P&G hopes to pay dividends and retire shares worth up to $70 billion over a four-year period from fiscal years 2016-19 through a combination of shares eliminated via the deal with Coty and the sale of the $2 billion Duracell battery brand to Berkshire Hathaway, as well as ongoing share repurchases.
What is the relationship between 'Duracell' and 'battery' in the context of the input sentence.
Options: headquarters location, distributed by, parent organization, product/material produced