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]: sergeant, general, standard, plain, ordinary
[A]: sergeant


[Q]: up to the moment, current, detests, tide, history
[A]: tide


[Q]: tone, endure, raining, fair, windy
[A]:
tone