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: specialty, content, angry, program, activity

Output: angry


Input: Consider Input: fair, pale, 70, clime, tangle

Output: pale


Input: Consider Input: club, burger, bacon, clan, grilled cheese


Output: clan