The sergeant snorted contemptuously: "Giggs, it amazes me why they had ever taken you into the Army. You've got no capability for military matters whatever! Why, I guess -you can't tell which of the two objects there on the field is a cow and which is a tank?"
"Yes, I can, sergeant," declared the warrior proudly, "One is a cow and the other is a tank." Then he hesitated awhile. "Or may be it's the other way round."