paragraph_text: Portuguese is the official language of Brazil, and is widely spoken by most of population. Brazilian Sign Language is also an official language. Minority languages include indigenous languages and languages of more recent European and Asian immigrants. The population speaks or signs approximately 210 languages, of which 180 are indigenous. Less than forty thousand people actually speak any one of the indigenous languages in the Brazilian territory.

paragraph_text: Flemming Flindt (30 June 1936 – 3 March 2009) was a Danish choreographer born in Copenhagen. He studied at the Royal Danish Ballet and Paris Opera Ballet schools, joined the Royal Danish Ballet and was promoted to soloist in 1955. He guested with the London Festival Ballet in 1955, the Ballet Rambert in 1960, the Royal Ballet 1963 and the Bolshoi Ballet in 1968, becoming an "étoile" at the Paris Opera Ballet in 1961.

paragraph_text: The Fountain of Bakhchisarai (Russian: Бахчисарайский фонтан) is a full-length ballet in four acts, choreographed by Rostislav Zakharov to music by Boris Asafyev. The libretto by Nikolai Volkov is based on the 1823 poem of the same title by Alexander Pushkin. The ballet premiered on 28 September 1934 at the Kirov Academic Theatre of Opera and Ballet, with Galina Ulanova as Maria, Olga Iordan as Zarema, Mikhail Dudko as Khan Girey, and Konstantin Sergeyev as Vaslav.

paragraph_text: Willam Farr Christensen (August 27, 1902 – October 14, 2001) was an American ballet dancer, choreographer and founder of the San Francisco Ballet and Ballet West in Salt Lake City, Utah. He is known for bringing the complete version of the Russian ballet "The Nutcracker" to the United States, as well as staging the first American performances of "Swan Lake" and "Coppélia". Christensen's "Nutcracker" was first staged in 1944 in San Francisco, where the ballet remains an annual tradition, though the production now staged there is not necessarily the Christensen version. Christensen is often credited with helping to rejuvenate American dance.

paragraph_text: Marie Sallé (1707–1756) was a French dancer and choreographer in the 18th century known for her expressive, dramatic performances rather than a series of "leaps and frolics" typical of ballet of her time.

paragraph_text: ``The Storm ''is a short story written by the American writer Kate Chopin in 1898. The story takes place during the 19th century somewhere in the South, where storms are frequent and dangerous. It did not appear in print in Chopin's lifetime, but it was published in The Complete Works of Kate Chopin in 1969. This story is the sequel to Chopin's`` At the 'Cadian Ball''.

paragraph_text: Marius Ivanovich Petipa (Russian: Ма́риус Ива́нович Петипа́), born Victor Marius Alphonse Petipa (11 March 1818 -- 14 July (O.S. 1 July) 1910) was a French and Russian ballet dancer, pedagogue and choreographer. Petipa is considered to be the most influential ballet master and choreographer in ballet history.

paragraph_text: Altin Kaftira (born 1972 in Albania) is a former danseur with the Dutch National Ballet in Amsterdam, Netherlands. He danced with the Ballet from 1995 on, and from 2000 to 2007 was the Ballet's principal dancer (working with choreographers such as Hans van Manen, Rudi van Dantzig, Jerome Robbins, Alexei Ratmansky, Christopher Wheeldon and Ted Brandsen), and has danced in almost a dozen George Balanchine ballets. In 2007, he left to pursue a career as a filmmaker. One of his first film assignments was the production and direction of the 75th anniversary gala for Hans van Manen.

paragraph_text: Robert Weiss is an American ballet dancer, choreographer, and Artistic Director of Carolina Ballet. He began his professional career at age 17 joining the New York City Ballet under George Balanchine, eventually becoming a Principal Dancer. Balanchine created several roles for him, including Ballo della Regina. Weiss remained with the New York City Ballet for 16 years. He later served as Artistic Director of the Pennsylvania Ballet from 1982 to 1990. Weiss then became the founding Artistic Director of Carolina Ballet in 1997 where he has remained to this day.

