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]: What is one thing cloud precipitation can be? (A) a thunder boom (B) a liquid fire (C) unfavorable weather outlook (D) none of these
[EX A]: C

[EX Q]: Dirt is moved from one part of a forest to another, and travels across a field to get there. The movement is (A) caused by gusts (B) due to clouds (C) made by trees (D) because of litter
[EX A]: A

[EX Q]: an example of an excellent earth mover is (A) cat (B) dog (C) annelids (D) fish
[EX A]:
C