Question: Superheaven and Oceansize, are bands of which shared genre?

full_context: Document 1: Superheaven: Superheaven (formerly known as Daylight) is an American alternative rock band from Doylestown, Pennsylvania, formed in 2008. Their music has been described as reminiscent of 1990s grunge and shoegazing, but Taylor Madison has expressed a dislike for such labels, describing it simply as rock/rock and roll.
Document 2: Daze (band): Daze is a Danish Eurodance/bubblegum dance band whose 1997 debut album "Super Heroes" became a double platinum international hit. The band is a trio composed of Lucas Sieber, Jesper Tønnov, and Trine Bix, and their style of "zany" "turbo-pop" music is compared to the Danish pop band Aqua. "Super Heroes", initially published in Scandinavia by Sony Music, sold 31,000 copies on the release day and was later released in the United States by Columbia Records and in Non-Nordic global territories by Epic Records. Hit singles included "Superhero", "Tamogotchi" and "Toy Boy". In February 1998, Daze won the Danish Grammy Award for Best Dance Album of 1997. The single "Superhero" was nominated as 1997 Danish hit of the year by G.A.F.F.A. magazine. It was also very famous in Argentina during those years.
Document 3: Sunny Day Real Estate discography: The discography of Sunny Day Real Estate, a Seattle Emo/Indie band that formed in 1992 and broke up in 1995, getting back together in 1997 but ultimately disbanded in 2001. In 2009, however, the band reunited once again.
Document 4: Arctic Monkeys: Arctic Monkeys are an English rock band formed in 2002 in High Green, a suburb of Sheffield. The band consists of Alex Turner (lead vocals, rhythm/lead guitar), Matt Helders (drums, vocals), Jamie Cook (lead/rhythm guitar) and Nick O'Malley (bass, backing vocals). Former band member Andy Nicholson (bass guitar, backing vocals) left the band in 2006 shortly after their debut album was released.
Document 5: Oceansize: Oceansize were an English rock band from Manchester, formed in 1998. The band consisted of Mike Vennart (vocals, guitar), Steve Durose (guitar, backing vocals), Richard "Gambler" Ingram (guitar, keyboards), Mark Heron (drums) and Jon Ellis (bass guitar) for the majority of its career, with Steve Hodson replacing Ellis on bass guitar in 2006.
Document 6: The Stone Roses: The Stone Roses are an English rock band formed in Manchester in 1983. They were one of the pioneering groups of the Madchester movement that was active during the late 1980s and early 1990s. The band's most prominent lineup consists of vocalist Ian Brown, guitarist John Squire, bassist Mani, and drummer Reni.
Document 7: The Rainband: The Rainband are a five-piece indie rock band from Manchester, England founded in 2010 by lead singer Martin Finnigan and guitarist Phil Rainey – who made his name with Peter Hook’s cult combo Monaco (band). Finnigan and Rainey were joined by drummer Steve Irlam (replaced by James Cowell in 2015) and bassist Paul Daggatt later that year. In 2012 Paul Daggatt left and was replaced by Joe Wilson, who then moved onto guitar while his brother Sam Wilson took on bass.
Document 8: Oasis (band): Oasis were an English rock band formed in Manchester in 1991. Developed from an earlier group, the Rain, the band originally consisted of Liam Gallagher (vocals and tambourine), Paul "Bonehead" Arthurs (guitar), Paul "Guigsy" McGuigan (bass guitar), and Tony McCarroll (drums, percussion). They were later joined by Liam's older brother Noel Gallagher (lead guitar and vocals) as a fifth member, becoming the band's settled line-up until April 1995.
Document 9: Diary (Sunny Day Real Estate album): Diary is the debut studio album from the Seattle-based alternative rock band Sunny Day Real Estate. The album is considered by many to be a defining emo album of the . It has also been called the missing link between post-hardcore and the nascent emo genre.
Document 10: Today Is the Day: Today Is the Day is an American noise rock and experimental metal band from Nashville, Tennessee. They have a diverse sound that includes influences from alternative rock, grindcore, avant-garde music, jazz fusion, death metal and progressive rock among other genres. Most of the band's recordings are experimental in nature, displaying an extensive use of dissonance and sampling as well as psychedelic features. Lyrical themes include violence, altered states of consciousness, personal struggles, depression, warfare, drug abuse and mental problems such as psychosis, derealization and paranoia.
Document 11: Supergrass discography: The discography of Supergrass, an English alternative rock band, consists of six studio albums, three extended plays, two compilation albums, 26 singles and 24 music videos. They were formed in 1993 by Gaz Coombes, Mick Quinn and Danny Goffey. Rising to prominence during the Britpop era in the mid-1990s with their single "Alright", they were joined by Rob Coombes in 2002 (keyboards) until their demise on 11 June 2010.
Document 12: Mansun: Mansun were an English alternative rock band formed in Chester in 1995. The band comprised vocalist/rhythm guitarist Paul Draper, bassist Stove King, lead guitarist/backing vocalist Dominic Chad, and drummer Andie Rathbone.
Document 13: Superdrag: Superdrag was an American alternative rock band from Knoxville, Tennessee, United States. The band had a hit with its 1996 single "Sucked Out" off their album "Regretfully Yours", for which a video clip was broadcast regularly on MTV. The original lineup reunited in 2007, releasing their last album in 2009.
Document 14: List of awards and nominations received by Oasis: Oasis are a britpop band formed in Manchester by Liam Gallagher (vocals), Paul Arthurs (guitar), Paul McGuigan (bass) and Tony McCarroll (drums), who were soon joined by Liam's older brother Noel Gallagher (guitar, vocals).
Document 15: Sunny Day Real Estate: Sunny Day Real Estate was an American emo band from Seattle, Washington. They were one of the early emo bands and helped establish the genre. In 1994, the band released their debut album "Diary" on Sub Pop Records to critical acclaim. However, shortly after releasing their second album "LP2", the band broke up, with members Nate Mendel and William Goldsmith joining Foo Fighters and Jeremy Enigk embarking on a solo career. In 1997, they regrouped long enough to record two more studio albums and a live album but ultimately disbanded once again in 2001. The band reunited again in 2009. Bassist Nate Mendel, who chose to remain with Foo Fighters during the previous reunion in 1997, took part in this reunion. In a 2013 interview with MusicRadar, Mendel said Sunny Day Real Estate was inactive. According to Mendel, the band attempted to record a full-length album after the end of their reunion tour, but the sessions "just fell apart". In 2014 the band released one song from those sessions, "Lipton Witch," on a split 7" vinyl with Circa Survive on Record Store Day.
ground_truth: rock