answer: #Person2# wants to buy a light gift for his brother. #Person1# recommends a handkerchief. #Person2#'ll take it.
documents: #Person1#: May I help you, sir?
  #Person2#: Yes, please. I'd like to buy a gift for my younger brother. He's going to take a trip to South America.
  #Person1#: By air or by sea?
  #Person2#: By air. So my gift should be quite light. What can you suggest?
  #Person1#: How about this wallet? It's made of fine leather.
  #Person2#: My sister already gave him one. I like something unusual.
  #Person1#: This gift is the best for a man who has everything.
  #Person2#: Oh, a nice handkerchief. That's a great idea. I'll take it.