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]: fret, worried, chord, notes, headstock
[EX A]: worried

[EX Q]: concise, vittles, wiener, provision, frank
[EX A]: concise

[EX Q]: loyal, sunny, fair, balanced, impartial
[EX A]:
sunny