What is the relationship between 'Smirnoff' and 'Diageo' in the context of the input sentence.
Options: publisher, headquarters location, parent organization, owned by

Retail and Consumer Diageo faces claims it artificially inflated sales SEC asks British drinks giant for further information on allegations it sent more cases of alcohol to its clients than they required Diageo makes Guinness and Smirnoff vodka Photo: Bloomberg
owned by