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: 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: cooking food requires adding heat energy, Fact2: Heat is essentially the source of energy., Question: Doing what to food requires adding the source of energy? (A) burning (B) burying (C) degrading (D) hydration (E) boiling (F) Light (G) sharing (H) cooking

A: H
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Q: Fact1: preventing the transfer of heat from an organims 's body causes that organism to keep warm, Fact2: Organic Wool Booties Sweet hand-knit booties help keep little feet warm., Question: hand-knit booties help prevent the transfer of heat from what? (A) a fire's coals (B) a stone's surface (C) an organism's body (D) a dog's bowl (E) Greenhouse gases (F) energy of moving objects (G) they body they live in (H) living things

A:
C
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