Context: A mountain range (also mountain barrier, belt, or system) is a geographic area containing numerous geologically related mountains. A mountain system or system of mountain ranges, sometimes is used to combine several geological features that are geographically (regionally) related. On Earth, most significant mountain ranges are the result of plate tectonics, though mountain ranges are formed by a range of processes, are found on many planetary mass objects in the Solar System and are likely a feature of most terrestrial planets., The Carpathian Mountains or Carpathians are a mountain range system forming an arc roughly long across Central and Eastern Europe, making them the second-longest mountain range in Europe (after the Scandinavian Mountains)., The European Union (EU) is a political and economic union of member states that are located primarily in Europe. It has an area of , and an estimated population of over 510 million. The EU has developed an internal single market through a standardised system of laws that apply in all member states. EU policies aim to ensure the free movement of people, goods, services, and capital within the internal market, enact legislation in justice and home affairs, and maintain common policies on trade, agriculture, fisheries, and regional development. Within the Schengen Area, passport controls have been abolished. A monetary union was established in 1999 and came into full force in 2002, and is composed of 19 EU member states which use the euro currency., Bucharest is the capital and largest city of Romania, as well as its cultural, industrial, and financial centre. It is located in the southeast of the country, at , on the banks of the Dâmbovia River, less than north of the Danube River and the Bulgarian border., 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., The Prahova River is a river of Southern Romania, which rises from the Bucegi Mountains, in the Southern Carpathians. It flows into the Ialomia near Adâncata. The upper reach of the river, upstream of the junction with the Azuga River is sometimes called the Prahovia River., Muntenia (also known in English as Greater Wallachia) is a historical region of Romania, usually considered Wallachia-proper ("Muntenia", "ara Româneasc", and the seldom used "Valahia" are synonyms in Romanian). It is situated between the Danube (south and east), the Carpathian Mountains (the Transylvanian Alps branch) and Moldavia (both north), and the Olt River to the west. The latter river is the border between Muntenia and Oltenia (or "Lesser Wallachia"). Part of the traditional border between Wallachia/Muntenia and Moldavia was formed by the rivers Milcov and Siret., 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., The Southern Carpathians (, ) are a group of mountain ranges that divide central and southern Romania, on one side, and Serbia, on the other. They cover the part of the Carpathian Mountains located between the Prahova River in the east and the Timi and Cerna Rivers in the west. To the south they are bounded by the Balkan mountain range., The Volga is the longest river in Europe. It is also Europe's largest river in terms of discharge and watershed. The river flows through central Russia and into the Caspian Sea, and is widely regarded as the national river of Russia., The Greek alphabet has been used to write the Greek language since the late 9th century BC or early 8th century BC It was derived from the earlier Phoenician alphabet, and was the first alphabetic script to have distinct letters for vowels as well as consonants. It is the ancestor of the Latin and Cyrillic scripts. Apart from its use in writing the Greek language, in both its ancient and its modern forms, the Greek alphabet today also serves as a source of technical symbols and labels in many domains of mathematics, science and other fields., 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 ., Wallachia or Walachia (; archaic: ', Romanian Cyrillic alphabet: ) is a historical and geographical region of Romania. It is situated north of the Lower Danube and south of the Southern Carpathians. Wallachia is traditionally divided into two sections, Muntenia (Greater Wallachia) and Oltenia (Lesser Wallachia). Wallachia as a whole is sometimes referred to as Muntenia through identification with the larger of the two traditional sections., Central and Eastern Europe, abbreviated CEE, is a generic term for the group of countries in Central Europe, Southeast Europe, Northern Europe, and Eastern Europe, usually meaning former communist states in Europe. It is in use after the collapse of the Iron Curtain in 198990. In scholarly literature the abbreviations CEE or CEEC are often used for this concept., Latin (Latin: ) is a classical language belonging to the Italic branch of the Indo-European languages. The Latin alphabet is derived from the Etruscan and Greek alphabets., 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., A classical language is a language with a literature that is "classical". According to UC Berkeley linguist George L. Hart, "it should be ancient, it should be an independent