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Ceptura Coal Mine is an open-pit mining exploitation , one of the largest in Romania located in Ceptura , Prahova County with estimated coal reserves of 18 million tonnes .
 location: Ceptura Coal; location: Romania; location: Ceptura; location: Prahova County
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: Ceptura Coal, Romania, Ceptura, Prahova County 
Answer:
 location: Ceptura Coal; location: Romania; location: Ceptura; location: Prahova County