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).

Example Input: Context: The incumbent is the current holder of a political office. This term is usually used in reference to elections, in which races can often be defined as being between an incumbent and non-incumbent(s). For example, in the 2012 United States presidential election, Barack Obama was the incumbent, because he had been the president in the previous term while the election sought to determine the president for the current term. A race without an incumbent is referred to as an open seat., The President of the United States (POTUS) is the elected head of state and head of government of the United States. The president directs the executive branch of the federal government and is the commander-in-chief of the United States Armed Forces., The Governor of California is the chief executive of the California state government, commander-in-chief of the California National Guard and the California State Military Reserve, whose responsibilities also include making annual State of the State addresses to the California State Legislature, submitting the budget, and ensuring that state laws are enforced. The position was created in 1849, the year before California became a state.
The current governor is Jerry Brown, a Democrat who was inaugurated January 3, 2011, and who had previously served as governor from 1975 to 1983. In October 2013, Jerry Brown surpassed Earl Warren for the longest cumulative period of time served as governor., The California gubernatorial election , 1970 was held on November 3 , 1970 . The incumbent , Republican Ronald Reagan , won re-election over Democrat and Speaker of the Assembly Jesse `` Big Daddy '' Unruh . After leaving office in 1975 , Reagan joined presidential primaries in 1976 but narrowly lost to President Ford . He was elected the President of the United States in 1980 ., Ronald Wilson Reagan (February 6, 1911  June 5, 2004) was an American politician and actor who was the 40th President of the United States, from 1981 to 1989. Before his presidency, he was the 33rd Governor of California, from 1967 to 1975, after a career as a Hollywood actor and union leader., Barack Hussein Obama II (; born August 4, 1961) is an American politician who served as the 44th President of the United States from 2009 to 2017. He was the first African American to serve as president, as well as the first born outside the contiguous United States. He previously served in the U.S. Senate representing Illinois from 2005 to 2008, and in the Illinois State Senate from 1997 to 2004., Subject: california gubernatorial election, Relation: office_contested, Options: (A) governor (B) head of state (C) president
Example Output: governor

Example Input: Context: The Reich Main Security Office (German: "Reichssicherheitshauptamt" or RSHA) was an organization subordinate to Heinrich Himmler in his dual capacities as "Chef der Deutschen Polizei" (Chief of German Police) and "Reichsführer-SS", the head of the Nazi Party's "Schutzstaffel" (SS). The organization's stated duty was to fight all "enemies of the Reich" inside and outside the borders of Nazi Germany., Sicherheitsdienst ("Security Service"), full title Sicherheitsdienst des Reichsführers-SS, or SD, was the intelligence agency of the SS and the Nazi Party in Nazi Germany. The organization was the first Nazi Party intelligence organization to be established and was considered a sister organization with the Gestapo, which the SS had infiltrated heavily after 1934. Between 1933 and 1939, the SD was administered as an independent SS office, after which it was transferred to the authority of the Reich Main Security Office ("Reichssicherheitshauptamt"; RSHA), as one of its seven departments/offices. Its first director, Reinhard Heydrich, intended for the SD to bring every single individual within the Third Reich's reach under "continuous supervision.", The National Socialist German Workers' Party (abbreviated NSDAP), commonly referred to in English as the Nazi Party, was a political party in Germany that was active between 1920 and 1945 and practised the ideology of Nazism. Its precursor, the German Workers' Party ("Deutsche Arbeiterpartei"; DAP), existed from 1919 to 1920. , Nazi Germany is the common English name for the period in German history from 1933 to 1945, when Germany was governed by a dictatorship under the control of