Complex sentence: The AI explains that Clark was sent to Earth to guide its people, and presents him with a Kryptonian uniform bearing the crest of the House of El. While following Clark, Lois accidentally triggers the ship's security system.
Split into simpler sentences: The AI explains that Clark was sent to Earth to guide its people, and presents him with a Kryptonian uniform bearing his family's symbol. Meanwhile, Lois, who had been following Clark, accidentally triggers the ship's security system.