2779
Last December , the American developer Darren Cauthon announced on Twitter that a family member ’s television had fallen victim to one of these attacks .
 ( ransom: these attacks,  victim: victim, television: victim, Last December: time, family member: 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: these attacks,  victim: victim, television: victim, Last December: time, family member: victim) 