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: happy, substance, shop, tools, content

Output: happy


Input: Consider Input: combustion, fire, replace, water, inferno


Output: replace