(IP 
  (NP-SBJ 
    (NN 狼))
                    
  (VP 
    (VP 
      (PP-LOC 
        (P 在)
                    
        (LCP 
          (NP 
            (DNP 
              (NP 
                (NN 直升机)
                    
                (NN 猎枪))
                    
              (DEG 的))
                    
            (NP 
              (NN 扫射)))
                    
          (LC 下)))
                    
      (ADVP 
        (AD 仓惶))
                    
      (VP 
        (VV 奔逃)))
                    
    (PU ，)
                    
    (VP 
      (ADVP 
        (AD 却))
                    
      (ADVP 
        (AD 不))
                    
      (VP 
        (VV 忘)
                    
        (IP-OBJ 
          (NP-SBJ 
            (-NONE- *PRO*))
                    
          (VP 
            (VSB 
              (VV 回头)
                    
              (VV 凝视))
                    
            (NP-OBJ 
              (CP 
                (WHNP-1 
                  (-NONE- *OP*))
                    
                (CP 
                  (IP 
                    (NP-SBJ 
                      (-NONE- *T*-1))
                    
                    (VP 
                      (VV 倒卧)
                    
                      (PP-LOC 
                        (P 在)
                    
                        (LCP 
                          (NP 
                            (NN 血泊))
                    
                          (LC 中)))))
                    
                  (DEC 的)))
                    
              (ADJP 
                (JJ 终生))
                    
              (NP 
                (NN 伴侣)))))))))
arg1: 
                    狼 
                
arg2: 
                    直升机 猎枪