large left chevron, below the left replacement upper circle.","membership":"Includes its blue connected silhouette, rounded ends, and narrow waist; excludes the pale side concavities and nearby symbols.","id":"obj_017","temporal":{"status":"found","start_s":0.75,"end_s":1.75,"reference_s":1.0,"evidence":"目标是画面左侧、上方替换圆形下方的中号蓝色沙漏，替代此前的大型左向折角，具有圆润两端和相连的窄腰。首个合格帧为0.75秒，最后合格帧为1.50秒；前一帧0.50秒该处仍是左向折角，后一帧1.75秒已被圆形替代。选择1.00秒作为关键帧，因为目标轮廓完整、无遮挡且位置清晰。","start_frame":18,"end_frame":42,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[150,488.9,225,793.3],"positive_points":[[167.2,522.2],[207.8,524.4],[187.5,617.8],[187.5,664.4],[166.4,753.3],[206.3,753.3]],"negative_points":[[187.5,333.3],[312.5,640],[62.5,640],[242.2,644.4]],"evidence":"目标是左侧大圆下方的中型蓝色沙漏。边界框紧贴其上下圆角端部及连接的窄腰；六个正点分布在上端、腰部和下端蓝色区域，负点位于上方及左右相邻圆形和右侧外部浅色背景，均不包含目标。"}},{"name":"Central left-pointing block","description":"A solid blue left-pointing block replacing the lower center-right hourglass, directly left of the similar right-center block.","membership":"Includes this block's filled interior and rounded polygonal boundary; excludes the separately presented block to its right.","id":"obj_018","temporal":{"status":"found","start_s":0.75,"end_s":2.75,"reference_s":1.0,"evidence":"目标是画面中部偏右下方的实心蓝色左指块，替代原沙漏，位于另一相似左指块的正左侧。首个完整出现帧为0.75秒，最后符合帧为2.50秒；此前0.50秒同一位置仍是沙漏，此后2.75秒已被圆形替代。选择1.00秒为关键帧，目标轮廓完整清晰，且与右侧独立块之间有明确间隔。","start_frame":18,"end_frame":66,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[512.5,488.9,612.5,791.1],"positive_points":[[562,535],[597,545],[530,642],[573,643],[556,736],[596,745]],"negative_points":[[686,641],[562,420],[469,719],[624,652]],"evidence":"目标是图像中部偏右、沙漏正下方的第一个蓝色左指块，右侧还有同类块。边界框紧贴其左端尖角、上下边及右侧圆角边界；六个正点分布在该块的填充区域，负点位于右侧独立块、上方沙漏、左侧圆形及右侧外部背景。"}},{"name":"Far-right upper hourglass","description":"A medium blue hourglass appearing above the opening far-right lower hourglass, forming a vertical pair near the right edge.","membership":"Includes the upper hourglass's connected blue silhouette and actual concave outline, excluding the lower hourglass and surrounding background.","id":"obj_019","temporal":{"status":"found","start_s":1.0,"end_s":2.75,"reference_s":1.0,"evidence":"目标是靠近右边缘、位于原有下方沙漏正上方的中等蓝色沙漏，二者形成竖直一对。首次完整出现于1.00秒，最后符合条件的帧为2.50秒；此前0.75秒该位置仍是圆形与小沙漏组合，之后2.75秒上方沙漏被多个较小图形替代。选择1.00秒作为关键帧，因为目标轮廓完整清晰，与下方沙漏容易区分。","start_frame":24,"end_frame":66,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[900,173.3,975,475.6],"positive_points":[[920.3,208.9],[955.5,208.9],[937.5,306.7],[937.5,355.6],[920.3,435.6],[956.3,435.6]],"negative_points":[[937.5,531.1],[937.5,111.1],[814.1,328.9],[987.5,326.7]],"evidence":"目标是右缘上下成对沙漏中的上方完整蓝色沙漏。边界框紧贴其上下宽端和中间内凹的连通轮廓；六个正点分布在上下宽端及细腰，负点位于下方沙漏、顶部截断图形、左侧圆形和右侧外部背景。"}},{"name":"Right left-pointing block","description":"A third medium left-pointing blue block replacing the right middle hourglass, to the right of the other two blocks.","membership":"Includes the filled block and its rounded outline, excluding the separate blocks alongside it and the circle below.","id":"obj_020","temporal":{"status":"found","start_s":1.0,"end_s":1.75,"reference_s":1.25,"evidence":"目标是画面中部三个并排的蓝色左指向实心块中最右侧的一个，由右侧中部沙漏替换而来，不包含旁边的块及下方圆形。首个合格帧为1.00秒，最后为1.50秒；此前0.75秒该位置仍为沙漏，之后1.75秒已替换成多个较小图形。选择1.25秒作为关键帧，此时目标轮廓完整、无遮挡，且与左侧两个块清楚分离。","start_frame":24,"end_frame":42,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[761.7,491.1,862.5,791.1],"positive_points":[[780.5,640],[816.4,540],[848.4,535.6],[851.6,637.8],[850.8,746.7],[810.9,744.4]],"negative_points":[[697.7,635.6],[812.5,917.8],[934.4,640],[882.8,595.6]],"evidence":"目标是中部横向排列的三个左指���色块中最右侧的一个，位于右侧沙漏左边、下方圆形上方。边界框紧贴该块的尖端、圆角和右侧直边；六个正点分布在块内各代表区域，负点位于左邻块、下方圆形、右侧沙漏及外部背景。"}},{"name":"Upper center-right chevron","description":"A large thick left-pointing blue chevron replacing the upper center-right hourglass, directly above the central left-pointing block.","membership":"Includes the filled bent shape following both its outside edge and its open right-hand notch; excludes the background within that notch.","id":"obj_021","temporal":{"status":"found","start_s":1.25,"end_s":2.0,"reference_s":1.5,"evidence":"目标是画面上部偏右、中央左指向实心块正上方的粗蓝色左向折角，右侧有开放缺口。首次完整出现于1.25秒，最后符合条件的帧为1.75秒；前一帧1.00秒该位置仍是沙漏形，后一帧2.00秒已被多个较小图形替换。选择1.50秒为关键帧，目标轮廓完整、无遮挡，且与下方实心块容易区分。","start_frame":30,"end_frame":48,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[519.5,173.3,605.5,473.3],"positive_points":[[585.9,206.7],[560.9,248.9],[535.2,315.6],[552.3,375.6],[569.5,426.7],[591.4,442.2]],"negative_points":[[437.5,322.2],[656.3,400],[562.5,100],[570.3,622.2]],"evidence":"目标是中央偏右、中央左向实心块正上方的蓝色粗左向折角。边界框紧贴其可见外缘；六个正点分布在上臂、左侧转折和下臂的蓝色填充内，未选右侧缺口。四个负点位于左、右圆形及上方沙漏、下方实心块等独立干扰物上。"}},{"name":"Right-center replacement circle","description":"A medium blue disk replacing the right-center left-pointing block, to the right of the central block.","membership":"Includes the filled disk and its circular boundary; excludes the preceding block and neighboring symbols.","id":"obj_022","temporal":{"status":"found","start_s":1.75,"end_s":3.0,"reference_s":2.0,"evidence":"目标是中央左指块右侧的中等蓝色圆盘，替换了同位置的左指块。首个合格帧为1.75秒，最后为2.75秒；前一帧1.50秒该位置仍是左指块，后一帧3.00秒圆盘已被多个小符号替代。选择2.00秒作关键帧，此时圆盘完整清晰，且左侧中央块仍在，便于区分定位。","start_frame":42,"end_frame":72,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[634.4,491.1,740.6,791.1],"positive_points":[[687.5,555.6],[661.7,600],[664.1,700],[712.5,693.3],[718.8,606.7],[687.5,751.1]],"negative_points":[[562.5,640],[687.5,322.2],[781.3,720],[687.5,937.8]],"evidence":"目标是中央大型左指块右侧、画面右中部的蓝色实心圆盘。边界框紧贴该圆盘的可见圆周；六个正点分布在圆盘内部各部位，四个负点分别位于左侧块及上方、右侧、下方的其他圆形上。"}},{"name":"Upper right-center replacement circle","description":"A medium blue disk formed where the compact circle group above the right-center replacement circle had been displayed.","membership":"Includes the single disk's fill and circular boundary, excluding the smaller circles it replaces and the disk below.","id":"obj_023","temporal":{"status":"found","start_s":2.0,"end_s":3.25,"reference_s":2.0,"evidence":"目标是画面右侧偏中央、位于下方替换圆盘正上方的中等蓝色圆盘，由原先的紧凑小圆组替换而来。首个符合帧为2.00秒，最后符合帧为3.00秒；此前1.75秒该位置仍是四个小圆，之后3.25秒已被多个小圆及沙漏形图案替换。选择2.00秒为关键帧，圆盘完整清晰，与下方圆盘及周围图案易于区分。","start_frame":48,"end_frame":78,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[635.2,173.3,740.6,473.3],"positive_points":[[660,254],[705,239],[729,317],[710,402],[667,409],[646,332]],"negative_points":[[688,640],[594,245],[781,402],[688,45]],"evidence":"目标是图像右侧偏中、位于另一蓝色大圆盘正上方的单个蓝色圆盘。边界框紧贴其完整圆周；六个正点分布于圆盘内部不同部位，负点位于下方圆盘及左、右、上方的独立圆形对象上，排除相邻图形。"}},{"name":"Right upper re-formed circle","description":"A medium blue disk reappearing above the right-hand block area after that upper area had contained smaller circles and hourglasses.","membership":"Includes this single filled circular shape and its boundary; excludes the preceding small-symbol arrangement and adjacent shapes.","id":"obj_024","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.25,"evidence":"目标是画面右上部、右侧符号块上方重新形成的中等蓝色实心圆。2.00秒该位置仍由小圆和沙漏组成，2.25秒首次显示完整圆盘，并持续至3.00秒；3.25秒已被小圆与沙漏组合替代。选择2.25秒作为关键帧，圆盘边界完整、无遮挡，且下方符号组合便于区分相邻圆形。","start_frame":54,"end_frame":78,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[754.7,8.9,808.6,160],"positive_points":[[780,36],[766,66],[796,68],[776,100],[788,132],[763,112]],"negative_points":[[827,124],[859,44],[811,265],[742,84]],"evidence":"目标为右侧区域上方、细小圆形和沙漏组合左边的中等蓝色实心圆。边界框紧贴该圆的可见外缘；六个正点分布在圆内不同部位，负点位于右侧小图形、下方相邻大圆及左侧背景，不包含其他实例。"}},{"name":"Right lower replacement circle","description":"A medium blue disk appearing directly below the right upper re-formed circle, replacing the smaller symbols in the former right block area.","membership":"Includes the disk's fill and circular boundary, excluding the upper disk and all surrounding symbols.","id":"obj_025","temporal":{"status":"found","start_s":2.5,"end_s":3.25,"reference_s":2.5,"evidence":"目标是画面右侧上方重新形成的蓝色圆盘正下方的中等蓝色圆盘，不包括上方圆盘。2.50秒首次完整出现，替代该处的小符号，持续至3.00秒。前一帧2.25秒该位置仍是多个小符号；后一帧3.25秒圆盘已被小型符号组合替代。选择2.50秒为关键帧，圆形边界完整清晰，与上方圆盘及周围符号分离。","start_frame":60,"end_frame":78,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[442.2,644.4,495.3,795.6],"positive_points":[[468.8,671.1],[454.7,688.9],[483.6,693.3],[452.3,737.8],[468.8,766.7],[484.4,742.2]],"negative_points":[[468.8,560],[406.3,720],[554.7,644.4],[502.3,804.4]],"evidence":"目标是图像中部偏左、右侧上下排列的两个中等蓝色圆盘中的下圆盘，位于左下圆盘右侧。边界框紧贴该圆盘的可见圆周；六个正点分布于其填充区域，负点位于上圆盘、左侧圆盘、右侧符号及外部背景，排除周围对象。"}},{"name":"Central block replacement circle","description":"A medium blue disk replacing the central left-pointing block, beneath a narrow arrangement of smaller hourglasses and chevrons.","membership":"Includes the single filled disk and its circular boundary; excludes the preceding block and the small symbols above.","id":"obj_026","temporal":{"status":"found","start_s":2.75,"end_s":3.25,"reference_s":2.75,"evidence":"目标是画面中央偏右、细窄的小沙漏与折角符号排列下方的中等蓝色圆盘，替代了原来的左指块。首个合格帧为2.75秒，最后为3.00秒；前一帧2.50秒该位置仍是左指块，后一帧3.25秒圆盘已被多个较小图形替代。选择2.75秒作为关键帧，圆盘边界完整清晰，且与上方小符号容易区分。","start_frame":66,"end_frame":78,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[509.4,488.9,615.6,791.1],"positive_points":[[559.4,528.9],[530.5,591.1],[593.8,595.6],[532.8,686.7],[566.4,735.6],[596.9,686.7]],"negative_points":[[578.1,426.7],[687.5,622.2],[468.8,717.8],[620.3,477.8]],"evidence":"目标是图像中央偏右、细窄沙漏与折角符号排列下方的蓝色实心圆盘。边界框紧贴该圆盘的完整圆周；六个正点分布在圆盘内部各部分，负点位于上方小符号、左右相邻圆盘及外部背景，均不属于目标。"}},{"name":"Re-formed upper center-right hourglass","description":"A medium blue hourglass appearing again in the upper center-right area after that location has shown a chevron and smaller symbols.","membership":"Includes this hourglass's filled silhouette and concave boundary; excludes earlier symbols in the same location and neighboring circles.","id":"obj_027","temporal":{"status":"found","start_s":3.25,"end_s":3.5,"reference_s":3.25,"evidence":"目标是画面上方偏右、此前曾显示左向折角及小符号组合的位置重新形成的中等蓝色沙漏。首个和最后一个符合条件的采样帧均为3.25秒，填充轮廓及两侧凹边完整。前一帧3.00秒该处仍是圆形与较小符号组合；后一帧3.50秒已被圆形、折角和较小沙漏等替代。选择3.25秒作为关键帧，目标完整清晰且易与邻近圆形区分。","start_frame":78,"end_frame":84,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[525,171,600,475],"positive_points":[[544,211],[579,215],[562,278],[562,333],[544,433],[582,433]],"negative_points":[[655,240],[484,282],[536,82],[531,562]],"evidence":"目标是图像上方中央偏右、上下宽而中间收窄的蓝色沙漏。边界框紧贴其完整填充轮廓；六个正点分布在上部、腰部和下部，四个负点位于相邻圆形及上方独立符号上，均不属于目标。"}},{"name":"Late large far-right chevron","description":"A prominent thick blue left-pointing chevron appearing in the lower-right portion of the composition, much larger than the surrounding small symbols.","membership":"Includes its solid blue arms and rounded edges, following the deep open notch on the right; excludes the background inside the notch.","id":"obj_028","temporal":{"status":"found","start_s":3.25,"end_s":4.5,"reference_s":3.5,"evidence":"目标是画面��下方显著大于周围符号的粗蓝色左指 V 形，具有圆角双臂和右侧深凹口。首次完整出现于 3.25 秒，最后符合条件的帧为 4.25 秒；前一帧 3.00 秒该区域仍是分散的小符号，后一帧 4.50 秒已被大型沙漏形替代。选择 3.50 秒作为关键帧，目标轮廓完整、无遮挡，且容易与周围小符号区分。","start_frame":78,"end_frame":108,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[894.5,491.1,980.5,791.1],"positive_points":[[960.2,520],[939.8,560],[921.1,611.1],[907.8,644.4],[928.9,708.9],[961.7,757.8]],"negative_points":[[907,400],[968.8,882.2],[859.4,720],[882.8,533.3]],"evidence":"目标是画面右下方显著大于周围符号的蓝色左向粗折角。边界框紧贴其上下两臂、左端及圆润外缘；六个正点分布在实心双臂和左侧转折处。负点位于上方小折角、下方及左侧圆形和左侧外部背景，未标记右侧凹口。"}},{"name":"Late far-right hourglass","description":"A blue hourglass above the late large far-right chevron. It subsequently enlarges and shifts inward to become the dominant hourglass on the right.","membership":"Includes the continuous filled hourglass silhouette throughout its change in size and position; follows its concave sides rather than including the surrounding rectangular area.","id":"obj_029","temporal":{"status":"found","start_s":3.75,"end_s":5.0,"reference_s":4.5,"evidence":"目标是右侧大型左向折角上方的蓝色沙漏，随后放大并向内侧移动，成为右侧最显著的沙漏。首个符合帧为3.75秒；此前3.50秒该区域仍由多个独立的小圆和小沙漏占据，尚无此完整大沙漏。最后符合帧为4.75秒，目标仍完整可见；区间到达视频结尾，无后续帧。选择4.50秒作为关键帧，此时轮廓大而清晰，凹侧边完整且无遮挡。","start_frame":90,"end_frame":120,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[801.6,182.2,948.4,780],"positive_points":[[832,244],[923,255],[873,395],[874,531],[830,711],[922,711]],"negative_points":[[875,78],[801,489],[961,489],[843,878]],"evidence":"目标是右侧占主导的大型蓝色沙漏，具有连续填充的上下宽端和内凹腰部。边界框紧贴其完整可见轮廓；六个正点分布于上下宽端及中央连接部分，负点位于两侧外部背景、上方独立蓝色形状和下方独立圆形上。"}},{"name":"Late enlarged left circle","description":"A large blue disk presented on the left in the closing view after that area has contained several smaller circles, balancing the enlarged hourglass on the right.","membership":"Includes the large disk's filled interior and circular boundary; excludes the smaller symbols to its right and the separate cropped shapes above and below.","id":"obj_030","temporal":{"status":"found","start_s":4.75,"end_s":5.0,"reference_s":4.75,"evidence":"目标是收尾画面左侧完整的大蓝色圆盘，与右侧放大的沙漏形相呼应，不包括上下被裁切的形状。首个及最后一个合格采样帧均为4.75秒；前一帧4.50秒该区域仍由多个较小圆形占据，尚无此大圆盘。目标持续至视频结束，之后没有采样帧。选择4.75秒为关键帧，因为圆盘边界完整、无遮挡且易于区分。","start_frame":114,"end_frame":120,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[19.5,182.2,230.5,782.2],"positive_points":[[121,249],[52,384],[193,380],[124,507],[67,653],[173,662]],"negative_points":[[125,78],[125,911],[281,208],[16,889]],"evidence":"目标是左侧与右侧大沙漏相对应的大蓝色圆盘。边界框紧贴圆盘的完整可见外缘；六个正点分布在圆盘上、中、下部的实心区域，四个负点分别位于上方裁切形状、下方独立形状、右侧小沙漏和左下方外部背景，均不属于目标。"}}]}
+{"video_id":289,"video_type":"icons and abstract motion graphics","targets":[{"name":"Scrolling piano-roll chart","description":"The dark musical visualization above the keyboard, with vertical pitch guides and descending rounded note bars. Its notes form pictures and game-like arrangements as the chart scrolls.","membership":"Includes the chart surface, guide lines, measure markings, and all note graphics within its display area, including separately identified picture subjects. Excludes the keyboard below its lower boundary and transient key-strike glows.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":2.5,"evidence":"目标是键盘上方完整的深色钢琴卷帘图表，包含竖向音高辅助线、小节标记和下落音符图形，不含下方键盘及击键光效。首个合格帧为0.00秒，最后合格帧为14.75秒；整个采样序列中图表表面和边界持续完整，内部图案变化不影响其身份。区间覆盖视频首尾，两端均无区间外采样帧。选择2.50秒作为关键帧，此时图表边界清楚，黄色图案和音符易于辨识，且无明显击键光效干扰。","start_frame":0,"end_frame":360,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[0,0,1000,778],"positive_points":[[71,152],[281,226],[389,598],[510,395],[702,159],[896,578]],"negative_points":[[89,952],[348,865],[605,951],[863,944]],"evidence":"目标是键盘上方的深色钢琴卷帘显示区，可见竖向音高参考线和黄色、橙色圆角音符条。边界框覆盖整个上方图表，止于键盘上沿；正点分布在图表背景及音符图形上，负点均位于下方被排除的键盘区域。"}},{"name":"Piano keyboard","description":"The full-width horizontal keyboard along the bottom, with white keys, shorter black keys, faint octave labels, and changing colored key states.","membership":"Includes all key surfaces, outlines, labels, and colored key states within the keyboard strip. Excludes descending bars above the keyboard and the bright strike effects along its upper edge.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":15,"reference_s":5.5,"evidence":"目标是底部贯穿画面宽度的钢琴键盘，包含白键、较短的黑键、淡色八度标签及变化的按键颜色，不含上方下落音符和击键光效。首个合格帧为0秒，最后为14.75秒；整个采样序列中键盘结构始终完整，未发生退场。区间覆盖视频首尾，两端均无额外相邻帧。选择5.5秒作为关键帧，此时键盘完整清晰，没有明显击键光效遮挡。","start_frame":0,"end_frame":360,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[0,780.6,1000,1000],"positive_points":[[47,959],[213,850],[333,950],[536,851],[719,958],[919,847]],"negative_points":[[317,141],[894,521],[150,650],[570,690]],"evidence":"目标是图像底部横贯全宽的钢琴键盘。边界框覆盖白键、黑键、键缘及淡色八度标签，不含上方下落音符条和顶部亮色击键线。正点分散在键盘各段的黑白键面，负点位于上方音符条及深色背景。"}},{"name":"White face graphic","description":"The initially centered, dome-topped white face assembled from vertical note bars, with two broad black eyes and a small yellow-orange mouth.","membership":"Includes the white silhouette and its black and orange facial features. Follows the stepped outer contour and excludes the detached peach-colored note arrangements on either side, the keyboard, and strike effects.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是居中的白色阶梯状圆顶脸，由竖直音符条构成，带两只宽黑眼和黄色橙色小嘴，不包括两侧桃色音符。首个及最后一个合格帧均为0.00秒，脸部及五官清晰完整，因此选作关键帧。紧邻的0.25秒帧中，脸部下缘和嘴部已开始被键盘上方的遮罩截去，后续继续消失。区间到达视频起点，没有更早的采样帧。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[345.3,362.5,654.7,772.2],"positive_points":[[490.6,411.1],[361.7,694.4],[635.2,673.6],[431.3,548.6],[561.7,545.8],[501.6,687.5]],"negative_points":[[195.3,686.1],[796.9,734.7],[496.9,948.6],[685.9,500]],"evidence":"目标是中央由竖直音符条组成的阶梯状圆顶白脸，带两只宽黑眼和黄橙色嘴。边界框紧贴白脸的可见外轮廓，覆盖其五官但不含下方键盘。正点分布在顶部、两侧白色区域及双眼和嘴上；负点位于左右独立桃色音符、下方键盘和右侧外部深色背景。"}},{"name":"Pac-Man graphic","description":"The large yellow circular character entering on the left, with a wedge-shaped mouth opening toward the orange notes to its right.","membership":"Includes the yellow note bars forming the character, following its rounded stepped exterior and the concave edges of its open mouth. Excludes the mouth opening, detached orange notes, keyboard, and strike glows.","id":"obj_004","temporal":{"status":"found","start_s":2.5,"end_s":3.0,"reference_s":2.5,"evidence":"目标为左侧黄色音符条组成、阶梯状圆形外缘且朝右张开楔形嘴的吃豆人，不包含右侧橙色音符。2.25秒顶部仍被画面边缘裁切；2.50秒首次完整呈现；2.75秒完整轮廓仍在键盘遮罩上方；3.00秒下缘开始被键盘上沿遮罩截去。故完整呈现区间为[2.50,3.00)，末个合格4 fps采样帧为2.75秒。关键帧2.50秒的轮廓和嘴部边缘清晰，无遮挡。","start_frame":60,"end_frame":72,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[114.8,68.1,481.3,723.6],"positive_points":[[298.4,138.9],[429.7,236.1],[125.8,390.3],[180.5,477.8],[296.9,659.7],[432,543.1]],"negative_points":[[507.8,395.8],[703.1,388.9],[312.5,944.4],[78.1,597.2]],"evidence":"目标是左侧由黄色音符条组成、朝右张开楔形嘴的吃豆人。边界框紧贴其阶梯状圆形外缘，覆盖上下颚及左侧身体。六个正点分布在这些黄色条上；负点位于右侧独立橙色音符、下方键盘及左侧外部背景，未放在嘴部空隙内。"}},{"name":"Pink ghost graphic","description":"The pink arcade ghost descending on the left after the yellow character, with a rounded top, scalloped lower edge, and two white eyes with black pupils.","membership":"Includes the entire pink silhouette and both eyes and pupils. Follows the stepped rounded top and scalloped bottom rather than filling a bounding rectangle. Excludes detached orange notes, the keyboard, and subsequent white game graphics.","id":"obj_005","temporal":{"status":"found","start_s":10.5,"end_s":11.25,"reference_s":10.75,"evidence":"目标是左侧下降的粉色街机幽灵，具有阶梯状圆顶、波浪形下缘及两只白眼黑瞳。首个完整呈现帧为10.50秒，最后合格帧为11.00秒；此前10.25秒顶部仍被画面上边界裁切，此后11.25秒下缘开始被键盘区域遮罩移除。选择10.75秒作为关键帧，因整个轮廓及双眼清晰完整，且与键盘和其他音符分离。","start_frame":252,"end_frame":270,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[134.4,75,481.3,677.8],"positive_points":[[304,121],[279,356],[414,355],[146,527],[332,619],[470,613]],"negative_points":[[300,34],[98,371],[550,380],[306,728]],"evidence":"目标是画面左侧由粉色竖条组成的街机幽灵，具有阶梯状圆顶、波浪状下缘及两只白眼黑瞳。边界框紧贴整个幽灵的可见范围；正点分布在顶部、双眼和左右及下部粉色躯体，负点位于幽灵上、左、右及下方的外部深色背景，未将键盘纳入目标。"}},{"name":"Left Pong paddle","description":"The tall, narrow white bar near the far left of the piano roll in the emerging Pong-style scene.","membership":"Includes only the solid rounded white paddle shape throughout its descent. Excludes nearby notes, the chart background, keyboard, and strike glow.","id":"obj_006","temporal":{"status":"found","start_s":11.75,"end_s":14.0,"reference_s":13.25,"evidence":"目标是钢琴卷帘最左侧独立的细长白色圆角 Pong 球拍。首个完整帧为11.75秒，最后完整帧为13.75秒；此前11.50秒球拍上端仍被画面顶部裁切，此后14.00秒下端已进入键盘击键线并被遮去。选择13.25秒作为关键帧，球拍轮廓完整、无遮挡，且与附近音符清晰分离。","start_frame":282,"end_frame":336,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[38.3,459.7,57.8,627.8],"positive_points":[[44.5,477.8],[50.8,505.6],[43.8,533.3],[51.6,562.5],[44.5,593.1],[50,613.9]],"negative_points":[[19.5,527.8],[78.1,513.9],[46.9,416.7],[50,680.6]],"evidence":"目标是钢琴卷帘最左侧、键盘上方的竖直白色圆角球拍。边界框紧贴其完整可见轮廓；六个正点沿白色实体从上到下分布，四个负点位于球拍外侧的深色背景，不包含键盘或其他音符。"}},{"name":"Pong center divider","description":"The vertical column of short white dashes near the middle of the Pong-style scene.","membership":"Includes the aligned white dashes making up the divider. The gaps between dashes remain excluded, as do the scores, paddles, ball, and keyboard.","id":"obj_007","temporal":{"status":"found","start_s":13.5,"end_s":14.0,"reference_s":13.5,"evidence":"目标是 Pong 场景中央由短白色横 dash 纵向排列形成的分隔线，不含比分、球拍和键盘。首个完整呈现帧为 13.50 秒，最后合格帧为 13.75 秒；此前 13.25 秒顶端仍被画面上边界裁切，之后 14.00 秒底端开始被键盘区域遮罩移除。选择 13.50 秒作为关键帧，因为整列白色短线完整清晰，且与周围对象容易区分。","start_frame":324,"end_frame":336,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[480.5,68.1,500,765.3],"positive_points":[[490,77.8],[490,205.6],[490,331.9],[490,458.3],[490,627.8],[490,754.2]],"negative_points":[[445,292],[536,597],[586,258],[779,512]],"evidence":"目标是画面中央由短白色横条排列成的竖直分隔线。边界框紧贴整列白色短条的可见范围；六个正点分布在上、中、下部短条上，负点位于两侧外部背景、右侧比分笔画及球上，不标记短条之间的间隙。"}},{"name":"Pong ball","description":"The small white rounded square on the right half of the Pong-style scene, between the center divider and right paddle.","membership":"Includes only the small white ball shape. Excludes surrounding chart space, other white graphics, keyboard, and strike effects.","id":"obj_008","temporal":{"status":"found","start_s":12.0,"end_s":14.5,"reference_s":13.25,"evidence":"目标是 Pong 场景中位于中央虚线与右侧球拍之间的小白色圆角方块。首个完整可见帧为 12.00 秒，最后 qualifying 帧为 14.25 秒；此前 11.75 秒球体仍被画面上边界裁切，之后 14.50 秒已在键盘击键线处消失。选择 13.25 秒作为关键帧，此时球体完整、无遮挡，且与比分、虚线和球拍清楚分离。","start_frame":288,"end_frame":348,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[768.75,416.67,788.28,458.33],"positive_points":[[773.44,425],[782.81,425],[772.66,437.5],[783.59,437.5],[775,450],[781.25,450]],"negative_points":[[752.34,437.5],[804.69,437.5],[778.13,386.11],[951.56,331.94]],"evidence":"目标是中央虚线与右侧球拍之间的白色圆角小方块。边界框紧贴球的可见轮廓；六个正点分布在球体内部的上、中、下部，负点位于球外背景及右侧球拍上，排除其他图形。"}},{"name":"Right Pong paddle","description":"The tall, narrow white bar near the far right of the Pong-style scene, positioned higher than the left paddle when both are visible.","membership":"Includes only the solid rounded white paddle shape throughout its descent. Excludes the nearby ball, chart background, keyboard, and strike glow.","id":"obj_009","temporal":{"status":"found","start_s":12.5,"end_s":14.5,"reference_s":13.5,"evidence":"目标是 Pong 场景最右侧的细长白色圆角球拍，高于左侧球拍，不包含附近小球或击键光晕。12.50 秒首次完整进入画面，前一帧 12.25 秒仍被顶部边界裁切；14.25 秒为最后完整帧，14.50 秒底端开始进入键盘遮罩并被截去。选择 13.50 秒作为关键帧，球拍完整清晰，与小球及其他白色图形分离。","start_frame":300,"end_frame":348,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[941.4,320.8,961.7,490.3],"positive_points":[[950,334],[954,360],[948,389],[955,419],[949,449],[953,477]],"negative_points":[[916,386],[977,424],[952,560],[778,512]],"evidence":"目标是画面最右侧、位置高于左球拍的白色圆角竖条。边界框紧贴该球拍的完整可见轮廓，六个正点分布在白色实体的上中下部；负点位于球拍外侧及下方背景和左下方独立的小球上，排除了小球、背景与键盘。"}},{"name":"Left score “2”","description":"The large white numeral “2” assembled from note blocks to the left of the dashed center divider.","membership":"Includes the blocks and bars forming the numeral only. Excludes its surrounding background, the center divider, paddles, keyboard, and other score.","id":"obj_010","temporal":{"status":"found","start_s":13.25,"end_s":15.0,"reference_s":13.5,"evidence":"目标是虚线中线左侧、由白色音符块组成的大号数字“2”。首个完整呈现帧为13.25秒；前一帧13.00秒的数字顶部仍被画面上边界裁切。最后一个合格帧为14.75秒，数字底横仍完整可见，尚未被键盘遮去；区间延续至视频结束，无后续采样帧。选择13.50秒作为关键帧，数字轮廓完整清晰，与中线及右侧分数容易区分。","start_frame":318,"end_frame":360,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[249.2,111.1,365.6,406.9],"positive_points":[[259,174],[298,130],[355,179],[317,258],[278,343],[354,386]],"negative_points":[[220,270],[390,270],[490,330],[585,250]],"evidence":"目标是中央虚线左侧由白色音符块组成的大号数字“2”。边界框紧贴其顶部弧形、斜向笔画及底部横排方块；六个正点分布在这些笔画上。负点位于数字外侧背景、中央虚线及右侧数字“0”上，不涉及数字内部空隙。"}},{"name":"Right score “0”","description":"The large white numeral “0” assembled from note blocks to the right of the dashed center divider.","membership":"Includes the white strokes forming the numeral. As a text subject, it excludes the dark counter and surrounding background, as well as the divider, ball, paddle, keyboard, and other score.","id":"obj_011","temporal":{"status":"found","start_s":13.25,"end_s":15.0,"reference_s":13.5,"evidence":"目标是虚线中线右侧由白色音符块组成的大号“0”。首个完整呈现帧为13.25秒，前一帧13.00秒的顶部笔画仍被画面上边界裁切；此后完整向下移动，最后合格帧为14.75秒，底部笔画仍在键盘上方。区间延续至视频结束，无后续采样帧。选择13.50秒作为关键帧，数字轮廓完整清晰，与中线、球和球拍容易区分。","start_frame":318,"end_frame":360,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[575.8,111.1,692.2,406.9],"positive_points":[[605.5,131.9],[662.5,131.9],[585.9,219.4],[585.9,329.2],[682.8,251.4],[634.4,386.1]],"negative_points":[[490.6,247.2],[778.1,512.5],[316.4,258.3],[738.3,180.6]],"evidence":"目标是中央虚线右侧由白色音符块组成的大号“0”。边界框紧贴其顶部、底部及左右白色笔画；六个正点分布在这些笔画上。负点位于中央虚线、球、左侧数字及右侧外部背景，未标记“0”的内部空腔。"}}]}
+{"video_id":290,"video_type":"icons and abstract motion graphics","targets":[{"name":"“PARALLEL PUTS YOU IN CONTROL” animated text","description":"Central three-line uppercase slogan reading “PARALLEL / PUTS YOU / IN CONTROL.” Rounded, overlapping outline letters change from white to pink and lavender, shift spacing, thicken, and progressively dissolve.","membership":"Includes all letter strokes and overlapping typographic layers across the three lines, following their changing shapes and positions as they dissolve. Excludes the purple background and the orange and purple decorative curves and capsule outlines behind the text.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":6.25,"reference_s":0,"evidence":"目标是中央三行“PARALLEL / PUTS YOU / IN CONTROL”及其重叠字形层，不含背景装饰。0.00秒文字已完整建立，之前无采样帧；至6.00秒仍保留完整字形，期间的变色、间距调整和笔画增厚均属完整文字的变化。6.25秒开始出现笔画消退和断开，故最后纳入帧为6.00秒。选择0.00秒作为关键帧，白色轮廓完整清晰，与背景对比强。","start_frame":0,"end_frame":150,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[112.5,204.2,896.1,790.3],"positive_points":[[177.3,250],[771.9,209.7],[174.2,506.9],[821.9,486.1],[114.1,680.6],[871.1,784.7]],"negative_points":[[62.5,194.4],[914.1,416.7],[187.5,861.1],[859.4,125]],"evidence":"目标为中央三行白色重叠轮廓大写文字“PARALLEL / PUTS YOU / IN CONTROL”。边界框紧贴全部字母及其重叠描边的可见范围；六个正点分布在三行左右两侧的字母笔画上，四个负点位于文字块外围的紫色背景，未将装饰曲线纳入目标。"}}]}
+{"video_id":291,"video_type":"icons and abstract motion graphics","targets":[{"name":"Animated timeline board","description":"A large white, rounded rectangular board containing a faint header and a timeline of colored horizontal bars. Initially three staggered bars have contrasting circular markers; the bars subsequently resize, rearrange, branch, scroll, and change color.","membership":"Includes the board’s rounded boundary, white surface, header, faint timeline guides, and all displayed bars, segments, and circular markers. The separately listed playhead and completion badge also lie within this container. Excludes the surrounding colored background, exterior decorations, and transient emphasis glows.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":0,"evidence":"目标是带淡色页眉、时间线引导线和彩色条段及圆形标记的大型白色圆角面板。首个采样帧0.00秒中面板边界和表面已完整建立；至最后采样帧7.75秒仍完整可见。期间条段重排、分支、滚动及变色均为容器内部变化，面板未退出或消失。区间覆盖视频首尾，两端均无额外采样帧可检查。选择0.00秒作为关键帧，面板轮廓清晰、无遮挡，三条错列色条易于辨认。","start_frame":0,"end_frame":192,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[89.1,90.3,909.4,902.8],"positive_points":[[270,175],[840,250],[346,462],[497,539],[653,615],[385,825]],"negative_points":[[45,470],[956,370],[500,40],[570,962]],"evidence":"目标是中央带圆角的大型白色时间线面板，内有浅色页眉、竖向参考线及三条错落排列的彩色条和圆形标记。边界框紧贴整个面板外缘；正点分布在页眉、白色表面和彩色时间条上，负点均位于面板外的蓝青色背景。"}},{"name":"Mint timeline playhead","description":"A thin mint vertical line topped by a filled, downward-pointing tab. It begins near the board’s left side and advances toward the center as the colored timeline content moves and changes.","membership":"Includes the filled top tab and its attached vertical line down to the board’s lower edge. Excludes the underlying board and bars, as well as any nearby completion badge or glow.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":8,"reference_s":0.5,"evidence":"目标是白色时间轴面板内的薄荷绿竖线及其顶部实心向下标签，竖线一直延伸至面板下边缘，随时间从左侧向中央移动。首个合格帧为0.00秒，末个为7.75秒，所有采样帧中结构均完整可见，未发生淡出或离场裁切。区间覆盖视频首尾，两端均无额外相邻帧。选择0.50秒作为关键帧，此时标签和竖线清晰，且未与彩色条块或完成徽章重叠。","start_frame":0,"end_frame":192,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[176.6,233.3,210.2,901.4],"positive_points":[[186.7,251.4],[201.6,272.2],[193.1,348.6],[193.1,506.9],[193.1,690.3],[193.1,881.9]],"negative_points":[[162.5,444.4],[225,262.5],[315.6,459.7],[60.2,638.9]],"evidence":"目标是画板左侧的薄荷色播放头，由实心向下标签和连接至画板下边缘的细竖线组成。边界框紧贴标签及整条竖线，不含周围光晕。正点分布在标签内部和竖线不同高度；负点位于旁侧白色画板、粉色时间条及画板外紫色背景。"}},{"name":"Completion check badge","description":"A white circular badge with a mint check mark, appearing at the right end of the final turquoise bar beside the playhead near the end of the animation.","membership":"Includes the circular badge’s boundary, enclosed white surface, and mint check mark. Excludes the turquoise bar, vertical playhead, and expanding translucent emphasis halo.","id":"obj_003","temporal":{"status":"found","start_s":7.25,"end_s":8.0,"reference_s":7.25,"evidence":"目标位于最终青绿色横条右端、播放头旁，是内含薄荷色勾号的白色圆形徽章。7.00秒仅见白圆，勾号尚未完整呈现；7.25秒首次完整显示，至最后采样帧7.75秒仍持续存在。后续扩大的半透明光环不属于目标，也不影响其完整性。区间延伸至视频结束，之后无采样帧。选择7.25秒作为关键帧，因为圆形边界和勾号清晰，且光环干扰最少。","start_frame":174,"end_frame":192,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[488.3,570.8,515.6,619.4],"positive_points":[[495.3,580.6],[507,580.6],[493,597.2],[499.2,606.9],[508.6,601.4],[501.6,594.4]],"negative_points":[[462.5,594.4],[523.4,527.8],[546.9,625],[203.1,594.4]],"evidence":"目标位于最后一条青绿色横条右端、竖直播放线左侧，是带薄荷色对勾的白色圆形徽章。边界框紧贴圆形徽章，包含白色表面及对勾，不含外围光晕。正点分布于徽章白色区域和对勾上；负点位于横条、播放线、右侧背景及左侧蓝色圆点上。"}}]}
+{"video_id":292,"video_type":"icons and abstract motion graphics","targets":[{"name":"Email panel","description":"The white, blue-topped panel initially at the upper left, labeled \"Email\". It expands into an inbox interface with a left navigation column and blue message rows.","membership":"Includes the complete panel surface, rounded boundary, header, navigation icons, labels, and message rows. Excludes the independently floating circular envelope badge and overlapping message cards.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":6,"reference_s":1.5,"evidence":"目标是左上方蓝色顶栏、白色圆角表面的 Email 面板，不含独立圆形信封徽章及叠加消息卡。0.00 秒时面板自身边界与表面已完整建立，随后放大、填充内容并扩展为带左侧导航的收件箱；后期虽被其他卡片遮挡，仍持续可见至最后采样帧 5.75 秒。区间到达视频首尾，均无边界外采样帧。选择 1.50 秒作为关键帧，此时面板轮廓和标签清楚，尚无消息卡遮挡。","start_frame":0,"end_frame":144,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[143.8,155.6,332.0,490.3],"positive_points":[[178.1,173.6],[174.2,225.0],[175.0,309.7],[293.0,387.5],[191.4,438.9],[310.2,466.7]],"negative_points":[[318.8,154.2],[112.5,370.8],[822.7,416.7],[304.7,766.7]],"evidence":"目标是左上方标有“Email”的蓝顶白色面板。边界框紧贴面板的完整可见范围，不包含右上方独立悬浮的圆形信封徽章。正点分布于蓝色顶栏、标题、正文行、按钮及底部面板表面；负点位于信封徽章、面板外背景和其他面板上。"}},{"name":"Circular email badge","description":"A blue outlined envelope inside a white circular badge, initially overlapping the upper-right corner of the small Email panel.","membership":"Includes the white circular surface and enclosed envelope graphic. Excludes the underlying Email panel and the surrounding shadow.","id":"obj_002","temporal":{"status":"found","start_s":0.0,"end_s":2.25,"reference_s":1.0,"evidence":"目标是小型 Email 面板右上角的白色圆形徽章，内部为蓝色描边信封，不包含面板和阴影。首个合格帧为0.00秒，圆面和信封已完整呈现，虽有旋转仍符合要求；视频起点之前无采样帧。最后合格帧为2.00秒，2.25秒时徽章已明显淡出。选择1.00秒作为关键帧，因为徽章轮廓清楚、无遮挡，容易与下方面板区分。","start_frame":0,"end_frame":54,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[269.5,68.1,364.8,237.5],"positive_points":[[318,97],[316,213],[283,153],[351,151],[295,128],[330,176]],"negative_points":[[234,219],[391,146],[313,294],[320,25]],"evidence":"目标是左上方 Email 面板右上角的白色圆形徽章，内部有蓝色信封轮廓。边界框紧贴圆形表面，不包含外围阴影或下方的 Email 面板。正点分布在白色圆面及信封图案上；负点位于底层面板和远离徽章的外部背景。"}},{"name":"Circular spreadsheet badge","description":"A green outlined sheet with a folded corner and cell grid, presented inside a white circle on the right.","membership":"Includes the circular white surface and enclosed green sheet symbol. Excludes the spreadsheet panel behind it and the surrounding shadow.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1.5,"evidence":"目标是画面右侧白色圆面内的绿色折角表格图标，不含后方表格面板及阴影。首帧0.00秒已完整呈现，虽有倾斜但结构齐全；最后合格帧为3.00秒，3.25秒圆章已开始淡出。区间起于视频开头，没有更早采样帧。选择1.50秒为关键帧，此时圆章清晰、无遮挡，易与后方面板区分。","start_frame":0,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[674.2,294.4,769.5,463.9],"positive_points":[[700,333.3],[740.6,331.9],[687.5,384.7],[744.5,415.3],[713.3,441.7],[721.1,383.3]],"negative_points":[[817.2,419.4],[724.2,505.6],[643,370.8],[724.2,250]],"evidence":"目标是右侧电子表格面板前方的白色圆形徽章，内部为绿色折角表格图标。边界框紧贴白色圆面，不含外围阴影及后方面板。正点分布于圆面各部和绿色图标上；负点位于后方面板及圆外背景。"}},{"name":"Spreadsheets panel","description":"The green-topped white panel on the right labeled \"Spreadsheets\", containing pale grid rows and green cells. It later enlarges toward the center-right and displays a formula warning.","membership":"Includes the panel boundary, surface, title, toolbar, grid, and cell contents. Excludes its floating circular badge and independently overlaid dialogs. The separately identified formula warning remains a child of this panel.","id":"obj_004","temporal":{"status":"found","start_s":0.25,"end_s":6.0,"reference_s":1.5,"evidence":"目标是右侧绿色顶栏、标有“Spreadsheets”并含浅色网格和绿色单元格的白色面板，不含浮动圆形徽章。0.25秒时面板表面与边界已完整建立，随后缩放、扩展并出现公式警告，持续至最后采样帧5.75秒。前一帧0秒仅见徽章旁尚未展开的面板痕迹；视频末尾之后无采样帧。选择1.5秒作为关键帧，此时面板清晰，未被后来的独立弹窗遮挡。","start_frame":6,"end_frame":144,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[701,354,887,685],"positive_points":[[837,372],[825,417],[776,481],[839,561],[748,601],[833,656]],"negative_points":[[720,377],[920,539],[652,590],[405,764]],"evidence":"目标是右侧标有“Spreadsheets”的绿顶白色面板。边界框覆盖面板外缘、标题、浅蓝工具栏及下方网格和绿色单元格，不包含左上方悬浮圆形徽章。正点分布于面板各主要区域；负点位于徽章、面板外背景及下方的 Shared Drive 面板。"}},{"name":"Main Shared Drive card","description":"The broad white card near the lower center labeled \"Shared Drive\", with a gray header strip and two folder rows as it finishes appearing.","membership":"Includes the complete card surface, rounded boundary, gray header, label, folder symbols, and row lines. Excludes its floating circular drive badge and the email cards that later cover it.","id":"obj_005","temporal":{"status":"found","start_s":0.25,"end_s":4.0,"reference_s":1.5,"evidence":"目标是下方中央带灰色顶栏、Shared Drive 标签和文件夹行的宽白色圆角卡片，不包括圆形云盘徽章。0.25 秒卡片表面与完整边界已建立；此前 0 秒仍处于初始展开。随后卡片逐渐被邮件及权限面板遮挡，最后可辨认的卡片边缘出现在 3.75 秒，4.00 秒已被前景面板完全遮住。选择 1.50 秒作为关键帧，此时卡片清晰，标签和两行文件夹均可见，尚未被邮件卡片覆盖。","start_frame":6,"end_frame":96,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[247.7,698.6,551.6,940.3],"positive_points":[[344,718],[305,765],[278,824],[453,824],[278,901],[518,921]],"negative_points":[[555,700],[232,338],[216,812],[411,972]],"evidence":"目标是画面下方中央标有“Shared Drive”的宽白色卡片。框覆盖可见卡面、圆角边界、灰色顶栏、标题及两行文件夹和横线，不包含右上方悬浮的圆形云盘徽章。正点分布于顶栏、标题、文件夹、行线和卡面；负点位于云盘徽章、左上邮件卡以及主卡左侧和下方背景。"}},{"name":"Circular drive badge","description":"A gray outlined triangular drive symbol enclosed by a white circular badge above the right side of the main Shared Drive card.","membership":"Includes the white circular surface and enclosed triangular symbol. Excludes the Shared Drive card beneath it and the surrounding shadow.","id":"obj_006","temporal":{"status":"found","start_s":0.0,"end_s":2.25,"reference_s":1.25,"evidence":"目标是主 Shared Drive 卡片右上方的白色圆形徽章，内含灰色描边的三角形云盘符号，不包括下方卡片及阴影。首个合格帧为 0.00 秒，圆面与符号已完整呈现；最后合格帧为 2.00 秒。紧接的 2.25 秒帧中徽章开始淡出，并与新出现的邮件面板重叠。视频起点之前没有采样帧。选择 1.25 秒作为关键帧，因为徽章轮廓清晰、无遮挡，易与下方卡片区分。","start_frame":0,"end_frame":54,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[506,615,603,788],"positive_points":[[555,639],[520,682],[545,706],[585,701],[565,758],[534,743]],"negative_points":[[484,847],[625,680],[551,569],[480,654]],"evidence":"目标位于主 Shared Drive 卡片右上方，是内含灰色三角形云盘符号的白色圆形徽章。边界框紧贴圆形表面，不包含周围阴影或下方卡片。正点分布在白色圆面及内部符号上；负点位于徽章外背景和下方卡片上。"}},{"name":"Upper floating message card","description":"The horizontal white message card that appears beside the expanded inbox, with a blue avatar at its upper left, a large pale-blue body, and a green attachment-count badge near its lower right.","membership":"Includes the card boundary, white surface, avatar, body area, placeholder lines, and attachment indicator. Excludes the inbox behind it and other overlapping cards.","id":"obj_007","temporal":{"status":"found","start_s":2.5,"end_s":6.0,"reference_s":3.0,"evidence":"目标是展开收件箱右侧上方的横向白色消息卡，左上有蓝色头像，内部为浅蓝正文区，右下有绿色附件计数标记。2.25秒仍处于淡入，2.5秒卡片结构完整建立；最后合格帧为5.75秒，虽被后来的窗口部分遮挡，仍可确认持续存在。区间到达视频末尾，没有后续采样帧。选择3.0秒作为关键帧，此时卡片边界清晰、遮挡少，易与其他消息卡区分。","start_frame":60,"end_frame":144,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[289,110,513,391],"positive_points":[[314,154],[428,148],[415,247],[489,287],[468,336],[412,379]],"negative_points":[[242,167],[266,306],[535,444],[566,236]],"evidence":"目标是收件箱右上方的横向白色悬浮消息卡，左上有蓝色头像，浅蓝正文右下有绿色附件计数标记。边界框覆盖卡片的可见外缘；正点分布在头像、白色表面、正文和附件标记上，负点位于后方收件箱、前景邮件卡、下方其他卡片及右侧背景，排除遮挡与相邻对象。"}},{"name":"Rear center-right email card","description":"The rear email card appearing above the original Shared Drive card, with a green-accented sender and a green attachment-count badge. Its lower and right edges remain visible behind the later blue-accented email card.","membership":"Includes this individual card's surface, boundary, heading, sender, message body, and attachment indicator. Excludes the separate blue-accented card in front and the Shared Drive card behind.","id":"obj_008","temporal":{"status":"found","start_s":2.75,"end_s":6.0,"reference_s":3.0,"evidence":"目标是原 Shared Drive 上方、带绿色发件人和绿色附件计数徽章的后层邮件卡，不是前方蓝色邮件卡。2.50 秒仍处于淡入阶段，2.75 秒卡片表面及边界已完整建立；随后下缘、右缘和绿色徽章可在前层卡片后辨认。最后合格帧为 5.75 秒，卡片被后续窗口大幅遮挡，但未见退出或消失。区间延伸至视频末尾，没有之后的采样帧。选择 3.00 秒作关键帧，后层边界及绿色徽章较容易与前层卡片区分。","start_frame":66,"end_frame":144,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[474,436,632,866],"positive_points":[[614,477],[622,589],[622,783],[601,846],[508,845],[574,813]],"negative_points":[[529,609],[408,785],[508,905],[660,758]],"evidence":"目标是中央偏右、蓝色邮件卡后方露出的邮件卡，底部可见绿色附件数量标记。框紧贴其可见的右侧及下沿，不推测被遮挡部分。正点覆盖右侧卡面、底部卡面和绿色标记；负点位于前方蓝色邮件卡、最前方邮件卡、后方 Shared Drive 卡及外部背景。"}},{"name":"Center-right email with two attachments","description":"A white \"Email\" card in the middle of the growing stack, distinguished by two large blue rectangular attachments and a blue attachment badge marked \"6\" near its lower right.","membership":"Includes the card's full boundary and surface, heading, avatar, message lines, two attachment tiles, and attachment indicator. Excludes the separate cards overlapping or underlying it.","id":"obj_009","temporal":{"status":"found","start_s":3.0,"end_s":6.0,"reference_s":3.0,"evidence":"目标是堆叠中偏右的白色 Email 卡片，内有两个蓝色附件矩形，右下为蓝色“6”附件标记，与后方绿色标记卡片不同。2.75 秒仍在初始淡入，3.00 秒卡片边界和表面已完整建立；随后被新增面板逐步遮挡，但未见退出或移除，最后采样帧为 5.75 秒。区间延至视频结尾，之后无采样帧。选择 3.00 秒作为关键帧，此时目标及附件标记较清楚，后续遮挡更多。","start_frame":72,"end_frame":144,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[353,417,603,812],"positive_points":[[412,475],[532,445],[553,564],[507,711],[550,758],[587,794]],"negative_points":[[348,541],[557,838],[810,528],[646,650]],"evidence":"目标是中央偏右、右下带蓝色“6”附件标记的 Email 卡片，两个蓝色附件块部分被前景卡片遮挡。框覆盖其可见范围；正点分布在标题、卡面、附件块及标记上，负点位于前景重叠卡、下层卡、右侧表格和外部背景。"}},{"name":"Upper-left text email card","description":"A white card labeled \"Email\" that settles below the inbox header and left of the upper floating message card. It has a blue sender avatar and several white text lines in a pale-blue body.","membership":"Includes this card's rounded boundary, surface, heading, sender avatar, and message body. Excludes the inbox, the cards behind it, and the attachment-list email overlapping its lower-right portion.","id":"obj_010","temporal":{"status":"found","start_s":3.0,"end_s":6.0,"reference_s":3.0,"evidence":"目标是收件箱标题下方、上方浮动消息卡左侧的白色“Email”卡，内有蓝色头像及浅蓝消息区，不含右下方叠压的附件卡。2.75秒仍在淡入，3.0秒边界和表面已完整建立，为首个合格帧。此后虽被附件卡及Drive窗口部分遮挡，仍是同一卡片，最后合格帧为5.75秒；区间延至视频末尾6.0秒，之后无采样帧。选择3.0秒作为关键帧，因为卡片轮廓及内容清楚，遮挡较少。","start_frame":72,"end_frame":144,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[88,249,355,641],"positive_points":[[102,278],[174,305],[129,392],[299,424],[163,466],[157,571]],"negative_points":[[58,202],[411,262],[332,635],[548,482]],"evidence":"目标是收件箱标题下方、上方浮动消息卡左下侧的白色“Email”卡片。框覆盖其圆角外缘及可见表面，右下部分被附件列表卡遮挡。正点分布在标题区、蓝色头像和浅蓝正文的不同位置；负点位于收件箱、上方消息卡、右下遮挡卡及后方邮件卡上。"}},{"name":"Foreground attachment-list email","description":"The prominent lower-middle \"Email\" card with a blue avatar and three vertically arranged attachments: one PDF symbol and two image symbols. Its lower-right attachment badge reads \"10\".","membership":"Includes the complete card surface and boundary, heading, sender, message lines, file symbols, and attachment-count indicator. Excludes the Access Files dialog and other panels subsequently placed over it.","id":"obj_011","temporal":{"status":"found","start_s":3.25,"end_s":6.0,"reference_s":3.25,"evidence":"目标是前景下方偏中的 Email 卡片，含蓝色头像、纵向排列的一个 PDF 图标和两个图片图标，以及右下角“10”徽标。3.00 秒仍处于淡入阶段，可透见后方卡片；3.25 秒完整卡面和内容已清晰建立，为首个合格帧。此后虽被 Access Files 等面板遮挡，仍可追踪同一卡片，最后合格帧为 5.75 秒；区间延续至视频末尾 6.00 秒，没有后续采样帧。选择 3.25 秒作为关键帧，因为目标完整清楚且尚未被后续对话框遮挡。","start_frame":78,"end_frame":144,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[209,475,480,930],"positive_points":[[276,533],[250,618],[248,740],[248,857],[426,880],[441,669]],"negative_points":[[168,764],[532,606],[174,392],[660,873]],"evidence":"目标是画面中下方的前景 Email 卡片，具有蓝色头像、纵向排列的一个 PDF 和两个图片附件图标，右下角徽标为“10”。边界框覆盖该卡片的可见表面及外缘；正点分布于标题、头像、附件图标、计数徽标和正文表面，负点位于左下遮挡卡片、后方其他邮件面板及右侧外部背景。"}},{"name":"Lower-left email card","description":"The large \"Email\" card entering from the lower-left edge, with a blue sender avatar, a pale-blue body of horizontal text lines, and a blue attachment badge marked \"6\".","membership":"Includes this individual card's boundary, white surface, heading, avatar, message body, and attachment indicator, including its portion extending beyond the picture edge. Excludes the call-participant dialog later covering it.","id":"obj_012","temporal":{"status":"found","start_s":3.25,"end_s":6.0,"reference_s":3.5,"evidence":"目标是左下方带“Email”标题、蓝色头像、浅蓝正文和数字“6”附件标记的大卡片；其越出画面的部分属于指定的裁切设计。3.00秒仍在淡入，3.25秒卡片表面与边界已完整建立。此后虽被通话参与者对话框遮挡，仍持续可见至最后采样帧5.75秒；视频在6.00秒结束，无后续帧。选择3.50秒作为关键帧，此时卡片清晰，尚未被通话对话框遮挡。","start_frame":78,"end_frame":144,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[0,619.4,237.5,1000],"positive_points":[[42,676],[8,763],[119,795],[66,929],[184,962],[231,850]],"negative_points":[[150,557],[308,685],[400,972],[20,503]],"evidence":"目标是左下角从画面边缘进入的 Email 卡片，可见蓝色头像、浅蓝正文区及数字“6”附件标记。边界框覆盖该卡片全部可见部分，左侧和底部截于图像边缘。正点分布在标题、头像、正文、附件标记及右侧白色表面；负点位于上方和右侧其他卡片及外部背景。"}},{"name":"Upper-right Word Document panel","description":"The large blue-topped \"Word Document\" window that appears at the upper right behind the spreadsheet. It contains a document icon, toolbar symbols, and pale horizontal text lines.","membership":"Includes the window surface, rounded boundary, header, toolbar, document icons, and text-line graphics. Excludes the spreadsheet, warning banners, and dialogs in front of it.","id":"obj_013","temporal":{"status":"found","start_s":3.5,"end_s":4.75,"reference_s":3.5,"evidence":"目标是右上方、位于绿色电子表格后面的蓝色顶栏“Word Document”窗口。3.25秒仍处于淡入，3.5秒窗口表面和圆角边界已完整建立；最后符合条件的帧为4.5秒。4.75秒窗口继续向右移动，右侧边界开始被画面裁切，因此结束于该时刻。选择3.5秒作为关键帧，此时窗口轮廓清晰，标题、工具栏和文本线易于辨认，前景遮挡较少。","start_frame":84,"end_frame":114,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[686.7,69.4,991.4,520.8],"positive_points":[[707,88.9],[771.9,150],[952.3,140.3],[713.3,225],[905.5,327.8],[969.5,484.7]],"negative_points":[[609.4,336.1],[759.4,433.3],[859.4,629.2],[617.2,147.2]],"evidence":"根据右上方蓝色顶栏、“Word Document”标题及文档工具栏识别目标。边界框覆盖该窗口的可见外缘；正点分布在顶栏、标题、工具栏和右侧正文表面，负点位于前景电子表格、上传对话框及窗口外背景，排除遮挡对象。"}},{"name":"Lower-right Word Document panel","description":"A second \"Word Document\" window entering at the lower-right edge, below the upper-right document and behind the upload dialog.","membership":"Includes this window's own boundary, surface, blue header, document title, toolbar, and body lines. Excludes the upload dialog and the separate document window that later appears nearer the bottom center.","id":"obj_014","temporal":{"status":"found","start_s":3.5,"end_s":6.0,"reference_s":3.5,"evidence":"目标是右下方、上方文档窗口之下并被上传对话框遮挡的第二个 Word Document 窗口，不含后来出现的底部中央窗口。3.25 秒时它仍在淡入；3.5 秒起自身窗口表面、蓝色标题栏和布局已建立，右侧为持续的构图裁切。最后合格帧为 5.75 秒，目标仍在原处，故区间延续至视频结束 6.0 秒，无后续采样帧。选择 3.5 秒作关键帧，因为标题与工具栏较清楚，且尚未受到底部中央窗口的遮挡。","start_frame":84,"end_frame":144,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[792.2,698.6,1000,1000],"positive_points":[[949,718],[821,778],[895,779],[818,851],[944,913],[852,977]],"negative_points":[[758,663],[888,452],[746,859],[438,804]],"evidence":"目标是右下角从画面边缘进入、部分被上传对话框遮挡的第二个“Word Document”窗口。边界框覆盖其可见蓝色顶栏、标题、工具栏和正文区域，右侧及底部截于图像边缘。正点分布于这些窗口内容；负点位于上传对话框、右上文档、左侧背景及邮件窗口，排除其他对象。"}},{"name":"Upload to drive dialog","description":"The white sharing dialog on the right headed \"Upload to drive\", with recipient chips for \"Sarah Todd\" and \"John Smith\", a checked \"Notify people\" option, and \"Cancel\" and \"Send\" controls.","membership":"Includes the dialog boundary, surface, heading, recipient chips, checkbox, labels, and controls. The separately identified permission warning belongs to this dialog. Excludes document and spreadsheet windows behind it.","id":"obj_015","temporal":{"status":"found","start_s":3.75,"end_s":6.0,"reference_s":4.0,"evidence":"目标是右侧标题为“Upload to drive”的白色共享对话框，含 Sarah Todd、John Smith 收件人标签、已勾选的 Notify people、Cancel 和 Send，以及权限警告。3.50秒仍在淡入；3.75秒边界、表面及控件已完整建立，为首个合格帧。最后合格帧为5.75秒，故区间结束于视频末尾6.00秒，之后无采样帧。选择4.00秒作关键帧，对话框轮廓清楚，与后方文档及表格窗口容易区分。","start_frame":90,"end_frame":144,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[674,489,971,792],"positive_points":[[719,536],[746,610],[704,675],[876,730],[752,759],[861,543]],"negative_points":[[609,458],[859,403],[632,757],[883,847]],"evidence":"目标是右侧含 Sarah Todd、John Smith 收件人标签及 Notify people、Cancel、Send 控件的白色共享对话框。边界框覆盖对话框及其附属的 Adjust Permission Settings 警告条和感叹号。正点分布于标题、收件人、复选框、发送按钮、面板表面和警告条；负点位于后方的表格、文档窗口等外部区域。"}},{"name":"Formula Error warning","description":"The magenta banner reading \"Formula Error\" across the upper-right portion of the enlarged spreadsheet, with a white circular exclamation marker at its right end.","membership":"Includes the colored warning banner, its text, and its attached circular exclamation marker as one compact warning unit. Excludes the spreadsheet surface behind it and surrounding glow or shadow.","id":"obj_016","temporal":{"status":"found","start_s":4.0,"end_s":6.0,"reference_s":5.5,"evidence":"目标是放大电子表格右上部的洋红色“Formula Error”横幅及右端白色圆形感叹号标记。3.75秒时仍在淡入，与原有控件叠显；4.00秒首次完整清晰呈现，持续至最后采样���5.75秒。区间延伸至视频结束6.00秒，之后无采样帧。选择5.50秒作为关键帧，警告单元轮廓清晰、文字完整且无遮挡。","start_frame":96,"end_frame":144,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[719.5,262.5,870.3,341.7],"positive_points":[[727.3,310.8],[751.6,325],[785.2,312.5],[824.2,321],[852.3,291.7],[862.5,307]],"negative_points":[[668,305.6],[781.3,380.6],[893.8,323.6],[809.4,234.7]],"evidence":"根据电子表格右上方的“Formula Error”文字识别目标。框覆盖洋红色警告横幅及右端白色圆形感叹号标记，不含周围阴影。六个正点分布在横幅、文字和圆形标记上；四个负点位于警告之外的表格或邻近背景上。"}},{"name":"Permission settings warning","description":"The magenta \"Adjust Permission Settings\" banner laid across the upper-right edge of the upload dialog, ending in a white circular exclamation marker.","membership":"Includes the banner surface, warning text, and attached white exclamation marker. Excludes the upload dialog behind it and surrounding glow or shadow.","id":"obj_017","temporal":{"status":"found","start_s":3.75,"end_s":6.0,"reference_s":5.5,"evidence":"目标是上传对话框右上缘的洋红色“Adjust Permission Settings”横幅及其右端白色圆形感叹号标记。3.50秒仍处于半透明淡入阶段；3.75秒横幅、文字和标记均已完整呈现，此后持续可见至最后采样帧5.75秒。区间延伸至视频结束，之后没有采样帧。选择5.50秒作为关键帧，目标清晰完整，且未被其他窗口遮挡。","start_frame":90,"end_frame":144,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[777,492,982,571],"positive_points":[[787,537],[820,548],[864,534],[906,553],[938,538],[964,522]],"negative_points":[[735,535],[883,617],[935,463],[986,596]],"evidence":"目标是上传对话框右上方写有“Adjust Permission Settings”的洋红色警告横幅。边界框紧贴横幅及右端白色圆形感叹号标记，不含外围光晕或阴影。六个正点分布于横幅表面、文字和感叹号标记；四个负点位于上传对话框及周围背景。"}},{"name":"Access Files dialog","description":"The white permissions panel emerging in the lower middle, titled \"Access Files\", with \"Add people and groups\", \"People with access\", green user avatars, and a green \"Done\" button.","membership":"Includes the complete panel boundary and surface, title, entry field, access-list contents, avatars, and Done button. Excludes the email beneath it, the participant dialog in front, and the central meeting invitation.","id":"obj_018","temporal":{"status":"found","start_s":4.25,"end_s":6.0,"reference_s":4.25,"evidence":"目标是下方中央标题为“Access Files”的白色权限面板，含人员输入栏、访问列表、绿色头像和“Done”按钮。4.0秒仍处于半透明淡入阶段，4.25秒面板已建立，为首个合格帧；此后虽被参与者弹窗和会议邀请遮挡，仍持续可见至最后采样帧5.75秒。区间延伸到视频末尾6.0秒，之后无采样帧。选择4.25秒作为关键帧，此时标题、输入栏、头像及按钮较易辨认，后续遮挡更明显。","start_frame":102,"end_frame":144,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[300,531,627,1000],"positive_points":[[362,584],[562,662],[332,789],[332,866],[573,952],[594,795]],"negative_points":[[382,708],[458,894],[175,902],[280,533]],"evidence":"目标是下方中央标题为“Access Files”的白色权限面板，边界框覆盖其可见面板至图像底边。正点分布在标题、输入栏、两枚绿色头像、右侧面板表面和Done按钮；负点位于前景会议邀请文字、Join按钮、左侧参与者弹窗及下层Email标题，均不属于目标。"}},{"name":"Bottom-center Word Document panel","description":"A third blue-topped \"Word Document\" window rising from the bottom edge beneath the Access Files and upload dialogs, with its own title and toolbar.","membership":"Includes this individual window's surface, boundary, blue header, title, toolbar, and visible document contents. Excludes the distinct document window farther right and any overlapping dialogs.","id":"obj_019","temporal":{"status":"found","start_s":4.25,"end_s":6.0,"reference_s":5.25,"evidence":"目标是画面底部中央、位于 Access Files 和上传对话框下方的第三个蓝顶 Word Document 窗口，与更靠右的文档窗口不同。4.00 秒仍处于淡入阶段；4.25 秒起窗口表面、蓝色顶栏和标题已完整建立，底部保持设计性的画面裁切，之后持续可见至最后采样帧 5.75 秒。区间延伸至视频结束，无后续帧。选择 5.25 秒作为关键帧，标题、顶栏及可见工具栏清楚，便于区分相邻窗口。","start_frame":102,"end_frame":144,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[629.7,830.6,901.6,1000],"positive_points":[[665.6,853.1],[871.9,848.6],[692.2,917.4],[650.8,969.4],[807.0,906.9],[879.7,977.8]],"negative_points":[[952.3,893.1],[818.8,766.7],[592.2,873.6],[896.9,429.2]],"evidence":"目标是从底边露出的底部中央“Word Document”窗口，位于上传和 Access Files 对话框下方。框覆盖其可见蓝色顶栏、标题、工具栏及延伸至图像底边的窗口表面。正点分布于这些可见部分；负点位于右侧独立文档窗口、上方上传对话框、左侧遮挡对话框及更上方文档区域。"}},{"name":"Drive file-browser panel","description":"The gray-topped \"Drive\" window that appears over the upper-left email stack, containing a cloud icon, a navigation rail, view controls, and yellow folder rows.","membership":"Includes the complete file-browser surface and boundary, header, navigation icons, controls, and folder list. Its separately identified unavailable-file warning remains part of the panel. Excludes the email windows behind it and the central invitation in front.","id":"obj_020","temporal":{"status":"found","start_s":4.75,"end_s":6.0,"reference_s":4.75,"evidence":"目标是左上方邮件叠层前的灰色顶栏“Drive”文件浏览窗口，含云图标、导航栏、视图控件、黄色文件夹行及不可用文件警告。4.50秒仍处于淡入，后方邮件内容明显透出；4.75秒窗口表面和边界已完整建立，为首个合格帧。最后合格帧为5.75秒，目标持续至视频结束，边界后无采样帧。选择4.75秒为关键帧，此时窗口清晰，中央邀请面板对它的遮挡较少。","start_frame":114,"end_frame":144,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[96,87,410,546],"positive_points":[[248,106],[162,174],[299,180],[282,232],[121,421],[226,464]],"negative_points":[[46,237],[451,529],[636,314],[339,582]],"evidence":"目标是左上方灰色顶栏、标有“Drive”的文件浏览窗口。边框覆盖窗口可见表面、导航栏、视图控件、黄色文件夹列表及不可用文件警告。正点分布在顶栏、标题、警告、控件和列表区域；负点位于后方邮件窗口、前方邀请卡、右侧表格窗口及下方其他面板，均不属于目标。"}},{"name":"Unavailable-file warning","description":"The magenta \"File No Longer Available\" banner at the top of the Drive file browser, with a white circular exclamation marker at its right end.","membership":"Includes the banner, its text, and the attached circular warning marker. Excludes the Drive panel behind it and surrounding glow or shadow.","id":"obj_021","temporal":{"status":"found","start_s":4.75,"end_s":6.0,"reference_s":5.25,"evidence":"目标是 Drive 文件浏览器顶部写有“File No Longer Available”的洋红色横幅及其右端白色圆形感叹号标记。4.50 秒时仍在淡入，4.75 秒首次完整清晰呈现，持续至最后采样帧 5.75 秒；视频在 6.00 秒结束，没有后续帧可检查。选择 5.25 秒作为关键帧，横幅、文字和警告标记清晰且无遮挡。","start_frame":114,"end_frame":144,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[210,121,408,202],"positive_points":[[224,171],[259,177],[307,176],[363,185],[390,151],[397,173]],"negative_points":[[160,167],[342,232],[334,105],[432,169]],"evidence":"目标是左上方 Drive 文件浏览器顶部的洋红色“File No Longer Available”警告。边界框覆盖横幅、文字及右端白色圆形感叹号标记，不含阴影。正点分布在横幅及圆形标记上；负点位于 Drive 标题、工具栏、顶部栏和右侧背景。"}},{"name":"Call participant dialog","description":"The broad lower-left dialog reading \"Multiple people want to join this call\", with overlapping user avatars, a \"+12\" badge, an \"Add people\" field, a participant row, and a pink \"Join\" button.","membership":"Includes the dialog surface and rounded boundary, avatar group, count badge, text, entry field, participant row, and Join button. Excludes the Access Files panel behind it and the meeting invitation overlapping its upper edge.","id":"obj_022","temporal":{"status":"found","start_s":4.75,"end_s":6.0,"reference_s":4.75,"evidence":"目标是左下方宽大的通话参与者对话框，包含重叠头像、“+12”、“Multiple people want to join this call”、Add people 输入栏、参与者行及粉色 Join 按钮。4.50 秒仍在淡入，后方 Access Files 内容透出；4.75 秒首次完整建立，至最后采样帧 5.75 秒持续可见。区间延伸至视频末尾 6.00 秒，无后续帧。选择 4.75 秒作为关键帧，此时结构清晰，且上方会议邀请对它的遮挡较少。","start_frame":114,"end_frame":144,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[111,622,548,999],"positive_points":[[171,687],[355,694],[319,798],[205,930],[477,910],[129,850]],"negative_points":[[337,580],[502,540],[575,957],[54,804]],"evidence":"目标是左下方显示“Multiple people want to join this call”的宽对话框。边界框覆盖其可见圆角面板、头像与人数徽章、输入栏、参与者行及粉色 Join 按钮。正点分布在这些内容和面板表面；负点位于后方 Access Files 面板、上���重叠的会议邀请、右侧 Done 按钮及左侧外部区域。"}},{"name":"Sarah Todd meeting invitation","description":"The central white popup reading \"Sarah Todd wants you to join a meeting\", with a green circular telephone symbol, a close control, and a gray-green bottom strip labeled \"Join\" beside a video-camera icon.","membership":"Includes the complete popup boundary and surface, green call symbol, invitation text, close control, and bottom Join strip. Excludes all underlying application panels and dialogs, and excludes the surrounding shadow.","id":"obj_023","temporal":{"status":"found","start_s":4.5,"end_s":6.0,"reference_s":5.5,"evidence":"目标是中央写有“Sarah Todd wants you to join a meeting”的白色邀请弹窗，带绿色电话图标、关闭控件和底部 Join 条。4.25 秒尚未出现该弹窗；4.50 秒其完整边界、表面及布局已建立，随后只是放大及图标动画。最后一个合格帧为 5.75 秒，目标仍完整可见，因此区间延续至视频结束 6.0 秒，之后无采样帧。选择 5.50 秒作关键帧，弹窗较大、文字清晰且未被遮挡。","start_frame":108,"end_frame":144,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[365,311,641,685],"positive_points":[[391,356],[502,445],[610,362],[492,588],[504,657],[610,526]],"negative_points":[[333,458],[666,439],[486,740],[498,270]],"evidence":"目标为中央显示“Sarah Todd wants you to join a meeting”的白色邀请弹窗。边框紧贴完整弹窗，包含绿色电话图标、关闭按钮和底部 Join 条，不含周围阴影。正点分布在弹窗表面、图标、文字及底栏；负点位于四周被遮挡的应用面板和下方其他对话框上。"}}]}
+{"video_id":293,"video_type":"icons and abstract motion graphics","targets":[{"name":"Play button","description":"The opening purple button labeled “Play,” which enlarges, turns cyan, gains a triangular play icon, and becomes the central button in the control montage.","membership":"Includes the complete filled button shape, its boundary, label, and play icon when present. Excludes surrounding background and neighboring controls.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":3.25,"reference_s":1,"evidence":"目标是开场标有“Play”的紫色按钮，随后连续放大、变为青色并加入三角播放图标，最终成为控件蒙太奇的中央按钮。首个合格帧为0.00秒：虽有运动模糊，但完整按钮及标签已呈现；视频起点之前无采样帧。最后合格帧为3.00秒，3.25秒已切换为活动报名界面，目标不再出现。选择1.00秒作为关键帧，因为按钮较大、边界和文字图标清晰，且无邻近控件干扰。","start_frame":0,"end_frame":78,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[232,222.2,770.3,779.2],"positive_points":[[325,390],[470,290],[690,380],[660,680],[416,500],[536,510]],"negative_points":[[150,500],[850,500],[500,120],[500,870]],"evidence":"图像中央的青色圆角按钮带有“Play”文字和三角播放图标，与目标相符。边界框紧贴完整按钮外缘，包含填充、文字和图标；正点分布于按钮表面及图标、文字笔画，负点位于按钮四周的浅色外部背景。"}},{"name":"Five-second rewind pill","description":"A light-blue upright pill immediately left of the Play button, containing a counterclockwise arrow around “5.”","membership":"Includes the pill surface and boundary and the enclosed rewind symbol. Excludes the separate square rewind button appearing below it later.","id":"obj_002","temporal":{"status":"found","start_s":1.25,"end_s":3.25,"reference_s":2.0,"evidence":"目标是 Play 按钮紧左侧的浅蓝色竖向胶囊，内含逆时针箭头和“5”，不包括后来下方的方形回退按钮。首个合格帧为1.25秒，胶囊及符号已完整可见，虽有倾斜仍属完整对象；此前1.00秒仅见大型 Play 按钮。最后合格帧为3.00秒，3.25秒已切换为活动报名界面，目标消失。选择2.00秒为关键帧，目标直立、轮廓清晰且无遮挡。","start_frame":30,"end_frame":78,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[160.9,319.4,307.8,679.2],"positive_points":[[230.5,366.7],[185.9,440.3],[235.2,498.6],[285.2,494.4],[195.3,602.8],[254.7,636.1]],"negative_points":[[354.7,500],[106.3,500],[250,768.1],[234.4,273.6]],"evidence":"目标是 Play 按钮紧左侧的浅蓝色竖向胶囊，内有逆时针箭头和数字“5”。边界框紧贴整个胶囊的可见外缘；六个正点分布于胶囊上、中、下部及回退符号处，四个负点位于右侧 Play 按钮、左侧摄像按钮、下方飞机按钮及上方外部背景。"}},{"name":"Circular lightning button","description":"A large cyan circular button immediately right of Play, containing a dark lightning bolt.","membership":"Includes the circular button and its enclosed bolt. Excludes the smaller purple lightning button elsewhere in the montage.","id":"obj_003","temporal":{"status":"found","start_s":1.25,"end_s":3.25,"reference_s":1.75,"evidence":"目标是 Play 右侧内含深色闪电的青色圆形按钮，不包括较小的紫色闪电按钮。首个合格帧为 1.25 秒，圆面和闪电均已完整出现；此前 1.00 秒仅有大型 Play 按钮。目标随画面缩放持续可见至 3.00 秒，3.25 秒已切换为活动报名界面，目标消失。选择 1.75 秒作为关键帧，按钮较大、轮廓清晰且无遮挡。","start_frame":30,"end_frame":78,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[700.8,322.2,910.9,683.3],"positive_points":[[805,495],[781,366],[860,424],[734,486],[769,607],[857,591]],"negative_points":[[656,479],[939,498],[807,276],[809,738]],"evidence":"目标是 Play 右侧含深色闪电图标的大型青色圆形按钮。边界框紧贴完整圆形按钮，包含内部闪电；六个正点分布在按钮表面及闪电上，四个负点位于左侧 Play 按钮、右侧其他按钮及上下外部背景。"}},{"name":"Video camera button","description":"A light-blue rounded button to the left of the rewind pill, revealed with a dark video camera symbol as the view widens.","membership":"Includes the button surface, rounded boundary, and camera icon, limited to the visible portion when cropped.","id":"obj_004","temporal":{"status":"found","start_s":1.75,"end_s":3.25,"reference_s":2.75,"evidence":"目标是倒退“5”按钮左侧、带深色视频摄像机图标的浅蓝色圆角按钮。1.75秒首次显示可辨认的按钮和摄像机图标，按目标描述包含其被裁切的可见部分；此前1.50秒仅见浅蓝色边缘，尚未见摄像机图标。最后符合帧为3.00秒，3.25秒已切换至活动页面，目标消失。选择2.75秒作为关键帧，按钮及图标完整清晰，便于与周围控件区分。","start_frame":42,"end_frame":78,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[121.9,394.4,268.0,606.9],"positive_points":[[159.4,451.4],[226.6,448.6],[193.0,500.0],[140.6,513.9],[173.4,573.6],[242.2,545.8]],"negative_points":[[323.4,500.0],[62.5,479.2],[218.8,256.9],[270.3,618.1]],"evidence":"目标是画面左中部、倒退5秒竖形按钮左侧的浅蓝色圆角摄像机按钮。边界框覆盖完整按钮表面、圆角边界和深色摄像机图标；六个正点分布于图标及按钮各部位，负点位于相邻倒退、旗帜、音乐按钮和外部背景。"}},{"name":"Fix button","description":"A small cyan pill below Play with a sparkling wand icon and the label “Fix.”","membership":"Includes the entire pill, wand graphic, sparkles belonging to that graphic, and label. Excludes adjacent buttons.","id":"obj_005","temporal":{"status":"found","start_s":2.0,"end_s":3.25,"reference_s":2.0,"evidence":"目标是Play下方带闪光魔杖图标和“Fix”文字的青色胶囊按钮。首个完整呈现帧为2.00秒，最后一个合格帧为3.00秒；此前1.75秒按钮仍在展开，图标和文字被裁切，之后3.25秒画面切换为活动页面，目标消失。选择2.00秒作为关键帧，因为按钮较大、轮廓完整且无遮挡，易与相邻按钮区分。","start_frame":48,"end_frame":78,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[316.4,722.2,467.2,870.8],"positive_points":[[335.9,786.1],[359.4,745.8],[369.5,801.4],[417.2,795.8],[438.3,826.4],[391.4,848.6]],"negative_points":[[250.8,770.8],[489.1,627.8],[386.7,923.6],[507.8,787.5]],"evidence":"目标是 Play 下方带魔棒、闪光和“Fix”文字的青色胶囊按钮。边界框紧贴整个按钮，包含底色、图标和文字；六个正点分布在按钮表面及图文上，四个负点位于左侧飞机按钮、上方 Play 按钮以及目标下方和右侧的外部背景。"}},{"name":"Airplane button","description":"A small lavender rounded rectangle below the rewind control, containing a dark airplane silhouette.","membership":"Includes the rounded rectangle and enclosed airplane icon.","id":"obj_006","temporal":{"status":"found","start_s":2.0,"end_s":3.25,"reference_s":2.0,"evidence":"目标是倒退5秒控件下方、内含深色飞机剪影的小型淡紫色圆角矩形按钮。首次完整出现于2.00秒，随后缩放但保持完整，最后合格帧为3.00秒。前一帧1.75秒尚无飞机按钮；后一帧3.25秒已切换到活动详情界面，目标消失。选择2.00秒作为关键帧，因为按钮较大、轮廓与飞机图标清晰且无遮挡。","start_frame":48,"end_frame":78,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[204.7,716.7,297.7,830.6],"positive_points":[[218,743],[281,744],[220,802],[281,805],[251,761],[251,792]],"negative_points":[[234,625],[352,778],[184,774],[250,875]],"evidence":"目标是回退控制下方、Fix按钮左侧的淡紫色飞机按钮。边界框紧贴整个圆角矩形，包含内部深色飞机图标；正点分布在按钮底色和飞机上，负点位于上方回退按钮、右侧Fix按钮及左侧和下方的外部背景。"}},{"name":"Purple send-symbol button","description":"A lavender horizontal pill above the large lightning button, containing a dark stylized right-pointing send symbol.","membership":"Includes the complete pill and its enclosed symbol. Excludes the separate cyan button labeled “Send.”","id":"obj_007","temporal":{"status":"found","start_s":2.0,"end_s":3.25,"reference_s":2.0,"evidence":"目标是大闪电按钮上方的薰衣草色横向胶囊按钮，内含深色右指发送符号，与青色“Send”按钮不同。首个完整出现帧为2.00秒，最后合格帧为3.00秒；此前1.75秒帧中尚未出现，之后3.25秒已切换为活动页面，目标消失。选择2.00秒作为关键帧，因为按钮较大、轮廓完整且无遮挡。","start_frame":48,"end_frame":78,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[732,100,881.3,286.1],"positive_points":[[752.3,190.3],[775.8,137.5],[843.8,138.9],[861.7,205.6],[819.5,258.3],[803.1,193.1]],"negative_points":[[804.7,61.1],[935.9,229.2],[801.6,416.7],[699.2,194.4]],"evidence":"目标是大号闪电按钮上方、内含深色向右发送符号的薰衣草紫色横向胶囊按钮。边界框紧贴完整胶囊外缘，包含内部符号；六个正点分布于按钮表面和符号上，四个负点位于上方及左侧背景、右侧骑行按钮和下方闪电按钮，均不属于目标。"}},{"name":"Cycling button","description":"A small cyan rounded-square button to the upper right of the lightning control, containing a cyclist pictogram.","membership":"Includes the button surface, boundary, and cyclist graphic.","id":"obj_008","temporal":{"status":"found","start_s":2.0,"end_s":3.25,"reference_s":2.0,"evidence":"目标是闪电控件右上方、带骑行者图标的青色圆角方形按钮。首个合格帧为2.00秒，按钮表面、边界和图标均已完整出现；此后随布局缩放持续可见，最后合格帧为3.00秒。前一帧1.75秒尚未出现该按钮，后一帧3.25秒已切换到活动信息界面，目标消失。选择2.00秒作为关键帧，因为按钮较大、轮廓清晰且无遮挡。","start_frame":48,"end_frame":78,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[899.2,163.9,972.7,290.3],"positive_points":[[911.7,187.5],[956.3,190.3],[936.7,218.1],[914.8,266.7],[956.3,266.7],[935.9,251.4]],"negative_points":[[828.1,180.6],[935.9,125],[984.4,311.1],[804.7,484.7]],"evidence":"目标是闪电控件右上方、带骑行者图案的青色圆角方形按钮。边界框紧贴按钮的完整可见外缘，包含底色和骑行图案；六个正点分布在按钮表面及图案上，四个负点位于外部浅色背景、左侧紫色按钮和下方闪电控件上。"}},{"name":"Colorization button","description":"A large cyan rounded rectangular control partially cropped along the left edge of the widened montage, with a partially visible colorization label.","membership":"Includes the visible button surface, boundary, and its label. Excludes neighboring icon buttons.","id":"obj_009","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是展开后的按钮蒙太奇左侧大型青色圆角矩形，标签仅露出“olorize”，其左缘裁切符合描述中的刻意裁切设计。首个合格帧为2.25秒，按钮表面、边界和可见标签均已建立；最后合格帧为3.00秒。前一帧2.00秒尚未显示该按钮，后一帧3.25秒已切换为活动报名界面。选择3.00秒作为关键帧，因为按钮轮廓及标签清晰，易与邻近图标按钮区分。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[0,187.5,143,379.2],"positive_points":[[15.6,215.3],[103.1,219.4],[127.3,280.6],[71.1,281.9],[21.9,345.8],[103.1,347.2]],"negative_points":[[221.9,254.2],[60.9,472.2],[84.4,154.2],[184.4,488.9]],"evidence":"目标是图像左侧被裁切的大型青色圆角按钮，标签可见“olorize”。边界框覆盖其全部可见表面及文字，左边界贴合图像边缘。正点分布于按钮上下部、右侧及标签；负点位于外部背景和相邻的音乐、旗帜、摄像机按钮。"}},{"name":"Music collection button","description":"A large cyan circular control in the upper-left portion of the montage, displaying overlapping square sheets with a musical note.","membership":"Includes the circular surface and the complete overlapping-sheet music icon.","id":"obj_010","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.5,"evidence":"目标是画面左上方的大型青色圆形按钮，内部为重叠方形纸页和音符图标。首个符合条件的帧为2.25秒，圆形表面及完整图标均已呈现；最后一帧为3.00秒。前一帧2.00秒尚未出现该按钮，后一帧3.25秒已切换到活动报名界面，目标消失。选择2.50秒作为关键帧，按钮轮廓清晰、无遮挡，便于与周围控件区分。","start_frame":54,"end_frame":78,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[154,135,294,378],"positive_points":[[221,162],[181,219],[222,257],[264,222],[257,320],[202,339]],"negative_points":[[127,255],[365,300],[192,496],[220,71]],"evidence":"目标位于左上区域，是带叠页音符图标的���型青色圆形按钮。边界框紧贴整个圆形表面，包含完整图标；正点分布在圆面及中央图标上，负点位于左侧文字按钮、右侧音量按钮、下方摄像按钮和上方其他控件上。"}},{"name":"Snowboarding button","description":"A lavender rounded rectangle above the speaker control, showing a person riding a board.","membership":"Includes the rectangular button with rounded corners and its enclosed rider pictogram.","id":"obj_011","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是扬声器按钮上方的淡紫色圆角矩形，内部有踩着滑板的骑乘者图标。首个完整显示帧为2.25秒，最后符合条件的帧为3.00秒，期间按钮及图标均完整可见。前一帧2.00秒尚未显示该按钮；后一帧3.25秒已切换为活动报名页面，目标消失。选择3.00秒作为关键帧，因为按钮轮廓和内部图标清晰，无遮挡。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[306.3,55.6,425.8,202.8],"positive_points":[[321.9,86.1],[405.5,87.5],[365.6,131.9],[323.4,170.8],[405.5,175],[369.5,77.8]],"negative_points":[[362.5,293.1],[293.8,130.6],[457,194.4],[224.2,250]],"evidence":"目标是扬声器按钮上方、带滑雪板骑手图标的淡紫色圆角矩形。边界框紧贴整个按钮，包含底色和骑手图标；六个正点分布在按钮内部及图标上，四个负点位于左侧外部背景和邻近的扬声器、风扇、音乐按钮上。"}},{"name":"Speaker button","description":"A cyan rounded rectangle above and left of Play, containing a dark speaker with sound waves.","membership":"Includes the button surface, boundary, speaker, and sound-wave marks.","id":"obj_012","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是 Play 左上方的青色圆角矩形按钮，内有深色扬声器和声波标记。首个合格帧为 2.25 秒，按钮表面、边界及图标均已完整显示；最后合格帧为 3.00 秒。此前相邻的 2.00 秒帧中尚未出现该按钮，此后相邻的 3.25 秒帧已切换为活动页面，目标消失。选择 3.00 秒作为关键帧，按钮清晰完整、无遮挡，便于区分和标注。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[306.3,225,425.8,373.6],"positive_points":[[320.3,252.8],[406.3,255.6],[325.8,341.7],[406.3,343.1],[359.4,300],[375,298.6]],"negative_points":[[363.3,152.8],[457.8,333.3],[468.8,479.2],[289.1,305.6]],"evidence":"目标是 Play 左上方、内含深色扬声器及声波的青色圆角矩形。边界框紧贴完整按钮，包含表面、边界及图标；六个正点分布在按钮表面和扬声器声波上，四个负点位于上方滑雪按钮、右侧爱心按钮、Play 按钮和左侧外部背景。"}},{"name":"Swimming button","description":"A cyan horizontal pill near the upper center of the montage, containing a swimmer pictogram.","membership":"Includes the pill and its enclosed swimming graphic.","id":"obj_013","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是画面上方中央含游泳者图标的青色横向胶囊按钮。首次完整出现于2.25秒，最后符合条件的帧为3.00秒；此前2.00秒帧未显示该按钮，之后3.25秒已切换为活动报名界面，目标消失。选择3.00秒为关键帧，按钮轮廓及内部游泳图标清晰完整、无遮挡。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[489.8,55.6,609.4,202.8],"positive_points":[[507.8,102.8],[552.3,83.3],[590.6,112.5],[583.6,163.9],[536.7,169.4],[546.9,130.6]],"negative_points":[[457,194.4],[640.6,187.5],[546.9,290.3],[367.2,130.6]],"evidence":"目标是图像上方中央带游泳者图标的青色横向胶囊按钮。边界框紧贴完整胶囊外缘，包含内部游泳图形；六个正点分布于按钮表面及游泳图形，四个负点位于周围独立按钮上。"}},{"name":"Overlapping pages button","description":"A cyan horizontal pill directly below the swimming button, showing two overlapping dark rectangular pages.","membership":"Includes the entire pill and overlapping-page icon.","id":"obj_014","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是游泳按钮正下方的青色横向胶囊按钮，内部为两个深色重叠页面图标。首个完整呈现帧为2.25秒，最后一个为3.00秒；前一帧2.00秒尚未显示该按钮，后一帧3.25秒已切换为活动详情界面，目标消失。选择3.00秒作为关键帧，因为按钮轮廓及图标清晰、无遮挡，且与周围按钮易于区分。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[489.8,225,609.4,373.6],"positive_points":[[507.8,291.7],[536.7,254.2],[575.8,265.3],[549.2,297.2],[523.4,338.9],[585.2,329.2]],"negative_points":[[546.9,138.9],[664.8,319.4],[546.1,465.3],[457,333.3]],"evidence":"目标是游泳按钮正下方、带深色重叠页面图标的青色横向胶囊按钮。边界框紧贴整个按钮外缘，包含底色和图标；六个正点分布于按钮表面及页面图标，四个负点分别位于上方游泳按钮、右侧紫色按钮、下方 Play 按钮和左侧爱心按钮。"}},{"name":"Gauge button","description":"A small cyan circular control between the snowboarding and swimming buttons, containing a dark gauge symbol.","membership":"Includes the circular button and the enclosed gauge graphic.","id":"obj_015","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是滑雪板按钮与游泳按钮之间的小型青色圆形按钮，内含深色仪表盘图标。首个完整呈现帧为2.25秒，最后一个为3.00秒；前一帧2.00秒尚未显示该按钮，后一帧3.25秒已切换到活动页面，目标消失。选择3.00秒作为关键帧，因为按钮轮廓和内部图标清晰且无遮挡。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[439.1,47.2,478.9,111.1],"positive_points":[[458.6,58.3],[449.2,72.2],[453.1,94.4],[467.2,88.9],[470.3,70.8],[460.2,77.8]],"negative_points":[[407.8,108.3],[507.8,104.2],[428.1,76.4],[457.0,163.9]],"evidence":"目标是滑雪板按钮与游泳按钮之间、内含深色仪表图标的小青色圆形按钮。边界框紧贴整个圆形按钮，包含仪表图形；六个正点分布在圆形表面和图标上，四个负点位于左侧滑雪板按钮、右侧游泳按钮、左侧外部背景及下方风扇按钮。"}},{"name":"Fan button","description":"A narrow vertical cyan pill between the speaker and swimming controls, containing a four-bladed fan symbol.","membership":"Includes the pill surface, boundary, and fan icon.","id":"obj_016","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是扬声器按钮右侧、游泳按钮左侧的窄竖向青色胶囊，内部有四叶风扇图标。首个合格帧为2.25秒，按钮表面、边界和图标均完整；最后合格帧为3.00秒。前一帧2.00秒尚未显示该按钮，后一帧3.25秒已切换为活动报名界面，目标消失。选择3.00秒作为关键帧，因按钮轮廓清晰、无遮挡且易与相邻控件区分。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[437.5,133.3,478.1,275],"positive_points":[[454,152],[467,175],[454,205],[445,231],[459,259],[468,234]],"negative_points":[[423,202],[490,203],[458,82],[456,333]],"evidence":"目标是扬声器与游泳控件之间、带四叶风扇图标的竖向青色胶囊按钮。边界框紧贴整个按钮，包含表面、边缘和图标；正点分布于按钮上下部及风扇图标，负点位于左右外部背景及上方指南针、下方爱心控件。"}},{"name":"Heart button","description":"A small cyan circular button below the fan and above Play, containing a dark heart.","membership":"Includes the circular button and enclosed heart.","id":"obj_017","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是风扇下方、Play 按钮上方的青色圆形按钮，内含深色爱心。首次完整出现于 2.25 秒，最后符合条件的帧为 3.00 秒；前一帧 2.00 秒尚未出现该按钮，后一帧 3.25 秒已切换到活动页面，目标消失。选择 3.00 秒作为关键帧，按钮轮廓与爱心清晰完整、无遮挡。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[437.5,297.2,478.1,372.2],"positive_points":[[457,333.3],[449.2,322.2],[464.1,323.6],[452.3,358.3],[470.3,340.3],[457.8,306.9]],"negative_points":[[456.3,241.7],[484.4,333.3],[546.9,320.8],[456.3,431.9]],"evidence":"目标是风扇按钮下方、Play按钮上方的青色圆形爱心按钮。边界框紧贴圆形按钮的可见范围，包含内部深色爱心；正点分布于爱心和青色按钮表面，负点位于外部背景及邻近风扇、书本和Play按钮上。"}},{"name":"Clapperboard button","description":"A small cyan circular control above the overlapping-pages area, containing a dark film clapperboard.","membership":"Includes the circle and its clapperboard icon.","id":"obj_018","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是重叠页面按钮上方、内含深色电影场记板图标的小青色圆形按钮。首次完整出现于2.25秒，最后符合条件的帧为3.00秒；此前2.00秒帧中尚未出现该按钮，之后3.25秒已切换为活动信息界面，目标消失。选择3.00秒作为关键帧，因为圆形边界与场记板图标清晰完整、无遮挡。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[620.3,45.8,660.9,112.5],"positive_points":[[632.8,61.1],[648.4,61.1],[628.9,83.3],[640.6,79.2],[650.8,90.3],[639.1,101.4]],"negative_points":[[689.8,79.2],[552.3,290.3],[602.3,43.1],[664.8,183.3]],"evidence":"目标是图像上方、叠页按钮右上方带深色场记板图标的小青色圆形按钮。边界框紧贴整个圆形按钮，包含内部图标；六个正点分布在圆面及图标上，四个负点位于外围背景和邻近的音符、叠页及标签按钮上。"}},{"name":"Musical note button","description":"A small light-blue circular control beside the clapperboard, containing a single dark musical note.","membership":"Includes the circular button and note. Excludes the larger music collection button.","id":"obj_019","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.75,"evidence":"目标是画面上方、场记板按钮右侧的浅蓝色圆形按钮，内部为单个深色音符，不是左侧较大的音乐收藏按钮。首次完整出现于2.25秒，最后一个符合条件的采样帧为3.00秒；前一帧2.00秒尚未显示该按钮，后一帧3.25秒已切换为活动页面。选择2.75秒作为关键帧，按钮轮廓和音符清楚，无遮挡。","start_frame":54,"end_frame":78,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[670.3,43.1,710.2,112.5],"positive_points":[[688,57],[678,72],[681,94],[690,78],[701,82],[695,99]],"negative_points":[[640,78],[752,107],[734,210],[224,256]],"evidence":"目标位于图像上方、场记板按钮右侧，是含单个深色音符的浅蓝色圆形按钮。边界框紧贴整个圆形按钮，正点分布在按钮表面及音符上；负点位于场记板、双向箭头、下方其他控件以及左侧较大的音乐集合按钮上。"}},{"name":"Ellipsis tag button","description":"A cyan rounded rectangle above the purple send-symbol pill, displaying a left-pointing tag-like shape with three dots.","membership":"Includes the rectangular button, enclosed tag-like symbol, and its dots.","id":"obj_020","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是紫色发送符号胶囊上方的青色圆角矩形按钮，内部为朝左的标签状图标和三个点。首个符合条件的帧为2.25秒，按钮边界及内部符号已完整呈现；最后一帧为3.00秒。相邻的2.00秒帧尚未出现该按钮，3.25秒帧已切换到活动页面，目标消失。选择3.00秒作为关键帧，目标清晰、无遮挡，且与下方紫色按钮的位置关系明确。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[621.9,133.3,710.2,243.1],"positive_points":[[634.4,155.6],[695.3,156.9],[665.6,187.5],[635.2,220.8],[693.0,219.4],[683.6,188.9]],"negative_points":[[664.1,320.8],[640.6,79.2],[591.4,186.1],[752.3,234.7]],"evidence":"目标是紫色发送符号胶囊上方的青色圆角矩形，内部有朝左的标签形符号及三个点。边界框紧贴整个按钮，正点分布于按钮表面及标签符号，负点位于周围独立的发送、场记板、游泳和 Entrance 按钮上。"}},{"name":"Opposing arrows button","description":"A cyan rounded-square control near the upper right, containing two horizontal arrows pointing in opposite directions.","membership":"Includes the button surface, boundary, and both arrows.","id":"obj_021","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是画面右上方、搜索按钮左侧的青色圆角方形按钮，内部有上下排列、方向相反的两支水平箭头。首个完整呈现帧为2.25秒，最后合格帧为3.00秒；前一帧2.00秒尚未出现该按钮，后一帧3.25秒已切换为活动详情页面，目标消失。选择3.00秒作为关键帧，因为按钮边界及两支箭头清晰、无遮挡。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[720.3,41.7,795.3,175],"positive_points":[[739,68],[769,89],[748,129],[780,145],[738,153],[781,65]],"negative_points":[[835,108],[690,79],[787,236],[748,17]],"evidence":"目标是右上方、搜索按钮左侧的青色圆角方形按钮，内含方向相反的两条水平箭头。边界框紧贴整个按钮，包含表面、边缘及双箭头；正点分布在按钮表面和箭头上，负点位于相邻搜索、音乐、Entrance控件及上方外部区域。"}},{"name":"Search button","description":"A cyan upright rounded button beside the opposing arrows, containing a magnifying glass.","membership":"Includes the button and the complete magnifying-glass graphic.","id":"obj_022","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是画面右上方、双向箭头按钮右侧的青色竖向圆角按钮，内含完整放大镜图案。首个符合条件的帧为2.25秒，按钮及图案均已完整呈现；最后一帧为3.00秒。此前2.00秒帧尚未出现该按钮，之后3.25秒帧已切换到活动详情界面，目标消失。选择3.00秒作为关键帧，因为按钮边界和放大镜清晰、无遮挡，且与相邻按钮易于区分。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[806.3,43.1,866.4,175],"positive_points":[[837,60],[815.6,97.2],[827.3,90.3],[845.3,126.4],[828.1,155.6],[859.4,105.6]],"negative_points":[[759.4,109.7],[923.4,80.6],[801.6,237.5],[903.1,212.5]],"evidence":"目标是图像右上方、双向箭头右侧的青色竖向圆角搜索按钮。边界框紧贴按钮外缘，包含完整放大镜图形；六个正点分布于按钮表面及放大镜上，四个负点位于相邻箭头、Format、Entrance及游戏手柄按钮上。"}},{"name":"Format button","description":"A light-blue horizontal rounded rectangle near the top-right corner, labeled “Format” beside an underlined letter A.","membership":"Includes the complete button surface, boundary, label, and formatting icon.","id":"obj_023","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是右上角浅蓝色圆角横向按钮，包含带下划线的字母 A 和“Format”标签。首次完整出现于 2.25 秒，最后符合条件的帧为 3.00 秒。前一帧 2.00 秒尚未显示该按钮；后一帧 3.25 秒已切换至活动详情界面，目标消失。选择 3.00 秒作为关键帧，按钮边界、文字和图标清晰完整且无遮挡。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[875,39,993.75,127.8],"positive_points":[[886.7,72.2],[906.3,83.3],[933.6,83.3],[968.8,81.9],[981.3,106.9],[922.7,109.7]],"negative_points":[[910.2,16.7],[838.3,101.4],[903.1,202.8],[963.3,179.2]],"evidence":"目标位于右上角，是带下划线字母A及“Format”标签的浅蓝色圆角按钮。边框紧贴完整按钮表面与边界；正点分布在按钮底色、图标和文字上，负点位于上方背景及邻近的搜索、游戏和回形针按钮上。"}},{"name":"Entrance button","description":"A light-blue pill below the arrows and search controls, labeled “Entrance” beside a lightbulb.","membership":"Includes the pill, lightbulb icon, and label.","id":"obj_024","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是箭头和搜索控件下方的浅蓝色胶囊按钮，内含灯泡图标及“Entrance”文字。首个完整出现的采样帧为2.25秒，最后一个为3.00秒；前一帧2.00秒尚未显示该按钮，后一帧3.25秒已切换到活动页面，目标消失。选择3.00秒作为关键帧，因为按钮边界、图标和标签清晰且无遮挡。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[722,194,853,283],"positive_points":[[740,237],[754,239],[779,239],[818,239],[801,264],[763,210]],"negative_points":[[758,112],[837,105],[901,211],[744,341]],"evidence":"目标是箭头与搜索控件下方、带灯泡图标和“Entrance”文字的浅蓝色胶囊按钮。边界框紧贴完整按钮，包含底色、图标与标签；正点分布在这些内容上，负点位于上方箭头和搜索按钮、右侧游戏按钮及下方自行车按钮上。"}},{"name":"Game controller button","description":"A cyan circular control near the right edge, containing a dark gamepad with contrasting controls.","membership":"Includes the circular button and all parts of its gamepad graphic.","id":"obj_025","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是画面右上方靠近右边缘的青色圆形按钮，内有深色游戏手柄及对比色按键。首个完整呈现帧为2.25秒，最后 qualifying 帧为3.00秒；此前2.00秒未见完整手柄按钮，此后3.25秒已切换为活动信息界面，目标消失。选择3.00秒作为关键帧，按钮轮廓和手柄图案清晰且无遮挡。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[864.1,141.7,944.5,284.7],"positive_points":[[903.9,159.7],[878.1,198.6],[903.9,209.7],[925,223.6],[889.1,251.4],[910.9,266.7]],"negative_points":[[834.4,113.9],[929.7,79.2],[917.2,368.1],[964.1,254.2]],"evidence":"目标是右侧靠近边缘、内含深色游戏手柄的青色圆形按钮。边界框紧贴整个圆形按钮，包含手柄及其控制符号；正点分布在按钮表面和手柄图形上，负点位于周围独立的搜索、Format、Ring及文件夹控件上。"}},{"name":"Paperclip button","description":"A small vertical cyan pill at the right side of the montage, containing a paperclip symbol.","membership":"Includes the pill and enclosed paperclip.","id":"obj_026","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.75,"evidence":"目标是图标拼贴右侧、文件夹按钮上方的竖向青色胶囊，内部有回形针符号。首个完整呈现帧为2.25秒，最后一个符合条件的帧为3.00秒。此前2.00秒帧未完整显示该按钮；之后3.25秒已切换为活动详情界面，目标消失。选择2.75秒作为关键帧，因为胶囊边界及回形针符号清晰且无遮挡。","start_frame":54,"end_frame":78,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[951.6,144.4,975,208.3],"positive_points":[[960.9,152.8],[968.8,161.1],[956.3,169.4],[964.1,180.6],[957.8,193.1],[966.4,198.6]],"negative_points":[[939.8,176.4],[984.4,175],[963.3,252.8],[960.9,113.9]],"evidence":"目标是���像右侧、文件夹按钮上方的青色竖向胶囊按钮，内含回形针符号。边界框紧贴整个胶囊；正点分布在青色表面及回形针上，负点位于周围背景和相邻的游戏手柄、文件夹及 Format 按钮上。"}},{"name":"Folder button","description":"A small vertical cyan pill directly below the paperclip button, containing a dark folder.","membership":"Includes the pill surface, boundary, and folder icon.","id":"obj_027","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.75,"evidence":"目标是画面右上方、回形针按钮正下方的小型竖向青色胶囊按钮，内含深色文件夹图标。首个合格帧为2.25秒，按钮表面、边界及图标均完整可见；最后合格帧为3.00秒。此前2.00秒的画面尚未显示该按钮，此后3.25秒已切换到活动详情界面，目标消失。选择2.75秒作为关键帧，按钮形状清晰、无遮挡，且与上方回形针按钮的位置关系明确。","start_frame":54,"end_frame":78,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[951.6,223.6,975,287.5],"positive_points":[[963.3,231.9],[957.8,244.4],[963.3,255.6],[970.3,258.3],[959.4,273.6],[965.6,279.2]],"negative_points":[[963.3,175],[908.6,213.9],[985.2,250],[962.5,302.8]],"evidence":"目标是图像右侧、回形针按钮正下方的青色竖向胶囊按钮，内有深色文件夹图标。边界框紧贴整个按钮，包含表面、边界和图标；正点分布在按钮上下部及文件夹图标上，负点位于上方回形针、左侧游戏手柄和按钮外的背景。"}},{"name":"Ring button","description":"A broad cyan rounded rectangle on the right, labeled “Ring” beside a ringing bell.","membership":"Includes the button, label, bell, and the bell icon’s ringing marks.","id":"obj_028","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是右侧带“Ring”文字、铃铛及振铃线的宽青色圆角按钮。2.25秒首次完整出现，虽有倾斜但按钮及所有指定成员均已建立；最后 qualifying 帧为3.00秒。此前2.00秒画面尚未显示该按钮，之后3.25秒已切换为活动详情界面，目标消失。选择3.00秒作为关键帧，因为按钮轮廓、文字和振铃图标清晰且无遮挡。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[822.7,294.4,994.5,455.6],"positive_points":[[843.8,338.9],[873.4,366.7],[935.2,381.9],[972.7,369.4],[955.5,423.6],[847.7,404.2]],"negative_points":[[793,338.9],[901.6,223.6],[935.2,488.9],[804.7,473.6]],"evidence":"目标是图像右侧带铃铛、振铃线和“Ring”文字的宽青色圆角按钮。边界框紧贴整个按钮的可见外缘；正点分布于按钮底色、铃铛及文字，负点位于外部背景和邻近的水滴、游戏手柄及键盘按钮上。"}},{"name":"Droplet button","description":"A small cyan circular control beside the cycling button, containing an outlined droplet with a dark interior section.","membership":"Includes the circular button and complete droplet graphic.","id":"obj_029","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是骑行按钮右侧的小型青色圆形按钮，内含带深色填充部分的水滴轮廓。首个完整呈现帧为2.25秒，最后合格帧为3.00秒；此前2.00秒对应控件仍在画面右边缘被裁切，之后3.25秒已切换到活动报名界面，目标消失。选择3.00秒作为关键帧，按钮形状清晰、无遮挡，且与旁边的骑行按钮容易区分。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[773.4,304.2,814.1,375],"positive_points":[[793,318],[782,335],[785,357],[802,356],[806,333],[794,342]],"negative_points":[[742,341],[820,390],[770,433],[793,240]],"evidence":"目标是骑行按钮右侧、铃声按钮左侧的青色圆形水滴按钮。边界框紧贴圆形按钮，包含完整水滴图案；正点分布在圆形底面和水滴上，负点位于骑行按钮、下方盾牌按钮、上方入口按钮及右下方外部背景。"}},{"name":"Shield button","description":"A small cyan horizontal pill below the cycling and droplet controls, containing a shield with a check mark.","membership":"Includes the pill and its shield-and-check icon.","id":"obj_030","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是骑行与水滴控件下方、带盾牌勾选图标的小型青色横向胶囊按钮。首个合格帧为2.25秒，按钮及图标已完整呈现；最后合格帧为3.00秒。此前2.00秒帧中尚未出现该按钮，之后3.25秒已切换到活动详情界面，目标消失。选择3.00秒作为关键帧，因为按钮轮廓和盾牌勾选图标清晰、无遮挡。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[735.9,394.4,806.3,463.9],"positive_points":[[746,429],[755,414],[770,430],[787,414],[794,438],[761,450]],"negative_points":[[742,341],[794,341],[779,546],[717,433]],"evidence":"目标是骑行和水滴控件下方、带盾牌勾选图标的青色横向胶囊按钮。边界框紧贴整个胶囊，包含按钮表面及图标；正点分布在胶囊各处和盾牌上，负点位于上方骑行、水滴按钮、下方齿轮按钮及左侧外部背景。"}},{"name":"Settings button","description":"A light-blue rounded control below the shield, containing a dark gear.","membership":"Includes the complete button surface, boundary, and gear icon.","id":"obj_031","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是盾牌按钮下方、内含深色齿轮的浅蓝色圆角设置按钮。首个合格帧为2.25秒，按钮表面、边界及齿轮均完整可见；最后合格帧为3.00秒。此前2.00秒帧中尚未出现该按钮，此后3.25秒已切换至活动信息页面，目标消失。选择3.00秒作为关键帧，因为按钮轮廓清晰、无遮挡，且与上方盾牌及右侧标签按钮易于区分。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[735.2,484.7,823.4,612.5],"positive_points":[[754.7,523.6],[795.3,509.7],[779.7,547.2],[755.5,577.8],[803.1,577.8],[812.5,545.8]],"negative_points":[[770.3,430.6],[665.6,501.4],[871.9,534.7],[781.3,680.6]],"evidence":"目标是盾牌按钮下方、内含深色齿轮的浅蓝色圆角按钮。边界框紧贴完整按钮表面及外缘；正点分布在按钮各部位和齿轮上，负点位于外部的盾牌、闪电、标签及下方大型蓝色控件上。"}},{"name":"Price tag button","description":"A light-blue rounded control to the right of Settings, containing a dark tag with a small hole.","membership":"Includes the button and enclosed tag graphic.","id":"obj_032","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是 Settings 齿轮按钮右侧的浅蓝色圆角控件，内含带小孔的深色价格标签图标。首个合格帧为 2.25 秒，按钮及图标均已完整呈现；最后合格帧为 3.00 秒。此前 2.00 秒帧中未见该目标，此后 3.25 秒已切换为活动详情界面，目标消失。选择 3.00 秒作为关键帧，因按钮轮廓清晰、无遮挡，且与左侧齿轮按钮易于区分。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[835,465,912,610],"positive_points":[[870,485],[847,519],[871,538],[898,538],[888,576],[862,580]],"negative_points":[[779,547],[949,493],[870,633],[902,375]],"evidence":"目标是设置齿轮右侧、内含深色价格标签图标的浅蓝色圆角按钮。边界框紧贴整个按钮，包含标签图形；正点分布于按钮表面和标签上，负点位于相邻设置按钮、棋盘图标按钮、下方大按钮及上方 Ring 按钮，均在目标外。"}},{"name":"Calendar button","description":"A small tilted cyan rounded rectangle at the far right, containing a calendar symbol with a grid of contrasting marks.","membership":"Includes the rounded button and calendar icon, following the button’s changing orientation.","id":"obj_033","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.75,"evidence":"目标是画面最右侧带日历网格图标的小型青色圆角矩形按钮，按钮随动画倾斜转动。首个完整呈现的采样帧为2.25秒，最后一个为3.00秒；此前2.00秒帧中尚未出现该按钮，此后3.25秒已切换为活动详情界面，目标消失。选择2.75秒作为关键帧，按钮边界和日历图标清楚可见，且无遮挡。","start_frame":54,"end_frame":78,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[920.3,455.6,977.3,531.9],"positive_points":[[929.7,486.1],[937.5,512.5],[949.2,486.1],[955.5,501.4],[965.6,476.4],[968.8,502.8]],"negative_points":[[946.1,416.7],[946.1,581.9],[873.4,534.7],[909.4,472.2]],"evidence":"目标是图像最右侧、Ring按钮下方的倾斜青色圆角日历按钮。边界框紧贴整个按钮，包含内部日历网格图标；六个正点分布于按钮表面和图标上，四个负点位于上方Ring按钮、下方条纹按钮、左侧标签按钮及外部背景。"}},{"name":"Striped symbol button","description":"A small tilted light-blue rounded rectangle beneath the calendar, containing a dark rounded symbol divided by light diagonal stripes.","membership":"Includes the button and its complete striped graphic.","id":"obj_034","temporal":{"status":"found","start_s":2.5,"end_s":3.25,"reference_s":3.0,"evidence":"目标是日历按钮下方倾斜的浅蓝色圆角矩形，内含被浅色斜条纹分隔的深色圆润图案。首个完整呈现帧为2.50秒，最后为3.00秒；此前2.25秒按钮右侧仍被画面边界裁切，此后3.25秒已切换到活动页面，目标消失。选择3.00秒作为关键帧，按钮及条纹图案完整清晰、无遮挡。","start_frame":60,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[917.97,541.67,974.22,620.83],"positive_points":[[934.38,558.33],[960.16,566.67],[944.53,581.94],[927.34,586.11],[945.31,604.17],[965.63,591.67]],"negative_points":[[950,491.67],[982.81,588.89],[942.97,666.67],[871.09,536.11]],"evidence":"目标位于图像右侧日历按钮下方，是内含深色斜条纹图形的倾斜浅蓝色圆角按钮。边界框紧贴整个按钮，包含完整条纹图形；正点分布在按钮表面和图形上，负点位于上方日历、左侧标签按钮、右侧背景及下方青色区域。"}},{"name":"Flag button","description":"A cyan rounded control at the left of the montage beside the video camera button, containing a dark flag on a pole.","membership":"Includes the button surface, boundary, and flag graphic.","id":"obj_035","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.75,"evidence":"目标是蒙太奇左侧、摄像机按钮左边的青色圆角按钮，内含深色旗杆和旗帜图形。首次完整出现于2.25秒，最后符合条件的帧为3.00秒；前一帧2.00秒尚未显示该按钮，后一帧3.25秒已切换到活动报名界面，目标消失。选择2.75秒作为关键帧，因为按钮边界和旗帜图形清晰完整，无遮挡。","start_frame":54,"end_frame":78,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[12.5,401.4,111.7,541.7],"positive_points":[[57,421],[26,467],[64,525],[99,475],[51,479],[73,463]],"negative_points":[[191,500],[115,659],[116,376],[54,631]],"evidence":"目标是画面左侧、摄像机按钮左边的青色圆角旗帜按钮。边界框紧贴按钮完整外缘，包含青色表面与深色旗杆、旗面。正点分布在按钮表面及旗帜图案上；负点位于右侧摄像机按钮、下方地图和电池按钮，以及目标外的浅色背景。"}},{"name":"Battery add button","description":"A large cyan vertical rounded control partly cropped at the left edge, showing a battery with a plus sign.","membership":"Includes the visible button surface and the battery-and-plus icon. Excludes adjacent smaller controls.","id":"obj_036","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是左边缘部分裁切的大型青色竖向圆角按钮，内有电池及加号，不包括右侧小控件；该裁切符合目标描述。首个合格帧为2.25秒，最后为3.00秒，按钮表面和图标均已完整呈现于其可见区域。前一帧2.00秒尚未出现该按钮，后一帧3.25秒已切换至活动页面，目标消失。选择3.00秒作为关键帧，按钮轮廓和电池加号清晰，易与邻近控件区分。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[0,569.4,85.9,815.3],"positive_points":[[16,604],[58,628],[24,681],[36,718],[59,761],[16,790]],"negative_points":[[115,658],[61,474],[150,782],[69,880]],"evidence":"目标是图像左侧被裁切的大型青色竖向圆角按钮，内有电池和加号。边界框覆盖可见按钮表面及图标；六个正点分布于表面、电池和加号，四个负点位于相邻的地图、旗帜、Animate及下方小按钮上。"}},{"name":"Map button","description":"A narrow cyan upright pill beside the battery control, containing a folded-map symbol.","membership":"Includes the pill and its folded-map icon.","id":"obj_037","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.75,"evidence":"目标是电池加号控件右侧、Send按钮左侧的窄竖向青色胶囊，内部有折叠地图图标。首次完整出现于2.25秒，至3.00秒仍完整可见；前一帧2.00秒尚未显示该按钮，后一帧3.25秒已切换为活动详情界面，目标消失。选择2.75秒作为关键帧，按钮边界和地图图标清晰且无遮挡。","start_frame":54,"end_frame":78,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[95.31,587.5,135.94,729.17],"positive_points":[[114.06,608.33],[104.69,629.17],[113.28,656.94],[125,672.22],[107.81,695.83],[115.63,713.89]],"negative_points":[[65,670],[185,673],[161,783],[290,660]],"evidence":"目标位于图像左下区域、电池控件右侧，是带折叠地图图标的青色竖向胶囊按钮。边界框紧贴完整胶囊，包含其表面和地图图标；正点分布于按钮上、中、下部及图标，负点位于外部的电池、Send、Animate和月亮控件上。"}},{"name":"Send button in montage","description":"A cyan horizontal pill below the video camera control, labeled “Send” beside a right-pointing send symbol.","membership":"Includes the pill, label, and send graphic. Excludes the later email toolbar’s Send control.","id":"obj_038","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是图标蒙太奇中摄像机控件下方的青色横向胶囊按钮，包含右指发送图标及“Send”文字。首个完整呈现帧为2.25秒，最后合格帧为3.00秒；此前2.00秒尚未显示该按钮，此后3.25秒已切换为活动信息界面。选择3.00秒作为关键帧，按钮轮廓、文字和图标清晰且无遮挡，并非后续邮件工具栏的Send控件。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[146.1,629.2,250.8,716.7],"positive_points":[[159,670],[176,674],[203,674],[232,674],[193,646],[193,699]],"negative_points":[[194,548],[280,663],[115,658],[171,780]],"evidence":"目标是视频摄像机控件下方、带右指发送图标和“Send”文字的青色横向胶囊按钮。边界框紧贴整个按钮，包含底色、文字与图标；正点分布在按钮表面及图文上，负点位于外部的摄像机、月亮、地图和 Animate 控件上。"}},{"name":"Moon button","description":"A small cyan circular control between the montage’s Send and airplane buttons, containing a crescent moon.","membership":"Includes the circle and enclosed crescent.","id":"obj_039","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是图标蒙太奇中位于 Send 按钮与飞机按钮之间、内含深色月牙的小青色圆形按钮。首次完整出现于 2.25 秒，最后合格帧为 3.00 秒；此前 2.00 秒帧尚未显示该按钮，此后 3.25 秒已切换到活动信息界面，目标消失。选择 3.00 秒作为关键帧，因为圆形边界和月牙清晰完整、无遮挡，且相邻按钮便于辨认。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[260.9,627.8,301.6,693.1],"positive_points":[[268.8,651.4],[278.1,638.9],[292.2,647.2],[293.8,668.1],[279.7,679.2],[273.4,662.5]],"negative_points":[[238.3,670.8],[337.5,662.5],[281.3,712.5],[280.5,604.2]],"evidence":"目标是 Send 与飞机按钮之间、带新月图案的小型青色圆形按钮。边界框紧贴整个圆形按钮，包含内部新月；正点分布在圆面和新月上，负点位于左右相邻按钮及上下外部区域。"}},{"name":"Animate button","description":"A light-blue horizontal pill below the montage’s Send button, labeled “Animate” beside sparkles.","membership":"Includes the pill, label, and sparkle icon.","id":"obj_040","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.75,"evidence":"目标是图标按钮拼贴中位于“Send”下方、带闪光图标和“Animate”文字的浅蓝色横向胶囊按钮。首个完整呈现帧为2.25秒，最后一个为3.00秒，期间按钮整体与文字图标均清晰可见。此前2.00秒帧尚未出现该按钮；此后3.25秒已切换为活动详情界面，目标消失。选择2.75秒作为关键帧，按钮边界清楚、无遮挡，便于标注。","start_frame":54,"end_frame":78,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[96.1,738.9,221.9,826.4],"positive_points":[[108.6,777.8],[128.9,784.7],[153.1,779.2],[190.6,783.3],[203.1,804.2],[146.1,809.7]],"negative_points":[[193.8,676.4],[171.9,895.8],[114.8,663.9],[293,812.5]],"evidence":"目标是 Send 按钮下方、带闪光图标和“Animate”文字的浅蓝色横向胶囊按钮。边界框紧贴完整胶囊，包含文字和图标；六个正点分布在按钮表面、图标及文字上，四个负点位于外部的 Send、地图、树形和回退按钮上。"}},{"name":"Square five-second rewind button","description":"A cyan rounded square in the lower-left-center of the montage, showing a counterclockwise arrow around “5.”","membership":"Includes the square button and its rewind symbol. Excludes the separate light-blue rewind pill beside Play.","id":"obj_041","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是图标蒙太奇左下偏中的青色圆角方形按钮，内有环绕“5”的逆时针箭头；区别于 Play 左侧的浅蓝色倒退胶囊。首个完整呈现帧为2.25秒，最后合格帧为3.00秒。前一帧2.00秒尚未出现该方形按钮，后一帧3.25秒已切换到活动页面，目标消失。选择3.00秒作为关键帧，因为按钮形状及符号清晰完整、无遮挡。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[232.8,725,354.7,937.5],"positive_points":[[250.8,763.9],[330.5,762.5],[293,833.3],[253.9,883.3],[328.1,895.8],[313.3,808.3]],"negative_points":[[323.4,497.2],[168,787.5],[394.5,855.6],[182,891.7]],"evidence":"目标是图像左下偏中的青色圆角方形按钮，中央为逆时针箭头环绕数字5。边界框紧贴整个按钮，正点分布于按钮表面及回退符号；负点位于Play旁独立的浅蓝回退胶囊、Animate按钮、紫色闪电按钮和树形按钮上。"}},{"name":"Tree button","description":"A cyan rounded rectangular control near the lower-left edge, containing a dark evergreen tree.","membership":"Includes the button and enclosed tree silhouette.","id":"obj_042","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.75,"evidence":"目标是画面左下方的青色圆角矩形按钮，内部为深色常青树剪影。首次完整出现于2.25秒，最后一个符合条件的帧为3.00秒；此前2.00秒帧中尚未出现该按钮，随后3.25秒已切换为活动详情界面，目标消失。选择2.75秒作为关键帧，按钮边界和树形图标清晰完整，无遮挡。","start_frame":54,"end_frame":78,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[134.4,843.1,222.7,952.8],"positive_points":[[148.4,866.7],[206.3,868.1],[178.1,898.6],[147.7,925],[207,929],[184.4,937.5]],"negative_points":[[113.3,898.6],[169.5,786.1],[255.5,883.3],[228,974]],"evidence":"目标是图像左下方、Animate按钮下方的青色圆角矩形树形按钮。边界框紧贴整个按钮，包含深色常青树图标；正点分布在按钮表面及树形上，负点位于左侧、上方和右侧其他控件及右下方外部背景。"}},{"name":"Bending arrow button","description":"A small cyan rounded square left of the tree control, containing a dark diamond-shaped sign with a contrasting bending arrow.","membership":"Includes the rounded button and its complete sign-and-arrow graphic.","id":"obj_043","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是树形控件左侧的小型青色圆角方按钮，内有深色菱形路牌及浅色转弯箭头。首个完整呈现帧为2.25秒，最后 qualifying 帧为3.00秒；此前2.00秒尚未显示该按钮，此后3.25秒已切换为活动信息界面，目标消失。选择3.00秒作为关键帧，按钮轮廓和内部图案清晰完整、无遮挡。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[49.2,845.8,89.1,915.3],"positive_points":[[54.7,860.0],[81.3,859.7],[56.3,901.4],[81.3,900.0],[68.8,875.0],[68.8,888.9]],"negative_points":[[39.1,819.4],[111.7,881.9],[177.3,897.2],[71.1,936.1]],"evidence":"目标是图像左下方、树形按钮左侧的青色圆角小方按钮，内部有深色菱形路牌及转弯箭头。边界框紧贴整个按钮，包含完整图案；正点覆盖按钮表面及路牌箭头，负点位于外部背景、右侧相邻小按钮和树形控件上。"}},{"name":"Umbrella button","description":"A very narrow cyan pill between the bending-arrow and tree buttons, containing a small umbrella symbol.","membership":"Includes the pill and enclosed umbrella icon.","id":"obj_044","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标位于画面左下方，是弯箭头按钮与树形按钮之间、内含小雨伞图标的细窄青色胶囊按钮。首个符合条件的帧为2.25秒，按钮及图标已完整显示；最后一帧为3.00秒。此前2.00秒帧中尚未出现该按钮，之后3.25秒已切换到活动页面，目标消失。选择3.00秒作为关键帧，按钮轮廓与图标清晰且无遮挡。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[100.8,851.4,123.4,915.3],"positive_points":[[110,860],[117,870],[105,880],[112,886],[117,899],[109,905]],"negative_points":[[69,881],[177,895],[129,881],[112,945]],"evidence":"目标是左下方弯箭头按钮与树形按钮之间、带小雨伞图标的窄青色胶囊。边界框紧贴整个胶囊，包含内部图标；正点分布在胶囊表面及雨伞图标上，负点位于相邻按钮和外部浅色背景。"}},{"name":"Muted sound button","description":"A small cyan horizontal rounded control below Fix, containing a slashed sound-related symbol.","membership":"Includes the button surface and the entire enclosed symbol, including its diagonal slash.","id":"obj_045","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是 Fix 下方的小型青色横向圆角按钮，包含完整的声音相关符号及其斜杠。首个合格帧为 2.25 秒，末个为 3.00 秒，按钮表面和内部符号均完整可见。此前紧邻的 2.00 秒帧中尚未出现该按钮；此后 3.25 秒已切换为活动信息界面，目标消失。选择 3.00 秒作为关键帧，因为按钮轮廓清晰、无遮挡，且与上方 Fix 的位置关系明确。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[367.2,738.9,420.3,804.2],"positive_points":[[375.8,765.3],[384.4,751.4],[403.9,752.8],[410.2,772.2],[401.6,790.3],[391.4,773.6]],"negative_points":[[422.7,681.9],[448.4,772.2],[394.5,859.7],[355.5,776.4]],"evidence":"目标是 Fix 下方、列车按钮左侧的青色横向圆角按钮，内含带斜杠的声音相关符号。边框紧贴按钮可见外缘，包含按钮表面及完整符号；六个正点分布于表面、符号和斜杠，四个负点位于邻近的 Fix、列车、紫色闪电按钮及左侧背景。"}},{"name":"Train button","description":"A small cyan circular control beside the muted sound button, displaying the front of a train.","membership":"Includes the circular button and train icon.","id":"obj_046","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是静音按钮右侧、带火车正面图标的小型青色圆形按钮。首个完整呈现帧为2.25秒，最后一个符合条件的帧为3.00秒；此前2.00秒的画面中尚未出现该按钮，此后3.25秒已切换至活动报名界面。选择3.00秒为关键帧，因为按钮轮廓及火车图标清晰，且无遮挡。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[430.5,738.9,466.4,802.8],"positive_points":[[441.4,751.4],[453.9,752.8],[436.7,769.4],[448.4,769.4],[459.4,779.2],[446.1,791.7]],"negative_points":[[393,769.4],[525.8,708.3],[476.6,811.1],[449.2,713.9]],"evidence":"目标是图像下部中央、静音按钮右侧带列车正面图标的小青色圆形按钮。边界框紧贴完整圆形按钮，包含列车图标；六个正点分布在按钮表面及图标上，四个负点位于左侧静音按钮、右上相机按钮及圆形按钮外的浅色背景。"}},{"name":"Small purple lightning button","description":"A small lavender horizontal pill below the muted sound control, containing a dark lightning bolt.","membership":"Includes the pill and bolt. Excludes the much larger cyan lightning button beside Play.","id":"obj_047","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是静音控件下方、内含深色闪电的小型薰衣草紫色横向胶囊按钮，不是 Play 右侧的大型青色闪电按钮。首个合格帧为 2.25 秒，末个为 3.00 秒，期间按钮及闪电均完整可见。前一帧 2.00 秒尚未出现该按钮；后一帧 3.25 秒已切换为活动页面，目标消失。选择 3.00 秒作为关键帧，因为按钮轮廓清晰、无遮挡且容易与大型闪电按钮区分。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[369,825,421,890],"positive_points":[[379,847],[391,838],[408,845],[412,865],[393,877],[395,854]],"negative_points":[[394,770],[665,502],[435,848],[359,911]],"evidence":"目标是静音控制下方、内含深色闪电的小薰衣草紫色横向胶囊按钮。边界框紧贴完整胶囊，包含底色和闪电；正点分布在按钮表面及闪电上，负点位于上方静音按钮、Play旁的大青色闪电按钮及外部背景。"}},{"name":"Camera switching button","description":"A light-blue circular control below and to the right of Fix, containing a camera with circular switching arrows.","membership":"Includes the circle and complete camera-and-arrows icon.","id":"obj_048","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是 Fix 按钮右下方的浅蓝色圆形控件，内部为带循环切换箭头的相机图标。首个合格帧为 2.25 秒，圆形与完整图标均已出现；此前 2.00 秒帧中尚无该控件。最后合格帧为 3.00 秒，随后 3.25 秒切换为活动详情界面，目标消失。选择 3.00 秒作为关键帧，因圆形边界和相机切换图标清晰，且无遮挡。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[480.5,629.2,571.1,788.9],"positive_points":[[525,708],[511,655],[548,678],[555,725],[531,766],[494,724]],"negative_points":[[426,674],[448,771],[605,663],[512,882]],"evidence":"目标是 Fix 右下方的浅蓝色圆形按钮，内有相机及循环切换箭头。边界框紧贴完整圆形外缘，包含按钮底色和全部图标；正点分布在图标及圆面各处，负点位于外部的 Fix、交通工具、小飞机和下方餐具按钮上。"}},{"name":"Airplane landing button","description":"A small cyan rounded control above and right of the camera switching button, containing a dark inset symbol depicting an airplane near a horizontal line.","membership":"Includes the complete button and its enclosed airplane graphic.","id":"obj_049","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是相机切换按钮右上方的小型青色圆角按钮，内含深色飞机靠近水平线的降落图形。首次完整出现于2.25秒，虽在运动但按钮及图形已完整；最后符合条件的帧为3.00秒。前一帧2.00秒尚未显示该按钮，后一帧3.25秒已切换为活动详情界面，目标消失。选择3.00秒作为关键帧，因为按钮轮廓和内部图形清晰且无遮挡。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[584.4,629.2,625,695.8],"positive_points":[[595.3,647.2],[610.9,648.6],[616.4,665.3],[609.4,680.6],[594.5,675],[603.1,662.5]],"negative_points":[[527.3,708.3],[574.2,613.9],[640.6,615.3],[644.5,766.7]],"evidence":"目标位于相机切换按钮的右上方，是内含深色飞机与横线图标的小型青色圆角按钮。边界框紧贴完整按钮，包含内部图标；六个正点分布在按钮表面及图标上，四个负点位于邻近相机按钮、外围背景和右下方大型青色控件上。"}},{"name":"Utensils button","description":"A large cyan circular control near the bottom center, containing crossed eating utensils.","membership":"Includes the visible circular surface, boundary, and crossed-utensil graphic, including portions revealed as it moves.","id":"obj_050","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是底部中央带交叉餐具图案的青色圆形按钮。首次符合条件的帧为2.25秒，圆面���餐具图案已出现，底部裁切属于该布局中持续保留的局部展示；最后一帧为3.00秒。此前2.00秒尚未显示该按钮，之后3.25秒已切换至活动详情页面。选择3.00秒作为关键帧，因为餐具图案清楚，圆形可见边界稳定，易于与其他按钮区分。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[441.4,801.4,581.3,1000],"positive_points":[[503.1,829.2],[460.9,888.9],[472.7,972.2],[533.6,977.8],[560.9,902.8],[508.6,920.8]],"negative_points":[[524.2,711.1],[618.8,887.5],[395.3,861.1],[436.7,794.4]],"evidence":"目标是底部中央带交叉餐具图案的大型青色圆形按钮。边界框覆盖可见圆面、边缘和餐具图案，下方按图像边界截断。六个正点分布在圆面及餐具上；负点位于上方相机按钮、右侧 Flex 按钮、左侧闪电按钮和圆外背景。"}},{"name":"Laboratory flask button","description":"A narrow cyan upright rounded control near the bottom edge, to the left of the utensils button, containing a dark laboratory flask.","membership":"Includes the visible button surface and flask icon.","id":"obj_051","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是餐具按钮左侧、画面底边附近的窄青色竖向圆角按钮，内有深色实验烧瓶。首个符合帧为2.25秒，最后为3.00秒；底部截断属于该构图的持续裁切。此前2.00秒尚未出现，之后3.25秒已切换为活动页面。选择3.00秒作为关键帧，此时烧瓶图标清晰，按钮位置稳定且容易区分。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[380.5,912.5,421.1,1000],"positive_points":[[396.1,927.8],[406.3,944.4],[389.1,954.2],[400,975],[391.4,991.7],[414.8,990.3]],"negative_points":[[394.5,852.8],[484.4,902.8],[363.3,951.4],[433.6,977.8]],"evidence":"目标是图像底边附近、餐具按钮左侧的窄竖向青色圆角按钮，内有深色实验烧瓶。边界框覆盖按钮及图标的全部可见部分，下缘止于图像边界。正点分布在按钮表面和烧瓶上；负点位于上方闪电按钮、右侧餐具按钮及两侧外部背景。"}},{"name":"Trophy button","description":"A small light-blue circular control near the upper-left area of the montage, containing a dark trophy.","membership":"Includes the circular button and trophy icon.","id":"obj_052","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":3.0,"evidence":"目标是按钮拼贴左上方内含深色奖杯图标的浅蓝色小圆形按钮。首次完整可见于2.25秒，最后合格帧为3.00秒；此前2.00秒帧中未见该按钮，此后3.25秒已切换为活动信息界面，目标消失。选择3.00秒作为关键帧，圆形边界与奖杯图标清晰且无遮挡。","start_frame":54,"end_frame":78,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[145.3,77.8,181.3,141.7],"positive_points":[[163.3,108.3],[155.5,95.8],[170.3,97.2],[154.7,119.4],[170.3,120.8],[163.3,130.6]],"negative_points":[[136.7,109.7],[187.5,120.8],[164.1,55.6],[216.4,248.6]],"evidence":"目标是图像左上方含深色奖杯的小型浅蓝圆形按钮。边界框紧贴整个圆形按钮，包含奖杯图标；正点分布在图标及按钮表面，负点位于圆外背景和下方另一音乐按钮上。"}},{"name":"Flex button","description":"An oversized cyan pill entering the lower-right portion of the montage, labeled “Flex” beside two dark vertical blocks of unequal widths.","membership":"Includes the visible filled pill, its curved boundary, both block shapes, and label. Excludes neighboring controls even where they nearly touch it.","id":"obj_053","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.75,"evidence":"目标是右下方超大的青色胶囊按钮，带“Flex”文字及两个宽度不同的深色竖块。首个合格帧为2.25秒，按钮自身结构与内容已完整建立；右侧和底部属于持续的构图裁切。最后合格帧为3.00秒。此前2.00秒尚无该按钮，此后3.25秒已切换到活动详情界面。选择2.75秒，因文字、双竖块及可见曲边清晰，便于与邻近控件区分。","start_frame":54,"end_frame":78,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[588,626.4,1000,1000],"positive_points":[[631,851],[729,698],[910,714],[722,858],[870,860],[814,973]],"negative_points":[[526,710],[513,908],[779,549],[945,578]],"evidence":"目标是右下方带“Flex”文字及两个不等宽深色竖块的超大青色胶囊按钮。边框覆盖其全部可见填充和曲线边界，右侧与底部止于图像边缘。正点分布于按钮表面、竖块和文字，负点位于外部相邻的相机、餐具、齿轮及条纹控件上。"}},{"name":"Event location text","description":"The event detail reading “Where” and “Alt Basement” at the upper left of the event screen; an external-link arrow initially sits beside the location.","membership":"Includes the location label and value as one text unit. Excludes the adjacent external-link graphic, background panel, and other event details.","id":"obj_054","temporal":{"status":"found","start_s":3.25,"end_s":4.75,"reference_s":4.5,"evidence":"目标是活动页面左上方的“Where / Alt Basement”文字组，不含旁边的外链箭头。首个符合帧为3.25秒，末个为4.50秒；标签上缘的裁切属于页面近景构图，并非入场中的未完成揭示。此前3.00秒为按钮拼贴，之后4.75秒已切换为邮件页面。选择4.50秒作关键帧，地点文字清晰，且与其他活动详情易于区分。","start_frame":78,"end_frame":114,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[110,0,364,134],"positive_points":[[116.4,12.5],[137.5,20.8],[115.6,112.5],[198.4,111.1],[283.6,111.1],[352.3,113.9]],"negative_points":[[128.1,273.6],[119.5,370.8],[390.6,125],[571.9,108.3]],"evidence":"目标是屏幕左上角的“Where”和“Alt Basement”两行位置文字。边框紧贴两行可见文字，顶部到达图像边缘；正点分布在两行字形笔画上，负点位于下方时间信息、右侧注册信息及外部蓝色背景，不包含其他图形。"}},{"name":"Registration status text","description":"The upper-right event detail reading “Registration” and “Open.”","membership":"Includes the label and status text together. Excludes the backing screen and neighboring text blocks.","id":"obj_055","temporal":{"status":"found","start_s":3.25,"end_s":4.75,"reference_s":4.5,"evidence":"目标是活动详情右上角的“Registration”和其下方“Open”文字组，不含背景及邻近信息。首个符合帧为3.25秒，末个为4.50秒；标签上缘的裁切属于页面取景，并非入场中的未完成揭示。期间字体和配色变化未改变文字组身份。前邻帧3.00秒仍为按钮拼贴，后邻帧4.75秒已切换为邮件页面。选择4.50秒作关键帧，文字清晰、对比鲜明，便于区分邻近文字。","start_frame":78,"end_frame":114,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[550.8,0,804.7,145.8],"positive_points":[[554.7,23.6],[665.6,20.8],[800,22.2],[554.7,108.3],[578.1,131.9],[631.3,116.7]],"negative_points":[[476,100],[852,108],[647,199],[701,276]],"evidence":"目标为右上方的“Registration”和下一行“Open”。边界框覆盖这两行全部可见文字，上边界贴合图像顶部的裁切处。六个正点分布于两行文字的字形笔画上；负点位于外围蓝色屏幕背景及下方相邻的主持人文字块上。"}},{"name":"Event time text","description":"The left-side event detail reading “When” and “10:30pm,” positioned above the attendance buttons.","membership":"Includes both lines of this label-and-value text unit. Excludes nearby animated musical notes and the screen surface.","id":"obj_056","temporal":{"status":"found","start_s":3.25,"end_s":4.75,"reference_s":4.0,"evidence":"目标是活动详情左侧、出席按钮上方的两行文字“When”和“10:30pm”，不含附近的音符。首个合格帧为3.25秒，最后为4.50秒；期间字体和配色变化，但该文字单元持续存在。前一帧3.00秒仍为图标展示，后一帧4.75秒已切换为邮件界面。选择4.00秒作为关键帧，两行文字清晰完整且无遮挡。","start_frame":78,"end_frame":114,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[105.5,241.7,254.7,400],"positive_points":[[108.6,251.4],[132,259.7],[172.7,280.6],[115.6,365.3],[179.7,345.8],[236.7,373.6]],"negative_points":[[290,320],[83,426],[569,266],[234,558]],"evidence":"目标是左侧出席按钮上方的“When”和“10:30pm”两行文字，边界框覆盖完整标签及时间值。六个正点分布在两行文字的字形笔画上；负点位于文字外的屏幕底色、右侧主持信息及下方Going按钮文字处，均不在目标内部空隙中。"}},{"name":"Host and guest count text","description":"A compact event information block above the right side of the attendance controls, reading “Hosted By Odette” and “78 Guests Going.”","membership":"Includes both lines of the host and attendance text block. Excludes the underlying panel and controls below.","id":"obj_057","temporal":{"status":"found","start_s":3.25,"end_s":4.75,"reference_s":4.0,"evidence":"目标是出席选项右上方的两行文字“Hosted By Odette”和“78 Guests Going”。首个完整可见帧为3.25秒，之后虽有字体和配色变化，两行文字始终完整，最后符合帧为4.50秒。前一帧3.00秒是图标按钮拼贴，尚无该文字块；后一帧4.75秒已切换为邮件界面，目标消失。选择4.00秒作为关键帧，因为两行文字清晰、无遮挡，且易与下方控件区分。","start_frame":78,"end_frame":114,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[551.6,240.3,894.5,401.4],"positive_points":[[555,265],[707,264],[771,264],[561,345],[619.5,364],[820.3,369.4]],"negative_points":[[507.8,312.5],[918,335],[785,562],[675,185]],"evidence":"目标是出席控制按钮上方的“Hosted By Odette”���“78 Guests Going”两行文字，边框紧贴完整文字块。六个正点分布在两行的字形笔画上；负点位于文字块左侧、右侧、上方的面板背景及下方按钮区域，排除面板和控件。"}},{"name":"Going attendance button","description":"The left attendance option labeled “Going,” initially shown with a check mark in an outlined segmented control, then with a musical note on a separate light button, and finally selected in dark teal.","membership":"Includes the complete left control surface, boundary, label, and enclosed status icon throughout its style changes. Excludes musical notes that float outside the button.","id":"obj_058","temporal":{"status":"found","start_s":3.25,"end_s":4.75,"reference_s":4.25,"evidence":"目标是出席选项中最左侧的“Going”按钮：3.25秒为带勾的描边分段控件，随后变为带音符的独立浅色按钮，最后呈深青色选中状态，属于同一按钮的连续样式变化。首个合格帧为3.25秒，最后为4.50秒；前一帧3.00秒仍是图标按钮拼贴，后一帧4.75秒已切换为邮件界面，目标消失。选择4.25秒作为关键帧，按钮表面、边界、标签及内部音符清晰完整，便于与旁边选项区分；不包括按钮外漂浮的音符。","start_frame":78,"end_frame":114,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[79,457,357,668],"positive_points":[[112,526],[166,566],[223,562],[284,570],[326,611],[174,638]],"negative_points":[[74,405],[251,719],[481,562],[776,565]],"evidence":"目标是左侧深青色选中状态的“Going”出席按钮。边界框紧贴完整圆角按钮，包含表面、文字和内部音符图标；正点分布于按钮表面、图标及标签区域，负点位于按钮外背景和右侧两个其他选项上。"}},{"name":"Not Going attendance button","description":"The middle attendance option labeled “Not Going,” changing from an outlined segment to a light rounded rectangle with a prohibition icon.","membership":"Includes the entire middle control surface, boundary, label, and enclosed icon. Excludes the neighboring attendance options.","id":"obj_059","temporal":{"status":"found","start_s":3.25,"end_s":4.75,"reference_s":4.0,"evidence":"目标是三个出席选项中间标有“Not Going”的控件，不包含两侧选项。首个合格帧为3.25秒，此时中间描边分段的表面、边界和文字已完整；随后连续变为带禁止图标的浅色圆角按钮，最后合格帧为4.50秒。前一帧3.00秒是图标按钮拼贴，尚无该出席控件；后一帧4.75秒已切换为邮件界面，目标消失。选择4.00秒作为关键帧，因为按钮边界、文字和禁止图标清晰完整且无遮挡。","start_frame":78,"end_frame":114,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[360,455,640,666],"positive_points":[[381,493],[411,560],[472,558],[583,567],[616,496],[548,632]],"negative_points":[[245,557],[788,559],[503,403],[501,718]],"evidence":"目标是三个出席选项中间标有“Not Going”并带禁止图标的浅色圆角按钮。边界框覆盖整个按钮表面、边界、文字和图标；正点分布在按钮内部各处，负点位于左右相邻按钮及上下方蓝色背景。"}},{"name":"Third attendance option","description":"The rightmost attendance control, initially labeled “Label,” then updated to “Maybe” with a circled question mark.","membership":"Includes the complete right control surface, boundary, and its current text and icon. Excludes the middle option and event background.","id":"obj_060","temporal":{"status":"found","start_s":3.25,"end_s":4.75,"reference_s":4.0,"evidence":"目标是出席选项中最右侧的完整控件：3.25秒标为“Label”，随后变为带圆圈问号的“Maybe”，属于同一控件的内容与外观变化。首个合格帧为3.25秒，最后合格帧为4.50秒；前一帧3.00秒仍是图标按钮拼贴，后一帧4.75秒已切换为邮件界面，目标消失。选择4.00秒作为关键帧，此时右侧控件表面、边界、文字和图标清晰完整，无遮挡。","start_frame":78,"end_frame":114,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[643.8,454.2,924.2,666.7],"positive_points":[[670,489],[723,560],[784,562],[850,569],[895,494],[874,627]],"negative_points":[[568,561],[788,415],[787,718],[948,559]],"evidence":"目标是最右侧带圈问号及“Maybe”文字的出席选项。边界框紧贴完整浅色圆角按钮，包含表面、边界、文字和图标。正点分布在按钮表面及文字图标上；负点位于中间“Not Going”选项和按钮外的蓝色背景。"}},{"name":"Email message text","description":"The message body in the final screen, beginning “Okay, legit, when you said you snagged tickets, I instantly got flashbacks to that LA show.” It remains visible as the interface changes from light to dark purple.","membership":"Includes the visible lines of the continuous message text block, including newly exposed lines. Excludes the screen background, overlaid toolbar, and home indicator.","id":"obj_061","temporal":{"status":"found","start_s":4.75,"end_s":6.0,"reference_s":5.0,"evidence":"目标是以“Okay, legit, when you said you snagged tickets”开头的邮件正文。首个合格帧为4.75秒，文本已完整呈现为连续正文块；此前4.50秒仍是活动报名界面，没有该正文。正文持续到最后采样帧5.75秒，期间界面由浅色变为深紫色，且下方更多行显露，仍为同一文本块。区间到达视频结尾6.0秒，无后续帧。选择5.00秒作为关键帧，因为文字清晰、对比度高，易与底部工具栏区分。","start_frame":114,"end_frame":144,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[104.7,30.6,894,526.4],"positive_points":[[108.6,55.6],[627.3,150],[108.6,244.4],[827.3,338.9],[676.6,433.3],[109.4,515.3]],"negative_points":[[39,417],[547,625],[748,647],[500,819]],"evidence":"根据以“Okay, legit”开头的正文识别目标。边界框覆盖所有可见正文行，包括底部被工具栏遮挡后仍露出的部分文字。正点分布在各行字形笔画上；负点位于左侧背景、底部工具栏、Send 按钮和主页指示条，均不属于正文。"}},{"name":"Email action toolbar","description":"The bottom message-action strip with archive, clock, overflow, and a split “Send” control; it becomes a floating bright-pink rounded toolbar whose main action reads “Reply all.”","membership":"Includes the toolbar’s own surface and boundary, all enclosed action icons, labels, separators, and dropdown control. Excludes the message body, surrounding application surface, transition lighting, and the system home indicator.","id":"obj_062","temporal":{"status":"found","start_s":4.75,"end_s":6.0,"reference_s":5.75,"evidence":"目标是邮件底部含归档、时钟、更多选项和分体式“Send”按钮的操作条，随后连续变形为主操作标注“Reply all”的亮粉色悬浮圆角工具栏。首个合格帧为4.75秒，工具栏表面和控件已完整呈现；此前4.50秒仍是活动报名界面，没有该工具栏。最后合格帧为5.75秒，目标完整可见，区间延续至视频结束6.0秒，之后无采样帧。选择5.75秒作为关键帧，因为悬浮工具栏边界清晰、控件齐全，且易与消息正文及系统主屏指示条区分。","start_frame":114,"end_frame":144,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[140.6,466.7,856.3,715.3],"positive_points":[[178.1,534.7],[214.1,587.5],[318.8,586.1],[416.4,655.6],[611.7,587.5],[776.6,587.5]],"negative_points":[[468.8,402.8],[468.8,755.6],[503.1,820.8],[898.4,583.3]],"evidence":"目标是底部悬浮的亮粉色圆角邮件操作栏，内含归档、时钟、更多操作及“Reply all”分体按钮。边界框紧贴整条工具栏，包含其表面、图标、文字和下拉控件。正点分布在粉色表面及各主要控件上；负点位于栏外的邮件正文、右侧应用背景和底部系统主屏指示条上。"}}]}
