What is the relationship between 'Berkshire Hathaway' and 'Warren Buffett' in the context of the input sentence.
Options: owned by, product/material produced, publisher, manufacturer

Berkshire Hathaway (NYSE: BRK.A) 's Warren Buffett said Tuesday the U.S. economy is growing at about 2 percent, and he's planning to invest $32 billion in the next four to five months.
owned by