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Origin The website was started by Berkeley graduate students and postdocs Anton Geraschenko , David Zureick-Brown , and Scott Morrison on 28 September 2009 .
 organization: Berkeley
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: Berkeley 
Answer:
 organization: Berkeley