Definition: 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).
Input: Context: Ghana, officially the Republic of Ghana is a unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic Ocean, in the subregion of West Africa. Spanning a land mass of 238,535 km², Ghana is bordered by the Ivory Coast in the west, Burkina Faso in the north, Togo in the east and the Gulf of Guinea and Atlantic Ocean in the south. "Ghana" means "Warrior King" in the Soninke language., Switzerland, officially the Swiss Confederation, is a federal republic in Europe. It consists of 26 cantons, and the city of Bern is the seat of the federal authorities. 
The country is situated in Western-Central Europe, and is bordered by Italy to the south, France to the west, Germany to the north, and Austria and Liechtenstein to the east. Switzerland is a landlocked country geographically divided between the Alps, the Swiss Plateau and the Jura, spanning an area of . While the Alps occupy the greater part of the territory, the Swiss population of approximately eight million people is concentrated mostly on the plateau, where the largest cities are to be found: among them are the two global cities and economic centres Zürich and Geneva., Togo, officially the Togolese Republic, is a country in West Africa bordered by Ghana to the west, Benin to the east and Burkina Faso to the north. It extends south to the Gulf of Guinea, where its capital Lomé is located. Togo covers , making it one of the smallest countries in Africa, with a population of approximately 7.5 million., Ivory Coast or Côte d'Ivoire , officially named the Republic of Côte d'Ivoire, is a country located in West Africa. Ivory Coast's political capital is Yamoussoukro, and its economic capital and largest city is the port city of Abidjan. Its bordering countries are Guinea and Liberia in the west, Burkina Faso and Mali in the north, and Ghana in the east. The Gulf of Guinea (Atlantic Ocean) is located south of Ivory Coast., The Soninke language (Soninke: "Sooninkanxanne") is a Mande language spoken by the Soninke people of West Africa. The language has an estimated 1,096,795 speakers, primarily located in Mali, and also (in order of numerical importance of the communities) in Senegal, Ivory Coast, The Gambia, Mauritania, Guinea-Bissau, Guinea and Ghana. It enjoys the status of a national language in Mali, Senegal, and Mauritania., Hilla Limann (12 December 1934  23 January 1998) was the President of Ghana from 24 September 1979 to 31 December 1981. Eventually he became a diplomat, and served in Switzerland. Limann, whose original last name was Babini, was born in the northern Ghanaian town of Gwolu in the Sissala West District of the Upper West Region to a poor family. He managed to gain an excellent education, and took up an academic career., The Upper West Region of Ghana is located in the northwestern corner of Ghana, and is bordered by Upper East region to the east, Northern region to the south, and Burkina Faso to the west and north. The Upper West regional capital and largest settlement is Wa. Upper West is the youngest region to have been created in Ghana by the then former Head of State, Flight Lieutenant Jerry John Rawlings in 1983 under the Provisional National Defense Council. The area was carved out of the then Upper Region which is now the Upper East Region., Gwolu is a town in northern Ghana built in the late 19th century by people fleeing the activities of the slave raider Babatu Zato . Hilla Limann , a former Ghanaian president was born here . The name of the village itself commemorates one Gwollu ( or Gbollu ) Koro Limann , who had a double circular wall built round the local community in the 19th century as a defence against Babatu 's raids . A preserved section of the mud wall can still be seen ., Burkina Faso is a landlocked country in Africa around in size. It is surrounded by six countries: Mali to the north; Niger to the east; Benin to the southeast; Togo and Ghana to the south; and Ivory Coast to the southwest. Its capital is Ouagadougou. In 2014 its population was estimated at just over 17.3 million. Burkina Faso is a francophone country and French is an official language of government and business. Formerly called the Republic of Upper Volta, the country was renamed "Burkina Faso" on 4 August 1984 by then-President Thomas Sankara. Residents of Burkina Faso are known as "Burkinabé"., The Gulf of Guinea is the northeasternmost part of the tropical Atlantic Ocean between Cape Lopez in Gabon, north and west to Cape Three Points in Western region Ghana. The intersection of the Equator and Prime Meridian (zero degrees latitude and longitude) is in the gulf., A subregion is a part of a larger region or continent and is usually based on location. Cardinal directions, such as south or southern, are commonly used to define a subregion., The Atlantic Ocean is the second largest of the world's oceans with a total area of about . It covers approximately 20 percent of the Earth's surface and about 29 percent of its water surface area. It separates the "Old World" from the "New World"., The Sissala West District is one of the nine (9) districts in the Upper West Region of north Ghana. The capital is Gwollu., West Africa, also called Western Africa and the West of Africa, is the westernmost subregion of Africa. West Africa has been defined as including 18 countries: Benin, Burkina Faso, the island nation of Cape Verde, Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Liberia, Mali, Mauritania, Niger, Nigeria, the island of Saint Helena, Senegal, Sierra Leone, São Tomé and Príncipe and Togo., Subject: gwolu, Relation: located_in_the_administrative_territorial_entity, Options: (A) abidjan (B) africa (C) atlantic ocean (D) austria (E) benin (F) bern (G) burkina faso (H) central (I) district (J) earth (K) gabon (L) geneva (M) ghana (N) guinea (O) gulf (P) helena (Q) ivory coast (R) jura (S) lomé (T) mali (U) niger (V) north (W) northern (X) northern region (Y) of (Z) ouagadougou ([) senegal (\) sierra leone (]) south (^) switzerland (_) togo (`) upper west region (a) west (b) yamoussoukro (c) zürich
Output:
upper west region