Complex sentence: After the relegation of Hereford United to League Two, Trewick assumed the role of manager from Graham Turner, but he was dismissed from the Hereford manager's post on 8 March 2010.
Split into simpler sentences: After the relegation of Hereford United to League Two, Trewick assumed the role of manager from Graham Turner. He was dismissed from the Hereford manager's post on 8 March 2010.