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Not ones to be unprofessional , the Charger operators attempt to reassure their victims by offering a " 100 % guarantee " that once the 0.2 Bitcoin ransom ( currently around $ 183 ) is paid , all the collected information will be deleted and the device unlocked .
 0.2 Bitcoin: price; the Charger operators: attacker; their victims: victim; $ 183: price
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:
 0.2 Bitcoin: price; the Charger operators: attacker; their victims: victim; $ 183: price