(IP 
  (CP-CND 
    (ADVP 
      (CS 如果))
                    
    (IP 
      (NP-SBJ 
        (NN 参观者))
                    
      (VP 
        (ADVP 
          (AD 事先))
                    
        (PP-DIR 
          (P 对於)
                    
          (NP 
            (NN 博物馆)
                    
            (NN 主题)))
                    
        (ADVP 
          (AD 不))
                    
        (VP 
          (VA 够)
                    
          (VP 
            (VV 了解))))))
                    
  (PU ，)
                    
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (VV 可能)
                    
    (VP 
      (ADVP 
        (AD 就))
                    
      (VP 
        (VC 是)
                    
        (VP 
          (VP 
            (VV 走马观花))
                    
          (PU ，)
                    
          (VP 
            (VV 看到)
                    
            (NP-OBJ 
              (QP 
                (CLP 
                  (M 些)))
                    
              (ADJP 
                (JJ 老))
                    
              (NP 
                (NN 文物)))))))))
arg0: 
                    *pro* 
                
argm: 
                    就 
                
argm: 
                    如果 参观者 事先 对於 博物馆 主题 不 够 了解