(IP 
  (NP-SBJ 
    (NN 中年))
                    
  (VP 
    (VC 是)
                    
    (NP-PRD 
      (CP 
        (WHNP-1 
          (-NONE- *OP*))
                    
        (CP 
          (IP 
            (NP-TPC 
              (-NONE- *T*-1))
                    
            (NP-SBJ 
              (-NONE- *pro*))
                    
            (VP 
              (PU 「)
                    
              (VP 
                (ADVP 
                  (AD 未))
                    
                (VP 
                  (VV 能)
                    
                  (VP 
                    (VV 免俗))))
                    
              (PU ，)
                    
              (VP 
                (VV 聊复尔耳))
                    
              (PU 」)))
                    
          (DEC 的)))
                    
      (NP 
        (NN 年龄)))))
arg0: 
                    *pro* 
                
argm: 
                    *T*-1