(IP 
  (NP-SBJ 
    (NN 青少年))
                    
  (VP 
    (VC 是)
                    
    (NP-PRD 
      (CP 
        (WHNP-2 
          (-NONE- *OP*))
                    
        (CP 
          (IP 
            (NP-SBJ 
              (-NONE- *T*-2))
                    
            (VP 
              (ADVP 
                (AD 很))
                    
              (VP 
                (VA 自我)
                    
                (CC 而)
                    
                (VA 感性))))
                    
          (DEC 的))))))
arg0: 
                    *T*-2 
                
argm: 
                    很