Complex sentence: As a consequence of the loss of Jerusalem at the end of 1917, the commanders of the Ottoman army in Palestine which became known as the Yildirim Army Group changed; the Germany General Erich von Falkenhayn was replaced by the German General Otto Liman von Sanders.
Split into simpler sentences: As a consequence of the loss of Jerusalem at the end of 1917, the commanders of the Ottoman armies in Palestine changed. The Yildirim Army Group commander Germany General Erich von Falkenhayn was replaced by the German General Otto Liman von Sanders.