Take context from the input text and decide on the accurate relationship between 'Duracell' and 'battery' from the options provided.
Options: creator, distributed by, product/material produced, operator

-- 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 (notified June 23/deadline July 29)
product/material produced