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: ubiquitous, general, basic, major, popular

Output: major


Input: Consider Input: iguana, mice, climbing, fish, hamster

Output: climbing


Input: Consider Input: emotional upsets, fret, anxious, crying, string


Output: string