Karl Kautsky

Target entity: Karl Kautsky
Context triple: [Second International, keyFigure, Karl Kautsky]

• A. Friedrich Engel
  Friedrich Engel was a German mathematician best known for his collaboration with Sophus Lie in developing the theory of continuous transformation groups and co-authoring the multi-volume "Theorie der Transformationsgruppen."
• B. Georgi Plekhanov
  Georgi Plekhanov was a Russian revolutionary and Marxist theorist often regarded as the “father of Russian Marxism” and an important intellectual precursor to Bolshevism.
• C. Karl Radek
  Karl Radek was a prominent Bolshevik revolutionary, Soviet politician, and journalist who became a victim of Stalin’s Great Purge and was tried in the infamous Moscow show trials.
• D. Rosa Luxemburg
  Rosa Luxemburg was a Marxist theorist, revolutionary socialist, and co-founder of the Spartacist League whose critiques of authoritarianism and advocacy of democratic, grassroots socialism deeply shaped libertarian socialist thought.
• E. Georges Sorel
  Georges Sorel was a French philosopher and social theorist best known for his reflections on violence, revolutionary syndicalism, and the myth of the general strike, which deeply influenced various radical political movements in the early 20th century.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Karl Kautsky
Target entity description: Karl Kautsky was a prominent Marxist theorist and leading socialist intellectual of the late 19th and early 20th centuries, influential in shaping orthodox Marxism and the politics of European social democracy.

• A. Friedrich Engel
  Friedrich Engel was a German mathematician best known for his collaboration with Sophus Lie in developing the theory of continuous transformation groups and co-authoring the multi-volume "Theorie der Transformationsgruppen."
• B. Georgi Plekhanov
  Georgi Plekhanov was a Russian revolutionary and Marxist theorist often regarded as the “father of Russian Marxism” and an important intellectual precursor to Bolshevism.
• C. Karl Radek
  Karl Radek was a prominent Bolshevik revolutionary, Soviet politician, and journalist who became a victim of Stalin’s Great Purge and was tried in the infamous Moscow show trials.
• D. Rosa Luxemburg
  Rosa Luxemburg was a Marxist theorist, revolutionary socialist, and co-founder of the Spartacist League whose critiques of authoritarianism and advocacy of democratic, grassroots socialism deeply shaped libertarian socialist thought.
• E. Georges Sorel
  Georges Sorel was a French philosopher and social theorist best known for his reflections on violence, revolutionary syndicalism, and the myth of the general strike, which deeply influenced various radical political movements in the early 20th century.
• F. None of above. chosen