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: blunt, sausage, hot dog, frank, wienerwurst

Output: blunt


Input: Consider Input: current, water, detests, blue, jetstream

Output: detests


Input: Consider Input: running., out of service, close, busy, right there


Output: right there