Complex sentence: Shortly after his release, Sukarno became President of the Central Advisory Council, an advisory council for south Borneo, Celebes, and Lesser Sunda, set up in February 1945.
Split into simpler sentences: Shortly after his release, Sukarno became the President of Central Advisory Council. An advisory council for south Borneo, Celebes and Lesser Sunda was also set-up in February 1945.