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: Amphibians have permeable skin that easily absorbs substances from the environment., Fact2: All frogs are amphibians., Question: What has permeable skin? (A) goats (B) alligators (C) animals (D) apples (E) frogs (F) sharks (G) humans (H) snakes
Example Output: E

Example Input: Fact1: the force of water against the seed coat causes a root to emerge from a seed, Fact2: Water is made up of H2O molecules., Question: what is forced against the seed coat to cause the root to emerge from a seed? (A) germination (B) UV (C) urea (D) h2o (E) sunflower (F) rain (G) oil (H) newtons
Example Output: D

Example Input: Fact1: when sound reaches the ear , that sound can be heard, Fact2: Sound waves make the ear drum vibrate., Question: What does your ear drum do when it hears something? (A) Expands (B) Nothing (C) feedback (D) it increases (E) Echos (F) Vibrates (G) weater (H) move
Example Output:
F