80114
In 1957 he was appointed Professor of Modern History , a post he held until his election to parliament ten years later .
 organization: Modern History
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: Modern History 
Answer:
 organization: Modern History