Given the task definition and input, reply with output. 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).

Context: S.M. Entertainment is a South Korean entertainment company established in 1995 by Lee Soo-man. It is currently one of the largest entertainment companies in South Korea. The company operates as a record label, talent agency, music production company, event management and concert production company, and music publishing house., Super Junior ("Syupeo Junieo"), also known as SUJU, is a South Korean boy band. Formed in 2005 by producer Lee Soo-man of S.M. Entertainment, the group comprised a total of thirteen members at its peak. Super Junior originally debuted with twelve members, consisting of leader Leeteuk, Heechul, Hangeng, Yesung, Kangin, Shindong, Sungmin, Eunhyuk, Siwon, Donghae, Ryeowook and Kibum. Kyuhyun joined the group in 2006., Lee Hyuk-jae (born April 4, 1986), better known by his stage name Eunhyuk, is a South Korean singer-songwriter and actor. He is a member of the South Korean boy group Super Junior and their subgroups, Super Junior-T and Super Junior-H. In 2011, he joined Super Junior's Mandopop subgroup, Super Junior-M and the duo Donghae & Eunhyuk; active in China and Japan respectively., Lee Soo-man is a South Korean music executive and record producer. He is best known as the founder of S.M. Entertainment, a prominent South Korean entertainment company. He is also called the 'President of Culture', as he was a pioneer of the Hallyu Wave. Lee Soo-man made his debut as a singer in 1972, when he was a student at Seoul National University. He founded S.M. Entertainment in 1989, which is now the largest management and record label in South Korea. Although he stepped down from the board in 2010, he remains the largest shareholder, with a 21.3% stake. According to The Korea Herald, as of December 2013, Lee's stock holdings amounted to KR187 billion (USD$168 million), making him the richest stockholder in Korean entertainment., Band of Brothers is a 30 - minute long Korean music reality show broadcast on M - Net in which Heechul and Kangin of Super Junior , and Jay and Jungmo of TRAX form a `` tribute band '' to not only perform music by classic pop artists but they also explore the history about the band , their personal lives as well as the influence of their music ., Subject: band of brothers , Relation: country_of_origin, Options: (A) china (B) japan (C) south korea
south korea