Utilize the input text as a context reference, choose the right relationship between SABMiller and Anheuser-Busch InBev 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.

Mega-deals such as the $US245 billion ($348 billion) proposed tie-up between Anheuser-Busch InBev and SABMiller have captured investor attention.

Answer: parent_organization