Question: Snow Pink was released by a group formed by what company? 

full_context: Document 1: Snow Pink: Snow Pink is the second extended play by South Korean girl group Apink. It was released on November 22, 2011, with the lead single "My My" used to promote the EP.
Document 2: Snowflake (EP): Snowflake is the third extended play (EP) by South Korean girl group GFriend. It was released by Source Music on January 25, 2016 and distributed by LOEN Entertainment. The album contains five songs, including the single "Rough", and two instrumental tracks. The album debuted at number two on the Gaon Album Chart and has sold more than 33,000 units. GFriend promoted the album with a series of televised live performances on South Korea's music shows, winning a total of 15 music show awards. "Rough" was also commercially successful, topping the Gaon Digital Chart and selling more than one million digital downloads. Musically, the album is similar in style to K-pop from the late 1990s and 2000s.
Document 3: Pink Blossom: Pink Blossom is the fourth mini-album by South Korean girl group Apink, released on March 31, 2014. Group leader, Chorong wrote two songs for the album. A song "Mr.Chu", composed by Duble Sidekick chosen as the title song used to promote the album, with music video were released on the same day. The song peaked at number 2 on "Billboard"'s K-Pop Hot 100. Apink won six music show trophies for "Mr. Chu", and the song was the eighth best selling digital song in 2014, according to Gaon's year-end chart. They released music video from another track of the album, "Crystal" on June 6. The album was the second most selling album of the first week of release and end up at no 30 on 2014 Gaon Yearly Album chart by selling 66,139 albums, become the third highest album sales for girl group.
Document 4: Secret Garden (EP): Secret Garden is the third mini-album by South Korean girl group Apink, released on July 5, 2013. This is their first official release as six-member group and they returned after 14 months since they last promoted their last album "Unee Anee" with "Hush" and "Bubibu" in May 2012. They made first comeback stage on Mnet’s “M! Countdown" one day before the official release. The theme of the album is healing, aim to that will soothe the listeners’ eyes and ears. The album consist of five new songs including the title track “NoNoNo” produced by Shinsadong Tiger.
Document 5: Park Cho-rong: Park Cho-rong (born March 3, 1991), better known mononymously as Chorong, is a South Korean singer-songwriter and actress. She is best known as the leader of the South Korean girl group Apink.
Document 6: Black Pink: Black Pink is a South Korean girl group formed by YG Entertainment. The group consists of four members: Jisoo, Jennie, Rosé and Lisa. They officially debuted on August 8, 2016 with the single album "Square One", which included their first number-one hit in the Gaon Digital Chart, "Whistle", and "Boombayah", which topped the Billboard World Digital Songs chart. Their first five singles have sold 113,000 digital downloads in the United States as of August, 2017. Additionally, they are the highest charting female K-pop act in Billboard' s Social 50.
Document 7: Kim Nam-joo (singer): Kim Nam-joo (born April 15, 1995), better known by the mononym Namjoo, is a South Korean singer and actress. She is best known as a member of the South Korean girl group Apink.
Document 8: Yoon Bo-mi: Yoon Bo-mi (born August 13, 1993), better known by the mononym Bomi, is a South Korean singer, songwriter and actress. She is best known as a member of the South Korean girl group Apink.
Document 9: Page Two (EP): Page Two is the second extended play (EP) by South Korean girl group Twice. The album was released digitally and physically on April 25, 2016 by JYP Entertainment and distributed by KT Music. It contains seven tracks, including the lead single, "Cheer Up". "Page Two" has the most first-week sales out of all K-pop girl group releases in 2016.
Document 10: Oh My Girl discography: The discography of the South Korean girl group Oh My Girl consists of five extended plays, one repackage album, and seven singles. Oh My Girl was formed by the Korean entertainment company WM Entertainment in 2015. The group's debut mini album, "Oh My Girl", was released on April 20, 2015. On October 8, 2015, their second extended play entitled Closer was released. The group's third mini album, Pink Ocean was released on March 28, 2016 along with its lead single "Liar Liar". After almost 2 months, they released a repackage album of Pink Ocean, titled Windy Day with two additional tracks and a Chinese version of "Liar Liar". On August 1, 2016 they released Listen to My Word, a special summer album entitled containing four remake songs, including Papaya's "Listen to My Word (A-ing)" featuring Skull and Haha. The album topped the Korean Music chart which became their most selling album release.
Document 11: Miss A: Miss A (Hangul: 미쓰에이 ), is a South Korean girl group based in South Korea formed by JYP Entertainment in 2010. The group started with four members, but Meng Jia left in May 2016, and currently has three members: Suzy, Fei and Min.
Document 12: Oh Ha-young: Oh Ha-young (born July 19, 1996), better known by the mononym Hayoung, is a South Korean singer, songwriter and actress. She is best known as a member of the South Korean girl group Apink.
Document 13: Son Na-eun: Son Na-eun (born February 10, 1994) is a South Korean singer. She is best known as a member of the South Korean girl group Apink.
Document 14: Apink: Apink (Korean: 에이핑크 , Japanese: エーピンク ; also written as A Pink) is a South Korean girl group formed by Plan A Entertainment (formerly A Cube Entertainment) in 2011. The group consists of Park Cho-rong, Yoon Bo-mi, Jung Eun-ji, Son Na-eun, Kim Nam-joo and Oh Ha-young. Hong Yoo-kyung left the group in April 2013 to focus on her studies.
Document 15: Apink discography: The following is the discography of South Korean girl group Apink, debuting in 2011. The group consists of six members: Chorong, Bomi, Eunji, Naeun, Namjoo, and Hayoung. Former member Yookyung left the group in April 2013. The group has released three full-length albums and six extended plays, one special album, as well as two full-length Japanese albums.
ground_truth: Plan A Entertainment