Utilize the input text as a context reference, choose the right relationship between Daimler AG and Stuttgart 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.

Thomson Reuters Daimler AG CEO Zetsche attends company's annual news conference in Stuttgart

Answer: headquarters_location