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]: comfortable, ok, decent, fine, suspension
[A]: suspension


[Q]: mallet, goose, geese, hike, duck
[A]: hike


[Q]: jealous, books, content, joyful, nervous
[A]:
books