{
  "dataset_name": "VSTAT",
  "version": "1.0",
  "video_root": "./videos",
  "data": {
    "basketball": [
      {
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        "source_task": "basketball",
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        "answer_type": "numeric",
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          "multi_entity_attribution",
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        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:00:00",
        "end_time": "00:01:02",
        "start_sec": 0,
        "end_sec": 62,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q2",
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        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that attempt a pass in the video? Excluding the ball checking.",
        "answer_type": "numeric",
        "answer": 5,
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          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:00:00",
        "end_time": "00:01:02",
        "start_sec": 0,
        "end_sec": 62,
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        "answer_index": null
      },
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        "video_id": "0001_pt1_q3",
        "video_path": "videos/youtube/basketball/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that get possession of the ball in the video? Excluding the ball checking.",
        "answer_type": "numeric",
        "answer": 8,
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          "occlusion"
        ],
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        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:00:00",
        "end_time": "00:01:02",
        "start_sec": 0,
        "end_sec": 62,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt10_q0",
        "video_path": "videos/youtube/basketball/0001_pt10.mp4",
        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that make a shot attempt in the video?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:09:47",
        "end_time": "00:10:42",
        "start_sec": 587,
        "end_sec": 642,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt10_q1",
        "video_path": "videos/youtube/basketball/0001_pt10.mp4",
        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that attempt a pass in the video? Excluding the ball checking.",
        "answer_type": "numeric",
        "answer": 6,
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          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:09:47",
        "end_time": "00:10:42",
        "start_sec": 587,
        "end_sec": 642,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt10_q2",
        "video_path": "videos/youtube/basketball/0001_pt10.mp4",
        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that get possession of the ball in the video? Excluding the ball checking.",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
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          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:09:47",
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        "start_sec": 587,
        "end_sec": 642,
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        "answer_index": null
      },
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        "video_id": "0001_pt2_q0",
        "video_path": "videos/youtube/basketball/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that make a shot attempt in the video?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:01:17",
        "end_time": "00:02:11",
        "start_sec": 77,
        "end_sec": 131,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt2_q1",
        "video_path": "videos/youtube/basketball/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that attempt a pass in the video? Excluding the ball checking.",
        "answer_type": "numeric",
        "answer": 4,
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          "action_ambiguity",
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        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:01:17",
        "end_time": "00:02:11",
        "start_sec": 77,
        "end_sec": 131,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt2_q2",
        "video_path": "videos/youtube/basketball/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that get possession of the ball in the video? Excluding the ball checking.",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
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          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:01:17",
        "end_time": "00:02:11",
        "start_sec": 77,
        "end_sec": 131,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt3_q0",
        "video_path": "videos/youtube/basketball/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "basketball",
        "question": "How many goal attempts are made in the video?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
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          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:02:20",
        "end_time": "00:03:24",
        "start_sec": 140,
        "end_sec": 204,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt3_q1",
        "video_path": "videos/youtube/basketball/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that make a shot attempt in the video?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
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          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:02:20",
        "end_time": "00:03:24",
        "start_sec": 140,
        "end_sec": 204,
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        "answer_index": null
      },
      {
        "video_id": "0001_pt3_q2",
        "video_path": "videos/youtube/basketball/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that attempt a pass in the video? Excluding the ball checking.",
        "answer_type": "numeric",
        "answer": 7,
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        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:02:20",
        "end_time": "00:03:24",
        "start_sec": 140,
        "end_sec": 204,
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      },
      {
        "video_id": "0001_pt3_q3",
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        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that get possession of the ball in the video? Excluding the ball checking.",
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        "state_element_type": "attribute",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:02:20",
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        "start_sec": 140,
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      },
      {
        "video_id": "0001_pt4_q0",
        "video_path": "videos/youtube/basketball/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "basketball",
        "question": "How many times is the ball served in the video?",
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        "answer": 3,
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          "multi_entity_attribution",
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        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:03:30",
        "end_time": "00:04:30",
        "start_sec": 210,
        "end_sec": 270,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt4_q1",
        "video_path": "videos/youtube/basketball/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that make a shot attempt in the video?",
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        "answer": 3,
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        "state_element_type": "attribute",
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        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:03:30",
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        "start_sec": 210,
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      },
      {
        "video_id": "0001_pt4_q2",
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        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that attempt a pass in the video? Excluding the ball checking.",
        "answer_type": "numeric",
        "answer": 5,
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        "state_element_type": "attribute",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:03:30",
        "end_time": "00:04:30",
        "start_sec": 210,
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      {
        "video_id": "0001_pt4_q3",
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        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that get possession of the ball in the video? Excluding the ball checking.",
        "answer_type": "numeric",
        "answer": 6,
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        "state_element_type": "attribute",
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        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
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        "video_id": "0001_pt5_q0",
        "video_path": "videos/youtube/basketball/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the total field goal percentage in the video? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 20,
        "perceptual_complexity": [
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          "multi_entity_attribution",
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        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:04:40",
        "end_time": "00:05:40",
        "start_sec": 280,
        "end_sec": 340,
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      {
        "video_id": "0001_pt5_q1",
        "video_path": "videos/youtube/basketball/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that make a shot attempt in the video?",
        "answer_type": "numeric",
        "answer": 3,
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        "state_element_type": "attribute",
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        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:04:40",
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        "start_sec": 280,
        "end_sec": 340,
        "choices": [],
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      },
      {
        "video_id": "0001_pt5_q2",
        "video_path": "videos/youtube/basketball/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that attempt a pass in the video? Excluding the ball checking.",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
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        "state_element_type": "attribute",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:04:40",
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        "start_sec": 280,
        "end_sec": 340,
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      },
      {
        "video_id": "0001_pt5_q3",
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        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that get possession of the ball in the video? Excluding the ball checking.",
        "answer_type": "numeric",
        "answer": 5,
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        "state_element_type": "attribute",
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        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
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      },
      {
        "video_id": "0001_pt6_q0",
        "video_path": "videos/youtube/basketball/0001_pt6.mp4",
        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the total field goal percentage in the video? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 25,
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        "start_time": "00:05:50",
        "end_time": "00:06:40",
        "start_sec": 350,
        "end_sec": 400,
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      },
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        "video_id": "0001_pt6_q1",
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        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that make a shot attempt in the video?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
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        "state_element_type": "attribute",
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        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
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        "start_sec": 350,
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        "video_id": "0001_pt6_q2",
        "video_path": "videos/youtube/basketball/0001_pt6.mp4",
        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that attempt a pass in the video? Excluding the ball checking.",
        "answer_type": "numeric",
        "answer": 5,
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        "state_element_type": "attribute",
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        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
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        "end_sec": 400,
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      },
      {
        "video_id": "0001_pt6_q3",
        "video_path": "videos/youtube/basketball/0001_pt6.mp4",
        "video_source": "youtube",
        "source_task": "basketball",
        "question": "What's the number of **different** players that get possession of the ball in the video? Excluding the ball checking.",
        "answer_type": "numeric",
        "answer": 7,
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        "state_element_type": "attribute",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=1X4LJqjGVlM",
        "youtube_id": "1X4LJqjGVlM",
        "youtube_title": "Fair Oaks 125",
        "start_time": "00:05:50",
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        "start_sec": 350,
        "end_sec": 400,
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      },
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        "video_id": "0001_pt7_q0",
        "video_path": "videos/youtube/basketball/0001_pt7.mp4",
        "video_source": "youtube",
        "source_task": "basketball",
        "question": "How many passes are made by the end of the video?",
        "answer_type": "numeric",
        "answer": 9,
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        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 11,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0013_pt1",
        "video_path": "videos/synthetic/block_counting/0013_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 9,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0014_pt1",
        "video_path": "videos/synthetic/block_counting/0014_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 8,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0015_pt1",
        "video_path": "videos/synthetic/block_counting/0015_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 8,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0016_pt1",
        "video_path": "videos/synthetic/block_counting/0016_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 13,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0017_pt1",
        "video_path": "videos/synthetic/block_counting/0017_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 8,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0018_pt1",
        "video_path": "videos/synthetic/block_counting/0018_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 8,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0019_pt1",
        "video_path": "videos/synthetic/block_counting/0019_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 13,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0020_pt1",
        "video_path": "videos/synthetic/block_counting/0020_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 10,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0021_pt1",
        "video_path": "videos/synthetic/block_counting/0021_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 9,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0022_pt1",
        "video_path": "videos/synthetic/block_counting/0022_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 10,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0023_pt1",
        "video_path": "videos/synthetic/block_counting/0023_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 10,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0024_pt1",
        "video_path": "videos/synthetic/block_counting/0024_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 12,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0025_pt1",
        "video_path": "videos/synthetic/block_counting/0025_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 8,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0026_pt1",
        "video_path": "videos/synthetic/block_counting/0026_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 11,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0027_pt1",
        "video_path": "videos/synthetic/block_counting/0027_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 14,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0028_pt1",
        "video_path": "videos/synthetic/block_counting/0028_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 9,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0029_pt1",
        "video_path": "videos/synthetic/block_counting/0029_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 9,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0030_pt1",
        "video_path": "videos/synthetic/block_counting/0030_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 13,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0031_pt1",
        "video_path": "videos/synthetic/block_counting/0031_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 9,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0032_pt1",
        "video_path": "videos/synthetic/block_counting/0032_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 11,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0033_pt1",
        "video_path": "videos/synthetic/block_counting/0033_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 9,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0034_pt1",
        "video_path": "videos/synthetic/block_counting/0034_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 8,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0035_pt1",
        "video_path": "videos/synthetic/block_counting/0035_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 10,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0036_pt1",
        "video_path": "videos/synthetic/block_counting/0036_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 8,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0037_pt1",
        "video_path": "videos/synthetic/block_counting/0037_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 11,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0038_pt1",
        "video_path": "videos/synthetic/block_counting/0038_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 10,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0039_pt1",
        "video_path": "videos/synthetic/block_counting/0039_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 11,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0040_pt1",
        "video_path": "videos/synthetic/block_counting/0040_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 8,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0041_pt1",
        "video_path": "videos/synthetic/block_counting/0041_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 11,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0042_pt1",
        "video_path": "videos/synthetic/block_counting/0042_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 11,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0043_pt1",
        "video_path": "videos/synthetic/block_counting/0043_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 14,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0044_pt1",
        "video_path": "videos/synthetic/block_counting/0044_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 10,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0045_pt1",
        "video_path": "videos/synthetic/block_counting/0045_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 9,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0046_pt1",
        "video_path": "videos/synthetic/block_counting/0046_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 10,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0047_pt1",
        "video_path": "videos/synthetic/block_counting/0047_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 9,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0048_pt1",
        "video_path": "videos/synthetic/block_counting/0048_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 9,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0049_pt1",
        "video_path": "videos/synthetic/block_counting/0049_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 13,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0050_pt1",
        "video_path": "videos/synthetic/block_counting/0050_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "block_counting",
        "question": "The video first shows an initial central block structure. Then the camera keeps moving while a robot hand makes several add/remove attempts. After all actions finish, how many blocks remain in the central structure?",
        "answer_type": "numeric",
        "answer": 12,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      }
    ],
    "book": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/self_recorded/book/0001_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "book",
        "question": "From the reader's perspective, how many pages were turned? Answer with a positive number if the page number increased (turned forward), a negative number if it decreased (turned backward), or 0 if it remained the same.",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/self_recorded/book/0002_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "book",
        "question": "From the reader's perspective, how many pages were turned? Answer with a positive number if the page number increased (turned forward), a negative number if it decreased (turned backward), or 0 if it remained the same.",
        "answer_type": "numeric",
        "answer": -2,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/self_recorded/book/0003_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "book",
        "question": "From the reader's perspective, how many pages were turned? Answer with a positive number if the page number increased (turned forward), a negative number if it decreased (turned backward), or 0 if it remained the same.",
        "answer_type": "numeric",
        "answer": 0,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt1",
        "video_path": "videos/self_recorded/book/0004_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "book",
        "question": "From the reader's perspective, how many pages were turned? Answer with a positive number if the page number increased (turned forward), a negative number if it decreased (turned backward), or 0 if it remained the same.",
        "answer_type": "numeric",
        "answer": -5,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt1",
        "video_path": "videos/self_recorded/book/0005_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "book",
        "question": "From the reader's perspective, how many pages were turned? Answer with a positive number if the page number increased (turned forward), a negative number if it decreased (turned backward), or 0 if it remained the same.",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0006_pt1",
        "video_path": "videos/self_recorded/book/0006_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "book",
        "question": "From the reader's perspective, how many pages were turned? Answer with a positive number if the page number increased (turned forward), a negative number if it decreased (turned backward), or 0 if it remained the same.",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0007_pt1",
        "video_path": "videos/self_recorded/book/0007_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "book",
        "question": "From the reader's perspective, how many pages were turned? Answer with a positive number if the page number increased (turned forward), a negative number if it decreased (turned backward), or 0 if it remained the same.",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0008_pt1",
        "video_path": "videos/self_recorded/book/0008_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "book",
        "question": "From the reader's perspective, how many pages were turned? Answer with a positive number if the page number increased (turned forward), a negative number if it decreased (turned backward), or 0 if it remained the same.",
        "answer_type": "numeric",
        "answer": -1,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0009_pt1",
        "video_path": "videos/self_recorded/book/0009_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "book",
        "question": "From the reader's perspective, how many pages were turned? Answer with a positive number if the page number increased (turned forward), a negative number if it decreased (turned backward), or 0 if it remained the same.",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0010_pt1",
        "video_path": "videos/self_recorded/book/0010_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "book",
        "question": "From the reader's perspective, how many pages were turned? Answer with a positive number if the page number increased (turned forward), a negative number if it decreased (turned backward), or 0 if it remained the same.",
        "answer_type": "numeric",
        "answer": -1,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      }
    ],
    "bouldering": [
      {
        "video_id": "0001_pt1_q0",
        "video_path": "videos/youtube/bouldering/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "How many times does the climber's hands or feet touch the lit holds?",
        "answer_type": "numeric",
        "answer": 16,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=sN8Yzcd7NJs",
        "youtube_id": "sN8Yzcd7NJs",
        "youtube_title": "Kilter Board V10 “monkey corporation” @ 45°",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q1",
        "video_path": "videos/youtube/bouldering/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "What's the maximum number of touches the climber's hands or feet make to a single lit holds?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=sN8Yzcd7NJs",
        "youtube_id": "sN8Yzcd7NJs",
        "youtube_title": "Kilter Board V10 “monkey corporation” @ 45°",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q0",
        "video_path": "videos/youtube/bouldering/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "How many times does the climber's hands or feet touch the lit holds?",
        "answer_type": "numeric",
        "answer": 14,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=wn2okX1bTcQ",
        "youtube_id": "wn2okX1bTcQ",
        "youtube_title": "\"Master Chief\" @ 40° on the Kilter Board Original.",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q1",
        "video_path": "videos/youtube/bouldering/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "What's the maximum number of touches the climber's hands or feet make to a single lit holds?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=wn2okX1bTcQ",
        "youtube_id": "wn2okX1bTcQ",
        "youtube_title": "\"Master Chief\" @ 40° on the Kilter Board Original.",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1_q0",
        "video_path": "videos/youtube/bouldering/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "How many times does the climber's hands or feet touch the lit holds?",
        "answer_type": "numeric",
        "answer": 14,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=B5cNn-IsjHk",
        "youtube_id": "B5cNn-IsjHk",
        "youtube_title": "Kilter Board Training || \"proj braj\" V7/7a+ @ 40degrees",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1_q1",
        "video_path": "videos/youtube/bouldering/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "What's the maximum number of touches the climber's hands or feet make to a single lit holds?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=B5cNn-IsjHk",
        "youtube_id": "B5cNn-IsjHk",
        "youtube_title": "Kilter Board Training || \"proj braj\" V7/7a+ @ 40degrees",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt1_q0",
        "video_path": "videos/youtube/bouldering/0004_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "How many times does the climber's hands or feet touch the lit holds?",
        "answer_type": "numeric",
        "answer": 16,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=mn9LFwR9SKw",
        "youtube_id": "mn9LFwR9SKw",
        "youtube_title": "Kilter Board V4 \"Mike's Hard Lemonade\" @ 40° #kilterboard #bouldering",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt1_q1",
        "video_path": "videos/youtube/bouldering/0004_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "What's the maximum number of touches the climber's hands or feet make to a single lit holds?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=mn9LFwR9SKw",
        "youtube_id": "mn9LFwR9SKw",
        "youtube_title": "Kilter Board V4 \"Mike's Hard Lemonade\" @ 40° #kilterboard #bouldering",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt1_q0",
        "video_path": "videos/youtube/bouldering/0005_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "How many times does the climber's hands or feet touch the lit holds?",
        "answer_type": "numeric",
        "answer": 15,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=CEIwzR7KEns",
        "youtube_id": "CEIwzR7KEns",
        "youtube_title": "Kilter Board V8 “Great good best” @ 40 degrees #kilterboard #bouldering",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt1_q1",
        "video_path": "videos/youtube/bouldering/0005_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "What's the maximum number of touches the climber's hands or feet make to a single lit holds?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
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          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=CEIwzR7KEns",
        "youtube_id": "CEIwzR7KEns",
        "youtube_title": "Kilter Board V8 “Great good best” @ 40 degrees #kilterboard #bouldering",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0006_pt1_q0",
        "video_path": "videos/youtube/bouldering/0006_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "How many times does the climber's hands or feet touch the lit holds?",
        "answer_type": "numeric",
        "answer": 17,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=8HBe71_M2bs",
        "youtube_id": "8HBe71_M2bs",
        "youtube_title": "Kilterboard V5 \"Priest Drawn\" @ 40° on the Kilter Board Original. #kilterboard #climbing #bouldering",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0006_pt1_q1",
        "video_path": "videos/youtube/bouldering/0006_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "What's the maximum number of touches the climber's hands or feet make to a single lit holds?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
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          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=8HBe71_M2bs",
        "youtube_id": "8HBe71_M2bs",
        "youtube_title": "Kilterboard V5 \"Priest Drawn\" @ 40° on the Kilter Board Original. #kilterboard #climbing #bouldering",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0007_pt1_q0",
        "video_path": "videos/youtube/bouldering/0007_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "How many times does the climber's hands or feet touch the lit holds?",
        "answer_type": "numeric",
        "answer": 14,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=k5NTPom2SFs",
        "youtube_id": "k5NTPom2SFs",
        "youtube_title": "Wagon at home (8a+/v12), Kilter Board at 50° #bouldering #climbing #shorts",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0007_pt1_q1",
        "video_path": "videos/youtube/bouldering/0007_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "What's the maximum number of touches the climber's hands or feet make to a single lit holds?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
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          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=k5NTPom2SFs",
        "youtube_id": "k5NTPom2SFs",
        "youtube_title": "Wagon at home (8a+/v12), Kilter Board at 50° #bouldering #climbing #shorts",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0008_pt1_q0",
        "video_path": "videos/youtube/bouldering/0008_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "How many times does the climber's hands or feet touch the lit holds?",
        "answer_type": "numeric",
        "answer": 21,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=2RZHzZEbLkU",
        "youtube_id": "2RZHzZEbLkU",
        "youtube_title": "7C/V9 \"Sequences\" @ 40° on the Kilter Board Original.  #kilterboard #climbing #bouldering",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0008_pt1_q1",
        "video_path": "videos/youtube/bouldering/0008_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "What's the maximum number of touches the climber's hands or feet make to a single lit holds?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
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          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=2RZHzZEbLkU",
        "youtube_id": "2RZHzZEbLkU",
        "youtube_title": "7C/V9 \"Sequences\" @ 40° on the Kilter Board Original.  #kilterboard #climbing #bouldering",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0009_pt1_q0",
        "video_path": "videos/youtube/bouldering/0009_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "How many times does the climber's hands or feet touch the lit holds?",
        "answer_type": "numeric",
        "answer": 16,
        "perceptual_complexity": [
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          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=Uo_AwsDgfVo",
        "youtube_id": "Uo_AwsDgfVo",
        "youtube_title": "Legen-Darry 8A @ 50° on the Kilter Board Original.  #kilterboard #climbing #bouldering",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0009_pt1_q1",
        "video_path": "videos/youtube/bouldering/0009_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "What's the maximum number of touches the climber's hands or feet make to a single lit holds?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=Uo_AwsDgfVo",
        "youtube_id": "Uo_AwsDgfVo",
        "youtube_title": "Legen-Darry 8A @ 50° on the Kilter Board Original.  #kilterboard #climbing #bouldering",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0010_pt1_q0",
        "video_path": "videos/youtube/bouldering/0010_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "How many times does the climber's hands or feet touch the lit holds?",
        "answer_type": "numeric",
        "answer": 18,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=T5zAC8Mxoe8",
        "youtube_id": "T5zAC8Mxoe8",
        "youtube_title": "\"swooped\" @ 40° on the Kilter Board Original.  @auroraclimbing #kilterboard #climbing #bouldering",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0010_pt1_q1",
        "video_path": "videos/youtube/bouldering/0010_pt1.mp4",
        "video_source": "youtube",
        "source_task": "bouldering",
        "question": "What's the maximum number of touches the climber's hands or feet make to a single lit holds?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=T5zAC8Mxoe8",
        "youtube_id": "T5zAC8Mxoe8",
        "youtube_title": "\"swooped\" @ 40° on the Kilter Board Original.  @auroraclimbing #kilterboard #climbing #bouldering",
        "start_time": "00:00:00",
        "end_time": "none",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      }
    ],
    "boxing": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/youtube/boxing/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "How many punches does the boxer with red and white gloves throw?",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=7bx2SrjBSQI",
        "youtube_id": "7bx2SrjBSQI",
        "youtube_title": "Jaron Ennis (USA) vs Sergey Lipinets (Kazakhstan) | Boxing Fight Highlights",
        "start_time": "00:01:08",
        "end_time": "00:01:20",
        "start_sec": 68,
        "end_sec": 80,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt2",
        "video_path": "videos/youtube/boxing/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "How many punches does the boxer with organge shorts throw?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=7bx2SrjBSQI",
        "youtube_id": "7bx2SrjBSQI",
        "youtube_title": "Jaron Ennis (USA) vs Sergey Lipinets (Kazakhstan) | Boxing Fight Highlights",
        "start_time": "00:01:57.967",
        "end_time": "00:02:09.033",
        "start_sec": 117.967,
        "end_sec": 129.033,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt3",
        "video_path": "videos/youtube/boxing/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "How many punches does the boxer with red and white gloves throw?",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=7bx2SrjBSQI",
        "youtube_id": "7bx2SrjBSQI",
        "youtube_title": "Jaron Ennis (USA) vs Sergey Lipinets (Kazakhstan) | Boxing Fight Highlights",
        "start_time": "00:02:38.967",
        "end_time": "00:02:56.033",
        "start_sec": 158.967,
        "end_sec": 176.033,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt4_q0",
        "video_path": "videos/youtube/boxing/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "How many punches does the boxer with organge shorts throw?",
        "answer_type": "numeric",
        "answer": 8,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=7bx2SrjBSQI",
        "youtube_id": "7bx2SrjBSQI",
        "youtube_title": "Jaron Ennis (USA) vs Sergey Lipinets (Kazakhstan) | Boxing Fight Highlights",
        "start_time": "00:03:26",
        "end_time": "00:03:36",
        "start_sec": 206,
        "end_sec": 216,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt4_q1",
        "video_path": "videos/youtube/boxing/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "What is the order of the punches thrown\n\n(A) [boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with pink shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes]\n(B) [boxer with pink shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes]\n(C) [boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with pink shoes]\n(D) [boxer with blue shoes, boxer with blue shoes, boxer with pink shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes]",
        "answer_type": "mcq",
        "choices": [
          "[boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with pink shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes]",
          "[boxer with pink shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes]",
          "[boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with pink shoes]",
          "[boxer with blue shoes, boxer with blue shoes, boxer with pink shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes, boxer with blue shoes]"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=7bx2SrjBSQI",
        "youtube_id": "7bx2SrjBSQI",
        "youtube_title": "Jaron Ennis (USA) vs Sergey Lipinets (Kazakhstan) | Boxing Fight Highlights",
        "start_time": "00:03:26",
        "end_time": "00:03:36",
        "start_sec": 206,
        "end_sec": 216
      },
      {
        "video_id": "0001_pt5",
        "video_path": "videos/youtube/boxing/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "How many punches does the boxer with red and white gloves throw?",
        "answer_type": "numeric",
        "answer": 8,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=7bx2SrjBSQI",
        "youtube_id": "7bx2SrjBSQI",
        "youtube_title": "Jaron Ennis (USA) vs Sergey Lipinets (Kazakhstan) | Boxing Fight Highlights",
        "start_time": "00:04:13.967",
        "end_time": "00:04:30.033",
        "start_sec": 253.967,
        "end_sec": 270.033,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q0",
        "video_path": "videos/youtube/boxing/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "How many punches does the boxer with black pants throw?",
        "answer_type": "numeric",
        "answer": 9,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=9CWSS3X3q7k",
        "youtube_id": "9CWSS3X3q7k",
        "youtube_title": "Heavyweight Boxing! Deontay Wilder (USA) vs Tyrrell Herndon (USA) | Fight Highlights",
        "start_time": "00:01:06",
        "end_time": "00:01:21",
        "start_sec": 66,
        "end_sec": 81,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q1",
        "video_path": "videos/youtube/boxing/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "What is the order of the jabs (left hand punch) (the jab does not have to hit the opponent)\n\n(A) [boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with red shorts, boxer with red shorts, boxer with black shorts, boxer with red shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts]\n(B) [boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with red shorts, boxer with black shorts, boxer with red shorts, boxer with red shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts]\n(C) [boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with red shorts, boxer with red shorts, boxer with red shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts]\n(D) [boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with red shorts, boxer with red shorts, boxer with red shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts]",
        "answer_type": "mcq",
        "choices": [
          "[boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with red shorts, boxer with red shorts, boxer with black shorts, boxer with red shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts]",
          "[boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with red shorts, boxer with black shorts, boxer with red shorts, boxer with red shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts]",
          "[boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with red shorts, boxer with red shorts, boxer with red shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts]",
          "[boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with red shorts, boxer with red shorts, boxer with red shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts]"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=9CWSS3X3q7k",
        "youtube_id": "9CWSS3X3q7k",
        "youtube_title": "Heavyweight Boxing! Deontay Wilder (USA) vs Tyrrell Herndon (USA) | Fight Highlights",
        "start_time": "00:01:06",
        "end_time": "00:01:21",
        "start_sec": 66,
        "end_sec": 81
      },
      {
        "video_id": "0002_pt2_q0",
        "video_path": "videos/youtube/boxing/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "How many punches does the boxer with black pants throw?",
        "answer_type": "numeric",
        "answer": 9,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=9CWSS3X3q7k",
        "youtube_id": "9CWSS3X3q7k",
        "youtube_title": "Heavyweight Boxing! Deontay Wilder (USA) vs Tyrrell Herndon (USA) | Fight Highlights",
        "start_time": "00:03:17",
        "end_time": "00:03:32",
        "start_sec": 197,
        "end_sec": 212,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt2_q1",
        "video_path": "videos/youtube/boxing/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "what is the order of the side of punch thrown by the boxer with black shorts\n\n(A) [left, left, left, left, left, left, left, left, right]\n(B) [left, left, right, left, left, left, left, left, left]\n(C) [right, left, left, left, left, left, left, left, left]\n(D) [left, left, left, left, left, left, left, right, left]",
        "answer_type": "mcq",
        "choices": [
          "[left, left, left, left, left, left, left, left, right]",
          "[left, left, right, left, left, left, left, left, left]",
          "[right, left, left, left, left, left, left, left, left]",
          "[left, left, left, left, left, left, left, right, left]"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=9CWSS3X3q7k",
        "youtube_id": "9CWSS3X3q7k",
        "youtube_title": "Heavyweight Boxing! Deontay Wilder (USA) vs Tyrrell Herndon (USA) | Fight Highlights",
        "start_time": "00:03:17",
        "end_time": "00:03:32",
        "start_sec": 197,
        "end_sec": 212
      },
      {
        "video_id": "0002_pt3_q0",
        "video_path": "videos/youtube/boxing/0002_pt3.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "How many punches does the boxer with black pants throw?",
        "answer_type": "numeric",
        "answer": 12,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=9CWSS3X3q7k",
        "youtube_id": "9CWSS3X3q7k",
        "youtube_title": "Heavyweight Boxing! Deontay Wilder (USA) vs Tyrrell Herndon (USA) | Fight Highlights",
        "start_time": "00:08:25",
        "end_time": "00:08:41",
        "start_sec": 505,
        "end_sec": 521,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt3_q1",
        "video_path": "videos/youtube/boxing/0002_pt3.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "what is the order of the side of punch thrown by the boxer with black shorts (does not have to hit/touch the opponent, half way of a punch also counts as a punch)\n\n(A) [right, left, left, left, left, left, left, left, left, left, left, left, left, right]\n(B) [left, right, left, left, left, left, left, left, left, left, left, left, left, right]\n(C) [left, left, left, left, left, left, left, left, left, left, left, left, right, right]\n(D) [left, left, left, left, left, left, left, left, right, left, left, left, left, right]",
        "answer_type": "mcq",
        "choices": [
          "[right, left, left, left, left, left, left, left, left, left, left, left, left, right]",
          "[left, right, left, left, left, left, left, left, left, left, left, left, left, right]",
          "[left, left, left, left, left, left, left, left, left, left, left, left, right, right]",
          "[left, left, left, left, left, left, left, left, right, left, left, left, left, right]"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=9CWSS3X3q7k",
        "youtube_id": "9CWSS3X3q7k",
        "youtube_title": "Heavyweight Boxing! Deontay Wilder (USA) vs Tyrrell Herndon (USA) | Fight Highlights",
        "start_time": "00:08:25",
        "end_time": "00:08:41",
        "start_sec": 505,
        "end_sec": 521
      },
      {
        "video_id": "0002_pt3_q2",
        "video_path": "videos/youtube/boxing/0002_pt3.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "what is the order of the side of punch thrown by the boxer with black shorts that hit/touched the opponent\n\n(A) [right, left, left, left, left, left, left, left, right]\n(B) [left, left, left, right, left, left, left, left, right]\n(C) [left, left, left, left, right, left, left, left, right]\n(D) [left, left, left, left, left, left, left, right, right]",
        "answer_type": "mcq",
        "choices": [
          "[right, left, left, left, left, left, left, left, right]",
          "[left, left, left, right, left, left, left, left, right]",
          "[left, left, left, left, right, left, left, left, right]",
          "[left, left, left, left, left, left, left, right, right]"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=9CWSS3X3q7k",
        "youtube_id": "9CWSS3X3q7k",
        "youtube_title": "Heavyweight Boxing! Deontay Wilder (USA) vs Tyrrell Herndon (USA) | Fight Highlights",
        "start_time": "00:08:25",
        "end_time": "00:08:41",
        "start_sec": 505,
        "end_sec": 521
      },
      {
        "video_id": "0002_pt4_q0",
        "video_path": "videos/youtube/boxing/0002_pt4.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "How many punches does the boxer with black pants throw?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=9CWSS3X3q7k",
        "youtube_id": "9CWSS3X3q7k",
        "youtube_title": "Heavyweight Boxing! Deontay Wilder (USA) vs Tyrrell Herndon (USA) | Fight Highlights",
        "start_time": "00:09:49",
        "end_time": "00:09:58",
        "start_sec": 589,
        "end_sec": 598,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt4_q1",
        "video_path": "videos/youtube/boxing/0002_pt4.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "Identify where the boxer in the black shorts is aiming their punches\n\n(A) [glove of the boxer in red shorts, head of the boxer in red shorts, glove of the boxer in red shorts, glove of the boxer in red shorts]\n(B) [glove of the boxer in red shorts, glove of the boxer in red shorts, head of the boxer in red shorts, glove of the boxer in red shorts]\n(C) [glove of the boxer in red shorts, head of the boxer in red shorts, head of the boxer in red shorts, glove of the boxer in red shorts]\n(D) [head of the boxer in red shorts, head of the boxer in red shorts, head of the boxer in red shorts, glove of the boxer in red shorts]",
        "answer_type": "mcq",
        "choices": [
          "[glove of the boxer in red shorts, head of the boxer in red shorts, glove of the boxer in red shorts, glove of the boxer in red shorts]",
          "[glove of the boxer in red shorts, glove of the boxer in red shorts, head of the boxer in red shorts, glove of the boxer in red shorts]",
          "[glove of the boxer in red shorts, head of the boxer in red shorts, head of the boxer in red shorts, glove of the boxer in red shorts]",
          "[head of the boxer in red shorts, head of the boxer in red shorts, head of the boxer in red shorts, glove of the boxer in red shorts]"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=9CWSS3X3q7k",
        "youtube_id": "9CWSS3X3q7k",
        "youtube_title": "Heavyweight Boxing! Deontay Wilder (USA) vs Tyrrell Herndon (USA) | Fight Highlights",
        "start_time": "00:09:49",
        "end_time": "00:09:58",
        "start_sec": 589,
        "end_sec": 598
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/youtube/boxing/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "How many punches does the boxer with red gloves throw?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=4dTzktjYIx4",
        "youtube_id": "4dTzktjYIx4",
        "youtube_title": "Davis vs Ryan Garcia FULL FIGHT: April 22, 2023 | PBC on Showtime PPV",
        "start_time": "00:18:24",
        "end_time": "00:18:43",
        "start_sec": 1104,
        "end_sec": 1123,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt2",
        "video_path": "videos/youtube/boxing/0003_pt2.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "How many punches does the boxer with red gloves throw?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=4dTzktjYIx4",
        "youtube_id": "4dTzktjYIx4",
        "youtube_title": "Davis vs Ryan Garcia FULL FIGHT: April 22, 2023 | PBC on Showtime PPV",
        "start_time": "00:18:59",
        "end_time": "00:19:14",
        "start_sec": 1139,
        "end_sec": 1154,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt3_q0",
        "video_path": "videos/youtube/boxing/0003_pt3.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "How many punches does the boxer with red gloves throw?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=4dTzktjYIx4",
        "youtube_id": "4dTzktjYIx4",
        "youtube_title": "Davis vs Ryan Garcia FULL FIGHT: April 22, 2023 | PBC on Showtime PPV",
        "start_time": "00:30:09",
        "end_time": "00:30:21",
        "start_sec": 1809,
        "end_sec": 1821,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt3_q1",
        "video_path": "videos/youtube/boxing/0003_pt3.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "What is the order of the punches thrown\n\n(A) [boxer with black shorts, boxer with green shorts, boxer with black shorts, boxer with green shorts, boxer with green shorts]\n(B) [boxer with green shorts, boxer with black shorts, boxer with black shorts, boxer with green shorts, boxer with green shorts]\n(C) [boxer with green shorts, boxer with green shorts, boxer with black shorts, boxer with green shorts, boxer with black shorts]\n(D) [boxer with green shorts, boxer with green shorts, boxer with black shorts, boxer with black shorts, boxer with green shorts]",
        "answer_type": "mcq",
        "choices": [
          "[boxer with black shorts, boxer with green shorts, boxer with black shorts, boxer with green shorts, boxer with green shorts]",
          "[boxer with green shorts, boxer with black shorts, boxer with black shorts, boxer with green shorts, boxer with green shorts]",
          "[boxer with green shorts, boxer with green shorts, boxer with black shorts, boxer with green shorts, boxer with black shorts]",
          "[boxer with green shorts, boxer with green shorts, boxer with black shorts, boxer with black shorts, boxer with green shorts]"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=4dTzktjYIx4",
        "youtube_id": "4dTzktjYIx4",
        "youtube_title": "Davis vs Ryan Garcia FULL FIGHT: April 22, 2023 | PBC on Showtime PPV",
        "start_time": "00:30:09",
        "end_time": "00:30:21",
        "start_sec": 1809,
        "end_sec": 1821
      },
      {
        "video_id": "0003_pt4_q0",
        "video_path": "videos/youtube/boxing/0003_pt4.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "How many punches does the boxer with red gloves throw?",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=4dTzktjYIx4",
        "youtube_id": "4dTzktjYIx4",
        "youtube_title": "Davis vs Ryan Garcia FULL FIGHT: April 22, 2023 | PBC on Showtime PPV",
        "start_time": "00:38:35",
        "end_time": "00:38:50",
        "start_sec": 2315,
        "end_sec": 2330,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt4_q1",
        "video_path": "videos/youtube/boxing/0003_pt4.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "What is the order of the left punches thrown\n\n(A) [boxer with black shorts, boxer with black shorts, boxer with green shorts, boxer with black shorts, boxer with black shorts]\n(B) [boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with green shorts]\n(C) [boxer with green shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts]\n(D) [boxer with black shorts, boxer with green shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts]",
        "answer_type": "mcq",
        "choices": [
          "[boxer with black shorts, boxer with black shorts, boxer with green shorts, boxer with black shorts, boxer with black shorts]",
          "[boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with green shorts]",
          "[boxer with green shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts]",
          "[boxer with black shorts, boxer with green shorts, boxer with black shorts, boxer with black shorts, boxer with black shorts]"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=4dTzktjYIx4",
        "youtube_id": "4dTzktjYIx4",
        "youtube_title": "Davis vs Ryan Garcia FULL FIGHT: April 22, 2023 | PBC on Showtime PPV",
        "start_time": "00:38:35",
        "end_time": "00:38:50",
        "start_sec": 2315,
        "end_sec": 2330
      },
      {
        "video_id": "0004_pt1_q0",
        "video_path": "videos/youtube/boxing/0004_pt1.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "How many left punches does the boxer with white gloves throw?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=TK3ntJMwTVY",
        "youtube_id": "TK3ntJMwTVY",
        "youtube_title": "Jake Paul vs. Anthony Joshua FULL Highlights | Netflix",
        "start_time": "00:00:00",
        "end_time": "00:00:28",
        "start_sec": 0,
        "end_sec": 28,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt1_q1",
        "video_path": "videos/youtube/boxing/0004_pt1.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "How many right punches does the boxer with white gloves throw?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=TK3ntJMwTVY",
        "youtube_id": "TK3ntJMwTVY",
        "youtube_title": "Jake Paul vs. Anthony Joshua FULL Highlights | Netflix",
        "start_time": "00:00:00",
        "end_time": "00:00:28",
        "start_sec": 0,
        "end_sec": 28,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt1_q2",
        "video_path": "videos/youtube/boxing/0004_pt1.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "What is the order of the punches thrown\n\n(A) [left punch from boxer with white gloves, right punch from boxer with white gloves, left punch from boxer with red shots, right punch from boxer with red shots, right punch from boxer with white gloves, left punch from boxer with white gloves, right punch from boxer with white gloves]\n(B) [right punch from boxer with white gloves, right punch from boxer with white gloves, left punch from boxer with red shots, right punch from boxer with red shots, left punch from boxer with white gloves, left punch from boxer with white gloves, right punch from boxer with white gloves]\n(C) [right punch from boxer with white gloves, left punch from boxer with white gloves, left punch from boxer with red shots, right punch from boxer with red shots, right punch from boxer with white gloves, left punch from boxer with white gloves, right punch from boxer with white gloves]\n(D) [right punch from boxer with white gloves, right punch from boxer with white gloves, left punch from boxer with red shots, right punch from boxer with red shots, right punch from boxer with white gloves, left punch from boxer with white gloves, left punch from boxer with white gloves]",
        "answer_type": "mcq",
        "choices": [
          "[left punch from boxer with white gloves, right punch from boxer with white gloves, left punch from boxer with red shots, right punch from boxer with red shots, right punch from boxer with white gloves, left punch from boxer with white gloves, right punch from boxer with white gloves]",
          "[right punch from boxer with white gloves, right punch from boxer with white gloves, left punch from boxer with red shots, right punch from boxer with red shots, left punch from boxer with white gloves, left punch from boxer with white gloves, right punch from boxer with white gloves]",
          "[right punch from boxer with white gloves, left punch from boxer with white gloves, left punch from boxer with red shots, right punch from boxer with red shots, right punch from boxer with white gloves, left punch from boxer with white gloves, right punch from boxer with white gloves]",
          "[right punch from boxer with white gloves, right punch from boxer with white gloves, left punch from boxer with red shots, right punch from boxer with red shots, right punch from boxer with white gloves, left punch from boxer with white gloves, left punch from boxer with white gloves]"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=TK3ntJMwTVY",
        "youtube_id": "TK3ntJMwTVY",
        "youtube_title": "Jake Paul vs. Anthony Joshua FULL Highlights | Netflix",
        "start_time": "00:00:00",
        "end_time": "00:00:28",
        "start_sec": 0,
        "end_sec": 28
      },
      {
        "video_id": "0004_pt2",
        "video_path": "videos/youtube/boxing/0004_pt2.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "How many times does the boxer with the red glove touch the opponent?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=TK3ntJMwTVY",
        "youtube_id": "TK3ntJMwTVY",
        "youtube_title": "Jake Paul vs. Anthony Joshua FULL Highlights | Netflix",
        "start_time": "00:00:41",
        "end_time": "00:00:55",
        "start_sec": 41,
        "end_sec": 55,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt3",
        "video_path": "videos/youtube/boxing/0004_pt3.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "How many punches does the boxer with white gloves land on the opponent?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=TK3ntJMwTVY",
        "youtube_id": "TK3ntJMwTVY",
        "youtube_title": "Jake Paul vs. Anthony Joshua FULL Highlights | Netflix",
        "start_time": "00:01:08",
        "end_time": "00:01:19",
        "start_sec": 68,
        "end_sec": 79,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt1_q0",
        "video_path": "videos/youtube/boxing/0005_pt1.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "how many punches does the blue boxer throw",
        "answer_type": "numeric",
        "answer": 11,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=wCmraEyThOo",
