Complex sentence: The River Gadden is long and is a tributary of the River Wissey Rising from a tiny headwater in the north-east of the parish of Cockley Cley in the English county of Norfolk.
Split into simpler sentences: The River Gadden is long and is a tributary of the River Wissey. It rises from a tiny headwater in the north-east of the parish of Cockley Cley in the English county of Norfolk.