Question: What was formed by the largest entertainment company in South Korea?

full_context: Document 1: YG Entertainment: YG Entertainment Inc. (Korean: YG 엔터테인먼트) is a South Korean entertainment company established in 1996 by Yang Hyun-suk. The company operates as a record label, talent agency, music production company, event management and concert production company, and music publishing house. In addition, the company operates a number of subsidiary ventures under a separate public traded company - YG PLUS, which includes a clothing line, a golf management agency, and a cosmetics brand. It is currently one of the largest entertainment companies in South Korea.
Document 2: Red Velvet discography: The discography of the South Korean girl group Red Velvet consists of one studio album, five extended plays, and twelve singles. Red Velvet was formed by the Korean entertainment company S.M. Entertainment in 2014, and consists of five members.
Document 3: E-girls discography: Japanese collective unit E-girls have released four studio albums, one greatest hits compilation album, three live DVDs, 39 music videos, and 18 singles. E-girls are a unit composed of three sub-groups: Dream, Happiness and Flower, and three original members. Additionally, the band also incorporates two other units; Rabbits and Bunnies, who are yet-to-debut groups and serve under the management LDH, managed by Exile Hiro. They debuted with their single "Celebration!", which generated moderate success in Japan. Follow-up releases managed to achieve more notability, but their single "Follow Me!", became their first single to gain a certification by the Recording Industry Association of Japan (RIAJ)—receiving a double platinum award.
Document 4: Twice (band): Twice (; Japanese: トゥワイス) is a South Korean girl group formed by JYP Entertainment through the 2015 reality show "Sixteen". The group is composed of nine members: Nayeon, Jeongyeon, Momo, Sana, Jihyo, Mina, Dahyun, Chaeyoung, and Tzuyu. The group debuted on October 20, 2015 with the extended play (EP) "The Story Begins".
Document 5: Dal Shabet discography: The discography of the South Korean girl group Dal Shabet consists of one studio album, ten extended plays, five soundtrack appearances, five collaborations, fifteen music videos and nine promotional singles.
Document 6: LOEN Entertainment: LOEN Entertainment (Hangul: 로엔 엔터테인먼트 ), formerly Seoul Records (Hangul: 서울 음반 ), is a South Korean entertainment company established by Min Yeong-bin in 1978. It is headquartered in Tehran Boulevard, Gangnam, Seoul. The company operates as a record label, talent agency, music production company, event management and concert production company, and music publishing house.
Document 7: S.M. Entertainment: 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.
Document 8: NCT (band): NCT (Hangul: 엔시티) is a South Korean boy group formed by S.M. Entertainment. Their name stands for the Hallyu localization project Neo Culture Technology, a term coined by S.M. Entertainment founder Lee Soo-man to describe the group's concept of having an unlimited number of members divided into multiple sub-units based in various cities worldwide.
Document 9: Twice discography: South Korea-based girl group Twice have released four extended plays (one of which was reissued under a different title), one compilation album, one compilation EP, and five singles. Formed by JYP Entertainment in 2015 through the survival show "Sixteen", Twice debuted in October 2015 with the release of their first EP, "The Story Begins", and its single "Like Ooh-Ahh". The EP and the single peaked at No. 3 and No. 10 on the Gaon Music Chart, respectively. "The Story Begins" eventually sold over 120,000 copies, becoming the best-selling debut extended play by a K-pop girl group of all time, breaking the record set by Girls' Generation's first extended play "Gee" (2009), which sold nearly 100,000 copies.
Document 10: Shinhwa videography: This is a list of videography by South Korean six-member boy band Shinhwa. Formed in 1998 under SM Entertainment, it consists of Eric Mun, Lee Min-woo, Kim Dong-wan, Shin Hye-sung, Jun Jin and Andy Lee. They moved to Good Entertainment in July 2003, upon the expiration of their contract. In 2011, after a four-year hiatus, during which they served individual mandatory military services, they formed the Shinhwa Company to continue to perform together. This list the official music videos released by SM Entertainment, Good Entertainment and Shinhwa Company.
Document 11: Seventeen discography: This is the discography of South Korean boy group Seventeen. Seventeen (Hangul: 세븐틴), also stylized as SEVENTEEN or SVT, is a South Korean boy group formed by Pledis Entertainment in 2015. They have released one album and four EPs.
Document 12: Girls' Generation: Girls' Generation (), also known as SNSD, is a South Korean girl group formed by S.M. Entertainment. The group is composed of eight members: Taeyeon, Sunny, Tiffany, Hyoyeon, Yuri, Sooyoung, Yoona, and Seohyun. Originally a nine-piece group (with Jessica, who later departed from the group in September 2014), Girls' Generation debuted in 2007 with their Korean eponymous debut album. Though the album gained some attention, it was not until 2009 that the group rose to fame with the single "Gee", which claimed the top spot on KBS's "Music Bank" for a record-breaking nine consecutive weeks and was named the most popular song of the 2000s in South Korea by Melon. Girls' Generation further consolidated their popularity on the South Korean music scene with follow-up singles "Tell Me Your Wish (Genie)", "Oh!", and "Run Devil Run", which were released in mid-2009 and early 2010.
Document 13: Spice Girls discography: English girl group Spice Girls has released three studio albums, one compilation album, 11 singles and 18 music videos. Formed in 1994, the group was made up of singers Victoria Beckham ("Posh Spice"), Geri Halliwell ("Ginger Spice"), Emma Bunton ("Baby Spice"), Melanie Brown ("Scary Spice") and Melanie Chisholm ("Sporty Spice").
Document 14: Samsung: Samsung Group (Hangul:  ; Hanja:  ; ] ) is a South Korean multinational conglomerate headquartered in Samsung Town, Seoul. It comprises numerous affiliated businesses, most of them united under the "Samsung" brand, and is the largest South Korean "chaebol" (business conglomerate).
Document 15: JYP Entertainment: JYP Entertainment Corporation (Korean: JYP 엔터테인먼트) is a South Korean entertainment company established by Park Jin-young in 1997. The company operates as a record label, talent agency, music production company, event management and concert production company, and music publishing house. It is currently one of the largest entertainment companies in South Korea.
ground_truth: Red Velvet