(IP 
  (ADVP 
    (AD 但))
                    
  (CP-ADV 
    (ADVP 
      (CS 一旦))
                    
    (IP 
      (NP-SBJ 
        (-NONE- *PRO*))
                    
      (VP 
        (VV 听到)
                    
        (IP-OBJ 
          (NP-SBJ 
            (NN 问题))
                    
          (VP 
            (ADVP 
              (AD 还))
                    
            (ADVP 
              (AD 没))
                    
            (VP 
              (VV 解决)))))))
                    
  (PU ，)
                    
  (NP-SBJ 
    (-NONE- *pro*))
                    
  (VP 
    (ADVP 
      (AD 却))
                    
    (ADVP 
      (AD 又))
                    
    (ADVP 
      (AD 难免))
                    
    (VP 
      (VV 动怒))))
arg0: 
                    *pro* 
                
argm: 
                    难免 
                
argm: 
                    又 
                
argm: 
                    却 
                
argm: 
                    一旦 *PRO* 听到 问题 还 没 解决 
                
argm: 
                    但