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: fine, wispy, alright, mad, well
Example Output: wispy

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

Example Input: falsehood, wrongful, loosen, tart, fudge
Example Output:
tart