answer: #Person1# offers a free beer to #Person2#. #Person2# finishes the beer and wants some more.
documents: #Person1#: Excuse me, would you like a drink before your meal?
  #Person2#: Pardon me?
  #Person1#: Would you like a drink?
  #Person2#: Oh, I see. I'll have a beer please
  #Person1#: Ok, here you are.
  #Person2#: Thank you. How much is it?
  #Person1#: Well, all the drinks including beer are free of charge.
  #Person2#: Are you sure? Then I'd love more beer please
  #Person1#: Don't worry. It would be back again a little later.
  #Person2#: Are you finished?
  #Person1#: Yes, may I have some more beer?
  #Person2#: Oh, sure. I'll be back in a minute.