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]: deck, caution, suits, queen, check
[EX A]: caution

[EX Q]: air, fire, hire, ban, promote
[EX A]: air

[EX Q]: fret, strap lock, fingerpick, emotional state, pick
[EX A]:
emotional state