+{"video_id":294,"video_type":"icons and abstract motion graphics","targets":[{"name":"Golden circular disk","description":"Solid golden-orange disk initially centered alone on the beige field. It later becomes smaller and shifts left along the red bar.","membership":"The complete circular shape, including its filled interior and circumference. Excludes the red bar, surrounding arc, and black lines extending beyond it.","id":"obj_001","temporal":{"status":"found","start_s":0.5,"end_s":16.0,"reference_s":1.0,"evidence":"目标是米色背景上的实心金橙色圆盘，随后沿红条缩小并向左移动，身份连续。0.00及0.25秒仍处于初始淡入，0.50秒首次完整清晰呈现；最后合格帧为15.75秒，圆盘仍完整可见，因此区间延续至16.00秒视频结束，之后无采样帧。选择1.00秒作为关键帧，此时圆盘单独居中，轮廓清楚且无遮挡。","start_frame":12,"end_frame":384,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[433.3,381.5,567.2,619.4],"positive_points":[[493,409],[458,463],[536,453],[475,552],[524,579],[548,523]],"negative_points":[[397,488],[594,512],[502,333],[487,666]],"evidence":"图像中央米色背景上唯一的金橙色实心圆盘即为目标。边界框紧贴圆盘的完整外缘，包含填充内部；六个正点分散在圆盘内部，四个负点位于圆盘上下左右、与边缘保持距离的米色背景上。"}},{"name":"Long red bar","description":"Thin red rectangular bar that rises from below the disk, rotates through a diagonal orientation, and settles horizontally across the composition.","membership":"The rectangular strip from end to end, including portions obscured by foreground shapes. Excludes the golden disk and other overlapping graphics.","id":"obj_002","temporal":{"status":"found","start_s":1.5,"end_s":16.0,"reference_s":4.0,"evidence":"目标是穿过金色圆盘后方、由竖直转为斜向并最终横置的细红色长条。1.25秒仅见从下方进入的短段；1.5秒长条已建立并贯穿画面，随后旋转，超出画面的部分属于构图性裁切。��后合格帧为15.75秒，长条仍持续可见；区间延至视频末尾，无后续帧。选择4.0秒作为关键帧，此时长条水平、边缘清楚，除圆盘外几乎没有其他图形遮挡。","start_frame":36,"end_frame":384,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[157.8,481.5,1000,518.5],"positive_points":[[184,496],[292,507],[413,499],[601,494],[775,506],[963,500]],"negative_points":[[500,500],[286,429],[742,576],[112,503]],"evidence":"目标是横贯画面中部、被金色圆盘遮挡的细长红色矩形条。边界框从左侧可见端点延伸至图像右边缘，覆盖条带上下边界及中间遮挡段。六个正点分布在圆盘两侧的可见红条上；负点位于排除的金色圆盘和条带外侧背景。"}},{"name":"Golden circular arc","description":"Thin golden-orange open arc that appears above the central disk, sweeps around it, and contracts before disappearing.","membership":"Only the curved stroke and its ends. The curve remains open; the beige space between it and the disk is excluded, as is the disk itself.","id":"obj_003","temporal":{"status":"found","start_s":3.0,"end_s":3.5,"reference_s":3.0,"evidence":"目标是围绕中央圆盘的细金橙色开放弧线，不包括圆盘。3.00秒弧线已完整建立，3.25秒保持完整并旋转，为最后合格帧；此前2.75秒仍在逐步绘出，之后3.50秒开始缩短擦除。选择3.00秒为关键帧，弧线形状清楚、两端可辨，与圆盘分离。","start_frame":72,"end_frame":84,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[374,313,649.5,766.7],"positive_points":[[606,324],[638.5,426],[638,575],[583,711],[494,757],[388,661]],"negative_points":[[500,500],[760,500],[700,690],[350,780]],"evidence":"目标是中央圆盘外围的金橙色开放弧线，从右上端沿右侧绕至下方及左下端。边界框紧贴整条可见曲线及两端；六个正点分布于弧线各段，负点位于明确排除的中央圆盘、红色横线及弧线外侧的米色背景。"}},{"name":"Broad blue diagonal band","description":"Dark blue band entering from the right, eventually running diagonally behind the large black shape and the horizontal red bar.","membership":"The filled blue band within its own edges, continuing behind overlapping shapes. Excludes the black shape, red bar, red tabs, and golden foreground shapes.","id":"obj_004","temporal":{"status":"found","start_s":4.75,"end_s":16.0,"reference_s":5.0,"evidence":"目标是位于黑色大形状及红色横条后方的深蓝色斜带。4.50秒仍是从右侧进入的局部蓝色区域；4.75秒斜带的两侧轮廓已建立，上下延伸出画面属于设计性裁切，之后的移动和前景遮挡不改变其身份。最后合格帧为15.75秒，持续至视频结束，之后没有采样帧。选择5.00秒作关键帧，因为蓝色可见面积较大、斜向轮廓清楚，且尚未被后续装饰大量遮挡。","start_frame":114,"end_frame":384,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[430.7,0,1000,1000],"positive_points":[[518,102],[656,255],[750,421],[719,648],[880,787],[948,935]],"negative_points":[[900,230],[800,500],[294,490],[300,800]],"evidence":"目标是从图像上缘斜向右下延伸的宽深蓝色带，被黑色形状和红色横条遮挡。边界框紧贴蓝带可见部分的整体范围，延伸至上、右、下图像边缘。六个正点分布在横条上下的蓝色区域；负点分别位于黑色形状、红色横条、金色圆形和左下米色背景。"}},{"name":"Large black right-hand shape","description":"Large near-black shape occupying the upper-right area, with a rounded lower lobe developing beneath the red bar. It provides the dark field behind the golden vertical bar and red letter.","membership":"The black shape's filled surface and boundary, following its diagonal and rounded outline rather than a rectangular enclosure. Overlaid graphics and text are separate subjects, not extensions of its outline.","id":"obj_005","temporal":{"status":"found","start_s":6.0,"end_s":16.0,"reference_s":6.5,"evidence":"目标是右上方近黑色填充形状，左缘沿蓝色斜带，下部在红色横条下形成圆弧凸瓣；金色竖条和红字是其上的独立图形。5.75秒时下方凸瓣尚在展开，6.00秒时斜边与圆弧轮廓已完整建立，画面边缘的裁切属于设计构图。最后合格帧为15.75秒，目标仍在；视频于16.00秒结束，无后续采样帧。选择6.50秒作为关键帧，此时轮廓清晰，后续叠加装饰较少。","start_frame":144,"end_frame":384,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[494,0,1000,1000],"positive_points":[[573,93],[937,167],[755,370],[833,630],[938,787],[974,954]],"negative_points":[[590,350],[420,670],[880,500],[770,833]],"evidence":"目标为右上方的近黑色大形状，左上边缘呈斜线，红色横条下方形成圆弧状下叶。紧框覆盖其可见范围，顶部、右侧及底部抵达图像边界。正点分布于上下黑色填充区域；负点位于蓝色边带、米色背景和独立的红色横条上。"}},{"name":"Rotating “151” text","description":"Black serif text at the upper left, progressively revealed from its central digit into “151” and rotated from an inverted orientation toward upright.","membership":"All glyphs of this single text block throughout its reveal and rotation. Excludes the beige background and nearby lines and shapes.","id":"obj_006","temporal":{"status":"found","start_s":7.5,"end_s":16.0,"reference_s":8.0,"evidence":"目标是左上方黑色衬线“151”文本块，由中央数字逐步扩展为三个字形。7.25秒两侧的“1”仍被画面上边缘裁切；7.5秒三个字形首次完整呈现，之后的移动和旋转均保持完整，最后合格帧为15.75秒。区间延续至视频结束，末端没有后续采样帧。选择8.0秒作为关键帧，此时文字完整清晰、无遮挡，且与附近图形容易区分。","start_frame":180,"end_frame":384,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[55.2,120.4,198.4,276.9],"positive_points":[[70,157],[71,261],[109,175],[131,263],[171,159],[172,264]],"negative_points":[[38,194],[130,90],[220,205],[128,317]],"evidence":"目标是图像左上方倒置的黑色衬线“151”文字。边界框紧贴整个文字块，覆盖全部三个字形；六个正点分布于各字形的实际黑色笔画上，四个负点位于文字块外围的米色背景，避开字间空隙和字形内部。"}},{"name":"Large lower-right golden shape","description":"Large golden-yellow curved shape rising from the lower-right edge beneath the black rounded lobe, distinct from the small disk on the red bar.","membership":"The golden shape's filled interior and curved outer boundary, including its continuation behind the black lobe. Excludes the black shape, red tabs, and separate golden vertical bar.","id":"obj_007","temporal":{"status":"found","start_s":7.25,"end_s":16.0,"reference_s":8.0,"evidence":"目标是右下方黑色圆瓣下方的大块金黄色弧形，与红杆上的小圆盘及后来的金色竖条不同。首个合格帧为7.25秒，其填充和弧形外缘已完整建立，沿画面下缘及右缘的裁切属于设计构图；前一帧7.00秒尚未出现。此后持续可见至最后采样帧15.75秒，视频于16.00秒结束，无后续帧。选择8.00秒作为关键帧，此时轮廓清楚，邻近红色装饰尚未出现，便于区分。","start_frame":174,"end_frame":384,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[696.4,586.1,962.5,1000],"positive_points":[[768.8,654.6],[744.8,763],[724,911.1],[770.8,931.5],[822.9,949.1],[895.8,981.5]],"negative_points":[[885.4,740.7],[697.9,648.1],[656.3,861.1],[294.3,500]],"evidence":"目标是右下角从底边升起、被黑色圆弧遮挡的大块金黄色形状，与红条上的小圆盘不同。框紧贴其可见部分的范围，不推测遮挡后的边界。六个正点分布在上端窄部和下方展开的金色内部；负点位于黑色遮挡物、蓝色区域、米色背景及独立金色圆盘上。"}},{"name":"Upper red rounded tab","description":"Red horizontal tab with a rounded left end, entering near the top beside the blue diagonal band.","membership":"The filled red tab and its rounded and straight edges, continuing behind the blue band. Excludes the band and beige surrounding field.","id":"obj_008","temporal":{"status":"found","start_s":9.25,"end_s":16.0,"reference_s":10.0,"evidence":"目标是画面上方、蓝色斜带左侧露出的红色横向圆头标签，右端延续到蓝带后方。9.00秒仍处于从蓝带旁展开的初始显露阶段，9.25秒起圆头及上下轮廓建立，顶部贴边裁切属于持续的设计构图。最后一个合格帧为15.75秒，目标未退出，区间延续至16.0秒视频结束，无后续帧。选择10.00秒作为关键帧，红色圆头与蓝带的边界清楚，便于区分其他红色标签。","start_frame":222,"end_frame":384,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[313,0,500,198.2],"positive_points":[[343.8,32.4],[406.3,29.6],[327.1,85.2],[355.2,156.5],[420.3,138.9],[477.1,181.5]],"negative_points":[[515.6,166.7],[291.7,115.7],[402.6,249.1],[572.9,101.9]],"evidence":"目标是图像顶部、蓝色斜带左侧的红色横向圆头标签。边界框紧贴其可见区域，上缘被画面裁切，右缘被蓝带遮挡，不推测遮挡后的范围。六个正点分布于红色填充的左端、中部和右下部；负点位于外围米色背景、蓝色斜带及右侧黑色区域。"}},{"name":"Middle red rounded tab","description":"Red tab emerging below the horizontal bar on the right, with a rounded left end and its right portion concealed by the blue and golden shapes.","membership":"This tab's complete filled shape and boundary. Excludes the separate lower tab, the beige gap between them, and overlapping blue, golden, and black graphics.","id":"obj_009","temporal":{"status":"found","start_s":9.5,"end_s":16.0,"reference_s":10.25,"evidence":"目标是右侧横向红条下方、左端圆润且右部被蓝色和金色图形遮住的中间红��标签，不含下方独立标签。9.25秒仅露出一小段，尚未完成显露；9.5秒其自身可见轮廓已完整建立，持续至最后采样帧15.75秒。视频在16秒结束，无后续帧。选择10.25秒作为关键帧，此时轮廓清楚，与下方标签之间的米色间隔明确，且尚无黑色斜线覆盖。","start_frame":228,"end_frame":384,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[552.1,607.4,712.5,833.3],"positive_points":[[573,714],[598,646],[630,704],[659,767],[685,814],[609,796]],"negative_points":[[672,657],[741,829],[625,904],[528,689]],"evidence":"目标是右侧横向红条下方、左端圆弧状的中间红色标签。边界框紧贴其可见部分，不推测蓝色和金色图形遮挡后的区域。六个正点分布在圆头及红色主体上；负点分别位于重叠的蓝色、金色图形、独立的下方红色标签和外侧米色背景。"}},{"name":"Bottom red rounded tab","description":"Second lower-right red tab, appearing beneath the middle tab and partly cropped by the bottom edge.","membership":"The bottom tab's filled region and rounded left boundary, continuing behind foreground shapes. Excludes the middle tab and the beige separation between them.","id":"obj_010","temporal":{"status":"found","start_s":9.75,"end_s":16.0,"reference_s":10.25,"evidence":"目标是右下方中间红色圆头 tab 下方的第二个红色 tab，以米色间隙分隔，右侧延伸至前景黄色形状后方，底部为设计性裁切。9.50 秒仅露出进入中的局部；9.75 秒其填充区域和左侧圆弧已完整建立。最后合格帧为 15.75 秒，视频结束后无相邻帧。选择 10.25 秒作为关键帧，此时尚无后续黑色斜线遮挡，目标边界较清晰。","start_frame":234,"end_frame":384,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[552.1,852.8,705.2,1000],"positive_points":[[628.1,876.9],[684.9,880.6],[586.5,908.3],[565.1,971.3],[630.2,972.2],[682.3,981.5]],"negative_points":[[630.2,787],[520.8,925.9],[755.2,935.2],[656.3,842.6]],"evidence":"目标是右下方第二个红色圆头标签，位于中间标签下方，底部被图像边缘裁切，右侧被黄色前景遮挡。边界框紧贴其可见红色区域；六个正点分布在上部、左侧圆弧内及底部，负点位于中间红标签、左侧米色背景、右侧黄色形状和两标签之间的米色分隔带。"}},{"name":"Golden vertical bar","description":"Tall golden-yellow rectangle revealed within the black area on the right. Its lower end meets the horizontal red bar, and it later slides left.","membership":"The filled rectangular bar and its four edges, including any portion hidden by the red bar. Excludes the surrounding black field, red letter, and large lower golden shape.","id":"obj_011","temporal":{"status":"found","start_s":11.25,"end_s":16.0,"reference_s":15.5,"evidence":"目标是右侧黑色区域内的金黄色竖直实心矩形，下端与红色横条相接，随后向左滑动。11.00秒时下端尚未接到红条，仍在向下揭示；11.25秒首次结构完整，之后持续可见至最后采样帧15.75秒。区间到达视频结尾，没有后续帧。选择15.50秒作关键帧，此时金色竖条轮廓清楚，易与右下方的大金色形状区分。","start_frame":270,"end_frame":384,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[644.3,1.9,702.1,482.4],"positive_points":[[657,42],[686,106],[664,204],[690,297],[656,383],[683,463]],"negative_points":[[737,281],[835,284],[810,499],[770,912]],"evidence":"目标是右侧黑色区域内、下端接水平红条的金黄色竖直矩形。边界框紧贴其可见范围；六个正点分布于矩形上中下部，四个负点分别位于周围黑底、红色字母、远离目标的水平红条及下方大型金色形状。"}},{"name":"Four red vertical lines","description":"Compact group of four thin parallel red lines rising along the lower-left side of the composition.","membership":"The four red strokes as one parallel-line motif. Excludes the beige spaces between them, the horizontal red bar, and the text above.","id":"obj_012","temporal":{"status":"found","start_s":12.25,"end_s":16.0,"reference_s":13.0,"evidence":"目标是画面左下方四根细长、平行的红色竖线，不含横向红条及上方文字。11.75至12.00秒仍在从底部进入、逐步显露；12.25秒四线图案已完整建立，下端贴画面底边属于持续的裁切设计。最后合格帧为15.75秒，目标一直保留至视频结束16.00秒，之后没有采样帧。选择13.00秒作为关键帧，四根红线清晰且无遮挡。","start_frame":294,"end_frame":384,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[85.9,479.6,137.5,1000],"positive_points":[[89,530],[104,660],[119,790],[134,920],[89,955],[134,535]],"negative_points":[[65,700],[160,820],[110,420],[420,500]],"evidence":"目标是画面左下方四条细长、平行的红色竖线。边界框紧贴四条线的整体可见范围，下缘到达图像底部。六个正点分布在四条红色笔画的不同��度；负点位于线组外侧及上方的米色背景和另一个横向红条上，未放在线间空隙中。"}},{"name":"Four black diagonal lines","description":"Group of four thin parallel black lines extending diagonally down toward the lower-right edge across the red tabs.","membership":"The four black strokes only, excluding the gaps between them and the underlying tabs. Excludes the thick diagonal black bar that later crosses their upper ends.","id":"obj_013","temporal":{"status":"found","start_s":12.5,"end_s":16.0,"reference_s":13.0,"evidence":"目标是跨过红色圆头标签、向右下方延伸的四条细黑色平行斜线，不包括后来出现的粗黑斜条。12.25秒仍处于从下边界进入的未完成呈现，12.50秒四线组合已完整建立，其延伸至画外属于设计性裁切。最后合格帧为15.75秒，视频于16.00秒结束，无后续采样帧。选择13.00秒作为关键帧，此时四条线清楚可辨，上端尚未被粗黑条遮挡。","start_frame":300,"end_frame":384,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[465.6,563.9,650.5,1000],"positive_points":[[490.8,675.9],[508.9,678.7],[526,677.8],[543.9,680.6],[573.8,931.5],[625.4,931.5]],"negative_points":[[432,713],[620,731],[677,935],[445,556]],"evidence":"目标是画面下部向右下方倾斜、跨过红色标签的四条平行黑色细线。边界框紧贴四条线的可见范围，下端抵达图像底边。六个正点分布在四条黑色笔画的中段和下段；负点位于线组外侧的米色背景及红色标签上，不在线间空隙中。"}},{"name":"Three black vertical lines","description":"Three thin parallel black lines progressively extending down from the top to the small golden disk.","membership":"The three vertical strokes, including their continuation behind the disk. Excludes the spaces between them, the disk, and the nearby text.","id":"obj_014","temporal":{"status":"found","start_s":14.25,"end_s":16.0,"reference_s":14.5,"evidence":"目标是从画面顶部向下延伸至小金色圆盘、在圆盘后被遮挡的三条平行黑色细竖线。14.00秒第三条线仍仅在顶部露出，尚未完成绘制；14.25秒三条线均已延伸至圆盘，为首个合格帧。此后持续完整出现至最后采样帧15.75秒，故区间结束于16.00秒，视频末尾无后续帧。选择14.50秒作为关键帧，三条线清晰且容易与附近文字、斜线区分。","start_frame":342,"end_frame":384,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[276.04,0,310.42,417.59],"positive_points":[[278.65,71.3],[278.65,357.41],[292.71,144.44],[292.71,390.74],[307.81,39.81],[307.81,288.89]],"negative_points":[[294.27,499.07],[135.42,172.22],[241.15,267.59],[332.29,325.93]],"evidence":"目标是从图像顶部垂直延伸至金色圆盘的三条平行黑线。边界框紧贴三条线的可见范围，下端在圆盘处被遮挡；正点分布在各条黑线的上下不同位置，负点位于被排除的圆盘、左侧文字和外部米色背景，不落在线间空隙。"}},{"name":"Thick black diagonal bar","description":"Broad black rectangular bar extending down-left from the blue diagonal band, crossing behind the horizontal red bar and over the upper ends of the thin diagonal lines.","membership":"The thick rectangular bar's filled region and boundary, continuing behind overlaps. Excludes the blue band, horizontal red bar, and four thin black diagonal lines.","id":"obj_015","temporal":{"status":"found","start_s":14.75,"end_s":16.0,"reference_s":15.5,"evidence":"目标是从蓝色斜带向左下延伸、位于红色横条后方并覆盖细黑斜线上端的粗黑矩形条。14.50秒尚未出现；14.75秒已呈现明确的粗矩形结构，其右端被蓝带遮挡，随后继续移动、伸展。最后合格帧为15.75秒，视频在16.0秒结束，无后续采样帧。选择15.50秒作为关键帧，黑条外露区域较大，轮廓及与周围线条的区别清晰。","start_frame":354,"end_frame":384,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[244.8,390.7,600,844.4],"positive_points":[[272.9,765.7],[335.4,726.9],[424,635.2],[515.6,552.8],[544.8,453.7],[577.1,466.7]],"negative_points":[[599,398.1],[520.8,500],[577.6,888.9],[338.5,555.6]],"evidence":"目标是从蓝色斜带向左下延伸的粗黑矩形条，横向红条遮住其中一段，右下边缘连接细黑斜线。框覆盖粗条可见部分的整体外接范围；六个正点分布在红条上下的粗黑填充区，负点分别位于蓝带、横向红条、细黑斜线及外部米色背景上。"}},{"name":"Red “R” text","description":"Large red serif capital “R” revealed on the black field to the right of the golden vertical bar, then moved and rotated.","membership":"Only the red letter's glyph strokes. Excludes its internal counter, the surrounding black field, and the adjacent golden and red bars.","id":"obj_016","temporal":{"status":"found","start_s":15.0,"end_s":16.0,"reference_s":15.25,"evidence":"目标是黑色区域内、金色竖条右侧的大号红色衬线字母“R”。14.75秒时字母仍被画面右边界裁切，15.0秒首次完整出现；此后移动、旋转但保持完整，最后合格帧为15.75秒。区间延续至视频结束16.0秒，无后续采样帧。选择15.25秒作为关键帧，字形完整清晰，与周围色条分离，便于标注。","start_frame":360,"end_frame":384,"reference_frame":366},"grounding":{"status":"found","bbox_xyxy":[805.2,96.3,936.5,327.8],"positive_points":[[810,288],[820,161],[848,139],[872,220],[917,151],[922,284]],"negative_points":[[770,185],[961,244],[682,222],[865,500]],"evidence":"目标是金色竖条右侧黑色区域内旋转的红色衬线大写 R。边界框紧贴完整字形的可见范围；六个正点分布在主干、弧形和斜腿笔画上，四个负点位于外围黑底、金色竖条及下方红色横条，避开字母内部空腔。"}}]}
+{"video_id":295,"video_type":"icons and abstract motion graphics","targets":[{"name":"Animated black stripe field","description":"A compact field of evenly spaced black parallel bars, initially growing upward near the center-left. It widens around an orange disc, develops a circular cutout, rotates, and returns to an upright arrangement before disappearing.","membership":"Include the individual black bars throughout their growth, rotation, and shortening. Exclude the spaces between bars, the circular cutout, the orange disc, and the beige background.","id":"obj_001","temporal":{"status":"found","start_s":1.5,"end_s":3.5,"reference_s":2.0,"evidence":"目标是围绕橙色圆盘变化、形成圆形缺口并旋转的黑色平行条纹。首个合格帧为1.50秒，此时缺口条纹结构完整；前一帧1.25秒仍处于逐条显隐的结构转换中。最后合格帧为3.25秒，3.50秒右侧条纹开始缩短退出，随后全部消失。选择2.00秒作为关键帧，因为橙色圆盘已移开，黑条及圆形缺口清晰、无遮挡。","start_frame":36,"end_frame":84,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[337.5,98.1,495.3,906.5],"positive_points":[[343,170],[364,774],[385,312],[406,820],[489,181],[469,842]],"negative_points":[[290,500],[570,120],[420,50],[420,960]],"evidence":"目标是图像中部偏左的竖直黑色平行条纹组，右侧呈圆形缺口。边界框紧贴全部黑条的最外侧范围；六个正点分布于不同黑条的上下可见部分，四个负点位于条纹组外部的米色背景，避开条间空隙和圆形缺口。"}},{"name":"Orange disc, first passage","description":"A large flat burnt-orange disc that enters over the left side of the black stripe field, travels through its center, and exits to the right.","membership":"Include the circular surface and outer edge, excluding black bars drawn over it and the surrounding background.","id":"obj_002","temporal":{"status":"found","start_s":0.5,"end_s":1.75,"reference_s":0.5,"evidence":"目标是首次从黑色条纹左侧穿过中央并向右退出的赭橙色圆盘。首个合格帧为0.50秒，圆盘表面和外缘已完整呈现；最后合格帧为1.50秒。此前0.25秒仅见黑色条纹，之后1.75秒圆盘向右离场并被画面边界裁切。选择0.50秒为关键帧，此时圆盘轮廓清晰完整，表面未被黑条遮挡，便于标注。","start_frame":12,"end_frame":42,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[195,257.4,458.3,742.6],"positive_points":[[310,300],[241,409],[220,550],[304,694],[411,625],[428,442]],"negative_points":[[148,480],[469,505],[385,230],[296,805]],"evidence":"目标是覆盖黑色竖条区域左侧的大块烧橙色圆盘。边界框紧贴圆盘可见外缘；六个正点分散在橙色表面，四个负点位于圆盘外的黑色竖条及米色背景上。"}},{"name":"Orange disc, returning appearance","description":"A burnt-orange disc presented again with the rotating stripe field after the earlier disc has left. It settles in the center, remains after the stripes disappear, and expands into an orange ring.","membership":"Follow the disc's outer circular boundary and enclosed area as it moves and enlarges. When it becomes a ring, include the outer boundary and enclosed central opening. Exclude surrounding background and black bars overlaid on the disc.","id":"obj_003","temporal":{"status":"found","start_s":2.5,"end_s":4.75,"reference_s":4.25,"evidence":"目标是先前圆盘离开后，与旋转黑色条纹一起再次出现的赭橙色圆盘。首个合格帧为2.50秒，圆盘轮廓已完整；前一帧2.25秒只有条纹，没有圆盘。圆盘持续存在，条纹消失后扩大成圆环，最后合格帧为4.50秒；下一帧4.75秒圆环外缘扩大至画面之外而被裁切，因此结束。选择4.25秒作为关键帧，此时圆盘完整清晰且没有黑条遮挡。","start_frame":60,"end_frame":114,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[369.3,257.4,630.7,742.6],"positive_points":[[465,338],[549,379],[405,493],[578,539],[446,625],[522,695]],"negative_points":[[322,492],[680,521],[494,192],[507,811]],"evidence":"图像中央可见单一实心赭橙色圆盘，与目标描��一致，没有黑色条纹遮挡。边界框紧贴圆盘的可见外缘；六个正点分散在圆盘内部各部位，四个负点位于圆盘上、下、左、右的浅色背景中。"}},{"name":"Striped square eye panel","description":"A centered square composition built from dark navy vertical stripes and a rising red lower block. A large beige almond-shaped eye with a blue iris and dark pupil opens and closes within it.","membership":"Include the square panel's complete surface and contents: stripes, intervening beige spaces, red lower field, and the eye when present. Exclude the beige background outside the square. The separately identified iris remains part of this panel while inside it.","id":"obj_004","temporal":{"status":"found","start_s":5.25,"end_s":7.75,"reference_s":6.25,"evidence":"目标是中央由深蓝竖条、米色间隙、红色下半部及蓝虹膜眼睛组成的方形面板。5.25秒方形表面已完整建立，随后红色区域上升和眼睛开合属于内部变化；此前5.00秒仅有顶部短条，尚未完成展开。最后合格帧为7.50秒；7.75秒眼睛扩大，条纹区与红色区开始被遮罩分离，8.00秒仅剩虹膜和瞳孔。选择6.25秒作为关键帧，面板边界完整，眼睛清晰且无遮挡。","start_frame":126,"end_frame":186,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[250,58.3,750,940.7],"positive_points":[[260.4,157.4],[700,213],[520.8,194.4],[572.9,500],[312.5,842.6],[687.5,861.1]],"negative_points":[[187.5,481.5],[812.5,509.3],[500,23.1],[500,973.1]],"evidence":"目标是画面中央由海军蓝竖条、红色下部和蓝虹膜眼睛组成的方形面板。边界框覆盖面板完整表面，包括条纹间的米色区域及眼睛。正点分布于左右条纹、内部米色区域、虹膜和下方红色区域；负点位于面板四周的外部米色背景。"}},{"name":"Blue iris and dark pupil","description":"A bright blue circular iris with a concentric dark navy pupil, first visible inside the square eye panel. It remains as an isolated circular graphic when the surrounding eye composition disappears, then enlarges and gains a red center during the transition.","membership":"Include the outer blue circular boundary and everything enclosed by it, including the dark pupil and the later red center. Exclude the surrounding almond-shaped eye, striped panel, red lower field, and background.","id":"obj_005","temporal":{"status":"found","start_s":6.0,"end_s":8.25,"reference_s":8.0,"evidence":"目标是亮蓝色圆形虹膜及其同心深海军蓝瞳孔。6.00秒首次完整出现，前一帧5.75秒仅有条纹和红色面板；闭眼期间的短暂遮挡不打断其连续身份。最后合格帧为8.00秒，8.25秒放大转场时蓝色外边界已被画面边缘裁切，并出现红色中心。选择8.00秒作关键帧，此时目标独立、完整且无遮挡，便于排除周围眼形和面板。","start_frame":144,"end_frame":198,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[289.5,124.1,710.5,874.1],"positive_points":[[494,217],[337,454],[659,478],[524,794],[464,434],[549,602]],"negative_points":[[213,488],[785,493],[498,61],[501,944]],"evidence":"目标为米色背景中央的蓝色圆形虹膜及同心深海军蓝瞳孔。边界框紧贴蓝色外圆，包含其全部内部区域；六个正点分布在蓝色虹膜和深色瞳孔上，四个负点位于圆形上、下、左、右的外部背景。"}},{"name":"Geometric BAUHAUS wordmark","description":"Black interlocking geometric lettering spelling “BAUHAUS,” revealed at the center and enlarged. The letters form a tall staggered arrangement with a long lower horizontal stroke.","membership":"Include all black letter strokes and the connected extended strokes belonging to the wordmark. Exclude gaps and counters, shadows, colored shapes behind the letters, and peripheral line decorations.","id":"obj_006","temporal":{"status":"found","start_s":9.25,"end_s":12.5,"reference_s":9.5,"evidence":"目标为中央黑色交错排列的“BAUHAUS”几何字标，包含顶部延长竖笔和底部长横笔。首个结构完整可辨的采样帧为9.25秒；此前9.00秒仅见极小黑点，未呈现可辨字标结构。最后合格帧为12.25秒，12.50秒字标已消失，周边装饰仍在。选择9.50秒作为关键帧，此时字标已放大、笔画清晰，且没有彩色形状在其后方干扰。","start_frame":222,"end_frame":300,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[308.3,33.3,662.0,921.3],"positive_points":[[371,329],[538,145],[477,390],[594,559],[650,822],[337,898]],"negative_points":[[250,500],[740,650],[650,140],[465,965]],"evidence":"图中央可见黑色几何字母交错组成的“BAUHAUS”字标。边界框覆盖全部字母笔画、顶部竖向延伸及底部长横线，不包含阴影。六个正点分布在不同字母和延伸笔画上；四个负点位于字标整体外侧的浅色背景，避开字间空隙及字母内部留白。"}},{"name":"Red square behind the wordmark","description":"A red square that grows beneath the lower-left portion of the “BAUHAUS” lettering and later shrinks away.","membership":"Include the square's red surface and boundary. Exclude the overlaid black lettering, its shadows, and the surrounding background.","id":"obj_007","temporal":{"status":"found","start_s":9.75,"end_s":12.0,"reference_s":11.0,"evidence":"目标是“BAUHAUS”字标左下方、被黑色字母局部遮挡的红色正方形。9.75秒首次出现完整的小方块，随后放大并缩小；11.75秒仍有清晰完整的红色表面与边界，为最后合格帧。此前9.50秒尚无红色方块，此后12.00秒方块已消失。选择11.00秒作为关键帧，此时方块较大、边界清楚，便于排除覆盖其上的黑色字母。","start_frame":234,"end_frame":288,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[339.6,605.6,480.7,855.6],"positive_points":[[354,632],[392,667],[357,802],[448,745],[459,830],[455,652]],"negative_points":[[428,661],[485,651],[313,740],[504,871]],"evidence":"目标是“BAUHAUS”黑色字标左下方被部分遮挡的红色正方形。边界框紧贴红色方形的可见外缘；六个正点分布于未被遮挡的红色表面，负点位于覆盖其上的黑色笔画、右侧黑色字形及外部浅色背景，避开阴影。"}},{"name":"Blue circle behind the wordmark","description":"A blue circle behind the lower-right portion of the “BAUHAUS” lettering, near its final letter. It changes size and disappears while the wordmark remains.","membership":"Include the blue circular surface and edge, excluding overlaid black letter strokes, shadows, and surrounding background.","id":"obj_008","temporal":{"status":"found","start_s":9.75,"end_s":11.75,"reference_s":9.75,"evidence":"目标是“BAUHAUS”字标右下方、末尾黑色字母后面的蓝色圆形。9.75秒首次显示完整圆形结构，9.50秒尚未出现；其后尺寸变化仍属同一圆形，11.50秒为最后合格帧，11.75秒圆形已消失而字标仍在。选择9.75秒作为关键帧，此时圆形较大、外缘清楚，便于排除覆盖其上的黑色笔画。","start_frame":234,"end_frame":282,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[578.1,623.1,703.6,845.4],"positive_points":[[638.0,653.7],[677.1,684.3],[688.5,748.1],[675.5,803.7],[619.3,694.4],[628.1,780.6]],"negative_points":[[625.0,738.9],[594.8,670.4],[739.6,740.7],[407.3,731.5]],"evidence":"目标是“BAUHAUS”字标右下方、位于黑色字母后面的蓝色圆形。边界框紧贴可见蓝色圆面的最外缘；六个正点分布在露出的蓝色表面，负点位于覆盖圆面的黑色笔画、右侧背景及左下红色方块上，排除字母、背景与其他图形。"}},{"name":"Yellow circle behind the wordmark","description":"A golden-yellow circle that grows above and behind the upper-left portion of the “BAUHAUS” lettering, then contracts and disappears.","membership":"Include the yellow circular surface and boundary. Exclude overlaid black lettering, shadows, and surrounding background.","id":"obj_009","temporal":{"status":"found","start_s":10.0,"end_s":12.25,"reference_s":12.0,"evidence":"目标是 BAUHAUS 字标左上方、位于黑色字母后面的金黄色圆面。10.00 秒首次以很小的完整形态出现，随后放大；12.00 秒缩小后仍保持完整圆形，是最后合格帧。相邻的 9.75 秒尚无该黄色圆，12.25 秒已消失。选择 12.00 秒作关键帧，因为圆形边界清楚，字母遮挡较少。","start_frame":240,"end_frame":294,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[352.1,87,517.2,380.6],"positive_points":[[432,123],[383,172],[360,250],[498,220],[476,324],[404,346]],"negative_points":[[373,350],[333,204],[545,205],[450,48]],"evidence":"目标是画面中央偏上、位于“BAUHAUS”黑色字标后方的金黄色圆形。边框紧贴圆形可见表面的最外缘；正点分布在圆面各处，包括字母孔洞中露出的黄色区域。负点位于覆盖圆面的黑色字母、右侧黑色笔画及圆外背景，排除文字和周围区域。"}},{"name":"WEIMAR DESSAU BERLIN text block","description":"Three centered lines of thin black uppercase text reading “WEIMAR,” “DESSAU,” and “BERLIN,” presented after the geometric wordmark disappears.","membership":"Include the letter strokes of all three lines as one text block. Exclude the beige backing, nearby colored shapes, and surrounding black line graphics.","id":"obj_010","temporal":{"status":"found","start_s":12.75,"end_s":13.0,"reference_s":12.75,"evidence":"12.75秒画面中央完整出现三行细黑色大写文字“WEIMAR”“DESSAU”“BERLIN”，符合目标描述；这是首个也是最后一个符合条件的采样帧。紧邻前帧12.50秒中央没有该文字，原几何字标已消失。区间延续至视频结尾13.00秒，之后没有采样帧。选择12.75秒作为关键帧，三行文字清晰完整且无遮挡。","start_frame":306,"end_frame":312,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[384.4,347.2,613.5,655.6],"positive_points":[[389.6,371.3],[594.3,385.2],[400.5,501.9],[598.4,493.5],[411.5,616.7],[588.0,623.1]],"negative_points":[[338.5,500.0],[661.5,495.4],[182.3,481.5],[777.1,563.0]],"evidence":"图像中央可见三行细黑色大写文字“WEIMAR”“DESSAU”“BERLIN”。边界框紧密覆盖三行完整文字及字间、行间间隔；六个正点分布在每行左右两侧的字母笔画上，四个负点位于文字外的米色背景、左侧蓝色三角形和右侧粉红圆形上。"}}]}
+{"video_id":296,"video_type":"icons and abstract motion graphics","targets":[{"name":"Animated plus sign","description":"A thick white plus sign with rounded ends, initially shown alone moving upward and rotating on orange, then incorporated into the central title.","membership":"Include both intersecting white strokes and their rounded ends throughout movement and rotation. Exclude the surrounding background and neighboring lettering.","id":"obj_001","temporal":{"status":"found","start_s":0.5,"end_s":3.75,"reference_s":1.0,"evidence":"目标是橙色背景上由两条圆头粗白线相交形成的加号，先独自上移旋转，后并入中央标题。0.50秒首次完整可见，前一帧0.25秒仍被画面下边界裁切；3.50秒为最后合格帧，加号仍完整，后一帧3.75秒已被红色转场替换。选择1.00秒作关键帧，因为加号正向、独立且无遮挡，便于空间标注。","start_frame":12,"end_frame":90,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[461.5,315.7,514.1,408.4],"positive_points":[[488,328],[487.5,395],[468,362],[507,362],[480,362],[488,350]],"negative_points":[[440,362],[533,362],[488,275],[488,449]],"evidence":"图中橙色背景上单独出现的白色圆头粗加号即为目标。边界框紧贴横竖两笔及其圆头端点；六个正点分布在两笔的端部和交叠附近，四个负点位于加号上下左右、远离边缘的橙色背景上。"}},{"name":"“99+ Animated Icons” title","description":"The central promotional title progressively reveals dark purple numerals “99”, a white plus sign, and the stacked white words “Animated Icons”.","membership":"Include the complete title lettering and plus sign as one compact text block, including the separately identified plus sign. Exclude the flanking illustrations and colored background.","id":"obj_002","temporal":{"status":"found","start_s":2.25,"end_s":3.75,"reference_s":3.0,"evidence":"目标是中央由深紫色“99”、白色加号及两行白色“Animated Icons”组成的完整标题。首个合格帧为2.25秒，文字已全部显现，部分字母仍在缩放但不影响完整性；前一帧2.00秒的文字尚未揭示完整。最后合格帧为3.50秒，周边转场尚未遮挡标题；下一帧3.75秒标题已消失。选择3.00秒作为关键帧，标题形状清晰、完整且无遮挡。","start_frame":54,"end_frame":90,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[397.4,339.8,579.8,616.7],"positive_points":[[405.2,383.3],[512.5,400.9],[553.1,401.9],[467.7,498.1],[408.9,574.1],[558.3,608.3]],"negative_points":[[223,470],[875,417],[489.6,259.3],[484.4,694.4]],"evidence":"目标是画面中央的“99+ Animated Icons”三行标题。边界框紧贴紫色数字、白色加号及两行白色文字的整体范围；六个正点分布在数字、加号和各行字形笔画上，负点位于左右插图及标题上、下方的橙色背景，均排除在目标之外。"}},{"name":"Circular award medal","description":"An outlined award on the left of the title, with two white concentric circles, a black outlined central star, and two black outlined ribbon tails.","membership":"Include the circular medal face and its enclosed area, central star, and both ribbon tails with their enclosed areas. Follow the ribbon notches and exclude the surrounding orange background.","id":"obj_003","temporal":{"status":"found","start_s":2.75,"end_s":3.75,"reference_s":3.0,"evidence":"目标是标题左侧的圆形奖章，由白色双同心圆、黑色轮廓中心星和两条黑色轮廓绶带组成。2.75秒首次结构完整；前一帧2.50秒的绶带仍未绘制完成。最后合格帧为3.50秒，虽然画面边缘开始转场，奖章本身仍完整可见；3.75秒已被新场景替换。选择3.00秒作为关键帧，奖章轮廓清晰且无遮挡。","start_frame":66,"end_frame":90,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[98.4,346.3,238.0,695.4],"positive_points":[[167,397],[126,468],[208,482],[168,476],[128,621],[203,621]],"negative_points":[[78,470],[260,490],[168,760],[167,298]],"evidence":"目标位于标题左侧，由白色双同心圆、中央黑色星形轮廓和两条黑色轮廓飘带组成。边界框紧贴圆章顶部、左右边缘及飘带最低端；正点覆盖圆面内部、中央星形及两条飘带内部，负点均位于奖章外部的橙色背景。"}},{"name":"Lightbulb icon","description":"A large white outlined lightbulb on the right of the title, with black accent strokes, a curved filament, and a segmented screw base.","membership":"Include the bulb outline and enclosed interior, filament supports, black accents, and separate base strokes. Preserve openings between the bulb and base segments; exclude surrounding background.","id":"obj_004","temporal":{"status":"found","start_s":2.75,"end_s":3.75,"reference_s":3.0,"evidence":"目标为标题右侧的白色轮廓灯泡，包含黑色弧形高光、曲线灯丝、支撑线及分段螺口底座。首个完整帧为2.75秒；前一帧2.50秒中黑色高光和灯丝仍在绘制。最后合格帧为3.50秒，转场边框尚未遮挡灯泡；3.75秒已被红色分区画面替换。选择3.00秒作为关键帧，灯泡结构完整清晰且无遮挡。","start_frame":66,"end_frame":90,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[743.2,296.3,878.6,680.6],"positive_points":[[808.9,339.8],[855.7,420.4],[806.3,460.2],[833.3,567.6],[810.9,609.3],[804.7,675.9]],"negative_points":[[718.8,398.1],[901,444.4],[812.5,722.2],[755.2,634.3]],"evidence":"目标是标题右侧的白色轮廓灯泡，带黑色弧线、灯丝和分段底座。边界框覆盖完整灯泡轮廓及最下方底座弧线；正点分布于灯泡内部、灯丝和独立底座笔画，负点位于灯泡左右及下方的外部橙色背景，未标记内部空隙或底座间开口。"}},{"name":"Star shield badge","description":"A shield-shaped badge in the large left red section, with a white rounded-bottom shield, black central star, horizontal ribbon ends, and a black line above.","membership":"Include the shield face and enclosed area, central star, both notched ribbon extensions and their interiors, and the upper black stroke. Exclude the red section and white layout dividers.","id":"obj_005","temporal":{"status":"found","start_s":5.25,"end_s":5.5,"reference_s":5.25,"evidence":"目标位于左侧大红色分区，由白色圆底盾面、黑色中央星形、两侧缺口飘带及上方黑色横线组成。首末合格帧均为5.25秒，此时所有指定结构完整；前一帧5.00秒的上方黑线仍在延伸绘制，后一帧5.50秒目标已被橙色转场遮罩移除。选择5.25秒作为关键帧，因为徽章完整清晰且无遮挡。","start_frame":126,"end_frame":132,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[65.6,212,343.8,519],"positive_points":[[205.2,215.7],[171.9,282.4],[205.2,373.1],[205.2,478.7],[106.8,348.1],[302.1,348.1]],"negative_points":[[46.9,347.2],[208.3,148.1],[205.2,592.6],[375,379.6]],"evidence":"目标位于左侧大红色分区，以白色圆底盾形轮廓、中央黑色星形、两侧缺口飘带及上方黑色横线识别。边界框紧贴这些组成部分的整体外缘；正点覆盖上方横线、盾面内部、中央星形和两侧飘带内部，负点位于徽章外部的红色背景，避开白色布局分隔线。"}},{"name":"Notification bell","description":"A white outlined bell in the upper-right red section, with a black top loop and black clapper, rocking as it assembles.","membership":"Include the bell body and enclosed interior, flared lower rim, top loop and its interior, and clapper and its interior. Exclude section boundaries and background.","id":"obj_006","temporal":{"status":"found","start_s":4.5,"end_s":5.25,"reference_s":4.75,"evidence":"目标为右上红色分区中的白色轮廓铃铛，含外扩下沿、黑色顶环和铃舌。4.50秒首次结构完整，虽倾斜摇摆仍符合条件；5.00秒为最后完整帧。此前4.25秒铃身尚为未闭合弧线，仍在绘制；此后5.25秒顶环已在向上离开时被画面上边缘裁切。选择4.75秒作关键帧，铃铛接近直立且各组成部分清晰无遮挡。","start_frame":108,"end_frame":126,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[627.6,30.6,746.9,329.6],"positive_points":[[683.9,50],[684.9,115.7],[661.5,198.1],[716.1,225.9],[637,273.1],[699,312]],"negative_points":[[598.9,171.3],[776,194.4],[692.7,365.7],[692.7,490.7]],"evidence":"目标是右上红色分区中的白色轮廓铃铛，带黑色顶环和铃舌。边界框紧贴顶环、铃身、外展下缘及铃舌的整体可见范围；正点分布在这些部件及指定包含的内部，负点位于铃铛外侧背景和下方公文包上，不包含分区边界。"}},{"name":"Briefcase icon","description":"A white outlined briefcase in the middle-right red section, with a top handle, front flap, circular black clasp, and short edge accents.","membership":"Include the case body and enclosed face, handle and its enclosed opening, flap lines, clasp, and edge accents. Exclude the surrounding red panel and layout dividers.","id":"obj_007","temporal":{"status":"found","start_s":4.75,"end_s":5.5,"reference_s":5.0,"evidence":"目标是红色布局中部右侧的白色描边公文包，含提手、前盖、黑色圆扣和边缘短线。首个合格帧为4.75秒，各部分已完整；此前4.50秒前盖线和边缘细节仍在绘制。最后合格帧为5.25秒，随后5.50秒公文包被橙色转场遮罩部分遮去。选择5.00秒作为关键帧，包体完整清晰且无遮挡。","start_frame":114,"end_frame":132,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[606.3,389.8,778.6,650],"positive_points":[[692.7,414],[640,475],[746,493],[694.5,540.3],[650,606],[754,615]],"negative_points":[[580,531],[809,532],[701,359],[700,689]],"evidence":"目标是右侧中部红色分区内的白色公文包图标。边界框紧贴顶部提手及包身外轮廓，包含提手开口、包面、翻盖线、黑色圆扣和边缘短线。正点分布于提手开口、上下包面及圆扣；负点位于图标四周的外部红色背景，避开图标与分隔线。"}},{"name":"Open book icon","description":"An open white outlined book in the bottom red section, with a narrow central spine and black page-edge strokes above its two sides.","membership":"Include both outlined book sides and their enclosed areas, the central spine, and the associated black page strokes. Follow the open-book silhouette rather than filling the space above it. Exclude the background and section borders.","id":"obj_008","temporal":{"status":"found","start_s":4.75,"end_s":5.75,"reference_s":5.0,"evidence":"目标是底部红色分区内的白色轮廓打开书本，包含两侧书页、中央窄书脊和上方黑色页边笔画。4.75秒首次完整呈现；前一帧4.50秒的黑色页边笔画仍未绘制齐全。最后合格帧为5.50秒，虽然周围分区正在切换，书本自身仍完整可见；5.75秒已被新场景替换。选择5.00秒作为关键帧，书本轮廓和黑色笔画清楚且无遮挡。","start_frame":114,"end_frame":138,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[381.3,757.4,514.1,984.3],"positive_points":[[405,875],[485,881],[448,931],[436.5,783.3],[411.5,796.3],[489.6,796.3]],"negative_points":[[348,883],[549,898],[475,750],[448,727]],"evidence":"目标是底部红色分区中的白色打开书本。边界框覆盖两侧书页及其内部、狭窄中央书脊和上方黑色页边线；正点分布在两侧书页、书脊及黑色笔画上，负点位于书本外部背景和上方分区边界，避开书页内部及笔画间隙。"}},{"name":"Spiral notebook icon","description":"A tall white outlined notebook in the left orange section, with black horizontal binding strokes, a black vertical cover line, and a small bookmark-like tab at the top.","membership":"Include the cover boundary and enclosed face, projecting binding strokes, top tab, and internal cover line. Exclude the orange section and central white divider.","id":"obj_009","temporal":{"status":"found","start_s":6.75,"end_s":7.5,"reference_s":7.0,"evidence":"目标是左侧橙色区域中的白色竖长笔记本，带黑色横向装订线、封面竖线和顶部小标签。6.75秒首次完整呈现，7.25秒仍完整可见；此前6.50秒封面竖线尚未画完，装订结构仍在组装，此后7.50秒已被绿色转场遮罩覆盖。选择7.00秒作为关键帧，结构清晰且无遮挡。","start_frame":162,"end_frame":180,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[134.4,285.2,283.3,668.5],"positive_points":[[197.9,425.9],[215.6,597.2],[145.3,447.2],[177.6,299.1],[247.9,527.8],[281.9,463.0]],"negative_points":[[109.4,481.5],[218.8,240.7],[312.5,509.3],[495.3,481.5]],"evidence":"目标是左侧橙色区域中的白色轮廓螺旋笔记本。边界框包含封面及其内部、左侧伸出的黑色装订短线、顶部标签和内部黑色竖线。正点分布于封面、装订线、顶部标签及边界；负点位于笔记本外的橙色背景和中央白色分隔线上。"}},{"name":"Writing pencil icon","description":"A large diagonal white outlined pencil in the right orange section, with a rounded eraser end, long barrel divisions, black separators, and a curved black writing stroke emerging from its tip.","membership":"Include the complete pencil silhouette and enclosed interior, barrel divisions, eraser and tip separators, and the attached animated writing stroke while visible. The writing stroke remains an open curve. Exclude the background and section divider.","id":"obj_010","temporal":{"status":"found","start_s":6.75,"end_s":7.25,"reference_s":6.75,"evidence":"目标是右侧橙色区域内斜置的白色描边铅笔，包含橡皮端、笔杆分线、黑色分隔线及笔尖的开放书写曲线。首个完整帧为6.75秒；此前6.50秒笔尖黑色分隔线仍是未画完的短划。最后符合条件的是7.00秒，书写曲线已消失但铅笔仍完整；7.25秒绿色转场遮罩开始遮住铅笔。选择6.75秒为关键帧，因为铅笔结构和书写曲线均清晰且无遮挡。","start_frame":162,"end_frame":174,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[639.6,300,836.5,711.1],"positive_points":[[790.6,338],[786.5,406.5],[750,495.4],[729.2,557.4],[699.5,640.7],[666.1,702]],"negative_points":[[620,550],[870,450],[765,735],[495.5,500]],"evidence":"目标是右侧橙色区域内斜放的白色轮廓铅笔。边界框覆盖圆顶橡皮端、完整笔身及内部、笔尖和相连的黑色弧形书写线。正点分布在橡皮端、笔身、笔尖内部及书写线上；负点位于外部橙色背景和中央分隔��上。"}},{"name":"Folded-corner document","description":"A white outlined portrait document in the upper-left green section, with a folded upper-left corner and multiple black horizontal text lines.","membership":"Include the sheet boundary and enclosed face, folded-corner detail, and all internal text-like strokes. Exclude the green section and white layout borders.","id":"obj_011","temporal":{"status":"found","start_s":8.5,"end_s":9.25,"reference_s":8.75,"evidence":"目标是绿色区域左上方的白色折角文档图标，包含纸张轮廓、左上折角和黑色横向文字线。8.50秒首次完整呈现，9.00秒为最后合格帧；此前8.25秒内部横线仍在逐步绘制，之后9.25秒目标已被红色转场遮罩移除。选择8.75秒作为关键帧，图标完整清晰且无遮挡。","start_frame":204,"end_frame":222,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[62,73,218,441],"positive_points":[[100,139],[161,115],[92,243],[139,264],[188,348],[106,415]],"negative_points":[[42,260],[240,270],[150,500],[443,231]],"evidence":"目标位于左上绿色分区，是带左上折角和黑色横线的白色轮廓文档。边界框紧贴整张文档的可见外缘，包含折角、纸面及内部横线。正点分布于折角、纸面和文字状笔画；负点位于文档外的绿色背景及右侧另一张文档上，排除分区和布局边框。"}},{"name":"Rounded document sheet","description":"A second portrait document in the upper-middle green section, distinguished by its rounded rectangular outline without a folded corner and its stack of black horizontal lines.","membership":"Include the rounded sheet boundary, enclosed face, and internal black lines. Exclude neighboring documents, background, and section dividers.","id":"obj_012","temporal":{"status":"found","start_s":9.0,"end_s":9.25,"reference_s":9.0,"evidence":"目标是绿色区域上方中间无折角的圆角竖向文档图标，内部有多条黑色横线。9.00秒是首个且最后一个完整呈现的采样帧；8.75秒顶部横线仍未绘制完整，9.25秒文档左侧已被红色转场遮罩裁切。选择9.00秒作为关键帧，此时轮廓与内部横线完整清晰，未受遮挡。","start_frame":216,"end_frame":222,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[369.3,45.4,525,420.4],"positive_points":[[385.4,78.7],[500,74.1],[416.7,154.6],[486.5,249.1],[386.5,389.8],[506.3,380.6]],"negative_points":[[338.5,231.5],[562.5,277.8],[446.9,472.2],[156.3,259.3]],"evidence":"目标是上方中间没有折角、内部排列黑色横线的圆角竖向文档。边界框紧贴其白色圆角轮廓，包含整个封闭面和内部横线。正点分布于文档上部、横线及下部表面；负点位于其左右和下方的外部背景，以及左侧另一张折角文档上。"}},{"name":"Calendar icon","description":"A landscape white outlined calendar in the lower-left green section, with two black binding marks, a white header rule, and rows of short black date-like marks.","membership":"Include the calendar face and boundary, enclosed area, projecting binding marks, header rule, and all date-like strokes. Exclude the green backing section and its dividers.","id":"obj_013","temporal":{"status":"found","start_s":9.0,"end_s":9.25,"reference_s":9.0,"evidence":"目标是绿色区域左下方的横向日历图标，含白色外框与页眉线、两个黑色装订标记及多排短日期线。9.00秒首次完整呈现，也是最后一个合格帧；前一帧8.75秒的日期线仍在逐步显现，后一帧9.25秒已被红色转场遮罩遮去部分结构。选择9.00秒为关键帧，此时日历完整清晰、无遮挡。","start_frame":216,"end_frame":222,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[210.9,616.0,425.5,912.0],"positive_points":[[259.1,635.2],[376.8,635.2],[314.0,687.8],[253.9,775.9],[389.0,836.0],[317.0,891.0]],"negative_points":[[330.0,583.0],[190.0,777.0],[452.0,850.0],[447.0,300.0]],"evidence":"目标是左下绿色分区中的横向日历。边界框覆盖白色外框、完整日历面、顶部突出的两条黑色装订线、页眉横线及日期短线。正点分布在装订线、页眉、日期笔画和日历内部；负点位于框外绿色背景及上方另一文档图标，排除分区背景和其他对象。"}},{"name":"File folder icon","description":"A white outlined folder in the tall right green section, with a raised tab at the upper left and a curved horizontal line defining its front pocket.","membership":"Include the complete tabbed folder silhouette and enclosed area, including its front-pocket line. Follow the stepped upper outline; exclude the surrounding green section and white dividers.","id":"obj_014","temporal":{"status":"found","start_s":8.5,"end_s":9.25,"reference_s":8.75,"evidence":"目标是右侧高绿色分区内的白色文件夹图标，包含左上凸起标签、阶梯形顶边和弧形前袋分界线。首个完整帧为8.50秒，8.25秒仍是未形成标签和前袋线的圆角矩形；最后合格帧为9.00秒，9.25秒已被红色转��遮罩裁切。选择8.75秒作为关键帧，文件夹结构清晰完整且无遮挡。","start_frame":204,"end_frame":222,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[707.3,389.8,907.8,720.4],"positive_points":[[745,415],[823,416],[887,440],[730,520],[849,580],[786,689]],"negative_points":[[677,556],[943,509],[797,787],[880,372]],"evidence":"目标是右侧高绿色分区中的白色文件夹，左上有凸起标签，内部有前袋分界线。边界框紧贴完整文件夹外轮廓；正点分布在标签、右上阶梯部分及袋身内部，负点位于文件夹外侧的绿色背景，避开白色分隔线。"}},{"name":"Leftmost circular emblem","description":"The leftmost graphic in the final red four-column arrangement: a large white outlined circle over a white rounded rectangular base, with a smaller outlined circle overlapping its top and a short inner curved accent.","membership":"Include the large circle and enclosed area, the rectangular base and its enclosed area, the overlapping small circle and its interior, and the inner accent. Exclude the red column and white column dividers.","id":"obj_015","temporal":{"status":"found","start_s":9.75,"end_s":10.0,"reference_s":9.75,"evidence":"目标是最终红色四列布局最左侧的徽记，包含白色大圆、圆角矩形底座、顶部重叠小圆及圆内短弧线。首个及最后一个合格采样帧均为9.75秒，各组成部分已完整呈现；前一帧9.50秒仅有大圆，底座、小圆和内弧尚未建立。区间到达视频末尾，没有后续采样帧。选择9.75秒作为关键帧，目标清晰完整且无遮挡。","start_frame":234,"end_frame":240,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[41.7,126.9,181.3,398.1],"positive_points":[[112,158],[82,250],[141,247],[57,363],[165,362],[72,221]],"negative_points":[[25,250],[110,90],[112,445],[228,260]],"evidence":"目标是最左列的白色圆形徽记，顶部叠有小圆，下方连接圆角矩形底座。边界框覆盖大小圆、内部短弧和完整底座；正点分布于大小圆内部、底座内部及短弧，负点位于徽记外的红色背景和右侧白色分隔线上。"}},{"name":"Second-column circular emblem","description":"The lower-positioned graphic in the second red column, formed by a large white outlined circle overlapping a white rounded rectangular base, with a short curved accent near the circle’s upper-left side.","membership":"Include the large circular boundary and interior, the supporting rectangular outline and enclosed area, and the curved inner accent. Exclude the column background and dividers.","id":"obj_016","temporal":{"status":"found","start_s":9.75,"end_s":10.0,"reference_s":9.75,"evidence":"目标位于第二个红色竖栏下部，由白色大圆、与其重叠的圆角矩形底座及圆内左上方短弧组成。9.75秒是首个也是最后一个符合条件的采样帧，三部分结构均已完整呈现；前一帧9.50秒底座仍是圆下方的小段轮廓，内侧短弧尚未出现，属于构建阶段。选择9.75秒作为关键帧，目标清晰且无遮挡。区间延伸至视频末尾10.00秒，其后无采样帧。","start_frame":234,"end_frame":240,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[289.6,501.9,429.7,760.2],"positive_points":[[360,534],[324,584],[390,603],[356,666],[306,726],[414,723]],"negative_points":[[265,640],[453,663],[360,815],[355,446]],"evidence":"目标是第二个红色竖栏中位置偏下的白色圆形徽记。边界框紧贴大圆及其下方圆角矩形底座，包含左上侧短弧线。正点分布在圆内、短弧线及底座内部；负点位于目标四周的外部红色背景，避开图形内部和竖向分隔线。"}},{"name":"Third-column circular emblem","description":"The upper-positioned graphic in the third red column, with a white outlined circle above a white rectangular base and a small downward-pointing neck-like shape beneath the circle.","membership":"Include the circle and enclosed area, rectangular base and its interior, downward-pointing outlined shape and its interior, and short inner accent. Exclude the surrounding red column and layout borders.","id":"obj_017","temporal":{"status":"found","start_s":9.75,"end_s":10.0,"reference_s":9.75,"evidence":"目标位于第三个红色竖栏上方，由白色圆环、矩形底座、向下尖出的颈状轮廓及圆内短线组成。9.75秒为首个也是最后一个结构完整的采样帧；前一帧9.50秒已有主体轮廓，但尚未出现圆内短线。选择9.75秒作为关键帧，目标清晰且无遮挡。区间到达视频末尾，没有后续采样帧。","start_frame":234,"end_frame":240,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[553.6,109.3,683,363.9],"positive_points":[[614.6,157.4],[588.5,231.5],[645.8,240.7],[567.7,328.7],[661.5,328.7],[617.7,313.9]],"negative_points":[[520.8,259.3],[708.3,277.8],[614.6,60.2],[619.8,416.7]],"evidence":"目标位于第三个红色栏的上部，由白色圆环、矩形底座及圆下方的小倒尖颈状轮廓组成。边界框紧贴整个图形的可见外缘；正点分布于圆内、底座内部和颈状区域，负点位于图形上下左右的外围红色背景，避开栏间分隔线。"}}]}
+{"video_id":297,"video_type":"icons and abstract motion graphics","targets":[{"name":"Two-leaf sprout icon","description":"A teal line graphic with a long curved stem and two angular, arrowhead-like leaves, initially appearing near the center.","membership":"Includes the stem, both leaf outlines, and their connecting strokes. Open leaf contours remain open; excludes the surrounding white background and detached transition fragments.","id":"obj_001","temporal":{"status":"found","start_s":0.75,"end_s":1.0,"reference_s":0.75,"evidence":"目标为中央的青绿色双叶嫩芽，包含长弯茎、两个开放的箭头状叶轮廓及连接笔画。首个及最后一个合格采样帧均为0.75秒，此时结构完整清晰。此前0.50秒右叶轮廓和连接笔画仍在绘制；此后1.00秒茎与连接笔画已缩短、碎片化，开始解体变形。选择0.75秒作为关键帧，完整形状无遮挡，便于标注。","start_frame":18,"end_frame":24,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[336,328,664,696],"positive_points":[[368,343],[395,491],[450,462],[532,679],[602,452],[566,539]],"negative_points":[[270,460],[490,260],[745,530],[560,790]],"evidence":"图中中央的青绿色线条构成双叶幼芽，具有长弯曲茎和两个箭头状开放叶轮廓。边界框紧贴全部可见茎、叶轮廓及连接笔画；六个正点分布在这些实体线条上，四个负点位于图标外围的白色背景，避开叶内空白与笔画间隙。"}},{"name":"Two-part triangular figure","description":"A teal geometric figure consisting of a smaller rounded triangular upper element and a larger triangular lower element. The upper element rotates while the lower element expands and closes.","membership":"Includes both triangular components as one figure. Includes the enclosed area of a component when its contour closes; open contours remain open. Excludes the white space separating the components.","id":"obj_002","temporal":{"status":"found","start_s":1.25,"end_s":2.5,"reference_s":2.25,"evidence":"目标为上下分离的两个青绿色圆角三角形。首个合格帧为1.25秒，两部分的开放轮廓均已建立；随后上部旋转，下部扩大并闭合，均属于该图形的连续变化。最后合格帧为2.25秒。此前1.00秒仍是带长线的重叠箭头形态；此后2.50秒下部闭合轮廓开始被擦开并转变为其他图形。选择2.25秒作为关键帧，两部分清晰分离，下部闭合，便于标注。","start_frame":30,"end_frame":60,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[358,281,641,685],"positive_points":[[499,293],[452,344],[546,342],[385,591],[492,548],[568,673]],"negative_points":[[300,500],[700,530],[500,230],[500,750]],"evidence":"目标是中央青绿色的上下两部分三角形，边界框紧贴两组件的整体可见范围。正点分布在上方开口轮廓、下方闭合轮廓及其包含的内部区域；负点均位于整体外侧的白色背景，避开组件间隙和轮廓内部。"}},{"name":"Rising arrow with droplet","description":"A teal curved arrow pointing diagonally upward to the right, accompanied by an outlined teardrop beneath its head.","membership":"Includes the arrow shaft, open arrowhead, and droplet outline and enclosed area. Excludes the background between the arrow and droplet and any detached morphing fragments.","id":"obj_003","temporal":{"status":"found","start_s":3.0,"end_s":3.75,"reference_s":3.5,"evidence":"目标为青绿色向右上弯曲的箭头及箭头下方的空心水滴。3.00秒箭杆、开放箭头和水滴轮廓均已完整，水滴尚与箭头重叠；最后符合帧为3.50秒。此前2.75秒箭杆尚未画完整，水滴仍呈圆环；此后3.75秒箭杆开始缩短消退。选择3.50秒作为关键帧，箭头与水滴分离清晰，便于标注。","start_frame":72,"end_frame":90,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[356,350,643,650],"positive_points":[[374,624],[480,479],[515,363],[622,409],[554,559],[554,525]],"negative_points":[[300,490],[710,490],[550,290],[490,710]],"evidence":"目标为向右上方弯曲的青绿色箭头及箭头下方的水滴。边界框紧贴箭杆、开放式箭头和水滴的整体可见范围。正点分布在箭杆、箭头、水滴轮廓及其内部；负点位于目标外围的白色背景，避开内部空隙。"}},{"name":"Teapot icon","description":"A teal outlined teapot with a rounded triangular body, a lid and knob, a curved handle on the left, and an upturned spout on the right. It tilts and briefly displays a pouring mark beside the spout.","membership":"Includes the body boundary and enclosed area, lid, knob, handle, spout, and the associated pouring mark. Open handle and spout curves remain open. Excludes surrounding white background.","id":"obj_004","temporal":{"status":"found","start_s":5.0,"end_s":6.0,"reference_s":5.5,"evidence":"目标为青绿色描边茶壶，具有圆角三角形壶身、壶盖和盖钮、左侧开放曲线把手及右侧上翘壶嘴，倾斜时壶嘴旁出现倒水标记。首个完整帧为5.00秒，最后完整帧为5.75秒；此前4.75秒壶盖与壶身尚在组装，此后6.00秒把手、盖钮及壶嘴已消失，仅剩三角形轮廓。选择5.50秒作为关键帧，茶壶结构及倒水标记均清晰可辨。","start_frame":120,"end_frame":144,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[295,363,716,676],"positive_points":[[413,511],[439,403],[480,379],[311,406],[562,521],[697,604]],"negative_points":[[245,490],[570,379],[778,607],[466,735]],"evidence":"图中青绿色倾斜茶壶具有圆角壶身、壶盖和盖钮、左侧弯曲把手及右侧上翘壶嘴。边界框包含整个茶壶及右下方的倾倒标记；六个正点分别位于壶身内部、壶盖、盖钮、把手、壶嘴和倾倒标记上，负点均位于目标外侧的白色背景。"}},{"name":"Rotating rounded triangle","description":"A single closed teal rounded-triangle outline presented on its own after the teapot's handle, lid, and spout disappear. It rotates before additional triangular outlines appear behind it.","membership":"Includes the complete triangular boundary and its enclosed white area. Excludes detached transitional strokes and the later trailing outlines.","id":"obj_005","temporal":{"status":"found","start_s":6.0,"end_s":9.0,"reference_s":6.5,"evidence":"目标是茶壶附件消失后留下的独立、闭合青绿色圆角三角形，不包含后来出现的拖尾轮廓。首个合格帧为6.00秒；此前5.75秒仍有茶壶的盖、把手和壶嘴。三角形旋转并出现拖尾后，至8.75秒仍完整可见；9.00秒开始长出连接结构，转变为后续组合图标，因此最后合格帧为8.75秒。选择6.50秒作为关键帧，此时轮廓完整、独立且无遮挡。","start_frame":144,"end_frame":216,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[412,353,667,606],"positive_points":[[422,444],[511,384],[626,372],[633,490],[566,595],[526,470]],"negative_points":[[330,450],[730,460],[525,285],[530,685]],"evidence":"图中只有一个独立的青绿色圆角三角形闭合轮廓，与目标描述一致。边界框紧贴其最外缘，涵盖完整轮廓及内部白色区域；正点分布于轮廓各部分和内部，负点位于目标外围的白色背景，不落在封闭内部。"}},{"name":"Three-triangle stack icon","description":"Three teal rounded triangular forms arranged as a compact overlapping stack, with a complete front triangle on the right and two partial outlines behind it on the left.","membership":"Includes the front triangle and its enclosed area together with both visible rear outlines. Rear contours remain open; excludes white space outside the component shapes rather than filling the stack's bounding rectangle.","id":"obj_006","temporal":{"status":"found","start_s":7.25,"end_s":8.75,"reference_s":8.0,"evidence":"目标为右侧完整的青绿色圆角三角形与左侧两条开放后层轮廓组成的三层叠放图标。7.25秒首次三层结构均完整建立，虽仍有旋转也符合纳入规则；8.50秒为最后符合帧。此前7.00秒仅出现一条尚未展开的后层线条，之后8.75秒后层轮廓消失，仅剩单个三角形。选择8.00秒作为关键帧，三层形状清晰、易于区分且无遮挡。","start_frame":174,"end_frame":210,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[254.6,393.5,728.7,647.2],"positive_points":[[365,415],[270,600],[418,492],[435,637],[592,525],[715,579]],"negative_points":[[200,520],[490,340],[780,560],[530,710]],"evidence":"目标为三个青绿色圆角三角形组成的叠放图标，右侧轮廓完整，左侧露出两条开放的后层轮廓。边界框紧贴全部可见轮廓；正点分布在两条后层轮廓、前层右边缘及其包含的内部区域，负点均位于图标外围白色背景。"}},{"name":"Triangular target with arrow","description":"A teal target graphic with a small triangle nested inside a larger triangle on the right, and an arrow extending into it from an open triangular tail on the upper left.","membership":"Includes the outer target boundary and its enclosed area, the inner triangle, the arrow shaft, and the open triangular tail. Excludes background gaps outside these components; the tail remains open.","id":"obj_008","temporal":{"status":"found","start_s":9.5,"end_s":10.0,"reference_s":9.5,"evidence":"目标为右侧大三角内嵌小三角、由左上方开放三角尾部及箭杆连接的青绿色图标。首个完整帧为9.50秒，最后完整帧为9.75秒；前邻帧9.25秒的内三角仍未绘制闭合，后邻帧10.00秒的箭杆已消失，开始拆解。选择9.50秒作为关键帧，各指定组件完整清晰且无遮挡。","start_frame":228,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[281.5,346.3,723.2,656.5],"positive_points":[[400,356],[292,514],[445,502],[688,540],[590,593],[587,619]],"negative_points":[[250,500],[410,300],[770,560],[590,710]],"evidence":"图中青绿色图形与目标描述一致：右侧大三角形内嵌小三角形，斜向箭杆连接左上方开放三角形尾部。边界框紧贴完整图形的可见范围；正点覆盖尾部、箭杆、外边界、内三角形及规则包含的封闭内部区域，负点均位于图形外围背景。"}},{"name":"Wheelchair icon","description":"A teal side-view wheelchair graphic with a large nested triangular rear wheel, a smaller triangular front wheel, a seat, a tall back, and a forward footrest.","membership":"Includes the chair frame, seat, back, push handle, footrest, and both wheel outlines with their enclosed areas. Excludes surrounding background and open spaces between frame members.","id":"obj_009","temporal":{"status":"found","start_s":10.75,"end_s":11.0,"reference_s":10.75,"evidence":"目标为青绿色侧视轮椅，包含嵌套三角形大后轮、小三角形前轮、座椅、高靠背、推把和前伸脚踏。首个及最后一个合格采样帧均为10.75秒，此时全部结构完整。前一帧10.50秒的小前轮轮廓尚未闭合，整体仍在构建；后一帧11.00秒轮廓和椅架已开始断裂、消解。选择10.75秒作为关键帧，因为轮椅完整清晰且无遮挡。","start_frame":258,"end_frame":264,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[321,316,686,660],"positive_points":[[333,328],[385,422],[509,439],[444,611],[625,631],[667,576]],"negative_points":[[270,490],[520,280],[752,578],[494,746]],"evidence":"图中是青绿色侧视轮椅，具有高靠背、座面、嵌套三角形大后轮、小三角形前轮及向前伸出的脚踏。边界框紧贴完整图标；正点分布在推把、靠背、座面、两轮包含的内部区域和脚踏上，负点均位于图标外围白色背景，避开轮内区域及框架间隙。"}},{"name":"Stethoscope icon","description":"A teal stethoscope with two circular earpieces at the top, a broad Y-shaped upper tube, a curved lower tube, and a circular chestpiece to the left.","membership":"Includes all tubing, both earpiece rings and their enclosed areas, and the chestpiece ring and its enclosed area. Excludes white space between the open branches and outside the instrument.","id":"obj_010","temporal":{"status":"found","start_s":12.25,"end_s":12.75,"reference_s":12.25,"evidence":"目标为青绿色听诊器，具有顶部双圆环耳件、宽Y形上管、弯曲下管及左侧圆环胸件。首个完整帧为12.25秒，最后合格帧为12.50秒；此前12.00秒胸件与下管之间仍有尚未接合的小缺口，之后12.75秒耳件圆环和管路开始拆解。选择12.25秒作为关键帧，因整体结构完整清晰且无遮挡。","start_frame":294,"end_frame":306,"reference_frame":294},"grounding":{"status":"found","bbox_xyxy":[358,249,733,686],"positive_points":[[540,260],[678,300],[368,387],[609,492],[464,532],[540,675]],"negative_points":[[300,400],[800,330],[540,760],[680,180]],"evidence":"目标是白底上的青绿色听诊器。边界框紧贴两枚顶部耳件、上部叉形管、下部弯管及左侧圆形胸件的整体外缘。六个正点分布在耳件环、胸件环及各段管线上；四个负点位于器械外围的白色背景，避开环内区域和分支间隙。"}},{"name":"Interlinked gender-symbol graphic","description":"Two overlapping teal circular symbols: the left ring carries a triangular arrowhead on an upper-left stem, while the right ring carries a cross on an upper-right stem.","membership":"Includes both ring contours, their enclosed regions, both projecting stems, the triangular arrowhead and its enclosed area, and the cross. Preserves the visible openings and overlap structure; excludes surrounding background.","id":"obj_011","temporal":{"status":"found","start_s":13.5,"end_s":14.0,"reference_s":13.5,"evidence":"目标为两个交叠的青绿色圆环，左环上方连有三角箭头，右环上方连有十字。首个完整帧为13.50秒，最后完整帧为13.75秒；此前13.25秒左侧箭头与杆仍未连接，尚在组装，之后14.00秒圆环和连接杆已开始消解。选择13.50秒作为关键帧，两符号结构清晰，交叠关系及设计开口可辨。","start_frame":324,"end_frame":336,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[320,312,683,665],"positive_points":[[366,366],[397,448],[387,562],[557,559],[531,651],[613,398]],"negative_points":[[270,480],[745,477],[480,260],[502,727]],"evidence":"目标为中央两枚相互交叠的青绿色性别符号。边界框紧贴双环、左上三角箭头及其连接杆、右上连接杆和十字的可见外缘。正点分布在箭头内部、连接杆、双环所围区域、下方环线和十字上；负点均位于图形外围的白色背景，不落入内部空隙。"}},{"name":"Triangular eyeglasses icon","description":"A teal pair of eyeglasses with two downward-pointing rounded triangular lenses, a short connecting bridge, and diagonal reflection strokes inside each lens.","membership":"Includes both lens boundaries and enclosed areas, the bridge, and the reflection strokes within the lenses. Excludes the white background outside the glasses and the gap beneath the bridge.","id":"obj_012","temporal":{"status":"found","start_s":14.5,"end_s":15.0,"reference_s":14.75,"evidence":"目标为青绿色眼镜：两个向下的圆角三角形镜框、短连接桥及镜片内的斜向反光线。14.50秒镜框与连接桥已完整建立，反光线随后的位置和长度变化属于内部高光动画；最后合格帧为14.75秒。前一帧14.25秒仍是分离、未组装完成的形状。区间延续至视频末尾，无后续帧。选择14.75秒作为关键帧，眼镜轮廓及反光线最清晰。","start_frame":348,"end_frame":360,"reference_frame":354},"grounding":{"status":"found","bbox_xyxy":[245,418,747,641],"positive_points":[[301,428],[348,523],[365,592],[496,483],[665,495],[627,602]],"negative_points":[[200,515],[500,370],[799,518],[497,618]],"evidence":"目标是画面中央的青绿色三角形眼镜，具有两个圆角倒三角镜片、短鼻桥及斜向反光线。边界框紧贴整副眼镜的可见范围；正点分布于镜框、镜片内部、反光线和鼻桥，负点位于外围白色背景及鼻桥下方不属于眼镜的空隙。"}}]}
+{"video_id":298,"video_type":"icons and abstract motion graphics","targets":[{"name":"Light bulb icon","description":"White outline light bulb with a curved filament and screw base, initially displayed on the left red panel.","membership":"Include the bulb outline and enclosed area, internal strokes, and separate screw-base strokes. Exclude the red panel and small blue editing markers.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.25,"evidence":"目标是左侧红色面板上的白色轮廓灯泡，含弯曲灯丝和分离的螺口底座笔画，不含蓝色编辑标记。首个合格帧为0.00秒，灯泡已完整呈现；最后合格帧为0.50秒，仍完整可见。0.75秒时灯泡已消失，画面转为其他图标的构建阶段。区间始于视频开头，无更早采样帧。选择0.25秒作为关键帧，灯泡结构清晰、无遮挡。","start_frame":0,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[177.1,292.6,326,714.8],"positive_points":[[275,304.6],[240,375],[225.5,507.4],[250.5,606.5],[252.6,635.2],[249,710.2]],"negative_points":[[150,480],[380,470],[252,230],[252,800]],"evidence":"目标是左侧红色面板上的白色灯泡图标。边界框紧贴灯泡外轮廓及下方独立螺口笔画；正点覆盖顶部轮廓、允许包含的内部区域、内部笔画和螺口。负点位于图标四周的外部红色背景，未将蓝色编辑标记选为正点。"}},{"name":"Resizable icons text","description":"Two-line white text reading “Resizable icons” and “Easy to use,” beside the opening light bulb.","membership":"Include both lines of lettering as one text block. Exclude the orange backing and panel dividers.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0.25,"evidence":"目标是开场灯泡右侧的两行白字“Resizable icons”和“Easy to use”。首个合格帧为0.00秒，最后合格帧为0.50秒，两行文字均完整可见；0.75秒时文字已被转场面板遮去一部分，因此排除。区间始于视频开头，无更早采样帧。选择0.25秒作为关键帧，文字完整清晰且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[612.5,440.7,871.4,569.4],"positive_points":[[616.1,463.9],[725.5,461.1],[862.5,480.6],[655.7,538.9],[744.3,543.5],[833.3,557.4]],"negative_points":[[578.1,495.4],[901,498.1],[739.6,385.2],[734.4,618.5]],"evidence":"目标是灯泡右侧的两行白字“Resizable icons”和“Easy to use”。边界框紧贴整个文字块，包含两行及行间空隙。六个正点分布在两行的字母笔画上；四个负点位于文字块上下左右的外部橙色背景，不含分隔线。"}},{"name":"Bank building icon","description":"Classical bank with a triangular roof, circled dollar sign, three columns, and stepped foundation in the upper-left pink section.","membership":"Include the roof, dollar emblem, columns, and foundation, including areas enclosed by their outlines. Exclude background gaps between columns and panel dividers.","id":"obj_003","temporal":{"status":"found","start_s":1.75,"end_s":2.5,"reference_s":2.0,"evidence":"目标是粉色区域左上方的银行图标，包含三角屋顶、圆圈美元标志、三根柱子和阶梯地基。首个合格帧为1.75秒，全部结构已完整；此前1.50秒屋顶轮廓仍未绘制完成。最后合格帧为2.25秒，2.50秒红色转场遮罩已遮去图标左侧，开始退出。选择2.00秒作为关键帧，图标完整清晰、无遮挡，便于标注。","start_frame":42,"end_frame":60,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[42.7,83.3,226.0,430.6],"positive_points":[[101.6,207.4],[134.9,175.0],[85.4,319.4],[134.4,320.4],[182.3,319.4],[138.0,415.7]],"negative_points":[[26.0,324.1],[244.8,310.2],[135.4,476.9],[283.3,351.9]],"evidence":"目标是左上粉色面板中的古典银行图标。边界框紧贴三角屋顶至阶梯基座，涵盖美元徽记和三根柱子。六个正点分布在屋顶、徽记、三根柱子及基座的轮廓内；负点位于图标外围背景及右侧面板分隔线上，不涉及柱间空隙。"}},{"name":"Stack of banknotes icon","description":"Overlapping rectangular banknotes with a central dollar emblem, assembled in the upper-middle pink section.","membership":"Include the visible banknote boundaries, enclosed surfaces, dollar emblem, and corner marks. Exclude the surrounding panel.","id":"obj_004","temporal":{"status":"found","start_s":2.0,"end_s":2.75,"reference_s":2.25,"evidence":"目标是粉色区域上方中央的叠放纸币图标，包含多层矩形边界、中央美元符号和角标。首个完整帧为2.00秒，1.75秒的美元符号仍未绘制完成；最后合格帧为2.50秒，此时纸币仍完整可见，2.75秒已被红色新场景替换。选择2.25秒作为关键帧，图标清晰完整且无遮挡。","start_frame":48,"end_frame":66,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[360.4,213,567.7,393.5],"positive_points":[[384,245],[522,317],[450,281],[559,350],[541,386],[384,365]],"negative_points":[[328,296],[590,318],[461,171],[463,439]],"evidence":"目标位于上方中央粉色分区，由多张错叠的矩形钞票及中央美元符号组成。边界框紧贴整叠钞票的可见外缘；正点分布在正面票面、美元标志及右侧和下方露出的叠层，负点均位于图标外的周围面板背景。"}},{"name":"Open envelope icon","description":"White outlined open envelope with a letter rising from it in the upper-right pink section.","membership":"Include the envelope, open flap, exposed letter, and their enclosed areas and internal lines. Exclude the panel.","id":"obj_005","temporal":{"status":"found","start_s":1.75,"end_s":2.5,"reference_s":2.0,"evidence":"目标是粉色区域右上方的白色开口信封，包含翻盖、露出的信纸及内部线条。首个完整呈现帧为1.75秒，最后合格帧为2.25秒；此前1.50秒信纸文字线和信封内部斜线仍在绘制，此后2.50秒右侧退出遮罩已裁去信封部分结构。选择2.00秒作为关键帧，目标完整清晰且无遮挡。","start_frame":42,"end_frame":60,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[717.7,91.7,916.1,446.3],"positive_points":[[811.5,143.5],[825.5,245.4],[755.2,378.7],[875,390.7],[736.5,231.5],[893.2,229.6]],"negative_points":[[682.3,314.8],[953.1,324.1],[822.9,509.3],[812.5,50.9]],"evidence":"目标是右上粉色分区内的白色轮廓开口信封，信纸从中露出。边界框紧贴信纸顶部及信封左右和底部外缘，包含开口翻盖、内部线条及其围合区域。六个正点分布于信纸、信封主体和两侧翻盖内；四个负点位于图标上下左右的外部粉色背景。"}},{"name":"Shopping bag icon","description":"Rounded rectangular shopping bag with a black loop handle and two white attachment rings in the lower-left pink section.","membership":"Include the bag body and enclosed area, handle stroke, and attachment rings. Exclude the open space beneath the handle outside the bag and the surrounding panel.","id":"obj_006","temporal":{"status":"found","start_s":1.25,"end_s":2.75,"reference_s":2.25,"evidence":"目标是粉色区域左下方的购物袋，具有圆角袋身、黑色环形提手和两个白色连接环。1.25秒时结构已完整，随后袋身变形和摆动仍属同一对象；2.50秒是最后完整可见帧。此前1.00秒的袋身及提手尚未绘制完成，之后2.75秒已被红色场景替换。选择2.25秒作为关键帧，袋身直立、轮廓清晰且无遮挡。","start_frame":30,"end_frame":66,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[127.1,625.9,238.5,930.6],"positive_points":[[182.8,628.1],[158.3,726.9],[207.8,746.3],[148.4,796.3],[213.5,800],[182.8,898.1]],"negative_points":[[106.3,804.6],[262,804.6],[183.3,588.9],[182.8,956.5]],"evidence":"目标是左下粉色分区中的购物袋。紧框覆盖黑色环形提手、白色袋身轮廓及两个连接环；正点分布在提手线条、连接环和袋身内部，负点位于袋子左右、上方及下方的外部背景，不标记提手下方的空隙。"}},{"name":"Line chart icon","description":"Four circular data markers connected by an ascending zigzag above a rounded baseline in the lower-middle pink section.","membership":"Include the marker outlines and interiors, connecting segments, and rounded baseline with its enclosed area. Exclude the open spaces between these elements and the panel.","id":"obj_007","temporal":{"status":"found","start_s":2.0,"end_s":2.75,"reference_s":2.25,"evidence":"目标是粉色区域下方中间的折线图标，由四个圆形数据点、上升锯齿连线及圆角基线组成。首个完整帧为2.00秒；此前1.75秒通往最右上数据点的连线尚未画完。最后合格帧为2.50秒，周围虽开始转场，但图标本身仍完整；2.75秒已消失。选择2.25秒作为关键帧，图标结构清晰且无遮挡。","start_frame":48,"end_frame":66,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[446.4,657.4,618.8,907.4],"positive_points":[[469.8,836.6],[514.1,729.6],[544.3,766.7],[594.8,675],[492.2,783.3],[541.7,890.7]],"negative_points":[[416.7,759.3],[645.8,777.8],[541.7,944.4],[802.1,814.8]],"evidence":"目标位于下方中间粉色面板，由四个圆形数据标记、上升折线和圆角基线组成。边界框紧密覆盖这些元素；正点分布于四个标记内部、连接线及基线内部，负点位于图标外侧背景和右侧独立柱状图上。"}},{"name":"Bar chart icon","description":"Three black outlined bars increasing in height above a white rounded baseline in the lower-right pink section.","membership":"Include each bar and its enclosed area and the baseline and its enclosed area. Exclude gaps between bars and the panel.","id":"obj_008","temporal":{"status":"found","start_s":1.5,"end_s":2.5,"reference_s":2.0,"evidence":"目标为粉色区域右下方的三根黑色描边柱及白色圆角基线。1.50秒三根柱和基线均已完整形成，随后柱高变化属于完整图标的动画；前一帧1.25秒仅有基线，柱体尚未出现。最后合格帧为2.25秒，2.50秒右侧红色遮罩已遮去部分图标。选择2.00秒作关键帧，三柱递增形态清楚且无遮挡。","start_frame":36,"end_frame":60,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[768.8,644.4,926.6,921.3],"positive_points":[[802.1,812],[846.4,754.6],[890.6,685.2],[890.6,844.4],[781.3,908.3],[906.3,908.3]],"negative_points":[[750,740.7],[944.8,791.7],[859.4,611.1],[838.5,953.7]],"evidence":"目标位于右下粉色分区，由三个高度递增的黑色轮廓柱和白色圆角基线组成。边界框紧贴全部柱形及基线的外缘；六个正点分布在柱形和基线的内部，四个负点位于图标外围的面板背景，避开柱间空隙。"}},{"name":"USB flash drive icon","description":"Vertical flash drive assembled in the large left red section, with a white body and black outlined upper cap bearing a U-shaped detail.","membership":"Include the drive body, cap, exposed connector when visible, enclosed surfaces, and internal strokes. Exclude the red panel.","id":"obj_009","temporal":{"status":"found","start_s":3.75,"end_s":4.25,"reference_s":3.75,"evidence":"目标是左侧大红色分区中的竖直U盘，具有白色外框主体和带U形笔画的黑色外框上盖。首个完整帧为3.75秒，连接部、主体及上盖均已建立；3.50秒连接部仍在展开组装。最后合格帧为4.00秒，上盖合拢仍属完整目标；4.25秒转场遮罩已将其移除。选择3.75秒作关键帧，可清楚区分主体、上盖与露出的连接部。","start_frame":90,"end_frame":102,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[168.75,137.96,248.96,533.33],"positive_points":[[179.69,168.52],[235.94,220.37],[208.33,277.78],[183.33,361.11],[233.85,445.37],[205.21,508.33]],"negative_points":[[140.63,407.41],[286.46,379.63],[208.33,92.59],[208.33,592.59]],"evidence":"目标是左侧大红色分区内竖直的USB闪存盘，上盖为黑色轮廓并带U形线条，下部为白色轮廓。边界框紧贴上盖、露出的连接部和主体的整体外缘。正点分布在上盖、连接部及主体的封闭表面内；负点位于目标上下左右、远离边缘的红色面板背景上。"}},{"name":"404 browser icon","description":"Small browser-window graphic with three circular controls, an address bar, and large “404” lettering in the upper-right red section.","membership":"Include the complete rounded browser frame and enclosed surface, including controls, address bar, and “404” text. Exclude the surrounding panel.","id":"obj_010","temporal":{"status":"found","start_s":4.0,"end_s":4.25,"reference_s":4.0,"evidence":"目标是右上方红色区域内含三个圆形控件、地址栏及“404”文字的圆角浏览器图标。4.00秒首次完整呈现，也是最后一个合格采样帧；前一帧3.75秒的“404”笔画仍在绘制，后一帧4.25秒图标已被转场移除。选择4.00秒作为关键帧，因为图标结构完整、清晰且无遮挡。","start_frame":96,"end_frame":102,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[609.9,44.4,806.8,292.6],"positive_points":[[623,64],[706,90],[653,199],[706,194],[754,208],[715,267]],"negative_points":[[580,170],[834,160],[713,326],[714,22]],"evidence":"目标位于右上方红色分区，以三个圆形控件、地址栏和大号“404”文字识别。边界框紧贴完整圆角浏览器外框，包含内部表面及所有图形文字。正点分布于控件、地址栏、文字和内部表面；负点位于外框四周的红色面板背景。"}},{"name":"Computer mouse icon","description":"Vertical rounded mouse with a divided button area and small circular detail in the middle-right red section.","membership":"Include the mouse outline, enclosed body, and internal button details. Exclude temporary radiating click marks and the panel.","id":"obj_011","temporal":{"status":"found","start_s":3.5,"end_s":4.25,"reference_s":4.0,"evidence":"目标是红色画面右侧中部的竖直圆角鼠标图标，包含完整外轮廓、弧形按钮分界线、竖线和小圆形细节，不含点击放射线及面板。首个合格帧为3.50秒，末个为4.00秒；此前3.25秒仅有胶囊状轮廓，内部结构尚未绘成，此后4.25秒被转场遮罩移除。选择4.00秒作为关键帧，鼠标结构清楚且无遮挡，也无临时点击放射线。","start_frame":84,"end_frame":102,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[642.2,416.7,725.5,699.1],"positive_points":[[683.9,466],[660.4,497.2],[705.2,502.8],[683.9,538],[660.9,624.1],[697.9,664.8]],"negative_points":[[620,490],[755,520],[750,680],[680,380]],"evidence":"目标是右侧中部红色分区内的竖直圆角鼠标图标，带弧形按键分界、小圆形细节和竖线。边界框紧贴鼠标外轮廓，包含封闭机身及内部细节。六个正点分布于按键、细节与下部机身；四个负点位于鼠标外侧的红色面板背景，不包含内部空白。"}},{"name":"Hard disk icon","description":"Perspective hard drive with a circular platter, read arm, corner fasteners, and front edge, centered in the bottom red section.","membership":"Include the drive's exterior outline and enclosed surfaces, platter, arm, fasteners, and front-edge detail. Exclude the surrounding panel.","id":"obj_012","temporal":{"status":"found","start_s":3.75,"end_s":4.25,"reference_s":4.0,"evidence":"目标是底部红色分区中央的透视硬盘图标，包含外壳、圆形盘片、读写臂、角部紧固件和前缘。首个完整帧为3.75秒，最后 qualifying 帧为4.00秒；此前3.50秒盘片和读写臂仍在绘制，之后4.25秒图标已被转场移除。选择4.00秒作为关键帧，因结构清晰完整且无遮挡。","start_frame":90,"end_frame":102,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[414.6,767.6,520.3,974.1],"positive_points":[[437,783],[497,783],[465,839],[493,881],[425,908],[471,952]],"negative_points":[[382,870],[553,884],[472,741],[594,959]],"evidence":"目标是底部红色区域中央的透视硬盘图标，可见圆形盘片、读写臂、角部螺钉和前沿。边界框紧贴硬盘完整外轮廓；正点分布在螺钉、盘片、读写臂、外壳表面和前沿，负点位于硬盘外的红色面板背景。"}},{"name":"Laptop icon","description":"Open laptop with a white outer frame, black inset screen, and narrow base in the upper-left orange section.","membership":"Include the screen housing, enclosed screen, base, and small device details. Follow the complete laptop silhouette; exclude the orange panel.","id":"obj_013","temporal":{"status":"found","start_s":5.0,"end_s":6.25,"reference_s":5.75,"evidence":"目标是橙色画面左上方的笔记本图标，具有白色屏幕外框、黑色内屏和窄底座。5.00秒首次具备完整结构，随后内屏缩放、位置变化不影响其完整性；6.00秒为最后合格帧。此前4.75秒仅有外框和底座，黑色内屏尚未出现；此后6.25秒图标已被转场移除。选择5.75秒作为关键帧，轮廓与设备细节清晰且无遮挡。","start_frame":120,"end_frame":150,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[15.1,136.1,265.6,412.0],"positive_points":[[140,162],[45,260],[85,240],[200,335],[50,395],[245,394]],"negative_points":[[20,250],[140,95],[270,180],[140,475]],"evidence":"目标是左上橙色分区中的笔记本电脑图标，具有白色外框、黑色屏幕边线和窄底座。边界框紧贴完整电脑轮廓，涵盖屏幕外壳、屏幕内部、底座及小细节。正点分布于外框、屏幕和底座，负点位于电脑轮廓外的橙色背景。"}},{"name":"Arrow pointer icon","description":"Large white outlined arrow cursor pointing toward the upper left, presented as a standalone graphic in the upper-middle orange section.","membership":"Include the arrow boundary and enclosed area, following its notched outline. Exclude the surrounding panel.","id":"obj_014","temporal":{"status":"found","start_s":4.5,"end_s":6.25,"reference_s":5.5,"evidence":"目标是橙色上方中间分区内、指向左上方的白色空心箭头，具有明确的内凹缺口。4.50秒轮廓已完整建立，随后移动及点击装饰变化不影响其完整性；最后合格帧为6.00秒。前一帧4.25秒尚未出现完整箭头，后一帧6.25秒箭头已消失并开始场景转换。选择5.50秒作为关键帧，箭头轮廓清晰、无遮挡，便于独立标注。","start_frame":108,"end_frame":150,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[406.3,155.6,543.2,393.5],"positive_points":[[421.9,189.8],[458.3,233.3],[509.9,240.7],[454.7,336.1],[496.9,317.6],[525.5,362.0]],"negative_points":[[375,259.3],[567.7,324.1],[479.2,435.2],[140.6,259.3]],"evidence":"目标是图像上方中部橙色区域内朝左上方的白色轮廓箭头。边界框紧贴箭头尖端、右侧转��和底部轮廓；六个正点分布于箭头头部及尾柄的封闭内部，四个负点位于箭头外的橙色背景及左侧笔记本图形上。"}},{"name":"Download icon","description":"Black downward arrow entering a white outlined tray in the tall right orange section.","membership":"Include the arrow outline and enclosed area and the tray's outer and inner strokes. Preserve the tray's open top; exclude surrounding panel space.","id":"obj_015","temporal":{"status":"found","start_s":5.0,"end_s":6.25,"reference_s":5.5,"evidence":"目标是右侧橙色高面板内的黑色向下箭头和白色双线开口托盘。5.00秒时箭头及托盘内外轮廓已完整，最后合格帧为6.00秒；此前4.75秒托盘内侧轮廓尚未绘制完成，此后6.25秒目标已在面板转场中消失。选择5.50秒作为关键帧，形状清晰完整且无遮挡。","start_frame":120,"end_frame":150,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[705.2,246.3,919.3,681.5],"positive_points":[[816.1,304.6],[815.1,474.1],[733.3,340.7],[917.7,517.6],[796.9,678.7],[732.3,550.9]],"negative_points":[[677.1,463.0],[945.3,518.5],[812.5,740.7],[815.1,194.4]],"evidence":"目标位于右侧橙色长面板，是黑色向下箭头与白色开口托盘组成的下载图标。边界框紧贴箭头顶部及托盘左右、底部外缘。正点分布在箭头包围区域和托盘内外轮廓线上；负点位于图标四周的外部橙色背景，避开托盘内部和顶部开口。"}},{"name":"Camera icon","description":"Front-facing camera with a large circular lens, small flash, and raised top feature in the lower-left orange section.","membership":"Include the camera silhouette and enclosed body, raised top feature, lens rings and interiors, flash, and detail strokes. Exclude the panel.","id":"obj_016","temporal":{"status":"found","start_s":5.5,"end_s":6.25,"reference_s":5.5,"evidence":"目标是橙色区域左下方的相机图标，包含机身、凸起顶部、同心镜头、闪光灯和细节短线，不含面板。5.50秒首次完整呈现，6.00秒为最后合格帧；此前5.25秒右上细节短线仍在绘制，此后6.25秒图标已被转场移除。选择5.50秒作为关键帧，因相机正面轮廓完整清晰且无遮挡。","start_frame":132,"end_frame":150,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[203.6,611.1,450,944.4],"positive_points":[[236,693],[393,635],[326,796],[226,877],[427,881],[403,719]],"negative_points":[[175,795],[480,800],[330,580],[330,974]],"evidence":"目标是左下橙色分区内带大圆形镜头的相机图标。边界框紧贴机身外轮廓及顶部凸起，包含镜头、闪光灯和细节线条。正点分布在机身、镜头内部、闪光灯和顶部凸起上；负点位于相机四周的外部橙色面板，不标记机身内部空白。"}},{"name":"Desktop monitor icon","description":"White outlined desktop display with a short pedestal and black circular lower-bezel detail in the upper green section.","membership":"Include the monitor housing and enclosed screen, bezel details, and pedestal with its enclosed area. Exclude the surrounding green panel.","id":"obj_017","temporal":{"status":"found","start_s":7.25,"end_s":8.25,"reference_s":7.5,"evidence":"目标是绿色上半区的白色轮廓桌面显示器，包含短底座及下边框黑色圆形细节。7.25秒首次完整呈现；此前7.00秒仅有显示屏外框，底座尚未建立。最后合格帧为8.00秒，周围虽出现红色转场遮罩，但显示器自身仍完整；8.25秒已消失。选择7.50秒为关键帧，显示器结构清楚且无遮挡。","start_frame":174,"end_frame":198,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[403.1,114.8,604.2,420.4],"positive_points":[[430,160],[570,175],[498,255],[440,322],[498.4,324],[503,388]],"negative_points":[[370,235],[635,245],[503,455],[500,600]],"evidence":"目标为上方绿色区域中的白色轮廓桌面显示器，下边框带黑色圆形细节。边界框紧贴显示器外壳及短底座；正点分布在屏幕内部、下边框、黑色圆圈和底座内部，负点位于目标左右及下方的外部背景。"}},{"name":"Pointing hand icon","description":"White outlined hand with an extended index finger, displayed beneath the monitor in the lower green section.","membership":"Include the hand outline and enclosed area, following the finger and thumb contours. Exclude temporary radiating click marks and the panel.","id":"obj_018","temporal":{"status":"found","start_s":6.75,"end_s":8.0,"reference_s":7.5,"evidence":"目标是绿色下方面板中、显示器下方的白色轮廓伸食指手形，不包含临时点击射线。首个完整呈现帧为6.75秒，最后合格帧为7.75秒；此前6.50秒手形底部仍被画面边缘裁切，此后8.00秒手形开始被红色转场遮罩遮挡。选择7.50秒作为关键帧，因为手形轮廓完整清晰、无遮挡且无点击射线。","start_frame":162,"end_frame":192,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[422.9,655.6,555.7,915.7],"positive_points":[[473.4,686.1],[473.4,789.8],[436.5,827.8],[491.1,871.3],[496.9,763],[542.2,834.3]],"negative_points":[[395.8,768.5],[588.5,838],[494.8,958.3],[541.7,685.2]],"evidence":"目标是显示器下方绿色区域中的白色描边指向手形。边界框紧贴食指顶端、拇指左缘、右侧指缘及掌底；正点分布在食指、拇指、其余手指和掌部的轮廓内，负点位于手形外侧的绿色背景，不包含面板或其他图形。"}},{"name":"Basketball icon","description":"White circular basketball with black curved seam lines in the upper-left red section.","membership":"Include the outer circle and its entire enclosed area, including all seam lines. Exclude the red panel.","id":"obj_019","temporal":{"status":"found","start_s":9.0,"end_s":10.0,"reference_s":9.5,"evidence":"目标是红色区域左上方的篮球图标，具有白色圆形外轮廓和黑色弯曲接缝。9.00秒首次完整呈现，之后旋转仍保持完整，最后合格帧为9.75秒。此前8.75秒接缝仍在绘制、尚未完整；此后10.00秒图标被橙色转场遮罩移除。选择9.50秒作为关键帧，篮球轮廓和全部接缝清晰且无遮挡。","start_frame":216,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[67.2,115.7,241.1,424.1],"positive_points":[[149.5,142.6],[99,217.6],[203,217.6],[92.7,314.8],[156.8,378.7],[206.3,323.1]],"negative_points":[[36,260],[270,270],[155,75],[160,485]],"evidence":"目标是左上红色分区内带黑色弧形接缝的白色圆形篮球。边界框紧贴外圆，覆盖圆周及全部内部区域；六个正点分布在球内不同部位，四个负点位于球外上下左右的红色面板背景。"}},{"name":"Car icon","description":"Side-view compact car with a domed roof, white body, and two black outlined wheels in the upper-middle red section.","membership":"Include the body and roof outlines and enclosed surfaces, window division, wheels and interiors, and vehicle details. Follow the vehicle silhouette and exclude surrounding panel space.","id":"obj_020","temporal":{"status":"found","start_s":9.25,"end_s":10.0,"reference_s":9.5,"evidence":"目标是红色画面上方中间的侧视小汽车，具有白色圆顶车身、车窗分隔线和两个黑色轮廓车轮。9.25秒首次完整呈现，9.75秒为最后合格帧；此前9.00秒车窗分隔线尚未绘制完成，此后10.00秒左侧车身开始被橙色面板遮去。选择9.50秒为关键帧，汽车结构完整、清晰且无遮挡。","start_frame":222,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[378,129,590.6,407.4],"positive_points":[[460,195],[523,202],[392,303],[575,302],[421,366],[544,366]],"negative_points":[[350,320],[491,90],[490,454],[621,309]],"evidence":"目标是上方中间红色分区内的侧视汽车，具有圆顶车顶、白色车身轮廓和两个黑色轮廓车轮。边界框紧贴车顶、车身两端及车轮底部；六个正点分布在车顶、车身和两轮内部，四个负点位于汽车外围的红色面板背景。"}},{"name":"Standalone cloud icon","description":"Single white outlined cloud with black curved accents in the upper-right red section, separate from the clouds accompanying the globe.","membership":"Include the cloud's lobed boundary and enclosed area and its interior accents. Exclude the panel and the separate globe illustration.","id":"obj_021","temporal":{"status":"found","start_s":8.75,"end_s":10.25,"reference_s":9.5,"evidence":"目标是右上方红色分区内的独立白色轮廓云，带黑色弧形内饰，与下方地球旁的小云分开。8.75秒时轮廓及内部弧线已完整，之前8.50秒内部饰线仍在绘制；最后合格帧为10.00秒，转场尚未遮挡该云，10.25秒已被替换。选择9.50秒作为关键帧，云形清晰完整且无遮挡。","start_frame":210,"end_frame":246,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[744.8,165.7,925.5,360.2],"positive_points":[[760.4,314.8],[781.3,254.6],[817.7,296.3],[854.2,203.7],[885.4,261.1],[906.3,324.1]],"negative_points":[[729.2,416.7],[942.7,259.3],[833.3,101.9],[867.2,693.5]],"evidence":"目标是右上红色分区内独立的白色轮廓云，内部有黑色弧线。边界框紧贴整朵云的可见外缘；六个正点分布于各云瓣及其包围区域，负点位于云外红色背景和右下地球旁的另一朵云上。"}},{"name":"Meshing gears icon","description":"A large white outlined gear and a smaller black outlined gear form a compact mechanism in the lower-left red section.","membership":"Include both toothed gear shapes and their enclosed areas, including central rings. Follow the individual teeth and notches; exclude exterior gaps and the panel.","id":"obj_022","temporal":{"status":"found","start_s":8.75,"end_s":10.0,"reference_s":9.5,"evidence":"目标是红色画面左下方相互啮合的大白色轮廓齿轮与小黑色轮廓齿轮。8.75秒两枚齿轮及中心环均已完整呈现，持续至9.75秒；前一帧8.50秒中心环尚在构建，后一帧10.00秒齿轮被橙色转场遮罩移除。选择9.50秒作为关键帧，两枚齿轮轮廓清晰、无遮挡。","start_frame":210,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[127.1,623.1,362.5,931.5],"positive_points":[[205.7,680.6],[143.8,787.0],[250.0,870.4],[207.8,789.8],[316.7,671.3],[342.7,728.7]],"negative_points":[[98.4,787.0],[210.9,963.0],[382.3,703.7],[302.1,851.9]],"evidence":"目标位于左下红色分区，由白色轮廓的大齿轮与黑色轮廓的小齿轮组成。边界框紧包两个齿轮的全部齿尖和轮廓；正点分布在两齿轮的齿部及内部区域，负点位于齿轮外侧的红色背景，不落入中心孔或轮廓内部。"}},{"name":"Globe with clouds icon","description":"White outlined globe with changing black continent contours and two small flanking clouds in the lower-right red section.","membership":"Include the globe boundary and enclosed area, continent lines, and the two accompanying cloud shapes and interiors. Exclude surrounding space and panel dividers.","id":"obj_023","temporal":{"status":"found","start_s":8.5,"end_s":10.0,"reference_s":9.5,"evidence":"目标位于红色画面右下分区，由白色地球圆框、黑色大陆轮廓及左右两朵小云组成。8.50秒首次全部完整呈现，虽仍在缩放和旋转，但结构已齐全；9.75秒为最后合格帧。此前8.25秒尚未出现两朵伴随云；此后10.00秒橙色遮罩开始遮住左侧云及地球部分区域。选择9.50秒为关键帧，地球与两朵云清晰完整、无遮挡。","start_frame":204,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[614,612,905.5,967.6],"positive_points":[[639,877],[870,691],[726,682],[685,789],[755,900],[807,777]],"negative_points":[[578,766],[932,824],[755,579],[920,952]],"evidence":"目标位于右下红色分区，由白色圆形地球轮廓、黑色大陆线及左下和右上两朵小云组成。边界框覆盖地球和两朵云的完整可见范围；正点分布于地球内部及两朵云内部，负点位于图标外侧的红色背景，避开轮廓和面板分隔线。"}},{"name":"Flag icon","description":"Waving rectangular flag on a vertical white pole in the upper-left orange section.","membership":"Include the pole stroke, wavy flag boundary and enclosed fabric area, and internal detail strokes. Exclude the panel.","id":"obj_024","temporal":{"status":"found","start_s":11.0,"end_s":11.75,"reference_s":11.25,"evidence":"目标是橙色左上分区内的白色竖杆波浪旗，包含旗面边界和黑色内部细节。首个完整帧为11.00秒，最后完整帧为11.50秒；此前10.75秒旗面仍在展开绘制，之后11.75秒被粉色转场遮罩移除。选择11.25秒作为关键帧，旗杆、旗面及内部笔画清晰且无遮挡。","start_frame":264,"end_frame":282,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[97.4,95.4,226.6,430.6],"positive_points":[[98.9,392.6],[98.9,302.8],[126,185],[198,166],[128,138],[225.5,210]],"negative_points":[[55,185],[255,190],[164,352],[476,230]],"evidence":"目标是左上橙色分区中的波浪矩形旗帜。框紧贴旗面边界与白色旗杆，包含旗面内部及黑色细节线；正点分布在旗杆、旗面、边界和细节线上，负点位于旗帜外部的橙色背景及右侧胶囊图标上。"}},{"name":"Capsule icon","description":"Two-part medicine capsule with a white upper half and black lower outline in the upper-middle orange section.","membership":"Include the capsule's complete rounded boundary, enclosed area, dividing line, and highlight strokes. Exclude the panel.","id":"obj_025","temporal":{"status":"found","start_s":11.0,"end_s":11.75,"reference_s":11.25,"evidence":"目标是橙色画面上方中间的两段式胶囊，具有白色上半轮廓、黑色下半轮廓、分隔线及高光短线。11.00秒首次完整呈现，11.50秒为最后合格帧；前一帧10.75秒尚未画出高光细节，后一帧11.75秒已被转场色块遮除。选择11.25秒作为关键帧，胶囊完整直立、轮廓清楚且无遮挡。","start_frame":264,"end_frame":282,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[438.5,66.7,514.1,396.3],"positive_points":[[464.1,117.6],[494.3,152.8],[476.0,230.6],[453.6,290.7],[492.7,322.2],[476.0,390.7]],"negative_points":[[411.5,203.7],[541.7,250.0],[478.6,439.8],[364.6,134.3]],"evidence":"目标位于上方中间橙色面板内，是上半部白色轮廓、下半部黑色轮廓的胶囊。边界框紧贴完整圆角外边界；正点分布在上下半部内部、分割线及底部轮廓，负点均位于胶囊外部的橙色面板背景。"}},{"name":"Wristwatch icon","description":"Large round analog wristwatch with a tapered strap, black hour marks, and white hands in the tall right orange section.","membership":"Include the face boundary and enclosed area, hands, hour marks, and visible strap sections and their enclosed areas. Exclude the panel.","id":"obj_026","temporal":{"status":"found","start_s":10.75,"end_s":11.75,"reference_s":11.25,"evidence":"目标是右侧橙色高面板中的圆形腕��，具有渐窄表带、黑色时标和白色指针。10.75秒首次完整呈现，虽略有倾斜但结构已齐全；11.50秒为最后合格帧。此前10.50秒的时标和指针仍在构建，随后11.75秒腕表已被转场遮罩移除。选择11.25秒作为关键帧，此时腕表正立、轮廓清晰且无遮挡。","start_frame":258,"end_frame":282,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[751,264,936.5,761],"positive_points":[[838.5,305.6],[839,717.6],[784,477],[891,488],[838,582],[843,427]],"negative_points":[[721,333],[965,509],[842,185],[842,833]],"evidence":"目标是右侧高橙色分区中的圆形腕表，具有白色指针、黑色刻度和渐窄表带。边界框紧贴表盘及上下表带的完整可见范围；正点分布于表盘内部、指针和上下表带内部，负点位于腕表外侧的橙色面板背景。"}},{"name":"Eyeglasses icon","description":"Round spectacles with white lens rims, a black bridge and brow bar, and angled temples in the lower-left orange section.","membership":"Include both lens rings and their enclosed areas, bridge, brow bar, and temple strokes. Exclude open spaces between the lenses and temples and the orange panel.","id":"obj_027","temporal":{"status":"found","start_s":11.25,"end_s":11.75,"reference_s":11.5,"evidence":"目标是橙色左下分区中的圆框眼镜，具有白色镜圈、黑色鼻梁和眉杆及斜向镜腿。11.25秒首次完整呈现，11.50秒为最后合格帧；此前11.00秒镜腿连接笔画仍未绘制完整，此后11.75秒眼镜已被转场遮罩移除。选择11.50秒作为关键帧，轮廓完整清晰且无遮挡。","start_frame":270,"end_frame":282,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[201.6,662,478.1,864.8],"positive_points":[[271.9,772.2],[406.3,772.2],[340.1,719.4],[312.5,686.1],[208.9,708.3],[470.8,709.3]],"negative_points":[[166.7,787],[520.8,787],[338.5,925.9],[338.5,601.9]],"evidence":"目标是左下橙色区域内的圆框眼镜。边界框紧贴两侧镜腿、顶部横杆及镜圈底部，覆盖完整眼镜。正点分布在两个镜圈内部、鼻桥、横杆和两侧镜腿上；负点位于眼镜外围的橙色背景，不落在镜圈内部或结构间隙。"}},{"name":"Soccer ball icon","description":"White outlined soccer ball with black polygonal panel lines in the upper-left pink section.","membership":"Include the outer circular boundary and entire enclosed area, including polygonal seams. Exclude the pink panel.","id":"obj_028","temporal":{"status":"found","start_s":13.0,"end_s":13.75,"reference_s":13.25,"evidence":"目标是粉色左上区域内的足球图标，具有白色圆形外轮廓和黑色多边形接缝。首个合格帧为13.00秒，最后为13.50秒；此前12.50秒接缝尚在绘制，紧邻的12.75秒球体顶部仍被画面边界裁切。13.75秒该区域被红色转场遮罩覆盖，足球消失。选择13.25秒作为关键帧，球体完整清晰且无遮挡。","start_frame":312,"end_frame":330,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[155.2,86.1,329.2,395.4],"positive_points":[[244,241],[243,115],[176,226],[310,229],[203,320],[268,346]],"negative_points":[[120,220],[360,220],[245,55],[245,450]],"evidence":"目标为左上粉色分区中的足球图标，具有白色圆周和黑色多边形接缝。边界框紧贴完整外圆；六个正点分布在圆内各代表区域，包含指定的内部面积，四个负点位于圆外的粉色背景。"}},{"name":"Trash can icon","description":"Upright waste bin with a lid handle and two black vertical body details in the lower-left pink section.","membership":"Include the bin body and enclosed area, lid, handle, and interior strokes. Exclude the surrounding panel.","id":"obj_029","temporal":{"status":"found","start_s":12.75,"end_s":13.75,"reference_s":13.5,"evidence":"目标是粉色画面左下方带盖、提手及两条黑色竖向细节的垃圾桶。12.75秒首次完整呈现，至13.50秒仍完整可见；前一帧12.50秒桶身和盖子仍在组装展开，后一帧13.75秒该区域已被红色转场遮罩覆盖。选择13.50秒作为关键帧，桶形清晰、直立且无遮挡。","start_frame":306,"end_frame":330,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[176.6,600.9,313.5,905.6],"positive_points":[[244.8,603.1],[190.1,641.7],[208.9,714.8],[260.9,786.1],[277.1,871.3],[234.4,902.8]],"negative_points":[[151.0,759.3],[343.8,740.7],[244.8,564.8],[244.8,944.4]],"evidence":"目标是左下粉色分区内带提手、横向桶盖和两条黑色竖线的垃圾桶。边界框紧贴提手顶部、桶盖两端和桶身底部；正点分布于提手、桶盖、桶身内部、竖线及底边，负点位于桶外四周的粉色背景，避开桶内区域。"}},{"name":"Gift box icon","description":"Black outlined present with a separate lid, white vertical ribbon, and curled bow in the large right pink section.","membership":"Include the box and lid boundaries and enclosed surfaces, ribbon strokes, and bow loops with their enclosed areas. Follow the bow contours and exclude exterior gaps and the panel.","id":"obj_030","temporal":{"status":"found","start_s":13.25,"end_s":14.0,"reference_s":13.5,"evidence":"目标是右侧粉色大区内的礼盒图标，具有黑色盒身和独立盒盖轮廓、白色竖 ribbon及卷曲蝴蝶结。13.25秒首次完整呈现；此前13.00秒丝带尚未延伸到底部，蝴蝶结外侧卷曲仍在绘制。最后合格帧为13.75秒，周围虽开始转场，但礼盒仍完整可见；14.00秒已被替换为红底圆形图案。选择13.50秒作为关键帧，礼盒轮廓清晰且无遮挡。","start_frame":318,"end_frame":336,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[625,320.4,840.6,688.9],"positive_points":[[666.7,574.1],[796.9,620.4],[661.5,439.8],[732.8,538.9],[710.9,367.6],[755.2,361.1]],"negative_points":[[572.9,527.8],[885.4,532.4],[734.4,254.6],[729.2,768.5]],"evidence":"目标是右侧大粉色区域中的礼盒图标，具有黑色盒身与盒盖轮廓、白色竖向缎带及卷曲蝴蝶结。边界框紧贴整个礼盒和蝴蝶结的可见范围；六个正点分布于盒身、盒盖、缎带及蝴蝶结环内，四个负点位于图标上下左右的外部粉色背景。"}},{"name":"Key icon","description":"Horizontal key with a large black double-ring head, white shaft, and two downward teeth in the upper red section.","membership":"Include the key head's outer boundary and enclosed area, shaft and enclosed area, and teeth. Follow the complete key outline rather than filling exterior gaps between teeth; exclude the panel.","id":"obj_031","temporal":{"status":"found","start_s":15.0,"end_s":15.75,"reference_s":15.25,"evidence":"目标是红色上半区内具有黑色双环头、白色横向轴和两个向下齿的钥匙。15.0秒首次完整成形，15.5秒仍完整可见；此前14.75秒钥匙齿尚未绘制完成，此后15.75秒已被橙色转场遮去。选择15.25秒作为关键帧，钥匙轮廓清晰且无遮挡。","start_frame":360,"end_frame":378,"reference_frame":366},"grounding":{"status":"found","bbox_xyxy":[316.7,164.8,618.8,372.2],"positive_points":[[367,260],[327,262],[451,261],[592,261],[562,320],[599,338]],"negative_points":[[287,232],[658,304],[480,429],[485,818]],"evidence":"目标是上方红色区域内的横向钥匙，具有黑色双环头、白色轴杆和两个向下的齿。边界框紧贴完整钥匙的可见外缘；正点分布于钥匙头及其内部、轴杆和两齿内部，负点位于钥匙外的红色背景及下方独立锁图标上，不包含齿间空隙。"}},{"name":"Padlock icon","description":"Round-bodied padlock with a black shackle and keyhole in the lower red section.","membership":"Include the circular body and enclosed area, keyhole, and shackle stroke. Exclude the open space within the shackle above the body and the red panel.","id":"obj_032","temporal":{"status":"found","start_s":15.0,"end_s":15.5,"reference_s":15.25,"evidence":"目标是下方红色区域中的圆身挂锁，包含白色圆形锁身、黑色锁梁和钥匙孔。15.00秒首次结构完整，虽有倾斜仍符合条件；最后合格帧为15.25秒。此前14.75秒锁梁尚未绘制完整，之后15.50秒锁身开始被橙色转场遮罩裁切。选择15.25秒作为关键帧，因为挂锁直立、轮廓完整且无遮挡。","start_frame":360,"end_frame":372,"reference_frame":366},"grounding":{"status":"found","bbox_xyxy":[422.9,587.0,550.5,943.5],"positive_points":[[489.1,590.7],[442.2,703.7],[534.9,694.4],[455.2,811.1],[515.1,855.6],[478.6,862.0]],"negative_points":[[390,760],[580,800],[490,970],[610,650]],"evidence":"目标位于下方红色区域，为带黑色锁梁和钥匙孔的圆形挂锁。边界框紧贴锁梁顶部及圆形锁身外缘；正点覆盖锁梁笔画、锁身内部和钥匙孔，负点均位于挂锁外部的红色背景，避开锁梁内的空隙。"}},{"name":"Heart icon","description":"Large white outlined heart with a black curved accent in the upper-left orange section.","membership":"Include the heart boundary and enclosed area and its internal accent. Follow the top indentation; exclude the panel.","id":"obj_033","temporal":{"status":"found","start_s":16.0,"end_s":17.25,"reference_s":17.0,"evidence":"目标是橙色左上分区内的白色轮廓心形，后出现黑色内部弧线。16.0秒心形边界已完整建立，随后缩放及内部高光变化不影响连续出现；最后合格帧为17.0秒。前一帧15.75秒尚无心形，后一帧17.25秒红色遮罩已裁去心形顶部。选择17.0秒作为关键帧，心形及黑色弧线完整清晰、无遮挡。","start_frame":384,"end_frame":414,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[44.8,116.7,241.7,421.3],"positive_points":[[88.5,163],[187.5,151.9],[219.3,207.4],[65.6,240.7],[201,279.6],[142.2,375]],"negative_points":[[143.2,143.5],[26,259.3],[261,277.8],[143.2,463]],"evidence":"目标是左上橙色分区中的白色轮廓心形，右上内部带黑色弧线。边界框紧贴完整心形外缘；正点分布在两侧顶部、内部主体、下尖部及黑色装饰线上。负点位于顶部凹��外、左右外侧和下方背景，不包含面板。"}},{"name":"Thumbs-up icon","description":"White outlined approving hand with a raised thumb in the upper-middle orange section.","membership":"Include the hand boundary and enclosed area, following the thumb and folded-finger contours. Exclude temporary radiating emphasis marks and the orange panel.","id":"obj_034","temporal":{"status":"found","start_s":16.25,"end_s":17.25,"reference_s":17.0,"evidence":"目标是橙色上中区域内竖起拇指的白色轮廓手，不包含短暂的放射强调线。16.25秒首次完整清晰呈现，17.00秒为最后合格帧；此前16.00秒轮廓仍处于淡入显现阶段，之后17.25秒手部开始被红色转场遮罩裁去。选择17.00秒作为关键帧，手形完整、无遮挡且无强调线干扰。","start_frame":390,"end_frame":414,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[374.5,82.4,545.8,376.9],"positive_points":[[495,119],[474,195],[394,256],[428,354],[527,237],[522,327]],"negative_points":[[338,296],[568,278],[461,430],[417,148]],"evidence":"目标是上方中间橙色分区内的白色轮廓点赞手。边界框紧贴竖起的拇指、折叠手指和手腕的完整外轮廓；六个正点分布在拇指、掌部、手腕及手指轮廓包围的区域，四个负点位于手形外侧的橙色面板背景。"}},{"name":"Checkbox icon","description":"White rounded square containing a black check mark in the lower-left orange section.","membership":"Include the square boundary and entire enclosed area, including the check mark. Exclude the panel.","id":"obj_035","temporal":{"status":"found","start_s":16.75,"end_s":17.25,"reference_s":17.0,"evidence":"目标是橙色画面左下区域内的白色圆角方框及黑色勾号，不包括面板。16.75秒首次完整呈现，17.0秒为最后 qualifying 帧；此前16.5秒勾号仍在绘制，之后17.25秒目标已被红色转场遮罩移除。选择17.0秒作为关键帧，方框和勾号完整清晰且无遮挡。","start_frame":402,"end_frame":414,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[249,645,394,903],"positive_points":[[265,677],[376,683],[284,787],[315,836],[371,865],[268,879]],"negative_points":[[220,769],[423,784],[320,607],[323,945]],"evidence":"目标是左下橙色区域内含黑色勾号的白色圆角方框。边界框紧贴方框外缘，覆盖边界及全部内部区域。六个正点分布在框内不同位置及勾号上；四个负点位于方框外侧的橙色面板背景，远离目标边缘。"}},{"name":"Magnifying glass icon","description":"Large magnifying glass with two white lens rings, a black neck, and a white outlined angled handle in the tall right orange section.","membership":"Include the lens's outer boundary and enclosed area, inner ring, neck, and handle boundary and enclosed area. Exclude the surrounding panel.","id":"obj_036","temporal":{"status":"found","start_s":17.0,"end_s":17.25,"reference_s":17.0,"evidence":"目标位于右侧高橙色区域，由双白色镜圈、黑色连接颈和白色轮廓斜柄组成。首个及最后一个合格帧均为17.00秒，此时结构完整；前一帧16.75秒的镜圈仍有缺口，尚在绘制，后一帧17.25秒已被红色转场遮罩裁切。选择17.00秒作为关键帧，因为目标完整清晰、无遮挡。","start_frame":408,"end_frame":414,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[731.3,282.4,892.2,698.1],"positive_points":[[770.8,372.2],[838.5,369.4],[802.1,503.7],[738.0,416.7],[847.9,562.0],[867.7,638.0]],"negative_points":[[921.9,463.0],[692.7,416.7],[812.5,213.0],[854.2,759.3]],"evidence":"目标位于右侧高橙色面板内，由双白色镜圈、黑色连接颈和倾斜的白色轮廓手柄构成。边界框紧贴完整放大镜的可见范围；正点分布于镜圈包围的区域、黑色连接颈及手柄内部，负点均位于目标外围的橙色面板背景。"}},{"name":"Projection screen icon","description":"White rectangular presentation screen with black top and bottom rails and a short central stand in the upper dark-red section.","membership":"Include the screen boundary and enclosed surface, both rails, and stand strokes. Exclude the dark-red panel.","id":"obj_037","temporal":{"status":"found","start_s":18.5,"end_s":19.25,"reference_s":18.75,"evidence":"目标是深红色上方面板中的白色矩形投影幕，带黑色上下横轨及中央短支架。18.50秒首次完整呈现，19.00秒为最后合格帧；此前18.25秒支架底部横线尚在展开，之后19.25秒绿色转场遮罩已移除目标。选择18.75秒作为关键帧，幕面、双横轨和支架均清晰且无遮挡。","start_frame":444,"end_frame":462,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[379.17,63.89,601.56,378.7],"positive_points":[[490.63,73.15],[424.48,87.04],[391.67,203.7],[541.67,250],[556.77,315.74],[490.63,376.11]],"negative_points":[[338.54,203.7],[640.63,203.7],[490.63,421.3],[193.23,600.93]],"evidence":"目标位于图像上方，是带黑色上下横轨的白框投影幕。边界框��盖幕框及其内部表面、两条横轨、顶部短杆和底部支架。正点分布在短杆、横轨、幕框、幕面及支架上；负点位于左右和下方的外部红色背景，以及左下方的听诊器上。"}},{"name":"Stethoscope icon","description":"White stethoscope tubing with two black circular earpieces and a round chestpiece in the lower-left dark-red section.","membership":"Include the earpiece rings and interiors, tubing strokes, and chestpiece rings and interiors. Preserve the open space between the tubing branches; exclude the panel.","id":"obj_038","temporal":{"status":"found","start_s":18.5,"end_s":19.5,"reference_s":18.75,"evidence":"目标是深红色左下分区内的听诊器，由两个黑色圆形耳件、白色分叉软管及圆形胸件组成。18.50秒首次结构完整，18.25秒耳件与软管之间仍未连接，处于绘制阶段。19.25秒为最后合格帧，绿色遮罩尚未遮到听诊器本身；19.50秒目标已消失。选择18.75秒作为关键帧，形状清晰完整且无遮挡。","start_frame":444,"end_frame":468,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[176,579.6,312.5,905.6],"positive_points":[[193,601.9],[283,601.9],[193.2,686.1],[239.6,781.5],[310.4,863],[189.6,881.5]],"negative_points":[[130.2,740.7],[338.5,740.7],[234.4,939.8],[364.6,601.9]],"evidence":"目标位于左下红色分区，是带两个黑色圆形耳件、白色弯曲导管和圆形胸件的听诊器。边界框紧贴完整图标；六个正点分布于耳件内部、导管笔画及胸件内部，四个负点均位于图标外的红色背景，避开导管分支之间的开放空间。"}},{"name":"Syringe icon","description":"Vertical syringe with a long needle, white barrel, black measurement marks, and a lower plunger in the lower-right dark-red section.","membership":"Include the barrel boundary and enclosed area, measurement marks, needle, plunger shaft, and curved thumb-rest stroke. Exclude the surrounding panel.","id":"obj_039","temporal":{"status":"found","start_s":18.5,"end_s":19.5,"reference_s":18.75,"evidence":"目标是右下深红色区域内的竖直注射器，包含白色针筒边界、黑色刻度、长针头、推杆和弧形指托。18.50秒结构首次完整，18.25秒针头及下部推杆、指托仍在绘制。最后合格帧为19.25秒，绿色转场虽已靠近但尚未遮住注射器；19.50秒目标已消失。选择18.75秒作为关键帧，轮廓完整清晰且无遮挡。","start_frame":444,"end_frame":468,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[693.2,547.2,742.2,909.3],"positive_points":[[717.7,579.6],[707.3,636.1],[727.1,690.7],[707.3,754.6],[717.7,864.8],[733.9,900.9]],"negative_points":[[666.7,698.1],[770.8,729.6],[717.7,498.1],[718.8,953.7]],"evidence":"目标是右下红色分区中的竖直注射器，具有长针头、白色筒体边框、黑色刻度及底部弧形拇指托。边界框紧贴完整图标；六个正点分布于针头、筒口、筒内、刻度、推杆和弧形托，四个负点位于图标四周的外部红色背景。"}}]}
+{"video_id":299,"video_type":"icons and abstract motion graphics","targets":[{"name":"Opening turquoise dot","description":"A small turquoise shape at the center, initially a tilted sliver and then a round dot, before the first connected triangle appears.","membership":"Includes only the filled turquoise shape and its boundary, excluding the cream background.","id":"obj_001","temporal":{"status":"found","start_s":0.0,"end_s":1.0,"reference_s":0.25,"evidence":"目标是画面中央独立的实心青绿色小形状：0.00秒呈倾斜细片，随后变为圆点，0.75秒缩小但仍完整，属于同一形状的变形与缩放。首个合格帧为0.00秒，最后为0.75秒；视频起点之前无采样帧，紧邻的1.00秒已替换为三个圆点连接的三角形。选择0.25秒作为关键帧，因为圆点边界清晰、完整且无遮挡。","start_frame":0,"end_frame":24,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[480.5,465.3,519.5,534.7],"positive_points":[[493.8,479.2],[507.8,480.6],[485.9,498.6],[511.7,504.2],[496.1,522.2],[503.1,502.8]],"negative_points":[[453.1,500],[546.9,500],[500,416.7],[500,590.3]],"evidence":"图像中央唯一的绿松石色实心圆点与目标描述一致。边界框紧贴圆点的可见边缘；六个正点分布在圆点内部不同部位，四个负点位于其四周、远离边缘的奶油色背景上。"}},{"name":"First three-node triangle","description":"Three solid turquoise circular vertices joined by thin dark teal lines. The triangle repeatedly stretches, rotates, and contracts before disappearing into a standalone central dot.","membership":"Includes the three vertex disks, connecting edges, and enclosed triangular area. Follows the combined outline of the triangle and protruding disks; excludes surrounding background.","id":"obj_002","temporal":{"status":"found","start_s":1.0,"end_s":3.75,"reference_s":1.5,"evidence":"目标为首次出现的三枚实心青绿色圆形顶点及连接它们的细深青色边线。1.00秒首次完整呈现，随后持续伸缩、旋转和变形，至3.50秒仍完整可见。前一帧0.75秒只有中央小圆点；后一帧3.75秒已变为独立中央圆点及周围粉色短线，三节点三角形消失。选择1.50秒作为关键帧，因三角形较大、边线与三个圆形顶点清晰且无遮挡。","start_frame":24,"end_frame":90,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[271.9,236.1,746.9,831.9],"positive_points":[[292,272],[727,438],[558,796],[500,430],[584,520],[549,630]],"negative_points":[[290,580],[550,230],[760,700],[540,900]],"evidence":"图中三个实心青绿色圆形顶点由深青色细线连接，构成目标三角形。边界框紧贴三条连线及向外突出的顶点圆盘；正点覆盖三个圆盘和纳入目标的三角形内部，负点位于整体轮廓外的浅黄色背景。"}},{"name":"Returning central turquoise dot","description":"A standalone turquoise disk presented after the first moving triangle disappears, briefly surrounded by salmon-colored radial marks.","membership":"Includes the filled disk and its boundary. Excludes the surrounding radial emphasis marks.","id":"obj_003","temporal":{"status":"found","start_s":3.75,"end_s":4.5,"reference_s":4.0,"evidence":"目标是首段移动三角形消失后，画面中央独立出现的实心绿松石色圆盘，不含周围鲑红色放射短线。首个合格帧为3.75秒，最后为4.25秒；4.25秒圆盘虽缩小，但结构完整。前一帧3.5秒仍是三点相连的三角形，后一帧4.5秒已变为三个圆点，不再是独立圆盘。选择4.0秒作为关键帧，圆盘边界清晰且无遮挡。","start_frame":90,"end_frame":108,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[479.7,463.9,520.3,536.1],"positive_points":[[494,480],[507,482],[485,499],[512,502],[493,521],[506,519]],"negative_points":[[322,497],[678,503],[502,183],[499,819]],"evidence":"目标是画面中央独立的青绿色实心圆盘，周围有鲑红色放射短线。边界框紧贴圆盘及其边缘；六个正点分散位于圆盘内部，四个负点位于上下左右的放射短线上，不包含这些强调标记。"}},{"name":"Second triangle animation","description":"A returning three-node teal triangle that changes proportions, settles upright, develops nested colored triangular outlines, and becomes a filled salmon triangle before shrinking and rotating away.","membership":"Includes the triangle's outer boundary, enclosed area, vertex disks or rings while attached, and nested triangular contents. Follows the visible triangular or temporarily truncated outline. Excludes external spark marks and the independently presented circular animation that later overlaps it.","id":"obj_004","temporal":{"status":"found","start_s":4.5,"end_s":9.5,"reference_s":7.0,"evidence":"目标是再次出现的三节点青绿色三角形，随后变形、直立，产生嵌套彩色三角轮廓，并变成鲑粉色实心三角形。4.50秒虽尺寸很小、节点相互靠近，但三节点及连接结构已完整；前一帧4.25秒仍是单点和外围放射线。最后合格帧9.25秒仍可见缩小旋转后的完整三角形，9.50秒该三角形已消失，转为圆形及上下排列的其他三角装饰。选择7.00秒作为关键帧，外边界、顶点环和嵌套三角内容清楚，且没有独立圆形动画遮挡。","start_frame":108,"end_frame":228,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[331.3,158.3,667.2,722.2],"positive_points":[[499.2,168.1],[337.5,680.6],[658.6,680.6],[499.2,483.3],[415.6,533.3],[574.2,547.2]],"negative_points":[[495.3,109.7],[643.8,593.1],[289.1,486.1],[704.7,747.2]],"evidence":"目标是中央直立的青色三节点三角形，内部有青色与珊瑚色嵌套三角轮廓。边界框紧贴三个顶点圆环的最外缘，包含三角形边界及其包围区域，不含外部放射短线。正点分布于三个圆环、内部轮廓及中央区域；负点位于外部短线和远离目标的背景。"}},{"name":"Central circular animation","description":"A central circular motif introduced as red curved strokes over the filled salmon triangle. It develops teal and turquoise rings, rotating red arcs, radial spokes, and concentric circular forms, eventually becoming expanding dark teal arcs.","membership":"Includes the motif's circular boundaries and their enclosed areas, together with its associated open arcs and radial strokes. Open arcs and rays include only their visible strokes, without filling their gaps or taking a convex hull. Excludes the underlying triangle, satellite disks, border triangles, and detached blue particles.","id":"obj_005","temporal":{"status":"found","start_s":8.5,"end_s":11.5,"reference_s":10.75,"evidence":"目标是鲑红色三角形上出现并演变为同心圆、红色旋转弧线、放射线及深青色扩张弧线的中央图案，不包括卫星圆盘和散落粒子。8.50秒首次呈现完整圆环结构；前一帧8.25秒仍是初始绘制的零散弧段。最后纳入11.25秒的扩张弧线阶段，11.50秒弧线已开始缩短、擦除并向圆角方形图案过渡。选择10.75秒作为关键帧，同心圆边界清晰，且与两侧卫星圆盘分离。","start_frame":204,"end_frame":276,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[388,304,612,702],"positive_points":[[492,321],[602,511],[496,682],[397,486],[453,426],[500,500]],"negative_points":[[280,668],[719,332],[359,292],[656,750]],"evidence":"目标是画面中央由鲑红色外环、青绿色内环及中心小圆组成的同心圆图案。边界框紧贴最外侧圆环，覆盖圆形边界及其包围区域。正点分布在外环、内环和中心区域；负点位于左下、右上的卫星圆盘及图案外的浅黄色背景。"}},{"name":"Upper multicolored triangle row","description":"A horizontal row of downward-pointing red, salmon, turquoise, and dark teal triangles entering along the upper part of the image. Their heights rise and fall together.","membership":"Includes the adjoining filled triangular shapes making up the upper row. Follows their individual pointed lower outlines and shared upper edge; excludes the cream spaces between the points and all central graphics.","id":"obj_006","temporal":{"status":"found","start_s":9.75,"end_s":10.25,"reference_s":9.75,"evidence":"目标是画面上方共用水平上沿、尖端朝下的红色、鲑红色、青绿色和深青色三角形排。9.75秒首次完整呈现，10.00秒仍完整可见，仅各三角形高度发生变化；此前9.50秒左侧成员尚未完成展开，之后10.25秒右侧成员已消失，整排开始退场。选择9.75秒作为关键帧，因各三角形轮廓清楚且与中央图形易于区分。","start_frame":234,"end_frame":246,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[111.7,55.6,883.6,398.6],"positive_points":[[148.4,90.3],[230.5,112.5],[381.3,220.8],[457.8,251.4],[692.2,143.1],[843.8,90.3]],"negative_points":[[62.5,430.6],[867.2,458.3],[499.2,471.5],[618.0,826.4]],"evidence":"目标是图像顶部共用水平上缘、尖端朝下的多色实心三角形排。边界框覆盖整排从最左到最右及最低尖端；六个正点分布在不同位置和颜色的三角形内部，负点位于外围奶油色背景、中央圆形轮廓和下方三角形排上，均不标记上排尖端之间的空隙。"}},{"name":"Lower multicolored triangle row","description":"A separate horizontal row of upward-pointing colored triangles along the lower part of the image, mirroring the upper row's changing heights.","membership":"Includes the adjoining filled triangular shapes of the lower row, following the pointed upper outline and shared lower edge. Excludes the cream spaces between peaks and the central graphics.","id":"obj_007","temporal":{"status":"found","start_s":9.75,"end_s":10.25,"reference_s":9.75,"evidence":"目标是画面下方共用水平底边、尖端朝上的多色三角形排，独立于上排及中央图形。首个完整呈现帧为9.75秒；10.00秒仍保留整排，三角形高度发生变化，是最后合格帧。此前9.50秒右侧成员尚未完整显现；此后10.25秒左侧已消失，仅余右侧部分，进入退出阶段。选择9.75秒作为关键帧，因为整排轮廓清楚、各三角形易于辨认。","start_frame":234,"end_frame":246,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[115.6,605.6,888.3,948.6],"positive_points":[[155.5,916.7],[307.8,875],[385.2,833.3],[541.4,763.9],[693.8,861.1],[849.2,916.7]],"negative_points":[[67,800],[500,978],[551,551],[382,200]],"evidence":"目标是底部共用水平底边、尖端向上的多色三角形整排。边界框紧贴该排左右端、最高尖端及底边；六个正点分布在左右及中部三角形的实色内部，负点位于左侧和下方奶油色背景、中央放射图形及上方三角形，均不包含在目标内。"}},{"name":"Satellite disk entering at upper left","description":"A small target-like disk first seen near the upper-left edge, with a dark teal center and red rim. It gains a turquoise outer band and moves inward to orbit the central circular motif.","membership":"Includes the disk's outermost circular boundary and all enclosed colored bands and center. Excludes the central circular motif and the other satellite disk.","id":"obj_008","temporal":{"status":"found","start_s":9.75,"end_s":11.25,"reference_s":10.25,"evidence":"目标是最初位于左上方、深青色中心配红色圆 rim 的小圆盘，随后增加 turquoise outer band 并向中心内移、绕至右上方；与另一卫星圆盘分开追踪。首个完整帧为9.75秒，9.50秒尚未出现该圆盘；最后完整帧为11.00秒，11.25秒已不见该圆盘，画面转为深青色散点。选择10.25秒作为关键帧，此时目标位于左上方，完整的多层圆形边界清晰，且与中央图案及另一圆盘明显分离。","start_frame":234,"end_frame":270,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[334.4,177.8,412.5,315.3],"positive_points":[[373.4,190.3],[342.2,244.4],[403.1,259.7],[372.7,298.6],[361.7,219.4],[381.3,262.5]],"negative_points":[[500,409.7],[626.6,754.2],[304.7,243.1],[429.7,208.3]],"evidence":"目标是中央圆环左上方的小圆盘，具有深青色中心、红色环带和绿松石色外带。边界框紧贴其最外侧圆周，包含所有色带及中心。六个正点分布于外带、红环和中心；负点位于中央圆环、右下方另一圆盘及目标外部背景。"}},{"name":"Satellite disk entering at lower right","description":"A second target-like disk first seen near the lower-right edge, also with a dark teal center, red rim, and later a turquoise outer band. It moves inward opposite the other satellite.","membership":"Includes the complete disk within its outermost circular boundary, including all concentric bands and its center. Excludes the other satellite and the central circular motif.","id":"obj_009","temporal":{"status":"found","start_s":9.75,"end_s":11.25,"reference_s":10.25,"evidence":"目标是9.75秒在右下边缘附近完整出现的卫星圆盘，具有深青色中心、红色环，随后增加绿松石色外环，并与另一圆盘相对运动。首个合格帧为9.75秒，最后为11.00秒；此前9.50秒尚无完整的右下卫星圆盘，之后11.25秒同心圆盘已消失，画面转为散开的深青色斑块。选择10.25秒作为关键帧，此时目标位于右下方，三层圆形结构清晰，与另一卫星及中央图案分离。","start_frame":234,"end_frame":270,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[587.5,686.1,665.6,823.6],"positive_points":[[626.6,753.5],[616.4,737.5],[626.6,695.8],[592.2,748.6],[651.6,754.2],[627.3,813.9]],"negative_points":[[373.4,245.8],[549.2,500],[704.7,752.8],[623.4,877.8]],"evidence":"目标是右下方具有深青色中心、红色环带和绿松石色外圈的卫星圆盘。边界框紧贴其最外层圆周，包含完整圆盘；六个正点分布在中心及各色环带上，负点位于左上另一卫星、中央圆环以及目标外部背景。"}},{"name":"Large traveling dark teal particle","description":"A conspicuously large filled dark teal round particle appearing to the left of the expanding circular arcs, then moving through the lower part of the image toward the lower right.","membership":"Includes only this particle's filled round or slightly deformed silhouette. Excludes neighboring particles, circular arcs, and the later rounded-square motif.","id":"obj_010","temporal":{"status":"found","start_s":11.25,"end_s":12.25,"reference_s":11.5,"evidence":"目标是圆弧左侧显著较大的深青色实心粒子，随后经过画面下部移向右下方，不包含周围小粒子或圆弧。11.25秒首次显示完整轮廓，12.00秒为最后一个完整可见帧；此前11.00秒尚未出现该左侧大粒子，之后12.25秒已消失。选择11.50秒作为关键帧，此时目标位于左下方，轮廓清晰且与其他图形分离。","start_frame":270,"end_frame":294,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[319.5,683.3,407.8,836.1],"positive_points":[[356.3,713.9],[335.9,744.4],[341.4,794.4],[368.0,808.3],[393.0,775.0],[381.3,730.6]],"negative_points":[[289.1,763.9],[363.3,886.1],[560.2,844.4],[425.0,576.4]],"evidence":"目标是圆弧左下方最显著的大型深青色实心粒子，轮廓略有变形。边界框紧贴其完整可见轮廓；六个正点分布在粒子内部的不同部位，负点位于外侧浅色背景、右下方另一粒子及邻近圆弧上，排除这些非目标内容。"}},{"name":"Rounded-square line animation","description":"A compact central arrangement of nested red, salmon, turquoise, and dark teal strokes with rounded right-angle corners, appearing after the circular arcs disperse.","membership":"Includes the visible nested bent strokes, following their open ends and rounded corners. Does not fill the open square-like gaps or include detached blue particles nearby.","id":"obj_011","temporal":{"status":"found","start_s":11.75,"end_s":12.5,"reference_s":12.0,"evidence":"目标是圆弧散开后中央出现的红、鲑粉、绿松石和深青色嵌套圆角折线，不包括周围分离的蓝色粒子。首个合格帧为11.75秒，折线组合已完整呈现；最后合格帧为12.25秒，开放端和圆角仍清晰可见。此前11.5秒仅出现少量初始折笔，尚未构成完整组合；此后12.5秒折线开始被竖向色块替代。选择12.0秒作为关键帧，嵌套结构清楚且与附近粒子分离。","start_frame":282,"end_frame":300,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[421.1,394.4,609.4,658.3],"positive_points":[[426.6,530.6],[443.8,479.2],[507.8,426.4],[462.5,493.1],[584.4,506.9],[603.9,413.9]],"negative_points":[[577.3,783.3],[775,891.7],[557,972.2],[363.3,493.1]],"evidence":"目标是画面中央由红色、鲑红色、青绿色和深青色圆角折线组成的嵌套图案。边界框覆盖全部可见线条及右上方红色短划；正点分布在线条实体上，负点位于下方游离蓝色粒子和左侧外部背景，未标注内部空隙。"}},{"name":"Multicolored vertical-bar motif","description":"A centered symmetrical graphic of parallel vertical rectangular bars, with dark teal, turquoise, red, and salmon segments. The bars change height and spacing and briefly sit within a dark teal circular outline.","membership":"Includes the filled rectangular bars and their colored segments. When present, the motif's circular boundary and the area it encloses also belong to this graphic. Without that circle, the cream gaps between separated bars are excluded; no bounding rectangle is substituted for the actual outline.","id":"obj_012","temporal":{"status":"found","start_s":12.75,"end_s":13.75,"reference_s":13.5,"evidence":"目标是居中的对称多色竖直矩形条组合，包含出现时的圆形边界。12.75秒首次完整呈现，13.5秒为最后完整帧；此前12.5秒仅有中央红条及上方尚未转化完成的曲线，仍在组装。13.75秒中央条组和圆框已消失，仅余两侧分离条，开始解体退出。选择13.5秒作为关键帧，因多色条段及深青色圆形边界均清晰完整、无遮挡。","start_frame":306,"end_frame":330,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[298.4,108.3,701.6,888.9],"positive_points":[[500,124],[498,874],[302,500],[698,500],[450,310],[501,548]],"negative_points":[[250,500],[750,500],[500,55],[500,948]],"evidence":"目标是画面中央由深青色、 turquoise色和红色竖条构成的对称图形，并带有深青色圆形边界。框覆盖全部竖条、圆形边界及其包围区域；正点分布在上下色块、竖条和左右圆弧上，负点位于图形四周的外部奶油色背景。"}},{"name":"Layered diamond and square animation","description":"A centered geometric motif replacing the bars: nested dark teal, turquoise, salmon, and red diamonds open into paired angular wings, recombine, rotate through a square shape, and finish as a solid red diamond.","membership":"Includes the central layered polygonal forms, their enclosed interiors, and paired angular wings while they constitute this compact motif. Follows external concavities and excludes open background gaps between separated pieces. Excludes the independently appearing distant turquoise diamonds and thin passing accent lines.","id":"obj_013","temporal":{"status":"found","start_s":14.0,"end_s":18.0,"reference_s":14.5,"evidence":"目标是居中的多层菱形及其成对角翼，随后重组、旋转成方形并变为实心红色菱形。首个合格帧为14.00秒，菱形轮廓已完整；前一帧13.75秒仍为两根竖条。最后合格帧为17.75秒，中央红色菱形仍完整，因此区间延至视频结尾18.00秒，无后续帧。远处独立青绿色菱形和细线不计入目标。选择14.50秒作为关键帧，多层颜色及角翼结构清晰、无遮挡。","start_frame":336,"end_frame":432,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[343.8,301.4,657.8,704.2],"positive_points":[[359,501],[404,482],[497,333],[513,511],[590,509],[520,629]],"negative_points":[[298,499],[703,502],[501,234],[500,774]],"evidence":"图像中央的深青、绿松石、鲑红和红色多层菱形及两侧折角翼对应目标。边界框紧贴整个紧凑图案的可见外缘；正点分布在不同颜色的多边形和侧翼上，负点位于图案上下左右的外部浅黄色背景，未标记内部空洞。"}},{"name":"Small left turquoise diamond","description":"A small solid turquoise diamond appearing far to the left of the final central red diamond.","membership":"Includes the filled four-sided diamond and its boundary only. Excludes the central red diamond and surrounding background.","id":"obj_014","temporal":{"status":"found","start_s":17.25,"end_s":17.75,"reference_s":17.5,"evidence":"目标是向左移动并缩小的实心青绿色菱形，不包括中央红色菱形。17.25秒已完整呈现于红色菱形左上方，17.50秒缩小至画面最左侧，仍完整可见。前一帧17.00秒仅见中央嵌套菱形，尚无独立的左侧实心青绿色菱形；后一帧17.75秒目标已消失。选择17.50秒作为关键帧，其位置和小菱形形态最符合描述，且无遮挡。","start_frame":414,"end_frame":426,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[92.19,451.39,146.88,550],"positive_points":[[118.75,468.06],[105.47,491.67],[135.16,497.22],[119.53,527.78],[113.28,506.94],[124.22,491.67]],"negative_points":[[70.31,500],[118.75,416.67],[118.75,587.5],[468.75,500]],"evidence":"目标是中央红色菱形左侧远处的小型实心青绿色菱形。边界框紧贴其四个顶点，覆盖填充及边界；六个正点分布于菱形内部不同部位，负点位于其左侧、上方、下方背景及中央红色菱形上。"}},{"name":"Large right turquoise diamond","description":"A larger solid turquoise diamond appearing far to the right of the final central red diamond, opposite the smaller left diamond.","membership":"Includes the filled four-sided diamond and its boundary only. Excludes the central red diamond, passing line accents, and surrounding background.","id":"obj_015","temporal":{"status":"found","start_s":17.5,"end_s":17.75,"reference_s":17.5,"evidence":"17.50秒画面最右侧出现完整的较大实心青绿色菱形，与左侧较小菱形相对，中央为红色菱形。首个及最后一个符合条件的采样帧均为17.50秒。前一帧17.25秒尚未出现该右侧菱形，仅见中央红色菱形及其左上方青绿色菱形；后一帧17.75秒右侧目标已消失。选择17.50秒作为关键帧，因为目标完整、无遮挡且与其他图形清晰分离。","start_frame":420,"end_frame":426,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[817.9,393.1,938.3,607.0],"positive_points":[[878.1,423.6],[837.5,497.2],[878.1,573.6],[920.3,500.0],[864.8,483.3],[894.5,520.8]],"negative_points":[[500.0,500.0],[119.5,500.0],[878.1,333.3],[968.8,500.0]],"evidence":"目标是中央红色菱形右侧、与左侧小菱形相对的大号实心青绿色菱形。边界框紧贴其四个顶点，覆盖填充及边界。六个正点分布于菱形内部不同部位；负点位于中央红菱形、左侧小菱形以及目标上方和右侧的背景。"}}]}
