answer: #Person2# advises #Person1# to join in a carpool to work. #Person2# introduces the carpool system to #Person1# and #Person2# has been using it for five years.
documents: #Person1#: I was half an hour late for work today. There was just too much traffic.
  #Person2#: Yes, there really are too many cars on the road. More people need to carpool.
  #Person1#: Carpool?
  #Person2#: Yeah, you know, a group of people that ride to work together in one car.
  #Person1#: Hey, that's a good idea. How do you join a carpool?
  #Person2#: Well, there is a special phone number you can call. You leave a message with your address and phone number, and then someone calls you back with the names and phone numbers of other people in your area who want to carpool.
  #Person1#: That's really a great idea! How do you know so much about this carpool system, Nancy?
  #Person2#: Me? I called the number for the first time about five years ago. Carpooling is a great way to go to work.