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: decent, well, flaxen, fair, unjust

Answer: flaxen


Question: knockout, blocking, crew, tko, deck

Answer: crew


Question: firm, common, taut, corporation, leverage

Answer:
taut