Answer:
What is the difference between a poorly dressed man on a bike, and a well-dressed man on a unicycle?
The dirtier I get, the whiter I am. What am I?
I am black white and read all over.
It's red liquid but not liquid and it's not red. What is it?
In a tunnel of darkness lies a beast or iron. It can only attack when pulled back. What is it?
What did the piece of wood say when he saw the screwdriver and screws approaching?