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The group originated in October 2009 when a group of bloggers organised demonstrations using word of mouth , Twitter and Facebook , culminating in No Berlusconi day on 5 December 2009 .
 person: Berlusconi
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: Berlusconi 
Answer:
 person: Berlusconi