(CP 
  (WHPP-3 
    (-NONE- *OP*))
                    
  (CP 
    (IP 
      (NP-SBJ 
        (-NONE- *pro*))
                    
      (VP 
        (PP-MNR 
          (-NONE- *T*-3))
                    
        (VP 
          (VV 吃奶))))
                    
    (DEC 的)))
                    
(NP 
  (NN 力气))))))
arg0: 
                    *pro*          
                
argm: 
                    *T*-3 -> 力气