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Hospital administrators found the systems locked , with an encrypted message by unidentified attackers demanding ransom in Bitcoins to unlock it , said Tushar Doshi , Deputy Commissioner of Police ( Crime ) .
 ransom: demanding ransom
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: demanding ransom