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-DOCSTART- RT @Gail_HPM : Neighbors put up a sign to warn drivers of high water on Houston Ave @HPMNews887 # Harvey # houstonflooding https://t.co/d3fvmvP0su
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: exact location, area, road, river 
Text: {0} 
Answer:
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