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: crying, truss rod, angry, emotional supports, fret
Example Output: truss rod

Example Input: trustworthy, decent, fair, tone, ok
Example Output: tone

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