Task: Question Answering
Input (English): Question: If Q:R = 6:7 and R:S = 8:9 then Q:R:S is

 Option A: 48:56:68

 Option B: 48:56:66

 Option C: 48:56:63

 Option D: 44:52:63

 Option E: 48:50:63
Output (English): Option C