{
  "clip_id": "0029",
  "source_episode": "episode_025",
  "source_camera": "exterior1",
  "source_video": "/mnt/pfs/share/shentingrui/dataset/droid-100/episode_025/exterior1.mp4",
  "start_time_s": 10.0,
  "end_time_s": 14.3,
  "start_frame": 150,
  "end_frame_exclusive": 215,
  "duration_s": 4.300000000000001,
  "object_name": "green block",
  "action_label": "pick_and_place",
  "description": "The robot reaches for a green block situated on top of an orange block, grasps it, lifts it up, moves it to the right side of the table, and places it on top of a stack of dark blocks.",
  "evidence": "The robot arm and gripper are clearly visible throughout the action. The green block is the sole object being manipulated from the left stack to the right stack. The motion is continuous and results in a successful placement.",
  "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
  }
}