(CP 
  (WHNP-1 
    (-NONE- *OP*))
                    
  (CP 
    (IP 
      (NP-SBJ 
        (-NONE- *pro*))
                    
      (VP 
        (NP-MNR 
          (-NONE- *T*-1))
                    
        (VP 
          (VV 作案))))
                    
    (DEC 的)))
                    
(NP 
  (NN 手法)))
arg0: 
                    *pro*          
                
argm: 
                    *T*-1 -> 手法