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: Growth is faster during infancy than it is during puberty., Fact2: Humans experience their fastest growth rate during fetal development and early infancy., Question: Which period beats puberty for speed of growth? (A) melanin amount (B) fetal development (C) menopause (D) budding (E) several genes (F) mild heating process (G) Seconds and minutes (H) It's inherited from genes
Example Output: B

Example Input: Fact1: Mammals can also generate little bursts of heat by shivering., Fact2: Polar bears are mammals., Question: What can generate little bursts of heat by shivering? (A) alpacas (B) bacteria (C) animals (D) polar bears (E) phytoplankton (F) rabbit (G) viruses (H) humans
Example Output: D

Example Input: Fact1: Fish have a centralized nervous system with a brain., Fact2: Fish include bass and salmon., Question: What have a centralized nervous system with a brain? (A) objects that have mass (B) warm-blooded (C) Earth orbiting the Sun (D) jellyfish (E) salmon only (F) bass only (G) bass and salmon (H) chickens
Example Output:
G