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: protein, chunky, big boned, fat, capacitance

Output: protein


Input: Consider Input: persistent, cool, level, scorching, funny

Output: scorching


Input: Consider Input: emotional upsets, down, sad, right, emotionalities


Output: right