answer: #Person2# tells #Person1# how to transfer the bus to the national history museum.
documents: #Person1#: Excuse me. Could you tell me if the bus goes the national history museum?
  #Person2#: No. It doesn't. There's no through bus to the national history museum Madam. .
  #Person1#: I see. Where do I have to change them?
  #Person2#: You can transfer at Cuchan Men.
  #Person1#: How far is it?
  #Person2#: Well, it's only three stops from here.
  #Person1#: I see. Thanks a lot.
  #Person2#: You're welcome.