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: general, boring, soldier, ubiquitous, average

Output: soldier


Input: Consider Input: blocking, fold, deck, check, board

Output: blocking


Input: Consider Input: crane, neck, digger, swift, winch


Output: digger