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: pathogens can cause disease, Fact2: Fungi are significant pathogens., Question: What can fungi do? (A) protect them (B) survive (C) Spread disease (D) migrate (E) hydrate their cells (F) decrease stamina (G) reproduce (H) aerobic capacity
Example Output: C

Example Input: Fact1: chlorophyll is used for absorbing light energy by plants, Fact2: Fungi do not contain chlorophyll., Question: What can fungi not do? (A) It remains dormant (B) They may not survive. (C) aerobic capacity (D) Move to another area (E) duplicate itself (F) It becomes dormant (G) single-celled organisms (H) absorb light energy
Example Output: H

Example Input: Fact1: a polar bear requires a cold environment, Fact2: Polar bears have two layers of fur for further protection from the cold., Question: Why do polar bears have two layers of fur? (A) 70-75 degrees Fahrenheit (B) Prevent injuries (C) To survive in their environment (D) Amount of melanin (E) To stay cold (F) Ultraviolet shielding (G) protective plates (H) To help them swim faster
Example Output:
C