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The Transcaucasus region and Dagestan were the furthest points of Parthian and later Sasanian expansions , with areas to the north of the Greater Caucasus range practically impregnable .
 location: Transcaucasus; location: Dagestan; location: Greater Caucasus
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Transcaucasus; location: Dagestan; location: Greater Caucasus