Complex sentence: She was elected the new DA parliamentary leader on 27 October 2011, beating incumbent Athol Trollip in a tight race, becomming the first person of color to lead the Democratic Alliance in parliament.
Split into simpler sentences: She was elected the new DA parliamentary leader on 27 October 2011, beating incumbent Athol Trollip in a tight race. She became the first person of color to lead the Democratic Alliance in parliament.