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: 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: matter vibrating can cause sound, Fact2: Thus, sound is a wave in air ., Question: what can matter vibrating cause? (A) Pollution (B) energy (C) Relieve pain (D) kinetic energy (E) wave in air (F) Energy. (G) murmur (H) Greenhouse gases
Example Output: E

Example Input: Fact1: Playing is one way mammals and other animals learn how to behave., Fact2: Exercise is fun if it is also play., Question: What can teach animals how to behave? (A) adding heat (B) humans (C) fossil fuels (D) A computer (E) nerves (F) people (G) irradiation (H) exercise
Example Output:
H