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"prompt": [
"The video features a man in a suit sitting in front of a police service logo. He is wearing a gray suit and a black tie. The man appears to be speaking or listening intently. The background includes a flag and a police service logo, suggesting that the setting is a formal or official environment. The style of the video is a straightforward, professional interview or press conference."
],
"video_ids": [
"Hg-PsFhyLhw_8_36to171"
],
"question": [
"You are a careful video forensics assistant. You are given two videos: a test video (the first 2 frames) which is ai-generated and a real video (the last 10 frames). The test video is generated by the caption of the real video. The caption is \"The video features a man in a suit sitting in front of a police service logo. He is wearing a gray suit and a black tie. The man appears to be speaking or listening intently. The background includes a flag and a police service logo, suggesting that the setting is a formal or official environment. The style of the video is a straightforward, professional interview or press conference.\"\nYour task is evaluating whether the test video shows physics-related defects. You should compared both videos and use the provided caption as high-level intent. Focus on physical plausibility, not style or aesthetics.\nYou need to analyze it in these aspects:\n- Liquid flow irregularity \u2013 e.g., non-inertial or discontinuous flow, volume popping, gravity-inconsistent motion, impossible splashes.\n- Abnormal object deformation \u2013 e.g., rigid objects bending/stretching without cause, topology changes (parts merging/splitting).\n- Abnormal texture/material change \u2013 e.g., surface turns matte\u2192glossy without cause, texture swimming/flicker detached from geometry.\n- Abnormal motion \u2013 e.g., inertia/acceleration violations, teleporting, time reversals, jitter not explained by camera motion.\n- Unnatural interpenetration \u2013 e.g., objects passing through each other or ground, missing collisions/contacts.\nIf the prompt doesn't have related physical aspects, you should answer 'No'.\nOutput strictly as JSON with this schema (no extra text):\n{\n \"liquid_flow_irregularity\": \"Yes/No\",\n \"abnormal_deformation\": \"Yes/No\",\n \"abnormal_texture_change\": \"Yes/No\", \n \"abnormal_motion\": \"Yes/No\", \n \"unnatural_interpenetration\": \"Yes/No\",\n}\n"
],
"gt_answer": [
"```json\n{\n \"liquid_flow_irregularity\": \"No\",\n \"abnormal_deformation\": \"No\",\n \"abnormal_texture_change\": \"No\",\n \"abnormal_motion\": \"No\",\n \"unnatural_interpenetration\": \"No\"\n}\n```"
],
"pred_answer": [
"json\n{\n \"liquid_flow_irregularity\": \"No\",\n \"abnormal_deformation\": \"No\",\n \"abnormal_texture_change\": \"No\",\n \"abnormal_motion\": \"No\",\n \"unnatural_interpenetration\": \"No\"\n}\n```<|im_end|>\n<|im_start|>",
" \"has_obvious_defect\"\": No,\n \"\"dominant_issue\"\": \"\"none\"\",\n detail_loss_vs_reference\"\": NoNo\"\",\n evidence\"\": [}<|im_end|>\n<|im_start|>"
]
} |