50311
There are two catchment basins : the Black Sea ( 57 % of the territory and 42 % of the rivers ) and the Aegean Sea ( 43 % of the territory and 58 % of the rivers ) basins .
 location: Black Sea; location: Aegean Sea
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Black Sea, Aegean Sea 
Answer:
 location: Black Sea; location: Aegean Sea