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-DOCSTART- IMMEDIATE DONATIONS NEEDED : The GRB ( now a massive shelter ) is in urgent need of towels . Please RT # Houston # Harvey # houstonflood @KPRC2
 exact location: GRB
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: exact location, area, road, river 
Text: {0} 
 Entities: GRB 
Answer:
 exact location: GRB