+{"video_id":300,"video_type":"icons and abstract motion graphics","targets":[{"name":"Pulsing circular emblem","description":"The opening centered dark teal disk develops into thick turquoise and coral rings, a diagonally striped ring, and layered circular forms with short turquoise arcs.","membership":"Include the outer circular boundary, the area it encloses, and the internal stripes and arcs. Follow its changing diameter; exclude the cream background outside it and the detached fragment near the lower right.","id":"obj_001","temporal":{"status":"found","start_s":0.0,"end_s":3.25,"reference_s":2.75,"evidence":"目标是开场居中的深青色圆盘，连续变形为青绿、珊瑚色圆环、斜纹圆环及带短弧的分层圆形。首个合格帧为0.00秒，圆盘已完整建立；视频起点前无采样帧。最后合格帧为3.00秒，圆盘边界仍完整；紧邻的3.25秒圆形主体已消失，仅余分离弧线和放射线，属于解体阶段。选择2.75秒作为关键帧，外缘、内部圆盘及青绿短弧清晰可辨；不包含右下方游离碎片及外部奶油色背景。","start_frame":0,"end_frame":78,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[280,106,723,895],"positive_points":[[500,116],[285,500],[718,496],[500,883],[412,356],[555,621]],"negative_points":[[200,500],[803,500],[498,46],[504,953]],"evidence":"目标是画面中央的深青色圆盘，外缘有珊瑚色斜条纹，内部带 turquoise 弧线。边界框紧贴最外层条纹圆周，包含其围合区域与内部图形。正点分布在圆周条纹及圆盘内部，负点位于圆形外侧的奶油色背景。"}},{"name":"Radial burst emblem","description":"A compact central animation of turquoise curved strokes and fine teal rays, subsequently accompanied by a coral circular outline and a small striped or coral center.","membership":"Include the constituent rays, curved strokes, and central circular forms as one compact radial graphic. Open arcs and spaces between rays remain open; closed circles include their enclosed areas.","id":"obj_002","temporal":{"status":"found","start_s":3.25,"end_s":4.25,"reference_s":3.5,"evidence":"目标是中央由青绿色开放弧线、细放射线及随后出现的珊瑚色圆形和条纹中心组成的紧凑图案。首个符合帧为3.25秒，末个为4.00秒，期间图案旋转、收缩并改变中心形式。前一帧3.00秒仍是大型实心蓝绿色圆盘配弧线；后一帧4.25秒已转为扇形楔块图案。选择3.50秒作为关键帧，此时弧线、放射线和珊瑚色圆心清晰可辨。","start_frame":78,"end_frame":102,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[335.9,237.5,599.2,733.3],"positive_points":[[337.5,483.3],[382.0,625.0],[501.6,501.4],[501.6,344.4],[554.7,388.9],[507.8,644.4]],"negative_points":[[289.1,486.1],[648.4,500.0],[476.6,166.7],[507.8,791.7]],"evidence":"图像中央的珊瑚色实心圆、青绿色弧线及放射状细线共同构成目标。边界框覆盖左侧长弧、粗弧、全部射线和中心圆。六个正点分布在这些实际图形笔画及圆内；四个负点位于图形外围的浅黄色背景，避开弧内及射线间的空隙。"}},{"name":"Segmented circular fan","description":"Alternating turquoise and dark teal sectors of unequal lengths radiate from a small salmon hub. A salmon circular band initially sits behind the fan, and the sectors later rotate and extend outward.","membership":"Include the hub, radial sectors, and the salmon band belonging to the fan. Follow the stepped sector outline and retain gaps where sectors are absent. Exclude the independently developing multicolored concentric arc pattern.","id":"obj_003","temporal":{"status":"found","start_s":4.5,"end_s":5.0,"reference_s":4.75,"evidence":"目标由长短不一、交替呈青绿色和深蓝绿色的扇形、中央鲑红色圆心及后方同色圆环组成，不包括独立发展的多色同心弧。4.50秒首次完整建立，4.75秒为最后合格帧；此前4.25秒扇叶仍在展开组装，���环尚未建立，之后5.00秒圆环已明显淡化且左上扇叶开始消失。选择4.75秒作为关键帧，扇叶阶梯状轮廓、圆心和后方圆环清晰可辨。","start_frame":108,"end_frame":120,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[283.6,118.1,716.4,888.9],"positive_points":[[500,500],[567,264],[624,500],[428,648],[500,719],[295,477]],"negative_points":[[244,497],[759,513],[502,64],[511,940]],"evidence":"目标为中央由青绿色与深青色不等长扇区、鲑红色圆心和外圆环组成的风扇。边界框紧贴外圆环及顶部扇区的可见外缘；正点分布在圆心、不同扇区和左侧圆环上，负点均位于整体轮廓外的浅黄色背景，未标注环内空隙。"}},{"name":"Multicolored concentric arc pattern","description":"Nested salmon, coral, turquoise, and teal arcs first appear beside the segmented fan. They develop into concentric solid and dashed rings, striped circular fields, and expanding circular patterns with small cream circles at the center.","membership":"Include the nested bands, dashed outlines, striped fields, and central circular details. Open portions remain open; each closed ring includes its enclosed area. Exclude the fan sectors and uniform surrounding color fields.","id":"obj_004","temporal":{"status":"found","start_s":5.5,"end_s":9.25,"reference_s":7.0,"evidence":"目标是扇形旁出现的多色嵌套弧带，随后连续变为实线与虚线同心环、条纹圆面及中心奶油色小圆。5.25秒仍是初始绘制的短弧，5.5秒开放式嵌套弧带已完整建立；最后符合条件的帧为9.0秒，9.25秒已被红色矩形替换。扩大的圆形构图属于图案变形，并非离场裁切。选择7.0秒作为关键帧，此时多层圆环和条纹区域清晰，便于排除扇形及均匀背景。","start_frame":132,"end_frame":222,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[232.8,25,767.2,976.4],"positive_points":[[763,496],[498,968],[587,169],[591,575],[446,328],[287,472]],"negative_points":[[250,97],[844,542],[180,694],[703,951]],"evidence":"目标是画面中央的多色同心圆图案，可见珊瑚色外圆及虚线圈、青蓝色与鲑粉色弧带和奶油色斜纹圆形区域。边界框紧贴最外层圆环，涵盖内部图案及闭合圆环的围合区域，不含左上方扇形。正点分布于外环、虚线、彩色弧带和斜纹上；负点位于左上扇形及圆环外的均匀背景。"}},{"name":"Transforming color-bar composition","description":"An isolated upright coral rectangle expands into stacked coral, salmon, teal, and cream horizontal bars. The composition rearranges into adjacent vertical strips and descending columns.","membership":"Include the colored rectangular bars and strips forming this composition, following their changing outer edges and any gaps between them. Exclude the surrounding turquoise or cream background.","id":"obj_005","temporal":{"status":"found","start_s":9.25,"end_s":13.0,"reference_s":9.5,"evidence":"目标从9.25秒完整出现的独立珊瑚红竖矩形开始，随后变为四色横条、相邻竖条及下降柱列；9.0秒仍是圆点图案。最后合格帧为12.75秒，13.0秒右侧柱条开始向下撤去，露出奶油色背景，进入退出阶段。选择9.5秒为关键帧，四色堆叠横条边缘清晰，与周围青绿色背景容易区分。","start_frame":222,"end_frame":312,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[13.3,223.6,986.7,777.8],"positive_points":[[167,287],[837,298],[327,431],[222,567],[786,556],[538,718]],"negative_points":[[437,121],[70,730],[930,710],[584,890]],"evidence":"目标是由珊瑚红、鲑粉、深青和奶油色横条逐层堆叠形成的组合。边界框紧贴最上方长条的左右及上边缘，并延伸至底部奶油色条的下边缘。六个正点分布在四层色条内部，四个负点位于组合上方、下方及两侧的绿松石色背景中。"}},{"name":"Nested chevron and diamond pattern","description":"Nested salmon and coral angular strokes appear as the columns disappear. They close into concentric diamonds and expand in alternating teal, turquoise, coral, and salmon colors.","membership":"Include the angular strokes and diamond bands. Unclosed chevrons remain open; closed diamonds include their enclosed areas. Exclude detached transition flecks and any uniform color field remaining after the boundaries expand out of view.","id":"obj_006","temporal":{"status":"found","start_s":13.5,"end_s":16.0,"reference_s":15.0,"evidence":"目标是柱条退去后出现的鲑粉、珊瑚色嵌套角形笔画，随后闭合并扩展为多色同心菱形。13.5秒首次呈现完整可辨的角形组合；前一帧13.25秒仅有过渡碎点和初始短笔画。保留其扩展为刻意超出画面的菱形带阶段，最后合格帧为15.75秒，边角仍可见菱形边带；16.0秒只剩均匀底色和独立浅色小方块。选择15.0秒，菱形层次和各色边带清晰，便于区分目标与背景。","start_frame":324,"end_frame":384,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[0,0,1000,1000],"positive_points":[[130,175],[790,455],[500,892],[49,500],[863,829],[520,510]],"negative_points":[[7,8],[993,8],[7,992],[993,992]],"evidence":"图中可见青绿、蓝绿、珊瑚红和鲑粉色的同心菱形及延伸至画面边缘的开放折线，因此边界框覆盖整幅图像。正点分布在不同方向和层级的色带上，并包含闭合菱形内部；负点位于四角、最外层色带之外的浅黄色背景。"}},{"name":"Central triangular emblem","description":"Thin dark teal triangular outlines overlap at the center of the angular pattern, followed by a filled turquoise triangle with fine horizontal lines.","membership":"Include the triangular outlines and filled central triangle. Closed triangles include their interiors; incomplete outline segments remain open. Exclude the surrounding salmon and coral chevrons.","id":"obj_007","temporal":{"status":"found","start_s":14.0,"end_s":14.25,"reference_s":14.0,"evidence":"目标是中央深青色三角形轮廓及带细横纹的实心 turquoise（三角形），不含外围粉红、珊瑚色折线。14.00秒为首个完整呈现帧，也是最后 qualifying 帧；13.75秒轮廓仍在逐段绘出，中央填充三角形尚未出现；14.25秒轮廓已开始擦除，填充也退为稀疏横线。选择14.00秒作为关键帧，中央三角形及重叠轮廓最清楚。","start_frame":336,"end_frame":342,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[361.7,350,639.1,695.8],"positive_points":[[410,355],[575,434],[409,548],[487,693],[501,432],[501,571]],"negative_points":[[318,500],[660,497],[754,499],[500,842]],"evidence":"目标是中央深青色细三角轮廓及带水平细纹的绿松石色实心三角。边界框覆盖所有可见三角轮廓和中央填充部分；正点分布于上方横边、斜边、底边及实心三角内部，负点位于外围明确排除的珊瑚色和鲑红色折线处。"}},{"name":"Larger cream rounded square","description":"The larger of two prominent cream rounded squares emerging inside the expanding dark teal diamond. It initially sits above and to the right of the other square, then rotates and moves around the center.","membership":"Include this square's cream surface and rounded boundary throughout its movement. Exclude the other cream squares, the background, and the circular graphic that later appears behind it.","id":"obj_008","temporal":{"status":"found","start_s":15.5,"end_s":17.0,"reference_s":15.75,"evidence":"目标是深青色菱形内两块显著奶油色圆角方块中较大的一块，15.50秒位于另一块的右上方，随后绕中心移动并旋转。首个完整呈现帧为15.50秒，最后合格帧为16.75秒；15.25秒仅见中心微小亮点，尚未形成可辨认的目标方块，17.00秒方块已消失并被圆形图案替代。选择15.75秒为关键帧，此时较大方块位于右侧，轮廓完整且与其他方块分离。","start_frame":372,"end_frame":408,"reference_frame":378},"grounding":{"status":"found","bbox_xyxy":[614.1,434.7,687.5,565.3],"positive_points":[[632.8,456.9],[671.1,469.4],[625.8,506.9],[655.5,501.4],[632.8,540.3],[671.9,543.1]],"negative_points":[[566.4,568.1],[507.8,523.6],[673.4,322.2],[721.1,508.3]],"evidence":"目标是画面中央偏右、位于另一显著奶油色方块右上方的较大圆角方块。边界框紧贴其可见奶油色表面及圆角边缘；六个正点分布于该方块内部各部位，四个负点分别位于其他三个奶油色方块及右侧深青色背景上。"}},{"name":"Smaller cream rounded square","description":"The smaller prominent cream rounded square initially appears below and to the left of the larger square. It rotates and moves with the animation, later appearing farther left of the salmon circle.","membership":"Include this square's cream surface and rounded boundary. Exclude the larger square, tiny satellite marks, and the circle behind the moving squares.","id":"obj_009","temporal":{"status":"found","start_s":15.5,"end_s":17.0,"reference_s":16.5,"evidence":"目标是两枚显著奶油色圆角方块中较小的一枚，15.50秒位于大方块左下方，随后持续旋转移动。首个合格帧为15.50秒，最后为16.75秒；此前15.25秒仅见中心微小标记，没有该完整方块，之后17.00秒方块消失，画面变为圆形纹样。选择16.50秒作关键帧，此时目标位于鲑红色圆的更左侧，轮廓完整且无遮挡，易与大方块和微小标记区分。","start_frame":372,"end_frame":408,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[299.2,450,356.3,551.4],"positive_points":[[312.5,475],[338.3,468.1],[346.9,506.9],[335.2,531.9],[312.5,525],[325,498.6]],"negative_points":[[410.2,408.3],[482.8,451.4],[520.3,534.7],[277.3,500]],"evidence":"目标是大奶油色方块左下方、鲑红色圆左侧的较小圆角方块。边界框紧贴其旋转后的奶油色表面及圆角边界；六个正点分布于方块内部各部位，四个负点分别位于大方块、微小奶油色方块、鲑红色圆和左侧蓝绿色���景上。"}},{"name":"Scalloped circular medallion","description":"A centered salmon disk develops into a turquoise circular medallion bordered by a cream ring and striped scalloped edging. Its interior gains concentric outlines and four salmon circles with quarter-shaped cutouts.","membership":"Include the disk, internal symbols, circular borders, and striped scalloped perimeter. Follow the scallops and their concavities rather than a bounding rectangle. Exclude the independently presented graphics on either side and the cream squares crossing in front.","id":"obj_010","temporal":{"status":"found","start_s":16.5,"end_s":18.0,"reference_s":17.5,"evidence":"16.50秒首次出现完整的居中鲑红色圆盘，随后变为带奶油色圆环、条纹扇贝边缘及四个缺角鲑红圆形的绿松石色徽章；这些是同一完整对象的连续变形。16.25秒仅有前景奶油色方块，尚无圆盘。最后合格帧为17.75秒；18.00秒圆形主体开始被方形替换，扇贝边缘消退。选择17.50秒作为关键帧，徽章轮廓及内部符号清晰，左右独立图形与主体分离。","start_frame":396,"end_frame":432,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[324.2,187.5,675,811.1],"positive_points":[[495,210],[374,490],[427,365],[578,380],[497,716],[502,761]],"negative_points":[[186,500],[811,500],[500,110],[500,885]],"evidence":"目标是中央带奶油色圆环和条纹扇贝边的绿松石圆形徽章。边界框紧贴完整扇贝外围，包含圆盘、内部符号及各层圆边。正点分布在上方条纹边、圆盘、鲑红色内部图形和下方圆边；负点位于左右独立红色方块及徽章上下的外部背景。"}},{"name":"Left rotating square graphic","description":"A salmon diamond outline appears to the left of the medallion and gains a solid coral square. The outline disappears while the coral square rotates, moves inward, and then travels outward to the left.","membership":"Include the outline and its enclosed area while present, together with the coral square inside it. After the outline disappears, include only the square's surface and boundary. Exclude the central medallion, nearby salmon dots, and the later dashed connector.","id":"obj_011","temporal":{"status":"found","start_s":17.0,"end_s":18.75,"reference_s":17.25,"evidence":"目标是中央圆形徽章左侧的鲑红色菱形轮廓及随后出现的珊瑚红实心方块；轮廓消失后继续跟踪旋转、向内再向左移动的方块。首个合格帧为17.00秒，轮廓已完整；此前16.75秒尚无该目标。最后合格帧为18.50秒，左侧方块仍完整可见；18.75秒方块已消失，仅余连接线等其他图形。选择17.25秒作为关键帧，轮廓和内部方块均清晰，与中央徽章分离。","start_frame":408,"end_frame":450,"reference_frame":414},"grounding":{"status":"found","bbox_xyxy":[100,347.2,271.9,652.8],"positive_points":[[186,386],[123,497],[184,613],[250,500],[171,468],[200,526]],"negative_points":[[65,500],[186,250],[480,450],[811,500]],"evidence":"目标是中央圆形徽章左侧的鲑粉色菱形轮廓及其中的珊瑚红方块。边界框紧贴菱形的四个顶点，覆盖轮廓、围合区域和内部方块；六个正点分布于围合区域及方块表面。负点位于左侧和上方外部背景、中央徽章及右侧相似图形上。"}},{"name":"Right rotating square graphic","description":"A salmon diamond outline appears to the right of the medallion and gains a solid coral square. The coral square remains after the outline disappears, moving inward and subsequently outward to the right.","membership":"Include the outline and its enclosed area while present, together with its coral square. Once the outline disappears, follow only the solid square. Exclude the central graphic, nearby salmon dots, and the dashed connector.","id":"obj_012","temporal":{"status":"found","start_s":17.0,"end_s":18.75,"reference_s":17.25,"evidence":"目标是中央徽章右侧的旋转方形：17.00秒完整的鲑粉色菱形轮廓已出现，随后内部出现珊瑚红实心方块；轮廓消失后继续追踪该方块向内、再向右移动。前一帧16.75秒尚无此目标。最后合格帧为18.50秒，右侧红色菱形仍完整可见；18.75秒已消失，仅余连接线及其他中央元素。选择17.25秒作为关键帧，因为轮廓和内部方块均清晰，与中央图形分离且无遮挡。","start_frame":408,"end_frame":450,"reference_frame":414},"grounding":{"status":"found","bbox_xyxy":[722.7,345.8,896.1,654.2],"positive_points":[[809,380],[744,500],[875,500],[809,616],[791,467],[825,530]],"negative_points":[[588,500],[187,500],[938,500],[810,236]],"evidence":"目标位于中央圆形图案右侧，由鲑粉色菱形轮廓及内部珊瑚红实心方块组成。边界框紧贴整个菱形的外缘；正点分布于轮廓包围区域和实心方块内，负点位于中央图案、左侧相似图形及目标外侧背景。"}},{"name":"Central rotating square and grid board","description":"A turquoise square replaces the central medallion between the coral squares. It rotates, becomes dark teal, gains a fine grid, and enlarges into a diamond-oriented board with highlighted cream square cells and surrounding square frames.","membership":"Include the square surface, its grid and highlighted cells, and the surrounding closed frames as they develop into the board. Include the area enclosed by those frames. Exclude the flanking coral squares, floating salmon dots, horizontal connector, and broad background bands.","id":"obj_013","temporal":{"status":"found","start_s":18.0,"end_s":20.0,"reference_s":19.75,"evidence":"目标是中央由青绿色方块旋转、缩放并转为深青色网格板的连续对象，包含随后形成的闭合外框及框内区域。18.00秒方块表面和边界已完整建立；前一帧17.75秒仍是圆形徽章。此后方块持续旋转缩放，最终出现细网格和奶油色高亮方格，最后合格帧为19.75秒。区间延续至视频结尾20.00秒，无后续采样帧。选择19.75秒作为关键帧，因为网格板、高亮单元格和外围闭合方框均清晰可辨。","start_frame":432,"end_frame":480,"reference_frame":474},"grounding":{"status":"found","bbox_xyxy":[278.9,106.9,721.1,893.1],"positive_points":[[507,204],[332,489],[655,510],[493,788],[280,278],[720,681]],"negative_points":[[156,458],[820,500],[508,42],[500,951]],"evidence":"目标是中央带细网格及奶油色高亮方格的深青色菱形棋盘。边界框包含棋盘、菱形边框及最外围青色闭合方框和其包围区域；正点分布于棋盘各部及外围方框，负点位于外围方框之外的背景色带上。"}},{"name":"Dashed horizontal connector","description":"A cream dashed line links the outward-separated coral diamonds and passes across the small turquoise diamond at the center.","membership":"Include only the cream dash segments along the horizontal connection. Exclude the gaps, endpoint diamonds, central diamond, and surrounding background.","id":"obj_014","temporal":{"status":"found","start_s":18.5,"end_s":18.75,"reference_s":18.5,"evidence":"18.50秒出现完整的奶油色水平虚线，连接左右分开的珊瑚色菱形，并穿过中央小绿松石色菱形；仅将虚线段视为目标。首末 qualifying 帧均为18.50秒。前一帧18.25秒尚无连接线，后一帧18.75秒已替换为连续实线。选择18.50秒为关键帧，虚线段清晰且易与菱形区分。","start_frame":444,"end_frame":450,"reference_frame":444},"grounding":{"status":"found","bbox_xyxy":[171.875,495.833,819.531,505.556],"positive_points":[[189.844,500],[314.844,500],[471.094,500],[533.594,500],[674.219,500],[814.844,500]],"negative_points":[[128.906,500],[871.094,500],[501.563,465.278],[500,388.889]],"evidence":"目标是连接左右珊瑚色菱形、横穿中央青绿色菱形的奶油色水平虚线。边界框紧贴可见虚线段的整体范围；六个正点分布在不同的奶油色短划上，四个负点分别位于左右菱形、中央菱形非虚线处及上方背景。"}}]}
+{"video_id":301,"video_type":"icons and abstract motion graphics","targets":[{"name":"Upper-left segmented-circle tile","description":"The upper-left square animation combines cream, peach, yellow, and dark brown circular sectors. Initially, small adjoining quarter circles sit beside a larger yellow block; the sectors expand and rotate into a divided circular motif.","membership":"Includes the complete square graphic tile, its colored surface, and all animated circular sectors and blocks within it. Excludes the neighboring triangle tile and the checker-pattern panel below.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":2,"evidence":"目标是左上角的完整方形图块，位于三角形图块左侧、棋盘格面板上方，包含奶油色底面及桃色、黄色和深棕色圆形扇区。首个合格帧为0秒，图块已完整建立；内部扇区随后持续扩张、旋转和变形，不影响图块的连续存在。最后合格帧为11.75秒，目标仍在原位完整可见。区间到达视频首尾，两端均无区间外采样帧。选择2秒作为关键帧，此时分割圆形图案清楚，图块边界易于辨认且无遮挡。","start_frame":0,"end_frame":288,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[0,0,179.69,319.44],"positive_points":[[11.5,20.4],[106.8,32.4],[112,125],[33.9,115.7],[85.9,230.6],[151,293.5]],"negative_points":[[260.4,157.4],[161.5,481.5],[494.8,166.7],[921.9,888.9]],"evidence":"目标是左上角由奶油色、桃色、黄色和深棕色圆形分区组成的方形图块。边界框覆盖完整方块及其底色和内部图形；六个正点分布在底色、圆弧和各色分区上，四个负点位于右邻三角形、下方棋盘面板、中央图块及右下角相似图案中。"}},{"name":"Upper-left triangle tile","description":"The square tile immediately to the right of the upper-left segmented-circle graphic initially contains a tall cream triangle on yellow. Its triangular wedges open, rotate, and change colors throughout the animation.","membership":"Includes the complete square tile and its animated triangular and diamond-shaped divisions. Excludes the neighboring segmented-circle tile, central vertical graphic, and checker-pattern panel below.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":0,"evidence":"目标是左上角分段圆图形右侧、棋盘格面板上方的方形图块，初始为黄色底上的高大奶油色三角形。首个合格帧为0秒，末个为11.75秒；整个过程中方形图块持续存在，内部三角形及菱形分区的展开、旋转和变色属于完整对象的变形，并非构建或退出。区间覆盖视频首尾，两端均无区间外采样帧。选择0秒作为关键帧，因为图块边界和三角形清晰，易与邻近图形区分。","start_frame":0,"end_frame":288,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[179.69,0,359.38,319.44],"positive_points":[[200,49],[327,64],[269,89],[240,216],[337,257],[198,291]],"negative_points":[[106,132],[273,340],[283,401],[418,219]],"evidence":"目标是左上方分段圆图形右侧、黄色底上含高大奶油色三角形的正方形瓦片。边界框覆盖完整方形及其内部色块；六个正点分布于三角形和两侧黄色区域，负点位于左邻分段圆、下方深色横条及棋盘面板、右侧中央竖向图形。"}},{"name":"Central nested-diamond panel","description":"The tall central panel contains expanding nested diamonds and chevrons surrounding a rotating dark brown square with a yellow circular center and peach shapes on either side.","membership":"Includes the entire bounded central vertical panel, its surface, outer chevrons, nested diamond bands, central square and circle, and flanking shapes. Enclosed areas belong to their surrounding shapes. Excludes both side columns of tiles.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":2,"evidence":"目标是画面中央的完整纵向面板，包含外层人字纹、嵌套菱形、带黄色圆心的深棕色方块及两侧桃色形状，不含左右两列图块。首个合格帧为0.00秒，末个为11.75秒；面板始终完整存在，内部旋转、缩放和变形不构成消失。区间到达视频首尾，两端均无区间外采样帧。选择2.00秒作为关键帧，此时面板边界和各层几何形状清晰，无遮挡。","start_frame":0,"end_frame":288,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[359.4,0,640.6,1000],"positive_points":[[379,48],[528,194],[393,521],[503,500],[618,690],[491,934]],"negative_points":[[299,230],[236,498],[720,495],[730,856]],"evidence":"目标是画面中央贯穿上下的竖直面板，以深棕菱形框、中央方块和黄色圆心识别。边界框覆盖整个中央面板表面、外层人字形及嵌套图案，不含左右瓷砖列。六个正点分布在面板上部、菱形框、圆心及下部；四个负点位于左右两侧的独立图案列。"}},{"name":"Upper-right four-part rotor tile","description":"The square tile directly to the right of the central panel has a yellow central square surrounded by alternating cream and dark brown sections. These sections rotate and deform around the center.","membership":"Includes the complete square tile, its four surrounding sections, and the central yellow square or diamond. Excludes the concentric-circle tile to its right and the circle-pattern panel below.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":0,"evidence":"目标位于中央面板右上侧、同心圆 tile 左侧及圆形图案面板上方，由黄色中心方块和交替的奶油色、深棕色四部分组成。首个合格帧为0秒，最后为11.75秒；其完整方形区域始终存在，期间只是旋转和形变，无消失或退出。区间覆盖视频首尾，两端均无更外侧采样帧。选择0秒作为关键帧，此时中心方块及四周分区清晰、无遮挡，便于与相邻图案区分。","start_frame":0,"end_frame":288,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[640.625,0,820.313,319.444],"positive_points":[[727,32],[656,155],[801,159],[731,284],[704,118],[752,208]],"negative_points":[[909,161],[728,418],[597,189],[543,73]],"evidence":"目标位于中央大面板右侧、同心圆图块左侧的顶部正方形区域，中央为黄色方块，四周为交替的米色与深棕色部分。边界框覆盖完整方形图块；六个正点分布在中央黄色区域及四周部分，负点位于右侧同心圆、下方圆弧图案面板和左侧中央面板，均在目标之外。"}},{"name":"Upper-right concentric-circle tile","description":"The far upper-right square contains a large concentric circular motif, initially a peach ring with a cream center against dark brown. Its rings expand and cycle through the palette.","membership":"Includes the complete square tile and all concentric rings and central disks within it, including the areas enclosed by the rings. Excludes neighboring tiles.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":0,"evidence":"目标��最右上角的完整方形图块，初始为深棕底、桃色圆环和奶油色中心，排除相邻图块。其方形区域在所有采样帧中持续存在，圆环扩张及配色变化属于内部动画。首个合格帧为0秒，最后为11.75秒，因此区间为[0,12)。区间到达视频两端，没有更早或更晚的采样帧。选择0秒作为关键帧，因为方块和同心圆轮廓清楚且无遮挡。","start_frame":0,"end_frame":288,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[820.31,0,1000,319.44],"positive_points":[[837,24],[910,42],[972,124],[907,160],[848,215],[980,297]],"negative_points":[[767,165],[796,421],[714,491],[743,38]],"evidence":"目标位于图像最右上角，是深棕底、桃色圆环与奶油色中心组成的正方形图块。边界框覆盖完整方形图块，包括底色、圆环及中心圆盘；正点分布于这些区域，负点位于左侧和下方的相邻图块，均远离目标边缘。"}},{"name":"Left checker-pattern panel","description":"The wide middle-left panel contains three horizontal rows of cream, yellow, and peach rectangular blocks, with dark brown framing shapes behind them. The blocks slide, change widths, and progressively reduce in number.","membership":"Includes the complete bounded middle-left graphic panel, its backing surface, animated framing shapes, and all three rows of colored blocks. Excludes the square tiles above and below and the central vertical panel.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":0,"evidence":"目标是画面中部偏左的宽矩形棋盘图案面板，包括三行奶油色、黄色和桃色块、背板及深棕色框形，不含上下方块和中央竖向面板。首帧0秒结构已完整，至末帧11.75秒持续存在；色块滑动、变宽及数量减少属于面板内部变化，未见面板退出。区间到达视频首尾，两端均无区间外采样帧。选择0秒为关键帧，因三行色块及面板边界清晰、无遮挡。","start_frame":0,"end_frame":288,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[0,319.44,359.38,680.56],"positive_points":[[53,401],[286,339],[122,497],[179,516],[287,593],[10,616]],"negative_points":[[267,218],[90,830],[269,838],[490,657]],"evidence":"目标是画面中左侧含三排奶油色、黄色和桃色矩形块的横向面板。边界框覆盖完整面板底面、深棕色框架和三排色块，不含上下方块及中央竖向面板。正点分布于不同排的色块和棕色框架；负点位于上方三角图块、下方圆环与黄色方块及中央竖向面板。"}},{"name":"Right circle-pattern panel","description":"The wide middle-right panel shows large cream circles and semicircles against dark brown. Their movement alternately produces complete disks and concave four-point gaps.","membership":"Includes the complete rectangular pattern panel, its cream circular forms, dark brown interstitial regions, and clipped forms at its edges. Excludes the separate square tiles above and below.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":2,"evidence":"目标是画面中部右侧的宽矩形图案面板，内有奶油色圆形、半圆及深棕色间隙，不包括上下独立方块。首个合格帧为0.00秒，面板已完整建立；最后合格帧为11.75秒，仍持续存在。其间仅圆形图案移动变形，边缘裁切属于面板设计，没有出现退出或拆解。区间覆盖视频首尾，两端均无更外侧采样帧。选择2.00秒为关键帧，此时面板边界清楚，两个大圆及深棕底色易于区分。","start_frame":0,"end_frame":288,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[640.6,319.4,1000,680.6],"positive_points":[[687,438],[751,601],[811,367],[855,469],[964,579],[822,649]],"negative_points":[[727,177],[907,166],[736,830],[916,848]],"evidence":"目标是图像中右侧横向矩形图案面板，奶油色大圆与深棕色圆间区域相间。边界框覆盖完整面板及左右边缘裁切的圆形，不包含上下独立方形图块。六个正点分布在面板内的奶油色圆面和深棕色区域，四个负点位于面板上方及下方的独立图块中。"}},{"name":"Lower-left concentric-circle tile","description":"The far lower-left square contains a concentric circular motif matching the upper-right ring animation. It initially has a peach outer ring and cream center on dark brown.","membership":"Includes the complete lower-left square tile, all rings and central disks, and the areas enclosed by their boundaries. Excludes the rotor tile to its right and the checker-pattern panel above.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":0,"evidence":"目标是最左下方的方形同心圆瓷砖，位于棋盘格面板下方、转子瓷砖左侧；初始为深棕底、桃色外环和奶油色圆心。首个合格帧为0秒，最后为11.75秒，完整方形区域始终存在，环与圆心的颜色、大小变化属于内部动画，并非退出。区间覆盖视频全长，两���均无额外采样帧。选择0秒作为关键帧，因为初始圆环结构清晰且无遮挡，容易与右侧转子区分。","start_frame":0,"end_frame":288,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[0,680.56,179.69,1000],"positive_points":[[10,697],[167,980],[50,739],[155,855],[85,839],[88,974]],"negative_points":[[265,836],[111,592],[485,877],[55,653]],"evidence":"目标是最左下角的同心圆方形图块，与右上角圆环图案对应。边界框覆盖整个方形图块，包括深棕底色、桃色圆环和奶油色中心。正点分布在底色、圆环及中心圆盘上；负点位于右侧旋转图块、上方棋盘面板及其他外部区域。"}},{"name":"Lower-left four-part rotor tile","description":"The square immediately right of the lower-left concentric circles contains a yellow central square with alternating cream and dark brown surrounding sections that rotate and deform.","membership":"Includes the complete square tile, its surrounding rotating sections, and its central yellow square or diamond. Excludes the concentric-circle tile, central vertical panel, and checker-pattern panel above.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":1,"evidence":"目标是左下同心圆右侧、棋盘格下方的方形转子瓷砖，包含黄色中心方块或菱形及交替的奶油色、深棕色周围区域。首个合格帧为0.00秒，最后为11.75秒；整个期间结构完整，旋转和变形未中断其连续出现。区间到达视频首尾，两端均无区间外相邻采样帧。选择1.00秒为关键帧，此时方形区域边界清晰，四部分及黄色中心菱形易于区分。","start_frame":0,"end_frame":288,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[179.7,680.6,359.4,1000],"positive_points":[[214,735],[320,756],[213,938],[319,937],[269,840],[246,787]],"negative_points":[[91,843],[406,865],[291,592],[124,500]],"evidence":"目标是左下同心圆右侧的四分旋转方砖，中央有黄色菱形。边框覆盖整块方砖，包括奶油色、深棕色分区及中央菱形，下缘至图像底部。正点分布在各分区和菱形上；负点位于左侧同心圆、右侧中央竖向面板及上方棋盘格面板。"}},{"name":"Lower-right triangle tile","description":"The square below the left half of the right circle-pattern panel initially shows a tall cream triangle on yellow. Its wedges change into peach diamonds and inverted yellow triangles as they animate.","membership":"Includes the complete square tile and all triangular and diamond-shaped divisions within it. Excludes the central vertical panel, circle-pattern panel above, and segmented-circle tile to its right.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":0,"evidence":"目标是右侧圆形图案面板左半部下方、分段圆形瓷砖左侧的完整方形瓷砖，初始为黄色底上的高奶油色三角形。其内部楔形持续变换为桃色菱形和倒置黄色三角形，属于同一瓷砖的连续动画。首个合格帧为0秒，最后为11.75秒，始终未见退出或消失；区间已覆盖视频首尾，两端均无区间外采样帧。选择0秒作为关键帧，方形边界与内部三角形清晰，便于区分相邻面板。","start_frame":0,"end_frame":288,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[640.625,680.556,820.313,1000],"positive_points":[[658,729],[800,735],[665,917],[731,814],[777,951],[704,973]],"negative_points":[[609,855],[737,622],[865,854],[942,910]],"evidence":"目标是右侧圆形图案面板左半部下方、黄色底上带高大奶油色三角形的方形砖块。边界框覆盖完整方块至图像底边；六个正点分布在黄色底和三角形内部，四个负点位于中央竖向面板、上方圆形图案及右邻分段圆形砖块中。"}},{"name":"Lower-right segmented-circle tile","description":"The far lower-right square combines circular sectors with cream and yellow blocks, echoing the upper-left segmented-circle animation. Small initial quarter circles expand into larger rotating, divided circular forms.","membership":"Includes the complete square tile, its colored surface, and all animated circular sectors and blocks inside it. Excludes the triangle tile to its left and the circle-pattern panel above.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":12,"reference_s":2,"evidence":"目标是最右下角的完整方形图块，位于三角形图块右侧、圆形纹样面板下方，包含奶油色和黄色色块及旋转的分割圆形。首个合格帧为0秒，方块表面已完整建立；内部小扇形随后扩张、旋转属于内容变化。最后合格帧为11.75秒，图块仍完整可见，无退出迹象。区间覆盖视频首尾，两端均无区间外采样帧。选择2秒作为关键帧，此时方块及其分割圆形清晰，便于与左侧和上方图案区分。","start_frame":0,"end_frame":288,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[820.31,680.56,1000,1000],"positive_points":[[840,704],[945,733],[886,788],[933,809],[900,902],[835,963]],"negative_points":[[778,837],[917,605],[718,577],[602,777]],"evidence":"目标是最右下方含分割圆形、奶油色与黄色块的完整方形瓷砖。边界框覆盖该瓷砖全部可见表面，直至图像右边和底边；六个正点分布于底色、圆弧及各色块上，负点位于左侧三角形瓷砖、上方圆形图案面板和更左侧的独立图案内。"}}]}
+{"video_id":302,"video_type":"icons and abstract motion graphics","targets":[{"name":"Animated bee graphic","description":"Yellow-and-black bee with two outlined wings, curved antennae, and a pointed lower body, initially centered on the white logo demonstration. It moves around the emerging BeeKrafty wordmark.","membership":"Include the bee's body, eye, stripes, wings, antennae, and their outlines and enclosed areas. Exclude the wordmark, its horizontal underline, the caption, and the white background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.75,"reference_s":0.5,"evidence":"目标是白色标志演示中的黄黑蜜蜂，具有两片描边翅膀、弯曲触角和尖尾，不含 BeeKrafty 字样及下划线。首个合格帧为 0.00 秒，蜜蜂已完整呈现；视频起点前无采样帧。最后合格帧为 1.50 秒，蜜蜂随白色面板转向左侧，仍完整可见；1.75 秒面板与蜜蜂均已消失。选择 0.50 秒作为关键帧，蜜蜂轮廓清晰且与字样分离，便于标注。","start_frame":0,"end_frame":42,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[567,367,752,485],"positive_points":[[694,383],[628,410],[594,428],[712,431],[658,453],[632,469]],"negative_points":[[576,520],[362,539],[410,777],[813,422]],"evidence":"目标是 BeeKrafty 字标上方的黄黑蜜蜂。边界框紧贴触角、双翅和身体至下端尖部；六个正点分布在触角、两翼、黄色身体、条纹及下端封闭区域。负点位于字标、下划线、下方说明文字和右侧白色背景，均不属于蜜蜂。"}},{"name":"SVG logo animations caption","description":"Bold black text reading “SVG logo animations” below the bee and wordmark demonstration.","membership":"Include all letters of this text block as it moves with the presentation. Exclude the bee, wordmark, and backing card.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.25,"reference_s":0.5,"evidence":"目标是蜜蜂及 BeeKrafty 字标下方的黑色粗体文字“SVG logo animations”，不包含图标或卡片。首个合格帧为0.00秒，文字已完整呈现；最后合格帧为1.00秒，虽随卡片倾斜移动，所有字母仍完整可见。1.25秒时该文字已移出画面。区间始于视频开头，没有更早的采样帧。选择0.50秒作为关键帧，因为文字清晰、正向且无遮挡。","start_frame":0,"end_frame":30,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[195,760,806,792],"positive_points":[[207,768],[252,781],[340,773],[411,787],[558,775],[789,783]],"negative_points":[[500,738],[500,815],[572,519],[701,431]],"evidence":"目标是蜜蜂和 BeeKrafty 字标下方的黑色粗体“SVG logo animations”。边界框紧贴整行文字，包含全部字母及字符间距；六个正点分布在不同字母的笔画上，负点位于文字上下的外部背景及被排除的字标、蜜蜂上。"}},{"name":"BeeKrafty wordmark","description":"Black serif “BeeKrafty” lettering progressively revealed beside the bee, with a horizontal underline beneath it.","membership":"Include the revealed wordmark letters and the associated horizontal underline throughout the reveal. Exclude the independently moving bee, the lower caption, and the white backing.","id":"obj_003","temporal":{"status":"found","start_s":0.5,"end_s":1.5,"reference_s":0.75,"evidence":"目标为黑色衬线“BeeKrafty”字样及其下划线，不含蜜蜂、下方说明或白色背景。0.50秒首次完整显示，前一帧0.25秒仍在逐字揭示；最后合格帧为1.25秒，字标虽随面板旋转但仍完整可见，1.50秒则被移入的蓝色面板遮去右部。选择0.75秒作为关键帧，字标清晰完整，且与蜜蜂分离，便于标注。","start_frame":12,"end_frame":36,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[340,502,790,552],"positive_points":[[388,521],[499,528],[543,522],[683,524],[761,539],[361,543]],"negative_points":[[321,439],[498,780],[560,475],[566,581]],"evidence":"目标为蜜蜂右下方的黑色衬线“BeeKrafty”字标。边界框紧贴完整字母及其下方横线；六个正点分布于字母笔画和横线上，负点位于独立蜜蜂、下方说明文字及字标外的白色背景。"}},{"name":"Fountain pen nib icon","description":"Purple gradient fountain pen nib at the upper left of the six-icon demonstration on a dark blue background. Its orientation changes during the animation.","membership":"Include the nib, its cap-like upper bar, black slit and central hole, and enclosed surfaces. Exclude transient surrounding control points and guide strokes, other icons, and the background.","id":"obj_004","temporal":{"status":"found","start_s":1.25,"end_s":2.75,"reference_s":1.75,"evidence":"目标是深蓝色六图标面板左上方的紫色钢笔尖，包含顶端横条、黑色笔缝和中心孔，不含周围控制点及引导线。首个完整显示帧为1.25秒，最后合格帧为2.50秒；此前1.00秒被前方白色面板遮挡，随后2.75秒已移至左侧边界并开始被裁切。选择1.75秒作为关键帧，笔尖结构清晰、无遮挡，且易与其他图标区分。","start_frame":30,"end_frame":66,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[173,390,294,458],"positive_points":[[252,399],[279,414],[201,418],[247,431],[225,446],[226,427]],"negative_points":[[140,424],[313,449],[514,426],[228,482]],"evidence":"目标为六图标组左上方的紫色钢笔笔尖。边界框紧贴笔尖主体及其上方倾斜短条，包含黑色中孔、笔缝和封闭表面。正点分布于短条、笔尖两侧和中孔；负点位于外围深蓝背景及右侧黄色闪电图标上。"}},{"name":"Lightning bolt icon","description":"Yellow-to-orange lightning bolt in the upper middle of the icon demonstration, changing between solid and outlined forms.","membership":"Include the bolt's changing silhouette and, when outlined, its boundary and enclosed interior. Exclude neighboring icons and the dark blue backing.","id":"obj_005","temporal":{"status":"found","start_s":1.0,"end_s":3.25,"reference_s":1.75,"evidence":"目标是深蓝色图标展示中上排中央的黄橙色闪电，期间由实心变为描边。首个合格帧为1.00秒，虽随面板倾斜但闪电完整可见；此前0.75秒尚未出现。最后合格帧为3.00秒，闪电仍完整可见于左侧退场面板；3.25秒已被前景切换按钮面板遮住。选择1.75秒作为关键帧，闪电清晰、无遮挡且与邻近图标分离。","start_frame":24,"end_frame":78,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[462,394,567,467],"positive_points":[[519,401],[503,416],[477,433],[519,431],[547,427],[513,454]],"negative_points":[[431,415],[595,450],[226,421],[504,574]],"evidence":"目标是图标组上排中央的黄橙色实心闪电。边界框紧贴闪电的完整可见轮廓；六个正点分布在上尖端、中部横折和下部尖角内，负点位于两侧深蓝背景及相邻的钢笔、聊天气泡图标上。"}},{"name":"Blue add-document icon","description":"Blue rounded-square document icon at the upper right of the icon demonstration, with a white plus sign, a folded lower corner, and intermittently revealed white lines.","membership":"Include the complete blue icon surface, folded corner, any extending document portion, and its white symbols and lines. Exclude surrounding shadows, neighboring icons, and the background.","id":"obj_006","temporal":{"status":"found","start_s":1.25,"end_s":3.0,"reference_s":1.75,"evidence":"目标是图标演示区右上方带白色加号、折角及动态白线的蓝色文档图标。首个完整呈现帧为1.25秒，最后合格帧为2.75秒；此前1.00秒仅露出被前方白色面板遮挡的一部分，之后3.00秒被进入的紫色面板部分遮去。选择1.75秒作为关键帧，此时蓝色主体、延伸文档部分、折角和白色符号均清晰可见。","start_frame":30,"end_frame":72,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[719,393,854,491],"positive_points":[[747,405],[761,416],[810,412],[791,439],[761,475],[829,470]],"negative_points":[[680,435],[899,435],[780,519],[514,432]],"evidence":"目标是图标组右上方带白色加号和横线的蓝色文档图标。边界框覆盖完整蓝色主体、向下延伸的文档部分及右下折角，不含阴影。正点分布于蓝色表面、白色符号和折角；负点位于左右及下方背景和相邻黄色闪电上。"}},{"name":"Stopwatch icon","description":"Cyan-to-blue circular stopwatch at the lower left of the icon demonstration, with a small top button and animated white hands.","membership":"Include the circular face and its enclosed area, top button, and white hands. Exclude the background, surrounding shadow, and adjacent icons.","id":"obj_007","temporal":{"status":"found","start_s":1.25,"end_s":3.25,"reference_s":2.0,"evidence":"目标是图标演示区左下方的青蓝渐变秒表，包含圆形表盘、顶部按钮和白色指针。首个完整呈现帧为1.25秒；1.00秒时秒表仍被前方白色卡片遮挡。最后合格帧为3.00秒，秒表虽随卡片缩小、倾斜但仍完整；3.25秒时被滑入的紫色卡片遮去部分结构，随后消失。选择2.00秒作为关键帧，此时秒表清晰完整，且与相邻图标分离。","start_frame":30,"end_frame":78,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[168,545,283,619],"positive_points":[[224,549],[199,567],[255,575],[189,594],[247,605],[225,594]],"negative_points":[[143,577],[224,639],[505,576],[220,436]],"evidence":"目标是图标组左下方的青蓝渐变秒表。边界框紧贴圆形表面及顶部按钮，包含白色指针，不含周围阴影。��点分布在按钮、表面和指针上；负点位于左侧及下方背景、右侧聊天图标和上方钢笔图标。"}},{"name":"Chat bubble icon","description":"Purple gradient speech bubble with three white dots in the lower middle of the icon demonstration.","membership":"Include the rounded bubble, its downward-pointing tail, the enclosed purple surface, and all three dots. Exclude neighboring icons and the background.","id":"obj_008","temporal":{"status":"found","start_s":1.0,"end_s":3.0,"reference_s":2.0,"evidence":"目标是图标演示区下排中间带三个白点的紫色渐变聊天气泡，包含圆润主体和向下尾尖。首个合格帧为1.00秒，虽随面板倾斜但结构完整；最后合格帧为2.75秒。此前0.75秒尚未出现，随后3.00秒被进入的开关演示面板遮住。选择2.00秒作为关键帧，气泡正面清晰、无遮挡，且易与相邻图标区分。","start_frame":24,"end_frame":72,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[438,547,572,613],"positive_points":[[472,575],[505,575],[538,575],[478,559],[536,590],[505,604]],"negative_points":[[506,525],[506,641],[785,582],[224,586]],"evidence":"目标是下排中间带三个白点的紫色聊天气泡。边界框紧贴圆润气泡及向下的尾部；正点分布在三个白点、紫色表面和尾部，负点位于上下外部背景及左右相邻图标上。"}},{"name":"Paper airplane icon","description":"Bright green paper airplane in the lower right of the icon demonstration, moving and changing orientation during the animation.","membership":"Include all visible folded sections and dark fold divisions of the airplane, following its pointed outline and concavities. Exclude the background and neighboring icons.","id":"obj_009","temporal":{"status":"found","start_s":1.25,"end_s":2.25,"reference_s":2.0,"evidence":"目标是深蓝色图标演示区右下方的亮绿色纸飞机，具有尖头、折叠翼面和深色折线。首次完整呈现于1.25秒，持续至最后合格帧2.00秒；前一帧1.00秒仍被前景白色面板遮挡，尚未完整显露，后一帧2.25秒飞机已消失。选择2.00秒作为关键帧，因为飞机轮廓和折叠结构清晰，与相邻图标分离且无遮挡。","start_frame":30,"end_frame":54,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[727,562,862,608],"positive_points":[[742,583],[780,576],[844,569],[811,586],[785,599],[763,602]],"negative_points":[[506,575],[700,620],[900,590],[780,540]],"evidence":"目标是图标组右下方的亮绿色纸飞机。边界框紧贴飞机尖端、两片折叠翼面及下方小折角，包含深色折线。六个正点分布在各绿色折叠部分，四个负点位于飞机外围深蓝背景及左侧紫色聊天图标上。"}},{"name":"SVG icon animations caption","description":"White text reading “SVG icon animations” beneath the six colorful icons; its letters briefly follow a curved arrangement during entry.","membership":"Include the complete caption, including displaced letters during its reveal. Exclude the icons and backing panel.","id":"obj_010","temporal":{"status":"found","start_s":1.5,"end_s":2.75,"reference_s":2.0,"evidence":"目标是六个彩色图标下方的白色“SVG icon animations”完整字幕，不含图标和面板。首个合格帧为1.50秒，最后合格帧为2.50秒，此时字幕虽随面板倾斜移动但仍完整可见。前一帧1.25秒的字母仍在沿曲线逐步显现，文字尚未完整呈现；后一帧2.75秒字幕已随面板移出画面。选择2.00秒作为关键帧，字幕清晰、水平且无遮挡。","start_frame":36,"end_frame":66,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[197,766,804,792],"positive_points":[[206,773],[293,770],[341,781],[431,780],[576,780],[789,787]],"negative_points":[[502,578],[775,421],[500,729],[500,821]],"evidence":"目标是六个彩色图标下方的白色“SVG icon animations”完整标题。边界框紧贴整行文字，正点分布在不同单词的实际字形笔画上；负点位于上方图标及文字上下的深色背景，排除图标和底板。"}},{"name":"Day and night toggle control","description":"Large white pill-shaped toggle with a raised circular thumb, presented against a colored square. The thumb carries a crescent moon on the right and a sun as it moves to the left, while the surrounding presentation changes from purple to yellow.","membership":"Include the complete pill-shaped track, its enclosed surface, the circular thumb and its boundary, and the moon or sun displayed inside it. Exclude the larger colored square, outer presentation card, caption, and surrounding cast shadow.","id":"obj_011","temporal":{"status":"found","start_s":2.75,"end_s":4.5,"reference_s":3.5,"evidence":"目标是白色胶囊轨道及带月亮／太阳的圆形滑块，不含彩色背景和文字。2.75秒首次完整可见，虽有倾斜但结构已齐全；此前2.50秒仅在画面右缘露出局部。最后完整帧为4.25秒，4.50秒控件右端已被转入的深色卡片遮切，开始退出。选择3.50秒作为关键帧，控件正面清晰、完整无遮挡，月亮滑块与轨道边界容易辨认。","start_frame":66,"end_frame":108,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[181,421,824,569],"positive_points":[[229,492],[333,450],[454,542],[564,480],[778,489],[642,503]],"negative_points":[[493,368],[500,630],[888,501],[480,815]],"evidence":"目标是紫色方形面板中央的白色日夜切换控件，右侧圆形滑块内有紫色月牙。边界框紧贴完整胶囊轨道和圆形滑块，不含外围投影。正点分布在轨道表面、滑块及月牙上；负点位于控件外的紫色面板和下方标题处。"}},{"name":"Animated toggle buttons caption","description":"Black text reading “Animated toggle buttons” below the large day-and-night switch demonstration.","membership":"Include the complete text block and its letters during their animated arrangement. Exclude the switch and colored backing panels.","id":"obj_012","temporal":{"status":"found","start_s":3.0,"end_s":4.25,"reference_s":3.5,"evidence":"目标是大型昼夜开关下方的黑色“Animated toggle buttons”完整文字块。首个合格帧为3.00秒，字母虽仍呈弧形排列，但已全部显示；此前2.75秒仅显示部分字母，揭示尚未完成。最后合格帧为4.00秒，文字完整可见；4.25秒面板移出时，标题已不可见。选择3.50秒作为关键帧，文字水平排列、清晰且无遮挡。","start_frame":72,"end_frame":102,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[130,798,872,831],"positive_points":[[150,805],[238,818],[409,811],[579,811],[656,805],[863,819]],"negative_points":[[500,770],[500,860],[86,816],[928,816]],"evidence":"目标是开关演示下方的黑色单行文字“Animated toggle buttons”。边界框紧贴完整文字，包括字母下伸部分；六个正点分布在三个单词的字母笔画上，四个负点位于文字上、下、左、右的外部紫色背景，不包含开关或背板。"}},{"name":"Animated jellyfish","description":"Luminous blue-and-purple jellyfish with a rounded translucent bell and long, flowing tentacles, displayed centrally on a nearly black background for the morph demonstration.","membership":"Include the bell, its enclosed colored surface and highlights, the visible underside, and each trailing tentacle. Follow the changing contours and leave spaces between tentacles outside the region. Exclude detached particles, background glow, and the caption.","id":"obj_013","temporal":{"status":"found","start_s":4.25,"end_s":5.5,"reference_s":5.0,"evidence":"目标是近黑背景上的蓝紫色发光水母，包含圆润伞部及拖曳触手。4.25秒虽随面板倾斜旋转，但水母自身已完整可见；最后合格帧为5.25秒。此前4.00秒仅见画面右缘被裁切的局部，之后5.50秒水母下移，触手被底边裁切。选择5.00秒为关键帧，伞部与各条触手清晰，无遮挡，便于排除背景光晕及游离粒子。","start_frame":102,"end_frame":132,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[283,364,753,647],"positive_points":[[563,405],[678,466],[298,553],[347,586],[370,627],[445,619]],"negative_points":[[590,318],[796,517],[212,580],[490,812]],"evidence":"目标是画面中央蓝紫色发光水母。边界框紧贴圆顶伞体至各条触须末端，包含彩色表面、高光和可见下侧。六个正点分布在伞体及四条拖曳触须上；负点位于上方、左右外部背景和下方字幕处，排除背景光晕、游离粒子及字幕。"}},{"name":"Morph animations caption","description":"White text reading “Morph animations” below the jellyfish, initially revealed with some letters rising along a curve.","membership":"Include all caption letters throughout their reveal and settled arrangement. Exclude the jellyfish and dark backing card.","id":"obj_014","temporal":{"status":"found","start_s":5.0,"end_s":5.5,"reference_s":5.0,"evidence":"目标是水母下方的白色“Morph animations”字幕，不含水母和底卡。首个符合条件的帧为5.00秒，文字已完整显现；最后一帧为5.25秒。此前4.75秒末尾字母仍沿曲线上升、淡入，初始揭示尚未完成；此后5.50秒字幕随卡片下移，已离开画面。选择5.00秒作为关键帧，字幕完整清晰且无遮挡。","start_frame":120,"end_frame":132,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[233.6,798.1,771.4,830.6],"positive_points":[[241.8,813.9],[361.8,825.9],[401.3,810.2],[541.1,813.0],[649.7,800.9],[754.9,807.4]],"negative_points":[[181,813],[814,813],[502,861],[609,435]],"evidence":"目标是水母下方的白色“Morph animations”字幕。边界框紧贴整段文字，包含所有字母及下伸笔画；六个正点分布在不同字母的实笔画上，负点位于字幕左右、下方的深色背景及上方水母上，排除水母和背景卡片。"}},{"name":"Collection call-to-action text","description":"Large centered white two-line message reading “See the full collection on SVGator Blog” above an article preview.","membership":"Include the entire two-line text block. Exclude the article preview, pointer graphic, and dark background.","id":"obj_015","temporal":{"status":"found","start_s":5.5,"end_s":7.0,"reference_s":6.0,"evidence":"目标是文章预览上方居中的白色两行文字“See the full collection / on SVGator Blog”。首个合格帧为5.50秒，文字已完整呈现；前一帧5.25秒仍是水母动画，没有该文字。最后合格帧为6.75秒，下一帧7.00秒文字已开始变暗淡出，因此区间结束于7.00秒。选择6.00秒作为关键帧，整段文字清晰完整且无遮挡。","start_frame":132,"end_frame":168,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[133,266,870,356],"positive_points":[[150,271],[488,283],[855,285],[229,334],[385,340],[686,333]],"negative_points":[[500,222],[82,310],[500,378],[500,500]],"evidence":"目标是文章预览上方居中的白色两行文字“See the full collection on SVGator Blog”。边界框覆盖完整两行文字；六个正点分布在两行的实际字形笔画上，负点位于文字外的深色背景及下方文章预览内，均避开目标。"}},{"name":"SVG animation examples article preview","description":"Compact portrait article card with a pale rounded border. Its upper collage reads “SVG ANIMATION EXAMPLES”; the white lower section reads “40+ Cool SVG Animation Examples to Inspire You” and “SVGator.”","membership":"Include the complete rounded card boundary, its surface, upper collage, embedded icons and text, and lower article information. Exclude the large external pointer, the call-to-action above, and the surrounding background.","id":"obj_016","temporal":{"status":"found","start_s":5.75,"end_s":7.0,"reference_s":6.0,"evidence":"目标是带浅色圆角边框的竖向文章预览卡，上部写有“SVG ANIMATION EXAMPLES”，下部显示文章标题和“SVGator”；不包含外部大指针及上方宣传文字。首个合格帧为5.75秒，最后合格帧为6.75秒。此前5.50秒卡片下部仍被前景面板遮住，尚未完成揭示；此后7.00秒卡片开始整体淡出。选择6.00秒作为关键帧，卡片完整清晰，边界及内部图文易于辨认。","start_frame":138,"end_frame":168,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[275,396,729,753],"positive_points":[[321,431],[638,445],[484,506],[332,568],[569,669],[395,729]],"negative_points":[[750,608],[513,338],[197,556],[510,802]],"evidence":"根据上部“SVG ANIMATION EXAMPLES”拼贴及下部文章标题和“SVGator”识别该卡片。边界框紧贴完整浅色圆角卡片，覆盖其边框、表面、图标和文章信息。正点分布于上部拼贴及下部信息区；负点位于外部大指针、上方宣传文字和卡片外背景，均不属于目标。"}},{"name":"Large promotional pointer","description":"Oversized white arrow pointer with a dark outline overlapping the right side of the article preview, presented as part of the promotional graphic.","membership":"Include the arrow's outlined silhouette and enclosed white area. Exclude the article card beneath it and any surrounding shadow.","id":"obj_017","temporal":{"status":"found","start_s":5.75,"end_s":7.0,"reference_s":6.0,"evidence":"目标是文章预览卡右侧叠放的 oversized 白色箭头，具有深色轮廓，与卡内的小光标不同。首个完整呈现帧为5.75秒，最后合格帧为6.75秒；此前5.50秒仍被前景退出面板遮挡，尚未完整揭示，之后7.00秒已开始随宣传画面淡出。选择6.00秒作为关键帧，箭头轮廓清楚、无遮挡，便于独立标注。","start_frame":138,"end_frame":168,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[702.3,577.8,817.4,648.1],"positive_points":[[713.8,588],[728.6,601.9],[743.4,612],[791.1,611.1],[743.4,632.4],[725.3,617.6]],"negative_points":[[664.5,610.2],[808,643],[777,562],[502,579]],"evidence":"目标是文章预览卡片右侧叠放的大号白色黑边箭头。边界框紧贴箭头可见轮廓，包含白色内部，不包含周围阴影。六个正点分布于箭头尖端、主体及下方尖角内部；负点位于旁边卡片、外围深色背景和卡片中的小指针上。"}},{"name":"SVGator closing logo","description":"Centered closing brand mark on a very dark background, combining a small turquoise-and-white emblem with lowercase “svgator” lettering, turquoise for “svg” and pale for “ator.”","membership":"Include the emblem and the complete wordmark as one compact brand unit. Follow the emblem's individual shapes and letter contours; exclude the surrounding dark background.","id":"obj_018","temporal":{"status":"found","start_s":8.0,"end_s":9.0,"reference_s":8.25,"evidence":"目标是深色背景中央的完整 SVGator 品牌组合：青绿与白色徽记，以及青绿色“svg”和浅色“ator”字标。首个符合条件的采样帧为 8.00 秒，前一帧 7.75 秒仍处于淡入、整体明显偏暗；最后符合条件的帧为 8.75 秒，目标完整保留至视频结束，边界之后没有采样帧。选择 8.25 秒作为关键帧，徽记和完整字标清晰、无遮挡。","start_frame":192,"end_frame":216,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[232,473,779,531],"positive_points":[[255,479],[331,487],[400,491],[526,526],[574,502],[752,504]],"negative_points":[[181,500],[822,500],[493,449],[493,559]],"evidence":"图像中央可见青绿色与白色组合徽记，以及完整的小写“svgator”字标，与目标描述一致。边界框紧贴徽记和全部文字的可见范围；六个正点分布在徽记形状及不同字母笔画上，四个负点位于品牌单元上下左右的外围深色背景。"}}]}
+{"video_id":303,"video_type":"icons and abstract motion graphics","targets":[{"name":"SVG motion plugin panel","description":"White floating Figma plugin headed “SVG motion,” initially blank and then displaying animation previews and customization controls. Its tabs include “Custom,” “Library,” and “Activation pro account.”","membership":"Include the complete floating panel, its boundary, header, tabs, preview surface, controls, and footer buttons. Exclude the surrounding Figma editor and ordinary cursor.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":9,"reference_s":2.5,"evidence":"目标为中央标题为“SVG motion”的白色浮动插件面板，包含页签、预览区、设置控件及底部按钮。首个合格帧为0.00秒：虽内部尚空白，面板表面、边界和标题栏已完整建立；视频从此开始，无更早采样帧。最后合格帧为8.75秒，面板仍完整可见；紧邻的9.00秒已切换为紫色文字页面，插件面板消失。选择2.50秒为关键帧，此时面板轮廓清晰，页签、图标预览、控件和底部按钮均清楚可辨。","start_frame":0,"end_frame":216,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[320.6,109.3,772.0,976.9],"positive_points":[[358.8,132.4],[460.6,176.9],[435.2,340.7],[648.1,597.2],[563.1,789.8],[715.3,941.7]],"negative_points":[[277.8,463.0],[810.2,490.7],[491.9,69.4],[115.7,787.0]],"evidence":"通过“SVG motion”标题及 Custom、Library、Activation pro account 标签识别中央白色浮动插件面板。边界框覆盖完整面板边界、标题栏、标签、动画预览区、设置控件和底部按钮。正点分布在这些区域，负点位于面板外的编辑器背景、顶部工具栏和左侧图层区；不包含普通鼠标指针。"}},{"name":"Icon animation preview","description":"The plugin’s large preview displays sixteen outline icons in a four-by-four arrangement, including a bookmark, home, video camera, clocks, speakers, edit symbol, play symbol, and shields. Their strokes progressively draw in, first in black and later with colored segments.","membership":"Include the preview surface labeled “Window with animation,” its layer identification, all animated icon strokes, and the replay control within it. Exclude the tabs above and customization rows below.","id":"obj_002","temporal":{"status":"found","start_s":0.25,"end_s":9.0,"reference_s":2.75,"evidence":"目标是插件内标有“Window with animation”的大型预览区域，包含图层标识、四行四列动态图标及重播控件，不含上方标签页和下方设置行。首个合格帧为0.25秒，预览布局已建立；0秒仅有空白插件窗口，尚未呈现该区域。图标笔画的后续绘制属于预览内部内容变化。最后合格帧为8.75秒，9秒已切换为说明文字画面。选择2.75秒作关键帧，因十六个黑色图标完整清晰，预览范围容易辨认。","start_frame":6,"end_frame":216,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[321,199,771.5,721.3],"positive_points":[[357.6,212.9],[711.8,213.1],[439.8,282.4],[650.5,518.5],[582.2,659.6],[538.2,574.1]],"negative_points":[[351.9,176],[469.3,743],[809.6,463],[491.9,838]],"evidence":"目标是插件内标有“Window with animation”的大型预览区，包含图层标识和四行四列的轮廓图标。边界覆盖标签下方的完整白色预览表面，止于动画类型设置行上方。正点分布在预览标签、图层标识、图标笔画及表面；负点位于上方标签栏、下方设置行和插件外部。"}},{"name":"Animation type selector","description":"The plugin control row labeled “Animation type,” with “Direct” selected beside “Loader,” “Loader shift,” and “Loader shift delay.”","membership":"Include the row label and all four radio controls with their labels. Exclude neighboring preview and speed controls, panel backing, cursor, and click indicators.","id":"obj_003","temporal":{"status":"found","start_s":0.25,"end_s":9.0,"reference_s":2.75,"evidence":"目标是插件内标有“Animation type”的一行，包括已选中的 Direct，以及 Loader、Loader shift、Loader shift delay 四个单选控件及标签。首个完整显示帧为0.25秒，最后合格帧为8.75秒，其间该行持续完整可见；前一帧0.00秒插件内容区为空，后一帧9.00秒已切换为说明页面，目标消失。选择2.75秒作为关���帧，该行文字和控件清晰，光标不遮挡目标。","start_frame":6,"end_frame":216,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[332.2,735.2,713.5,751.9],"positive_points":[[348.9,743.5],[449.1,737.0],[463.5,743.5],[518.5,743.5],[578.7,743.5],[693.3,743.5]],"negative_points":[[344.3,789.0],[507.0,789.0],[582.2,641.7],[736.1,705.6]],"evidence":"通过“Animation type”行标签及 Direct、Loader、Loader shift、Loader shift delay 四个单选项识别目标，Direct 显示为选中。边界框紧贴整行文字与单选控件；正点分布在标签字形和选中圆环上，负点位于下方速度控件、上方预览图标及行外空白，排除面板背景和相邻内容。"}},{"name":"Random line options","description":"The plugin row labeled “Random line,” whose “Size,” “Speed,” and “Shift” checkboxes are successively enabled during the demonstration.","membership":"Include the row label and the three checkboxes with their labels, retaining the same extent as their selection states change. Exclude the surrounding panel surface, adjacent sliders, and interaction indicators.","id":"obj_004","temporal":{"status":"found","start_s":0.25,"end_s":9.0,"reference_s":8.75,"evidence":"目标是插件底部标有“Random line”的一行，包含 Size、Speed、Shift 三个复选框及其标签；勾选状态变化不改变其身份和范围。首个完整显示帧为0.25秒，最后合格帧为8.75秒。前一帧0.00秒插件内部为空白，尚未出现该行；后一帧9.00秒已切换为说明页面，该行消失。选择8.75秒作为关键帧，整行清晰完整，三个选项均已勾选，便于区分相邻滑块。","start_frame":6,"end_frame":216,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[331.6,829.6,571.2,845.4],"positive_points":[[335.6,837.0],[372.1,838.0],[445.6,836.1],[491.3,835.2],[542.8,833.3],[561.9,838.0]],"negative_points":[[636.6,837.0],[599.5,788.9],[600.1,885.2],[547.5,851.9]],"evidence":"目标是插件下部的“Random line”选项行。边界框紧包行标题以及 Size、Speed、Shift 三个复选框和标签，不包含鼠标指针。正点分布在标题文字、复选框和 Shift 标签上；负点位于右侧面板空白、上下相邻滑杆及下方指针区域。"}},{"name":"Animation export formats text","description":"Large black text on the lavender slide reads “The animation can be exported in mp4, gif, svg formats.”","membership":"Include the complete two-line text block. Exclude the lavender background and the bright highlight behind “svg.”","id":"obj_005","temporal":{"status":"found","start_s":9.0,"end_s":9.25,"reference_s":9.0,"evidence":"9.00秒的淡紫色幻灯片上，完整显示黑色两行文字“The animation can be exported in mp4, gif, svg formats”，与目标一致；不包括背景及svg后的亮色高亮。首末 qualifying 帧均为9.00秒。前一帧8.75秒是SVG motion插件界面，后一帧9.25秒已切换为Figma animation图标展示，均无目标文字。选择9.00秒作为关键帧，因为文字完整清晰且无遮挡。","start_frame":216,"end_frame":222,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[194.4,273.1,785.3,379.6],"positive_points":[[203.7,294.4],[555.0,297.2],[781.3,297.2],[198.5,350.9],[405.7,346.3],[598.9,350.9]],"negative_points":[[470.0,322.0],[500.0,240.0],[815.0,342.0],[383.0,550.0]],"evidence":"目标是画面上方说明动画可导出为 mp4、gif、svg 的两行黑色文字。边界框紧贴完整文字块，包含字符及行间空隙，但不将荧光色高亮作为目标。六个正点分布在两行文字的实际笔画上；负点位于外围紫色背景、svg 后方高亮的露出部分及下方另一段文字上。"}},{"name":"SVG file size and developer handoff text","description":"The lower text block on the lavender slide reads “Btw the SVG animation is 8kb on average. Great to pass it to the developer.”","membership":"Include all three lines of the text block. Exclude the colored highlighting, pink circle, adjacent smile drawing, and slide background.","id":"obj_006","temporal":{"status":"found","start_s":9.0,"end_s":9.25,"reference_s":9.0,"evidence":"9.00秒的淡紫色幻灯片下方完整显示目标三行文字，从“Btw the SVG animation”到“to pass it to the developer.”，不含彩色高亮、粉色圆圈及笑脸。首末 qualifying 帧均为9.00秒；前一帧8.75秒是SVG motion插件界面，后一帧9.25秒已切换为Figma图标动画展示，均无该文字块。选择9.00秒作为关键帧，因为文字完整清晰且无遮挡。","start_frame":216,"end_frame":222,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[195,528.7,702,689.8],"positive_points":[[199.1,550.9],[358.2,540.7],[242.5,593.5],[547.5,604.6],[201.4,655.6],[504.1,665.7]],"negative_points":[[399.9,510.2],[681.7,632.4],[699.1,703.7],[763.9,592.6]],"evidence":"目标是幻灯片下方以“Btw the SVG animation”开头的三行黑色文字。边界框覆盖全部三行及末尾句点，不包含旁边的笑脸。六个正点分布在各行的字形笔画上；负点位于粉色圈线、黄色高亮、笑脸弧线和右侧背景上。"}},{"name":"Animated navigation rail","description":"A tall charcoal rounded navigation rail on the left of the final showcase. Its seven icons resolve into home, chart, checked shield, category grid, bell, clock, and bookmark symbols; a lime band marks the category item.","membership":"Include the rail’s rounded surface and boundary, its lime selection band, and all seven animated icons. Exclude the external shadow, adjacent Figma branding, and the larger icons to its right.","id":"obj_007","temporal":{"status":"found","start_s":11.75,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示左侧的深炭色圆角导航栏，包含青柠色选中带及七个图标，不含阴影和旁边的 Figma 标识。11.50 秒时部分图标仍有未绘完的轮廓；11.75 秒七个图标均完整呈现，是首个及最后一个符合条件的采样帧，也最适合作为空间标注关键帧。区间延伸至视频末尾 12.00 秒，之后没有采样帧。","start_frame":282,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[97.8,188,151,813],"positive_points":[[124.4,246.3],[109.9,360.2],[124.4,499.1],[124.4,584.3],[124.4,668.5],[123.3,753.7]],"negative_points":[[82.8,490.7],[195,226.9],[199.7,319.4],[320,409.3]],"evidence":"目标是左侧带七个导航图标的炭黑色圆角竖栏，类别网格处有亮青柠色选中带。边界框紧贴栏体，包含圆角表面、选中带及全部图标，不含外部阴影。正点分布在栏体、选中带和上下图标上；负点位于栏外阴影、右邻 Figma 标志与文字，以及右侧独立大图标处。"}},{"name":"Figma logo","description":"The multicolored Figma mark beside the upper portion of the navigation rail in the final showcase.","membership":"Include the colored geometric pieces forming the logo. Exclude the separate “Figma animation” text and surrounding background.","id":"obj_008","temporal":{"status":"found","start_s":9.25,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示场景中黑色导航栏右上侧、独立于“Figma animation”文字的多色几何 Figma 标志。9.25秒首次出现时各彩色组成部分已完整呈现，持续至最后采样帧11.75秒。前一帧9.00秒为紫色说明页，没有该标志；区间延伸至视频结尾，之后无采样帧。选择11.75秒作为关键帧，标志完整清晰、无遮挡，便于单独标注。","start_frame":222,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[178.8,188.0,211.3,267.6],"positive_points":[[185.8,201.9],[202.5,201.9],[186.3,226.9],[203.1,228.7],[186.3,254.6],[191.6,195.4]],"negative_points":[[189.2,306.5],[124.0,250.0],[225.7,227.8],[195.0,166.7]],"evidence":"目标位于左侧导航栏右上方、独立的“Figma animation”文字上方。边界框紧贴组成 Figma 标志的彩色几何块；正点分布在各彩色块上，负点位于下方文字、左侧导航栏及标志外围背景，均不包含在目标中。"}},{"name":"Figma animation label","description":"Small black two-line text reading “Figma animation” below the Figma logo in the final showcase.","membership":"Include both text lines only. Exclude the logo, navigation rail, and background.","id":"obj_009","temporal":{"status":"found","start_s":9.25,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示画面左上方 Figma 标志下的黑色两行文字“Figma animation”，仅包含文字。9.25 秒首次完整显示，至最后采样帧 11.75 秒始终清晰存在；前一帧 9.00 秒为导出格式说明页，没有该标签。区间延伸至视频结束，之后无采样帧。选择 11.75 秒作为关键帧，文字完整、无遮挡，且与标志和导航栏容易区分。","start_frame":222,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[178.8,297.2,236.7,338.9],"positive_points":[[180,305.6],[202.5,304.6],[211.8,308.3],[187.5,331.5],[198.5,331.5],[232.6,333.3]],"negative_points":[[187,202],[124.4,331.5],[250.6,321.3],[199.7,363.9]],"evidence":"目标是 Figma 彩色标志下方的黑色两行文字“Figma animation”。边界框仅覆盖两行文字，正点分布在两行的字形笔画上；负点位于上方标志、左侧导航栏及文字右侧和下方的外部背景。"}},{"name":"Download document icon","description":"The upper-left icon in the final showcase’s large icon arrangement: a rounded document with a folded corner and a downward arrow inside. Colored stroke fragments resolve into its black outline.","membership":"Include the document boundary and enclosed area, folded-corner detail, and downward arrow. During drawing, include the visible constituent strokes; exclude neighboring icons and background outside the shape.","id":"obj_010","temporal":{"status":"found","start_s":11.25,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示大图标阵列左上角的下载文档图标，包含折角文档轮廓和内部��下箭头。11.00秒时轮廓仍有未完成的绘制缺口，11.25秒首次完整呈现，持续至最后采样帧11.75秒；期间彩色描边变化不影响完整结构。选择11.75秒作为关键帧，轮廓和箭头清晰且无遮挡。区间到达视频结尾，没有后续帧。","start_frame":270,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[416.7,194.4,452.0,260.2],"positive_points":[[427.1,198.1],[438.7,206.5],[449.1,226.9],[433.4,235.2],[424.8,243.5],[436.9,256.5]],"negative_points":[[320.6,226.9],[547.5,226.9],[399.3,227.0],[434.0,291.0]],"evidence":"目标是大图标阵列第一行从左数第二个图标，具有折角文档轮廓和内部向下箭头。边界框紧贴文档全部可见笔画；正点覆盖边界、折角、箭头及允许包含的内部区域，负点位于左右相邻文档图标和目标外部背景。"}},{"name":"Upload document icon","description":"The second icon in the top row of the final showcase: a folded-corner document containing an upward arrow.","membership":"Include the document outline and enclosed area, corner fold, and arrow, including its animated colored stroke portions. Exclude surrounding whitespace and adjacent icons.","id":"obj_011","temporal":{"status":"found","start_s":11.25,"end_s":12.0,"reference_s":11.75,"evidence":"目标位于最终展示区顶行第二列，是带折角和内部向上箭头的文档图标，包含动画彩色笔画。11.25秒首次呈现完整结构，11.0秒时轮廓及内部笔画仍在绘制；最后符合条件的帧为11.75秒，之后视频结束，无边界外采样帧。选择11.75秒作为关键帧，因为文档轮廓、折角和箭头清晰完整，且无遮挡。","start_frame":270,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[530.1,194.4,565.4,260.2],"positive_points":[[537,198.1],[532.4,231.5],[545.7,256.5],[557.9,213],[546.9,227.8],[556.7,241.7]],"negative_points":[[433.4,228.7],[659.7,222.2],[520.8,225.9],[548,170.4]],"evidence":"根据折角文档内的向上箭头，定位到顶排中部的上传文档图标。边界框紧贴文档外轮廓，包含折角、箭头及彩色描边。正点分布在轮廓、折角、箭头和文档内部；负点位于左侧下载图标、右侧纸飞机及目标外部空白。"}},{"name":"Paper airplane icon","description":"The third icon in the final showcase’s top row, a diagonal paper airplane with an internal fold line.","membership":"Include the airplane’s true outer shape and enclosed area together with its internal fold strokes. Preserve its concave outline and exclude surrounding whitespace.","id":"obj_012","temporal":{"status":"found","start_s":11.0,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终图标展示页顶排中斜向的纸飞机，具有凹形外轮廓和内部折线。11.00秒首次可见完整结构，此前10.75秒轮廓仍在渐进绘制；之后的彩色高光变化不影响其完整性。最后一个符合帧为11.75秒，区间延续至视频结束12.00秒，之后没有采样帧。选择11.75秒作为关键帧，因为轮廓和内部折线清楚且无遮挡。","start_frame":264,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[641.2,195.4,681.1,259.3],"positive_points":[[647.0,215.7],[659.7,213.0],[674.2,205.6],[660.9,232.4],[667.8,247.2],[667.8,224.1]],"negative_points":[[631.0,229.0],[688.0,229.0],[661.0,179.0],[661.0,277.0]],"evidence":"目标是图像上排偏右、带内部折线的斜向纸飞机。边界框紧贴飞机的可见外轮廓；正点分布于机翼、尖端、折线及轮廓包围的内部区域，负点位于飞机四周的外部空白，不落入其内部。"}},{"name":"Keyed rounded rectangle icon","description":"The fourth icon in the final showcase’s top row: a horizontal rounded rectangular outline containing a small circle connected to a short horizontal line.","membership":"Include the rounded outline, enclosed area, and circle-and-line detail, including the corresponding animated fragments. Exclude adjacent icons and background outside its boundary.","id":"obj_013","temporal":{"status":"found","start_s":11.25,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示顶部一排中含小圆圈及短横线的横向圆角矩形图标，以钥匙状内部细节区别于相邻图标。11.25秒首次完整呈现，11.0秒轮廓及内部细节仍有未绘完的缺口；此后仅彩色高光变化，最后合格帧为11.75秒。选择11.75秒作关键帧，轮廓和内部细节清楚且无遮挡。区间延续至视频末尾12.0秒，之后没有采样帧。","start_frame":270,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[754.1,194.4,795.7,260.2],"positive_points":[[761.6,212.0],[790.5,215.7],[761.0,245.4],[784.1,250.0],[768.5,226.9],[781.3,228.7]],"negative_points":[[663.2,225.9],[888.3,226.9],[774.3,163.9],[774.3,296.3]],"evidence":"根据圆角矩形内的小圆与短横线识别出顶部靠右的钥匙图标。边界框紧贴完整外轮廓，包含底部彩色动画片段；正���分布于内部区域及钥匙细节，负点位于上下外部背景和左右相邻图标。"}},{"name":"Opposing vertical arrows icon","description":"The rightmost icon in the final showcase’s top row, consisting of an upward arrow on the left and a downward arrow on the right.","membership":"Include the two arrow strokes and their arrowheads as one paired symbol. Keep the open spaces between and around the arrows outside the subject; exclude other icons.","id":"obj_014","temporal":{"status":"found","start_s":11.25,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示页顶排最右侧的成对箭头，左箭头向上、右箭头向下。11.25秒首次可见两条箭杆及箭头完整呈现，11.0秒仍有笔画未完全绘出；最后合格帧为11.75秒，持续至视频结束，之后无采样帧。选择11.75秒作为关键帧，因为符号完整清晰且无遮挡。","start_frame":270,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[868.6,198.1,908,257.4],"positive_points":[[872.7,209.3],[882.5,208.3],[878.5,233.3],[898.1,221.3],[892.9,246.3],[903.4,247.2]],"negative_points":[[888.3,175.9],[921.3,227.8],[888.3,277.8],[774.9,226.9]],"evidence":"目标是展示区顶行最右侧的成对竖直箭头，左箭头向上、右箭头向下。边界框紧贴两支箭头的可见笔画及箭头尖端；六个正点分布在两侧箭头的杆部和箭头笔画上，负点位于符号外围背景及左侧独立的钥匙图标上，未标记箭头之间的空隙。"}},{"name":"Settings gear icon","description":"The leftmost icon in the second row of the final showcase: a scalloped gear-like outline with a small central circular detail.","membership":"Include the scalloped boundary, the area it encloses, and the central detail. Follow the actual lobed outline rather than filling its external recesses.","id":"obj_015","temporal":{"status":"found","start_s":11.25,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示区第二行最左侧的齿轮图标，具有波瓣状外轮廓和中央小圆形细节。11.00秒时外轮廓仍有未绘合的缺口，11.25秒首次完整建立；此后仅内部彩色高亮变化，至最后采样帧11.75秒仍完整可见。区间延伸至视频结束，无后续帧。选择11.75秒作为关键帧，轮廓清楚且无遮挡。","start_frame":270,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[300.3,376.9,340.9,441.7],"positive_points":[[320.6,380.6],[304.4,403.7],[335.6,408.3],[318.3,431.5],[316,400],[320.6,412]],"negative_points":[[286.5,409.3],[354.2,409.3],[320.6,356.5],[320.6,464.8]],"evidence":"目标位于展示区第二行最左侧，以波瓣状齿轮轮廓及中央细节识别。边界框紧贴完整波瓣外缘；正点分布在轮廓、所包围区域和中央细节上，负点位于图标上下左右的外部背景，避开内部空白及轮廓凹口。"}},{"name":"Shopping cart icon","description":"The second icon in the final showcase’s second row: an open shopping-cart outline with a raised handle and two small wheels.","membership":"Include the cart’s handle, basket outline and enclosed area where closed, and both wheels. Exclude open exterior gaps, surrounding whitespace, and neighboring symbols.","id":"obj_016","temporal":{"status":"found","start_s":11.5,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示区第二行第二个购物车图标，具有抬高的把手、车篮轮廓和两个小轮。11.50秒首次完整呈现，11.75秒仍完整可见；前一帧11.25秒的车篮线条仍有未完成的绘制缺口。选择11.75秒作为关键帧，轮廓清晰且无遮挡。区间延伸至视频结束，之后没有采样帧。","start_frame":276,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[414.9,378.7,454.9,442.6],"positive_points":[[416.7,381.5],[435.2,393.5],[451.4,406.5],[432.3,411.1],[424.8,437.0],[447.9,437.0]],"negative_points":[[403.9,412.0],[465.9,409.3],[434.0,456.5],[434.0,365.7]],"evidence":"目标是展示区第二行第二个购物车图标，可见抬高的把手、车篮和两个小轮。边界框紧贴完整图标；正点覆盖把手、篮框、封闭篮内区域及双轮，负点位于图标四周的外部空白，避开内部空隙和邻近符号。"}},{"name":"Circular information icon","description":"The third icon in the second row of the final showcase, a circular outline with an information mark inside.","membership":"Include the circular boundary and its enclosed area, including the information strokes. Include the corresponding visible fragments while drawing; exclude exterior background.","id":"obj_017","temporal":{"status":"found","start_s":11.25,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示区第二行第三列的圆形信息图标，包含圆环及内部信息标记。11.00秒仍有未完成的轮廓绘制；11.25秒首次完整呈现，随后仅描边色彩变化，持续至最后采样帧11.75秒。区间结束于视频末尾，无后续帧。选择11.75秒作为关键帧，因为���环和内部信息笔画清晰、无遮挡。","start_frame":270,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[527.2,375.9,568.3,442.6],"positive_points":[[547.5,379.6],[529.5,407.4],[565.4,406.5],[546.9,438.4],[547.5,403.7],[555.6,421.3]],"negative_points":[[516.2,406.5],[580.4,409.3],[547.5,356.5],[547.5,462.0]],"evidence":"目标是展示区第二行第三个图标，呈圆形边框，内部有信息标记。边界框紧贴整个圆形；正点分布在圆周、内部信息笔画及按要求包含的圆内区域，负点位于圆形上下左右的外部背景。"}},{"name":"Square information icon","description":"The fourth icon in the final showcase’s second row: an upright rounded-square frame with a vertical information mark inside.","membership":"Include the rounded-square boundary, enclosed area, and internal information mark. Exclude the neighboring circular information and warning symbols.","id":"obj_018","temporal":{"status":"found","start_s":11.0,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示区第二行第四个图标，位于圆形信息图标与三角警告图标之间，包含圆角方框及内部竖直信息标记。11.00秒首次完整呈现，10.75秒的轮廓仍在绘制；此后仅内部色彩高亮变化，持续至最后采样帧11.75秒。区间到达视频末尾，无后续帧。选择11.75秒作为关键帧，因其轮廓与信息标记清晰且无遮挡。","start_frame":264,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[640.6,375.9,682.3,442.6],"positive_points":[[642.9,393.5],[659.7,379.6],[678.8,407.4],[665.5,438.0],[654.0,396.3],[661.5,416.7]],"negative_points":[[547.5,409.3],[775.5,409.3],[619.2,409.3],[662.0,351.9]],"evidence":"目标是展示区第二行第四个圆角方形信息图标。边界框紧贴方形外轮廓，包含边框、内部区域及竖直信息标记；正点分布在这些部分，负点位于左侧圆形信息图标、右侧警告图标及目标外的空白背景。"}},{"name":"Warning triangle icon","description":"The fifth icon in the second row of the final showcase: a rounded triangular outline containing an exclamation mark.","membership":"Include the triangle’s boundary and enclosed area with its exclamation mark. Exclude surrounding background and adjacent icons.","id":"obj_019","temporal":{"status":"found","start_s":10.75,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示区第二行第五个图标，为内含感叹号的圆角三角形。10.75秒首次呈现完整边界和感叹号，此前10.50秒轮廓仍有缺口、尚在绘制。最后合格帧为11.75秒，图标持续完整，仅线条颜色变化；区间延至视频结尾，无后续采样帧。选择11.75秒作为关键帧，因轮廓清晰且无遮挡。","start_frame":258,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[754.6,379.6,795.7,439.8],"positive_points":[[774.9,383.3],[760.4,418.5],[788.8,418.5],[774.3,436.1],[774.9,408.3],[769.7,421.3]],"negative_points":[[774.9,357.4],[803.8,409.3],[661.5,409.3],[888.3,409.3]],"evidence":"目标为展示区第二行第五个图标，即内含感叹号的圆角三角形。边界框紧贴三角形的完整可见轮廓；正点分布于三角形边界、内部及感叹号上，负点位于上方和右侧外部背景以及左右相邻图标上。"}},{"name":"Download tray icon","description":"The rightmost icon in the second row of the final showcase: a downward arrow entering a rounded U-shaped tray.","membership":"Include the arrow and the open tray strokes. Preserve the tray’s open top rather than treating the symbol as a closed rectangular panel; exclude surrounding whitespace.","id":"obj_020","temporal":{"status":"found","start_s":11.25,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示区最右列的下载符号，由向下箭头和顶部敞开的圆角 U 形托盘组成。11.25 秒首次可见完整结构，11.0 秒仍有未完成的描绘部分；此后仅彩色高亮变化，持续至最后采样帧 11.75 秒。选择 11.75 秒作为关键帧，轮廓清楚且无遮挡。区间到达视频结尾，没有后续帧。","start_frame":270,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[867.5,562,909.7,621.3],"positive_points":[[888.3,568.5],[884.8,597.2],[892.4,596.3],[869.8,595.4],[885.4,618.1],[907.4,592.6]],"negative_points":[[852,594],[925,594],[889,540],[889,644]],"evidence":"目标是画面右侧、锁图标上方的下载托盘图标，由向下箭头和顶部开放的圆角U形托盘组成。框紧贴箭头及托盘的可见笔画；六个正点分布在箭杆、箭头两翼及托盘左右和底部，四个负点位于图标外侧背景，不标记内部留白。"}},{"name":"Single user icon","description":"The leftmost icon in the third row of the final showcase, with a circular head above a broad rounded shoulder outline.","membership":"Include the head ring and enclosed area and the shoulder outline with its enclosed area where closed. Exclude the gap between these components and neighboring icons.","id":"obj_021","temporal":{"status":"found","start_s":11.5,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示区第三行最左侧的单人图标，由圆形头环和宽圆肩部轮廓组成。11.25秒时肩部轮廓仍未完全绘出，11.5秒首次完整呈现，最后一个合格帧为11.75秒。目标持续到视频结束，之后没有采样帧。选择11.75秒作为关键帧，因为轮廓完整清晰，且无遮挡。","start_frame":276,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[300.35,558.33,332.75,623.15],"positive_points":[[315.97,562.04],[324.65,575.93],[315.39,580.56],[304.98,609.72],[316.55,611.11],[328.13,613.89]],"negative_points":[[289,581],[347,607],[429,575],[317,650]],"evidence":"目标位于展示区第三行最左侧。框覆盖圆形头部及下方宽圆肩部，不纳入右侧加号。正点分布在头部圆环、其内部及肩部闭合区域；负点位于外围背景和右侧相邻用户图标上。"}},{"name":"Two users icon","description":"The second icon in the final showcase’s third row: one main head-and-shoulders figure with a smaller companion figure offset to the right.","membership":"Include both figures’ constituent outlines and the areas enclosed by their closed shapes. Exclude exterior gaps and adjacent user-group symbols.","id":"obj_022","temporal":{"status":"found","start_s":11.5,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最后展示页第三行第二个图标，由主要头像及肩部轮廓和右侧较小的同伴组成，区别于右邻的多人图标。11.25秒仍有轮廓未绘制完整；11.5秒两个人物的指定轮廓首次完整呈现，持续至最后采样帧11.75秒。区间达到视频末尾，没有之后的帧。选择11.75秒作关键帧，形状清晰且无遮挡。","start_frame":276,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[413.8,559.3,455,623.1],"positive_points":[[429.4,576.9],[426.5,563.5],[429.4,611.1],[416.7,608.3],[449.1,576.9],[451.4,601.9]],"negative_points":[[316,579],[548,579],[402,584],[468,609]],"evidence":"目标是展示区第三行第二个双人图标，由主人物及其右侧较小的同伴组成。边界框覆盖两个人物的全部可见轮廓；正点分布在主人物头部、肩部的轮廓及封闭内部，以及同伴的轮廓上。负点位于左右相邻的人物图标和目标外部背景，避开内部空隙。"}},{"name":"Three users icon","description":"The third icon in the final showcase’s third row: a central head-and-shoulders figure flanked by two smaller people.","membership":"Include all three figures’ strokes and the areas within their closed components. Exclude the background between separate components and neighboring icons.","id":"obj_023","temporal":{"status":"found","start_s":11.5,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示区第三行第三列的三人图标，由中央头像及肩部轮廓和左右两个较小人物组成。11.50秒首次显示完整结构，最后合格帧为11.75秒；此前11.25秒仍有轮廓尚未绘制完整。11.75秒三个人物轮廓清晰、无遮挡，适合作为空间标注关键帧。区间延续至视频结束，之后没有采样帧。","start_frame":276,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[525.5,563,570,619.4],"positive_points":[[547.5,577.8],[547.5,607.4],[530.1,575.9],[565.4,576.9],[527.2,602.8],[568.3,601.9]],"negative_points":[[429,578],[661,591],[547,534],[511,629]],"evidence":"目标是展示区第三行第三个三人图标，中央人物两侧各有一个较小人物。边界框紧贴三个人物的全部可见笔画；正点分布于中央人物的封闭头部和肩部区域及两侧人物笔画，负点位于相邻图标和目标外部背景，不标注组件之间的空隙。"}},{"name":"Rightward exit icon","description":"The fourth icon in the final showcase’s third row: a rounded doorway or square outline with a right-pointing arrow extending through its right side.","membership":"Include the open frame and arrow strokes, retaining the opening through which the arrow passes. Exclude exterior whitespace and the neighboring entry symbol.","id":"obj_024","temporal":{"status":"found","start_s":11.0,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示第三行中箭头穿过右侧开口、向右伸出的退出图标，与左邻的进入图标区分。10.75秒时框线和箭头仍有未完成的绘制段；11.00秒首次完整呈现，此后的彩色高亮变化不影响结构完整性。最后合格帧为11.75秒，区间延续至视频结束12.00秒，无后续采样帧。选择11.75秒作为关键帧，轮廓和箭头清晰且无遮挡。","start_frame":264,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[754.6,558.3,796.9,624.1],"positive_points":[[756.4,588.0],[767.9,561.1],[767.4,621.3],[780.7,610.2],[778.9,590.7],[791.1,585.2]],"negative_points":[[667.2,590.7],[740.7,590.7],[810.2,590.7],[769.7,645.4]],"evidence":"按向右箭头穿出框体右侧的特征，定位到第三行右侧的退出图标，而非其左邻的进入图标。边界框紧贴开放框体及箭头的全部可见笔画；六个正点分布在框体与箭头上，四个负点位于左邻进入图标及目标外围背景，未标记框内空白或开口。"}},{"name":"Rightward entry icon","description":"The fifth icon in the final showcase’s third row: a rounded square outline with a right-pointing arrow entering from the left.","membership":"Include the frame and entering arrow strokes. Preserve the open left side and exclude surrounding whitespace and neighboring symbols.","id":"obj_025","temporal":{"status":"found","start_s":11.25,"end_s":12.0,"reference_s":11.75,"evidence":"目标位于最终展示的第三行第五列，由圆角方框和向右箭头组成。11.00秒时方框上部仍在渐进绘制，11.25秒首次完整呈现；此后仅彩色高亮变化，至最后采样帧11.75秒仍完整可见。区间延伸至视频结尾，没有后续帧。选择11.75秒作为关键帧，因轮廓清晰且无遮挡。","start_frame":270,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[644.1,558.3,681.1,624.1],"positive_points":[[666.7,561.1],[679.4,589.8],[666.7,621.3],[654.0,569.4],[649.3,590.7],[666.1,585.2]],"negative_points":[[630.8,590.7],[695.6,590.7],[662.0,534.3],[662.0,648.1]],"evidence":"根据左侧开口的圆角框和从左向右进入框内的箭头，定位到第三排的进入图标。边界框紧贴框线及箭头全部笔画；六个正点分布在框线和箭头上，四个负点位于图标外围的空白处，不涉及框内空隙或邻近符号。"}},{"name":"Download square icon","description":"The rightmost icon in the final showcase’s third row, a rounded square containing a downward arrow.","membership":"Include the rounded-square boundary and enclosed area, including the arrow and all animated stroke segments belonging to it. Exclude adjacent icons.","id":"obj_026","temporal":{"status":"found","start_s":11.5,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示区第三行最右侧的下载图标，由圆角方框和向下箭头组成。11.50秒首次可见完整结构，11.75秒仍完整显示；此前11.25秒的部分描边尚在补全。区间延续至视频结束，没有后续采样帧。选择11.75秒作为关键帧，轮廓清晰，且与相邻图标分离、无遮挡。","start_frame":276,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[868.1,562.0,909.7,621.3],"positive_points":[[870.4,592.6],[907.4,596.3],[888.9,617.6],[888.9,573.1],[888.3,598.1],[898.7,604.6]],"negative_points":[[932.3,592.6],[888.9,527.8],[777.8,592.6],[888.9,777.8]],"evidence":"目标是展示区第三行最右侧的下载图标。边界框紧贴向下箭头及下方圆角方框的全部可见笔画；正点覆盖箭头、方框边界和所包含的内部区域，负点位于外部背景及相邻的退出、锁形图标上。"}},{"name":"Image icon","description":"The leftmost icon in the bottom row of the final showcase: a rounded-square picture frame containing a small circular sun and a wavy mountain line.","membership":"Include the frame boundary and enclosed area, sun, and landscape strokes. Exclude surrounding background and the telephone icons to its right.","id":"obj_027","temporal":{"status":"found","start_s":11.5,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示区底行最左侧的图片图标，包含圆角方框、圆形太阳和波浪山线，右侧为电话图标。11.5秒首次完整呈现，11.75秒仍完整可见；此前11.25秒的边框及内部线条仍在绘制。选择11.75秒作为关键帧，结构清楚且无遮挡。区间延续至视频结束，之后没有采样帧。","start_frame":276,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[300.3,739.8,341.4,805.6],"positive_points":[[310.8,745.4],[338.0,759.3],[313.1,762.0],[320.6,780.6],[309.6,794.4],[329.3,800.0]],"negative_points":[[285.9,772.2],[320.6,721.3],[320.6,826.9],[432.9,787.0]],"evidence":"目标是展示区底行最左侧的图片图标，含圆角方框、小圆形太阳和波浪山线。边界框紧贴完整图标；正点分布在边框、太阳、山线及框内区域，负点位于框外背景和右侧电话图标上。"}},{"name":"Telephone handset icon","description":"The second icon in the final showcase’s bottom row: a single diagonally tilted telephone receiver without an additional status mark.","membership":"Include the receiver’s actual outline and enclosed area, following its curved concave profile. Exclude the space outside that profile and adjacent telephone variants.","id":"obj_028","temporal":{"status":"found","start_s":11.5,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示区底行第二个、不带状态标记的斜置电话听筒，区别于右侧带标记的电话变体。11.25秒轮廓仍在逐步绘制，11.5秒首次完整呈现，最后一个合格采样帧为11.75秒。目标持续到视频结束，边界后没有采样帧。选择11.75秒作为关键帧，因为听筒轮廓完整清晰且无遮挡。","start_frame":276,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[413.2,738.9,455.4,806.5],"positive_points":[[421.3,746.3],[417.8,758.3],[424.8,776.9],[433.4,788.9],[443.9,797.2],[449.7,790.7]],"negative_points":[[399.3,763.9],[468.8,777.8],[432.9,713.0],[539.4,778.7]],"evidence":"目标是展示区底行第二个图标，即没有附加状态标记的倾斜电话听筒。边界框紧贴听筒完整可见范围；六个正点沿两端及弯曲连接段的轮廓和包围区域分布，负点位于外部背景及右侧相邻电话变体上。"}},{"name":"Calling handset icon","description":"The third icon in the final showcase’s bottom row: a diagonal telephone receiver with short radiating call-signal marks above its upper-right side.","membership":"Include the receiver’s true outline and enclosed area plus its separate signal strokes. Exclude the gaps between those components and neighboring icons.","id":"obj_029","temporal":{"status":"found","start_s":11.5,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示底行第三个斜置电话听筒，右上方带独立的呼叫信号短弧。11.25秒时听筒轮廓仍有未绘完的缺口；11.5秒首次完整呈现，至最后采样帧11.75秒持续完整可见，颜色变化不影响其结构。选择11.75秒作为关键帧，轮廓及信号线清晰且无遮挡。区间延伸至视频末尾12秒，之后没有采样帧。","start_frame":276,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[526.6,738.9,569.4,806.5],"positive_points":[[534.1,752.8],[539.4,775.0],[550.3,791.7],[561.9,794.4],[560.8,748.1],[557.3,759.3]],"negative_points":[[578.7,756.5],[544.0,830.6],[434.0,777.8],[662.0,777.8]],"evidence":"目标是展示区底行第三个图标，斜置听筒右上方带两条呼叫信号线。边界框紧贴听筒及独立信号线的完整可见范围；四个正点分布于听筒轮廓和所围区域，另两个位于信号笔画上。负点位于外部背景及左右相邻电话图标上，不标记组件间空隙。"}},{"name":"Failed call handset icon","description":"The fourth icon in the final showcase’s bottom row: a diagonal telephone receiver accompanied by a small X near its upper-right side.","membership":"Include the receiver’s outline and enclosed area and the separate X strokes. Exclude exterior whitespace and the neighboring crossed-out receiver.","id":"obj_030","temporal":{"status":"found","start_s":11.5,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示底行第四个斜向电话听筒及其右上方的小 X，不包括右邻带斜杠的听筒。11.25 秒时轮廓及 X 仍有未完成的断口；11.5 秒首次完整呈现，至最后采样帧 11.75 秒持续存在。区间到达视频末尾，没有后续帧。选择 11.75 秒作为关键帧，听筒与 X 清楚完整且无遮挡。","start_frame":276,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[640.5,739.6,682.5,806.5],"positive_points":[[647.6,750.0],[650.5,768.5],[658.6,788.0],[674.2,791.7],[670.1,745.4],[677.1,758.3]],"negative_points":[[774.9,775.9],[542.2,782.4],[693.3,772.2],[656.8,830.6]],"evidence":"目标为底排第四个图标：斜向电话听筒及其右上方独立的小叉号。边界框紧贴听筒和叉号的整体可见范围；正点分布在听筒轮廓、围合内部及叉号笔画上，负点位于外部空白和左右相邻的电话图标上，排除了右侧划线听筒。"}},{"name":"Crossed-out telephone icon","description":"The fifth icon in the final showcase’s bottom row: a telephone receiver crossed by a long diagonal slash.","membership":"Include the receiver and its enclosed portions together with the full slash. Follow the actual symbol’s contours rather than its bounding rectangle; exclude neighboring icons.","id":"obj_031","temporal":{"status":"found","start_s":11.5,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示区底行第五个图标，由电话听筒及贯穿它的长对角斜杠组成。11.25秒时听筒轮廓仍有未绘完的缺口，11.5秒首次完整呈现，至最后采样帧11.75秒持续完整可见；后续颜色变化不影响结构。区间到达视频末尾，没有边界外的下一帧。选择11.75秒作为关键帧，符号完整清晰且无遮挡。","start_frame":276,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[754.6,739.8,795.7,805.6],"positive_points":[[761.6,752.8],[762.2,768.5],[776.0,790.7],[788.2,792.6],[758.1,799.1],[790.5,747.2]],"negative_points":[[741.9,775.9],[808.4,772.2],[767.9,721.3],[777.2,828.7]],"evidence":"目标是展示区底行第五个图标，由电话听筒和从左下至右上的长斜杠组成。边界框紧贴听筒与完整斜杠的可见范围；六个正点分布在听筒轮廓、其包围部分及斜杠上，四个负点位于图标四周的外部背景，避开内部空隙和相邻图标。"}},{"name":"Unlocked padlock icon","description":"The rightmost icon in the final showcase’s bottom row: a rounded lock body with a short central keyhole mark and an open shackle above.","membership":"Include the lock body boundary and enclosed area, keyhole stroke, and open shackle. Preserve the shackle opening and exclude exterior whitespace.","id":"obj_032","temporal":{"status":"found","start_s":11.25,"end_s":12.0,"reference_s":11.75,"evidence":"目标是最终展示区底行最右侧的开锁图标，包含圆角锁身、中央钥匙孔短线和上方开口锁梁。11.25秒首次完整呈现，11.0秒锁身轮廓仍有未绘完的缺口；此后至最后采样帧11.75秒均保持完整，彩色线段变化不影响结构。选择11.75秒作为关键帧，轮廓清楚且无遮挡。区间到达视频末尾，没有后续帧。","start_frame":270,"end_frame":288,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[871,739,906,806],"positive_points":[[881.9,745.4],[896.4,752.8],[874.4,775],[901,787],[888.3,782.4],[885.4,800.9]],"negative_points":[[859.4,777.8],[918.4,777.8],[888.3,719.4],[888.3,829.6]],"evidence":"目标位于展示区最底行最右侧，可由圆角锁体、中央短钥匙孔和上方锁梁识别。边界框紧贴完整锁图标；正点覆盖锁梁、锁体边界及内部，负点位于图标四周的外部背景，不标记锁梁内的空隙。"}}]}
+{"video_id":304,"video_type":"icons and abstract motion graphics","targets":[{"name":"Traveling circular marker","description":"The focal moving disk, initially dark near the upper middle at the end of a curved trace. It moves among larger circles, changes size and polarity, and ultimately appears as an isolated white disk against a dark field.","membership":"Include the disk’s circular boundary and filled interior. Exclude its trailing line, surrounding glow, motion afterimages, and other circles.","id":"obj_001","temporal":{"status":"found","start_s":0.25,"end_s":8.0,"reference_s":6.0,"evidence":"依据曲线末端的焦点圆盘及其随后移动、缩放和黑白极性变化识别目标，不包含拖线、光晕、残影或周围圆形。首个合格帧为0.25秒；前一帧0.00秒仅见淡入残影，圆盘尚未完整建立。末个合格帧为7.75秒，目标仍为深色背景上的独立白色圆盘；区间到达视频末尾，没有后续帧。选择6.00秒作为关键帧，圆盘边界清晰、无遮挡且易与其他对象区分。","start_frame":6,"end_frame":192,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[447,359,521,490],"positive_points":[[470,384],[499,391],[461,427],[503,434],[476,467],[486,420]],"negative_points":[[408,424],[558,424],[482,292],[483,557]],"evidence":"目标是暗色背景上唯一的白色实心圆盘，位于画面中部偏上。边界框紧贴圆盘可见边缘，不包括外围光晕；六个正点分散在圆盘内部，四个负点位于圆盘上下左右、远离边缘的暗色背景。"}},{"name":"Thin motion trace","description":"The fine line following the traveling marker, initially a long sweeping curve and subsequently a shorter, detached diagonal stroke.","membership":"Include only the visible line along its changing path. Keep the curve open; exclude the space between its bends, the circular marker, and blurred afterimages.","id":"obj_002","temporal":{"status":"found","start_s":0.25,"end_s":5.5,"reference_s":0.5,"evidence":"目标是跟随圆形标记的细线，起初呈开放的长曲线，随后连续变为分离的短斜线；不包括圆点及模糊残影。首个合格帧为0.25秒，末个为5.25秒。此前0秒仅见淡淡的圆形残影，之后5.5秒细线已消失。选择0.5秒作为关键帧，此时曲线路径最清楚，便于与圆形标记及残影区分。","start_frame":6,"end_frame":132,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[142,333,625,823],"positive_points":[[491,367],[476,428],[497,507],[550,586],[605,655],[163,782]],"negative_points":[[529,300],[750,650],[250,300],[350,940]],"evidence":"目标是连接黑色圆点附近、向下弯曲并向左回扫的细线。框覆盖可辨认的细线范围，不把下方模糊拖影延伸算入；正点分布在右侧弯曲线段及左下清晰线段，负点位于圆形标记和远离曲线的外部背景。"}},{"name":"Large pale upper circle","description":"The broad white circle above the initial cluster of smaller dark disks, with a small dark disk beside its right edge.","membership":"Include the circular boundary and enclosed white area. Exclude any glow beyond the boundary and the independently moving dark disk beside it.","id":"obj_003","temporal":{"status":"found","start_s":1.0,"end_s":1.75,"reference_s":1.0,"evidence":"目标是初始深色小圆簇上方的宽大白圆，右缘旁有独立深色小圆。首个完整呈现帧为1.00秒；1.50秒虽缩放、移动，圆形结构仍完整，是最后合格帧。此前0.75秒白圆尚处于淡入显现阶段；此后1.75秒对应白圆已明显变淡，开始退出。选择1.00秒作关键帧，圆形边界清楚，与右侧独立��圆易于区分。","start_frame":24,"end_frame":42,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[405,190,605,543],"positive_points":[[466,245],[549,251],[428,359],[512,366],[464,485],[557,461]],"negative_points":[[627,376],[435,686],[669,495],[223,408]],"evidence":"目标是图像上方的大白色圆，右侧紧邻一枚小黑圆。边界框紧贴大圆的可见圆周，包含白色内部，不含外围光晕及右侧黑圆。六个正点分散在圆内各部位；负点位于右侧小黑圆、下方黑圆、右下外部背景和左侧小白圆。"}},{"name":"Small pale left circle","description":"The smaller white circle positioned well to the left of the large pale upper circle in the first multi-circle arrangement.","membership":"Include its circular boundary and filled interior. Exclude nearby fine horizontal strokes, glow, and other circles.","id":"obj_004","temporal":{"status":"found","start_s":1.0,"end_s":2.5,"reference_s":1.25,"evidence":"目标是首个多圆布局中，大号浅色上方圆左侧的小白圆，不含旁边细横线及光晕。首个完整呈现帧为1.00秒，随后随布局移动，最后符合条件的帧为2.25秒；0.75秒处仍是未完成显现的模糊拉长形态，2.50秒处已消失。选择1.25秒作为关键帧，此时圆形边界清楚，与其他圆分离。","start_frame":24,"end_frame":60,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[215.8,375,260.7,454.9],"positive_points":[[233.4,388.9],[223.6,409.7],[245.1,399.3],[251,420.1],[238.3,439.2],[227.5,430.6]],"negative_points":[[193.4,414.9],[275.4,487.8],[498,361.1],[156.3,658]],"evidence":"目标是大浅色圆左侧的小白色实心圆。边界框紧贴其圆形边界，包含填充内部，不含外围光晕。六个正点分布在圆内不同部位；负点位于左侧背景、右下方细横线、大浅色圆及下方小黑圆上。"}},{"name":"Small dark left circle","description":"The small dark disk at the far left of the first multi-circle arrangement, below the small pale circle.","membership":"Include the disk’s boundary and interior. Exclude offset translucent motion echoes and nearby line segments.","id":"obj_005","temporal":{"status":"found","start_s":1.0,"end_s":2.0,"reference_s":1.25,"evidence":"目标是首组多圆排列中最左侧、位于小浅色圆下方的小深色圆盘，不包含偏移的半透明运动残影。首个完整呈现帧为1.00秒，随后移动，最后符合条件的帧为1.75秒；0.75秒尚未完整显现，2.00秒对应圆盘已变浅并进入退场。选择1.25秒作为关键帧，此时圆盘边界清楚，与其他圆及线段分离。","start_frame":24,"end_frame":48,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[147.5,644.1,164.1,673.6],"positive_points":[[155.4,658.3],[152.3,652.8],[159.2,653.6],[160.1,662.2],[155.6,667.1],[151.1,661.4]],"negative_points":[[179.7,658.0],[238.3,415.0],[380.5,601.0],[234.4,812.5]],"evidence":"目标是小浅色圆下方、整组圆形最左侧的小深色实心圆。边界框紧贴深色圆盘，排除偏移的半透明残影。六个正点分布于圆盘内部不同位置；负点位于右侧背景、小浅色圆、另一深色圆及附近斜线处。"}},{"name":"Dark circle beside the large pale circle","description":"The small dark disk immediately beside the right edge of the large white upper circle in the first multi-circle arrangement.","membership":"Include its own circular boundary and filled interior. Exclude its faint outer motion echo, adjacent horizontal line, and the larger pale circle.","id":"obj_006","temporal":{"status":"found","start_s":1.0,"end_s":2.5,"reference_s":1.0,"evidence":"目标是首个多圆布局中紧贴上方大白圆右缘的小黑色圆盘，不含外围运动残影和右侧细线。首个完整呈现帧为1.00秒；随后圆盘移动，至2.25秒仍完整可见于画面右上方。前邻帧0.75秒尚处于淡入过渡，后邻帧2.50秒该圆盘已消失。选择1.00秒作关键帧，因为圆盘边界清晰，与大白圆的相邻关系最明确。","start_frame":24,"end_frame":60,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[617,356,639,398],"positive_points":[[627,365],[622,374],[632,373],[624,386],[630,385],[627,377]],"negative_points":[[579,373],[679,373],[648,326],[381,601]],"evidence":"目标是上方大浅色圆右侧紧邻的小黑色圆盘。边界框仅覆盖其自身圆周和实心内部，不含外围淡影、右侧横线及大浅色圆。六个正点分布于黑色圆盘内部；负点位于大浅色圆、右侧横线、外部背景及下方另一黑圆上。"}},{"name":"Larger dark lower circle","description":"The dark disk below and to the right of the traveling marker in the first multi-circle arrangement, noticeably larger than the neighboring dark dots.","membership":"Include its circular boundary and filled interior as it moves and scales. Exclude translucent offset echoes, surrounding illumination, and other disks.","id":"obj_007","temporal":{"status":"found","start_s":1.0,"end_s":2.0,"reference_s":1.25,"evidence":"��标是首个多圆布局中位于运动标记右下方、明显大于邻近黑点的深色圆盘。首个合格帧为1.00秒，随后圆盘移动并缩放，最后合格帧为1.75秒。前邻帧0.75秒仅见尚未完成显现的半透明错位圆影；后邻帧2.00秒圆盘已淡为灰色，进入退出阶段。选择1.25秒作为关键帧，此时圆盘边界完整清晰，与标记及其他圆点分离。","start_frame":24,"end_frame":48,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[405,622,470,736],"positive_points":[[427,649],[448,653],[416,680],[438,679],[454,701],[433,714]],"negative_points":[[380,601],[156,658],[593,360],[493,755]],"evidence":"目标是图像中下部、邻近小黑点右下方的较大深色圆盘。边界框紧贴其圆形边界，覆盖实心内部，不包含周围光晕。六个正点分布在圆盘内部不同部位；负点位于其他三个小圆点及目标右下方的外部背景。"}},{"name":"Large circle entering from the left","description":"A large, soft-edged dark disk cropped by the left edge when the tiny traveling marker is surrounded by much larger circles.","membership":"Include the visible portion of the disk and its enclosed fill, following its circular edge. Exclude the surrounding background and detached circles.","id":"obj_008","temporal":{"status":"found","start_s":3.5,"end_s":5.25,"reference_s":3.75,"evidence":"目标是巨大圆盘群中最初贴左边界、边缘柔软的深色圆盘，其裁切外观符合目标描述。首个合格帧为3.50秒；随后随画面缩放移入左侧内部，反色时仍保持圆形结构，最后合格帧为5.00秒。此前3.25秒只有亮色小标记和斜线，之后5.25秒原圆盘布局移出，无法继续看到该目标。选择3.75秒，左侧圆盘的可见圆弧和填充清楚，易与其他圆盘区分。","start_frame":84,"end_frame":126,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[0,257,148,809],"positive_points":[[20,310],[72,378],[110,493],[106,605],[55,704],[16,765]],"negative_points":[[200,530],[354,541],[340,194],[737,765]],"evidence":"目标是从图像左边缘伸入、被裁切的大型柔边暗色圆盘。边界框覆盖其可见圆弧及内部填充；六个正点分布在圆盘的上、中、下部，负点位于外部浅色背景、微小标记及其他独立圆盘上。"}},{"name":"Upper middle surrounding circle","description":"The medium-sized, soft-edged dark disk above and slightly left of the tiny traveling marker when the large surrounding circles appear.","membership":"Include its circular boundary and filled interior through changes in position, scale, and polarity. Exclude exterior blur and neighboring disks.","id":"obj_009","temporal":{"status":"found","start_s":3.5,"end_s":4.0,"reference_s":3.5,"evidence":"目标是大圆群出现时，微小移动标记上方略偏左的中等大小软边暗圆，区别于右上小圆及两侧大圆。首个合格帧为3.50秒，末个为3.75秒，圆形边界与内部均完整。前一帧3.25秒仅见暗背景上的亮标记，没有该周围圆；后一帧4.00秒目标移至画面顶部并被边界裁切，因此结束。选择3.50秒作为关键帧，目标完整、无遮挡且与邻近圆容易区分。","start_frame":84,"end_frame":96,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[270,96,384,301],"positive_points":[[324,144],[300,180],[351,184],[300,234],[331,252],[356,225]],"negative_points":[[353,540],[848,275],[749,711],[450,203]],"evidence":"目标是微小黑色标记上方略偏左的中等大小深色圆盘。边界框紧贴圆盘主体，包含圆形边界和填充内部，不纳入外围淡模糊。六个正点分布在圆盘内部不同部位；负点位于微小标记、右侧其他圆盘及目标右侧背景。"}},{"name":"Upper right surrounding circle","description":"The smaller soft-edged dark circle high on the right, above the enormous lower-right disk in the large-circle arrangement.","membership":"Include its circular boundary and interior. Exclude any exterior halo, motion echoes, and other circles.","id":"obj_010","temporal":{"status":"found","start_s":3.5,"end_s":4.0,"reference_s":3.5,"evidence":"目标是大圆布局中右上方、位于巨大右下圆盘上方的小型柔边深色圆，包含圆形本体而不含外围光晕。首个合格帧为3.50秒，最后合格帧为3.75秒；此前3.25秒仍是暗背景上的单个白圆，尚无目标布局，随后4.00秒目标已移出画面。选择3.50秒作为关键帧，目标完整、无遮挡，且与下方巨大圆盘清晰分离。","start_frame":84,"end_frame":96,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[809,208,889,343],"positive_points":[[847,270],[830,249],[860,243],[875,276],[855,308],[828,298]],"negative_points":[[772,263],[849,131],[750,665],[327,196]],"evidence":"目标是右上方、巨大右下圆盘上方的小型柔边暗圆。边界框紧贴其可见圆形主体，包含边界和内部，不包含外围淡晕。正点分布于圆内不同部位；负点位于左侧及上方背景、右下大圆和���上另一圆内。"}},{"name":"Enormous lower-right circle","description":"The dominant dark disk occupying the lower-right portion of the large-circle arrangement, initially extending beyond the bottom edge.","membership":"Include the visible circular surface and boundary, including its enclosed area when more of it becomes visible. Exclude external blur, the background, and nearby independent disks.","id":"obj_011","temporal":{"status":"found","start_s":3.5,"end_s":4.0,"reference_s":3.75,"evidence":"目标是大圆排列中右下方占主导的深色圆盘；其初始底部裁切符合描述。首个合格帧为3.50秒，最后为3.75秒。此前3.25秒只有暗背景上的小白圆；此后4.00秒目标向右移出，右侧边界也开始被画面裁切，因此结束本次出现。选择3.75秒，圆盘主体与圆弧清楚，易与附近独立圆盘区分。","start_frame":84,"end_frame":96,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[504,382,982,1000],"positive_points":[[740,458],[610,630],[879,614],[558,868],[751,928],[942,897]],"negative_points":[[859,281],[354,541],[443,732],[342,195]],"evidence":"目标是右下方最大的深色圆盘，下部被图像底边截断。边界框紧贴可见圆盘主体，覆盖其表面及边界，不含外围淡模糊。正点分散在圆盘上部、两侧及底部可见区域；负点位于外部浅色背景和其他独立小圆盘上。"}}]}
+{"video_id":305,"video_type":"icons and abstract motion graphics","targets":[{"name":"Green geometric logo","description":"The opening bright-green rounded-square logo contains white circles and rectangular or capsule-shaped cutouts that rearrange as it rotates.","membership":"Include the rounded square's outer boundary and entire enclosed area, including the white cutouts. Exclude the surrounding white background.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0,"evidence":"目标是开场中央的亮绿色圆角方形标志，内部白色圆形、矩形及胶囊形镂空随旋转重排。首个合格帧为0.00秒，外边界及内部结构已完整；最后合格帧为1.25秒，旋转不影响完整呈现。1.50秒已替换为紫色背景上的墨镜笑脸。区间到达视频起点，无更早帧。选择0.00秒作为关键帧，因为标志正向、完整且无遮挡，便于空间标注。","start_frame":0,"end_frame":36,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[381.25,270.37,619.38,693.52],"positive_points":[[416,293],[394,509],[585,672],[450,474],[547,399],[547,565]],"negative_points":[[325,480],[671,490],[510,210],[501,753]],"evidence":"图像中央的亮绿色圆角方形及内部白色长方形、两个圆形构成目标标志。边界框紧贴圆角方形的外部范围；正点分布在绿色边框和按要求包含的白色切口内，负点位于标志上、下、左、右的外围白色背景。"}},{"name":"Opening sunglasses face","description":"A large yellow smiling face on a lavender background; its purple-framed sunglasses lift to reveal a wink before returning over its eyes.","membership":"Include the circular face, its outline, facial features, highlights, and sunglasses, including portions extending beyond the face. Exclude the lavender background.","id":"obj_002","temporal":{"status":"found","start_s":1.5,"end_s":2.5,"reference_s":2.0,"evidence":"目标是薰衣草紫背景上的大型黄色笑脸，包含紫色轮廓、高光及紫框墨镜。首个合格帧为1.50秒，脸部与墨镜已完整呈现；末个合格帧为2.25秒，墨镜已回到眼前。区间前一帧1.25秒是绿色几何图标，后一帧2.50秒已替换为时钟。选择2.00秒作为关键帧，此时墨镜抬起、单眼眨眼，目标全部结构清晰可见且无遮挡。","start_frame":36,"end_frame":60,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[354.2,209.3,645.8,748.1],"positive_points":[[443.2,325.9],[543.2,276.9],[393.2,485.2],[502.1,711.1],[620.8,512.0],[562.5,564.8]],"negative_points":[[494.8,148.1],[307.3,481.5],[687.5,500.0],[505.2,819.4]],"evidence":"图中为黄色圆形笑脸，紫框太阳镜抬至额头，露出眨眼表情。边界框覆盖完整脸部、紫色轮廓、五官、高光及伸出脸外的太阳镜。正点分布于两侧镜片、脸颊、下部脸面和笑容，负点位于目标上下左右的薰衣草色背景。"}},{"name":"Opening animated clock","description":"A large analog clock presented alone on a teal background, with a white face, pale-blue rim, four dot markers, and rotating blue hands.","membership":"Include the clock's outer circular boundary and everything enclosed by it. Exclude the teal background.","id":"obj_003","temporal":{"status":"found","start_s":2.5,"end_s":3.5,"reference_s":2.5,"evidence":"目标是单独位于青绿色背景上的大型圆形时钟，具有白色表盘、浅蓝色外圈、四个圆点刻度和蓝色指针。首个合格帧为2.50秒，最后为3.25秒，期间时钟完整，仅指针旋转。前一帧2.25秒为戴墨镜的笑脸，后一帧3.50秒已替换为地球图标。���择2.50秒作为关键帧，时钟轮廓完整清晰且无遮挡。","start_frame":60,"end_frame":84,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[352,230,647,752],"positive_points":[[499,257],[369,483],[630,494],[499,724],[445,391],[532,423]],"negative_points":[[317,488],[683,491],[500,181],[500,807]],"evidence":"图中唯一的模拟时钟具有白色表盘、浅蓝色圆框、四个圆点刻度和蓝色指针。边界框紧贴钟体最外侧圆形边界，包含全部内部内容；正点分布在圆框、表盘和指针上，负点位于钟体四周的青绿色背景。"}},{"name":"Animated globe and location pin","description":"A blue globe first appears alone on mint green, then shrinks into the upper-right portion of the icon collection. A pink location pin appears and disappears over its rotating land shapes.","membership":"Include the globe's circular boundary and enclosed map, plus the location pin when visible. Exclude the mint background and the rounded mint tile later surrounding it.","id":"obj_004","temporal":{"status":"found","start_s":3.5,"end_s":8.25,"reference_s":3.5,"evidence":"目标是蓝色圆形地球及内部地图，并包含出现时的粉色定位针，不含薄荷绿背景或后来的圆角底板。3.50秒首次完整出现，随后缩小并连续保留在图标集合右上方，最后合格帧为8.00秒。前一帧3.25秒显示时钟，尚无地球；后一帧8.25秒地球被进入画面的红色文字面板完全遮住，此后未再出现。选择3.50秒为关键帧，因为地球和定位针尺寸大、轮廓完整且无遮挡。","start_frame":84,"end_frame":198,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[345.8,219.4,649.5,757.4],"positive_points":[[379.2,435.2],[493.8,259.3],[475.5,687.0],[617.7,600.9],[492.7,486.1],[587.0,458.3]],"negative_points":[[312.5,481.5],[677.1,453.7],[500.0,166.7],[503.1,812.0]],"evidence":"图中蓝色圆形地球及其右上方叠加的粉色定位图钉符合目标。边界框紧贴地球外缘，并完整包含图钉；正点分布在地球边界内的地图各区域和图钉实体上，负点位于四周外部的薄荷绿背景。"}},{"name":"NEW ANIMATED ICONS title","description":"Large black uppercase text reading “NEW ANIMATED ICONS” is progressively revealed across a red banner above the icon collection.","membership":"Include the complete title lettering. Exclude the red backing banner and adjacent icons.","id":"obj_005","temporal":{"status":"found","start_s":4.75,"end_s":8.25,"reference_s":5.5,"evidence":"目标是红色横幅上的黑色大写“NEW ANIMATED ICONS”完整标题，不包括横幅。4.50秒末尾字母仍在逐步揭示，4.75秒首次完整呈现；至8.00秒仍完整可见。8.25秒右侧进入的红色面板开始遮去标题，随后标题退出，因此最后合格帧为8.00秒。选择5.50秒作为关键帧，标题清晰完整、无遮挡，便于单独标注文字。","start_frame":114,"end_frame":198,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[30.7,45.4,728.1,172.2],"positive_points":[[35.9,92.6],[127.6,111.1],[310.9,111.1],[408.9,101.9],[560.9,113],[718.8,137]],"negative_points":[[380,185],[17,110],[770,110],[95,376]],"evidence":"图像顶部红色横幅内可见完整黑色大写标题“NEW ANIMATED ICONS”。边界框紧贴整段标题字形，不包含红色底板或相邻图标。六个正点分散落在各部分字母的黑色笔画上；四个负点位于标题外的红色底板、右侧黄色区域及下方时钟图标。"}},{"name":"Collection clock","description":"A small white-and-blue analog clock occupies the left end of the teal strip in the icon collection, with hands that continue changing direction.","membership":"Include its circular rim, enclosed face, markers, and hands. Exclude the shared teal strip and neighboring card and calendar.","id":"obj_006","temporal":{"status":"found","start_s":4.75,"end_s":8.5,"reference_s":5.5,"evidence":"目标是图标集合中青色横条左端的白蓝色模拟时钟，包含圆框、表盘、刻度和指针。首个完整帧为4.75秒；前一帧4.50秒的圆框仍被画面左边界裁切。最后合格帧为8.25秒，8.50秒时右侧已被退出遮罩截去。选择5.50秒作为关键帧，时钟完整清晰，且与旁边卡片、日历易于区分。","start_frame":114,"end_frame":204,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[51.0,297.2,140.1,455.6],"positive_points":[[95.3,302.8],[54.7,373.1],[95.3,449.1],[134.9,376.9],[74.5,376.9],[100.0,336.1]],"negative_points":[[33.9,376.9],[148.4,438.9],[213.0,379.6],[330.7,407.4]],"evidence":"目标是青绿色横条左端的白蓝色模拟时钟。边界框紧贴时钟外缘，包含圆形边框、表盘、刻度和指针。六个正点分布于边框四周、指针及表盘；负点位于外部青绿色底板和右侧相邻卡片、日历上。"}},{"name":"Animated payment cards","description":"Light-blue payment cards appear beside the small clock in the teal strip, changing between a single card and an overlapping stack.","membership":"Include all visible cards in this compact stack, their boundaries, surfaces, and printed marks. Exclude the teal strip and adjacent icons.","id":"obj_007","temporal":{"status":"found","start_s":4.5,"end_s":8.5,"reference_s":5.75,"evidence":"目标是青色横条内、小钟右侧的浅蓝色支付卡，包含单卡与重叠卡片及其印刷标记。首个合格帧为4.50秒；4.25秒卡片仍被画面左边界裁切。最后合格帧为8.25秒，8.50秒卡片已被转场移除。选择5.75秒作为关键帧，重叠卡片边界和标记清晰完整，且无遮挡。","start_frame":108,"end_frame":204,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[157.3,303.7,266.7,458.3],"positive_points":[[168.2,334.3],[239.6,325.0],[212.0,380.6],[172.9,419.4],[231.3,443.5],[259.9,354.6]],"negative_points":[[95.3,375.9],[329.2,377.8],[277.1,426.9],[207.8,276.9]],"evidence":"目标是青绿色横条内、时钟右侧的浅蓝色重叠支付卡。边界框覆盖前后所有可见卡片及其印刷标记；六个正点分布在前卡表面、边缘和后卡露出部分，负点位于相邻时钟、右侧图标及卡片外的青绿色背景。"}},{"name":"Animated calendar","description":"A white calendar with pale-blue binding and a grid of small date squares sits at the right end of the teal strip; its pages flip.","membership":"Include the calendar body, binding, date grid, and visible flipping pages. Exclude the teal strip and neighboring payment cards.","id":"obj_008","temporal":{"status":"found","start_s":4.25,"end_s":8.5,"reference_s":5.0,"evidence":"目标是青绿色条带右端的白色日历，具有浅蓝色装订条、日期方格和翻动的页面，不包括左侧支付卡片。首个合格帧为4.25秒，日历自身已完整呈现；前一帧4.00秒尚未出现。最后合格帧为8.25秒，日历仍完整可见；8.50秒已被转场面板遮去。选择5.00秒作为关键帧，日历轮廓和日期方格清晰且无遮挡。","start_frame":102,"end_frame":204,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[291.7,305.6,370.8,446.3],"positive_points":[[302,314],[363,315],[299,339],[327,371],[353,415],[361,439]],"negative_points":[[390,377],[278,463],[225,378],[95,374]],"evidence":"目标是青绿色横条右端的白色日历，具有浅蓝色装订边和日期方格。边界框紧贴日历主体及上下浅蓝色页边；正点分布在装订边、白色页面、日期网格和底部页边，负点位于外围青绿色背景及相邻支付卡、时钟上。"}},{"name":"Down-arrow tile","description":"A tall brown capsule near the center of the collection contains a large white downward arrow that changes its position and proportions.","membership":"Include the full brown capsule, its boundary and surface, and the white arrow. Exclude surrounding white space and neighboring tiles.","id":"obj_009","temporal":{"status":"found","start_s":4.5,"end_s":8.5,"reference_s":5.5,"evidence":"目标是图标集合中央的棕色竖向胶囊及其白色向下箭头。首个合格帧为4.50秒，胶囊边界与箭头均完整；前一帧4.25秒胶囊顶部仍被红色标题条遮住，尚未完整呈现。最后合格帧为8.25秒，目标仍完整可见；8.50秒已被转场移除。选择5.50秒作为关键帧，胶囊轮廓清楚、箭头完整且无遮挡。","start_frame":108,"end_frame":204,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[420.3,212,579.7,640.7],"positive_points":[[498,258],[447,365],[551,394],[499,363],[498,480],[502,589]],"negative_points":[[382,399],[637,431],[504,695],[500,167]],"evidence":"目标是画面中央带白色向下箭头的棕色竖向胶囊。边界框紧贴完整胶囊，涵盖棕色表面、边界及白色箭头。正点分布在胶囊上下和两侧表面及箭头上；负点位于左侧蓝绿色面板、右侧地球面板、下方黄色面板和上方红色标题区，均排除在目标外。"}},{"name":"Animated heart tile","description":"The lower-left red-orange rounded-square tile presents a pulsing heart with alternating white and salmon circular fields and occasional surrounding dots.","membership":"Include the complete rounded-square tile and its contents, including the heart, circular fields, and animated dots belonging to this graphic. Exclude neighboring circular icon tiles.","id":"obj_010","temporal":{"status":"found","start_s":4.25,"end_s":8.5,"reference_s":5.25,"evidence":"目标是左下方红橙色圆角方块及其中脉动的心形、圆形色域和圆点，不含旁边的小圆图标。4.25秒已以小尺寸完整出现，随后放大，内部图案变化不影响方块的连续性；此前4.00秒尚未出现。最后合格帧为8.25秒，8.50秒方块已被转场遮罩裁切。选择5.25秒作为关键帧，方块及心形完整清晰，且无邻近图形遮挡。","start_frame":102,"end_frame":204,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[10.4,548.1,252.1,977.8],"positive_points":[[39,581],[218,944],[110,753],[164,755],[72,854],[176,634]],"negative_points":[[293,767],[292,935],[379,917],[207,504]],"evidence":"目标为左下角红橙色圆角方形心形动画卡片，内有鲑红色圆形与白色心形。边界框紧贴完整卡片外缘；正点分布于卡片底色、圆形及心形内容上，负点位于右侧相邻圆形图标和上方蓝绿色面板，排除邻近对象。"}},{"name":"Walking-figures panel","description":"A wide yellow capsule along the bottom of the collection contains three black human pictograms performing repeated walking poses.","membership":"Include the yellow capsule's boundary, surface, and all three animated figures. Exclude adjacent icon tiles and surrounding white space.","id":"obj_011","temporal":{"status":"found","start_s":4.5,"end_s":8.25,"reference_s":5.5,"evidence":"目标为合集底部的黄色横向胶囊及其中三个黑色行走人形。4.50秒首次完整显示胶囊和全部三个人形；前一帧4.25秒人形仍在逐步出现，尚未齐全。最后合格帧为8.00秒，8.25秒红色“3000+ icons”面板开始遮盖并替换该区域，目标进入退出过程。选择5.50秒作为关键帧，胶囊边界清晰，三个人形完整且无遮挡。","start_frame":108,"end_frame":198,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[421.4,651.9,825.5,981.5],"positive_points":[[512,814],[620,829],[732,814],[665,684],[442,852],[681,952]],"negative_points":[[377,765],[710,537],[912,884],[224,838]],"evidence":"目标是图像底部包含三个黑色行走人形的黄色横向胶囊面板。边界框紧贴整个黄色面板，包含其表面和全部三个人形；六个正点分布于三个人形及黄色表面的不同位置，四个负点位于相邻沙漏、地球、下箭头和爱心图块，均在目标之外。"}},{"name":"Chevron tile","description":"A light-gray, flat-topped rounded-bottom tile on the right contains a dark chevron that changes between downward, flattened, and upward shapes.","membership":"Include the gray tile's true outline, enclosed surface, and dark animated mark. Exclude the sunglasses-face tile above it.","id":"obj_012","temporal":{"status":"found","start_s":4.0,"end_s":8.25,"reference_s":5.75,"evidence":"目标是右侧浅灰色平顶圆底瓷砖及其中变形的深色折线，不含上方墨镜笑脸。首个合格帧为4.00秒，瓷砖虽有旋转但轮廓已完整；前一帧3.75秒尚未出现。最后合格帧为8.00秒，8.25秒被进入画面的红色面板遮去，随后不再出现。选择5.75秒作为关键帧，此时瓷砖完整无遮挡，向下折线清晰，易与上方笑脸区分。","start_frame":96,"end_frame":198,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[830.7,798.1,990.1,982.4],"positive_points":[[848,824],[963,828],[874,930],[932,958],[909,918],[958,902]],"negative_points":[[911,650],[781,858],[912,464],[822,941]],"evidence":"目标是右下角带深色向下折线的浅灰色平顶、圆底瓷片。边界框紧贴灰色瓷片的完整外轮廓；正点分布在灰色表面及深色折线上，负点位于上方墨镜脸、蓝色图块、左侧黄色图块和外部白色背景，排除了其他对象。"}},{"name":"Design-tools tile","description":"A blue square near the upper-right edge contains white outline drawings of a pencil and ruler that rotate and rearrange.","membership":"Include the blue square's boundary, surface, and both white tools. Exclude surrounding white space and neighboring tiles.","id":"obj_013","temporal":{"status":"found","start_s":4.5,"end_s":8.25,"reference_s":5.5,"evidence":"目标是右上方的蓝色方形瓷砖，内部有不断旋转、重排的白色轮廓铅笔和尺子。首个合格帧为4.50秒，方形边界和两件工具均已完整呈现；前一帧4.25秒尚未出现该瓷砖。最后合格帧为8.00秒，下一帧8.25秒被进入画面的红色大面板遮去，此次呈现结束。选择5.50秒作为关键帧，蓝色方块及两件交叉工具清晰完整，易与邻近瓷砖区分。","start_frame":108,"end_frame":198,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[830.7,214.8,990.1,498.1],"positive_points":[[846,237],[968,255],[851,470],[972,466],[879,324],[921,327]],"negative_points":[[795,406],[910,643],[867,110],[501,409]],"evidence":"目标是右上方包含白色铅笔和尺子轮廓的蓝色方形图块。边界框紧贴蓝色方块外缘，覆盖其表面及两件工具；正点分布在蓝色表面与白色工具上，负点位于相邻的地球、笑脸、开关和棕色箭头图块上。"}},{"name":"Refresh-arrows tile","description":"A small pale-blue circular tile beside the heart contains three dark arrows rotating in a loop.","membership":"Include the entire circular tile and its enclosed arrow graphic. Exclude adjacent circular tiles.","id":"obj_014","temporal":{"status":"found","start_s":4.5,"end_s":8.5,"reference_s":5.5,"evidence":"目标是心形图块右侧的浅蓝色圆形小 tile，内部有三支深色循环箭头，不包含邻近圆形图块。首个完整呈现帧为4.50秒，4.25秒尚未出现；最后符合条件的帧为8.25秒，8.50秒该图块已被转场移除。选择5.50秒作为关��帧，此时圆形边界和循环箭头清晰完整、无遮挡。","start_frame":108,"end_frame":204,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[256.8,554.6,333.3,690.7],"positive_points":[[294.8,571.3],[268.8,620.4],[316.1,601.9],[296.9,626.9],[313.0,664.8],[284.4,669.4]],"negative_points":[[234.4,634.3],[376.6,620.4],[294.3,758.3],[297.4,519.4]],"evidence":"目标是心形面板右侧、无线网络圆块左侧的浅蓝色刷新圆块，内有三枚循环箭头。边界框紧贴整个圆块，包含底色和箭头。正点分布于圆块内部及箭头上；负点位于左侧心形面板、右侧无线网络圆块、下方货车圆块及上方青色面板，均不属于目标。"}},{"name":"Wi-Fi tile","description":"A small red circular tile to the right of the refresh icon contains a black Wi-Fi symbol whose curved signal bands appear and disappear.","membership":"Include the circular red surface and boundary, together with all visible signal bands and the central signal dot. Exclude neighboring tiles.","id":"obj_015","temporal":{"status":"found","start_s":4.5,"end_s":8.5,"reference_s":5.5,"evidence":"目标是刷新图标右侧、带黑色 Wi-Fi 信号的红色圆形 tile，包含圆面及随动画增减的信号弧线和点。4.50 秒首次完整出现，前一帧 4.25 秒尚未出现；8.25 秒仍完整可见，后一帧 8.50 秒已被转场移除。信号弧线的变化不影响圆形 tile 的连续身份。选择 5.50 秒作为关键帧，此时圆形边界和 Wi-Fi 符号清晰且无遮挡。","start_frame":108,"end_frame":204,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[338.54,554.63,415.63,691.67],"positive_points":[[376.56,574.07],[351.56,618.52],[401.56,615.74],[377.08,675.93],[377.6,602.78],[376.56,645.37]],"negative_points":[[294.79,620.37],[375.52,762.96],[376.04,490.74],[484.38,555.56]],"evidence":"目标是刷新图标右侧、沙漏图标上方的红色圆形 Wi-Fi 图块。边界框紧贴整个红色圆形，包含黑色信号弧线和中心信号点；正点分布在红色表面及黑色符号上，负点位于相邻刷新、沙漏图块以及上方青色面板和右侧棕色面板内。"}},{"name":"Delivery-truck tile","description":"A small pink circular tile below the refresh icon contains an outlined delivery truck with changing motion lines or a check mark on its cargo box.","membership":"Include the full pink circular tile and all truck details, wheels, motion lines, and check mark within it. Exclude adjacent tiles.","id":"obj_016","temporal":{"status":"found","start_s":4.75,"end_s":8.5,"reference_s":5.5,"evidence":"目标是刷新图标下方的粉色圆形配送卡车 tile，包含车轮及货箱上的勾选或运动线。4.75秒首次完整出现，8.25秒仍完整可见；此前4.50秒尚未出现，之后8.50秒已被转场移除。选择5.50秒作为关键帧，此时圆形边界和卡车细节清晰，无遮挡且易于与相邻图块区分。","start_frame":114,"end_frame":204,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[256.8,700.9,333.3,837],"positive_points":[[286.5,722.2],[312.5,738],[271.9,772.2],[293.8,782.4],[312.5,801.9],[286.5,816.7]],"negative_points":[[294.3,620.4],[377.6,766.7],[294.3,912],[234.4,763.9]],"evidence":"目标是刷新图标下方、沙漏左侧的粉色圆形配送卡车磁贴。边界框紧贴整个粉色圆片，包含卡车轮廓、车轮和运动线。正点分布在圆片表面及卡车细节上；负点位于相邻的刷新、沙漏、扬声器和左侧爱心磁贴上。"}},{"name":"Hourglass tile","description":"A beige circular tile beside the delivery truck contains a dark outlined hourglass that turns and changes its sand distribution.","membership":"Include the beige circle's boundary, surface, and complete hourglass graphic. Exclude neighboring tiles.","id":"obj_017","temporal":{"status":"found","start_s":4.75,"end_s":8.5,"reference_s":5.5,"evidence":"目标是配送卡车右侧的米色圆形瓷砖，内有深色描边沙漏。4.75秒首次完整显示圆面、边界及沙漏，4.50秒尚未出现；最后合格帧为8.25秒，8.50秒该区域已被转场移除。选择5.50秒作为关键帧，圆形边界和沙漏图案清晰完整，无遮挡且易与邻近瓷砖区分。","start_frame":114,"end_frame":204,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[338.5,699.1,415.1,836.1],"positive_points":[[375,722],[354,754],[401,756],[356,796],[395,805],[376,770]],"negative_points":[[294,769],[377,625],[377,914],[456,771]],"evidence":"目标是送货卡车右侧、无线网络图标下方的米色圆形沙漏图块。边界框紧贴圆形外缘，包含完整米色表面和深色沙漏图案。正点分布于圆面各部及沙漏上，负点位于相邻卡车、无线网络、聊天图块和右侧黄色图块内。"}},{"name":"Toggle-switch tile","description":"A mustard-yellow, flat-topped rounded-bottom tile at the upper-right contains a dark horizontal toggle switch with a moving circular knob.","membership":"Include the mustard tile's true outline and surface, plus the switch track and knob. Exclude the blue design-tools tile below it.","id":"obj_018","temporal":{"status":"found","start_s":5.0,"end_s":8.25,"reference_s":5.5,"evidence":"目标是右上角芥末黄色、平顶圆底的开关瓷砖，内含深色横向轨道和圆形滑钮，不包括下方蓝色工具瓷砖。首个合格帧为5.00秒，瓷砖虽倾斜但轮廓已完整；前一帧4.75秒尚未出现。最后合格帧为8.00秒，8.25秒开始被进入的红色面板遮去，随后不再出现。选择5.50秒作为关键帧，此时瓷砖完整、无遮挡且开关结构清晰。","start_frame":120,"end_frame":198,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[748.96,18.52,989.58,205.56],"positive_points":[[777,51],[961,48],[867,181],[847,106],[889,108],[958,111]],"negative_points":[[910,330],[750,430],[990,570],[710,110]],"evidence":"目标是右上角平顶、圆弧底的芥末黄色开关图块。边界框紧贴完整黄色外形，包含深色开关轨道与圆形旋钮；六个正点分布在黄色表面、轨道和旋钮上。负点位于下方蓝色工具图块、绿色地球图块、右侧白色背景及左侧标题区域，均不属于目标。"}},{"name":"Collection sunglasses face","description":"A yellow smiling face in a purple circular tile on the right repeats the sunglasses-lifting and winking animation after the earlier standalone face has disappeared.","membership":"Include the purple circular tile's boundary and surface, the yellow face, its facial details, and the sunglasses. Exclude the neighboring design-tools and chevron tiles.","id":"obj_019","temporal":{"status":"found","start_s":5.25,"end_s":8.25,"reference_s":5.5,"evidence":"目标是图标集合右侧的紫色圆形底板及其中戴墨镜的黄色笑脸，不是早先的独立笑脸。首个完整呈现帧为5.25秒，5.00秒该位置尚无笑脸圆形 tile；最后符合条件的帧为8.00秒，8.25秒右侧被红色“3000+ icons”面板覆盖，目标消失。选择5.50秒作为关键帧，圆形边界、笑脸和抬起的墨镜清晰完整，且与相邻工具及箭头图块分离。","start_frame":126,"end_frame":198,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[830.7,506.5,990.1,787],"positive_points":[[910,531],[848,646],[973,646],[910,759],[910,661],[909,583]],"negative_points":[[910,453],[910,872],[814,593],[787,800]],"evidence":"目标是右侧蓝色设计工具方块下方、灰色下箭头块上方的紫色圆形笑脸图块。边界框紧贴整个紫色圆块，包含黄色脸、表情和抬起的墨镜。正点分布在紫色表面、脸部及墨镜上；负点位于相邻蓝色工具块、灰色箭头块、外部白色背景和黄色行走图块上。"}},{"name":"Speaker tile","description":"A dark-green circular tile beneath the delivery truck contains a dark speaker symbol alternating between sound waves and a mute cross.","membership":"Include the complete green circular tile, speaker, and its changing sound-wave or mute marks. Exclude adjacent tiles.","id":"obj_020","temporal":{"status":"found","start_s":5.25,"end_s":8.5,"reference_s":5.75,"evidence":"目标是配送卡车下方的深绿色圆形扬声器瓷片，内部声波与静音叉号交替变化。首个完整合格帧为5.25秒，最后合格帧为8.25秒；此前5.00秒圆片仍被画面底边裁切，之后8.50秒已被转场面板遮去。选择5.75秒作为关键帧，圆片边界、扬声器及静音叉号均清楚完整，且与相邻瓷片易于区分。","start_frame":126,"end_frame":204,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[256.8,844.4,333.9,981.5],"positive_points":[[279.7,870.4],[312.5,874.1],[266.7,920.4],[295.8,960.2],[286.5,910.2],[309.4,913.0]],"negative_points":[[295.8,765.7],[377.1,913.0],[234.4,905.6],[338.5,990.7]],"evidence":"目标是配送卡车下方的深绿色圆形扬声器瓷块，内部显示扬声器和静音叉号。边界框紧贴整个绿色圆形，包含内部符号；正点分布于绿色表面及扬声器、静音标记，负点位于相邻卡车、聊天图标、左侧红色瓷块和外部白色背景。"}},{"name":"WhatsApp tile","description":"A magenta circular tile beneath the hourglass contains a dark outlined speech bubble with a telephone handset.","membership":"Include the magenta circular boundary and surface and the complete speech-bubble-and-handset symbol. Exclude neighboring tiles.","id":"obj_021","temporal":{"status":"found","start_s":5.25,"end_s":8.5,"reference_s":6.0,"evidence":"目标是沙漏下方的洋红色圆形 tile，内有深色描边的对话气泡和电话听筒，包含圆形底面与完整符号。首个合格帧为5.25秒；前一帧5.00秒圆形底部仍被画面边界裁切。最后合格帧为8.25秒，目标仍完整可见；8.50秒已被转场移除。选择6.00秒作为关键帧，目标完整清晰、无遮挡，且容易与相邻图标区分。","start_frame":126,"end_frame":204,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[338.5,844.4,415.6,981.5],"positive_points":[[377,862],[351,896],[372,912],[395,898],[363,959],[401,945]],"negative_points":[[294,913],[377,770],[448,876],[378,622]],"evidence":"目标是沙漏下方的洋红色圆形 WhatsApp 图块，内有深色电话听筒和对话气泡。边界框紧贴整个圆形图块，包含其表面及完整符号。正点分布在圆面和符号上；负点位于相邻静音、沙漏、黄色人物及上方红色图块，均不属于目标。"}},{"name":"3000+ icons text","description":"Large black text reading “3000+” above “icons” enters over the collection on a red-orange rounded panel and then occupies the left half of the presentation.","membership":"Include both lines as one complete text block, including the plus sign. Exclude the red-orange backing panel and any collection graphics behind it.","id":"obj_022","temporal":{"status":"found","start_s":8.5,"end_s":11.0,"reference_s":9.0,"evidence":"目标为红橙色圆角面板上的黑色两行文字“3000+”和“icons”，不含底板。8.50秒两行及加号首次完整可见；此前8.25秒文字仍被画面右边界截断。最后符合条件的帧为10.75秒，11.00秒文字已随面板上移离开画面。选择9.00秒作为关键帧，文字完整清晰、无遮挡，且容易与其他元素区分。","start_frame":204,"end_frame":264,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[75.5,160.2,459.9,841.7],"positive_points":[[129.7,250],[239.6,324.1],[427.1,337],[109.4,703.7],[204.7,722.2],[388.5,726.9]],"negative_points":[[40,500],[250,930],[250,85],[600,500]],"evidence":"目标是左侧红橙色圆角面板上的黑色“3000+”和下方“icons”。边界框紧贴两行文字整体，包含加号及字母i的圆点，不包含面板。六个正点分布在上下两行的实际笔画上；负点位于文字块外的红橙色面板及右侧白色背景。"}},{"name":"20 STYLES text","description":"White text reading “20” and “STYLES” appears on a blue panel to the right of “3000+ icons”; “STYLES” is wrapped across two lines.","membership":"Include the number and all letters of the wrapped word as one text block. Exclude the blue backing panel and the adjacent black text.","id":"obj_023","temporal":{"status":"found","start_s":9.5,"end_s":11.0,"reference_s":9.75,"evidence":"目标是右侧蓝色面板上的白色“20”和分两行排列的“STY”“LES”，不含蓝底及左侧黑字。9.5秒首次完整显示全部文字，10.75秒为最后完整帧；此前9.25秒数字尚未显示且文字揭示未完成，之后11.0秒文字随面板上移，已被画面边界裁切。选择9.75秒作为关键帧，全部文字清晰完整、无遮挡。","start_frame":228,"end_frame":264,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[542.7,202.8,947.4,841.7],"positive_points":[[575.5,372.2],[659.4,213.9],[740.6,589.8],[904.7,534.3],[640.6,786.1],[833.3,828.7]],"negative_points":[[427.1,333.3],[776,111.1],[968.8,722.2],[755.2,921.3]],"evidence":"目标是右侧蓝色面板上的白色“20”和分两行排列的“STY”“LES”。边界框覆盖完整三行文字；六个正点分布在各行的实际字形笔画上，负点位于文字块外的蓝色背景及左侧黑色文字上，不包含字间或行间空隙。"}},{"name":"AFTER EFFECTS FORMAT text","description":"A large black uppercase block reading “AFTER EFFECTS FORMAT” appears across a wide yellow capsule in the lower portion of the format presentation.","membership":"Include the complete lettering only. Exclude the yellow capsule and the format labels above it.","id":"obj_024","temporal":{"status":"found","start_s":11.0,"end_s":14.25,"reference_s":12.0,"evidence":"目标为黄色胶囊内完整的黑色大写“AFTER EFFECTS FORMAT”字样，不含背景和上方标签。11.00秒首次完整可见，虽有运动模糊但字形已建立；前一帧10.75秒仅见黄色胶囊入场，尚无完整文字。14.00秒是最后合格帧，14.25秒文字已随胶囊移出画面。选择12.00秒作为关键帧，文字清晰完整且无遮挡。","start_frame":264,"end_frame":342,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[106.8,590.7,895.8,854.6],"positive_points":[[119.8,740.7],[281.3,787.0],[384.4,722.2],[599.0,822.2],[776.0,740.7],[875.0,740.7]],"negative_points":[[104.2,231.5],[494.8,509.3],[937.5,740.7],[468.8,925.9]],"evidence":"目标为下方黄色胶囊内的黑色大写文字“AFTER EFFECTS FORMAT”。边界框紧贴整段文字的可见外缘；六个正点分散在三个单词的实际字形笔画上，四个负点位于文字外围的黄色底面及上方格式标签区域，不包含字间空隙或字形孔洞。"}},{"name":"GIF text","description":"Large white serif text reading “GIF” appears in a brown rectangle at the upper left of the format presentation.","membership":"Include the three letters only. Exclude the brown backing rectangle and adjacent text blocks.","id":"obj_025","temporal":{"status":"found","start_s":11.5,"end_s":14.25,"reference_s":12.0,"evidence":"目标是格式展示区左上方棕色矩形内的白色衬线“GIF”三字母，不含底板��11.50秒首次完整显示，14.00秒为最后完整显示帧；此前11.25秒的G仍被画面左边界裁切，此后14.25秒文字已随版块向上退出画面。选择12.00秒作为关键帧，三个字母清晰完整且无遮挡。","start_frame":276,"end_frame":342,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[63.02,138.89,275,326.85],"positive_points":[[69.27,230.56],[109.9,317.59],[176.04,193.52],[178.65,316.67],[215.63,200],[255.21,240.74]],"negative_points":[[39.58,84.26],[288.54,234.26],[167.71,388.89],[414.58,217.59]],"evidence":"目标是左上角棕色矩形中的白色衬线文字“GIF”。边界框紧贴三个字母的整体可见范围；六个正点分布在各字母的白色笔画上，负点位于文字外围的棕色底板及右侧绿色区域，不包含字母内部孔洞或字间空隙。"}},{"name":"JSON for Lottie text","description":"A format label on a pale-green rounded rectangle reads “JSON” in large thin black letters, with “for Lottie” underneath in smaller bold text.","membership":"Include “JSON” and “for Lottie” together as one complete label. Exclude the pale-green backing panel and neighboring format text.","id":"obj_026","temporal":{"status":"found","start_s":11.5,"end_s":14.25,"reference_s":12.0,"evidence":"目标为浅绿色圆角面板上的黑色“JSON”及下方“for Lottie”完整组合文字，不包含底板。首个合格帧为11.50秒，文字虽正在缩放且有运动模糊，但两部分已完整出现；11.25秒尚未出现该标签。最后合格帧为14.00秒，14.25秒文字随退出运动被画面上边缘裁切。选择12.00秒作为关键帧，文字清晰完整、无遮挡，易与邻近格式文字区分。","start_frame":276,"end_frame":342,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[507.8,86.1,821.9,379.6],"positive_points":[[563.5,183.3],[592.2,130.6],[738.0,196.3],[818.8,231.5],[592.2,346.3],[649.0,360.2]],"negative_points":[[468.8,222.2],[885.4,226.9],[677.1,421.3],[171.9,231.5]],"evidence":"目标为浅绿色圆角面板上的黑色“JSON”和下方“for Lottie”。边界框紧贴两行文字的整体范围，不包含面板。六个正点分布在两行文字的实际笔画上；负点位于文字范围外的绿色面板及左侧独立的“GIF”文字上。"}},{"name":"Animated-icons website address","description":"The closing call-to-action displays the bold black address “icons8.com/l/animated” against white as the format panels leave the screen.","membership":"Include the complete address lettering, punctuation, and slashes. Exclude the white background and departing colored panels.","id":"obj_027","temporal":{"status":"found","start_s":14.25,"end_s":16.0,"reference_s":14.5,"evidence":"目标是白底上的完整黑色粗体网址“icons8.com/l/animated”，包括标点和斜杠。14.00秒尚未出现网址；14.25秒网址已完整显示，尽管彩色面板仍在离场。最后一个合格采样帧为15.75秒，网址持续完整可见，因此区间延至视频结束16.00秒，之后没有采样帧。选择14.50秒作为关键帧，此时彩色面板已离开，网址清晰且无遮挡。","start_frame":342,"end_frame":384,"reference_frame":348},"grounding":{"status":"found","bbox_xyxy":[188.5,437,812,524.1],"positive_points":[[194.3,481.5],[351,505.6],[459.9,488],[550.5,486.1],[651,489.8],[806.3,479.6]],"negative_points":[[145,481],[850,481],[490,380],[490,585]],"evidence":"图像中央的粗黑字地址“icons8.com/l/animated”与目标一致。边界框紧贴完整地址，包含字母、数字、句点和斜杠；六个正点分散落在实际黑色笔画上，四个负点位于文字块上、下、左、右的外部白色背景。"}}]}
