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: fudge, banned, brownie, unwarranted, fib
Example Output: brownie

Example Input: ashamed, disgusted, emotional upsets, right, down
Example Output: right

Example Input: just, ok, honorable, fair, sunny
Example Output:
sunny