(CP 
  (WHNP-3 
    (-NONE- *OP*))
                    
  (CP 
    (IP 
      (NP-SBJ 
        (-NONE- *T*-3))
                    
      (VP 
        (ADVP 
          (AD 刚))
                    
        (VP 
          (VV 学步))))
                    
    (DEC 的)))
                    
(NP 
  (NN 小朋友))))
arg0: 
                    *T*-3 ->  小朋友          
                
argm: 
                    刚