Task: Question Answering
Input (English): Question: If a: b = 12: 6, b: c = 9: 7, find a: b: c?

 Option A: 118: 53: 66

 Option B: 138: 73: 46

 Option C: 128: 43: 36

 Option D: 108: 63: 56

 Option E: 148: 83: 76
Output (English): Option D