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{"sample_id": "coco2014_000000441212", "source_dataset": "refcoco", "source_datasets": ["refcoco", "refcoco+"], "split": "testB", "coco_image_id": 441212, "image_path": "images/COCO_train2014_000000441212.jpg", "image_width": 640, "image_height": 427, "non_person_instance_count": 8, "categories": {"fire hydrant": 8}, "target_category": "fire hydrant", "target_instance_ids": [416443, 418008, 418083, 418087, 418104, 418120, 418147, 1387726], "target_instance_count": 8, "instances": [{"instance_id": 416443, "category_id": 11, "category_name": "fire hydrant", "bbox_xywh": [296.13, 172.04, 106.99, 152.84], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 418008, "category_id": 11, "category_name": "fire hydrant", "bbox_xywh": [237.97, 127.11, 71.96, 166.01], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 418083, "category_id": 11, "category_name": "fire hydrant", "bbox_xywh": [446.6, 129.84, 168.55, 261.74], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 418087, "category_id": 11, "category_name": "fire hydrant", "bbox_xywh": [200.91, 105.58, 51.79, 170.18], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 418104, "category_id": 11, "category_name": "fire hydrant", "bbox_xywh": [173.27, 180.5, 46.12, 84.24], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 418120, "category_id": 11, "category_name": "fire hydrant", "bbox_xywh": [139.69, 154.89, 37.67, 102.15], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 418147, "category_id": 11, "category_name": "fire hydrant", "bbox_xywh": [168.15, 180.43, 25.12, 80.37], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 1387726, "category_id": 11, "category_name": "fire hydrant", "bbox_xywh": [132.17, 204.75, 26.2, 48.11], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 2198004, "category_id": 11, "category_name": "fire hydrant", "bbox_xywh": [134.48, 210.38, 13.41, 39.93], "segmentation_available": true, "iscrowd": false, "eligible_for_count": false}], "referring_expressions": [{"source_dataset": "refcoco", "ref_id": 12299, "ann_id": 418083, "split": "testB", "expression": "black hydrant in front"}, {"source_dataset": "refcoco", "ref_id": 12299, "ann_id": 418083, "split": "testB", "expression": "blue hyrdant right"}, {"source_dataset": "refcoco", "ref_id": 12299, "ann_id": 418083, "split": "testB", "expression": "front fire hydrant"}, {"source_dataset": "refcoco", "ref_id": 12300, "ann_id": 416443, "split": "testB", "expression": "yellow fire hydrant"}, {"source_dataset": "refcoco", "ref_id": 12300, "ann_id": 416443, "split": "testB", "expression": "from right second hydrate"}, {"source_dataset": "refcoco", "ref_id": 12300, "ann_id": 416443, "split": "testB", "expression": "second hydrant"}, {"source_dataset": "refcoco+", "ref_id": 12260, "ann_id": 418083, "split": "testB", "expression": "black and blue hydrant close to us"}, {"source_dataset": "refcoco+", "ref_id": 12260, "ann_id": 418083, "split": "testB", "expression": "short black fire hydrant"}, {"source_dataset": "refcoco+", "ref_id": 12260, "ann_id": 418083, "split": "testB", "expression": "black hydrant"}, {"source_dataset": "refcoco+", "ref_id": 12261, "ann_id": 416443, "split": "testB", "expression": "light yellow"}, {"source_dataset": "refcoco+", "ref_id": 12261, "ann_id": 416443, "split": "testB", "expression": "lightest yellow"}, {"source_dataset": "refcoco+", "ref_id": 12261, "ann_id": 416443, "split": "testB", "expression": "short yellow hydrant"}], "layout_hint": "single_row", "selection_reason": "fire hydrant has 8 usable non-person instances; RefCOCO-family expressions available.", "coco_image_url": "https://images.cocodataset.org/train2014/COCO_train2014_000000441212.jpg"}
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{"sample_id": "coco2014_000000278570", "source_dataset": "coco2014", "source_datasets": ["coco2014"], "split": "unlabeled", "coco_image_id": 278570, "image_path": "images/COCO_val2014_000000278570.jpg", "image_width": 640, "image_height": 427, "non_person_instance_count": 4, "categories": {"fire hydrant": 4}, "target_category": "fire hydrant", "target_instance_ids": [417094, 417873, 417958, 2060333], "target_instance_count": 4, "instances": [{"instance_id": 417094, "category_id": 11, "category_name": "fire hydrant", "bbox_xywh": [346.4, 152.63, 60.45, 164.09], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 417873, "category_id": 11, "category_name": "fire hydrant", "bbox_xywh": [94.83, 141.54, 59.01, 171.12], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 417958, "category_id": 11, "category_name": "fire hydrant", "bbox_xywh": [207.86, 143.17, 62.95, 173.29], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 2060333, "category_id": 11, "category_name": "fire hydrant", "bbox_xywh": [470.53, 158.46, 57.71, 160.46], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}], "referring_expressions": [], "layout_hint": "single_row", "selection_reason": "fire hydrant has 4 usable non-person instances; RefCOCO-family expressions available.", "coco_image_url": "https://images.cocodataset.org/val2014/COCO_val2014_000000278570.jpg"}
