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: ecstatic, content, disappointed, sad, service

Output: service


Input: Consider Input: banned, fudge, invent, cupcake, loosen

Output: cupcake


Input: Consider Input: cold, fair, level, variety, light


Output: cold