1054
The ransom that the Canadian town of Midland has paid to cyber criminals to have its servers unblocked was in the form of Bitcoin ( BTC ) , media source Global News reported last week , quoting a local spokesperson .
 cyber criminals: attacker; its servers: victim; Bitcoin ( BTC ): payment method; the Canadian town of Midland: 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:
 cyber criminals: attacker; its servers: victim; Bitcoin ( BTC ): payment method; the Canadian town of Midland: victim