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-DOCSTART- RT @gracerodriguez : # Houston : There 's an SMS chatbot to help you find the nearest shelter . Text your address to 346 - 214 - 0739 # HurricaneHarvey # HoustonFlood
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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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