Triple

Target entity: Ukrainian War of Independence
Context triple: [Symon Petliura, participantIn, Ukrainian War of Independence]

• A. Ukrainian War of Independence chosen
  The Ukrainian War of Independence was a complex series of military and political struggles (1917–1921) in which various Ukrainian, Bolshevik, White, Polish, and anarchist forces, including those led by Nestor Makhno, fought over the future and sovereignty of Ukraine following the collapse of the Russian Empire.
• B. Crimean campaign of 1920
  The Crimean campaign of 1920 was a late-stage Russian Civil War operation in which Bolshevik forces fought to seize control of the Crimean Peninsula from White Army troops before the final Red offensive at Perekop and Chongar.
• C. Polish–Ukrainian War
  The Polish–Ukrainian War was a 1918–1919 armed conflict between the newly re-emerging Polish state and Ukrainian forces over control of Eastern Galicia and its capital, Lviv, in the chaotic aftermath of World War I.
• D. 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.
• E. Greater Poland Uprising of 1918–1919
  The Greater Poland Uprising of 1918–1919 was a successful Polish insurrection against German rule that led to the reintegration of much of the Greater Poland region into the newly re-established Polish state after World War I.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.