Refer to the input text as context and select the correct relationship between 'News Corp' and 'newspaper' from the available options.
Options: brand, product/material produced, creator, original broadcaster

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