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: Cancer cells divide more often than normal cells, and grow out of control., Fact2: Cancer is an example of a mutation in cells., Question: What divide more often than normal cells, and grow out of control? (A) white blood cells (B) Most plants (C) hair cells (D) skin cells (E) Smoking (F) peachleaf willow (G) mutated cells (H) cigarettes

A: G
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Q: Fact1: a refrigerator is used for keeping food fresh for a long period of time, Fact2: Cold temperatures keep food fresh and inhibit the growth of most bacteria., Question: A refrigerator is used for inhibiting the growth of what on food? (A) some invertebrates (B) viruses (C) molds (D) spores (E) Echinoids (F) most bacteria (G) Nematoda (H) cones

A: F
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Q: Fact1: Thyroid hormones increase the rate of metabolism in cells throughout the body., Fact2: Graves disease is a thyroid gland that overproduces thyroid hormone., Question: what increases the rate of metabolism in cells? (A) heat energy (B) heating liquids (C) Smoking (D) adding heat (E) cigarettes (F) smoking cigarettes (G) Graves disease (H) Dehydration

A:
G
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