"Well what I meant was that I'm working on understanding the customs and mechanics around the concept as a whole, but, alright," says Peridot, a rather bit snidely. "I have done conducted a good amount of research on classic "jokes". Let me think..."

She taps her chin with one chalk-shaped finger, squinting thoughtfully for a moment, and then brightening suddenly. "Oh! Alright, I've just recalled one that, if I remember correctly, is supposed to be delivered by my asking you a question to which I actually already know the answer, and then even if you know the answer, you have to pretend that you don't. So: Why do humans put fences around the plots of land that they use to bury the corpses of their fellow humans?"