Question: Are Monoral and Versus both rock bands?

full_context: Document 1: Rise Against: Rise Against is an American melodic hardcore band from Chicago, Illinois, formed in 1999. The band's current line-up comprises vocalist/rhythm guitarist Tim McIlrath, lead guitarist Zach Blair, bassist Joe Principe and drummer Brandon Barnes. Former members are guitarists Dan Wlekinski, Kevin White, Todd Mohney and Chris Chasse, and drummer Toni Tintari.
Document 2: One Ok Rock: One Ok Rock, stylized as ONE OK ROCK (pronounced in Japanese as "one o'clock"), is a Japanese rock band formed in Tokyo, Japan in 2005. The band currently consists of Takahiro Moriuchi (vocals), Toru Yamashita (guitar/leader), Ryota Kohama (bass), and Tomoya Kanki (drums).
Document 3: Sophia (Japanese band): Sophia (stylized as SOPHIA) was a Japanese rock band formed in 1994 by vocalist Mitsuru Matsuoka, guitarist Kazutaka Toyota, bassist Yoshio Kuroyanagi, drummer Yoshitomo Akamatsu and keyboardist Keiichi Miyako. Currently signed to Avex Trax since 2011, they made their major debut in 1995 on Toy's Factory. They changed over to Toshiba EMI in 2004, and Universal Music Japan in 2009.
Document 4: J-rock: Japanese rock (Japanese: 日本のロック , Hepburn: Nihon no Rokku ) , sometimes abbreviated to , is rock music from Japan. Influenced by American and British rock of the 1960s, the first rock bands in Japan performed what is called Group Sounds, with lyrics almost exclusively in English. Folk rock band Happy End in the early 1970s are credited as the first to sing rock music in the Japanese language. Punk rock band the Blue Hearts and heavy metal group X Japan, led Japanese rock bands in the late 1980s and early 1990s by achieving major mainstream success. Japanese rock music has become a cult worldwide, being widely known in Asia and has survived through decades competing with its contemporary derivative local style J-pop.
Document 5: The Format: The Format was an American indie rock band formed by Nate Ruess and Sam Means. The band announced a hiatus on February 4, 2008. Their style can be considered a mixture of indie, alternative, punk and folk music, with elements of 1960s and 1970s pop music. Though Means and Ruess are the foremost members of the band, they have played, toured, and recorded with Mike Schey, Mark Buzard, Don Raymond, and—for the DVD recording and summer 2007 tour—The Honorary Title's current drummer and The Format alumnus Adam Boyd. The Format chose their name to make fun of the music industry's inclination towards a cookie-cutter "format" for a hit.
Document 6: One Ok Rock discography: Japanese rock band One Ok Rock has released eight studio albums, two EPs, 22 singles, seven video albums, six cover versions, and 32 music videos. One Ok Rock was formed in Tokyo, Japan in 2005, currently consists of Takahiro Moriuchi (vocals), Toru Yamashita (guitar/leader), Ryota Kohama (bass), and Tomoya Kanki (drums).
Document 7: Flow (band): Flow is a Japanese rock band, formed in 1998 and signed on to Sony Music Japan's Ki/oon Music label. Flow is a five-piece band made up of two vocalists, a drummer, a bassist, and a guitarist. As of February 2017, the band has released 31 singles and 10 studio albums. Their songs have been featured in the opening sequences of several anime series.
Document 8: Deka Moni: Deka Moni (デカモニ。 ) was a Japanese group consisting of one member, volleyball player Motoko Obayashi, presumably chosen because of her height. She appears four times on the single cover to give the impression of a group with four members. Although Deka Moni is not a part of Hello! Project, Tsunku produced the single, which features a cover of Minimoni's "Jankenpyon!" as its c/w track.
Document 9: Sonic Youth: Sonic Youth was an American rock band from New York City, formed in 1981. Founding members Thurston Moore (guitar, vocals), Kim Gordon (bass guitar, vocals, guitar) and Lee Ranaldo (guitar, vocals) remained together for the entire history of the band, while Steve Shelley (drums) followed a series of short-term drummers in 1985, and rounded out the core line-up. In their early career Sonic Youth were associated with the no wave art and music scene in New York City. Part of the first wave of American noise rock groups, the band carried out their interpretation of the hardcore punk ethos throughout the evolving American underground that focused more on the DIY ethic of the genre rather than its specific sound.
Document 10: Monoral: Monoral is a Japanese alternative rock band signed to Sony Music Japan. The band consists of Anis Shimada on lead vocals and guitar and Ali Morizumi on bass and guitar.
Document 11: Versus (band): Versus is an American indie rock band formed in 1990 by Richard Baluyut, Fontaine Toups, and Edward Baluyut in New York City. Richard and Fontaine were to remain the two core members throughout the band's history. The band was noted for their marriage of indie pop songwriting and vocal harmonies to the "loud-soft" dynamics of grunge and alternative rock. They were also noted for their proficient and disciplined musicianship and for their credo of "meat, sports, and rock", none of which had much currency in the early 1990s American indie scene. They named themselves after the Mission of Burma album "Vs."
Document 12: Enemymine: Enemymine was a Washington-state-based indie rock band known for their very loud and abrasive music. The band consisted of three members; two bass guitarists and a drummer. Mike Kunka of godheadSilo played bass and provided vocals on all songs, while Zak Sally from Low also played bass and Danny Sasaki played drums. Ryan Baldoz also played bass. Enemymine has played shows with Jucifer, Melvins, Mindless Self Indulgence, Burning Brides, the Rapture, Melt Banana, among others.
Document 13: Melvins: The Melvins are an American rock band that formed in 1983 in Montesano, Washington. They have mostly performed as a trio, as well as a quartet with two drummers in recent years. Since 1984, vocalist and guitarist Buzz Osborne and drummer Dale Crover have been constant members. The band was named after a supervisor at a Thriftway in Montesano, Washington, where Osborne also worked as a clerk. "Melvin" was despised by other employees, and the band's members felt it to be an appropriately ridiculous name. Their early work was key to the development of both grunge and sludge metal.
Document 14: Cell (American band): Cell were a New York-based band often tagged with the label of Grunge given the time frame of their existence, though college rock or alternative is arguably a more apt description. The band formed in 1990 and split c.1995. Championed by Sonic Youth's Thurston Moore, they released a 7 inch on his Ecstatic Peace label, and later signing to Geffen.
Document 15: Inoran: Kiyonobu Inoue (井上 清信 , Inoue Kiyonobu , born on September 29, 1970 in Hadano, Kanagawa) , known exclusively by his stage name Inoran, is a Japanese musician, singer and songwriter. He is best known as the rhythm guitarist and a co-founder of the rock band Luna Sea. He started his solo career in 1997 and when Luna Sea disbanded in 2000, he formed Fake? with Oblivion Dust vocalist Ken Lloyd a year later. Then in 2005 when leaving Fake? he founded Tourbillon with Luna Sea vocalist Ryuichi Kawamura and Hiroaki Hayama. He has recently rejoined Luna Sea as they reunited in 2010, and in 2012 formed Muddy Apes with bassist Taka Hirose and support guitarist Dean Tidey, both from Feeder, and 8otto's vocalist Maeson.
ground_truth: yes