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: Aggression is behavior that is intended to cause harm or pain., Fact2: Behaviorally, aggression is any behavior whose intent is to intimidate or harm another animal., Question: what harms others? (A) aggression (B) cells (C) smoking tobacco (D) water (E) smoking (F) killing insects (G) oxygen (H) cigarettes
A:
A