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: smell is used for finding food by some animals, Fact2: Olfaction is the sense of smell., Question: What do some animals use to find food? (A) Echinoids (B) breakfast (C) time travel (D) Energy (E) streams. (F) heat energy (G) nature (H) olfaction
Example Output: H

Example Input: Fact1: staying warm has a positive impact on an animal 's survival, Fact2: Furry animals grow thicker coats to keep warm in the winter., Question: Furry animals grow thicker coats which has what impact on their survival? (A) heat (B) positive (C) negative (D) energy (E) ironic (F) Energy. (G) decreased (H) adding heat
Example Output: B

Example Input: Fact1: high pressure systems cause clear weather, Fact2: Also known as an cyclone , it is the opposite of an area of high pressure , or a anticyclone., Question: Anticyclones cause what? (A) global warming (B) colder weather (C) Greenhouse gases (D) clear weather (E) Dehydration (F) erosion (G) flooding (H) contamination
Example Output:
D