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Imeni Morozova ( ) is an urban locality ( an urban-type settlement ) in Vsevolozhsky District of Leningrad Oblast , Russia , located on the bank of Lake Ladoga by the source of the Neva River , northeast of Saint Petersburg .
 location: Leningrad Oblast; location: Russia; location: Saint Petersburg
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: Leningrad Oblast, Russia, Saint Petersburg 
Answer:
 location: Leningrad Oblast; location: Russia; location: Saint Petersburg