answer: #Person2# buys a 50 yuan wooden umbrella as a keepsake for his girlfriend from #Person2#.
documents: #Person1#: What can I do for you?
  #Person2#: I'd like to buy a keepsake for my girlfriend. Could you make a recommendation for me?
  #Person1#: I'd like to. How do you like the hat?
  #Person2#: It's not special. It can be seen everywhere.
  #Person1#: How about the umbrella? It's made of wood and paper. It's very beautiful.
  #Person2#: It's interesting. Let me see.
  #Person1#: Do you like it?
  #Person2#: Yes, how much is it?
  #Person1#: Fifty yuan.
  #Person2#: OK, I'll take it.