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").
Input: Fact1: threatening behavior causes a fight-or-flight response in animals, Fact2: Fighting can lead to brawls and significant injury., Question: What can threatening behavior cause? (A) love (B) toxins (C) Pollution (D) disease (E) knowledge (F) injury (G) negative (H) friendship
Output:
F