3134
Services are being restored to the St. Louis Public Library computer system after a ransomware attack last Thursday impacted access to machines and data at all 17 branches .
 ransom: a 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: a ransomware attack