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]: just, make the grade, well, unjust, fair
[A]: make the grade


[Q]: run, bats, fly, flutter, spider
[A]: flutter


[Q]: level, size, light, clime, fair
[A]:
clime