Which sentence best explains how the introductory paragraph contributes to the development if ideas in the passage?

odysseus shows many acts of bravery in homer's epic poem the odyssey. first, he shows bravery when he tricks polyphemus, the cyclops, and gouges out his eye. this is an act of bravery. it will also cost him because polyphemus was the son of poseidon, the god of the sea.

explanation:

  this riddles' answer is library.

  the "leaves" are a reference to the books' pages that the library contains; the branches are a network of libraries that connect multiple libraries' collections, resources, and items in a system of a common database, integrating them; the branches' organization are a useful management tool for coordinating the multiple collections many libraries have.