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: if seeds stick to the fur of an animal then that seed will be transported by the animal, Fact2: Seed is disseminated by transport on animal hides., Question: What are disseminated by sticking to the fur of an animal? (A) twine (B) pebbles (C) rabies (D) seeds (E) feathers (F) insects (G) clams (H) pollen
Example Output: D

Example Input: Fact1: a delta is formed by deposition of sediment at the mouth of a river by water fanning out, Fact2: Rivers provide a water supply., Question: What is formed by deposition of sediment at the mouth of a water supply fanning out? (A) a hurricane (B) soils (C) a delta (D) an ocean (E) soft soil (F) an island (G) detritus (H) spring
Example Output: C

Example Input: Fact1: Air pollution harms the respiratory and circulatory systems., Fact2: Air pollutants are inhaled., Question: What system does inhaled pollution harm? (A) health (B) humans (C) the environment (D) circulatory (E) people (F) bones (G) lymphatic (H) cell wall
Example Output:
D