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]: rudder, bow, pack, crew, deck
[EX A]: pack

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

[EX Q]: spatula, plate, glass, fiberglass, bowl
[EX A]:
fiberglass