Input: concept: Canada  answers:  ['Bituminous Coal Underground Mining', 'Copper Ore and Nickel Ore Mining', 'Automobile', 'Pulp, Paper, and Paperboard Mills', 'Wheat Farming', 'Electric Power Generation', 'Crude Petroleum and Natural Gas Extraction', 'Iron Ore Mining', 'Primary Aluminum Production', 'Pharmaceutical and Medicine Manufacturing']
Output: 

 what are the major imports and exports of canada?