In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

[EX Q]: Sunlight is a source of (A) wind energy (B) warmth (C) frigid temperatures (D) moonlight
[EX A]: B

[EX Q]: Which would create the most pollution (A) animals (B) rivers (C) smoke stacks (D) toxicity
[EX A]: C

[EX Q]: When light energy enters a prism it emits all the colors by (A) deflecting the light (B) reflecting the light (C) consuming the light (D) refracting the light
[EX A]:
D