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: Antigens are molecules that the immune system recognizes as foreign to the body., Fact2: Antigens prompt the body to produce antibodies., Question: Antigens are molecules that prompt the what of antibodies? (A) termination (B) failure (C) humans (D) decrease (E) production (F) anemia (G) rapid expansion (H) kinetic
Example Output: E

Example Input: Fact1: Plants live just about everywhere on Earth., Fact2: Snakes live almost everywhere on earth., Question: Plants and snakes live _. (A) almost everywhere (B) important habitats (C) hydrate their cells (D) reproduce (E) more abundant (F) competing for resources (G) the environment (H) vegetation
Example Output: A

Example Input: Fact1: Fertilization takes place inside the female organism., Fact2: Humans are complex organisms., Question: what kind of females does fertilization take place in? (A) humans (B) fertile (C) plants (D) bees (E) orchids (F) sperm (G) Flowers (H) post-menopausal women
Example Output:
A