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]: invent, smuggled, smear, fudge, pie
[EX A]: pie

[EX Q]: fair, make the grade, trustworthy, alright, just
[EX A]: make the grade

[EX Q]: kitten, paw, fawn, cajole, lust
[EX A]:
kitten