15500
In the 1930 s and 1940 s , this perspective began to change due to the increasing concern about anti-Semitism due to the ideology of the Nazis .
 organization: Nazis
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: Nazis 
Answer:
 organization: Nazis