Utilize the input text as a context reference, choose the right relationship between Commonwealth Bank and SYDNEY 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.

SYDNEY (Reuters) - Commonwealth Bank of Australia (CBA.AX), the country's largest lender, has ended its role as financial adviser to Indian conglomerate Adani Mining's (ADEL.NS) multibillion dollar Carmichael Mine, a further blow to the controversial project.

Answer: headquarters_location