Utilize the input text as a context reference, choose the right relationship between Gmail and Google 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.

Many Google services, such as its free Gmail email, are blocked in China.

Answer: owned_by