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: Molecules of DNA are encoded with instructions that tell cells what to do., Fact2: Genes, made of DNA, carry the instructions for building proteins., Question: what do genes carry? (A) pollen (B) Energy (C) calories (D) instructions (E) Chemical energy (F) fat (G) acid (H) colors
Example Output: D

Example Input: Fact1: fat is used to keep animals warm, Fact2: Humans are a new type of animal., Question: what uses fat to keep warm? (A) Lobsters (B) bacon (C) humans (D) pigeons (E) insects (F) omnivores (G) plants (H) bears
Example Output: C

Example Input: Fact1: Chromosomes are coiled structures made of DNA and proteins., Fact2: DNA is an abbreviation for deoxyribonucleic acid., Question: Chromosomes are what made of deoxyribonucleic acid and proteins? (A) Something to move (B) the body's largest organ (C) they bend (D) allow growth (E) competing for resources (F) objects that have mass (G) coiled structures (H) more abundant
Example Output:
G