Complex sentence: But it was considered just a ruse to retrieve arms and ammunition off the dead and to bring forward reinforcements, so the Turks were warned to return to their trenches as the New Zealanders were going to open fire again.
Split into simpler sentences: But it was considered just a ruse, to retrieve arms and ammunition off the dead and to bring forward reinforcements. So the Turks were warned to return to their trenches as the New Zealanders were going to open fire again.