2284
" We have never seen the authentic tools from Vault 7 leak on the ' black market , ' and I assume that the leak is organized from one of the subcontractors or civilian employees working for CIA in specific areas . "
 ( data breach: Vault 7 leak, None) 
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: Vault 7 leak, None) 