{
  "clip_id": "0045",
  "source_episode": "episode_039",
  "source_camera": "exterior1",
  "source_video": "/mnt/pfs/share/shentingrui/dataset/droid-100/episode_039/exterior1.mp4",
  "start_time_s": 0.2,
  "end_time_s": 9.3,
  "start_frame": 3,
  "end_frame_exclusive": 140,
  "duration_s": 9.100000000000001,
  "object_name": "red block",
  "action_label": "pick_and_place",
  "description": "The robot arm descends towards a bowl, grasps a red block, lifts it out, moves it to the open area of the table, and places it down.",
  "evidence": "The robot gripper is visible at the start and end of the clip. The robot successfully manipulates a single red block from the bowl to the table surface.",
  "quality": {
    "gripper_visible_start": true,
    "gripper_visible_end": true,
    "motion_smooth": true,
    "single_object_only": true,
    "object_clear": true,
    "meaningful_successful_action": true
  },
  "vlm": {
    "provider": "qwen",
    "verification_confidence": 0.95
  }
}