2217
Yahoo ’s database was breached two separate times during the period — once in August 2013 and again in late 2014 , revealing account details for hundreds of millions of users each time .
 ( data breach: was breached,  database: compromised data, August 2013: time, late 2014: time, account details: compromised data, hundreds of millions: number of victim, users: victim, Yahoo: victim) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( data breach: was breached,  database: compromised data, August 2013: time, late 2014: time, account details: compromised data, hundreds of millions: number of victim, users: victim, Yahoo: victim) 