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However , from the viewpoint of a private citizen whose entire database has been held hostage by vicious hackers , not paying a ransom is hardly an option .
 vicious hackers: attacker; entire database has been held hostage: attack pattern; a private citizen: victim
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: ransom 
  Option: victim, attacker, payment method, attack pattern, damage amount, tool, time, price, place 
Text: {0} 
Answer:
 vicious hackers: attacker; entire database has been held hostage: attack pattern; a private citizen: victim