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: round, duplex, flat, smooshed, townhome

Output: smooshed


Input: Consider Input: neat, beautiful, dull, fine, firstrate

Output: firstrate


Input: Consider Input: dastards, history, current, jetstream, up to the moment


Output: jetstream