16013
From 1975 to 1989 , Angola was aligned with the Eastern bloc , in particular the Soviet Union , Libya , and Cuba .
 Angola, Eastern bloc, Soviet Union, Libya, Cuba
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Angola, Eastern bloc, Soviet Union, Libya, Cuba