Refer to the input text as context and select the correct relationship between 'Smirnoff' and 'Diageo' from the available options.
Options: stock exchange, manufacturer, industry, platform

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