answer: #Person1# decides to visit the city by limo after hearing #Person2#'s advice.
documents: #Person1#: We have one day to visit the big city, can you give us some advice?
  #Person2#: Yes, you can take a limo, a tour bus or just walk.
  #Person1#: I don't think we can visit the city in one day just by walking. How much does the limo cost?
  #Person2#: $ 50 a day.