answer: Sarah shows her new coat to #Person1# and says she bought it at the mall and it cost 20 dollars.
documents: #Person1#: Sarah, what did you do today?
  #Person2#: I went shopping.
  #Person1#: Did you buy anything?
  #Person2#: Yes, I bought a few things.
  #Person1#: What did you buy?
  #Person2#: I bought this coat. Do you like it?
  #Person1#: Yeah, I like it a lot. It's very pretty. Where did you buy it?
  #Person2#: At the mall on 5th street.
  #Person1#: Was it expensive?
  #Person2#: No, it wasn't expensive. It was on sale for 20 dollars.
  #Person1#: That's cheap.
  #Person2#: I know. It was a really good deal.
  #Person1#: I don't think you'll need to wear it for a while. It's been really hot lately.