+{"video_id":306,"video_type":"icons and abstract motion graphics","targets":[{"name":"Circled plus icon","description":"The opening black plus inside a thick circular outline, later occupying the center of the blue icon grid and rotating into an X.","membership":"Includes the circular boundary, enclosed area, and central rotating cross. Excludes surrounding background and interaction highlights.","id":"obj_001","temporal":{"status":"found","start_s":0.25,"end_s":9.5,"reference_s":0.5,"evidence":"目标是开场的黑色圆圈加号，随后连续缩放进入蓝色图标网格，中心十字旋转为X，并随网格移动。0.25秒时圆圈和十字已完整出现，前一帧0.00秒为空白；最后完整可见帧为9.25秒，9.50秒时该图标开始被画面底边裁切。选择0.50秒作为关键帧，此时图标较大、轮廓清楚，且无邻近图标或交互高亮干扰。","start_frame":6,"end_frame":228,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[404.7,386.1,541.1,628.7],"positive_points":[[472.9,396.3],[410.4,502.8],[534.9,515.7],[475,618.5],[472.4,505.6],[495.8,446.3]],"negative_points":[[380.2,503.7],[567.7,503.7],[472.4,341.7],[474.5,673.1]],"evidence":"图像中央偏左可见粗黑圆环及中心加号，与目标一致。边界框紧贴圆环外缘，覆盖圆形边界、围合区域和加号；正点���布于圆环四周、加号及允许包含的内部区域，负点位于圆环外侧的白色背景。"}},{"name":"Dollar coin icon","description":"A black outlined coin with a dollar sign, introduced left of the opening circular icon; it alternates between one coin and an overlapping stack.","membership":"Includes the complete coin or connected stack, its outlines, enclosed faces, and dollar sign.","id":"obj_002","temporal":{"status":"found","start_s":1.75,"end_s":5.75,"reference_s":3.25,"evidence":"目标是开场圆形图标左侧带美元符号的黑色轮廓硬币，随后在单枚与重叠币堆之间变换。1.75秒首次完整可见，虽有运动模糊但结构已建立；前一帧1.50秒尚无硬币。最后合格帧为5.50秒，5.75秒硬币向左移出时已被画面边界裁切。选择3.25秒作为关键帧，币堆轮廓及美元符号清晰，无遮挡。","start_frame":42,"end_frame":138,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[328.6,453.7,395.3,540.7],"positive_points":[[342.2,487.0],[352.6,500.0],[357.8,528.7],[370.8,475.9],[379.2,514.8],[391.1,494.4]],"negative_points":[[416.7,496.3],[356.8,418.5],[357.8,578.7],[489.6,503.7]],"evidence":"目标是图像中部偏左、圆圈叉号左侧带美元符号的重叠硬币图标。边界框紧贴完整硬币堆，涵盖轮廓、币面和美元符号；六个正点分布在前方币面及后方重叠硬币上，四个负点位于图标外的上、下、右侧背景和右侧圆圈叉号上。"}},{"name":"Fullscreen corners icon","description":"Four black corner brackets introduced to the right of the opening icon, later highlighted within the grid.","membership":"Includes the four bracket strokes. The open center and gaps between brackets remain excluded, as does the gray interaction highlight.","id":"obj_003","temporal":{"status":"found","start_s":2.0,"end_s":9.5,"reference_s":5.0,"evidence":"目标是开场圆形图标右侧的四条黑色直角括号，随后随网格移动并被灰色圆形高亮。1.75秒右侧括号仍在渐显，2.00秒四条括号已完整建立；最后完整帧为9.25秒，9.50秒开始被画面下边缘裁切。选择5.00秒为关键帧，四角形状清晰且高亮便于定位；目标不包括灰色高亮、中心空白及括号间隙。","start_frame":48,"end_frame":228,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[575.5,447.2,628.6,540.0],"positive_points":[[578.6,464.8],[591.1,452.8],[625.0,469.4],[616.1,452.8],[578.6,523.1],[624.0,535.2]],"negative_points":[[643.2,510.2],[567.7,490.7],[609.4,430.6],[478.6,502.8]],"evidence":"目标是图像中部偏右、灰色圆形高亮内的四角全屏图标。边界框紧贴四个黑色角括号，不包含灰色高亮。六个正点分布在四角笔画上；负点位于括号整体外侧的灰色高亮及左侧加号图标上，未放在中心或括号间隙中。"}},{"name":"Messenger icon","description":"A rounded speech bubble containing a zigzag lightning mark, initially below the central icon in the blue grid.","membership":"Includes the bubble outline, tail, enclosed area, and lightning mark.","id":"obj_004","temporal":{"status":"found","start_s":2.0,"end_s":8.5,"reference_s":3.75,"evidence":"目标是蓝色网格中央图标下方、内含闪电折线且带尾部的 Messenger 对话气泡。2.00 秒首次完整可见，虽有运动模糊但结构已建立；此前 1.75 秒仍被画面下缘裁切。此后同一图标随网格移动，最后完整出现于 8.25 秒，8.50 秒开始从下缘离场并被裁切。选择 3.75 秒为关键帧，因为轮廓、尾部及闪电清晰，无遮挡且易与邻近电话气泡区分。","start_frame":48,"end_frame":204,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[461.98,668.52,515.63,764.81],"positive_points":[[488.02,673.15],[473.96,693.52],[503.13,698.15],[489.58,716.67],[501.56,739.81],[473.96,754.63]],"negative_points":[[359.38,717.59],[614.58,712.96],[447.92,712.96],[488.54,795.37]],"evidence":"目标位于中央加号下方，是内含锯齿闪电的 Messenger 对话气泡。边界框紧贴气泡外轮廓并包含左下尾部；正点分布在轮廓、内部、闪电和尾部，负点位于左侧录制图标、右侧电话气泡及目标外的蓝色背景。"}},{"name":"Upper WhatsApp icon","description":"A telephone handset inside a speech bubble in the upper-left portion of the first blue grid.","membership":"Includes the complete speech-bubble boundary and tail, enclosed area, and handset.","id":"obj_005","temporal":{"status":"found","start_s":3.25,"end_s":5.5,"reference_s":4.75,"evidence":"目标是第一块蓝色图标网格左上方、气泡内含电话听筒的 WhatsApp 图标，区别于网格下方的同类图标。3.25 秒首次完整显示气泡边界、尾部和听筒；此前 3.00 秒仍被画面上边缘裁切。最后合格帧为 5.25 秒，图标虽随网格移动但仍完整；5.50 秒已移出左边缘。选择 4.75 秒作为关键帧，目标清晰完整，便于与其他图标区分。","start_frame":78,"end_frame":132,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[94.3,13.9,147.4,107.4],"positive_points":[[120.8,18.5],[97.4,57.4],[98.4,99.1],[113,60.2],[141.1,69.4],[125,85.2]],"negative_points":[[84.9,60.2],[156.3,64.8],[121.9,129.6],[242.2,67.6]],"evidence":"目标是图像左上方第一行的 WhatsApp 图标，电话听筒位于带尾巴的对话气泡内。边界框紧贴完整气泡轮廓及尾部；正点分布于边界、尾部、听筒和所属内部区域，负点位于图标外背景及右侧独立圆盘图标上。"}},{"name":"Disc icon","description":"A circular disc with a central hole and short curved markings, beside the upper WhatsApp icon.","membership":"Includes the outer circular boundary and enclosed disc face with its internal markings.","id":"obj_006","temporal":{"status":"found","start_s":3.0,"end_s":5.75,"reference_s":4.75,"evidence":"目标是上排 WhatsApp 图标右侧的圆盘，具有外圆边界、中心孔和短弧形纹样。首个完整呈现帧为 3.00 秒，末个为 5.50 秒；此前 2.75 秒圆盘上缘仍受画面边界裁切，之后 5.75 秒已向左移出画面。选择 4.75 秒作为关键帧，圆盘轮廓及内部纹样清晰，且与旁边图标容易区分。","start_frame":72,"end_frame":138,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[216.7,22.2,268.2,113.9],"positive_points":[[242.2,27.8],[219.3,70.4],[256.8,81.5],[230.7,53.7],[239.6,90.7],[251.0,50.9]],"negative_points":[[203.1,68.5],[282.8,68.5],[242.2,138.9],[121.9,63.0]],"evidence":"目标位于图像上排、上方 WhatsApp 图标右侧，是带中心孔和短弧形标记的圆盘。边界框紧贴圆盘外缘，涵盖外圆边界、盘面及内部标记；正点分布在这些部分，负点位于圆盘外部背景及左侧独立的 WhatsApp 图标上。"}},{"name":"Alarm clock icon","description":"A round clock with two bells, hands, and short feet in the upper row of the blue grid.","membership":"Includes the clock face, enclosing outline, hands, bells, and feet, following their actual outlines.","id":"obj_007","temporal":{"status":"found","start_s":3.75,"end_s":5.75,"reference_s":4.75,"evidence":"目标是蓝色网格上排带双铃、指针和短脚的圆形闹钟。3.75秒首次完整呈现，此前3.50秒双铃上缘仍被画面顶部裁切；最后合格帧为5.50秒，5.75秒闹钟向左移出时被左边界裁切。选择4.75秒作为关键帧，此时轮廓完整清晰，且容易与相邻图标区分。","start_frame":90,"end_frame":138,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[334.9,16.7,388.0,110.2],"positive_points":[[341.7,29.6],[381.8,30.6],[360.4,63.9],[340.6,70.4],[363.5,101.9],[379.7,102.8]],"negative_points":[[319,65],[405,65],[362,141],[242,67]],"evidence":"目标是上排带双铃、指针和短脚的圆形闹钟。边界框紧贴双铃、钟面外轮廓及底部短脚；正点分布在铃、指针、圆框和短脚上，负点位于左右及下方的外部蓝色背景和左侧光盘图标上。"}},{"name":"Pulse waveform icon","description":"A black heartbeat-like zigzag in the upper row, above the Facebook icon.","membership":"Includes only the connected waveform strokes; the surrounding open area is excluded.","id":"obj_008","temporal":{"status":"found","start_s":2.5,"end_s":3.0,"reference_s":2.5,"evidence":"目标是上排、Facebook 图标正上方的黑色连续心跳折线。首个完整呈现帧为 2.50 秒，最后合格帧为 2.75 秒；此前 2.25 秒折线仍被画面上边界裁切，之后 3.00 秒其笔画已开始消失，仅剩局部折线。选择 2.50 秒作为关键帧，形状完整清晰且无遮挡。","start_frame":60,"end_frame":72,"reference_frame":60},"grounding":{"status":"found","bbox_xyxy":[464.1,4.6,515.1,87.0],"positive_points":[[468.8,45.4],[477.6,52.8],[486.5,25.0],[494.8,66.7],[503.6,36.1],[511.5,45.4]],"negative_points":[[451.0,46.3],[529.2,46.3],[489.6,120.4],[489.6,240.7]],"evidence":"目标是上排、Facebook 图标正上方的黑色心跳波形。边框紧贴完整的连续折线笔画；六个正点分布在左右横线及中间起伏笔画上，负点位于周围外部背景和下方独立的 Facebook 图标上。"}},{"name":"Upper alert icon","description":"An exclamation mark with an animated circular outline, initially in the top row above the payment card.","membership":"Includes the exclamation mark and surrounding ring when present, including the region enclosed by a completed ring. Excludes surrounding background.","id":"obj_009","temporal":{"status":"found","start_s":3.25,"end_s":10.75,"reference_s":9.5,"evidence":"目标是付款卡图标上方的感叹号及其动态圆环，随图标网格连续移动。首个符合条件的帧为3.25秒，此时感叹号完整可见，圆环处于动画中的消隐状态；此前3.00秒的上方圆弧仍被画面顶边截断。最后符合条件的帧为10.50秒，10.75秒目标开始随网格淡出。选择9.50秒为关键帧，此时感叹号和圆环完整清晰，与下方付款卡的位置关系明确。","start_frame":78,"end_frame":258,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[223.9,552.8,272.4,639.8],"positive_points":[[247.9,557.4],[226.6,591.7],[269.3,600],[248.4,635.2],[247.9,588],[256.8,606]],"negative_points":[[208,595],[290,602],[246,784],[560,780]],"evidence":"目标是图像左中部、支付卡图标正上方的圆圈感叹号，区别于右下方的另一枚警示图标。边界框紧贴完整圆环；正点分布在圆环、感叹号及按规则包含的圈内区域，负点位于圈外背景、下方支付卡和另一枚警示图标上。"}},{"name":"Conversation bubbles icon","description":"Two overlapping angular speech bubbles in the upper row, animated with a diagonal disabling stroke.","membership":"Includes both bubble boundaries, tails, enclosed areas, and the disabling stroke when present.","id":"obj_010","temporal":{"status":"found","start_s":2.5,"end_s":10.75,"reference_s":6.5,"evidence":"目标是两个重叠的棱角对话气泡，带尾部，并周期性出现斜向禁用线。首个完整呈现帧为2.50秒，2.25秒时仍被画面上边缘裁切；最后合格帧为10.50秒，10.75秒开始随图标网格淡出。选择6.50秒作为关键帧，此时两个气泡及禁用斜线清晰完整，无遮挡。","start_frame":60,"end_frame":258,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[231.77,41.67,288.54,139.81],"positive_points":[[242.71,75.93],[261.98,72.22],[242.71,112.04],[284.9,91.67],[276.04,119.44],[266.67,102.78]],"negative_points":[[216.67,88.89],[303.13,96.3],[260.42,163.89],[377.08,44.44]],"evidence":"目标位于上排左侧，是两个重叠的棱角对话气泡，带有左上至右下的禁用斜线。边界框紧贴两个气泡的边界、尾部及斜线；正点分布在气泡内部、边框、尾部和斜线上，负点位于外围背景及右侧独立圆环上。"}},{"name":"Outlined circular check icon","description":"A check mark crossing an open circular outline, initially near the upper-right of the blue grid. It is later isolated and becomes the leftmost example in the five-style comparison.","membership":"Includes the circular outline, its interior region, and the check mark, including the portion projecting beyond the circle. Excludes selection halos and other check-style examples.","id":"obj_011","temporal":{"status":"found","start_s":3.5,"end_s":15.25,"reference_s":13.75,"evidence":"目标是蓝色网格右上方的开口圆圈勾选图标，可连续追踪到独立展示及五种样式对比中的最左项。3.50秒首次完整进入画面；前一帧3.25秒仍被上边界裁切。最后合格帧为15.00秒，15.25秒该图标已变灰淡出。选择13.75秒作为关键帧，此时黑色圆形轮廓及伸出圆外的勾均清晰，与其他样式分离。","start_frame":84,"end_frame":366,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[86.5,423.1,176.1,583.3],"positive_points":[[128.6,429.6],[90.1,501.9],[131.8,575],[172.4,510.2],[152.6,487],[120.8,468.5]],"negative_points":[[312.5,500.9],[501.6,500.9],[683.3,500.9],[131.3,368.5]],"evidence":"目标是五种样式中最左侧的黑色开口圆环勾选图标。边界框紧贴圆形轮廓及勾号的完整可见范围；正点分布在圆环、勾号和按成员规则包含的内部区域，负点位于其他样式图标及目标上方的外部白色背景。"}},{"name":"Archive box icon","description":"A lidded storage box with a short horizontal handle, initially at the left of the second blue-grid row.","membership":"Includes the lid, box boundary, enclosed face, and handle marking.","id":"obj_012","temporal":{"status":"found","start_s":2.25,"end_s":5.5,"reference_s":2.75,"evidence":"目标是蓝色图标网格第二行左侧的收纳箱，具有独立箱盖、箱体轮廓和短横把手。2.25秒首次完整可见，虽有运动模糊但结构已齐全；5.25秒仍完整可见。前一帧2.00秒目标尚未进入画面，后一帧5.50秒已随网格左移离开画面。选择2.75秒作为关键帧，此时箱盖、箱体和把手清晰且无遮挡。","start_frame":54,"end_frame":132,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[77.6,229.6,131.3,317.6],"positive_points":[[86.5,234.3],[124.0,241.7],[104.2,265.7],[92.2,286.1],[116.7,286.1],[82.3,310.2]],"negative_points":[[65.1,268.5],[145.8,268.5],[104.2,203.7],[104.2,342.6]],"evidence":"目标是第二行左侧带盖和短横把手的收纳箱图标。边界框紧贴箱盖及箱体外缘；正点覆盖箱盖、边界、把手和所包含的箱体正面，负点位于图标四周的外部浅蓝背景。"}},{"name":"Halo smile icon","description":"A smiling round face with a halo above its forehead, next to the archive box.","membership":"Includes the facial circle and its enclosed area, eyes, smile, and halo.","id":"obj_013","temporal":{"status":"found","start_s":2.0,"end_s":5.75,"reference_s":2.75,"evidence":"目标是档案盒右侧的圆形笑脸，包含眼睛、笑嘴和额头上方的光环。2.00秒虽有运动模糊，但完整结构已出现；最后合格帧为5.50秒。前一帧1.75秒尚未完整进入画面，后一帧5.75秒已随图标网格移出左边界。选择2.75秒作为关键帧，笑脸和光环清晰完整，且与旁边档案盒的位置关系明确。","start_frame":48,"end_frame":138,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[202.6,221.3,260.9,316.7],"positive_points":[[229.7,225.9],[255.2,236.1],[207.8,272.2],[221.4,258.3],[241.7,258.3],[231.8,294.4]],"negative_points":[[104.2,268.5],[356.8,268.5],[231.8,194.4],[231.8,344.4]],"evidence":"目标位于归档箱右侧，是额头上带光环的圆形笑脸。边界框紧贴光环及完整脸部外轮廓；正点分布在光环、脸部轮廓、双眼和笑嘴上，负点位于左右其他图标及目标上下的外部背景。"}},{"name":"Left square checkbox icon","description":"An outlined square with an animated check mark, between the halo face and Facebook logo in the first grid.","membership":"Includes the square boundary and everything enclosed by it, including the check mark when visible.","id":"obj_014","temporal":{"status":"found","start_s":2.0,"end_s":5.75,"reference_s":3.25,"evidence":"目标是第一组图标中位于光环笑脸与 Facebook 标志之间的方形复选框，包含方框及内部变化的勾号。2.00 秒首次完整可见，虽有运动模糊，但方框结构已建立；此前 1.75 秒尚未进入画面。最后完整可见帧为 5.50 秒，5.75 秒向左移出时已被画面边缘裁切。选择 3.25 秒作为关键帧，因为方框与勾号清晰完整，且与相邻图标容易区分。","start_frame":48,"end_frame":138,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[333.9,227.8,382.8,314.8],"positive_points":[[337,233],[380,247],[369,310],[339,287],[353,280],[367,262]],"negative_points":[[235,270],[489,257],[357,199],[406,273]],"evidence":"目标位于光环笑脸与 Facebook 标志之间，是带勾选标记的方框。边界框紧贴方框外缘，包含边框及全部内部区域。六个正点分布在边框、勾选笔画和框内；负点位于左右相邻图标及方框上方、右侧的外部背景。"}},{"name":"Facebook icon","description":"A lowercase f inside a black circular outline, initially above the central plus icon.","membership":"Includes the circular boundary, enclosed area, and f glyph.","id":"obj_015","temporal":{"status":"found","start_s":2.0,"end_s":10.75,"reference_s":3.75,"evidence":"目标是黑色圆形边框内的小写 f，最初位于中央加号上方，并随图标网格持续移动。首个完整呈现帧为 2.00 秒，前一帧 1.75 秒仍被画面上边缘裁切；最后合格帧为 10.50 秒，下一帧 10.75 秒开始随网格淡出。选择 3.75 秒作为关键帧，此时圆框和 f 清晰完整，无遮挡且易于区分。","start_frame":48,"end_frame":258,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[463.02,212.96,516.15,307.41],"positive_points":[[489.58,218.52],[466.15,258.33],[511.46,260.19],[488.54,297.22],[483.33,250],[498.96,277.78]],"negative_points":[[489.58,175.93],[359.9,274.07],[616.67,277.78],[489.06,503.7]],"evidence":"目标是图像中央加号上方、圆圈内带小写 f 的 Facebook 图标。边界框紧贴完整圆形外缘；正点分布在圆周、内部区域及 f 字形上，负点位于上方外部背景和邻近的方框、卡片、加号图标处。"}},{"name":"Payment card icon","description":"A rounded rectangular bank card with small information marks, initially beside Facebook; it sometimes expands into two overlapping cards.","membership":"Includes the complete card or overlapping card stack, outer boundaries, enclosed faces, and printed marks.","id":"obj_016","temporal":{"status":"found","start_s":2.0,"end_s":10.75,"reference_s":3.25,"evidence":"目标是最初位于 Facebook 图标右侧、带信息短线和小方块的圆角银行卡，动画中变为两张重叠卡片。2.00 秒首次完整可见，虽有运动模糊，但卡片结构已齐全；前一帧 1.75 秒尚未显示完整卡片。最后合格帧为 10.50 秒，10.75 秒卡片随图标网格开始淡出。选择 3.25 秒作为关键帧，双卡外轮廓和印刷标记清晰，无遮挡。","start_frame":48,"end_frame":258,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[581.8,212,653.1,325.9],"positive_points":[[590.1,236.1],[634.9,228.7],[597.4,255.6],[628.6,271.3],[607.3,306.5],[643.8,308.3]],"negative_points":[[489.1,256.5],[749,261.1],[614.6,174.1],[619.3,362]],"evidence":"目标位于 Facebook 图标右侧、铃铛左侧，是两张重叠的银行卡。边界框覆盖完整卡片堆叠、外轮廓及印刷标记；正点分布于前后卡片的表面和标记，负点位于邻近的 Facebook、铃铛及卡片上下方的外部背景。"}},{"name":"Notification bell icon","description":"An outlined bell with a top knob and clapper, initially right of the payment card.","membership":"Includes the bell outline and enclosed body, top knob, lower rim, and clapper.","id":"obj_017","temporal":{"status":"found","start_s":2.25,"end_s":10.75,"reference_s":3.75,"evidence":"目标是付款卡片右侧带顶钮、下缘和铃舌的黑色轮廓通知铃铛，随后随同一图标网格移动。首个完整呈现帧为2.25秒；此前2.00秒铃铛靠近上边界，结构尚未完整显露。最后符合条件的帧为10.50秒，10.75秒图标网格开始整体淡出。选择3.75秒作为关键帧，铃铛轮廓清晰、完整且无遮挡。","start_frame":54,"end_frame":258,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[720.8,211.1,765.1,313.0],"positive_points":[[742.7,217.6],[729.2,247.2],[742.2,257.4],[757.3,268.5],[726.6,293.5],[743.2,307.4]],"negative_points":[[616.7,277.8],[865.6,269.4],[705.2,259.3],[744.8,342.6]],"evidence":"目标是支付卡图标右侧的通知铃铛。边界框紧贴顶部旋钮、铃身轮廓、下沿和铃舌；正点分布于这些部件及铃身内部，负点位于左侧支付卡、右侧麦克风和铃铛外部背景。"}},{"name":"Microphone mute icon","description":"An upright microphone on a stand, initially at the right of the second blue-grid row, with an animated prohibition badge.","membership":"Includes the microphone body, enclosed area, support and base, and its attached mute badge when visible.","id":"obj_018","temporal":{"status":"found","start_s":2.25,"end_s":10.75,"reference_s":3.25,"evidence":"目标是蓝色网格第二行右侧的立式麦克风，包含支架、底座及动画中出现的禁用徽章；随网格移动可持续追踪至粉色、黄色背景。首个完整帧为2.25秒，前一帧2.00秒尚未显示该麦克风。最后合格帧为10.50秒，10.75秒目标随网格开始淡出。选择3.25秒作为关键帧，麦克风及右下方禁用徽章清晰完整，便于区分其他麦克风图标。","start_frame":54,"end_frame":258,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[849.5,223.1,905.7,335.2],"positive_points":[[870,252],[852.6,280],[863.5,314.5],[901.7,306],[889.6,305.6],[889.6,329.6]],"negative_points":[[830,253],[924,304],[876,361],[747,256]],"evidence":"目标位于第二排右侧，是带圆形禁止徽章的直立麦克风。框覆盖麦克风本体及其内部、支架、底座和静音徽章；正点分布在这些组成部分上，负点位于外围背景及左侧独立铃铛上。"}},{"name":"Left three-dot indicator","description":"Three small animated circles at the left of the middle blue-grid row, below the archive box.","membership":"Includes the three individual circles and their enclosed areas, not the spaces between them.","id":"obj_019","temporal":{"status":"found","start_s":2.25,"end_s":5.5,"reference_s":3.75,"evidence":"目标是蓝色图标网格中档案盒正下方、折线箭头左侧的三个小圆圈。2.25秒首次三个圆圈均完整可见，之前2.00秒该组尚在画面左侧之外。最后符合条件的帧为5.25秒，5.50秒网格左移后该组已离开画面。选择3.75秒作为关键帧，此时三个圆圈轮廓清晰、无遮挡，且与上方档案盒的位置关系明确。","start_frame":54,"end_frame":132,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[82.8,477.8,140.1,501.9],"positive_points":[[88,490],[92,490],[109.5,490],[113.5,490],[131.5,490],[135.5,490]],"negative_points":[[73,490],[150,490],[111,462],[111,519]],"evidence":"目标是图像左侧中间一行、归档盒下方的三个小圆圈。边界框紧贴三个圆圈的整体可见范围；每个圆圈的内部各放置两个正点，符合包含封闭区域的要求。负点位于整组圆圈外侧的背景，不在圆圈内部或圈间空隙。"}},{"name":"Up-down chevron icon","description":"A large two-stroke chevron between the left three-dot indicator and dollar coin, repeatedly changing direction.","membership":"Includes only the joined angled strokes, preserving the open shape.","id":"obj_020","temporal":{"status":"found","start_s":2.0,"end_s":5.75,"reference_s":3.75,"evidence":"目标是三点指示器与美元硬币之间、由两条相连斜线构成的开放式折角，持续上下翻转。2.00秒首次完整入画，虽有运动模糊但两条笔画已完整；此前1.75秒仍在画面外。最后合格帧为5.50秒，5.75秒已随图标阵列左移离开画面。选择3.75秒作为关键帧，此时向下折角清晰完整，与左右邻近图标容易区分。","start_frame":48,"end_frame":138,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[213,459,271,516],"positive_points":[[216.7,465.7],[226.6,483.3],[236.5,500.9],[244.8,505.6],[255.2,487],[266.7,466.7]],"negative_points":[[111.5,489.8],[363,496.3],[241.7,564.8],[241.7,416.7]],"evidence":"目标是左侧三点指示符与右侧美元硬币之间的向下折角。边界框紧贴两条相连斜线；六个正点分布在两侧笔画上，四个负点位于邻近三点、美元图标及折角上方和下方的外部背景，不标记折角内部空隙。"}},{"name":"Windy sun icon","description":"A partial sun with rays and horizontal wind streaks, initially to the right of the fullscreen brackets.","membership":"Includes the sun outline and enclosed portion, rays, and wind strokes. Open gaps remain excluded.","id":"obj_021","temporal":{"status":"found","start_s":2.0,"end_s":9.5,"reference_s":3.75,"evidence":"目标是最初位于全屏括号右侧、由半个太阳轮廓、光芒和水平风线组成的图标。2.00秒首次完整可见，虽有运动模糊但结构已齐全；此前1.75秒尚未出现在画面内。此后随图标网格移动，9.25秒仍完整可见，9.50秒开始被画面下边缘裁切，因此结束于9.50秒。选择3.75秒作为关键帧，图标清晰完整，与附近图标容易区分。","start_frame":48,"end_frame":228,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[715.6,438.9,773.4,540.7],"positive_points":[[744.8,446.3],[762.5,459.3],[754.2,475.9],[747.9,488.0],[723.4,481.5],[732.3,513.0]],"negative_points":[[692.7,489.8],[789.6,490.7],[744.8,574.1],[744.8,398.1]],"evidence":"目标位于全屏方括号右侧，是带水平风线的半太阳图标。边界框紧贴太阳轮廓、光芒和风线的整体范围；正点分布于光芒、太阳轮廓及其包围部分和风线，负点位于图标四周的外部背景，避开内部空隙。"}},{"name":"Victory hand icon","description":"An outlined hand holding up two fingers, initially at the right of the middle blue-grid row.","membership":"Includes the complete hand silhouette, enclosed area, and internal finger and palm lines.","id":"obj_022","temporal":{"status":"found","start_s":2.25,"end_s":9.5,"reference_s":3.75,"evidence":"目标是蓝色网格中间行右侧的双指 V 形手势，包含完整手部轮廓及手指、掌心内线。2.25 秒首次完整可见，随后随网格移动，至 9.25 秒仍完整呈现；前一帧 2.00 秒尚未出现在画面内，后一帧 9.50 秒手部已被画面底边裁切。选择 3.75 秒作为关键帧，手势轮廓清晰、无遮挡，易与其他图标区分。","start_frame":54,"end_frame":228,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[848.4,435.2,893.2,544.4],"positive_points":[[856.3,466.7],[868.8,456.5],[876.6,480.6],[886.5,486.1],[859.4,511.1],[880.2,521.3]],"negative_points":[[833.3,486.1],[906.3,490.7],[869.8,407.4],[869.8,572.2]],"evidence":"目标是图像中间一行右侧伸出两根手指的胜利手势。边界框紧贴完整手形，包含指尖、掌部轮廓及内部线条；六个正点分布在手指和手掌的线条或封闭区域内，四个负点位于手形外侧的浅蓝色背景。"}},{"name":"High-volume speaker icon","description":"An outlined speaker with several radiating sound arcs, initially at the left of the fourth blue-grid row.","membership":"Includes the speaker body and enclosed area and each sound arc. Excludes the open spaces between arcs.","id":"obj_023","temporal":{"status":"found","start_s":2.0,"end_s":5.5,"reference_s":2.75,"evidence":"目标是蓝色网格第四行左侧、带多条声波弧线的轮廓扬声器，区别于右邻的低音量图标。2.00秒时扬声器主体和声波弧线已完整可见，虽有运动模糊仍符合条件；1.75秒该位置仅有未完整显现的局部。最后符合帧为5.25秒，5.50秒目标已随网格左移离开画面。选择2.75秒作为关键帧，主体和多条声波清晰且无遮挡。","start_frame":48,"end_frame":132,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[79.7,677.0,133.9,767.6],"positive_points":[[93.8,722.2],[81.8,719.4],[102.1,690.7],[113.5,722.2],[121.4,713.0],[130.2,732.4]],"negative_points":[[64.6,722.2],[145.3,722.2],[104.2,648.1],[227.1,722.2]],"evidence":"目标是第四行左侧带三道声波弧线的高音量扬声器，与右侧较少声波的图标区分。框紧贴扬声器主体和全部声波弧线；正点分布在主体轮廓、封闭内部及各声波弧线上，负点位于外围背景和右侧低音量图标上。"}},{"name":"Low-volume speaker icon","description":"A second speaker immediately right of the high-volume example, showing fewer sound arcs.","membership":"Includes this speaker body and enclosed area and its sound arcs, excluding intervening background.","id":"obj_024","temporal":{"status":"found","start_s":2.0,"end_s":5.75,"reference_s":3.75,"evidence":"目标是高音量喇叭右侧、REC 图标左侧的低音量喇叭，包含喇叭主体及较少的声波弧线。2.00 秒首次完整可见，虽有运动模糊但结构已建立；此前 1.75 秒尚未完整呈现。最后符合条件的是 5.50 秒，5.75 秒已移出左侧画面。选择 3.75 秒作为关键帧，此时轮廓清晰，且可与左侧声波更多的喇叭明确区分。","start_frame":48,"end_frame":138,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[219.3,673.1,263.6,761.1],"positive_points":[[224.5,717.6],[234.4,713.0],[240.6,738.9],[252.6,716.7],[260.4,707.4],[260.4,729.6]],"negative_points":[[101.6,717.6],[335.4,717.6],[281.3,717.6],[234.4,638.9]],"evidence":"目标是图中第四行、高音量扬声器右侧的低音量扬声器。框紧贴扬声器主体及两条较少的声波弧线；正点分布在主体及其封闭内部、声波笔画上，负点位于左侧高音量图标、右侧录制图标及目标外部背景。"}},{"name":"Recording indicator","description":"A rectangular badge reading “REC” with a preceding dot, initially left of the Messenger icon.","membership":"Includes the rectangular frame, enclosed surface, dot, and “REC” text.","id":"obj_025","temporal":{"status":"found","start_s":2.5,"end_s":5.75,"reference_s":2.75,"evidence":"目标是 Messenger 图标左侧、包含圆点和“REC”的矩形录制徽章。2.50 秒首次完整清晰呈现，随后文字闪烁属于内部内容变化，矩形徽章持续存在；最后合格帧为 5.50 秒。此前 2.25 秒的文字仍呈浅灰色、处于初始显现阶段；之后 5.75 秒徽章移出左边界并被裁切。选择 2.75 秒作为关键帧，边框、圆点和文字清晰且无遮挡。","start_frame":60,"end_frame":138,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[323.4,689.8,390.6,754.6],"positive_points":[[326,723],[357,694],[337,722],[350,723],[376,722],[361,742]],"negative_points":[[308,722],[407,722],[357,663],[357,782]],"evidence":"目标是 Messenger 图标左侧带圆点和“REC”字样的矩形录制标识。边界框紧贴完整矩形外框，包含内部表面、圆点及文字；正点分布在外框、圆点、文字和内部表面，负点位于标识四周的外部背景。"}},{"name":"Lower WhatsApp icon","description":"A handset in a speech bubble to the right of Messenger in the fourth blue-grid row, distinct from the upper-row example.","membership":"Includes the entire bubble outline, tail, enclosed area, and handset.","id":"obj_026","temporal":{"status":"found","start_s":2.0,"end_s":8.5,"reference_s":3.75,"evidence":"目标是蓝色网格第四行、Messenger 右侧的 WhatsApp 图标，包含气泡轮廓、尾部和听筒，与上排同类图标区分。2.00 秒首次完整可见，虽有运动模糊但结构已齐全；此前 1.75 秒仅见局部弧线。该图标随后随网格移动，8.25 秒仍完整，8.50 秒开始被画面底边裁切，故最后合格帧为 8.25 秒。选择 3.75 秒作为关键帧，图标清晰完整且邻接关系明确。","start_frame":48,"end_frame":204,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[587.5,663,640.6,757.4],"positive_points":[[614.6,667.6],[590.6,703.7],[590.6,747.2],[607.8,697.2],[619.3,725],[632.3,706.5]],"negative_points":[[488.5,714.8],[738.5,709.3],[614.6,637],[653.1,743.5]],"evidence":"目标位于第四行、Messenger 右侧，是下方的 WhatsApp 图标。边界框紧贴完整气泡轮廓及尾部；正点分布在轮廓、尾部、听筒和气泡内部，负点位于左侧 Messenger、右侧 Wi-Fi 及图标外部背景。"}},{"name":"Wi-Fi icon","description":"Stacked curved signal bands over a small pointed base, initially between the lower WhatsApp icon and windy cloud.","membership":"Includes the visible signal bands and base only; gaps and surrounding background are excluded.","id":"obj_027","temporal":{"status":"found","start_s":2.5,"end_s":8.5,"reference_s":3.75,"evidence":"目标是下方 WhatsApp 图标与风云图标之间、由弧形信号带和尖形底点组成的 Wi-Fi 图标。2.25 秒仅露出底部小片段，2.5 秒首次完整呈现；随后信号带循环收缩、展开，并随网格移动。最后完整可见帧为 8.25 秒，8.5 秒已随网格移出下边界。选择 3.75 秒作为关键帧，图标完整清晰，与相邻图标分离。","start_frame":60,"end_frame":204,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[710.4,682.4,766.7,753.7],"positive_points":[[713.5,703.7],[762.5,703.7],[724.5,712.0],[738.5,705.6],[740.1,725.9],[738.5,746.3]],"negative_points":[[687.5,722.2],[783.9,722.2],[738.5,648.1],[738.5,787.0]],"evidence":"目标位于下方 WhatsApp 图标与风云图标之间，由三层弧形信号带和小尖底组成。边界框紧贴全部可见信号笔画；六个正点分布在各层弧带和尖底上，四个负点位于图标外侧背景，避开内部间隙。"}},{"name":"Windy cloud icon","description":"A cloud outline with animated curling wind strokes, initially at the right of the fourth blue-grid row.","membership":"Includes the cloud boundary and enclosed area and the associated wind strokes extending below it.","id":"obj_028","temporal":{"status":"found","start_s":2.5,"end_s":8.5,"reference_s":3.75,"evidence":"目标是蓝色图标网格第四行右侧的云朵轮廓及其下方卷曲风线，随后随网格连续移动到粉色区域。2.50秒首次完整呈现；此前2.25秒云朵及风线仍在初始显现中。最后符合条件的帧为8.25秒，8.50秒目标随网格下移而被画面底边裁切。选择3.75秒作为关键帧，云朵与风线清晰完整，且与相邻图标容易区分。","start_frame":60,"end_frame":204,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[828.1,666.7,899,768.5],"positive_points":[[860,691],[836,720],[887,721],[860,725],[874,762],[852,755]],"negative_points":[[812,722],[911,722],[865,800],[867,632]],"evidence":"目标位于第四排右侧，是带卷曲风线的云朵图标。边界框紧贴云朵轮廓及下方延伸的风线；正点分布在云内区域、轮廓和卷曲风线上，负点位于图标四周��外部浅蓝背景。"}},{"name":"Sun icon","description":"A circular sun with separated rays at the lower-left of the blue grid.","membership":"Includes the central circle and enclosed area and the individual rays, excluding the gaps between them.","id":"obj_029","temporal":{"status":"found","start_s":2.75,"end_s":5.5,"reference_s":3.75,"evidence":"目标是蓝色网格左下方由圆环和分离光芒组成的太阳，区别于右侧带地平线的太阳。首个完整帧为2.75秒；2.50秒底部光芒仍被画面下缘裁切。最后完整帧为5.25秒，5.50秒目标已随网格左移离开画面。选择3.75秒作为关键帧，太阳轮廓清楚、光芒完整且无遮挡。","start_frame":66,"end_frame":132,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[83.9,884.3,141.2,987.0],"positive_points":[[112.5,935.2],[112.0,893.5],[88.5,935.2],[136.0,935.2],[112.5,977.8],[129.2,906.5]],"negative_points":[[75.0,860.0],[155.0,934.0],[239.0,916.0],[112.0,810.0]],"evidence":"目标是蓝色网格左下方、圆心周围带分离光芒的太阳图标。边界框紧贴中心圆及全部独立光芒；正点分布于圆内和多方向光芒上，负点位于外围背景及右侧另一太阳图标上，未标注内部间隙。"}},{"name":"Sunrise icon","description":"A sun with rays above a horizontal horizon line, beside the lower-left sun icon.","membership":"Includes the sun boundary and enclosed area, rays, and horizon stroke. Excludes open background between these elements.","id":"obj_030","temporal":{"status":"found","start_s":2.5,"end_s":5.75,"reference_s":3.75,"evidence":"目标是图标网格底部、左下方太阳图标右侧的日出图标，由太阳轮廓、光芒和水平地平线组成。2.50秒首次完整可见，随后太阳升降的动画仍属于同一图标；5.50秒是最后一个完整可见帧。此前2.25秒图标被画面下缘裁切，此后5.75秒已随网格左移离开画面。选择3.75秒作为关键帧，此时太阳、光芒和地平线清晰且无遮挡。","start_frame":60,"end_frame":138,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[215.1,873.1,263.5,971.3],"positive_points":[[239,918],[239.5,879.5],[218,916.5],[261,916.5],[239.5,952],[235,967]],"negative_points":[[112,935],[204,894],[278,931],[241,989]],"evidence":"目标位于图像底部、左下方普通太阳图标的右侧，由太阳、放射线及下方水平地平线组成。边界框紧贴全部射线和地平线；正点分布于太阳内部、各方向射线和地平线，负点位于外围背景及左侧独立太阳图标上。"}},{"name":"Battery icon","description":"An outlined horizontal battery with a terminal, initially in the bottom row below “REC,” animated with a diagonal disabling stroke.","membership":"Includes the battery casing, enclosed area, terminal, and disabling stroke when present.","id":"obj_031","temporal":{"status":"found","start_s":2.5,"end_s":5.75,"reference_s":3.25,"evidence":"目标是“REC”下方的横向电池图标，包含外框、端子及动画中出现的斜向禁用线。首个完整帧为2.50秒，2.25秒时仍被画面下边缘裁切；最后完整帧为5.50秒，5.75秒时随图标网格左移而被左边缘裁切。选择3.25秒作为关键帧，此时电池外框、端子和禁用斜线清晰完整，便于与邻近图标区分。","start_frame":60,"end_frame":138,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[330.2,893.5,391.1,1000],"positive_points":[[336.5,944.4],[370.8,930.6],[374,970.4],[386,947.2],[334.9,902.8],[384.9,990.7]],"negative_points":[[310,960],[411,960],[361,867],[430,883]],"evidence":"目标位于图像底行偏左，是带右侧端子的横向电池，叠有从左上到右下的禁用斜线。边界框紧贴电池外壳、端子及斜线的可见范围。正点分布在外壳、所包含的内部区域、端子和斜线上；负点位于目标左右及上方的外部背景。"}},{"name":"Vibrating phone icon","description":"An upright rectangular mobile phone with a small lower button and animated vibration arcs, initially below the lower WhatsApp icon.","membership":"Includes the phone boundary, enclosed screen and body, lower button, and vibration arcs. Excludes spaces between the phone and arcs.","id":"obj_032","temporal":{"status":"found","start_s":2.75,"end_s":7.75,"reference_s":3.25,"evidence":"目标是下方 WhatsApp 图标下面的竖直手机，具有矩形机身、底部小按钮及周期出现的振动弧线。首个完整呈现帧为2.75秒，最后合格帧为7.50秒；此前2.50秒手机底部仍被画面边缘裁切，此后7.75秒手机随图标网格下移，底部再次被裁切。选择3.25秒作为关键帧，手机轮廓、按钮和右侧振动弧线清楚且无遮挡。","start_frame":66,"end_frame":186,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[593.8,900,650.5,997.2],"positive_points":[[614.6,907.4],[603.7,932.4],[621.9,963],[612.5,979.6],[637,949.1],[647.4,948.1]],"negative_points":[[577,941],[667,948],[613,860],[729,941]],"evidence":"目标位于图像底部、下方 WhatsApp 图标的正下方，是带底部小按钮及右侧振动弧线的手机。边界框紧贴手机和振动弧线的可见范围；正点覆盖手机边框、内部机身、按钮和两条弧线，负点位于外围背景及右侧独立图标上。"}},{"name":"First circular play icon","description":"A triangular playback symbol inside a circle, initially in the bottom blue-grid row beneath Wi-Fi.","membership":"Includes the circular boundary and enclosed area and the animated triangle within it.","id":"obj_033","temporal":{"status":"found","start_s":2.5,"end_s":7.75,"reference_s":3.75,"evidence":"目标是蓝色图标网格底行、Wi-Fi正下方的圆形播放图标，包含圆框及内部变化的三角形。2.50秒首次完整进入画面；此前2.25秒仍被底边裁切。随后可连续追踪其随网格移动，最后完整帧为7.50秒，7.75秒随网格下移开始被底边裁切。选择3.75秒作为关键帧，此时圆框和向右播放三角形清晰完整，且与邻近图标易于区分。","start_frame":60,"end_frame":186,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[716.7,888.9,769.8,983.3],"positive_points":[[724,920.4],[742.7,896.3],[764.1,935.2],[743.2,973.1],[736.5,915.7],[751.6,935.2]],"negative_points":[[738.5,717.6],[611.5,939.8],[785.9,930.6],[697.9,963]],"evidence":"目标是底部一行、Wi-Fi 图标正下方的圆形播放按钮。边界框紧贴完整圆形外缘，覆盖圆内区域及三角播放符号；正点分布在圆周、内部和三角形上，负点位于上方 Wi-Fi、左侧手机图标及按钮外的背景。"}},{"name":"Microphone playback icon","description":"A second microphone in the bottom blue-grid row, beneath the muted-microphone example, with an animated triangular badge.","membership":"Includes the microphone body, enclosed area, stand, base, and attached triangular badge when present.","id":"obj_034","temporal":{"status":"found","start_s":2.5,"end_s":8.0,"reference_s":3.25,"evidence":"目标是蓝色图标网格底行、静音麦克风下方的第二个麦克风，包含支架、底座及随动画出现的三角徽标。2.50秒首次完整呈现，前一帧2.25秒仍被画面下缘裁切；随网格平移持续可见至7.75秒，8.00秒已移出下缘。选择3.25秒作关键帧，麦克风及右下方三角徽标清晰完整，易与上方静音麦克风区分。","start_frame":60,"end_frame":192,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[849.5,892.6,906.3,1000],"positive_points":[[869.8,918.5],[863.5,953.7],[852.6,946.3],[863,984.3],[890.6,959.3],[878.6,983.3]],"negative_points":[[874,252],[869.8,674.1],[927.1,944.4],[812.5,935.2]],"evidence":"目标位于最底行右侧、静音麦克风图标下方，是带播放三角徽标的麦克风。框覆盖麦克风主体、内部、支架、底座及徽标等全部可见部分，下缘止于图像边界。正点分布在主体、支架、底座和三角徽标上；负点位于上方其他图标及左右外部背景。"}},{"name":"Rainbow icon","description":"Three nested arch strokes that enter along the lower-right edge of the blue grid and remain visible as the background turns pink.","membership":"Includes the three arch strokes only. The open lower edge and spaces between arches are excluded.","id":"obj_035","temporal":{"status":"found","start_s":5.0,"end_s":5.25,"reference_s":5.0,"evidence":"目标是蓝色图标网格右下方的三重嵌套拱线。5.00秒三条拱线首次完整位于画面内，也是本段最后的完整帧；前一帧4.75秒仍被右边界裁切，后一帧5.25秒拱线已开始擦除、变得不完整。选择5.00秒作为关键帧，轮廓清楚且无遮挡。","start_frame":120,"end_frame":126,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[934.4,878.7,995.3,962.0],"positive_points":[[964.6,882.4],[936.9,945.4],[964.6,898.1],[984.4,944.4],[964.6,913.9],[954.2,944.4]],"negative_points":[[916,920],[963,846],[962,986],[841,927]],"evidence":"目标是右下角跨越浅蓝与粉色背景的三重拱形彩虹图标。边界框紧贴三条拱线的可见范围；六个正点分布在各拱线顶部及侧边，四个负点位于图标外部背景和左侧独立麦克风图标上，未标注拱线之间的空隙。"}},{"name":"Right square checkbox icon","description":"A second animated square checkbox, first visible along the upper-right edge of the blue grid and later fully visible in the pink grid's top row.","membership":"Includes this square frame and its enclosed area, with the check mark or partial animated strokes inside.","id":"obj_036","temporal":{"status":"found","start_s":5.0,"end_s":10.75,"reference_s":7.25,"evidence":"目标是蓝色网格右上缘的第二个方形复选框，随后连续移动到粉色网格顶行，再进入黄色区域；方框内勾号或短线的变化不改变其身份。5.00秒首次完整显示，前一帧4.75秒右侧仍被画面边缘裁切。最后合格帧为10.50秒，10.75秒方框随网格开始淡出。选择7.25秒作为关键帧，此时目标位于粉色网格顶行，方框轮廓清晰��无遮挡。","start_frame":120,"end_frame":258,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[459.4,58.3,503.1,136.1],"positive_points":[[462.0,80.0],[478.6,62.0],[500.5,107.4],[478.1,132.4],[471.4,88.0],[489.6,113.0]],"negative_points":[[440.0,97.0],[481.8,171.3],[369.0,111.0],[588.5,122.2]],"evidence":"目标是粉色网格顶行、圆形勾选图标右侧的空心方框。边界框紧贴完整方框；按成员规则，正点覆盖方框边缘及其包围的内部区域。负点位于框外背景和两侧独立的勾选图标上。"}},{"name":"Right alert icon","description":"A second circular exclamation icon entering at the right side of the blue grid, later between the microphone and camera in the pink grid.","membership":"Includes the exclamation mark and animated circular boundary, with the interior of a completed ring. Excludes adjacent icons.","id":"obj_037","temporal":{"status":"found","start_s":5.0,"end_s":10.75,"reference_s":7.25,"evidence":"目标是从蓝色网格右侧进入、随后位于麦克风与相机之间的圆形感叹号，区别于上排的另一枚警示图标。5.00秒首次完整呈现；前一帧4.75秒圆环仍被右边界裁切。之后随网格移动，圆环与感叹号持续循环变化，最后合格帧为10.50秒；10.75秒随网格开始淡出。选择7.25秒作为关键帧，此时圆环和感叹号完整清晰，邻接关系明确且无遮挡。","start_frame":120,"end_frame":258,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[453.6,247.2,505.2,339.8],"positive_points":[[456.1,293.5],[479.2,251.4],[502.2,293.5],[479.2,335.2],[479.2,284.3],[479.2,311.1]],"negative_points":[[367.2,291.7],[593.8,296.3],[144.8,93.5],[525,379.6]],"evidence":"目标是粉色网格第二行、麦克风与相机之间的圆形感叹号，而非左上方的同类图标。框紧贴完整圆环的外缘，涵盖感叹号及环内区域；正点分布在圆环四周和感叹号上，负点位于相邻麦克风、相机、左上方另一警告图标及外部背景。"}},{"name":"Middle three-dot indicator","description":"A three-dot animation entering to the right of the victory hand, later centered between that hand and the raised-palm icon.","membership":"Includes its three circles and their enclosed areas, excluding the intervening spaces.","id":"obj_038","temporal":{"status":"found","start_s":5.0,"end_s":10.75,"reference_s":7.25,"evidence":"目标是胜利手势右侧、随后位于胜利手势与竖掌图标之间的三个圆点。5.00秒首次三个圆点均完整进入画面；此前4.75秒最右圆点仍被右边界裁切。此后三点持续随图标网格移动并改变大小，最后合格帧为10.50秒；10.75秒开始随网格淡出。选择7.25秒作为关键帧，三点位于画面中部，完整清晰且两侧手势便于辨认。","start_frame":120,"end_frame":258,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[458.3,480.6,505.7,500.9],"positive_points":[[460.4,490.7],[462,490.7],[479.2,490.7],[482.8,490.7],[499,490.7],[502.1,490.7]],"negative_points":[[481,450],[481,530],[375,491],[595,491]],"evidence":"目标是图像中部、胜利手势右侧与竖掌图标之间的三点指示器。边界框紧贴三个圆的整体外缘；六个正点分布在三个圆及其内部，负点位于目标上下方的外部背景和两侧手势图标上，不标记圆间空隙。"}},{"name":"Wind icon","description":"Three horizontal strokes with curled ends, entering at the right of the blue grid beside the windy cloud.","membership":"Includes only the wind strokes and curls, following their open outlines.","id":"obj_039","temporal":{"status":"found","start_s":5.0,"end_s":5.5,"reference_s":5.0,"evidence":"目标是蓝色图标网格中、风云图标右侧的三条带卷曲末端的风线。5.00秒首次完整进入画面，5.25秒仍完整可见；此前4.75秒右端被画面边缘裁切，之后5.50秒风线已收缩、擦除为零碎短线。选择5.00秒作关键帧，轮廓清晰且与旁边的风云图标容易区分。","start_frame":120,"end_frame":132,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[939.1,656.5,991.2,748.1],"positive_points":[[947.9,683.3],[978.1,662.0],[963.5,702.8],[988.0,715.7],[946.4,721.3],[953.1,741.7]],"negative_points":[[921.9,698.1],[963.5,625.0],[963.5,781.5],[843.8,692.6]],"evidence":"目标位于蓝色网格最右侧、带风云朵图标右边，由三条横向风线及卷曲末端组成。边界框紧贴全部风线与卷曲部分；六个正点分布在横线和卷端的黑色笔画上，负点位于外围背景及左侧独立云朵图标上。"}},{"name":"Standalone check icon","description":"An unframed check mark in the top row of the pink grid, immediately right of the second square checkbox.","membership":"Includes only the check-mark strokes, including their visible animated portions. Excludes neighboring dots and background.","id":"obj_040","temporal":{"status":"found","start_s":6.0,"end_s":6.25,"reference_s":6.0,"evidence":"目标是粉色网格顶行中、第二个方形复选框右侧的无边框勾号，不含右侧圆点。6.00秒勾号两段笔画完整，是本段首次及最后一个合格采样帧；前一帧5.75秒仅显示尚未完整展开的短勾，后一帧6.25秒已开始擦除，仅剩斜线。选择6.00秒作为关键帧，因为形状完整清楚、无遮挡，易与相邻复选框区分。","start_frame":144,"end_frame":150,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[612.5,41.7,671.4,115.0],"positive_points":[[616.1,84.3],[623.4,97.2],[630.7,108.3],[641.7,91.7],[653.1,72.2],[665.1,50.0]],"negative_points":[[598.9,129.6],[681.3,101.9],[520.8,44.4],[754.2,80.6]],"evidence":"目标是粉色网格顶行、空心方框右侧的独立对勾。边界框紧贴对勾的两段可见笔画；六个正点沿短斜笔及右上长斜笔分布，负点位于外部背景、左侧方框及右侧圆点上。"}},{"name":"Upper pink-grid three-dot indicator","description":"Three animated dots in the pink grid's top row between the standalone check and a WhatsApp bubble.","membership":"Includes the individual dots and their enclosed regions, excluding spaces between them.","id":"obj_041","temporal":{"status":"found","start_s":5.75,"end_s":10.75,"reference_s":6.0,"evidence":"目标是粉色网格顶行中、独立对勾与 WhatsApp 气泡之间的三个动画圆点。5.75 秒首次完整进入画面；前一帧 5.50 秒仍在右边缘被裁切。此后三点随网格移动，最后合格帧为 10.50 秒；10.75 秒网格及圆点开始淡出。选择 6.00 秒作为关键帧，三点轮廓清晰、无遮挡，且左右相邻图标便于确认身份。","start_frame":138,"end_frame":258,"reference_frame":144},"grounding":{"status":"found","bbox_xyxy":[728.6,69.4,780.7,92.6],"positive_points":[[732.8,78.7],[734.9,83.3],[752.6,76.9],[755.7,84.3],[774.0,78.7],[776.6,83.3]],"negative_points":[[754.2,41.7],[754.2,120.4],[713.5,80.6],[794.8,80.6]],"evidence":"目标位于粉色网格顶行，在独立对勾与 WhatsApp 气泡之间。边界框紧贴三个圆点的整体可见范围；每个圆点及其包围区域各放置两个正点，四个负点位于整体上、下、左、右的外部背景，避开圆点间隙。"}},{"name":"Pink-grid WhatsApp icon","description":"A third handset speech bubble in the top pink-grid row, to the right of the upper three-dot indicator.","membership":"Includes the bubble outline, tail, enclosed area, and handset.","id":"obj_042","temporal":{"status":"found","start_s":5.75,"end_s":10.75,"reference_s":7.25,"evidence":"目标是粉色网格顶行、上方三点指示符右侧的 WhatsApp 图标，包含带尾气泡轮廓及内部听筒。5.75 秒首次完整进入画面；5.50 秒尚未出现完整目标。它随网格平移并延续到黄色背景，最后合格帧为 10.50 秒；10.75 秒已开始整体淡出。选择 7.25 秒作为关键帧，此时目标轮廓清晰、无遮挡，且在粉色顶行中易于区分。","start_frame":138,"end_frame":258,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[795.83,44.44,843.75,129.63],"positive_points":[[820.31,49.07],[803.65,70.37],[813.54,81.48],[825,99.07],[838.02,93.52],[798.96,121.3]],"negative_points":[[725.52,97.22],[919.27,94.44],[781.25,87.96],[817.71,162.04]],"evidence":"目标是粉色网格首行、上方三点指示符右侧的 WhatsApp 电话气泡。边界框紧贴气泡轮廓及左下尾部，包含内部区域和听筒。六个正点分布于轮廓、听筒和尾部；四个负点位于左右的三点图标及气泡外的粉色背景。"}},{"name":"Far-right three-dot indicator","description":"Another three-dot animation at the far right of the pink grid's top row, beyond the third WhatsApp icon.","membership":"Includes only this set of three circles and their enclosed areas.","id":"obj_043","temporal":{"status":"found","start_s":6.25,"end_s":8.5,"reference_s":7.25,"evidence":"目标是粉色网格顶行、第三个 WhatsApp 图标右侧最靠右的一组三个空心圆点。6.25 秒首次三个圆点均完整入画；此前 6.00 秒该组仍被右边界裁切。最后符合条件的是 8.25 秒，8.50 秒随网格移动，最右圆点开始被画面右缘裁切。选择 7.25 秒作为关键帧，此时三点清晰完整，且与左侧另一组三点容易区分。","start_frame":150,"end_frame":204,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[913.02,79.63,963.54,105.56],"positive_points":[[919.27,93.52],[919.27,100],[938.54,93.52],[941.67,93.52],[957.29,89.81],[960.42,89.81]],"negative_points":[[895.83,92.59],[979.17,92.59],[937.5,55.56],[937.5,134.26]],"evidence":"目标是顶行最右侧、WhatsApp 图标右边的三个小圆圈。边界框紧贴这组三圆的整体外缘；每个圆内放置两个正点，包含其封闭内部。四个负点位于目标左、右、上、下的外部粉色背景，避开圆圈边缘及圈内空白。"}},{"name":"Camera icon","description":"An outlined camera with a circular lens, introduced in the pink grid and animated with a diagonal camera-off stroke. A gray highlight briefly appears behind it.","membership":"Includes the camera body boundary and enclosed area, lens, small camera detail, and disabling stroke when visible. Excludes the gray highlight.","id":"obj_044","temporal":{"status":"found","start_s":5.5,"end_s":10.75,"reference_s":7.25,"evidence":"目标是粉色图标网格中带圆形镜头的轮廓相机，动画中出现斜向禁用线，7.50秒附近背后出现灰色高亮（不属于目标）。首个合格帧为5.50秒，相机结构已完整可见，虽在移动但未被裁切；前一帧5.25秒尚未进入画面。最后合格帧为10.50秒，10.75秒相机随网格开始淡出。选择7.25秒为关键帧，相机轮廓与镜头清晰，无高亮遮扰。","start_frame":132,"end_frame":258,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[567.7,257.4,619.3,328.7],"positive_points":[[588.5,261.1],[569.8,291.7],[588.5,324.1],[617.2,299.1],[593.2,279.6],[577.6,278.7]],"negative_points":[[590,235],[634,290],[592,350],[551,294]],"evidence":"目标是第二行偏右的相机图标，具有机身轮廓、圆形镜头和左上小圆点。边界框紧贴整个相机；当前未见禁用斜线或灰色高亮。正点分布在机身边界、镜头及小圆点上，负点位于图标四周的外部粉色背景。"}},{"name":"Closed-eye smiling face icon","description":"A round face with curved closed eyes and a small smile, beside the camera in the pink grid.","membership":"Includes the circular face boundary, enclosed area, eyes, and mouth.","id":"obj_045","temporal":{"status":"found","start_s":5.75,"end_s":10.75,"reference_s":7.25,"evidence":"目标是粉色图标网格中相机右侧的圆形笑脸，含弯曲闭眼和小微笑。5.75秒首次完整可见，虽在移动但结构已齐全；此前5.50秒仍被右侧画面边界裁切。随网格移动及背景转黄持续出现，最后合格帧为10.50秒；10.75秒开始随网格淡出。选择7.25秒为关键帧，此时轮廓清晰、无遮挡，且与左侧相机及下方另一笑脸易于区分。","start_frame":138,"end_frame":258,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[683.9,250.9,731.3,336.1],"positive_points":[[707.3,254.6],[707.8,331.5],[687.5,296.3],[699.5,286.1],[716.1,286.1],[706.8,310.2]],"negative_points":[[593.8,296.3],[817.7,295.4],[707.3,222.2],[702.1,691.7]],"evidence":"目标是第二行相机右侧的闭眼微笑圆脸。边界框紧贴整个圆形脸部，包含外轮廓、内部、双眼和小嘴。正点分布在圆周、眼睛和嘴部；负点位于上方外部背景、相机、书本及下方另一个笑脸处。"}},{"name":"Open book icon","description":"An outlined open book in the pink grid, animated with a turning page.","membership":"Includes the complete book boundary, enclosed pages, center fold, and turning page.","id":"obj_046","temporal":{"status":"found","start_s":5.75,"end_s":10.75,"reference_s":7.25,"evidence":"目标是粉色图标网格中的翻页书本，具有完整外轮廓、左右书页和中央折线，并随网格连续移动至黄色区域。5.75秒首次完整入画，前一帧5.50秒尚未出现完整书本；10.50秒是最后合格帧，10.75秒书本随网格开始淡出。选择7.25秒作为关键帧，此时书本轮廓清晰、无遮挡，易与邻近图标区分。","start_frame":138,"end_frame":258,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[791.7,254.6,843.8,335.2],"positive_points":[[798,275],[810,295],[825,276],[836,296],[818,315],[831,324]],"negative_points":[[780,293],[855,296],[817,234],[818,355]],"evidence":"目标是第二行右侧、笑脸与书签之间的打开书本图标。边界框紧贴完整书本外轮廓，涵盖两侧页面和中央折线；正点分布在左右页面及中缝，负点位于书本四周的粉色外部背景。"}},{"name":"Bookmark icon","description":"A vertical ribbon with a notched lower edge at the right of the pink grid, alternating between outline and filled forms.","membership":"Includes the ribbon silhouette and its enclosed area and internal marking when present, preserving the lower notch.","id":"obj_047","temporal":{"status":"found","start_s":6.25,"end_s":8.5,"reference_s":7.25,"evidence":"目标是粉色图标网格右侧、底部带V形缺口的竖直书签，在空心、实心及带内部标记的形态之间变化。6.25秒首次完整显示，8.25秒为最后完整帧；此前6.00秒仍被画面右边界裁切，之后8.50秒随网格移动再次被右边界裁切。选择7.25秒作关键帧，此时空心书签轮廓及下部缺口清晰，无遮挡。","start_frame":150,"end_frame":204,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[925.5,261.1,961.5,342.6],"positive_points":[[931,270],[952,270],[937,289],[955,300],[929,330],[959,330]],"negative_points":[[911,299],[977,300],[943,361],[942,240]],"evidence":"目标位于粉色网格第二行最右侧，是底部带V形缺口的竖直书签。边界框紧贴整个书签轮廓；正点分布于边框及其包围的内部区域，避开底部缺口，负点位于目标四周的外部背景。"}},{"name":"Raised palm icon","description":"An upright outlined open hand in the middle pink-grid row, between the three-dot indicator and windy moon.","membership":"Includes the complete hand silhouette and enclosed palm and finger area, with internal detail strokes.","id":"obj_048","temporal":{"status":"found","start_s":5.5,"end_s":9.5,"reference_s":7.25,"evidence":"目标是粉色图标网格中位于三点指示符右侧、风月图标左侧的直立空心手掌。5.50秒首次完整出现，虽有运动模糊但手部轮廓已齐全；此前5.25秒尚未进入画面。最后完整帧为9.25秒，9.50秒手掌随网格下移而被画面底边裁切。选择7.25秒作为关键帧，手掌轮廓清晰、无遮挡且邻接关系明确。","start_frame":132,"end_frame":228,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[575,441.67,616.67,539.81],"positive_points":[[583.33,479.63],[590.1,458.33],[597.4,464.81],[604.17,475.93],[610.42,507.41],[592.71,521.3]],"negative_points":[[480,491],[702,496],[596,419],[597,563]],"evidence":"目标是中间一行三点指示器与风月图标之间的直立张掌图标。边界框紧贴完整手形轮廓，正点分布于手指和封闭掌心区域；负点位于左右相邻图标及手形上下的外部粉色背景。"}},{"name":"Windy moon icon","description":"A crescent moon accompanied by horizontal wind streaks in the pink grid.","membership":"Includes the crescent's actual shape and the separate wind strokes. Excludes the crescent's external concavity and open gaps.","id":"obj_049","temporal":{"status":"found","start_s":5.75,"end_s":9.5,"reference_s":7.25,"evidence":"目标是粉色图标网格中由新月与横向风线组成的图标，位于举手图标右侧、胶片卷图标左侧。5.75秒首次完整进入画面，虽有运动模糊但结构齐全；此前5.50秒仍被右边界裁切。最后完整帧为9.25秒，9.50秒开始被画面底边裁切。选择7.25秒作为关键帧，此时新月和风线清晰完整，便于与邻近图标区分。","start_frame":138,"end_frame":228,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[680.2,459.3,729.2,530.6],"positive_points":[[696.9,474.1],[709.9,487.0],[722.9,515.7],[685.9,497.2],[698.4,512.0],[688.5,525.9]],"negative_points":[[703.1,434.3],[664.1,501.9],[744.8,500.0],[705.7,560.2]],"evidence":"目标位于第三行偏右，是带有三条水平风线的弯月图标。边界框紧贴月牙和风线的可见范围；六个正点分布在月牙轮廓与各条风线上，四个负点位于图标四周的外部粉色背景，避开月牙凹口和笔画间隙。"}},{"name":"Film reel icon","description":"A circular movie reel with four internal openings and a short trailing film strip, to the right of the windy moon.","membership":"Includes the reel boundary and enclosed face, internal markings, and trailing strip.","id":"obj_050","temporal":{"status":"found","start_s":5.75,"end_s":9.5,"reference_s":7.25,"evidence":"目标是带四个内部孔洞及短胶片尾带的圆形电影胶卷图标，位于风吹月亮图标右侧。5.75秒首次完整进入画面，虽有运动模糊但结构已完整；此前5.50秒仍被右边界裁切。最后完整帧为9.25秒，9.50秒开始被画面下边界裁切。选择7.25秒作关键帧，图标轮廓及尾带清晰，无遮挡，易与周围图标区分。","start_frame":138,"end_frame":228,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[789.06,442.59,845.31,535.19],"positive_points":[[813.02,448.15],[792.71,482.41],[833.33,481.48],[814.06,522.22],[813.02,485.19],[838.54,527.78]],"negative_points":[[706.25,495.37],[938.02,500.93],[815.1,404.63],[858.85,487.96]],"evidence":"目标位于第三行、带风线月亮的右侧，是带四个内部开口和右下短尾带的电影卷盘。边界框紧贴卷盘外缘及尾带；六个正点分布于卷盘边界、内部面和尾带，四个负点位于相邻月亮、右侧波线及目标上方和右侧的外部背景。"}},{"name":"Hand offering heart icon","description":"An upturned hand with a small heart appearing above it, at the right of the pink grid's middle row.","membership":"Includes the hand strokes and the heart boundary and enclosed area when visible. Excludes the open space separating hand and heart.","id":"obj_051","temporal":{"status":"found","start_s":6.25,"end_s":8.5,"reference_s":6.5,"evidence":"目标是粉色图标网格中间行右侧的托心手掌，包含手掌线条及上方出现的心形。首个完整呈现帧为6.25秒，6.00秒时手掌仍被右边界裁切；最后合格帧为8.25秒，8.50秒时手掌开始被右边界裁切。期间心形的出现与消失属于图标内部动画。选择6.50秒作为关键帧，手掌和心形均完整清晰，易与邻近图标区分。","start_frame":150,"end_frame":204,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[935.9,434.3,989.6,521.3],"positive_points":[[958.3,451.9],[974,452.8],[966.1,475],[940.6,500],[959.4,494.4],[978.1,507.4]],"negative_points":[[921.9,458.3],[992.2,452.8],[963.5,550],[963.5,408.3]],"evidence":"目标是粉色网格中间一行最右侧的托心手��标。紧致框覆盖上方心形及下方手部全部笔画；正点分布于心形内部和手部笔画，负点位于图标四周外部背景，避开心与手之间的空隙。"}},{"name":"Transfer tray icon","description":"A U-shaped tray with an animated upward or downward arrow and a circular “5” badge, in the fourth pink-grid row.","membership":"Includes the tray strokes, arrow, and badge with its enclosed area and numeral. The open tray center remains background except where occupied by these elements.","id":"obj_052","temporal":{"status":"found","start_s":5.5,"end_s":8.5,"reference_s":6.5,"evidence":"目标是粉色网格第四行的U形托盘图标，包含上下切换的箭头及圆形“5”徽章。5.50秒首次完整进入画面，随后持续移动并改变内部动画；8.25秒为最后完整可见帧。此前5.25秒目标尚未进入右侧画面，之后8.50秒目标随网格下移而被画面底边裁切。选择6.50秒，托盘、向下箭头和“5”徽章均清晰且无遮挡。","start_frame":132,"end_frame":204,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[580.7,642.6,629.7,733.3],"positive_points":[[582.8,691.7],[592.2,728.7],[627.1,695.4],[605.2,696.3],[599.5,658.3],[610.4,664.8]],"negative_points":[[567.7,692.6],[643.2,698.1],[605.2,616.7],[604.2,755.6]],"evidence":"目标位于第四行偏右，由U形托盘、向下箭头和圆形“5”徽章组成。边界框紧贴这三部分的可见范围；六个正点分布在托盘笔画、箭头及徽章内，四个负点位于目标外围背景，避开托盘内部空白。"}},{"name":"Tongue-out smiling face icon","description":"A second closed-eye round face below the small-smile example, distinguished by its broad mouth and protruding tongue.","membership":"Includes the circular face and enclosed area, eyes, mouth, and tongue.","id":"obj_053","temporal":{"status":"found","start_s":5.75,"end_s":8.5,"reference_s":6.5,"evidence":"目标是粉色区域内位于小微笑脸下方的圆脸，具有闭合弧形眼睛、宽嘴和伸出的舌头。5.75秒首次完整进入画面，虽有运动模糊但结构已齐全；8.25秒为最后完整可见帧。此前5.50秒仍被右侧边界裁切，之后8.50秒随画面移动而被底部边界裁切。选择6.50秒作为关键帧，此时轮廓和吐舌表情清晰，无遮挡，易与上方微笑脸区分。","start_frame":138,"end_frame":204,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[693.75,653.7,742.71,740.74],"positive_points":[[718.75,659.26],[696.88,694.44],[740.1,695.37],[709.9,690.74],[729.69,690.74],[715.63,724.07]],"negative_points":[[723,290],[838,686],[679,696],[718,767]],"evidence":"目标位于图像右侧偏下，在小微笑圆脸下方，具有闭眼、宽嘴和伸出的舌头。边界框紧贴整个圆脸；六个正点分布于圆形轮廓、双眼及嘴舌部位，负点位于上方另一笑脸、右侧放大镜和目标外部背景。"}},{"name":"Zoom magnifier icon","description":"A magnifying glass with an animated plus or minus inside its lens, beside the tongue-out face.","membership":"Includes the lens boundary and enclosed area, internal plus or minus, and handle.","id":"obj_054","temporal":{"status":"found","start_s":5.75,"end_s":8.5,"reference_s":7.25,"evidence":"目标是吐舌笑脸右侧的放大镜，包含圆形镜框、镜内动态加减号及斜向手柄。5.75秒首次完整可见，虽有运动模糊但结构已齐全；此前5.50秒目标尚未进入画面。最后完整帧为8.25秒，8.50秒目标随图标网格下移而被画面底边裁切。选择7.25秒作为关键帧，此时加号、镜框与手柄清晰，且无遮挡。","start_frame":138,"end_frame":204,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[788.5,646.3,840.1,737.0],"positive_points":[[819.8,681.5],[809.9,662.0],[828.1,667.6],[829.2,696.3],[809.4,693.5],[796.9,722.2]],"negative_points":[[776.0,681.5],[854.2,686.1],[816.7,762.0],[701.0,689.8]],"evidence":"目标位于第四行吐舌笑脸右侧，是镜片内带加号的放大镜。边界框紧贴完整镜片与左下方手柄；正点分布在镜片轮廓及其包含区域、加号和手柄上，负点位于周围外部背景及左侧独立笑脸上。"}},{"name":"Dotted loading spinner","description":"A circular sequence of differently sized black dots at the right of the fourth pink-grid row.","membership":"Includes the individual dots and their enclosed areas only; the open center and gaps are excluded.","id":"obj_055","temporal":{"status":"found","start_s":6.25,"end_s":8.5,"reference_s":7.25,"evidence":"目标是粉色图标网格第四行最右侧、由大小不一的黑点组成的环形加载图标。6.25秒首次完整进入画面，6.00秒仍被右边界裁切；最后完整帧为8.25秒，8.50秒已随网格下移而被底边裁切。选择7.25秒作为关键帧，此时圆点环清晰完整，无遮挡且易与邻近图标区分。","start_frame":150,"end_frame":204,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[915.6,648.1,966.7,729.6],"positive_points":[[941.7,660.2],[928.1,671.3],[955.2,671.3],[921.9,695.4],[961.5,695.4],[927.6,720.4]],"negative_points":[[905.2,666.7],[979.2,694.4],[940.1,625],[942.7,750]],"evidence":"目标位于粉色网格第四行最右侧，由大小不同的黑色圆点沿圆周排列组成。边界框紧贴全部圆点（包括右下方微小圆点）的最外缘；六个正点分布在六个较大圆点内部，四个负点位于目标外围背景，不标记中心或圆点间隙。"}},{"name":"Second circular play icon","description":"A circular playback button in the bottom pink-grid row, between the rainbow and sun-and-rain graphic.","membership":"Includes this circular boundary, its enclosed area, and rotating or changing-size triangular play mark.","id":"obj_056","temporal":{"status":"found","start_s":5.5,"end_s":7.75,"reference_s":7.25,"evidence":"目标是粉色网格最下排、彩虹与太阳降雨图标之间的圆形播放按钮，包含圆环及变化的三角标记。5.50秒首次完整进入画面，虽有运动模糊，圆形结构已完整；5.25秒尚未完整进入右边界。最后合格帧为7.50秒，7.75秒随网格下移开始被画面底边裁切。选择7.25秒作为关键帧，此时圆环和三角形清晰，邻近图标也便于区分。","start_frame":132,"end_frame":186,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[567.7,849.1,615.6,934.3],"positive_points":[[591.1,853.7],[570.3,890.7],[591.1,928.7],[612.5,890.7],[585.9,887.0],[597.4,892.6]],"negative_points":[[481.3,891.7],[700.5,887.0],[592.7,808.3],[945.8,897.2]],"evidence":"目标是底排位于彩虹与晴雨图案之间的圆形播放按钮。边界框紧贴外圆，覆盖圆周、内部区域和三角播放标记。六个正点分布在圆周及内部标记上；负点位于上方外部背景、彩虹、晴雨图案和最右侧另一播放按钮上。"}},{"name":"Sun and rain icon","description":"A sun peeking from behind a cloud with falling raindrops, in the bottom pink-grid row.","membership":"Includes the sun and rays, cloud boundary and enclosed region, and individual raindrops. Excludes the gaps between drops.","id":"obj_057","temporal":{"status":"found","start_s":6.25,"end_s":8.0,"reference_s":6.5,"evidence":"目标是粉色网格底行中太阳从云后露出、下方带雨滴的图标，位于圆形播放图标与另一朵雨云之间。6.25秒首次完整呈现太阳、云和雨滴；此前6.00秒尚未显示完整雨滴。最后符合条件的是7.75秒，8.00秒该底行已移出画面。选择6.50秒作为关键帧，因为太阳、云轮廓及各雨滴清晰且无遮挡。","start_frame":150,"end_frame":192,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[685.4,857.4,750.5,977],"positive_points":[[702.1,863],[695.3,879.6],[724.5,901.9],[746.4,902.8],[717.7,954.6],[730.2,968.5]],"negative_points":[[672,911],[720,832],[767,934],[838,900]],"evidence":"目标位于底部一行，是太阳从云后露出、下方带两滴雨的图标。边界框覆盖太阳及光芒、云朵和雨滴；正点分布在光芒、太阳轮廓、云内及边界和两滴雨上。负点位于图标外的粉色背景及右侧另一朵云内，避开目标内部空隙。"}},{"name":"Rain cloud icon","description":"A cloud with diagonal rain streaks, beside the sun-and-rain example in the bottom pink-grid row.","membership":"Includes the cloud boundary and enclosed area and the separate diagonal rain strokes.","id":"obj_058","temporal":{"status":"found","start_s":5.75,"end_s":7.75,"reference_s":6.25,"evidence":"目标是粉色图标网格最下排、太阳雨云右侧的云朵及斜向雨线。5.75秒首次完整进入画面，5.50秒时尚在右侧画外；最后完整帧为7.50秒，7.75秒随网格下移开始被画面底边裁切。6.25秒云朵轮廓和独立斜雨线清晰，适合作为空间标注关键帧。","start_frame":138,"end_frame":186,"reference_frame":150},"grounding":{"status":"found","bbox_xyxy":[814,857,880,949],"positive_points":[[846,873],[825,908],[870,908],[833.3,920.4],[841.1,925.9],[857.8,917.6]],"negative_points":[[724,902],[976,907],[846,805],[846,974]],"evidence":"目标位于粉色网格最底行，在太阳雨云图标右侧。边界框紧贴云朵轮廓及下方斜向雨线；正点覆盖云内区域和三条雨线，负点位于上下方外部背景及左右相邻的其他图标上。"}},{"name":"Far-right circular play icon","description":"A further circle containing a right-pointing play triangle at the far right of the bottom pink-grid row.","membership":"Includes this circle's boundary and enclosed area and its play triangle.","id":"obj_059","temporal":{"status":"found","start_s":6.5,"end_s":7.75,"reference_s":7.25,"evidence":"目标是粉色图标网格最底行最右侧的圆形播放按钮，圆内有向右三角形。6.50秒首次完整进入画面，至7.50秒仍完整可见；前一帧6.25秒圆形右缘仍被画面边界裁切，后一帧7.75秒随网格下移开始被底边裁切。选择7.25秒作为关键帧，此时圆环及播放三角清晰完整，且容易与同排其他播放按钮区分。","start_frame":156,"end_frame":186,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[921.9,856.5,969.8,940.7],"positive_points":[[945.3,860.2],[926.6,898.1],[965.6,897.2],[944.3,933.3],[940.1,886.1],[953.6,898.1]],"negative_points":[[909.9,898.1],[980.2,898.1],[945.3,960.2],[945.3,832.4]],"evidence":"目标是粉色网格最底行最右侧的圆形播放图标。边界框紧贴圆形外缘，覆盖圆周、内部区域及向右的播放三角形；六个正点分布于圆周和内部，四个负点位于圆外上下左右的粉色背景。"}},{"name":"Search magnifier icon","description":"A plain circular magnifying glass with a diagonal handle, introduced in the yellow section above the alert and card rows.","membership":"Includes the lens boundary and enclosed area and the handle; excludes adjacent symbols.","id":"obj_060","temporal":{"status":"found","start_s":8.0,"end_s":10.75,"reference_s":10.5,"evidence":"目标是黄色区域中、位于警示图标和卡片行上方的普通放大镜，由圆形镜框和右下斜柄组成，不含加减号。8.00秒首次完整可见，持续至10.50秒；此前7.75秒仍被画面上边缘裁切，随后10.75秒开始随图标背景淡出。选择10.50秒作为关键帧，轮廓清晰完整，与相邻符号分离良好。","start_frame":192,"end_frame":258,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[229.7,394.4,276.6,478.7],"positive_points":[[235.4,417.6],[248.4,404.6],[255.7,427.8],[245.3,445.4],[260.9,453.7],[271.9,470.4]],"negative_points":[[213.0,427.8],[286.5,463.9],[247.4,495.4],[354.2,438.9]],"evidence":"目标位于黄色区域中部偏左、感叹号图标上方，是圆形镜框连接右下斜柄的放大镜。边界框紧贴整个镜框及手柄；正点分布在镜框、允许包含的镜内区域和手柄上，负点位于外部背景及右侧相邻符号上。"}},{"name":"Infinity icon","description":"A looping infinity-shaped line beside the plain magnifying glass in the yellow section.","membership":"Includes the looping stroke and the areas enclosed by completed loops. Open animated sections remain open.","id":"obj_061","temporal":{"status":"found","start_s":8.0,"end_s":10.75,"reference_s":9.5,"evidence":"目标是黄色区域内、普通放大镜右侧的无穷形 looping 线条，持续变形且部分阶段保持开口。8.00秒首次完整进入画面，10.50秒为最后合格帧；此前7.75秒该行仍被画面上边缘裁切，随后10.75秒图标随背景整体淡出。选择9.50秒作为关键帧，目标清晰、无遮挡，与左侧放大镜容易区分。","start_frame":192,"end_frame":258,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[326.6,388.9,378.6,436.1],"positive_points":[[328.1,413.9],[335.9,392.6],[345.8,405.6],[358.3,430.6],[372.9,425.9],[376.6,412.0]],"negative_points":[[313.5,407.4],[387.5,413.0],[351.0,366.7],[352.1,456.5]],"evidence":"目标是黄色背景中、普通放大镜右侧的无穷形曲线。边界框紧贴其全部可见笔画；六个正点分布在左右弯曲段及中间连接段，四个负点位于图标外围背景，不落在内部空隙或开口中。"}},{"name":"Shopping cart icon","description":"A small outlined shopping cart with two wheels and animated contents, introduced in the yellow section.","membership":"Includes the cart basket boundary and enclosed area, handle, wheels, and contents when visible.","id":"obj_062","temporal":{"status":"found","start_s":8.0,"end_s":10.75,"reference_s":9.5,"evidence":"目标是黄色区域内带篮筐、把手和两个轮子的购物车，筐内物品随动画变化。8.00秒首次完整可见，10.50秒是最后一个符合条件的采样帧；前一帧7.75秒购物车仍被画面上边界裁切，后一帧10.75秒已随图标网格淡出变灰。选择9.50秒作为关键帧，此时购物车轮廓及内容物清楚、无遮挡。","start_frame":192,"end_frame":258,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[444.8,375.9,489.1,449.1],"positive_points":[[460.4,413.9],[484.4,386.1],[452.6,438],[474,438],[457.8,382.4],[466.7,385.2]],"negative_points":[[432.8,413.9],[499.5,411.1],[466.7,357.4],[466.1,469.4]],"evidence":"目标位于图像中部偏左，是带两个轮子、上翘把手及三角形货物的购物车。边界框紧密覆盖篮筐、把手、车轮和货物；六个正点分布于篮筐内部、把手、两轮及货物上，四个负点位于购物车四周的外部黄色背景。"}},{"name":"Progress bar icon","description":"A horizontal rectangular frame with a changing inner bar or small block, beside the shopping cart.","membership":"Includes the outer rectangular boundary and its complete enclosed area, including the animated inner indicator.","id":"obj_063","temporal":{"status":"found","start_s":8.0,"end_s":10.75,"reference_s":9.75,"evidence":"目标是购物车右侧的横向矩形进度条，包含外框及内部变化的条块。首个合格帧为8.00秒，外框已完整进入画面；此前7.75秒仍被画面上边缘裁切。最后合格帧为10.50秒，10.75秒开始随图标网格淡出。选择9.75秒作为关键帧，此时矩形边界和内部小块清晰，与左侧购物车的位置关系明确。","start_frame":192,"end_frame":258,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[542.7,408.3,594.8,455.6],"positive_points":[[546,415],[569,412],[592,434],[580,431],[553,441],[573,450]],"negative_points":[[514,432],[571,385],[573,477],[467,412]],"evidence":"目标是购物车右侧的横向矩形进度条，框内右侧有小矩形指示块。边界框紧贴外框，包含全部内部区域；六个正点分布于边框、内部及指示块，四个负点位于外围背景和左侧购物车上。"}},{"name":"Pointing hand icon","description":"An outlined hand with an extended index finger in the yellow section, distinct from the open palm and victory hands below.","membership":"Includes the complete hand silhouette and enclosed region, with internal finger details.","id":"obj_064","temporal":{"status":"found","start_s":8.0,"end_s":10.75,"reference_s":10.0,"evidence":"目标是黄色区域内的黑色轮廓指向手，位于横向矩形图标与锁图标之间，区别于下方的张开手掌和胜利手势。8.00秒首次完整可见，之后手指伸缩等变形仍属于同一完整图标；10.50秒为最后合格帧。此前7.75秒该手仍被画面上边界裁切，之后10.75秒开始随图标网格淡出。选择10.00秒作为关键帧，此时伸出的食指及完整手部轮廓清晰、无遮挡。","start_frame":192,"end_frame":258,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[661.46,377.78,700,469.44],"positive_points":[[681.25,388.89],[680.73,410.19],[666.67,421.3],[674.48,443.52],[687.5,444.44],[695.83,437.96]],"negative_points":[[680.21,346.3],[678.13,500],[573.44,439.81],[778.13,441.67]],"evidence":"目标是黄色区域中向上伸出食指的手形图标，位于电池图标与开锁图标之间，与下方手掌和胜利手势不同。边界框紧贴完整手形轮廓；六个正点分布在食指、其他手指及掌部的轮廓或封闭区域内，负点位于上下外部背景及左右其他图标上。"}},{"name":"Padlock icon","description":"A rounded lock body with a keyhole and animated open or closed shackle, beside the pointing hand.","membership":"Includes the lock body boundary and enclosed face, keyhole, and shackle. Open space outside an opened shackle is excluded.","id":"obj_065","temporal":{"status":"found","start_s":8.0,"end_s":10.75,"reference_s":9.5,"evidence":"目标是指向手势右侧、邮箱左侧的挂锁图标，具有圆弧锁体、钥匙孔及开合锁梁。8.00秒首次完整可见，虽在移动但结构已齐全；此前7.75秒仍被画面上缘裁切。10.50秒为最后合格帧，10.75秒图标随背景图标一起变灰淡出。选择9.50秒作关键帧，挂锁轮廓清晰完整，与邻近图标容易区分。","start_frame":192,"end_frame":258,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[760.4,363,797.9,451.9],"positive_points":[[774,369.4],[789.1,378.7],[766.7,412],[789.6,418.5],[779.2,422.2],[776,444.4]],"negative_points":[[679.7,412],[875,408.3],[750,376.9],[809.9,444.4]],"evidence":"目标是手形图标右侧、邮箱图标左侧的闭合挂锁。边界框紧贴锁梁及圆形锁身的完整可见范围；正点覆盖锁梁、锁身面、钥匙孔和下缘，负点位于邻近手形、邮箱及锁外背景。"}},{"name":"Mailbox icon","description":"A small post-mounted mailbox with a rounded side and animated flag, to the right of the padlock.","membership":"Includes the mailbox body and enclosed faces, post, flag, and visible internal markings.","id":"obj_066","temporal":{"status":"found","start_s":8.0,"end_s":10.75,"reference_s":9.5,"evidence":"目标是黄色图标区域中、挂锁右侧的小型立柱式邮箱，可见圆弧侧面、箱体、旗杆及内部标记。首个合格帧为8.00秒，邮箱已完整入画；此前7.75秒仍被画面上缘裁切。最后合格帧为10.50秒，随后10.75秒邮箱随图标网格变灰淡出。选择9.50秒作为关键帧，邮箱轮廓清楚、无遮挡，且与左侧挂锁的位置关系明确。","start_frame":192,"end_frame":258,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[856.2,379.6,900.5,451.9],"positive_points":[[864.6,415.7],[878.1,413.0],[891.1,418.5],[868.8,396.3],[890.1,401.9],[876.6,445.4]],"negative_points":[[779.2,416.7],[915.6,412.0],[877.6,356.5],[877.6,472.2]],"evidence":"目标是挂锁右侧的立柱式邮箱图标。边界框紧贴邮箱主体、圆弧侧面、旗标、内部标记及下方立柱；正点分布于这些部位和封闭箱面，负点位于左侧挂锁及邮箱上、右、下方的外部背景。"}},{"name":"Right chevron icon","description":"A right-pointing angled navigation mark at the far right of the yellow section.","membership":"Includes only its angled strokes and visible animated fragments, preserving the open shape.","id":"obj_067","temporal":{"status":"found","start_s":8.0,"end_s":9.0,"reference_s":8.75,"evidence":"目标是黄色区域最右侧的右向导航折角，仅包��其开放的斜线及动画碎片。8.00秒首次完整进入画面，随后变形和移动仍属同一图标；8.75秒为最后完整可见帧。此前7.75秒图标被画面上缘裁切，之后9.00秒右端开始被右边界裁切。选择8.75秒作为关键帧，因为此时右尖括号形状清晰，便于与邻近邮箱图标区分。","start_frame":192,"end_frame":216,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[971.4,264.8,996.4,344.4],"positive_points":[[975,271.3],[982.3,285.2],[989.6,298.1],[991.1,310.2],[983.3,325],[975.5,338]],"negative_points":[[948,249],[951,368],[982,405],[911,305]],"evidence":"目标是黄色区域最右侧、由两条斜线构成的右向导航箭头。边界框紧贴两条可见斜线；六个正点分布在上下斜线笔画上，四个负点位于图标外围背景，避开箭头开口内部。"}},{"name":"Heart outline icon","description":"A large unfilled heart introduced at the left of the yellow section's search-and-shopping row.","membership":"Includes the heart outline and the region enclosed when the outline is complete. Excludes surrounding background.","id":"obj_068","temporal":{"status":"found","start_s":10.5,"end_s":10.75,"reference_s":10.5,"evidence":"目标是黄色区域搜索与购物图标所在行最左侧的大号空心爱心，位于放大镜左边。10.50秒爱心轮廓完整，是本段首个及最后一个合格帧；前一帧10.25秒轮廓尚不完整，后一帧10.75秒已随图标网格淡出。选择10.50秒作为关键帧，因为心形完整、清晰且无遮挡。","start_frame":252,"end_frame":258,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[16.1,400.9,67.7,478.7],"positive_points":[[27.6,419.4],[54.2,418.5],[41.7,431.5],[30.2,438.9],[50,440.7],[41.7,463.9]],"negative_points":[[7.8,437],[42.7,376.9],[79.2,425.9],[41.7,501.9]],"evidence":"目标是搜索和购物图标所在行最左侧的完整空心爱心。边界框紧贴爱心外轮廓，覆盖轮廓及其封闭区域；六个正点分布在爱心内部的左右瓣、中部和底部，四个负点位于爱心上下左右的外部黄色背景。"}},{"name":"Circular loading arc icon","description":"An animated open circular arc between the heart and plain magnifying glass in the yellow section.","membership":"Includes the curved stroke only while open; an incomplete arc does not include its center.","id":"obj_069","temporal":{"status":"found","start_s":8.0,"end_s":10.75,"reference_s":10.0,"evidence":"目标是黄色区域中心形与普通放大镜之间的开放圆弧，仅指弧形笔画。8.00秒首次完整进入画面，随后弧长随加载动画变化，至10.50秒仍可见；7.75秒圆弧尚被画面上边界裁切，10.75秒已开始随图标网格淡出。选择10.00秒作为关键帧，此时圆弧轮廓清楚、开口明确且无遮挡。","start_frame":192,"end_frame":258,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[125,402.8,169.8,481.5],"positive_points":[[127.6,442.6],[135.4,416.7],[151,407.4],[165.6,425.9],[165.6,456.5],[153.1,475]],"negative_points":[[52.6,404.6],[251,392.6],[146.9,365.7],[145.8,509.3]],"evidence":"目标是黄色区域中、普通放大镜左侧的底部开口圆形加载弧。边界框紧贴完整可见弧线；六个正点分布在弧线各段，四个负点位于左侧另一小弧、右侧放大镜及目标上下方的外部背景，未标注圆弧中心。"}},{"name":"Yellow-section phone icon","description":"A second upright phone, introduced at the left of the yellow row containing battery and weather graphics, with vibration strokes beside it.","membership":"Includes this phone's boundary, enclosed body and screen, lower button, and associated vibration strokes.","id":"obj_070","temporal":{"status":"found","start_s":9.25,"end_s":10.75,"reference_s":9.75,"evidence":"目标是黄色区域中电池、太阳及天气图标所在行最左侧的第二个竖直手机，包含机身、屏幕、底部按钮及振动线。9.25秒首次完整入画，10.50秒为最后合格帧；前一帧9.00秒左侧振动线仍受画面边缘裁切，后一帧10.75秒图标随整组画面开始淡出。选择9.75秒作为关键帧，手机轮廓和左侧振动线清晰，与其他手机图标容易区分。","start_frame":222,"end_frame":258,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[13.5,206.5,58.9,286.1],"positive_points":[[43.2,225],[44.3,248],[44,273],[31,247],[15.8,246],[22.4,245]],"negative_points":[[8,204],[70,249],[43,183],[80,310]],"evidence":"目标是电池与天气图标所在行最左侧的竖直手机，左边带振动弧线。边界框覆盖手机外框、内部机身与屏幕、底部按钮及振动线；正点分布于这些组成部分，负点位于目标外围的浅黄色背景。"}},{"name":"Yellow-section battery icon","description":"A second horizontal battery in the yellow section, above the plain search magnifier, animated with a diagonal stroke.","membership":"Includes the casing boundary, enclosed area, terminal, and diagonal disabling stroke when present.","id":"obj_071","temporal":{"status":"found","start_s":8.5,"end_s":10.75,"reference_s":10.0,"evidence":"目标是黄色区域内、普通搜索放大镜正上方的横向电池，包含外壳、端子及动画中出现的斜向禁用线。8.50秒首次完整进入画面；此前8.25秒仍被画面上缘裁切。最后合格帧为10.50秒，10.75秒开始随图标网格淡出。选择10.00秒作为关键帧，此时电池轮廓和禁用斜线清晰完整，便于与其他电池区分。","start_frame":204,"end_frame":258,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[228.1,209.3,278.6,300],"positive_points":[[231.8,254.6],[245.8,232.4],[258.3,252.8],[275,267.6],[234.4,287],[270.8,222.2]],"negative_points":[[251.6,390.7],[252.6,44.4],[155.7,258.3],[298.4,254.6]],"evidence":"目标是黄色区域内、普通搜索放大镜正上方带斜向禁用线的横置电池。边框紧贴电池外壳、左侧端子及斜线的可见范围；正点分布在外壳、内部、端子和斜线上，负点位于下方放大镜、上方矩形、左侧其他图标及右侧外部背景。"}},{"name":"Yellow-section sunrise icon","description":"A second sun-and-horizon graphic in the yellow section, above the infinity symbol.","membership":"Includes its sun boundary and enclosed region, rays, and horizontal horizon stroke, excluding open gaps.","id":"obj_072","temporal":{"status":"found","start_s":8.75,"end_s":10.75,"reference_s":10.5,"evidence":"目标是黄色区域内、无穷符号正上方的太阳与水平地平线图标。8.75秒首次完整呈现，10.5秒为最后合格帧；此前8.5秒上方光芒仍被画面顶部裁切，之后10.75秒图标随背景开始淡出。选择10.5秒作为关键帧，因为太阳边界、光芒和地平线清晰完整，且容易与右侧太阳图标区分。","start_frame":210,"end_frame":258,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[335.4,196.3,376.0,278.7],"positive_points":[[355.2,231.5],[355.2,202.8],[339.1,232.4],[367.7,212.0],[355.7,260.2],[364.6,275.0]],"negative_points":[[320.3,231.5],[387.5,231.5],[354.7,305.6],[366.7,417.6]],"evidence":"目标是黄色区域中位于无穷符号正上方的太阳与地平线图标。边界框紧贴太阳轮廓、各条光芒及底部水平线；正点分布在太阳内部、光芒和地平线笔画上，负点位于外围背景及下方独立的无穷符号上。"}},{"name":"Yellow-section sun icon","description":"A second plain sun with separated rays in the yellow section, above the shopping cart.","membership":"Includes the central circular region and individual rays, not the background between them.","id":"obj_073","temporal":{"status":"found","start_s":8.5,"end_s":10.75,"reference_s":10.5,"evidence":"目标是黄色区域内、购物车正上方的普通太阳，由中央圆环和分离的光芒组成，区别于左侧带横线的日出图标。8.50秒首次完整可见，10.50秒为最后合格帧；此前8.25秒仍被画面上边缘裁切，之后10.75秒随图标网格开始淡出。选择10.50秒作为关键帧，因为太阳结构清晰、无遮挡且易于区分。","start_frame":204,"end_frame":258,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[437.5,205.6,484.9,291.7],"positive_points":[[461,248],[461.1,214],[441,248.6],[481.7,248.6],[460.6,283],[475,223.5]],"negative_points":[[415,249],[508,249],[461,171],[460,432]],"evidence":"目标是黄色区域中购物车正上方、带分离光芒的普通太阳。边界框紧贴中央圆形及全部光芒；正点覆盖中央圆形区域和不同方向的光芒，负点位于太阳外侧背景及下方独立的购物车上。"}},{"name":"Sun and thundercloud icon","description":"A sun behind a cloud containing a lightning bolt, introduced in the upper yellow weather row.","membership":"Includes the sun and rays, cloud outline and enclosed area, and lightning bolt, following the combined graphic's actual outline.","id":"obj_074","temporal":{"status":"found","start_s":8.5,"end_s":10.75,"reference_s":10.0,"evidence":"目标是黄色区域上方天气行中，太阳及光芒位于云朵右上方、云内带闪电的组合图标。8.50秒首次完整进入画面；此前8.25秒该行仍被上边界裁切。图标持续至10.50秒，期间闪电的内部动画不改变其身份；10.75秒整体变灰并开始淡出。选择10.00秒作为关键帧，此时太阳、云朵和闪电轮廓清楚且无遮挡。","start_frame":204,"end_frame":258,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[541.1,215.7,599.5,285.2],"positive_points":[[546.9,263],[562.5,239.8],[579.2,268.5],[565.1,265.7],[592.2,245.4],[583.3,219.4]],"negative_points":[[674.5,250],[460.9,247.2],[567.7,186.1],[567.7,313.9]],"evidence":"目标是上方天气图标行中、太阳圆形图标右侧的太阳雷雨云组合。边界框紧贴太阳及光芒、云朵和闪电的整体可见轮廓；正点分布在太阳光芒、太阳轮廓、云内区域及闪电上，负点位于上下外部背景和左右独立天气图标上。"}},{"name":"Thundercloud icon","description":"A cloud with two lightning bolts, beside the sun-and-thundercloud graphic in the yellow section.","membership":"Includes the cloud boundary and enclosed area and the lightning bolts extending through or below it.","id":"obj_075","temporal":{"status":"found","start_s":8.5,"end_s":10.75,"reference_s":9.0,"evidence":"目标是黄色区域中、太阳雷云图标右侧的双闪电云，包含云轮廓及穿出云底的两道闪电。首次完整可见为8.50秒，前一帧8.25秒仍被画面上边缘裁切；最后合格帧为10.50秒，随后10.75秒开始整体淡出。期间闪电的循环变化不改变图标身份。选择9.00秒作为关键帧，云轮廓和双闪电清楚完整，且无遮挡。","start_frame":204,"end_frame":258,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[640.6,122.2,700.5,210.2],"positive_points":[[653.1,159.3],[669.3,135.2],[689.1,165.7],[692.7,170.4],[670.3,182.4],[653.6,194.4]],"negative_points":[[574.5,150],[762,138.9],[671.9,240.7],[625,134.3]],"evidence":"目标是黄色区域中、太阳雷云图标右侧的双闪电云图标。框紧贴云轮廓及下伸的两道闪电；正点分布于云内和闪电上，负点位于左侧太阳雷云、右侧方框及目标外围背景。"}},{"name":"Yellow-section square icon","description":"An unfilled square in the upper yellow row, to the right of the thundercloud, animated by rotation and perspective changes.","membership":"Includes the square boundary and enclosed area, following its changing outline.","id":"obj_076","temporal":{"status":"found","start_s":8.5,"end_s":10.75,"reference_s":9.0,"evidence":"目标是黄色区域中雷雨云右侧的空心方框，其轮廓随旋转和透视变化。8.5秒首次完整可见，虽呈透视压缩形态仍是完整图标；此前8.25秒该行被画面上边缘裁切。最后合格帧为10.5秒，10.75秒图标随场景开始淡出。选择9.0秒作为关键帧，此时方框轮廓清晰、无遮挡，且与右侧圆形播放图标易于区分。","start_frame":204,"end_frame":258,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[759.4,125,797.4,193.5],"positive_points":[[762,143],[778,131],[794,161],[780,188],[771,157],[785,174]],"negative_points":[[779,99],[779,222],[670,163],[875,158]],"evidence":"目标是黄色区域上排、雷雨云右侧的空心方框。边界框紧贴其略带透视的四条边，包含边框及内部区域；六个正点分布在边框和内部，负点位于上下外部背景及邻近的雷雨云、圆形播放图标上。"}},{"name":"Left-pointing circular play icon","description":"A circle containing a left-pointing triangle in the upper yellow row, immediately right of the animated square.","membership":"Includes this circular boundary and enclosed area and the triangle.","id":"obj_077","temporal":{"status":"found","start_s":8.5,"end_s":10.75,"reference_s":10.5,"evidence":"目标是黄色区域上排、动画方块紧右侧的圆形左向播放图标，包含完整圆环和左指三角形。首个合格帧为8.50秒；8.25秒时该图标仍被画面上边缘裁切。最后合格帧为10.50秒，10.75秒开始随图标网格淡出。选择10.50秒作为关键帧，因目标轮廓清晰完整，且与左侧方块及右侧相似图标容易区分。","start_frame":204,"end_frame":258,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[854.7,209.3,899.0,288.0],"positive_points":[[876.6,214.8],[857.8,248.1],[896.4,250.9],[876.6,283.3],[872.9,249.1],[886.5,235.2]],"negative_points":[[785.4,249.1],[882.8,22.2],[833.3,245.4],[916.7,296.3]],"evidence":"目标是图像上部第二排靠右、完整显示的圆形左向播放图标，不是最右侧被裁切的同类图标。框紧贴圆形外缘，覆盖圆框、内部区域及左向三角形；正点分布于圆周、三角形和允许包含的内部区域，负点位于左侧独立三角形、上方方框及外围背景。"}},{"name":"Far-right left-pointing play icon","description":"A second left-pointing circular playback symbol along the far-right edge of the same yellow row.","membership":"Includes its circular boundary, enclosed area, and triangular mark, limited to the visible portion when cropped.","id":"obj_078","temporal":{"status":"found","start_s":8.5,"end_s":10.75,"reference_s":9.5,"evidence":"目标是黄色区域同一行最右侧的第二个圆形左向播放图标，按描述包含右缘裁切后的可见部分。8.50秒首次完整呈现其可见结构，之后随页面移动并变形，10.50秒为最后合格帧；8.25秒该行仍从画面上缘进入，目标纵向被截断，10.75秒已开始随页面淡出。选择9.50秒作为关键帧，圆形边界与左向三角清楚，易与左邻播放图标区分。","start_frame":204,"end_frame":258,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[963,182.4,1000,263],"positive_points":[[968.8,220.4],[981.3,195.4],[994.3,195.4],[996.9,236.1],[982.3,249.1],[982.3,222.2]],"negative_points":[[948,220],[984,157],[984,287],[879,221]],"evidence":"目标是第二行最右端被画面裁切的圆形左向播放图标。框覆盖可见圆形边���、内部区域和左向三角标记；正点分布在这些区域，负点位于图标外侧黄色背景及左边另一枚完整圆形播放图标上。"}},{"name":"Inverted upper-left phone bubble","description":"A handset speech-bubble graphic in the newly revealed upper yellow row, above the second phone graphic, presented upside down relative to earlier grid rows.","membership":"Includes this bubble's boundary, tail, enclosed region, and handset.","id":"obj_079","temporal":{"status":"found","start_s":9.75,"end_s":10.75,"reference_s":10.0,"evidence":"目标是新出现的黄色网格最上排左端、相对早先图标倒置的电话气泡，包含气泡轮廓、尾部及听筒。9.75秒首次完整进入画面，10.50秒为最后合格帧；此前9.50秒气泡上缘仍被画面顶部裁切，之后10.75秒随网格开始淡出。选择10.00秒作为关键帧，此时轮廓和听筒清楚、无遮挡。","start_frame":234,"end_frame":258,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[21.35,20.37,65.63,100.93],"positive_points":[[43.23,25],[24.48,59.26],[38.02,63.89],[48.96,48.15],[47.4,82.41],[60.42,90.74]],"negative_points":[[10,60],[43,128],[85,62],[148,62]],"evidence":"目标是图像左上角黄色首行中倒置听筒样式的电话气泡。框紧贴气泡外边界，包含尾部、内部区域和听筒；正点分布在边框、听筒、内部与尾部，负点位于外围背景及右侧另一枚消息图标上。"}},{"name":"Inverted Messenger icon","description":"A separate lightning-mark speech bubble in the newly revealed upper yellow row, beside the inverted phone bubble.","membership":"Includes its bubble outline, tail, enclosed area, and lightning mark.","id":"obj_080","temporal":{"status":"found","start_s":9.75,"end_s":10.75,"reference_s":10.5,"evidence":"目标是新露出的黄色上排中、倒置电话气泡右侧的闪电聊天气泡，尾部朝右下。9.75秒首次完整显示，10.50秒为最后合格帧；此前9.50秒其顶部仍被画面上边缘裁切，之后10.75秒随图标阵列开始淡出。选择10.50秒作为关键帧，轮廓、尾部及内部闪电清晰且无遮挡。","start_frame":234,"end_frame":258,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[126.0,26.9,170.3,106.5],"positive_points":[[140.1,37.0],[130.2,60.2],[147.4,63.0],[161.5,52.8],[152.1,87.0],[159.9,97.2]],"negative_points":[[43.2,59.3],[253.6,65.7],[147.9,143.5],[103.6,64.8]],"evidence":"目标位于顶部黄色一行，从左数第二个，是紧邻倒置电话气泡的闪电标记聊天气泡。边界框紧贴气泡轮廓及右下尾部；正点分布于轮廓、尾部、内部区域和闪电标记，负点位于相邻电话图标、录制图标及目标外部背景。"}},{"name":"Inverted recording badge","description":"A separate rectangular dot-and-“REC” badge in the upper yellow row, visibly upside down.","membership":"Includes the rectangular boundary, enclosed surface, dot, and text.","id":"obj_081","temporal":{"status":"found","start_s":9.5,"end_s":10.75,"reference_s":9.5,"evidence":"目标是黄色区域最上排独立的倒置矩形录制徽章，框内有圆点和倒置的“REC”。9.50秒首次完整进入画面，10.50秒为最后合格帧；此前9.25秒徽章仍被画面上缘裁切，之后10.75秒开始随图标网格淡出。选择9.50秒作关键帧，此时矩形边界、圆点及倒置文字清晰可辨且无遮挡。","start_frame":228,"end_frame":258,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[223.96,12.96,279.17,66.67],"positive_points":[[227,18],[275,60],[235,39],[245,44],[256,35],[268,39]],"negative_points":[[215,42],[288,43],[250,88],[144,35]],"evidence":"目标位于图像顶部黄色区域，是带圆点和倒置“REC”字样的独立矩形徽章。边界框紧贴整个矩形外沿，包含边框、内部底面、文字和圆点。六个正点分布在徽章边框及内部内容上；负点位于徽章外侧背景和左侧另一图标上。"}},{"name":"Upper yellow low-volume speaker","description":"A separate left-facing speaker with a small sound arc in the newly revealed upper yellow row.","membership":"Includes its speaker outline and enclosed body and associated sound arc.","id":"obj_082","temporal":{"status":"found","start_s":9.5,"end_s":10.75,"reference_s":10.5,"evidence":"目标是新显露的上方黄色图标行中、录音图标右侧且大音量扬声器左侧的单小声波扬声器。9.50秒首次完整呈现，至10.50秒仍保持完整；前一帧9.25秒该图标仍被画面上边界裁切，后一帧10.75秒已随图标网格变灰淡出。选择10.50秒作为关键帧，轮廓与小声波清晰，便于区分相邻的大音量图标。","start_frame":228,"end_frame":258,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[335.4,30.6,371.9,104.6],"positive_points":[[338.5,50.9],[337.5,75.9],[345.3,63.9],[354.2,45.4],[358.3,68.5],[368.8,67.6]],"negative_points":[[322.9,67.6],[383.9,67.6],[356.3,131.5],[440.6,64.8]],"evidence":"目标是最上排靠左的低音量扬声器，位于录制图标与较多声波的扬声器之间。边界框紧贴喇叭轮廓及左侧短声弧；正点覆盖声弧、喇叭轮廓和封闭主体，负点位于外围黄色背景及右侧另一扬声器上。"}},{"name":"Upper yellow high-volume speaker","description":"A second left-facing speaker in the upper yellow row, distinguished by multiple sound arcs.","membership":"Includes this speaker body and enclosed area and its sound arcs, excluding the gaps between them.","id":"obj_083","temporal":{"status":"found","start_s":9.5,"end_s":10.75,"reference_s":10.5,"evidence":"目标是黄色区域最上排的第二个朝左扬声器，以多条声波弧线区别于左侧的低音量扬声器。9.50秒首次完整呈现，前一帧9.25秒仍被画面上边缘裁切；最后合格帧为10.50秒，下一帧10.75秒图标已变灰并开始淡出。选择10.50秒作为关键帧，扬声器主体及多条声波弧线清晰、无遮挡。","start_frame":228,"end_frame":258,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[436.98,29.63,481.77,104.63],"positive_points":[[438.54,67.59],[442.19,42.59],[445.83,68.52],[454.17,65.74],[464.06,66.67],[478.13,66.67]],"negative_points":[[423.44,68.52],[494.79,68.52],[460.42,124.07],[364.58,64.81]],"evidence":"目标是图像顶部一排中第二个扬声器，以左侧多条声波弧线区别于前一个。边界框紧贴扬声器主体及全部声波弧线；正点分布于弧线、主体轮廓和其封闭内部，负点位于外围背景及左侧另一个扬声器上，避开弧线间隙。"}},{"name":"Drawer panel icon","description":"A rounded rectangular panel with horizontal divisions and a lower semicircular notch, in the upper yellow row.","membership":"Includes the panel boundary and enclosed surface, divisions, and notch contour.","id":"obj_084","temporal":{"status":"found","start_s":9.5,"end_s":10.75,"reference_s":10.0,"evidence":"目标位于黄色区域上排，是带横向分隔线及底部半圆缺口的圆角抽屉面板图标。9.50秒首次完整露出，10.50秒为最后合格帧；此前9.25秒仍被画面上边缘裁切，之后10.75秒随图标网格开始淡出。选择10.00秒作为关键帧，轮廓、分隔线和缺口清晰且无遮挡。","start_frame":228,"end_frame":258,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[548.4,26.9,589.1,106.5],"positive_points":[[553.1,38.9],[584.9,40.7],[568.2,60.2],[556.3,73.1],[569.3,90.7],[581.8,99.1]],"negative_points":[[534.9,64.8],[602.1,69.4],[568.2,9.3],[568.2,132.4]],"evidence":"目标位于图像顶部一排中央偏右，是带水平分隔线及下部半圆凹口的圆角抽屉面板。边界框紧贴完整面板外轮廓；正点分布在边框、内部表面、分隔线和凹口轮廓上，负点位于面板四周的外部黄色背景。"}},{"name":"Upper yellow phone bubble","description":"Another handset speech bubble in the upper yellow row, to the right of the drawer panel and left of the circular arrows.","membership":"Includes this bubble boundary and tail, enclosed area, and handset.","id":"obj_085","temporal":{"status":"found","start_s":9.75,"end_s":10.75,"reference_s":10.5,"evidence":"目标是黄色区域最上排、抽屉图标右侧且循环箭头左侧的电话气泡。9.75秒首次完整入镜，至10.50秒边界、尾部及内部听筒仍清楚可见；此前9.50秒气泡上缘仍被画面顶部裁切，之后10.75秒开始整体淡出。选择10.50秒作为关键帧，目标完整清晰且与相邻图标易于区分。","start_frame":234,"end_frame":258,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[645.3,25,689.6,103.7],"positive_points":[[656.3,44.4],[671.9,36.1],[651.0,66.7],[666.7,73.1],[679.7,66.7],[684.4,95.4]],"negative_points":[[630.2,64.8],[700.5,64.8],[666.7,129.6],[568.8,69.4]],"evidence":"目标位于图像上排，在抽屉图标右侧、循环箭头左侧，是带电话听筒的对话气泡。边界框紧贴气泡外轮廓及右下尾部；正点分布在气泡内部、听筒和尾部，负点位于周围外部背景及左侧独立的抽屉图标上。"}},{"name":"Circular arrows icon","description":"Three arrowed curved segments forming a cycle in the upper yellow row.","membership":"Includes the curved arrows and arrowheads only. The open center and gaps are excluded.","id":"obj_086","temporal":{"status":"found","start_s":9.75,"end_s":10.75,"reference_s":10.5,"evidence":"目标是黄色区域最上排、方框左侧的三段弧形箭头组成的循环图标。9.75秒首次完整显示，10.50秒为最后合格帧；此前9.50秒图标上部仍被画面上边缘裁切，随后10.75秒开始变灰淡出。选择10.50秒作关键帧，三段曲线及箭头清晰完整，无遮挡。","start_frame":234,"end_frame":258,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[748.4,18.5,799.0,112.0],"positive_points":[[770.8,22.2],[752.6,50.0],[791.7,34.3],[796.4,64.8],[755.7,78.7],[780.7,99.1]],"negative_points":[[728.0,65.0],[823.0,65.0],[775.0,148.0],[775.0,5.0]],"evidence":"目标位于图像上排偏右，由三段带箭头的弧线组成循环图标。边界框紧贴全部可见弧线及箭头；六个正点分布在三段弧线和箭头上，四个负点位于图标外侧背景，避开中心空白及段间间隙。"}},{"name":"Upper yellow rotating square","description":"A separate unfilled rotating square in the top yellow row, between the circular arrows and star.","membership":"Includes the square outline and enclosed region, following its rotation and deformation.","id":"obj_087","temporal":{"status":"found","start_s":10.25,"end_s":10.75,"reference_s":10.5,"evidence":"目标是黄色区域最上排、循环箭头与星形之间的独立空心方框。10.25秒方框轮廓完整，虽有旋转仍符合要求；10.50秒为最后合格帧。此前10.00秒仅见分离的角点，轮廓尚未完整呈现；此后10.75秒方框随画面开始淡出。选择10.50秒作为关键帧，此时方框端正、清晰且无遮挡。","start_frame":246,"end_frame":258,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[864.06,18.52,904.17,90.74],"positive_points":[[866,39],[884,22],[902,67],[873,49],[890,66],[875,87]],"negative_points":[[835,55],[933,60],[884,126],[775,63]],"evidence":"目标是顶排循环箭头与星形之间的独立空心正方形。边界框紧贴其外轮廓，包含方框线条及内部区域；六个正点分布在线条和内部，负点位于框外背景及左侧循环箭头上。"}},{"name":"Outlined green success icon","description":"The second example in the isolated five-style comparison: a pale-green circle with a darker green border and animated white check. It subsequently appears at the top of the permission dialog.","membership":"Includes the green disk, border, and white check when visible. Excludes neighboring comparison icons and, when inside the dialog, the surrounding dialog surface.","id":"obj_089","temporal":{"status":"found","start_s":11.75,"end_s":17.5,"reference_s":12.0,"evidence":"目标是五种样式对比中第二个浅绿色圆盘、深绿色描边及动画白色勾，随后连续移动到权限弹窗顶部。11.50秒仍在淡入，11.75秒结构完整；此后勾的变化不影响圆盘身份。最后符合帧为17.25秒，圆盘虽缩小但仍完整，17.50秒已消失。选择12.00秒作关键帧，目标边界及白勾清晰，与相邻图标容易区分。","start_frame":282,"end_frame":420,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[265,417,360,585],"positive_points":[[286.5,468.5],[325.5,448.1],[343.8,500],[320.8,550.9],[285.4,534.3],[307.3,521.3]],"negative_points":[[501,500],[89.6,500],[312.5,379.6],[382.8,532.4]],"evidence":"目标是从左数第二个图标，具有浅绿色圆盘、深绿色边框和白色对勾。边界框紧贴整个圆形图标；正点分布于圆盘不同部位及对勾上，负点位于左右相邻图标和目标外侧的白色背景。"}},{"name":"Flat green success icon","description":"The third example in the five-style comparison, a pale-green disk with a darker green check and no prominent outline.","membership":"Includes this circular disk and its green check when visible, excluding the other examples.","id":"obj_090","temporal":{"status":"found","start_s":12.5,"end_s":15.25,"reference_s":13.75,"evidence":"目标是五种样式对比中第三个图标：无明显描边的浅绿色圆盘，内有深绿色对勾。12.50秒首次完整呈现，前一帧12.25秒的对勾仍仅画出一小段；此后对勾循环变化，圆盘持续存在，最后合格帧为15.00秒。15.25秒画面转入弹窗，目标已消失。选择13.75秒作为关键帧，此时圆盘与完整对勾清晰，且与相邻样式分离。","start_frame":300,"end_frame":366,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[456.3,420.4,545.8,580.6],"positive_points":[[487.5,446.3],[521.4,444.4],[469.8,495.4],[493.2,526.9],[524.0,474.1],[513.0,555.6]],"negative_points":[[312.5,500.0],[683.9,500.0],[501.0,370.4],[573.0,509.3]],"evidence":"目标是从左数第三个图标：无明显描边的浅绿色圆盘，内含深绿色勾。边界框紧贴整个圆盘，包含勾；六个正点分布于圆盘表面及勾的笔画上，四个负点位于其他示例和圆盘外的白色背景。"}},{"name":"Sharp black success icon","description":"The fourth comparison example, a solid black disk with a white angular check extending toward its upper-right edge.","membership":"Includes the complete black disk and white check, including any projecting check portion.","id":"obj_091","temporal":{"status":"found","start_s":12.5,"end_s":15.25,"reference_s":12.5,"evidence":"目标是横排对比图中从左数第四个图标：实心黑圆盘配白色锐角勾，区别于第五个圆角勾。12.50秒首次完整呈现；此前12.25秒白勾仍在初始绘制，仅呈短折角。随后圆盘持续存在，内部勾形循环变化，最后合格帧为15.00秒。15.25秒画面转为权限弹窗，第四个图标已消失。选择12.50秒作为关键帧，圆盘和向右上延伸的完整白勾清晰、无遮挡。","start_frame":300,"end_frame":366,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[639.1,421.3,728.6,580.6],"positive_points":[[661.5,463],[698.4,445.4],[651.6,522.2],[697.4,552.8],[679.2,520.4],[708.3,478.7]],"negative_points":[[500,500],[869.8,500],[614.6,500],[682.3,629.6]],"evidence":"目标是从左数第四个图标，即带白色折角对勾的实心黑圆。边界框紧贴完整黑圆及白色对勾的可见范围；六个正点分布在黑色圆面和白色对勾上，四个负点位于相邻绿色、灰色图标及目标外侧的白色背景。"}},{"name":"Rounded black success icon","description":"The fifth and rightmost comparison example, a black disk with an animated white check having rounded ends.","membership":"Includes this black disk and the rounded white check, including its extension beyond the disk when visible.","id":"obj_092","temporal":{"status":"found","start_s":13.25,"end_s":15.25,"reference_s":13.25,"evidence":"目标是五个对比图标中最右侧的黑色圆盘，白色勾线端点圆润，长端可伸出圆盘。13.25秒首次完整呈现圆盘及圆头白勾；此前13.00秒白勾仍仅绘出短段。此后保留勾线循环变化的各阶段，最后合格帧为15.00秒；15.25秒该图标已变灰淡出。选择13.25秒作为关键帧，勾线完整、延伸端清楚且无遮挡。","start_frame":318,"end_frame":366,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[820.8,416.7,920.8,586.1],"positive_points":[[843.8,453.7],[885.4,457.4],[833.9,519.4],[869.8,563.0],[846.4,504.6],[916.7,438.9]],"negative_points":[[682.3,500.0],[940.1,507.4],[807.3,490.7],[869.8,379.6]],"evidence":"目标是最右侧第五个黑色圆盘及其圆端白色对勾。边界框紧贴圆盘，并包含右上方伸出圆盘的勾端。正点分布在圆盘、白色勾画和外伸端部；负点位于左侧独立黑圆及目标外围白色背景。"}},{"name":"Phone-access permission dialog","description":"A white rounded modal panel headed “The application requests access to your phone number,” with “Allow phone access for new features,” a green success graphic, and “Discard” and “Allow” buttons.","membership":"Includes the entire white panel surface, rounded boundary, green graphic, all text, and both buttons. Excludes the dimmed webpage and the separate external close control.","id":"obj_093","temporal":{"status":"found","start_s":15.25,"end_s":18.0,"reference_s":15.5,"evidence":"目标为白色圆角手机号码访问权限弹窗，包含绿色图形、说明文字及 Discard、Allow 按钮，不含外部关闭控件。15.25 秒面板表面与完整边界已建立，15.00 秒仍仅有图标展示；最后符合条件的帧为 17.75 秒，18.00 秒面板随设备下移，底部开始被画面边界裁切。选择 15.50 秒作为关键帧，弹窗完整清晰，文字、绿色图形和两个按钮均易于辨认。","start_frame":366,"end_frame":432,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[257.8,252.8,741.1,845.4],"positive_points":[[509,370],[625,499],[286,445],[703,770],[451,750],[556,750]],"negative_points":[[775,304],[200,500],[500,200],[500,900]],"evidence":"通过请求访问电话号码的标题、绿色勾选图形及 Discard、Allow 按钮识别该弹窗。边界框紧贴整个白色圆角面板，包含图形、文字和两个按钮。正点分布在面板表面、图形、标题及按钮上；负点位于外部独立关闭控件和四周变暗的网页区域。"}},{"name":"Permission dialog close control","description":"A gray circular control with a white X positioned outside the permission panel near its upper-right corner.","membership":"Includes the gray circular surface and enclosed white X. Excludes the dialog and surrounding dimmed page.","id":"obj_094","temporal":{"status":"found","start_s":15.25,"end_s":18.75,"reference_s":15.5,"evidence":"目标是权限面板右上角外侧的灰色圆形白色 X 关闭控件。15.25 秒首次完整出现，随页面缩小和移动持续可见，18.50 秒仍完整可见。前一帧 15.00 秒只有勾选图标，尚无该控件；后一帧 18.75 秒控件已随页面移出画面。选择 15.50 秒作为关键帧，控件边界及白色 X 清晰，无遮挡。","start_frame":366,"end_frame":450,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[757.3,273.1,792.2,334.3],"positive_points":[[775,303],[766,301],[782,291],[774,282],[782,316],[770,321]],"negative_points":[[747,304],[801,306],[775,254],[775,357]],"evidence":"目标是权限面板右上角外侧带白色 X 的灰色圆形关闭控件。边界框紧贴整个圆形控件，包含灰色表面和白色 X；六个正点分布于控件内部，四个负点位于圆形外部的变暗页面上，避开控件边缘。"}},{"name":"Animated icon count title","description":"Large white promotional text on green, progressively revealed as “900+ animated icons.”","membership":"Includes the complete visible text block only, excluding the green background and departing tablet.","id":"obj_096","temporal":{"status":"found","start_s":19.5,"end_s":19.75,"reference_s":19.5,"evidence":"目标为绿色背景上的白色完整标题“900+ animated icons”，不含背景和离场平板。首个及最后一个合格采样帧均为19.50秒；前一帧19.25秒仅显示“900+ animated”，文字尚未揭示完成，后一帧19.75秒已移除“900+”，开始退出。选择19.50秒为关键帧，因为完整标题清晰可见且无遮挡。","start_frame":468,"end_frame":474,"reference_frame":468},"grounding":{"status":"found","bbox_xyxy":[247,463,768,537],"positive_points":[[263,474],[333,528],[411,514],[547,507],[642,509],[761,517]],"negative_points":[[210,500],[800,500],[500,415],[500,590]],"evidence":"图像中央的白色标题为“900+ animated icons”。边界框紧贴完整可见文字块；六个正点分布在数字及各词的实际笔画上，四个负点位于文字块四周的绿色背景中。"}},{"name":"Style count title","description":"A later white promotional title on green, progressively revealed from “5” to “5 different styles.”","membership":"Includes only the complete visible title lettering, excluding the green background.","id":"obj_097","temporal":{"status":"found","start_s":21.5,"end_s":21.75,"reference_s":21.5,"evidence":"目标是绿色背景上的白色标题“5 different styles”。21.50秒首次显示完整标题，也是最后一个完整显示的采样帧；前一帧21.25秒仅显示“5 different”，揭示尚未完成，后一帧21.75秒已移除“5”，只剩“different styles”。选择21.50秒作为关键帧，因为完整标题可辨认且无遮挡。","start_frame":516,"end_frame":522,"reference_frame":516},"grounding":{"status":"found","bbox_xyxy":[303.1,463,715.1,553.7],"positive_points":[[316.7,522.2],[371.9,496.3],[421.4,500.9],[525,495.4],[604.2,504.6],[702.6,524.1]],"negative_points":[[259,502],[757,506],[506,401],[504,614]],"evidence":"图像中央绿色背景上的“5 different styles”与目标标题一致。边界框紧贴整段可见文字，包含数字及所有单词。六个正点分布在标题不同位置的字形笔画上，四个负点位于文字外围的绿色背景上。"}}]}
+{"video_id":307,"video_type":"icons and abstract motion graphics","targets":[{"name":"Soap dispensing icon","description":"Upper-left graphic in the opening hygiene collection: a dispenser releases a green drop above an open palm.","membership":"Includes the dispenser, drop, and hand, with their outlined interiors; excludes neighboring icons and surrounding white space.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是开场卫生图标组左上角的皂液器、绿色液滴及下方张开的手掌，三部分在0.00秒已完整呈现，最后合格帧为0.50秒。区间起点即视频开头，无更早采样帧；紧邻的0.75秒已切换为食品图标组，目标消失。选择0.00秒作为关键帧，目标轮廓清晰、无遮挡且易与相邻图标区分。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[120,166.7,210.4,325],"positive_points":[[156.3,194.4],[208.3,195.4],[182.3,181.5],[182.3,258.3],[139.6,295.4],[196.4,287]],"negative_points":[[328.1,247.2],[234.4,259.3],[182.3,129.6],[166.7,379.6]],"evidence":"目标位于左上角，是绿色分配器向摊开的手掌滴落液滴的图标。边界框紧贴分配器、液滴和手掌的完整可见范围；六个正点分布在分配器轮廓及内部圆形、液滴和手掌上，四个负点位于周围白色背景及右侧相邻图标上。"}},{"name":"Palm rubbing icon","description":"Second graphic across the opening top row: overlapping hands surrounded by green soap suds.","membership":"Includes both hands and their enclosed interiors, plus the associated suds; excludes neighboring graphics.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是开场顶行第二个图形：两只重叠的手及周围绿色肥皂泡沫。首个合格帧为0.00秒，结构已完整；最后合格帧为0.50秒，目标持续完整可见。区间始于视频开头，没有更早采样帧；紧邻的0.75秒帧已切换为食物图标，目标消失。选择0.00秒作为关键帧，双手和泡沫轮廓清晰，且与邻近图形分离。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[290.1,175,384.4,322.2],"positive_points":[[313.5,253.7],[347.9,243.5],[346.4,203.7],[378.6,195.4],[363,303.7],[320.3,317.6]],"negative_points":[[265.6,250],[399,254.6],[333.3,357.4],[494.8,250]],"evidence":"目标是顶行从左数第二个双手重叠、周围有绿色泡沫的图标。边界框覆盖两只手及其封闭内部和全部关联泡沫；正点分布于手部内部及外围泡沫，负点位于图标外侧空白和右侧相邻图标上。"}},{"name":"Finger interlacing icon","description":"Center graphic in the opening top row: a dark-outlined hand lies across a green hand with extended fingers.","membership":"Includes both complete hands and surrounding soap marks, retaining the open spaces between fingers; excludes neighboring graphics.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是开场顶行中央的交错手指图标：深色轮廓手横置于绿色手上，包含两只完整手和周围皂泡标记。首个合格帧为0.00秒，最后为0.50秒，期间结构完整。区间起点即视频开头，没有更早帧；紧接的0.75秒已切换为食物图标，目标消失。选择0.00秒作为关键帧，双手、指间空隙和皂泡清晰，无遮挡且易与相邻图标区分。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[451,181,549,329],"positive_points":[[458.3,209.3],[505.2,225],[515.6,285.2],[453.1,267.6],[479.2,323.1],[524,304.6]],"negative_points":[[500,151],[500,362],[334,253],[670,240]],"evidence":"目标是顶排中央深色描边手横跨绿色伸指手的图标。边界框包含两只完整的手及周围泡沫、圆形皂液标记。六个正点分布在双手轮廓和下方泡沫标记上；负点位于上下外部空白及左右相邻图标上，不标记指间空隙。"}},{"name":"Thumb washing icon","description":"Fourth graphic across the opening top row: an upright hand grips the other hand's thumb amid green suds.","membership":"Includes both hands, their outlined interiors, and associated suds; excludes neighboring graphics.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是开场顶排第四个图标：一只竖起的手握住另一只手的拇指，周围有绿色泡沫。首个合格帧为0.00秒，双手及泡沫已完整呈现；最后合格帧为0.50秒。区间起点即视频开头，无更早帧；紧接的0.75秒已切换为食品图标页，目标消失。选择0.00秒为关键帧，因为双手轮廓与泡沫清晰，且与相邻图标分离。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[623.4,150,711.5,319.4],"positive_points":[[654.2,257.4],[653.6,293.5],[683.3,261.1],[679.2,297.2],[658.3,193.5],[707.8,217.6]],"negative_points":[[609.4,234.3],[725.5,248.1],[666.7,354.6],[515.6,240.7]],"evidence":"目标是顶排第四个洗拇指图标，可见直立的手握住另一只手的拇指，周围有绿色泡沫。边界框紧贴双手及相关泡沫的整体范围；正点分布在手指、手掌、腕部及右侧泡沫上，负点位于图标外的空白和左侧相邻图标上。"}},{"name":"Knuckle rubbing icon","description":"Upper-right hygiene graphic: a dark closed hand rubs across a horizontal green hand.","membership":"Includes both hands and associated green suds, following their actual outlines; excludes neighboring graphics.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标位于右上角，由深色握拳手、横向绿色手和周围绿色泡沫组成。首个合格帧为0.00秒，最后为0.50秒，三帧中结构均完整。区间始于视频开头，无更早帧；紧邻的0.75秒帧已切换为食品图标，目标消失。选择0.00秒作为关键帧，两只手及泡沫轮廓清晰，与邻近图标分离。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[789.6,170.4,875,320.4],"positive_points":[[791.1,240.7],[870.8,242.6],[828.1,259.3],[849,174.1],[810.4,317.6],[860.4,293]],"negative_points":[[671.9,213],[911.5,250],[828.1,120.4],[828.1,375]],"evidence":"目标是右上角深色握拳横向摩擦绿色手掌的卫生图标。边界框紧贴两只手及周围绿色泡沫的可见轮廓；六个正点分布在双手轮廓和泡沫上，四个负点位于左侧另一图标及目标上、下、右侧的外部背景。"}},{"name":"Fist against palm icon","description":"Leftmost graphic in the opening middle row: a green fist sits beside an upright dark-outlined palm.","membership":"Includes both complete hands and the nearby soap bubbles belonging to this icon; excludes neighboring graphics.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是开场中排最左侧的图标，由绿色拳头、深色轮廓的直立手掌及周围皂泡组成。首个合格帧为0.00秒，末个为0.50秒，期间整个图标完整可见。区间从视频起点开始，无更早采样帧；紧邻的0.75秒帧已切换为食品图标，目标消失。选择0.00秒作为关键帧，因为双手和皂泡轮廓清晰、无遮挡，且与相邻图标分离。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[122.4,409.3,211,579.6],"positive_points":[[129.2,412.5],[135.4,463.9],[127.1,527.8],[146.4,574.1],[190.1,464.8],[191.1,567.6]],"negative_points":[[109.4,489.8],[234.4,500],[167.7,633.3],[322.4,492.6]],"evidence":"目标是中间一排最左侧的洗手图标，由绿色拳头、深色轮廓的竖直手掌及附近绿色泡泡组成。边界框紧贴两只手和泡泡的整体可见范围；正点分布在泡泡及双手轮廓上，负点位于外围空白和右侧相邻图标上。"}},{"name":"Fingertip washing icon","description":"Second graphic across the opening middle row: dark fingertips rub an upward-facing green palm.","membership":"Includes both hands, their enclosed interiors, and associated suds; excludes neighboring graphics.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标为开场中排从左数第二个图标：深色指尖摩擦向上的绿色手掌，包含双手及周围泡沫。首个合格帧为0.00秒，最后为0.50秒，结构均完整可见；区间始于视频开头，无更早帧。紧邻的0.75秒已切换为食品图标，目标消失。选择0.00秒作为关键帧，双手轮廓和泡沫清晰，与邻近图标分离。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[284.4,403.7,383.9,585.2],"positive_points":[[316.1,472.2],[337,425],[340.1,515.7],[347.9,563],[292.2,448.1],[381.3,504.6]],"negative_points":[[189.1,495.4],[489.1,518.5],[334.4,364.8],[400,496.3]],"evidence":"目标是中间一排从左数第二个图标，深色指尖正在揉搓朝上的绿色手掌。边界框涵盖两只手及其内部和周围泡沫；六个正点分布在绿色手掌、手指、深色手掌与腕部及两侧泡沫上，负点位于相邻图标和目标外的空白背景。"}},{"name":"Hand rinsing icon","description":"Center graphic in the opening middle row: two hands are held beneath a green faucet.","membership":"Includes the faucet, water strokes, and both hands with their enclosed interiors; excludes neighboring graphics.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标为开场中排正中央的洗手图标，包含绿色水龙头、水流线及下方两只手。0.00秒已完整呈现，至0.50秒仍完整可见；0.75秒画面切换为食品图标，目标消失。区间始于视频开头，无更早采样帧。选择0.00秒作为关键帧，因各组成部分清晰、无遮挡且易与邻近图标区分。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[449.5,410,538,577],"positive_points":[[524.5,413.9],[503.6,435.2],[514.6,478.7],[477.6,472.2],[478.1,537],[513,561]],"negative_points":[[337,500],[666,509],[560,476],[492,618]],"evidence":"目标是中间一排正中央、绿色水龙头下的双手冲洗图标。边界框紧贴水龙头、水流线条及两只手的整体可见范围；正点分布于龙头、水流和双手内部，负点位于左右相邻图标及目标右侧、下方的外部背景。"}},{"name":"Hand drying icon","description":"Fourth graphic across the opening middle row: hands press against a green-edged towel.","membership":"Includes the towel and both hands, including outlined enclosed areas; excludes neighboring graphics.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是开场中排第四个图标：双手贴着绿色边缘的毛巾，包含毛巾及两只手。首个合格帧为0.00秒，最后为0.50秒，期间结构完整可见；0.75秒已切换为另一组食品图标，目标消失。区间从视频起点开始，无更早帧。选择0.00秒作为关键帧，双手与毛巾轮廓清晰，与邻近图标分离。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[626.0,420.4,703.1,577.8],"positive_points":[[664.1,432.4],[647.4,490.7],[654.2,554.6],[681.3,519.4],[681.8,554.6],[635.9,471.3]],"negative_points":[[604.2,500.0],[724.0,500.0],[666.7,625.0],[666.7,356.5]],"evidence":"目标是中间一排从左数第四个擦手图标，双手贴着绿色边缘的毛巾。边界框紧贴毛巾及双手的完整可见范围；六个正点分布在毛巾和双手的轮廓内，四个负点位于图标四周的外部空白，未包含相邻图标。"}},{"name":"Turning off the tap icon","description":"Rightmost graphic in the opening middle row: a hand uses a cloth on a faucet.","membership":"Includes the hand, cloth, faucet, and visible water strokes belonging to the icon; excludes neighboring graphics.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是开场中排最右侧用布操作水龙头的手部图标，包括手、布、水龙头及可见水线。首个合格帧为0.00秒，结构已完整；最后合格帧为0.50秒。0.75秒画面切换为另一组食物图标，目标消失。区间始于视频开头，无更早采样帧。选择0.00秒作关键帧，手、布、水龙头和水线均清晰可辨。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[791.1,414.8,871.4,586.1],"positive_points":[[855.2,418.5],[859.4,472.2],[815.6,537.0],[798.4,546.3],[846.9,563.0],[841.7,579.6]],"negative_points":[[770.8,472.2],[888.0,472.2],[828.1,629.6],[828.1,365.7]],"evidence":"目标位于中间一排最右侧，是手隔着布关闭水龙头的图标。边界框紧贴手、绿色布、水龙头及下方水流短线；六个正点分布在这些组成部分的可见笔画上，四个负点位于图标四周的外部空白处，不包含相邻图形。"}},{"name":"Clean hand gestures icon","description":"Bottom-left graphic of the opening collection: two hands make celebratory gestures beneath green sparkles.","membership":"Includes both hands and the three cleanliness sparkles as one compact symbol; excludes neighboring icons.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是开场图标集合左下角的双手庆祝手势及上方三颗绿色洁净闪光，未包含相邻食物图标。首个合格帧为0.00秒，双手与三颗闪光均已完整呈现；最后合格帧为0.50秒。0.75秒已切换为另一组食物图标，目标消失。区间始于视频开头，无更早采样帧。选择0.00秒作为关键帧，目标轮廓完整清晰、无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[119.8,659.3,217.2,821.3],"positive_points":[[155.7,664.8],[172.9,691.7],[186.5,671.3],[129.2,727.8],[142.7,814.8],[193.2,813.9]],"negative_points":[[106.8,740.7],[235,747],[171.9,629.6],[334.4,771.3]],"evidence":"目标是左下角两只手做庆祝手势、上方带三枚绿色闪光的图标。边界框紧贴双手及全部闪光；六个正点分布在闪光和双手轮廓上，负点位于外围空白及右侧汉堡图标上，排除邻近图形。"}},{"name":"Hamburger icon","description":"Second graphic across the opening bottom row: a separated-layer hamburger with a seeded bun and green lettuce.","membership":"Includes all bun and filling layers with their enclosed interiors; excludes the gaps between layers and neighboring graphics.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是开场底行第二个汉堡图标，具有芝麻顶面包、绿色生菜及分离的馅料和底面包层。首个合格帧为0.00秒，最后为0.50秒，各层均完整可见；0.75秒画面已切换为另一组食品图标，目标消失。区间始于视频开头，没有更早的 sampled 帧。选择0.00秒作为关键帧，形状清晰完整且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[295.8,666.7,372.4,815.7],"positive_points":[[319.3,694.4],[353.6,698.1],[307.3,738.0],[355.7,738.0],[333.3,768.5],[334.4,800.0]],"negative_points":[[280,741],[389,740],[335,640],[335,841]],"evidence":"目标是底排从左数第二个分层汉堡图标，具有带籽上面包和绿色生菜。边界框紧贴全部面包与夹层的可见范围；六个正点分布在上面包、生菜、夹心和下面包的轮廓内，四个负点位于图标四周的外部空白，未标注层间缝隙。"}},{"name":"Apple icon","description":"Center graphic in the opening bottom row: a dark-outlined apple with a green leaf.","membership":"Includes the apple's enclosed body, stem, leaf, and interior highlight; excludes surrounding white space and neighboring icons.","id":"obj_013","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是开场底行中央的苹果图标，具有深色闭合轮廓、果梗、绿色叶片和内部高光。首个合格帧为0.00秒，最后为0.50秒，期间结构完整，仅有轻微动画变化；0.75秒已切换为另一组食品图标，苹果消失。区间始于视频开头，无更早采样帧。选择0.00秒作为关键帧，苹果形状清晰完整且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[467.2,662.0,537.5,807.4],"positive_points":[[501.0,674.1],[514.1,696.3],[480.2,735.2],[485.0,764.0],[524.0,753.0],[511.0,789.0]],"negative_points":[[448.0,735.0],[553.0,741.0],[516.0,642.0],[334.0,767.0]],"evidence":"目标是底排中央的深色轮廓苹果，顶部有绿色叶片。边界框紧贴苹果主体、果梗和叶片；正点分布在叶片、果梗、内部高光及封闭果身内，负点位于外围白色背景和左侧汉堡图标上。"}},{"name":"Cherries icon","description":"Fourth graphic across the opening bottom row: two cherries hang from connected stems beneath a green leaf.","membership":"Includes both enclosed fruits, connecting stems, and leaf; excludes the open space between stems and neighboring icons.","id":"obj_014","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是开场底行第四个图标，由两颗封闭轮廓的樱桃、相连果梗及绿色叶片组成。0.00秒已完整呈现，最后合格帧为0.50秒；0.75秒切换为另一组食品图标，樱桃消失。区间始于视频开头，无更早采样帧。选择0.00秒作为关键帧，双果、果梗和叶片清晰且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[630.2,678.7,703.1,818.5],"positive_points":[[644.8,791.7],[687.5,771.3],[658.3,738.0],[673.4,736.1],[670.8,683.3],[684.9,718.5]],"negative_points":[[609.4,733.3],[724.0,800.9],[524.0,750.0],[835.4,754.6]],"evidence":"目标位于底排第四个���是绿色叶片下由相连果梗悬挂的两颗樱桃。边界框紧贴两颗果实、果梗和叶片的整体可见范围。六个正点分布于果实内部、两条果梗及叶片轮廓；负点位于图标外侧背景和邻近的苹果、胡萝卜上，避开果梗间的空隙。"}},{"name":"Carrot icon","description":"Bottom-right graphic of the opening collection: a slender carrot with a green leafy crown.","membership":"Includes the complete carrot body, internal marks, and leafy top; excludes neighboring graphics.","id":"obj_015","temporal":{"status":"found","start_s":0,"end_s":0.75,"reference_s":0,"evidence":"目标是开场图标集合右下角的胡萝卜，具有细长轮廓、内部短线和绿色叶冠。首个合格帧为0.00秒，末个为0.50秒，期间完整可见；0.75秒已切换为另一组食品图标，胡萝卜消失。区间始于视频开头，无更早帧。选择0.00秒作为关键帧，目标结构清晰完整且无遮挡。","start_frame":0,"end_frame":18,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[817.7,666.7,847.4,815.7],"positive_points":[[820.8,681.5],[831.3,671.3],[823.4,720.4],[836.5,745.4],[833.3,770.4],[838.5,811.1]],"negative_points":[[800,740],[865,750],[832,630],[676,700]],"evidence":"目标是图像右下角带绿色叶冠的细长胡萝卜。边框紧贴完整叶冠、胡萝卜主体及内部短线；六个正点分布在叶冠、主体轮廓和内部标记上，负点位于周围外部白色背景及左侧樱桃图形上。"}},{"name":"Steaming bread loaf icon","description":"Upper-left graphic of the next food collection: a rounded scored loaf beneath a green curl of steam.","membership":"Includes the loaf and its enclosed interior, scoring, and associated steam strokes; excludes neighboring graphics.","id":"obj_016","temporal":{"status":"found","start_s":0.75,"end_s":3.25,"reference_s":0.75,"evidence":"目标是食品图标组左上角的圆顶面包，带切痕及绿色蒸汽曲线。首个完整呈现帧为0.75秒，最后符合条件的帧为3.00秒；期间蒸汽变化属于完整图标的动画。前一帧0.50秒为洗手等图标，尚无该面包；后一帧3.25秒已切换为柠檬等另一组食品图标。选择0.75秒为关键帧，面包、切痕和蒸汽均清晰且无遮挡。","start_frame":18,"end_frame":78,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[126.04,166.67,210.94,306.48],"positive_points":[[157.29,169.44],[172.4,191.67],[166.67,221.3],[140.63,287.04],[168.23,291.67],[198.44,283.33]],"negative_points":[[114.58,222.22],[223.96,277.78],[168.23,333.33],[312.5,233.33]],"evidence":"目标是左上角绿色蒸汽下方的圆顶划纹面包。紧致框覆盖完整蒸汽笔画及面包轮廓；正点分布于蒸汽和面包内部，负点位于图标外侧空白及右侧相邻纸杯蛋糕上。"}},{"name":"Cupcake icon","description":"Second graphic across the bread collection's top row: a fluted cupcake with rounded frosting and green sprinkles, later showing a bite.","membership":"Includes the complete visible cupcake and sprinkles, following the changing frosting and bite outline; excludes removed bite space and neighboring graphics.","id":"obj_017","temporal":{"status":"found","start_s":0.75,"end_s":3.25,"reference_s":0.75,"evidence":"目标是面包主题图标组顶排第二个纸杯蛋糕，具有褶皱杯托、圆润糖霜和绿色糖针，后续糖霜出现咬痕。首个合格帧为0.75秒，末个为3.00秒，期间完整图标持续可见，包括倾斜和咬痕变化。前一帧0.50秒是洗手图标组；后一帧3.25秒已切换为另一组食品图标，蛋糕消失。选择0.75秒作为关键帧，因为蛋糕正立、轮廓完整且无遮挡。","start_frame":18,"end_frame":78,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[300.5,181.5,367.2,318.5],"positive_points":[[333.3,184.3],[303.1,231.5],[364.6,236.1],[334.9,200],[313,282.4],[340.6,288.9]],"negative_points":[[333,150],[333,355],[167,300],[499,265]],"evidence":"目标是顶排第二个杯子蛋糕图标，具有圆弧奶油、绿色糖针和褶皱纸杯。边框紧贴完整可见图标；六个正点分布于奶油轮廓、糖针和纸杯线条，四个负点位于上下外部背景及相邻面包、蛋糕图标处。"}},{"name":"Birthday cake icon","description":"Center graphic in the bread collection's top row: a two-tier cake with green icing and one lit candle.","membership":"Includes both cake tiers, icing, candle, and flame, with enclosed interiors; excludes neighboring graphics.","id":"obj_018","temporal":{"status":"found","start_s":0.75,"end_s":3.25,"reference_s":0.75,"evidence":"目标是面包图标集合顶排中央的双层生日蛋糕，带绿色糖霜、一根蜡烛及火焰。首个合格帧为0.75秒，结构已完整；最后合格帧为3.00秒。此前0.50秒为洗手图标集合，此后3.25秒已切换为另一组食品图标，蛋糕不再出现。选择0.75秒作为关键帧，因为蛋糕正向完整、无遮挡，且与周围图标分隔清楚。","start_frame":18,"end_frame":78,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[466.1,152.8,533.3,319.4],"positive_points":[[500,170.4],[499.5,209.3],[491,239.8],[511,255.6],[478.1,296.3],[520.8,304.6]],"negative_points":[[446.9,245.4],[552.1,277.8],[333.3,250],[665.1,240.7]],"evidence":"目标是顶排中央带绿色糖霜和一根点燃蜡烛的双层生日蛋糕。边界框紧贴火焰至底层蛋糕的完整范围；六个正点分布于火焰、蜡烛及两层蛋糕内部和糖霜，四个负点位于左右外部空白及相邻纸杯蛋糕、冰淇淋图标上。"}},{"name":"Ice cream cone icon","description":"Fourth graphic across the bread collection's top row: two rounded scoops above a striped cone, with the scoops separating during animation.","membership":"Includes the cone, both scoops, and their interior markings through movement; excludes intervening gaps and neighboring graphics.","id":"obj_019","temporal":{"status":"found","start_s":0.75,"end_s":3.25,"reference_s":0.75,"evidence":"目标是面包图标组顶排第四个冰淇淋图标，包含两个圆润冰淇淋球和带斜纹的蛋筒。首次完整出现在0.75秒，最后一个符合条件的帧为3.00秒；球体分离和复合属于完整图标的动画，均保留。此前0.50秒是洗手图标组，之后3.25秒已替换为另一组食物图标。选择0.75秒为关键帧，因为双球与蛋筒结构清晰、无遮挡。","start_frame":18,"end_frame":78,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[643,171,687,320],"positive_points":[[665,174.5],[658.3,194.4],[645.5,217.6],[684.5,243.5],[663.5,278],[665.6,315]],"negative_points":[[620,245],[708,240],[666,360],[500,282]],"evidence":"目标是顶排第四个冰淇淋图标，由上下两层圆润冰淇淋和带斜纹的锥筒组成。紧边界框覆盖两层冰淇淋、内部标记及整个锥筒；六个正点分布在黑色轮廓、内部短线、绿色下层轮廓和锥筒条纹及尖端。负点位于图标左右及下方的外部背景，并包含左邻蛋糕上的一点。"}},{"name":"Chicken drumstick icon","description":"Upper-right graphic of the bread collection: a drumstick with a green bone, rotating and acquiring a bite.","membership":"Includes the visible meat and bone with their enclosed interiors and markings; follows the bite concavity and excludes neighboring graphics.","id":"obj_020","temporal":{"status":"found","start_s":0.75,"end_s":3.25,"reference_s":0.75,"evidence":"目标是面包主题图标组右上角的鸡腿，深色肉块轮廓连接绿色骨头，随后旋转并出现咬痕。首个合格帧为0.75秒，结构已完整；最后合格帧为3.00秒。前一帧0.50秒是洗手图标组，尚无该鸡腿；后一帧3.25秒已切换为另一组食物图标，鸡腿消失。选择0.75秒作为关键帧，因为肉块、骨头及内部标记清晰完整且无遮挡。","start_frame":18,"end_frame":78,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[791.7,175.9,869.8,313.9],"positive_points":[[807.3,205.6],[802.1,229.6],[822.9,225],[830.7,253.7],[844.8,270.4],[862,287]],"negative_points":[[776,222.2],[879.2,244.4],[838.5,333.3],[830.7,488]],"evidence":"目标是图像右上角带绿色骨头的鸡腿图标。边界框紧贴肉部及骨头的完整可见范围；正点分布在肉部、内部标记及骨头内部，负点位于图标外围空白和下方独立的牛奶瓶图标上。"}},{"name":"Steak icon","description":"Leftmost graphic in the bread collection's middle row: a thick steak with an oval bone mark and green grill strokes.","membership":"Includes the steak's complete outlined body, side edge, and internal markings; excludes neighboring graphics.","id":"obj_021","temporal":{"status":"found","start_s":0.75,"end_s":3.25,"reference_s":0.75,"evidence":"目标是面包图标组中排最左侧的牛排，具有完整厚实轮廓、侧边、椭圆骨纹和绿色烤痕。首个合格帧为0.75秒，最后为3.00秒，期间虽有变形和转动但持续完整可见。前一帧0.50秒为洗手图标组，后一帧3.25秒已切换为另一组食物图标，原目标消失。选择0.75秒作为关键帧，牛排结构清晰完整且无遮挡。","start_frame":18,"end_frame":78,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[124.5,444.4,211.5,548.2],"positive_points":[[182.8,447.2],[126.6,500],[183.3,545.4],[209.4,492.6],[144.8,479.6],[181.3,483.3]],"negative_points":[[169,421],[170,573],[110,495],[227,495]],"evidence":"目标是中排最左侧带椭圆骨头标记和绿色烤痕的厚牛排图标。边界框紧贴完整外轮廓，包含侧边及内部标记；六个正点分布于上下轮廓、左右边缘、骨头标记和绿色烤痕，四个负点位于图标外围背景。"}},{"name":"Chopsticks icon","description":"Second graphic across the bread collection's middle row: two separate dark-outlined chopsticks with small green bands.","membership":"Includes both complete chopsticks and their enclosed interiors; excludes the open gap between them and neighboring graphics.","id":"obj_022","temporal":{"status":"found","start_s":0.75,"end_s":3.25,"reference_s":1.0,"evidence":"目标是面包图标集合中排第二个图形：两根独立的深色描边筷子，各带绿色短带，区别于右侧碗内的筷子。首个合格帧为0.75秒，两根筷子均已完整呈现；末个合格帧为3.00秒，期间旋转不影响完整性。前一帧0.50秒是洗手图标集合，后一帧3.25秒已替换为另一组食品图标，目标均不在其中。选择1.00秒作为关键帧，两根筷子清晰分离、无遮挡。","start_frame":18,"end_frame":78,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[294.3,415.7,377.1,532.4],"positive_points":[[315.6,425],[339.1,459.3],[367.7,498.1],[301,473.1],[329.2,496.3],[362.5,520.4]],"negative_points":[[281.3,444.4],[395.8,490.7],[330.7,564.8],[337.5,378.7]],"evidence":"目标是中排从左数第二个图标，由两根带绿色短带的深色轮廓筷子组成。边界框紧贴两根完整筷子的可见范围；六个正点分别覆盖两根筷子的两端及中段，四个负点位于图标外围背景，不落在筷子之间的空隙或内部。"}},{"name":"Bowl with chopsticks icon","description":"Center graphic in the bread collection's middle row: a footed bowl with two chopsticks that lift above it.","membership":"Includes the bowl and both chopsticks with their enclosed interiors; excludes gaps between the components and neighboring graphics.","id":"obj_023","temporal":{"status":"found","start_s":0.75,"end_s":3.25,"reference_s":1.5,"evidence":"目标是面包图标集合中第二行中央的带底座碗及两根筷子。0.75秒首次完整出现，至3.00秒仍完整可见；期间筷子抬起、旋转不影响其连续性。前一帧0.50秒为洗手图标集合，后一帧3.25秒已换成另一组食品图标，目标消失。选择1.50秒作关键帧，碗和两根抬起的筷子清晰分离，便于标注。","start_frame":18,"end_frame":78,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[465.6,383.3,551.6,567.6],"positive_points":[[498,425],[530.2,400.9],[506.3,450],[539.1,444.4],[498.4,523.1],[500,556.5]],"negative_points":[[443,524],[500,602],[651,477],[343,484]],"evidence":"目标是图像中间一行中央的碗筷图标。边界框紧包上方两根筷子及下方带底足的碗；六个正点分别覆盖两根筷子及碗身、碗足的轮廓或封闭内部。负点位于图标外侧背景和相邻餐具上，不标记组件间隙。"}},{"name":"Fork and knife icon","description":"Fourth graphic across the bread collection's middle row: a fork and a table knife with a green handle, alternately crossing and separating.","membership":"Includes both utensils and their outlined interiors, retaining open tine gaps; excludes neighboring graphics.","id":"obj_024","temporal":{"status":"found","start_s":0.75,"end_s":3.25,"reference_s":0.75,"evidence":"目标是面包主题图标组中排第四个图形，由叉子和绿色刀柄的餐刀组成，两件餐具交替交叉、分开。首个合格帧为0.75秒，最后合格帧为3.00秒，期间结构完整可见。前一帧0.50秒为洗手主题图标组，后一帧3.25秒已替换为另一组食品图标，均无此目标。选择0.75秒作为关键帧，因为两件餐具分开直立，轮廓及叉齿间隙清晰，便于标注。","start_frame":18,"end_frame":78,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[639.1,418.5,691.7,566.7],"positive_points":[[649.5,430.6],[650,461.1],[652.1,524.1],[682.8,450.9],[680.7,500],[682.8,540.7]],"negative_points":[[619.8,486.1],[710.9,489.8],[661.5,387],[666.7,601.9]],"evidence":"目标是中排从左数第四个图标，由左侧叉子和右侧绿色刀柄的餐刀组成。