Task: Question Answering
Input (English): Question: Six computers, each working at the same constant rate, together can process a certain amount of data in 15 days. How many additional computers, each working at the same constant rate, will be needed to process the same amount of data in 5 days?

 Option A: 3

 Option B: 5

 Option C: 6

 Option D: 9

 Option E: 12
Output (English): Option E