input: Hoffman was arrested and tried for conspiracy and inciting to riot as a result of his role in anti-Vietnam War protests, which were met by a violent police response during the 1968 Democratic National Convention in Chicago. He was among the group that came to be known as the Chicago Seven (originally known as the Chicago Eight), which included fellow Yippie Jerry Rubin, David Dellinger, Rennie Davis, John Froines, Lee Weiner, future California state senator Tom Hayden and Black Panther Party co-founder Bobby Seale (before his trial was severed from the others). Presided over by Judge Julius Hoffman (no relation to Hoffman, about which he joked throughout the trial), Abbie Hoffman's courtroom antics frequently grabbed the headlines; one day, defendants Hoffman and Rubin appeared in court dressed in judicial robes, while on another day, Hoffman was sworn in as a witness with his hand giving the finger. Judge Hoffman became the favorite courtroom target of the Chicago Seven defendants, who frequently would insult the judge to his face. Abbie Hoffman told Judge Hoffman "you are a 'shande fur de Goyim' [disgrace in front of the gentiles]. You would have served Hitler better." He later added that "your idea of justice is the only obscenity in the room." Both Davis and Rubin told the Judge "this court is bullshit." When Hoffman was asked in what state he resided, he replied the "state of mind of my brothers and sisters". Other celebrities were called as "cultural witnesses" including Allen Ginsberg, Phil Ochs, Arlo Guthrie, Norman Mailer and others. Hoffman closed the trial with a speech in which he quoted Abraham Lincoln, making the claim that the president himself, if alive today, would also be arrested in Chicago's Lincoln Park. On February 18, 1970, Hoffman and four of the other defendants (Rubin, Dellinger, Davis, and Hayden) were found guilty of intent to incite a riot while crossing state lines. All seven defendants were found not guilty of conspiracy. At sentencing, Hoffman suggested the judge try LSD and offered to set him up with "a dealer he knew in Florida" (the judge was known to be headed to Florida for a post-trial vacation). Each of the five was sentenced to five years in prison and a $5,000 fine. However, all convictions were subsequently overturned by the Seventh Circuit Court of Appeals. The Walker Commission later found that in fact it had been a "police riot".

Answer this question "Where any others being tried with him?"
output: He was among the group that came to be known as the Chicago Seven (originally known as the Chicago Eight), which included fellow Yippie Jerry Rubin, David Dellinger, Rennie Davis,

Question: Bill "Bojangles" Robinson (May 25, 1878 - November 25, 1949) was an American tap dancer and actor, the best known and most highly paid African-American entertainer in the first half of the twentieth century. His long career mirrored changes in American entertainment tastes and technology. He started in the age of minstrel shows and moved to vaudeville, Broadway, the recording industry, Hollywood, radio, and television.

On March 30, 1900, Robinson entered a buck-and-wing dance contest at the Bijou Theater in Brooklyn, New York, winning a gold medal and defeating Harry Swinton, star of the show In Old Kentucky and considered the best dancer of his day. The resulting publicity helped Robinson to get work in numerous traveling shows, sometimes in a troupe, more frequently with a partner, though not always as a dancer (Robinson also sang and performed two-man comedy routines). By 1912, Robinson was a full partner in the duo, which had become primarily a tap dancing act, booked on both the Keith and Orpheum Circuits. The team broke up in 1914, and vaudeville performer Rae Samuels, who had performed in shows with Robinson, convinced him to meet with her manager (and husband), Marty Forkins. Under Forkins' tutelage, Robinson matured and began working as a solo act, increasing his earnings to an estimated $3,500 per week. Forkins accomplished this by inventing an alternate history for Robinson, promoting him as already being a solo act. This technique succeeded, making Robinson one of the first performers to break vaudeville's two colored rule, which forbade solo black acts. When the U.S. entered World War I, the War Department set up a series of Liberty Theaters in the training camps. The Keith and Orpheum Circuits underwrote vaudeville acts at reduced fees, but Robinson volunteered to perform gratis for thousands of troops, in both black and white units of the Expeditionary Forces, receiving a commendation from the War Department in 1918. Throughout the early 1920s, Robinson continued his career on the road as a solo vaudeville act, touring throughout the country and most frequently visiting Chicago, where Marty Forkins, his manager, lived. From 1919-1923 he was fully booked on the Orpheum Circuit, and was signed full-time by the Keith in 1924 and 1925. In addition to being booked for 50-52 weeks (an avid baseball fan, he took a week off for the World Series), Robinson did multiple shows per night, frequently on two different stages.

Using a quote from the above article, answer the following question: Where did he perform for the troops?
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Answer:
Liberty Theaters in the training camps.