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]: mallet, goose, geese, hike, duck
[EX A]: hike

[EX Q]: emotional state, opposite of up, unhappy, down, miserable
[EX A]: opposite of up

[EX Q]: jail, neat, fine, jail time, flyaway
[EX A]:
neat