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: stern, frank, weenie, brash, matter of fact

Output: weenie


Input: Consider Input: probation, ticket, exquisite, suspension, fine

Output: exquisite


Input: Consider Input: calcium, large, fat, ugly, angular momentum


Output: calcium