answer: #Person2# has a house for sale because #Person2# wants to move to Sydney. #Person1# comes to see the house but can't decide now.
documents: #Person1#: Excuse me, are you the person who has a house for sale?
  #Person2#: Yes, I am, come in. Let me show you around.
  #Person1#: Thank you very much. How long have you lived here?
  #Person2#: I've lived here since I was married, my husband and I had our twentieth wedding anniversary yesterday.
  #Person1#: Wow! Congratulations! Then why do you want to sell it?
  #Person2#: I am going to retire next year, my husband is opening a small book store in Sydney. So I want to move there to help him.
  #Person1#: How much money do you want for the house?
  #Person2#: $200,000.
  #Person1#: That's a lot of money. I can't decide now. Well, I'll have to discuss it with my wife. May I call back tomorrow?
  #Person2#: Certainly.