301967
In 1941 , he joined the Waffen-SS , the SS combat arm , and served in a reserve battalion .
 organization: Waffen-SS; organization: SS
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: Waffen-SS, SS 
Answer:
 organization: Waffen-SS; organization: SS