Task: Question Answering
Input (English): Question: Three positive integers a, b, and c are such that their average is 18 and a ≤ b ≤ c. If the median is (a + 11), what is the least possible value of c?

 Option A: 21

 Option B: 23

 Option C: 25

 Option D: 27

 Option E: 29
Output (English): Option B