Her political activism throws the apathy of others into sharp 'relief'. [=makes the apathy of others very noticeable]
His character provides a little 'comic relief' in what is otherwise a very serious and dramatic movie.
Just one day of sunshine would be a welcome 'relief' from the rainy weather we've been having lately.
(..) As a random, not a specific example. Would you still enjoy my company? Of course, you don't judge a book by its cover. Or a person from the outside. Oh, that's a relief to hear. You judge them based on their actions. Well that seems kinda petty, don't you think. - You. - What, what? (..)2010 Megamind