dialogue: #Person1#: Excuse me, can you do me a favor?
  #Person2#: Sure.
  #Person1#: Where's the busiest street of this city? I am a stranger here.
  #Person2#: You mean the seventy seventh? It's not far from here. You can walk there.
  #Person1#: Well, we are so tired today. Can you tell me which bus I should take?
  #Person2#: Bus No. 12.
  #Person1#: Thank you so much.
summary: #Person2# shows #Person1# the way to the seventy seventh.
topic: showing the way