paragraph_text: Chopin's music was used in the 1909 ballet Chopiniana, choreographed by Michel Fokine and orchestrated by Alexander Glazunov. Sergei Diaghilev commissioned additional orchestrations—from Stravinsky, Anatoly Lyadov, Sergei Taneyev and Nikolai Tcherepnin—for later productions, which used the title Les Sylphides.

paragraph_text: The Firebird (; ) is a ballet and orchestral concert work by the Russian composer Igor Stravinsky. It was written for the 1910 Paris season of Sergei Diaghilev's Ballets Russes company; the original choreography was by Michel Fokine, with a scenario by Alexandre Benois and Fokine based on the Russian fairy tales of the Firebird and the blessing and curse it possesses for its owner. When first performed at the Opéra de Paris on 25 June 1910, the work was an instant success with both audience and critics.

paragraph_text: Hugh Laing (6 June 191110 May 1988) was one of the most significant dramatic ballet dancers of the 20th-century. He danced with Marie Rambert's Ballet Club and New York City Ballet. He was the partner of choreographer Antony Tudor.

paragraph_text: Charlotte d'Amboise was born in New York City, the daughter of Jacques d'Amboise, a ballet dancer, choreographer, and actor, and Carolyn George, a ballet dancer and photographer. She is the twin sister of dancer and actress Cate d'Amboise and younger sister of danseur and choreographer Christopher d'Amboise.

paragraph_text: Violette Verdy (born Nelly Armande Guillerm; 1 December 1933 – 8 February 2016) was a French ballerina, choreographer, teacher, and writer who worked as a dance company director with the Paris Opera Ballet in France and the Boston Ballet in the United States. From 1958 to 1977 she was a principal dancer with the New York City Ballet where she performed in the world premieres of several works created specifically for her by choreographers George Balanchine and Jerome Robbins. She was Distinguished Professor of Music (Ballet) at the Jacobs School of Music, Indiana University, in Bloomington, and the recipient of two medals from the French government.

paragraph_text: Norbert Vesak (October 22, 1936 – October 2, 1990), one of Canada's leading choreographers in the 1970s, was a ballet dancer, choreographer, theatrical director, master teacher, dance columnist, lecturer, and opera ballet director, known for his unique, flamboyant style and his multimedia approach to classical and contemporary choreography. He is credited with helping to bring modern dance to Western Canada.

paragraph_text: José de Udaeta (1919 in Barcelona, Spain – 2009 in Barcelona) was a Spanish dancer, castanet player and choreographer. His first performances in classical and modern ballet were made under a pseudonym, being the root for his development as a dancer, choreographer, teacher and castanet virtuoso and author for more than 50 years.

paragraph_text: New Georgian Ballet (; ) is a non-repertory theatre of modern dance, founded by Georgian choreographer Tamaz Vashakidze in Tbilisi, Georgia, in 1993.

paragraph_text: Josefina Lavalle (born Mexico City, January 29, 1924 – died Mexico City, May 25, 2009) was a Mexican ballet dancer, choreographer and ballet director. She established together with Guillermina Bravo the national ballet company in Mexico City in 1948

paragraph_text: Lithuanian National Opera and Ballet Theatre (LNOBT) () is an opera house and ballet theatre in Vilnius, Lithuania. It was built in 1974. Apart from standard Western and Russian repertory works, the opera also performs national operas. Vytautas Klova's opera "Pilėnai" (1956), has since 2001 been performed outdoors during the summer at Trakai Island Castle. Bronius Kutavičius' opera "Lokys" (2000), after Prosper Mérimée's short story "Lokis the bear", was commissioned by the Vilnius Festival. The ballet has performed several productions by Russian choreographer Boris Eifman, among them "Red Giselle".

paragraph_text: Alexander Plisetski () (20 October 1931 — 29 October 1985) was a Russian ballet master and choreographer and a younger brother of the famous Russian ballerina Maya Plisetskaya.

Question: What language was used by the choreographer of a ballet which included Chopin's work?
Answer: Russian