To get the answer to this joke, you need to think about wordplay and play with the concept of an elephant not mattering. The answer to the joke is "irrelephant." This term is a pun, combining the word "irrelevant" (meaning not important or significant) with "elephant" (a large mammal). The joke relies on the similarity in pronunciation between "irrelevant" and "elephant." By combining the two words, it creates a humorous and unexpected play on words.