{"sample_id": "coco2014_000000096339", "source_dataset": "coco2014", "source_datasets": ["coco2014"], "split": "unlabeled", "coco_image_id": 96339, "image_path": "images/COCO_train2014_000000096339.jpg", "image_width": 640, "image_height": 480, "non_person_instance_count": 6, "categories": {"car": 1, "parking meter": 4, "traffic light": 1}, "target_category": "parking meter", "target_instance_ids": [418891, 419125, 419190, 419246], "target_instance_count": 4, "instances": [{"instance_id": 403939, "category_id": 10, "category_name": "traffic light", "bbox_xywh": [35.88, 39.56, 26.18, 51.91], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 418891, "category_id": 14, "category_name": "parking meter", "bbox_xywh": [437.88, 211.4, 22.92, 57.0], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 419125, "category_id": 14, "category_name": "parking meter", "bbox_xywh": [319.67, 209.64, 20.44, 52.04], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 419190, "category_id": 14, "category_name": "parking meter", "bbox_xywh": [212.26, 205.32, 21.99, 52.33], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 419246, "category_id": 14, "category_name": "parking meter", "bbox_xywh": [123.97, 203.06, 24.47, 49.26], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 1772902, "category_id": 3, "category_name": "car", "bbox_xywh": [71.26, 155.89, 23.77, 15.98], "segmentation_available": true, "iscrowd": false, "eligible_for_count": false}, {"instance_id": 1774140, "category_id": 3, "category_name": "car", "bbox_xywh": [1.09, 146.84, 30.97, 42.28], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}], "referring_expressions": [], "layout_hint": "multi_row", "selection_reason": "parking meter has 4 usable non-person instances; RefCOCO-family expressions available.", "coco_image_url": "https://images.cocodataset.org/train2014/COCO_train2014_000000096339.jpg"}
{"sample_id": "coco2014_000000343235", "source_dataset": "coco2014", "source_datasets": ["coco2014"], "split": "unlabeled", "coco_image_id": 343235, "image_path": "images/COCO_train2014_000000343235.jpg", "image_width": 417, "image_height": 500, "non_person_instance_count": 4, "categories": {"cat": 4}, "target_category": "cat", "target_instance_ids": [48570, 49343, 1816418, 1816487], "target_instance_count": 4, "instances": [{"instance_id": 48570, "category_id": 17, "category_name": "cat", "bbox_xywh": [118.91, 266.88, 72.96, 122.16], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 49343, "category_id": 17, "category_name": "cat", "bbox_xywh": [198.92, 274.19, 68.82, 123.66], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 1816418, "category_id": 17, "category_name": "cat", "bbox_xywh": [76.02, 281.29, 76.09, 76.08], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 1816487, "category_id": 17, "category_name": "cat", "bbox_xywh": [263.59, 269.52, 47.33, 88.43], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}], "referring_expressions": [], "layout_hint": "single_row", "selection_reason": "cat has 4 usable non-person instances; RefCOCO-family expressions available.", "coco_image_url": "https://images.cocodataset.org/train2014/COCO_train2014_000000343235.jpg"}
{"sample_id": "coco2014_000000388511", "source_dataset": "coco2014", "source_datasets": ["coco2014"], "split": "unlabeled", "coco_image_id": 388511, "image_path": "images/COCO_train2014_000000388511.jpg", "image_width": 640, "image_height": 429, "non_person_instance_count": 4, "categories": {"scissors": 4}, "target_category": "scissors", "target_instance_ids": [1672369, 1672441, 1672473, 1672509], "target_instance_count": 4, "instances": [{"instance_id": 1672369, "category_id": 87, "category_name": "scissors", "bbox_xywh": [282.15, 164.61, 105.46, 114.32], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 1672441, "category_id": 87, "category_name": "scissors", "bbox_xywh": [164.19, 150.39, 81.63, 126.77], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 1672473, "category_id": 87, "category_name": "scissors", "bbox_xywh": [44.75, 144.89, 67.22, 133.23], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 1672509, "category_id": 87, "category_name": "scissors", "bbox_xywh": [414.41, 170.4, 110.02, 106.06], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 2146861, "category_id": 87, "category_name": "scissors", "bbox_xywh": [571.09, 167.66, 51.25, 21.25], "segmentation_available": true, "iscrowd": false, "eligible_for_count": false}], "referring_expressions": [], "layout_hint": "single_row", "selection_reason": "scissors has 4 usable non-person instances; RefCOCO-family expressions available.", "coco_image_url": "https://images.cocodataset.org/train2014/COCO_train2014_000000388511.jpg"}
