Triple

Target entity: Battle of Messines (1917)
Context triple: [I ANZAC Corps, notableEngagement, Battle of Messines (1917)]

• A. Battle of Messines (1917) chosen
  The Battle of Messines (1917) was a major First World War offensive by British-led forces near Ypres, notable for the massive detonation of mines beneath German lines that devastated enemy positions and paved the way for the subsequent Passchendaele campaign.
• B. Battle of Messines (1918)
  The Battle of Messines (1918) was a World War I engagement on the Western Front, fought during the German spring offensives in Flanders as part of the larger Battle of the Lys.
• C. Battle of Bullecourt (1917)
  The Battle of Bullecourt (1917) was a costly First World War engagement on the Western Front in which British and Australian forces attacked heavily fortified sections of the Hindenburg Line near the village of Bullecourt in France.
• D. Battle of Menin Road Ridge
  The Battle of Menin Road Ridge was a major British-led offensive during the Third Battle of Ypres in World War I, notable for its use of bite-and-hold tactics to capture German positions east of Ypres in September 1917.
• E. Battle of Polygon Wood
  The Battle of Polygon Wood was a World War I engagement in 1917 in the Ypres Salient, where Australian and British forces advanced against German positions as part of the larger Third Battle of Ypres.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.