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It 's been a week since hackers launched a ransomware attack against the city of Atlanta , and local officials are still grappling with its effects .
 a week: time; Atlanta: place; the city: victim; hackers: attacker
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: ransom 
  Option: victim, attacker, payment method, attack pattern, damage amount, tool, time, price, place 
Text: {0} 
Answer:
 a week: time; Atlanta: place; the city: victim; hackers: attacker