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-DOCSTART- RT @abc13houston : # BREAKING : Shelter at GRB over capacity with 7,000 evacuees https://t.co/4hwt8Nzcc3
 GRB
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:
 GRB