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]: concrete pourer, winch, excavator, hoist, crane
[A]: hoist

[Q]: dangle, fly, bee, bats, bike
[A]: bike

[Q]: pretty, bright, calm, fine, handsome
[A]:
calm