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]: A tree must depend upon, for its support (A) A large fibrous mass (B) plants on the forest floor (C) the wooden welfare state (D) massive redwoods on the backs of turtles
[EX A]: A

[EX Q]: The last celestial body in our solar system without an orbit is (A) Saturn (B) Jupiter (C) a meteor (D) Uranus
[EX A]: C

[EX Q]: What primarily drives the hydrologic cycle to produce clouds? (A) a stalking butler who upon the finger rests (B) how soiled the clothing is (C) energy from a gun (D) energy from a central star
[EX A]:
D