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: seeing requires light, Fact2: Sight is the mere ability to see, and the eye's responses to light shining into it., Question: What do eyes require? (A) a form of oxygen (B) Light shining into it (C) Exposure to oxygen and water (D) A dark environment (E) Contact lenses (F) melanin amount (G) tissue made of chondrocytes (H) Glasses
Example Output: B

Example Input: Fact1: building housing developments usually requires replacing animal habitats, Fact2: Habitat destruction is the primary cause of extinction or threat of extinction for all animals., Question: Building housing developments may cause (A) eruptions (B) colder weather (C) disease (D) erosion (E) extinction (F) mutations (G) Destroy bridges (H) deforestation
Example Output: E

Example Input: Fact1: Ribosomes are sites where proteins are made., Fact2: Soy protein is a complete protein., Question: What does soy contain? (A) bioaerosols (B) Ribosomes (C) glucose (D) seeds (E) heat energy (F) Energy (G) hydrocarbons (H) layers of fat
Example Output:
B