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It is suspected that Ukrainian - based hackers took the Cockrell Hill Police Department 's server for ransom last month , resulting in the loss of video evidence .
 server: victim; Ukrainian - based hackers: attacker; last month: time; Cockrell Hill Police Department: victim; resulting in the loss of video evidence: 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:
 server: victim; Ukrainian - based hackers: attacker; last month: time; Cockrell Hill Police Department: victim; resulting in the loss of video evidence: attack pattern