answer: #Person2# recommends a special local product of brandy to #Person1#.
documents: #Person1#: Good morning, sir. Is there anything I can do for you? 
  #Person2#: I would like to buy two bottles of brandy. 
  #Person1#: How about this one? It's the special local product. 
  #Person2#: Can I buy these tax free? 
  #Person1#: Yes. This is a duty-free shop.