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: ring, deck, pack, box, level

A: pack
****
Q: alright, fine, annoyed, high quality, content

A: high quality
****
Q: thin, brittleness, bulky, big, fat

A:
big
****