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This ransom demand is between 10 and 100 times over the price of some phones , and most users who ca n't remove the screen locker will instead choose to buy a new phone rather than paying the crooks .
 ( ransom: ransom demand,  phones: victim, users: 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: ransom demand,  phones: victim, users: victim) 