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And in 2017 , 200,000 computers in 150 countries belonging to businesses , governments and even the U.K. National Health Service were impacted by the ransomware virus known as WannaCry .
 the ransomware: tool; WannaCry: tool; National Health Service: 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:
 the ransomware: tool; WannaCry: tool; National Health Service: victim