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Victims are urged by the crooks to pay the ransom in order to receive the decryption key , but should know that even if they do , there is no guarantee they will get the key .
 ( ransom: pay the ransom,  the crooks: victim, Victims: 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: pay the ransom,  the crooks: victim, Victims: victim) 