answer: #Person2# asks #Person1# of watches for couples. #Person2# takes a fancy to Rolex and decides to buy them after #Person1#'s introduction.
documents: #Person1#: What can I do for you?
  #Person2#: I would like to buy two exquisite watches for me and my girlfriend.
  #Person1#: We have many pairs for couples. Look at this counter.
  #Person2#: This pair is Rolex, right?
  #Person1#: You have a very good taste, this pair is the latest product.
  #Person2#: What function does this watch have?
  #Person1#: Both of them are luminous with a time reminder function. They don't need battery, because they can absorb energy from the sun.
  #Person2#: Sounds good.
  #Person1#: In addition, they are waterproof and shockproof.
  #Person2#: How long is the guarantee?
  #Person1#: We guarantee the quality of the product for 12 months. We also provide a worldwide warranty.
  #Person2#: How much does the pair cost?
  #Person1#: 2, 200 $.
  #Person2#: It is a bit expensive. But it is worth buying one's favorite. I will take them.