answer: #Person1# buys five of the seventy cents oranges. #Person2# sells three grapefruits to #Person1# which are at a bargain.
documents: #Person1#: Would you give me some fruits? How much are these oranges?
  #Person2#: Seventy cents a piece.
  #Person1#: How about this one?
  #Person2#: Sixty cents a piece.
  #Person1#: Well, I'll take five of the seventy cents ones, and are those grapefruits sweet?
  #Person2#: Sure! They are very fresh, first of all. We sell at a bargain, and you make a wise purchase if you buy them today. Eighty cents only, a piece.
  #Person1#: I follow you and I'll take three just for my trial.
  #Person2#: Thank you very much and anything else?
  #Person1#: That's all. Thank you.