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]: string, frustrated, chord, output cord, fret
[A]: frustrated


[Q]: submarine, place, discothek, club, team
[A]:
submarine