Utilize the input text as a context reference, choose the right relationship between SABMiller and Anheuser-Busch InBev from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

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.

Answer: parent_organization