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: fret, angry, jack, nervous, emotionalities

Output: jack


Input: Consider Input: cold, deal, make the grade, unprejudiced, fair

Output: unprejudiced


Input: Consider Input: near, close, shut down, steady, busy


Output: near