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A hacker allegedly used a vulnerability in MySQL to steal 6.5 million emails and poorly encrypted passwords from Dueling Network , a card game in the style of Yu - Gi - Oh , announced Motherboard .
 used a vulnerability in MySQL: attack pattern; A hacker: attacker; 6.5 million: number of data; emails: compromised data; passwords: compromised data; Dueling Network: 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:
 used a vulnerability in MySQL: attack pattern; A hacker: attacker; 6.5 million: number of data; emails: compromised data; passwords: compromised data; Dueling Network: victim