{
  "clip_id": "0043",
  "source_episode": "episode_037",
  "source_camera": "exterior1",
  "source_video": "/mnt/pfs/share/shentingrui/dataset/droid-100/episode_037/exterior1.mp4",
  "start_time_s": 8.0,
  "end_time_s": 27.0,
  "start_frame": 120,
  "end_frame_exclusive": 405,
  "duration_s": 19.0,
  "object_name": "orange pencil",
  "action_label": "pick_and_place",
  "description": "The robot arm descends to grasp an orange pencil lying on the white table, lifts it up, moves it laterally over to a mug, and places it inside the mug before releasing.",
  "evidence": "The gripper is clearly visible at both boundaries. The robot manipulates a single object (the orange pencil). The sequence shows a complete approach, grasp, lift, transport, and placement action.",
  "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
  }
}