tradition that arose mostly on its own, not as an offshoot of another tradition, and it must have a large and extremely rich body of ancient literature.", Serbia, officially the Republic of Serbia, is a sovereign state situated at the crossroads of Central and Southeast Europe, covering the southern part of the Pannonian Plain and the central Balkans. Relative to its small territory, it is a diverse country distinguished by a "transitional" character, situated along cultural, geographic, climatic and other boundaries. Serbia is landlocked and borders Hungary to the north; Romania and Bulgaria to the east; Macedonia to the south; and Croatia, Bosnia-Herzegovina, and Montenegro to the southwest; it also claims a border with Albania through the disputed territory of Kosovo. Serbia numbers around 7 million residents, and its capital, Belgrade, ranks among the largest cities in Southeast Europe., 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., The Romanian Cyrillic alphabet is the Cyrillic alphabet used to write the Romanian language before 18601862, when it was officially replaced by a Latin-based Romanian alphabet. The Romanian Cyrillic alphabet was based on Bulgarian Cyrillic alphabet. Cyrillic remained in occasional use until the 1920s (mostly in Bessarabia). It is not the same as the Russian-based Moldovan Cyrillic alphabet used in the Moldavian ASSR in 1924-1932 and 1938-1940, and then in the Moldavian SSR between 1940 and 1989 (except 1941-44)., The Indo-European languages are a language family of several hundred related languages and dialects. There are about 445 living Indo-European languages, according to the estimate by "Ethnologue", with over two-thirds (313) of them belonging to the Indo-Iranian branch. The most widely spoken Indo-European languages by native speakers are Spanish, English, Hindustani (Hindi and Urdu), Portuguese, Bengali, Russian, Persian and Punjabi, each with over 100 million speakers. Today, 46% of the human population speaks an Indo-European language natively, by far the highest of any language family., 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., 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., The classical Latin alphabet, also known as the Roman alphabet, is a writing system originally used by the ancient Romans to write the Latin language. The Latin alphabet evolved from the visually similar Cumaean Greek version of the Greek alphabet, which was itself descended from the Phoenician abjad, which in turn was derived from Egyptian hieroglyphics. The Etruscans who ruled early Rome adopted the Cumaean Greek alphabet which was modified over time to become the Etruscan alphabet, which was in turn adopted and further modified by the Romans to produce the Latin alphabet., Continental climates are defined in the Köppen climate classification has having a coldest month mean temperature below -3 C (26.6 F) or 0 °C depending on which isotherm used for the coldest month and four months above 10 °C. In the Köppen climate system, Continental climates were bordered to the south by Temperate climates or C climates (coldest month above 0 C, but below 18 C) and to the north by Boreal climate or E climates (only 1 to 3 months with a mean temperature of 50 F). Köppen also defined continental climates as having more than 30 days with continuous snowcover on the ground. , 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., A sovereign state is, in international law, a nonphysical juridical entity that is represented by one centralised government that has sovereignty over a geographic area. International law defines sovereign states as having a permanent population, defined territory, one government, and the capacity to enter into relations with other sovereign states. It is also normally understood that a sovereign state is neither dependent on nor subjected to any other power or state., Oltenia ( Romanian pronunciation : ( olteni.a ) , also called Lesser Wallachia in antiquated versions , with the alternate Latin names Wallachia Minor , Wallachia Alutana , Wallachia Caesarea between 1718 and 1739 ) is a historical province and geographical region of Romania in western Wallachia . It is situated between the Danube , the Southern Carpathians and the Olt river ., Subject: oltenia, Relation: instance_of, Options: (A) 1 (B) abjad (C) alphabet (D) balkans (E) belt (F) bengali (G) body of water (H) branch (I) capital (J) century (K) character (L) city (M) classification (N) climate (O) collapse (P) concept (Q) continent (R) country (S) disputed territory (T) economic union (U) force (V) four (W) geographical (X) government (Y) group (Z) historical region ([) home (\) hundred (]) hungary (^) junction (_) language (`) language family (a) law (b) market (c) mediterranean sea (d) member (e) metropolis (f) mountain (g) mountain range (h) number (i) ocean (j) plain (k) plate (l) population (m) province (n) range (o) region (p) republic (q) river (r) science (s) script (t) sea (u) side (v) state (w) system (x) temperature (y) term (z) territory ({) tradition (|) turkey (}) two (~) union () volume () writing system
Output: historical region