Task: Question Generation
Input (English): A rig drills into the earth where oil is present. A pipe is placed in the hole. A pump is added to the pipe. Oil is pumped out. Oil is placed in barrels. Barrels are loaded on trucks. Trucks go to a refinery. Crude oil is refined to motor oil. Motor oil is bottle. Shipped to gas stations. 
Output (English): How does oil get from the ground to a gas station?