814
-DOCSTART- RT @democracynow : TODAY : @SierraClub organizer @HighTechAztec & amp ; @Helvarg on catastrophic flooding in Houston . Live 8 - 9AM ET : https://t.co/Xup8cdtnFB # Harvey
 None
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:
 None