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.

Q: fearful, food, content, nervous, excited

A: food
****
Q: fret, emotional supports, output cord, angry, concerned

A: output cord
****
Q: skinny, fat, salt, calories, sugars

A:
skinny
****