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