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


[Q]: regular, general, captain, ubiquitous, popular
[A]: captain


[Q]: fine, prime, arrest, hot, jail time
[A]:
hot