390588
He obtained his PhD in 1896 for work with Franz Serafin Exner .
 person: Franz Serafin Exner
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: Franz Serafin Exner 
Answer:
 person: Franz Serafin Exner