A Vacation At Walt Disney World

Zach is your best friend and he's more than happy to go with you. Your bags packed, you get on the bus to Disneyland. Unfortunately, you guys can't sit together as there are only two seats left. One is right at the back of the bus in the middle of the back row. To one side is a sleeping man in a mickey mouse t-shirt. On the other are two giggling teenage girls. The other seat is next to a kindly looking grandmother who is knitting some baby clothing. Zach is struggling to get his bag up the steps of the bus, so it looks as though you have the first choice of who to sit next to. You choose: