Question: What song was written by Sam Lewis did the group composed of Nayeon and Jeongyeon and other girls sing?
Context: Afrodiziak was a British singing group composed of Caron Wheeler, Claudia Fontaine, and later Naomi Thompson, that was active in the 1980s.  As a duo, Wheeler and Fontaine were best known for performing backing vocals on The Jam's final single "Beat Surrender" in 1982 (with whom they also performed on their final tour) and Elvis Costello's 1983 album "Punch the Clock", especially its single, the international hit "Everyday I Write the Book".  After the addition of a third member, Naomi Thompson, they went on to sing for acts such as Heaven 17 and Howard Jones.  Afrodiziak performed backing vocals on the hit single Free Nelson Mandela, including the a cappella intro, staging it at The Tube (Channel4) in March 1984.  Heaven 17's 1984 album, "How Men Are", featured them prominently, especially on the singles "Sunset Now" and "And That's No Lie".  In 1984 and 1985 they performed on Madness's albums "Keep Moving" and "Mad Not Mad" respectively, also appearing in the video for the Madness single "Sweetest Girl".  Also in 1985, they performed backing vocals on the first two songs on Howard Jones' second album, "Dream Into Action", both of which ("Things Can Only Get Better" and "Life in One Day") became worldwide hit singles; later that year, they went on tour as part of Jones' band.  Other acts the group sang backup for include Japan, Ian Gillan, Aztec Camera, Maxi Priest, Aswad, Sam Brown, and Julia Fordham.  Besides "The Tube", Afrodiziak also appeared on "Top of the Pops", "The Old Grey Whistle Test", "Solid Gold", and "American Bandstand".  They performed live at the Montreux Jazz Festival, Live Aid Japan, Red Nose Day of Charity, and the first Free Nelson Mandela Concert. Dos (from the Spanish word for "two") is an American rock group composed of Mike Watt and Kira Roessler, who both sing and play bass guitar.  Critic Greg Prato describes their unusual instrumentation as "a haunting yet intriguing and original sound." Twice (; Japanese: トゥワイス) is a South Korean girl group formed by JYP Entertainment through the 2015 reality show "Sixteen".  The group is composed of nine members: Nayeon, Jeongyeon, Momo, Sana, Jihyo, Mina, Dahyun, Chaeyoung, and Tzuyu.  The group debuted on October 20, 2015 with the extended play (EP) "The Story Begins". "TT" is a song recorded by South Korean girl group Twice, the lead single of their third extended play (EP) "".  The song was released on October 24, 2016 by JYP Entertainment and distributed by KT Music.  It is written and composed by Sam Lewis and Black Eyed Pilseung respectively.  The title "TT" refers to the emoticon used to express crying or sadness. "Like Ooh-Ahh" () is a song recorded by South Korean girl group Twice, the lead single of their debut extended play (EP) "The Story Begins".  It was released on October 20, 2015 by JYP Entertainment and distributed by KT Music.  It is written and composed by Black Eyed Pilseung and Sam Lewis. Angst is a 2000 black comedy written by Anthony O'Connor, directed by Daniel Nettheim and starring Sam Lewis, Jessica Napier, Justin Smith and Abi Tucker.  It was shot in and around Sydney, Australia.  The film was released in Australian theatres on 31 August 2000. Deviations Project is a British electronic music group composed of producer Dave Williams and violinist Oliver Lewis.  The group blends elements of classical music with electronica; pieces such as Tchaikovsky's "Swan Lake", Bizet's "Carmen" and Bach's "Sonata in Gm" are recreated with modern music technology.  Contemporary compositions, including Dave Williams' own songs, John Williams’ "Theme From Schindler's List" and Fleetwood Mac's "Albatross" were integrated with classical works on the group's first full-length release, a self-titled LP.  They have also released the Christmas album "Adeste Fiddles" (a play on Adeste Fideles) and a second album, "Ivory Bow". "Cheer Up" is a song recorded by South Korean girl group Twice, the lead single of their second extended play (EP) "Page Two".  It was released on April 25, 2016 by JYP Entertainment and distributed by KT Music.  It is written and composed by Sam Lewis and Black Eyed Pilseung respectively. One Flew South was an American country music group composed of Eddie Bush, Chris Roberts, and Royal Reed, all three of whom sing lead vocals and play acoustic guitar.  The group's first recording was a song for the soundtrack to the 2006 Disney animated film "The Fox and the Hound 2".  In 2007, One Flew South signed to Decca Records, releasing their debut album "Last of the Good Guys" in May 2008.  This album, which featured collaborations with Marcus Hummon and J.D. Souther, produced the single "My Kind of Beautiful", which charted on the "Billboard" Hot Country Songs charts. Americana is a musical revue in two parts, with book and lyrics by J. P. McEvoy, and music by Con Conrad with additional numbers by George Gershwin, Ira Gershwin, Philip Charig, James Hanley, B. G. DeSylva, Morrie Ryskind, Arthur Schwartz, Theo Goodwin, Joe Young, and Sam Lewis.  The show was presented by Richard Herndon at the Belmont Theatre (121 W. 48th Street, New York, NY), and, after many postponements, opened July 26, 1926.  The show was staged by Allan Dinehart with dance numbers by Larry Ceballos.  The production was designed by John Held, Jr.  It ran for 224 performances, closing in February, 1927.  The cast headlined Lew Brice, Roy Atwell, Betty Compton, Charles Butterworth and the Eddie Elkins Orchestra The New York Times review called it a "witty, ingenious and sophisticated evening of fun-making, it made up in its abundant humor for more than it lacked in some other departments."  The other departments referred to were lack of chorus girls and opulent settings.
Answer: "Cheer Up"