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: Imperial Court of Russia | Statement: [Tsar of Russia, governingBody, Imperial Court of Russia]

Target entity: Imperial Court of Russia
Context triple: [Tsar of Russia, governingBody, Imperial Court of Russia]

• A. Imperial Court of Russia chosen
  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. Tsardom of Russia
  The Tsardom of Russia was the centralized Russian state ruled by tsars from the mid-16th to early 18th century, during which it expanded dramatically across Eurasia and laid the foundations for the later Russian Empire.
• C. Grand Duchy of Moscow
  The Grand Duchy of Moscow was a late medieval Russian principality that expanded from a small Muscovite domain into the core of a centralized Russian state, eventually forming the basis of the Tsardom of Russia.
• D. Russian Empire
  The Russian Empire was a vast, autocratic state that existed from 1721 to 1917, spanning Eastern Europe, Northern Asia, and parts of North America, and serving as a major political and military power in world affairs.
• E. Principality of Moscow
  The Principality of Moscow was a medieval East Slavic state centered on the city of Moscow that laid the foundations for the later Grand Duchy of Moscow and the Russian state.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.