(PP-MNR 
  (P 根据)
                    
  (NP 
    (NN 报道)))
                    
(NP-SBJ 
  (NN 倒塌))
                    
(VP 
  (VV 起于)
                    
  (IP-OBJ 
    (NP-SBJ 
      (QP 
        (CD 一)
                    
        (CLP 
          (M 层)))
                    
      (NP 
        (NN 平房)
                    
        (NN 商铺)))
                    
    (VP 
      (VP 
        (VV 加盖)
                    
        (QP-OBJ 
          (CD 三)
                    
          (CLP 
            (M 层))))
                    
      (PU ，)
                    
      (VP 
        (PP-PRP 
          (P 因为)
                    
          (IP 
            (NP-SBJ 
              (NN 重量))
                    
            (VP 
              (VV 过重))))
                    
        (VP 
          (VV 影响)
                    
          (NP-OBJ 
            (NN 结构))))
                    
      (VP 
        (MSP 而)
                    
        (VP 
          (VV 导致)
                    
          (NP-OBJ 
            (NN 意外))))))
argm: 
                    根据 报道          
                
arg0: 
                    倒塌           
                
arg1: 
                    一 层 平房 商铺 加盖 三 层 ， 因为 重量 过重 影响 结构 而 导致 意外