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 is likeliest to let a spark pass through? (A) a wool sweater (B) a t shirt (C) a rubber eraser (D) a soda can
[EX A]: D

[EX Q]: In order for trees to use sunlight they must (A) their roots (B) the light switch (C) CPR (D) respire
[EX A]: D

[EX Q]: Smoking can also effect what besides themselves (A) wizards (B) space (C) Jonny and Susie (D) unicorns
[EX A]:
C