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.

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


[Q]: data sets, sea, prompt, timely, current
[A]: sea


[Q]: even, house, paved, flat, even
[A]:
even