Analyze the relationship between 'SABMiller' and 'Anheuser-Busch InBev' within the context of the input sentence.
Options: chairperson, distributed by, parent organization, headquarters location

However, there were signs elsewhere that merger activity remained alive, with SAB Miller shares rising 4.1 percent after the Sunday Times newspaper reported that Anheuser-Busch InBev SA could bid about $106 billion for SABMiller (Xetra: BRW1.DE - news ) within days.
parent organization