21588
Rights to use the Albanian language were guaranteed by the constitution of the later formed Socialist Yugoslavia and was widely used in Macedonia and Montenegro prior to the dissolution of Yugoslavia .
 Socialist, Yugoslavia, Macedonia, Montenegro, Yugoslavia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Socialist, Yugoslavia, Macedonia, Montenegro, Yugoslavia