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Back in 2016 , Tumblr had its hands full with a security incident that compromised the details of 65 million Tumblr users as a result of a breach dating back to 2013 .
 2013: time
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:
 2013: time