(NP-SBJ 
  (NN 警方))
                    
(VP 
  (PP-LOC 
    (P 在)
                    
    (LCP 
      (NP 
        (CP-APP 
          (IP 
            (NP-SBJ 
              (-NONE- *pro*))
                    
            (VP 
              (VE 没有)
                    
              (NP-OBJ 
                (NN 防爆)
                    
                (NN 小组))))
                    
          (DEC 的))
                    
        (NP 
          (NN 情况)))
                    
      (LC 之下)))
                    
  (PU ，)
                    
  (VP 
    (ADVP 
      (AD 只好))
                    
    (VP 
      (VP 
        (ADVP 
          (AD 土法))
                    
        (VP 
          (VV 炼钢)))
                    
      (PU ，)
                    
      (VP 
        (ADVP 
          (AD 先))
                    
        (VP 
          (VV 买来)
                    
          (NP-OBJ 
            (QP 
              (CD 两)
                    
              (CLP 
                (M 只)))
                    
            (ADJP 
              (JJ 长))
                    
            (NP 
              (NN 竹杆)))))
arg0: 
                    警方          
                
argm: 
                    在 没有 防爆 小组 的 情况之下          
                
argm: 
                    只好          
                
argm: 
                    先          
                
arg1: 
                    两 只 长 竹杆