In the context of the input sentence, determine the relationship between 'Smirnoff' and 'Diageo'.
Options: manufacturer, industry, platform, stock exchange

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.
manufacturer