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: Tunicates reproduce sexually., Fact2: Bulbs are classifies as tunicate or non-tunicate., Question: How many ways can a bulb reproduce? (A) LEDs (B) Two (C) Many (D) wind (E) well (F) 12 (G) bent (H) tube
Example Output: B

Example Input: Fact1: a flashlight converts chemical energy into light energy, Fact2: A joule is roughly the energy used by a flashlight turned on for one second., Question: What is converted in a flashlight? (A) hydrogen and oxygen (B) adding heat (C) an electron lens (D) hydrogen to water (E) chemicals to light (F) batteries into solar (G) heat into light (H) chlorofluorocarbons
Example Output: E

Example Input: Fact1: a watch is used for measuring time, Fact2: Probably the easiest way to see time is to watch the ticking hands of a clock., Question: what is used for measuring time? (A) blinking orbs (B) feedback mechanisms (C) glowing lights (D) snow, ice, and rock (E) tubular organ (F) lamphreys (G) ticking hands (H) moving walls
Example Output:
G