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: Regnum Russiae | Statement: [Kingdom of Galicia–Volhynia, alternativeName, Regnum Russiae]

Target entity: Regnum Russiae
Context triple: [Kingdom of Galicia–Volhynia, alternativeName, Regnum Russiae]

• A. 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.
• B. 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.
• C. 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.
• D. 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.
• E. Grand Duchy of Vladimir
  The Grand Duchy of Vladimir was a medieval East Slavic principality that emerged as a major political and cultural center in northeastern Rus, serving as a key predecessor to the 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.