Twenty Questions Joke

Here's another post from my catch-up series, explained here. It's May 19th, despite the date on the post.This, from page 57 in Inside Jokes (slightly altered from the original).Two rednecks are standing around.Bobby Joe: Hey, you wanna play twenty questions?Billy Bob: Sure.Bobby Joe: OK, think of something and I'll try to guess it. Ready?Billy Bob: Yeah.Bobby Joe: Is it a thing?Billy Bob: Yeah.Bobby Joe: Can you fuck it?Billy Bob: Yeah.Bobby Joe: Is it a goat?Billy Bob: Yeah.There's always room for variation. How about:Two philosophers are at a conference.Philosopher 1: Would you like to play twenty questions?Philosopher 2: Alright.Philosopher 1: I'm thinking of something. Guess what it is.Philosopher 2: Is it a material object, as opposed to a mental construct?Philosopher 1: Yes.Philosopher 2: Could someone fuck it?Philosopher 1: Yes.Philosopher 1: Is it Immanuel Kant?Philosopher 2: Yes.