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.

** Anheuser-Busch InBev and SABMiller, the world's top two brewers, have agreed in principle to one of the biggest mergers in corporate history after a near month-long courtship resulted in SABMiller accepting an offer worth more than $100 billion.

Answer: parent_organization