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: Behaviors that improve fitness increase through natural selection., Fact2: Adaptation traits contribute to individual fitness and to the evolution of animal genetic resources., Question: The evolution of animal genetic resources can be impacted by: (A) extinction (B) Mars (C) competition (D) Darwin (E) agriculture (F) behavior (G) environment (H) Galapagos Islands
Example Output: F

Example Input: Fact1: Pneumonia may be caused by an infection or injury of the lungs., Fact2: Mammals breathe air with lungs., Question: What may be caused by an infection or injury of the organs used to breathe air? (A) Toxicity (B) smoking (C) fertilization (D) pneumonia (E) a broken leg (F) oxygenation (G) Dehydration (H) the skin
Example Output: D

Example Input: Fact1: the vomiting reflex is used to remove toxic material from the stomach before it is absorbed, Fact2: Vomiting is a reflex controlled by a vomiting center in the brain., Question: what is the throwing up center of the brain used for? (A) dissolving enzymes (B) repair cells in the human body (C) solving equations (D) keeping food fresh for long periods of time (E) remove toxic material from the stomach before it is absorbed (F) Something that can be converted to kinetic and heat energy by a motor (G) lower the surrounding pressure (H) regulate breathing
Example Output:
E