(AP) -- 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.
Refer to the input text as context and select the correct relationship between 'Warren Buffett' and 'Berkshire Hathaway' from the available options.
Options: director/manager, legal form, distributed by, owner of