Take context from the input text and decide on the accurate relationship between 'Business Wire' and 'Berkshire Hathaway' from the options provided.
Options: owned by, chairperson, publisher, location of formation

Business Wire is a unit of Warren Buffett's Berkshire Hathaway Inc, and PR Newswire is a unit of Britain's UBM Plc (LSE: UBM.L - news ) .
owned by