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: tide, current, flow, detests, whirlpool

Output: detests


Input: Consider Input: deck, crew, fight, knockout, tko

Output: crew


Input: Consider Input: equitable, trustworthy, fair, luke, impartial


Output: luke