answer: #Person2# assists #Person1# in buying a black suit.
documents: #Person1#: Would you please bring me the black suit? I want to try it on.
  #Person2#: Here you are.
  #Person1#: I think this suit fits perfectly.
  #Person2#: Yes, I think so. The suit matches the trousers.
  #Person1#: It's fine. Please wrap it.