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]: Which of the following, when plugged into an outlet, completes a circuit? (A) gold (B) glass (C) plastic (D) rubber
[EX A]: A

[EX Q]: the earth revolves around the sun in (A) a day (B) a year (C) a week (D) a month
[EX A]: B

[EX Q]: What is most likely to occur before a rainstorm? (A) chlorine gas is released into the atmosphere (B) atmospheric water droplets collide (C) the electromagnetic field of the earth flips (D) rivers and lakes overflow
[EX A]:
B