answer: #Person2# tells #Person1# where the exit of the art gallery is.
documents: #Person1#: Excuse me. I think I have got lost in the Art Gallery. Can you tell me the way to the exit.
  #Person2#: Sure. Go back and take the third turning on the left.
  #Person1#: Thank you very much. I have been wondering here for almost half an hour.
  #Person2#: It is really like a labyrinth.