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: sea turtle, whale, dog, fish, hunting

Output: hunting


Input: Consider Input: deck, dock, galley, joker, hull

Output: joker


Input: Consider Input: normal, average, ubiquitous, general, captain


Output: captain