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]: jog, car, bike, bats, fly
[EX A]: bats

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

[EX Q]: train, drive, swim, fly, beetle
[EX A]:
beetle