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]: impartial, pale, fair, dishonest, well
[EX A]: pale

[EX Q]: happy, substance, shop, tools, content
[EX A]: happy

[EX Q]: inferno, flame, combustion, fire, scold
[EX A]:
scold