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]: Why is it fall one month and spring another month? (A) the moon has different phases (B) the earth is revolving (C) solar flares appear in cycles (D) the earth is in a different place in its orbit
[A]: D


[Q]: If an entity in intergalactic space has thrust placed upon it, what is the expected result? (A) it will start moving with acceleration (B) it will make a loud noise (C) spontaneously teleport a light year away (D) remain in the same location
[A]: A


[Q]: The best time to have an all-day BBQ in the northern hemisphere is (A) December 21st (B) the winter solstice (C) end of June (D) sometime in January
[A]:
C