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").

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
B

Fact1: a plants require water for survival, Fact2: Water contains hydrogen and oxygen., Question: What do plants require for their survival? (A) Light (B) Proteins (C) Energy. (D) salinity (E) hydrogen (F) nutrients (G) sunlight (H) food
E

Fact1: damming a river can cause a lake to form, Fact2: Water in the lakes is fresh, cool and transparent., Question: What is the thing that is created by damming a river made of? (A) Sediment (B) Fresh water (C) loose soil (D) swamp vegetation (E) mussels (F) storing water (G) body water (H) carbon dioxide

B