When looking for the answer to a question, it is important to consider if the true task is to look for another question.
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An officer in the army was sent to the desert to lead troops during the war. 

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When leaving his tent for a battle, he did not know that instead of picking up his clear desert goggles, he had picked up his tinted yellow goggles. 
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On the way to the battle he received a report that enemy soldiers wearing yellow uniforms would be in the area. 
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When he arrived at the battle front, he excitedly jumped up and gave an order to fire in all directions, as the enemy could be seen everywhere.
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His General quickly cancelled the order and walked up to him and told him to stand at attention.
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The officer obeyed, but also asked the general : Sir! Why is the enemy in all directions?!
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The general pulled the yellow tinted glasses from the officers eyes and handed them to him. 
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The better question to ask, Captain, is why you see the enemy in all directions.