2138
-DOCSTART- RT @NWS : Tropical Storm Harvey continues to have the potential to spin up brief , but damaging , tornadoes . Know where to go when you get the warning ! https://t.co/4FFMZABHm5
 None
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:  
Answer:
 None