边界框紧贴两件餐具的完整可见范围；六个正点分布在叉齿、叉颈、叉柄及刀身、刀柄上，四个负点位于图标四周的外部空白，避开叉齿间隙和轮廓内部。"}},{"name":"Milk bottle icon","description":"Rightmost graphic in the bread collection's middle row: a capped bottle with a green liquid line and the letter \"M\".","membership":"Includes the bottle boundary, enclosed surface, cap, liquid line, and letter; excludes neighboring graphics.","id":"obj_025","temporal":{"status":"found","start_s":0.75,"end_s":3.25,"reference_s":0.75,"evidence":"目标是面包图标集合中间一行最右侧的奶瓶，具有完整瓶身、瓶盖、绿色液面线及字母“M”。首个合格帧为0.75秒，最后为3.00秒；期间瓶身倾斜和液面变化不影响其完整呈现。前一帧0.50秒是洗手图标集合，后一帧3.25秒已换成另一组食品图标，均无该奶瓶。选择0.75秒作为关键帧，因为奶瓶直立、轮廓清晰且无遮挡。","start_frame":18,"end_frame":78,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[812.5,417.6,849.5,567.6],"positive_points":[[831,429],[830,456],[830,489],[825,522],[841,543],[830,561]],"negative_points":[[795,490],[867,491],[832,393],[831,593]],"evidence":"目标是中排最右侧带瓶盖、绿色液面线和字母“M”的牛奶瓶。边界框紧贴完整瓶身与瓶盖；正点分布于瓶盖、瓶内表面、液面��、字母及瓶底，负点位于瓶子四周的外部空白，排除邻近图形。"}},{"name":"Cheese wheel icon","description":"Bottom-left graphic of the bread collection: a round cheese wheel and a green-outlined wedge that moves away from its cutout.","membership":"Includes the wheel and wedge with their enclosed surfaces and markings; follows the wheel's missing-wedge concavity and excludes intervening space.","id":"obj_026","temporal":{"status":"found","start_s":0.75,"end_s":3.25,"reference_s":0.75,"evidence":"目标是面包食品图标组左下角的圆形奶酪轮及绿色描边楔形奶酪块。0.75秒首次完整出现，至3.00秒仍完整可见，期间楔形块相对缺口移动。前一帧0.50秒为洗手图标组，后一帧3.25秒已切换为另一组食品图标，均无该目标。选择0.75秒作为关键帧，奶酪轮缺口及楔形块轮廓和 markings 清楚，便于区分与标注。","start_frame":18,"end_frame":78,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[122.9,688.9,209,812],"positive_points":[[177.1,708.3],[199.5,721.3],[194.3,754.6],[141.1,749.1],[132.3,783.3],[150,777.8]],"negative_points":[[109.4,750],[220.3,754.6],[166.7,833.3],[327.1,715.7]],"evidence":"目标是左下角带缺口的圆形奶酪轮及其左前方绿色轮廓的奶酪块。边界框紧贴两部分的整体可见范围；六个正点分布在奶酪轮和楔形块的内部表面，负点位于图标外围白色背景及右侧独立的蜂蜜棒图标上，不标记内部空隙。"}},{"name":"Honey dipper icon","description":"Second graphic across the bread collection's bottom row: a grooved horizontal dipper with green honey dripping from it.","membership":"Includes the handle, grooved head, and visible honey drips; excludes neighboring graphics and empty space between separated strokes.","id":"obj_027","temporal":{"status":"found","start_s":0.75,"end_s":3.25,"reference_s":0.75,"evidence":"目标是面包主题图标组底排第二个蜂蜜棒，具有横向手柄、带沟槽的头部和绿色蜂蜜滴。首个合格帧为0.75秒，最后为3.00秒；期间旋转及蜜滴伸缩属于同一图标的动画。前一帧0.50秒仍为洗手主题图标组，后一帧3.25秒已换成另一组食品图标。选择0.75秒作为关键帧，因为蜂蜜棒结构完整、蜜滴清楚且无遮挡。","start_frame":18,"end_frame":78,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[308.9,681.5,382.8,814.0],"positive_points":[[310.4,711.1],[332.3,685.2],[341.1,716.7],[371.9,705.6],[315.6,787.0],[344.8,768.5]],"negative_points":[[286.5,722.2],[333.3,851.9],[207.8,740.7],[466.1,768.5]],"evidence":"目标是底排从左数第二个蜂蜜棒图标，具有横向带槽棒头、右侧手柄和绿色蜂蜜滴。边界框紧密覆盖棒头、手柄及全部可见滴液；六个正点分布在这些部分的实际笔画上，负点位于外围空白及相邻奶酪、餐罩图标上。"}},{"name":"Serving cloche icon","description":"Center graphic in the bread collection's bottom row: a domed serving cover lifts to reveal a steaming plated portion.","membership":"Includes the lid and knob, serving base, plate, food, and associated steam when visible; excludes the open gap beneath the raised lid and neighboring graphics.","id":"obj_028","temporal":{"status":"found","start_s":0.75,"end_s":3.25,"reference_s":1.75,"evidence":"目标是面包图标集合底排中央的餐盖图标，包含带圆钮的拱形盖、底座及揭盖后出现的餐盘、食物和蒸汽。0.75秒首次完整出现，餐盖处于闭合状态；随后抬盖，至3.00秒仍完整可见。前一帧0.50秒是洗手图标集合，后一帧3.25秒已换成另一组食品图标，目标消失。选择1.75秒为关键帧，盖子抬起，餐盘、食物及蒸汽清晰可辨。","start_frame":18,"end_frame":78,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[457.3,633.3,547.4,800],"positive_points":[[545.3,692.6],[541.7,638],[507.3,796.3],[476.6,775],[492.2,733.3],[500,693.5]],"negative_points":[[499,563],[333,741],[686,724],[563,779]],"evidence":"目标是底排中央掀起罩盖、露出冒汽食物的餐罩图标。边界框紧贴罩盖及旋钮、蒸汽、食物、餐盘和底座的可见范围；六个正点分布于这些部件的实际线条上。负点位于上方碗、左侧蜂蜜棒、右侧瓶子及目标右侧外部背景，避开罩盖下的空隙。"}},{"name":"Pouring bottle icon","description":"Fourth graphic across the bread collection's bottom row: a slender bottle with two green bands tilts and pours a green stream.","membership":"Includes the complete bottle, its interior markings, and the visible pouring stream and drops; excludes neighboring graphics.","id":"obj_029","temporal":{"status":"found","start_s":0.75,"end_s":3.25,"reference_s":2.0,"evidence":"目标是面包图标组底排第四个细长瓶，瓶内有两道绿色横带，随后倾斜并倒出绿色液流。0.75秒首次出现时瓶体已完整；至3.00秒仍可见同一瓶体及残留液滴。前一帧0.50秒为洗手图标组，后一帧3.25秒已替���为另一组食品图标。选择2.00秒作为关键帧，此时瓶体、内部横带和倾倒液流均清晰完整，且与邻近图标分离。","start_frame":18,"end_frame":78,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[616,692.5,726.5,817],"positive_points":[[645,711],[682,716],[701,721],[723,723],[624,759],[618.2,804.6]],"negative_points":[[585,750],[673,655],[672,844],[860,789]],"evidence":"目标是底排第四个倾斜倒液的细瓶，瓶身有两条绿色带。边框覆盖完整瓶体、内部标记及向左下方流出的绿色液流。正点分布于瓶口、绿色带、瓶身边缘和液流；负点位于外围空白及右侧相邻瓶子图案，排除邻近图形。"}},{"name":"Popping bottle icon","description":"Bottom-right graphic of the bread collection: a broader bottle with a green rectangular label ejects its stopper.","membership":"Includes the bottle, enclosed label area, and stopper through its movement; excludes transient burst accents and neighboring graphics.","id":"obj_030","temporal":{"status":"found","start_s":0.75,"end_s":3.25,"reference_s":1.75,"evidence":"目标是面包主题图标组右下角的宽瓶，瓶身带绿色矩形标签，瓶塞随动画弹出；不计周围短暂喷射线。首个合格帧为0.75秒，末个为3.00秒，期间瓶身完整，倾斜及弹塞属于完整图标的动画。此前0.50秒为洗手主题图标组，此后3.25秒已替换为另一组食品图标。选择1.75秒作为关键帧，瓶身、标签和弹出的瓶塞均清楚可见。","start_frame":18,"end_frame":78,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[777.6,650.9,888.5,842.6],"positive_points":[[782.3,663.9],[827.1,726.9],[844.8,766.7],[862.5,794.4],[864.1,837.0],[879.7,787.0]],"negative_points":[[807.3,698.1],[901.0,788.9],[685.9,725.0],[770.8,787.0]],"evidence":"目标是右下角带绿色矩形标签、瓶塞弹出的宽瓶图标。边界框覆盖瓶身、标签及左上方飞出的瓶塞，不包含绿色喷发短线。正点分布在瓶塞、瓶颈、瓶身和标签区域；负点位于排除的绿色短线、邻近倒酒瓶及外围背景。"}},{"name":"Lemon and wedge icon","description":"Upper-left graphic of the following collection: a whole lemon paired with a green segmented citrus wedge.","membership":"Includes the whole lemon and wedge with their enclosed interiors and segment lines; excludes transient accent marks and neighboring graphics.","id":"obj_031","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":3.25,"evidence":"目标是该组图标左上角的整颗柠檬与绿色分瓣柠檬角，不含短暂出现的装饰短线。3.25秒首次完整呈现，之后虽有旋转和位移仍持续完整可见，最后合格帧为5.50秒。此前3.00秒是另一组食品图标，此后5.75秒切换为桃子、香蕉等图标，目标消失。选择3.25秒为关键帧，因为柠檬轮廓和柠檬角分瓣线清晰，且无瞬时装饰干扰。","start_frame":78,"end_frame":138,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[128.1,185.2,209.9,303.7],"positive_points":[[151,237],[166,215],[140,277],[161,270],[180,282],[195,272]],"negative_points":[[115,231],[221,263],[172,158],[169,328]],"evidence":"目标是左上角由完整柠檬与绿色分瓣柠檬片组成的图标。边界框紧贴两者的可见轮廓，包含封闭内部及分瓣线；六个正点分布在柠檬和切片内，四个负点位于图标四周、远离轮廓的白色背景。"}},{"name":"Burger and drink meal icon","description":"Second graphic across the lemon collection's top row: a takeaway cup with straw and green lid beside a small burger that gains a bite.","membership":"Includes the complete cup, lid, straw, and burger; follows the burger's visible bite contour and excludes neighboring graphics.","id":"obj_032","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":3.75,"evidence":"目标是柠檬图标组顶排第二个图形，由绿色杯盖、吸管、外带杯及旁边的小汉堡组成。3.25秒首次完整出现，持续至5.50秒；汉堡出现咬痕及整体运动不影响其连续身份。前一帧3.00秒为另一组食品图标，后一帧5.75秒已切换为水果和调味品图标组。选择3.75秒，杯子、杯盖、吸管和汉堡咬痕轮廓清晰，且无遮挡。","start_frame":78,"end_frame":138,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[293.8,154.6,372.9,319.4],"positive_points":[[322.9,169.4],[303.1,196.3],[300.5,259.3],[315.1,315.7],[355.2,246.3],[348.4,294.4]],"negative_points":[[278.6,240.7],[385.4,277.8],[182.3,194.4],[329.7,430.6]],"evidence":"目标是顶行从左数第二个图标，由绿色杯盖、吸管、外带杯和右侧带咬口的汉堡组成。边界框紧贴这些部件的完整可见范围；六个正点分布在吸管、杯盖、杯身及汉堡轮廓上，四个负点位于两侧外部背景和相邻的柠檬、薯条图标上。"}},{"name":"Sausage on fork icon","description":"Center graphic in the lemon collection's top row: a curved scored sausage bounces above a green-handled fork.","membership":"Includes the sausage and fork with their enclosed interiors; excludes the separation gap and neighboring graphics.","id":"obj_033","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":4.0,"evidence":"目标是柠檬图标组顶排中央的弯曲带刻痕香肠及绿色柄叉子。3.25秒首次完整出现，至5.50秒仍完整可见；此前3.00秒为另一组食物图标，之后5.75秒切换为水果和调料图标，目标消失。选择4.00秒为关键帧，香肠与叉子上下分离、轮廓清晰且无遮挡，便于排除中间空隙及邻近图形。","start_frame":78,"end_frame":138,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[463.0,148.1,537.5,330.6],"positive_points":[[477.6,181.5],[500,164.8],[521.4,184.3],[491.1,240.7],[500,271.3],[500,306.5]],"negative_points":[[449.5,240.7],[553.1,240.7],[500,120.4],[500,360.2]],"evidence":"目标位于顶排中央，是弯曲带刻纹的香肠及其下方绿柄叉子。框紧贴两部分的整体可见范围；正点分布在香肠内部、叉齿及叉柄上，负点位于图标外围背景，不标记两部分之间的间隙或内部空白。"}},{"name":"Doughnut icon","description":"Fourth graphic across the lemon collection's top row: a ring doughnut with dripping icing and green sprinkles, later missing a bite.","membership":"Includes the ring's outer boundary, enclosed hole, icing, and sprinkles; follows the external bite concavity and excludes neighboring graphics.","id":"obj_034","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":3.25,"evidence":"目标是柠檬图标组顶行第四个甜甜圈，具有环形外边界、中央孔洞、滴落状糖霜和绿色糖针，后续出现咬痕。首个合格帧为3.25秒，最后合格帧为5.50秒；此前3.00秒为另一组食品图标，此后5.75秒已切换为水果与调料图标组，均无该目标。选择3.25秒作为关键帧，因为甜甜圈结构完整、无遮挡且易于辨认。","start_frame":78,"end_frame":138,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[622.9,170.4,706.8,319.4],"positive_points":[[662.5,173.1],[624.5,245.4],[665.1,316.7],[695.3,252.8],[653.6,200.9],[665.1,245.4]],"negative_points":[[599,245.4],[729.2,245.4],[665.1,134.3],[665.1,361.1]],"evidence":"目标是顶排从左数第四个带滴落糖霜和绿色糖针的环形甜甜圈。边界框紧贴完整图标的外轮廓；正点分布在外边界、糖霜、糖针及规则明确包含的中心孔内，负点位于图标四周的外部空白，均避开相邻图形。"}},{"name":"Melted cheese sandwich icon","description":"Upper-right graphic of the lemon collection: a layered sandwich with green filling dripping below it.","membership":"Includes both bread portions and the complete filling, including its hanging drips and enclosed surfaces; excludes neighboring graphics.","id":"obj_035","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":3.25,"evidence":"目标是柠檬图标组右上角的三明治，包含上下两层面包及绿色夹馅和下垂的芝士滴。首个完整呈现帧为3.25秒，最后 qualifying 帧为5.50秒；期间虽有压扁变形，仍为完整图标。前一帧3.00秒是另一组食物图标，后一帧5.75秒已切换为水果和调味品图标，均无此目标。选择3.25秒作关键帧，因为面包轮廓、夹馅和滴落部分清楚且无遮挡。","start_frame":78,"end_frame":138,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[789.6,185.2,872.4,303.7],"positive_points":[[841.7,217.6],[812.5,241.7],[804.2,292.6],[859.4,292.6],[816.7,275],[837,294.4]],"negative_points":[[770,240],[892,260],[830,342],[705,246]],"evidence":"目标是右上角带绿色流心夹层的三明治。边界框紧贴两片面包、完整夹层及下垂滴状部分；正点分布在面包、夹层和滴状部分，负点位于图标外侧背景及左侧甜甜圈上。"}},{"name":"Taco icon","description":"Leftmost graphic in the lemon collection's middle row: a folded taco shell with dotted marks and green filling.","membership":"Includes the complete shell, enclosed interior, filling, and surface marks; excludes neighboring graphics.","id":"obj_036","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":3.25,"evidence":"目标是柠檬图标组中排最左侧的塔可：折叠饼壳带点状纹理及绿色馅料。首个合格帧为3.25秒，末个为5.50秒，期间图标完整可见。紧邻之前的3.00秒是另一组食品图标，之后的5.75秒已切换为水果与调味品图标，均无该目标。选择3.25秒作为关键帧，因为饼壳、馅料和表面点纹清晰完整，无遮挡。","start_frame":78,"end_frame":138,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[127.6,438,209.4,525.9],"positive_points":[[164.1,469.4],[189.1,486.1],[152.6,510.2],[200.5,509.3],[142.2,472.2],[165.6,441.7]],"negative_points":[[116.7,481.5],[169.8,416.7],[219.3,500.9],[333.3,500]],"evidence":"目标是中排最左侧带绿色馅料和点状表面标记���塔可图标。边界框紧贴完整饼壳及露出的馅料；正点分布在饼壳内部、表面标记附近和绿色馅料上，负点位于图标外围背景及右侧薯条图标上。"}},{"name":"French fries icon","description":"Second graphic across the lemon collection's middle row: several fries rise from a carton marked by a green curved stroke.","membership":"Includes the carton and all visible fries with their enclosed interiors; excludes spaces between projecting fries and neighboring graphics.","id":"obj_037","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":3.25,"evidence":"目标是柠檬图标组中排第二个图形：纸盒内伸出数根薯条，盒身有绿色弧线。3.25秒首次完整出现，至5.50秒仍完整可见；前一帧3.00秒是另一组食物图标，后一帧5.75秒已切换为水果与调味品图标组。选择3.25秒作为关键帧，薯条和纸盒轮廓清晰、无遮挡，且与相邻图形分离。","start_frame":78,"end_frame":138,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[306.3,430.6,362,567.6],"positive_points":[[314.6,454.6],[327.6,470.4],[339.1,455.6],[351,466.7],[318.2,516.7],[349.5,538]],"negative_points":[[292.2,490.7],[377.1,490.7],[333.3,402.8],[333.3,597.2]],"evidence":"目标是中排从左数第二个薯条图标，纸盒上有绿色弧线。边界框紧贴全部外露薯条与纸盒；六个正点分布在四根薯条及纸盒内部，四个负点位于图标上下左右的外部背景，避开薯条间隙及相邻图形。"}},{"name":"Shrimp icon","description":"Center graphic in the lemon collection's middle row: a segmented shrimp with a green antenna changes from extended to curled.","membership":"Includes the complete shrimp body, tail, legs, antenna, and internal details; retains the open concavity of its curled pose and excludes neighboring graphics.","id":"obj_038","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":3.25,"evidence":"目标是柠檬主题图标组中排中央的虾，具有分节身体、尾部、细腿及绿色触须，期间由伸展变为卷曲。首个合格帧为3.25秒，最后为5.50秒，完整结构持续可见。相邻的3.00秒仍是上一组食品图标，5.75秒已切换为水果和调味料图标组，均无该虾。选择3.25秒作为关键帧，卷曲虾形及其内部凹口清晰，与邻近图标分离且无遮挡。","start_frame":78,"end_frame":138,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[457.8,431.5,542.7,555],"positive_points":[[514.1,434.3],[531.8,459.3],[499,472.2],[459.9,507.4],[489.6,550.9],[514.1,509.3]],"negative_points":[[338.5,481.5],[664.6,497.2],[500,388.9],[520.8,601.9]],"evidence":"目标是中排中央、带绿色触须的分节卷曲虾图标。边界框覆盖完整虾身、尾部、腿、触须及内部细节。正点分布在触须、头部轮廓、分节线、弯曲外缘、尾部和腿上；负点位于相邻薯条、龙虾及图标上下的外部空白，不标记卷曲内凹区域。"}},{"name":"Lobster icon","description":"Fourth graphic across the lemon collection's middle row: a segmented lobster with green claw tips waves its claws.","membership":"Includes the full lobster, including claws, antennae, legs, tail, and enclosed body regions; excludes gaps between appendages and neighboring graphics.","id":"obj_039","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":3.25,"evidence":"目标是柠檬主题图标组中排第四个龙虾：分节身体、触角、足、尾部及绿色钳尖清晰可见。首个合格帧为3.25秒，最后一个为5.50秒；期间挥动双钳但结构完整。相邻的3.00秒仍是上一组食物图标，5.75秒已切换为水果和调味料图标，均无该龙虾。选择3.25秒作为关键帧，因为龙虾姿态端正、完整且无遮挡，便于标注。","start_frame":78,"end_frame":138,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[625.5,415.7,706.3,571.3],"positive_points":[[634.0,435.2],[697.4,437.0],[654.2,427.8],[665.6,504.6],[682.3,511.1],[665.1,557.4]],"negative_points":[[614.6,493.5],[718.8,492.6],[665.6,398.1],[665.6,601.9]],"evidence":"目标是中排第四个图标，具有绿色螯尖和分节身体的龙虾。边界框覆盖双螯、触须、腿、身体及尾部；六个正点分布于螯、触须、身体、腿和尾部，四个负点位于龙虾四周的外部空白处。"}},{"name":"Steak with herb garnish icon","description":"Rightmost graphic in the lemon collection's middle row: a dark-marked steak accompanied by a green two-leaf sprig.","membership":"Includes the complete steak and garnish, with enclosed surfaces and internal markings; excludes neighboring graphics.","id":"obj_040","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":3.25,"evidence":"目标是柠檬图标组中排最右侧的牛排与绿色双叶香草，牛排内有深色纹线。首个合格帧为3.25秒，末个为5.50秒，期间牛排和叶枝的移动、旋转不影响其完整呈现。前一帧3.00秒是另一组食品图标；后���帧5.75秒已切换为水果和调味品组，目标消失。选择3.25秒作为关键帧，此时完整轮廓和双叶 garnish 均清晰可辨。","start_frame":78,"end_frame":138,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[789.6,450.9,872.4,542.6],"positive_points":[[806.8,485.2],[835.4,469.4],[806.8,518.5],[852.6,484.3],[839.1,508.3],[863.0,495.4]],"negative_points":[[770.8,489.8],[890.6,500.0],[829.2,415.7],[828.1,574.1]],"evidence":"目标是中间一排最右侧的牛排配绿色双叶香草图标。边界框紧贴完整牛排轮廓及叶片、茎的可见范围；六个正点分布于牛排封闭表面和两片绿叶，四个负点位于图标四周的外部白色背景，避开相邻图形。"}},{"name":"Steaming tea mug icon","description":"Bottom-left graphic of the lemon collection: a straight-sided mug with a green tea-bag tag above a short horizontal base line.","membership":"Includes the mug, handle and its enclosed opening, tag, string, base line, and steam; excludes neighboring graphics.","id":"obj_041","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":3.25,"evidence":"目标是柠檬主题图标组左下角的直壁茶杯，包含杯把及其孔洞、绿色茶包标签和细线、底部短横线及蒸汽，不包括右侧带碟茶杯。首个合格帧为3.25秒，最后一个为5.50秒；期间杯子虽倾斜移动，但结构保持完整。前一帧3.00秒是另一组食品图标，后一帧5.75秒已切换为水果和调味品图标，均无此目标。选择3.25秒作为关键帧，杯子直立、各组成部分清晰且无遮挡。","start_frame":78,"end_frame":138,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[133.3,666.7,209.4,803.7],"positive_points":[[157.8,684.3],[179.7,685.2],[144.3,756.5],[166.7,752.8],[200.5,740.7],[167.2,800]],"negative_points":[[119.8,740.7],[171.9,856.5],[338.5,740.7],[166.7,490.7]],"evidence":"目标是左下角带绿色茶包标签和蒸汽的直壁茶杯。边框紧贴蒸汽、杯身、把手、标签与底部横线的整体范围；正点分布在蒸汽、杯壁、标签、把手开口及底线上，负点位于外部空白和相邻的茶杯、塔可图标上。"}},{"name":"Herbal tea cup icon","description":"Second graphic across the lemon collection's bottom row: a rounded cup with tea-bag tag, saucer, and green leaves.","membership":"Includes the cup, handle opening, saucer, tag, string, leaves, and steam; excludes open gaps between moving components and neighboring graphics.","id":"obj_042","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":3.25,"evidence":"目标是柠檬图标组底排第二个花草茶杯，包含圆润杯身、杯把、茶包标签及线、碟子、绿色叶片和蒸汽。首个合格帧为3.25秒，最后为5.50秒；期间杯子移动、倾斜但结构完整。此前3.00秒为另一组食品图标，此后5.75秒已替换为水果和调味品图标。选择3.25秒作为关键帧，目标直立清晰，各组成部分易于辨认。","start_frame":78,"end_frame":138,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[301.04,666.67,371.88,803.7],"positive_points":[[334.38,684.26],[309.9,741.67],[368.75,747.22],[334.38,752.78],[325.52,759.26],[335.42,800.93]],"negative_points":[[190.63,746.3],[498.96,747.22],[333.33,623.15],[391.67,758.33]],"evidence":"目标是底排从左数第二个带绿叶的茶杯图标。紧框覆盖蒸汽、杯身、杯柄及其开口、茶包标签与线、绿叶和茶碟。六个正点分布在蒸汽、杯身轮廓、杯柄、标签、叶片和茶碟上；负点位于相邻茶杯、馅饼以及目标上方和右侧的外部背景，避开内部空隙。"}},{"name":"Steaming pie icon","description":"Center graphic in the lemon collection's bottom row: a crimp-edged pie with green top marks and rising steam.","membership":"Includes the complete pie and its enclosed surfaces, top marks, and steam strokes; excludes neighboring graphics.","id":"obj_043","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":3.25,"evidence":"目标是柠檬图标集合底排中央的派：带褶边外轮廓、绿色顶部小点及上升蒸汽，与两侧茶杯和牛角包区分明确。3.25秒首次完整出现，5.50秒为最后合格帧；前一帧3.00秒仍是另一组食品图标，后一帧5.75秒已切换为水果和调味料集合，目标消失。选择3.25秒作为关键帧，派及蒸汽结构完整、清晰且无遮挡。","start_frame":78,"end_frame":138,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[448.4,668.5,551,804.6],"positive_points":[[486.5,700],[500,687],[512.5,700],[461.5,761],[500.5,751],[512,784]],"negative_points":[[341,744],[665,741],[500,640],[500,845]],"evidence":"目标是底排中央带绿色蒸汽和顶面标记的波浪边馅饼。边界框紧贴完整饼体及上方三道蒸汽；正点分布在蒸汽、饼面和饼身，负点位于左右相邻图标及目标上下的外部空白处。"}},{"name":"Breaking croissant icon","description":"Fourth graphic across the lemon collection's bottom row: a crescent pastry separates into two halves with green cut faces, then rejoins.","membership":"Includes both pastry portions, their enclosed surfaces, and visible crumbs; excludes the gap between halves and neighboring graphics.","id":"obj_044","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":3.75,"evidence":"目标是柠檬图标集合底行第四个牛角包，分开时两半露出绿色切面并带有碎屑，随后重新合拢。首个合格帧为3.25秒，最后为5.50秒；分开和合拢属于完整图标的动画变化。紧邻之前的3.00秒是另一组食品图标，之后的5.75秒已切换为水果和调味品集合，均无此目标。选择3.75秒作为关键帧，两半糕点、绿色切面和碎屑清晰可辨。","start_frame":78,"end_frame":138,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[613.5,705.6,718.2,818.5],"positive_points":[[637,742],[622,783],[695,736],[706,755],[710,783],[680,814]],"negative_points":[[591,750],[745,778],[666,677],[666,851]],"evidence":"目标是底排第四个图形，由两个带绿色断面的羊角面包半块及下方碎屑组成。边界框紧贴两半面包和全部可见碎屑；正点分布在两半的轮廓、封闭表面及碎屑上，负点位于目标外围背景，不标记两半之间的空隙，也不包含相邻图形。"}},{"name":"Hot dog icon","description":"Bottom-right graphic of the lemon collection: a sausage in a split bun with a green wavy topping, later showing a bite.","membership":"Includes the bun, sausage, and topping; follows the visible bite concavity and excludes neighboring graphics.","id":"obj_045","temporal":{"status":"found","start_s":3.25,"end_s":5.75,"reference_s":3.25,"evidence":"目标是柠檬图标组右下角的热狗，包含面包、香肠和绿色波浪状酱料，后续出现咬痕。首次完整出现于3.25秒，最后合格帧为5.50秒；3.00秒仍是上一组食品图标，5.75秒已替换为水果及调味品图标组。选择3.25秒作为关键帧，因为热狗结构完整、轮廓清楚且无遮挡。","start_frame":78,"end_frame":138,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[788.5,679.6,874,801],"positive_points":[[811.5,684.5],[790.6,741.7],[833.3,796.3],[871.4,769.4],[825.5,725],[856.8,750.9]],"negative_points":[[765,740],[894,750],[831,653],[836,830]],"evidence":"目标是图像右下角的热狗图标，由分开的面包、香肠和绿色波浪状配料组成。边界框紧贴整个图标的可见外缘；六个正点分布在面包及香肠轮廓和绿色配料上，四个负点位于图标四周的外部白色背景，避开内部空白及邻近图形。"}},{"name":"Peach icon","description":"Upper-left graphic of the fruit and seasoning collection: a rounded, pointed-bottom peach with a central crease and green leaf.","membership":"Includes the complete fruit body, crease, stem, and leaf with enclosed interiors; excludes neighboring graphics.","id":"obj_046","temporal":{"status":"found","start_s":5.75,"end_s":8.25,"reference_s":5.75,"evidence":"目标为水果与调味料图集左上角的桃子，具有圆润尖底的果身、中央凹线、果梗和绿色叶片。5.75秒首次完整出现，至8.00秒仍完整可见；此前5.50秒为另一组食品图标，之后8.25秒已切换为洋葱等图标。选择5.75秒作为关键帧，桃子轮廓及各组成部分清晰，且无遮挡。","start_frame":138,"end_frame":198,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[134.4,168.5,202.6,318.5],"positive_points":[[149,255.6],[188.5,257.4],[168.2,301],[180.2,255.6],[165.1,193.5],[176.6,186.1]],"negative_points":[[119.8,259.3],[218.8,259.3],[168.8,143.5],[334,257.4]],"evidence":"目标是左上角带绿色叶片、中央凹线和尖底的桃子图标。边界框紧贴完整果身、凹线、果梗及叶片；正点分布于果身内部、凹线、果梗和叶片，负点位于周围外部白色背景及右侧香蕉图标上。"}},{"name":"Banana bunch icon","description":"Second graphic across the fruit collection's top row: a bunch of curved bananas, one outlined in green.","membership":"Includes all bananas, their joined stem, enclosed interiors, and surface strokes; excludes open spaces between fruit and neighboring graphics.","id":"obj_047","temporal":{"status":"found","start_s":5.75,"end_s":8.25,"reference_s":5.75,"evidence":"目标是水果图集顶行第二个香蕉束图标，香蕉共用果柄，其中一根以绿色描边。5.75秒首次完整出现，至8.00秒仍完整可见，中间的摆动和形变不影响其连续性。前一帧5.50秒为另一组食品图标，后一帧8.25秒已切换为洋葱、蒜等图标，香蕉消失。选择5.75秒为关键帧，香蕉束轮廓清晰完整，与相邻图标分离。","start_frame":138,"end_frame":198,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[290.6,177.8,380.2,317.6],"positive_points":[[306.8,194.4],[338.5,225.9],[359.9,247.2],[302.1,263.9],[327.6,300.9],[358.9,291.7]],"negative_points":[[276,240.7],[390.6,250],[338.5,342.6],[500,250]],"evidence":"���标为顶排从左数第二个香蕉串，其中一根以绿色描边。边界框紧贴全部香蕉及相连果柄，涵盖轮廓、封闭内部和表面线条。六个正点分布在果柄及各根香蕉上；负点位于香蕉串左侧、右侧、下方的外部背景及右邻草莓上。"}},{"name":"Strawberry icon","description":"Center graphic in the fruit collection's top row: a tapered strawberry with dark seeds and a green leafy crown.","membership":"Includes the complete berry, seeds, and leafy crown with enclosed interiors; excludes neighboring graphics.","id":"obj_048","temporal":{"status":"found","start_s":5.75,"end_s":8.25,"reference_s":7.5,"evidence":"目标是水果图标组顶行中央的草莓，具有尖底莓身、深色籽点和绿色叶冠。5.75秒首次完整出现，至8.00秒仍完整可见；前一帧5.50秒是另一组食品图标，后一帧8.25秒已切换为洋葱等图标，草莓消失。选择7.50秒作为关键帧，草莓轮廓、籽点和叶冠清晰完整，与相邻图标分离。","start_frame":138,"end_frame":198,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[472.4,175,530.3,316],"positive_points":[[488.5,195.4],[505.7,195.4],[521.4,209.3],[483.9,237],[512.5,250],[492.7,288.9]],"negative_points":[[457.3,249.1],[543.2,250],[500,149.1],[500,344.4]],"evidence":"目标是顶排中央带深色籽点和绿色叶冠的草莓。边界框紧贴完整果实与叶冠；六个正点分布在叶冠及果实的轮廓内区域，四个负点位于其上下左右的外部空白，未包含邻近图标。"}},{"name":"Raspberry icon","description":"Fourth graphic across the fruit collection's top row: a small conical cluster of rounded berry lobes beneath green leaves.","membership":"Includes all berry lobes, their enclosed interiors, leaves, and stem; excludes neighboring graphics.","id":"obj_049","temporal":{"status":"found","start_s":5.75,"end_s":8.25,"reference_s":5.75,"evidence":"目标是水果图集顶行第四个覆盆子图标，由锥形排列的圆润浆果瓣、绿色叶片和茎组成。5.75秒首次完整出现，至8.00秒仍完整可见，期间的摇摆变形不影响其连续性。前一帧5.50秒是另一组食品图标，后一帧8.25秒已替换为洋葱等图标。选择5.75秒为关键帧，因为目标轮廓清晰、无遮挡且与相邻图标分离。","start_frame":138,"end_frame":198,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[634.4,175.9,697.4,313.9],"positive_points":[[669.3,243.5],[645.3,258.3],[659.4,302.0],[648.4,205.6],[688.0,214.8],[669.3,194.4]],"negative_points":[[604.2,247.2],[724.0,250.0],[666.7,342.6],[500.0,247.2]],"evidence":"目标是顶排第四个覆盆子图标，由绿色叶片和茎下方的锥形圆润浆果簇组成。边界框紧贴完整果粒、叶片及茎；六个正点分布在果粒内部、叶片和茎上，四个负点位于左右及下方外部背景和左邻草莓图标内。"}},{"name":"Blueberry cluster icon","description":"Upper-right graphic of the fruit collection: three round berries with green star-shaped centers and leaves.","membership":"Includes all three berries, their enclosed interiors and center marks, plus the leaves; excludes neighboring graphics.","id":"obj_050","temporal":{"status":"found","start_s":5.75,"end_s":8.25,"reference_s":5.75,"evidence":"目标是水果图标集合右上角的三颗圆形蓝莓，包含绿色星形中心及叶片。5.75秒首次完整呈现，至8.00秒仍完整可见，期间仅旋转和变形。前一帧5.50秒是另一组食品图标，后一帧8.25秒已切换为洋葱、椰子等图标，目标消失。选择5.75秒作为关键帧，三颗莓果及叶片轮廓清楚，易于与邻近图标区分。","start_frame":138,"end_frame":198,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[789.6,170.4,871.4,319.4],"positive_points":[[806.3,275],[824.5,231.5],[841.1,285.2],[828.1,175],[868.2,206.5],[838.5,305.6]],"negative_points":[[668.8,244.4],[901,254.6],[817.7,129.6],[833.3,361.1]],"evidence":"目标位于右上角，由三颗带绿色星形中心的圆形浆果和上方叶片组成。边界框紧贴全部浆果及叶片；正点覆盖三颗浆果内部、中心标记和叶片轮廓，负点位于邻近葡萄图标及目标外围空白处。"}},{"name":"Grape bunch icon","description":"Leftmost graphic in the fruit collection's middle row: an elongated bunch of round grapes with angular green leaves and a curled tendril.","membership":"Includes all grapes, leaf shapes, stem, and tendril, preserving external gaps and concavities; excludes neighboring graphics.","id":"obj_051","temporal":{"status":"found","start_s":5.75,"end_s":8.25,"reference_s":5.75,"evidence":"目标为水果图标集合中排最左侧的细长葡萄串，包含圆形葡萄、绿色尖角叶片和卷曲藤须。5.75秒首次完整出现，至8.00秒仍完整可见，期间仅摆动变形。前一帧5.50秒为另一组食品图标；后一帧8.25秒已切换为洋葱、大蒜等图标，葡萄串消失。选择5.75秒作为关键帧，结构清晰完整，与相邻图标分��良好。","start_frame":138,"end_frame":198,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[135.4,412,207.8,567.6],"positive_points":[[162.5,432.4],[192.7,439.8],[200,481.5],[142.9,504.6],[191.1,506.5],[157.3,563]],"negative_points":[[114.6,500],[171.9,611.1],[333.9,512],[666.7,243]],"evidence":"目标是中排最左侧的长串葡萄，带绿色尖角叶片及卷曲藤须。边界框紧贴全部葡萄、叶片、茎和藤须；六个正点分布在叶片、藤须及葡萄轮廓上，四个负点位于左侧和下方外部空白、邻近盐瓶及上排另一串果实上。"}},{"name":"Shaking salt dispenser icon","description":"Second graphic across the fruit collection's middle row: a perforated shaker labeled \"S\" tilts and dispenses grains.","membership":"Includes the entire shaker, enclosed surface, letter, cap holes, and emitted salt grains; excludes neighboring graphics.","id":"obj_052","temporal":{"status":"found","start_s":5.75,"end_s":8.25,"reference_s":7.25,"evidence":"目标是水果图集第二排第二个标有“S”、带孔盖的盐瓶，动画中倾斜并撒出盐粒。首个合格帧为5.75秒，瓶身及瓶盖已完整呈现；最后合格帧为8.00秒。前一帧5.50秒是另一组食品图标，后一帧8.25秒已切换为洋葱等图标，均无此目标。选择7.25秒作为关键帧，此时盐瓶、字母、盖孔和撒出的盐粒清晰可见，与邻近胡椒研磨器容易区分。","start_frame":138,"end_frame":198,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[284.9,389.8,386,604.6],"positive_points":[[351,403],[369,443],[352,448],[324,509],[286.5,571.3],[304.7,601.9]],"negative_points":[[514,477],[167,509],[297,426],[354,579]],"evidence":"目标是中排第二个倾斜、标有“S”的盐罐。边界框覆盖完整罐身、带孔盖及下方散落盐粒。正点分布在罐身内部、字母、盖部和盐粒上；负点位于邻近葡萄、胡椒研磨器及目标外侧空白处。"}},{"name":"Pepper mill icon","description":"Center graphic in the fruit collection's middle row: a tall waisted grinder with a green top detail releases dark grains.","membership":"Includes the complete grinder, its enclosed body and details, and emitted pepper grains; excludes neighboring graphics.","id":"obj_053","temporal":{"status":"found","start_s":5.75,"end_s":8.25,"reference_s":6.5,"evidence":"目标是水果图标集合中排中央的胡椒研磨器，具有细腰轮廓、绿色顶端细节，并会撒出深色颗粒。首个合格帧为5.75秒，最后为8.00秒，研磨器始终完整可见；前一帧5.50秒仍是另一组食物图标，后一帧8.25秒已切换为洋葱等图标。选择6.50秒作为关键帧，因为研磨器轮廓和撒出的胡椒颗粒均清楚可见，且与邻近盐罐易于区分。","start_frame":138,"end_frame":198,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[453.1,415.7,546.9,604.6],"positive_points":[[542.7,420.4],[531.3,436.1],[511.5,473.1],[491.7,516.7],[469.8,551.9],[473.0,601.9]],"negative_points":[[350.0,458.3],[648.4,465.7],[572.9,564.8],[432.3,490.7]],"evidence":"目标是中排中央倾斜的胡椒研磨器，顶部有绿色细节，下方散落黑色颗粒。边界框覆盖完整研磨器及所有落下的胡椒粒；正点分布在顶部、器身、底座和颗粒上，负点位于邻近盐罐、甜椒及目标外侧空白处。"}},{"name":"Bell pepper icon","description":"Fourth graphic across the fruit collection's middle row: a lobed bell pepper with a bent green stem.","membership":"Includes the complete pepper, internal lobe lines, enclosed body, and stem; excludes neighboring graphics.","id":"obj_054","temporal":{"status":"found","start_s":5.75,"end_s":8.25,"reference_s":5.75,"evidence":"目标是水果图集第二行第四个甜椒图标，具有封闭的分瓣椒身、内部瓣线和弯曲的绿色茎。首个合格帧为5.75秒，最后一个为8.00秒；期间虽有旋转和形变，结构始终完整。前一帧5.50秒是另一组食品图标，后一帧8.25秒已切换为洋葱、蒜等图标，均无此甜椒。选择5.75秒作为关键帧，因为椒身和茎清晰完整、无遮挡，易与邻近图标区分。","start_frame":138,"end_frame":198,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[633.3,413.9,697.4,568.5],"positive_points":[[661.5,437],[645,490],[667,502],[686,491],[664,547],[654,482]],"negative_points":[[499,490],[614,498],[722,510],[667,605]],"evidence":"目标是中排第四个图形：带弯曲绿色茎的分瓣甜椒。边界框紧贴完整茎部和椒身轮廓，包含内部瓣线及封闭椒身。六个正点分布于茎、左右瓣和中央椒身；负点位于左侧研磨器及甜椒外围空白，排除邻近图形与背景。"}},{"name":"Leafy herb branch icon","description":"Rightmost graphic in the fruit collection's middle row: a curved dark branch bearing several green-outlined leaves.","membership":"Includes the branch, smaller stems, and all enclosed leaves; excludes open space between leaves and neighboring graphics.","id":"obj_055","temporal":{"status":"found","start_s":5.75,"end_s":8.25,"reference_s":5.75,"evidence":"目标是水果图标集合中间一排最右侧的香草枝：深色弯曲主枝及细茎，连接多片绿色轮廓叶子。5.75秒首次完整出现，至8.00秒仍完整可见，其间摆动不影响完整性。紧邻此前的5.50秒是另一组食物图标，紧邻此后的8.25秒已切换为洋葱、鸡蛋等图标，目标均不存在。选择5.75秒作为关键帧，枝叶轮廓清晰、无遮挡且与邻近图标分离。","start_frame":138,"end_frame":198,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[790.6,416.7,882.3,566.7],"positive_points":[[802.1,471.3],[830.2,452.8],[853.1,437.0],[871.4,478.7],[847.9,547.2],[824.5,513.0]],"negative_points":[[775.0,450.0],[899.0,492.0],[830.0,603.0],[665.0,500.0]],"evidence":"目标是中间一行最右侧的绿叶枝条图标。边界框紧密覆盖弯曲深色主枝、细枝及全部五片叶子；六个正点分布在各叶片内部和主枝上，四个负点位于图标外围白色背景及左侧独立的甜椒图标上。"}},{"name":"Two-leaf sprout icon","description":"Bottom-left graphic of the fruit collection: a small dark stem splits into two green-outlined leaves.","membership":"Includes the stem and both leaves with their enclosed interiors; excludes the open space between them and neighboring graphics.","id":"obj_056","temporal":{"status":"found","start_s":5.75,"end_s":8.25,"reference_s":5.75,"evidence":"目标是水果图标集合左下角的小芽：深色茎分叉，连接两片绿色轮廓的叶子。首个合格帧为5.75秒，最后为8.00秒，期间虽有摆动变形但结构完整。此前5.50秒是另一组食物图标，此后8.25秒已切换为洋葱等图标，均无该小芽。选择5.75秒作为关键帧，两片叶子与茎清晰完整，无遮挡且易与邻近图标区分。","start_frame":138,"end_frame":198,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[132.3,689.8,208.9,807.4],"positive_points":[[140.1,737.0],[150.5,750.0],[193.8,715.7],[183.9,738.9],[168.2,797.2],[164.1,773.1]],"negative_points":[[119.3,750.0],[223.4,740.7],[171.9,850.0],[168.8,662.0]],"evidence":"目标是图像左下角的双叶幼芽。边界框紧密覆盖两片绿色轮廓叶片及深色分叉茎；正点分布于两片叶的内部和茎上，负点位于图标四周的外部空白背景，不涉及叶内或两叶间空隙。"}},{"name":"Single chili icon","description":"Second graphic across the fruit collection's bottom row: one curved chili with a green stem.","membership":"Includes the complete chili body, enclosed interior, and stem; excludes neighboring graphics.","id":"obj_057","temporal":{"status":"found","start_s":5.75,"end_s":8.25,"reference_s":5.75,"evidence":"目标是水果图标组底排从左数第二个单独的弯曲辣椒，具有深色封闭轮廓和绿色茎，不包含右侧双辣椒、三辣椒图标。5.75秒首次完整出现，至8.00秒仍完整可见；前一帧5.50秒为另一组食品图标，后一帧8.25秒已切换为洋葱等图标组。选择5.75秒作为关键帧，辣椒形状清晰完整，与相邻图标分离且无遮挡。","start_frame":138,"end_frame":198,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[300,678.7,362,803],"positive_points":[[310.4,689.8],[308.3,711.1],[308.9,740.7],[316.1,768.5],[331.3,787],[351,791.7]],"negative_points":[[281.3,750],[333.3,675.9],[469.3,768.5],[187.5,736.1]],"evidence":"目标是底排从左数第二个图案，即带绿色茎的单根弯辣椒。边界框紧贴完整辣椒主体及茎；六个正点分布在茎、主体内部和尖端，四个负点位于外围空白及相邻的叶片、双辣椒图案上。"}},{"name":"Two-chili icon","description":"Center graphic in the fruit collection's bottom row: two curved chilies arranged diagonally as a compact pair.","membership":"Includes both complete chilies and their green stems; excludes the gap between them and neighboring graphics.","id":"obj_058","temporal":{"status":"found","start_s":5.75,"end_s":8.25,"reference_s":5.75,"evidence":"目标是水果图标集合底行中央的两根弯曲辣椒，呈对角紧凑排列，均带绿色椒柄，区别于左侧单椒和右侧三椒。首个合格帧为5.75秒，末个为8.00秒，期间两根辣椒始终完整可见。前一帧5.50秒是另一组食品图标，后一帧8.25秒已切换为洋葱、蒜等图标，均无该目标。选择5.75秒作为关键帧，双椒轮廓清晰、无遮挡，便于区分相邻图标。","start_frame":138,"end_frame":198,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[454.2,666.7,546.9,817.6],"positive_points":[[501,684.3],[494.8,724.1],[521.4,772.2],[462,726.9],[456.3,768.5],[487,814.8]],"negative_points":[[433,720],[556,685],[550,835],[445,841]],"evidence":"目标是底行中央斜向排列的两根辣椒。边界框紧贴两根辣椒的完整轮廓及绿色茎；六个正点分布在两根辣椒的茎和黑色轮廓上，四个负点位于组合外围背景，避开内部空白、两椒间隙及相邻图案。"}},{"name":"Three-chili icon","description":"Fourth graphic across the fruit collection's bottom row: three curved chilies arranged in an ascending diagonal group.","membership":"Includes all three complete chilies and their stems; excludes gaps between them and neighboring graphics.","id":"obj_059","temporal":{"status":"found","start_s":5.75,"end_s":8.25,"reference_s":5.75,"evidence":"目标位于水果图标集合底排第四列，由三根带绿色茎的弯曲辣椒沿右上方对角线排列组成。5.75秒首次完整出现，8.00秒为最后一个完整可见帧；此前5.50秒仍是另一组食品图标，此后8.25秒已切换为洋葱、蒜等图标，目标消失。选择5.75秒作为关键帧，三根辣椒及茎均完整清晰，互不遮挡，便于区分相邻的单辣椒和双辣椒图标。","start_frame":138,"end_frame":198,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[621.4,652.8,713.5,815.7],"positive_points":[[629.2,742.6],[641.7,811.1],[652.6,696.3],[668.8,773.1],[674.5,663.0],[697.9,738.9]],"negative_points":[[604,745],[735,753],[665,847],[499,689]],"evidence":"目标是底排第四个图形，由三根向右上方递进排列的弯辣椒组成。边界框紧贴三根辣椒及其绿色茎的整体可见范围；正点分布在各辣椒的茎和下侧轮廓，负点位于组外背景及左侧相邻双辣椒图形上。"}},{"name":"Water glass icon","description":"Bottom-right graphic of the fruit collection: a plain tapered glass with a green waterline and highlight.","membership":"Includes the glass boundary and enclosed area, waterline, and highlight; excludes neighboring graphics.","id":"obj_060","temporal":{"status":"found","start_s":5.75,"end_s":8.25,"reference_s":5.75,"evidence":"目标是水果图标集合右下角的上宽下窄水杯，具有完整杯壁、绿色水位线和短高光。首个合格帧为5.75秒，最后为8.00秒；期间杯子倾斜及水位线变化不影响完整呈现。前一帧5.50秒仍是另一组食品图标，后一帧8.25秒已切换为包含包装袋等图形的新集合，目标均不在其中。选择5.75秒作为关键帧，水杯直立、轮廓清晰且无遮挡。","start_frame":138,"end_frame":198,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[803.1,677.8,858.9,803.7],"positive_points":[[817,695],[840,704],[830,717],[821,751],[843.8,775],[830,796]],"negative_points":[[785,743],[877,748],[831,837],[690,723]],"evidence":"目标是图像右下角带绿色水线和高光的上宽下窄水杯。边界框紧贴完整杯体；正点覆盖杯内区域、水线、高光及底部，负点位于杯外背景和左侧独立辣椒图形上。"}},{"name":"Onion icon","description":"Upper-left graphic of the ingredient collection: an onion and a cut section with layered contours, later closing into one bulb.","membership":"Includes all visible onion portions, their enclosed layers, and green root strokes; follows the changing outer contours and excludes neighboring graphics.","id":"obj_061","temporal":{"status":"found","start_s":8.25,"end_s":10.75,"reference_s":9.0,"evidence":"目标是食材图标集合左上角的洋葱，具有分层轮廓和绿色根须；同一图标在动画中展开为整 bulb 与切面，再合拢。首个合格帧为8.25秒，最后为10.50秒，结构均完整；此前8.00秒仍是水果和调味料集合，此后10.75秒已切换为另一组图标，洋葱消失。选择9.00秒作为关键帧，洋葱两部分及内部层纹清晰、无遮挡。","start_frame":198,"end_frame":258,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[112,159,226,302],"positive_points":[[131,165],[116,228],[141,218],[206,170],[224,247],[181,295]],"negative_points":[[95,245],[248,250],[170,342],[312,264]],"evidence":"目标为左上角的洋葱图标，由带层状轮廓的切面和完整鳞茎组成。框覆盖全部洋葱轮廓、内部层次及底部绿色根须。正点分布在两部分的轮廓、切面层线和根须上；负点位于外围白色背景及右侧相邻图标上。"}},{"name":"Garlic icon","description":"Second graphic across the ingredient collection's top row: separated garlic cloves with green stems gather into a bulb.","membership":"Includes all cloves, the bulb's enclosed regions, stems, and root strokes; excludes gaps between separated cloves and neighboring graphics.","id":"obj_062","temporal":{"status":"found","start_s":8.25,"end_s":10.75,"reference_s":8.25,"evidence":"目标是食材图标组顶行第二个大蒜图标，具有黑色蒜瓣轮廓及绿色茎、根部笔画。8.25秒首次完整出现，随后蒜瓣分开、聚拢属于完整图标的形变，持续至10.50秒。前一帧8.00秒仍是另一组水果和调味料图标；后一帧10.75秒已切换为厨房及食品图标组，大蒜消失。选择8.25秒作为关键帧，此时蒜头结构完整清晰，与邻近图标分离且无遮挡。","start_frame":198,"end_frame":258,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[296.4,164.8,372,319.5],"positive_points":[[304.7,270.4],[319.8,277.8],[343.2,276.9],[362,269.4],[334.9,180.6],[334.4,312]],"negative_points":[[281.3,240.7],[388,250],[334.4,351.9],[168.8,253.7]],"evidence":"目标是顶排第二个带绿色茎和根须的蒜头图标。边界框紧贴全部蒜瓣、顶部茎及底部根须；六个正点分布在蒜瓣内部、茎和根须上，四个负点位于图标外侧空白及左侧独立洋葱图标上。"}},{"name":"Ketchup squeeze bottle icon","description":"Center graphic in the ingredient collection's top row: a nozzle bottle labeled \"K\" tilts and dispenses a green line.","membership":"Includes the bottle, nozzle, enclosed body, letter, and visible dispensed stream; excludes neighboring graphics.","id":"obj_063","temporal":{"status":"found","start_s":8.25,"end_s":10.75,"reference_s":10.0,"evidence":"目标为食材图标集合顶行中央标有“K”的尖嘴挤压瓶，随后倾斜并挤出绿色线条。8.25秒首次完整出现，10.50秒为最后一个合格帧；前一帧8.00秒仍是水果和调味料集合，后一帧10.75秒已切换为另一组图标，目标消失。选择10.00秒作为关键帧，此时瓶身、字母、喷嘴及绿色挤出液线均清晰可见，无遮挡。","start_frame":198,"end_frame":258,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[437,149,525.5,301],"positive_points":[[500.5,177.8],[513,197.2],[474.5,229.6],[489.6,213.9],[452.1,262],[440.1,287]],"negative_points":[[419.8,208.3],[541.1,256.5],[334.4,250],[629.7,246.3]],"evidence":"目标是顶排中央倾斜、标有绿色“K”的挤压瓶。边界框紧密覆盖瓶身、瓶嘴及下方绿色流线；六个正点分布在瓶身内部、字母、瓶嘴和流线上，四个负点位于外围背景及相邻蒜头、牛油果图形上。"}},{"name":"Avocado icon","description":"Fourth graphic across the ingredient collection's top row: an avocado splits into halves, revealing a green-outlined pit.","membership":"Includes both avocado portions, their enclosed flesh and skin layers, pit, and highlight; excludes the space between halves and neighboring graphics.","id":"obj_064","temporal":{"status":"found","start_s":8.25,"end_s":10.75,"reference_s":10.0,"evidence":"目标是食材图标组顶排第四个牛油果，随后分成两半，露出绿色轮廓的果核。8.25秒首次出现时外形已完整，闭合到分半属于完整对象的变形；最后合格帧为10.50秒。前一帧8.00秒仍是另一组水果和调味品图标，后一帧10.75秒已替换为新的图标组。选择10.00秒为关键帧，两半、果肉层次和果核清晰可见且无遮挡。","start_frame":198,"end_frame":258,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[605.7,160.2,727.1,316.7],"positive_points":[[622.4,189.8],[624,228.7],[635.4,261.1],[635.4,298.1],[711.5,189.8],[697.9,275.9]],"negative_points":[[582,245],[752,250],[667,125],[667,356]],"evidence":"目标是顶排第四个图标，由两部分牛油果组成，左半可见绿色描边果核。边界框紧贴两部分的完整外缘，覆盖果皮、果肉、果核及高光。六个正点分布于两部分内部及果核区域；四个负点位于目标上下左右的外部背景，避开两半之间的空隙和邻近图标。"}},{"name":"Coconut half icon","description":"Upper-right graphic of the ingredient collection: a round cut coconut with a thick rim and two green leaves behind it.","membership":"Includes the coconut shell, rim and enclosed cut face, surface marks, and leaves; excludes neighboring graphics.","id":"obj_065","temporal":{"status":"found","start_s":8.25,"end_s":10.75,"reference_s":8.5,"evidence":"目标是食材图标集合右上角的半颗椰子，具有厚椭圆切口边缘、壳面纹路及后方两片绿色叶子。8.25秒首次完整出现，至10.50秒仍完整可见，期间旋转不影响其连续性。前一帧8.00秒是另一组水果与调味品图标；后一帧10.75秒切换为另一组图标，椰子消失。选择8.50秒作为关键帧，因为切面、椰壳和叶片清楚且无遮挡。","start_frame":198,"end_frame":258,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[802.6,151.9,878.6,269.4],"positive_points":[[814.6,224.1],[839.6,214.8],[852.1,225.9],[812.5,211.1],[873.4,156.5],[868.2,200]],"negative_points":[[900,220],[823,315],[753,176],[842,472]],"evidence":"目标是右上角带两片绿色叶子的半个椰子。边界框紧贴椰壳、厚切口边缘及后方叶片；正点分布在椰壳、表面标记、切面、边缘和两片叶子上，负点位于外围空白及下方相邻饮料图标上。"}},{"name":"Egg pair icon","description":"Leftmost graphic in the ingredient collection's middle row: one green-outlined egg and one dark-outlined egg, with a crack appearing on the dark egg.","membership":"Includes both eggs with their enclosed interiors, highlight, and crack; excludes the space between them and neighboring graphics.","id":"obj_066","temporal":{"status":"found","start_s":8.25,"end_s":10.75,"reference_s":9.75,"evidence":"目标是食材图标集合中排最左侧的一对鸡蛋：一枚绿色轮廓带高光，另一枚深色轮廓并出现裂纹。首次合格帧为8.25秒，最后为10.50秒；两枚蛋在此期间保持完整，发生移动和重叠。前一帧8.00秒仍是水果及调味料集合，后一帧10.75秒已切换为另一组图标，目标不再出现。选择9.75秒作为关键帧，因为两枚蛋分开且轮廓、高光和裂纹清晰可见。","start_frame":198,"end_frame":258,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[115.1,429.6,220.8,556.5],"positive_points":[[135.4,457.4],[128.1,503.7],[147.4,516.7],[197.9,464.8],[185.9,508.3],[205.2,526.9]],"negative_points":[[99,490.7],[237,500],[166.7,398.1],[164.1,592.6]],"evidence":"目标是中排最左侧的双蛋图标：左蛋为绿色轮廓，右蛋为深色轮廓并带裂纹。边界框紧贴两枚蛋的整体可见范围；六个正点分布于两枚蛋的内部，四个负点位于图标外围的空白背景，不标记蛋内区域。"}},{"name":"Gluten-free symbol","description":"Second graphic across the ingredient collection's middle row: a green wheat ear inside a dark prohibition circle and slash.","membership":"Includes the circle's boundary and enclosed area, diagonal slash, and wheat ear; excludes neighboring graphics.","id":"obj_067","temporal":{"status":"found","start_s":8.25,"end_s":10.75,"reference_s":10.0,"evidence":"目标是食材图标集合中排第二个：深色圆圈及斜杠包围绿色麦穗。8.25秒首次完整出现，10.50秒为最后合格帧，期间旋转不影响完整呈现。前一帧8.00秒是另一组果蔬图标，后一帧10.75秒已切换为厨具等图标，目标消失。选择10.00秒作关键帧，圆圈、斜杠和麦穗清晰完整，无遮挡且与邻近图标分离。","start_frame":198,"end_frame":258,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[292.2,413,376,561.1],"positive_points":[[333.9,416],[333.9,556.5],[294.8,486.1],[374,487],[333.9,510],[326,472]],"negative_points":[[278.6,481.5],[390.6,483.3],[334.4,384.3],[334.4,590.7]],"evidence":"目标是中排第二个图形：深色禁止圆圈和斜杠内有绿色麦穗。边界框紧贴整个圆形符号，包含圆内区域、斜杠和麦穗。正点分布在圆周、斜杠及麦穗上；负点位于圆圈四周的外部空白处，避开邻近图形。"}},{"name":"Olive branch icon","description":"Center graphic in the ingredient collection's middle row: a curved branch carrying two oval olives and green leaves.","membership":"Includes the complete branch, olives, leaves, and interior marks; excludes open space between its parts and neighboring graphics.","id":"obj_068","temporal":{"status":"found","start_s":8.25,"end_s":10.75,"reference_s":8.25,"evidence":"目标位于食材图标集合的中排中央，为弯曲枝条、两颗椭圆橄榄和绿色叶片组成的完整图标。首个合格帧为8.25秒，最后合格帧为10.50秒；期间虽有摆动，结构始终完整。前一帧8.00秒仍是水果与调味料集合，后一帧10.75秒已切换为其他食品及厨具图标，目标均不在其中。选择8.25秒作为关键帧，枝条、橄榄和叶片清晰且无遮挡。","start_frame":198,"end_frame":258,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[457.8,418.5,532.8,555.6],"positive_points":[[510.4,472.2],[469.3,493.5],[525,531.5],[504.2,435.2],[493.2,546.3],[530.7,518.5]],"negative_points":[[442.7,472.2],[552.1,500],[509.4,583.3],[520.8,379.6]],"evidence":"目标是中排中央带两颗椭圆橄榄和绿色叶片的弯曲枝条。框紧贴完整枝条、橄榄及叶片的可见范围；六个正点分布在枝条、两颗橄榄轮廓和三片叶子的笔画上，四个负点位于目标外围背景，避开内部空隙及轮廓包围的区域。"}},{"name":"Butter and knife icon","description":"Fourth graphic across the ingredient collection's middle row: a green-handled knife slices a butter block on a small dish.","membership":"Includes the knife, butter block and moving slice, and dish with their enclosed surfaces; excludes gaps between components and neighboring graphics.","id":"obj_069","temporal":{"status":"found","start_s":8.25,"end_s":10.75,"reference_s":9.0,"evidence":"目标是食材图标集合中排第四个图形，由绿柄刀、黄油块及移动切片、小碟组成。8.25秒首次完整出现，至10.50秒仍完整可见；此前8.00秒是另一组水果和调味料图标，之后10.75秒已替换为另一组厨房及食物图标。选择9.00秒作为关键帧，此时刀、黄油块、切片和碟子的形状清晰，便于区分和标注。","start_frame":198,"end_frame":258,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[604.2,491.7,708.3,564.8],"positive_points":[[619.8,514.8],[645.8,523.1],[677.1,515.7],[661.5,520.4],[635.4,552.8],[692.7,551.9]],"negative_points":[[593.8,513.9],[666.7,467.6],[721.4,532.4],[666.7,592.6]],"evidence":"目标为中排第四个图标，可见绿柄刀、黄油块及切片和底部小碟。边界框紧贴这些部件的整体可见范围；六个正点分布在刀柄、刀刃、黄油块、切片及碟面，四个负点位于图标四周的外部��白，不落在部件间隙或内部。"}},{"name":"Citrus drink icon","description":"Rightmost graphic in the ingredient collection's middle row: a glass with a bent straw, liquid line, and green citrus slice on its rim.","membership":"Includes the glass and enclosed area, liquid line, straw, and complete citrus garnish; excludes neighboring graphics.","id":"obj_070","temporal":{"status":"found","start_s":8.25,"end_s":10.75,"reference_s":8.25,"evidence":"目标是食材图标集合中排最右侧的饮料杯，包含杯身、液面线、弯折吸管及杯沿绿色柑橘片。首个合格帧为8.25秒，末个为10.50秒，期间结构完整，倾斜动画不影响连续出现。前一帧8.00秒是另一组水果和调味品图标；后一帧10.75秒已替换为厨具等图标，目标消失。选择8.25秒作为关键帧，杯身与完整柑橘装饰清晰且无遮挡。","start_frame":198,"end_frame":258,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[791.1,414.8,853.1,567.6],"positive_points":[[814.1,428.7],[793.8,463],[837.5,441.7],[825,479.6],[825,521.3],[841.1,555.6]],"negative_points":[[827.6,248.1],[831.3,740.7],[666.7,518.5],[885.4,490.7]],"evidence":"目标是中排最右侧带绿色柑橘片和弯折吸管的饮料杯。边界框紧贴完整果片、吸管及杯体；正点分布在果片、吸管和杯内区域，负点位于邻近的椰子、包装袋、黄油图标及右侧外部空白处。"}},{"name":"Preserve jar icon","description":"Bottom-left graphic of the ingredient collection: a labeled jar with a cloth-edged lid that lifts and closes.","membership":"Includes the jar body, enclosed label, lid, and fabric edge throughout movement; excludes the opening gap and neighboring graphics.","id":"obj_071","temporal":{"status":"found","start_s":8.25,"end_s":10.75,"reference_s":8.25,"evidence":"目标是食材图标集合左下角的保存罐，具有罐身、绿色标签及带布边的盖子。8.25秒首次完整出现，至10.50秒仍完整可见；期间盖子升起和闭合属于同一图标的动作。紧邻之前的8.00秒是另一组食材图标，没有该罐；之后的10.75秒已切换为另一组图标，该罐消失。选择8.25秒作为关键帧，罐体直立、盖子闭合，结构清晰且无遮挡。","start_frame":198,"end_frame":258,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[140.1,666.7,196.9,815.7],"positive_points":[[167.7,669.4],[158.9,709.3],[168.2,727.8],[144.8,763.0],[191.7,795.4],[169.8,812.0]],"negative_points":[[125.0,740.7],[213.5,740.7],[166.7,638.9],[333.9,740.7]],"evidence":"目标是左下角带绿色标签和波浪布边盖的罐子。边界框紧贴罐盖、布边、标签及罐身的整体可见范围；六个正点分布在这些部件的实际线条上，负点位于罐外背景及右侧独立麦穗图标上。"}},{"name":"Wheat ear icon","description":"Second graphic across the ingredient collection's bottom row: a single upright wheat ear with green awns.","membership":"Includes the stalk, all grain shapes and their enclosed interiors, and awns; excludes neighboring graphics.","id":"obj_072","temporal":{"status":"found","start_s":8.25,"end_s":10.75,"reference_s":8.25,"evidence":"目标是食材图标集合底行从左数第二个麦穗，具有直立麦秆、成组麦粒及绿色麦芒，不包括中行带禁用圆圈的麦穗。首个合格帧为8.25秒，最后为10.50秒，期间结构完整，摆动和变形不影响连续性。前一帧8.00秒仍为水果与调味料集合，后一帧10.75秒已切换为另一组图标，目标均不在其中。选择8.25秒作为关键帧，麦穗直立、轮廓清楚且无遮挡。","start_frame":198,"end_frame":258,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[314.6,670.4,354.2,816.7],"positive_points":[[334.1,677.8],[333.9,704.6],[322.4,730.6],[343.8,755.6],[334.0,797.0],[351.6,700.9]],"negative_points":[[298.0,741.0],[371.0,741.0],[334.0,840.0],[334.0,487.0]],"evidence":"目标是底排从左数第二个带绿色芒的直立麦穗。边界框紧贴完整麦秆、麦粒及绿色芒；正点分布在芒、麦粒内部和下部麦秆上，负点位于左右及下方外部背景，以及上排独立的无麸质图标上。"}},{"name":"Spaghetti and fork icon","description":"Center graphic in the ingredient collection's bottom row: a plate of looping pasta beneath a green fork lifting strands.","membership":"Includes the plate, pasta, fork, and lifted strands with their outlined interiors; excludes open gaps between components and neighboring graphics.","id":"obj_073","temporal":{"status":"found","start_s":8.25,"end_s":10.75,"reference_s":9.25,"evidence":"目标是食材图标集合底排中央的意大利面图标，包含盘子、弯曲面条及挑起面条的绿色叉子。首个合格帧为8.25秒，最后为10.50秒，期间结构完整，仅叉子和面条姿态变化。前一帧8.00秒仍是水果、辣椒等另一组图标；后一帧10.75秒已换成另一组，原位置为棒状食品。选择9.25秒作为关键帧，叉子挑起面条，盘子与各部分轮廓清���可辨。","start_frame":198,"end_frame":258,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[451,641.7,548.5,818.5],"positive_points":[[528,701],[502,659],[509,705],[492,734],[524,767],[498,794]],"negative_points":[[420,745],[334,745],[660,790],[570,630]],"evidence":"目标是底排中央的意大利面与叉子图标。边界框紧密覆盖绿色叉子、提起的面条、盘中弯曲面条及餐盘。正点分布于这些组成部分的线条或所包含的内部；负点位于外围背景及相邻麦穗、冒热气餐盘图标上。"}},{"name":"Steaming plate icon","description":"Fourth graphic across the ingredient collection's bottom row: a shallow plate beneath three green steam strokes.","membership":"Includes the plate's enclosed shape and all three steam strokes; excludes the open space above the plate and neighboring graphics.","id":"obj_074","temporal":{"status":"found","start_s":8.25,"end_s":10.75,"reference_s":8.25,"evidence":"目标是食材图标集合底行第四个图形，由封闭的浅盘轮廓及其上方三条绿色蒸汽线组成。8.25秒首次完整出现，至10.50秒仍完整可见；前一帧8.00秒是水果与调味品集合，后一帧10.75秒已切换为另一组图标，均无该目标。选择8.25秒作为关键帧，盘子和三条蒸汽线清楚完整，与相邻图标分离且无遮挡。","start_frame":198,"end_frame":258,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[616.7,676.9,713.5,817.6],"positive_points":[[646.4,705.6],[666.7,682.4],[684.9,703.7],[640.6,788.9],[687.5,788.9],[664.1,809.3]],"negative_points":[[599,750],[726.6,796.3],[664.1,842.6],[500,768.5]],"evidence":"目标是底排第四个图形，由浅盘和三条绿色蒸汽线组成。边界框紧贴蒸汽顶端及盘子外缘；三个正点位于蒸汽笔画，另三个覆盖盘子的封闭区域。负点位于目标外侧背景及左邻面条图形上，不标记蒸汽之间的空隙。"}},{"name":"Sealed food packet icon","description":"Bottom-right graphic of the ingredient collection: a rectangular packet with serrated ends and a green banded label.","membership":"Includes the packet's complete boundary and enclosed surface, including its label; follows the serrated ends and excludes neighboring graphics.","id":"obj_075","temporal":{"status":"found","start_s":8.25,"end_s":10.75,"reference_s":8.25,"evidence":"目标是食材图标集合右下角的密封食品袋，具有矩形袋身、上下锯齿封边及绿色带状标签。首个合格帧为8.25秒，最后一个为10.50秒，期间袋体完整，虽有倾斜变形仍持续可见。前一帧8.00秒该位置是水杯，后一帧10.75秒已切换为另一组图标。选择8.25秒作为关键帧，因为包装袋直立、轮廓和标签清晰且无遮挡。","start_frame":198,"end_frame":258,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[802.6,665.7,859.9,816.7],"positive_points":[[812,691.7],[850.5,692.6],[830.7,728.7],[817.7,750.9],[822.9,790.7],[850.5,789.8]],"negative_points":[[781.3,740.7],[885.4,740.7],[830.7,638.9],[830.7,856.5]],"evidence":"目标是右下角带锯齿封口和绿色带状标签的食品包装袋。边界框紧贴袋子的完整外轮廓，包含封口、袋面和标签；六个正点分布在袋面上中下部，四个负点位于袋子四周的外部空白背景，均避开相邻图标。"}},{"name":"Hop cone icon","description":"Upper-left graphic of the kitchen collection: a hanging layered hop cone with a green stem.","membership":"Includes the stem and complete overlapping cone scales with their enclosed interiors; excludes neighboring graphics.","id":"obj_076","temporal":{"status":"found","start_s":10.75,"end_s":13.25,"reference_s":10.75,"evidence":"目标是厨房图标集合左上角带绿色短茎、由多层重叠鳞片构成的悬垂啤酒花球果。首个合格帧为10.75秒，茎和完整球果均已呈现；最后合格帧为13.00秒。此前10.50秒仍是洋葱等另一组图标，此后13.25秒已切换为咖啡器具等图标，目标不再出现。选择10.75秒作为关键帧，因其轮廓清晰、无遮挡且与邻近图标分离。","start_frame":258,"end_frame":318,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[143.8,172.2,194.3,316.7],"positive_points":[[172.4,183.3],[168.8,217.6],[153.1,253.7],[180.2,258.3],[166.1,274.1],[165.6,300]],"negative_points":[[126.6,233.3],[210.9,254.6],[166.7,342.6],[169.8,448.1]],"evidence":"目标是左上角带绿色短茎、鳞片层叠的啤酒花球果。边界框紧贴完整茎和全部球果鳞片；正点分布于茎及不同层鳞片的轮廓或封闭内部，负点位于左右及下方外部背景和下方独立厨师帽图案上。"}},{"name":"Heart lollipop icon","description":"Second graphic across the kitchen collection's top row: a heart-shaped sweet on a stick with a green bow.","membership":"Includes the heart, highlight, stick, and bow with enclosed interiors; excludes neighboring graphics.","id":"obj_077","temporal":{"status":"found","start_s":10.75,"end_s":13.25,"reference_s":12.5,"evidence":"目标是厨房图标组顶排第二个心形棒棒糖，包含心形糖体、高光、棒杆和绿色蝴蝶结。10.75秒首次完整出现，至13.00秒仍完整可见；此前10.50秒是另一组食品图标，随后13.25秒已切换为咖啡等图标组。选择12.50秒作为关键帧，目标直立、结构清晰且无遮挡。","start_frame":258,"end_frame":318,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[305.2,169.4,352.1,321.3],"positive_points":[[316.2,194.4],[340.6,185.2],[329.2,221.3],[317.7,255.6],[341.7,255.6],[330.2,296.3]],"negative_points":[[286.5,213],[375,222.2],[328.1,347.2],[500,254.6]],"evidence":"目标是顶排第二个图标：带绿色蝴蝶结的心形棒棒糖。边界框紧贴完整心形、内部高光、蝴蝶结和糖棒；正点分布于心形及高光、蝴蝶结两侧和糖棒，负点位于外围空白及右侧独立的秤图标上。"}},{"name":"Kitchen scale icon","description":"Center graphic in the kitchen collection's top row: a shallow weighing pan above a circular dial with a moving green needle.","membership":"Includes the pan, support, dial and enclosed face, needle, and base; excludes neighboring graphics.","id":"obj_078","temporal":{"status":"found","start_s":10.75,"end_s":13.25,"reference_s":12.5,"evidence":"目标是厨房图标组顶排中央的厨房秤，具有浅托盘、支撑、圆形表盘、绿色指针和底座。首个合格帧为10.75秒，最后一个为13.00秒，期间结构完整，指针转动不影响连续性。前一帧10.50秒仍是另一组食品图标，后一帧13.25秒已切换为咖啡等图标，均无该秤。选择12.50秒作为关键帧，秤的轮廓完整清晰且无遮挡。","start_frame":258,"end_frame":318,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[470.3,171.3,529.2,317.6],"positive_points":[[500,174.1],[482.8,201.9],[492.7,216.7],[507.8,259.3],[499.5,246.3],[500,313.9]],"negative_points":[[572.9,240.7],[500,370.4],[329.3,254.6],[656.8,294.4]],"evidence":"目标是顶排中央的厨房秤，具有浅秤盘、圆形表盘和绿色指针。边界框紧贴秤盘、支撑、表盘及底座的整体外缘；正点分布于这些组成部分及表盘内部，负点位于右侧和下方外部空白，以及相邻的心形图案和烤箱手套上。"}},{"name":"Oven mitt icon","description":"Fourth graphic across the kitchen collection's top row: a striped oven glove with a green cuff and hanging loop.","membership":"Includes the full mitt, stripe details, cuff, and loop with its enclosed opening; excludes neighboring graphics.","id":"obj_079","temporal":{"status":"found","start_s":10.75,"end_s":13.25,"reference_s":11.75,"evidence":"目标是厨房图标组顶排第四个烤箱手套，具有条纹、绿色袖口和带封闭孔的挂环。10.75秒首次完整出现，旋转过程中结构始终完整，最后合格帧为13.00秒。前一帧10.50秒是另一组食品图标；后一帧13.25秒已切换为咖啡等图标，手套消失。选择11.75秒为关键帧，此时手套直立、轮廓及袖口挂环清楚，无遮挡。","start_frame":258,"end_frame":318,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[631.3,177.8,701.1,327.8],"positive_points":[[659,181.5],[653,233],[697.5,233],[639.5,251],[661,296],[637,314]],"negative_points":[[599,241],[734,250],[656,380],[656,120]],"evidence":"目标是顶排第四个带条纹、绿色袖口和挂环的烤箱手套。边界框紧贴完整手套、袖口及挂环；六个正点分布在顶部轮廓、条纹、拇指、左侧轮廓、袖口和挂环处，四个负点位于目标四周的外部空白，避开相邻图标。"}},{"name":"Bread slice icon","description":"Upper-right graphic of the kitchen collection: a thick-edged bread slice with green crumb marks, later missing a bite.","membership":"Includes the visible slice, crust, enclosed crumb area, and green marks; follows the external bite concavity and excludes neighboring graphics.","id":"obj_080","temporal":{"status":"found","start_s":10.75,"end_s":13.25,"reference_s":11.25,"evidence":"目标是厨房图标集合右上角的面包片，具有双层厚边轮廓和绿色面包屑标记，后续出现咬缺口。首个合格帧为10.75秒，最后为13.00秒；此前10.50秒是另一组食品图标，此后13.25秒已切换为咖啡器具等图标。选择11.25秒作为关键帧，此时面包片完整、近乎直立且无遮挡，便于标注。","start_frame":258,"end_frame":318,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[801.0,162.0,874.5,311.1],"positive_points":[[837.5,165.7],[806.3,204.6],[869.8,213.0],[833.3,239.8],[838.0,302.8],[849.5,283.3]],"negative_points":[[786.5,240.7],[890.6,240.7],[833.3,129.6],[831.3,439.8]],"evidence":"目标是右上角带深色双层面包皮轮廓及绿色碎屑标记的面包片。边界框紧贴完整面包片外缘；正点分布在顶部、两侧和底部面包皮、内部面包瓤及绿色标记上。负点位于外部留白及下方独立咖啡机上，不涉及面包片内部。"}},{"name":"Chef hat icon","description":"Leftmost graphic in the kitchen collection's middle row: a tall chef's toque with a puffy top and green lower pleat marks.","membership":"Includes the complete hat boundary, enclosed surface, band, and pleat marks; excludes neighboring graphics.","id":"obj_081","temporal":{"status":"found","start_s":10.75,"end_s":13.25,"reference_s":11.75,"evidence":"目标是厨房图标集合中间一排最左侧的厨师帽，具有蓬松帽顶、高帽身、底部帽带和绿色褶线。10.75秒首次完整出现，至13.00秒仍完整可见，期间倾斜变形不影响完整性。前一帧10.50秒为另一组食品图标，后一帧13.25秒已替换为咖啡等图标，均无该帽子。选择11.75秒作为关键帧，帽子直立、轮廓清晰且无遮挡。","start_frame":258,"end_frame":318,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[133.3,428.7,205.7,561.1],"positive_points":[[144.8,459.3],[169.3,445.4],[195.8,475],[164.1,504.6],[177.6,534.3],[168.8,550.9]],"negative_points":[[114.6,492.6],[220.3,486.1],[169.3,398.1],[170.3,598.1]],"evidence":"目标是中排最左侧的厨师帽，具有蓬松帽顶、高帽身和绿色下部褶线。边界框紧贴完整帽子，覆盖轮廓、内部表面、帽带和褶线；六个正点分布在这些部位，四个负点位于帽子外围的空白背景。"}},{"name":"Watermelon slice icon","description":"Second graphic across the kitchen collection's middle row: a semicircular fruit slice with green elongated seeds, animated through bite states.","membership":"Includes the visible fruit flesh, rind bands, and seeds; follows bite concavities and excludes removed portions and neighboring graphics.","id":"obj_082","temporal":{"status":"found","start_s":10.75,"end_s":13.25,"reference_s":12.5,"evidence":"目标是厨房图标集合中排从左数第二个西瓜切片，具有双层弧形瓜皮和绿色长形瓜籽，并连续呈现被咬缺的状态。首个合格帧为10.75秒，末个为13.00秒；此前10.50秒是另一组食品图标，此后13.25秒已切换为咖啡等图标。选择12.50秒作为关键帧，此时切片完整、瓜籽清晰，便于与右侧相似切片区分。","start_frame":258,"end_frame":318,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[292.7,439.8,377.1,548.2],"positive_points":[[321.4,501.9],[340.6,503.7],[353.1,476.9],[313.5,536.1],[369.8,474.1],[324.0,478.7]],"negative_points":[[166.7,490.7],[500.0,500.0],[333.9,397.2],[333.3,586.1]],"evidence":"目标是中排从左数第二个西瓜切片，具有绿色长形籽和双层弧形瓜皮。边界框紧贴完整切片，覆盖果肉、瓜皮及籽。正点分布于籽、果肉和瓜皮；负点位于左右相邻图标及切片上下的外部背景，不标记内部空白。"}},{"name":"Melon slice icon","description":"Center graphic in the kitchen collection's middle row: a semicircular melon slice with an inner seed cavity and small green round seeds.","membership":"Includes the visible rind, flesh, inner cavity, and seeds; follows changing bite contours and excludes removed portions and neighboring graphics.","id":"obj_083","temporal":{"status":"found","start_s":10.75,"end_s":13.25,"reference_s":12.5,"evidence":"目标是厨房图标集合中排中央的甜瓜切片，具有双层弧形瓜皮、内部种子腔和绿色圆点种子，区别于左侧的西瓜切片。10.75秒首次完整出现，咬痕变化期间持续可见，最后 qualifying 帧为13.00秒。此前10.50秒是另一组食物图标；之后13.25秒已切换为咖啡、寿司等图标。选择12.50秒作为关键帧，此时切片完整、内部种子腔清晰且无遮挡。","start_frame":258,"end_frame":318,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[457.8,439.8,544.3,548.1],"positive_points":[[495.3,488.9],[508.9,478.7],[524.5,489.8],[490.1,517.6],[506.3,538.9],[472.4,494.4]],"negative_points":[[437.5,492.6],[562.5,490.7],[500,407.4],[500,583.3]],"evidence":"目标是中排中央带内层种子腔和绿色圆籽的半圆形瓜片。边界框紧贴完整瓜片的可见外缘，涵盖瓜皮、果肉、种子腔和种子；正点分布于这些部位，负点位于瓜片四周的外部空白，未落入内部空腔或邻近图标。"}},{"name":"Tea bag icon","description":"Fourth graphic across the kitchen collection's middle row: a small tea sachet attached to a green string and tag.","membership":"Includes the sachet and enclosed surface, string, and tag; the string remains an open curve, and surrounding space is excluded.","id":"obj_084","temporal":{"status":"found","start_s":10.75,"end_s":13.25,"reference_s":12.5,"evidence":"目标是厨房图标集合中排第四个茶包：黑色茶袋轮廓及袋面、绿色弧形细绳和末端标签。10.75秒首次完整出现，至13.00秒仍完整可见，期间仅有摆动。前一帧10.50秒是另一组食品图标，后一帧13.25秒已切换为咖啡与点心图标，茶包消失。选择12.50秒作为关键帧，茶袋、绳和标签清晰分离且无遮挡。","start_frame":258,"end_frame":318,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[628.6,414.8,701.6,555.6],"positive_points":[[645.8,502.8],[644.8,538.9],[647.4,463.9],[668.8,417.6],[691.7,470.4],[691.7,529.6]],"negative_points":[[609.4,483.3],[718.8,494.4],[661.5,592.6],[661.5,370.4]],"evidence":"目标是中排第四个茶包图标，由茶袋、绿色弧形提线和右侧标签组成。边界框紧贴三部分的整体可见范围；正点分布于茶袋内部、绿色线条和标签内，负点位于图标上下左右的外部空白，避开内部空隙。"}},{"name":"Espresso machine icon","description":"Rightmost graphic in the kitchen collection's middle row: a countertop coffee machine with dial, portafilter, steam wand, and moving green cup.","membership":"Includes the complete machine and its controls, portafilter, wand, base, and cup throughout its movement; excludes neighboring graphics.","id":"obj_085","temporal":{"status":"found","start_s":10.75,"end_s":13.25,"reference_s":12.5,"evidence":"目标位于厨房图标集合中排最右侧，可见咖啡机机身、旋钮、手柄、蒸汽棒、底座及移动的绿色杯子。首个合格帧为10.75秒，最后为13.00秒；杯子移动期间仍属同一完整图标。此前10.50秒是另一组食品图标，此后13.25秒已切换为咖啡豆等另一组图标。选择12.50秒作为关键帧，机器结构清晰完整，杯子位于出液口下方，便于标注。","start_frame":258,"end_frame":318,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[794.8,403.7,881.3,576.9],"positive_points":[[822.9,406.5],[840.1,439.8],[871.9,487.0],[804.7,500.9],[820.3,529.6],[838.0,574.1]],"negative_points":[[911.5,490.7],[833.3,304.6],[829.7,743.5],[645.8,524.1]],"evidence":"目标是中排最右侧带圆形表盘、手柄和绿色杯子的咖啡机。边界框紧贴整台机器，涵盖控制部件、冲煮手柄、蒸汽棒、底座及杯子。六个正点分布在这些部件的可见线条上；负点位于右侧外部空白及邻近的面包、糖果和茶包图标上。"}},{"name":"Eggplant icon","description":"Bottom-left graphic of the kitchen collection: a curved aubergine with green calyx and stem.","membership":"Includes the complete fruit body, enclosed interior, highlight, calyx, and stem; excludes neighboring graphics.","id":"obj_086","temporal":{"status":"found","start_s":10.75,"end_s":13.25,"reference_s":10.75,"evidence":"目标是厨房图标集合左下角的茄子，具有弯曲果身、内部高光及绿色萼片和果柄。首个合格帧为10.75秒，最后为13.00秒；期间虽有旋转变形，完整结构持续可见。前一帧10.50秒仍是另一组食品图标，后一帧13.25秒已切换为咖啡等图标，均无该茄子。选择10.75秒作为关键帧，因其轮廓完整清晰、无遮挡且易与邻近图标区分。","start_frame":258,"end_frame":318,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[126.6,659.3,211.5,814.8],"positive_points":[[130.5,670.4],[142.7,691.7],[151.6,734.3],[171.9,760.2],[197.9,777.8],[182.8,798.1]],"negative_points":[[113.5,742.6],[229.2,775],[171.9,629.6],[335.4,741.7]],"evidence":"目标是图像左下角带绿色花萼和茎的弯曲茄子。边界框紧贴完整果身、内部、高光、花萼和茎；正点分布于茎、花萼及果身内部，负点位于周围外部背景和右侧独立的玉米图标上。"}},{"name":"Corn cob icon","description":"Second graphic across the kitchen collection's bottom row: a marked corn cob surrounded by opening green husks.","membership":"Includes the cob, kernel marks, husks, and short stalk with their enclosed interiors; excludes gaps between opened husks and neighboring graphics.","id":"obj_087","temporal":{"status":"found","start_s":10.75,"end_s":13.25,"reference_s":10.75,"evidence":"目标是厨房图标集合底排从左数第二个玉米图标，包含带籽粒短线的玉米棒、张开的绿色苞叶和短茎。首个合格帧为10.75秒，结构已完整；最后合格帧为13.00秒，期间仅发生摆动和苞叶形变。前一帧10.50秒是另一组食品图标，后一帧13.25秒已切换为咖啡及点心图标，均无该目标。选择10.75秒作为关键帧，玉米轮廓完整、苞叶清晰且无遮挡。","start_frame":258,"end_frame":318,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[302.1,668.5,368.8,817.6],"positive_points":[[334.9,690.7],[333.3,725.9],[335.4,771.3],[313.5,742.6],[356.8,748.1],[333.9,806.5]],"negative_points":[[288,741.7],[382.8,748.1],[335.9,640.7],[333.9,845.4]],"evidence":"目标是底排第二个图标，黑色玉米棒带籽粒纹，左右为张开的绿色苞叶。边界框紧贴玉米棒、苞叶和底部短茎；六个正点分布于棒体、两侧苞叶及短茎内部，四个负点位于图标外围的空白背景，不落入苞叶间隙或相邻图标。"}},{"name":"Corn dog icon","description":"Center graphic in the kitchen collection's bottom row: an oblong snack on a stick with a green wavy sauce line, later bitten.","membership":"Includes the snack body, sauce line, and stick; follows the bite concavity and excludes removed bite space and neighboring graphics.","id":"obj_088","temporal":{"status":"found","start_s":10.75,"end_s":13.25,"reference_s":10.75,"evidence":"目标是厨房图标集合底排中央的玉米热狗：椭圆长条主体、绿色波浪酱线和细棍，后续出现咬痕，仍为同一图标。首个合格帧为10.75秒，最后为13.00秒；此前10.50秒是另一组食品图标，此后13.25秒已切换为咖啡等图标。选择10.75秒作为关键帧，因为主体、酱线及棍均完整清晰，与邻近图标分离。","start_frame":258,"end_frame":318,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[457.8,657.4,529.2,814.8],"positive_points":[[512.5,660.2],[524.5,700.9],[474.5,750.9],[489.1,737.9],[506.8,692.6],[465.6,796.3]],"negative_points":[[556,740],[430,775],[335,743],[663,753]],"evidence":"目标是底排中央带绿色波浪酱线和斜向木签的长圆形玉米热狗。边界框紧贴食品主体及木签的可见范围；六个正点分布于主体轮廓、酱线和木签，四个负点位于外部背景及左右相邻图标上。"}},{"name":"Fried egg icon","description":"Fourth graphic across the kitchen collection's bottom row: irregular egg-white portions with green yolks move together into a whole fried egg.","membership":"Includes all visible egg-white portions, yolks, and highlights; follows their irregular contours and excludes gaps between separated portions.","id":"obj_089","temporal":{"status":"found","start_s":10.75,"end_s":13.25,"reference_s":12.75,"evidence":"目标是厨房图标集合底排第四个煎蛋图标，具有不规则蛋白轮廓和绿色蛋黄；分离、移动及合并均属于同一图标的动画状态。首个合格帧为10.75秒，最后为13.00秒。前一帧10.50秒仍是另一组食品图标，后一帧13.25秒已替换为咖啡等图标。选择12.75秒为关键帧，此时蛋白已合成完整煎蛋，轮廓清晰且无遮挡。","start_frame":258,"end_frame":318,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[621.9,666.7,706.3,809.3],"positive_points":[[666.7,670.4],[624.0,759.3],[642.2,803.7],[703.6,760.2],[640.6,738.9],[660.9,752.8]],"negative_points":[[604.2,722.2],[666.7,638.9],[729.2,759.3],[666.7,851.9]],"evidence":"目标是底排第四个煎蛋图标，具有不规则深色蛋白轮廓和绿色蛋黄。边界框紧贴完整煎蛋的可见范围；六个正点分布在蛋白外轮廓、蛋黄轮廓及高光上，四个负点位于煎蛋四周的外部空白背景。"}},{"name":"Wrapped candy icon","description":"Bottom-right graphic of the kitchen collection: a striped oval sweet with green zigzag wrapper ends.","membership":"Includes the candy's enclosed center, stripes, and both wrapper ends; follows the wrapper concavities and excludes neighboring graphics.","id":"obj_090","temporal":{"status":"found","start_s":10.75,"end_s":13.25,"reference_s":12.5,"evidence":"目标是厨房图标集合右下角的糖果：封闭椭圆中心带深色条纹，两端为绿色锯齿状糖纸。首个合格帧为10.75秒，最后为13.00秒，期间旋转变形但结构完整。前一帧10.50秒是另一组食品图标，后一帧13.25秒已切换为咖啡等图标，均无该糖果。选择12.50秒作为关键帧，此时糖果近水平，中心、条纹及两端糖纸清晰且无遮挡。","start_frame":258,"end_frame":318,"reference_frame":300},"grounding":{"status":"found","bbox_xyxy":[783.3,709.3,872.9,784.3],"positive_points":[[811.5,741.7],[828.1,726.9],[843.2,751.9],[826.6,773.1],[791.7,719.4],[863.5,724.1]],"negative_points":[[765.6,745.4],[885.4,744.4],[828.1,679.6],[828.1,814.8]],"evidence":"目标是右下角带条纹椭圆糖体和绿色锯齿包装两端的糖果图标。边界框紧贴整个图标，包含两侧包装尖角；正点分布于糖体内部、条纹及两端绿色包装线上，负点位于图标四周的外部空白，避开内部空隙和邻近图形。"}},{"name":"Sushi rolls icon","description":"Upper-left graphic in the final seven-icon collection: two short cylindrical sushi rolls with contrasting dark and green filling outlines.","membership":"Includes both complete rolls, their top faces, side surfaces, and filling details; excludes the gap between them and neighboring graphics.","id":"obj_091","temporal":{"status":"found","start_s":13.25,"end_s":15.75,"reference_s":13.25,"evidence":"目标是最后七个图标集合左上方的两个圆柱形寿司卷，具有完整顶面、侧面及深色和绿色内馅轮廓。首个合格帧为13.25秒，最后合格帧为15.50秒，期间两卷虽有转动但持续完整可见。此前13.00秒仍为另一组食品图标；此后15.75秒已切换为品牌标志，寿司消失。选择13.25秒作为关键帧，两卷结构和内馅细节清楚，且无遮挡。","start_frame":318,"end_frame":378,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[207.8,309.3,291.7,442.6],"positive_points":[[232.8,339.8],[223.4,383.3],[224.0,324.1],[265.1,361.1],[267.7,416.7],[280.2,374.1]],"negative_points":[[192.7,370.4],[307.3,388.9],[250.0,282.4],[424.0,388.9]],"evidence":"目标��七个图标中左上角的两个寿司卷，具有深色和绿色馅料轮廓。边界框紧贴两个完整寿司卷的可见外缘；六个正点分布在两卷的顶面、侧面及馅料细节上，四个负点位于图标外部空白和右侧咖啡豆图标上。"}},{"name":"Coffee beans icon","description":"Second graphic across the final collection's upper row: two oval coffee beans, one green and one dark, with curved central seams.","membership":"Includes both beans, their enclosed interiors, and seam lines; excludes space between the beans and neighboring graphics.","id":"obj_092","temporal":{"status":"found","start_s":13.25,"end_s":15.75,"reference_s":13.5,"evidence":"目标为最后一组图标上排第二项：一绿一深色的两颗椭圆咖啡豆，均带弯曲中缝。13.25秒首次完整出现，持续至15.50秒；此前13.00秒仍是上一组食品图标，之后15.75秒切换为品牌标志，咖啡豆消失。选择13.50秒为关键帧，两颗豆子分离且轮廓、中缝清晰，便于分别标注。","start_frame":318,"end_frame":378,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[361.5,308.3,469.3,431.5],"positive_points":[[382.3,325.9],[371.9,364.8],[389.1,391.7],[445.3,328.7],[433.9,369.4],[450.5,404.6]],"negative_points":[[338.5,361.1],[492.2,365.7],[414.6,267.6],[415.1,471.3]],"evidence":"目标是上排第二组图案，由绿色和深色两颗带弯曲中缝的椭圆咖啡豆组成。边界框紧贴两颗豆的整体可见范围；六个正点分别分布在两颗豆的内部，四个负点位于整组图案上、下、左、右的外部空白背景。"}},{"name":"Coffee press icon","description":"Third graphic across the final collection's upper row: a tall green-plunger brewing press sits above a handled cup.","membership":"Includes the complete press, plunger, filter support, cup and handle opening, and visible coffee marks; excludes neighboring graphics.","id":"obj_093","temporal":{"status":"found","start_s":13.25,"end_s":15.75,"reference_s":13.5,"evidence":"目标是最后一组图标上排第三个：绿色活塞的高筒咖啡压滤器，下接带把手的杯子。13.25秒首次完整出现，压滤器、支架、杯子及把手均已建立；15.50秒仍完整可见。此前13.00秒是另一组食品图标，之后15.75秒已切换为品牌标志。选择13.50秒作为关键帧，目标轮廓清晰，杯内咖啡标记可见，且与邻近图标分离。","start_frame":318,"end_frame":378,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[558.3,288.9,611,457.4],"positive_points":[[580.7,292.6],[588,328.7],[580.7,384.3],[576.6,420.4],[580.7,453.7],[608.3,411.1]],"negative_points":[[444.3,368.5],[747.9,363],[541.7,361.1],[581.3,496.3]],"evidence":"目标是上排第三个图标，绿色高柱活塞压滤器位于带柄杯上方。边界框覆盖完整活塞、压滤主体、支架、杯体、杯柄及咖啡痕迹。正点分布在顶杆、立柱、支架、咖啡痕迹、杯底和杯柄上；负点位于左右相邻图标及目标左侧、下方的外部背景。"}},{"name":"Pour-over coffee maker icon","description":"Rightmost graphic in the final collection's upper row: a green conical dripper rests above a handled glass carafe.","membership":"Includes the dripper, its handle and support, the complete carafe, enclosed liquid area, and visible drips; excludes neighboring graphics.","id":"obj_094","temporal":{"status":"found","start_s":13.25,"end_s":15.75,"reference_s":13.5,"evidence":"目标为最后一组图标上排最右侧的手冲咖啡壶：绿色锥形滤杯及其把手、支架位于带把手的玻璃壶上方。13.25秒首次完整出现，至15.50秒仍完整可见，期间倾斜不影响纳入。前一帧13.00秒是另一组食品图标；后一帧15.75秒已切换为品牌标志，目标消失。选择13.50秒作为关键帧，此时滤杯、壶体和滴液清晰且无遮挡。","start_frame":318,"end_frame":378,"reference_frame":324},"grounding":{"status":"found","bbox_xyxy":[722.4,300,786.5,441.7],"positive_points":[[744.8,302.8],[732.8,330.6],[769.8,321.3],[746.9,362],[745.8,427.8],[781.8,417.6]],"negative_points":[[703.1,333.3],[807.3,382.4],[750,481.5],[581.3,388.9]],"evidence":"目标为上排最右侧的手冲咖啡壶图标：绿色锥形滤杯置于带柄玻璃壶上。边界框紧贴滤杯、滤杯把手及支架和完整咖啡壶的可见范围。正点分布于滤杯轮廓、把手、支架、壶内液体区域及壶柄；负点位于图标外围白色背景和左侧另一咖啡器具上。"}},{"name":"Moka pot icon","description":"Left graphic in the final collection's lower row: a faceted stovetop coffee pot with green accents tilts and pours.","membership":"Includes the complete pot, lid, knob, spout, handle and its opening, and pouring stream; excludes neighboring graphics.","id":"obj_095","temporal":{"status":"found","start_s":13.25,"end_s":15.75,"reference_s":13.75,"evidence":"目标是最后一组图标下排左侧的摩卡壶，具有多棱壶身、壶盖与顶钮、壶嘴、把手及绿色倾倒水流。13.25秒壶体结���已完整呈现，随后倾斜倒水，至15.50秒仍可见完整壶体；13.00秒还是上一组食物图标，15.75秒已替换为品牌标志。选择13.75秒作为关键帧，壶体、把手开口和倾倒水流清晰，与邻近图标分离。","start_frame":318,"end_frame":378,"reference_frame":330},"grounding":{"status":"found","bbox_xyxy":[287,523.1,391.2,740.8],"positive_points":[[322.4,535.6],[357.3,526.9],[337,599],[313,598],[363.5,669.4],[289.1,700]],"negative_points":[[265.6,574.1],[411.5,685.2],[462.5,620.4],[380.2,315.7]],"evidence":"目标是下排左侧倾斜倒水的摩卡壶。边界框覆盖完整壶身、壶盖与绿色盖钮、壶嘴、把手及其开口和向下延伸的绿色水流。六个正点分布在盖钮、把手、壶身、壶嘴、底座和水流上；负点位于外围空白及相邻椒盐卷饼、咖啡豆图形上。"}},{"name":"Pretzel icon","description":"Center graphic in the final collection's lower row: a looped pretzel with green salt dots, later missing a bite.","membership":"Includes the complete visible pretzel pattern, its enclosed openings, and salt dots; follows the external bite concavity and excludes neighboring graphics.","id":"obj_096","temporal":{"status":"found","start_s":13.25,"end_s":15.75,"reference_s":13.25,"evidence":"目标是最后一组图标下排中央的椒盐脆饼，具有交叠环形轮廓、内部孔洞和绿色盐粒，后续出现咬口。首个合格帧为13.25秒，最后为15.50秒；此前13.00秒仍是上一组食品图标，此后15.75秒已切换为品牌标志。选择13.25秒作为关键帧，此时脆饼完整清晰、无遮挡，且与相邻图标分离。","start_frame":318,"end_frame":378,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[453.1,566.7,545.3,703.7],"positive_points":[[466.1,588.0],[517.7,577.8],[537.5,619.4],[522.9,667.6],[495.8,687.0],[455.7,621.3]],"negative_points":[[336.0,601.9],[640.6,611.1],[500.0,509.3],[500.0,750.0]],"evidence":"目标是下排中央带绿色盐点的环结椒盐卷饼图标。边界框紧贴完整外轮廓，涵盖交叠线条、内部开口和盐点。正点分布在盐点及左侧轮廓上；负点位于左右相邻图标和目标上下方的外部白色背景。"}},{"name":"Salt and pepper set icon","description":"Right graphic in the final collection's lower row: two shakers labeled \"S\" and \"P\" stand on a shared tray and lift in turn.","membership":"Includes both shakers, their enclosed surfaces, labels and cap marks, and the complete tray; excludes gaps beneath lifted shakers and neighboring graphics.","id":"obj_097","temporal":{"status":"found","start_s":13.25,"end_s":15.75,"reference_s":15.0,"evidence":"目标是最后一组图标下排右侧的盐胡椒套装：标有“S”和“P”的两个调味瓶及共同托盘，期间两瓶轮流抬起。13.25秒首次完整出现，15.50秒仍完整可见；前一帧13.00秒是另一组食品图标，后一帧15.75秒已切换为品牌标志。选择15.00秒作为关键帧，因为两瓶均落在托盘上，轮廓、标签及托盘清晰且无遮挡。","start_frame":318,"end_frame":378,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[615.6,567.6,715.1,700.9],"positive_points":[[642.7,581.5],[642.2,638.9],[686.5,582.4],[688.5,638],[626,689.8],[703.1,689.8]],"negative_points":[[592,636],[740,635],[665,535],[665,735]],"evidence":"目标是下排右侧标有“S”和“P”的双调味瓶图标。边界框紧密覆盖两个瓶体、瓶盖及完整共用托盘；六个正点分布于两瓶的顶部、内部表面和托盘两端，四个负点位于图标外围的空白背景，避开内部间隙及相邻图形。"}},{"name":"Lordicon crowned face logo","description":"A dark rounded face with a two-tone green crown appears alone, moves, and becomes the pictorial letter within the closing Lordicon wordmark.","membership":"Includes the complete face silhouette, eyes, and green crown throughout its transformation and movement; excludes adjacent lettering and the website text.","id":"obj_098","temporal":{"status":"found","start_s":15.75,"end_s":21.0,"reference_s":17.0,"evidence":"目标为深色圆脸、白色眼睛及双色绿色皇冠，随后移动并成为 Lordicon 字标中的图形字母。15.75 秒首帧已具备完整脸部与皇冠结构，15.50 秒仍是食品图标、没有该标志；之后的旋转及眼睛变化属于完整标志的动画。最后 qualifying 帧为 20.75 秒，目标持续至视频结束，边界外无后续帧。选择 17.00 秒作为关键帧，此时皇冠、脸部及双眼清晰完整，且易与相邻文字区分。","start_frame":378,"end_frame":504,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[332.3,413.9,390.1,523.1],"positive_points":[[337.0,445.4],[360.9,442.6],[385.4,450.9],[341.1,487.0],[360.4,507.4],[369.3,481.5]],"negative_points":[[284.4,444.4],[409.4,463.0],[483.9,726.9],[360.9,564.8]],"evidence":"目标是主标题中充当首个 o 的戴冠圆脸。边界框紧贴完整双色绿冠、深色脸部及双眼，不含相邻字母。正点分布于皇冠、脸部和眼睛；负点位于相邻 L、r 字母、下方网址及图标下方白色背景。"}},{"name":"Lordicon wordmark leading letter","description":"The large dark letter \"L\" sits immediately to the left of the crowned face in the closing wordmark.","membership":"Includes only the visible letter strokes; excludes the adjacent crowned face, remaining wordmark letters, and website text.","id":"obj_099","temporal":{"status":"found","start_s":16.25,"end_s":21.0,"reference_s":17.0,"evidence":"目标是片尾字标中紧邻绿色王冠脸左侧的深色大写 L，仅含该字母笔画。16.25 秒首次呈现完整 L，之前 16.00 秒仅有竖条，字母结构尚未揭示完成。此后持续可见，最后合格采样帧为 20.75 秒，区间延伸至视频结束 21.00 秒，之后无采样帧。选择 17.00 秒，因 L 形状清晰、无遮挡，且与相邻图形易于区分。","start_frame":390,"end_frame":504,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[272.4,373.1,327.1,521.3],"positive_points":[[283,389],[283,431],[283,474],[282,505],[301,503],[319,505]],"negative_points":[[361,496],[362,450],[411,467],[249,450]],"evidence":"目标是主字标中紧邻皇冠脸左侧的深色大写“L”。边界框紧贴其竖画和底部横画；六个正点分布于这两部分笔画，负点位于相邻脸部、皇冠、后续字母及左侧外部白色背景，均不包含在目标内。"}},{"name":"Lordicon wordmark trailing lettering","description":"The large dark text \"rdicon\" resolves to the right of the crowned face in the closing wordmark.","membership":"Includes only this continuous lettering block and its enclosed letter counters; excludes the crowned face, leading \"L\", and website text.","id":"obj_100","temporal":{"status":"found","start_s":16.75,"end_s":21.0,"reference_s":17.25,"evidence":"目标是结尾标志中皇冠脸右侧的深色“rdicon”连续字母块，不包括左侧L、皇冠脸或网址。16.75秒所有指定字母首次完整呈现，虽间距仍在调整但结构已齐全；前一帧16.50秒字母尚未全部揭示。最后合格帧为20.75秒，目标持续至视频结束21.0秒，之后无采样帧。选择17.25秒作为关键帧，此时字形清晰、排列完整且无遮挡。","start_frame":402,"end_frame":504,"reference_frame":414},"grounding":{"status":"found","bbox_xyxy":[400,373.1,733.3,523.1],"positive_points":[[409.4,463.9],[491.1,446.3],[528.1,458.3],[563.5,465.7],[656.8,467.6],[721.4,468.5]],"negative_points":[[283.3,456.5],[361.5,444.4],[499,725.9],[781.3,453.7]],"evidence":"目标是皇冠脸右侧的大号深色“rdicon”。边界框紧贴完整字母块，包含字母内孔及 i 的点，不含左侧 L、皇冠脸或下方网址。六个正点分别落在六个字母的笔画上；负点位于左侧 L、皇冠脸、下方网址及右侧外部白色背景。"}},{"name":"Lordicon website text","description":"The green text \"Lordicon.com\" appears below the closing wordmark.","membership":"Includes only the complete website text and its letter interiors; excludes the wordmark above and surrounding white space.","id":"obj_101","temporal":{"status":"found","start_s":16.75,"end_s":21.0,"reference_s":17.25,"evidence":"目标是结束字标下方绿色的“Lordicon.com”，不包含上方字标。16.75秒首次完整显示网址，虽字母仍有倾斜但结构齐全；此前16.50秒网址尚未揭示完整。最后合格帧为20.75秒，网址持续完整可见，区间延伸至视频结尾21.0秒，之后无采样帧。选择17.25秒作为关键帧，此时文字平直清晰、无遮挡。","start_frame":402,"end_frame":504,"reference_frame":414},"grounding":{"status":"found","bbox_xyxy":[412.5,704.6,587.5,745.4],"positive_points":[[415.1,722.2],[428.6,729.6],[466.1,721.3],[481.3,723.1],[520.3,731.5],[584.9,736.1]],"negative_points":[[525,453.7],[500,648.1],[385.4,726.9],[604.2,726.9]],"evidence":"目标是主标志下方绿色的“Lordicon.com”。边界框紧贴完整网址文字，六个正点分布在不同字母的笔画上；负点位于上方主标志及网址上方、左右的外部白色背景，不包含字间空隙。"}}]}
+{"video_id":308,"video_type":"icons and abstract motion graphics","targets":[{"name":"Mobile app demonstration phone","description":"Black, rounded smartphone initially upright on the right, showing the “My profile” personal-information form. It moves to the left for the “Directory” search and messaging demonstration.","membership":"Include the complete visible handset, its bezel, side buttons, and enclosed display with all interface contents and overlays. Separately listed controls and panels remain within this region. Exclude surrounding presentation text and decorative shapes.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":5,"reference_s":1.5,"evidence":"目标是右侧黑色圆角手机，包含边框、侧键及显示“My profile”表单的屏幕。首个合格帧为0秒，手机已完整呈现；视频起点之前无采样帧。最后合格帧为4.75秒，此时屏内显示修改成功弹窗， handset仍完整；紧邻的5秒帧中白色转场遮罩开始移除手机上部，因此结束此连续出现。选择1.5秒作为关键帧，手机轮廓完整清晰、无遮挡，便于标注整个机身。","start_frame":0,"end_frame":120,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[514.6,30.6,782.3,1000],"positive_points":[[558,76],[698,232],[575,471],[721,683],[647,906],[752,961]],"negative_points":[[312,551],[889,179],[473,292],[830,777]],"evidence":"目标是右侧显示“My profile”个人信息表单的黑色圆角手机。边界框覆盖完整可见机身、边框、侧键及屏幕全部内容。正点分布在顶部栏、表单、底部按钮和机身边框上；负点位于左侧演示文字、右上装饰圆点及手机外部背景。"}},{"name":"Profile access presentation text","description":"Text to the left of the initial phone: gray “PROFILE ACCESS” above large purple “and information update”.","membership":"Include all lettering in this coherent text block, including the wrapped final word. Exclude the phone and pale background decoration.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":5.25,"reference_s":2,"evidence":"目标是初始手机左侧的完整文字组：灰色“PROFILE ACCESS”和紫色两行“and information update”。首个合格帧为0.00秒，视频起点之前无采样帧；最后合格帧为5.00秒，文字仍完整可见。紧邻的5.25秒帧已切换到目录展示，目标文字消失。选择2.00秒作为关键帧，文字清晰完整、无遮挡，且与手机和背景装饰易于区分。","start_frame":0,"end_frame":126,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[94.3,444.4,453.1,662.0],"positive_points":[[97.4,458.3],[163.5,459.3],[196.4,550.9],[446.9,553.7],[99.5,625.0],[215.6,627.8]],"negative_points":[[80.0,425.0],[299.0,713.0],[475.0,564.0],[642.0,474.0]],"evidence":"目标是手机左侧的完整演示文字块：灰色“PROFILE ACCESS”和紫色两行“and information update”。边界框紧贴全部文字，包括末行下伸字形；正点分布在三行字母笔画上，负点位于文字外的浅色背景及右侧手机上，排除手机和背景装饰。"}},{"name":"Modify button","description":"Wide magenta “Modify” control revealed at the bottom of the personal-information form; it becomes pale pink during activation.","membership":"Include the button surface, boundary, and label throughout its changing activation state. Exclude the separate floating chat control overlapping its right end and the phone’s home indicator.","id":"obj_003","temporal":{"status":"found","start_s":1.0,"end_s":5.25,"reference_s":2.0,"evidence":"目标是个人信息表单底部标有“Modify”的宽洋红色按钮，包含激活时的浅粉色状态，不含右端浮动聊天控件和手机底部指示条。1.00秒按钮表面、边界及文字首次完整可见；前一帧0.75秒仍被屏幕底缘裁切。最后合格帧为5.00秒，转场遮罩尚未遮住按钮；5.25秒已切换到目录页面，按钮消失。选择2.00秒作为关键帧，按钮清晰且未受确认弹窗暗化影响。","start_frame":24,"end_frame":126,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[536.9,877.8,760.4,931.5],"positive_points":[[547,894],[589,915],[635,906],[672,893],[703,916],[721,891]],"negative_points":[[747.4,900],[650,934.3],[646,837],[807,903]],"evidence":"目标是手机表单底部标有“Modify”的宽洋红色按钮。边界框紧贴按钮可见外缘；六个正点分布于按钮表面及标签区域。负点分别位于右端独立聊天控件、下方手机主屏指示条、上方表单空白和手机外背景，排除这些非目标内容。"}},{"name":"Profile modification confirmation","description":"White dialog centered over the dimmed profile form, with a green confirmation check, “Your profile has been modified”, and a light-blue “OK” button.","membership":"Include the entire dialog surface and rounded boundary, confirmation symbol, message, and button. Exclude the dimmed form and surrounding screen outside the dialog.","id":"obj_004","temporal":{"status":"found","start_s":4.0,"end_s":5.0,"reference_s":4.75,"evidence":"目标是变暗资料表单中央的白色圆角确认弹窗，含修改成功文字、绿色确认符号和浅蓝色“OK”按钮。4.00秒弹窗表面及边界已完整建立，内部确认符号随后变化；最后合格帧为4.75秒。前一帧3.75秒尚无弹窗，后一帧5.00秒已被转场遮罩移除部分。选择4.75秒作为关键帧，因为绿色对勾完整且整个弹窗清晰无遮挡。","start_frame":96,"end_frame":120,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[533.9,300.9,763.5,706.5],"positive_points":[[550,326],[648,394],[646,499],[649,662],[741,616],[555,626]],"negative_points":[[648,253],[649,791],[502,503],[792,512]],"evidence":"目标是手机屏幕中央的白色确认弹窗，含绿色勾号、“Your profile has been modified”文字和浅蓝色OK按钮。边框紧贴整个弹窗的圆角外边界；正点分布在弹窗表面、确认符号、消息与按钮上，负点位于上下方变暗的表单及左右外部背景，均不包含弹窗。"}},{"name":"Directory search presentation text","description":"Text to the right of the upright phone: gray “DIRECTORY SEARCH” above large purple “and profile viewing”, progressively revealed during the transition.","membership":"Include the complete lettering of this title block as it is revealed. Exclude the adjacent phone and pale decorative background shape.","id":"obj_005","temporal":{"status":"found","start_s":6.5,"end_s":23.75,"reference_s":10.75,"evidence":"目标是直立手机右侧的标题块：灰色“DIRECTORY SEARCH”和紫色“and profile viewing”。6.5秒首次完整显示，前一帧6.25秒末尾字母仍未揭示完成；23.5秒为最后符合条件的帧，23.75秒标题已消失。选择10.75秒作为关键帧，文字完整清晰，与手机及背景装饰容易区分。","start_frame":156,"end_frame":570,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[522.9,458.3,955.2,592.6],"positive_points":[[524.9,474.1],[766.9,474.1],[532.8,558.3],[605.7,538.9],[631.8,573.1],[951.6,555.6]],"negative_points":[[686.5,405.6],[726.0,653.7],[394.8,469.4],[919.8,732.4]],"evidence":"目标是手机右侧的两行标题：灰色“DIRECTORY SEARCH”和紫色“and profile viewing”。边界框紧密覆盖完整两行文字；正点分布在两行的实际字形笔画上，负点位于标题外的空白、手机及右下淡色装饰区域。"}},{"name":"Directory search field","description":"Search input near the top of the phone’s “Directory” page, paired with a magenta magnifying-glass control. The query is typed progressively as “Orange”.","membership":"Include the outlined input surface, placeholder or entered query, and attached search-button surface and icon. Exclude the “Advanced search” button below, search results, keyboard, and temporary input indicators.","id":"obj_006","temporal":{"status":"found","start_s":10.25,"end_s":14.0,"reference_s":13.25,"evidence":"目标是 Directory 页面顶部的描边搜索输入框及其右侧洋红色放大镜按钮，查询逐步输入为“Orange”。首个完整呈现帧为10.25秒，最后符合帧为13.75秒；此前10.00秒搜索框仍在顶部可视区域之外，此后14.00秒搜索框随页面上滚而被顶部栏裁切。选择13.25秒作为关键帧，输入框、完整查询和按钮均清晰可见。","start_frame":246,"end_frame":336,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[189.6,101.9,424.5,166.7],"positive_points":[[208,133],[253,119],[304,149],[367,132],[407,134],[416,153]],"negative_points":[[303,235],[309,30],[296,408],[307,740]],"evidence":"目标是手机 Directory 页顶部显示“Orange”的搜索输入框。边界框紧贴输入框外缘，包含输入表面、查询文字以及右侧洋红色搜索按钮和放大镜图标。正点分布于文字、输入表面和搜索按钮；负点位于下方 Advanced search 按钮、顶部标题栏、人物结果和键盘，均不属于目标。"}},{"name":"Henri LEBOUTEUX conversation panel","description":"Messaging panel opened over the directory results. Its header shows “Henri LEBOUTEUX ...”, a small portrait, “Offline”, and call controls; the initially empty conversation receives the outgoing message “Hello Henri !”.","membership":"Include the complete conversation panel, its surface and boundary, header, message history, message composer, and embedded controls. Follow its changing height when the keyboard appears. Exclude the keyboard, exposed directory content beneath it, and the separate magenta collapse control outside the panel.","id":"obj_007","temporal":{"status":"found","start_s":15.75,"end_s":24.0,"reference_s":21.5,"evidence":"以标题“Henri LEBOUTEUX ...”、Offline 状态、通话控件及消息输入区识别会话面板。15.75 秒面板表面、边界和布局已完整建立；此前 15.50 秒仍是 Chats 加载页。面板随键盘出现改变高度，并持续至最后合格帧 23.75 秒；24.00 秒已切换为地理定位展示场景。选择 21.50 秒作为关键帧，标题、输入区及已发送的“Hello Henri !”均清楚可见，便于排除键盘、下方目录和独立洋红色折叠按钮。","start_frame":378,"end_frame":576,"reference_frame":516},"grounding":{"status":"found","bbox_xyxy":[170.8,0,443.2,458.3],"positive_points":[[275,34],[399,42],[241,211],[394,188],[257,350],[389,410]],"negative_points":[[306,674],[304,480],[417,473],[479,288]],"evidence":"通过顶部“Henri LEBOUTEUX ...”、头像、Offline 状态及“Hello Henri !”消息识别会话面板。边界框覆盖手机内从图像顶端至输入框下方圆角底边的完整面板，包括页头、消息区和编辑器。正点分布于页头、通话控件、消息及编辑区域；负点位于键盘、下方露出的目录、独立洋红色收起按钮和手机外背景。"}},{"name":"Angled mobile app phone","description":"Black smartphone presented again after the blank transition, now tilted on the right. Its display shows an open navigation menu with “Hello Julie !”, “Home”, “My profile”, “Directory”, and “Around me”, alongside a narrow portion of the home page.","membership":"Include the full handset following its angled outer outline, with its bezel, side controls, and all enclosed display contents. Exclude its cast shadow, nearby magenta dots, and presentation text.","id":"obj_008","temporal":{"status":"found","start_s":24.0,"end_s":26.0,"reference_s":25.75,"evidence":"目标是空白转场后右侧倾斜的黑色手机，完整机身内显示含“Hello Julie !”“Home”“My profile”“Directory”“Around me”的导航菜单及窄幅主页。24.0秒首帧已完整呈现，之前23.75秒为空白转场、没有手机；此后移动和缩放不影响完整性，最后合格帧为25.75秒。区间到达视频末尾26.0秒，无后续采样帧。选择25.75秒作为关键帧，手机轮廓清晰、显示内容完整且无遮挡。","start_frame":576,"end_frame":624,"reference_frame":618},"grounding":{"status":"found","bbox_xyxy":[573.4,104.6,869.3,897.2],"positive_points":[[744.8,160.2],[679.2,322.2],[665.6,506.5],[635.4,725],[795.8,410.2],[735.4,867.6]],"negative_points":[[816.7,673.1],[312.5,305.6],[670.8,915.7],[890.1,448.1]],"evidence":"目标是右侧倾斜的黑色手机，屏幕显示“Hello Julie !”及 Home、Directory、Around me 等导航菜单。边界框紧贴完整机身外缘，包含边框、侧键和全部屏幕内容。六个正点分布于屏幕上中下部、右侧主页及底部边框；负点位于旁边的洋红圆点、左侧演示文字、手机下方投影和右侧背景，均不属于手机。"}},{"name":"Geolocation presentation text","description":"Text to the left of the angled phone: large purple “Geolocation” above gray “TO DEVELOP OR OPERATE YOUR PROXIMITY NETWORK”, revealed progressively.","membership":"Include all lettering of the heading and its two-line explanatory text as one coherent block. Exclude the phone and background decoration.","id":"obj_009","temporal":{"status":"found","start_s":25.5,"end_s":26.0,"reference_s":25.75,"evidence":"目标是斜置手机左侧的紫色“Geolocation”及下方两行灰色说明文字。25.25秒时标题末尾字母仍处于淡入显现阶段；25.5秒起整个文字块完整建立，最后一个合格采样帧为25.75秒。目标持续至视频结束，之后无采样帧。选择25.75秒作为关键帧，文字完整清晰且无遮挡。","start_frame":612,"end_frame":624,"reference_frame":618},"grounding":{"status":"found","bbox_xyxy":[133.9,263,483.9,462],"positive_points":[[140.1,302.8],[423.4,314.8],[179.2,394.4],[453.1,381.5],[215.6,444.4],[356.8,445.4]],"negative_points":[[93.8,398.1],[286.5,222.2],[338.5,518.5],[708.3,388.9]],"evidence":"目标位于倾斜手机左侧，由紫色“Geolocation”标题及下方两行灰色说明文字组成。边界框紧贴整个文字块；六个正点分布在标题和两行说明的字形笔画上，四个负点位于文字块外的背景及右侧手机上，排除手机与背景装饰。"}}]}
+{"video_id":309,"video_type":"icons and abstract motion graphics","targets":[{"name":"Use-case heading","description":"The large mint-green heading “CAN BE USED FOR” centered above the successive orange use-case banners.","membership":"Include only the complete heading lettering; exclude the orange banners, their text, and surrounding illustrations.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":10,"reference_s":0.75,"evidence":"目标是居中位于橙色用途横幅上方的薄荷绿色完整标题“CAN BE USED FOR”，不包含横幅及插图。首个合格帧为0.00秒，标题已完整呈现；最后合格帧为9.75秒，期间横幅内容变化但标题持续存在。10.00秒画面已被转场覆盖并切向其他内容，目标不再完整可见。区间从视频起点开始，无更早采样帧。选择0.75秒作为关键帧，标题清晰完整，周围空白充足且无遮挡。","start_frame":0,"end_frame":240,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[285.9,420.4,712.5,474.1],"positive_points":[[289.5,444.4],[327.1,427.8],[406.3,445.4],[491.7,444.4],[553.6,426.9],[692.7,449.1]],"negative_points":[[500,380],[260,450],[741,450],[500,550]],"evidence":"目标是橙色横幅上方的薄荷绿色标题“CAN BE USED FOR”。边界框紧贴整行标题字母；六个正点分布在不同字母的笔画上，负点位于标题上方及左右的白色背景和下方被排除的橙色横幅上。"}},{"name":"Sales videos title","description":"The white uppercase text “SALES VIDEOS” in the first central orange banner.","membership":"Include the complete text and its letter shadows; exclude the orange backing rectangle.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0.5,"evidence":"目标是中央橙色横幅中的白色大写“SALES VIDEOS”及字母阴影，不含橙色底板。首个合格帧为0.00秒，文字已完整呈现；最后合格帧为1.25���。1.50秒文字已下移、变淡并被横幅边缘截断，开始退出。区间到达视频起点，没有更早的采样帧。选择0.50秒作为关键帧，文字清晰完整、无遮挡。","start_frame":0,"end_frame":36,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[386.5,529.6,614.1,569.4],"positive_points":[[395.3,534.3],[409.4,555.6],[447.4,546.3],[506.3,545.4],[542.2,549.1],[606.3,535.2]],"negative_points":[[359.4,550],[640.6,546.3],[500,580.6],[500,638.9]],"evidence":"目标为中央橙色横幅中的白色大写“SALES VIDEOS”。边界框紧密覆盖完整文字及字母阴影，不包含橙色底板。六个正点分布于两个单词的字母笔画上；负点位于文字外侧的橙色底板及横幅下方白色背景。"}},{"name":"Promotional stories title","description":"The white uppercase text “PROMOTIONAL STORIES” that replaces the sales title as illustrated assets appear around it.","membership":"Include the complete title lettering and letter shadows; exclude the orange backing and surrounding assets.","id":"obj_003","temporal":{"status":"found","start_s":1.75,"end_s":5.25,"reference_s":4.0,"evidence":"目标是橙色横条上的白色大写“PROMOTIONAL STORIES”及字母阴影，不包括横条和周围图标。首个完整呈现帧为1.75秒；此前1.50秒仍为正在退出的“SALES VIDEOS”。最后符合条件的是5.00秒，标题虽随横条变形运动，但完整字样仍可见；5.25秒已替换为“ANIMATED EXPLAINERS”。选择4.00秒作为关键帧，文字清晰、完整且无遮挡。","start_frame":42,"end_frame":126,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[318.2,530.6,681,568.5],"positive_points":[[321.9,550],[379.7,550.9],[442.2,535.2],[515.1,556.5],[576,547.2],[647.4,550]],"negative_points":[[364.6,513.9],[625,587],[498.9,449.1],[739.6,550.9]],"evidence":"目标是画面中央橙色横条上的白色大写标题“PROMOTIONAL STORIES”。框紧贴完整字母及其阴影，不包含橙色底板。六个正点分布在两个单词的字母笔画上；负点位于标题上下的橙色底板、上方绿色文字及右侧外部背景。"}},{"name":"Desktop computer illustration","description":"A small white desktop monitor with a mint screen border and pedestal, presented at the upper left of the promotional stories layout.","membership":"Include the monitor housing, enclosed screen, pedestal, and base; exclude the pale decorative shape behind it.","id":"obj_004","temporal":{"status":"found","start_s":2.75,"end_s":5.25,"reference_s":4.0,"evidence":"目标是“PROMOTIONAL STORIES”版式左上角的白色台式显示器，包含薄荷色屏幕边框、支架及底座，不含背后浅色装饰。2.75秒首次结构完整，2.50秒仍在显现和构建；5.00秒虽缩小旋转但仍完整，5.25秒已消失，该位置出现定位图标。选择4.00秒作为关键帧，此时显示器轮廓清楚、无遮挡。","start_frame":66,"end_frame":126,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[89.6,123.1,155.2,239],"positive_points":[[105.2,152.8],[138.5,177.8],[148.4,130.6],[92.2,181.5],[122,219.4],[115.6,234.3]],"negative_points":[[77,165],[167,189],[122,105],[140,259]],"evidence":"目标是左上角带薄荷绿色边框的白色桌面显示器。边界框紧贴显示器外壳、屏幕、支柱和底座，不含背后的浅色装饰。正点分布在屏幕、边框、支柱及底座上；负点位于周围的浅色装饰和外部背景。"}},{"name":"Oven illustration","description":"A mint-green oven with an orange control strip, a large light-colored front window, and small feet, above the promotional title.","membership":"Include the entire appliance silhouette, controls, door, enclosed window, and feet; exclude the surrounding pale backdrop.","id":"obj_005","temporal":{"status":"found","start_s":3.0,"end_s":5.25,"reference_s":4.0,"evidence":"目标是促销标题上方偏左的薄荷绿色烤箱，具有橙色控制条、浅色炉门窗和小脚，不包含浅色背景。3.00秒首次完整呈现，前一帧2.75秒的控制条和炉门细节仍在显现；最后合格帧为5.00秒，烤箱虽旋转但保持完整，5.25秒已消失。选择4.00秒作为关键帧， appliance轮廓及控制面板清晰、无遮挡。","start_frame":72,"end_frame":126,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[342.2,102.8,401,243.5],"positive_points":[[370,110],[356,123],[397,178],[371,186],[364,224],[389,240]],"negative_points":[[325,174],[420,180],[372,80],[372,273]],"evidence":"目标是宣传标题上方的薄荷绿色烤箱，具有橙色控制条、浅色门窗和小脚。边界框紧贴整个电器轮廓，包含控制区、炉门、封闭窗面及底脚。六个正点分布于这些部位，四个负点位于烤箱四周的外部浅色背景，不包含周围淡色衬底。"}},{"name":"Medicine bottle illustration","description":"A mint bottle with a white cap and a white label bearing an orange medical cross, above and right of the promotional title.","membership":"Include the bottle body, cap, label, cross, and internal details; exclude the decorative background patch.","id":"obj_006","temporal":{"status":"found","start_s":2.5,"end_s":5.25,"reference_s":4.0,"evidence":"目标是促销标题右上方的薄荷色药瓶，具有白色瓶盖、白色标签和橙色医疗十字，不含背景装饰斑块。2.5秒首次完整呈现，5.0秒仍完整可见，仅发生倾斜；此前2.25秒标签及内部细节尚在显现，之后5.25秒药瓶已消失。选择4.0秒作为关键帧，瓶身及细节清晰、无遮挡。","start_frame":60,"end_frame":126,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[631,94,674,248],"positive_points":[[660,110],[651,140],[636,170],[644,194],[653,198],[659,231]],"negative_points":[[698,188],[614,181],[651,69],[651,283]],"evidence":"目标是宣传标题右上方带白色瓶盖、白色标签及橙色医疗十字的薄荷绿色药瓶。边界框紧贴瓶盖和瓶身的可见外缘，包含标签、十字及内部细节，不包含装饰背景色块。六个正点分布在瓶盖、瓶身、标签和十字上；四个负点位于瓶外左右背景色块及上下空白处。"}},{"name":"Film countdown illustration","description":"A rounded mint rectangular countdown screen with white circular guides and an orange “3,” at the upper right.","membership":"Include the complete rounded screen boundary and everything enclosed within it; exclude the pale shape behind it.","id":"obj_007","temporal":{"status":"found","start_s":3.25,"end_s":5.25,"reference_s":4.0,"evidence":"目标是右上角带白色圆形引导线和橙色“3”的薄荷色圆角倒计时屏，不包括背后的浅色形状。3.25秒首次完整呈现；此前3.00秒仍在绘制内部倒计时图案。最后合格帧为5.00秒，屏幕虽有旋转但仍完整，5.25秒已消失。选择4.00秒作为关键帧，目标清晰、无遮挡且边界易于辨认。","start_frame":78,"end_frame":126,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[844.3,112,918.2,217.6],"positive_points":[[851,130],[907,131],[882,165],[855,194],[906,197],[884,207]],"negative_points":[[929,170],[874,240],[831,158],[880,87]],"evidence":"目标是右上角带白色圆形引导线和橙色“3”的薄荷色倒计时屏幕。边界框紧贴完整圆角屏幕，包含边框及内部所有内容，不包含背后的浅色形状。六个正点分布在屏幕各部位，四个负点位于屏幕外侧的浅色背景或背衬上。"}},{"name":"YouTube promotional badge","description":"A narrow mint badge at the middle left containing the YouTube mark and “Watch us on Youtube.”","membership":"Include the badge surface, border, logo, and text as one complete promotional graphic; exclude its surrounding decorative backdrop.","id":"obj_008","temporal":{"status":"found","start_s":3.25,"end_s":5.25,"reference_s":4.0,"evidence":"目标是画面中部左侧的薄荷绿色窄徽章，包含 YouTube 标志和“Watch us on Youtube”文字，不含外围装饰背景。3.25 秒首次完整显示徽章、边框、标志及全部文字；前一帧 3.00 秒文字末尾仍在揭示。最后合格帧为 5.00 秒，徽章虽倾斜但仍完整；5.25 秒已消失。选择 4.00 秒作为关键帧，此时目标清晰、无遮挡且易于区分。","start_frame":78,"end_frame":126,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[69.3,488.9,178.1,528.7],"positive_points":[[76,501],[81,516],[100,510],[123,498.5],[148,516],[169,509]],"negative_points":[[60,510],[125,465],[127,549],[193,509]],"evidence":"目标是图像中部左侧带有 YouTube 标志和“Watch us on Youtube”文字的薄荷色横向徽章。边界框紧贴徽章表面及边框，包含标志和文字，不包含外围淡色装饰背景。六个正点分布于标志、文字及徽章表面，四个负点位于徽章外的左、上、下、右侧背景。"}},{"name":"Hooded sweatshirt illustration","description":"A mint-and-white hooded sweatshirt with drawstrings and front pockets, to the right of the promotional title.","membership":"Include the complete garment silhouette, hood, sleeves, cuffs, pockets, and drawn details; exclude surrounding blank space and background decoration.","id":"obj_009","temporal":{"status":"found","start_s":2.75,"end_s":5.5,"reference_s":4.0,"evidence":"目标是“PROMOTIONAL STORIES”标题右侧的薄荷绿与白色连帽卫衣，包含帽子、抽绳、袖口和前袋。2.75秒首次完整呈现，此前2.5秒的衣身与口袋线条仍在显现；5.25秒虽已缩小并旋转，完整衣物仍可见，5.5秒已消失。选择4.0秒作为关键帧，衣物较大、细节清楚且无遮挡。","start_frame":66,"end_frame":132,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[843.8,429.6,921.9,566.7],"positive_points":[[882.8,450],[854.2,507.4],[882.8,505.6],[875,542.6],[908.9,515.7],[914.1,544.4]],"negative_points":[[831.3,455.6],[936.5,515.7],[887.5,588],[921.9,435.2]],"evidence":"目标是宣传标题右侧的薄荷绿与白色连帽衫。边界框紧贴完整衣物轮廓，涵盖帽兜、双袖、袖口、衣身和口袋；正点分布在这些衣物部位，负点位于衣物外侧的空白及浅色背景装饰上。"}},{"name":"Skirt illustration","description":"A mint pencil skirt with an orange belt and a front slit, at the lower left of the promotional layout.","membership":"Include the garment, belt, buckle, and internal seam details; exclude the pale backdrop and ground shadow.","id":"obj_010","temporal":{"status":"found","start_s":3.5,"end_s":5.25,"reference_s":4.0,"evidence":"目标是促销布局左下方的薄荷色铅笔裙，具有橙色腰带、带扣和前开衩，不含浅色背景及地面阴影。3.5秒首次完整呈现腰带和裙身缝线；此前3.25秒这些细节仍在绘制。最后符合条件的帧为5.0秒，裙子虽旋转缩放但仍完整；5.25秒已退出，仅余微小色块。选择4.0秒作为关键帧，裙子轮廓及内部细节清楚且无遮挡。","start_frame":84,"end_frame":126,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[102.6,775.9,145.8,905.6],"positive_points":[[112,782.4],[122.4,791.7],[136.5,791.7],[114.1,823.1],[136.5,853.7],[120.8,892.6]],"negative_points":[[90.1,835.2],[124,931.5],[165.1,749.1],[370.8,832.4]],"evidence":"目标是画面左下方带橙色腰带、带扣和前开衩的薄荷绿色铅笔裙。边界框紧贴裙装可见轮廓，包含腰带、带扣及内部接缝，不含浅色背景和地面阴影。六个正点分布在腰头、腰带、带扣及裙身上下部；负点位于裙外浅色背景、下方背景及右侧独立的社交媒体横条上。"}},{"name":"Facebook promotional badge","description":"A narrow orange badge below the promotional title, containing a mint Facebook “f” and “Follow us on Facebook.”","membership":"Include the complete badge surface, outline, logo, and text; exclude the separate pale background patch.","id":"obj_011","temporal":{"status":"found","start_s":3.25,"end_s":5.5,"reference_s":4.0,"evidence":"目标是标题下方的橙色窄徽章，含薄轮廓、薄荷色 Facebook“f”和“Follow us on Facebook”文字，不包括后方浅色衬底。3.25 秒首次完整呈现；此前 3.0 秒文字仍在揭示。最后合格帧为 5.25 秒，徽章虽缩小并旋转，但仍完整；5.5 秒已消失。选择 4.0 秒作为关键帧，徽章清晰、无遮挡，便于标注。","start_frame":78,"end_frame":132,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[318.8,812,428,853],"positive_points":[[329,833],[342,822],[360,835],[383,825],[409,834],[421,843]],"negative_points":[[303,834],[373,787],[442,834],[374,876]],"evidence":"目标位于标题下方偏左，是带薄荷色 Facebook“f”和“Follow us on Facebook”文字的橙色窄徽章。边界框紧贴完整徽章的表面和轮廓；六个正点分布在标志、文字及橙色表面上，四个负点位于徽章外围的浅色背景区域，不包含独立的淡色背景斑块。"}},{"name":"Film canister and strip illustration","description":"An upright orange film canister with a mint-and-white perforated filmstrip extending left, along the lower row.","membership":"Include the canister and attached filmstrip as one connected graphic, including the strip's enclosed perforations; exclude the decorative backdrop.","id":"obj_012","temporal":{"status":"found","start_s":3.75,"end_s":5.5,"reference_s":4.25,"evidence":"目标是下排偏右的橙色直立胶卷筒及向左延伸的薄荷绿、白色带孔胶片，不含浅色背景装饰。3.75秒首次完整呈现，之前3.50秒胶片及齿孔仍在逐步展开；最后合格帧为5.25秒，整体虽缩小旋转但仍完整，5.50秒已消失。选择4.25秒作为关键帧，图形清楚、无遮挡，筒体与相连胶片均易于辨认。","start_frame":90,"end_frame":132,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[612.5,775.9,693.2,878.7],"positive_points":[[676.0,785.2],[679.7,822.2],[676.6,869.4],[637.5,833.3],[632.3,812.0],[616.7,855.6]],"negative_points":[[599.0,824.1],[645.8,902.8],[706.3,831.5],[637.5,764.8]],"evidence":"目标位于下排偏右，是橙色直立胶卷筒与向左延伸的薄荷绿、白色齿孔胶片。边界框紧贴筒身和完整胶片，不含淡色装饰背景。六个正点分布在筒顶、筒身、底部及胶片和封闭齿孔内；四个负点位于图形外围背景。"}},{"name":"HD television illustration","description":"A small mint-framed television on splayed feet, with an orange “HD” badge overlapping its upper-right screen area, at the lower right.","membership":"Include the television frame, enclosed screen, stand, and attached HD badge; exclude the pale background patch.","id":"obj_013","temporal":{"status":"found","start_s":3.5,"end_s":5.5,"reference_s":4.0,"evidence":"目标是画面右下角的薄荷绿色电视，带分叉支脚及屏幕右上方橙色“HD”徽标，不包括浅色背景块。3.5秒首次完整呈现，3.25秒徽标细节仍在揭示；5.25秒电视虽缩小、旋转，但结构仍完整，5.5秒已消失。选择4.0秒作为关键帧，电视及HD徽标清晰、无遮挡。","start_frame":84,"end_frame":132,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[847.9,790.7,917.2,881.5],"positive_points":[[850.5,822.2],[869.3,820.4],[898.4,809.3],[914.1,838.9],[869.3,874.1],[894.8,873.1]],"negative_points":[[835.4,814.8],[928.6,829.6],[883.3,907.4],[883.9,769.4]],"evidence":"目标位于右下角，是带橙色“HD”标牌的薄荷色电视。边界框紧贴电视外框、屏幕、标牌和外撇支脚，不包含淡色背景斑块。六个正点分布在边框、屏幕、标牌及两侧支脚上；四个负点位于电视四周的外部背景。"}},{"name":"Animated explainers title","description":"The central white uppercase text “ANIMATED EXPLAINERS,” replacing the promotional title while character and symbol illustrations surround it.","membership":"Include the complete title lettering and letter shadows; exclude the orange backing banner and nearby illustrations.","id":"obj_014","temporal":{"status":"found","start_s":5.25,"end_s":9.25,"reference_s":7.0,"evidence":"目标是中央白色大写“ANIMATED EXPLAINERS”完整字样及字母阴影，不包含橙色横幅。首个合格帧为5.25秒，末个为9.00秒；前一帧5.00秒仍显示“PROMOTIONAL STORIES”，后一帧9.25秒目标文字已消失，仅剩橙色横幅。选择7.00秒作为关键帧，此时文字完整清晰、无遮挡，易与周围插图区分。","start_frame":126,"end_frame":222,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[317,531,684,570],"positive_points":[[326,537],[361,536],[437,550],[495,549],[577,537],[675,537]],"negative_points":[[500,514],[500,587],[303,552],[699,552]],"evidence":"目标是中央橙色横幅上的白色大写标题“ANIMATED EXPLAINERS”。边界框紧贴完整字母及其阴影，不包含橙色底板。六个正点分布在两个单词的实际字母笔画上；四个负点位于标题外围的橙色底板上，避开字间空隙。"}},{"name":"Location pin illustration","description":"An orange teardrop-shaped map pin with a white circular center containing a mint “A,” at the upper left of the explainer layout.","membership":"Include the pin's complete outer shape and enclosed center and letter; exclude its pale decorative backdrop.","id":"obj_015","temporal":{"status":"found","start_s":5.5,"end_s":9.25,"reference_s":7.0,"evidence":"目标是讲解布局左上方的橙色水滴形地图针，白色圆心内有薄荷绿色“A”，不含浅色装饰背景。5.50秒首次完整呈现外轮廓、圆心和字母；此前5.25秒仅有橙色外形，中心尚未显现。9.00秒虽缩小并旋转，但完整结构仍可见；9.25秒已退化为橙色小点，圆心和字母消失，因此最后合格帧为9.00秒。选择7.00秒作为关键帧，目标清晰完整且无遮挡。","start_frame":132,"end_frame":222,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[88.5,97.2,141.1,227.8],"positive_points":[[113.5,135.2],[99.5,130.6],[130.2,134.3],[127.6,175.9],[114.1,212.0],[103.1,178.7]],"negative_points":[[76.0,156.5],[152.1,167.6],[114.1,74.1],[113.5,253.7]],"evidence":"目标是左上角带薄荷色“A”的橙色水滴形地图定位针。边界框紧贴完整外形，包含白色圆心和字母，不含浅色装饰背景。六个正点分布在圆心及橙色外缘、下部尖端，四个负点位于针外的浅色背景和空白处。"}},{"name":"Doctor illustration","description":"A bust with mint hair, an orange face, a white coat, and a stethoscope, above and left of the explainer title.","membership":"Include the entire visible character bust, hair, head, coat, and stethoscope; exclude the pale shape behind the character.","id":"obj_016","temporal":{"status":"found","start_s":6.5,"end_s":9.25,"reference_s":7.5,"evidence":"目标是解释动画标题左上方的医生半身像，具有薄荷色头发、橙色脸、白大褂和听诊器，不含背后浅色底形。6.50秒首次完整呈现，6.25秒衣服与听诊器线条仍在补全；9.00秒虽旋转缩小但人物仍完整，9.25秒已收缩消失，仅剩过渡色点。选择7.50秒作为关键帧，人物结构清楚且无遮挡。","start_frame":156,"end_frame":222,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[335.4,90.7,375,231.5],"positive_points":[[354.2,102.8],[355.2,133.3],[355.2,155.6],[358.3,183.3],[342.2,215.7],[368.2,217.6]],"negative_points":[[320.3,175.9],[392.7,180.6],[355.2,259.3],[354.7,68.5]],"evidence":"目标是标题左上方的医生半身像，具有薄荷色头发、橙色面部、白大褂和听诊器。边界框紧贴完整人物；六个正点分布在头发、脸、颈部、听诊器及两侧白大褂上，负点位于人物两侧的浅色背景形状及上下方外部背景，排除人物背后的浅色形状。"}},{"name":"Headscarf character illustration","description":"A mint-clad bust wearing a long head covering and a cap-like band, with a light blank face, above and right of the explainer title.","membership":"Include the complete visible bust, head covering, face area, and clothing; exclude the decorative backdrop.","id":"obj_017","temporal":{"status":"found","start_s":6.0,"end_s":9.25,"reference_s":7.5,"evidence":"目标位于“ANIMATED EXPLAINERS”标题右上方，是戴薄荷色长头巾和帽带、浅色空白脸的半身人物，不含背后装饰。6.0秒首次呈现完整头巾与胸像；此前5.75秒仍在逐步显现。9.0秒人物虽旋转缩小但仍完整，9.25秒已被消除至残余色块。选择7.5秒作为关键帧，人物轮廓清晰、无遮挡。","start_frame":144,"end_frame":222,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[611.5,91.7,650,238.9],"positive_points":[[630.2,109.3],[631.8,133.3],[618.8,161.1],[640.6,164.8],[621.9,219.4],[642.2,220.4]],"negative_points":[[595.8,159.3],[669.3,176.9],[630.2,263.9],[630.2,64.8]],"evidence":"目标是标题右上方戴长头巾和帽带、面部浅色的薄荷绿半身人物。边界框紧贴完整帽顶、头巾、面部及衣服，不包含淡色装饰背景。正点分布于帽带、面部、两侧头巾及下部衣服；负点位于人物左右的装饰背景和上下外部空白处。"}},{"name":"Hand presenting an award illustration","description":"A mint-sleeved arm with an upward-facing orange hand and a small star rosette above it, at the upper right of the explainer layout.","membership":"Include the arm, hand, and presented rosette as one compact award-presentation graphic; exclude the spaces between these elements and the pale backdrop.","id":"obj_018","temporal":{"status":"found","start_s":6.5,"end_s":9.25,"reference_s":7.5,"evidence":"目标位于讲解布局右上方，由薄荷绿色袖臂、橙色向上手掌和悬浮星形奖章组成。6.50秒奖章及飘带已完整呈现，6.25秒奖章细节仍在形成；9.00秒整组图形虽有旋转缩放但仍完整，9.25秒已消失。选择7.50秒作为关键帧，图形清晰完整且无遮挡。","start_frame":156,"end_frame":222,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[834.9,116.7,912,206.5],"positive_points":[[842.2,186.1],[868.2,184.3],[881.8,179.6],[902.6,180.6],[896.9,134.3],[903.1,154.6]],"negative_points":[[828.1,162],[924,188],[875,111.1],[895.8,228.7]],"evidence":"目标位于右上角，由薄荷绿色衣袖、向上托起的橙色手掌和上方星形奖章组成。边界框紧贴这三部分的整体可见范围；六个正点分布在衣袖、手掌、奖章及其缎带上，四个负点位于图形外围背景，避开组件间的空隙。"}},{"name":"Top-hatted character illustration","description":"An orange-faced bust wearing a tall mint top hat, mint jacket, and white neckwear, to the left of the explainer title.","membership":"Include the entire visible character, hat, face, jacket, and neckwear; exclude the pale background patch.","id":"obj_019","temporal":{"status":"found","start_s":5.5,"end_s":9.25,"reference_s":7.0,"evidence":"目标是 explainer 标题左侧戴薄荷绿高帽、穿同色外套和白色领饰的橙色脸半身人物，不包括浅色背景斑块。5.50秒人物虽小，但帽子、脸、外套和领饰已完整可见；此前5.25秒仅有初始显现的小色块。最后合格帧为9.00秒，人物倾斜缩放但仍完整；9.25秒已消失。选择7.00秒作关键帧，人物轮廓清晰、无遮挡。","start_frame":132,"end_frame":222,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[100.5,419.4,136.5,577.8],"positive_points":[[116.7,427.8],[117.2,446.3],[117.7,484.3],[117.2,523.1],[106.8,541.7],[128.1,562.0]],"negative_points":[[85.4,501.9],[148.4,525.9],[117.7,388.0],[91.1,601.9]],"evidence":"目标是标题左侧戴薄荷绿高礼帽、橙色脸的半身人物。边界框紧贴帽顶、帽檐及外套底部，涵盖脸和白色领饰，不含浅色背景斑块。六个正点分布在帽子、脸、领饰及外套两侧；四个负点位于人物外侧的背景区域。"}},{"name":"Bearded capped character illustration","description":"A bust wearing a mint cap and mint shirt, with an orange beard surrounding a light face area, to the right of the explainer title.","membership":"Include the complete visible bust, cap, head, beard, and shirt; exclude the decorative backdrop.","id":"obj_020","temporal":{"status":"found","start_s":6.0,"end_s":9.5,"reference_s":7.25,"evidence":"目标是“ANIMATED EXPLAINERS”标题右侧戴薄荷绿帽、穿同色上衣、橙色胡须围绕浅色脸部的半身人物，不含背后装饰。6.00秒首次完整呈现帽子、头部、胡须和上衣；此前5.75秒仍在逐步显现。9.25秒人物虽已缩小并旋转，仍完整可见，是最后合格帧；9.50秒已消失并切换为其他图标。选择7.25秒作为关键帧，人物清晰、无遮挡且易于区分。","start_frame":144,"end_frame":228,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[850.5,425.9,892.2,579.6],"positive_points":[[870.3,438.9],[870.8,463.9],[872.9,490.7],[856.8,534.3],[884.4,528.7],[871.4,565.7]],"negative_points":[[835.4,507.4],[908.9,511.1],[869.8,399.1],[870.8,612.0]],"evidence":"目标是标题右侧戴薄荷色帽子、穿同色上衣且有橙色胡须的人物。边界框紧贴��整可见半身像，涵盖帽子、头脸、胡须和上衣，不包含淡色装饰背景。正点分布在帽子、脸、胡须及上衣各处；负点位于人物两侧的装饰背景和上下方外部空白处。"}},{"name":"Glasses-wearing woman illustration","description":"A bust with mint hair, large round white glasses, an orange jacket, and white lapels, at the lower left.","membership":"Include the full visible character silhouette, hair, glasses, face, and clothing; exclude the pale background shape.","id":"obj_021","temporal":{"status":"found","start_s":6.5,"end_s":9.25,"reference_s":7.5,"evidence":"目标是左下角薄荷色头发、白色圆框眼镜、橙色外套和白色翻领的女性半身插画，不含浅色背景。6.50秒起人物结构完整；6.25秒头发及人物细节仍在显现。最后符合条件的帧为9.00秒，人物虽旋转但仍完整，9.25秒已消失。选择7.50秒作为关键帧，人物轮廓清晰且无遮挡。","start_frame":156,"end_frame":222,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[91.7,757.4,133.3,909.3],"positive_points":[[111.5,774.1],[102.6,801.9],[115.6,817.6],[96.4,829.6],[109.4,868.5],[127.1,890.7]],"negative_points":[[75.5,834.3],[145.8,858.3],[114.1,731.5],[114.6,930.6]],"evidence":"目标是左下角薄荷色头发、戴白色圆框眼镜、穿橙色外套的女性半身像。边界框紧贴头发至衣服底部的完整轮廓；正点分布于头发、眼镜、脸部、白色翻领和橙色外套，负点位于人物四周的浅色背景，排除背景装饰形状。"}},{"name":"Directional signpost illustration","description":"Two orange arrow-shaped signs pointing in opposite directions on a mint upright post and base, below and left of the explainer title.","membership":"Include both signs, their post, base, and drawn details, following the connected silhouette; exclude the decorative backdrop and ground shadow.","id":"obj_022","temporal":{"status":"found","start_s":6.5,"end_s":9.5,"reference_s":8.0,"evidence":"目标是解说标题左下方的双向橙色箭头路牌，包含薄荷色立柱和底座。6.50秒首次完整呈现两块箭牌及连接结构；此前6.25秒箭牌和线条细节仍在生成。最后合格帧为9.25秒，路牌虽缩小并旋转但仍完整，9.50秒已消失并换成其他图标。选择8.00秒作为关键帧，轮廓清晰、无遮挡，易于排除背景装饰和地面阴影。","start_frame":156,"end_frame":228,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[335.4,761.1,386,914.8],"positive_points":[[345,779],[374,787],[344,824],[365,827],[356,870],[367,909]],"negative_points":[[315,838],[401,811],[392,902],[478,550]],"evidence":"目标位于标题左下方，是两块方向相反的橙色箭头路牌及薄荷绿立柱。边界框紧贴两块路牌、立柱和底座的可见轮廓，不含装饰背景与地面阴影。六个正点分布在两块路牌、立柱和底座上；负点位于周围外部背景及上方独立标题区域。"}},{"name":"Older man with patterned vest illustration","description":"A bald, orange-faced bust with round glasses, a white mustache, mint sleeves, and an orange diamond-patterned vest, below and right of the explainer title.","membership":"Include the complete visible bust, glasses, facial details, shirt, and patterned vest; exclude the pale backdrop.","id":"obj_023","temporal":{"status":"found","start_s":6.75,"end_s":9.5,"reference_s":8.0,"evidence":"目标位于解说标题右下方，是戴圆眼镜、留白胡须、穿薄荷色袖子和橙色菱格背心的秃头老人。6.75秒首次完整呈现；前一帧6.5秒背心菱格仍在逐步绘制。最后合格帧为9.25秒，人物虽缩小、旋转但仍完整；9.5秒已消失并被下一组图标替换。选择8.0秒作为关键帧，人物结构清晰、无遮挡，便于排除浅色背景进行标注。","start_frame":162,"end_frame":228,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[614.6,762.0,657.0,909.3],"positive_points":[[635.4,776.9],[628.9,792.6],[634.9,809.3],[619.3,870.4],[634.4,866.7],[653.1,888.9]],"negative_points":[[600.0,838.9],[673.4,866.7],[635.4,735.2],[357.3,824.1]],"evidence":"目标位于标题右下方，是戴圆眼镜、有白胡须、穿橙色菱格背心的秃顶老人。边框紧贴完整可见半身像，包含头部、面部细节、衬衫、背心和薄荷绿色衣袖，不含浅色衬底。六个正点分布在头部、眼镜、胡须、背心及两侧衣袖；负点位于周围背景和左侧独立路牌上。"}},{"name":"Orange-uniformed character illustration","description":"A bust with an orange peaked cap and orange buttoned uniform, a light face, and mint collar details, at the lower right.","membership":"Include the entire visible character, cap, head, collar, and uniform; exclude the surrounding pale background patch.","id":"obj_024","temporal":{"status":"found","start_s":6.0,"end_s":9.5,"reference_s":8.0,"evidence":"目标是画面右下方戴橙色大檐帽、穿橙色纽扣制服并带浅色脸部和薄荷色领口的半身人物，不��背景浅色块。6.0秒首次完整呈现帽子、头部、领口及制服；此前5.75秒仍在逐步显现。最后合格帧为9.25秒，人物虽缩小并旋转，但整体仍完整；9.5秒已消失。选择8.0秒作为关键帧，人物清晰、无遮挡，轮廓便于标注。","start_frame":144,"end_frame":228,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[857.8,757.4,897.4,912.0],"positive_points":[[876.0,769.4],[876.0,805.6],[879.2,841.7],[864.6,863.0],[890.6,869.4],[877.1,902.8]],"negative_points":[[835.9,849.1],[916.7,855.6],[876.0,727.8],[877.6,943.5]],"evidence":"目标位于右下角，可由橙色帽子、浅色面部、薄荷色领口和橙色纽扣制服识别。边框紧贴完整可见人物，涵盖帽、头部、领口及制服；六个正点分布于这些部位，四个负点位于人物外围背景，排除周围浅色背景斑块。"}},{"name":"Educational or corporate presentations title","description":"The two-line white uppercase title “EDUCATIONAL OR CORPORATE PRESENTATIONS” in the final use-case banner.","membership":"Include all lettering across both lines and its letter shadows; exclude the orange backing and surrounding illustrations.","id":"obj_025","temporal":{"status":"found","start_s":9.5,"end_s":10.0,"reference_s":9.75,"evidence":"目标是橙色横幅内两行白色大写文字“EDUCATIONAL OR CORPORATE PRESENTATIONS”及其字影。9.50秒两行文字已完整出现，虽仍在移动且行距较近，也符合纳入条件；最后合格帧为9.75秒。此前9.25秒横幅内尚无完整标题，此后10.00秒已切换到转场画面，目标消失。选择9.75秒作为关键帧，因为两行文字清楚分离、无遮挡。","start_frame":228,"end_frame":240,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[262.5,501,737,605],"positive_points":[[267,517],[507,507],[729,506],[376,588],[499,572],[622,598]],"negative_points":[[255,591],[744,585],[500,655],[492,445]],"evidence":"目标是橙色横幅内的两行白色大写标题。边界框覆盖全部字母及其阴影，不包括橙色底板。六个正点分布于两行文字的实际笔画上；负点位于侧面的橙色底板、下方白色背景及上方绿色标题处。"}},{"name":"Orange ring graphic","description":"A thick orange circular ring with a white center, at the upper left of the educational and corporate presentation layout.","membership":"Include the ring's outer boundary and enclosed center as a complete closed graphic; exclude the pale decorative backdrop.","id":"obj_026","temporal":{"status":"found","start_s":9.5,"end_s":10.0,"reference_s":9.75,"evidence":"目标是教育及企业演示布局左上方的橙色厚圆环，具有闭合外缘和白色中心，不含浅色装饰背景。9.50秒首次呈现完整圆环，9.75秒为最后一个合格帧；此前9.25秒仅有橙色小点，尚未形成圆环，之后10.00秒已切入转场，目标不再可见。选择9.75秒作为关键帧，因为圆环更大、边界清楚且无遮挡。","start_frame":228,"end_frame":240,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[92.2,129.6,137,211.1],"positive_points":[[113.5,138.9],[113.5,200],[97.4,171.3],[131.8,169.4],[104.2,145.4],[114.6,171.3]],"negative_points":[[78.1,169.4],[151,166.7],[114.6,101.9],[364.6,166.7]],"evidence":"目标是画面左上角的粗橙色圆环。边界框紧贴圆环外缘，包含按要求纳入的白色中心，不含浅色装饰背景。正点分布在环体各侧及中心；负点位于环外背景和右侧独立的橙色齿状图形上。"}},{"name":"Orange starburst badge","description":"An orange many-pointed circular badge with a light diagonal stroke in its center, above and left of the educational title.","membership":"Include the full starburst silhouette and enclosed marks; exclude the surrounding pale patch.","id":"obj_027","temporal":{"status":"found","start_s":9.5,"end_s":10.0,"reference_s":9.75,"evidence":"目标是教育主题标题左上方的橙色多尖角圆形徽章，中央有浅色斜线，不包含外围浅色底斑。9.50秒首次显示完整轮廓及中央标记，9.75秒为最后合格帧；此前9.25秒仅有初始小色点，10.00秒已被转场遮去。选择9.75秒作为关键帧，因为徽章更大、轮廓清楚且无遮挡。","start_frame":228,"end_frame":240,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[338.5,123.1,392.7,214.8],"positive_points":[[363.5,137.0],[348.4,158.3],[353.6,192.6],[369.8,199.1],[383.3,174.1],[365.6,169.4]],"negative_points":[[330.2,150.9],[399.5,195.4],[365.1,242.6],[357.3,97.2]],"evidence":"目标位于标题左上方，是中央带浅色斜线的橙色多角星芒徽章。框紧贴完整星芒轮廓，包含内部标记但不含周围浅色衬块；六个正点分布在徽章各部及中央标记，四个负点位于外围浅色衬块或白色背景。"}},{"name":"Calculator illustration","description":"A small mint calculator-like device with a light display and light keys, above and right of the educational title.","membership":"Include the device housing, enclosed display, and visible keys; exclude its decorative backdrop.","id":"obj_028","temporal":{"status":"found","start_s":9.75,"end_s":10.0,"reference_s":9.75,"evidence":"目标是教育主题标题右上方的薄荷色计算器，包含浅色显示屏和按键，不含背后装饰。9.75秒是首个也是最后一个结构完整的采样帧；9.50秒设备仍在逐步显现，按键尚未完整出现，10.00秒已被转场替换。选择9.75秒作为关键帧，设备轮廓、显示屏和按键清楚且无遮挡。","start_frame":234,"end_frame":240,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[621.4,134.3,653.6,200.0],"positive_points":[[624.5,145.4],[637.5,148.5],[628.6,168.5],[638.5,169.4],[647.4,184.3],[629.2,192.6]],"negative_points":[[614.6,168.5],[663.5,163.0],[638.0,217.6],[638.5,116.7]],"evidence":"目标是标题右上方带浅色显示屏和按键的薄荷绿计算器。边界框紧贴设备外壳，包含显示屏及按键，不含外围淡色装饰背景。正点分布在外壳、显示屏与按键上，负点位于设备四周的装饰背景或外部空白处。"}},{"name":"Magnifying glass illustration","description":"A mint magnifying glass with an orange inset near the end of its handle, at the upper right of the educational layout.","membership":"Include the circular rim, the area enclosed by the lens, and the attached handle; exclude the surrounding background.","id":"obj_029","temporal":{"status":"found","start_s":9.5,"end_s":10.0,"reference_s":9.75,"evidence":"目标是教育主题布局右上角的薄荷色放大镜，含圆形镜框、镜片区域及带橙色嵌条的手柄。9.50秒虽尺寸较小且倾斜，自身结构已完整；最后合格帧为9.75秒。前一帧9.25秒尚未出现该放大镜，后一帧10.00秒已被转场遮罩移除。选择9.75秒作为关键帧，因为目标较大、轮廓清楚且无遮挡。","start_frame":228,"end_frame":240,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[885.4,137,911.5,238],"positive_points":[[898,143],[888.7,158],[898,160],[901.8,194.5],[905.3,220],[906,232]],"negative_points":[[872,158],[925,167],[884,226],[906,266]],"evidence":"目标是图像右上角的薄荷绿色放大镜，手柄末端有橙色嵌块。边界框紧贴圆形镜框及完整手柄；正点分布于镜框、镜片内部、手柄和橙色嵌块，负点位于放大镜四周明确分离的白色背景上。"}},{"name":"Document illustration","description":"A light sheet of paper with a mint folded upper corner, to the left of the educational title.","membership":"Include the complete visible paper surface, folded corner, and sheet boundary; exclude the pale background decoration.","id":"obj_030","temporal":{"status":"found","start_s":9.75,"end_s":10.0,"reference_s":9.75,"evidence":"目标是教育／企业演示标题左侧的浅色纸张，右上角有薄荷绿色折角，不包括背后的浅色装饰。9.75秒纸面、折角和边界已完整呈现，是首个及最后一个合格采样帧；9.50秒仍处于初始显现，折角和纸张边界尚未完整建立，10.00秒已切入转场，纸张不再可见。选择9.75秒作为关键帧，因为纸张完整且无遮挡。","start_frame":234,"end_frame":240,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[89.6,454.6,140.1,565.7],"positive_points":[[125,467],[97.9,481.5],[119.8,489.8],[103.1,514.8],[130.7,532.4],[111.5,553.7]],"negative_points":[[78.1,513.9],[151.6,511.1],[112,426.9],[118.2,592.6]],"evidence":"目标是教育标题左侧、右上角带薄荷绿色折角的浅色纸张。边界框紧贴可见纸面、折角及纸张边缘；正点分布在折角和纸面各处，负点位于纸张外围背景及浅色装饰区域，不包含纸面。"}},{"name":"Laboratory flask illustration","description":"A light-colored flask with a narrow neck and flared triangular body, to the right of the educational title.","membership":"Include the flask's visible outer silhouette and enclosed body area; exclude the surrounding decorative patch.","id":"obj_031","temporal":{"status":"found","start_s":9.5,"end_s":10.0,"reference_s":9.75,"evidence":"目标是教育演示标题右侧的浅色实验烧瓶，具有细颈和外扩三角形瓶身，不包括背景装饰块。9.50秒已可见完整的小尺寸、倾斜轮廓，9.75秒仍完整可见；此前9.25秒尚未出现，之后10.00秒已被转场替换。选择9.75秒作为关键帧，因为烧瓶较大、轮廓更清晰且无遮挡。","start_frame":228,"end_frame":240,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[870,480,914,553],"positive_points":[[888,494],[889,509],[885,531],[898,531],[880,543],[896,541]],"negative_points":[[859,514],[926,537],[887,456],[906,579]],"evidence":"目标位于教育主题标题右侧，是具有细长瓶颈和外扩三角形瓶身的浅色烧瓶。边界框紧贴可见烧瓶轮廓，包含其内部，不包含周围装饰底斑。六个正点分布在瓶颈和瓶身内，四个负点位于烧瓶外侧背景。"}},{"name":"Laptop illustration","description":"A mint rectangular laptop graphic with a small light mark on its lid and a thin base beneath, below and left of the educational title.","membership":"Include the lid and attached base, including their surfaces and outlines; exclude the surrounding pale patch.","id":"obj_033","temporal":{"status":"found","start_s":9.75,"end_s":10.0,"reference_s":9.75,"evidence":"目标位于教育/企业演示标题的左下方，是带浅色小标记、薄底座及轮廓的薄荷绿色笔记本电脑，不含背后的浅色斑块。9.75秒是首个也是最后一个完整呈现的采样帧；9.50秒仍在显现，底座与轮廓尚未完整建立，10.00秒已切换并被转场覆盖。选择9.75秒作为关键帧，机盖和底座清晰可辨且无遮挡。","start_frame":234,"end_frame":240,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[339.1,810.2,392.7,878.7],"positive_points":[[347.4,824.1],[382.8,822.2],[365.1,843.5],[348.4,862.0],[382.3,863.0],[365.6,875.0]],"negative_points":[[326.0,847.2],[403.1,850.0],[364.6,791.7],[365.1,900.0]],"evidence":"目标是标题左下方的薄荷色笔记本电脑，盖面有浅色小标记，下接细底座。边界框紧贴盖面及底座，不含周围浅色斑块；六个正点分布于盖面和底座，四个负点位于其上下左右的外部背景。"}},{"name":"Floppy disk illustration","description":"A tilted mint floppy disk with a light central label and an orange upper detail, below and right of the educational title.","membership":"Include the complete disk silhouette and all inset label and hardware details; exclude the decorative backdrop.","id":"obj_034","temporal":{"status":"found","start_s":9.75,"end_s":10.0,"reference_s":9.75,"evidence":"目标是教育演示标题右下方倾斜的薄荷绿色软盘，带浅色中央标签和橙色上部细节，不含背后的装饰色块。首个及最后一个合格帧均为9.75秒，软盘轮廓和内部细节已完整呈现；前一帧9.50秒仍是尚未完成显现的小块结构，后一帧10.00秒已被场景过渡遮去。选择9.75秒作为关键帧，因为目标完整清晰且无遮挡。","start_frame":234,"end_frame":240,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[611,796,660,878],"positive_points":[[628.1,810.2],[619.8,821.3],[618.8,835.2],[633.9,836.1],[650,837],[641.1,863.9]],"negative_points":[[604.7,813],[667.7,850.9],[628.1,903.7],[638,166.7]],"evidence":"目标是标题右下方倾斜的薄荷绿色软盘，中央有浅色标签，上部有橙色细节。边界框紧贴完整软盘轮廓，包含标签和硬件细节，不含浅灰装饰背衬。正点分布于盘身、标签及橙色细节；负点位于周围背衬、外部背景及上方另一枚图标。"}},{"name":"Computer mouse illustration","description":"A mint, vertically oriented rounded computer mouse at the lower right of the educational layout.","membership":"Include the complete visible mouse body and its outline; exclude the surrounding background patch.","id":"obj_035","temporal":{"status":"found","start_s":9.75,"end_s":10.0,"reference_s":9.75,"evidence":"目标是教育用途布局右下角竖直的薄荷绿色鼠标，具有圆润的完整外形及轮廓，不包括背景色块。首个及最后一个合格采样帧均为9.75秒；9.50秒仅出现尚未完成展开的小块，10.00秒已切入转场，鼠标不再可见。选择9.75秒作为关键帧，因为鼠标主体及轮廓清晰可辨。","start_frame":234,"end_frame":240,"reference_frame":234},"grounding":{"status":"found","bbox_xyxy":[878.1,819.4,906.3,891.7],"positive_points":[[889.6,829.6],[883.9,841.7],[897.9,843.5],[888.0,860.2],[900.0,868.5],[890.6,881.5]],"negative_points":[[867.2,849.1],[917.2,857.4],[891.1,795.4],[894.3,912.0]],"evidence":"目标是画面右下角薄荷绿色、竖向圆角的电脑鼠标。边界框紧贴完整鼠标主体及其轮廓，不包含周围背景色块；六个正点分布在鼠标上、中、下部，四个负点位于鼠标四周的外部背景。"}},{"name":"Three styles title","description":"The centered two-line text “3 STYLES TO CHOOSE FROM,” shown in filled mint and thin orange-outline lettering as its presentation style changes.","membership":"Include the full lettering across both lines throughout the style changes; exclude the rounded or cloud-shaped backing, shadows of those backings, and surrounding decorative marks.","id":"obj_036","temporal":{"status":"found","start_s":10.75,"end_s":11.5,"reference_s":11.0,"evidence":"目标是居中的两行“3 STYLES TO CHOOSE FROM”字母，不包含背板及装饰。首次完整呈现于10.75秒，最后符合条件的帧为11.25秒；前一帧10.50秒文字尚未揭示完整，后一帧11.50秒橙色过渡遮罩已开始遮去文字，因此截取这一次连续出现。选择11.00秒为关键帧，全文清晰且无遮挡。","start_frame":258,"end_frame":276,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[355.7,434.3,634.4,564.8],"positive_points":[[370.3,460.2],[469.8,458.3],[620.3,439.8],[359.9,538.0],[489.6,538.0],[617.2,538.0]],"negative_points":[[338.5,500.0],[494.8,580.6],[317.7,375.0],[729.2,694.4]],"evidence":"目标是画面中央两行“3 STYLES TO / CHOOSE FROM”文字。边界框紧贴完整字形，包含薄橙色描边，不含浅色衬底及其阴影。六个正点分布在两行文字的实际笔画上；负点位于衬底、左上装饰圆点和右下外部背景。"}},{"name":"Color demonstration monitor","description":"A large mint desktop monitor on the left, with an orange-and-light abstract screen image and a broad pedestal base, used in the color-adjustment demonstration.","membership":"Include the entire monitor housing, enclosed screen content, pedestal, and base throughout recoloring; exclude the large decorative shapes and floating marks behind it.","id":"obj_037","temporal":{"status":"found","start_s":15.75,"end_s":26.0,"reference_s":17.75,"evidence":"目标是调色演示左侧的大型薄荷色台式显示器，包括橙色与浅色屏幕图案、外壳、支柱和宽底座，不包括后方装饰。15.75秒首次完整呈现，之后缩放、屏幕变化及整体换色均保持同一对象；25.75秒为最后合格帧。此前15.50秒仍被转场遮罩遮住，之后26.00秒已被退出转场遮罩覆盖。选择17.75秒，显示器较大、结构清晰且无遮挡，便于标注。","start_frame":378,"end_frame":624,"reference_frame":426},"grounding":{"status":"found","bbox_xyxy":[167.7,238.9,383.9,527.8],"positive_points":[[174.5,364.8],[248.4,307.4],[267.7,419.4],[375.5,453.7],[276,497.2],[336.5,520.4]],"negative_points":[[133.3,439.8],[406.3,398.1],[371.9,215.7],[505.7,811.1]],"evidence":"目标是左侧显示橙色与浅色抽象画面的薄荷色台式显示器。边界框覆盖完整机壳、屏幕内容、支柱和宽底座；正点分布在这些部件上，负点位于后方装饰形状、上方漂浮短线及下方独立色板，均不属于显示器。"}},{"name":"Color adjustment heading","description":"The large right-hand text block “UNLIMITED COLOR ADJUSTMENT OPPORTUNITIES,” arranged over four lines during the palette demonstration.","membership":"Include all four lines of lettering and their letter shadows; exclude the separate light backing shapes, their drop shadows, and nearby graphics.","id":"obj_038","temporal":{"status":"found","start_s":15.75,"end_s":26.0,"reference_s":17.75,"evidence":"目标是画面右侧四行“UNLIMITED COLOR ADJUSTMENT OPPORTUNITIES” lettering及其字影，不包括浅色衬底。15.75秒四行文字首次完整显现；此前15.50秒仍被转场遮罩遮挡。最后合格帧为25.75秒，26.00秒文字已被转场覆盖。选择17.75秒作为关键帧，此时文字完整清晰、无遮挡，易于与衬底和邻近图形区分。","start_frame":378,"end_frame":624,"reference_frame":426},"grounding":{"status":"found","bbox_xyxy":[587.5,235.2,901,494],"positive_points":[[641.1,253.7],[849,259.3],[688.5,326.9],[630.7,400.9],[591.7,467.6],[890.6,451.9]],"negative_points":[[575.5,472.2],[921.4,497.2],[760.4,166.7],[272.4,324.1]],"evidence":"目标是右侧四行“UNLIMITED COLOR ADJUSTMENT OPPORTUNITIES”标题。边界框紧贴全部字母及其细微阴影，不含浅色衬底和衬底投影。六个正点分布在四行字母笔画上；负点位于左侧衬底边缘、右侧衬底投影、上方空白及左侧显示器图形。"}},{"name":"Color palette panel","description":"A large mint rounded panel along the bottom containing a grayscale strip and three rows of color swatches, with small circular side fasteners.","membership":"Include the panel's surface, outer boundary, fasteners, and all enclosed swatches, including portions revealed as it moves into view. Exclude the animated black selection outlines and unrelated background shapes.","id":"obj_039","temporal":{"status":"found","start_s":16.25,"end_s":26.0,"reference_s":17.5,"evidence":"目标是底部薄荷绿色圆角调色板，包含灰阶条、三排色块及两侧圆形紧固件，不含黑色选择轮廓。16.25秒首次完整呈现所有色块，面板随后持续采用底部有意裁切的布局；此前16.0秒最下排色块仍随入场被画面边缘截断。最后合格帧为25.75秒，26.0秒转场遮罩开始覆盖目标。选择17.5秒作为关键帧，面板与各排色块清楚，背景干扰较少。","start_frame":390,"end_frame":624,"reference_frame":420},"grounding":{"status":"found","bbox_xyxy":[277,679,724,1000],"positive_points":[[307,694],[691,746],[375,813],[620,877],[509,944],[709,747]],"negative_points":[[495,637],[753,850],[240,860],[276,360]],"evidence":"目标是底部部分露出的薄荷色圆角调色板，内含灰阶条、三行色块及两侧圆形固定件。边界框覆盖面板全部可见部分，下缘截止于图像底部，不包含额外的黑色选择线。正点分布于面板表面、灰阶条、各行色块和右侧固定件；负点位于面板外的背景及左上显示器。"}},{"name":"Renderforest logo tile","description":"A rounded light square containing a folded triangular mint-to-blue Renderforest symbol, centered above the closing message.","membership":"Include the complete rounded tile surface and boundary together with the enclosed logo; exclude the separate closing text and background decoration.","id":"obj_040","temporal":{"status":"found","start_s":26.5,"end_s":27.0,"reference_s":26.75,"evidence":"目标是结尾文字上方的浅色圆角方块，内含薄荷绿至蓝色的折叠三角形标志。26.50秒首次完整呈现，虽仍在缩放、旋转，但方块与标志均已建立；26.25秒仍为转场，未见该目标。最后合格帧为26.75秒，之后视频结束，无后续采样帧。选择26.75秒作为关键帧，因为图块较大、形状清晰且无遮挡；不包含下方独立文字。","start_frame":636,"end_frame":648,"reference_frame":642},"grounding":{"status":"found","bbox_xyxy":[413.5,220.4,589.1,532.4],"positive_points":[[445,280],[546,275],[432,449],[561,456],[472,411],[538,359]],"negative_points":[[380,361],[620,369],[502,611],[494,768]],"evidence":"目标是结束文案上方居中的圆角浅色方块，内部有薄荷绿至蓝色的折叠三角标志。边界框覆盖完整方块表面、可见边线及内部标志；正点分布在方块表面和标志上，负点位于左右及下方外部背景和独立结束文字上。"}},{"name":"Renderforest availability message","description":"The closing two-line message “AVAILABLE EXCLUSIVELY ON RENDERFOREST.COM,” in large mint letters beneath the logo tile.","membership":"Include the complete text across both lines and its letter shadows; exclude the light backing panels, their shadows, and the logo tile above.","id":"obj_041","temporal":{"status":"found","start_s":26.75,"end_s":27.0,"reference_s":26.75,"evidence":"目标是标志图块下方薄荷色的两行文字“AVAILABLE EXCLUSIVELY ON RENDERFOREST.COM”，包含字母阴影，不包含背板。26.50秒仅显示尚未完成的首行；26.75秒两行文字首次完整呈现，也是最后一个采样帧，因此区间延续至视频结尾27.0秒，之后无采样帧。选择26.75秒为关键帧，文字完整清晰且无遮挡。","start_frame":642,"end_frame":648,"reference_frame":642},"grounding":{"status":"found","bbox_xyxy":[192,733,806,881],"positive_points":[[199.5,783.3],[456.3,770.4],[788.5,757.4],[301,853.7],[406.3,851.9],[685.4,850]],"negative_points":[[178.1,777.8],[755.2,856.5],[500,934.3],[494.8,425.9]],"evidence":"目标是标志下方的两行薄荷色文字“AVAILABLE EXCLUSIVELY ON”和“RENDERFOREST.COM”。边界框覆盖完整文字及字母阴影，不含浅色背板。六个正点分布在两行字母笔画上；负点位于文字外侧背板、下方背板阴影及上方标志区域。"}}]}
