Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.

Example Input: fair, raining, trustworthy, endure, 70
Example Output: trustworthy

Example Input: pork, weenie, goodies, honest, frank
Example Output: honest

Example Input: blackjack, gin, poker, wine, slapjack
Example Output:
wine