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").
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Question: Fact1: Air pollution harms the respiratory and circulatory systems., Fact2: Cars are a significant source of air pollution., Question: What harms the respiratory and circulatory systems? (A) oil (B) rain (C) sulfur (D) cars (E) tires (F) coal (G) tar (H) bicycles

Answer: D


Question: Fact1: freezing means changing from a liquid into a solid by reducing heat energy, Fact2: Frostbite is the freezing of body parts., Question: What is one result of reducing the heat energy of body parts? (A) dehydration (B) An uncomfortably hot sensation (C) Frostbite (D) layers of fat (E) anemia (F) Sweating (G) Weight (H) Muscle growth

Answer: C


Question: Fact1: Fission takes place when an animal divides into two parts., Fact2: Fission releases energy and neutrons., Question: what gets released when an animal divides into two parts? (A) light energy (B) harmful substances (C) heat energy (D) Hemoglobin (E) Electrical energy (F) microorganisms (G) energy and neutrons (H) Generating heat

Answer:
G