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: a plant requires sunlight to grow, Fact2: During the day, sunlight warms the soil., Question: When do plants grow the most? (A) week days (B) during the day (C) during winter days (D) bloom time (E) one celled organisms (F) by indirect light (G) in the morning (H) in the autumn season
Example Output: B

Example Input: Fact1: Most people can survive only a few days without water., Fact2: Water is the best fluid for hydration., Question: What can people only survive a few days without? (A) dehydration (B) hydration (C) bacteria (D) sodium (E) food (F) yogurt (G) Chlorophyll (H) oxygen
Example Output: B

Example Input: Fact1: Fish have a centralized nervous system with a brain., Fact2: Sharks are a type of fish., Question: What has a centralized nervous system with a brain? (A) Man (B) Birds (C) leeches (D) shark (E) evergreens (F) salmon (G) worms (H) pan
Example Output:
D