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In China , for most of the universities and colleges , and most of the high schools , the grading system is divided into five categories : ( some colleges may group the last two grades D and F into one grade called " Bottom " , 0-64 % , " 下 " ) Besides the grading system and the 100 percentage based marks , there is another form of assessment based on which one course is marked simply as " Qualified/Failed " ( “ 合格 / 不合格 ” ) .
 China
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 China