answer: #Person1# wants to buy a fridge and knows from #Person2# the quality and warranty of higher products, but #Person1# thinks the best seller is too big.
documents: #Person1#: I'd like to buy a fridge. What about the quality of higher products?
  #Person2#: I strongly recommend it. As an international enterprise, it produces high quality household appliances.
  #Person1#: Is there a warranty?
  #Person2#: Yes, all their products have warranties.
  #Person1#: How long is it?
  #Person2#: The fridges is covered by a one-year warranty.
  #Person1#: Which model is the best seller of this year?
  #Person2#: This one. How do you like it?
  #Person1#: It's too big for me. Could you recommend something else?
  #Person2#: Sure, this way please.