(NP-SBJ 
  (-NONE- *PRO*))
                    
(VP 
  (PP-MNR 
    (P 以)
                    
    (NP 
      (NN 机车)
                    
      (NN 大锁)
                    
      (PU 、)
                    
      (NN 西瓜刀)))
                    
  (VP 
    (VSB 
      (VV 斗殴)
                    
      (VV 寻仇))))))
arg0: 
                    *PRO*          
                
argm: 
                    以 机车 大锁 、 西瓜刀