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: dog, push, duck, squat, jog

Output: dog


Input: Consider Input: goodies, weenie, blunt, wiener, frank

Output: blunt


Input: Consider Input: fret, truss rod, emotional upsets, sad, worried


Output: truss rod