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: lungs are used for breathing air by land animals, Fact2: Elephants are the largest animals on land., Question: What uses lungs for breathing air? (A) rocks (B) some mammals (C) Frogs (D) monotremes (E) humans (F) bacteria (G) elephants (H) oak trees

A: G
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Q: Fact1: a stem is used to store water by some plants, Fact2: Stems carry water and nutrients., Question: what do stems hold in plants? (A) oxygen (B) coded genes (C) nutrients (D) roots (E) support (F) acid (G) cellulose (H) fibrous

A:
C
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