Excuse me . Could you tell me how to get to the library ?
neutral
user
Of course . It's on Memorial Avenue .
neutral
assistant
On Memorial Avenue ?
neutral
user
Right . You know where that is ?
neutral
assistant
I'm afraid I don't . I'm quite new in town .
neutral
user
Well , do you know where the post office is ?
neutral
assistant
No , I don't . But I do know where the shopping mall is .
neutral
user
That won't help us . Let me see now ... Why don't you follow this street , Elm , until , you get to the second stoplight .
neutral
assistant