Answer the following question: What was the name of  Radioheads forth album?  Answer the above question based on the context below:  Radiohead are  an English rock band formed in Abingdon-on-Thames in 1985. The band consists of Thom Yorke (vocals, guitar, piano, keyboards), brothers Jonny Greenwood (lead guitar, keyboards, other instruments) and Colin Greenwood (bass), Ed O'Brien (guitar, backing vocals) and Philip Selway (drums, percussion). They have worked with producer Nigel Godrich and cover artist Stanley Donwood since 1994. After signing to EMI in 1991, Radiohead released their debut single "Creep" in 1992. It became a worldwide hit after the release of their debut album, Pablo Honey (1993). Their popularity and critical standing rose in the United Kingdom with the release of their second album, The Bends (1995). Radiohead's third album, OK Computer (1997), brought them international fame; noted for its complex production and themes of modern alienation, it is often acclaimed as a landmark record of the 1990s and one of the best albums in popular music. Kid A (2000) and Amnesiac (2001), recorded simultaneously, marked a dramatic change in style, incorporating influences from experimental electronic music, 20th-century classical music, krautrock, and jazz. Kid A divided listeners but was named the best album of the decade by Rolling Stone, Pitchfork and The Times. Hail to the Thief (2003) mixed rock and electronic music with lyrics inspired by the War on Terror, and was Radiohead's final album for EMI. Their subsequent releases have pioneered alternative release platforms such as pay-what-you-want and BitTorrent; Radiohead self-released their seventh album, In Rainbows (2007), as a download for which customers could set their own price, to critical and chart success. Their eighth album, The King of Limbs (2011), an exploration of rhythm, was developed using extensive looping and sampling. A Moon Shaped Pool (2016) prominently featured Jonny Greenwood's orchestral arrangements. Radiohead had sold more than 30 million albums worldwide by 2011. Their work places highly in both listener polls and critics' lists of the best music of the...
Answer:
Kid A