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: just, make the grade, well, unjust, fair

Output: make the grade


Input: Consider Input: melancholy, descending, emotionalities, emotional, down

Output: descending


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


Output: climbing