(IP 
  (NP-SBJ 
    (PN 他))
                    
  (VP 
    (ADVP 
      (AD 还是))
                    
    (VP 
      (VV 喜欢)
                    
      (IP-OBJ 
        (NP-SBJ 
          (-NONE- *PRO*))
                    
        (VP 
          (VV 到)
                    
          (NP-OBJ 
            (CP 
              (WHNP-2 
                (-NONE- *OP*))
                    
              (CP 
                (IP 
                  (NP-SBJ 
                    (-NONE- *T*-2))
                    
                  (VP 
                    (VCD 
                      (VA 经济)
                    
                      (VA 实惠))))
                    
                (DEC 的)))
                    
            (ADJP 
              (JJ 传统))
                    
            (NP 
              (NN 健身房))))))))
arg0: 
                    *T*-2