        "youtube_id": "wCmraEyThOo",
        "youtube_title": "JIMUEL PACQUIAO VS DARRICK GATES | FULL FIGHT | MP PROMOTIONS",
        "start_time": "00:01:35",
        "end_time": "00:01:51",
        "start_sec": 95,
        "end_sec": 111,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt1_q1",
        "video_path": "videos/youtube/boxing/0005_pt1.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "What is the order of the side pf punches thrown by boxer in blue\n\n(A) [right, right, right, left, right, left, left, left, left, right]\n(B) [right, right, right, right, left, left, left, left, left, right]\n(C) [right, right, right, right, right, left, left, left, left, left]\n(D) [right, right, left, right, right, left, left, left, left, right]",
        "answer_type": "mcq",
        "choices": [
          "[right, right, right, left, right, left, left, left, left, right]",
          "[right, right, right, right, left, left, left, left, left, right]",
          "[right, right, right, right, right, left, left, left, left, left]",
          "[right, right, left, right, right, left, left, left, left, right]"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=wCmraEyThOo",
        "youtube_id": "wCmraEyThOo",
        "youtube_title": "JIMUEL PACQUIAO VS DARRICK GATES | FULL FIGHT | MP PROMOTIONS",
        "start_time": "00:01:35",
        "end_time": "00:01:51",
        "start_sec": 95,
        "end_sec": 111
      },
      {
        "video_id": "0005_pt2_q0",
        "video_path": "videos/youtube/boxing/0005_pt2.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "how many punches does the blue boxer throw",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=wCmraEyThOo",
        "youtube_id": "wCmraEyThOo",
        "youtube_title": "JIMUEL PACQUIAO VS DARRICK GATES | FULL FIGHT | MP PROMOTIONS",
        "start_time": "00:01:57",
        "end_time": "00:02:06",
        "start_sec": 117,
        "end_sec": 126,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt2_q1",
        "video_path": "videos/youtube/boxing/0005_pt2.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "What is the order of the side pf punches thrown by boxer in blue\n\n(A) [left, right, left, right, left, left]\n(B) [left, right, left, left, right, left]\n(C) [left, right, right, left, left, left]\n(D) [right, right, left, left, left, left]",
        "answer_type": "mcq",
        "choices": [
          "[left, right, left, right, left, left]",
          "[left, right, left, left, right, left]",
          "[left, right, right, left, left, left]",
          "[right, right, left, left, left, left]"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=wCmraEyThOo",
        "youtube_id": "wCmraEyThOo",
        "youtube_title": "JIMUEL PACQUIAO VS DARRICK GATES | FULL FIGHT | MP PROMOTIONS",
        "start_time": "00:01:57",
        "end_time": "00:02:06",
        "start_sec": 117,
        "end_sec": 126
      },
      {
        "video_id": "0005_pt3",
        "video_path": "videos/youtube/boxing/0005_pt3.mp4",
        "video_source": "youtube",
        "source_task": "boxing",
        "question": "how many punches does the blue boxer throw",
        "answer_type": "numeric",
        "answer": 10,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=wCmraEyThOo",
        "youtube_id": "wCmraEyThOo",
        "youtube_title": "JIMUEL PACQUIAO VS DARRICK GATES | FULL FIGHT | MP PROMOTIONS",
        "start_time": "00:05:40",
        "end_time": "00:05:55",
        "start_sec": 340,
        "end_sec": 355,
        "choices": [],
        "answer_index": null
      }
    ],
    "carousel": [
      {
        "video_id": "0001_pt1_q0",
        "video_path": "videos/youtube/carousel/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "carousel",
        "question": "How many people are standing on this carrousel?",
        "answer_type": "numeric",
        "answer": 9,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=zVvuz7VXlNc",
        "youtube_id": "zVvuz7VXlNc",
        "youtube_title": "King Arthur Carrousel with the Pearly Band - Disneyland Ride 2022 [4K POV]",
        "start_time": "00:00:25",
        "end_time": "00:00:36",
        "start_sec": 25,
        "end_sec": 36,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q1",
        "video_path": "videos/youtube/carousel/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "carousel",
        "question": "How many horses on the outmost circle shown in the video?",
        "answer_type": "numeric",
        "answer": 13,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=zVvuz7VXlNc",
        "youtube_id": "zVvuz7VXlNc",
        "youtube_title": "King Arthur Carrousel with the Pearly Band - Disneyland Ride 2022 [4K POV]",
        "start_time": "00:00:25",
        "end_time": "00:00:36",
        "start_sec": 25,
        "end_sec": 36,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/youtube/carousel/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "carousel",
        "question": "How many people are in the carousel?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=CVv9KIK3ET4",
        "youtube_id": "CVv9KIK3ET4",
        "youtube_title": "快乐的旋转木马🎠#carousel #playground #children #happy #childhood #travel #citylife",
        "start_time": "00:00:00",
        "end_time": "00:00:14.033",
        "start_sec": 0,
        "end_sec": 14.033,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1_q0",
        "video_path": "videos/youtube/carousel/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "carousel",
        "question": "How many times did the person pass an exit? Count only barred gates that have a red inverted-triangle sign on them as exits.",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=IBV9sDoFklg",
        "youtube_id": "IBV9sDoFklg",
        "youtube_title": "King Arthur Carrousel 2024 - Disneyland Ride [4K60 POV]",
        "start_time": "00:00:29",
        "end_time": "00:01:25",
        "start_sec": 29,
        "end_sec": 85,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1_q1",
        "video_path": "videos/youtube/carousel/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "carousel",
        "question": "How many complete rounds did the person ride?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=IBV9sDoFklg",
        "youtube_id": "IBV9sDoFklg",
        "youtube_title": "King Arthur Carrousel 2024 - Disneyland Ride [4K60 POV]",
        "start_time": "00:00:29",
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        "start_sec": 29,
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        "choices": [],
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      },
      {
        "video_id": "0003_pt1_q2",
        "video_path": "videos/youtube/carousel/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "carousel",
        "question": "How many exits are there in the carousel? Count only barred gates that have a red inverted-triangle sign on them as exits.",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
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          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=IBV9sDoFklg",
        "youtube_id": "IBV9sDoFklg",
        "youtube_title": "King Arthur Carrousel 2024 - Disneyland Ride [4K60 POV]",
        "start_time": "00:00:29",
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        "start_sec": 29,
        "end_sec": 85,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt2_q0",
        "video_path": "videos/youtube/carousel/0003_pt2.mp4",
        "video_source": "youtube",
        "source_task": "carousel",
        "question": "How many times did the person pass an exit? Count only barred gates that have a red inverted-triangle sign on them as exits.",
        "answer_type": "numeric",
        "answer": 7,
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          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=IBV9sDoFklg",
        "youtube_id": "IBV9sDoFklg",
        "youtube_title": "King Arthur Carrousel 2024 - Disneyland Ride [4K60 POV]",
        "start_time": "00:01:26",
        "end_time": "00:02:26",
        "start_sec": 86,
        "end_sec": 146,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt2_q1",
        "video_path": "videos/youtube/carousel/0003_pt2.mp4",
        "video_source": "youtube",
        "source_task": "carousel",
        "question": "How many complete rounds did the person ride?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
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          "camera_motion",
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        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=IBV9sDoFklg",
        "youtube_id": "IBV9sDoFklg",
        "youtube_title": "King Arthur Carrousel 2024 - Disneyland Ride [4K60 POV]",
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        "end_time": "00:02:26",
        "start_sec": 86,
        "end_sec": 146,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt2_q2",
        "video_path": "videos/youtube/carousel/0003_pt2.mp4",
        "video_source": "youtube",
        "source_task": "carousel",
        "question": "How many exits are there in the carousel? Count only barred gates that have a red inverted-triangle sign on them as exits.",
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        "answer": 2,
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        "state_element_type": "count",
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        "youtube_url": "https://www.youtube.com/watch?v=IBV9sDoFklg",
        "youtube_id": "IBV9sDoFklg",
        "youtube_title": "King Arthur Carrousel 2024 - Disneyland Ride [4K60 POV]",
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        "start_sec": 86,
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        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt1_q0",
        "video_path": "videos/youtube/carousel/0004_pt1.mp4",
        "video_source": "youtube",
        "source_task": "carousel",
        "question": "How many times did the person pass an exit? Count only barred gates that have a red inverted-triangle sign on them as exits.",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
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        ],
        "state_element_type": "count",
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        "youtube_url": "https://www.youtube.com/watch?v=lfs2p56s0zU",
        "youtube_id": "lfs2p56s0zU",
        "youtube_title": "King Arthur's Carousel 4K 60fps on-ride POV Disneyland (2025)",
        "start_time": "00:00:00",
        "end_time": "00:01:00.033",
        "start_sec": 0,
        "end_sec": 60.033,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt1_q1",
        "video_path": "videos/youtube/carousel/0004_pt1.mp4",
        "video_source": "youtube",
        "source_task": "carousel",
        "question": "How many complete rounds did the person ride?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
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        "state_element_type": "count",
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        "youtube_url": "https://www.youtube.com/watch?v=lfs2p56s0zU",
        "youtube_id": "lfs2p56s0zU",
        "youtube_title": "King Arthur's Carousel 4K 60fps on-ride POV Disneyland (2025)",
        "start_time": "00:00:00",
        "end_time": "00:01:00.033",
        "start_sec": 0,
        "end_sec": 60.033,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt1_q2",
        "video_path": "videos/youtube/carousel/0004_pt1.mp4",
        "video_source": "youtube",
        "source_task": "carousel",
        "question": "How many different red exits are there in the carousel? Count only barred gates that have a red inverted-triangle sign on them as exits.",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
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          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=lfs2p56s0zU",
        "youtube_id": "lfs2p56s0zU",
        "youtube_title": "King Arthur's Carousel 4K 60fps on-ride POV Disneyland (2025)",
        "start_time": "00:00:00",
        "end_time": "00:01:00.033",
        "start_sec": 0,
        "end_sec": 60.033,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt2_q0",
        "video_path": "videos/youtube/carousel/0004_pt2.mp4",
        "video_source": "youtube",
        "source_task": "carousel",
        "question": "How many times did the person pass an exit? Count only barred gates that have a red inverted-triangle sign on them as exits.",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=lfs2p56s0zU",
        "youtube_id": "lfs2p56s0zU",
        "youtube_title": "King Arthur's Carousel 4K 60fps on-ride POV Disneyland (2025)",
        "start_time": "00:01:00",
        "end_time": "00:02:00",
        "start_sec": 60,
        "end_sec": 120,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt2_q1",
        "video_path": "videos/youtube/carousel/0004_pt2.mp4",
        "video_source": "youtube",
        "source_task": "carousel",
        "question": "How many complete rounds did the person ride?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=lfs2p56s0zU",
        "youtube_id": "lfs2p56s0zU",
        "youtube_title": "King Arthur's Carousel 4K 60fps on-ride POV Disneyland (2025)",
        "start_time": "00:01:00",
        "end_time": "00:02:00",
        "start_sec": 60,
        "end_sec": 120,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt2_q2",
        "video_path": "videos/youtube/carousel/0004_pt2.mp4",
        "video_source": "youtube",
        "source_task": "carousel",
        "question": "How many different red exits are there in the carousel? Count only barred gates that have a red inverted-triangle sign on them as exits.",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=lfs2p56s0zU",
        "youtube_id": "lfs2p56s0zU",
        "youtube_title": "King Arthur's Carousel 4K 60fps on-ride POV Disneyland (2025)",
        "start_time": "00:01:00",
        "end_time": "00:02:00",
        "start_sec": 60,
        "end_sec": 120,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt1",
        "video_path": "videos/youtube/carousel/0005_pt1.mp4",
        "video_source": "youtube",
        "source_task": "carousel",
        "question": "How many people are on the carousel?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
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          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=s3vbGxdRuaM",
        "youtube_id": "s3vbGxdRuaM",
        "youtube_title": "Fun times for Daniela",
        "start_time": "00:00:00",
        "end_time": "00:00:11",
        "start_sec": 0,
        "end_sec": 11,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt2_q0",
        "video_path": "videos/youtube/carousel/0005_pt2.mp4",
        "video_source": "youtube",
        "source_task": "carousel",
        "question": "How many people are on a ride that don't go up and down?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
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          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=s3vbGxdRuaM",
        "youtube_id": "s3vbGxdRuaM",
        "youtube_title": "Fun times for Daniela",
        "start_time": "00:00:11",
        "end_time": "00:00:23",
        "start_sec": 11,
        "end_sec": 23,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt2_q1",
        "video_path": "videos/youtube/carousel/0005_pt2.mp4",
        "video_source": "youtube",
        "source_task": "carousel",
        "question": "How many people are sitting?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
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          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=s3vbGxdRuaM",
        "youtube_id": "s3vbGxdRuaM",
        "youtube_title": "Fun times for Daniela",
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        "start_sec": 11,
        "end_sec": 23,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0006_pt1",
        "video_path": "videos/youtube/carousel/0006_pt1.mp4",
        "video_source": "youtube",
        "source_task": "carousel",
        "question": "How many complete rounds did the person ride?",
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        "answer": 2,
        "perceptual_complexity": [
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          "occlusion",
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        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=UKNfQ5-I88I",
        "youtube_id": "UKNfQ5-I88I",
        "youtube_title": "Jessie's Critter Carousel 2023 - Disney California Adventure Ride [4K POV]",
        "start_time": "00:00:38",
        "end_time": "00:01:38",
        "start_sec": 38,
        "end_sec": 98,
        "choices": [],
        "answer_index": null
      }
    ],
    "coffee": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/youtube/coffee/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "coffee",
        "question": "How many cups of espresso are made or being made by the end of video?",
        "answer_type": "numeric",
        "answer": 4,
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        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=mULwi814HQ0",
        "youtube_id": "mULwi814HQ0",
        "youtube_title": "Anthony Douglas, Australia — 2022 World Barista Championship: Finals",
        "start_time": "00:00:59",
        "end_time": "00:01:59.067",
        "start_sec": 59,
        "end_sec": 119.067,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt2",
        "video_path": "videos/youtube/coffee/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "coffee",
        "question": "How many cups of espresso are made or being made by the end of video?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
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        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=mULwi814HQ0",
        "youtube_id": "mULwi814HQ0",
        "youtube_title": "Anthony Douglas, Australia — 2022 World Barista Championship: Finals",
        "start_time": "00:05:15",
        "end_time": "00:05:53",
        "start_sec": 315,
        "end_sec": 353,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt3",
        "video_path": "videos/youtube/coffee/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "coffee",
        "question": "How many cups of latte are made or being made by the end of video?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
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        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=mULwi814HQ0",
        "youtube_id": "mULwi814HQ0",
        "youtube_title": "Anthony Douglas, Australia — 2022 World Barista Championship: Finals",
        "start_time": "00:09:30",
        "end_time": "00:10:30.067",
        "start_sec": 570,
        "end_sec": 630.067,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/youtube/coffee/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "coffee",
        "question": "How many cups of espresso are made by the end of video?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
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          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=Bw7WuL4NyPI",
        "youtube_id": "Bw7WuL4NyPI",
        "youtube_title": "Benjamin Put, Canada — 2022 World Barista Championship: Finals",
        "start_time": "00:01:45",
        "end_time": "00:02:35",
        "start_sec": 105,
        "end_sec": 155,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt2",
        "video_path": "videos/youtube/coffee/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "coffee",
        "question": "How many cups of latte are made by the end of video?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "camera_motion",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=Bw7WuL4NyPI",
        "youtube_id": "Bw7WuL4NyPI",
        "youtube_title": "Benjamin Put, Canada — 2022 World Barista Championship: Finals",
        "start_time": "00:07:15",
        "end_time": "00:08:25",
        "start_sec": 435,
        "end_sec": 505,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt3",
        "video_path": "videos/youtube/coffee/0002_pt3.mp4",
        "video_source": "youtube",
        "source_task": "coffee",
        "question": "How many servings of espresso are added to the can? One portafilter makes one serving.",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "camera_motion",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=Bw7WuL4NyPI",
        "youtube_id": "Bw7WuL4NyPI",
        "youtube_title": "Benjamin Put, Canada — 2022 World Barista Championship: Finals",
        "start_time": "00:10:20",
        "end_time": "00:11:22",
        "start_sec": 620,
        "end_sec": 682,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/youtube/coffee/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "coffee",
        "question": "How many cups of espresso are made or being made by the end of video?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "camera_motion",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=HVoHoMhzy2w",
        "youtube_id": "HVoHoMhzy2w",
        "youtube_title": "Jack Simpson, Australia | 2025 World Barista Championship: Finals",
        "start_time": "00:03:55",
        "end_time": "00:04:35",
        "start_sec": 235,
        "end_sec": 275,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt2",
        "video_path": "videos/youtube/coffee/0003_pt2.mp4",
        "video_source": "youtube",
        "source_task": "coffee",
        "question": "How many cups of latte are made by the end of video?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "camera_motion",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=HVoHoMhzy2w",
        "youtube_id": "HVoHoMhzy2w",
        "youtube_title": "Jack Simpson, Australia | 2025 World Barista Championship: Finals",
        "start_time": "00:09:00",
        "end_time": "00:09:50",
        "start_sec": 540,
        "end_sec": 590,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt3",
        "video_path": "videos/youtube/coffee/0003_pt3.mp4",
        "video_source": "youtube",
        "source_task": "coffee",
        "question": "How many times does the barista pour with the glass pitcher?",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
          "camera_motion",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=HVoHoMhzy2w",
        "youtube_id": "HVoHoMhzy2w",
        "youtube_title": "Jack Simpson, Australia | 2025 World Barista Championship: Finals",
        "start_time": "00:13:15",
        "end_time": "00:13:55",
        "start_sec": 795,
        "end_sec": 835,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt1",
        "video_path": "videos/youtube/coffee/0004_pt1.mp4",
        "video_source": "youtube",
        "source_task": "coffee",
        "question": "How many different portafilters are being used by the barista by the end of video?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "camera_motion",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=Z7e8tmcSrxg",
        "youtube_id": "Z7e8tmcSrxg",
        "youtube_title": "Barista Show",
        "start_time": "00:00:00",
        "end_time": "00:00:36",
        "start_sec": 0,
        "end_sec": 36,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt2",
        "video_path": "videos/youtube/coffee/0004_pt2.mp4",
        "video_source": "youtube",
        "source_task": "coffee",
        "question": "How many lattes are made or being made by the end of video?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=Z7e8tmcSrxg",
        "youtube_id": "Z7e8tmcSrxg",
        "youtube_title": "Barista Show",
        "start_time": "00:01:30",
        "end_time": "00:02:15",
        "start_sec": 90,
        "end_sec": 135,
        "choices": [],
        "answer_index": null
      }
    ],
    "cooking": [
      {
        "video_id": "0001_pt1_q0",
        "video_path": "videos/youtube/cooking/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "cooking",
        "question": "How many wooden objects are on the counter?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=INiAM1u925E",
        "youtube_id": "INiAM1u925E",
        "youtube_title": "POV How to Cook a Steak",
        "start_time": "00:07:38",
        "end_time": "00:08:06",
        "start_sec": 458,
        "end_sec": 486,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q1",
        "video_path": "videos/youtube/cooking/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "cooking",
        "question": "How many pans are on the stove?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=INiAM1u925E",
        "youtube_id": "INiAM1u925E",
        "youtube_title": "POV How to Cook a Steak",
        "start_time": "00:07:38",
        "end_time": "00:08:06",
        "start_sec": 458,
        "end_sec": 486,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt2",
        "video_path": "videos/youtube/cooking/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "cooking",
        "question": "How many cuts does he make to the shallots?",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=INiAM1u925E",
        "youtube_id": "INiAM1u925E",
        "youtube_title": "POV How to Cook a Steak",
        "start_time": "00:17:50",
        "end_time": "00:18:00",
        "start_sec": 1070,
        "end_sec": 1080,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/youtube/cooking/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "cooking",
        "question": "How many distinct pieces does he cut the potato into?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=2nhjTXUUx9g",
        "youtube_id": "2nhjTXUUx9g",
        "youtube_title": "One-pan mini-roast with fondant potatoes (Christmas dinner for 1 or 2)",
        "start_time": "00:00:35",
        "end_time": "00:00:43",
        "start_sec": 35,
        "end_sec": 43,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt2",
        "video_path": "videos/youtube/cooking/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "cooking",
        "question": "How many pieces of potato does he touch with the spoon?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "homogeneity"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=2nhjTXUUx9g",
        "youtube_id": "2nhjTXUUx9g",
        "youtube_title": "One-pan mini-roast with fondant potatoes (Christmas dinner for 1 or 2)",
        "start_time": "00:02:45",
        "end_time": "00:02:50",
        "start_sec": 165,
        "end_sec": 170,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0006_pt1_q0",
        "video_path": "videos/youtube/cooking/0006_pt1.mp4",
        "video_source": "youtube",
        "source_task": "cooking",
        "question": "How many different ingredients are used in the sandwich?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=r9DqZRM7FQU",
        "youtube_id": "r9DqZRM7FQU",
        "youtube_title": "Busy Friday 🤯| Simple but Great | POV Cooking",
        "start_time": "00:05:17",
        "end_time": "00:05:45",
        "start_sec": 317,
        "end_sec": 345,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0006_pt1_q1",
        "video_path": "videos/youtube/cooking/0006_pt1.mp4",
        "video_source": "youtube",
        "source_task": "cooking",
        "question": "Using row-wise labels from the camera's perspective: 1 to 5 for the first row, 6 to 10 for the second row, and 11 to 14 for the third row, excluding the duplicate count of the largest pan. What is the sequence of different pans the chef reached into?\n\n(A) [7, 6, 1, 6]\n(B) [7, 6, 1, 9]\n(C) [6, 6, 1, 9]\n(D) [7, 1, 1, 9]",
        "answer_type": "mcq",
        "choices": [
          "[7, 6, 1, 6]",
          "[7, 6, 1, 9]",
          "[6, 6, 1, 9]",
          "[7, 1, 1, 9]"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=r9DqZRM7FQU",
        "youtube_id": "r9DqZRM7FQU",
        "youtube_title": "Busy Friday 🤯| Simple but Great | POV Cooking",
        "start_time": "00:05:17",
        "end_time": "00:05:45",
        "start_sec": 317,
        "end_sec": 345
      },
      {
        "video_id": "0006_pt1_q2",
        "video_path": "videos/youtube/cooking/0006_pt1.mp4",
        "video_source": "youtube",
        "source_task": "cooking",
        "question": "Using row-wise labels from the camera's perspective: 1 to 5 for the first row, 6 to 10 for the second row, and 11 to 14 for the third row, excluding the duplicate count of the largest pan. For a same sandwich ordered without tomato, which pans shoould the chef reach into?\n\n(A) (7,5,9)\n(B) (7,6,10)\n(C) (8,6,9)\n(D) (7, 6, 9)",
        "answer_type": "mcq",
        "choices": [
          "(7,5,9)",
          "(7,6,10)",
          "(8,6,9)",
          "(7, 6, 9)"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=r9DqZRM7FQU",
        "youtube_id": "r9DqZRM7FQU",
        "youtube_title": "Busy Friday 🤯| Simple but Great | POV Cooking",
        "start_time": "00:05:17",
        "end_time": "00:05:45",
        "start_sec": 317,
        "end_sec": 345
      },
      {
        "video_id": "0006_pt1_q3",
        "video_path": "videos/youtube/cooking/0006_pt1.mp4",
        "video_source": "youtube",
        "source_task": "cooking",
        "question": "Using row-wise labels from the camera's perspective: 1 to 5 for the first row, 6 to 10 for the second row, and 11 to 14 for the third row, excluding the duplicate count of the largest pan. For a same sandwich ordered without tomato and lettuce, which pans should the chef reach into?\n\n(A) (7, 9)\n(B) (6,9)\n(C) (7,10)\n(D) (8,9)",
        "answer_type": "mcq",
        "choices": [
          "(7, 9)",
          "(6,9)",
          "(7,10)",
          "(8,9)"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=r9DqZRM7FQU",
        "youtube_id": "r9DqZRM7FQU",
        "youtube_title": "Busy Friday 🤯| Simple but Great | POV Cooking",
        "start_time": "00:05:17",
        "end_time": "00:05:45",
        "start_sec": 317,
        "end_sec": 345
      },
      {
        "video_id": "0006_pt2_q0",
        "video_path": "videos/youtube/cooking/0006_pt2.mp4",
        "video_source": "youtube",
        "source_task": "cooking",
        "question": "How many different ingredients are used in the sandwich?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=r9DqZRM7FQU",
        "youtube_id": "r9DqZRM7FQU",
        "youtube_title": "Busy Friday 🤯| Simple but Great | POV Cooking",
        "start_time": "00:23:22",
        "end_time": "00:23:58",
        "start_sec": 1402,
        "end_sec": 1438,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0006_pt2_q1",
        "video_path": "videos/youtube/cooking/0006_pt2.mp4",
        "video_source": "youtube",
        "source_task": "cooking",
        "question": "Using row-wise labels from the camera's perspective: 1 to 5 for the first row, 6 to 10 for the second row, and 11 to 14 for the third row, excluding the duplicate count of the largest pan. For a same sandwich ordered without sauce, which pans should the chef reach into?\n\n(A) (5,1,9)\n(B) (6,1,10)\n(C) (6,2,9)\n(D) (6, 1, 9)",
        "answer_type": "mcq",
        "choices": [
          "(5,1,9)",
          "(6,1,10)",
          "(6,2,9)",
          "(6, 1, 9)"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=r9DqZRM7FQU",
        "youtube_id": "r9DqZRM7FQU",
        "youtube_title": "Busy Friday 🤯| Simple but Great | POV Cooking",
        "start_time": "00:23:22",
        "end_time": "00:23:58",
        "start_sec": 1402,
        "end_sec": 1438
      },
      {
        "video_id": "0006_pt2_q2",
        "video_path": "videos/youtube/cooking/0006_pt2.mp4",
        "video_source": "youtube",
        "source_task": "cooking",
        "question": "Using row-wise labels from the camera's perspective: 1 to 5 for the first row, 6 to 10 for the second row, and 11 to 14 for the third row, excluding the duplicate count of the largest pan. For a same sandwich ordered with additional onion, which pans should the chef reach into?\n\n(A) (7,6,1,9,14)\n(B) (7,5,1,9,13)\n(C) (7,6,2,9,13)\n(D) (7, 6, 1, 9, 13)",
        "answer_type": "mcq",
        "choices": [
          "(7,6,1,9,14)",
          "(7,5,1,9,13)",
          "(7,6,2,9,13)",
          "(7, 6, 1, 9, 13)"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=r9DqZRM7FQU",
        "youtube_id": "r9DqZRM7FQU",
        "youtube_title": "Busy Friday 🤯| Simple but Great | POV Cooking",
        "start_time": "00:23:22",
        "end_time": "00:23:58",
        "start_sec": 1402,
        "end_sec": 1438
      },
      {
        "video_id": "0006_pt3_q0",
        "video_path": "videos/youtube/cooking/0006_pt3.mp4",
        "video_source": "youtube",
        "source_task": "cooking",
        "question": "Using row-wise labels from the camera's perspective: 1 to 5 for the first row, 6 to 10 for the second row, and 11 to 14 for the third row, excluding the duplicate count of the largest pan. What is the sequence of different pans the chef reached into?\n\n(A) [1, 6, 1]\n(B) [6, 6, 1]\n(C) [13, 6, 1]\n(D) [13, 1, 1]",
        "answer_type": "mcq",
        "choices": [
          "[1, 6, 1]",
          "[6, 6, 1]",
          "[13, 6, 1]",
          "[13, 1, 1]"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=r9DqZRM7FQU",
        "youtube_id": "r9DqZRM7FQU",
        "youtube_title": "Busy Friday 🤯| Simple but Great | POV Cooking",
        "start_time": "00:27:46",
        "end_time": "00:27:54",
        "start_sec": 1666,
        "end_sec": 1674
      },
      {
        "video_id": "0006_pt3_q1",
        "video_path": "videos/youtube/cooking/0006_pt3.mp4",
        "video_source": "youtube",
        "source_task": "cooking",
        "question": "Using row-wise labels from the camera's perspective: 1 to 5 for the first row, 6 to 10 for the second row, and 11 to 14 for the third row, excluding the duplicate count of the largest pan. For a same burger ordered without onion, which pans should the chef reach into?\n\n(A) (7,1)\n(B) (6, 1)\n(C) (5,1)\n(D) (6,2)",
        "answer_type": "mcq",
        "choices": [
          "(7,1)",
          "(6, 1)",
          "(5,1)",
          "(6,2)"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=r9DqZRM7FQU",
        "youtube_id": "r9DqZRM7FQU",
        "youtube_title": "Busy Friday 🤯| Simple but Great | POV Cooking",
        "start_time": "00:27:46",
        "end_time": "00:27:54",
        "start_sec": 1666,
        "end_sec": 1674
      },
      {
        "video_id": "0006_pt3_q2",
        "video_path": "videos/youtube/cooking/0006_pt3.mp4",
        "video_source": "youtube",
        "source_task": "cooking",
        "question": "Using row-wise labels from the camera's perspective: 1 to 5 for the first row, 6 to 10 for the second row, and 11 to 14 for the third row, excluding the duplicate count of the largest pan. For a same burger ordered with additional cucumber, which pans should the chef reach into?\n\n(A) (6,1,9,13)\n(B) (6, 1, 8, 13)\n(C) (7,1,8,13)\n(D) (6,1,7,13)",
        "answer_type": "mcq",
        "choices": [
          "(6,1,9,13)",
          "(6, 1, 8, 13)",
          "(7,1,8,13)",
          "(6,1,7,13)"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=r9DqZRM7FQU",
        "youtube_id": "r9DqZRM7FQU",
        "youtube_title": "Busy Friday 🤯| Simple but Great | POV Cooking",
        "start_time": "00:27:46",
        "end_time": "00:27:54",
        "start_sec": 1666,
        "end_sec": 1674
      },
      {
        "video_id": "0006_pt3_q3",
        "video_path": "videos/youtube/cooking/0006_pt3.mp4",
        "video_source": "youtube",
        "source_task": "cooking",
        "question": "Using row-wise labels from the camera's perspective: 1 to 5 for the first row, 6 to 10 for the second row, and 11 to 14 for the third row, excluding the duplicate count of the largest pan. For a same burger ordered without tomato, which pans should the chef reach into?\n\n(A) (5,13)\n(B) (6, 13)\n(C) (7,13)\n(D) (6,14)",
        "answer_type": "mcq",
        "choices": [
          "(5,13)",
          "(6, 13)",
          "(7,13)",
          "(6,14)"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=r9DqZRM7FQU",
        "youtube_id": "r9DqZRM7FQU",
        "youtube_title": "Busy Friday 🤯| Simple but Great | POV Cooking",
        "start_time": "00:27:46",
        "end_time": "00:27:54",
        "start_sec": 1666,
        "end_sec": 1674
      }
    ],
    "cube": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/youtube/cube/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "How many steps did the person do to solve the cube?",
        "answer_type": "numeric",
        "answer": 76,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=5DCo_bZ0PEo",
        "youtube_id": "5DCo_bZ0PEo",
        "youtube_title": "How to Solve a Rubik’s Cube in 4 Moves",
        "start_time": "00:00:11",
        "end_time": "00:01:15",
        "start_sec": 11,
        "end_sec": 75,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt2",
        "video_path": "videos/youtube/cube/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the green sticker (at the top-left of the front face from the viewer's perspective) end up?\n\n(A) top-right\n(B) top-left\n(C) bottom-left\n(D) bottom-right",
        "answer_type": "mcq",
        "choices": [
          "top-right",
          "top-left",
          "bottom-left",
          "bottom-right"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=5DCo_bZ0PEo",
        "youtube_id": "5DCo_bZ0PEo",
        "youtube_title": "How to Solve a Rubik’s Cube in 4 Moves",
        "start_time": "00:00:09",
        "end_time": "00:00:21",
        "start_sec": 9,
        "end_sec": 21
      },
      {
        "video_id": "0001_pt3",
        "video_path": "videos/youtube/cube/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the blue sticker (at the bottom-left of the front face from the viewer's perspective) end up?\n\n(A) bottom-right\n(B) bottom-left\n(C) top-left\n(D) top-right",
        "answer_type": "mcq",
        "choices": [
          "bottom-right",
          "bottom-left",
          "top-left",
          "top-right"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=5DCo_bZ0PEo",
        "youtube_id": "5DCo_bZ0PEo",
        "youtube_title": "How to Solve a Rubik’s Cube in 4 Moves",
        "start_time": "00:00:10",
        "end_time": "00:00:22",
        "start_sec": 10,
        "end_sec": 22
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/youtube/cube/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the orange sticker (at the top-right of the left face from the viewer's perspective) end up?\n\n(A) top-right\n(B) top-left\n(C) bottom-left\n(D) bottom-right",
        "answer_type": "mcq",
        "choices": [
          "top-right",
          "top-left",
          "bottom-left",
          "bottom-right"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=R-R0KrXvWbc",
        "youtube_id": "R-R0KrXvWbc",
        "youtube_title": "How to Solve a Rubik's Cube | WIRED",
        "start_time": "00:07:24",
        "end_time": "00:07:38",
        "start_sec": 444,
        "end_sec": 458
      },
      {
        "video_id": "0002_pt2",
        "video_path": "videos/youtube/cube/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the green sticker (the one pointed by the person's right index finger at the start of the video) end up?\n\n(A) top-right\n(B) top-left\n(C) bottom-right\n(D) bottom-left",
        "answer_type": "mcq",
        "choices": [
          "top-right",
          "top-left",
          "bottom-right",
          "bottom-left"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=R-R0KrXvWbc",
        "youtube_id": "R-R0KrXvWbc",
        "youtube_title": "How to Solve a Rubik's Cube | WIRED",
        "start_time": "00:09:14",
        "end_time": "00:09:28",
        "start_sec": 554,
        "end_sec": 568
      },
      {
        "video_id": "0002_pt3",
        "video_path": "videos/youtube/cube/0002_pt3.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the red sticker (at the top-right of the front face from the viewer's perspective) end up?\n\n(A) top-right\n(B) bottom-right\n(C) bottom-left\n(D) top-left",
        "answer_type": "mcq",
        "choices": [
          "top-right",
          "bottom-right",
          "bottom-left",
          "top-left"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=R-R0KrXvWbc",
        "youtube_id": "R-R0KrXvWbc",
        "youtube_title": "How to Solve a Rubik's Cube | WIRED",
        "start_time": "00:09:30",
        "end_time": "00:09:38.067",
        "start_sec": 570,
        "end_sec": 578.067
      },
      {
        "video_id": "0003_pt1_q0",
        "video_path": "videos/youtube/cube/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the orange sticker (at the top-left of the front face from the viewer's perspective) end up?\n\n(A) bottom-right\n(B) top-right\n(C) bottom-left\n(D) top-left",
        "answer_type": "mcq",
        "choices": [
          "bottom-right",
          "top-right",
          "bottom-left",
          "top-left"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=PW2J8IblczM",
        "youtube_id": "PW2J8IblczM",
        "youtube_title": "How to Solve a Rubik's Cube [Best Method 2026]",
        "start_time": "00:01:20",
        "end_time": "00:01:41",
        "start_sec": 80,
        "end_sec": 101
      },
      {
        "video_id": "0003_pt1_q1",
        "video_path": "videos/youtube/cube/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the red sticker (at the top-right of the front face from the viewer's perspective) end up?\n\n(A) bottom-left\n(B) top-left\n(C) top-right\n(D) bottom-right",
        "answer_type": "mcq",
        "choices": [
          "bottom-left",
          "top-left",
          "top-right",
          "bottom-right"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=PW2J8IblczM",
        "youtube_id": "PW2J8IblczM",
        "youtube_title": "How to Solve a Rubik's Cube [Best Method 2026]",
        "start_time": "00:01:20",
        "end_time": "00:01:41",
        "start_sec": 80,
        "end_sec": 101
      },
      {
        "video_id": "0003_pt2_q0",
        "video_path": "videos/youtube/cube/0003_pt2.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the green sticker (at the top-right of the front face from the viewer's perspective) end up?\n\n(A) top-right\n(B) top-left\n(C) bottom-left\n(D) bottom-right",
        "answer_type": "mcq",
        "choices": [
          "top-right",
          "top-left",
          "bottom-left",
          "bottom-right"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=PW2J8IblczM",
        "youtube_id": "PW2J8IblczM",
        "youtube_title": "How to Solve a Rubik's Cube [Best Method 2026]",
        "start_time": "00:05:01",
        "end_time": "00:05:39",
        "start_sec": 301,
        "end_sec": 339
      },
      {
        "video_id": "0003_pt2_q1",
        "video_path": "videos/youtube/cube/0003_pt2.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the green sticker (at the top-center of the side that the person's left thumb is at) end up?\n\n(A) bottom-left\n(B) top-left\n(C) center-right\n(D) top-right",
        "answer_type": "mcq",
        "choices": [
          "bottom-left",
          "top-left",
          "center-right",
          "top-right"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=PW2J8IblczM",
        "youtube_id": "PW2J8IblczM",
        "youtube_title": "How to Solve a Rubik's Cube [Best Method 2026]",
        "start_time": "00:05:01",
        "end_time": "00:05:39",
        "start_sec": 301,
        "end_sec": 339
      },
      {
        "video_id": "0003_pt3",
        "video_path": "videos/youtube/cube/0003_pt3.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the orange sticker (at the bottom-left of the front face from the viewer's perspective) end up?\n\n(A) top-right\n(B) top-left\n(C) bottom-right\n(D) bottom-left",
        "answer_type": "mcq",
        "choices": [
          "top-right",
          "top-left",
          "bottom-right",
          "bottom-left"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=PW2J8IblczM",
        "youtube_id": "PW2J8IblczM",
        "youtube_title": "How to Solve a Rubik's Cube [Best Method 2026]",
        "start_time": "00:07:15",
        "end_time": "00:07:31",
        "start_sec": 435,
        "end_sec": 451
      },
      {
        "video_id": "0003_pt4",
        "video_path": "videos/youtube/cube/0003_pt4.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the orange sticker (at the top-left of the front face from the viewer's perspective) end up?\n\n(A) top-right\n(B) top-left\n(C) bottom-right\n(D) bottom-left",
        "answer_type": "mcq",
        "choices": [
          "top-right",
          "top-left",
          "bottom-right",
          "bottom-left"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=PW2J8IblczM",
        "youtube_id": "PW2J8IblczM",
        "youtube_title": "How to Solve a Rubik's Cube [Best Method 2026]",
        "start_time": "00:07:35",
        "end_time": "00:07:47",
        "start_sec": 455,
        "end_sec": 467
      },
      {
        "video_id": "0004_pt1_q0",
        "video_path": "videos/youtube/cube/0004_pt1.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the black sticker (at the bottom-left of the front face from the viewer's perspective) end up?\n\n(A) bottom-left\n(B) top-left\n(C) top-right\n(D) bottom-right",
        "answer_type": "mcq",
        "choices": [
          "bottom-left",
          "top-left",
          "top-right",
          "bottom-right"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=RcUAVc0tl0I",
        "youtube_id": "RcUAVc0tl0I",
        "youtube_title": "3X3 RÜBİK KÜP NASIL ÇÖZÜLÜR?",
        "start_time": "00:02:13",
        "end_time": "00:02:56",
        "start_sec": 133,
        "end_sec": 176
      },
      {
        "video_id": "0004_pt1_q1",
        "video_path": "videos/youtube/cube/0004_pt1.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the blue sticker (at the top-left of the front face from the viewer's perspective) end up?\n\n(A) top-right\n(B) top-left\n(C) bottom-right\n(D) bottom-left",
        "answer_type": "mcq",
        "choices": [
          "top-right",
          "top-left",
          "bottom-right",
          "bottom-left"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=RcUAVc0tl0I",
        "youtube_id": "RcUAVc0tl0I",
        "youtube_title": "3X3 RÜBİK KÜP NASIL ÇÖZÜLÜR?",
        "start_time": "00:02:13",
        "end_time": "00:02:56",
        "start_sec": 133,
        "end_sec": 176
      },
      {
        "video_id": "0004_pt1_q2",
        "video_path": "videos/youtube/cube/0004_pt1.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the yellow sticker (at the bottom-right of the front face from the viewer's perspective) end up?\n\n(A) top-right\n(B) bottom-right\n(C) bottom-left\n(D) top-left",
        "answer_type": "mcq",
        "choices": [
          "top-right",
          "bottom-right",
          "bottom-left",
          "top-left"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=RcUAVc0tl0I",
        "youtube_id": "RcUAVc0tl0I",
        "youtube_title": "3X3 RÜBİK KÜP NASIL ÇÖZÜLÜR?",
        "start_time": "00:02:13",
        "end_time": "00:02:56",
        "start_sec": 133,
        "end_sec": 176
      },
      {
        "video_id": "0004_pt2_q0",
        "video_path": "videos/youtube/cube/0004_pt2.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the blue sticker (at the top-left of the front face from the viewer's perspective) end up?\n\n(A) bottom-left\n(B) top-left\n(C) top-right\n(D) bottom-right",
        "answer_type": "mcq",
        "choices": [
          "bottom-left",
          "top-left",
          "top-right",
          "bottom-right"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=RcUAVc0tl0I",
        "youtube_id": "RcUAVc0tl0I",
        "youtube_title": "3X3 RÜBİK KÜP NASIL ÇÖZÜLÜR?",
        "start_time": "00:03:26",
        "end_time": "00:04:01",
        "start_sec": 206,
        "end_sec": 241
      },
      {
        "video_id": "0004_pt2_q1",
        "video_path": "videos/youtube/cube/0004_pt2.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the green sticker (at the top-right of the front face from the viewer's perspective) end up?\n\n(A) bottom-left\n(B) top-right\n(C) top-left\n(D) bottom-right",
        "answer_type": "mcq",
        "choices": [
          "bottom-left",
          "top-right",
          "top-left",
          "bottom-right"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=RcUAVc0tl0I",
        "youtube_id": "RcUAVc0tl0I",
        "youtube_title": "3X3 RÜBİK KÜP NASIL ÇÖZÜLÜR?",
        "start_time": "00:03:26",
        "end_time": "00:04:01",
        "start_sec": 206,
        "end_sec": 241
      },
      {
        "video_id": "0004_pt3",
        "video_path": "videos/youtube/cube/0004_pt3.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the red sticker (at the top-left of the front face from the viewer's perspective) end up?\n\n(A) bottom-left\n(B) top-right\n(C) bottom-right\n(D) top-left",
        "answer_type": "mcq",
        "choices": [
          "bottom-left",
          "top-right",
          "bottom-right",
          "top-left"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=RcUAVc0tl0I",
        "youtube_id": "RcUAVc0tl0I",
        "youtube_title": "3X3 RÜBİK KÜP NASIL ÇÖZÜLÜR?",
        "start_time": "00:10:15",
        "end_time": "00:10:37",
        "start_sec": 615,
        "end_sec": 637
      },
      {
        "video_id": "0005_pt1_q0",
        "video_path": "videos/youtube/cube/0005_pt1.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the red sticker (at the top-left of the front face from the viewer's perspective) end up?\n\n(A) bottom-right\n(B) top-right\n(C) bottom-left\n(D) top-left",
        "answer_type": "mcq",
        "choices": [
          "bottom-right",
          "top-right",
          "bottom-left",
          "top-left"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=7Ron6MN45LY",
        "youtube_id": "7Ron6MN45LY",
        "youtube_title": "Learn How to Solve a Rubik's Cube in 10 Minutes (Beginner Tutorial)",
        "start_time": "00:05:57",
        "end_time": "00:06:07",
        "start_sec": 357,
        "end_sec": 367
      },
      {
        "video_id": "0005_pt1_q1",
        "video_path": "videos/youtube/cube/0005_pt1.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the yellow sticker (at the top-right of the front face from the viewer's perspective) end up?\n\n(A) bottom-left\n(B) top-left\n(C) top-right\n(D) bottom-right",
        "answer_type": "mcq",
        "choices": [
          "bottom-left",
          "top-left",
          "top-right",
          "bottom-right"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=7Ron6MN45LY",
        "youtube_id": "7Ron6MN45LY",
        "youtube_title": "Learn How to Solve a Rubik's Cube in 10 Minutes (Beginner Tutorial)",
        "start_time": "00:05:57",
        "end_time": "00:06:07",
        "start_sec": 357,
        "end_sec": 367
      },
      {
        "video_id": "0005_pt2",
        "video_path": "videos/youtube/cube/0005_pt2.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the yellow sticker (at the top-left of the side that the person's left thumb is at) end up?\n\n(A) bottom-left\n(B) top-right\n(C) bottom-right\n(D) top-left",
        "answer_type": "mcq",
        "choices": [
          "bottom-left",
          "top-right",
          "bottom-right",
          "top-left"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=7Ron6MN45LY",
        "youtube_id": "7Ron6MN45LY",
        "youtube_title": "Learn How to Solve a Rubik's Cube in 10 Minutes (Beginner Tutorial)",
        "start_time": "00:06:54",
        "end_time": "00:07:16",
        "start_sec": 414,
        "end_sec": 436
      },
      {
        "video_id": "0005_pt3",
        "video_path": "videos/youtube/cube/0005_pt3.mp4",
        "video_source": "youtube",
        "source_task": "cube",
        "question": "Where does the cubie with the yellow sticker (at the top-left of the front face from the viewer's perspective) end up?\n\n(A) top-left\n(B) bottom-left\n(C) bottom-right\n(D) top-right",
        "answer_type": "mcq",
        "choices": [
          "top-left",
          "bottom-left",
          "bottom-right",
          "top-right"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=7Ron6MN45LY",
        "youtube_id": "7Ron6MN45LY",
        "youtube_title": "Learn How to Solve a Rubik's Cube in 10 Minutes (Beginner Tutorial)",
        "start_time": "00:07:18",
        "end_time": "00:08:14",
        "start_sec": 438,
        "end_sec": 494
      }
    ],
    "cup_stacking_1st": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0001_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_1st",
        "question": "What animal is drawn on the cup that is 1st from the bottom?\n\n(A) alligator\n(B) monkey\n(C) tiger\n(D) hippo",
        "answer_type": "mcq",
        "choices": [
          "alligator",
          "monkey",
          "tiger",
          "hippo"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0002_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_1st",
        "question": "What animal is drawn on the cup that is 1st from the bottom?\n\n(A) tiger\n(B) lion\n(C) hippo\n(D) giraffe",
        "answer_type": "mcq",
        "choices": [
          "tiger",
          "lion",
          "hippo",
          "giraffe"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0005_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0005_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_1st",
        "question": "What animal is drawn on the cup that is 1st from the bottom?\n\n(A) giraffe\n(B) hippo\n(C) lion\n(D) monkey",
        "answer_type": "mcq",
        "choices": [
          "giraffe",
          "hippo",
          "lion",
          "monkey"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0009_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0009_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_1st",
        "question": "What animal is drawn on the cup that is 1st from the bottom?\n\n(A) giraffe\n(B) zebra\n(C) monkey\n(D) hippo",
        "answer_type": "mcq",
        "choices": [
          "giraffe",
          "zebra",
          "monkey",
          "hippo"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      }
    ],
    "cup_stacking_2nd": [
      {
        "video_id": "0002_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0002_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_2nd",
        "question": "What animal is drawn on the cup that is 2nd from the bottom?\n\n(A) elephant\n(B) alligator\n(C) zebra\n(D) tiger",
        "answer_type": "mcq",
        "choices": [
          "elephant",
          "alligator",
          "zebra",
          "tiger"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0006_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0006_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_2nd",
        "question": "What animal is drawn on the cup that is 2nd from the bottom?\n\n(A) tiger\n(B) alligator\n(C) zebra\n(D) giraffe",
        "answer_type": "mcq",
        "choices": [
          "tiger",
          "alligator",
          "zebra",
          "giraffe"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0009_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0009_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_2nd",
        "question": "What animal is drawn on the cup that is 2nd from the bottom?\n\n(A) giraffe\n(B) alligator\n(C) monkey\n(D) lion",
        "answer_type": "mcq",
        "choices": [
          "giraffe",
          "alligator",
          "monkey",
          "lion"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      }
    ],
    "cup_stacking_3rd": [
      {
        "video_id": "0003_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0003_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_3rd",
        "question": "What animal is drawn on the cup that is 3rd from the bottom?\n\n(A) elephant\n(B) monkey\n(C) hippo\n(D) tiger",
        "answer_type": "mcq",
        "choices": [
          "elephant",
          "monkey",
          "hippo",
          "tiger"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0006_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0006_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_3rd",
        "question": "What animal is drawn on the cup that is 3rd from the bottom?\n\n(A) alligator\n(B) hippo\n(C) lion\n(D) zebra",
        "answer_type": "mcq",
        "choices": [
          "alligator",
          "hippo",
          "lion",
          "zebra"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0010_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0010_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_3rd",
        "question": "What animal is drawn on the cup that is 3rd from the bottom?\n\n(A) hippo\n(B) alligator\n(C) tiger\n(D) giraffe",
        "answer_type": "mcq",
        "choices": [
          "hippo",
          "alligator",
          "tiger",
          "giraffe"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      }
    ],
    "cup_stacking_4th": [
      {
        "video_id": "0003_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0003_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_4th",
        "question": "What animal is drawn on the cup that is 4th from the bottom?\n\n(A) lion\n(B) zebra\n(C) tiger\n(D) elephant",
        "answer_type": "mcq",
        "choices": [
          "lion",
          "zebra",
          "tiger",
          "elephant"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0007_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0007_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_4th",
        "question": "What animal is drawn on the cup that is 4th from the bottom?\n\n(A) elephant\n(B) monkey\n(C) zebra\n(D) giraffe",
        "answer_type": "mcq",
        "choices": [
          "elephant",
          "monkey",
          "zebra",
          "giraffe"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0010_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0010_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_4th",
        "question": "What animal is drawn on the cup that is 4th from the bottom?\n\n(A) alligator\n(B) zebra\n(C) elephant\n(D) giraffe",
        "answer_type": "mcq",
        "choices": [
          "alligator",
          "zebra",
          "elephant",
          "giraffe"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      }
    ],
    "cup_stacking_5th": [
      {
        "video_id": "0004_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0004_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_5th",
        "question": "What animal is drawn on the cup that is 5th from the bottom?\n\n(A) elephant\n(B) zebra\n(C) hippo\n(D) tiger",
        "answer_type": "mcq",
        "choices": [
          "elephant",
          "zebra",
          "hippo",
          "tiger"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0007_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0007_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_5th",
        "question": "What animal is drawn on the cup that is 5th from the bottom?\n\n(A) hippo\n(B) giraffe\n(C) monkey\n(D) lion",
        "answer_type": "mcq",
        "choices": [
          "hippo",
          "giraffe",
          "monkey",
          "lion"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      }
    ],
    "cup_stacking_6th": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0001_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_6th",
        "question": "What animal is drawn on the cup that is 6th from the bottom?\n\n(A) lion\n(B) zebra\n(C) tiger\n(D) giraffe",
        "answer_type": "mcq",
        "choices": [
          "lion",
          "zebra",
          "tiger",
          "giraffe"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0004_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0004_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_6th",
        "question": "What animal is drawn on the cup that is 6th from the bottom?\n\n(A) giraffe\n(B) zebra\n(C) tiger\n(D) hippo",
        "answer_type": "mcq",
        "choices": [
          "giraffe",
          "zebra",
          "tiger",
          "hippo"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0008_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0008_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_6th",
        "question": "What animal is drawn on the cup that is 6th from the bottom?\n\n(A) alligator\n(B) elephant\n(C) lion\n(D) hippo",
        "answer_type": "mcq",
        "choices": [
          "alligator",
          "elephant",
          "lion",
          "hippo"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      }
    ],
    "cup_stacking_7th": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0001_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_7th",
        "question": "What animal is drawn on the cup that is 7th from the bottom?\n\n(A) monkey\n(B) lion\n(C) tiger\n(D) zebra",
        "answer_type": "mcq",
        "choices": [
          "monkey",
          "lion",
          "tiger",
          "zebra"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0005_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0005_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_7th",
        "question": "What animal is drawn on the cup that is 7th from the bottom?\n\n(A) tiger\n(B) alligator\n(C) monkey\n(D) hippo",
        "answer_type": "mcq",
        "choices": [
          "tiger",
          "alligator",
          "monkey",
          "hippo"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0008_pt1",
        "video_path": "videos/self_recorded/cup_stacking/0008_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "cup_stacking_7th",
        "question": "What animal is drawn on the cup that is 7th from the bottom?\n\n(A) hippo\n(B) zebra\n(C) giraffe\n(D) tiger",
        "answer_type": "mcq",
        "choices": [
          "hippo",
          "zebra",
          "giraffe",
          "tiger"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      }
    ],
    "dice": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/synthetic/dice/0001_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Pink** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "occlusion",
          "action_ambiguity",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/synthetic/dice/0002_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Yellow** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/synthetic/dice/0003_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Yellow** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt1",
        "video_path": "videos/synthetic/dice/0004_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Blue** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt1",
        "video_path": "videos/synthetic/dice/0005_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Yellow** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0006_pt1",
        "video_path": "videos/synthetic/dice/0006_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Pink** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0007_pt1",
        "video_path": "videos/synthetic/dice/0007_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Pink** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0008_pt1",
        "video_path": "videos/synthetic/dice/0008_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Red** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0009_pt1",
        "video_path": "videos/synthetic/dice/0009_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Yellow** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0010_pt1",
        "video_path": "videos/synthetic/dice/0010_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Red** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0011_pt1",
        "video_path": "videos/synthetic/dice/0011_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Pink** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0012_pt1",
        "video_path": "videos/synthetic/dice/0012_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Green** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0013_pt1",
        "video_path": "videos/synthetic/dice/0013_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Green** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0014_pt1",
        "video_path": "videos/synthetic/dice/0014_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Pink** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0015_pt1",
        "video_path": "videos/synthetic/dice/0015_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Pink** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0016_pt1",
        "video_path": "videos/synthetic/dice/0016_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Blue** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0017_pt1",
        "video_path": "videos/synthetic/dice/0017_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Green** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0018_pt1",
        "video_path": "videos/synthetic/dice/0018_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Green** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0019_pt1",
        "video_path": "videos/synthetic/dice/0019_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Pink** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0020_pt1",
        "video_path": "videos/synthetic/dice/0020_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Yellow** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 0,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0021_pt1",
        "video_path": "videos/synthetic/dice/0021_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Pink** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0022_pt1",
        "video_path": "videos/synthetic/dice/0022_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Green** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0023_pt1",
        "video_path": "videos/synthetic/dice/0023_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Pink** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
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        "source_task": "dice",
        "question": "During the roll, how many times did the **Pink** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
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        "source_task": "dice",
        "question": "During the roll, how many times did the **Blue** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
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        "source_task": "dice",
        "question": "During the roll, how many times did the **Pink** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
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        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **White** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
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        "source_task": "dice",
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        "question": "During the roll, how many times did the **Green** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
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        "source_task": "dice",
        "question": "During the roll, how many times did the **Green** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
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        "state_element_type": "count",
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      {
        "video_id": "0031_pt1",
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        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Pink** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
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        "state_element_type": "count",
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      {
        "video_id": "0032_pt1",
        "video_path": "videos/synthetic/dice/0032_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Red** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
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        "answer": 2,
        "perceptual_complexity": [
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        "state_element_type": "count",
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      {
        "video_id": "0033_pt1",
        "video_path": "videos/synthetic/dice/0033_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Yellow** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
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        "answer": 1,
        "perceptual_complexity": [
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        "state_element_type": "count",
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      {
        "video_id": "0034_pt1",
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        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Yellow** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
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        "state_element_type": "count",
        "state_structure": "atomic",
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        "answer_index": null
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      {
        "video_id": "0035_pt1",
        "video_path": "videos/synthetic/dice/0035_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Yellow** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
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        "state_element_type": "count",
        "state_structure": "atomic",
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        "answer_index": null
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      {
        "video_id": "0036_pt1",
        "video_path": "videos/synthetic/dice/0036_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **White** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 0,
        "perceptual_complexity": [
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        "state_element_type": "count",
        "state_structure": "atomic",
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        "answer_index": null
      },
      {
        "video_id": "0037_pt1",
        "video_path": "videos/synthetic/dice/0037_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Pink** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
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        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0038_pt1",
        "video_path": "videos/synthetic/dice/0038_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **White** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
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        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0039_pt1",
        "video_path": "videos/synthetic/dice/0039_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Blue** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
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        "answer": 1,
        "perceptual_complexity": [
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        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0040_pt1",
        "video_path": "videos/synthetic/dice/0040_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Yellow** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
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        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0041_pt1",
        "video_path": "videos/synthetic/dice/0041_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Red** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
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        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0042_pt1",
        "video_path": "videos/synthetic/dice/0042_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Pink** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0043_pt1",
        "video_path": "videos/synthetic/dice/0043_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Green** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0044_pt1",
        "video_path": "videos/synthetic/dice/0044_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Yellow** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0045_pt1",
        "video_path": "videos/synthetic/dice/0045_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Pink** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0046_pt1",
        "video_path": "videos/synthetic/dice/0046_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Yellow** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0047_pt1",
        "video_path": "videos/synthetic/dice/0047_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Red** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 0,
        "perceptual_complexity": [
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        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0048_pt1",
        "video_path": "videos/synthetic/dice/0048_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Red** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
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        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0049_pt1",
        "video_path": "videos/synthetic/dice/0049_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Red** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 2,
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        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0050_pt1",
        "video_path": "videos/synthetic/dice/0050_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "dice",
        "question": "During the roll, how many times did the **Blue** face land on the bottom? (Consecutive stays count as 1, including the initial position)",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
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    ],
    "eating_contest": [
      {
        "video_id": "0001_pt1_q0",
        "video_path": "videos/youtube/eating_contest/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "eating_contest",
        "question": "How many burgers did the person on the left eat?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
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          "action_ambiguity"
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        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=f63qxa_lAdU",
        "youtube_id": "f63qxa_lAdU",
        "youtube_title": "Most burgers eaten in one minute - Guinness World Records",
        "start_time": "00:01:15",
        "end_time": "00:02:05",
        "start_sec": 75,
        "end_sec": 125,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q1",
        "video_path": "videos/youtube/eating_contest/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "eating_contest",
        "question": "How many burgers did the person on the right eat?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
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        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=f63qxa_lAdU",
        "youtube_id": "f63qxa_lAdU",
        "youtube_title": "Most burgers eaten in one minute - Guinness World Records",
        "start_time": "00:01:15",
        "end_time": "00:02:05",
        "start_sec": 75,
        "end_sec": 125,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q2",
        "video_path": "videos/youtube/eating_contest/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "eating_contest",
        "question": "From the viewer's perspective, what was the order in which the contestants finished eating their burgers?\n\n(A) [left, right, left, right, left, right, left]\n(B) [left, right, left, left, left, right, left]\n(C) [right, right, left, right, left, right, left]\n(D) [left, right, left, right, right, right, left]",
        "answer_type": "mcq",
        "choices": [
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          "[left, right, left, left, left, right, left]",
          "[right, right, left, right, left, right, left]",
          "[left, right, left, right, right, right, left]"
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        "answer_index": 0,
        "perceptual_complexity": [
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          "action_ambiguity"
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        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=f63qxa_lAdU",
        "youtube_id": "f63qxa_lAdU",
        "youtube_title": "Most burgers eaten in one minute - Guinness World Records",
        "start_time": "00:01:15",
        "end_time": "00:02:05",
        "start_sec": 75,
        "end_sec": 125
      },
      {
        "video_id": "0002_pt1_q0",
        "video_path": "videos/youtube/eating_contest/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "eating_contest",
        "question": "How many burgers did she finish eating, or appear to be about to finish?",
        "answer_type": "numeric",
        "answer": 10,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=I6HmlvQx64A",
        "youtube_id": "I6HmlvQx64A",
        "youtube_title": "Kinoshita Yuka [OoGui Eater] 100 Hamburger Challenge",
        "start_time": "00:01:00",
        "end_time": "00:01:37",
        "start_sec": 60,
        "end_sec": 97,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q1",
        "video_path": "videos/youtube/eating_contest/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "eating_contest",
        "question": "In chronological order, from which side of the table did the person pick up each burger and eat it: their right-hand side or their left-hand side?\n\n(A) [center, left, right, left, right, left, right, center, right, left]\n(B) [center, left, left, left, right, left, right, left, right, left]\n(C) [center, left, right, center, right, left, right, left, right, left]\n(D) [center, left, right, left, right, left, right, left, right, left]",
        "answer_type": "mcq",
        "choices": [
          "[center, left, right, left, right, left, right, center, right, left]",
          "[center, left, left, left, right, left, right, left, right, left]",
          "[center, left, right, center, right, left, right, left, right, left]",
          "[center, left, right, left, right, left, right, left, right, left]"
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        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "action_ambiguity"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=I6HmlvQx64A",
        "youtube_id": "I6HmlvQx64A",
        "youtube_title": "Kinoshita Yuka [OoGui Eater] 100 Hamburger Challenge",
        "start_time": "00:01:00",
        "end_time": "00:01:37",
        "start_sec": 60,
        "end_sec": 97
      },
      {
        "video_id": "0002_pt2",
        "video_path": "videos/youtube/eating_contest/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "eating_contest",
        "question": "How many burgers did she finish eating, or appear to be about to finish?",
        "answer_type": "numeric",
        "answer": 10,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=I6HmlvQx64A",
        "youtube_id": "I6HmlvQx64A",
        "youtube_title": "Kinoshita Yuka [OoGui Eater] 100 Hamburger Challenge",
        "start_time": "00:01:38",
        "end_time": "00:02:14",
        "start_sec": 98,
        "end_sec": 134,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt3",
        "video_path": "videos/youtube/eating_contest/0002_pt3.mp4",
        "video_source": "youtube",
        "source_task": "eating_contest",
        "question": "How many burgers did she finish eating, or appear to be about to finish?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=I6HmlvQx64A",
        "youtube_id": "I6HmlvQx64A",
        "youtube_title": "Kinoshita Yuka [OoGui Eater] 100 Hamburger Challenge",
        "start_time": "00:02:15",
        "end_time": "00:02:56",
        "start_sec": 135,
        "end_sec": 176,
        "choices": [],
        "answer_index": null
      }
    ],
    "funnel_ball": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/synthetic/funnel_ball/0001_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_1\n(B) ball_2\n(C) ball_3\n(D) ball_4",
        "answer_type": "mcq",
        "choices": [
          "ball_1",
          "ball_2",
          "ball_3",
          "ball_4"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/synthetic/funnel_ball/0002_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_1\n(B) ball_3\n(C) ball_2\n(D) ball_6",
        "answer_type": "mcq",
        "choices": [
          "ball_1",
          "ball_3",
          "ball_2",
          "ball_6"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/synthetic/funnel_ball/0003_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_1\n(B) ball_4\n(C) ball_2\n(D) ball_3",
        "answer_type": "mcq",
        "choices": [
          "ball_1",
          "ball_4",
          "ball_2",
          "ball_3"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0004_pt1",
        "video_path": "videos/synthetic/funnel_ball/0004_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_5\n(B) ball_2\n(C) ball_3\n(D) ball_4",
        "answer_type": "mcq",
        "choices": [
          "ball_5",
          "ball_2",
          "ball_3",
          "ball_4"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0005_pt1",
        "video_path": "videos/synthetic/funnel_ball/0005_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_2\n(B) ball_6\n(C) ball_3\n(D) ball_4",
        "answer_type": "mcq",
        "choices": [
          "ball_2",
          "ball_6",
          "ball_3",
          "ball_4"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0006_pt1",
        "video_path": "videos/synthetic/funnel_ball/0006_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_2\n(B) ball_5\n(C) ball_1\n(D) ball_6",
        "answer_type": "mcq",
        "choices": [
          "ball_2",
          "ball_5",
          "ball_1",
          "ball_6"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0007_pt1",
        "video_path": "videos/synthetic/funnel_ball/0007_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_3\n(B) ball_2\n(C) ball_6\n(D) ball_4",
        "answer_type": "mcq",
        "choices": [
          "ball_3",
          "ball_2",
          "ball_6",
          "ball_4"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0008_pt1",
        "video_path": "videos/synthetic/funnel_ball/0008_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_4\n(B) ball_1\n(C) ball_2\n(D) ball_6",
        "answer_type": "mcq",
        "choices": [
          "ball_4",
          "ball_1",
          "ball_2",
          "ball_6"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0009_pt1",
        "video_path": "videos/synthetic/funnel_ball/0009_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_6\n(B) ball_5\n(C) ball_1\n(D) ball_4",
        "answer_type": "mcq",
        "choices": [
          "ball_6",
          "ball_5",
          "ball_1",
          "ball_4"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0010_pt1",
        "video_path": "videos/synthetic/funnel_ball/0010_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_5\n(B) ball_1\n(C) ball_6\n(D) ball_2",
        "answer_type": "mcq",
        "choices": [
          "ball_5",
          "ball_1",
          "ball_6",
          "ball_2"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0011_pt1",
        "video_path": "videos/synthetic/funnel_ball/0011_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_4\n(B) ball_5\n(C) ball_1\n(D) ball_3",
        "answer_type": "mcq",
        "choices": [
          "ball_4",
          "ball_5",
          "ball_1",
          "ball_3"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0012_pt1",
        "video_path": "videos/synthetic/funnel_ball/0012_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_6\n(B) ball_1\n(C) ball_2\n(D) ball_3",
        "answer_type": "mcq",
        "choices": [
          "ball_6",
          "ball_1",
          "ball_2",
          "ball_3"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0013_pt1",
        "video_path": "videos/synthetic/funnel_ball/0013_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_5\n(B) ball_4\n(C) ball_2\n(D) ball_3",
        "answer_type": "mcq",
        "choices": [
          "ball_5",
          "ball_4",
          "ball_2",
          "ball_3"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0014_pt1",
        "video_path": "videos/synthetic/funnel_ball/0014_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_2\n(B) ball_5\n(C) ball_6\n(D) ball_3",
        "answer_type": "mcq",
        "choices": [
          "ball_2",
          "ball_5",
          "ball_6",
          "ball_3"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0015_pt1",
        "video_path": "videos/synthetic/funnel_ball/0015_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_1\n(B) ball_4\n(C) ball_6\n(D) ball_5",
        "answer_type": "mcq",
        "choices": [
          "ball_1",
          "ball_4",
          "ball_6",
          "ball_5"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0016_pt1",
        "video_path": "videos/synthetic/funnel_ball/0016_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_6\n(B) ball_4\n(C) ball_1\n(D) ball_2",
        "answer_type": "mcq",
        "choices": [
          "ball_6",
          "ball_4",
          "ball_1",
          "ball_2"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0017_pt1",
        "video_path": "videos/synthetic/funnel_ball/0017_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_6\n(B) ball_1\n(C) ball_2\n(D) ball_4",
        "answer_type": "mcq",
        "choices": [
          "ball_6",
          "ball_1",
          "ball_2",
          "ball_4"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0018_pt1",
        "video_path": "videos/synthetic/funnel_ball/0018_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_3\n(B) ball_6\n(C) ball_1\n(D) ball_2",
        "answer_type": "mcq",
        "choices": [
          "ball_3",
          "ball_6",
          "ball_1",
          "ball_2"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0019_pt1",
        "video_path": "videos/synthetic/funnel_ball/0019_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_3\n(B) ball_2\n(C) ball_1\n(D) ball_4",
        "answer_type": "mcq",
        "choices": [
          "ball_3",
          "ball_2",
          "ball_1",
          "ball_4"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0020_pt1",
        "video_path": "videos/synthetic/funnel_ball/0020_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_3\n(B) ball_2\n(C) ball_1\n(D) ball_4",
        "answer_type": "mcq",
        "choices": [
          "ball_3",
          "ball_2",
          "ball_1",
          "ball_4"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0021_pt1",
        "video_path": "videos/synthetic/funnel_ball/0021_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_4\n(B) ball_6\n(C) ball_3\n(D) ball_5",
        "answer_type": "mcq",
        "choices": [
          "ball_4",
          "ball_6",
          "ball_3",
          "ball_5"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0022_pt1",
        "video_path": "videos/synthetic/funnel_ball/0022_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_4\n(B) ball_1\n(C) ball_3\n(D) ball_5",
        "answer_type": "mcq",
        "choices": [
          "ball_4",
          "ball_1",
          "ball_3",
          "ball_5"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0023_pt1",
        "video_path": "videos/synthetic/funnel_ball/0023_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_2\n(B) ball_3\n(C) ball_5\n(D) ball_1",
        "answer_type": "mcq",
        "choices": [
          "ball_2",
          "ball_3",
          "ball_5",
          "ball_1"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0024_pt1",
        "video_path": "videos/synthetic/funnel_ball/0024_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_1\n(B) ball_4\n(C) ball_3\n(D) ball_5",
        "answer_type": "mcq",
        "choices": [
          "ball_1",
          "ball_4",
          "ball_3",
          "ball_5"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0025_pt1",
        "video_path": "videos/synthetic/funnel_ball/0025_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_1\n(B) ball_6\n(C) ball_2\n(D) ball_4",
        "answer_type": "mcq",
        "choices": [
          "ball_1",
          "ball_6",
          "ball_2",
          "ball_4"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0026_pt1",
        "video_path": "videos/synthetic/funnel_ball/0026_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_3\n(B) ball_4\n(C) ball_5\n(D) ball_1",
        "answer_type": "mcq",
        "choices": [
          "ball_3",
          "ball_4",
          "ball_5",
          "ball_1"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0027_pt1",
        "video_path": "videos/synthetic/funnel_ball/0027_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_4\n(B) ball_6\n(C) ball_1\n(D) ball_2",
        "answer_type": "mcq",
        "choices": [
          "ball_4",
          "ball_6",
          "ball_1",
          "ball_2"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0028_pt1",
        "video_path": "videos/synthetic/funnel_ball/0028_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_1\n(B) ball_5\n(C) ball_6\n(D) ball_2",
        "answer_type": "mcq",
        "choices": [
          "ball_1",
          "ball_5",
          "ball_6",
          "ball_2"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0029_pt1",
        "video_path": "videos/synthetic/funnel_ball/0029_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_3\n(B) ball_1\n(C) ball_2\n(D) ball_6",
        "answer_type": "mcq",
        "choices": [
          "ball_3",
          "ball_1",
          "ball_2",
          "ball_6"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0030_pt1",
        "video_path": "videos/synthetic/funnel_ball/0030_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_4\n(B) ball_2\n(C) ball_1\n(D) ball_6",
        "answer_type": "mcq",
        "choices": [
          "ball_4",
          "ball_2",
          "ball_1",
          "ball_6"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0031_pt1",
        "video_path": "videos/synthetic/funnel_ball/0031_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_6\n(B) ball_5\n(C) ball_3\n(D) ball_4",
        "answer_type": "mcq",
        "choices": [
          "ball_6",
          "ball_5",
          "ball_3",
          "ball_4"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0032_pt1",
        "video_path": "videos/synthetic/funnel_ball/0032_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_2\n(B) ball_4\n(C) ball_6\n(D) ball_1",
        "answer_type": "mcq",
        "choices": [
          "ball_2",
          "ball_4",
          "ball_6",
          "ball_1"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0033_pt1",
        "video_path": "videos/synthetic/funnel_ball/0033_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_3\n(B) ball_6\n(C) ball_1\n(D) ball_4",
        "answer_type": "mcq",
        "choices": [
          "ball_3",
          "ball_6",
          "ball_1",
          "ball_4"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0034_pt1",
        "video_path": "videos/synthetic/funnel_ball/0034_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_6\n(B) ball_1\n(C) ball_5\n(D) ball_4",
        "answer_type": "mcq",
        "choices": [
          "ball_6",
          "ball_1",
          "ball_5",
          "ball_4"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0035_pt1",
        "video_path": "videos/synthetic/funnel_ball/0035_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_5\n(B) ball_3\n(C) ball_1\n(D) ball_4",
        "answer_type": "mcq",
        "choices": [
          "ball_5",
          "ball_3",
          "ball_1",
          "ball_4"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0036_pt1",
        "video_path": "videos/synthetic/funnel_ball/0036_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_2\n(B) ball_3\n(C) ball_6\n(D) ball_1",
        "answer_type": "mcq",
        "choices": [
          "ball_2",
          "ball_3",
          "ball_6",
          "ball_1"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0037_pt1",
        "video_path": "videos/synthetic/funnel_ball/0037_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_4\n(B) ball_2\n(C) ball_6\n(D) ball_5",
        "answer_type": "mcq",
        "choices": [
          "ball_4",
          "ball_2",
          "ball_6",
          "ball_5"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0038_pt1",
        "video_path": "videos/synthetic/funnel_ball/0038_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_4\n(B) ball_6\n(C) ball_1\n(D) ball_5",
        "answer_type": "mcq",
        "choices": [
          "ball_4",
          "ball_6",
          "ball_1",
          "ball_5"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0039_pt1",
        "video_path": "videos/synthetic/funnel_ball/0039_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_2\n(B) ball_1\n(C) ball_4\n(D) ball_6",
        "answer_type": "mcq",
        "choices": [
          "ball_2",
          "ball_1",
          "ball_4",
          "ball_6"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0040_pt1",
        "video_path": "videos/synthetic/funnel_ball/0040_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_3\n(B) ball_1\n(C) ball_2\n(D) ball_5",
        "answer_type": "mcq",
        "choices": [
          "ball_3",
          "ball_1",
          "ball_2",
          "ball_5"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0041_pt1",
        "video_path": "videos/synthetic/funnel_ball/0041_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_6\n(B) ball_1\n(C) ball_5\n(D) ball_3",
        "answer_type": "mcq",
        "choices": [
          "ball_6",
          "ball_1",
          "ball_5",
          "ball_3"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0042_pt1",
        "video_path": "videos/synthetic/funnel_ball/0042_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_1\n(B) ball_4\n(C) ball_6\n(D) ball_5",
        "answer_type": "mcq",
        "choices": [
          "ball_1",
          "ball_4",
          "ball_6",
          "ball_5"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0043_pt1",
        "video_path": "videos/synthetic/funnel_ball/0043_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_1\n(B) ball_6\n(C) ball_5\n(D) ball_4",
        "answer_type": "mcq",
        "choices": [
          "ball_1",
          "ball_6",
          "ball_5",
          "ball_4"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0044_pt1",
        "video_path": "videos/synthetic/funnel_ball/0044_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_5\n(B) ball_1\n(C) ball_6\n(D) ball_2",
        "answer_type": "mcq",
        "choices": [
          "ball_5",
          "ball_1",
          "ball_6",
          "ball_2"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0045_pt1",
        "video_path": "videos/synthetic/funnel_ball/0045_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_5\n(B) ball_6\n(C) ball_1\n(D) ball_3",
        "answer_type": "mcq",
        "choices": [
          "ball_5",
          "ball_6",
          "ball_1",
          "ball_3"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0046_pt1",
        "video_path": "videos/synthetic/funnel_ball/0046_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_6\n(B) ball_3\n(C) ball_1\n(D) ball_2",
        "answer_type": "mcq",
        "choices": [
          "ball_6",
          "ball_3",
          "ball_1",
          "ball_2"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0047_pt1",
        "video_path": "videos/synthetic/funnel_ball/0047_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_3\n(B) ball_5\n(C) ball_1\n(D) ball_4",
        "answer_type": "mcq",
        "choices": [
          "ball_3",
          "ball_5",
          "ball_1",
          "ball_4"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0048_pt1",
        "video_path": "videos/synthetic/funnel_ball/0048_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_5\n(B) ball_3\n(C) ball_1\n(D) ball_6",
        "answer_type": "mcq",
        "choices": [
          "ball_5",
          "ball_3",
          "ball_1",
          "ball_6"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0049_pt1",
        "video_path": "videos/synthetic/funnel_ball/0049_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_6\n(B) ball_3\n(C) ball_5\n(D) ball_1",
        "answer_type": "mcq",
        "choices": [
          "ball_6",
          "ball_3",
          "ball_5",
          "ball_1"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0050_pt1",
        "video_path": "videos/synthetic/funnel_ball/0050_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "funnel_ball",
        "question": "Balls are indexed left-to-right in the last frame before any release from `ball_1` through `ball_6`. Which ball took the longest time to fall through the hole after its own release?\n\n(A) ball_3\n(B) ball_1\n(C) ball_5\n(D) ball_2",
        "answer_type": "mcq",
        "choices": [
          "ball_3",
          "ball_1",
          "ball_5",
          "ball_2"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "dictionary"
      }
    ],
    "graffiti": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/youtube/graffiti/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "graffiti",
        "question": "What is the letter being drawn on the wall?\n\n(A) Z\n(B) 5\n(C) C\n(D) S",
        "answer_type": "mcq",
        "choices": [
          "Z",
          "5",
          "C",
          "S"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "camera_motion",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=dUn1ErACDws",
        "youtube_id": "dUn1ErACDws",
        "youtube_title": "Graffiti Letters Economic Roller Style",
        "start_time": "00:01:58",
        "end_time": "00:02:19.033",
        "start_sec": 118,
        "end_sec": 139.033
      },
      {
        "video_id": "0001_pt2",
        "video_path": "videos/youtube/graffiti/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "graffiti",
        "question": "What is the letter being drawn on the wall?\n\n(A) R\n(B) K\n(C) X\n(D) Y",
        "answer_type": "mcq",
        "choices": [
          "R",
          "K",
          "X",
          "Y"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "camera_motion",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=dUn1ErACDws",
        "youtube_id": "dUn1ErACDws",
        "youtube_title": "Graffiti Letters Economic Roller Style",
        "start_time": "00:02:20",
        "end_time": "00:02:32",
        "start_sec": 140,
        "end_sec": 152
      },
      {
        "video_id": "0001_pt3",
        "video_path": "videos/youtube/graffiti/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "graffiti",
        "question": "What is the letter being drawn on the wall?\n\n(A) V\n(B) Y\n(C) W\n(D) 7",
        "answer_type": "mcq",
        "choices": [
          "V",
          "Y",
          "W",
          "7"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "camera_motion",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=dUn1ErACDws",
        "youtube_id": "dUn1ErACDws",
        "youtube_title": "Graffiti Letters Economic Roller Style",
        "start_time": "00:02:31",
        "end_time": "00:02:44",
        "start_sec": 151,
        "end_sec": 164
      },
      {
        "video_id": "0001_pt4",
        "video_path": "videos/youtube/graffiti/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "graffiti",
        "question": "What is the number being drawn on the wall?\n\n(A) 3\n(B) 7\n(C) 2\n(D) 4",
        "answer_type": "mcq",
        "choices": [
          "3",
          "7",
          "2",
          "4"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "camera_motion",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=dUn1ErACDws",
        "youtube_id": "dUn1ErACDws",
        "youtube_title": "Graffiti Letters Economic Roller Style",
        "start_time": "00:02:46",
        "end_time": "00:03:00",
        "start_sec": 166,
        "end_sec": 180
      },
      {
        "video_id": "0001_pt5",
        "video_path": "videos/youtube/graffiti/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "graffiti",
        "question": "What is the letter being outlined on the wall?\n\n(A) Z\n(B) C\n(C) 5\n(D) S",
        "answer_type": "mcq",
        "choices": [
          "Z",
          "C",
          "5",
          "S"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "camera_motion",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=dUn1ErACDws",
        "youtube_id": "dUn1ErACDws",
        "youtube_title": "Graffiti Letters Economic Roller Style",
        "start_time": "00:15:04",
        "end_time": "00:15:51.500",
        "start_sec": 904,
        "end_sec": null
      },
      {
        "video_id": "0001_pt6",
        "video_path": "videos/youtube/graffiti/0001_pt6.mp4",
        "video_source": "youtube",
        "source_task": "graffiti",
        "question": "What is the letter being outlined on the wall?\n\n(A) V and Z\n(B) Y and Z\n(C) V and 2\n(D) Y and 2",
        "answer_type": "mcq",
        "choices": [
          "V and Z",
          "Y and Z",
          "V and 2",
          "Y and 2"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "camera_motion",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=dUn1ErACDws",
        "youtube_id": "dUn1ErACDws",
        "youtube_title": "Graffiti Letters Economic Roller Style",
        "start_time": "00:17:50",
        "end_time": "00:18:35.1",
        "start_sec": 1070,
        "end_sec": 1115.1
      },
      {
        "video_id": "0001_pt7",
        "video_path": "videos/youtube/graffiti/0001_pt7.mp4",
        "video_source": "youtube",
        "source_task": "graffiti",
        "question": "How many white rectangles are covered by red paint on the wall?\n\n(A) 2\n(B) 4\n(C) 5\n(D) 3",
        "answer_type": "mcq",
        "choices": [
          "2",
          "4",
          "5",
          "3"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "camera_motion",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=dUn1ErACDws",
        "youtube_id": "dUn1ErACDws",
        "youtube_title": "Graffiti Letters Economic Roller Style",
        "start_time": "00:20:45",
        "end_time": "00:21:58",
        "start_sec": 1245,
        "end_sec": 1318
      },
      {
        "video_id": "0001_pt8",
        "video_path": "videos/youtube/graffiti/0001_pt8.mp4",
        "video_source": "youtube",
        "source_task": "graffiti",
        "question": "How many blanks are covered by red paint on the wall?\n\n(A) 3\n(B) 4\n(C) 2\n(D) 1",
        "answer_type": "mcq",
        "choices": [
          "3",
          "4",
          "2",
          "1"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "camera_motion",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=dUn1ErACDws",
        "youtube_id": "dUn1ErACDws",
        "youtube_title": "Graffiti Letters Economic Roller Style",
        "start_time": "00:22:12",
        "end_time": "00:22:58",
        "start_sec": 1332,
        "end_sec": 1378
      },
      {
        "video_id": "0001_pt9",
        "video_path": "videos/youtube/graffiti/0001_pt9.mp4",
        "video_source": "youtube",
        "source_task": "graffiti",
        "question": "How many different rectangles are drawn?\n\n(A) 2\n(B) 4\n(C) 5\n(D) 3",
        "answer_type": "mcq",
        "choices": [
          "2",
          "4",
          "5",
          "3"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "camera_motion",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=dUn1ErACDws",
        "youtube_id": "dUn1ErACDws",
        "youtube_title": "Graffiti Letters Economic Roller Style",
        "start_time": "00:29:12",
        "end_time": "00:29:32",
        "start_sec": 1752,
        "end_sec": 1772
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/youtube/graffiti/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "graffiti",
        "question": "What's the alphabetical letter being drawn?\n\n(A) S\n(B) N\n(C) E\n(D) Z",
        "answer_type": "mcq",
        "choices": [
          "S",
          "N",
          "E",
          "Z"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "camera_motion",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=G37ODQ2yWnM",
        "youtube_id": "G37ODQ2yWnM",
        "youtube_title": "Noob or pro??? Follow 4 more letters!!!!",
        "start_time": "00:00:07",
        "end_time": "00:00:20",
        "start_sec": 7,
        "end_sec": 20
      },
      {
        "video_id": "0002_pt2",
        "video_path": "videos/youtube/graffiti/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "graffiti",
        "question": "What's the alphabetical letter being drawn?\n\n(A) S\n(B) 2\n(C) N\n(D) Z",
        "answer_type": "mcq",
        "choices": [
          "S",
          "2",
          "N",
          "Z"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "camera_motion",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=G37ODQ2yWnM",
        "youtube_id": "G37ODQ2yWnM",
        "youtube_title": "Noob or pro??? Follow 4 more letters!!!!",
        "start_time": "00:00:26",
        "end_time": "00:00:32",
        "start_sec": 26,
        "end_sec": 32
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/youtube/graffiti/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "graffiti",
        "question": "What's the word being drawn?\n\n(A) SVMSUNG\n(B) SAHSUNG\n(C) CAMSUNG\n(D) SAMSUNG",
        "answer_type": "mcq",
        "choices": [
          "SVMSUNG",
          "SAHSUNG",
          "CAMSUNG",
          "SAMSUNG"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "camera_motion",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=Z60nas68BXU",
        "youtube_id": "Z60nas68BXU",
        "youtube_title": "Creéis que lo verá @Samsung ??",
        "start_time": "00:00:02",
        "end_time": "00:00:35",
        "start_sec": 2,
        "end_sec": 35
      },
      {
        "video_id": "0004_pt1",
        "video_path": "videos/youtube/graffiti/0004_pt1.mp4",
        "video_source": "youtube",
        "source_task": "graffiti",
        "question": "What's the letter being drawn?\n\n(A) K\n(B) Y\n(C) X\n(D) R",
        "answer_type": "mcq",
        "choices": [
          "K",
          "Y",
          "X",
          "R"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "camera_motion",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=C8c5ZYk1Ark",
        "youtube_id": "C8c5ZYk1Ark",
        "youtube_title": "Graffiti Letters Economic Roller Style 2",
        "start_time": "00:00:45",
        "end_time": "00:01:29",
        "start_sec": 45,
        "end_sec": 89
      },
      {
        "video_id": "0004_pt2",
        "video_path": "videos/youtube/graffiti/0004_pt2.mp4",
        "video_source": "youtube",
        "source_task": "graffiti",
        "question": "What's the letter being drawn?\n\n(A) Z\n(B) 5\n(C) C\n(D) S",
        "answer_type": "mcq",
        "choices": [
          "Z",
          "5",
          "C",
          "S"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "camera_motion",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=C8c5ZYk1Ark",
        "youtube_id": "C8c5ZYk1Ark",
        "youtube_title": "Graffiti Letters Economic Roller Style 2",
        "start_time": "00:02:19",
        "end_time": "00:02:44",
        "start_sec": 139,
        "end_sec": 164
      },
      {
        "video_id": "0004_pt3",
        "video_path": "videos/youtube/graffiti/0004_pt3.mp4",
        "video_source": "youtube",
        "source_task": "graffiti",
        "question": "What's the letter being drawn?\n\n(A) K\n(B) X\n(C) Y\n(D) R",
        "answer_type": "mcq",
        "choices": [
          "K",
          "X",
          "Y",
          "R"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "camera_motion",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=C8c5ZYk1Ark",
        "youtube_id": "C8c5ZYk1Ark",
        "youtube_title": "Graffiti Letters Economic Roller Style 2",
        "start_time": "00:02:44",
        "end_time": "00:03:09",
        "start_sec": 164,
        "end_sec": 189
      },
      {
        "video_id": "0005_pt1",
        "video_path": "videos/youtube/graffiti/0005_pt1.mp4",
        "video_source": "youtube",
        "source_task": "graffiti",
        "question": "What's the word being drawn?\n\n(A) VEKBOY\n(B) YEKBOY\n(C) WEKBOY\n(D) MEKBOY",
        "answer_type": "mcq",
        "choices": [
          "VEKBOY",
          "YEKBOY",
          "WEKBOY",
          "MEKBOY"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "camera_motion",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=gri5ELjXi08",
        "youtube_id": "gri5ELjXi08",
        "youtube_title": "Graffiti trip pART31 Tbilisi train line 22",
        "start_time": "00:07:00",
        "end_time": "00:07:14",
        "start_sec": 420,
        "end_sec": 434
      }
    ],
    "hockey": [
      {
        "video_id": "0001_pt1_q0",
        "video_path": "videos/synthetic/hockey/0001_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "How many own goals were committed in total across all games?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q1",
        "video_path": "videos/synthetic/hockey/0001_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "What is the final score (red-blue)?\n\n(A) 2-2\n(B) 3-1\n(C) 0-4\n(D) 4-0",
        "answer_type": "mcq",
        "choices": [
          "2-2",
          "3-1",
          "0-4",
          "4-0"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0001_pt1_q2",
        "video_path": "videos/synthetic/hockey/0001_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "Which game had the longest duration?\n\n(A) Game 3\n(B) Game 1\n(C) Game 2\n(D) Game 4",
        "answer_type": "mcq",
        "choices": [
          "Game 3",
          "Game 1",
          "Game 2",
          "Game 4"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0002_pt1_q0",
        "video_path": "videos/synthetic/hockey/0002_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "How many own goals were committed in total across all games?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q1",
        "video_path": "videos/synthetic/hockey/0002_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "What is the final score (red-blue)?\n\n(A) 2-2\n(B) 0-4\n(C) 1-3\n(D) 3-1",
        "answer_type": "mcq",
        "choices": [
          "2-2",
          "0-4",
          "1-3",
          "3-1"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0002_pt1_q2",
        "video_path": "videos/synthetic/hockey/0002_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "Which game had the longest duration?\n\n(A) Game 3\n(B) Game 2\n(C) Game 1\n(D) Game 4",
        "answer_type": "mcq",
        "choices": [
          "Game 3",
          "Game 2",
          "Game 1",
          "Game 4"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0003_pt1_q0",
        "video_path": "videos/synthetic/hockey/0003_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "How many own goals were committed in total across all games?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1_q1",
        "video_path": "videos/synthetic/hockey/0003_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "What is the final score (red-blue)?\n\n(A) 1-3\n(B) 0-4\n(C) 4-0\n(D) 3-1",
        "answer_type": "mcq",
        "choices": [
          "1-3",
          "0-4",
          "4-0",
          "3-1"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0003_pt1_q2",
        "video_path": "videos/synthetic/hockey/0003_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "Which game had the longest duration?\n\n(A) Game 4\n(B) Game 3\n(C) Game 2\n(D) Game 1",
        "answer_type": "mcq",
        "choices": [
          "Game 4",
          "Game 3",
          "Game 2",
          "Game 1"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0004_pt1_q0",
        "video_path": "videos/synthetic/hockey/0004_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "How many own goals were committed in total across all games?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt1_q1",
        "video_path": "videos/synthetic/hockey/0004_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "What is the final score (red-blue)?\n\n(A) 3-1\n(B) 0-4\n(C) 1-3\n(D) 2-2",
        "answer_type": "mcq",
        "choices": [
          "3-1",
          "0-4",
          "1-3",
          "2-2"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0004_pt1_q2",
        "video_path": "videos/synthetic/hockey/0004_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "Which game had the longest duration?\n\n(A) Game 2\n(B) Game 1\n(C) Game 4\n(D) Game 3",
        "answer_type": "mcq",
        "choices": [
          "Game 2",
          "Game 1",
          "Game 4",
          "Game 3"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0005_pt1_q0",
        "video_path": "videos/synthetic/hockey/0005_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "How many own goals were committed in total across all games?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt1_q1",
        "video_path": "videos/synthetic/hockey/0005_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "What is the final score (red-blue)?\n\n(A) 4-0\n(B) 2-2\n(C) 0-4\n(D) 3-1",
        "answer_type": "mcq",
        "choices": [
          "4-0",
          "2-2",
          "0-4",
          "3-1"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0005_pt1_q2",
        "video_path": "videos/synthetic/hockey/0005_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "Which game had the longest duration?\n\n(A) Game 2\n(B) Game 4\n(C) Game 3\n(D) Game 1",
        "answer_type": "mcq",
        "choices": [
          "Game 2",
          "Game 4",
          "Game 3",
          "Game 1"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0006_pt1_q0",
        "video_path": "videos/synthetic/hockey/0006_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "How many own goals were committed in total across all games?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0006_pt1_q1",
        "video_path": "videos/synthetic/hockey/0006_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "What is the final score (red-blue)?\n\n(A) 3-1\n(B) 4-0\n(C) 2-2\n(D) 0-4",
        "answer_type": "mcq",
        "choices": [
          "3-1",
          "4-0",
          "2-2",
          "0-4"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0006_pt1_q2",
        "video_path": "videos/synthetic/hockey/0006_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "Which game had the longest duration?\n\n(A) Game 4\n(B) Game 1\n(C) Game 2\n(D) Game 3",
        "answer_type": "mcq",
        "choices": [
          "Game 4",
          "Game 1",
          "Game 2",
          "Game 3"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0007_pt1_q0",
        "video_path": "videos/synthetic/hockey/0007_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "How many own goals were committed in total across all games?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0007_pt1_q1",
        "video_path": "videos/synthetic/hockey/0007_pt1.mp4",
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        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "Which game had the longest duration?\n\n(A) Game 3\n(B) Game 1\n(C) Game 4\n(D) Game 2",
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        "question": "Which game had the longest duration?\n\n(A) Game 2\n(B) Game 4\n(C) Game 1\n(D) Game 3",
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        "source_task": "hockey",
        "question": "How many own goals were committed in total across all games?",
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        "source_task": "hockey",
        "question": "What is the final score (red-blue)?\n\n(A) 2-2\n(B) 4-0\n(C) 1-3\n(D) 0-4",
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        "source_task": "hockey",
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        "source_task": "hockey",
        "question": "What is the final score (red-blue)?\n\n(A) 0-4\n(B) 4-0\n(C) 2-2\n(D) 3-1",
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        "source_task": "hockey",
        "question": "Which game had the longest duration?\n\n(A) Game 1\n(B) Game 4\n(C) Game 2\n(D) Game 3",
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        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "How many own goals were committed in total across all games?",
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        "source_task": "hockey",
        "question": "What is the final score (red-blue)?\n\n(A) 3-1\n(B) 2-2\n(C) 4-0\n(D) 0-4",
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        "state_element_type": "count",
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        "video_id": "0046_pt1_q2",
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        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "Which game had the longest duration?\n\n(A) Game 3\n(B) Game 1\n(C) Game 2\n(D) Game 4",
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        "state_element_type": "attribute",
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        "video_id": "0047_pt1_q0",
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        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "How many own goals were committed in total across all games?",
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        "video_id": "0047_pt1_q1",
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        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "What is the final score (red-blue)?\n\n(A) 3-1\n(B) 0-4\n(C) 1-3\n(D) 2-2",
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        "state_element_type": "count",
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        "video_path": "videos/synthetic/hockey/0047_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "Which game had the longest duration?\n\n(A) Game 2\n(B) Game 1\n(C) Game 3\n(D) Game 4",
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        "state_element_type": "attribute",
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        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "How many own goals were committed in total across all games?",
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        "perceptual_complexity": [
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      {
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        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "What is the final score (red-blue)?\n\n(A) 1-3\n(B) 4-0\n(C) 0-4\n(D) 3-1",
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        "state_element_type": "count",
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        "video_path": "videos/synthetic/hockey/0048_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "Which game had the longest duration?\n\n(A) Game 2\n(B) Game 1\n(C) Game 3\n(D) Game 4",
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        "answer_index": 3,
        "perceptual_complexity": [
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        "state_element_type": "attribute",
        "state_structure": "sequence"
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        "video_path": "videos/synthetic/hockey/0049_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "How many own goals were committed in total across all games?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
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        "state_element_type": "count",
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      },
      {
        "video_id": "0049_pt1_q1",
        "video_path": "videos/synthetic/hockey/0049_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "What is the final score (red-blue)?\n\n(A) 4-0\n(B) 1-3\n(C) 2-2\n(D) 0-4",
        "answer_type": "mcq",
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          "4-0",
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        "answer": "C",
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        "perceptual_complexity": [
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        "state_element_type": "count",
        "state_structure": "dictionary"
      },
      {
        "video_id": "0049_pt1_q2",
        "video_path": "videos/synthetic/hockey/0049_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "Which game had the longest duration?\n\n(A) Game 4\n(B) Game 1\n(C) Game 2\n(D) Game 3",
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        "state_element_type": "attribute",
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        "video_id": "0050_pt1_q0",
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        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "How many own goals were committed in total across all games?",
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        "answer": 3,
        "perceptual_complexity": [
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        "state_element_type": "count",
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        "video_id": "0050_pt1_q1",
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        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "What is the final score (red-blue)?\n\n(A) 4-0\n(B) 3-1\n(C) 2-2\n(D) 1-3",
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        "state_element_type": "count",
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        "video_id": "0050_pt1_q2",
        "video_path": "videos/synthetic/hockey/0050_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "hockey",
        "question": "Which game had the longest duration?\n\n(A) Game 2\n(B) Game 1\n(C) Game 3\n(D) Game 4",
        "answer_type": "mcq",
        "choices": [
          "Game 2",
          "Game 1",
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          "Game 4"
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        "perceptual_complexity": [
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        ],
        "state_element_type": "attribute",
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    ],
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        "video_source": "youtube",
        "source_task": "horse_racing",
        "question": "What rank is rider #14 in at the end of the video?",
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        "perceptual_complexity": [
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        "state_element_type": "count",
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        "youtube_url": "https://www.youtube.com/watch?v=wIYD42DV3Ro",
