Task: Question Answering
Input (English): Question: If you keep rolling a pair of dice together till a sum of 5 or 7 is obtained, then what is the probability that a sum of 5 comes before a sum of 7?

 Option A: 5/5

 Option B: 4/5

 Option C: 3/5

 Option D: 2/5

 Option E: 1/5
Output (English): Option D