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: All life relies on a relatively narrow range of pH, or acidity., Fact2: All organisms have life cycles., Question: what relies on a relatively narrow range of acidity? (A) organisms (B) carbon (C) animals (D) hydrogen (E) density (F) trees (G) Most plants (H) barnacles
[A]: A


[Q]: Fact1: tidal energy can be used to produce electricity, Fact2: Tidal energy schemes capture water at high tide and release it at low tide., Question: What can be produced by capturing water at high tide? (A) more fish (B) clearer water (C) mussels (D) warm water (E) an image (F) electricity (G) a delta (H) watershred
[A]: F


[Q]: Fact1: boiling is when liquids are heated above their boiling point, Fact2: On the Celsius scale, the freezing point of water is 0 degrees and the boiling point is 100 degrees., Question: What does water do when it's above 100 degrees? (A) Boils (B) moves (C) drink (D) state (E) Creates fog (F) Freezes (G) rain (H) Dissipates
[A]:
A