Task: Question Answering
Input (English): Question: At a certain restaurant, the ratio of the number of cooks to the number of waiters is 3 to 11. When 12 more waiters are hired, the ratio of the number of cooks to the number of waiters changes to 3 to 14. How many cooks does the restaurant have?

 Option A: 4

 Option B: 6

 Option C: 9

 Option D: 12

 Option E: 15
Output (English): Option D