Blonde In Jail

There was a blonde, a brunette, and a red head escaping from jail. The brunette ran up a tree and a police officer yells "who is there?" and the brunette says "tweet tweet". So the police officer walks away.

Then, the redhead runs up the tree and the police officer says "who is there?" and the red head says "meow" so the police officer walks away.

So the blonde runs up the tree and the police officer says "who is there?" the blonde says "moooo"