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.

Input: Consider Input: late, up to the moment, current, course, belated

Output: course


Input: Consider Input: vodka, spider, gin, blackjack, go fish

Output: vodka


Input: Consider Input: ok, equitable, fair, loyal, well


Output: well