Which sentence uses the plural possessive form of man?

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.

Scientific inquiry refers to the diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather. select the best answer from the choices provided t f

Ispeak italian.. c'è qualcuno di italiano qua?