{"sample_id": "coco2014_000000414324", "source_dataset": "coco2014", "source_datasets": ["coco2014"], "split": "unlabeled", "coco_image_id": 414324, "image_path": "images/COCO_val2014_000000414324.jpg", "image_width": 640, "image_height": 425, "non_person_instance_count": 5, "categories": {"sink": 5}, "target_category": "sink", "target_instance_ids": [1131857, 1131973, 1136026, 1136103, 1136458], "target_instance_count": 5, "instances": [{"instance_id": 1131857, "category_id": 81, "category_name": "sink", "bbox_xywh": [82.15, 316.33, 114.65, 42.78], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 1131973, "category_id": 81, "category_name": "sink", "bbox_xywh": [151.85, 319.78, 121.3, 46.8], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 1136026, "category_id": 81, "category_name": "sink", "bbox_xywh": [228.26, 344.07, 143.15, 45.59], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 1136103, "category_id": 81, "category_name": "sink", "bbox_xywh": [328.54, 362.92, 167.13, 56.35], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 1136458, "category_id": 81, "category_name": "sink", "bbox_xywh": [463.64, 388.51, 176.36, 36.49], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}], "referring_expressions": [], "layout_hint": "single_row", "selection_reason": "sink has 5 usable non-person instances; RefCOCO-family expressions available.", "coco_image_url": "https://images.cocodataset.org/val2014/COCO_val2014_000000414324.jpg"}
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{"sample_id": "coco2014_000000576160", "source_dataset": "coco2014", "source_datasets": ["coco2014"], "split": "unlabeled", "coco_image_id": 576160, "image_path": "images/COCO_val2014_000000576160.jpg", "image_width": 640, "image_height": 480, "non_person_instance_count": 5, "categories": {"sink": 4, "toilet": 1}, "target_category": "sink", "target_instance_ids": [1134465, 1135165, 1982079, 1982142], "target_instance_count": 4, "instances": [{"instance_id": 1093832, "category_id": 70, "category_name": "toilet", "bbox_xywh": [595.57, 301.25, 31.54, 43.63], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 1134465, "category_id": 81, "category_name": "sink", "bbox_xywh": [76.76, 380.0, 76.75, 29.19], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 1135165, "category_id": 81, "category_name": "sink", "bbox_xywh": [183.45, 397.32, 85.76, 21.25], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 1982079, "category_id": 81, "category_name": "sink", "bbox_xywh": [317.45, 404.79, 99.7, 26.92], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 1982142, "category_id": 81, "category_name": "sink", "bbox_xywh": [479.03, 392.79, 142.3, 65.81], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}], "referring_expressions": [], "layout_hint": "mixed", "selection_reason": "sink has 4 usable non-person instances; RefCOCO-family expressions available.", "coco_image_url": "https://images.cocodataset.org/val2014/COCO_val2014_000000576160.jpg"}
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{"sample_id": "coco2014_000000334109", "source_dataset": "refcoco", "source_datasets": ["refcoco", "refcoco+"], "split": "train", "coco_image_id": 334109, "image_path": "images/COCO_train2014_000000334109.jpg", "image_width": 640, "image_height": 427, "non_person_instance_count": 5, "categories": {"remote": 5}, "target_category": "remote", "target_instance_ids": [1112665, 1112856, 1630438, 1631199, 1633492], "target_instance_count": 5, "instances": [{"instance_id": 1112665, "category_id": 75, "category_name": "remote", "bbox_xywh": [269.63, 112.27, 128.58, 213.02], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 1112856, "category_id": 75, "category_name": "remote", "bbox_xywh": [20.15, 97.87, 180.4, 255.24], "segmentation_available": true, "iscrowd": false, "eligible_for_count": true}, {"instance_id": 1630438, "category_id": 75, "category_name": "remote", "bbox_xywh": [379.02, 90.26, 126.66, 237.97], "segmentation_available": true, 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"train", "expression": "white one"}, {"source_dataset": "refcoco+", "ref_id": 21276, "ann_id": 1630438, "split": "train", "expression": "gray remote with black begining"}, {"source_dataset": "refcoco+", "ref_id": 21276, "ann_id": 1630438, "split": "train", "expression": "gray remote next to black one"}, {"source_dataset": "refcoco+", "ref_id": 21276, "ann_id": 1630438, "split": "train", "expression": "silver remote next to black remote with green bottons"}, {"source_dataset": "refcoco+", "ref_id": 21277, "ann_id": 1112856, "split": "train", "expression": "remote with teal buttons"}, {"source_dataset": "refcoco+", "ref_id": 21277, "ann_id": 1112856, "split": "train", "expression": "black with white and green buttons touching white"}, {"source_dataset": "refcoco+", "ref_id": 21278, "ann_id": 1112665, "split": "train", "expression": "gray remote"}, {"source_dataset": "refcoco+", "ref_id": 21278, "ann_id": 1112665, "split": "train", "expression": "with 2 reds"}, {"source_dataset": 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