3754
In 1963 , when Harry Ransom purchased Gernsheim 's photography collection for The University of Texas at Austin , Gernsheim donated Niépce 's heliograph .
 person: Gernsheim; organization: The University of Texas at Austin; person: Gernsheim; person: Niépce
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: Gernsheim, The University of Texas at Austin, Gernsheim, Niépce 
Answer:
 person: Gernsheim; organization: The University of Texas at Austin; person: Gernsheim; person: Niépce