Answer:
A town has only two barbers. One of the barbers has a nice, tidy haircut, and the other has a shaggy, messy haircut. Which barber should you go to?
You are participating in the swimming finals at the Olympics. In the final few seconds of the race you narrowly pass the swimmer who was in third place. What place did you get?
What is as big as you are and yet does not weigh anything?
What is the difference between yesterday and tomorrow?
When is homework not homework?
When is it bad luck to see a black cat?