        "youtube_id": "wIYD42DV3Ro",
        "youtube_title": "Kentucky Derby 2022 (FULL RACE) | NBC Sports",
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        "start_sec": 0,
        "end_sec": 23,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q1",
        "video_path": "videos/youtube/horse_racing/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "horse_racing",
        "question": "What rank is rider #4 in at the end of the video?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
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        "state_element_type": "count",
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        "youtube_url": "https://www.youtube.com/watch?v=wIYD42DV3Ro",
        "youtube_id": "wIYD42DV3Ro",
        "youtube_title": "Kentucky Derby 2022 (FULL RACE) | NBC Sports",
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        "end_time": "00:00:23",
        "start_sec": 0,
        "end_sec": 23,
        "choices": [],
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      },
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        "video_id": "0001_pt2_q0",
        "video_path": "videos/youtube/horse_racing/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "horse_racing",
        "question": "How many riders were overtaken by rider #6?",
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        "answer": 2,
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        "state_element_type": "count",
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        "youtube_url": "https://www.youtube.com/watch?v=wIYD42DV3Ro",
        "youtube_id": "wIYD42DV3Ro",
        "youtube_title": "Kentucky Derby 2022 (FULL RACE) | NBC Sports",
        "start_time": "00:01:00",
        "end_time": "00:01:32",
        "start_sec": 60,
        "end_sec": 92,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt2_q1",
        "video_path": "videos/youtube/horse_racing/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "horse_racing",
        "question": "What rank is rider #12 in at the end of the video?",
        "answer_type": "numeric",
        "answer": 10,
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        "state_element_type": "count",
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        "youtube_url": "https://www.youtube.com/watch?v=wIYD42DV3Ro",
        "youtube_id": "wIYD42DV3Ro",
        "youtube_title": "Kentucky Derby 2022 (FULL RACE) | NBC Sports",
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        "start_sec": 60,
        "end_sec": 92,
        "choices": [],
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      },
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        "video_id": "0001_pt2_q2",
        "video_path": "videos/youtube/horse_racing/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "horse_racing",
        "question": "How many people overtook rider #12?",
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        "answer": 5,
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        "state_element_type": "attribute",
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        "youtube_url": "https://www.youtube.com/watch?v=wIYD42DV3Ro",
        "youtube_id": "wIYD42DV3Ro",
        "youtube_title": "Kentucky Derby 2022 (FULL RACE) | NBC Sports",
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        "start_sec": 60,
        "end_sec": 92,
        "choices": [],
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      },
      {
        "video_id": "0002_pt1_q0",
        "video_path": "videos/youtube/horse_racing/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "horse_racing",
        "question": "What rank is rider #6 in at the end of the video?",
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        "answer": 5,
        "perceptual_complexity": [
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        "state_element_type": "count",
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        "youtube_url": "https://www.youtube.com/watch?v=NqrDJmmh1AA",
        "youtube_id": "NqrDJmmh1AA",
        "youtube_title": "Kentucky Derby 2025 (FULL RACE) | NBC Sports",
        "start_time": "00:00:00",
        "end_time": "00:00:23",
        "start_sec": 0,
        "end_sec": 23,
        "choices": [],
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      },
      {
        "video_id": "0002_pt1_q1",
        "video_path": "videos/youtube/horse_racing/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "horse_racing",
        "question": "What rank is rider #17 in at the end of the video?",
        "answer_type": "numeric",
        "answer": 18,
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        "state_element_type": "count",
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        "youtube_url": "https://www.youtube.com/watch?v=NqrDJmmh1AA",
        "youtube_id": "NqrDJmmh1AA",
        "youtube_title": "Kentucky Derby 2025 (FULL RACE) | NBC Sports",
        "start_time": "00:00:00",
        "end_time": "00:00:23",
        "start_sec": 0,
        "end_sec": 23,
        "choices": [],
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      },
      {
        "video_id": "0002_pt1_q2",
        "video_path": "videos/youtube/horse_racing/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "horse_racing",
        "question": "What rank is rider #1 in at the end of the video?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
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        "state_element_type": "count",
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        "youtube_url": "https://www.youtube.com/watch?v=NqrDJmmh1AA",
        "youtube_id": "NqrDJmmh1AA",
        "youtube_title": "Kentucky Derby 2025 (FULL RACE) | NBC Sports",
        "start_time": "00:00:00",
        "end_time": "00:00:23",
        "start_sec": 0,
        "end_sec": 23,
        "choices": [],
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      },
      {
        "video_id": "0002_pt2_q0",
        "video_path": "videos/youtube/horse_racing/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "horse_racing",
        "question": "How many riders did rider #8 overtake?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
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        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=NqrDJmmh1AA",
        "youtube_id": "NqrDJmmh1AA",
        "youtube_title": "Kentucky Derby 2025 (FULL RACE) | NBC Sports",
        "start_time": "00:01:15",
        "end_time": "00:01:38",
        "start_sec": 75,
        "end_sec": 98,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt2_q1",
        "video_path": "videos/youtube/horse_racing/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "horse_racing",
        "question": "How many riders overtook rider #16 (the rider wearing yellow suit and red helmet)?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
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        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=NqrDJmmh1AA",
        "youtube_id": "NqrDJmmh1AA",
        "youtube_title": "Kentucky Derby 2025 (FULL RACE) | NBC Sports",
        "start_time": "00:01:15",
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        "start_sec": 75,
        "end_sec": 98,
        "choices": [],
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    "keyboard": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/self_recorded/keyboard/0001_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "keyboard",
        "question": "What word was typed on the keyboard?\n\n(A) interpole\n(B) incapable\n(C) pineapple\n(D) engrapple",
        "answer_type": "mcq",
        "choices": [
          "interpole",
          "incapable",
          "pineapple",
          "engrapple"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "symbolic_decoding",
          "action_ambiguity"
        ],
        "state_element_type": "location",
        "state_structure": "sequence"
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/self_recorded/keyboard/0002_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "keyboard",
        "question": "What word was typed on the keyboard?\n\n(A) questman\n(B) egestion\n(C) question\n(D) adustion",
        "answer_type": "mcq",
        "choices": [
          "questman",
          "egestion",
          "question",
          "adustion"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "symbolic_decoding",
          "action_ambiguity"
        ],
        "state_element_type": "location",
        "state_structure": "sequence"
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/self_recorded/keyboard/0003_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "keyboard",
        "question": "What word was typed on the keyboard?\n\n(A) burtonize\n(B) anatomize\n(C) castorite\n(D) customize",
        "answer_type": "mcq",
        "choices": [
          "burtonize",
          "anatomize",
          "castorite",
          "customize"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "symbolic_decoding",
          "action_ambiguity"
        ],
        "state_element_type": "location",
        "state_structure": "sequence"
      },
      {
        "video_id": "0004_pt1",
        "video_path": "videos/self_recorded/keyboard/0004_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "keyboard",
        "question": "What word was typed on the keyboard?\n\n(A) christiad\n(B) christian\n(C) chrismary\n(D) christmas",
        "answer_type": "mcq",
        "choices": [
          "christiad",
          "christian",
          "chrismary",
          "christmas"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "symbolic_decoding",
          "action_ambiguity"
        ],
        "state_element_type": "location",
        "state_structure": "sequence"
      },
      {
        "video_id": "0005_pt1",
        "video_path": "videos/self_recorded/keyboard/0005_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "keyboard",
        "question": "What word was typed on the keyboard?\n\n(A) spaniard\n(B) standard\n(C) staggard\n(D) standage",
        "answer_type": "mcq",
        "choices": [
          "spaniard",
          "standard",
          "staggard",
          "standage"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "symbolic_decoding",
          "action_ambiguity"
        ],
        "state_element_type": "location",
        "state_structure": "sequence"
      },
      {
        "video_id": "0006_pt1",
        "video_path": "videos/self_recorded/keyboard/0006_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "keyboard",
        "question": "What word was typed on the keyboard?\n\n(A) acrylate\n(B) airedale\n(C) airplane\n(D) warplane",
        "answer_type": "mcq",
        "choices": [
          "acrylate",
          "airedale",
          "airplane",
          "warplane"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "symbolic_decoding",
          "action_ambiguity"
        ],
        "state_element_type": "location",
        "state_structure": "sequence"
      },
      {
        "video_id": "0007_pt1",
        "video_path": "videos/self_recorded/keyboard/0007_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "keyboard",
        "question": "What word was typed on the keyboard?\n\n(A) monitor\n(B) donator\n(C) genitor\n(D) ignitor",
        "answer_type": "mcq",
        "choices": [
          "monitor",
          "donator",
          "genitor",
          "ignitor"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "symbolic_decoding",
          "action_ambiguity"
        ],
        "state_element_type": "location",
        "state_structure": "sequence"
      },
      {
        "video_id": "0008_pt1",
        "video_path": "videos/self_recorded/keyboard/0008_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "keyboard",
        "question": "What word was typed on the keyboard?\n\n(A) stairless\n(B) staircase\n(C) stairwise\n(D) smearcase",
        "answer_type": "mcq",
        "choices": [
          "stairless",
          "staircase",
          "stairwise",
          "smearcase"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "symbolic_decoding",
          "action_ambiguity"
        ],
        "state_element_type": "location",
        "state_structure": "sequence"
      },
      {
        "video_id": "0009_pt1",
        "video_path": "videos/self_recorded/keyboard/0009_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "keyboard",
        "question": "What word was typed on the keyboard?\n\n(A) chinking\n(B) bricking\n(C) blinking\n(D) drinking",
        "answer_type": "mcq",
        "choices": [
          "chinking",
          "bricking",
          "blinking",
          "drinking"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "symbolic_decoding",
          "action_ambiguity"
        ],
        "state_element_type": "location",
        "state_structure": "sequence"
      },
      {
        "video_id": "0010_pt1",
        "video_path": "videos/self_recorded/keyboard/0010_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "keyboard",
        "question": "What word was typed on the keyboard?\n\n(A) imperence\n(B) deference\n(C) inherence\n(D) inference",
        "answer_type": "mcq",
        "choices": [
          "imperence",
          "deference",
          "inherence",
          "inference"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "symbolic_decoding",
          "action_ambiguity"
        ],
        "state_element_type": "location",
        "state_structure": "sequence"
      }
    ],
    "latte_art": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/youtube/latte_art/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "latte_art",
        "question": "Which cup of latte art made during the video takes the longest time?\n\n(A) The first cup\n(B) The second cup",
        "answer_type": "mcq",
        "choices": [
          "The first cup",
          "The second cup"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=Z7e8tmcSrxg",
        "youtube_id": "Z7e8tmcSrxg",
        "youtube_title": "Barista Show",
        "start_time": "00:02:00",
        "end_time": "00:02:40",
        "start_sec": 120,
        "end_sec": 160
      },
      {
        "video_id": "0001_pt2",
        "video_path": "videos/youtube/latte_art/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "latte_art",
        "question": "Which cup of latte art made during the video takes the longest time?\n\n(A) The second cup\n(B) The first cup",
        "answer_type": "mcq",
        "choices": [
          "The second cup",
          "The first cup"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=Z7e8tmcSrxg",
        "youtube_id": "Z7e8tmcSrxg",
        "youtube_title": "Barista Show",
        "start_time": "00:02:40",
        "end_time": "00:03:25",
        "start_sec": 160,
        "end_sec": 205
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/youtube/latte_art/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "latte_art",
        "question": "Which cup of latte art takes the longest time to make?\n\n(A) The third cup\n(B) The first cup\n(C) The second cup",
        "answer_type": "mcq",
        "choices": [
          "The third cup",
          "The first cup",
          "The second cup"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=VJy4L5iAQNU",
        "youtube_id": "VJy4L5iAQNU",
        "youtube_title": "Amazing latte art with World Champion Umpaul signature Designs   cafe vlog 월드라떼아트 챔피언 엄폴의 라떼아트 디자인들",
        "start_time": "00:00:26.400",
        "end_time": "00:01:17",
        "start_sec": null,
        "end_sec": 77
      },
      {
        "video_id": "0002_pt2",
        "video_path": "videos/youtube/latte_art/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "latte_art",
        "question": "Which cup of latte art takes the shortest time to make?\n\n(A) The third cup\n(B) The fourth cup\n(C) The first cup\n(D) The second cup",
        "answer_type": "mcq",
        "choices": [
          "The third cup",
          "The fourth cup",
          "The first cup",
          "The second cup"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=VJy4L5iAQNU",
        "youtube_id": "VJy4L5iAQNU",
        "youtube_title": "Amazing latte art with World Champion Umpaul signature Designs   cafe vlog 월드라떼아트 챔피언 엄폴의 라떼아트 디자인들",
        "start_time": "00:02:30.540",
        "end_time": "00:03:26",
        "start_sec": null,
        "end_sec": 206
      },
      {
        "video_id": "0002_pt3",
        "video_path": "videos/youtube/latte_art/0002_pt3.mp4",
        "video_source": "youtube",
        "source_task": "latte_art",
        "question": "Which cup of latte art takes the longest time to make?\n\n(A) The third cup\n(B) The second cup\n(C) The first cup",
        "answer_type": "mcq",
        "choices": [
          "The third cup",
          "The second cup",
          "The first cup"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=VJy4L5iAQNU",
        "youtube_id": "VJy4L5iAQNU",
        "youtube_title": "Amazing latte art with World Champion Umpaul signature Designs   cafe vlog 월드라떼아트 챔피언 엄폴의 라떼아트 디자인들",
        "start_time": "00:03:56.500",
        "end_time": "00:04:51",
        "start_sec": null,
        "end_sec": 291
      },
      {
        "video_id": "0002_pt4",
        "video_path": "videos/youtube/latte_art/0002_pt4.mp4",
        "video_source": "youtube",
        "source_task": "latte_art",
        "question": "Which cup of latte art takes the longest time to make?\n\n(A) The second cup\n(B) The first cup",
        "answer_type": "mcq",
        "choices": [
          "The second cup",
          "The first cup"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=VJy4L5iAQNU",
        "youtube_id": "VJy4L5iAQNU",
        "youtube_title": "Amazing latte art with World Champion Umpaul signature Designs   cafe vlog 월드라떼아트 챔피언 엄폴의 라떼아트 디자인들",
        "start_time": "00:07:04",
        "end_time": "00:07:53",
        "start_sec": 424,
        "end_sec": 473
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/youtube/latte_art/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "latte_art",
        "question": "Which cup of latte art takes the shortest time to make?,\n\n(A) The second cup\n(B) The first cup\n(C) The third cup",
        "answer_type": "mcq",
        "choices": [
          "The second cup",
          "The first cup",
          "The third cup"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=c3ie2d7EX5M",
        "youtube_id": "c3ie2d7EX5M",
        "youtube_title": "Hour Of Pure Barista Latte Art Training Compilation! ~ Very Satisfying ~ MUST SEE!",
        "start_time": "00:00:00",
        "end_time": "00:00:53",
        "start_sec": 0,
        "end_sec": 53
      },
      {
        "video_id": "0003_pt2",
        "video_path": "videos/youtube/latte_art/0003_pt2.mp4",
        "video_source": "youtube",
        "source_task": "latte_art",
        "question": "Which cup of latte art takes the shortest time to make?,\n\n(A) The third cup\n(B) The second cup\n(C) The first cup",
        "answer_type": "mcq",
        "choices": [
          "The third cup",
          "The second cup",
          "The first cup"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=c3ie2d7EX5M",
        "youtube_id": "c3ie2d7EX5M",
        "youtube_title": "Hour Of Pure Barista Latte Art Training Compilation! ~ Very Satisfying ~ MUST SEE!",
        "start_time": "00:02:27.500",
        "end_time": "00:03:09",
        "start_sec": null,
        "end_sec": 189
      },
      {
        "video_id": "0003_pt3",
        "video_path": "videos/youtube/latte_art/0003_pt3.mp4",
        "video_source": "youtube",
        "source_task": "latte_art",
        "question": "Which cup of latte art takes the longest time to make?,\n\n(A) The third cup\n(B) The first cup\n(C) The second cup",
        "answer_type": "mcq",
        "choices": [
          "The third cup",
          "The first cup",
          "The second cup"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=c3ie2d7EX5M",
        "youtube_id": "c3ie2d7EX5M",
        "youtube_title": "Hour Of Pure Barista Latte Art Training Compilation! ~ Very Satisfying ~ MUST SEE!",
        "start_time": "00:03:08.650",
        "end_time": "00:03:38",
        "start_sec": null,
        "end_sec": 218
      },
      {
        "video_id": "0003_pt4",
        "video_path": "videos/youtube/latte_art/0003_pt4.mp4",
        "video_source": "youtube",
        "source_task": "latte_art",
        "question": "Which cup of latte art takes the shortest time to make?,\n\n(A) The first cup\n(B) The third cup\n(C) The second cup",
        "answer_type": "mcq",
        "choices": [
          "The first cup",
          "The third cup",
          "The second cup"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=c3ie2d7EX5M",
        "youtube_id": "c3ie2d7EX5M",
        "youtube_title": "Hour Of Pure Barista Latte Art Training Compilation! ~ Very Satisfying ~ MUST SEE!",
        "start_time": "00:03:38.900",
        "end_time": "00:04:34",
        "start_sec": null,
        "end_sec": 274
      }
    ],
    "lego": [
      {
        "video_id": "0001_pt1_q0",
        "video_path": "videos/youtube/lego/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "In total, how many different lego pieces are directly connected to the two yellow cross axles in the video?",
        "answer_type": "numeric",
        "answer": 12,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=ReWSULH-EQo",
        "youtube_id": "ReWSULH-EQo",
        "youtube_title": "LEGO TECHNIC 42207 Ferrari SF-24 F1 Car - Speed Build - Brick Builder",
        "start_time": "00:01:00",
        "end_time": "00:01:54",
        "start_sec": 60,
        "end_sec": 114,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q1",
        "video_path": "videos/youtube/lego/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "How many different lego pieces are directly connected to reddish brown cross axles in the video?",
        "answer_type": "numeric",
        "answer": 8,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=ReWSULH-EQo",
        "youtube_id": "ReWSULH-EQo",
        "youtube_title": "LEGO TECHNIC 42207 Ferrari SF-24 F1 Car - Speed Build - Brick Builder",
        "start_time": "00:01:00",
        "end_time": "00:01:54",
        "start_sec": 60,
        "end_sec": 114,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt2_q0",
        "video_path": "videos/youtube/lego/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "How many blue lego connectors are used in the video?",
        "answer_type": "numeric",
        "answer": 12,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=ReWSULH-EQo",
        "youtube_id": "ReWSULH-EQo",
        "youtube_title": "LEGO TECHNIC 42207 Ferrari SF-24 F1 Car - Speed Build - Brick Builder",
        "start_time": "00:03:45",
        "end_time": "00:04:05",
        "start_sec": 225,
        "end_sec": 245,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt2_q1",
        "video_path": "videos/youtube/lego/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "What's the maximum number of lego pieces that are connected to the same blue connector in the video?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=ReWSULH-EQo",
        "youtube_id": "ReWSULH-EQo",
        "youtube_title": "LEGO TECHNIC 42207 Ferrari SF-24 F1 Car - Speed Build - Brick Builder",
        "start_time": "00:03:45",
        "end_time": "00:04:05",
        "start_sec": 225,
        "end_sec": 245,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt3_q0",
        "video_path": "videos/youtube/lego/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "How many red lego pieces are used in the video?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=ReWSULH-EQo",
        "youtube_id": "ReWSULH-EQo",
        "youtube_title": "LEGO TECHNIC 42207 Ferrari SF-24 F1 Car - Speed Build - Brick Builder",
        "start_time": "00:04:14",
        "end_time": "00:04:34",
        "start_sec": 254,
        "end_sec": 274,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt3_q1",
        "video_path": "videos/youtube/lego/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "Is the assembled lego piece symmetric?\n\n(A) Yes\n(B) No",
        "answer_type": "mcq",
        "choices": [
          "Yes",
          "No"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=ReWSULH-EQo",
        "youtube_id": "ReWSULH-EQo",
        "youtube_title": "LEGO TECHNIC 42207 Ferrari SF-24 F1 Car - Speed Build - Brick Builder",
        "start_time": "00:04:14",
        "end_time": "00:04:34",
        "start_sec": 254,
        "end_sec": 274
      },
      {
        "video_id": "0001_pt4_q0",
        "video_path": "videos/youtube/lego/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "How many different lego pieces are directly connected to the long yellow axle in the video?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=ReWSULH-EQo",
        "youtube_id": "ReWSULH-EQo",
        "youtube_title": "LEGO TECHNIC 42207 Ferrari SF-24 F1 Car - Speed Build - Brick Builder",
        "start_time": "00:05:39",
        "end_time": "00:05:55",
        "start_sec": 339,
        "end_sec": 355,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt4_q1",
        "video_path": "videos/youtube/lego/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "Is the assembled lego piece symmetric?\n\n(A) Yes\n(B) No",
        "answer_type": "mcq",
        "choices": [
          "Yes",
          "No"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=ReWSULH-EQo",
        "youtube_id": "ReWSULH-EQo",
        "youtube_title": "LEGO TECHNIC 42207 Ferrari SF-24 F1 Car - Speed Build - Brick Builder",
        "start_time": "00:05:39",
        "end_time": "00:05:55",
        "start_sec": 339,
        "end_sec": 355
      },
      {
        "video_id": "0001_pt5",
        "video_path": "videos/youtube/lego/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "How many blue lego connectors are used in the video?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=ReWSULH-EQo",
        "youtube_id": "ReWSULH-EQo",
        "youtube_title": "LEGO TECHNIC 42207 Ferrari SF-24 F1 Car - Speed Build - Brick Builder",
        "start_time": "00:07:57",
        "end_time": "00:08:15",
        "start_sec": 477,
        "end_sec": 495,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q0",
        "video_path": "videos/youtube/lego/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "What's the largest number of distinct other pieces physcially attached to the same piece (excluding the attaching piece itself) in the final model?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=C-gak2TrheE",
        "youtube_id": "C-gak2TrheE",
        "youtube_title": "Easy DIY LEGO Bulldozer Instructions: Build for Your LEGO City",
        "start_time": "00:00:13",
        "end_time": "00:00:40",
        "start_sec": 13,
        "end_sec": 40,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q1",
        "video_path": "videos/youtube/lego/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "How many green pieces are attached to white pieces, or have white pieces attached to them?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=C-gak2TrheE",
        "youtube_id": "C-gak2TrheE",
        "youtube_title": "Easy DIY LEGO Bulldozer Instructions: Build for Your LEGO City",
        "start_time": "00:00:13",
        "end_time": "00:00:40",
        "start_sec": 13,
        "end_sec": 40,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q2",
        "video_path": "videos/youtube/lego/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "Is the assembled lego piece symmetric?\n\n(A) Yes\n(B) No",
        "answer_type": "mcq",
        "choices": [
          "Yes",
          "No"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=C-gak2TrheE",
        "youtube_id": "C-gak2TrheE",
        "youtube_title": "Easy DIY LEGO Bulldozer Instructions: Build for Your LEGO City",
        "start_time": "00:00:13",
        "end_time": "00:00:40",
        "start_sec": 13,
        "end_sec": 40
      },
      {
        "video_id": "0003_pt1_q0",
        "video_path": "videos/youtube/lego/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "How many blue lego pieces are attached to, or have orange pieces attached to them?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=mvAfnSGK2GA",
        "youtube_id": "mvAfnSGK2GA",
        "youtube_title": "How to Build a LEGO Off-Road Car | Easy Step-by-Step Tutorial",
        "start_time": "00:00:13",
        "end_time": "00:00:38",
        "start_sec": 13,
        "end_sec": 38,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1_q1",
        "video_path": "videos/youtube/lego/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "How many connections are made between lego pieces with different colors? Excluding tires.",
        "answer_type": "numeric",
        "answer": 14,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=mvAfnSGK2GA",
        "youtube_id": "mvAfnSGK2GA",
        "youtube_title": "How to Build a LEGO Off-Road Car | Easy Step-by-Step Tutorial",
        "start_time": "00:00:13",
        "end_time": "00:00:38",
        "start_sec": 13,
        "end_sec": 38,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1_q2",
        "video_path": "videos/youtube/lego/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "What's the largest number of distinct other pieces physcially attached to the same piece (excluding the attaching piece itself) in the final model?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=mvAfnSGK2GA",
        "youtube_id": "mvAfnSGK2GA",
        "youtube_title": "How to Build a LEGO Off-Road Car | Easy Step-by-Step Tutorial",
        "start_time": "00:00:13",
        "end_time": "00:00:38",
        "start_sec": 13,
        "end_sec": 38,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1_q3",
        "video_path": "videos/youtube/lego/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "Is the assembled lego piece symmetric?\n\n(A) No\n(B) Yes",
        "answer_type": "mcq",
        "choices": [
          "No",
          "Yes"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=mvAfnSGK2GA",
        "youtube_id": "mvAfnSGK2GA",
        "youtube_title": "How to Build a LEGO Off-Road Car | Easy Step-by-Step Tutorial",
        "start_time": "00:00:13",
        "end_time": "00:00:38",
        "start_sec": 13,
        "end_sec": 38
      },
      {
        "video_id": "0004_pt1_q0",
        "video_path": "videos/youtube/lego/0004_pt1.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "How many connections are made between lego pieces with different colors?",
        "answer_type": "numeric",
        "answer": 21,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=_EtTIRBhA0k",
        "youtube_id": "_EtTIRBhA0k",
        "youtube_title": "Mini Lego Rescue Helicopter",
        "start_time": "00:01:23",
        "end_time": "00:01:52",
        "start_sec": 83,
        "end_sec": 112,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt1_q1",
        "video_path": "videos/youtube/lego/0004_pt1.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "Is the assembled lego piece symmetric?\n\n(A) No\n(B) Yes",
        "answer_type": "mcq",
        "choices": [
          "No",
          "Yes"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=_EtTIRBhA0k",
        "youtube_id": "_EtTIRBhA0k",
        "youtube_title": "Mini Lego Rescue Helicopter",
        "start_time": "00:01:23",
        "end_time": "00:01:52",
        "start_sec": 83,
        "end_sec": 112
      },
      {
        "video_id": "0004_pt1_q2",
        "video_path": "videos/youtube/lego/0004_pt1.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "What's the largest number of distinct other pieces physcially attached to the same piece (excluding the attaching piece itself) in the final model?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=_EtTIRBhA0k",
        "youtube_id": "_EtTIRBhA0k",
        "youtube_title": "Mini Lego Rescue Helicopter",
        "start_time": "00:01:23",
        "end_time": "00:01:52",
        "start_sec": 83,
        "end_sec": 112,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt1_q0",
        "video_path": "videos/youtube/lego/0005_pt1.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "How many lego pieces are directly connected to the two long gray axles in total?",
        "answer_type": "numeric",
        "answer": 10,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=hQ6S2Nm-9hg",
        "youtube_id": "hQ6S2Nm-9hg",
        "youtube_title": "LEGO TECHNIC 42172 McLaren P1 Speed Build - Brick Builder",
        "start_time": "00:01:10",
        "end_time": "00:01:34",
        "start_sec": 70,
        "end_sec": 94,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt1_q1",
        "video_path": "videos/youtube/lego/0005_pt1.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "Based strictly on the footage, how many gears do we actually see the person install?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=hQ6S2Nm-9hg",
        "youtube_id": "hQ6S2Nm-9hg",
        "youtube_title": "LEGO TECHNIC 42172 McLaren P1 Speed Build - Brick Builder",
        "start_time": "00:01:10",
        "end_time": "00:01:34",
        "start_sec": 70,
        "end_sec": 94,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt2_q0",
        "video_path": "videos/youtube/lego/0005_pt2.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "How many lego pieces are directly connected to the long yellow axle in total?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=hQ6S2Nm-9hg",
        "youtube_id": "hQ6S2Nm-9hg",
        "youtube_title": "LEGO TECHNIC 42172 McLaren P1 Speed Build - Brick Builder",
        "start_time": "00:02:06",
        "end_time": "00:02:18",
        "start_sec": 126,
        "end_sec": 138,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt2_q1",
        "video_path": "videos/youtube/lego/0005_pt2.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "How many black axles are used in total?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=hQ6S2Nm-9hg",
        "youtube_id": "hQ6S2Nm-9hg",
        "youtube_title": "LEGO TECHNIC 42172 McLaren P1 Speed Build - Brick Builder",
        "start_time": "00:02:06",
        "end_time": "00:02:18",
        "start_sec": 126,
        "end_sec": 138,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt3_q0",
        "video_path": "videos/youtube/lego/0005_pt3.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "Based strictly on the footage, how many gears do we actually see the person install?",
        "answer_type": "numeric",
        "answer": 19,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=hQ6S2Nm-9hg",
        "youtube_id": "hQ6S2Nm-9hg",
        "youtube_title": "LEGO TECHNIC 42172 McLaren P1 Speed Build - Brick Builder",
        "start_time": "00:02:28",
        "end_time": "00:03:04",
        "start_sec": 148,
        "end_sec": 184,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt3_q1",
        "video_path": "videos/youtube/lego/0005_pt3.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "Based strictly on the footage, how many gear axles do we actually see the person install that do not connect to the yellow connector?",
        "answer_type": "numeric",
        "answer": 15,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=hQ6S2Nm-9hg",
        "youtube_id": "hQ6S2Nm-9hg",
        "youtube_title": "LEGO TECHNIC 42172 McLaren P1 Speed Build - Brick Builder",
        "start_time": "00:02:28",
        "end_time": "00:03:04",
        "start_sec": 148,
        "end_sec": 184,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt4_q1",
        "video_path": "videos/youtube/lego/0005_pt4.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "Is the assembled piece symmetric?\n\n(A) No\n(B) Yes",
        "answer_type": "mcq",
        "choices": [
          "No",
          "Yes"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=hQ6S2Nm-9hg",
        "youtube_id": "hQ6S2Nm-9hg",
        "youtube_title": "LEGO TECHNIC 42172 McLaren P1 Speed Build - Brick Builder",
        "start_time": "00:03:21",
        "end_time": "00:03:32",
        "start_sec": 201,
        "end_sec": 212
      },
      {
        "video_id": "0005_pt5_q0",
        "video_path": "videos/youtube/lego/0005_pt5.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "How many different colors are used in the assembled piece?",
        "answer_type": "numeric",
        "answer": 8,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=hQ6S2Nm-9hg",
        "youtube_id": "hQ6S2Nm-9hg",
        "youtube_title": "LEGO TECHNIC 42172 McLaren P1 Speed Build - Brick Builder",
        "start_time": "00:04:05",
        "end_time": "00:04:41",
        "start_sec": 245,
        "end_sec": 281,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt5_q1",
        "video_path": "videos/youtube/lego/0005_pt5.mp4",
        "video_source": "youtube",
        "source_task": "lego",
        "question": "What's the largest number of lego pieces that are directly connected to the same long yellow axle?",
        "answer_type": "numeric",
        "answer": 9,
        "perceptual_complexity": [
          "homogeneity",
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=hQ6S2Nm-9hg",
        "youtube_id": "hQ6S2Nm-9hg",
        "youtube_title": "LEGO TECHNIC 42172 McLaren P1 Speed Build - Brick Builder",
        "start_time": "00:04:05",
        "end_time": "00:04:41",
        "start_sec": 245,
        "end_sec": 281,
        "choices": [],
        "answer_index": null
      }
    ],
    "make_coffee": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/synthetic/make_coffee/0001_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/synthetic/make_coffee/0002_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/synthetic/make_coffee/0003_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt1",
        "video_path": "videos/synthetic/make_coffee/0004_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt1",
        "video_path": "videos/synthetic/make_coffee/0005_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0006_pt1",
        "video_path": "videos/synthetic/make_coffee/0006_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
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          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
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        "video_path": "videos/synthetic/make_coffee/0007_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0008_pt1",
        "video_path": "videos/synthetic/make_coffee/0008_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0009_pt1",
        "video_path": "videos/synthetic/make_coffee/0009_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0010_pt1",
        "video_path": "videos/synthetic/make_coffee/0010_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0011_pt1",
        "video_path": "videos/synthetic/make_coffee/0011_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0012_pt1",
        "video_path": "videos/synthetic/make_coffee/0012_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0013_pt1",
        "video_path": "videos/synthetic/make_coffee/0013_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0014_pt1",
        "video_path": "videos/synthetic/make_coffee/0014_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0015_pt1",
        "video_path": "videos/synthetic/make_coffee/0015_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0016_pt1",
        "video_path": "videos/synthetic/make_coffee/0016_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0017_pt1",
        "video_path": "videos/synthetic/make_coffee/0017_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0018_pt1",
        "video_path": "videos/synthetic/make_coffee/0018_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0019_pt1",
        "video_path": "videos/synthetic/make_coffee/0019_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0020_pt1",
        "video_path": "videos/synthetic/make_coffee/0020_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0021_pt1",
        "video_path": "videos/synthetic/make_coffee/0021_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0022_pt1",
        "video_path": "videos/synthetic/make_coffee/0022_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0023_pt1",
        "video_path": "videos/synthetic/make_coffee/0023_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0024_pt1",
        "video_path": "videos/synthetic/make_coffee/0024_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0025_pt1",
        "video_path": "videos/synthetic/make_coffee/0025_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0026_pt1",
        "video_path": "videos/synthetic/make_coffee/0026_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0027_pt1",
        "video_path": "videos/synthetic/make_coffee/0027_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0028_pt1",
        "video_path": "videos/synthetic/make_coffee/0028_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 2,
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          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0029_pt1",
        "video_path": "videos/synthetic/make_coffee/0029_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 3,
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          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
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        "answer_index": null
      },
      {
        "video_id": "0030_pt1",
        "video_path": "videos/synthetic/make_coffee/0030_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 3,
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          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
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        "answer_index": null
      },
      {
        "video_id": "0031_pt1",
        "video_path": "videos/synthetic/make_coffee/0031_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
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        "state_element_type": "attribute",
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        "answer_index": null
      },
      {
        "video_id": "0032_pt1",
        "video_path": "videos/synthetic/make_coffee/0032_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
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        "state_element_type": "attribute",
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        "answer_index": null
      },
      {
        "video_id": "0033_pt1",
        "video_path": "videos/synthetic/make_coffee/0033_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
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        "state_element_type": "attribute",
        "state_structure": "set",
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        "answer_index": null
      },
      {
        "video_id": "0034_pt1",
        "video_path": "videos/synthetic/make_coffee/0034_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
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          "occlusion",
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        "state_element_type": "attribute",
        "state_structure": "set",
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        "answer_index": null
      },
      {
        "video_id": "0035_pt1",
        "video_path": "videos/synthetic/make_coffee/0035_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
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        "state_element_type": "attribute",
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        "answer_index": null
      },
      {
        "video_id": "0036_pt1",
        "video_path": "videos/synthetic/make_coffee/0036_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
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          "occlusion",
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        "state_element_type": "attribute",
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        "answer_index": null
      },
      {
        "video_id": "0037_pt1",
        "video_path": "videos/synthetic/make_coffee/0037_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
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        "state_element_type": "attribute",
        "state_structure": "set",
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        "answer_index": null
      },
      {
        "video_id": "0038_pt1",
        "video_path": "videos/synthetic/make_coffee/0038_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
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        "answer_index": null
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      {
        "video_id": "0039_pt1",
        "video_path": "videos/synthetic/make_coffee/0039_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
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          "occlusion",
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        ],
        "state_element_type": "attribute",
        "state_structure": "set",
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        "answer_index": null
      },
      {
        "video_id": "0040_pt1",
        "video_path": "videos/synthetic/make_coffee/0040_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 2,
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          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0041_pt1",
        "video_path": "videos/synthetic/make_coffee/0041_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0042_pt1",
        "video_path": "videos/synthetic/make_coffee/0042_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0043_pt1",
        "video_path": "videos/synthetic/make_coffee/0043_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0044_pt1",
        "video_path": "videos/synthetic/make_coffee/0044_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0045_pt1",
        "video_path": "videos/synthetic/make_coffee/0045_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0046_pt1",
        "video_path": "videos/synthetic/make_coffee/0046_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0047_pt1",
        "video_path": "videos/synthetic/make_coffee/0047_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0048_pt1",
        "video_path": "videos/synthetic/make_coffee/0048_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0049_pt1",
        "video_path": "videos/synthetic/make_coffee/0049_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0050_pt1",
        "video_path": "videos/synthetic/make_coffee/0050_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "make_coffee",
        "question": "There is first a water-pouring phase and then a separate espresso-pouring phase. A cup counts as successful only if it receives both water in the first phase and espresso in the second phase. How many cups were successful?",
        "answer_type": "numeric",
        "answer": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "occlusion",
          "camera_motion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "choices": [],
        "answer_index": null
      }
    ],
    "matryoshka": [
      {
        "video_id": "0001_pt1_q0",
        "video_path": "videos/youtube/matryoshka/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "How many dolls are there in the matryoshka set?",
        "answer_type": "numeric",
        "answer": 10,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=9Go15bcEUUw",
        "youtube_id": "9Go15bcEUUw",
        "youtube_title": "Open nesting doll (Matryoshka)",
        "start_time": "00:00:09",
        "end_time": "00:01:30",
        "start_sec": 9,
        "end_sec": 90,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q1",
        "video_path": "videos/youtube/matryoshka/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "How many dolls wearing a bright red headscarf are there in the matryoshka set?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=9Go15bcEUUw",
        "youtube_id": "9Go15bcEUUw",
        "youtube_title": "Open nesting doll (Matryoshka)",
        "start_time": "00:00:09",
        "end_time": "00:01:30",
        "start_sec": 9,
        "end_sec": 90,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q2",
        "video_path": "videos/youtube/matryoshka/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "Does the eighth doll wear a headscarf?\n\n(A) No\n(B) Yes",
        "answer_type": "mcq",
        "choices": [
          "No",
          "Yes"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=9Go15bcEUUw",
        "youtube_id": "9Go15bcEUUw",
        "youtube_title": "Open nesting doll (Matryoshka)",
        "start_time": "00:00:09",
        "end_time": "00:01:30",
        "start_sec": 9,
        "end_sec": 90
      },
      {
        "video_id": "0001_pt1_q3",
        "video_path": "videos/youtube/matryoshka/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "What is the largest possible number of nesting dolls that can be nested together such that every doll with a bright red headscarf is smaller than every doll with a magenta headscarf?",
        "answer_type": "numeric",
        "answer": 9,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=9Go15bcEUUw",
        "youtube_id": "9Go15bcEUUw",
        "youtube_title": "Open nesting doll (Matryoshka)",
        "start_time": "00:00:09",
        "end_time": "00:01:30",
        "start_sec": 9,
        "end_sec": 90,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q0",
        "video_path": "videos/youtube/matryoshka/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "How many dolls are there in the matryoshka set?",
        "answer_type": "numeric",
        "answer": 8,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=uuJk9shmUGw",
        "youtube_id": "uuJk9shmUGw",
        "youtube_title": "Opening a Russian matryoshka doll",
        "start_time": "00:00:00",
        "end_time": "00:00:50",
        "start_sec": 0,
        "end_sec": 50,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q1",
        "video_path": "videos/youtube/matryoshka/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "How many dolls wearing a bright red headscarf are there in the matryoshka set?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=uuJk9shmUGw",
        "youtube_id": "uuJk9shmUGw",
        "youtube_title": "Opening a Russian matryoshka doll",
        "start_time": "00:00:00",
        "end_time": "00:00:50",
        "start_sec": 0,
        "end_sec": 50,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q2",
        "video_path": "videos/youtube/matryoshka/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "What color is the fourth doll's headscarf?\n\n(A) yellow\n(B) magenta\n(C) red\n(D) white",
        "answer_type": "mcq",
        "choices": [
          "yellow",
          "magenta",
          "red",
          "white"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=uuJk9shmUGw",
        "youtube_id": "uuJk9shmUGw",
        "youtube_title": "Opening a Russian matryoshka doll",
        "start_time": "00:00:00",
        "end_time": "00:00:50",
        "start_sec": 0,
        "end_sec": 50
      },
      {
        "video_id": "0002_pt1_q3",
        "video_path": "videos/youtube/matryoshka/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "What is the largest possible number of nesting dolls that can be nested together such that every doll with a bright red headscarf is smaller than every doll with a magenta headscarf?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=uuJk9shmUGw",
        "youtube_id": "uuJk9shmUGw",
        "youtube_title": "Opening a Russian matryoshka doll",
        "start_time": "00:00:00",
        "end_time": "00:00:50",
        "start_sec": 0,
        "end_sec": 50,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/youtube/matryoshka/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "How many dolls are there in the matryoshka set?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=bhULVvRfFb4",
        "youtube_id": "bhULVvRfFb4",
        "youtube_title": "Smallest Matryoshka|Russian Nesting Dolls #shorts",
        "start_time": "00:00:00",
        "end_time": "00:00:14.977",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt1_q0",
        "video_path": "videos/youtube/matryoshka/0004_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "How many dolls are there in the matryoshka set?",
        "answer_type": "numeric",
        "answer": 10,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=LfCvLn31s68",
        "youtube_id": "LfCvLn31s68",
        "youtube_title": "Вятская Матрёшка",
        "start_time": "00:00:07",
        "end_time": "00:01:45",
        "start_sec": 7,
        "end_sec": 105,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt1_q1",
        "video_path": "videos/youtube/matryoshka/0004_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "How many dolls have more than two flower or flower-bud pattern drawn on their bodies?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=LfCvLn31s68",
        "youtube_id": "LfCvLn31s68",
        "youtube_title": "Вятская Матрёшка",
        "start_time": "00:00:07",
        "end_time": "00:01:45",
        "start_sec": 7,
        "end_sec": 105,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt1_q0",
        "video_path": "videos/youtube/matryoshka/0005_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "How many dolls are there in the opened matryoshka set?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=vSZ9ruf74k8",
        "youtube_id": "vSZ9ruf74k8",
        "youtube_title": "Opening a small Matryoshka \"Tradition\"",
        "start_time": "00:00:24",
        "end_time": "00:01:04",
        "start_sec": 24,
        "end_sec": 64,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt1_q1",
        "video_path": "videos/youtube/matryoshka/0005_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "How many dolls (that are not already on the table at the beginning of the video) are wearing headscarves?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=vSZ9ruf74k8",
        "youtube_id": "vSZ9ruf74k8",
        "youtube_title": "Opening a small Matryoshka \"Tradition\"",
        "start_time": "00:00:24",
        "end_time": "00:01:04",
        "start_sec": 24,
        "end_sec": 64,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0006_pt1_q0",
        "video_path": "videos/youtube/matryoshka/0006_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "How many dolls are there in the opened matryoshka set?",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=XRCE6m_x6yA",
        "youtube_id": "XRCE6m_x6yA",
        "youtube_title": "Матрёшка \"Зимние Забавы\"",
        "start_time": "00:00:03",
        "end_time": "00:01:10",
        "start_sec": 3,
        "end_sec": 70,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0006_pt1_q1",
        "video_path": "videos/youtube/matryoshka/0006_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "How many dolls with human figures drawn on their bodies are there in the matryoshka set?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=XRCE6m_x6yA",
        "youtube_id": "XRCE6m_x6yA",
        "youtube_title": "Матрёшка \"Зимние Забавы\"",
        "start_time": "00:00:03",
        "end_time": "00:01:10",
        "start_sec": 3,
        "end_sec": 70,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0007_pt1_q0",
        "video_path": "videos/youtube/matryoshka/0007_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "How many dolls are there in the opened matryoshka set?",
        "answer_type": "numeric",
        "answer": 8,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=RK5GT7Ku2Dg",
        "youtube_id": "RK5GT7Ku2Dg",
        "youtube_title": "Традиционная Матрёшка/Traditional Matryoshka",
        "start_time": "00:00:05",
        "end_time": "00:01:05",
        "start_sec": 5,
        "end_sec": 65,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0007_pt1_q1",
        "video_path": "videos/youtube/matryoshka/0007_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "How many dolls in the opened matryoshka set are wearing warm-colored (excluding black and white) headscarves? Do not count dolls without headscarves.",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=RK5GT7Ku2Dg",
        "youtube_id": "RK5GT7Ku2Dg",
        "youtube_title": "Традиционная Матрёшка/Traditional Matryoshka",
        "start_time": "00:00:05",
        "end_time": "00:01:05",
        "start_sec": 5,
        "end_sec": 65,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0007_pt1_q2",
        "video_path": "videos/youtube/matryoshka/0007_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "What is the maximum number of matryoshka dolls that can be nested together while including exactly two primary headscarf colors? (Dolls without headscarves should not be counted toward the two-color limit)",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=RK5GT7Ku2Dg",
        "youtube_id": "RK5GT7Ku2Dg",
        "youtube_title": "Традиционная Матрёшка/Traditional Matryoshka",
        "start_time": "00:00:05",
        "end_time": "00:01:05",
        "start_sec": 5,
        "end_sec": 65,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0007_pt1_q3",
        "video_path": "videos/youtube/matryoshka/0007_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "What is the maximum number of dolls that can be nested together such that the set contains at least one warm-colored headscarf and at least one cool-colored headscarf, so that every doll with a warm-colored headscarf is smaller than the dolls with cool-colored headscarves? (Note: Black and white headscarves are neutral and do not count as warm or cool.)",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=RK5GT7Ku2Dg",
        "youtube_id": "RK5GT7Ku2Dg",
        "youtube_title": "Традиционная Матрёшка/Traditional Matryoshka",
        "start_time": "00:00:05",
        "end_time": "00:01:05",
        "start_sec": 5,
        "end_sec": 65,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0008_pt1",
        "video_path": "videos/youtube/matryoshka/0008_pt1.mp4",
        "video_source": "youtube",
        "source_task": "matryoshka",
        "question": "How many dolls are there in the opened matryoshka set?",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=3RIjHlDfMy8",
        "youtube_id": "3RIjHlDfMy8",
        "youtube_title": "Matryoshka \"Tea Party\"",
        "start_time": "00:00:08",
        "end_time": "00:01:05",
        "start_sec": 8,
        "end_sec": 65,
        "choices": [],
        "answer_index": null
      }
    ],
    "memory_card": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/youtube/memory_card/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "memory_card",
        "question": "Rules: This is a memory card game. Flip two face-down cards with the same value to make a match. Number the cards starting from the top-left (from the viewer's perspective). Count left to right across each row, then move to the next row and start again from the left. The rows are numbered 1-5 and 6-10. Which two face-down positions contain the matching pair? Answer in (x,y) format.\n\n(A) (3,11)\n(B) (4,10)\n(C) (3,9)\n(D) (3,10)",
        "answer_type": "mcq",
        "choices": [
          "(3,11)",
          "(4,10)",
          "(3,9)",
          "(3,10)"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=rrVHpx747KU",
        "youtube_id": "rrVHpx747KU",
        "youtube_title": "How to Play Memory Card Game - Games For Fun and Distance Learning | Kids and Family | Fix and Play",
        "start_time": "00:00:28",
        "end_time": "00:00:44",
        "start_sec": 28,
        "end_sec": 44
      },
      {
        "video_id": "0001_pt2",
        "video_path": "videos/youtube/memory_card/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "memory_card",
        "question": "Rules: This is a memory card game. Flip two face-down cards with the same value to make a match. Number the cards starting from the top-left (from the viewer's perspective). Count left to right across each row, then move to the next row and start again from the left. The rows are numbered 1-5 and 6-10. Which two face-down positions contain the matching pair? Answer in (x,y) format.\n\n(A) (3,5)\n(B) (2,4)\n(C) (1,5)\n(D) (2,5)",
        "answer_type": "mcq",
        "choices": [
          "(3,5)",
          "(2,4)",
          "(1,5)",
          "(2,5)"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=rrVHpx747KU",
        "youtube_id": "rrVHpx747KU",
        "youtube_title": "How to Play Memory Card Game - Games For Fun and Distance Learning | Kids and Family | Fix and Play",
        "start_time": "00:00:28",
        "end_time": "00:01:00",
        "start_sec": 28,
        "end_sec": 60
      },
      {
        "video_id": "0001_pt3_q0",
        "video_path": "videos/youtube/memory_card/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "memory_card",
        "question": "Rules: This is a memory card game. Flip two face-down cards with the same value to make a match. Number the cards starting from the top-left (from the viewer's perspective). Count left to right across each row, then move to the next row and start again from the left. The rows are numbered 1-5 and 6-10. Up to the end of the clip, which positions have not yet been revealed or flipped face-up?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=rrVHpx747KU",
