First Battle of Ypres

Target entity: First Battle of Ypres
Context triple: [Western Front (World War I), notableBattle, First Battle of Ypres]

• A. Battle of Mons
  The Battle of Mons was a First World War engagement in August 1914 where the British Expeditionary Force first clashed with the German army in Belgium, marking the start of Britain's major ground fighting on the Western Front.
• B. Second Battle of Ypres
  The Second Battle of Ypres was a major First World War engagement in 1915, notorious as the site of the first large-scale use of poison gas on the Western Front and heavy fighting involving Allied forces including Canadian troops.
• C. First Battle of the Aisne
  The First Battle of the Aisne was a World War I engagement in September 1914 in northern France, where Allied forces pursued retreating German armies and the fighting solidified into the trench warfare that would characterize much of the Western Front.
• D. First Battle of the Marne
  The First Battle of the Marne was a pivotal 1914 World War I clash in France that halted the German advance toward Paris and ended hopes for a quick German victory on the Western Front.
• E. Battle of Cambrai
  The Battle of Cambrai was a major First World War engagement in 1917 notable for the first large-scale, effective use of tanks by the British Army against German defenses on the Western Front.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: First Battle of Ypres
Target entity description: The First Battle of Ypres was a major 1914 World War I clash in Belgium in which Allied and German forces fought to a bloody stalemate, marking the end of the war’s mobile phase and the onset of entrenched trench warfare.

• A. Battle of Mons
  The Battle of Mons was a First World War engagement in August 1914 where the British Expeditionary Force first clashed with the German army in Belgium, marking the start of Britain's major ground fighting on the Western Front.
• B. Second Battle of Ypres
  The Second Battle of Ypres was a major First World War engagement in 1915, notorious as the site of the first large-scale use of poison gas on the Western Front and heavy fighting involving Allied forces including Canadian troops.
• C. First Battle of the Aisne
  The First Battle of the Aisne was a World War I engagement in September 1914 in northern France, where Allied forces pursued retreating German armies and the fighting solidified into the trench warfare that would characterize much of the Western Front.
• D. First Battle of the Marne
  The First Battle of the Marne was a pivotal 1914 World War I clash in France that halted the German advance toward Paris and ended hopes for a quick German victory on the Western Front.
• E. Battle of Cambrai
  The Battle of Cambrai was a major First World War engagement in 1917 notable for the first large-scale, effective use of tanks by the British Army against German defenses on the Western Front.
• F. None of above. chosen