title: N (singer)
Lee Hong-bin
Ravi (rapper)
Dickie Peterson
VIXX LR
Hyuk (singer)
VIXX videography
Ken (singer)
Leo (singer)
List of songs written by Ravi
sentences: Cha Hak-yeon (Hangul: 차학연 , born June 30, 1990), better known by his stage name N (Hangul: 엔 ), is a South Korean singer, actor, presenter, and radio host, signed under Jellyfish Entertainment.
 Debuted as a member of the South Korean boy group VIXX in May 2012, he began his acting career in 2014 in MBC's romantic-melodrama "Hotel King" as Noah.
 He has since had roles in "The Family is Coming" (2015), "Cheer Up!
" (2015) and "Tomorrow Boy" (2016).
 N began his career as a radio host in May 2015 with his show "VIXX N K-pop" on SBS Power FM.
Lee Hong-bin (Hangul: 이홍빈 , born September 29, 1993), is a South Korean singer and actor signed under Jellyfish Entertainment.
 Hongbin debuted as a member of the South Korean boy group VIXX in May 2012, and began his acting career in 2014 in SBS's romantic drama "Glorious Day" as Yoo Ji-ho.
 He has since had a leading role in KBS2's fantasy action-romance "Moorim School" (2016) as Wang Chi-ang.
Kim Won-sik (Hangul: 김원식 , born February 15, 1993) better known by his stage name Ravi (Hangul: 라비 ), is a South Korean rapper, singer-songwriter, producer, signed under Jellyfish Entertainment.
 He is a member of the South Korean boy group VIXX and VIXX sub-unit VIXX LR.
 He debuted as a solo artist on January 9, 2017, with the release of his debut mini album "R.EAL1ZE".
Richard Allan Peterson (September 12, 1946 – October 12, 2009) was an American musician, best known as the bassist and lead singer for Blue Cheer.
 He also recorded two solo albums: "Child of the Darkness" and "Tramp".
VIXX LR (Korean: 빅스 LR ) is the first official sub-unit of South Korean boy band VIXX formed by Jellyfish Entertainment.
 Established in August 2015, VIXX LR consists of VIXX's main vocalist Leo and main rapper Ravi.
 The sub-unit debuted with their first mini album, titled "Beautiful Liar" on August 17, 2015.
Han Sang-hyuk (Hangul: 한상혁 born July 5, 1995), most often credited as Hyuk (Hangul: 혁 ), is a South Korean singer and actor, signed under Jellyfish Entertainment.
 Hyuk debuted as a member of the South Korean boy group VIXX in May 2012, and began his acting career in 2016 in the comedy-action film "Chasing" as Han Won-tae.
This is the videography of the South Korean boy band VIXX and their sub-unit VIXX LR, formed by Jellyfish Entertainment.
 Their notable group activities are listed below, as a whole, VIXX and VIXX LR has released a total of seventeen music videos, two video albums, and two seasons of a YouTube reality series titled VIXX TV.
Lee Jae-hwan (Hangul: 이재환 born April 6, 1992), better known by his stage name Ken (Hangul: 켄 ), is a South Korean singer and actor, signed under Jellyfish Entertainment.
 He is one of the members in the South Korean boy group VIXX and has been widely praised for his unique, soulful, and husky vocal tone.
 Ken began his acting career in 2014 in MBC Every 1's comedy drama "Boarding House No. 24" as Lee Jaehwan.
Jung Taek-woon (Hangul: 정택운 , born on November 10, 1990), better known by his stage name Leo (Hangul: 레오 ), is a South Korean singer, songwriter and musical theatre actor, signed under Jellyfish Entertainment.
 Known for his high-pitched, sharp, and clear vocals, Leo debuted as a member of the South Korean boy group VIXX in May 2012, and began his acting career in 2014 in the musical "Full House" as Lee Young-jae.
 In 2015 he began his songwriting career, and with VIXX member Ravi formed VIXX's first official sub-unit VIXX LR.
Ravi is a South Korean rapper, songwriter and producer, signed under Jellyfish Entertainment.
 He began his career as a rapper in 2012 in the South Korean boy group VIXX, and later formed VIXX's first sub-unit VIXX LR with band mate Leo in 2015.
 Ravi's songwriting career began with his participation in co-writing VIXX's debut single "Super Hero".
 As of November 2016 with the release of "VIXX 2016 Conception Ker", Ravi has contributed to the writing and composing of over 46 songs recorded by VIXX.
 Ravi is widely known for his participation of composing and songwriting rap portions for the group as well as lyrics and music.

