Once upon a time -- just a few months ago, in fact -- a farmer's trusty old sheepdog passed away. Not able to herd his sheep, and unable to afford a new one, the farmer was at a loss. Until one day, while visiting a wildlife park, he noticed that one of the keepers had hung a poster of a wolf in the sheep pen as a joke. Curiously, the sheep tended to avoid that poster. So the farmer had a brilliant idea. He carried a large poster of a snarling wolf to his flock, and lo and behold, the sheep began to move out of instinctual fear. So now, when the farmer needs to herd his sheep, he follows behind them with a large wolf poster, to his neighbors' delight and amusement.
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