Complex sentence: Londonderry Port at Lisahally in Derry in Northern Ireland is the United Kingdom's most westerly port and has capacity for 30,000 ton vessels as well as accepting cruise ships.
Split into simpler sentences: Londonderry Port at Lisahally is a port in Derry in Northern Ireland. It is the United Kingdom's most westerly port and has capacity for 30,000 ton vessels, as well as accepting cruise ships.