Task: Question Answering
Input (English): Problem: a bag making machine can make 20 bags per hour . if the company adjusts the machine to produce twice the amount per hour to satisfy expected rise in demand . how many bags can the machine make in the next 5 days if it works 10 hours a day ? 
Options: a ) 2,000 , b ) 1,000 , c ) 400 , d ) 50 , e ) 1,500
Output (English): a