8101
At its greatest extent , it may have covered as much as , larger than any currently existing lake in the world ( including the Caspian Sea ) and approximately the area of the Black Sea .
 location: Caspian Sea; location: Black Sea
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Caspian Sea; location: Black Sea