 "process paragraph : : Energy is created by burning either diesel or petrol in a combustion chamber. The energy is transferred from the pistons moving up and down at high speeds. This piston motion is converted to a rotary motion through the crankshaft and axle. The axle turns the wheels. The car moves forward. ", "event : The energy is transferred from the pistons moving up and down at high speeds.", "entity : diesel" 
 not exist 