input: In 2006, Sheila formed a female group C.O.E.D. (Chronicles of Every Diva) consisting of Sheila E., Kat Dyson, Rhonda Smith and Cassandra O'Neal. The group released a single "Waters of Life". In March 2007, the group went on a successful tour in Europe and Japan. The group toured overseas in 2008 and released a CD available in limited distribution or through her website. For several concerts she was joined by Candy Dulfer, who was billed as a special guest. She performed at the 2007 Latin Grammy Awards with Juan Luis Guerra. She also performed at the ALMA (American Latin Music Awards) Awards in June 2007 with Prince, and on July 7, 2007 in Minneapolis with Prince. She performed at all three of his concerts: first, at Prince's 3121 perfume launch at Macy's, followed by the Target Center concert, and finally, at an aftershow at First Avenue. In October 2007, Sheila E. was a judge alongside Australian Idol judge and marketing manager Ian "Dicko" Dickson and Goo Goo Dolls lead singer John Rzeznik on the Fox network's The Next Great American Band.  Sheila E. once again teamed up with Prince in March 2008, as she sat in (and played keyboard) on the performance with her family at Harvelle Redondo Beach. On April 9, 2008, Sheila E. appeared on the Emmy winning program, Idol Gives Back. Sheila E. took part in the show opener "Get on Your Feet" with Gloria Estefan. Dance troupe, So You Think You Can Dance finalists joined them on stage. On April 26, 2008, Sheila E., along with Morris Day and Jerome Benton, performed with Prince at the Coachella Music Festival. From May 2 to 6, 2008, Sheila E. played four sold-out shows at Blue Note Tokyo, the most frequented jazz music club in Tokyo, Japan.  On June 14, 2008, Sheila E. performed at the Rhythm on the Vine music and wine festival at the South Coast Winery in Temecula, California for Shriners Hospital for Children. She took the stage with the E Family, Pete Escovedo, Juan Escovedo and Peter Michael Escovedo. Other performers at the event were jazz musician Herbie Hancock, contemporary music artist Jim Brickman and Kirk Whalum.

Answer this question "Did she tour?"
output: On June 14, 2008, Sheila E. performed at the Rhythm on the Vine music and wine festival at the South Coast Winery in Temecula, California for Shriners Hospital for Children.

Problem: Background: Sitting Bull was born on land later included in the Dakota Territory. In 2007, Sitting Bull's great-grandson asserted from family oral tradition that Sitting Bull was born along the Yellowstone River, south of present-day Miles City, Montana. He was named Jumping Badger at birth, and nicknamed Hunkesi, or "Slow," said to describe his careful and unhurried nature. When the boy was fourteen years old he accompanied a group of Lakota warriors (which included his father and his uncle Four Horns) in a raiding party to take horses from a camp of Crow warriors.
Context: From 1866 to 1868, Red Cloud as a leader of the Oglala Lakota fought against US forces, attacking their forts in an effort to keep control of the Powder River Country of Montana. In support of him, Sitting Bull led numerous war parties against Fort Berthold, Fort Stevenson, and Fort Buford and their environs from 1865 through 1868. Sitting Bull also made guerrilla attacks on emigrant parties and smaller forts throughout the upper Missouri River region.  By early 1868, the U.S. government desired a peaceful settlement to Red Cloud's War. It agreed to Red Cloud's demands that the US abandon forts Phil Kearny and C.F. Smith. Gall of the Hunkpapa (among other representatives of the Hunkpapa, Blackfeet, and Yankton Dakota) signed a form of the Treaty of Fort Laramie on July 2, 1868 at Fort Rice (near Bismarck, North Dakota). Sitting Bull did not agree to the treaty. He told the Jesuit missionary, Pierre Jean De Smet, who sought him out on behalf of the government: "I wish all to know that I do not propose to sell any part of my country." He continued his hit-and-run attacks on forts in the upper Missouri area throughout the late 1860s and early 1870s.  The events of 1866-1868 mark a historically debated period of Sitting Bull's life. According to historian Stanley Vestal, who conducted interviews with surviving Hunkpapa in 1930, Sitting Bull was made "Supreme Chief of the whole Sioux Nation" at this time. Later historians and ethnologists have refuted this concept of authority, as the Lakota society was highly decentralized. Lakota bands and their elders made individual decisions, including whether to wage war.
Question: What was the point of this war?
Answer: Red Cloud as a leader of the Oglala Lakota fought against US forces,

Question: Yen was born in Guangzhou, China. His mother, Bow-sim Mark, is a Fu Style Wudangquan (internal martial arts) and Tai Chi grandmaster, while his father, Klyster Yen (Zhen Yun Long ), is a newspaper editor. When he was two years old, his family moved to Hong Kong and then to Boston when he was 11. His younger sister, Chris Yen, is also a martial artist and actress, and appeared in the 2007 film Adventures of Johnny Tao: Rock Around the Dragon.

Donnie Yen was a rebel when he was young due to the huge expectations and pressures from his parents, as his mother is the founder of the Chinese Wushu Research Institute in Boston, and his father was a scholar and a musician. Yen joined a Chinatown gang in Boston, MA, in his early years. He was a very curious teenager who sought to exchange martial arts knowledge with people from different martial arts backgrounds, which led to him gaining profound knowledge in practical martial arts and having a reputation as a street brawler.  One reported occasion confirms Yen as being an efficient martial artist. According to news reports by Hong Kong news channels in the late 1990s, Yen was at a nightclub with his then girlfriend, Joey Meng. Inside the nightclub, Joey was harassed by a troublesome gang that had taken an interest in her. Yen warned them to leave her alone, but they persisted to cause trouble. As Yen and Joey left the club, the gang followed and attacked Yen. Yen beat up eight members of the gang who were later hospitalized.  Malaysian Martial Arts Star Michelle Yeoh has said that Donnie Yen is the fastest guy she has worked with. Other martial arts stars such as Jackie Chan and Jet Li have also stated that Yen may be the best fighter in terms of practical combat in the Asian cinematic universe.  World class fighters, such as former Strikeforce Middleweight Champion Cung Le and former World Boxing Heavyweight Champion Mike Tyson, who have worked with Donnie Yen in the films Bodyguards and Assassins and Ip Man 3, respectively, have both claimed that Donnie Yen is an incredible martial artist and would do well in authentic combat. While filming Ip Man 3, crew members were afraid that Mike Tyson, who had been a professional boxer, would forget the choreography and throw real punches to injure Yen. However, it was ultimately Yen who fractured Tyson's finger while using his elbow to block Tyson's punches.

Using a quote from the above article, answer the following question: What type of fighting style does he have?
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Answer:
exchange martial arts knowledge with people from different martial arts backgrounds,