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]: In a zoo, a polar bear exhibit will contain (A) salt (B) cacti (C) strong fans (D) sand
[EX A]: C

[EX Q]: Cows know there is salt in a mineral lick because (A) they have receptors on their tongue that allow them to experience spice and seasonings (B) a cow in the ocean told them it was there (C) it's on their side of the pasture's fence (D) they evolved where there were great redwood trees
[EX A]: A

[EX Q]: Which would rely on rainfall the most to sustain life? (A) a water feature (B) a pool (C) a water park (D) a lake
[EX A]:
D