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, notes, emotional state, bored, emotional upsets
[EX A]: notes

[EX Q]: clime, level, cool, tone, fair
[EX A]: clime

[EX Q]: hoist, crane, heron, excavator, swift
[EX A]:
excavator