(NP-OBJ-2 
  (CP 
    (WHNP-1 
      (-NONE- *OP*))
                    
    (CP 
      (IP 
        (NP-SBJ 
          (-NONE- *pro*))
                    
        (VP 
          (VV 囤积)
                    
          (NP-OBJ 
            (-NONE- *T*-1))))
                    
      (DEC 的)))
                    
  (NP 
    (NN 持仓)))
arg0: 
                    *pro* 
                
arg1: 
                    *T*-1