With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Russian contains the urban center Kazan.
text_B: Russia -LRB- -LSB- ˈrʌʃə -RSB- -LSB- Россия , Rossiya , rɐˈsʲijə -RSB- -RRB- , also officially the Russian Federation -LRB- -LSB- Россииская Федерация , r = Rossiyskaya Federatsiya , p = rɐˈsʲijskəjə fʲɪdʲɪˈratsɨjə -RSB- -RRB- , is a country in Eurasia .. Russian. Russians. country. country. Eurasia. Eurasia. At 17075200 km2 , Russia is the largest country in the world by surface area , covering more than one-eighth of the Earth 's inhabited land area , and the ninth most populous , with over 144 million people at the end of March 2016 .. country. country. largest country in the world. largest country in the world. ninth most populous. List of countries and dependencies by population. The European western part of the country is much more populated and urbanised than the eastern ; about 77 % of the population live in European Russia .. country. country. urbanised. Urbanization. European Russia. European Russia. Russia 's capital Moscow is one of the largest cities in the world ; other major urban centers include Saint Petersburg , Novosibirsk , Yekaterinburg , Nizhny Novgorod and Kazan .. Moscow. Moscow. urban centers. List of cities and towns in Russia by population. Saint Petersburg. Saint Petersburg. Novosibirsk. Novosibirsk. Yekaterinburg. Yekaterinburg. Nizhny Novgorod. Nizhny Novgorod. Kazan. Kazan. Extending across the entirety of Northern Asia and much of Eastern Europe , Russia spans eleven time zones and incorporates a wide range of environments and landforms .. Northern Asia. North Asia. Eastern Europe. Eastern Europe. eleven time zones. Time in Russia. environments. Environment of Russia. Europe. Europe. From northwest to southeast , Russia shares land borders with Norway , Finland , Estonia , Latvia , Lithuania and Poland -LRB- both with Kaliningrad Oblast -RRB- , Belarus , Ukraine , Georgia , Azerbaijan , Kazakhstan , China , Mongolia , and North Korea .. Ukraine. Ukraine. shares land borders. borders of Russia. Norway. Norway. Finland. Finland. Estonia. Estonia. Latvia. Latvia. Lithuania. Lithuania. Poland. Congress Poland. Kaliningrad Oblast. Kaliningrad Oblast. Belarus. Belarus. Georgia. Georgia ( country ). Azerbaijan. Azerbaijan. Kazakhstan. Kazakhstan. China. China. Mongolia. Mongolia. North Korea. North Korea. It shares maritime borders with Japan by the Sea of Okhotsk and the U.S. state of Alaska across the Bering Strait .. Japan. Japan. Sea of Okhotsk. Sea of Okhotsk. Alaska. Russian Alaska. Bering Strait. Bering Strait. The East Slavs emerged as a recognizable group in Europe between the 3rd and 8th centuries AD .. East Slavs. East Slavs. Europe. Europe. Founded and ruled by a Varangian warrior elite and their descendants , the medieval state of Rus arose in the 9th century .. Varangian. Varangian. medieval. medieval. Rus. Rus ( state ). In 988 it adopted Orthodox Christianity from the Byzantine Empire , beginning the synthesis of Byzantine and Slavic cultures that defined Russian culture for the next millennium .. Russian. Russians. Empire. Russian Empire. Orthodox Christianity. Eastern Orthodox Church. Byzantine Empire. Byzantine Empire. Russian culture. Russian culture. Rus ' ultimately disintegrated into a number of smaller states ; most of the Rus ' lands were overrun by the Mongol invasion and became tributaries of the nomadic Golden Horde in the 13th century .. Rus. Rus ( state ). Mongol invasion. Mongol invasion of Rus'. Golden Horde. Golden Horde. The Grand Duchy of Moscow gradually reunified the surrounding Russian principalities , achieved independence from the Golden Horde , and came to dominate the cultural and political legacy of Kievan Rus ' .. Moscow. Moscow. Russian. Russians. Grand Duchy. Grand Duchy of Moscow. Rus. Rus ( state ). Golden Horde. Golden Horde. Grand Duchy of Moscow. Grand Duchy of Moscow. By the 18th century , the nation had greatly expanded through conquest , annexation , and exploration to become the Russian Empire , which was the third largest empire in history , stretching from Poland on the west to Alaska on the east .. Russian. Russians. Empire. Russian Empire. Poland. Congress Poland. Alaska. Russian Alaska. exploration. Russian explorers. Russian Empire. Russian Empire. largest empire. largest empire. Following the Russian Revolution , the Russian Soviet Federative Socialist Republic became the largest and leading constituent of the Union of Soviet Socialist Republics , the world 's first constitutionally socialist state .. Russian. Russians. Republic. Russian Republic. Russian Revolution. Russian Revolution. Russian Soviet Federative Socialist Republic. Russian Soviet Federative Socialist Republic. Union of Soviet Socialist Republics. Soviet Union. socialist state. socialist state. The Soviet Union played