What was the longest battle of World War I?
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The Battle of Verdun was part of World War I.
The Battle of Verdun was part of World War I .
What was the longest battle of World War I?</s>The [unused1]Battle of Verdun                [unused2] was part of World War I.
What was the longest battle of World War I?</s>The Battle of Verdun was part of World War I.
What was the longest battle of World War I?</s>The [unused1]Battle of Verdun                [unused2] was part of World War I .
What was the longest battle of World War I?</s>The Battle of Verdun was part of World War I .
What was the longest battle of World War I?</s>World War I,0,World War I,World War I,0,[unused1]Battle of Verdun[unused2],[unused1]Battle of Verdun[unused2],part of,World War I,[unused1]Battle of Verdun[unused2],0,[unused1]Battle of Verdun[unused2]
What was the longest battle of World War I?</s>World War I,0,World War I,World War I,0,Battle of Verdun,Battle of Verdun,part of,World War I,Battle of Verdun,0,Battle of Verdun