With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The United Kingdom has the world's fifth-largest economy by nominal GDP.
text_B: The United Kingdom of Great Britain and Northern Ireland , commonly known as the United Kingdom -LRB- UK -RRB- or Britain , is a sovereign country in western Europe .. Great Britain. Great Britain. Northern Ireland. Northern Ireland. sovereign country. sovereign country. Ireland. Ireland. Kingdom of Great Britain. Kingdom of Great Britain. Lying off the north-western coast of the European mainland , the United Kingdom includes the island of Great Britain , the north-eastern part of the island of Ireland and many smaller islands .. Great Britain. Great Britain. European mainland. Continental Europe. Ireland. Ireland. Northern Ireland is the only part of the United Kingdom that shares a land border with another sovereign statethe Republic of Ireland.Although Northern Ireland is the only part of the UK that shares a land border with another sovereign state , two of its Overseas Territories also share land borders with other sovereign countries .. Northern Ireland. Northern Ireland. Ireland. Ireland. a land border. Republic of Ireland–United Kingdom border. Republic of Ireland. Republic of Ireland. its Overseas Territories. British Overseas Territories. Gibraltar shares a border with Spain , while the Sovereign Base Areas of Akrotiri and Dhekelia share borders with the Republic of Cyprus , the Turkish Republic of Northern Cyprus and the UN buffer zone separating the two Cypriot polities .. Gibraltar. Gibraltar. a border. Gibraltar-Spain border. Spain. Spain. Sovereign Base Areas of Akrotiri and Dhekelia. Akrotiri and Dhekelia. Republic of Cyprus. Cyprus. Turkish Republic of Northern Cyprus. Northern Cyprus. buffer zone. buffer zone. Apart from this land border , the United Kingdom is surrounded by the Atlantic Ocean , with the North Sea to its east , the English Channel to its south and the Celtic Sea to its south-south-west , giving it the 12th-longest coastline in the world .. English. English language. Atlantic Ocean. Atlantic Ocean. North Sea. North Sea. English Channel. English Channel. Celtic Sea. Celtic Sea. 12th-longest coastline in the world. List of countries by length of coastline. The Irish Sea lies between Great Britain and Ireland .. Great Britain. Great Britain. Irish. Irish language. Ireland. Ireland. Irish Sea. Irish Sea. With an area of 242500 km2 , the United Kingdom is the 78th-largest sovereign state in the world and the 11th-largest in Europe .. 78th-largest sovereign state in the world. List of countries by area. 11th-largest in Europe. List of European countries by area. It is also the 21st-most populous country , with an estimated 65.1 million inhabitants .. 21st-most populous country. List of countries and dependencies by population. Together , this makes it the fourth-most densely populated country in the European Union -LRB- EU -RRB- .. European Union. European Union. fourth-most densely populated country. List of sovereign states and dependent territories by population density. The United Kingdom is a constitutional monarchy with a parliamentary system of governance .. parliamentary. Parliamentary system. constitutional monarchy. constitutional monarchy. parliamentary system. parliamentary system. The monarch is Queen Elizabeth II , who has reigned since 6 February 1952 .. Elizabeth II. Elizabeth II. monarch. Monarchy of the United Kingdom. Queen Elizabeth II. Elizabeth II. The capital of the United Kingdom and its largest city is London , a global city and financial centre with an urban area population of 10.3 million , the fourth-largest in Europe and second-largest in the European Union .. London. London. European Union. European Union. capital. capital city. global city. global city. financial centre. financial centre. second-largest in the European Union. Largest urban areas of the European Union. Other major urban areas in the United Kingdom include the conurbations centred on Birmingham , Leeds , Glasgow , Liverpool and Manchester .. urban areas in the United Kingdom. List of urban areas in the United Kingdom. Birmingham. West Midlands conurbation. Leeds. West Yorkshire Urban Area. Glasgow. Greater Glasgow. Liverpool. Liverpool Urban Area. Manchester. Greater Manchester Built-up Area. The United Kingdom consists of four countries -- England , Scotland , Wales and Northern Ireland .. England. England. Scotland. Kingdom of Scotland. Wales. Wales. Northern Ireland. Northern Ireland. Ireland. Ireland. four countries. countries of the United Kingdom. The last three have devolved administrations , each with varying powers , based in their capitals , Edinburgh , Cardiff and Belfast , respectively .. devolved. devolution in the United Kingdom. Edinburgh. Edinburgh. Cardiff. Cardiff. Belfast. Belfast. The nearby Isle of Man , Bailiwick of Guernsey and Bailiwick of Jersey are not part of the United Kingdom , being Crown dependencies with the British Government responsible for defence and international representation .. British Government. Government of the United Kingdom. British. British people. Isle of Man. Isle of Man. Bailiwick of Guernsey. Bailiwick of Guernsey. Bailiwick of Jersey. Bailiwick of Jersey. Crown dependencies. Crown dependencies. The relationships among the countries of