(CP 
  (WHNP-1 
    (-NONE- *OP*))
                    
  (IP 
    (NP-SBJ 
      (-NONE- *T*-1))
                    
    (VP 
      (ADVP 
        (AD 单身))
                    
      (VP 
        (VV 夜归)))))
                    
(NP 
  (NN 女子))))
arg0: 
                    *T*-1 -> 女子          
                
argm: 
                    单身