(CP 
  (WHNP-1 
    (-NONE- *OP*))
                    
  (CP 
    (IP 
      (NP-SBJ 
        (-NONE- *T*-1))
                    
      (VP 
        (VP 
          (VV 尾随)
                    
          (LCP-OBJ 
            (NP 
              (NN 车))
                    
            (LC 后)))
                    
        (VP 
          (VV 跟货))))
                    
    (DEC 的)))
                    
(QP 
  (CD 一)
                    
  (CLP 
    (M 对)))
                    
(NP 
  (NN 男女)))
arg0: 
                    *T*-1 -> 男女          
                
arg1: 
                    车 后