AMP Capital managing director office and industrial Louise Mason said the landmark Quay Quarter Sydney project was a "further demonstration of AMP Capital's long-term commitment to Circular Quay", where it built Australia's first skyscraper and where the company has been located for more than 50 years.
What is the relationship between 'AMP Capital' and 'Sydney' in the context of the input sentence.
Options: currency, headquarters location, director/manager, subsidiary