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Marines interviewed on Tuesday said they didn ' t see the shooting as a scandal , rather the act of a comrade who faced intense pressure during the effort to quell the insurgency in the city .
 comrade: attacker; city: 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: attack 
  Option: victim, attacker, place, target, instrument 
Text: {0} 
Answer:
 comrade: attacker; city: place