You can do this, i believe that you can do it :)
Because it is so old that it helps keep the feeling of the poem going
It's the complete predicate.
Answer:
Benvolio tells the Prince the story of the brawl, emphasizing Romeo's attempt to keep the peace, but Lady Capulet, Tybalt's aunt, cries that Benvolio is lying to protect the Montagues. She demands Romeo's life.