Question: What group formed in 2010 by Starship Entertainment released their fourth extended play on June 21, 2016?
Context: "Lightsaber" is a single recorded by South Korean boy group EXO for their collaboration with "Star Wars."  It was released in Korean version by S.M. Entertainment on November 11, 2015.  The song was announced to be a bonus track for the group's fourth extended play "Sing for You".  It was released in both Korean and Chinese on December 10, 2015 along with the extended play.  The single later was released in Japanese on December 17, 2015 by Avex Trax. Cosmic Girls (Hangul: 우주소녀 ; RR: "Uju Sonyeo " ; ), also known as WJSN, is a South Korean-Chinese girl group formed by Starship Entertainment and Yuehua Entertainment which debuted in 2016.  Their first extended play "Would You Like? " was released on February 25, 2016. Insane Love () is the fourth extended play by South Korean girl group Sistar.  It was released on June 21, 2016 by Starship Entertainment and distributed by LOEN Entertainment.  The song "I Like That" was used as the lead single.  "I Like That" is a dance-pop song about themes of temptation, and the album includes genres like pop, R&B and ballad. The Clan Pt. 1 Lost (also stylized as The Clan Pt. 1 'LOST') is the third extended play, and the first part of "The Clan" series, by the South Korean boy group, Monsta X.  It was released by Starship Entertainment on May 18, 2016 and distributed by LOEN Entertainment.  The album contains six songs, including the singles "Ex Girl" and "All In". Would You Like?  is the debut extended play by South Korean girl group Cosmic Girls.  The album was released digitally and physically on February 25, 2016 by Starship Entertainment and distributed by LOEN Entertainment.  The album contains six tracks including the lead single, "MoMoMo" and second single "Catch Me", which was composed by Kim Ina and is a blend of several different genres. The Secret is the second extended play by South Korean-Chinese girl group Cosmic Girls.  It marked their first album as a thirteen-member group since the addition of Yoo Yeon-jung in July 2016.  It was released on August 17, 2016 by Starship Entertainment and distributed by LOEN Entertainment.  To promote the EP, the group appeared on several South Korean music programs, including "Music Bank" and "Inkigayo".  The song "Secret" was released as the lead single from the EP with a Chinese version also included. The Clan Pt. 2 Guilty (also stylized as THE CLAN, "Pt. 2 <GUILTY>") is the fourth extended play, and the second part of "The Clan" series, by the South Korean boy group, Monsta X.  It was released by Starship Entertainment on October 4, 2016 and distributed by LOEN Entertainment.  The album consists of six songs, including the first single "Fighter". Sistar (, often stylized as SISTAR) was a South Korean girl group formed in 2010 by Starship Entertainment.  The group consisted of Hyolyn, Bora, Soyou, and Dasom.  Their debut studio album "So Cool" was released on 9 August 2011.  Their second album, "Give It to Me," was released on 11 June 2013.  Their biggest hits include "So Cool", "Alone", "Touch My Body", "Loving U" and "Give It to Me".  Their fourth single, "So Cool," debuted at number one at "Billboard" Korea K-Pop Hot 100 singles chart. Touch N Move is the second extended play by South Korean girl group Sistar.  It was released on July 21, 2014 by Starship Entertainment and distributed by LOEN Entertainment.  It features the lead single "Touch My Body". From.  WJSN (Hangul: From.  우주소녀) is the third extended play by South Korean-Chinese girl group Cosmic Girls.  It was released on January 4, 2017 by Starship Entertainment and Yuehua Entertainment, and distributed by LOEN Entertainment.  To promote the EP, the group appeared on several South Korean music programs, including "Music Bank" and "Inkigayo".  The song "I Wish" was released as the lead song from the EP with a Chinese version included.
Answer: Sistar