Question: What song co-written by Sia was performed by Tokio Myers on Britain's Got Talent in semi-final 3?

full_context: Document 1: Jake Gosling: Jake Gosling is an English music producer, songwriter, remixer, manager, and publisher best known for his work with artists such as Ed Sheeran, The Libertines, James Bay, Shawn Mendes, All Time Low, One Direction, Christina Perri, Paloma Faith, and Wiley. He received the ASCAP award 2014 as a writer for hit song "Lego House" and was named "Music Week"' s Producer of 2012 after work on Sheeran's album "+", as well as being the predominant producer on x (Multiply), Paloma Faith's "Fall to Grace", and One Direction's "Up All Night" and "Take Me Home", in which he produced Number 1 UK and worldwide hit single "Little Things". Gosling has remixed under the pseudonym Sketch Iz Dead for Lady Gaga, Timbaland & Nelly Furtado, Keane (band), Keri Hilson, and Far East Movement. Gosling runs his own recording studio Sticky Studios in Surrey. Gosling and Sarah Liversedge run a joint venture publishing company called "The Movement London Limited". Gosling is signed as a songwriter to BDi Music Limited and is a full member of the Music Producers Guild. He was nominated at the 58th Annual Grammy Awards for Record of the Year with "Thinking Out Loud". He has also won the Brit Award for 'Album of the Year' in 2015 with Sheeran's x. Gosling has been nominated twice at the Brit Awards for Producer of the Year. He was nominated at the 2015 Grammy Awards for Best Album with x.
Document 2: Stay (Rihanna song): "Stay" is a song recorded by Barbadian singer Rihanna for her seventh studio album, "Unapologetic" (2012). It features guest vocals by Mikky Ekko, and was released as the second single from the album on January 7, 2013. "Stay" was co-written by Ekko and Justin Parker. The song's lyrical content speaks of temptation and the inability to resist true love. Music critics were generally positive in their opinion regarding the balladry, with most describing it as a standout track on the album, though a few labeled it as boring. The song was featured on the third-season finale of the TV Show Younger.
Document 3: Robert ÆOLUS Myers: Robert ÆOLUS Myers is a composer, performer and producer best known for his cinematic soundscapes incorporating flute, synthesizer, and percussion. These works utilizing western classical and indigenous compositional stylings draw readily from Asian, Arabic, and African influences. He has composed four albums—AEOLIAN MELODIES and RAYS, released by Global Pacific Records in conjunction with CBS/Sony Group Inc. and THE MAGICIAN and HIGH PRIESTESS as independent releases. He has additionally appeared on multiple album projects and most closely collaborated with musicians Nelson Hiu, Kit Ebersbach, Bob Kindler, Gerardo Maza, and Charlottémarie. ÆOLUS: A Retrospective, a compilation album featuring works from AEOLIAN MELODIES, RAYS, THE MAGICIAN, and HIGH PRIESTESS, was produced by Aloha Got Soul Records.
Document 4: No Love Allowed: "No Love Allowed" is a song recorded by Barbadian singer Rihanna for her seventh studio album, "Unapologetic" (2012). The singer co-wrote the track together with Sean "Elijah Blake" Fenton, Alexander Izquierdo, Steve Wyreman and Ernest Wilson, who produced it under his production name No I.D.. Kuk Harrell and Marcos Tovar recorded the song at Record One Studios and Westlake Recording Studios in Los Angeles and Metropolis Studios in London; Harrell also did the vocal production. "No Love Allowed" is a electro-ragga and reggae song with an instrumentation consisting of a bubbly, dubbed-out groove, Caribbean and dubstep beat and loping drumless rhythms.
Document 5: Half of Me (Rihanna song): "Half of Me" is a song recorded by Barbadian recording artist Rihanna for her seventh studio album "Unapologetic" (2012). It was written by Emeli Sandé, Naughty Boy and Stargate, with production done by the latter two. It is a chamber pop and R&B song that sees Rihanna deliver vocals in an "experimental" fashion. Its lyrics have been described as a "personal essay", with lyrics that discuss Rihanna's unrepentant attitude in letting people into her life. She references Oprah Winfrey in the line "You saw me on the television". The song garnered positive reviews from music critics, some of whom felt that it is "heartfelt" and "psychedelic". Upon the release of "Unapologetic", the song charted in Canada, France, Ireland, Switzerland and the United Kingdom. It debuted at number 10 on the UK R&B Chart.
