Triple

Target entity: Ukrainian State (Hetmanate)
Context triple: [Ukrainian War of Independence, participant, Ukrainian State (Hetmanate)]

• A. Cossack Hetmanate
  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. Ukrainian People’s Republic chosen
  The Ukrainian People’s Republic was a short-lived independent Ukrainian state that emerged after the Russian Empire’s collapse during World War I and became a key actor in the region’s wars and diplomatic struggles before being absorbed into the Soviet Union.
• C. West Ukrainian People’s Republic
  The West Ukrainian People’s Republic was a short-lived Ukrainian state proclaimed in late 1918 in Eastern Galicia following the collapse of the Austro-Hungarian Empire, seeking independence amid the turmoil of World War I and subsequent regional conflicts.
• D. 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.
• E. Principality of Putyvl
  The Principality of Putyvl was a medieval East Slavic principality centered on the town of Putyvl, historically part of the Kievan Rus' and later associated with the Chernigov lands.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.