(IP 
  (IP-CND 
    (NP-TMP 
      (NT 现在))
                    
    (NP-SBJ 
      (DNP 
        (NP-PN 
          (NR 美国))
                    
        (DEG 的))
                    
      (NP 
        (NN 空袭)))
                    
    (VP 
      (ADVP 
        (CS 虽))
                    
      (ADVP 
        (AD 已))
                    
      (VP 
        (VV 告)
                    
        (NP-OBJ 
          (QP 
            (CD 一))
                    
          (NP 
            (NN 段落))))))
                    
  (PU ，)
                    
  (ADVP 
    (AD 但))
                    
  (NP-PN-SBJ 
    (NR 克林顿))
                    
  (VP 
    (VP 
      (VV 宣布)
                    
      (IP-OBJ 
        (NP-PN-SBJ 
          (NR 美国))
                    
        (VP 
          (ADVP 
            (AD 仍))
                    
          (VP 
            (VV 要)
                    
            (VP 
              (PP-LOC 
                (P 在)
                    
                (NP-PN 
                  (NR 波斯湾)))
                    
              (VP 
                (VV 保持)
                    
                (NP-OBJ 
                  (CP 
                    (WHNP-1 
                      (-NONE- *OP*))
                    
                    (CP 
                      (IP 
                        (NP-SBJ 
                          (-NONE- *T*-1))
                    
                        (VP 
                          (VA 强大)))
                    
                      (DEC 的)))
                    
                  (NP 
                    (NN 军事)
                    
                    (NN 实力)))))))))
                    
    (PU ，)
                    
    (CC 并)
                    
    (VP 
      (VV 扬言)
                    
      (IP-OBJ 
        (NP-SBJ 
          (-NONE- *PRO*))
                    
        (VP 
          (LCP-TMP 
            (IP 
              (NP-SBJ 
                (-NONE- *pro*))
                    
              (VP 
                (VV 必要)))
                    
            (LC 时))
                    
          (ADVP 
            (AD 将))
                    
          (ADVP 
            (AD 再次))
                    
          (VP 
            (VV 使用)
                    
            (NP-OBJ 
              (NN 武力))))))))
arg0: 
                    克林顿 
                
arg1: 
                    *PRO* *pro* 必要 时 将 再次 使用 武力 
                
argm: 
                    但 
                
argm: 
                    现在 美国 的 空袭 虽 已 告 一 段落