Document 6: Lee England, Jr.: Lee England Jr. (born March 15, 1984), is an American violinist, vocalist, arranger, and composer based in Los Angeles, California. He gained recognition in 2009 after his audition for MTV's "Making His Band" impressed executive producer Sean Combs and landed him a spot on the show as the only "non-traditional" instrumentalist. Since then, he has been featured on shows like Jimmy Kimmel Live and The Mo'Nique Show, and has shared the stage with musicians like Stevie Wonder, Beyoncé, and Jay Z. In 2010, England performed at a private party for Michael Jordan. Jordan was so impressed with England's abilities that he offered him an endorsement deal with his shoe brand. Most recently, England performed at the Geffen Playhouse and attracted the attention of legendary music producer, Quincy Jones; he was subsequently signed to Jones's management company: Quincy Jones Productions.
Document 7: James Blake (musician): James Blake Litherland (born 26 September 1988), known as James Blake, is an English singer, songwriter, musician and record producer from London. He first received recognition in 2010 for a trio of dubstep-influenced EPs, and the following year his self-titled debut album was released in the United Kingdom to critical praise. His second studio album "Overgrown" was released in 2013 and was awarded the Mercury Prize. He released his third studio album "The Colour in Anything" in 2016. Blake has also released remix work under the alias Harmonimix.
Document 8: TyDi: tyDi ( ; born Tyson Illingworth, 31 May 1987) is an Australian songwriter, record producer and DJ specializing in electronic dance music. Originally from Queensland, tyDi was signed by Armin van Buuren's Armada label at 17 and was Australia's No.1 DJ in 2008 and 2009, the youngest winner of this award.
Document 9: Diamonds (Rihanna song): "Diamonds" is a song recorded by Barbadian singer Rihanna for her seventh studio album, "Unapologetic" (2012). It was written by Sia Furler together with its producers, Benny Blanco and StarGate. The song premiered on September 26, 2012, during the "Elvis Duran and the Morning Show" and was digitally released the following day as the lead single from "Unapologetic". Def Jam Recordings serviced the single to contemporary hit radio in the United States on October 2. "Diamonds" is a mid-tempo pop, electronic and R&B ballad that features heavy synthesizers, orchestral sounds and electronic rhythms. The song's lyrics serve as a departure from the themes of unhealthy relationships that were on Rihanna's previous singles and contain a prominent concept of love.
Document 10: Unfaithful (song): "Unfaithful" is a song by Barbadian singer Rihanna from her second studio album "A Girl like Me" (2006). It was written by Shaffer "Ne-Yo" Smith with the song's producers StarGate. The song was released by Def Jam Recordings on May 2, 2006, as the second single from the album. "Unfaithful" is a pop and R&B ballad and was inspired by the works of American rock band Evanescence. Originally titled "Murderer", the single speaks about a woman who regrets cheating on her partner.
Document 11: Jonas Blue: Guy James Robin (born 2 August 1989), better known by his stage name Jonas Blue, is an English DJ, record producer, songwriter and remixer based in London who produces music which blends dance music with pop sensibilities.
Document 12: 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 13: We Found Love: "We Found Love" is a song recorded by Barbadian singer Rihanna from her sixth studio album, "Talk That Talk" (2011). It was written and produced by, and features Scottish DJ Calvin Harris; the song was also featured on his third album "18 Months" (2012). "We Found Love" premiered on September 22, 2011, on the Capital FM radio station in the United Kingdom, and was made available to download on the same day as the lead single from "Talk That Talk". "We Found Love" is an uptempo electro house song, with elements of techno and Europop. The song's lyrics speak of a couple who "found love in a hopeless place".
Document 14: Dave Tozer: Dave Tozer is a Grammy Award-winning music producer, songwriter, and musician. He has worked with several R&B, Hip-Hop, Rock and Pop artists including John Legend, Kanye West, Jay-Z, Justin Timberlake, Bruno Mars, John Mayer, Kimbra, Natasha Bedingfield, Needtobreathe, Musiq Soulchild, Emeli Sande, Craig David, Chrisette Michele, Mayer Hawthorne, James Bay, Estelle, DEV and Jazmine Sullivan.
Document 15: Tokio Myers: Torville Jones, better known by his stage name Tokio Myers, is a pianist and music producer born in London. He won reality show "Britain's Got Talent" in 2017 playing Debussy's "Clair de lune", which turned into Ed Sheeran's song "Bloodstream"; Rihanna's "Diamonds" in semi-final 3; and in the final Hans Zimmer's Interstellar Theme soundtrack and Rag'n'Bone Man’s hit "Human".
ground_truth: Diamonds