Utilize the input text as a context reference, choose the right relationship between Bill Gates and Microsoft from the options. Options: 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.
Text: Created in 2000 by Microsoft Corp (MSFT.O) co-founder Bill Gates and his wife Melinda, the foundation focuses on improving education and health and reducing poverty.
user
owner_of
assistant