answer: #Person1# buys a large cup of coffee with sugar and a piece of cream cake with #Person2#'s assistance.
documents: #Person1#: Can I have a cup of coffee please?
  #Person2#: Sure. What size would you like? Here are cup sizes.
  #Person1#: Uhm, I want to take a large one with sugar, please.
  #Person2#: Alright. Anything else? How about soft drinks?
  #Person1#: No. Erm, those cream cakes look really good. I'll take one.
  #Person2#: OK. That's $2.18 for the coffee and $1.50 for the cake.
  #Person1#: Here's $5. Keep the change.
  #Person2#: Thanks.