Complex sentence: Chaudhry Mohammad Ali (Punjabi,; July 15,1905--December 2,1980) was the fourth Prime Minister of Pakistan and a civil service officer, serving from 12 August 1955 until 12 September 1956.
Split into simpler sentences: Chaudhry Mohammad Ali (Punjabi,; July 15,1905--December 2,1980) was the fourth Prime Minister of Pakistan and a civil service officer. He served as the Prime Minister from 12 August 1955 until 12 September 1956.