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: deck, sail, crew, head, fold

Output: fold


Input: Consider Input: sugars, fat, protein, skinny, iron

Output: skinny


Input: Consider Input: variety, endure, level, fair, milky


Output: endure