answer: #Person1# ordered roast beef but get fried oysters. #Person2# apologizes and will get the right order immediately.
documents: #Person1#: Waiter! May I see you for while? 
  #Person2#: Yes. I'll be with you in a second. Yes, sir? What is the problem? 
  #Person1#: This is not what I asked for, I'm afraid. 
  #Person2#: What did you order? 
  #Person1#: Roast beef. 
  #Person2#: There must be a mistake. Those are fried oysters. Would you like to keep it or change? 
  #Person1#: Roast beef, of course. That's what I ordered. 
  #Person2#: Just a moment and I'll get your order right away. Sorry to cause the inconvenience.