Utilize the input text as a context reference, choose the right relationship between 'SABMiller' and 'Anheuser-Busch InBev' from the options.
Options: stock exchange, headquarters location, owned by, product/material produced

LONDON, Sept 29 (Reuters) - Anheuser-Busch InBev is asking banks to underwrite up to $70 billion in debt financing to back its potential takeover of SABMiller (Xetra: BRW1.DE - news ) , banking sources said.
owned by