Context: Russia (from the  Rus'), also officially known as the Russian Federation, is a country in Eurasia. At , 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 140 million people at the end of March 2016. 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. 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 Samara., Europe is a continent that comprises the westernmost part of Eurasia. Europe is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, and the Mediterranean Sea to the south. To the east and southeast, Europe is generally considered as separated from Asia by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways of the Turkish Straits. Yet the non-oceanic borders of Europea concept dating back to classical antiquityare arbitrary. The primarily physiographic term "continent" as applied to Europe also incorporates cultural and political elements whose discontinuities are not always reflected by the continent's current overland boundaries., Odessa Oblast is an oblast or province of southwestern Ukraine located along the northern coast of the Black Sea. Its administrative center is the city of Odessa. Population: , Moldova (or sometimes ), or Moldavia, officially the Republic of Moldova, is a landlocked country in Eastern Europe, bordered by Romania to the west and Ukraine to the north, east, and south. The capital city is Chiinu., Poland, officially the Republic of Poland, is a country in Central Europe, situated between the Baltic Sea in the north and two mountain ranges (the Sudetes and Carpathian Mountains) in the south. Bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine and Belarus to the east; and the Baltic Sea, Kaliningrad Oblast (a Russian exclave) and Lithuania to the north. The total area of Poland is , making it the 69th largest country in the world and the 9th largest in Europe. With a population of over 38.5 million people, Poland is the 34th most populous country in the world, the 8th most populous country in Europe and the sixth most populous member of the European Union. Poland is a unitary state divided into 16 administrative subdivisions, and its capital and largest city is Warsaw. Other metropolises include Kraków, Wrocaw, Pozna, Gdask and Szczecin., Hungary is a unitary parliamentary republic in Central Europe. It covers an area of , situated in the Carpathian Basin and bordered by Slovakia to the north, Romania to the east, Serbia to the south, Croatia to the southwest, Slovenia to the west, Austria to the northwest, and Ukraine to the northeast. With about 10 million inhabitants, Hungary is a medium-sized member state of the European Union. The official language is Hungarian, which is the most widely spoken Uralic language in the world. Hungary's capital and largest metropolis is Budapest, a significant economic hub, classified as an Alpha- global city. Major urban areas include Debrecen, Szeged, Miskolc, Pécs and Gyr., Ukraine (tr. ) is a sovereign state in Eastern Europe, bordered by Russia to the east and northeast, Belarus to the northwest, Poland and Slovakia to the west, Hungary, Romania, and Moldova to the southwest, and the Black Sea and Sea of Azov to the south and southeast, respectively. Ukraine is currently in territorial dispute with Russia over the Crimean Peninsula which Russia annexed in 2014 but which Ukraine and most of the international community recognise as Ukrainian. Including Crimea, Ukraine has an area of , making it the largest country entirely within Europe and the 46th largest country in the world. It has a population of about 44.5 million, making it the 32nd most populous country in the world., Eastern Europe, also known as East Europe, is the eastern part of the European continent. There is no consensus on the precise area it covers, partly because the term has a wide range of geopolitical, geographical, cultural, and socioeconomic connotations. There are "almost as many definitions of Eastern Europe as there are scholars of the region". A related United Nations paper adds that "every assessment of spatial identities is essentially a social and cultural construct"., The Crimean Peninsula ("Krymskiy poluostrov;" , "Kryms'ky pivostriv"), also known simply as Crimea ( "Krym" "Krym"), is a major land mass on the northern coast of the Black Sea that is almost completely surrounded by both the Black Sea and the smaller Sea of Azov to the northeast. The peninsula is located south of the Ukrainian region of Kherson and west of the Russian region of Kuban. It is connected to Kherson Oblast by the Isthmus of Perekop and is separated from Kuban by the Strait of Kerch. The Arabat Spit is located to the northeast, a narrow strip of land that separates a system of lagoons named Sivash from the Sea of Azov., Bessarabia (; "Bessarabiya"; "Besarabiya") is a historical region in Eastern Europe, bounded by the Dniester river on the east and the Prut river on the west. Today Bessarabia is mostly occupied by modern-day Moldova, with the Ukrainian Budjak region covering the southern coastal region and part of the Ukrainian Chernivtsi Oblast covering a small area in the north., Belarus ( lat. ', ), officially the Republic of Belarus, formerly known by its Russian name Byelorussia (though this name is no longer used in Belarus itself, even in Russian language), is a landlocked country in Eastern Europe bordered by Russia to the northeast, Ukraine to the south, Poland to the west, and Lithuania and Latvia to the northwest. Its capital and most populous city is Minsk. Over 40% of its is forested. Its strongest economic sectors are service industries and manufacturing. Until the 20th century, different states at various times controlled the lands of modern-day Belarus, including the Principality of Polotsk (11th to 14th centuries), the Grand Duchy of Lithuania, the PolishLithuanian Commonwealth, and the Russian Empire., The Black Sea is a body of water between Eastern Europe and Western Asia, bounded by Bulgaria, Georgia, Romania, Russia, Turkey, and Ukraine. It is supplied by a number of major rivers, such as the Danube, Dnieper, Rioni, Southern Bug, and Dniester. The Black Sea has an area of (not including the Sea of Azov), a maximum depth of , and a volume of . It is constrained by the Pontic Mountains to the south and by the Caucasus Mountains to the east, and features a wide shelf to the northwest. The longest east-west extent is about ., The Dniester River, or Dnister River ( translit. "Dnister", , ) is