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: grasshopper, fly, swim, dangle, jog

Output: jog


Input: Consider Input: loveful, up, down, remorseful, melancholy

Output: up


Input: Consider Input: emotional, string, sad, fret, emotional supports


Output: string