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]: deal, fair, endure, windy, ghostly
[EX A]: ghostly

[EX Q]: goodies, sausage, frank, bold, entree
[EX A]: bold

[EX Q]: fret, headstock, fingerpick, jack, nervous
[EX A]:
nervous