Analyze the relationship between 'SABMiller' and 'LONDON' within the context of the input sentence.
Options: distributed by, headquarters location, founded by, chief executive officer

LONDON (AP) - The world's two biggest brewers could be joining forces after Anheuser-Busch InBev, the maker of Budweiser and Corona, said Wednesday it has made a takeover approach to SABMiller Plc, the owner of Miller Genuine Draft and Peroni.
headquarters location