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-DOCSTART- Story : @astros owner Crane pledges $ 4 million to # Houstonflooding relief ... and that 's not all : # khou11 https://t.co/qpAbdbJcHu https://t.co/gL0ApuXLHr
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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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