Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.

Q: Category: nutritional value
Words: sugar, calories, iron, fat, area

A: area
****
Q: Category: date status
Words: belated, current, tide, up to the moment, postponed

A: tide
****
Q: Category: employment activity
Words: praise, remove, empower, air, fire

A:
air
****