answer: #Person1# admires David's new sofa. David tells #Person1# it's a cheap used one while #Person1# won't buy a secondhand sofa.
documents: #Person1#: Hey, David. Where did you get the sofa? It's so beautiful. Look at the color, I really love this yellow, so bright! It must be very expensive.
  #Person2#: Not really. To be honest, it's very cheap. I only spent $ 100.
  #Person1#: Are you kidding? $ 100 for this big leather sofa?
  #Person2#: Yes. I bought it in Johnson thrift store.
  #Person1#: Is it a used one?
  #Person2#: Yes, it is.
  #Person1#: Oh, I don't think I will buy a used sofa even it looks so attractive.