Original sentence: Corus, is part of the Tata Group and together with Tata steel they are the world's fifth largest steel producer, Corus is headquartered in London, it was formed from the merger of Koninklijke Hoogovens N
Edited sentence: Corus, is one of the world's largest producers of steel, headquartered in London.Part of India's Tata Group which includes Tata Steel, it was formed from the merger of Koninklijke Hoogovens N