        "youtube_id": "rrVHpx747KU",
        "youtube_title": "How to Play Memory Card Game - Games For Fun and Distance Learning | Kids and Family | Fix and Play",
        "start_time": "00:00:28",
        "end_time": "00:01:26",
        "start_sec": 28,
        "end_sec": 86,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt3_q1",
        "video_path": "videos/youtube/memory_card/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "memory_card",
        "question": "Rules: This is a memory card game. Flip two face-down cards with the same value to make a match. Number the cards starting from the top-left (from the viewer's perspective). Count left to right across each row, then move to the next row and start again from the left. The rows are numbered 1-5 and 6-10. What values should be on the cards that have not yet been revealed or flipped face-up by the end of the clip?\n\n(A) A\n(B) 5\n(C) J\n(D) Q",
        "answer_type": "mcq",
        "choices": [
          "A",
          "5",
          "J",
          "Q"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=rrVHpx747KU",
        "youtube_id": "rrVHpx747KU",
        "youtube_title": "How to Play Memory Card Game - Games For Fun and Distance Learning | Kids and Family | Fix and Play",
        "start_time": "00:00:28",
        "end_time": "00:01:26",
        "start_sec": 28,
        "end_sec": 86
      },
      {
        "video_id": "0001_pt4",
        "video_path": "videos/youtube/memory_card/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "memory_card",
        "question": "Rules: This is a memory card game. Flip two face-down cards with the same value to make a match. Number the cards starting from the top-left (from the viewer's perspective). Count left to right across each row, then move to the next row and start again from the left. The rows are numbered 1-2 and 3-6. What are the optimal next two flips? Answer in (x,y) format.\n\n(A) (1,4)\n(B) (1,6)\n(C) (1,5)\n(D) (2,5)",
        "answer_type": "mcq",
        "choices": [
          "(1,4)",
          "(1,6)",
          "(1,5)",
          "(2,5)"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=rrVHpx747KU",
        "youtube_id": "rrVHpx747KU",
        "youtube_title": "How to Play Memory Card Game - Games For Fun and Distance Learning | Kids and Family | Fix and Play",
        "start_time": "00:01:07",
        "end_time": "00:01:21",
        "start_sec": 67,
        "end_sec": 81
      },
      {
        "video_id": "0001_pt5_q0",
        "video_path": "videos/youtube/memory_card/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "memory_card",
        "question": "Rules: This is a memory card game. Flip two face-down cards with the same value to make a match. Number the cards starting from the top-left (from the viewer's perspective). Count left to right across each row, then move to the next row and start again from the left. The rows are numbered 1-2 and 3-6. Which position matches the card placed in position 1 in the clip?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=rrVHpx747KU",
        "youtube_id": "rrVHpx747KU",
        "youtube_title": "How to Play Memory Card Game - Games For Fun and Distance Learning | Kids and Family | Fix and Play",
        "start_time": "00:01:07",
        "end_time": "00:01:30",
        "start_sec": 67,
        "end_sec": 90,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt5_q1",
        "video_path": "videos/youtube/memory_card/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "memory_card",
        "question": "Rules: This is a memory card game. Flip two face-down cards with the same value to make a match. Number the cards starting from the top-left (from the viewer's perspective). Count left to right across each row, then move to the next row and start again from the left. The rows are numbered 1-2 and 3-6. Which position matches the card placed in position 3 in the clip?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=rrVHpx747KU",
        "youtube_id": "rrVHpx747KU",
        "youtube_title": "How to Play Memory Card Game - Games For Fun and Distance Learning | Kids and Family | Fix and Play",
        "start_time": "00:01:07",
        "end_time": "00:01:30",
        "start_sec": 67,
        "end_sec": 90,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/youtube/memory_card/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "memory_card",
        "question": "Number the cards starting from the top-left (from the viewer's perspective). Count left to right across each row, then move to the next row and start again from the left. The rows are numbered 1-6, 7-13, 14-20, and 21-26. Which numbered card matches the card last flipped over?",
        "answer_type": "numeric",
        "answer": 12,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=_UCpR0vmCvw",
        "youtube_id": "_UCpR0vmCvw",
        "youtube_title": "Just Desserts - Concentration",
        "start_time": "00:02:00",
        "end_time": "00:03:07.800",
        "start_sec": 120,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt2_q0",
        "video_path": "videos/youtube/memory_card/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "memory_card",
        "question": "Number the six cards as 1-6 from left to right across each row (from the viewer's perspective), then move to the next row and start again from the left. Which positions are A? Answer in (x,y) format.\n\n(A) (2,4)\n(B) (2,5)\n(C) (3,5)\n(D) (1,5)",
        "answer_type": "mcq",
        "choices": [
          "(2,4)",
          "(2,5)",
          "(3,5)",
          "(1,5)"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=_UCpR0vmCvw",
        "youtube_id": "_UCpR0vmCvw",
        "youtube_title": "Just Desserts - Concentration",
        "start_time": "00:06:35",
        "end_time": "00:07:34.345",
        "start_sec": 395,
        "end_sec": null
      },
      {
        "video_id": "0002_pt2_q1",
        "video_path": "videos/youtube/memory_card/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "memory_card",
        "question": "Number the six cards as 1-6 from left to right across each row (from the viewer's perspective), then move to the next row and start again from the left. Which positions are 10? Answer in (x,y) format.\n\n(A) (4,6)\n(B) (4,5)\n(C) (3,6)\n(D) (4,7)",
        "answer_type": "mcq",
        "choices": [
          "(4,6)",
          "(4,5)",
          "(3,6)",
          "(4,7)"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=_UCpR0vmCvw",
        "youtube_id": "_UCpR0vmCvw",
        "youtube_title": "Just Desserts - Concentration",
        "start_time": "00:06:35",
        "end_time": "00:07:34.345",
        "start_sec": 395,
        "end_sec": null
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/youtube/memory_card/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "memory_card",
        "question": "Rules: This is a memory card game. Use the panel numbers shown on screen. Based on the panels revealed earlier in the clip, which two numbered panels should be selected next to make a matching pair? Answer in (x,y) format.\n\n(A) (1,2)\n(B) (0,3)\n(C) (2,3)\n(D) (1,3)",
        "answer_type": "mcq",
        "choices": [
          "(1,2)",
          "(0,3)",
          "(2,3)",
          "(1,3)"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=IRpUDwYLo7M",
        "youtube_id": "IRpUDwYLo7M",
        "youtube_title": "Classic Concentration gameplay (PC Game, 1988)",
        "start_time": "00:03:20",
        "end_time": "00:03:38.500",
        "start_sec": 200,
        "end_sec": null
      },
      {
        "video_id": "0003_pt2_q0",
        "video_path": "videos/youtube/memory_card/0003_pt2.mp4",
        "video_source": "youtube",
        "source_task": "memory_card",
        "question": "Which numbered card matches the lastly revealed card?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=IRpUDwYLo7M",
        "youtube_id": "IRpUDwYLo7M",
        "youtube_title": "Classic Concentration gameplay (PC Game, 1988)",
        "start_time": "00:03:20",
        "end_time": "00:04:33",
        "start_sec": 200,
        "end_sec": 273,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt2_q1",
        "video_path": "videos/youtube/memory_card/0003_pt2.mp4",
        "video_source": "youtube",
        "source_task": "memory_card",
        "question": "How many matches, including those made with wild cards, were guessed without complete evidence because both (or one of the) cards had not yet been revealed?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=IRpUDwYLo7M",
        "youtube_id": "IRpUDwYLo7M",
        "youtube_title": "Classic Concentration gameplay (PC Game, 1988)",
        "start_time": "00:03:20",
        "end_time": "00:04:33",
        "start_sec": 200,
        "end_sec": 273,
        "choices": [],
        "answer_index": null
      }
    ],
    "morse": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/self_recorded/morse/0001_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "morse",
        "question": "What text message is encoded by the Morse light flashes? Use this Morse mapping: A=.-, B=-..., C=-.-., D=-.., E=., F=..-., G=--., H=...., I=.., J=.---, K=-.-, L=.-.., M=--, N=-., O=---, P=.--., Q=--.-, R=.-., S=..., T=-, U=..-, V=...-, W=.--, X=-..-, Y=-.--, Z=--.., 0=-----, 1=.----, 2=..---, 3=...--, 4=....-, 5=....., 6=-...., 7=--..., 8=---.., 9=----., .=.-.-.-, ,=--..--, ?=..--.., '=.----., !=-.-.--, /=-..-., (=-.--., )=-.--.-, &=.-..., :=---..., ;=-.-.-., ==-...-, +=.-.-., -=-....-, _=..--.-, \"=.-..-., $=...-..-, @=.--.-.\n\n(A) APPLE\n(B) AMPLE\n(C) APPLY\n(D) ABELE",
        "answer_type": "mcq",
        "choices": [
          "APPLE",
          "AMPLE",
          "APPLY",
          "ABELE"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "symbolic_decoding"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/self_recorded/morse/0002_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "morse",
        "question": "What text message is encoded by the Morse light flashes? Use this Morse mapping: A=.-, B=-..., C=-.-., D=-.., E=., F=..-., G=--., H=...., I=.., J=.---, K=-.-, L=.-.., M=--, N=-., O=---, P=.--., Q=--.-, R=.-., S=..., T=-, U=..-, V=...-, W=.--, X=-..-, Y=-.--, Z=--.., 0=-----, 1=.----, 2=..---, 3=...--, 4=....-, 5=....., 6=-...., 7=--..., 8=---.., 9=----., .=.-.-.-, ,=--..--, ?=..--.., '=.----., !=-.-.--, /=-..-., (=-.--., )=-.--.-, &=.-..., :=---..., ;=-.-.-., ==-...-, +=.-.-., -=-....-, _=..--.-, \"=.-..-., $=...-..-, @=.--.-.\n\n(A) ANANAS\n(B) BANABA\n(C) ANANDA\n(D) BANANA",
        "answer_type": "mcq",
        "choices": [
          "ANANAS",
          "BANABA",
          "ANANDA",
          "BANANA"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "symbolic_decoding"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/self_recorded/morse/0003_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "morse",
        "question": "What text message is encoded by the Morse light flashes? Use this Morse mapping: A=.-, B=-..., C=-.-., D=-.., E=., F=..-., G=--., H=...., I=.., J=.---, K=-.-, L=.-.., M=--, N=-., O=---, P=.--., Q=--.-, R=.-., S=..., T=-, U=..-, V=...-, W=.--, X=-..-, Y=-.--, Z=--.., 0=-----, 1=.----, 2=..---, 3=...--, 4=....-, 5=....., 6=-...., 7=--..., 8=---.., 9=----., .=.-.-.-, ,=--..--, ?=..--.., '=.----., !=-.-.--, /=-..-., (=-.--., )=-.--.-, &=.-..., :=---..., ;=-.-.-., ==-...-, +=.-.-., -=-....-, _=..--.-, \"=.-..-., $=...-..-, @=.--.-.\n\n(A) PHONY\n(B) PHENE\n(C) PHONO\n(D) PHONE",
        "answer_type": "mcq",
        "choices": [
          "PHONY",
          "PHENE",
          "PHONO",
          "PHONE"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "symbolic_decoding"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0004_pt1",
        "video_path": "videos/self_recorded/morse/0004_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "morse",
        "question": "What text message is encoded by the Morse light flashes? Use this Morse mapping: A=.-, B=-..., C=-.-., D=-.., E=., F=..-., G=--., H=...., I=.., J=.---, K=-.-, L=.-.., M=--, N=-., O=---, P=.--., Q=--.-, R=.-., S=..., T=-, U=..-, V=...-, W=.--, X=-..-, Y=-.--, Z=--.., 0=-----, 1=.----, 2=..---, 3=...--, 4=....-, 5=....., 6=-...., 7=--..., 8=---.., 9=----., .=.-.-.-, ,=--..--, ?=..--.., '=.----., !=-.-.--, /=-..-., (=-.--., )=-.--.-, &=.-..., :=---..., ;=-.-.-., ==-...-, +=.-.-., -=-....-, _=..--.-, \"=.-..-., $=...-..-, @=.--.-.\n\n(A) BIGHT\n(B) DIGHT\n(C) LIGHT\n(D) EIGHT",
        "answer_type": "mcq",
        "choices": [
          "BIGHT",
          "DIGHT",
          "LIGHT",
          "EIGHT"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "symbolic_decoding"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0005_pt1",
        "video_path": "videos/self_recorded/morse/0005_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "morse",
        "question": "What text message is encoded by the Morse light flashes? Use this Morse mapping: A=.-, B=-..., C=-.-., D=-.., E=., F=..-., G=--., H=...., I=.., J=.---, K=-.-, L=.-.., M=--, N=-., O=---, P=.--., Q=--.-, R=.-., S=..., T=-, U=..-, V=...-, W=.--, X=-..-, Y=-.--, Z=--.., 0=-----, 1=.----, 2=..---, 3=...--, 4=....-, 5=....., 6=-...., 7=--..., 8=---.., 9=----., .=.-.-.-, ,=--..--, ?=..--.., '=.----., !=-.-.--, /=-..-., (=-.--., )=-.--.-, &=.-..., :=---..., ;=-.-.-., ==-...-, +=.-.-., -=-....-, _=..--.-, \"=.-..-., $=...-..-, @=.--.-.\n\n(A) SHIFT\n(B) SHIRT\n(C) SHIRE\n(D) SHIRK",
        "answer_type": "mcq",
        "choices": [
          "SHIFT",
          "SHIRT",
          "SHIRE",
          "SHIRK"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "symbolic_decoding"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0006_pt1",
        "video_path": "videos/self_recorded/morse/0006_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "morse",
        "question": "What text message is encoded by the Morse light flashes? Use this Morse mapping: A=.-, B=-..., C=-.-., D=-.., E=., F=..-., G=--., H=...., I=.., J=.---, K=-.-, L=.-.., M=--, N=-., O=---, P=.--., Q=--.-, R=.-., S=..., T=-, U=..-, V=...-, W=.--, X=-..-, Y=-.--, Z=--.., 0=-----, 1=.----, 2=..---, 3=...--, 4=....-, 5=....., 6=-...., 7=--..., 8=---.., 9=----., .=.-.-.-, ,=--..--, ?=..--.., '=.----., !=-.-.--, /=-..-., (=-.--., )=-.--.-, &=.-..., :=---..., ;=-.-.-., ==-...-, +=.-.-., -=-....-, _=..--.-, \"=.-..-., $=...-..-, @=.--.-.\n\n(A) CAPTOR\n(B) LAWTON\n(C) LACTOL\n(D) LAPTOP",
        "answer_type": "mcq",
        "choices": [
          "CAPTOR",
          "LAWTON",
          "LACTOL",
          "LAPTOP"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "symbolic_decoding"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0007_pt1",
        "video_path": "videos/self_recorded/morse/0007_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "morse",
        "question": "What text message is encoded by the Morse light flashes? Use this Morse mapping: A=.-, B=-..., C=-.-., D=-.., E=., F=..-., G=--., H=...., I=.., J=.---, K=-.-, L=.-.., M=--, N=-., O=---, P=.--., Q=--.-, R=.-., S=..., T=-, U=..-, V=...-, W=.--, X=-..-, Y=-.--, Z=--.., 0=-----, 1=.----, 2=..---, 3=...--, 4=....-, 5=....., 6=-...., 7=--..., 8=---.., 9=----., .=.-.-.-, ,=--..--, ?=..--.., '=.----., !=-.-.--, /=-..-., (=-.--., )=-.--.-, &=.-..., :=---..., ;=-.-.-., ==-...-, +=.-.-., -=-....-, _=..--.-, \"=.-..-., $=...-..-, @=.--.-.\n\n(A) FABLE\n(B) TABLE\n(C) GABLE\n(D) CABLE",
        "answer_type": "mcq",
        "choices": [
          "FABLE",
          "TABLE",
          "GABLE",
          "CABLE"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "symbolic_decoding"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0008_pt1",
        "video_path": "videos/self_recorded/morse/0008_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "morse",
        "question": "What text message is encoded by the Morse light flashes? Use this Morse mapping: A=.-, B=-..., C=-.-., D=-.., E=., F=..-., G=--., H=...., I=.., J=.---, K=-.-, L=.-.., M=--, N=-., O=---, P=.--., Q=--.-, R=.-., S=..., T=-, U=..-, V=...-, W=.--, X=-..-, Y=-.--, Z=--.., 0=-----, 1=.----, 2=..---, 3=...--, 4=....-, 5=....., 6=-...., 7=--..., 8=---.., 9=----., .=.-.-.-, ,=--..--, ?=..--.., '=.----., !=-.-.--, /=-..-., (=-.--., )=-.--.-, &=.-..., :=---..., ;=-.-.-., ==-...-, +=.-.-., -=-....-, _=..--.-, \"=.-..-., $=...-..-, @=.--.-.\n\n(A) BEIRA\n(B) ZABRA\n(C) BESRA\n(D) ZEBRA",
        "answer_type": "mcq",
        "choices": [
          "BEIRA",
          "ZABRA",
          "BESRA",
          "ZEBRA"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "symbolic_decoding"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0009_pt1",
        "video_path": "videos/self_recorded/morse/0009_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "morse",
        "question": "What text message is encoded by the Morse light flashes? Use this Morse mapping: A=.-, B=-..., C=-.-., D=-.., E=., F=..-., G=--., H=...., I=.., J=.---, K=-.-, L=.-.., M=--, N=-., O=---, P=.--., Q=--.-, R=.-., S=..., T=-, U=..-, V=...-, W=.--, X=-..-, Y=-.--, Z=--.., 0=-----, 1=.----, 2=..---, 3=...--, 4=....-, 5=....., 6=-...., 7=--..., 8=---.., 9=----., .=.-.-.-, ,=--..--, ?=..--.., '=.----., !=-.-.--, /=-..-., (=-.--., )=-.--.-, &=.-..., :=---..., ;=-.-.-., ==-...-, +=.-.-., -=-....-, _=..--.-, \"=.-..-., $=...-..-, @=.--.-.\n\n(A) BAIERA\n(B) BAHERA\n(C) CAMARA\n(D) CAMERA",
        "answer_type": "mcq",
        "choices": [
          "BAIERA",
          "BAHERA",
          "CAMARA",
          "CAMERA"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "symbolic_decoding"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      },
      {
        "video_id": "0010_pt1",
        "video_path": "videos/self_recorded/morse/0010_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "morse",
        "question": "What text message is encoded by the Morse light flashes? Use this Morse mapping: A=.-, B=-..., C=-.-., D=-.., E=., F=..-., G=--., H=...., I=.., J=.---, K=-.-, L=.-.., M=--, N=-., O=---, P=.--., Q=--.-, R=.-., S=..., T=-, U=..-, V=...-, W=.--, X=-..-, Y=-.--, Z=--.., 0=-----, 1=.----, 2=..---, 3=...--, 4=....-, 5=....., 6=-...., 7=--..., 8=---.., 9=----., .=.-.-.-, ,=--..--, ?=..--.., '=.----., !=-.-.--, /=-..-., (=-.--., )=-.--.-, &=.-..., :=---..., ;=-.-.-., ==-...-, +=.-.-., -=-....-, _=..--.-, \"=.-..-., $=...-..-, @=.--.-.\n\n(A) COFFER\n(B) COFFEE\n(C) COFFLE\n(D) COFFEA",
        "answer_type": "mcq",
        "choices": [
          "COFFER",
          "COFFEE",
          "COFFLE",
          "COFFEA"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "symbolic_decoding"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence"
      }
    ],
    "neuro_tracker": [
      {
        "video_id": "0001_pt1_q0",
        "video_path": "videos/youtube/neuro_tracker/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "neuro_tracker",
        "question": "Track the four balls highlighted at the very beginning. Among the balls numbered 1-8 shown at the end, which numbers correspond to the originally highlighted balls? Answer in (x,y,z,w) format, ordered from smallest to largest number.\n\n(A) (3,4,5,6)\n(B) (3,4,5,7)\n(C) (2,4,5,6)",
        "answer_type": "mcq",
        "choices": [
          "(3,4,5,6)",
          "(3,4,5,7)",
          "(2,4,5,6)"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "camera_motion",
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=cmFmfkuae2w",
        "youtube_id": "cmFmfkuae2w",
        "youtube_title": "NeuroTracker Tactical - Soccer",
        "start_time": "00:00:00",
        "end_time": "00:00:12",
        "start_sec": 0,
        "end_sec": 12
      },
      {
        "video_id": "0001_pt1_q1",
        "video_path": "videos/youtube/neuro_tracker/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "neuro_tracker",
        "question": "Track the balls highlighted at the very beginning. At the end, among those highlighted balls, which numbered ball is at the lowest position?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "camera_motion",
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=cmFmfkuae2w",
        "youtube_id": "cmFmfkuae2w",
        "youtube_title": "NeuroTracker Tactical - Soccer",
        "start_time": "00:00:00",
        "end_time": "00:00:12",
        "start_sec": 0,
        "end_sec": 12,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q2",
        "video_path": "videos/youtube/neuro_tracker/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "neuro_tracker",
        "question": "Track the balls highlighted at the very beginning. At the end, among those highlighted balls, which numbered ball is at the leftmost position?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "camera_motion",
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=cmFmfkuae2w",
        "youtube_id": "cmFmfkuae2w",
        "youtube_title": "NeuroTracker Tactical - Soccer",
        "start_time": "00:00:00",
        "end_time": "00:00:12",
        "start_sec": 0,
        "end_sec": 12,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q3",
        "video_path": "videos/youtube/neuro_tracker/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "neuro_tracker",
        "question": "Track the balls highlighted at the very beginning. At the end, among those highlighted balls, which numbered ball is at the rightmost position?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "camera_motion",
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=cmFmfkuae2w",
        "youtube_id": "cmFmfkuae2w",
        "youtube_title": "NeuroTracker Tactical - Soccer",
        "start_time": "00:00:00",
        "end_time": "00:00:12",
        "start_sec": 0,
        "end_sec": 12,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q4",
        "video_path": "videos/youtube/neuro_tracker/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "neuro_tracker",
        "question": "Track the balls highlighted at the very beginning. At the end, among those highlighted balls, which numbered ball is at the topmost position?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "camera_motion",
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=cmFmfkuae2w",
        "youtube_id": "cmFmfkuae2w",
        "youtube_title": "NeuroTracker Tactical - Soccer",
        "start_time": "00:00:00",
        "end_time": "00:00:12",
        "start_sec": 0,
        "end_sec": 12,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q0",
        "video_path": "videos/youtube/neuro_tracker/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "neuro_tracker",
        "question": "Track the four balls highlighted at the very beginning. Among the balls numbered 1-8 shown at the end, which numbers correspond to the originally highlighted balls? Answer in (x,y,z,w) format, ordered from smallest to largest number.\n\n(A) (2,5,7,8)\n(B) (2,5,6,8)\n(C) (3,5,6,8)\n(D) (1,5,6,8)",
        "answer_type": "mcq",
        "choices": [
          "(2,5,7,8)",
          "(2,5,6,8)",
          "(3,5,6,8)",
          "(1,5,6,8)"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "camera_motion",
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=HAg6ZumNOZY",
        "youtube_id": "HAg6ZumNOZY",
        "youtube_title": "NeuroTracker Tactical - Football",
        "start_time": "00:00:00",
        "end_time": "00:00:14",
        "start_sec": 0,
        "end_sec": 14
      },
      {
        "video_id": "0002_pt1_q1",
        "video_path": "videos/youtube/neuro_tracker/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "neuro_tracker",
        "question": "Track the balls highlighted at the very beginning. At the end, among those highlighted balls, which numbered ball is at the lowest position?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "camera_motion",
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=HAg6ZumNOZY",
        "youtube_id": "HAg6ZumNOZY",
        "youtube_title": "NeuroTracker Tactical - Football",
        "start_time": "00:00:00",
        "end_time": "00:00:14",
        "start_sec": 0,
        "end_sec": 14,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q2",
        "video_path": "videos/youtube/neuro_tracker/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "neuro_tracker",
        "question": "Track the balls highlighted at the very beginning. At the end, among those highlighted balls, which numbered ball is at the leftmost position?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "camera_motion",
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=HAg6ZumNOZY",
        "youtube_id": "HAg6ZumNOZY",
        "youtube_title": "NeuroTracker Tactical - Football",
        "start_time": "00:00:00",
        "end_time": "00:00:14",
        "start_sec": 0,
        "end_sec": 14,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q3",
        "video_path": "videos/youtube/neuro_tracker/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "neuro_tracker",
        "question": "Track the balls highlighted at the very beginning. At the end, among those highlighted balls, which numbered ball is at the rightmost position?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "camera_motion",
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=HAg6ZumNOZY",
        "youtube_id": "HAg6ZumNOZY",
        "youtube_title": "NeuroTracker Tactical - Football",
        "start_time": "00:00:00",
        "end_time": "00:00:14",
        "start_sec": 0,
        "end_sec": 14,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q4",
        "video_path": "videos/youtube/neuro_tracker/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "neuro_tracker",
        "question": "Track the balls highlighted at the very beginning. At the end, among those highlighted balls, which numbered ball is at the topmost position?",
        "answer_type": "numeric",
        "answer": 8,
        "perceptual_complexity": [
          "camera_motion",
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=HAg6ZumNOZY",
        "youtube_id": "HAg6ZumNOZY",
        "youtube_title": "NeuroTracker Tactical - Football",
        "start_time": "00:00:00",
        "end_time": "00:00:14",
        "start_sec": 0,
        "end_sec": 14,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1_q0",
        "video_path": "videos/youtube/neuro_tracker/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "neuro_tracker",
        "question": "Track the four balls highlighted at the very beginning. Among the balls numbered 1-8 shown at the end, which numbers correspond to the originally highlighted balls? Answer in (x,y,z,w) format, ordered from smallest to largest number.\n\n(A) (2,4,6,7)\n(B) (3,4,6,8)\n(C) (3,4,5,7)\n(D) (3,4,6,7)",
        "answer_type": "mcq",
        "choices": [
          "(2,4,6,7)",
          "(3,4,6,8)",
          "(3,4,5,7)",
          "(3,4,6,7)"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "camera_motion",
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=abH_HVCwmh0",
        "youtube_id": "abH_HVCwmh0",
        "youtube_title": "NeuroTracker Tactical - Baseball",
        "start_time": "00:00:00",
        "end_time": "00:00:12",
        "start_sec": 0,
        "end_sec": 12
      },
      {
        "video_id": "0003_pt1_q1",
        "video_path": "videos/youtube/neuro_tracker/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "neuro_tracker",
        "question": "Track the balls highlighted at the very beginning. At the end, among those highlighted balls, which numbered ball is at the lowest position?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "camera_motion",
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=abH_HVCwmh0",
        "youtube_id": "abH_HVCwmh0",
        "youtube_title": "NeuroTracker Tactical - Baseball",
        "start_time": "00:00:00",
        "end_time": "00:00:12",
        "start_sec": 0,
        "end_sec": 12,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1_q2",
        "video_path": "videos/youtube/neuro_tracker/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "neuro_tracker",
        "question": "Track the balls highlighted at the very beginning. At the end, among those highlighted balls, which numbered ball is at the leftmost position?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "camera_motion",
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=abH_HVCwmh0",
        "youtube_id": "abH_HVCwmh0",
        "youtube_title": "NeuroTracker Tactical - Baseball",
        "start_time": "00:00:00",
        "end_time": "00:00:12",
        "start_sec": 0,
        "end_sec": 12,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1_q3",
        "video_path": "videos/youtube/neuro_tracker/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "neuro_tracker",
        "question": "Track the balls highlighted at the very beginning. At the end, among those highlighted balls, which numbered ball is at the rightmost position?",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
          "camera_motion",
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=abH_HVCwmh0",
        "youtube_id": "abH_HVCwmh0",
        "youtube_title": "NeuroTracker Tactical - Baseball",
        "start_time": "00:00:00",
        "end_time": "00:00:12",
        "start_sec": 0,
        "end_sec": 12,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1_q4",
        "video_path": "videos/youtube/neuro_tracker/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "neuro_tracker",
        "question": "Track the balls highlighted at the very beginning. At the end, among those highlighted balls, which numbered ball is at the topmost position?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "camera_motion",
          "multi_entity_attribution",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=abH_HVCwmh0",
        "youtube_id": "abH_HVCwmh0",
        "youtube_title": "NeuroTracker Tactical - Baseball",
        "start_time": "00:00:00",
        "end_time": "00:00:12",
        "start_sec": 0,
        "end_sec": 12,
        "choices": [],
        "answer_index": null
      }
    ],
    "numberpad": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/self_recorded/numberpad/0001_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "numberpad",
        "question": "Which two numbers on the number pad were not pressed? Answer with two numbers separated by a comma.\n\n(A) 5,7\n(B) 0,7\n(C) 1,7\n(D) 2,7",
        "answer_type": "mcq",
        "choices": [
          "5,7",
          "0,7",
          "1,7",
          "2,7"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "set"
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/self_recorded/numberpad/0002_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "numberpad",
        "question": "Which two numbers on the number pad were not pressed? Answer with two numbers separated by a comma.\n\n(A) 2,4\n(B) 1,4\n(C) 0,4\n(D) 3,4",
        "answer_type": "mcq",
        "choices": [
          "2,4",
          "1,4",
          "0,4",
          "3,4"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "set"
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/self_recorded/numberpad/0003_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "numberpad",
        "question": "Which two numbers on the number pad were not pressed? Answer with two numbers separated by a comma.\n\n(A) 5,9\n(B) 2,9\n(C) 1,9\n(D) 0,9",
        "answer_type": "mcq",
        "choices": [
          "5,9",
          "2,9",
          "1,9",
          "0,9"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "set"
      },
      {
        "video_id": "0004_pt1",
        "video_path": "videos/self_recorded/numberpad/0004_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "numberpad",
        "question": "Which two numbers on the number pad were not pressed? Answer with two numbers separated by a comma.\n\n(A) 0,7\n(B) 0,1\n(C) 0,3\n(D) 0,2",
        "answer_type": "mcq",
        "choices": [
          "0,7",
          "0,1",
          "0,3",
          "0,2"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "set"
      },
      {
        "video_id": "0005_pt1",
        "video_path": "videos/self_recorded/numberpad/0005_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "numberpad",
        "question": "Which two numbers on the number pad were not pressed? Answer with two numbers separated by a comma.\n\n(A) 4,6\n(B) 1,6\n(C) 0,6\n(D) 2,6",
        "answer_type": "mcq",
        "choices": [
          "4,6",
          "1,6",
          "0,6",
          "2,6"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "set"
      },
      {
        "video_id": "0006_pt1",
        "video_path": "videos/self_recorded/numberpad/0006_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "numberpad",
        "question": "Which two numbers on the number pad were not pressed? Answer with two numbers separated by a comma.\n\n(A) 0,8\n(B) 1,2\n(C) 1,3\n(D) 1,8",
        "answer_type": "mcq",
        "choices": [
          "0,8",
          "1,2",
          "1,3",
          "1,8"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "set"
      },
      {
        "video_id": "0007_pt1",
        "video_path": "videos/self_recorded/numberpad/0007_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "numberpad",
        "question": "Which two numbers on the number pad were not pressed? Answer with two numbers separated by a comma.\n\n(A) 0,9\n(B) 2,9\n(C) 1,9\n(D) 2,3",
        "answer_type": "mcq",
        "choices": [
          "0,9",
          "2,9",
          "1,9",
          "2,3"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "set"
      },
      {
        "video_id": "0008_pt1",
        "video_path": "videos/self_recorded/numberpad/0008_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "numberpad",
        "question": "Which two numbers on the number pad were not pressed? Answer with two numbers separated by a comma.\n\n(A) 1,5\n(B) 0,5\n(C) 2,5\n(D) 3,5",
        "answer_type": "mcq",
        "choices": [
          "1,5",
          "0,5",
          "2,5",
          "3,5"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "set"
      },
      {
        "video_id": "0009_pt1",
        "video_path": "videos/self_recorded/numberpad/0009_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "numberpad",
        "question": "Which two numbers on the number pad were not pressed? Answer with two numbers separated by a comma.\n\n(A) 7,8\n(B) 2,8\n(C) 1,8\n(D) 0,8",
        "answer_type": "mcq",
        "choices": [
          "7,8",
          "2,8",
          "1,8",
          "0,8"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "set"
      },
      {
        "video_id": "0010_pt1",
        "video_path": "videos/self_recorded/numberpad/0010_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "numberpad",
        "question": "Which two numbers on the number pad were not pressed? Answer with two numbers separated by a comma.\n\n(A) 2,3\n(B) 0,4\n(C) 2,4\n(D) 1,4",
        "answer_type": "mcq",
        "choices": [
          "2,3",
          "0,4",
          "2,4",
          "1,4"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "symbolic_decoding"
        ],
        "state_element_type": "location",
        "state_structure": "set"
      }
    ],
    "order_packing": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/youtube/order_packing/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "Based on the number of cookies needed per box, how many cookies are required to pack 6 boxes in total?",
        "answer_type": "numeric",
        "answer": 18,
        "perceptual_complexity": [],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=InbBex5katE",
        "youtube_id": "InbBex5katE",
        "youtube_title": "Packing order with me/ Selling homemade cookies/ Making money from home/ Silent vlog 🍃",
        "start_time": "00:01:43",
        "end_time": "00:02:29",
        "start_sec": 103,
        "end_sec": 149,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q0",
        "video_path": "videos/youtube/order_packing/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "How many grocery items are packed in total?",
        "answer_type": "numeric",
        "answer": 8,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=Wqy6XnWhR24",
        "youtube_id": "Wqy6XnWhR24",
        "youtube_title": "Packing orders at Target | Asmr Soothing Videos | TikTok compilation",
        "start_time": "00:00:00",
        "end_time": "00:01:15",
        "start_sec": 0,
        "end_sec": 75,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q1",
        "video_path": "videos/youtube/order_packing/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "How many grocery items have already been packed before the white sandal?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=Wqy6XnWhR24",
        "youtube_id": "Wqy6XnWhR24",
        "youtube_title": "Packing orders at Target | Asmr Soothing Videos | TikTok compilation",
        "start_time": "00:00:00",
        "end_time": "00:01:15",
        "start_sec": 0,
        "end_sec": 75,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q2",
        "video_path": "videos/youtube/order_packing/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "Assuming only one of the medium-sized boxes from the video is used, how many of the shown grocery items can be packed into?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=Wqy6XnWhR24",
        "youtube_id": "Wqy6XnWhR24",
        "youtube_title": "Packing orders at Target | Asmr Soothing Videos | TikTok compilation",
        "start_time": "00:00:00",
        "end_time": "00:01:15",
        "start_sec": 0,
        "end_sec": 75,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt2_q0",
        "video_path": "videos/youtube/order_packing/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "How many grocery items are packed in total?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=Wqy6XnWhR24",
        "youtube_id": "Wqy6XnWhR24",
        "youtube_title": "Packing orders at Target | Asmr Soothing Videos | TikTok compilation",
        "start_time": "00:01:25",
        "end_time": "00:02:48",
        "start_sec": 85,
        "end_sec": 168,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt2_q1",
        "video_path": "videos/youtube/order_packing/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "How many boxes are used in total?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=Wqy6XnWhR24",
        "youtube_id": "Wqy6XnWhR24",
        "youtube_title": "Packing orders at Target | Asmr Soothing Videos | TikTok compilation",
        "start_time": "00:01:25",
        "end_time": "00:02:48",
        "start_sec": 85,
        "end_sec": 168,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt2_q2",
        "video_path": "videos/youtube/order_packing/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "Assuming only one of the smallest boxes from the video is used, how many of the shown grocery items can be packed into?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=Wqy6XnWhR24",
        "youtube_id": "Wqy6XnWhR24",
        "youtube_title": "Packing orders at Target | Asmr Soothing Videos | TikTok compilation",
        "start_time": "00:01:25",
        "end_time": "00:02:48",
        "start_sec": 85,
        "end_sec": 168,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt3_q0",
        "video_path": "videos/youtube/order_packing/0002_pt3.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "How many grocery items are packed in total?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=Wqy6XnWhR24",
        "youtube_id": "Wqy6XnWhR24",
        "youtube_title": "Packing orders at Target | Asmr Soothing Videos | TikTok compilation",
        "start_time": "00:02:57",
        "end_time": "00:04:15",
        "start_sec": 177,
        "end_sec": 255,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt3_q1",
        "video_path": "videos/youtube/order_packing/0002_pt3.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "How many different kinds of grocery items are packed in total?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=Wqy6XnWhR24",
        "youtube_id": "Wqy6XnWhR24",
        "youtube_title": "Packing orders at Target | Asmr Soothing Videos | TikTok compilation",
        "start_time": "00:02:57",
        "end_time": "00:04:15",
        "start_sec": 177,
        "end_sec": 255,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt4_q0",
        "video_path": "videos/youtube/order_packing/0002_pt4.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "How many grocery items are packed in total?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=Wqy6XnWhR24",
        "youtube_id": "Wqy6XnWhR24",
        "youtube_title": "Packing orders at Target | Asmr Soothing Videos | TikTok compilation",
        "start_time": "00:04:58",
        "end_time": "00:05:56",
        "start_sec": 298,
        "end_sec": 356,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt4_q1",
        "video_path": "videos/youtube/order_packing/0002_pt4.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "Is the earthy-yellow item packed after the blue item?\n\n(A) Yes\n(B) No",
        "answer_type": "mcq",
        "choices": [
          "Yes",
          "No"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=Wqy6XnWhR24",
        "youtube_id": "Wqy6XnWhR24",
        "youtube_title": "Packing orders at Target | Asmr Soothing Videos | TikTok compilation",
        "start_time": "00:04:58",
        "end_time": "00:05:56",
        "start_sec": 298,
        "end_sec": 356
      },
      {
        "video_id": "0002_pt4_q2",
        "video_path": "videos/youtube/order_packing/0002_pt4.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "Suppose two additional orders arrive: one containing three grocery items of different colors, and another containing a single item (matching the item types shown previously). Including the original orders from the video, how many bags are needed in total?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=Wqy6XnWhR24",
        "youtube_id": "Wqy6XnWhR24",
        "youtube_title": "Packing orders at Target | Asmr Soothing Videos | TikTok compilation",
        "start_time": "00:04:58",
        "end_time": "00:05:56",
        "start_sec": 298,
        "end_sec": 356,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt5_q0",
        "video_path": "videos/youtube/order_packing/0002_pt5.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "How many grocery items are packed in total?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=Wqy6XnWhR24",
        "youtube_id": "Wqy6XnWhR24",
        "youtube_title": "Packing orders at Target | Asmr Soothing Videos | TikTok compilation",
        "start_time": "00:05:58",
        "end_time": "00:07:16.791",
        "start_sec": 358,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt5_q1",
        "video_path": "videos/youtube/order_packing/0002_pt5.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "How many bags are used in total?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=Wqy6XnWhR24",
        "youtube_id": "Wqy6XnWhR24",
        "youtube_title": "Packing orders at Target | Asmr Soothing Videos | TikTok compilation",
        "start_time": "00:05:58",
        "end_time": "00:07:16.791",
        "start_sec": 358,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1_q0",
        "video_path": "videos/youtube/order_packing/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "How many grocery items are packed in total?",
        "answer_type": "numeric",
        "answer": 16,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=pgZaEvstFwE",
        "youtube_id": "pgZaEvstFwE",
        "youtube_title": "POV of a Target Employee | HUGE Grocery Order | TikTok Compilation | Packing boxes and orders 📦",
        "start_time": "00:00:00",
        "end_time": "00:00:57",
        "start_sec": 0,
        "end_sec": 57,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1_q1",
        "video_path": "videos/youtube/order_packing/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "Among all packed grocery items, what is the maximum count of items sharing the same packaging color?",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=pgZaEvstFwE",
        "youtube_id": "pgZaEvstFwE",
        "youtube_title": "POV of a Target Employee | HUGE Grocery Order | TikTok Compilation | Packing boxes and orders 📦",
        "start_time": "00:00:00",
        "end_time": "00:00:57",
        "start_sec": 0,
        "end_sec": 57,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1_q2",
        "video_path": "videos/youtube/order_packing/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "Once packing is complete, what is the minimum number of grocery items that must be removed so that one of the items bagged with transparent plastic is fully visible, with nothing even partially covering it?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=pgZaEvstFwE",
        "youtube_id": "pgZaEvstFwE",
        "youtube_title": "POV of a Target Employee | HUGE Grocery Order | TikTok Compilation | Packing boxes and orders 📦",
        "start_time": "00:00:00",
        "end_time": "00:00:57",
        "start_sec": 0,
        "end_sec": 57,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt2_q0",
        "video_path": "videos/youtube/order_packing/0003_pt2.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "Once packing is complete, what is the minimum number of grocery items that must be removed so that one of the items bagged with transparent plastic is fully visible, with nothing even partially covering it?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=pgZaEvstFwE",
        "youtube_id": "pgZaEvstFwE",
        "youtube_title": "POV of a Target Employee | HUGE Grocery Order | TikTok Compilation | Packing boxes and orders 📦",
        "start_time": "00:01:50",
        "end_time": "00:02:32",
        "start_sec": 110,
        "end_sec": 152,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt2_q1",
        "video_path": "videos/youtube/order_packing/0003_pt2.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "How many grocery items are packed in total?",
        "answer_type": "numeric",
        "answer": 16,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=pgZaEvstFwE",
        "youtube_id": "pgZaEvstFwE",
        "youtube_title": "POV of a Target Employee | HUGE Grocery Order | TikTok Compilation | Packing boxes and orders 📦",
        "start_time": "00:01:50",
        "end_time": "00:02:32",
        "start_sec": 110,
        "end_sec": 152,
        "choices": [],
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        "source_task": "order_packing",
        "question": "How many grocery items are packed in total?",
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        "source_task": "order_packing",
        "question": "Among all packed grocery items, what is the maximum count of items sharing the same packaging color?",
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        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "How many grocery items are packed in total?",
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        "video_source": "youtube",
        "source_task": "order_packing",
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        "video_source": "youtube",
        "source_task": "order_packing",
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        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "How many grocery items are packed in total?",
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        "video_source": "youtube",
        "source_task": "order_packing",
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        "source_task": "order_packing",
        "question": "How many grocery items are packed in total?",
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        "source_task": "order_packing",
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        "source_task": "order_packing",
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        "source_task": "order_packing",
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        "source_task": "order_packing",
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        "source_task": "order_packing",
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        "video_source": "youtube",
        "source_task": "order_packing",
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        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "If identical grocery items are grouped together, how many total item groups are there in the order, excluding groups that contain only one item?",
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        "video_source": "youtube",
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        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=0vu5Rc7tskA",
        "youtube_id": "0vu5Rc7tskA",
        "youtube_title": "POV of a Target Employee | Packing Orders and Boxes 📦 | Behind The Scenes",
        "start_time": "00:01:34",
        "end_time": "00:02:25",
        "start_sec": 94,
        "end_sec": 145
      },
      {
        "video_id": "0005_pt3_q0",
        "video_path": "videos/youtube/order_packing/0005_pt3.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "How many grocery items are packed in total?",
        "answer_type": "numeric",
        "answer": 8,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=0vu5Rc7tskA",
        "youtube_id": "0vu5Rc7tskA",
        "youtube_title": "POV of a Target Employee | Packing Orders and Boxes 📦 | Behind The Scenes",
        "start_time": "00:02:35",
        "end_time": "00:03:35",
        "start_sec": 155,
        "end_sec": 215,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt3_q1",
        "video_path": "videos/youtube/order_packing/0005_pt3.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "If identical grocery items are grouped together, how many total item groups are there in the order, excluding groups that contain only one item?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=0vu5Rc7tskA",
        "youtube_id": "0vu5Rc7tskA",
        "youtube_title": "POV of a Target Employee | Packing Orders and Boxes 📦 | Behind The Scenes",
        "start_time": "00:02:35",
        "end_time": "00:03:35",
        "start_sec": 155,
        "end_sec": 215,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt3_q2",
        "video_path": "videos/youtube/order_packing/0005_pt3.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "Counting all items that have at least one identical match in the order, how many total grocery items are duplicated?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=0vu5Rc7tskA",
        "youtube_id": "0vu5Rc7tskA",
        "youtube_title": "POV of a Target Employee | Packing Orders and Boxes 📦 | Behind The Scenes",
        "start_time": "00:02:35",
        "end_time": "00:03:35",
        "start_sec": 155,
        "end_sec": 215,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt3_q3",
        "video_path": "videos/youtube/order_packing/0005_pt3.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "Which order has the most grocery items?\n\n(A) The first one\n(B) The second one\n(C) The third one",
        "answer_type": "mcq",
        "choices": [
          "The first one",
          "The second one",
          "The third one"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=0vu5Rc7tskA",
        "youtube_id": "0vu5Rc7tskA",
        "youtube_title": "POV of a Target Employee | Packing Orders and Boxes 📦 | Behind The Scenes",
        "start_time": "00:02:35",
        "end_time": "00:03:35",
        "start_sec": 155,
        "end_sec": 215
      },
      {
        "video_id": "0005_pt4_q0",
        "video_path": "videos/youtube/order_packing/0005_pt4.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "How many grocery items are packed in total?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=0vu5Rc7tskA",
        "youtube_id": "0vu5Rc7tskA",
        "youtube_title": "POV of a Target Employee | Packing Orders and Boxes 📦 | Behind The Scenes",
        "start_time": "00:03:22",
        "end_time": "00:04:30",
        "start_sec": 202,
        "end_sec": 270,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt4_q1",
        "video_path": "videos/youtube/order_packing/0005_pt4.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "Which order has the most grocery items?\n\n(A) The first one\n(B) The second one\n(C) The fourth one\n(D) The third one",
        "answer_type": "mcq",
        "choices": [
          "The first one",
          "The second one",
          "The fourth one",
          "The third one"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=0vu5Rc7tskA",
        "youtube_id": "0vu5Rc7tskA",
        "youtube_title": "POV of a Target Employee | Packing Orders and Boxes 📦 | Behind The Scenes",
        "start_time": "00:03:22",
        "end_time": "00:04:30",
        "start_sec": 202,
        "end_sec": 270
      },
      {
        "video_id": "0005_pt5_q0",
        "video_path": "videos/youtube/order_packing/0005_pt5.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "How many grocery items are packed in total?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=0vu5Rc7tskA",
        "youtube_id": "0vu5Rc7tskA",
        "youtube_title": "POV of a Target Employee | Packing Orders and Boxes 📦 | Behind The Scenes",
        "start_time": "00:04:40",
        "end_time": "00:05:50",
        "start_sec": 280,
        "end_sec": 350,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt5_q1",
        "video_path": "videos/youtube/order_packing/0005_pt5.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "Which order has the largest item?\n\n(A) The first one\n(B) The third one\n(C) The second one",
        "answer_type": "mcq",
        "choices": [
          "The first one",
          "The third one",
          "The second one"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=0vu5Rc7tskA",
        "youtube_id": "0vu5Rc7tskA",
        "youtube_title": "POV of a Target Employee | Packing Orders and Boxes 📦 | Behind The Scenes",
        "start_time": "00:04:40",
        "end_time": "00:05:50",
        "start_sec": 280,
        "end_sec": 350
      },
      {
        "video_id": "0005_pt5_q2",
        "video_path": "videos/youtube/order_packing/0005_pt5.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "How many boxes are used in total?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=0vu5Rc7tskA",
        "youtube_id": "0vu5Rc7tskA",
        "youtube_title": "POV of a Target Employee | Packing Orders and Boxes 📦 | Behind The Scenes",
        "start_time": "00:04:40",
        "end_time": "00:05:50",
        "start_sec": 280,
        "end_sec": 350,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt5_q3",
        "video_path": "videos/youtube/order_packing/0005_pt5.mp4",
        "video_source": "youtube",
        "source_task": "order_packing",
        "question": "What's the largest number of grocery items packed in a single box?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=0vu5Rc7tskA",
        "youtube_id": "0vu5Rc7tskA",
        "youtube_title": "POV of a Target Employee | Packing Orders and Boxes 📦 | Behind The Scenes",
        "start_time": "00:04:40",
        "end_time": "00:05:50",
        "start_sec": 280,
        "end_sec": 350,
        "choices": [],
        "answer_index": null
      }
    ],
    "packing_order_blue": [
      {
        "video_id": "0002_pt1",
        "video_path": "videos/self_recorded/packing_order/0002_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "packing_order_blue",
        "question": "In the video, papers and chopsticks are being distributed into cups so that each cup has the same amount. How many blue papers need to be added so that all cups have the same number of blue papers?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt1",
        "video_path": "videos/self_recorded/packing_order/0004_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "packing_order_blue",
        "question": "In the video, papers and chopsticks are being distributed into cups so that each cup has the same amount. How many blue papers need to be added so that all cups have the same number of blue papers?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0006_pt1",
        "video_path": "videos/self_recorded/packing_order/0006_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "packing_order_blue",
        "question": "In the video, papers and chopsticks are being distributed into cups so that each cup has the same amount. How many blue papers need to be added so that all cups have the same number of blue papers?",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0008_pt1",
        "video_path": "videos/self_recorded/packing_order/0008_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "packing_order_blue",
        "question": "In the video, papers and chopsticks are being distributed into cups so that each cup has the same amount. How many blue papers need to be added so that all cups have the same number of blue papers?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0010_pt1",
        "video_path": "videos/self_recorded/packing_order/0010_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "packing_order_blue",
        "question": "In the video, papers and chopsticks are being distributed into cups so that each cup has the same amount. How many blue papers need to be added so that all cups have the same number of blue papers?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "choices": [],
        "answer_index": null
      }
    ],
    "packing_order_chopsticks": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/self_recorded/packing_order/0001_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "packing_order_chopsticks",
        "question": "In the video, papers and chopsticks are being distributed into cups so that each cup has the same amount. How many chopsticks need to be added so that all cups have the same number of chopsticks?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/self_recorded/packing_order/0003_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "packing_order_chopsticks",
        "question": "In the video, papers and chopsticks are being distributed into cups so that each cup has the same amount. How many chopsticks need to be added so that all cups have the same number of chopsticks?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt1",
        "video_path": "videos/self_recorded/packing_order/0005_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "packing_order_chopsticks",
        "question": "In the video, papers and chopsticks are being distributed into cups so that each cup has the same amount. How many chopsticks need to be added so that all cups have the same number of chopsticks?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0007_pt1",
        "video_path": "videos/self_recorded/packing_order/0007_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "packing_order_chopsticks",
        "question": "In the video, papers and chopsticks are being distributed into cups so that each cup has the same amount. How many chopsticks need to be added so that all cups have the same number of chopsticks?",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0009_pt1",
        "video_path": "videos/self_recorded/packing_order/0009_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "packing_order_chopsticks",
        "question": "In the video, papers and chopsticks are being distributed into cups so that each cup has the same amount. How many chopsticks need to be added so that all cups have the same number of chopsticks?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "choices": [],
        "answer_index": null
      }
    ],
    "packing_order_green": [
      {
        "video_id": "0002_pt1",
        "video_path": "videos/self_recorded/packing_order/0002_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "packing_order_green",
        "question": "In the video, papers and chopsticks are being distributed into cups so that each cup has the same amount. How many green papers need to be added so that all cups have the same number of green papers?",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt1",
        "video_path": "videos/self_recorded/packing_order/0004_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "packing_order_green",
        "question": "In the video, papers and chopsticks are being distributed into cups so that each cup has the same amount. How many green papers need to be added so that all cups have the same number of green papers?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0006_pt1",
        "video_path": "videos/self_recorded/packing_order/0006_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "packing_order_green",
        "question": "In the video, papers and chopsticks are being distributed into cups so that each cup has the same amount. How many green papers need to be added so that all cups have the same number of green papers?",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0008_pt1",
        "video_path": "videos/self_recorded/packing_order/0008_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "packing_order_green",
        "question": "In the video, papers and chopsticks are being distributed into cups so that each cup has the same amount. How many green papers need to be added so that all cups have the same number of green papers?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0010_pt1",
        "video_path": "videos/self_recorded/packing_order/0010_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "packing_order_green",
