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: natural disasters can cause animals to leave an environment, Fact2: Animal migration is mystery of nature., Question: Natural disasters can cause  (A) deforestation (B) kill them (C) Pollution (D) disease (E) deadly (F) erosion (G) migration (H) flooding
Example Output: G

Example Input: Fact1: most canyons are formed by flowing rivers through erosion over long periods of time, Fact2: Canyon formed as a consequence of river erosion., Question: what does erosion form? (A) valleys (B) Sediment (C) mountains (D) canyons (E) soils (F) hills (G) soft soil (H) loose soil
Example Output: D

Example Input: Fact1: exercise increases a body 's strength, Fact2: Yoga is a gentle form of exercise., Question: Yoga does what? (A) decreases flexibility (B) recovery time from fatigue (C) faster movement (D) increases a body's strength (E) absorb light energy (F) Something that is self-aware (G) reduces a body's strength (H) causes stress
Example Output:
D