+{"video_id":310,"video_type":"icons and abstract motion graphics","targets":[{"name":"Toolkit opening title","description":"The opening title progressively reads “Your Complete Icons TOOLKIT,” with thin white “Your,” bold white “Complete Icons,” and dark uppercase “TOOLKIT” above a row of icons.","membership":"Include all lettering in the complete title throughout its reveal and movement. Exclude the background, surrounding rings, accent strokes, and icons below.","id":"obj_001","temporal":{"status":"found","start_s":2.75,"end_s":3.5,"reference_s":3.25,"evidence":"目标为图标行上方的完整标题“Your Complete Icons TOOLKIT”，仅包括文字。2.75秒所有字母已完整出现，虽然仍倾斜运动，但符合条件；前一帧2.50秒的“TOOLKIT”尚未揭示完整。最后符合条件的帧为3.25秒，下一帧3.50秒标题开始被圆形转场遮罩移除。选择3.25秒作为关键帧，因为标题排列清晰、完整且无遮挡。","start_frame":66,"end_frame":84,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[269.5,197.2,690,555.6],"positive_points":[[421,270],[505,282],[276,365],[675,396],[339,495],[610,507]],"negative_points":[[480,130],[224,365],[725,392],[453,763]],"evidence":"目标为图标上方的三行标题“Your Complete Icons TOOLKIT”。边界框紧贴全部文字的整体范围；六个正点分布在三行文字的实际笔画上，负点位于标题上方及左右的背景和下方山峰图标上，排除背景与图标。"}},{"name":"Wind turbine icon","description":"The leftmost opening icon has three turquoise blades, a dark circular hub, and a tapered dark tower on a horizontal base.","membership":"Include the blades, hub, tower, and base. Exclude surrounding motion arcs and the background.","id":"obj_002","temporal":{"status":"found","start_s":2.0,"end_s":3.5,"reference_s":3.25,"evidence":"目标是开场图标行最左侧的风力涡轮，具有三片青绿色叶片、深色圆形轮毂、渐窄塔身和水平底座。2.00秒首次结构完整，3.25秒为最后合格帧；前一帧1.75秒叶片尚未完整显现，后一帧3.50秒目标被转场遮罩覆盖。选择3.25秒作为关键帧，目标完整清晰且无遮挡，不包括周围运动弧线。","start_frame":48,"end_frame":84,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[92.2,631.9,187.5,809.7],"positive_points":[[140.6,663.9],[113.3,730.6],[168.8,734.7],[140.6,720.8],[140.6,781.9],[159.4,806.9]],"negative_points":[[110.2,691.7],[168.8,697.2],[81.3,791.7],[245.3,738.9]],"evidence":"目标是底部最左侧的风力涡轮图标。边界框紧贴三片青绿色叶片、深色轮毂、塔柱及水平底座；六个正点分别覆盖这些部件。负点位于外围运动弧线、左下方背景和右侧黄色便笺上，排除这些非目标内容。"}},{"name":"Pinned document icon","description":"A yellow-orange sheet with a white pin, horizontal writing marks, and a curled lower edge appears second from the left in the opening row.","membership":"Include the complete sheet, curled edge, pin, and writing marks. Exclude neighboring icons and background.","id":"obj_003","temporal":{"status":"found","start_s":1.75,"end_s":3.5,"reference_s":3.0,"evidence":"目标是开场图标行左起第二个黄橙色文档，包含白色图钉、横向文字线和卷曲下边缘。1.75秒首次完整呈现，3.25秒为最后合格帧；此前1.50秒纸张仍在组装，卷边及文字线尚未完整，之后3.50秒目标被转场遮罩遮去。选择3.00秒作为关键帧，图标完整清晰，与相邻图标分离且无遮挡。","start_frame":42,"end_frame":84,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[212.5,663.9,296.1,808.3],"positive_points":[[247.7,675],[226.6,694.4],[250,736.1],[274.2,768.1],[222.7,784.7],[269.5,797.2]],"negative_points":[[140.6,729.2],[355.5,754.2],[192.2,734.7],[255.5,851.4]],"evidence":"目标是下方图标行从左数第二个黄色文档。边界框覆盖完整纸张、顶部白色图钉、横向文字线和底部卷边；六个正点分布在这些组成部分上，四个负点位于左侧风机、右侧台灯及文档外的背景。"}},{"name":"Desk lamp icon","description":"The opening row includes a gray articulated desk lamp with a white arm, red joint, angled shade, and rounded base.","membership":"Include the shade, visible bulb, articulated supports, joints, and base as one lamp. Exclude neighboring graphics.","id":"obj_004","temporal":{"status":"found","start_s":2.25,"end_s":3.5,"reference_s":3.0,"evidence":"目标是开场图标行中纸张右侧、山峰左侧的灰色台灯，包含斜灯罩、白色灯泡、白色折臂、红色关节和圆弧底座。2.25秒首次结构完整，2.00秒仍只有底座及部分支臂，灯罩尚未出现；最后合格帧为3.25秒，3.50秒台灯被转场遮罩覆盖。选择3.00秒作为关键帧，台灯完整清晰，与邻近图标分离且无遮挡。","start_frame":54,"end_frame":84,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[325,675,377,814],"positive_points":[[357,692],[362.5,710],[338.3,719.4],[329.7,743.1],[342.2,765.3],[355.5,801.4]],"negative_points":[[310.2,697.2],[385.9,806.9],[260.9,750],[439.8,769.4]],"evidence":"目标是底部图标行中、便笺与山峰之间的灰色折臂台灯。边界框覆盖斜灯罩、可见灯泡、白色支臂、红色关节及圆弧底座；六个正点分布于这些部件，负点位于外部绿色背景及相邻便笺、山峰图标上。"}},{"name":"Opening mountain landscape icon","description":"Two green snowcapped mountains with a yellow sun and short pale clouds appear near the middle of the opening icon row.","membership":"Include both mountains, snowcaps, sun, and cloud bars. Follow each component's outline, excluding background gaps and adjacent icons.","id":"obj_005","temporal":{"status":"found","start_s":2.0,"end_s":3.5,"reference_s":3.25,"evidence":"目标是开场图标行中间、台灯与手机之间的双绿山景观，包含白色雪顶、黄色太阳和浅色云条。2.00秒各组成部分已完整建立；前一帧1.75秒仍只有初步展开的单座山及零散组件。最后合格帧为3.25秒，3.50秒转场遮罩开始遮去目标。选择3.25秒作为关键帧，因全部组件清晰完整且无遮挡。","start_frame":48,"end_frame":84,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[396.1,669.4,535.2,813.9],"positive_points":[[453.1,690.3],[446.1,730.6],[486.7,716.7],[429.7,783.3],[504.7,781.9],[403.9,752.8]],"negative_points":[[356.3,750],[590.6,740.3],[468.8,625],[470.3,854.2]],"evidence":"目标是图标行中间的双峰山景，位于台灯与手机之间。边界框覆盖两座绿色山体、白色雪顶、黄色太阳及浅色云条。正点分布在太阳、两处雪顶、两座山体和左侧云条上；负点位于相邻台灯、手机及山景上下的外部背景。"}},{"name":"Smartphone icon","description":"A vertically oriented light-gray smartphone with a dark screen appears to the right of the opening mountain landscape.","membership":"Include the complete phone casing, screen, speaker, and lower button. Exclude surrounding background.","id":"obj_006","temporal":{"status":"found","start_s":2.0,"end_s":3.5,"reference_s":3.25,"evidence":"目标是开场山景右侧的浅灰色竖直手机，含深色屏幕、顶部听筒和底部按钮。2.00秒首次完整呈现，1.75秒仍在组装，屏幕及机身细节尚未完整。最后合格帧为3.25秒；3.50秒圆形转场遮罩已覆盖手机，开始���除该目标。选择3.25秒作为关键帧，手机结构清晰且无遮挡。","start_frame":48,"end_frame":84,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[571.1,679.2,612.5,813.9],"positive_points":[[591.4,685.4],[581.3,708.3],[600,731.9],[585.9,768.1],[591.4,804.2],[609.4,775]],"negative_points":[[500,763.9],[687.5,763.9],[551.6,730.6],[632.8,833.3]],"evidence":"目标是山景右侧、轮船左侧的竖直浅灰色手机。边界框覆盖完整机壳、深色屏幕、顶部听筒及底部按钮；正点分布于这些部件，负点位于旁边山景、轮船和手机外部的绿色背景。"}},{"name":"Passenger ship icon","description":"A side-view passenger ship in the opening row has a dark hull with an orange stripe, pale decks, and three smokestacks.","membership":"Include the complete hull, stripe, decks, and smokestacks. Exclude neighboring phone and art graphics.","id":"obj_007","temporal":{"status":"found","start_s":2.75,"end_s":3.75,"reference_s":3.25,"evidence":"目标是开场图标行中手机右侧、调色板左侧的客船，具有深色船体、橙色横条、浅色甲板和三根烟囱。2.75秒首次完整呈现，2.50秒烟囱尚未出现；3.50秒船体仍完整可见，3.75秒已被转场遮罩移除。选择3.25秒作为关键帧，船形清晰且无遮挡。","start_frame":66,"end_frame":90,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[640.6,677.8,773.4,811.1],"positive_points":[[669,705],[689,705],[708,704],[695,745],[748,765],[703,788]],"negative_points":[[591,745],[817,749],[704,635],[704,852]],"evidence":"目标是手机右侧、绘画工具左侧的侧视客轮，以深色船体、橙色条纹、浅色甲板和三根烟囱识别。边界框紧密覆盖完整船体、条纹、甲板及烟囱；六个正点分布于这些组成部分，负点位于邻近手机、画笔及船外上下方背景。"}},{"name":"Artist palette and brush icon","description":"The rightmost opening icon pairs an orange painter's palette bearing colored paint spots with a slender upright paintbrush.","membership":"Include the palette, its paint spots, and the accompanying brush. Preserve the palette's concave contour and exclude background between the two components.","id":"obj_008","temporal":{"status":"found","start_s":2.75,"end_s":3.75,"reference_s":3.25,"evidence":"目标是开场图标行最右侧的橙色凹口调色板、彩色颜料点及独立竖直画笔。2.75秒首次完整呈现，2.50秒颜料点仍在逐步显现、长大。最后合格帧为3.50秒：左侧转场遮罩尚未遮住该图标；3.75秒已被转场完全替换。选择3.25秒作为关键帧，调色板轮廓、颜料点和画笔均清晰且无遮挡。","start_frame":66,"end_frame":90,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[812.5,672.2,907.8,822.2],"positive_points":[[817.6,705.6],[817.2,808.3],[850.8,704.2],[886.7,726.4],[895.3,791.7],[851.6,797.2]],"negative_points":[[828.1,741.7],[921.9,752.8],[870.3,643.1],[750,770.8]],"evidence":"目标是最右侧的橙色调色盘及其左侧直立画笔。边界框紧贴两者的整体可见范围；六个正点分布在画笔、调色盘主体及颜料斑上，四个负点位于两部件之间的外部背景、上方和右侧背景，以及左侧船只上。"}},{"name":"Animated icons pack headline","description":"The product presentation introduces a large purple-to-pink “+150” above the white text “Animated Icons Presets Pack” on the left.","membership":"Include the number and all wording of this headline as one text block throughout its animated assembly. Exclude the product box and feature badges below.","id":"obj_009","temporal":{"status":"found","start_s":5.25,"end_s":6.25,"reference_s":5.75,"evidence":"目标是左侧紫粉渐变“+150”及白色“Animated Icons Presets Pack”组成的标题，不含右侧包装盒和下方徽章。5.25秒全部文字已完整呈现，虽仍有倾斜运动但符合条件；前一帧5.00秒末尾字母仍在逐字展开。最后合格帧为6.00秒，6.25秒转场遮罩已覆盖标题。选择5.75秒作为关键帧，此时文字排列清晰、无遮挡。","start_frame":126,"end_frame":150,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[92.2,229.2,393,558.3],"positive_points":[[125,327.8],[200,316.7],[373.4,326.4],[179.7,470.8],[294.5,470.8],[291.4,533.3]],"negative_points":[[625,486.1],[264.1,722.2],[62.5,458.3],[234.4,604.2]],"evidence":"目标为左侧渐变色“+150”及下方两行白色“Animated Icons / Presets Pack”，边界框紧包完整标题。六个正点分布在数字、加号及两行文字笔画上；负点位于右侧产品盒、下方功能徽章和标题外背景，均排除在目标之外。"}},{"name":"Orange presets product box","description":"An upright three-dimensional orange package on the right displays “+150,” an FFX document symbol, an “Ae” logo, and five small sample icons across its front.","membership":"Include the entire visible front, top and side surfaces, package boundaries, and all printed text, logos, stripes, and sample icons. Exclude the cast shadow and adjacent promotional text.","id":"obj_010","temporal":{"status":"found","start_s":4.25,"end_s":6.25,"reference_s":5.5,"evidence":"目标是右侧立体橙色包装盒，正面印有“+150”、FFX 文件符号、“Ae”标志及五个示例图标。4.25秒首次完整呈现，虽仍在缩放和旋转，但包装结构已完整；6.00秒是最后合格帧。此前4.00秒仅见转场色块，随后6.25秒包装被圆形转场遮去。选择5.50秒作为关键帧，盒体清晰完整，正面与侧面边界明确，无遮挡。","start_frame":102,"end_frame":150,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[554.7,162.5,839.1,876.4],"positive_points":[[590,306],[674,298],[724,480],[659,676],[710,806],[813,522]],"negative_points":[[271,535],[890,490],[702,924],[705,100]],"evidence":"目标是右侧印有“+150”、FFX文档符号、Ae标志及五个示例图标的橙色立体包装盒。边界框紧贴整个可见盒体，包含正面、侧面及顶部边缘，不含投影。正点分布在正面橙色区域、标志、数字、图标、底部和侧面；负点位于左侧宣传文字、右侧与上方背景及盒下投影区域。"}},{"name":"Eleven categories feature badge","description":"Beneath the product headline, the left feature badge shows a large white “11” over a magenta circle with “Categories” below.","membership":"Include the circular badge and its enclosed area, the overhanging numeral, and the associated “Categories” label. Exclude adjacent feature badges and background gaps.","id":"obj_011","temporal":{"status":"found","start_s":5.25,"end_s":6.25,"reference_s":5.75,"evidence":"目标是产品标题下方最左侧的功能徽章：洋红色圆形、外伸的白色“11”和下方“Categories”标签。5.25秒首次完整呈现，6.00秒为最后合格帧；此前5.00秒标签仍被裁切、尚未揭示完整，之后6.25秒转场遮罩已遮住目标。选择5.75秒作为关键帧，徽章和标签清晰完整，且与相邻徽章易于区分。","start_frame":126,"end_frame":150,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[98.4,650,203.9,851.4],"positive_points":[[130,688],[177,692],[168,770],[150,737],[118,832],[186,835]],"negative_points":[[263,724],[372,724],[95,715],[155,889]],"evidence":"目标位于标题下方左侧，是洋红色圆形上叠加白色“11”、下附“Categories”的功能徽章。边界框覆盖圆形、外伸数字和完整标签；正点分布于数字笔画、圆形内部及标签字母，负点位于相邻蓝色和绿色徽章以及目标左侧、下方背景。"}},{"name":"Vectorized feature badge","description":"The middle feature badge beneath the product headline has a blue circle containing “100%” and the label “Vectorized” below.","membership":"Include the complete blue disk, its text, and the associated label below. Exclude neighboring badges.","id":"obj_012","temporal":{"status":"found","start_s":5.25,"end_s":6.25,"reference_s":5.75,"evidence":"目标是产品标题下方居中的蓝色圆形徽章，包含“100%”及下方“Vectorized”标签，不含左右徽章。首个完整呈现帧为5.25秒，最后一个为6.00秒；此前5.00秒徽章仍在揭示，底部和标签尚未完整出现，之后6.25秒转场图形遮盖并移除该画面。选择5.75秒作为关键帧，圆盘、文字及标签均清晰完整且无遮挡。","start_frame":126,"end_frame":150,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[213.3,650,317.2,848.6],"positive_points":[[242.2,677.8],[288.3,684.7],[234.4,750],[282.8,768.1],[217.2,833.3],[312.5,836.1]],"negative_points":[[148.4,720.8],[372.7,722.2],[264.8,606.9],[264.8,888.9]],"evidence":"目标是标题下方居中的蓝色“100%”徽章及其下方“Vectorized”标签。边界框覆盖完整蓝色圆盘、圆内文字和下方标签；正点分布在圆盘及标签字形上，负点位于左右相邻徽章和目标上下的外部背景。"}},{"name":"Smart controllers feature badge","description":"The right feature badge beneath the product headline uses a turquoise circle containing “SMART,” with “Controllers” underneath.","membership":"Include the turquoise disk, its internal text, and its associated lower label. Exclude neighboring badges and background.","id":"obj_013","temporal":{"status":"found","start_s":5.5,"end_s":6.25,"reference_s":5.75,"evidence":"目标是产品标题下方最右侧的青绿色圆形徽章，包含圆内“SMART”和下方“Controllers”标签。5.50秒首次完整显示，6.00秒为最后合格帧；此前5.25秒下方标签仍被揭示遮罩裁切，之后6.25秒转场图形已遮去目标。选择5.75秒作为关键帧，此时圆盘与两处文字清晰完整，且与相邻徽章容易区分。","start_frame":132,"end_frame":150,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[328.9,650,416.4,848.6],"positive_points":[[371.1,677.8],[347.7,725],[391.4,729.2],[371.9,772.2],[332.0,834.7],[389.8,834.7]],"negative_points":[[264.1,720.8],[273.4,836.1],[443.0,722.2],[374.2,890.3]],"evidence":"目标是标题下方最右侧的 SMART 功能徽章。边界框涵盖青绿色圆盘、内部 SMART 文字及下方 Controllers 标签；正点分布在圆盘和标签字形上，负点位于左侧相邻徽章、其标签以及目标右侧和下方的外部背景。"}},{"name":"Large eleven categories display","description":"The category overview presents two large extruded white numerals forming “11,” with a white, pink-edged plaque reading “Categories” in front.","membership":"Include the complete three-dimensional numerals and the plaque, including their visible faces, edges, and lettering. Exclude the large dark circular backdrop and cast shadows.","id":"obj_014","temporal":{"status":"found","start_s":7.5,"end_s":9.0,"reference_s":8.0,"evidence":"目标为两枚白色立体数字组成的“11”，以及前方带粉色侧边、写有“Categories”的白色铭牌，不包括深色圆形背景和投影。7.50秒首次完整呈现数字与铭牌，至8.75秒仍完整可见；此前7.25秒数字和铭牌尚未完成展开，之后9.00秒已切换为浅绿色背景上的小圆点。选择8.00秒作为关键帧，因为数字的立体边缘、铭牌和文字清晰且无遮挡。","start_frame":180,"end_frame":216,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[82.8,233.3,411.7,806.9],"positive_points":[[156.3,291.7],[210.9,534.7],[351.6,305.6],[381.3,579.2],[90.6,705.6],[264.1,736.1]],"negative_points":[[58.6,486.1],[429.7,486.1],[273.4,861.1],[625,180.6]],"evidence":"目标是左侧立体白色“11”和前方写有“Categories”的粉边白色牌。边界框覆盖两个数字及牌子的可见正面、侧面和文字，不含深色圆形背景及投影。六个正点分布在数字和牌面、粉色侧边上；负点位于外围深色背景及右侧独立的科技图标上。"}},{"name":"Category names list","description":"A white vertical list on the right of the category overview reads “Technology,” “Nature,” “Education,” “Transport,” “Ecology,” “Religion,” and “Foods.”","membership":"Include the lettering of all seven category names as one list. Exclude the adjacent illustrative icons, background, and trailing decorative dots.","id":"obj_015","temporal":{"status":"found","start_s":7.5,"end_s":9.0,"reference_s":8.5,"evidence":"目标是类别总览右侧的七行白色类别名称，仅包含文字，不含左侧图标和下方装饰圆点。7.50秒七个名称均已完整出现，虽仍有倾斜和位置动画，也符合条件；此前7.25秒部分名称仍在逐字揭示。最后符合帧为8.75秒，9.00秒已切换画面，列表消失。选择8.50秒作为关键帧，此时文字排列清晰、完整且无遮挡。","start_frame":180,"end_frame":216,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[677.3,151.4,877.3,830.6],"positive_points":[[687.5,158.3],[683.6,386.1],[691.4,470.8],[746.1,575],[733.6,684.7],[691.4,802.8]],"negative_points":[[631.3,581.9],[632.8,811.1],[763.3,900],[898.4,486.1]],"evidence":"目标是右侧从 Technology 到 Foods 的七行白色类别名称，边界框覆盖整组文字。六个正点分布在顶部、中部和底部的字母笔画上；负点位于左邻图标、下方装饰圆点及右侧背景，均排除在目标之外。"}},{"name":"Technology smartwatch icon","description":"Beside “Technology,” a small smartwatch has a muted strap and a black rounded face filled with colorful circular app marks.","membership":"Include the complete strap, watch casing, screen, and colored marks. Exclude the category label.","id":"obj_016","temporal":{"status":"found","start_s":7.5,"end_s":9.0,"reference_s":8.0,"evidence":"目标是“Technology”左侧的智能手表，具有灰绿色表带、黑色圆角表壳和彩色圆形应用标记，不包括文字。7.50秒首次完整呈现，持续至8.75秒；此前7.25秒表盘内标记及表带仍在展开，之后9.00秒已切换为浅绿色背景和圆点，手表消失。选择8.00秒作为关键帧，手表结构清晰完整且无遮挡。","start_frame":180,"end_frame":216,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[608.6,123.6,640.6,233.3],"positive_points":[[624.2,134.7],[624.2,221],[614.8,161.1],[624.2,169.4],[620.3,195.8],[634.4,191.7]],"negative_points":[[588.3,173.6],[651.6,209.7],[692.2,172.2],[622.7,255.6]],"evidence":"目标是“Technology”左侧的智能手表图标。边界框紧包上下表带、黑色圆角表壳、屏幕及彩色应用圆点；正点分布在表带和表盘各处，负点位于外部绿色背景、右侧类别文字及下方自然图标上。"}},{"name":"Nature mountain landscape icon","description":"Beside “Nature,” a second presentation of the landscape graphic shows two green snowcapped mountains, a yellow sun, and pale clouds.","membership":"Include both mountains, their snowcaps, the sun, and cloud bars. Exclude the category label and background gaps.","id":"obj_017","temporal":{"status":"found","start_s":7.5,"end_s":9.0,"reference_s":8.0,"evidence":"目标是���类列表中“Nature”左侧的山景图标，包含两座绿色雪顶山、黄色太阳和浅色云条。7.50秒首次完整呈现所有指定组成部分，之后的缩放不影响纳入；最后合格帧为8.75秒。此前7.25秒仍在构建，仅呈现部分山景；此后9.00秒已切换画面，目标消失。选择8.00秒作为关键帧，图标结构清晰且无遮挡，容易与右侧标签区分。","start_frame":180,"end_frame":216,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[590.6,241.7,668.8,323.6],"positive_points":[[622.7,254.2],[618,275],[640.6,270],[612.5,311],[654,313],[596.9,289]],"negative_points":[[710.9,287.5],[574.2,291.7],[624.2,175],[627.3,388.9]],"evidence":"目标位于“Nature”文字左侧，是包含两座绿色雪山、黄色太阳和浅色云条的图标。边界框紧贴这些图形的整体范围；六个正点分布于太阳、两处雪帽、两座山体及云条，负点位于右侧标签、左侧背景以及上下相邻的其他图标。"}},{"name":"Education atom icon","description":"Beside “Education,” an atom symbol has dark elliptical orbital paths around a yellow nucleus and small colored electrons.","membership":"Include the nucleus, electrons, and orbital strokes. The orbital curves remain line elements; exclude background spaces between them and the category label.","id":"obj_018","temporal":{"status":"found","start_s":7.5,"end_s":9.0,"reference_s":8.25,"evidence":"目标是“Education”左侧的原子图标，包括黄色原子核、彩色电子和深色椭圆轨道，不含文字。7.50秒首次呈现完整结构，持续至8.75秒；此前7.25秒轨道仍在绘制，尚未完整，之后9.00秒已切换为浅绿色背景和中央圆点，目标消失。选择8.25秒作为关键帧，图标完整清晰且无遮挡。","start_frame":180,"end_frame":216,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[604,339,652,435],"positive_points":[[627,388],[609,361],[646,361],[628,428],[629,343],[645,415]],"negative_points":[[687,383],[630,300],[583,389],[633,487]],"evidence":"目标是“Education”左侧的原子图标。边界框紧贴轨道线、黄色原子核及外围电子；六个正点分布在原子核、电子和轨道笔画上。负点位于右侧文字、上方自然图标、左侧外部背景和下方自行车图标，避开轨道内部空隙。"}},{"name":"Transport bicycle icon","description":"Beside “Transport,” a pale bicycle is drawn in side view with two dark outlined wheels and yellow drivetrain details.","membership":"Include the wheels and their enclosed areas, frame, fork, handlebar, saddle, pedals, and drivetrain. Exclude background outside the bicycle and the category label.","id":"obj_019","temporal":{"status":"found","start_s":7.75,"end_s":9.0,"reference_s":8.5,"evidence":"目标是“Transport”左侧的侧视自行车，具有浅色车架、深色轮圈及黄色传动细节。7.75秒首次呈现完整车轮、车架和车把等结构，持续至8.75秒；此前7.50秒车轮与车架仍在组装显现，之后9.00秒已切换为无自行车的新画面。选择8.50秒作为关键帧，因自行车结构清晰、无遮挡，且易与相邻图标和文字区分。","start_frame":186,"end_frame":216,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[596.9,455.6,662.5,523.6],"positive_points":[[609.4,500.0],[649.2,498.6],[628.9,500.0],[623.4,469.4],[618.8,459.7],[645.3,461.1]],"negative_points":[[703.1,491.7],[627.3,388.9],[629.7,584.7],[581.3,488.9]],"evidence":"目标是“Transport”左侧的侧视自行车。边界框紧贴双轮、车架、车把、车座及传动部件；正点分布在轮内、黄色传动部件和浅色车架等位置，负点位于右侧类别文字、上下相邻图标及左侧外部背景。"}},{"name":"Ecology energy droplet icon","description":"Beside “Ecology,” a blue teardrop contains a white lightning-bolt symbol.","membership":"Include the entire droplet shape and the lightning bolt within it. Exclude the adjacent category name.","id":"obj_020","temporal":{"status":"found","start_s":8.0,"end_s":9.0,"reference_s":8.5,"evidence":"目标是“Ecology”左侧、内含白色闪电的蓝色水滴，不包含类别文字。8.00秒首次完整呈现水滴和闪电，最后合格帧为8.75秒；此前7.75秒内部闪电仍在显现，之后9.00秒画面切换，目标消失。选择8.50秒作为关键帧，水滴及闪电清晰完整、无遮挡。","start_frame":192,"end_frame":216,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[612.5,533.3,651.6,631.9],"positive_points":[[630.5,554.2],[621.1,580.6],[621.9,608.3],[637.5,611.1],[643.8,593.1],[630.5,591.7]],"negative_points":[[692.2,579.2],[623.4,493.1],[631.3,679.2],[668,598.6]],"evidence":"目标是“Ecology”左侧含白色闪电的蓝色水滴。边界框紧贴完整水滴，包含内部闪电，不含右侧文字。六个正点分布于水滴上部、两侧、底部及闪电；负点位于右侧文字、上方自行车、下方宗教图标和外部背景。"}},{"name":"Religion building icon","description":"Beside “Religion,” a small blue religious building has a central doorway, pale windows, and three pointed or domed roof forms.","membership":"Include the complete building silhouette, roofs, doorway, and window details. Exclude the category label and background.","id":"obj_021","temporal":{"status":"found","start_s":7.5,"end_s":9.0,"reference_s":8.5,"evidence":"目标是“Religion”左侧的蓝色宗教建筑图标，包含三座浅色屋顶、中央门洞和浅色窗户。首个完整呈现帧为7.50秒，7.25秒仍只有未完成的底部结构；最后符合条件的帧为8.75秒，9.00秒已切换画面，建筑消失。选择8.50秒作为关键帧，建筑结构清晰完整，无遮挡，易与标签及其他图标区分。","start_frame":180,"end_frame":216,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[605.5,645.8,657,740.3],"positive_points":[[630.5,661.1],[615.6,673.6],[644.5,675],[609.4,716.7],[650,713.9],[631.3,720.8]],"negative_points":[[583.6,704.2],[689.8,684.7],[631.3,590.3],[632.8,808.3]],"evidence":"目标是“Religion”左侧的蓝色宗教建筑图标。边界框覆盖三处屋顶、建筑主体、门和窗；六个正点分布在屋顶及门窗墙体上，负点位于左侧背景、右侧文字以及上下相邻的水滴和汉堡图标上。"}},{"name":"Foods hamburger icon","description":"Beside “Foods,” an assembling hamburger shows an orange bun with layered red, green, brown, and yellow fillings.","membership":"Include both bun halves and all filling layers throughout their separation and assembly. Exclude background gaps between separated layers and the category name.","id":"obj_022","temporal":{"status":"found","start_s":7.75,"end_s":9.0,"reference_s":8.5,"evidence":"目标是“Foods”左侧的汉堡图标，包含上下橙色面包及各色夹层，不含文字。7.75秒各组成部分已完整可见，虽仍分离并继续合拢，也属于该目标；最后合格帧为8.75秒。此前7.50秒仅显现部分夹层，面包尚未完整出现；此后9.00秒已切换为浅绿色背景和中央圆点。选择8.50秒作为关键帧，此时汉堡组装完整、轮廓清楚且无遮挡。","start_frame":186,"end_frame":216,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[608.6,770.8,660.2,858.3],"positive_points":[[631,787],[627,847],[620,817],[632,807],[648,817],[620,831]],"negative_points":[[705,805],[586,806],[633,885],[630,708]],"evidence":"目标是“Foods”左侧的汉堡图标。边界框紧贴上下橙色面包及全部彩色夹层；六个正点分布在面包、红色、棕色、黄色和绿色填料上。负点位于右侧类别文字、左侧及下方背景，以及上方宗教图标，均不落在汉堡内部间隙。"}},{"name":"Scalable telescope icon","description":"The vector-scaling demonstration centers a telescope with a light-blue barrel, dark front rim, white lens, pink eyepiece, red mount, and three pale tripod legs. It enlarges dramatically during the demonstration.","membership":"Include the entire telescope and tripod, including the lens, barrel sections, eyepiece, mount, and legs. Exclude the dark circular backing, surrounding background, scale-control slider, and explanatory text.","id":"obj_023","temporal":{"status":"found","start_s":9.5,"end_s":10.75,"reference_s":10.25,"evidence":"目标为浅蓝镜筒、白色镜片与深色前缘、粉色目镜、红色支座及三条浅色支腿组成的望远镜，不含圆形底板和滑杆。9.50秒各部分已出现完整，镜筒仍在旋转、缩放；此前9.25秒仅见尚未组装完成的支架等部分。最后完整帧为10.50秒，10.75秒放大后镜筒和支腿已被画面边界裁切。选择10.25秒作关键帧，望远镜较大且完整，形状清楚、无遮挡。","start_frame":228,"end_frame":258,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[350,282,655,785],"positive_points":[[357,374],[442,403],[614,476],[461,701],[498,674],[539,713]],"negative_points":[[510,213],[318,486],[826,568],[211,639]],"evidence":"目标是画面中央的望远镜及三脚架，可由浅蓝镜筒、白色镜片、深色前缘、粉色目镜和红色支架识别。边界框紧贴完整望远镜及三条支腿；正点分布在镜片、镜筒、目镜和三条支腿上，负点位于深色圆形衬底、右侧滑块及左侧文字上，均不属于目标。"}},{"name":"Vertical scale slider","description":"To the right of the telescope, a vertical control has a pale upper track, purple lower track, and a white circular knob that changes position as the telescope changes size.","membership":"Include the complete visible track and knob, including the knob's enclosed area. Exclude shadows, the telescope, and background.","id":"obj_024","temporal":{"status":"found","start_s":9.5,"end_s":12.25,"reference_s":10.0,"evidence":"目标是望远镜右侧由浅色上轨、紫色下轨和白色圆形旋钮组成的竖直滑杆。9.50秒首次完整可见，前一帧9.25秒尚未出现；12.00秒滑杆仍完整可见，随后12.25秒被转场替代。选择10.00秒作���关键帧，此时轨道和旋钮清晰完整，与望远镜分离且无遮挡。","start_frame":228,"end_frame":294,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[801.6,230.6,848.4,772.2],"positive_points":[[825.8,263.9],[825.8,430.6],[814.8,593.1],[835.9,615.3],[825.8,673.6],[825.8,751.4]],"negative_points":[[781,403],[868,611],[797,736],[510,450]],"evidence":"目标是望远镜右侧的竖直滑杆。边界框紧贴浅色上轨、紫色下轨和白色圆形旋钮，不含阴影。六个正点分布在上下轨道及旋钮内部；四个负点位于周围绿色背景和左侧望远镜上。"}},{"name":"Vector scaling caption","description":"The telescope demonstration adds the white caption “100%” above “Vectorzied” at the lower left.","membership":"Include both lines of lettering as one text block. Exclude the neighboring vertical rule, accent strokes, telescope, and background.","id":"obj_025","temporal":{"status":"found","start_s":10.75,"end_s":12.0,"reference_s":11.25,"evidence":"目标是望远镜演示左下方白色“100%”与“Vectorzied”两行文字，不包括竖线及装饰笔画。10.75秒两行文字已完整呈现，虽仍在变形运动但符合条件；前一帧10.50秒下行仍在逐字揭示。最后合格帧为11.75秒，12.00秒文字开始淡出并被转场遮盖。选择11.25秒作为关键帧，因为两行文字清晰完整、无遮挡。","start_frame":258,"end_frame":288,"reference_frame":270},"grounding":{"status":"found","bbox_xyxy":[98.4,647.2,337.5,845.8],"positive_points":[[121.1,715.3],[162.5,709.7],[332.8,745.8],[119.5,816.7],[257.8,806.9],[326.6,815.3]],"negative_points":[[75.8,743.1],[488.3,631.9],[363.3,825],[195.3,902.8]],"evidence":"目标为左下方白色两行文字“100%”和“Vectorzied”。边界框紧贴完整文字块，不含左侧竖线。六个正点分布在两行字形笔画上；负点位于邻近竖线、望远镜支架及文字外的背景。"}},{"name":"Landscape preset source tile","description":"The drag-and-drop demonstration presents a dark square source tile on the left containing a white folded-corner FFX file icon and the filename “Landscape.ffx.”","membership":"Include the tile's full surface and boundary, its inset shading, document icon, and filename. Exclude the overlaid hand pointer and the separate moving copy of the file.","id":"obj_026","temporal":{"status":"found","start_s":13.0,"end_s":17.25,"reference_s":16.5,"evidence":"目标是拖放演示左侧的深色方形源图块，含内层阴影、白色折角FFX文档图标及随后出现的“Landscape.ffx”文件名。13.00秒图块表面和完整边界已建立；此前12.75秒仍被圆形遮罩裁切，尚未完整揭示。最后合格帧为17.00秒，17.25秒已切换为黄色背景，图块消失。选择16.50秒作为关键帧，此时图块、图标和文件名清楚可见，且无手形指针或移动文件副本遮挡。","start_frame":312,"end_frame":414,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[102.3,225,331.3,630.6],"positive_points":[[119,254],[310,273],[128,590],[217,559],[215,416],[293,505]],"negative_points":[[70,428],[219,161],[221,762],[726,426]],"evidence":"目标是左侧包含白色折角FFX文档图标和“Landscape.ffx”文件名的深色方形源磁贴。边界框紧贴磁贴完整外缘，涵盖表面、内层阴影、图标及文件名；正点分布于这些区域，负点位于磁贴外浅色背景、下方DRAG文字和右侧预览面板。"}},{"name":"Animated drag-and-drop hand","description":"A large white outline hand with an extended index finger appears over the landscape preset tile and moves with the drag-and-drop demonstration toward the preview.","membership":"Include only the drawn hand outline. Leave its open interior unfilled and exclude the file, panels, and other interaction accents beneath or around it.","id":"obj_027","temporal":{"status":"found","start_s":13.5,"end_s":15.5,"reference_s":15.25,"evidence":"目标是伸出食指的白色空心手形轮廓，从预设文件块移动到右侧预览区。首个完整可见帧为13.50秒；此前13.25秒手形正从画面底部进入，尚被边界裁切。最后符合条件的帧为15.25秒，15.50秒手形已消失。选择15.25秒作为关键帧，此时手形在深色预览区上轮廓清楚，便于与文件、面板及交互装饰区分。","start_frame":324,"end_frame":372,"reference_frame":366},"grounding":{"status":"found","bbox_xyxy":[686.7,413.9,764.8,570.8],"positive_points":[[711,447],[720,418],[738,467],[761,512],[733,565],[700,528]],"negative_points":[[652,469],[779,490],[682,344],[803,590]],"evidence":"目标是右侧预览面板中覆盖山景的白色伸指手形轮廓。边界框紧贴手指顶部、拇指左缘、右侧指缘和手掌底边；六个正点分布在这些白色轮廓上，四个负点位于手形外部的山景、太阳及面板背景，未将手形内部空白标为负点。"}},{"name":"Landscape preview panel","description":"A dark rectangular preview panel appears on the right of the drag-and-drop demonstration. Its initially empty surface receives a mountain landscape, while a pink vertical playhead moves across it.","membership":"Include the full panel surface and boundary, its landscape contents, and its vertical playhead with the top handle. Exclude the hand pointer, external arrows, and “DROP” text beneath it.","id":"obj_028","temporal":{"status":"found","start_s":13.75,"end_s":17.25,"reference_s":16.0,"evidence":"目标是拖放演示右侧的深色矩形预览面板，包含山景及带顶部手柄的粉色播放头。13.75秒面板已完整呈现，只是处于侧向旋转状态；13.50秒右侧尚无面板。随后空白面板接收山景，播放头横向移动，至17.00秒仍完整可见；17.25秒已切换为黄色背景。选择16.00秒作为关键帧，面板与山景清晰，且无手形指针遮挡。","start_frame":330,"end_frame":414,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[540.6,211.1,903.9,634.7],"positive_points":[[570,278],[859,288],[586,579],[860,578],[698,469],[774.2,218.1]],"negative_points":[[733,772],[218,415],[721,155],[938,429]],"evidence":"目标是右侧含山峰景观的深色预览面板。边界框覆盖完整面板、内部景观及粉色竖直播放头和顶部手柄。正点分布在面板表面、山峰和手柄上；负点位于下方“DROP”文字、左侧文件面板以及面板上方和右侧的外部背景。"}},{"name":"Drag instruction","description":"The large magenta word “DRAG” appears beneath the preset source tile.","membership":"Include only the lettering of “DRAG.” Exclude the source tile, moving file, and background.","id":"obj_029","temporal":{"status":"found","start_s":14.5,"end_s":17.25,"reference_s":16.5,"evidence":"目标是预设源图块下方的洋红色“DRAG”字母，不含图块和文件。14.50秒首次完整显示，虽然较小但文字已揭示完毕；14.25秒尚无该文字。最后合格帧为17.00秒，17.25秒已切换为黄色背景，文字消失。选择16.50秒作为关键帧，文字大且清晰，无遮挡，便于单独标注。","start_frame":348,"end_frame":414,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[94.5,704.2,344.5,829.2],"positive_points":[[103.9,768.1],[139.1,761.1],[171.1,763.9],[201.6,802.8],[236.7,795.8],[332.8,793.1]],"negative_points":[[215.6,565.3],[218.8,887.5],[61.7,768.1],[690.6,766.7]],"evidence":"目标是左侧预设源图块下方的大号洋红色“DRAG”。边界框紧贴完整单词，六个正点分布在四个字母的实际笔画上；负点位于上方源图块、文字左侧及下方背景和右侧“DROP”文字上。"}},{"name":"Dragged FFX file copy","description":"During the transfer, a separate enlarged white folded-corner document marked “FFX” moves between the source tile and the preview, while the original file remains visible in the source tile.","membership":"Include the complete moving document, its folded corner, dark FFX tab, and internal document marks. Exclude the hand pointer and the original file inside the source tile.","id":"obj_030","temporal":{"status":"found","start_s":14.75,"end_s":15.25,"reference_s":15.0,"evidence":"目标是拖动时独立移动的白色折角 FFX 文档副本，包含深色 FFX 标签及内部线条；源图块中的原文件仍然可见。首个完整出现帧为14.75秒，最后 qualifying 帧为15.00秒。此前14.50秒仅见源文件和手形指针，尚无独立副本；此后15.25秒副本消失，右侧预览出现山景。选择15.00秒作为关键帧，因为副本位于两图块之间，与原文件分离，形状清晰。","start_frame":354,"end_frame":366,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[360,290,490,521],"positive_points":[[380,329],[431,326],[469,333],[406,385],[462,429],[415,491]],"negative_points":[[464,551],[214,405],[354,457],[690,414]],"evidence":"目标是源文件方块与右侧预览之间独立放大的白色FFX文档。边界框覆盖文档纸面、右上折角、黑色FFX标签及内部标记，不包含手形指针。正点分布于标签、折角和纸面标记；负点位于下方手形指针、左侧原始文件、外部背景及右侧预览区。"}},{"name":"Drop instruction","description":"The large purple word “DROP” appears beneath the destination preview panel.","membership":"Include only the lettering of “DROP.” Exclude the preview panel and its contents.","id":"obj_031","temporal":{"status":"found","start_s":15.0,"end_s":17.25,"reference_s":16.0,"evidence":"目标是右侧目标预览面板下方的紫色“DROP”字母，不含面板。15.00秒文字虽小，但四个字母已完整呈现，随后放大；14.75秒尚无该文字。最后符合条件的帧为17.00秒，17.25秒已切换为纯黄色背景，文字消失。选择16.00秒作为关键帧，此时文字较大、清晰且无遮挡。","start_frame":360,"end_frame":414,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[600,705.6,860.2,831.9],"positive_points":[[609.4,765.3],[639.1,737.5],[675,762.5],[710.2,808.3],[740.6,759.7],[813.3,777.8]],"negative_points":[[563.3,766.7],[730.5,902.8],[859.4,569.4],[253.9,765.3]],"evidence":"目标是右侧预览面板下方的大号紫色“DROP”。边界框紧贴完整单词，六个正点分布在四个字母的笔画上；负点位于单词外的浅色背景、上方预览面板及左侧“DRAG”文字上。"}},{"name":"Dropped mountain landscape","description":"Inside the destination preview, the applied preset animates into two green snowcapped mountains with a yellow sun and pale cloud bars.","membership":"Include both mountain shapes, snowcaps, sun, and cloud bars throughout their assembly. Exclude the preview's dark surface, pink playhead, hand pointer, and external labels; this graphic remains part of the separately listed preview panel.","id":"obj_032","temporal":{"status":"found","start_s":15.25,"end_s":17.25,"reference_s":16.5,"evidence":"目标是右侧目标预览内的双绿色雪山、黄色太阳和浅色云条，不含深色面板、粉色播放头、手形指针及外部文字。15.25秒首次呈现完整组合，随后形变和缩放仍属同一次出现；最后合格帧为17.00秒。前一帧15.00秒仍是拖动中的FFX文件，尚无山景；后一帧17.25秒已切换为纯黄色背景。选择16.50秒作为关键帧，山景结构清楚且无手形指针遮挡。","start_frame":366,"end_frame":414,"reference_frame":396},"grounding":{"status":"found","bbox_xyxy":[620.3,306.9,827.3,520.8],"positive_points":[[705.5,340.3],[694.5,395.8],[672.7,477.8],[753.9,377.8],[781.3,477.8],[634.4,430.6]],"negative_points":[[589.8,333.3],[843.8,458.3],[888.3,486.1],[681.3,762.5]],"evidence":"目标是右侧预览内的双峰风景图。边界框紧贴两座绿色雪山、黄色太阳和浅色云条的整体可见范围；正点分布在太阳、两处雪顶、两座山体及云条上，负点位于预览暗色背景、粉色播放线和外部DROP文字上。"}},{"name":"Ready question","description":"The closing call to action presents the purple question “Are you Ready?” above a bright rectangular button.","membership":"Include all lettering and punctuation of the question. Exclude the button, circular backing, and background.","id":"obj_033","temporal":{"status":"found","start_s":18.0,"end_s":19.5,"reference_s":18.25,"evidence":"目标是按钮上方紫色的“Are you Ready?”全部字母及问号，不含按钮和圆形底板。18.00秒文字已完整呈现，虽仍有倾斜变形也符合条件；此前17.75秒字母和问号仍在逐步展开。最后符合帧为19.25秒，19.50秒已被转场覆盖。选择18.25秒作为关键帧，文字清楚、完整且无遮挡。","start_frame":432,"end_frame":468,"reference_frame":438},"grounding":{"status":"found","bbox_xyxy":[289.1,375,681.3,472.2],"positive_points":[[301.6,413.9],[358.6,444.4],[402.3,455.6],[471.1,429.2],[505.5,430.6],[670.3,387.5]],"negative_points":[[484.4,577.8],[484.4,305.6],[246.1,416.7],[724.2,430.6]],"evidence":"目标是按钮上方的紫色问句“Are you Ready?”，边界框紧贴整句字母及问号。六个正点分布在不同字母和问号的笔画上；负点位于下方按钮及文字上方、左右的黄色背景，排除按钮和背景。"}},{"name":"Let's Browse button","description":"The closing call-to-action button is a wide rounded rectangle with an orange-to-red gradient and centered white text reading “Let’s Browse.”","membership":"Include the complete rounded button surface, boundary, and enclosed label. Exclude the pointer, dark circular backing, and question above.","id":"obj_034","temporal":{"status":"found","start_s":17.75,"end_s":19.5,"reference_s":18.25,"evidence":"目标是橙红渐变圆角按钮，内含白色“Let’s Browse”文字，不包括指针、深色圆形背景及上方问句。17.75秒按钮表面、边界和标签已完整呈现，随后缩放仍保持完整；最后合格帧为19.25秒。此前17.50秒仅见狭窄红色竖条，按钮尚未完整展开；此后19.50秒已被转场色块替代。选择18.25秒作为关键帧，按钮较大、文字清楚且无遮挡。","start_frame":426,"end_frame":468,"reference_frame":438},"grounding":{"status":"found","bbox_xyxy":[323.4,511.1,646.1,651.4],"positive_points":[[345,542],[380,612],[479,577],[539,542],[613,582],[558,630]],"negative_points":[[505,420],[293,580],[680,585],[485,702]],"evidence":"目标是画面中央偏下、带白色“Let’s Browse”文字的橙红渐变圆角按钮。边界框紧贴完整按钮表面及其标签；六个正点分布于按钮各部分，四个负点位于上方问句及按钮左、右、下方的黄色背景，不包含在目标内。"}}]}
+{"video_id":311,"video_type":"icons and abstract motion graphics","targets":[{"name":"Earth in the Space overview","description":"Blue globe with green continents at the upper left of the opening Space overview.","membership":"Include the entire circular globe and its land and ocean areas. Exclude the background and neighboring icons.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是开场“Space”总览左上角的蓝色���洋、绿色大陆圆形地球，0.00秒时轮廓和陆地已完整呈现。首个及最后一个合格采样帧均为0.00秒；此前已是视频起点，无前一帧。紧邻的0.25秒已切换为望远镜支架，目标消失。选择0.00秒作为关键帧，地球完整可见且与邻近图标清晰分离。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[71.9,194.4,226.6,470.4],"positive_points":[[111,261],[157,235],[199,285],[93,352],[138,402],[202,381]],"negative_points":[[55,330],[150,150],[295,350],[151,662]],"evidence":"目标是画面左上方蓝色海洋、绿色大陆的圆形地球。边界框紧贴完整球体；六个正点分布在球体不同部位的陆地和海洋上，四个负点位于球外背景及邻近的土星、飞碟图标上。"}},{"name":"Saturn in the Space overview","description":"Yellow planet with broad tilted brown rings near the upper middle of the opening overview.","membership":"Include the planet and all ring bands, including areas enclosed by the rings. Exclude the overlaid title panel and neighboring subjects.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标是开场 Space 总览上方中部的黄色土星及宽阔倾斜的棕色多层环带，部分被标题面板遮挡。首个及最后一个 qualifying 采样帧均为 0.00 秒，此时目标结构已完整呈现；视频起点之前没有采样帧。紧邻的 0.25 秒帧已切换为望远镜支架，土星消失。选择 0.00 秒作为关键帧，因为它是这次总览中连续出现的唯一采样帧，行星与环带可清楚辨认。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[267.7,222.2,497,434.3],"positive_points":[[377,243],[393,377],[283,385],[425,272],[482,307],[460,361]],"negative_points":[[388,496],[195,330],[591,309],[509,168]],"evidence":"目标是画面上方中部、带倾斜宽棕色环的黄色土星。边界框紧贴可见星球及全部环带，包含环围区域，不延伸到标题面板遮挡部分。正点分布在黄色球体和环带各侧；负点位于标题面板、左侧地球、右侧月球及外部背景。"}},{"name":"Moon in the Space overview","description":"Gray circular moon with faint darker surface patches above the right side of the Space title.","membership":"Include the complete lunar disk and its surface markings. Exclude the title overlay and background.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"0.00秒的Space总览中，标题右上方可见带较深表面斑块的灰色月球圆盘，下缘被标题遮挡，身份明确。首个及最后一个合格帧均为0.00秒；这是视频起点，没有前一帧。紧邻的0.25秒已切换为望远镜支架，月球消失。选择0.00秒作为关键帧，因为这是该目标唯一的合格采样帧。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[533.3,194.4,690.6,423.1],"positive_points":[[607.8,219.4],[558.3,277.8],[656.3,272.2],[608.9,325.0],[563.5,393.5],[655.7,389.8]],"negative_points":[[614.6,490.7],[724.0,324.1],[388.5,335.2],[609.4,129.6]],"evidence":"目标是 Space 标题右上方带暗色表面斑块的灰色月球。边界框紧贴可见月面，下缘止于标题遮挡处，不包含标题覆盖区域。六个正点分布于月面上、中、下部；四个负点位于标题底板、右侧及上方背景和左侧土星上。"}},{"name":"Telescope","description":"Light-blue telescope with a pink eyepiece, white front lens, red mount, and three gray legs; initially at the upper right of the Space overview and then enlarged on its own.","membership":"Include the optical tube, lens, rim, eyepiece, mounting pieces, and all three tripod legs. Exclude the background between the legs and around the telescope.","id":"obj_004","temporal":{"status":"found","start_s":0.5,"end_s":1.75,"reference_s":1.0,"evidence":"目标为浅蓝色镜筒、白色前镜片与深色镜缘、粉色目镜、红色支座及三条灰色支腿组成的望远镜。独立展示中，0.50秒结构已完整，虽仍在旋转缩放也符合纳入条件；最后 qualifying 帧为1.50秒。此前0.25秒只有支架，镜筒尚未出现；此后1.75秒已替换为黄色圆形。选择1.00秒作为关键帧，望远镜完整清晰、无遮挡，便于标注。","start_frame":12,"end_frame":42,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[317.7,192.6,690.1,846.3],"positive_points":[[330,300],[430,332],[637,457],[451,751],[499,683],[550,744]],"negative_points":[[250,400],[550,220],[735,490],[500,915]],"evidence":"图中为独立展示的望远镜，具有浅蓝镜筒、白色前镜片、深色镜圈、粉色目镜、红色支座和三条灰色支腿。边界框紧密覆盖全部部件；六个正点分布在镜片、镜筒、目镜及三条支腿上，四个负点位于目标外围背景，未放在支腿之间的空隙。"}},{"name":"Flying saucer in the Space overview","description":"Dark flying saucer with a domed top and a row of pale circular lights at the lower left of the opening overview.","membership":"Include the saucer body, dome, highlights, and circular lights. Exclude surrounding background.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"0.00秒的Space总览左下角可见完整的深色飞碟，包括拱形舱顶、亮斑和底部一排浅色圆灯，符合目标描述。首个及最后一个合格帧均为0.00秒；视频起点之前无采样帧，紧邻的0.25秒已切换为望远镜支架，飞碟消失。因此选择0.00秒作为关键帧，其轮廓完整且易于定位。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[63,594,243,785],"positive_points":[[148,639],[183,636],[78,706],[99,723],[154,747],[224,714]],"negative_points":[[150,558],[40,706],[149,823],[267,726]],"evidence":"目标是画面左下方带穹顶和一排浅色圆灯的深色飞碟。边界框紧贴飞碟整体，覆盖主体、穹顶、高光及圆灯；正点分布在这些可见部件上，负点位于飞碟上、下、左、右的外围背景。"}},{"name":"White rocket in the Space overview","description":"Upright white rocket with blue side fins, red accents, and a white exhaust cloud below the opening Space title.","membership":"Include the rocket body, window, fins, side boosters, and associated exhaust plume. Exclude overlaid text and the title panel.","id":"obj_006","temporal":{"status":"found","start_s":0.0,"end_s":0.25,"reference_s":0.0,"evidence":"0.00秒的Space总览中，标题下方可见白色火箭、蓝色侧翼、红色装饰、侧助推器及白色尾气云；标题遮挡部分箭体，但目标结构已建立。首末 qualifying 帧均为0.00秒，视频起点之前无 sampled 帧；紧邻的0.25秒已切换为望远镜三脚架，目标不再出现。选择0.00秒作为该次连续出现的关键帧，排除叠加文字与标题面板。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[332.3,600.9,437.5,851.9],"positive_points":[[386,610],[373,633],[354,687],[339,700],[431,702],[385,800]],"negative_points":[[500,520],[459,670],[153,682],[460,812]],"evidence":"目标是 Space 标题面板下方露出的直立白色火箭，带蓝色侧翼、红色点缀及白色尾烟。边界框紧贴可见箭体、窗口、侧翼、助推器与尾烟；正点分布在这些部件上，负点位于标题面板、叠加文字、左侧飞碟及外部背景，排除遮挡文字和面板。"}},{"name":"Ground dish antenna in the Space overview","description":"Tilted gray dish on a yellow articulated support and base, below the right side of the opening title.","membership":"Include the dish, yellow rim and receiver, support joints, base, and the nearby curved signal marks belonging to the antenna graphic. Exclude overlaid text and neighboring icons.","id":"obj_007","temporal":{"status":"found","start_s":0.0,"end_s":0.25,"reference_s":0.0,"evidence":"目标位于开场 Space 标题右下方，是带黄色边缘、接收器、关节支架及底座的倾斜灰色碟形天线，旁有弧形信号线。首末 qualifying 帧均为 0.00 秒，图形已完整建立，虽被标题部分遮挡仍可辨认。视频起点之前没有采样帧；紧邻的 0.25 秒已切换为望远镜支架，目标消失。选择 0.00 秒作为唯一符合条件且可辨识目标的关键帧。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[554.2,600.9,685.4,799.1],"positive_points":[[594.3,625],[638,670.4],[634.4,630.6],[567.7,727.8],[612.5,787.9],[677.6,635.2]],"negative_points":[[625,537.9],[827.1,679.6],[531.8,788.9],[616.7,330.6]],"evidence":"目标位于标题右下方，是灰色倾斜碟面配黄色支架的地面天线。框覆盖标题下方可见的碟面、黄色边缘与接收器、关节底座及右侧弧形信号线。正点分布在这些实体部件上；负点位于覆盖标题、右侧轨道图标、左下外部背景和上方月球，排除文字及邻近图形。"}},{"name":"Solar-system diagram in the Space overview","description":"Compact orbital diagram at the lower right of the opening overview, with an orange center, white circular tracks, and colored planets.","membership":"Include the orbital rings and the area enclosed by the outermost ring, together with all planets, including portions projecting beyond that ring. Exclude surrounding background.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":0.25,"reference_s":0,"evidence":"目标位于开场 Space 总览右下角，由橙色中心、白色圆形轨道和彩色行星组成，结构已完整呈现。首个及最后一个合格采样帧均为 0.00 秒；这是视频起点，没有更早帧。紧邻的 0.25 秒帧已切换为望远镜三脚架，目标消失。选取 0.00 秒为关键帧，轨道及所有行星清晰可辨，且符合指定的总览场景。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[758,557,897,804],"positive_points":[[827,680],[777,592],[798,761],[865,677],[883,761],[827,560]],"negative_points":[[731,681],[925,688],[826,837],[826,528]],"evidence":"目标是概览右下角由橙色中心、白色轨道和多颗彩色行星组成的太阳系示意图。边界框紧贴最外层轨道及突出轨道的行星，包含轨道围住的区域。正点分布在中心、各行星和顶部轨道上；负点位于图案四周的外部背景。"}},{"name":"Space title","description":"The white word “Space” centered on a wide rounded blue-gray backing in the opening overview.","membership":"Include only the title lettering. Exclude the rounded backing, icons, and count below.","id":"obj_009","temporal":{"status":"found","start_s":0.0,"end_s":0.25,"reference_s":0.0,"evidence":"0.00秒开场总览中，蓝灰色圆角 backing 中央的白色“Space”字样已完整呈现，仅将文字认定为目标。首末合格帧均为0.00秒；该帧位于视频起点，无更早帧。紧邻的0.25秒帧已切换为望远镜三脚架，标题消失。选择0.00秒作为关键帧，字形清晰且无遮挡。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[420.8,482.4,558.3,559.3],"positive_points":[[427.1,492.6],[431.8,537],[456.3,544.4],[493.8,501.9],[513,520.4],[548.4,518.5]],"negative_points":[[375,513],[594,513],[490,453.7],[490,578.7]],"evidence":"目标是蓝灰色圆角底板中央的白色“Space”标题。边界框仅覆盖完整标题字母，包含 p 的下伸部分，不含底板、图标和下方计数。六个正点分布在各字母的实际笔画上，四个负点位于标题四周、远离字母的底板区域。"}},{"name":"Space element count","description":"The spaced text “10 Elements” beneath the opening Space title.","membership":"Include the entire text line only. Exclude adjacent graphics and the title above.","id":"obj_010","temporal":{"status":"found","start_s":0.0,"end_s":0.25,"reference_s":0.0,"evidence":"0.00秒开场“Space”标题下方可见完整的间隔排字“10 Elements”，仅将该文字行作为目标。首个及最后一个合格采样帧均为0.00秒；该帧位于视频起点，没有更早帧。紧邻的0.25秒帧已切换为望远镜支架，文字消失。选择0.00秒作为关键帧，因为该文字行完整可辨。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[369.8,649.1,605.7,688.9],"positive_points":[[375,671.3],[405.2,669.4],[440.1,653.7],[460,669.4],[498.4,675.9],[600.5,684.3]],"negative_points":[[490,518],[510,744],[345,685],[635,675]],"evidence":"目标是主标题“Space”下方的“10 Elements”字距较宽的文字行。边界框仅覆盖整行文字，六个正点分布在数字及不同字母笔画上；负点位于上方标题、下方背景及两侧相邻图形上，排除这些非目标内容。"}},{"name":"Standalone Saturn","description":"Large yellow planet presented alone after the telescope; broad tilted tan and brown rings progressively form around it.","membership":"Include the full planetary disk and the developing ring bands. Once closed, include the rings' enclosed areas as well as their boundaries. Exclude the surrounding dark background.","id":"obj_011","temporal":{"status":"found","start_s":3.0,"end_s":4.0,"reference_s":3.25,"evidence":"目标是望远镜之后单独展示的黄色土星，带倾斜的宽幅棕褐色环。3.00秒首次呈现完整星球及闭合、绘制完成的环带，最后合格帧为3.75秒；此前2.75秒环带内部色带仍在绘制，之后4.00秒已替换为另一图标的组装画面。选择3.25秒作为关键帧，土星及环带清晰完整，无遮挡。","start_frame":72,"end_frame":96,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[255.2,283.3,705.7,766.7],"positive_points":[[464,339],[477,708],[573,598],[284,613],[595,405],[677,489]],"negative_points":[[212,500],[755,480],[471,222],[481,834]],"evidence":"图中唯一的黄色行星及倾斜的宽幅棕褐色环带对应目标土星。边界框紧贴行星与环带的整体可见范围；正点分布在黄色星体和环带各代表部位，闭合环带围合区域亦属目标。负点均位于整体目标外侧、远离边缘的深色背景。"}},{"name":"Communications satellite","description":"Gold upright satellite assembled on its own, with orange solar-panel wings, a gray bowl-shaped antenna with a yellow rim, and two gray signal arcs above.","membership":"Include the central body, lower cap, both panel wings and their cells, dish and receiver, and both signal arcs. Keep the arcs open and exclude background gaps between disconnected parts.","id":"obj_012","temporal":{"status":"found","start_s":4.75,"end_s":6.25,"reference_s":5.25,"evidence":"目标是金色直立通信卫星，包含底盖、两侧橙色太阳能板及格子、黄边灰色碗状天线与接收器，以及上方两条开放的灰色信号弧。首个完整帧为4.75秒，最后完整帧为6.00秒；此前4.50秒信号弧仍未绘制完整，之后6.25秒已替换为火箭的初始构件���选取5.25秒作为关键帧，卫星各组成部分完整清楚且无遮挡。","start_frame":114,"end_frame":150,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[280.7,140.7,685.9,893.5],"positive_points":[[477,166],[482,241],[474,450],[356,640],[606,640],[482,823]],"negative_points":[[205,610],[754,610],[480,90],[480,951]],"evidence":"图中独立的金色直立卫星具有橙色双翼、灰色黄边碗状天线及上方两道灰色信号弧。边界框覆盖双翼及电池格、主体、底盖、天线与接收器和两道弧线。六个正点分布在两道弧线、天线碗、左右翼和底盖上；四个负点位于整体外侧的上下左右背景，避开弧线内部及部件间空隙。"}},{"name":"Standalone white rocket","description":"White upright rocket with a red rounded nose, a blue circular window, blue fins, gray side boosters, and a white exhaust plume.","membership":"Include the complete rocket and its associated exhaust, including separated plume pieces during assembly. Exclude surrounding background.","id":"obj_013","temporal":{"status":"found","start_s":6.75,"end_s":8.25,"reference_s":7.5,"evidence":"目标为白色直立火箭，具有红色圆鼻、蓝色圆窗和尾翼、灰色侧助推器及白色排气 plume。6.75秒首次完整呈现，鼻锥的轻微错位属于完整结构的动画变化；8.00秒为最后符合条件的帧。此前6.50秒鼻锥、助推器和排气仍在组装，此后8.25秒已替换为太阳系图标。选择7.50秒作为关键帧，火箭及排气完整清晰、无遮挡。","start_frame":162,"end_frame":198,"reference_frame":180},"grounding":{"status":"found","bbox_xyxy":[354.7,111.1,616.2,946.3],"positive_points":[[486,157],[480,461],[409,535],[600,550],[484,686],[494,844]],"negative_points":[[270,500],[725,500],[400,180],[635,885]],"evidence":"图中唯一的直立火箭具有红色圆头、白色主体、蓝色圆窗和尾翼及灰色助推器。边界框紧贴完整火箭与下方分离的白色尾气云；六个正点分布在头部、主体、左尾翼、右助推器和尾气上下部，四个负点均位于外围深色背景。"}},{"name":"Standalone solar-system diagram","description":"Large diagram with an orange central sun, three white circular orbit tracks, and four blue, cyan, yellow, and red planets.","membership":"Include all orbit strokes, the areas enclosed by completed orbit rings, the central sun, and all planets, including projecting portions. During drawing, retain open orbit arcs as open strokes.","id":"obj_014","temporal":{"status":"found","start_s":9.0,"end_s":9.5,"reference_s":9.0,"evidence":"目标为独立的太阳系示意图，含橙色太阳、三条白色圆形轨道及蓝、青、黄、红四颗行星。首个合格帧为9.00秒，轨道已完整闭合；最后合格帧为9.25秒。此前8.75秒的轨道仍有缺口，尚在绘制；此后9.50秒已替换为地球图标。选择9.00秒作为关键帧，因全部结构清晰完整且无遮挡。","start_frame":216,"end_frame":228,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[331.25,233.33,637.5,777.78],"positive_points":[[484.38,505.56],[371.88,307.41],[419.79,684.26],[567.19,497.22],[608.85,685.19],[484.38,237.04]],"negative_points":[[300,500],[675,500],[485,185],[485,825]],"evidence":"目标是由橙色太阳、三条白色圆形轨道及蓝、青、黄、红四颗行星组成的独立太阳系图。边界框紧贴整个图形的可见外缘，覆盖轨道、闭合轨道内部及所有行星的突出部分。六个正点分别位于太阳、四颗行星和最外轨道顶部；四个负点位于图形四周的外部深色背景。"}},{"name":"Standalone Earth","description":"Large blue globe with bright green continents, presented alone after the orbital diagram.","membership":"Include the entire circular globe and its land and ocean surfaces. Exclude surrounding background and subsequent transition shapes.","id":"obj_015","temporal":{"status":"found","start_s":9.75,"end_s":10.25,"reference_s":10.0,"evidence":"目标是轨道示意图之后单独出现的蓝色海洋、亮绿色大陆地球。9.75秒首次完整成形，10.00秒为最后符合条件的帧；此前9.50秒大陆仍与球面错位、尚在组合，此后10.25秒已替换为蓝黄圆形转场。选择10.00秒作为关键帧，地球轮廓完整、无遮挡且易于标注。","start_frame":234,"end_frame":246,"reference_frame":240},"grounding":{"status":"found","bbox_xyxy":[315.6,168.5,693.8,840.7],"positive_points":[[505,235],[371,377],[624,342],[438,654],[534,768],[650,580]],"negative_points":[[266,475],[745,506],[504,112],[505,905]],"evidence":"图中独立呈现的蓝色海洋、亮绿色大陆圆形地球符合目标。边界框紧贴整个地球的可见外缘，包含全部陆地和海洋；六个正点分布于不同方向的陆地与海洋表面，四个负点位于地球上、下、左、右的深色外部背景。"}},{"name":"Art palette and brush in the Education overview","description":"Orange artist's palette with colored paint spots and a vertical brush to its left, at the upper left of the Education overview.","membership":"Include the palette, its enclosed thumb hole and paint spots, and the adjacent brush with handle, ferrule, and bristles. Exclude background between the palette and brush.","id":"obj_016","temporal":{"status":"found","start_s":11.75,"end_s":12.25,"reference_s":12.0,"evidence":"目标是 Education 总览左上角的橙色调色板及其左侧竖直画笔，包含拇指孔和彩色颜料点。11.75 秒首次完整呈现，12.00 秒为最后合格帧；此前 11.50 秒紫色颜料点仍在初始展开，随后 12.25 秒已切换为毕业帽，目标消失。选择 12.00 秒作为关键帧，组合结构清楚且无遮挡。","start_frame":282,"end_frame":294,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[109.4,167.6,293.2,467.6],"positive_points":[[119.7,257.4],[119.3,388.0],[117.7,438.0],[182.3,243.5],[260.4,316.7],[196.9,415.7]],"negative_points":[[141.7,324.1],[88.5,277.8],[218.8,138.9],[380.2,277.8]],"evidence":"目标位于画面左上方，为带彩色颜料点的橙色调色板及其左侧竖直画笔。边界框紧贴两者的整体可见范围，包含调色板拇指孔及画笔的笔杆、金属箍和笔毛。正点分布在调色板和画笔各部分；负点位于两者之间的背景、外围背景及右侧书本上。"}},{"name":"Book in the Education overview","description":"Closed red book with a pale page block and a darker cover marking, above the left side of the Education title.","membership":"Include the complete book cover, spine, page edges, and cover marking. Exclude the title overlay and neighboring graphics.","id":"obj_017","temporal":{"status":"found","start_s":11.5,"end_s":12.25,"reference_s":11.75,"evidence":"目标是 Education 标题左上方的红色闭合书本，带浅色书页、书脊和深色封面标记。首个完整帧为11.50秒，最后一个为12.00秒；此前11.25秒的顶部书页仍在展开构建，之后12.25秒已切换为毕业帽，书本消失。选择11.75秒作为关键帧，书本结构清晰，易与邻近图形区分。","start_frame":276,"end_frame":294,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[342.7,180.6,470.3,423.1],"positive_points":[[350,301.9],[395.8,193.5],[451,244.4],[413.5,326.9],[375.5,393.5],[453.6,397.2]],"negative_points":[[255.2,324.1],[421.9,497.2],[406.8,141.7],[603.6,318.5]],"evidence":"目标是 Education 标题左上方的红色闭合书本，顶部有浅色书页，封面有深色标记。边界框紧贴书本可见部分，下缘止于标题遮挡处。正点分布在书页、书脊、封面及标记上；负点位于标题覆盖层、左侧调色板、右侧分子图形和书本上方背景。"}},{"name":"Molecular diagram in the Education overview","description":"White branching chemical-bond diagram with several colored circular nodes, above the right half of the Education title.","membership":"Include the bond strokes, areas enclosed by closed chemical rings, and all colored nodes. Exclude exterior gaps, overlaid title graphics, and neighboring icons.","id":"obj_018","temporal":{"status":"found","start_s":11.25,"end_s":12.25,"reference_s":12.0,"evidence":"目标是 Education 标题右半部上方的白色分支化学键图，含闭合环及红、绿、蓝色节点。11.25 秒首次结构完整，持续至最后合格帧 12.00 秒；前一帧 11.00 秒上部彩色节点尚未全部显现，后一帧 12.25 秒已切换为毕业帽，目标消失。选择 12.00 秒作为关键帧，图形清楚，便于与相邻原子图标及标题区分。","start_frame":270,"end_frame":294,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[506.3,137,694.3,423.1],"positive_points":[[608.3,157.4],[612.5,225],[658.9,242.6],[603.6,317.6],[642.7,387.9],[569.3,337]],"negative_points":[[521.4,203.7],[708.3,338],[614.6,490.7],[816.7,316.7]],"evidence":"目标是 Education 标题右半部上方的白色化学键图，带四个彩色圆形节点。边界框覆盖可见分支、闭合化学环及节点，下沿止于标题遮挡处。正点分布于顶部键线、各彩色节点和左侧闭环内部；负点位于图外背景、遮挡标题及右侧原子图标上。"}},{"name":"Atom in the Education overview","description":"Atom graphic at the upper right of the Education overview, with a yellow nucleus, teal elliptical paths, and three pale colored electrons.","membership":"Include the elliptical paths and their enclosed areas, the nucleus, and all electrons. Exclude surrounding background and other graphics.","id":"obj_019","temporal":{"status":"found","start_s":11.5,"end_s":12.25,"reference_s":11.75,"evidence":"目标是 Education 总览右上角的原子图形，包含黄色原子核、青绿色椭圆轨道及三颗浅色电子。11.50 秒首次完整呈现，最后一个符合条件的帧为 12.00 秒；此前 11.25 秒轨道仍在绘制，之后 12.25 秒总览被毕业帽画面替换。选择 11.75 秒作关键帧，此时目标结构完整、无遮挡，且与周围图形易于区分。","start_frame":276,"end_frame":294,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[737,153,894,472],"positive_points":[[817,317],[752,229],[880,232],[818,450],[818,195],[761,384]],"negative_points":[[925,323],[818,117],[644,387],[917,518]],"evidence":"目标是画面右上角的原子图标，由黄色原子核、青绿色椭圆轨道和三颗浅色电子组成。边界框覆盖全部轨道及电子；正点分布在原子核、三颗电子和轨道包围区域，负点位于外部背景及左侧独立的分子图形上。"}},{"name":"Laboratory glassware in the Education overview","description":"White conical flask with yellow liquid beside a white test tube with pink liquid, at the lower left of the Education overview.","membership":"Include both vessels, their boundaries and interiors, liquid, and depicted bubbles. Exclude the background between the vessels and neighboring subjects.","id":"obj_020","temporal":{"status":"found","start_s":11.25,"end_s":12.25,"reference_s":12.0,"evidence":"目标是 Education 总览左下角的一对白色器皿：盛黄色液体的锥形瓶及盛粉色液体的试管，包括所绘气泡。11.25 秒两件器皿的结构均已完整，之后的缩放不影响纳入；最后合格帧为 12.00 秒。前一帧 11.00 秒尚未出现完整的双器皿组合，后一帧 12.25 秒已切换为毕业帽。选择 12.00 秒作关键帧，两件器皿清晰完整，便于标注。","start_frame":270,"end_frame":294,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[113,568,273,847],"positive_points":[[174,635],[146,790],[209,803],[245,604],[247,681],[246,746]],"negative_points":[[208,647],[97,755],[286,742],[177,887]],"evidence":"目标位于画面左下方，是装有黄色液体的白色锥形瓶及其右侧装有粉色液体的白色试管。边界框紧密覆盖两只容器的可见整体；正点分布在瓶颈、瓶身、试管及液体内部，负点位于两容器之间的背景和组合外侧背景，不包含邻近主体。"}},{"name":"Graduation cap","description":"Blue-gray mortarboard with a dark blue headband and a yellow tassel; first beneath the Education title and then enlarged alone.","membership":"Include the square top, its edge, the curved headband, and the complete tassel. Exclude surrounding background and overlaid overview text.","id":"obj_021","temporal":{"status":"found","start_s":12.75,"end_s":13.5,"reference_s":13.0,"evidence":"目标是单独放大的蓝灰色学士帽，包含方形帽顶、深蓝色弧形帽带和黄色完整流苏。12.75秒首次完整呈现，13.25秒为最后一个 qualifying 帧；此前12.50秒帽带仍在构建且流苏尚未出现，之后13.50秒已被火箭替换。选择13.00秒作为关键帧，帽子各部分清晰完整、无遮挡。","start_frame":306,"end_frame":324,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[217.2,250.9,757.8,798.1],"positive_points":[[375,402],[615,412],[414,657],[556,656],[627.6,564],[628,753]],"negative_points":[[180,450],[800,440],[490,190],[540,857]],"evidence":"图中独立展示的蓝灰色方顶、深蓝色弧形帽身及黄色流苏共同构成毕业帽。边界框紧贴方顶、帽沿、帽身和完整流苏的可见范围；六个正点分布于方顶两侧、帽身两侧及流苏上下部，四个负点位于帽子外围的深灰色背景。"}},{"name":"Cream rocket in the Education overview","description":"Small cream-colored rocket with a yellow pointed nose, pink window, red fins, and pale exhaust below the right half of the Education title.","membership":"Include the rocket body, nose, window, fins, decorative stripe, and associated exhaust. Exclude the title and count overlays.","id":"obj_022","temporal":{"status":"found","start_s":11.75,"end_s":12.25,"reference_s":12.0,"evidence":"目标是 Education 概览标题右下方的奶油色火箭，具有黄色尖头、粉色舷窗、红色侧翼、装饰条及浅色尾气。11.75 秒首次完整呈现，12.0 秒为最后合格帧；此前 11.5 秒侧翼和尾气尚未完整出现，此后 12.25 秒画面已切换为毕业帽。选择 12.0 秒作为关键帧，因为火箭及尾气轮廓清晰，便于与标题、计数覆盖层区分。","start_frame":282,"end_frame":294,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[576.5,600.9,654.2,859.3],"positive_points":[[614.6,608.3],[614.6,647.2],[622.9,717.6],[583.9,738],[645.8,738.9],[613,830.6]],"negative_points":[[618,535],[447,760],[820,701],[680,806]],"evidence":"目标位于 Education 标题右半部下方，可见黄色鼻锥、奶油色机身、粉色舷窗、红色尾翼及浅色尾气。边界框紧贴可见火箭及尾气；正点分布在鼻锥、舷窗、机身、两侧尾翼和尾气上，负点位于标题、学位帽、黑板及外部背景。标题和数量文字叠层不属于目标。"}},{"name":"Arithmetic board in the Education overview","description":"Green board with a rounded orange frame, white “2+2,” and a pale eraser, at the lower right of the Education overview.","membership":"Include the entire board surface, orange frame, equation, and eraser. Exclude surrounding background.","id":"obj_023","temporal":{"status":"found","start_s":11.5,"end_s":12.25,"reference_s":12.0,"evidence":"目标是 Education 总览右下角的绿色算术板，包含圆角橙框、白色“2+2”和浅色板擦。11.50 秒首次完整呈现，最后合格帧为 12.00 秒；此前 11.25 秒绿色板面及板擦仍未完成显现，之后 12.25 秒画面已切换为毕业帽。选择 12.00 秒作关键帧，目标结构清晰、无遮挡，且与总览中的其他图标容易区分。","start_frame":276,"end_frame":294,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[734.4,587,911,814],"positive_points":[[743.2,608.3],[900,789.8],[764,643.5],[791.7,698],[842.7,747.2],[869.8,779.6]],"negative_points":[[713.5,700],[937.5,692.6],[822.9,540.7],[817.7,863]],"evidence":"目标位于画面右下方，是带橙色圆角边框、白色“2+2”和浅色板擦的绿色算术板。边界框紧贴完整板体，覆盖边框、板面、算式及板擦；正点分布于这些组成部分，负点位于板体四周的外部背景。"}},{"name":"Education title","description":"White “Education” lettering centered on a rounded cyan-blue backing.","membership":"Include only the title lettering. Exclude the backing panel, surrounding icons, and count below.","id":"obj_024","temporal":{"status":"found","start_s":10.75,"end_s":12.25,"reference_s":11.75,"evidence":"目标是青蓝色圆角底板中央的白色“Education”文字，仅计文字。10.75秒文字已完整显示，虽随画面放大仍符合条件；最后合格帧为12.00秒。前一帧10.50秒只有转场色环，后一帧12.25秒已替换为学士帽，标题消失。选择11.75秒作为关键帧，文字较大、清晰且无遮挡。","start_frame":258,"end_frame":294,"reference_frame":282},"grounding":{"status":"found","bbox_xyxy":[368.8,470.4,627.6,543.5],"positive_points":[[371.5,507.4],[421.9,488.0],[469.8,515.7],[518.2,521.3],[556.8,516.7],[624.0,517.6]],"negative_points":[[322.9,509.3],[656.3,509.3],[439.6,670.4],[406.3,314.8]],"evidence":"目标是画面中央青蓝色圆角底板上的白色“Education”标题。边界框仅覆盖完整标题字母；六个正点分布在不同字母的笔画上，负点位于标题外侧底板、下方计数文字及上方书本图标上。"}},{"name":"Education element count","description":"The spaced text “13 Elements” beneath the Education title.","membership":"Include the complete text line only. Exclude the title, backing, and adjacent graphics.","id":"obj_025","temporal":{"status":"found","start_s":11.5,"end_s":12.25,"reference_s":12.0,"evidence":"目标是 Education 标题下方的疏排文字“13 Elements”，不含标题及背景。11.50 秒首次完整显示，12.00 秒为最后一个符合条件的采样帧；此前 11.25 秒仅显示部分文字，之后 12.25 秒已切换为学士帽，文字消失。选择 12.00 秒作关键帧，因为整行文字清晰完整，便于独立标注。","start_frame":276,"end_frame":294,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[370.8,650,605.2,689],"positive_points":[[376.6,672.2],[402.1,679.6],[435.9,669.4],[497.4,676.9],[576.6,675],[599,684.3]],"negative_points":[[470,508],[315,541],[405,767],[617,735]],"evidence":"目标是 Education 标题下方的“13 Elements”整行间隔文字，边界框仅覆盖该文字行。六个正点分布在数字和不同字母的笔画上；负点位于上方标题、蓝色底板及下方学士帽和火箭图形上，均排除在目标之外。"}},{"name":"Standalone cream rocket","description":"Cream-colored rocket presented alone after the graduation cap, with a yellow pointed nose, pink porthole, red curved fins, and a pale exhaust cloud.","membership":"Include the complete rocket, its window and trim, both fins, and its associated exhaust plume. Exclude surrounding background.","id":"obj_026","temporal":{"status":"found","start_s":13.75,"end_s":14.75,"reference_s":14.0,"evidence":"目标是毕业帽之后单独出现的奶油色火箭，具有黄色尖顶、粉色舷窗、红色双翼及浅色尾气云。首个合格帧为13.75秒，火箭和尾气均已完整呈现；此前13.50秒尚无完整尾气，双翼仍在展开。最后合格帧为14.50秒，14.75秒已消失、只剩背景。选择14.00秒作为关键帧，目标完整清晰、无遮挡。","start_frame":330,"end_frame":354,"reference_frame":336},"grounding":{"status":"found","bbox_xyxy":[414,178,588,866],"positive_points":[[496,255],[500,381],[497,519],[435,570],[568,579],[495,806]],"negative_points":[[363,448],[633,448],[495,119],[496,923]],"evidence":"图中央的独立火箭具有黄色尖头、奶油色机身、粉色舷窗、红色双鳍和浅色尾气云，与目标一致。边界框覆盖完整火箭及尾气；六个正点分布在尖头、舷窗、机身、两侧鳍和尾气云上，四个负点位于目标四周的深灰色背景。"}},{"name":"Standalone arithmetic board","description":"Green classroom board with a thick rounded orange frame, white “2+2,” and a pale eraser at its lower right.","membership":"Include the complete framed board, its green interior, equation, and eraser throughout assembly and resizing. Exclude surrounding background.","id":"obj_027","temporal":{"status":"found","start_s":15.25,"end_s":16.5,"reference_s":15.5,"evidence":"目标是独立展示的绿色算术板，具有橙色圆角粗边框、白色“2+2”和右下角浅色板擦。15.25秒首次完整呈现，之后缩放仍保持完整，最后合格帧为16.25秒。此前15.00秒只有边框和绿色内部，文字及板擦尚未出现；此后16.50秒已切换为原子图标。选择15.50秒作为关键帧，板体清晰完整、无遮挡，便于空间标注。","start_frame":366,"end_frame":396,"reference_frame":372},"grounding":{"status":"found","bbox_xyxy":[296.9,258.3,693.8,759.3],"positive_points":[[494.8,286.1],[312,657.4],[369.3,375],[627.6,417.6],[494.8,509.3],[599,685.2]],"negative_points":[[250,509.3],[744.8,509.3],[494.8,194.4],[494.8,833.3]],"evidence":"图中目标为橙色圆角粗框的绿色课堂板，中央有白色“2+2”，右下有浅色板擦。边界框紧贴完整板体外缘，涵盖边框、绿色内面、算式和板擦。正点分布在这些组成部分上，负点位于板体上下左右的深灰色外部背景。"}},{"name":"Standalone atom","description":"Yellow circular nucleus surrounded by three intersecting teal elliptical paths and blue, mint, and white electron circles.","membership":"Include all elliptical paths and their enclosed areas, the nucleus, and the electron circles, including portions beyond the paths. Keep unfinished paths open during assembly.","id":"obj_028","temporal":{"status":"found","start_s":17.0,"end_s":17.75,"reference_s":17.0,"evidence":"目标为独立原子图标：黄色圆形原子核、三条相交的青绿色椭圆轨道，以及蓝色、薄荷绿和白色电子。17.00秒结构首次完整建立，最后合格帧为17.50秒；前一帧16.75秒轨道尚未绘制闭合，后一帧17.75秒已替换为烧瓶和试管。选择17.00秒作为关键帧，图标完整清晰且无遮挡。","start_frame":408,"end_frame":426,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[307.3,149.1,650.5,848.1],"positive_points":[[482,508],[337,313],[622,319],[484,805],[486,162],[315,634]],"negative_points":[[270,490],[695,480],[490,105],[490,900]],"evidence":"图中独立原子由黄色圆形原子核、三条交叉的青绿色椭圆轨道及蓝、薄荷绿、白色电子组成。边界框紧贴全部轨道和电子的最外缘，涵盖轨道围合区域。六个正点分布在原子核、三个电子和轨道上；四个负点位于原子整体外围的深灰背景，避开轨道内部区域。"}},{"name":"Standalone laboratory glassware","description":"Large white conical flask containing yellow liquid, paired with a white round-bottomed test tube containing pink liquid and small bubbles.","membership":"Include both complete vessel shapes, their interiors, liquids, rims, and bubbles. Exclude exterior background between and around the vessels.","id":"obj_029","temporal":{"status":"found","start_s":17.75,"end_s":19.0,"reference_s":18.25,"evidence":"目标为独立展示的一对白色实验玻璃器皿：盛黄色液体的锥形烧瓶与盛粉色液体的圆底试管，包含瓶口和气泡。17.75秒两件器皿已完整呈现，最后 qualifying 帧为18.75秒；此前17.50秒显示原子图标，此后19.00秒已替换为分子结构图。选择18.25秒作为关键帧，两件器皿轮廓清晰、无遮挡，便于联合标注。","start_frame":426,"end_frame":456,"reference_frame":438},"grounding":{"status":"found","bbox_xyxy":[315.6,221.3,665.6,829.6],"positive_points":[[455,246],[444,453],[455,721],[607,259],[610,345],[611,570]],"negative_points":[[526,403],[333,481],[724,514],[474,889]],"evidence":"目标为左侧装黄色液体的白色锥形瓶与右侧装粉色液体的白色圆底试管。边界框紧贴两件器皿的整体可见范围，包含瓶口、内部液体及气泡。正点分布在两器皿的口沿、内部和液体上；负点位于器皿之间及左、右、下方的外部深灰背景。"}},{"name":"Standalone molecular diagram","description":"Large white branching molecular structure with joined polygonal rings and mint, cyan, red, and pale-blue circular nodes.","membership":"Include the bond strokes, all areas enclosed by closed rings, and the colored nodes. Follow the branches and exterior concavities rather than filling a rectangular or convex outline.","id":"obj_030","temporal":{"status":"found","start_s":19.25,"end_s":20.5,"reference_s":19.75,"evidence":"目标是独立展示的白色分支、相连多边形环及薄荷绿、青色、红色和浅蓝色节点组成的分子图。19.25秒键线结构已完整、四个节点均已出现，后续节点缩放不影响纳入；最后合格帧为20.25秒。此前19.00秒键线仍断开、节点尚未全部显现；此后20.50秒已替换为计算器。选择19.75秒作为关键帧，因为整体结构清晰完整且无遮挡。","start_frame":462,"end_frame":492,"reference_frame":474},"grounding":{"status":"found","bbox_xyxy":[271.4,110.2,688.0,841.7],"positive_points":[[506.8,305.6],[609.9,342.6],[488.0,509.3],[574.0,665.7],[294.8,424.1],[484.9,814.8]],"negative_points":[[231.0,468.0],[730.0,660.0],[490.0,72.0],[570.0,905.0]],"evidence":"目标为白色分支键线、相连多边形环及四个彩色节点组成的独立分子图。边界框紧贴最上、最下及左右分支端点，目标包含闭环内部但不填充外部凹陷。正点分布在四个彩色节点和左侧、底部键线上；负点均位于图形外围的深灰背景。"}},{"name":"Calculator","description":"Pale rectangular calculator with rounded corners, a mint display in a dark frame, and a grid of gray, blue, and coral keys.","membership":"Include the entire calculator body, boundary, display, and all keys. Exclude surrounding background.","id":"obj_031","temporal":{"status":"found","start_s":20.5,"end_s":22.0,"reference_s":21.0,"evidence":"目标为浅色圆角计算器，带深色边框的薄荷绿显示屏及灰、蓝、珊瑚色按键。20.50秒机身、显示屏和完整按键组均已出现，随后只是缩放变化；最后合格帧为21.75秒。前一帧20.25秒是分子结构图，后一帧22.00秒已替换为调色板。选择21.00秒作为关键帧，计算器结构清晰、无遮挡。","start_frame":492,"end_frame":528,"reference_frame":504},"grounding":{"status":"found","bbox_xyxy":[328.6,163,613.5,800.9],"positive_points":[[351.6,200],[519.3,295.4],[597.9,433.3],[379.7,483.3],[561.5,676.9],[437,765.7]],"negative_points":[[286.5,444.4],[656.3,518.5],[468.8,92.6],[468.8,870.4]],"evidence":"图中中央的浅色圆角机身、薄荷色显示屏及灰蓝珊瑚色按键对应目标计算器。边界框紧贴整个机身外缘，包含显示屏和全部按键；正点分布在机身、显示屏及按键上，负点位于计算器四周的深灰色外部背景。"}},{"name":"Standalone art palette and brush","description":"Orange kidney-shaped palette with five colored paint spots and a thumb hole, accompanied by a tall orange-handled brush on its left.","membership":"Include the palette, its enclosed thumb hole and paint spots, and the complete brush. Follow the palette's inward notch and exclude the background gap between palette and brush.","id":"obj_032","temporal":{"status":"found","start_s":22.75,"end_s":23.25,"reference_s":23.0,"evidence":"目标为橙色肾形调色板及其左侧完整画笔，板上有五个彩色颜料点和拇指孔。首个完整帧为22.75秒，最后完整帧为23.0秒；此前22.5秒仅出现三个颜料点，仍在构建，之后23.25秒已被圆形转场替换。选择23.0秒作为关键帧，目标完整清晰、无遮挡。","start_frame":546,"end_frame":558,"reference_frame":552},"grounding":{"status":"found","bbox_xyxy":[317.2,191.7,727.6,828.7],"positive_points":[[338,359],[332,763],[468,333],[653,511],[543,757],[497,624]],"negative_points":[[388,444],[429,600],[286,500],[781,550]],"evidence":"目标为带五个彩色颜料点和拇指孔的橙色调色板，以及左侧独立画笔。边界框紧贴调色板和完整画笔的整体外缘。正点覆盖笔柄、笔毛、颜料点、板面及纳入目标的拇指孔；负点位于两者间隙、调色板内凹口外的背景及左右外围背景。"}},{"name":"Bible in the Religion overview","description":"Gray-blue closed book bearing a white cross, at the upper left of the Religion overview.","membership":"Include the complete book, cover cross, spine, and pale page edges. Exclude surrounding background and other symbols.","id":"obj_033","temporal":{"status":"found","start_s":24.5,"end_s":25.25,"reference_s":24.75,"evidence":"目标是 Religion 总览左上角带白色十字架的灰蓝色闭合书本，包括书脊和浅色页边。24.50 秒首次完整呈现，25.00 秒为最后一个符合条件的帧；此前 24.25 秒封面十字架仍未构建完整，此后 25.25 秒已切换为单独的六芒星，书本消失。选择 24.75 秒作为关键帧，书本结构清楚、无遮挡，易与周围符号区分。","start_frame":588,"end_frame":606,"reference_frame":594},"grounding":{"status":"found","bbox_xyxy":[112,117,244.8,443],"positive_points":[[135,161],[212,367],[176,244],[175,303],[237,279],[172,431]],"negative_points":[[91,282],[174,83],[276,271],[179,495]],"evidence":"目标是画面左上方带浅色十字架的灰蓝色闭合书本。边界框覆盖完整封面、十字架、书脊及右侧和底部的浅色书页边缘。正点分布在封面、十字架和书页边缘上；负点位于书本四周、远离边缘的背景中，未包含其他宗教符号。"}},{"name":"Church in the Religion overview","description":"Pale-blue church with three onion-shaped domes, an arched central doorway, and crossbar windows, above the left half of the Religion title.","membership":"Include the whole church silhouette and all door and window interiors. Exclude the title overlay and neighboring icons.","id":"obj_034","temporal":{"status":"found","start_s":24.25,"end_s":25.25,"reference_s":24.75,"evidence":"目标是 Religion 标题左上方的浅蓝色教堂，具有三个���葱形圆顶、中央拱门和十字横格窗。24.25 秒首次完整呈现，25.00 秒为最后合格帧；此前 24.00 秒窗户等细节仍在展开，此后 25.25 秒已切换为六芒星图标，教堂消失。选择 24.75 秒作关键帧，教堂轮廓和门窗清楚，容易与邻近清真寺及标题区分。","start_frame":582,"end_frame":606,"reference_frame":594},"grounding":{"status":"found","bbox_xyxy":[316.7,146.3,473.4,423.1],"positive_points":[[395.3,201.9],[350.5,242.6],[437,242.6],[346.4,373.1],[397.4,381.5],[445.3,371.3]],"negative_points":[[409.4,500],[176,281.5],[591.1,370.4],[494.8,277.8]],"evidence":"目标是 Religion 标题左上方带三个洋葱形圆顶的淡蓝色教堂。框覆盖从中央圆顶尖端到标题遮挡处的全部可见教堂，包括门窗内部，不包含标题覆盖层。正点分布在三个圆顶、两侧窗户及中央门内；负点位于标题、左侧圣经、右侧清真寺及教堂右侧背景。"}},{"name":"Mosque in the Religion overview","description":"Blue mosque with a dark onion dome and a white crescent and star above it, near the upper middle-right of the Religion overview.","membership":"Include the building, dome, doorway and window interiors, and the crescent-and-star finial. Exclude exterior gaps, the title overlay, and other symbols.","id":"obj_035","temporal":{"status":"found","start_s":24.25,"end_s":25.25,"reference_s":24.75,"evidence":"目标是 Religion 总览中右上方的蓝色清真寺，具有深蓝洋葱形穹顶、门窗和白色新月星饰。24.25 秒首次结构完整，持续至 25.00 秒；前一帧 24.00 秒建筑和穹顶尚未完成显现，后一帧 25.25 秒已切换为单独的六角星。选择 24.75 秒作为关键帧，清真寺形状清楚，易与其他宗教图标区分。","start_frame":582,"end_frame":606,"reference_frame":594},"grounding":{"status":"found","bbox_xyxy":[529.7,127.8,650,423.1],"positive_points":[[580.2,156.5],[595.8,150],[590.6,258.3],[536.5,329.6],[589.1,382.4],[631.3,388.9]],"negative_points":[[593.8,481.5],[508.3,263.9],[444.3,280.6],[791.1,250]],"evidence":"目标是画面中上部偏右、带白色新月和星形顶饰的蓝色清真寺。框覆盖顶饰、深色洋葱形穹顶及标题遮挡上方可见的建筑。正点分布在新月、星、穹顶、墙面以及门窗内部；负点位于标题覆盖层、外部背景、左侧教堂和右侧六芒星，均不属于目标。"}},{"name":"Star of David","description":"Two overlapping outlined blue triangles forming a six-pointed star; initially at the upper right of the Religion overview and then enlarged alone.","membership":"Include both triangular bands and their enclosed areas, including the central hexagonal space. Follow the six-pointed outer outline and its concavities; exclude surrounding background.","id":"obj_036","temporal":{"status":"found","start_s":25.75,"end_s":26.75,"reference_s":26.0,"evidence":"目标是由两条蓝色三角形带交叠形成的六芒星，选取其单独放大展示的连续出现。25.75秒首次两条三角形均完整，26.50秒仍完整可见；此前25.50秒仍在绘制，三角形带尚有缺口，之后26.75秒已消失、仅剩背景。选择26.00秒作为关键帧，星形完整清晰、无遮挡，便于标注六角外缘及凹部。","start_frame":618,"end_frame":642,"reference_frame":624},"grounding":{"status":"found","bbox_xyxy":[314.6,203.7,640.6,819.4],"positive_points":[[476,250],[344,366],[607,368],[344,649],[601,649],[482,767]],"negative_points":[[270,500],[690,500],[477,140],[482,880]],"evidence":"图中两条深浅蓝色三角形带交叠形成六芒星。边界框紧贴六个外尖端，目标包含三角形带及其围合区域，包括中央六边形，并沿外轮廓凹口排除背景。六个正点分布在各尖端附近的蓝色带上；四个负点位于星形上下左右的外部灰色背景。"}},{"name":"Quran in the Religion overview","description":"Green closed book with a white crescent and star and a pale inset border, at the lower left of the Religion overview.","membership":"Include the full book, cover design, border, spine, and page edges. Exclude surrounding background.","id":"obj_037","temporal":{"status":"found","start_s":24.0,"end_s":25.25,"reference_s":24.75,"evidence":"目标是 Religion 总览左下角的绿色闭合书本，封面有白色新月、星形和浅色内框，并可见书脊及页边。24.0 秒首次完整呈现，之后的缩放不影响完整性；最后合格帧为 25.0 秒。前一帧 23.75 秒仍在圆形转场中，目标尚未完整显示；后一帧 25.25 秒已切换为独立六芒星，书本消失。选择 24.75 秒作为关键帧，书本结构清晰且无遮挡。","start_frame":576,"end_frame":606,"reference_frame":594},"grounding":{"status":"found","bbox_xyxy":[124.5,573.1,236.5,849.1],"positive_points":[[142.7,607.4],[207.8,792.6],[165.6,696.3],[182.8,687.0],[230.7,743.5],[172.4,838.0]],"negative_points":[[106.8,711.1],[250.5,742.6],[175.0,893.5],[169.8,525.9]],"evidence":"目标是画面左下方带白色新月、星形和浅色内框的绿色���合书本。边界框紧贴整本书，包含封面、边框、书脊及右侧和底部页边；正点分布在封面、图案和页边上，负点位于书本四周的外部背景。"}},{"name":"Dharma wheel in the Religion overview","description":"Light-blue spoked wheel with projecting rounded spoke ends, beneath the left half of the Religion title.","membership":"Include the wheel rim and its enclosed area, hub, spokes, and projecting ends. Exclude overlaid text and surrounding graphics.","id":"obj_038","temporal":{"status":"found","start_s":24.5,"end_s":25.25,"reference_s":24.75,"evidence":"目标是 Religion 标题左半部下方的浅蓝色法轮，具有轮圈、轮毂、辐条及伸出轮圈的圆头。24.50 秒首次结构完整，25.00 秒为最后合格帧；此前 24.25 秒的法轮仍在展开，外伸辐条端部尚未完整出现，之后 25.25 秒已切换为六芒星图标。选择 24.75 秒作为关键帧，法轮形状清楚，便于区分标题遮挡与周围图形。","start_frame":588,"end_frame":606,"reference_frame":594},"grounding":{"status":"found","bbox_xyxy":[318.2,600.9,482.3,846.3],"positive_points":[[330.2,702.8],[353.1,619.4],[456.3,614.8],[469.3,705.6],[450,789.8],[399.5,827.8]],"negative_points":[[395.8,523.1],[436,659],[182,770],[505,867]],"evidence":"目标是 Religion 标题左半部下方的浅蓝色法轮。边框紧贴标题下方可见的轮缘、辐条和圆头突出端；六个正点分布在上方、左右及下方的轮体上。负点位于遮挡标题、叠加的 Elements 字母、左侧书本及轮外背景，排除文字和周围图形。"}},{"name":"Prayer beads in the Religion overview","description":"Loop of yellow beads with a short hanging strand and a pale-blue tassel beneath the right half of the Religion title.","membership":"Include each bead, the enclosed area of the completed bead loop, the hanging strand, and tassel. Exclude overlaid text and surrounding background.","id":"obj_039","temporal":{"status":"found","start_s":24.5,"end_s":25.25,"reference_s":25.0,"evidence":"目标是 Religion 总览标题右下方的黄色念珠环，包含下垂珠串和淡蓝色流苏。24.5 秒首次显示完整结构，25.0 秒为最后合格帧；此前 24.25 秒流苏仍在展开、尚未完整呈现，之后 25.25 秒已切换为独立六芒星。选择 25.0 秒作为关键帧，念珠与流苏形状清晰，便于区别于周围图标。","start_frame":588,"end_frame":606,"reference_frame":600},"grounding":{"status":"found","bbox_xyxy":[525.5,600.9,651.6,894],"positive_points":[[535.9,616],[644.8,659],[590,718],[582.3,754.6],[585.9,807.4],[590.1,853.7]],"negative_points":[[558,670],[577.6,508.3],[673.4,739.8],[559.9,860.2]],"evidence":"目标是 Religion 标题右下方的黄色念珠环及浅蓝色流苏。框覆盖标题下方可见的珠环、内部区域、下垂珠串和流苏；正点分布于左右珠粒、环内区域、底部珠粒、垂串及流苏，负点位于叠加文字和环外背景。"}},{"name":"Cross in the Religion overview","description":"Plain light-blue upright Christian cross at the lower right of the Religion overview.","membership":"Include the vertical and horizontal bars of the cross, following its concave outline. Exclude surrounding background.","id":"obj_040","temporal":{"status":"found","start_s":24.0,"end_s":25.25,"reference_s":24.75,"evidence":"目标是 Religion 总览右下角的浅蓝色直立十字架，包含完整的纵横两条臂。首个合格帧为24.00秒，末个为25.00秒；此前23.75秒仍处于圆形揭示过渡，未见完整目标，此后25.25秒已切换为独立六芒星，十字架消失。选择24.75秒作为关键帧，因为十字架完整清晰、无遮挡，易与其他宗教图标区分。","start_frame":576,"end_frame":606,"reference_frame":594},"grounding":{"status":"found","bbox_xyxy":[731.3,585.2,838.5,856.5],"positive_points":[[783,604],[783,662],[744,664],[825,663],[783,732],[783,834]],"negative_points":[[749,605],[822,753],[712,697],[807,896]],"evidence":"目标是画面右下方浅蓝色的直立基督教十字架。边界框紧贴横杆和竖杆的最外缘；六个正点分布在上端、交叉处、横杆两侧及下方竖杆上，四个负点位于十字架轮廓外、远离边缘的背景中。"}},{"name":"Religion title","description":"White “Religion” lettering centered on a rounded cyan-blue backing.","membership":"Include only the title lettering. Exclude the backing panel, surrounding religious graphics, and count below.","id":"obj_041","temporal":{"status":"found","start_s":23.75,"end_s":25.25,"reference_s":24.75,"evidence":"目标是青蓝色圆角底板上的白色“Religion”文字，仅计入 lettering，不含底板、宗教图标及下方数量。23.75秒文字已完整可见，虽仍在缩放但符合条件；最后合格帧为25.00秒。此前23.50秒仅见过渡色环，没有目标文字；此后25.25秒已切换为六芒星图标，文字消失。选择24.75秒作为关键帧，文字清晰、完整且无遮挡。","start_frame":570,"end_frame":606,"reference_frame":594},"grounding":{"status":"found","bbox_xyxy":[385.4,470.4,594.3,562.0],"positive_points":[[387.5,509.3],[433.3,513.0],[457.3,507.4],[505.2,528.7],[540.6,503.7],[590.6,521.3]],"negative_points":[[341.1,509.3],[500.0,446.3],[500.0,581.5],[442.7,668.5]],"evidence":"目标是画面中央青蓝色圆角面板上的白色“Religion”标题。边界框仅覆盖完整标题字母，包括下伸的 g；六个正点分布在不同字母笔画上，负点位于标题外围的面板及下方计数文字上，排除这些非目标内容。"}},{"name":"Religion element count","description":"The spaced text “10 Elements” below the Religion title.","membership":"Include the complete text line only. Exclude adjacent graphics, title lettering, and backing panel.","id":"obj_042","temporal":{"status":"found","start_s":24.5,"end_s":25.25,"reference_s":24.75,"evidence":"目标是“Religion”标题下方字距较宽的“10 Elements”完整文字行，不含标题和周围图形。首个合格帧为24.50秒，最后为25.00秒；此前24.25秒文字仍在逐步揭示，尚未完整，此后25.25秒已切换为独立六角星，目标消失。选择24.75秒为关键帧，完整文字清晰可辨，便于单独标注。","start_frame":588,"end_frame":606,"reference_frame":594},"grounding":{"status":"found","bbox_xyxy":[370.8,649.1,605.7,689.8],"positive_points":[[376.6,674.1],[396.2,664.8],[436.8,655.6],[459.3,675],[498.3,674.1],[599.2,663.9]],"negative_points":[[487.5,512],[400.5,787],[569.3,748.1],[671.9,670.4]],"evidence":"目标是 Religion 标题下方的疏排文字“10 Elements”。边界框仅覆盖完整文字行；六个正点分布在数字及不同字母的笔画上，四个负点位于上方标题、下方轮形图案、念珠及右侧外部背景，排除相邻图形和面板。"}},{"name":"Standalone mosque","description":"Large blue mosque presented after the Star of David, with a dark-blue onion dome, three pointed openings, and a white crescent and star above.","membership":"Include the complete building silhouette, its dome, enclosed doorway and window areas, and crescent and star. Preserve the crescent's open concavity and exclude exterior gaps around the finial.","id":"obj_043","temporal":{"status":"found","start_s":27.25,"end_s":28.25,"reference_s":27.75,"evidence":"目标是六芒星之后单独展示的蓝色清真寺，具有深蓝色洋葱形圆顶、三个尖顶开口及白色新月和星。27.25秒首次完整呈现，至28.00秒仍完整可见；此前27.00秒建筑与顶饰尚在组装，此后28.25秒已替换为绿色书本。选择27.75秒作为关键帧，因为建筑和顶饰轮廓清晰、完整且无遮挡。","start_frame":654,"end_frame":678,"reference_frame":666},"grounding":{"status":"found","bbox_xyxy":[343.8,148.1,616.7,860.2],"positive_points":[[459,213],[491,198],[480,448],[371,606],[481,751],[569,735]],"negative_points":[[299,487],[674,660],[479,99],[480,924]],"evidence":"图中中央的蓝色清真寺具有深蓝洋葱顶、三个尖顶开口及白色新月和星，符合目标描述。边框覆盖完整建筑、穹顶和顶部月星；正点分布于月星、穹顶、浅蓝墙面及纳入目标的门窗区域。负点均位于建筑外围背景，未标记新月凹口或顶部间隙。"}},{"name":"Standalone Quran","description":"Large green book with pale page edges, a dashed light-green inset border, and a white crescent and star centered on its cover.","membership":"Include the entire book, cover, inset border, emblem, spine, and page block. Exclude surrounding background.","id":"obj_044","temporal":{"status":"found","start_s":28.25,"end_s":29.25,"reference_s":28.75,"evidence":"目标是独立展示的绿色古兰经书本，具有浅色书页、浅绿虚线内框及白色新月和星。28.25秒时书本结构已完整，缩放变化不影响纳入；最后合格帧为29.00秒。前一帧28.00秒仍是清真寺，后一帧29.25秒已替换为其他宗教符号。选择28.75秒作为关键帧，书本较大，封面、书脊及页块清晰且无遮挡。","start_frame":678,"end_frame":702,"reference_frame":690},"grounding":{"status":"found","bbox_xyxy":[358.5,222.2,598,833.4],"positive_points":[[408,293],[541,343],[432,491],[410,694],[583,585],[513,810]],"negative_points":[[300,450],[650,530],[460,160],[470,900]],"evidence":"图中独立的绿色书本具有浅绿色虚线内框、白色新月和星形徽记及浅色书页，符合目标描述。边界框紧密覆盖完整封面、书脊和右侧及底部页块；正点分布于封面、徽记和页块，负点均位于书本四周的深灰色背景。"}},{"name":"Om symbol","description":"Large rust-orange Om glyph presented alone on the gray background after the green book.","membership":"Include the complete glyph and its upper crescent-like stroke and diamond-shaped mark. Include enclosed counters, preserve open curves and concavities, and exclude gaps between detached marks.","id":"obj_045","temporal":{"status":"found","start_s":29.25,"end_s":30.25,"reference_s":29.75,"evidence":"目标是绿色书本之后、灰色背景上单独出现的锈��色 Om 符号，包含主体、上方弯月状笔画及菱形标记。29.25 秒首次显示完整结构，之后的缩放和形变不影响纳入；30.00 秒是最后一个合格帧。前一帧 29.00 秒仍为绿色书本，后一帧 30.25 秒已替换为另一本书的组装画面。选择 29.75 秒作为关键帧，符号完整清晰且无遮挡。","start_frame":702,"end_frame":726,"reference_frame":714},"grounding":{"status":"found","bbox_xyxy":[357,267,628,769],"positive_points":[[528,303],[536,386],[434,406],[480,562],[433,734],[611,584]],"negative_points":[[312,500],[672,546],[510,204],[495,833]],"evidence":"灰色背景中央可见独立的锈橙色 Om 符号。边界框紧贴完整主字形、上方弯月状笔画及菱形标记；正点分布在这些组成部分的实色笔画上，负点位于符号外围的灰色背景，避开内部孔洞及标记间隙。"}},{"name":"Standalone Bible","description":"Large gray-blue closed book with pale page edges and a white cross that assembles on its front cover.","membership":"Include the entire book cover, spine, page block, and developing cross. Exclude surrounding background and the subsequent white transition shape.","id":"obj_046","temporal":{"status":"found","start_s":30.5,"end_s":31.5,"reference_s":31.0,"evidence":"目标是独立展示的灰蓝色闭合书本，带浅色书页边缘和封面白色十字。30.5秒书封、书脊及书页块已完整建立，十字仍在组装，但属于指定包含的内部图案；此前30.25秒书本主体仍未展开组装完整。最后合格帧为31.25秒，31.5秒已替换为念珠。选择31.0秒作为关键帧，书本和十字清晰完整且无遮挡。","start_frame":732,"end_frame":756,"reference_frame":744},"grounding":{"status":"found","bbox_xyxy":[366.7,125,651,848.1],"positive_points":[[399,210],[587,250],[414,714],[505,460],[633,560],[547,822]],"negative_points":[[300,500],[710,500],[500,70],[500,920]],"evidence":"图中中央的灰蓝色闭合书本带有白色十字架及浅色页边，与目标一致。边界框覆盖完整封面、书脊、右侧和底部页块及十字架；正点分布在封面、十字架和页边，负点位于书本四周的深灰背景。"}}]}
+{"video_id":312,"video_type":"icons and abstract motion graphics","targets":[{"name":"Thunderstorm weather card","description":"A tall, light-blue rounded card initially centered on the green background. It contains layered dark-purple storm clouds, a yellow lightning bolt, falling blue raindrops, and a small white circular direction indicator near the lower left.","membership":"Include the card's rounded boundary, surface, and all contents within it, including the clouds, lightning, rain, and circular indicator. Exclude the green background and detached transition splashes outside the card.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":2.25,"reference_s":1,"evidence":"目标是绿色背景中央的浅蓝色圆角长卡，内含紫色雷云、黄色闪电、蓝色雨滴及左下白色圆形指示器。首个合格帧为0秒，卡片已完整建立；视频起点之前无采样帧。最后合格帧为2秒，卡片边界和表面仍完整，外部飞溅不计入目标。紧邻的2.25秒帧已进入收缩遮罩退场，雷云被卡片下缘裁去。选择1秒作为关键帧，卡片及各项内容清晰可辨。","start_frame":0,"end_frame":54,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[402.8,184,595.7,816.8],"positive_points":[[492,266],[553,365],[493,420],[491,507],[438,695],[541,756]],"negative_points":[[357,430],[643,488],[499,132],[498,878]],"evidence":"目标是绿色背景中央的浅蓝色圆角雷暴天气卡片，内有紫色云层、黄色闪电、蓝色雨滴及白色圆形方向指示器。边界框紧贴卡片完整外缘；正点分布于卡片表面及内部图案，负点位于卡片四周的绿色背景。"}},{"name":"Cloudy weather card","description":"A light-blue rounded card presented after the thunderstorm card disappears. Its central graphic consists of overlapping pale-blue clouds, with faint cloud silhouettes moving behind them and a white circular direction indicator near the lower left.","membership":"Include the complete rounded card surface and boundary and all enclosed cloud graphics and indicator marks. Exclude the green background and detached decorative or transition strokes outside the card.","id":"obj_002","temporal":{"status":"found","start_s":3.25,"end_s":6.5,"reference_s":4.5,"evidence":"目标是雷暴卡消失后出现的浅蓝圆角卡，内有重叠浅色云、淡云剪影及左下白色方向标。3.25秒卡面与完整圆角边界已建立，后续内部图案出现不延迟容器起点；前一帧3.00秒仍是细条状入场揭示。最后合格帧为6.25秒，卡片虽缩放移动但边界完整；6.50秒已收缩成顶部细条，内部图案被遮去。选择4.50秒作关键帧，卡面完整、云图与方向标清晰，且无外部过渡笔画干扰。","start_frame":78,"end_frame":156,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[410.6,207.5,587.9,789.9],"positive_points":[[445,285],[551,310],[496,469],[447,691],[550,734],[440,583]],"negative_points":[[365,453],[635,495],[506,150],[505,848]],"evidence":"图中中央的浅蓝色圆角卡片包含重叠云朵、上方淡云剪影及左下白色圆形方向标，符合目标描述。边界框紧贴完整卡片外缘；正点分布在卡面、云朵和方向标上，负点位于卡片四周的绿色背景。"}},{"name":"Moon and clouds weather graphic","description":"A pale-yellow crescent moon appears independently after the cloudy card leaves. Overlapping pale-blue clouds then gather in front of it, forming a large nighttime weather symbol.","membership":"Include the crescent moon and the overlapping foreground cloud shapes forming the compact weather graphic. Follow their actual outlines, leaving the crescent's open cutout and gaps between shapes excluded. Exclude detached transition swashes, particles, and faint peripheral cloud decorations.","id":"obj_003","temporal":{"status":"found","start_s":8.25,"end_s":10.75,"reference_s":9.0,"evidence":"目标是淡黄色弯月与前方淡蓝色云朵组成的夜间天气图形。8.25秒各成员已完整显现，随后云朵移动聚拢，属于完整形状的运动；此前8.00秒云朵仍在淡入和显现。最后合格帧为10.50秒，图形虽缩小但仍完整，周围独立过渡飘带不计入目标；10.75秒月亮和云朵已开始淡出。选择9.00秒作为关键帧，此时组合紧凑、轮廓清晰且无遮挡。","start_frame":198,"end_frame":258,"reference_frame":216},"grounding":{"status":"found","bbox_xyxy":[273.4,184.0,706.5,626.7],"positive_points":[[373,263],[342,447],[495,321],[613,433],[390,512],[668,561]],"negative_points":[[230,400],[481,190],[760,492],[527,711]],"evidence":"图中浅黄色弯月与前方重叠的浅蓝色云朵构成目标天气图形。边界框紧贴月亮和云朵的整体可见范围；正点分布在月牙及各部分云朵实体上，负点位于图形外围的绿色背景，避开月牙开口和形状间隙。"}},{"name":"Fog weather graphic","description":"A centered stack of pale, rounded horizontal strips of different lengths represents fog. A small peach-colored face with two black eyes later peeks through a gap between the strips.","membership":"Include every rounded strip belonging to the compact fog symbol and the visible face and eyes between them. Exclude the green gaps outside these shapes, detached transition strokes, and surrounding particles.","id":"obj_004","temporal":{"status":"found","start_s":11.5,"end_s":14.5,"reference_s":13.0,"evidence":"目标是居中的多层浅色圆角横条雾气符号，随后有桃色小脸和两只黑眼睛从条间露出。11.5秒首次呈现完整横条结构；前一帧11.25秒仍有未完成的大片过渡形状。14.25秒横条仍完整，周围过渡笔画不计入目标；14.5秒横条已缩散、开始解体，因此最后纳入14.25秒。选择13.0秒作关键帧，横条、小脸和眼睛清楚，且无过渡笔画干扰。","start_frame":276,"end_frame":348,"reference_frame":312},"grounding":{"status":"found","bbox_xyxy":[260.3,206.6,723.6,575.5],"positive_points":[[545,238],[405,305],[509,365],[694,419],[397,440],[548,537]],"negative_points":[[215,416],[765,427],[542,163],[513,635]],"evidence":"图像中央的浅色圆角横条堆叠及其间露出的桃色双眼面孔构成雾天气图形。边界框覆盖全部横条和可见面孔；正点分布在上、中、下横条及面孔上，负点位于图形四周远离边缘的绿色背景。"}},{"name":"Water-drop weather graphic","description":"A bright cyan pair of teardrop shapes, with one large drop below and to the left of a smaller drop, appears after the fog graphic disperses. The drops change size during the animation while faint repeated droplets appear around them.","membership":"Include the two solid cyan drops forming the primary weather symbol, following each drop's pointed top and rounded lower outline. Exclude the space between them, faint background repetitions, detached transition splashes, and particles.","id":"obj_005","temporal":{"status":"found","start_s":15.75,"end_s":18.25,"reference_s":16.0,"evidence":"目标是左下大水滴与右上小水滴组成的实心亮青色符号，不含淡色重复水滴及飞溅粒子。15.50秒小水滴仍带有未完成收拢的飞溅形态；15.75秒两滴轮廓均已完整建立，随后虽缩放仍属同一次出现。最后合格帧为18.00秒，18.25秒主体已变成横向飞溅形状并开始解体。选择16.00秒作为关键帧，两滴尖顶和圆润底部清晰，且没有背景重复图形干扰。","start_frame":378,"end_frame":438,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[446.3,198.8,582.5,579.0],"positive_points":[[488.3,251.7],[468.8,412.3],[527.3,466.1],[490.7,543.4],[566.9,233.5],[568.8,284.7]],"negative_points":[[410.2,390.6],[615.2,277.8],[502.9,642.4],[488.3,147.6]],"evidence":"图中可见左下大水滴与右上小水滴组成的亮青色天气符号。边界框紧贴两滴的整体可见范围，不包含阴影���四个正点分布在大滴内部，两个正点位于小滴内部；负点位于符号外围的绿色背景，避开两滴之间的空隙。"}},{"name":"Tornado weather graphic","description":"A dark teal funnel develops at the end of the sequence, formed from layered, overlapping elliptical bands that narrow from a broad top to a small lower tip.","membership":"Include the complete stack of teal bands forming the funnel, following its outer silhouette and including the surfaces of the bands. Exclude detached swirling fragments, surrounding particles, and the green background.","id":"obj_006","temporal":{"status":"found","start_s":19.75,"end_s":20.0,"reference_s":19.75,"evidence":"目标是由深青色重叠椭圆带组成、上宽下尖的龙卷风漏斗，不含游离碎片和周围粒子。19.75秒首次呈现完整的带状堆叠，也是最后一个合格采样帧；此前19.50秒顶部椭圆带仍分离，漏斗尚在组装。选择19.75秒作为关键帧，其完整外轮廓清晰。区间延续至视频结束，之后没有采样帧。","start_frame":474,"end_frame":480,"reference_frame":474},"grounding":{"status":"found","bbox_xyxy":[296.4,140.6,635.3,758.7],"positive_points":[[405,200],[552,217],[596,356],[389,475],[534,602],[489,743]],"negative_points":[[332.5,498.3],[461.4,804.7],[234,373],[689,521]],"evidence":"目标是中央由深青色重叠椭圆带组成、上宽下尖的龙卷风漏斗。边界框紧贴完整带状堆叠的外轮廓，不含外围粒子和底部脱离碎片。六个正点分布在顶部、宽阔中段及下部尖端的带面上；负点位于左侧粒子、底部脱离碎片和两侧绿色背景。"}}]}
