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A major research project examining the geological sequestration of carbon dioxide is currently being performed at an oil field at Weyburn in south-eastern Saskatchewan .
 location: Weyburn; location: Saskatchewan
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: Weyburn, Saskatchewan 
Answer:
 location: Weyburn; location: Saskatchewan