Detailed Instructions: In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Q: Fact1: when a metal rusts , that metal becomes orange on the surface, Fact2: Steel is the most useful of metals., Question: When steel rusts it becomes (A) blue (B) Mohs (C) Unsafe (D) solid (E) orange (F) damaging (G) rainbow (H) pink
A:
E