Task: Question Answering
Input (English): Question: If A = {9, 17, 25, 28, 29, 30}, how much less is the mean of the numbers in A than the median of the numbers in S?

 Option A: 1.0

 Option B: 9.6

 Option C: 3.5

 Option D: 3.2

 Option E: 5.1
Output (English): Option C