Task: Question Answering
Input (English): Question: A circular mat with diameter 7 inches is placed on a square tabletop, each of whose sides is 8 inches long. Which of the following is closest to the fraction of the tabletop covered by the mat?

 Option A: 6/7

 Option B: 4/9

 Option C: 5/2

 Option D: 5/3

 Option E: 1/7
Output (English): Option C