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: group, blt, french toast, hamburger, club

Output: group


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

Output: exquisite


Input: Consider Input: folder, support, order office supplies, correspondence, file


Output: folder