801
-DOCSTART- RT @TxDOT : TxDOT Officials Urge Houston Area Drivers to Stay Off Roads : https://t.co/Ch8LEdVMlD Follow @TxDOTHoustonPIO for more # Harvey updates . https://t.co/Fh0ovC9Gpe
 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