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