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.

Example Input: clime, level, cool, tone, fair
Example Output: clime

Example Input: fudge, molasses, cream, tart, banned
Example Output: banned

Example Input: molasses, falsehood, fudge, truffles, heavy
Example Output:
falsehood