2479
According to Wednesday 's filing , Yahoo still has n’t learned how this data was stolen , although it appears to be separate from the 2014 breach .
 data breach: was stolen
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:
 data breach: was stolen