the UK have changed over time .. changed over time. History of the formation of the United Kingdom. Wales was annexed by the Kingdom of England under the Laws in Wales Acts 1535 and 1542 .. England. England. Wales. Wales. Laws in Wales Acts. Laws in Wales Acts 1535 and 1542. Kingdom of England. Kingdom of England. Laws in Wales Acts 1535 and 1542. Laws in Wales Acts 1535 and 1542. A treaty between England and Scotland resulted in 1707 in a unified Kingdom of Great Britain , which merged in 1801 with the Kingdom of Ireland to form the United Kingdom of Great Britain and Ireland .. Great Britain. Great Britain. England. England. Scotland. Kingdom of Scotland. Ireland. Ireland. A treaty. Treaty of Union. Kingdom of Great Britain. Kingdom of Great Britain. Kingdom of Ireland. Kingdom of Ireland. United Kingdom of Great Britain and Ireland. United Kingdom of Great Britain and Ireland. Five-sixths of Ireland seceded from the UK in 1922 , leaving the present formulation of the United Kingdom of Great Britain and Northern Ireland.The Anglo-Irish Treaty was signed on 6 December 1921 to resolve the Irish War of Independence .. Great Britain. Great Britain. Irish. Irish language. Northern Ireland. Northern Ireland. Ireland. Ireland. Kingdom of Great Britain. Kingdom of Great Britain. Anglo-Irish Treaty. Anglo-Irish Treaty. Irish War of Independence. Irish War of Independence. When it took effect one year later , it established the Irish Free State as a separate dominion within the Commonwealth .. Irish. Irish language. Irish Free State. Irish Free State. dominion. dominion. Commonwealth. Commonwealth of Nations. The UK 's current name was adopted to reflect the change .. There are fourteen British Overseas Territories .. British. British people. fourteen British Overseas Territories. British Overseas Territories. These are the remnants of the British Empire which , at its height in the 1920s , encompassed almost a quarter of the world 's land mass and was the largest empire in history .. British. British people. British Empire. British Empire. largest empire in history. List of largest empires#All empires at their greatest extent. British influence can be observed in the language , culture and legal systems of many of its former colonies .. British. British people. its former colonies. List of countries that have gained independence from the United Kingdom. influence. Sphere of influence. The United Kingdom is a developed country and has the world 's fifth-largest economy by nominal GDP and ninth-largest economy by purchasing power parity .. developed country. developed country. fifth-largest economy. List of countries by GDP ( nominal ). GDP. Gross domestic product. ninth-largest economy. List of countries by GDP ( PPP ). purchasing power parity. purchasing power parity. power. Power ( international relations ). The UK is considered to have a high-income economy and is categorised as very high in the Human Development Index , ranking 16th in the world .. high-income economy. World Bank high-income economy. Human Development Index. Human Development Index. 16th in the world. List of countries by Human Development Index. It was the world 's first industrialised country and the world 's foremost power during the 19th and early 20th centuries .. industrialised. Industrialisation. power. Power ( international relations ). The UK remains a great power with considerable economic , cultural , military , scientific and political influence internationally .. power. Power ( international relations ). great power. great power. influence. Sphere of influence. It is a recognised nuclear weapons state and is seventh in military expenditure in the world .. nuclear weapons state. List of states with nuclear weapons. seventh in military expenditure. List of countries by military expenditures. The UK has been a permanent member of the United Nations Security Council since its first session in 1946 .. permanent member. permanent members of the United Nations Security Council. United Nations Security Council. United Nations Security Council. It has been a leading member state of the EU and its predecessor , the European Economic Community -LRB- EEC -RRB- , since 1973 .. leading member state. Big Four ( European Union ). European Economic Community. European Economic Community. However , on 23 June 2016 , a national referendum on the UK 's membership of the EU resulted in a decision to leave , and its exit from the EU is currently being negotiated .. its exit from the EU is currently being negotiated. United Kingdom invocation of Article 50 of the Treaty on European Union. The UK is also a member of the Commonwealth of Nations , the Council of Europe , the G7 finance ministers , the G7 forum , the G20 , NATO , the Organisation for Economic Co-operation and Development -LRB- OECD -RRB- , and the World Trade Organization -LRB- WTO -RRB- .. Council of Europe. Council of Europe. Commonwealth. Commonwealth of Nations. Commonwealth of Nations. Commonwealth of Nations. G7 finance ministers. G7 finance ministers. G7 forum. G7 forum. G20. G-20 major economies. NATO. NATO. Organisation for Economic Co-operation and Development. Organisation for Economic Co-operation and Development. World Trade Organization. World Trade Organization
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