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: camp, fish, iguana, hike, kayak

Output: iguana


Input: Consider Input: swim, leaves, fall, hiems, spring

Output: swim


Input: Consider Input: soldier, captain, typical, colonel, general


Output: typical