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").

Input: Consider Input: Fact1: Bone provides protection for soft tissues and internal organs., Fact2: Antlers are true bones and are composed of calcium and phosphorous., Question: What provides protection for soft tissues and internal organs? (A) bacteria (B) Veins and arteries. (C) Fully cooking the oysters (D) layers of fat (E) calcium and phosphorous (F) water (G) peachleaf willow (H) the trachea

Output: E


Input: Consider 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

Output: B


Input: Consider Input: Fact1: Evolution occurs in response to a change in the environment., Fact2: Different environments Life is a changing phenomenon., Question: Evolution occurs in response to what in life? (A) static events (B) global warming (C) that material's properties (D) changing phenomenon (E) major threat to health (F) changing tides (G) Animal survival (H) isolated events


Output: D