1928
Countess Hella von Westarp ( 1887 – 1919 ; grave 9-6-12 ) , secretary of the Thule Society , was shot in the hostage murders .
 organization: Thule Society
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Thule Society