8478
Thirdly , from the perspective of the Soviet Union and of Cuba , it seemed that the United States wanted to increase its presence in Cuba .
 Soviet Union, Cuba, United States, 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:
 Soviet Union, Cuba, United States, Cuba