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The Battle of Dahaneh was a battle in the town of Dahaneh , Helmand Province , and its surrounding areas as part of the Afghanistan War .
 location: Helmand Province
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Helmand Province