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]: Drinking cola daily removes layers from the surface of (A) enamel on molars (B) spoons (C) porcelain (D) the coffee pot
[EX A]: A

[EX Q]: Where might you see light reflect? (A) rocks (B) bottled liquid (C) sand (D) wood
[EX A]: B

[EX Q]: This object in your pocket is the most likely to shock you (A) your phone (B) your credit card (C) your library card (D) your wallet
[EX A]:
A