With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Australia has a treaty with both the United States and New Zealand to cooperate on military matters worldwide.
text_B: Australia -LRB- -LSB- əˈstreɪliə -RSB- , -LSB- ɒ - -RSB- , -LSB- - ljə -RSB- -RRB- , officially the Commonwealth of Australia , is a country comprising the mainland of the Australian continent , the island of Tasmania and numerous smaller islands .. Australian. Australians. Australian continent. Australia ( continent ). Tasmania. Tasmania. smaller islands. list of islands of Australia. It is the world 's sixth-largest country by total area .. sixth-largest country by total area. List of countries and dependencies by area. The neighbouring countries are Papua New Guinea , Indonesia and East Timor to the north ; the Solomon Islands and Vanuatu to the north-east ; and New Zealand to the south-east .. Papua New Guinea. Papua New Guinea. Indonesia. Indonesia. East Timor. East Timor. Solomon Islands. Solomon Islands. Vanuatu. Vanuatu. New Zealand. New Zealand. Australia 's capital is Canberra , and its largest urban area is Sydney .. Canberra. Canberra. Sydney. Sydney. urban area. List of cities in Australia by population. For about 50,000 years before the first British settlement in the late 18th century , Australia was inhabited by indigenous Australians ,. British settlement. History of Australia ( 1788–1850 ). indigenous Australians. indigenous Australians. who spoke languages classifiable into roughly 250 groups .. 250 groups. Australian Aboriginal languages. After the European discovery of the continent by Dutch explorers in 1606 , Australia 's eastern half was claimed by Great Britain in 1770 and initially settled through penal transportation to the colony of New South Wales from 26 January 1788 .. Dutch. Dutch Republic. Great Britain. Kingdom of Great Britain. penal transportation. penal transportation. New South Wales. New South Wales. The population grew steadily in subsequent decades , and by the 1850s most of the continent had been explored and an additional five self-governing crown colonies established .. crown colonies. crown colonies. On 1 January 1901 , the six colonies federated , forming the Commonwealth of Australia .. federated. Federation of Australia. Australia has since maintained a stable liberal democratic political system that functions as a federal parliamentary constitutional monarchy comprising six states and several territories .. parliamentary. parliamentary system. constitutional monarchy. constitutional monarchy. liberal democratic. liberal democracy. federal. Federalism. six states and several territories. States and territories of Australia. The population of 24 million is highly urbanised and heavily concentrated on the eastern seaboard .. urbanised. Urbanization. Australia has the world 's 13th-largest economy and ninth-highest per capita income -LRB- IMF -RRB- .. 13th-largest economy. List of countries by GDP ( nominal ). ninth-highest per capita income. List of countries by GDP ( nominal ) per capita. With the second-highest human development index globally , the country ranks highly in quality of life , health , education , economic freedom , and civil liberties and political rights .. human development index. List of countries by Human Development Index. ranks highly. International rankings of Australia. economic freedom. economic freedom. civil liberties. civil liberties. Australia is a member of the United Nations , G20 , Commonwealth of Nations , ANZUS , Organisation for Economic Co-operation and Development -LRB- OECD -RRB- , World Trade Organization , Asia-Pacific Economic Cooperation , and the Pacific Islands Forum .. United Nations. United Nations. G20. G-20 major economies. Commonwealth of Nations. Commonwealth of Nations. ANZUS. ANZUS. Organisation for Economic Co-operation and Development. Organisation for Economic Co-operation and Development. World Trade Organization. World Trade Organization. Asia-Pacific Economic Cooperation. Asia-Pacific Economic Cooperation. Pacific Islands Forum. Pacific Islands Forum
related.