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.

[EX Q]: bike, beetle, leap, ant, fly
[EX A]: bike

[EX Q]: crane, goose, hoist, pelican, hummingbird
[EX A]: hoist

[EX Q]: unbending, unyielding, inflexible, firm, streamline
[EX A]:
streamline