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").

Example Input: Fact1: Pneumonia may be caused by an infection or injury of the lungs., Fact2: Mammals breathe air with lungs., Question: What may be caused by an infection or injury of the organs used to breathe air? (A) Toxicity (B) smoking (C) fertilization (D) pneumonia (E) a broken leg (F) oxygenation (G) Dehydration (H) the skin
Example Output: D

Example Input: Fact1: heat can change the state of matter, Fact2: Heat and temperature are the same thing., Question: What can change the state of matter? (A) temperature (B) color (C) a-a gradients (D) electricity (E) hypothyroidism (F) fossil fuels (G) global warming (H) flavor
Example Output: A

Example Input: Fact1: chemical splashing can cause harm to humans, Fact2: Some pain can be harmful., Question: What can chemical splashing cause to humans? (A) death (B) pain (C) pleasure (D) birth (E) satisfaction (F) cancer (G) deadly (H) Injury
Example Output:
B