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: building housing developments usually requires replacing animal habitats, Fact2: Habitat destruction is the primary cause of extinction or threat of extinction for all animals., Question: Building housing developments may cause  (A) eruptions (B) colder weather (C) disease (D) erosion (E) extinction (F) mutations (G) Destroy bridges (H) deforestation
Example Output: E

Example Input: Fact1: plant reproduction requires pollination, Fact2: Perennial types are planted outside in spring., Question: what reproduction requires pollination? (A) humans (B) They lay eggs (C) Tropical (D) bees (E) insects (F) subtropical (G) perennials (H) heterotrophs
Example Output: G

Example Input: Fact1: Introns are regions that do not code for proteins., Fact2: An area is a rectangular region of cells., Question: Introns are areas that (A) it keeps an organism warm (B) Plant reproduction (C) the wearing away of rock (D) do not code for protein (E) Something coming from a gland (F) Plant growth is reduced (G) allow growth (H) produce offspring
Example Output:
D