What is the relationship between SABMiller and Anheuser-Busch InBev in the context of the input sentence. Choose an answer from: 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