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: Mammals have a layer of fat under the skin to help insulate the body., Fact2: Harbor seals, like sea lions, have evolved to utilize a layer of fat called blubber., Question: How do sea lions keep warm? (A) protected (B) warm (C) Swimming fast (D) Sleeping (E) hydration (F) Blubber (G) four limbs (H) Eating a lot of fish

A: F
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Q: Fact1: Pneumonia may be caused by an infection or injury of the lungs., Fact2: Mammals breathe air with lungs., Question: What may be caused by an infection or injury of the organs used to breathe air? (A) Toxicity (B) smoking (C) fertilization (D) pneumonia (E) a broken leg (F) oxygenation (G) Dehydration (H) the skin

A: D
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Q: Fact1: electricity is used as an energy source by electrical devices, Fact2: Of course, computers are electronic devices, and as such, they deal in electrical terms., Question: Electricity is used for energy by what? (A) cucumbers (B) cells (C) computers (D) humans (E) minerals (F) human computers (G) consumers (H) adding heat

A:
C
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