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In the Egyptian capital , 10 demonstrators and at least four policeman were injured in clashes after several thousand demonstrators took to the streets near the US and British embassies .
 demonstrators: victim; policeman: victim; capital: place
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: injure 
  Option: agent, victim, instrument, place 
Text: {0} 
Answer:
 demonstrators: victim; policeman: victim; capital: place