Question: What is the fourth studio album by American rapper Kendrick Lamar

full_context: Document 1: XXX (Kendrick Lamar song): "XXX" (stylized as "XXX.") is a song by American rapper Kendrick Lamar, from his fourth studio album "Damn", released on April 14, 2017. The eleventh track on the album, the song was written by Lamar, Mike Will Made It, DJ Dahi, Sounwave, Anthony Tiffith, Bono, The Edge, Adam Clayton, and Larry Mullen Jr., and produced by Mike Will Made It, DJ Dahi, and Sounwave, with additional production by Top Dawg and Bēkon. The song features a sample of the yet-to-be released song "American Soul" by Irish rock band U2.
Document 2: Loveeeeeee Song: "Loveeeeeee Song" is a song by Barbadian recording artist Rihanna recorded for her seventh studio album "Unapologetic" (2012). The song features vocals by American singer-rapper Future who also co-wrote, and music produced by Luney Tunez, Emmanuel Zaragoza (previously known as Mex Manny) and Future. Additional writing was done by Denisia "Blu June" Andrews and Rihanna herself. The song was released as the fourth single in the UK only and fourth overall from the album, impacting on urban radio stations in that region on April 3, 2013.
Document 3: Damn (Kendrick Lamar album): Damn (stylized as DAMN.) is the fourth studio album by American rapper Kendrick Lamar. It was released on April 14, 2017, by Top Dawg Entertainment, Aftermath Entertainment and Interscope Records. The album features production from a variety of record producers, including executive producer from the Top Dawg Entertainment label-head Anthony "Top Dawg" Tiffith, Sounwave, DJ Dahi, Mike Will Made It and Ricci Riera; as well as production contributions from James Blake, Steve Lacy, BadBadNotGood, Greg Kurstin, The Alchemist and 9th Wonder, among others.
Document 4: Fear (Kendrick Lamar song): "Fear" (stylized as "FEAR.") is a song by American rapper Kendrick Lamar, from his fourth studio album "Damn", released on April 14, 2017. The twelfth track on the album, the song was written by Lamar and Daniel Maman, aka The Alchemist, and produced by The Alchemist, with additional production by Bēkon. At seven minutes and forty-one seconds, it is the longest song on the album.
Document 5: Duckworth (song): "Duckworth" (stylized as "DUCKWORTH.") is a song by American rapper Kendrick Lamar, taken from his fourth studio album "Damn", released on April 14, 2017. The fourteenth and final track on the album, the song was written by Lamar and record producer Patrick Douthit, known professionally as 9th Wonder, and produced by 9th Wonder, with additional production by Bēkon. The song's title is Lamar's actual last name.
Document 6: DNA (Kendrick Lamar song): "DNA" (stylized as "DNA.") is the second single by American rapper Kendrick Lamar, from his fourth studio album "Damn", released on May 30, 2017. The second track on the album, the song's lyrics were written by Lamar, while the production was handled by Mike Will Made It. The song's music video was released on April 18, 2017 and features American actor Don Cheadle.
Document 7: To Pimp a Butterfly: To Pimp a Butterfly is the third studio album by American rapper Kendrick Lamar. It was released on March 15, 2015, by Top Dawg Entertainment, Aftermath Entertainment and Interscope Records. The album was recorded in studios throughout the United States, with production from Sounwave, Terrace Martin, Taz "Tisa" Arnold, Thundercat, Rahki, LoveDragon, Flying Lotus, Pharrell Williams, Boi-1da, and several other high-profile hip hop producers, as well as executive production from Dr. Dre and Anthony "Top Dawg" Tiffith. The album incorporates elements of free jazz, funk, soul, spoken word, and the avant-garde and explores a variety of political and personal themes concerning African-American culture, racial inequality, depression, and institutional discrimination.
Document 8: Humble (song): "Humble" (stylized as "HUMBLE.") is a song by American rapper Kendrick Lamar. It was released on March 30, 2017, by Top Dawg Entertainment, Aftermath Entertainment and Interscope Records. The song, written by Lamar and Mike Will Made It and produced by the latter, was serviced to rhythmic contemporary radio as the lead single from Lamar's fourth studio album, "Damn". The single became Lamar's second number-one single on the US "Billboard" Hot 100 after "Bad Blood" and his first as a lead artist.
