Information:  - Incheon International Airport (IIA) (sometimes referred to as SeoulIncheon International Airport) is the largest airport in South Korea, the primary airport serving the Seoul Capital Area, and one of the largest and busiest airports in the world. Since 2005, it has been rated the best airport worldwide by Airports Council International every year. It is also rated as the world's cleanest airport and the world's best international transit airport by Skytrax.  - Unseo Station is a railway station on AREX . Unseo - dong is the site of Airport Town Square (  ) , a relatively new town with hotels and other facilities for those going to or coming from Incheon International Airport . It takes 47 minutes to get to Seoul Station from Unseo Station . There is a large forecourt outside the station with seats and bicycle racks and there are usually taxis there . You need only to walk one block from the station to find the restaurants , and if you look left Lotte Mart ( supermarket ) is not hard to miss. Lotte Mart has a food court on the 2nd floor if you need a quick meal . When coming back to Unseo from Seoul , make sure you get the train that goes all the way to the airport , as the other one terminates one stop earlier in Geomam . There will be a sign in English and Korean at Seoul Station . There are hotels / motels in Unseo and one near the station ( go to the intersection and turn right ) . Unseo is two stops ( 8 minutes ) from Incheon International Airport .  - Incheon (formerly romanized as Inchon; literally "kind river"), officially the Incheon Metropolitan City(), is a city located in northwestern South Korea, bordering Seoul and Gyeonggi to the east. Inhabited since the New Stone Age, Incheon was home to just 4,700 people when it became an international port in 1883. Today, about 3 million people live in the city, making it Koreas third most populous city after Seoul and Busan. The city's growth has been assured in modern times with the development of its port due to its natural advantages as a coastal city and its proximity to the South Korean capital. It is part of the Seoul Capital Area, along with Seoul itself and Gyeonggi Province, forming the world's second largest metropolitan area by population.  - AREX(Airport Railroad Express), spelled "A'REX" as a brand name, is a South Korean commuter rail line that links Seoul with Gimpo Airport and Incheon International Airport. The section between the two airports opened on March 23, 2007, the extension to Seoul Station opened December 29, 2010.    After reading the paragraphs above, we are interested in knowing the entity with which 'unseo station' exhibits the relationship of 'date of official opening'. Find the answer from the choices below.  Choices: - 1883  - 2005  - 2007
2007

Question: Information:  - Botswana , officially the Republic of Botswana, is a landlocked country located in Southern Africa. The citizens refer to themselves as "Batswana" (singular: "Motswana"). Formerly the British protectorate of Bechuanaland, Botswana adopted its new name after becoming independent within the Commonwealth on 30 September 1966. Since then, it has maintained a strong tradition of stable representative democracy, with a consistent record of uninterrupted democratic elections.  - Windhoek (; German: ""; ) is the capital and largest city of the Republic of Namibia. It is located in central Namibia in the "Khomas Highland" plateau area, at around above sea level, almost exactly at the country's geographical centre. The population of Windhoek in 2011 was 325,858, growing continually due to an influx from all over Namibia.  - The Southern African Development Community (SADC) is an inter-governmental organization headquartered in Gaborone, Botswana. Its goal is to further socio-economic cooperation and integration as well as political and security cooperation among 15 southern African states. It complements the role of the African Union.  - The United Nations (UN) is an intergovernmental organization to promote international co-operation. A replacement for the ineffective League of Nations, the organization was established on 24 October 1945 after World War II in order to prevent another such conflict. At its founding, the UN had 51 member states; there are now 193. The headquarters of the United Nations is in Manhattan, New York City, and experiences extraterritoriality. Further main offices are situated in Geneva, Nairobi, and Vienna. The organization is financed by assessed and voluntary contributions from its member states. Its objectives include maintaining international peace and security, promoting human rights, fostering social and economic development, protecting the environment, and providing humanitarian aid in cases of famine, natural disaster, and armed conflict.  - 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 African Union (AU) is a continental union consisting of all 55 countries on the African continent. It was established on 26 May 2001 in Addis Ababa, Ethiopia, and launched on 9 July 2002 in South Africa, with the aim of replacing the Organisation of African Unity (OAU). The most important decisions of the AU are made by the Assembly of the African Union, a semi-annual meeting of the heads of state and government of its member states. The AU's secretariat, the African Union Commission, is based in Addis Ababa.  - Namibia, officially the Republic of Namibia (German: ), is a country in southern Africa whose western border is the Atlantic Ocean. It shares land borders with Zambia and Angola to the north, Botswana to the east and South Africa to the south and east. Although it does not border Zimbabwe, a part of less than 200 metres of the Zambezi River (essentially a small bulge in Botswana to achieve a Botswana/Zambia micro-border) separates the two countries. Namibia gained independence from South Africa on 21 March 1990, following the Namibian War of Independence. Its capital and largest city is Windhoek, and it is a member state of the United Nations (UN), the Southern African Development Community (SADC), the African Union (AU), and the Commonwealth of Nations.  - Zimbabwe, officially the Republic of Zimbabwe, is a landlocked country located in southern Africa, between the Zambezi and Limpopo Rivers. It is bordered by South Africa to the south, Botswana to the west and southwest, Zambia to the northwest, and Mozambique to the east and northeast. Although it does not border Namibia, less than 200 metres of the Zambezi River separates it from that country. The capital and largest city is Harare. A country of roughly 13 million people, Zimbabwe has 16 official languages, with English, Shona, and Ndebele the most commonly used.  - The National Art Gallery of Namibia ( NAGN ) is an institution for art and culture of the government of Namibia and is situated in Windhoek , Namibia . Its aims are to encourage and cultivate art in Namibia . In the National Art Gallery of Namibia there is a permanent exhibition of international recognition showing Namibian , African and European art. The Gallery shows also local art. Hercules Viljoen -- former Professor and Head of Department in Visual and Performing Arts at the University of Namibia -- is the director at the moment .    After reading the paragraphs above, we are interested in knowing the entity with which 'national art gallery of namibia' exhibits the relationship of 'inception'. Find the answer from the choices below.  Choices: - 13  - 15  - 16  - 193  - 1990  - 20  - 200  - 2001  - 2011  - 24  - 29  - 30  - 55  - july 2002  - march 1990  - september 1966
Answer:
1990