Q:Information: - The Gyeongchun Line is a regional rail line between Seoul and Chuncheon operated by Korail. The name of the line is derived from Gyeong (meaning the capital, Seoul) and "Chuncheon". The line was reconstructed in a new alignment in its entirety in the 2000s. Rail service operates between Sangbong Station on the Jungang Line in eastern Seoul and Chuncheon Station as part of the Seoul Metropolitan Subway system since December 21, 2010. A class of regional rail service named ITX-Cheongchun began operations on February 28, 2012, linking Chuncheon to Cheongnyangni and Yongsan Stations. - Seoul Metropolitan Rapid Transit Corporation (SMRT) was established in 1994 to operate the Seoul Subway lines 5, 6, 7, 8 in Seoul, South Korea. - Chuncheon is the capital of Gangwon Province, South Korea. The city lies in the north of the county, located in a basin formed by the Soyang River and Han River. There are some large lakes around the city, most notably Lake Soyang and Lake Uiam(or Dam Uiam). The area is renowned for its small river islands, such as Sangjungdo, Ha-Jungdo, Bungeodo, and Wido. - Seoul () officially the Seoul Special City is the capital and largest metropolis of the Republic of Korea (commonly known as South Korea), forming the heart of the Seoul Capital Area, which includes the surrounding Incheon metropolis and Gyeonggi province, the world's 16th largest city. It is home to over half of all South Koreans along with 678,102 international residents. - Sangbong Station is a station on the Seoul Subway Line 7 . As of December 21 , 2010 , this station now has a dual transfer point with the Gyeongui -- Jungang Line and Gyeongchun Line , with the platform of the aboveground station . It is located in Sangbong - dong , Jungnang - gu , and is the western de facto terminus of Gyeongchun Line . - Chuncheon Station is a railway station on, and the eastern terminus of, the Gyeongchun Line. It was opened in 1939 as a regular train station and became a subway stop in 2010. - Yongsan Station is a major railway station in Seoul, South Korea. It is located in Yongsan District, and adjoins the Yongsan Electronics Market. The station is the terminus for high-speed and long-distance trains on a number of railway lines, including most trains on the Honam Line, its high-speed counterpart, and all trains on the Janghang and Jeolla Lines. - Korea Railroad Corporation (Korean: , Hanja: ), promoted as Korail (), is the national railroad operator in South Korea. - The Jungang Line (literally "Central Line") is a railway line connecting Cheongnyangni in Seoul to Gyeongju in South Korea, traversing central South Korea from the northwest to the southeast. It also referred to the rail line of the Seoul Metropolitan Subway from Yongsan Station to Yongmun Station. - The Seoul Metropolitan Subway is an integrated urban rail transit system consisting of 20 rapid transit, light metro, commuter rail and people mover lines located in South Korea. The system serves most of the Seoul Metropolitan Area including the Incheon metropolis and satellite cities in Gyeonggi province. Some lines in the network cross large rural areas to reach major cities in northern Chungnam province and western Gangwon province that lie over 100km away from the capital. - Seoul Subway Line 7 of the Seoul Metropolitan Rapid Transit Corporation was built 1990-96 (Jangam-Konkuk Univ.) and was completed August 1, 2000 (central section 17km. Konkuk University to Sinpung); the western section between Sinpung and Onsu was put into service on February 29, 2000. This north-south line does not run through the city centre but links Gangnam directly to the northern parts of town. - Regional rail, also known as local trains and stopping trains, are passenger rail services that operate between towns and cities. These trains operate with more stops over shorter distances than inter-city rail, but fewer stops and faster service than commuter rail. Regional rail services operate beyond the limits of urban areas, and either connect similarly-sized smaller cities and towns, or cities and surrounding towns, outside or at the outer rim of a suburban belt. Given the information, choose the subject and object entities that have the relation of 'instance of'.
A:
sangbong station , railway station