Question: Which is an American band, Nada Surf or Shihad?

Context paragraphs:
The MySpace Transmissions: Manchester Orchestra: The MySpace Transmissions is the fifth EP released by the band Manchester Orchestra, available for free download on MySpace.com.  The EP is the twelfth release in the MySpace Transmissions series, preceded by bands such as Thrice, City And Colour, James Blunt and Nada Surf.  The band also opted to mix it themselves having guitarist Robert do the final work.

Karmic (EP): Karmic was the debut EP from American rock band Nada Surf released in 1996.  It was recorded in 1993 and 1994.  The song "Treehouse" appeared on the band's first album High/Low.  In 2007, "Karmic" was reissued under the Hi-Speed Soul label with bonus track "Pressure Free".

Shihad: Shihad are a rock band from New Zealand, formed in 1988.  The band consists of Jon Toogood (lead vocals, rhythm guitar), Phil Knight (lead guitar, synthesiser, backing vocals), Karl Kippenberger (bass guitar, backing vocals), and Tom Larkin (drums, backing vocals, samplers).  During their recording career, Shihad have produced five number-one studio albums, holding the title for most number one records for any New Zealand artist, alongside Hayley Westenra, and three top-ten singles in New Zealand.

John Roderick (musician): John Roderick is an American musician, writer, podcaster, and politician.  He was born in Seattle, Washington to David Roderick, a former Washington State Representative; he grew up in Anchorage, Alaska, where as a young man he worked as a sluice box mucker for a gold mining operation in the area.  He is currently the lead singer and guitarist in the band The Long Winters and was formerly a touring member of the band Harvey Danger.  He is also a frequent guest musician on recordings by other bands, appearing on the Death Cab for Cutie album "Transatlanticism", the Nada Surf album "The Weight Is a Gift", The Decemberists album "Picaresque", and the David Bazan album "Curse Your Branches", as well as recordings by BOAT, Visqueen, Say Hi, Denver Dalley, Shelby Earl and Ken Stringfellow.  He collaborated with Jonathan Coulton for Coulton's album, "Artificial Heart", released in September 2011 and a duo album called "One Christmas at a Time" in November 2012.  Roderick became a founding member of the Seattle Music Commission in 2010.

Ozma (band): Ozma is an American rock band from Pasadena, California.  The band's sound is a mix of nostalgic new wave–influenced power pop and contrapuntal Casiotone-driven melodies sustained by heavy guitar riffs.  Since their formation in September 1995, Ozma has released five studio albums and toured the U.S., Japan, and Canada more than thirty times, including extensive touring with stylistically similar groups including Weezer, Nada Surf, Rilo Kiley, Superdrag, The Rentals, and Rooney.

Nada Surf discography: The discography of Nada Surf, a New York-based alternative rock group, consists of seven studio albums, thirteen singles and one extended play (EP).  Nada Surf was formed in 1992 and consists of Matthew Caws (guitar, vocals), Daniel Lorca (bass, backup vocals), Ira Elliot (drums, backup vocals), and Doug Gillard (lead guitar).

Those Mockingbirds: Those Mockingbirds are an American band from Montclair, New Jersey, consisting of Adam Bird (vocals, Kyle Walters (guitar), and Kevin Walters (drums, vocals, percussion).  They released their first studio recording, "No Symmetry", on their own label L.E. Records with distribution from SideCho Records in April 2010.  The release was produced by Those Mockingbirds & Tom Beaujour (Nada Surf, Phoenix) former Editor-in-Chief of Revolver Magazine, and recorded at Nuthouse Studio & White Heat Studio.  "No Symmetry" debuted at No. 1 on Amazon's Movers & Shakers Chart.  Also in April 2010 a video was released indicating Those Mockingbirds had kidnapped the Numa Numa guy for a ransom of 50,000 song downloads of their single "Honest?  Honest."  The music video for "No Symmetry's" single, "Honest?  Honest" was released later that year followed by a fan made video for "We Are The Antidote."

Get There (Minor Alps album): Get There is a studio album collaboration by American singer-songwriter Juliana Hatfield and Matthew Caws (lead singer of the band Nada Surf) under the band name Minor Alps.  It was released on October 29, 2013 by Barsuk Records.

Nada Surf: Nada Surf is an American alternative rock band which currently consists of Matthew Caws (guitar, vocals), Ira Elliot (drums), Doug Gillard (guitar) and Daniel Lorca (bass, backing vocals).  Based in New York City and formed in the 1990s, Nada Surf continues to tour.  Their eighth album, "You Know Who You Are", was a featured release on NPR in February 2016.

Matthew Caws: Matthew Rorison Caws (born August 5, 1967 in New York City) is an American singer, songwriter and guitarist.  He is best known as the lead vocalist and guitarist of the alternative rock band Nada Surf.  Caws is also a member of the indie rock duo Minor Alps, alongside Juliana Hatfield.

Supporting paragraphs: Nada Surf Shihad
Answer: Nada Surf