A：Welcome to our university’s fifties anniversary, Sir. Please have a seat.
    B：Thank you. Wow, your school has so many honors. Congratulations!
    A：Thank you.
    B：Excuse me. I wonder see Dean Mr. Lee first. I was wondering if could you tell me where his office is?
    A：Certainly. Mr. Lee’s office building at the south end of the campus, just beside the library.
    B：Excuse me?
    A：Let me show you the way. Please follow me.
    B：Thank you very much. It’s very kind of you.
    A：My pleasure.
    B：This is it?
    A：It’s up on the second floor. You have to use the stairs. The elevator isn’t working.