(IP 
  (PP-DIR 
    (P 对)
                    
    (NP 
      (CP 
        (WHNP-6 
          (-NONE- *OP*))
                    
        (CP 
          (IP 
            (NP-SBJ 
              (-NONE- *T*-6))
                    
            (VP 
              (ADVP 
                (AD 不))
                    
              (VP 
                (VV 能)
                    
                (VP 
                  (VV 提供)
                    
                  (NP-OBJ 
                    (ADJP 
                      (JJ 合法))
                    
                    (NP 
                      (NN 证明)))))))
                    
          (DEC 的)))
                    
      (NP 
        (NN 货物))))
                    
  (PU ，)
                    
  (NP-SBJ 
    (NN 海关))
                    
  (VP 
    (VP 
      (VE 有)
                    
      (NP-OBJ 
        (NN 权))
                    
      (IP 
        (NP-SBJ 
          (-NONE- *PRO*))
                    
        (VP 
          (VV 予以)
                    
          (VP 
            (VV 退运)))))))
arg0: 
                    *PRO*