172866
From 1970 to 1997 he worked as a civil law professor , and from 1994 to 1996 , he was the Dean of the Faculty of Law .
 None
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:  
Answer:
 None