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.

Category: elements 
Words: ban, fire, combustion, ground, flame
ban

Category: direction 
Words: right, descending, down, opposite of up, emotional supports
emotional supports

Category: aesthetic characteristic 
Words: variety, fair, alright, pale, flaxen

alright