Analyze the relationship between 'Commonwealth Bank' and 'SYDNEY' within the context of the input sentence.
Options: parent organization, headquarters location, founded by, product/material produced

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.
headquarters location