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: Cells are the basic units of the structure and function of living things., Fact2: Tigers are the largest of the living cats., Question: Cells are the basic units of the structure and function of what? (A) water (B) mammals (C) ice (D) tigers (E) animals (F) humans (G) plants (H) the Sun
Example Output: D

Example Input: Fact1: an egg requires warmth to survive, Fact2: Inside the egg, the developing rattlesnake is nourished by the yolk of the egg., Question: a developing rattlesnake requires what to survive (A) warmth (B) companionship (C) nutrients (D) shade (E) desert (F) food (G) energy (H) air
Example Output: A

Example Input: Fact1: Soil can be depleted of nutrients., Fact2: Wampanucket soils are prime farmland soils., Question: If not managed properly, nutrients can be depleted on (A) environment (B) Dehydration (C) fronts (D) our planet (E) coastlines (F) the skin (G) farmland (H) Power plants
Example Output:
G