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: a rainbow is formed by refraction of light by separating light into all different colors, Fact2: Introduction A rainbow is often given as an everyday example of a spectrum., Question: A spectrum is formed by refraction of light by separating light into all different what? (A) categories (B) dyes (C) photons (D) pigments (E) light (F) colors (G) Energy. (H) energy
[EX A]: F

[EX Q]: Fact1: if gas is heated then that gas will expand, Fact2: An increase in temperature causes a gas to expand., Question: what affects a gas? (A) electricity (B) kinetic energy (C) temperature (D) Evaporation (E) salinity (F) Pollution (G) wind (H) magnetism
[EX A]: C

[EX Q]: Fact1: gases released during the use of fossil fuels causes global warming, Fact2: Global warming causes ice storms., Question: What causes ice storms? (A) colder weather (B) Fossil fuels (C) heat energy (D) a hydraulic system (E) Water expanding (F) salt and water. (G) erosion (H) less water
[EX A]:
B