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: up to the moment, tide, current, jetstream, brine

Output: up to the moment


Input: Consider Input: blocking, corner, deck, fight, hearts

Output: hearts


Input: Consider Input: hot, well, fine, neat, classy


Output: well