"For you the war is over." The explanation reads: "The usual greeting on arrival in Germany was: "For you the war is over." As this was apparently the only appropriate English phrase that the Germans knew, it consequently became one of the standing jokes of the Prisoner-of-War camps."

 

This illustration is taken from "Handle With Care" by R. Anderson and D. Westmacott, a book of sketches made by Prisoners of War.