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]: sausage, hot dog, concise, frank, weenie
[EX A]: concise

[EX Q]: blue, current, drink, water, prompt
[EX A]: prompt

[EX Q]: swim, push, horse, dodge, duck
[EX A]:
horse