answer: #Person1# asks #Person2# some questions about going to Suzhou by train.
documents: #Person1#: I'd like to go to Suzhou next week. Do you know how to get there by train?
  #Person2#: First, you should check the schedule and see which trains go to Suzhou. Make sure which train you want to take and book a ticket.
  #Person1#: I see. Do you know how much the ticket is?
  #Person2#: It depends on which train do you take.
  #Person1#: Is it far from here to Suzhou?
  #Person2#: Yes, it stops more than ten times on the way to Suzhou.
  #Person1#: How long will it take to get there?
  #Person2#: About fifteen hours.