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]: sea turtle, whale, dog, fish, hunting
[A]: hunting


[Q]: bow, duck, sheep, goose, geese
[A]: bow


[Q]: emotional state, fret, output cord, truss rod, neck
[A]:
emotional state