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: poison causes harm to living things, Fact2: Lead poisoning is one of the more common poisonings in birds., Question: Which causes harm to living things? (A) rabies (B) Oxygen (C) deadly (D) HIV (E) Lead (F) Carbon (G) Nitrogen (H) toxins
A:
E