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]: concerned, fret, notes, frustrated, worried
[EX A]: notes

[EX Q]: emotional upsets, emotional supports, down, ashamed, up
[EX A]: up

[EX Q]: fudge, unlicensed, cookies, invent, falsehood
[EX A]:
cookies