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: hot, optimist, cool, calm, relaxed

Output: hot


Input: Consider Input: pretty, bright, calm, fine, handsome


Output: calm