Utilize the input text as a context reference, choose the right relationship between Merkel and Germany 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.

Merkel said Germany was ready to open the chapter on economic and monetary policy this year, and make preparations for opening the chapters on rights and justice.

Answer: headquarters_location