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The results of an annual school survey administered by Western Albemarle High School ( WAHS ) were inadvertently exposed to the public in a serious breach of security and student privacy protocol .
 data breach: inadvertently exposed
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: inadvertently exposed