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").

[Q]: We can calculate a speed if we know a number of (A) gallons (B) millimeters (C) dollars (D) pounds
[A]: B


[Q]: The way that the earth rotates and moves through space can effect how (A) the stars are viewed in the sky (B) how the moon phases (C) the heat of the sun (D) the plants we are able to eat
[A]: A


[Q]: The sun appears to move because of the rotation of a (A) star (B) moon (C) sun (D) planet
[A]:
D