answer: #Person1# gets on the wrong bus. #Person2# tells #Person1# how to get on the right bus.
documents: #Person1#: I ' m going to Bihai park. Is this the right bus please?
  #Person2#: No. you ' re going the wrong way. You wanna 103 from the Beijing zoo.
  #Person1#: how can I get it, please?
  #Person2#: You get off at the next stop, cross the street and you will find the stop not far on the right hand side.
  #Person1#: could I have a transfer, please?
  #Person2#: Here you are.
  #Person1#: Thank you.