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-DOCSTART- Latest NHC update shows # Harvey centered in the Gulf , and we will finally see some relief as it moves out of the area on Wednesday # txwx https://t.co/d0uV6IaAWl
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: exact location, area, road, river 
Text: {0} 
Answer:
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