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").

Input: Consider Input: 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

Output: A


Input: Consider Input: If an area is experiencing a drought, how can they overcome the lack of water? (A) a downpour (B) nothing (C) more drought (D) go to space

Output: A


Input: Consider Input: a windmill converts wind energy into (A) food (B) music (C) architecture (D) charged electrons


Output: D