answer: #Person2# tells #Person1# about the location and the price of chocolates.
documents: #Person1#: Excuse me, sir. Can you tell me where I can buy some chocolates? 
  #Person2#: Two rows up on the right. We have various kinds of chocolates. 
  #Person1#: Thank you. How much is this kind of chocolate? 
  #Person2#: $10 a kilo.