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 succession crisis of the 1730s–1740s | Statement: [Regency of Anna Leopoldovna, partOf, Russian succession crisis of the 1730s–1740s]

Target entity: Russian succession crisis of the 1730s–1740s
Context triple: [Regency of Anna Leopoldovna, partOf, Russian succession crisis of the 1730s–1740s]

• A. regency of Sophia Alekseyevna
  The regency of Sophia Alekseyevna was the period (1682–1689) in Russian history when Princess Sophia effectively ruled the Tsardom of Russia as regent for her younger half-brothers Peter I and Ivan V, marked by intense court intrigue and early reforms.
• B. Habsburg succession crisis
  The Habsburg succession crisis was a dynastic conflict over who would inherit the Habsburg thrones, contributing to political instability and power struggles within the Austrian and broader European monarchies.
• C. Regency of Anna Leopoldovna chosen
  The Regency of Anna Leopoldovna was the short-lived government in Russia (1740–1741) during the minority of Emperor Ivan VI, which ended when Elizabeth of Russia seized power in a palace coup.
• D. Gustav III’s Russian War
  Gustav III’s Russian War was a late 18th-century conflict in which Sweden, under King Gustav III, unsuccessfully attempted to regain territories from the Russian Empire.
• E. Muscovite Civil War
  The Muscovite Civil War was a prolonged 15th-century dynastic struggle for control of the Grand Duchy of Moscow that shaped the centralization of Russian power.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.