{
  "messages": [
    {
      "role": "system",
      "content": "你是卫生间行为时序分析模型。真实值标注是最高标准。规则、空间区域、物体距离和先验知识仅作为辅助输入特征，不能替代真实值标注。请根据最近时间窗口轨迹，输出当前行为、是否为过渡态、当前行为已持续时长、预计剩余时长、全程剩余时长、预计结束时刻、下一可能行为、当前流程阶段，以及截至当前时刻已重建的行为序列 sequence_so_far。只输出JSON。"
    },
    {
      "role": "user",
      "content": "{\"task\":\"online_behavior_analysis_and_sequence_rebuild\",\"sample_id\":\"A9\",\"window_start\":0.0,\"window_end\":0.0,\"window_size\":0.0,\"full_sequence_order\":[\"进入\",\"门锁\",\"靠近马桶\",\"马桶盖\",\"站用马桶\",\"马桶盖\",\"靠近洗手池\",\"洗手\",\"垃圾桶\",\"靠近门\",\"门锁\",\"离开\"],\"background_knowledge\":{\"scene_objects\":[{\"name\":\"空间边界\",\"min\":[-50,0,0],\"max\":[50,110,200],\"semantic\":\"卫生间整体空间范围\"},{\"name\":\"门\",\"min\":[-20,0,0],\"max\":[40,0,188],\"semantic\":\"卫生间门体\"},{\"name\":\"门锁\",\"min\":[28,0,142],\"max\":[40,1,144],\"semantic\":\"门锁区域\"},{\"name\":\"门把手\",\"min\":[36,0,101.5],\"max\":[39,3,115.5],\"semantic\":\"门把手区域\"},{\"name\":\"镜子\",\"min\":[-50,7,118],\"max\":[-50,47,198],\"semantic\":\"镜前区域\"},{\"name\":\"马桶\",\"min\":[-4,67,0],\"max\":[26,104,37],\"semantic\":\"马桶区域\"},{\"name\":\"冲水键\",\"min\":[-23,109,69],\"max\":[-15,110,78],\"semantic\":\"冲水区域\"},{\"name\":\"洗手池\",\"min\":[-50,16,0],\"max\":[-22,60,78],\"semantic\":\"洗手池区域\"},{\"name\":\"垃圾桶\",\"min\":[-50,0,0],\"max\":[-23,16,78],\"semantic\":\"垃圾桶区域\"},{\"name\":\"卷筒厕纸盒\",\"min\":[-50,70,63],\"max\":[-37,92,76],\"semantic\":\"卷筒厕纸区域\"},{\"name\":\"马桶垫纸盒\",\"min\":[-50,62,77],\"max\":[-44,100,102],\"semantic\":\"马桶垫纸区域\"},{\"name\":\"擦手纸巾盒\",\"min\":[-50,36,97],\"max\":[-42,47.5,115.5],\"semantic\":\"擦手纸巾区域\"},{\"name\":\"牙刷区\",\"min\":[-50,16,78],\"max\":[-22,60,120],\"semantic\":\"刷牙区域\"}],\"rules\":{\"priority_rule\":\"真实值标注是最高标准。规则、空间区域、物体距离和先验知识仅作为辅助输入特征，不能替代真实值标注。\",\"posture_rule\":\"Z<=90 判为坐姿，90<Z<=140 判为弯腰，Z>140 判为站立。\",\"distance_rule\":\"当非坐姿时，Y<=30 判为近，否则判为远。\",\"side_rule\":\"X<0 判为左侧，否则判为右侧。\",\"transition_rule\":\"姿态切换可视为坐下、起身等过渡；空间切换可视为靠近门、靠近马桶、靠近洗手池。\",\"special_behavior_rule\":\"刷牙、折返、犹豫属于特殊行为标签。\"},\"label_space\":[\"进入\",\"门锁\",\"靠近马桶\",\"马桶盖\",\"马桶垫纸\",\"坐下\",\"坐用马桶\",\"站用马桶\",\"卷筒厕纸\",\"起身\",\"冲水\",\"靠近洗手池\",\"洗手\",\"垃圾桶\",\"整理\",\"靠近门\",\"离开\",\"刷牙\",\"折返\",\"犹豫\"]},\"trajectory_window\":[{\"time\":0.0,\"x\":10.0,\"y\":15.0,\"z\":133.0,\"posture\":\"弯腰\",\"y_region\":\"近\",\"x_region\":\"右\",\"rule_behavior_hint\":\"未知规则提示\",\"top3_objects\":[{\"name\":\"门\",\"distance\":15.0},{\"name\":\"门锁\",\"distance\":24.5153},{\"name\":\"门把手\",\"distance\":33.5596}],\"speed\":0.0},{\"time\":0.0,\"x\":14.0,\"y\":15.0,\"z\":142.0,\"posture\":\"站立\",\"y_region\":\"近\",\"x_region\":\"右\",\"rule_behavior_hint\":\"门锁\",\"top3_objects\":[{\"name\":\"门\",\"distance\":15.0},{\"name\":\"门锁\",\"distance\":19.799},{\"name\":\"门把手\",\"distance\":36.4726}],\"speed\":-2.0},{\"time\":0.0,\"x\":21.0,\"y\":17.0,\"z\":149.0,\"posture\":\"站立\",\"y_region\":\"近\",\"x_region\":\"右\",\"rule_behavior_hint\":\"门锁\",\"top3_objects\":[{\"name\":\"门\",\"distance\":17.0},{\"name\":\"门锁\",\"distance\":18.1659},{\"name\":\"门把手\",\"distance\":39.2842}],\"speed\":-8.0}]}"
    }
  ]
}