a river in Eastern Europe. It runs first through Ukraine and then through Moldova (from which it separates the breakaway territory of Transnistria), finally discharging into the Black Sea on Ukrainian territory again., Easter, also called Pascha "(Greek/Latin)" or Resurrection Sunday, is a festival and holiday celebrating the resurrection of Jesus from the dead, described in the New Testament as having occurred on the third day of his burial after his crucifixion by Romans at Calvary 30 AD. It is the culmination of the Passion of Jesus, preceded by Lent (or Great Lent), a forty-day period of fasting, prayer, and penance., The Danube (, known by various names in other languages) is Europe's second-longest river, after the Volga River, and also the longest river in the European Union region. It is located in Central and Eastern Europe., A territorial dispute is a disagreement over the possession/control of land between two or more territorial entities or over the possession or control of land, usually between a new state and the occupying power., Slovakia, officially the Slovak Republic, is a landlocked country in Central Europe. It is bordered by the Czech Republic and Austria to the west, Poland to the north, Ukraine to the east and Hungary to the south. Slovakia's territory spans about and is mostly mountainous. The population is over 5 million and comprises mostly ethnic Slovaks. The capital and largest city is Bratislava. The official language is Slovak, a member of the Slavic language family., Bulgaria (tr. '), officially the Republic of Bulgaria (tr. '), is a country in southeastern Europe. It is bordered by Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, and the Black Sea to the east. With a territory of , Bulgaria is Europe's 16th-largest country., The Sea of Azov ("Azovs'ke more/Azovke more") is a sea in Eastern Europe. To the south it is linked by the narrow (about ) Strait of Kerch to the Black Sea, and it is sometimes regarded as a northern extension of the Black Sea. The sea is bounded in the north by mainland Ukraine, in the east by Russia, and in the west by the Crimean Peninsula. The Don and Kuban are the major rivers that flow into it. The Sea of Azov is the shallowest sea in the world, with the depth varying between . There is a constant outflow of water from the Sea of Azov to the Black Sea., The post-Soviet states, also collectively known as the former Soviet Union (FSU) or former Soviet Republics, are the 15 independent states that emerged from the Union of Soviet Socialist Republics in its dissolution in December 1991, with Russia internationally recognised as the successor state to the Soviet Union. On March 11, 1990, Lithuania was the first to declare its independence, with Estonia and Latvia following suit in August 1991. All three Baltic states claimed continuity from the original states that existed prior to their annexation by the Soviet Union in 1944 and were admitted to the United Nations on 17 September 1991. The remaining 12 republics all subsequently seceded. 12 of the 15 states, excluding the Baltic states, initially formed the CIS and most joined CSTO, while the Baltic states focused on European Union and NATO membership., The Reni Raion ( Ukrainian :   ; Romanian : Raionul Reni ) is in south - western Ukraine , in the historic Budjak region . Its administrative center is the city of Reni . The population of the district was 40,680 in 2001 . The raion is predominantly Moldavian and the Ukrainian language is rare . According to the 2001 Ukrainian census the population was 49 % Moldovan , 18 % Ukrainian , 15 % Russian , 8.5 % Bulgarian and 8 % Gagauz . Most of villages ( five ) are Romanophone while there is one village of Gagauz and another of Bulgarians . The city of Reni is mostly Russophone although 50 % of its residents are Moldavians ., Budjak or Budzhak (Russian, Ukrainian, and Bulgarian: ; Romanian: "Bugeac"; Turkish: "Bucak") is a historical region in Ukraine. Lying along the Black Sea between the Danube and Dniester rivers, this thinly populated multi-ethnic 600,000-people region of 13,188 km is located in the southern Bessarabia. Nowadays, part of the Odessa Oblast, the region is bordered to the north and west by Moldova, to the south by Romania, and to the east by the Black Sea and the rest of Ukraine., An oblast is a type of administrative division of Belarus, Bulgaria, Kazakhstan, Kyrgyzstan, Russia, Ukraine, and the now-defunct Soviet Union and Kingdom of Serbs, Croats and Slovenes. The term is analogous to "state" or "province"., Romania is a sovereign state located in Southeastern Europe. It borders the Black Sea, Bulgaria, Ukraine, Hungary, Serbia, and Moldova. It has an area of and a temperate-continental climate. With 19.94 million inhabitants, the country is the seventh-most-populous member state of the European Union. The capital and largest city, Bucharest, with its 1,883,425 inhabitants is the sixth-largest city in the EU., A raion (also rayon) is a type of administrative unit of several post-Soviet states (such as part of an oblast). The term is from the French ""rayon"" (meaning "honeycomb, department"), which is both a type of a subnational entity and a division of a city, and is commonly translated in English as "district"., A district is a type of administrative division that, in some countries, is managed by local government. Across the world, areas known as "districts" vary greatly in size, spanning entire regions or counties, several municipalities, subdivisions of municipalities, school district, or political district., Subject: reni raion, Relation: located_in_the_administrative_territorial_entity, Options: (A) atlantic ocean (B) austria (C) belarus (D) bessarabia (E) bratislava (F) budapest (G) bulgaria (H) center (I) central (J) chernivtsi oblast (K) chișinău (L) crimean peninsula (M) district (N) earth (O) east (P) estonia (Q) europe (R) european union (S) gdańsk (T) georgia (U) germany (V) greece (W) hungary (X) kaliningrad oblast (Y) kherson (Z) kherson oblast ([) kuban (\) latvia (]) lithuania (^) moldova (_) north (`) northern (a) northwest (b) novosibirsk (c) odessa (d) odessa oblast (e) of (f) petersburg (g) poland (h) post (i) poznań (j) pécs (k) river (l) romania (m) russia (n) russian empire (o) samara (p) slovakia (q) slovenia (r) south (s) soviet union (t) szeged (u) territorial dispute (v) turkey (w) ukraine (x) warsaw (y) west
Output: odessa oblast