You will be given a definition of a task first, then some input of the task.
In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).

Context: A nation state is a type of state that joins the political entity of a state to the cultural entity of a nation, from which it aims to derive its political legitimacy to rule and potentially its status as a sovereign state.
A state is specifically a political and geopolitical entity, whilst a nation is a cultural and ethnic one. The term "nation state" implies that the two coincide, in that a state has chosen to adopt and endorse a specific cultural group as associated with it., 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., Silesia (or  ; Silesian German: "Schläsing" Silesian: "lnsk" ) is a region of Central Europe located mostly in Poland, with small parts in the Czech Republic and Germany. Its area is about , and its population about 8,000,000. Silesia is located along the Oder river. It consists of Lower Silesia and Upper Silesia., An oceanic climate (also known as marine, west coast and maritime) is the climate typical of west coasts in higher middle latitudes of continents, and generally features cool summers (relative to their latitude) and cool but not cold winters, with a relatively narrow annual temperature range and few extremes of temperature, with the exception for transitional areas to continental and subarctic climates. Oceanic climates are defined as having a monthly mean temperature below in the warmest month, and above in the coldest month. , Central Bohemia is an administrative unit of the Czech Republic, located in the central part of its historical region of Bohemia. Its administrative center is placed in the Czech capital Prague, which lies in the center of the region. The city is not, however, a part of it and creates a region of its own., Czech Silesia  is the name given to the part of the historical region of Silesia presently located in the Czech Republic. While not today an administrative entity in itself, Czech Silesia is, together with Bohemia and Moravia, one of the three historical Czech lands. In this context, it is often mentioned as "Silesia" even though it is only around one tenth of the area of the historic land of Silesia. , Bohemia is the westernmost and largest historical region of the Czech lands in the present-day Czech Republic. In a broader meaning, Bohemia sometimes refers to the entire Czech territory, including Moravia and Czech Silesia, especially in a historical context, such as the Lands of the Bohemian Crown ruled by Bohemian kings., Mezivrata is a 713 m ( 2,339 ft ) high hill south of Votice in the Czech Republic . On Mezivrata , there is at 49 ° 36 ' 09 `` N 14 ° 40 ' 16 '' E a 100 m ( 330 ft ) tall lattice radio tower for FM - / TV - broadcasting . This transmission tower is currently in use ., 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., Germany, officially the Federal Republic of Germany, is a federal parliamentary republic in central-western Europe. It includes 16 constituent states, covers an area of , and has a largely temperate seasonal climate. With about 82 million inhabitants, Germany is the most populous member state of the European Union. After the United States, it is the second most popular immigration destination in the world. Germany's capital and largest metropolis is Berlin. Other major cities include Hamburg, Munich, Cologne, Frankfurt, Stuttgart and Düsseldorf., A parliamentary republic is a republic that operates under a parliamentary system of government where the executive branch (the government) derives its legitimacy from and is accountable to the legislature (the parliament). There are a number of variations of parliamentary republics. Most have a clear differentiation between the head of government and the head of state, with the head of government holding real power, much like constitutional monarchies. Some have combined the roles of head of state and head of government, much like presidential systems, but with a dependency upon parliamentary power., The Czech Republic, also known by the short name Czechia, is a nation state in Central Europe bordered by Germany to the west, Austria to the south, Slovakia to the east and Poland to the northeast. The Czech Republic covers an area of with mostly temperate continental climate and oceanic climate. It is a unitary parliamentary republic, has 10.5 million inhabitants and the capital and largest city is Prague, with over 1.2 million residents. The Czech Republic includes the historical territories of Bohemia, Moravia, and Czech Silesia., Moravia  is a historical country in the Czech Republic (forming its eastern part) and one of the historical Czech lands, together with Bohemia and Czech Silesia. The medieval and early modern Margraviate of Moravia was a crown land of the Lands of the Bohemian Crown (from 1348 to 1918), an imperial state of the Holy Roman Empire (1004 to 1806), later a crown land of the Austrian Empire (1804 to 1867) and briefly also one of 17 former crown lands of the Cisleithanian part of the Austro-Hungarian Empire from 1867 to 1918. During the early 20th century, Moravia was one of the five lands of Czechoslovakia from 1918 to 1928; it was then merged with Czech Silesia, and eventually dissolved by abolition of the land system in 1949., 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. , Central Europe lies between Eastern Europe and Western Europe. The concept of Central Europe is based on a common historical, social and cultural identity. Central Europe is going through a phase of "strategic awakening", with initiatives such as the CEI, Centrope or V4. While the region's economy shows high disparities with regard to income, all Central European countries are listed by the Human Development Index as very highly developed., Votice is a municipality and town in Benešov District in the Central Bohemian Region of the Czech Republic. The municipality covers an area of km² and as of 2007 it had a population of 4.482., Benešov District ("Okres Benešov" in Czech) is a district ("okres") within Central Bohemian Region ("Stedoeský kraj") of the Czech Republic. Its capital is city Benešov., Prague is the capital and largest city of the Czech Republic. It is the 14th largest city in the European Union. It is also the historical capital of Bohemia. Situated in the north-west of the country on the Vltava river, the city is home to about 1.26 million people, while its larger urban zone is estimated to have a population of nearly 2 million. The city has a temperate climate, with warm summers and chilly winters., Subject: mezivrata, Relation: instance_of, Options: (A) 1918 (B) area (C) capital (D) city (E) climate (F) concept (G) country (H) crown land of the austrian empire (I) czech republic (J) day (K) district (L) empire (M) exclave (N) executive branch (O) family (P) five (Q) government (R) head (S) head of state (T) hungarian (U) immigration (V) imperial state (W) income (X) index (Y) kraj (Z) language ([) language family (\) member (]) metropolis (^) month (_) mountain (`) municipality (a) name (b) nation (c) people (d) phase (e) population (f) region (g) region of the czech republic (h) republic (i) river (j) sovereign state (k) state (l) status (m) system (n) system of government (o) temperature (p) term (q) territory (r) three (s) town (t) union
Output:
mountain