Utilize the input text as a context reference, choose the right relationship between 'Yum Brands' and 'Pizza Hut' from the options.
Options: location of formation, owner of, platform, manufacturer

Aug 18 (Reuters) - Yum Brands Inc on Tuesday announced new leadership for its China business as investor activists lobby for the owner of the KFC and Pizza Hut brands to spin off that business, which is its biggest driver of revenue and profit.
owner of