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]: ostrich, hoist, egret, crane, parrot
[EX A]: hoist

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

[EX Q]: mallet, derrick, davit, crane, hoist
[EX A]:
davit