(CP 
  (WHNP-2 
    (-NONE- *OP*))
                    
  (CP 
    (IP 
      (NP-SBJ 
        (-NONE- *T*-2))
                    
      (VP 
        (VV 冒名)
                    
        (NP-PN-OBJ 
          (NR 杨易夫))))
                    
    (DEC 的)))
                    
(NP 
  (NN 人)))
arg0: 
                    *T*-2 -> 人          
                
arg1: 
                    杨易夫