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]: comfortable, ok, decent, fine, suspension
[EX A]: suspension

[EX Q]: up to the moment, tide, current, jetstream, brine
[EX A]: up to the moment

[EX Q]: hot, optimist, cool, calm, relaxed
[EX A]:
hot