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: Equatorial Guinea, officially the Republic of Equatorial Guinea, is a country located in Central Africa, with an area of . Formerly the colony of Spanish Guinea, its post-independence name evokes its location near both the Equator and the Gulf of Guinea. Equatorial Guinea is the only sovereign African state in which Spanish is an official language. , the country has an estimated population of over 1.2 million., The Boké Region is located in western Guinea. It is bordered by the countries of Senegal and Guinea-Bissau and the Guinean regions of Kindia and Labé. Its capital is the city of Boké., Guinea , officially the Republic of Guinea, is a country on the West coast of Africa. Formerly known as French Guinea, the modern country is sometimes referred to as Guinea-Conakry in order to distinguish it from other parts of the wider region of the same name, such as Guinea-Bissau and Equatorial Guinea. Guinea has a population of 10.5 million and an area of ., Senegal, officially the Republic of Senegal, is a country in West Africa. Senegal is bordered by Mauritania in the north, Mali to the east, Guinea to the southeast, and Guinea-Bissau to the southwest. Senegal also borders The Gambia, a country occupying a narrow sliver of land along the banks of the Gambia River, which separates Senegal's southern region of Casamance from the rest of the country. Senegal also shares a maritime border with Cape Verde. Senegal's economic and political capital is Dakar. It is the westernmost country in the mainland of the Old World, or Afro-Eurasia, and owes its name to the Senegal River, which borders it to the east and north. The name "Senegal" comes from the Wolof "Sunuu Gaal", which means "Our Boat". Senegal covers a land area of almost and has an estimated population of about 13 million. The climate is Sahelian, but there is a rainy season., Conakry (Sosso: "Knakiri") is the capital and largest city of Guinea. Conakry is a port city on the Atlantic Ocean and serves as the economic, financial and cultural centre of Guinea. Its population as of the 2014 Guinea census was 1,660,973 Originally situated on Tombo Island, one of the Îles de Los, it has since spread up the neighboring Kaloum Peninsula., Guinea-Bissau, officially the Republic of Guinea-Bissau, is a country in West Africa. It covers with an estimated population of 1,704,000., Boffa is a town and sub-prefecture located on Guinea's coast. It is the capital of Boffa Prefecture. Boffa is the nearest town to the mouth of the River Pongo. As of 2014 it had a population of 27,047 people., French Guinea was a French colonial possession in West Africa. Its borders, while changed over time, were in 1958 those of the independent nation of Guinea., Boffa is a prefecture located in the Boké Region of Guinea . The capital is Boffa . The prefecture covers an area of 5,050 km.² and has an estimated population of 211,063 ., Boké is the capital city of Boké Prefecture within the Boké Region of Lower Guinea near the border with Guinea-Bissau. It is also a sub-prefecture of Guinea. Located along the Rio Nuñez which flows to its not-too-distant mouth on the Atlantic Ocean, Boké is a port. It is known for the Fortin de Boké museum, formerly a slave fort. The town is served by Boké Baralande Airport. As of 2014 the city and surrounding sub prefecture had a population of 61,449 people., Subject: boffa prefecture, Relation: instance_of, Options: (A) 1 (B) airport (C) area (D) cape (E) capital (F) city (G) coast (H) country (I) language (J) location (K) name (L) nation (M) people (N) population (O) port city (P) prefecture (Q) prefecture of guinea (R) region (S) region of guinea (T) republic (U) river (V) season (W) state (X) the city (Y) time (Z) town
Output:
prefecture of guinea