What's the difference between an elephant and a grape?

What's the difference between an elephant and a grape?

Q) What's the difference between an elephant and a grape?

A) Grapes are purple.

Not funny.

Q) What did Jane say when she saw the elephants coming over the hill?

A) "Here come the elephants over the hill."

Stupid.

Q) What did Jane say when she saw the grapes coming over the hill?

A) "Here come the elephants over the hill."

Jane was color blind.