Task: Question Answering
Input (English): Question: Set A: 3, r, 8, 10
Set B: 4, g, 9, 11
The terms of each set above are given in ascending order. If the median of Set A is equal to the median of Set B, what is the value of g – r?

 Option A: -2

 Option B: -1

 Option C: 0

 Option D: 1

 Option E: 2
Output (English): Option B