{
  "video": "3.mp4",
  "task": "3",
  "instruction_index": 1,
  "total_instructions_for_video": 2,
  "instruction": {
    "category_label": "joint",
    "category": "J1",
    "operation": "J1.2 VFX Sync",
    "prompt_en": "Add a visible cloud of dust rising with each sweep; synchronize a subtle 'poof' sound with each dust cloud.",
    "audio_label": {
      "audio_op": "add",
      "sound_type": "event_sfx",
      "edit_aspect": "content"
    },
    "difficulty": {
      "d1_object_localization": "hard",
      "d1_reason": "The edit requires precisely locating the broom head and its interaction with the ground to add the dust effect.",
      "d2_audio_complexity": "simple",
      "d3_cross_modal_linkage": "explicit",
      "d3_reason": "The instruction explicitly describes both the visual effect (dust cloud) and the corresponding audio effect ('poof' sound)."
    }
  }
}