answer: #Person1# buys a dozen red roses from #Person2# for his wife's birthday.
documents: #Person1#: It's my wife's birthday. I need to buy some flowers for her.
  #Person2#: Most women love red roses for their birthday.
  #Person1#: How much will the roses be?
  #Person2#: You can get a dozen for only $ 20.
  #Person1#: Now, that's a price that I like.
  #Person2#: You're in luck today because the roses are on sale.
  #Person1#: Okay, I'll take the roses.
  #Person2#: Very good. Perhaps you'd like something else to go with the roses?
  #Person1#: No, the roses are good enough.
  #Person2#: Women love roses, so your wife will be very happy.