(NP-TMP 
  (DP 
    (DT 这))
                    
  (NP 
    (NN 时候)))
                    
(NP-SBJ 
  (CP 
    (WHNP-1 
      (-NONE- *OP*))
                    
    (CP 
      (IP 
        (NP-SBJ 
          (-NONE- *T*-1))
                    
        (VP 
          (VV 面朝)
                    
          (NP-PN-OBJ 
            (NR 深水路))))
                    
      (DEC 的)))
                    
  (NP 
    (NN 帮凶)))
                    
(PU ，)
                    
(VP 
  (VP 
    (VV 要求)
                    
    (NP-OBJ 
      (NN 被害人))
                    
    (IP 
      (NP-SBJ 
        (-NONE- *PRO*))
                    
      (VP 
        (VV 帮忙)
                    
        (IP-OBJ 
          (NP-SBJ 
            (-NONE- *PRO*))
                    
          (VP 
            (VV 丢)
                    
            (NP-OBJ 
              (QP 
                (CD 一)
                    
                (CLP 
                  (M 包)))
                    
              (NP 
                (NN 水泥))))))))
                    
  (PU ，)
                    
  (VP 
    (ADVP 
      (AD 并且))
                    
    (PP-MNR 
      (P 趁)
                    
      (LCP 
        (IP 
          (NP-SBJ 
            (NN 被害人))
                    
          (VP 
            (VV 不备)))
                    
        (LC 时)))
                    
    (VP 
      (VP 
        (VV 拿出)
                    
        (NP-OBJ 
          (CP 
            (WHNP-2 
              (-NONE- *OP*))
                    
            (CP 
              (IP 
                (NP-SBJ 
                  (-NONE- *pro*))
                    
                (VP 
                  (ADVP 
                    (AD 事先))
                    
                  (VP 
                    (VRD 
                      (VV 准备)
                    
                      (VA 好))
                    
                    (NP-OBJ 
                      (-NONE- *T*-2)))))
                    
              (DEC 的)))
                    
          (NP 
            (NN 铁锤))))
                    
      (VP 
        (VV 敲打)
                    
        (NP-OBJ 
          (DNP 
            (NP 
              (NN 被害人))
                    
            (DEG 的))
                    
          (NP 
            (NN 头部))))))))
argm: 
                    这 时候          
                
arg0: 
                    面朝 深水路 的 帮凶          
                
argm: 
                    并且          
                
argm: 
                    趁 被害人 不备 时          
                
arg1: 
                    被害人 的 头部