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]: motherboard, schedule appointments, schedule, file, type
[EX A]: motherboard

[EX Q]: vitamin c, carbs, fiber, fat, thin
[EX A]: thin

[EX Q]: remorseful, descending, emotional state, down, emotional upsets
[EX A]:
descending