Complex sentence: Otelo Nuno Romão Saraiva de Carvalho, GCL (born August 31,1936, Lourenço Marques, Overseas Province of Mozambique, Portugal), formerly a Portuguese military officer, was the chief strategist of the 1974 Carnation Revolution in Lisbon.
Split into simpler sentences: Otelo Nuno Romão Saraiva de Carvalho, GCL (born August 31,1936, Lourenço Marques, Overseas Province of Mozambique, Portugal), is a retired Portuguese military officer. He was the chief strategist of the 1974 Carnation Revolution in Lisbon.