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: Fission takes place when an animal divides into two parts., Fact2: Flagellates reproduce by binary fission., Question: How do Flagellates reproduce? (A) diving into two parts (B) it keeps an organism warm (C) metabolic reaction (D) allow growth (E) photosynthesis (F) irradiation (G) The bending of a ray of light (H) By wind and rain
Example Output: A

Example Input: Fact1: Some parasites kill their host, but most do not., Fact2: Parasites include lungworms and GI parasites., Question: What can kill their host? (A) cigarettes (B) bacteria (C) adding heat (D) heat or cold (E) burning (F) Dehydration (G) lungworms (H) Pollution
Example Output: G

Example Input: Fact1: the movement of an air mass over Earth 's surface causes local weather changes, Fact2: Weather affects distribution locally., Question: What can affect distribution locally? (A) Movement of an air mass (B) exposure to cold (C) a tree falling (D) dreams (E) deforestation (F) desires (G) forest is destroyed (H) Astrological signs
Example Output:
A