(IP 
  (ADVP 
    (AD 但))
                    
  (IP-WH-SBJ 
    (IP 
      (NP-SBJ 
        (NN 民主))
                    
      (VP 
        (VA 重要)))
                    
    (CC 还是)
                    
    (IP 
      (NP-SBJ 
        (NN 效率))
                    
      (VP 
        (VA 重要))))
                    
  (PU ，)
                    
  (VP 
    (VC 是)
                    
    (NP-PRD 
      (QP 
        (CD 一)
                    
        (CLP 
          (M 个)))
                    
      (CP 
        (WHNP-1 
          (-NONE- *OP*))
                    
        (CP 
          (IP 
            (NP-SBJ 
              (-NONE- *pro*))
                    
            (VP 
              (ADVP 
                (AD 永远))
                    
              (VP 
                (VV 可以)
                    
                (VP 
                  (VV 辩论)
                    
                  (NP-OBJ 
                    (-NONE- *T*-1))))))
                    
          (DEC 的)))
                    
      (NP-PN 
        (PU 『)
                    
        (NR 哈姆雷特)
                    
        (PU 』))
                    
      (NP 
        (NN 问题)))))
arg0: 
                    *pro* 
                
arg1: 
                    *T*-1 
                
argm: 
                    永远