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Green Acres , Nova Scotia is a residential neighbourhood in Halifax on the Mainland Halifax within the Halifax Regional Municipality Nova Scotia .
 location: Nova Scotia; location: Halifax; location: Mainland Halifax; location: Halifax Regional Municipality Nova Scotia
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: Nova Scotia; location: Halifax; location: Mainland Halifax; location: Halifax Regional Municipality Nova Scotia