1604
Researchers believe data sets sold on the Dark Web are a sign that fraudsters are stealing tax info from employer databases -- meaning they get it before the taxpayers
 ( data breach: are stealing,  fraudsters: attacker, tax info: compromised data, employer databases: victim, sold on the Dark Web: purpose, data sets: compromised data) 
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: are stealing,  fraudsters: attacker, tax info: compromised data, employer databases: victim, sold on the Dark Web: purpose, data sets: compromised data) 