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: deck, board, cards, knockout, draw

Output: knockout


Input: Consider Input: vittles, integrity, cheese, pork, frank

Output: integrity


Input: Consider Input: deck, glove, knockout, bow, ring


Output: bow