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