Prince: romeo slew him, he slew mercutio; who now the price of his dear blood doth owe?
montague: not romeo, prince, he was mercutio’s friend, 155 his fault concludes but what the law should end, the life of tybalt.
prince: and for that offence immediately we do exile him hence: i have an interest in your hate’s proceeding, 160 my blood for your rude brawls doth lie a-bleeding; but i’ll amerce you with so strong a fine that you shall all repent the loss of mine.

in this excerpt, the prince is an antagonist because he?