Question: Which was an alternative-rock band, Placebo or Foals?

Context paragraphs:
Butterfly Explosion: Butterfly Explosion are an alternative-rock band from Dublin, Ireland.

So Is Death &amp; Love: So Is Death & Love is an EP by the alternative-rock band This World Fair.  It was released in 2005.  Music critics and journalists considered that the record was ready for airplay on mainstream and college radio.  The first two tracks from the EP, "Amy" and "Drama", were rerecorded for the band's self-titled full-length album, "This World Fair".  Lyrics of the fifth track of the EP, titled "Silicone", were written in to a newer song by the band called "This Morning".

Until June: Until June (originally Juune) is an American alternative-rock band, from the Hollywood district of Los Angeles, California.  Formed in 2001 are currently signed of Tooth and Nail Records.

Placebo (band): Placebo are an alternative rock band, formed in London, England in 1994 by singer-guitarist Brian Molko and guitarist-bassist Stefan Olsdal.  The band were soon joined by drummer Robert Schultzberg, who left in 1996 due to conflicts with Molko and was replaced the same year by Steve Hewitt.

Chris Mars: Chris Mars (born April 26, 1961) is an American painter and musician.  He was the drummer for the seminal Minneapolis alternative-rock band the Replacements from 1979 to 1990, then joined the informal supergroup Golden Smog before beginning a solo career.  Mars more or less left music behind in the late '90s in order to concentrate on his artwork.

Wow (Verdena album): Wow is the fifth album by the Italian alternative-rock band Verdena, released in 2011.  It was published as a double CD on January 18, 2011, by Universal Music Group.  It was released on this date in Italy and Switzerland.  Wow was released on vinyl on January 30, 2011, and on September 20, 2011, was released in deluxe version, with two digipak format discs are joined to a DVD Wow Tour 2011, with amateur images produced by the band during the tour, hence the name Amatour.

Belles Will Ring: Belles Will Ring are an Australian alternative-rock band based in Sydney.  It consists of founding members and songwriters Liam Judson and Aidan Roberts; alongside multi-instrumentalist Lauren Crew and drummer Joe Driver.  The band came to prominence when they released their debut album Mood Patterns in 2007 to critical acclaim.

Farewell Continental (EP): Farewell Continental is the first extended-play release by American alternative-rock band Farewell Continental, released on May 25, 2009, by Paper + Plastick.

Truth and Soul: Truth and Soul is the second album by American funk-rock and alternative-rock band Fishbone.  It was released on September 13, 1988.  As is typical of the band's history of music the album features a wide array of genres including punk, ska, reggae, soul, funk, and blues.  Additionally, "Truth and Soul" includes the bands earliest foray into hard rock and heavy metal music.  The album begins with a cover version of Curtis Mayfield's "Freddie's Dead", originally from the soundtrack to the film "Super Fly".

Foals (band): Foals are an English indie rock band from Oxford, England formed in 2005, consisting of lead vocalist and lead guitarist Yannis Philippakis, drummer and percussionist Jack Bevan, rhythm guitarist Jimmy Smith, bassist Walter Gervers, and keyboardist Edwin Congreave.  Since the band's formation, their line-up has remained constant, except for the departure of former lead singer Andrew Mears.

Supporting paragraphs: Placebo (band) Foals (band)
Answer: Placebo