answer: #Person1# asks #Person2# #Person2#'s stay in London. #Person2# tells #Person1# what #Person2# did there, where the city of York is, and how the food is like.
documents: #Person1#: Where did you stay in London?
  #Person2#: We stayed with my uncle. He lives in London.
  #Person1#: What did you do in London?
  #Person2#: We went shopping in Oxford Street. Oxford Street is one of the best places to shop in London. I bought a great pair of jeans there.
  #Person1#: What else did you do?
  #Person2#: We went to see a musical. We saw the show Cats. It was wonderful. I love the songs and the dancing.
  #Person1#: Did you go anywhere else in England?
  #Person2#: We went to stay with my aunt in York.
  #Person1#: Where's York?
  #Person2#: York is in the northeast of England. There's a big church there and a castle and very old walls around the city.
  #Person1#: Like the Great Wall of China?
  #Person2#: A little bit, but York city walls are much smaller. It was fun walking around the city on the walls.
  #Person1#: What was the food like?
  #Person2#: Wonderful, both my uncle and my aunt run Chinese restaurants.