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: hull, galley, deck, lifeline, tko

Output: tko


Input: Consider Input: hoist, crane, excavator, winch, windlass

Output: hoist


Input: Consider Input: fine, money, there, handsome, detailed


Output: money