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: banned, fudge, invent, cupcake, loosen

A: cupcake
****
Q: fair, loyal, decent, fine, tone

A: tone
****
Q: alright, fine, decent, relaxed, custody

A:
custody
****