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").

[Q]: Fact1: an aquatic animal requires great amounts of water to survive, Fact2: Beavers are primarily aquatic animals., Question: what requires great amounts of water to survive (A) sunlight (B) beavers (C) octopus (D) mussels (E) trout (F) carbon (G) oxygen (H) amphibians
[A]: B


[Q]: Fact1: Cells are the microscopic building blocks of organisms., Fact2: Plants and animals are organisms., Question: What are cells in plants and animals? (A) production of energy (B) absorb light energy (C) large building blocks (D) sub-units of species (E) cellulitis (F) microscopic bulding blocks (G) disease (H) microorganisms
[A]: F


[Q]: Fact1: sunlight and rain can cause a rainbow, Fact2: Cold fronts bring in the rain., Question: What can cause a rainbow? (A) sunlight (B) cold fronts (C) heating liquids (D) earthquakes (E) the moon (F) solar eclipse (G) a prism (H) evaporation
[A]:
B