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The region is known for its linguistic diversity : aside from Indo-European and Turkic languages , the Kartvelian , Northwest Caucasian , and Northeast Caucasian language families are indigenous to the area .
 location: Northwest Caucasian; location: Northeast Caucasian
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: Northwest Caucasian; location: Northeast Caucasian