27370
The mines of Colombia , Zambia , Madagascar , Malawi , Tanzania and Kenya also produce aquamarine .
 Colombia, Zambia, Madagascar, Malawi, Tanzania, Kenya
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Colombia, Zambia, Madagascar, Malawi, Tanzania, Kenya