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: luke, make the grade, fair, milky, deal

Output: milky


Input: Consider Input: equitable, just, fair, loyal, even

Output: even


Input: Consider Input: keys, file, download, folder, type


Output: type