{
  "video": "2.mp4",
  "instruction_index": 2,
  "base_name": "2.e2_caption",
  "caption": "Visual caption: The clip opens with a medium, slightly high-angle shot of a person cutting a large sheet of light-colored plywood with a hand saw. The person, wearing a grey graphic t-shirt and dark shorts, uses their right hand to push and pull the saw while their left hand rests flat on the wood for stability. The camera is mostly static with minor handheld shake. In the background, parts of a building exterior and a green plastic chair are visible. Cut to a low-angle shot taken from underneath the plywood, looking upwards. The saw blade is now seen protruding through the bottom of the wood, continuing its back-and-forth cutting motion. A wooden support beam runs beneath the plywood. In the background, the person's lower legs and feet, wearing black flip-flops, are visible standing on a concrete surface. The camera remains static in this second shot.\nAudio caption: The audio consists primarily of the loud, rhythmic, and harsh scraping sound of a hand saw cutting through wood, which continues steadily throughout the entire clip. Beneath the dominant sawing noise, a faint, muffled male voice can be heard speaking calmly in the background, though the words are unintelligible. There is also a subtle layer of ambient outdoor noise, possibly distant wind or faint activity, but the sawing sound remains the most prominent audio element from start to finish, bridging the visual cut seamlessly.",
  "edit_prompt": "Replace the hand saw with a power saw.",
  "edit_type": "video_only_object_or_action_edit",
  "timestamp": "20260626_143500",
  "edit_category": "joint",
  "questions": [
    {
      "question_id": "Q01",
      "dimension": "Edit Response",
      "subdimension": "edit_response",
      "modality_tag": "video",
      "question": "Does the target video contain any visible change compared with the source video?"
    },
    {
      "question_id": "Q02",
      "dimension": "Edit Response",
      "subdimension": "edit_response",
      "modality_tag": "audio",
      "question": "Does the target audio contain any audible change compared with the source audio?"
    },
    {
      "question_id": "Q03",
      "dimension": "Instruction Following",
      "subdimension": "instruction_correctness",
      "modality_tag": "video",
      "question": "Does the target video show a power saw being used to cut the plywood?"
    },
    {
      "question_id": "Q04",
      "dimension": "Instruction Following",
      "subdimension": "instruction_correctness",
      "modality_tag": "video",
      "question": "Is the power saw visible in both the initial high-angle shot and the subsequent low-angle shot from underneath?"
    },
    {
      "question_id": "Q05",
      "dimension": "Instruction Following",
      "subdimension": "instruction_correctness",
      "modality_tag": "video",
      "question": "Is the original hand saw completely absent from the target video?"
    },
    {
      "question_id": "Q06",
      "dimension": "Instruction Following",
      "subdimension": "instruction_correctness",
      "modality_tag": "audio",
      "question": "Does the target audio contain the motorized sound of a power saw?"
    },
    {
      "question_id": "Q07",
      "dimension": "Instruction Following",
      "subdimension": "instruction_correctness",
      "modality_tag": "audio",
      "question": "Does the motorized power saw sound play continuously throughout the cutting action across both shots?"
    },
    {
      "question_id": "Q08",
      "dimension": "Instruction Following",
      "subdimension": "instruction_correctness",
      "modality_tag": "audio",
      "question": "Is the original rhythmic scraping sound of the hand saw completely absent from the target audio?"
    },
    {
      "question_id": "Q09",
      "dimension": "Fidelity",
      "subdimension": "non_edit_preservation",
      "modality_tag": "video",
      "question": "Is the person preserved with the same grey graphic t-shirt, dark shorts, and black flip-flops as the source?"
    },
    {
      "question_id": "Q10",
      "dimension": "Fidelity",
      "subdimension": "non_edit_preservation",
      "modality_tag": "video",
      "question": "Is the light-colored plywood and wooden support beam preserved with the same shape, texture, and size as the source?"
    },
    {
      "question_id": "Q11",
      "dimension": "Fidelity",
      "subdimension": "non_edit_preservation",
      "modality_tag": "video",
      "question": "Are the camera movements, the transition from the high-angle to the low-angle shot, and the framing preserved to match the source?"
    },
    {
      "question_id": "Q12",
      "dimension": "Fidelity",
      "subdimension": "non_edit_preservation",
      "modality_tag": "audio",
      "question": "Is the faint, muffled male voice speaking calmly preserved in the background with no significant change?"
    },
    {
      "question_id": "Q13",
      "dimension": "Fidelity",
      "subdimension": "non_edit_preservation",
      "modality_tag": "audio",
      "question": "Is the subtle ambient outdoor noise preserved with no significant change?"
    },
    {
      "question_id": "Q14",
      "dimension": "Fidelity",
      "subdimension": "hallucination_control",
      "modality_tag": "video",
      "question": "Is the target video free of any unrequested added objects, subtitles, text, logos, or watermarks?"
    },
    {
      "question_id": "Q15",
      "dimension": "Fidelity",
      "subdimension": "hallucination_control",
      "modality_tag": "audio",
      "question": "Is the target audio free of any unrequested added background music, unrelated voiceovers, or unrelated sound effects?"
    }
  ],
  "evaluation_definitions": {},
  "success": true
}