(IP 
  (NP-SBJ 
    (PN 他们))
                    
  (VP 
    (VP 
      (VV 分为)
                    
      (NP-OBJ 
        (QP 
          (CD ５)
                    
          (CLP 
            (M 个)))
                    
        (NP 
          (NN 小组))))
                    
    (PU ，)
                    
    (VP 
      (ADVP 
        (AD 共))
                    
      (VP 
        (VV 约见)
                    
        (AS 了)
                    
        (NP-OBJ 
          (QP 
            (ADVP 
              (AD 约))
                    
            (QP 
              (CD １５０)
                    
              (CLP 
                (M 位))))
                    
          (NP 
            (NN 议员)
                    
            (CC 或)
                    
            (NN 议员)
                    
            (NN 助手)
                    
            (CC 以及)
                    
            (NN 政府)
                    
            (NN 官员)))))
                    
    (PU ，)
                    
    (VP 
      (PP-MNR 
        (P 用)
                    
        (NP 
          (CP-APP 
            (IP 
              (NP-SBJ 
                (PN 他们))
                    
              (VP 
                (PP-LOC 
                  (P 在)
                    
                  (NP-PN 
                    (NR 中国)))
                    
                (VP 
                  (VP 
                    (VV 投资))
                    
                  (VP 
                    (VV 办)
                    
                    (NP-OBJ 
                      (NN 企业))))))
                    
            (DEC 的))
                    
          (NP 
            (NN 经验))))
                    
      (PU ，)
                    
      (VP 
        (VV 阐述)
                    
        (NP-OBJ 
          (CP-APP 
            (IP 
              (NP-SBJ 
                (-NONE- *pro*))
                    
              (VP 
                (VV 延长)
                    
                (IP-OBJ 
                  (NP-SBJ 
                    (-NONE- *pro*))
                    
                  (VP 
                    (VV 给)
                    
                    (NP-PN-IO 
                      (NR 中国))
                    
                    (NP-OBJ 
                      (NN 贸易)
                    
                      (NN 最惠国)
                    
                      (NN 待遇))))))
                    
            (DEC 的))
                    
          (NP 
            (NN 必要性)))))))
arg0: 
                    他们 
                
arg1: 
                    约 １５０ 位 议员 或 议员 助手 以及 政府 官员 
                
argm: 
                    共