Triple

Target entity: Fourth International (Trotskyist movement)
Context triple: [The Red Book on the Moscow Trials, associatedWith, Fourth International (Trotskyist movement)]

• A. Fourth International chosen
  The Fourth International is a global association of Trotskyist organizations founded in 1938 to continue revolutionary socialist and internationalist traditions in opposition to both capitalism and Stalinism.
• B. International Committee of the Fourth International
  The International Committee of the Fourth International is a Trotskyist organization that emerged from a major split in the Fourth International and claims to uphold orthodox Trotskyist principles against what it views as revisionist tendencies.
• C. Comintern
  The Comintern, or Communist International, was a Moscow-based organization founded in 1919 to coordinate and promote worldwide communist revolution and influence during the early 20th century.
• D. U.S. section of the Fourth International
  The U.S. section of the Fourth International was the American Trotskyist organization that served as the main vehicle for promoting Leon Trotsky’s revolutionary socialist program in the United States.
• E. Executive Committee of the Communist International
  The Executive Committee of the Communist International was the central governing body of the Comintern, directing its global communist parties and enforcing its policies and ideological line.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.