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: Carbon cycles quickly between organisms and the atmosphere., Fact2: Water, carbon dioxide, and nitrogen are all needed by living things., Question: What is needed by living things? (A) hate (B) sunlight (C) Chemical energy (D) pain (E) love (F) hydration (G) The atmosphere (H) Energy.

Output: G


Input: Consider Input: Fact1: Skin color is another polygenic trait., Fact2: Most dental variations are polygenic, that is controlled by several genes., Question: Skin color is a trait controlled by what? (A) prokaryotic cells (B) one gene (C) enzymes (D) keratin (E) one's descendants (F) several genes (G) the environment (H) a single gene

Output: F


Input: Consider Input: Fact1: a rubber band snapping causes the particles in the rubber band to vibrate, Fact2: All sound is created by vibrations., Question: A rubber band snapping can cause the particles to do what? (A) separate (B) kinetic energy (C) divide (D) attach (E) electrically (F) mechanical (G) waves (H) make sound


Output: H