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The 332nd served in Italy , and were the only American troops to serve east of the Adriatic Sea , carrying out operations in Austria , Dalmatia , Serbia , Montenegro .
 Italy, Austria, Serbia, Montenegro
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Italy, Austria, Serbia, Montenegro