Complex sentence: After learning that Prime Intellect had destroyed distant alien civilizations as a possible threat to humanity, Caroline decides to meet Lawrence and confront him, and after an arduous journey she reaches him, only to discover that he has no real control over Prime Intellect's actions.
Split into simpler sentences: After learning that Prime Intellect had destroyed distant alien civilizations as a possible threat to humanity, Caroline decides to meet Lawrence and confront him. After an arduous journey she reaches him, only to discover that he has no real control over Prime Intellect's actions.