There were 4 Ah Bengs. They decided to start a business. They decided to start an auto garage. They bought the best of car servicing equipment and manpower. The 4 Ah Bengs waited that day for cars to arrive but no car entered their garage. They waited for 1 day, 2 days, a week but no car came to their garage. WHY?
Because their garage was on the second floor.
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After this failure they decided to try good old taxi driving. They bought a new London Cab and began to look for passengers. They drove past Orchard Road but nobody hailed their taxi. They went to Changi Airport yet nobody hailed their taxi. They even drove to Serangoon Road, even there nobody hailed their taxi. In desperation they kept on driving all around Singapore but alas no one hailed their taxi.
WHY?
Because all the four Ah Bengs were sitting in the taxi.
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After the 4 Ah Bengs were very disappointed with their fate and decided to push their taxi into the sea. They started pushing their taxi. They pushed the whole day and were very exhausted but the taxi did not move even an inch. They decided to rest for a while and started to push again. The taxi just wouldn't move. WHY?
Because 2 Ah Bengs were pushing from the front and 2 from behind.