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-DOCSTART- # BREAKING : George Bush Airport in # Houston will be CLOSED until Thursday , per the FAA @KPRC2 # Harvey # HoustonFlood
 George Bush Airport
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:
 George Bush Airport