lies, truths

in the classic formulation of the "one of the guards only lies, one of them only tells the truth" puzzle, that information has to come from a third party otherwise there's a 50% chance it's just made up

you are in a room with two exits, one leading to freedom, the other to a deadly tiger

guarding one door, sir mixalot

guarding the other, shakira's hips

you can ask but one question