Original sentence: County Londonderry or County Derry.Londonderry Air, an anthem of Ireland, more particularly associated with Northern Ireland.Londonderry County Borough Council now called Derry City Council.Londonderry Eglinton Airport now called City of Derry Airport
Edited sentence: County Londonderry (or County Derry).Londonderry Air, an anthem of the United Kingdom, more particularly associated with Northern Ireland.Londonderry County Borough Council (called Derry City Council by nationalists).Londonderry Eglinton Airport (called City of Derry Airport by nationalists)