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Greenfield , Indiana - based Hancock Health paid hackers 4 bitcoin or about $ 47,000 to unlock its network on Saturday , after the health system fell victim to a ransomware attack on Thursday night .
 ransom: ransomware attack
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 ransom: ransomware attack