Complex sentence: On 17 December 2008, Abhisit Vejjajiva, leader of the Democrat Party was appointed as Prime Minister, following the prohibition of Somchai Wongsawat, former Prime Minister and former deputy leader of People's Power Party from politics for five years by the ConCourt.
Split into simpler sentences: On 17 December 2008, Abhisit Vejjajiva, leader of Democrat Party appointed as Prime Minister. After Somchai Wongsawat, former Prime Minister and former deputy leader of People's Power Party was prohitibited from politics for five years by the ConCourt.