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]: warm, optimist, hot, relaxing, cool
[EX A]: optimist

[EX Q]: specialty, content, angry, program, activity
[EX A]: angry

[EX Q]: gin, wine, beer, vodka, hearts
[EX A]:
hearts