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: level, knockout, deck, fight, gunwale

Output: gunwale


Input: Consider Input: fudge, brownie, unlicensed, cake, pudding

Output: unlicensed


Input: Consider Input: cake, unwarranted, invent, lie, fudge


Output: cake