Complex sentence: Later, Orlando proposes to Helen, promising to love and take care of her forever, but before Helen can respond she sees the shooting on the news and immediately races over to the hospital with Brian where they run into Brenda.
Split into simpler sentences: Later, Orlando proposes to Helen, promising to take care of love her forever. But before Helen can responde, she sees the shooting on the news and races to the hospital with Brian, where they run into Brenda.