Document 9: Love (Kendrick Lamar song): "Love" (stylized as "LOVE.") is a song by American rapper Kendrick Lamar, from his fourth studio album "Damn", released on April 14, 2017. The tenth track on the album, the song was written by Lamar, Zacari Pacaldo, Teddy Walton, Sounwave, Greg Kurstin, and Anthony Tiffith, and produced by DJ Dahi, Sounwave, Kurstin, and Tiffith. The song features soul singer Zacari Pacaldo, who is one of three credited musicians on "DAMN.", the others being Barbadian singer Rihanna on "LOYALTY." and Irish rock band U2 on "XXX."
Document 10: Love the Way You Lie (Part II): "Love the Way You Lie (Part II)" is a song by Barbadian singer Rihanna from her fifth studio album "Loud" (2010). It features guest vocals from American rapper Eminem, who wrote the song alongside Skylar Grey and the producer Alex da Kid. It is the sequel to the 2010 hit single "Love the Way You Lie", which appears on Eminem's seventh studio album "Recovery". It received positive reviews from critics and was performed for at the American Music Awards of 2010 on November 21, 2010, as part of a medley with "What's My Name?" and "Only Girl (In the World)".
Document 11: Love the Way You Lie: "Love the Way You Lie" is a song recorded by the American rapper Eminem, featuring the Barbadian singer Rihanna, from Eminem's seventh studio album "Recovery" (2010). The singer and songwriter Skylar Grey wrote and recorded a demo of the song alongside the producer Alex da Kid when she felt she was in an abusive romantic relationship with the music industry. Eminem wrote the verses and chose Rihanna to sing the chorus, resulting in a collaboration influenced by their past experiences in difficult relationships. Recording sessions were held in Ferndale, Michigan, and Dublin, Ireland. Backed by guitar, piano and violin, the track is a midtempo hip hop ballad with a pop refrain, sung by Rihanna, and describes two lovers who refuse to separate despite being in a dangerous love–hate relationship.
Document 12: Element (song): "Element" (stylized as "ELEMENT.") is a song by American rapper Kendrick Lamar, from his fourth studio album "Damn", released on April 14, 2017. The fourth track on the album, the song was written by Lamar, Mark Spears, aka Sounwave, James Blake, and Ricci Riera and produced by Sounwave, Blake, and Riera, with additional production by Tae Beast and Bēkon.
Document 13: No Love: "No Love" is a song by American rapper Eminem, and was released as the third official single from his seventh album, "Recovery" (2010). The song features American rapper Lil Wayne. It impacted radio on October 5, 2010. "No Love" was produced by American hip hop record producer Just Blaze. The song samples "What Is Love" by Haddaway. It features the chorus of the song as the backing vocals. It was very well received for sampling and some considered it to be one of the best songs from "Recovery". "No Love" reached number 23 on the "Billboard" Hot 100. It has sold more than a million digital downloads in the United States. It was ranked the 8th best song of 2010 by complex.
Document 14: Love (Jana Kramer song): "Love" is a song recorded by American country music artist Jana Kramer. It was released in June 2014 as the first single from her second studio album, "Thirty One". The song was written by Catt Gravitt and Jimmy Robbins.
Document 15: Love CPR: Love CPR is the fourth studio album by Swedish singer and songwriter September. It was released digitally on 14 February 2011 in Sweden by Catchy Tunes with a physical release two days later on the 16th. Producers that worked on the album include Jonas von der Burg, who worked with September on almost all of her songs, StoneBridge, Lucas Secon, Cutfather and Jaakko Salovaara of Darude fame. The album was mastered by Björn Engelmann at Cutting Room Studios. The album has received generally positive reviews from critics so far, with many calling it more pop than her previous work. The album debuted at number one on the Swedish albums chart and was quickly certified platinum for shipment of 50,000 copies. 20,000 copies of the album were sold within the two first days following its release in Sweden.
ground_truth: Damn