(IP 
  (NP-SBJ 
    (PN 这))
                    
  (VP 
    (VC 是)
                    
    (IP-PRD 
      (PP-TMP 
        (P 自)
                    
        (LCP 
          (IP 
            (NP-PN-SBJ 
              (NR 美国))
                    
            (VP 
              (NP-TMP 
                (NT 最近))
                    
              (VP 
                (VV 袭击)
                    
                (NP-PN-OBJ 
                  (NR 伊拉克)))))
                    
          (LC 以来)))
                    
      (NP-SBJ 
        (NP-PN 
          (NR 俄)
                    
          (NR 美))
                    
        (NP 
          (NN 领导人)))
                    
      (VP 
        (QP-ADV 
          (OD 首)
                    
          (CLP 
            (M 次)))
                    
        (VP 
          (VV 对话))))))
arg0: 
                    美国 
                
arg1: 
                    伊拉克 
                
argm: 
                    最近