answer: #Person2# buys his son's favorite fruit chocolates from #Person1#. He buys pears instead of his daughter and wife's favorite strawberries because the strawberries don't look fresh.
documents: #Person1#: What can I do for you, sir?
  #Person2#: I'd like to buy a box of chocolates.
  #Person1#: OK. We have dark chocolates, milk chocolates, fruit chocolates and some chocolate with nuts in them. Which kind would you like?
  #Person2#: I prefer to buy fruit chocolates, please. My son likes them very much.
  #Person1#: All right. Anything else?
  #Person2#: Let me see. Oh yes, I want to buy some fruit. Do you have any strawberries? My daughter and my wife like them very much.
  #Person1#: Yes, they are over there. You can try one. They are very sweet.
  #Person2#: Let me see. Well, they don't look fresh enough. The pears look juicy. I'll take 3 kilos please. How much is the total?
  #Person1#: Just a moment, please. 55 yuan for the chocolates, and twenty one for the pairs, that will be 75 yuan in all, please.
  #Person2#: Thank you. Here is 100 yuan.
  #Person1#: Your change, please.
  #Person2#: Thanks.