(IP 
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (IP-ADV 
      (NP-SBJ 
        (-NONE- *PRO*))
                    
      (VP 
        (PP-DIR 
          (P 从)
                    
          (NP-PN 
            (NR 香港)
                    
            (NN 机场)))
                    
        (VP 
          (VV 坐上)
                    
          (NP-OBJ 
            (CP 
              (WHNP-1 
                (-NONE- *OP*))
                    
              (CP 
                (IP 
                  (NP-SBJ 
                    (NN 台商))
                    
                  (VP 
                    (VV 专营)
                    
                    (NP-OBJ 
                      (-NONE- *T*-1))))
                    
                (DEC 的)))
                    
            (NP-PN 
              (PU 「)
                    
              (NR 通宝)
                    
              (PU 」))
                    
            (NP 
              (NN 巴士))))))
                    
    (VP 
      (VV 可以)
                    
      (VP 
        (ADVP 
          (AD 直))
                    
        (VP 
          (VV 通)
                    
          (NP-PN-OBJ 
            (NR 东莞)))))))
arg0: 
                    台商 
                
arg1: 
                    *T*-1