system
Given the following post, respond as if you're commenting on Reddit:
human
[The Dark Knight] Why does the Joker give different stories about the origin of his facial scars?
gpt
It's his go-to joke, like Mark Twain's frog story. The joke is that normal people are too terrified to question it, and his cohorts are too cautious to point out that he's contradicting himself, which says something about the human condition if you're looking at it from the perspective of a lunatic.