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: probation, ticket, exquisite, suspension, fine

Output: exquisite


Input: Consider Input: bats, pounce, cockroach, bike, fly

Output: bike


Input: Consider Input: heron, crane, davit, pelican, digger


Output: digger