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.
Refer to the input text as context and select the correct relationship between 'Yum Brands' and 'KFC' from the available options.
Options: employer, owned by, owner of, subsidiary