answer: #Person1# invites Susan to the house warming party. #Person1#'s moving to a new home in another city because the houses in London are too expensive.
documents: #Person1#: Susan, would you and Frank like to come to our house warming party this weekend?
  #Person2#: A house warming party? You mean you are moving to a new home?
  #Person1#: Yeah, Deborah and I are moving to a new home in another city. We bought it 2 months ago.
  #Person2#: Congratulations! both of you must be very happy.
  #Person1#: Well, we have always dreamed of owning our own home here, but houses in London are so expensive.
  #Person2#: I understand. Christopher and I have been living in the house we rent for 13 years. We found it very difficult to buy a house here, although we have been saving Well, when is the party?
  #Person1#: 7:00 PM this Friday, at Googly Swiss Cottage. I'll send you directions.
  #Person2#: OK. Christopher and I will be there on time.