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: a battery converts chemical energy into electrical energy, Fact2: Check the fire alarm's batteries the first of each month., Question: What converts chemical energy into electrical energy? (A) Something in a fire alarm (B) sperm and egg fuse (C) Males and females (D) igniting fuel and oxidiser (E) The bending of a ray of light (F) basic building blocks of life (G) sensory neurons (H) mechanical waves
Example Output: A

Example Input: Fact1: habitat destruction causes animals to move to find shelter in another habitat, Fact2: Habitat destruction from logging is also a major concern., Question: What does logging cause animals to do? (A) use oxygen, release carbon (B) Plant growth is reduced (C) hide (D) eat (E) erode (F) move to find shelter. (G) Destroy crops (H) Converting waste.
Example Output: F

Example Input: Fact1: Viruses are so small that they can be seen only with an electron microscope., Fact2: Viruses Viruses are very small, a few nanometers in size., Question: Objects that are a few nanometers in size can be seen only with: (A) an electron microscope (B) refraction of light (C) matter vibrating (D) ultrasound (E) The bending of a ray of light (F) slight magnification (G) flashlights (H) lens
Example Output:
A