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: Hormones are chemical messengers that control many body functions., Fact2: Growth hormone is in many ways an anti-aging hormone., Question: What controls anti-aging? (A) A computer (B) air (C) chemical messengers (D) ice (E) an electric stove (F) Electrical energy (G) water (H) Chemical energy
Example Output: C

Example Input: Fact1: Mollusks live in most terrestrial, freshwater, and marine habitats., Fact2: Though most trout are freshwater fish, some live in marine waters., Question: What do some mollusks live near? (A) gills (B) rivers (C) desert (D) roads (E) fungi (F) trout (G) clouds (H) water
Example Output: F

Example Input: Fact1: Cancer is a disease in which cells divide out of control., Fact2: Cancer cells grow and divide rapidly out of control., Question: Cancer is a disease in which cells what? (A) Something coming from a gland (B) cause people to become sick. (C) the body's largest organ (D) major threat to health (E) multiply purposely (F) spread slowly (G) multiply controllably (H) grow and divide rapidly
Example Output:
H