Adolf Hitler and the Nazi Party (NSDAP). Under Hitler's rule, Germany was transformed into a fascist state in which the Nazi Party took totalitarian control over nearly all aspects of life. The official name of the state was "Deutsches Reich" from 1933 to 1943 and "Großdeutsches Reich" ("Greater German Reich") from 1943 to 1945. The period is also known under the names the Third Reich and the National Socialist Period (abbreviated as "NS-Zeit"). The Nazi regime came to an end after the Allied Powers defeated Germany in May 1945, ending World War II in Europe., Reinhard Tristan Eugen Heydrich (7 March 1904  4 June 1942) was a high-ranking German Nazi official during World War II, and a main architect of the Holocaust. He was an SS-"Obergruppenführer und General der Polizei" (Senior Group Leader and Chief of Police) as well as chief of the Reich Main Security Office (including the Gestapo, Kripo, and SD). He was also "Stellvertretender Reichsprotektor" (Deputy/Acting Reich-Protector) of Bohemia and Moravia, in what is now the Czech Republic. Heydrich served as president of the International Criminal Police Commission (ICPC; later known as Interpol) and chaired the January 1942 Wannsee Conference, which formalised plans for the Final Solution to the Jewish Questionthe deportation and genocide of all Jews in German-occupied Europe., The Gestapo, abbreviation of Geheime Staatspolizei, or the Secret State Police, was the official secret police of Nazi Germany and German-occupied Europe., SS-Brigadeführer was an SS rank that was used in Nazi Germany between the years of 1932 and 1945. "Brigadeführer" was also an SA rank after briefly being known as "Untergruppenführer" in late 1929 and 1930., Heinz Jost ( 9 July 1904 -- 12 November 1964 ) was an SS - Brigadeführer and a Generalmajor ( Brigadier General ) of Police . Jost was involved in espionage matters as the Sicherheitsdienst ( Security Service ) or ( SD ) section chief of office VI ( foreign intelligence ) of the Reichssicherheitshauptamt ( Reich Main Security Office ) or RSHA . Jost was also responsible for genocide in eastern Europe as commander of Einsatzgruppe A from March to September 1942 ., Subject: heinz jost, Relation: member_of, Options: (A) europe (B) group (C) interpol (D) s (E) schutzstaffel (F) the national
Example Output: schutzstaffel

Example Input: Context: Western Sahara ("") is a disputed territory in the Maghreb region of North Africa, bordered by Morocco to the north, Algeria to the northeast, Mauritania to the east and south, and the Atlantic Ocean to the west. Its surface area amounts to . It is one of the most sparsely populated territories in the world, mainly consisting of desert flatlands. The population is estimated at just over 500,000, of which nearly 40% live in Laayoune, the largest city in Western Sahara., 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., Algeria (' "Dzayer"), officially the People's Democratic Republic of Algeria, is a sovereign state in North Africa on the Mediterranean coast. Its capital and most populous city is Algiers, located in the country's far north. With an area of , Algeria is the tenth-largest country in the world, and the largest in Africa. Algeria is bordered to the northeast by Tunisia, to the east by Libya, to the west by Morocco, to the southwest by the Western Saharan territory, Mauritania, and Mali, to the southeast by Niger, and to the north by the Mediterranean Sea. The country is a semi-presidential republic consisting of 48 provinces and 1,541 communes (counties). Abdelaziz Bouteflika has been President since 1999., An iceberg or ice mountain is a large piece of freshwater ice that has broken off a glacier or an ice shelf and is floating freely in open water. It may subsequently become frozen into pack ice (one form of sea ice). As it drifts into shallower waters, it may come into contact with the seabed, a process referred to as seabed gouging by ice. Almost 91% of an iceberg is below the surface of the water. , Meltwater is water released by the melting of snow or ice, including glacial ice, tabular icebergs and ice shelves over oceans. Meltwater is often found in the ablation zone of glaciers, where the rate of snow cover is reducing. Meltwater can be produced during volcanic eruptions, in a similar way in which the more dangerous lahars form., Morocco (', lit. "The West"; '), officially known as the Kingdom of Morocco (', lit. "The Western Kingdom"; '), is a sovereign country located in the Maghreb region of North Africa. Geographically, Morocco is characterized by a rugged mountainous interior, large tracts of desert, and a lengthy coastline along the Atlantic Ocean and Mediterranean Sea., Tunis ("") is both the capital and the largest city of Tunisia. The greater metropolitan area of Tunis, often referred to as "Grand Tunis", has some 2,700,000 inhabitants., Libya ("") is a country in the Maghreb region of North Africa, bordered by the Mediterranean Sea to the north, Egypt to the east, Sudan to the southeast, Chad and Niger to the south, and Algeria and Tunisia to the west. The three traditional parts of the country are Tripolitania, Fezzan and Cyrenaica. With an area of almost , Libya is the fourth largest country in Africa, and is the 16th largest country in the world. Libya has the 10th-largest proven oil reserves of any country in the world., North Africa or Northern Africa is the northernmost region of Africa. The United Nations definition of "North Africa" includes seven countries and territories; Algeria, Egypt, Libya, Mauritania, Morocco, Sudan, Tunisia, and Western Sahara. The countries of Algeria, Morocco, Tunisia, and Libya are often collectively referred to as the Maghreb, which is the Arabic word for "sunset". Egypt lies to the northeast and encompasses part of West Asia, while Sudan is situated on the edge of the Sahel, to the south of Egypt., Mali, officially the Republic of Mali, is a landlocked country in Africa. Mali is the eighth-largest country in Africa, with an area of just over . The population of Mali is 14.5 million. Its capital is Bamako. Mali consists of eight regions and its borders on the north reach deep into the middle of the Sahara Desert, while the country's southern part, where the majority of inhabitants live, features the Niger and Senegal rivers. The country's economy centers on agriculture and fishing. Some of Mali's prominent natural resources include gold, being the third largest producer of gold in the African continent, and salt. About half the population lives below the international poverty line of $1.25 (U.S.) a day. A majority of the population (90%) are Muslims., El Bayadh is a province ("wilaya") in Algeria, named after its capital El Bayadh., A stream is a body of water with a current, confined within a bed and banks. Depending on its location or certain characteristics, a stream may be referred to as a "bayou", "beck", "branch", "brook", "burn", "creek", "crick", "ghyll", "gill", "kill", "lick", "mill race", "race", "rill", "river", "rivulet", "run", "runnel", "streamage", "syke", or "wash"., The Mediterranean Sea (pronounced ) is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Southern Europe and Anatolia, on the south by North Africa, and on the east by the Levant. The sea is sometimes considered a part of the Atlantic Ocean, although it is usually identified as a separate body of water., Mauritania ('; or  Soninke: "Murutaane"; Pulaar: "Moritani"), officially the Islamic Republic of Mauritania, is a country in the Maghreb region of western Africa. It is the eleventh largest country in Africa and is bordered by the Atlantic Ocean to the west, Morocco and the remnants of Western Sahara in the north, Algeria in the northeast, Mali in the east and southeast, and Senegal in the southwest., Tunisia ('; ), officially the Republic of Tunisia (') is the northernmost country in Africa, covering . Its northernmost point, Cape Angela, is the northernmost point on the African continent. It is bordered by Algeria to the west and southwest, Libya to the southeast, and the Mediterranean Sea to the north and east. Tunisia's population was estimated to be just under 11 million in 2014. Tunisia's name is derived from its capital city, Tunis, which is located on Tunisia's northeast coast., Chellala ( Arabic :  , lit. waterfall ) is a municipality in El Bayadh Province , Algeria . It is the district seat of Chellala district and has a population of 3.745 , which gives it 7 seats in the PMA . Its postal code is 32330 and its municipal code is 3214 ., An ice shelf is a thick floating platform of ice that forms where a glacier or ice sheet flows down to a coastline and onto the ocean surface. Ice shelves are only found in Antarctica, Greenland, Canada and the Russian Arctic. The boundary between the floating ice shelf and