answer: #Person2# is looking for a cotton polo shirt. #Person1# recommends a white one. #Person2# likes it and wants to see a pale yellow one, too.
documents: #Person1#: May I help you, sir?
  #Person2#: Yes, please. I'm looking for a cotton polo shirt.
  #Person1#: Any particular colour?
  #Person2#: Not really.
  #Person1#: How about this one?
  #Person2#: I like the design, but don't particularly care for the colour. Do you have that in other colours, too?
  #Person1#: Well, they come in white, pale yellow, aqua, red and green. Will a white one do?
  #Person2#: Yes. I prefer white - and may I see a pale yellow one, too?
  #Person1#: Why, of course. Let's see... White... Pale yellow. Here you are, sir.