The end of Act II sees the two couples fractured by Jack and Algernon’s deceptions, and yet the tone of the play remains light and silly. How does Wilde accomplish this?

Which sentence uses the denotative meaning of the word blue? i was feeling pretty blue when i lost my favorite earrings. i wore a blue scarf to complement the color of my eyes. the characters in the book all seemed rather blue. the movie’s ending always puts me in a blue mood.