{
  "clip_id": "0046",
  "source_episode": "episode_039",
  "source_camera": "exterior1",
  "source_video": "/mnt/pfs/share/shentingrui/dataset/droid-100/episode_039/exterior1.mp4",
  "start_time_s": 18.0,
  "end_time_s": 22.2,
  "start_frame": 270,
  "end_frame_exclusive": 333,
  "duration_s": 4.199999999999999,
  "object_name": "yellow block",
  "action_label": "pick_and_place",
  "description": "The robot arm grasps a yellow block from a black bowl, lifts it out, moves it to the right side of the table, and places it down next to other blocks.",
  "evidence": "The gripper is visible holding the yellow block throughout the main action sequence, moving 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
  }
}