answer: Jack can't give #Person1# a lift to the station. He can call #Person1# a taxi.
documents: #Person1#: Hello, Jack! Do you think you can give me a lift to the station? I must go there to pick my sister.
  #Person2#: I'm terribly sorry, but I can't. I have to be at work by 8:30. I can call you a taxi, though.