Question: Ty Dolla Sign appeared on the 2014 album Ohio belonging to which American rapper? 

full_context: Document 1: Ty Dolla Sign discography: American hip hop recording artist Ty Dolla $ign has released one studio album, two extended plays (EP), seven mixtapes and 41 singles (including 25 as a featured artist). In May 2011, Ty Dolla $ign released his first mixtape, "House on the Hill", which includes his debut single "All Stars" featuring Joe Moses. After releasing a few more mixtapes throughout 2011 and 2012, Ty Dolla $ign signed a recording contract with Wiz Khalifa's record label Taylor Gang. In January 2014, he released his major label debut "Beach House EP", via Taylor Gang Records and Atlantic Records. The EP includes hit singles "Paranoid" and "Or Nah". Ty Dolla $ign released his debut studio album, "Free TC" on November 13, 2015. The album includes the hit singles "Blasé", "Saved" and "Wavy".
Document 2: Stoney (album): Stoney is the debut studio album by American rapper Post Malone. It was released on December 9, 2016, by Republic Records.
Document 3: DJ Drama discography: This is the discography of American hip-hop artist DJ Drama. His first album, "", was released in December 2007. It contained two singles: "5000 Ones", featuring Nelly, T.I., Yung Joc, Willie the Kid, Young Jeezy, Diddy and Twista, and "The Art of Storytellin' Part 4", featuring OutKast and Marsha Ambrosius. His second album was released two years later. On "" there were again two singles. The first single is "Day Dreaming", featuring Akon, Snoop Dogg and T.I.. The second single of the album is "Ridiculous", featuring Gucci Mane, Yo Gotti, Lonnie Mac and OJ da Juiceman. Both singles weren't as successful as "5000 Ones" in the United States, but "Day Dreaming" did peak at #33 on the New Zealander RIANZ singles chart and at #59 on the Swedish Sverigetopplistan singles chart. In 2011 DJ Drama released his third studio album, "Third Power". It was his first album not to be released in the Gangsta Grillz series. The lead single of the album is "Oh My", featuring Fabolous, Roscoe Dash and Wiz Khalifa. It was Drama's first song in the Hot 100. It peaked at #95. Besides it peaked at #18 on the Hot R&B/Hip-Hop Songs and #12 on the Hot Rap Songs. On March 1, 2012 DJ Drama announced the release of his fourth album: "Quality Street Music". For the album DJ Drama released a new single: "We in This Bitch", featuring Young Jeezy, T.I., Ludacris and Future. It peaked at #68 on the Hot R&B/Hip-Hop Songs. The next single, "My Moment, featuring 2 Chainz, Meek Mill, & Jeremih, peaked at #89 on the Hot 100 Singles chart, #24 on the Hot R&B/Hip-Hop Songs, and #16 on the Hot Rap Songs. It becomes DJ Drama's most successful single to date.
Document 4: Self Made Vol. 3: Self Made Vol. 3 is the third collaborative studio album by the American record label Maybach Music Group. The album was released on September 17, 2013, by Maybach Music Group and Atlantic Records. Like the two previous albums in the "Self Made" series, the album features contributions from members signed to the MMG label including Rick Ross, Meek Mill, Wale, Stalley, French Montana, Omarion and Rockie Fresh along with Gunplay, Young Breed and Torch of Triple C's. The album features additional guest appearances from Yo Gotti, Lil Boosie, Birdman, J. Cole, Fabolous, Pusha T, Hit-Boy, and Lupe Fiasco among others.
Document 5: Ty Dolla Sign: Tyrone William Griffin Jr. (born April 13, 1985), known professionally as Ty Dolla Sign (stylized as Ty Dolla $ign or Ty$), is an American singer, rapper, songwriter, and record producer. He first gained major recognition in 2010 for his feature on YG's "Toot It and Boot It", which he had written and produced for Def Jam Recordings. In the summer of 2013, he signed a record deal with Wiz Khalifa's Taylor Gang Records. In November 2015, he released his debut studio album, "Free TC", which peaked at number 14 on the US "Billboard" 200.
Document 6: Thank Me Later: Thank Me Later is the debut studio album by Canadian rapper and singer Drake. It was released on June 15, 2010, by Aspire Music Group, Young Money Entertainment, Cash Money Records and Universal Motown Records. Recording sessions took place at various recording studios from 2009 to 2010, including executive production from Drake himself, alongside Lil Wayne, Cortez Bryant and Gee Roberson. The album was mostly produced by Drake's frequent collaborators such as 40 and Boi-1da; as well as its contributions from Timbaland and Swizz Beatz, among others. The album features guest appearances from a female rapper and Young Money's label-mate Nicki Minaj, alongside other artists such as The-Dream and Kanye West, among others.
