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: invent, unlicensed, brownies, lie, fudge

Output: brownies


Input: Consider Input: unflappalbe, refreshing, funny, cool, confident

Output: refreshing


Input: Consider Input: flyaway, hearing, jail, fine, well


Output: well