Complex sentence: The headmistress, Madame Morrible, decides to take Nessarose under her protection, despite Elphaba's objections, now without a roommate and ends up with Galinda, to the disgust of both.
Split into simpler sentences: The headmistress, Madame Morrible, decides to take Nessarose under her protection, despite Elphaba's objections. Elphaba is now without a roommate and ends up with Galinda, to the disgust of both.