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]: sugars, obese, big boned, fat, pasty
[EX A]: sugars

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

[EX Q]: format, download, hardware, schedule appointments, file
[EX A]:
schedule appointments