the grounded (resting on bedrock) ice that feeds it is called the grounding line. The thickness of ice shelves ranges from about 100 to 1000 meters., Abdelaziz Bouteflika ("Abd al-Azz Btaflka" ; born 2 March 1937) is an Algerian politician who has been the fifth President of Algeria since 1999. He was Minister of Foreign Affairs from 1963 to 1979. As President, he presided over the end of the bloody Algerian Civil War in 2002, and he ended emergency rule in February 2011 amidst regional unrest. He has also served as president of the United Nations General Assembly., Algiers ("al-Jazer"; Algerian Arabic pronunciation:  Dzayer, ) is the capital and largest city of Algeria. In 2011, the city's population was estimated to be around 3,500,000. An estimate puts the population of the larger metropolitan city to be around 5,000,000. Algiers is located on the Mediterranean Sea and in the north-central portion of Algeria., Niger (or ), officially the Republic of Niger, is a landlocked country in Western Africa, named after the Niger River. Niger is bordered by Libya to the northeast, Chad to the east, Nigeria and Benin to the south, Burkina Faso and Mali to the west, and Algeria to the northwest. Niger covers a land area of almost 1,270,000 km, making it the largest country in West Africa, with over 80 percent of its land area covered by the Sahara Desert. The country's predominantly Islamic population of about 19 million is mostly clustered in the far south and west of the country. The capital city is Niamey, located in the far-southwest corner of Niger., Africa is the world's second-largest and second-most-populous continent. At about 30.3 million km² (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area and 20.4 % of its total land area. With 1.1 billion people as of 2013, it accounts for about 15% of the world's human population. The continent is surrounded by the Mediterranean Sea to the north, both the Suez Canal and the Red Sea along the Sinai Peninsula to the northeast, the Indian Ocean to the southeast, and the Atlantic Ocean to the west. The continent includes Madagascar and various archipelagos. It contains 54 fully recognized sovereign states (countries), nine territories and two "de facto" independent states with limited or no recognition., The Sahara (", 'the Greatest Desert') is the largest hot desert and the third largest desert in the world after Antarctica and the Arctic. Its area of is comparable to the area of the United States., A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases a river flows into the ground and becomes dry at the end of its course without reaching another body of water. Small rivers can be referred to using names such as stream, creek, brook, rivulet, and rill. There are no official definitions for the generic term river as applied to geographic features, although in some countries or communities a stream is defined by its size. Many names for small rivers are specific to geographic location; examples are "run" in some parts of the United States, "burn" in Scotland and northeast England, and "beck" in northern England. Sometimes a river is defined as being larger than a creek, but not always: the language is vague., El Bayadh is a municipality of Algeria. It is the capital of El Bayadh Province. This town was known as "Géryville" during the French colonization of Algeria., A waterfall is a place where water flows over a vertical drop or a series of drops in the course of a stream or river. Waterfalls also occur where meltwater drops over the edge of a tabular iceberg or ice shelf. , Subject: chellala, Relation: instance_of, Options: (A) 1 (B) 1937 (C) 25 (D) agriculture (E) area (F) assembly (G) body of water (H) branch (I) capital (J) city (K) civil war (L) coast (M) continent (N) country (O) course (P) definition (Q) desert (R) drop (S) eight (T) england (U) february (V) government (W) human (X) ice sheet (Y) ice shelf (Z) iceberg ([) islamic republic (\) lake (]) law (^) line (_) location (`) march (a) may (b) mediterranean sea (c) metropolitan (d) metropolitan area (e) minister (f) mountain (g) municipality of algeria (h) nine (i) oil (j) people (k) point (l) politician (m) population (n) province (o) race (p) region (q) republic (r) river (s) salt (t) seven (u) snow (v) state (w) stream (x) territory (y) three (z) war ({) water (|) watercourse (}) waterfall
Example Output:
municipality of algeria