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Many times , other ransomware authors do n't always provide a way for victims to recover files , and more and more people now know there 's a high chance that paying the ransom wo n't always recover their files .
 ( ransom: paying the ransom,  victims: victim, ransomware authors: attacker, people: 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:
 ( ransom: paying the ransom,  victims: victim, ransomware authors: attacker, people: victim) 