899
The town straddles a strategically important road linking government and rebel-held territory and has fallen succesively to both sides in a bloody tug-of-war which began last February .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
 Entities:  
Answer:
 None