Refer to the input text as context and select the correct relationship between 'Commonwealth Bank' and 'Sydney' from the available options.
Options: platform, headquarters location, chief executive officer, operator

"I'm happy to try and make a contribution - I think I can do that better doing what I'm doing," Mr Goyder told Fairfax Media after delivering the Sir John Monash Oration at the Commonwealth Bank headquarters in Sydney on Tuesday night.
headquarters location