Once upon a time a Pappu was exercising in the park. He saw two person were working. One was digging the ground and the other was filling up the hole.
Pappu was very confused by watching this, he went to the men & asked,
'What are you doing?'
One of them replied, 'We have a team of three pepole, one of us digs the ground, the other pushes plants into the hole and third one fills-up the hole. The guy who fixes the plants is abesnt.. but why should we stop our work??