300
City officials did , however , call in the FBI to investigate the attack and while they were unable to identify anyone directly involved in the attack , they were able to trace the ransom demand to Romania .
 ransom: the ransom demand
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: the ransom demand