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The ransom notes demand $ 100 worth of Bitcoin ( 0.18 BTC ) from its victims , ” Trend Micro warns .
 $ 100: price; 0.18 BTC: price; victims: victim; The ransom notes: tool
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:
 $ 100: price; 0.18 BTC: price; victims: victim; The ransom notes: tool