(IP-Q 
  (IP-SBJ 
    (NP-PN-SBJ 
      (NN 行政院))
                    
    (VP 
      (VV 宣布)
                    
      (IP-OBJ 
        (NP-SBJ 
          (-NONE- *PRO*))
                    
        (VP 
          (VV 停建)
                    
          (NP-OBJ 
            (NN 核四))))))
                    
  (VP 
    (ADVP-WH 
      (AD 是否))
                    
    (VP 
      (VV 违宪))))
arg0: 
                    行政院 宣布 *PRO* 停建 核四 
                
argm: 
                    是否