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Last week HackRead exclusively reported on a vendor selling over 1 million Gmail and Yahoo accounts on a Dark Web marketplace .
 ( data breach: a vendor selling,  Gmail and Yahoo accounts: compromised data, 1 million: number of data, Last week: time) 
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 vendor selling,  Gmail and Yahoo accounts: compromised data, 1 million: number of data, Last week: time) 