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: powering an electrical device with a battery requires a path for electricity to flow through a closed circuit, Fact2: Electrons flow continuously in a closed circuit., Question: powering an electrical device with a battery requires a path for electrons to what? (A) hydrogen and oxygen (B) spread out (C) electromagnetic energy (D) cut the line (E) flow continuously (F) an electron microscope (G) flood (H) kinetic energy

Output: E

Input: Consider Input: Fact1: cell division often causes growth, Fact2: Mitosis is cell division., Question: What often causes growth? (A) exercise (B) hormones (C) Atrophy (D) collagen (E) Earthworms (F) Apoptosis (G) Necrosis (H) Mitosis

Output: H

Input: Consider Input: Fact1: energy is used for heating a building by a heating system, Fact2: Solar energy is the energy in the sun's rays., Question: What can be used for heating a building by a heating system? (A) the Sun's rays (B) peachleaf willow (C) engines (D) oxygen (E) photosynthesis (F) photons (G) air (H) hydrogen and oxygen
Output: A