Complex sentence: Following their review of parliamentary representation in Hampshire, the Boundary Commission for England has created a new seat in the county: a new Meon Valley constituency was formed in 2010 from parts of the old Winchester seat.
Split into simpler sentences: Following their review of parliamentary representation in Hampshire, the Boundary Commission for England has created a new seat in the county. A new Meon Valley constituency was formed in 2010 from parts of the old Winchester seat.