What is the relationship between Berkshire Hathaway and Warren Buffett in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Other Articles American Airlines Boeing 777-200 flight lands in Japan for generator issue ICRA downgrades Jindal Steel and Power ratings Warren Buffett says Berkshire Hathaway still shopping abroad Infrastructure company IL&FS Transportation Networks today said its subsidiaries have signed two agreements with NHAI worth Rs 4,173.92 crore for four-laning two sections of NH-6 in Maharashtra.

Answer: owned_by