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: Organisms use lipids to store energy., Fact2: Triglycerides are a storage form of energy., Question: In what form do organisms use lipids? (A) Triglycerides (B) glucose (C) layers of fat (D) adding heat (E) reducing acid rain (F) hydrocarbons (G) recycling (H) By wind and rain
[A]: A


[Q]: Fact1: erosion causes a river to become deeper and wider, Fact2: Weathering and erosion continue to shape it today., Question: Weathering causes what to become deeper and wider? (A) a landslide (B) Sediment (C) a mountain (D) a volcano (E) soils (F) rock (G) flooding (H) a river
[A]: H


[Q]: Fact1: an animal usually requires a warm body temperature for survival, Fact2: Warm blooded animals have a constant body temperature., Question: Animals usually require what for survival? (A) organic molecules (B) organic material (C) Fluctuating body temperature. (D) Ears (E) food and shelter (F) Cold blood (G) Organic compounds (H) Constant body temperature.
[A]:
H