(IP 
  (ADVP 
    (AD 但))
                    
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (ADVP 
      (AD 有时))
                    
    (VP 
      (VV 会)
                    
      (VP 
        (VV 出现)
                    
        (IP-OBJ 
          (NP-SBJ 
            (-NONE- *PRO*))
                    
          (VP 
            (PP-PRP 
              (P 因)
                    
              (NP 
                (CP-APP 
                  (IP 
                    (NP-SBJ 
                      (NN 条形码))
                    
                    (VP 
                      (VV 丢失)
                    
                      (CC 或)
                    
                      (VV 损坏)))
                    
                  (DEC 的))
                    
                (NP 
                  (NN 情况))))
                    
            (VP 
              (MSP 而)
                    
              (VP 
                (VV 导致)
                    
                (NP-OBJ 
                  (NN 信息))
                    
                (IP 
                  (NP-SBJ 
                    (-NONE- *PRO*))
                    
                  (VP 
                    (ADVP 
                      (AD 无法))
                    
                    (VP 
                      (VV 读出))))))))))))
arg1: 
                    *PRO* 
                
argm: 
                    无法