+{"video_id":313,"video_type":"icons and abstract motion graphics","targets":[{"name":"Laughing face emoji","description":"Large yellow face initially on the left of the red presentation, with raised dark eyebrows, narrowed eyes, white teeth, and a wide open laughing mouth.","membership":"Include the complete yellow face, its shaded rim, eyebrows, eyes, teeth, mouth, and tongue. Exclude the adjacent text, background, and transition ribbons.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":1.5,"reference_s":0.25,"evidence":"目标是红色背景左侧的大型黄色笑脸，具有深色上扬眉毛、眯眼、白色牙齿及张开的嘴和舌头。首个合格帧为0.00秒，已完整呈现；末个合格帧为1.25秒，笑脸仍完整可见。1.50秒时转场带开始遮去笑脸，因此不再纳入。起点即视频开头，无更早采样帧。选择0.25秒作为关键帧，笑脸轮廓和全部面部结构清晰，无遮挡且与文字分离。","start_frame":0,"end_frame":36,"reference_frame":6},"grounding":{"status":"found","bbox_xyxy":[166.1,255.6,442.7,747.2],"positive_points":[[240,304],[353,377],[300,477],[292,541],[306,620],[402,629]],"negative_points":[[130,500],[490,500],[305,210],[637,500]],"evidence":"目标是画面左侧具有深色眉毛、眯眼、白牙和张大笑嘴的黄色表情。边界框紧贴完整脸部及阴影外缘；正点分布在眉毛、眼睛、牙齿、口腔、舌头和黄色脸部，负点位于脸外红色背景及右侧文字上。"}},{"name":"ROFL text","description":"Large cream uppercase “ROFL” beside the laughing face.","membership":"Include only the letters of this text block. Exclude the emoji, background, and animated shapes passing over it.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":1,"reference_s":0.5,"evidence":"目标是笑脸右侧的大号奶油色大写“ROFL”，仅包含字母。首个合格帧为0.00秒，文字已完整显示；最后合格帧为0.75秒。紧接的1.00秒帧中，旋转转场形状开始遮盖并移除文字，此后未恢复完整显示。区间起点即视频开头，没有更早帧。选择0.50秒作为关键帧，因为字形清晰、完整且无遮挡。","start_frame":0,"end_frame":24,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[622.9,443.5,836.5,565.7],"positive_points":[[629.7,494.4],[666.1,546.3],[710.9,456.5],[710.4,549.1],[755.2,500],[812.5,550]],"negative_points":[[300,500],[710,375],[720,645],[884,505]],"evidence":"目标是笑脸右侧的奶油色大写“ROFL”。边界框紧贴四个字母的整体可见范围；六个正点分布在各字母的实际笔画上，四个负点位于左侧笑脸及文字上方、下方和右侧的红色背景，避开字母内部空洞与字间空隙。"}},{"name":"Shocked face emoji","description":"Yellow face revealed on the right during the spiral transition, with wide white eyes, dark pupils, raised eyebrows, and a small open mouth.","membership":"Include the complete face and all facial features, including the shaded outer rim. Exclude the surrounding transition rings, background, and adjacent text.","id":"obj_003","temporal":{"status":"found","start_s":2.0,"end_s":3.5,"reference_s":2.75,"evidence":"目标是右侧黄色惊讶表情，具有睁大的白眼、深色瞳孔、抬起的眉毛和小张嘴。2.00秒首次完整显露脸部、五官及阴影外缘；此前1.75秒仍被螺旋转场遮住���分结构。最后合格帧为3.25秒，3.50秒已切换为图标网格，目标消失。选择2.75秒作为关键帧，此时转场圆环已消失，表情完整清晰、无遮挡。","start_frame":48,"end_frame":84,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[566.7,241.7,843.2,733.3],"positive_points":[[704,287],[655,414],[751,414],[704,565],[582,513],[753,670]],"negative_points":[[320,501],[709,185],[890,482],[709,803]],"evidence":"右侧黄色圆脸具有睁大的双眼、上扬眉毛和张开的小嘴，符合目标描述。边界框紧贴完整脸部外缘，包含阴影外圈及全部五官。正点分布在额头、双眼、嘴部、左侧外圈和下部脸颊；负点位于左侧文字及脸部上方、右侧和下方的蓝色背景。"}},{"name":"SHOCK text","description":"Large cream uppercase “SHOCK” presented to the left of the shocked face on blue.","membership":"Include the complete text block through its animated reveal. Exclude the face, background, and crossing transition shapes.","id":"obj_004","temporal":{"status":"found","start_s":2.25,"end_s":3.5,"reference_s":2.75,"evidence":"目标是蓝底上、惊讶表情左侧的奶油色大写“SHOCK”。首个符合条件的采样帧为2.25秒，文字已完整呈现；此前2.00秒仍处于字母重叠和转场遮罩揭示阶段。最后符合帧为3.25秒，3.50秒已切换为图标网格，文字消失。选择2.75秒作为关键帧，文字清晰完整且无转场形状遮挡。","start_frame":54,"end_frame":84,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[162.5,438.9,476.6,561.1],"positive_points":[[188.5,454],[188,543],[228,496],[288,500],[361,473],[428,509]],"negative_points":[[318,375],[310,625],[125,500],[705,500]],"evidence":"目标是惊讶表情左侧的奶油色大写“SHOCK”。边界框紧贴完整单行文字，包含字间间隔；六个正点分布在各字母的实心笔画上，四个负点位于文字外围蓝色背景及右侧被排除的表情上。"}},{"name":"Stopwatch icon","description":"Blue-rimmed stopwatch with a white dial, dark tick marks, and red hand in the upper-left cell of the icon montage.","membership":"Include the stopwatch body, enclosed dial, hands, top loop, and buttons. Exclude the colored cell and cast shadow.","id":"obj_005","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.25,"evidence":"目标是图标蒙太奇左上角的蓝框秒表，具有白色表盘、深色刻度、红色指针及顶部环和按钮。首个完整呈现帧为4.00秒，最后合格帧为5.00秒；此前3.75秒秒表仍被画面左边界裁切，随后5.25秒已切换为蓝底标题画面。选择4.25秒作为关键帧，秒表结构清晰完整，无遮挡，便于排除背景色块和投影。","start_frame":96,"end_frame":126,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[28.1,20.4,87.5,172.2],"positive_points":[[53.6,30.6],[58.9,45.4],[78.6,58.3],[58.9,101.9],[31.8,110.2],[63,164.8]],"negative_points":[[14.6,37],[99.5,104.6],[54.2,188],[142.2,89.8]],"evidence":"目标位于左上角单元格，由蓝色外圈、白色表盘和红色指针识别。边界框覆盖秒表主体、封闭表盘、顶部环及按钮，不含底色和投影。正点分布在顶部环、按钮、表盘及蓝色边缘；负点位于周围单元格背景和右侧望远镜上。"}},{"name":"Binoculars icon","description":"Dark blue binoculars with pale cyan lenses in the second cell of the montage’s top row.","membership":"Include both barrels, their connecting structure, and the enclosed lenses. Exclude the cell background and shadow.","id":"obj_006","temporal":{"status":"found","start_s":3.75,"end_s":5.25,"reference_s":4.25,"evidence":"目标是图标网格顶行第二格的深蓝色双筒望远镜，包含双镜筒、连接部和浅青色镜片。3.75秒时自身结构已完整可见，虽仍在缩放和转动，但符合纳入条件；最后合格帧为5.00秒。此前3.50秒画面未显示该图标，之后5.25秒已切换为蓝色文字画面。选择4.25秒作为关键帧，双镜筒及镜片清楚且无遮挡。","start_frame":90,"end_frame":126,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[125.5,61.1,213,138.9],"positive_points":[[137,94],[173,112],[149,91],[201,95],[164,72],[179,88]],"negative_points":[[132,42],[210,47],[140,155],[190,176]],"evidence":"目标位于顶排第二格，是带浅青色镜片的深蓝色双筒望远镜。边界框紧贴两个镜筒、连接结构及镜片，不含背景与下方阴影。六个正点分布在镜片、镜筒和连接部位，四个负点位于目标外围的粉色背景上。"}},{"name":"Location pin icon","description":"Red map pin with a white circular inset and green leaf emblem in the third cell of the top row.","membership":"Include the entire pointed pin and its enclosed inset and emblem. Exclude the cell background.","id":"obj_007","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.25,"evidence":"目标是网格顶行第三格的红色尖底地图图钉，包含白色圆形内嵌和绿色叶片标志。首个合格帧为4.00秒，最后合格帧为5.00秒；此前3.75秒图钉上部仍被画面边界裁切，此后5.25秒已切换为蓝色标题画面，目标消失。选择4.25秒作为关键帧，因为图钉完整、清晰且无遮挡。","start_frame":96,"end_frame":126,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[257.3,36.1,302.1,173.1],"positive_points":[[278.6,45.4],[263.5,80.6],[295.3,84.3],[278.1,130.6],[271.4,75],[280.2,81.5]],"negative_points":[[242.7,44.4],[318.2,99.1],[247.4,158.3],[305.2,176.9]],"evidence":"目标位于顶行第三格，是带白色圆形内嵌和绿色叶子标志的红色定位图钉。边界框紧贴整个图钉，从顶部圆弧到下方尖端；正点覆盖红色轮廓、下部尖身及白色内嵌和绿色标志，负点位于图钉外的青绿色单元格背景。"}},{"name":"Clock icon","description":"Round mint-rimmed clock with a white face and moving dark hands in the fourth cell of the top row.","membership":"Include the rim, enclosed dial, tick marks, and hands. Exclude the colored cell and shadow.","id":"obj_008","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.25,"evidence":"目标是网格顶行第四格中的薄荷绿色圆框时钟，包含白色表盘、刻度和深色指针。首个完整呈现帧为4.00秒，最后合格帧为5.00秒；此前3.75秒时钟仍被画面上边界裁切，之后5.25秒已切换为蓝色标题画面。选择4.25秒作为关键帧，此时时钟接近正面，轮廓和表盘清晰且无遮挡。","start_frame":96,"end_frame":126,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[349,28,429,182],"positive_points":[[387,34],[354,104],[390,175],[372,78],[408,134],[388,103]],"negative_points":[[341,43],[434,81],[354,191],[279,101]],"evidence":"目标位于顶行第四格，是薄荷绿色圆框、白色表盘和深色指针的时钟。边界框紧贴可见钟体，涵盖外框、表盘、刻度和指针，不含阴影。正点分布在钟框、表盘及指针上；负点位于外围粉色背景及左侧独立的定位图标上。"}},{"name":"Megaphone icon","description":"Mint and cream megaphone with a dark handle in the fifth cell of the top row.","membership":"Include the horn, enclosed horn opening, rear housing, and handle. Exclude the cell background and shadow.","id":"obj_009","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.25,"evidence":"目标为图标网格顶行第五格的薄荷绿与奶油色扩音器，包括喇叭口、后壳及深色手柄。首个合格帧为4.00秒，虽朝向偏正面，结构已完整；此前3.75秒该图标仍被画面上边界裁切。最后合格帧为5.00秒，随后5.25秒切换为蓝色标题画面，目标消失。选择4.25秒为关键帧，扩音器呈侧向，喇叭口、后壳和手柄清晰且无遮挡。","start_frame":96,"end_frame":126,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[462.5,25.9,546.9,177.8],"positive_points":[[470.8,92.6],[488.5,96.3],[517.2,45.4],[535.4,93.5],[514.1,101.9],[484.4,150.9]],"negative_points":[[456.3,49.1],[540.6,185.2],[456.3,185.2],[388.0,100.0]],"evidence":"目标位于第一行第五格，是薄荷绿色与奶油色喇叭及深色手柄。边界框紧贴喇叭口、后壳和手柄的可见范围；正点分布在后壳、连接部、喇叭口内部及手柄上，负点位于外围单元格背景和左侧时钟上，不包含阴影。"}},{"name":"Search illustration","description":"Magnifying glass moving over an “envato” wordmark in the sixth cell of the montage’s top row.","membership":"Include the magnifying glass, its enclosed lens area, and the wordmark being examined as one compact search illustration. Exclude the colored cell.","id":"obj_010","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.25,"evidence":"目标是图标网格顶行第六格内的放大镜及其检查的“envato”字样，不含彩色格子。4.00秒首次完整呈现，放大镜虽转至侧面但结构已完整；此前3.75秒该图示仍被画面上边缘裁切。最后符合条件的帧为5.00秒，5.25秒已切换为蓝底标题，目标消失。选择4.25秒作关键帧，镜框、镜片区域、手柄和字样均清晰可辨。","start_frame":96,"end_frame":126,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[569.8,27.8,648.4,178.7],"positive_points":[[576.6,66.7],[587.5,68.5],[609.9,66.7],[622.4,45.4],[642.7,68.5],[590.1,141.7]],"negative_points":[[564.6,38],[652.6,161.1],[623.4,180.6],[567.2,113.9]],"evidence":"目标位于顶行第六格，是覆盖在“envato”字标上的放大镜。框覆盖镜框、镜片内部、手柄及完整字标，不包括彩色格子。六个正点分布在字标、镜框、镜片与手柄上，四个负点位于插画外围的单元格背景。"}},{"name":"Checklist clipboard icon","description":"Brown-edged clipboard with a white checklist, gray clip, and appearing green check marks in the seventh cell of the top row.","membership":"Include the board, clip, paper, and all checklist contents. Exclude the cell background and shadow.","id":"obj_011","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.5,"evidence":"目标是网格顶行第七格中的棕边白纸剪贴板，带灰色夹子和逐渐出现的绿色勾选。首个合格帧为4.00秒，末个为5.00秒；3.75秒时剪贴板仍被画面上边界裁切，5.25秒已切换为蓝色标题画面。勾选内容的变化不影响已完整呈现的剪贴板。选择4.50秒为关键帧，此时轮廓和清单内容清晰，无遮挡。","start_frame":96,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[690.1,19.4,747.4,179.6],"positive_points":[[719.3,33.3],[706.8,68.5],[705.2,94.4],[728.6,84.3],[721.4,138.0],[714.1,167.6]],"negative_points":[[677.6,101.9],[764.1,92.6],[718.8,191.7],[828.1,101.9]],"evidence":"目标位于顶行第七格，是带灰色夹子、棕色边框和绿色勾选标记的白纸剪贴板。边界框紧贴夹子、板体及纸张，排除背景和投影。正点分布在夹子、清单内容、纸面及下边框；负点位于周围蓝色背景及右侧地球上。"}},{"name":"Globe icon","description":"Pale blue globe with bright magenta continents in the eighth cell of the top row.","membership":"Include the complete globe and its visible land and water surfaces. Exclude the colored cell and shadow.","id":"obj_012","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.25,"evidence":"目标是网格顶行第八格中浅蓝色海洋、亮洋红色大陆的地球，不含底色和阴影。首个合格帧为4.00秒，最后为5.00秒；此前3.75秒地球顶部仍被画面边界裁切，之后5.25秒已切换为蓝色文字画面，地球消失。选择4.25秒作为关键帧，地球完整、轮廓清晰且所在单元格易于辨认。","start_frame":96,"end_frame":126,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[787,26,875,182],"positive_points":[[801,79],[835,52],[830,124],[803,126],[845,164],[862,134]],"negative_points":[[782,188],[877,28],[829,194],[723,106]],"evidence":"目标是顶排第八格中浅蓝海洋、亮洋红大陆的地球。边界框紧贴完整球体，包含可见陆地和水面，不含格子底色及投影。六个正点分布在球体不同区域的陆地和海洋上；四个负点位于球体外的背景及左侧剪贴板上。"}},{"name":"Hanging sign icon","description":"White hanging sign bearing “envato” in the rightmost cell of the top row.","membership":"Include the sign panel, its lettering and emblem, and the suspension line above it. Exclude the cell background.","id":"obj_013","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.5,"evidence":"目标是图标网格顶行最右格内带“envato”文字和徽标的白色吊牌，包含上方悬挂线。首个合格帧为4.00秒，最后为5.00秒；期间吊牌虽有摆动，结构始终完整。前一帧3.75秒吊牌仍被画面右边界裁切，后一帧5.25秒已切换为蓝色标题画面。选择4.50秒作为关键帧，吊牌轮廓及文字较清楚，便于区分和标注。","start_frame":96,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[906.3,43.5,978.1,133.3],"positive_points":[[940,46],[960,65],[948,97],[910,115],[936,126],[973,123]],"negative_points":[[895,172],[988,87],[940,23],[831,145]],"evidence":"目标位于顶行最右侧，是带有“envato”文字和标志的白色吊牌。边界框覆盖牌面及上方悬挂线；正点分布在悬挂线、牌面和文字上，负点位于周围蓝色背景及左邻地球上，不包含单元格背景。"}},{"name":"Dollar symbol icon","description":"Gold three-dimensional dollar sign in the leftmost cell of the montage’s second row.","membership":"Include the complete extruded dollar symbol, following its actual outline and openings. Exclude the colored cell and shadow.","id":"obj_014","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.25,"evidence":"目标是图标网格第二行最左格内的金色立体美元符号，不含底色和阴影。4.00秒首次完整显示，至5.00秒仍完整可见；此前3.75秒该符号被画面左边界裁切，之后5.25秒画面切换为蓝色文字页，目标消失。选择4.25秒作为关键帧，符号轮廓、开口及立体厚度清晰且无遮挡。","start_frame":96,"end_frame":126,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[31.3,219.4,86.5,379.6],"positive_points":[[56.8,226.9],[44.8,244.4],[74.5,249.1],[55.2,291.7],[77.6,325.0],[58.9,367.6]],"negative_points":[[16.7,296.3],[98.4,346.3],[95.8,229.6],[164.6,293.5]],"evidence":"目标是第二行最左格的金色立体美元符号。边界框紧贴完整符号及其挤出侧面，不含底色与投影；六个正点分布在上下曲线、中部笔画和竖杆上，负点位于外围蓝色背景及右邻欧元符号上。"}},{"name":"Euro symbol icon","description":"Gold three-dimensional euro sign in the second cell of the second row.","membership":"Include the complete extruded euro symbol, preserving its open side and other concavities. Exclude the cell background and shadow.","id":"obj_015","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.25,"evidence":"目标为图标网格第二行第二格的金色立体欧元符号，不含背景与阴影。4.00秒首次呈现完整结构，持续至5.00秒；此前3.75秒仅见分散的金色局部，符号尚未组装完整，之后5.25秒已切换为蓝色文字画面。选择4.25秒作关键帧，欧元符号轮廓、开口及立体厚度清晰，无明显遮挡。","start_frame":96,"end_frame":126,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[133.3,228.7,204.2,370.4],"positive_points":[[177,242],[149,263],[143,286],[183,288],[161,312],[179,356]],"negative_points":[[125,250],[213,301],[167,389],[166,214]],"evidence":"目标是第二行第二格的金色立体欧元符号。边界框紧贴符号及其挤出厚度，不含背景和投影；六个正点分布在上下弧、左侧主体和两条横笔上，四个负点位于符号外围的单元格背景，避开开口及内部凹处。"}},{"name":"At symbol icon","description":"Cyan three-dimensional “@” symbol on a magenta cell in the third position of the second row.","membership":"Include the complete at symbol and its enclosed central area, preserving the open outer tail. Exclude the colored cell.","id":"obj_016","temporal":{"status":"found","start_s":3.5,"end_s":5.25,"reference_s":4.5,"evidence":"目标是网格第二行第三格、两个粉色存钱罐左侧的青色立体“@”，不包括洋红色底格。首个合格帧为3.50秒，符号虽倾斜且随网格缩放，但自身完整、未被画面边缘裁切；最后合格帧为5.00秒。前一帧3.25秒仍是“SHOCK”表情画面，后一帧5.25秒已切换为蓝色标题页。选择4.50秒作为关键帧，符号正面轮廓、中央区域和外侧开口尾部清晰，无遮挡。","start_frame":84,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[247.4,228.7,315.1,366.7],"positive_points":[[279.7,238],[252.1,289.8],[309.4,289.8],[278.6,272.2],[289.1,323.1],[278.6,355.6]],"negative_points":[[237,227],[323,231],[241,374],[321,375]],"evidence":"目标是第二行第三格中的青色立体“@”。边界框紧贴完整符号，包含中央围合区域并保留外尾开口，不包含洋红色单元格。六个正点分布在外圈、内部笔画和下方尾部；四个负点位于符号外围的洋红色背景。"}},{"name":"Coin-saving piggy bank","description":"Intact pink piggy bank in the fourth cell of the second row, with coins dropping toward its top slot.","membership":"Include the entire piggy bank and the coins participating in its saving animation. Exclude the cell background and cast shadow.","id":"obj_017","temporal":{"status":"found","start_s":3.75,"end_s":5.25,"reference_s":4.5,"evidence":"目标是图标网格第二行第四格的完整粉色存钱罐及向其顶部投币口落下的硬币，不包括右侧会被砸碎的另一只猪。首个合格帧为3.75秒，缩放中的猪体已完整可见；前一帧3.50秒猪体仍被画面上缘裁切。最后合格帧为5.00秒，5.25秒已切换为蓝底标题，目标消失。选择4.50秒作为关键帧，猪体完整清晰，顶部硬币可见，且容易与右邻区分。","start_frame":90,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[358.9,222.2,417.2,375],"positive_points":[[387,231.5],[375,275.9],[372.9,321.3],[404.7,300],[404.7,329.6],[404.2,361.1]],"negative_points":[[348,248],[430,343],[348,368],[501,317]],"evidence":"目标是第二行第四格的粉色存钱罐，上方有正在落下的硬币。框覆盖完整猪身、耳朵、猪脚及上方硬币，不包含背景和投影。正点分布在硬币及猪的不同部位；负点位于格内外围背景和右侧另一只存钱罐上。"}},{"name":"Breaking piggy bank","description":"Second pink piggy bank, immediately right of the intact one, which is struck by a wooden mallet and breaks into pieces.","membership":"Include this piggy bank, its resulting fragments and released contents, and the mallet acting on it within the compact demonstration. Exclude the neighboring piggy bank, colored cell, and shadow.","id":"obj_018","temporal":{"status":"found","start_s":3.75,"end_s":5.25,"reference_s":4.75,"evidence":"目标是并排两只粉色存钱罐中右侧的一只，随后被木槌击碎；按指定范围保留碎片、释放物及木槌。3.75秒首次完整可见，5.00秒仍显示击碎后的演示内容。前一帧3.50秒猪形顶部仍被画面边界裁切，后一帧5.25秒已切换为蓝色标题画面。选择4.75秒作为关键帧，木槌与正在破裂的目标清楚可辨，也易与左侧完整存钱罐区分。","start_frame":90,"end_frame":126,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[469.3,250.9,552.6,373.1],"positive_points":[[478.6,308.3],[502.6,314.8],[516.1,360.2],[524.0,261.1],[541.7,300.0],[489.1,275.0]],"negative_points":[[387.5,320.4],[460.9,227.8],[540.6,385.2],[542.2,219.4]],"evidence":"目标是第二行中紧邻完整存钱罐右侧、正在被木槌击碎的粉色存钱罐。框覆盖罐体、上方及周围可见碎片和释放物，以及右侧木槌，不含底部阴影。正点分布在罐身、耳部、脚、飞散碎片和木槌上；负点位于左邻完整存钱罐及目标外围的色块背景。"}},{"name":"Gear assembly icon","description":"Three intermeshing cyan, mint, and yellow gears in the sixth cell of the second row.","membership":"Include all three gears and their enclosed hub areas, following the toothed outer boundaries. Exclude the cell background and shadows.","id":"obj_019","temporal":{"status":"found","start_s":3.5,"end_s":5.25,"reference_s":4.5,"evidence":"目标是图标网格第二行第六格内的青色、薄荷绿和黄色三个啮合齿轮。首个合格帧为3.50秒，三个齿轮已出现，虽处于侧转和缩放状态；最后合格帧为5.00秒。前一帧3.25秒仍是“SHOCK”表情画面，后一帧5.25秒已切换为蓝色标题画面。选择4.50秒作为关键帧，三个齿轮的齿形和轮毂清晰，无遮挡。","start_frame":84,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[565,230,658,365],"positive_points":[[617,243],[621,263],[578,302],[594,341],[629,290],[645,318]],"negative_points":[[576,240],[646,374],[586,385],[715,284]],"evidence":"目标位于第二行第六格，由上方青色、左下薄荷色和右侧黄色三个齿轮组成。边界框紧贴三个齿轮的外齿轮廓，包含轮毂区域，不包含阴影。六个正点分布于三个齿轮上；负点位于外围粉色背景及右侧独立的问号图标上。"}},{"name":"Question mark icon","description":"Large mint question mark in the seventh cell of the second row.","membership":"Include the curved question-mark body and its separate dot. Exclude the colored cell and shadow.","id":"obj_020","temporal":{"status":"found","start_s":3.5,"end_s":5.25,"reference_s":4.25,"evidence":"目标是图标网格第二行第七格的薄荷绿色问号，包括弯曲主体和独立圆点，不含底色及阴影。首个合格帧为3.50秒，问号虽随网格缩放且有运动模糊，但自身结构已完整；最后合格帧为5.00秒。此前3.25秒显示“SHOCK”表情画面，此后5.25秒已切换为标题画面。选择4.25秒作为关键帧，问号清晰完整、无遮挡，所在格易于辨认。","start_frame":84,"end_frame":126,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[692.7,226.9,738.5,364.8],"positive_points":[[700,257],[713,239],[730,258],[727,287],[715,313],[717,347]],"negative_points":[[679,306],[753,305],[716,382],[832,318]],"evidence":"目标是第二行第七格内的大号薄荷绿色问号。边界框紧贴弯曲主体及下方独立圆点，不含粉色格子和投影；六个正点分布在问号曲线、下端和圆点上，负点位于外围粉色背景及右侧信封上。"}},{"name":"Envelope icon","description":"White envelope with a blue interior in the eighth cell of the second row; a card marked “envato” rises from it.","membership":"Include the envelope, flap, interior, and emerging card with its contents. Exclude the cell background and shadow.","id":"obj_021","temporal":{"status":"found","start_s":3.75,"end_s":5.25,"reference_s":4.5,"evidence":"目标是网格第二行第八格的白色信封，打开后露出蓝色内部，并升起印有“envato”的卡片。3.75秒信封自身结构已完整可见，后续开合及卡片升起属于其动画；最后合格帧为5.00秒。此前3.50秒目标尚未进入可见画面，之后5.25秒已切换为蓝色标题页。选择4.50秒，信封、蓝色内部及卡片均清晰可辨。","start_frame":90,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[802.6,205.6,864.1,347.2],"positive_points":[[812,223],[838,240],[833,284],[814,309],[836,328],[855,316]],"negative_points":[[789,283],[875,305],[833,371],[719,280]],"evidence":"目标位于第二行第八格，是带蓝色内侧、露出“envato”卡片的白色信封。边界框紧贴卡片与信封整体，包含折 flap 和内部，排除背景及阴影。正点分布在卡片、文字、蓝色内侧和白色信封表面；负点位于周围格子背景及左侧问号上。"}},{"name":"Light bulb icon","description":"White bulb with a metallic screw base in the rightmost cell of the second row, becoming yellow when illuminated.","membership":"Include the bulb envelope, enclosed filament area, and screw base throughout its lighting change. Exclude external glow, the cell background, and shadow.","id":"obj_022","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.0,"evidence":"目标是图标网格第二行最右侧的灯泡，具有白色灯泡外壳和金属螺口底座，随后点亮变黄。首个完整呈现帧为4.00秒，最后 qualifying 帧为5.00秒；此前3.75秒灯泡仍被画面右边界裁切，之后5.25秒已切换为标题画面。选择4.00秒作为关键帧，此时灯泡轮廓、内部灯丝和底座清晰，且无外部发光干扰。","start_frame":96,"end_frame":126,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[921.4,232.4,962.5,359.3],"positive_points":[[941,247],[929,267],[955,269],[942,287],[940,316],[941,340]],"negative_points":[[908,277],[979,291],[941,381],[834,303]],"evidence":"目标位于第二行最右侧单元格，是白色灯泡和金属螺口底座。边界框紧贴灯泡外壳至底座末端，包含内部灯丝区域，不含背景及阴影。六个正点分布于灯泡顶部、两侧、内部及底座；负点位于周围蓝色背景和左侧独立信封图标上。"}},{"name":"Falling banknotes illustration","description":"Pile of pale banknotes with additional notes falling onto it in the leftmost cell of the montage’s middle row.","membership":"Include the piled and falling banknotes belonging to this animation. Exclude the colored cell and cast shadows.","id":"obj_023","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.25,"evidence":"目标是图标网格中间一行最左格内的浅色纸币堆及上方飘落的纸币，不包括底色和阴影。首个合格帧为4.00秒；3.75秒时该组纸币仍被画面左边界裁切。最后合格帧为5.00秒，5.25秒已切换为蓝底标题，纸币消失。选择4.25秒作为关键帧，纸币堆和飘落纸币均清晰可辨。","start_frame":96,"end_frame":126,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[17.7,403.7,109,547.2],"positive_points":[[67.7,421.3],[77.1,468.5],[26.6,476.9],[40.6,513],[78.1,512],[69.3,538]],"negative_points":[[13,432.4],[102.1,466.7],[17.2,565.7],[152.6,472.2]],"evidence":"目标位于第三行最左侧单元格，是浅色纸钞堆及其上方正在飘落的纸钞。边界框紧贴全部可见纸钞，不含底色和投影；六个正点分布在上方飘落纸钞与下方钞票堆上，负点位于外围蓝色背景及右侧独立的对话气泡上。"}},{"name":"Conversation bubbles icon","description":"Overlapping white and blue speech bubbles, with three dots in the front bubble, in the second cell of the middle row.","membership":"Include both complete bubbles, their tails, enclosed surfaces, and dots. Exclude the cell background and shadow.","id":"obj_024","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.5,"evidence":"目标位于图标网格中间行第二格，是前白后蓝的重叠对话气泡，包含尾部及白色气泡内的三个点。4.00秒首次完整呈现，至5.00秒仍完整可见；前一帧3.75秒仅显示一个点，三点结构尚未揭示完整，后一帧5.25秒已切换为蓝色标题画面。选择4.50秒为关键帧，两只气泡及三个点清晰且无遮挡。","start_frame":96,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[128.6,434.3,212,542.6],"positive_points":[[137.5,453.7],[158.3,470.4],[178.6,451.9],[143.2,511.1],[201.6,486.1],[197.4,527.8]],"negative_points":[[122.4,486.1],[169.3,416.7],[215.1,557.4],[149,552.8]],"evidence":"目标位于中间一行第二格，是前白后蓝的重叠对话气泡，白色气泡内有三个圆点。边界框紧贴两个气泡及其尾部；正点分布在白色表面、圆点、蓝色表面和两条尾部，负点位于气泡外的单元格背景，避开阴影。"}},{"name":"Shopping basket icon","description":"Red shopping basket with black handles and a small “envato” label in the third cell of the middle row.","membership":"Include the basket body, rim, handles, openings, and printed contents. Exclude the colored cell and cast shadow.","id":"obj_025","temporal":{"status":"found","start_s":3.5,"end_s":5.25,"reference_s":4.5,"evidence":"目标是图标网格中间行第三格的红色购物篮，具有黑色提手及小型“envato”标签。首个合格帧为3.50秒，篮体和提手已完整可见，虽有运动模糊但未被边界裁切；最后合格帧为5.00秒。此前3.25秒仍是“SHOCK”表情画面，随后5.25秒已切换为蓝色标题画面，购物篮消失。选择4.50秒作为关键帧，购物篮结构清晰、无遮挡，易与周围图标区分。","start_frame":84,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[235.4,444.4,323,572.2],"positive_points":[[262.5,471.3],[292.7,465.7],[242.2,496.3],[252.6,527.8],[289.6,549.1],[308.3,522.2]],"negative_points":[[237,426.9],[326,442.6],[234.4,574.1],[179.7,473.1]],"evidence":"目标是中间一行第三格的红色购物篮，带黑色提手和小型“envato”标签。边界框紧贴提手、篮口及篮身，包含开口和印刷内容，不包含彩色格子和投影。六个正点分布在两侧提手、篮口及篮身；四个负点位于外围背景和左侧聊天图标上。"}},{"name":"Trophy icon","description":"Gold two-handled trophy on a dark stepped base in the fourth cell of the middle row.","membership":"Include the cup, both handles, stem, base, and plaque. Include the areas enclosed by the handles; exclude the cell background and shadow.","id":"obj_026","temporal":{"status":"found","start_s":3.5,"end_s":5.25,"reference_s":4.25,"evidence":"��标是图标网格中间行第四格的金色双耳奖杯，包含杯身、双耳、杯柱及带铭牌的深色阶梯底座。首个合格帧为3.50秒，奖杯虽有运动模糊但整体结构已完整；最后合格帧为5.00秒。此前3.25秒仍是“SHOCK”表情画面，此后5.25秒已切换为蓝色标题画面。选择4.25秒作为关键帧，因为奖杯轮廓清晰、完整且无遮挡。","start_frame":84,"end_frame":126,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[360.4,427.8,417.7,581.5],"positive_points":[[388.5,456.5],[365,451],[412,451],[388.5,509],[386.5,551.5],[391,572]],"negative_points":[[349,465],[429,488],[389,414],[348,574]],"evidence":"目标位于中间行第四格，是带双耳和深色阶梯底座的金色奖杯。边界框覆盖杯体、双耳及其围合区域、杯柱、铭牌和底座，不含背景及投影。六个正点分布在这些组成部分，四个负点位于奖杯外围的青绿色单元格背景。"}},{"name":"Rotary telephone icon","description":"Mint rotary telephone with a white numbered dial, matching receiver, and pale coiled cord in the center cell of the montage.","membership":"Include the telephone base, dial and its contents, receiver, and connecting cord throughout their movement. Exclude the colored cell and cast shadow.","id":"obj_027","temporal":{"status":"found","start_s":3.5,"end_s":5.25,"reference_s":4.25,"evidence":"目标是图标矩阵中央粉色单元格内的薄荷绿色旋转拨号电话，包含白色号码盘、同色听筒和浅色连接线。首个合格帧为3.50秒，电话自身结构完整，随后缩放及听筒移动不影响其连续出现；最后合格帧为5.00秒。前一帧3.25秒仍是“SHOCK”表情画面，后一帧5.25秒已切换为蓝底标题，电话消失。选择4.25秒作为关键帧，电话轮廓、拨号盘、听筒和连接线清楚可辨。","start_frame":84,"end_frame":126,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[451.6,461.1,543.2,556.5],"positive_points":[[494.3,480.6],[528.6,475.9],[514.1,504.6],[525.5,540.7],[471.9,505.6],[463.5,539.8]],"negative_points":[[457.8,453.7],[541.1,574.1],[497.9,432.4],[390.6,500]],"evidence":"目标是画面中央粉色单元格内的薄荷绿色旋转拨号电话。边界框紧贴听筒、带白色拨号盘的底座及左侧浅色卷曲电话线，不包含单元格背景和投影。六个正点分布在听筒两端、拨号盘、底座和电话线上；负点位于电话外围背景及左侧独立奖杯上。"}},{"name":"Presentation easel icon","description":"White flip chart on thin legs in the sixth cell of the middle row, showing “envato” as its pages move.","membership":"Include the stand, chart pad, turning sheets, and chart contents. Exclude the cell background and shadow.","id":"obj_028","temporal":{"status":"found","start_s":3.5,"end_s":5.25,"reference_s":4.5,"evidence":"目标是图标网格中电话右侧的白色翻页展示架，包含纸板、翻动纸页、“envato”内容及细腿支架。首个合格帧为3.50秒，虽有运动模糊，但自身结构已完整显示；最后合格帧为5.00秒。此前3.25秒仍是“SHOCK”表情画面，此后5.25秒已切换为蓝底标题，展示架消失。选择4.50秒作为关键帧，目标轮廓清楚、支架完整且无遮挡。","start_frame":84,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[592.2,432.4,630.2,587.0],"positive_points":[[598.4,445.4],[622.9,456.5],[609.9,501.9],[601.0,553.7],[607.3,548.1],[622.9,552.8]],"negative_points":[[578.1,477.8],[643.8,521.3],[614.6,418.5],[720.8,495.4]],"evidence":"目标位于中间行第六格，是带有“envato”字样的白色翻页展示架。边界框覆盖纸垫、翻页及细支架腿，不含背景和投影。正点分布在纸面及三条支架腿上；负点位于周围蓝色背景和右侧独立的保险箱图标上。"}},{"name":"Safe icon","description":"Mint square safe in the seventh cell of the middle row, with a circular lock, turning handle, and a door that opens to reveal a white graphic.","membership":"Include the safe body, door, hinges, lock hardware, interior, and revealed contents. Exclude the colored cell and shadow.","id":"obj_029","temporal":{"status":"found","start_s":3.5,"end_s":5.25,"reference_s":5.0,"evidence":"目标是网格中间行第七格的薄荷绿色保险箱，带圆锁和转动把手，随后开门露出白色图案。首个合格帧为3.50秒，虽有缩放运动模糊，但箱体已完整可见；最后合格帧为5.00秒。前一帧3.25秒仍为“SHOCK”表情画面，后一帧5.25秒已切换为蓝色标题画面。选择5.00秒作为关键帧，保险箱门已打开，箱体、门及内部白色图案均清楚可辨。","start_frame":84,"end_frame":126,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[689,440,768,569],"positive_points":[[717,450],[695,496],[719,500],[730,534],[757,499],[711,549]],"negative_points":[[677,457],[757,420],[724,583],[827,497]],"evidence":"目标位于中间行第七格，是打开门并露出白色图��的薄荷绿色保险箱。边界框覆盖箱体、内部及内容物、开启的门和可见五金，不含粉色格子与投影。正点分布在箱顶、左框、白色图案、内部、门板及底框；负点位于外围格子背景、下方投影区域和右侧救生圈。"}},{"name":"Life preserver icon","description":"Red-and-white life ring bearing “envato” in the eighth cell of the middle row.","membership":"Include the complete ring, its enclosed central area, attached rope, and lettering. Exclude the colored cell and shadow.","id":"obj_030","temporal":{"status":"found","start_s":3.75,"end_s":5.25,"reference_s":4.25,"evidence":"目标是图标网格中间行第八格的红白救生圈，中央带有“envato”字样，并附有绳索。首个完整呈现帧为3.75秒，虽处于缩放运动中，圈体已完整；最后合格帧为5.00秒。前一帧3.50秒中目标尚在画面外，后一帧5.25秒已切换为蓝色标题画面。选择4.25秒作为关键帧，救生圈及文字清晰完整、无遮挡，便于与背景格和阴影区分。","start_frame":90,"end_frame":126,"reference_frame":102},"grounding":{"status":"found","bbox_xyxy":[794.8,427.8,870.8,565.7],"positive_points":[[831.8,445.4],[809.9,460.2],[857.3,456.5],[833.3,549.1],[803.1,501.9],[832.3,501.9]],"negative_points":[[787,416],[877,581],[917,489],[753,499]],"evidence":"目标是中间一行第八格中带“envato”字样的红白救生圈。边界框覆盖完整圈体、外围绳索、中央区域及文字，不含色块背景和投影。正点分布在红白圈体和中央文字区域；负点位于外围背景及相邻的盾牌、保险箱上。"}},{"name":"Shield icon","description":"Green shield with a metallic rim and white leaf emblem in the rightmost cell of the middle row.","membership":"Include the shield boundary, enclosed face, rim details, and central emblem. Exclude the cell background and shadow.","id":"obj_031","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.5,"evidence":"目标是图标网格中间一行最右侧的绿色盾牌，具有金属边框和中央白色叶片徽标。首次完整呈现于4.00秒，最后符合条件的帧为5.00秒；此前3.75秒盾牌仍被画面右边界裁切，之后5.25秒已切换为蓝底文字画面。选择4.50秒作为关键帧，盾牌轮廓、边框及徽标清晰且无遮挡。","start_frame":96,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[910,421.3,975.5,565.7],"positive_points":[[940.6,431.5],[925,470.4],[942.2,488.9],[960.4,476.9],[942.7,540.7],[965.1,507.4]],"negative_points":[[899,490.7],[984.4,488],[943.8,584.3],[831,496]],"evidence":"目标位于中间一行最右侧，是带金属边框和白色叶片徽记的绿色盾牌。边界框紧贴盾牌可见外缘，包含盾面、边框及徽记，不含背景和投影。正点分布在边框、绿色盾面及白色徽记上；负点位于盾牌两侧及下方背景，以及左邻的救生圈上。"}},{"name":"Calendar icon","description":"Red-and-white tear-off calendar in the leftmost cell of the fourth row, displaying “MARCH” while its date pages advance.","membership":"Include the calendar backing, binding rings, attached and turning pages, and all page contents. Exclude the colored cell and shadow.","id":"obj_032","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.75,"evidence":"目标是图标网格第四行最左侧的红白撕页日历，含装订环、标有“MARCH”的页头及变化的日期。首个完整呈现帧为4.00秒，最后合格帧为5.00秒；此前3.75秒日历仍被画面左边界裁切，之后5.25秒已切换为蓝色标题画面。选择4.75秒作为关键帧，此时日历完整清晰，日期为27，便于标注且不包含背景色块和阴影。","start_frame":96,"end_frame":126,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[28,636,91,759],"positive_points":[[43.2,653.7],[75.5,652.8],[58.3,676.9],[37.5,727.8],[64.6,716.7],[76.6,740.7]],"negative_points":[[15.6,695.4],[100,710.2],[57.8,612],[167.7,699.1]],"evidence":"目标是第四行最左格中显示“MARCH”和“27”的红白日历。边界框紧贴日历背板、顶部装订环及当前附着页面，排除格子底色和投影。六个正点分布在装订环、红色页眉、白色页面和日期内容上；负点位于日历外的背景及右侧计算器上。"}},{"name":"Calculator icon","description":"Mint calculator with a numeric display and white keypad in the second cell of the fourth row.","membership":"Include the entire calculator housing, display, keys, and their markings. Exclude the cell background and shadow.","id":"obj_033","temporal":{"status":"found","start_s":3.75,"end_s":5.25,"reference_s":4.5,"evidence":"目标是图标网格第四行第二格的薄荷绿色计算器，包含数字显示屏和白色按键。3.75秒首次完整可见，虽有倾斜但机身结构已齐全；最后合格帧为5.00秒。此前3.50秒该计算器尚在画面外，之后5.25秒已切换为蓝色标题画面。选择4.50秒作为关键��，计算器显示屏、按键和外壳清楚且无遮挡。","start_frame":90,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[140.6,638,200.5,759.3],"positive_points":[[155.2,646.3],[173.4,657.4],[156.3,679.6],[184.4,702.8],[147.9,735.2],[182.3,742.6]],"negative_points":[[129.2,662],[211.5,726.9],[168.2,779.6],[282.3,710.2]],"evidence":"目标是第四行第二格的薄荷绿色计算器。边界框紧贴完整外壳，包含显示屏、白色按键及其标记，不含粉色背景和投影。六个正点分布在外壳、显示屏和不同位置的按键上；负点位于周围粉色背景及右侧独立的锁图标上。"}},{"name":"Padlock icon","description":"Gold padlock with a silver shackle in the third cell of the fourth row, changing from open to closed.","membership":"Include the lock body, printed label, and shackle throughout its movement. Include the area enclosed when the shackle closes; exclude the cell background and shadow.","id":"obj_034","temporal":{"status":"found","start_s":3.5,"end_s":5.25,"reference_s":4.5,"evidence":"目标是图标网格第四行第三格的金色锁体、印字及银色锁梁，锁梁由开启转为闭合。首个合格帧为3.50秒：虽处于网格缩放中，锁本身已完整可见；前一帧3.25秒仍为“SHOCK”表情画面。最后合格帧为5.00秒，后一帧5.25秒切换为蓝色标题画面，锁消失。选择4.50秒为关键帧，锁已闭合，轮廓清晰且无遮挡。","start_frame":84,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[258,629,307,761],"positive_points":[[282,636],[268,663],[282,665],[268,703],[297,712],[282,740]],"negative_points":[[242,654],[321,711],[282,782],[310,640]],"evidence":"目标位于第四行第三格，是银色锁梁、金色锁身的挂锁。边界框紧贴锁梁和锁身，包含印字及闭合锁梁围住的区域，不含阴影。六个正点分布于锁梁、围合区域和锁身；四个负点位于锁外的单元格背景。"}},{"name":"Storefront model","description":"Small shop assembling in the fourth cell of the fourth row, with a red-and-white striped awning, windows, a tree, and an “envato” sign.","membership":"Include the shop, roof, awning, signage, windows, tree, and compact ground platform. Exclude the colored cell and external shadow.","id":"obj_035","temporal":{"status":"found","start_s":4.5,"end_s":5.25,"reference_s":4.75,"evidence":"目标是网格第四行第四格的小商店，包含红白条纹雨篷、窗户、树、底座及屋顶 envato 招牌。4.50秒各组成部分已完整可见，招牌仍有转动；4.25秒招牌尚未完成初始展开。最后合格帧为5.00秒，5.25秒已切换为蓝色标题画面。选择4.75秒作为关键帧，店铺及招牌清晰、无遮挡。","start_frame":108,"end_frame":126,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[340.6,653.7,438.5,769.4],"positive_points":[[393.8,665.7],[386.5,680.6],[385.9,703.7],[415.1,720.4],[352.1,713.0],[401.6,758.3]],"negative_points":[[352.1,629.6],[433.3,681.5],[359.4,783.3],[495.8,697.2]],"evidence":"目标位于第四行第四格，可由红白条纹遮阳篷、envato招牌和旁边的小树识别。边界框覆盖店铺、屋顶、招牌、窗户、小树及底座，不包含粉色格子和外部阴影。正点分布在这些实体部件上；负点位于周围粉色背景及右侧另一栋建筑上。"}},{"name":"Office building model","description":"Multi-story glass-fronted office building in the fifth cell of the fourth row, with a yellow rooftop “envato” sign and landscaped base.","membership":"Include the complete building, rooftop structures and sign, trees, landscaping, and ground platform. Exclude the colored cell and external shadow.","id":"obj_036","temporal":{"status":"found","start_s":4.25,"end_s":5.25,"reference_s":4.5,"evidence":"目标位于第四行第五格，是带黄色“envato”楼顶招牌、玻璃立面及绿化底座的办公楼模型。4.25秒首次完整呈现楼体、屋顶设施、招牌、树木与地台，持续至最后合格帧5.00秒；此前4.00秒屋顶及招牌尚未完成组装，之后5.25秒画面切换为蓝色标题页。选择4.50秒作为关键帧，模型完整清晰且无遮挡。","start_frame":102,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[450.5,615.7,547.9,778.7],"positive_points":[[499,630],[496,652],[489,697],[517,709],[465,731],[513,765]],"negative_points":[[459,632],[540,660],[452,782],[575,700]],"evidence":"目标位于第四行第五格，由黄色“envato”屋顶招牌和多层玻璃立面识别。边界框覆盖屋顶设施、完整楼体、树木绿化及地面平台，不含格子底色和外部投影。正点分布在屋顶、招牌、立面、树木与平台上；负点位于外围底色及右侧相邻格的人群上。"}},{"name":"Crowd icon","description":"Compact group of upright blue and yellow human figures in the sixth cell of the fourth row.","membership":"Include all figures making up this group, following their individual outlines. Exclude the colored cell and cast shadows.","id":"obj_037","temporal":{"status":"found","start_s":4.25,"end_s":5.25,"reference_s":4.5,"evidence":"目标是网格第四行第六格中由蓝、黄色直立人形组成的人群，不包括底色和阴影。4.25秒首次可见完整人群，持续到5.00秒；此前4.00秒人群仍在逐步增加、显现，之后5.25秒已切换为蓝色文字画面。选择4.50秒作为关键帧，人群完整清晰，且无遮挡。","start_frame":102,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[561.5,673.1,660,753.7],"positive_points":[[568,723],[580,687],[585,730],[602,731],[619,716],[653,724]],"negative_points":[[573,636],[647,778],[667,711],[547,717]],"evidence":"目标是第四行第六格内由蓝色和黄色直立人形组成的人群图标。边界框紧贴整组人物的可见外缘，不含格子底色及投影；六个正点分布在左、中、右及上部人物实体上，负点位于人群外的底色、格间边界和邻格建筑处。"}},{"name":"Thumbs-down hand icon","description":"Hand emerging from a blue suit sleeve and pointing its thumb downward in the seventh cell of the fourth row.","membership":"Include the hand, cuff, and visible sleeve as one complete gesture icon. Exclude the cell background and shadow.","id":"obj_038","temporal":{"status":"found","start_s":3.75,"end_s":5.25,"reference_s":4.5,"evidence":"目标是图标网格第四行第七格中拇指向下的手，连同白色袖口和蓝色西装袖子。3.75秒首次完整可见，持续至5.00秒；前一帧3.50秒该图标仍被画面右边界裁切，后一帧5.25秒已切换为蓝底标题画面。选择4.50秒为关键帧，手势与袖子清晰完整，无遮挡且易于区分。","start_frame":90,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[678.1,666.7,762.5,740.7],"positive_points":[[685.4,692.6],[688.5,723.1],[700.5,694.4],[712,694.4],[726,695.4],[754.2,690.7]],"negative_points":[[718.8,634.3],[722.9,763.9],[672.4,718.5],[804.7,690.7]],"evidence":"目标位于第四行第七格，是蓝色西装袖口伸出的拇指向下手势。边界框紧贴手、白色袖口及可见蓝色衣袖，不含背景和阴影。六个正点分布于手掌、下垂拇指、袖口和衣袖；负点位于周围青色背景及右侧另一手势上。"}},{"name":"Thumbs-up hand icon","description":"Hand emerging from a blue suit sleeve and raising its thumb in the eighth cell of the fourth row.","membership":"Include the hand, cuff, and visible sleeve as one complete gesture icon. Exclude the cell background and shadow.","id":"obj_039","temporal":{"status":"found","start_s":3.75,"end_s":5.25,"reference_s":4.5,"evidence":"目标是网格第四行第八格中竖起拇指的手势，包含手、白色袖口及蓝色西装袖。3.75秒首次完整可见，持续至5.00秒；前一帧3.50秒仍在画面右边缘被裁切，后一帧5.25秒已切换为标题画面。选择4.50秒作为关键帧，手势轮廓清晰完整，且无遮挡。","start_frame":90,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[790.6,644.4,876,730.6],"positive_points":[[803.1,659.3],[805.7,693.5],[825.5,694.4],[839.1,697.2],[861.5,697.2],[864.1,717.6]],"negative_points":[[831,627],[830,760],[718,698],[944,697]],"evidence":"目标位于第四行第八格，为蓝色西装袖口伸出的竖拇指手势。边界框紧贴手、白色袖口和可见蓝色衣袖，不含背景及阴影。六个正点分布于拇指、手掌、袖口和衣袖；负点位于格内外部背景及相邻的拇指向下、握手图标上。"}},{"name":"Handshake icon","description":"Two clasped hands extending from blue and dark suit sleeves in the rightmost cell of the fourth row.","membership":"Include both hands, cuffs, and visible sleeve sections. Exclude the colored cell and shadow.","id":"obj_040","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.5,"evidence":"目标是图标网格第四行最右格中的握手图标，包含两只交握的手、袖口及蓝色和深色西装袖段，不含背景格和阴影。首个完整呈现帧为4.00秒，最后符合条件的帧为5.00秒；此前3.75秒目标仍被画面右边界裁切，之后5.25秒已切换为蓝底标题画面。选择4.50秒作为关键帧，握手及两侧袖段完整清晰、无遮挡。","start_frame":96,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[887.5,643.5,994.3,723.1],"positive_points":[[900,673],[925,690],[935.4,700],[947.4,706.5],[955.2,688.9],[976.6,674.1]],"negative_points":[[903.6,746.3],[942.7,626.9],[979.2,749.1],[844.8,694.4]],"evidence":"目标位于第四行最右格，是蓝色与深色西装袖口伸出的握手图标。边界框紧贴双手、白色袖口和可见衣袖，不包含底色及阴影。六个正点分布于两侧衣袖、袖口和双手；负点位于周围单元格背景及左邻的点赞图标上。"}},{"name":"Rising bar chart icon","description":"Purple and magenta columns increasing in height from left to right in the bottom-left cell of the montage.","membership":"Include every column in this chart throughout its height animation. Exclude the colored cell and cast shadows.","id":"obj_041","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.5,"evidence":"目标是图标网格左下角的紫色、品红色柱状图，包含所有柱子，不含底色和投影。4.00秒首次完整可见，随后柱高变化仍属于同一图标，最后合格帧为5.00秒。此前3.75秒该图表尚未完整进入画面，5.25秒已切换为蓝色标题画面。选择4.50秒作为关键帧，柱子从左向右递增，轮廓清楚且无遮挡。","start_frame":96,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[15.6,846.3,97.4,955.6],"positive_points":[[22,939],[39,930],[56,922],[73,904],[90,866],[89,939]],"negative_points":[[50,829],[9,915],[106,932],[136,908]],"evidence":"目标位于左下角单元格，是五根从左到右逐渐升高的紫色、品红色柱体。边界框紧贴所有可见柱体，不含底色和投影。正点覆盖每根柱体，并在最高柱的上下部分取点；负点位于外围背景及右侧另一组下降柱状图上。"}},{"name":"Falling bar chart icon","description":"Purple and magenta columns decreasing in height from left to right in the second cell of the bottom row.","membership":"Include every column in this chart throughout its height animation. Exclude the colored cell and cast shadows.","id":"obj_042","temporal":{"status":"found","start_s":4.25,"end_s":5.25,"reference_s":4.5,"evidence":"目标是底行第二格中从左向右递减的紫色、洋红色柱形图，不包括色块背景和投影。4.25秒首次可见全部柱子完整建立，之后的高度动画保留，最后合格帧为5.00秒。前一帧4.00秒仅显现部分柱子，图表尚未完整；后一帧5.25秒已切换为蓝色标题画面。选择4.50秒作为关键帧，全部柱子清晰且无遮挡。","start_frame":102,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[129.2,842.6,210.4,955.6],"positive_points":[[135.5,855.6],[135.5,936.1],[153.1,886.1],[169.8,915.7],[187.3,935.2],[204.2,945.4]],"negative_points":[[122.9,884.3],[182.3,866.7],[213.5,925],[169.8,975]],"evidence":"目标位于底行第二格，是从左到右逐渐降低的五根紫红色柱。边界框紧贴全部可见柱体，不包括彩色单元格和投影；六个正点分布在五根柱体上，四个负点位于图表外围的背景。"}},{"name":"Descending coin stacks","description":"Gold coin stacks decreasing in height from left to right in the third cell of the bottom row.","membership":"Include all stacks and moving coins belonging to this descending financial chart. Exclude the colored cell and cast shadows.","id":"obj_043","temporal":{"status":"found","start_s":5.0,"end_s":5.25,"reference_s":5.0,"evidence":"目标是底行第三格中从左到右逐级降低的金色硬币堆，不包含底色和阴影。此前硬币陆续落下构建图表，4.75秒仍有硬币悬在最右侧堆上方、初始堆叠尚未完成；5.00秒各堆完整呈现，是首个及最后一个合格帧。5.25秒已切换为蓝色标题画面。选择5.00秒作关键帧，所有币堆清晰可辨且无遮挡。","start_frame":120,"end_frame":126,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[236.5,866.7,325,953],"positive_points":[[242.5,876],[243,935],[262,912],[281,928],[300,937],[319,942]],"negative_points":[[280,838],[276,975],[327,879],[204,942]],"evidence":"目标位于底行第三格，是从左到右逐渐降低的五组金币堆。边界框紧贴全部可见金币，不包含底色和投影；六个正点分布于各金币堆，四个负点位于外围底色及左侧相邻柱状图上。"}},{"name":"Left bullseye target icon","description":"Red-and-white circular target on a thin tripod in the fourth cell of the bottom row, immediately left of another target.","membership":"Include this target’s full disc, enclosed concentric pattern, stand, and arrows participating in its animation. Exclude the neighboring target, cell background, and shadows.","id":"obj_044","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.5,"evidence":"目标是网格底行第四格、紧邻另一靶标左侧的红白同心圆靶，包含细三脚架及动画箭矢。4.00秒首次完整显示靶盘和支架，持续至5.00秒；前一帧3.75秒支架仍被画面底边裁切，后一帧5.25秒已切换为蓝色标题画面。选择4.50秒作为关键帧，目标结构清晰完整，且容易与右侧靶标区分。","start_frame":96,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[365.6,813.9,419.3,981.5],"positive_points":[[400.5,822.2],[398.4,863.9],[405.7,887.0],[390.6,942.6],[411.5,938.9],[371.9,846.3]],"negative_points":[[505.2,863.9],[351.6,925.9],[317.7,942.6],[428.1,820.4]],"evidence":"目标是底行第四格、另一靶标左侧的红白同心圆靶。边界框覆盖完整靶盘、细三脚支架及左侧飞行箭，不含投影。正���分布于靶盘、支架和箭身；负点位于相邻靶标、金币及外围单元格背景。"}},{"name":"Right bullseye target icon","description":"Second red-and-white circular target on a tripod in the fifth cell of the bottom row, immediately right of the first target.","membership":"Include this target’s full disc, enclosed concentric pattern, stand, and arrows participating in its animation. Exclude the neighboring target, cell background, and shadows.","id":"obj_045","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.75,"evidence":"目标是图标网格底行第五格、左侧靶标紧邻右方的红白同心圆靶，包含三脚支架及动画箭矢。首个合格帧为4.00秒，靶盘与支架已完整可见；前一帧3.75秒支架仍被画面底边裁切。最后合格帧为5.00秒，下一帧5.25秒已切换为蓝色标题画面，目标消失。选择4.75秒作为关键帧，靶盘、支架和箭矢清晰，且易与左侧靶标区分。","start_frame":96,"end_frame":126,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[483.3,814.8,524,976],"positive_points":[[501.8,832.4],[516.4,862.1],[506.3,865.7],[497,940.7],[510.4,950.9],[520,956.5]],"negative_points":[[400.5,865.7],[466.7,891.7],[539.1,941.7],[501,792.6]],"evidence":"目标是底行第五格、左侧靶标右边的第二个红白靶标。框覆盖完整靶盘、同心图案、三脚支架及可见箭矢，不含阴影。正点分布在靶盘和支架上；负点位于左邻靶标及目标外围背景。"}},{"name":"Montage rocket icon","description":"Small white rocket with a mint nose and fins, circular porthole, and launch animation in the sixth cell of the bottom row.","membership":"Include the rocket body, nose, trim, porthole, and fins. Exclude exhaust, launch glow, smoke, the colored cell, and shadow.","id":"obj_046","temporal":{"status":"found","start_s":4.5,"end_s":5.25,"reference_s":4.75,"evidence":"目标是图标拼贴底行第六格的白色火箭，带薄荷色尖头和尾翼、圆形舷窗。4.50秒首次完整呈现，至5.00秒仍完整可见，发射光焰不计入目标。此前4.25秒仍在显现，尾翼等结构尚未完整；之后5.25秒画面切换为文字标题，火箭消失。选择4.75秒作为关键帧，火箭轮廓清楚，且尚无明显发射光焰干扰。","start_frame":108,"end_frame":126,"reference_frame":114},"grounding":{"status":"found","bbox_xyxy":[588,816.7,631.8,973.1],"positive_points":[[610.9,832.4],[599.5,881.5],[616.1,870.4],[593.2,944.4],[626,945.4],[615.1,949.1]],"negative_points":[[573,880],[647,923],[641,831],[508,858]],"evidence":"目标是底排第六格的白色薄荷绿火箭。框覆盖鼻锥、机身、舷窗、饰边和各尾翼，不含喷气、光晕、烟雾或投影。六个正点分布在鼻锥、白色机身、舷窗及三片尾翼上；负点位于周围粉色背景及左侧另一格的靶标上。"}},{"name":"Left balance scale icon","description":"Gold two-pan balance in the seventh cell of the bottom row, displaying contrasting white and dark graphic objects on its pans.","membership":"Include the base, upright, beam, suspension lines, pans, and carried objects. Exclude the adjacent scale, colored cell, and shadow.","id":"obj_047","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.5,"evidence":"目标是底行第七格的左侧金色双盘天平，包含底座、立柱、横梁、悬线、托盘及盘上的白色和深色物件，与右邻天平区分。首个完整呈现帧为4.00秒，最后合格帧为5.00秒；此前3.75秒天平下部仍被画面底边裁切，此后5.25秒已切换为蓝色标题画面。选择4.50秒作为关键帧，目标结构及两盘物件清晰完整、无遮挡。","start_frame":96,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[670.3,823.1,765.6,970.4],"positive_points":[[719.3,957.4],[719.8,879.6],[699,847.2],[688.5,908.3],[746.9,913],[755.7,934.3]],"negative_points":[[828.1,892.6],[676.6,813],[764.6,869.4],[610.4,902.8]],"evidence":"目标是底行第七格的左侧金色双盘天平，两盘分别承载白色和深色图形。边界框覆盖底座、立柱、横梁、悬线、托盘及承载物，不含阴影。正点分布在天平结构和两件承载物上；负点位于外围底色、右侧相邻天平及左侧火箭图标上。"}},{"name":"Right balance scale icon","description":"Second gold two-pan balance in the eighth cell of the bottom row, with objects appearing on its pans during the animation.","membership":"Include this scale’s base, upright, beam, suspension lines, pans, and changing carried contents. Exclude the adjacent scale, colored cell, and shadow.","id":"obj_048","temporal":{"status":"found","start_s":4.0,"end_s":5.25,"reference_s":4.5,"evidence":"目标是图标网格底行第八格的金色双盘天平，位于另一架天平右侧，包含天平结构及变化中的盘上物品。首个合格帧为4.00秒，末个为5.00秒；此前3.75秒天平底部仍被画面下边界裁切，此后5.25秒已切换为蓝色文字画面。选择4.50秒为关键帧，天平结构完整清晰、盘上物品可见，且易与左侧相邻天平区分。","start_frame":96,"end_frame":126,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[779.7,823.1,880.2,970.4],"positive_points":[[811,848],[829,893],[829,955],[799,909],[862,912],[871,931]],"negative_points":[[719,955],[803,813],[873,976],[940,926]],"evidence":"目标是底排第八格的右侧金色双盘天平。框覆盖底座、立柱、横梁、悬线、托盘及盘上物品，不含阴影。正点分布在横梁、立柱、底座、盘中物品和右托盘；负点位于左邻天平、色块背景及右邻金币上。"}},{"name":"Ascending coin stacks","description":"Gold coin stacks increasing in height from left to right in the rightmost cell of the bottom row.","membership":"Include all stacks and moving coins belonging to this ascending financial chart. Exclude the colored cell and cast shadows.","id":"obj_049","temporal":{"status":"found","start_s":4.5,"end_s":5.25,"reference_s":5.0,"evidence":"目标位于网格最底行最右格，是从左到右逐渐升高的金色硬币堆，包含其上方运动的硬币。4.50秒首次呈现完整的递增堆叠结构，持续至5.00秒；此前4.25秒右侧高堆仍在落币形成中，之后5.25秒已切换为蓝色标题画面。选择5.00秒作为关键帧，因为各堆轮廓清楚、遮挡少。","start_frame":108,"end_frame":126,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[894.8,867.6,984.4,953.7],"positive_points":[[900.8,942.2],[919.9,934.3],[938.7,924.1],[958,911.1],[977,875.9],[977.1,937.2]],"negative_points":[[901,902],[953,842],[992,919],[972,977]],"evidence":"目标位于底行最右侧单元格，是从左到右逐渐增高的五组金币堆。边界框紧密覆盖全部可见金币，不包含底色与投影；六个正点分布在各金币堆及最高堆的上下部，四个负点位于金币外侧的单元格背景。"}},{"name":"Animated icons ranking title","description":"Main title first shown as oversized “Top 10 Best,” then revealed as “Top 10 Best Animated Icons Packs,” later centered in blue on pale blue.","membership":"Include the principal title’s letters through scaling, wording reveal, and color changes. Exclude background panels, temporary echo copies, decorative circles, and overlaid bars.","id":"obj_050","temporal":{"status":"found","start_s":5.75,"end_s":8.0,"reference_s":7.25,"evidence":"目标为主标题“Top 10 Best Animated Icons Packs”，不含上下临时重影及装饰。5.75秒首次完整显示标题，随后缩放并由浅色字变为浅蓝背景上的蓝字；最后合格帧为7.75秒。前一帧5.50秒仅显示放大且边缘裁切的“Top 10 Best”，完整标题尚未揭示；后一帧8.00秒已切换为“3D STORIES”。选择7.25秒，主标题清晰完整，无重影或遮挡。","start_frame":138,"end_frame":192,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[254.7,451.9,745.3,502],"positive_points":[[257,456.5],[321.9,477.8],[357.3,475],[469,478],[580.7,473.1],[718.8,476.9]],"negative_points":[[453,201],[508,312],[300,573],[499,551]],"evidence":"目标是画面中央蓝色主标题“Top 10 Best Animated Icons Packs”。边界框紧贴整行文字，包含字母间隙；六个正点分布在标题各部分的字形笔画上，四个负点位于上方装饰圆环、左下黄色圆点及标题下方的浅蓝背景，排除装饰与背景。"}},{"name":"3D STORIES emblem","description":"Large dimensional title emblem on a marble presentation: magenta “3D” above white “STORIES” on a curved blue plaque.","membership":"Include the complete dimensional emblem, its letter faces, extruded edges, white and blue outlines, and the enclosed blue plaque surface. Exclude the marble background, crossing colored bars, and lower collection caption.","id":"obj_051","temporal":{"status":"found","start_s":8.0,"end_s":8.75,"reference_s":8.5,"evidence":"目标是大理石背景上的立体徽章：洋红色“3D”位于白色“STORIES”和弧形蓝色底牌上方，包含挤出边缘及白蓝描边。首个合格帧为8.00秒，徽章结构已完整，横穿彩条仅造成局部遮挡；最后合格帧为8.50秒。此前7.75秒仍是浅蓝色标题画面；此后8.75秒徽章被蓝色转场遮罩移除。选择8.50秒作为关键帧，其整体轮廓和立体边缘清晰，彩条遮挡较少。","start_frame":192,"end_frame":210,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[277,116,717,690],"positive_points":[[414,194],[427,399],[617,294],[306,463],[504,526],[653,571]],"negative_points":[[594,513],[724,660],[223,521],[519,847]],"evidence":"目标是中央洋红色“3D”与蓝色弧形底牌上白色“STORIES”组成的立体徽标。框覆盖完整字面、挤出边缘、白蓝描边及底牌。正点分布在上下文字和蓝色牌面；负点位于遮挡徽标的黄色与浅蓝色横条、左侧大理石背景及下方收藏标题，均不属于徽标。"}},{"name":"CORPORATE COLLECTION caption","description":"White uppercase “CORPORATE COLLECTION” below the 3D STORIES emblem, placed across a cyan strip.","membership":"Include only the caption letters. Exclude the cyan backing strip, emblem, background, and overlaid rectangles.","id":"obj_052","temporal":{"status":"found","start_s":8.0,"end_s":8.75,"reference_s":8.5,"evidence":"目标是3D STORIES徽章下方青色横条上的白色大写“CORPORATE COLLECTION”字母，不包括横条及装饰矩形。首个合格帧为8.00秒，末个为8.50秒；期间装饰矩形的局部遮挡不改变字幕的连续存在。前一帧7.75秒仍是标题画面，尚无该字幕；后一帧8.75秒蓝色圆形转场已遮去字幕。选择8.50秒作为关键帧，字母清晰且遮挡最少。","start_frame":192,"end_frame":210,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[317.2,831.5,680.2,867.6],"positive_points":[[320.8,843.5],[381.8,849.1],[421.4,850.9],[508.9,835.2],[578.6,849.1],[676.6,851.9]],"negative_points":[[500,818.5],[500,879.6],[494.8,541.7],[729.2,916.7]],"evidence":"目标为画面下方青色横条上的白色大写“CORPORATE COLLECTION”。边界框紧贴整段可见文字；六个正点分布在不同字母笔画上。负点分别位于青色底条、黄色遮挡矩形、上方徽标及外部大理石背景，均不属于字幕字母。"}},{"name":"Central Envato leaf mark","description":"Large standalone white leaf-shaped brand symbol centered on a bright blue interstitial after the corporate collection title.","membership":"Include the complete white leaf silhouette, following its notched outline. Exclude the blue field, surrounding circles and bars, and corner watermark.","id":"obj_053","temporal":{"status":"found","start_s":8.75,"end_s":10.0,"reference_s":9.5,"evidence":"目标是亮蓝色过场中央独立的白色 Envato 叶形标志，带清晰缺口，不含周围圆环、横条及右上角水印。首个合格帧为8.75秒，最后合格帧为9.75秒；此前8.50秒仍是“3D STORIES”标题画面，之后10.00秒中央叶形已消失。选择9.50秒作为关键帧，叶形轮廓完整、无遮挡且与装饰元素分离清楚。","start_frame":210,"end_frame":240,"reference_frame":228},"grounding":{"status":"found","bbox_xyxy":[450.5,402.8,546.9,596.3],"positive_points":[[458,513],[522,430],[495,479],[534,517],[505,574],[471,552]],"negative_points":[[420,490],[570,515],[858,320],[428,722]],"evidence":"目标是画面中央独立的大号白色 Envato 叶片标志。边界框紧贴完整叶片轮廓，包含左侧尖端及内凹缺口所界定的形状。六个正点分布于白色叶片各部分；负点位于外围蓝色背景、右侧白色圆环及下方浅蓝横条，排除装饰元素和角落水印。"}},{"name":"Large launching rocket","description":"Standalone three-dimensional white rocket on a marble floor, with a turquoise nose and fins, magenta band, and metallic-rimmed circular porthole; it begins lifting off.","membership":"Include the complete rocket body, nose, band, porthole and enclosed window, fins, and lower nozzle throughout launch. Exclude exhaust flame, glow, smoke, floor shadow, marble surroundings, and transition graphics.","id":"obj_054","temporal":{"status":"found","start_s":10.25,"end_s":11.0,"reference_s":10.25,"evidence":"目标是大理石地面上的独立白色三维火箭，具有青绿色尖顶和尾翼、洋红色环带及金属边框圆窗。10.25秒首次完整显示火箭自身结构，左侧转场图形未遮挡火箭；此前10.00秒仍是蓝色转场，未见火箭。最后合格帧为10.75秒，火箭开始升起，烟雾和火焰不计入目标。区间延续至视频末尾11.00秒，无后续采样帧。选择10.25秒作为关键帧，因为火箭轮廓清晰，尾翼和下部喷嘴尚未受烟雾遮挡。","start_frame":246,"end_frame":264,"reference_frame":246},"grounding":{"status":"found","bbox_xyxy":[400.5,173.1,594.8,878.7],"positive_points":[[500,239],[524,416],[479,563],[424,745],[529,768],[576,737]],"negative_points":[[482,865],[640,550],[340,420],[40,500]],"evidence":"图中中央为白色立体火箭，具有青绿色鼻锥和尾翼、洋红色环带及金属边框舷窗。边界框紧贴完整火箭，覆盖鼻锥、机身、舷窗、各尾翼和底部喷嘴。六个正点分布在鼻锥、窗面、机身及三片主要尾翼；负点位于地面阴影、大理石背景和左侧蓝色转场图形，不包含在目标内。"}}]}
+{"video_id":314,"video_type":"icons and abstract motion graphics","targets":[{"name":"Number Ten title","description":"Opening title with a small “Number” above the much larger “Ten”; initially blue, then white, and later moved toward the left.","membership":"Includes both words as one text block. Excludes the circular wipe, surrounding shapes, background, and watermark.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":2.5,"reference_s":1.5,"evidence":"目标为小字“Number”位于大字“Ten”上方的完整标题，先呈蓝色，随后变白并向左移动。首个合格帧为0.00秒，已完整显示；视频起点之前无采样帧。最后合格帧为2.25秒，左移后的两词仍完整可见；紧邻的2.50秒帧中标题已消失。选择1.50秒作为关键帧，标题居中、清晰且无遮挡，易于区分背景和水印。","start_frame":0,"end_frame":60,"reference_frame":36},"grounding":{"status":"found","bbox_xyxy":[381.3,390.7,622.4,590.7],"positive_points":[[479.7,416.7],[559.4,411.1],[400,419.4],[422.4,535.2],[499,518],[615,535]],"negative_points":[[340,500],[650,510],[500,670],[900,83]],"evidence":"图像中央的白色标题由上方较小的“Number”和下方较大的“Ten”组成。边界框紧密覆盖两个单词的完整文字块；六个正点分布在两行字的实际笔画上，负点位于标题外的浅蓝背景及右上角水印处。"}},{"name":"Motion elements title","description":"Central promotional heading assembled from moving turquoise letters spelling “MOTION,” followed by the thin white word “elements.”","membership":"Includes the letters of the complete heading throughout their assembly. Excludes surrounding dots, lines, circles, background, and overlaid credit banner.","id":"obj_002","temporal":{"status":"found","start_s":3.25,"end_s":4.75,"reference_s":4.0,"evidence":"目标是画面中央青绿色“MOTION”和下方细白字“elements”组成的完整标题，不含装饰和署名横幅。3.25秒首次完整显示；此前3.00秒下方白字仍在揭示。最后合格帧为4.50秒，标题虽随转场缩放模糊但仍完整；4.75秒已消失。选择4.00秒作为关键帧，标题清晰且未被横幅遮挡。","start_frame":78,"end_frame":114,"reference_frame":96},"grounding":{"status":"found","bbox_xyxy":[298.4,367.6,670.3,592.6],"positive_points":[[308.3,421.3],[483.3,412],[662,425.9],[338.5,581.5],[377.1,537],[629.7,574.1]],"negative_points":[[554.2,265.7],[240.6,450],[286.5,759.3],[729.2,564.8]],"evidence":"目标为中央青绿色“MOTION”和下方细白色“elements”组成的完整两行标题。边界框紧贴全部文字，正点分布在两行字母的实际笔画上；负点位于外围装饰圆点、下方蓝色覆盖横幅及右侧紫色背景，均不包含在标题中。"}},{"name":"Animated element count","description":"Bold white promotional text reading “300 animated elements,” below the central heading.","membership":"Includes this complete text line only; excludes the category line below it and any overlaid banner.","id":"obj_003","temporal":{"status":"found","start_s":3.25,"end_s":4.75,"reference_s":3.75,"evidence":"目标为中央标题下方的粗体白字“300 animated elements”，不包含下方分类文字或蓝色横幅。首个合格帧为3.25秒，文字行已出现，但部分被前景横幅遮挡；3.00秒尚无该行。最后合格帧为4.50秒，文字随画面缩放而模糊但仍存在；4.75秒已切换画面，目标消失。选择3.75秒作为关键帧，因为整行文字清晰且无遮挡。","start_frame":78,"end_frame":114,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[363.5,844.4,636.5,878.7],"positive_points":[[370.8,849.1],[387,849.1],[451,863],[521.9,859.3],[534.9,863],[630.2,873.1]],"negative_points":[[493,824],[487,925],[292,702],[656,862]],"evidence":"目标是中央标题下方的白色粗体“300 animated elements”。边界框紧贴完整单行文字；六个正点分布在数字和两个单词的字形笔画上，负点位于上方背景、下方分类文字、蓝色横幅和右侧背景，均不属于目标。"}},{"name":"Element category list","description":"White line reading “Shapes | Motion Graphic Elements | Social Media Icons | Icons | Backgrounds | Abstract Lines” along the bottom of the purple title scene.","membership":"Includes the entire category text and its separators. Excludes the background and overlapping graphics.","id":"obj_004","temporal":{"status":"found","start_s":3.25,"end_s":4.75,"reference_s":3.75,"evidence":"目标是紫色标题场景底部的白色类别文字及全部竖线分隔符。3.25秒首次完整显示，前一帧3.00秒尚无该文字行；4.50秒虽随画面缩放而模糊，但整行仍在画面内，属于完整对象的运动，4.75秒已切换背景且文字消失。选择3.75秒作为关键帧，因为整行清晰、完整且无遮挡。","start_frame":78,"end_frame":114,"reference_frame":90},"grounding":{"status":"found","bbox_xyxy":[44.8,908.3,949.5,947.2],"positive_points":[[58.9,924.1],[134.4,923.1],[292.7,922.2],[398.4,915.7],[666.1,924.1],[901.0,925.9]],"negative_points":[[26.6,925.9],[500,972.2],[500,863],[781.3,875]],"evidence":"目标是紫色画面底部从“Shapes”到“Abstract Lines”的白色类别列表。边界框紧贴整行文字并包含所有竖线分隔符；六个正点分布在不同位置的文字笔画上，负点位于行外背景及上方独立的“300 animated elements”文字上。"}},{"name":"Black outline geometry pattern","description":"First demonstration's upper-left arrangement of small black outlined squares, triangles, arches, circles, and angled strokes on a light gray field.","membership":"Includes the coordinated pattern's individual strokes and closed shapes, including areas enclosed by closed outlines. Excludes the gray field and neighboring colored demonstrations.","id":"obj_005","temporal":{"status":"found","start_s":5.5,"end_s":5.75,"reference_s":5.5,"evidence":"目标是第一组演示左上方浅灰底上的黑色轮廓几何图案，包含方框、三角形、圆弧、圆圈及折线，不含邻近彩色图案。5.50秒为首个且最后一个完整呈现的采样帧；此前5.25秒图案仍在逐步展开，部分线条尚未形成完整组合；此后5.75秒画面放大退出，图案开始被画面边缘裁切。选择5.50秒作为关键帧，因为轮廓清晰、组合完整且易与相邻演示区分。","start_frame":132,"end_frame":138,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[0,29.6,337,294.4],"positive_points":[[51,74],[127,88],[308.3,100],[245.8,219.4],[306.8,281.5],[116,278]],"negative_points":[[200,315],[380,145],[500,165],[164,500]],"evidence":"目标是左上角浅灰底上的黑色几何图案组。边界框覆盖可见的方框、三角形、圆圈、拱线、波浪线和斜折线，包括左侧被裁切的笔画。正点分布在轮廓笔画及闭合形状内部；负点位于图案外的灰色背景和相邻彩色示例上。"}},{"name":"Blue diamond and colored bars","description":"Upper-center demonstration with a solid blue diamond, small blue rings, and diagonal pink and orange rounded bars.","membership":"Includes the central diamond and its coordinated surrounding bars and rings. Closed shapes include their interiors; spaces between separate elements and the background are excluded.","id":"obj_006","temporal":{"status":"found","start_s":5.5,"end_s":6.0,"reference_s":5.5,"evidence":"目标位于上方中央，由实心蓝色菱形、上下蓝色小圆环及粉色、橙色斜向圆角条组成。首个合格帧为5.50秒；此前5.25秒的上方彩条仍被画面顶边裁切。5.75秒虽有缩放运动模糊，但整组结构仍完整可见，为最后合格帧；6.00秒已切换为深色背景，目标消失。选择5.50秒作为关键帧，形状清晰且无遮挡。","start_frame":132,"end_frame":144,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[452.1,41.7,547.4,286.1],"positive_points":[[499,164],[471,99],[528,99],[471,226],[528,226],[499.5,53]],"negative_points":[[416,163],[582,164],[500,326],[570,80]],"evidence":"目标位于图像上方中央，由实心蓝色菱形、四条粉色或橙色斜向圆角条及上下两个蓝色小环组成。边界框紧密覆盖全部这些元素；正点分布在菱形、四条彩色条和上方小环内，负点位于两侧白色图形及外围背景，避开目标内部空隙。"}},{"name":"Pink square and blue rings","description":"Upper-right demonstration featuring a rotating pink square between blue outlined circles, accompanied by white curved and angled strokes.","membership":"Includes the pink square, blue rings, and associated white strokes in this local animation. Excludes adjacent demonstrations and the underlying gray field.","id":"obj_007","temporal":{"status":"found","start_s":5.5,"end_s":6.0,"reference_s":5.5,"evidence":"目标位于右上方灰底演示区：旋转的粉色方块夹在两个蓝色空心圆之间，并带有白色曲线和斜线。首个完整呈现帧为5.50秒，5.25秒时外围白色笔画仍在显露，右侧部分触及画面边界；最后 qualifying 帧为5.75秒，虽有缩放模糊但结构仍完整，6.00秒已被深色画面替换。选择5.50秒作为关键帧，因形状清晰、各成员易于区分。","start_frame":132,"end_frame":144,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[682,127,993,338],"positive_points":[[837,161],[746,161],[921,145],[848,257],[724,299],[956,313]],"negative_points":[[789,204],[657,223],[500,163],[836,321]],"evidence":"目标位于右上方：粉色方块两侧各有蓝色圆环，下方有白色波浪及两组斜线。边界框覆盖这些可见图形，不含右上水印。六个正点分别落在方块、两个圆环、白色波浪和两侧斜线上；负点位于灰色背景、相邻蓝色菱形及不属于指定成员的橙色图形上。"}},{"name":"Red target and yellow diamond motif","description":"Left side of the cream middle strip, where a yellow diamond containing a smaller red diamond sits between red-and-black circular targets connected by green lines.","membership":"Includes the central nested diamond, flanking targets, connecting lines, and associated red circular elements. Includes interiors of closed shapes, but excludes background between disconnected elements.","id":"obj_008","temporal":{"status":"found","start_s":5.5,"end_s":6.0,"reference_s":5.5,"evidence":"目标位于奶油色中间横带左侧，由黄红嵌套菱形、两侧红黑靶心、绿色连接线及红色圆形组成。5.50秒首次结构完整；5.25秒绿色连接线尚未完整显现。5.75秒仍为完整图案，仅随画面缩放产生模糊，是最后合格帧；6.00秒已被深色画面替换。选择5.50秒作为关键帧，图案清晰且遮挡最���。","start_frame":132,"end_frame":144,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[97.4,336.1,228.6,663.9],"positive_points":[[162.5,500],[111,500],[214.6,500],[131.8,500],[162.5,351.9],[162.5,650]],"negative_points":[[45,500],[287,500],[250,400],[250,620]],"evidence":"目标位于奶油色中间条带左侧，由中央黄红嵌套菱形、两侧红黑靶环和绿色连线构成。边框还覆盖上下边缘可见的关联红色圆形部分。六个正点分布在菱形、两个靶心、连线及上下红色部分；负点位于左右独立绿色图形及目标外的奶油色背景。"}},{"name":"Green semicircle and yellow triangle motif","description":"Geometric demonstration beside the target motif, formed from a green semicircle and a large yellow triangular wedge.","membership":"Includes the colored semicircular and triangular surfaces, following their actual outlines. Excludes the cream background and neighboring motifs.","id":"obj_009","temporal":{"status":"found","start_s":5.25,"end_s":6.0,"reference_s":5.5,"evidence":"目标位于奶油色中间横带内，由绿色半圆和黄色大三角楔形组成。首个完整帧为5.25秒，最后合格帧为5.75秒，此时虽有运动模糊，两部分仍完整可见。此前5.00秒仅出现绿色部分，黄色三角尚未完整呈现；此后6.00秒画面切换，目标消失。选择5.50秒作为关键帧，轮廓清晰且无遮挡，易与邻近图案区分。","start_frame":126,"end_frame":144,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[273.9,402.8,337,599.1],"positive_points":[[281.3,474.1],[289.6,500.9],[281.3,533.3],[327.1,438.9],[315.1,503.7],[328.1,563]],"negative_points":[[259.4,500],[351.6,500],[315.1,379.6],[163,500]],"evidence":"目标位于图像中部偏左、红色菱形与圆环组合的右侧，由绿色半圆和黄色大三角楔形组成。边界框紧贴两块彩色表面的整体外缘；六个正点分布在绿色半圆及黄色三角形内，负点位于外围奶油色背景及左侧独立的红色菱形上。"}},{"name":"Turquoise-centered radial motif","description":"Center of the cream strip, with a turquoise central dot surrounded by yellow dots, lavender triangles, and fine orbit-like outlines.","membership":"Includes the central dot and coordinated surrounding radial elements. Closed outlines include their enclosed areas; open lines remain open. Excludes the cream field.","id":"obj_010","temporal":{"status":"found","start_s":5.25,"end_s":6.0,"reference_s":5.5,"evidence":"目标位于奶油色横带中央，由青绿色中心点、黄色外围圆点、淡紫色三角形和纤细轨道状轮廓组成。5.25秒首次完整呈现，5.75秒虽随画面缩放而模糊，整体仍完整可见。此前5.00秒仅出现中心点及部分外围圆点，尚未完成组合；之后6.00秒已切换为深色背景，目标消失。选择5.50秒作为关键帧，结构清晰且无遮挡。","start_frame":126,"end_frame":144,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[432.8,381.5,566.7,618.5],"positive_points":[[500,500],[500,390],[438,500],[561.8,500],[500,610],[542.9,577.5]],"negative_points":[[390.6,500],[609.4,500],[500,342.6],[500,648.1]],"evidence":"目标位于奶油色横带中央，以青绿色圆点为中心，周围排列黄色圆点、淡紫色三角形及细轨道轮廓。边界框覆盖整组径向元素；正点落在中心圆点、四向黄色圆点及右下紫色三角形上，负点位于整组图案外侧的奶油色背景。"}},{"name":"Pink-centered orbit motif","description":"Right side of the cream strip, with a large pink circle and smaller turquoise, purple, yellow, and blue circles arranged around fine orbital curves.","membership":"Includes the central circle, satellite circles, and associated orbit curves. Excludes adjacent animations and unmarked background.","id":"obj_011","temporal":{"status":"found","start_s":5.5,"end_s":6.0,"reference_s":5.5,"evidence":"目标位于奶油色横带右侧，由粉色大圆、青绿/紫/黄/蓝色卫星圆及细轨道曲线组成。5.50秒首次完整呈现，5.75秒虽有缩放运动模糊但结构仍完整，为最后合格帧；此前5.25秒卫星圆和轨道尚未全部显现，此后6.00秒已切换为深色背景，目标消失。选择5.50秒作为关键帧，结构清晰且无遮挡。","start_frame":132,"end_frame":144,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[800.5,397.2,881.8,528.7],"positive_points":[[837,473],[810.4,418.5],[875,448.1],[816.7,513.9],[862,518.5],[836,399.5]],"negative_points":[[781,503],[918,617],[961,447],[721,418]],"evidence":"目标位于奶油色横带右侧，以大粉色圆为中心，周围有青绿、紫、黄、蓝色卫星圆及细轨道线。框紧贴全部圆与轨道的可见范围；六个正点分布在中心圆、四个卫星圆及上方轨道线上，负点位于外围背景和相邻的独立动画圆点上。"}},{"name":"Yellow elliptical orbit animation","description":"Lower-center demonstration on black, partially hidden by the credit banner, showing thin yellow elliptical loops and curved segments.","membership":"Includes the visible coordinated yellow loops and segments, with enclosed areas included for closed loops. Excludes the overlaid banner and black background.","id":"obj_012","temporal":{"status":"found","start_s":5.25,"end_s":6.0,"reference_s":5.5,"evidence":"目标是黑色区域下方中央、被蓝色署名横幅部分遮挡的细黄色椭圆轨道及协调弧段。5.25秒首次呈现完整轨道结构，5.75秒仍可见，虽有运动模糊仍属同一完整对象。此前5.00秒仅见初始展开的细小椭圆与短弧，结构尚未充分显现；随后6.00秒轨道消失。选择5.50秒为关键帧，黄色曲线较清晰，便于排除横幅和背景。","start_frame":126,"end_frame":144,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[469.8,663,531,894],"positive_points":[[502.6,666.7],[517.7,693.5],[484.9,888.9],[491.1,886.1],[507.3,884.3],[518.2,888]],"negative_points":[[500,820],[457,921],[564,916],[490,905]],"evidence":"目标位于下方中央黑底演示区，被蓝色字幕条遮挡。框覆盖上方露出的黄色虚线段及字幕条下方的黄色椭圆环和弧段；正点分布在这些可见黄色部分，负点位于字幕条、外部黑底及邻近紫色和白色图形上。"}},{"name":"Green capsule animation","description":"Lower-right demonstration on black, with a bright green horizontal capsule containing a yellow circular end and a white crescent, surrounded by small crosses and triangles.","membership":"Includes the capsule surface and contents and the coordinated nearby geometric marks. Excludes the black field and unrelated neighboring demonstrations.","id":"obj_013","temporal":{"status":"found","start_s":5.75,"end_s":6.0,"reference_s":5.75,"evidence":"目标位于黑色区域右下方：绿色横向胶囊内有黄色圆点和白色月牙，周围配有十字及三角形。5.75秒是该组合完整可见的首个及最后一个合格采样帧；前一帧5.50秒右下方黄色三角形仍被画面下边缘裁切，后一帧6.00秒整组已消失。选择5.75秒作为关键帧，胶囊及所属几何标记均可辨认。","start_frame":138,"end_frame":144,"reference_frame":138},"grounding":{"status":"found","bbox_xyxy":[709,705,984,995],"positive_points":[[825,838],[859,841],[774,720],[899,760],[770,934],[925,971]],"negative_points":[[688,809],[843,702],[991,900],[567,920]],"evidence":"目标位于右下方黑底区域，可由绿色横向胶囊、内部黄色圆形和白色月牙识别。框覆盖胶囊及周围配套的十字、三角形；正点分布在胶囊及上下三角形上，负点位于外围黑底和左侧无关演示图形上。"}},{"name":"Left turquoise diamond burst","description":"Left motif in the red upper strip of the next demonstration, centered on a turquoise hollow diamond with yellow and white angular lines.","membership":"Includes the central diamond frame and its coordinated surrounding diamonds and line segments. Closed frames include enclosed areas; open strokes remain open. Excludes the red background.","id":"obj_014","temporal":{"status":"found","start_s":6.75,"end_s":7.25,"reference_s":6.75,"evidence":"目标位于红色上条带左侧，由青绿色空心菱形及周围黄、白色菱形和线段组成。6.75秒首次完整呈现，7.00秒仍保持完整组合；此前6.50秒外围线框尚未展开完成，之后7.25秒进入径向放大转场，图案向边界移出并被裁切。选择6.75秒作为关键帧，因各组成部分清晰且无遮挡。","start_frame":162,"end_frame":174,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[106.8,65.7,219.8,261.1],"positive_points":[[143,163],[163,71],[163,255],[119,145],[203,138],[207,242]],"negative_points":[[163,36],[90,165],[237,165],[165,293]],"evidence":"目标位于上方红色横带左侧，以青绿色空心菱形为中心，配有白色上下菱形、黄色左右菱形及斜线。边界框覆盖整组图案；六个正点分布于中央框及周围菱形和线段，四个负点位于整组图案外围的红色背景。"}},{"name":"Central nested diamond burst","description":"Center motif in the red strip, featuring a turquoise outer diamond, yellow inner diamond, small white center, and radiating chevrons.","membership":"Includes the nested diamond shapes and associated radiating strokes. Excludes the red field and the separate left and right motifs.","id":"obj_015","temporal":{"status":"found","start_s":6.75,"end_s":7.25,"reference_s":6.75,"evidence":"目标是红色横带中央的青绿色外菱形、黄色内菱形、白色中心及向外辐射的折线，不含左右两侧图案。6.75秒首次完整呈现，7.00秒仍保持完整；前一帧6.50秒仅有微小中心方形和零散笔画，尚未组装完成，后一帧7.25秒已进入强烈缩放转场，目标不再完整可见。选择6.75秒作为关键帧，其嵌套结构及辐射线条清晰可辨。","start_frame":162,"end_frame":174,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[335.9,0,664.6,337],"positive_points":[[459.4,162.5],[509.9,185.2],[500,162.9],[362.2,159.3],[632.3,212],[485.4,294.4]],"negative_points":[[270,164],[144,164],[836.5,138],[500,389]],"evidence":"目标位于红色横带中央，以青绿色外菱形、黄色内菱形和白色中心识别。框覆盖嵌套菱形、左右放射折线及上下延伸至画面边缘的可见线条。正点分布在三层中心图形及左右、下方线条上；负点位于外围红色背景、独立左右图案和下方深色背景。"}},{"name":"Right nested diamond burst","description":"Right motif in the red strip, distinguished by a large white diamond outline around turquoise and yellow diamonds.","membership":"Includes all nested diamond boundaries and enclosed areas, plus the associated short surrounding strokes. Excludes the watermark and background.","id":"obj_016","temporal":{"status":"found","start_s":6.75,"end_s":7.25,"reference_s":6.75,"evidence":"目标位于红色横带右侧，以包围青绿色和黄色菱形的大白色菱形轮廓及周围短线识别。首个完整呈现帧为6.75秒，最后合格帧为7.00秒；此前6.50秒仅出现局部黄色轮廓，嵌套结构尚未完成，之后7.25秒进入放大转场，图案被画面边界裁切。选择6.75秒作为关键帧，嵌套边界和周围短线最清楚。","start_frame":162,"end_frame":174,"reference_frame":162},"grounding":{"status":"found","bbox_xyxy":[707.3,46.3,965.1,280.6],"positive_points":[[729.2,163.0],[941.7,163.0],[774.5,159.3],[834.4,275.0],[875.0,163.0],[836.5,136.1]],"negative_points":[[922.9,81.5],[729.2,92.6],[833.3,305.6],[937.5,222.2]],"evidence":"目标位于顶部红色条带右侧，由白色外菱形及内部青绿、黄色菱形构成。框覆盖全部嵌套菱形及左右短横线；正点分布在菱形边界和两侧短线，负点位于右上水印及图案外的红色背景，不标记菱形内部区域。"}},{"name":"Yellow cross with circular arcs","description":"Left motif on the dark navy middle strip, with a yellow diagonal cross surrounded by light blue and pink circular arcs and small marks.","membership":"Includes the cross and its coordinated circular and satellite elements. Open arcs remain open; closed rings include their interiors. Excludes the navy field.","id":"obj_017","temporal":{"status":"found","start_s":7.0,"end_s":7.25,"reference_s":7.0,"evidence":"目标位于深海军蓝中间横带左侧，由黄色斜十字、浅蓝与粉色圆弧及小卫星标记组成。7.00秒是首个且最后一个完整呈现的采样帧；此前6.75秒外围粉色弧仍在展开，之后7.25秒进入强烈放大模糊转场，图案向画面左侧退出并被裁切。选择7.00秒作为关键帧，组合结构清楚且无遮挡。","start_frame":168,"end_frame":174,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[99,376,242,589],"positive_points":[[171,491],[128,473],[173,563],[174,380],[238,516],[212,468]],"negative_points":[[83,481],[254,490],[175,610],[169,350]],"evidence":"目标位于深海军蓝中间横带左侧，由黄色斜十字、浅蓝色与粉色圆弧及小圆环组成。边界框紧密覆盖这些协调元素；正点分布于十字、两色圆弧和小圆环，负点位于整体图案外侧的背景，不标记圆弧内部空白。"}},{"name":"Small central diamond animation","description":"Small motif at the center of the navy strip, evolving from a pink triangle into nested angular outlines with yellow and turquoise accents.","membership":"Includes the locally coordinated triangle, diamond outlines, and short accent strokes. Excludes the surrounding navy background and neighboring larger motifs.","id":"obj_018","temporal":{"status":"found","start_s":6.75,"end_s":7.5,"reference_s":7.0,"evidence":"目标位于深海军蓝横带中央，由粉色三角形、嵌套菱形轮廓及黄色和青绿色短线组成。6.75秒首次呈现完整组合，7.25秒虽有缩放运动模糊，中央图案仍连续可见。此前6.50秒仅有三角形和部分正在展开的角线，组合尚未完整；之后7.50秒已切换为表情和社交图标画面。选择7.00秒作为关键帧，此时轮廓清楚，与左右较大的图案容易区分。","start_frame":162,"end_frame":180,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[451.6,446.3,549.5,554.6],"positive_points":[[485.4,474.1],[513.5,525.9],[498.4,507.4],[462.0,485.2],[538.0,515.7],[500.0,531.5]],"negative_points":[[427.1,500.0],[572.9,500.0],[500.0,402.8],[500.0,596.3]],"evidence":"目标位于深蓝色横带中央，可见粉色小三角、嵌套菱形轮廓及黄绿松石色短线。框覆盖整组轮廓和两侧短线；六个正点分布于三角、菱形及彩色线段上，四个负点位于整组图案外围的深蓝背景，避开内部空隙及相邻图案。"}},{"name":"Four pink arc motif","description":"Right motif on the navy strip, composed of four pink curved brackets arranged around an empty center, with purple and yellow curved accents.","membership":"Includes the individual curved colored shapes and associated accents. Preserves the open center and spaces between the arcs; excludes the navy field.","id":"obj_019","temporal":{"status":"found","start_s":7.0,"end_s":7.25,"reference_s":7.0,"evidence":"目标位于海军蓝横带右侧，由四组粉色弧形括号及紫色、黄色弧形装饰围成，中心留空。7.00秒是首个及最后一个完整呈现所有指定成员的采样帧；此前6.75秒黄色弧形装饰尚未完整显现，此后7.25秒图案已进入放射状模糊、淡出的转场。选择7.00秒作为关键帧，结构清楚且无遮挡。","start_frame":168,"end_frame":174,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[770.3,400.9,888.5,606.5],"positive_points":[[828.1,462],[808.3,498.1],[849.5,498.1],[828.1,535.2],[828.6,425],[829.2,571.3]],"negative_points":[[744.8,500],[911.5,500],[828.1,365.7],[828.1,637]],"evidence":"目标位于深蓝色横带右侧，由四个粉色弧形括号及紫色、黄色弧形装饰组成。边界框紧包全部彩色图形；正点分布在四个粉色弧和上下彩色装饰上，负点位于图案四周的深蓝色背景，避开内部开放区域及弧间空隙。"}},{"name":"Crossed capsule motif","description":"Lower-left motif on the blue strip, partly covered by the credit banner, with crossing white rounded loops and colored circular ends.","membership":"Includes the crossing capsule outlines, their enclosed areas, and their colored end elements. Excludes the banner and blue background.","id":"obj_020","temporal":{"status":"found","start_s":6.25,"end_s":7.25,"reference_s":6.5,"evidence":"目标是底部蓝色横带左侧、被署名横幅部分遮挡的交叉白色圆角胶囊及彩色端点。6.25秒已呈现完整的小尺寸结构，随后放大移动，最后合格帧为7.00秒。此前6.00秒没有该图案；7.25秒背景径向放大，目标向左下移出，已无完整可见结构。选择6.50秒，露出的交叉轮廓和红、黄端点较清楚，便于与横幅区分。","start_frame":150,"end_frame":174,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[98.96,878.7,157.81,925.93],"positive_points":[[109.9,895.37],[102.08,902.78],[119.79,892.59],[130.21,887.96],[147,908.33],[150.52,920.37]],"negative_points":[[135,850],[90,909],[169,910],[132,941]],"evidence":"目标位于下方蓝色条带左侧、署名横幅下缘，是带红黄圆形端点的交叉白色胶囊环。边界框紧贴横幅下方可见的轮廓与端点，不推测遮挡部分。正点分布于白色轮廓、所围内部及彩色端点；负点位于上方横幅和周围蓝色背景。"}},{"name":"White geometric lattice","description":"Lower-right motif on the blue strip, expanding into a compact array of white crosses, diamonds, wavy strokes, and lines with red and yellow dots.","membership":"Includes the coordinated lattice marks and colored dots. Closed outlines include enclosed areas; open strokes remain open. Excludes the blue field.","id":"obj_021","temporal":{"status":"found","start_s":7.0,"end_s":7.25,"reference_s":7.0,"evidence":"目标位于底部蓝色横带右侧，由白色叉号、菱形、波浪线、短线及红黄圆点组成。7.00秒各组标记已完整呈现，是首个及最后一个合格采样帧；6.75秒仍在逐步展开、补全结构，7.25秒随放大转场向画面外扩散并被边界裁切。选择7.00秒作为关键帧，图案清楚且无遮挡。","start_frame":168,"end_frame":174,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[720.3,705.6,939.1,959.3],"positive_points":[[819.3,742.6],[865.6,714.0],[723.4,781.5],[876.6,921.3],[819.8,938.9],[898.4,950.9]],"negative_points":[[697.9,833.3],[955.7,833.3],[822.9,683.3],[828.1,976.9]],"evidence":"目标是底部蓝色横带右侧的几何点阵。边界框覆盖全部白色叉号、菱形、波浪线、短线及红黄圆点。正点分布于这些图案和圆点上，负点位于点阵外围上下左右的蓝色背景。"}},{"name":"Upper-left round expression character","description":"Yellow circular character at the upper-left of the expression demonstration, with large white eyes and a red smiling mouth; its eyes and expression animate.","membership":"Includes the complete circular face and all facial features. Excludes neighboring characters and the cream background.","id":"obj_022","temporal":{"status":"found","start_s":8.25,"end_s":9.75,"reference_s":8.75,"evidence":"目标是表情展示区左上角的黄色圆脸，具有大白眼和红色笑嘴。首个完整呈现帧为8.25秒，最后合格帧为9.50秒；此前8.00秒圆脸仍被画面上边缘裁切，之后9.75秒转场放大使其被左侧及上侧边缘裁切。选择8.75秒作为关键帧，此时圆脸轮廓和五官清晰完整，无遮挡且易与邻近角色区分。","start_frame":198,"end_frame":234,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[51,49.1,119.8,171.3],"positive_points":[[83.3,62],[63.5,104.6],[79.7,88.9],[97.4,98.1],[81.8,130.6],[97.9,150]],"negative_points":[[35.4,111.1],[140.6,120.4],[246.4,101.9],[83.9,327.8]],"evidence":"目标是图像左上角的黄色圆脸，具有白色大眼睛和红色笑嘴。边界框紧贴完整圆脸并��含全部五官；正点分布在脸部、双眼和嘴部，负点位于左右奶油色背景及右侧、下方的其他圆脸上。"}},{"name":"Upper second round expression character","description":"Yellow circular character second from the left in the top row, distinguished by a broad open smile with visible white teeth.","membership":"Includes the full yellow face and changing facial features. Excludes other characters and background.","id":"obj_023","temporal":{"status":"found","start_s":8.25,"end_s":9.75,"reference_s":8.5,"evidence":"目标是最上排从左数第二个黄色圆脸，具有露出白牙的张嘴笑容。8.25秒首次完整显示，9.50秒为最后合格帧；此前8.00秒脸部仍被画面上边界裁切，之后9.75秒放大转场使其再次被上边界裁切。选择8.50秒作为关键帧，圆脸和五官清晰完整，且与邻近角色容易区分。","start_frame":198,"end_frame":234,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[213.0,42.6,281.8,164.8],"positive_points":[[232.8,63.9],[263.5,61.1],[237.0,88.9],[257.8,88.9],[246.9,125.9],[250.0,148.1]],"negative_points":[[84.9,108.3],[246.9,324.1],[193.8,106.5],[324.0,105.6]],"evidence":"目标是顶排从左数第二个黄色圆脸，张嘴微笑并露出白牙。边界框紧贴完整圆脸，包含全部五官；六个正点分布在额头、双眼、笑嘴及下部脸颊，四个负点位于其他表情角色和左右外部背景。"}},{"name":"Upper third round expression character","description":"Yellow circular character third from the left in the top row, whose small puckered mouth is accompanied by a red heart.","membership":"Includes the circular face, eyes, mouth, and associated heart expression. Excludes adjacent characters and background.","id":"obj_024","temporal":{"status":"found","start_s":8.25,"end_s":10.0,"reference_s":8.5,"evidence":"目标是最上排从左数第三个黄色圆脸，具有双眼、噘嘴及嘴旁红心。首个完整呈现帧为8.25秒；此前8.00秒该角色仍被画面上边界裁切。最后符合条件的是9.75秒，虽随整体画面运动而模糊，但角色仍完整可见；10.00秒已切换为其他画面，目标消失。选择8.50秒作为关键帧，圆脸和红心清楚、无遮挡，易与相邻角色区分。","start_frame":198,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[376,41.7,444.3,163],"positive_points":[[410.4,54.6],[399.5,81.5],[419.3,81.5],[424.5,129.6],[383.9,113],[405.2,148.1]],"negative_points":[[247.9,104.6],[571.9,100.9],[409.4,189.8],[360.4,96.3]],"evidence":"目标为顶排从左数第三个黄色圆脸，具有噘嘴和红色爱心。边界框紧贴完整圆脸，包含眼睛、嘴和爱心；正点分布于额头、双眼、爱心及脸部两侧，负点位于相邻圆脸和目标外的背景。"}},{"name":"Upper-right round expression character","description":"Yellow circular character at the right end of the top character row, showing an alarmed red mouth and later white tears.","membership":"Includes the complete circular face and its animated facial features and tears. Excludes the social icon collection to its right.","id":"obj_025","temporal":{"status":"found","start_s":8.25,"end_s":10.0,"reference_s":8.5,"evidence":"目标是角色区最上排最右侧的黄色圆脸，带惊恐的红色嘴巴，随后出现白色眼泪，右邻社交图标区。首个完整呈现帧为8.25秒；此前8.00秒圆脸顶部仍被画面上边界裁切。最后合格帧为9.75秒，角色虽随转场移动并模糊，但仍完整可见；10.00秒已被新场景替换。选择8.50秒作为关键帧，圆脸及眼泪清晰完整、无遮挡。","start_frame":198,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[538.5,42.6,607.3,164.8],"positive_points":[[568.2,60.2],[563,87],[583.3,87],[552.1,112],[572.9,129.6],[590.6,138.9]],"negative_points":[[518.8,102.8],[572.9,203.7],[704.2,54.6],[409.4,100]],"evidence":"目标是最上排最右侧的黄色圆脸，具有惊恐的红色张嘴和两侧白色泪滴。边界框紧贴完整圆脸，包含眼睛、嘴和泪滴；正点分布于脸部及五官，负点位于左侧和下方背景、右侧社交图标及左邻圆脸上。"}},{"name":"Middle-left round expression character","description":"Yellow round character at the left of the second row, with an exuberant wide red mouth and prominent white teeth.","membership":"Includes the whole circular character and facial features. Excludes other faces and background.","id":"obj_026","temporal":{"status":"found","start_s":8.0,"end_s":10.0,"reference_s":8.75,"evidence":"目标是表情阵列第二排最左侧的黄色圆形角色，具有张大的红嘴和醒目的白牙。首个完整可见帧为8.00秒；7.75秒时其左缘仍被画面边界裁切。最后符合条件的帧为9.75秒，角色虽随转场移动并模糊，但整体仍完整；10.00秒已被新场景替换。选择8.75秒作为关键帧，因为角色轮廓和五官清晰，且无遮挡。","start_frame":192,"end_frame":240,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[50.5,268.5,119.3,390.7],"positive_points":[[60.4,324.1],[81.3,284.3],[106.8,331.5],[88.0,375.0],[74.0,309.3],[84.9,350.9]],"negative_points":[[36.5,328.7],[85.4,111.1],[246.9,324.1],[88.5,555.6]],"evidence":"目标是第二排最左侧的黄色圆脸，具有张大的红嘴和明显白牙。边界框紧贴整个圆形角色，包含全部面部特征；正点分布在黄色脸部、眼睛及嘴部，负点位于左侧背景及上方、右侧和下方的其他角色上。"}},{"name":"Middle second round expression character","description":"Yellow circular character second from the left in the second row, with wide eyes and a surprised red mouth.","membership":"Includes the entire yellow face and changing expression. Excludes neighboring characters and the cream field.","id":"obj_027","temporal":{"status":"found","start_s":7.75,"end_s":10.0,"reference_s":8.75,"evidence":"目标是角色阵列第二行左起第二个黄色圆脸，具有睁大的双眼和红色惊讶嘴，表情变化仍属同一角色。首个完整呈现帧为7.75秒，7.50秒仍处于入场且未完整显示；最后合格帧为9.75秒，虽有运动模糊但圆脸完整，10.00秒已切换画面、目标消失。选择8.75秒为关键帧，轮廓清晰且无遮挡，易与相邻角色区分。","start_frame":186,"end_frame":240,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[212.5,263.9,281.3,385.2],"positive_points":[[230,288],[260,287],[223,327],[268,333],[247,369],[247,344]],"negative_points":[[196,324],[295,324],[411,329],[85,329]],"evidence":"目标为第二行从左数第二个黄色圆脸，具有睁大的眼睛和红色惊讶嘴。边界框紧贴整个圆脸，涵盖黄色脸部及表情；六个正点分布在脸部上方、两侧、下方和嘴部，四个负点位于左右奶油色背景及相邻角色上。"}},{"name":"Middle third square expression character","description":"Mint-green rounded square character third from the left in the second row, with a shaded right edge and an open smiling mouth.","membership":"Includes the complete square body, shaded side, and facial features. Excludes adjacent characters and background.","id":"obj_028","temporal":{"status":"found","start_s":7.75,"end_s":10.0,"reference_s":8.25,"evidence":"目标为角色阵列第二排从左数第三个薄荷绿色圆角方块，具有右侧阴影、双眼和张开的笑嘴。7.75秒时虽倾斜但完整身体与五官已建立；此前7.50秒尚未完整显示。最后合格帧为9.75秒，缩放模糊中仍能辨认完整角色；10.00秒已切换至紫蓝色画面，目标消失。选择8.25秒作关键帧，目标正面清晰且无遮挡，便于与相邻角色区分。","start_frame":186,"end_frame":240,"reference_frame":198},"grounding":{"status":"found","bbox_xyxy":[379.7,268.5,445.3,373.1],"positive_points":[[387,282.4],[434.9,286.1],[441.1,324.1],[398.4,307.4],[409.4,347.2],[388,362]],"negative_points":[[247.4,322.2],[572.9,319.4],[414.1,509.3],[408.9,231.5]],"evidence":"目标是第二行从左数第三个薄荷绿色方形笑脸。边界框紧贴完整方形身体、右侧阴影及五官；正点分布在身体、眼睛、张开的笑嘴和阴影侧边，负点位于左右及下方其他角色和目标上方背景。"}},{"name":"Middle-right square expression character","description":"Mint-green rounded square character at the right of the second row, initially tilted and smiling, with a darker dimensional edge.","membership":"Includes the whole square character, its shaded edge, and changing facial expression through rotation. Excludes the neighboring icon collection.","id":"obj_029","temporal":{"status":"found","start_s":7.75,"end_s":10.0,"reference_s":8.5,"evidence":"目标是表情角色阵列第二排最右侧的薄荷绿色圆角方块，带深色立体侧边，与右侧图标集合分离。7.75秒首次完整出现，虽倾斜但结构已齐全；7.5秒尚未完整呈现。最后合格帧为9.75秒，缩放模糊中整个角色仍在画面内；10.0秒已被新场景替换。选择8.5秒作为关键帧，角色正面清晰、无遮挡，便于区分相邻角色。","start_frame":186,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[538,267.6,614.6,389.8],"positive_points":[[547,286],[597,286],[610,331],[549,370],[572,351],[583,317]],"negative_points":[[411,328],[706,383],[573,107],[575,550]],"evidence":"目标是第二排最右侧的薄荷绿色微笑方块角色。边界框紧贴完整圆角方块，包含右侧深色立体边和五官。正点分布在绿色主体、五官及阴影边上；负点位于左侧方块、右侧图标、上方黄色角色和下方绿色角色上，以区分相邻对象。"}},{"name":"Lower-left square expression character","description":"Mint-green square character at the left of the third row, changing from a small mouth to a puckered heart expression.","membership":"Includes its square body, shaded edge, eyes, mouth, and associated heart. Excludes background and adjacent characters.","id":"obj_030","temporal":{"status":"found","start_s":8.0,"end_s":9.75,"reference_s":8.75,"evidence":"目标是角色阵列第三排最左侧的薄荷绿色方形角色，带深色侧边、双眼和小嘴，随后变为噘嘴并出现红心。首个合格帧为8.00秒，最后合格帧为9.50秒；前一帧7.75秒中角色旋转且被画面左边界裁切，后一帧9.75秒中因放大移动再次被左边界裁切。选择8.75秒作为关键帧，角色身体、五官及红心完整清晰，且无遮挡。","start_frame":192,"end_frame":234,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[51.6,493.5,127.6,615.7],"positive_points":[[59.4,508.3],[76.0,535.2],[95.3,535.2],[102.6,574.1],[124.0,557.4],[68.8,601.9]],"negative_points":[[36.5,551.9],[145.8,555.6],[84.4,441.7],[247.4,555.6]],"evidence":"目标是第三行最左侧的薄荷绿色方形角色，具有噘嘴和红色爱心。边界框覆盖完整方形身体、右侧阴影边、双眼、嘴及爱心。正点分布于身体、双眼、爱心和阴影边；负点位于周围背景及右侧相邻角色上。"}},{"name":"Lower second square expression character","description":"Mint-green square character second from the left in the third row, changing from a subdued expression to an open mouth with white tears.","membership":"Includes the whole square character and its facial features and tears. Excludes neighboring characters and background.","id":"obj_031","temporal":{"status":"found","start_s":7.75,"end_s":10.0,"reference_s":8.75,"evidence":"目标是第三排从左数第二个薄荷绿色方形角色，表情由平淡变为张嘴并流白色眼泪。7.75秒时角色虽在旋转，但方形身体和五官已完整呈现；此前7.50秒尚未出现该完整角色。最后合格帧为9.75秒，缩放运动中角色仍完整可见，10.00秒已切换为其他画面。选择8.75秒作为关键帧，此时角色清晰、无遮挡，张嘴流泪的特征便于与邻近角色区分。","start_frame":186,"end_frame":240,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[213.5,493.5,290.1,615.7],"positive_points":[[223.4,509.3],[276.6,596.3],[284.9,544.4],[238,533.3],[247.9,574.1],[269.3,558.3]],"negative_points":[[93.8,555.6],[411.5,555.6],[197.9,555.6],[251,648.1]],"evidence":"目标是第三排从左数第二个薄荷绿色方形角色，具有张开的红色嘴巴和两侧白色泪滴。边界框紧贴整个方形角色，包含右侧厚度、面部及泪滴。正点分布在绿色主体、侧边、眼睛、嘴巴和泪滴上；负点位于左右相邻角色及目标外侧、下方背景。"}},{"name":"Lower third square expression character","description":"Mint-green square character third from the left in the third row, with wide eyes and a surprised red mouth.","membership":"Includes the complete square body, shaded edge, and changing facial features. Excludes adjacent characters and background.","id":"obj_032","temporal":{"status":"found","start_s":7.75,"end_s":10.0,"reference_s":8.5,"evidence":"目标是角色阵列第三行从左数第三个薄荷绿色方形角色，包含阴影侧边、双眼及变化的红色惊讶嘴。7.75秒首次呈现完整身体，虽有旋转仍符合条件；9.75秒仍完整可见，仅随画面运动而模糊。此前7.50秒尚未出现完整目标，之后10.00秒已切换为其他画面。选择8.50秒作为关键帧，角色清晰、无遮挡，行列位置易于区分。","start_frame":186,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[376.6,492.6,453.1,614.8],"positive_points":[[386.5,509.3],[435.4,598.1],[449.0,555.6],[402.6,539.8],[422.4,539.8],[411.5,575.9]],"negative_points":[[250.0,555.6],[572.9,555.6],[411.5,453.7],[411.5,654.6]],"evidence":"目标是第三排从左数第三个薄荷绿色方形角色，具有睁大的双眼和红色惊讶嘴。边界框覆盖完整方形身体、右侧阴影边和五官；正点分布于身体、阴影边、双眼及嘴部，负点位于左右相邻角色以及目标上、下方的背景。"}},{"name":"Lower-right square expression character","description":"Mint-green square character at the right end of the third row, with an excited open red mouth and white teeth.","membership":"Includes the full character silhouette, shaded edge, and facial features. Excludes the icon collection and cream background.","id":"obj_033","temporal":{"status":"found","start_s":8.0,"end_s":10.0,"reference_s":8.5,"evidence":"目标是表情角色阵列第三排最右侧的薄荷绿色方形角色，带阴影侧边、张开的红嘴和白牙。首个完整呈现帧为8.00秒，此时虽有旋转但轮廓及五官完整；7.75秒该位置的目标尚未完整显露。最后合格帧为9.75秒，缩放运动造成模糊但角色仍完整，10.00秒已切换为蓝紫色背景，目标消失。选择8.50秒作为关键帧，角色清晰且无遮挡，便于与相邻表情区分。","start_frame":192,"end_frame":240,"reference_frame":204},"grounding":{"status":"found","bbox_xyxy":[537.5,488.9,614.6,611.1],"positive_points":[[545,501],[599,509],[609,554],[558,534],[572,568],[552,597]],"negative_points":[[570,465],[634,552],[575,643],[415,553]],"evidence":"目标是第三排最右侧的薄荷绿色方形角色，具有露出白牙的红色张嘴表情。边界框紧贴完整角色，包含右侧阴影边及面部特征；正点分布于绿色主体、眼睛、嘴部和阴影边，负点位于周围奶油色背景及左侧另一角色上。"}},{"name":"Social media and engagement icon collection","description":"Compact organized collection on the right of the expression scene: purple diamond social logos, turquoise circular social logos, blue notification and reaction symbols, and small call-to-action badges. Legible labels include “Subscribe! 5K,” “Swipe up,” “read more,” “follow us!,” “#hastag,” and “Likeme.”","membership":"Includes the complete organized icon-and-badge collection, including each badge surface, symbol, counter, and label. Closed badges include their interiors. Excludes the separate expression characters, cream background between items, watermark, and credit overlay.","id":"obj_034","temporal":{"status":"found","start_s":8.25,"end_s":9.75,"reference_s":8.75,"evidence":"目标是表情角色右侧成组排列的紫色菱形社交标志、青绿色圆形标志、蓝色通知/互动图标及文字徽章。首个完整呈现帧为8.25秒，最后合格帧为9.50秒；此前8.00秒右侧部分徽章和文字仍被画面边界裁切，此后9.75秒集合随放大转场再次被边界裁切。选择8.75秒作为关键帧，此时整个集合清晰完整，标签可辨且无遮挡。","start_frame":198,"end_frame":234,"reference_frame":210},"grounding":{"status":"found","bbox_xyxy":[679.2,20.4,991.1,973.1],"positive_points":[[703.1,53.7],[955.7,169.4],[788.5,498.1],[703.1,719.4],[869.8,829.6],[978.6,943.5]],"negative_points":[[640.6,324.1],[651.0,925.9],[572.9,555.6],[416.7,787.0]],"evidence":"目标是画面右侧有序排列的社交媒体与互动图标集合。边界框覆盖顶部紫色菱形标志、青绿色圆形标志、蓝色通知图标及底部全部行动按钮和文字。正点分布在不同高度的图标、订阅按钮和底部点赞符号上；负点位于集合外的奶油色背景、独立表情角色和蓝色署名覆盖层上。水印及图标之间的背景不属于目标。"}},{"name":"Black-and-white zigzag preview","description":"Upper-left tile of the nine-part background demonstration, filled with repeating thick black zigzags on white.","membership":"Includes the tile's rectangular surface and all zigzag contents within it. Excludes neighboring tiles and overlays.","id":"obj_035","temporal":{"status":"found","start_s":10.25,"end_s":11.25,"reference_s":10.75,"evidence":"目标是九宫格背景演示左上角的矩形预览块，白底上铺满粗黑色重复锯齿纹。10.25秒其表面和边界已完整建立；此前10.00秒仍是蓝色过渡画面。最后合格帧为11.00秒，虽有缩放模糊，预览块仍完整存在；11.25秒已替换为浅色背景和红色图形。选择10.75秒作为关键帧，因该块边界及锯齿纹清晰，且无遮挡。","start_frame":246,"end_frame":270,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[0,0,338.54,338.89],"positive_points":[[39,49],[165,81],[296,44],[66,259],[194,205],[304,293]],"negative_points":[[416,77],[753,171],[158,501],[472,426]],"evidence":"目标是九宫格左上角的黑白粗折线预览。边界框紧贴该矩形图块，覆盖白色表面及全部黑色锯齿内容；六个正点分布在图块各处，四个负点位于相邻的粉色、深色和蓝色图块中。"}},{"name":"Pastel abstract shape preview","description":"Upper-middle tile of the nine-part demonstration, with a pale pink field, large red circle, white eye-like oval, turquoise angular shapes, and yellow curved pieces.","membership":"Includes this tile's complete rectangular surface and animated contents. Excludes adjoining preview tiles.","id":"obj_036","temporal":{"status":"found","start_s":10.25,"end_s":11.25,"reference_s":10.75,"evidence":"目标是九宫格上中位置的浅粉色矩形预览，内有红色圆、白色眼状椭圆、青绿色角形和黄色弧形。10.25秒矩形表面与边界已建立，内部图形继续变化不影响面板成立；最后合格帧为11.00秒。此前10.00秒仍是转场，仅顶部露出粉色区域；此后11.25秒已换为浅色背景上的红色线条动画。选择10.75秒作为关键帧，目标边界和特色图形清晰，便于与相邻预览区分。","start_frame":246,"end_frame":270,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[338.54,0,661.46,337.96],"positive_points":[[375,62],[616,76],[394,282],[606,287],[501,168],[476,245]],"negative_points":[[287,162],[725,189],[497,407],[276,419]],"evidence":"目标为九宫格上排中央的浅粉色预览块，内有红色圆、白色眼状图形、青绿色方框及黄色弧形。边界框覆盖该块完整矩形表面与图形内容；六个正点分布在粉色底面和内部图形上，四个负点位于左、右及下方相邻预览块内。"}},{"name":"Dark zigzag preview","description":"Upper-right tile of the nine-part demonstration, containing black zigzags over a dark charcoal field.","membership":"Includes the full rectangular preview surface and its zigzag pattern. Excludes neighboring tiles and watermark.","id":"obj_037","temporal":{"status":"found","start_s":10.25,"end_s":11.25,"reference_s":10.5,"evidence":"目标是九宫格右上角的矩形预览，深炭灰底上有黑色锯齿纹，不包括水印及相邻格。10.25秒首次显示完整预览表面，至11.00秒仍可辨认，虽有缩放模糊但未见其被擦除或拆解。前一帧10.00秒仍是蓝色转场，后一帧11.25秒已换成浅色背景及红色图形。选择10.50秒作为关键帧，目标边界及锯齿纹清晰。","start_frame":246,"end_frame":270,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[672.92,0,1000,326.85],"positive_points":[[692.71,39.81],[776.56,100.93],[979.17,141.67],[714.06,275],[839.58,217.59],[953.13,294.44]],"negative_points":[[857.29,81.48],[598.96,138.89],[755.21,398.15],[520.83,444.44]],"evidence":"目标是九宫格右上角的深炭灰底黑色锯齿预览。边界框紧贴该矩形面板的四边；六个正点分布于面板背景及锯齿图案上，避开水印。负点位于白色水印标志和相邻面板内。"}},{"name":"Black circular pattern preview","description":"Middle-left tile of the nine-part demonstration, with subtle dark outlined circles arranged over a black field.","membership":"Includes the full rectangular tile and its circular animation. Excludes adjacent tiles.","id":"obj_038","temporal":{"status":"found","start_s":10.25,"end_s":11.25,"reference_s":10.75,"evidence":"目标是九宫格演示中左侧中间的黑色矩形预览块，内部有一圈低对比度的深色描边圆。10.25秒首次出现完整的矩形表面与边界，内部圆形动画随后变化；11.00秒仍完整可见。前一帧10.00秒尚未形成九宫格，后一帧11.25秒已切换为浅色背景的新演示。选择10.75秒作为关键帧，此时目标边界清楚，环状排列的圆形容易辨认。","start_frame":246,"end_frame":270,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[0,338.89,338.54,661.11],"positive_points":[[45,390],[165,405],[125,561],[219,499],[295,598],[62,634]],"negative_points":[[150,230],[170,810],[460,490],[450,200]],"evidence":"目标是九宫格中左侧中间的黑色预览块，黑底上有一圈暗色圆形轮廓。边界框覆盖完整矩形图块及其动画内容；六个正点分布在图块表面和圆形图案处，四个负点位于相邻的其他图块内。"}},{"name":"Purple orbital shape preview","description":"Middle tile of the nine-part demonstration, with a deep purple field, fine circular orbits, and turquoise, red, and white geometric pieces.","membership":"Includes the entire rectangular preview surface and all animated shapes within its boundary. Excludes adjoining tiles.","id":"obj_039","temporal":{"status":"found","start_s":10.25,"end_s":11.25,"reference_s":10.75,"evidence":"目标是九宫格正中央的深紫色矩形预览面板，内部有细圆形轨道及青、红、白色几何图形，不含相邻格。10.25秒面板完整边界首次建立；此前10.00秒仍处于放大过渡，面板未完整呈现。最后符合条件的是11.00秒，虽有缩放模糊但面板仍完整；11.25秒已切换为浅色背景，目标消失。选择10.75秒作关键帧，面板边界清楚，内部轨道和几何图形易于辨认。","start_frame":246,"end_frame":270,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[338.54,338.89,661.46,661.11],"positive_points":[[372,388],[620,406],[445,490],[527,478],[483,599],[613,619]],"negative_points":[[293,497],[708,488],[504,294],[501,721]],"evidence":"目标是九宫格正中央的深紫色预览，包含细圆形轨道及青色、红色、白色几何元素。边界框紧贴该矩形预览的四边；正点分布于紫色表面和内部图形，负点位于左、右、上、下相邻且不属于目标的预览块。"}},{"name":"Stacked pink diamond preview","description":"Middle-right tile, showing three vertically stacked pink diamond-shaped planes on a pale gray field with white lines and small crosses.","membership":"Includes the tile surface and all stacked shapes and accompanying marks inside it. Excludes adjacent tiles.","id":"obj_040","temporal":{"status":"found","start_s":10.25,"end_s":11.25,"reference_s":10.75,"evidence":"目标是九宫格中右侧中间的浅灰色预览块，内部为粉色叠层菱形、白线和小叉号。10.25秒该块的表面与边界已完整建立，内部图形随后变化不影响容器起点；此前10.00秒仍是蓝色过渡画面。最后合格帧为11.00秒，虽有缩放模糊，预览块仍完整可辨；11.25秒已被浅色图标场景替代。选择10.75秒作为关键帧，三层粉色菱形及所在块边界清楚。","start_frame":246,"end_frame":270,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[661.5,338,1000,661.1],"positive_points":[[705,408],[832,452],[837,509],[833,560],[947,601],[925,384]],"negative_points":[[614,489],[812,290],[820,736],[580,764]],"evidence":"目标是中间一行最右侧的浅灰色预览块，内有三层粉色菱形、白色横线和小叉号。边界框覆盖整个该图块；正点分布于菱形、装饰标记及灰色表面，负点位于左侧、上方和下方的相邻图块。"}},{"name":"Blue wavy-line preview","description":"Lower-left tile of the nine-part demonstration, with a muted blue field and white wavy lines entering and multiplying.","membership":"Includes the full rectangular tile and its animated line contents. Excludes the overlaid credit graphic and neighboring tiles.","id":"obj_041","temporal":{"status":"found","start_s":10.25,"end_s":11.25,"reference_s":10.75,"evidence":"目标是九宫格演示左下角的灰蓝色矩形预览块，内部白色波浪线逐渐增加，不包含蓝色署名叠层。10.25秒面板表面及边界已完整建立，内部线条尚未出现不影响面板资格；11.00秒仍可见同一面板。前一帧10.00秒尚为整屏转场，后一帧11.25秒已被浅色图标场景替换。选择10.75秒，面板边界和白色波浪线清晰，且无署名遮挡。","start_frame":246,"end_frame":270,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[0,661.1,338.5,1000],"positive_points":[[37,710],[181,712],[292,783],[81,904],[183,931],[298,960]],"negative_points":[[166,587],[482,826],[502,527],[715,848]],"evidence":"目标是九宫格左下角的蓝底白色波浪线预览。边界框紧贴该完整矩形图块，覆盖蓝色背景及白色线条；六个正点分布在图块内部的背景与线条区域，四个负点位于上方、右侧及右下方的其他图块，避开目标边缘。"}},{"name":"White corner-frame preview","description":"Lower-middle tile, showing white opposing corner brackets and white-to-gray circular forms on a charcoal field.","membership":"Includes the rectangular tile surface and all bracket and circle contents. Excludes neighboring previews.","id":"obj_042","temporal":{"status":"found","start_s":10.25,"end_s":11.25,"reference_s":10.75,"evidence":"目标是九宫格下排中央的炭灰色矩形预览块，内部为白色对向角括号及白到灰的圆形。10.25秒其 tile 表面和边界已完整建立，内部图形随后变化不影响容器起点；最后符合帧为11.00秒。前一帧10.00秒仍在场景转换，目标矩形尚未建立；后一帧11.25秒已替换为浅色背景上的红色图形。选择10.75秒，因角括号、圆形和预览块边界清晰，便于与相邻预览区分。","start_frame":246,"end_frame":270,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[338.54,661.11,661.46,1000],"positive_points":[[387.5,716.67],[433.33,753.7],[474.48,833.33],[584.38,911.11],[624.48,753.7],[397.92,958.33]],"negative_points":[[286.46,833.33],[708.33,833.33],[505.21,601.85],[302.08,574.07]],"evidence":"目标是下排中央的炭黑色预览块，内有相对的白色角括号及白到灰的圆形。边界框覆盖整个可见矩形面板至图像底边；正点分布于面板表面、括号和圆形，负点位于左、右及上方的其他预览块。"}},{"name":"Pink and yellow wave preview","description":"Lower-right tile, filled with repeated yellow wavy lines over a pink gradient field.","membership":"Includes the full rectangular preview surface and its wave pattern. Excludes adjacent tiles.","id":"obj_043","temporal":{"status":"found","start_s":10.25,"end_s":11.25,"reference_s":10.5,"evidence":"目标是九宫格右下角的矩形预览，粉色渐变底上铺有重复的黄色波浪线，不含相邻格。首个合格帧为10.25秒，预览表面及图案已完整出现；最后合格帧为11.00秒，虽有运动变形但仍完整可见。此前10.00秒尚为蓝色转场画面，此后11.25秒已切换为浅色背景上的红色图形。选择10.50秒作为关键帧，目标边界和波浪图案清晰、无遮挡。","start_frame":246,"end_frame":270,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[672.92,673.15,1000,1000],"positive_points":[[706,714],[826,738],[958,708],[736,924],[851,865],[972,955]],"negative_points":[[850,602],[963,549],[608,820],[565,946]],"evidence":"目标位于右下角，是粉色渐变底上重复排列黄色波浪线的预览块。边界框覆盖其完整可见矩形表面，直到图像右边和下边；六个正点分散在该表面上，四个负点位于上方灰色及左侧深色相邻预览块内。"}},{"name":"Audio level icon","description":"Large red-to-orange line icon in the upper-left of the final icon demonstration, consisting of five vertical bars of different heights.","membership":"Includes the five rounded vertical strokes as one audio-level symbol. Excludes background and neighboring icons.","id":"obj_044","temporal":{"status":"found","start_s":11.75,"end_s":12.5,"reference_s":12.0,"evidence":"目标是最终图标展示左上角由五根不同高度、圆端的红橙渐变竖线组成的音量符号。11.75秒首次完整呈现，12.25秒虽有运动模糊但仍完整；此前11.50秒各竖线仍在逐步显现，之后12.50秒随画面放大向外移出并被边界裁切。选择12.00秒作为关键帧，五根线清晰完整且无遮挡，易与邻近图标区分。","start_frame":282,"end_frame":300,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[53.1,56.5,118.2,153.7],"positive_points":[[55.7,120],[70.3,105],[87,75],[87,140],[102.5,128],[115.6,136]],"negative_points":[[39.1,103.7],[130.2,103.7],[85.9,180.6],[85.9,32.4]],"evidence":"目标位于图像左上角，由五条高低不同的红橙色圆头竖线组成。边界框紧贴五条竖线的整体可见范围；六个正点覆盖全部五条线，四个负点位于符号上、下、左、右的外部背景，避开线间空隙及邻近图标。"}},{"name":"Microphone icon","description":"Large red outlined microphone near the upper-left-center of the final demonstration, with a rounded capsule, curved support, and short stand.","membership":"Includes the capsule outline and enclosed area, support curve, and stand. Excludes the cream background outside the symbol.","id":"obj_045","temporal":{"status":"found","start_s":11.75,"end_s":12.5,"reference_s":12.0,"evidence":"目标是末段米色背景上方偏左的大号红色描边麦克风，包含圆角胶囊、弧形支架和短底座。首个完整帧为11.75秒，最后合格帧为12.25秒；11.50秒仍是未完成的线条，12.50秒放大退出时已被画面上缘裁切。选择12.00秒作为关键帧，轮廓清晰完整且无遮挡。","start_frame":282,"end_frame":300,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[229.7,59.3,266.7,148.1],"positive_points":[[248.4,78.7],[248.4,101.9],[232.8,107.4],[263.0,107.4],[248.4,127.8],[248.4,143.5]],"negative_points":[[218.8,83.3],[277.1,83.3],[248.4,37.0],[248.4,168.5]],"evidence":"目标是图像上方偏左、音量条右侧的大号红色麦克风。边界框紧贴胶囊形轮廓、弧形支架和短底座；正点分布于胶囊内部、支架两侧及下部和底座，负点位于符号外围的奶油色背景。"}},{"name":"Diagonal up-right arrow","description":"Large red-to-orange arrow in the upper central area of the final demonstration, pointing diagonally upward and right.","membership":"Includes the arrow's shaft and head strokes only. Excludes the surrounding background and nearby arrows.","id":"obj_046","temporal":{"status":"found","start_s":11.75,"end_s":12.5,"reference_s":12.0,"evidence":"目标是最后一组图标上排中央偏左、指向右上方的红橙渐变箭头，仅包含箭杆和箭头笔画。11.75秒首次完整呈现，12.25秒为最后合格帧；此前11.50秒仍是未完成的零散笔画，随后12.50秒放大退出时目标已越过画面上边界。选择12.00秒作为关键帧，箭头完整清晰，与邻近箭头容易区分。","start_frame":282,"end_frame":300,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[393.2,73.1,427.6,129.6],"positive_points":[[395.8,124.1],[406.3,107.4],[416.1,91.7],[400.5,76.9],[418.2,76.9],[425.5,111.1]],"negative_points":[[377,103],[440,104],[410,309],[573,111]],"evidence":"目标是图像上部中央偏左、指向右上方的红橙渐变大箭头。边界框紧贴其斜向箭杆及水平、竖直箭头笔画；六个正点分布在这些笔画上，负点位于左右外部背景及附近其他箭头上。"}},{"name":"Diagonal down-left arrow","description":"Large red-to-orange arrow to the right of the up-right arrow, pointing diagonally downward and left.","membership":"Includes the arrow shaft and head strokes. Excludes neighboring symbols and background.","id":"obj_047","temporal":{"status":"found","start_s":11.75,"end_s":12.5,"reference_s":12.0,"evidence":"目标是图标阵列上排、右上箭头右侧的红橙渐变左下箭头，包含斜向箭杆及箭头两笔。首个完整呈现帧为11.75秒，最后合格帧为12.25秒；11.50秒仍只有未完成的笔画，12.50秒放大退出时目标已被画面上缘裁切。选择12.00秒作为关键帧，箭头完整清晰且无遮挡，易与邻近符号区分。","start_frame":282,"end_frame":300,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[557.8,70.4,593.8,128.7],"positive_points":[[590.1,75.9],[578.6,94.4],[567.2,113.0],[559.9,81.5],[559.9,106.5],[582.8,124.1]],"negative_points":[[543.8,100.9],[576.0,55.6],[604.2,143.5],[425.0,88.0]],"evidence":"目标位于图像上方、右上箭头的右侧，是指向左下方的红橙渐变箭头。边界框紧贴其斜向箭杆及竖直、水平箭头笔画；六个正点分布在这些笔画上，四个负点位于外围背景及左侧相邻箭头上。"}},{"name":"Left arrow","description":"Large red-to-orange horizontal arrow on the left side of the final demonstration, pointing left.","membership":"Includes the complete arrow strokes only. Excludes the cream field and adjacent symbols.","id":"obj_048","temporal":{"status":"found","start_s":11.75,"end_s":12.5,"reference_s":12.0,"evidence":"目标是最终奶油色图标展示区左侧、第二行的大型红橙渐变左向箭头，仅包含箭头笔画。11.75秒首次完整呈现，12.25秒仍完整可见；此前11.50秒尚未绘制完成，随后12.50秒放大退出时已被左侧画面边界裁切。选择12.00秒作为关键帧，因为箭头清晰完整，与邻近符号分离且无遮挡。","start_frame":282,"end_frame":300,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[58.9,289.8,110.4,370.4],"positive_points":[[61.5,331.5],[71,310],[80,294.5],[72,352],[90,331.5],[107,331.5]],"negative_points":[[45,331],[93,270],[91,390],[248,332]],"evidence":"目标是图像左侧中上部的大型红橙渐变左箭头。边界框紧贴完整横向箭杆和两条箭头斜线；六个正点分布于这些笔画上，负点位于箭头外的奶油色背景及右侧独立的向下箭头上。"}},{"name":"Down arrow","description":"Large red-to-orange vertical arrow in the second large-icon column, pointing downward.","membership":"Includes the shaft and arrowhead strokes. Excludes background and neighboring icons.","id":"obj_049","temporal":{"status":"found","start_s":11.75,"end_s":12.5,"reference_s":12.0,"evidence":"目标是大图标区第二列、第二行的红橙渐变向下箭头，包含竖直箭杆及两侧箭头笔画。11.75秒首次完整呈现，12.25秒为最后合格帧；此前11.50秒仍在逐步绘制，之后12.50秒放大退出时已被画面边界裁切。选择12.00秒作为关键帧，箭头清晰完整，与相邻图标分离且无遮挡。","start_frame":282,"end_frame":300,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[226.0,287.0,270.0,365.7],"positive_points":[[247.9,295.4],[247.9,319.4],[247.9,344.4],[229.7,327.8],[239.1,344.4],[263.5,329.6]],"negative_points":[[208.3,324.1],[286.5,324.1],[247.4,259.3],[247.4,395.4]],"evidence":"目标是第二个大图标列中的红橙渐变向下箭头。边界框紧贴竖直箭杆与两侧箭头笔画；六个正点分布在箭杆及箭头两翼上，四个负点位于箭头上下左右的外部背景，避开内部笔画间隙和邻近图标。"}},{"name":"Up arrow","description":"Large red-to-orange vertical arrow in the third large-icon column, pointing upward.","membership":"Includes the complete shaft and arrowhead. Excludes the surrounding background.","id":"obj_050","temporal":{"status":"found","start_s":11.75,"end_s":12.75,"reference_s":12.0,"evidence":"目标是大图标区第三列、对话气泡上方的红橙渐变向上箭头，包含完整箭头头部和竖直箭杆。首个合格帧为11.75秒；11.50秒仍只有未完成的局部笔画。最后合格帧为12.50秒，箭头随画面缩放产生运动模糊但仍完整可见；12.75秒已切换为其他图形，目标消失。选择12.00秒作为关键帧，箭头清晰完整且无遮挡。","start_frame":282,"end_frame":306,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[389.1,291.7,431.8,374.1],"positive_points":[[410.4,298.1],[410.4,338.0],[410.4,368.5],[391.7,329.6],[401.0,312.0],[426.6,325.9]],"negative_points":[[370.3,324.1],[450.0,324.1],[410.4,261.1],[410.4,400.0]],"evidence":"目标是第三个大图标列中朝上的红橙色箭头。边界框紧贴完整箭头头部和竖直箭杆；六个正点分布在两侧箭头斜线及箭杆上，四个负点位于箭头上下左右的外部背景。"}},{"name":"Monitor with check mark","description":"Large red outlined desktop monitor on the right of the enlarged icon examples, containing a check mark and resting on a short stand.","membership":"Includes the monitor outline, enclosed screen area and check mark, and supporting stand. Excludes adjacent icons and background outside the monitor.","id":"obj_051","temporal":{"status":"found","start_s":11.75,"end_s":12.75,"reference_s":12.0,"evidence":"目标是放大图标区右侧带勾号和短支架的红色轮廓显示器。11.75秒首次完整呈现，12.50秒仍可见完整显示器随画面缩放产生运动模糊，未被边界裁切；11.50秒尚在绘制，屏框、勾号和支架未完成，12.75秒已切换为其他图形。选择12.00秒作为关键帧，轮廓、勾号和支架清晰且无遮挡。","start_frame":282,"end_frame":306,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[543.2,291.7,604.2,377.8],"positive_points":[[546.4,297.2],[600.5,355.6],[556.3,324.1],[573.4,330.6],[591.1,314.8],[574.0,372.2]],"negative_points":[[410.4,324.1],[574.5,547.2],[520.8,333.3],[625.0,333.3]],"evidence":"目标是放大图标区域右侧带勾选符号和短支架的红色显示器。边界框紧贴显示器外框及底部支架；正点覆盖外框、屏幕内部、勾号和支架，负点位于邻近箭头、下方对话气泡及显示器左右的外部背景。"}},{"name":"Wi-Fi icon","description":"Large red-to-orange wireless symbol on the left, made of three curved signal bands above a solid circular dot.","membership":"Includes the open signal arcs and dot. The arcs remain open; excludes the spaces between them and the cream field.","id":"obj_052","temporal":{"status":"found","start_s":11.75,"end_s":12.5,"reference_s":12.0,"evidence":"目标是画面左侧由三条开放的红橙色信号弧线和实心圆点���成的 Wi-Fi 图标。首个完整帧为11.75秒，最后合格帧为12.25秒；此前11.50秒弧线尚未绘制完整，之后12.50秒放大退出时图标已被左侧画面边界裁切。选择12.00秒作为关键帧，图标完整清晰、无遮挡，便于与邻近图标区分。","start_frame":282,"end_frame":300,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[55.2,519.4,117.7,597.2],"positive_points":[[58.3,544.4],[113,541.7],[85.9,541.7],[105.2,553.7],[85.9,558.3],[86.5,585.2]],"negative_points":[[41.7,555.6],[130.2,555.6],[86.5,490.7],[86.5,627.8]],"evidence":"目标是图像左侧由三条开放弧线和一个实心圆点组成的红橙色 Wi-Fi 图标。边界框紧贴全部弧线与圆点；六个正点分布在三条弧线及圆点上，四个负点位于图标外围的奶油色背景，避开弧线间隙。"}},{"name":"Empty speech bubble","description":"Large red outlined speech bubble in the second column of enlarged examples, with an oval body and a pointed lower-left tail.","membership":"Includes the complete bubble boundary and enclosed interior, following the tail's actual outline. Excludes neighboring symbols and background outside the bubble.","id":"obj_053","temporal":{"status":"found","start_s":11.75,"end_s":12.75,"reference_s":12.0,"evidence":"目标是放大示例第二列的红色空心对话气泡，具有椭圆主体和左下尖尾。11.50秒轮廓尚未绘制完整，11.75秒首次完整呈现；至12.50秒虽随画面缩放产生运动模糊，完整气泡仍在画内。12.75秒已切换画面，目标消失。选择12.00秒作为关键帧，轮廓和尖尾清晰，无遮挡且易与邻近含文字的气泡区分。","start_frame":282,"end_frame":306,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[213,499,287.5,613],"positive_points":[[233.9,525.9],[257.3,520.4],[275.5,546.3],[252.1,571.3],[224.5,558.3],[233.3,597.2]],"negative_points":[[200,545],[300,545],[250,640],[410,545]],"evidence":"目标是左侧放大示例第二列的空白红色对话气泡，具有椭圆主体和左下尖尾。边界框紧贴完整轮廓并包含尖尾；正点分布在气泡内部和尾部，负点位于外侧背景及右邻带文字线条的气泡上。"}},{"name":"Text-line speech bubble","description":"Large red outlined speech bubble in the third column, distinguished by three short horizontal lines inside.","membership":"Includes the bubble boundary, tail, enclosed interior, and three text strokes. Excludes outside background and other bubbles.","id":"obj_054","temporal":{"status":"found","start_s":11.75,"end_s":12.75,"reference_s":12.0,"evidence":"目标是第三列的大号红色描边对话气泡，含尾部及内部三条短横线。11.75秒首次完整呈现，12.50秒虽随画面缩放而模糊，但结构完整且未被边界裁切，为最后合格帧。此前11.50秒气泡轮廓仍在绘制；此后12.75秒已切换为其他图形，目标消失。选择12.00秒作为关键帧，因为轮廓、尾部和三条文字线清晰且无遮挡。","start_frame":282,"end_frame":306,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[375.5,499.1,450,613.9],"positive_points":[[409.9,503.7],[378.6,548.1],[446.9,543.5],[394.8,604.6],[408.9,528.7],[428.6,566.7]],"negative_points":[[249.5,546.3],[575,546.3],[412.5,456.5],[418.2,650.9]],"evidence":"目标是第三列内含三条短横线的大型红色对话气泡。边界框紧贴气泡外轮廓并包含尾部；正点分布于边界、尾部、文字横线及包围的内部，负点位于左右其他气泡和目标上下的外部背景。"}},{"name":"Ellipsis speech bubble","description":"Large red outlined speech bubble at the right of the enlarged examples, containing three red dots.","membership":"Includes the bubble boundary and enclosed interior, its tail, and all three dots. Excludes the adjacent small-icon collection.","id":"obj_055","temporal":{"status":"found","start_s":11.75,"end_s":12.75,"reference_s":12.0,"evidence":"目标是放大示例区最右侧的大号红色描边对话气泡，带尾部和三个红点，不包括右侧小图标集合。11.50秒边界仍未绘制完整；11.75秒首次完整呈现。最后符合条件的是12.50秒，气泡虽随整体缩放产生运动模糊，但仍完整可见；12.75秒已切换画面，目标消失。选择12.00秒作为关键帧，轮廓、尾部及三个圆点清晰且无遮挡。","start_frame":282,"end_frame":306,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[538.5,499.1,612.5,613],"positive_points":[[567.2,547.2],[576.6,547.2],[585.4,547.2],[541.7,541.7],[610,545.4],[557.8,601.9]],"negative_points":[[515,548],[574,471],[649,548],[411,546]],"evidence":"目标是放大示例右侧、内部有三个红点的大型红色描边对话气泡。边界框紧贴气泡轮廓并包含尾部及内部区域；正点分布在三个红点、左右轮廓和尾部，负点位于气泡外部背景及左侧另一对话气泡上，不包含右侧小图标集合。"}},{"name":"Cloud outline icon","description":"Large red-to-orange cloud near the lower-left of the final demonstration, with rounded upper lobes and a flatter base.","membership":"Includes the cloud's true outer outline and enclosed interior. Excludes the cream background outside it and the separate upload cloud.","id":"obj_056","temporal":{"status":"found","start_s":12.0,"end_s":12.5,"reference_s":12.0,"evidence":"目标是最终图标展示左下方的红橙渐变云朵轮廓，不含右侧带上传箭头的云。11.75秒时上部右侧轮廓仍有未绘合的缺口；12.0秒首次完整，12.25秒仍完整可见。12.5秒放大退出时云朵开始被画面下边界裁切，因此最后合格帧为12.25秒。选择12.0秒作为关键帧，轮廓清晰且无遮挡。","start_frame":288,"end_frame":300,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[113,756.5,230.3,888],"positive_points":[[161.5,786.1],[141.1,836.1],[194.8,815.7],[207.8,853.7],[165.6,879.6],[118.8,841.7]],"negative_points":[[99,851.9],[171.9,731.5],[245.8,851.9],[500,772.2]],"evidence":"目标是左下方无箭头的大号红橙渐变云朵，区别于右侧上传云。边界框紧贴云朵外轮廓，包含圆润顶部、平坦底边及封闭内部。六个正点分布于轮廓和内部；负点位于云外奶油色背景及独立的上传云上。"}},{"name":"Cloud upload icon","description":"Large red-to-orange cloud near the lower center, with an upward arrow rising through an opening in its bottom edge.","membership":"Includes the cloud outline and upward-arrow strokes. Preserves the opening around the arrow rather than filling an artificial closed boundary; excludes outside background.","id":"obj_057","temporal":{"status":"found","start_s":11.75,"end_s":12.5,"reference_s":12.0,"evidence":"目标是画面下方偏中央的红橙渐变云上传图标，包含云轮廓及穿过底部开口的向上箭头。11.75秒首次完整呈现，12.25秒为最后完整帧；此前11.50秒仍是未完成的曲线，之后12.50秒放大退出时下部被画面边界裁切。选择12.00秒作为关键帧，轮廓和箭头清晰且无遮挡。","start_frame":282,"end_frame":300,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[443.2,756.5,560.4,896.3],"positive_points":[[446.4,842.6],[491.1,763.0],[540.6,804.6],[526.0,881.5],[500.5,872.2],[510.9,843.5]],"negative_points":[[171.4,761.1],[502.1,708.3],[500.0,931.5],[585.4,844.4]],"evidence":"目标是图像下方中央带向上箭头的红橙渐变云图标。边界框紧贴云轮廓与箭头的整体可见范围；六个正点分布在云的外轮廓及箭头笔画上，四个负点位于左侧另一云图标及目标上、下、右侧的外部背景，未标记云内空白或箭头周围开口。"}},{"name":"Compact red line-icon collection","description":"Organized four-column collection on the right of the final demonstration, showing smaller arrows, playback controls, search symbols, bookmark, envelope, folder, heart, location, home, moon, sun, notification, check, pointer, cloud and refresh symbols, sliders, and display icons.","membership":"Includes all symbols in this compact collection. Closed symbol outlines include enclosed areas and internal details; open arrows, curves, and strokes remain open. Excludes the separate enlarged examples, cream background between symbols, and watermark.","id":"obj_058","temporal":{"status":"found","start_s":11.75,"end_s":12.5,"reference_s":12.0,"evidence":"目标是画面右侧四列排列的小型红色线条图标集合，不包括左侧放大的示例。首个完整呈现帧为11.75秒，最后合格帧为12.25秒；此前11.50秒图标仍在逐步绘制，部分结构不完整，此后12.50秒集合随放大转场向外退出并被画面边界裁切。选择12.00秒作为关键帧，因为整组图标清晰、完整且无遮挡。","start_frame":282,"end_frame":300,"reference_frame":288},"grounding":{"status":"found","bbox_xyxy":[687.5,25,971.4,977.8],"positive_points":[[700.5,51.9],[871.4,170.4],[703.1,494.4],[955.7,616.7],[884.9,818.5],[788,942.6]],"negative_points":[[573,327],[500,835],[745,440],[900,82]],"evidence":"目标是图像右侧独立排列的四列小型红色图标。边界框覆盖顶部箭头至底部滑杆、圆环和显示器等全部小图标。正点分布于箭头笔画、播放与书签的封闭内部、太阳、刷新曲线及滑杆；负点位于左侧放大示例、图标间的奶油色背景及水印区域，均不包含在目标中。"}}]}
+{"video_id":315,"video_type":"icons and abstract motion graphics","targets":[{"name":"Animated checkerboard rosette","description":"A centered kaleidoscopic graphic with a four-square checkerboard core and overlapping square and diamond frames. Initially blue, it expands and contracts with eight radial spokes, small squares, and outlined circles, then becomes black and white with curved fans of fine lines and rotating, layered angular frames.","membership":"Includes the central checkerboard, surrounding layered shapes and frames, attached radial bars and spikes, and the small squares, circles, arcs, and line fans composing the rosette. Closed shapes and frames include their boundaries and enclosed areas. Follow the changing outer contours and concavities; open arcs and gaps between outward extensions remain open. Excludes the surrounding gray background.","id":"obj_001","temporal":{"status":"found","start_s":0.75,"end_s":15.0,"reference_s":7.0,"evidence":"目标是中央四格棋盘及其层叠方形、菱形和放射装饰组成的同一动态图案。0.50秒仍处于初始淡入和展开阶段，0.75秒棋盘与外围层叠框已完整呈现；之后的伸缩、旋转及蓝色向黑白的变化保持连续身份。最后合格帧为14.75秒，图案仍完整可见，视频结束后无相邻采样帧。选择7.00秒作为关键帧，此时棋盘、八向尖刺及外围线扇清楚且无遮挡。","start_frame":18,"end_frame":360,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[236.7,31.9,762.5,968.1],"positive_points":[[466,440],[532,558],[500,60],[703,286],[305,714],[500,942]],"negative_points":[[160,500],[840,500],[500,15],[790,850]],"evidence":"图中居中的黑白万花筒图案与目标一致，具有四格棋盘核心、叠置方框和菱形框、八向辐射线及外围扇形细线。边界框紧贴最外侧径向线端点，覆盖完整花饰。正点分布在棋盘格、上下径向线和两侧线扇上；负点均位于花饰外的灰色背景。"}}]}
+{"video_id":316,"video_type":"icons and abstract motion graphics","targets":[{"name":"Animated geometric pattern board","description":"A square abstract composition presented against white, combining blue, yellow, orange, neon-green, pink, black, and gray panels. Checkerboards, grids, stripes, dots, and outlined ellipses change spacing and scale, while three groups of parallel black lines extend beyond the composition’s edges.","membership":"Includes the complete patchwork board, its colored and gray surfaces, panel boundaries, enclosed shapes, and internal patterns. Includes the parallel black strokes that project beyond the right and lower edges, following the strokes themselves without filling the white gaps between them. Excludes the surrounding white background.","id":"obj_001","temporal":{"status":"found","start_s":1.0,"end_s":9.0,"reference_s":3.0,"evidence":"目标是白底上的方形彩色几何拼接板，并包含向右及下方伸出的三组黑色平行线。首个合格帧为1.00秒，此时外伸线条已完整展开；前一帧0.75秒中这些线条仍在逐步延长。此后板面图案持续变形，但整体及外伸线条保持完整，最后合格帧为8.75秒，区间延至视频终点9.00秒，之后无采样帧。选择3.00秒作为关键帧，因为完整板面、各分区及外伸线条均清晰可辨。","start_frame":24,"end_frame":216,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[57.4,91.7,941.7,962.0],"positive_points":[[346,120],[678,281],[584,510],[194,657],[744,782],[625,945]],"negative_points":[[37,324],[958,389],[787,944],[463,42]],"evidence":"目标为白底上的完整多色几何拼贴板，包含棋盘格、条纹、网格及椭圆。边界框覆盖整块图板及向右、向下和左下伸出的黑色平行线。正点分布于黄色面板、灰色椭圆与面板、下部蓝色区域及下伸黑线；负点均位于外围白色背景，避开线条和图板内部。"}}]}
+{"video_id":317,"video_type":"icons and abstract motion graphics","targets":[{"name":"Clock-like ring and hands","description":"Top-left animation: a thick circular ring changing between purple and dark green surrounds two jointed black hands. Pink markers move around the rim, and yellow and red markers tip the hands.","membership":"Include the ring’s outer boundary, its enclosed circular area, both black hands, and the colored markers belonging to this graphic. Exclude surrounding white space and neighboring animations.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标位于左上角：紫色与深绿色交替的粗圆环内有两根相连的黑色指针，配有粉色环上标记及黄色、红色针尖标记。首个合格帧为0.00秒，末个为24.75秒；期间圆环和指针始终完整呈现，颜色和转动变化不构成退出。区间覆盖视频首尾，边界外无采样帧。选择0.00秒为关键帧，因圆环轮廓完整、两针清晰分离且没有遮挡。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[137,125,255.7,335.2],"positive_points":[[144.3,225.9],[196.4,137],[248.4,225],[196.4,201.9],[220.8,253.7],[175,263.9]],"negative_points":[[119.8,231.5],[196.4,88],[270.8,231.5],[195.3,363]],"evidence":"目标位于左上角，由紫色圆环、相连的黑色指针及粉、黄、红色标记组成。边界框紧贴圆环外缘，覆盖其内部区域、指针和标记。正点分布于圆环、标记、指针及规则包含的圆内区域；负点位于目标四周的外部白色背景，避开相邻图形。"}},{"name":"Yellow radial star","description":"Top row, second graphic: eight thick, rounded yellow spokes radiate from a common center, with small colored dots moving along them.","membership":"Include the yellow hub, every spoke, and their colored dots. Follow the indented outline between spokes; exclude the white gaps and do not fill a circular or polygonal envelope around the star.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标为顶排第二个黄色八辐星，包含中央 hub、圆头粗辐条及其上的彩色小点。首个合格帧为0.00秒，最后为24.75秒；期间始终完整可见，仅辐条旋转和彩点位置变化，没有淡入、拆解或离场。区间覆盖视频首尾，边界外没有采样帧。选择0.00秒作为关键帧，星形轮廓清晰、无遮挡，辐条间白色空隙易于区分。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[288.5,125,407.5,335.2],"positive_points":[[349,149],[301,228],[400,232],[352,223],[347,279],[383,297]],"negative_points":[[274,227],[423,232],[349,102],[347,361]],"evidence":"目标是顶排第二个黄色八辐星形。边界框紧贴全部圆头辐条及彩色圆点；正点分布在中心、不同方向的黄色辐条和粉色、红色圆点上。负点位于星形外围的白色背景，不标记辐条之间的内部空隙。"}},{"name":"Overlapping horizontal ellipses","description":"Top-center animation: stacked yellow, purple, and pink horizontal ellipses form red and black overlap regions, with colored dots along the center. The stack repeatedly compresses into a predominantly red oval.","membership":"Include all visible ellipse surfaces, their overlap regions, and associated dots. Follow the stack’s changing outer outline, excluding surrounding white space.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标是顶部中央的黄、紫、粉水平椭圆叠层，带红色和黑色重叠区域及中央彩色圆点。首个合格帧为0.00秒，末个为24.75秒；期间反复压缩成红色椭圆属于同一完整对象的变形，始终可见。区间覆盖视频首尾，两端均无区间外采样帧。选择0.00秒作为关键帧，因叠层展开清晰，各椭圆表面、重叠区和圆点易于标注。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[440.6,125,559.4,335.2],"positive_points":[[473,168],[485,205],[449,233],[510,255],[535,296],[500,303]],"negative_points":[[421,200],[578,240],[500,99],[500,368]],"evidence":"目标位于图像顶部中央，由黄色、紫色、粉色横向椭圆叠成，交叠处呈红色和黑色。边界框紧贴整组椭圆的可见外缘，并包含中央彩色圆点。正点分布于各色表面、交叠区及圆点；负点位于整组图形上下左右的外部白色背景。"}},{"name":"Purple double-loop curve","description":"Top row, fourth graphic: a thick purple curling path forms two loops and changes orientation and curvature. Its ends have yellow and red dots, with green and pink dots moving along the path.","membership":"Include the purple stroke and its colored markers, together with areas enclosed by its closed loops. Keep the terminal portions open and exclude exterior gaps and concavities rather than filling the curve’s bounding envelope.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标为顶排第四个粗紫色双环曲线，带黄色、红色端点及沿线彩色标记。0.00秒首帧已完整呈现，之后仅改变朝向、曲率和标记位置，持续到24.75秒最后一帧，无淡出、裁切或消失。区间覆盖视频全程，起点前及终点后均无采样帧。选择0.00秒作关键帧，双环及两端清晰，与周围图形分离，便于标注。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[587.5,118.5,714.6,341.7],"positive_points":[[595.8,329.6],[707.8,129.6],[653.6,237.0],[631.8,247.2],[685.9,211.1],[642.2,147.2]],"negative_points":[[569,240],[731,235],[662,361],[707,305]],"evidence":"目标是顶行第四个紫色双环曲线，可见黄色和红色端点及绿色标记。边界框紧贴完整紫色笔画与彩色标记；正点分布在端点、曲线、绿色标记及闭环内部。负点位于曲线左右和下方的外部背景，不标记闭环内部。"}},{"name":"Concentric target with radial dots","description":"Top-right animation: concentric purple, orange, green, and yellow circular bands surround a small white center. Colored dots form rotating radial arrangements across the bands.","membership":"Include the complete outer circular boundary and everything enclosed, including all bands, the center, and moving dots. Exclude the surrounding background.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标位于右上角，由紫、橙、绿、黄同心圆带、白色小中心及径向彩色圆点组成。首个合格帧为0.00秒，最后为24.75秒；整个采样序列中外圆边界和内部结构始终完整，圆点旋转不影响其连续存在。区间覆盖视频首尾，两端均无界外采样帧。选择0.00秒作为关键帧，因为圆带和径向圆点清晰、无遮挡，易于标注完整目标。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[745.8,126.9,862,333.3],"positive_points":[[803.6,230],[803.6,140],[752.6,230],[854.2,230],[803.6,320],[776,177.8]],"negative_points":[[729.2,157.4],[880.2,226.9],[796.9,361.1],[713.5,305.6]],"evidence":"目标位于右上角，由紫、橙、绿、黄同心圆带、白色中心及径向彩色圆点组成。边界框紧贴完整外圆，覆盖其内部所有内容；正点分布在中心、圆带及四周圆点上，负点均位于外圆之外的白色背景。"}},{"name":"Tilting multicolored hoop","description":"Middle row, far left: a broad, striped elliptical hoop tilts and rotates around a small brown central dot. Its bands include green, pink, purple, orange, yellow, and black.","membership":"Include all hoop bands, their boundaries, the area enclosed by the hoop, and the brown dot. Follow the changing outer silhouette, excluding exterior white space and any external concavities.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标是中排最左侧的多色条带椭圆环，围绕棕色中心点倾斜旋转，包含绿、粉、紫、橙、黄、黑色环带。首个合格帧为0.00秒，末个为24.75秒；期间环体始终完整可见，旋转和形变不构成退场。区间到达视频首尾，边界外没有采样帧。选择0.00秒为关键帧，此时环带及包围区域轮廓清楚、棕色点无遮挡，便于标注。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[136.5,394.4,255.7,605.6],"positive_points":[[196.4,412.0],[143.8,475.9],[248.4,528.7],[196.4,585.2],[196.4,500.0],[172.4,490.7]],"negative_points":[[125.0,500.0],[266.7,500.0],[196.4,365.7],[196.4,629.6]],"evidence":"目标为中排最左侧的多色条带椭圆环，中央有棕色圆点。边界框紧贴整个环的外轮廓；正点分布在各侧条带、环内包围区域及棕色点上，负点位于环外上下左右的白色背景。"}},{"name":"Striped opposing semicircles","description":"Middle row, second graphic: two semicircular forms touch at their central tips to make an hourglass-like unit. Curved vertical segments cycle through pink, black, red, yellow, green, and purple.","membership":"Include both complete semicircular surfaces, all colored segments, and their shared central contact. Follow the two curved outlines and flat outer edges; exclude the white recesses beside the narrow middle.","id":"obj_007","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标是中排第二个由上下两个条纹半圆在中央尖端相接形成的沙漏状图形。首个合格帧为0.00秒，两个半圆的曲线轮廓、平直外边和中央接触均已完整呈现；此后仅内部彩色分段变化，结构持续存在，末个合格帧为24.75秒。区间到达视频首尾，两侧均无额外采样帧，未观察到淡入、拆解或退出。选择0.00秒作关键帧，因为两半圆完整清晰且无遮挡。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[288.5,394.4,407.3,605.6],"positive_points":[[297.9,409.3],[396.4,414.8],[359.4,454.6],[305.2,577.8],[393.2,578.7],[347.9,500]],"negative_points":[[299.5,500],[395.8,500],[349,365.7],[349,633.3]],"evidence":"目标是中排第二个沙漏状图形，由两个彩色分段半圆在中央尖端相接。边界框紧贴上下平边及两侧弧形轮廓，涵盖全部彩色表面和中央接点。正点分布于上下半圆的不同色段及接点；负点位于腰部两侧轮廓外的白色凹入区，以及图形上方和下方的外部背景。"}},{"name":"Square dot lattice","description":"Center animation: a regular square array of small circles forms concentric colored square patterns. Individual circles change color and often show two differently colored halves.","membership":"Include every circle in the array and its colored portions. The outermost row and column form a closed frame-like pattern, so include the area enclosed by that pattern, including the internal spaces between dots. Exclude white space outside the array’s outer outline.","id":"obj_008","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标是画面中央第二行第三列的小圆点正方形阵列，圆点构成同心彩色方框，部分圆点呈双色。首个合格帧为0秒，阵列已完整建立；此后仅圆点颜色变化，结构持续存在，最后合格帧为24.75秒。区间覆盖视频起止，边界外没有采样帧。选择0秒为关键帧，因为阵列完整、清晰且无遮挡，外轮廓及点间空隙容易辨认。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[443.8,399.1,557.3,600],"positive_points":[[450,410.2],[550.5,410.2],[450,588],[550.5,588],[500,500],[475,455.6]],"negative_points":[[428,500],[573,500],[500,374],[500,629]],"evidence":"目标位于图像中央，由小圆点组成同心彩色方阵，外圈为橙色。边界框紧贴整个方阵的最外缘，包含所有圆点及外圈围住的内部间隙。六个正点分布在四角和内部圆点上，四个负点位于方阵上下左右的外部白色背景。"}},{"name":"Three-color circular orbit graphic","description":"Middle row, fourth graphic: a yellow outer band surrounds a purple field and a green central disk with a red center dot. Black and pink dots orbit at different radii as the green disk changes size.","membership":"Include the complete outer circular boundary and enclosed area, all colored regions, and the orbiting markers. Include any portion of an associated marker extending beyond the rim; exclude unrelated background.","id":"obj_009","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标是中排第四个圆形轨道图：黄色外环、紫色内部、绿色中心圆盘和红色中心点，并带黑色及粉色轨道标记。首个合格帧为0.00秒，末个为24.75秒；期间图形始终完整可见，圆盘缩放和标记运动不影响连续存在。区间到达视频两端，没有更早或更晚的采样帧。选择0.00秒为关键帧，因为各色区域及两个轨道标记清晰、无遮挡。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[592.7,394.4,710.9,605.6],"positive_points":[[599.0,495.4],[673.4,452.8],[659.9,517.6],[651.6,500.0],[652.1,406.5],[618.8,500.0]],"negative_points":[[574.5,497.2],[729.2,499.1],[651.0,363.9],[651.0,631.5]],"evidence":"目标位于中排第四个，是黄色外环、紫色内场、绿色中心圆盘及红色中心点组成的圆形图案，另有黑色和粉色标记。边界框紧贴完整圆形外缘并覆盖所有标记；六个正点分布在各色区域及标记上，四个负点位于圆形上下左右的外部白色背景。"}},{"name":"Rotating vertical disc cluster","description":"Middle row, far right: a compact cluster of upright elliptical discs alternates among red, green, yellow, pink, and purple as the discs turn edge-on and face-on.","membership":"Include each visible disc surface and boundary, including thin edge-on portions. Follow the individual disc outlines and exclude white gaps between separated discs rather than filling the cluster’s bounding rectangle.","id":"obj_010","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标为中排最右侧的直立椭圆圆盘簇，红、绿、黄、粉、紫色盘面随旋转交替显现，并保留薄薄的侧边。首个合格帧为0.00秒，最后为24.75秒；全程结构完整，转动及盘间白色间隙不构成消失。区间到达视频首尾，边界外均无采样帧。选择0.00秒作为关键帧，盘面轮廓清晰，易于区分各盘与白色间隙。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[744.3,391.7,863.5,608.3],"positive_points":[[753.6,490.7],[781.8,449.1],[803.6,407.4],[826.6,486.1],[853.1,500.0],[826.0,574.1]],"negative_points":[[727.6,492.6],[879.2,500.9],[804.2,363.0],[804.2,631.5]],"evidence":"目标位于中排最右侧，为红、绿、黄、粉色竖直椭圆盘及细薄紫色侧边组成的簇。边界框紧贴全部可见盘面与侧边；正点分布在各色盘面和紫色薄边上，负点位于簇外四周的白色背景，不标记盘间空隙。"}},{"name":"Concentric target with changing arc segments","description":"Bottom-left animation: an orange outer ring surrounds purple, yellow, and red rings and a small white center. Pink and green markers travel around rings, leaving changing green and pink arc sections.","membership":"Include the outer circular boundary and all enclosed rings, arc sections, center, and associated markers. Exclude surrounding white space.","id":"obj_011","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":2,"evidence":"目标是左下角的同心靶：橙色外圈内有紫、黄、红色环及白色中心，粉色和绿色标记沿环移动并形成变化弧段。首个合格帧为0.00秒，末个为24.75秒；期间圆形结构始终完整，弧段变化属于内部动画，没有消失或退出。区间覆盖视频首尾，两端均无额外相邻帧。选择2.00秒作为关键帧，环形轮廓及绿色、粉色弧段清晰且无遮挡。","start_frame":0,"end_frame":600,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[138,665.7,255,873.2],"positive_points":[[196,679],[159,766],[178,735],[205,770],[216,800],[196,860]],"negative_points":[[122,760],[271,763],[196,907],[343,786]],"evidence":"目标位于左下角，由橙色外环、紫黄红内环及粉色和绿色弧段组成。边界框紧贴整个圆形，涵盖所有环、中心和标记。正点分布在各色环及弧段上；负点位于圆外白色背景及右侧独立的方形图案上。"}},{"name":"Nested rounded squares","description":"Bottom row, second graphic: a large yellow rounded square contains progressively smaller pink, green, and black rounded squares, with a red dot in the innermost region. The nested forms shift vertically.","membership":"Include the full yellow outer surface and boundary and all enclosed squares and the red dot. Follow the rounded outer corners, excluding surrounding background.","id":"obj_012","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标为底排第二个图形：黄色圆角方形内嵌粉色、绿色、黑色圆角方形及红点。首个合格帧为0.00秒，末个为24.75秒；整个采样序列中外部轮廓完整，内部方形上下移动但目标持续存在，无淡入、解体或退出。区间覆盖视频首尾，两侧均无额外采样帧。选择0.00秒作为关键帧，各层边界与红点清楚且无遮挡。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[288.5,664.8,407.3,875.9],"positive_points":[[300,687],[396,858],[317,819],[331,735],[357,783],[348,770]],"negative_points":[[273,772],[421,771],[347,640],[349,902]],"evidence":"目标位于底行第二个图形，由黄色圆角方形及其内部的粉色、绿色、黑色方形和红点组成。边界框紧贴黄色外轮廓；六个正点分布于外层黄色表面及各内层和红点，四个负点位于目标上下左右的外围白色背景。"}},{"name":"Articulated multicolored frame","description":"Bottom-center animation: thick green, pink, yellow, and orange bars pivot and overlap, changing from an open arrow-like arrangement to a tilted square or diamond. Colored dots mark endpoints and joints.","membership":"Include all visible bars and their endpoint and joint dots. When the bars form a closed frame, include the area enclosed by that frame. When they open, follow the separate bar outlines and leave the opening and exterior gaps unfilled.","id":"obj_013","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":1.75,"evidence":"目标位于底行中央，由绿、粉、黄、橙色粗杆及端点、关节点组成，持续在开放箭头状与方框、菱形之间转动变形，并非逐步组装。首个合格帧为0秒，最后为24.75秒，全程未消失或被裁切；区间已覆盖视频首尾，两端均无外侧采样帧。选择1.75秒作为关键帧，此时各色杆形成清晰方框，端点可辨、遮挡少，便于标注。","start_frame":0,"end_frame":600,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[440.1,663.9,559.9,876.9],"positive_points":[[496,676],[447,752],[497,863],[552.6,759.3],[479.7,729.6],[520.8,810.2]],"negative_points":[[501.6,629.6],[498.4,907.4],[421.9,761.1],[574,780.6]],"evidence":"目标是图像底部中央由上粉、左黄、右橙、下绿四根粗条组成的闭合方框，角部带彩色关节点。边界框紧贴所有条杆及端点圆点，并包含闭合框内区域。六个正点分布在四边和框内；四个负点位于框外上下左右的白色背景。"}},{"name":"Three upright oval forms","description":"Bottom row, fourth graphic: pink, green, and yellow upright ovals sit side by side. The pink and yellow forms alternate between open rings and narrow filled profiles, with red and purple moving markers.","membership":"Include each oval’s outer boundary and enclosed area, including its ring opening when visible, plus the associated colored markers. Exclude white gaps between the three separate forms and surrounding background.","id":"obj_014","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":1,"evidence":"目标为底排第四组并列的粉色、绿色、黄色竖直椭圆及红色、紫色标记。三者从0.00秒起已完整呈现，持续旋转并在环形和窄侧面之间变化，至最后采样帧24.75秒仍完整可见，无消失、拆解或出框。区间到达视频首尾，边界外均无采样帧。选择1.00秒为关键帧，三种颜色的椭圆区分清楚，彼此间隔明确，标记可见。","start_frame":0,"end_frame":600,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[587.5,663.9,716.1,875.9],"positive_points":[[594.8,747.2],[605.2,837.0],[639.6,716.7],[640.6,824.1],[688.0,676.9],[705.2,810.2]],"negative_points":[[575.5,682.4],[726.6,773.1],[651.0,913.9],[651.0,636.1]],"evidence":"目标是底排第四组并列的粉色、绿色和黄色竖直椭圆。边界框紧贴三个椭圆及其红色、紫色标记的整体范围；六个正点分布在三个椭圆及标记上，四个负点位于整组外围的空白背景，不落在环孔或椭圆间隙内。"}},{"name":"Purple angular zigzag","description":"Bottom-right animation: a thick purple path makes two tall peaks with vertical and diagonal segments. Pink, red, green, yellow, and brown dots mark endpoints, corners, or moving positions along it.","membership":"Include the purple path and all its associated colored dots. Follow the open zigzag’s actual stroke outline; exclude white spaces between segments and do not close or fill the angular gaps.","id":"obj_015","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标是画面右下角具有两个高峰的粗紫色开放折线路径及其附属彩色圆点。0.00秒首帧已完整呈现，后续仅有圆点移动和形态微变，至24.75秒末帧仍完整可见，无淡出、拆解或离场裁切，因此区间为[0,25)。区间两端均到达视频边界，没有更早或更晚的采样帧。选择0.00秒作为关键帧，折线轮廓和彩色圆点清晰，与相邻图形分离且无遮挡。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[741.1,641.7,872.9,897.2],"positive_points":[[747.9,652.8],[747.9,861.1],[777.1,757.4],[806.8,859.3],[806.8,665.7],[866.1,885.2]],"negative_points":[[705.2,772.2],[906.3,763.9],[804.7,935.2],[807.3,620.4]],"evidence":"目标是右下角带彩色圆点的紫色开放折线。边界框紧贴全部紫色笔画及其关联圆点；六个正点分布在端点、转角圆点和中间斜段上。负点位于左侧独立黄色图形及目标上方、右侧、下方的外部背景，不标记折线内部夹隙。"}}]}
