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Men who opt out or are deemed unfit for military service must often perform alternative service , such as Zivildienst in Austria and Switzerland , or pay extra taxes , whereas women do not have these obligations .
 Zivildienst, Austria, Switzerland
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Zivildienst, Austria, Switzerland