Context: San Nicolás de los Arroyos Partido is the northernmost partido in Buenos Aires Province, Argentina., Buenos Aires ("Provincia de Buenos Aires"; English: "good airs") is the largest and most populous Argentinian province. It takes the name from the city of Buenos Aires, which used to be the provincial capital until it was federalized in 1880. The current capital of the province is the city of La Plata, founded in 1882., Motomel S.A. is a brand of Argentine motorcycle , based in San Luis Province and Buenos Aires Province ; founded in 1992 by the La Emilia investment group ., Greater Buenos Aires (GBA) is the urban agglomeration comprising the autonomous city of Buenos Aires and the adjacent 24 "partidos" (districts) over the Province of Buenos Aires. Thus, it does not constitute a single administrative unit. The conurbation spreads south, west and north of Buenos Aires city. To the east, the River Plate serves as a natural boundary., The Americas, also collectively called America, encompass the totality of the continents of North America and South America. Together they make up most of Earth's western hemisphere and comprise the "New World". , Argentina, officially the Argentine Republic, is a federal republic in the southern half of South America. Sharing the bulk of the Southern Cone with its neighbor Chile to the west, the country is also bordered by Bolivia and Paraguay to the north, Brazil to the northeast, Uruguay and the South Atlantic Ocean to the east, and the Drake Passage to the south. With a mainland area of , Argentina is the eighth-largest country in the world, the second largest in Latin America, and the largest Spanish-speaking one. The country is subdivided into twenty-three provinces (singular "provincia") and one autonomous city ("ciudad autónoma"), Buenos Aires, which is the federal capital of the nation as decided by Congress.
The provinces and the capital have their own constitutions, but exist under a federal system., La Plata is the capital city of the Province of Buenos Aires, Argentina, and of the partido La Plata. According to the , it has a population of 765,378 and its metropolitan area has 899,523 inhabitants., Buenos Aires is the capital and most populous city of Argentina. The city is located on the western shore of the estuary of the Río de la Plata, on the South American continent's southeastern coast. "Buenos aires" can be translated as "fair winds" or "good airs", but the first one was the meaning intended by the founders in the 16th century, by the use of the original name "Real de Nuestra Señora Santa María del Buen Ayre". The Greater Buenos Aires conurbation, which also includes several Buenos Aires Province districts, constitutes the fourth-most populous metropolitan area in the Americas, with a population of around 17 million., La Emilia is a small town in the San Nicolás Partido of Buenos Aires Province, Argentina., San Luis is a province of Argentina located near the geographical center of the country (on the 32° South parallel). Neighboring provinces are, from the north clockwise, La Rioja, Córdoba, La Pampa, Mendoza and San Juan., The Río de la Plata ("River of Silver")  rendered River Plate in British English and the Commonwealth and La Plata River (occasionally Plata River) in other English-speaking countries  is the river and estuary formed by the confluence of the Uruguay and the Paraná rivers. It empties into the Atlantic Ocean, forming a funnel-shaped indentation on the southeastern coastline of South America., Subject: motomel, Relation: headquarters_location, Options: (A) argentina (B) buenos aires (C) chile (D) córdoba (E) north america (F) paraná (G) san juan (H) san nicolás (I) the americas
Output: san nicolás