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.

Example Input: nervous, bored, emotional supports, chord, fret
Example Output: chord

Example Input: provision, fortitude, frank, brash, honest
Example Output: provision

Example Input: falsehood, cookies, fudge, cream, molasses
Example Output:
falsehood