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: Kievan Rus' | Statement: [Vsevolod I of Kiev, politicalEntityRuled, Kievan Rus']

Target entity: Kievan Rus'
Context triple: [Vsevolod I of Kiev, politicalEntityRuled, Kievan Rus']

• A. Kyivan Rus chosen
  Kyivan Rus was a medieval East Slavic state centered in Kyiv that laid the cultural and political foundations for modern Ukraine, Russia, and Belarus.
• B. Kingdom of Rus'
  The Kingdom of Rus' was a medieval East Slavic state centered in the regions of Galicia and Volhynia, playing a key role in the political and cultural life of Eastern Europe in the 13th–14th centuries.
• C. Novgorod Republic
  The Novgorod Republic was a medieval East Slavic trading state centered on the city of Novgorod, known for its powerful merchant elite, extensive Hanseatic trade connections, and distinctive tradition of veche (assembly) governance.
• D. Principality of Kiev
  The Principality of Kiev was a medieval East Slavic state centered on the city of Kiev, which served as a major political, cultural, and religious hub of Kievan Rus' before its decline under Mongol invasion.
• E. Moscow principality
  The Moscow principality, or Muscovy, was a medieval Russian state centered on the city of Moscow that expanded to become the core of the unified Russian state.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: politicalEntityRuled
Context triple: [Vsevolod I of Kiev, politicalEntityRuled, Kievan Rus']

• A. countryRuled chosen
  Indicates that one entity exercises governing authority or political control over a country.
• B. politicalEntityAtTime
  Indicates that a political entity exists or holds a particular political status during a specified time period.
• C. governingEmpire
  Indicates that one entity serves as the ruling imperial power that controls or governs another entity.
• D. historicalRegionGoverned
  Indicates that a subject entity exercised governing authority over a particular historical region during a specified period.
• E. usedAsSeatOfPowerBy
  Indicates that something serves as the primary location or base from which an individual or group exercises authority, control, or governance.
• F. None of above.