instruction:
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").
question:
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
answer:
E

question:
Fact1: a prism is used for refracting light, Fact2: Refraction is the bending of light cause by a speed change when it passes through different media., Question: What aspect of light changes when it passes from air into a prism? (A) power (B) seasons (C) speed (D) energy (E) a wave (F) Joules (G) heat (H) unique
answer:
C

question:
Fact1: Alternation of generations allows for both asexual and sexual reproduction., Fact2: Asexual reproduction gives offspring similar to parents., Question: Alternation of generations allows for different methods of producing: (A) genders (B) music (C) Chlorophyll (D) trees (E) Plants growth (F) offspring (G) rays or beams (H) infection
answer:
F