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: acceptable, mad, fine, comfortable, probation

Output: probation


Input: Consider Input: fawn, woods, antling, cute, deer

Output: cute


Input: Consider Input: cards, deck, board, suits, knockout


Output: knockout