(NP-SBJ 
  (CP 
    (WHNP-1 
      (-NONE- *OP*))
                    
    (CP 
      (IP 
        (NP-SBJ 
          (NN 首脑)
                    
          (NN 会议))
                    
        (VP 
          (PP-DIR 
            (P 对)
                    
            (NP-PN 
              (NR 以色列)))
                    
          (VP 
            (VV 采取)
                    
            (NP-OBJ 
              (-NONE- *T*-1)))))
                    
      (DEC 的)))
                    
  (NP 
    (NN 行动)))
                    
(VP 
  (ADVP 
    (AD 还))
                    
  (VP 
    (VA 不够)))))
arg0: 
                    首脑 会议 对 以色列 采取 的 行动          
                
argm: 
                    还