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: ecstatic, specialty, substance, content, merchandise

Output: ecstatic


Input: Consider Input: tone, just, equitable, fair, unprejudiced

Output: tone


Input: Consider Input: stern, queen, joker, deck, suits


Output: stern