(IP 
  (ADVP 
    (AD 而))
                    
  (NP-SBJ 
    (CP 
      (WHNP-1 
        (-NONE- *OP*))
                    
      (CP 
        (IP 
          (NP-SBJ 
            (-NONE- *pro*))
                    
          (VP 
            (LCP-LOC 
              (NP 
                (ADJP 
                  (JJ 超级))
                    
                (NP 
                  (NN 市场)))
                    
              (LC 中))
                    
            (VP 
              (VRD 
                (VV 购货)
                    
                (VV 回来))
                    
              (NP-OBJ 
                (-NONE- *T*-1)))))
                    
        (DEC 的)))
                    
    (NP 
      (NN 塑胶袋)))
                    
  (VP 
    (ADVP 
      (AD 就))
                    
    (VP 
      (VC 是)
                    
      (NP-PRD 
        (CP 
          (WHNP-2 
            (-NONE- *OP*))
                    
          (CP 
            (IP 
              (NP-SBJ 
                (-NONE- *T*-2))
                    
              (VP 
                (ADVP 
                  (AD 最))
                    
                (VP 
                  (VA 好))))
                    
            (DEC 的)))
                    
        (NP 
          (NN 垃圾袋))))))
arg0: 
                    *pro* 
                
argm: 
                    超级 市场 中