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").

[EX Q]: Fact1: Viruses cause many human diseases., Fact2: Some smallpox viruses are maintained in laboratories., Question: What can smallpox cause? (A) contamination (B) harmful substances (C) vaccines (D) photosynthesis (E) extinction (F) cellular respiration (G) Destroy crops (H) human disease
[EX A]: H

[EX Q]: Fact1: hurricanes convert heat energy into mechanical energy, Fact2: Some more recent hurricanes are Hurricane Andrew and Hurricane Fran., Question: What did Andrew and Fran have? (A) support (B) courtship (C) Hail (D) Snow (E) Energy (F) Shoes (G) children (H) food
[EX A]: E

[EX Q]: Fact1: Any surface that has not been sterilized is likely to be covered with bacteria., Fact2: Bacteria and viruses are microbes., Question: Microbes can live on any surface that has not been what? (A) a hosta (B) wildfire (C) moving plates (D) dying (E) damaging (F) polygenic (G) sterilized (H) water
[EX A]:
G