S——. Two cakes.
Father. No, not two cakes.
S——. Two biscuits.
Father. Holding up a whole biscuit: What is this?
S——. A thing to eat.
Father. Yes, but what would you call it?
S——. A biscuit.
His Father broke it into halves, and showed one half.
Father. What would you call this?
S——. was silent, and his sister was applied to, who answered, "Half a biscuit."