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: Russian imperial throne | Statement: [Tsarevich of Russia, heirTo, Russian imperial throne]

Target entity: Russian imperial throne
Context triple: [Tsarevich of Russia, heirTo, Russian imperial throne]

• A. Imperial Court of Russia
  The Imperial Court of Russia was the opulent royal household and administrative center surrounding the Russian tsars, serving as the political, cultural, and ceremonial heart of the Russian Empire until the 1917 revolution.
• B. Imperial throne of the Holy Roman Empire
  The Imperial throne of the Holy Roman Empire was the supreme monarchical seat of authority in Central Europe, occupied by emperors who claimed universal Christian rulership and presided over a complex federation of kingdoms, duchies, and principalities.
• C. Imperial Crown of Russia
  The Imperial Crown of Russia was the lavish, jewel-encrusted coronation crown of the Russian tsars, symbolizing the autocratic power and sovereignty of the Russian Empire.
• D. Grand Duke of Russia
  The Grand Duke of Russia was a high-ranking male member of the Russian imperial family, typically a son or grandson of a reigning tsar, who held significant prestige and influence within the Romanov dynasty.
• E. Imperial regalia of Russia
  The Imperial regalia of Russia are the historic crowns, scepters, orbs, and other ceremonial objects that symbolized the authority and sovereignty of the Russian emperors and empresses.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Russian imperial throne
Target entity description: The Russian imperial throne was the hereditary seat of supreme autocratic power held by the tsars who ruled the Russian Empire until its collapse in 1917.

• A. Imperial Court of Russia
  The Imperial Court of Russia was the opulent royal household and administrative center surrounding the Russian tsars, serving as the political, cultural, and ceremonial heart of the Russian Empire until the 1917 revolution.
• B. Imperial throne of the Holy Roman Empire
  The Imperial throne of the Holy Roman Empire was the supreme monarchical seat of authority in Central Europe, occupied by emperors who claimed universal Christian rulership and presided over a complex federation of kingdoms, duchies, and principalities.
• C. Imperial Crown of Russia
  The Imperial Crown of Russia was the lavish, jewel-encrusted coronation crown of the Russian tsars, symbolizing the autocratic power and sovereignty of the Russian Empire.
• D. Grand Duke of Russia
  The Grand Duke of Russia was a high-ranking male member of the Russian imperial family, typically a son or grandson of a reigning tsar, who held significant prestige and influence within the Romanov dynasty.
• E. Imperial regalia of Russia
  The Imperial regalia of Russia are the historic crowns, scepters, orbs, and other ceremonial objects that symbolized the authority and sovereignty of the Russian emperors and empresses.
• F. None of above. chosen