Complex sentence: Later, after being chased home, Steve finds Blue Ribbon member Lorna Longley in his living room, ostensibley waiting up after tutoring Steve's younger sister while Steve's parents are "At a meeting".
Split into simpler sentences: Later, after being chased home, Steve finds Blue Ribbon member Lorna Longley in his living room, ostensibley waiting up after tutoring Steve's younger sister. Lindsey, while Steve's parents are "At a meeting".