— Warren Buffett is making the biggest bet of his long investment career, a $32.36 billion buyout of Precision Castparts in a deal that will continue to reshape his Berkshire Hathaway conglomerate.
Take context from the input text and decide on the accurate relationship between 'Warren Buffett' and 'Berkshire Hathaway' from the options provided.
Options: headquarters location, brand, owner of, member of