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: Most protists have motility., Fact2: Protists are single-celled microscopic organisms like amoebae., Question: _ have motility (A) amoebae (B) plants (C) properties (D) minerals (E) fungi (F) movement (G) hydration (H) complex
Example Output: A

Example Input: Fact1: killing microorganisms in food can be used to extend the shelf life of that food, Fact2: Cooking kills the microorganisms., Question: How can you extend the shelf life of food? (A) Cook it (B) Energy (C) Buy it in bulk (D) mutations (E) heat (F) Eat it (G) Keep it on the counter (H) Enzymes
Example Output:
A