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]: size, unjust, tone, fair, medium
[EX A]: unjust

[EX Q]: blunt, sausage, hot dog, frank, wienerwurst
[EX A]: blunt

[EX Q]: horse, duck, pig, stoop, ostrich
[EX A]:
stoop