-- U.S. company Berkshire Hathaway (Sao Paolo: BERK34.SA - news ) to acquire U.S. personal care and cosmetics company Procter & Gamble's Duracell battery unit (approved July 23)
Utilize the input text as a context reference, choose the right relationship between 'Duracell' and 'Berkshire Hathaway' from the options.
Options: parent organization, owned by, business division, legal form