Question: Question: Which of the following is a member of the South Korean boy group VIXX: Ken or Dickie Peterson? 

 Your answer will be verified with exact match score. To ensure correct verification, only provide the answer within the <answer> </answer> tags. Do not put any sentences or reasoning process within the <answer> </answer> tags. 

Supporting Information: Paragraph 0 

 Cha Hak-yeon (Hangul: 차학연 , born June 30, 1990), better known by his stage name N (Hangul: 엔 ), is a South Korean singer, actor, presenter, and radio host, signed under Jellyfish Entertainment.
 Debuted as a member of the South Korean boy group VIXX in May 2012, he began his acting career in 2014 in MBC's romantic-melodrama "Hotel King" as Noah.
 He has since had roles in "The Family is Coming" (2015), "Cheer Up!
" (2015) and "Tomorrow Boy" (2016).
 N began his career as a radio host in May 2015 with his show "VIXX N K-pop" on SBS Power FM. 

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Paragraph 1 

 Lee Hong-bin (Hangul: 이홍빈 , born September 29, 1993), is a South Korean singer and actor signed under Jellyfish Entertainment.
 Hongbin debuted as a member of the South Korean boy group VIXX in May 2012, and began his acting career in 2014 in SBS's romantic drama "Glorious Day" as Yoo Ji-ho.
 He has since had a leading role in KBS2's fantasy action-romance "Moorim School" (2016) as Wang Chi-ang. 

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Paragraph 2 

 Kim Won-sik (Hangul: 김원식 , born February 15, 1993) better known by his stage name Ravi (Hangul: 라비 ), is a South Korean rapper, singer-songwriter, producer, signed under Jellyfish Entertainment.
 He is a member of the South Korean boy group VIXX and VIXX sub-unit VIXX LR.
 He debuted as a solo artist on January 9, 2017, with the release of his debut mini album "R.EAL1ZE". 

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Paragraph 3 

 Richard Allan Peterson (September 12, 1946 – October 12, 2009) was an American musician, best known as the bassist and lead singer for Blue Cheer.
 He also recorded two solo albums: "Child of the Darkness" and "Tramp". 

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Paragraph 4 

 Han Sang-hyuk (Hangul: 한상혁 born July 5, 1995), most often credited as Hyuk (Hangul: 혁 ), is a South Korean singer and actor, signed under Jellyfish Entertainment.
 Hyuk debuted as a member of the South Korean boy group VIXX in May 2012, and began his acting career in 2016 in the comedy-action film "Chasing" as Han Won-tae. 

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Paragraph 5 

 This is the videography of the South Korean boy band VIXX and their sub-unit VIXX LR, formed by Jellyfish Entertainment.
 Their notable group activities are listed below, as a whole, VIXX and VIXX LR has released a total of seventeen music videos, two video albums, and two seasons of a YouTube reality series titled VIXX TV. 

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Paragraph 6 

 Lee Jae-hwan (Hangul: 이재환 born April 6, 1992), better known by his stage name Ken (Hangul: 켄 ), is a South Korean singer and actor, signed under Jellyfish Entertainment.
 He is one of the members in the South Korean boy group VIXX and has been widely praised for his unique, soulful, and husky vocal tone.
 Ken began his acting career in 2014 in MBC Every 1's comedy drama "Boarding House No. 24" as Lee Jaehwan. 

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Paragraph 7 

 Ravi is a South Korean rapper, songwriter and producer, signed under Jellyfish Entertainment.
 He began his career as a rapper in 2012 in the South Korean boy group VIXX, and later formed VIXX's first sub-unit VIXX LR with band mate Leo in 2015.
 Ravi's songwriting career began with his participation in co-writing VIXX's debut single "Super Hero".
 As of November 2016 with the release of "VIXX 2016 Conception Ker", Ravi has contributed to the writing and composing of over 46 songs recorded by VIXX.
 Ravi is widely known for his participation of composing and songwriting rap portions for the group as well as lyrics and music. 

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Answer: Ken