What is the relationship between SABMiller and Anheuser-Busch InBev in the context of the input sentence. Choose an answer from: 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