a decisive role in the Allied victory in World War II , and emerged as a recognized superpower and rival to the United States during the Cold War .. Soviet Union. Government of the Soviet Union. recognized. Nuclear Non-Proliferation Treaty. a decisive role. Eastern Front ( World War II ). Allied. Allies of World War II. superpower. superpower. United States. United States. Cold War. Cold War. The Soviet era saw some of the most significant technological achievements of the 20th century , including the world 's first human-made satellite and the launching of the first humans in space .. most significant technological achievements. Timeline of Russian inventions and technology records. first human-made satellite. Sputnik. first humans in space. Yuri Gagarin. By the end of 1990 , the Soviet Union had the world 's second largest economy , largest standing military in the world and the largest stockpile of weapons of mass destruction .. Soviet Union. Government of the Soviet Union. largest stockpile of weapons of mass destruction. Russia and weapons of mass destruction. Following the dissolution of the Soviet Union in 1991 , fifteen independent republics emerged from the USSR  : Russia , Ukraine , Belarus , Kazakhstan , Uzbekistan , Armenia , Azerbaijan , Estonia , Georgia , Kyrgyzstan , Latvia , Lithuania , Moldova , Tajikistan , Turkmenistan ; the Russian SFSR reconstituted itself as the Russian Federation and is recognized as the continuing legal personality and sole successor state of the Soviet Union .. Russian. Russians. Russian SFSR. Russian Soviet Federative Socialist Republic. Soviet Union. Government of the Soviet Union. recognized. Nuclear Non-Proliferation Treaty. Ukraine. Ukraine. Estonia. Estonia. Latvia. Latvia. Lithuania. Lithuania. Belarus. Belarus. Georgia. Georgia ( country ). Azerbaijan. Azerbaijan. Kazakhstan. Kazakhstan. dissolution of the Soviet Union. dissolution of the Soviet Union. Uzbekistan. Uzbekistan. Armenia. Armenia. Kyrgyzstan. Kyrgyzstan. Moldova. Moldova. Tajikistan. Tajikistan. Turkmenistan. Turkmenistan. successor state. Succession of states. It is governed as a federal semi-presidential republic .. semi-presidential. semi-presidential. federal. federation. The Russian economy ranks as the twelfth largest by nominal GDP and sixth largest by purchasing power parity in 2015 .. Russian. Russians. Russian economy. Russian economy. twelfth largest. List of countries by GDP ( nominal ). nominal GDP. nominal GDP. sixth largest. List of countries by GDP ( PPP ). purchasing power parity. purchasing power parity. Russia 's extensive mineral and energy resources are the largest such reserves in the world , making it one of the leading producers of oil and natural gas globally .. producers of oil. oil producer. natural gas. natural gas producer. The country is one of the five recognized nuclear weapons states and possesses the largest stockpile of weapons of mass destruction .. recognized. Nuclear Non-Proliferation Treaty. country. country. nuclear weapons states. nuclear weapons states. largest stockpile of weapons of mass destruction. Russia and weapons of mass destruction. Russia is a great power as well as a regional power and has been characterised as a potential superpower .. superpower. superpower. great power. great power. regional power. regional power. potential superpower. potential superpower. It is permanent member of the United Nations Security Council , as well as a member of the G20 , the Council of Europe , the Asia-Pacific Economic Cooperation -LRB- APEC -RRB- , the Shanghai Cooperation Organisation -LRB- SCO -RRB- , the Organization for Security and Co-operation in Europe -LRB- OSCE -RRB- , and the World Trade Organization -LRB- WTO -RRB- , as well as being the leading member of the Commonwealth of Independent States -LRB- CIS -RRB- , the Collective Security Treaty Organization -LRB- CSTO -RRB- and one of the five members of the Eurasian Economic Union -LRB- EEU -RRB- , along with Armenia , Belarus , Kazakhstan , and Kyrgyzstan .. Commonwealth of Independent States. Commonwealth of Independent States. Belarus. Belarus. Kazakhstan. Kazakhstan. Europe. Europe. Armenia. Armenia. Kyrgyzstan. Kyrgyzstan. permanent member. Permanent members of the United Nations Security Council. United Nations Security Council. United Nations Security Council. G20. G-20 major economies. Council of Europe. Council of Europe. Asia-Pacific Economic Cooperation. Asia-Pacific Economic Cooperation. Shanghai Cooperation Organisation. Shanghai Cooperation Organisation. Organization for Security and Co-operation in Europe. Organization for Security and Co-operation in Europe. World Trade Organization. World Trade Organization. Collective Security Treaty Organization. Collective Security Treaty Organization. Eurasian Economic Union. Eurasian Economic Union
related.