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]: melancholy, descending, emotionalities, emotional, down
[EX A]: descending

[EX Q]: fine, detached, decent, well, beautiful
[EX A]: beautiful

[EX Q]: kind, down, melancholy, opposite of up, unhappy
[EX A]:
opposite of up