answer: #Person1# helps #Person2# order take away foods in McDonald's.
documents: #Person1#: Welcome to the McDonald's. What will it be for you, madam?
  #Person2#: One Big Mac and French Fries.
  #Person1#: Is there anything else?
  #Person2#: Give me one coke, please.
  #Person1#: Is this to go or to eat here?
  #Person2#: To go, please.
  #Person1#: That comes to four dollars and ten cents.
  #Person2#: And can I have some ketchup, please?
  #Person1#: It's on the service counter over there. Please go to help yourself.