        "question": "In the video, papers and chopsticks are being distributed into cups so that each cup has the same amount. How many green papers need to be added so that all cups have the same number of green papers?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "choices": [],
        "answer_index": null
      }
    ],
    "packing_order_yellow": [
      {
        "video_id": "0003_pt1",
        "video_path": "videos/self_recorded/packing_order/0003_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "packing_order_yellow",
        "question": "In the video, papers and chopsticks are being distributed into cups so that each cup has the same amount. How many yellow papers need to be added so that all cups have the same number of yellow papers?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt1",
        "video_path": "videos/self_recorded/packing_order/0005_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "packing_order_yellow",
        "question": "In the video, papers and chopsticks are being distributed into cups so that each cup has the same amount. How many yellow papers need to be added so that all cups have the same number of yellow papers?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0007_pt1",
        "video_path": "videos/self_recorded/packing_order/0007_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "packing_order_yellow",
        "question": "In the video, papers and chopsticks are being distributed into cups so that each cup has the same amount. How many yellow papers need to be added so that all cups have the same number of yellow papers?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0009_pt1",
        "video_path": "videos/self_recorded/packing_order/0009_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "packing_order_yellow",
        "question": "In the video, papers and chopsticks are being distributed into cups so that each cup has the same amount. How many yellow papers need to be added so that all cups have the same number of yellow papers?",
        "answer_type": "numeric",
        "answer": 10,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "choices": [],
        "answer_index": null
      }
    ],
    "shell_game": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/self_recorded/shell_game/0001_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "shell_game",
        "question": "At the end of the video, which position is the cup (that contains the smaller cup) in? Left, Center, or Right? Answer from the viewer's perspective.\n\n(A) Left\n(B) Center\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Left",
          "Center",
          "Right"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/self_recorded/shell_game/0002_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "shell_game",
        "question": "At the end of the video, which position is the cup (that contains the smaller cup) in? Left, Center, or Right? Answer from the viewer's perspective.\n\n(A) Right\n(B) Left\n(C) Center",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Left",
          "Center"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/self_recorded/shell_game/0003_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "shell_game",
        "question": "At the end of the video, which position is the cup (that contains the smaller cup) in? Left, Center, or Right? Answer from the viewer's perspective.\n\n(A) Center\n(B) Right\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Center",
          "Right",
          "Left"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0004_pt1",
        "video_path": "videos/self_recorded/shell_game/0004_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "shell_game",
        "question": "At the end of the video, which position is the cup (that contains the smaller cup) in? Left, Center, or Right? Answer from the viewer's perspective.\n\n(A) Right\n(B) Center\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Center",
          "Left"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0005_pt1",
        "video_path": "videos/self_recorded/shell_game/0005_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "shell_game",
        "question": "At the end of the video, which position is the cup (that contains the smaller cup) in? Left, Center, or Right? Answer from the viewer's perspective.\n\n(A) Center\n(B) Left\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Center",
          "Left",
          "Right"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0006_pt1",
        "video_path": "videos/self_recorded/shell_game/0006_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "shell_game",
        "question": "At the end of the video, which position is the cup (that contains the smaller cup) in? Left, Center, or Right? Answer from the viewer's perspective.\n\n(A) Right\n(B) Left\n(C) Center",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Left",
          "Center"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0007_pt1",
        "video_path": "videos/self_recorded/shell_game/0007_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "shell_game",
        "question": "At the end of the video, which position is the cup (that contains the smaller cup) in? Left, Center, or Right? Answer from the viewer's perspective.\n\n(A) Right\n(B) Center\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Center",
          "Left"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0008_pt1",
        "video_path": "videos/self_recorded/shell_game/0008_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "shell_game",
        "question": "At the end of the video, which position is the cup (that contains the smaller cup) in? Left, Center, or Right? Answer from the viewer's perspective.\n\n(A) Right\n(B) Center\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Center",
          "Left"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0009_pt1",
        "video_path": "videos/self_recorded/shell_game/0009_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "shell_game",
        "question": "At the end of the video, which position is the cup (that contains the smaller cup) in? Left, Center, or Right? Answer from the viewer's perspective.\n\n(A) Right\n(B) Left\n(C) Center",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Left",
          "Center"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0010_pt1",
        "video_path": "videos/self_recorded/shell_game/0010_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "shell_game",
        "question": "At the end of the video, which position is the cup (that contains the smaller cup) in? Left, Center, or Right? Answer from the viewer's perspective.\n\n(A) Right\n(B) Center\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Center",
          "Left"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      }
    ],
    "shell_game_rotate": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0001_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Right\n(B) Center\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Center",
          "Left"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0002_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Left\n(B) Center\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Left",
          "Center",
          "Right"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0003_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Left\n(B) Center\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Left",
          "Center",
          "Right"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0004_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0004_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Center\n(B) Right\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Center",
          "Right",
          "Left"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0005_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0005_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Center\n(B) Right\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Center",
          "Right",
          "Left"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0006_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0006_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Left\n(B) Right\n(C) Center",
        "answer_type": "mcq",
        "choices": [
          "Left",
          "Right",
          "Center"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0007_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0007_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Left\n(B) Center\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Left",
          "Center",
          "Right"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0008_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0008_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Left\n(B) Center\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Left",
          "Center",
          "Right"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0009_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0009_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Left\n(B) Center\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Left",
          "Center",
          "Right"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0010_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0010_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Left\n(B) Center\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Left",
          "Center",
          "Right"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0011_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0011_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Left\n(B) Center\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Left",
          "Center",
          "Right"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0012_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0012_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Right\n(B) Left\n(C) Center",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Left",
          "Center"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0013_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0013_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Left\n(B) Right\n(C) Center",
        "answer_type": "mcq",
        "choices": [
          "Left",
          "Right",
          "Center"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0014_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0014_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Center\n(B) Right\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Center",
          "Right",
          "Left"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0015_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0015_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Center\n(B) Left\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Center",
          "Left",
          "Right"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0016_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0016_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Center\n(B) Left\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Center",
          "Left",
          "Right"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0017_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0017_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Right\n(B) Center\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Center",
          "Left"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0018_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0018_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Right\n(B) Left\n(C) Center",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Left",
          "Center"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0019_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0019_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Left\n(B) Right\n(C) Center",
        "answer_type": "mcq",
        "choices": [
          "Left",
          "Right",
          "Center"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0020_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0020_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Right\n(B) Center\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Center",
          "Left"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0021_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0021_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Center\n(B) Right\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Center",
          "Right",
          "Left"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0022_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0022_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Right\n(B) Center\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Center",
          "Left"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0023_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0023_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Right\n(B) Left\n(C) Center",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Left",
          "Center"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0024_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0024_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Center\n(B) Left\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Center",
          "Left",
          "Right"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0025_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0025_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Left\n(B) Right\n(C) Center",
        "answer_type": "mcq",
        "choices": [
          "Left",
          "Right",
          "Center"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0026_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0026_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Center\n(B) Left\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Center",
          "Left",
          "Right"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0027_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0027_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Right\n(B) Center\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Center",
          "Left"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0028_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0028_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Center\n(B) Left\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Center",
          "Left",
          "Right"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0029_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0029_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Center\n(B) Right\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Center",
          "Right",
          "Left"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0030_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0030_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Right\n(B) Left\n(C) Center",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Left",
          "Center"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0031_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0031_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Center\n(B) Left\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Center",
          "Left",
          "Right"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0032_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0032_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Right\n(B) Center\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Center",
          "Left"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0033_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0033_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Right\n(B) Center\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Center",
          "Left"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0034_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0034_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Right\n(B) Center\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Center",
          "Left"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0035_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0035_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Center\n(B) Left\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Center",
          "Left",
          "Right"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0036_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0036_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Right\n(B) Center\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Center",
          "Left"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0037_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0037_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Center\n(B) Left\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Center",
          "Left",
          "Right"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0038_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0038_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Right\n(B) Center\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Center",
          "Left"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0039_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0039_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Left\n(B) Right\n(C) Center",
        "answer_type": "mcq",
        "choices": [
          "Left",
          "Right",
          "Center"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0040_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0040_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Left\n(B) Center\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Left",
          "Center",
          "Right"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0041_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0041_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Left\n(B) Right\n(C) Center",
        "answer_type": "mcq",
        "choices": [
          "Left",
          "Right",
          "Center"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0042_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0042_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Left\n(B) Right\n(C) Center",
        "answer_type": "mcq",
        "choices": [
          "Left",
          "Right",
          "Center"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0043_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0043_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Right\n(B) Left\n(C) Center",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Left",
          "Center"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0044_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0044_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Left\n(B) Right\n(C) Center",
        "answer_type": "mcq",
        "choices": [
          "Left",
          "Right",
          "Center"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0045_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0045_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Right\n(B) Left\n(C) Center",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Left",
          "Center"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0046_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0046_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Right\n(B) Center\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Center",
          "Left"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0047_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0047_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Left\n(B) Center\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Left",
          "Center",
          "Right"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0048_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0048_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Center\n(B) Left\n(C) Right",
        "answer_type": "mcq",
        "choices": [
          "Center",
          "Left",
          "Right"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0049_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0049_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Right\n(B) Center\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Center",
          "Left"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0050_pt1",
        "video_path": "videos/synthetic/shell_game_rotate/0050_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shell_game_rotate",
        "question": "At the end of the video, which position is the Cup_B (that contains the ball) in? Left, Center, or Right?\n\n(A) Right\n(B) Center\n(C) Left",
        "answer_type": "mcq",
        "choices": [
          "Right",
          "Center",
          "Left"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "camera_motion",
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      }
    ],
    "shuffle_puzzle": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0001_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter A tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 3, Column 1\n(B) Row 2, Column 1\n(C) Row 2, Column 2\n(D) Row 1, Column 1",
        "answer_type": "mcq",
        "choices": [
          "Row 3, Column 1",
          "Row 2, Column 1",
          "Row 2, Column 2",
          "Row 1, Column 1"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0002_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter C tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 3, Column 3\n(B) Row 3, Column 2\n(C) Row 2, Column 3\n(D) Row 1, Column 3",
        "answer_type": "mcq",
        "choices": [
          "Row 3, Column 3",
          "Row 3, Column 2",
          "Row 2, Column 3",
          "Row 1, Column 3"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0003_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter E tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 3, Column 2\n(B) Row 3, Column 1\n(C) Row 1, Column 2\n(D) Row 2, Column 2",
        "answer_type": "mcq",
        "choices": [
          "Row 3, Column 2",
          "Row 3, Column 1",
          "Row 1, Column 2",
          "Row 2, Column 2"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0004_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0004_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter E tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 3, Column 3\n(B) Row 2, Column 3\n(C) Row 1, Column 3\n(D) Row 3, Column 1",
        "answer_type": "mcq",
        "choices": [
          "Row 3, Column 3",
          "Row 2, Column 3",
          "Row 1, Column 3",
          "Row 3, Column 1"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0005_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0005_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter C tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 1, Column 3\n(B) Row 1, Column 1\n(C) Row 2, Column 3\n(D) Row 1, Column 2",
        "answer_type": "mcq",
        "choices": [
          "Row 1, Column 3",
          "Row 1, Column 1",
          "Row 2, Column 3",
          "Row 1, Column 2"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0006_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0006_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter D tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 1, Column 1\n(B) Row 1, Column 3\n(C) Row 3, Column 1\n(D) Row 2, Column 1",
        "answer_type": "mcq",
        "choices": [
          "Row 1, Column 1",
          "Row 1, Column 3",
          "Row 3, Column 1",
          "Row 2, Column 1"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0007_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0007_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter G tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 1, Column 1\n(B) Row 3, Column 3\n(C) Row 3, Column 1\n(D) Row 2, Column 1",
        "answer_type": "mcq",
        "choices": [
          "Row 1, Column 1",
          "Row 3, Column 3",
          "Row 3, Column 1",
          "Row 2, Column 1"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0008_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0008_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter D tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 1\n(B) Row 3, Column 1\n(C) Row 3, Column 3\n(D) Row 3, Column 2",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 1",
          "Row 3, Column 1",
          "Row 3, Column 3",
          "Row 3, Column 2"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0009_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0009_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter C tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 3, Column 2\n(B) Row 2, Column 2\n(C) Row 3, Column 1\n(D) Row 3, Column 3",
        "answer_type": "mcq",
        "choices": [
          "Row 3, Column 2",
          "Row 2, Column 2",
          "Row 3, Column 1",
          "Row 3, Column 3"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0010_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0010_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter C tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 1, Column 2\n(B) Row 3, Column 3\n(C) Row 1, Column 3\n(D) Row 1, Column 1",
        "answer_type": "mcq",
        "choices": [
          "Row 1, Column 2",
          "Row 3, Column 3",
          "Row 1, Column 3",
          "Row 1, Column 1"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0011_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0011_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter C tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 1, Column 3\n(B) Row 1, Column 2\n(C) Row 2, Column 3\n(D) Row 1, Column 1",
        "answer_type": "mcq",
        "choices": [
          "Row 1, Column 3",
          "Row 1, Column 2",
          "Row 2, Column 3",
          "Row 1, Column 1"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0012_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0012_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter B tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 1\n(B) Row 1, Column 3\n(C) Row 2, Column 3\n(D) Row 2, Column 2",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 1",
          "Row 1, Column 3",
          "Row 2, Column 3",
          "Row 2, Column 2"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0013_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0013_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter E tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 3\n(B) Row 3, Column 3\n(C) Row 1, Column 3\n(D) Row 1, Column 1",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 3",
          "Row 3, Column 3",
          "Row 1, Column 3",
          "Row 1, Column 1"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0014_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0014_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter B tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 1, Column 1\n(B) Row 2, Column 1\n(C) Row 3, Column 1\n(D) Row 2, Column 3",
        "answer_type": "mcq",
        "choices": [
          "Row 1, Column 1",
          "Row 2, Column 1",
          "Row 3, Column 1",
          "Row 2, Column 3"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0015_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0015_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter A tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 1\n(B) Row 1, Column 1\n(C) Row 3, Column 1\n(D) Row 3, Column 2",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 1",
          "Row 1, Column 1",
          "Row 3, Column 1",
          "Row 3, Column 2"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0016_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0016_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter F tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 2\n(B) Row 3, Column 3\n(C) Row 2, Column 1\n(D) Row 2, Column 3",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 2",
          "Row 3, Column 3",
          "Row 2, Column 1",
          "Row 2, Column 3"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0017_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0017_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter C tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 1, Column 2\n(B) Row 3, Column 2\n(C) Row 2, Column 2\n(D) Row 1, Column 1",
        "answer_type": "mcq",
        "choices": [
          "Row 1, Column 2",
          "Row 3, Column 2",
          "Row 2, Column 2",
          "Row 1, Column 1"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0018_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0018_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter C tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 3\n(B) Row 1, Column 3\n(C) Row 1, Column 2\n(D) Row 3, Column 3",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 3",
          "Row 1, Column 3",
          "Row 1, Column 2",
          "Row 3, Column 3"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0019_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0019_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter H tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 2\n(B) Row 1, Column 3\n(C) Row 2, Column 3\n(D) Row 3, Column 3",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 2",
          "Row 1, Column 3",
          "Row 2, Column 3",
          "Row 3, Column 3"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0020_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0020_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter H tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 3, Column 1\n(B) Row 2, Column 2\n(C) Row 3, Column 2\n(D) Row 1, Column 2",
        "answer_type": "mcq",
        "choices": [
          "Row 3, Column 1",
          "Row 2, Column 2",
          "Row 3, Column 2",
          "Row 1, Column 2"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0021_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0021_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter D tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 2\n(B) Row 2, Column 3\n(C) Row 3, Column 1\n(D) Row 2, Column 1",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 2",
          "Row 2, Column 3",
          "Row 3, Column 1",
          "Row 2, Column 1"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0022_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0022_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter D tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 1, Column 3\n(B) Row 1, Column 2\n(C) Row 1, Column 1\n(D) Row 2, Column 2",
        "answer_type": "mcq",
        "choices": [
          "Row 1, Column 3",
          "Row 1, Column 2",
          "Row 1, Column 1",
          "Row 2, Column 2"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0023_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0023_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter D tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 1\n(B) Row 3, Column 3\n(C) Row 3, Column 2\n(D) Row 3, Column 1",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 1",
          "Row 3, Column 3",
          "Row 3, Column 2",
          "Row 3, Column 1"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0024_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0024_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter B tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 2\n(B) Row 2, Column 1\n(C) Row 3, Column 3\n(D) Row 2, Column 3",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 2",
          "Row 2, Column 1",
          "Row 3, Column 3",
          "Row 2, Column 3"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0025_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0025_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter A tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 1\n(B) Row 1, Column 2\n(C) Row 1, Column 1\n(D) Row 3, Column 1",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 1",
          "Row 1, Column 2",
          "Row 1, Column 1",
          "Row 3, Column 1"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0026_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0026_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter D tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 1, Column 1\n(B) Row 1, Column 2\n(C) Row 1, Column 3\n(D) Row 2, Column 1",
        "answer_type": "mcq",
        "choices": [
          "Row 1, Column 1",
          "Row 1, Column 2",
          "Row 1, Column 3",
          "Row 2, Column 1"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0027_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0027_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter E tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 2\n(B) Row 3, Column 3\n(C) Row 2, Column 1\n(D) Row 2, Column 3",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 2",
          "Row 3, Column 3",
          "Row 2, Column 1",
          "Row 2, Column 3"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0028_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0028_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter B tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 1, Column 2\n(B) Row 1, Column 3\n(C) Row 1, Column 1\n(D) Row 3, Column 2",
        "answer_type": "mcq",
        "choices": [
          "Row 1, Column 2",
          "Row 1, Column 3",
          "Row 1, Column 1",
          "Row 3, Column 2"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0029_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0029_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter F tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 1, Column 2\n(B) Row 1, Column 3\n(C) Row 3, Column 2\n(D) Row 2, Column 2",
        "answer_type": "mcq",
        "choices": [
          "Row 1, Column 2",
          "Row 1, Column 3",
          "Row 3, Column 2",
          "Row 2, Column 2"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0030_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0030_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter D tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 2\n(B) Row 3, Column 1\n(C) Row 1, Column 1\n(D) Row 2, Column 1",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 2",
          "Row 3, Column 1",
          "Row 1, Column 1",
          "Row 2, Column 1"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0031_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0031_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter H tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 3, Column 3\n(B) Row 1, Column 3\n(C) Row 3, Column 2\n(D) Row 3, Column 1",
        "answer_type": "mcq",
        "choices": [
          "Row 3, Column 3",
          "Row 1, Column 3",
          "Row 3, Column 2",
          "Row 3, Column 1"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0032_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0032_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter H tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 3\n(B) Row 2, Column 2\n(C) Row 1, Column 3\n(D) Row 3, Column 3",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 3",
          "Row 2, Column 2",
          "Row 1, Column 3",
          "Row 3, Column 3"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0033_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0033_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter F tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 1, Column 2\n(B) Row 1, Column 1\n(C) Row 1, Column 3\n(D) Row 2, Column 2",
        "answer_type": "mcq",
        "choices": [
          "Row 1, Column 2",
          "Row 1, Column 1",
          "Row 1, Column 3",
          "Row 2, Column 2"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0034_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0034_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter D tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 1, Column 1\n(B) Row 2, Column 1\n(C) Row 2, Column 3\n(D) Row 2, Column 2",
        "answer_type": "mcq",
        "choices": [
          "Row 1, Column 1",
          "Row 2, Column 1",
          "Row 2, Column 3",
          "Row 2, Column 2"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0035_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0035_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter G tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 1, Column 2\n(B) Row 3, Column 1\n(C) Row 2, Column 2\n(D) Row 3, Column 2",
        "answer_type": "mcq",
        "choices": [
          "Row 1, Column 2",
          "Row 3, Column 1",
          "Row 2, Column 2",
          "Row 3, Column 2"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0036_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0036_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter B tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 2\n(B) Row 1, Column 3\n(C) Row 1, Column 2\n(D) Row 3, Column 2",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 2",
          "Row 1, Column 3",
          "Row 1, Column 2",
          "Row 3, Column 2"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0037_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0037_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter H tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 2\n(B) Row 3, Column 2\n(C) Row 3, Column 1\n(D) Row 1, Column 2",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 2",
          "Row 3, Column 2",
          "Row 3, Column 1",
          "Row 1, Column 2"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0038_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0038_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter A tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 3, Column 2\n(B) Row 1, Column 1\n(C) Row 1, Column 3\n(D) Row 1, Column 2",
        "answer_type": "mcq",
        "choices": [
          "Row 3, Column 2",
          "Row 1, Column 1",
          "Row 1, Column 3",
          "Row 1, Column 2"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0039_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0039_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter D tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 2\n(B) Row 1, Column 2\n(C) Row 1, Column 1\n(D) Row 1, Column 3",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 2",
          "Row 1, Column 2",
          "Row 1, Column 1",
          "Row 1, Column 3"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0040_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0040_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter E tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 1, Column 2\n(B) Row 2, Column 1\n(C) Row 2, Column 3\n(D) Row 2, Column 2",
        "answer_type": "mcq",
        "choices": [
          "Row 1, Column 2",
          "Row 2, Column 1",
          "Row 2, Column 3",
          "Row 2, Column 2"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0041_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0041_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter A tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 3, Column 1\n(B) Row 2, Column 2\n(C) Row 1, Column 1\n(D) Row 2, Column 1",
        "answer_type": "mcq",
        "choices": [
          "Row 3, Column 1",
          "Row 2, Column 2",
          "Row 1, Column 1",
          "Row 2, Column 1"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0042_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0042_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter H tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 3, Column 2\n(B) Row 3, Column 1\n(C) Row 1, Column 3\n(D) Row 3, Column 3",
        "answer_type": "mcq",
        "choices": [
          "Row 3, Column 2",
          "Row 3, Column 1",
          "Row 1, Column 3",
          "Row 3, Column 3"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0043_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0043_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter B tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 3\n(B) Row 3, Column 3\n(C) Row 1, Column 3\n(D) Row 2, Column 1",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 3",
          "Row 3, Column 3",
          "Row 1, Column 3",
          "Row 2, Column 1"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0044_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0044_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter E tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 2\n(B) Row 2, Column 3\n(C) Row 3, Column 3\n(D) Row 1, Column 3",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 2",
          "Row 2, Column 3",
          "Row 3, Column 3",
          "Row 1, Column 3"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0045_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0045_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter E tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 1\n(B) Row 3, Column 1\n(C) Row 1, Column 2\n(D) Row 1, Column 1",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 1",
          "Row 3, Column 1",
          "Row 1, Column 2",
          "Row 1, Column 1"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0046_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0046_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter H tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 3\n(B) Row 3, Column 3\n(C) Row 3, Column 1\n(D) Row 1, Column 3",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 3",
          "Row 3, Column 3",
          "Row 3, Column 1",
          "Row 1, Column 3"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0047_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0047_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter C tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 1, Column 2\n(B) Row 1, Column 3\n(C) Row 2, Column 2\n(D) Row 3, Column 2",
        "answer_type": "mcq",
        "choices": [
          "Row 1, Column 2",
          "Row 1, Column 3",
          "Row 2, Column 2",
          "Row 3, Column 2"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0048_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0048_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter F tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 2\n(B) Row 3, Column 2\n(C) Row 1, Column 2\n(D) Row 2, Column 1",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 2",
          "Row 3, Column 2",
          "Row 1, Column 2",
          "Row 2, Column 1"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0049_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0049_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter A tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 3, Column 2\n(B) Row 2, Column 2\n(C) Row 3, Column 3\n(D) Row 1, Column 2",
        "answer_type": "mcq",
        "choices": [
          "Row 3, Column 2",
          "Row 2, Column 2",
          "Row 3, Column 3",
          "Row 1, Column 2"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0050_pt1",
        "video_path": "videos/synthetic/shuffle_puzzle/0050_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "shuffle_puzzle",
        "question": "Where is the letter F tile located on the 3x3 board? Please answer in 'Row x, Column y' format, where x and y start from 1 (x=1, y=1 is the top-left corner).\n\n(A) Row 2, Column 3\n(B) Row 2, Column 2\n(C) Row 2, Column 1\n(D) Row 1, Column 1",
        "answer_type": "mcq",
        "choices": [
          "Row 2, Column 3",
          "Row 2, Column 2",
          "Row 2, Column 1",
          "Row 1, Column 1"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      }
    ],
    "soccer": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/youtube/soccer/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "soccer",
        "question": "How many goals are scored in the video?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=XgtnslkITmg",
        "youtube_id": "XgtnslkITmg",
        "youtube_title": "Real Madrid  INTENSE 1v1 2v2 Attacking & Defending Soccer Training | Small Sided Game",
        "start_time": "00:00:06",
        "end_time": "00:00:36",
        "start_sec": 6,
        "end_sec": 36,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt2",
        "video_path": "videos/youtube/soccer/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "soccer",
        "question": "How many goals are made in the video?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=XgtnslkITmg",
        "youtube_id": "XgtnslkITmg",
        "youtube_title": "Real Madrid  INTENSE 1v1 2v2 Attacking & Defending Soccer Training | Small Sided Game",
        "start_time": "00:01:00.700",
        "end_time": "00:01:31",
        "start_sec": null,
        "end_sec": 91,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt3",
        "video_path": "videos/youtube/soccer/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "soccer",
        "question": "How many passes are made in the video?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=XgtnslkITmg",
        "youtube_id": "XgtnslkITmg",
        "youtube_title": "Real Madrid  INTENSE 1v1 2v2 Attacking & Defending Soccer Training | Small Sided Game",
        "start_time": "00:01:42",
        "end_time": "00:01:50",
        "start_sec": 102,
        "end_sec": 110,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt4",
        "video_path": "videos/youtube/soccer/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "soccer",
        "question": "How many passes are made in the video?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=XgtnslkITmg",
        "youtube_id": "XgtnslkITmg",
        "youtube_title": "Real Madrid  INTENSE 1v1 2v2 Attacking & Defending Soccer Training | Small Sided Game",
        "start_time": "00:01:50.700",
        "end_time": "00:02:06.500",
        "start_sec": 110.7,
        "end_sec": 126.5,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt5",
        "video_path": "videos/youtube/soccer/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "soccer",
        "question": "How many passes are made in the video?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=XgtnslkITmg",
        "youtube_id": "XgtnslkITmg",
        "youtube_title": "Real Madrid  INTENSE 1v1 2v2 Attacking & Defending Soccer Training | Small Sided Game",
        "start_time": "00:02:07",
        "end_time": "00:02:31",
        "start_sec": 127,
        "end_sec": 151,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt6",
        "video_path": "videos/youtube/soccer/0001_pt6.mp4",
        "video_source": "youtube",
        "source_task": "soccer",
        "question": "How many passes are made in the video?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=XgtnslkITmg",
        "youtube_id": "XgtnslkITmg",
        "youtube_title": "Real Madrid  INTENSE 1v1 2v2 Attacking & Defending Soccer Training | Small Sided Game",
        "start_time": "00:02:31",
        "end_time": "00:02:50",
        "start_sec": 151,
        "end_sec": 170,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q0",
        "video_path": "videos/youtube/soccer/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "soccer",
        "question": "How many times does the recording player get possession of the ball?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=sTMfO9Wz8bw",
        "youtube_id": "sTMfO9Wz8bw",
        "youtube_title": "High Level match with Korean Pro football players",
        "start_time": "00:01:05",
        "end_time": "00:01:25",
        "start_sec": 65,
        "end_sec": 85,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q1",
        "video_path": "videos/youtube/soccer/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "soccer",
        "question": "How many successful passes are made by the recording player's team by the end of the video in total?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution",
          "camera_motion"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=sTMfO9Wz8bw",
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        "question": "How many passes does all players make in total?",
        "answer_type": "numeric",
        "answer": 11,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=O4LmZHYpeME",
        "youtube_id": "O4LmZHYpeME",
        "youtube_title": "Striker Training Session | Movement & Finishing Training For Center Forwards",
        "start_time": "00:04:44",
        "end_time": "00:05:22",
        "start_sec": 284,
        "end_sec": 322,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt4_q0",
        "video_path": "videos/youtube/soccer/0003_pt4.mp4",
        "video_source": "youtube",
        "source_task": "soccer",
        "question": "How many passes does the black-shirt player make in total?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=O4LmZHYpeME",
        "youtube_id": "O4LmZHYpeME",
        "youtube_title": "Striker Training Session | Movement & Finishing Training For Center Forwards",
        "start_time": "00:06:00",
        "end_time": "00:06:38",
        "start_sec": 360,
        "end_sec": 398,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt4_q1",
        "video_path": "videos/youtube/soccer/0003_pt4.mp4",
        "video_source": "youtube",
        "source_task": "soccer",
        "question": "How many successful goals does the black-shirt player make in total?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=O4LmZHYpeME",
        "youtube_id": "O4LmZHYpeME",
        "youtube_title": "Striker Training Session | Movement & Finishing Training For Center Forwards",
        "start_time": "00:06:00",
        "end_time": "00:06:38",
        "start_sec": 360,
        "end_sec": 398,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt4_q2",
        "video_path": "videos/youtube/soccer/0003_pt4.mp4",
        "video_source": "youtube",
        "source_task": "soccer",
        "question": "What's the success goal rate out of the total goal attempts to the gate? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 100,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=O4LmZHYpeME",
        "youtube_id": "O4LmZHYpeME",
        "youtube_title": "Striker Training Session | Movement & Finishing Training For Center Forwards",
        "start_time": "00:06:00",
        "end_time": "00:06:38",
        "start_sec": 360,
        "end_sec": 398,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt5_q0",
        "video_path": "videos/youtube/soccer/0003_pt5.mp4",
        "video_source": "youtube",
        "source_task": "soccer",
        "question": "How many successful goal does the player make to the gate?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=O4LmZHYpeME",
        "youtube_id": "O4LmZHYpeME",
        "youtube_title": "Striker Training Session | Movement & Finishing Training For Center Forwards",
        "start_time": "00:07:05",
        "end_time": "00:07:56",
        "start_sec": 425,
        "end_sec": 476,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt5_q1",
        "video_path": "videos/youtube/soccer/0003_pt5.mp4",
        "video_source": "youtube",
        "source_task": "soccer",
        "question": "What's the success goal rate out of the total goal attempts to the gate? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 100,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=O4LmZHYpeME",
        "youtube_id": "O4LmZHYpeME",
        "youtube_title": "Striker Training Session | Movement & Finishing Training For Center Forwards",
        "start_time": "00:07:05",
        "end_time": "00:07:56",
        "start_sec": 425,
        "end_sec": 476,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt6_q0",
        "video_path": "videos/youtube/soccer/0003_pt6.mp4",
        "video_source": "youtube",
        "source_task": "soccer",
        "question": "How many successful goal does the player make to the gate?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=O4LmZHYpeME",
        "youtube_id": "O4LmZHYpeME",
        "youtube_title": "Striker Training Session | Movement & Finishing Training For Center Forwards",
        "start_time": "00:08:00",
        "end_time": "00:08:32",
        "start_sec": 480,
        "end_sec": 512,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt6_q1",
        "video_path": "videos/youtube/soccer/0003_pt6.mp4",
        "video_source": "youtube",
        "source_task": "soccer",
        "question": "What's the success goal rate out of the total goal attempts to gate? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 67,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=O4LmZHYpeME",
        "youtube_id": "O4LmZHYpeME",
        "youtube_title": "Striker Training Session | Movement & Finishing Training For Center Forwards",
        "start_time": "00:08:00",
        "end_time": "00:08:32",
        "start_sec": 480,
        "end_sec": 512,
        "choices": [],
        "answer_index": null
      }
    ],
    "sokoban": [
      {
        "video_id": "0001_pt1_q0",
        "video_path": "videos/youtube/sokoban/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "sokoban",
        "question": "How many total box pushes occur during this clip?",
        "answer_type": "numeric",
        "answer": 8,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=qf50IDCAFkU",
        "youtube_id": "qf50IDCAFkU",
        "youtube_title": "sokoban level 15 solution",
        "start_time": "00:00:00",
        "end_time": "00:00:23.01",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt2_q2",
        "video_path": "videos/youtube/sokoban/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "sokoban",
        "question": "The blue balls are target destinations. At the first frame of the clip, index the three white cross-marked boxes by reading each row from left to right, then moving from the top row to the bottom row (indexing starts from 1). Which indexed box first reaches a blue target destination during this clip?\n\n(A) box 3\n(B) box 1\n(C) box 2",
        "answer_type": "mcq",
        "choices": [
          "box 3",
          "box 1",
          "box 2"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=qf50IDCAFkU",
        "youtube_id": "qf50IDCAFkU",
        "youtube_title": "sokoban level 15 solution",
        "start_time": "00:00:23",
        "end_time": "00:00:43.8",
        "start_sec": 23,
        "end_sec": null
      },
      {
        "video_id": "0001_pt2_q4",
        "video_path": "videos/youtube/sokoban/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "sokoban",
        "question": "The blue balls are target destinations. At the first frame of the clip, index the three white cross-marked boxes by reading each row from left to right, then moving from the top row to the bottom row (indexing starts from 1). Which indexed box is not on a blue target destination at the end of this clip?\n\n(A) box 3\n(B) box 1\n(C) box 2",
        "answer_type": "mcq",
        "choices": [
          "box 3",
          "box 1",
          "box 2"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=qf50IDCAFkU",
        "youtube_id": "qf50IDCAFkU",
        "youtube_title": "sokoban level 15 solution",
        "start_time": "00:00:23",
        "end_time": "00:00:43.8",
        "start_sec": 23,
        "end_sec": null
      },
      {
        "video_id": "0002_pt1_q0",
        "video_path": "videos/youtube/sokoban/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "sokoban",
        "question": "How many total box pushes occur during this clip?",
        "answer_type": "numeric",
        "answer": 11,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=WBLuNtq84ps",
        "youtube_id": "WBLuNtq84ps",
        "youtube_title": "Sokoban solution level 15",
        "start_time": "00:00:00",
        "end_time": "00:01:01.485",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q1",
        "video_path": "videos/youtube/sokoban/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "sokoban",
        "question": "At the first frame of the clip, index the six boxes by reading each row from left to right, then moving from the top row to the bottom row (indexing starts from 1). How many times is box 1 pushed during this clip?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=WBLuNtq84ps",
        "youtube_id": "WBLuNtq84ps",
        "youtube_title": "Sokoban solution level 15",
        "start_time": "00:00:00",
        "end_time": "00:01:01.485",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q2",
        "video_path": "videos/youtube/sokoban/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "sokoban",
        "question": "At the first frame of the clip, index the six boxes by reading each row from left to right, then moving from the top row to the bottom row (indexing starts from 1). How many times is box 3 pushed during this clip?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=WBLuNtq84ps",
        "youtube_id": "WBLuNtq84ps",
        "youtube_title": "Sokoban solution level 15",
        "start_time": "00:00:00",
        "end_time": "00:01:01.485",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q3",
        "video_path": "videos/youtube/sokoban/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "sokoban",
        "question": "At the first frame of the clip, index the six boxes by reading each row from left to right, then moving from the top row to the bottom row (indexing starts from 1). Which indexed box is pushed most often during this clip?\n\n(A) box 1\n(B) box 4\n(C) box 5\n(D) box 2",
        "answer_type": "mcq",
        "choices": [
          "box 1",
          "box 4",
          "box 5",
          "box 2"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=WBLuNtq84ps",
        "youtube_id": "WBLuNtq84ps",
        "youtube_title": "Sokoban solution level 15",
        "start_time": "00:00:00",
        "end_time": "00:01:01.485",
        "start_sec": 0,
        "end_sec": null
      },
      {
        "video_id": "0002_pt1_q4",
        "video_path": "videos/youtube/sokoban/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "sokoban",
        "question": "At the first frame of the clip, index the six boxes by reading each row from left to right, then moving from the top row to the bottom row (indexing starts from 1). The green circular markers are target destinations. At the end of this clip, which indexed box is on the leftmost occupied green target marker?\n\n(A) box 5\n(B) box 6\n(C) box 3\n(D) box 1",
        "answer_type": "mcq",
        "choices": [
          "box 5",
          "box 6",
          "box 3",
          "box 1"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=WBLuNtq84ps",
        "youtube_id": "WBLuNtq84ps",
        "youtube_title": "Sokoban solution level 15",
        "start_time": "00:00:00",
        "end_time": "00:01:01.485",
        "start_sec": 0,
        "end_sec": null
      },
      {
        "video_id": "0002_pt2_q0",
        "video_path": "videos/youtube/sokoban/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "sokoban",
        "question": "At the first frame of the clip, index the six boxes by reading each row from left to right, then moving from the top row to the bottom row (indexing starts from 1). How many total box pushes occur during this clip?",
        "answer_type": "numeric",
        "answer": 13,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=WBLuNtq84ps",
        "youtube_id": "WBLuNtq84ps",
        "youtube_title": "Sokoban solution level 15",
        "start_time": "00:01:01.485",
        "end_time": "00:02:02.97",
        "start_sec": null,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt2_q1",
        "video_path": "videos/youtube/sokoban/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "sokoban",
        "question": "At the first frame of the clip, index the six boxes by reading each row from left to right, then moving from the top row to the bottom row (indexing starts from 1). How many times is box 1 pushed during this clip?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=WBLuNtq84ps",
        "youtube_id": "WBLuNtq84ps",
        "youtube_title": "Sokoban solution level 15",
        "start_time": "00:01:01.485",
        "end_time": "00:02:02.97",
        "start_sec": null,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt2_q2",
        "video_path": "videos/youtube/sokoban/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "sokoban",
        "question": "At the first frame of the clip, index the six boxes by reading each row from left to right, then moving from the top row to the bottom row (indexing starts from 1). How many times is box 4 pushed during this clip?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=WBLuNtq84ps",
        "youtube_id": "WBLuNtq84ps",
        "youtube_title": "Sokoban solution level 15",
        "start_time": "00:01:01.485",
        "end_time": "00:02:02.97",
        "start_sec": null,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt2_q3",
        "video_path": "videos/youtube/sokoban/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "sokoban",
        "question": "At the first frame of the clip, index the six boxes by reading each row from left to right, then moving from the top row to the bottom row (indexing starts from 1). How many times is box 5 pushed during this clip?",
