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: persistent, cool, level, scorching, funny

Output: scorching


Input: Consider Input: ostrich, hoist, egret, crane, parrot

Output: hoist


Input: Consider Input: fudge, tart, chocolate cake, falsehood, cupcake


Output: falsehood