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: Fertilization occurs when sperm swim to an egg inside an archegonium., Fact2: Gametes in males are called sperm, and in women commonly referred to as eggs., Question: What occurs when a male gamete swims to an egg? (A) permineralization (B) competition (C) movement (D) rapid expansion (E) fertilization (F) birth (G) copulation (H) ovulation
Example Output: E

Example Input: Fact1: bacteria cause food poisoning, Fact2: Examples are the E-Coli bacteria and Hanta virus., Question: E.Coli poisoning can come from what? (A) germs (B) animal (C) toxins (D) death (E) food (F) skin (G) sunlight (H) running
Example Output: E

Example Input: Fact1: Endocrine hormones travel throughout the body in the blood., Fact2: Almost every body function is controlled by hormones released from the endocrine glands., Question: Bodily functions are controlled by hormones that travel through what? (A) glucose (B) blood (C) ovaries (D) wires (E) rivers (F) Man (G) muscles (H) brain cells
Example Output:
B