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As of Saturday , Atlanta officials and federal partners were still “ working around the clock ” to resolve the ransomware attack on city computers that occurred around 5 a.m. on Thursday , March 22 , and encrypted some financial and person data .
 5 a.m. on Thursday , March 22: time; city computers: victim; encrypted some financial and person data: attack pattern
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:
 5 a.m. on Thursday , March 22: time; city computers: victim; encrypted some financial and person data: attack pattern