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: blunt, sausage, hot dog, frank, wienerwurst

Output: blunt


Input: Consider Input: fair, endure, mild, color, tangle

Output: color


Input: Consider Input: cool, calm, warm, persistent, level


Output: warm