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: impartial, pale, fair, dishonest, well

A: pale
****
Q: bow, fold, hull, deck, head

A: fold
****
Q: fret, jack, emotional upsets, notes, truss rod

A:
emotional upsets
****