79697
The surface salinity of the sea averages about 22 parts per thousand , which is slightly greater than that of the Black Sea , but only about two-thirds that of most oceans .
 location: Black Sea
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Black Sea 
Answer:
 location: Black Sea