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In general , technical presentations serve one of two purposes : ( 1 ) to inform ( e.g. , knowledge transfer , classroom instruction ) or ( 2 ) to persuade ( e.g. , convincing others to adopt a design approach or accept the results of an evaluation process ) .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None