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]: level, impartial, fair, tone, cool
[A]: impartial


[Q]: loveful, up, down, remorseful, melancholy
[A]: up


[Q]: calm, level, pretty, fine, classy
[A]:
calm