+{"video_id":318,"video_type":"icons and abstract motion graphics","targets":[{"name":"SIMILARITY title","description":"The tall, narrow uppercase word “SIMILARITY,” initially displayed in white to the left of the geometric graphic and fading as the repeating pattern appears.","membership":"Includes only the letterforms of the complete title. Excludes the background and geometric shapes behind or beside it.","id":"obj_001","temporal":{"status":"found","start_s":0.0,"end_s":0.5,"reference_s":0.0,"evidence":"目标是几何图形左侧细长的大写白色“SIMILARITY”字母。0.00秒已完整呈现，0.25秒仍完整且明亮，为最后合格帧；紧接的0.50秒文字已明显变灰、开始淡出，因此不纳入。区间始于视频开头，没有更早采样帧。选择0.00秒作关键帧，文字清晰，且没有后续重复图形的干扰。","start_frame":0,"end_frame":12,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[102,207,421,276],"positive_points":[[118,273],[144,240],[194,245],[228,265],[304,255],[404,260]],"negative_points":[[260,180],[255,312],[85,240],[613,165]],"evidence":"目标是几何图形左侧白色细长大写标题“SIMILARITY”。边界框紧贴完整单词的可见字形；六个正点分布在不同字母笔画上，负点位于标题外围背景及右侧几何图形上。"}},{"name":"Opening three-armed emblem","description":"The isolated angular motif initially shown in the upper-right area on black. Three bent white strokes reveal a three-armed, isometric form that subsequently becomes one of the repeated tiles.","membership":"Includes the emblem’s own strokes and the three adjoining faces as they become visible, following its concave outer outline. Excludes neighboring copies and the title; initially open strokes do not enclose the intervening background.","id":"obj_002","temporal":{"status":"found","start_s":0.0,"end_s":3.5,"reference_s":0.75,"evidence":"按固定位置追踪开场黑底右上方的三臂图案，排除标题及周围复制图案。0.00秒已呈现三条完整折线，随后笔画增厚、三面显现并融入平铺图案；3.25秒仍完整可见，3.50秒该位置的图案已明显淡出，故最后纳入3.25秒。视频起点之前无采样帧。选择0.75秒，目标凹形外轮廓及三个面清楚，且与周围黑色中心的图案容易区分。","start_frame":0,"end_frame":84,"reference_frame":18},"grounding":{"status":"found","bbox_xyxy":[555.6,97.2,779.2,323.6],"positive_points":[[645.1,152.1],[594.4,241.7],[700,163.2],[750.7,247.9],[612.5,286.8],[721.5,295.1]],"negative_points":[[509,125],[840.3,250],[666,378.5],[500,447.9]],"evidence":"目标是图像右上区域由三块相邻白色折角面组成、以细黑线交汇的三臂徽记。边界框紧贴该实例的凹形外轮廓；六个正点分布在三个白色面上，四个负点位于外围的其他重复图案上，不包含相邻副本。"}},{"name":"Central three-armed emblem","description":"The three-faced angular tile near the center, below the title’s original position. Its heavier black outline distinguishes it from the surrounding tessellation. It remains the central reference form as neighboring tiles fade, nested outlines expand around it, and black-and-white copies separate and return; its fill later changes through black and gray to white.","membership":"Includes this individual emblem’s outer boundary, three adjoining face regions, and internal dividing edges. Follows the notches between its three arms rather than its bounding rectangle. Excludes surrounding tiles, displaced copies, and the expanding nested-outline array.","id":"obj_003","temporal":{"status":"found","start_s":0.75,"end_s":15.0,"reference_s":6.5,"evidence":"目标是画面中央的三臂角形徽记，包含三块相接的面和内部三分线；后续加粗轮廓、填色变化及复制动画可连续追踪同一个体，不含外围嵌套轮廓和移开的副本。0.50秒时其面仍处于初始显露过程，0.75秒首次完整呈现。最后���个合格帧为14.75秒，目标仍在中央；区间到达视频结尾，没有后一帧。选择6.50秒作为关键帧，此时目标单独位于白底中央，结构清楚且无遮挡。","start_frame":18,"end_frame":360,"reference_frame":156},"grounding":{"status":"found","bbox_xyxy":[388.2,386.8,611.8,613.2],"positive_points":[[473,452],[426,529],[526,450],[576,536],[461,574],[544,582]],"negative_points":[[350,500],[650,500],[500,350],[500,655]],"evidence":"图中唯一的中央三臂角形徽记由黑色外轮廓和三块相接的白色面组成。边界框紧贴其顶部、左右端及底部尖角；六个正点分布于三个面内，四个负点位于徽记外围的空白背景，不涉及内部区域。"}},{"name":"Nested emblem outline array","description":"A compact series of progressively larger outlines repeating the central emblem’s three-armed structure. The array expands into a large, tunnel-like geometric pattern and then contracts away, leaving the single central emblem.","membership":"Includes the nested contour strokes, connecting divisions, and the area enclosed by the array’s outermost complete contour, including the central emblem within it. Follows the outer contour’s concavities. Excludes the white exterior background and the later separately displaced solid tiles.","id":"obj_004","temporal":{"status":"found","start_s":4.75,"end_s":6.25,"reference_s":5.25,"evidence":"目标是围绕中央三臂徽记、由逐级放大的重复轮廓和连接分隔线组成的嵌套阵列。4.75秒首次完整呈现，之前4.50秒仍是单个徽记及周围淡化的独立图块；阵列随后整体扩张、收缩，6.00秒仍可见，6.25秒已仅剩单个中央徽记。扩张期间的短暂越界不是退出。选择5.25秒作为关键帧，此时外轮廓完整、嵌套层次清晰且无其他图块遮挡。","start_frame":114,"end_frame":150,"reference_frame":126},"grounding":{"status":"found","bbox_xyxy":[161.8,158.3,838.2,841.7],"positive_points":[[499,310],[400,410],[613,421],[234,620],[760,652],[500,660]],"negative_points":[[500,100],[245,350],[780,350],[500,825]],"evidence":"图中多层三臂轮廓与连接分界线构成嵌套徽标阵列。边界框紧贴整个阵列的最外侧轮廓；正点分布在上臂、左右两臂及下部轮廓所包围的区域，包含中央徽标。负点位于顶部外背景、左右外侧及底部凹口之外，不落在阵列内部空隙中。"}}]}
+{"video_id":319,"video_type":"icons and abstract motion graphics","targets":[{"name":"Horizontal line graphic","description":"The opening graphic consists of three parallel purple and pale horizontal lines, with a small curled circular mark near their middle.","membership":"Includes the three line strokes and the central curled mark. Excludes the surrounding background and diffuse glow.","id":"obj_001","temporal":{"status":"found","start_s":0.0,"end_s":0.25,"reference_s":0.0,"evidence":"0.00秒可见完整的三条平行紫色及浅色横线，以及中部的小卷曲圆形标记，与目标描述一致；该帧是首个也是最后一个 qualifying 帧。相邻的0.25秒帧中，上方两条横线已大幅缩短、向右撤去，中央标记也已扩展为圆弧，目标开始解体，故不纳入。区间到达视频起点，没有更早的采样帧。选择0.00秒作为关键帧，因为所有指定成员均清晰可辨。","start_frame":0,"end_frame":6,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[199.2,459.7,767.2,541.7],"positive_points":[[273.4,464.6],[720.3,464.6],[301.6,502.1],[224.2,538.9],[624.2,538.9],[489.1,502.8]],"negative_points":[[468.8,395.8],[796.9,502.8],[156.3,534.7],[507.8,611.1]],"evidence":"图像中央可见三条平行的紫色及浅色横线，中间有小型卷曲圆形标记。边界框紧贴三条线及卷曲标记的整体可见范围，不包含外围弥散光晕。正点分布在线条左右段和卷曲笔画上，负点位于图形上、下、左、右的外部黑色背景。"}},{"name":"Purple concentric arc graphic","description":"Centered nested circular arcs begin in purple and white, with a smaller complete ring inside. The composition subsequently appears in muted blue-gray with central crosshair-like lines.","membership":"Includes the curved bands, central ring and its enclosed area, and associated crosshair strokes. Incomplete arcs remain open; their gaps and the spaces between separate arcs are excluded.","id":"obj_002","temporal":{"status":"found","start_s":0.0,"end_s":1.25,"reference_s":0.5,"evidence":"目标是开头居中的紫白色嵌套开放弧带及内侧完整圆环，随后变为蓝灰色并出现中心准星线。首帧0.00秒已具有可辨认的完整弧形结构，之后主要放大、旋转；最后纳入1.00秒。相邻的1.25秒中原弧带已消退为极细残线，进入退出阶段。区间起点即视频开头，无更早采样帧。选择0.50秒作为关键帧，弧带和内环较大、轮廓清晰且遮挡少。","start_frame":0,"end_frame":30,"reference_frame":12},"grounding":{"status":"found","bbox_xyxy":[289,219,656,879],"positive_points":[[346,276],[476,848],[645,539],[546,699],[499,369],[500,496]],"negative_points":[[203,486],[438,167],[707,736],[500,940]],"evidence":"目标是画面中央的紫色与白色同心弧形组合。边界框紧贴外侧紫弧及白弧的可见极限，包含内侧紫弧、完整小圆环及其内部和中心细小十字线。正点分布于各层弧带、小圆环及其内部；负点均位于组合外围背景，不落在环内或弧带间隙中。"}},{"name":"Green radial burst","description":"A bright green central ring is surrounded by green, teal, and pale radial strokes. The ring recedes while the strokes remain and a tiny diamond appears at the center.","membership":"Includes the radial strokes and central closed shapes, including the areas enclosed by the ring or diamond while visible. Excludes open spaces between rays and the surrounding glow.","id":"obj_003","temporal":{"status":"found","start_s":1.75,"end_s":2.0,"reference_s":1.75,"evidence":"目标由闭合亮绿色中心圆环及绿色、青色、浅色放射线组成。1.75秒是首个且最后一个符合条件的采样帧：圆环完整，周围射线已展开。此前1.50秒左上方射线仍在逐步显现；此后2.00秒右侧射线已开始消失，中心圆环被小菱形替代。选择1.75秒作为关键帧，圆环与多色射线清晰，便于区分目标和外围装饰。","start_frame":42,"end_frame":48,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[293,133.3,712.5,879.2],"positive_points":[[554.7,136.1],[300,596],[500,871],[701,404],[499,499],[628,727]],"negative_points":[[200,500],[500,65],[800,500],[500,950]],"evidence":"目标是中央绿色闭合圆环及周围绿色、青色和浅色放射短线。框覆盖最上方微小绿线至底部长线，以及左右最外侧射线，不含紫色控制点和外围光晕。正点分布在射线及按定义包含的圆环内部；负点均位于整体图形外的黑色背景。"}},{"name":"Green diamond and satellite squares","description":"A large green diamond-shaped square frame expands around a smaller bright green diamond. Pale outlined squares overlap its upper-left and lower-right sides.","membership":"Includes each square frame and the area it encloses, including overlaps and nested contents. Excludes exterior background, detached residual rays, and the incoming curved-band graphic.","id":"obj_004","temporal":{"status":"found","start_s":2.25,"end_s":3.25,"reference_s":2.75,"evidence":"目标由绿色外层菱形框、内层亮绿菱形及左上和右下的浅色卫星方框组成。2.25秒各方框已形成闭合结构，随后完整放大；最后符合条件的帧为3.00秒。此前2.00秒右下卫星方框尚未清晰完整呈现；之后3.25秒菱形主体消失，卫星方框淡出，转入曲带图形。选择2.75秒作为关键帧，各框及其重叠关系最清楚， incoming曲带遮挡很少。","start_frame":54,"end_frame":78,"reference_frame":66},"grounding":{"status":"found","bbox_xyxy":[263.3,100,723.4,897.2],"positive_points":[[500,125],[270,372],[438,388],[713,498],[653,610],[499,878]],"negative_points":[[220,370],[780,500],[500,945],[350,110]],"evidence":"目标由外围大绿色菱形框、内部亮绿色菱形及左上和右下的浅色方框组成。边界框紧贴这些方框的整体可见范围；正点分布在各框边缘及按规则包含的内部区域，负点位于整体图形之外的黑色背景，未标记框内空白。"}},{"name":"Pink concentric arc assembly","description":"A broad luminous pink outer arc surrounds closely spaced purple, teal, white, and violet inner arcs. These bands later retract toward the top of the composition.","membership":"Includes the nested curved bands and any complete circular outlines with their enclosed areas. Open bands retain their gaps; empty space outside or between open bands is excluded.","id":"obj_005","temporal":{"status":"found","start_s":3.5,"end_s":3.75,"reference_s":3.5,"evidence":"3.50秒可见宽而发光的粉色外弧，包围紧密排列的紫色、青绿色、白色及紫罗兰色内弧，符合目标描述；这是首个及最后一个合格采样帧。此前3.25秒内层弧仍在从顶部逐步绘出；此后3.75秒粉色外弧已明显回缩至顶部左侧，开始退场。选择3.50秒为关键帧，因为各层弧带清晰、遮挡少，且保留明确的顶部缺口。","start_frame":84,"end_frame":90,"reference_frame":84},"grounding":{"status":"found","bbox_xyxy":[272.7,104.2,724.2,900],"positive_points":[[357,238.9],[643,747.2],[355.5,509.7],[496.1,729.2],[588.3,362.5],[420.3,631.9]],"negative_points":[[203.1,500],[804.7,486.1],[496.1,69.4],[500,972.2]],"evidence":"目标为中央宽亮粉色外弧及其内侧紫色、青绿色、白色和紫罗兰色嵌套弧带。边界框紧贴可见弧带的整体范围；正点分布在外弧和各层内弧的实线上，负点位于整体上下左右的外部黑色背景，避开环内空洞及弧带间隙。"}},{"name":"Green diamond with purple ring","description":"A green diamond frame surrounds a purple central ring, initially with a circular array of green rays outside. The purple ring enlarges until it overlaps the diamond's sides.","membership":"Includes the diamond boundary and enclosed area, the purple ring and its enclosed area, and the associated radial marks outside the diamond. Excludes background between detached exterior marks.","id":"obj_006","temporal":{"status":"found","start_s":4.5,"end_s":5.25,"reference_s":5.0,"evidence":"目标为绿色菱形边框、中央紫色圆环及外围绿色放射刻线。4.50秒首次清楚呈现完整组合，随后圆环扩大，至最后合格帧5.00秒与菱形边相交。此前4.25秒中央紫环尚未清晰建立；之后5.25秒菱形已淡化为极细轮廓，原外围刻线消失，进入退出阶段。选择5.00秒作为关键帧，因为两种主体形状及其交叠关系最易辨认。","start_frame":108,"end_frame":126,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[273.4,97.2,724.2,898.6],"positive_points":[[499,109],[346,489],[502,490],[716,499],[499,767],[702,403]],"negative_points":[[220,500],[780,500],[499,50],[500,947]],"evidence":"目标为中央绿色菱形框、与其交叠的紫色圆环及外围放射状小标记。边界框覆盖完整菱形、圆环和所有关联标记。正点分布在菱形边框、紫色圆环、按规则包含的中央区域及右上外围标记上；负点位于整体目标四周的外部黑色背景。"}},{"name":"Circular green tick dial","description":"A large blue circular outline encloses twelve green clock-like tick marks. The outer circle recedes, and a small central square grows and tilts among the remaining ticks.","membership":"Includes the outer circle and its enclosed area while present, the twelve tick strokes, and the central square frame and its interior. Without the outer circle, the background between separate marks is excluded.","id":"obj_007","temporal":{"status":"found","start_s":5.5,"end_s":6.5,"reference_s":5.5,"evidence":"目标是蓝色圆框内的十二枚绿色钟表状刻度，随后外圈退去、中央小方框出现并放大倾斜。首个合格帧为5.50秒，最后为6.25秒；此前5.25秒刻度仍是初始圆点，之后6.50秒刻度已开始缩短擦除。选择5.50秒作关键帧，圆框和十二枚刻度清楚完整，且无明显遮挡。","start_frame":132,"end_frame":156,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[271.9,93.1,726.6,900],"positive_points":[[500,104],[279,498],[719,500],[500,887],[436,304],[570,580]],"negative_points":[[212,493],[785,495],[499,43],[500,953]],"evidence":"图中蓝色圆形外框包围十二条绿色钟面刻度，与目标一致，未见中央方框。边界框紧贴外圆的可见范围；正点分布于圆框、绿色刻度及按规则包含的圆内区域，负点均位于圆外背景。"}},{"name":"White and purple nested squares","description":"A large bright white tilted square surrounds a smaller purple square, with two purple satellite square outlines overlapping opposite sides.","membership":"Includes all four square frames and their enclosed areas. Includes overlaps but excludes the background outside their combined outlines and diffuse light halos.","id":"obj_008","temporal":{"status":"found","start_s":6.5,"end_s":7.25,"reference_s":7.0,"evidence":"目标是白色外层倾斜方框、紫色内层方框及在相对两侧重叠的两个紫色卫星方框。6.50秒四个方框均已完整出现，随后缩放、旋转，最后合格帧为7.00秒；前一帧6.25秒尚未完整呈现全部成员，后一帧7.25秒方框已明显变细、淡出。选择7.00秒作关键帧，白紫配色鲜明，四个方框及其重叠关系最清楚。","start_frame":156,"end_frame":174,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[265.6,93.1,726.6,902.8],"positive_points":[[486,115],[712,479],[511,883],[499,493],[653,324],[344,618]],"negative_points":[[270,160],[760,350],[290,790],[710,870]],"evidence":"目标为白色大倾斜方框、内部紫色方框及右上和左下两个紫色卫星方框。边界框紧贴四个方框的整体可见范围，不含漫射光晕。正点分布在白框及各方框所围区域内；负点均位于组合轮廓之外的黑色背景。"}},{"name":"Green circular crosshair and ring assembly","description":"A central crosshair develops into a broad segmented green annulus with lighter green and gray-purple sectors. The circular composition subsequently contracts and expands into green concentric contours, with crosshair and radial marks appearing within it.","membership":"Includes circular bands, complete circular boundaries and their enclosed areas, and associated crosshair or radial strokes. Incomplete arcs remain open, and detached strokes do not fill the background between them.","id":"obj_009","temporal":{"status":"found","start_s":8.0,"end_s":8.5,"reference_s":8.0,"evidence":"目标为中央十字及斜向射线与宽绿色分段圆环组成的整体，圆环含浅绿和灰紫色扇区。8.00秒首次完整呈现，8.25秒仍保持完整圆环及内部准星；此前7.75秒外环尚有明显未完成缺口，之后8.50秒圆环开始被擦除，右上出现大缺口且准星笔画缩短。选择8.00秒为关键帧，分段颜色与准星结构清晰、无遮挡。","start_frame":192,"end_frame":204,"reference_frame":192},"grounding":{"status":"found","bbox_xyxy":[269.5,91.7,728,905.6],"positive_points":[[469,155],[386,216],[572,176],[688,560],[299,564],[500,500]],"negative_points":[[200,500],[797,490],[494,35],[501,958]],"evidence":"目标是中央绿色分段圆环与十字准线组合，包含浅绿、灰紫扇段及内部圆圈和径向线条。边界框紧贴整个组合的最外缘；正点分布于各色圆环段和中央闭合圆所包围区域，负点位于组合上、下、左、右的外部背景。"}},{"name":"Blue-gray diamond with radial marks","description":"Nested blue-gray diamond outlines are crossed by green and blue radial strokes. A broad gray-purple curved band subsequently passes around the diamond.","membership":"Includes the diamond frames and their enclosed areas, the projecting radial strokes and dots, and the curved band belonging to this compact composition. Excludes spaces outside the diamond between separate strokes and the open portion of the arc.","id":"obj_010","temporal":{"status":"found","start_s":10.75,"end_s":11.25,"reference_s":11.0,"evidence":"目标是蓝灰色嵌套菱形、向外伸出的绿蓝放射线及随后环绕的灰紫色弧带。首个合格帧为10.75秒，最后为11.00秒；此前10.50秒内层轮廓仍未绘制完整，之后11.25秒菱形边框已开始擦除，构图转为圆弧。选择11.00秒作为关键帧，因为菱形、放射线和宽弧带的组合最清楚。","start_frame":258,"end_frame":270,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[276.6,91.7,723.4,898.6],"positive_points":[[504,144],[347,343],[688,500],[500,780],[610,320],[492,502]],"negative_points":[[300,220],[700,230],[690,790],[321,797]],"evidence":"目标是中央蓝灰色嵌套菱形与放射线组成的图形，外围有宽灰紫色弧带。框覆盖菱形、放射笔画及端点、顶部绿线和外围弧带。正点分布在菱形内部、绿线、左右放射线及弧带上；负点位于组合外围的独立背景区域，避开菱形内部和弧带包围的空隙。"}},{"name":"Circular spoke dial with curved sectors","description":"A thin dark circle is crossed by twelve blue spokes, with a small tilted square at its center and green and gray-purple arc sectors near its upper edge.","membership":"Includes the circular boundary and enclosed area, projecting spoke segments, the central square, and the upper curved sectors. Excludes exterior background between protruding elements.","id":"obj_011","temporal":{"status":"found","start_s":11.5,"end_s":12.0,"reference_s":11.5,"evidence":"目标位于画面中央，由细暗色圆周、十二根蓝色辐条、中心倾斜方框及上缘绿色和灰紫色弧块组成。首个符合帧为11.50秒，最后为11.75秒，期间中心方框缩放、弧块变化但表盘结构仍在。此前11.25秒圆周和中心方框尚在显现；之后12.00秒辐条已收缩成短点，圆形结构解体并转为大方框。选择11.50秒作为关键帧，其各组成部分清楚且最符合描述。","start_frame":276,"end_frame":288,"reference_frame":276},"grounding":{"status":"found","bbox_xyxy":[285.9,101.4,714.8,881.9],"positive_points":[[500,153],[299,500],[500,854],[700,500],[625,235],[430,257]],"negative_points":[[335,190],[700,220],[329,826],[687,811]],"evidence":"目标由深色圆周、十二根蓝色辐条、中央倾斜小方框及上方绿色和灰紫色弧段共同识别。边界框覆盖圆周及其内部、所有外伸辐条和上方弧段。正点分布于四向辐条及两处彩色弧段；负点位于圆外且远离突出部件的背景。"}},{"name":"Rotating nested square graphic","description":"A broad pale blue-gray tilted square is accompanied by green arc fragments near its upper edge. The square composition becomes a bright pink diamond inside a thin dark-purple diamond, then a purple tilted square surrounded by separated outer sides.","membership":"Includes the square and diamond frames, their enclosed areas when closed, and the associated compact arc fragments. Separated outer sides remain individual open strokes and do not imply a filled outer diamond.","id":"obj_012","temporal":{"status":"found","start_s":11.5,"end_s":13.5,"reference_s":12.75,"evidence":"目标从浅蓝灰色倾斜方框放大，伴随绿色弧片，随后变成粉色内菱形、深紫色外菱形及旋转紫色方框。首个合格帧为11.50秒，方框已完整；前一帧11.25秒中心仅有微小淡痕，仍在显现。最后合格帧为13.25秒，紫色方框与分离的外围线段清楚可见；13.50秒已进入收缩、线条变薄和消退阶段。选择12.75秒作为关键帧，嵌套方框边界清晰，遮挡少，顶部附属弧片亦可辨认。","start_frame":276,"end_frame":324,"reference_frame":306},"grounding":{"status":"found","bbox_xyxy":[273.4,97.2,726.6,902.8],"positive_points":[[473.4,117.4],[276.6,499.3],[441.4,355.6],[626.6,498.6],[500,744.4],[492.2,459.7]],"negative_points":[[234.4,486.1],[781.3,555.6],[500,34.7],[500,958.3]],"evidence":"目标是中央嵌套方框图形：暗紫色外菱形、亮粉色内菱形、中央紫色斜方框及顶部绿色短弧。边界框覆盖这些图形的全部可见范围；六个正点分布在短弧及各层框线上，四个负点位于整体图形外的黑色背景。"}},{"name":"Multicolored radial stroke circle","description":"An evenly spaced circular burst of thin teal, green, and pale strokes appears without a dominant enclosing frame. Short curved fragments emerge near its top and bottom.","membership":"Includes the individual radial strokes and associated short arc fragments. Excludes the empty central opening and the background between rays.","id":"obj_013","temporal":{"status":"found","start_s":13.75,"end_s":15.0,"reference_s":14.25,"evidence":"目标是由青绿、绿色和浅色细线均匀围成的放射圆环，并伴随上下方的短弧片段。首个合格帧为13.75秒，最后为14.75秒；13.50秒的射线仍是初始显露的短划，15.00秒已有多处射线缩短、消退，开始退出。选择14.25秒作为关键帧，此时射线完整清楚，上下短弧可辨，且没有占主导的外框。","start_frame":330,"end_frame":360,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[286.7,120.8,713.3,879.2],"positive_points":[[500,194.4],[506.3,315.3],[664.1,500],[484.4,811.1],[375,722.2],[345.3,573.6]],"negative_points":[[234.4,138.9],[750,222.2],[742.2,819.4],[250,847.2]],"evidence":"目标是由青绿、亮绿及浅色细线组成的环形放射图案，上下伴有短片段。边界框紧贴全部射线及相关片段；正点分布在上方射线、上下片段和左右下方射线上，负点均位于图案外围背景，避开中央空洞与射线间隙。"}},{"name":"Blue and gray-purple concentric rings","description":"Circular arcs develop around the radial marks, forming a substantial blue inner ring and a broad gray-purple outer arc. The composition simplifies to a thin central circle and a large dark open outer circle.","membership":"Includes circular bands, complete circular outlines and their enclosed areas, and attached or overlapping radial marks. Open arcs retain their gaps; detached exterior marks include only their visible shapes.","id":"obj_014","temporal":{"status":"found","start_s":15.25,"end_s":15.75,"reference_s":15.25,"evidence":"目标对应蓝色完整内环、宽灰紫色外弧及重叠的径向刻线。15.25秒首次呈现完整成形的组合，15.50秒仍保留双环结构，内环缩小、外弧缺口改变。此前15.00秒仍是分散弧段的构建阶段；之后15.75秒宽外弧已大幅擦除，仅剩短弧及细圆轮廓。选择15.25秒作为关键帧，双环最清楚，便于区分和标注。","start_frame":366,"end_frame":378,"reference_frame":366},"grounding":{"status":"found","bbox_xyxy":[286.7,93.1,712.5,878],"positive_points":[[501,96],[565.6,198.6],[361,458],[497,837],[590,656],[496,495]],"negative_points":[[240,500],[780,490],[480,40],[510,950]],"evidence":"目标是画面中央的蓝色内环与灰紫色外弧组合。边界框覆盖圆带、顶部深色弧线及径向刻线等可见标记。正点分布在内环、外弧、顶部弧线及按规则包含的内环围合区域；负点位于整个图形外围的空白背景，未放入环内或弧线缺口。"}},{"name":"Green diamond crosshair","description":"A green diamond outline develops around a purple central ring and four bright green cardinal strokes, with thinner diagonal strokes and small circular accents nearby.","membership":"Includes the diamond boundary and enclosed area, projecting crosshair strokes, and the small circular accents with their enclosed areas. Excludes background outside the combined shapes.","id":"obj_015","temporal":{"status":"found","start_s":17.0,"end_s":17.25,"reference_s":17.0,"evidence":"17.00秒可见完整绿色菱形边界、紫色中心圆环、四向亮绿色十字笔画、细斜线及周围小圆形，符合目标组合，也是首末合格帧。前一帧16.75秒菱形顶部及部分十字笔画仍在展开绘制；后一帧17.25秒菱形边界已消失，变为圆形构图。选择17.00秒作为关键帧，因指定结构完整且清晰可辨。","start_frame":408,"end_frame":414,"reference_frame":408},"grounding":{"status":"found","bbox_xyxy":[258.6,97.2,726,897.2],"positive_points":[[500.5,108.3],[291,394],[399,321],[719,499],[500.5,884],[689,695]],"negative_points":[[156,250],[781,361],[234,778],[750,903]],"evidence":"图中可见绿色菱形准星、四向伸出的亮绿色笔画及周围圆形点缀。边界框覆盖菱形及其内部、准星伸出部分和小圆形；正点分布在顶部、右侧和底部笔画、菱形边线及左右圆形点缀上，负点均位于组合图形之外的黑色背景。"}},{"name":"Circular crosshair with satellite rings","description":"A large blue circular frame contains green crosshair strokes and is overlapped by a large left satellite ring and smaller upper-right and lower-right rings. The central composition later uses radial ticks, purple inner contours, and bright pale curved bands.","membership":"Includes the main circular frame and its enclosed area, satellite rings and their enclosed areas, crosshair and radial strokes, and concentric curved bands. Open curves remain open, and exterior spaces between independent elements are excluded.","id":"obj_016","temporal":{"status":"found","start_s":17.0,"end_s":19.0,"reference_s":17.25,"evidence":"17.00秒起，主圆框、绿色准星及左侧、右上、右下卫星圆环均已完整可见；随后连续变为径向刻度、紫色内轮廓和浅色弧带，最后合格帧为18.75秒。此前16.75秒准星等结构仍在展开；19.00秒径向结构开始消退，并转入菱形线条组合。选择17.25秒作为关键帧，蓝色主圆框和三个卫星环最清楚，便于区分各成员。","start_frame":408,"end_frame":456,"reference_frame":414},"grounding":{"status":"found","bbox_xyxy":[165.6,93.1,732.8,904.2],"positive_points":[[222.7,388.9],[500,500],[611.7,190.3],[689.8,694.4],[453.1,777.8],[636.7,500]],"negative_points":[[120,500],[820,500],[500,35],[500,950]],"evidence":"目标是蓝色大圆框、绿色十字及左侧、右上和右下卫星圆环构成的整体。边界框紧贴全部圆环与绿色笔画的可见外缘。正点分布在主圆及卫星圆环的内部和十字笔画上，符合包含封闭区域的规则；负点均位于整体外围背景。"}},{"name":"Nested diamonds with green satellite squares","description":"A circular center is surrounded by green diamond-shaped outlines and a broad pale open diamond band. Bright green satellite squares overlap the upper-left and lower-right portions; later the large tilted frame contains a changing radial stroke pattern.","membership":"Includes closed diamond and square frames with their enclosed areas, the central circle and its enclosed area, the broad open angular band, and associated radial strokes. Open angular sections do not close their missing sides. Excludes exterior background and light halos.","id":"obj_017","temporal":{"status":"found","start_s":19.25,"end_s":21.5,"reference_s":19.75,"evidence":"目标由中心圆、嵌套绿色菱形、浅色开放角带及左上和右下的绿色卫星方框识别。19.25秒首次形成该完整组合，随后大框旋转，内部转为径向线条；最后符合的采样帧为21.25秒。此前19.00秒仍在展开角带，卫星方框尚未建立；此后21.50秒菱形框已消失，仅余径向线条等元素。选择19.75秒，因嵌套菱形和两个绿色卫星方框最清楚，便于空间标注。","start_frame":462,"end_frame":516,"reference_frame":474},"grounding":{"status":"found","bbox_xyxy":[132.8,0,865.6,1000],"positive_points":[[137,528],[861,470],[395,322],[612,650],[500,498],[499,857]],"negative_points":[[63,500],[930,500],[234,83],[781,903]],"evidence":"目标由嵌套菱形、浅色开放粗带及左上和右下的绿色方框构成。框覆盖全部结构，包括上下被画面裁切的外层细线菱形，不含光晕。正点分布在外框内侧、两个绿色方框内部、中央菱形内部和底部粗带；负点位于整体外侧的黑色背景。"}},{"name":"Expanding concentric circle composition","description":"Blue arcs and radial strokes surround a small central circle, then develop into dark inner rings and a large outer circle. The palette changes to pink, purple, and white, with satellite rings appearing at the lower-left and upper-right before a broad pink arc and central crosshair dominate the final presentation.","membership":"Includes complete circular boundaries and their enclosed areas, open curved bands, radial and crosshair strokes, and satellite circles with their interiors. Incomplete curves retain their gaps. Excludes background outside the combined shapes and diffuse glow.","id":"obj_018","temporal":{"status":"found","start_s":23.5,"end_s":24.0,"reference_s":23.75,"evidence":"依据同心圆层级及左下、右上卫星圆识别目标。23.50秒首次呈现完整的多层圆形边界和卫星圆，23.75秒仍完整，配色变为白、紫、粉色。前一帧23.25秒尚以单个宽外环和小中心圆为主，层级仍在展开；后一帧24.00秒部分同心环已消失，内侧仅余开放弧线，开始退出。选择23.75秒作为关键帧，各层圆环和两个卫星圆最清楚。","start_frame":564,"end_frame":576,"reference_frame":570},"grounding":{"status":"found","bbox_xyxy":[232.8,93.1,726.6,900],"positive_points":[[499,110],[688,492],[500,882],[500,495],[253,710],[650,232]],"negative_points":[[180,500],[800,480],[490,25],[490,965]],"evidence":"图中白色外圆、紫色宽环、粉色与绿色内圈，以及左下和右上的卫星圆共同构成目标。框覆盖全部清晰圆形边界及其围合区域，不包含外围弥散光晕。正点分布于外圈、紫环、中央围合区和两个卫星圆内；负点位于整体形状之外的黑色背景。"}}]}
+{"video_id":320,"video_type":"icons and abstract motion graphics","targets":[{"name":"Upper-left semicircle animation panel","description":"The upper-left tile has a muted mauve field with a pale circular dome that repeatedly rises and expands. A gray triangle appears above or against the dome during parts of the animation.","membership":"Includes the complete rectangular tile, its background surface, and all portions of animated shapes visible inside its boundary. Excludes the neighboring tiles and any portions of shapes beyond this tile.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":1.25,"evidence":"目标是画面左上方的完整矩形面板，以浅灰紫背景、反复升起扩大的浅色圆顶及阶段性出现的灰色三角形识别。面板表面和边界从首帧0.00秒至末帧24.75秒始终完整存在，内部图形变化不影响面板的连续性。区间覆盖视频首尾，两端均无区间外采样帧。选择1.25秒作为关键帧，此时背景、圆顶和三角形清晰，面板与相邻区域易于区分。","start_frame":0,"end_frame":600,"reference_frame":30},"grounding":{"status":"found","bbox_xyxy":[0,0,334,500],"positive_points":[[53,72],[271,104],[149,233],[53,415],[166,391],[292,460]],"negative_points":[[380,180],[703,128],[159,698],[473,721]],"evidence":"目标是左上角具有灰紫色背景、浅色圆顶和灰色三角形的矩形面板。边界框覆盖整个左上方瓷砖，包括背景及其内部可见形状。六个正点分布于背景、圆顶和三角形上；四个负点位于右侧及下方的其他面板内。"}},{"name":"Upper-middle dots and expanding circle panel","description":"The pale upper-middle tile displays a column of large gray circles, sequences of smaller green circles, and a large gray circular form expanding from its upper-right corner. Pale polygons and a mauve triangle also appear within it.","membership":"Includes the complete rectangular tile and its changing contents, including the dot sequences, clipped circular form, and other animated shapes. Excludes all neighboring tiles.","id":"obj_002","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":5.5,"evidence":"目标是上排中央的浅色矩形面板，以其内部的大灰圆点、小绿圆点及右上角扩张的灰色圆形辨认，不包括相邻色块。首个合格帧为0.00秒，此时面板表面和边界已完整建立；内部图形的出现、移动和变化不影响面板的连续存在。最后合格帧为24.75秒，面板仍完整可见，因此区间覆盖整个视频；起点之前和终点之后均无采样帧。选择5.50秒作为关键帧，面板边界清晰，绿色圆点序列、右上灰色圆形及浅色多边形均易于辨识。","start_frame":0,"end_frame":600,"reference_frame":132},"grounding":{"status":"found","bbox_xyxy":[334,0,666,500],"positive_points":[[360,150],[499,88],[596,262],[447,383],[390,457],[629,125]],"negative_points":[[191,233],[810,222],[489,665],[793,741]],"evidence":"目标是上排中间的浅色矩形面板，可见右上方裁切的大灰色圆形、浅色多边形和底部绿色圆点序列。边界框覆盖整个上中面板；正点分布在面板底色及其内部图形上，负点位于左上、右上、下中和右下相邻面板。"}},{"name":"Upper-right diamond sequence panel","description":"The dark green upper-right tile contains six small squares, initially arranged as alternating gray, mauve, and pale diamonds across the top. They rotate, overlap, and travel around the tile while a gray bar changes position and orientation.","membership":"Includes the complete rectangular tile, its green surface, and all animated squares, bars, and other shapes displayed within it. Excludes the adjacent panels.","id":"obj_003","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标是右上角深绿色矩形面板，包含灰色、淡紫色和浅色小方块序列及变化的灰色条。面板表面和边界从0.00秒起已完整建立，持续存在至最后采样帧24.75秒；内部图形的旋转、重叠和移动不改变面板身份。区间覆盖视频全长，起点之前和终点之后均无采样帧。选择0.00秒为关键帧，面板完整清晰，六个菱形方块彼此分离，便于标注并与相邻面板区分。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[666.3,0,1000,500],"positive_points":[[720,68],[855,67],[945,69],[743,266],[918,393],[866,463]],"negative_points":[[550,153],[489,384],[766,598],[925,820]],"evidence":"目标是右上角深绿色矩形面板，顶部可见六个灰色、淡紫色和浅色菱形，下部有灰色横条。边界框覆盖完整面板及其内部图形。正点分布在菱形、绿色表面及灰条上；负点位于左邻面板和下方淡紫色面板，排除相邻区域。"}},{"name":"Lower-left rotating nested-square panel","description":"The lower-left tile centers a pale rotating square around a smaller gray square. A dark green disk behind the squares repeatedly expands and contracts against a gray field; a mauve triangular shape overlaps the central motif during parts of the sequence.","membership":"Includes the complete rectangular tile and all its contents, including the full visible areas of the nested squares, circular backing, and overlapping animated shapes. Shapes extending outside the tile are included only where visible within its boundary. Excludes neighboring tiles.","id":"obj_004","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":1,"evidence":"目标是左下方完整矩形 tile，内有浅色旋转方块、较小灰色方块及伸缩的深绿色圆形背衬，部分时刻有 mauve 三角形重叠。该面板从首个采样帧 0.00 秒到最后采样帧 24.75 秒始终完整存在；内部图形的旋转、缩放及重叠不改变面板身份。区间覆盖视频首尾，两端均无区间外采样帧。选择 1.00 秒为关键帧，此时面板边界清晰，嵌套方块与圆形背衬完整可辨，遮挡较少。","start_frame":0,"end_frame":600,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[0,500,333.74,1000],"positive_points":[[37,546],[305,948],[63,709],[246,837],[122,759],[166,754]],"negative_points":[[160,241],[493,241],[505,741],[831,741]],"evidence":"目标为左下角灰底矩形面板，内有深绿色圆盘、浅色旋转方形和较小灰色方形。边界框覆盖该完整面板至图像左侧及底部边缘；正点分布在灰色底面、圆盘及嵌套方形上，负点位于上方和右侧的其他面板中。"}},{"name":"Lower-middle ellipse and orbiting dots panel","description":"The pale lower-middle tile contains a horizontally stretched gray ellipse entering from the left, a gray horizontal bar near the bottom, and a mauve circle clipped by the bottom edge. Small mauve dots and pale or green angular shapes move through the panel.","membership":"Includes the complete rectangular tile, its pale surface, and every animated element visible within its boundary, including clipped portions of the ellipse and bottom circle. Excludes adjoining tiles and portions of shapes outside this panel.","id":"obj_005","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":3,"evidence":"目标是下排中间的浅色矩形面板，内有从左侧伸入的灰色扁椭圆、靠下的灰色横线，以及底缘裁切的紫粉色圆和运动小点、角形。面板表面与边界从首帧0秒至末帧24.75秒始终完整存在，内部元素变化不影响面板身份。区间到达视频首尾，两端均无区间外采样帧。选择3秒作为关键帧，此时面板边界清楚，椭圆、横线、底部圆及小点均易于辨认。","start_frame":0,"end_frame":600,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[333.7,500,666.3,1000],"positive_points":[[389,558],[395,665],[511,830],[554,889],[489,976],[640,593]],"negative_points":[[220,740],[490,350],[801,641],[169,299]],"evidence":"目标是下排中央的浅色矩形面板，可见从左侧伸入的灰色扁椭圆、底部横条及被图像底边截断的淡紫圆。边界框覆盖整块面板及其内部所有可见元素；正点分布在面板表面、椭圆、圆点、横条和底部圆上，负点位于相邻面板。"}},{"name":"Lower-right moving-line panel","description":"The mauve lower-right tile presents an arrangement of thin pale horizontal lines, thicker dark green horizontal bars, a tall gray vertical stroke, and a narrow gray horizontal stroke. A short pale block slides near the bottom, and a pale triangle passes through during the animation.","membership":"Includes the complete rectangular tile and all lines, bars, blocks, and animated shapes displayed inside it. Includes the mauve spaces between these elements as part of the panel surface. Excludes neighboring tiles.","id":"obj_006","temporal":{"status":"found","start_s":0,"end_s":25,"reference_s":0,"evidence":"目标是右下角完整的 mauve（灰紫色）矩形面板，内有浅色细横线、深绿色横条、灰色竖线与细横线，以及底部浅色滑块。面板从首帧0.00秒到末帧24.75秒始终完整存在；内部线条移动及三角形穿过不改变面板身份或完整性。区间覆盖整个视频，起点前和终点后均无采样帧。选择0.00秒作为关键帧，因为面板边界清晰，内部元素容易辨认，且无三角形遮挡。","start_frame":0,"end_frame":600,"reference_frame":0},"grounding":{"status":"found","bbox_xyxy":[666.26,500,1000,1000],"positive_points":[[710,564],[887,547],[848,654],[760,766],[718,953],[929,899]],"negative_points":[[823,324],[546,660],[499,928],[210,759]],"evidence":"目标是右下角的淡紫色矩形面板，内有浅色细横线、深绿色横条和灰色十字状线条。边界框覆盖整个面板至图像右边缘和下边缘；正点分布于面板底色及内部线条、浅色块上，负点位于上方、左侧及左下方的相邻面板。"}}]}
+{"video_id":321,"video_type":"icons and abstract motion graphics","targets":[{"name":"Cream diagonal line","description":"A hairline cream stroke sweeps diagonally across the opening orange scene and passes through the mint circular graphic.","membership":"Include only the visible line stroke; exclude the background, circular graphic, and nearby dots.","id":"obj_001","temporal":{"status":"found","start_s":0.75,"end_s":1.25,"reference_s":1.0,"evidence":"目标是橙色背景上从左上斜贯右下、穿过薄荷绿圆形的奶油色细线，不包括圆形和圆点。首次完整呈现为0.75秒，最后符合条件的是1.00秒；此前0.50秒细线仅展开到画面中部，尚未完整呈现，之后1.25秒仅在右下角留下局部线段，已开始退出。选择1.00秒作关键帧，细线贯穿画面且与圆形的关系清楚。","start_frame":18,"end_frame":30,"reference_frame":24},"grounding":{"status":"found","bbox_xyxy":[0,4.2,1000,997.2],"positive_points":[[78.125,82.99],[234.375,237.83],[390.625,392.68],[570.313,570.76],[742.188,741.11],[914.063,911.46]],"negative_points":[[480,280],[535,685],[175,670],[805,230]],"evidence":"目标是从左上斜贯至右下、穿过薄荷绿色圆形的奶油色细线。包围框紧贴整条可见线段的范围；六个正点沿线分散布置，四个负点位于远离线条的橙色背景和绿色圆形内部。"}},{"name":"Mint circular graphic","description":"The large central mint disk is revealed in sections, becomes a semicircle and a disk with a missing sector, then shrinks.","membership":"Include the mint filled shape and its boundary as it changes. Exclude missing sectors, the crossing line, and separate dots.","id":"obj_002","temporal":{"status":"found","start_s":1.0,"end_s":3.75,"reference_s":3.25,"evidence":"目标是中央的薄荷绿填充圆形，不含穿过它的细线及独立圆点。1.00秒首次完整呈现；此前0.75秒仍在分段揭示。随后变成半圆、缺扇区圆形并恢复为圆盘，3.50秒缩小时仍为完整圆形，是最后合格帧；3.75秒已替换为小方块。选择3.25秒作为关键帧，此时圆盘边界清楚且无遮挡。","start_frame":24,"end_frame":90,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[314,168,686,831],"positive_points":[[492,249],[399,361],[376,563],[471,737],[600,659],[624,407]],"negative_points":[[238,458],[761,526],[507,89],[519,915]],"evidence":"目标是橙红背景中央的薄荷绿色实心圆盘，当前完整可见。边界框紧贴圆盘的上下左右边缘；六个正点分散覆盖圆盘内部不同部位，四个负点位于圆盘外围且远离边缘的橙红背景上。"}},{"name":"Large cream traveling circle","description":"The largest cream circle in the first group of moving dots appears below the diagonal line and travels toward the right edge.","membership":"Include the filled circular disk and its boundary only.","id":"obj_003","temporal":{"status":"found","start_s":1.5,"end_s":2.5,"reference_s":2.0,"evidence":"目标是首组移动圆点中最大的奶油色实心圆，位于斜线下方并持续向右移动。1.50秒首次完整可见，前一帧1.25秒尚未出现；2.25秒仍完整显示在右边缘内，是最后合格帧，2.50秒已不再完整可见。选择2.00秒作为关键帧，圆盘边界清晰、无遮挡，且与其他圆点容易区分。","start_frame":36,"end_frame":60,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[766.4,472.2,832.0,586.1],"positive_points":[[798,527],[782,513],[807,495],[817,535],[794,562],[777,539]],"negative_points":[[901,555],[551,590],[847,684],[739,497]],"evidence":"目标是斜线下方、画面右侧最大的奶油色实心圆。边界框紧贴该圆盘及其边缘；六个正点分散在圆盘内部，四个负点位于另外两个较小奶油色圆、下方深色圆及左侧红色背景上。"}},{"name":"Medium cream traveling circle","description":"A cream circle smaller than the largest cream disk travels to its right in the opening orange scene.","membership":"Include this filled disk and its boundary; exclude neighboring circles.","id":"obj_004","temporal":{"status":"found","start_s":1.5,"end_s":2.25,"reference_s":1.75,"evidence":"目标是开场橙色背景中位于较大奶油色圆盘右侧、随之向右移动的较小奶油色实心圆。首个完整呈现帧为1.50秒，前一帧1.25秒尚未出现；最后合格帧为2.00秒，随后2.25秒圆盘已在画面右边界被裁切。选择1.75秒作为关键帧，此时圆形边界完整，与邻近圆盘分离清楚。","start_frame":36,"end_frame":54,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[781.3,480.6,814.8,538.9],"positive_points":[[796.9,493.1],[789.1,506.9],[796.9,513.9],[806.3,504.2],[793.0,526.4],[804.7,523.6]],"negative_points":[[634.4,636.1],[734.4,550.0],[713.3,683.3],[835.9,458.3]],"evidence":"目标是较大奶油色圆盘右上方的较小奶油色实心圆。边界框紧贴该圆盘的完整可见边缘，六个正点分布在圆内不同部位；负点位于其他奶油色、蓝色和深色圆盘以及外部橙色背景上。"}},{"name":"Large dark traveling circle","description":"The large charcoal-brown disk initially below the cream circles moves toward the right edge.","membership":"Include this dark disk and its boundary only.","id":"obj_005","temporal":{"status":"found","start_s":1.5,"end_s":2.25,"reference_s":1.75,"evidence":"目标是橙红背景中最初位于奶油色圆下方、随后向右移动的较大炭褐色圆盘。首个完整可见帧为1.50秒，前一帧1.25秒尚无该圆盘；最后完整可见帧为2.00秒，下一帧2.25秒圆盘已在右侧出画并被边界裁切。选择1.75秒作为关键帧，圆盘轮廓清晰、无遮挡，且易与其他小圆区分。","start_frame":36,"end_frame":54,"reference_frame":42},"grounding":{"status":"found","bbox_xyxy":[681.3,626.4,745.3,740.3],"positive_points":[[709.4,648.6],[694.5,669.4],[728.9,670.8],[703.1,706.9],[725,713.9],[714.1,683.3]],"negative_points":[[634.4,636.1],[535.9,675],[769.5,708.3],[734.4,550]],"evidence":"目标是图中偏右下、奶油色圆右下方的大炭褐色实心圆盘。边界框紧贴圆盘及其边缘；六个正点分布于圆盘内部各部位，四个负点分别位于旁边的奶油色圆、小深色圆、小蓝圆及右侧红色背景上。"}},{"name":"Large blue traveling circle","description":"The largest dark blue disk in the opening dot sequence becomes fully visible below the mint semicircle.","membership":"Include the blue filled disk and its boundary; exclude the mint shape and other dots.","id":"obj_006","temporal":{"status":"found","start_s":1.75,"end_s":2.5,"reference_s":2.0,"evidence":"目标是开场圆点序列中、薄荷色半圆下方最大的深蓝色实心圆盘。首个完整可见帧为1.75秒，最后合格帧为2.25秒；此前1.50秒仅露出部分圆盘，此后2.50秒圆盘移动到画面上缘并被裁切。选择2.00秒作为关键帧，此时圆盘边界清晰、无遮挡，且容易与其他小圆点区分。","start_frame":42,"end_frame":60,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[520.3,718.1,588.3,833.3],"positive_points":[[543,747],[564,744],[574,769],[564,809],[540,802],[533,774]],"negative_points":[[481,389],[646,547],[665,668],[621,798]],"evidence":"目标是薄荷色半圆下方、靠近画面下部的最大深蓝色实心圆。边界框紧贴该圆的可见边缘；六个正点分布于蓝色圆盘内部，四个负点分别位于薄荷色形状、较小蓝点、黑点及圆外红色背景上。"}},{"name":"Medium blue traveling circle","description":"A medium dark blue circle travels above and to the right of the large blue disk in the first dot sequence.","membership":"Include this circular disk and its boundary only.","id":"obj_007","temporal":{"status":"found","start_s":1.75,"end_s":2.5,"reference_s":2.0,"evidence":"目标是第一段圆点动画中位于大蓝圆右上方、随圆点群向右移动的中等深蓝圆。首个完整可见帧为1.75秒，最后合格帧为2.25秒；此前1.50秒尚未完整显露，此后2.50秒圆点群已移向画面外，目标不再完整可见。选择2.00秒为关键帧，圆形边界清晰，与大蓝圆及其他小圆分离。","start_frame":42,"end_frame":60,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[629.7,518.1,663.3,576.4],"positive_points":[[646.1,530.6],[637.5,538.9],[653.9,538.9],[637.5,555.6],[647.7,561.1],[655.5,554.2]],"negative_points":[[553.9,775],[666.4,668.1],[858.6,415.3],[689.1,540.3]],"evidence":"目标是大蓝色圆盘右上方的中等深蓝色圆，位于小黑圆上方。边界框紧贴该圆盘及其边界；六个正点分布在圆盘内部不同部位，四个负点分别位于大蓝圆、小黑圆、远处小蓝圆及右侧红色背景上。"}},{"name":"Small cream traveling dot","description":"A tiny cream dot appears below the diagonal line, initially above the large blue traveling disk.","membership":"Include only this small cream disk.","id":"obj_008","temporal":{"status":"found","start_s":2.0,"end_s":2.75,"reference_s":2.0,"evidence":"目标是斜线下方、起初位于大蓝色移动圆盘上方的微小奶油色圆点，不包括较大的奶油色圆盘。首个完整可见帧为2.00秒；2.25秒它移至右下方，2.50秒随画面运动移至上方，虽有运动模糊但仍完整位于画内，是最后合格帧。此前1.75秒尚未见该小圆点，之后2.75秒已消失。选择2.00秒作为关键帧，圆形清楚且与其他圆盘易于区分。","start_frame":48,"end_frame":66,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[542.2,575.0,560.9,606.9],"positive_points":[[550.0,583.3],[555.5,586.1],[546.9,590.3],[551.6,591.7],[550.0,600.0],[556.3,595.8]],"negative_points":[[554.7,775.0],[798.4,529.2],[900.8,555.6],[589.1,611.1]],"evidence":"目标是斜线下方、较大蓝色圆盘正上方的微小奶油色圆点。边界框紧贴该圆点的可见范围；六个正点分布在其内部，负点位于下方蓝色圆盘、右侧其他奶油色圆盘及外部红色背景上。"}},{"name":"Medium dark traveling circle","description":"A smaller charcoal-brown disk travels between the large blue and large dark disks in the opening orange scene.","membership":"Include this filled circular shape and its boundary only.","id":"obj_009","temporal":{"status":"found","start_s":1.75,"end_s":2.5,"reference_s":2.0,"evidence":"目标是橙色背景中位��较大蓝色圆盘与较大深色圆盘之间的中等大小炭棕色实心圆，不是最小的深色圆点。首个完整可见帧为1.75秒，最后为2.25秒；前一帧1.50秒尚未见该圆完整出现，后一帧2.50秒该圆已不可见。选择2.00秒作为关键帧，此时圆形边界清楚，与其他圆盘分离，便于辨认。","start_frame":42,"end_frame":60,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[650,638.9,683.6,697.2],"positive_points":[[660.2,651.4],[670.3,655.6],[677.3,666.7],[670.3,683.3],[659.4,681.9],[654.7,669.4]],"negative_points":[[554.7,773.6],[846.1,684.7],[645.3,547.2],[708.6,662.5]],"evidence":"目标是橙色背景中、位于左下大蓝圆与右侧大深色圆之间的小炭棕色实心圆。边界框紧贴其可见圆形边界；六个正点分布在圆内不同部位，负点位于其他蓝色或深色圆及右侧橙色背景上。"}},{"name":"Small blue traveling dot","description":"A tiny blue dot travels above the large cream circle near the right side of the opening scene.","membership":"Include only this blue dot and its boundary.","id":"obj_010","temporal":{"status":"found","start_s":1.75,"end_s":2.5,"reference_s":2.0,"evidence":"目标是开场右侧大奶油色圆上方、向右移动的微小蓝点。1.75秒首次完整显露，2.25秒仍完整位于画面右缘内；前一帧1.50秒蓝点被斜向边界部分遮住，尚未完成显露，后一帧2.50秒已随转场运动被画面上缘裁切。选择2.00秒，蓝点轮廓清晰，与下方奶油色大圆容易区分。","start_frame":42,"end_frame":60,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[849.2,400,868,431.9],"positive_points":[[858.6,414.8],[854.7,411.1],[858.6,405.6],[863.3,412.5],[861.7,422.2],[855.5,422.2]],"negative_points":[[799,527],[646,547],[833,412],[887,441]],"evidence":"目标是右侧大奶油色圆上方的微小蓝点。边界框紧贴该蓝点及其可见边缘；六个正点分布在蓝点内部，负点位于奶油色圆、另一蓝圆及周围红色背景上。"}},{"name":"Mint square and branching strip","description":"A small mint square appears right of center, then extends into a tiled, right-angled branching strip before expanding into the next scene.","membership":"Include the connected mint square and strip surfaces, including their faint tile seams. Follow the stepped outline and exclude spaces between branches and the surrounding background.","id":"obj_011","temporal":{"status":"found","start_s":3.75,"end_s":5.5,"reference_s":5.0,"evidence":"目标是由右侧小薄荷绿方块连续延展形成的连通直角分枝带，表面可见淡淡的方砖接缝。首个合格帧为3.75秒，前一帧3.50秒仍是缩小中的圆形；最后合格帧为5.25秒，下一帧5.50秒条带已向左右扩展并被画面边界截断。选择5.00秒作为关键帧，分枝的阶梯轮廓清楚、完整且无遮挡。","start_frame":90,"end_frame":132,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[438.3,222.2,812.5,890.3],"positive_points":[[461,833],[590,815],[592,644],[526,496],[692,501],[782,294]],"negative_points":[[340,650],[610,130],[885,460],[560,947]],"evidence":"目标是橙红背景上连通的薄荷绿色直角分支条带，可见淡淡的方块接缝。边界框紧贴其左下端、右侧竖条顶端及整体外缘；六个正点分布在底部横条、中间竖条、上部横条和右上竖条表面，四个负点均位于整体外围的橙红背景。"}},{"name":"Large blue circle on mint","description":"The largest blue disk in the mint-background circle sequence appears above and left of center, then moves left as a giant dark disk enters.","membership":"Include this blue disk and its boundary only.","id":"obj_012","temporal":{"status":"found","start_s":6.5,"end_s":8.5,"reference_s":7.0,"evidence":"目标是薄荷绿背景中位于中心左上方的最大蓝色圆盘；巨型深色圆盘进入后，它向左移动。首个合格帧为6.50秒，此时圆盘及边界已完整呈现，前一帧6.25秒只有背景。最后合格帧为8.25秒；8.50秒该蓝色圆盘移动至画面底部并被边界裁切，因此区间结束于8.50秒。选择7.00秒作为关键帧，圆形清晰完整、无遮挡，且容易与其他较小圆点区分。","start_frame":156,"end_frame":204,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[352.3,206.9,479.7,433.3],"positive_points":[[378,292],[417,246],[451,293],[452,367],[415,400],[374,364]],"negative_points":[[503,717],[646,476],[252,479],[508,319]],"evidence":"目标是薄荷绿背景中位于画面中心偏左上方的最大深蓝色实心圆。边界框紧贴该圆的可见外缘；六个正点分布在圆内不同部位，四个负点位于其他较小蓝圆、左侧浅色圆及目标右侧的背景上。"}},{"name":"Medium cream circle on mint","description":"A cream disk appears above and to the right of the largest blue circle near the upper center.","membership":"Include this cream disk and its boundary only.","id":"obj_013","temporal":{"status":"found","start_s":6.5,"end_s":7.75,"reference_s":7.0,"evidence":"目标是薄荷绿背景上、最大蓝色圆盘右上方的中等奶油色圆盘，仅包含该圆盘及边界。首个合格帧为6.50秒，6.25秒背景仍为空；最后合格帧为7.50秒，圆盘仍完整可见，7.75秒已不再可见。选择7.00秒作为关键帧，此时圆盘轮廓清晰、无遮挡，且与邻近蓝色圆盘的位置关系明确。","start_frame":156,"end_frame":186,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[544.5,165.3,575.8,220.8],"positive_points":[[554.7,176.4],[566.4,180.6],[570.3,195.8],[560.2,208.3],[550,201.4],[550.8,187.5]],"negative_points":[[615.6,101.4],[416.4,319.4],[592.2,193.1],[469.5,450]],"evidence":"目标是上方中央、最大蓝色圆右上方的中等奶油色实心圆。边界框紧贴该圆的可见边界；六个正点分布在圆内不同部位，四个负点分别位于上方红圆、最大蓝圆、右侧薄荷色背景及下方另一枚小奶油色圆上。"}},{"name":"Small cream dot beside large blue circle","description":"A tiny cream dot initially sits just below and to the right of the largest blue disk on mint.","membership":"Include only this cream dot and its boundary.","id":"obj_014","temporal":{"status":"found","start_s":6.5,"end_s":8.5,"reference_s":7.0,"evidence":"目标是薄荷绿背景上最大蓝色圆盘右下方的微小奶油色圆点，不包括更大的浅色圆。首个完整呈现帧为6.50秒，之前6.25秒仍是空白背景；随后可连续追踪该点随图形移动，最后合格帧为8.25秒，8.50秒已不再可见。选择7.00秒作为关键帧，圆点边界清楚、无遮挡，且与大蓝圆的位置关系明确。","start_frame":156,"end_frame":204,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[460.9,436.1,477.3,465.3],"positive_points":[[467.2,441.7],[472.7,444.4],[464.8,450.0],[472.7,452.8],[468.0,458.3],[469.5,450.0]],"negative_points":[[489.8,456.9],[457.8,488.9],[440.6,380.6],[558.6,193.1]],"evidence":"目标是最大深蓝圆盘右下方紧邻的微小奶油色实心圆点。边界框紧贴该圆点的可见边缘；六个正点分布在其内部，负点位于外围薄荷色背景、大蓝圆盘及上方另一奶油色圆点上。"}},{"name":"Medium blue circle on mint","description":"A blue disk about half the diameter of the largest blue disk appears near the lower center and later moves left.","membership":"Include this filled blue circle and its boundary only.","id":"obj_015","temporal":{"status":"found","start_s":6.5,"end_s":8.5,"reference_s":7.0,"evidence":"目标是薄荷绿背景上起初位于下方中央、直径约为最大蓝圆一半的实心蓝圆，随后向左移动。6.50秒首次完整出现，前一帧6.25秒只有背景；8.25秒仍完整可见于左下方，8.50秒已不再可见（底边露出的较大蓝圆不是目标）。7.00秒目标边界清晰、无遮挡，且容易与其他大小的圆区分，故选为关键帧。","start_frame":156,"end_frame":204,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[471.9,661.1,534.4,772.2],"positive_points":[[489.1,693.1],[509.4,681.9],[523.4,708.3],[510.9,745.8],[488.3,744.4],[494.5,715.3]],"negative_points":[[452.3,713.9],[552.3,750],[416.4,319.4],[646.1,476.4]],"evidence":"目标是画面下方中央的中等蓝色实心圆，直径约为上方最大蓝圆的一半。边界框紧贴该圆的可见边缘；六个正点分布在圆内不同部位，负点位于圆外薄荷色背景及另外两个蓝圆上。"}},{"name":"Upper-left orange circle","description":"The largest orange disk in the mint-background dot arrangement appears in the upper-left portion of the scene.","membership":"Include this orange disk and its boundary only.","id":"obj_016","temporal":{"status":"found","start_s":7.0,"end_s":8.75,"reference_s":7.25,"evidence":"目标是薄荷绿背景圆点阵列左上方最大的橙色圆盘。7.00秒首次完整出现，随后移动、缩小，至8.50秒仍在左下方完整可见；前一帧6.75秒尚无该圆盘，后一帧8.75秒已消失。选择7.25秒作为关键帧，此时圆盘边界清晰、无遮挡，易与其他小橙色圆点区分。","start_frame":168,"end_frame":210,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[226.6,79.2,293,195.8],"positive_points":[[246.1,108.3],[271.9,109.7],[238.3,140.3],[260.9,138.9],[274.2,165.3],[251.6,173.6]],"negative_points":[[210.9,125],[312.5,138.9],[252.3,479.2],[414.1,320.8]],"evidence":"目标是画面左上方最大的橙色实心圆。边界框紧贴该圆的可见外缘；六个正点分散在橙色圆盘内部，四个负点位于左右外部的薄荷绿背景、下方浅黄色圆及右下方深蓝色大圆上。"}},{"name":"Upper orange dot","description":"A tiny orange disk appears above and to the right of the upper cream circle.","membership":"Include only this orange dot and its boundary.","id":"obj_017","temporal":{"status":"found","start_s":7.0,"end_s":8.0,"reference_s":7.25,"evidence":"目标是薄荷绿背景上、上方奶油色圆点右上侧的微小橙色圆盘。7.00秒首次完整出现，6.75秒该位置尚无此点；随后随圆点群移动，7.75秒仍完整位于画面上缘内，8.00秒已离开画面。选7.25秒作为关键帧，目标边界清楚、无遮挡，且与奶油色圆点的位置关系明确。","start_frame":168,"end_frame":192,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[607.8,86.1,623.4,116.7],"positive_points":[[615.6,100],[612.5,94.4],[618.8,95.8],[611.7,104.2],[618,108.3],[615.6,111.1]],"negative_points":[[560.2,193.1],[593.8,101.4],[259.4,137.5],[637.5,131.9]],"evidence":"目标是上方奶油色圆右上方的微小橙色实心圆。边界框紧贴该圆及其边缘，六个正点分布在橙色圆内部；负点位于附近绿色背景、下方奶油色圆和左侧另一个橙色圆上，均远离目标边缘。"}},{"name":"Large cream circle on mint","description":"The largest cream disk in the mint-background arrangement appears left of the largest blue disk, around mid-height.","membership":"Include this cream disk and its boundary only.","id":"obj_018","temporal":{"status":"found","start_s":6.75,"end_s":8.5,"reference_s":7.0,"evidence":"目标是薄荷绿背景上、最大蓝色圆盘左侧的最大奶油色圆盘，仅包含圆盘及其边界。6.75秒首次完整出现，6.50秒尚无该圆盘；随后随圆盘群移动，8.25秒仍完整可见，8.50秒已移出画面，因此最后合格帧为8.25秒。选择7.00秒作为关键帧，目标轮廓清晰、无遮挡，且易与较小奶油色圆点区分。","start_frame":162,"end_frame":204,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[219.5,422.2,285.2,536.1],"positive_points":[[246.1,438.9],[267.2,452.8],[275.8,486.1],[260.2,513.9],[236.7,509.7],[229.7,473.6]],"negative_points":[[200,472.2],[304.7,486.1],[400,319.4],[559.4,193.1]],"evidence":"目标是最大蓝色圆盘左下方、画面中部偏左的最大奶油色实心圆。边界框紧贴该圆盘的可见外缘；六个正点分布于圆盘内部不同部位，四个负点位于左右外部薄荷色背景、最大蓝色圆盘及上方另一枚奶油色小圆内。"}},{"name":"Right-middle blue circle","description":"A small blue disk appears to the right of the largest blue circle, above the lower-center blue disk.","membership":"Include this blue disk and its boundary only.","id":"obj_019","temporal":{"status":"found","start_s":6.75,"end_s":7.5,"reference_s":7.0,"evidence":"目标是最大蓝色圆右侧、下方中央蓝色圆上方的小蓝色圆盘。6.50秒尚未出现，6.75秒首次完整可见，至7.25秒仍完整呈现；7.50秒被从右侧扩展的深色大圆遮盖，结束此次出现。选择7.00秒作为关键帧，圆盘边界清晰且无遮挡，与其他圆的位置关系明确。","start_frame":162,"end_frame":180,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[630.5,447.2,661.7,504.2],"positive_points":[[639.1,462.5],[648.4,458.3],[655.5,473.6],[650,488.9],[639.1,487.5],[643.8,475]],"negative_points":[[614.8,475],[675,476.4],[416.4,319.4],[503.1,716.7]],"evidence":"目标是最大蓝圆右侧、下方中央蓝圆上方的小蓝色实心圆。边界框紧贴该圆的可见外缘；六个正点分布于圆内不同部位，负点位于左右外部背景及另外两个蓝圆上。"}},{"name":"Left-middle orange dot","description":"A tiny orange disk appears below and to the right of the large cream disk.","membership":"Include only this orange dot and its boundary.","id":"obj_020","temporal":{"status":"found","start_s":6.75,"end_s":8.25,"reference_s":7.0,"evidence":"目标是大奶油色圆盘右下方的微小橙色圆点。6.75秒首次完整出现，随后向左移动，8.00秒仍完整可见；此前6.50秒尚无该点，之后8.25秒已不再可见。选择7.00秒作为关键帧，此时圆点边界清晰，与奶油色圆盘及其他圆点的位置关系明确。","start_frame":162,"end_frame":198,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[346.1,625,363.3,655.6],"positive_points":[[352.3,634.7],[357.8,633.3],[359.4,641.7],[355.5,648.6],[350,643.1],[353.9,640.3]],"negative_points":[[332,638.9],[373.4,666.7],[252.3,479.2],[503.1,716.7]],"evidence":"目标是大奶油色圆盘右下方的微小橙色圆点。边界框紧贴该圆点及其边缘；六个正点分布于圆点内部，四个负点位于附近绿色背景、大奶油色圆盘和下方深蓝色圆盘上。"}},{"name":"Lower-left blue dot","description":"A tiny blue disk appears well to the left of the lower-center blue circle.","membership":"Include only this blue dot and its boundary.","id":"obj_021","temporal":{"status":"found","start_s":6.75,"end_s":8.0,"reference_s":7.0,"evidence":"目标是薄荷绿色背景上、下方中央蓝色圆左侧远处的微小蓝色圆点。6.75秒首次完整出现，6.50秒尚无此点；持续可见至7.75秒，8.00秒向左下方移动时已被左边界裁切，因此结束于8.00秒。选择7.00秒作为关键帧，此时圆点边界清楚，与其他圆形分离且无遮挡。","start_frame":162,"end_frame":192,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[149.2,673.6,167.2,704.2],"positive_points":[[154.7,681.9],[160.2,680.6],[162.5,688.9],[158.6,697.2],[153.9,694.4],[157.8,687.5]],"negative_points":[[140.6,687.5],[175.8,687.5],[157.8,652.8],[503.1,716.7]],"evidence":"目标是图像左下方、下部中央蓝色圆左侧的微小蓝色实心圆点。边界框紧贴该圆点及其边缘；六个正点分布在圆点内部，负点位于周围绿色背景及另一个较大的蓝色圆内。"}},{"name":"Lower-right cream dot","description":"A tiny cream disk appears to the right of the lower-center blue circle and left of the orange circle on the right.","membership":"Include only this cream dot and its boundary.","id":"obj_022","temporal":{"status":"found","start_s":7.0,"end_s":8.5,"reference_s":7.0,"evidence":"目标是下方蓝色圆右侧、右边橙色圆左侧的微小奶油色圆点。7.00秒首次完整出现，6.75秒该位置尚无此点；随后短暂被大黑圆遮挡，再随圆点群向左移动，8.25秒仍完整可见，8.50秒已随运动离开画面。选择7.00秒作关键帧，此时边界清晰、无遮挡，且与描述中的相邻圆关系明确。","start_frame":168,"end_frame":204,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[656.25,668.06,672.66,695.83],"positive_points":[[661.72,676.39],[667.19,675],[668.75,683.33],[664.84,690.28],[660.16,684.72],[664.06,681.94]],"negative_points":[[503.13,716.67],[792.19,647.22],[640.63,680.56],[687.5,712.5]],"evidence":"目标是下方蓝色圆右侧、右边橙色圆左侧的微小奶油色实心圆点。边界框紧贴该圆点及其边缘；六个正点分布在圆点内部，四个负点位于邻近蓝圆、橙圆以及圆点外侧的绿色背景上。"}},{"name":"Right orange circle","description":"A small orange disk appears on the right side of the mint-background circle arrangement, above a much smaller orange dot.","membership":"Include this orange disk and its boundary only.","id":"obj_023","temporal":{"status":"found","start_s":7.0,"end_s":7.5,"reference_s":7.0,"evidence":"目标是薄荷绿背景圆点组合右侧的橙色圆盘，其正下方有一个更小的橙色点。7.00秒首次完整出现，7.25秒仍完整可见；此前6.75秒该处尚无圆盘，仅有下方小点。7.50秒大型深色圆形扫入并遮去目标，结束这次连续展示。选择7.00秒作为关键帧，圆盘边界清晰且无遮挡，容易与下方小点区分。","start_frame":168,"end_frame":180,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[777.3,619.4,807.8,675],"positive_points":[[787,636],[796,636],[783,648],[794,650],[788,665],[799,658]],"negative_points":[[794.5,876.4],[664.8,681.9],[755,646],[819,700]],"evidence":"目标是画面右侧、较小橙色点上方的橙色实心圆。边界框紧贴该圆盘及其边缘；六个正点分散在圆盘内部，负点位于下方小橙点、左侧浅色圆点及圆盘外的薄荷色背景上。"}},{"name":"Bottom-right orange dot","description":"A tiny orange disk appears beneath the small orange circle on the right.","membership":"Include only this orange dot and its boundary.","id":"obj_024","temporal":{"status":"found","start_s":6.75,"end_s":7.5,"reference_s":7.0,"evidence":"目标是薄荷绿背景右下方、右侧小橙色圆下方的微小橙色实心圆点。6.75秒首次完整出现，至7.25秒仍清晰可见；前一帧6.50秒尚无该圆点，后一帧7.50秒大型深色圆形遮住其所在区域，目标不再可见。选择7.00秒作为关键帧，圆点边界清楚，且与上方小橙色圆的位置关系明确。","start_frame":162,"end_frame":180,"reference_frame":168},"grounding":{"status":"found","bbox_xyxy":[786.72,862.5,802.34,890.28],"positive_points":[[792,870.8],[796.9,872.2],[790.6,876.4],[795.3,877.8],[792.2,883.3],[798.4,880.6]],"negative_points":[[792.2,647.2],[771,875],[815,885],[793,916]],"evidence":"目标是右下方、右侧较大橙色圆下方的微小橙色实心圆点。边界框紧贴该圆点及其边缘；六个正点分布在圆点内部，负点位于周围绿色背景及上方另一个橙色圆内。"}},{"name":"Far-right blue dot","description":"A tiny blue disk appears farther right than the other blue disks, between the two right-side orange disks in height.","membership":"Include only this blue dot and its boundary.","id":"obj_025","temporal":{"status":"found","start_s":7.25,"end_s":7.5,"reference_s":7.25,"evidence":"目标是最右侧的微小蓝色圆点，高度位于右侧两个橙色圆点之间。首个及最后一个符合条件的采样帧均为7.25秒，此时圆点边界完整清晰；前一帧7.00秒尚未出现，后一帧7.50秒其所在区域已被扩张的深色圆形遮罩覆盖。选择7.25秒作为关键帧，因为目标完整可见且易于与其他蓝点区分。","start_frame":174,"end_frame":180,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[876.6,758.3,891.4,786.1],"positive_points":[[881.3,766.7],[885.9,763.9],[888.3,770.8],[885.9,779.2],[880.5,777.8],[879.7,770.8]],"negative_points":[[862.5,769.4],[908.6,773.6],[792.2,647.2],[794.5,876.4]],"evidence":"目标是图像最右侧的微小蓝色实心圆，高度介于右侧两个橙色圆之间。紧致框覆盖该蓝点及其边界；六个正点分布在蓝点内部，负点位于左右外部绿色背景及右侧两个橙色圆上。"}},{"name":"Bottom-left orange dot","description":"A tiny orange disk appears near the lower edge, below the large cream circle.","membership":"Include only this orange dot and its boundary.","id":"obj_026","temporal":{"status":"found","start_s":7.25,"end_s":8.25,"reference_s":7.25,"evidence":"目标是大奶油色圆下方、靠近画面下缘的微小橙色圆点。7.25秒首次完整出现，随后向左移动，至8.00秒仍完整可见；7.00秒该位置尚无此点，8.25秒它已移出画面。选择7.25秒作为关键帧，此时圆点边界清楚、无遮挡，且容易与其他橙色圆点区分。","start_frame":174,"end_frame":198,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[276.6,905.6,293.8,934.7],"positive_points":[[282.0,913.9],[288.3,913.9],[279.7,920.8],[285.2,923.6],[289.8,922.2],[284.4,929.2]],"negative_points":[[265.6,902.8],[304.7,916.7],[285.9,958.3],[354.7,640.3]],"evidence":"目标是图像左下方、较大奶油色圆下方且靠近底边的小橙色实心圆。边界框紧贴该圆及其边缘；六个正点分布在圆内，负点位于周围绿色背景和上方另一个橙色圆上。"}},{"name":"Bottom blue dot","description":"A tiny blue disk appears near the lower edge, right of the lower-center blue circle.","membership":"Include only this blue dot and its boundary.","id":"obj_027","temporal":{"status":"found","start_s":7.25,"end_s":7.5,"reference_s":7.25,"evidence":"目标是浅绿色背景下、下方较大蓝圆右下侧且靠近画面底边的微小蓝色圆点。7.25秒为首次及最后一次明确完整呈现；前一帧7.00秒该位置尚无蓝点，后一帧7.50秒该区域被进入画面的大型深色圆形遮盖，目标不再可见。选择7.25秒作为关键帧，圆点边界完整且易与其他圆点区分。","start_frame":174,"end_frame":180,"reference_frame":174},"grounding":{"status":"found","bbox_xyxy":[591.4,912.5,607,941.7],"positive_points":[[596.1,919.4],[601.6,920.8],[594.5,927.8],[599.2,926.4],[602.3,931.9],[596.9,934.7]],"negative_points":[[574.2,923.6],[623.4,927.8],[502.3,719.4],[794.5,875]],"evidence":"目标是靠近图像下边缘、位于下方中部较大蓝圆右下方的微小蓝色实心圆。边界框紧贴该蓝点及其边界；六个正点分布在蓝点内部，四个负点位于左右外部背景、较大蓝圆和右下红点上。"}},{"name":"Giant dark disk","description":"An oversized charcoal-brown circular shape enters from the right, displaces the colored circles, and moves across the upper part of the mint scene.","membership":"Include the visible filled portion of the dark disk and its curved boundary; exclude the mint background and smaller circles.","id":"obj_028","temporal":{"status":"found","start_s":7.5,"end_s":9.0,"reference_s":7.75,"evidence":"目标是薄荷色背景上从右侧出现、挤开小彩色圆点的巨型炭棕色圆盘，其超大尺寸形成有意裁切的构图。首个 qualifying 帧为7.50秒，虽有运动模糊但填充和圆弧已建立；最后为8.75秒，仍可见上方深色填充及弧形边界。前一帧7.25秒只有小圆点；后一帧9.00秒圆盘已变形成斜向带状结构，不再保留圆盘形态。选择7.75秒，圆弧清晰，且与背景和小圆点容易区分。","start_frame":180,"end_frame":216,"reference_frame":186},"grounding":{"status":"found","bbox_xyxy":[404,0,1000,1000],"positive_points":[[860,130],[712,291],[554,522],[443,886],[737,877],[936,614]],"negative_points":[[348,320],[253,477],[377,795],[521,148]],"evidence":"目标是从右侧进入、带弧形左边界的巨大炭褐色实心圆盘。边界框紧贴其可见部分，延伸至图像上、右、下边缘。六个正点分布在圆盘内部不同区域；负点位于左侧薄荷色背景及较小的蓝色、浅色圆形上。"}},{"name":"Letter G","description":"A dark uppercase “G” stands on a thin dark line in the mint scene and tilts with it.","membership":"Include the letter strokes only. Exclude its interior opening, the supporting line, and motion trails.","id":"obj_029","temporal":{"status":"found","start_s":9.25,"end_s":9.75,"reference_s":9.25,"evidence":"目标是薄荷色背景中立于细深色线上的深色大写 G，仅计字母笔画。首个合格帧为 9.25 秒，末个为 9.50 秒，此时 G 随线倾斜但结构仍完整。前一帧 9.00 秒未见完整 G；后一帧 9.75 秒只剩竖线，G 已消失。选择 9.25 秒为关键帧，字母清晰、无遮挡，易与支撑线区分。","start_frame":222,"end_frame":234,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[619.5,456.9,684.4,650],"positive_points":[[649.2,469.4],[627.3,508.3],[627.3,577.8],[638.3,630.6],[673.4,601.4],[664.8,563.9]],"negative_points":[[570.3,648.6],[720.3,552.8],[647.7,411.1],[650.8,709.7]],"evidence":"目标是薄荷绿色���景中立在细横线上的深色大写 G。紧框覆盖字母笔画的可见范围，不包括向两侧延伸的支撑线。六个正点分布在顶部弧线、左侧竖画、底部弧线及右侧笔画上；负点位于远离字母的支撑线和外围背景，未放入字母内部开口。"}},{"name":"Line supporting G","description":"A thin dark line runs beneath “G” and rotates diagonally with the letter.","membership":"Include only the open line stroke; exclude the letter and background.","id":"obj_030","temporal":{"status":"found","start_s":9.25,"end_s":10.0,"reference_s":9.25,"evidence":"目标是字母 G 下方的细深色开放线条，不含字母。首个合格帧为 9.25 秒；9.50 秒线条随 G 斜转，9.75 秒变为竖直线，仍保持完整线条结构，为最后合格帧。此前 9.00 秒仅见大块深色形状，尚无该细线；之后 10.00 秒已被三角形替代。选择 9.25 秒作为关键帧，因为线条清晰，且与 G 的支撑关系最明确。","start_frame":222,"end_frame":240,"reference_frame":222},"grounding":{"status":"found","bbox_xyxy":[0,647.2,807,652.8],"positive_points":[[53,649],[186,649],[346,649.5],[514,650],[598,650],[773,650]],"negative_points":[[627,551],[675,589],[362,599],[529,707]],"evidence":"目标是字母 G 下方的细暗色横线，从图像左边缘延伸至 G 右侧。边界框仅覆盖线条笔画，不包含字母；六个正点沿线条分散放置，负点位于 G 的笔画及横线上下的外部背景。"}},{"name":"Dark triangle","description":"A charcoal-brown triangle is initially oversized and tilted, then becomes a small upright triangle left of center.","membership":"Include the filled triangular shape and its boundary only.","id":"obj_031","temporal":{"status":"found","start_s":10.25,"end_s":11.0,"reference_s":10.5,"evidence":"目标是薄荷绿背景上、中心偏左的炭褐色实心正三角形。首个合格帧为10.25秒，最后为10.75秒；此前10.00秒的巨大倾斜三角形仍被画面边缘裁切，之后11.00秒已变成多个三角形组成的镂空排列，不再是单个完整三角形。选择10.50秒作为关键帧，目标轮廓清晰、无遮挡，且与其他颜色的三角形容易区分。","start_frame":246,"end_frame":264,"reference_frame":252},"grounding":{"status":"found","bbox_xyxy":[250,472.2,375,666.7],"positive_points":[[312.5,511.1],[285.2,587.5],[338.3,608.3],[265.6,647.2],[310.2,638.9],[356.3,647.2]],"negative_points":[[210.9,569.4],[398.4,625],[500,319.4],[750,819.4]],"evidence":"目标是画面中心偏左的小型正立炭褐色实心三角形，边界框紧贴其顶点与底边。六个正点分布在三角形顶部、中部及底部内部；负点位于两侧绿色背景、上方浅色倒三角形和右下红色三角形上。"}},{"name":"Orange triangle","description":"A small upright orange triangle appears in the lower-right portion of the mint scene.","membership":"Include this filled triangle and its boundary only.","id":"obj_032","temporal":{"status":"found","start_s":10.25,"end_s":11.5,"reference_s":10.75,"evidence":"目标是薄荷绿色背景右下方的小型橙色实心正三角形。首个合格帧为10.25秒，轮廓已完整，虽有缩放运动模糊仍符合要求；最后合格帧为11.25秒。此前10.00秒未见该橙色三角形，此后11.50秒已消失。选择10.75秒作为关键帧，此时目标边界清晰、无遮挡，且易于与其他颜色的三角形区分。","start_frame":246,"end_frame":276,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[687.5,694.44,812.5,888.89],"positive_points":[[750,733.33],[731.25,795.83],[766.41,802.78],[708.59,868.06],[751.56,858.33],[792.97,868.06]],"negative_points":[[843.75,486.11],[312.5,597.22],[664.06,805.56],[750,937.5]],"evidence":"目标是画面右下方的小型直立橙色实心三角形。边界框紧贴其顶点、左右底角及底边；六个正点分布在三角形上部、中部和底部内部，四个负点位于蓝色三角形、深色三角形及目标外侧的薄荷绿背景上。"}},{"name":"Large cream triangle","description":"A large downward-pointing cream triangle occupies the upper center of the triangle composition and remains after the other colored triangles leave.","membership":"Include this cream triangle and its boundary; exclude the separate triangle that later meets its tip.","id":"obj_033","temporal":{"status":"found","start_s":10.5,"end_s":11.75,"reference_s":10.75,"evidence":"目标为三角形组合上方中央、尖端朝下的大号奶油色三角形，不包括后来与其尖端相接的另一三角形。10.50秒首次完整出现，前一帧10.25秒尚未出现；11.50秒仍完整可见，11.75秒放大移动后上部被画面边缘裁切，故最后合格帧为11.50秒。选择10.75秒作为关键帧，目标边界清晰、无遮挡，且易与其他颜色的三角形区分。","start_frame":252,"end_frame":282,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[312.5,111.1,687.5,694.4],"positive_points":[[348.4,152.8],[642.2,152.8],[468.8,222.2],[410.2,361.1],[560.9,416.7],[500,613.9]],"negative_points":[[312.5,597.2],[843.8,500],[750,819.4],[500,777.8]],"evidence":"目标是图像上方中央、尖端向下的大型奶油色实心三角形。边界框紧贴其顶部横边、左右顶点和下方尖端；六个正点分布于三角形内部的上部、两侧及近尖端处。负点位于其他三个独立三角形和目标下方的绿色背景，均排除在目标之外。"}},{"name":"Blue triangle","description":"A medium-large downward-pointing blue triangle appears to the right of the central cream triangle.","membership":"Include this filled triangle and its boundary only.","id":"obj_034","temporal":{"status":"found","start_s":10.75,"end_s":11.5,"reference_s":10.75,"evidence":"目标是中央奶油色三角形右侧、中大型的蓝色实心倒三角。首次完整呈现于10.75秒，最后符合条件的帧为11.25秒；此前10.50秒尚未出现，此后11.50秒已消失。选择10.75秒作为关键帧，因为三角形轮廓清晰完整、无遮挡，且容易与其他颜色的三角形区分。","start_frame":258,"end_frame":276,"reference_frame":258},"grounding":{"status":"found","bbox_xyxy":[718.75,333.33,968.75,722.22],"positive_points":[[746.1,361.1],[941.4,361.1],[835.9,402.8],[796.9,500],[890.6,500],[843.75,659.7]],"negative_points":[[500,333.3],[750,805.6],[960.9,666.7],[703.1,486.1]],"evidence":"目标是中央奶油色三角形右侧的蓝色倒三角。边界框紧贴其水平顶边及底部尖角，覆盖完整填充形状和边界。六个正点分布在蓝色内部的上部、两侧及下部；四个负点位于奶油色三角形、红色三角形及外围绿色背景，均远离目标边缘。"}},{"name":"Dark triangular array","description":"Six upright charcoal triangles form a larger triangular arrangement on the left, with mint triangular gaps between them.","membership":"Include the six dark triangular tiles as one coherent array. Exclude the mint gaps and the neighboring cream triangle.","id":"obj_035","temporal":{"status":"found","start_s":11.0,"end_s":11.25,"reference_s":11.0,"evidence":"11.00秒左侧出现完整的六枚直立炭黑色三角形，组成带薄荷色三角间隙的大三角阵列；不包括旁边的奶油色三角形。首末 qualifying 帧均为11.00秒。前一帧10.75秒左侧仅有单个黑色三角形，后一帧11.25秒阵列已消失。选择11.00秒作为关键帧，因为六枚三角形完整清晰、无遮挡。","start_frame":264,"end_frame":270,"reference_frame":264},"grounding":{"status":"found","bbox_xyxy":[62.5,279.2,437.5,861.1],"positive_points":[[249.2,395.8],[185.9,597.2],[311.7,597.2],[124.2,793.1],[250,786.1],[376.6,795.8]],"negative_points":[[500,305.6],[78.1,444.4],[843.8,472.2],[750,819.4]],"evidence":"目标是左侧由六块深炭色正三角形组成的大三角阵列。边界框紧贴阵列的顶点、左右底角及底边；六个正点分别位于六块深色三角形内部。负点位于阵列外的薄荷色背景及独立的奶油色、蓝色、红色三角形上，内部薄荷色间隙不放置点。"}},{"name":"Flexing dark line","description":"A thin dark line crosses the meeting point of the cream triangles, bends upward and downward, then rotates to a vertical position beside the later “R”.","membership":"Include only the open dark stroke through its bending and rotation. Exclude triangles, letters, background, and motion trails.","id":"obj_037","temporal":{"status":"found","start_s":12.25,"end_s":14.75,"reference_s":13.25,"evidence":"目标是穿过奶油色三角形交点、随后上下弯曲并旋转到字母 R 旁的细暗色开放线条。12.00 秒仅从右侧绘出一小段，12.25 秒首次完整横贯画面；最后合格帧为 14.50 秒，仍可见 R 左侧的竖直细线。14.75 秒细线已消失，剩下的是 R 变形形成的粗笔画，不属于目标。选择 13.25 秒为关键帧，此时细线向下弯曲，轮廓清楚，无三角形、字母或明显运动拖影干扰。","start_frame":294,"end_frame":354,"reference_frame":318},"grounding":{"status":"found","bbox_xyxy":[0,498.6,1000,669.4],"positive_points":[[25,513.9],[200,593.1],[400,654.2],[550,662.5],[750,606.9],[975,513.9]],"negative_points":[[180,260],[780,290],[300,840],[850,820]],"evidence":"图中唯一的细暗色开放曲线横贯画面，中央向下弯曲，符合目标。边界框紧贴整条可见线段；六个正点沿左右两侧及中央弯曲处分布，四个负点位于远离线条的绿色背景。"}},{"name":"Letter R","description":"A dark uppercase “R” appears against the right side of the vertical line; its lower leg begins extending horizontally.","membership":"Include the letter's dark strokes and the connected extension while the R remains recognizable. Exclude the enclosed opening and adjacent thin vertical line.","id":"obj_038","temporal":{"status":"found","start_s":14.25,"end_s":14.75,"reference_s":14.25,"evidence":"目标是细竖线右侧的深色大写 R，包括其下腿相连的横向延伸，不包括字母内孔和细竖线。14.25 秒字母笔画已完整建立；最后符合条件的��� 14.50 秒，此时下腿向右延伸但 R 仍可辨认。前一帧 14.00 秒下部笔画尚在绘制，粗细未完整建立；后一帧 14.75 秒已变成弯折线条，不再呈 R 形。选择 14.25 秒作为关键帧，因为字形完整清晰、无遮挡。","start_frame":342,"end_frame":354,"reference_frame":342},"grounding":{"status":"found","bbox_xyxy":[308.6,279.2,420.3,605.6],"positive_points":[[320,347],[320,556],[355,300],[396,378],[373,524],[401,582]],"negative_points":[[273,417],[453,417],[367,222],[375,681]],"evidence":"目标是紧邻细竖线右侧的深色大写R。边界框紧贴字母笔画及右下方相连的短横向延伸，不包含上下延伸的细竖线。六个正点分布在竖笔、顶部、右侧弧笔、斜腿和末端；四个负点位于字母外围背景，避开字母内部开口。"}},{"name":"Bent dark stroke","description":"After the “R” leaves, a thick dark path with rounded ends stretches across the mint scene, bends at several corners, and retracts into a vertical bar.","membership":"Include the connected thick stroke only, following its bends and rounded ends. Exclude background and motion blur.","id":"obj_039","temporal":{"status":"found","start_s":14.75,"end_s":15.75,"reference_s":15.0,"evidence":"目标是 R 离开后、薄荷色背景上的连通粗深色折弯笔画。首个合格帧为14.75秒；14.50秒仍是带延伸尾部的 R。笔画随后弯折并收缩为竖条，15.50秒仍完整可见，上方独立小点不计入目标。15.75秒竖条向下离场并被画面底边裁切，因此最后合格帧为15.50秒。选择15.00秒作为关键帧，折弯结构及右端圆角清晰，便于区分目标与背景。","start_frame":354,"end_frame":378,"reference_frame":360},"grounding":{"status":"found","bbox_xyxy":[0,310,628,608],"positive_points":[[36,583],[164,580],[228,435],[290,333],[525,333],[614,534]],"negative_points":[[112,219],[440,175],[747,447],[364,801]],"evidence":"目标是薄荷绿色背景上唯一的连通粗深色折线，从左边缘水平伸入，向上弯折后向右延伸，末端向下并呈圆头。边界框紧贴完整可见笔画；六个正点分布在左侧横段、弯曲段、上方横段及右侧竖段，四个负点位于笔画整体外围的绿色背景。"}},{"name":"First rounded-square node","description":"A small charcoal rounded square remains above the retracting vertical bar, then becomes the right-hand endpoint of the first cream connector and a node in the growing network.","membership":"Include this rounded square's filled surface and boundary. Exclude connecting lines and other nodes.","id":"obj_040","temporal":{"status":"found","start_s":15.5,"end_s":17.75,"reference_s":16.0,"evidence":"目标是竖条上方留下的小炭黑圆角方块，随后成为第一条奶油色连线的右端节点。15.25秒只有竖条，15.5秒方块已完整出现；之后可沿网络运动追踪，17.5秒节点聚拢时仍可见其右侧轮廓，为最后纳入帧。17.75秒各节点已合并成单一较大方块，原节点不再独立可辨。选择16.0秒作为关键帧，此时目标完整、无遮挡，且与左端节点容易区分。","start_frame":372,"end_frame":426,"reference_frame":384},"grounding":{"status":"found","bbox_xyxy":[600,341.7,628.9,391.7],"positive_points":[[606.3,352.8],[620.3,352.8],[605.5,376.4],[620.3,379.2],[613.3,363.9],[615.6,384.7]],"negative_points":[[328.1,194.4],[468.8,279.2],[646.9,366.7],[614.8,425]],"evidence":"目标是奶油色连接线右端的较小炭黑色圆角方形。边界框紧贴该节点的完整填充表面和外缘，不包含连接线。六个正点分布于节点内部不同位置；负点位于左侧另一节点、连接线上及目标右侧和下方的绿色背景。"}},{"name":"Connected square network","description":"A network grows from two linked charcoal rounded squares into six differently sized rounded-square nodes joined by cream lines, then rotates and contracts.","membership":"Include all six node surfaces and the visible connecting strokes as one network. Exclude background between the links, motion trails, and any implied outer enclosure.","id":"obj_041","temporal":{"status":"found","start_s":16.5,"end_s":17.75,"reference_s":16.75,"evidence":"目标是六个大小不同的炭黑色圆角方形节点及其奶油色连接线。16.50秒六个节点和连接线首次完整建立；前一帧16.25秒仍只有部分节点，连线尚在延伸。随后网络旋转、收缩，最后合格帧17.50秒节点聚拢重叠；17.75秒已替换为单个圆角方形，不再是六节点网络。选择16.75秒作为关键帧，六个节点分离清晰，连接关系完整，便于标注。","start_frame":396,"end_frame":426,"reference_frame":402},"grounding":{"status":"found","bbox_xyxy":[139.1,66.7,856.3,688.9],"positive_points":[[185.2,588.9],[323.4,187.5],[359.4,368.1],[563.3,111.1],[613.3,368.1],[816.4,450]],"negative_points":[[80,400],[430,760],[903,460],[625,40]],"evidence":"图中六个大小不同的炭黑色圆角方块由奶油色细线连接，符合目标网络。边界框紧贴全部节点及可见连接线的最外缘；六个正点分别位于六个节点表面，四个负点位于网络外侧的绿色背景，不包含连线间背景或任何假想外框。"}},{"name":"Central dark rounded square","description":"The contracted network is replaced by a single larger charcoal rounded square at center. It carries a cream “D”, then remains empty as the background turns orange.","membership":"Include the rounded-square surface, boundary, and its displayed letter. Exclude the temporary orange glow or outline and surrounding background.","id":"obj_042","temporal":{"status":"found","start_s":17.75,"end_s":18.5,"reference_s":18.0,"evidence":"目标是网络收拢后位于中央的单个炭黑色圆角方块，随后显示奶油色“D”，背景变橙后字母消失。首个合格帧为17.75秒，之前17.50秒仍是多个方块重叠的收拢状态；最后合格帧为18.25秒，18.50秒已被圆形及周围水滴状图案替代。选择18.00秒作为关键帧，方块边界和字母清晰完整，便于排除外侧临时橙色光晕。","start_frame":426,"end_frame":444,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[415.6,347.2,593.8,665.3],"positive_points":[[442,393],[569,401],[443,589],[558,621],[482,506],[531,505]],"negative_points":[[365,497],[641,486],[503,286],[510,724]],"evidence":"目标是画面中央带奶油色“D”的深炭色圆角方块。边界框紧贴方块本体，包含表面、边界和字母，不包含外围橙色光晕。六个正点分布在深色表面及字母笔画上；四个负点位于方块四周、远离边缘的绿色背景上。"}},{"name":"Letter D","description":"A cream uppercase “D” appears centered inside the large dark rounded square.","membership":"Include only the cream letter strokes; exclude its interior opening, the dark backing square, and the orange emphasis effect.","id":"obj_043","temporal":{"status":"found","start_s":18.0,"end_s":18.25,"reference_s":18.0,"evidence":"目标是深色圆角方块中央的奶油色大写 D，仅计字母笔画，不含内部孔洞、底板及橙色效果。首个及最后一个合格采样帧均为18.00秒，字母结构完整清晰；前一帧17.75秒只有深色圆角方块，后一帧18.25秒字母已消失，仅剩方块且背景变为橙红色。选择18.00秒作为关键帧，因为该帧目标完整、无遮挡。","start_frame":432,"end_frame":438,"reference_frame":432},"grounding":{"status":"found","bbox_xyxy":[474.2,406.9,539.1,605.6],"positive_points":[[482,443],[482,513],[483,578],[506,421],[531,482],[523,581]],"negative_points":[[442,492],[566,501],[505,378],[505,639]],"evidence":"目标是深色圆角方块中央的奶油色大写字母D。边界框紧贴字母笔画的可见外缘；六个正点分布在左侧竖笔、顶部和右侧及底部弧形笔画上，四个负点位于字母外围的深色底板上，未放入字母内部开口。"}},{"name":"Final dark circle","description":"A charcoal-brown disk replaces the central rounded square in the final orange scene.","membership":"Include the circular filled surface and its boundary only.","id":"obj_044","temporal":{"status":"found","start_s":18.5,"end_s":19.0,"reference_s":18.75,"evidence":"目标是末尾橙色背景中央替代圆角方块的炭褐色实心圆盘，仅包含圆面及边界。首个合格帧为18.50秒，最后合格帧为18.75秒，圆盘均完整可见；前一帧18.25秒仍是圆角方块。区间延续至视频结束19.00秒，无后续采样帧。选择18.75秒作为关键帧，因为圆盘轮廓清晰，且与周围浅绿色装饰分离、无遮挡。","start_frame":444,"end_frame":456,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[437.5,388.9,562.5,611.1],"positive_points":[[475,430.6],[524.2,427.8],[543,498.6],[521.9,570.8],[470.3,554.2],[454.7,486.1]],"negative_points":[[500,330],[500,670],[395,500],[610,500]],"evidence":"目标是橙色场景中央的炭褐色实心圆盘。边界框紧贴圆盘的可见外缘，六个正点分散在圆盘内部，四个负点位于圆盘上下左右、远离边缘的橙色背景上。"}},{"name":"Upper-left mint droplet","description":"A mint teardrop-like shape appears high on the left of the final dark circle, with its pointed end facing right.","membership":"Include this mint filled shape and its boundary only.","id":"obj_045","temporal":{"status":"found","start_s":18.5,"end_s":19.0,"reference_s":18.75,"evidence":"目标是结尾深色圆形左上方较高处的薄荷色水滴，尖端朝右。18.50秒首次显示完整水滴结构，虽有运动模糊仍符合条件；18.75秒为最后一个采样帧，目标仍完整可见。此前18.25秒尚无该水滴，视频末尾之后没有采样帧。选择18.75秒作为关键帧，因为轮廓清楚，且容易与其他水滴区分。","start_frame":444,"end_frame":456,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[207.8,104.2,261.7,166.7],"positive_points":[[218.8,125],[232.8,119.4],[249.2,119.4],[239.8,138.9],[223.4,152.8],[213.3,140.3]],"negative_points":[[187.5,133.3],[238.3,200],[274.2,368.1],[500,500]],"evidence":"目标是黑色圆形左上方、尖端朝右的最上方薄荷色水滴。边界框紧贴该填充形状及其边缘；六个正点分布于水滴的圆头、中部和尖端附近，负点位于外部红色背景、下方另一枚水滴及黑色圆形上。"}},{"name":"Small left mint droplet","description":"A smaller mint teardrop-like shape appears to the left and slightly above the final dark circle.","membership":"Include this small mint shape and its boundary only.","id":"obj_046","temporal":{"status":"found","start_s":18.5,"end_s":19.0,"reference_s":18.75,"evidence":"目标是末尾深色圆左上方较小的薄荷色水滴，区别于更靠左上方的大水滴。18.5秒首次显示完整轮廓，18.75秒仍完整可见；前一帧18.25秒尚无该水滴。区间延续至视频结束19.0秒，没有后续采样帧。选择18.75秒作为关键帧，目标与圆及其他水滴分离，边界较清晰。","start_frame":444,"end_frame":456,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[260.2,350,293,391.7],"positive_points":[[268.8,362.5],[281.3,358.3],[275,370.8],[266.4,375],[271.9,381.9],[283.6,363.9]],"negative_points":[[246.9,368.1],[304.7,379.2],[231.3,134.7],[492.2,486.1]],"evidence":"目标是深色圆左上方较小的薄荷色水滴，区别于更靠左上方的大水滴。边界框紧贴该小水滴的可见轮廓；六个正点分布于其内部不同部位，负点位于左右红色背景、左上方大水滴及深色圆内。"}},{"name":"Upper-right mint droplet","description":"A mint teardrop-like shape appears high on the right of the final dark circle, above the other right-side droplet.","membership":"Include this mint filled shape and its boundary only.","id":"obj_047","temporal":{"status":"found","start_s":18.5,"end_s":19.0,"reference_s":18.75,"evidence":"目标是结尾深色圆右上方、位于另一枚右侧水滴上方的薄荷绿色泪滴，仅包含该填充形状及边界。18.50秒首次完整可见，虽在运动中但轮廓已建立；18.75秒仍完整可见，为最后合格采样帧。此前18.25秒只有深色圆角方块，尚无该水滴。区间延续至视频结尾，无后续帧。选择18.75秒作为关键帧，因为水滴轮廓更清楚，且与下方水滴分离。","start_frame":444,"end_frame":456,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[687.5,158.3,733,213],"positive_points":[[700,170],[713,169],[724,181],[719,198],[710,190],[703,180]],"negative_points":[[660,302],[500,500],[760,177],[711,118]],"evidence":"目标是深色圆右上方、位于另一枚右侧水滴之上的薄荷绿色实心水滴。边界框紧贴该水滴的可见轮廓；六个正点分布在其填充区域，四个负点分别位于下方另一枚水滴、深色圆及目标外的红色背景。"}},{"name":"Lower-right mint droplet","description":"A larger mint teardrop-like shape appears above and to the right of the final dark circle, below the upper-right droplet.","membership":"Include this mint filled shape and its boundary only.","id":"obj_048","temporal":{"status":"found","start_s":18.75,"end_s":19.0,"reference_s":18.75,"evidence":"目标是最终深色圆右上方、较小的右上液滴下方那枚较大的薄荷色泪滴。18.50秒时它仍从圆后显露，部分边界被遮住；18.75秒时已完整呈现，是首个也是最后一个符合条件的采样帧。选择18.75秒作关键帧，其轮廓清晰且与其他液滴分离。区间到达视频结尾，没有后续采样帧。","start_frame":450,"end_frame":456,"reference_frame":450},"grounding":{"status":"found","bbox_xyxy":[627,269,688,340],"positive_points":[[638.3,284.7],[657.8,280.6],[674.2,293.1],[678.9,316.7],[666.4,329.2],[653.1,308.3]],"negative_points":[[714.8,183.3],[500,500],[605,326],[711,367]],"evidence":"目标是深色圆形右上方、右侧较小水滴下方的较大薄荷色水滴。边界框紧贴该填充形状及其边缘；六个正点分布于尖端、主体和圆弧端内部，负点位于上方另一水滴、深色圆形及目标外的红色背景。"}}]}
+{"video_id":322,"video_type":"icons and abstract motion graphics","targets":[{"name":"Morphing white scalloped ribbon","description":"The central white graphic initially consists of long, rounded horizontal bars joined by narrow necks. It contracts into a slender strip with repeated semicircular indentations along its sides, then bends, rotates, and travels around the black field before leaving view.","membership":"Include the complete connected white graphic, following its changing outer contour and concave edges. Keep its curved configurations open; do not include the black space between its bends or indentations. Exclude the surrounding disconnected bars and dots, the black background, and faint motion trails.","id":"obj_001","temporal":{"status":"found","start_s":0,"end_s":7.75,"reference_s":3,"evidence":"目标是中央由窄颈连接的白色圆端横条，随后连续收缩成两侧带半圆凹口的细带，并弯曲、旋转和移动。首个合格帧为0.00秒，结构已完整��视频起点前无采样帧；最后合格帧为7.50秒，白带仍完整可见。紧邻的7.75秒帧中，白带离场时已被画面上边缘裁切，因此排除。选择3.00秒作为关键帧，白带独立居中、轮廓清晰，周围横条和圆点几乎消失，便于区分目标与背景。","start_frame":0,"end_frame":186,"reference_frame":72},"grounding":{"status":"found","bbox_xyxy":[473.4,338.4,524.1,574.8],"positive_points":[[496,345],[501,371],[497,410],[506,442],[496,505],[504,571]],"negative_points":[[441,421],[558,487],[498,309],[500,608]],"evidence":"目标是画面中央两侧带重复半圆凹口的连通白色细带。边界框紧贴其完整可见轮廓；六个正点分布在白带上、中、下部，四个负点位于其外围黑色背景，避开凹口及零散暗点。"}}]}
+{"video_id":323,"video_type":"icons and abstract motion graphics","targets":[{"name":"Circular eye","description":"A central dark navy circular eye with a white inner ring, magenta pupil, and short mustard lashes along its left edge.","membership":"Includes the circular boundary, enclosed interior, pupil, white ring, and projecting lashes. Excludes the nearby angular mouth and upper white eye.","id":"obj_001","temporal":{"status":"found","start_s":0.75,"end_s":3.0,"reference_s":2.25,"evidence":"目标是中央带白色内环、洋红瞳孔及左侧短芥黄色睫毛的深海军蓝圆眼，不含旁边的嘴和上方白眼。首个完整帧为0.75秒，最后合格帧为2.75秒；此前0.50秒圆形边界尚未闭合、睫毛仍在构建，此后3.00秒已被另一组分散图形替换。选择2.25秒作关键帧，圆眼各部分清晰完整且无遮挡。","start_frame":18,"end_frame":72,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[380.6,439.8,521.3,565.8],"positive_points":[[460,505],[480,501],[493,462],[449,549],[390,498],[415,450]],"negative_points":[[578,411],[540,548],[350,490],[550,480]],"evidence":"目标是画面中央的深藏青色圆眼，具有白色内环、洋红色瞳孔及左侧短芥黄色睫毛。边界框紧贴圆眼及所有突出睫毛；正点分布于瞳孔、白环、深色外圈和睫毛，负点位于上方白眼、右下角形嘴及外围绿色背景。"}},{"name":"White wave motif","description":"Three stacked white wavy strips develop on the left side of the green composition.","membership":"Includes all three strips as one compact motif, following their individual outlines. Excludes the green gaps between strips and the symbols below.","id":"obj_002","temporal":{"status":"found","start_s":0.75,"end_s":3.0,"reference_s":2.25,"evidence":"目标是绿色画面左侧上下排列的三条白色波浪带，作为一个整体识别。0.75秒三条波浪带首次完整建立，持续至最后符合条件的2.75秒；前一帧0.50秒仅有尚未延展完成的短波浪片段，后一帧3.00秒已变为白色方块群，原波浪图案消失。选择2.25秒作为关键帧，三条轮廓完整清晰、无遮挡，便于标注。","start_frame":18,"end_frame":72,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[37.5,399,331,574],"positive_points":[[122,448],[270,414],[80,481],[239,504],[111,556],[276,532]],"negative_points":[[180,360],[15,495],[175,617],[353,600]],"evidence":"目标是画面左侧上下排列的三条白色波浪带，边界框紧贴三条带的整体可见范围。六个正点分布在各条白色带的实际笔画上；负点位于图案外围的绿色背景、下方黄色符号及右下方深色形状上，不落在波浪带之间的空隙内。"}},{"name":"Angular magenta mouth","description":"An open, right-facing mouth below the circular eye, formed by two magenta bars with small navy and mustard rectangular teeth.","membership":"Includes both jaw bars and their attached teeth. The open space between the jaws is excluded.","id":"obj_003","temporal":{"status":"found","start_s":0.75,"end_s":3.0,"reference_s":2.0,"evidence":"目标是圆形眼睛下方朝右张开的洋红色双颌，包含附着的藏蓝色和芥黄色矩形牙齿。首个完整帧为0.75秒，最后一个符合帧为2.75秒；此前0.50秒下颌牙齿仍未组装齐全，此后3.00秒嘴部被其他几何图形替代。选择2.00秒作为关键帧，双颌及牙齿轮廓清晰、无遮挡。","start_frame":18,"end_frame":72,"reference_frame":48},"grounding":{"status":"found","bbox_xyxy":[465,508,607,657],"positive_points":[[556,526],[517,579],[481,624],[589,642],[568,554],[579,617]],"negative_points":[[460,505],[381,720],[633,586],[586,400]],"evidence":"目标位于圆形眼睛下方，是由两条品红色颌条组成的向右张开的角形嘴。边界框覆盖两条颌条及附着的藏青色、芥黄色矩形牙齿；正点分布在颌条与牙齿上，负点位于独立的眼睛、下方深色竖形、右侧绿色背景及上方白色物体，避开两颌间的空隙。"}},{"name":"White almond eye with magenta brow","description":"Above and right of the circular eye is a tilted white almond shape with a navy rectangular center, an adjacent upright magenta bar, and a rounded white lobe.","membership":"Includes the white eye shape and lobe, its enclosed navy center, and the adjacent magenta brow. Excludes the overhead arm and lower mouth.","id":"obj_004","temporal":{"status":"found","start_s":1.0,"end_s":3.0,"reference_s":2.25,"evidence":"目标位于圆形眼睛的右上方，由倾斜白色杏仁形、内部海军蓝矩形、右侧白色圆瓣及相邻竖直洋红眉条组成。首个完整帧为1.00秒，前一帧0.75秒尚未出现白色圆瓣；最后完整帧为2.75秒，后一帧3.00秒已被白色斜线和洋红菱形等不同结构替代。选择2.25秒作为关键帧，目标各组成部分清晰完整、无遮挡。","start_frame":24,"end_frame":72,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[505,343.8,673.8,468.8],"positive_points":[[519.4,383.1],[521.9,440.6],[605,374.4],[545.6,443.1],[575.6,408.8],[646.3,405]],"negative_points":[[570,291],[541,549],[460,504],[695,436]],"evidence":"目标位于圆眼右上方，由倾斜的白色杏仁形、内部藏青色矩形、右侧白色圆瓣及左侧直立洋红色眉条组成。边框紧贴这些部件；正点覆盖眉条、白色主体、深色中心和圆瓣，负点位于上方手臂、下方嘴部、圆眼及右侧绿色背景。"}},{"name":"Mustard double curl","description":"A mustard, numeral-three-like open curve appears at the lower right, carrying a magenta cross in its upper bend and a small navy-and-white circular detail on its lower bend.","membership":"Includes the branching mustard curve, magenta cross, and circular detail with its enclosed white center. Follows the open curves rather than filling the spaces between their ends.","id":"obj_005","temporal":{"status":"found","start_s":1.5,"end_s":3.0,"reference_s":2.25,"evidence":"目标位于右下方，为芥末黄色的双弯开放曲线，上弯内有洋红十字，下弯带海军蓝外圈和白色中心。首个完整帧为1.50秒，最后合格帧为2.75秒；此前1.25秒的洋红部分仍是分离短条，十字尚未组装完成，之后3.00秒画面切换，目标被不同形状替代。选择2.25秒作为关键帧，目标结构完整、清晰且无遮挡。","start_frame":36,"end_frame":72,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[617,499,798,750],"positive_points":[[713,516],[782,582],[752,608],[666,630],[706,705],[658,729]],"negative_points":[[843,642],[638,540],[626,790],[845,487]],"evidence":"目标是右下方呈数字3状的芥黄色分叉曲线，上弯带洋红十字，下弯带藏青圆环和白色圆心。框紧贴整组图形的可见边界；正点分布在黄色曲线、十字及圆心上，负点位于外围绿色背景，避开曲线内部的开放空隙。"}},{"name":"Mustard E-like symbol","description":"Below the white waves, a mustard open rounded form and horizontal inner bar are joined visually by a magenta hook at the bottom.","membership":"Includes the mustard outer curve, inner bar, and magenta hook. Excludes the background visible between these pieces and inside their open bends.","id":"obj_006","temporal":{"status":"found","start_s":1.5,"end_s":3.0,"reference_s":2.25,"evidence":"目标位于白色波纹下方，由芥末黄色的开放圆弧、内部横条及底部洋红色钩组成。首个完整帧为1.50秒，最后符合帧为2.75秒；此前1.25秒黄色外弧的下端尚未构建完整，之后3.00秒画面切换，该位置变为黄色环形与洋红旋卷的另一种图形。选择2.25秒作为关键帧，目标完整清晰且无遮挡。","start_frame":36,"end_frame":72,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[106.9,603.8,233.8,783.1],"positive_points":[[189,616],[121,662],[187,676],[217,733],[157,724],[181,771]],"negative_points":[[182,555],[77,675],[368,747],[260,785]],"evidence":"目标位于白色波纹下方，由芥末黄色的圆弧外形、内部横条及底部洋红色钩形组成。边界框紧贴这三部分的整体可见范围；六个正点分布在黄色曲线、横条和洋红钩上，负点位于上方白色波纹、右侧深色形状及外围绿色背景，避开内部空隙。"}},{"name":"Magenta reaching arm","description":"A long magenta wavy arm extends inward from the right edge across the upper composition, ending in a splayed hand with navy fingertips.","membership":"Includes the visible arm, palm, fingers, and dark fingertip patches. Follows the finger gaps and wavy arm outline; excludes surrounding green space.","id":"obj_007","temporal":{"status":"found","start_s":2.0,"end_s":3.0,"reference_s":2.25,"evidence":"目标是从画面右侧伸入上方的洋红色波浪长臂，末端为带藏蓝色指尖的张开手掌。2.00秒首次完整呈现全部手指及指尖色块，最后合格帧为2.75秒；此前1.75秒仍有指尖色块尚未完成，之后3.00秒长臂和手掌被圆点等图形替代。右缘截断属于设计构图。选择2.25秒作为关键帧，手掌、指缝和波浪臂轮廓清晰且无遮挡。","start_frame":48,"end_frame":72,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[296.25,250,1000,423.75],"positive_points":[[969,273],[818,292],[571,285],[442,316],[307,332],[414,411]],"negative_points":[[700,210],[162,320],[617,395],[520,411]],"evidence":"目标是从右边缘横向伸入、末端张开手指的洋红色波浪手臂。边界框紧贴可见手臂、手掌、各手指及深蓝指尖的整体外缘。正点分布于波浪臂段、手掌和指尖；负点位于上方绿色背景、左侧帽子、白色图形及手臂下方独立的洋红竖条上。"}},{"name":"Navy brimmed hat","description":"A small tilted navy hat with a magenta band forms in the upper-left area above the white waves.","membership":"Includes the crown, brim, and magenta band, following their combined outer silhouette.","id":"obj_008","temporal":{"status":"found","start_s":1.75,"end_s":3.0,"reference_s":2.25,"evidence":"目标是左上方、白色波纹上方带洋红色帽带的倾斜海军蓝礼帽，包含帽冠和帽檐。首个完整帧为1.75秒，最后合格帧为2.75秒；此前1.50秒帽冠、帽带和帽檐仍未组装完整，随后3.00秒该帽已被分离的弧形图案替代。选择2.25秒作为关键帧，帽子轮廓清晰且无遮挡。","start_frame":42,"end_frame":72,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[109,280,219,374],"positive_points":[[146,295],[125,312],[155,313],[122,354],[173,334],[201,313]],"negative_points":[[95,311],[150,261],[229,344],[159,393]],"evidence":"目标位于图像左上方、白色波纹上方，是带有洋红色帽带的倾斜海军蓝礼帽。边界框紧贴帽冠、帽檐及帽带的联合外轮廓；六个正点分布在这些实色部分，四个负点位于帽子外围的绿色背景上。"}},{"name":"Navy raised hand and arm","description":"A broad navy arm rises from the bottom edge near the center-left and develops a hand with five curved, spread digits.","membership":"Includes the visible forearm, palm, fingers, and darker bottom patch. Excludes the spaces between fingers and the nearby eye and mouth.","id":"obj_009","temporal":{"status":"found","start_s":2.0,"end_s":3.0,"reference_s":2.25,"evidence":"目标是画面中左侧从底边向上伸出的宽海军蓝前臂及五指张开的手，包含底部深色补丁。2.00秒首次完整呈现，至2.75秒仍完整可见；前一帧1.75秒手指尚未构建完成，后一帧3.00秒已被细线等不同图形替代，因此本次连续出现结束。选择2.25秒作为关键帧，手掌、五根弯曲手指和前臂轮廓清楚，无遮挡。","start_frame":48,"end_frame":72,"reference_frame":54},"grounding":{"status":"found","bbox_xyxy":[260.6,559,458.8,1000],"positive_points":[[283,657],[333,584],[441,612],[382,652],[383,819],[389,992]],"negative_points":[[458,503],[530,633],[284,820],[479,827]],"evidence":"目标是从画面底边向上伸出的海军蓝前臂及五指张开的手。边界框覆盖可见手指、手掌、前臂和底部深色补丁，并紧贴底边。正点分布在手指、掌部、前臂及底部补丁上；负点位于附近的眼睛、嘴部和手臂两侧的绿色背景，避开指间空隙。"}},{"name":"Broken circular motif","description":"On the peach-colored composition, an upper-left circular motif consists of two navy curved pieces and a magenta upper arc.","membership":"Includes the three curved pieces only. Their open gaps and the unbounded central background are excluded.","id":"obj_010","temporal":{"status":"found","start_s":3.0,"end_s":4.25,"reference_s":3.25,"evidence":"目标是桃色构图左上方由两段海军蓝弧和一段洋红色上弧组成的断环，仅包含三段弧形。首个合格帧为3.00秒，末个为4.00秒；4.00秒虽背景变绿、弧段旋转变形，三段结构仍完整。此前2.75秒该处是帽子，此后4.25秒又被帽子替代。选择3.25秒作为关键帧，三段弧形清楚分离且无遮挡。","start_frame":72,"end_frame":102,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[66.9,231.3,208.8,368.1],"positive_points":[[153.1,241.3],[190.6,263.1],[80,315.6],[102.5,358.1],[192.5,307.5],[200,342.5]],"negative_points":[[50,250],[231.3,321.9],[151.3,400],[156.9,193.8]],"evidence":"目标是图像左上方由上侧洋红弧和左右两段海军蓝弧组成的断裂圆形。边界框紧包三段弧；六个正点分布在三段弧的实际色块上，四个负点位于该图案外围的桃色背景，避开中心及弧间空隙。"}},{"name":"Navy square","description":"A solid, slightly irregular navy quadrilateral sits above the left end of the magenta dot arrangement on the peach background.","membership":"Includes the filled quadrilateral and its boundary, excluding the dots below.","id":"obj_011","temporal":{"status":"found","start_s":3.0,"end_s":4.0,"reference_s":3.25,"evidence":"目标是桃色背景上、洋红圆点排列左端上方的实心不规则海军蓝四边形，不含下方圆点。首个合格帧为3.00秒；3.75秒虽已缩小变形，仍是完整连续的单块，故为最后合格帧。此前2.75秒是绿色背景，尚无该四边形；随后4.00秒已分解为多个蓝色碎片。选择3.25秒作关键帧，此时四边形轮廓清楚、无遮挡。","start_frame":72,"end_frame":96,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[295.6,170,396.9,258.8],"positive_points":[[310,183],[350,184],[384,193],[306,239],[344,224],[377,245]],"negative_points":[[333,308],[343,145],[270,214],[420,215]],"evidence":"目标是洋红色圆点排列左端上方的深海军蓝不规则实心四边形。边界框紧贴其可见外缘；六个正点分布于形状内部各部分，负点位于下方洋红圆点及上方、左右的桃色背景，均不包含目标。"}},{"name":"Magenta dot arrangement","description":"A row of magenta circles extends across the upper peach composition toward the right edge, with a short downward-curving cluster at its left end.","membership":"Includes the individual filled magenta circles composing the row and curved cluster. Excludes the spaces between circles and the separate navy square.","id":"obj_012","temporal":{"status":"found","start_s":3.0,"end_s":4.25,"reference_s":3.25,"evidence":"目标是桃色构图上方向右延伸的一排洋红实心圆及左端向下弯曲的圆点簇，不包括独立的藏蓝方块。首个完整呈现帧为3.00秒，最后符合帧为4.00秒；4.00秒圆点虽放大，仍保持完整排列，属于形变。前一帧2.75秒显示绿色背景的波浪手臂构图，尚无该圆点组；后一帧4.25秒圆点组被波浪手臂替代。选择3.25秒作为关键帧，圆点边界清晰、遮挡少。","start_frame":72,"end_frame":102,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[310.6,272.5,1000,420],"positive_points":[[333,308],[380,401],[472,359],[569,294],[750,306],[984,294]],"negative_points":[[344,212],[606,481],[846,231],[281,346]],"evidence":"目标是上方横向延伸至右边缘的一串洋红色实心圆，以及左端向下弯曲的圆点簇。边界框覆盖所有这些圆点，包括右侧被图像边缘截断的圆点。正点分布在横排和弯曲簇的圆内；负点位于独立藏青方块、下方洋红菱形及目标外部的桃色背景上。"}},{"name":"White tile cluster","description":"A compact patch of scattered white quadrilateral tiles occupies the left-middle area of the peach composition.","membership":"Includes the white tiles as one patterned cluster, following each tile boundary. Excludes background gaps and adjacent colored symbols.","id":"obj_013","temporal":{"status":"found","start_s":3.0,"end_s":4.25,"reference_s":3.25,"evidence":"目标是画面左中部由多个白色四边形散布组成的紧凑图案簇，不含背景空隙及相邻彩色符号。首个合格帧为3.00秒，末个为4.00秒；期间背景由桃色变绿，但白色瓷砖簇持续完整可见。此前2.75秒该处为三条白色波浪线，之后4.25秒瓷砖簇已被波浪线替代。选择3.25秒作为关键帧，因桃色背景上各白色块边界清楚且无遮挡。","start_frame":72,"end_frame":102,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[43,409,337,568],"positive_points":[[280,424],[81,440],[67,535],[195,475],[154,550],[319,535]],"negative_points":[[171,644],[381,400],[92,329],[363,466]],"evidence":"目标是画面左侧中部由多块白色四边形组成的紧凑图案簇。边界框覆盖全部白色瓷片；正点分布在上方、左右及下方的实际白色块内，负点位于簇外桃色背景和邻近的黄色、洋红色及紫色图形上，不标记瓷片之间的空隙。"}},{"name":"White diagonal stroke","description":"A thin white diagonal stroke appears above the magenta diamond in the upper-middle-right area of the peach composition.","membership":"Includes only the narrow white stroke, excluding the diamond and surrounding background.","id":"obj_014","temporal":{"status":"found","start_s":3.0,"end_s":4.25,"reference_s":3.25,"evidence":"目标是桃色构图中、洋红色菱形上方的细白色斜线，仅包含线条本身。首次完整出现于3.00秒，至4.00秒仍完整可见，周围图形变形不影响其连续存在。前一帧2.75秒该处为白色叶片状图形，尚无此独立细线；后一帧4.25秒细线已被白色叶片状图形替代。选择3.25秒作为关键帧，线条清晰、无遮挡且与菱形分离。","start_frame":72,"end_frame":102,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[525,343,634,462],"positive_points":[[530,455.6],[549.4,438.8],[568.8,416.3],[588.8,395],[609.4,372.5],[628.1,348.1]],"negative_points":[[637.5,487.5],[550,368.8],[600,456.3],[627.5,296.9]],"evidence":"目标是画面中上部偏右、洋红色菱形上方的细白色斜线。边界框紧贴白线的可见范围；六个正点沿白线分散放置，负点位于旁边的桃色背景、下方菱形及上方洋红色圆点上，均不属于白线。"}},{"name":"Magenta diamond","description":"A magenta square rotated into a diamond contains a short navy rectangular mark near its center.","membership":"Includes the filled diamond, its outer boundary, and enclosed navy mark. Excludes the separate white diagonal stroke above it.","id":"obj_015","temporal":{"status":"found","start_s":3.0,"end_s":4.0,"reference_s":3.25,"evidence":"目标是内含短海军蓝矩形的实心洋红色菱形，不包括其上方独立的白色斜线。首个完整呈现帧为3.00秒，最后合格帧为3.75秒；前一帧2.75秒对应位置是白色叶片状图形，尚无该菱形，后一帧4.00秒菱形已被弯曲的洋红色形状替代。选择3.25秒作为关键帧，菱形边界和内部蓝色标记清晰、无遮挡。","start_frame":72,"end_frame":96,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[581.9,428.8,691.3,539.4],"positive_points":[[633,447],[602,484],[638,481],[669,483],[636,520],[652,462]],"negative_points":[[587,399],[709,507],[584,582],[560,494]],"evidence":"目标是图像中部偏右、内含短海军蓝矩形的洋红色菱形。边界框紧贴菱形外缘，包含填充区域及内部蓝色标记，不包含上方独立白色斜线。正点分布于菱形各部及蓝色标记上；负点位于白色斜线、下方蓝色弧线和菱形外侧背景。"}},{"name":"Upper-right mustard loop","description":"A horizontal mustard loop with an open curling extension appears to the right of the magenta diamond on the peach background.","membership":"Includes the mustard outline and the area enclosed by its closed loop. The curling extension remains open, and surrounding background is excluded.","id":"obj_016","temporal":{"status":"found","start_s":3.0,"end_s":4.0,"reference_s":3.25,"evidence":"目标是桃色背景上、洋红菱形右侧的横向芥黄色闭环，带开放的卷曲延伸。首个合格帧为3.00秒，最后为3.75秒；此前2.75秒是绿色背景上的另一组图形，目标尚未出现。4.00秒闭环已拆开并变成分离的弧形，不再完整。选择3.25秒作为关键帧，目标轮廓完整清晰且无遮挡。","start_frame":72,"end_frame":96,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[720,413,913,506],"positive_points":[[737,447],[774,427],[792,492],[795,463],[855,446],[897,433]],"negative_points":[[638,480],[814,387],[820,539],[937,462]],"evidence":"目标位于洋红色菱形右侧，是带向右开放卷曲延伸的芥末黄色环形。边界框紧贴整个黄色形状；正点覆盖环形轮廓、闭环包围的内部及右侧延伸，负点位于周围桃色背景和独立的洋红色菱形上。"}},{"name":"Lower-left mustard loop and magenta curl","description":"Below the white tiles is a mustard horizontal oval loop with short projecting ends and a magenta curled shape immediately underneath.","membership":"Includes the mustard loop and its enclosed area, its projecting ends, and the neighboring magenta curl. Excludes the nearby navy disc and long dark stroke.","id":"obj_017","temporal":{"status":"found","start_s":3.0,"end_s":4.25,"reference_s":3.25,"evidence":"目标位于白色小方块下方，由带短突出端的芥末黄色横向椭圆环及其下方的洋红卷曲形组成。首个合格帧为3.00秒，最后为4.00秒；4.00秒虽发生形变，两部分仍完整可见。此前2.75秒显示的是黄色C形与洋红钩形，尚非该目标；随后4.25秒已恢复为该不同造型，椭圆环组合不再呈现。选择3.25秒作为关键帧，因两部分轮廓清楚且无遮挡。","start_frame":72,"end_frame":102,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[84.4,595.6,258.8,762.5],"positive_points":[[104,614],[193,614],[201,645],[120,675],[181,701],[219,734]],"negative_points":[[361,639],[275,787],[236,552],[64,716]],"evidence":"目标位于白色小方块下方，由带短突出端的芥黄色横向椭圆环及紧邻其下的洋红色卷曲形组成。边界框紧贴两者整体；正点覆盖黄色环、其包围区域、突出端及洋红卷曲部分，负点位于附近海军蓝圆盘、深色长线、白色方块和外部背景。"}},{"name":"Mustard disc","description":"A small filled mustard circle lies just right of the white tile cluster on the peach background.","membership":"Includes the disc and its boundary only.","id":"obj_018","temporal":{"status":"found","start_s":3.0,"end_s":3.75,"reference_s":3.25,"evidence":"目标是桃色背景上、白色小方块簇右侧的实心芥末黄色圆盘。首次完整出现于3.00秒，最后符合描述的帧为3.50秒；前一帧2.75秒是绿色背景的另一组图形，没有该圆盘，后一帧3.75秒圆盘已转变为带弯尾的钩形，不再呈现独立圆盘。选择3.25秒作为关键帧，圆盘边界清楚且无遮挡。","start_frame":72,"end_frame":90,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[373,509,412,548],"positive_points":[[392,519],[381,528],[402,526],[387,538],[399,537],[393,531]],"negative_points":[[319,534],[429,528],[392,485],[360,637]],"evidence":"目标是白色小方块群右侧的芥末黄色实心圆。边界框紧贴圆盘及其边缘；六个正点分散在圆盘内部，负点位于左侧白色方块、周围桃色背景及下方紫色圆形上。"}},{"name":"Navy disc","description":"A filled navy circle sits below and slightly left of the mustard disc, between the lower-left loop motif and the large bottom ring.","membership":"Includes the filled circle and its boundary. Excludes neighboring loops and rings.","id":"obj_019","temporal":{"status":"found","start_s":3.0,"end_s":4.25,"reference_s":3.25,"evidence":"目标是芥黄色小圆盘左下方、左下环形图案与底部大圆环之间的实心藏青色圆盘。首个合格帧为3.00秒，末个为4.00秒；4.00秒虽略有变形且周围新增小圆点，圆盘自身仍完整。前一帧2.75秒没有该独立圆盘，后一帧4.25秒已被另一组图形替代。选择3.25秒作为关键帧，圆盘边界清楚、无遮挡且易与邻近圆环区分。","start_frame":72,"end_frame":102,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[335.6,613.1,386.3,664.4],"positive_points":[[355,621],[373,628],[342,638],[362,640],[378,648],[356,657]],"negative_points":[[392,528],[435,741],[230,637],[413,636]],"evidence":"目标是芥末黄色圆点左下方、左侧环形图案与底部大圆环之间的实心藏蓝圆。边界框紧贴圆的可见外缘；六个正点分布在圆内不同位置，四个负点位于黄色圆点、邻近圆环和左侧环形图案上，以及目标右侧的外部背景。"}},{"name":"Small magenta disc","description":"A small dark magenta circle appears near the center of the peach composition, immediately left of the nested navy arcs.","membership":"Includes only this filled circular mark and its boundary.","id":"obj_020","temporal":{"status":"found","start_s":3.0,"end_s":4.0,"reference_s":3.25,"evidence":"目标是桃色构图中央、嵌套海军蓝弧线紧左侧的独立深洋红色实心小圆。首个合格帧为3.00秒，最后为3.75秒；此前2.75秒是绿色构图，没有该独立圆点，之后4.00秒相应位置变为与其他形状重叠的棱角色块，不再呈现该圆形标记。选择3.25秒，圆点边界清晰、无遮挡，且与右侧弧线易于区分。","start_frame":72,"end_frame":96,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[472.5,603,500.5,630],"positive_points":[[486,616],[480,611],[491,611],[478,620],[489,624],[496,618]],"negative_points":[[452,616],[487,650],[558,613],[361,638]],"evidence":"目标是画面中央偏下、嵌套藏蓝色弧线左侧的小深洋红色实心圆。边界框紧贴该圆的可见外缘；六个正点分布在圆内不同部位，负点位于圆外桃色背景、右侧藏蓝弧线及左侧另一藏蓝圆上。"}},{"name":"Nested navy arcs","description":"Three nested navy curved bands appear near the center-right of the peach composition, with a mustard segment at the end of the innermost band.","membership":"Includes the three open bands and mustard segment. Excludes the spaces between bands and the separate magenta disc to their left.","id":"obj_021","temporal":{"status":"found","start_s":3.0,"end_s":4.25,"reference_s":3.25,"evidence":"目标是画面中部偏右的三条嵌套海军蓝开放弧带，最内侧带端有芥末黄色段，不包括左侧独立的洋红圆点。首个完整帧为3.00秒，最后一个符合条件的帧为4.00秒；期间背景变化但弧带持续完整可见。前一帧2.75秒尚无此弧带组合，后一帧4.25秒已被其他造型替代。选择3.25秒作为关键帧，三条弧带及黄色段清晰、无遮挡。","start_frame":72,"end_frame":102,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[532.5,542.5,605.6,632.5],"positive_points":[[585,570],[598,616],[559,566],[580,610],[558,610],[546,586]],"negative_points":[[487,616],[625,600],[569,656],[512,562]],"evidence":"目标位于画面中部偏右，是三条嵌套的藏蓝色开放弧带，最内侧末端带有芥黄色段。边界框紧贴三条弧带及黄色段的整体范围；正点分布在各弧带和黄色段上，负点位于左侧独立的洋红圆点及目标外围桃色背景，避开弧带之间的空隙。"}},{"name":"Magenta teardrop","description":"A solid magenta droplet-like shape lies on the right side of the peach composition below the mustard loop.","membership":"Includes the filled teardrop and its outer boundary only.","id":"obj_022","temporal":{"status":"found","start_s":3.0,"end_s":4.0,"reference_s":3.25,"evidence":"目标是桃色构图右侧、芥黄色环形下方的实心洋红色泪滴。首个合格帧为3.00秒，最后合格帧为3.75秒，其外轮廓均完整可见。前一帧2.75秒尚无该泪滴；后一帧4.00秒该位置已变为弯曲的洋红色片段，不再保留实心泪滴结构。选择3.25秒作为关键帧，目标清晰、无遮挡且易于区分。","start_frame":72,"end_frame":96,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[738.5,586.5,820,655.5],"positive_points":[[752.5,600],[775,598.8],[799.4,607.5],[781.3,624.4],[801.9,638.8],[771.9,638.1]],"negative_points":[[712.5,618.8],[845,623.1],[776.3,561.9],[781.3,681.3]],"evidence":"目标是画面右侧、芥黄色环形图案下方的实心洋红色水滴。边界框紧贴水滴的可见外缘；六个正点分布于其上部、中央和下部填充区域，四个负点位于水滴外围的桃色背景上。"}},{"name":"Large navy-and-white ring","description":"A large navy ring with a white center appears in the lower-middle part of the peach composition.","membership":"Includes the ring's outer boundary and entire enclosed white center. Excludes adjacent discs, strokes, and mustard curves.","id":"obj_023","temporal":{"status":"found","start_s":3.0,"end_s":6.75,"reference_s":3.25,"evidence":"3.00秒桃色画面下方中央出现完整的藏青色外环和白色内芯；此前2.75秒是另一构图，不能仅凭相似圆形认定连续。该环随后变成水滴形并上移，内芯发生变化，但外环结构连续保留，最后合格帧为6.50秒；6.75秒环已开始缺损、拆解。选择3.25秒作为关键帧，此时圆环完整清晰，与邻近小圆盘及黄色曲线易于区分。","start_frame":72,"end_frame":162,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[420.6,695.6,521.9,801.9],"positive_points":[[467.5,706],[429.5,745],[511,747.5],[472.5,791],[462,740],[483,762]],"negative_points":[[617,787],[361,639],[545,812],[387,744]],"evidence":"目标是画面中下部较大的海军蓝外圈、白色中心圆环。边界框紧贴整个圆环外缘，包含全部白色中心；正点分布在蓝色环体及白色中心，负点位于邻近小圆环、独立蓝色圆点、芥黄色曲线和左侧桃色背景上。"}},{"name":"Small navy-and-white ring","description":"A smaller navy ring with a white center sits below and right of the large ring on the peach background.","membership":"Includes the outer navy boundary and enclosed white center, excluding the mustard curve beneath it.","id":"obj_024","temporal":{"status":"found","start_s":3.0,"end_s":3.75,"reference_s":3.25,"evidence":"目标是桃色背景中位于大圆环右下方的小海军蓝圆环，中央为白色，不包括下方芥黄色曲线。首个合格帧为3.00秒，最后为3.50秒；此前2.75秒是绿色背景的另一组构图，3.75秒小环上方开始分离出蓝色碎点，随后变形为水滴状。选择3.25秒作为关键帧，因为圆环结构完整、无遮挡且易于区分。","start_frame":72,"end_frame":90,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[588.8,759.4,644.4,815.6],"positive_points":[[603.8,773.1],[627.5,773.1],[633.8,790],[616.3,806.3],[596.9,791.3],[615.6,785.6]],"negative_points":[[633.1,850],[510,743.8],[662.5,781.3],[601.9,737.5]],"evidence":"目标是大圆环右下方、芥末黄色曲线上方的小海军蓝白心圆环。边界框紧贴其完整外缘，包含蓝色环及白色中心；六个正点分布于环边和白心，负点位于下方黄色曲线、左侧大圆环及外围桃色背景。"}},{"name":"Lower mustard S-curve","description":"A broad mustard S-like open curve appears beneath the two navy-and-white rings on the peach background.","membership":"Includes the mustard curved strip, following both open bends. Excludes the background within the open curves and the separate rings above.","id":"obj_025","temporal":{"status":"found","start_s":3.0,"end_s":4.25,"reference_s":3.25,"evidence":"目标是桃色背景下、两个藏蓝白色圆环下方的宽芥末黄色开放式S形曲带，不含圆环。首个合格帧为3.00秒，至4.00秒仍是完整曲带，仅发生旋转和变形。前一帧2.75秒显示绿色背景中的另一种黄色曲形；后一帧4.25秒已替换为右侧带十字的黄色双弯结构。选择3.25秒作为关键帧，因S形两端及弯曲轮廓清晰，与圆环分离。","start_frame":72,"end_frame":102,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[489.4,792.5,653.1,914.4],"positive_points":[[503.8,843.8],[524.4,809.4],[559.4,824.4],[559.4,870],[591.9,900],[637.5,863.1]],"negative_points":[[436.9,762.5],[635.6,790.6],[466.9,881.3],[687.5,906.3]],"evidence":"目标是两个藏青色白心圆环下方的芥末黄色S形开放曲带。边界框紧贴整条曲带，覆盖两段弯曲；六个正点分布在黄色实心条带上。负点位于上方独立圆环及曲带外围的桃色背景，不标记弯曲内部空白。"}},{"name":"Long navy stroke","description":"A narrow, slightly slanted navy stroke extends downward to the bottom edge from beside the lower-left magenta curl in the peach composition.","membership":"Includes only the visible dark stroke. Excludes the neighboring curl and background.","id":"obj_026","temporal":{"status":"found","start_s":3.0,"end_s":4.25,"reference_s":3.25,"evidence":"目标是桃色构图中、左下洋红卷曲旁向下延伸至画面底边的细长海军蓝笔画，底部属于有意裁切。首个合格帧为3.00秒；3.75秒仍为细斜线，4.00秒变宽但仍保持完整长笔画，故最后合格帧为4.00秒。此前2.75秒及此后4.25秒对应位置均为手掌状图形，而非该独立笔画。选择3.25秒作为关键帧，笔画清晰且与邻近卷曲分离。","start_frame":72,"end_frame":102,"reference_frame":78},"grounding":{"status":"found","bbox_xyxy":[265,739,325,1000],"positive_points":[[271,750],[279,798],[288,847],[298,894],[308,946],[318,986]],"negative_points":[[220,735],[247,850],[332,913],[350,985]],"evidence":"目标是左下方洋红色卷曲旁向下延伸至图像底边的细长海军蓝斜线。边界框紧贴其可见笔画；六个正点沿笔画从上到下分布，负点位于邻近卷曲及笔画外侧的桃色背景上。"}},{"name":"Returning navy brimmed hat","description":"When the green composition returns, the tilted navy hat with a magenta band is again visible above the white waves at upper left.","membership":"Includes the crown, brim, and colored band as one hat silhouette, excluding surrounding space.","id":"obj_027","temporal":{"status":"found","start_s":4.25,"end_s":5.75,"reference_s":4.5,"evidence":"目标是绿色构图返回后，左上方白色波纹上方带洋红色帽带的倾斜藏蓝色帽子，包括帽冠和帽檐。首次完整出现于4.25秒，最后完整帧为5.50秒；前一帧4.00秒仍是变形中的抽象构图，没有完整帽子，后一帧5.75秒帽子已拆散成碎片。选择4.50秒作为关键帧，帽子轮廓完整、无遮挡，易于区分。","start_frame":102,"end_frame":138,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[108.75,280,218.75,375],"positive_points":[[144.4,295.6],[124.4,312.5],[153.1,316.3],[171.9,323.1],[200,310.6],[124.4,356.9]],"negative_points":[[93.8,300],[237.5,343.8],[178.1,423.8],[168.8,253.1]],"evidence":"目标是左上方、白色波纹上方倾斜的藏青色帽子，带有洋红色帽带。边界框紧贴帽冠、帽檐和帽带的完整轮廓；六个正点分布在这些部位，四个负点位于帽外绿色背景及下方独立的白色波纹上。"}},{"name":"Returning white wave motif","description":"The restored green composition again contains three stacked white wavy strips at left; they later shorten into separated wave fragments.","membership":"Includes the three strips and their remaining fragments throughout their reduction. Excludes the green gaps and neighboring symbols.","id":"obj_028","temporal":{"status":"found","start_s":4.25,"end_s":6.5,"reference_s":4.5,"evidence":"目标是绿色构图恢复后左侧的三条叠放白色波浪带。4.25秒首次完整恢复，前一帧4.00秒该处仍为分散的白色小块；最后合格帧为6.25秒，6.50秒波浪带开始缩短、擦除，随后成为碎片，按退出规则不纳入。选择4.50秒作为关键帧，三条波浪带完整清晰且无遮挡。","start_frame":102,"end_frame":156,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[37,400,331,575],"positive_points":[[81,428],[269,416],[86,485],[283,477],[92,535],[284,534]],"negative_points":[[20,481],[163,325],[125,675],[376,625]],"evidence":"目标是画面左侧上下排列的三条白色波浪带，边界框紧密覆盖三条完整波浪。六个正点分别落在每条白带的左右代表性部位；负点位于左侧外部绿色背景及邻近的帽子、橙色符号和深色手形上，不标记白带之间的空隙。"}},{"name":"Returning magenta reaching arm","description":"The restored upper magenta wavy arm again reaches in from the right, ending in a spread hand with navy fingertips before retracting.","membership":"Includes the visible wavy arm, palm, fingers, and fingertip patches. Follows its true outline and excludes finger gaps.","id":"obj_029","temporal":{"status":"found","start_s":4.25,"end_s":5.5,"reference_s":4.5,"evidence":"目标是从右侧伸入、带展开手掌和藏蓝色指尖贴片的复原洋红色波浪手臂。首次完整呈现于4.25秒，最后合格帧为5.25秒；此前4.00秒上方仍是分离圆点等变形结构，之后5.50秒部分指尖贴片已消失，开始拆解回撤。选择4.50秒作为关键帧，手臂、手指及指尖轮廓清楚且无遮挡。","start_frame":102,"end_frame":132,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[295,250,1000,424],"positive_points":[[965,274],[762,320],[571,286],[431,321],[307,328],[363,408]],"negative_points":[[158,319],[458,506],[586,394],[685,201]],"evidence":"目标是从右侧伸入、末端张开手指且带深蓝指尖的洋红色波浪手臂。边界框紧贴可见手臂、手掌、手指及指尖色块，右端止于图像边缘。正点分布在波浪臂段、掌部及指尖；负点位于独立的帽子、圆形图案、白色图案和上方绿色背景，避开指缝。"}},{"name":"Returning white almond eye","description":"The tilted white almond eye, navy center, magenta upright brow, and rounded white lobe reappear above the center of the green composition.","membership":"Includes the eye's white surface and enclosed navy center, the adjoining white lobe, and magenta brow. Excludes the overhead arm and other facial symbols.","id":"obj_030","temporal":{"status":"found","start_s":4.25,"end_s":6.25,"reference_s":4.5,"evidence":"目标是绿色构图中央上方重新出现的倾斜白色杏仁眼，包含藏蓝色眼心、相邻白色圆瓣和竖直洋红眉。4.25秒首次完整呈现，前一帧4.00秒仍是未复原的线条与弧形。最后完整帧为6.00秒；6.25秒白色圆瓣开始缩减，随后眼部逐步消失，属于退出���程。选择4.50秒作为关键帧，目标结构清楚且无遮挡。","start_frame":102,"end_frame":150,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[506,345,673,469],"positive_points":[[520,380],[520,442],[604,371],[553,443],[576,409],[650,403]],"negative_points":[[571,288],[454,503],[704,441],[484,431]],"evidence":"目标位于画面中央偏上，是倾斜的白色杏仁眼，内有藏蓝色中心，右接圆白叶瓣，左侧为竖直洋红眉。框覆盖眼面、中心、白叶瓣及眉；正点分布于这些组成部分，负点位于上方洋红手臂、下方圆形符号及外围绿色背景。"}},{"name":"Returning circular eye","description":"The restored central eye again has a navy circular surround, white inner ring, magenta pupil, and mustard lashes. It gradually reduces to partial circular pieces near the end.","membership":"Includes the circular eye and its enclosed contents while closed, together with its lashes. As it opens and disappears, includes only the remaining colored pieces, not newly exposed background.","id":"obj_031","temporal":{"status":"found","start_s":4.25,"end_s":6.75,"reference_s":4.5,"evidence":"目标是恢复后的中央圆眼，具有海军蓝外圈、白色内环、洋红瞳孔和芥末黄色睫毛。首个合格帧为4.25秒，前一帧4.00秒仍是变形的水滴状结构；最后合格帧为6.50秒，6.75秒圆眼已开始解体，变成不完整的圆弧碎片，因此不纳入。选择4.50秒作为关键帧，圆眼及睫毛完整清晰、无遮挡。","start_frame":102,"end_frame":162,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[380.6,440.6,521.3,565.6],"positive_points":[[460,505],[477,515],[499,486],[454,548],[390,497],[416,451]],"negative_points":[[359,466],[583,409],[537,558],[370,685]],"evidence":"目标是画面中央的圆眼，具有海军蓝外圈、白色内环、洋红瞳孔及左侧芥黄色睫毛。边界框紧贴完整圆眼与睫毛；正点分布在瞳孔、内环、外圈和睫毛上，负点位于外部绿色背景及邻近白色形状、洋红折角和下方深色长条上。"}},{"name":"Returning navy raised hand","description":"A broad navy forearm and splayed hand again rise from the lower edge of the green composition, then withdraw downward.","membership":"Includes the visible forearm, palm, digits, and darker bottom patch. Excludes finger gaps and the nearby circular eye.","id":"obj_032","temporal":{"status":"found","start_s":4.25,"end_s":5.5,"reference_s":4.5,"evidence":"目标是绿色画面下缘再次出现的宽大海军蓝前臂及张开的手，包含底部深色补片，不含旁边圆眼。首个完整帧为4.25秒，最后完整帧为5.25秒；此前4.00秒仅见长条前臂及分离形状，手掌和手指尚未完整呈现，之后5.50秒手掌与手指已消失，仅余前臂，开始退出。选择4.50秒作为关键帧，手部轮廓完整清晰、无遮挡。","start_frame":102,"end_frame":132,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[258.8,558.8,458.1,1000],"positive_points":[[287,660],[334,585],[441,604],[380,651],[382,818],[389,992]],"negative_points":[[460,505],[533,626],[280,805],[465,835]],"evidence":"目标是从画面下缘伸出的藏蓝色前臂和张开的手。边界框紧贴可见手指、手掌、前臂及底部深色补丁，底边止于图像下缘。正点分布于手指、掌心、前臂和底部补丁；负点位于附近圆眼、右侧洋红图形及两侧外部绿色背景，未标记指缝。"}},{"name":"Returning angular magenta mouth","description":"The two-bar magenta open mouth with navy and mustard teeth reappears below and right of the circular eye and remains as the surrounding graphics disappear.","membership":"Includes both magenta jaw bars and their remaining teeth. Excludes the open background between the jaws.","id":"obj_033","temporal":{"status":"found","start_s":4.25,"end_s":6.75,"reference_s":5.0,"evidence":"目标是圆眼右下方重新出现的双条洋红色张口，包含深蓝色和芥黄色牙齿。首个合格帧为4.25秒，前一帧4.00秒尚无完整的角形双颚结构；最后合格帧为6.50秒，6.75秒下颚牙齿已消失，开始解体，故不纳入。选择5.00秒作为关键帧，双颚及牙齿完整清晰、无遮挡，便于标注。","start_frame":102,"end_frame":162,"reference_frame":120},"grounding":{"status":"found","bbox_xyxy":[464,508,606,658],"positive_points":[[548,537],[492,609],[581,642],[540,586],[569,553],[580,618]],"negative_points":[[457,541],[631,555],[544,691],[682,639]],"evidence":"目标位于圆形眼睛的右下方，由两条张开的洋红色颌条及藏蓝、芥黄色牙齿组成。边界框紧贴两条颌条和全部可见牙齿；正点分布在颌条与牙齿上，负点位于外部绿色背景、左侧圆眼及右侧橙色图形上，避开上下颌之间的空隙。"}},{"name":"Returning mustard E-like symbol","description":"The mustard rounded E-like motif with its magenta lower hook returns beneath the white waves and later breaks down into shorter pieces.","membership":"Includes the mustard outer curve, horizontal inner bar, and magenta hook, including their remaining fragments. Excludes the open background between them.","id":"obj_034","temporal":{"status":"found","start_s":4.25,"end_s":6.0,"reference_s":4.5,"evidence":"目标是白色波纹下方重新出现的芥末黄色圆角E形符号，包括内部横条和洋红色下钩。首个合格帧为4.25秒，最后合格帧为5.75秒；此前4.00秒仍是环形过渡结构，尚未完整恢复E形，之后6.00秒外弧开始缩短、下钩分离，进入拆解退出。选择4.50秒作为关键帧，因结构完整清晰且无遮挡。","start_frame":102,"end_frame":144,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[107,603,233,783],"positive_points":[[199,616],[119,670],[215,733],[185,675],[156,735],[184,770]],"negative_points":[[119,544],[362,731],[69,706],[247,778]],"evidence":"目标位于白色波纹下方、黑色竖形左侧，是芥黄色圆弧状E形及其底部洋红色钩。边界框紧贴外弧、独立横杠和下钩的整体可见范围；六个正点分布在这些实色部分，四个负点位于外部绿色背景、上方白色波纹及右侧黑色形体，避开目标内部空隙。"}},{"name":"Returning mustard double curl","description":"The mustard double-bend symbol with an upper magenta cross and lower navy-and-white circular detail returns at right, then progressively loses its details and curved ends.","membership":"Includes the mustard curve, cross, and circular detail with its enclosed center while present. Follows the open curve and excludes surrounding space.","id":"obj_035","temporal":{"status":"found","start_s":4.25,"end_s":5.75,"reference_s":4.5,"evidence":"目标是右侧重新出现的芥黄色双弯曲符号，包含上部洋红十字和下部海军蓝白心圆环。4.25秒首次完整恢复，5.50秒为最后完整帧；此前4.00秒仍是分离、变形的构件，之后5.75秒十字横臂开始缩短消退，6.00秒仅余小块。选择4.50秒作关键帧，结构完整清晰且无遮挡。","start_frame":102,"end_frame":138,"reference_frame":108},"grounding":{"status":"found","bbox_xyxy":[617.5,499,798,749],"positive_points":[[714,518],[787,580],[751,605],[656,625],[709,704],[654,725]],"negative_points":[[824,617],[743,779],[598,705],[549,624]],"evidence":"目标位于画面右侧，是带上部洋红十字及下部藏青白心圆环的芥黄色双弯曲符号。边界框紧贴黄色曲线、十字和圆形细节的整体范围；正点分布在两段曲线、十字及圆心上，负点位于外围绿色背景和左侧独立图形上，避开曲线内部空隙。"}}]}