( 
  (IP 
    (IP-ADV 
      (NP-SBJ 
        (-NONE- *PRO*))
                    
      (VP 
        (PP-DIR 
          (P 在)
                    
          (NP 
            (NN 伊拉克人)))
                    
        (VP 
          (VV 看来))))
                    
    (PU ，)
                    
    (NP-SBJ 
      (CP 
        (WHNP-1 
          (-NONE- *OP*))
                    
        (CP 
          (IP 
            (NP-SBJ 
              (-NONE- *T*-1))
                    
            (VP 
              (VCD 
                (VV 旷日)
                    
                (VV 持久))))
                    
          (DEC 的)))
                    
      (NP 
        (NN 武器)
                    
        (NN 核查)))
                    
    (VP 
      (ADVP 
        (AD 已))
                    
      (VP 
        (VV 成为)
                    
        (NP-OBJ 
          (CP 
            (WHPP-2 
              (-NONE- *OP*))
                    
            (CP 
              (IP 
                (NP-PN-SBJ 
                  (NR 美国))
                    
                (VP 
                  (PP-MNR 
                    (-NONE- *T*-2))
                    
                  (VP 
                    (VP 
                      (VV 制造)
                    
                      (NP-OBJ 
                        (NN 危机)))
                    
                    (PU ，)
                    
                    (VP 
                      (VV 达到)
                    
                      (IP-OBJ 
                        (NP-SBJ 
                          (-NONE- *PRO*))
                    
                        (VP 
                          (VV 阻挠)
                    
                          (IP-OBJ 
                            (NP-SBJ 
                              (-NONE- *PRO*))
                    
                            (VP 
                              (PP-DIR 
                                (P 对)
                    
                                (NP-PN 
                                  (NR 伊)))
                    
                              (VP 
                                (VV 解除)
                    
                                (NP-OBJ 
                                  (NN 制裁)))))))))))
                    
              (DEC 的)))
                    
          (NP 
            (NN 政治)
                    
            (NN 工具)))))
                    
    (PU 。)))
arg0: 
                    *T*-1