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: safety goggles are used for protecting the eyes during experiments, Fact2: Firm plastic eyeglasses or goggles are better., Question: What protects the eyes during experiments? (A) magnesium (B) Chemicals (C) Vibrissae (D) Type O (E) Rolex (F) plastic (G) water (H) wind
Example Output: F

Example Input: Fact1: freezing means changing from a liquid into a solid by reducing heat energy, Fact2: Frostbite is the freezing of body parts., Question: What is one result of reducing the heat energy of body parts? (A) dehydration (B) An uncomfortably hot sensation (C) Frostbite (D) layers of fat (E) anemia (F) Sweating (G) Weight (H) Muscle growth
Example Output: C

Example Input: Fact1: Negative feedback controls insulin secretion by the pancreas., Fact2: Feedback inhibition is an example of common biological control mechanism called negative feedback., Question: Feedback inhibition controls insulin secretion by what? (A) prokaryotic cells (B) melanin amount (C) hypoglycemia (D) medication (E) humans (F) Pasteurization (G) pancreatic cancer (H) the pancreas
Example Output:
H