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.
--------
Question: lead, glass, spoon, fiberglass, spyhole

Answer: spoon


Question: fair, unprejudiced, impartial, honorable, variety

Answer: variety


Question: fret, bored, sad, frustrated, chord

Answer:
chord