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: sugar, angular momentum, large, area, fat

Output: sugar


Input: Consider Input: size, unjust, tone, fair, medium

Output: unjust


Input: Consider Input: content, activity, file, ecstatic, tools


Output: ecstatic