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]: pushing against a rolling boulder will decrease its (A) size (B) height (C) impetus (D) ambitions
[EX A]: C

[EX Q]: Long decayed plant life would most likely fuel our (A) nuclear power plants (B) dogs (C) motorcycles (D) bodies
[EX A]:
C

