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: telephones are used for communication by two people by transmitting sound, Fact2: Cell phones are, bottom line, radios with a connection to a telephone company., Question: What are used for two people for communication with sound? (A) cell phones (B) messengers (C) energy (D) megaphones (E) A Greek letter (F) flashlights (G) gramophones (H) electricity
Example Output: A

Example Input: Fact1: refracting sunlight causes sunlight to split into different colors, Fact2: Light passing through a prism is refracted or divided into the colors of the spectrum., Question: Sunlight passing though a prism is split into (A) coronal discharge (B) heat energy (C) energy (D) small bits of matter (E) Energy. (F) neutrinoes (G) a spectrum (H) white
Example Output: G

Example Input: Fact1: Caffeine is a central nervous system stimulant., Fact2: Over stimulation can cause sleep problems., Question: What can too much caffeine in your body cause? (A) energy usage (B) Sleep problems (C) Dehydration (D) heart problems (E) sweating (F) cancer (G) slow your body (H) negative
Example Output:
B