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: a battery converts chemical energy into electrical energy, Fact2: Electricity is a form of energy and is sometimes called electrical energy., Question: How does a battery work? (A) dormant state (B) hydrogen and oxygen (C) Throwing it away (D) Charging it (E) It converts power (F) Plugging it in (G) It remains dormant (H) to move people

Ex Output:
E


Ex Input:
Fact1: Animals may compete for territory, water, food, or mates., Fact2: Pigs are very intelligent animals., Question: what may compete for territory, water, food, or mates? (A) humans (B) pigs (C) Birds (D) density (E) gravity (F) clouds (G) bears (H) koalas

Ex Output:

B