(IP 
  (NP-SBJ 
    (PU 『)
                    
    (NN 人)
                    
    (PU 』))
                    
  (VP 
    (ADVP 
      (AD 才))
                    
    (VP 
      (VC 是)
                    
      (NP-PRD 
        (CP 
          (WHNP-2 
            (-NONE- *OP*))
                    
          (CP 
            (IP 
              (NP-SBJ 
                (-NONE- *pro*))
                    
              (VP 
                (ADVP 
                  (AD 最))
                    
                (VP 
                  (VV 头痛)
                    
                  (NP-OBJ 
                    (-NONE- *T*-2)))))))
                    
        (DEC 的)))))
arg0: 
                    *pro* 
                
arg1: 
                    *T*-2 
                
argm: 
                    最