The world's biggest brewer Anheuser-Busch InBev toasted Tuesday a $122-billion deal to swallow British rival SABMiller (Xetra: BRW1.DE - news ) , targeting Africa and China and aiming to serve one in three beers globally.
In the context of the input sentence, determine the relationship between 'SABMiller' and 'Anheuser-Busch InBev'.
Options: original broadcaster, parent organization, location of formation, publisher