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Examples include pebble transport by rivers , sand drift over desert surfaces , soil blowing over fields , and snow drift over smooth surfaces such as those in the Arctic or Canadian Prairies .
 location: Arctic; location: Canadian Prairies
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: Arctic, Canadian Prairies 
Answer:
 location: Arctic; location: Canadian Prairies