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A screenshot reveals the hackers ’ demands : 0.8 Bitcoins for each seized computer , or six bitcoins to unlock all computers held hostage , equaling to around $ 51,000 in real cash .
 0.8 Bitcoins: price; seized computer: victim; six bitcoins: price; computers: victim; held hostage: attack pattern; $ 51,000: price; hackers: attacker
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:
 0.8 Bitcoins: price; seized computer: victim; six bitcoins: price; computers: victim; held hostage: attack pattern; $ 51,000: price; hackers: attacker