Task: Question Answering
Input (English): Question: x, y, and z are three positive integers whose average is 10. If x≤y≤z and z-x=3, which of the following could be the median W of x, y, and z?
I. 9
II. 10
III. 11

 Option A: I only

 Option B: II only

 Option C: III only

 Option D: I and II only

 Option E: I and III only
Output (English): Option E