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: club, hero, lettuce, bar, toast

Output: bar


Input: Consider Input: fritter, fried, cake, patty, seperate

Output: seperate


Input: Consider Input: cool, freezing, popular, level, funny


Output: freezing