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: up to the moment, current, detests, tide, history

A: tide
****
Q: bowl, plastic, glass, panel, lead

A: bowl
****
Q: size, unjust, tone, fair, medium

A:
unjust
****