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]: mallet, winch, parrot, winch, crane
[EX A]: winch

[EX Q]: concerned, strap lock, anxious, bored, fret
[EX A]: strap lock

[EX Q]: cookies, rich, brownie, fudge, loosen
[EX A]:
loosen