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]: doughnut, fritter, fried, pie, seperate
[A]: seperate


[Q]: size, unjust, tone, fair, medium
[A]: unjust


[Q]: emotional upsets, string, pick, fret, jack
[A]:
emotional upsets