What is the relationship between 'SABMiller' and 'Anheuser-Busch InBev' in the context of the input sentence.
Options: industry, parent organization, currency, brand

Its statement said: The board of SABMiller notes the recent press speculation and confirms that Anheuser-Busch InBev has informed SABMiller that it intends to make a proposal to acquire SABMiller.
parent organization