{
  "video": "6.mp4",
  "task": "6",
  "instruction_index": 2,
  "total_instructions_for_video": 2,
  "instruction": {
    "category_label": "video_only",
    "category": "V2",
    "operation": "V2.1 Color Change",
    "prompt_en": "Change the t-shirt to blue.",
    "audio_label": {
      "audio_op": "none",
      "sound_type": "n/a",
      "edit_aspect": "n/a"
    },
    "difficulty": {
      "d1_object_localization": "hard",
      "d1_reason": "The instruction requires localizing a specific object (the t-shirt) on a person within the video frame.",
      "d2_audio_complexity": "simple",
      "d3_cross_modal_linkage": "none",
      "d3_reason": "This is a video-only instruction with no audio operation, so there are no cross-modal consequences."
    }
  }
}