Knock knock. Who's there? Knock

knock.

Knock knock. Who's there? Orange

who? You know what, I just realized I forgot the rest of the joke. Can I get back to you?

Knock knock. Who's there? (Knock knock.)

(Knock knock) who? Oh, for goodness sake, you just started the joke again! This is an endless loop!

Knock knock. Who's there? Alpaca.

Alpaca who? Alpaca the suitcase, you load the car!