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He is a Fellow of the Royal Society since 2001 and been president of the European Association for Theoretical Computer Science ( EATCS ) .
 organization: Fellow of the Royal Society; organization: European Association for Theoretical Computer Science; organization: EATCS
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Fellow of the Royal Society; organization: European Association for Theoretical Computer Science; organization: EATCS