Utilize the input text as a context reference, choose the right relationship between Smirnoff and Diageo 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.

The Smirnoff vodka maker will buy out the Dutch brewer’s stake in Brandhouse, a sales and marketing entity, while Heineken will focus on beer, ending a joint venture with Diageo that began in 2004 to sell spirits, beer and cider in Africa.

Answer: parent_organization