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.

[EX Q]: clothing, content, service, substance, ecstatic
[EX A]: ecstatic

[EX Q]: clan, place, club, community, toast
[EX A]: toast

[EX Q]: loyal, fair, well, balanced, warm
[EX A]:
warm