Complex sentence: The Siddeley Puma was a British aero engine developed towards the end of World War I and produced by Siddeley-Deasy.The first engines left the production lines of Siddeley-Deasy in Coventry in August 1917 and the production continued until December 1918.
Split into simpler sentences: The Siddeley Puma was a British aero engine developed towards the end of World War I und produced by Siddeley-Deasy. First engines leaves the production lines of Siddeley-Deasy in Coventry in August 1917 and the production continues until December 1918.