answer: #Person2# wants to buy a blue jacket but the first one is expensive. He takes a cheaper one finally.
documents: #Person1#: Good morning, sir. Can I help you?
  #Person2#: I'd like to buy a blue jacket. Do you have any blue jackets?
  #Person1#: Yes. What size do you wear?
  #Person2#: I want Size M.
  #Person1#: Here you are. Try it on and see whether it is all right for you.
  #Person2#: It's all right. I like it very much. How much is it?
  #Person1#: 360 Yuan.
  #Person2#: Oh. That's a bit expensive. Do you have any other kind? I want a cheaper one.
  #Person1#: What about this one? It's only 120 Yuan.
  #Person2#: OK. I'll take this one. Here is the money.