Second Battle of the Somme
{'<entity_0>': 'Second Battle of the Somme', '<entity_1>': 'Western Front of World War I', '<entity_2>': 'River Somme', '<entity_3>': '21 August 1918', '<entity_4>': 'battle', '<entity_5>': '1918'}
[['Second Battle of the Somme', 'start time', '21 August 1918'], ['Second Battle of the Somme', 'instance of', 'battle'], ['Second Battle of the Somme', 'point in time', '1918'], ['Second Battle of the Somme', 'part of', 'Western Front of World War I'], ['Second Battle of the Somme', 'location', 'River Somme']]
The <entity_0> of <entity_5> was fought during the First World War on the <entity_1> from late August to early September, in the basin of the <entity_2>. The second <entity_4> began on <entity_3> with the opening of the Second Battle of Bapaume to the north of the river itself. This second <entity_5> <entity_4> around the Somme was part of a strategy designed to push parts of the German line back behind this main supply line, cutting it and making impossible the efficient maintenance of the German forces on the front.
['battle']