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He has made several appearances in documentary films also , such as the 2008 film " Examined Life " , a documentary featuring several academics discussing philosophy in real-world contexts .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None