46395
It is found as far as east as the Caspian Sea , the Black Sea , and the Aral Sea .
 Caspian Sea, Black Sea, Aral Sea
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Caspian Sea, Black Sea, Aral Sea