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" We received a ransomware attack Friday evening that ended up going in and locking our servers .
 Friday evening: time; We: victim; locking our servers: 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:
 Friday evening: time; We: victim; locking our servers: attack pattern