1519
Payday loan firm Wonga has suffered a data breach affecting up to 245,000 customers in the U.K. .
 ( data breach: a data breach,  245,000: number of victim, customers: victim, the U.K. .: place, Payday loan firm Wonga: 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: a data breach,  245,000: number of victim, customers: victim, the U.K. .: place, Payday loan firm Wonga: victim) 