Complex sentence: Eastbourne is a constituency (also known as a seat) for the House of Commons of the UK Parliament created as one of nine in Sussex in 1885, since when the seat has reduced in geographic size reflecting the growth of its main settlement, Eastbourne.
Split into simpler sentences: Eastbourne is a constituency (also known as a seat) for the House of Commons of the UK Parliament. It was created as one of nine in Sussex in 1885, since when the seat has reduced in geographic size reflecting the growth of its main settlement, Eastbourne.