In the context of the input sentence, determine the relationship between 'Aussie' and 'Sydney'.
Options: operator, distribution format, developer, headquarters location

PT1M48S 620 349 Autoplay On Off Video feedback Video settings Sydney and Melbourne real estate not off the bubble yet Arise Steve Keen, forecaster of the year Aussie dollar at fair value, say economists China stock market crash worse than a Grexit First, the good news.
headquarters location