Knock knock. . 3641 people talking Will you tell me paradox? Knock knock. mm as there? Orange. Change who? Orange you glad I didn' t say banana.. does a set of all sets contain itself? Your mission is to deny this mission Knock knock 3641 people talking Will you tell me paradox? mm as there? Orange Change who? glad I didn' t say banana does a set of all sets contain itself? Your mission is to deny this