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").

Ex Input:
Fact1: electricity is used as an energy source by electrical devices, Fact2: Electrical fields result from electrical devices and televisions., Question: What is used as an energy source by television? (A) electricity (B) light (C) our nearest star (D) air (E) energy (F) satellites (G) photons (H) rocks

Ex Output:
A


Ex Input:
Fact1: Cell division is how organisms grow and repair themselves., Fact2: Cell division is by mitosis ., Question: What is required by division? (A) voltage (B) Microscope (C) loose soil (D) Energy. (E) Energy (F) relocation (G) warmth (H) mitosis

Ex Output:
H


Ex Input:
Fact1: Lung cancer is most often caused by exposure to tobacco smoke., Fact2: Smoke Tobacco smoke , whether directly or passively inhaled, has been shown to worsen asthma., Question: What can be caused by direct or passive inhalation? (A) skin grafts (B) prolonged thirst (C) science (D) Toxicity (E) lung cancer (F) negative (G) friction (H) craters

Ex Output:

E