Complex sentence: Wapping Dock is a dock on the River Mersey and part of the Port of Liverpool it is situated in the southern dock system, connected to Salthouse Dock to the north, Queens Dock to the south.
Split into simpler sentences: Wapping Dock is a dock on the River Mersey and part of the Port of Liverpool. It is situated in the southern dock system, connected to Salthouse Dock to the north, Queens Dock to the south.