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: string, frustrated, chord, output cord, fret

Output: frustrated


Input: Consider Input: crane, flamingo, winch, swallow, ostrich


Output: winch