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But “ recent attacks on hospitals have demonstrated how profitable ransomware can be when used to hold operationally critical assets hostage with the threat of human harm , and reports suggest attackers are beginning to shift their focus on ICS networks ” .
 hospitals: victim; ransomware: tool; hold operationally critical assets hostage with the threat of human harm: attack pattern
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:
 hospitals: victim; ransomware: tool; hold operationally critical assets hostage with the threat of human harm: attack pattern