White board jokes

I'm a big fan of white boards. I find them... Remarkable.

I'm a big fan of white boards; they're remarkable.

What do you call a whiteboard that is dirty?

A dirty whiteboard.

I am a big fan of whiteboards. I find them quite re-markable.

What's white with black spots? A cotton field from above.

What is black when it’s clean and white when it’s dirty?

Answer: A chalkboard.

Two artists had an art contest. It ended in a draw.