Task: Question Answering
Input (English): If \(x^2 + y^2 = (x - y)^2\), which of the following statements must also be true? I. \(x = 0\) II. \(y = 0\) III. \(xy = 0\)
(A)I only (B)II only (C)III only (D)I and II only (E)I, II, and III only
Output (English): C