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]: fat, ugly, sugar, salt, protein
[EX A]: ugly

[EX Q]: dock, canvas, deck, blocking, caution
[EX A]: dock

[EX Q]: swift, parrot, crane, winch, hummingbird
[EX A]:
winch