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: invent, unlicensed, brownies, lie, fudge
Example Output: brownies

Example Input: unyielding, concerted, firm, combined, united
Example Output: unyielding

Example Input: woods, hatchling, kitten, fawn, cajole
Example Output:
cajole