{
  "video": "6.mp4",
  "task": "6",
  "instruction_index": 1,
  "total_instructions_for_video": 2,
  "instruction": {
    "category_label": "audio_only",
    "category": "A1",
    "operation": "A1.1 Ambience & Room Tone",
    "prompt_en": "Add background sounds of distant cities, such as the sound of cars and the hustle and bustle of crowds.",
    "audio_label": {
      "audio_op": "add",
      "sound_type": "ambient",
      "edit_aspect": "scene"
    },
    "difficulty": {
      "d1_object_localization": "easy",
      "d1_reason": "This is an audio-only instruction and does not require visual object localization for editing.",
      "d2_audio_complexity": "simple",
      "d3_cross_modal_linkage": "explicit",
      "d3_reason": "The instruction is audio-only and explicitly describes the audio change without implying a visual change in the current frame."
    }
  }
}