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: fish, stingray, climbing, trap, hiking

Output: stingray


Input: Consider Input: bow, gunwale, crew, deck, blocking

Output: blocking


Input: Consider Input: cake, chocolate, fudge, truffles, loosen


Output: loosen