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]: replace, fire, retire, air, remove
[EX A]: air

[EX Q]: truss rod, emotional supports, emotional upsets, emotionalities, fret
[EX A]: truss rod

[EX Q]: jump, fall, leaves, roll, swim
[EX A]:
leaves