instruction:
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").
question:
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
answer:
B

question:
Fact1: the emission of sulfur dioxide causes acid rain, Fact2: The sulfur dioxide is converted into sulfuric acid., Question: what causes acid rain? (A) gases (B) rainfall (C) Pollution (D) fossil fuels (E) emissions (F) vehicles (G) burning (H) wind
answer:
E

question:
Fact1: a flower 's purpose is to produce seeds, Fact2: Seeds grow into new plants., Question: What is a flower's job? (A) plant reproduction (B) to produce leaves (C) to make new plants (D) Reproduction (E) to produce petals (F) protect them (G) to produce roots (H) spread flower seeds
answer:
C