Question: Are Cia Berg and Boz Burrell of the same nationality?

full_context: Document 1: The Thirsty Whale: The Thirsty Whale, which opened in 1975, was a rock and roll club at 8800 Grand Avenue, River Grove, Illinois. It brought in acts like Blue Öyster Cult, Molly Hatchet, Black Oak Arkansas, Extreme, Foghat, Johnny Winter and Peter Criss. Survivor performed here monthly early in their career.
Document 2: List of Bad Company band members: The following list details musicians who have been and still are members of the American band Bad Company since its formation in 1973. The band's current lineup includes original members Simon Kirke (drums), Mick Ralphs (guitar) and Paul Rodgers (lead vocals) joined by latter members Howard Leese (guitar, formerly of Heart) and Todd Ronning (bass guitar). The band has gone through many lineup changes throughout its career. The only member to appear in every lineup is drummer Simon Kirke. He is the only member of the band to have performed at every Bad Company concert and to appear on every album. Mick Ralphs is currently still a part of the band but is being temporarily replaced by former Black Crowes guitarist Rich Robinson for the bands 2016 United States tour. While still officially a member of the band in 1990-1991, Ralphs also sat out most of their Holy Water tour. This time he was temporarily replaced by Geoff Whitehorn.
Document 3: Sia (musician): Sia Kate Isobelle Furler ( ; born 18 December 1975) is an Australian singer-songwriter, record producer and music video director. She started her career as a singer in the local Adelaide acid jazz band Crisp in the mid-1990s. In 1997, when Crisp disbanded, she released her debut studio album titled "OnlySee" in Australia. She then moved to London, England, and provided lead vocals for the British duo Zero 7.
Document 4: Inside Bad Company 1974–1982: Inside Bad Company 1974–1982 is a documentary about the English hard rock band Bad Company released in 2005. The DVD reviews Bad Company on stage, on film and on record, with film never previously available. Founding member Simon Kirke and biographer Steven Rosen revisit on the life and work of the classic era of Bad Company. The DVD covers the band in the 1970s, 1980s of the original line up of Paul Rodgers, Mick Ralphs, Boz Burrell and Simon Kirke. Featured are some of the band's biggest hits, including "Can't Get Enough", "Feel Like Makin' Love" and of course, "Bad Company", but no complete performances of any songs are shown, only clips of them. The documentary has interview segments with Kirke, (the only member to be with the band for its entire history) and has instrumental demonstrations showing how the songs were written and played.
Document 5: Live in Albuquerque 1976: Live in Albuquerque 1976 is a live album by the English hard rock band Bad Company featuring all four original members. The recordings were made by Mick Ralphs, who regularly taped the group's shows in the 1970s, so the band could use them to finely tune their set and performances. The album was released on Angel Air Records in 2006, 30 years after it was recorded. The band didn't release an official live album in the 1970s. Mick Ralphs also supplied photos from the 1970s and 1980s for the booklet, taken from his personal archive. It would be the last album with the original bassist Raymond "Boz" Burrell, who died from a heart attack on 21 September 2006 of a heart attack in Spain.
Document 6: Slam Creepers: Slam Creepers were a rock band from Vansbro, Sweden formed by Björn Skifs in 1962 and broke up in 1969. Björn Skifs then went on a solo career. They had some moderate hits including a cover of a Foundations song "We Are Happy People". Skifs would later find success with a number 1 hit "Hooked on a Feeling as a member of Blue Swede.
Document 7: Coti: Roberto Fidel Ernesto Sorokin Esparza, who performs under the stage name Coti, is an Argentine singer-songwriter, best known for collaborations with other Spanish-language artists like Andrés Calamaro (Arg), Julieta Venegas (Mex), Paulina Rubio (Mex) and Luis Miguel in his last album. His 2005 release, "Esta Mañana y Otros Cuentos" went gold in both Argentina and Mexico, while going double platinum in Spain.
Document 8: Greg Lake: Gregory Stuart Lake (10 November 1947 – 7 December 2016) was an English bassist, guitarist, singer, songwriter, and producer who gained prominence as a founder member of the progressive rock bands King Crimson and Emerson, Lake & Palmer (ELP).
Document 9: Boz Burrell: Raymond "Boz" Burrell (1 August 1946 – 21 September 2006) was an English musician. Originally a vocalist and guitarist, Burrell is best known for his bass playing and work with the bands King Crimson and Bad Company. He died of a heart attack in Spain on 21 September 2006 aged 60.
Document 10: Cia Berg: Cia Berg (born 2 December 1963), now known as Cia Soro, is a Swedish television presenter and singer. She was at one time the lead singer of the Swedish rock band Whale, who released the single "Hobo Humpin' Slobo Babe".
Document 11: Victoria Bergsman: Victoria Bergsman (born 4 May 1977) is a Swedish songwriter, musician, and vocalist best known as singer of the indie pop band The Concretes from 1995 to 2006. Since announcing her departure from the band on 24 July 2006 she has been recording for her new solo project Taken by Trees. Bergsman also provided guest vocals for the hit Peter Bjorn and John single "Young Folks" from the album "Writer's Block". She also starred in a video she conceived for herself set to the song "Temptation" by New Order. The video is viewable on YouTube under the title "The Temptation of Victoria".
Document 12: Bada (singer): Choi Sung-hee (born February 28, 1980), better known as Bada or Sea, is a South Korean singer and musical actress. She is a member of South Korean girl group S.E.S.. She has released four studio albums, one mini albums and five singles. She won Best Actress at the 3rd The Musical Awards and has starred in ten musicals to date.
Document 13: Sibel Alaş: Sibel Alaş is a Turkish pop music singer. She was born on 13 February 1973 in İzmit. She graduated from American Culture and Literature Department in İstanbul University. Her first hit was 'Adam' (Man) from her album of the same name in 1995. She was both vocalist and dancer of Yonca Evcimik before solo career. She released second album, Fem (Not opened rose in Turkish or short of female in English) in 1996. She broke music career after releasing Çocuk ("Child" in Turkish) albüm in 1998 due to marrying with Zeki Aköz, who is her manager in 1996 and her disease, Aneurysm. She released fourth album, "Carpe Diem" ("Seize the day" in Latin), in 2006.
Document 14: Fame and Fortune: Fame and Fortune is the seventh studio album by Bad Company. The album was released in October 1986. It is the first album released by the reformed Bad Company, featuring original members Mick Ralphs (guitar) and Simon Kirke (drums), with the addition of new frontman Brian Howe (formerly of Ted Nugent's band) substituting for original singer Paul Rodgers. While original bassist Boz Burrell appears credited as part of the line-up, the liner notes reveal that session player Steve Price plays on the album.
Document 15: Bad Company: Bad Company is an English hard rock supergroup formed in Westminster, London, in 1973 by two former Free band members—singer Paul Rodgers and drummer Simon Kirke—as well as Mott the Hoople guitarist Mick Ralphs and King Crimson bassist Boz Burrell. Peter Grant, who managed the rock band Led Zeppelin, also managed Bad Company until 1982.
ground_truth: no