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: a flashlight converts chemical energy into light energy, Fact2: A joule is roughly the energy used by a flashlight turned on for one second., Question: What is converted in a flashlight? (A) hydrogen and oxygen (B) adding heat (C) an electron lens (D) hydrogen to water (E) chemicals to light (F) batteries into solar (G) heat into light (H) chlorofluorocarbons
[A]: E


[Q]: Fact1: All life relies on a relatively narrow range of pH, or acidity., Fact2: Human life is dependent life., Question: what relies on a relatively narrow range of acidity? (A) gravity (B) mammals (C) animals (D) trees (E) humans (F) density (G) volume (H) potatoes
[A]: E


[Q]: Fact1: a ship is used for moving people across bodies of water, Fact2: Hurricanes and treacherous shipping lanes frequently scattered treasures and crews across the reef., Question: moving people across bodies of waters requires avoiding what (A) energy barrier (B) erosion (C) storms (D) energy usage (E) salinity (F) hurricanes (G) friction (H) massive damage
[A]:
F