(IP 
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (VP 
      (ADVP 
        (AD 不仅))
                    
      (VP 
        (VV 成为)
                    
        (NP-OBJ 
          (DNP 
            (NP-PN 
              (NR 日本))
                    
            (DEG 的))
                    
          (NP 
            (NN 心腹大患)))))
                    
    (PU ，)
                    
    (VP 
      (ADVP 
        (AD 更))
                    
      (VP 
        (VC 是)
                    
        (NP-PRD 
          (CP 
            (WHNP-4 
              (-NONE- *OP*))
                    
            (CP 
              (IP 
                (NP-PN-SBJ 
                  (NR 台湾))
                    
                (VP 
                  (VV 艳羡)
                    
                  (NP-OBJ 
                    (-NONE- *T*-4))))
                    
              (DEC 的)))
                    
          (NP 
            (NN 对象)))))))
arg0: 
                    台湾 
                
arg1: 
                    *T*-4