207651
As there were no more sufficient forces for the defence of the former front line at Narva in July , the army group began preparations for the withdrawal of their forces to the Tannenberg defence line at the Sinimäed Hills 16 kilometres from Narva .
 location: Narva; location: Narva
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Narva, Narva 
Answer:
 location: Narva; location: Narva