** 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.
Take context from the input text and decide on the accurate relationship between 'SABMiller' and 'Anheuser-Busch InBev' from the options provided.
Options: publisher, chairperson, distribution format, parent organization