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: social, love, fawn, follow, kid
Example Output: kid

Example Input: mansion, studio, smooshed, round, flat
Example Output:
smooshed