(IP-Q 
  (ADVP-WH 
    (AD 为什麽))
                    
  (NP-SBJ 
    (CP 
      (WHNP-1 
        (-NONE- *OP*))
                    
      (CP 
        (IP 
          (NP-SBJ 
            (-NONE- *T*-1))
                    
          (VP 
            (ADVP 
              (AD 曾经))
                    
            (VP 
              (VA 蓬勃))))
                    
        (DEC 的)))
                    
    (NP 
      (NN 文化)
                    
      (NN 活动)))
                    
  (PU ，)
                    
  (VP 
    (NP-TMP 
      (NT 如今))
                    
    (ADVP 
      (AD 却))
                    
    (VP 
      (VV 渐趋)
                    
      (NP-OBJ 
        (NN 沈寂)))))
arg0: 
                    *OP* *T*-1 曾经 蓬勃 的 文化 活动 
                
arg1: 
                    沈寂 
                
argm: 
                    却 
                
argm: 
                    如今 
                
argm: 
                    为什麽