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For over 25 years , he taught a unique course for adults called " Applied Creativity " , which focused less on creativity as expressed in the arts ( as it is often understood ) , and more on helping people be more creative in all aspects of their lives , developing creative problem-solving skills and innovative approaches to challenges they faced individually , or that faced their community .
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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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