Task: Question Answering
Input (English): Question: If x and y are different integers and x^2 = xy, which of the following must be true ?
I. x = 2
II. y = 0
III. x = 0

 Option A: I only

 Option B: II only

 Option C: III only

 Option D: I and III only

 Option E: I, II, and III
Output (English): Option C