Task: Question Answering
Input (English): Question: If w, z and r are positive integers greater than 1, and p and q are factors of r, which of the following must be the factor of r^(wz)?
I. w+z
II. z^w
III. w^2 * z^2

 Option A: I only

 Option B: II only

 Option C: III only

 Option D: I and II

 Option E: II and III
Output (English): Option E