answer: #Person2# purchases a red sweater with #Person1#'s assistance.
documents: #Person1#: Hello, ma ' am. Can I help you?
  #Person2#: I ' m looking for a sweater.
  #Person1#: What size are you looking for?
  #Person2#: Well, I ' m looking for size 10 but you don ' t have it.
  #Person1#: How about this one? I think it looks terrific on you.
  #Person2#: Yes, I like the color. Can I try it on?
  #Person1#: Sure. The fitting room is on your right.
  #Person2#: It fits well. I like it a lot. What do you think?
  #Person1#: You look pretty in red.
  #Person2#: Oh, it ' s my favorite. How much is it?
  #Person1#: $ 29.99.
  #Person2#: Okay. I ' ll take it. Thank you very much for your help.
  #Person1#: You ' re welcome.