Refer to the input text as context and select the correct relationship between 'SABMiller' and 'Anheuser-Busch InBev' from the available options.
Options: parent organization, chief executive officer, headquarters location, owner of

* Anheuser-Busch InBev explores $280bn mega deal for SABMiller (Amsterdam: MI8.AS - news ) * Another takeover challenge for SABMiller’s chairman Separately, Société Générale upgraded the stock to “buy”, lifting its target price by £8 to £43.
parent organization