Question: Are James P. Bagian and Paz Lenchantin both Americans?

full_context: Document 1: A Perfect Circle discography: The discography of American alternative rock supergroup A Perfect Circle consists of three studio albums, two compilation albums, one extended play, one video album, nine singles, one promotional single and ten music videos. A Perfect Circle is the brainchild of Billy Howerdel. After hearing demos of Howerdel's music, Maynard James Keenan, the lead singer of Tool, offered his services as vocalist. Howerdel agreed, and the band formed in 1999. They were then joined by bassist/violinist Paz Lenchantin, guitarist Troy Van Leeuwen, formerly of Failure, and drummer Tim Alexander, formerly of Primus. Soon after entering the studio to record their first album, Alexander was replaced by Josh Freese of The Vandals. "Mer de Noms" was released in May 2000, selling 188,000 copies its debut week. The band embarked on a number of headlining tours all over the world to promote the album which was certified gold by the Recording Industry Association of America (RIAA) one month after its release, and platinum just four months later.
Document 2: Jay Greene: Jay H. Greene is a retired NASA engineer. Between 2000 and 2004, he served as Chief Engineer at Johnson Space Center, where his role consisted primarily of advising the Center Director. He worked as a FIDO flight controller during the Apollo Program and a flight director from 1982 to 1986, most notably as ascent flight director during the Challenger accident in 1986. Greene worked for four years as a manager on the International Space Station project and received several awards for his work including the NASA Distinguished Service Medal. After his retirement in 2004 he served as a part-time consultant on the Exploration Systems Architecture Study. NASA Associate Administrator Rex Geveden described him as "a famous technical curmudgeon in the Agency."
Document 3: Joseph P. Kerwin: Joseph Peter Kerwin, M.D. (born February 19, 1932), (Capt, USN, Ret.), is an American physician and former NASA astronaut, who served as Science Pilot for the Skylab 2 mission from May 25–June 22, 1973. He was the first physician to be selected for astronaut training.
Document 4: Nicholas Patrick: Nicholas James MacDonald Patrick, Ph.D. (born 19 November 1964), is a British-American engineer and a former NASA astronaut. His flight on the 2006 "Discovery" STS-116 mission made him the fourth person born in the United Kingdom to go into space.
Document 5: Ana Lenchantin: Ana Lenchantin is an Argentine-American cellist (of French ancestry) known for frequent appearances with American rock bands such as Train, Into the Presence, The Eels, Gnarls Barkley, No Doubt, Arthur Lee and Love, A Perfect Circle, Nine Inch Nails, Queens of the Stone Age, Thirty Seconds to Mars, Brian Wilson, Billy Corgan, Billy Howerdel, Glenn Hughes, Jenny Lewis, Melissa Auf der Maur, Damien Rice, Kerli, Lenka, and many more.
Document 6: Paz Lenchantin: Paz Lenchantin (born December 12, 1973) is an Argentine American musician. She has been the bass guitarist, vocalist and violinist of the alternative rock band Pixies since 2014. She is known for playing bass or strings with various bands, including Entrance, A Perfect Circle, Zwan, and Queens of the Stone Age.
Document 7: Pedro Aznar: Pedro Aznar (born 23 July 1959) is an Argentine musician and singer-songwriter. He has a musical experience in jazz, Argentine folk and rock music and has a successful career as a solo artist. He is well known for giving rock songs a jazz-oriented style, by playing the fretless bass, with a big influence from Jaco Pastorius.
Document 8: Pixies: The Pixies are an American alternative rock band formed in 1986 in Boston, Massachusetts. Until 2013, the band comprised Black Francis (lead vocals, rhythm guitar), Joey Santiago (lead guitar), Kim Deal (bass, backing vocals) and David Lovering (drums). The band disbanded acrimoniously in 1993, but reunited in 2004. After Deal left in 2013, the Pixies hired Kim Shattuck as a touring bassist; she was replaced the same year by Paz Lenchantin, who became a permanent member in 2016.
Document 9: James P. Bagian: James Philip Bagian, MD, PE (born 22 February 1952), is an American physician, engineer, and former NASA astronaut of Armenian descent. During his career as an astronaut, he logged 337 hours of space-flight, over two missions, STS-29 (in 1989) and STS-40 (in 1991). After leaving NASA in 1995, Bagian was elected as a member of both the National Academy of Engineering and of the Institute of Medicine. Bagian is currently the Director of the Center for Healthcare Engineering and Patient Safety at the University of Michigan.
Document 10: Kim Deal: Kimberley Ann "Kim" Deal (born June 10, 1961) is an American singer, songwriter and musician, best known as the former bassist and backup vocalist of the alternative rock band Pixies, and the lead vocalist and rhythm guitarist for The Breeders. Deal joined Pixies in January 1986 as the band's bassist, adopting the stage name Mrs. John Murphy for the albums "Come on Pilgrim" and "Surfer Rosa". Following "Doolittle" and Pixies' hiatus, she formed The Breeders with Tanya Donelly, Josephine Wiggs and later introduced her identical twin sister Kelley Deal. Pixies broke up in early 1993.
Document 11: James A. Pawelczyk: James Anthony "Jim" Pawelczyk (born September 20, 1960) is an American researcher of physiology and Kinesiology who flew aboard the NASA STS-90 Space Shuttle mission as a Payload Specialist.
Document 12: Kayvan Najarian: Kayvan Najarian is an Iranian-American scientist, who is an Associate Professor in the Department of Computational Medicine and Bioinformatics and Department of Emergency Medicine at the University of Michigan in Ann Arbor. He is also currently the director of the M-CIRCC's (Michigan Center for Integrative Research in Critical Care) Bioinformatics Signal and Image Analysis Core. Previously, he was the Associate Professor of Computer Science at School of Engineering of Virginia Commonwealth University, Affiliated faculty of Emergency Medicine at School of Medicine of Virginia Commonwealth University, and Associate Director of Virginia Commonwealth University Rehabilitation Engineering Shock (VCURES) center. He is a senior member of the Institute of Electrical and Electronic Engineers, is a reviewer, referee or member of dozens more committees, journals and councils. He received his B.SC. in Electrical Engineering from Sharif University of Technology, his M.Sc. in Biomedical Engineering from Amirkabir University of Technology, and his Ph.D. in Electrical and Computer Engineering at University of British Columbia.
Document 13: Michael Barratt (astronaut): Michael Reed Barratt (born April 16, 1959) is an American physician and a NASA astronaut. Specializing in aerospace medicine, Barratt served as a flight surgeon for NASA before his selection as an astronaut, and has played a role in developing NASA's space medicine programs for both the Shuttle-Mir Program and International Space Station. His first spaceflight was a long-duration mission to the International Space Station, as a Flight Engineer in the Expedition 19 and 20 crew. In March 2011, Barratt completed his second spaceflight as a crew member of STS-133.
Document 14: Head Carrier: Head Carrier is the sixth studio album by the American alternative rock band the Pixies, released on September 30, 2016 on Pixiesmusic and PIAS. Produced by Tom Dalgety, and recorded at RAK Studios in London, the album is the first to feature bass guitarist Paz Lenchantin, who joined the band in 2014 to tour in support of its previous album, "Indie Cindy".
Document 15: Yellow mY skYcaptain: Yellow mY skYcaptain is the debut solo album by A Perfect Circle strings and bass player Paz Lenchantin, released in year 2000. The album was produced by Lenchantin herself.
ground_truth: yes