Question: Rick Witter and Harry Styles are both what?

full_context: Document 1: One Direction: One Direction (commonly abbreviated as 1D) are an English-Irish pop boy band based in London, composed of Niall Horan, Liam Payne, Harry Styles, Louis Tomlinson, and previously, Zayn Malik until his departure from the band on 25 March 2015. The group signed with Simon Cowell's record label Syco Records after forming and finishing third in the seventh series of the British televised singing competition "The X Factor" in 2010. Propelled to international success by social media, One Direction's five albums, "Up All Night" (2011), "Take Me Home" (2012), "Midnight Memories" (2013), "Four" (2014), and "Made in the A.M." (2015), topped charts in most major markets, and generated hit singles including "What Makes You Beautiful", "Live While We're Young", "Best Song Ever", "Story of My Life", and "Drag Me Down".
Document 2: Ed Sheeran: Edward Christopher Sheeran, {'1': ", '2': ", '3': ", '4': "} (born 17 February 1991) is an English singer-songwriter, guitarist, and record producer. He was born in Halifax, West Yorkshire, and raised in Framlingham, Suffolk. He attended the Academy of Contemporary Music in Guildford, Surrey, as an undergraduate from the age of 18 in 2009. In early 2011, Sheeran independently released the extended play, "No. 5 Collaborations Project". After signing with Asylum Records, his debut album, "+" (read as "plus"), was released on 9 September 2011 and has since been certified seven-times platinum in the UK. The album contains the single "The A Team", which earned him the Ivor Novello Award for Best Song Musically and Lyrically. In 2012, Sheeran won the Brit Awards for Best British Male Solo Artist and British Breakthrough Act.
Document 3: Harry Styles: Live on Tour: Harry Styles - Live on Tour is the debut concert tour by British singer Harry Styles in support of his eponymous album (2017). The tour began in September 2017, in San Francisco and will play over 80 concerts through to July 2018 in the Americas, Europe, Asia and Australasia.
Document 4: Zayn Malik discography: English singer and songwriter Zayn has released one studio album, seven singles (including three as a featured artist), two promotional singles and six music videos. In 2010, Malik auditioned as a solo artist for the British reality television music competition "The X Factor". After being eliminated as a solo performer, Malik was brought back into the competition, along with Harry Styles, Niall Horan, Liam Payne, and Louis Tomlinson, to form the boy band One Direction. During his time in the group, Malik and his bandmates released the albums "Up All Night" (2011), "Take Me Home" (2012), "Midnight Memories" (2013), and "Four" (2014). In March 2015, Malik's representative announced the singer's departure from the band.
Document 5: Rick Witter &amp; The Dukes: Rick Witter & the Dukes are a British alternative rock band from York, England.
Document 6: Harry Styles: Harry Edward Styles (born 1 February 1994) is an English singer, songwriter, and actor. He made his debut as a singer with his band White Eskimo, who performed locally in Holmes Chapel, Cheshire. Styles rose to stardom as a member of the boy band One Direction, formed in 2010 through the British music competition series "The X Factor". One Direction has released five albums, performed four worldwide tours, and won several awards.
Document 7: A Maximum High: A Maximum High is the second studio album by the British rock band Shed Seven, released in April 1996 via Polydor Records. The album was written by all four band members at the time of release; Rick Witter, Paul Banks, Tom Gladwin and Alan Leach.
Document 8: Harry Styles (album): Harry Styles is the debut studio album by English singer and songwriter Harry Styles. The album was released on 12 May 2017, through Columbia Records and Styles' own label, Erskine Records. For the album, Styles worked with producers Jeff Bhasker, Alex Salibian, Tyler Johnson and Kid Harpoon. The record was defined by music publications as a collection of soft rock, rock, Britpop and pop. It received generally positive reviews from music critics, and commercially, it debuted atop the charts in several countries, including Australia, Canada, the UK and the US. It was preceded by the release of its lead single, "Sign of the Times", while "Two Ghosts" served as the second single. To promote the album, the singer is embarking on first headlining concert tour, .
Document 9: Let It Ride (Shed Seven album): Let It Ride is the third studio album by the British rock band Shed Seven, released in June 1998 via Polydor Records, and was the band's first LP to be written solely by Rick Witter (lyrics) and Paul Banks (music).
Document 10: Shed Seven discography: The discography of Shed Seven, English indie rock band from York, consists of four studio albums, three live albums, four compilations, three videos, one extended plays and seventeen singles.
Document 11: Shed Seven: Shed Seven are an English alternative rock band, formed in York in 1990. One of the groups which contributed to the Britpop music scene of the 1990s, they never received the degree of mainstream success achieved by the likes of Oasis and Blur. They originally comprised singer Rick Witter, guitarist/keyboardist Joe Johnson, bassist Tom Gladwin and drummer Alan Leach. Johnson was later replaced by Paul Banks.
Document 12: Rick Witter: Richard James "Rick" Witter (born 23 November 1972 in Moss Side, Cheshire) is a singer, songwriter and frontman of the York-based Britpop band Shed Seven.
Document 13: Alex Salibian: Alex Salibian is a music producer signed to Grammy-winning producer Jeff Bhasker's production company. His most recent work includes producer and co-writer of Harry Styles solo debut album Harry Styles (album) as well as producer and co-writer of Young the Giant’s third album Home of the Strange. Alex is also the musical director of Harry Styles’s band, starting with his performance on Saturday Night Live on April 15th, 2017
Document 14: Liam Payne: Liam James Payne (born 29 August 1993) is an English singer and songwriter. He rose to fame as a member of the boy band One Direction. Payne made his debut as a singer when he auditioned for the British television series "The X Factor" in 2008. After being eliminated as a solo performer, he auditioned again in 2010 and was put into a group with four other contestants to form One Direction. One Direction has released five commercially successful albums, performed on four worldwide tours, and won multiple awards.
Document 15: Ricky Wilson (singer): Charles Richard "Ricky" Wilson (born 17 January 1978) is an English singer-songwriter, and the frontman of five-piece band Kaiser Chiefs. Before the formation of the band, in 2003, Wilson was a member of the band Runston Parva (later known as Parva), which consisted of members of Kaiser Chiefs. On 19 September 2013, Wilson was confirmed as a coach on "The Voice UK". He was the winning coach for both the fourth and fifth series of the show, being the only coach to win two years consecutively. Wilson left the show after three series, following the show's move to ITV.
ground_truth: singer, songwriter