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The Rilo-Rhodope geomorphological region covers the south-western regions of Bulgaria and includes the Rhodope Mountains , Rila , Pirin , Osogovo , Vlahina , Maleshevo , Ograzhden , Slavyanka and Belasitsa , as well as the valleys of the rivers Struma and Mesta .
 location: Rilo-Rhodope; location: Bulgaria; location: Rhodope Mountains; location: Rila; location: Pirin; location: Osogovo; location: Vlahina; location: Maleshevo; location: Ograzhden; location: Slavyanka; location: Belasitsa; location: Struma; location: Mesta
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: Rilo-Rhodope, Bulgaria, Rhodope Mountains, Rila, Pirin, Osogovo, Vlahina, Maleshevo, Ograzhden, Slavyanka, Belasitsa, Struma, Mesta 
Answer:
 location: Rilo-Rhodope; location: Bulgaria; location: Rhodope Mountains; location: Rila; location: Pirin; location: Osogovo; location: Vlahina; location: Maleshevo; location: Ograzhden; location: Slavyanka; location: Belasitsa; location: Struma; location: Mesta