Task: Question Answering
Input (English): Question: If x is an odd negative integer and y is an even integer, which of the following statements must be true? I. (3x + 2y) is positive integer II. xy^2 is positive integer III. (y^2 - x) is positive integer

 Option A: I,II only

 Option B: I only

 Option C: II only

 Option D: III only

 Option E: none of these
Output (English): Option D