64323
He revived the school with the trivium and quadrivium disciplines , writing a codex on the trivium , while his student Hraban wrote one on the quadrivium .
 person: Hraban
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Hraban 
Answer:
 person: Hraban