Utilize the input text as a context reference, choose the right relationship between Rupert Murdoch and 21st Century Fox from the options. 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.

While the size of Rupert Murdoch 's pay packet was getting everyone's attention on Wednesday - 21st Century Fox revealed that his remuneration dropped slightly to $US27.9 million ($39.8 million) last year - people might have missed a more seismic development at the media giant.

Answer: owner_of