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The historic agreement , brokered by the European Union , followed protests that began in late November 2013 and culminated in a week of violent clashes in which scores of protesters were killed .
 organization: European Union
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: European Union 
Answer:
 organization: European Union