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: Air pollution harms the respiratory and circulatory systems., Fact2: Cars are a significant source of air pollution., Question: What harms the respiratory and circulatory systems? (A) oil (B) rain (C) sulfur (D) cars (E) tires (F) coal (G) tar (H) bicycles
Example Output: D

Example Input: Fact1: Petals attract pollinators to the flower., Fact2: Daisy leaves and white petals are used in salads., Question: What attracts pollinators? (A) Daisy (B) Wind (C) Amoeba (D) pollen (E) Ant (F) orchids (G) Flowers (H) Honeybee
Example Output: A

Example Input: Fact1: a solution is formed by one substance being dissolved in another substance, Fact2: Homogeneous mixtures are called solutions., Question: When one substance dissolves in another, the mixture is: (A) unidirectional (B) homogenous (C) It expands (D) Condensation (E) elemental (F) emulsion (G) barrel-shaped (H) separated
Example Output:
B