Once upon a time there was a little town. A child told his father "How did wolves get sharp teeth?"
    So his father told him" Well son one day there was a stupid wolf looking for food and fell for any trick. But he was so mad and saw someone walking close to him.  It was a boy with bread. It had a rock in it but the wolf didn't  know it had a rock in it.  And that's how wolf got sharp teeth.