Complex sentence: The remaining four tanks assisted the 143rd Brigade in the capture of Keerselare, Vancouver Farm and Springfield Farm, which was re-taken by the Germans soon after; two tanks helped troops of the 33rd Brigade, 11th Division capture Bülow Farm.
Split into simpler sentences: The remaining four tanks assisted the 143rd Brigade in the capture of Keerselare, Vancouver farm and Springfield Farm, which was re-taken by the Germans soon after. Two tanks helped troops of the 33rd Brigade, 11th Division capture Bülow Farm.