29306
As such , the oil and gas industry represents 27 % of Canada 's total greenhouse gas emissions , an increase of 84 % since 1990 , mostly due to the development of the oil sands .
 location: Canada
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: Canada 
Answer:
 location: Canada