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[ 2 ] Every year , several students are awarded National Scholarships , which are essentially highly selective merit-based grants earned by students who have attained the highest grades in the Advanced Level Examinations taken by students upon the completion of a seven year secondary education curriculum .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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