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: Viruses cause many human diseases., Fact2: Examples include influenza, rabies, HIV, and Herpes viruses., Question: What causes human disease? (A) HPV (B) UV (C) minerals (D) Tamiflu (E) mold (F) HIV (G) human growth (H) CFCs

A: F
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Q: Fact1: a mold spore has a negative impact on the respiratory system, Fact2: Insects also have both a heart and a respiratory, or breathing, system., Question: Mold spores have what impact on breathing? (A) neutral (B) ambiguous (C) symptoms (D) motility (E) positive (F) dangerous (G) negative (H) uncontrolled

A: G
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Q: Fact1: Hormones control many cell activities, so they are very important for homeostasis., Fact2: Homeostasis is the chemical equilibrium of the body., Question: What is important for the chemical equilibrium of the body? (A) sleep (B) exercise (C) hydration (D) dish soap (E) eyesight (F) hormones (G) detergent (H) glucose

A:
F
****