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: club, hero, lettuce, bar, toast

Output: bar


Input: Consider Input: up to the moment, current, detests, tide, history

Output: tide


Input: Consider Input: endure, balanced, warm, stormy, fair


Output: balanced