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On December 21 , 2016 , Children 's Hospital Los Angeles learned that an unencrypted laptop containing patient data was stolen from the locked vehicle of a Children 's Hospital Los Angeles Medical Group physician on October 18 , 2016 .
 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