If a and b are each greater than x and y, which…

If a and b are each greater than x and y, which of the following must be true? I.|a| + |b| > |x| + |y| II. ab > xy III. a + b > x + y

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #6646