Task: Question Answering
Input (English): Question: Twenty identical machines, running continuously at the same constant rate, take 14 days to complete a shipment. How many additional machines, each running at the same constant rate, would be needed to reduce the time required to complete a shipment by four days?

 Option A: 8

 Option B: 9

 Option C: 12

 Option D: 14

 Option E: 16
Output (English): Option A