answer: #Person1# asks #Person2# for some iced water charged for 50 cents and free napkins, sauce, and pepper.
documents: #Person1#: I think I need some iced water, too. Is there an extra charge for that?
  #Person2#: Yes. We charge 50 cents for iced water.
  #Person1#: That's fine. Could you give me some more napkins, too?
  #Person2#: Sure. Do you need anything else?
  #Person1#: Yes. I would also like some sweet-and-sour sauce and pepper.
  #Person2#: I'll put all that into the bag for you.
  #Person1#: Do I owe you for the sauce, pepper and napkins?
  #Person2#: No, there's no charge for those.