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On February 28 , Singapore ’s defense ministry ( MINDEF ) disclosed that a breach in an Internet - connected system earlier this month had resulted in the personal data of 850 national servicemen and employees being stolen .
 employees: victim; national servicemen: victim; 850: number of victim; the personal data: compromised data
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:
 employees: victim; national servicemen: victim; 850: number of victim; the personal data: compromised data