Original sentence: In the Battle of Groenkop (Battle of Tweefontein) on 25 December 1901, Head Commandant Christiaan de Wet's Boer commando surprised and cut to pieces a force of British yeomanry under the command of Major Williams
Edited sentence: In the Battle of Groenkop (Battle of Tweefontein) on 25 December 1901, Head Commandant Christiaan de Wet's Boer commando surprised and defeated a force of British yeomanry under the command of Major Williams