(IP 
  (NP-SBJ 
    (CP 
      (WHNP-104 
        (-NONE- *OP*))
                    
      (CP 
        (IP 
          (NP-SBJ 
            (NN 行动)
                    
            (NN 电话))
                    
          (VP 
            (MSP 所)
                    
            (VP 
              (VV 产生)
                    
              (NP 
                (-NONE- *T*-104)))))
                    
        (DEC 的)))
                    
    (NP 
      (NN 静电)
                    
      (NN 火花)))
                    
  (VP 
    (VV 可能)
                    
    (VP 
      (VV 会)
                    
      (VP 
        (PP-LOC 
          (P 在)
                    
          (NP 
            (CP 
              (WHNP-2 
                (-NONE- *OP*))
                    
              (CP 
                (IP 
                  (NP-TPC 
                    (-NONE- *T*-2))
                    
                  (NP-SBJ 
                    (NN 油气))
                    
                  (VP 
                    (VA 浓烈)))
                    
                (DEC 的)))
                    
            (NP 
              (NN 加油站))))
                    
        (VP 
          (VV 引发)
                    
          (NP-OBJ 
            (NN 气爆)))))))
arg0: 
                    *T*-2 
                
arg0: 
                    油气