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: folder, hardware, file, firewall, support

Output: support


Input: Consider Input: attractive, level, detailed, detached, fine


Output: detached