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Last spring , hackers got into the system at the ministry , which was then headed by now - Prime Minister Paolo Gentiloni , and the attacks carried on for more than four months but did not gain access to classified information , the paper said .
 system: victim; hackers: attacker; Last spring: time; the ministry: victim
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: data breach 
  Option: victim, attacker, attack pattern, purpose, damage amount, tool, time, place, number of victim, compromised data, number of data 
Text: {0} 
Answer:
 system: victim; hackers: attacker; Last spring: time; the ministry: victim