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Further ReadingYahoo admits it ’s been hacked again , and 1 billion accounts were exposed " When I learned in September 2016 that a large number of our user database files had been stolen , I worked with the team to disclose the incident to users , regulators , and government agencies , " she wrote in a note published Monday on Tumblr .
 users: 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:
 users: victim