        "answer_type": "numeric",
        "answer": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=WBLuNtq84ps",
        "youtube_id": "WBLuNtq84ps",
        "youtube_title": "Sokoban solution level 15",
        "start_time": "00:01:01.485",
        "end_time": "00:02:02.97",
        "start_sec": null,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt2_q4",
        "video_path": "videos/youtube/sokoban/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "sokoban",
        "question": "At the first frame of the clip, index the six boxes by reading each row from left to right, then moving from the top row to the bottom row (indexing starts from 1). Which indexed box is never pushed during this clip?\n\n(A) box 5\n(B) box 4\n(C) box 6\n(D) box 1",
        "answer_type": "mcq",
        "choices": [
          "box 5",
          "box 4",
          "box 6",
          "box 1"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "count",
        "state_structure": "set",
        "youtube_url": "https://www.youtube.com/watch?v=WBLuNtq84ps",
        "youtube_id": "WBLuNtq84ps",
        "youtube_title": "Sokoban solution level 15",
        "start_time": "00:01:01.485",
        "end_time": "00:02:02.97",
        "start_sec": null,
        "end_sec": null
      },
      {
        "video_id": "0002_pt2_q5",
        "video_path": "videos/youtube/sokoban/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "sokoban",
        "question": "The green circular markers are the target destinations. At the first frame of the clip, index the six boxes by reading each row from left to right, then moving from the top row to the bottom row (indexing starts from 1). Which indexed box ends on the leftmost green target marker when the level is completed?\n\n(A) box 5\n(B) box 3\n(C) box 4\n(D) box 6",
        "answer_type": "mcq",
        "choices": [
          "box 5",
          "box 3",
          "box 4",
          "box 6"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=WBLuNtq84ps",
        "youtube_id": "WBLuNtq84ps",
        "youtube_title": "Sokoban solution level 15",
        "start_time": "00:01:01.485",
        "end_time": "00:02:02.97",
        "start_sec": null,
        "end_sec": null
      },
      {
        "video_id": "0002_pt2_q6",
        "video_path": "videos/youtube/sokoban/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "sokoban",
        "question": "The green circular markers are the target destinations. At the first frame of the clip, index the six boxes by reading each row from left to right, then moving from the top row to the bottom row (indexing starts from 1). Which indexed box ends on the rightmost green target marker when the level is completed?\n\n(A) box 5\n(B) box 3\n(C) box 4\n(D) box 2",
        "answer_type": "mcq",
        "choices": [
          "box 5",
          "box 3",
          "box 4",
          "box 2"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=WBLuNtq84ps",
        "youtube_id": "WBLuNtq84ps",
        "youtube_title": "Sokoban solution level 15",
        "start_time": "00:01:01.485",
        "end_time": "00:02:02.97",
        "start_sec": null,
        "end_sec": null
      },
      {
        "video_id": "0002_pt2_q7",
        "video_path": "videos/youtube/sokoban/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "sokoban",
        "question": "At the first frame of the clip, index the six boxes by reading each row from left to right, then moving from the top row to the bottom row (indexing starts from 1). Which indexed box is pushed last before the level is completed?\n\n(A) box 3\n(B) box 4\n(C) box 2\n(D) box 5",
        "answer_type": "mcq",
        "choices": [
          "box 3",
          "box 4",
          "box 2",
          "box 5"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=WBLuNtq84ps",
        "youtube_id": "WBLuNtq84ps",
        "youtube_title": "Sokoban solution level 15",
        "start_time": "00:01:01.485",
        "end_time": "00:02:02.97",
        "start_sec": null,
        "end_sec": null
      },
      {
        "video_id": "0002_pt2_q8",
        "video_path": "videos/youtube/sokoban/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "sokoban",
        "question": "At the first frame of the clip, index the six boxes by reading each row from left to right, then moving from the top row to the bottom row (indexing starts from 1). Which indexed box is pushed last before the level is completed?\n\n(A) box 5\n(B) box 2\n(C) box 4\n(D) box 1",
        "answer_type": "mcq",
        "choices": [
          "box 5",
          "box 2",
          "box 4",
          "box 1"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "homogeneity"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=WBLuNtq84ps",
        "youtube_id": "WBLuNtq84ps",
        "youtube_title": "Sokoban solution level 15",
        "start_time": "00:01:01.485",
        "end_time": "00:02:02.97",
        "start_sec": null,
        "end_sec": null
      }
    ],
    "table_tennis": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/youtube/table_tennis/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many times did the ball hit the table?",
        "answer_type": "numeric",
        "answer": 9,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=dqgupXx-P5I",
        "youtube_id": "dqgupXx-P5I",
        "youtube_title": "Csaba Andras vs Ivor Ban | MS Final | WTT Feeder Cappadocia II 2026",
        "start_time": "00:00:00",
        "end_time": "00:00:09",
        "start_sec": 0,
        "end_sec": 9,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt10",
        "video_path": "videos/youtube/table_tennis/0001_pt10.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many times did the player on the left side hit the ball?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=dqgupXx-P5I",
        "youtube_id": "dqgupXx-P5I",
        "youtube_title": "Csaba Andras vs Ivor Ban | MS Final | WTT Feeder Cappadocia II 2026",
        "start_time": "00:01:15",
        "end_time": "00:01:20",
        "start_sec": 75,
        "end_sec": 80,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt2",
        "video_path": "videos/youtube/table_tennis/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "Which side won the round, the left side or the right side?\n\n(A) right side\n(B) left side",
        "answer_type": "mcq",
        "choices": [
          "right side",
          "left side"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=dqgupXx-P5I",
        "youtube_id": "dqgupXx-P5I",
        "youtube_title": "Csaba Andras vs Ivor Ban | MS Final | WTT Feeder Cappadocia II 2026",
        "start_time": "00:00:11",
        "end_time": "00:00:15",
        "start_sec": 11,
        "end_sec": 15
      },
      {
        "video_id": "0001_pt3",
        "video_path": "videos/youtube/table_tennis/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many time did the player on the left side hit the ball in this match?",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=dqgupXx-P5I",
        "youtube_id": "dqgupXx-P5I",
        "youtube_title": "Csaba Andras vs Ivor Ban | MS Final | WTT Feeder Cappadocia II 2026",
        "start_time": "00:00:17",
        "end_time": "00:00:27",
        "start_sec": 17,
        "end_sec": 27,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt4",
        "video_path": "videos/youtube/table_tennis/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "Which side served, the left side or the right side?\n\n(A) right side\n(B) left side",
        "answer_type": "mcq",
        "choices": [
          "right side",
          "left side"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=dqgupXx-P5I",
        "youtube_id": "dqgupXx-P5I",
        "youtube_title": "Csaba Andras vs Ivor Ban | MS Final | WTT Feeder Cappadocia II 2026",
        "start_time": "00:00:29",
        "end_time": "00:00:34",
        "start_sec": 29,
        "end_sec": 34
      },
      {
        "video_id": "0001_pt5",
        "video_path": "videos/youtube/table_tennis/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many times did the ball hit the table?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=dqgupXx-P5I",
        "youtube_id": "dqgupXx-P5I",
        "youtube_title": "Csaba Andras vs Ivor Ban | MS Final | WTT Feeder Cappadocia II 2026",
        "start_time": "00:00:36",
        "end_time": "00:00:40",
        "start_sec": 36,
        "end_sec": 40,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt6",
        "video_path": "videos/youtube/table_tennis/0001_pt6.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many times did the ball hit the net?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=dqgupXx-P5I",
        "youtube_id": "dqgupXx-P5I",
        "youtube_title": "Csaba Andras vs Ivor Ban | MS Final | WTT Feeder Cappadocia II 2026",
        "start_time": "00:00:41",
        "end_time": "00:00:49",
        "start_sec": 41,
        "end_sec": 49,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt7",
        "video_path": "videos/youtube/table_tennis/0001_pt7.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many times in total did any of the players hit the ball?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=dqgupXx-P5I",
        "youtube_id": "dqgupXx-P5I",
        "youtube_title": "Csaba Andras vs Ivor Ban | MS Final | WTT Feeder Cappadocia II 2026",
        "start_time": "00:00:51",
        "end_time": "00:00:56",
        "start_sec": 51,
        "end_sec": 56,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt8",
        "video_path": "videos/youtube/table_tennis/0001_pt8.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many times did the player on the right side hit the ball?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=dqgupXx-P5I",
        "youtube_id": "dqgupXx-P5I",
        "youtube_title": "Csaba Andras vs Ivor Ban | MS Final | WTT Feeder Cappadocia II 2026",
        "start_time": "00:00:57",
        "end_time": "00:01:04",
        "start_sec": 57,
        "end_sec": 64,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt9",
        "video_path": "videos/youtube/table_tennis/0001_pt9.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many times did the player on the left side hit the ball until before he missed it?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=dqgupXx-P5I",
        "youtube_id": "dqgupXx-P5I",
        "youtube_title": "Csaba Andras vs Ivor Ban | MS Final | WTT Feeder Cappadocia II 2026",
        "start_time": "00:01:06",
        "end_time": "00:01:13",
        "start_sec": 66,
        "end_sec": 73,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/youtube/table_tennis/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many times did any of the players hit the ball?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=t_zHJw-d7aw",
        "youtube_id": "t_zHJw-d7aw",
        "youtube_title": "Li/Yao vs Meissner/Lee | XD R16 | #WTTTaiyuan 2026",
        "start_time": "00:00:00",
        "end_time": "00:00:05",
        "start_sec": 0,
        "end_sec": 5,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt10",
        "video_path": "videos/youtube/table_tennis/0002_pt10.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many times did the players on the near side to the camera hit the ball in total?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=t_zHJw-d7aw",
        "youtube_id": "t_zHJw-d7aw",
        "youtube_title": "Li/Yao vs Meissner/Lee | XD R16 | #WTTTaiyuan 2026",
        "start_time": "00:01:35",
        "end_time": "00:01:40",
        "start_sec": 95,
        "end_sec": 100,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt2",
        "video_path": "videos/youtube/table_tennis/0002_pt2.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many times did the female player on the far side hit the ball?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=t_zHJw-d7aw",
        "youtube_id": "t_zHJw-d7aw",
        "youtube_title": "Li/Yao vs Meissner/Lee | XD R16 | #WTTTaiyuan 2026",
        "start_time": "00:00:07",
        "end_time": "00:00:12",
        "start_sec": 7,
        "end_sec": 12,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt3",
        "video_path": "videos/youtube/table_tennis/0002_pt3.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many times did the male player on the far side hit the ball?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=t_zHJw-d7aw",
        "youtube_id": "t_zHJw-d7aw",
        "youtube_title": "Li/Yao vs Meissner/Lee | XD R16 | #WTTTaiyuan 2026",
        "start_time": "00:00:14",
        "end_time": "00:00:18",
        "start_sec": 14,
        "end_sec": 18,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt4",
        "video_path": "videos/youtube/table_tennis/0002_pt4.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many times did the female player on the near side to the camera hit the ball?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=t_zHJw-d7aw",
        "youtube_id": "t_zHJw-d7aw",
        "youtube_title": "Li/Yao vs Meissner/Lee | XD R16 | #WTTTaiyuan 2026",
        "start_time": "00:00:21",
        "end_time": "00:00:24",
        "start_sec": 21,
        "end_sec": 24,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt5",
        "video_path": "videos/youtube/table_tennis/0002_pt5.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many times did the male player on the near side to the camera hit the ball?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=t_zHJw-d7aw",
        "youtube_id": "t_zHJw-d7aw",
        "youtube_title": "Li/Yao vs Meissner/Lee | XD R16 | #WTTTaiyuan 2026",
        "start_time": "00:01:02",
        "end_time": "00:01:06",
        "start_sec": 62,
        "end_sec": 66,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt6",
        "video_path": "videos/youtube/table_tennis/0002_pt6.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many times did the ball hit the table?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=t_zHJw-d7aw",
        "youtube_id": "t_zHJw-d7aw",
        "youtube_title": "Li/Yao vs Meissner/Lee | XD R16 | #WTTTaiyuan 2026",
        "start_time": "00:01:08",
        "end_time": "00:01:12",
        "start_sec": 68,
        "end_sec": 72,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt7",
        "video_path": "videos/youtube/table_tennis/0002_pt7.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "Which player hit the ball into the net, male player or the female player of which side (on the near side to the camera or on the far side)?\n\n(A) male player on the near side\n(B) male player on the far side\n(C) female player on the near side\n(D) female player on the far side",
        "answer_type": "mcq",
        "choices": [
          "male player on the near side",
          "male player on the far side",
          "female player on the near side",
          "female player on the far side"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=t_zHJw-d7aw",
        "youtube_id": "t_zHJw-d7aw",
        "youtube_title": "Li/Yao vs Meissner/Lee | XD R16 | #WTTTaiyuan 2026",
        "start_time": "00:01:16",
        "end_time": "00:01:19",
        "start_sec": 76,
        "end_sec": 79
      },
      {
        "video_id": "0002_pt8",
        "video_path": "videos/youtube/table_tennis/0002_pt8.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many times did any of the players hit the ball?",
        "answer_type": "numeric",
        "answer": 10,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=t_zHJw-d7aw",
        "youtube_id": "t_zHJw-d7aw",
        "youtube_title": "Li/Yao vs Meissner/Lee | XD R16 | #WTTTaiyuan 2026",
        "start_time": "00:01:22",
        "end_time": "00:01:28",
        "start_sec": 82,
        "end_sec": 88,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt9",
        "video_path": "videos/youtube/table_tennis/0002_pt9.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many times did the players on the far side hit the ball in total?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=t_zHJw-d7aw",
        "youtube_id": "t_zHJw-d7aw",
        "youtube_title": "Li/Yao vs Meissner/Lee | XD R16 | #WTTTaiyuan 2026",
        "start_time": "00:01:30",
        "end_time": "00:01:34.100",
        "start_sec": 90,
        "end_sec": 94.1,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/youtube/table_tennis/0003_pt1.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many times did any of the players hit the ball in total?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=SA5G0Bf_Kh8",
        "youtube_id": "SA5G0Bf_Kh8",
        "youtube_title": "Wong Qi Shen vs Yuhi Sakai | MS R32 | #WTTTaiyuan 2026",
        "start_time": "00:00:00",
        "end_time": "00:00:05",
        "start_sec": 0,
        "end_sec": 5,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt10",
        "video_path": "videos/youtube/table_tennis/0003_pt10.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many times did the ball hit the table?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=SA5G0Bf_Kh8",
        "youtube_id": "SA5G0Bf_Kh8",
        "youtube_title": "Wong Qi Shen vs Yuhi Sakai | MS R32 | #WTTTaiyuan 2026",
        "start_time": "00:01:57",
        "end_time": "00:02:00",
        "start_sec": 117,
        "end_sec": 120,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt2",
        "video_path": "videos/youtube/table_tennis/0003_pt2.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "Which player hit the ball into the net, the player in the green uniform or the player in the blue uniform?\n\n(A) the player in the green uniform\n(B) the player in the blue uniform",
        "answer_type": "mcq",
        "choices": [
          "the player in the green uniform",
          "the player in the blue uniform"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
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          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=SA5G0Bf_Kh8",
        "youtube_id": "SA5G0Bf_Kh8",
        "youtube_title": "Wong Qi Shen vs Yuhi Sakai | MS R32 | #WTTTaiyuan 2026",
        "start_time": "00:00:07",
        "end_time": "00:00:10",
        "start_sec": 7,
        "end_sec": 10
      },
      {
        "video_id": "0003_pt3",
        "video_path": "videos/youtube/table_tennis/0003_pt3.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "Which player served, the player in the green uniform or the player in the blue uniform?\n\n(A) the player in the green uniform\n(B) the player in the blue uniform",
        "answer_type": "mcq",
        "choices": [
          "the player in the green uniform",
          "the player in the blue uniform"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=SA5G0Bf_Kh8",
        "youtube_id": "SA5G0Bf_Kh8",
        "youtube_title": "Wong Qi Shen vs Yuhi Sakai | MS R32 | #WTTTaiyuan 2026",
        "start_time": "00:00:12",
        "end_time": "00:00:16",
        "start_sec": 12,
        "end_sec": 16
      },
      {
        "video_id": "0003_pt4",
        "video_path": "videos/youtube/table_tennis/0003_pt4.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many time the player in the green uniform hit the ball?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=SA5G0Bf_Kh8",
        "youtube_id": "SA5G0Bf_Kh8",
        "youtube_title": "Wong Qi Shen vs Yuhi Sakai | MS R32 | #WTTTaiyuan 2026",
        "start_time": "00:00:18",
        "end_time": "00:00:25",
        "start_sec": 18,
        "end_sec": 25,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt5",
        "video_path": "videos/youtube/table_tennis/0003_pt5.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many time the player in the blue uniform hit the ball?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=SA5G0Bf_Kh8",
        "youtube_id": "SA5G0Bf_Kh8",
        "youtube_title": "Wong Qi Shen vs Yuhi Sakai | MS R32 | #WTTTaiyuan 2026",
        "start_time": "00:00:32",
        "end_time": "00:00:37",
        "start_sec": 32,
        "end_sec": 37,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt6",
        "video_path": "videos/youtube/table_tennis/0003_pt6.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many times did the ball hit the table?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=SA5G0Bf_Kh8",
        "youtube_id": "SA5G0Bf_Kh8",
        "youtube_title": "Wong Qi Shen vs Yuhi Sakai | MS R32 | #WTTTaiyuan 2026",
        "start_time": "00:00:39",
        "end_time": "00:00:47",
        "start_sec": 39,
        "end_sec": 47,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt7",
        "video_path": "videos/youtube/table_tennis/0003_pt7.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "Which player won the round, the player in the blue uniform or the player in the green uniform?\n\n(A) the player in the green uniform\n(B) the player in the blue uniform",
        "answer_type": "mcq",
        "choices": [
          "the player in the green uniform",
          "the player in the blue uniform"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=SA5G0Bf_Kh8",
        "youtube_id": "SA5G0Bf_Kh8",
        "youtube_title": "Wong Qi Shen vs Yuhi Sakai | MS R32 | #WTTTaiyuan 2026",
        "start_time": "00:00:49",
        "end_time": "00:00:54",
        "start_sec": 49,
        "end_sec": 54
      },
      {
        "video_id": "0003_pt8",
        "video_path": "videos/youtube/table_tennis/0003_pt8.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "Which player won the round, the player in the green uniform or the player in the blue uniform?\n\n(A) the player in the green uniform\n(B) the player in the blue uniform",
        "answer_type": "mcq",
        "choices": [
          "the player in the green uniform",
          "the player in the blue uniform"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=SA5G0Bf_Kh8",
        "youtube_id": "SA5G0Bf_Kh8",
        "youtube_title": "Wong Qi Shen vs Yuhi Sakai | MS R32 | #WTTTaiyuan 2026",
        "start_time": "00:01:32",
        "end_time": "00:01:39",
        "start_sec": 92,
        "end_sec": 99
      },
      {
        "video_id": "0003_pt9",
        "video_path": "videos/youtube/table_tennis/0003_pt9.mp4",
        "video_source": "youtube",
        "source_task": "table_tennis",
        "question": "How many time did any of the players hit the ball in total excluding the hit that made the ball hit the net?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=SA5G0Bf_Kh8",
        "youtube_id": "SA5G0Bf_Kh8",
        "youtube_title": "Wong Qi Shen vs Yuhi Sakai | MS R32 | #WTTTaiyuan 2026",
        "start_time": "00:01:41",
        "end_time": "00:01:48",
        "start_sec": 101,
        "end_sec": 108,
        "choices": [],
        "answer_index": null
      }
    ],
    "tennis": [
      {
        "video_id": "0001_pt1_q0",
        "video_path": "videos/youtube/tennis/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many total serves occur during the video?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:29.500",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q2",
        "video_path": "videos/youtube/tennis/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt player score?",
        "answer_type": "numeric",
        "answer": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:29.500",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q4",
        "video_path": "videos/youtube/tennis/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt player return the ball?",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:29.500",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q6",
        "video_path": "videos/youtube/tennis/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the blue-shirt player return the ball with backhand?",
        "answer_type": "numeric",
        "answer": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:29.500",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q7",
        "video_path": "videos/youtube/tennis/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "What's the ratio of the blue-shirt player's forehand to total returns? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 100,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:29.500",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q8",
        "video_path": "videos/youtube/tennis/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "What's the ratio of the blue-shirt player's backhand to total returns? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:29.500",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q9",
        "video_path": "videos/youtube/tennis/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt player return the ball with forehand?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:29.500",
        "start_sec": 0,
        "end_sec": null,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt1_q14",
        "video_path": "videos/youtube/tennis/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the first point, where did the ball land on its fourth-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the left service box\n(B) the backcourt\n(C) out of bounds\n(D) the right service box",
        "answer_type": "mcq",
        "choices": [
          "the left service box",
          "the backcourt",
          "out of bounds",
          "the right service box"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:29.500",
        "start_sec": 0,
        "end_sec": null
      },
      {
        "video_id": "0001_pt1_q15",
        "video_path": "videos/youtube/tennis/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second point, where did the ball land on its second-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the left service box\n(B) the right service box\n(C) the backcourt\n(D) out of bounds",
        "answer_type": "mcq",
        "choices": [
          "the left service box",
          "the right service box",
          "the backcourt",
          "out of bounds"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:29.500",
        "start_sec": 0,
        "end_sec": null
      },
      {
        "video_id": "0001_pt1_q16",
        "video_path": "videos/youtube/tennis/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second point, where did the ball land on its fourth-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) out of bounds\n(B) the left service box\n(C) the backcourt\n(D) the right service box",
        "answer_type": "mcq",
        "choices": [
          "out of bounds",
          "the left service box",
          "the backcourt",
          "the right service box"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:29.500",
        "start_sec": 0,
        "end_sec": null
      },
      {
        "video_id": "0001_pt1_q17",
        "video_path": "videos/youtube/tennis/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the backcourt\n(B) the right service box\n(C) the left service box\n(D) out of bounds",
        "answer_type": "mcq",
        "choices": [
          "the backcourt",
          "the right service box",
          "the left service box",
          "out of bounds"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:29.500",
        "start_sec": 0,
        "end_sec": null
      },
      {
        "video_id": "0001_pt1_q18",
        "video_path": "videos/youtube/tennis/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In what order do the players score throughout the video?\n\n(A) the white-shirt player -> the blue-shirt player\n(B) the blue-shirt player -> the blue-shirt player\n(C) the blue-shirt player -> the white-shirt player",
        "answer_type": "mcq",
        "choices": [
          "the white-shirt player -> the blue-shirt player",
          "the blue-shirt player -> the blue-shirt player",
          "the blue-shirt player -> the white-shirt player"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:29.500",
        "start_sec": 0,
        "end_sec": null
      },
      {
        "video_id": "0001_pt10_q13",
        "video_path": "videos/youtube/tennis/0001_pt10.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the first point, where did the ball land on its second-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the left service box\n(B) out of bounds\n(C) the backcourt\n(D) the right service box",
        "answer_type": "mcq",
        "choices": [
          "the left service box",
          "out of bounds",
          "the backcourt",
          "the right service box"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:07:24",
        "end_time": "00:08:02",
        "start_sec": 444,
        "end_sec": 482
      },
      {
        "video_id": "0001_pt10_q14",
        "video_path": "videos/youtube/tennis/0001_pt10.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the first point, where did the ball land on its fourth-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the right service box\n(B) the left service box\n(C) the backcourt\n(D) out of bounds",
        "answer_type": "mcq",
        "choices": [
          "the right service box",
          "the left service box",
          "the backcourt",
          "out of bounds"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:07:24",
        "end_time": "00:08:02",
        "start_sec": 444,
        "end_sec": 482
      },
      {
        "video_id": "0001_pt10_q15",
        "video_path": "videos/youtube/tennis/0001_pt10.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the first point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the backcourt\n(B) out of bounds\n(C) the right service box\n(D) the left service box",
        "answer_type": "mcq",
        "choices": [
          "the backcourt",
          "out of bounds",
          "the right service box",
          "the left service box"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
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        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:07:24",
        "end_time": "00:08:02",
        "start_sec": 444,
        "end_sec": 482
      },
      {
        "video_id": "0001_pt10_q16",
        "video_path": "videos/youtube/tennis/0001_pt10.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second-to-last point, where did the ball land on its second-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) out of bounds\n(B) the right service box\n(C) the left service box\n(D) the backcourt",
        "answer_type": "mcq",
        "choices": [
          "out of bounds",
          "the right service box",
          "the left service box",
          "the backcourt"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
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        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:07:24",
        "end_time": "00:08:02",
        "start_sec": 444,
        "end_sec": 482
      },
      {
        "video_id": "0001_pt10_q17",
        "video_path": "videos/youtube/tennis/0001_pt10.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second-to-last point, where did the ball land on its fourth-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) out of bounds\n(B) the backcourt\n(C) the right service box\n(D) the left service box",
        "answer_type": "mcq",
        "choices": [
          "out of bounds",
          "the backcourt",
          "the right service box",
          "the left service box"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:07:24",
        "end_time": "00:08:02",
        "start_sec": 444,
        "end_sec": 482
      },
      {
        "video_id": "0001_pt10_q18",
        "video_path": "videos/youtube/tennis/0001_pt10.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second-to-last point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the backcourt\n(B) the right service box\n(C) the left service box\n(D) out of bounds",
        "answer_type": "mcq",
        "choices": [
          "the backcourt",
          "the right service box",
          "the left service box",
          "out of bounds"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:07:24",
        "end_time": "00:08:02",
        "start_sec": 444,
        "end_sec": 482
      },
      {
        "video_id": "0001_pt10_q19",
        "video_path": "videos/youtube/tennis/0001_pt10.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In what order do the players score throughout the video?\n\n(A) the white-shirt player -> the red-shirt player -> the red-shirt player\n(B) the white-shirt player -> the white-shirt player -> the white-shirt player\n(C) the white-shirt player -> the white-shirt player -> the red-shirt player\n(D) the red-shirt player -> the white-shirt player -> the red-shirt player",
        "answer_type": "mcq",
        "choices": [
          "the white-shirt player -> the red-shirt player -> the red-shirt player",
          "the white-shirt player -> the white-shirt player -> the white-shirt player",
          "the white-shirt player -> the white-shirt player -> the red-shirt player",
          "the red-shirt player -> the white-shirt player -> the red-shirt player"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:07:24",
        "end_time": "00:08:02",
        "start_sec": 444,
        "end_sec": 482
      },
      {
        "video_id": "0001_pt2_q1",
        "video_path": "videos/youtube/tennis/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt player score?",
        "answer_type": "numeric",
        "answer": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:29.500",
        "end_time": "00:01:13",
        "start_sec": null,
        "end_sec": 73,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt2_q3",
        "video_path": "videos/youtube/tennis/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt player return the ball?",
        "answer_type": "numeric",
        "answer": 11,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:29.500",
        "end_time": "00:01:13",
        "start_sec": null,
        "end_sec": 73,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt2_q5",
        "video_path": "videos/youtube/tennis/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the blue-shirt player return the ball with backhand?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:29.500",
        "end_time": "00:01:13",
        "start_sec": null,
        "end_sec": 73,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt2_q6",
        "video_path": "videos/youtube/tennis/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "What's the ratio of the blue-shirt player's forehand to total returns? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 75,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:29.500",
        "end_time": "00:01:13",
        "start_sec": null,
        "end_sec": 73,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt2_q7",
        "video_path": "videos/youtube/tennis/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "What's the ratio of the blue-shirt player's backhand to total returns? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 25,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:29.500",
        "end_time": "00:01:13",
        "start_sec": null,
        "end_sec": 73,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt2_q8",
        "video_path": "videos/youtube/tennis/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt player return the ball with forehand?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:29.500",
        "end_time": "00:01:13",
        "start_sec": null,
        "end_sec": 73,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt2_q16",
        "video_path": "videos/youtube/tennis/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second-to-last point, where did the scoring ball land? (Note: \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the backcourt\n(B) the right service box\n(C) out of bounds\n(D) the left service box",
        "answer_type": "mcq",
        "choices": [
          "the backcourt",
          "the right service box",
          "out of bounds",
          "the left service box"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:29.500",
        "end_time": "00:01:13",
        "start_sec": null,
        "end_sec": 73
      },
      {
        "video_id": "0001_pt2_q17",
        "video_path": "videos/youtube/tennis/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second-to-last point, where did the ball land on its second-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the left service box\n(B) out of bounds\n(C) the right service box\n(D) the backcourt",
        "answer_type": "mcq",
        "choices": [
          "the left service box",
          "out of bounds",
          "the right service box",
          "the backcourt"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:29.500",
        "end_time": "00:01:13",
        "start_sec": null,
        "end_sec": 73
      },
      {
        "video_id": "0001_pt2_q18",
        "video_path": "videos/youtube/tennis/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second-to-last point, where did the ball land on its fourth-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the right service box\n(B) the left service box\n(C) the backcourt\n(D) out of bounds",
        "answer_type": "mcq",
        "choices": [
          "the right service box",
          "the left service box",
          "the backcourt",
          "out of bounds"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:29.500",
        "end_time": "00:01:13",
        "start_sec": null,
        "end_sec": 73
      },
      {
        "video_id": "0001_pt2_q19",
        "video_path": "videos/youtube/tennis/0001_pt2.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second-to-last point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the left service box\n(B) the backcourt\n(C) out of bounds\n(D) the right service box",
        "answer_type": "mcq",
        "choices": [
          "the left service box",
          "the backcourt",
          "out of bounds",
          "the right service box"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:00:29.500",
        "end_time": "00:01:13",
        "start_sec": null,
        "end_sec": 73
      },
      {
        "video_id": "0001_pt3_q3",
        "video_path": "videos/youtube/tennis/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt player return the ball?",
        "answer_type": "numeric",
        "answer": 13,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:01:15",
        "end_time": "00:02:02",
        "start_sec": 75,
        "end_sec": 122,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt3_q5",
        "video_path": "videos/youtube/tennis/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the blue-shirt player return the ball with backhand?",
        "answer_type": "numeric",
        "answer": 5,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:01:15",
        "end_time": "00:02:02",
        "start_sec": 75,
        "end_sec": 122,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt3_q6",
        "video_path": "videos/youtube/tennis/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "What's the ratio of the blue-shirt player's forehand to total returns? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 62,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:01:15",
        "end_time": "00:02:02",
        "start_sec": 75,
        "end_sec": 122,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt3_q7",
        "video_path": "videos/youtube/tennis/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "What's the ratio of the blue-shirt player's backhand to total returns? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 38,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:01:15",
        "end_time": "00:02:02",
        "start_sec": 75,
        "end_sec": 122,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt3_q8",
        "video_path": "videos/youtube/tennis/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt player return the ball with forehand?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:01:15",
        "end_time": "00:02:02",
        "start_sec": 75,
        "end_sec": 122,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt3_q14",
        "video_path": "videos/youtube/tennis/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the first point, where did the ball land on its sixth-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) out of bounds\n(B) the left service box\n(C) the backcourt\n(D) the right service box",
        "answer_type": "mcq",
        "choices": [
          "out of bounds",
          "the left service box",
          "the backcourt",
          "the right service box"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:01:15",
        "end_time": "00:02:02",
        "start_sec": 75,
        "end_sec": 122
      },
      {
        "video_id": "0001_pt3_q15",
        "video_path": "videos/youtube/tennis/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the first point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the backcourt\n(B) out of bounds\n(C) the right service box\n(D) the left service box",
        "answer_type": "mcq",
        "choices": [
          "the backcourt",
          "out of bounds",
          "the right service box",
          "the left service box"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
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        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:01:15",
        "end_time": "00:02:02",
        "start_sec": 75,
        "end_sec": 122
      },
      {
        "video_id": "0001_pt3_q16",
        "video_path": "videos/youtube/tennis/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, where did the scoring ball land? (Note: \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the right service box\n(B) the backcourt\n(C) the left service box\n(D) out of bounds",
        "answer_type": "mcq",
        "choices": [
          "the right service box",
          "the backcourt",
          "the left service box",
          "out of bounds"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
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        ],
        "state_element_type": "location",
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        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:01:15",
        "end_time": "00:02:02",
        "start_sec": 75,
        "end_sec": 122
      },
      {
        "video_id": "0001_pt3_q17",
        "video_path": "videos/youtube/tennis/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, where did the ball land on its second-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) out of bounds\n(B) the right service box\n(C) the backcourt\n(D) the left service box",
        "answer_type": "mcq",
        "choices": [
          "out of bounds",
          "the right service box",
          "the backcourt",
          "the left service box"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
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        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:01:15",
        "end_time": "00:02:02",
        "start_sec": 75,
        "end_sec": 122
      },
      {
        "video_id": "0001_pt3_q18",
        "video_path": "videos/youtube/tennis/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, where did the ball land on its fourth-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the backcourt\n(B) the left service box\n(C) out of bounds\n(D) the right service box",
        "answer_type": "mcq",
        "choices": [
          "the backcourt",
          "the left service box",
          "out of bounds",
          "the right service box"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
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        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:01:15",
        "end_time": "00:02:02",
        "start_sec": 75,
        "end_sec": 122
      },
      {
        "video_id": "0001_pt3_q19",
        "video_path": "videos/youtube/tennis/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the right service box\n(B) the backcourt\n(C) out of bounds\n(D) the left service box",
        "answer_type": "mcq",
        "choices": [
          "the right service box",
          "the backcourt",
          "out of bounds",
          "the left service box"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:01:15",
        "end_time": "00:02:02",
        "start_sec": 75,
        "end_sec": 122
      },
      {
        "video_id": "0001_pt3_q20",
        "video_path": "videos/youtube/tennis/0001_pt3.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In what order do the players score throughout the video?\n\n(A) the blue-shirt player -> the blue-shirt player\n(B) the blue-shirt player -> the white-shirt player\n(C) the white-shirt player -> the blue-shirt player",
        "answer_type": "mcq",
        "choices": [
          "the blue-shirt player -> the blue-shirt player",
          "the blue-shirt player -> the white-shirt player",
          "the white-shirt player -> the blue-shirt player"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:01:15",
        "end_time": "00:02:02",
        "start_sec": 75,
        "end_sec": 122
      },
      {
        "video_id": "0001_pt4_q3",
        "video_path": "videos/youtube/tennis/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt player return the ball?",
        "answer_type": "numeric",
        "answer": 13,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:02:03",
        "end_time": "00:02:55",
        "start_sec": 123,
        "end_sec": 175,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt4_q5",
        "video_path": "videos/youtube/tennis/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the blue-shirt player return the ball with backhand?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:02:03",
        "end_time": "00:02:55",
        "start_sec": 123,
        "end_sec": 175,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt4_q6",
        "video_path": "videos/youtube/tennis/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "What's the ratio of the blue-shirt player's forehand to total returns? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 50,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:02:03",
        "end_time": "00:02:55",
        "start_sec": 123,
        "end_sec": 175,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt4_q7",
        "video_path": "videos/youtube/tennis/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "What's the ratio of the blue-shirt player's backhand to total returns? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 50,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:02:03",
        "end_time": "00:02:55",
        "start_sec": 123,
        "end_sec": 175,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt4_q8",
        "video_path": "videos/youtube/tennis/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt player return the ball with forehand?",
        "answer_type": "numeric",
        "answer": 8,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:02:03",
        "end_time": "00:02:55",
        "start_sec": 123,
        "end_sec": 175,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt4_q14",
        "video_path": "videos/youtube/tennis/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the first point, where did the ball land on its fourth-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the backcourt\n(B) the left service box\n(C) the right service box\n(D) out of bounds",
        "answer_type": "mcq",
        "choices": [
          "the backcourt",
          "the left service box",
          "the right service box",
          "out of bounds"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:02:03",
        "end_time": "00:02:55",
        "start_sec": 123,
        "end_sec": 175
      },
      {
        "video_id": "0001_pt4_q15",
        "video_path": "videos/youtube/tennis/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the first point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the backcourt\n(B) the right service box\n(C) the left service box\n(D) out of bounds",
        "answer_type": "mcq",
        "choices": [
          "the backcourt",
          "the right service box",
          "the left service box",
          "out of bounds"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:02:03",
        "end_time": "00:02:55",
        "start_sec": 123,
        "end_sec": 175
      },
      {
        "video_id": "0001_pt4_q16",
        "video_path": "videos/youtube/tennis/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second-to-last point, where did the scoring ball land? (Note: \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the left service box\n(B) out of bounds\n(C) the backcourt\n(D) the right service box",
        "answer_type": "mcq",
        "choices": [
          "the left service box",
          "out of bounds",
          "the backcourt",
          "the right service box"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:02:03",
        "end_time": "00:02:55",
        "start_sec": 123,
        "end_sec": 175
      },
      {
        "video_id": "0001_pt4_q17",
        "video_path": "videos/youtube/tennis/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second-to-last point, where did the ball land on its second-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the backcourt\n(B) out of bounds\n(C) the left service box\n(D) the right service box",
        "answer_type": "mcq",
        "choices": [
          "the backcourt",
          "out of bounds",
          "the left service box",
          "the right service box"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:02:03",
        "end_time": "00:02:55",
        "start_sec": 123,
        "end_sec": 175
      },
      {
        "video_id": "0001_pt4_q18",
        "video_path": "videos/youtube/tennis/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second-to-last point, where did the ball land on its fifth-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) out of bounds\n(B) the left service box\n(C) the backcourt\n(D) the right service box",
        "answer_type": "mcq",
        "choices": [
          "out of bounds",
          "the left service box",
          "the backcourt",
          "the right service box"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:02:03",
        "end_time": "00:02:55",
        "start_sec": 123,
        "end_sec": 175
      },
      {
        "video_id": "0001_pt4_q19",
        "video_path": "videos/youtube/tennis/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second-to-last point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the backcourt\n(B) the right service box\n(C) the left service box\n(D) out of bounds",
        "answer_type": "mcq",
        "choices": [
          "the backcourt",
          "the right service box",
          "the left service box",
          "out of bounds"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:02:03",
        "end_time": "00:02:55",
        "start_sec": 123,
        "end_sec": 175
      },
      {
        "video_id": "0001_pt4_q20",
        "video_path": "videos/youtube/tennis/0001_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In what order do the players score throughout the video?\n\n(A) the blue-shirt player -> the white-shirt player -> the white-shirt player\n(B) the blue-shirt player -> the blue-shirt player -> the blue-shirt player\n(C) the blue-shirt player -> the blue-shirt player -> the white-shirt player\n(D) the white-shirt player -> the blue-shirt player -> the white-shirt player",
        "answer_type": "mcq",
        "choices": [
          "the blue-shirt player -> the white-shirt player -> the white-shirt player",
          "the blue-shirt player -> the blue-shirt player -> the blue-shirt player",
          "the blue-shirt player -> the blue-shirt player -> the white-shirt player",
          "the white-shirt player -> the blue-shirt player -> the white-shirt player"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:02:03",
        "end_time": "00:02:55",
        "start_sec": 123,
        "end_sec": 175
      },
      {
        "video_id": "0001_pt5_q3",
        "video_path": "videos/youtube/tennis/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt player return the ball?",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:03:32",
        "end_time": "00:04:05",
        "start_sec": 212,
        "end_sec": 245,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt5_q5",
        "video_path": "videos/youtube/tennis/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the blue-shirt player return the ball with backhand?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:03:32",
        "end_time": "00:04:05",
        "start_sec": 212,
        "end_sec": 245,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt5_q6",
        "video_path": "videos/youtube/tennis/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "What's the ratio of the blue-shirt player's forehand to total returns? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 75,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:03:32",
        "end_time": "00:04:05",
        "start_sec": 212,
        "end_sec": 245,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt5_q7",
        "video_path": "videos/youtube/tennis/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "What's the ratio of the blue-shirt player's backhand to total returns? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 25,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:03:32",
        "end_time": "00:04:05",
        "start_sec": 212,
        "end_sec": 245,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt5_q8",
        "video_path": "videos/youtube/tennis/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt player return the ball with forehand?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:03:32",
        "end_time": "00:04:05",
        "start_sec": 212,
        "end_sec": 245,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt5_q14",
        "video_path": "videos/youtube/tennis/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the first point, where did the ball land on its fourth-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the right service box\n(B) out of bounds\n(C) the backcourt\n(D) the left service box",
        "answer_type": "mcq",
        "choices": [
          "the right service box",
          "out of bounds",
          "the backcourt",
          "the left service box"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:03:32",
        "end_time": "00:04:05",
        "start_sec": 212,
        "end_sec": 245
      },
      {
        "video_id": "0001_pt5_q15",
        "video_path": "videos/youtube/tennis/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the first point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the right service box\n(B) the backcourt\n(C) the left service box\n(D) out of bounds",
        "answer_type": "mcq",
        "choices": [
          "the right service box",
          "the backcourt",
          "the left service box",
          "out of bounds"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:03:32",
        "end_time": "00:04:05",
        "start_sec": 212,
        "end_sec": 245
      },
      {
        "video_id": "0001_pt5_q16",
        "video_path": "videos/youtube/tennis/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the first point, where did the scoring ball land? (Note: \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) out of bounds\n(B) the backcourt\n(C) the left service box\n(D) the right service box",
        "answer_type": "mcq",
        "choices": [
          "out of bounds",
          "the backcourt",
          "the left service box",
          "the right service box"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:03:32",
        "end_time": "00:04:05",
        "start_sec": 212,
        "end_sec": 245
      },
      {
        "video_id": "0001_pt5_q17",
        "video_path": "videos/youtube/tennis/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, where did the ball land on its second-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) out of bounds\n(B) the left service box\n(C) the backcourt\n(D) the right service box",
        "answer_type": "mcq",
        "choices": [
          "out of bounds",
          "the left service box",
          "the backcourt",
          "the right service box"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:03:32",
        "end_time": "00:04:05",
        "start_sec": 212,
        "end_sec": 245
      },
      {
        "video_id": "0001_pt5_q18",
        "video_path": "videos/youtube/tennis/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, where did the ball land on its fourth-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) out of bounds\n(B) the right service box\n(C) the backcourt\n(D) the left service box",
        "answer_type": "mcq",
        "choices": [
          "out of bounds",
          "the right service box",
          "the backcourt",
          "the left service box"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:03:32",
        "end_time": "00:04:05",
        "start_sec": 212,
        "end_sec": 245
      },
      {
        "video_id": "0001_pt5_q19",
        "video_path": "videos/youtube/tennis/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the backcourt\n(B) the left service box\n(C) out of bounds\n(D) the right service box",
        "answer_type": "mcq",
        "choices": [
          "the backcourt",
          "the left service box",
          "out of bounds",
          "the right service box"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:03:32",
        "end_time": "00:04:05",
        "start_sec": 212,
        "end_sec": 245
      },
      {
        "video_id": "0001_pt5_q20",
        "video_path": "videos/youtube/tennis/0001_pt5.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In what order do the players score throughout the video?\n\n(A) the white-shirt player -> the blue-shirt player\n(B) the blue-shirt player -> the blue-shirt player\n(C) the blue-shirt player -> the white-shirt player",
        "answer_type": "mcq",
        "choices": [
          "the white-shirt player -> the blue-shirt player",
          "the blue-shirt player -> the blue-shirt player",
          "the blue-shirt player -> the white-shirt player"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:03:32",
        "end_time": "00:04:05",
        "start_sec": 212,
        "end_sec": 245
      },
      {
        "video_id": "0001_pt6_q1",
        "video_path": "videos/youtube/tennis/0001_pt6.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, where did the ball land on its third-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) out of bounds\n(B) the right service box\n(C) the backcourt\n(D) the left service box",
        "answer_type": "mcq",
        "choices": [
          "out of bounds",
          "the right service box",
          "the backcourt",
          "the left service box"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:04:11.500",
        "end_time": "00:04:51",
        "start_sec": null,
        "end_sec": 291
      },
      {
        "video_id": "0001_pt6_q2",
        "video_path": "videos/youtube/tennis/0001_pt6.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the backcourt\n(B) out of bounds\n(C) the left service box\n(D) the right service box",
        "answer_type": "mcq",
        "choices": [
          "the backcourt",
          "out of bounds",
          "the left service box",
          "the right service box"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:04:11.500",
        "end_time": "00:04:51",
        "start_sec": null,
        "end_sec": 291
      },
      {
        "video_id": "0001_pt6_q3",
        "video_path": "videos/youtube/tennis/0001_pt6.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In what order do the players score throughout the video?\n\n(A) the blue-shirt player -> the blue-shirt player -> the blue-shirt player\n(B) the white-shirt player -> the white-shirt player -> the blue-shirt player\n(C) the white-shirt player -> the blue-shirt player -> the blue-shirt player\n(D) the white-shirt player -> the blue-shirt player -> the white-shirt player",
        "answer_type": "mcq",
        "choices": [
          "the blue-shirt player -> the blue-shirt player -> the blue-shirt player",
          "the white-shirt player -> the white-shirt player -> the blue-shirt player",
          "the white-shirt player -> the blue-shirt player -> the blue-shirt player",
          "the white-shirt player -> the blue-shirt player -> the white-shirt player"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:04:11.500",
        "end_time": "00:04:51",
        "start_sec": null,
        "end_sec": 291
      },
      {
        "video_id": "0001_pt6_q7",
        "video_path": "videos/youtube/tennis/0001_pt6.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt player return the ball?",
        "answer_type": "numeric",
        "answer": 10,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:04:11.500",
        "end_time": "00:04:51",
        "start_sec": null,
        "end_sec": 291,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt6_q9",
        "video_path": "videos/youtube/tennis/0001_pt6.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the blue-shirt player return the ball with backhand?",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:04:11.500",
        "end_time": "00:04:51",
