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]: Flora requires chlorophyll to (A) moonlight (B) undergo natural development (C) starlight (D) dairy
[EX A]: B

[EX Q]: Which is the least massive? (A) the Earth (B) the moon (C) the sun (D) the solar system
[EX A]: B

[EX Q]: Bears will always have longer life cycles than a (A) tortoises (B) whales (C) elephants (D) fox
[EX A]:
D