Question: Meng Jia is a Chinese singer and actress mostly active in South Korea and China, and part of what South Korean girl group based in South Korea formed by JYP Entertainment in 2010?
Context: Song Qian (; Korean: 빅토리아, 송천 ; Japanese: ビクトリア, 宋茜 ; born February 2, 1987), better known as Victoria Song or Victoria, is a Chinese singer, dancer, actress and model based in South Korea and China.  She debuted in 2009 as a member of South Korean girl group f(x). The Wonder Years: Trilogy is the first extended play by South Korean girl group Wonder Girls.  The mini-album was released on September 30, 2008 in South Korea through JYP Entertainment after their three months of hiatus. GP Basic (Korean: 지피 베이직 ) was a South Korean girl group who debuted on August 15, 2010.  At the time of their debut, they were considered to be the "youngest" South Korean girl group with an average age of below 13.5.  The age of their youngest member, Janey, caused controversy followed by the debut of a much younger girl group, G-story, who were all below 10 years old.  This led to new broadcasting regulations in South Korea. Colors is the third mini-album by South Korean girl group Miss A, which was released on 30 March 2015 by JYP Entertainment.  "Only You" serves as the lead single for the album.  This is the group's final release that includes member Jia before she left the group in 2016 after her contract expired. 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. Jessica Jung (born April 18, 1989), known professionally as Jessica, is an American singer, songwriter, actress, model, fashion designer, and businesswoman currently based in South Korea.  Jung was born and raised in San Francisco, California.  At the age of eleven, she was discovered by South Korean entertainment agency S.M. Entertainment and subsequently moved to South Korea.  In 2007, Jung debuted as a member of the South Korean girl group Girls' Generation.  The group later became one of the best-selling artists in South Korea, and one of South Korea's most popular girl groups nationwide and worldwide. Stephanie Young Hwang (born August 1, 1989), known professionally as Tiffany or Tiffany Hwang, is an American singer based in South Korea.  Born and raised in California, she was discovered by South Korean entertainment agency S.M. Entertainment at the age of fifteen and subsequently moved to South Korea.  After four years of training, Tiffany debuted as a member of girl group Girls' Generation (and later its subgroup TTS) in August 2007, who went on to be one of the best-selling artists in South Korea and one of South Korea's most popular girl groups worldwide.  In 2016, following her contribution to several side projects during the early part of her career, Tiffany became the second Girls' Generation member to release a solo debut album, "I Just Wanna Dance". "Irony" is a song recorded by the South Korean girl group Wonder Girls, written and produced by Park Jin-young.  It was released as their debut single and the lead single from their debut album "The Wonder Years" on February 13, 2007, through JYP Entertainment.  It was also released as a maxi single and extended play (EP), titled "The Wonder Begins".  Three tracks, including "Bad Boy", "It's Not Love", and a remix version of "Irony", were on the EP.  "Bad Boy" was released as the second single in March 2007 while "It's Not Love" was released as the third single on April 27, 2007.  "Irony" became one of their biggest hits in South Korea.  An accompanying music video was also released and shows Sohee, Yeeun, Sunmi and Hyuna's revenge on Sunye's unfaithful boyfriend by using a voodoo doll to embarrass him. Meng Jia (), simply known as Jia, is a Chinese singer and actress mostly active in South Korea and China.  She was a member of the JYP Entertainment's girl group Miss A.  In May 2016, Jia left the group after her contract with JYP Entertainment expired.  To pursue her solo activities in China, Meng Jia signed a contract with Banana Culture Music in 2016. People for Successful Corean Reunification (PSCORE) is a non-governmental organization based in Seoul, South Korea, and Washington D.C. in the United States.  PSCORE addresses potential barriers to Korea reunification, suggests alternatives, and works to improve the situation of North Korean defectors in South Korea and China to bridge the gap between South Korea, North Korea, and the international community.  The organization is made up of North and South Korean staff, interns and volunteers from South Korea and abroad, and North Korean defectors.  While PSCORE provides news coverage on North Korea and helps defectors become South Korean citizens, a unique aspect is that educational programs are offered for North Korean defectors.
Answer: Miss A