Complex sentence: During the 2010--11 season Poole Town won the Wessex League Premier Division for the 3rd consecutive season and reached the semi-final of the FA Vase and the Fourth Qualifying Round of the FA Cup.
Split into simpler sentences: During the 2010--11 season Poole Town achieved further success winning the Wessex League Premier Division for the 3rd consecutive season. They also enjoyed runs to the semi-final of the FA Vase and reached the Fourth Qualifying Round of the FA Cup.