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]: decent, well, flaxen, fair, unjust
[A]: flaxen


[Q]: summer, roll, plummet, fall, exercise
[A]: summer


[Q]: attractive, prime, fine, hot, neat
[A]:
prime