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: Organisms cluster around hydrothermal vents in the ocean floor., Fact2: Background Hot water vents form inside cracks in the ocean floor., Question: Organisms cluster around hot water inside cracks where? (A) loose soil (B) ocean floor (C) food and shelter (D) tectonic plates (E) the ground (F) allow growth (G) Absorb light (H) survive
Example Output: B

Example Input: Fact1: if a plant requires less water then that plant will survive in a drought, Fact2: Shrub beds and ground covers require less water and provide more variety to the landscape., Question: What needs less water and will survive in a drought? (A) tiny polyps (B) Roundworms (C) shrub beds (D) tall trees (E) heterotrophs (F) rainforests (G) mussels (H) dandilions
Example Output: C

Example Input: Fact1: Balance is the ability to sense and maintain body position., Fact2: People fall when they lose their sense of balance., Question: the ability to sense and maintain body position prevents people what (A) falling (B) death (C) illness (D) starving (E) blindness (F) disease (G) depression (H) sweating
Example Output:
A