Complex sentence: A young American soldier, hit by a shell on the last day of the First World War, lies in a hospital bed, a quadruple amputee who has lost his eyes, ears, mouth and nose.
Split into simpler sentences: A young American soldier, hit by a shell on the last day of World War I, lies in a hospital bed. He is a quadruple amputee who has also lost his eyes, ears, mouth and nose.