Question: Which Korean artist is younger: Moon Hee-joon or Bada?

full_context: Document 1: Lee Jun-ho (singer): Lee Jun-ho (; born January 25, 1990), simply known as Junho, is a South Korean singer-songwriter, dancer and actor. He is a member of the South Korean boy band 2PM.
Document 2: Bada (singer): Choi Sung-hee (born February 28, 1980), better known as Bada or Sea, is a South Korean singer and musical actress. She is a member of South Korean girl group S.E.S.. She has released four studio albums, one mini albums and five singles. She won Best Actress at the 3rd The Musical Awards and has starred in ten musicals to date.
Document 3: Moon Hee-joon: Moon Hee-joon (; or spelled Moon Hee-jun; born March 14, 1978) is a South Korean pop-rock singer-songwriter signed under SidusHQ. He initially rose to fame as the leader of former boy band H.O.T. under SM Entertainment.
Document 4: Bada: Bada (stylized as bada; Korean: 바다 ) is a discontinued operating system for mobile devices (in favour of Tizen) such as smartphones and tablet computers. It was developed by Samsung Electronics. Its name is derived from "바다 (bada)", meaning "ocean" or "sea" in Korean. It ranges from mid- to high-end smartphones.
Document 5: Bae Woo-hee: Bae Woo-hee (born November 21, 1991), better known mononym Woohee, is a South Korean singer, songwriter and actress. She is best known as a member of the South Korean girl group Dal Shabet.
Document 6: Moon Hee: Moon Hee (born July 16, 1947) is a South Korean actress active since 1965. She was born in Busan, South Korea in 1947. While attending Seorabeol Art College with a film and theater major, Moon applied for recruiting new actors by KBS TV. When she was attending for a camera test, Moon was picked up by an assistant director of Lee Man-hee . Moon was cast to star in Lee's film "Heukmaek". Moon was commonly referred to as one of the "Troika" along with her rival actresses, Yoon Jeong-hee and Nam Jeong-im of the 1960s and early 1970s. Moon Hee retired from the acting career when she married Jang Gang-jae, the vice president of Hankook Ilbo in November 1971 who later became the chair of the newspaper company.
Document 7: Eunhyuk: Lee Hyuk-jae (born April 4, 1986), better known by his stage name Eunhyuk, is a South Korean singer-songwriter and actor. He is a member of the South Korean boy group Super Junior and their subgroups, Super Junior-T and Super Junior-H. In 2011, he joined Super Junior's Mandopop subgroup, Super Junior-M and the duo Donghae & Eunhyuk; active in China and Japan respectively.
Document 8: Kim Hee-chul filmography: Kim Hee-chul (born July 10, 1983), better known by the mononym Heechul, is a South Korean singer, songwriter, presenter, and actor. He is a member of South Korean boy band Super Junior and further participated in its subgroup, Super Junior-T as well as project group with TRAX's Jungmo, M&D. Aside from group activities, he participated in various television dramas, appeared as a radio DJ and television presenter. He is a "League of Legends (LoL)" Gamer on LoL "Champions" and "Celebrity Event".
Document 9: Kim Hee-chul: Kim Hee-chul (born July 10, 1983), better known by the mononym Heechul, is a South Korean singer, songwriter, presenter, and actor. He is a member of South Korean boy group Super Junior and has further participated in its subgroup, Super Junior-T as well as project group with TRAX's Jungmo, M&D. Aside from group activities, he participated in various television dramas, appeared as a radio DJ and television presenter. He is a "League of Legends" Gamer on LoL "Champions" and "Celebrity Event".
Document 10: Kim Jong-hyun (singer): Kim Jong-hyun (born April 8, 1990), better known by the mononym Jonghyun, is a South Korean singer-songwriter, and radio host. He is a vocalist of the South Korean boy group Shinee, and has further participated in S.M. Entertainment's project group S.M. The Ballad. Jonghyun debuted as a solo artist on January 12, 2015, with his first EP, titled "Base". In the same year, on September 17, Jonghyun released a compilation album, "Story Op.1". On May 24, 2016, Jonghyun released his first studio album, "She Is", followed by his second compilation album, "Story Op.2" on April 24, 2017.
Document 11: 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 12: Bae Suzy: Bae Su-ji (; born October 10, 1994), better known by the mononym Suzy, is a South Korean singer and actress. She is a member of the girl group miss A under JYP Entertainment .
Document 13: BoA concert tours: This is a list of BoA Concert Tours by Kwon Boa (Korean: 권보아, Chinese: 權珤雅, Japanese: クォン·ボア, born November 5, 1986), commonly stylized and known by her stage name BoA, which is an acronym for Beat of Angel. She is a South Korean singer and actress active in South Korea, Japan, and the United States, who referred to as the Queen of Korean Pop.
Document 14: Lee Joon: Lee Chang-seon (born February 7, 1988), better known by his stage name Lee Joon, is a South Korean actor. He is best known as a former member of the South Korean boy band MBLAQ. Since early 2015 he has been signed to Prain TPC, which manages other actors such as Ryu Seung-ryong, Park Ji-young and Park Yong-woo.
Document 15: BoA discography: The discography of South Korean musician BoA consists of 17 studio albums, 6 compilation albums, 5 extended plays and numerous singles. BoA debuted as a musician through South Korean talent agency S.M. Entertainment at the age of 13 with the album "ID; Peace B" (2000), followed by her debut in Japan with Avex Trax in 2001.
ground_truth: Bada