What is the central idea in this excerpt from act III of Romeo and Juliet?

Juliet doesn’t care that her cousin Tybalt has been killed, but she is upset about Romeo’s banishment so soon after their marriage.
Juliet is upset about the death of her cousin, but she realizes that Romeo killed Tybalt in self-defense. She is more upset that her husband has been banished from Verona.
Juliet realizes that the hatred between the Capulets and Montagues will deepen after the tragedy. She believes that they should end their marriage before Romeo is banished from Verona.
Juliet is enraged with Romeo for murdering her cousin Tybalt. She decides to end her marriage with him to show her loyalty to her family.