answer: #Person2# tells #Person1# how to go to the theater by bus.
documents: #Person1#: Is this where I can catch a bus to the theater?
  #Person2#: Yes, but you can't get there with out a change.
  #Person1#: Which bus do I have to change?
  #Person2#: You have to get off at the hospital and change for bus 15.
  #Person1#: I see. Thank you.