answer: #Person1# drives #Person2# to Harvard University. #Person2# pays the bill.
documents: #Person1#: Where do you wish me to take you, sir?
  #Person2#: Please take us to Harvard University. By the way, is it far from here?
  #Person1#: It takes about half an hour to get there.
  #Person2#: OK.
  #Person1#: Here we are, sir.
  #Person2#: How much do I owe you?
  #Person1#: It's 35 dollars on the meter.
  #Person2#: Here's 50 dollars. Keep the change.
  #Person1#: Thank you. Have a nice day.