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: Cancer is a disease in which cells divide out of control., Fact2: Cancer is also caused by a mutation., Question: What can mutations lead to in which cells divide out of control? (A) Smoking (B) resistance (C) a disease (D) viruses (E) AIDS (F) bacteria (G) Leptospirosis (H) cigarettes
Example Output: C

Example Input: Fact1: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells., Fact2: Surgery to remove the tumor is an option., Question: what might cells that divide uncontrollably need? (A) removal surgery (B) aqueous solution (C) turn to a doctor (D) an organism's body (E) kinetic energy (F) survival (G) Chemical energy (H) bioaerosols
Example Output: A

Example Input: Fact1: Most reptiles have good eyesight and a keen sense of smell., Fact2: Bats have good eyesight and rely on vision for long-distance orientation., Question: What rely on vision for long-distance orientation? (A) alpacas (B) mammals (C) graptolites (D) fur seals (E) fur and fat (F) insects (G) most reptiles (H) to move people
Example Output:
G