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For example , the city of Chennai is one of the driest cities in the country in terms of potable water availability , despite high percentage of moisture in the air , due to the unpredictable , seasonal nature of the monsoon .
 Chennai
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Chennai