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 territorial divisions | Statement: [Oster Uyezd, followed, Cossack Hetmanate territorial divisions]

Target entity: Cossack Hetmanate territorial divisions
Context triple: [Oster Uyezd, followed, Cossack Hetmanate territorial divisions]

• 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. 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.
• C. Governing Council of the Hetman Office
  The Governing Council of the Hetman Office was a collegial administrative body that governed the Cossack Hetmanate in Left-Bank Ukraine after the era of individual hetman rule.
• D. Cossack Hetmanate forces
  Cossack Hetmanate forces were the military units of the semi-autonomous Cossack state in 17th-century Ukraine, renowned for their mobile cavalry, skilled infantry, and pivotal role in uprisings against the Polish–Lithuanian Commonwealth.
• E. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.