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-DOCSTART- RT @JackGreezy : Anyone that is reading this , most of our city is under water and houses are flooded . Please donate online to help ! # houstonflood https://t.co/knKMh0HFI0
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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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