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]: acceptable, mad, fine, comfortable, probation
[EX A]: probation

[EX Q]: rudder, bow, pack, crew, deck
[EX A]: pack

[EX Q]: down, emotional, south, kind, unhappy
[EX A]:
south