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]: fair, raining, equitable, impartial, unjust
[EX A]: raining

[EX Q]: ounce, foot, kilometer, milimeter, heel
[EX A]: heel

[EX Q]: fret, string, bored, inlays, pick
[EX A]:
bored