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]: unflappalbe, refreshing, funny, cool, confident
[EX A]: refreshing

[EX Q]: banned, fudge, invent, cupcake, loosen
[EX A]: cupcake

[EX Q]: grilled cheese, club, place, doorstep, hero
[EX A]:
place