Cheating

Cheating Cheating Cheating .. 
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If a BARBER makes a mistake, its a new
hair style..!! 
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If a POLITICIAN makes a mistake, its a new
law..!!
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If a SCIENTIST makes a mistake, its a new invention..!!
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If a TAILOR makes a mistake, its a new
fashion..!!
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If a TEACHER makes a mistake, its a new
theory..!!
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and
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If a STUDENT makes a mistake, its a "MISTAKE"