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]: fret, angry, jack, nervous, emotionalities
[A]: jack


[Q]: meeting, community, lettuce, club, cinema
[A]: lettuce


[Q]: stoop, crouch, bow, duck, dog
[A]:
dog