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-DOCSTART- RT @ChrisB_Brown : Help spread the word : do not seek shelter in your attic , folks ! # Harvey # HoustonStrong https://t.co/r9MuJRTMfO
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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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