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The toys -- which can receive and send voice messages from children and parents -- have been involved in a data breach dealing with more than 800,000 user accounts .
 user accounts: compromised data; 800,000: number of data; The toys: 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:
 user accounts: compromised data; 800,000: number of data; The toys: victim