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: 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

Answer: F

Question: Fact1: unequal heating of Earth 's surface by the Sun causes global wind patterns, Fact2: Unequal absorption of radiation causes unequal heating of the earth's surface., Question: heating causes the wind patterns on earth to be what? (A) evenly distributed (B) waves (C) equal (D) constant (E) threatened (F) supersonic (G) unequal (H) Tropical

Answer: G

Question: Fact1: Feathers help birds fly and provide insulation., Fact2: Penguins keep warm with layers of insulation., Question: Feathers help birds fly and what? (A) staying warm (B) keep warm (C) Absorb light (D) allow growth (E) keep birds (F) protect them (G) keep cool (H) keep grounded

Answer:
B