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Colchis was an important region in Black Sea traderich with gold , wax , hemp , and honey .
 location: Colchis; location: Black Sea
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: Colchis; location: Black Sea