Original sentence: The Pentland Skerries (Old Norse: Pettlandssker ) are a group of four uninhabited islands lying in the Pentland Firth, northeast of Duncansby Head and south of South Ronaldsay in Scotland
Edited sentence: The Pentland Skerries (Old Norse: Pettlandssker) are a group of four uninhabited islands lying in the Pentland Firth, northeast of Duncansby Head and south of South Ronaldsay in Scotland