Take context from the input text and decide on the accurate relationship between 'News Corp' and 'newspaper' from the options provided.
Options: creator, original broadcaster, brand, product/material produced

News Corp also said Tony Gallagher, currently deputy editor at the Daily Mail, a rival to the Murdoch titles, would become editor-in-chief of the Sun, its daily tabloid which is the highest-selling newspaper in Britain.
product/material produced