sentence: On the maths test , Australian girls slightly outperformed girls from Estonia , Belgium and Germany , while girls from New Zealand , Macau , the Netherlands , Canada , Japan , Switzerland , Liechtenstein , Finland , South Korea , Hong Kong and Singapore outperformed their Australian counterparts .
question: who was _ tested _ _ _ ?
answers: girls from Estonia , Belgium and Germany girls from New Zealand , Macau , the Netherlands , Canada , Japan , Switzerland , Liechtenstein , Finland , South Korea , Hong Kong and Singapore Australian girls