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: tide, belated, signal, current, jetstream

Output: belated


Input: Consider Input: fine, even, unjust, impartial, fair

Output: even


Input: Consider Input: foot, knee, eye, leg, ounce


Output: ounce