Given phrases that describe the relationship between two words/phrases as options, extract the word/phrase pair and the corresponding lexical relationship between them from the input text. The output format should be "relation1: word1, word2; relation2: word3, word4". Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

New York, NY - (September 2, 2015) - News Corp today announced leadership changes at News UK, with the appointment of Rebekah Brooks as Chief Executive Officer, David Dinsmore as Chief Operating Officer, and Tony Gallagher as Editor-in-Chief of The Sun, Britain's largest selling daily newspaper.

Answer: position_held: Rebekah Brooks, Editor-in-Chief