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.

Q: honorable, tangle, clime, make the grade, fair

A: honorable
****
Q: tone, just, equitable, fair, unprejudiced

A: tone
****
Q: let go, water, empower, fire, retire

A:
water
****