(IP 
  (ADVP 
    (AD 所以))
                    
  (PU ，)
                    
  (NP-PN-SBJ 
    (NR 美)
                    
    (NR 英))
                    
  (VP 
    (ADVP 
      (AD 一再))
                    
    (VP 
      (VV 劝说)
                    
      (NP-OBJ 
        (NP-PN 
          (NR 塞))
                    
        (NP 
          (NN 当局)))
                    
      (IP 
        (NP-SBJ 
          (-NONE- *PRO*))
                    
        (VP 
          (VV 取消)
                    
          (NP-OBJ 
            (NN 导弹)
                    
            (NN 协议)))))))
arg0: 
                    美 英 	  
                
arg1: 
                    塞 当局 	  
                
arg2: 
                    *PRO* 取消 导弹 协议 	  
                
argm: 
                    一再 	  
                
argm: 
                    所以