Answer:
4..........................
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In a spell of badly dry weather, thirsty crows flew around in the sky, looking for water. They barely could find anything to drink. A thristy crow found a pitcher with little water in it. But, the pitcher was high with its neck being narrow; on the other hand, the crow's beak and neck were too short.
The crow thought over and saw the pebbles. Then an idea came to the crow. He picked up a small pebble and dropped it into the pitcher one by one. With the pebbles in the pitcher, the water rose a little higher above the pebbles until at last it was close to the top of the pitcher enough that the crow could drink.
Morals
"In a pinch a good use of our wits may help us out." -- The Aesop for Children
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