(IP 
  (NP-SBJ 
    (CP 
      (WHNP-1 
        (-NONE- *OP*))
                    
      (IP 
        (NP-SBJ 
          (-NONE- *T*-1))
                    
        (VP 
          (VV 来自)
                    
          (NP-OBJ 
            (NP 
              (NN 世界))
                    
            (DP 
              (DT 各))
                    
            (NP 
              (NN 地))))))
                    
    (QP 
      (ADVP 
        (AD 超过))
                    
      (QP 
        (CD 四千)
                    
        (CLP 
          (M 名))))
                    
    (NP 
      (NN 嘉宾)))
                    
  (VP 
    (NP-TMP 
      (NT 今日)
                    
      (PRN 
        (PU （)
                    
        (NP 
          (NT 星期二))
                    
        (PU ）)))
                    
    (VP 
      (VP 
        (VV 聚首一堂))
                    
      (PU ，)
                    
      (VP 
        (VV 出席)
                    
        (NP-OBJ 
          (DNP 
            (NP 
              (NP-PN 
                (NR 中华)
                    
                (NN 人民)
                    
                (NN 共和国))
                    
              (NP-PN 
                (NP-PN 
                  (NR 香港))
                    
                (ADJP 
                  (JJ 特别))
                    
                (NP 
                  (NN 行政区))))
                    
            (DEG 的))
                    
          (NP 
            (NN 成立)
                    
            (NN 庆典)))))))
arg0: 
                    *OP* *T*-1 来自 世界 各 地 超过 四千 名 嘉宾 
                
argm: 
                    今日 （ 星期二 ）