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]: air, fire, hire, ban, promote
[A]: air


[Q]: jog, waggle, pounce, fly, bats
[A]: jog


[Q]: balanced, well, milky, size, fair
[A]:
balanced