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The employee responded quickly as requested , not realizing the W - 2 forms — containing the addresses , social security numbers , and salary information for Sunrun 's nearly 4,000 employees — were actually being delivered to a scam artist .
 ( data breach: were actually being delivered,  employees: victim, a scam artist: attacker, 4,000: number of victim, the W - 2 forms: compromised data, the addresses: compromised data, social security numbers: compromised data, salary information: compromised data, Sunrun: 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: were actually being delivered,  employees: victim, a scam artist: attacker, 4,000: number of victim, the W - 2 forms: compromised data, the addresses: compromised data, social security numbers: compromised data, salary information: compromised data, Sunrun: victim) 