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In 1860 Ordronaux became a Professor of medical jurisprudence at Columbia Law School , a post that he held until 1887 .
 person: Ordronaux; organization: Columbia Law School
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: Ordronaux, Columbia Law School 
Answer:
 person: Ordronaux; organization: Columbia Law School