Question: Which South Korean Singer is also an actress: Park Bom or Hahm Eun-jung?

full_context: Document 1: Seohyun: Seo Ju-hyun (born June 28, 1991), known professionally as Seohyun, is a South Korean singer and actress. She 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. Apart from her group's activities, she has established herself as an actress, notably through her participation in the original and Korean versions of stage musicals including "Moon Embracing the Sun", "Gone with the Wind" and "Mamma Mia". She also starred in the drama "". She debuted as a solo artist with her debut mini album, "Don't Say No", on January 17, 2017, making her the third Girls' Generation member to debut as a solo artist.
Document 2: Park Bom: Park Bom (born March 24, 1984), better known by the mononym Bom, is a South Korean singer. She is best known as a member of the South Korean girl group 2NE1. The group announced their disbandment on November 25, 2016.
Document 3: Good Bye (EP): Goodbye is the re-issued EP by Hahm Eun-jung (also known as Elsie). The title song is "Goodbye," which is an OST of Eun-jung's Webdrama "Only for You".
Document 4: 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.
Document 5: Im Yoon-ah: Im Yoon-ah (Hangul: 임윤아 ; born May 30, 1990), better known by the mononym Yoona, is a South Korean singer and actress. She debuted as a member of girl group Girls' Generation in August 2007, who went on to become one of the best-selling artists in South Korea and one of South Korea's most popular girl groups worldwide.
Document 6: Lee Hi discography: Korean singer Lee Hi is a South Korean singer under YG Entertainment. She is known as the runner-up of SBS's "K-pop Star Season 1". Her debut single "1.2.3.4", was released on October 28, 2012 and reached No. 1 with first-week sales of 667,549 downloads. On March 28, 2013 Lee Hi released her first album, which sold 17,309 copies and total 5,488,390 digital singles. On the end of 2013 Lee Hi released a collaboration with Park Bom of 2NE1, a cover of Mariah Carey's single "All I Want for Christmas Is You". In 2014 she made a unit with Akdong Musician's Lee Suhyun, and released "I'm Different" features Bobby of iKON. After three years from her first album, Lee Hi released a half album titled "Seoulite" digitally on March 9, 2016, including five songs. The full album "Seoulite" was released on 20 April and has 11 songs.
Document 7: 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 8: Park Gyu-ri: Park Gyu-ri (born May 21, 1988), better known by the mononym Gyuri, is a South Korean singer, actress, and radio personality. She was a member of South Korean girl group Kara.
Document 9: Jung Hye-sung: Jung Hye-sung (born Jung Eun-joo on April 29, 1991) is a South Korean actress and model. She featured in television series "Oh My Venus" (2015) and "" (2015), eventually gaining wider recognition for her role as Princess Myung-eun in "Love in the Moonlight" (2016).
Document 10: Shim Eun-ha: Shim Eun-ha is a retired South Korean actress. Shim rose to popularity in the 1990s, starring in some of the highest-rated Korean dramas of all time, such as "The Last Match", "M" and "Trap of Youth". But she is best known for her acclaimed performance in Hur Jin-ho's melodrama "Christmas in August", for which she swept the Best Actress awards in 1998. This was followed by another well-received turn in romantic comedy "Art Museum by the Zoo". Shim suddenly retired from show business at the height of her fame in 2001, and her mystique solidified her status as the most beloved South Korean actress of that decade.
Document 11: List of awards and nominations received by 2NE1: This is a comprehensive list of the awards received by 2NE1, a girl group formed by YG Entertainment in South Korea. Their first extended play, "2NE1" (2009), was received well and spawned the hits "Fire" and "I Don't Care", one of the biggest singles of 2009. It earned 2NE1 many awards and nominations. After initial success in 2009, the group released their first full-length album in 2010, "To Anyone". "Clap Your Hands", "Go Away", and "Can't Nobody" were used as promotional singles. In 2011, they came back with the second EP, "2NE1" (2011), which earned 2NE1 many awards and nominations, including Album of the Year, and Song of the Year for the lead single "I Am the Best". They released four singles in 2012 to 2013, including the hits "I Love You" and "Missing You", and released their first full-album in Japan. They released their second full Korean album "Crush" in 2014 with the lead single "Come Back Home", and entered the Billboard 200 chart. In January 2017, they released a farewell song called "Goodbye" for their fans after the announce of their disbandment.
Document 12: Eugene (actress): Kim Yoo-jin (born March 3, 1981), professionally known as Eugene, is a South Korean singer, actress and presenter. She is best known as a member of South Korean girl group S.E.S..
Document 13: Boom (entertainer): Lee Min-Ho (born May 10, 1982), better known as Boom (Hangul: 붐), is a South Korean rapper, singer, actor, radio host, and television presenter. He has made numerous television appearances in South Korean comedy shows and has acted in sitcoms as well.
Document 14: Hahm Eun-jung: Hahm Eun-jung (born December 12, 1988), better known by the mononym Eunjung, also known as Elsie, is a South Korean singer and actress. She is best known for being a member of South Korean girl group T-ara. In May 2015, she made her solo debut as Elsie with mini album "I'm Good".
Document 15: Jung Eun-ji: Jung Eun-ji (born Jung Hye-rim, on August 18, 1993), better known by the mononym Eunji, is a South Korean singer, songwriter, actress and voice actress. She is best known as the main vocalist of the South Korean girl group Apink. Jung made her acting debut in the coming-of-age drama, "Reply 1997" in 2012. She has since had roles in "That Winter, the Wind Blows" (2013), "Trot Lovers" (2014) "Cheer Up!" (2015), in addition to various voice acting roles. She released her debut solo album, "Dream", in 2016.
ground_truth: Hahm Eun-jung