        "start_sec": null,
        "end_sec": 291,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt6_q10",
        "video_path": "videos/youtube/tennis/0001_pt6.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "What's the ratio of the blue-shirt player's forehand to total returns? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 22,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:04:11.500",
        "end_time": "00:04:51",
        "start_sec": null,
        "end_sec": 291,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt6_q11",
        "video_path": "videos/youtube/tennis/0001_pt6.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "What's the ratio of the blue-shirt player's backhand to total returns? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 78,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:04:11.500",
        "end_time": "00:04:51",
        "start_sec": null,
        "end_sec": 291,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt6_q12",
        "video_path": "videos/youtube/tennis/0001_pt6.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt player return the ball with forehand?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:04:11.500",
        "end_time": "00:04:51",
        "start_sec": null,
        "end_sec": 291,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0001_pt7_q14",
        "video_path": "videos/youtube/tennis/0001_pt7.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, where did the ball land on its second-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) out of bounds\n(B) the backcourt\n(C) the right service box\n(D) the left service box",
        "answer_type": "mcq",
        "choices": [
          "out of bounds",
          "the backcourt",
          "the right service box",
          "the left service box"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:05:34",
        "end_time": "00:06:17",
        "start_sec": 334,
        "end_sec": 377
      },
      {
        "video_id": "0001_pt7_q15",
        "video_path": "videos/youtube/tennis/0001_pt7.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, where did the ball land on its third-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) out of bounds\n(B) the backcourt\n(C) the right service box\n(D) the left service box",
        "answer_type": "mcq",
        "choices": [
          "out of bounds",
          "the backcourt",
          "the right service box",
          "the left service box"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:05:34",
        "end_time": "00:06:17",
        "start_sec": 334,
        "end_sec": 377
      },
      {
        "video_id": "0001_pt7_q16",
        "video_path": "videos/youtube/tennis/0001_pt7.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, which area was second most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the left service box\n(B) out of bounds\n(C) the right service box\n(D) the backcourt",
        "answer_type": "mcq",
        "choices": [
          "the left service box",
          "out of bounds",
          "the right service box",
          "the backcourt"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:05:34",
        "end_time": "00:06:17",
        "start_sec": 334,
        "end_sec": 377
      },
      {
        "video_id": "0001_pt7_q17",
        "video_path": "videos/youtube/tennis/0001_pt7.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In what order do the players score throughout the video?\n\n(A) the white-shirt player -> the red-shirt player -> the red-shirt player\n(B) the red-shirt player -> the white-shirt player -> the red-shirt player\n(C) the white-shirt player -> the white-shirt player -> the white-shirt player\n(D) the white-shirt player -> the white-shirt player -> the red-shirt player",
        "answer_type": "mcq",
        "choices": [
          "the white-shirt player -> the red-shirt player -> the red-shirt player",
          "the red-shirt player -> the white-shirt player -> the red-shirt player",
          "the white-shirt player -> the white-shirt player -> the white-shirt player",
          "the white-shirt player -> the white-shirt player -> the red-shirt player"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:05:34",
        "end_time": "00:06:17",
        "start_sec": 334,
        "end_sec": 377
      },
      {
        "video_id": "0001_pt8_q14",
        "video_path": "videos/youtube/tennis/0001_pt8.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, where did the ball land on its second-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) out of bounds\n(B) the left service box\n(C) the backcourt\n(D) the right service box",
        "answer_type": "mcq",
        "choices": [
          "out of bounds",
          "the left service box",
          "the backcourt",
          "the right service box"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:06:18",
        "end_time": "00:06:45",
        "start_sec": 378,
        "end_sec": 405
      },
      {
        "video_id": "0001_pt8_q15",
        "video_path": "videos/youtube/tennis/0001_pt8.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, where did the ball land on its fourth-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the backcourt\n(B) the right service box\n(C) the left service box\n(D) out of bounds",
        "answer_type": "mcq",
        "choices": [
          "the backcourt",
          "the right service box",
          "the left service box",
          "out of bounds"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:06:18",
        "end_time": "00:06:45",
        "start_sec": 378,
        "end_sec": 405
      },
      {
        "video_id": "0001_pt8_q16",
        "video_path": "videos/youtube/tennis/0001_pt8.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the left service box\n(B) out of bounds\n(C) the right service box\n(D) the backcourt",
        "answer_type": "mcq",
        "choices": [
          "the left service box",
          "out of bounds",
          "the right service box",
          "the backcourt"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:06:18",
        "end_time": "00:06:45",
        "start_sec": 378,
        "end_sec": 405
      },
      {
        "video_id": "0001_pt8_q17",
        "video_path": "videos/youtube/tennis/0001_pt8.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In what order do the players score throughout the video?\n\n(A) the white-shirt player -> the red-shirt player -> the white-shirt player\n(B) the red-shirt player -> the white-shirt player -> the white-shirt player\n(C) the white-shirt player -> the white-shirt player -> the red-shirt player\n(D) the white-shirt player -> the white-shirt player -> the white-shirt player",
        "answer_type": "mcq",
        "choices": [
          "the white-shirt player -> the red-shirt player -> the white-shirt player",
          "the red-shirt player -> the white-shirt player -> the white-shirt player",
          "the white-shirt player -> the white-shirt player -> the red-shirt player",
          "the white-shirt player -> the white-shirt player -> the white-shirt player"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:06:18",
        "end_time": "00:06:45",
        "start_sec": 378,
        "end_sec": 405
      },
      {
        "video_id": "0001_pt9_q14",
        "video_path": "videos/youtube/tennis/0001_pt9.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, where did the ball land on its second-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the right service box\n(B) the left service box\n(C) the backcourt\n(D) out of bounds",
        "answer_type": "mcq",
        "choices": [
          "the right service box",
          "the left service box",
          "the backcourt",
          "out of bounds"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:06:46.500",
        "end_time": "00:07:23",
        "start_sec": null,
        "end_sec": 443
      },
      {
        "video_id": "0001_pt9_q15",
        "video_path": "videos/youtube/tennis/0001_pt9.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, where did the ball land on its fourth-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the right service box\n(B) the left service box\n(C) the backcourt\n(D) out of bounds",
        "answer_type": "mcq",
        "choices": [
          "the right service box",
          "the left service box",
          "the backcourt",
          "out of bounds"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:06:46.500",
        "end_time": "00:07:23",
        "start_sec": null,
        "end_sec": 443
      },
      {
        "video_id": "0001_pt9_q16",
        "video_path": "videos/youtube/tennis/0001_pt9.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) out of bounds\n(B) the right service box\n(C) the backcourt\n(D) the left service box",
        "answer_type": "mcq",
        "choices": [
          "out of bounds",
          "the right service box",
          "the backcourt",
          "the left service box"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:06:46.500",
        "end_time": "00:07:23",
        "start_sec": null,
        "end_sec": 443
      },
      {
        "video_id": "0001_pt9_q17",
        "video_path": "videos/youtube/tennis/0001_pt9.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In what order do the players score throughout the video?\n\n(A) the white-shirt player -> the white-shirt player -> the red-shirt player\n(B) the red-shirt player -> the white-shirt player -> the white-shirt player\n(C) the white-shirt player -> the red-shirt player -> the white-shirt player\n(D) the white-shirt player -> the white-shirt player -> the white-shirt player",
        "answer_type": "mcq",
        "choices": [
          "the white-shirt player -> the white-shirt player -> the red-shirt player",
          "the red-shirt player -> the white-shirt player -> the white-shirt player",
          "the white-shirt player -> the red-shirt player -> the white-shirt player",
          "the white-shirt player -> the white-shirt player -> the white-shirt player"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=GG1tj8Q9Izo",
        "youtube_id": "GG1tj8Q9Izo",
        "youtube_title": "De Minaur, Norrie, Jodar Headline | Barcelona 2026 Day 3 Highlights",
        "start_time": "00:06:46.500",
        "end_time": "00:07:23",
        "start_sec": null,
        "end_sec": 443
      },
      {
        "video_id": "0002_pt1_q2",
        "video_path": "videos/youtube/tennis/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt and black-vest player score?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:38",
        "start_sec": 0,
        "end_sec": 38,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q4",
        "video_path": "videos/youtube/tennis/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt and black-vest player return the ball?",
        "answer_type": "numeric",
        "answer": 10,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:38",
        "start_sec": 0,
        "end_sec": 38,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q6",
        "video_path": "videos/youtube/tennis/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the black-shirt player return the ball with backhand?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:38",
        "start_sec": 0,
        "end_sec": 38,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q7",
        "video_path": "videos/youtube/tennis/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "What's the ratio of the black-shirt player's forehand to total returns? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 63,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:38",
        "start_sec": 0,
        "end_sec": 38,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q8",
        "video_path": "videos/youtube/tennis/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "What's the ratio of the black-shirt player's backhand to total returns? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 38,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:38",
        "start_sec": 0,
        "end_sec": 38,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q9",
        "video_path": "videos/youtube/tennis/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt and black-vest player return the ball with forehand?",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:38",
        "start_sec": 0,
        "end_sec": 38,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1_q14",
        "video_path": "videos/youtube/tennis/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, where did the ball land on its second-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) out of bounds\n(B) the left service box\n(C) the right service box\n(D) the backcourt",
        "answer_type": "mcq",
        "choices": [
          "out of bounds",
          "the left service box",
          "the right service box",
          "the backcourt"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:38",
        "start_sec": 0,
        "end_sec": 38
      },
      {
        "video_id": "0002_pt1_q15",
        "video_path": "videos/youtube/tennis/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, where did the ball land on its third-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the left service box\n(B) out of bounds\n(C) the backcourt\n(D) the right service box",
        "answer_type": "mcq",
        "choices": [
          "the left service box",
          "out of bounds",
          "the backcourt",
          "the right service box"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:38",
        "start_sec": 0,
        "end_sec": 38
      },
      {
        "video_id": "0002_pt1_q16",
        "video_path": "videos/youtube/tennis/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the right service box\n(B) the left service box\n(C) the backcourt\n(D) out of bounds",
        "answer_type": "mcq",
        "choices": [
          "the right service box",
          "the left service box",
          "the backcourt",
          "out of bounds"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:00:00",
        "end_time": "00:00:38",
        "start_sec": 0,
        "end_sec": 38
      },
      {
        "video_id": "0002_pt1_q17",
        "video_path": "videos/youtube/tennis/0002_pt1.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In what order do the players score throughout the video?\n\n(A) the white-shirt and black-vest player -> the white-shirt and black-vest player -> the white-shirt and black-vest player\n(B) the white-shirt and black-vest player -> the black-shirt player -> the black-shirt player\n(C) the black-shirt player -> the black-shirt player -> the white-shirt and black-vest player\n(D) the white-shirt and black-vest player -> the black-shirt player -> the white-shirt and black-vest player",
        "answer_type": "mcq",
        "choices": [
          "the white-shirt and black-vest player -> the white-shirt and black-vest player -> the white-shirt and black-vest player",
          "the white-shirt and black-vest player -> the black-shirt player -> the black-shirt player",
          "the black-shirt player -> the black-shirt player -> the white-shirt and black-vest player",
          "the white-shirt and black-vest player -> the black-shirt player -> the white-shirt and black-vest player"
        ],
        "answer": "D",
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        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:01:22",
        "end_time": "00:02:08",
        "start_sec": 82,
        "end_sec": 128,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt3_q9",
        "video_path": "videos/youtube/tennis/0002_pt3.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt and black-vest player return the ball with forehand?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
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        ],
        "state_element_type": "count",
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        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:01:22",
        "end_time": "00:02:08",
        "start_sec": 82,
        "end_sec": 128,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt3_q14",
        "video_path": "videos/youtube/tennis/0002_pt3.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the first point, where did the ball land on its third-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the left service box\n(B) the right service box\n(C) out of bounds\n(D) the backcourt",
        "answer_type": "mcq",
        "choices": [
          "the left service box",
          "the right service box",
          "out of bounds",
          "the backcourt"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:01:22",
        "end_time": "00:02:08",
        "start_sec": 82,
        "end_sec": 128
      },
      {
        "video_id": "0002_pt3_q15",
        "video_path": "videos/youtube/tennis/0002_pt3.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the backcourt\n(B) the right service box\n(C) out of bounds\n(D) the left service box",
        "answer_type": "mcq",
        "choices": [
          "the backcourt",
          "the right service box",
          "out of bounds",
          "the left service box"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:01:22",
        "end_time": "00:02:08",
        "start_sec": 82,
        "end_sec": 128
      },
      {
        "video_id": "0002_pt3_q16",
        "video_path": "videos/youtube/tennis/0002_pt3.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In what order do the players score throughout the video?\n\n(A) the white-shirt and black-vest player -> the white-shirt and black-vest player -> the white-shirt and black-vest player\n(B) the black-shirt player -> the black-shirt player -> the white-shirt and black-vest player\n(C) the black-shirt player -> the white-shirt and black-vest player -> the black-shirt player\n(D) the black-shirt player -> the white-shirt and black-vest player -> the white-shirt and black-vest player",
        "answer_type": "mcq",
        "choices": [
          "the white-shirt and black-vest player -> the white-shirt and black-vest player -> the white-shirt and black-vest player",
          "the black-shirt player -> the black-shirt player -> the white-shirt and black-vest player",
          "the black-shirt player -> the white-shirt and black-vest player -> the black-shirt player",
          "the black-shirt player -> the white-shirt and black-vest player -> the white-shirt and black-vest player"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:01:22",
        "end_time": "00:02:08",
        "start_sec": 82,
        "end_sec": 128
      },
      {
        "video_id": "0002_pt4_q2",
        "video_path": "videos/youtube/tennis/0002_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt and black-vest player score?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:02:10",
        "end_time": "00:02:52.033",
        "start_sec": 130,
        "end_sec": 172.033,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt4_q4",
        "video_path": "videos/youtube/tennis/0002_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt and black-vest player return the ball?",
        "answer_type": "numeric",
        "answer": 9,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:02:10",
        "end_time": "00:02:52.033",
        "start_sec": 130,
        "end_sec": 172.033,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt4_q6",
        "video_path": "videos/youtube/tennis/0002_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the black-shirt player return the ball with backhand?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:02:10",
        "end_time": "00:02:52.033",
        "start_sec": 130,
        "end_sec": 172.033,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt4_q7",
        "video_path": "videos/youtube/tennis/0002_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "What's the ratio of the black-shirt player's forehand to total returns? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 33,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:02:10",
        "end_time": "00:02:52.033",
        "start_sec": 130,
        "end_sec": 172.033,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt4_q8",
        "video_path": "videos/youtube/tennis/0002_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "What's the ratio of the black-shirt player's backhand to total returns? Round to the nearest integer in percentage.",
        "answer_type": "numeric",
        "answer": 67,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:02:10",
        "end_time": "00:02:52.033",
        "start_sec": 130,
        "end_sec": 172.033,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt4_q9",
        "video_path": "videos/youtube/tennis/0002_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt and black-vest player return the ball with forehand?",
        "answer_type": "numeric",
        "answer": 7,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:02:10",
        "end_time": "00:02:52.033",
        "start_sec": 130,
        "end_sec": 172.033,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt4_q14",
        "video_path": "videos/youtube/tennis/0002_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second-to-last point, where did the ball land on its fourth-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the right service box\n(B) out of bounds\n(C) the backcourt\n(D) the left service box",
        "answer_type": "mcq",
        "choices": [
          "the right service box",
          "out of bounds",
          "the backcourt",
          "the left service box"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:02:10",
        "end_time": "00:02:52.033",
        "start_sec": 130,
        "end_sec": 172.033
      },
      {
        "video_id": "0002_pt4_q15",
        "video_path": "videos/youtube/tennis/0002_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second-to-last point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the right service box\n(B) the left service box\n(C) out of bounds\n(D) the backcourt",
        "answer_type": "mcq",
        "choices": [
          "the right service box",
          "the left service box",
          "out of bounds",
          "the backcourt"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:02:10",
        "end_time": "00:02:52.033",
        "start_sec": 130,
        "end_sec": 172.033
      },
      {
        "video_id": "0002_pt4_q16",
        "video_path": "videos/youtube/tennis/0002_pt4.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In what order do the players score throughout the video?\n\n(A) the white-shirt and black-vest player -> the white-shirt and black-vest player -> the white-shirt and black-vest player\n(B) the blue-shirt player -> the blue-shirt player -> the white-shirt and black-vest player\n(C) the blue-shirt player -> the white-shirt and black-vest player -> the blue-shirt player\n(D) the blue-shirt player -> the white-shirt and black-vest player -> the white-shirt and black-vest player",
        "answer_type": "mcq",
        "choices": [
          "the white-shirt and black-vest player -> the white-shirt and black-vest player -> the white-shirt and black-vest player",
          "the blue-shirt player -> the blue-shirt player -> the white-shirt and black-vest player",
          "the blue-shirt player -> the white-shirt and black-vest player -> the blue-shirt player",
          "the blue-shirt player -> the white-shirt and black-vest player -> the white-shirt and black-vest player"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:02:10",
        "end_time": "00:02:52.033",
        "start_sec": 130,
        "end_sec": 172.033
      },
      {
        "video_id": "0002_pt5_q2",
        "video_path": "videos/youtube/tennis/0002_pt5.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the orange-shirt player score?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:03:06",
        "end_time": "00:03:44",
        "start_sec": 186,
        "end_sec": 224,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt5_q14",
        "video_path": "videos/youtube/tennis/0002_pt5.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second-to-last point, where did the ball land on its third-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the backcourt\n(B) out of bounds\n(C) the left service box\n(D) the right service box",
        "answer_type": "mcq",
        "choices": [
          "the backcourt",
          "out of bounds",
          "the left service box",
          "the right service box"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:03:06",
        "end_time": "00:03:44",
        "start_sec": 186,
        "end_sec": 224
      },
      {
        "video_id": "0002_pt5_q15",
        "video_path": "videos/youtube/tennis/0002_pt5.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second-to-last point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the right service box\n(B) the left service box\n(C) the backcourt\n(D) out of bounds",
        "answer_type": "mcq",
        "choices": [
          "the right service box",
          "the left service box",
          "the backcourt",
          "out of bounds"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:03:06",
        "end_time": "00:03:44",
        "start_sec": 186,
        "end_sec": 224
      },
      {
        "video_id": "0002_pt5_q16",
        "video_path": "videos/youtube/tennis/0002_pt5.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In what order do the players score throughout the video?\n\n(A) the blue-shirt player -> the blue-shirt player -> the blue-shirt player\n(B) the orange-shirt player -> the blue-shirt player -> the orange-shirt player\n(C) the blue-shirt player -> the blue-shirt player -> the orange-shirt player\n(D) the blue-shirt player -> the orange-shirt player -> the orange-shirt player",
        "answer_type": "mcq",
        "choices": [
          "the blue-shirt player -> the blue-shirt player -> the blue-shirt player",
          "the orange-shirt player -> the blue-shirt player -> the orange-shirt player",
          "the blue-shirt player -> the blue-shirt player -> the orange-shirt player",
          "the blue-shirt player -> the orange-shirt player -> the orange-shirt player"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:03:06",
        "end_time": "00:03:44",
        "start_sec": 186,
        "end_sec": 224
      },
      {
        "video_id": "0002_pt6_q2",
        "video_path": "videos/youtube/tennis/0002_pt6.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the orange-shirt player score?",
        "answer_type": "numeric",
        "answer": 0,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:03:45",
        "end_time": "00:04:23.033",
        "start_sec": 225,
        "end_sec": 263.033,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt6_q14",
        "video_path": "videos/youtube/tennis/0002_pt6.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, where did the ball land on its second-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) out of bounds\n(B) the left service box\n(C) the right service box\n(D) the backcourt",
        "answer_type": "mcq",
        "choices": [
          "out of bounds",
          "the left service box",
          "the right service box",
          "the backcourt"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:03:45",
        "end_time": "00:04:23.033",
        "start_sec": 225,
        "end_sec": 263.033
      },
      {
        "video_id": "0002_pt6_q15",
        "video_path": "videos/youtube/tennis/0002_pt6.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second-to-last point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the right service box\n(B) out of bounds\n(C) the left service box\n(D) the backcourt",
        "answer_type": "mcq",
        "choices": [
          "the right service box",
          "out of bounds",
          "the left service box",
          "the backcourt"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:03:45",
        "end_time": "00:04:23.033",
        "start_sec": 225,
        "end_sec": 263.033
      },
      {
        "video_id": "0002_pt6_q16",
        "video_path": "videos/youtube/tennis/0002_pt6.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In what order do the players score throughout the video?\n\n(A) the orange-shirt player -> the blue-shirt player -> the blue-shirt player\n(B) the blue-shirt player -> the orange-shirt player -> the blue-shirt player\n(C) the blue-shirt player -> the blue-shirt player -> the orange-shirt player\n(D) the blue-shirt player -> the blue-shirt player -> the blue-shirt player",
        "answer_type": "mcq",
        "choices": [
          "the orange-shirt player -> the blue-shirt player -> the blue-shirt player",
          "the blue-shirt player -> the orange-shirt player -> the blue-shirt player",
          "the blue-shirt player -> the blue-shirt player -> the orange-shirt player",
          "the blue-shirt player -> the blue-shirt player -> the blue-shirt player"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:03:45",
        "end_time": "00:04:23.033",
        "start_sec": 225,
        "end_sec": 263.033
      },
      {
        "video_id": "0002_pt7_q2",
        "video_path": "videos/youtube/tennis/0002_pt7.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the orange-shirt player score?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:04:24",
        "end_time": "00:05:01",
        "start_sec": 264,
        "end_sec": 301,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt7_q14",
        "video_path": "videos/youtube/tennis/0002_pt7.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second point, where did the ball land on its second-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the left service box\n(B) the backcourt\n(C) out of bounds\n(D) the right service box",
        "answer_type": "mcq",
        "choices": [
          "the left service box",
          "the backcourt",
          "out of bounds",
          "the right service box"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:04:24",
        "end_time": "00:05:01",
        "start_sec": 264,
        "end_sec": 301
      },
      {
        "video_id": "0002_pt7_q15",
        "video_path": "videos/youtube/tennis/0002_pt7.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) out of bounds\n(B) the left service box\n(C) the right service box\n(D) the backcourt",
        "answer_type": "mcq",
        "choices": [
          "out of bounds",
          "the left service box",
          "the right service box",
          "the backcourt"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:04:24",
        "end_time": "00:05:01",
        "start_sec": 264,
        "end_sec": 301
      },
      {
        "video_id": "0002_pt7_q16",
        "video_path": "videos/youtube/tennis/0002_pt7.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In what order do the players score throughout the video?\n\n(A) the orange-shirt player -> the blue-shirt player -> the orange-shirt player -> the orange-shirt player\n(B) the orange-shirt player -> the blue-shirt player -> the blue-shirt player -> the blue-shirt player\n(C) the blue-shirt player -> the blue-shirt player -> the blue-shirt player -> the orange-shirt player\n(D) the orange-shirt player -> the blue-shirt player -> the blue-shirt player -> the orange-shirt player",
        "answer_type": "mcq",
        "choices": [
          "the orange-shirt player -> the blue-shirt player -> the orange-shirt player -> the orange-shirt player",
          "the orange-shirt player -> the blue-shirt player -> the blue-shirt player -> the blue-shirt player",
          "the blue-shirt player -> the blue-shirt player -> the blue-shirt player -> the orange-shirt player",
          "the orange-shirt player -> the blue-shirt player -> the blue-shirt player -> the orange-shirt player"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:04:24",
        "end_time": "00:05:01",
        "start_sec": 264,
        "end_sec": 301
      },
      {
        "video_id": "0002_pt8_q2",
        "video_path": "videos/youtube/tennis/0002_pt8.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the orange-shirt player score?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:05:01",
        "end_time": "00:05:45.033",
        "start_sec": 301,
        "end_sec": 345.033,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt8_q14",
        "video_path": "videos/youtube/tennis/0002_pt8.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, where did the ball land on its second-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) out of bounds\n(B) the left service box\n(C) the right service box\n(D) the backcourt",
        "answer_type": "mcq",
        "choices": [
          "out of bounds",
          "the left service box",
          "the right service box",
          "the backcourt"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:05:01",
        "end_time": "00:05:45.033",
        "start_sec": 301,
        "end_sec": 345.033
      },
      {
        "video_id": "0002_pt8_q15",
        "video_path": "videos/youtube/tennis/0002_pt8.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) out of bounds\n(B) the right service box\n(C) the left service box\n(D) the backcourt",
        "answer_type": "mcq",
        "choices": [
          "out of bounds",
          "the right service box",
          "the left service box",
          "the backcourt"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:05:01",
        "end_time": "00:05:45.033",
        "start_sec": 301,
        "end_sec": 345.033
      },
      {
        "video_id": "0002_pt8_q16",
        "video_path": "videos/youtube/tennis/0002_pt8.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In what order do the players score throughout the video?\n\n(A) the orange-shirt player -> the blue-shirt player -> the orange-shirt player -> the blue-shirt player\n(B) the orange-shirt player -> the blue-shirt player -> the blue-shirt player -> the blue-shirt player\n(C) the blue-shirt player -> the blue-shirt player -> the blue-shirt player -> the blue-shirt player\n(D) the orange-shirt player -> the orange-shirt player -> the blue-shirt player -> the blue-shirt player",
        "answer_type": "mcq",
        "choices": [
          "the orange-shirt player -> the blue-shirt player -> the orange-shirt player -> the blue-shirt player",
          "the orange-shirt player -> the blue-shirt player -> the blue-shirt player -> the blue-shirt player",
          "the blue-shirt player -> the blue-shirt player -> the blue-shirt player -> the blue-shirt player",
          "the orange-shirt player -> the orange-shirt player -> the blue-shirt player -> the blue-shirt player"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:05:01",
        "end_time": "00:05:45.033",
        "start_sec": 301,
        "end_sec": 345.033
      },
      {
        "video_id": "0002_pt9_q2",
        "video_path": "videos/youtube/tennis/0002_pt9.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "How many times does the white-shirt player score?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:06:22",
        "end_time": "00:07:03",
        "start_sec": 382,
        "end_sec": 423,
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt9_q14",
        "video_path": "videos/youtube/tennis/0002_pt9.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the second point, where did the ball land on its second-to-last bounce? (Note: only count bounces that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the left service box\n(B) the right service box\n(C) the backcourt\n(D) out of bounds",
        "answer_type": "mcq",
        "choices": [
          "the left service box",
          "the right service box",
          "the backcourt",
          "out of bounds"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "location",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:06:22",
        "end_time": "00:07:03",
        "start_sec": 382,
        "end_sec": 423
      },
      {
        "video_id": "0002_pt9_q15",
        "video_path": "videos/youtube/tennis/0002_pt9.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In the last point, which area was most frequently hit by the ball? (Note: only count hit that occur while the point is still active; do not count extra bounces after a player fails to return the ball. \"Left\" and \"right\" are from the perspective of the player on that side of the court).\n\n(A) the backcourt\n(B) the left service box\n(C) out of bounds\n(D) the right service box",
        "answer_type": "mcq",
        "choices": [
          "the backcourt",
          "the left service box",
          "out of bounds",
          "the right service box"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "count",
        "state_structure": "dictionary",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:06:22",
        "end_time": "00:07:03",
        "start_sec": 382,
        "end_sec": 423
      },
      {
        "video_id": "0002_pt9_q16",
        "video_path": "videos/youtube/tennis/0002_pt9.mp4",
        "video_source": "youtube",
        "source_task": "tennis",
        "question": "In what order do the players score throughout the video?\n\n(A) the blue-shirt player -> the blue-shirt player -> the blue-shirt player\n(B) the blue-shirt player -> the white-shirt player -> the white-shirt player\n(C) the blue-shirt player -> the blue-shirt player -> the white-shirt player\n(D) the white-shirt player -> the blue-shirt player -> the white-shirt player",
        "answer_type": "mcq",
        "choices": [
          "the blue-shirt player -> the blue-shirt player -> the blue-shirt player",
          "the blue-shirt player -> the white-shirt player -> the white-shirt player",
          "the blue-shirt player -> the blue-shirt player -> the white-shirt player",
          "the white-shirt player -> the blue-shirt player -> the white-shirt player"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "action_ambiguity",
          "multi_entity_attribution"
        ],
        "state_element_type": "attribute",
        "state_structure": "sequence",
        "youtube_url": "https://www.youtube.com/watch?v=zR6PXdor7qI",
        "youtube_id": "zR6PXdor7qI",
        "youtube_title": "Shelton vs Blockx, Fonseca Takes On Rinderknech & Many More | Munich 2026 Day 3 Highlights",
        "start_time": "00:06:22",
        "end_time": "00:07:03",
        "start_sec": 382,
        "end_sec": 423
      }
    ],
    "tighten_untighten": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/synthetic/tighten_untighten/0001_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tighten_untighten",
        "question": "How many tightening actions (turning clockwise) were performed in the video?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/synthetic/tighten_untighten/0002_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tighten_untighten",
        "question": "How many tightening actions (turning clockwise) were performed in the video?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/synthetic/tighten_untighten/0003_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tighten_untighten",
        "question": "How many tightening actions (turning clockwise) were performed in the video?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt1",
        "video_path": "videos/synthetic/tighten_untighten/0004_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tighten_untighten",
        "question": "How many tightening actions (turning clockwise) were performed in the video?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt1",
        "video_path": "videos/synthetic/tighten_untighten/0005_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tighten_untighten",
        "question": "How many tightening actions (turning clockwise) were performed in the video?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0006_pt1",
        "video_path": "videos/synthetic/tighten_untighten/0006_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tighten_untighten",
        "question": "How many tightening actions (turning clockwise) were performed in the video?",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0007_pt1",
        "video_path": "videos/synthetic/tighten_untighten/0007_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tighten_untighten",
        "question": "How many tightening actions (turning clockwise) were performed in the video?",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0008_pt1",
        "video_path": "videos/synthetic/tighten_untighten/0008_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tighten_untighten",
        "question": "How many tightening actions (turning clockwise) were performed in the video?",
        "answer_type": "numeric",
        "answer": 0,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0009_pt1",
        "video_path": "videos/synthetic/tighten_untighten/0009_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tighten_untighten",
        "question": "How many tightening actions (turning clockwise) were performed in the video?",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0010_pt1",
        "video_path": "videos/synthetic/tighten_untighten/0010_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tighten_untighten",
        "question": "How many tightening actions (turning clockwise) were performed in the video?",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
          "action_ambiguity"
        ],
        "state_element_type": "count",
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        "video_source": "self_recorded",
        "source_task": "tilt_box",
        "question": "A ball was placed at corner 2 (Top-Right). At the end of the video, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.\n\n(A) 3\n(B) 2\n(C) 1\n(D) 4",
        "answer_type": "mcq",
        "choices": [
          "3",
          "2",
          "1",
          "4"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0004_pt1",
        "video_path": "videos/self_recorded/tilt_box/0004_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "tilt_box",
        "question": "A ball was placed at corner 4 (Bottom-Left). At the end of the video, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.\n\n(A) 3\n(B) 4\n(C) 2\n(D) 1",
        "answer_type": "mcq",
        "choices": [
          "3",
          "4",
          "2",
          "1"
        ],
        "answer": "C",
        "answer_index": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0005_pt1",
        "video_path": "videos/self_recorded/tilt_box/0005_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "tilt_box",
        "question": "A ball was placed at corner 3 (Bottom-Right). At the end of the video, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.\n\n(A) 2\n(B) 3\n(C) 1\n(D) 4",
        "answer_type": "mcq",
        "choices": [
          "2",
          "3",
          "1",
          "4"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0006_pt1",
        "video_path": "videos/self_recorded/tilt_box/0006_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "tilt_box",
        "question": "A ball was placed at corner 1 (Top-Left). At the end of the video, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.\n\n(A) 2\n(B) 1\n(C) 4\n(D) 3",
        "answer_type": "mcq",
        "choices": [
          "2",
          "1",
          "4",
          "3"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0007_pt1",
        "video_path": "videos/self_recorded/tilt_box/0007_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "tilt_box",
        "question": "A ball was placed at corner 3 (Bottom-Right). At the end of the video, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.\n\n(A) 2\n(B) 1\n(C) 3\n(D) 4",
        "answer_type": "mcq",
        "choices": [
          "2",
          "1",
          "3",
          "4"
        ],
        "answer": "B",
        "answer_index": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0008_pt1",
        "video_path": "videos/self_recorded/tilt_box/0008_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "tilt_box",
        "question": "A ball was placed at corner 1 (Top-Left). At the end of the video, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.\n\n(A) 3\n(B) 4\n(C) 1\n(D) 2",
        "answer_type": "mcq",
        "choices": [
          "3",
          "4",
          "1",
          "2"
        ],
        "answer": "A",
        "answer_index": 0,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0009_pt1",
        "video_path": "videos/self_recorded/tilt_box/0009_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "tilt_box",
        "question": "A ball was placed at corner 3 (Bottom-Right). At the end of the video, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.\n\n(A) 1\n(B) 2\n(C) 3\n(D) 4",
        "answer_type": "mcq",
        "choices": [
          "1",
          "2",
          "3",
          "4"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      },
      {
        "video_id": "0010_pt1",
        "video_path": "videos/self_recorded/tilt_box/0010_pt1.mp4",
        "video_source": "self_recorded",
        "source_task": "tilt_box",
        "question": "A ball was placed at corner 4 (Bottom-Left). At the end of the video, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.\n\n(A) 2\n(B) 3\n(C) 1\n(D) 4",
        "answer_type": "mcq",
        "choices": [
          "2",
          "3",
          "1",
          "4"
        ],
        "answer": "D",
        "answer_index": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic"
      }
    ],
    "tilt_v2": [
      {
        "video_id": "0001_pt1",
        "video_path": "videos/synthetic/tilt_v2/0001_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 4 (Bottom-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0002_pt1",
        "video_path": "videos/synthetic/tilt_v2/0002_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 1 (Top-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0003_pt1",
        "video_path": "videos/synthetic/tilt_v2/0003_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 3 (Bottom-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0004_pt1",
        "video_path": "videos/synthetic/tilt_v2/0004_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 2 (Top-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0005_pt1",
        "video_path": "videos/synthetic/tilt_v2/0005_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 1 (Top-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0006_pt1",
        "video_path": "videos/synthetic/tilt_v2/0006_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 3 (Bottom-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0007_pt1",
        "video_path": "videos/synthetic/tilt_v2/0007_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 3 (Bottom-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0008_pt1",
        "video_path": "videos/synthetic/tilt_v2/0008_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 2 (Top-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0009_pt1",
        "video_path": "videos/synthetic/tilt_v2/0009_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 1 (Top-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0010_pt1",
        "video_path": "videos/synthetic/tilt_v2/0010_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 1 (Top-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0011_pt1",
        "video_path": "videos/synthetic/tilt_v2/0011_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 2 (Top-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0012_pt1",
        "video_path": "videos/synthetic/tilt_v2/0012_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 2 (Top-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0013_pt1",
        "video_path": "videos/synthetic/tilt_v2/0013_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 4 (Bottom-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0014_pt1",
        "video_path": "videos/synthetic/tilt_v2/0014_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 4 (Bottom-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0015_pt1",
        "video_path": "videos/synthetic/tilt_v2/0015_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 1 (Top-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0016_pt1",
        "video_path": "videos/synthetic/tilt_v2/0016_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 3 (Bottom-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0017_pt1",
        "video_path": "videos/synthetic/tilt_v2/0017_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 1 (Top-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0018_pt1",
        "video_path": "videos/synthetic/tilt_v2/0018_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 2 (Top-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0019_pt1",
        "video_path": "videos/synthetic/tilt_v2/0019_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 3 (Bottom-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 2,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0020_pt1",
        "video_path": "videos/synthetic/tilt_v2/0020_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 4 (Bottom-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0021_pt1",
        "video_path": "videos/synthetic/tilt_v2/0021_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 1 (Top-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0022_pt1",
        "video_path": "videos/synthetic/tilt_v2/0022_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 2 (Top-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 3,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0023_pt1",
        "video_path": "videos/synthetic/tilt_v2/0023_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 2 (Top-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0024_pt1",
        "video_path": "videos/synthetic/tilt_v2/0024_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 2 (Top-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0025_pt1",
        "video_path": "videos/synthetic/tilt_v2/0025_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 2 (Top-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
          "occlusion"
        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
      {
        "video_id": "0026_pt1",
        "video_path": "videos/synthetic/tilt_v2/0026_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 3 (Bottom-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
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        "state_element_type": "location",
        "state_structure": "atomic",
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        "answer_index": null
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        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 1 (Top-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
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        "state_element_type": "location",
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        "answer_index": null
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        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 4 (Bottom-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
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        "state_element_type": "location",
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        "answer_index": null
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 1 (Top-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
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        "state_element_type": "location",
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        "answer_index": null
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
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        "state_element_type": "location",
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        "answer_index": null
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
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        "state_element_type": "location",
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        "answer_index": null
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
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        "answer": 3,
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        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
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        "video_id": "0033_pt1",
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 2 (Top-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
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        "perceptual_complexity": [
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        "state_element_type": "location",
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        "answer_index": null
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 4 (Bottom-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
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        "state_element_type": "location",
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        "answer_index": null
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 1 (Top-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
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        "state_element_type": "location",
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 2 (Top-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 1,
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        "state_element_type": "location",
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 4 (Bottom-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
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        "state_element_type": "location",
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        "answer_index": null
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 2 (Top-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
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        "state_element_type": "location",
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 2 (Top-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 1,
        "perceptual_complexity": [
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        "state_element_type": "location",
        "state_structure": "atomic",
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        "answer_index": null
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 3 (Bottom-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
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        "answer": 4,
        "perceptual_complexity": [
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        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
      },
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 1 (Top-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 4,
        "perceptual_complexity": [
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        "state_element_type": "location",
        "state_structure": "atomic",
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        "answer_index": null
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 1 (Top-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 1,
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        ],
        "state_element_type": "location",
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        "answer_index": null
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 3 (Bottom-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
        "answer_type": "numeric",
        "answer": 3,
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        "state_element_type": "location",
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        "answer_index": null
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 4 (Bottom-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
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        "answer": 1,
        "perceptual_complexity": [
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        "state_element_type": "location",
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        "answer_index": null
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 3 (Bottom-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
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        "answer": 4,
        "perceptual_complexity": [
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        ],
        "state_element_type": "location",
        "state_structure": "atomic",
        "choices": [],
        "answer_index": null
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        "video_path": "videos/synthetic/tilt_v2/0046_pt1.mp4",
        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 2 (Top-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
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        "state_element_type": "location",
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        "answer_index": null
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 1 (Top-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 3 (Bottom-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 2 (Top-Right). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
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        "video_source": "synthetic",
        "source_task": "tilt_v2",
        "question": "A ball was placed at corner 1 (Top-Left). After the lid was closed and the box was tilted 6 times, at which corner (1-4) is the ball now? Corner mapping: 1=Top-Left, 2=Top-Right, 3=Bottom-Right, 4=Bottom-Left.",
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        "state_element_type": "location",
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    ],
    "volleyball": [
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        "video_source": "youtube",
        "source_task": "volleyball",
        "question": "How many times is the ball hit in total?",
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        "youtube_url": "https://www.youtube.com/watch?v=I-r8MxcityM",
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        "start_sec": 17,
        "end_sec": 36,
        "choices": [],
        "answer_index": null
      },
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        "source_task": "volleyball",
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        "start_sec": 17,
        "end_sec": 36,
        "choices": [],
        "answer_index": null
      },
      {
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        "video_source": "youtube",
        "source_task": "volleyball",
        "question": "How many different players on the red team touch the ball",
        "answer_type": "numeric",
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        "youtube_id": "I-r8MxcityM",
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        "start_sec": 17,
        "end_sec": 36,
        "choices": [],
        "answer_index": null
      },
      {
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        "video_source": "youtube",
        "source_task": "volleyball",
        "question": "How many different players on the red team do not touch the ball?",
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        "youtube_title": "USA 🇺🇸 vs. Japan 🇯🇵 - Highlights | Week 3 | Men's VNL 2025",
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        "start_sec": 17,
        "end_sec": 36,
        "choices": [],
        "answer_index": null
      },
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        "video_source": "youtube",
        "source_task": "volleyball",
        "question": "How many different players on the white team touch the ball",
        "answer_type": "numeric",
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        "start_sec": 17,
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        "choices": [],
        "answer_index": null
      },
      {
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        "video_path": "videos/youtube/volleyball/0001_pt1.mp4",
        "video_source": "youtube",
        "source_task": "volleyball",
        "question": "How many different players on the white team do not touch the ball?",
        "answer_type": "numeric",
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        "start_sec": 17,
        "end_sec": 36,
        "choices": [],
        "answer_index": null
      },
      {
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        "video_path": "videos/youtube/volleyball/0001_pt10.mp4",
        "video_source": "youtube",
        "source_task": "volleyball",
        "question": "How many different players on the white team touch the ball",
        "answer_type": "numeric",
        "answer": 6,
        "perceptual_complexity": [
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        "state_element_type": "attribute",
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        "youtube_url": "https://www.youtube.com/watch?v=I-r8MxcityM",
        "youtube_id": "I-r8MxcityM",
        "youtube_title": "USA 🇺🇸 vs. Japan 🇯🇵 - Highlights | Week 3 | Men's VNL 2025",
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        "start_sec": 325,
        "end_sec": 355.067,
        "choices": [],
        "answer_index": null
      },
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