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]: elephant, duck, sprint, dog, lion
[A]: sprint


[Q]: ashamed, disgusted, emotional upsets, right, down
[A]: right


[Q]: walk, jog, fly, drive, fish
[A]:
fish