answer: #Person2# goes to McDonald's and orders some food. #Person1# serves #Person2#.
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.