Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: Bolshevik tribunal | Statement: [Roman von Ungern-Sternberg, triedBy, Bolshevik tribunal]

Target entity: Bolshevik tribunal
Context triple: [Roman von Ungern-Sternberg, triedBy, Bolshevik tribunal]

• A. Moscow Trials
  The Moscow Trials were a series of highly publicized show trials in the late 1930s Soviet Union, where many Old Bolsheviks and other alleged opponents of Joseph Stalin were forced to confess to fabricated crimes and subsequently executed or imprisoned.
• B. Cheka tribunals chosen
  Cheka tribunals were revolutionary courts of Soviet Russia’s secret police that conducted rapid, often extrajudicial proceedings against perceived enemies of the Bolshevik regime.
• C. The Red Book on the Moscow Trials
  The Red Book on the Moscow Trials is a critical exposé by Trotskyist activist Lev Sedov that denounces the Stalinist show trials of the 1930s as fabricated and politically motivated.
• D. Law of the Great Terror
  The Law of the Great Terror was a radical decree passed during the French Revolution that drastically expanded the powers of the Revolutionary Tribunal, curtailed defendants’ rights, and accelerated mass executions at the height of the Reign of Terror.
• E. Leningrad Affair
  The Leningrad Affair was a late-1940s Soviet political purge in which Stalin orchestrated the arrest and execution of prominent Leningrad Party and government officials to eliminate perceived regional rivals and consolidate his power.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.