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: chunky, fat, calcium, carbs, iron

Output: chunky


Input: Consider Input: neck, swift, egret, tackle, crane

Output: tackle


Input: Consider Input: service, content, shop, file, nervous


Output: nervous