Utilize the input text as a context reference, choose the right relationship between Bing 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.

Microsoft also claimed success with Bing search and advertising, which grew by 21 percent, while Microsoft's Xbox division grew by 27 percent.

Answer: operator