Utilize the input text as a context reference, choose the right relationship between Samsung and Seoul from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Samsung C&T Corp. shares rose as much as 3.6 percent following the ruling, and traded up 2 percent to 67,500 won in Seoul trading as of 11:18 a.m. Cheil Industries rose 3.1 percent while the benchmark Kospi gained 0.8 percent.

Answer: location_of_formation