Task: Question Answering
Input (English): Question: If xy not equal 0 and x^2*y^2 -xy = 12, which of the following could be y in terms of x?
I. 1/2x
II. -4/x
III. 3/x

 Option A: II and III

 Option B: II

 Option C: III

 Option D: IV

 Option E: I &II
Output (English): Option A