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: corner, deck, fight, knockout, blind

Output: blind


Input: Consider Input: club, open-faced, bacon, french toast, dance hall

Output: dance hall


Input: Consider Input: rudder, apron, dock, lifeline, deck


Output: apron