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: chunky, heavy, fat, area, sugar

Output: sugar


Input: Consider Input: luke, milky, stormy, fair, warm

Output: milky


Input: Consider Input: head, bow, deck, lifeline, apron


Output: apron