833
-DOCSTART- TS Allison 2001 vs Hurricane Harvey 2017 rainfall totals in # Houston ! # HurricaneHarvey # HoustonFlood # Harvey # HoustonStrong # Floods2017 https://t.co/jbS2pOLzlU
 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