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: crying, truss rod, angry, emotional supports, fret

Output: truss rod


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

Output: exquisite


Input: Consider Input: history, whirlpool, sea, current, water


Output: history