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: Cossack Hetmanate | Statement: [Treaty of Pereyaslav, relatedTo, Cossack Hetmanate]

Target entity: Cossack Hetmanate
Context triple: [Treaty of Pereyaslav, relatedTo, Cossack Hetmanate]

• A. Cossack Hetmanate chosen
  The Cossack Hetmanate was an early modern Cossack-led state in central and eastern Ukraine that emerged in the mid-17th century and played a key role in regional politics between the Polish–Lithuanian Commonwealth, the Russian Tsardom, and the Ottoman sphere.
• B. Kiev Viceroyalty
  The Kiev Viceroyalty was an administrative division of the Russian Empire in the late 18th century, centered on Kiev and serving as a key regional governance unit before being reorganized into the Kiev Governorate.
• C. Grand Duchy of Ruthenia
  The Grand Duchy of Ruthenia was a proposed 17th-century political entity within the Polish–Lithuanian Commonwealth intended to grant broad autonomy and equal status to the Ruthenian (Ukrainian and Belarusian) lands alongside Poland and Lithuania.
• D. Hetmanate of Pavlo Skoropadsky
  The Hetmanate of Pavlo Skoropadsky was a short-lived conservative Ukrainian state established in 1918 under Hetman Pavlo Skoropadsky, backed by the Central Powers and characterized by an authoritarian regime that replaced the socialist-oriented Central Rada.
• E. Cossack host oblast
  A Cossack host oblast was an administrative-territorial unit of the Russian Empire and early Soviet state that served as the homeland and military-organizational base for a specific Cossack host.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.