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: 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

Ex Output:
B

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: insect bites cause harm to living things, Fact2: Insect bites are another source of poisoning., Question: poisonous substances can cause what to come to living things (A) health (B) higher nitrogen (C) cancer (D) Injury (E) toxins (F) death (G) cell growth (H) harm

Ex Output:
H