Document 7: Toot It and Boot It: "Toot It and Boot It" (sometimes written as "Toot It & Boot It") is the debut song by American rapper YG, taken from his second mixtape "The Real 4Fingaz" (2010). The song was officially released as YG's commercial debut single on June 8, 2010, by Def Jam Recordings. The song features uncredited vocals and production from Los Angeles-based rapper Ty Dolla $ign. The song peaked at number 67 on the US "Billboard" Hot 100 and number 12 on the US Hot Rap Songs chart. An official remix and its music video was released, which features the original artists, as well as rappers 50 Cent and Snoop Dogg. The song features samples of "Songs In the Wind" by The Association, part of their 1966 album "Renaissance" (albeit slowed down and in a lower pitch). The track was sampled on "Young, Wild & Free" by Snoop Dogg, Wiz Khalifa and Bruno Mars.
Document 8: In Death Reborn: On February 11, 2014, it was confirmed that the album's production team consisted of producers include Stu Bangas, C-Lance, Leaf Dog, Panik and including Army of the Pharaohs' own Apathy amongst others, including new faces that hadn't been producing for the group beforehand. In promotion for "In Death Reborn", Vinnie Paz released "The Flawless Victory" mixtape on March 2, 2014. Reef the Lost Cauze released a collaboration album titled "Fast Way" alongside producer Emyd on March 9, 2014. Member Doap Nixon only appeared on the song "7th Ghost" but spoke out saying, how he was only featured on one song because he had a lot of personal stuff going on and stated that there will be more of him on the LP that is due to drop in November. King Syze released his fourth studio album one month before the album release on March 25 titled "Union Terminology". Apathy pushed back the release date of "Connecticut Casual" from April to June in favour of "In Death Reborn". A week before the release of "In Death Reborn", Zilla announced he was working on his fourth studio album titled "Martyr Musick" set to be released sometime June 2014. The group released their second album of the year "Heavy Lies the Crown" on 21 October 2014. Six months after In Death Reborn.
Document 9: Young Thug: Jeffery Lamar Williams (born August 16, 1991), best known professionally as Young Thug, is an American hip hop artist from Atlanta, Georgia. He is known for his unconventional vocal style, fashion, and persona. He first received attention for his collaborations with fellow Southern rappers such as Rich Homie Quan, Cash Out, Shawty Lo and Gucci Mane. Young Thug initially released a series of independent mixtapes beginning in 2011 with "I Came From Nothing". In early 2013, he signed with Gucci Mane's 1017 Records, and later that year he released his label debut mixtape "1017 Thug" to critical praise.
Document 10: Lord Steppington: Lord Steppington is the debut studio album by California-based hip hop duo Step Brothers (rapper/producers The Alchemist and Evidence). The album was released on January 21, 2014 by Rhymesayers Entertainment. The record was produced entirely by Alchemist and Evidence, and includes guest appearances from Action Bronson, Roc Marciano, Blu, Fashawn, Rakaa, Oh No, Styles P, Domo Genesis and The Whooliganz – Alchemist's old group which included actor Scott Caan.
Document 11: Saved (Ty Dolla Sign song): "Saved" is a song by American singer Ty Dolla Sign included on his debut studio album, "Free TC " (2015), and features American rapper E-40. The track was released on October 16, 2015, as the third single from the album. It was written by Ty, E-40, Glenda Proby, Bobby Brackins, DJ Mustard and Twice as Nice, with production helmed by the latter two. The official music video for "Saved" was released on November 16, 2015. It was directed by Elliott Sellers.
Document 12: Ohio (Stalley album): Ohio is the debut studio album by American rapper Stalley. The album was released on October 27, 2014, by Maybach Music Group and Atlantic Records. The album features guest appearances from Nipsey Hussle, Rick Ross, August Alsina, Ty Dolla Sign, Rashad and De La Soul. The album was supported by the singles "Always Into Something", "Jackin' Chevys" and "One More Shot".
Document 13: YG (rapper): Keenon Daequan Ray Jackson (born March 9, 1990), better known by his stage name YG, is an American rapper and actor from Compton, California. In 2009, he released his debut single, "Toot It and Boot It" featuring Ty Dolla Sign, which peaked at number 67 on the "Billboard" Hot 100. The single's success resulted in him signing to Def Jam Recordings. In the following years, YG released mixtapes such as "The Real 4Fingaz, Just Re'd Up," "Just Re'd Up 2", "4 Hunnid Degreez," and many more.
Document 14: Rather You Than Me: Rather You Than Me is the ninth studio album by American rapper Rick Ross. It was released on March 17, 2017, by Maybach Music Group and Epic Records. The album features guest appearances from Anthony Hamilton, Dej Loaf, Jeezy, Yo Gotti, Nas, Future, Gucci Mane, Meek Mill, Raphael Saadiq, Ty Dolla Sign, Wale and Young Thug, among others. It was supported by two singles: "I Think She Like Me" and "Trap Trap Trap".
Document 15: Free TC: Free TC is the debut studio album by American singer and rapper Ty Dolla Sign. It was released on November 13, 2015, by Atlantic Records. As executive producers by Ty Dolla Sign and Wiz Khalifa enlisted a variety of collaborators; including DJ Mustard, DJ Spinz, Cardo, Johnny Juliano, R. Kelly, Kendrick Lamar, Brandy and Kanye West, among others.
ground_truth: Stalley