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Thousands of uniformed police officers , some with shields , stood around the protesters to guard against possible violence , but there was no report of clashes .
 person: Thousands of uniformed police officers , some with shields; person: some; person: the protesters
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
 Entities: Thousands of uniformed police officers , some with shields, some, the protesters 
Answer:
 person: Thousands of uniformed police officers , some with shields; person: some; person: the protesters